diff options
| author | njn <njn@a5019735-40e9-0310-863c-91ae7b9d1cf9> | 2005-12-20 23:02:43 +0000 |
|---|---|---|
| committer | njn <njn@a5019735-40e9-0310-863c-91ae7b9d1cf9> | 2005-12-20 23:02:43 +0000 |
| commit | 99c8558095c0f07e6c7984aefcbf1768b800aad4 (patch) | |
| tree | c755559da01d09148ea95b5277af10c7605f3ac7 /perf | |
| parent | 1ade697d13061d1abf5d74dd243e478aedabcaa6 (diff) | |
Add a new performance benchmark: tinycc.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5394 a5019735-40e9-0310-863c-91ae7b9d1cf9
Diffstat (limited to 'perf')
| -rw-r--r-- | perf/Makefile.am | 13 | ||||
| -rw-r--r-- | perf/README | 7 | ||||
| -rw-r--r-- | perf/stdarg.h | 17 | ||||
| -rw-r--r-- | perf/stddef.h | 23 | ||||
| -rw-r--r-- | perf/tinycc.c | 21850 | ||||
| -rw-r--r-- | perf/tinycc.vgperf | 3 |
6 files changed, 21909 insertions, 4 deletions
diff --git a/perf/Makefile.am b/perf/Makefile.am index cd31e5f0..9b40b995 100644 --- a/perf/Makefile.am +++ b/perf/Makefile.am @@ -1,22 +1,27 @@ noinst_SCRIPTS = vg_perf +noinst_HEADERS = stdarg.h stddef.h + EXTRA_DIST = $(noinst_SCRIPTS) \ bigcode.vgperf \ bz2.vgperf \ fbench.vgperf \ ffbench.vgperf \ heap.vgperf \ - sarp.vgperf + sarp.vgperf \ + tinycc.vgperf check_PROGRAMS = \ - bigcode bz2 fbench ffbench heap sarp + bigcode bz2 fbench ffbench heap sarp tinycc AM_CFLAGS = $(WERROR) -Winline -Wall -Wshadow -g -O AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/include -I$(top_builddir)/include AM_CXXFLAGS = $(AM_CFLAGS) # Extra stuff -fbench_LDADD = -lm -ffbench_LDADD = -lm +fbench_LDADD = -lm +ffbench_LDADD = -lm +tinycc_CFLAGS = +tinycc_LDADD = -ldl diff --git a/perf/README b/perf/README index 0dd8c16c..c092105c 100644 --- a/perf/README +++ b/perf/README @@ -53,4 +53,11 @@ ffbench: - Weaknesses: Dominated by the inner loop, which is quite long and flatters Valgrind due to the small dispatcher overhead. +tinycc: +- Description: A very small and fast C compiler. A munged version of + Fabrice Bellard's TinyCC compiling itself multiple times. +- Strengths: A real program, lots of code (top 100 blocks only account for + 47% of execution), involves large irregular data structures + (presumably, since it's a compiler). +- Weaknesses None, really, it's a good benchmark. diff --git a/perf/stdarg.h b/perf/stdarg.h new file mode 100644 index 00000000..46993bdd --- /dev/null +++ b/perf/stdarg.h @@ -0,0 +1,17 @@ +// njn: used by tinycc + +#ifndef _STDARG_H +#define _STDARG_H + +typedef char *va_list; + +/* only correct for i386 */ +#define va_start(ap,last) ap = ((char *)&(last)) + ((sizeof(last)+3)&~3) +#define va_arg(ap,type) (ap += (sizeof(type)+3)&~3, *(type *)(ap - ((sizeof(type)+3)&~3))) +#define va_end(ap) + +/* fix a buggy dependency on GCC in libio.h */ +typedef va_list __gnuc_va_list; +#define _VA_LIST_DEFINED + +#endif diff --git a/perf/stddef.h b/perf/stddef.h new file mode 100644 index 00000000..16d09b98 --- /dev/null +++ b/perf/stddef.h @@ -0,0 +1,23 @@ +// njn: used by tinycc + +#ifndef _STDDEF_H +#define _STDDEF_H + +#define NULL ((void *)0) +typedef __SIZE_TYPE__ size_t; +typedef __WCHAR_TYPE__ wchar_t; +typedef __PTRDIFF_TYPE__ ptrdiff_t; +#define offsetof(type, field) ((size_t) &((type *)0)->field) + +/* need to do that because of glibc 2.1 bug (should have a way to test + presence of 'long long' without __GNUC__, or TCC should define + __GNUC__ ? */ +#if !defined(__int8_t_defined) && !defined(__dietlibc__) +#define __int8_t_defined +typedef char int8_t; +typedef short int int16_t; +typedef int int32_t; +typedef long long int int64_t; +#endif + +#endif diff --git a/perf/tinycc.c b/perf/tinycc.c new file mode 100644 index 00000000..1fb0a2ca --- /dev/null +++ b/perf/tinycc.c @@ -0,0 +1,21850 @@ +/* + * TCC - Tiny C Compiler + * + * Copyright (c) 2001-2004 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define _GNU_SOURCE + +// njn: inlined config.h +//#include "config.h" +//--------------------------------------------------------------------------- +/* Automatically generated by configure - do not modify */ +#define CONFIG_TCCDIR "tinycc-extras" +#define GCC_MAJOR 3 +#define HOST_I386 1 +#define TCC_VERSION "0.9.23" +//--------------------------------------------------------------------------- + +// njn: comment out CONFIG_TCCBOOT branch +//#ifdef CONFIG_TCCBOOT +// +//#include "tccboot.h" +//#define CONFIG_TCC_STATIC +// +//#else + +#include <stdlib.h> +#include <stdio.h> +#include <stdarg.h> +#include <string.h> +#include <errno.h> +#include <math.h> +#include <unistd.h> +#include <signal.h> +#include <fcntl.h> +#include <setjmp.h> +#include <time.h> +#ifdef WIN32 +#include <sys/timeb.h> +#endif +#ifndef WIN32 +#include <sys/time.h> +#include <sys/ucontext.h> +#endif + +//#endif /* !CONFIG_TCCBOOT */ + +// njn: inlined elf.h +//#include "elf.h" +//--------------------------------------------------------------------------- +/* This file defines standard ELF types, structures, and macros. + Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ian Lance Taylor <ian@cygnus.com>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _ELF_H +#define _ELF_H 1 + +#ifndef WIN32 +#include <inttypes.h> +#else +#ifndef __int8_t_defined +#define __int8_t_defined +typedef signed char int8_t; +typedef short int int16_t; +typedef int int32_t; +typedef long long int int64_t; +#endif + +typedef unsigned char uint8_t; +typedef unsigned short int uint16_t; +typedef unsigned int uint32_t; +typedef unsigned long long int uint64_t; +#endif + +/* Standard ELF types. */ + +/* Type for a 16-bit quantity. */ +typedef uint16_t Elf32_Half; +typedef uint16_t Elf64_Half; + +/* Types for signed and unsigned 32-bit quantities. */ +typedef uint32_t Elf32_Word; +typedef int32_t Elf32_Sword; +typedef uint32_t Elf64_Word; +typedef int32_t Elf64_Sword; + +/* Types for signed and unsigned 64-bit quantities. */ +typedef uint64_t Elf32_Xword; +typedef int64_t Elf32_Sxword; +typedef uint64_t Elf64_Xword; +typedef int64_t Elf64_Sxword; + +/* Type of addresses. */ +typedef uint32_t Elf32_Addr; +typedef uint64_t Elf64_Addr; + +/* Type of file offsets. */ +typedef uint32_t Elf32_Off; +typedef uint64_t Elf64_Off; + +/* Type for section indices, which are 16-bit quantities. */ +typedef uint16_t Elf32_Section; +typedef uint16_t Elf64_Section; + +/* Type of symbol indices. */ +typedef uint32_t Elf32_Symndx; +typedef uint64_t Elf64_Symndx; + + +/* The ELF file header. This appears at the start of every ELF file. */ + +#define EI_NIDENT (16) + +typedef struct +{ + unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ + Elf32_Half e_type; /* Object file type */ + Elf32_Half e_machine; /* Architecture */ + Elf32_Word e_version; /* Object file version */ + Elf32_Addr e_entry; /* Entry point virtual address */ + Elf32_Off e_phoff; /* Program header table file offset */ + Elf32_Off e_shoff; /* Section header table file offset */ + Elf32_Word e_flags; /* Processor-specific flags */ + Elf32_Half e_ehsize; /* ELF header size in bytes */ + Elf32_Half e_phentsize; /* Program header table entry size */ + Elf32_Half e_phnum; /* Program header table entry count */ + Elf32_Half e_shentsize; /* Section header table entry size */ + Elf32_Half e_shnum; /* Section header table entry count */ + Elf32_Half e_shstrndx; /* Section header string table index */ +} Elf32_Ehdr; + +typedef struct +{ + unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */ + Elf64_Half e_type; /* Object file type */ + Elf64_Half e_machine; /* Architecture */ + Elf64_Word e_version; /* Object file version */ + Elf64_Addr e_entry; /* Entry point virtual address */ + Elf64_Off e_phoff; /* Program header table file offset */ + Elf64_Off e_shoff; /* Section header table file offset */ + Elf64_Word e_flags; /* Processor-specific flags */ + Elf64_Half e_ehsize; /* ELF header size in bytes */ + Elf64_Half e_phentsize; /* Program header table entry size */ + Elf64_Half e_phnum; /* Program header table entry count */ + Elf64_Half e_shentsize; /* Section header table entry size */ + Elf64_Half e_shnum; /* Section header table entry count */ + Elf64_Half e_shstrndx; /* Section header string table index */ +} Elf64_Ehdr; + +/* Fields in the e_ident array. The EI_* macros are indices into the + array. The macros under each EI_* macro are the values the byte + may have. */ + +#define EI_MAG0 0 /* File identification byte 0 index */ +#define ELFMAG0 0x7f /* Magic number byte 0 */ + +#define EI_MAG1 1 /* File identification byte 1 index */ +#define ELFMAG1 'E' /* Magic number byte 1 */ + +#define EI_MAG2 2 /* File identification byte 2 index */ +#define ELFMAG2 'L' /* Magic number byte 2 */ + +#define EI_MAG3 3 /* File identification byte 3 index */ +#define ELFMAG3 'F' /* Magic number byte 3 */ + +/* Conglomeration of the identification bytes, for easy testing as a word. */ +#define ELFMAG "\177ELF" +#define SELFMAG 4 + +#define EI_CLASS 4 /* File class byte index */ +#define ELFCLASSNONE 0 /* Invalid class */ +#define ELFCLASS32 1 /* 32-bit objects */ +#define ELFCLASS64 2 /* 64-bit objects */ +#define ELFCLASSNUM 3 + +#define EI_DATA 5 /* Data encoding byte index */ +#define ELFDATANONE 0 /* Invalid data encoding */ +#define ELFDATA2LSB 1 /* 2's complement, little endian */ +#define ELFDATA2MSB 2 /* 2's complement, big endian */ +#define ELFDATANUM 3 + +#define EI_VERSION 6 /* File version byte index */ + /* Value must be EV_CURRENT */ + +#define EI_OSABI 7 /* OS ABI identification */ +#define ELFOSABI_SYSV 0 /* UNIX System V ABI */ +#define ELFOSABI_HPUX 1 /* HP-UX */ +#define ELFOSABI_FREEBSD 9 /* Free BSD */ +#define ELFOSABI_ARM 97 /* ARM */ +#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ + +#define EI_ABIVERSION 8 /* ABI version */ + +#define EI_PAD 9 /* Byte index of padding bytes */ + +/* Legal values for e_type (object file type). */ + +#define ET_NONE 0 /* No file type */ +#define ET_REL 1 /* Relocatable file */ +#define ET_EXEC 2 /* Executable file */ +#define ET_DYN 3 /* Shared object file */ +#define ET_CORE 4 /* Core file */ +#define ET_NUM 5 /* Number of defined types */ +#define ET_LOPROC 0xff00 /* Processor-specific */ +#define ET_HIPROC 0xffff /* Processor-specific */ + +/* Legal values for e_machine (architecture). */ + +#define EM_NONE 0 /* No machine */ +#define EM_M32 1 /* AT&T WE 32100 */ +#define EM_SPARC 2 /* SUN SPARC */ +#define EM_386 3 /* Intel 80386 */ +#define EM_68K 4 /* Motorola m68k family */ +#define EM_88K 5 /* Motorola m88k family */ +#define EM_486 6 /* Intel 80486 */ +#define EM_860 7 /* Intel 80860 */ +#define EM_MIPS 8 /* MIPS R3000 big-endian */ +#define EM_S370 9 /* Amdahl */ +#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */ +#define EM_RS6000 11 /* RS6000 */ + +#define EM_PARISC 15 /* HPPA */ +#define EM_nCUBE 16 /* nCUBE */ +#define EM_VPP500 17 /* Fujitsu VPP500 */ +#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ +#define EM_960 19 /* Intel 80960 */ +#define EM_PPC 20 /* PowerPC */ + +#define EM_V800 36 /* NEC V800 series */ +#define EM_FR20 37 /* Fujitsu FR20 */ +#define EM_RH32 38 /* TRW RH32 */ +#define EM_MMA 39 /* Fujitsu MMA */ +#define EM_ARM 40 /* ARM */ +#define EM_FAKE_ALPHA 41 /* Digital Alpha */ +#define EM_SH 42 /* Hitachi SH */ +#define EM_SPARCV9 43 /* SPARC v9 64-bit */ +#define EM_TRICORE 44 /* Siemens Tricore */ +#define EM_ARC 45 /* Argonaut RISC Core */ +#define EM_H8_300 46 /* Hitachi H8/300 */ +#define EM_H8_300H 47 /* Hitachi H8/300H */ +#define EM_H8S 48 /* Hitachi H8S */ +#define EM_H8_500 49 /* Hitachi H8/500 */ +#define EM_IA_64 50 /* Intel Merced */ +#define EM_MIPS_X 51 /* Stanford MIPS-X */ +#define EM_COLDFIRE 52 /* Motorola Coldfire */ +#define EM_68HC12 53 /* Motorola M68HC12 */ +#define EM_NUM 54 + +/* If it is necessary to assign new unofficial EM_* values, please + pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the + chances of collision with official or non-GNU unofficial values. */ + +#define EM_ALPHA 0x9026 +#define EM_C60 0x9c60 + +/* Legal values for e_version (version). */ + +#define EV_NONE 0 /* Invalid ELF version */ +#define EV_CURRENT 1 /* Current version */ +#define EV_NUM 2 + +/* Section header. */ + +typedef struct +{ + Elf32_Word sh_name; /* Section name (string tbl index) */ + Elf32_Word sh_type; /* Section type */ + Elf32_Word sh_flags; /* Section flags */ + Elf32_Addr sh_addr; /* Section virtual addr at execution */ + Elf32_Off sh_offset; /* Section file offset */ + Elf32_Word sh_size; /* Section size in bytes */ + Elf32_Word sh_link; /* Link to another section */ + Elf32_Word sh_info; /* Additional section information */ + Elf32_Word sh_addralign; /* Section alignment */ + Elf32_Word sh_entsize; /* Entry size if section holds table */ +} Elf32_Shdr; + +typedef struct +{ + Elf64_Word sh_name; /* Section name (string tbl index) */ + Elf64_Word sh_type; /* Section type */ + Elf64_Xword sh_flags; /* Section flags */ + Elf64_Addr sh_addr; /* Section virtual addr at execution */ + Elf64_Off sh_offset; /* Section file offset */ + Elf64_Xword sh_size; /* Section size in bytes */ + Elf64_Word sh_link; /* Link to another section */ + Elf64_Word sh_info; /* Additional section information */ + Elf64_Xword sh_addralign; /* Section alignment */ + Elf64_Xword sh_entsize; /* Entry size if section holds table */ +} Elf64_Shdr; + +/* Special section indices. */ + +#define SHN_UNDEF 0 /* Undefined section */ +#define SHN_LORESERVE 0xff00 /* Start of reserved indices */ +#define SHN_LOPROC 0xff00 /* Start of processor-specific */ +#define SHN_HIPROC 0xff1f /* End of processor-specific */ +#define SHN_ABS 0xfff1 /* Associated symbol is absolute */ +#define SHN_COMMON 0xfff2 /* Associated symbol is common */ +#define SHN_HIRESERVE 0xffff /* End of reserved indices */ + +/* Legal values for sh_type (section type). */ + +#define SHT_NULL 0 /* Section header table entry unused */ +#define SHT_PROGBITS 1 /* Program data */ +#define SHT_SYMTAB 2 /* Symbol table */ +#define SHT_STRTAB 3 /* String table */ +#define SHT_RELA 4 /* Relocation entries with addends */ +#define SHT_HASH 5 /* Symbol hash table */ +#define SHT_DYNAMIC 6 /* Dynamic linking information */ +#define SHT_NOTE 7 /* Notes */ +#define SHT_NOBITS 8 /* Program space with no data (bss) */ +#define SHT_REL 9 /* Relocation entries, no addends */ +#define SHT_SHLIB 10 /* Reserved */ +#define SHT_DYNSYM 11 /* Dynamic linker symbol table */ +#define SHT_NUM 12 /* Number of defined types. */ +#define SHT_LOOS 0x60000000 /* Start OS-specific */ +#define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */ +#define SHT_SUNW_COMDAT 0x6ffffffb +#define SHT_SUNW_syminfo 0x6ffffffc +#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */ +#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */ +#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */ +#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */ +#define SHT_HIOS 0x6fffffff /* End OS-specific type */ +#define SHT_LOPROC 0x70000000 /* Start of processor-specific */ +#define SHT_HIPROC 0x7fffffff /* End of processor-specific */ +#define SHT_LOUSER 0x80000000 /* Start of application-specific */ +#define SHT_HIUSER 0x8fffffff /* End of application-specific */ + +/* Legal values for sh_flags (section flags). */ + +#define SHF_WRITE (1 << 0) /* Writable */ +#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */ +#define SHF_EXECINSTR (1 << 2) /* Executable */ +#define SHF_MASKPROC 0xf0000000 /* Processor-specific */ + +/* Symbol table entry. */ + +typedef struct +{ + Elf32_Word st_name; /* Symbol name (string tbl index) */ + Elf32_Addr st_value; /* Symbol value */ + Elf32_Word st_size; /* Symbol size */ + unsigned char st_info; /* Symbol type and binding */ + unsigned char st_other; /* No defined meaning, 0 */ + Elf32_Section st_shndx; /* Section index */ +} Elf32_Sym; + +typedef struct +{ + Elf64_Word st_name; /* Symbol name (string tbl index) */ + unsigned char st_info; /* Symbol type and binding */ + unsigned char st_other; /* No defined meaning, 0 */ + Elf64_Section st_shndx; /* Section index */ + Elf64_Addr st_value; /* Symbol value */ + Elf64_Xword st_size; /* Symbol size */ +} Elf64_Sym; + +/* The syminfo section if available contains additional information about + every dynamic symbol. */ + +typedef struct +{ + Elf32_Half si_boundto; /* Direct bindings, symbol bound to */ + Elf32_Half si_flags; /* Per symbol flags */ +} Elf32_Syminfo; + +typedef struct +{ + Elf64_Half si_boundto; /* Direct bindings, symbol bound to */ + Elf64_Half si_flags; /* Per symbol flags */ +} Elf64_Syminfo; + +/* Possible values for si_boundto. */ +#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */ +#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */ +#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */ + +/* Possible bitmasks for si_flags. */ +#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */ +#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */ +#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */ +#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy + loaded */ +/* Syminfo version values. */ +#define SYMINFO_NONE 0 +#define SYMINFO_CURRENT 1 +#define SYMINFO_NUM 2 + + +/* Special section index. */ + +#define SHN_UNDEF 0 /* No section, undefined symbol. */ + +/* How to extract and insert information held in the st_info field. */ + +#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4) +#define ELF32_ST_TYPE(val) ((val) & 0xf) +#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf)) + +/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */ +#define ELF64_ST_BIND(val) ELF32_ST_BIND (val) +#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val) +#define ELF64_ST_INFO(bind, type) ELF32_ST_INFO ((bind), (type)) + +/* Legal values for ST_BIND subfield of st_info (symbol binding). */ + +#define STB_LOCAL 0 /* Local symbol */ +#define STB_GLOBAL 1 /* Global symbol */ +#define STB_WEAK 2 /* Weak symbol */ +#define STB_NUM 3 /* Number of defined types. */ +#define STB_LOOS 10 /* Start of OS-specific */ +#define STB_HIOS 12 /* End of OS-specific */ +#define STB_LOPROC 13 /* Start of processor-specific */ +#define STB_HIPROC 15 /* End of processor-specific */ + +/* Legal values for ST_TYPE subfield of st_info (symbol type). */ + +#define STT_NOTYPE 0 /* Symbol type is unspecified */ +#define STT_OBJECT 1 /* Symbol is a data object */ +#define STT_FUNC 2 /* Symbol is a code object */ +#define STT_SECTION 3 /* Symbol associated with a section */ +#define STT_FILE 4 /* Symbol's name is file name */ +#define STT_NUM 5 /* Number of defined types. */ +#define STT_LOOS 11 /* Start of OS-specific */ +#define STT_HIOS 12 /* End of OS-specific */ +#define STT_LOPROC 13 /* Start of processor-specific */ +#define STT_HIPROC 15 /* End of processor-specific */ + + +/* Symbol table indices are found in the hash buckets and chain table + of a symbol hash table section. This special index value indicates + the end of a chain, meaning no further symbols are found in that bucket. */ + +#define STN_UNDEF 0 /* End of a chain. */ + + +/* How to extract and insert information held in the st_other field. */ + +#define ELF32_ST_VISIBILITY(o) ((o) & 0x03) + +/* For ELF64 the definitions are the same. */ +#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o) + +/* Symbol visibility specification encoded in the st_other field. */ +#define STV_DEFAULT 0 /* Default symbol visibility rules */ +#define STV_INTERNAL 1 /* Processor specific hidden class */ +#define STV_HIDDEN 2 /* Sym unavailable in other modules */ +#define STV_PROTECTED 3 /* Not preemptible, not exported */ + + +/* Relocation table entry without addend (in section of type SHT_REL). */ + +typedef struct +{ + Elf32_Addr r_offset; /* Address */ + Elf32_Word r_info; /* Relocation type and symbol index */ +} Elf32_Rel; + +/* I have seen two different definitions of the Elf64_Rel and + Elf64_Rela structures, so we'll leave them out until Novell (or + whoever) gets their act together. */ +/* The following, at least, is used on Sparc v9, MIPS, and Alpha. */ + +typedef struct +{ + Elf64_Addr r_offset; /* Address */ + Elf64_Xword r_info; /* Relocation type and symbol index */ +} Elf64_Rel; + +/* Relocation table entry with addend (in section of type SHT_RELA). */ + +typedef struct +{ + Elf32_Addr r_offset; /* Address */ + Elf32_Word r_info; /* Relocation type and symbol index */ + Elf32_Sword r_addend; /* Addend */ +} Elf32_Rela; + +typedef struct +{ + Elf64_Addr r_offset; /* Address */ + Elf64_Xword r_info; /* Relocation type and symbol index */ + Elf64_Sxword r_addend; /* Addend */ +} Elf64_Rela; + +/* How to extract and insert information held in the r_info field. */ + +#define ELF32_R_SYM(val) ((val) >> 8) +#define ELF32_R_TYPE(val) ((val) & 0xff) +#define ELF32_R_INFO(sym, type) (((sym) << 8) + ((type) & 0xff)) + +#define ELF64_R_SYM(i) ((i) >> 32) +#define ELF64_R_TYPE(i) ((i) & 0xffffffff) +#define ELF64_R_INFO(sym,type) (((sym) << 32) + (type)) + +/* Program segment header. */ + +typedef struct +{ + Elf32_Word p_type; /* Segment type */ + Elf32_Off p_offset; /* Segment file offset */ + Elf32_Addr p_vaddr; /* Segment virtual address */ + Elf32_Addr p_paddr; /* Segment physical address */ + Elf32_Word p_filesz; /* Segment size in file */ + Elf32_Word p_memsz; /* Segment size in memory */ + Elf32_Word p_flags; /* Segment flags */ + Elf32_Word p_align; /* Segment alignment */ +} Elf32_Phdr; + +typedef struct +{ + Elf64_Word p_type; /* Segment type */ + Elf64_Word p_flags; /* Segment flags */ + Elf64_Off p_offset; /* Segment file offset */ + Elf64_Addr p_vaddr; /* Segment virtual address */ + Elf64_Addr p_paddr; /* Segment physical address */ + Elf64_Xword p_filesz; /* Segment size in file */ + Elf64_Xword p_memsz; /* Segment size in memory */ + Elf64_Xword p_align; /* Segment alignment */ +} Elf64_Phdr; + +/* Legal values for p_type (segment type). */ + +#define PT_NULL 0 /* Program header table entry unused */ +#define PT_LOAD 1 /* Loadable program segment */ +#define PT_DYNAMIC 2 /* Dynamic linking information */ +#define PT_INTERP 3 /* Program interpreter */ +#define PT_NOTE 4 /* Auxiliary information */ +#define PT_SHLIB 5 /* Reserved */ +#define PT_PHDR 6 /* Entry for header table itself */ +#define PT_NUM 7 /* Number of defined types. */ +#define PT_LOOS 0x60000000 /* Start of OS-specific */ +#define PT_HIOS 0x6fffffff /* End of OS-specific */ +#define PT_LOPROC 0x70000000 /* Start of processor-specific */ +#define PT_HIPROC 0x7fffffff /* End of processor-specific */ + +/* Legal values for p_flags (segment flags). */ + +#define PF_X (1 << 0) /* Segment is executable */ +#define PF_W (1 << 1) /* Segment is writable */ +#define PF_R (1 << 2) /* Segment is readable */ +#define PF_MASKPROC 0xf0000000 /* Processor-specific */ + +/* Legal values for note segment descriptor types for core files. */ + +#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */ +#define NT_FPREGSET 2 /* Contains copy of fpregset struct */ +#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */ +#define NT_PRXREG 4 /* Contains copy of prxregset struct */ +#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */ +#define NT_AUXV 6 /* Contains copy of auxv array */ +#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */ +#define NT_PSTATUS 10 /* Contains copy of pstatus struct */ +#define NT_PSINFO 13 /* Contains copy of psinfo struct */ +#define NT_PRCRED 14 /* Contains copy of prcred struct */ +#define NT_UTSNAME 15 /* Contains copy of utsname struct */ +#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */ +#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */ + +/* Legal values for the note segment descriptor types for object files. */ + +#define NT_VERSION 1 /* Contains a version string. */ + + +/* Dynamic section entry. */ + +typedef struct +{ + Elf32_Sword d_tag; /* Dynamic entry type */ + union + { + Elf32_Word d_val; /* Integer value */ + Elf32_Addr d_ptr; /* Address value */ + } d_un; +} Elf32_Dyn; + +typedef struct +{ + Elf64_Sxword d_tag; /* Dynamic entry type */ + union + { + Elf64_Xword d_val; /* Integer value */ + Elf64_Addr d_ptr; /* Address value */ + } d_un; +} Elf64_Dyn; + +/* Legal values for d_tag (dynamic entry type). */ + +#define DT_NULL 0 /* Marks end of dynamic section */ +#define DT_NEEDED 1 /* Name of needed library */ +#define DT_PLTRELSZ 2 /* Size in bytes of PLT relocs */ +#define DT_PLTGOT 3 /* Processor defined value */ +#define DT_HASH 4 /* Address of symbol hash table */ +#define DT_STRTAB 5 /* Address of string table */ +#define DT_SYMTAB 6 /* Address of symbol table */ +#define DT_RELA 7 /* Address of Rela relocs */ +#define DT_RELASZ 8 /* Total size of Rela relocs */ +#define DT_RELAENT 9 /* Size of one Rela reloc */ +#define DT_STRSZ 10 /* Size of string table */ +#define DT_SYMENT 11 /* Size of one symbol table entry */ +#define DT_INIT 12 /* Address of init function */ +#define DT_FINI 13 /* Address of termination function */ +#define DT_SONAME 14 /* Name of shared object */ +#define DT_RPATH 15 /* Library search path */ +#define DT_SYMBOLIC 16 /* Start symbol search here */ +#define DT_REL 17 /* Address of Rel relocs */ +#define DT_RELSZ 18 /* Total size of Rel relocs */ +#define DT_RELENT 19 /* Size of one Rel reloc */ +#define DT_PLTREL 20 /* Type of reloc in PLT */ +#define DT_DEBUG 21 /* For debugging; unspecified */ +#define DT_TEXTREL 22 /* Reloc might modify .text */ +#define DT_JMPREL 23 /* Address of PLT relocs */ +#define DT_BIND_NOW 24 /* Process relocations of object */ +#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */ +#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */ +#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */ +#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */ +#define DT_NUM 29 /* Number used */ +#define DT_LOOS 0x60000000 /* Start of OS-specific */ +#define DT_HIOS 0x6fffffff /* End of OS-specific */ +#define DT_LOPROC 0x70000000 /* Start of processor-specific */ +#define DT_HIPROC 0x7fffffff /* End of processor-specific */ +#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */ + +/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the + Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's + approach. */ +#define DT_VALRNGLO 0x6ffffd00 +#define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting + the following DT_* entry. */ +#define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */ +#define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */ +#define DT_VALRNGHI 0x6ffffdff + +/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the + Dyn.d_un.d_ptr field of the Elf*_Dyn structure. + + If any adjustment is made to the ELF object after it has been + built these entries will need to be adjusted. */ +#define DT_ADDRRNGLO 0x6ffffe00 +#define DT_SYMINFO 0x6ffffeff /* syminfo table */ +#define DT_ADDRRNGHI 0x6ffffeff + +/* The versioning entry types. The next are defined as part of the + GNU extension. */ +#define DT_VERSYM 0x6ffffff0 + +/* These were chosen by Sun. */ +#define DT_FLAGS_1 0x6ffffffb /* State flags, see DF_1_* below. */ +#define DT_VERDEF 0x6ffffffc /* Address of version definition + table */ +#define DT_VERDEFNUM 0x6ffffffd /* Number of version definitions */ +#define DT_VERNEED 0x6ffffffe /* Address of table with needed + versions */ +#define DT_VERNEEDNUM 0x6fffffff /* Number of needed versions */ +#define DT_VERSIONTAGIDX(tag) (DT_VERNEEDNUM - (tag)) /* Reverse order! */ +#define DT_VERSIONTAGNUM 16 + +/* Sun added these machine-independent extensions in the "processor-specific" + range. Be compatible. */ +#define DT_AUXILIARY 0x7ffffffd /* Shared object to load before self */ +#define DT_FILTER 0x7fffffff /* Shared object to get values from */ +#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1) +#define DT_EXTRANUM 3 + +/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 + entry in the dynamic section. */ +#define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */ +#define DF_1_GLOBAL 0x00000002 /* Set RTLD_GLOBAL for this object. */ +#define DF_1_GROUP 0x00000004 /* Set RTLD_GROUP for this object. */ +#define DF_1_NODELETE 0x00000008 /* Set RTLD_NODELETE for this object.*/ +#define DF_1_LOADFLTR 0x00000010 /* Trigger filtee loading at runtime.*/ +#define DF_1_INITFIRST 0x00000020 /* Set RTLD_INITFIRST for this object*/ +#define DF_1_NOOPEN 0x00000040 /* Set RTLD_NOOPEN for this object. */ + +/* Version definition sections. */ + +typedef struct +{ + Elf32_Half vd_version; /* Version revision */ + Elf32_Half vd_flags; /* Version information */ + Elf32_Half vd_ndx; /* Version Index */ + Elf32_Half vd_cnt; /* Number of associated aux entries */ + Elf32_Word vd_hash; /* Version name hash value */ + Elf32_Word vd_aux; /* Offset in bytes to verdaux array */ + Elf32_Word vd_next; /* Offset in bytes to next verdef + entry */ +} Elf32_Verdef; + +typedef struct +{ + Elf64_Half vd_version; /* Version revision */ + Elf64_Half vd_flags; /* Version information */ + Elf64_Half vd_ndx; /* Version Index */ + Elf64_Half vd_cnt; /* Number of associated aux entries */ + Elf64_Word vd_hash; /* Version name hash value */ + Elf64_Word vd_aux; /* Offset in bytes to verdaux array */ + Elf64_Word vd_next; /* Offset in bytes to next verdef + entry */ +} Elf64_Verdef; + + +/* Legal values for vd_version (version revision). */ +#define VER_DEF_NONE 0 /* No version */ +#define VER_DEF_CURRENT 1 /* Current version */ +#define VER_DEF_NUM 2 /* Given version number */ + +/* Legal values for vd_flags (version information flags). */ +#define VER_FLG_BASE 0x1 /* Version definition of file itself */ +#define VER_FLG_WEAK 0x2 /* Weak version identifier */ + +/* Auxialiary version information. */ + +typedef struct +{ + Elf32_Word vda_name; /* Version or dependency names */ + Elf32_Word vda_next; /* Offset in bytes to next verdaux + entry */ +} Elf32_Verdaux; + +typedef struct +{ + Elf64_Word vda_name; /* Version or dependency names */ + Elf64_Word vda_next; /* Offset in bytes to next verdaux + entry */ +} Elf64_Verdaux; + + +/* Version dependency section. */ + +typedef struct +{ + Elf32_Half vn_version; /* Version of structure */ + Elf32_Half vn_cnt; /* Number of associated aux entries */ + Elf32_Word vn_file; /* Offset of filename for this + dependency */ + Elf32_Word vn_aux; /* Offset in bytes to vernaux array */ + Elf32_Word vn_next; /* Offset in bytes to next verneed + entry */ +} Elf32_Verneed; + +typedef struct +{ + Elf64_Half vn_version; /* Version of structure */ + Elf64_Half vn_cnt; /* Number of associated aux entries */ + Elf64_Word vn_file; /* Offset of filename for this + dependency */ + Elf64_Word vn_aux; /* Offset in bytes to vernaux array */ + Elf64_Word vn_next; /* Offset in bytes to next verneed + entry */ +} Elf64_Verneed; + + +/* Legal values for vn_version (version revision). */ +#define VER_NEED_NONE 0 /* No version */ +#define VER_NEED_CURRENT 1 /* Current version */ +#define VER_NEED_NUM 2 /* Given version number */ + +/* Auxiliary needed version information. */ + +typedef struct +{ + Elf32_Word vna_hash; /* Hash value of dependency name */ + Elf32_Half vna_flags; /* Dependency specific information */ + Elf32_Half vna_other; /* Unused */ + Elf32_Word vna_name; /* Dependency name string offset */ + Elf32_Word vna_next; /* Offset in bytes to next vernaux + entry */ +} Elf32_Vernaux; + +typedef struct +{ + Elf64_Word vna_hash; /* Hash value of dependency name */ + Elf64_Half vna_flags; /* Dependency specific information */ + Elf64_Half vna_other; /* Unused */ + Elf64_Word vna_name; /* Dependency name string offset */ + Elf64_Word vna_next; /* Offset in bytes to next vernaux + entry */ +} Elf64_Vernaux; + + +/* Legal values for vna_flags. */ +#define VER_FLG_WEAK 0x2 /* Weak version identifier */ + + +/* Auxiliary vector. */ + +/* This vector is normally only used by the program interpreter. The + usual definition in an ABI supplement uses the name auxv_t. The + vector is not usually defined in a standard <elf.h> file, but it + can't hurt. We rename it to avoid conflicts. The sizes of these + types are an arrangement between the exec server and the program + interpreter, so we don't fully specify them here. */ + +typedef struct +{ + int a_type; /* Entry type */ + union + { + long int a_val; /* Integer value */ + void *a_ptr; /* Pointer value */ + void (*a_fcn) (void); /* Function pointer value */ + } a_un; +} Elf32_auxv_t; + +typedef struct +{ + long int a_type; /* Entry type */ + union + { + long int a_val; /* Integer value */ + void *a_ptr; /* Pointer value */ + void (*a_fcn) (void); /* Function pointer value */ + } a_un; +} Elf64_auxv_t; + +/* Legal values for a_type (entry type). */ + +#define AT_NULL 0 /* End of vector */ +#define AT_IGNORE 1 /* Entry should be ignored */ +#define AT_EXECFD 2 /* File descriptor of program */ +#define AT_PHDR 3 /* Program headers for program */ +#define AT_PHENT 4 /* Size of program header entry */ +#define AT_PHNUM 5 /* Number of program headers */ +#define AT_PAGESZ 6 /* System page size */ +#define AT_BASE 7 /* Base address of interpreter */ +#define AT_FLAGS 8 /* Flags */ +#define AT_ENTRY 9 /* Entry point of program */ +#define AT_NOTELF 10 /* Program is not ELF */ +#define AT_UID 11 /* Real uid */ +#define AT_EUID 12 /* Effective uid */ +#define AT_GID 13 /* Real gid */ +#define AT_EGID 14 /* Effective gid */ + +/* Some more special a_type values describing the hardware. */ +#define AT_PLATFORM 15 /* String identifying platform. */ +#define AT_HWCAP 16 /* Machine dependent hints about + processor capabilities. */ + +/* This entry gives some information about the FPU initialization + performed by the kernel. */ +#define AT_FPUCW 17 /* Used FPU control word. */ + + +/* Note section contents. Each entry in the note section begins with + a header of a fixed form. */ + +typedef struct +{ + Elf32_Word n_namesz; /* Length of the note's name. */ + Elf32_Word n_descsz; /* Length of the note's descriptor. */ + Elf32_Word n_type; /* Type of the note. */ +} Elf32_Nhdr; + +typedef struct +{ + Elf64_Word n_namesz; /* Length of the note's name. */ + Elf64_Word n_descsz; /* Length of the note's descriptor. */ + Elf64_Word n_type; /* Type of the note. */ +} Elf64_Nhdr; + +/* Known names of notes. */ + +/* Solaris entries in the note section have this name. */ +#define ELF_NOTE_SOLARIS "SUNW Solaris" + +/* Note entries for GNU systems have this name. */ +#define ELF_NOTE_GNU "GNU" + + +/* Defined types of notes for Solaris. */ + +/* Value of descriptor (one word) is desired pagesize for the binary. */ +#define ELF_NOTE_PAGESIZE_HINT 1 + + +/* Defined note types for GNU systems. */ + +/* ABI information. The descriptor consists of words: + word 0: OS descriptor + word 1: major version of the ABI + word 2: minor version of the ABI + word 3: subminor version of the ABI +*/ +#define ELF_NOTE_ABI 1 + +/* Known OSes. These value can appear in word 0 of an ELF_NOTE_ABI + note section entry. */ +#define ELF_NOTE_OS_LINUX 0 +#define ELF_NOTE_OS_GNU 1 +#define ELF_NOTE_OS_SOLARIS2 2 + + +/* Motorola 68k specific definitions. */ + +/* m68k relocs. */ + +#define R_68K_NONE 0 /* No reloc */ +#define R_68K_32 1 /* Direct 32 bit */ +#define R_68K_16 2 /* Direct 16 bit */ +#define R_68K_8 3 /* Direct 8 bit */ +#define R_68K_PC32 4 /* PC relative 32 bit */ +#define R_68K_PC16 5 /* PC relative 16 bit */ +#define R_68K_PC8 6 /* PC relative 8 bit */ +#define R_68K_GOT32 7 /* 32 bit PC relative GOT entry */ +#define R_68K_GOT16 8 /* 16 bit PC relative GOT entry */ +#define R_68K_GOT8 9 /* 8 bit PC relative GOT entry */ +#define R_68K_GOT32O 10 /* 32 bit GOT offset */ +#define R_68K_GOT16O 11 /* 16 bit GOT offset */ +#define R_68K_GOT8O 12 /* 8 bit GOT offset */ +#define R_68K_PLT32 13 /* 32 bit PC relative PLT address */ +#define R_68K_PLT16 14 /* 16 bit PC relative PLT address */ +#define R_68K_PLT8 15 /* 8 bit PC relative PLT address */ +#define R_68K_PLT32O 16 /* 32 bit PLT offset */ +#define R_68K_PLT16O 17 /* 16 bit PLT offset */ +#define R_68K_PLT8O 18 /* 8 bit PLT offset */ +#define R_68K_COPY 19 /* Copy symbol at runtime */ +#define R_68K_GLOB_DAT 20 /* Create GOT entry */ +#define R_68K_JMP_SLOT 21 /* Create PLT entry */ +#define R_68K_RELATIVE 22 /* Adjust by program base */ +/* Keep this the last entry. */ +#define R_68K_NUM 23 + +/* Intel 80386 specific definitions. */ + +/* i386 relocs. */ + +#define R_386_NONE 0 /* No reloc */ +#define R_386_32 1 /* Direct 32 bit */ +#define R_386_PC32 2 /* PC relative 32 bit */ +#define R_386_GOT32 3 /* 32 bit GOT entry */ +#define R_386_PLT32 4 /* 32 bit PLT address */ +#define R_386_COPY 5 /* Copy symbol at runtime */ +#define R_386_GLOB_DAT 6 /* Create GOT entry */ +#define R_386_JMP_SLOT 7 /* Create PLT entry */ +#define R_386_RELATIVE 8 /* Adjust by program base */ +#define R_386_GOTOFF 9 /* 32 bit offset to GOT */ +#define R_386_GOTPC 10 /* 32 bit PC relative offset to GOT */ +/* Keep this the last entry. */ +#define R_386_NUM 11 + +/* SUN SPARC specific definitions. */ + +/* Values for Elf64_Ehdr.e_flags. */ + +#define EF_SPARCV9_MM 3 +#define EF_SPARCV9_TSO 0 +#define EF_SPARCV9_PSO 1 +#define EF_SPARCV9_RMO 2 +#define EF_SPARC_EXT_MASK 0xFFFF00 +#define EF_SPARC_SUN_US1 0x000200 +#define EF_SPARC_HAL_R1 0x000400 + +/* SPARC relocs. */ + +#define R_SPARC_NONE 0 /* No reloc */ +#define R_SPARC_8 1 /* Direct 8 bit */ +#define R_SPARC_16 2 /* Direct 16 bit */ +#define R_SPARC_32 3 /* Direct 32 bit */ +#define R_SPARC_DISP8 4 /* PC relative 8 bit */ +#define R_SPARC_DISP16 5 /* PC relative 16 bit */ +#define R_SPARC_DISP32 6 /* PC relative 32 bit */ +#define R_SPARC_WDISP30 7 /* PC relative 30 bit shifted */ +#define R_SPARC_WDISP22 8 /* PC relative 22 bit shifted */ +#define R_SPARC_HI22 9 /* High 22 bit */ +#define R_SPARC_22 10 /* Direct 22 bit */ +#define R_SPARC_13 11 /* Direct 13 bit */ +#define R_SPARC_LO10 12 /* Truncated 10 bit */ +#define R_SPARC_GOT10 13 /* Truncated 10 bit GOT entry */ +#define R_SPARC_GOT13 14 /* 13 bit GOT entry */ +#define R_SPARC_GOT22 15 /* 22 bit GOT entry shifted */ +#define R_SPARC_PC10 16 /* PC relative 10 bit truncated */ +#define R_SPARC_PC22 17 /* PC relative 22 bit shifted */ +#define R_SPARC_WPLT30 18 /* 30 bit PC relative PLT address */ +#define R_SPARC_COPY 19 /* Copy symbol at runtime */ +#define R_SPARC_GLOB_DAT 20 /* Create GOT entry */ +#define R_SPARC_JMP_SLOT 21 /* Create PLT entry */ +#define R_SPARC_RELATIVE 22 /* Adjust by program base */ +#define R_SPARC_UA32 23 /* Direct 32 bit unaligned */ + +/* Additional Sparc64 relocs. */ + +#define R_SPARC_PLT32 24 /* Direct 32 bit ref to PLT entry */ +#define R_SPARC_HIPLT22 25 /* High 22 bit PLT entry */ +#define R_SPARC_LOPLT10 26 /* Truncated 10 bit PLT entry */ +#define R_SPARC_PCPLT32 27 /* PC rel 32 bit ref to PLT entry */ +#define R_SPARC_PCPLT22 28 /* PC rel high 22 bit PLT entry */ +#define R_SPARC_PCPLT10 29 /* PC rel trunc 10 bit PLT entry */ +#define R_SPARC_10 30 /* Direct 10 bit */ +#define R_SPARC_11 31 /* Direct 11 bit */ +#define R_SPARC_64 32 /* Direct 64 bit */ +#define R_SPARC_OLO10 33 /* ?? */ +#define R_SPARC_HH22 34 /* Top 22 bits of direct 64 bit */ +#define R_SPARC_HM10 35 /* High middle 10 bits of ... */ +#define R_SPARC_LM22 36 /* Low middle 22 bits of ... */ +#define R_SPARC_PC_HH22 37 /* Top 22 bits of pc rel 64 bit */ +#define R_SPARC_PC_HM10 38 /* High middle 10 bit of ... */ +#define R_SPARC_PC_LM22 39 /* Low miggle 22 bits of ... */ +#define R_SPARC_WDISP16 40 /* PC relative 16 bit shifted */ +#define R_SPARC_WDISP19 41 /* PC relative 19 bit shifted */ +#define R_SPARC_7 43 /* Direct 7 bit */ +#define R_SPARC_5 44 /* Direct 5 bit */ +#define R_SPARC_6 45 /* Direct 6 bit */ +#define R_SPARC_DISP64 46 /* PC relative 64 bit */ +#define R_SPARC_PLT64 47 /* Direct 64 bit ref to PLT entry */ +#define R_SPARC_HIX22 48 /* High 22 bit complemented */ +#define R_SPARC_LOX10 49 /* Truncated 11 bit complemented */ +#define R_SPARC_H44 50 /* Direct high 12 of 44 bit */ +#define R_SPARC_M44 51 /* Direct mid 22 of 44 bit */ +#define R_SPARC_L44 52 /* Direct low 10 of 44 bit */ +#define R_SPARC_REGISTER 53 /* Global register usage */ +#define R_SPARC_UA64 54 /* Direct 64 bit unaligned */ +#define R_SPARC_UA16 55 /* Direct 16 bit unaligned */ +/* Keep this the last entry. */ +#define R_SPARC_NUM 56 + +/* For Sparc64, legal values for d_tag of Elf64_Dyn. */ + +#define DT_SPARC_REGISTER 0x70000001 +#define DT_SPARC_NUM 2 + +/* Bits present in AT_HWCAP, primarily for Sparc32. */ + +#define HWCAP_SPARC_FLUSH 1 /* The cpu supports flush insn. */ +#define HWCAP_SPARC_STBAR 2 +#define HWCAP_SPARC_SWAP 4 +#define HWCAP_SPARC_MULDIV 8 +#define HWCAP_SPARC_V9 16 /* The cpu is v9, so v8plus is ok. */ + +/* MIPS R3000 specific definitions. */ + +/* Legal values for e_flags field of Elf32_Ehdr. */ + +#define EF_MIPS_NOREORDER 1 /* A .noreorder directive was used */ +#define EF_MIPS_PIC 2 /* Contains PIC code */ +#define EF_MIPS_CPIC 4 /* Uses PIC calling sequence */ +#define EF_MIPS_XGOT 8 +#define EF_MIPS_64BIT_WHIRL 16 +#define EF_MIPS_ABI2 32 +#define EF_MIPS_ABI_ON32 64 +#define EF_MIPS_ARCH 0xf0000000 /* MIPS architecture level */ + +/* Legal values for MIPS architecture level. */ + +#define EF_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ +#define EF_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ +#define EF_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ +#define EF_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ +#define EF_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ + +/* The following are non-official names and should not be used. */ + +#define E_MIPS_ARCH_1 0x00000000 /* -mips1 code. */ +#define E_MIPS_ARCH_2 0x10000000 /* -mips2 code. */ +#define E_MIPS_ARCH_3 0x20000000 /* -mips3 code. */ +#define E_MIPS_ARCH_4 0x30000000 /* -mips4 code. */ +#define E_MIPS_ARCH_5 0x40000000 /* -mips5 code. */ + +/* Special section indices. */ + +#define SHN_MIPS_ACOMMON 0xff00 /* Allocated common symbols */ +#define SHN_MIPS_TEXT 0xff01 /* Allocated test symbols. */ +#define SHN_MIPS_DATA 0xff02 /* Allocated data symbols. */ +#define SHN_MIPS_SCOMMON 0xff03 /* Small common symbols */ +#define SHN_MIPS_SUNDEFINED 0xff04 /* Small undefined symbols */ + +/* Legal values for sh_type field of Elf32_Shdr. */ + +#define SHT_MIPS_LIBLIST 0x70000000 /* Shared objects used in link */ +#define SHT_MIPS_MSYM 0x70000001 +#define SHT_MIPS_CONFLICT 0x70000002 /* Conflicting symbols */ +#define SHT_MIPS_GPTAB 0x70000003 /* Global data area sizes */ +#define SHT_MIPS_UCODE 0x70000004 /* Reserved for SGI/MIPS compilers */ +#define SHT_MIPS_DEBUG 0x70000005 /* MIPS ECOFF debugging information*/ +#define SHT_MIPS_REGINFO 0x70000006 /* Register usage information */ +#define SHT_MIPS_PACKAGE 0x70000007 +#define SHT_MIPS_PACKSYM 0x70000008 +#define SHT_MIPS_RELD 0x70000009 +#define SHT_MIPS_IFACE 0x7000000b +#define SHT_MIPS_CONTENT 0x7000000c +#define SHT_MIPS_OPTIONS 0x7000000d /* Miscellaneous options. */ +#define SHT_MIPS_SHDR 0x70000010 +#define SHT_MIPS_FDESC 0x70000011 +#define SHT_MIPS_EXTSYM 0x70000012 +#define SHT_MIPS_DENSE 0x70000013 +#define SHT_MIPS_PDESC 0x70000014 +#define SHT_MIPS_LOCSYM 0x70000015 +#define SHT_MIPS_AUXSYM 0x70000016 +#define SHT_MIPS_OPTSYM 0x70000017 +#define SHT_MIPS_LOCSTR 0x70000018 +#define SHT_MIPS_LINE 0x70000019 +#define SHT_MIPS_RFDESC 0x7000001a +#define SHT_MIPS_DELTASYM 0x7000001b +#define SHT_MIPS_DELTAINST 0x7000001c +#define SHT_MIPS_DELTACLASS 0x7000001d +#define SHT_MIPS_DWARF 0x7000001e /* DWARF debugging information. */ +#define SHT_MIPS_DELTADECL 0x7000001f +#define SHT_MIPS_SYMBOL_LIB 0x70000020 +#define SHT_MIPS_EVENTS 0x70000021 /* Event section. */ +#define SHT_MIPS_TRANSLATE 0x70000022 +#define SHT_MIPS_PIXIE 0x70000023 +#define SHT_MIPS_XLATE 0x70000024 +#define SHT_MIPS_XLATE_DEBUG 0x70000025 +#define SHT_MIPS_WHIRL 0x70000026 +#define SHT_MIPS_EH_REGION 0x70000027 +#define SHT_MIPS_XLATE_OLD 0x70000028 +#define SHT_MIPS_PDR_EXCEPTION 0x70000029 + +/* Legal values for sh_flags field of Elf32_Shdr. */ + +#define SHF_MIPS_GPREL 0x10000000 /* Must be part of global data area */ +#define SHF_MIPS_MERGE 0x20000000 +#define SHF_MIPS_ADDR 0x40000000 +#define SHF_MIPS_STRINGS 0x80000000 +#define SHF_MIPS_NOSTRIP 0x08000000 +#define SHF_MIPS_LOCAL 0x04000000 +#define SHF_MIPS_NAMES 0x02000000 +#define SHF_MIPS_NODUPE 0x01000000 + + +/* Symbol tables. */ + +/* MIPS specific values for `st_other'. */ +#define STO_MIPS_DEFAULT 0x0 +#define STO_MIPS_INTERNAL 0x1 +#define STO_MIPS_HIDDEN 0x2 +#define STO_MIPS_PROTECTED 0x3 +#define STO_MIPS_SC_ALIGN_UNUSED 0xff + +/* MIPS specific values for `st_info'. */ +#define STB_MIPS_SPLIT_COMMON 13 + +/* Entries found in sections of type SHT_MIPS_GPTAB. */ + +typedef union +{ + struct + { + Elf32_Word gt_current_g_value; /* -G value used for compilation */ + Elf32_Word gt_unused; /* Not used */ + } gt_header; /* First entry in section */ + struct + { + Elf32_Word gt_g_value; /* If this value were used for -G */ + Elf32_Word gt_bytes; /* This many bytes would be used */ + } gt_entry; /* Subsequent entries in section */ +} Elf32_gptab; + +/* Entry found in sections of type SHT_MIPS_REGINFO. */ + +typedef struct +{ + Elf32_Word ri_gprmask; /* General registers used */ + Elf32_Word ri_cprmask[4]; /* Coprocessor registers used */ + Elf32_Sword ri_gp_value; /* $gp register value */ +} Elf32_RegInfo; + +/* Entries found in sections of type SHT_MIPS_OPTIONS. */ + +typedef struct +{ + unsigned char kind; /* Determines interpretation of the + variable part of descriptor. */ + unsigned char size; /* Size of descriptor, including header. */ + Elf32_Section section; /* Section header index of section affected, + 0 for global options. */ + Elf32_Word info; /* Kind-specific information. */ +} Elf_Options; + +/* Values for `kind' field in Elf_Options. */ + +#define ODK_NULL 0 /* Undefined. */ +#define ODK_REGINFO 1 /* Register usage information. */ +#define ODK_EXCEPTIONS 2 /* Exception processing options. */ +#define ODK_PAD 3 /* Section padding options. */ +#define ODK_HWPATCH 4 /* Hardware workarounds performed */ +#define ODK_FILL 5 /* record the fill value used by the linker. */ +#define ODK_TAGS 6 /* reserve space for desktop tools to write. */ +#define ODK_HWAND 7 /* HW workarounds. 'AND' bits when merging. */ +#define ODK_HWOR 8 /* HW workarounds. 'OR' bits when merging. */ + +/* Values for `info' in Elf_Options for ODK_EXCEPTIONS entries. */ + +#define OEX_FPU_MIN 0x1f /* FPE's which MUST be enabled. */ +#define OEX_FPU_MAX 0x1f00 /* FPE's which MAY be enabled. */ +#define OEX_PAGE0 0x10000 /* page zero must be mapped. */ +#define OEX_SMM 0x20000 /* Force sequential memory mode? */ +#define OEX_FPDBUG 0x40000 /* Force floating point debug mode? */ +#define OEX_PRECISEFP OEX_FPDBUG +#define OEX_DISMISS 0x80000 /* Dismiss invalid address faults? */ + +#define OEX_FPU_INVAL 0x10 +#define OEX_FPU_DIV0 0x08 +#define OEX_FPU_OFLO 0x04 +#define OEX_FPU_UFLO 0x02 +#define OEX_FPU_INEX 0x01 + +/* Masks for `info' in Elf_Options for an ODK_HWPATCH entry. */ + +#define OHW_R4KEOP 0x1 /* R4000 end-of-page patch. */ +#define OHW_R8KPFETCH 0x2 /* may need R8000 prefetch patch. */ +#define OHW_R5KEOP 0x4 /* R5000 end-of-page patch. */ +#define OHW_R5KCVTL 0x8 /* R5000 cvt.[ds].l bug. clean=1. */ + +#define OPAD_PREFIX 0x1 +#define OPAD_POSTFIX 0x2 +#define OPAD_SYMBOL 0x4 + +/* Entry found in `.options' section. */ + +typedef struct +{ + Elf32_Word hwp_flags1; /* Extra flags. */ + Elf32_Word hwp_flags2; /* Extra flags. */ +} Elf_Options_Hw; + +/* Masks for `info' in ElfOptions for ODK_HWAND and ODK_HWOR entries. */ + +#define OHWA0_R4KEOP_CHECKED 0x00000001 +#define OHWA1_R4KEOP_CLEAN 0x00000002 + +/* MIPS relocs. */ + +#define R_MIPS_NONE 0 /* No reloc */ +#define R_MIPS_16 1 /* Direct 16 bit */ +#define R_MIPS_32 2 /* Direct 32 bit */ +#define R_MIPS_REL32 3 /* PC relative 32 bit */ +#define R_MIPS_26 4 /* Direct 26 bit shifted */ +#define R_MIPS_HI16 5 /* High 16 bit */ +#define R_MIPS_LO16 6 /* Low 16 bit */ +#define R_MIPS_GPREL16 7 /* GP relative 16 bit */ +#define R_MIPS_LITERAL 8 /* 16 bit literal entry */ +#define R_MIPS_GOT16 9 /* 16 bit GOT entry */ +#define R_MIPS_PC16 10 /* PC relative 16 bit */ +#define R_MIPS_CALL16 11 /* 16 bit GOT entry for function */ +#define R_MIPS_GPREL32 12 /* GP relative 32 bit */ + +#define R_MIPS_SHIFT5 16 +#define R_MIPS_SHIFT6 17 +#define R_MIPS_64 18 +#define R_MIPS_GOT_DISP 19 +#define R_MIPS_GOT_PAGE 20 +#define R_MIPS_GOT_OFST 21 +#define R_MIPS_GOT_HI16 22 +#define R_MIPS_GOT_LO16 23 +#define R_MIPS_SUB 24 +#define R_MIPS_INSERT_A 25 +#define R_MIPS_INSERT_B 26 +#define R_MIPS_DELETE 27 +#define R_MIPS_HIGHER 28 +#define R_MIPS_HIGHEST 29 +#define R_MIPS_CALL_HI16 30 +#define R_MIPS_CALL_LO16 31 +#define R_MIPS_SCN_DISP 32 +#define R_MIPS_REL16 33 +#define R_MIPS_ADD_IMMEDIATE 34 +#define R_MIPS_PJUMP 35 +#define R_MIPS_RELGOT 36 +#define R_MIPS_JALR 37 +/* Keep this the last entry. */ +#define R_MIPS_NUM 38 + +/* Legal values for p_type field of Elf32_Phdr. */ + +#define PT_MIPS_REGINFO 0x70000000 /* Register usage information */ +#define PT_MIPS_RTPROC 0x70000001 /* Runtime procedure table. */ +#define PT_MIPS_OPTIONS 0x70000002 + +/* Special program header types. */ + +#define PF_MIPS_LOCAL 0x10000000 + +/* Legal values for d_tag field of Elf32_Dyn. */ + +#define DT_MIPS_RLD_VERSION 0x70000001 /* Runtime linker interface version */ +#define DT_MIPS_TIME_STAMP 0x70000002 /* Timestamp */ +#define DT_MIPS_ICHECKSUM 0x70000003 /* Checksum */ +#define DT_MIPS_IVERSION 0x70000004 /* Version string (string tbl index) */ +#define DT_MIPS_FLAGS 0x70000005 /* Flags */ +#define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */ +#define DT_MIPS_MSYM 0x70000007 +#define DT_MIPS_CONFLICT 0x70000008 /* Address of CONFLICT section */ +#define DT_MIPS_LIBLIST 0x70000009 /* Address of LIBLIST section */ +#define DT_MIPS_LOCAL_GOTNO 0x7000000a /* Number of local GOT entries */ +#define DT_MIPS_CONFLICTNO 0x7000000b /* Number of CONFLICT entries */ +#define DT_MIPS_LIBLISTNO 0x70000010 /* Number of LIBLIST entries */ +#define DT_MIPS_SYMTABNO 0x70000011 /* Number of DYNSYM entries */ +#define DT_MIPS_UNREFEXTNO 0x70000012 /* First external DYNSYM */ +#define DT_MIPS_GOTSYM 0x70000013 /* First GOT entry in DYNSYM */ +#define DT_MIPS_HIPAGENO 0x70000014 /* Number of GOT page table entries */ +#define DT_MIPS_RLD_MAP 0x70000016 /* Address of run time loader map. */ +#define DT_MIPS_DELTA_CLASS 0x70000017 /* Delta C++ class definition. */ +#define DT_MIPS_DELTA_CLASS_NO 0x70000018 /* Number of entries in + DT_MIPS_DELTA_CLASS. */ +#define DT_MIPS_DELTA_INSTANCE 0x70000019 /* Delta C++ class instances. */ +#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001a /* Number of entries in + DT_MIPS_DELTA_INSTANCE. */ +#define DT_MIPS_DELTA_RELOC 0x7000001b /* Delta relocations. */ +#define DT_MIPS_DELTA_RELOC_NO 0x7000001c /* Number of entries in + DT_MIPS_DELTA_RELOC. */ +#define DT_MIPS_DELTA_SYM 0x7000001d /* Delta symbols that Delta + relocations refer to. */ +#define DT_MIPS_DELTA_SYM_NO 0x7000001e /* Number of entries in + DT_MIPS_DELTA_SYM. */ +#define DT_MIPS_DELTA_CLASSSYM 0x70000020 /* Delta symbols that hold the + class declaration. */ +#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021 /* Number of entries in + DT_MIPS_DELTA_CLASSSYM. */ +#define DT_MIPS_CXX_FLAGS 0x70000022 /* Flags indicating for C++ flavor. */ +#define DT_MIPS_PIXIE_INIT 0x70000023 +#define DT_MIPS_SYMBOL_LIB 0x70000024 +#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025 +#define DT_MIPS_LOCAL_GOTIDX 0x70000026 +#define DT_MIPS_HIDDEN_GOTIDX 0x70000027 +#define DT_MIPS_PROTECTED_GOTIDX 0x70000028 +#define DT_MIPS_OPTIONS 0x70000029 /* Address of .options. */ +#define DT_MIPS_INTERFACE 0x7000002a /* Address of .interface. */ +#define DT_MIPS_DYNSTR_ALIGN 0x7000002b +#define DT_MIPS_INTERFACE_SIZE 0x7000002c /* Size of the .interface section. */ +#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002d /* Address of rld_text_rsolve + function stored in GOT. */ +#define DT_MIPS_PERF_SUFFIX 0x7000002e /* Default suffix of dso to be added + by rld on dlopen() calls. */ +#define DT_MIPS_COMPACT_SIZE 0x7000002f /* (O32)Size of compact rel section. */ +#define DT_MIPS_GP_VALUE 0x70000030 /* GP value for aux GOTs. */ +#define DT_MIPS_AUX_DYNAMIC 0x70000031 /* Address of aux .dynamic. */ +#define DT_MIPS_NUM 0x32 + +/* Legal values for DT_MIPS_FLAGS Elf32_Dyn entry. */ + +#define RHF_NONE 0 /* No flags */ +#define RHF_QUICKSTART (1 << 0) /* Use quickstart */ +#define RHF_NOTPOT (1 << 1) /* Hash size not power of 2 */ +#define RHF_NO_LIBRARY_REPLACEMENT (1 << 2) /* Ignore LD_LIBRARY_PATH */ +#define RHF_NO_MOVE (1 << 3) +#define RHF_SGI_ONLY (1 << 4) +#define RHF_GUARANTEE_INIT (1 << 5) +#define RHF_DELTA_C_PLUS_PLUS (1 << 6) +#define RHF_GUARANTEE_START_INIT (1 << 7) +#define RHF_PIXIE (1 << 8) +#define RHF_DEFAULT_DELAY_LOAD (1 << 9) +#define RHF_REQUICKSTART (1 << 10) +#define RHF_REQUICKSTARTED (1 << 11) +#define RHF_CORD (1 << 12) +#define RHF_NO_UNRES_UNDEF (1 << 13) +#define RHF_RLD_ORDER_SAFE (1 << 14) + +/* Entries found in sections of type SHT_MIPS_LIBLIST. */ + +typedef struct +{ + Elf32_Word l_name; /* Name (string table index) */ + Elf32_Word l_time_stamp; /* Timestamp */ + Elf32_Word l_checksum; /* Checksum */ + Elf32_Word l_version; /* Interface version */ + Elf32_Word l_flags; /* Flags */ +} Elf32_Lib; + +typedef struct +{ + Elf64_Word l_name; /* Name (string table index) */ + Elf64_Word l_time_stamp; /* Timestamp */ + Elf64_Word l_checksum; /* Checksum */ + Elf64_Word l_version; /* Interface version */ + Elf64_Word l_flags; /* Flags */ +} Elf64_Lib; + + +/* Legal values for l_flags. */ + +#define LL_NONE 0 +#define LL_EXACT_MATCH (1 << 0) /* Require exact match */ +#define LL_IGNORE_INT_VER (1 << 1) /* Ignore interface version */ +#define LL_REQUIRE_MINOR (1 << 2) +#define LL_EXPORTS (1 << 3) +#define LL_DELAY_LOAD (1 << 4) +#define LL_DELTA (1 << 5) + +/* Entries found in sections of type SHT_MIPS_CONFLICT. */ + +typedef Elf32_Addr Elf32_Conflict; + + +/* HPPA specific definitions. */ + +/* Legal values for e_flags field of Elf32_Ehdr. */ + +#define EF_PARISC_TRAPNL 1 /* Trap nil pointer dereference. */ +#define EF_PARISC_EXT 2 /* Program uses arch. extensions. */ +#define EF_PARISC_ARCH 0xffff0000 /* Architecture version. */ +/* Defined values are: + 0x020b PA-RISC 1.0 big-endian + 0x0210 PA-RISC 1.1 big-endian + 0x028b PA-RISC 1.0 little-endian + 0x0290 PA-RISC 1.1 little-endian +*/ + +/* Legal values for sh_type field of Elf32_Shdr. */ + +#define SHT_PARISC_GOT 0x70000000 /* GOT for external data. */ +#define SHT_PARISC_ARCH 0x70000001 /* Architecture extensions. */ +#define SHT_PARISC_GLOBAL 0x70000002 /* Definition of $global$. */ +#define SHT_PARISC_MILLI 0x70000003 /* Millicode routines. */ +#define SHT_PARISC_UNWIND 0x70000004 /* Unwind information. */ +#define SHT_PARISC_PLT 0x70000005 /* Procedure linkage table. */ +#define SHT_PARISC_SDATA 0x70000006 /* Short initialized data. */ +#define SHT_PARISC_SBSS 0x70000007 /* Short uninitialized data. */ +#define SHT_PARISC_SYMEXTN 0x70000008 /* Argument/relocation info. */ +#define SHT_PARISC_STUBS 0x70000009 /* Linker stubs. */ + +/* Legal values for sh_flags field of Elf32_Shdr. */ + +#define SHF_PARISC_GLOBAL 0x10000000 /* Section defines dp. */ +#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */ + +/* Legal values for ST_TYPE subfield of st_info (symbol type). */ + +#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */ + +/* HPPA relocs. */ + +#define R_PARISC_NONE 0 /* No reloc. */ +#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */ +#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */ +#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */ +#define R_PARISC_DIR14R 4 /* Right 14 bits of eff. address. */ +#define R_PARISC_PCREL21L 5 /* PC-relative, left 21 bits. */ +#define R_PARISC_PCREL14R 6 /* PC-relative, right 14 bits. */ +#define R_PARISC_PCREL17C 7 /* Conditional PC-relative, ignore + if displacement > 17bits. */ +#define R_PARISC_PCREL17F 8 /* Conditional PC-relative, must + fit in 17bits. */ +#define R_PARISC_DPREL21L 9 /* DP-relative, left 21 bits. */ +#define R_PARISC_DPREL14R 10 /* DP-relative, right 14 bits. */ +#define R_PARISC_DPREL14F 11 /* DP-relative, must bit in 14 bits. */ +#define R_PARISC_DLTREL21L 12 /* DLT-relative, left 21 bits. */ +#define R_PARISC_DLTREL14R 13 /* DLT-relative, right 14 bits. */ +#define R_PARISC_DLTREL14F 14 /* DLT-relative, must fit in 14 bits.