diff options
| author | Nathan Froyd <froydnj@codesourcery.com> | 2009-12-11 09:04:49 -0800 |
|---|---|---|
| committer | Aurelien Jarno <aurelien@aurel32.net> | 2009-12-19 20:29:18 +0100 |
| commit | 51e526063d23e4ae6732d6b9868e9dcf3cd3597b (patch) | |
| tree | 50ac3fcc2bde42472f6ce895af5521c51ceb889b | |
| parent | e2f3e741b4ba573a7d18f785f51a7b7c7febc88a (diff) | |
linux-user: add core dump support for MIPS
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
| -rw-r--r-- | linux-user/elfload.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index d284108f00..b17cf64a4b 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -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 */ |