1/*
2 * Copyright (C) 2012 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_GC_ACCOUNTING_HEAP_BITMAP_INL_H_
18#define ART_RUNTIME_GC_ACCOUNTING_HEAP_BITMAP_INL_H_
19
20#include "heap_bitmap.h"
21
22#include "space_bitmap-inl.h"
23
24namespace art {
25namespace gc {
26namespace accounting {
27
28template <typename Visitor>
29inline void HeapBitmap::Visit(const Visitor& visitor) {
30  for (const auto& bitmap : continuous_space_bitmaps_) {
31    bitmap->VisitMarkedRange(bitmap->HeapBegin(), bitmap->HeapLimit(), visitor);
32  }
33  for (const auto& bitmap : large_object_bitmaps_) {
34    bitmap->VisitMarkedRange(bitmap->HeapBegin(), bitmap->HeapLimit(), visitor);
35  }
36}
37
38inline bool HeapBitmap::Test(const mirror::Object* obj) {
39  ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
40  if (LIKELY(bitmap != nullptr)) {
41    return bitmap->Test(obj);
42  }
43  for (const auto& lo_bitmap : large_object_bitmaps_) {
44    if (LIKELY(lo_bitmap->HasAddress(obj))) {
45      return lo_bitmap->Test(obj);
46    }
47  }
48  LOG(FATAL) << "Invalid object " << obj;
49  return false;
50}
51
52inline void HeapBitmap::Clear(const mirror::Object* obj) {
53  ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
54  if (LIKELY(bitmap != nullptr)) {
55    bitmap->Clear(obj);
56    return;
57  }
58  for (const auto& lo_bitmap : large_object_bitmaps_) {
59    if (LIKELY(lo_bitmap->HasAddress(obj))) {
60      lo_bitmap->Clear(obj);
61    }
62  }
63  LOG(FATAL) << "Invalid object " << obj;
64}
65
66template<typename LargeObjectSetVisitor>
67inline bool HeapBitmap::Set(const mirror::Object* obj, const LargeObjectSetVisitor& visitor) {
68  ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
69  if (LIKELY(bitmap != nullptr)) {
70    return bitmap->Set(obj);
71  }
72  visitor(obj);
73  for (const auto& lo_bitmap : large_object_bitmaps_) {
74    if (LIKELY(lo_bitmap->HasAddress(obj))) {
75      return lo_bitmap->Set(obj);
76    }
77  }
78  LOG(FATAL) << "Invalid object " << obj;
79  return false;
80}
81
82template<typename LargeObjectSetVisitor>
83inline bool HeapBitmap::AtomicTestAndSet(const mirror::Object* obj,
84                                         const LargeObjectSetVisitor& visitor) {
85  ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
86  if (LIKELY(bitmap != nullptr)) {
87    return bitmap->AtomicTestAndSet(obj);
88  }
89  visitor(obj);
90  for (const auto& lo_bitmap : large_object_bitmaps_) {
91    if (LIKELY(lo_bitmap->HasAddress(obj))) {
92      return lo_bitmap->AtomicTestAndSet(obj);
93    }
94  }
95  LOG(FATAL) << "Invalid object " << obj;
96  return false;
97}
98
99inline ContinuousSpaceBitmap* HeapBitmap::GetContinuousSpaceBitmap(const mirror::Object* obj) const {
100  for (const auto& bitmap : continuous_space_bitmaps_) {
101    if (bitmap->HasAddress(obj)) {
102      return bitmap;
103    }
104  }
105  return nullptr;
106}
107
108inline LargeObjectBitmap* HeapBitmap::GetLargeObjectBitmap(const mirror::Object* obj) const {
109  for (const auto& bitmap : large_object_bitmaps_) {
110    if (LIKELY(bitmap->HasAddress(obj))) {
111      return bitmap;
112    }
113  }
114  return nullptr;
115}
116
117}  // namespace accounting
118}  // namespace gc
119}  // namespace art
120
121#endif  // ART_RUNTIME_GC_ACCOUNTING_HEAP_BITMAP_INL_H_
122