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linux-user: added x86 and x86_64 support for ELF coredump

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Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
This commit is contained in:
Mika Westerberg 2009-04-07 09:57:59 +03:00 committed by Riku Voipio
parent edf8e2af14
commit 9edc5d7966
1 changed files with 83 additions and 0 deletions
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83
linux-user/elfload.c
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@ -134,6 +134,52 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
regs->rip = infop->entry; regs->rip = infop->entry;
} }
typedef target_ulong elf_greg_t;
typedef uint32_t target_uid_t;
typedef uint32_t target_gid_t;
typedef int32_t target_pid_t;
#define ELF_NREG 27
typedef elf_greg_t elf_gregset_t[ELF_NREG];
/*
* Note that ELF_NREG should be 29 as there should be place for
* TRAPNO and ERR "registers" as well but linux doesn't dump
* those.
*
* See linux kernel: arch/x86/include/asm/elf.h
*/
static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
{
(*regs)[0] = env->regs[15];
(*regs)[1] = env->regs[14];
(*regs)[2] = env->regs[13];
(*regs)[3] = env->regs[12];
(*regs)[4] = env->regs[R_EBP];
(*regs)[5] = env->regs[R_EBX];
(*regs)[6] = env->regs[11];
(*regs)[7] = env->regs[10];
(*regs)[8] = env->regs[9];
(*regs)[9] = env->regs[8];
(*regs)[10] = env->regs[R_EAX];
(*regs)[11] = env->regs[R_ECX];
(*regs)[12] = env->regs[R_EDX];
(*regs)[13] = env->regs[R_ESI];
(*regs)[14] = env->regs[R_EDI];
(*regs)[15] = env->regs[R_EAX]; /* XXX */
(*regs)[16] = env->eip;
(*regs)[17] = env->segs[R_CS].selector & 0xffff;
(*regs)[18] = env->eflags;
(*regs)[19] = env->regs[R_ESP];
(*regs)[20] = env->segs[R_SS].selector & 0xffff;
(*regs)[21] = env->segs[R_FS].selector & 0xffff;
(*regs)[22] = env->segs[R_GS].selector & 0xffff;
(*regs)[23] = env->segs[R_DS].selector & 0xffff;
(*regs)[24] = env->segs[R_ES].selector & 0xffff;
(*regs)[25] = env->segs[R_FS].selector & 0xffff;
(*regs)[26] = env->segs[R_GS].selector & 0xffff;
}
#else #else
#define ELF_START_MMAP 0x80000000 #define ELF_START_MMAP 0x80000000
@ -164,8 +210,45 @@ static inline void init_thread(struct target_pt_regs *regs, struct image_info *i
A value of 0 tells we have no such handler. */ A value of 0 tells we have no such handler. */
regs->edx = 0; regs->edx = 0;
} }
typedef target_ulong elf_greg_t;
typedef uint16_t target_uid_t;
typedef uint16_t target_gid_t;
typedef int32_t target_pid_t;
#define ELF_NREG 17
typedef elf_greg_t elf_gregset_t[ELF_NREG];
/*
* Note that ELF_NREG should be 19 as there should be place for
* TRAPNO and ERR "registers" as well but linux doesn't dump
* those.
*
* See linux kernel: arch/x86/include/asm/elf.h
*/
static void elf_core_copy_regs(elf_gregset_t *regs, const CPUState *env)
{
(*regs)[0] = env->regs[R_EBX];
(*regs)[1] = env->regs[R_ECX];
(*regs)[2] = env->regs[R_EDX];
(*regs)[3] = env->regs[R_ESI];
(*regs)[4] = env->regs[R_EDI];
(*regs)[5] = env->regs[R_EBP];
(*regs)[6] = env->regs[R_EAX];
(*regs)[7] = env->segs[R_DS].selector & 0xffff;
(*regs)[8] = env->segs[R_ES].selector & 0xffff;
(*regs)[9] = env->segs[R_FS].selector & 0xffff;
(*regs)[10] = env->segs[R_GS].selector & 0xffff;
(*regs)[11] = env->regs[R_EAX]; /* XXX */
(*regs)[12] = env->eip;
(*regs)[13] = env->segs[R_CS].selector & 0xffff;
(*regs)[14] = env->eflags;
(*regs)[15] = env->regs[R_ESP];
(*regs)[16] = env->segs[R_SS].selector & 0xffff;
}
#endif #endif
#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096 #define ELF_EXEC_PAGESIZE 4096
#endif #endif