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
24namespace art {
25
26template <typename MirrorType, ReadBarrierOption kReadBarrierOption>
27inline 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
46template <typename MirrorType, ReadBarrierOption kReadBarrierOption>
47inline 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