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Add x86_64 gdb stub for qemu (Jason Wessel). 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4390 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
edgar_igl 2008-05-09 08:23:19 +00:00
parent 73e517236c
commit c584116612
1 changed files with 133 additions and 1 deletions
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134
gdbstub.c
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@ -233,9 +233,141 @@ static int put_packet(GDBState *s, char *buf)
}
return 0;
}
#if defined(TARGET_X86_64)
#if defined(TARGET_I386)
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
uint8_t *p = mem_buf;
int i, fpus;
#define PUTREG(x) do { \
target_ulong reg = tswapl(x); \
memcpy(p, &reg, sizeof reg); \
p += sizeof reg; \
} while (0)
#define PUTREG32(x) do { \
uint32_t reg = tswap32(x); \
memcpy(p, &reg, sizeof reg); \
p += sizeof reg; \
} while (0)
#define PUTREGF(x) do { \
memcpy(p, &(x), 10); \
p += sizeof (x); \
} while (0)
PUTREG(env->regs[R_EAX]);
PUTREG(env->regs[R_EBX]);
PUTREG(env->regs[R_ECX]);
PUTREG(env->regs[R_EDX]);
PUTREG(env->regs[R_ESI]);
PUTREG(env->regs[R_EDI]);
PUTREG(env->regs[R_EBP]);
PUTREG(env->regs[R_ESP]);
PUTREG(env->regs[8]);
PUTREG(env->regs[9]);
PUTREG(env->regs[10]);
PUTREG(env->regs[11]);
PUTREG(env->regs[12]);
PUTREG(env->regs[13]);
PUTREG(env->regs[14]);
PUTREG(env->regs[15]);
PUTREG(env->eip);
PUTREG32(env->eflags);
PUTREG32(env->segs[R_CS].selector);
PUTREG32(env->segs[R_SS].selector);
PUTREG32(env->segs[R_DS].selector);
PUTREG32(env->segs[R_ES].selector);
PUTREG32(env->segs[R_FS].selector);
PUTREG32(env->segs[R_GS].selector);
/* XXX: convert floats */
for(i = 0; i < 8; i++) {
PUTREGF(env->fpregs[i]);
}
PUTREG32(env->fpuc);
fpus = (env->fpus & ~0x3800) | (env->fpstt & 0x7) << 11;
PUTREG32(fpus);
PUTREG32(0); /* XXX: convert tags */
PUTREG32(0); /* fiseg */
PUTREG32(0); /* fioff */
PUTREG32(0); /* foseg */
PUTREG32(0); /* fooff */
PUTREG32(0); /* fop */
#undef PUTREG
#undef PUTREG32
#undef PUTREGF
return p - mem_buf;
}
static void cpu_gdb_write_registers(CPUState *env, uint8_t *mem_buf, int size)
{
uint8_t *p = mem_buf;
uint32_t junk;
int i, fpus;
#define GETREG(x) do { \
target_ulong reg; \
memcpy(&reg, p, sizeof reg); \
x = tswapl(reg); \
p += sizeof reg; \
} while (0)
#define GETREG32(x) do { \
uint32_t reg; \
memcpy(&reg, p, sizeof reg); \
x = tswap32(reg); \
p += sizeof reg; \
} while (0)
#define GETREGF(x) do { \
memcpy(&(x), p, 10); \
p += 10; \
} while (0)
GETREG(env->regs[R_EAX]);
GETREG(env->regs[R_EBX]);
GETREG(env->regs[R_ECX]);
GETREG(env->regs[R_EDX]);
GETREG(env->regs[R_ESI]);
GETREG(env->regs[R_EDI]);
GETREG(env->regs[R_EBP]);
GETREG(env->regs[R_ESP]);
GETREG(env->regs[8]);
GETREG(env->regs[9]);
GETREG(env->regs[10]);
GETREG(env->regs[11]);
GETREG(env->regs[12]);
GETREG(env->regs[13]);
GETREG(env->regs[14]);
GETREG(env->regs[15]);
GETREG(env->eip);
GETREG32(env->eflags);
GETREG32(env->segs[R_CS].selector);
GETREG32(env->segs[R_SS].selector);
GETREG32(env->segs[R_DS].selector);
GETREG32(env->segs[R_ES].selector);
GETREG32(env->segs[R_FS].selector);
GETREG32(env->segs[R_GS].selector);
/* XXX: convert floats */
for(i = 0; i < 8; i++) {
GETREGF(env->fpregs[i]);
}
GETREG32(env->fpuc);
GETREG32(fpus); /* XXX: convert fpus */
GETREG32(junk); /* XXX: convert tags */
GETREG32(junk); /* fiseg */
GETREG32(junk); /* fioff */
GETREG32(junk); /* foseg */
GETREG32(junk); /* fooff */
GETREG32(junk); /* fop */
#undef GETREG
#undef GETREG32
#undef GETREGF
}
#elif defined(TARGET_I386)
static int cpu_gdb_read_registers(CPUState *env, uint8_t *mem_buf)
{
int i, fpus;