*/ +#define R_PARISC_DLTIND21L 15 /* DLT-relative indirect, left + 21 bits. */ +#define R_PARISC_DLTIND14R 16 /* DLT-relative indirect, right + 14 bits. */ +#define R_PARISC_DLTIND14F 17 /* DLT-relative indirect, must fit + int 14 bits. */ +#define R_PARISC_PLABEL32 18 /* Direct 32-bit reference to proc. */ + +/* Alpha specific definitions. */ + +/* Legal values for e_flags field of Elf64_Ehdr. */ + +#define EF_ALPHA_32BIT 1 /* All addresses must be < 2GB. */ +#define EF_ALPHA_CANRELAX 2 /* Relocations for relaxing exist. */ + +/* Legal values for sh_type field of Elf64_Shdr. */ + +/* These two are primerily concerned with ECOFF debugging info. */ +#define SHT_ALPHA_DEBUG 0x70000001 +#define SHT_ALPHA_REGINFO 0x70000002 + +/* Legal values for sh_flags field of Elf64_Shdr. */ + +#define SHF_ALPHA_GPREL 0x10000000 + +/* Legal values for st_other field of Elf64_Sym. */ +#define STO_ALPHA_NOPV 0x80 /* No PV required. */ +#define STO_ALPHA_STD_GPLOAD 0x88 /* PV only used for initial ldgp. */ + +/* Alpha relocs. */ + +#define R_ALPHA_NONE 0 /* No reloc */ +#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ +#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ +#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ +#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ +#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ +#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ +#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ +#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ +#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ +#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ +#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ +#define R_ALPHA_OP_PUSH 12 /* OP stack push */ +#define R_ALPHA_OP_STORE 13 /* OP stack pop and store */ +#define R_ALPHA_OP_PSUB 14 /* OP stack subtract */ +#define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */ +#define R_ALPHA_GPVALUE 16 +#define R_ALPHA_GPRELHIGH 17 +#define R_ALPHA_GPRELLOW 18 +#define R_ALPHA_IMMED_GP_16 19 +#define R_ALPHA_IMMED_GP_HI32 20 +#define R_ALPHA_IMMED_SCN_HI32 21 +#define R_ALPHA_IMMED_BR_HI32 22 +#define R_ALPHA_IMMED_LO32 23 +#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ +#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ +#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ +#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ +/* Keep this the last entry. */ +#define R_ALPHA_NUM 28 + + +/* PowerPC specific declarations */ + +/* PowerPC relocations defined by the ABIs */ +#define R_PPC_NONE 0 +#define R_PPC_ADDR32 1 /* 32bit absolute address */ +#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */ +#define R_PPC_ADDR16 3 /* 16bit absolute address */ +#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */ +#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */ +#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */ +#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */ +#define R_PPC_ADDR14_BRTAKEN 8 +#define R_PPC_ADDR14_BRNTAKEN 9 +#define R_PPC_REL24 10 /* PC relative 26 bit */ +#define R_PPC_REL14 11 /* PC relative 16 bit */ +#define R_PPC_REL14_BRTAKEN 12 +#define R_PPC_REL14_BRNTAKEN 13 +#define R_PPC_GOT16 14 +#define R_PPC_GOT16_LO 15 +#define R_PPC_GOT16_HI 16 +#define R_PPC_GOT16_HA 17 +#define R_PPC_PLTREL24 18 +#define R_PPC_COPY 19 +#define R_PPC_GLOB_DAT 20 +#define R_PPC_JMP_SLOT 21 +#define R_PPC_RELATIVE 22 +#define R_PPC_LOCAL24PC 23 +#define R_PPC_UADDR32 24 +#define R_PPC_UADDR16 25 +#define R_PPC_REL32 26 +#define R_PPC_PLT32 27 +#define R_PPC_PLTREL32 28 +#define R_PPC_PLT16_LO 29 +#define R_PPC_PLT16_HI 30 +#define R_PPC_PLT16_HA 31 +#define R_PPC_SDAREL16 32 +#define R_PPC_SECTOFF 33 +#define R_PPC_SECTOFF_LO 34 +#define R_PPC_SECTOFF_HI 35 +#define R_PPC_SECTOFF_HA 36 +/* Keep this the last entry. */ +#define R_PPC_NUM 37 + +/* The remaining relocs are from the Embedded ELF ABI, and are not + in the SVR4 ELF ABI. */ +#define R_PPC_EMB_NADDR32 101 +#define R_PPC_EMB_NADDR16 102 +#define R_PPC_EMB_NADDR16_LO 103 +#define R_PPC_EMB_NADDR16_HI 104 +#define R_PPC_EMB_NADDR16_HA 105 +#define R_PPC_EMB_SDAI16 106 +#define R_PPC_EMB_SDA2I16 107 +#define R_PPC_EMB_SDA2REL 108 +#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */ +#define R_PPC_EMB_MRKREF 110 +#define R_PPC_EMB_RELSEC16 111 +#define R_PPC_EMB_RELST_LO 112 +#define R_PPC_EMB_RELST_HI 113 +#define R_PPC_EMB_RELST_HA 114 +#define R_PPC_EMB_BIT_FLD 115 +#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */ + +/* Diab tool relocations. */ +#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */ +#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */ +#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */ +#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */ +#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */ +#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */ + +/* This is a phony reloc to handle any old fashioned TOC16 references + that may still be in object files. */ +#define R_PPC_TOC16 255 + + +/* ARM specific declarations */ + +/* Processor specific flags for the ELF header e_flags field. */ +#define EF_ARM_RELEXEC 0x01 +#define EF_ARM_HASENTRY 0x02 +#define EF_ARM_INTERWORK 0x04 +#define EF_ARM_APCS_26 0x08 +#define EF_ARM_APCS_FLOAT 0x10 +#define EF_ARM_PIC 0x20 +#define EF_ALIGN8 0x40 /* 8-bit structure alignment is in use */ +#define EF_NEW_ABI 0x80 +#define EF_OLD_ABI 0x100 + +/* Additional symbol types for Thumb */ +#define STT_ARM_TFUNC 0xd + +/* ARM-specific values for sh_flags */ +#define SHF_ARM_ENTRYSECT 0x10000000 /* Section contains an entry point */ +#define SHF_ARM_COMDEF 0x80000000 /* Section may be multiply defined + in the input to a link step */ + +/* ARM-specific program header flags */ +#define PF_ARM_SB 0x10000000 /* Segment contains the location + addressed by the static base */ + +/* ARM relocs. */ +#define R_ARM_NONE 0 /* No reloc */ +#define R_ARM_PC24 1 /* PC relative 26 bit branch */ +#define R_ARM_ABS32 2 /* Direct 32 bit */ +#define R_ARM_REL32 3 /* PC relative 32 bit */ +#define R_ARM_PC13 4 +#define R_ARM_ABS16 5 /* Direct 16 bit */ +#define R_ARM_ABS12 6 /* Direct 12 bit */ +#define R_ARM_THM_ABS5 7 +#define R_ARM_ABS8 8 /* Direct 8 bit */ +#define R_ARM_SBREL32 9 +#define R_ARM_THM_PC22 10 +#define R_ARM_THM_PC8 11 +#define R_ARM_AMP_VCALL9 12 +#define R_ARM_SWI24 13 +#define R_ARM_THM_SWI8 14 +#define R_ARM_XPC25 15 +#define R_ARM_THM_XPC22 16 +#define R_ARM_COPY 20 /* Copy symbol at runtime */ +#define R_ARM_GLOB_DAT 21 /* Create GOT entry */ +#define R_ARM_JUMP_SLOT 22 /* Create PLT entry */ +#define R_ARM_RELATIVE 23 /* Adjust by program base */ +#define R_ARM_GOTOFF 24 /* 32 bit offset to GOT */ +#define R_ARM_GOTPC 25 /* 32 bit PC relative offset to GOT */ +#define R_ARM_GOT32 26 /* 32 bit GOT entry */ +#define R_ARM_PLT32 27 /* 32 bit PLT address */ +#define R_ARM_GNU_VTENTRY 100 +#define R_ARM_GNU_VTINHERIT 101 +#define R_ARM_THM_PC11 102 /* thumb unconditional branch */ +#define R_ARM_THM_PC9 103 /* thumb conditional branch */ +#define R_ARM_RXPC25 249 +#define R_ARM_RSBREL32 250 +#define R_ARM_THM_RPC22 251 +#define R_ARM_RREL32 252 +#define R_ARM_RABS22 253 +#define R_ARM_RPC24 254 +#define R_ARM_RBASE 255 +/* Keep this the last entry. */ +#define R_ARM_NUM 256 + +/* TMS320C67xx specific declarations */ +/* XXX: no ELF standard yet */ + +/* TMS320C67xx relocs. */ +#define R_C60_32 1 +#define R_C60_GOT32 3 /* 32 bit GOT entry */ +#define R_C60_PLT32 4 /* 32 bit PLT address */ +#define R_C60_COPY 5 /* Copy symbol at runtime */ +#define R_C60_GLOB_DAT 6 /* Create GOT entry */ +#define R_C60_JMP_SLOT 7 /* Create PLT entry */ +#define R_C60_RELATIVE 8 /* Adjust by program base */ +#define R_C60_GOTOFF 9 /* 32 bit offset to GOT */ +#define R_C60_GOTPC 10 /* 32 bit PC relative offset to GOT */ + +#define R_C60HI16 0x55 // high 16 bit MVKH embedded +#define R_C60LO16 0x54 // low 16 bit MVKL embedded + +#endif /* elf.h */ +//--------------------------------------------------------------------------- + + +// njn: inlined stab.h +//#include "stab.h" +//--------------------------------------------------------------------------- +#ifndef __GNU_STAB__ + +/* Indicate the GNU stab.h is in use. */ + +#define __GNU_STAB__ + +#define __define_stab(NAME, CODE, STRING) NAME=CODE, + +enum __stab_debug_code +{ +// njn: inlined stab.def +//#include "stab.def" +//--------------------------------------------------------------------------- +/* Table of DBX symbol codes for the GNU system. + Copyright (C) 1988, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* This contains contribution from Cygnus Support. */ + +/* Global variable. Only the name is significant. + To find the address, look in the corresponding external symbol. */ +__define_stab (N_GSYM, 0x20, "GSYM") + +/* Function name for BSD Fortran. Only the name is significant. + To find the address, look in the corresponding external symbol. */ +__define_stab (N_FNAME, 0x22, "FNAME") + +/* Function name or text-segment variable for C. Value is its address. + Desc is supposedly starting line number, but GCC doesn't set it + and DBX seems not to miss it. */ +__define_stab (N_FUN, 0x24, "FUN") + +/* Data-segment variable with internal linkage. Value is its address. + "Static Sym". */ +__define_stab (N_STSYM, 0x26, "STSYM") + +/* BSS-segment variable with internal linkage. Value is its address. */ +__define_stab (N_LCSYM, 0x28, "LCSYM") + +/* Name of main routine. Only the name is significant. + This is not used in C. */ +__define_stab (N_MAIN, 0x2a, "MAIN") + +/* Global symbol in Pascal. + Supposedly the value is its line number; I'm skeptical. */ +__define_stab (N_PC, 0x30, "PC") + +/* Number of symbols: 0, files,,funcs,lines according to Ultrix V4.0. */ +__define_stab (N_NSYMS, 0x32, "NSYMS") + +/* "No DST map for sym: name, ,0,type,ignored" according to Ultrix V4.0. */ +__define_stab (N_NOMAP, 0x34, "NOMAP") + +/* New stab from Solaris. I don't know what it means, but it + don't seem to contain useful information. */ +__define_stab (N_OBJ, 0x38, "OBJ") + +/* New stab from Solaris. I don't know what it means, but it + don't seem to contain useful information. Possibly related to the + optimization flags used in this module. */ +__define_stab (N_OPT, 0x3c, "OPT") + +/* Register variable. Value is number of register. */ +__define_stab (N_RSYM, 0x40, "RSYM") + +/* Modula-2 compilation unit. Can someone say what info it contains? */ +__define_stab (N_M2C, 0x42, "M2C") + +/* Line number in text segment. Desc is the line number; + value is corresponding address. */ +__define_stab (N_SLINE, 0x44, "SLINE") + +/* Similar, for data segment. */ +__define_stab (N_DSLINE, 0x46, "DSLINE") + +/* Similar, for bss segment. */ +__define_stab (N_BSLINE, 0x48, "BSLINE") + +/* Sun's source-code browser stabs. ?? Don't know what the fields are. + Supposedly the field is "path to associated .cb file". THIS VALUE + OVERLAPS WITH N_BSLINE! */ +__define_stab (N_BROWS, 0x48, "BROWS") + +/* GNU Modula-2 definition module dependency. Value is the modification time + of the definition file. Other is non-zero if it is imported with the + GNU M2 keyword %INITIALIZE. Perhaps N_M2C can be used if there + are enough empty fields? */ +__define_stab(N_DEFD, 0x4a, "DEFD") + +/* THE FOLLOWING TWO STAB VALUES CONFLICT. Happily, one is for Modula-2 + and one is for C++. Still,... */ +/* GNU C++ exception variable. Name is variable name. */ +__define_stab (N_EHDECL, 0x50, "EHDECL") +/* Modula2 info "for imc": name,,0,0,0 according to Ultrix V4.0. */ +__define_stab (N_MOD2, 0x50, "MOD2") + +/* GNU C++ `catch' clause. Value is its address. Desc is nonzero if + this entry is immediately followed by a CAUGHT stab saying what exception + was caught. Multiple CAUGHT stabs means that multiple exceptions + can be caught here. If Desc is 0, it means all exceptions are caught + here. */ +__define_stab (N_CATCH, 0x54, "CATCH") + +/* Structure or union element. Value is offset in the structure. */ +__define_stab (N_SSYM, 0x60, "SSYM") + +/* Name of main source file. + Value is starting text address of the compilation. */ +__define_stab (N_SO, 0x64, "SO") + +/* Automatic variable in the stack. Value is offset from frame pointer. + Also used for type descriptions. */ +__define_stab (N_LSYM, 0x80, "LSYM") + +/* Beginning of an include file. Only Sun uses this. + In an object file, only the name is significant. + The Sun linker puts data into some of the other fields. */ +__define_stab (N_BINCL, 0x82, "BINCL") + +/* Name of sub-source file (#include file). + Value is starting text address of the compilation. */ +__define_stab (N_SOL, 0x84, "SOL") + +/* Parameter variable. Value is offset from argument pointer. + (On most machines the argument pointer is the same as the frame pointer. */ +__define_stab (N_PSYM, 0xa0, "PSYM") + +/* End of an include file. No name. + This and N_BINCL act as brackets around the file's output. + In an object file, there is no significant data in this entry. + The Sun linker puts data into some of the fields. */ +__define_stab (N_EINCL, 0xa2, "EINCL") + +/* Alternate entry point. Value is its address. */ +__define_stab (N_ENTRY, 0xa4, "ENTRY") + +/* Beginning of lexical block. + The desc is the nesting level in lexical blocks. + The value is the address of the start of the text for the block. + The variables declared inside the block *precede* the N_LBRAC symbol. */ +__define_stab (N_LBRAC, 0xc0, "LBRAC") + +/* Place holder for deleted include file. Replaces a N_BINCL and everything + up to the corresponding N_EINCL. The Sun linker generates these when + it finds multiple identical copies of the symbols from an include file. + This appears only in output from the Sun linker. */ +__define_stab (N_EXCL, 0xc2, "EXCL") + +/* Modula-2 scope information. Can someone say what info it contains? */ +__define_stab (N_SCOPE, 0xc4, "SCOPE") + +/* End of a lexical block. Desc matches the N_LBRAC's desc. + The value is the address of the end of the text for the block. */ +__define_stab (N_RBRAC, 0xe0, "RBRAC") + +/* Begin named common block. Only the name is significant. */ +__define_stab (N_BCOMM, 0xe2, "BCOMM") + +/* End named common block. Only the name is significant + (and it should match the N_BCOMM). */ +__define_stab (N_ECOMM, 0xe4, "ECOMM") + +/* End common (local name): value is address. + I'm not sure how this is used. */ +__define_stab (N_ECOML, 0xe8, "ECOML") + +/* These STAB's are used on Gould systems for Non-Base register symbols + or something like that. FIXME. I have assigned the values at random + since I don't have a Gould here. Fixups from Gould folk welcome... */ +__define_stab (N_NBTEXT, 0xF0, "NBTEXT") +__define_stab (N_NBDATA, 0xF2, "NBDATA") +__define_stab (N_NBBSS, 0xF4, "NBBSS") +__define_stab (N_NBSTS, 0xF6, "NBSTS") +__define_stab (N_NBLCS, 0xF8, "NBLCS") + +/* Second symbol entry containing a length-value for the preceding entry. + The value is the length. */ +__define_stab (N_LENG, 0xfe, "LENG") + +/* The above information, in matrix format. + + STAB MATRIX + _________________________________________________ + | 00 - 1F are not dbx stab symbols | + | In most cases, the low bit is the EXTernal bit| + + | 00 UNDEF | 02 ABS | 04 TEXT | 06 DATA | + | 01 |EXT | 03 |EXT | 05 |EXT | 07 |EXT | + + | 08 BSS | 0A INDR | 0C FN_SEQ | 0E | + | 09 |EXT | 0B | 0D | 0F | + + | 10 | 12 COMM | 14 SETA | 16 SETT | + | 11 | 13 | 15 | 17 | + + | 18 SETD | 1A SETB | 1C SETV | 1E WARNING| + | 19 | 1B | 1D | 1F FN | + + |_______________________________________________| + | Debug entries with bit 01 set are unused. | + | 20 GSYM | 22 FNAME | 24 FUN | 26 STSYM | + | 28 LCSYM | 2A MAIN | 2C | 2E | + | 30 PC | 32 NSYMS | 34 NOMAP | 36 | + | 38 OBJ | 3A | 3C OPT | 3E | + | 40 RSYM | 42 M2C | 44 SLINE | 46 DSLINE | + | 48 BSLINE*| 4A DEFD | 4C | 4E | + | 50 EHDECL*| 52 | 54 CATCH | 56 | + | 58 | 5A | 5C | 5E | + | 60 SSYM | 62 | 64 SO | 66 | + | 68 | 6A | 6C | 6E | + | 70 | 72 | 74 | 76 | + | 78 | 7A | 7C | 7E | + | 80 LSYM | 82 BINCL | 84 SOL | 86 | + | 88 | 8A | 8C | 8E | + | 90 | 92 | 94 | 96 | + | 98 | 9A | 9C | 9E | + | A0 PSYM | A2 EINCL | A4 ENTRY | A6 | + | A8 | AA | AC | AE | + | B0 | B2 | B4 | B6 | + | B8 | BA | BC | BE | + | C0 LBRAC | C2 EXCL | C4 SCOPE | C6 | + | C8 | CA | CC | CE | + | D0 | D2 | D4 | D6 | + | D8 | DA | DC | DE | + | E0 RBRAC | E2 BCOMM | E4 ECOMM | E6 | + | E8 ECOML | EA | EC | EE | + | F0 | F2 | F4 | F6 | + | F8 | FA | FC | FE LENG | + +-----------------------------------------------+ + * 50 EHDECL is also MOD2. + * 48 BSLINE is also BROWS. + */ +//--------------------------------------------------------------------------- +LAST_UNUSED_STAB_CODE +}; + +#undef __define_stab + +#endif /* __GNU_STAB_ */ +//--------------------------------------------------------------------------- + +#ifndef O_BINARY +#define O_BINARY 0 +#endif + +// njn: inlined libtcc.h +//#include "libtcc.h" +//--------------------------------------------------------------------------- +#ifndef LIBTCC_H +#define LIBTCC_H + +#ifdef __cplusplus +extern "C" { +#endif + +struct TCCState; + +typedef struct TCCState TCCState; + +/* create a new TCC compilation context */ +TCCState *tcc_new(void); + +/* free a TCC compilation context */ +void tcc_delete(TCCState *s); + +/* add debug information in the generated code */ +void tcc_enable_debug(TCCState *s); + +/* set error/warning display callback */ +void tcc_set_error_func(TCCState *s, void *error_opaque, + void (*error_func)(void *opaque, const char *msg)); + +/* set/reset a warning */ +int tcc_set_warning(TCCState *s, const char *warning_name, int value); + +/*****************************/ +/* preprocessor */ + +/* add include path */ +int tcc_add_include_path(TCCState *s, const char *pathname); + +/* add in system include path */ +int tcc_add_sysinclude_path(TCCState *s, const char *pathname); + +/* define preprocessor symbol 'sym'. Can put optional value */ +void tcc_define_symbol(TCCState *s, const char *sym, const char *value); + +/* undefine preprocess symbol 'sym' */ +void tcc_undefine_symbol(TCCState *s, const char *sym); + +/*****************************/ +/* compiling */ + +/* add a file (either a C file, dll, an object, a library or an ld + script). Return -1 if error. */ +int tcc_add_file(TCCState *s, const char *filename); + +/* compile a string containing a C source. Return non zero if + error. */ +int tcc_compile_string(TCCState *s, const char *buf); + +/*****************************/ +/* linking commands */ + +/* set output type. MUST BE CALLED before any compilation */ +#define TCC_OUTPUT_MEMORY 0 /* output will be ran in memory (no + output file) (default) */ +#define TCC_OUTPUT_EXE 1 /* executable file */ +#define TCC_OUTPUT_DLL 2 /* dynamic library */ +#define TCC_OUTPUT_OBJ 3 /* object file */ +int tcc_set_output_type(TCCState *s, int output_type); + +#define TCC_OUTPUT_FORMAT_ELF 0 /* default output format: ELF */ +#define TCC_OUTPUT_FORMAT_BINARY 1 /* binary image output */ +#define TCC_OUTPUT_FORMAT_COFF 2 /* COFF */ + +/* equivalent to -Lpath option */ +int tcc_add_library_path(TCCState *s, const char *pathname); + +/* the library name is the same as the argument of the '-l' option */ +int tcc_add_library(TCCState *s, const char *libraryname); + +/* add a symbol to the compiled program */ +int tcc_add_symbol(TCCState *s, const char *name, unsigned long val); + +/* output an executable, library or object file. DO NOT call + tcc_relocate() before. */ +int tcc_output_file(TCCState *s, const char *filename); + +/* link and run main() function and return its value. DO NOT call + tcc_relocate() before. */ +int tcc_run(TCCState *s, int argc, char **argv); + +/* do all relocations (needed before using tcc_get_symbol()). Return + non zero if link error. */ +int tcc_relocate(TCCState *s); + +/* return symbol value. return 0 if OK, -1 if symbol not found */ +int tcc_get_symbol(TCCState *s, unsigned long *pval, const char *name); + +#ifdef __cplusplus +} +#endif + +#endif +//--------------------------------------------------------------------------- + +/* parser debug */ +//#define PARSE_DEBUG +/* preprocessor debug */ +//#define PP_DEBUG +/* include file debug */ +//#define INC_DEBUG + +//#define MEM_DEBUG + +/* assembler debug */ +//#define ASM_DEBUG + +/* target selection */ +//#define TCC_TARGET_I386 /* i386 code generator */ +//#define TCC_TARGET_ARM /* ARMv4 code generator */ +//#define TCC_TARGET_C67 /* TMS320C67xx code generator */ + +/* default target is I386 */ +#if !defined(TCC_TARGET_I386) && !defined(TCC_TARGET_ARM) && \ + !defined(TCC_TARGET_C67) +#define TCC_TARGET_I386 +#endif + +#if !defined(WIN32) && !defined(TCC_UCLIBC) && !defined(TCC_TARGET_ARM) && \ + !defined(TCC_TARGET_C67) +#define CONFIG_TCC_BCHECK /* enable bound checking code */ +#endif + +#if defined(WIN32) && !defined(TCC_TARGET_PE) +#define CONFIG_TCC_STATIC +#endif + +/* define it to include assembler support */ +#if !defined(TCC_TARGET_ARM) && !defined(TCC_TARGET_C67) +#define CONFIG_TCC_ASM +#endif + +/* object format selection */ +#if defined(TCC_TARGET_C67) +#define TCC_TARGET_COFF +#endif + +#define FALSE 0 +#define false 0 +#define TRUE 1 +#define true 1 +typedef int BOOL; + +/* path to find crt1.o, crti.o and crtn.o. Only needed when generating + executables or dlls */ +#define CONFIG_TCC_CRT_PREFIX "/usr/lib" + +#define INCLUDE_STACK_SIZE 32 +#define IFDEF_STACK_SIZE 64 +#define VSTACK_SIZE 256 +#define STRING_MAX_SIZE 1024 +#define PACK_STACK_SIZE 8 + +#define TOK_HASH_SIZE 8192 /* must be a power of two */ +#define TOK_ALLOC_INCR 512 /* must be a power of two */ +#define TOK_MAX_SIZE 4 /* token max size in int unit when stored in string */ + +/* token symbol management */ +typedef struct TokenSym { + struct TokenSym *hash_next; + struct Sym *sym_define; /* direct pointer to define */ + struct Sym *sym_label; /* direct pointer to label */ + struct Sym *sym_struct; /* direct pointer to structure */ + struct Sym *sym_identifier; /* direct pointer to identifier */ + int tok; /* token number */ + int len; + char str[1]; +} TokenSym; + +typedef struct CString { + int size; /* size in bytes */ + void *data; /* either 'char *' or 'int *' */ + int size_allocated; + void *data_allocated; /* if non NULL, data has been malloced */ +} CString; + +/* type definition */ +typedef struct CType { + int t; + struct Sym *ref; +} CType; + +/* constant value */ +typedef union CValue { + long double ld; + double d; + float f; + int i; + unsigned int ui; + unsigned int ul; /* address (should be unsigned long on 64 bit cpu) */ + long long ll; + unsigned long long ull; + struct CString *cstr; + void *ptr; + int tab[1]; +} CValue; + +/* value on stack */ +typedef struct SValue { + CType type; /* type */ + unsigned short r; /* register + flags */ + unsigned short r2; /* second register, used for 'long long' + type. If not used, set to VT_CONST */ + CValue c; /* constant, if VT_CONST */ + struct Sym *sym; /* symbol, if (VT_SYM | VT_CONST) */ +} SValue; + +/* symbol management */ +typedef struct Sym { + int v; /* symbol token */ + int r; /* associated register */ + int c; /* associated number */ + CType type; /* associated type */ + struct Sym *next; /* next related symbol */ + struct Sym *prev; /* prev symbol in stack */ + struct Sym *prev_tok; /* previous symbol for this token */ +} Sym; + +/* section definition */ +/* XXX: use directly ELF structure for parameters ? */ +/* special flag to indicate that the section should not be linked to + the other ones */ +#define SHF_PRIVATE 0x80000000 + +typedef struct Section { + unsigned long data_offset; /* current data offset */ + unsigned char *data; /* section data */ + unsigned long data_allocated; /* used for realloc() handling */ + int sh_name; /* elf section name (only used during output) */ + int sh_num; /* elf section number */ + int sh_type; /* elf section type */ + int sh_flags; /* elf section flags */ + int sh_info; /* elf section info */ + int sh_addralign; /* elf section alignment */ + int sh_entsize; /* elf entry size */ + unsigned long sh_size; /* section size (only used during output) */ + unsigned long sh_addr; /* address at which the section is relocated */ + unsigned long sh_offset; /* address at which the section is relocated */ + int nb_hashed_syms; /* used to resize the hash table */ + struct Section *link; /* link to another section */ + struct Section *reloc; /* corresponding section for relocation, if any */ + struct Section *hash; /* hash table for symbols */ + struct Section *next; + char name[1]; /* section name */ +} Section; + +typedef struct DLLReference { + int level; + char name[1]; +} DLLReference; + +/* GNUC attribute definition */ +typedef struct AttributeDef { + int aligned; + int packed; + Section *section; + unsigned char func_call; /* FUNC_CDECL, FUNC_STDCALL, FUNC_FASTCALLx */ + unsigned char dllexport; +} AttributeDef; + +#define SYM_STRUCT 0x40000000 /* struct/union/enum symbol space */ +#define SYM_FIELD 0x20000000 /* struct/union field symbol space */ +#define SYM_FIRST_ANOM 0x10000000 /* first anonymous sym */ + +/* stored in 'Sym.c' field */ +#define FUNC_NEW 1 /* ansi function prototype */ +#define FUNC_OLD 2 /* old function prototype */ +#define FUNC_ELLIPSIS 3 /* ansi function prototype with ... */ + +/* stored in 'Sym.r' field */ +#define FUNC_CDECL 0 /* standard c call */ +#define FUNC_STDCALL 1 /* pascal c call */ +#define FUNC_FASTCALL1 2 /* first param in %eax */ +#define FUNC_FASTCALL2 3 /* first parameters in %eax, %edx */ +#define FUNC_FASTCALL3 4 /* first parameter in %eax, %edx, %ecx */ + +/* field 'Sym.t' for macros */ +#define MACRO_OBJ 0 /* object like macro */ +#define MACRO_FUNC 1 /* function like macro */ + +/* field 'Sym.r' for C labels */ +#define LABEL_DEFINED 0 /* label is defined */ +#define LABEL_FORWARD 1 /* label is forward defined */ +#define LABEL_DECLARED 2 /* label is declared but never used */ + +/* type_decl() types */ +#define TYPE_ABSTRACT 1 /* type without variable */ +#define TYPE_DIRECT 2 /* type with variable */ + +#define IO_BUF_SIZE 8192 + +typedef struct BufferedFile { + uint8_t *buf_ptr; + uint8_t *buf_end; + int fd; + int line_num; /* current line number - here to simplify code */ + int ifndef_macro; /* #ifndef macro / #endif search */ + int ifndef_macro_saved; /* saved ifndef_macro */ + int *ifdef_stack_ptr; /* ifdef_stack value at the start of the file */ + char inc_type; /* type of include */ + char inc_filename[512]; /* filename specified by the user */ + char filename[1024]; /* current filename - here to simplify code */ + unsigned char buffer[IO_BUF_SIZE + 1]; /* extra size for CH_EOB char */ +} BufferedFile; + +#define CH_EOB '\\' /* end of buffer or '\0' char in file */ +#define CH_EOF (-1) /* end of file */ + +/* parsing state (used to save parser state to reparse part of the + source several times) */ +typedef struct ParseState { + int *macro_ptr; + int line_num; + int tok; + CValue tokc; +} ParseState; + +/* used to record tokens */ +typedef struct TokenString { + int *str; + int len; + int allocated_len; + int last_line_num; +} TokenString; + +/* include file cache, used to find files faster and also to eliminate + inclusion if the include file is protected by #ifndef ... #endif */ +typedef struct CachedInclude { + int ifndef_macro; + int hash_next; /* -1 if none */ + char type; /* '"' or '>' to give include type */ + char filename[1]; /* path specified in #include */ +} CachedInclude; + +#define CACHED_INCLUDES_HASH_SIZE 512 + +/* parser */ +static struct BufferedFile *file; +static int ch, tok; +static CValue tokc; +static CString tokcstr; /* current parsed string, if any */ +/* additional informations about token */ +static int tok_flags; +#define TOK_FLAG_BOL 0x0001 /* beginning of line before */ +#define TOK_FLAG_BOF 0x0002 /* beginning of file before */ +#define TOK_FLAG_ENDIF 0x0004 /* a endif was found matching starting #ifdef */ + +static int *macro_ptr, *macro_ptr_allocated; +static int *unget_saved_macro_ptr; +static int unget_saved_buffer[TOK_MAX_SIZE + 1]; +static int unget_buffer_enabled; +static int parse_flags; +#define PARSE_FLAG_PREPROCESS 0x0001 /* activate preprocessing */ +#define PARSE_FLAG_TOK_NUM 0x0002 /* return numbers instead of TOK_PPNUM */ +#define PARSE_FLAG_LINEFEED 0x0004 /* line feed is returned as a + token. line feed is also + returned at eof */ +#define PARSE_FLAG_ASM_COMMENTS 0x0008 /* '#' can be used for line comment */ + +static Section *text_section, *data_section, *bss_section; /* predefined sections */ +static Section *cur_text_section; /* current section where function code is + generated */ +#ifdef CONFIG_TCC_ASM +static Section *last_text_section; /* to handle .previous asm directive */ +#endif +/* bound check related sections */ +static Section *bounds_section; /* contains global data bound description */ +static Section *lbounds_section; /* contains local data bound description */ +/* symbol sections */ +static Section *symtab_section, *strtab_section; + +/* debug sections */ +static Section *stab_section, *stabstr_section; + +/* loc : local variable index + ind : output code index + rsym: return symbol + anon_sym: anonymous symbol index +*/ +static int rsym, anon_sym, ind, loc; +/* expression generation modifiers */ +static int const_wanted; /* true if constant wanted */ +static int nocode_wanted; /* true if no code generation wanted for an expression */ +static int global_expr; /* true if compound literals must be allocated + globally (used during initializers parsing */ +static CType func_vt; /* current function return type (used by return + instruction) */ +static int func_vc; +static int last_line_num, last_ind, func_ind; /* debug last line number and pc */ +static int tok_ident; +static TokenSym **table_ident; +static TokenSym *hash_ident[TOK_HASH_SIZE]; +static char token_buf[STRING_MAX_SIZE + 1]; +static char *funcname; +static Sym *global_stack, *local_stack; +static Sym *define_stack; +static Sym *global_label_stack, *local_label_stack; +/* symbol allocator */ +#define SYM_POOL_NB (8192 / sizeof(Sym)) +static Sym *sym_free_first; + +static SValue vstack[VSTACK_SIZE], *vtop; +/* some predefined types */ +static CType char_pointer_type, func_old_type, int_type; +/* true if isid(c) || isnum(c) */ +static unsigned char isidnum_table[256]; + +/* compile with debug symbol (and use them if error during execution) */ +static int do_debug = 0; + +/* compile with built-in memory and bounds checker */ +static int do_bounds_check = 0; + +/* display benchmark infos */ +#if !defined(LIBTCC) +static int do_bench = 0; +#endif +static int total_lines; +static int total_bytes; + +/* use GNU C extensions */ +static int gnu_ext = 1; + +/* use Tiny C extensions */ +static int tcc_ext = 1; + +/* max number of callers shown if error */ +static int num_callers = 6; +static const char **rt_bound_error_msg; + +/* XXX: get rid of this ASAP */ +static struct TCCState *tcc_state; + +/* give the path of the tcc libraries */ +static const char *tcc_lib_path = CONFIG_TCCDIR; + +struct TCCState { + int output_type; + + BufferedFile **include_stack_ptr; + int *ifdef_stack_ptr; + + /* include file handling */ + char **include_paths; + int nb_include_paths; + char **sysinclude_paths; + int nb_sysinclude_paths; + CachedInclude **cached_includes; + int nb_cached_includes; + + char **library_paths; + int nb_library_paths; + + /* array of all loaded dlls (including those referenced by loaded + dlls) */ + DLLReference **loaded_dlls; + int nb_loaded_dlls; + + /* sections */ + Section **sections; + int nb_sections; /* number of sections, including first dummy section */ + + /* got handling */ + Section *got; + Section *plt; + unsigned long *got_offsets; + int nb_got_offsets; + /* give the correspondance from symtab indexes to dynsym indexes */ + int *symtab_to_dynsym; + + /* temporary dynamic symbol sections (for dll loading) */ + Section *dynsymtab_section; + /* exported dynamic symbol section */ + Section *dynsym; + + int nostdinc; /* if true, no standard headers are added */ + int nostdlib; /* if true, no standard libraries are added */ + + int nocommon; /* if true, do not use common symbols for .bss data */ + + /* if true, static linking is performed */ + int static_link; + + /* if true, all symbols are exported */ + int rdynamic; + + /* if true, only link in referenced objects from archive */ + int alacarte_link; + + /* address of text section */ + unsigned long text_addr; + int has_text_addr; + + /* output format, see TCC_OUTPUT_FORMAT_xxx */ + int output_format; + + /* C language options */ + int char_is_unsigned; + int leading_underscore; + + /* warning switches */ + int warn_write_strings; + int warn_unsupported; + int warn_error; + int warn_none; + int warn_implicit_function_declaration; + + /* error handling */ + void *error_opaque; + void (*error_func)(void *opaque, const char *msg); + int error_set_jmp_enabled; + jmp_buf error_jmp_buf; + int nb_errors; + + /* tiny assembler state */ + Sym *asm_labels; + + /* see include_stack_ptr */ + BufferedFile *include_stack[INCLUDE_STACK_SIZE]; + + /* see ifdef_stack_ptr */ + int ifdef_stack[IFDEF_STACK_SIZE]; + + /* see cached_includes */ + int cached_includes_hash[CACHED_INCLUDES_HASH_SIZE]; + + /* pack stack */ + int pack_stack[PACK_STACK_SIZE]; + int *pack_stack_ptr; +}; + +/* The current value can be: */ +#define VT_VALMASK 0x00ff +#define VT_CONST 0x00f0 /* constant in vc + (must be first non register value) */ +#define VT_LLOCAL 0x00f1 /* lvalue, offset on stack */ +#define VT_LOCAL 0x00f2 /* offset on stack */ +#define VT_CMP 0x00f3 /* the value is stored in processor flags (in vc) */ +#define VT_JMP 0x00f4 /* value is the consequence of jmp true (even) */ +#define VT_JMPI 0x00f5 /* value is the consequence of jmp false (odd) */ +#define VT_LVAL 0x0100 /* var is an lvalue */ +#define VT_SYM 0x0200 /* a symbol value is added */ +#define VT_MUSTCAST 0x0400 /* value must be casted to be correct (used for + char/short stored in integer registers) */ +#define VT_MUSTBOUND 0x0800 /* bound checking must be done before + dereferencing value */ +#define VT_BOUNDED 0x8000 /* value is bounded. The address of the + bounding function call point is in vc */ +#define VT_LVAL_BYTE 0x1000 /* lvalue is a byte */ +#define VT_LVAL_SHORT 0x2000 /* lvalue is a short */ +#define VT_LVAL_UNSIGNED 0x4000 /* lvalue is unsigned */ +#define VT_LVAL_TYPE (VT_LVAL_BYTE | VT_LVAL_SHORT | VT_LVAL_UNSIGNED) + +/* types */ +#define VT_INT 0 /* integer type */ +#define VT_BYTE 1 /* signed byte type */ +#define VT_SHORT 2 /* short type */ +#define VT_VOID 3 /* void type */ +#define VT_PTR 4 /* pointer */ +#define VT_ENUM 5 /* enum definition */ +#define VT_FUNC 6 /* function type */ +#define VT_STRUCT 7 /* struct/union definition */ +#define VT_FLOAT 8 /* IEEE float */ +#define VT_DOUBLE 9 /* IEEE double */ +#define VT_LDOUBLE 10 /* IEEE long double */ +#define VT_BOOL 11 /* ISOC99 boolean type */ +#define VT_LLONG 12 /* 64 bit integer */ +#define VT_LONG 13 /* long integer (NEVER USED as type, only + during parsing) */ +#define VT_BTYPE 0x000f /* mask for basic type */ +#define VT_UNSIGNED 0x0010 /* unsigned type */ +#define VT_ARRAY 0x0020 /* array type (also has VT_PTR) */ +#define VT_BITFIELD 0x0040 /* bitfield modifier */ +#define VT_CONSTANT 0x0800 /* const modifier */ +#define VT_VOLATILE 0x1000 /* volatile modifier */ +#define VT_SIGNED 0x2000 /* signed type */ + +/* storage */ +#define VT_EXTERN 0x00000080 /* extern definition */ +#define VT_STATIC 0x00000100 /* static variable */ +#define VT_TYPEDEF 0x00000200 /* typedef definition */ +#define VT_INLINE 0x00000400 /* inline definition */ + +#define VT_STRUCT_SHIFT 16 /* shift for bitfield shift values */ + +/* type mask (except storage) */ +#define VT_STORAGE (VT_EXTERN | VT_STATIC | VT_TYPEDEF | VT_INLINE) +#define VT_TYPE (~(VT_STORAGE)) + +/* token values */ + +/* warning: the following compare tokens depend on i386 asm code */ +#define TOK_ULT 0x92 +#define TOK_UGE 0x93 +#define TOK_EQ 0x94 +#define TOK_NE 0x95 +#define TOK_ULE 0x96 +#define TOK_UGT 0x97 +#define TOK_LT 0x9c +#define TOK_GE 0x9d +#define TOK_LE 0x9e +#define TOK_GT 0x9f + +#define TOK_LAND 0xa0 +#define TOK_LOR 0xa1 + +#define TOK_DEC 0xa2 +#define TOK_MID 0xa3 /* inc/dec, to void constant */ +#define TOK_INC 0xa4 +#define TOK_UDIV 0xb0 /* unsigned division */ +#define TOK_UMOD 0xb1 /* unsigned modulo */ +#define TOK_PDIV 0xb2 /* fast division with undefined rounding for pointers */ +#define TOK_CINT 0xb3 /* number in tokc */ +#define TOK_CCHAR 0xb4 /* char constant in tokc */ +#define TOK_STR 0xb5 /* pointer to string in tokc */ +#define TOK_TWOSHARPS 0xb6 /* ## preprocessing token */ +#define TOK_LCHAR 0xb7 +#define TOK_LSTR 0xb8 +#define TOK_CFLOAT 0xb9 /* float constant */ +#define TOK_LINENUM 0xba /* line number info */ +#define TOK_CDOUBLE 0xc0 /* double constant */ +#define TOK_CLDOUBLE 0xc1 /* long double constant */ +#define TOK_UMULL 0xc2 /* unsigned 32x32 -> 64 mul */ +#define TOK_ADDC1 0xc3 /* add with carry generation */ +#define TOK_ADDC2 0xc4 /* add with carry use */ +#define TOK_SUBC1 0xc5 /* add with carry generation */ +#define TOK_SUBC2 0xc6 /* add with carry use */ +#define TOK_CUINT 0xc8 /* unsigned int constant */ +#define TOK_CLLONG 0xc9 /* long long constant */ +#define TOK_CULLONG 0xca /* unsigned long long constant */ +#define TOK_ARROW 0xcb +#define TOK_DOTS 0xcc /* three dots */ +#define TOK_SHR 0xcd /* unsigned shift right */ +#define TOK_PPNUM 0xce /* preprocessor number */ + +#define TOK_SHL 0x01 /* shift left */ +#define TOK_SAR 0x02 /* signed shift right */ + +/* assignement operators : normal operator or 0x80 */ +#define TOK_A_MOD 0xa5 +#define TOK_A_AND 0xa6 +#define TOK_A_MUL 0xaa +#define TOK_A_ADD 0xab +#define TOK_A_SUB 0xad +#define TOK_A_DIV 0xaf +#define TOK_A_XOR 0xde +#define TOK_A_OR 0xfc +#define TOK_A_SHL 0x81 +#define TOK_A_SAR 0x82 + +#ifndef offsetof +#define offsetof(type, field) ((size_t) &((type *)0)->field) +#endif + +#ifndef countof +#define countof(tab) (sizeof(tab) / sizeof((tab)[0])) +#endif + +/* WARNING: the content of this string encodes token numbers */ +static char tok_two_chars[] = "<=\236>=\235!=\225&&\240||\241++\244--\242==\224<<\1>>\2+=\253-=\255*=\252/=\257%=\245&=\246^=\336|=\374->\313..\250##\266"; + +#define TOK_EOF (-1) /* end of file */ +#define TOK_LINEFEED 10 /* line feed */ + +/* all identificators and strings have token above that */ +#define TOK_IDENT 256 + +/* only used for i386 asm opcodes definitions */ +#define DEF_ASM(x) DEF(TOK_ASM_ ## x, #x) + +#define DEF_BWL(x) \ + DEF(TOK_ASM_ ## x ## b, #x "b") \ + DEF(TOK_ASM_ ## x ## w, #x "w") \ + DEF(TOK_ASM_ ## x ## l, #x "l") \ + DEF(TOK_ASM_ ## x, #x) + +#define DEF_WL(x) \ + DEF(TOK_ASM_ ## x ## w, #x "w") \ + DEF(TOK_ASM_ ## x ## l, #x "l") \ + DEF(TOK_ASM_ ## x, #x) + +#define DEF_FP1(x) \ + DEF(TOK_ASM_ ## f ## x ## s, "f" #x "s") \ + DEF(TOK_ASM_ ## fi ## x ## l, "fi" #x "l") \ + DEF(TOK_ASM_ ## f ## x ## l, "f" #x "l") \ + DEF(TOK_ASM_ ## fi ## x ## s, "fi" #x "s") + +#define DEF_FP(x) \ + DEF(TOK_ASM_ ## f ## x, "f" #x ) \ + DEF(TOK_ASM_ ## f ## x ## p, "f" #x "p") \ + DEF_FP1(x) + +#define DEF_ASMTEST(x) \ + DEF_ASM(x ## o) \ + DEF_ASM(x ## no) \ + DEF_ASM(x ## b) \ + DEF_ASM(x ## c) \ + DEF_ASM(x ## nae) \ + DEF_ASM(x ## nb) \ + DEF_ASM(x ## nc) \ + DEF_ASM(x ## ae) \ + DEF_ASM(x ## e) \ + DEF_ASM(x ## z) \ + DEF_ASM(x ## ne) \ + DEF_ASM(x ## nz) \ + DEF_ASM(x ## be) \ + DEF_ASM(x ## na) \ + DEF_ASM(x ## nbe) \ + DEF_ASM(x ## a) \ + DEF_ASM(x ## s) \ + DEF_ASM(x ## ns) \ + DEF_ASM(x ## p) \ + DEF_ASM(x ## pe) \ + DEF_ASM(x ## np) \ + DEF_ASM(x ## po) \ + DEF_ASM(x ## l) \ + DEF_ASM(x ## nge) \ + DEF_ASM(x ## nl) \ + DEF_ASM(x ## ge) \ + DEF_ASM(x ## le) \ + DEF_ASM(x ## ng) \ + DEF_ASM(x ## nle) \ + DEF_ASM(x ## g) + +#define TOK_ASM_int TOK_INT + +enum tcc_token { + TOK_LAST = TOK_IDENT - 1, +#define DEF(id, str) id, +// njn: inlined tcctok.h +//#include "tcctok.h" +//--------------------------------------------------------------------------- +/* keywords */ + DEF(TOK_INT, "int") + DEF(TOK_VOID, "void") + DEF(TOK_CHAR, "char") + DEF(TOK_IF, "if") + DEF(TOK_ELSE, "else") + DEF(TOK_WHILE, "while") + DEF(TOK_BREAK, "break") + DEF(TOK_RETURN, "return") + DEF(TOK_FOR, "for") + DEF(TOK_EXTERN, "extern") + DEF(TOK_STATIC, "static") + DEF(TOK_UNSIGNED, "unsigned") + DEF(TOK_GOTO, "goto") + DEF(TOK_DO, "do") + DEF(TOK_CONTINUE, "continue") + DEF(TOK_SWITCH, "switch") + DEF(TOK_CASE, "case") + + DEF(TOK_CONST1, "const") + DEF(TOK_CONST2, "__const") /* gcc keyword */ + DEF(TOK_CONST3, "__const__") /* gcc keyword */ + DEF(TOK_VOLATILE1, "volatile") + DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */ + DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */ + DEF(TOK_LONG, "long") + DEF(TOK_REGISTER, "register") + DEF(TOK_SIGNED1, "signed") + DEF(TOK_SIGNED2, "__signed") /* gcc keyword */ + DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */ + DEF(TOK_AUTO, "auto") + DEF(TOK_INLINE1, "inline") + DEF(TOK_INLINE2, "__inline") /* gcc keyword */ + DEF(TOK_INLINE3, "__inline__") /* gcc keyword */ + DEF(TOK_RESTRICT1, "restrict") + DEF(TOK_RESTRICT2, "__restrict") + DEF(TOK_RESTRICT3, "__restrict__") + DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */ + + DEF(TOK_FLOAT, "float") + DEF(TOK_DOUBLE, "double") + DEF(TOK_BOOL, "_Bool") + DEF(TOK_SHORT, "short") + DEF(TOK_STRUCT, "struct") + DEF(TOK_UNION, "union") + DEF(TOK_TYPEDEF, "typedef") + DEF(TOK_DEFAULT, "default") + DEF(TOK_ENUM, "enum") + DEF(TOK_SIZEOF, "sizeof") + DEF(TOK_ATTRIBUTE1, "__attribute") + DEF(TOK_ATTRIBUTE2, "__attribute__") + DEF(TOK_ALIGNOF1, "__alignof") + DEF(TOK_ALIGNOF2, "__alignof__") + DEF(TOK_TYPEOF1, "typeof") + DEF(TOK_TYPEOF2, "__typeof") + DEF(TOK_TYPEOF3, "__typeof__") + DEF(TOK_LABEL, "__label__") + DEF(TOK_ASM1, "asm") + DEF(TOK_ASM2, "__asm") + DEF(TOK_ASM3, "__asm__") + +/*********************************************************************/ +/* the following are not keywords. They are included to ease parsing */ +/* preprocessor only */ + DEF(TOK_DEFINE, "define") + DEF(TOK_INCLUDE, "include") + DEF(TOK_INCLUDE_NEXT, "include_next") + DEF(TOK_IFDEF, "ifdef") + DEF(TOK_IFNDEF, "ifndef") + DEF(TOK_ELIF, "elif") + DEF(TOK_ENDIF, "endif") + DEF(TOK_DEFINED, "defined") + DEF(TOK_UNDEF, "undef") + DEF(TOK_ERROR, "error") + DEF(TOK_WARNING, "warning") + DEF(TOK_LINE, "line") + DEF(TOK_PRAGMA, "pragma") + DEF(TOK___LINE__, "__LINE__") + DEF(TOK___FILE__, "__FILE__") + DEF(TOK___DATE__, "__DATE__") + DEF(TOK___TIME__, "__TIME__") + DEF(TOK___FUNCTION__, "__FUNCTION__") + DEF(TOK___VA_ARGS__, "__VA_ARGS__") + +/* special identifiers */ + DEF(TOK___FUNC__, "__func__") + +/* attribute identifiers */ +/* XXX: handle all tokens generically since speed is not critical */ + DEF(TOK_SECTION1, "section") + DEF(TOK_SECTION2, "__section__") + DEF(TOK_ALIGNED1, "aligned") + DEF(TOK_ALIGNED2, "__aligned__") + DEF(TOK_PACKED1, "packed") + DEF(TOK_PACKED2, "__packed__") + DEF(TOK_UNUSED1, "unused") + DEF(TOK_UNUSED2, "__unused__") + DEF(TOK_CDECL1, "cdecl") + DEF(TOK_CDECL2, "__cdecl") + DEF(TOK_CDECL3, "__cdecl__") + DEF(TOK_STDCALL1, "stdcall") + DEF(TOK_STDCALL2, "__stdcall") + DEF(TOK_STDCALL3, "__stdcall__") + DEF(TOK_DLLEXPORT, "dllexport") + DEF(TOK_NORETURN1, "noreturn") + DEF(TOK_NORETURN2, "__noreturn__") + DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p") + DEF(TOK_builtin_constant_p, "__builtin_constant_p") + DEF(TOK_REGPARM1, "regparm") + DEF(TOK_REGPARM2, "__regparm__") + +/* pragma */ + DEF(TOK_pack, "pack") +#if !defined(TCC_TARGET_I386) + /* already defined for assembler */ + DEF(TOK_ASM_push, "push") + DEF(TOK_ASM_pop, "pop") +#endif + +/* builtin functions or variables */ + DEF(TOK_memcpy, "memcpy") + DEF(TOK_memset, "memset") + DEF(TOK_alloca, "alloca") + DEF(TOK___divdi3, "__divdi3") + DEF(TOK___moddi3, "__moddi3") + DEF(TOK___udivdi3, "__udivdi3") + DEF(TOK___umoddi3, "__umoddi3") +#if defined(TCC_TARGET_ARM) + DEF(TOK___divsi3, "__divsi3") + DEF(TOK___modsi3, "__modsi3") + DEF(TOK___udivsi3, "__udivsi3") + DEF(TOK___umodsi3, "__umodsi3") + DEF(TOK___sardi3, "__ashrdi3") + DEF(TOK___shrdi3, "__lshrdi3") + DEF(TOK___shldi3, "__ashldi3") + DEF(TOK___slltold, "__slltold") + DEF(TOK___fixunssfsi, "__fixunssfsi") + DEF(TOK___fixunsdfsi, "__fixunsdfsi") + DEF(TOK___fixunsxfsi, "__fixunsxfsi") + DEF(TOK___fixsfdi, "__fixsfdi") + DEF(TOK___fixdfdi, "__fixdfdi") + DEF(TOK___fixxfdi, "__fixxfdi") +#elif defined(TCC_TARGET_C67) + DEF(TOK__divi, "_divi") + DEF(TOK__divu, "_divu") + DEF(TOK__divf, "_divf") + DEF(TOK__divd, "_divd") + DEF(TOK__remi, "_remi") + DEF(TOK__remu, "_remu") + DEF(TOK___sardi3, "__sardi3") + DEF(TOK___shrdi3, "__shrdi3") + DEF(TOK___shldi3, "__shldi3") +#else + /* XXX: same names on i386 ? */ + DEF(TOK___sardi3, "__sardi3") + DEF(TOK___shrdi3, "__shrdi3") + DEF(TOK___shldi3, "__shldi3") +#endif + DEF(TOK___tcc_int_fpu_control, "__tcc_int_fpu_control") + DEF(TOK___tcc_fpu_control, "__tcc_fpu_control") + DEF(TOK___ulltof, "__ulltof") + DEF(TOK___ulltod, "__ulltod") + DEF(TOK___ulltold, "__ulltold") + DEF(TOK___fixunssfdi, "__fixunssfdi") + DEF(TOK___fixunsdfdi, "__fixunsdfdi") + DEF(TOK___fixunsxfdi, "__fixunsxfdi") + DEF(TOK___chkstk, "__chkstk") + +/* bound checking symbols */ +#ifdef CONFIG_TCC_BCHECK + DEF(TOK___bound_ptr_add, "__bound_ptr_add") + DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1") + DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2") + DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4") + DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8") + DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12") + DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16") + DEF(TOK___bound_local_new, "__bound_local_new") + DEF(TOK___bound_local_delete, "__bound_local_delete") + DEF(TOK_malloc, "malloc") + DEF(TOK_free, "free") + DEF(TOK_realloc, "realloc") + DEF(TOK_memalign, "memalign") + DEF(TOK_calloc, "calloc") + DEF(TOK_memmove, "memmove") + DEF(TOK_strlen, "strlen") + DEF(TOK_strcpy, "strcpy") +#endif + +/* Tiny Assembler */ + + DEF_ASM(byte) + DEF_ASM(align) + DEF_ASM(skip) + DEF_ASM(space) + DEF_ASM(string) + DEF_ASM(asciz) + DEF_ASM(ascii) + DEF_ASM(globl) + DEF_ASM(global) + DEF_ASM(text) + DEF_ASM(data) + DEF_ASM(bss) + DEF_ASM(previous) + DEF_ASM(fill) + DEF_ASM(org) + DEF_ASM(quad) + +#ifdef TCC_TARGET_I386 + +/* WARNING: relative order of tokens is important. */ + DEF_ASM(al) + DEF_ASM(cl) + DEF_ASM(dl) + DEF_ASM(bl) + DEF_ASM(ah) + DEF_ASM(ch) + DEF_ASM(dh) + DEF_ASM(bh) + DEF_ASM(ax) + DEF_ASM(cx) + DEF_ASM(dx) + DEF_ASM(bx) + DEF_ASM(sp) + DEF_ASM(bp) + DEF_ASM(si) + DEF_ASM(di) + DEF_ASM(eax) + DEF_ASM(ecx) + DEF_ASM(edx) + DEF_ASM(ebx) + DEF_ASM(esp) + DEF_ASM(ebp) + DEF_ASM(esi) + DEF_ASM(edi) + DEF_ASM(mm0) + DEF_ASM(mm1) + DEF_ASM(mm2) + DEF_ASM(mm3) + DEF_ASM(mm4) + DEF_ASM(mm5) + DEF_ASM(mm6) + DEF_ASM(mm7) + DEF_ASM(xmm0) + DEF_ASM(xmm1) + DEF_ASM(xmm2) + DEF_ASM(xmm3) + DEF_ASM(xmm4) + DEF_ASM(xmm5) + DEF_ASM(xmm6) + DEF_ASM(xmm7) + DEF_ASM(cr0) + DEF_ASM(cr1) + DEF_ASM(cr2) + DEF_ASM(cr3) + DEF_ASM(cr4) + DEF_ASM(cr5) + DEF_ASM(cr6) + DEF_ASM(cr7) + DEF_ASM(tr0) + DEF_ASM(tr1) + DEF_ASM(tr2) + DEF_ASM(tr3) + DEF_ASM(tr4) + DEF_ASM(tr5) + DEF_ASM(tr6) + DEF_ASM(tr7) + DEF_ASM(db0) + DEF_ASM(db1) + DEF_ASM(db2) + DEF_ASM(db3) + DEF_ASM(db4) + DEF_ASM(db5) + DEF_ASM(db6) + DEF_ASM(db7) + DEF_ASM(dr0) + DEF_ASM(dr1) + DEF_ASM(dr2) + DEF_ASM(dr3) + DEF_ASM(dr4) + DEF_ASM(dr5) + DEF_ASM(dr6) + DEF_ASM(dr7) + DEF_ASM(es) + DEF_ASM(cs) + DEF_ASM(ss) + DEF_ASM(ds) + DEF_ASM(fs) + DEF_ASM(gs) + DEF_ASM(st) + + DEF_BWL(mov) + + /* generic two operands */ + DEF_BWL(add) + DEF_BWL(or) + DEF_BWL(adc) + DEF_BWL(sbb) + DEF_BWL(and) + DEF_BWL(sub) + DEF_BWL(xor) + DEF_BWL(cmp) + + /* unary ops */ + DEF_BWL(inc) + DEF_BWL(dec) + DEF_BWL(not) + DEF_BWL(neg) + DEF_BWL(mul) + DEF_BWL(imul) + DEF_BWL(div) + DEF_BWL(idiv) + + DEF_BWL(xchg) + DEF_BWL(test) + + /* shifts */ + DEF_BWL(rol) + DEF_BWL(ror) + DEF_BWL(rcl) + DEF_BWL(rcr) + DEF_BWL(shl) + DEF_BWL(shr) + DEF_BWL(sar) + + DEF_ASM(shldw) + DEF_ASM(shldl) + DEF_ASM(shld) + DEF_ASM(shrdw) + DEF_ASM(shrdl) + DEF_ASM(shrd) + + DEF_ASM(pushw) + DEF_ASM(pushl) + DEF_ASM(push) + DEF_ASM(popw) + DEF_ASM(popl) + DEF_ASM(pop) + DEF_BWL(in) + DEF_BWL(out) + + DEF_WL(movzb) + + DEF_ASM(movzwl) + DEF_ASM(movsbw) + DEF_ASM(movsbl) + DEF_ASM(movswl) + + DEF_WL(lea) + + DEF_ASM(les) + DEF_ASM(lds) + DEF_ASM(lss) + DEF_ASM(lfs) + DEF_ASM(lgs) + + DEF_ASM(call) + DEF_ASM(jmp) + DEF_ASM(lcall) + DEF_ASM(ljmp) + + DEF_ASMTEST(j) + + DEF_ASMTEST(set) + DEF_ASMTEST(cmov) + + DEF_WL(bsf) + DEF_WL(bsr) + DEF_WL(bt) + DEF_WL(bts) + DEF_WL(btr) + DEF_WL(btc) + + DEF_WL(lsl) + + /* generic FP ops */ + DEF_FP(add) + DEF_FP(mul) + + DEF_ASM(fcom) + DEF_ASM(fcom_1) /* non existant op, just to have a regular table */ + DEF_FP1(com) + + DEF_FP(comp) + DEF_FP(sub) + DEF_FP(subr) + DEF_FP(div) + DEF_FP(divr) + + DEF_BWL(xadd) + DEF_BWL(cmpxchg) + + /* string ops */ + DEF_BWL(cmps) + DEF_BWL(scmp) + DEF_BWL(ins) + DEF_BWL(outs) + DEF_BWL(lods) + DEF_BWL(slod) + DEF_BWL(movs) + DEF_BWL(smov) + DEF_BWL(scas) + DEF_BWL(ssca) + DEF_BWL(stos) + DEF_BWL(ssto) + + /* generic asm ops */ + +#define ALT(x) +#define DEF_ASM_OP0(name, opcode) DEF_ASM(name) +#define DEF_ASM_OP0L(name, opcode, group, instr_type) +#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) +#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) +#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) +// njn: inlined i386-asm.h +//#include "i386-asm.h" +//--------------------------------------------------------------------------- + DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ + DEF_ASM_OP0(popa, 0x61) + DEF_ASM_OP0(clc, 0xf8) + DEF_ASM_OP0(cld, 0xfc) + DEF_ASM_OP0(cli, 0xfa) + DEF_ASM_OP0(clts, 0x0f06) + DEF_ASM_OP0(cmc, 0xf5) + DEF_ASM_OP0(lahf, 0x9f) + DEF_ASM_OP0(sahf, 0x9e) + DEF_ASM_OP0(pushfl, 0x9c) + DEF_ASM_OP0(popfl, 0x9d) + DEF_ASM_OP0(pushf, 0x9c) + DEF_ASM_OP0(popf, 0x9d) + DEF_ASM_OP0(stc, 0xf9) + DEF_ASM_OP0(std, 0xfd) + DEF_ASM_OP0(sti, 0xfb) + DEF_ASM_OP0(aaa, 0x37) + DEF_ASM_OP0(aas, 0x3f) + DEF_ASM_OP0(daa, 0x27) + DEF_ASM_OP0(das, 0x2f) + DEF_ASM_OP0(aad, 0xd50a) + DEF_ASM_OP0(aam, 0xd40a) + DEF_ASM_OP0(cbw, 0x6698) + DEF_ASM_OP0(cwd, 0x6699) + DEF_ASM_OP0(cwde, 0x98) + DEF_ASM_OP0(cdq, 0x99) + DEF_ASM_OP0(cbtw, 0x6698) + DEF_ASM_OP0(cwtl, 0x98) + DEF_ASM_OP0(cwtd, 0x6699) + DEF_ASM_OP0(cltd, 0x99) + DEF_ASM_OP0(int3, 0xcc) + DEF_ASM_OP0(into, 0xce) + DEF_ASM_OP0(iret, 0xcf) + DEF_ASM_OP0(rsm, 0x0faa) + DEF_ASM_OP0(hlt, 0xf4) + DEF_ASM_OP0(wait, 0x9b) + DEF_ASM_OP0(nop, 0x90) + DEF_ASM_OP0(xlat, 0xd7) + + /* strings */ +ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) + + /* bits */ + +ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) + +ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + + /* prefixes */ + DEF_ASM_OP0(aword, 0x67) + DEF_ASM_OP0(addr16, 0x67) + DEF_ASM_OP0(word, 0x66) + DEF_ASM_OP0(data16, 0x66) + DEF_ASM_OP0(lock, 0xf0) + DEF_ASM_OP0(rep, 0xf3) + DEF_ASM_OP0(repe, 0xf3) + DEF_ASM_OP0(repz, 0xf3) + DEF_ASM_OP0(repne, 0xf2) + DEF_ASM_OP0(repnz, 0xf2) + + DEF_ASM_OP0(invd, 0x0f08) + DEF_ASM_OP0(wbinvd, 0x0f09) + DEF_ASM_OP0(cpuid, 0x0fa2) + DEF_ASM_OP0(wrmsr, 0x0f30) + DEF_ASM_OP0(rdtsc, 0x0f31) + DEF_ASM_OP0(rdmsr, 0x0f32) + DEF_ASM_OP0(rdpmc, 0x0f33) + DEF_ASM_OP0(ud2, 0x0f0b) + + /* NOTE: we took the same order as gas opcode definition order */ +ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) +ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) +ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) + +ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) +ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) +ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) + +ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) +ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) + +ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) +ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) +ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) + +ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) +ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) +ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) + +ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) + + /* arith */ +ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ +ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) +ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) +ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) + +ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) +ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) + + /* shifts */ +ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) + +ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) +ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) + +ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) +ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) + +ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) +ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) + DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) + DEF_ASM_OP0(leave, 0xc9) + DEF_ASM_OP0(ret, 0xc3) +ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) + DEF_ASM_OP0(lret, 0xcb) +ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) + +ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) + DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) + + /* float */ + /* specific fcomp handling */ +ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) + +ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) +ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) + + DEF_ASM_OP0(fucompp, 0xdae9) + DEF_ASM_OP0(ftst, 0xd9e4) + DEF_ASM_OP0(fxam, 0xd9e5) + DEF_ASM_OP0(fld1, 0xd9e8) + DEF_ASM_OP0(fldl2t, 0xd9e9) + DEF_ASM_OP0(fldl2e, 0xd9ea) + DEF_ASM_OP0(fldpi, 0xd9eb) + DEF_ASM_OP0(fldlg2, 0xd9ec) + DEF_ASM_OP0(fldln2, 0xd9ed) + DEF_ASM_OP0(fldz, 0xd9ee) + + DEF_ASM_OP0(f2xm1, 0xd9f0) + DEF_ASM_OP0(fyl2x, 0xd9f1) + DEF_ASM_OP0(fptan, 0xd9f2) + DEF_ASM_OP0(fpatan, 0xd9f3) + DEF_ASM_OP0(fxtract, 0xd9f4) + DEF_ASM_OP0(fprem1, 0xd9f5) + DEF_ASM_OP0(fdecstp, 0xd9f6) + DEF_ASM_OP0(fincstp, 0xd9f7) + DEF_ASM_OP0(fprem, 0xd9f8) + DEF_ASM_OP0(fyl2xp1, 0xd9f9) + DEF_ASM_OP0(fsqrt, 0xd9fa) + DEF_ASM_OP0(fsincos, 0xd9fb) + DEF_ASM_OP0(frndint, 0xd9fc) + DEF_ASM_OP0(fscale, 0xd9fd) + DEF_ASM_OP0(fsin, 0xd9fe) + DEF_ASM_OP0(fcos, 0xd9ff) + DEF_ASM_OP0(fchs, 0xd9e0) + DEF_ASM_OP0(fabs, 0xd9e1) + DEF_ASM_OP0(fninit, 0xdbe3) + DEF_ASM_OP0(fnclex, 0xdbe2) + DEF_ASM_OP0(fnop, 0xd9d0) + DEF_ASM_OP0(fwait, 0x9b) + + /* fp load */ + DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) + DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) + + /* fp store */ + DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) + + DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) + + /* exchange */ + DEF_ASM_OP0(fxch, 0xd9c9) +ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) + + /* misc FPU */ + DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) + + DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) + DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP0(fnstsw, 0xdfe0) +ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) +ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) + DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) +ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) +ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) + DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) + DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + + /* segments */ + DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) + DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) + DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) +ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) + DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) + DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) + + /* 486 */ + DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) +ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) +ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) + DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) + + DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) + DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) + + /* pentium */ + DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) + + /* pentium pro */ + ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) + + DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + /* mmx */ + DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ + DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) +ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) + DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) + DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + +#undef ALT +#undef DEF_ASM_OP0 +#undef DEF_ASM_OP0L +#undef DEF_ASM_OP1 +#undef DEF_ASM_OP2 +#undef DEF_ASM_OP3 +//--------------------------------------------------------------------------- + +#define ALT(x) +#define DEF_ASM_OP0(name, opcode) +#define DEF_ASM_OP0L(name, opcode, group, instr_type) DEF_ASM(name) +#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) DEF_ASM(name) +#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) DEF_ASM(name) +#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) DEF_ASM(name) +// njn: inlined i386-asm.h +//#include "i386-asm.h" +//--------------------------------------------------------------------------- + DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ + DEF_ASM_OP0(popa, 0x61) + DEF_ASM_OP0(clc, 0xf8) + DEF_ASM_OP0(cld, 0xfc) + DEF_ASM_OP0(cli, 0xfa) + DEF_ASM_OP0(clts, 0x0f06) + DEF_ASM_OP0(cmc, 0xf5) + DEF_ASM_OP0(lahf, 0x9f) + DEF_ASM_OP0(sahf, 0x9e) + DEF_ASM_OP0(pushfl, 0x9c) + DEF_ASM_OP0(popfl, 0x9d) + DEF_ASM_OP0(pushf, 0x9c) + DEF_ASM_OP0(popf, 0x9d) + DEF_ASM_OP0(stc, 0xf9) + DEF_ASM_OP0(std, 0xfd) + DEF_ASM_OP0(sti, 0xfb) + DEF_ASM_OP0(aaa, 0x37) + DEF_ASM_OP0(aas, 0x3f) + DEF_ASM_OP0(daa, 0x27) + DEF_ASM_OP0(das, 0x2f) + DEF_ASM_OP0(aad, 0xd50a) + DEF_ASM_OP0(aam, 0xd40a) + DEF_ASM_OP0(cbw, 0x6698) + DEF_ASM_OP0(cwd, 0x6699) + DEF_ASM_OP0(cwde, 0x98) + DEF_ASM_OP0(cdq, 0x99) + DEF_ASM_OP0(cbtw, 0x6698) + DEF_ASM_OP0(cwtl, 0x98) + DEF_ASM_OP0(cwtd, 0x6699) + DEF_ASM_OP0(cltd, 0x99) + DEF_ASM_OP0(int3, 0xcc) + DEF_ASM_OP0(into, 0xce) + DEF_ASM_OP0(iret, 0xcf) + DEF_ASM_OP0(rsm, 0x0faa) + DEF_ASM_OP0(hlt, 0xf4) + DEF_ASM_OP0(wait, 0x9b) + DEF_ASM_OP0(nop, 0x90) + DEF_ASM_OP0(xlat, 0xd7) + + /* strings */ +ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) + + /* bits */ + +ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) + +ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + + /* prefixes */ + DEF_ASM_OP0(aword, 0x67) + DEF_ASM_OP0(addr16, 0x67) + DEF_ASM_OP0(word, 0x66) + DEF_ASM_OP0(data16, 0x66) + DEF_ASM_OP0(lock, 0xf0) + DEF_ASM_OP0(rep, 0xf3) + DEF_ASM_OP0(repe, 0xf3) + DEF_ASM_OP0(repz, 0xf3) + DEF_ASM_OP0(repne, 0xf2) + DEF_ASM_OP0(repnz, 0xf2) + + DEF_ASM_OP0(invd, 0x0f08) + DEF_ASM_OP0(wbinvd, 0x0f09) + DEF_ASM_OP0(cpuid, 0x0fa2) + DEF_ASM_OP0(wrmsr, 0x0f30) + DEF_ASM_OP0(rdtsc, 0x0f31) + DEF_ASM_OP0(rdmsr, 0x0f32) + DEF_ASM_OP0(rdpmc, 0x0f33) + DEF_ASM_OP0(ud2, 0x0f0b) + + /* NOTE: we took the same order as gas opcode definition order */ +ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) +ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) +ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) + +ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) +ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) +ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) + +ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) +ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) + +ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) +ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) +ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) + +ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) +ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) +ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) + +ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) + + /* arith */ +ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ +ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) +ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) +ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) + +ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) +ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) + + /* shifts */ +ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) + +ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) +ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) + +ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) +ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) + +ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) +ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) + DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) + DEF_ASM_OP0(leave, 0xc9) + DEF_ASM_OP0(ret, 0xc3) +ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) + DEF_ASM_OP0(lret, 0xcb) +ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) + +ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) + DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) + + /* float */ + /* specific fcomp handling */ +ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) + +ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) +ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) + + DEF_ASM_OP0(fucompp, 0xdae9) + DEF_ASM_OP0(ftst, 0xd9e4) + DEF_ASM_OP0(fxam, 0xd9e5) + DEF_ASM_OP0(fld1, 0xd9e8) + DEF_ASM_OP0(fldl2t, 0xd9e9) + DEF_ASM_OP0(fldl2e, 0xd9ea) + DEF_ASM_OP0(fldpi, 0xd9eb) + DEF_ASM_OP0(fldlg2, 0xd9ec) + DEF_ASM_OP0(fldln2, 0xd9ed) + DEF_ASM_OP0(fldz, 0xd9ee) + + DEF_ASM_OP0(f2xm1, 0xd9f0) + DEF_ASM_OP0(fyl2x, 0xd9f1) + DEF_ASM_OP0(fptan, 0xd9f2) + DEF_ASM_OP0(fpatan, 0xd9f3) + DEF_ASM_OP0(fxtract, 0xd9f4) + DEF_ASM_OP0(fprem1, 0xd9f5) + DEF_ASM_OP0(fdecstp, 0xd9f6) + DEF_ASM_OP0(fincstp, 0xd9f7) + DEF_ASM_OP0(fprem, 0xd9f8) + DEF_ASM_OP0(fyl2xp1, 0xd9f9) + DEF_ASM_OP0(fsqrt, 0xd9fa) + DEF_ASM_OP0(fsincos, 0xd9fb) + DEF_ASM_OP0(frndint, 0xd9fc) + DEF_ASM_OP0(fscale, 0xd9fd) + DEF_ASM_OP0(fsin, 0xd9fe) + DEF_ASM_OP0(fcos, 0xd9ff) + DEF_ASM_OP0(fchs, 0xd9e0) + DEF_ASM_OP0(fabs, 0xd9e1) + DEF_ASM_OP0(fninit, 0xdbe3) + DEF_ASM_OP0(fnclex, 0xdbe2) + DEF_ASM_OP0(fnop, 0xd9d0) + DEF_ASM_OP0(fwait, 0x9b) + + /* fp load */ + DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) + DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) + + /* fp store */ + DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) + + DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) + + /* exchange */ + DEF_ASM_OP0(fxch, 0xd9c9) +ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) + + /* misc FPU */ + DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) + + DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) + DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP0(fnstsw, 0xdfe0) +ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) +ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) + DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) +ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) +ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) + DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) + DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + + /* segments */ + DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) + DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) + DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) +ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) + DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) + DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) + + /* 486 */ + DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) +ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) +ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) + DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) + + DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) + DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) + + /* pentium */ + DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) + + /* pentium pro */ + ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) + + DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + /* mmx */ + DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ + DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) +ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) + DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) + DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + +#undef ALT +#undef DEF_ASM_OP0 +#undef DEF_ASM_OP0L +#undef DEF_ASM_OP1 +#undef DEF_ASM_OP2 +#undef DEF_ASM_OP3 +//--------------------------------------------------------------------------- + +#endif +//--------------------------------------------------------------------------- +#undef DEF +}; + +static const char tcc_keywords[] = +#define DEF(id, str) str "\0" +// njn: inlined tcctok.h +//#include "tcctok.h" +//--------------------------------------------------------------------------- +/* keywords */ + DEF(TOK_INT, "int") + DEF(TOK_VOID, "void") + DEF(TOK_CHAR, "char") + DEF(TOK_IF, "if") + DEF(TOK_ELSE, "else") + DEF(TOK_WHILE, "while") + DEF(TOK_BREAK, "break") + DEF(TOK_RETURN, "return") + DEF(TOK_FOR, "for") + DEF(TOK_EXTERN, "extern") + DEF(TOK_STATIC, "static") + DEF(TOK_UNSIGNED, "unsigned") + DEF(TOK_GOTO, "goto") + DEF(TOK_DO, "do") + DEF(TOK_CONTINUE, "continue") + DEF(TOK_SWITCH, "switch") + DEF(TOK_CASE, "case") + + DEF(TOK_CONST1, "const") + DEF(TOK_CONST2, "__const") /* gcc keyword */ + DEF(TOK_CONST3, "__const__") /* gcc keyword */ + DEF(TOK_VOLATILE1, "volatile") + DEF(TOK_VOLATILE2, "__volatile") /* gcc keyword */ + DEF(TOK_VOLATILE3, "__volatile__") /* gcc keyword */ + DEF(TOK_LONG, "long") + DEF(TOK_REGISTER, "register") + DEF(TOK_SIGNED1, "signed") + DEF(TOK_SIGNED2, "__signed") /* gcc keyword */ + DEF(TOK_SIGNED3, "__signed__") /* gcc keyword */ + DEF(TOK_AUTO, "auto") + DEF(TOK_INLINE1, "inline") + DEF(TOK_INLINE2, "__inline") /* gcc keyword */ + DEF(TOK_INLINE3, "__inline__") /* gcc keyword */ + DEF(TOK_RESTRICT1, "restrict") + DEF(TOK_RESTRICT2, "__restrict") + DEF(TOK_RESTRICT3, "__restrict__") + DEF(TOK_EXTENSION, "__extension__") /* gcc keyword */ + + DEF(TOK_FLOAT, "float") + DEF(TOK_DOUBLE, "double") + DEF(TOK_BOOL, "_Bool") + DEF(TOK_SHORT, "short") + DEF(TOK_STRUCT, "struct") + DEF(TOK_UNION, "union") + DEF(TOK_TYPEDEF, "typedef") + DEF(TOK_DEFAULT, "default") + DEF(TOK_ENUM, "enum") + DEF(TOK_SIZEOF, "sizeof") + DEF(TOK_ATTRIBUTE1, "__attribute") + DEF(TOK_ATTRIBUTE2, "__attribute__") + DEF(TOK_ALIGNOF1, "__alignof") + DEF(TOK_ALIGNOF2, "__alignof__") + DEF(TOK_TYPEOF1, "typeof") + DEF(TOK_TYPEOF2, "__typeof") + DEF(TOK_TYPEOF3, "__typeof__") + DEF(TOK_LABEL, "__label__") + DEF(TOK_ASM1, "asm") + DEF(TOK_ASM2, "__asm") + DEF(TOK_ASM3, "__asm__") + +/*********************************************************************/ +/* the following are not keywords. They are included to ease parsing */ +/* preprocessor only */ + DEF(TOK_DEFINE, "define") + DEF(TOK_INCLUDE, "include") + DEF(TOK_INCLUDE_NEXT, "include_next") + DEF(TOK_IFDEF, "ifdef") + DEF(TOK_IFNDEF, "ifndef") + DEF(TOK_ELIF, "elif") + DEF(TOK_ENDIF, "endif") + DEF(TOK_DEFINED, "defined") + DEF(TOK_UNDEF, "undef") + DEF(TOK_ERROR, "error") + DEF(TOK_WARNING, "warning") + DEF(TOK_LINE, "line") + DEF(TOK_PRAGMA, "pragma") + DEF(TOK___LINE__, "__LINE__") + DEF(TOK___FILE__, "__FILE__") + DEF(TOK___DATE__, "__DATE__") + DEF(TOK___TIME__, "__TIME__") + DEF(TOK___FUNCTION__, "__FUNCTION__") + DEF(TOK___VA_ARGS__, "__VA_ARGS__") + +/* special identifiers */ + DEF(TOK___FUNC__, "__func__") + +/* attribute identifiers */ +/* XXX: handle all tokens generically since speed is not critical */ + DEF(TOK_SECTION1, "section") + DEF(TOK_SECTION2, "__section__") + DEF(TOK_ALIGNED1, "aligned") + DEF(TOK_ALIGNED2, "__aligned__") + DEF(TOK_PACKED1, "packed") + DEF(TOK_PACKED2, "__packed__") + DEF(TOK_UNUSED1, "unused") + DEF(TOK_UNUSED2, "__unused__") + DEF(TOK_CDECL1, "cdecl") + DEF(TOK_CDECL2, "__cdecl") + DEF(TOK_CDECL3, "__cdecl__") + DEF(TOK_STDCALL1, "stdcall") + DEF(TOK_STDCALL2, "__stdcall") + DEF(TOK_STDCALL3, "__stdcall__") + DEF(TOK_DLLEXPORT, "dllexport") + DEF(TOK_NORETURN1, "noreturn") + DEF(TOK_NORETURN2, "__noreturn__") + DEF(TOK_builtin_types_compatible_p, "__builtin_types_compatible_p") + DEF(TOK_builtin_constant_p, "__builtin_constant_p") + DEF(TOK_REGPARM1, "regparm") + DEF(TOK_REGPARM2, "__regparm__") + +/* pragma */ + DEF(TOK_pack, "pack") +#if !defined(TCC_TARGET_I386) + /* already defined for assembler */ + DEF(TOK_ASM_push, "push") + DEF(TOK_ASM_pop, "pop") +#endif + +/* builtin functions or variables */ + DEF(TOK_memcpy, "memcpy") + DEF(TOK_memset, "memset") + DEF(TOK_alloca, "alloca") + DEF(TOK___divdi3, "__divdi3") + DEF(TOK___moddi3, "__moddi3") + DEF(TOK___udivdi3, "__udivdi3") + DEF(TOK___umoddi3, "__umoddi3") +#if defined(TCC_TARGET_ARM) + DEF(TOK___divsi3, "__divsi3") + DEF(TOK___modsi3, "__modsi3") + DEF(TOK___udivsi3, "__udivsi3") + DEF(TOK___umodsi3, "__umodsi3") + DEF(TOK___sardi3, "__ashrdi3") + DEF(TOK___shrdi3, "__lshrdi3") + DEF(TOK___shldi3, "__ashldi3") + DEF(TOK___slltold, "__slltold") + DEF(TOK___fixunssfsi, "__fixunssfsi") + DEF(TOK___fixunsdfsi, "__fixunsdfsi") + DEF(TOK___fixunsxfsi, "__fixunsxfsi") + DEF(TOK___fixsfdi, "__fixsfdi") + DEF(TOK___fixdfdi, "__fixdfdi") + DEF(TOK___fixxfdi, "__fixxfdi") +#elif defined(TCC_TARGET_C67) + DEF(TOK__divi, "_divi") + DEF(TOK__divu, "_divu") + DEF(TOK__divf, "_divf") + DEF(TOK__divd, "_divd") + DEF(TOK__remi, "_remi") + DEF(TOK__remu, "_remu") + DEF(TOK___sardi3, "__sardi3") + DEF(TOK___shrdi3, "__shrdi3") + DEF(TOK___shldi3, "__shldi3") +#else + /* XXX: same names on i386 ? */ + DEF(TOK___sardi3, "__sardi3") + DEF(TOK___shrdi3, "__shrdi3") + DEF(TOK___shldi3, "__shldi3") +#endif + DEF(TOK___tcc_int_fpu_control, "__tcc_int_fpu_control") + DEF(TOK___tcc_fpu_control, "__tcc_fpu_control") + DEF(TOK___ulltof, "__ulltof") + DEF(TOK___ulltod, "__ulltod") + DEF(TOK___ulltold, "__ulltold") + DEF(TOK___fixunssfdi, "__fixunssfdi") + DEF(TOK___fixunsdfdi, "__fixunsdfdi") + DEF(TOK___fixunsxfdi, "__fixunsxfdi") + DEF(TOK___chkstk, "__chkstk") + +/* bound checking symbols */ +#ifdef CONFIG_TCC_BCHECK + DEF(TOK___bound_ptr_add, "__bound_ptr_add") + DEF(TOK___bound_ptr_indir1, "__bound_ptr_indir1") + DEF(TOK___bound_ptr_indir2, "__bound_ptr_indir2") + DEF(TOK___bound_ptr_indir4, "__bound_ptr_indir4") + DEF(TOK___bound_ptr_indir8, "__bound_ptr_indir8") + DEF(TOK___bound_ptr_indir12, "__bound_ptr_indir12") + DEF(TOK___bound_ptr_indir16, "__bound_ptr_indir16") + DEF(TOK___bound_local_new, "__bound_local_new") + DEF(TOK___bound_local_delete, "__bound_local_delete") + DEF(TOK_malloc, "malloc") + DEF(TOK_free, "free") + DEF(TOK_realloc, "realloc") + DEF(TOK_memalign, "memalign") + DEF(TOK_calloc, "calloc") + DEF(TOK_memmove, "memmove") + DEF(TOK_strlen, "strlen") + DEF(TOK_strcpy, "strcpy") +#endif + +/* Tiny Assembler */ + + DEF_ASM(byte) + DEF_ASM(align) + DEF_ASM(skip) + DEF_ASM(space) + DEF_ASM(string) + DEF_ASM(asciz) + DEF_ASM(ascii) + DEF_ASM(globl) + DEF_ASM(global) + DEF_ASM(text) + DEF_ASM(data) + DEF_ASM(bss) + DEF_ASM(previous) + DEF_ASM(fill) + DEF_ASM(org) + DEF_ASM(quad) + +#ifdef TCC_TARGET_I386 + +/* WARNING: relative order of tokens is important. */ + DEF_ASM(al) + DEF_ASM(cl) + DEF_ASM(dl) + DEF_ASM(bl) + DEF_ASM(ah) + DEF_ASM(ch) + DEF_ASM(dh) + DEF_ASM(bh) + DEF_ASM(ax) + DEF_ASM(cx) + DEF_ASM(dx) + DEF_ASM(bx) + DEF_ASM(sp) + DEF_ASM(bp) + DEF_ASM(si) + DEF_ASM(di) + DEF_ASM(eax) + DEF_ASM(ecx) + DEF_ASM(edx) + DEF_ASM(ebx) + DEF_ASM(esp) + DEF_ASM(ebp) + DEF_ASM(esi) + DEF_ASM(edi) + DEF_ASM(mm0) + DEF_ASM(mm1) + DEF_ASM(mm2) + DEF_ASM(mm3) + DEF_ASM(mm4) + DEF_ASM(mm5) + DEF_ASM(mm6) + DEF_ASM(mm7) + DEF_ASM(xmm0) + DEF_ASM(xmm1) + DEF_ASM(xmm2) + DEF_ASM(xmm3) + DEF_ASM(xmm4) + DEF_ASM(xmm5) + DEF_ASM(xmm6) + DEF_ASM(xmm7) + DEF_ASM(cr0) + DEF_ASM(cr1) + DEF_ASM(cr2) + DEF_ASM(cr3) + DEF_ASM(cr4) + DEF_ASM(cr5) + DEF_ASM(cr6) + DEF_ASM(cr7) + DEF_ASM(tr0) + DEF_ASM(tr1) + DEF_ASM(tr2) + DEF_ASM(tr3) + DEF_ASM(tr4) + DEF_ASM(tr5) + DEF_ASM(tr6) + DEF_ASM(tr7) + DEF_ASM(db0) + DEF_ASM(db1) + DEF_ASM(db2) + DEF_ASM(db3) + DEF_ASM(db4) + DEF_ASM(db5) + DEF_ASM(db6) + DEF_ASM(db7) + DEF_ASM(dr0) + DEF_ASM(dr1) + DEF_ASM(dr2) + DEF_ASM(dr3) + DEF_ASM(dr4) + DEF_ASM(dr5) + DEF_ASM(dr6) + DEF_ASM(dr7) + DEF_ASM(es) + DEF_ASM(cs) + DEF_ASM(ss) + DEF_ASM(ds) + DEF_ASM(fs) + DEF_ASM(gs) + DEF_ASM(st) + + DEF_BWL(mov) + + /* generic two operands */ + DEF_BWL(add) + DEF_BWL(or) + DEF_BWL(adc) + DEF_BWL(sbb) + DEF_BWL(and) + DEF_BWL(sub) + DEF_BWL(xor) + DEF_BWL(cmp) + + /* unary ops */ + DEF_BWL(inc) + DEF_BWL(dec) + DEF_BWL(not) + DEF_BWL(neg) + DEF_BWL(mul) + DEF_BWL(imul) + DEF_BWL(div) + DEF_BWL(idiv) + + DEF_BWL(xchg) + DEF_BWL(test) + + /* shifts */ + DEF_BWL(rol) + DEF_BWL(ror) + DEF_BWL(rcl) + DEF_BWL(rcr) + DEF_BWL(shl) + DEF_BWL(shr) + DEF_BWL(sar) + + DEF_ASM(shldw) + DEF_ASM(shldl) + DEF_ASM(shld) + DEF_ASM(shrdw) + DEF_ASM(shrdl) + DEF_ASM(shrd) + + DEF_ASM(pushw) + DEF_ASM(pushl) + DEF_ASM(push) + DEF_ASM(popw) + DEF_ASM(popl) + DEF_ASM(pop) + DEF_BWL(in) + DEF_BWL(out) + + DEF_WL(movzb) + + DEF_ASM(movzwl) + DEF_ASM(movsbw) + DEF_ASM(movsbl) + DEF_ASM(movswl) + + DEF_WL(lea) + + DEF_ASM(les) + DEF_ASM(lds) + DEF_ASM(lss) + DEF_ASM(lfs) + DEF_ASM(lgs) + + DEF_ASM(call) + DEF_ASM(jmp) + DEF_ASM(lcall) + DEF_ASM(ljmp) + + DEF_ASMTEST(j) + + DEF_ASMTEST(set) + DEF_ASMTEST(cmov) + + DEF_WL(bsf) + DEF_WL(bsr) + DEF_WL(bt) + DEF_WL(bts) + DEF_WL(btr) + DEF_WL(btc) + + DEF_WL(lsl) + + /* generic FP ops */ + DEF_FP(add) + DEF_FP(mul) + + DEF_ASM(fcom) + DEF_ASM(fcom_1) /* non existant op, just to have a regular table */ + DEF_FP1(com) + + DEF_FP(comp) + DEF_FP(sub) + DEF_FP(subr) + DEF_FP(div) + DEF_FP(divr) + + DEF_BWL(xadd) + DEF_BWL(cmpxchg) + + /* string ops */ + DEF_BWL(cmps) + DEF_BWL(scmp) + DEF_BWL(ins) + DEF_BWL(outs) + DEF_BWL(lods) + DEF_BWL(slod) + DEF_BWL(movs) + DEF_BWL(smov) + DEF_BWL(scas) + DEF_BWL(ssca) + DEF_BWL(stos) + DEF_BWL(ssto) + + /* generic asm ops */ + +#define ALT(x) +#define DEF_ASM_OP0(name, opcode) DEF_ASM(name) +#define DEF_ASM_OP0L(name, opcode, group, instr_type) +#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) +#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) +#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) +// njn: inlined i386-asm.h +//#include "i386-asm.h" +//--------------------------------------------------------------------------- + DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ + DEF_ASM_OP0(popa, 0x61) + DEF_ASM_OP0(clc, 0xf8) + DEF_ASM_OP0(cld, 0xfc) + DEF_ASM_OP0(cli, 0xfa) + DEF_ASM_OP0(clts, 0x0f06) + DEF_ASM_OP0(cmc, 0xf5) + DEF_ASM_OP0(lahf, 0x9f) + DEF_ASM_OP0(sahf, 0x9e) + DEF_ASM_OP0(pushfl, 0x9c) + DEF_ASM_OP0(popfl, 0x9d) + DEF_ASM_OP0(pushf, 0x9c) + DEF_ASM_OP0(popf, 0x9d) + DEF_ASM_OP0(stc, 0xf9) + DEF_ASM_OP0(std, 0xfd) + DEF_ASM_OP0(sti, 0xfb) + DEF_ASM_OP0(aaa, 0x37) + DEF_ASM_OP0(aas, 0x3f) + DEF_ASM_OP0(daa, 0x27) + DEF_ASM_OP0(das, 0x2f) + DEF_ASM_OP0(aad, 0xd50a) + DEF_ASM_OP0(aam, 0xd40a) + DEF_ASM_OP0(cbw, 0x6698) + DEF_ASM_OP0(cwd, 0x6699) + DEF_ASM_OP0(cwde, 0x98) + DEF_ASM_OP0(cdq, 0x99) + DEF_ASM_OP0(cbtw, 0x6698) + DEF_ASM_OP0(cwtl, 0x98) + DEF_ASM_OP0(cwtd, 0x6699) + DEF_ASM_OP0(cltd, 0x99) + DEF_ASM_OP0(int3, 0xcc) + DEF_ASM_OP0(into, 0xce) + DEF_ASM_OP0(iret, 0xcf) + DEF_ASM_OP0(rsm, 0x0faa) + DEF_ASM_OP0(hlt, 0xf4) + DEF_ASM_OP0(wait, 0x9b) + DEF_ASM_OP0(nop, 0x90) + DEF_ASM_OP0(xlat, 0xd7) + + /* strings */ +ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) + + /* bits */ + +ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) + +ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + + /* prefixes */ + DEF_ASM_OP0(aword, 0x67) + DEF_ASM_OP0(addr16, 0x67) + DEF_ASM_OP0(word, 0x66) + DEF_ASM_OP0(data16, 0x66) + DEF_ASM_OP0(lock, 0xf0) + DEF_ASM_OP0(rep, 0xf3) + DEF_ASM_OP0(repe, 0xf3) + DEF_ASM_OP0(repz, 0xf3) + DEF_ASM_OP0(repne, 0xf2) + DEF_ASM_OP0(repnz, 0xf2) + + DEF_ASM_OP0(invd, 0x0f08) + DEF_ASM_OP0(wbinvd, 0x0f09) + DEF_ASM_OP0(cpuid, 0x0fa2) + DEF_ASM_OP0(wrmsr, 0x0f30) + DEF_ASM_OP0(rdtsc, 0x0f31) + DEF_ASM_OP0(rdmsr, 0x0f32) + DEF_ASM_OP0(rdpmc, 0x0f33) + DEF_ASM_OP0(ud2, 0x0f0b) + + /* NOTE: we took the same order as gas opcode definition order */ +ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) +ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) +ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) + +ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) +ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) +ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) + +ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) +ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) + +ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) +ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) +ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) + +ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) +ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) +ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) + +ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) + + /* arith */ +ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ +ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) +ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) +ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) + +ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) +ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) + + /* shifts */ +ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) + +ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) +ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) + +ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) +ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) + +ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) +ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) + DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) + DEF_ASM_OP0(leave, 0xc9) + DEF_ASM_OP0(ret, 0xc3) +ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) + DEF_ASM_OP0(lret, 0xcb) +ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) + +ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) + DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) + + /* float */ + /* specific fcomp handling */ +ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) + +ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) +ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) + + DEF_ASM_OP0(fucompp, 0xdae9) + DEF_ASM_OP0(ftst, 0xd9e4) + DEF_ASM_OP0(fxam, 0xd9e5) + DEF_ASM_OP0(fld1, 0xd9e8) + DEF_ASM_OP0(fldl2t, 0xd9e9) + DEF_ASM_OP0(fldl2e, 0xd9ea) + DEF_ASM_OP0(fldpi, 0xd9eb) + DEF_ASM_OP0(fldlg2, 0xd9ec) + DEF_ASM_OP0(fldln2, 0xd9ed) + DEF_ASM_OP0(fldz, 0xd9ee) + + DEF_ASM_OP0(f2xm1, 0xd9f0) + DEF_ASM_OP0(fyl2x, 0xd9f1) + DEF_ASM_OP0(fptan, 0xd9f2) + DEF_ASM_OP0(fpatan, 0xd9f3) + DEF_ASM_OP0(fxtract, 0xd9f4) + DEF_ASM_OP0(fprem1, 0xd9f5) + DEF_ASM_OP0(fdecstp, 0xd9f6) + DEF_ASM_OP0(fincstp, 0xd9f7) + DEF_ASM_OP0(fprem, 0xd9f8) + DEF_ASM_OP0(fyl2xp1, 0xd9f9) + DEF_ASM_OP0(fsqrt, 0xd9fa) + DEF_ASM_OP0(fsincos, 0xd9fb) + DEF_ASM_OP0(frndint, 0xd9fc) + DEF_ASM_OP0(fscale, 0xd9fd) + DEF_ASM_OP0(fsin, 0xd9fe) + DEF_ASM_OP0(fcos, 0xd9ff) + DEF_ASM_OP0(fchs, 0xd9e0) + DEF_ASM_OP0(fabs, 0xd9e1) + DEF_ASM_OP0(fninit, 0xdbe3) + DEF_ASM_OP0(fnclex, 0xdbe2) + DEF_ASM_OP0(fnop, 0xd9d0) + DEF_ASM_OP0(fwait, 0x9b) + + /* fp load */ + DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) + DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) + + /* fp store */ + DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) + + DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) + + /* exchange */ + DEF_ASM_OP0(fxch, 0xd9c9) +ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) + + /* misc FPU */ + DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) + + DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) + DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP0(fnstsw, 0xdfe0) +ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) +ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) + DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) +ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) +ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) + DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) + DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + + /* segments */ + DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) + DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) + DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) +ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) + DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) + DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) + + /* 486 */ + DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) +ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) +ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) + DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) + + DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) + DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) + + /* pentium */ + DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) + + /* pentium pro */ + ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) + + DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + /* mmx */ + DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ + DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) +ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) + DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) + DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + +#undef ALT +#undef DEF_ASM_OP0 +#undef DEF_ASM_OP0L +#undef DEF_ASM_OP1 +#undef DEF_ASM_OP2 +#undef DEF_ASM_OP3 +//--------------------------------------------------------------------------- + +#define ALT(x) +#define DEF_ASM_OP0(name, opcode) +#define DEF_ASM_OP0L(name, opcode, group, instr_type) DEF_ASM(name) +#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) DEF_ASM(name) +#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) DEF_ASM(name) +#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) DEF_ASM(name) +// njn: inlined i386-asm.h +//#include "i386-asm.h" +//--------------------------------------------------------------------------- + DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ + DEF_ASM_OP0(popa, 0x61) + DEF_ASM_OP0(clc, 0xf8) + DEF_ASM_OP0(cld, 0xfc) + DEF_ASM_OP0(cli, 0xfa) + DEF_ASM_OP0(clts, 0x0f06) + DEF_ASM_OP0(cmc, 0xf5) + DEF_ASM_OP0(lahf, 0x9f) + DEF_ASM_OP0(sahf, 0x9e) + DEF_ASM_OP0(pushfl, 0x9c) + DEF_ASM_OP0(popfl, 0x9d) + DEF_ASM_OP0(pushf, 0x9c) + DEF_ASM_OP0(popf, 0x9d) + DEF_ASM_OP0(stc, 0xf9) + DEF_ASM_OP0(std, 0xfd) + DEF_ASM_OP0(sti, 0xfb) + DEF_ASM_OP0(aaa, 0x37) + DEF_ASM_OP0(aas, 0x3f) + DEF_ASM_OP0(daa, 0x27) + DEF_ASM_OP0(das, 0x2f) + DEF_ASM_OP0(aad, 0xd50a) + DEF_ASM_OP0(aam, 0xd40a) + DEF_ASM_OP0(cbw, 0x6698) + DEF_ASM_OP0(cwd, 0x6699) + DEF_ASM_OP0(cwde, 0x98) + DEF_ASM_OP0(cdq, 0x99) + DEF_ASM_OP0(cbtw, 0x6698) + DEF_ASM_OP0(cwtl, 0x98) + DEF_ASM_OP0(cwtd, 0x6699) + DEF_ASM_OP0(cltd, 0x99) + DEF_ASM_OP0(int3, 0xcc) + DEF_ASM_OP0(into, 0xce) + DEF_ASM_OP0(iret, 0xcf) + DEF_ASM_OP0(rsm, 0x0faa) + DEF_ASM_OP0(hlt, 0xf4) + DEF_ASM_OP0(wait, 0x9b) + DEF_ASM_OP0(nop, 0x90) + DEF_ASM_OP0(xlat, 0xd7) + + /* strings */ +ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) + + /* bits */ + +ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) + +ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + + /* prefixes */ + DEF_ASM_OP0(aword, 0x67) + DEF_ASM_OP0(addr16, 0x67) + DEF_ASM_OP0(word, 0x66) + DEF_ASM_OP0(data16, 0x66) + DEF_ASM_OP0(lock, 0xf0) + DEF_ASM_OP0(rep, 0xf3) + DEF_ASM_OP0(repe, 0xf3) + DEF_ASM_OP0(repz, 0xf3) + DEF_ASM_OP0(repne, 0xf2) + DEF_ASM_OP0(repnz, 0xf2) + + DEF_ASM_OP0(invd, 0x0f08) + DEF_ASM_OP0(wbinvd, 0x0f09) + DEF_ASM_OP0(cpuid, 0x0fa2) + DEF_ASM_OP0(wrmsr, 0x0f30) + DEF_ASM_OP0(rdtsc, 0x0f31) + DEF_ASM_OP0(rdmsr, 0x0f32) + DEF_ASM_OP0(rdpmc, 0x0f33) + DEF_ASM_OP0(ud2, 0x0f0b) + + /* NOTE: we took the same order as gas opcode definition order */ +ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) +ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) +ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) + +ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) +ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) +ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) + +ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) +ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) + +ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) +ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) +ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) + +ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) +ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) +ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) + +ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) + + /* arith */ +ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ +ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) +ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) +ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) + +ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) +ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) + + /* shifts */ +ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) + +ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) +ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) + +ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) +ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) + +ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) +ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) + DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) + DEF_ASM_OP0(leave, 0xc9) + DEF_ASM_OP0(ret, 0xc3) +ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) + DEF_ASM_OP0(lret, 0xcb) +ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) + +ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) + DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) + + /* float */ + /* specific fcomp handling */ +ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) + +ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) +ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) + + DEF_ASM_OP0(fucompp, 0xdae9) + DEF_ASM_OP0(ftst, 0xd9e4) + DEF_ASM_OP0(fxam, 0xd9e5) + DEF_ASM_OP0(fld1, 0xd9e8) + DEF_ASM_OP0(fldl2t, 0xd9e9) + DEF_ASM_OP0(fldl2e, 0xd9ea) + DEF_ASM_OP0(fldpi, 0xd9eb) + DEF_ASM_OP0(fldlg2, 0xd9ec) + DEF_ASM_OP0(fldln2, 0xd9ed) + DEF_ASM_OP0(fldz, 0xd9ee) + + DEF_ASM_OP0(f2xm1, 0xd9f0) + DEF_ASM_OP0(fyl2x, 0xd9f1) + DEF_ASM_OP0(fptan, 0xd9f2) + DEF_ASM_OP0(fpatan, 0xd9f3) + DEF_ASM_OP0(fxtract, 0xd9f4) + DEF_ASM_OP0(fprem1, 0xd9f5) + DEF_ASM_OP0(fdecstp, 0xd9f6) + DEF_ASM_OP0(fincstp, 0xd9f7) + DEF_ASM_OP0(fprem, 0xd9f8) + DEF_ASM_OP0(fyl2xp1, 0xd9f9) + DEF_ASM_OP0(fsqrt, 0xd9fa) + DEF_ASM_OP0(fsincos, 0xd9fb) + DEF_ASM_OP0(frndint, 0xd9fc) + DEF_ASM_OP0(fscale, 0xd9fd) + DEF_ASM_OP0(fsin, 0xd9fe) + DEF_ASM_OP0(fcos, 0xd9ff) + DEF_ASM_OP0(fchs, 0xd9e0) + DEF_ASM_OP0(fabs, 0xd9e1) + DEF_ASM_OP0(fninit, 0xdbe3) + DEF_ASM_OP0(fnclex, 0xdbe2) + DEF_ASM_OP0(fnop, 0xd9d0) + DEF_ASM_OP0(fwait, 0x9b) + + /* fp load */ + DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) + DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) + + /* fp store */ + DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) + + DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) + + /* exchange */ + DEF_ASM_OP0(fxch, 0xd9c9) +ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) + + /* misc FPU */ + DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) + + DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) + DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP0(fnstsw, 0xdfe0) +ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) +ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) + DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) +ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) +ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) + DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) + DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + + /* segments */ + DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) + DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) + DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) +ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) + DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) + DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) + + /* 486 */ + DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) +ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) +ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) + DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) + + DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) + DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) + + /* pentium */ + DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) + + /* pentium pro */ + ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) + + DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + /* mmx */ + DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ + DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) +ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) + DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) + DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + +#undef ALT +#undef DEF_ASM_OP0 +#undef DEF_ASM_OP0L +#undef DEF_ASM_OP1 +#undef DEF_ASM_OP2 +#undef DEF_ASM_OP3 +//--------------------------------------------------------------------------- + +#endif +//--------------------------------------------------------------------------- +#undef DEF +; + +#define TOK_UIDENT TOK_DEFINE + +#ifdef WIN32 +int __stdcall GetModuleFileNameA(void *, char *, int); +void *__stdcall GetProcAddress(void *, const char *); +void *__stdcall GetModuleHandleA(const char *); +void *__stdcall LoadLibraryA(const char *); +int __stdcall FreeConsole(void); + +#define snprintf _snprintf +#define vsnprintf _vsnprintf +#ifndef __GNUC__ + #define strtold (long double)strtod + #define strtof (float)strtod + #define strtoll (long long)strtol +#endif +#elif defined(TCC_UCLIBC) || defined(__FreeBSD__) +/* currently incorrect */ +long double strtold(const char *nptr, char **endptr) +{ + return (long double)strtod(nptr, endptr); +} +float strtof(const char *nptr, char **endptr) +{ + return (float)strtod(nptr, endptr); +} +#else +/* XXX: need to define this to use them in non ISOC99 context */ +extern float strtof (const char *__nptr, char **__endptr); +extern long double strtold (const char *__nptr, char **__endptr); +#endif + +static char *pstrcpy(char *buf, int buf_size, const char *s); +static char *pstrcat(char *buf, int buf_size, const char *s); +static const char *tcc_basename(const char *name); + +static void next(void); +static void next_nomacro(void); +static void parse_expr_type(CType *type); +static void expr_type(CType *type); +static void unary_type(CType *type); +static void block(int *bsym, int *csym, int *case_sym, int *def_sym, + int case_reg, int is_expr); +static int expr_const(void); +static void expr_eq(void); +static void gexpr(void); +static void gen_inline_functions(void); +static void decl(int l); +static void decl_initializer(CType *type, Section *sec, unsigned long c, + int first, int size_only); +static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, + int has_init, int v, int scope); +int gv(int rc); +void gv2(int rc1, int rc2); +void move_reg(int r, int s); +void save_regs(int n); +void save_reg(int r); +void vpop(void); +void vswap(void); +void vdup(void); +int get_reg(int rc); +int get_reg_ex(int rc,int rc2); + +struct macro_level { + struct macro_level *prev; + int *p; +}; + +static void macro_subst(TokenString *tok_str, Sym **nested_list, + const int *macro_str, struct macro_level **can_read_stream); +void gen_op(int op); +void force_charshort_cast(int t); +static void gen_cast(CType *type); +void vstore(void); +static Sym *sym_find(int v); +static Sym *sym_push(int v, CType *type, int r, int c); + +/* type handling */ +static int type_size(CType *type, int *a); +static inline CType *pointed_type(CType *type); +static int pointed_size(CType *type); +static int lvalue_type(int t); +static int parse_btype(CType *type, AttributeDef *ad); +static void type_decl(CType *type, AttributeDef *ad, int *v, int td); +static int is_compatible_types(CType *type1, CType *type2); + +int ieee_finite(double d); +void error(const char *fmt, ...); +void vpushi(int v); +void vrott(int n); +void vnrott(int n); +void lexpand_nr(void); +static void vpush_global_sym(CType *type, int v); +void vset(CType *type, int r, int v); +void type_to_str(char *buf, int buf_size, + CType *type, const char *varstr); +char *get_tok_str(int v, CValue *cv); +static Sym *get_sym_ref(CType *type, Section *sec, + unsigned long offset, unsigned long size); +static Sym *external_global_sym(int v, CType *type, int r); + +/* section generation */ +static void section_realloc(Section *sec, unsigned long new_size); +static void *section_ptr_add(Section *sec, unsigned long size); +static void put_extern_sym(Sym *sym, Section *section, + unsigned long value, unsigned long size); +static void greloc(Section *s, Sym *sym, unsigned long addr, int type); +static int put_elf_str(Section *s, const char *sym); +static int put_elf_sym(Section *s, + unsigned long value, unsigned long size, + int info, int other, int shndx, const char *name); +static int add_elf_sym(Section *s, unsigned long value, unsigned long size, + int info, int other, int sh_num, const char *name); +static void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, + int type, int symbol); +static void put_stabs(const char *str, int type, int other, int desc, + unsigned long value); +static void put_stabs_r(const char *str, int type, int other, int desc, + unsigned long value, Section *sec, int sym_index); +static void put_stabn(int type, int other, int desc, int value); +static void put_stabd(int type, int other, int desc); +static int tcc_add_dll(TCCState *s, const char *filename, int flags); + +#define AFF_PRINT_ERROR 0x0001 /* print error if file not found */ +#define AFF_REFERENCED_DLL 0x0002 /* load a referenced dll from another dll */ +static int tcc_add_file_internal(TCCState *s, const char *filename, int flags); + +/* tcccoff.c */ +int tcc_output_coff(TCCState *s1, FILE *f); + +/* tccpe.c */ +void *resolve_sym(TCCState *s1, const char *sym, int type); +int pe_load_def_file(struct TCCState *s1, FILE *fp); +void pe_setup_paths(struct TCCState *s1, int *p_output_type, const char **p_outfile, char *first_file); +unsigned long pe_add_runtime(struct TCCState *s1); +int tcc_output_pe(struct TCCState *s1, const char *filename); + +/* tccasm.c */ + +#ifdef CONFIG_TCC_ASM + +typedef struct ExprValue { + uint32_t v; + Sym *sym; +} ExprValue; + +#define MAX_ASM_OPERANDS 30 + +typedef struct ASMOperand { + int id; /* GCC 3 optionnal identifier (0 if number only supported */ + char *constraint; + char asm_str[16]; /* computed asm string for operand */ + SValue *vt; /* C value of the expression */ + int ref_index; /* if >= 0, gives reference to a output constraint */ + int input_index; /* if >= 0, gives reference to an input constraint */ + int priority; /* priority, used to assign registers */ + int reg; /* if >= 0, register number used for this operand */ + int is_llong; /* true if double register value */ + int is_memory; /* true if memory operand */ + int is_rw; /* for '+' modifier */ +} ASMOperand; + +static void asm_expr(TCCState *s1, ExprValue *pe); +static int asm_int_expr(TCCState *s1); +static int find_constraint(ASMOperand *operands, int nb_operands, + const char *name, const char **pp); + +static int tcc_assemble(TCCState *s1, int do_preprocess); + +#endif + +static void asm_instr(void); +static void asm_global_instr(void); + +/* true if float/double/long double type */ +static inline int is_float(int t) +{ + int bt; + bt = t & VT_BTYPE; + return bt == VT_LDOUBLE || bt == VT_DOUBLE || bt == VT_FLOAT; +} + +#ifdef TCC_TARGET_I386 +// njn: inlined i386-gen.c +//#include "i386-gen.c" +//--------------------------------------------------------------------------- +/* + * X86 code generator for TCC + * + * Copyright (c) 2001-2004 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* number of available registers */ +#define NB_REGS 4 + +/* a register can belong to several classes. The classes must be + sorted from more general to more precise (see gv2() code which does + assumptions on it). */ +#define RC_INT 0x0001 /* generic integer register */ +#define RC_FLOAT 0x0002 /* generic float register */ +#define RC_EAX 0x0004 +#define RC_ST0 0x0008 +#define RC_ECX 0x0010 +#define RC_EDX 0x0020 +#define RC_IRET RC_EAX /* function return: integer register */ +#define RC_LRET RC_EDX /* function return: second integer register */ +#define RC_FRET RC_ST0 /* function return: float register */ + +/* pretty names for the registers */ +enum { + TREG_EAX = 0, + TREG_ECX, + TREG_EDX, + TREG_ST0, +}; + +int reg_classes[NB_REGS] = { + /* eax */ RC_INT | RC_EAX, + /* ecx */ RC_INT | RC_ECX, + /* edx */ RC_INT | RC_EDX, + /* st0 */ RC_FLOAT | RC_ST0, +}; + +/* return registers for function */ +#define REG_IRET TREG_EAX /* single word int return register */ +#define REG_LRET TREG_EDX /* second word return register (for long long) */ +#define REG_FRET TREG_ST0 /* float return register */ + +/* defined if function parameters must be evaluated in reverse order */ +#define INVERT_FUNC_PARAMS + +/* defined if structures are passed as pointers. Otherwise structures + are directly pushed on stack. */ +//#define FUNC_STRUCT_PARAM_AS_PTR + +/* pointer size, in bytes */ +#define PTR_SIZE 4 + +/* long double size and alignment, in bytes */ +#define LDOUBLE_SIZE 12 +#define LDOUBLE_ALIGN 4 +/* maximum alignment (for aligned attribute support) */ +#define MAX_ALIGN 8 + +/******************************************************/ +/* ELF defines */ + +#define EM_TCC_TARGET EM_386 + +/* relocation type for 32 bit data relocation */ +#define R_DATA_32 R_386_32 +#define R_JMP_SLOT R_386_JMP_SLOT +#define R_COPY R_386_COPY + +#define ELF_START_ADDR 0x08048000 +#define ELF_PAGE_SIZE 0x1000 + +/******************************************************/ + +static unsigned long func_sub_sp_offset; +static unsigned long func_bound_offset; +static int func_ret_sub; + +/* XXX: make it faster ? */ +void g(int c) +{ + int ind1; + ind1 = ind + 1; + if (ind1 > cur_text_section->data_allocated) + section_realloc(cur_text_section, ind1); + cur_text_section->data[ind] = c; + ind = ind1; +} + +void o(unsigned int c) +{ + while (c) { + g(c); + c = c >> 8; + } +} + +void gen_le32(int c) +{ + g(c); + g(c >> 8); + g(c >> 16); + g(c >> 24); +} + +/* output a symbol and patch all calls to it */ +void gsym_addr(int t, int a) +{ + int n, *ptr; + while (t) { + ptr = (int *)(cur_text_section->data + t); + n = *ptr; /* next value */ + *ptr = a - t - 4; + t = n; + } +} + +void gsym(int t) +{ + gsym_addr(t, ind); +} + +/* psym is used to put an instruction with a data field which is a + reference to a symbol. It is in fact the same as oad ! */ +#define psym oad + +/* instruction + 4 bytes data. Return the address of the data */ +static int oad(int c, int s) +{ + int ind1; + + o(c); + ind1 = ind + 4; + if (ind1 > cur_text_section->data_allocated) + section_realloc(cur_text_section, ind1); + *(int *)(cur_text_section->data + ind) = s; + s = ind; + ind = ind1; + return s; +} + +/* output constant with relocation if 'r & VT_SYM' is true */ +static void gen_addr32(int r, Sym *sym, int c) +{ + if (r & VT_SYM) + greloc(cur_text_section, sym, ind, R_386_32); + gen_le32(c); +} + +/* generate a modrm reference. 'op_reg' contains the addtionnal 3 + opcode bits */ +static void gen_modrm(int op_reg, int r, Sym *sym, int c) +{ + op_reg = op_reg << 3; + if ((r & VT_VALMASK) == VT_CONST) { + /* constant memory reference */ + o(0x05 | op_reg); + gen_addr32(r, sym, c); + } else if ((r & VT_VALMASK) == VT_LOCAL) { + /* currently, we use only ebp as base */ + if (c == (char)c) { + /* short reference */ + o(0x45 | op_reg); + g(c); + } else { + oad(0x85 | op_reg, c); + } + } else { + g(0x00 | op_reg | (r & VT_VALMASK)); + } +} + + +/* load 'r' from value 'sv' */ +void load(int r, SValue *sv) +{ + int v, t, ft, fc, fr; + SValue v1; + + fr = sv->r; + ft = sv->type.t; + fc = sv->c.ul; + + v = fr & VT_VALMASK; + if (fr & VT_LVAL) { + if (v == VT_LLOCAL) { + v1.type.t = VT_INT; + v1.r = VT_LOCAL | VT_LVAL; + v1.c.ul = fc; + load(r, &v1); + fr = r; + } + if ((ft & VT_BTYPE) == VT_FLOAT) { + o(0xd9); /* flds */ + r = 0; + } else if ((ft & VT_BTYPE) == VT_DOUBLE) { + o(0xdd); /* fldl */ + r = 0; + } else if ((ft & VT_BTYPE) == VT_LDOUBLE) { + o(0xdb); /* fldt */ + r = 5; + } else if ((ft & VT_TYPE) == VT_BYTE) { + o(0xbe0f); /* movsbl */ + } else if ((ft & VT_TYPE) == (VT_BYTE | VT_UNSIGNED)) { + o(0xb60f); /* movzbl */ + } else if ((ft & VT_TYPE) == VT_SHORT) { + o(0xbf0f); /* movswl */ + } else if ((ft & VT_TYPE) == (VT_SHORT | VT_UNSIGNED)) { + o(0xb70f); /* movzwl */ + } else { + o(0x8b); /* movl */ + } + gen_modrm(r, fr, sv->sym, fc); + } else { + if (v == VT_CONST) { + o(0xb8 + r); /* mov $xx, r */ + gen_addr32(fr, sv->sym, fc); + } else if (v == VT_LOCAL) { + o(0x8d); /* lea xxx(%ebp), r */ + gen_modrm(r, VT_LOCAL, sv->sym, fc); + } else if (v == VT_CMP) { + oad(0xb8 + r, 0); /* mov $0, r */ + o(0x0f); /* setxx %br */ + o(fc); + o(0xc0 + r); + } else if (v == VT_JMP || v == VT_JMPI) { + t = v & 1; + oad(0xb8 + r, t); /* mov $1, r */ + o(0x05eb); /* jmp after */ + gsym(fc); + oad(0xb8 + r, t ^ 1); /* mov $0, r */ + } else if (v != r) { + o(0x89); + o(0xc0 + r + v * 8); /* mov v, r */ + } + } +} + +/* store register 'r' in lvalue 'v' */ +void store(int r, SValue *v) +{ + int fr, bt, ft, fc; + + ft = v->type.t; + fc = v->c.ul; + fr = v->r & VT_VALMASK; + bt = ft & VT_BTYPE; + /* XXX: incorrect if float reg to reg */ + if (bt == VT_FLOAT) { + o(0xd9); /* fsts */ + r = 2; + } else if (bt == VT_DOUBLE) { + o(0xdd); /* fstpl */ + r = 2; + } else if (bt == VT_LDOUBLE) { + o(0xc0d9); /* fld %st(0) */ + o(0xdb); /* fstpt */ + r = 7; + } else { + if (bt == VT_SHORT) + o(0x66); + if (bt == VT_BYTE || bt == VT_BOOL) + o(0x88); + else + o(0x89); + } + if (fr == VT_CONST || + fr == VT_LOCAL || + (v->r & VT_LVAL)) { + gen_modrm(r, v->r, v->sym, fc); + } else if (fr != r) { + o(0xc0 + fr + r * 8); /* mov r, fr */ + } +} + +static void gadd_sp(int val) +{ + if (val == (char)val) { + o(0xc483); + g(val); + } else { + oad(0xc481, val); /* add $xxx, %esp */ + } +} + +/* 'is_jmp' is '1' if it is a jump */ +static void gcall_or_jmp(int is_jmp) +{ + int r; + if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { + /* constant case */ + if (vtop->r & VT_SYM) { + /* relocation case */ + greloc(cur_text_section, vtop->sym, + ind + 1, R_386_PC32); + } else { + /* put an empty PC32 relocation */ + put_elf_reloc(symtab_section, cur_text_section, + ind + 1, R_386_PC32, 0); + } + oad(0xe8 + is_jmp, vtop->c.ul - 4); /* call/jmp im */ + } else { + /* otherwise, indirect call */ + r = gv(RC_INT); + o(0xff); /* call/jmp *r */ + o(0xd0 + r + (is_jmp << 4)); + } +} + +static uint8_t fastcall_regs[3] = { TREG_EAX, TREG_EDX, TREG_ECX }; + +/* Generate function call. The function address is pushed first, then + all the parameters in call order. This functions pops all the + parameters and the function address. */ +void gfunc_call(int nb_args) +{ + int size, align, r, args_size, i, func_call; + Sym *func_sym; + + args_size = 0; + for(i = 0;i < nb_args; i++) { + if ((vtop->type.t & VT_BTYPE) == VT_STRUCT) { + size = type_size(&vtop->type, &align); + /* align to stack align size */ + size = (size + 3) & ~3; + /* allocate the necessary size on stack */ + oad(0xec81, size); /* sub $xxx, %esp */ + /* generate structure store */ + r = get_reg(RC_INT); + o(0x89); /* mov %esp, r */ + o(0xe0 + r); + vset(&vtop->type, r | VT_LVAL, 0); + vswap(); + vstore(); + args_size += size; + } else if (is_float(vtop->type.t)) { + gv(RC_FLOAT); /* only one float register */ + if ((vtop->type.t & VT_BTYPE) == VT_FLOAT) + size = 4; + else if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) + size = 8; + else + size = 12; + oad(0xec81, size); /* sub $xxx, %esp */ + if (size == 12) + o(0x7cdb); + else + o(0x5cd9 + size - 4); /* fstp[s|l] 0(%esp) */ + g(0x24); + g(0x00); + args_size += size; + } else { + /* simple type (currently always same size) */ + /* XXX: implicit cast ? */ + r = gv(RC_INT); + if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { + size = 8; + o(0x50 + vtop->r2); /* push r */ + } else { + size = 4; + } + o(0x50 + r); /* push r */ + args_size += size; + } + vtop--; + } + save_regs(0); /* save used temporary registers */ + func_sym = vtop->type.ref; + func_call = func_sym->r; + /* fast call case */ + if (func_call >= FUNC_FASTCALL1 && func_call <= FUNC_FASTCALL3) { + int fastcall_nb_regs; + fastcall_nb_regs = func_call - FUNC_FASTCALL1 + 1; + for(i = 0;i < fastcall_nb_regs; i++) { + if (args_size <= 0) + break; + o(0x58 + fastcall_regs[i]); /* pop r */ + /* XXX: incorrect for struct/floats */ + args_size -= 4; + } + } + gcall_or_jmp(0); + if (args_size && func_sym->r != FUNC_STDCALL) + gadd_sp(args_size); + vtop--; +} + +#ifdef TCC_TARGET_PE +#define FUNC_PROLOG_SIZE 10 +#else +#define FUNC_PROLOG_SIZE 9 +#endif + +/* generate function prolog of type 't' */ +void gfunc_prolog(CType *func_type) +{ + int addr, align, size, func_call, fastcall_nb_regs; + int param_index, param_addr; + Sym *sym; + CType *type; + + sym = func_type->ref; + func_call = sym->r; + addr = 8; + loc = 0; + if (func_call >= FUNC_FASTCALL1 && func_call <= FUNC_FASTCALL3) { + fastcall_nb_regs = func_call - FUNC_FASTCALL1 + 1; + } else { + fastcall_nb_regs = 0; + } + param_index = 0; + + ind += FUNC_PROLOG_SIZE; + func_sub_sp_offset = ind; + /* if the function returns a structure, then add an + implicit pointer parameter */ + func_vt = sym->type; + if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { + /* XXX: fastcall case ? */ + func_vc = addr; + addr += 4; + param_index++; + } + /* define parameters */ + while ((sym = sym->next) != NULL) { + type = &sym->type; + size = type_size(type, &align); + size = (size + 3) & ~3; +#ifdef FUNC_STRUCT_PARAM_AS_PTR + /* structs are passed as pointer */ + if ((type->t & VT_BTYPE) == VT_STRUCT) { + size = 4; + } +#endif + if (param_index < fastcall_nb_regs) { + /* save FASTCALL register */ + loc -= 4; + o(0x89); /* movl */ + gen_modrm(fastcall_regs[param_index], VT_LOCAL, NULL, loc); + param_addr = loc; + } else { + param_addr = addr; + addr += size; + } + sym_push(sym->v & ~SYM_FIELD, type, + VT_LOCAL | VT_LVAL, param_addr); + param_index++; + } + func_ret_sub = 0; + /* pascal type call ? */ + if (func_call == FUNC_STDCALL) + func_ret_sub = addr - 8; + + /* leave some room for bound checking code */ + if (do_bounds_check) { + oad(0xb8, 0); /* lbound section pointer */ + oad(0xb8, 0); /* call to function */ + func_bound_offset = lbounds_section->data_offset; + } +} + +/* generate function epilog */ +void gfunc_epilog(void) +{ + int v, saved_ind; + +#ifdef CONFIG_TCC_BCHECK + if (do_bounds_check && func_bound_offset != lbounds_section->data_offset) { + int saved_ind; + int *bounds_ptr; + Sym *sym, *sym_data; + /* add end of table info */ + bounds_ptr = section_ptr_add(lbounds_section, sizeof(int)); + *bounds_ptr = 0; + /* generate bound local allocation */ + saved_ind = ind; + ind = func_sub_sp_offset; + sym_data = get_sym_ref(&char_pointer_type, lbounds_section, + func_bound_offset, lbounds_section->data_offset); + greloc(cur_text_section, sym_data, + ind + 1, R_386_32); + oad(0xb8, 0); /* mov %eax, xxx */ + sym = external_global_sym(TOK___bound_local_new, &func_old_type, 0); + greloc(cur_text_section, sym, + ind + 1, R_386_PC32); + oad(0xe8, -4); + ind = saved_ind; + /* generate bound check local freeing */ + o(0x5250); /* save returned value, if any */ + greloc(cur_text_section, sym_data, + ind + 1, R_386_32); + oad(0xb8, 0); /* mov %eax, xxx */ + sym = external_global_sym(TOK___bound_local_delete, &func_old_type, 0); + greloc(cur_text_section, sym, + ind + 1, R_386_PC32); + oad(0xe8, -4); + o(0x585a); /* restore returned value, if any */ + } +#endif + o(0xc9); /* leave */ + if (func_ret_sub == 0) { + o(0xc3); /* ret */ + } else { + o(0xc2); /* ret n */ + g(func_ret_sub); + g(func_ret_sub >> 8); + } + /* align local size to word & save local variables */ + + v = (-loc + 3) & -4; + saved_ind = ind; + ind = func_sub_sp_offset - FUNC_PROLOG_SIZE; +#ifdef TCC_TARGET_PE + if (v >= 4096) { + Sym *sym = external_global_sym(TOK___chkstk, &func_old_type, 0); + oad(0xb8, v); /* mov stacksize, %eax */ + oad(0xe8, -4); /* call __chkstk, (does the stackframe too) */ + greloc(cur_text_section, sym, ind-4, R_386_PC32); + } else +#endif + { + o(0xe58955); /* push %ebp, mov %esp, %ebp */ + o(0xec81); /* sub esp, stacksize */ + gen_le32(v); +#if FUNC_PROLOG_SIZE == 10 + o(0x90); /* adjust to FUNC_PROLOG_SIZE */ +#endif + } + ind = saved_ind; +} + +/* generate a jump to a label */ +int gjmp(int t) +{ + return psym(0xe9, t); +} + +/* generate a jump to a fixed address */ +void gjmp_addr(int a) +{ + int r; + r = a - ind - 2; + if (r == (char)r) { + g(0xeb); + g(r); + } else { + oad(0xe9, a - ind - 5); + } +} + +/* generate a test. set 'inv' to invert test. Stack entry is popped */ +int gtst(int inv, int t) +{ + int v, *p; + + v = vtop->r & VT_VALMASK; + if (v == VT_CMP) { + /* fast case : can jump directly since flags are set */ + g(0x0f); + t = psym((vtop->c.i - 16) ^ inv, t); + } else if (v == VT_JMP || v == VT_JMPI) { + /* && or || optimization */ + if ((v & 1) == inv) { + /* insert vtop->c jump list in t */ + p = &vtop->c.i; + while (*p != 0) + p = (int *)(cur_text_section->data + *p); + *p = t; + t = vtop->c.i; + } else { + t = gjmp(t); + gsym(vtop->c.i); + } + } else { + if (is_float(vtop->type.t)) { + vpushi(0); + gen_op(TOK_NE); + } + if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { + /* constant jmp optimization */ + if ((vtop->c.i != 0) != inv) + t = gjmp(t); + } else { + v = gv(RC_INT); + o(0x85); + o(0xc0 + v * 9); + g(0x0f); + t = psym(0x85 ^ inv, t); + } + } + vtop--; + return t; +} + +/* generate an integer binary operation */ +void gen_opi(int op) +{ + int r, fr, opc, c; + + switch(op) { + case '+': + case TOK_ADDC1: /* add with carry generation */ + opc = 0; + gen_op8: + if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { + /* constant case */ + vswap(); + r = gv(RC_INT); + vswap(); + c = vtop->c.i; + if (c == (char)c) { + /* XXX: generate inc and dec for smaller code ? */ + o(0x83); + o(0xc0 | (opc << 3) | r); + g(c); + } else { + o(0x81); + oad(0xc0 | (opc << 3) | r, c); + } + } else { + gv2(RC_INT, RC_INT); + r = vtop[-1].r; + fr = vtop[0].r; + o((opc << 3) | 0x01); + o(0xc0 + r + fr * 8); + } + vtop--; + if (op >= TOK_ULT && op <= TOK_GT) { + vtop->r = VT_CMP; + vtop->c.i = op; + } + break; + case '-': + case TOK_SUBC1: /* sub with carry generation */ + opc = 5; + goto gen_op8; + case TOK_ADDC2: /* add with carry use */ + opc = 2; + goto gen_op8; + case TOK_SUBC2: /* sub with carry use */ + opc = 3; + goto gen_op8; + case '&': + opc = 4; + goto gen_op8; + case '^': + opc = 6; + goto gen_op8; + case '|': + opc = 1; + goto gen_op8; + case '*': + gv2(RC_INT, RC_INT); + r = vtop[-1].r; + fr = vtop[0].r; + vtop--; + o(0xaf0f); /* imul fr, r */ + o(0xc0 + fr + r * 8); + break; + case TOK_SHL: + opc = 4; + goto gen_shift; + case TOK_SHR: + opc = 5; + goto gen_shift; + case TOK_SAR: + opc = 7; + gen_shift: + opc = 0xc0 | (opc << 3); + if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { + /* constant case */ + vswap(); + r = gv(RC_INT); + vswap(); + c = vtop->c.i & 0x1f; + o(0xc1); /* shl/shr/sar $xxx, r */ + o(opc | r); + g(c); + } else { + /* we generate the shift in ecx */ + gv2(RC_INT, RC_ECX); + r = vtop[-1].r; + o(0xd3); /* shl/shr/sar %cl, r */ + o(opc | r); + } + vtop--; + break; + case '/': + case TOK_UDIV: + case TOK_PDIV: + case '%': + case TOK_UMOD: + case TOK_UMULL: + /* first operand must be in eax */ + /* XXX: need better constraint for second operand */ + gv2(RC_EAX, RC_ECX); + r = vtop[-1].r; + fr = vtop[0].r; + vtop--; + save_reg(TREG_EDX); + if (op == TOK_UMULL) { + o(0xf7); /* mul fr */ + o(0xe0 + fr); + vtop->r2 = TREG_EDX; + r = TREG_EAX; + } else { + if (op == TOK_UDIV || op == TOK_UMOD) { + o(0xf7d231); /* xor %edx, %edx, div fr, %eax */ + o(0xf0 + fr); + } else { + o(0xf799); /* cltd, idiv fr, %eax */ + o(0xf8 + fr); + } + if (op == '%' || op == TOK_UMOD) + r = TREG_EDX; + else + r = TREG_EAX; + } + vtop->r = r; + break; + default: + opc = 7; + goto gen_op8; + } +} + +/* generate a floating point operation 'v = t1 op t2' instruction. The + two operands are guaranted to have the same floating point type */ +/* XXX: need to use ST1 too */ +void gen_opf(int op) +{ + int a, ft, fc, swapped, r; + + /* convert constants to memory references */ + if ((vtop[-1].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { + vswap(); + gv(RC_FLOAT); + vswap(); + } + if ((vtop[0].r & (VT_VALMASK | VT_LVAL)) == VT_CONST) + gv(RC_FLOAT); + + /* must put at least one value in the floating point register */ + if ((vtop[-1].r & VT_LVAL) && + (vtop[0].r & VT_LVAL)) { + vswap(); + gv(RC_FLOAT); + vswap(); + } + swapped = 0; + /* swap the stack if needed so that t1 is the register and t2 is + the memory reference */ + if (vtop[-1].r & VT_LVAL) { + vswap(); + swapped = 1; + } + if (op >= TOK_ULT && op <= TOK_GT) { + /* load on stack second operand */ + load(TREG_ST0, vtop); + save_reg(TREG_EAX); /* eax is used by FP comparison code */ + if (op == TOK_GE || op == TOK_GT) + swapped = !swapped; + else if (op == TOK_EQ || op == TOK_NE) + swapped = 0; + if (swapped) + o(0xc9d9); /* fxch %st(1) */ + o(0xe9da); /* fucompp */ + o(0xe0df); /* fnstsw %ax */ + if (op == TOK_EQ) { + o(0x45e480); /* and $0x45, %ah */ + o(0x40fC80); /* cmp $0x40, %ah */ + } else if (op == TOK_NE) { + o(0x45e480); /* and $0x45, %ah */ + o(0x40f480); /* xor $0x40, %ah */ + op = TOK_NE; + } else if (op == TOK_GE || op == TOK_LE) { + o(0x05c4f6); /* test $0x05, %ah */ + op = TOK_EQ; + } else { + o(0x45c4f6); /* test $0x45, %ah */ + op = TOK_EQ; + } + vtop--; + vtop->r = VT_CMP; + vtop->c.i = op; + } else { + /* no memory reference possible for long double operations */ + if ((vtop->type.t & VT_BTYPE) == VT_LDOUBLE) { + load(TREG_ST0, vtop); + swapped = !swapped; + } + + switch(op) { + default: + case '+': + a = 0; + break; + case '-': + a = 4; + if (swapped) + a++; + break; + case '*': + a = 1; + break; + case '/': + a = 6; + if (swapped) + a++; + break; + } + ft = vtop->type.t; + fc = vtop->c.ul; + if ((ft & VT_BTYPE) == VT_LDOUBLE) { + o(0xde); /* fxxxp %st, %st(1) */ + o(0xc1 + (a << 3)); + } else { + /* if saved lvalue, then we must reload it */ + r = vtop->r; + if ((r & VT_VALMASK) == VT_LLOCAL) { + SValue v1; + r = get_reg(RC_INT); + v1.type.t = VT_INT; + v1.r = VT_LOCAL | VT_LVAL; + v1.c.ul = fc; + load(r, &v1); + fc = 0; + } + + if ((ft & VT_BTYPE) == VT_DOUBLE) + o(0xdc); + else + o(0xd8); + gen_modrm(a, r, vtop->sym, fc); + } + vtop--; + } +} + +/* convert integers to fp 't' type. Must handle 'int', 'unsigned int' + and 'long long' cases. */ +void gen_cvt_itof(int t) +{ + save_reg(TREG_ST0); + gv(RC_INT); + if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { + /* signed long long to float/double/long double (unsigned case + is handled generically) */ + o(0x50 + vtop->r2); /* push r2 */ + o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ + o(0x242cdf); /* fildll (%esp) */ + o(0x08c483); /* add $8, %esp */ + } else if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == + (VT_INT | VT_UNSIGNED)) { + /* unsigned int to float/double/long double */ + o(0x6a); /* push $0 */ + g(0x00); + o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ + o(0x242cdf); /* fildll (%esp) */ + o(0x08c483); /* add $8, %esp */ + } else { + /* int to float/double/long double */ + o(0x50 + (vtop->r & VT_VALMASK)); /* push r */ + o(0x2404db); /* fildl (%esp) */ + o(0x04c483); /* add $4, %esp */ + } + vtop->r = TREG_ST0; +} + +/* convert fp to int 't' type */ +/* XXX: handle long long case */ +void gen_cvt_ftoi(int t) +{ + int r, r2, size; + Sym *sym; + CType ushort_type; + + ushort_type.t = VT_SHORT | VT_UNSIGNED; + + gv(RC_FLOAT); + if (t != VT_INT) + size = 8; + else + size = 4; + + o(0x2dd9); /* ldcw xxx */ + sym = external_global_sym(TOK___tcc_int_fpu_control, + &ushort_type, VT_LVAL); + greloc(cur_text_section, sym, + ind, R_386_32); + gen_le32(0); + + oad(0xec81, size); /* sub $xxx, %esp */ + if (size == 4) + o(0x1cdb); /* fistpl */ + else + o(0x3cdf); /* fistpll */ + o(0x24); + o(0x2dd9); /* ldcw xxx */ + sym = external_global_sym(TOK___tcc_fpu_control, + &ushort_type, VT_LVAL); + greloc(cur_text_section, sym, + ind, R_386_32); + gen_le32(0); + + r = get_reg(RC_INT); + o(0x58 + r); /* pop r */ + if (size == 8) { + if (t == VT_LLONG) { + vtop->r = r; /* mark reg as used */ + r2 = get_reg(RC_INT); + o(0x58 + r2); /* pop r2 */ + vtop->r2 = r2; + } else { + o(0x04c483); /* add $4, %esp */ + } + } + vtop->r = r; +} + +/* convert from one floating point type to another */ +void gen_cvt_ftof(int t) +{ + /* all we have to do on i386 is to put the float in a register */ + gv(RC_FLOAT); +} + +/* computed goto support */ +void ggoto(void) +{ + gcall_or_jmp(1); + vtop--; +} + +/* bound check support functions */ +#ifdef CONFIG_TCC_BCHECK + +/* generate a bounded pointer addition */ +void gen_bounded_ptr_add(void) +{ + Sym *sym; + + /* prepare fast i386 function call (args in eax and edx) */ + gv2(RC_EAX, RC_EDX); + /* save all temporary registers */ + vtop -= 2; + save_regs(0); + /* do a fast function call */ + sym = external_global_sym(TOK___bound_ptr_add, &func_old_type, 0); + greloc(cur_text_section, sym, + ind + 1, R_386_PC32); + oad(0xe8, -4); + /* returned pointer is in eax */ + vtop++; + vtop->r = TREG_EAX | VT_BOUNDED; + /* address of bounding function call point */ + vtop->c.ul = (cur_text_section->reloc->data_offset - sizeof(Elf32_Rel)); +} + +/* patch pointer addition in vtop so that pointer dereferencing is + also tested */ +void gen_bounded_ptr_deref(void) +{ + int func; + int size, align; + Elf32_Rel *rel; + Sym *sym; + + size = 0; + /* XXX: put that code in generic part of tcc */ + if (!is_float(vtop->type.t)) { + if (vtop->r & VT_LVAL_BYTE) + size = 1; + else if (vtop->r & VT_LVAL_SHORT) + size = 2; + } + if (!size) + size = type_size(&vtop->type, &align); + switch(size) { + case 1: func = TOK___bound_ptr_indir1; break; + case 2: func = TOK___bound_ptr_indir2; break; + case 4: func = TOK___bound_ptr_indir4; break; + case 8: func = TOK___bound_ptr_indir8; break; + case 12: func = TOK___bound_ptr_indir12; break; + case 16: func = TOK___bound_ptr_indir16; break; + default: + error("unhandled size when derefencing bounded pointer"); + func = 0; + break; + } + + /* patch relocation */ + /* XXX: find a better solution ? */ + rel = (Elf32_Rel *)(cur_text_section->reloc->data + vtop->c.ul); + sym = external_global_sym(func, &func_old_type, 0); + if (!sym->c) + put_extern_sym(sym, NULL, 0, 0); + rel->r_info = ELF32_R_INFO(sym->c, ELF32_R_TYPE(rel->r_info)); +} +#endif + +/* end of X86 code generator */ +/*************************************************************/ + +//--------------------------------------------------------------------------- +#endif + +// njn: commented these out +//#ifdef TCC_TARGET_ARM +//#include "arm-gen.c" +//#endif +// +//#ifdef TCC_TARGET_C67 +//#include "c67-gen.c" +//#endif + +#ifdef CONFIG_TCC_STATIC + +#define RTLD_LAZY 0x001 +#define RTLD_NOW 0x002 +#define RTLD_GLOBAL 0x100 +#define RTLD_DEFAULT NULL + +/* dummy function for profiling */ +void *dlopen(const char *filename, int flag) +{ + return NULL; +} + +const char *dlerror(void) +{ + return "error"; +} + +typedef struct TCCSyms { + char *str; + void *ptr; +} TCCSyms; + +#define TCCSYM(a) { #a, &a, }, + +/* add the symbol you want here if no dynamic linking is done */ +static TCCSyms tcc_syms[] = { +#if !defined(CONFIG_TCCBOOT) + TCCSYM(printf) + TCCSYM(fprintf) + TCCSYM(fopen) + TCCSYM(fclose) +#endif + { NULL, NULL }, +}; + +void *resolve_sym(TCCState *s1, const char *symbol, int type) +{ + TCCSyms *p; + p = tcc_syms; + while (p->str != NULL) { + if (!strcmp(p->str, symbol)) + return p->ptr; + p++; + } + return NULL; +} + +#elif !defined(WIN32) + +#include <dlfcn.h> + +void *resolve_sym(TCCState *s1, const char *sym, int type) +{ + return dlsym(RTLD_DEFAULT, sym); +} + +#endif + +/********************************************************/ + +/* we use our own 'finite' function to avoid potential problems with + non standard math libs */ +/* XXX: endianness dependent */ +int ieee_finite(double d) +{ + int *p = (int *)&d; + return ((unsigned)((p[1] | 0x800fffff) + 1)) >> 31; +} + +/* copy a string and truncate it. */ +static char *pstrcpy(char *buf, int buf_size, const char *s) +{ + char *q, *q_end; + int c; + + if (buf_size > 0) { + q = buf; + q_end = buf + buf_size - 1; + while (q < q_end) { + c = *s++; + if (c == '\0') + break; + *q++ = c; + } + *q = '\0'; + } + return buf; +} + +/* strcat and truncate. */ +static char *pstrcat(char *buf, int buf_size, const char *s) +{ + int len; + len = strlen(buf); + if (len < buf_size) + pstrcpy(buf + len, buf_size - len, s); + return buf; +} + +static int strstart(const char *str, const char *val, const char **ptr) +{ + const char *p, *q; + p = str; + q = val; + while (*q != '\0') { + if (*p != *q) + return 0; + p++; + q++; + } + if (ptr) + *ptr = p; + return 1; +} + +/* memory management */ +#ifdef MEM_DEBUG +int mem_cur_size; +int mem_max_size; +#endif + +static inline void tcc_free(void *ptr) +{ +#ifdef MEM_DEBUG + mem_cur_size -= malloc_usable_size(ptr); +#endif + free(ptr); +} + +static void *tcc_malloc(unsigned long size) +{ + void *ptr; + ptr = malloc(size); + if (!ptr && size) + error("memory full"); +#ifdef MEM_DEBUG + mem_cur_size += malloc_usable_size(ptr); + if (mem_cur_size > mem_max_size) + mem_max_size = mem_cur_size; +#endif + return ptr; +} + +static void *tcc_mallocz(unsigned long size) +{ + void *ptr; + ptr = tcc_malloc(size); + memset(ptr, 0, size); + return ptr; +} + +static inline void *tcc_realloc(void *ptr, unsigned long size) +{ + void *ptr1; +#ifdef MEM_DEBUG + mem_cur_size -= malloc_usable_size(ptr); +#endif + ptr1 = realloc(ptr, size); +#ifdef MEM_DEBUG + /* NOTE: count not correct if alloc error, but not critical */ + mem_cur_size += malloc_usable_size(ptr1); + if (mem_cur_size > mem_max_size) + mem_max_size = mem_cur_size; +#endif + return ptr1; +} + +static char *tcc_strdup(const char *str) +{ + char *ptr; + ptr = tcc_malloc(strlen(str) + 1); + strcpy(ptr, str); + return ptr; +} + +#define free(p) use_tcc_free(p) +#define malloc(s) use_tcc_malloc(s) +#define realloc(p, s) use_tcc_realloc(p, s) + +static void dynarray_add(void ***ptab, int *nb_ptr, void *data) +{ + int nb, nb_alloc; + void **pp; + + nb = *nb_ptr; + pp = *ptab; + /* every power of two we double array size */ + if ((nb & (nb - 1)) == 0) { + if (!nb) + nb_alloc = 1; + else + nb_alloc = nb * 2; + pp = tcc_realloc(pp, nb_alloc * sizeof(void *)); + if (!pp) + error("memory full"); + *ptab = pp; + } + pp[nb++] = data; + *nb_ptr = nb; +} + +/* symbol allocator */ +static Sym *__sym_malloc(void) +{ + Sym *sym_pool, *sym, *last_sym; + int i; + + sym_pool = tcc_malloc(SYM_POOL_NB * sizeof(Sym)); + + last_sym = sym_free_first; + sym = sym_pool; + for(i = 0; i < SYM_POOL_NB; i++) { + sym->next = last_sym; + last_sym = sym; + sym++; + } + sym_free_first = last_sym; + return last_sym; +} + +static inline Sym *sym_malloc(void) +{ + Sym *sym; + sym = sym_free_first; + if (!sym) + sym = __sym_malloc(); + sym_free_first = sym->next; + return sym; +} + +static inline void sym_free(Sym *sym) +{ + sym->next = sym_free_first; + sym_free_first = sym; +} + +Section *new_section(TCCState *s1, const char *name, int sh_type, int sh_flags) +{ + Section *sec; + + sec = tcc_mallocz(sizeof(Section) + strlen(name)); + strcpy(sec->name, name); + sec->sh_type = sh_type; + sec->sh_flags = sh_flags; + switch(sh_type) { + case SHT_HASH: + case SHT_REL: + case SHT_DYNSYM: + case SHT_SYMTAB: + case SHT_DYNAMIC: + sec->sh_addralign = 4; + break; + case SHT_STRTAB: + sec->sh_addralign = 1; + break; + default: + sec->sh_addralign = 32; /* default conservative alignment */ + break; + } + + /* only add section if not private */ + if (!(sh_flags & SHF_PRIVATE)) { + sec->sh_num = s1->nb_sections; + dynarray_add((void ***)&s1->sections, &s1->nb_sections, sec); + } + return sec; +} + +static void free_section(Section *s) +{ + tcc_free(s->data); + tcc_free(s); +} + +/* realloc section and set its content to zero */ +static void section_realloc(Section *sec, unsigned long new_size) +{ + unsigned long size; + unsigned char *data; + + size = sec->data_allocated; + if (size == 0) + size = 1; + while (size < new_size) + size = size * 2; + data = tcc_realloc(sec->data, size); + if (!data) + error("memory full"); + memset(data + sec->data_allocated, 0, size - sec->data_allocated); + sec->data = data; + sec->data_allocated = size; +} + +/* reserve at least 'size' bytes in section 'sec' from + sec->data_offset. */ +static void *section_ptr_add(Section *sec, unsigned long size) +{ + unsigned long offset, offset1; + + offset = sec->data_offset; + offset1 = offset + size; + if (offset1 > sec->data_allocated) + section_realloc(sec, offset1); + sec->data_offset = offset1; + return sec->data + offset; +} + +/* return a reference to a section, and create it if it does not + exists */ +Section *find_section(TCCState *s1, const char *name) +{ + Section *sec; + int i; + for(i = 1; i < s1->nb_sections; i++) { + sec = s1->sections[i]; + if (!strcmp(name, sec->name)) + return sec; + } + /* sections are created as PROGBITS */ + return new_section(s1, name, SHT_PROGBITS, SHF_ALLOC); +} + +#define SECTION_ABS ((void *)1) + +/* update sym->c so that it points to an external symbol in section + 'section' with value 'value' */ +static void put_extern_sym2(Sym *sym, Section *section, + unsigned long value, unsigned long size, + int can_add_underscore) +{ + int sym_type, sym_bind, sh_num, info; + Elf32_Sym *esym; + const char *name; + char buf1[256]; + + if (section == NULL) + sh_num = SHN_UNDEF; + else if (section == SECTION_ABS) + sh_num = SHN_ABS; + else + sh_num = section->sh_num; + if (!sym->c) { + if ((sym->type.t & VT_BTYPE) == VT_FUNC) + sym_type = STT_FUNC; + else + sym_type = STT_OBJECT; + if (sym->type.t & VT_STATIC) + sym_bind = STB_LOCAL; + else + sym_bind = STB_GLOBAL; + + name = get_tok_str(sym->v, NULL); +#ifdef CONFIG_TCC_BCHECK + if (do_bounds_check) { + char buf[32]; + + /* XXX: avoid doing that for statics ? */ + /* if bound checking is activated, we change some function + names by adding the "__bound" prefix */ + switch(sym->v) { +#if 0 + /* XXX: we rely only on malloc hooks */ + case TOK_malloc: + case TOK_free: + case TOK_realloc: + case TOK_memalign: + case TOK_calloc: +#endif + case TOK_memcpy: + case TOK_memmove: + case TOK_memset: + case TOK_strlen: + case TOK_strcpy: + strcpy(buf, "__bound_"); + strcat(buf, name); + name = buf; + break; + } + } +#endif + if (tcc_state->leading_underscore && can_add_underscore) { + buf1[0] = '_'; + pstrcpy(buf1 + 1, sizeof(buf1) - 1, name); + name = buf1; + } + info = ELF32_ST_INFO(sym_bind, sym_type); + sym->c = add_elf_sym(symtab_section, value, size, info, 0, sh_num, name); + } else { + esym = &((Elf32_Sym *)symtab_section->data)[sym->c]; + esym->st_value = value; + esym->st_size = size; + esym->st_shndx = sh_num; + } +} + +static void put_extern_sym(Sym *sym, Section *section, + unsigned long value, unsigned long size) +{ + put_extern_sym2(sym, section, value, size, 1); +} + +/* add a new relocation entry to symbol 'sym' in section 's' */ +static void greloc(Section *s, Sym *sym, unsigned long offset, int type) +{ + if (!sym->c) + put_extern_sym(sym, NULL, 0, 0); + /* now we can add ELF relocation info */ + put_elf_reloc(symtab_section, s, offset, type, sym->c); +} + +static inline int isid(int c) +{ + return (c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + c == '_'; +} + +static inline int isnum(int c) +{ + return c >= '0' && c <= '9'; +} + +static inline int isoct(int c) +{ + return c >= '0' && c <= '7'; +} + +static inline int toup(int c) +{ + if (c >= 'a' && c <= 'z') + return c - 'a' + 'A'; + else + return c; +} + +static void strcat_vprintf(char *buf, int buf_size, const char *fmt, va_list ap) +{ + int len; + len = strlen(buf); + vsnprintf(buf + len, buf_size - len, fmt, ap); +} + +static void strcat_printf(char *buf, int buf_size, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + strcat_vprintf(buf, buf_size, fmt, ap); + va_end(ap); +} + +void error1(TCCState *s1, int is_warning, const char *fmt, va_list ap) +{ + char buf[2048]; + BufferedFile **f; + + buf[0] = '\0'; + if (file) { + for(f = s1->include_stack; f < s1->include_stack_ptr; f++) + strcat_printf(buf, sizeof(buf), "In file included from %s:%d:\n", + (*f)->filename, (*f)->line_num); + if (file->line_num > 0) { + strcat_printf(buf, sizeof(buf), + "%s:%d: ", file->filename, file->line_num); + } else { + strcat_printf(buf, sizeof(buf), + "%s: ", file->filename); + } + } else { + strcat_printf(buf, sizeof(buf), + "tcc: "); + } + if (is_warning) + strcat_printf(buf, sizeof(buf), "warning: "); + strcat_vprintf(buf, sizeof(buf), fmt, ap); + + if (!s1->error_func) { + /* default case: stderr */ + fprintf(stderr, "%s\n", buf); + } else { + s1->error_func(s1->error_opaque, buf); + } + if (!is_warning || s1->warn_error) + s1->nb_errors++; +} + +#ifdef LIBTCC +void tcc_set_error_func(TCCState *s, void *error_opaque, + void (*error_func)(void *opaque, const char *msg)) +{ + s->error_opaque = error_opaque; + s->error_func = error_func; +} +#endif + +/* error without aborting current compilation */ +void error_noabort(const char *fmt, ...) +{ + TCCState *s1 = tcc_state; + va_list ap; + + va_start(ap, fmt); + error1(s1, 0, fmt, ap); + va_end(ap); +} + +void error(const char *fmt, ...) +{ + TCCState *s1 = tcc_state; + va_list ap; + + va_start(ap, fmt); + error1(s1, 0, fmt, ap); + va_end(ap); + /* better than nothing: in some cases, we accept to handle errors */ + if (s1->error_set_jmp_enabled) { + longjmp(s1->error_jmp_buf, 1); + } else { + /* XXX: eliminate this someday */ + exit(1); + } +} + +void expect(const char *msg) +{ + error("%s expected", msg); +} + +void warning(const char *fmt, ...) +{ + TCCState *s1 = tcc_state; + va_list ap; + + if (s1->warn_none) + return; + + va_start(ap, fmt); + error1(s1, 1, fmt, ap); + va_end(ap); +} + +void skip(int c) +{ + if (tok != c) + error("'%c' expected", c); + next(); +} + +static void test_lvalue(void) +{ + if (!(vtop->r & VT_LVAL)) + expect("lvalue"); +} + +/* allocate a new token */ +static TokenSym *tok_alloc_new(TokenSym **pts, const char *str, int len) +{ + TokenSym *ts, **ptable; + int i; + + if (tok_ident >= SYM_FIRST_ANOM) + error("memory full"); + + /* expand token table if needed */ + i = tok_ident - TOK_IDENT; + if ((i % TOK_ALLOC_INCR) == 0) { + ptable = tcc_realloc(table_ident, (i + TOK_ALLOC_INCR) * sizeof(TokenSym *)); + if (!ptable) + error("memory full"); + table_ident = ptable; + } + + ts = tcc_malloc(sizeof(TokenSym) + len); + table_ident[i] = ts; + ts->tok = tok_ident++; + ts->sym_define = NULL; + ts->sym_label = NULL; + ts->sym_struct = NULL; + ts->sym_identifier = NULL; + ts->len = len; + ts->hash_next = NULL; + memcpy(ts->str, str, len); + ts->str[len] = '\0'; + *pts = ts; + return ts; +} + +#define TOK_HASH_INIT 1 +#define TOK_HASH_FUNC(h, c) ((h) * 263 + (c)) + +/* find a token and add it if not found */ +static TokenSym *tok_alloc(const char *str, int len) +{ + TokenSym *ts, **pts; + int i; + unsigned int h; + + h = TOK_HASH_INIT; + for(i=0;i<len;i++) + h = TOK_HASH_FUNC(h, ((unsigned char *)str)[i]); + h &= (TOK_HASH_SIZE - 1); + + pts = &hash_ident[h]; + for(;;) { + ts = *pts; + if (!ts) + break; + if (ts->len == len && !memcmp(ts->str, str, len)) + return ts; + pts = &(ts->hash_next); + } + return tok_alloc_new(pts, str, len); +} + +/* CString handling */ + +static void cstr_realloc(CString *cstr, int new_size) +{ + int size; + void *data; + + size = cstr->size_allocated; + if (size == 0) + size = 8; /* no need to allocate a too small first string */ + while (size < new_size) + size = size * 2; + data = tcc_realloc(cstr->data_allocated, size); + if (!data) + error("memory full"); + cstr->data_allocated = data; + cstr->size_allocated = size; + cstr->data = data; +} + +/* add a byte */ +static inline void cstr_ccat(CString *cstr, int ch) +{ + int size; + size = cstr->size + 1; + if (size > cstr->size_allocated) + cstr_realloc(cstr, size); + ((unsigned char *)cstr->data)[size - 1] = ch; + cstr->size = size; +} + +static void cstr_cat(CString *cstr, const char *str) +{ + int c; + for(;;) { + c = *str; + if (c == '\0') + break; + cstr_ccat(cstr, c); + str++; + } +} + +/* add a wide char */ +static void cstr_wccat(CString *cstr, int ch) +{ + int size; + size = cstr->size + sizeof(int); + if (size > cstr->size_allocated) + cstr_realloc(cstr, size); + *(int *)(((unsigned char *)cstr->data) + size - sizeof(int)) = ch; + cstr->size = size; +} + +static void cstr_new(CString *cstr) +{ + memset(cstr, 0, sizeof(CString)); +} + +/* free string and reset it to NULL */ +static void cstr_free(CString *cstr) +{ + tcc_free(cstr->data_allocated); + cstr_new(cstr); +} + +#define cstr_reset(cstr) cstr_free(cstr) + +/* XXX: unicode ? */ +static void add_char(CString *cstr, int c) +{ + if (c == '\'' || c == '\"' || c == '\\') { + /* XXX: could be more precise if char or string */ + cstr_ccat(cstr, '\\'); + } + if (c >= 32 && c <= 126) { + cstr_ccat(cstr, c); + } else { + cstr_ccat(cstr, '\\'); + if (c == '\n') { + cstr_ccat(cstr, 'n'); + } else { + cstr_ccat(cstr, '0' + ((c >> 6) & 7)); + cstr_ccat(cstr, '0' + ((c >> 3) & 7)); + cstr_ccat(cstr, '0' + (c & 7)); + } + } +} + +/* XXX: buffer overflow */ +/* XXX: float tokens */ +char *get_tok_str(int v, CValue *cv) +{ + static char buf[STRING_MAX_SIZE + 1]; + static CString cstr_buf; + CString *cstr; + unsigned char *q; + char *p; + int i, len; + + /* NOTE: to go faster, we give a fixed buffer for small strings */ + cstr_reset(&cstr_buf); + cstr_buf.data = buf; + cstr_buf.size_allocated = sizeof(buf); + p = buf; + + switch(v) { + case TOK_CINT: + case TOK_CUINT: + /* XXX: not quite exact, but only useful for testing */ + sprintf(p, "%u", cv->ui); + break; + case TOK_CLLONG: + case TOK_CULLONG: + /* XXX: not quite exact, but only useful for testing */ + sprintf(p, "%Lu", cv->ull); + break; + case TOK_CCHAR: + case TOK_LCHAR: + cstr_ccat(&cstr_buf, '\''); + add_char(&cstr_buf, cv->i); + cstr_ccat(&cstr_buf, '\''); + cstr_ccat(&cstr_buf, '\0'); + break; + case TOK_PPNUM: + cstr = cv->cstr; + len = cstr->size - 1; + for(i=0;i<len;i++) + add_char(&cstr_buf, ((unsigned char *)cstr->data)[i]); + cstr_ccat(&cstr_buf, '\0'); + break; + case TOK_STR: + case TOK_LSTR: + cstr = cv->cstr; + cstr_ccat(&cstr_buf, '\"'); + if (v == TOK_STR) { + len = cstr->size - 1; + for(i=0;i<len;i++) + add_char(&cstr_buf, ((unsigned char *)cstr->data)[i]); + } else { + len = (cstr->size / sizeof(int)) - 1; + for(i=0;i<len;i++) + add_char(&cstr_buf, ((int *)cstr->data)[i]); + } + cstr_ccat(&cstr_buf, '\"'); + cstr_ccat(&cstr_buf, '\0'); + break; + case TOK_LT: + v = '<'; + goto addv; + case TOK_GT: + v = '>'; + goto addv; + case TOK_A_SHL: + return strcpy(p, "<<="); + case TOK_A_SAR: + return strcpy(p, ">>="); + default: + if (v < TOK_IDENT) { + /* search in two bytes table */ + q = tok_two_chars; + while (*q) { + if (q[2] == v) { + *p++ = q[0]; + *p++ = q[1]; + *p = '\0'; + return buf; + } + q += 3; + } + addv: + *p++ = v; + *p = '\0'; + } else if (v < tok_ident) { + return table_ident[v - TOK_IDENT]->str; + } else if (v >= SYM_FIRST_ANOM) { + /* special name for anonymous symbol */ + sprintf(p, "L.%u", v - SYM_FIRST_ANOM); + } else { + /* should never happen */ + return NULL; + } + break; + } + return cstr_buf.data; +} + +/* push, without hashing */ +static Sym *sym_push2(Sym **ps, int v, int t, int c) +{ + Sym *s; + s = sym_malloc(); + s->v = v; + s->type.t = t; + s->c = c; + s->next = NULL; + /* add in stack */ + s->prev = *ps; + *ps = s; + return s; +} + +/* find a symbol and return its associated structure. 's' is the top + of the symbol stack */ +static Sym *sym_find2(Sym *s, int v) +{ + while (s) { + if (s->v == v) + return s; + s = s->prev; + } + return NULL; +} + +/* structure lookup */ +static inline Sym *struct_find(int v) +{ + v -= TOK_IDENT; + if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) + return NULL; + return table_ident[v]->sym_struct; +} + +/* find an identifier */ +static inline Sym *sym_find(int v) +{ + v -= TOK_IDENT; + if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) + return NULL; + return table_ident[v]->sym_identifier; +} + +/* push a given symbol on the symbol stack */ +static Sym *sym_push(int v, CType *type, int r, int c) +{ + Sym *s, **ps; + TokenSym *ts; + + if (local_stack) + ps = &local_stack; + else + ps = &global_stack; + s = sym_push2(ps, v, type->t, c); + s->type.ref = type->ref; + s->r = r; + /* don't record fields or anonymous symbols */ + /* XXX: simplify */ + if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { + /* record symbol in token array */ + ts = table_ident[(v & ~SYM_STRUCT) - TOK_IDENT]; + if (v & SYM_STRUCT) + ps = &ts->sym_struct; + else + ps = &ts->sym_identifier; + s->prev_tok = *ps; + *ps = s; + } + return s; +} + +/* push a global identifier */ +static Sym *global_identifier_push(int v, int t, int c) +{ + Sym *s, **ps; + s = sym_push2(&global_stack, v, t, c); + /* don't record anonymous symbol */ + if (v < SYM_FIRST_ANOM) { + ps = &table_ident[v - TOK_IDENT]->sym_identifier; + /* modify the top most local identifier, so that + sym_identifier will point to 's' when popped */ + while (*ps != NULL) + ps = &(*ps)->prev_tok; + s->prev_tok = NULL; + *ps = s; + } + return s; +} + +/* pop symbols until top reaches 'b' */ +static void sym_pop(Sym **ptop, Sym *b) +{ + Sym *s, *ss, **ps; + TokenSym *ts; + int v; + + s = *ptop; + while(s != b) { + ss = s->prev; + v = s->v; + /* remove symbol in token array */ + /* XXX: simplify */ + if (!