1 /* 2 * Copyright (c) 2025 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 COMMON_COMPONENTS_HEAP_ARK_COLLECTOR_COPY_BARRIER_H 17 #define COMMON_COMPONENTS_HEAP_ARK_COLLECTOR_COPY_BARRIER_H 18 19 #include "common_components/heap/ark_collector/idle_barrier.h" 20 21 namespace common { 22 // CopyBarrier is the barrier for concurrent forwarding. 23 class CopyBarrier : public IdleBarrier { 24 public: CopyBarrier(Collector & collector)25 explicit CopyBarrier(Collector& collector) : IdleBarrier(collector) {} 26 27 BaseObject* ReadRefField(BaseObject* obj, RefField<false>& field) const override; 28 BaseObject* ReadStaticRef(RefField<false>& field) const override; 29 BaseObject* ReadStringTableStaticRef(RefField<false>& field) const override; 30 31 void ReadStruct(HeapAddress dst, BaseObject* obj, HeapAddress src, size_t size) const override; 32 33 BaseObject* AtomicReadRefField(BaseObject* obj, RefField<true>& field, MemoryOrder order) const override; 34 void AtomicWriteRefField(BaseObject* obj, RefField<true>& field, BaseObject* ref, 35 MemoryOrder order) const override; 36 37 BaseObject* AtomicSwapRefField(BaseObject* obj, RefField<true>& field, BaseObject* ref, 38 MemoryOrder order) const override; 39 40 bool CompareAndSwapRefField(BaseObject* obj, RefField<true>& field, BaseObject* oldRef, BaseObject* newRef, 41 MemoryOrder succOrder, MemoryOrder failOrder) const override; 42 43 void CopyStructArray(BaseObject* dstObj, HeapAddress dstField, MIndex dstSize, BaseObject* srcObj, 44 HeapAddress srcField, MIndex srcSize) const override; 45 }; 46 } // namespace common 47 48 #endif // COMMON_COMPONENTS_HEAP_ARK_COLLECTOR_COPY_BARRIER_H 49