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#include "partial_mark_sweep.h" 18 19#include "gc/heap.h" 20#include "gc/space/space.h" 21#include "partial_mark_sweep.h" 22#include "thread-inl.h" 23 24namespace art { 25namespace gc { 26namespace collector { 27 28PartialMarkSweep::PartialMarkSweep(Heap* heap, bool is_concurrent, const std::string& name_prefix) 29 : MarkSweep(heap, is_concurrent, name_prefix.empty() ? "partial " : name_prefix) { 30 cumulative_timings_.SetName(GetName()); 31} 32 33void PartialMarkSweep::BindBitmaps() { 34 MarkSweep::BindBitmaps(); 35 36 WriterMutexLock mu(Thread::Current(), *Locks::heap_bitmap_lock_); 37 // For partial GCs we need to bind the bitmap of the zygote space so that all objects in the 38 // zygote space are viewed as marked. 39 for (const auto& space : GetHeap()->GetContinuousSpaces()) { 40 if (space->GetGcRetentionPolicy() == space::kGcRetentionPolicyFullCollect) { 41 CHECK(space->IsZygoteSpace()); 42 CHECK(immune_region_.AddContinuousSpace(space)) << "Failed to add space " << *space; 43 } 44 } 45} 46 47} // namespace collector 48} // namespace gc 49} // namespace art 50