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winedbg: Add dumping of floating point registers for x86_64.

This commit is contained in:
Alexandre Julliard 2011-01-27 21:08:45 +01:00
parent 020245bba1
commit 22cd7e0e5e
1 changed files with 82 additions and 1 deletions
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83
programs/winedbg/be_x86_64.c
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@ -73,6 +73,8 @@ static void be_x86_64_single_step(CONTEXT* ctx, unsigned enable)
static void be_x86_64_print_context(HANDLE hThread, const CONTEXT* ctx,
int all_regs)
{
static const char mxcsr_flags[16][4] = { "IE", "DE", "ZE", "OE", "UE", "PE", "DAZ", "IM",
"DM", "ZM", "OM", "UM", "PM", "R-", "R+", "FZ" };
static const char flags[] = "aVR-N--ODITSZ-A-P-C";
char buf[33];
int i;
@ -92,7 +94,86 @@ static void be_x86_64_print_context(HANDLE hThread, const CONTEXT* ctx,
dbg_printf(" r11:%016lx r12:%016lx r13:%016lx r14:%016lx r15:%016lx\n",
ctx->R11, ctx->R12, ctx->R13, ctx->R14, ctx->R15 );
if (all_regs) dbg_printf( "Floating point x86_64 dump not implemented\n" );
if (!all_regs) return;
dbg_printf(" cs:%04x ds:%04x es:%04x fs:%04x gs:%04x ss:%04x\n",
ctx->SegCs, ctx->SegDs, ctx->SegEs, ctx->SegFs, ctx->SegGs, ctx->SegSs );
dbg_printf("Debug:\n");
dbg_printf(" dr0:%016lx dr1:%016lx dr2:%016lx dr3:%016lx\n",
ctx->Dr0, ctx->Dr1, ctx->Dr2, ctx->Dr3 );
dbg_printf(" dr6:%016lx dr7:%016lx\n", ctx->Dr6, ctx->Dr7 );
dbg_printf("Floating point:\n");
dbg_printf(" flcw:%04x ", LOWORD(ctx->u.FltSave.ControlWord));
dbg_printf(" fltw:%04x ", LOWORD(ctx->u.FltSave.TagWord));
dbg_printf(" flsw:%04x", LOWORD(ctx->u.FltSave.StatusWord));
dbg_printf("(cc:%d%d%d%d", (ctx->u.FltSave.StatusWord & 0x00004000) >> 14,
(ctx->u.FltSave.StatusWord & 0x00000400) >> 10,
(ctx->u.FltSave.StatusWord & 0x00000200) >> 9,
(ctx->u.FltSave.StatusWord & 0x00000100) >> 8);
dbg_printf(" top:%01x", (unsigned int) (ctx->u.FltSave.StatusWord & 0x00003800) >> 11);
if (ctx->u.FltSave.StatusWord & 0x00000001) /* Invalid Fl OP */
{
if (ctx->u.FltSave.StatusWord & 0x00000040) /* Stack Fault */
{
if (ctx->u.FltSave.StatusWord & 0x00000200) /* C1 says Overflow */
dbg_printf(" #IE(Stack Overflow)");
else
dbg_printf(" #IE(Stack Underflow)"); /* Underflow */
}
else dbg_printf(" #IE(Arithmetic error)"); /* Invalid Fl OP */
}
if (ctx->u.FltSave.StatusWord & 0x00000002) dbg_printf(" #DE"); /* Denormalised OP */
if (ctx->u.FltSave.StatusWord & 0x00000004) dbg_printf(" #ZE"); /* Zero Divide */
if (ctx->u.FltSave.StatusWord & 0x00000008) dbg_printf(" #OE"); /* Overflow */
if (ctx->u.FltSave.StatusWord & 0x00000010) dbg_printf(" #UE"); /* Underflow */
if (ctx->u.FltSave.StatusWord & 0x00000020) dbg_printf(" #PE"); /* Precision error */
if (ctx->u.FltSave.StatusWord & 0x00000040)
if (!(ctx->u.FltSave.StatusWord & 0x00000001))
dbg_printf(" #SE"); /* Stack Fault (don't think this can occur) */
if (ctx->u.FltSave.StatusWord & 0x00000080) dbg_printf(" #ES"); /* Error Summary */
if (ctx->u.FltSave.StatusWord & 0x00008000) dbg_printf(" #FB"); /* FPU Busy */
dbg_printf(")\n");
dbg_printf(" flerr:%04x:%08x fldata:%04x:%08x\n",
ctx->u.FltSave.ErrorSelector, ctx->u.FltSave.ErrorOffset,
ctx->u.FltSave.DataSelector, ctx->u.FltSave.DataOffset );
for (i = 0; i < 4; i++)
{
long double st;
memcpy(&st, &ctx->u.FltSave.FloatRegisters[i * 10], 10);
dbg_printf(" st%u:%-16Lg ", i, st);
}
dbg_printf("\n");
for (i = 4; i < 8; i++)
{
long double st;
memcpy(&st, &ctx->u.FltSave.FloatRegisters[i * 10], 10);
dbg_printf(" st%u:%-16Lg ", i, st);
}
dbg_printf("\n");
dbg_printf(" mxcsr: %04x (", ctx->u.FltSave.MxCsr );
for (i = 0; i < 16; i++)
if (ctx->u.FltSave.MxCsr & (1 << i)) dbg_printf( " %s", mxcsr_flags[i] );
dbg_printf(" )\n");
for (i = 0; i < 16; i++)
{
dbg_printf( " %sxmm%u: uint=%016lx%016lx", (i > 9) ? "" : " ", i,
ctx->u.FltSave.XmmRegisters[i].High, ctx->u.FltSave.XmmRegisters[i].Low );
dbg_printf( " double={%g; %g}", *(double *)&ctx->u.FltSave.XmmRegisters[i].Low,
*(double *)&ctx->u.FltSave.XmmRegisters[i].High );
dbg_printf( " float={%g; %g; %g; %g}\n",
(double)*((float *)&ctx->u.FltSave.XmmRegisters[i] + 0),
(double)*((float *)&ctx->u.FltSave.XmmRegisters[i] + 1),
(double)*((float *)&ctx->u.FltSave.XmmRegisters[i] + 2),
(double)*((float *)&ctx->u.FltSave.XmmRegisters[i] + 3) );
}
}
static void be_x86_64_print_segment_info(HANDLE hThread, const CONTEXT* ctx)