diff options
Diffstat (limited to 'hw/xfree86/loader/coff.h')
| -rw-r--r-- | hw/xfree86/loader/coff.h | 181 |
1 files changed, 85 insertions, 96 deletions
diff --git a/hw/xfree86/loader/coff.h b/hw/xfree86/loader/coff.h index cebf5e179..52553278e 100644 --- a/hw/xfree86/loader/coff.h +++ b/hw/xfree86/loader/coff.h @@ -1,5 +1,4 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/loader/coff.h,v 1.5 1998/07/25 16:56:12 dawes Exp $ */ - +/* $XFree86: xc/programs/Xserver/hw/xfree86/loader/coff.h,v 1.6 2003/10/15 16:29:02 dawes Exp $ */ /* This file was implemented from the information in the book Understanding and Using COFF @@ -20,7 +19,7 @@ #ifndef _COFF_H #define _COFF_H -#define E_SYMNMLEN 8 /* Number of characters in a symbol name */ +#define E_SYMNMLEN 8 /* Number of characters in a symbol name */ /* * Intel 386/486 */ @@ -29,15 +28,14 @@ * FILE HEADER */ -typedef struct COFF_filehdr -{ - unsigned short f_magic; /* magic number */ - unsigned short f_nscns; /* number of sections */ - long f_timdat; /* time & date stamp */ - long f_symptr; /* file pointer to symtab */ - long f_nsyms; /* number of symtab entries */ - unsigned short f_opthdr; /* sizeof(optional hdr) */ - unsigned short f_flags; /* flags */ +typedef struct COFF_filehdr { + unsigned short f_magic; /* magic number */ + unsigned short f_nscns; /* number of sections */ + long f_timdat; /* time & date stamp */ + long f_symptr; /* file pointer to symtab */ + long f_nsyms; /* number of symtab entries */ + unsigned short f_opthdr; /* sizeof(optional hdr) */ + unsigned short f_flags; /* flags */ } FILHDR; #define FILHSZ sizeof(FILHDR) @@ -46,18 +44,17 @@ typedef struct COFF_filehdr * SECTION HEADER */ -typedef struct COFF_scnhdr -{ - char s_name[8]; /* section name */ - long s_paddr; /* physical address */ - long s_vaddr; /* virtual address */ - long s_size; /* section size */ - long s_scnptr; /* raw data for section */ - long s_relptr; /* relocation */ - long s_lnnoptr; /* line numbers */ - unsigned short s_nreloc; /* number of relocation entries */ - unsigned short s_nlnno; /* number of line number entries*/ - long s_flags; /* flags */ +typedef struct COFF_scnhdr { + char s_name[8]; /* section name */ + long s_paddr; /* physical address */ + long s_vaddr; /* virtual address */ + long s_size; /* section size */ + long s_scnptr; /* raw data for section */ + long s_relptr; /* relocation */ + long s_lnnoptr; /* line numbers */ + unsigned short s_nreloc; /* number of relocation entries */ + unsigned short s_nlnno; /* number of line number entries */ + long s_flags; /* flags */ } SCNHDR; #define COFF_SCNHDR struct COFF_scnhdr @@ -68,41 +65,36 @@ typedef struct COFF_scnhdr * the optional COFF header as used by Linux COFF */ -typedef struct -{ - char magic[2]; /* type of file */ - char vstamp[2]; /* version stamp */ - char tsize[4]; /* text size in bytes */ - char dsize[4]; /* initialized data */ - char bsize[4]; /* uninitialized data */ - char entry[4]; /* entry point */ - char text_start[4]; /* base of text */ - char data_start[4]; /* base of data */ +typedef struct { + char magic[2]; /* type of file */ + char vstamp[2]; /* version stamp */ + char tsize[4]; /* text size in bytes */ + char dsize[4]; /* initialized data */ + char bsize[4]; /* uninitialized data */ + char entry[4]; /* entry point */ + char text_start[4]; /* base of text */ + char data_start[4]; /* base of data */ } AOUTHDR; - /* * SYMBOLS */ -typedef struct COFF_syment -{ - union - { - char _n_name[E_SYMNMLEN]; /* Symbol name (first 8 chars) */ - struct - { - long _n_zeroes; /* Leading zeros */ - long _n_offset; /* Offset for a header section */ +typedef struct COFF_syment { + union { + char _n_name[E_SYMNMLEN]; /* Symbol name (first 8 chars) */ + struct { + long _n_zeroes; /* Leading zeros */ + long _n_offset; /* Offset for a header section */ } _n_n; - char *_n_nptr[2]; /* allows for overlaying */ - } _n; - - long n_value; /* address of the segment */ - short n_scnum; /* Section number */ - unsigned short n_type; /* Type of section */ - char n_sclass; /* Loader class */ - char n_numaux; /* Number of aux entries following */ + char *_n_nptr[2]; /* allows for overlaying */ + } _n; + + long n_value; /* address of the segment */ + short n_scnum; /* Section number */ + unsigned short n_type; /* Type of section */ + char n_sclass; /* Loader