/// <summary>
/// This thunk is used to lazily resolve Finalizer calls
/// </summary>
/// <param name="obj">Object to be finalized</param>
private static void FinalizeThunk(object obj)
{
RuntimeTypeHandle rthType = RuntimeAugments.GetRuntimeTypeHandleFromObjectReference(obj);
TypeSystemContext context = TypeSystemContextFactory.Create();
TypeDesc type = context.ResolveRuntimeTypeHandle(rthType);
MethodDesc finalizer = type.GetFinalizer();
IntPtr fnPtrFinalizer;
if (!TryGetVTableCallableAddress(finalizer, out fnPtrFinalizer))
{
Environment.FailFast("Method address lookup failed for: " + finalizer.ToString());
}
TypeSystemContextFactory.Recycle(context);
unsafe
{
rthType.ToEETypePtr()->FinalizerCode = fnPtrFinalizer;
}
// Call the finalizer directly. No need to play tricks with tail calling, as this is rare enough, it shouldn't happen much
// Here we take advantage of the detail that the calling convention abi for a static function
// that returns no values, and takes a single object parameter matches that of a
// instance function that takes no parameters
Intrinsics.Call(fnPtrFinalizer, obj);
}
