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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_OBJECT_CALLBACKS_H_
#define ART_RUNTIME_OBJECT_CALLBACKS_H_
#include "base/macros.h"
namespace art HIDDEN {
namespace mirror {
class Object;
template<class MirrorType> class HeapReference;
} // namespace mirror
class IsMarkedVisitor {
public:
virtual ~IsMarkedVisitor() {}
// Return null if an object is not marked, otherwise returns the new address of that object.
// May return the same address as the input if the object did not move.
virtual mirror::Object* IsMarked(mirror::Object* obj) = 0;
};
class MarkObjectVisitor {
public:
virtual ~MarkObjectVisitor() {}
// Mark an object and return the new address of an object.
// May return the same address as the input if the object did not move.
virtual mirror::Object* MarkObject(mirror::Object* obj) = 0;
// Mark an object and update the value stored in the heap reference if the object moved.
virtual void MarkHeapReference(mirror::HeapReference<mirror::Object>* obj,
bool do_atomic_update) = 0;
};
} // namespace art
#endif // ART_RUNTIME_OBJECT_CALLBACKS_H_