Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-05 17:33:01 +00:00
Code Issues Projects Releases Packages Wiki Activity

[RTL] Implement RtlGetUnwindContext

Browse source
This commit is contained in:
Timo Kreuzer 2020-01-06 01:48:39 +02:00
parent 98ed87b556
commit f026550f89
1 changed files with 37 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

37
sdk/lib/rtl/amd64/unwind.c
View file

@ -1135,6 +1135,43 @@ RtlpCaptureNonVolatileContextPointers(
ASSERT(EstablisherFrame >= TargetFrame);
}
VOID
RtlGetUnwindContext(
_Out_ PCONTEXT Context,
_In_ DWORD64 TargetFrame)
{
KNONVOLATILE_CONTEXT_POINTERS ContextPointers;
ULONG ContextFlags = Context->ContextFlags & ~CONTEXT_AMD64;
/* Capture pointers to the non-volatiles up to the target frame */
RtlpCaptureNonVolatileContextPointers(&ContextPointers, TargetFrame);
/* Copy the nonvolatiles from the captured locations */
if (ContextFlags & CONTEXT_INTEGER)
{
Context->Rbx = *ContextPointers.Rbx;
Context->Rsi = *ContextPointers.Rsi;
Context->Rdi = *ContextPointers.Rdi;
Context->R12 = *ContextPointers.R12;
Context->R13 = *ContextPointers.R13;
Context->R14 = *ContextPointers.R14;
Context->R15 = *ContextPointers.R15;
}
if (ContextFlags & CONTEXT_FLOATING_POINT)
{
Context->Xmm6 = *ContextPointers.Xmm6;
Context->Xmm7 = *ContextPointers.Xmm7;
Context->Xmm8 = *ContextPointers.Xmm8;
Context->Xmm9 = *ContextPointers.Xmm9;
Context->Xmm10 = *ContextPointers.Xmm10;
Context->Xmm11 = *ContextPointers.Xmm11;
Context->Xmm12 = *ContextPointers.Xmm12;
Context->Xmm13 = *ContextPointers.Xmm13;
Context->Xmm14 = *ContextPointers.Xmm14;
Context->Xmm15 = *ContextPointers.Xmm15;
}
}
VOID
RtlSetUnwindContext(
_In_ PCONTEXT Context,