diff options
Diffstat (limited to 'include/asm-cris/arch-v32/elf.h')
| -rw-r--r-- | include/asm-cris/arch-v32/elf.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v32/elf.h b/include/asm-cris/arch-v32/elf.h new file mode 100644 index 00000000000..1324e505a4d --- /dev/null +++ b/include/asm-cris/arch-v32/elf.h @@ -0,0 +1,73 @@ +#ifndef _ASM_CRIS_ELF_H +#define _ASM_CRIS_ELF_H + +#define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32 + +/* + * 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_V32 \ + || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32)))) + +/* CRISv32 ELF register definitions. */ + +#include <asm/ptrace.h> + +/* Explicitly zero out registers 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; \ + (_r)->acr = 0; \ +} while (0) + +/* + * An executable for which elf_read_implies_exec() returns TRUE will + * have the READ_IMPLIES_EXEC personality flag set automatically. + */ +#define elf_read_implies_exec_binary(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack)) + +/* + * This is basically a pt_regs with the additional definition + * of the stack pointer since it's needed in a core dump. + * pr_regs is a elf_gregset_t and should be filled according + * to the layout of user_regs_struct. + */ +#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->acr; /* ACR */ \ + pr_reg[16] = 0; /* BZ */ \ + pr_reg[17] = rdvr(); /* VR */ \ + pr_reg[18] = 0; /* PID */ \ + pr_reg[19] = regs->srs; /* SRS */ \ + pr_reg[20] = 0; /* WZ */ \ + pr_reg[21] = regs->exs; /* EXS */ \ + pr_reg[22] = regs->eda; /* EDA */ \ + pr_reg[23] = regs->mof; /* MOF */ \ + pr_reg[24] = 0; /* DZ */ \ + pr_reg[25] = 0; /* EBP */ \ + pr_reg[26] = regs->erp; /* ERP */ \ + pr_reg[27] = regs->srp; /* SRP */ \ + pr_reg[28] = 0; /* NRP */ \ + pr_reg[29] = regs->ccs; /* CCS */ \ + pr_reg[30] = rdusp(); /* USP */ \ + pr_reg[31] = regs->spc; /* SPC */ \ + +#endif /* _ASM_CRIS_ELF_H */ |