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_MARKING_FIX_BARRIER_H 17 #define COMMON_COMPONENTS_HEAP_ARK_COLLECTOR_MARKING_FIX_BARRIER_H 18 19 #include "common_components/heap/allocator/region_space.h" 20 #include "common_components/heap/ark_collector/idle_barrier.h" 21 22 namespace common { 23 // PreforwardBarrier is the barrier for concurrent copying gc in fixup stage 24 class PreforwardBarrier : public IdleBarrier { 25 public: PreforwardBarrier(Collector & collector)26 explicit PreforwardBarrier(Collector& collector) : IdleBarrier(collector) {} 27 28 BaseObject* ReadRefField(BaseObject* obj, RefField<false>& field) const override; 29 BaseObject* ReadStaticRef(RefField<false>& field) const override; 30 BaseObject* ReadStringTableStaticRef(RefField<false>& field) const override; 31 32 void ReadStruct(HeapAddress dst, BaseObject* obj, HeapAddress src, size_t size) const override; 33 34 BaseObject* AtomicReadRefField(BaseObject* obj, RefField<true>& field, MemoryOrder order) const override; 35 void AtomicWriteRefField(BaseObject* obj, RefField<true>& field, BaseObject* ref, 36 MemoryOrder order) const override; 37 38 BaseObject* AtomicSwapRefField(BaseObject* obj, RefField<true>& field, BaseObject* ref, 39 MemoryOrder order) const override; 40 41 bool CompareAndSwapRefField(BaseObject* obj, RefField<true>& field, BaseObject* oldRef, BaseObject* newRef, 42 MemoryOrder succOrder, MemoryOrder failOrder) const override; 43 44 void CopyStructArray(BaseObject* dstObj, HeapAddress dstField, MIndex dstSize, BaseObject* srcObj, 45 HeapAddress srcField, MIndex srcSize) const override; 46 }; 47 } // namespace common 48 49 #endif // COMMON_COMPONENTS_HEAP_ARK_COLLECTOR_MARKING_FIX_BARRIER_H 50