(v & SYM_FIELD) && (v & ~SYM_STRUCT) < SYM_FIRST_ANOM) { + ts = table_ident[(v & ~SYM_STRUCT) - TOK_IDENT]; + if (v & SYM_STRUCT) + ps = &ts->sym_struct; + else + ps = &ts->sym_identifier; + *ps = s->prev_tok; + } + sym_free(s); + s = ss; + } + *ptop = b; +} + +/* I/O layer */ + +BufferedFile *tcc_open(TCCState *s1, const char *filename) +{ + int fd; + BufferedFile *bf; + + fd = open(filename, O_RDONLY | O_BINARY); + if (fd < 0) + return NULL; + bf = tcc_malloc(sizeof(BufferedFile)); + if (!bf) { + close(fd); + return NULL; + } + bf->fd = fd; + bf->buf_ptr = bf->buffer; + bf->buf_end = bf->buffer; + bf->buffer[0] = CH_EOB; /* put eob symbol */ + pstrcpy(bf->filename, sizeof(bf->filename), filename); + bf->line_num = 1; + bf->ifndef_macro = 0; + bf->ifdef_stack_ptr = s1->ifdef_stack_ptr; + // printf("opening '%s'\n", filename); + return bf; +} + +void tcc_close(BufferedFile *bf) +{ + total_lines += bf->line_num; + close(bf->fd); + tcc_free(bf); +} + +/* fill input buffer and peek next char */ +static int tcc_peekc_slow(BufferedFile *bf) +{ + int len; + /* only tries to read if really end of buffer */ + if (bf->buf_ptr >= bf->buf_end) { + if (bf->fd != -1) { +#if defined(PARSE_DEBUG) + len = 8; +#else + len = IO_BUF_SIZE; +#endif + len = read(bf->fd, bf->buffer, len); + if (len < 0) + len = 0; + } else { + len = 0; + } + total_bytes += len; + bf->buf_ptr = bf->buffer; + bf->buf_end = bf->buffer + len; + *bf->buf_end = CH_EOB; + } + if (bf->buf_ptr < bf->buf_end) { + return bf->buf_ptr[0]; + } else { + bf->buf_ptr = bf->buf_end; + return CH_EOF; + } +} + +/* return the current character, handling end of block if necessary + (but not stray) */ +static int handle_eob(void) +{ + return tcc_peekc_slow(file); +} + +/* read next char from current input file and handle end of input buffer */ +static inline void inp(void) +{ + ch = *(++(file->buf_ptr)); + /* end of buffer/file handling */ + if (ch == CH_EOB) + ch = handle_eob(); +} + +/* handle '\[\r]\n' */ +static void handle_stray(void) +{ + while (ch == '\\') { + inp(); + if (ch == '\n') { + file->line_num++; + inp(); + } else if (ch == '\r') { + inp(); + if (ch != '\n') + goto fail; + file->line_num++; + inp(); + } else { + fail: + error("stray '\\' in program"); + } + } +} + +/* skip the stray and handle the \\n case. Output an error if + incorrect char after the stray */ +static int handle_stray1(uint8_t *p) +{ + int c; + + if (p >= file->buf_end) { + file->buf_ptr = p; + c = handle_eob(); + p = file->buf_ptr; + if (c == '\\') + goto parse_stray; + } else { + parse_stray: + file->buf_ptr = p; + ch = *p; + handle_stray(); + p = file->buf_ptr; + c = *p; + } + return c; +} + +/* handle just the EOB case, but not stray */ +#define PEEKC_EOB(c, p)\ +{\ + p++;\ + c = *p;\ + if (c == '\\') {\ + file->buf_ptr = p;\ + c = handle_eob();\ + p = file->buf_ptr;\ + }\ +} + +/* handle the complicated stray case */ +#define PEEKC(c, p)\ +{\ + p++;\ + c = *p;\ + if (c == '\\') {\ + c = handle_stray1(p);\ + p = file->buf_ptr;\ + }\ +} + +/* input with '\[\r]\n' handling. Note that this function cannot + handle other characters after '\', so you cannot call it inside + strings or comments */ +static void minp(void) +{ + inp(); + if (ch == '\\') + handle_stray(); +} + + +/* single line C++ comments */ +static uint8_t *parse_line_comment(uint8_t *p) +{ + int c; + + p++; + for(;;) { + c = *p; + redo: + if (c == '\n' || c == CH_EOF) { + break; + } else if (c == '\\') { + file->buf_ptr = p; + c = handle_eob(); + p = file->buf_ptr; + if (c == '\\') { + PEEKC_EOB(c, p); + if (c == '\n') { + file->line_num++; + PEEKC_EOB(c, p); + } else if (c == '\r') { + PEEKC_EOB(c, p); + if (c == '\n') { + file->line_num++; + PEEKC_EOB(c, p); + } + } + } else { + goto redo; + } + } else { + p++; + } + } + return p; +} + +/* C comments */ +static uint8_t *parse_comment(uint8_t *p) +{ + int c; + + p++; + for(;;) { + /* fast skip loop */ + for(;;) { + c = *p; + if (c == '\n' || c == '*' || c == '\\') + break; + p++; + c = *p; + if (c == '\n' || c == '*' || c == '\\') + break; + p++; + } + /* now we can handle all the cases */ + if (c == '\n') { + file->line_num++; + p++; + } else if (c == '*') { + p++; + for(;;) { + c = *p; + if (c == '*') { + p++; + } else if (c == '/') { + goto end_of_comment; + } else if (c == '\\') { + file->buf_ptr = p; + c = handle_eob(); + p = file->buf_ptr; + if (c == '\\') { + /* skip '\[\r]\n', otherwise just skip the stray */ + while (c == '\\') { + PEEKC_EOB(c, p); + if (c == '\n') { + file->line_num++; + PEEKC_EOB(c, p); + } else if (c == '\r') { + PEEKC_EOB(c, p); + if (c == '\n') { + file->line_num++; + PEEKC_EOB(c, p); + } + } else { + goto after_star; + } + } + } + } else { + break; + } + } + after_star: ; + } else { + /* stray, eob or eof */ + file->buf_ptr = p; + c = handle_eob(); + p = file->buf_ptr; + if (c == CH_EOF) { + error("unexpected end of file in comment"); + } else if (c == '\\') { + p++; + } + } + } + end_of_comment: + p++; + return p; +} + +#define cinp minp + +/* space exlcuding newline */ +static inline int is_space(int ch) +{ + return ch == ' ' || ch == '\t' || ch == '\v' || ch == '\f' || ch == '\r'; +} + +static inline void skip_spaces(void) +{ + while (is_space(ch)) + cinp(); +} + +/* parse a string without interpreting escapes */ +static uint8_t *parse_pp_string(uint8_t *p, + int sep, CString *str) +{ + int c; + p++; + for(;;) { + c = *p; + if (c == sep) { + break; + } else if (c == '\\') { + file->buf_ptr = p; + c = handle_eob(); + p = file->buf_ptr; + if (c == CH_EOF) { + unterminated_string: + /* XXX: indicate line number of start of string */ + error("missing terminating %c character", sep); + } else if (c == '\\') { + /* escape : just skip \[\r]\n */ + PEEKC_EOB(c, p); + if (c == '\n') { + file->line_num++; + p++; + } else if (c == '\r') { + PEEKC_EOB(c, p); + if (c != '\n') + expect("'\n' after '\r'"); + file->line_num++; + p++; + } else if (c == CH_EOF) { + goto unterminated_string; + } else { + if (str) { + cstr_ccat(str, '\\'); + cstr_ccat(str, c); + } + p++; + } + } + } else if (c == '\n') { + file->line_num++; + goto add_char; + } else if (c == '\r') { + PEEKC_EOB(c, p); + if (c != '\n') { + if (str) + cstr_ccat(str, '\r'); + } else { + file->line_num++; + goto add_char; + } + } else { + add_char: + if (str) + cstr_ccat(str, c); + p++; + } + } + p++; + return p; +} + +/* skip block of text until #else, #elif or #endif. skip also pairs of + #if/#endif */ +void preprocess_skip(void) +{ + int a, start_of_line, c; + uint8_t *p; + + p = file->buf_ptr; + start_of_line = 1; + a = 0; + for(;;) { + redo_no_start: + c = *p; + switch(c) { + case ' ': + case '\t': + case '\f': + case '\v': + case '\r': + p++; + goto redo_no_start; + case '\n': + start_of_line = 1; + file->line_num++; + p++; + goto redo_no_start; + case '\\': + file->buf_ptr = p; + c = handle_eob(); + if (c == CH_EOF) { + expect("#endif"); + } else if (c == '\\') { + /* XXX: incorrect: should not give an error */ + ch = file->buf_ptr[0]; + handle_stray(); + } + p = file->buf_ptr; + goto redo_no_start; + /* skip strings */ + case '\"': + case '\'': + p = parse_pp_string(p, c, NULL); + break; + /* skip comments */ + case '/': + file->buf_ptr = p; + ch = *p; + minp(); + p = file->buf_ptr; + if (ch == '*') { + p = parse_comment(p); + } else if (ch == '/') { + p = parse_line_comment(p); + } + break; + + case '#': + p++; + if (start_of_line) { + file->buf_ptr = p; + next_nomacro(); + p = file->buf_ptr; + if (a == 0 && + (tok == TOK_ELSE || tok == TOK_ELIF || tok == TOK_ENDIF)) + goto the_end; + if (tok == TOK_IF || tok == TOK_IFDEF || tok == TOK_IFNDEF) + a++; + else if (tok == TOK_ENDIF) + a--; + } + break; + default: + p++; + break; + } + start_of_line = 0; + } + the_end: ; + file->buf_ptr = p; +} + +/* ParseState handling */ + +/* XXX: currently, no include file info is stored. Thus, we cannot display + accurate messages if the function or data definition spans multiple + files */ + +/* save current parse state in 's' */ +void save_parse_state(ParseState *s) +{ + s->line_num = file->line_num; + s->macro_ptr = macro_ptr; + s->tok = tok; + s->tokc = tokc; +} + +/* restore parse state from 's' */ +void restore_parse_state(ParseState *s) +{ + file->line_num = s->line_num; + macro_ptr = s->macro_ptr; + tok = s->tok; + tokc = s->tokc; +} + +/* return the number of additional 'ints' necessary to store the + token */ +static inline int tok_ext_size(int t) +{ + switch(t) { + /* 4 bytes */ + case TOK_CINT: + case TOK_CUINT: + case TOK_CCHAR: + case TOK_LCHAR: + case TOK_CFLOAT: + case TOK_LINENUM: + return 1; + case TOK_STR: + case TOK_LSTR: + case TOK_PPNUM: + error("unsupported token"); + return 1; + case TOK_CDOUBLE: + case TOK_CLLONG: + case TOK_CULLONG: + return 2; + case TOK_CLDOUBLE: + return LDOUBLE_SIZE / 4; + default: + return 0; + } +} + +/* token string handling */ + +static inline void tok_str_new(TokenString *s) +{ + s->str = NULL; + s->len = 0; + s->allocated_len = 0; + s->last_line_num = -1; +} + +static void tok_str_free(int *str) +{ + tcc_free(str); +} + +static int *tok_str_realloc(TokenString *s) +{ + int *str, len; + + if (s->allocated_len == 0) { + len = 8; + } else { + len = s->allocated_len * 2; + } + str = tcc_realloc(s->str, len * sizeof(int)); + if (!str) + error("memory full"); + s->allocated_len = len; + s->str = str; + return str; +} + +static void tok_str_add(TokenString *s, int t) +{ + int len, *str; + + len = s->len; + str = s->str; + if (len >= s->allocated_len) + str = tok_str_realloc(s); + str[len++] = t; + s->len = len; +} + +static void tok_str_add2(TokenString *s, int t, CValue *cv) +{ + int len, *str; + + len = s->len; + str = s->str; + + /* allocate space for worst case */ + if (len + TOK_MAX_SIZE > s->allocated_len) + str = tok_str_realloc(s); + str[len++] = t; + switch(t) { + case TOK_CINT: + case TOK_CUINT: + case TOK_CCHAR: + case TOK_LCHAR: + case TOK_CFLOAT: + case TOK_LINENUM: + str[len++] = cv->tab[0]; + break; + case TOK_PPNUM: + case TOK_STR: + case TOK_LSTR: + { + int nb_words; + CString *cstr; + + nb_words = (sizeof(CString) + cv->cstr->size + 3) >> 2; + while ((len + nb_words) > s->allocated_len) + str = tok_str_realloc(s); + cstr = (CString *)(str + len); + cstr->data = NULL; + cstr->size = cv->cstr->size; + cstr->data_allocated = NULL; + cstr->size_allocated = cstr->size; + memcpy((char *)cstr + sizeof(CString), + cv->cstr->data, cstr->size); + len += nb_words; + } + break; + case TOK_CDOUBLE: + case TOK_CLLONG: + case TOK_CULLONG: +#if LDOUBLE_SIZE == 8 + case TOK_CLDOUBLE: +#endif + str[len++] = cv->tab[0]; + str[len++] = cv->tab[1]; + break; +#if LDOUBLE_SIZE == 12 + case TOK_CLDOUBLE: + str[len++] = cv->tab[0]; + str[len++] = cv->tab[1]; + str[len++] = cv->tab[2]; +#elif LDOUBLE_SIZE != 8 +#error add long double size support +#endif + break; + default: + break; + } + s->len = len; +} + +/* add the current parse token in token string 's' */ +static void tok_str_add_tok(TokenString *s) +{ + CValue cval; + + /* save line number info */ + if (file->line_num != s->last_line_num) { + s->last_line_num = file->line_num; + cval.i = s->last_line_num; + tok_str_add2(s, TOK_LINENUM, &cval); + } + tok_str_add2(s, tok, &tokc); +} + +#if LDOUBLE_SIZE == 12 +#define LDOUBLE_GET(p, cv) \ + cv.tab[0] = p[0]; \ + cv.tab[1] = p[1]; \ + cv.tab[2] = p[2]; +#elif LDOUBLE_SIZE == 8 +#define LDOUBLE_GET(p, cv) \ + cv.tab[0] = p[0]; \ + cv.tab[1] = p[1]; +#else +#error add long double size support +#endif + + +/* get a token from an integer array and increment pointer + accordingly. we code it as a macro to avoid pointer aliasing. */ +#define TOK_GET(t, p, cv) \ +{ \ + t = *p++; \ + switch(t) { \ + case TOK_CINT: \ + case TOK_CUINT: \ + case TOK_CCHAR: \ + case TOK_LCHAR: \ + case TOK_CFLOAT: \ + case TOK_LINENUM: \ + cv.tab[0] = *p++; \ + break; \ + case TOK_STR: \ + case TOK_LSTR: \ + case TOK_PPNUM: \ + cv.cstr = (CString *)p; \ + cv.cstr->data = (char *)p + sizeof(CString);\ + p += (sizeof(CString) + cv.cstr->size + 3) >> 2;\ + break; \ + case TOK_CDOUBLE: \ + case TOK_CLLONG: \ + case TOK_CULLONG: \ + cv.tab[0] = p[0]; \ + cv.tab[1] = p[1]; \ + p += 2; \ + break; \ + case TOK_CLDOUBLE: \ + LDOUBLE_GET(p, cv); \ + p += LDOUBLE_SIZE / 4; \ + break; \ + default: \ + break; \ + } \ +} + +/* defines handling */ +static inline void define_push(int v, int macro_type, int *str, Sym *first_arg) +{ + Sym *s; + + s = sym_push2(&define_stack, v, macro_type, (int)str); + s->next = first_arg; + table_ident[v - TOK_IDENT]->sym_define = s; +} + +/* undefined a define symbol. Its name is just set to zero */ +static void define_undef(Sym *s) +{ + int v; + v = s->v; + if (v >= TOK_IDENT && v < tok_ident) + table_ident[v - TOK_IDENT]->sym_define = NULL; + s->v = 0; +} + +static inline Sym *define_find(int v) +{ + v -= TOK_IDENT; + if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) + return NULL; + return table_ident[v]->sym_define; +} + +/* free define stack until top reaches 'b' */ +static void free_defines(Sym *b) +{ + Sym *top, *top1; + int v; + + top = define_stack; + while (top != b) { + top1 = top->prev; + /* do not free args or predefined defines */ + if (top->c) + tok_str_free((int *)top->c); + v = top->v; + if (v >= TOK_IDENT && v < tok_ident) + table_ident[v - TOK_IDENT]->sym_define = NULL; + sym_free(top); + top = top1; + } + define_stack = b; +} + +/* label lookup */ +static Sym *label_find(int v) +{ + v -= TOK_IDENT; + if ((unsigned)v >= (unsigned)(tok_ident - TOK_IDENT)) + return NULL; + return table_ident[v]->sym_label; +} + +static Sym *label_push(Sym **ptop, int v, int flags) +{ + Sym *s, **ps; + s = sym_push2(ptop, v, 0, 0); + s->r = flags; + ps = &table_ident[v - TOK_IDENT]->sym_label; + if (ptop == &global_label_stack) { + /* modify the top most local identifier, so that + sym_identifier will point to 's' when popped */ + while (*ps != NULL) + ps = &(*ps)->prev_tok; + } + s->prev_tok = *ps; + *ps = s; + return s; +} + +/* pop labels until element last is reached. Look if any labels are + undefined. Define symbols if '&&label' was used. */ +static void label_pop(Sym **ptop, Sym *slast) +{ + Sym *s, *s1; + for(s = *ptop; s != slast; s = s1) { + s1 = s->prev; + if (s->r == LABEL_DECLARED) { + warning("label '%s' declared but not used", get_tok_str(s->v, NULL)); + } else if (s->r == LABEL_FORWARD) { + error("label '%s' used but not defined", + get_tok_str(s->v, NULL)); + } else { + if (s->c) { + /* define corresponding symbol. A size of + 1 is put. */ + put_extern_sym(s, cur_text_section, (long)s->next, 1); + } + } + /* remove label */ + table_ident[s->v - TOK_IDENT]->sym_label = s->prev_tok; + sym_free(s); + } + *ptop = slast; +} + +/* eval an expression for #if/#elif */ +static int expr_preprocess(void) +{ + int c, t; + TokenString str; + + tok_str_new(&str); + while (tok != TOK_LINEFEED && tok != TOK_EOF) { + next(); /* do macro subst */ + if (tok == TOK_DEFINED) { + next_nomacro(); + t = tok; + if (t == '(') + next_nomacro(); + c = define_find(tok) != 0; + if (t == '(') + next_nomacro(); + tok = TOK_CINT; + tokc.i = c; + } else if (tok >= TOK_IDENT) { + /* if undefined macro */ + tok = TOK_CINT; + tokc.i = 0; + } + tok_str_add_tok(&str); + } + tok_str_add(&str, -1); /* simulate end of file */ + tok_str_add(&str, 0); + /* now evaluate C constant expression */ + macro_ptr = str.str; + next(); + c = expr_const(); + macro_ptr = NULL; + tok_str_free(str.str); + return c != 0; +} + +#if defined(PARSE_DEBUG) || defined(PP_DEBUG) +static void tok_print(int *str) +{ + int t; + CValue cval; + + while (1) { + TOK_GET(t, str, cval); + if (!t) + break; + printf(" %s", get_tok_str(t, &cval)); + } + printf("\n"); +} +#endif + +/* parse after #define */ +static void parse_define(void) +{ + Sym *s, *first, **ps; + int v, t, varg, is_vaargs, c; + TokenString str; + + v = tok; + if (v < TOK_IDENT) + error("invalid macro name '%s'", get_tok_str(tok, &tokc)); + /* XXX: should check if same macro (ANSI) */ + first = NULL; + t = MACRO_OBJ; + /* '(' must be just after macro definition for MACRO_FUNC */ + c = file->buf_ptr[0]; + if (c == '\\') + c = handle_stray1(file->buf_ptr); + if (c == '(') { + next_nomacro(); + next_nomacro(); + ps = &first; + while (tok != ')') { + varg = tok; + next_nomacro(); + is_vaargs = 0; + if (varg == TOK_DOTS) { + varg = TOK___VA_ARGS__; + is_vaargs = 1; + } else if (tok == TOK_DOTS && gnu_ext) { + is_vaargs = 1; + next_nomacro(); + } + if (varg < TOK_IDENT) + error("badly punctuated parameter list"); + s = sym_push2(&define_stack, varg | SYM_FIELD, is_vaargs, 0); + *ps = s; + ps = &s->next; + if (tok != ',') + break; + next_nomacro(); + } + t = MACRO_FUNC; + } + tok_str_new(&str); + next_nomacro(); + /* EOF testing necessary for '-D' handling */ + while (tok != TOK_LINEFEED && tok != TOK_EOF) { + tok_str_add2(&str, tok, &tokc); + next_nomacro(); + } + tok_str_add(&str, 0); +#ifdef PP_DEBUG + printf("define %s %d: ", get_tok_str(v, NULL), t); + tok_print(str.str); +#endif + define_push(v, t, str.str, first); +} + +static inline int hash_cached_include(int type, const char *filename) +{ + const unsigned char *s; + unsigned int h; + + h = TOK_HASH_INIT; + h = TOK_HASH_FUNC(h, type); + s = filename; + while (*s) { + h = TOK_HASH_FUNC(h, *s); + s++; + } + h &= (CACHED_INCLUDES_HASH_SIZE - 1); + return h; +} + +/* XXX: use a token or a hash table to accelerate matching ? */ +static CachedInclude *search_cached_include(TCCState *s1, + int type, const char *filename) +{ + CachedInclude *e; + int i, h; + h = hash_cached_include(type, filename); + i = s1->cached_includes_hash[h]; + for(;;) { + if (i == 0) + break; + e = s1->cached_includes[i - 1]; + if (e->type == type && !strcmp(e->filename, filename)) + return e; + i = e->hash_next; + } + return NULL; +} + +static inline void add_cached_include(TCCState *s1, int type, + const char *filename, int ifndef_macro) +{ + CachedInclude *e; + int h; + + if (search_cached_include(s1, type, filename)) + return; +#ifdef INC_DEBUG + printf("adding cached '%s' %s\n", filename, get_tok_str(ifndef_macro, NULL)); +#endif + e = tcc_malloc(sizeof(CachedInclude) + strlen(filename)); + if (!e) + return; + e->type = type; + strcpy(e->filename, filename); + e->ifndef_macro = ifndef_macro; + dynarray_add((void ***)&s1->cached_includes, &s1->nb_cached_includes, e); + /* add in hash table */ + h = hash_cached_include(type, filename); + e->hash_next = s1->cached_includes_hash[h]; + s1->cached_includes_hash[h] = s1->nb_cached_includes; +} + +static void pragma_parse(TCCState *s1) +{ + int val; + + next(); + if (tok == TOK_pack) { + /* + This may be: + #pragma pack(1) // set + #pragma pack() // reset to default + #pragma pack(push,1) // push & set + #pragma pack(pop) // restore previous + */ + next(); + skip('('); + if (tok == TOK_ASM_pop) { + next(); + if (s1->pack_stack_ptr <= s1->pack_stack) { + stk_error: + error("out of pack stack"); + } + s1->pack_stack_ptr--; + } else { + val = 0; + if (tok != ')') { + if (tok == TOK_ASM_push) { + next(); + if (s1->pack_stack_ptr >= s1->pack_stack + PACK_STACK_SIZE - 1) + goto stk_error; + s1->pack_stack_ptr++; + skip(','); + } + if (tok != TOK_CINT) { + pack_error: + error("invalid pack pragma"); + } + val = tokc.i; + if (val < 1 || val > 16 || (val & (val - 1)) != 0) + goto pack_error; + next(); + } + *s1->pack_stack_ptr = val; + skip(')'); + } + } +} + +/* is_bof is true if first non space token at beginning of file */ +static void preprocess(int is_bof) +{ + TCCState *s1 = tcc_state; + int size, i, c, n, saved_parse_flags; + char buf[1024], *q, *p; + char buf1[1024]; + BufferedFile *f; + Sym *s; + CachedInclude *e; + + saved_parse_flags = parse_flags; + parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM | + PARSE_FLAG_LINEFEED; + next_nomacro(); + redo: + switch(tok) { + case TOK_DEFINE: + next_nomacro(); + parse_define(); + break; + case TOK_UNDEF: + next_nomacro(); + s = define_find(tok); + /* undefine symbol by putting an invalid name */ + if (s) + define_undef(s); + break; + case TOK_INCLUDE: + case TOK_INCLUDE_NEXT: + ch = file->buf_ptr[0]; + /* XXX: incorrect if comments : use next_nomacro with a special mode */ + skip_spaces(); + if (ch == '<') { + c = '>'; + goto read_name; + } else if (ch == '\"') { + c = ch; + read_name: + /* XXX: better stray handling */ + minp(); + q = buf; + while (ch != c && ch != '\n' && ch != CH_EOF) { + if ((q - buf) < sizeof(buf) - 1) + *q++ = ch; + minp(); + } + *q = '\0'; + minp(); +#if 0 + /* eat all spaces and comments after include */ + /* XXX: slightly incorrect */ + while (ch1 != '\n' && ch1 != CH_EOF) + inp(); +#endif + } else { + /* computed #include : either we have only strings or + we have anything enclosed in '<>' */ + next(); + buf[0] = '\0'; + if (tok == TOK_STR) { + while (tok != TOK_LINEFEED) { + if (tok != TOK_STR) { + include_syntax: + error("'#include' expects \"FILENAME\" or <FILENAME>"); + } + pstrcat(buf, sizeof(buf), (char *)tokc.cstr->data); + next(); + } + c = '\"'; + } else { + int len; + while (tok != TOK_LINEFEED) { + pstrcat(buf, sizeof(buf), get_tok_str(tok, &tokc)); + next(); + } + len = strlen(buf); + /* check syntax and remove '<>' */ + if (len < 2 || buf[0] != '<' || buf[len - 1] != '>') + goto include_syntax; + memmove(buf, buf + 1, len - 2); + buf[len - 2] = '\0'; + c = '>'; + } + } + + e = search_cached_include(s1, c, buf); + if (e && define_find(e->ifndef_macro)) { + /* no need to parse the include because the 'ifndef macro' + is defined */ +#ifdef INC_DEBUG + printf("%s: skipping %s\n", file->filename, buf); +#endif + } else { + if (c == '\"') { + /* first search in current dir if "header.h" */ + size = 0; + p = strrchr(file->filename, '/'); + if (p) + size = p + 1 - file->filename; + if (size > sizeof(buf1) - 1) + size = sizeof(buf1) - 1; + memcpy(buf1, file->filename, size); + buf1[size] = '\0'; + pstrcat(buf1, sizeof(buf1), buf); + f = tcc_open(s1, buf1); + if (f) { + if (tok == TOK_INCLUDE_NEXT) + tok = TOK_INCLUDE; + else + goto found; + } + } + if (s1->include_stack_ptr >= s1->include_stack + INCLUDE_STACK_SIZE) + error("#include recursion too deep"); + /* now search in all the include paths */ + n = s1->nb_include_paths + s1->nb_sysinclude_paths; + for(i = 0; i < n; i++) { + const char *path; + if (i < s1->nb_include_paths) + path = s1->include_paths[i]; + else + path = s1->sysinclude_paths[i - s1->nb_include_paths]; + pstrcpy(buf1, sizeof(buf1), path); + pstrcat(buf1, sizeof(buf1), "/"); + pstrcat(buf1, sizeof(buf1), buf); + f = tcc_open(s1, buf1); + if (f) { + if (tok == TOK_INCLUDE_NEXT) + tok = TOK_INCLUDE; + else + goto found; + } + } + error("include file '%s' not found", buf); + f = NULL; + found: +#ifdef INC_DEBUG + printf("%s: including %s\n", file->filename, buf1); +#endif + f->inc_type = c; + pstrcpy(f->inc_filename, sizeof(f->inc_filename), buf); + /* push current file in stack */ + /* XXX: fix current line init */ + *s1->include_stack_ptr++ = file; + file = f; + /* add include file debug info */ + if (do_debug) { + put_stabs(file->filename, N_BINCL, 0, 0, 0); + } + tok_flags |= TOK_FLAG_BOF | TOK_FLAG_BOL; + ch = file->buf_ptr[0]; + goto the_end; + } + break; + case TOK_IFNDEF: + c = 1; + goto do_ifdef; + case TOK_IF: + c = expr_preprocess(); + goto do_if; + case TOK_IFDEF: + c = 0; + do_ifdef: + next_nomacro(); + if (tok < TOK_IDENT) + error("invalid argument for '#if%sdef'", c ? "n" : ""); + if (is_bof) { + if (c) { +#ifdef INC_DEBUG + printf("#ifndef %s\n", get_tok_str(tok, NULL)); +#endif + file->ifndef_macro = tok; + } + } + c = (define_find(tok) != 0) ^ c; + do_if: + if (s1->ifdef_stack_ptr >= s1->ifdef_stack + IFDEF_STACK_SIZE) + error("memory full"); + *s1->ifdef_stack_ptr++ = c; + goto test_skip; + case TOK_ELSE: + if (s1->ifdef_stack_ptr == s1->ifdef_stack) + error("#else without matching #if"); + if (s1->ifdef_stack_ptr[-1] & 2) + error("#else after #else"); + c = (s1->ifdef_stack_ptr[-1] ^= 3); + goto test_skip; + case TOK_ELIF: + if (s1->ifdef_stack_ptr == s1->ifdef_stack) + error("#elif without matching #if"); + c = s1->ifdef_stack_ptr[-1]; + if (c > 1) + error("#elif after #else"); + /* last #if/#elif expression was true: we skip */ + if (c == 1) + goto skip; + c = expr_preprocess(); + s1->ifdef_stack_ptr[-1] = c; + test_skip: + if (!(c & 1)) { + skip: + preprocess_skip(); + is_bof = 0; + goto redo; + } + break; + case TOK_ENDIF: + if (s1->ifdef_stack_ptr <= file->ifdef_stack_ptr) + error("#endif without matching #if"); + s1->ifdef_stack_ptr--; + /* '#ifndef macro' was at the start of file. Now we check if + an '#endif' is exactly at the end of file */ + if (file->ifndef_macro && + s1->ifdef_stack_ptr == file->ifdef_stack_ptr) { + file->ifndef_macro_saved = file->ifndef_macro; + /* need to set to zero to avoid false matches if another + #ifndef at middle of file */ + file->ifndef_macro = 0; + while (tok != TOK_LINEFEED) + next_nomacro(); + tok_flags |= TOK_FLAG_ENDIF; + goto the_end; + } + break; + case TOK_LINE: + next(); + if (tok != TOK_CINT) + error("#line"); + file->line_num = tokc.i - 1; /* the line number will be incremented after */ + next(); + if (tok != TOK_LINEFEED) { + if (tok != TOK_STR) + error("#line"); + pstrcpy(file->filename, sizeof(file->filename), + (char *)tokc.cstr->data); + } + break; + case TOK_ERROR: + case TOK_WARNING: + c = tok; + ch = file->buf_ptr[0]; + skip_spaces(); + q = buf; + while (ch != '\n' && ch != CH_EOF) { + if ((q - buf) < sizeof(buf) - 1) + *q++ = ch; + minp(); + } + *q = '\0'; + if (c == TOK_ERROR) + error("#error %s", buf); + else + warning("#warning %s", buf); + break; + case TOK_PRAGMA: + pragma_parse(s1); + break; + default: + if (tok == TOK_LINEFEED || tok == '!' || tok == TOK_CINT) { + /* '!' is ignored to allow C scripts. numbers are ignored + to emulate cpp behaviour */ + } else { + if (!(saved_parse_flags & PARSE_FLAG_ASM_COMMENTS)) + error("invalid preprocessing directive #%s", get_tok_str(tok, &tokc)); + } + break; + } + /* ignore other preprocess commands or #! for C scripts */ + while (tok != TOK_LINEFEED) + next_nomacro(); + the_end: + parse_flags = saved_parse_flags; +} + +/* evaluate escape codes in a string. */ +static void parse_escape_string(CString *outstr, const uint8_t *buf, int is_long) +{ + int c, n; + const uint8_t *p; + + p = buf; + for(;;) { + c = *p; + if (c == '\0') + break; + if (c == '\\') { + p++; + /* escape */ + c = *p; + switch(c) { + case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + /* at most three octal digits */ + n = c - '0'; + p++; + c = *p; + if (isoct(c)) { + n = n * 8 + c - '0'; + p++; + c = *p; + if (isoct(c)) { + n = n * 8 + c - '0'; + p++; + } + } + c = n; + goto add_char_nonext; + case 'x': + p++; + n = 0; + for(;;) { + c = *p; + if (c >= 'a' && c <= 'f') + c = c - 'a' + 10; + else if (c >= 'A' && c <= 'F') + c = c - 'A' + 10; + else if (isnum(c)) + c = c - '0'; + else + break; + n = n * 16 + c; + p++; + } + c = n; + goto add_char_nonext; + case 'a': + c = '\a'; + break; + case 'b': + c = '\b'; + break; + case 'f': + c = '\f'; + break; + case 'n': + c = '\n'; + break; + case 'r': + c = '\r'; + break; + case 't': + c = '\t'; + break; + case 'v': + c = '\v'; + break; + case 'e': + if (!gnu_ext) + goto invalid_escape; + c = 27; + break; + case '\'': + case '\"': + case '\\': + case '?': + break; + default: + invalid_escape: + if (c >= '!' && c <= '~') + warning("unknown escape sequence: \'\\%c\'", c); + else + warning("unknown escape sequence: \'\\x%x\'", c); + break; + } + } + p++; + add_char_nonext: + if (!is_long) + cstr_ccat(outstr, c); + else + cstr_wccat(outstr, c); + } + /* add a trailing '\0' */ + if (!is_long) + cstr_ccat(outstr, '\0'); + else + cstr_wccat(outstr, '\0'); +} + +/* we use 64 bit numbers */ +#define BN_SIZE 2 + +/* bn = (bn << shift) | or_val */ +void bn_lshift(unsigned int *bn, int shift, int or_val) +{ + int i; + unsigned int v; + for(i=0;i<BN_SIZE;i++) { + v = bn[i]; + bn[i] = (v << shift) | or_val; + or_val = v >> (32 - shift); + } +} + +void bn_zero(unsigned int *bn) +{ + int i; + for(i=0;i<BN_SIZE;i++) { + bn[i] = 0; + } +} + +/* parse number in null terminated string 'p' and return it in the + current token */ +void parse_number(const char *p) +{ + int b, t, shift, frac_bits, s, exp_val, ch; + char *q; + unsigned int bn[BN_SIZE]; + double d; + + /* number */ + q = token_buf; + ch = *p++; + t = ch; + ch = *p++; + *q++ = t; + b = 10; + if (t == '.') { + goto float_frac_parse; + } else if (t == '0') { + if (ch == 'x' || ch == 'X') { + q--; + ch = *p++; + b = 16; + } else if (tcc_ext && (ch == 'b' || ch == 'B')) { + q--; + ch = *p++; + b = 2; + } + } + /* parse all digits. cannot check octal numbers at this stage + because of floating point constants */ + while (1) { + if (ch >= 'a' && ch <= 'f') + t = ch - 'a' + 10; + else if (ch >= 'A' && ch <= 'F') + t = ch - 'A' + 10; + else if (isnum(ch)) + t = ch - '0'; + else + break; + if (t >= b) + break; + if (q >= token_buf + STRING_MAX_SIZE) { + num_too_long: + error("number too long"); + } + *q++ = ch; + ch = *p++; + } + if (ch == '.' || + ((ch == 'e' || ch == 'E') && b == 10) || + ((ch == 'p' || ch == 'P') && (b == 16 || b == 2))) { + if (b != 10) { + /* NOTE: strtox should support that for hexa numbers, but + non ISOC99 libcs do not support it, so we prefer to do + it by hand */ + /* hexadecimal or binary floats */ + /* XXX: handle overflows */ + *q = '\0'; + if (b == 16) + shift = 4; + else + shift = 2; + bn_zero(bn); + q = token_buf; + while (1) { + t = *q++; + if (t == '\0') { + break; + } else if (t >= 'a') { + t = t - 'a' + 10; + } else if (t >= 'A') { + t = t - 'A' + 10; + } else { + t = t - '0'; + } + bn_lshift(bn, shift, t); + } + frac_bits = 0; + if (ch == '.') { + ch = *p++; + while (1) { + t = ch; + if (t >= 'a' && t <= 'f') { + t = t - 'a' + 10; + } else if (t >= 'A' && t <= 'F') { + t = t - 'A' + 10; + } else if (t >= '0' && t <= '9') { + t = t - '0'; + } else { + break; + } + if (t >= b) + error("invalid digit"); + bn_lshift(bn, shift, t); + frac_bits += shift; + ch = *p++; + } + } + if (ch != 'p' && ch != 'P') + expect("exponent"); + ch = *p++; + s = 1; + exp_val = 0; + if (ch == '+') { + ch = *p++; + } else if (ch == '-') { + s = -1; + ch = *p++; + } + if (ch < '0' || ch > '9') + expect("exponent digits"); + while (ch >= '0' && ch <= '9') { + exp_val = exp_val * 10 + ch - '0'; + ch = *p++; + } + exp_val = exp_val * s; + + /* now we can generate the number */ + /* XXX: should patch directly float number */ + d = (double)bn[1] * 4294967296.0 + (double)bn[0]; + d = ldexp(d, exp_val - frac_bits); + t = toup(ch); + if (t == 'F') { + ch = *p++; + tok = TOK_CFLOAT; + /* float : should handle overflow */ + tokc.f = (float)d; + } else if (t == 'L') { + ch = *p++; + tok = TOK_CLDOUBLE; + /* XXX: not large enough */ + tokc.ld = (long double)d; + } else { + tok = TOK_CDOUBLE; + tokc.d = d; + } + } else { + /* decimal floats */ + if (ch == '.') { + if (q >= token_buf + STRING_MAX_SIZE) + goto num_too_long; + *q++ = ch; + ch = *p++; + float_frac_parse: + while (ch >= '0' && ch <= '9') { + if (q >= token_buf + STRING_MAX_SIZE) + goto num_too_long; + *q++ = ch; + ch = *p++; + } + } + if (ch == 'e' || ch == 'E') { + if (q >= token_buf + STRING_MAX_SIZE) + goto num_too_long; + *q++ = ch; + ch = *p++; + if (ch == '-' || ch == '+') { + if (q >= token_buf + STRING_MAX_SIZE) + goto num_too_long; + *q++ = ch; + ch = *p++; + } + if (ch < '0' || ch > '9') + expect("exponent digits"); + while (ch >= '0' && ch <= '9') { + if (q >= token_buf + STRING_MAX_SIZE) + goto num_too_long; + *q++ = ch; + ch = *p++; + } + } + *q = '\0'; + t = toup(ch); + errno = 0; + if (t == 'F') { + ch = *p++; + tok = TOK_CFLOAT; + tokc.f = strtof(token_buf, NULL); + } else if (t == 'L') { + ch = *p++; + tok = TOK_CLDOUBLE; + tokc.ld = strtold(token_buf, NULL); + } else { + tok = TOK_CDOUBLE; + tokc.d = strtod(token_buf, NULL); + } + } + } else { + unsigned long long n, n1; + int lcount, ucount; + + /* integer number */ + *q = '\0'; + q = token_buf; + if (b == 10 && *q == '0') { + b = 8; + q++; + } + n = 0; + while(1) { + t = *q++; + /* no need for checks except for base 10 / 8 errors */ + if (t == '\0') { + break; + } else if (t >= 'a') { + t = t - 'a' + 10; + } else if (t >= 'A') { + t = t - 'A' + 10; + } else { + t = t - '0'; + if (t >= b) + error("invalid digit"); + } + n1 = n; + n = n * b + t; + /* detect overflow */ + /* XXX: this test is not reliable */ + if (n < n1) + error("integer constant overflow"); + } + + /* XXX: not exactly ANSI compliant */ + if ((n & 0xffffffff00000000LL) != 0) { + if ((n >> 63) != 0) + tok = TOK_CULLONG; + else + tok = TOK_CLLONG; + } else if (n > 0x7fffffff) { + tok = TOK_CUINT; + } else { + tok = TOK_CINT; + } + lcount = 0; + ucount = 0; + for(;;) { + t = toup(ch); + if (t == 'L') { + if (lcount >= 2) + error("three 'l's in integer constant"); + lcount++; + if (lcount == 2) { + if (tok == TOK_CINT) + tok = TOK_CLLONG; + else if (tok == TOK_CUINT) + tok = TOK_CULLONG; + } + ch = *p++; + } else if (t == 'U') { + if (ucount >= 1) + error("two 'u's in integer constant"); + ucount++; + if (tok == TOK_CINT) + tok = TOK_CUINT; + else if (tok == TOK_CLLONG) + tok = TOK_CULLONG; + ch = *p++; + } else { + break; + } + } + if (tok == TOK_CINT || tok == TOK_CUINT) + tokc.ui = n; + else + tokc.ull = n; + } +} + + +#define PARSE2(c1, tok1, c2, tok2) \ + case c1: \ + PEEKC(c, p); \ + if (c == c2) { \ + p++; \ + tok = tok2; \ + } else { \ + tok = tok1; \ + } \ + break; + +/* return next token without macro substitution */ +static inline void next_nomacro1(void) +{ + int t, c, is_long; + TokenSym *ts; + uint8_t *p, *p1; + unsigned int h; + + p = file->buf_ptr; + redo_no_start: + c = *p; + switch(c) { + case ' ': + case '\t': + case '\f': + case '\v': + case '\r': + p++; + goto redo_no_start; + + case '\\': + /* first look if it is in fact an end of buffer */ + if (p >= file->buf_end) { + file->buf_ptr = p; + handle_eob(); + p = file->buf_ptr; + if (p >= file->buf_end) + goto parse_eof; + else + goto redo_no_start; + } else { + file->buf_ptr = p; + ch = *p; + handle_stray(); + p = file->buf_ptr; + goto redo_no_start; + } + parse_eof: + { + TCCState *s1 = tcc_state; + if (parse_flags & PARSE_FLAG_LINEFEED) { + tok = TOK_LINEFEED; + } else if (s1->include_stack_ptr == s1->include_stack || + !(parse_flags & PARSE_FLAG_PREPROCESS)) { + /* no include left : end of file. */ + tok = TOK_EOF; + } else { + /* pop include file */ + + /* test if previous '#endif' was after a #ifdef at + start of file */ + if (tok_flags & TOK_FLAG_ENDIF) { +#ifdef INC_DEBUG + printf("#endif %s\n", get_tok_str(file->ifndef_macro_saved, NULL)); +#endif + add_cached_include(s1, file->inc_type, file->inc_filename, + file->ifndef_macro_saved); + } + + /* add end of include file debug info */ + if (do_debug) { + put_stabd(N_EINCL, 0, 0); + } + /* pop include stack */ + tcc_close(file); + s1->include_stack_ptr--; + file = *s1->include_stack_ptr; + p = file->buf_ptr; + goto redo_no_start; + } + } + break; + + case '\n': + if (parse_flags & PARSE_FLAG_LINEFEED) { + tok = TOK_LINEFEED; + } else { + file->line_num++; + tok_flags |= TOK_FLAG_BOL; + p++; + goto redo_no_start; + } + break; + + case '#': + /* XXX: simplify */ + PEEKC(c, p); + if ((tok_flags & TOK_FLAG_BOL) && + (parse_flags & PARSE_FLAG_PREPROCESS)) { + file->buf_ptr = p; + preprocess(tok_flags & TOK_FLAG_BOF); + p = file->buf_ptr; + goto redo_no_start; + } else { + if (c == '#') { + p++; + tok = TOK_TWOSHARPS; + } else { + if (parse_flags & PARSE_FLAG_ASM_COMMENTS) { + p = parse_line_comment(p - 1); + goto redo_no_start; + } else { + tok = '#'; + } + } + } + break; + + case 'a': case 'b': case 'c': case 'd': + case 'e': case 'f': case 'g': case 'h': + case 'i': case 'j': case 'k': case 'l': + case 'm': case 'n': case 'o': case 'p': + case 'q': case 'r': case 's': case 't': + case 'u': case 'v': case 'w': case 'x': + case 'y': case 'z': + case 'A': case 'B': case 'C': case 'D': + case 'E': case 'F': case 'G': case 'H': + case 'I': case 'J': case 'K': + case 'M': case 'N': case 'O': case 'P': + case 'Q': case 'R': case 'S': case 'T': + case 'U': case 'V': case 'W': case 'X': + case 'Y': case 'Z': + case '_': + parse_ident_fast: + p1 = p; + h = TOK_HASH_INIT; + h = TOK_HASH_FUNC(h, c); + p++; + for(;;) { + c = *p; + if (!isidnum_table[c]) + break; + h = TOK_HASH_FUNC(h, c); + p++; + } + if (c != '\\') { + TokenSym **pts; + int len; + + /* fast case : no stray found, so we have the full token + and we have already hashed it */ + len = p - p1; + h &= (TOK_HASH_SIZE - 1); + pts = &hash_ident[h]; + for(;;) { + ts = *pts; + if (!ts) + break; + if (ts->len == len && !memcmp(ts->str, p1, len)) + goto token_found; + pts = &(ts->hash_next); + } + ts = tok_alloc_new(pts, p1, len); + token_found: ; + } else { + /* slower case */ + cstr_reset(&tokcstr); + + while (p1 < p) { + cstr_ccat(&tokcstr, *p1); + p1++; + } + p--; + PEEKC(c, p); + parse_ident_slow: + while (isidnum_table[c]) { + cstr_ccat(&tokcstr, c); + PEEKC(c, p); + } + ts = tok_alloc(tokcstr.data, tokcstr.size); + } + tok = ts->tok; + break; + case 'L': + t = p[1]; + if (t != '\\' && t != '\'' && t != '\"') { + /* fast case */ + goto parse_ident_fast; + } else { + PEEKC(c, p); + if (c == '\'' || c == '\"') { + is_long = 1; + goto str_const; + } else { + cstr_reset(&tokcstr); + cstr_ccat(&tokcstr, 'L'); + goto parse_ident_slow; + } + } + break; + case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + case '8': case '9': + + cstr_reset(&tokcstr); + /* after the first digit, accept digits, alpha, '.' or sign if + prefixed by 'eEpP' */ + parse_num: + for(;;) { + t = c; + cstr_ccat(&tokcstr, c); + PEEKC(c, p); + if (!(isnum(c) || isid(c) || c == '.' || + ((c == '+' || c == '-') && + (t == 'e' || t == 'E' || t == 'p' || t == 'P')))) + break; + } + /* We add a trailing '\0' to ease parsing */ + cstr_ccat(&tokcstr, '\0'); + tokc.cstr = &tokcstr; + tok = TOK_PPNUM; + break; + case '.': + /* special dot handling because it can also start a number */ + PEEKC(c, p); + if (isnum(c)) { + cstr_reset(&tokcstr); + cstr_ccat(&tokcstr, '.'); + goto parse_num; + } else if (c == '.') { + PEEKC(c, p); + if (c != '.') + expect("'.'"); + PEEKC(c, p); + tok = TOK_DOTS; + } else { + tok = '.'; + } + break; + case '\'': + case '\"': + is_long = 0; + str_const: + { + CString str; + int sep; + + sep = c; + + /* parse the string */ + cstr_new(&str); + p = parse_pp_string(p, sep, &str); + cstr_ccat(&str, '\0'); + + /* eval the escape (should be done as TOK_PPNUM) */ + cstr_reset(&tokcstr); + parse_escape_string(&tokcstr, str.data, is_long); + cstr_free(&str); + + if (sep == '\'') { + int char_size; + /* XXX: make it portable */ + if (!is_long) + char_size = 1; + else + char_size = sizeof(int); + if (tokcstr.size <= char_size) + error("empty character constant"); + if (tokcstr.size > 2 * char_size) + warning("multi-character character constant"); + if (!is_long) { + tokc.i = *(int8_t *)tokcstr.data; + tok = TOK_CCHAR; + } else { + tokc.i = *(int *)tokcstr.data; + tok = TOK_LCHAR; + } + } else { + tokc.cstr = &tokcstr; + if (!is_long) + tok = TOK_STR; + else + tok = TOK_LSTR; + } + } + break; + + case '<': + PEEKC(c, p); + if (c == '=') { + p++; + tok = TOK_LE; + } else if (c == '<') { + PEEKC(c, p); + if (c == '=') { + p++; + tok = TOK_A_SHL; + } else { + tok = TOK_SHL; + } + } else { + tok = TOK_LT; + } + break; + + case '>': + PEEKC(c, p); + if (c == '=') { + p++; + tok = TOK_GE; + } else if (c == '>') { + PEEKC(c, p); + if (c == '=') { + p++; + tok = TOK_A_SAR; + } else { + tok = TOK_SAR; + } + } else { + tok = TOK_GT; + } + break; + + case '&': + PEEKC(c, p); + if (c == '&') { + p++; + tok = TOK_LAND; + } else if (c == '=') { + p++; + tok = TOK_A_AND; + } else { + tok = '&'; + } + break; + + case '|': + PEEKC(c, p); + if (c == '|') { + p++; + tok = TOK_LOR; + } else if (c == '=') { + p++; + tok = TOK_A_OR; + } else { + tok = '|'; + } + break; + + case '+': + PEEKC(c, p); + if (c == '+') { + p++; + tok = TOK_INC; + } else if (c == '=') { + p++; + tok = TOK_A_ADD; + } else { + tok = '+'; + } + break; + + case '-': + PEEKC(c, p); + if (c == '-') { + p++; + tok = TOK_DEC; + } else if (c == '=') { + p++; + tok = TOK_A_SUB; + } else if (c == '>') { + p++; + tok = TOK_ARROW; + } else { + tok = '-'; + } + break; + + PARSE2('!', '!', '=', TOK_NE) + PARSE2('=', '=', '=', TOK_EQ) + PARSE2('*', '*', '=', TOK_A_MUL) + PARSE2('%', '%', '=', TOK_A_MOD) + PARSE2('^', '^', '=', TOK_A_XOR) + + /* comments or operator */ + case '/': + PEEKC(c, p); + if (c == '*') { + p = parse_comment(p); + goto redo_no_start; + } else if (c == '/') { + p = parse_line_comment(p); + goto redo_no_start; + } else if (c == '=') { + p++; + tok = TOK_A_DIV; + } else { + tok = '/'; + } + break; + + /* simple tokens */ + case '(': + case ')': + case '[': + case ']': + case '{': + case '}': + case ',': + case ';': + case ':': + case '?': + case '~': + case '$': /* only used in assembler */ + case '@': /* dito */ + tok = c; + p++; + break; + default: + error("unrecognized character \\x%02x", c); + break; + } + file->buf_ptr = p; + tok_flags = 0; +#if defined(PARSE_DEBUG) + printf("token = %s\n", get_tok_str(tok, &tokc)); +#endif +} + +/* return next token without macro substitution. Can read input from + macro_ptr buffer */ +static void next_nomacro(void) +{ + if (macro_ptr) { + redo: + tok = *macro_ptr; + if (tok) { + TOK_GET(tok, macro_ptr, tokc); + if (tok == TOK_LINENUM) { + file->line_num = tokc.i; + goto redo; + } + } + } else { + next_nomacro1(); + } +} + +/* substitute args in macro_str and return allocated string */ +static int *macro_arg_subst(Sym **nested_list, int *macro_str, Sym *args) +{ + int *st, last_tok, t, notfirst; + Sym *s; + CValue cval; + TokenString str; + CString cstr; + + tok_str_new(&str); + last_tok = 0; + while(1) { + TOK_GET(t, macro_str, cval); + if (!t) + break; + if (t == '#') { + /* stringize */ + TOK_GET(t, macro_str, cval); + if (!t) + break; + s = sym_find2(args, t); + if (s) { + cstr_new(&cstr); + st = (int *)s->c; + notfirst = 0; + while (*st) { + if (notfirst) + cstr_ccat(&cstr, ' '); + TOK_GET(t, st, cval); + cstr_cat(&cstr, get_tok_str(t, &cval)); + notfirst = 1; + } + cstr_ccat(&cstr, '\0'); +#ifdef PP_DEBUG + printf("stringize: %s\n", (char *)cstr.data); +#endif + /* add string */ + cval.cstr = &cstr; + tok_str_add2(&str, TOK_STR, &cval); + cstr_free(&cstr); + } else { + tok_str_add2(&str, t, &cval); + } + } else if (t >= TOK_IDENT) { + s = sym_find2(args, t); + if (s) { + st = (int *)s->c; + /* if '##' is present before or after, no arg substitution */ + if (*macro_str == TOK_TWOSHARPS || last_tok == TOK_TWOSHARPS) { + /* special case for var arg macros : ## eats the + ',' if empty VA_ARGS variable. */ + /* XXX: test of the ',' is not 100% + reliable. should fix it to avoid security + problems */ + if (gnu_ext && s->type.t && + last_tok == TOK_TWOSHARPS && + str.len >= 2 && str.str[str.len - 2] == ',') { + if (*st == 0) { + /* suppress ',' '##' */ + str.len -= 2; + } else { + /* suppress '##' and add variable */ + str.len--; + goto add_var; + } + } else { + int t1; + add_var: + for(;;) { + TOK_GET(t1, st, cval); + if (!t1) + break; + tok_str_add2(&str, t1, &cval); + } + } + } else { + /* NOTE: the stream cannot be read when macro + substituing an argument */ + macro_subst(&str, nested_list, st, NULL); + } + } else { + tok_str_add(&str, t); + } + } else { + tok_str_add2(&str, t, &cval); + } + last_tok = t; + } + tok_str_add(&str, 0); + return str.str; +} + +static char const ab_month_name[12][4] = +{ + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" +}; + +/* do macro substitution of current token with macro 's' and add + result to (tok_str,tok_len). 'nested_list' is the list of all + macros we got inside to avoid recursing. Return non zero if no + substitution needs to be done */ +static int macro_subst_tok(TokenString *tok_str, + Sym **nested_list, Sym *s, struct macro_level **can_read_stream) +{ + Sym *args, *sa, *sa1; + int mstr_allocated, parlevel, *mstr, t, t1; + TokenString str; + char *cstrval; + CValue cval; + CString cstr; + char buf[32]; + + /* if symbol is a macro, prepare substitution */ + /* special macros */ + if (tok == TOK___LINE__) { + snprintf(buf, sizeof(buf), "%d", file->line_num); + cstrval = buf; + t1 = TOK_PPNUM; + goto add_cstr1; + } else if (tok == TOK___FILE__) { + cstrval = file->filename; + goto add_cstr; + } else if (tok == TOK___DATE__ || tok == TOK___TIME__) { + time_t ti; + struct tm *tm; + + time(&ti); + tm = localtime(&ti); + if (tok == TOK___DATE__) { + snprintf(buf, sizeof(buf), "%s %2d %d", + ab_month_name[tm->tm_mon], tm->tm_mday, tm->tm_year + 1900); + } else { + snprintf(buf, sizeof(buf), "%02d:%02d:%02d", + tm->tm_hour, tm->tm_min, tm->tm_sec); + } + cstrval = buf; + add_cstr: + t1 = TOK_STR; + add_cstr1: + cstr_new(&cstr); + cstr_cat(&cstr, cstrval); + cstr_ccat(&cstr, '\0'); + cval.cstr = &cstr; + tok_str_add2(tok_str, t1, &cval); + cstr_free(&cstr); + } else { + mstr = (int *)s->c; + mstr_allocated = 0; + if (s->type.t == MACRO_FUNC) { + /* NOTE: we do not use next_nomacro to avoid eating the + next token. XXX: find better solution */ + redo: + if (macro_ptr) { + t = *macro_ptr; + if (t == 0 && can_read_stream) { + /* end of macro stream: we must look at the token + after in the file */ + struct macro_level *ml = *can_read_stream; + macro_ptr = NULL; + if (ml) + { + macro_ptr = ml->p; + ml->p = NULL; + *can_read_stream = ml -> prev; + } + goto redo; + } + } else { + /* XXX: incorrect with comments */ + ch = file->buf_ptr[0]; + while (is_space(ch) || ch == '\n') + cinp(); + t = ch; + } + if (t != '(') /* no macro subst */ + return -1; + + /* argument macro */ + next_nomacro(); + next_nomacro(); + args = NULL; + sa = s->next; + /* NOTE: empty args are allowed, except if no args */ + for(;;) { + /* handle '()' case */ + if (!args && !sa && tok == ')') + break; + if (!sa) + error("macro '%s' used with too many args", + get_tok_str(s->v, 0)); + tok_str_new(&str); + parlevel = 0; + /* NOTE: non zero sa->t indicates VA_ARGS */ + while ((parlevel > 0 || + (tok != ')' && + (tok != ',' || sa->type.t))) && + tok != -1) { + if (tok == '(') + parlevel++; + else if (tok == ')') + parlevel--; + tok_str_add2(&str, tok, &tokc); + next_nomacro(); + } + tok_str_add(&str, 0); + sym_push2(&args, sa->v & ~SYM_FIELD, sa->type.t, (int)str.str); + sa = sa->next; + if (tok == ')') { + /* special case for gcc var args: add an empty + var arg argument if it is omitted */ + if (sa && sa->type.t && gnu_ext) + continue; + else + break; + } + if (tok != ',') + expect(","); + next_nomacro(); + } + if (sa) { + error("macro '%s' used with too few args", + get_tok_str(s->v, 0)); + } + + /* now subst each arg */ + mstr = macro_arg_subst(nested_list, mstr, args); + /* free memory */ + sa = args; + while (sa) { + sa1 = sa->prev; + tok_str_free((int *)sa->c); + sym_free(sa); + sa = sa1; + } + mstr_allocated = 1; + } + sym_push2(nested_list, s->v, 0, 0); + macro_subst(tok_str, nested_list, mstr, can_read_stream); + /* pop nested defined symbol */ + sa1 = *nested_list; + *nested_list = sa1->prev; + sym_free(sa1); + if (mstr_allocated) + tok_str_free(mstr); + } + return 0; +} + +/* handle the '##' operator. Return NULL if no '##' seen. Otherwise + return the resulting string (which must be freed). */ +static inline int *macro_twosharps(const int *macro_str) +{ + TokenSym *ts; + const int *macro_ptr1, *start_macro_ptr, *ptr, *saved_macro_ptr; + int t; + const char *p1, *p2; + CValue cval; + TokenString macro_str1; + CString cstr; + + start_macro_ptr = macro_str; + /* we search the first '##' */ + for(;;) { + macro_ptr1 = macro_str; + TOK_GET(t, macro_str, cval); + /* nothing more to do if end of string */ + if (t == 0) + return NULL; + if (*macro_str == TOK_TWOSHARPS) + break; + } + + /* we saw '##', so we need more processing to handle it */ + cstr_new(&cstr); + tok_str_new(¯o_str1); + tok = t; + tokc = cval; + + /* add all tokens seen so far */ + for(ptr = start_macro_ptr; ptr < macro_ptr1;) { + TOK_GET(t, ptr, cval); + tok_str_add2(¯o_str1, t, &cval); + } + saved_macro_ptr = macro_ptr; + /* XXX: get rid of the use of macro_ptr here */ + macro_ptr = (int *)macro_str; + for(;;) { + while (*macro_ptr == TOK_TWOSHARPS) { + macro_ptr++; + macro_ptr1 = macro_ptr; + t = *macro_ptr; + if (t) { + TOK_GET(t, macro_ptr, cval); + /* We concatenate the two tokens if we have an + identifier or a preprocessing number */ + cstr_reset(&cstr); + p1 = get_tok_str(tok, &tokc); + cstr_cat(&cstr, p1); + p2 = get_tok_str(t, &cval); + cstr_cat(&cstr, p2); + cstr_ccat(&cstr, '\0'); + + if ((tok >= TOK_IDENT || tok == TOK_PPNUM) && + (t >= TOK_IDENT || t == TOK_PPNUM)) { + if (tok == TOK_PPNUM) { + /* if number, then create a number token */ + /* NOTE: no need to allocate because + tok_str_add2() does it */ + tokc.cstr = &cstr; + } else { + /* if identifier, we must do a test to + validate we have a correct identifier */ + if (t == TOK_PPNUM) { + const char *p; + int c; + + p = p2; + for(;;) { + c = *p; + if (c == '\0') + break; + p++; + if (!isnum(c) && !isid(c)) + goto error_pasting; + } + } + ts = tok_alloc(cstr.data, strlen(cstr.data)); + tok = ts->tok; /* modify current token */ + } + } else { + const char *str = cstr.data; + const unsigned char *q; + + /* we look for a valid token */ + /* XXX: do more extensive checks */ + if (!strcmp(str, ">>=")) { + tok = TOK_A_SAR; + } else if (!strcmp(str, "<<=")) { + tok = TOK_A_SHL; + } else if (strlen(str) == 2) { + /* search in two bytes table */ + q = tok_two_chars; + for(;;) { + if (!*q) + goto error_pasting; + if (q[0] == str[0] && q[1] == str[1]) + break; + q += 3; + } + tok = q[2]; + } else { + error_pasting: + /* NOTE: because get_tok_str use a static buffer, + we must save it */ + cstr_reset(&cstr); + p1 = get_tok_str(tok, &tokc); + cstr_cat(&cstr, p1); + cstr_ccat(&cstr, '\0'); + p2 = get_tok_str(t, &cval); + warning("pasting \"%s\" and \"%s\" does not give a valid preprocessing token", cstr.data, p2); + /* cannot merge tokens: just add them separately */ + tok_str_add2(¯o_str1, tok, &tokc); + /* XXX: free associated memory ? */ + tok = t; + tokc = cval; + } + } + } + } + tok_str_add2(¯o_str1, tok, &tokc); + next_nomacro(); + if (tok == 0) + break; + } + macro_ptr = (int *)saved_macro_ptr; + cstr_free(&cstr); + tok_str_add(¯o_str1, 0); + return macro_str1.str; +} + + +/* do macro substitution of macro_str and add result to + (tok_str,tok_len). 'nested_list' is the list of all macros we got + inside to avoid recursing. */ +static void macro_subst(TokenString *tok_str, Sym **nested_list, + const int *macro_str, struct macro_level ** can_read_stream) +{ + Sym *s; + int *macro_str1; + const int *ptr; + int t, ret; + CValue cval; + struct macro_level ml; + + /* first scan for '##' operator handling */ + ptr = macro_str; + macro_str1 = macro_twosharps(ptr); + if (macro_str1) + ptr = macro_str1; + while (1) { + /* NOTE: ptr == NULL can only happen if tokens are read from + file stream due to a macro function call */ + if (ptr == NULL) + break; + TOK_GET(t, ptr, cval); + if (t == 0) + break; + s = define_find(t); + if (s != NULL) { + /* if nested substitution, do nothing */ + if (sym_find2(*nested_list, t)) + goto no_subst; + ml.p = macro_ptr; + if (can_read_stream) + ml.prev = *can_read_stream, *can_read_stream = &ml; + macro_ptr = (int *)ptr; + tok = t; + ret = macro_subst_tok(tok_str, nested_list, s, can_read_stream); + ptr = (int *)macro_ptr; + macro_ptr = ml.p; + if (can_read_stream && *can_read_stream == &ml) + *can_read_stream = ml.prev; + if (ret != 0) + goto no_subst; + } else { + no_subst: + tok_str_add2(tok_str, t, &cval); + } + } + if (macro_str1) + tok_str_free(macro_str1); +} + +/* return next token with macro substitution */ +static void next(void) +{ + Sym *nested_list, *s; + TokenString str; + struct macro_level *ml; + + redo: + next_nomacro(); + if (!macro_ptr) { + /* if not reading from macro substituted string, then try + to substitute macros */ + if (tok >= TOK_IDENT && + (parse_flags & PARSE_FLAG_PREPROCESS)) { + s = define_find(tok); + if (s) { + /* we have a macro: we try to substitute */ + tok_str_new(&str); + nested_list = NULL; + ml = NULL; + if (macro_subst_tok(&str, &nested_list, s, &ml) == 0) { + /* substitution done, NOTE: maybe empty */ + tok_str_add(&str, 0); + macro_ptr = str.str; + macro_ptr_allocated = str.str; + goto redo; + } + } + } + } else { + if (tok == 0) { + /* end of macro or end of unget buffer */ + if (unget_buffer_enabled) { + macro_ptr = unget_saved_macro_ptr; + unget_buffer_enabled = 0; + } else { + /* end of macro string: free it */ + tok_str_free(macro_ptr_allocated); + macro_ptr = NULL; + } + goto redo; + } + } + + /* convert preprocessor tokens into C tokens */ + if (tok == TOK_PPNUM && + (parse_flags & PARSE_FLAG_TOK_NUM)) { + parse_number((char *)tokc.cstr->data); + } +} + +/* push back current token and set current token to 'last_tok'. Only + identifier case handled for labels. */ +static inline void unget_tok(int last_tok) +{ + int i, n; + int *q; + unget_saved_macro_ptr = macro_ptr; + unget_buffer_enabled = 1; + q = unget_saved_buffer; + macro_ptr = q; + *q++ = tok; + n = tok_ext_size(tok) - 1; + for(i=0;i<n;i++) + *q++ = tokc.tab[i]; + *q = 0; /* end of token string */ + tok = last_tok; +} + + +void swap(int *p, int *q) +{ + int t; + t = *p; + *p = *q; + *q = t; +} + +void vsetc(CType *type, int r, CValue *vc) +{ + int v; + + if (vtop >= vstack + (VSTACK_SIZE - 1)) + error("memory full"); + /* cannot let cpu flags if other instruction are generated. Also + avoid leaving VT_JMP anywhere except on the top of the stack + because it would complicate the code generator. */ + if (vtop >= vstack) { + v = vtop->r & VT_VALMASK; + if (v == VT_CMP || (v & ~1) == VT_JMP) + gv(RC_INT); + } + vtop++; + vtop->type = *type; + vtop->r = r; + vtop->r2 = VT_CONST; + vtop->c = *vc; +} + +/* push integer constant */ +void vpushi(int v) +{ + CValue cval; + cval.i = v; + vsetc(&int_type, VT_CONST, &cval); +} + +/* Return a static symbol pointing to a section */ +static Sym *get_sym_ref(CType *type, Section *sec, + unsigned long offset, unsigned long size) +{ + int v; + Sym *sym; + + v = anon_sym++; + sym = global_identifier_push(v, type->t | VT_STATIC, 0); + sym->type.ref = type->ref; + sym->r = VT_CONST | VT_SYM; + put_extern_sym(sym, sec, offset, size); + return sym; +} + +/* push a reference to a section offset by adding a dummy symbol */ +static void vpush_ref(CType *type, Section *sec, unsigned long offset, unsigned long size) +{ + CValue cval; + + cval.ul = 0; + vsetc(type, VT_CONST | VT_SYM, &cval); + vtop->sym = get_sym_ref(type, sec, offset, size); +} + +/* define a new external reference to a symbol 'v' of type 'u' */ +static Sym *external_global_sym(int v, CType *type, int r) +{ + Sym *s; + + s = sym_find(v); + if (!s) { + /* push forward reference */ + s = global_identifier_push(v, type->t | VT_EXTERN, 0); + s->type.ref = type->ref; + s->r = r | VT_CONST | VT_SYM; + } + return s; +} + +/* define a new external reference to a symbol 'v' of type 'u' */ +static Sym *external_sym(int v, CType *type, int r) +{ + Sym *s; + + s = sym_find(v); + if (!s) { + /* push forward reference */ + s = sym_push(v, type, r | VT_CONST | VT_SYM, 0); + s->type.t |= VT_EXTERN; + } else { + if (!is_compatible_types(&s->type, type)) + error("incompatible types for redefinition of '%s'", + get_tok_str(v, NULL)); + } + return s; +} + +/* push a reference to global symbol v */ +static void vpush_global_sym(CType *type, int v) +{ + Sym *sym; + CValue cval; + + sym = external_global_sym(v, type, 0); + cval.ul = 0; + vsetc(type, VT_CONST | VT_SYM, &cval); + vtop->sym = sym; +} + +void vset(CType *type, int r, int v) +{ + CValue cval; + + cval.i = v; + vsetc(type, r, &cval); +} + +void vseti(int r, int v) +{ + CType type; + type.t = VT_INT; + vset(&type, r, v); +} + +void vswap(void) +{ + SValue tmp; + + tmp = vtop[0]; + vtop[0] = vtop[-1]; + vtop[-1] = tmp; +} + +void vpushv(SValue *v) +{ + if (vtop >= vstack + (VSTACK_SIZE - 1)) + error("memory full"); + vtop++; + *vtop = *v; +} + +void vdup(void) +{ + vpushv(vtop); +} + +/* save r to the memory stack, and mark it as being free */ +void save_reg(int r) +{ + int l, saved, size, align; + SValue *p, sv; + CType *type; + + /* modify all stack values */ + saved = 0; + l = 0; + for(p=vstack;p<=vtop;p++) { + if ((p->r & VT_VALMASK) == r || + (p->r2 & VT_VALMASK) == r) { + /* must save value on stack if not already done */ + if (!saved) { + /* NOTE: must reload 'r' because r might be equal to r2 */ + r = p->r & VT_VALMASK; + /* store register in the stack */ + type = &p->type; + if ((p->r & VT_LVAL) || + (!is_float(type->t) && (type->t & VT_BTYPE) != VT_LLONG)) + type = &int_type; + size = type_size(type, &align); + loc = (loc - size) & -align; + sv.type.t = type->t; + sv.r = VT_LOCAL | VT_LVAL; + sv.c.ul = loc; + store(r, &sv); +#ifdef TCC_TARGET_I386 + /* x86 specific: need to pop fp register ST0 if saved */ + if (r == TREG_ST0) { + o(0xd9dd); /* fstp %st(1) */ + } +#endif + /* special long long case */ + if ((type->t & VT_BTYPE) == VT_LLONG) { + sv.c.ul += 4; + store(p->r2, &sv); + } + l = loc; + saved = 1; + } + /* mark that stack entry as being saved on the stack */ + if (p->r & VT_LVAL) { + /* also clear the bounded flag because the + relocation address of the function was stored in + p->c.ul */ + p->r = (p->r & ~(VT_VALMASK | VT_BOUNDED)) | VT_LLOCAL; + } else { + p->r = lvalue_type(p->type.t) | VT_LOCAL; + } + p->r2 = VT_CONST; + p->c.ul = l; + } + } +} + +/* find a register of class 'rc2' with at most one reference on stack. + * If none, call get_reg(rc) */ +int get_reg_ex(int rc, int rc2) +{ + int r; + SValue *p; + + for(r=0;r<NB_REGS;r++) { + if (reg_classes[r] & rc2) { + int n; + n=0; + for(p = vstack; p <= vtop; p++) { + if ((p->r & VT_VALMASK) == r || + (p->r2 & VT_VALMASK) == r) + n++; + } + if (n <= 1) + return r; + } + } + return get_reg(rc); +} + +/* find a free register of class 'rc'. If none, save one register */ +int get_reg(int rc) +{ + int r; + SValue *p; + + /* find a free register */ + for(r=0;r<NB_REGS;r++) { + if (reg_classes[r] & rc) { + for(p=vstack;p<=vtop;p++) { + if ((p->r & VT_VALMASK) == r || + (p->r2 & VT_VALMASK) == r) + goto notfound; + } + return r; + } + notfound: ; + } + + /* no register left : free the first one on the stack (VERY + IMPORTANT to start from the bottom to ensure that we don't + spill registers used in gen_opi()) */ + for(p=vstack;p<=vtop;p++) { + r = p->r & VT_VALMASK; + if (r < VT_CONST && (reg_classes[r] & rc)) + goto save_found; + /* also look at second register (if long long) */ + r = p->r2 & VT_VALMASK; + if (r < VT_CONST && (reg_classes[r] & rc)) { + save_found: + save_reg(r); + return r; + } + } + /* Should never comes here */ + return -1; +} + +/* save registers up to (vtop - n) stack entry */ +void save_regs(int n) +{ + int r; + SValue *p, *p1; + p1 = vtop - n; + for(p = vstack;p <= p1; p++) { + r = p->r & VT_VALMASK; + if (r < VT_CONST) { + save_reg(r); + } + } +} + +/* move register 's' to 'r', and flush previous value of r to memory + if needed */ +void move_reg(int r, int s) +{ + SValue sv; + + if (r != s) { + save_reg(r); + sv.type.t = VT_INT; + sv.r = s; + sv.c.ul = 0; + load(r, &sv); + } +} + +/* get address of vtop (vtop MUST BE an lvalue) */ +void gaddrof(void) +{ + vtop->r &= ~VT_LVAL; + /* tricky: if saved lvalue, then we can go back to lvalue */ + if ((vtop->r & VT_VALMASK) == VT_LLOCAL) + vtop->r = (vtop->r & ~(VT_VALMASK | VT_LVAL_TYPE)) | VT_LOCAL | VT_LVAL; +} + +#ifdef CONFIG_TCC_BCHECK +/* generate lvalue bound code */ +void gbound(void) +{ + int lval_type; + CType type1; + + vtop->r &= ~VT_MUSTBOUND; + /* if lvalue, then use checking code before dereferencing */ + if (vtop->r & VT_LVAL) { + /* if not VT_BOUNDED value, then make one */ + if (!(vtop->r & VT_BOUNDED)) { + lval_type = vtop->r & (VT_LVAL_TYPE | VT_LVAL); + /* must save type because we must set it to int to get pointer */ + type1 = vtop->type; + vtop->type.t = VT_INT; + gaddrof(); + vpushi(0); + gen_bounded_ptr_add(); + vtop->r |= lval_type; + vtop->type = type1; + } + /* then check for dereferencing */ + gen_bounded_ptr_deref(); + } +} +#endif + +/* store vtop a register belonging to class 'rc'. lvalues are + converted to values. Cannot be used if cannot be converted to + register value (such as structures). */ +int gv(int rc) +{ + int r, r2, rc2, bit_pos, bit_size, size, align, i; + unsigned long long ll; + + /* NOTE: get_reg can modify vstack[] */ + if (vtop->type.t & VT_BITFIELD) { + bit_pos = (vtop->type.t >> VT_STRUCT_SHIFT) & 0x3f; + bit_size = (vtop->type.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f; + /* remove bit field info to avoid loops */ + vtop->type.t &= ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT)); + /* generate shifts */ + vpushi(32 - (bit_pos + bit_size)); + gen_op(TOK_SHL); + vpushi(32 - bit_size); + /* NOTE: transformed to SHR if unsigned */ + gen_op(TOK_SAR); + r = gv(rc); + } else { + if (is_float(vtop->type.t) && + (vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { + Sym *sym; + int *ptr; + unsigned long offset; + + /* XXX: unify with initializers handling ? */ + /* CPUs usually cannot use float constants, so we store them + generically in data segment */ + size = type_size(&vtop->type, &align); + offset = (data_section->data_offset + align - 1) & -align; + data_section->data_offset = offset; + /* XXX: not portable yet */ + ptr = section_ptr_add(data_section, size); + size = size >> 2; + for(i=0;i<size;i++) + ptr[i] = vtop->c.tab[i]; + sym = get_sym_ref(&vtop->type, data_section, offset, size << 2); + vtop->r |= VT_LVAL | VT_SYM; + vtop->sym = sym; + vtop->c.ul = 0; + } +#ifdef CONFIG_TCC_BCHECK + if (vtop->r & VT_MUSTBOUND) + gbound(); +#endif + + r = vtop->r & VT_VALMASK; + /* need to reload if: + - constant + - lvalue (need to dereference pointer) + - already a register, but not in the right class */ + if (r >= VT_CONST || + (vtop->r & VT_LVAL) || + !(reg_classes[r] & rc) || + ((vtop->type.t & VT_BTYPE) == VT_LLONG && + !(reg_classes[vtop->r2] & rc))) { + r = get_reg(rc); + if ((vtop->type.t & VT_BTYPE) == VT_LLONG) { + /* two register type load : expand to two words + temporarily */ + if ((vtop->r & (VT_VALMASK | VT_LVAL)) == VT_CONST) { + /* load constant */ + ll = vtop->c.ull; + vtop->c.ui = ll; /* first word */ + load(r, vtop); + vtop->r = r; /* save register value */ + vpushi(ll >> 32); /* second word */ + } else if (r >= VT_CONST || /* XXX: test to VT_CONST incorrect ? */ + (vtop->r & VT_LVAL)) { + /* We do not want to modifier the long long + pointer here, so the safest (and less + efficient) is to save all the other registers + in the stack. XXX: totally inefficient. */ + save_regs(1); + /* load from memory */ + load(r, vtop); + vdup(); + vtop[-1].r = r; /* save register value */ + /* increment pointer to get second word */ + vtop->type.t = VT_INT; + gaddrof(); + vpushi(4); + gen_op('+'); + vtop->r |= VT_LVAL; + } else { + /* move registers */ + load(r, vtop); + vdup(); + vtop[-1].r = r; /* save register value */ + vtop->r = vtop[-1].r2; + } + /* allocate second register */ + rc2 = RC_INT; + if (rc == RC_IRET) + rc2 = RC_LRET; + r2 = get_reg(rc2); + load(r2, vtop); + vpop(); + /* write second register */ + vtop->r2 = r2; + } else if ((vtop->r & VT_LVAL) && !is_float(vtop->type.t)) { + int t1, t; + /* lvalue of scalar type : need to use lvalue type + because of possible cast */ + t = vtop->type.t; + t1 = t; + /* compute memory access type */ + if (vtop->r & VT_LVAL_BYTE) + t = VT_BYTE; + else if (vtop->r & VT_LVAL_SHORT) + t = VT_SHORT; + if (vtop->r & VT_LVAL_UNSIGNED) + t |= VT_UNSIGNED; + vtop->type.t = t; + load(r, vtop); + /* restore wanted type */ + vtop->type.t = t1; + } else { + /* one register type load */ + load(r, vtop); + } + } + vtop->r = r; +#ifdef TCC_TARGET_C67 + /* uses register pairs for doubles */ + if ((vtop->type.t & VT_BTYPE) == VT_DOUBLE) + vtop->r2 = r+1; +#endif + } + return r; +} + +/* generate vtop[-1] and vtop[0] in resp. classes rc1 and rc2 */ +void gv2(int rc1, int rc2) +{ + int v; + + /* generate more generic register first. But VT_JMP or VT_CMP + values must be generated first in all cases to avoid possible + reload errors */ + v = vtop[0].r & VT_VALMASK; + if (v != VT_CMP && (v & ~1) != VT_JMP && rc1 <= rc2) { + vswap(); + gv(rc1); + vswap(); + gv(rc2); + /* test if reload is needed for first register */ + if ((vtop[-1].r & VT_VALMASK) >= VT_CONST) { + vswap(); + gv(rc1); + vswap(); + } + } else { + gv(rc2); + vswap(); + gv(rc1); + vswap(); + /* test if reload is needed for first register */ + if ((vtop[0].r & VT_VALMASK) >= VT_CONST) { + gv(rc2); + } + } +} + +/* expand long long on stack in two int registers */ +void lexpand(void) +{ + int u; + + u = vtop->type.t & VT_UNSIGNED; + gv(RC_INT); + vdup(); + vtop[0].r = vtop[-1].r2; + vtop[0].r2 = VT_CONST; + vtop[-1].r2 = VT_CONST; + vtop[0].type.t = VT_INT | u; + vtop[-1].type.t = VT_INT | u; +} + +#ifdef TCC_TARGET_ARM +/* expand long long on stack */ +void lexpand_nr(void) +{ + int u,v; + + u = vtop->type.t & VT_UNSIGNED; + vdup(); + vtop->r2 = VT_CONST; + vtop->type.t = VT_INT | u; + v=vtop[-1].r & (VT_VALMASK | VT_LVAL); + if (v == VT_CONST) { + vtop[-1].c.ui = vtop->c.ull; + vtop->c.ui = vtop->c.ull >> 32; + vtop->r = VT_CONST; + } else if (v == (VT_LVAL|VT_CONST) || v == (VT_LVAL|VT_LOCAL)) { + vtop->c.ui += 4; + vtop->r = vtop[-1].r; + } else if (v > VT_CONST) { + vtop--; + lexpand(); + } else + vtop->r = vtop[-1].r2; + vtop[-1].r2 = VT_CONST; + vtop[-1].type.t = VT_INT | u; +} +#endif + +/* build a long long from two ints */ +void lbuild(int t) +{ + gv2(RC_INT, RC_INT); + vtop[-1].r2 = vtop[0].r; + vtop[-1].type.t = t; + vpop(); +} + +/* rotate n first stack elements to the bottom + I1 ... In -> I2 ... In I1 [top is right] +*/ +void vrotb(int n) +{ + int i; + SValue tmp; + + tmp = vtop[-n + 1]; + for(i=-n+1;i!