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linux-user: add core dump support for MIPS 

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Nathan Froyd 2009-12-11 09:04:49 -08:00 committed by Aurelien Jarno
parent e2f3e741b4
commit 51e526063d
1 changed files with 46 additions and 0 deletions
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46
linux-user/elfload.c
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@ -594,6 +594,52 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
regs->regs[29] = infop->start_stack;
}
/* See linux kernel: arch/mips/include/asm/elf.h. */
#define ELF_NREG 45
typedef target_elf_greg_t target_elf_gregset_t[ELF_NREG];
/* See linux kernel: arch/mips/include/asm/reg.h. */
enum {
#ifdef TARGET_MIPS64
TARGET_EF_R0 = 0,
#else
TARGET_EF_R0 = 6,
#endif
TARGET_EF_R26 = TARGET_EF_R0 + 26,
TARGET_EF_R27 = TARGET_EF_R0 + 27,
TARGET_EF_LO = TARGET_EF_R0 + 32,
TARGET_EF_HI = TARGET_EF_R0 + 33,
TARGET_EF_CP0_EPC = TARGET_EF_R0 + 34,
TARGET_EF_CP0_BADVADDR = TARGET_EF_R0 + 35,
TARGET_EF_CP0_STATUS = TARGET_EF_R0 + 36,
TARGET_EF_CP0_CAUSE = TARGET_EF_R0 + 37
};
/* See linux kernel: arch/mips/kernel/process.c:elf_dump_regs. */
static void elf_core_copy_regs(target_elf_gregset_t *regs, const CPUState *env)
{
int i;
for (i = 0; i < TARGET_EF_R0; i++) {
(*regs)[i] = 0;
}
(*regs)[TARGET_EF_R0] = 0;
for (i = 1; i < ARRAY_SIZE(env->active_tc.gpr); i++) {
(*regs)[TARGET_EF_R0 + i] = tswapl(env->active_tc.gpr[i]);
}
(*regs)[TARGET_EF_R26] = 0;
(*regs)[TARGET_EF_R27] = 0;
(*regs)[TARGET_EF_LO] = tswapl(env->active_tc.LO[0]);
(*regs)[TARGET_EF_HI] = tswapl(env->active_tc.HI[0]);
(*regs)[TARGET_EF_CP0_EPC] = tswapl(env->active_tc.PC);
(*regs)[TARGET_EF_CP0_BADVADDR] = tswapl(env->CP0_BadVAddr);
(*regs)[TARGET_EF_CP0_STATUS] = tswapl(env->CP0_Status);
(*regs)[TARGET_EF_CP0_CAUSE] = tswapl(env->CP0_Cause);
}
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
#endif /* TARGET_MIPS */