public static void RhpReversePInvokeBadTransition(IntPtr returnAddress)
{
EH.FailFastViaClasslib(
RhFailFastReason.IllegalNativeCallableEntry,
null,
returnAddress);
}
unsafe private static IntPtr RhpCastableObjectResolve(IntPtr callerTransitionBlockParam, IntPtr pCell)
{
IntPtr locationOfThisPointer = callerTransitionBlockParam + TransitionBlock.GetThisOffset();
object pObject = Unsafe.As <IntPtr, Object>(ref *(IntPtr *)locationOfThisPointer);
DispatchCellInfo cellInfo;
InternalCalls.RhpGetDispatchCellInfo(pCell, out cellInfo);
if (cellInfo.CellType != DispatchCellType.InterfaceAndSlot)
{
// Dispatch cell used for castable object resolve is not InterfaceAndSlot. This should not be possible
// as all metadata based cells should have been converted to interface and slot cells by this time.
EH.FallbackFailFast(RhFailFastReason.InternalError, null);
return(IntPtr.Zero);
}
EEType *pInterfaceType = cellInfo.InterfaceType.ToPointer();
Exception e = null;
object targetObject = GetCastableTargetIfPossible((ICastableObject)pObject, pInterfaceType, false, ref e);
if (targetObject == null)
{
EH.FailFastViaClasslib(RhFailFastReason.InternalError, null, pObject.EEType->GetAssociatedModuleAddress());
}
Unsafe.As <IntPtr, Object>(ref *(IntPtr *)locationOfThisPointer) = targetObject;
InternalCalls.RhpSetTLSDispatchCell(pCell);
return(InternalCalls.RhpGetTailCallTLSDispatchCell());
}
public static void RhpReversePInvokeBadTransition()
{
IntPtr returnAddress = BinderIntrinsics.GetReturnAddress();
if (returnAddress != IntPtr.Zero)
{
EH.FailFastViaClasslib(
RhFailFastReason.IllegalNativeCallableEntry,
null,
returnAddress);
}
else
{
// @HACKHACK: we need to force the method to have an EBP frame so that we can use the
// GetReturnAddress() intrinsic above. This seems to be the smallest way to do this.
EH.FailFast(RhFailFastReason.InternalError, null);
throw EH.GetClasslibException(ExceptionIDs.Arithmetic, returnAddress);
}
}