class */ + char n_numaux; /* Number of aux entries following */ } SYMENT; #define n_name _n._n_name @@ -110,8 +102,8 @@ typedef struct COFF_syment #define n_zeroes _n._n_n._n_zeroes #define n_offset _n._n_n._n_offset -#define COFF_E_SYMNMLEN 8 /* characters in a short symbol name */ -#define COFF_E_FILNMLEN 14 /* characters in a file name */ +#define COFF_E_SYMNMLEN 8 /* characters in a short symbol name */ +#define COFF_E_FILNMLEN 14 /* characters in a file name */ #define COFF_E_DIMNUM 4 /* array dimensions in aux entry */ #define SYMNMLEN COFF_E_SYMNMLEN #define SYMESZ 18 /* not really sizeof(SYMENT) due to padding */ @@ -131,62 +123,59 @@ typedef struct COFF_syment * AUX Entries */ typedef struct COFF_auxent { - long x_scnlen; - long x_parmhash; - unsigned short x_snhash; - unsigned char x_smtyp; - unsigned char x_smclas; - long x_stab; - unsigned short x_snstab; + long x_scnlen; + long x_parmhash; + unsigned short x_snhash; + unsigned char x_smtyp; + unsigned char x_smclas; + long x_stab; + unsigned short x_snstab; } AUXENT; /* Auxillary Symbol type values */ -#define XTY_ER 0 /* Enternal Reference */ -#define XTY_SD 1 /* csect section definition */ -#define XTY_LD 2 /* Label definition */ -#define XTY_CM 3 /* common csect definition */ +#define XTY_ER 0 /* Enternal Reference */ +#define XTY_SD 1 /* csect section definition */ +#define XTY_LD 2 /* Label definition */ +#define XTY_CM 3 /* common csect definition */ /* Auxillary Symbol storage mapping class values */ -#define XMC_PR 0 /* Program code */ -#define XMC_RO 1 /* Read-only constant */ -#define XMC_DB 2 /* Debug dictionary */ -#define XMC_TC 3 /* TOC entry */ -#define XMC_UA 4 /* Unclassified */ -#define XMC_RW 5 /* Read/write data */ -#define XMC_GL 6 /* Global linkage */ -#define XMC_XO 7 /* Extended operation */ -#define XMC_SV 8 /* Supervisor call descriptor */ -#define XMC_BS 9 /* BSS class */ -#define XMC_DS 10 /* Function descriptor csect */ -#define XMC_UC 11 /* Unnamed FORTRAN comon */ -#define XMC_TI 12 /* Reserved */ -#define XMC_TB 13 /* Reserved */ -#define XMC_TC0 15 /* TOC anchor */ -#define XMC_TD 16 /* Scalar data entry in TOC */ +#define XMC_PR 0 /* Program code */ +#define XMC_RO 1 /* Read-only constant */ +#define XMC_DB 2 /* Debug dictionary */ +#define XMC_TC 3 /* TOC entry */ +#define XMC_UA 4 /* Unclassified */ +#define XMC_RW 5 /* Read/write data */ +#define XMC_GL 6 /* Global linkage */ +#define XMC_XO 7 /* Extended operation */ +#define XMC_SV 8 /* Supervisor call descriptor */ +#define XMC_BS 9 /* BSS class */ +#define XMC_DS 10 /* Function descriptor csect */ +#define XMC_UC 11 /* Unnamed FORTRAN comon */ +#define XMC_TI 12 /* Reserved */ +#define XMC_TB 13 /* Reserved */ +#define XMC_TC0 15 /* TOC anchor */ +#define XMC_TD 16 /* Scalar data entry in TOC */ /* * RELOCATION DIRECTIVES */ -typedef struct COFF_reloc -{ - long r_vaddr; /* Virtual address of item */ - long r_symndx; /* Symbol index in the symtab */ +typedef struct COFF_reloc { + long r_vaddr; /* Virtual address of item */ + long r_symndx; /* Symbol index in the symtab */ #if defined(__powerpc__) - union - { - unsigned short _r_type; /* old style coff relocation type */ - struct - { - char _r_rsize; /* sign and reloc bit len */ - char _r_rtype; /* toc relocation type */ + union { + unsigned short _r_type; /* old style coff relocation type */ + struct { + char _r_rsize; /* sign and reloc bit len */ + char _r_rtype; /* toc relocation type */ } _r_r; - } _r; -#define r_otype _r._r_type /* old style reloc - original name */ + } _r; +#define r_otype _r._r_type /* old style reloc - original name */ #define r_rsize _r._r_r._r_rsize /* extract sign and bit len */ #define r_type _r._r_r._r_rtype /* extract toc relocation type */ #else - unsigned short r_type; /* Relocation type */ + unsigned short r_type; /* Relocation type */ #endif } RELOC; @@ -222,7 +211,7 @@ typedef struct COFF_reloc #define R_REL 0x02 /* A(sym-*) Relative to self */ #define R_TOC 0x03 /* A(sym-TOC) Relative to TOC */ #define R_TRL 0x12 /* A(sym-TOC) TOC Relative indirect load. */ - /* modifiable instruction */ + /* modifiable instruction */ #define R_TRLA 0x13 /* A(sym-TOC) TOC Rel load address. modifiable inst */ #define R_GL 0x05 /* A(external TOC of sym) Global Linkage */ #define R_TCL 0x06 /* A(local TOC of sym) Local object TOC address */ |