DECL_OFFSET(MonoDelegate, method)
DECL_OFFSET(MonoDelegate, method_code)
DECL_OFFSET(MonoDelegate, method_is_virtual)
-DECL_OFFSET(MonoDelegate, rgctx)
+DECL_OFFSET(MonoDelegate, extra_arg)
DECL_OFFSET(MonoInternalThread, tid)
DECL_OFFSET(MonoInternalThread, small_id)