- HashTable<void *, write_set_t *, uintptr_t, 4, model_malloc, model_calloc, model_free> write_history;
+
+ HashTable<void *, value_set_t *, uintptr_t, 4> write_history;
+
+ /* Map a location to FuncNodes that may read from it */
+ HashTable<void *, SnapList<FuncNode *> *, uintptr_t, 4> loc_func_nodes_map;