=0;i++) + vtop[i] = vtop[i+1]; + vtop[0] = tmp; +} + +/* rotate n first stack elements to the top + I1 ... In -> In I1 ... I(n-1) [top is right] + */ +void vrott(int n) +{ + int i; + SValue tmp; + + tmp = vtop[0]; + for(i = 0;i < n - 1; i++) + vtop[-i] = vtop[-i - 1]; + vtop[-n + 1] = tmp; +} + +#ifdef TCC_TARGET_ARM +/* like vrott but in other direction + In ... I1 -> I(n-1) ... I1 In [top is right] + */ +void vnrott(int n) +{ + int i; + SValue tmp; + + tmp = vtop[-n + 1]; + for(i = n - 1; i > 0; i--) + vtop[-i] = vtop[-i + 1]; + vtop[0] = tmp; +} +#endif + +/* pop stack value */ +void vpop(void) +{ + int v; + v = vtop->r & VT_VALMASK; +#ifdef TCC_TARGET_I386 + /* for x86, we need to pop the FP stack */ + if (v == TREG_ST0 && !nocode_wanted) { + o(0xd9dd); /* fstp %st(1) */ + } else +#endif + if (v == VT_JMP || v == VT_JMPI) { + /* need to put correct jump if && or || without test */ + gsym(vtop->c.ul); + } + vtop--; +} + +/* convert stack entry to register and duplicate its value in another + register */ +void gv_dup(void) +{ + int rc, t, r, r1; + SValue sv; + + t = vtop->type.t; + if ((t & VT_BTYPE) == VT_LLONG) { + lexpand(); + gv_dup(); + vswap(); + vrotb(3); + gv_dup(); + vrotb(4); + /* stack: H L L1 H1 */ + lbuild(t); + vrotb(3); + vrotb(3); + vswap(); + lbuild(t); + vswap(); + } else { + /* duplicate value */ + rc = RC_INT; + sv.type.t = VT_INT; + if (is_float(t)) { + rc = RC_FLOAT; + sv.type.t = t; + } + r = gv(rc); + r1 = get_reg(rc); + sv.r = r; + sv.c.ul = 0; + load(r1, &sv); /* move r to r1 */ + vdup(); + /* duplicates value */ + vtop->r = r1; + } +} + +/* generate CPU independent (unsigned) long long operations */ +void gen_opl(int op) +{ + int t, a, b, op1, c, i; + int func; + SValue tmp; + + switch(op) { + case '/': + case TOK_PDIV: + func = TOK___divdi3; + goto gen_func; + case TOK_UDIV: + func = TOK___udivdi3; + goto gen_func; + case '%': + func = TOK___moddi3; + goto gen_func; + case TOK_UMOD: + func = TOK___umoddi3; + gen_func: + /* call generic long long function */ + vpush_global_sym(&func_old_type, func); + vrott(3); + gfunc_call(2); + vpushi(0); + vtop->r = REG_IRET; + vtop->r2 = REG_LRET; + break; + case '^': + case '&': + case '|': + case '*': + case '+': + case '-': + t = vtop->type.t; + vswap(); + lexpand(); + vrotb(3); + lexpand(); + /* stack: L1 H1 L2 H2 */ + tmp = vtop[0]; + vtop[0] = vtop[-3]; + vtop[-3] = tmp; + tmp = vtop[-2]; + vtop[-2] = vtop[-3]; + vtop[-3] = tmp; + vswap(); + /* stack: H1 H2 L1 L2 */ + if (op == '*') { + vpushv(vtop - 1); + vpushv(vtop - 1); + gen_op(TOK_UMULL); + lexpand(); + /* stack: H1 H2 L1 L2 ML MH */ + for(i=0;i<4;i++) + vrotb(6); + /* stack: ML MH H1 H2 L1 L2 */ + tmp = vtop[0]; + vtop[0] = vtop[-2]; + vtop[-2] = tmp; + /* stack: ML MH H1 L2 H2 L1 */ + gen_op('*'); + vrotb(3); + vrotb(3); + gen_op('*'); + /* stack: ML MH M1 M2 */ + gen_op('+'); + gen_op('+'); + } else if (op == '+' || op == '-') { + /* XXX: add non carry method too (for MIPS or alpha) */ + if (op == '+') + op1 = TOK_ADDC1; + else + op1 = TOK_SUBC1; + gen_op(op1); + /* stack: H1 H2 (L1 op L2) */ + vrotb(3); + vrotb(3); + gen_op(op1 + 1); /* TOK_xxxC2 */ + } else { + gen_op(op); + /* stack: H1 H2 (L1 op L2) */ + vrotb(3); + vrotb(3); + /* stack: (L1 op L2) H1 H2 */ + gen_op(op); + /* stack: (L1 op L2) (H1 op H2) */ + } + /* stack: L H */ + lbuild(t); + break; + case TOK_SAR: + case TOK_SHR: + case TOK_SHL: + if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) { + t = vtop[-1].type.t; + vswap(); + lexpand(); + vrotb(3); + /* stack: L H shift */ + c = (int)vtop->c.i; + /* constant: simpler */ + /* NOTE: all comments are for SHL. the other cases are + done by swaping words */ + vpop(); + if (op != TOK_SHL) + vswap(); + if (c >= 32) { + /* stack: L H */ + vpop(); + if (c > 32) { + vpushi(c - 32); + gen_op(op); + } + if (op != TOK_SAR) { + vpushi(0); + } else { + gv_dup(); + vpushi(31); + gen_op(TOK_SAR); + } + vswap(); + } else { + vswap(); + gv_dup(); + /* stack: H L L */ + vpushi(c); + gen_op(op); + vswap(); + vpushi(32 - c); + if (op == TOK_SHL) + gen_op(TOK_SHR); + else + gen_op(TOK_SHL); + vrotb(3); + /* stack: L L H */ + vpushi(c); + if (op == TOK_SHL) + gen_op(TOK_SHL); + else + gen_op(TOK_SHR); + gen_op('|'); + } + if (op != TOK_SHL) + vswap(); + lbuild(t); + } else { + /* XXX: should provide a faster fallback on x86 ? */ + switch(op) { + case TOK_SAR: + func = TOK___sardi3; + goto gen_func; + case TOK_SHR: + func = TOK___shrdi3; + goto gen_func; + case TOK_SHL: + func = TOK___shldi3; + goto gen_func; + } + } + break; + default: + /* compare operations */ + t = vtop->type.t; + vswap(); + lexpand(); + vrotb(3); + lexpand(); + /* stack: L1 H1 L2 H2 */ + tmp = vtop[-1]; + vtop[-1] = vtop[-2]; + vtop[-2] = tmp; + /* stack: L1 L2 H1 H2 */ + /* compare high */ + op1 = op; + /* when values are equal, we need to compare low words. since + the jump is inverted, we invert the test too. */ + if (op1 == TOK_LT) + op1 = TOK_LE; + else if (op1 == TOK_GT) + op1 = TOK_GE; + else if (op1 == TOK_ULT) + op1 = TOK_ULE; + else if (op1 == TOK_UGT) + op1 = TOK_UGE; + a = 0; + b = 0; + gen_op(op1); + if (op1 != TOK_NE) { + a = gtst(1, 0); + } + if (op != TOK_EQ) { + /* generate non equal test */ + /* XXX: NOT PORTABLE yet */ + if (a == 0) { + b = gtst(0, 0); + } else { +#if defined(TCC_TARGET_I386) + b = psym(0x850f, 0); +#elif defined(TCC_TARGET_ARM) + b = ind; + o(0x1A000000 | encbranch(ind, 0, 1)); +#elif defined(TCC_TARGET_C67) + error("not implemented"); +#else +#error not supported +#endif + } + } + /* compare low. Always unsigned */ + op1 = op; + if (op1 == TOK_LT) + op1 = TOK_ULT; + else if (op1 == TOK_LE) + op1 = TOK_ULE; + else if (op1 == TOK_GT) + op1 = TOK_UGT; + else if (op1 == TOK_GE) + op1 = TOK_UGE; + gen_op(op1); + a = gtst(1, a); + gsym(b); + vseti(VT_JMPI, a); + break; + } +} + +/* handle integer constant optimizations and various machine + independent opt */ +void gen_opic(int op) +{ + int fc, c1, c2, n; + SValue *v1, *v2; + + v1 = vtop - 1; + v2 = vtop; + /* currently, we cannot do computations with forward symbols */ + c1 = (v1->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; + c2 = (v2->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; + if (c1 && c2) { + fc = v2->c.i; + switch(op) { + case '+': v1->c.i += fc; break; + case '-': v1->c.i -= fc; break; + case '&': v1->c.i &= fc; break; + case '^': v1->c.i ^= fc; break; + case '|': v1->c.i |= fc; break; + case '*': v1->c.i *= fc; break; + + case TOK_PDIV: + case '/': + case '%': + case TOK_UDIV: + case TOK_UMOD: + /* if division by zero, generate explicit division */ + if (fc == 0) { + if (const_wanted) + error("division by zero in constant"); + goto general_case; + } + switch(op) { + default: v1->c.i /= fc; break; + case '%': v1->c.i %= fc; break; + case TOK_UDIV: v1->c.i = (unsigned)v1->c.i / fc; break; + case TOK_UMOD: v1->c.i = (unsigned)v1->c.i % fc; break; + } + break; + case TOK_SHL: v1->c.i <<= fc; break; + case TOK_SHR: v1->c.i = (unsigned)v1->c.i >> fc; break; + case TOK_SAR: v1->c.i >>= fc; break; + /* tests */ + case TOK_ULT: v1->c.i = (unsigned)v1->c.i < (unsigned)fc; break; + case TOK_UGE: v1->c.i = (unsigned)v1->c.i >= (unsigned)fc; break; + case TOK_EQ: v1->c.i = v1->c.i == fc; break; + case TOK_NE: v1->c.i = v1->c.i != fc; break; + case TOK_ULE: v1->c.i = (unsigned)v1->c.i <= (unsigned)fc; break; + case TOK_UGT: v1->c.i = (unsigned)v1->c.i > (unsigned)fc; break; + case TOK_LT: v1->c.i = v1->c.i < fc; break; + case TOK_GE: v1->c.i = v1->c.i >= fc; break; + case TOK_LE: v1->c.i = v1->c.i <= fc; break; + case TOK_GT: v1->c.i = v1->c.i > fc; break; + /* logical */ + case TOK_LAND: v1->c.i = v1->c.i && fc; break; + case TOK_LOR: v1->c.i = v1->c.i || fc; break; + default: + goto general_case; + } + vtop--; + } else { + /* if commutative ops, put c2 as constant */ + if (c1 && (op == '+' || op == '&' || op == '^' || + op == '|' || op == '*')) { + vswap(); + swap(&c1, &c2); + } + fc = vtop->c.i; + if (c2 && (((op == '*' || op == '/' || op == TOK_UDIV || + op == TOK_PDIV) && + fc == 1) || + ((op == '+' || op == '-' || op == '|' || op == '^' || + op == TOK_SHL || op == TOK_SHR || op == TOK_SAR) && + fc == 0) || + (op == '&' && + fc == -1))) { + /* nothing to do */ + vtop--; + } else if (c2 && (op == '*' || op == TOK_PDIV || op == TOK_UDIV)) { + /* try to use shifts instead of muls or divs */ + if (fc > 0 && (fc & (fc - 1)) == 0) { + n = -1; + while (fc) { + fc >>= 1; + n++; + } + vtop->c.i = n; + if (op == '*') + op = TOK_SHL; + else if (op == TOK_PDIV) + op = TOK_SAR; + else + op = TOK_SHR; + } + goto general_case; + } else if (c2 && (op == '+' || op == '-') && + (vtop[-1].r & (VT_VALMASK | VT_LVAL | VT_SYM)) == + (VT_CONST | VT_SYM)) { + /* symbol + constant case */ + if (op == '-') + fc = -fc; + vtop--; + vtop->c.i += fc; + } else { + general_case: + if (!nocode_wanted) { + /* call low level op generator */ + gen_opi(op); + } else { + vtop--; + } + } + } +} + +/* generate a floating point operation with constant propagation */ +void gen_opif(int op) +{ + int c1, c2; + SValue *v1, *v2; + long double f1, f2; + + v1 = vtop - 1; + v2 = vtop; + /* currently, we cannot do computations with forward symbols */ + c1 = (v1->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; + c2 = (v2->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; + if (c1 && c2) { + if (v1->type.t == VT_FLOAT) { + f1 = v1->c.f; + f2 = v2->c.f; + } else if (v1->type.t == VT_DOUBLE) { + f1 = v1->c.d; + f2 = v2->c.d; + } else { + f1 = v1->c.ld; + f2 = v2->c.ld; + } + + /* NOTE: we only do constant propagation if finite number (not + NaN or infinity) (ANSI spec) */ + if (!ieee_finite(f1) || !ieee_finite(f2)) + goto general_case; + + switch(op) { + case '+': f1 += f2; break; + case '-': f1 -= f2; break; + case '*': f1 *= f2; break; + case '/': + if (f2 == 0.0) { + if (const_wanted) + error("division by zero in constant"); + goto general_case; + } + f1 /= f2; + break; + /* XXX: also handles tests ? */ + default: + goto general_case; + } + /* XXX: overflow test ? */ + if (v1->type.t == VT_FLOAT) { + v1->c.f = f1; + } else if (v1->type.t == VT_DOUBLE) { + v1->c.d = f1; + } else { + v1->c.ld = f1; + } + vtop--; + } else { + general_case: + if (!nocode_wanted) { + gen_opf(op); + } else { + vtop--; + } + } +} + +static int pointed_size(CType *type) +{ + int align; + return type_size(pointed_type(type), &align); +} + +static inline int is_null_pointer(SValue *p) +{ + if ((p->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) + return 0; + return ((p->type.t & VT_BTYPE) == VT_INT && p->c.i == 0) || + ((p->type.t & VT_BTYPE) == VT_LLONG && p->c.ll == 0); +} + +static inline int is_integer_btype(int bt) +{ + return (bt == VT_BYTE || bt == VT_SHORT || + bt == VT_INT || bt == VT_LLONG); +} + +/* check types for comparison or substraction of pointers */ +static void check_comparison_pointer_types(SValue *p1, SValue *p2, int op) +{ + CType *type1, *type2, tmp_type1, tmp_type2; + int bt1, bt2; + + /* null pointers are accepted for all comparisons as gcc */ + if (is_null_pointer(p1) || is_null_pointer(p2)) + return; + type1 = &p1->type; + type2 = &p2->type; + bt1 = type1->t & VT_BTYPE; + bt2 = type2->t & VT_BTYPE; + /* accept comparison between pointer and integer with a warning */ + if ((is_integer_btype(bt1) || is_integer_btype(bt2)) && op != '-') { + warning("comparison between pointer and integer"); + return; + } + + /* both must be pointers or implicit function pointers */ + if (bt1 == VT_PTR) { + type1 = pointed_type(type1); + } else if (bt1 != VT_FUNC) + goto invalid_operands; + + if (bt2 == VT_PTR) { + type2 = pointed_type(type2); + } else if (bt2 != VT_FUNC) { + invalid_operands: + error("invalid operands to binary %s", get_tok_str(op, NULL)); + } + if ((type1->t & VT_BTYPE) == VT_VOID || + (type2->t & VT_BTYPE) == VT_VOID) + return; + tmp_type1 = *type1; + tmp_type2 = *type2; + tmp_type1.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); + tmp_type2.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); + if (!is_compatible_types(&tmp_type1, &tmp_type2)) { + /* gcc-like error if '-' is used */ + if (op == '-') + goto invalid_operands; + else + warning("comparison of distinct pointer types lacks a cast"); + } +} + +/* generic gen_op: handles types problems */ +void gen_op(int op) +{ + int u, t1, t2, bt1, bt2, t; + CType type1; + + t1 = vtop[-1].type.t; + t2 = vtop[0].type.t; + bt1 = t1 & VT_BTYPE; + bt2 = t2 & VT_BTYPE; + + if (bt1 == VT_PTR || bt2 == VT_PTR) { + /* at least one operand is a pointer */ + /* relationnal op: must be both pointers */ + if (op >= TOK_ULT && op <= TOK_GT) { + check_comparison_pointer_types(vtop - 1, vtop, op); + /* pointers are handled are unsigned */ + t = VT_INT | VT_UNSIGNED; + goto std_op; + } + /* if both pointers, then it must be the '-' op */ + if (bt1 == VT_PTR && bt2 == VT_PTR) { + if (op != '-') + error("cannot use pointers here"); + check_comparison_pointer_types(vtop - 1, vtop, op); + /* XXX: check that types are compatible */ + u = pointed_size(&vtop[-1].type); + gen_opic(op); + /* set to integer type */ + vtop->type.t = VT_INT; + vpushi(u); + gen_op(TOK_PDIV); + } else { + /* exactly one pointer : must be '+' or '-'. */ + if (op != '-' && op != '+') + error("cannot use pointers here"); + /* Put pointer as first operand */ + if (bt2 == VT_PTR) { + vswap(); + swap(&t1, &t2); + } + type1 = vtop[-1].type; + /* XXX: cast to int ? (long long case) */ + vpushi(pointed_size(&vtop[-1].type)); + gen_op('*'); +#ifdef CONFIG_TCC_BCHECK + /* if evaluating constant expression, no code should be + generated, so no bound check */ + if (do_bounds_check && !const_wanted) { + /* if bounded pointers, we generate a special code to + test bounds */ + if (op == '-') { + vpushi(0); + vswap(); + gen_op('-'); + } + gen_bounded_ptr_add(); + } else +#endif + { + gen_opic(op); + } + /* put again type if gen_opic() swaped operands */ + vtop->type = type1; + } + } else if (is_float(bt1) || is_float(bt2)) { + /* compute bigger type and do implicit casts */ + if (bt1 == VT_LDOUBLE || bt2 == VT_LDOUBLE) { + t = VT_LDOUBLE; + } else if (bt1 == VT_DOUBLE || bt2 == VT_DOUBLE) { + t = VT_DOUBLE; + } else { + t = VT_FLOAT; + } + /* floats can only be used for a few operations */ + if (op != '+' && op != '-' && op != '*' && op != '/' && + (op < TOK_ULT || op > TOK_GT)) + error("invalid operands for binary operation"); + goto std_op; + } else if (bt1 == VT_LLONG || bt2 == VT_LLONG) { + /* cast to biggest op */ + t = VT_LLONG; + /* convert to unsigned if it does not fit in a long long */ + if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) || + (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED)) + t |= VT_UNSIGNED; + goto std_op; + } else { + /* integer operations */ + t = VT_INT; + /* convert to unsigned if it does not fit in an integer */ + if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) || + (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED)) + t |= VT_UNSIGNED; + std_op: + /* XXX: currently, some unsigned operations are explicit, so + we modify them here */ + if (t & VT_UNSIGNED) { + if (op == TOK_SAR) + op = TOK_SHR; + else if (op == '/') + op = TOK_UDIV; + else if (op == '%') + op = TOK_UMOD; + else if (op == TOK_LT) + op = TOK_ULT; + else if (op == TOK_GT) + op = TOK_UGT; + else if (op == TOK_LE) + op = TOK_ULE; + else if (op == TOK_GE) + op = TOK_UGE; + } + vswap(); + type1.t = t; + gen_cast(&type1); + vswap(); + /* special case for shifts and long long: we keep the shift as + an integer */ + if (op == TOK_SHR || op == TOK_SAR || op == TOK_SHL) + type1.t = VT_INT; + gen_cast(&type1); + if (is_float(t)) + gen_opif(op); + else if ((t & VT_BTYPE) == VT_LLONG) + gen_opl(op); + else + gen_opic(op); + if (op >= TOK_ULT && op <= TOK_GT) { + /* relationnal op: the result is an int */ + vtop->type.t = VT_INT; + } else { + vtop->type.t = t; + } + } +} + +/* generic itof for unsigned long long case */ +void gen_cvt_itof1(int t) +{ + if ((vtop->type.t & (VT_BTYPE | VT_UNSIGNED)) == + (VT_LLONG | VT_UNSIGNED)) { + + if (t == VT_FLOAT) + vpush_global_sym(&func_old_type, TOK___ulltof); + else if (t == VT_DOUBLE) + vpush_global_sym(&func_old_type, TOK___ulltod); + else + vpush_global_sym(&func_old_type, TOK___ulltold); + vrott(2); + gfunc_call(1); + vpushi(0); + vtop->r = REG_FRET; + } else { + gen_cvt_itof(t); + } +} + +/* generic ftoi for unsigned long long case */ +void gen_cvt_ftoi1(int t) +{ + int st; + + if (t == (VT_LLONG | VT_UNSIGNED)) { + /* not handled natively */ + st = vtop->type.t & VT_BTYPE; + if (st == VT_FLOAT) + vpush_global_sym(&func_old_type, TOK___fixunssfdi); + else if (st == VT_DOUBLE) + vpush_global_sym(&func_old_type, TOK___fixunsdfdi); + else + vpush_global_sym(&func_old_type, TOK___fixunsxfdi); + vrott(2); + gfunc_call(1); + vpushi(0); + vtop->r = REG_IRET; + vtop->r2 = REG_LRET; + } else { + gen_cvt_ftoi(t); + } +} + +/* force char or short cast */ +void force_charshort_cast(int t) +{ + int bits, dbt; + dbt = t & VT_BTYPE; + /* XXX: add optimization if lvalue : just change type and offset */ + if (dbt == VT_BYTE) + bits = 8; + else + bits = 16; + if (t & VT_UNSIGNED) { + vpushi((1 << bits) - 1); + gen_op('&'); + } else { + bits = 32 - bits; + vpushi(bits); + gen_op(TOK_SHL); + vpushi(bits); + gen_op(TOK_SAR); + } +} + +/* cast 'vtop' to 'type'. Casting to bitfields is forbidden. */ +static void gen_cast(CType *type) +{ + int sbt, dbt, sf, df, c; + + /* special delayed cast for char/short */ + /* XXX: in some cases (multiple cascaded casts), it may still + be incorrect */ + if (vtop->r & VT_MUSTCAST) { + vtop->r &= ~VT_MUSTCAST; + force_charshort_cast(vtop->type.t); + } + + /* bitfields first get cast to ints */ + if (vtop->type.t & VT_BITFIELD) { + gv(RC_INT); + } + + dbt = type->t & (VT_BTYPE | VT_UNSIGNED); + sbt = vtop->type.t & (VT_BTYPE | VT_UNSIGNED); + + if (sbt != dbt && !nocode_wanted) { + sf = is_float(sbt); + df = is_float(dbt); + c = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; + if (sf && df) { + /* convert from fp to fp */ + if (c) { + /* constant case: we can do it now */ + /* XXX: in ISOC, cannot do it if error in convert */ + if (dbt == VT_FLOAT && sbt == VT_DOUBLE) + vtop->c.f = (float)vtop->c.d; + else if (dbt == VT_FLOAT && sbt == VT_LDOUBLE) + vtop->c.f = (float)vtop->c.ld; + else if (dbt == VT_DOUBLE && sbt == VT_FLOAT) + vtop->c.d = (double)vtop->c.f; + else if (dbt == VT_DOUBLE && sbt == VT_LDOUBLE) + vtop->c.d = (double)vtop->c.ld; + else if (dbt == VT_LDOUBLE && sbt == VT_FLOAT) + vtop->c.ld = (long double)vtop->c.f; + else if (dbt == VT_LDOUBLE && sbt == VT_DOUBLE) + vtop->c.ld = (long double)vtop->c.d; + } else { + /* non constant case: generate code */ + gen_cvt_ftof(dbt); + } + } else if (df) { + /* convert int to fp */ + if (c) { + switch(sbt) { + case VT_LLONG | VT_UNSIGNED: + case VT_LLONG: + /* XXX: add const cases for long long */ + goto do_itof; + case VT_INT | VT_UNSIGNED: + switch(dbt) { + case VT_FLOAT: vtop->c.f = (float)vtop->c.ui; break; + case VT_DOUBLE: vtop->c.d = (double)vtop->c.ui; break; + case VT_LDOUBLE: vtop->c.ld = (long double)vtop->c.ui; break; + } + break; + default: + switch(dbt) { + case VT_FLOAT: vtop->c.f = (float)vtop->c.i; break; + case VT_DOUBLE: vtop->c.d = (double)vtop->c.i; break; + case VT_LDOUBLE: vtop->c.ld = (long double)vtop->c.i; break; + } + break; + } + } else { + do_itof: +#if !defined(TCC_TARGET_ARM) + gen_cvt_itof1(dbt); +#else + gen_cvt_itof(dbt); +#endif + } + } else if (sf) { + /* convert fp to int */ + /* we handle char/short/etc... with generic code */ + if (dbt != (VT_INT | VT_UNSIGNED) && + dbt != (VT_LLONG | VT_UNSIGNED) && + dbt != VT_LLONG) + dbt = VT_INT; + if (c) { + switch(dbt) { + case VT_LLONG | VT_UNSIGNED: + case VT_LLONG: + /* XXX: add const cases for long long */ + goto do_ftoi; + case VT_INT | VT_UNSIGNED: + switch(sbt) { + case VT_FLOAT: vtop->c.ui = (unsigned int)vtop->c.d; break; + case VT_DOUBLE: vtop->c.ui = (unsigned int)vtop->c.d; break; + case VT_LDOUBLE: vtop->c.ui = (unsigned int)vtop->c.d; break; + } + break; + default: + /* int case */ + switch(sbt) { + case VT_FLOAT: vtop->c.i = (int)vtop->c.d; break; + case VT_DOUBLE: vtop->c.i = (int)vtop->c.d; break; + case VT_LDOUBLE: vtop->c.i = (int)vtop->c.d; break; + } + break; + } + } else { + do_ftoi: + gen_cvt_ftoi1(dbt); + } + if (dbt == VT_INT && (type->t & (VT_BTYPE | VT_UNSIGNED)) != dbt) { + /* additional cast for char/short/bool... */ + vtop->type.t = dbt; + gen_cast(type); + } + } else if ((dbt & VT_BTYPE) == VT_LLONG) { + if ((sbt & VT_BTYPE) != VT_LLONG) { + /* scalar to long long */ + if (c) { + if (sbt == (VT_INT | VT_UNSIGNED)) + vtop->c.ll = vtop->c.ui; + else + vtop->c.ll = vtop->c.i; + } else { + /* machine independent conversion */ + gv(RC_INT); + /* generate high word */ + if (sbt == (VT_INT | VT_UNSIGNED)) { + vpushi(0); + gv(RC_INT); + } else { + gv_dup(); + vpushi(31); + gen_op(TOK_SAR); + } + /* patch second register */ + vtop[-1].r2 = vtop->r; + vpop(); + } + } + } else if (dbt == VT_BOOL) { + /* scalar to bool */ + vpushi(0); + gen_op(TOK_NE); + } else if ((dbt & VT_BTYPE) == VT_BYTE || + (dbt & VT_BTYPE) == VT_SHORT) { + force_charshort_cast(dbt); + } else if ((dbt & VT_BTYPE) == VT_INT) { + /* scalar to int */ + if (sbt == VT_LLONG) { + /* from long long: just take low order word */ + lexpand(); + vpop(); + } + /* if lvalue and single word type, nothing to do because + the lvalue already contains the real type size (see + VT_LVAL_xxx constants) */ + } + } + vtop->type = *type; +} + +/* return type size. Put alignment at 'a' */ +static int type_size(CType *type, int *a) +{ + Sym *s; + int bt; + + bt = type->t & VT_BTYPE; + if (bt == VT_STRUCT) { + /* struct/union */ + s = type->ref; + *a = s->r; + return s->c; + } else if (bt == VT_PTR) { + if (type->t & VT_ARRAY) { + s = type->ref; + return type_size(&s->type, a) * s->c; + } else { + *a = PTR_SIZE; + return PTR_SIZE; + } + } else if (bt == VT_LDOUBLE) { + *a = LDOUBLE_ALIGN; + return LDOUBLE_SIZE; + } else if (bt == VT_DOUBLE || bt == VT_LLONG) { +#ifdef TCC_TARGET_I386 + *a = 4; +#else + *a = 8; +#endif + return 8; + } else if (bt == VT_INT || bt == VT_ENUM || bt == VT_FLOAT) { + *a = 4; + return 4; + } else if (bt == VT_SHORT) { + *a = 2; + return 2; + } else { + /* char, void, function, _Bool */ + *a = 1; + return 1; + } +} + +/* return the pointed type of t */ +static inline CType *pointed_type(CType *type) +{ + return &type->ref->type; +} + +/* modify type so that its it is a pointer to type. */ +static void mk_pointer(CType *type) +{ + Sym *s; + s = sym_push(SYM_FIELD, type, 0, -1); + type->t = VT_PTR | (type->t & ~VT_TYPE); + type->ref = s; +} + +/* compare function types. OLD functions match any new functions */ +static int is_compatible_func(CType *type1, CType *type2) +{ + Sym *s1, *s2; + + s1 = type1->ref; + s2 = type2->ref; + if (!is_compatible_types(&s1->type, &s2->type)) + return 0; + /* check func_call */ + if (s1->r != s2->r) + return 0; + /* XXX: not complete */ + if (s1->c == FUNC_OLD || s2->c == FUNC_OLD) + return 1; + if (s1->c != s2->c) + return 0; + while (s1 != NULL) { + if (s2 == NULL) + return 0; + if (!is_compatible_types(&s1->type, &s2->type)) + return 0; + s1 = s1->next; + s2 = s2->next; + } + if (s2) + return 0; + return 1; +} + +/* return true if type1 and type2 are exactly the same (including + qualifiers). + + - enums are not checked as gcc __builtin_types_compatible_p () + */ +static int is_compatible_types(CType *type1, CType *type2) +{ + int bt1, t1, t2; + + t1 = type1->t & VT_TYPE; + t2 = type2->t & VT_TYPE; + /* XXX: bitfields ? */ + if (t1 != t2) + return 0; + /* test more complicated cases */ + bt1 = t1 & VT_BTYPE; + if (bt1 == VT_PTR) { + type1 = pointed_type(type1); + type2 = pointed_type(type2); + return is_compatible_types(type1, type2); + } else if (bt1 == VT_STRUCT) { + return (type1->ref == type2->ref); + } else if (bt1 == VT_FUNC) { + return is_compatible_func(type1, type2); + } else { + return 1; + } +} + +/* print a type. If 'varstr' is not NULL, then the variable is also + printed in the type */ +/* XXX: union */ +/* XXX: add array and function pointers */ +void type_to_str(char *buf, int buf_size, + CType *type, const char *varstr) +{ + int bt, v, t; + Sym *s, *sa; + char buf1[256]; + const char *tstr; + + t = type->t & VT_TYPE; + bt = t & VT_BTYPE; + buf[0] = '\0'; + if (t & VT_CONSTANT) + pstrcat(buf, buf_size, "const "); + if (t & VT_VOLATILE) + pstrcat(buf, buf_size, "volatile "); + if (t & VT_UNSIGNED) + pstrcat(buf, buf_size, "unsigned "); + switch(bt) { + case VT_VOID: + tstr = "void"; + goto add_tstr; + case VT_BOOL: + tstr = "_Bool"; + goto add_tstr; + case VT_BYTE: + tstr = "char"; + goto add_tstr; + case VT_SHORT: + tstr = "short"; + goto add_tstr; + case VT_INT: + tstr = "int"; + goto add_tstr; + case VT_LONG: + tstr = "long"; + goto add_tstr; + case VT_LLONG: + tstr = "long long"; + goto add_tstr; + case VT_FLOAT: + tstr = "float"; + goto add_tstr; + case VT_DOUBLE: + tstr = "double"; + goto add_tstr; + case VT_LDOUBLE: + tstr = "long double"; + add_tstr: + pstrcat(buf, buf_size, tstr); + break; + case VT_ENUM: + case VT_STRUCT: + if (bt == VT_STRUCT) + tstr = "struct "; + else + tstr = "enum "; + pstrcat(buf, buf_size, tstr); + v = type->ref->v & ~SYM_STRUCT; + if (v >= SYM_FIRST_ANOM) + pstrcat(buf, buf_size, "<anonymous>"); + else + pstrcat(buf, buf_size, get_tok_str(v, NULL)); + break; + case VT_FUNC: + s = type->ref; + type_to_str(buf, buf_size, &s->type, varstr); + pstrcat(buf, buf_size, "("); + sa = s->next; + while (sa != NULL) { + type_to_str(buf1, sizeof(buf1), &sa->type, NULL); + pstrcat(buf, buf_size, buf1); + sa = sa->next; + if (sa) + pstrcat(buf, buf_size, ", "); + } + pstrcat(buf, buf_size, ")"); + goto no_var; + case VT_PTR: + s = type->ref; + pstrcpy(buf1, sizeof(buf1), "*"); + if (varstr) + pstrcat(buf1, sizeof(buf1), varstr); + type_to_str(buf, buf_size, &s->type, buf1); + goto no_var; + } + if (varstr) { + pstrcat(buf, buf_size, " "); + pstrcat(buf, buf_size, varstr); + } + no_var: ; +} + +/* verify type compatibility to store vtop in 'dt' type, and generate + casts if needed. */ +static void gen_assign_cast(CType *dt) +{ + CType *st, *type1, *type2, tmp_type1, tmp_type2; + char buf1[256], buf2[256]; + int dbt, sbt; + + st = &vtop->type; /* source type */ + dbt = dt->t & VT_BTYPE; + sbt = st->t & VT_BTYPE; + if (dt->t & VT_CONSTANT) + warning("assignment of read-only location"); + switch(dbt) { + case VT_PTR: + /* special cases for pointers */ + /* '0' can also be a pointer */ + if (is_null_pointer(vtop)) + goto type_ok; + /* accept implicit pointer to integer cast with warning */ + if (is_integer_btype(sbt)) { + warning("assignment makes pointer from integer without a cast"); + goto type_ok; + } + type1 = pointed_type(dt); + /* a function is implicitely a function pointer */ + if (sbt == VT_FUNC) { + if ((type1->t & VT_BTYPE) != VT_VOID && + !is_compatible_types(pointed_type(dt), st)) + goto error; + else + goto type_ok; + } + if (sbt != VT_PTR) + goto error; + type2 = pointed_type(st); + if ((type1->t & VT_BTYPE) == VT_VOID || + (type2->t & VT_BTYPE) == VT_VOID) { + /* void * can match anything */ + } else { + /* exact type match, except for unsigned */ + tmp_type1 = *type1; + tmp_type2 = *type2; + tmp_type1.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); + tmp_type2.t &= ~(VT_UNSIGNED | VT_CONSTANT | VT_VOLATILE); + if (!is_compatible_types(&tmp_type1, &tmp_type2)) + goto error; + } + /* check const and volatile */ + if ((!(type1->t & VT_CONSTANT) && (type2->t & VT_CONSTANT)) || + (!(type1->t & VT_VOLATILE) && (type2->t & VT_VOLATILE))) + warning("assignment discards qualifiers from pointer target type"); + break; + case VT_BYTE: + case VT_SHORT: + case VT_INT: + case VT_LLONG: + if (sbt == VT_PTR || sbt == VT_FUNC) { + warning("assignment makes integer from pointer without a cast"); + } + /* XXX: more tests */ + break; + case VT_STRUCT: + tmp_type1 = *dt; + tmp_type2 = *st; + tmp_type1.t &= ~(VT_CONSTANT | VT_VOLATILE); + tmp_type2.t &= ~(VT_CONSTANT | VT_VOLATILE); + if (!is_compatible_types(&tmp_type1, &tmp_type2)) { + error: + type_to_str(buf1, sizeof(buf1), st, NULL); + type_to_str(buf2, sizeof(buf2), dt, NULL); + error("cannot cast '%s' to '%s'", buf1, buf2); + } + break; + } + type_ok: + gen_cast(dt); +} + +/* store vtop in lvalue pushed on stack */ +void vstore(void) +{ + int sbt, dbt, ft, r, t, size, align, bit_size, bit_pos, rc, delayed_cast; + + ft = vtop[-1].type.t; + sbt = vtop->type.t & VT_BTYPE; + dbt = ft & VT_BTYPE; + if (((sbt == VT_INT || sbt == VT_SHORT) && dbt == VT_BYTE) || + (sbt == VT_INT && dbt == VT_SHORT)) { + /* optimize char/short casts */ + delayed_cast = VT_MUSTCAST; + vtop->type.t = ft & VT_TYPE; + /* XXX: factorize */ + if (ft & VT_CONSTANT) + warning("assignment of read-only location"); + } else { + delayed_cast = 0; + if (!(ft & VT_BITFIELD)) + gen_assign_cast(&vtop[-1].type); + } + + if (sbt == VT_STRUCT) { + /* if structure, only generate pointer */ + /* structure assignment : generate memcpy */ + /* XXX: optimize if small size */ + if (!nocode_wanted) { + size = type_size(&vtop->type, &align); + + vpush_global_sym(&func_old_type, TOK_memcpy); + + /* destination */ + vpushv(vtop - 2); + vtop->type.t = VT_INT; + gaddrof(); + /* source */ + vpushv(vtop - 2); + vtop->type.t = VT_INT; + gaddrof(); + /* type size */ + vpushi(size); + gfunc_call(3); + + vswap(); + vpop(); + } else { + vswap(); + vpop(); + } + /* leave source on stack */ + } else if (ft & VT_BITFIELD) { + /* bitfield store handling */ + bit_pos = (ft >> VT_STRUCT_SHIFT) & 0x3f; + bit_size = (ft >> (VT_STRUCT_SHIFT + 6)) & 0x3f; + /* remove bit field info to avoid loops */ + vtop[-1].type.t = ft & ~(VT_BITFIELD | (-1 << VT_STRUCT_SHIFT)); + + /* duplicate destination */ + vdup(); + vtop[-1] = vtop[-2]; + + /* mask and shift source */ + vpushi((1 << bit_size) - 1); + gen_op('&'); + vpushi(bit_pos); + gen_op(TOK_SHL); + /* load destination, mask and or with source */ + vswap(); + vpushi(~(((1 << bit_size) - 1) << bit_pos)); + gen_op('&'); + gen_op('|'); + /* store result */ + vstore(); + } else { +#ifdef CONFIG_TCC_BCHECK + /* bound check case */ + if (vtop[-1].r & VT_MUSTBOUND) { + vswap(); + gbound(); + vswap(); + } +#endif + if (!nocode_wanted) { + rc = RC_INT; + if (is_float(ft)) + rc = RC_FLOAT; + r = gv(rc); /* generate value */ + /* if lvalue was saved on stack, must read it */ + if ((vtop[-1].r & VT_VALMASK) == VT_LLOCAL) { + SValue sv; + t = get_reg(RC_INT); + sv.type.t = VT_INT; + sv.r = VT_LOCAL | VT_LVAL; + sv.c.ul = vtop[-1].c.ul; + load(t, &sv); + vtop[-1].r = t | VT_LVAL; + } + store(r, vtop - 1); + /* two word case handling : store second register at word + 4 */ + if ((ft & VT_BTYPE) == VT_LLONG) { + vswap(); + /* convert to int to increment easily */ + vtop->type.t = VT_INT; + gaddrof(); + vpushi(4); + gen_op('+'); + vtop->r |= VT_LVAL; + vswap(); + /* XXX: it works because r2 is spilled last ! */ + store(vtop->r2, vtop - 1); + } + } + vswap(); + vtop--; /* NOT vpop() because on x86 it would flush the fp stack */ + vtop->r |= delayed_cast; + } +} + +/* post defines POST/PRE add. c is the token ++ or -- */ +void inc(int post, int c) +{ + test_lvalue(); + vdup(); /* save lvalue */ + if (post) { + gv_dup(); /* duplicate value */ + vrotb(3); + vrotb(3); + } + /* add constant */ + vpushi(c - TOK_MID); + gen_op('+'); + vstore(); /* store value */ + if (post) + vpop(); /* if post op, return saved value */ +} + +/* Parse GNUC __attribute__ extension. Currently, the following + extensions are recognized: + - aligned(n) : set data/function alignment. + - packed : force data alignment to 1 + - section(x) : generate data/code in this section. + - unused : currently ignored, but may be used someday. + - regparm(n) : pass function parameters in registers (i386 only) + */ +static void parse_attribute(AttributeDef *ad) +{ + int t, n; + + while (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) { + next(); + skip('('); + skip('('); + while (tok != ')') { + if (tok < TOK_IDENT) + expect("attribute name"); + t = tok; + next(); + switch(t) { + case TOK_SECTION1: + case TOK_SECTION2: + skip('('); + if (tok != TOK_STR) + expect("section name"); + ad->section = find_section(tcc_state, (char *)tokc.cstr->data); + next(); + skip(')'); + break; + case TOK_ALIGNED1: + case TOK_ALIGNED2: + if (tok == '(') { + next(); + n = expr_const(); + if (n <= 0 || (n & (n - 1)) != 0) + error("alignment must be a positive power of two"); + skip(')'); + } else { + n = MAX_ALIGN; + } + ad->aligned = n; + break; + case TOK_PACKED1: + case TOK_PACKED2: + ad->packed = 1; + break; + case TOK_UNUSED1: + case TOK_UNUSED2: + /* currently, no need to handle it because tcc does not + track unused objects */ + break; + case TOK_NORETURN1: + case TOK_NORETURN2: + /* currently, no need to handle it because tcc does not + track unused objects */ + break; + case TOK_CDECL1: + case TOK_CDECL2: + case TOK_CDECL3: + ad->func_call = FUNC_CDECL; + break; + case TOK_STDCALL1: + case TOK_STDCALL2: + case TOK_STDCALL3: + ad->func_call = FUNC_STDCALL; + break; +#ifdef TCC_TARGET_I386 + case TOK_REGPARM1: + case TOK_REGPARM2: + skip('('); + n = expr_const(); + if (n > 3) + n = 3; + else if (n < 0) + n = 0; + if (n > 0) + ad->func_call = FUNC_FASTCALL1 + n - 1; + skip(')'); + break; +#endif + case TOK_DLLEXPORT: + ad->dllexport = 1; + break; + default: + if (tcc_state->warn_unsupported) + warning("'%s' attribute ignored", get_tok_str(t, NULL)); + /* skip parameters */ + /* XXX: skip parenthesis too */ + if (tok == '(') { + next(); + while (tok != ')' && tok != -1) + next(); + next(); + } + break; + } + if (tok != ',') + break; + next(); + } + skip(')'); + skip(')'); + } +} + +/* enum/struct/union declaration. u is either VT_ENUM or VT_STRUCT */ +static void struct_decl(CType *type, int u) +{ + int a, v, size, align, maxalign, c, offset; + int bit_size, bit_pos, bsize, bt, lbit_pos; + Sym *s, *ss, **ps; + AttributeDef ad; + CType type1, btype; + + a = tok; /* save decl type */ + next(); + if (tok != '{') { + v = tok; + next(); + /* struct already defined ? return it */ + if (v < TOK_IDENT) + expect("struct/union/enum name"); + s = struct_find(v); + if (s) { + if (s->type.t != a) + error("invalid type"); + goto do_decl; + } + } else { + v = anon_sym++; + } + type1.t = a; + /* we put an undefined size for struct/union */ + s = sym_push(v | SYM_STRUCT, &type1, 0, -1); + s->r = 0; /* default alignment is zero as gcc */ + /* put struct/union/enum name in type */ + do_decl: + type->t = u; + type->ref = s; + + if (tok == '{') { + next(); + if (s->c != -1) + error("struct/union/enum already defined"); + /* cannot be empty */ + c = 0; + /* non empty enums are not allowed */ + if (a == TOK_ENUM) { + for(;;) { + v = tok; + if (v < TOK_UIDENT) + expect("identifier"); + next(); + if (tok == '=') { + next(); + c = expr_const(); + } + /* enum symbols have static storage */ + ss = sym_push(v, &int_type, VT_CONST, c); + ss->type.t |= VT_STATIC; + if (tok != ',') + break; + next(); + c++; + /* NOTE: we accept a trailing comma */ + if (tok == '}') + break; + } + skip('}'); + } else { + maxalign = 1; + ps = &s->next; + bit_pos = 0; + offset = 0; + while (tok != '}') { + parse_btype(&btype, &ad); + while (1) { + bit_size = -1; + v = 0; + type1 = btype; + if (tok != ':') { + type_decl(&type1, &ad, &v, TYPE_DIRECT); + if ((type1.t & VT_BTYPE) == VT_FUNC || + (type1.t & (VT_TYPEDEF | VT_STATIC | VT_EXTERN | VT_INLINE))) + error("invalid type for '%s'", + get_tok_str(v, NULL)); + } + if (tok == ':') { + next(); + bit_size = expr_const(); + /* XXX: handle v = 0 case for messages */ + if (bit_size < 0) + error("negative width in bit-field '%s'", + get_tok_str(v, NULL)); + if (v && bit_size == 0) + error("zero width for bit-field '%s'", + get_tok_str(v, NULL)); + } + size = type_size(&type1, &align); + if (ad.aligned) { + if (align < ad.aligned) + align = ad.aligned; + } else if (ad.packed) { + align = 1; + } else if (*tcc_state->pack_stack_ptr) { + if (align > *tcc_state->pack_stack_ptr) + align = *tcc_state->pack_stack_ptr; + } + lbit_pos = 0; + if (bit_size >= 0) { + bt = type1.t & VT_BTYPE; + if (bt != VT_INT && + bt != VT_BYTE && + bt != VT_SHORT && + bt != VT_BOOL && + bt != VT_ENUM) + error("bitfields must have scalar type"); + bsize = size * 8; + if (bit_size > bsize) { + error("width of '%s' exceeds its type", + get_tok_str(v, NULL)); + } else if (bit_size == bsize) { + /* no need for bit fields */ + bit_pos = 0; + } else if (bit_size == 0) { + /* XXX: what to do if only padding in a + structure ? */ + /* zero size: means to pad */ + if (bit_pos > 0) + bit_pos = bsize; + } else { + /* we do not have enough room ? */ + if ((bit_pos + bit_size) > bsize) + bit_pos = 0; + lbit_pos = bit_pos; + /* XXX: handle LSB first */ + type1.t |= VT_BITFIELD | + (bit_pos << VT_STRUCT_SHIFT) | + (bit_size << (VT_STRUCT_SHIFT + 6)); + bit_pos += bit_size; + } + } else { + bit_pos = 0; + } + if (v) { + /* add new memory data only if starting + bit field */ + if (lbit_pos == 0) { + if (a == TOK_STRUCT) { + c = (c + align - 1) & -align; + offset = c; + c += size; + } else { + offset = 0; + if (size > c) + c = size; + } + if (align > maxalign) + maxalign = align; + } +#if 0 + printf("add field %s offset=%d", + get_tok_str(v, NULL), offset); + if (type1.t & VT_BITFIELD) { + printf(" pos=%d size=%d", + (type1.t >> VT_STRUCT_SHIFT) & 0x3f, + (type1.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f); + } + printf("\n"); +#endif + ss = sym_push(v | SYM_FIELD, &type1, 0, offset); + *ps = ss; + ps = &ss->next; + } + if (tok == ';' || tok == TOK_EOF) + break; + skip(','); + } + skip(';'); + } + skip('}'); + /* store size and alignment */ + s->c = (c + maxalign - 1) & -maxalign; + s->r = maxalign; + } + } +} + +/* return 0 if no type declaration. otherwise, return the basic type + and skip it. + */ +static int parse_btype(CType *type, AttributeDef *ad) +{ + int t, u, type_found, typespec_found; + Sym *s; + CType type1; + + memset(ad, 0, sizeof(AttributeDef)); + type_found = 0; + typespec_found = 0; + t = 0; + while(1) { + switch(tok) { + case TOK_EXTENSION: + /* currently, we really ignore extension */ + next(); + continue; + + /* basic types */ + case TOK_CHAR: + u = VT_BYTE; + basic_type: + next(); + basic_type1: + if ((t & VT_BTYPE) != 0) + error("too many basic types"); + t |= u; + typespec_found = 1; + break; + case TOK_VOID: + u = VT_VOID; + goto basic_type; + case TOK_SHORT: + u = VT_SHORT; + goto basic_type; + case TOK_INT: + next(); + typespec_found = 1; + break; + case TOK_LONG: + next(); + if ((t & VT_BTYPE) == VT_DOUBLE) { + t = (t & ~VT_BTYPE) | VT_LDOUBLE; + } else if ((t & VT_BTYPE) == VT_LONG) { + t = (t & ~VT_BTYPE) | VT_LLONG; + } else { + u = VT_LONG; + goto basic_type1; + } + break; + case TOK_BOOL: + u = VT_BOOL; + goto basic_type; + case TOK_FLOAT: + u = VT_FLOAT; + goto basic_type; + case TOK_DOUBLE: + next(); + if ((t & VT_BTYPE) == VT_LONG) { + t = (t & ~VT_BTYPE) | VT_LDOUBLE; + } else { + u = VT_DOUBLE; + goto basic_type1; + } + break; + case TOK_ENUM: + struct_decl(&type1, VT_ENUM); + basic_type2: + u = type1.t; + type->ref = type1.ref; + goto basic_type1; + case TOK_STRUCT: + case TOK_UNION: + struct_decl(&type1, VT_STRUCT); + goto basic_type2; + + /* type modifiers */ + case TOK_CONST1: + case TOK_CONST2: + case TOK_CONST3: + t |= VT_CONSTANT; + next(); + break; + case TOK_VOLATILE1: + case TOK_VOLATILE2: + case TOK_VOLATILE3: + t |= VT_VOLATILE; + next(); + break; + case TOK_SIGNED1: + case TOK_SIGNED2: + case TOK_SIGNED3: + typespec_found = 1; + t |= VT_SIGNED; + next(); + break; + case TOK_REGISTER: + case TOK_AUTO: + case TOK_RESTRICT1: + case TOK_RESTRICT2: + case TOK_RESTRICT3: + next(); + break; + case TOK_UNSIGNED: + t |= VT_UNSIGNED; + next(); + typespec_found = 1; + break; + + /* storage */ + case TOK_EXTERN: + t |= VT_EXTERN; + next(); + break; + case TOK_STATIC: + t |= VT_STATIC; + next(); + break; + case TOK_TYPEDEF: + t |= VT_TYPEDEF; + next(); + break; + case TOK_INLINE1: + case TOK_INLINE2: + case TOK_INLINE3: + t |= VT_INLINE; + next(); + break; + + /* GNUC attribute */ + case TOK_ATTRIBUTE1: + case TOK_ATTRIBUTE2: + parse_attribute(ad); + break; + /* GNUC typeof */ + case TOK_TYPEOF1: + case TOK_TYPEOF2: + case TOK_TYPEOF3: + next(); + parse_expr_type(&type1); + goto basic_type2; + default: + if (typespec_found) + goto the_end; + s = sym_find(tok); + if (!s || !(s->type.t & VT_TYPEDEF)) + goto the_end; + t |= (s->type.t & ~VT_TYPEDEF); + type->ref = s->type.ref; + next(); + break; + } + type_found = 1; + } +the_end: + if ((t & (VT_SIGNED|VT_UNSIGNED)) == (VT_SIGNED|VT_UNSIGNED)) + error("signed and unsigned modifier"); + if (tcc_state->char_is_unsigned) { + if ((t & (VT_SIGNED|VT_UNSIGNED|VT_BTYPE)) == VT_BYTE) + t |= VT_UNSIGNED; + } + t &= ~VT_SIGNED; + + /* long is never used as type */ + if ((t & VT_BTYPE) == VT_LONG) + t = (t & ~VT_BTYPE) | VT_INT; + type->t = t; + return type_found; +} + +/* convert a function parameter type (array to pointer and function to + function pointer) */ +static inline void convert_parameter_type(CType *pt) +{ + /* remove const and volatile qualifiers (XXX: const could be used + to indicate a const function parameter */ + pt->t &= ~(VT_CONSTANT | VT_VOLATILE); + /* array must be transformed to pointer according to ANSI C */ + pt->t &= ~VT_ARRAY; + if ((pt->t & VT_BTYPE) == VT_FUNC) { + mk_pointer(pt); + } +} + +static void post_type(CType *type, AttributeDef *ad) +{ + int n, l, t1; + Sym **plast, *s, *first; + AttributeDef ad1; + CType pt; + + if (tok == '(') { + /* function declaration */ + next(); + l = 0; + first = NULL; + plast = &first; + while (tok != ')') { + /* read param name and compute offset */ + if (l != FUNC_OLD) { + if (!parse_btype(&pt, &ad1)) { + if (l) { + error("invalid type"); + } else { + l = FUNC_OLD; + goto old_proto; + } + } + l = FUNC_NEW; + if ((pt.t & VT_BTYPE) == VT_VOID && tok == ')') + break; + type_decl(&pt, &ad1, &n, TYPE_DIRECT | TYPE_ABSTRACT); + if ((pt.t & VT_BTYPE) == VT_VOID) + error("parameter declared as void"); + } else { + old_proto: + n = tok; + pt.t = VT_INT; + next(); + } + convert_parameter_type(&pt); + s = sym_push(n | SYM_FIELD, &pt, 0, 0); + *plast = s; + plast = &s->next; + if (tok == ',') { + next(); + if (l == FUNC_NEW && tok == TOK_DOTS) { + l = FUNC_ELLIPSIS; + next(); + break; + } + } + } + /* if no parameters, then old type prototype */ + if (l == 0) + l = FUNC_OLD; + skip(')'); + t1 = type->t & VT_STORAGE; + /* NOTE: const is ignored in returned type as it has a special + meaning in gcc / C++ */ + type->t &= ~(VT_STORAGE | VT_CONSTANT); + post_type(type, ad); + /* we push a anonymous symbol which will contain the function prototype */ + s = sym_push(SYM_FIELD, type, ad->func_call, l); + s->next = first; + type->t = t1 | VT_FUNC; + type->ref = s; + } else if (tok == '[') { + /* array definition */ + next(); + n = -1; + if (tok != ']') { + n = expr_const(); + if (n < 0) + error("invalid array size"); + } + skip(']'); + /* parse next post type */ + t1 = type->t & VT_STORAGE; + type->t &= ~VT_STORAGE; + post_type(type, ad); + + /* we push a anonymous symbol which will contain the array + element type */ + s = sym_push(SYM_FIELD, type, 0, n); + type->t = t1 | VT_ARRAY | VT_PTR; + type->ref = s; + } +} + +/* Parse a type declaration (except basic type), and return the type + in 'type'. 'td' is a bitmask indicating which kind of type decl is + expected. 'type' should contain the basic type. 'ad' is the + attribute definition of the basic type. It can be modified by + type_decl(). + */ +static void type_decl(CType *type, AttributeDef *ad, int *v, int td) +{ + Sym *s; + CType type1, *type2; + int qualifiers; + + while (tok == '*') { + qualifiers = 0; + redo: + next(); + switch(tok) { + case TOK_CONST1: + case TOK_CONST2: + case TOK_CONST3: + qualifiers |= VT_CONSTANT; + goto redo; + case TOK_VOLATILE1: + case TOK_VOLATILE2: + case TOK_VOLATILE3: + qualifiers |= VT_VOLATILE; + goto redo; + case TOK_RESTRICT1: + case TOK_RESTRICT2: + case TOK_RESTRICT3: + goto redo; + } + mk_pointer(type); + type->t |= qualifiers; + } + + /* XXX: clarify attribute handling */ + if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) + parse_attribute(ad); + + /* recursive type */ + /* XXX: incorrect if abstract type for functions (e.g. 'int ()') */ + type1.t = 0; /* XXX: same as int */ + if (tok == '(') { + next(); + /* XXX: this is not correct to modify 'ad' at this point, but + the syntax is not clear */ + if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) + parse_attribute(ad); + type_decl(&type1, ad, v, td); + skip(')'); + } else { + /* type identifier */ + if (tok >= TOK_IDENT && (td & TYPE_DIRECT)) { + *v = tok; + next(); + } else { + if (!(td & TYPE_ABSTRACT)) + expect("identifier"); + *v = 0; + } + } + post_type(type, ad); + if (tok == TOK_ATTRIBUTE1 || tok == TOK_ATTRIBUTE2) + parse_attribute(ad); + if (!type1.t) + return; + /* append type at the end of type1 */ + type2 = &type1; + for(;;) { + s = type2->ref; + type2 = &s->type; + if (!type2->t) { + *type2 = *type; + break; + } + } + *type = type1; +} + +/* compute the lvalue VT_LVAL_xxx needed to match type t. */ +static int lvalue_type(int t) +{ + int bt, r; + r = VT_LVAL; + bt = t & VT_BTYPE; + if (bt == VT_BYTE || bt == VT_BOOL) + r |= VT_LVAL_BYTE; + else if (bt == VT_SHORT) + r |= VT_LVAL_SHORT; + else + return r; + if (t & VT_UNSIGNED) + r |= VT_LVAL_UNSIGNED; + return r; +} + +/* indirection with full error checking and bound check */ +static void indir(void) +{ + if ((vtop->type.t & VT_BTYPE) != VT_PTR) + expect("pointer"); + if ((vtop->r & VT_LVAL) && !nocode_wanted) + gv(RC_INT); + vtop->type = *pointed_type(&vtop->type); + /* an array is never an lvalue */ + if (!(vtop->type.t & VT_ARRAY)) { + vtop->r |= lvalue_type(vtop->type.t); + /* if bound checking, the referenced pointer must be checked */ + if (do_bounds_check) + vtop->r |= VT_MUSTBOUND; + } +} + +/* pass a parameter to a function and do type checking and casting */ +static void gfunc_param_typed(Sym *func, Sym *arg) +{ + int func_type; + CType type; + + func_type = func->c; + if (func_type == FUNC_OLD || + (func_type == FUNC_ELLIPSIS && arg == NULL)) { + /* default casting : only need to convert float to double */ + if ((vtop->type.t & VT_BTYPE) == VT_FLOAT) { + type.t = VT_DOUBLE; + gen_cast(&type); + } + } else if (arg == NULL) { + error("too many arguments to function"); + } else { + type = arg->type; + type.t &= ~VT_CONSTANT; /* need to do that to avoid false warning */ + gen_assign_cast(&type); + } +} + +/* parse an expression of the form '(type)' or '(expr)' and return its + type */ +static void parse_expr_type(CType *type) +{ + int n; + AttributeDef ad; + + skip('('); + if (parse_btype(type, &ad)) { + type_decl(type, &ad, &n, TYPE_ABSTRACT); + } else { + expr_type(type); + } + skip(')'); +} + +static void parse_type(CType *type) +{ + AttributeDef ad; + int n; + + if (!parse_btype(type, &ad)) { + expect("type"); + } + type_decl(type, &ad, &n, TYPE_ABSTRACT); +} + +static void vpush_tokc(int t) +{ + CType type; + type.t = t; + vsetc(&type, VT_CONST, &tokc); +} + +static void unary(void) +{ + int n, t, align, size, r; + CType type; + Sym *s; + AttributeDef ad; + + /* XXX: GCC 2.95.3 does not generate a table although it should be + better here */ + tok_next: + switch(tok) { + case TOK_EXTENSION: + next(); + goto tok_next; + case TOK_CINT: + case TOK_CCHAR: + case TOK_LCHAR: + vpushi(tokc.i); + next(); + break; + case TOK_CUINT: + vpush_tokc(VT_INT | VT_UNSIGNED); + next(); + break; + case TOK_CLLONG: + vpush_tokc(VT_LLONG); + next(); + break; + case TOK_CULLONG: + vpush_tokc(VT_LLONG | VT_UNSIGNED); + next(); + break; + case TOK_CFLOAT: + vpush_tokc(VT_FLOAT); + next(); + break; + case TOK_CDOUBLE: + vpush_tokc(VT_DOUBLE); + next(); + break; + case TOK_CLDOUBLE: + vpush_tokc(VT_LDOUBLE); + next(); + break; + case TOK___FUNCTION__: + if (!gnu_ext) + goto tok_identifier; + /* fall thru */ + case TOK___FUNC__: + { + void *ptr; + int len; + /* special function name identifier */ + len = strlen(funcname) + 1; + /* generate char[len] type */ + type.t = VT_BYTE; + mk_pointer(&type); + type.t |= VT_ARRAY; + type.ref->c = len; + vpush_ref(&type, data_section, data_section->data_offset, len); + ptr = section_ptr_add(data_section, len); + memcpy(ptr, funcname, len); + next(); + } + break; + case TOK_LSTR: + t = VT_INT; + goto str_init; + case TOK_STR: + /* string parsing */ + t = VT_BYTE; + str_init: + if (tcc_state->warn_write_strings) + t |= VT_CONSTANT; + type.t = t; + mk_pointer(&type); + type.t |= VT_ARRAY; + memset(&ad, 0, sizeof(AttributeDef)); + decl_initializer_alloc(&type, &ad, VT_CONST, 2, 0, 0); + break; + case '(': + next(); + /* cast ? */ + if (parse_btype(&type, &ad)) { + type_decl(&type, &ad, &n, TYPE_ABSTRACT); + skip(')'); + /* check ISOC99 compound literal */ + if (tok == '{') { + /* data is allocated locally by default */ + if (global_expr) + r = VT_CONST; + else + r = VT_LOCAL; + /* all except arrays are lvalues */ + if (!(type.t & VT_ARRAY)) + r |= lvalue_type(type.t); + memset(&ad, 0, sizeof(AttributeDef)); + decl_initializer_alloc(&type, &ad, r, 1, 0, 0); + } else { + unary(); + gen_cast(&type); + } + } else if (tok == '{') { + /* save all registers */ + save_regs(0); + /* statement expression : we do not accept break/continue + inside as GCC does */ + block(NULL, NULL, NULL, NULL, 0, 1); + skip(')'); + } else { + gexpr(); + skip(')'); + } + break; + case '*': + next(); + unary(); + indir(); + break; + case '&': + next(); + unary(); + /* functions names must be treated as function pointers, + except for unary '&' and sizeof. Since we consider that + functions are not lvalues, we only have to handle it + there and in function calls. */ + /* arrays can also be used although they are not lvalues */ + if ((vtop->type.t & VT_BTYPE) != VT_FUNC && + !(vtop->type.t & VT_ARRAY)) + test_lvalue(); + mk_pointer(&vtop->type); + gaddrof(); + break; + case '!': + next(); + unary(); + if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST) + vtop->c.i = !vtop->c.i; + else if ((vtop->r & VT_VALMASK) == VT_CMP) + vtop->c.i = vtop->c.i ^ 1; + else + vseti(VT_JMP, gtst(1, 0)); + break; + case '~': + next(); + unary(); + vpushi(-1); + gen_op('^'); + break; + case '+': + next(); + /* in order to force cast, we add zero */ + unary(); + if ((vtop->type.t & VT_BTYPE) == VT_PTR) + error("pointer not accepted for unary plus"); + vpushi(0); + gen_op('+'); + break; + case TOK_SIZEOF: + case TOK_ALIGNOF1: + case TOK_ALIGNOF2: + t = tok; + next(); + if (tok == '(') { + parse_expr_type(&type); + } else { + unary_type(&type); + } + size = type_size(&type, &align); + if (t == TOK_SIZEOF) { + if (size < 0) + error("sizeof applied to an incomplete type"); + vpushi(size); + } else { + vpushi(align); + } + break; + + case TOK_builtin_types_compatible_p: + { + CType type1, type2; + next(); + skip('('); + parse_type(&type1); + skip(','); + parse_type(&type2); + skip(')'); + type1.t &= ~(VT_CONSTANT | VT_VOLATILE); + type2.t &= ~(VT_CONSTANT | VT_VOLATILE); + vpushi(is_compatible_types(&type1, &type2)); + } + break; + case TOK_builtin_constant_p: + { + int saved_nocode_wanted, res; + next(); + skip('('); + saved_nocode_wanted = nocode_wanted; + nocode_wanted = 1; + gexpr(); + res = (vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST; + vpop(); + nocode_wanted = saved_nocode_wanted; + skip(')'); + vpushi(res); + } + break; + case TOK_INC: + case TOK_DEC: + t = tok; + next(); + unary(); + inc(0, t); + break; + case '-': + next(); + vpushi(0); + unary(); + gen_op('-'); + break; + case TOK_LAND: + if (!gnu_ext) + goto tok_identifier; + next(); + /* allow to take the address of a label */ + if (tok < TOK_UIDENT) + expect("label identifier"); + s = label_find(tok); + if (!s) { + s = label_push(&global_label_stack, tok, LABEL_FORWARD); + } else { + if (s->r == LABEL_DECLARED) + s->r = LABEL_FORWARD; + } + if (!s->type.t) { + s->type.t = VT_VOID; + mk_pointer(&s->type); + s->type.t |= VT_STATIC; + } + vset(&s->type, VT_CONST | VT_SYM, 0); + vtop->sym = s; + next(); + break; + default: + tok_identifier: + t = tok; + next(); + if (t < TOK_UIDENT) + expect("identifier"); + s = sym_find(t); + if (!s) { + if (tok != '(') + error("'%s' undeclared", get_tok_str(t, NULL)); + /* for simple function calls, we tolerate undeclared + external reference to int() function */ + if (tcc_state->warn_implicit_function_declaration) + warning("implicit declaration of function '%s'", + get_tok_str(t, NULL)); + s = external_global_sym(t, &func_old_type, 0); + } + if ((s->type.t & (VT_STATIC | VT_INLINE | VT_BTYPE)) == + (VT_STATIC | VT_INLINE | VT_FUNC)) { + /* if referencing an inline function, then we generate a + symbol to it if not already done. It will have the + effect to generate code for it at the end of the + compilation unit. Inline function as always + generated in the text section. */ + if (!s->c) + put_extern_sym(s, text_section, 0, 0); + r = VT_SYM | VT_CONST; + } else { + r = s->r; + } + vset(&s->type, r, s->c); + /* if forward reference, we must point to s */ + if (vtop->r & VT_SYM) { + vtop->sym = s; + vtop->c.ul = 0; + } + break; + } + + /* post operations */ + while (1) { + if (tok == TOK_INC || tok == TOK_DEC) { + inc(1, tok); + next(); + } else if (tok == '.' || tok == TOK_ARROW) { + /* field */ + if (tok == TOK_ARROW) + indir(); + test_lvalue(); + gaddrof(); + next(); + /* expect pointer on structure */ + if ((vtop->type.t & VT_BTYPE) != VT_STRUCT) + expect("struct or union"); + s = vtop->type.ref; + /* find field */ + tok |= SYM_FIELD; + while ((s = s->next) != NULL) { + if (s->v == tok) + break; + } + if (!s) + error("field not found"); + /* add field offset to pointer */ + vtop->type = char_pointer_type; /* change type to 'char *' */ + vpushi(s->c); + gen_op('+'); + /* change type to field type, and set to lvalue */ + vtop->type = s->type; + /* an array is never an lvalue */ + if (!(vtop->type.t & VT_ARRAY)) { + vtop->r |= lvalue_type(vtop->type.t); + /* if bound checking, the referenced pointer must be checked */ + if (do_bounds_check) + vtop->r |= VT_MUSTBOUND; + } + next(); + } else if (tok == '[') { + next(); + gexpr(); + gen_op('+'); + indir(); + skip(']'); + } else if (tok == '(') { + SValue ret; + Sym *sa; + int nb_args; + + /* function call */ + if ((vtop->type.t & VT_BTYPE) != VT_FUNC) { + /* pointer test (no array accepted) */ + if ((vtop->type.t & (VT_BTYPE | VT_ARRAY)) == VT_PTR) { + vtop->type = *pointed_type(&vtop->type); + if ((vtop->type.t & VT_BTYPE) != VT_FUNC) + goto error_func; + } else { + error_func: + expect("function pointer"); + } + } else { + vtop->r &= ~VT_LVAL; /* no lvalue */ + } + /* get return type */ + s = vtop->type.ref; + next(); + sa = s->next; /* first parameter */ + nb_args = 0; + /* compute first implicit argument if a structure is returned */ + if ((s->type.t & VT_BTYPE) == VT_STRUCT) { + /* get some space for the returned structure */ + size = type_size(&s->type, &align); + loc = (loc - size) & -align; + ret.type = s->type; + ret.r = VT_LOCAL | VT_LVAL; + /* pass it as 'int' to avoid structure arg passing + problems */ + vseti(VT_LOCAL, loc); + ret.c = vtop->c; + nb_args++; + } else { + ret.type = s->type; + ret.r2 = VT_CONST; + /* return in register */ + if (is_float(ret.type.t)) { + ret.r = REG_FRET; + } else { + if ((ret.type.t & VT_BTYPE) == VT_LLONG) + ret.r2 = REG_LRET; + ret.r = REG_IRET; + } + ret.c.i = 0; + } + if (tok != ')') { + for(;;) { + expr_eq(); + gfunc_param_typed(s, sa); + nb_args++; + if (sa) + sa = sa->next; + if (tok == ')') + break; + skip(','); + } + } + if (sa) + error("too few arguments to function"); + skip(')'); + if (!nocode_wanted) { + gfunc_call(nb_args); + } else { + vtop -= (nb_args + 1); + } + /* return value */ + vsetc(&ret.type, ret.r, &ret.c); + vtop->r2 = ret.r2; + } else { + break; + } + } +} + +static void uneq(void) +{ + int t; + + unary(); + if (tok == '=' || + (tok >= TOK_A_MOD && tok <= TOK_A_DIV) || + tok == TOK_A_XOR || tok == TOK_A_OR || + tok == TOK_A_SHL || tok == TOK_A_SAR) { + test_lvalue(); + t = tok; + next(); + if (t == '=') { + expr_eq(); + } else { + vdup(); + expr_eq(); + gen_op(t & 0x7f); + } + vstore(); + } +} + +static void expr_prod(void) +{ + int t; + + uneq(); + while (tok == '*' || tok == '/' || tok == '%') { + t = tok; + next(); + uneq(); + gen_op(t); + } +} + +static void expr_sum(void) +{ + int t; + + expr_prod(); + while (tok == '+' || tok == '-') { + t = tok; + next(); + expr_prod(); + gen_op(t); + } +} + +static void expr_shift(void) +{ + int t; + + expr_sum(); + while (tok == TOK_SHL || tok == TOK_SAR) { + t = tok; + next(); + expr_sum(); + gen_op(t); + } +} + +static void expr_cmp(void) +{ + int t; + + expr_shift(); + while ((tok >= TOK_ULE && tok <= TOK_GT) || + tok == TOK_ULT || tok == TOK_UGE) { + t = tok; + next(); + expr_shift(); + gen_op(t); + } +} + +static void expr_cmpeq(void) +{ + int t; + + expr_cmp(); + while (tok == TOK_EQ || tok == TOK_NE) { + t = tok; + next(); + expr_cmp(); + gen_op(t); + } +} + +static void expr_and(void) +{ + expr_cmpeq(); + while (tok == '&') { + next(); + expr_cmpeq(); + gen_op('&'); + } +} + +static void expr_xor(void) +{ + expr_and(); + while (tok == '^') { + next(); + expr_and(); + gen_op('^'); + } +} + +static void expr_or(void) +{ + expr_xor(); + while (tok == '|') { + next(); + expr_xor(); + gen_op('|'); + } +} + +/* XXX: fix this mess */ +static void expr_land_const(void) +{ + expr_or(); + while (tok == TOK_LAND) { + next(); + expr_or(); + gen_op(TOK_LAND); + } +} + +/* XXX: fix this mess */ +static void expr_lor_const(void) +{ + expr_land_const(); + while (tok == TOK_LOR) { + next(); + expr_land_const(); + gen_op(TOK_LOR); + } +} + +/* only used if non constant */ +static void expr_land(void) +{ + int t; + + expr_or(); + if (tok == TOK_LAND) { + t = 0; + for(;;) { + t = gtst(1, t); + if (tok != TOK_LAND) { + vseti(VT_JMPI, t); + break; + } + next(); + expr_or(); + } + } +} + +static void expr_lor(void) +{ + int t; + + expr_land(); + if (tok == TOK_LOR) { + t = 0; + for(;;) { + t = gtst(0, t); + if (tok != TOK_LOR) { + vseti(VT_JMP, t); + break; + } + next(); + expr_land(); + } + } +} + +/* XXX: better constant handling */ +static void expr_eq(void) +{ + int tt, u, r1, r2, rc, t1, t2, bt1, bt2; + SValue sv; + CType type, type1, type2; + + if (const_wanted) { + int c1, c; + expr_lor_const(); + if (tok == '?') { + c = vtop->c.i; + vpop(); + next(); + if (tok == ':' && gnu_ext) { + c1 = c; + } else { + gexpr(); + c1 = vtop->c.i; + vpop(); + } + skip(':'); + expr_eq(); + if (c) + vtop->c.i = c1; + } + } else { + expr_lor(); + if (tok == '?') { + next(); + if (vtop != vstack) { + /* needed to avoid having different registers saved in + each branch */ + if (is_float(vtop->type.t)) + rc = RC_FLOAT; + else + rc = RC_INT; + gv(rc); + save_regs(1); + } + if (tok == ':' && gnu_ext) { + gv_dup(); + tt = gtst(1, 0); + } else { + tt = gtst(1, 0); + gexpr(); + } + type1 = vtop->type; + sv = *vtop; /* save value to handle it later */ + vtop--; /* no vpop so that FP stack is not flushed */ + skip(':'); + u = gjmp(0); + gsym(tt); + expr_eq(); + type2 = vtop->type; + + t1 = type1.t; + bt1 = t1 & VT_BTYPE; + t2 = type2.t; + bt2 = t2 & VT_BTYPE; + /* cast operands to correct type according to ISOC rules */ + if (is_float(bt1) || is_float(bt2)) { + if (bt1 == VT_LDOUBLE || bt2 == VT_LDOUBLE) { + type.t = VT_LDOUBLE; + } else if (bt1 == VT_DOUBLE || bt2 == VT_DOUBLE) { + type.t = VT_DOUBLE; + } else { + type.t = VT_FLOAT; + } + } else if (bt1 == VT_LLONG || bt2 == VT_LLONG) { + /* cast to biggest op */ + type.t = VT_LLONG; + /* convert to unsigned if it does not fit in a long long */ + if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) || + (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED)) + type.t |= VT_UNSIGNED; + } else if (bt1 == VT_PTR || bt2 == VT_PTR) { + /* XXX: test pointer compatibility */ + type = type1; + } else if (bt1 == VT_STRUCT || bt2 == VT_STRUCT) { + /* XXX: test structure compatibility */ + type = type1; + } else if (bt1 == VT_VOID || bt2 == VT_VOID) { + /* NOTE: as an extension, we accept void on only one side */ + type.t = VT_VOID; + } else { + /* integer operations */ + type.t = VT_INT; + /* convert to unsigned if it does not fit in an integer */ + if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) || + (t2 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED)) + type.t |= VT_UNSIGNED; + } + + /* now we convert second operand */ + gen_cast(&type); + rc = RC_INT; + if (is_float(type.t)) { + rc = RC_FLOAT; + } else if ((type.t & VT_BTYPE) == VT_LLONG) { + /* for long longs, we use fixed registers to avoid having + to handle a complicated move */ + rc = RC_IRET; + } + + r2 = gv(rc); + /* this is horrible, but we must also convert first + operand */ + tt = gjmp(0); + gsym(u); + /* put again first value and cast it */ + *vtop = sv; + gen_cast(&type); + r1 = gv(rc); + move_reg(r2, r1); + vtop->r = r2; + gsym(tt); + } + } +} + +static void gexpr(void) +{ + while (1) { + expr_eq(); + if (tok != ',') + break; + vpop(); + next(); + } +} + +/* parse an expression and return its type without any side effect. */ +static void expr_type(CType *type) +{ + int saved_nocode_wanted; + + saved_nocode_wanted = nocode_wanted; + nocode_wanted = 1; + gexpr(); + *type = vtop->type; + vpop(); + nocode_wanted = saved_nocode_wanted; +} + +/* parse a unary expression and return its type without any side + effect. */ +static void unary_type(CType *type) +{ + int a; + + a = nocode_wanted; + nocode_wanted = 1; + unary(); + *type = vtop->type; + vpop(); + nocode_wanted = a; +} + +/* parse a constant expression and return value in vtop. */ +static void expr_const1(void) +{ + int a; + a = const_wanted; + const_wanted = 1; + expr_eq(); + const_wanted = a; +} + +/* parse an integer constant and return its value. */ +static int expr_const(void) +{ + int c; + expr_const1(); + if ((vtop->r & (VT_VALMASK | VT_LVAL | VT_SYM)) != VT_CONST) + expect("constant expression"); + c = vtop->c.i; + vpop(); + return c; +} + +/* return the label token if current token is a label, otherwise + return zero */ +static int is_label(void) +{ + int last_tok; + + /* fast test first */ + if (tok < TOK_UIDENT) + return 0; + /* no need to save tokc because tok is an identifier */ + last_tok = tok; + next(); + if (tok == ':') { + next(); + return last_tok; + } else { + unget_tok(last_tok); + return 0; + } +} + +static void block(int *bsym, int *csym, int *case_sym, int *def_sym, + int case_reg, int is_expr) +{ + int a, b, c, d; + Sym *s; + + /* generate line number info */ + if (do_debug && + (last_line_num != file->line_num || last_ind != ind)) { + put_stabn(N_SLINE, 0, file->line_num, ind - func_ind); + last_ind = ind; + last_line_num = file->line_num; + } + + if (is_expr) { + /* default return value is (void) */ + vpushi(0); + vtop->type.t = VT_VOID; + } + + if (tok == TOK_IF) { + /* if test */ + next(); + skip('('); + gexpr(); + skip(')'); + a = gtst(1, 0); + block(bsym, csym, case_sym, def_sym, case_reg, 0); + c = tok; + if (c == TOK_ELSE) { + next(); + d = gjmp(0); + gsym(a); + block(bsym, csym, case_sym, def_sym, case_reg, 0); + gsym(d); /* patch else jmp */ + } else + gsym(a); + } else if (tok == TOK_WHILE) { + next(); + d = ind; + skip('('); + gexpr(); + skip(')'); + a = gtst(1, 0); + b = 0; + block(&a, &b, case_sym, def_sym, case_reg, 0); + gjmp_addr(d); + gsym(a); + gsym_addr(b, d); + } else if (tok == '{') { + Sym *llabel; + + next(); + /* record local declaration stack position */ + s = local_stack; + llabel = local_label_stack; + /* handle local labels declarations */ + if (tok == TOK_LABEL) { + next(); + for(;;) { + if (tok < TOK_UIDENT) + expect("label identifier"); + label_push(&local_label_stack, tok, LABEL_DECLARED); + next(); + if (tok == ',') { + next(); + } else { + skip(';'); + break; + } + } + } + while (tok != '}') { + decl(VT_LOCAL); + if (tok != '}') { + if (is_expr) + vpop(); + block(bsym, csym, case_sym, def_sym, case_reg, is_expr); + } + } + /* pop locally defined labels */ + label_pop(&local_label_stack, llabel); + /* pop locally defined symbols */ + sym_pop(&local_stack, s); + next(); + } else if (tok == TOK_RETURN) { + next(); + if (tok != ';') { + gexpr(); + gen_assign_cast(&func_vt); + if ((func_vt.t & VT_BTYPE) == VT_STRUCT) { + CType type; + /* if returning structure, must copy it to implicit + first pointer arg location */ + type = func_vt; + mk_pointer(&type); + vset(&type, VT_LOCAL | VT_LVAL, func_vc); + indir(); + vswap(); + /* copy structure value to pointer */ + vstore(); + } else if (is_float(func_vt.t)) { + gv(RC_FRET); + } else { + gv(RC_IRET); + } + vtop--; /* NOT vpop() because on x86 it would flush the fp stack */ + } + skip(';'); + rsym = gjmp(rsym); /* jmp */ + } else if (tok == TOK_BREAK) { + /* compute jump */ + if (!bsym) + error("cannot break"); + *bsym = gjmp(*bsym); + next(); + skip(';'); + } else if (tok == TOK_CONTINUE) { + /* compute jump */ + if (!csym) + error("cannot continue"); + *csym = gjmp(*csym); + next(); + skip(';'); + } else if (tok == TOK_FOR) { + int e; + next(); + skip('('); + if (tok != ';') { + gexpr(); + vpop(); + } + skip(';'); + d = ind; + c = ind; + a = 0; + b = 0; + if (tok != ';') { + gexpr(); + a = gtst(1, 0); + } + skip(';'); + if (tok != ')') { + e = gjmp(0); + c = ind; + gexpr(); + vpop(); + gjmp_addr(d); + gsym(e); + } + skip(')'); + block(&a, &b, case_sym, def_sym, case_reg, 0); + gjmp_addr(c); + gsym(a); + gsym_addr(b, c); + } else + if (tok == TOK_DO) { + next(); + a = 0; + b = 0; + d = ind; + block(&a, &b, case_sym, def_sym, case_reg, 0); + skip(TOK_WHILE); + skip('('); + gsym(b); + gexpr(); + c = gtst(0, 0); + gsym_addr(c, d); + skip(')'); + gsym(a); + skip(';'); + } else + if (tok == TOK_SWITCH) { + next(); + skip('('); + gexpr(); + /* XXX: other types than integer */ + case_reg = gv(RC_INT); + vpop(); + skip(')'); + a = 0; + b = gjmp(0); /* jump to first case */ + c = 0; + block(&a, csym, &b, &c, case_reg, 0); + /* if no default, jmp after switch */ + if (c == 0) + c = ind; + /* default label */ + gsym_addr(b, c); + /* break label */ + gsym(a); + } else + if (tok == TOK_CASE) { + int v1, v2; + if (!case_sym) + expect("switch"); + next(); + v1 = expr_const(); + v2 = v1; + if (gnu_ext && tok == TOK_DOTS) { + next(); + v2 = expr_const(); + if (v2 < v1) + warning("empty case range"); + } + /* since a case is like a label, we must skip it with a jmp */ + b = gjmp(0); + gsym(*case_sym); + vseti(case_reg, 0); + vpushi(v1); + if (v1 == v2) { + gen_op(TOK_EQ); + *case_sym = gtst(1, 0); + } else { + gen_op(TOK_GE); + *case_sym = gtst(1, 0); + vseti(case_reg, 0); + vpushi(v2); + gen_op(TOK_LE); + *case_sym = gtst(1, *case_sym); + } + gsym(b); + skip(':'); + is_expr = 0; + goto block_after_label; + } else + if (tok == TOK_DEFAULT) { + next(); + skip(':'); + if (!def_sym) + expect("switch"); + if (*def_sym) + error("too many 'default'"); + *def_sym = ind; + is_expr = 0; + goto block_after_label; + } else + if (tok == TOK_GOTO) { + next(); + if (tok == '*' && gnu_ext) { + /* computed goto */ + next(); + gexpr(); + if ((vtop->type.t & VT_BTYPE) != VT_PTR) + expect("pointer"); + ggoto(); + } else if (tok >= TOK_UIDENT) { + s = label_find(tok); + /* put forward definition if needed */ + if (!s) { + s = label_push(&global_label_stack, tok, LABEL_FORWARD); + } else { + if (s->r == LABEL_DECLARED) + s->r = LABEL_FORWARD; + } + /* label already defined */ + if (s->r & LABEL_FORWARD) + s->next = (void *)gjmp((long)s->next); + else + gjmp_addr((long)s->next); + next(); + } else { + expect("label identifier"); + } + skip(';'); + } else if (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3) { + asm_instr(); + } else { + b = is_label(); + if (b) { + /* label case */ + s = label_find(b); + if (s) { + if (s->r == LABEL_DEFINED) + error("duplicate label '%s'", get_tok_str(s->v, NULL)); + gsym((long)s->next); + s->r = LABEL_DEFINED; + } else { + s = label_push(&global_label_stack, b, LABEL_DEFINED); + } + s->next = (void *)ind; + /* we accept this, but it is a mistake */ + block_after_label: + if (tok == '}') { + warning("deprecated use of label at end of compound statement"); + } else { + if (is_expr) + vpop(); + block(bsym, csym, case_sym, def_sym, case_reg, is_expr); + } + } else { + /* expression case */ + if (tok != ';') { + if (is_expr) { + vpop(); + gexpr(); + } else { + gexpr(); + vpop(); + } + } + skip(';'); + } + } +} + +/* t is the array or struct type. c is the array or struct + address. cur_index/cur_field is the pointer to the current + value. 'size_only' is true if only size info is needed (only used + in arrays) */ +static void decl_designator(CType *type, Section *sec, unsigned long c, + int *cur_index, Sym **cur_field, + int size_only) +{ + Sym *s, *f; + int notfirst, index, index_last, align, l, nb_elems, elem_size; + CType type1; + + notfirst = 0; + elem_size = 0; + nb_elems = 1; + if (gnu_ext && (l = is_label()) != 0) + goto struct_field; + while (tok == '[' || tok == '.') { + if (tok == '[') { + if (!