diff options
Diffstat (limited to 'arch/cris/include/arch-v10/arch/elf.h')
| -rw-r--r-- | arch/cris/include/arch-v10/arch/elf.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v10/arch/elf.h b/arch/cris/include/arch-v10/arch/elf.h new file mode 100644 index 000000000000..1c38ee728b17 --- /dev/null +++ b/arch/cris/include/arch-v10/arch/elf.h @@ -0,0 +1,81 @@ +#ifndef __ASMCRIS_ARCH_ELF_H +#define __ASMCRIS_ARCH_ELF_H + +#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 + +/* + * This is used to ensure we don't load something for the wrong architecture. + */ +#define elf_check_arch(x) \ + ((x)->e_machine == EM_CRIS \ + && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \ + || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32)))) + +/* + * ELF register definitions.. + */ + +#include <asm/ptrace.h> + +/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program + starts (a register; assume first param register for CRIS) + contains a pointer to a function which might be + registered using `atexit'. This provides a mean for the + dynamic linker to call DT_FINI functions for shared libraries + that have been loaded before the code runs. + + A value of 0 tells we have no such handler. */ + +/* Explicitly set registers to 0 to increase determinism. */ +#define ELF_PLAT_INIT(_r, load_addr) do { \ + (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \ + (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \ + (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \ + (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \ +} while (0) + +/* The additional layer below is because the stack pointer is missing in + the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t, + and should be filled in according to the layout of the user_regs_struct + struct; regs is a pt_regs struct. We dump all registers, though several are + obviously unnecessary. That way there's less need for intelligence at + the receiving end (i.e. gdb). */ +#define ELF_CORE_COPY_REGS(pr_reg, regs) \ + pr_reg[0] = regs->r0; \ + pr_reg[1] = regs->r1; \ + pr_reg[2] = regs->r2; \ + pr_reg[3] = regs->r3; \ + pr_reg[4] = regs->r4; \ + pr_reg[5] = regs->r5; \ + pr_reg[6] = regs->r6; \ + pr_reg[7] = regs->r7; \ + pr_reg[8] = regs->r8; \ + pr_reg[9] = regs->r9; \ + pr_reg[10] = regs->r10; \ + pr_reg[11] = regs->r11; \ + pr_reg[12] = regs->r12; \ + pr_reg[13] = regs->r13; \ + pr_reg[14] = rdusp(); /* sp */ \ + pr_reg[15] = regs->irp; /* pc */ \ + pr_reg[16] = 0; /* p0 */ \ + pr_reg[17] = rdvr(); /* vr */ \ + pr_reg[18] = 0; /* p2 */ \ + pr_reg[19] = 0; /* p3 */ \ + pr_reg[20] = 0; /* p4 */ \ + pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \ + pr_reg[22] = 0; /* p6 */ \ + pr_reg[23] = regs->mof; /* mof */ \ + pr_reg[24] = 0; /* p8 */ \ + pr_reg[25] = 0; /* ibr */ \ + pr_reg[26] = 0; /* irp */ \ + pr_reg[27] = regs->srp; /* srp */ \ + pr_reg[28] = 0; /* bar */ \ + pr_reg[29] = regs->dccr; /* dccr */ \ + pr_reg[30] = 0; /* brp */ \ + pr_reg[31] = rdusp(); /* usp */ \ + pr_reg[32] = 0; /* csrinstr */ \ + pr_reg[33] = 0; /* csraddr */ \ + pr_reg[34] = 0; /* csrdata */ + + +#endif |