1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_MEM_PARTIAL_GC_H 17 #define ECMASCRIPT_MEM_PARTIAL_GC_H 18 19 #include "ecmascript/mem/allocator.h" 20 #include "ecmascript/mem/garbage_collector.h" 21 #include "ecmascript/mem/heap.h" 22 #include "ecmascript/mem/mark_stack.h" 23 #include "ecmascript/mem/mark_word.h" 24 #include "ecmascript/mem/mem.h" 25 #include "ecmascript/mem/slots.h" 26 #include "ecmascript/mem/visitor.h" 27 #include "ecmascript/mem/work_manager.h" 28 29 namespace panda { 30 namespace ecmascript { 31 class PartialGC : public GarbageCollector { 32 public: 33 explicit PartialGC(Heap *heap); 34 ~PartialGC() override = default; 35 NO_COPY_SEMANTIC(PartialGC); 36 NO_MOVE_SEMANTIC(PartialGC); 37 38 void RunPhases() override; 39 GetHeap()40 Heap *GetHeap() const 41 { 42 return heap_; 43 } 44 45 protected: 46 void Initialize() override; 47 void Mark() override; 48 void Sweep() override; 49 void Finish() override; 50 51 private: 52 void Evacuate(); 53 void ProcessNativeDelete(); 54 55 Heap *heap_; 56 size_t freeSize_ {0}; 57 size_t hugeSpaceFreeSize_ = 0; 58 size_t oldSpaceCommitSize_ = 0; 59 size_t nonMoveSpaceCommitSize_ = 0; 60 bool markingInProgress_ {false}; 61 // Obtained from the shared heap instance. 62 WorkManager *workManager_ {nullptr}; 63 64 friend class WorkManager; 65 friend class Heap; 66 }; 67 } // namespace ecmascript 68 } // namespace panda 69 70 #endif // ECMASCRIPT_MEM_PARTIAL_GC_H 71