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_STW_YOUNG_GC_FOR_TESTING_H 17 #define ECMASCRIPT_MEM_STW_YOUNG_GC_FOR_TESTING_H 18 19 #include "ecmascript/mem/clock_scope.h" 20 #include "ecmascript/mem/mem.h" 21 #include "ecmascript/mem/heap.h" 22 #include "ecmascript/mem/allocator.h" 23 #include "ecmascript/mem/mark_stack-inl.h" 24 #include "ecmascript/mem/mark_word.h" 25 #include "ecmascript/mem/slots.h" 26 #include "ecmascript/mem/object_xray.h" 27 #include "ecmascript/mem/remembered_set.h" 28 #include "ecmascript/mem/chunk_containers.h" 29 #include "ecmascript/mem/tlab_allocator.h" 30 31 #include "os/mutex.h" 32 33 namespace panda { 34 namespace ecmascript { 35 class Heap; 36 class JSHClass; 37 class WorkerHelper; 38 39 class GarbageCollector { 40 public: 41 GarbageCollector() = default; 42 virtual ~GarbageCollector() = default; 43 DEFAULT_COPY_SEMANTIC(GarbageCollector); 44 DEFAULT_MOVE_SEMANTIC(GarbageCollector); 45 }; 46 47 class STWYoungGC : public GarbageCollector { 48 public: 49 explicit STWYoungGC(Heap *heap, bool paralledGc); 50 ~STWYoungGC() override = default; 51 NO_COPY_SEMANTIC(STWYoungGC); 52 NO_MOVE_SEMANTIC(STWYoungGC); 53 54 void RunPhases(); 55 56 private: 57 void InitializePhase(); 58 void ParallelMarkingPhase(); 59 void SweepPhases(); 60 void FinishPhase(); 61 62 inline void UpdatePromotedSlot(TaggedObject *object, ObjectSlot slot); 63 64 Heap *heap_; 65 size_t promotedSize_{0}; 66 size_t semiCopiedSize_{0}; 67 size_t commitSize_ = 0; 68 69 // obtain from heap 70 bool paralledGc_ {false}; 71 WorkerHelper *workList_ {nullptr}; 72 73 friend class TlabAllocator; 74 friend class WorkerHelper; 75 friend class Heap; 76 }; 77 } // namespace ecmascript 78 } // namespace panda 79 80 #endif // ECMASCRIPT_MEM_STW_YOUNG_GC_FOR_TESTING_H 81