(type->t & VT_ARRAY)) + expect("array type"); + s = type->ref; + next(); + index = expr_const(); + if (index < 0 || (s->c >= 0 && index >= s->c)) + expect("invalid index"); + if (tok == TOK_DOTS && gnu_ext) { + next(); + index_last = expr_const(); + if (index_last < 0 || + (s->c >= 0 && index_last >= s->c) || + index_last < index) + expect("invalid index"); + } else { + index_last = index; + } + skip(']'); + if (!notfirst) + *cur_index = index_last; + type = pointed_type(type); + elem_size = type_size(type, &align); + c += index * elem_size; + /* NOTE: we only support ranges for last designator */ + nb_elems = index_last - index + 1; + if (nb_elems != 1) { + notfirst = 1; + break; + } + } else { + next(); + l = tok; + next(); + struct_field: + if ((type->t & VT_BTYPE) != VT_STRUCT) + expect("struct/union type"); + s = type->ref; + l |= SYM_FIELD; + f = s->next; + while (f) { + if (f->v == l) + break; + f = f->next; + } + if (!f) + expect("field"); + if (!notfirst) + *cur_field = f; + /* XXX: fix this mess by using explicit storage field */ + type1 = f->type; + type1.t |= (type->t & ~VT_TYPE); + type = &type1; + c += f->c; + } + notfirst = 1; + } + if (notfirst) { + if (tok == '=') { + next(); + } else { + if (!gnu_ext) + expect("="); + } + } else { + if (type->t & VT_ARRAY) { + index = *cur_index; + type = pointed_type(type); + c += index * type_size(type, &align); + } else { + f = *cur_field; + if (!f) + error("too many field init"); + /* XXX: fix this mess by using explicit storage field */ + type1 = f->type; + type1.t |= (type->t & ~VT_TYPE); + type = &type1; + c += f->c; + } + } + decl_initializer(type, sec, c, 0, size_only); + + /* XXX: make it more general */ + if (!size_only && nb_elems > 1) { + unsigned long c_end; + uint8_t *src, *dst; + int i; + + if (!sec) + error("range init not supported yet for dynamic storage"); + c_end = c + nb_elems * elem_size; + if (c_end > sec->data_allocated) + section_realloc(sec, c_end); + src = sec->data + c; + dst = src; + for(i = 1; i < nb_elems; i++) { + dst += elem_size; + memcpy(dst, src, elem_size); + } + } +} + +#define EXPR_VAL 0 +#define EXPR_CONST 1 +#define EXPR_ANY 2 + +/* store a value or an expression directly in global data or in local array */ +static void init_putv(CType *type, Section *sec, unsigned long c, + int v, int expr_type) +{ + int saved_global_expr, bt, bit_pos, bit_size; + void *ptr; + unsigned long long bit_mask; + CType dtype; + + switch(expr_type) { + case EXPR_VAL: + vpushi(v); + break; + case EXPR_CONST: + /* compound literals must be allocated globally in this case */ + saved_global_expr = global_expr; + global_expr = 1; + expr_const1(); + global_expr = saved_global_expr; + /* NOTE: symbols are accepted */ + if ((vtop->r & (VT_VALMASK | VT_LVAL)) != VT_CONST) + error("initializer element is not constant"); + break; + case EXPR_ANY: + expr_eq(); + break; + } + + dtype = *type; + dtype.t &= ~VT_CONSTANT; /* need to do that to avoid false warning */ + + if (sec) { + /* XXX: not portable */ + /* XXX: generate error if incorrect relocation */ + gen_assign_cast(&dtype); + bt = type->t & VT_BTYPE; + ptr = sec->data + c; + /* XXX: make code faster ? */ + if (!(type->t & VT_BITFIELD)) { + bit_pos = 0; + bit_size = 32; + bit_mask = -1LL; + } else { + bit_pos = (vtop->type.t >> VT_STRUCT_SHIFT) & 0x3f; + bit_size = (vtop->type.t >> (VT_STRUCT_SHIFT + 6)) & 0x3f; + bit_mask = (1LL << bit_size) - 1; + } + if ((vtop->r & VT_SYM) && + (bt == VT_BYTE || + bt == VT_SHORT || + bt == VT_DOUBLE || + bt == VT_LDOUBLE || + bt == VT_LLONG || + (bt == VT_INT && bit_size != 32))) + error("initializer element is not computable at load time"); + switch(bt) { + case VT_BYTE: + *(char *)ptr |= (vtop->c.i & bit_mask) << bit_pos; + break; + case VT_SHORT: + *(short *)ptr |= (vtop->c.i & bit_mask) << bit_pos; + break; + case VT_DOUBLE: + *(double *)ptr = vtop->c.d; + break; + case VT_LDOUBLE: + *(long double *)ptr = vtop->c.ld; + break; + case VT_LLONG: + *(long long *)ptr |= (vtop->c.ll & bit_mask) << bit_pos; + break; + default: + if (vtop->r & VT_SYM) { + greloc(sec, vtop->sym, c, R_DATA_32); + } + *(int *)ptr |= (vtop->c.i & bit_mask) << bit_pos; + break; + } + vtop--; + } else { + vset(&dtype, VT_LOCAL, c); + vswap(); + vstore(); + vpop(); + } +} + +/* put zeros for variable based init */ +static void init_putz(CType *t, Section *sec, unsigned long c, int size) +{ + if (sec) { + /* nothing to do because globals are already set to zero */ + } else { + vpush_global_sym(&func_old_type, TOK_memset); + vseti(VT_LOCAL, c); + vpushi(0); + vpushi(size); + gfunc_call(3); + } +} + +/* 't' contains the type and storage info. 'c' is the offset of the + object in section 'sec'. If 'sec' is NULL, it means stack based + allocation. 'first' is true if array '{' must be read (multi + dimension implicit array init handling). 'size_only' is true if + size only evaluation is wanted (only for arrays). */ +static void decl_initializer(CType *type, Section *sec, unsigned long c, + int first, int size_only) +{ + int index, array_length, n, no_oblock, nb, parlevel, i; + int size1, align1, expr_type; + Sym *s, *f; + CType *t1; + + if (type->t & VT_ARRAY) { + s = type->ref; + n = s->c; + array_length = 0; + t1 = pointed_type(type); + size1 = type_size(t1, &align1); + + no_oblock = 1; + if ((first && tok != TOK_LSTR && tok != TOK_STR) || + tok == '{') { + skip('{'); + no_oblock = 0; + } + + /* only parse strings here if correct type (otherwise: handle + them as ((w)char *) expressions */ + if ((tok == TOK_LSTR && + (t1->t & VT_BTYPE) == VT_INT) || + (tok == TOK_STR && + (t1->t & VT_BTYPE) == VT_BYTE)) { + while (tok == TOK_STR || tok == TOK_LSTR) { + int cstr_len, ch; + CString *cstr; + + cstr = tokc.cstr; + /* compute maximum number of chars wanted */ + if (tok == TOK_STR) + cstr_len = cstr->size; + else + cstr_len = cstr->size / sizeof(int); + cstr_len--; + nb = cstr_len; + if (n >= 0 && nb > (n - array_length)) + nb = n - array_length; + if (!size_only) { + if (cstr_len > nb) + warning("initializer-string for array is too long"); + /* in order to go faster for common case (char + string in global variable, we handle it + specifically */ + if (sec && tok == TOK_STR && size1 == 1) { + memcpy(sec->data + c + array_length, cstr->data, nb); + } else { + for(i=0;i<nb;i++) { + if (tok == TOK_STR) + ch = ((unsigned char *)cstr->data)[i]; + else + ch = ((int *)cstr->data)[i]; + init_putv(t1, sec, c + (array_length + i) * size1, + ch, EXPR_VAL); + } + } + } + array_length += nb; + next(); + } + /* only add trailing zero if enough storage (no + warning in this case since it is standard) */ + if (n < 0 || array_length < n) { + if (!size_only) { + init_putv(t1, sec, c + (array_length * size1), 0, EXPR_VAL); + } + array_length++; + } + } else { + index = 0; + while (tok != '}') { + decl_designator(type, sec, c, &index, NULL, size_only); + if (n >= 0 && index >= n) + error("index too large"); + /* must put zero in holes (note that doing it that way + ensures that it even works with designators) */ + if (!size_only && array_length < index) { + init_putz(t1, sec, c + array_length * size1, + (index - array_length) * size1); + } + index++; + if (index > array_length) + array_length = index; + /* special test for multi dimensional arrays (may not + be strictly correct if designators are used at the + same time) */ + if (index >= n && no_oblock) + break; + if (tok == '}') + break; + skip(','); + } + } + if (!no_oblock) + skip('}'); + /* put zeros at the end */ + if (!size_only && n >= 0 && array_length < n) { + init_putz(t1, sec, c + array_length * size1, + (n - array_length) * size1); + } + /* patch type size if needed */ + if (n < 0) + s->c = array_length; + } else if ((type->t & VT_BTYPE) == VT_STRUCT && + (sec || !first || tok == '{')) { + int par_count; + + /* NOTE: the previous test is a specific case for automatic + struct/union init */ + /* XXX: union needs only one init */ + + /* XXX: this test is incorrect for local initializers + beginning with ( without {. It would be much more difficult + to do it correctly (ideally, the expression parser should + be used in all cases) */ + par_count = 0; + if (tok == '(') { + AttributeDef ad1; + CType type1; + next(); + while (tok == '(') { + par_count++; + next(); + } + if (!parse_btype(&type1, &ad1)) + expect("cast"); + type_decl(&type1, &ad1, &n, TYPE_ABSTRACT); +#if 0 + if (!is_assignable_types(type, &type1)) + error("invalid type for cast"); +#endif + skip(')'); + } + no_oblock = 1; + if (first || tok == '{') { + skip('{'); + no_oblock = 0; + } + s = type->ref; + f = s->next; + array_length = 0; + index = 0; + n = s->c; + while (tok != '}') { + decl_designator(type, sec, c, NULL, &f, size_only); + index = f->c; + if (!size_only && array_length < index) { + init_putz(type, sec, c + array_length, + index - array_length); + } + index = index + type_size(&f->type, &align1); + if (index > array_length) + array_length = index; + f = f->next; + if (no_oblock && f == NULL) + break; + if (tok == '}') + break; + skip(','); + } + /* put zeros at the end */ + if (!size_only && array_length < n) { + init_putz(type, sec, c + array_length, + n - array_length); + } + if (!no_oblock) + skip('}'); + while (par_count) { + skip(')'); + par_count--; + } + } else if (tok == '{') { + next(); + decl_initializer(type, sec, c, first, size_only); + skip('}'); + } else if (size_only) { + /* just skip expression */ + parlevel = 0; + while ((parlevel > 0 || (tok != '}' && tok != ',')) && + tok != -1) { + if (tok == '(') + parlevel++; + else if (tok == ')') + parlevel--; + next(); + } + } else { + /* currently, we always use constant expression for globals + (may change for scripting case) */ + expr_type = EXPR_CONST; + if (!sec) + expr_type = EXPR_ANY; + init_putv(type, sec, c, 0, expr_type); + } +} + +/* parse an initializer for type 't' if 'has_init' is non zero, and + allocate space in local or global data space ('r' is either + VT_LOCAL or VT_CONST). If 'v' is non zero, then an associated + variable 'v' of scope 'scope' is declared before initializers are + parsed. If 'v' is zero, then a reference to the new object is put + in the value stack. If 'has_init' is 2, a special parsing is done + to handle string constants. */ +static void decl_initializer_alloc(CType *type, AttributeDef *ad, int r, + int has_init, int v, int scope) +{ + int size, align, addr, data_offset; + int level; + ParseState saved_parse_state; + TokenString init_str; + Section *sec; + + size = type_size(type, &align); + /* If unknown size, we must evaluate it before + evaluating initializers because + initializers can generate global data too + (e.g. string pointers or ISOC99 compound + literals). It also simplifies local + initializers handling */ + tok_str_new(&init_str); + if (size < 0) { + if (!has_init) + error("unknown type size"); + /* get all init string */ + if (has_init == 2) { + /* only get strings */ + while (tok == TOK_STR || tok == TOK_LSTR) { + tok_str_add_tok(&init_str); + next(); + } + } else { + level = 0; + while (level > 0 || (tok != ',' && tok != ';')) { + if (tok < 0) + error("unexpected end of file in initializer"); + tok_str_add_tok(&init_str); + if (tok == '{') + level++; + else if (tok == '}') { + if (level == 0) + break; + level--; + } + next(); + } + } + tok_str_add(&init_str, -1); + tok_str_add(&init_str, 0); + + /* compute size */ + save_parse_state(&saved_parse_state); + + macro_ptr = init_str.str; + next(); + decl_initializer(type, NULL, 0, 1, 1); + /* prepare second initializer parsing */ + macro_ptr = init_str.str; + next(); + + /* if still unknown size, error */ + size = type_size(type, &align); + if (size < 0) + error("unknown type size"); + } + /* take into account specified alignment if bigger */ + if (ad->aligned) { + if (ad->aligned > align) + align = ad->aligned; + } else if (ad->packed) { + align = 1; + } + if ((r & VT_VALMASK) == VT_LOCAL) { + sec = NULL; + if (do_bounds_check && (type->t & VT_ARRAY)) + loc--; + loc = (loc - size) & -align; + addr = loc; + /* handles bounds */ + /* XXX: currently, since we do only one pass, we cannot track + '&' operators, so we add only arrays */ + if (do_bounds_check && (type->t & VT_ARRAY)) { + unsigned long *bounds_ptr; + /* add padding between regions */ + loc--; + /* then add local bound info */ + bounds_ptr = section_ptr_add(lbounds_section, 2 * sizeof(unsigned long)); + bounds_ptr[0] = addr; + bounds_ptr[1] = size; + } + if (v) { + /* local variable */ + sym_push(v, type, r, addr); + } else { + /* push local reference */ + vset(type, r, addr); + } + } else { + Sym *sym; + + sym = NULL; + if (v && scope == VT_CONST) { + /* see if the symbol was already defined */ + sym = sym_find(v); + if (sym) { + if (!is_compatible_types(&sym->type, type)) + error("incompatible types for redefinition of '%s'", + get_tok_str(v, NULL)); + if (sym->type.t & VT_EXTERN) { + /* if the variable is extern, it was not allocated */ + sym->type.t &= ~VT_EXTERN; + /* set array size if it was ommited in extern + declaration */ + if ((sym->type.t & VT_ARRAY) && + sym->type.ref->c < 0 && + type->ref->c >= 0) + sym->type.ref->c = type->ref->c; + } else { + /* we accept several definitions of the same + global variable. this is tricky, because we + must play with the SHN_COMMON type of the symbol */ + /* XXX: should check if the variable was already + initialized. It is incorrect to initialized it + twice */ + /* no init data, we won't add more to the symbol */ + if (!has_init) + goto no_alloc; + } + } + } + + /* allocate symbol in corresponding section */ + sec = ad->section; + if (!sec) { + if (has_init) + sec = data_section; + else if (tcc_state->nocommon) + sec = bss_section; + } + if (sec) { + data_offset = sec->data_offset; + data_offset = (data_offset + align - 1) & -align; + addr = data_offset; + /* very important to increment global pointer at this time + because initializers themselves can create new initializers */ + data_offset += size; + /* add padding if bound check */ + if (do_bounds_check) + data_offset++; + sec->data_offset = data_offset; + /* allocate section space to put the data */ + if (sec->sh_type != SHT_NOBITS && + data_offset > sec->data_allocated) + section_realloc(sec, data_offset); + /* align section if needed */ + if (align > sec->sh_addralign) + sec->sh_addralign = align; + } else { + addr = 0; /* avoid warning */ + } + + if (v) { + if (scope == VT_CONST) { + if (!sym) + goto do_def; + } else { + do_def: + sym = sym_push(v, type, r | VT_SYM, 0); + } + /* update symbol definition */ + if (sec) { + put_extern_sym(sym, sec, addr, size); + } else { + Elf32_Sym *esym; + /* put a common area */ + put_extern_sym(sym, NULL, align, size); + /* XXX: find a nicer way */ + esym = &((Elf32_Sym *)symtab_section->data)[sym->c]; + esym->st_shndx = SHN_COMMON; + } + } else { + CValue cval; + + /* push global reference */ + sym = get_sym_ref(type, sec, addr, size); + cval.ul = 0; + vsetc(type, VT_CONST | VT_SYM, &cval); + vtop->sym = sym; + } + + /* handles bounds now because the symbol must be defined + before for the relocation */ + if (do_bounds_check) { + unsigned long *bounds_ptr; + + greloc(bounds_section, sym, bounds_section->data_offset, R_DATA_32); + /* then add global bound info */ + bounds_ptr = section_ptr_add(bounds_section, 2 * sizeof(long)); + bounds_ptr[0] = 0; /* relocated */ + bounds_ptr[1] = size; + } + } + if (has_init) { + decl_initializer(type, sec, addr, 1, 0); + /* restore parse state if needed */ + if (init_str.str) { + tok_str_free(init_str.str); + restore_parse_state(&saved_parse_state); + } + } + no_alloc: ; +} + +void put_func_debug(Sym *sym) +{ + char buf[512]; + + /* stabs info */ + /* XXX: we put here a dummy type */ + snprintf(buf, sizeof(buf), "%s:%c1", + funcname, sym->type.t & VT_STATIC ? 'f' : 'F'); + put_stabs_r(buf, N_FUN, 0, file->line_num, 0, + cur_text_section, sym->c); + last_ind = 0; + last_line_num = 0; +} + +/* parse an old style function declaration list */ +/* XXX: check multiple parameter */ +static void func_decl_list(Sym *func_sym) +{ + AttributeDef ad; + int v; + Sym *s; + CType btype, type; + + /* parse each declaration */ + while (tok != '{' && tok != ';' && tok != ',' && tok != TOK_EOF) { + if (!parse_btype(&btype, &ad)) + expect("declaration list"); + if (((btype.t & VT_BTYPE) == VT_ENUM || + (btype.t & VT_BTYPE) == VT_STRUCT) && + tok == ';') { + /* we accept no variable after */ + } else { + for(;;) { + type = btype; + type_decl(&type, &ad, &v, TYPE_DIRECT); + /* find parameter in function parameter list */ + s = func_sym->next; + while (s != NULL) { + if ((s->v & ~SYM_FIELD) == v) + goto found; + s = s->next; + } + error("declaration for parameter '%s' but no such parameter", + get_tok_str(v, NULL)); + found: + /* check that no storage specifier except 'register' was given */ + if (type.t & VT_STORAGE) + error("storage class specified for '%s'", get_tok_str(v, NULL)); + convert_parameter_type(&type); + /* we can add the type (NOTE: it could be local to the function) */ + s->type = type; + /* accept other parameters */ + if (tok == ',') + next(); + else + break; + } + } + skip(';'); + } +} + +/* parse a function defined by symbol 'sym' and generate its code in + 'cur_text_section' */ +static void gen_function(Sym *sym) +{ + ind = cur_text_section->data_offset; + /* NOTE: we patch the symbol size later */ + put_extern_sym(sym, cur_text_section, ind, 0); + funcname = get_tok_str(sym->v, NULL); + func_ind = ind; + /* put debug symbol */ + if (do_debug) + put_func_debug(sym); + /* push a dummy symbol to enable local sym storage */ + sym_push2(&local_stack, SYM_FIELD, 0, 0); + gfunc_prolog(&sym->type); + rsym = 0; + block(NULL, NULL, NULL, NULL, 0, 0); + gsym(rsym); + gfunc_epilog(); + cur_text_section->data_offset = ind; + label_pop(&global_label_stack, NULL); + sym_pop(&local_stack, NULL); /* reset local stack */ + /* end of function */ + /* patch symbol size */ + ((Elf32_Sym *)symtab_section->data)[sym->c].st_size = + ind - func_ind; + if (do_debug) { + put_stabn(N_FUN, 0, 0, ind - func_ind); + } + funcname = ""; /* for safety */ + func_vt.t = VT_VOID; /* for safety */ + ind = 0; /* for safety */ +} + +static void gen_inline_functions(void) +{ + Sym *sym; + CType *type; + int *str, inline_generated; + + /* iterate while inline function are referenced */ + for(;;) { + inline_generated = 0; + for(sym = global_stack; sym != NULL; sym = sym->prev) { + type = &sym->type; + if (((type->t & VT_BTYPE) == VT_FUNC) && + (type->t & (VT_STATIC | VT_INLINE)) == + (VT_STATIC | VT_INLINE) && + sym->c != 0) { + /* the function was used: generate its code and + convert it to a normal function */ + str = (int *)sym->r; + sym->r = VT_SYM | VT_CONST; + type->t &= ~VT_INLINE; + + macro_ptr = str; + next(); + cur_text_section = text_section; + gen_function(sym); + macro_ptr = NULL; /* fail safe */ + + tok_str_free(str); + inline_generated = 1; + } + } + if (!inline_generated) + break; + } + + /* free all remaining inline function tokens */ + for(sym = global_stack; sym != NULL; sym = sym->prev) { + type = &sym->type; + if (((type->t & VT_BTYPE) == VT_FUNC) && + (type->t & (VT_STATIC | VT_INLINE)) == + (VT_STATIC | VT_INLINE)) { + str = (int *)sym->r; + tok_str_free(str); + sym->r = 0; /* fail safe */ + } + } +} + +/* 'l' is VT_LOCAL or VT_CONST to define default storage type */ +static void decl(int l) +{ + int v, has_init, r; + CType type, btype; + Sym *sym; + AttributeDef ad; + + while (1) { + if (!parse_btype(&btype, &ad)) { + /* skip redundant ';' */ + /* XXX: find more elegant solution */ + if (tok == ';') { + next(); + continue; + } + if (l == VT_CONST && + (tok == TOK_ASM1 || tok == TOK_ASM2 || tok == TOK_ASM3)) { + /* global asm block */ + asm_global_instr(); + continue; + } + /* special test for old K&R protos without explicit int + type. Only accepted when defining global data */ + if (l == VT_LOCAL || tok < TOK_DEFINE) + break; + btype.t = VT_INT; + } + if (((btype.t & VT_BTYPE) == VT_ENUM || + (btype.t & VT_BTYPE) == VT_STRUCT) && + tok == ';') { + /* we accept no variable after */ + next(); + continue; + } + while (1) { /* iterate thru each declaration */ + type = btype; + type_decl(&type, &ad, &v, TYPE_DIRECT); +#if 0 + { + char buf[500]; + type_to_str(buf, sizeof(buf), t, get_tok_str(v, NULL)); + printf("type = '%s'\n", buf); + } +#endif + if ((type.t & VT_BTYPE) == VT_FUNC) { + /* if old style function prototype, we accept a + declaration list */ + sym = type.ref; + if (sym->c == FUNC_OLD) + func_decl_list(sym); + } + + if (tok == '{') { + if (l == VT_LOCAL) + error("cannot use local functions"); + if (!(type.t & VT_FUNC)) + expect("function definition"); + + /* reject abstract declarators in function definition */ + sym = type.ref; + while ((sym = sym->next) != NULL) + if (!(sym->v & ~SYM_FIELD)) + expect("identifier"); + + /* XXX: cannot do better now: convert extern line to static inline */ + if ((type.t & (VT_EXTERN | VT_INLINE)) == (VT_EXTERN | VT_INLINE)) + type.t = (type.t & ~VT_EXTERN) | VT_STATIC; + + sym = sym_find(v); + if (sym) { + if ((sym->type.t & VT_BTYPE) != VT_FUNC) + goto func_error1; + /* specific case: if not func_call defined, we put + the one of the prototype */ + /* XXX: should have default value */ + if (sym->type.ref->r != FUNC_CDECL && + type.ref->r == FUNC_CDECL) + type.ref->r = sym->type.ref->r; + if (!is_compatible_types(&sym->type, &type)) { + func_error1: + error("incompatible types for redefinition of '%s'", + get_tok_str(v, NULL)); + } + /* if symbol is already defined, then put complete type */ + sym->type = type; + } else { + /* put function symbol */ + sym = global_identifier_push(v, type.t, 0); + sym->type.ref = type.ref; + } + + /* static inline functions are just recorded as a kind + of macro. Their code will be emitted at the end of + the compilation unit only if they are used */ + if ((type.t & (VT_INLINE | VT_STATIC)) == + (VT_INLINE | VT_STATIC)) { + TokenString func_str; + int block_level; + + tok_str_new(&func_str); + + block_level = 0; + for(;;) { + int t; + if (tok == TOK_EOF) + error("unexpected end of file"); + tok_str_add_tok(&func_str); + t = tok; + next(); + if (t == '{') { + block_level++; + } else if (t == '}') { + block_level--; + if (block_level == 0) + break; + } + } + tok_str_add(&func_str, -1); + tok_str_add(&func_str, 0); + sym->r = (int)func_str.str; + } else { + /* compute text section */ + cur_text_section = ad.section; + if (!cur_text_section) + cur_text_section = text_section; + sym->r = VT_SYM | VT_CONST; + gen_function(sym); +#ifdef TCC_TARGET_PE + if (ad.dllexport) { + ((Elf32_Sym *)symtab_section->data)[sym->c].st_other |= 1; + } +#endif + } + break; + } else { + if (btype.t & VT_TYPEDEF) { + /* save typedefed type */ + /* XXX: test storage specifiers ? */ + sym = sym_push(v, &type, 0, 0); + sym->type.t |= VT_TYPEDEF; + } else if ((type.t & VT_BTYPE) == VT_FUNC) { + /* external function definition */ + /* specific case for func_call attribute */ + if (ad.func_call) + type.ref->r = ad.func_call; + external_sym(v, &type, 0); + } else { + /* not lvalue if array */ + r = 0; + if (!(type.t & VT_ARRAY)) + r |= lvalue_type(type.t); + has_init = (tok == '='); + if ((btype.t & VT_EXTERN) || + ((type.t & VT_ARRAY) && (type.t & VT_STATIC) && + !has_init && l == VT_CONST && type.ref->c < 0)) { + /* external variable */ + /* NOTE: as GCC, uninitialized global static + arrays of null size are considered as + extern */ + external_sym(v, &type, r); + } else { + if (type.t & VT_STATIC) + r |= VT_CONST; + else + r |= l; + if (has_init) + next(); + decl_initializer_alloc(&type, &ad, r, + has_init, v, l); + } + } + if (tok != ',') { + skip(';'); + break; + } + next(); + } + } + } +} + +/* better than nothing, but needs extension to handle '-E' option + correctly too */ +static void preprocess_init(TCCState *s1) +{ + s1->include_stack_ptr = s1->include_stack; + /* XXX: move that before to avoid having to initialize + file->ifdef_stack_ptr ? */ + s1->ifdef_stack_ptr = s1->ifdef_stack; + file->ifdef_stack_ptr = s1->ifdef_stack_ptr; + + /* XXX: not ANSI compliant: bound checking says error */ + vtop = vstack - 1; + s1->pack_stack[0] = 0; + s1->pack_stack_ptr = s1->pack_stack; +} + +/* compile the C file opened in 'file'. Return non zero if errors. */ +static int tcc_compile(TCCState *s1) +{ + Sym *define_start; + char buf[512]; + volatile int section_sym; + +#ifdef INC_DEBUG + printf("%s: **** new file\n", file->filename); +#endif + preprocess_init(s1); + + funcname = ""; + anon_sym = SYM_FIRST_ANOM; + + /* file info: full path + filename */ + section_sym = 0; /* avoid warning */ + if (do_debug) { + section_sym = put_elf_sym(symtab_section, 0, 0, + ELF32_ST_INFO(STB_LOCAL, STT_SECTION), 0, + text_section->sh_num, NULL); + getcwd(buf, sizeof(buf)); + pstrcat(buf, sizeof(buf), "/"); + put_stabs_r(buf, N_SO, 0, 0, + text_section->data_offset, text_section, section_sym); + put_stabs_r(file->filename, N_SO, 0, 0, + text_section->data_offset, text_section, section_sym); + } + /* an elf symbol of type STT_FILE must be put so that STB_LOCAL + symbols can be safely used */ + put_elf_sym(symtab_section, 0, 0, + ELF32_ST_INFO(STB_LOCAL, STT_FILE), 0, + SHN_ABS, file->filename); + + /* define some often used types */ + int_type.t = VT_INT; + + char_pointer_type.t = VT_BYTE; + mk_pointer(&char_pointer_type); + + func_old_type.t = VT_FUNC; + func_old_type.ref = sym_push(SYM_FIELD, &int_type, FUNC_CDECL, FUNC_OLD); + +#if 0 + /* define 'void *alloca(unsigned int)' builtin function */ + { + Sym *s1; + + p = anon_sym++; + sym = sym_push(p, mk_pointer(VT_VOID), FUNC_CDECL, FUNC_NEW); + s1 = sym_push(SYM_FIELD, VT_UNSIGNED | VT_INT, 0, 0); + s1->next = NULL; + sym->next = s1; + sym_push(TOK_alloca, VT_FUNC | (p << VT_STRUCT_SHIFT), VT_CONST, 0); + } +#endif + + define_start = define_stack; + + if (setjmp(s1->error_jmp_buf) == 0) { + s1->nb_errors = 0; + s1->error_set_jmp_enabled = 1; + + ch = file->buf_ptr[0]; + tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; + parse_flags = PARSE_FLAG_PREPROCESS | PARSE_FLAG_TOK_NUM; + next(); + decl(VT_CONST); + if (tok != TOK_EOF) + expect("declaration"); + + /* end of translation unit info */ + if (do_debug) { + put_stabs_r(NULL, N_SO, 0, 0, + text_section->data_offset, text_section, section_sym); + } + } + s1->error_set_jmp_enabled = 0; + + /* reset define stack, but leave -Dsymbols (may be incorrect if + they are undefined) */ + free_defines(define_start); + + gen_inline_functions(); + + sym_pop(&global_stack, NULL); + + return s1->nb_errors != 0 ? -1 : 0; +} + +#ifdef LIBTCC +int tcc_compile_string(TCCState *s, const char *str) +{ + BufferedFile bf1, *bf = &bf1; + int ret, len; + char *buf; + + /* init file structure */ + bf->fd = -1; + /* XXX: avoid copying */ + len = strlen(str); + buf = tcc_malloc(len + 1); + if (!buf) + return -1; + memcpy(buf, str, len); + buf[len] = CH_EOB; + bf->buf_ptr = buf; + bf->buf_end = buf + len; + pstrcpy(bf->filename, sizeof(bf->filename), "<string>"); + bf->line_num = 1; + file = bf; + + ret = tcc_compile(s); + + tcc_free(buf); + + /* currently, no need to close */ + return ret; +} +#endif + +/* define a preprocessor symbol. A value can also be provided with the '=' operator */ +void tcc_define_symbol(TCCState *s1, const char *sym, const char *value) +{ + BufferedFile bf1, *bf = &bf1; + + pstrcpy(bf->buffer, IO_BUF_SIZE, sym); + pstrcat(bf->buffer, IO_BUF_SIZE, " "); + /* default value */ + if (!value) + value = "1"; + pstrcat(bf->buffer, IO_BUF_SIZE, value); + + /* init file structure */ + bf->fd = -1; + bf->buf_ptr = bf->buffer; + bf->buf_end = bf->buffer + strlen(bf->buffer); + *bf->buf_end = CH_EOB; + bf->filename[0] = '\0'; + bf->line_num = 1; + file = bf; + + s1->include_stack_ptr = s1->include_stack; + + /* parse with define parser */ + ch = file->buf_ptr[0]; + next_nomacro(); + parse_define(); + file = NULL; +} + +/* undefine a preprocessor symbol */ +void tcc_undefine_symbol(TCCState *s1, const char *sym) +{ + TokenSym *ts; + Sym *s; + ts = tok_alloc(sym, strlen(sym)); + s = define_find(ts->tok); + /* undefine symbol by putting an invalid name */ + if (s) + define_undef(s); +} + +#ifdef CONFIG_TCC_ASM + +#ifdef TCC_TARGET_I386 +// njn: inlined i386-asm.c +//#include "i386-asm.c" +//--------------------------------------------------------------------------- +/* + * i386 specific functions for TCC assembler + * + * Copyright (c) 2001, 2002 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define MAX_OPERANDS 3 + +typedef struct ASMInstr { + uint16_t sym; + uint16_t opcode; + uint16_t instr_type; +#define OPC_JMP 0x01 /* jmp operand */ +#define OPC_B 0x02 /* only used zith OPC_WL */ +#define OPC_WL 0x04 /* accepts w, l or no suffix */ +#define OPC_BWL (OPC_B | OPC_WL) /* accepts b, w, l or no suffix */ +#define OPC_REG 0x08 /* register is added to opcode */ +#define OPC_MODRM 0x10 /* modrm encoding */ +#define OPC_FWAIT 0x20 /* add fwait opcode */ +#define OPC_TEST 0x40 /* test opcodes */ +#define OPC_SHIFT 0x80 /* shift opcodes */ +#define OPC_D16 0x0100 /* generate data16 prefix */ +#define OPC_ARITH 0x0200 /* arithmetic opcodes */ +#define OPC_SHORTJMP 0x0400 /* short jmp operand */ +#define OPC_FARITH 0x0800 /* FPU arithmetic opcodes */ +#define OPC_GROUP_SHIFT 13 + +/* in order to compress the operand type, we use specific operands and + we or only with EA */ +#define OPT_REG8 0 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_REG16 1 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_REG32 2 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_MMX 3 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_SSE 4 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_CR 5 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_TR 6 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_DB 7 /* warning: value is hardcoded from TOK_ASM_xxx */ +#define OPT_SEG 8 +#define OPT_ST 9 +#define OPT_IM8 10 +#define OPT_IM8S 11 +#define OPT_IM16 12 +#define OPT_IM32 13 +#define OPT_EAX 14 /* %al, %ax or %eax register */ +#define OPT_ST0 15 /* %st(0) register */ +#define OPT_CL 16 /* %cl register */ +#define OPT_DX 17 /* %dx register */ +#define OPT_ADDR 18 /* OP_EA with only offset */ +#define OPT_INDIR 19 /* *(expr) */ + +/* composite types */ +#define OPT_COMPOSITE_FIRST 20 +#define OPT_IM 20 /* IM8 | IM16 | IM32 */ +#define OPT_REG 21 /* REG8 | REG16 | REG32 */ +#define OPT_REGW 22 /* REG16 | REG32 */ +#define OPT_IMW 23 /* IM16 | IM32 */ + +/* can be ored with any OPT_xxx */ +#define OPT_EA 0x80 + + uint8_t nb_ops; + uint8_t op_type[MAX_OPERANDS]; /* see OP_xxx */ +} ASMInstr; + +typedef struct Operand { + uint32_t type; +#define OP_REG8 (1 << OPT_REG8) +#define OP_REG16 (1 << OPT_REG16) +#define OP_REG32 (1 << OPT_REG32) +#define OP_MMX (1 << OPT_MMX) +#define OP_SSE (1 << OPT_SSE) +#define OP_CR (1 << OPT_CR) +#define OP_TR (1 << OPT_TR) +#define OP_DB (1 << OPT_DB) +#define OP_SEG (1 << OPT_SEG) +#define OP_ST (1 << OPT_ST) +#define OP_IM8 (1 << OPT_IM8) +#define OP_IM8S (1 << OPT_IM8S) +#define OP_IM16 (1 << OPT_IM16) +#define OP_IM32 (1 << OPT_IM32) +#define OP_EAX (1 << OPT_EAX) +#define OP_ST0 (1 << OPT_ST0) +#define OP_CL (1 << OPT_CL) +#define OP_DX (1 << OPT_DX) +#define OP_ADDR (1 << OPT_ADDR) +#define OP_INDIR (1 << OPT_INDIR) + +#define OP_EA 0x40000000 +#define OP_REG (OP_REG8 | OP_REG16 | OP_REG32) +#define OP_IM OP_IM32 + int8_t reg; /* register, -1 if none */ + int8_t reg2; /* second register, -1 if none */ + uint8_t shift; + ExprValue e; +} Operand; + +static const uint8_t reg_to_size[5] = { + [OP_REG8] = 0, + [OP_REG16] = 1, + [OP_REG32] = 2, +}; + +#define WORD_PREFIX_OPCODE 0x66 + +#define NB_TEST_OPCODES 30 + +static const uint8_t test_bits[NB_TEST_OPCODES] = { + 0x00, /* o */ + 0x01, /* no */ + 0x02, /* b */ + 0x02, /* c */ + 0x02, /* nae */ + 0x03, /* nb */ + 0x03, /* nc */ + 0x03, /* ae */ + 0x04, /* e */ + 0x04, /* z */ + 0x05, /* ne */ + 0x05, /* nz */ + 0x06, /* be */ + 0x06, /* na */ + 0x07, /* nbe */ + 0x07, /* a */ + 0x08, /* s */ + 0x09, /* ns */ + 0x0a, /* p */ + 0x0a, /* pe */ + 0x0b, /* np */ + 0x0b, /* po */ + 0x0c, /* l */ + 0x0c, /* nge */ + 0x0d, /* nl */ + 0x0d, /* ge */ + 0x0e, /* le */ + 0x0e, /* ng */ + 0x0f, /* nle */ + 0x0f, /* g */ +}; + +static const ASMInstr asm_instrs[] = { +#define ALT(x) x +#define DEF_ASM_OP0(name, opcode) +#define DEF_ASM_OP0L(name, opcode, group, instr_type) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 0 }, +#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 1, { op0 }}, +#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 2, { op0, op1 }}, +#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) { TOK_ASM_ ## name, opcode, (instr_type | group << OPC_GROUP_SHIFT), 3, { op0, op1, op2 }}, +// njn: inlined i386-asm.h +//#include "i386-asm.h" +//--------------------------------------------------------------------------- + DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ + DEF_ASM_OP0(popa, 0x61) + DEF_ASM_OP0(clc, 0xf8) + DEF_ASM_OP0(cld, 0xfc) + DEF_ASM_OP0(cli, 0xfa) + DEF_ASM_OP0(clts, 0x0f06) + DEF_ASM_OP0(cmc, 0xf5) + DEF_ASM_OP0(lahf, 0x9f) + DEF_ASM_OP0(sahf, 0x9e) + DEF_ASM_OP0(pushfl, 0x9c) + DEF_ASM_OP0(popfl, 0x9d) + DEF_ASM_OP0(pushf, 0x9c) + DEF_ASM_OP0(popf, 0x9d) + DEF_ASM_OP0(stc, 0xf9) + DEF_ASM_OP0(std, 0xfd) + DEF_ASM_OP0(sti, 0xfb) + DEF_ASM_OP0(aaa, 0x37) + DEF_ASM_OP0(aas, 0x3f) + DEF_ASM_OP0(daa, 0x27) + DEF_ASM_OP0(das, 0x2f) + DEF_ASM_OP0(aad, 0xd50a) + DEF_ASM_OP0(aam, 0xd40a) + DEF_ASM_OP0(cbw, 0x6698) + DEF_ASM_OP0(cwd, 0x6699) + DEF_ASM_OP0(cwde, 0x98) + DEF_ASM_OP0(cdq, 0x99) + DEF_ASM_OP0(cbtw, 0x6698) + DEF_ASM_OP0(cwtl, 0x98) + DEF_ASM_OP0(cwtd, 0x6699) + DEF_ASM_OP0(cltd, 0x99) + DEF_ASM_OP0(int3, 0xcc) + DEF_ASM_OP0(into, 0xce) + DEF_ASM_OP0(iret, 0xcf) + DEF_ASM_OP0(rsm, 0x0faa) + DEF_ASM_OP0(hlt, 0xf4) + DEF_ASM_OP0(wait, 0x9b) + DEF_ASM_OP0(nop, 0x90) + DEF_ASM_OP0(xlat, 0xd7) + + /* strings */ +ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) + + /* bits */ + +ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) + +ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + + /* prefixes */ + DEF_ASM_OP0(aword, 0x67) + DEF_ASM_OP0(addr16, 0x67) + DEF_ASM_OP0(word, 0x66) + DEF_ASM_OP0(data16, 0x66) + DEF_ASM_OP0(lock, 0xf0) + DEF_ASM_OP0(rep, 0xf3) + DEF_ASM_OP0(repe, 0xf3) + DEF_ASM_OP0(repz, 0xf3) + DEF_ASM_OP0(repne, 0xf2) + DEF_ASM_OP0(repnz, 0xf2) + + DEF_ASM_OP0(invd, 0x0f08) + DEF_ASM_OP0(wbinvd, 0x0f09) + DEF_ASM_OP0(cpuid, 0x0fa2) + DEF_ASM_OP0(wrmsr, 0x0f30) + DEF_ASM_OP0(rdtsc, 0x0f31) + DEF_ASM_OP0(rdmsr, 0x0f32) + DEF_ASM_OP0(rdpmc, 0x0f33) + DEF_ASM_OP0(ud2, 0x0f0b) + + /* NOTE: we took the same order as gas opcode definition order */ +ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) +ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) +ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) + +ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) +ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) +ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) + +ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) +ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) + +ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) +ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) +ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) + +ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) +ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) +ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) + +ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) + + /* arith */ +ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ +ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) +ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) +ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) + +ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) +ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) + + /* shifts */ +ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) + +ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) +ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) + +ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) +ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) + +ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) +ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) + DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) + DEF_ASM_OP0(leave, 0xc9) + DEF_ASM_OP0(ret, 0xc3) +ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) + DEF_ASM_OP0(lret, 0xcb) +ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) + +ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) + DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) + + /* float */ + /* specific fcomp handling */ +ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) + +ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) +ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) + + DEF_ASM_OP0(fucompp, 0xdae9) + DEF_ASM_OP0(ftst, 0xd9e4) + DEF_ASM_OP0(fxam, 0xd9e5) + DEF_ASM_OP0(fld1, 0xd9e8) + DEF_ASM_OP0(fldl2t, 0xd9e9) + DEF_ASM_OP0(fldl2e, 0xd9ea) + DEF_ASM_OP0(fldpi, 0xd9eb) + DEF_ASM_OP0(fldlg2, 0xd9ec) + DEF_ASM_OP0(fldln2, 0xd9ed) + DEF_ASM_OP0(fldz, 0xd9ee) + + DEF_ASM_OP0(f2xm1, 0xd9f0) + DEF_ASM_OP0(fyl2x, 0xd9f1) + DEF_ASM_OP0(fptan, 0xd9f2) + DEF_ASM_OP0(fpatan, 0xd9f3) + DEF_ASM_OP0(fxtract, 0xd9f4) + DEF_ASM_OP0(fprem1, 0xd9f5) + DEF_ASM_OP0(fdecstp, 0xd9f6) + DEF_ASM_OP0(fincstp, 0xd9f7) + DEF_ASM_OP0(fprem, 0xd9f8) + DEF_ASM_OP0(fyl2xp1, 0xd9f9) + DEF_ASM_OP0(fsqrt, 0xd9fa) + DEF_ASM_OP0(fsincos, 0xd9fb) + DEF_ASM_OP0(frndint, 0xd9fc) + DEF_ASM_OP0(fscale, 0xd9fd) + DEF_ASM_OP0(fsin, 0xd9fe) + DEF_ASM_OP0(fcos, 0xd9ff) + DEF_ASM_OP0(fchs, 0xd9e0) + DEF_ASM_OP0(fabs, 0xd9e1) + DEF_ASM_OP0(fninit, 0xdbe3) + DEF_ASM_OP0(fnclex, 0xdbe2) + DEF_ASM_OP0(fnop, 0xd9d0) + DEF_ASM_OP0(fwait, 0x9b) + + /* fp load */ + DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) + DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) + + /* fp store */ + DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) + + DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) + + /* exchange */ + DEF_ASM_OP0(fxch, 0xd9c9) +ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) + + /* misc FPU */ + DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) + + DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) + DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP0(fnstsw, 0xdfe0) +ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) +ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) + DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) +ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) +ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) + DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) + DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + + /* segments */ + DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) + DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) + DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) +ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) + DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) + DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) + + /* 486 */ + DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) +ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) +ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) + DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) + + DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) + DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) + + /* pentium */ + DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) + + /* pentium pro */ + ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) + + DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + /* mmx */ + DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ + DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) +ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) + DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) + DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + +#undef ALT +#undef DEF_ASM_OP0 +#undef DEF_ASM_OP0L +#undef DEF_ASM_OP1 +#undef DEF_ASM_OP2 +#undef DEF_ASM_OP3 +//--------------------------------------------------------------------------- + + /* last operation */ + { 0, }, +}; + +static const uint16_t op0_codes[] = { +#define ALT(x) +#define DEF_ASM_OP0(x, opcode) opcode, +#define DEF_ASM_OP0L(name, opcode, group, instr_type) +#define DEF_ASM_OP1(name, opcode, group, instr_type, op0) +#define DEF_ASM_OP2(name, opcode, group, instr_type, op0, op1) +#define DEF_ASM_OP3(name, opcode, group, instr_type, op0, op1, op2) +// njn: inlined i386-asm.h +//#include "i386-asm.h" +//--------------------------------------------------------------------------- + DEF_ASM_OP0(pusha, 0x60) /* must be first OP0 */ + DEF_ASM_OP0(popa, 0x61) + DEF_ASM_OP0(clc, 0xf8) + DEF_ASM_OP0(cld, 0xfc) + DEF_ASM_OP0(cli, 0xfa) + DEF_ASM_OP0(clts, 0x0f06) + DEF_ASM_OP0(cmc, 0xf5) + DEF_ASM_OP0(lahf, 0x9f) + DEF_ASM_OP0(sahf, 0x9e) + DEF_ASM_OP0(pushfl, 0x9c) + DEF_ASM_OP0(popfl, 0x9d) + DEF_ASM_OP0(pushf, 0x9c) + DEF_ASM_OP0(popf, 0x9d) + DEF_ASM_OP0(stc, 0xf9) + DEF_ASM_OP0(std, 0xfd) + DEF_ASM_OP0(sti, 0xfb) + DEF_ASM_OP0(aaa, 0x37) + DEF_ASM_OP0(aas, 0x3f) + DEF_ASM_OP0(daa, 0x27) + DEF_ASM_OP0(das, 0x2f) + DEF_ASM_OP0(aad, 0xd50a) + DEF_ASM_OP0(aam, 0xd40a) + DEF_ASM_OP0(cbw, 0x6698) + DEF_ASM_OP0(cwd, 0x6699) + DEF_ASM_OP0(cwde, 0x98) + DEF_ASM_OP0(cdq, 0x99) + DEF_ASM_OP0(cbtw, 0x6698) + DEF_ASM_OP0(cwtl, 0x98) + DEF_ASM_OP0(cwtd, 0x6699) + DEF_ASM_OP0(cltd, 0x99) + DEF_ASM_OP0(int3, 0xcc) + DEF_ASM_OP0(into, 0xce) + DEF_ASM_OP0(iret, 0xcf) + DEF_ASM_OP0(rsm, 0x0faa) + DEF_ASM_OP0(hlt, 0xf4) + DEF_ASM_OP0(wait, 0x9b) + DEF_ASM_OP0(nop, 0x90) + DEF_ASM_OP0(xlat, 0xd7) + + /* strings */ +ALT(DEF_ASM_OP0L(cmpsb, 0xa6, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(scmpb, 0xa6, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(insb, 0x6c, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(outsb, 0x6e, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(lodsb, 0xac, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(slodb, 0xac, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(movsb, 0xa4, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(smovb, 0xa4, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(scasb, 0xae, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sscab, 0xae, 0, OPC_BWL)) + +ALT(DEF_ASM_OP0L(stosb, 0xaa, 0, OPC_BWL)) +ALT(DEF_ASM_OP0L(sstob, 0xaa, 0, OPC_BWL)) + + /* bits */ + +ALT(DEF_ASM_OP2(bsfw, 0x0fbc, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(bsrw, 0x0fbd, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA, OPT_REGW)) + +ALT(DEF_ASM_OP2(btw, 0x0fa3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btw, 0x0fba, 4, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btsw, 0x0fab, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btsw, 0x0fba, 5, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btrw, 0x0fb3, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btrw, 0x0fba, 6, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + +ALT(DEF_ASM_OP2(btcw, 0x0fbb, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP2(btcw, 0x0fba, 7, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW | OPT_EA)) + + /* prefixes */ + DEF_ASM_OP0(aword, 0x67) + DEF_ASM_OP0(addr16, 0x67) + DEF_ASM_OP0(word, 0x66) + DEF_ASM_OP0(data16, 0x66) + DEF_ASM_OP0(lock, 0xf0) + DEF_ASM_OP0(rep, 0xf3) + DEF_ASM_OP0(repe, 0xf3) + DEF_ASM_OP0(repz, 0xf3) + DEF_ASM_OP0(repne, 0xf2) + DEF_ASM_OP0(repnz, 0xf2) + + DEF_ASM_OP0(invd, 0x0f08) + DEF_ASM_OP0(wbinvd, 0x0f09) + DEF_ASM_OP0(cpuid, 0x0fa2) + DEF_ASM_OP0(wrmsr, 0x0f30) + DEF_ASM_OP0(rdtsc, 0x0f31) + DEF_ASM_OP0(rdmsr, 0x0f32) + DEF_ASM_OP0(rdpmc, 0x0f33) + DEF_ASM_OP0(ud2, 0x0f0b) + + /* NOTE: we took the same order as gas opcode definition order */ +ALT(DEF_ASM_OP2(movb, 0xa0, 0, OPC_BWL, OPT_ADDR, OPT_EAX)) +ALT(DEF_ASM_OP2(movb, 0xa2, 0, OPC_BWL, OPT_EAX, OPT_ADDR)) +ALT(DEF_ASM_OP2(movb, 0x88, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0x8a, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xb0, 0, OPC_REG | OPC_BWL, OPT_IM, OPT_REG)) +ALT(DEF_ASM_OP2(movb, 0xc6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(movw, 0x8c, 0, OPC_MODRM | OPC_WL, OPT_SEG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(movw, 0x8e, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_SEG)) + +ALT(DEF_ASM_OP2(movw, 0x0f20, 0, OPC_MODRM | OPC_WL, OPT_CR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f21, 0, OPC_MODRM | OPC_WL, OPT_DB, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f24, 0, OPC_MODRM | OPC_WL, OPT_TR, OPT_REG32)) +ALT(DEF_ASM_OP2(movw, 0x0f22, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_CR)) +ALT(DEF_ASM_OP2(movw, 0x0f23, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_DB)) +ALT(DEF_ASM_OP2(movw, 0x0f26, 0, OPC_MODRM | OPC_WL, OPT_REG32, OPT_TR)) + +ALT(DEF_ASM_OP2(movsbl, 0x0fbe, 0, OPC_MODRM, OPT_REG8 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movsbw, 0x0fbe, 0, OPC_MODRM | OPC_D16, OPT_REG8 | OPT_EA, OPT_REG16)) +ALT(DEF_ASM_OP2(movswl, 0x0fbf, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(movzbw, 0x0fb6, 0, OPC_MODRM | OPC_WL, OPT_REG8 | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(movzwl, 0x0fb7, 0, OPC_MODRM, OPT_REG16 | OPT_EA, OPT_REG32)) + +ALT(DEF_ASM_OP1(pushw, 0x50, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(pushw, 0xff, 6, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(pushw, 0x6a, 0, OPC_WL, OPT_IM8S)) +ALT(DEF_ASM_OP1(pushw, 0x68, 0, OPC_WL, OPT_IM32)) +ALT(DEF_ASM_OP1(pushw, 0x06, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP1(popw, 0x58, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(popw, 0x8f, 0, OPC_MODRM | OPC_WL, OPT_REGW | OPT_EA)) +ALT(DEF_ASM_OP1(popw, 0x07, 0, OPC_WL, OPT_SEG)) + +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_REG, OPT_EAX)) +ALT(DEF_ASM_OP2(xchgw, 0x90, 0, OPC_REG | OPC_WL, OPT_EAX, OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(xchgb, 0x86, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) + +ALT(DEF_ASM_OP2(inb, 0xe4, 0, OPC_BWL, OPT_IM8, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xe4, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(inb, 0xec, 0, OPC_BWL, OPT_DX, OPT_EAX)) +ALT(DEF_ASM_OP1(inb, 0xec, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(outb, 0xe6, 0, OPC_BWL, OPT_EAX, OPT_IM8)) +ALT(DEF_ASM_OP1(outb, 0xe6, 0, OPC_BWL, OPT_IM8)) +ALT(DEF_ASM_OP2(outb, 0xee, 0, OPC_BWL, OPT_EAX, OPT_DX)) +ALT(DEF_ASM_OP1(outb, 0xee, 0, OPC_BWL, OPT_DX)) + +ALT(DEF_ASM_OP2(leaw, 0x8d, 0, OPC_MODRM | OPC_WL, OPT_EA, OPT_REG)) + +ALT(DEF_ASM_OP2(les, 0xc4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lds, 0xc5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lss, 0x0fb2, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lfs, 0x0fb4, 0, OPC_MODRM, OPT_EA, OPT_REG32)) +ALT(DEF_ASM_OP2(lgs, 0x0fb5, 0, OPC_MODRM, OPT_EA, OPT_REG32)) + + /* arith */ +ALT(DEF_ASM_OP2(addb, 0x00, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) /* XXX: use D bit ? */ +ALT(DEF_ASM_OP2(addb, 0x02, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(addb, 0x04, 0, OPC_ARITH | OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(addb, 0x80, 0, OPC_ARITH | OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(addw, 0x83, 0, OPC_ARITH | OPC_MODRM | OPC_WL, OPT_IM8S, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_EA | OPT_REG, OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0x84, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(testb, 0xa8, 0, OPC_BWL, OPT_IM, OPT_EAX)) +ALT(DEF_ASM_OP2(testb, 0xf6, 0, OPC_MODRM | OPC_BWL, OPT_IM, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP1(incw, 0x40, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(incb, 0xfe, 0, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(decw, 0x48, 0, OPC_REG | OPC_WL, OPT_REGW)) +ALT(DEF_ASM_OP1(decb, 0xfe, 1, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(notb, 0xf6, 2, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(negb, 0xf6, 3, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP1(mulb, 0xf6, 4, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP1(imulb, 0xf6, 5, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) + +ALT(DEF_ASM_OP2(imulw, 0x0faf, 0, OPC_MODRM | OPC_WL, OPT_REG | OPT_EA, OPT_REG)) +ALT(DEF_ASM_OP3(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x6b, 0, OPC_MODRM | OPC_WL, OPT_IM8S, OPT_REGW)) +ALT(DEF_ASM_OP3(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW | OPT_EA, OPT_REGW)) +ALT(DEF_ASM_OP2(imulw, 0x69, 0, OPC_MODRM | OPC_WL, OPT_IMW, OPT_REGW)) + +ALT(DEF_ASM_OP1(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(divb, 0xf6, 6, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) +ALT(DEF_ASM_OP1(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA)) +ALT(DEF_ASM_OP2(idivb, 0xf6, 7, OPC_MODRM | OPC_BWL, OPT_REG | OPT_EA, OPT_EAX)) + + /* shifts */ +ALT(DEF_ASM_OP2(rolb, 0xc0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_IM8, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP2(rolb, 0xd2, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_CL, OPT_EA | OPT_REG)) +ALT(DEF_ASM_OP1(rolb, 0xd0, 0, OPC_MODRM | OPC_BWL | OPC_SHIFT, OPT_EA | OPT_REG)) + +ALT(DEF_ASM_OP3(shldw, 0x0fa4, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shldw, 0x0fa5, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fac, 0, OPC_MODRM | OPC_WL, OPT_IM8, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP3(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_CL, OPT_REGW, OPT_EA | OPT_REGW)) +ALT(DEF_ASM_OP2(shrdw, 0x0fad, 0, OPC_MODRM | OPC_WL, OPT_REGW, OPT_EA | OPT_REGW)) + +ALT(DEF_ASM_OP1(call, 0xff, 2, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(call, 0xe8, 0, OPC_JMP, OPT_ADDR)) +ALT(DEF_ASM_OP1(jmp, 0xff, 4, OPC_MODRM, OPT_INDIR)) +ALT(DEF_ASM_OP1(jmp, 0xeb, 0, OPC_SHORTJMP | OPC_JMP, OPT_ADDR)) + +ALT(DEF_ASM_OP2(lcall, 0x9a, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(lcall, 0xff, 3, 0, OPT_EA)) +ALT(DEF_ASM_OP2(ljmp, 0xea, 0, 0, OPT_IM16, OPT_IM32)) +ALT(DEF_ASM_OP1(ljmp, 0xff, 5, 0, OPT_EA)) + +ALT(DEF_ASM_OP1(int, 0xcd, 0, 0, OPT_IM8)) +ALT(DEF_ASM_OP1(seto, 0x0f90, 0, OPC_MODRM | OPC_TEST, OPT_REG8 | OPT_EA)) + DEF_ASM_OP2(enter, 0xc8, 0, 0, OPT_IM16, OPT_IM8) + DEF_ASM_OP0(leave, 0xc9) + DEF_ASM_OP0(ret, 0xc3) +ALT(DEF_ASM_OP1(ret, 0xc2, 0, 0, OPT_IM16)) + DEF_ASM_OP0(lret, 0xcb) +ALT(DEF_ASM_OP1(lret, 0xca, 0, 0, OPT_IM16)) + +ALT(DEF_ASM_OP1(jo, 0x70, 0, OPC_SHORTJMP | OPC_JMP | OPC_TEST, OPT_ADDR)) + DEF_ASM_OP1(loopne, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopnz, 0xe0, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loope, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loopz, 0xe1, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(loop, 0xe2, 0, OPC_SHORTJMP, OPT_ADDR) + DEF_ASM_OP1(jecxz, 0xe3, 0, OPC_SHORTJMP, OPT_ADDR) + + /* float */ + /* specific fcomp handling */ +ALT(DEF_ASM_OP0L(fcomp, 0xd8d9, 0, 0)) + +ALT(DEF_ASM_OP1(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(fadd, 0xd8c0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP0L(fadd, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST, OPT_ST0)) +ALT(DEF_ASM_OP2(faddp, 0xdec0, 0, OPC_FARITH | OPC_REG, OPT_ST0, OPT_ST)) +ALT(DEF_ASM_OP0L(faddp, 0xdec1, 0, OPC_FARITH)) +ALT(DEF_ASM_OP1(fadds, 0xd8, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiaddl, 0xda, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(faddl, 0xdc, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) +ALT(DEF_ASM_OP1(fiadds, 0xde, 0, OPC_FARITH | OPC_MODRM, OPT_EA)) + + DEF_ASM_OP0(fucompp, 0xdae9) + DEF_ASM_OP0(ftst, 0xd9e4) + DEF_ASM_OP0(fxam, 0xd9e5) + DEF_ASM_OP0(fld1, 0xd9e8) + DEF_ASM_OP0(fldl2t, 0xd9e9) + DEF_ASM_OP0(fldl2e, 0xd9ea) + DEF_ASM_OP0(fldpi, 0xd9eb) + DEF_ASM_OP0(fldlg2, 0xd9ec) + DEF_ASM_OP0(fldln2, 0xd9ed) + DEF_ASM_OP0(fldz, 0xd9ee) + + DEF_ASM_OP0(f2xm1, 0xd9f0) + DEF_ASM_OP0(fyl2x, 0xd9f1) + DEF_ASM_OP0(fptan, 0xd9f2) + DEF_ASM_OP0(fpatan, 0xd9f3) + DEF_ASM_OP0(fxtract, 0xd9f4) + DEF_ASM_OP0(fprem1, 0xd9f5) + DEF_ASM_OP0(fdecstp, 0xd9f6) + DEF_ASM_OP0(fincstp, 0xd9f7) + DEF_ASM_OP0(fprem, 0xd9f8) + DEF_ASM_OP0(fyl2xp1, 0xd9f9) + DEF_ASM_OP0(fsqrt, 0xd9fa) + DEF_ASM_OP0(fsincos, 0xd9fb) + DEF_ASM_OP0(frndint, 0xd9fc) + DEF_ASM_OP0(fscale, 0xd9fd) + DEF_ASM_OP0(fsin, 0xd9fe) + DEF_ASM_OP0(fcos, 0xd9ff) + DEF_ASM_OP0(fchs, 0xd9e0) + DEF_ASM_OP0(fabs, 0xd9e1) + DEF_ASM_OP0(fninit, 0xdbe3) + DEF_ASM_OP0(fnclex, 0xdbe2) + DEF_ASM_OP0(fnop, 0xd9d0) + DEF_ASM_OP0(fwait, 0x9b) + + /* fp load */ + DEF_ASM_OP1(fld, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fldl, 0xd9c0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(flds, 0xd9, 0, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fldl, 0xdd, 0, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fildl, 0xdb, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildq, 0xdf, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fildll, 0xdf, 5, OPC_MODRM,OPT_EA) + DEF_ASM_OP1(fldt, 0xdb, 5, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbld, 0xdf, 4, OPC_MODRM, OPT_EA) + + /* fp store */ + DEF_ASM_OP1(fst, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fstl, 0xddd0, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fsts, 0xd9, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstps, 0xd9, 3, OPC_MODRM, OPT_EA) +ALT(DEF_ASM_OP1(fstl, 0xdd, 2, OPC_MODRM, OPT_EA)) + DEF_ASM_OP1(fstpl, 0xdd, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fist, 0xdf, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistp, 0xdf, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistl, 0xdb, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpl, 0xdb, 3, OPC_MODRM, OPT_EA) + + DEF_ASM_OP1(fstp, 0xddd8, 0, OPC_REG, OPT_ST) + DEF_ASM_OP1(fistpq, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fistpll, 0xdf, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fstpt, 0xdb, 7, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(fbstp, 0xdf, 6, OPC_MODRM, OPT_EA) + + /* exchange */ + DEF_ASM_OP0(fxch, 0xd9c9) +ALT(DEF_ASM_OP1(fxch, 0xd9c8, 0, OPC_REG, OPT_ST)) + + /* misc FPU */ + DEF_ASM_OP1(fucom, 0xdde0, 0, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fucomp, 0xdde8, 0, OPC_REG, OPT_ST ) + + DEF_ASM_OP0L(finit, 0xdbe3, 0, OPC_FWAIT) + DEF_ASM_OP1(fldcw, 0xd9, 5, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnstcw, 0xd9, 7, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstcw, 0xd9, 7, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP0(fnstsw, 0xdfe0) +ALT(DEF_ASM_OP1(fnstsw, 0xdfe0, 0, 0, OPT_EAX )) +ALT(DEF_ASM_OP1(fnstsw, 0xdd, 7, OPC_MODRM, OPT_EA )) + DEF_ASM_OP1(fstsw, 0xdfe0, 0, OPC_FWAIT, OPT_EAX ) +ALT(DEF_ASM_OP0L(fstsw, 0xdfe0, 0, OPC_FWAIT)) +ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) + DEF_ASM_OP0L(fclex, 0xdbe2, 0, OPC_FWAIT) + DEF_ASM_OP1(fnstenv, 0xd9, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fstenv, 0xd9, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(fldenv, 0xd9, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fnsave, 0xdd, 6, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fsave, 0xdd, 6, OPC_MODRM | OPC_FWAIT, OPT_EA ) + DEF_ASM_OP1(frstor, 0xdd, 4, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(ffree, 0xddc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) + DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + + /* segments */ + DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) + DEF_ASM_OP2(lar, 0x0f02, 0, OPC_MODRM, OPT_REG32 | OPT_EA, OPT_REG32) + DEF_ASM_OP1(lgdt, 0x0f01, 2, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lidt, 0x0f01, 3, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(lldt, 0x0f00, 2, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(lmsw, 0x0f01, 6, OPC_MODRM, OPT_EA | OPT_REG) +ALT(DEF_ASM_OP2(lslw, 0x0f03, 0, OPC_MODRM | OPC_WL, OPT_EA | OPT_REG, OPT_REG)) + DEF_ASM_OP1(ltr, 0x0f00, 3, OPC_MODRM, OPT_EA | OPT_REG) + DEF_ASM_OP1(sgdt, 0x0f01, 0, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sidt, 0x0f01, 1, OPC_MODRM, OPT_EA) + DEF_ASM_OP1(sldt, 0x0f00, 0, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(smsw, 0x0f01, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(str, 0x0f00, 1, OPC_MODRM, OPT_REG16| OPT_EA) + DEF_ASM_OP1(verr, 0x0f00, 4, OPC_MODRM, OPT_REG | OPT_EA) + DEF_ASM_OP1(verw, 0x0f00, 5, OPC_MODRM, OPT_REG | OPT_EA) + + /* 486 */ + DEF_ASM_OP1(bswap, 0x0fc8, 0, OPC_REG, OPT_REG32 ) +ALT(DEF_ASM_OP2(xaddb, 0x0fc0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) +ALT(DEF_ASM_OP2(cmpxchgb, 0x0fb0, 0, OPC_MODRM | OPC_BWL, OPT_REG, OPT_REG | OPT_EA )) + DEF_ASM_OP1(invlpg, 0x0f01, 7, OPC_MODRM, OPT_EA ) + + DEF_ASM_OP2(boundl, 0x62, 0, OPC_MODRM, OPT_REG32, OPT_EA) + DEF_ASM_OP2(boundw, 0x62, 0, OPC_MODRM | OPC_D16, OPT_REG16, OPT_EA) + + /* pentium */ + DEF_ASM_OP1(cmpxchg8b, 0x0fc7, 1, OPC_MODRM, OPT_EA ) + + /* pentium pro */ + ALT(DEF_ASM_OP2(cmovo, 0x0f40, 0, OPC_MODRM | OPC_TEST, OPT_REG32 | OPT_EA, OPT_REG32)) + + DEF_ASM_OP2(fcmovb, 0xdac0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmove, 0xdac8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovbe, 0xdad0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovu, 0xdad8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnb, 0xdbc0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovne, 0xdbc8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnbe, 0xdbd0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcmovnu, 0xdbd8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + DEF_ASM_OP2(fucomi, 0xdbe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomi, 0xdbf0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fucomip, 0xdfe8, 0, OPC_REG, OPT_ST, OPT_ST0 ) + DEF_ASM_OP2(fcomip, 0xdff0, 0, OPC_REG, OPT_ST, OPT_ST0 ) + + /* mmx */ + DEF_ASM_OP0(emms, 0x0f77) /* must be last OP0 */ + DEF_ASM_OP2(movd, 0x0f6e, 0, OPC_MODRM, OPT_EA | OPT_REG32, OPT_MMX ) +ALT(DEF_ASM_OP2(movd, 0x0f7e, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_REG32 )) + DEF_ASM_OP2(movq, 0x0f6f, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(movq, 0x0f7f, 0, OPC_MODRM, OPT_MMX, OPT_EA | OPT_MMX )) + DEF_ASM_OP2(packssdw, 0x0f6b, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packsswb, 0x0f63, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(packuswb, 0x0f67, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddb, 0x0ffc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddw, 0x0ffd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddd, 0x0ffe, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsb, 0x0fec, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddsw, 0x0fed, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusb, 0x0fdc, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(paddusw, 0x0fdd, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pand, 0x0fdb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pandn, 0x0fdf, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqb, 0x0f74, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqw, 0x0f75, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpeqd, 0x0f76, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtb, 0x0f64, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtw, 0x0f65, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pcmpgtd, 0x0f66, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmaddwd, 0x0ff5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmulhw, 0x0fe5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pmullw, 0x0fd5, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(por, 0x0feb, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psllw, 0x0ff1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllw, 0x0f71, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(pslld, 0x0ff2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(pslld, 0x0f72, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psllq, 0x0ff3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psllq, 0x0f73, 6, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psraw, 0x0fe1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psraw, 0x0f71, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrad, 0x0fe2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrad, 0x0f72, 4, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlw, 0x0fd1, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlw, 0x0f71, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrld, 0x0fd2, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrld, 0x0f72, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psrlq, 0x0fd3, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) +ALT(DEF_ASM_OP2(psrlq, 0x0f73, 2, OPC_MODRM, OPT_IM8, OPT_MMX )) + DEF_ASM_OP2(psubb, 0x0ff8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubw, 0x0ff9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubd, 0x0ffa, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsb, 0x0fe8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubsw, 0x0fe9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusb, 0x0fd8, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(psubusw, 0x0fd9, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhbw, 0x0f68, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhwd, 0x0f69, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckhdq, 0x0f6a, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklbw, 0x0f60, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpcklwd, 0x0f61, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(punpckldq, 0x0f62, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + DEF_ASM_OP2(pxor, 0x0fef, 0, OPC_MODRM, OPT_EA | OPT_MMX, OPT_MMX ) + +#undef ALT +#undef DEF_ASM_OP0 +#undef DEF_ASM_OP0L +#undef DEF_ASM_OP1 +#undef DEF_ASM_OP2 +#undef DEF_ASM_OP3 +//--------------------------------------------------------------------------- +}; + +static inline int get_reg_shift(TCCState *s1) +{ + int shift, v; + + v = asm_int_expr(s1); + switch(v) { + case 1: + shift = 0; + break; + case 2: + shift = 1; + break; + case 4: + shift = 2; + break; + case 8: + shift = 3; + break; + default: + expect("1, 2, 4 or 8 constant"); + shift = 0; + break; + } + return shift; +} + +static int asm_parse_reg(void) +{ + int reg; + if (tok != '%') + goto error_32; + next(); + if (tok >= TOK_ASM_eax && tok <= TOK_ASM_edi) { + reg = tok - TOK_ASM_eax; + next(); + return reg; + } else { + error_32: + expect("32 bit register"); + return 0; + } +} + +static void parse_operand(TCCState *s1, Operand *op) +{ + ExprValue e; + int reg, indir; + const char *p; + + indir = 0; + if (tok == '*') { + next(); + indir = OP_INDIR; + } + + if (tok == '%') { + next(); + if (tok >= TOK_ASM_al && tok <= TOK_ASM_db7) { + reg = tok - TOK_ASM_al; + op->type = 1 << (reg >> 3); /* WARNING: do not change constant order */ + op->reg = reg & 7; + if ((op->type & OP_REG) && op->reg == TREG_EAX) + op->type |= OP_EAX; + else if (op->type == OP_REG8 && op->reg == TREG_ECX) + op->type |= OP_CL; + else if (op->type == OP_REG16 && op->reg == TREG_EDX) + op->type |= OP_DX; + } else if (tok >= TOK_ASM_dr0 && tok <= TOK_ASM_dr7) { + op->type = OP_DB; + op->reg = tok - TOK_ASM_dr0; + } else if (tok >= TOK_ASM_es && tok <= TOK_ASM_gs) { + op->type = OP_SEG; + op->reg = tok - TOK_ASM_es; + } else if (tok == TOK_ASM_st) { + op->type = OP_ST; + op->reg = 0; + next(); + if (tok == '(') { + next(); + if (tok != TOK_PPNUM) + goto reg_error; + p = tokc.cstr->data; + reg = p[0] - '0'; + if ((unsigned)reg >= 8 || p[1] != '\0') + goto reg_error; + op->reg = reg; + next(); + skip(')'); + } + if (op->reg == 0) + op->type |= OP_ST0; + goto no_skip; + } else { + reg_error: + error("unknown register"); + } + next(); + no_skip: ; + } else if (tok == '$') { + /* constant value */ + next(); + asm_expr(s1, &e); + op->type = OP_IM32; + op->e.v = e.v; + op->e.sym = e.sym; + if (!op->e.sym) { + if (op->e.v == (uint8_t)op->e.v) + op->type |= OP_IM8; + if (op->e.v == (int8_t)op->e.v) + op->type |= OP_IM8S; + if (op->e.v == (uint16_t)op->e.v) + op->type |= OP_IM16; + } + } else { + /* address(reg,reg2,shift) with all variants */ + op->type = OP_EA; + op->reg = -1; + op->reg2 = -1; + op->shift = 0; + if (tok != '(') { + asm_expr(s1, &e); + op->e.v = e.v; + op->e.sym = e.sym; + } else { + op->e.v = 0; + op->e.sym = NULL; + } + if (tok == '(') { + next(); + if (tok != ',') { + op->reg = asm_parse_reg(); + } + if (tok == ',') { + next(); + if (tok != ',') { + op->reg2 = asm_parse_reg(); + } + skip(','); + op->shift = get_reg_shift(s1); + } + skip(')'); + } + if (op->reg == -1 && op->reg2 == -1) + op->type |= OP_ADDR; + } + op->type |= indir; +} + +/* XXX: unify with C code output ? */ +static void gen_expr32(ExprValue *pe) +{ + if (pe->sym) + greloc(cur_text_section, pe->sym, ind, R_386_32); + gen_le32(pe->v); +} + +/* XXX: unify with C code output ? */ +static void gen_disp32(ExprValue *pe) +{ + Sym *sym; + sym = pe->sym; + if (sym) { + if (sym->r == cur_text_section->sh_num) { + /* same section: we can output an absolute value. Note + that the TCC compiler behaves differently here because + it always outputs a relocation to ease (future) code + elimination in the linker */ + gen_le32(pe->v + (long)sym->next - ind - 4); + } else { + greloc(cur_text_section, sym, ind, R_386_PC32); + gen_le32(pe->v - 4); + } + } else { + /* put an empty PC32 relocation */ + put_elf_reloc(symtab_section, cur_text_section, + ind, R_386_PC32, 0); + gen_le32(pe->v - 4); + } +} + + +static void gen_le16(int v) +{ + g(v); + g(v >> 8); +} + +/* generate the modrm operand */ +static inline void asm_modrm(int reg, Operand *op) +{ + int mod, reg1, reg2, sib_reg1; + + if (op->type & (OP_REG | OP_MMX | OP_SSE)) { + g(0xc0 + (reg << 3) + op->reg); + } else if (op->reg == -1 && op->reg2 == -1) { + /* displacement only */ + g(0x05 + (reg << 3)); + gen_expr32(&op->e); + } else { + sib_reg1 = op->reg; + /* fist compute displacement encoding */ + if (sib_reg1 == -1) { + sib_reg1 = 5; + mod = 0x00; + } else if (op->e.v == 0 && !op->e.sym && op->reg != 5) { + mod = 0x00; + } else if (op->e.v == (int8_t)op->e.v && !op->e.sym) { + mod = 0x40; + } else { + mod = 0x80; + } + /* compute if sib byte needed */ + reg1 = op->reg; + if (op->reg2 != -1) + reg1 = 4; + g(mod + (reg << 3) + reg1); + if (reg1 == 4) { + /* add sib byte */ + reg2 = op->reg2; + if (reg2 == -1) + reg2 = 4; /* indicate no index */ + g((op->shift << 6) + (reg2 << 3) + sib_reg1); + } + + /* add offset */ + if (mod == 0x40) { + g(op->e.v); + } else if (mod == 0x80 || op->reg == -1) { + gen_expr32(&op->e); + } + } +} + +static void asm_opcode(TCCState *s1, int opcode) +{ + const ASMInstr *pa; + int i, modrm_index, reg, v, op1, is_short_jmp; + int nb_ops, s, ss; + Operand ops[MAX_OPERANDS], *pop; + int op_type[3]; /* decoded op type */ + + /* get operands */ + pop = ops; + nb_ops = 0; + for(;;) { + if (tok == ';' || tok == TOK_LINEFEED) + break; + if (nb_ops >= MAX_OPERANDS) { + error("incorrect number of operands"); + } + parse_operand(s1, pop); + pop++; + nb_ops++; + if (tok != ',') + break; + next(); + } + + is_short_jmp = 0; + s = 0; /* avoid warning */ + + /* optimize matching by using a lookup table (no hashing is needed + !) */ + for(pa = asm_instrs; pa->sym != 0; pa++) { + s = 0; + if (pa->instr_type & OPC_FARITH) { + v = opcode - pa->sym; + if (!