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