1 /*
2 * Copyright (C) 2014 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_READ_BARRIER_INL_H_
18 #define ART_RUNTIME_READ_BARRIER_INL_H_
19
20 #include "read_barrier.h"
21
22 #include "mirror/object_reference.h"
23
24 namespace art {
25
26 template <typename MirrorType, ReadBarrierOption kReadBarrierOption>
Barrier(mirror::Object * obj,MemberOffset offset,mirror::HeapReference<MirrorType> * ref_addr)27 inline MirrorType* ReadBarrier::Barrier(
28 mirror::Object* obj, MemberOffset offset, mirror::HeapReference<MirrorType>* ref_addr) {
29 // Unused for now.
30 UNUSED(obj);
31 UNUSED(offset);
32 UNUSED(ref_addr);
33 const bool with_read_barrier = kReadBarrierOption == kWithReadBarrier;
34 if (with_read_barrier && kUseBakerReadBarrier) {
35 // To be implemented.
36 return ref_addr->AsMirrorPtr();
37 } else if (with_read_barrier && kUseBrooksReadBarrier) {
38 // To be implemented.
39 return ref_addr->AsMirrorPtr();
40 } else {
41 // No read barrier.
42 return ref_addr->AsMirrorPtr();
43 }
44 }
45
46 template <typename MirrorType, ReadBarrierOption kReadBarrierOption>
BarrierForRoot(MirrorType ** root)47 inline MirrorType* ReadBarrier::BarrierForRoot(MirrorType** root) {
48 MirrorType* ref = *root;
49 const bool with_read_barrier = kReadBarrierOption == kWithReadBarrier;
50 if (with_read_barrier && kUseBakerReadBarrier) {
51 // To be implemented.
52 return ref;
53 } else if (with_read_barrier && kUseBrooksReadBarrier) {
54 // To be implemented.
55 return ref;
56 } else {
57 return ref;
58 }
59 }
60
61 } // namespace art
62
63 #endif // ART_RUNTIME_READ_BARRIER_INL_H_
64