((unsigned)v < 8 * 6 && (v % 6) == 0)) + continue; + } else if (pa->instr_type & OPC_ARITH) { + if (!(opcode >= pa->sym && opcode < pa->sym + 8 * 4)) + continue; + goto compute_size; + } else if (pa->instr_type & OPC_SHIFT) { + if (!(opcode >= pa->sym && opcode < pa->sym + 7 * 4)) + continue; + goto compute_size; + } else if (pa->instr_type & OPC_TEST) { + if (!(opcode >= pa->sym && opcode < pa->sym + NB_TEST_OPCODES)) + continue; + } else if (pa->instr_type & OPC_B) { + if (!(opcode >= pa->sym && opcode <= pa->sym + 3)) + continue; + compute_size: + s = (opcode - pa->sym) & 3; + } else if (pa->instr_type & OPC_WL) { + if (!(opcode >= pa->sym && opcode <= pa->sym + 2)) + continue; + s = opcode - pa->sym + 1; + } else { + if (pa->sym != opcode) + continue; + } + if (pa->nb_ops != nb_ops) + continue; + /* now decode and check each operand */ + for(i = 0; i < nb_ops; i++) { + int op1, op2; + op1 = pa->op_type[i]; + op2 = op1 & 0x1f; + switch(op2) { + case OPT_IM: + v = OP_IM8 | OP_IM16 | OP_IM32; + break; + case OPT_REG: + v = OP_REG8 | OP_REG16 | OP_REG32; + break; + case OPT_REGW: + v = OP_REG16 | OP_REG32; + break; + case OPT_IMW: + v = OP_IM16 | OP_IM32; + break; + default: + v = 1 << op2; + break; + } + if (op1 & OPT_EA) + v |= OP_EA; + op_type[i] = v; + if ((ops[i].type & v) == 0) + goto next; + } + /* all is matching ! */ + break; + next: ; + } + if (pa->sym == 0) { + if (opcode >= TOK_ASM_pusha && opcode <= TOK_ASM_emms) { + int b; + b = op0_codes[opcode - TOK_ASM_pusha]; + if (b & 0xff00) + g(b >> 8); + g(b); + return; + } else { + error("unknown opcode '%s'", + get_tok_str(opcode, NULL)); + } + } + /* if the size is unknown, then evaluate it (OPC_B or OPC_WL case) */ + if (s == 3) { + for(i = 0; s == 3 && i < nb_ops; i++) { + if ((ops[i].type & OP_REG) && !(op_type[i] & (OP_CL | OP_DX))) + s = reg_to_size[ops[i].type & OP_REG]; + } + if (s == 3) { + if ((opcode == TOK_ASM_push || opcode == TOK_ASM_pop) && + (ops[0].type & (OP_SEG | OP_IM8S | OP_IM32))) + s = 2; + else + error("cannot infer opcode suffix"); + } + } + + /* generate data16 prefix if needed */ + ss = s; + if (s == 1 || (pa->instr_type & OPC_D16)) + g(WORD_PREFIX_OPCODE); + else if (s == 2) + s = 1; + /* now generates the operation */ + if (pa->instr_type & OPC_FWAIT) + g(0x9b); + + v = pa->opcode; + if (v == 0x69 || v == 0x69) { + /* kludge for imul $im, %reg */ + nb_ops = 3; + ops[2] = ops[1]; + } else if (v == 0xcd && ops[0].e.v == 3 && !ops[0].e.sym) { + v--; /* int $3 case */ + nb_ops = 0; + } else if ((v == 0x06 || v == 0x07)) { + if (ops[0].reg >= 4) { + /* push/pop %fs or %gs */ + v = 0x0fa0 + (v - 0x06) + ((ops[0].reg - 4) << 3); + } else { + v += ops[0].reg << 3; + } + nb_ops = 0; + } else if (v <= 0x05) { + /* arith case */ + v += ((opcode - TOK_ASM_addb) >> 2) << 3; + } else if ((pa->instr_type & (OPC_FARITH | OPC_MODRM)) == OPC_FARITH) { + /* fpu arith case */ + v += ((opcode - pa->sym) / 6) << 3; + } + if (pa->instr_type & OPC_REG) { + for(i = 0; i < nb_ops; i++) { + if (op_type[i] & (OP_REG | OP_ST)) { + v += ops[i].reg; + break; + } + } + /* mov $im, %reg case */ + if (pa->opcode == 0xb0 && s >= 1) + v += 7; + } + if (pa->instr_type & OPC_B) + v += s; + if (pa->instr_type & OPC_TEST) + v += test_bits[opcode - pa->sym]; + if (pa->instr_type & OPC_SHORTJMP) { + Sym *sym; + int jmp_disp; + + /* see if we can really generate the jump with a byte offset */ + sym = ops[0].e.sym; + if (!sym) + goto no_short_jump; + if (sym->r != cur_text_section->sh_num) + goto no_short_jump; + jmp_disp = ops[0].e.v + (long)sym->next - ind - 2; + if (jmp_disp == (int8_t)jmp_disp) { + /* OK to generate jump */ + is_short_jmp = 1; + ops[0].e.v = jmp_disp; + } else { + no_short_jump: + if (pa->instr_type & OPC_JMP) { + /* long jump will be allowed. need to modify the + opcode slightly */ + if (v == 0xeb) + v = 0xe9; + else + v += 0x0f10; + } else { + error("invalid displacement"); + } + } + } + op1 = v >> 8; + if (op1) + g(op1); + g(v); + + /* search which operand will used for modrm */ + modrm_index = 0; + if (pa->instr_type & OPC_SHIFT) { + reg = (opcode - pa->sym) >> 2; + if (reg == 6) + reg = 7; + } else if (pa->instr_type & OPC_ARITH) { + reg = (opcode - pa->sym) >> 2; + } else if (pa->instr_type & OPC_FARITH) { + reg = (opcode - pa->sym) / 6; + } else { + reg = (pa->instr_type >> OPC_GROUP_SHIFT) & 7; + } + if (pa->instr_type & OPC_MODRM) { + /* first look for an ea operand */ + for(i = 0;i < nb_ops; i++) { + if (op_type[i] & OP_EA) + goto modrm_found; + } + /* then if not found, a register or indirection (shift instructions) */ + for(i = 0;i < nb_ops; i++) { + if (op_type[i] & (OP_REG | OP_MMX | OP_SSE | OP_INDIR)) + goto modrm_found; + } +#ifdef ASM_DEBUG + error("bad op table"); +#endif + modrm_found: + modrm_index = i; + /* if a register is used in another operand then it is + used instead of group */ + for(i = 0;i < nb_ops; i++) { + v = op_type[i]; + if (i != modrm_index && + (v & (OP_REG | OP_MMX | OP_SSE | OP_CR | OP_TR | OP_DB | OP_SEG))) { + reg = ops[i].reg; + break; + } + } + + asm_modrm(reg, &ops[modrm_index]); + } + + /* emit constants */ + if (pa->opcode == 0x9a || pa->opcode == 0xea) { + /* ljmp or lcall kludge */ + gen_expr32(&ops[1].e); + if (ops[0].e.sym) + error("cannot relocate"); + gen_le16(ops[0].e.v); + } else { + for(i = 0;i < nb_ops; i++) { + v = op_type[i]; + if (v & (OP_IM8 | OP_IM16 | OP_IM32 | OP_IM8S | OP_ADDR)) { + /* if multiple sizes are given it means we must look + at the op size */ + if (v == (OP_IM8 | OP_IM16 | OP_IM32) || + v == (OP_IM16 | OP_IM32)) { + if (ss == 0) + v = OP_IM8; + else if (ss == 1) + v = OP_IM16; + else + v = OP_IM32; + } + if (v & (OP_IM8 | OP_IM8S)) { + if (ops[i].e.sym) + goto error_relocate; + g(ops[i].e.v); + } else if (v & OP_IM16) { + if (ops[i].e.sym) { + error_relocate: + error("cannot relocate"); + } + gen_le16(ops[i].e.v); + } else { + if (pa->instr_type & (OPC_JMP | OPC_SHORTJMP)) { + if (is_short_jmp) + g(ops[i].e.v); + else + gen_disp32(&ops[i].e); + } else { + gen_expr32(&ops[i].e); + } + } + } + } + } +} + +#define NB_SAVED_REGS 3 +#define NB_ASM_REGS 8 + +/* return the constraint priority (we allocate first the lowest + numbered constraints) */ +static inline int constraint_priority(const char *str) +{ + int priority, c, pr; + + /* we take the lowest priority */ + priority = 0; + for(;;) { + c = *str; + if (c == '\0') + break; + str++; + switch(c) { + case 'A': + pr = 0; + break; + case 'a': + case 'b': + case 'c': + case 'd': + case 'S': + case 'D': + pr = 1; + break; + case 'q': + pr = 2; + break; + case 'r': + pr = 3; + break; + case 'N': + case 'M': + case 'I': + case 'i': + case 'm': + case 'g': + pr = 4; + break; + default: + error("unknown constraint '%c'", c); + pr = 0; + } + if (pr > priority) + priority = pr; + } + return priority; +} + +static const char *skip_constraint_modifiers(const char *p) +{ + while (*p == '=' || *p == '&' || *p == '+' || *p == '%') + p++; + return p; +} + +#define REG_OUT_MASK 0x01 +#define REG_IN_MASK 0x02 + +#define is_reg_allocated(reg) (regs_allocated[reg] & reg_mask) + +static void asm_compute_constraints(ASMOperand *operands, + int nb_operands, int nb_outputs, + const uint8_t *clobber_regs, + int *pout_reg) +{ + ASMOperand *op; + int sorted_op[MAX_ASM_OPERANDS]; + int i, j, k, p1, p2, tmp, reg, c, reg_mask; + const char *str; + uint8_t regs_allocated[NB_ASM_REGS]; + + /* init fields */ + for(i=0;i<nb_operands;i++) { + op = &operands[i]; + op->input_index = -1; + op->ref_index = -1; + op->reg = -1; + op->is_memory = 0; + op->is_rw = 0; + } + /* compute constraint priority and evaluate references to output + constraints if input constraints */ + for(i=0;i<nb_operands;i++) { + op = &operands[i]; + str = op->constraint; + str = skip_constraint_modifiers(str); + if (isnum(*str) || *str == '[') { + /* this is a reference to another constraint */ + k = find_constraint(operands, nb_operands, str, NULL); + if ((unsigned)k >= i || i < nb_outputs) + error("invalid reference in constraint %d ('%s')", + i, str); + op->ref_index = k; + if (operands[k].input_index >= 0) + error("cannot reference twice the same operand"); + operands[k].input_index = i; + op->priority = 5; + } else { + op->priority = constraint_priority(str); + } + } + + /* sort operands according to their priority */ + for(i=0;i<nb_operands;i++) + sorted_op[i] = i; + for(i=0;i<nb_operands - 1;i++) { + for(j=i+1;j<nb_operands;j++) { + p1 = operands[sorted_op[i]].priority; + p2 = operands[sorted_op[j]].priority; + if (p2 < p1) { + tmp = sorted_op[i]; + sorted_op[i] = sorted_op[j]; + sorted_op[j] = tmp; + } + } + } + + for(i = 0;i < NB_ASM_REGS; i++) { + if (clobber_regs[i]) + regs_allocated[i] = REG_IN_MASK | REG_OUT_MASK; + else + regs_allocated[i] = 0; + } + /* esp cannot be used */ + regs_allocated[4] = REG_IN_MASK | REG_OUT_MASK; + /* ebp cannot be used yet */ + regs_allocated[5] = REG_IN_MASK | REG_OUT_MASK; + + /* allocate registers and generate corresponding asm moves */ + for(i=0;i<nb_operands;i++) { + j = sorted_op[i]; + op = &operands[j]; + str = op->constraint; + /* no need to allocate references */ + if (op->ref_index >= 0) + continue; + /* select if register is used for output, input or both */ + if (op->input_index >= 0) { + reg_mask = REG_IN_MASK | REG_OUT_MASK; + } else if (j < nb_outputs) { + reg_mask = REG_OUT_MASK; + } else { + reg_mask = REG_IN_MASK; + } + try_next: + c = *str++; + switch(c) { + case '=': + goto try_next; + case '+': + op->is_rw = 1; + /* FALL THRU */ + case '&': + if (j >= nb_outputs) + error("'%c' modifier can only be applied to outputs", c); + reg_mask = REG_IN_MASK | REG_OUT_MASK; + goto try_next; + case 'A': + /* allocate both eax and edx */ + if (is_reg_allocated(TREG_EAX) || + is_reg_allocated(TREG_EDX)) + goto try_next; + op->is_llong = 1; + op->reg = TREG_EAX; + regs_allocated[TREG_EAX] |= reg_mask; + regs_allocated[TREG_EDX] |= reg_mask; + break; + case 'a': + reg = TREG_EAX; + goto alloc_reg; + case 'b': + reg = 3; + goto alloc_reg; + case 'c': + reg = TREG_ECX; + goto alloc_reg; + case 'd': + reg = TREG_EDX; + goto alloc_reg; + case 'S': + reg = 6; + goto alloc_reg; + case 'D': + reg = 7; + alloc_reg: + if (is_reg_allocated(reg)) + goto try_next; + goto reg_found; + case 'q': + /* eax, ebx, ecx or edx */ + for(reg = 0; reg < 4; reg++) { + if (!is_reg_allocated(reg)) + goto reg_found; + } + goto try_next; + case 'r': + /* any general register */ + for(reg = 0; reg < 8; reg++) { + if (!is_reg_allocated(reg)) + goto reg_found; + } + goto try_next; + reg_found: + /* now we can reload in the register */ + op->is_llong = 0; + op->reg = reg; + regs_allocated[reg] |= reg_mask; + break; + case 'i': + if (!((op->vt->r & (VT_VALMASK | VT_LVAL)) == VT_CONST)) + goto try_next; + break; + case 'I': + case 'N': + case 'M': + if (!((op->vt->r & (VT_VALMASK | VT_LVAL | VT_SYM)) == VT_CONST)) + goto try_next; + break; + case 'm': + case 'g': + /* nothing special to do because the operand is already in + memory, except if the pointer itself is stored in a + memory variable (VT_LLOCAL case) */ + /* XXX: fix constant case */ + /* if it is a reference to a memory zone, it must lie + in a register, so we reserve the register in the + input registers and a load will be generated + later */ + if (j < nb_outputs || c == 'm') { + if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) { + /* any general register */ + for(reg = 0; reg < 8; reg++) { + if (!(regs_allocated[reg] & REG_IN_MASK)) + goto reg_found1; + } + goto try_next; + reg_found1: + /* now we can reload in the register */ + regs_allocated[reg] |= REG_IN_MASK; + op->reg = reg; + op->is_memory = 1; + } + } + break; + default: + error("asm constraint %d ('%s') could not be satisfied", + j, op->constraint); + break; + } + /* if a reference is present for that operand, we assign it too */ + if (op->input_index >= 0) { + operands[op->input_index].reg = op->reg; + operands[op->input_index].is_llong = op->is_llong; + } + } + + /* compute out_reg. It is used to store outputs registers to memory + locations references by pointers (VT_LLOCAL case) */ + *pout_reg = -1; + for(i=0;i<nb_operands;i++) { + op = &operands[i]; + if (op->reg >= 0 && + (op->vt->r & VT_VALMASK) == VT_LLOCAL && + !op->is_memory) { + for(reg = 0; reg < 8; reg++) { + if (!(regs_allocated[reg] & REG_OUT_MASK)) + goto reg_found2; + } + error("could not find free output register for reloading"); + reg_found2: + *pout_reg = reg; + break; + } + } + + /* print sorted constraints */ +#ifdef ASM_DEBUG + for(i=0;i<nb_operands;i++) { + j = sorted_op[i]; + op = &operands[j]; + printf("%%%d [%s]: \"%s\" r=0x%04x reg=%d\n", + j, + op->id ? get_tok_str(op->id, NULL) : "", + op->constraint, + op->vt->r, + op->reg); + } + if (*pout_reg >= 0) + printf("out_reg=%d\n", *pout_reg); +#endif +} + +static void subst_asm_operand(CString *add_str, + SValue *sv, int modifier) +{ + int r, reg, size, val; + char buf[64]; + + r = sv->r; + if ((r & VT_VALMASK) == VT_CONST) { + if (!(r & VT_LVAL) && modifier != 'c' && modifier != 'n') + cstr_ccat(add_str, '$'); + if (r & VT_SYM) { + cstr_cat(add_str, get_tok_str(sv->sym->v, NULL)); + if (sv->c.i != 0) { + cstr_ccat(add_str, '+'); + } else { + return; + } + } + val = sv->c.i; + if (modifier == 'n') + val = -val; + snprintf(buf, sizeof(buf), "%d", sv->c.i); + cstr_cat(add_str, buf); + } else if ((r & VT_VALMASK) == VT_LOCAL) { + snprintf(buf, sizeof(buf), "%d(%%ebp)", sv->c.i); + cstr_cat(add_str, buf); + } else if (r & VT_LVAL) { + reg = r & VT_VALMASK; + if (reg >= VT_CONST) + error("internal compiler error"); + snprintf(buf, sizeof(buf), "(%%%s)", + get_tok_str(TOK_ASM_eax + reg, NULL)); + cstr_cat(add_str, buf); + } else { + /* register case */ + reg = r & VT_VALMASK; + if (reg >= VT_CONST) + error("internal compiler error"); + + /* choose register operand size */ + if ((sv->type.t & VT_BTYPE) == VT_BYTE) + size = 1; + else if ((sv->type.t & VT_BTYPE) == VT_SHORT) + size = 2; + else + size = 4; + if (size == 1 && reg >= 4) + size = 4; + + if (modifier == 'b') { + if (reg >= 4) + error("cannot use byte register"); + size = 1; + } else if (modifier == 'h') { + if (reg >= 4) + error("cannot use byte register"); + size = -1; + } else if (modifier == 'w') { + size = 2; + } + + switch(size) { + case -1: + reg = TOK_ASM_ah + reg; + break; + case 1: + reg = TOK_ASM_al + reg; + break; + case 2: + reg = TOK_ASM_ax + reg; + break; + default: + reg = TOK_ASM_eax + reg; + break; + } + snprintf(buf, sizeof(buf), "%%%s", get_tok_str(reg, NULL)); + cstr_cat(add_str, buf); + } +} + +/* generate prolog and epilog code for asm statment */ +static void asm_gen_code(ASMOperand *operands, int nb_operands, + int nb_outputs, int is_output, + uint8_t *clobber_regs, + int out_reg) +{ + uint8_t regs_allocated[NB_ASM_REGS]; + ASMOperand *op; + int i, reg; + static uint8_t reg_saved[NB_SAVED_REGS] = { 3, 6, 7 }; + + /* mark all used registers */ + memcpy(regs_allocated, clobber_regs, sizeof(regs_allocated)); + for(i = 0; i < nb_operands;i++) { + op = &operands[i]; + if (op->reg >= 0) + regs_allocated[op->reg] = 1; + } + if (!is_output) { + /* generate reg save code */ + for(i = 0; i < NB_SAVED_REGS; i++) { + reg = reg_saved[i]; + if (regs_allocated[reg]) + g(0x50 + reg); + } + + /* generate load code */ + for(i = 0; i < nb_operands; i++) { + op = &operands[i]; + if (op->reg >= 0) { + if ((op->vt->r & VT_VALMASK) == VT_LLOCAL && + op->is_memory) { + /* memory reference case (for both input and + output cases) */ + SValue sv; + sv = *op->vt; + sv.r = (sv.r & ~VT_VALMASK) | VT_LOCAL; + load(op->reg, &sv); + } else if (i >= nb_outputs || op->is_rw) { + /* load value in register */ + load(op->reg, op->vt); + if (op->is_llong) { + SValue sv; + sv = *op->vt; + sv.c.ul += 4; + load(TREG_EDX, &sv); + } + } + } + } + } else { + /* generate save code */ + for(i = 0 ; i < nb_outputs; i++) { + op = &operands[i]; + if (op->reg >= 0) { + if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) { + if (!op->is_memory) { + SValue sv; + sv = *op->vt; + sv.r = (sv.r & ~VT_VALMASK) | VT_LOCAL; + load(out_reg, &sv); + + sv.r = (sv.r & ~VT_VALMASK) | out_reg; + store(op->reg, &sv); + } + } else { + store(op->reg, op->vt); + if (op->is_llong) { + SValue sv; + sv = *op->vt; + sv.c.ul += 4; + store(TREG_EDX, &sv); + } + } + } + } + /* generate reg restore code */ + for(i = NB_SAVED_REGS - 1; i >= 0; i--) { + reg = reg_saved[i]; + if (regs_allocated[reg]) + g(0x58 + reg); + } + } +} + +static void asm_clobber(uint8_t *clobber_regs, const char *str) +{ + int reg; + TokenSym *ts; + + if (!strcmp(str, "memory") || + !strcmp(str, "cc")) + return; + ts = tok_alloc(str, strlen(str)); + reg = ts->tok; + if (reg >= TOK_ASM_eax && reg <= TOK_ASM_edi) { + reg -= TOK_ASM_eax; + } else if (reg >= TOK_ASM_ax && reg <= TOK_ASM_di) { + reg -= TOK_ASM_ax; + } else { + error("invalid clobber register '%s'", str); + } + clobber_regs[reg] = 1; +} +//--------------------------------------------------------------------------- +#endif +// njn: inlined tccasm.c +//#include "tccasm.c" +//--------------------------------------------------------------------------- +/* + * GAS like assembler for TCC + * + * Copyright (c) 2001-2004 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +static int asm_get_local_label_name(TCCState *s1, unsigned int n) +{ + char buf[64]; + TokenSym *ts; + + snprintf(buf, sizeof(buf), "L..%u", n); + ts = tok_alloc(buf, strlen(buf)); + return ts->tok; +} + +static void asm_expr(TCCState *s1, ExprValue *pe); + +/* We do not use the C expression parser to handle symbols. Maybe the + C expression parser could be tweaked to do so. */ + +static void asm_expr_unary(TCCState *s1, ExprValue *pe) +{ + Sym *sym; + int op, n, label; + const char *p; + + switch(tok) { + case TOK_PPNUM: + p = tokc.cstr->data; + n = strtoul(p, (char **)&p, 0); + if (*p == 'b' || *p == 'f') { + /* backward or forward label */ + label = asm_get_local_label_name(s1, n); + sym = label_find(label); + if (*p == 'b') { + /* backward : find the last corresponding defined label */ + if (sym && sym->r == 0) + sym = sym->prev_tok; + if (!sym) + error("local label '%d' not found backward", n); + } else { + /* forward */ + if (!sym || sym->r) { + /* if the last label is defined, then define a new one */ + sym = label_push(&s1->asm_labels, label, 0); + sym->type.t = VT_STATIC | VT_VOID; + } + } + pe->v = 0; + pe->sym = sym; + } else if (*p == '\0') { + pe->v = n; + pe->sym = NULL; + } else { + error("invalid number syntax"); + } + next(); + break; + case '+': + next(); + asm_expr_unary(s1, pe); + break; + case '-': + case '~': + op = tok; + next(); + asm_expr_unary(s1, pe); + if (pe->sym) + error("invalid operation with label"); + if (op == '-') + pe->v = -pe->v; + else + pe->v = ~pe->v; + break; + case TOK_CCHAR: + case TOK_LCHAR: + pe->v = tokc.i; + pe->sym = NULL; + next(); + break; + case '(': + next(); + asm_expr(s1, pe); + skip(')'); + break; + default: + if (tok >= TOK_IDENT) { + /* label case : if the label was not found, add one */ + sym = label_find(tok); + if (!sym) { + sym = label_push(&s1->asm_labels, tok, 0); + /* NOTE: by default, the symbol is global */ + sym->type.t = VT_VOID; + } + if (sym->r == SHN_ABS) { + /* if absolute symbol, no need to put a symbol value */ + pe->v = (long)sym->next; + pe->sym = NULL; + } else { + pe->v = 0; + pe->sym = sym; + } + next(); + } else { + error("bad expression syntax [%s]", get_tok_str(tok, &tokc)); + } + break; + } +} + +static void asm_expr_prod(TCCState *s1, ExprValue *pe) +{ + int op; + ExprValue e2; + + asm_expr_unary(s1, pe); + for(;;) { + op = tok; + if (op != '*' && op != '/' && op != '%' && + op != TOK_SHL && op != TOK_SAR) + break; + next(); + asm_expr_unary(s1, &e2); + if (pe->sym || e2.sym) + error("invalid operation with label"); + switch(op) { + case '*': + pe->v *= e2.v; + break; + case '/': + if (e2.v == 0) { + div_error: + error("division by zero"); + } + pe->v /= e2.v; + break; + case '%': + if (e2.v == 0) + goto div_error; + pe->v %= e2.v; + break; + case TOK_SHL: + pe->v <<= e2.v; + break; + default: + case TOK_SAR: + pe->v >>= e2.v; + break; + } + } +} + +static void asm_expr_logic(TCCState *s1, ExprValue *pe) +{ + int op; + ExprValue e2; + + asm_expr_prod(s1, pe); + for(;;) { + op = tok; + if (op != '&' && op != '|' && op != '^') + break; + next(); + asm_expr_prod(s1, &e2); + if (pe->sym || e2.sym) + error("invalid operation with label"); + switch(op) { + case '&': + pe->v &= e2.v; + break; + case '|': + pe->v |= e2.v; + break; + default: + case '^': + pe->v ^= e2.v; + break; + } + } +} + +static inline void asm_expr_sum(TCCState *s1, ExprValue *pe) +{ + int op; + ExprValue e2; + + asm_expr_logic(s1, pe); + for(;;) { + op = tok; + if (op != '+' && op != '-') + break; + next(); + asm_expr_logic(s1, &e2); + if (op == '+') { + if (pe->sym != NULL && e2.sym != NULL) + goto cannot_relocate; + pe->v += e2.v; + if (pe->sym == NULL && e2.sym != NULL) + pe->sym = e2.sym; + } else { + pe->v -= e2.v; + /* NOTE: we are less powerful than gas in that case + because we store only one symbol in the expression */ + if (!pe->sym && !e2.sym) { + /* OK */ + } else if (pe->sym && !e2.sym) { + /* OK */ + } else if (pe->sym && e2.sym) { + if (pe->sym == e2.sym) { + /* OK */ + } else if (pe->sym->r == e2.sym->r && pe->sym->r != 0) { + /* we also accept defined symbols in the same section */ + pe->v += (long)pe->sym->next - (long)e2.sym->next; + } else { + goto cannot_relocate; + } + pe->sym = NULL; /* same symbols can be substracted to NULL */ + } else { + cannot_relocate: + error("invalid operation with label"); + } + } + } +} + +static void asm_expr(TCCState *s1, ExprValue *pe) +{ + asm_expr_sum(s1, pe); +} + +static int asm_int_expr(TCCState *s1) +{ + ExprValue e; + asm_expr(s1, &e); + if (e.sym) + expect("constant"); + return e.v; +} + +/* NOTE: the same name space as C labels is used to avoid using too + much memory when storing labels in TokenStrings */ +static void asm_new_label1(TCCState *s1, int label, int is_local, + int sh_num, int value) +{ + Sym *sym; + + sym = label_find(label); + if (sym) { + if (sym->r) { + /* the label is already defined */ + if (!is_local) { + error("assembler label '%s' already defined", + get_tok_str(label, NULL)); + } else { + /* redefinition of local labels is possible */ + goto new_label; + } + } + } else { + new_label: + sym = label_push(&s1->asm_labels, label, 0); + sym->type.t = VT_STATIC | VT_VOID; + } + sym->r = sh_num; + sym->next = (void *)value; +} + +static void asm_new_label(TCCState *s1, int label, int is_local) +{ + asm_new_label1(s1, label, is_local, cur_text_section->sh_num, ind); +} + +static void asm_free_labels(TCCState *st) +{ + Sym *s, *s1; + Section *sec; + + for(s = st->asm_labels; s != NULL; s = s1) { + s1 = s->prev; + /* define symbol value in object file */ + if (s->r) { + if (s->r == SHN_ABS) + sec = SECTION_ABS; + else + sec = st->sections[s->r]; + put_extern_sym2(s, sec, (long)s->next, 0, 0); + } + /* remove label */ + table_ident[s->v - TOK_IDENT]->sym_label = NULL; + sym_free(s); + } + st->asm_labels = NULL; +} + +static void use_section1(TCCState *s1, Section *sec) +{ + cur_text_section->data_offset = ind; + cur_text_section = sec; + ind = cur_text_section->data_offset; +} + +static void use_section(TCCState *s1, const char *name) +{ + Section *sec; + sec = find_section(s1, name); + use_section1(s1, sec); +} + +static void asm_parse_directive(TCCState *s1) +{ + int n, offset, v, size, tok1; + Section *sec; + uint8_t *ptr; + + /* assembler directive */ + next(); + sec = cur_text_section; + switch(tok) { + case TOK_ASM_align: + case TOK_ASM_skip: + case TOK_ASM_space: + tok1 = tok; + next(); + n = asm_int_expr(s1); + if (tok1 == TOK_ASM_align) { + if (n < 0 || (n & (n-1)) != 0) + error("alignment must be a positive power of two"); + offset = (ind + n - 1) & -n; + size = offset - ind; + /* the section must have a compatible alignment */ + if (sec->sh_addralign < n) + sec->sh_addralign = n; + } else { + size = n; + } + v = 0; + if (tok == ',') { + next(); + v = asm_int_expr(s1); + } + zero_pad: + if (sec->sh_type != SHT_NOBITS) { + sec->data_offset = ind; + ptr = section_ptr_add(sec, size); + memset(ptr, v, size); + } + ind += size; + break; + case TOK_ASM_quad: + next(); + for(;;) { + uint64_t vl; + const char *p; + + p = tokc.cstr->data; + if (tok != TOK_PPNUM) { + error_constant: + error("64 bit constant"); + } + vl = strtoll(p, (char **)&p, 0); + if (*p != '\0') + goto error_constant; + next(); + if (sec->sh_type != SHT_NOBITS) { + /* XXX: endianness */ + gen_le32(vl); + gen_le32(vl >> 32); + } else { + ind += 8; + } + if (tok != ',') + break; + next(); + } + break; + case TOK_ASM_byte: + size = 1; + goto asm_data; + case TOK_ASM_word: + case TOK_SHORT: + size = 2; + goto asm_data; + case TOK_LONG: + case TOK_INT: + size = 4; + asm_data: + next(); + for(;;) { + ExprValue e; + asm_expr(s1, &e); + if (sec->sh_type != SHT_NOBITS) { + if (size == 4) { + gen_expr32(&e); + } else { + if (e.sym) + expect("constant"); + if (size == 1) + g(e.v); + else + gen_le16(e.v); + } + } else { + ind += size; + } + if (tok != ',') + break; + next(); + } + break; + case TOK_ASM_fill: + { + int repeat, size, val, i, j; + uint8_t repeat_buf[8]; + next(); + repeat = asm_int_expr(s1); + if (repeat < 0) { + error("repeat < 0; .fill ignored"); + break; + } + size = 1; + val = 0; + if (tok == ',') { + next(); + size = asm_int_expr(s1); + if (size < 0) { + error("size < 0; .fill ignored"); + break; + } + if (size > 8) + size = 8; + if (tok == ',') { + next(); + val = asm_int_expr(s1); + } + } + /* XXX: endianness */ + repeat_buf[0] = val; + repeat_buf[1] = val >> 8; + repeat_buf[2] = val >> 16; + repeat_buf[3] = val >> 24; + repeat_buf[4] = 0; + repeat_buf[5] = 0; + repeat_buf[6] = 0; + repeat_buf[7] = 0; + for(i = 0; i < repeat; i++) { + for(j = 0; j < size; j++) { + g(repeat_buf[j]); + } + } + } + break; + case TOK_ASM_org: + { + unsigned long n; + next(); + /* XXX: handle section symbols too */ + n = asm_int_expr(s1); + if (n < ind) + error("attempt to .org backwards"); + v = 0; + size = n - ind; + goto zero_pad; + } + break; + case TOK_ASM_globl: + case TOK_ASM_global: + { + Sym *sym; + + next(); + sym = label_find(tok); + if (!sym) { + sym = label_push(&s1->asm_labels, tok, 0); + sym->type.t = VT_VOID; + } + sym->type.t &= ~VT_STATIC; + next(); + } + break; + case TOK_ASM_string: + case TOK_ASM_ascii: + case TOK_ASM_asciz: + { + const uint8_t *p; + int i, size, t; + + t = tok; + next(); + for(;;) { + if (tok != TOK_STR) + expect("string constant"); + p = tokc.cstr->data; + size = tokc.cstr->size; + if (t == TOK_ASM_ascii && size > 0) + size--; + for(i = 0; i < size; i++) + g(p[i]); + next(); + if (tok == ',') { + next(); + } else if (tok != TOK_STR) { + break; + } + } + } + break; + case TOK_ASM_text: + case TOK_ASM_data: + case TOK_ASM_bss: + { + char sname[64]; + tok1 = tok; + n = 0; + next(); + if (tok != ';' && tok != TOK_LINEFEED) { + n = asm_int_expr(s1); + next(); + } + sprintf(sname, (n?".%s%d":".%s"), get_tok_str(tok1, NULL), n); + use_section(s1, sname); + } + break; + case TOK_SECTION1: + { + char sname[256]; + + /* XXX: support more options */ + next(); + sname[0] = '\0'; + while (tok != ';' && tok != TOK_LINEFEED && tok != ',') { + if (tok == TOK_STR) + pstrcat(sname, sizeof(sname), tokc.cstr->data); + else + pstrcat(sname, sizeof(sname), get_tok_str(tok, NULL)); + next(); + } + if (tok == ',') { + /* skip section options */ + next(); + if (tok != TOK_STR) + expect("string constant"); + next(); + } + last_text_section = cur_text_section; + use_section(s1, sname); + } + break; + case TOK_ASM_previous: + { + Section *sec; + next(); + if (!last_text_section) + error("no previous section referenced"); + sec = cur_text_section; + use_section1(s1, last_text_section); + last_text_section = sec; + } + break; + default: + error("unknown assembler directive '.%s'", get_tok_str(tok, NULL)); + break; + } +} + + +/* assemble a file */ +static int tcc_assemble_internal(TCCState *s1, int do_preprocess) +{ + int opcode; + +#if 0 + /* print stats about opcodes */ + { + const ASMInstr *pa; + int freq[4]; + int op_vals[500]; + int nb_op_vals, i, j; + + nb_op_vals = 0; + memset(freq, 0, sizeof(freq)); + for(pa = asm_instrs; pa->sym != 0; pa++) { + freq[pa->nb_ops]++; + for(i=0;i<pa->nb_ops;i++) { + for(j=0;j<nb_op_vals;j++) { + if (pa->op_type[i] == op_vals[j]) + goto found; + } + op_vals[nb_op_vals++] = pa->op_type[i]; + found: ; + } + } + for(i=0;i<nb_op_vals;i++) { + int v = op_vals[i]; + if ((v & (v - 1)) != 0) + printf("%3d: %08x\n", i, v); + } + printf("size=%d nb=%d f0=%d f1=%d f2=%d f3=%d\n", + sizeof(asm_instrs), sizeof(asm_instrs) / sizeof(ASMInstr), + freq[0], freq[1], freq[2], freq[3]); + } +#endif + + /* XXX: undefine C labels */ + + ch = file->buf_ptr[0]; + tok_flags = TOK_FLAG_BOL | TOK_FLAG_BOF; + parse_flags = PARSE_FLAG_ASM_COMMENTS; + if (do_preprocess) + parse_flags |= PARSE_FLAG_PREPROCESS; + next(); + for(;;) { + if (tok == TOK_EOF) + break; + parse_flags |= PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ + redo: + if (tok == '#') { + /* horrible gas comment */ + while (tok != TOK_LINEFEED) + next(); + } else if (tok == '.') { + asm_parse_directive(s1); + } else if (tok == TOK_PPNUM) { + const char *p; + int n; + p = tokc.cstr->data; + n = strtoul(p, (char **)&p, 10); + if (*p != '\0') + expect("':'"); + /* new local label */ + asm_new_label(s1, asm_get_local_label_name(s1, n), 1); + next(); + skip(':'); + goto redo; + } else if (tok >= TOK_IDENT) { + /* instruction or label */ + opcode = tok; + next(); + if (tok == ':') { + /* new label */ + asm_new_label(s1, opcode, 0); + next(); + goto redo; + } else if (tok == '=') { + int n; + next(); + n = asm_int_expr(s1); + asm_new_label1(s1, opcode, 0, SHN_ABS, n); + goto redo; + } else { + asm_opcode(s1, opcode); + } + } + /* end of line */ + if (tok != ';' && tok != TOK_LINEFEED){ + expect("end of line"); + } + parse_flags &= ~PARSE_FLAG_LINEFEED; /* XXX: suppress that hack */ + next(); + } + + asm_free_labels(s1); + + return 0; +} + +/* Assemble the current file */ +static int tcc_assemble(TCCState *s1, int do_preprocess) +{ + Sym *define_start; + int ret; + + preprocess_init(s1); + + /* default section is text */ + cur_text_section = text_section; + ind = cur_text_section->data_offset; + + define_start = define_stack; + + ret = tcc_assemble_internal(s1, do_preprocess); + + cur_text_section->data_offset = ind; + + free_defines(define_start); + + return ret; +} + +/********************************************************************/ +/* GCC inline asm support */ + +/* assemble the string 'str' in the current C compilation unit without + C preprocessing. NOTE: str is modified by modifying the '\0' at the + end */ +static void tcc_assemble_inline(TCCState *s1, char *str, int len) +{ + BufferedFile *bf, *saved_file; + int saved_parse_flags, *saved_macro_ptr; + + bf = tcc_malloc(sizeof(BufferedFile)); + memset(bf, 0, sizeof(BufferedFile)); + bf->fd = -1; + bf->buf_ptr = str; + bf->buf_end = str + len; + str[len] = CH_EOB; + /* same name as current file so that errors are correctly + reported */ + pstrcpy(bf->filename, sizeof(bf->filename), file->filename); + bf->line_num = file->line_num; + saved_file = file; + file = bf; + saved_parse_flags = parse_flags; + saved_macro_ptr = macro_ptr; + macro_ptr = NULL; + + tcc_assemble_internal(s1, 0); + + parse_flags = saved_parse_flags; + macro_ptr = saved_macro_ptr; + file = saved_file; + tcc_free(bf); +} + +/* find a constraint by its number or id (gcc 3 extended + syntax). return -1 if not found. Return in *pp in char after the + constraint */ +static int find_constraint(ASMOperand *operands, int nb_operands, + const char *name, const char **pp) +{ + int index; + TokenSym *ts; + const char *p; + + if (isnum(*name)) { + index = 0; + while (isnum(*name)) { + index = (index * 10) + (*name) - '0'; + name++; + } + if ((unsigned)index >= nb_operands) + index = -1; + } else if (*name == '[') { + name++; + p = strchr(name, ']'); + if (p) { + ts = tok_alloc(name, p - name); + for(index = 0; index < nb_operands; index++) { + if (operands[index].id == ts->tok) + goto found; + } + index = -1; + found: + name = p + 1; + } else { + index = -1; + } + } else { + index = -1; + } + if (pp) + *pp = name; + return index; +} + +static void subst_asm_operands(ASMOperand *operands, int nb_operands, + int nb_outputs, + CString *out_str, CString *in_str) +{ + int c, index, modifier; + const char *str; + ASMOperand *op; + SValue sv; + + cstr_new(out_str); + str = in_str->data; + for(;;) { + c = *str++; + if (c == '%') { + if (*str == '%') { + str++; + goto add_char; + } + modifier = 0; + if (*str == 'c' || *str == 'n' || + *str == 'b' || *str == 'w' || *str == 'h') + modifier = *str++; + index = find_constraint(operands, nb_operands, str, &str); + if (index < 0) + error("invalid operand reference after %%"); + op = &operands[index]; + sv = *op->vt; + if (op->reg >= 0) { + sv.r = op->reg; + if ((op->vt->r & VT_VALMASK) == VT_LLOCAL) + sv.r |= VT_LVAL; + } + subst_asm_operand(out_str, &sv, modifier); + } else { + add_char: + cstr_ccat(out_str, c); + if (c == '\0') + break; + } + } +} + + +static void parse_asm_operands(ASMOperand *operands, int *nb_operands_ptr, + int is_output) +{ + ASMOperand *op; + int nb_operands; + + if (tok != ':') { + nb_operands = *nb_operands_ptr; + for(;;) { + if (nb_operands >= MAX_ASM_OPERANDS) + error("too many asm operands"); + op = &operands[nb_operands++]; + op->id = 0; + if (tok == '[') { + next(); + if (tok < TOK_IDENT) + expect("identifier"); + op->id = tok; + next(); + skip(']'); + } + if (tok != TOK_STR) + expect("string constant"); + op->constraint = tcc_malloc(tokc.cstr->size); + strcpy(op->constraint, tokc.cstr->data); + next(); + skip('('); + gexpr(); + if (is_output) { + test_lvalue(); + } else { + /* we want to avoid LLOCAL case, except when the 'm' + constraint is used. Note that it may come from + register storage, so we need to convert (reg) + case */ + if ((vtop->r & VT_LVAL) && + ((vtop->r & VT_VALMASK) == VT_LLOCAL || + (vtop->r & VT_VALMASK) < VT_CONST) && + !strchr(op->constraint, 'm')) { + gv(RC_INT); + } + } + op->vt = vtop; + skip(')'); + if (tok == ',') { + next(); + } else { + break; + } + } + *nb_operands_ptr = nb_operands; + } +} + +static void parse_asm_str(CString *astr) +{ + skip('('); + /* read the string */ + if (tok != TOK_STR) + expect("string constant"); + cstr_new(astr); + while (tok == TOK_STR) { + /* XXX: add \0 handling too ? */ + cstr_cat(astr, tokc.cstr->data); + next(); + } + cstr_ccat(astr, '\0'); +} + +/* parse the GCC asm() instruction */ +static void asm_instr(void) +{ + CString astr, astr1; + ASMOperand operands[MAX_ASM_OPERANDS]; + int nb_inputs, nb_outputs, nb_operands, i, must_subst, out_reg; + uint8_t clobber_regs[NB_ASM_REGS]; + + next(); + /* since we always generate the asm() instruction, we can ignore + volatile */ + if (tok == TOK_VOLATILE1 || tok == TOK_VOLATILE2 || tok == TOK_VOLATILE3) { + next(); + } + parse_asm_str(&astr); + nb_operands = 0; + nb_outputs = 0; + must_subst = 0; + memset(clobber_regs, 0, sizeof(clobber_regs)); + if (tok == ':') { + next(); + must_subst = 1; + /* output args */ + parse_asm_operands(operands, &nb_operands, 1); + nb_outputs = nb_operands; + if (tok == ':') { + next(); + /* input args */ + parse_asm_operands(operands, &nb_operands, 0); + if (tok == ':') { + /* clobber list */ + /* XXX: handle registers */ + next(); + for(;;) { + if (tok != TOK_STR) + expect("string constant"); + asm_clobber(clobber_regs, tokc.cstr->data); + next(); + if (tok == ',') { + next(); + } else { + break; + } + } + } + } + } + skip(')'); + /* NOTE: we do not eat the ';' so that we can restore the current + token after the assembler parsing */ + if (tok != ';') + expect("';'"); + nb_inputs = nb_operands - nb_outputs; + + /* save all values in the memory */ + save_regs(0); + + /* compute constraints */ + asm_compute_constraints(operands, nb_operands, nb_outputs, + clobber_regs, &out_reg); + + /* substitute the operands in the asm string. No substitution is + done if no operands (GCC behaviour) */ +#ifdef ASM_DEBUG + printf("asm: \"%s\"\n", (char *)astr.data); +#endif + if (must_subst) { + subst_asm_operands(operands, nb_operands, nb_outputs, &astr1, &astr); + cstr_free(&astr); + } else { + astr1 = astr; + } +#ifdef ASM_DEBUG + printf("subst_asm: \"%s\"\n", (char *)astr1.data); +#endif + + /* generate loads */ + asm_gen_code(operands, nb_operands, nb_outputs, 0, + clobber_regs, out_reg); + + /* assemble the string with tcc internal assembler */ + tcc_assemble_inline(tcc_state, astr1.data, astr1.size - 1); + + /* restore the current C token */ + next(); + + /* store the output values if needed */ + asm_gen_code(operands, nb_operands, nb_outputs, 1, + clobber_regs, out_reg); + + /* free everything */ + for(i=0;i<nb_operands;i++) { + ASMOperand *op; + op = &operands[i]; + tcc_free(op->constraint); + vpop(); + } + cstr_free(&astr1); +} + +static void asm_global_instr(void) +{ + CString astr; + + next(); + parse_asm_str(&astr); + skip(')'); + /* NOTE: we do not eat the ';' so that we can restore the current + token after the assembler parsing */ + if (tok != ';') + expect("';'"); + +#ifdef ASM_DEBUG + printf("asm_global: \"%s\"\n", (char *)astr.data); +#endif + cur_text_section = text_section; + ind = cur_text_section->data_offset; + + /* assemble the string with tcc internal assembler */ + tcc_assemble_inline(tcc_state, astr.data, astr.size - 1); + + cur_text_section->data_offset = ind; + + /* restore the current C token */ + next(); + + cstr_free(&astr); +} +//--------------------------------------------------------------------------- + +#else +static void asm_instr(void) +{ + error("inline asm() not supported"); +} +static void asm_global_instr(void) +{ + error("inline asm() not supported"); +} +#endif + +// njn: inlined tccelf.c +//#include "tccelf.c" +//--------------------------------------------------------------------------- +/* + * ELF file handling for TCC + * + * Copyright (c) 2001-2004 Fabrice Bellard + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +static int put_elf_str(Section *s, const char *sym) +{ + int offset, len; + char *ptr; + + len = strlen(sym) + 1; + offset = s->data_offset; + ptr = section_ptr_add(s, len); + memcpy(ptr, sym, len); + return offset; +} + +/* elf symbol hashing function */ +static unsigned long elf_hash(const unsigned char *name) +{ + unsigned long h = 0, g; + + while (*name) { + h = (h << 4) + *name++; + g = h & 0xf0000000; + if (g) + h ^= g >> 24; + h &= ~g; + } + return h; +} + +/* rebuild hash table of section s */ +/* NOTE: we do factorize the hash table code to go faster */ +static void rebuild_hash(Section *s, unsigned int nb_buckets) +{ + Elf32_Sym *sym; + int *ptr, *hash, nb_syms, sym_index, h; + char *strtab; + + strtab = s->link->data; + nb_syms = s->data_offset / sizeof(Elf32_Sym); + + s->hash->data_offset = 0; + ptr = section_ptr_add(s->hash, (2 + nb_buckets + nb_syms) * sizeof(int)); + ptr[0] = nb_buckets; + ptr[1] = nb_syms; + ptr += 2; + hash = ptr; + memset(hash, 0, (nb_buckets + 1) * sizeof(int)); + ptr += nb_buckets + 1; + + sym = (Elf32_Sym *)s->data + 1; + for(sym_index = 1; sym_index < nb_syms; sym_index++) { + if (ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { + h = elf_hash(strtab + sym->st_name) % nb_buckets; + *ptr = hash[h]; + hash[h] = sym_index; + } else { + *ptr = 0; + } + ptr++; + sym++; + } +} + +/* return the symbol number */ +static int put_elf_sym(Section *s, + unsigned long value, unsigned long size, + int info, int other, int shndx, const char *name) +{ + int name_offset, sym_index; + int nbuckets, h; + Elf32_Sym *sym; + Section *hs; + + sym = section_ptr_add(s, sizeof(Elf32_Sym)); + if (name) + name_offset = put_elf_str(s->link, name); + else + name_offset = 0; + /* XXX: endianness */ + sym->st_name = name_offset; + sym->st_value = value; + sym->st_size = size; + sym->st_info = info; + sym->st_other = other; + sym->st_shndx = shndx; + sym_index = sym - (Elf32_Sym *)s->data; + hs = s->hash; + if (hs) { + int *ptr, *base; + ptr = section_ptr_add(hs, sizeof(int)); + base = (int *)hs->data; + /* only add global or weak symbols */ + if (ELF32_ST_BIND(info) != STB_LOCAL) { + /* add another hashing entry */ + nbuckets = base[0]; + h = elf_hash(name) % nbuckets; + *ptr = base[2 + h]; + base[2 + h] = sym_index; + base[1]++; + /* we resize the hash table */ + hs->nb_hashed_syms++; + if (hs->nb_hashed_syms > 2 * nbuckets) { + rebuild_hash(s, 2 * nbuckets); + } + } else { + *ptr = 0; + base[1]++; + } + } + return sym_index; +} + +/* find global ELF symbol 'name' and return its index. Return 0 if not + found. */ +static int find_elf_sym(Section *s, const char *name) +{ + Elf32_Sym *sym; + Section *hs; + int nbuckets, sym_index, h; + const char *name1; + + hs = s->hash; + if (!hs) + return 0; + nbuckets = ((int *)hs->data)[0]; + h = elf_hash(name) % nbuckets; + sym_index = ((int *)hs->data)[2 + h]; + while (sym_index != 0) { + sym = &((Elf32_Sym *)s->data)[sym_index]; + name1 = s->link->data + sym->st_name; + if (!strcmp(name, name1)) + return sym_index; + sym_index = ((int *)hs->data)[2 + nbuckets + sym_index]; + } + return 0; +} + +/* return elf symbol value or error */ +int tcc_get_symbol(TCCState *s, unsigned long *pval, const char *name) +{ + int sym_index; + Elf32_Sym *sym; + + sym_index = find_elf_sym(symtab_section, name); + if (!sym_index) + return -1; + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + *pval = sym->st_value; + return 0; +} + +void *tcc_get_symbol_err(TCCState *s, const char *name) +{ + unsigned long val; + if (tcc_get_symbol(s, &val, name) < 0) + error("%s not defined", name); + return (void *)val; +} + +/* add an elf symbol : check if it is already defined and patch + it. Return symbol index. NOTE that sh_num can be SHN_UNDEF. */ +static int add_elf_sym(Section *s, unsigned long value, unsigned long size, + int info, int other, int sh_num, const char *name) +{ + Elf32_Sym *esym; + int sym_bind, sym_index, sym_type, esym_bind; + + sym_bind = ELF32_ST_BIND(info); + sym_type = ELF32_ST_TYPE(info); + + if (sym_bind != STB_LOCAL) { + /* we search global or weak symbols */ + sym_index = find_elf_sym(s, name); + if (!sym_index) + goto do_def; + esym = &((Elf32_Sym *)s->data)[sym_index]; + if (esym->st_shndx != SHN_UNDEF) { + esym_bind = ELF32_ST_BIND(esym->st_info); + if (sh_num == SHN_UNDEF) { + /* ignore adding of undefined symbol if the + corresponding symbol is already defined */ + } else if (sym_bind == STB_GLOBAL && esym_bind == STB_WEAK) { + /* global overrides weak, so patch */ + goto do_patch; + } else if (sym_bind == STB_WEAK && esym_bind == STB_GLOBAL) { + /* weak is ignored if already global */ + } else { +#if 0 + printf("new_bind=%d new_shndx=%d last_bind=%d old_shndx=%d\n", + sym_bind, sh_num, esym_bind, esym->st_shndx); +#endif + /* NOTE: we accept that two DLL define the same symbol */ + if (s != tcc_state->dynsymtab_section) + error_noabort("'%s' defined twice", name); + } + } else { + do_patch: + esym->st_info = ELF32_ST_INFO(sym_bind, sym_type); + esym->st_shndx = sh_num; + esym->st_value = value; + esym->st_size = size; + esym->st_other = other; + } + } else { + do_def: + sym_index = put_elf_sym(s, value, size, + ELF32_ST_INFO(sym_bind, sym_type), other, + sh_num, name); + } + return sym_index; +} + +/* put relocation */ +static void put_elf_reloc(Section *symtab, Section *s, unsigned long offset, + int type, int symbol) +{ + char buf[256]; + Section *sr; + Elf32_Rel *rel; + + sr = s->reloc; + if (!sr) { + /* if no relocation section, create it */ + snprintf(buf, sizeof(buf), ".rel%s", s->name); + /* if the symtab is allocated, then we consider the relocation + are also */ + sr = new_section(tcc_state, buf, SHT_REL, symtab->sh_flags); + sr->sh_entsize = sizeof(Elf32_Rel); + sr->link = symtab; + sr->sh_info = s->sh_num; + s->reloc = sr; + } + rel = section_ptr_add(sr, sizeof(Elf32_Rel)); + rel->r_offset = offset; + rel->r_info = ELF32_R_INFO(symbol, type); +} + +/* put stab debug information */ + +typedef struct { + unsigned long n_strx; /* index into string table of name */ + unsigned char n_type; /* type of symbol */ + unsigned char n_other; /* misc info (usually empty) */ + unsigned short n_desc; /* description field */ + unsigned long n_value; /* value of symbol */ +} Stab_Sym; + +static void put_stabs(const char *str, int type, int other, int desc, + unsigned long value) +{ + Stab_Sym *sym; + + sym = section_ptr_add(stab_section, sizeof(Stab_Sym)); + if (str) { + sym->n_strx = put_elf_str(stabstr_section, str); + } else { + sym->n_strx = 0; + } + sym->n_type = type; + sym->n_other = other; + sym->n_desc = desc; + sym->n_value = value; +} + +static void put_stabs_r(const char *str, int type, int other, int desc, + unsigned long value, Section *sec, int sym_index) +{ + put_stabs(str, type, other, desc, value); + put_elf_reloc(symtab_section, stab_section, + stab_section->data_offset - sizeof(unsigned long), + R_DATA_32, sym_index); +} + +static void put_stabn(int type, int other, int desc, int value) +{ + put_stabs(NULL, type, other, desc, value); +} + +static void put_stabd(int type, int other, int desc) +{ + put_stabs(NULL, type, other, desc, 0); +} + +/* In an ELF file symbol table, the local symbols must appear below + the global and weak ones. Since TCC cannot sort it while generating + the code, we must do it after. All the relocation tables are also + modified to take into account the symbol table sorting */ +static void sort_syms(TCCState *s1, Section *s) +{ + int *old_to_new_syms; + Elf32_Sym *new_syms; + int nb_syms, i; + Elf32_Sym *p, *q; + Elf32_Rel *rel, *rel_end; + Section *sr; + int type, sym_index; + + nb_syms = s->data_offset / sizeof(Elf32_Sym); + new_syms = tcc_malloc(nb_syms * sizeof(Elf32_Sym)); + old_to_new_syms = tcc_malloc(nb_syms * sizeof(int)); + + /* first pass for local symbols */ + p = (Elf32_Sym *)s->data; + q = new_syms; + for(i = 0; i < nb_syms; i++) { + if (ELF32_ST_BIND(p->st_info) == STB_LOCAL) { + old_to_new_syms[i] = q - new_syms; + *q++ = *p; + } + p++; + } + /* save the number of local symbols in section header */ + s->sh_info = q - new_syms; + + /* then second pass for non local symbols */ + p = (Elf32_Sym *)s->data; + for(i = 0; i < nb_syms; i++) { + if (ELF32_ST_BIND(p->st_info) != STB_LOCAL) { + old_to_new_syms[i] = q - new_syms; + *q++ = *p; + } + p++; + } + + /* we copy the new symbols to the old */ + memcpy(s->data, new_syms, nb_syms * sizeof(Elf32_Sym)); + tcc_free(new_syms); + + /* now we modify all the relocations */ + for(i = 1; i < s1->nb_sections; i++) { + sr = s1->sections[i]; + if (sr->sh_type == SHT_REL && sr->link == s) { + rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); + for(rel = (Elf32_Rel *)sr->data; + rel < rel_end; + rel++) { + sym_index = ELF32_R_SYM(rel->r_info); + type = ELF32_R_TYPE(rel->r_info); + sym_index = old_to_new_syms[sym_index]; + rel->r_info = ELF32_R_INFO(sym_index, type); + } + } + } + + tcc_free(old_to_new_syms); +} + +/* relocate common symbols in the .bss section */ +static void relocate_common_syms(void) +{ + Elf32_Sym *sym, *sym_end; + unsigned long offset, align; + + sym_end = (Elf32_Sym *)(symtab_section->data + symtab_section->data_offset); + for(sym = (Elf32_Sym *)symtab_section->data + 1; + sym < sym_end; + sym++) { + if (sym->st_shndx == SHN_COMMON) { + /* align symbol */ + align = sym->st_value; + offset = bss_section->data_offset; + offset = (offset + align - 1) & -align; + sym->st_value = offset; + sym->st_shndx = bss_section->sh_num; + offset += sym->st_size; + bss_section->data_offset = offset; + } + } +} + +/* relocate symbol table, resolve undefined symbols if do_resolve is + true and output error if undefined symbol. */ +static void relocate_syms(TCCState *s1, int do_resolve) +{ + Elf32_Sym *sym, *esym, *sym_end; + int sym_bind, sh_num, sym_index; + const char *name; + unsigned long addr; + + sym_end = (Elf32_Sym *)(symtab_section->data + symtab_section->data_offset); + for(sym = (Elf32_Sym *)symtab_section->data + 1; + sym < sym_end; + sym++) { + sh_num = sym->st_shndx; + if (sh_num == SHN_UNDEF) { + name = strtab_section->data + sym->st_name; + if (do_resolve) { + name = symtab_section->link->data + sym->st_name; + addr = (unsigned long)resolve_sym(s1, name, ELF32_ST_TYPE(sym->st_info)); + if (addr) { + sym->st_value = addr; + goto found; + } + } else if (s1->dynsym) { + /* if dynamic symbol exist, then use it */ + sym_index = find_elf_sym(s1->dynsym, name); + if (sym_index) { + esym = &((Elf32_Sym *)s1->dynsym->data)[sym_index]; + sym->st_value = esym->st_value; + goto found; + } + } + /* XXX: _fp_hw seems to be part of the ABI, so we ignore + it */ + if (!strcmp(name, "_fp_hw")) + goto found; + /* only weak symbols are accepted to be undefined. Their + value is zero */ + sym_bind = ELF32_ST_BIND(sym->st_info); + if (sym_bind == STB_WEAK) { + sym->st_value = 0; + } else { + error_noabort("undefined symbol '%s'", name); + } + } else if (sh_num < SHN_LORESERVE) { + /* add section base */ + sym->st_value += s1->sections[sym->st_shndx]->sh_addr; + } + found: ; + } +} + +/* relocate a given section (CPU dependent) */ +static void relocate_section(TCCState *s1, Section *s) +{ + Section *sr; + Elf32_Rel *rel, *rel_end, *qrel; + Elf32_Sym *sym; + int type, sym_index; + unsigned char *ptr; + unsigned long val, addr; +#if defined(TCC_TARGET_I386) + int esym_index; +#endif + + sr = s->reloc; + rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); + qrel = (Elf32_Rel *)sr->data; + for(rel = qrel; + rel < rel_end; + rel++) { + ptr = s->data + rel->r_offset; + + sym_index = ELF32_R_SYM(rel->r_info); + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + val = sym->st_value; + type = ELF32_R_TYPE(rel->r_info); + addr = s->sh_addr + rel->r_offset; + + /* CPU specific */ + switch(type) { +#if defined(TCC_TARGET_I386) + case R_386_32: + if (s1->output_type == TCC_OUTPUT_DLL) { + esym_index = s1->symtab_to_dynsym[sym_index]; + qrel->r_offset = rel->r_offset; + if (esym_index) { + qrel->r_info = ELF32_R_INFO(esym_index, R_386_32); + qrel++; + break; + } else { + qrel->r_info = ELF32_R_INFO(0, R_386_RELATIVE); + qrel++; + } + } + *(int *)ptr += val; + break; + case R_386_PC32: + if (s1->output_type == TCC_OUTPUT_DLL) { + /* DLL relocation */ + esym_index = s1->symtab_to_dynsym[sym_index]; + if (esym_index) { + qrel->r_offset = rel->r_offset; + qrel->r_info = ELF32_R_INFO(esym_index, R_386_PC32); + qrel++; + break; + } + } + *(int *)ptr += val - addr; + break; + case R_386_PLT32: + *(int *)ptr += val - addr; + break; + case R_386_GLOB_DAT: + case R_386_JMP_SLOT: + *(int *)ptr = val; + break; + case R_386_GOTPC: + *(int *)ptr += s1->got->sh_addr - addr; + break; + case R_386_GOTOFF: + *(int *)ptr += val - s1->got->sh_addr; + break; + case R_386_GOT32: + /* we load the got offset */ + *(int *)ptr += s1->got_offsets[sym_index]; + break; +#elif defined(TCC_TARGET_ARM) + case R_ARM_PC24: + case R_ARM_PLT32: + { + int x; + x = (*(int *)ptr)&0xffffff; + (*(int *)ptr) &= 0xff000000; + if (x & 0x800000) + x -= 0x1000000; + x *= 4; + x += val - addr; + if((x & 3) != 0 || x >= 0x4000000 || x < -0x4000000) + error("can't relocate value at %x",addr); + x >>= 2; + x &= 0xffffff; + (*(int *)ptr) |= x; + } + break; + case R_ARM_ABS32: + *(int *)ptr += val; + break; + case R_ARM_GOTPC: + *(int *)ptr += s1->got->sh_addr - addr; + break; + case R_ARM_GOT32: + /* we load the got offset */ + *(int *)ptr += s1->got_offsets[sym_index]; + break; + case R_ARM_COPY: + break; + default: + fprintf(stderr,"FIXME: handle reloc type %x at %lx [%.8x] to %lx\n", + type,addr,(unsigned int )ptr,val); + break; +#elif defined(TCC_TARGET_C67) + case R_C60_32: + *(int *)ptr += val; + break; + case R_C60LO16: + { + uint32_t orig; + + /* put the low 16 bits of the absolute address */ + // add to what is already there + + orig = ((*(int *)(ptr )) >> 7) & 0xffff; + orig |= (((*(int *)(ptr+4)) >> 7) & 0xffff) << 16; + + //patch both at once - assumes always in pairs Low - High + + *(int *) ptr = (*(int *) ptr & (~(0xffff << 7)) ) | (((val+orig) & 0xffff) << 7); + *(int *)(ptr+4) = (*(int *)(ptr+4) & (~(0xffff << 7)) ) | ((((val+orig)>>16) & 0xffff) << 7); + } + break; + case R_C60HI16: + break; + default: + fprintf(stderr,"FIXME: handle reloc type %x at %lx [%.8x] to %lx\n", + type,addr,(unsigned int )ptr,val); + break; +#else +#error unsupported processor +#endif + } + } + /* if the relocation is allocated, we change its symbol table */ + if (sr->sh_flags & SHF_ALLOC) + sr->link = s1->dynsym; +} + +/* relocate relocation table in 'sr' */ +static void relocate_rel(TCCState *s1, Section *sr) +{ + Section *s; + Elf32_Rel *rel, *rel_end; + + s = s1->sections[sr->sh_info]; + rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); + for(rel = (Elf32_Rel *)sr->data; + rel < rel_end; + rel++) { + rel->r_offset += s->sh_addr; + } +} + +/* count the number of dynamic relocations so that we can reserve + their space */ +static int prepare_dynamic_rel(TCCState *s1, Section *sr) +{ + Elf32_Rel *rel, *rel_end; + int sym_index, esym_index, type, count; + + count = 0; + rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); + for(rel = (Elf32_Rel *)sr->data; rel < rel_end; rel++) { + sym_index = ELF32_R_SYM(rel->r_info); + type = ELF32_R_TYPE(rel->r_info); + switch(type) { + case R_386_32: + count++; + break; + case R_386_PC32: + esym_index = s1->symtab_to_dynsym[sym_index]; + if (esym_index) + count++; + break; + default: + break; + } + } + if (count) { + /* allocate the section */ + sr->sh_flags |= SHF_ALLOC; + sr->sh_size = count * sizeof(Elf32_Rel); + } + return count; +} + +static void put_got_offset(TCCState *s1, int index, unsigned long val) +{ + int n; + unsigned long *tab; + + if (index >= s1->nb_got_offsets) { + /* find immediately bigger power of 2 and reallocate array */ + n = 1; + while (index >= n) + n *= 2; + tab = tcc_realloc(s1->got_offsets, n * sizeof(unsigned long)); + if (!tab) + error("memory full"); + s1->got_offsets = tab; + memset(s1->got_offsets + s1->nb_got_offsets, 0, + (n - s1->nb_got_offsets) * sizeof(unsigned long)); + s1->nb_got_offsets = n; + } + s1->got_offsets[index] = val; +} + +/* XXX: suppress that */ +static void put32(unsigned char *p, uint32_t val) +{ + p[0] = val; + p[1] = val >> 8; + p[2] = val >> 16; + p[3] = val >> 24; +} + +#if defined(TCC_TARGET_I386) || defined(TCC_TARGET_ARM) +static uint32_t get32(unsigned char *p) +{ + return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24); +} +#endif + +static void build_got(TCCState *s1) +{ + unsigned char *ptr; + + /* if no got, then create it */ + s1->got = new_section(s1, ".got", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); + s1->got->sh_entsize = 4; + add_elf_sym(symtab_section, 0, 4, ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), + 0, s1->got->sh_num, "_GLOBAL_OFFSET_TABLE_"); + ptr = section_ptr_add(s1->got, 3 * sizeof(int)); + /* keep space for _DYNAMIC pointer, if present */ + put32(ptr, 0); + /* two dummy got entries */ + put32(ptr + 4, 0); + put32(ptr + 8, 0); +} + +/* put a got entry corresponding to a symbol in symtab_section. 'size' + and 'info' can be modifed if more precise info comes from the DLL */ +static void put_got_entry(TCCState *s1, + int reloc_type, unsigned long size, int info, + int sym_index) +{ + int index; + const char *name; + Elf32_Sym *sym; + unsigned long offset; + int *ptr; + + if (!s1->got) + build_got(s1); + + /* if a got entry already exists for that symbol, no need to add one */ + if (sym_index < s1->nb_got_offsets && + s1->got_offsets[sym_index] != 0) + return; + + put_got_offset(s1, sym_index, s1->got->data_offset); + + if (s1->dynsym) { + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + name = symtab_section->link->data + sym->st_name; + offset = sym->st_value; +#ifdef TCC_TARGET_I386 + if (reloc_type == R_386_JMP_SLOT) { + Section *plt; + uint8_t *p; + int modrm; + + /* if we build a DLL, we add a %ebx offset */ + if (s1->output_type == TCC_OUTPUT_DLL) + modrm = 0xa3; + else + modrm = 0x25; + + /* add a PLT entry */ + plt = s1->plt; + if (plt->data_offset == 0) { + /* first plt entry */ + p = section_ptr_add(plt, 16); + p[0] = 0xff; /* pushl got + 4 */ + p[1] = modrm + 0x10; + put32(p + 2, 4); + p[6] = 0xff; /* jmp *(got + 8) */ + p[7] = modrm; + put32(p + 8, 8); + } + + p = section_ptr_add(plt, 16); + p[0] = 0xff; /* jmp *(got + x) */ + p[1] = modrm; + put32(p + 2, s1->got->data_offset); + p[6] = 0x68; /* push $xxx */ + put32(p + 7, (plt->data_offset - 32) >> 1); + p[11] = 0xe9; /* jmp plt_start */ + put32(p + 12, -(plt->data_offset)); + + /* the symbol is modified so that it will be relocated to + the PLT */ + if (s1->output_type == TCC_OUTPUT_EXE) + offset = plt->data_offset - 16; + } +#elif defined(TCC_TARGET_ARM) + if (reloc_type == R_ARM_JUMP_SLOT) { + Section *plt; + uint8_t *p; + + /* if we build a DLL, we add a %ebx offset */ + if (s1->output_type == TCC_OUTPUT_DLL) + error("DLLs unimplemented!"); + + /* add a PLT entry */ + plt = s1->plt; + if (plt->data_offset == 0) { + /* first plt entry */ + p = section_ptr_add(plt, 16); + put32(p , 0xe52de004); + put32(p + 4, 0xe59fe010); + put32(p + 8, 0xe08fe00e); + put32(p + 12, 0xe5bef008); + } + + p = section_ptr_add(plt, 16); + put32(p , 0xe59fc004); + put32(p+4, 0xe08fc00c); + put32(p+8, 0xe59cf000); + put32(p+12, s1->got->data_offset); + + /* the symbol is modified so that it will be relocated to + the PLT */ + if (s1->output_type == TCC_OUTPUT_EXE) + offset = plt->data_offset - 16; + } +#elif defined(TCC_TARGET_C67) + error("C67 got not implemented"); +#else +#error unsupported CPU +#endif + index = put_elf_sym(s1->dynsym, offset, + size, info, 0, sym->st_shndx, name); + /* put a got entry */ + put_elf_reloc(s1->dynsym, s1->got, + s1->got->data_offset, + reloc_type, index); + } + ptr = section_ptr_add(s1->got, sizeof(int)); + *ptr = 0; +} + +/* build GOT and PLT entries */ +static void build_got_entries(TCCState *s1) +{ + Section *s, *symtab; + Elf32_Rel *rel, *rel_end; + Elf32_Sym *sym; + int i, type, reloc_type, sym_index; + + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if (s->sh_type != SHT_REL) + continue; + /* no need to handle got relocations */ + if (s->link != symtab_section) + continue; + symtab = s->link; + rel_end = (Elf32_Rel *)(s->data + s->data_offset); + for(rel = (Elf32_Rel *)s->data; + rel < rel_end; + rel++) { + type = ELF32_R_TYPE(rel->r_info); + switch(type) { +#if defined(TCC_TARGET_I386) + case R_386_GOT32: + case R_386_GOTOFF: + case R_386_GOTPC: + case R_386_PLT32: + if (!s1->got) + build_got(s1); + if (type == R_386_GOT32 || type == R_386_PLT32) { + sym_index = ELF32_R_SYM(rel->r_info); + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + /* look at the symbol got offset. If none, then add one */ + if (type == R_386_GOT32) + reloc_type = R_386_GLOB_DAT; + else + reloc_type = R_386_JMP_SLOT; + put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, + sym_index); + } + break; +#elif defined(TCC_TARGET_ARM) + case R_ARM_GOT32: + case R_ARM_GOTOFF: + case R_ARM_GOTPC: + case R_ARM_PLT32: + if (!s1->got) + build_got(s1); + if (type == R_ARM_GOT32 || type == R_ARM_PLT32) { + sym_index = ELF32_R_SYM(rel->r_info); + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + /* look at the symbol got offset. If none, then add one */ + if (type == R_ARM_GOT32) + reloc_type = R_ARM_GLOB_DAT; + else + reloc_type = R_ARM_JUMP_SLOT; + put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, + sym_index); + } + break; +#elif defined(TCC_TARGET_C67) + case R_C60_GOT32: + case R_C60_GOTOFF: + case R_C60_GOTPC: + case R_C60_PLT32: + if (!s1->got) + build_got(s1); + if (type == R_C60_GOT32 || type == R_C60_PLT32) { + sym_index = ELF32_R_SYM(rel->r_info); + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + /* look at the symbol got offset. If none, then add one */ + if (type == R_C60_GOT32) + reloc_type = R_C60_GLOB_DAT; + else + reloc_type = R_C60_JMP_SLOT; + put_got_entry(s1, reloc_type, sym->st_size, sym->st_info, + sym_index); + } + break; +#else +#error unsupported CPU +#endif + default: + break; + } + } + } +} + +static Section *new_symtab(TCCState *s1, + const char *symtab_name, int sh_type, int sh_flags, + const char *strtab_name, + const char *hash_name, int hash_sh_flags) +{ + Section *symtab, *strtab, *hash; + int *ptr, nb_buckets; + + symtab = new_section(s1, symtab_name, sh_type, sh_flags); + symtab->sh_entsize = sizeof(Elf32_Sym); + strtab = new_section(s1, strtab_name, SHT_STRTAB, sh_flags); + put_elf_str(strtab, ""); + symtab->link = strtab; + put_elf_sym(symtab, 0, 0, 0, 0, 0, NULL); + + nb_buckets = 1; + + hash = new_section(s1, hash_name, SHT_HASH, hash_sh_flags); + hash->sh_entsize = sizeof(int); + symtab->hash = hash; + hash->link = symtab; + + ptr = section_ptr_add(hash, (2 + nb_buckets + 1) * sizeof(int)); + ptr[0] = nb_buckets; + ptr[1] = 1; + memset(ptr + 2, 0, (nb_buckets + 1) * sizeof(int)); + return symtab; +} + +/* put dynamic tag */ +static void put_dt(Section *dynamic, int dt, unsigned long val) +{ + Elf32_Dyn *dyn; + dyn = section_ptr_add(dynamic, sizeof(Elf32_Dyn)); + dyn->d_tag = dt; + dyn->d_un.d_val = val; +} + +static void add_init_array_defines(TCCState *s1, const char *section_name) +{ + Section *s; + long end_offset; + char sym_start[1024]; + char sym_end[1024]; + + snprintf(sym_start, sizeof(sym_start), "__%s_start", section_name + 1); + snprintf(sym_end, sizeof(sym_end), "__%s_end", section_name + 1); + + s = find_section(s1, section_name); + if (!s) { + end_offset = 0; + s = data_section; + } else { + end_offset = s->data_offset; + } + + add_elf_sym(symtab_section, + 0, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + s->sh_num, sym_start); + add_elf_sym(symtab_section, + end_offset, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + s->sh_num, sym_end); +} + +/* add tcc runtime libraries */ +static void tcc_add_runtime(TCCState *s1) +{ + char buf[1024]; + +#ifdef CONFIG_TCC_BCHECK + if (do_bounds_check) { + unsigned long *ptr; + Section *init_section; + unsigned char *pinit; + int sym_index; + + /* XXX: add an object file to do that */ + ptr = section_ptr_add(bounds_section, sizeof(unsigned long)); + *ptr = 0; + add_elf_sym(symtab_section, 0, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + bounds_section->sh_num, "__bounds_start"); + /* add bound check code */ + snprintf(buf, sizeof(buf), "%s/%s", tcc_lib_path, "bcheck.o"); + tcc_add_file(s1, buf); +#ifdef TCC_TARGET_I386 + if (s1->output_type != TCC_OUTPUT_MEMORY) { + /* add 'call __bound_init()' in .init section */ + init_section = find_section(s1, ".init"); + pinit = section_ptr_add(init_section, 5); + pinit[0] = 0xe8; + put32(pinit + 1, -4); + sym_index = find_elf_sym(symtab_section, "__bound_init"); + put_elf_reloc(symtab_section, init_section, + init_section->data_offset - 4, R_386_PC32, sym_index); + } +#endif + } +#endif + /* add libc */ + if (!s1->nostdlib) { + tcc_add_library(s1, "c"); + + snprintf(buf, sizeof(buf), "%s/%s", tcc_lib_path, "libtcc1.a"); + tcc_add_file(s1, buf); + } + /* add crt end if not memory output */ + if (s1->output_type != TCC_OUTPUT_MEMORY && !s1->nostdlib) { + tcc_add_file(s1, CONFIG_TCC_CRT_PREFIX "/crtn.o"); + } +} + +/* add various standard linker symbols (must be done after the + sections are filled (for example after allocating common + symbols)) */ +static void tcc_add_linker_symbols(TCCState *s1) +{ + char buf[1024]; + int i; + Section *s; + + add_elf_sym(symtab_section, + text_section->data_offset, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + text_section->sh_num, "_etext"); + add_elf_sym(symtab_section, + data_section->data_offset, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + data_section->sh_num, "_edata"); + add_elf_sym(symtab_section, + bss_section->data_offset, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + bss_section->sh_num, "_end"); + /* horrible new standard ldscript defines */ + add_init_array_defines(s1, ".preinit_array"); + add_init_array_defines(s1, ".init_array"); + add_init_array_defines(s1, ".fini_array"); + + /* add start and stop symbols for sections whose name can be + expressed in C */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if (s->sh_type == SHT_PROGBITS && + (s->sh_flags & SHF_ALLOC)) { + const char *p; + int ch; + + /* check if section name can be expressed in C */ + p = s->name; + for(;;) { + ch = *p; + if (!ch) + break; + if (!isid(ch) && !isnum(ch)) + goto next_sec; + p++; + } + snprintf(buf, sizeof(buf), "__start_%s", s->name); + add_elf_sym(symtab_section, + 0, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + s->sh_num, buf); + snprintf(buf, sizeof(buf), "__stop_%s", s->name); + add_elf_sym(symtab_section, + s->data_offset, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + s->sh_num, buf); + } + next_sec: ; + } +} + +/* name of ELF interpreter */ +#ifdef __FreeBSD__ +static char elf_interp[] = "/usr/libexec/ld-elf.so.1"; +#else +static char elf_interp[] = "/lib/ld-linux.so.2"; +#endif + +static void tcc_output_binary(TCCState *s1, FILE *f, + const int *section_order) +{ + Section *s; + int i, offset, size; + + offset = 0; + for(i=1;i<s1->nb_sections;i++) { + s = s1->sections[section_order[i]]; + if (s->sh_type != SHT_NOBITS && + (s->sh_flags & SHF_ALLOC)) { + while (offset < s->sh_offset) { + fputc(0, f); + offset++; + } + size = s->sh_size; + fwrite(s->data, 1, size, f); + offset += size; + } + } +} + +/* output an ELF file */ +/* XXX: suppress unneeded sections */ +int tcc_output_file(TCCState *s1, const char *filename) +{ + Elf32_Ehdr ehdr; + FILE *f; + int fd, mode, ret; + int *section_order; + int shnum, i, phnum, file_offset, offset, size, j, tmp, sh_order_index, k; + unsigned long addr; + Section *strsec, *s; + Elf32_Shdr shdr, *sh; + Elf32_Phdr *phdr, *ph; + Section *interp, *dynamic, *dynstr; + unsigned long saved_dynamic_data_offset; + Elf32_Sym *sym; + int type, file_type; + unsigned long rel_addr, rel_size; + + file_type = s1->output_type; + s1->nb_errors = 0; + + if (file_type != TCC_OUTPUT_OBJ) { + tcc_add_runtime(s1); + } + + phdr = NULL; + section_order = NULL; + interp = NULL; + dynamic = NULL; + dynstr = NULL; /* avoid warning */ + saved_dynamic_data_offset = 0; /* avoid warning */ + + if (file_type != TCC_OUTPUT_OBJ) { + relocate_common_syms(); + + tcc_add_linker_symbols(s1); + + if (!s1->static_link) { + const char *name; + int sym_index, index; + Elf32_Sym *esym, *sym_end; + + if (file_type == TCC_OUTPUT_EXE) { + char *ptr; + /* add interpreter section only if executable */ + interp = new_section(s1, ".interp", SHT_PROGBITS, SHF_ALLOC); + interp->sh_addralign = 1; + ptr = section_ptr_add(interp, sizeof(elf_interp)); + strcpy(ptr, elf_interp); + } + + /* add dynamic symbol table */ + s1->dynsym = new_symtab(s1, ".dynsym", SHT_DYNSYM, SHF_ALLOC, + ".dynstr", + ".hash", SHF_ALLOC); + dynstr = s1->dynsym->link; + + /* add dynamic section */ + dynamic = new_section(s1, ".dynamic", SHT_DYNAMIC, + SHF_ALLOC | SHF_WRITE); + dynamic->link = dynstr; + dynamic->sh_entsize = sizeof(Elf32_Dyn); + + /* add PLT */ + s1->plt = new_section(s1, ".plt", SHT_PROGBITS, + SHF_ALLOC | SHF_EXECINSTR); + s1->plt->sh_entsize = 4; + + build_got(s1); + + /* scan for undefined symbols and see if they are in the + dynamic symbols. If a symbol STT_FUNC is found, then we + add it in the PLT. If a symbol STT_OBJECT is found, we + add it in the .bss section with a suitable relocation */ + sym_end = (Elf32_Sym *)(symtab_section->data + + symtab_section->data_offset); + if (file_type == TCC_OUTPUT_EXE) { + for(sym = (Elf32_Sym *)symtab_section->data + 1; + sym < sym_end; + sym++) { + if (sym->st_shndx == SHN_UNDEF) { + name = symtab_section->link->data + sym->st_name; + sym_index = find_elf_sym(s1->dynsymtab_section, name); + if (sym_index) { + esym = &((Elf32_Sym *)s1->dynsymtab_section->data)[sym_index]; + type = ELF32_ST_TYPE(esym->st_info); + if (type == STT_FUNC) { + put_got_entry(s1, R_JMP_SLOT, esym->st_size, + esym->st_info, + sym - (Elf32_Sym *)symtab_section->data); + } else if (type == STT_OBJECT) { + unsigned long offset; + offset = bss_section->data_offset; + /* XXX: which alignment ? */ + offset = (offset + 16 - 1) & -16; + index = put_elf_sym(s1->dynsym, offset, esym->st_size, + esym->st_info, 0, + bss_section->sh_num, name); + put_elf_reloc(s1->dynsym, bss_section, + offset, R_COPY, index); + offset += esym->st_size; + bss_section->data_offset = offset; + } + } else { + /* STB_WEAK undefined symbols are accepted */ + /* XXX: _fp_hw seems to be part of the ABI, so we ignore + it */ + if (ELF32_ST_BIND(sym->st_info) == STB_WEAK || + !strcmp(name, "_fp_hw")) { + } else { + error_noabort("undefined symbol '%s'", name); + } + } + } else if (s1->rdynamic && + ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { + /* if -rdynamic option, then export all non + local symbols */ + name = symtab_section->link->data + sym->st_name; + put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, + sym->st_info, 0, + sym->st_shndx, name); + } + } + + if (s1->nb_errors) + goto fail; + + /* now look at unresolved dynamic symbols and export + corresponding symbol */ + sym_end = (Elf32_Sym *)(s1->dynsymtab_section->data + + s1->dynsymtab_section->data_offset); + for(esym = (Elf32_Sym *)s1->dynsymtab_section->data + 1; + esym < sym_end; + esym++) { + if (esym->st_shndx == SHN_UNDEF) { + name = s1->dynsymtab_section->link->data + esym->st_name; + sym_index = find_elf_sym(symtab_section, name); + if (sym_index) { + /* XXX: avoid adding a symbol if already + present because of -rdynamic ? */ + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, + sym->st_info, 0, + sym->st_shndx, name); + } else { + if (ELF32_ST_BIND(esym->st_info) == STB_WEAK) { + /* weak symbols can stay undefined */ + } else { + warning("undefined dynamic symbol '%s'", name); + } + } + } + } + } else { + int nb_syms; + /* shared library case : we simply export all the global symbols */ + nb_syms = symtab_section->data_offset / sizeof(Elf32_Sym); + s1->symtab_to_dynsym = tcc_mallocz(sizeof(int) * nb_syms); + for(sym = (Elf32_Sym *)symtab_section->data + 1; + sym < sym_end; + sym++) { + if (ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { + name = symtab_section->link->data + sym->st_name; + index = put_elf_sym(s1->dynsym, sym->st_value, sym->st_size, + sym->st_info, 0, + sym->st_shndx, name); + s1->symtab_to_dynsym[sym - + (Elf32_Sym *)symtab_section->data] = + index; + } + } + } + + build_got_entries(s1); + + /* add a list of needed dlls */ + for(i = 0; i < s1->nb_loaded_dlls; i++) { + DLLReference *dllref = s1->loaded_dlls[i]; + if (dllref->level == 0) + put_dt(dynamic, DT_NEEDED, put_elf_str(dynstr, dllref->name)); + } + /* XXX: currently, since we do not handle PIC code, we + must relocate the readonly segments */ + if (file_type == TCC_OUTPUT_DLL) + put_dt(dynamic, DT_TEXTREL, 0); + + /* add necessary space for other entries */ + saved_dynamic_data_offset = dynamic->data_offset; + dynamic->data_offset += 8 * 9; + } else { + /* still need to build got entries in case of static link */ + build_got_entries(s1); + } + } + + memset(&ehdr, 0, sizeof(ehdr)); + + /* we add a section for symbols */ + strsec = new_section(s1, ".shstrtab", SHT_STRTAB, 0); + put_elf_str(strsec, ""); + + /* compute number of sections */ + shnum = s1->nb_sections; + + /* this array is used to reorder sections in the output file */ + section_order = tcc_malloc(sizeof(int) * shnum); + section_order[0] = 0; + sh_order_index = 1; + + /* compute number of program headers */ + switch(file_type) { + default: + case TCC_OUTPUT_OBJ: + phnum = 0; + break; + case TCC_OUTPUT_EXE: + if (!s1->static_link) + phnum = 4; + else + phnum = 2; + break; + case TCC_OUTPUT_DLL: + phnum = 3; + break; + } + + /* allocate strings for section names and decide if an unallocated + section should be output */ + /* NOTE: the strsec section comes last, so its size is also + correct ! */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + s->sh_name = put_elf_str(strsec, s->name); + /* when generating a DLL, we include relocations but we may + patch them */ + if (file_type == TCC_OUTPUT_DLL && + s->sh_type == SHT_REL && + !