bool UnixNativeCodeManager::UnwindStackFrame(MethodInfo * pMethodInfo,
REGDISPLAY * pRegisterSet, // in/out
PTR_VOID * ppPreviousTransitionFrame) // out
{
if (!VirtualUnwind(pRegisterSet))
{
return false;
}
// @TODO: CORERT: PInvoke transitions
*ppPreviousTransitionFrame = NULL;
return true;
}
bool UnixNativeCodeManager::UnwindStackFrame(MethodInfo * pMethodInfo,
REGDISPLAY * pRegisterSet, // in/out
PTR_VOID * ppPreviousTransitionFrame) // out
{
UnixNativeMethodInfo * pNativeMethodInfo = (UnixNativeMethodInfo *)pMethodInfo;
PTR_UInt8 p = pNativeMethodInfo->pMainLSDA;
uint8_t unwindBlockFlags = *p++;
if ((unwindBlockFlags & UBF_FUNC_REVERSE_PINVOKE) != 0)
{
// Reverse PInvoke transition should on the main function body only
assert(pNativeMethodInfo->pMainLSDA == pNativeMethodInfo->pLSDA);
if ((unwindBlockFlags & UBF_FUNC_HAS_EHINFO) != 0)
p += sizeof(int32_t);
GcInfoDecoder decoder(GCInfoToken(p), DECODE_REVERSE_PINVOKE_VAR);
// @TODO: CORERT: Encode reverse PInvoke frame slot in GCInfo: https://github.com/dotnet/corert/issues/2115
// INT32 slot = decoder.GetReversePInvokeFrameStackSlot();
// assert(slot != NO_REVERSE_PINVOKE_FRAME);
*ppPreviousTransitionFrame = (PTR_VOID)-1;
return true;
}
*ppPreviousTransitionFrame = NULL;
if (!VirtualUnwind(pRegisterSet))
{
return false;
}
return true;
}
