1 /* 2 * Copyright (c) 2021-2025 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 ECMASCRIPT_DFX_HPROF_HEAP_MARKER_H 17 #define ECMASCRIPT_DFX_HPROF_HEAP_MARKER_H 18 19 #include <functional> 20 21 #include "common_components/heap/allocator/region_desc.h" 22 #include "ecmascript/mem/c_containers.h" 23 #include "ecmascript/mem/mem.h" 24 #include "ecmascript/mem/region.h" 25 26 namespace panda::ecmascript { 27 class HeapMarker { 28 public: 29 HeapMarker() = default; 30 ~HeapMarker() = default; 31 NO_MOVE_SEMANTIC(HeapMarker); 32 NO_COPY_SEMANTIC(HeapMarker); 33 34 bool Mark(JSTaggedType addr); 35 bool CMCMark(JSTaggedType addr); 36 bool IsMarked(JSTaggedType addr); 37 bool IsCMCMarked(JSTaggedType addr); 38 void Clear(); 39 void IterateMarked(const std::function<void(JSTaggedType)> &cb); 40 void IterateCMCMarked(const std::function<void(JSTaggedType)> &cb); 41 Count()42 uint32_t Count() const 43 { 44 return count_; 45 } 46 47 private: 48 static constexpr size_t BITSET_SIZE = DEFAULT_REGION_SIZE >> TAGGED_TYPE_SIZE_LOG; 49 static constexpr size_t CMC_BITSET_SIZE = common::RegionDesc::UNIT_SIZE >> TAGGED_TYPE_SIZE_LOG; 50 CUnorderedMap<Region *, std::bitset<BITSET_SIZE>> regionBitsetMap_ {}; 51 CUnorderedMap<JSTaggedType, std::bitset<CMC_BITSET_SIZE>> cmcRegionBitsetMap_ {}; 52 uint32_t count_ {0}; 53 }; 54 } // namespace panda::ecmascript 55 #endif // ECMASCRIPT_DFX_HPROF_HEAP_MARKER_H 56