(s->sh_flags & SHF_ALLOC)) { + prepare_dynamic_rel(s1, s); + } else if (do_debug || + file_type == TCC_OUTPUT_OBJ || + (s->sh_flags & SHF_ALLOC) || + i == (s1->nb_sections - 1)) { + /* we output all sections if debug or object file */ + s->sh_size = s->data_offset; + } + } + + /* allocate program segment headers */ + phdr = tcc_mallocz(phnum * sizeof(Elf32_Phdr)); + + if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { + file_offset = sizeof(Elf32_Ehdr) + phnum * sizeof(Elf32_Phdr); + } else { + file_offset = 0; + } + if (phnum > 0) { + /* compute section to program header mapping */ + if (s1->has_text_addr) { + int a_offset, p_offset; + addr = s1->text_addr; + /* we ensure that (addr % ELF_PAGE_SIZE) == file_offset % + ELF_PAGE_SIZE */ + a_offset = addr & (ELF_PAGE_SIZE - 1); + p_offset = file_offset & (ELF_PAGE_SIZE - 1); + if (a_offset < p_offset) + a_offset += ELF_PAGE_SIZE; + file_offset += (a_offset - p_offset); + } else { + if (file_type == TCC_OUTPUT_DLL) + addr = 0; + else + addr = ELF_START_ADDR; + /* compute address after headers */ + addr += (file_offset & (ELF_PAGE_SIZE - 1)); + } + + /* dynamic relocation table information, for .dynamic section */ + rel_size = 0; + rel_addr = 0; + + /* leave one program header for the program interpreter */ + ph = &phdr[0]; + if (interp) + ph++; + + for(j = 0; j < 2; j++) { + ph->p_type = PT_LOAD; + if (j == 0) + ph->p_flags = PF_R | PF_X; + else + ph->p_flags = PF_R | PF_W; + ph->p_align = ELF_PAGE_SIZE; + + /* we do the following ordering: interp, symbol tables, + relocations, progbits, nobits */ + /* XXX: do faster and simpler sorting */ + for(k = 0; k < 5; k++) { + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + /* compute if section should be included */ + if (j == 0) { + if ((s->sh_flags & (SHF_ALLOC | SHF_WRITE)) != + SHF_ALLOC) + continue; + } else { + if ((s->sh_flags & (SHF_ALLOC | SHF_WRITE)) != + (SHF_ALLOC | SHF_WRITE)) + continue; + } + if (s == interp) { + if (k != 0) + continue; + } else if (s->sh_type == SHT_DYNSYM || + s->sh_type == SHT_STRTAB || + s->sh_type == SHT_HASH) { + if (k != 1) + continue; + } else if (s->sh_type == SHT_REL) { + if (k != 2) + continue; + } else if (s->sh_type == SHT_NOBITS) { + if (k != 4) + continue; + } else { + if (k != 3) + continue; + } + section_order[sh_order_index++] = i; + + /* section matches: we align it and add its size */ + tmp = addr; + addr = (addr + s->sh_addralign - 1) & + ~(s->sh_addralign - 1); + file_offset += addr - tmp; + s->sh_offset = file_offset; + s->sh_addr = addr; + + /* update program header infos */ + if (ph->p_offset == 0) { + ph->p_offset = file_offset; + ph->p_vaddr = addr; + ph->p_paddr = ph->p_vaddr; + } + /* update dynamic relocation infos */ + if (s->sh_type == SHT_REL) { + if (rel_size == 0) + rel_addr = addr; + rel_size += s->sh_size; + } + addr += s->sh_size; + if (s->sh_type != SHT_NOBITS) + file_offset += s->sh_size; + } + } + ph->p_filesz = file_offset - ph->p_offset; + ph->p_memsz = addr - ph->p_vaddr; + ph++; + if (j == 0) { + if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { + /* if in the middle of a page, we duplicate the page in + memory so that one copy is RX and the other is RW */ + if ((addr & (ELF_PAGE_SIZE - 1)) != 0) + addr += ELF_PAGE_SIZE; + } else { + addr = (addr + ELF_PAGE_SIZE - 1) & ~(ELF_PAGE_SIZE - 1); + file_offset = (file_offset + ELF_PAGE_SIZE - 1) & + ~(ELF_PAGE_SIZE - 1); + } + } + } + + /* if interpreter, then add corresponing program header */ + if (interp) { + ph = &phdr[0]; + + ph->p_type = PT_INTERP; + ph->p_offset = interp->sh_offset; + ph->p_vaddr = interp->sh_addr; + ph->p_paddr = ph->p_vaddr; + ph->p_filesz = interp->sh_size; + ph->p_memsz = interp->sh_size; + ph->p_flags = PF_R; + ph->p_align = interp->sh_addralign; + } + + /* if dynamic section, then add corresponing program header */ + if (dynamic) { + Elf32_Sym *sym_end; + + ph = &phdr[phnum - 1]; + + ph->p_type = PT_DYNAMIC; + ph->p_offset = dynamic->sh_offset; + ph->p_vaddr = dynamic->sh_addr; + ph->p_paddr = ph->p_vaddr; + ph->p_filesz = dynamic->sh_size; + ph->p_memsz = dynamic->sh_size; + ph->p_flags = PF_R | PF_W; + ph->p_align = dynamic->sh_addralign; + + /* put GOT dynamic section address */ + put32(s1->got->data, dynamic->sh_addr); + + /* relocate the PLT */ + if (file_type == TCC_OUTPUT_EXE) { + uint8_t *p, *p_end; + + p = s1->plt->data; + p_end = p + s1->plt->data_offset; + if (p < p_end) { +#if defined(TCC_TARGET_I386) + put32(p + 2, get32(p + 2) + s1->got->sh_addr); + put32(p + 8, get32(p + 8) + s1->got->sh_addr); + p += 16; + while (p < p_end) { + put32(p + 2, get32(p + 2) + s1->got->sh_addr); + p += 16; + } +#elif defined(TCC_TARGET_ARM) + int x; + x=s1->got->sh_addr - s1->plt->sh_addr - 12; + p +=16; + while (p < p_end) { + put32(p + 12, x + get32(p + 12) + s1->plt->data - p); + p += 16; + } +#elif defined(TCC_TARGET_C67) + /* XXX: TODO */ +#else +#error unsupported CPU +#endif + } + } + + /* relocate symbols in .dynsym */ + sym_end = (Elf32_Sym *)(s1->dynsym->data + s1->dynsym->data_offset); + for(sym = (Elf32_Sym *)s1->dynsym->data + 1; + sym < sym_end; + sym++) { + if (sym->st_shndx == SHN_UNDEF) { + /* relocate to the PLT if the symbol corresponds + to a PLT entry */ + if (sym->st_value) + sym->st_value += s1->plt->sh_addr; + } else if (sym->st_shndx < SHN_LORESERVE) { + /* do symbol relocation */ + sym->st_value += s1->sections[sym->st_shndx]->sh_addr; + } + } + + /* put dynamic section entries */ + dynamic->data_offset = saved_dynamic_data_offset; + put_dt(dynamic, DT_HASH, s1->dynsym->hash->sh_addr); + put_dt(dynamic, DT_STRTAB, dynstr->sh_addr); + put_dt(dynamic, DT_SYMTAB, s1->dynsym->sh_addr); + put_dt(dynamic, DT_STRSZ, dynstr->data_offset); + put_dt(dynamic, DT_SYMENT, sizeof(Elf32_Sym)); + put_dt(dynamic, DT_REL, rel_addr); + put_dt(dynamic, DT_RELSZ, rel_size); + put_dt(dynamic, DT_RELENT, sizeof(Elf32_Rel)); + put_dt(dynamic, DT_NULL, 0); + } + + ehdr.e_phentsize = sizeof(Elf32_Phdr); + ehdr.e_phnum = phnum; + ehdr.e_phoff = sizeof(Elf32_Ehdr); + } + + /* all other sections come after */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if (phnum > 0 && (s->sh_flags & SHF_ALLOC)) + continue; + section_order[sh_order_index++] = i; + + file_offset = (file_offset + s->sh_addralign - 1) & + ~(s->sh_addralign - 1); + s->sh_offset = file_offset; + if (s->sh_type != SHT_NOBITS) + file_offset += s->sh_size; + } + + /* if building executable or DLL, then relocate each section + except the GOT which is already relocated */ + if (file_type != TCC_OUTPUT_OBJ) { + relocate_syms(s1, 0); + + if (s1->nb_errors != 0) { + fail: + ret = -1; + goto the_end; + } + + /* relocate sections */ + /* XXX: ignore sections with allocated relocations ? */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if (s->reloc && s != s1->got) + relocate_section(s1, s); + } + + /* relocate relocation entries if the relocation tables are + allocated in the executable */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if ((s->sh_flags & SHF_ALLOC) && + s->sh_type == SHT_REL) { + relocate_rel(s1, s); + } + } + + /* get entry point address */ + if (file_type == TCC_OUTPUT_EXE) + ehdr.e_entry = (unsigned long)tcc_get_symbol_err(s1, "_start"); + else + ehdr.e_entry = text_section->sh_addr; /* XXX: is it correct ? */ + } + + /* write elf file */ + if (file_type == TCC_OUTPUT_OBJ) + mode = 0666; + else + mode = 0777; + fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, mode); + if (fd < 0) { + error_noabort("could not write '%s'", filename); + goto fail; + } + f = fdopen(fd, "wb"); + +#ifdef TCC_TARGET_COFF + if (s1->output_format == TCC_OUTPUT_FORMAT_COFF) { + tcc_output_coff(s1, f); + } else +#endif + if (s1->output_format == TCC_OUTPUT_FORMAT_ELF) { + sort_syms(s1, symtab_section); + + /* align to 4 */ + file_offset = (file_offset + 3) & -4; + + /* fill header */ + ehdr.e_ident[0] = ELFMAG0; + ehdr.e_ident[1] = ELFMAG1; + ehdr.e_ident[2] = ELFMAG2; + ehdr.e_ident[3] = ELFMAG3; + ehdr.e_ident[4] = ELFCLASS32; + ehdr.e_ident[5] = ELFDATA2LSB; + ehdr.e_ident[6] = EV_CURRENT; +#ifdef __FreeBSD__ + ehdr.e_ident[EI_OSABI] = ELFOSABI_FREEBSD; +#endif +#ifdef TCC_TARGET_ARM + ehdr.e_ident[EI_OSABI] = ELFOSABI_ARM; +#endif + switch(file_type) { + default: + case TCC_OUTPUT_EXE: + ehdr.e_type = ET_EXEC; + break; + case TCC_OUTPUT_DLL: + ehdr.e_type = ET_DYN; + break; + case TCC_OUTPUT_OBJ: + ehdr.e_type = ET_REL; + break; + } + ehdr.e_machine = EM_TCC_TARGET; + ehdr.e_version = EV_CURRENT; + ehdr.e_shoff = file_offset; + ehdr.e_ehsize = sizeof(Elf32_Ehdr); + ehdr.e_shentsize = sizeof(Elf32_Shdr); + ehdr.e_shnum = shnum; + ehdr.e_shstrndx = shnum - 1; + + fwrite(&ehdr, 1, sizeof(Elf32_Ehdr), f); + fwrite(phdr, 1, phnum * sizeof(Elf32_Phdr), f); + offset = sizeof(Elf32_Ehdr) + phnum * sizeof(Elf32_Phdr); + + for(i=1;i<s1->nb_sections;i++) { + s = s1->sections[section_order[i]]; + if (s->sh_type != SHT_NOBITS) { + while (offset < s->sh_offset) { + fputc(0, f); + offset++; + } + size = s->sh_size; + fwrite(s->data, 1, size, f); + offset += size; + } + } + + /* output section headers */ + while (offset < ehdr.e_shoff) { + fputc(0, f); + offset++; + } + + for(i=0;i<s1->nb_sections;i++) { + sh = &shdr; + memset(sh, 0, sizeof(Elf32_Shdr)); + s = s1->sections[i]; + if (s) { + sh->sh_name = s->sh_name; + sh->sh_type = s->sh_type; + sh->sh_flags = s->sh_flags; + sh->sh_entsize = s->sh_entsize; + sh->sh_info = s->sh_info; + if (s->link) + sh->sh_link = s->link->sh_num; + sh->sh_addralign = s->sh_addralign; + sh->sh_addr = s->sh_addr; + sh->sh_offset = s->sh_offset; + sh->sh_size = s->sh_size; + } + fwrite(sh, 1, sizeof(Elf32_Shdr), f); + } + } else { + tcc_output_binary(s1, f, section_order); + } + fclose(f); + + ret = 0; + the_end: + tcc_free(s1->symtab_to_dynsym); + tcc_free(section_order); + tcc_free(phdr); + tcc_free(s1->got_offsets); + return ret; +} + +static void *load_data(int fd, unsigned long file_offset, unsigned long size) +{ + void *data; + + data = tcc_malloc(size); + lseek(fd, file_offset, SEEK_SET); + read(fd, data, size); + return data; +} + +typedef struct SectionMergeInfo { + Section *s; /* corresponding existing section */ + unsigned long offset; /* offset of the new section in the existing section */ + uint8_t new_section; /* true if section 's' was added */ + uint8_t link_once; /* true if link once section */ +} SectionMergeInfo; + +/* load an object file and merge it with current files */ +/* XXX: handle correctly stab (debug) info */ +static int tcc_load_object_file(TCCState *s1, + int fd, unsigned long file_offset) +{ + Elf32_Ehdr ehdr; + Elf32_Shdr *shdr, *sh; + int size, i, j, offset, offseti, nb_syms, sym_index, ret; + unsigned char *strsec, *strtab; + int *old_to_new_syms; + char *sh_name, *name; + SectionMergeInfo *sm_table, *sm; + Elf32_Sym *sym, *symtab; + Elf32_Rel *rel, *rel_end; + Section *s; + + if (read(fd, &ehdr, sizeof(ehdr)) != sizeof(ehdr)) + goto fail1; + if (ehdr.e_ident[0] != ELFMAG0 || + ehdr.e_ident[1] != ELFMAG1 || + ehdr.e_ident[2] != ELFMAG2 || + ehdr.e_ident[3] != ELFMAG3) + goto fail1; + /* test if object file */ + if (ehdr.e_type != ET_REL) + goto fail1; + /* test CPU specific stuff */ + if (ehdr.e_ident[5] != ELFDATA2LSB || + ehdr.e_machine != EM_TCC_TARGET) { + fail1: + error_noabort("invalid object file"); + return -1; + } + /* read sections */ + shdr = load_data(fd, file_offset + ehdr.e_shoff, + sizeof(Elf32_Shdr) * ehdr.e_shnum); + sm_table = tcc_mallocz(sizeof(SectionMergeInfo) * ehdr.e_shnum); + + /* load section names */ + sh = &shdr[ehdr.e_shstrndx]; + strsec = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); + + /* load symtab and strtab */ + old_to_new_syms = NULL; + symtab = NULL; + strtab = NULL; + nb_syms = 0; + for(i = 1; i < ehdr.e_shnum; i++) { + sh = &shdr[i]; + if (sh->sh_type == SHT_SYMTAB) { + if (symtab) { + error_noabort("object must contain only one symtab"); + fail: + ret = -1; + goto the_end; + } + nb_syms = sh->sh_size / sizeof(Elf32_Sym); + symtab = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); + sm_table[i].s = symtab_section; + + /* now load strtab */ + sh = &shdr[sh->sh_link]; + strtab = load_data(fd, file_offset + sh->sh_offset, sh->sh_size); + } + } + + /* now examine each section and try to merge its content with the + ones in memory */ + for(i = 1; i < ehdr.e_shnum; i++) { + /* no need to examine section name strtab */ + if (i == ehdr.e_shstrndx) + continue; + sh = &shdr[i]; + sh_name = strsec + sh->sh_name; + /* ignore sections types we do not handle */ + if (sh->sh_type != SHT_PROGBITS && + sh->sh_type != SHT_REL && + sh->sh_type != SHT_NOBITS) + continue; + if (sh->sh_addralign < 1) + sh->sh_addralign = 1; + /* find corresponding section, if any */ + for(j = 1; j < s1->nb_sections;j++) { + s = s1->sections[j]; + if (!strcmp(s->name, sh_name)) { + if (!strncmp(sh_name, ".gnu.linkonce", + sizeof(".gnu.linkonce") - 1)) { + /* if a 'linkonce' section is already present, we + do not add it again. It is a little tricky as + symbols can still be defined in + it. */ + sm_table[i].link_once = 1; + goto next; + } else { + goto found; + } + } + } + /* not found: create new section */ + s = new_section(s1, sh_name, sh->sh_type, sh->sh_flags); + /* take as much info as possible from the section. sh_link and + sh_info will be updated later */ + s->sh_addralign = sh->sh_addralign; + s->sh_entsize = sh->sh_entsize; + sm_table[i].new_section = 1; + found: + if (sh->sh_type != s->sh_type) { + error_noabort("invalid section type"); + goto fail; + } + + /* align start of section */ + offset = s->data_offset; + size = sh->sh_addralign - 1; + offset = (offset + size) & ~size; + if (sh->sh_addralign > s->sh_addralign) + s->sh_addralign = sh->sh_addralign; + s->data_offset = offset; + sm_table[i].offset = offset; + sm_table[i].s = s; + /* concatenate sections */ + size = sh->sh_size; + if (sh->sh_type != SHT_NOBITS) { + unsigned char *ptr; + lseek(fd, file_offset + sh->sh_offset, SEEK_SET); + ptr = section_ptr_add(s, size); + read(fd, ptr, size); + } else { + s->data_offset += size; + } + next: ; + } + + /* second short pass to update sh_link and sh_info fields of new + sections */ + sm = sm_table; + for(i = 1; i < ehdr.e_shnum; i++) { + s = sm_table[i].s; + if (!s || !sm_table[i].new_section) + continue; + sh = &shdr[i]; + if (sh->sh_link > 0) + s->link = sm_table[sh->sh_link].s; + if (sh->sh_type == SHT_REL) { + s->sh_info = sm_table[sh->sh_info].s->sh_num; + /* update backward link */ + s1->sections[s->sh_info]->reloc = s; + } + } + + /* resolve symbols */ + old_to_new_syms = tcc_mallocz(nb_syms * sizeof(int)); + + sym = symtab + 1; + for(i = 1; i < nb_syms; i++, sym++) { + if (sym->st_shndx != SHN_UNDEF && + sym->st_shndx < SHN_LORESERVE) { + sm = &sm_table[sym->st_shndx]; + if (sm->link_once) { + /* if a symbol is in a link once section, we use the + already defined symbol. It is very important to get + correct relocations */ + if (ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { + name = strtab + sym->st_name; + sym_index = find_elf_sym(symtab_section, name); + if (sym_index) + old_to_new_syms[i] = sym_index; + } + continue; + } + /* if no corresponding section added, no need to add symbol */ + if (!sm->s) + continue; + /* convert section number */ + sym->st_shndx = sm->s->sh_num; + /* offset value */ + sym->st_value += sm->offset; + } + /* add symbol */ + name = strtab + sym->st_name; + sym_index = add_elf_sym(symtab_section, sym->st_value, sym->st_size, + sym->st_info, sym->st_other, + sym->st_shndx, name); + old_to_new_syms[i] = sym_index; + } + + /* third pass to patch relocation entries */ + for(i = 1; i < ehdr.e_shnum; i++) { + s = sm_table[i].s; + if (!s) + continue; + sh = &shdr[i]; + offset = sm_table[i].offset; + switch(s->sh_type) { + case SHT_REL: + /* take relocation offset information */ + offseti = sm_table[sh->sh_info].offset; + rel_end = (Elf32_Rel *)(s->data + s->data_offset); + for(rel = (Elf32_Rel *)(s->data + offset); + rel < rel_end; + rel++) { + int type; + unsigned sym_index; + /* convert symbol index */ + type = ELF32_R_TYPE(rel->r_info); + sym_index = ELF32_R_SYM(rel->r_info); + /* NOTE: only one symtab assumed */ + if (sym_index >= nb_syms) + goto invalid_reloc; + sym_index = old_to_new_syms[sym_index]; + if (!sym_index) { + invalid_reloc: + error_noabort("Invalid relocation entry"); + goto fail; + } + rel->r_info = ELF32_R_INFO(sym_index, type); + /* offset the relocation offset */ + rel->r_offset += offseti; + } + break; + default: + break; + } + } + + ret = 0; + the_end: + tcc_free(symtab); + tcc_free(strtab); + tcc_free(old_to_new_syms); + tcc_free(sm_table); + tcc_free(strsec); + tcc_free(shdr); + return ret; +} + +#define ARMAG "!<arch>\012" /* For COFF and a.out archives */ + +typedef struct ArchiveHeader { + char ar_name[16]; /* name of this member */ + char ar_date[12]; /* file mtime */ + char ar_uid[6]; /* owner uid; printed as decimal */ + char ar_gid[6]; /* owner gid; printed as decimal */ + char ar_mode[8]; /* file mode, printed as octal */ + char ar_size[10]; /* file size, printed as decimal */ + char ar_fmag[2]; /* should contain ARFMAG */ +} ArchiveHeader; + +static int get_be32(const uint8_t *b) +{ + return b[3] | (b[2] << 8) | (b[1] << 16) | (b[0] << 24); +} + +/* load only the objects which resolve undefined symbols */ +static int tcc_load_alacarte(TCCState *s1, int fd, int size) +{ + int i, bound, nsyms, sym_index, off, ret; + uint8_t *data; + const char *ar_names, *p; + const uint8_t *ar_index; + Elf32_Sym *sym; + + data = tcc_malloc(size); + if (read(fd, data, size) != size) + goto fail; + nsyms = get_be32(data); + ar_index = data + 4; + ar_names = ar_index + nsyms * 4; + + do { + bound = 0; + for(p = ar_names, i = 0; i < nsyms; i++, p += strlen(p)+1) { + sym_index = find_elf_sym(symtab_section, p); + if(sym_index) { + sym = &((Elf32_Sym *)symtab_section->data)[sym_index]; + if(sym->st_shndx == SHN_UNDEF) { + off = get_be32(ar_index + i * 4) + sizeof(ArchiveHeader); +#if 0 + printf("%5d\t%s\t%08x\n", i, p, sym->st_shndx); +#endif + ++bound; + lseek(fd, off, SEEK_SET); + if(tcc_load_object_file(s1, fd, off) < 0) { + fail: + ret = -1; + goto the_end; + } + } + } + } + } while(bound); + ret = 0; + the_end: + tcc_free(data); + return ret; +} + +/* load a '.a' file */ +static int tcc_load_archive(TCCState *s1, int fd) +{ + ArchiveHeader hdr; + char ar_size[11]; + char ar_name[17]; + char magic[8]; + int size, len, i; + unsigned long file_offset; + + /* skip magic which was already checked */ + read(fd, magic, sizeof(magic)); + + for(;;) { + len = read(fd, &hdr, sizeof(hdr)); + if (len == 0) + break; + if (len != sizeof(hdr)) { + error_noabort("invalid archive"); + return -1; + } + memcpy(ar_size, hdr.ar_size, sizeof(hdr.ar_size)); + ar_size[sizeof(hdr.ar_size)] = '\0'; + size = strtol(ar_size, NULL, 0); + memcpy(ar_name, hdr.ar_name, sizeof(hdr.ar_name)); + for(i = sizeof(hdr.ar_name) - 1; i >= 0; i--) { + if (ar_name[i] != ' ') + break; + } + ar_name[i + 1] = '\0'; + // printf("name='%s' size=%d %s\n", ar_name, size, ar_size); + file_offset = lseek(fd, 0, SEEK_CUR); + /* align to even */ + size = (size + 1) & ~1; + if (!strcmp(ar_name, "/")) { + /* coff symbol table : we handle it */ + if(s1->alacarte_link) + return tcc_load_alacarte(s1, fd, size); + } else if (!strcmp(ar_name, "//") || + !strcmp(ar_name, "__.SYMDEF") || + !strcmp(ar_name, "__.SYMDEF/") || + !strcmp(ar_name, "ARFILENAMES/")) { + /* skip symbol table or archive names */ + } else { + if (tcc_load_object_file(s1, fd, file_offset) < 0) + return -1; + } + lseek(fd, file_offset + size, SEEK_SET); + } + return 0; +} + +/* load a DLL and all referenced DLLs. 'level = 0' means that the DLL + is referenced by the user (so it should be added as DT_NEEDED in + the generated ELF file) */ +static int tcc_load_dll(TCCState *s1, int fd, const char *filename, int level) +{ + Elf32_Ehdr ehdr; + Elf32_Shdr *shdr, *sh, *sh1; + int i, nb_syms, nb_dts, sym_bind, ret; + Elf32_Sym *sym, *dynsym; + Elf32_Dyn *dt, *dynamic; + unsigned char *dynstr; + const char *name, *soname, *p; + DLLReference *dllref; + + read(fd, &ehdr, sizeof(ehdr)); + + /* test CPU specific stuff */ + if (ehdr.e_ident[5] != ELFDATA2LSB || + ehdr.e_machine != EM_TCC_TARGET) { + error_noabort("bad architecture"); + return -1; + } + + /* read sections */ + shdr = load_data(fd, ehdr.e_shoff, sizeof(Elf32_Shdr) * ehdr.e_shnum); + + /* load dynamic section and dynamic symbols */ + nb_syms = 0; + nb_dts = 0; + dynamic = NULL; + dynsym = NULL; /* avoid warning */ + dynstr = NULL; /* avoid warning */ + for(i = 0, sh = shdr; i < ehdr.e_shnum; i++, sh++) { + switch(sh->sh_type) { + case SHT_DYNAMIC: + nb_dts = sh->sh_size / sizeof(Elf32_Dyn); + dynamic = load_data(fd, sh->sh_offset, sh->sh_size); + break; + case SHT_DYNSYM: + nb_syms = sh->sh_size / sizeof(Elf32_Sym); + dynsym = load_data(fd, sh->sh_offset, sh->sh_size); + sh1 = &shdr[sh->sh_link]; + dynstr = load_data(fd, sh1->sh_offset, sh1->sh_size); + break; + default: + break; + } + } + + /* compute the real library name */ + soname = filename; + p = strrchr(soname, '/'); + if (p) + soname = p + 1; + + for(i = 0, dt = dynamic; i < nb_dts; i++, dt++) { + if (dt->d_tag == DT_SONAME) { + soname = dynstr + dt->d_un.d_val; + } + } + + /* if the dll is already loaded, do not load it */ + for(i = 0; i < s1->nb_loaded_dlls; i++) { + dllref = s1->loaded_dlls[i]; + if (!strcmp(soname, dllref->name)) { + /* but update level if needed */ + if (level < dllref->level) + dllref->level = level; + ret = 0; + goto the_end; + } + } + + // printf("loading dll '%s'\n", soname); + + /* add the dll and its level */ + dllref = tcc_malloc(sizeof(DLLReference) + strlen(soname)); + dllref->level = level; + strcpy(dllref->name, soname); + dynarray_add((void ***)&s1->loaded_dlls, &s1->nb_loaded_dlls, dllref); + + /* add dynamic symbols in dynsym_section */ + for(i = 1, sym = dynsym + 1; i < nb_syms; i++, sym++) { + sym_bind = ELF32_ST_BIND(sym->st_info); + if (sym_bind == STB_LOCAL) + continue; + name = dynstr + sym->st_name; + add_elf_sym(s1->dynsymtab_section, sym->st_value, sym->st_size, + sym->st_info, sym->st_other, sym->st_shndx, name); + } + + /* load all referenced DLLs */ + for(i = 0, dt = dynamic; i < nb_dts; i++, dt++) { + switch(dt->d_tag) { + case DT_NEEDED: + name = dynstr + dt->d_un.d_val; + for(i = 0; i < s1->nb_loaded_dlls; i++) { + dllref = s1->loaded_dlls[i]; + if (!strcmp(name, dllref->name)) + goto already_loaded; + } + if (tcc_add_dll(s1, name, AFF_REFERENCED_DLL) < 0) { + error_noabort("referenced dll '%s' not found", name); + ret = -1; + goto the_end; + } + already_loaded: + break; + } + } + ret = 0; + the_end: + tcc_free(dynstr); + tcc_free(dynsym); + tcc_free(dynamic); + tcc_free(shdr); + return ret; +} + +#define LD_TOK_NAME 256 +#define LD_TOK_EOF (-1) + +/* return next ld script token */ +static int ld_next(TCCState *s1, char *name, int name_size) +{ + int c; + char *q; + + redo: + switch(ch) { + case ' ': + case '\t': + case '\f': + case '\v': + case '\r': + case '\n': + inp(); + goto redo; + case '/': + minp(); + if (ch == '*') { + file->buf_ptr = parse_comment(file->buf_ptr); + ch = file->buf_ptr[0]; + goto redo; + } else { + q = name; + *q++ = '/'; + goto parse_name; + } + break; + case 'a' ... 'z': + case 'A' ... 'Z': + case '_': + case '\\': + case '.': + case '$': + case '~': + q = name; + parse_name: + for(;;) { + if (!((ch >= 'a' && ch <= 'z') || + (ch >= 'A' && ch <= 'Z') || + (ch >= '0' && ch <= '9') || + strchr("/.-_+=$:\\,~", ch))) + break; + if ((q - name) < name_size - 1) { + *q++ = ch; + } + minp(); + } + *q = '\0'; + c = LD_TOK_NAME; + break; + case CH_EOF: + c = LD_TOK_EOF; + break; + default: + c = ch; + inp(); + break; + } +#if 0 + printf("tok=%c %d\n", c, c); + if (c == LD_TOK_NAME) + printf(" name=%s\n", name); +#endif + return c; +} + +/* interpret a subset of GNU ldscripts to handle the dummy libc.so + files */ +static int tcc_load_ldscript(TCCState *s1) +{ + char cmd[64]; + char filename[1024]; + int t; + + ch = file->buf_ptr[0]; + ch = handle_eob(); + for(;;) { + t = ld_next(s1, cmd, sizeof(cmd)); + if (t == LD_TOK_EOF) + return 0; + else if (t != LD_TOK_NAME) + return -1; + if (!strcmp(cmd, "INPUT") || + !strcmp(cmd, "GROUP")) { + t = ld_next(s1, cmd, sizeof(cmd)); + if (t != '(') + expect("("); + t = ld_next(s1, filename, sizeof(filename)); + for(;;) { + if (t == LD_TOK_EOF) { + error_noabort("unexpected end of file"); + return -1; + } else if (t == ')') { + break; + } else if (t != LD_TOK_NAME) { + error_noabort("filename expected"); + return -1; + } + tcc_add_file(s1, filename); + t = ld_next(s1, filename, sizeof(filename)); + if (t == ',') { + t = ld_next(s1, filename, sizeof(filename)); + } + } + } else if (!strcmp(cmd, "OUTPUT_FORMAT") || + !strcmp(cmd, "TARGET")) { + /* ignore some commands */ + t = ld_next(s1, cmd, sizeof(cmd)); + if (t != '(') + expect("("); + for(;;) { + t = ld_next(s1, filename, sizeof(filename)); + if (t == LD_TOK_EOF) { + error_noabort("unexpected end of file"); + return -1; + } else if (t == ')') { + break; + } + } + } else { + return -1; + } + } + return 0; +} +//--------------------------------------------------------------------------- + +#ifdef TCC_TARGET_COFF +#include "tcccoff.c" +#endif + +#ifdef TCC_TARGET_PE +#include "tccpe.c" +#endif + +/* print the position in the source file of PC value 'pc' by reading + the stabs debug information */ +static void rt_printline(unsigned long wanted_pc) +{ + Stab_Sym *sym, *sym_end; + char func_name[128], last_func_name[128]; + unsigned long func_addr, last_pc, pc; + const char *incl_files[INCLUDE_STACK_SIZE]; + int incl_index, len, last_line_num, i; + const char *str, *p; + + fprintf(stderr, "0x%08lx:", wanted_pc); + + func_name[0] = '\0'; + func_addr = 0; + incl_index = 0; + last_func_name[0] = '\0'; + last_pc = 0xffffffff; + last_line_num = 1; + sym = (Stab_Sym *)stab_section->data + 1; + sym_end = (Stab_Sym *)(stab_section->data + stab_section->data_offset); + while (sym < sym_end) { + switch(sym->n_type) { + /* function start or end */ + case N_FUN: + if (sym->n_strx == 0) { + /* we test if between last line and end of function */ + pc = sym->n_value + func_addr; + if (wanted_pc >= last_pc && wanted_pc < pc) + goto found; + func_name[0] = '\0'; + func_addr = 0; + } else { + str = stabstr_section->data + sym->n_strx; + p = strchr(str, ':'); + if (!p) { + pstrcpy(func_name, sizeof(func_name), str); + } else { + len = p - str; + if (len > sizeof(func_name) - 1) + len = sizeof(func_name) - 1; + memcpy(func_name, str, len); + func_name[len] = '\0'; + } + func_addr = sym->n_value; + } + break; + /* line number info */ + case N_SLINE: + pc = sym->n_value + func_addr; + if (wanted_pc >= last_pc && wanted_pc < pc) + goto found; + last_pc = pc; + last_line_num = sym->n_desc; + /* XXX: slow! */ + strcpy(last_func_name, func_name); + break; + /* include files */ + case N_BINCL: + str = stabstr_section->data + sym->n_strx; + add_incl: + if (incl_index < INCLUDE_STACK_SIZE) { + incl_files[incl_index++] = str; + } + break; + case N_EINCL: + if (incl_index > 1) + incl_index--; + break; + case N_SO: + if (sym->n_strx == 0) { + incl_index = 0; /* end of translation unit */ + } else { + str = stabstr_section->data + sym->n_strx; + /* do not add path */ + len = strlen(str); + if (len > 0 && str[len - 1] != '/') + goto add_incl; + } + break; + } + sym++; + } + + /* second pass: we try symtab symbols (no line number info) */ + incl_index = 0; + { + Elf32_Sym *sym, *sym_end; + int type; + + sym_end = (Elf32_Sym *)(symtab_section->data + symtab_section->data_offset); + for(sym = (Elf32_Sym *)symtab_section->data + 1; + sym < sym_end; + sym++) { + type = ELF32_ST_TYPE(sym->st_info); + if (type == STT_FUNC) { + if (wanted_pc >= sym->st_value && + wanted_pc < sym->st_value + sym->st_size) { + pstrcpy(last_func_name, sizeof(last_func_name), + strtab_section->data + sym->st_name); + goto found; + } + } + } + } + /* did not find any info: */ + fprintf(stderr, " ???\n"); + return; + found: + if (last_func_name[0] != '\0') { + fprintf(stderr, " %s()", last_func_name); + } + if (incl_index > 0) { + fprintf(stderr, " (%s:%d", + incl_files[incl_index - 1], last_line_num); + for(i = incl_index - 2; i >= 0; i--) + fprintf(stderr, ", included from %s", incl_files[i]); + fprintf(stderr, ")"); + } + fprintf(stderr, "\n"); +} + +#if !defined(WIN32) && !defined(CONFIG_TCCBOOT) + +#ifdef __i386__ + +/* fix for glibc 2.1 */ +#ifndef REG_EIP +#define REG_EIP EIP +#define REG_EBP EBP +#endif + +/* return the PC at frame level 'level'. Return non zero if not found */ +static int rt_get_caller_pc(unsigned long *paddr, + ucontext_t *uc, int level) +{ + unsigned long fp; + int i; + + if (level == 0) { +#if defined(__FreeBSD__) + *paddr = uc->uc_mcontext.mc_eip; +#elif defined(__dietlibc__) + *paddr = uc->uc_mcontext.eip; +#else + *paddr = uc->uc_mcontext.gregs[REG_EIP]; +#endif + return 0; + } else { +#if defined(__FreeBSD__) + fp = uc->uc_mcontext.mc_ebp; +#elif defined(__dietlibc__) + fp = uc->uc_mcontext.ebp; +#else + fp = uc->uc_mcontext.gregs[REG_EBP]; +#endif + for(i=1;i<level;i++) { + /* XXX: check address validity with program info */ + if (fp <= 0x1000 || fp >= 0xc0000000) + return -1; + fp = ((unsigned long *)fp)[0]; + } + *paddr = ((unsigned long *)fp)[1]; + return 0; + } +} +#else + +#warning add arch specific rt_get_caller_pc() + +static int rt_get_caller_pc(unsigned long *paddr, + ucontext_t *uc, int level) +{ + return -1; +} +#endif + +/* emit a run time error at position 'pc' */ +void rt_error(ucontext_t *uc, const char *fmt, ...) +{ + va_list ap; + unsigned long pc; + int i; + + va_start(ap, fmt); + fprintf(stderr, "Runtime error: "); + vfprintf(stderr, fmt, ap); + fprintf(stderr, "\n"); + for(i=0;i<num_callers;i++) { + if (rt_get_caller_pc(&pc, uc, i) < 0) + break; + if (i == 0) + fprintf(stderr, "at "); + else + fprintf(stderr, "by "); + rt_printline(pc); + } + exit(255); + va_end(ap); +} + +/* signal handler for fatal errors */ +static void sig_error(int signum, siginfo_t *siginf, void *puc) +{ + ucontext_t *uc = puc; + + switch(signum) { + case SIGFPE: + switch(siginf->si_code) { + case FPE_INTDIV: + case FPE_FLTDIV: + rt_error(uc, "division by zero"); + break; + default: + rt_error(uc, "floating point exception"); + break; + } + break; + case SIGBUS: + case SIGSEGV: + if (rt_bound_error_msg && *rt_bound_error_msg) + rt_error(uc, *rt_bound_error_msg); + else + rt_error(uc, "dereferencing invalid pointer"); + break; + case SIGILL: + rt_error(uc, "illegal instruction"); + break; + case SIGABRT: + rt_error(uc, "abort() called"); + break; + default: + rt_error(uc, "caught signal %d", signum); + break; + } + exit(255); +} +#endif + +/* do all relocations (needed before using tcc_get_symbol()) */ +int tcc_relocate(TCCState *s1) +{ + Section *s; + int i; + + s1->nb_errors = 0; + +#ifdef TCC_TARGET_PE + pe_add_runtime(s1); +#else + tcc_add_runtime(s1); +#endif + + relocate_common_syms(); + + tcc_add_linker_symbols(s1); + + build_got_entries(s1); + + /* compute relocation address : section are relocated in place. We + also alloc the bss space */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if (s->sh_flags & SHF_ALLOC) { + if (s->sh_type == SHT_NOBITS) + s->data = tcc_mallocz(s->data_offset); + s->sh_addr = (unsigned long)s->data; + } + } + + relocate_syms(s1, 1); + + if (s1->nb_errors != 0) + return -1; + + /* relocate each section */ + for(i = 1; i < s1->nb_sections; i++) { + s = s1->sections[i]; + if (s->reloc) + relocate_section(s1, s); + } + return 0; +} + +/* launch the compiled program with the given arguments */ +int tcc_run(TCCState *s1, int argc, char **argv) +{ + int (*prog_main)(int, char **); + + if (tcc_relocate(s1) < 0) + return -1; + + prog_main = tcc_get_symbol_err(s1, "main"); + + if (do_debug) { +#if defined(WIN32) || defined(CONFIG_TCCBOOT) + error("debug mode currently not available for Windows"); +#else + struct sigaction sigact; + /* install TCC signal handlers to print debug info on fatal + runtime errors */ + sigact.sa_flags = SA_SIGINFO | SA_RESETHAND; + sigact.sa_sigaction = sig_error; + sigemptyset(&sigact.sa_mask); + sigaction(SIGFPE, &sigact, NULL); + sigaction(SIGILL, &sigact, NULL); + sigaction(SIGSEGV, &sigact, NULL); + sigaction(SIGBUS, &sigact, NULL); + sigaction(SIGABRT, &sigact, NULL); +#endif + } + +#ifdef CONFIG_TCC_BCHECK + if (do_bounds_check) { + void (*bound_init)(void); + + /* set error function */ + rt_bound_error_msg = (void *)tcc_get_symbol_err(s1, + "__bound_error_msg"); + + /* XXX: use .init section so that it also work in binary ? */ + bound_init = (void *)tcc_get_symbol_err(s1, "__bound_init"); + bound_init(); + } +#endif + return (*prog_main)(argc, argv); +} + +TCCState *tcc_new(void) +{ + const char *p, *r; + TCCState *s; + TokenSym *ts; + int i, c; + + s = tcc_mallocz(sizeof(TCCState)); + if (!s) + return NULL; + tcc_state = s; + s->output_type = TCC_OUTPUT_MEMORY; + + /* init isid table */ + for(i=0;i<256;i++) + isidnum_table[i] = isid(i) || isnum(i); + + /* add all tokens */ + table_ident = NULL; + memset(hash_ident, 0, TOK_HASH_SIZE * sizeof(TokenSym *)); + + tok_ident = TOK_IDENT; + p = tcc_keywords; + while (*p) { + r = p; + for(;;) { + c = *r++; + if (c == '\0') + break; + } + ts = tok_alloc(p, r - p - 1); + p = r; + } + + /* we add dummy defines for some special macros to speed up tests + and to have working defined() */ + define_push(TOK___LINE__, MACRO_OBJ, NULL, NULL); + define_push(TOK___FILE__, MACRO_OBJ, NULL, NULL); + define_push(TOK___DATE__, MACRO_OBJ, NULL, NULL); + define_push(TOK___TIME__, MACRO_OBJ, NULL, NULL); + + /* standard defines */ + tcc_define_symbol(s, "__STDC__", NULL); +#if defined(TCC_TARGET_I386) + tcc_define_symbol(s, "__i386__", NULL); +#endif +#if defined(TCC_TARGET_ARM) + tcc_define_symbol(s, "__ARM_ARCH_4__", NULL); + tcc_define_symbol(s, "__arm_elf__", NULL); + tcc_define_symbol(s, "__arm_elf", NULL); + tcc_define_symbol(s, "arm_elf", NULL); + tcc_define_symbol(s, "__arm__", NULL); + tcc_define_symbol(s, "__arm", NULL); + tcc_define_symbol(s, "arm", NULL); + tcc_define_symbol(s, "__APCS_32__", NULL); +#endif +#if defined(linux) + tcc_define_symbol(s, "__linux__", NULL); + tcc_define_symbol(s, "linux", NULL); +#endif + /* tiny C specific defines */ + tcc_define_symbol(s, "__TINYC__", NULL); + + /* tiny C & gcc defines */ + tcc_define_symbol(s, "__SIZE_TYPE__", "unsigned int"); + tcc_define_symbol(s, "__PTRDIFF_TYPE__", "int"); + tcc_define_symbol(s, "__WCHAR_TYPE__", "int"); + + /* default library paths */ +#ifdef TCC_TARGET_PE + { + char buf[1024]; + snprintf(buf, sizeof(buf), "%s/lib", tcc_lib_path); + tcc_add_library_path(s, buf); + } +#else + tcc_add_library_path(s, "/usr/local/lib"); + tcc_add_library_path(s, "/usr/lib"); + tcc_add_library_path(s, "/lib"); +#endif + + /* no section zero */ + dynarray_add((void ***)&s->sections, &s->nb_sections, NULL); + + /* create standard sections */ + text_section = new_section(s, ".text", SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR); + data_section = new_section(s, ".data", SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); + bss_section = new_section(s, ".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE); + + /* symbols are always generated for linking stage */ + symtab_section = new_symtab(s, ".symtab", SHT_SYMTAB, 0, + ".strtab", + ".hashtab", SHF_PRIVATE); + strtab_section = symtab_section->link; + + /* private symbol table for dynamic symbols */ + s->dynsymtab_section = new_symtab(s, ".dynsymtab", SHT_SYMTAB, SHF_PRIVATE, + ".dynstrtab", + ".dynhashtab", SHF_PRIVATE); + s->alacarte_link = 1; + +#ifdef CHAR_IS_UNSIGNED + s->char_is_unsigned = 1; +#endif +#if defined(TCC_TARGET_PE) && 0 + /* XXX: currently the PE linker is not ready to support that */ + s->leading_underscore = 1; +#endif + return s; +} + +void tcc_delete(TCCState *s1) +{ + int i, n; + + /* free -D defines */ + free_defines(NULL); + + /* free tokens */ + n = tok_ident - TOK_IDENT; + for(i = 0; i < n; i++) + tcc_free(table_ident[i]); + tcc_free(table_ident); + + /* free all sections */ + + free_section(symtab_section->hash); + + free_section(s1->dynsymtab_section->hash); + free_section(s1->dynsymtab_section->link); + free_section(s1->dynsymtab_section); + + for(i = 1; i < s1->nb_sections; i++) + free_section(s1->sections[i]); + tcc_free(s1->sections); + + /* free loaded dlls array */ + for(i = 0; i < s1->nb_loaded_dlls; i++) + tcc_free(s1->loaded_dlls[i]); + tcc_free(s1->loaded_dlls); + + /* library paths */ + for(i = 0; i < s1->nb_library_paths; i++) + tcc_free(s1->library_paths[i]); + tcc_free(s1->library_paths); + + /* cached includes */ + for(i = 0; i < s1->nb_cached_includes; i++) + tcc_free(s1->cached_includes[i]); + tcc_free(s1->cached_includes); + + for(i = 0; i < s1->nb_include_paths; i++) + tcc_free(s1->include_paths[i]); + tcc_free(s1->include_paths); + + for(i = 0; i < s1->nb_sysinclude_paths; i++) + tcc_free(s1->sysinclude_paths[i]); + tcc_free(s1->sysinclude_paths); + + tcc_free(s1); +} + +int tcc_add_include_path(TCCState *s1, const char *pathname) +{ + char *pathname1; + + pathname1 = tcc_strdup(pathname); + dynarray_add((void ***)&s1->include_paths, &s1->nb_include_paths, pathname1); + return 0; +} + +int tcc_add_sysinclude_path(TCCState *s1, const char *pathname) +{ + char *pathname1; + + pathname1 = tcc_strdup(pathname); + dynarray_add((void ***)&s1->sysinclude_paths, &s1->nb_sysinclude_paths, pathname1); + return 0; +} + +static int tcc_add_file_internal(TCCState *s1, const char *filename, int flags) +{ + const char *ext, *filename1; + Elf32_Ehdr ehdr; + int fd, ret; + BufferedFile *saved_file; + + /* find source file type with extension */ + filename1 = strrchr(filename, '/'); + if (filename1) + filename1++; + else + filename1 = filename; + ext = strrchr(filename1, '.'); + if (ext) + ext++; + + /* open the file */ + saved_file = file; + file = tcc_open(s1, filename); + if (!file) { + if (flags & AFF_PRINT_ERROR) { + error_noabort("file '%s' not found", filename); + } + ret = -1; + goto fail1; + } + + if (!ext || !strcmp(ext, "c")) { + /* C file assumed */ + ret = tcc_compile(s1); + } else +#ifdef CONFIG_TCC_ASM + if (!strcmp(ext, "S")) { + /* preprocessed assembler */ + ret = tcc_assemble(s1, 1); + } else if (!strcmp(ext, "s")) { + /* non preprocessed assembler */ + ret = tcc_assemble(s1, 0); + } else +#endif +#ifdef TCC_TARGET_PE + if (!strcmp(ext, "def")) { + ret = pe_load_def_file(s1, fdopen(file->fd, "rb")); + } else +#endif + { + fd = file->fd; + /* assume executable format: auto guess file type */ + ret = read(fd, &ehdr, sizeof(ehdr)); + lseek(fd, 0, SEEK_SET); + if (ret <= 0) { + error_noabort("could not read header"); + goto fail; + } else if (ret != sizeof(ehdr)) { + goto try_load_script; + } + + if (ehdr.e_ident[0] == ELFMAG0 && + ehdr.e_ident[1] == ELFMAG1 && + ehdr.e_ident[2] == ELFMAG2 && + ehdr.e_ident[3] == ELFMAG3) { + file->line_num = 0; /* do not display line number if error */ + if (ehdr.e_type == ET_REL) { + ret = tcc_load_object_file(s1, fd, 0); + } else if (ehdr.e_type == ET_DYN) { + if (s1->output_type == TCC_OUTPUT_MEMORY) { +#ifdef TCC_TARGET_PE + ret = -1; +#else + void *h; + h = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY); + if (h) + ret = 0; + else + ret = -1; +#endif + } else { + ret = tcc_load_dll(s1, fd, filename, + (flags & AFF_REFERENCED_DLL) != 0); + } + } else { + error_noabort("unrecognized ELF file"); + goto fail; + } + } else if (memcmp((char *)&ehdr, ARMAG, 8) == 0) { + file->line_num = 0; /* do not display line number if error */ + ret = tcc_load_archive(s1, fd); + } else +#ifdef TCC_TARGET_COFF + if (*(uint16_t *)(&ehdr) == COFF_C67_MAGIC) { + ret = tcc_load_coff(s1, fd); + } else +#endif + { + /* as GNU ld, consider it is an ld script if not recognized */ + try_load_script: + ret = tcc_load_ldscript(s1); + if (ret < 0) { + error_noabort("unrecognized file type"); + goto fail; + } + } + } + the_end: + tcc_close(file); + fail1: + file = saved_file; + return ret; + fail: + ret = -1; + goto the_end; +} + +int tcc_add_file(TCCState *s, const char *filename) +{ + return tcc_add_file_internal(s, filename, AFF_PRINT_ERROR); +} + +int tcc_add_library_path(TCCState *s, const char *pathname) +{ + char *pathname1; + + pathname1 = tcc_strdup(pathname); + dynarray_add((void ***)&s->library_paths, &s->nb_library_paths, pathname1); + return 0; +} + +/* find and load a dll. Return non zero if not found */ +/* XXX: add '-rpath' option support ? */ +static int tcc_add_dll(TCCState *s, const char *filename, int flags) +{ + char buf[1024]; + int i; + + for(i = 0; i < s->nb_library_paths; i++) { + snprintf(buf, sizeof(buf), "%s/%s", + s->library_paths[i], filename); + if (tcc_add_file_internal(s, buf, flags) == 0) + return 0; + } + return -1; +} + +/* the library name is the same as the argument of the '-l' option */ +int tcc_add_library(TCCState *s, const char *libraryname) +{ + char buf[1024]; + int i; + + /* first we look for the dynamic library if not static linking */ + if (!s->static_link) { +#ifdef TCC_TARGET_PE + snprintf(buf, sizeof(buf), "%s.def", libraryname); +#else + snprintf(buf, sizeof(buf), "lib%s.so", libraryname); +#endif + if (tcc_add_dll(s, buf, 0) == 0) + return 0; + } + + /* then we look for the static library */ + for(i = 0; i < s->nb_library_paths; i++) { + snprintf(buf, sizeof(buf), "%s/lib%s.a", + s->library_paths[i], libraryname); + if (tcc_add_file_internal(s, buf, 0) == 0) + return 0; + } + return -1; +} + +int tcc_add_symbol(TCCState *s, const char *name, unsigned long val) +{ + add_elf_sym(symtab_section, val, 0, + ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, + SHN_ABS, name); + return 0; +} + +int tcc_set_output_type(TCCState *s, int output_type) +{ + s->output_type = output_type; + + if (!s->nostdinc) { + char buf[1024]; + + /* default include paths */ + /* XXX: reverse order needed if -isystem support */ +#ifndef TCC_TARGET_PE + tcc_add_sysinclude_path(s, "/usr/local/include"); + tcc_add_sysinclude_path(s, "/usr/include"); +#endif + snprintf(buf, sizeof(buf), "%s/include", tcc_lib_path); + tcc_add_sysinclude_path(s, buf); +#ifdef TCC_TARGET_PE + snprintf(buf, sizeof(buf), "%s/include/winapi", tcc_lib_path); + tcc_add_sysinclude_path(s, buf); +#endif + } + + /* if bound checking, then add corresponding sections */ +#ifdef CONFIG_TCC_BCHECK + if (do_bounds_check) { + /* define symbol */ + tcc_define_symbol(s, "__BOUNDS_CHECKING_ON", NULL); + /* create bounds sections */ + bounds_section = new_section(s, ".bounds", + SHT_PROGBITS, SHF_ALLOC); + lbounds_section = new_section(s, ".lbounds", + SHT_PROGBITS, SHF_ALLOC); + } +#endif + + if (s->char_is_unsigned) { + tcc_define_symbol(s, "__CHAR_UNSIGNED__", NULL); + } + + /* add debug sections */ + if (do_debug) { + /* stab symbols */ + stab_section = new_section(s, ".stab", SHT_PROGBITS, 0); + stab_section->sh_entsize = sizeof(Stab_Sym); + stabstr_section = new_section(s, ".stabstr", SHT_STRTAB, 0); + put_elf_str(stabstr_section, ""); + stab_section->link = stabstr_section; + /* put first entry */ + put_stabs("", 0, 0, 0, 0); + } + + /* add libc crt1/crti objects */ +#ifndef TCC_TARGET_PE + if ((output_type == TCC_OUTPUT_EXE || output_type == TCC_OUTPUT_DLL) && + !s->nostdlib) { + if (output_type != TCC_OUTPUT_DLL) + tcc_add_file(s, CONFIG_TCC_CRT_PREFIX "/crt1.o"); + tcc_add_file(s, CONFIG_TCC_CRT_PREFIX "/crti.o"); + } +#endif + return 0; +} + +#define WD_ALL 0x0001 /* warning is activated when using -Wall */ +#define FD_INVERT 0x0002 /* invert value before storing */ + +typedef struct FlagDef { + uint16_t offset; + uint16_t flags; + const char *name; +} FlagDef; + +static const FlagDef warning_defs[] = { + { offsetof(TCCState, warn_unsupported), 0, "unsupported" }, + { offsetof(TCCState, warn_write_strings), 0, "write-strings" }, + { offsetof(TCCState, warn_error), 0, "error" }, + { offsetof(TCCState, warn_implicit_function_declaration), WD_ALL, + "implicit-function-declaration" }, +}; + +static int set_flag(TCCState *s, const FlagDef *flags, int nb_flags, + const char *name, int value) +{ + int i; + const FlagDef *p; + const char *r; + + r = name; + if (r[0] == 'n' && r[1] == 'o' && r[2] == '-') { + r += 3; + value = !value; + } + for(i = 0, p = flags; i < nb_flags; i++, p++) { + if (!strcmp(r, p->name)) + goto found; + } + return -1; + found: + if (p->flags & FD_INVERT) + value = !value; + *(int *)((uint8_t *)s + p->offset) = value; + return 0; +} + + +/* set/reset a warning */ +int tcc_set_warning(TCCState *s, const char *warning_name, int value) +{ + int i; + const FlagDef *p; + + if (!strcmp(warning_name, "all")) { + for(i = 0, p = warning_defs; i < countof(warning_defs); i++, p++) { + if (p->flags & WD_ALL) + *(int *)((uint8_t *)s + p->offset) = 1; + } + return 0; + } else { + return set_flag(s, warning_defs, countof(warning_defs), + warning_name, value); + } +} + +static const FlagDef flag_defs[] = { + { offsetof(TCCState, char_is_unsigned), 0, "unsigned-char" }, + { offsetof(TCCState, char_is_unsigned), FD_INVERT, "signed-char" }, + { offsetof(TCCState, nocommon), FD_INVERT, "common" }, + { offsetof(TCCState, leading_underscore), 0, "leading-underscore" }, +}; + +/* set/reset a flag */ +int tcc_set_flag(TCCState *s, const char *flag_name, int value) +{ + return set_flag(s, flag_defs, countof(flag_defs), + flag_name, value); +} + +#if !defined(LIBTCC) + +/* extract the basename of a file */ +static const char *tcc_basename(const char *name) +{ + const char *p; + p = strrchr(name, '/'); +#ifdef WIN32 + if (!p) + p = strrchr(name, '\\'); +#endif + if (!p) + p = name; + else + p++; + return p; +} + +static int64_t getclock_us(void) +{ +#ifdef WIN32 + struct _timeb tb; + _ftime(&tb); + return (tb.time * 1000LL + tb.millitm) * 1000LL; +#else + struct timeval tv; + gettimeofday(&tv, NULL); + return tv.tv_sec * 1000000LL + tv.tv_usec; +#endif +} + +void help(void) +{ + printf("tcc version " TCC_VERSION " - Tiny C Compiler - Copyright (C) 2001-2005 Fabrice Bellard\n" + "usage: tcc [-v] [-c] [-o outfile] [-Bdir] [-bench] [-Idir] [-Dsym[=val]] [-Usym]\n" + " [-Wwarn] [-g] [-b] [-bt N] [-Ldir] [-llib] [-shared] [-static]\n" + " [infile1 infile2...] [-run infile args...]\n" + "\n" + "General options:\n" + " -v display current version\n" + " -c compile only - generate an object file\n" + " -o outfile set output filename\n" + " -Bdir set tcc internal library path\n" + " -bench output compilation statistics\n" + " -run run compiled source\n" + " -fflag set or reset (with 'no-' prefix) 'flag' (see man page)\n" + " -Wwarning set or reset (with 'no-' prefix) 'warning' (see man page)\n" + " -w disable all warnings\n" + "Preprocessor options:\n" + " -Idir add include path 'dir'\n" + " -Dsym[=val] define 'sym' with value 'val'\n" + " -Usym undefine 'sym'\n" + "Linker options:\n" + " -Ldir add library path 'dir'\n" + " -llib link with dynamic or static library 'lib'\n" + " -shared generate a shared library\n" + " -static static linking\n" + " -rdynamic export all global symbols to dynamic linker\n" + " -r relocatable output\n" + "Debugger options:\n" + " -g generate runtime debug info\n" +#ifdef CONFIG_TCC_BCHECK + " -b compile with built-in memory and bounds checker (implies -g)\n" +#endif + " -bt N show N callers in stack traces\n" + ); +} + +#define TCC_OPTION_HAS_ARG 0x0001 +#define TCC_OPTION_NOSEP 0x0002 /* cannot have space before option and arg */ + +typedef struct TCCOption { + const char *name; + uint16_t index; + uint16_t flags; +} TCCOption; + +enum { + TCC_OPTION_HELP, + TCC_OPTION_I, + TCC_OPTION_D, + TCC_OPTION_U, + TCC_OPTION_L, + TCC_OPTION_B, + TCC_OPTION_l, + TCC_OPTION_bench, + TCC_OPTION_bt, + TCC_OPTION_b, + TCC_OPTION_g, + TCC_OPTION_c, + TCC_OPTION_static, + TCC_OPTION_shared, + TCC_OPTION_o, + TCC_OPTION_r, + TCC_OPTION_Wl, + TCC_OPTION_W, + TCC_OPTION_O, + TCC_OPTION_m, + TCC_OPTION_f, + TCC_OPTION_nostdinc, + TCC_OPTION_nostdlib, + TCC_OPTION_print_search_dirs, + TCC_OPTION_rdynamic, + TCC_OPTION_run, + TCC_OPTION_v, + TCC_OPTION_w, + TCC_OPTION_pipe, +}; + +static const TCCOption tcc_options[] = { + { "h", TCC_OPTION_HELP, 0 }, + { "?", TCC_OPTION_HELP, 0 }, + { "I", TCC_OPTION_I, TCC_OPTION_HAS_ARG }, + { "D", TCC_OPTION_D, TCC_OPTION_HAS_ARG }, + { "U", TCC_OPTION_U, TCC_OPTION_HAS_ARG }, + { "L", TCC_OPTION_L, TCC_OPTION_HAS_ARG }, + { "B", TCC_OPTION_B, TCC_OPTION_HAS_ARG }, + { "l", TCC_OPTION_l, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "bench", TCC_OPTION_bench, 0 }, + { "bt", TCC_OPTION_bt, TCC_OPTION_HAS_ARG }, +#ifdef CONFIG_TCC_BCHECK + { "b", TCC_OPTION_b, 0 }, +#endif + { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "c", TCC_OPTION_c, 0 }, + { "static", TCC_OPTION_static, 0 }, + { "shared", TCC_OPTION_shared, 0 }, + { "o", TCC_OPTION_o, TCC_OPTION_HAS_ARG }, + { "run", TCC_OPTION_run, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "rdynamic", TCC_OPTION_rdynamic, 0 }, + { "r", TCC_OPTION_r, 0 }, + { "Wl,", TCC_OPTION_Wl, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "W", TCC_OPTION_W, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "O", TCC_OPTION_O, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "m", TCC_OPTION_m, TCC_OPTION_HAS_ARG }, + { "f", TCC_OPTION_f, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP }, + { "nostdinc", TCC_OPTION_nostdinc, 0 }, + { "nostdlib", TCC_OPTION_nostdlib, 0 }, + { "print-search-dirs", TCC_OPTION_print_search_dirs, 0 }, + { "v", TCC_OPTION_v, 0 }, + { "w", TCC_OPTION_w, 0 }, + { "pipe", TCC_OPTION_pipe, 0}, + { NULL }, +}; + +/* convert 'str' into an array of space separated strings */ +static int expand_args(char ***pargv, const char *str) +{ + const char *s1; + char **argv, *arg; + int argc, len; + + argc = 0; + argv = NULL; + for(;;) { + while (is_space(*str)) + str++; + if (*str == '\0') + break; + s1 = str; + while (*str != '\0' && !is_space(*str)) + str++; + len = str - s1; + arg = tcc_malloc(len + 1); + memcpy(arg, s1, len); + arg[len] = '\0'; + dynarray_add((void ***)&argv, &argc, arg); + } + *pargv = argv; + return argc; +} + +static char **files; +static int nb_files, nb_libraries; +static int multiple_files; +static int print_search_dirs; +static int output_type; +static int reloc_output; +static const char *outfile; + +int parse_args(TCCState *s, int argc, char **argv) +{ + int optind; + const TCCOption *popt; + const char *optarg, *p1, *r1; + char *r; + + optind = 0; + while (1) { + if (optind >= argc) { + if (nb_files == 0 && !print_search_dirs) + goto show_help; + else + break; + } + r = argv[optind++]; + if (r[0] != '-') { + /* add a new file */ + dynarray_add((void ***)&files, &nb_files, r); + if (!multiple_files) { + optind--; + /* argv[0] will be this file */ + break; + } + } else { + /* find option in table (match only the first chars */ + popt = tcc_options; + for(;;) { + p1 = popt->name; + if (p1 == NULL) + error("invalid option -- '%s'", r); + r1 = r + 1; + for(;;) { + if (*p1 == '\0') + goto option_found; + if (*r1 != *p1) + break; + p1++; + r1++; + } + popt++; + } + option_found: + if (popt->flags & TCC_OPTION_HAS_ARG) { + if (*r1 != '\0' || (popt->flags & TCC_OPTION_NOSEP)) { + optarg = r1; + } else { + if (optind >= argc) + error("argument to '%s' is missing", r); + optarg = argv[optind++]; + } + } else { + if (*r1 != '\0') + goto show_help; + optarg = NULL; + } + + switch(popt->index) { + case TCC_OPTION_HELP: + show_help: + help(); + exit(1); + case TCC_OPTION_I: + if (tcc_add_include_path(s, optarg) < 0) + error("too many include paths"); + break; + case TCC_OPTION_D: + { + char *sym, *value; + sym = (char *)optarg; + value = strchr(sym, '='); + if (value) { + *value = '\0'; + value++; + } + tcc_define_symbol(s, sym, value); + } + break; + case TCC_OPTION_U: + tcc_undefine_symbol(s, optarg); + break; + case TCC_OPTION_L: + tcc_add_library_path(s, optarg); + break; + case TCC_OPTION_B: + /* set tcc utilities path (mainly for tcc development) */ + tcc_lib_path = optarg; + break; + case TCC_OPTION_l: + dynarray_add((void ***)&files, &nb_files, r); + nb_libraries++; + break; + case TCC_OPTION_bench: + do_bench = 1; + break; + case TCC_OPTION_bt: + num_callers = atoi(optarg); + break; +#ifdef CONFIG_TCC_BCHECK + case TCC_OPTION_b: + do_bounds_check = 1; + do_debug = 1; + break; +#endif + case TCC_OPTION_g: + do_debug = 1; + break; + case TCC_OPTION_c: + multiple_files = 1; + output_type = TCC_OUTPUT_OBJ; + break; + case TCC_OPTION_static: + s->static_link = 1; + break; + case TCC_OPTION_shared: + output_type = TCC_OUTPUT_DLL; + break; + case TCC_OPTION_o: + multiple_files = 1; + outfile = optarg; + break; + case TCC_OPTION_r: + /* generate a .o merging several output files */ + reloc_output = 1; + output_type = TCC_OUTPUT_OBJ; + break; + case TCC_OPTION_nostdinc: + s->nostdinc = 1; + break; + case TCC_OPTION_nostdlib: + s->nostdlib = 1; + break; + case TCC_OPTION_print_search_dirs: + print_search_dirs = 1; + break; + case TCC_OPTION_run: + { + int argc1; + char **argv1; + argc1 = expand_args(&argv1, optarg); + if (argc1 > 0) { + parse_args(s, argc1, argv1); + } + multiple_files = 0; + output_type = TCC_OUTPUT_MEMORY; + } + break; + case TCC_OPTION_v: + printf("tcc version %s\n", TCC_VERSION); + exit(0); + case TCC_OPTION_f: + if (tcc_set_flag(s, optarg, 1) < 0 && s->warn_unsupported) + goto unsupported_option; + break; + case TCC_OPTION_W: + if (tcc_set_warning(s, optarg, 1) < 0 && + s->warn_unsupported) + goto unsupported_option; + break; + case TCC_OPTION_w: + s->warn_none = 1; + break; + case TCC_OPTION_rdynamic: + s->rdynamic = 1; + break; + case TCC_OPTION_Wl: + { + const char *p; + if (strstart(optarg, "-Ttext,", &p)) { + s->text_addr = strtoul(p, NULL, 16); + s->has_text_addr = 1; + } else if (strstart(optarg, "--oformat,", &p)) { + if (strstart(p, "elf32-", NULL)) { + s->output_format = TCC_OUTPUT_FORMAT_ELF; + } else if (!strcmp(p, "binary")) { + s->output_format = TCC_OUTPUT_FORMAT_BINARY; + } else +#ifdef TCC_TARGET_COFF + if (!strcmp(p, "coff")) { + s->output_format = TCC_OUTPUT_FORMAT_COFF; + } else +#endif + { + error("target %s not found", p); + } + } else { + error("unsupported linker option '%s'", optarg); + } + } + break; + default: + if (s->warn_unsupported) { + unsupported_option: + warning("unsupported option '%s'", r); + } + break; + } + } + } + return optind; +} + +// njn: renamed main() as main2() in order to repeat it multiple times. +int main2(int argc, char **argv) +{ + int i; + TCCState *s; + int nb_objfiles, ret, optind; + char objfilename[1024]; + int64_t start_time = 0; + +#ifdef WIN32 + /* on win32, we suppose the lib and includes are at the location + of 'tcc.exe' */ + { + static char path[1024]; + char *p, *d; + + GetModuleFileNameA(NULL, path, sizeof path); + p = d = strlwr(path); + while (*d) + { + if (*d == '\\') *d = '/', p = d; + ++d; + } + *p = '\0'; + tcc_lib_path = path; + } +#endif + + s = tcc_new(); + output_type = TCC_OUTPUT_EXE; + outfile = NULL; + multiple_files = 1; + files = NULL; + nb_files = 0; + nb_libraries = 0; + reloc_output = 0; + print_search_dirs = 0; + + optind = parse_args(s, argc - 1, argv + 1) + 1; + + if (print_search_dirs) { + /* enough for Linux kernel */ + printf("install: %s/\n", tcc_lib_path); + return 0; + } + + nb_objfiles = nb_files - nb_libraries; + + /* if outfile provided without other options, we output an + executable */ + if (outfile && output_type == TCC_OUTPUT_MEMORY) + output_type = TCC_OUTPUT_EXE; + + /* check -c consistency : only single file handled. XXX: checks file type */ + if (output_type == TCC_OUTPUT_OBJ && !reloc_output) { + /* accepts only a single input file */ + if (nb_objfiles != 1) + error("cannot specify multiple files with -c"); + if (nb_libraries != 0) + error("cannot specify libraries with -c"); + } + + if (output_type != TCC_OUTPUT_MEMORY) { + if (!outfile) { + /* compute default outfile name */ + pstrcpy(objfilename, sizeof(objfilename) - 1, + /* strip path */ + tcc_basename(files[0])); +#ifdef TCC_TARGET_PE + pe_guess_outfile(objfilename, output_type); +#else + if (output_type == TCC_OUTPUT_OBJ && !reloc_output) { + char *ext = strrchr(objfilename, '.'); + if (!ext) + goto default_outfile; + /* add .o extension */ + strcpy(ext + 1, "o"); + } else { + default_outfile: + pstrcpy(objfilename, sizeof(objfilename), "a.out"); + } +#endif + outfile = objfilename; + } + } + + if (do_bench) { + start_time = getclock_us(); + } + + tcc_set_output_type(s, output_type); + + /* compile or add each files or library */ + for(i = 0;i < nb_files; i++) { + const char *filename; + + filename = files[i]; + if (filename[0] == '-') { + if (tcc_add_library(s, filename + 2) < 0) + error("cannot find %s", filename); + } else { + if (tcc_add_file(s, filename) < 0) { + ret = 1; + goto the_end; + } + } + } + + /* free all files */ + tcc_free(files); + + if (do_bench) { + double total_time; + total_time = (double)(getclock_us() - start_time) / 1000000.0; + if (total_time < 0.001) + total_time = 0.001; + if (total_bytes < 1) + total_bytes = 1; + printf("%d idents, %d lines, %d bytes, %0.3f s, %d lines/s, %0.1f MB/s\n", + tok_ident - TOK_IDENT, total_lines, total_bytes, + total_time, (int)(total_lines / total_time), + total_bytes / total_time / 1000000.0); + } + + if (s->output_type == TCC_OUTPUT_MEMORY) { + ret = tcc_run(s, argc - optind, argv + optind); + } else +#ifdef TCC_TARGET_PE + if (s->output_type != TCC_OUTPUT_OBJ) { + ret = tcc_output_pe(s, outfile); + } else +#endif + { + tcc_output_file(s, outfile); + ret = 0; + } + the_end: + /* XXX: cannot do it with bound checking because of the malloc hooks */ + if (!do_bounds_check) + tcc_delete(s); + +#ifdef MEM_DEBUG + if (do_bench) { + printf("memory: %d bytes, max = %d bytes\n", mem_cur_size, mem_max_size); + } +#endif + return ret; +} + +// njn: created this wrapper main() function to execute compilation multiple +// times. TinyCC is fast! +// Nb: we get a link error, and TinyCC would normally return non-zero. But +// the link error is not a problem for benchmarking purposes, so we return +// zero here (as required by vg_perf). +int main(int argc, char **argv) +{ + #define REPS 10 + int i; + for (i = 0; i < REPS; i++) { + main2(argc, argv); + } + return 0; +} + +#endif + +// njn: copied these in from libtcc1.c to avoid link errors when libtcc1.a +// is not present. +unsigned short __tcc_fpu_control = 0x137f; +unsigned short __tcc_int_fpu_control = 0x137f | 0x0c00; +long long __shldi3(long long a, int b) +{ +#ifdef __TINYC__ + DWunion u; + u.ll = a; + if (b >= 32) { + u.s.high = (unsigned)u.s.low << (b - 32); + u.s.low = 0; + } else if (b != 0) { + u.s.high = ((unsigned)u.s.high << b) | (u.s.low >> (32 - b)); + u.s.low = (unsigned)u.s.low << b; + } + return u.ll; +#else + return a << b; +#endif +} + + + diff --git a/perf/tinycc.vgperf b/perf/tinycc.vgperf new file mode 100644 index 00000000..83b5721d --- /dev/null +++ b/perf/tinycc.vgperf @@ -0,0 +1,3 @@ +prog: tinycc +args: tinycc.c -I. -ldl +tools: none memcheck |