unsafe private static IntPtr CallConversionThunk(IntPtr callerTransitionBlockParam, IntPtr callConversionId)
{
CallConversionParameters conversionParams = default(CallConversionParameters);
try
{
conversionParams = new CallConversionParameters(CallConversionInfo.GetConverter(callConversionId.ToInt32()), callerTransitionBlockParam);
#if CCCONVERTER_TRACE
System.Threading.Interlocked.Increment(ref s_numConversionsExecuted);
CallingConventionConverterLogger.WriteLine("CallConversionThunk executing... COUNT = " + s_numConversionsExecuted.LowLevelToString());
CallingConventionConverterLogger.WriteLine("Executing thunk of type " + conversionParams._conversionInfo.ThunkKindString() + ": ");
#endif
if (conversionParams._conversionInfo.IsMulticastDelegate)
{
MulticastDelegateInvoke(ref conversionParams);
System.Diagnostics.DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
else
{
// Create a transition block on the stack.
// Note that SizeOfFrameArgumentArray does overflow checks with sufficient margin to prevent overflows here
int nStackBytes = conversionParams._calleeArgs.SizeOfFrameArgumentArray();
int dwAllocaSize = TransitionBlock.GetNegSpaceSize() + sizeof(TransitionBlock) + nStackBytes;
IntPtr invokeTargetPtr = Intrinsics.AddrOf((InvokeTargetDel)InvokeTarget);
RuntimeAugments.RunFunctionWithConservativelyReportedBuffer(dwAllocaSize, invokeTargetPtr, ref conversionParams);
System.Diagnostics.DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
return conversionParams._invokeReturnValue;
}
finally
{
conversionParams.ResetPinnedObjects();
}
}
