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ntdll: Implemented RtlCaptureStackBackTrace for i386.

This commit is contained in:
Alexandre Julliard 2009-11-11 17:38:18 +01:00
parent d45fca8f7c
commit d90f691e58
1 changed files with 24 additions and 2 deletions
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26
dlls/ntdll/signal_i386.c
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@ -2285,8 +2285,30 @@ DEFINE_REGS_ENTRYPOINT( RtlRaiseException, 1 )
*/
USHORT WINAPI RtlCaptureStackBackTrace( ULONG skip, ULONG count, PVOID *buffer, ULONG *hash )
{
FIXME( "(%d, %d, %p, %p) stub!\n", skip, count, buffer, hash );
return 0;
CONTEXT context;
ULONG i;
ULONG *frame;
RtlCaptureContext( &context );
if (hash) *hash = 0;
frame = (ULONG *)context.Ebp;
while (skip--)
{
if (((void *)frame < NtCurrentTeb()->Tib.StackLimit) ||
((void *)(frame + 1) >= NtCurrentTeb()->Tib.StackBase)) return 0;
frame = (ULONG *)*frame;
}
for (i = 0; i < count; i++)
{
if (((void *)frame < NtCurrentTeb()->Tib.StackLimit) ||
((void *)(frame + 1) >= NtCurrentTeb()->Tib.StackBase)) break;
buffer[i] = (void *)frame[1];
if (hash) *hash += frame[1];
frame = (ULONG *)*frame;
}
return i;
}