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Mathieu Chartier83c8ee02014-01-28 14:50:23 -08001/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_RUNTIME_OBJECT_CALLBACKS_H_
18#define ART_RUNTIME_OBJECT_CALLBACKS_H_
19
Mathieu Chartier4c13a3f2014-07-14 14:57:16 -070020#include "base/macros.h"
21
Mathieu Chartier83c8ee02014-01-28 14:50:23 -080022namespace art {
23namespace mirror {
Igor Murashkin2ffb7032017-11-08 13:35:21 -080024class Object;
25template<class MirrorType> class HeapReference;
Mathieu Chartier83c8ee02014-01-28 14:50:23 -080026} // namespace mirror
Mathieu Chartier83c8ee02014-01-28 14:50:23 -080027
Mathieu Chartier97509952015-07-13 14:35:43 -070028class IsMarkedVisitor {
29 public:
30 virtual ~IsMarkedVisitor() {}
31 // Return null if an object is not marked, otherwise returns the new address of that object.
32 // May return the same address as the input if the object did not move.
33 virtual mirror::Object* IsMarked(mirror::Object* obj) = 0;
34};
Mathieu Chartier407f7022014-02-18 14:37:05 -080035
Mathieu Chartier97509952015-07-13 14:35:43 -070036class MarkObjectVisitor {
37 public:
38 virtual ~MarkObjectVisitor() {}
39 // Mark an object and return the new address of an object.
40 // May return the same address as the input if the object did not move.
41 virtual mirror::Object* MarkObject(mirror::Object* obj) = 0;
42 // Mark an object and update the value stored in the heap reference if the object moved.
Hiroshi Yamauchi057d9772017-02-17 15:33:23 -080043 virtual void MarkHeapReference(mirror::HeapReference<mirror::Object>* obj,
44 bool do_atomic_update) = 0;
Mathieu Chartier97509952015-07-13 14:35:43 -070045};
Mathieu Chartier83c8ee02014-01-28 14:50:23 -080046
47} // namespace art
48
49#endif // ART_RUNTIME_OBJECT_CALLBACKS_H_