public static unsafe bool TryGetTargetOfUnboxingAndInstantiatingStub(IntPtr maybeInstantiatingAndUnboxingStub, out IntPtr targetMethod)
{
targetMethod = RuntimeAugments.GetTargetOfUnboxingAndInstantiatingStub(maybeInstantiatingAndUnboxingStub);
if (targetMethod != IntPtr.Zero)
{
return true;
}
// TODO: The rest of the code in this function is specific to ProjectN only. When we kill the binder, get rid of this
// linear search code (the only API that should be used for the lookup is the one above)
// Get module
IntPtr associatedModule = RuntimeAugments.GetOSModuleFromPointer(maybeInstantiatingAndUnboxingStub);
if (associatedModule == IntPtr.Zero)
{
return false;
}
// Module having a type manager means we are not in ProjectN mode. Bail out earlier.
foreach (TypeManagerHandle handle in ModuleList.Enumerate())
{
if (handle.OsModuleBase == associatedModule && handle.IsTypeManager)
{
return false;
}
}
// Get UnboxingAndInstantiatingTable
UnboxingAndInstantiatingStubMapEntry* pBlob;
uint cbBlob;
if (!RuntimeAugments.FindBlob(new TypeManagerHandle(associatedModule), (int)ReflectionMapBlob.UnboxingAndInstantiatingStubMap, (IntPtr)(&pBlob), (IntPtr)(&cbBlob)))
{
return false;
}
uint cStubs = cbBlob / (uint)sizeof(UnboxingAndInstantiatingStubMapEntry);
for (uint i = 0; i < cStubs; ++i)
{
if (RvaToFunctionPointer(new TypeManagerHandle(associatedModule), pBlob[i].StubMethodRva) == maybeInstantiatingAndUnboxingStub)
{
// We found a match, create pointer from RVA and move on.
targetMethod = RvaToFunctionPointer(new TypeManagerHandle(associatedModule), pBlob[i].MethodRva);
return true;
}
}
// Stub not found.
return false;
}
public static unsafe bool TryGetTargetOfUnboxingAndInstantiatingStub(IntPtr maybeInstantiatingAndUnboxingStub, out IntPtr targetMethod)
{
targetMethod = RuntimeAugments.GetTargetOfUnboxingAndInstantiatingStub(maybeInstantiatingAndUnboxingStub);
return (targetMethod != IntPtr.Zero);
}
