/*
* Copyright ( C ) 2012 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef ART_RUNTIME_GC_ACCOUNTING_HEAP_BITMAP_INL_H_
#define ART_RUNTIME_GC_ACCOUNTING_HEAP_BITMAP_INL_H_
#include "heap_bitmap.h"
#include "space_bitmap-inl.h"
namespace art HIDDEN {
namespace gc {
namespace accounting {
template <typename Visitor>
inline void HeapBitmap::Visit(Visitor&& visitor) {
for (const auto & bitmap : continuous_space_bitmaps_) {
bitmap->VisitMarkedRange(bitmap->HeapBegin(), bitmap->HeapLimit(), visitor);
}
for (const auto & bitmap : large_object_bitmaps_) {
bitmap->VisitMarkedRange(bitmap->HeapBegin(), bitmap->HeapLimit(), visitor);
}
}
inline bool HeapBitmap::Test(const mirror::Object* obj) {
ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
if (LIKELY(bitmap != nullptr)) {
return bitmap->Test(obj);
}
for (const auto & lo_bitmap : large_object_bitmaps_) {
if (LIKELY(lo_bitmap->HasAddress(obj))) {
return lo_bitmap->Test(obj);
}
}
LOG(FATAL) << "Invalid object " << obj;
return false ;
}
inline void HeapBitmap::Clear(const mirror::Object* obj) {
ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
if (LIKELY(bitmap != nullptr)) {
bitmap->Clear(obj);
return ;
}
for (const auto & lo_bitmap : large_object_bitmaps_) {
if (LIKELY(lo_bitmap->HasAddress(obj))) {
lo_bitmap->Clear(obj);
}
}
LOG(FATAL) << "Invalid object " << obj;
}
template <typename LargeObjectSetVisitor>
inline bool HeapBitmap::Set(const mirror::Object* obj, const LargeObjectSetVisitor& visitor) {
ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
if (LIKELY(bitmap != nullptr)) {
return bitmap->Set(obj);
}
visitor(obj);
for (const auto & lo_bitmap : large_object_bitmaps_) {
if (LIKELY(lo_bitmap->HasAddress(obj))) {
return lo_bitmap->Set(obj);
}
}
LOG(FATAL) << "Invalid object " << obj;
return false ;
}
template <typename LargeObjectSetVisitor>
inline bool HeapBitmap::AtomicTestAndSet(const mirror::Object* obj,
const LargeObjectSetVisitor& visitor) {
ContinuousSpaceBitmap* bitmap = GetContinuousSpaceBitmap(obj);
if (LIKELY(bitmap != nullptr)) {
return bitmap->AtomicTestAndSet(obj);
}
visitor(obj);
for (const auto & lo_bitmap : large_object_bitmaps_) {
if (LIKELY(lo_bitmap->HasAddress(obj))) {
return lo_bitmap->AtomicTestAndSet(obj);
}
}
LOG(FATAL) << "Invalid object " << obj;
return false ;
}
inline ContinuousSpaceBitmap* HeapBitmap::GetContinuousSpaceBitmap(const mirror::Object* obj) const {
for (const auto & bitmap : continuous_space_bitmaps_) {
if (bitmap->HasAddress(obj)) {
return bitmap;
}
}
return nullptr;
}
inline LargeObjectBitmap* HeapBitmap::GetLargeObjectBitmap(const mirror::Object* obj) const {
for (const auto & bitmap : large_object_bitmaps_) {
if (LIKELY(bitmap->HasAddress(obj))) {
return bitmap;
}
}
return nullptr;
}
} // namespace accounting
} // namespace gc
} // namespace art
#endif // ART_RUNTIME_GC_ACCOUNTING_HEAP_BITMAP_INL_H_
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(vorverarbeitet am 2026-06-29)
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