internal static unsafe IntPtr GetCastableObjectDispatchCellThunk(EEType *pInstanceType, IntPtr pDispatchCell)
{
IntPtr pTargetCode = CacheLookup(s_ThunkBasedDispatchCellTargets, pDispatchCell);
if (pTargetCode != default(IntPtr))
{
return(pTargetCode);
}
InternalCalls.RhpAcquireCastCacheLock();
{
// Look in the cache again after taking the lock
pTargetCode = CacheLookup(s_ThunkBasedDispatchCellTargets, pDispatchCell);
if (pTargetCode != default(IntPtr))
{
return(pTargetCode);
}
// Allocate a new thunk. Failure to allocate one will result in a fail-fast. We don't return nulls from this API.
if (s_thunksHeap == null)
{
s_thunksHeap = ThunksHeap.CreateThunksHeap(InternalCalls.RhpGetCastableObjectDispatch_CommonStub());
if (s_thunksHeap == null)
{
EH.FallbackFailFast(RhFailFastReason.InternalError, null);
}
}
pTargetCode = s_thunksHeap.AllocateThunk();
if (pTargetCode == IntPtr.Zero)
{
EH.FallbackFailFast(RhFailFastReason.InternalError, null);
}
s_thunksHeap.SetThunkData(pTargetCode, pDispatchCell, InternalCalls.RhpGetCastableObjectDispatchHelper_TailCalled());
AddToThunkCache(pDispatchCell, pTargetCode);
}
InternalCalls.RhpReleaseCastCacheLock();
return(pTargetCode);
}
public static object RhCreateThunksHeap(IntPtr commonStubAddress)
{
return(ThunksHeap.CreateThunksHeap(commonStubAddress));
}