public static object IsInstanceOfInterfaceType(int interfaceSlot, object obj)
{
if (obj == null)
{
return(null);
}
var o = Intrinsic.GetObjectAddress(obj);
var objTypeDefinition = new TypeDefinition(o.LoadPointer());
var bitmap = objTypeDefinition.Bitmap;
if (bitmap.IsNull)
{
return(null);
}
int index = interfaceSlot / 32;
int bit = interfaceSlot % 32;
uint value = bitmap.Load32(index * 4);
uint result = value & (uint)(1 << bit);
if (result == 0)
{
return(null);
}
return(obj);
}
public static Pointer IsInstanceOfType(RuntimeTypeHandle handle, object obj)
{
if (obj == null)
{
return(Pointer.Zero);
}
var o = Intrinsic.GetObjectAddress(obj);
var objTypeDefinition = new TypeDefinition(o.LoadPointer());
var typeDefinition = new TypeDefinition(new Pointer(handle.Value));
if (IsTypeInInheritanceChain(typeDefinition, objTypeDefinition))
{
return(o);
}
return(Pointer.Zero);
}
private static RuntimeTypeHandle GetTypeHandle(object obj)
{
var o = Intrinsic.GetObjectAddress(obj);
return(new RuntimeTypeHandle(Intrinsic.LoadPointer(o)));
}
public static Pointer GetObjectHashValue(object obj)
{
var address = Intrinsic.GetObjectAddress(obj);
return(address - Pointer.Size - 4 - 4);
}
public static Pointer GetObjectLockAndStatus(object obj)
{
var address = Intrinsic.GetObjectAddress(obj);
return(address - Pointer.Size - 4);
}
public static Pointer GetTypeDefinition(object obj)
{
var address = Intrinsic.GetObjectAddress(obj);
return(address.LoadPointer(-Pointer.Size));
}