1 /* 2 * Copyright (c) 2024 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_PARALLEL_EVACUATOR_VISITOR_H 17 #define ECMASCRIPT_MEM_PARALLEL_EVACUATOR_VISITOR_H 18 19 #include "ecmascript/mem/parallel_evacuator.h" 20 21 namespace panda::ecmascript { 22 template<TriggerGCType gcType> 23 class SlotUpdateRangeVisitor final : public EcmaObjectRangeVisitor<SlotUpdateRangeVisitor<gcType>> { 24 public: 25 explicit SlotUpdateRangeVisitor(ParallelEvacuator *evacuator); 26 ~SlotUpdateRangeVisitor() override = default; 27 28 void VisitObjectRangeImpl(TaggedObject *root, ObjectSlot start, ObjectSlot end, VisitObjectArea area) override; 29 private: 30 void UpdateSlot(ObjectSlot slot, Region *rootRegion); 31 32 ParallelEvacuator *evacuator_ {nullptr}; 33 }; 34 35 template<TriggerGCType gcType> 36 class NewToOldEvacuationVisitor { 37 public: 38 explicit NewToOldEvacuationVisitor(Heap *heap, std::unordered_set<JSTaggedType> *set, 39 ParallelEvacuator *evacuator); 40 41 ~NewToOldEvacuationVisitor() = default; 42 43 NO_COPY_SEMANTIC(NewToOldEvacuationVisitor); 44 NO_MOVE_SEMANTIC(NewToOldEvacuationVisitor); 45 46 void operator()(void *mem); 47 48 void UpdateTrackInfo(TaggedObject *header, JSHClass *klass); 49 50 private: 51 bool pgoEnabled_ {false}; 52 std::shared_ptr<PGOProfiler> pgoProfiler_; 53 std::unordered_set<JSTaggedType> *trackSet_ {nullptr}; 54 SlotUpdateRangeVisitor<gcType> slotUpdateRangeVisitor_; 55 }; 56 } // namespace panda::ecmascript 57 #endif // ECMASCRIPT_MEM_PARALLEL_EVACUATOR_VISITOR_H