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authoredgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-09 08:23:19 +0000
committeredgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162>2008-05-09 08:23:19 +0000
commitc58411661274631e2687deedd1597a34bfd38e2a (patch)
tree6114652eeb012c4da5b9978e343f87f1700d3a8d /gdbstub.c
parent73e517236c9304c09ccd2b95ceb56068a248be3d (diff)
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
Diffstat (limited to 'gdbstub.c')
-rw-r--r--gdbstub.c134
1 files changed, 133 insertions, 1 deletions
diff --git a/gdbstub.c b/gdbstub.c
index 2d58820002..cd42a9923a 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -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;