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 #ifndef PANDA_RUNTIME_MEM_GC_G1_G1_EVACUATE_REGIONS_WORKER_STATE_H 16 #define PANDA_RUNTIME_MEM_GC_G1_G1_EVACUATE_REGIONS_WORKER_STATE_H 17 18 #include "runtime/mem/lock_config_helper.h" 19 #include "runtime/include/coretypes/tagged_value.h" 20 #include "runtime/mark_word.h" 21 #include "runtime/include/mem/panda_containers.h" 22 #include "runtime/mem/gc/g1/g1-object-pointer-handlers.h" 23 #include "runtime/mem/gc/g1/gc_evacuate_regions_task_stack.h" 24 25 namespace ark::mem { 26 template <typename LanguageConfig> 27 class G1GC; 28 29 template <MTModeT MODE> 30 class ObjectAllocatorG1; 31 32 class CardTable; 33 34 /// Data and methods to evacuate live objects by one worker. 35 template <typename LanguageConfig> 36 class G1EvacuateRegionsWorkerState { 37 public: 38 using Ref = typename ObjectReference<LanguageConfig::LANG_TYPE>::Type; 39 40 G1EvacuateRegionsWorkerState(G1GC<LanguageConfig> *gc, GCEvacuateRegionsTaskStack<Ref> *refStack); 41 ~G1EvacuateRegionsWorkerState(); 42 43 NO_COPY_SEMANTIC(G1EvacuateRegionsWorkerState); 44 NO_MOVE_SEMANTIC(G1EvacuateRegionsWorkerState); 45 46 void ProcessRef(Ref p); 47 PushToQueue(Ref p)48 void PushToQueue(Ref p) 49 { 50 refStack_->PushToStack(p); 51 } 52 53 /// Evacuate single live object, traverse its fields and enqueue found references to the queue_ 54 ObjectHeader *Evacuate(ObjectHeader *obj, MarkWord markWord); 55 GetGC()56 G1GC<LanguageConfig> *GetGC() 57 { 58 return gc_; 59 } 60 GetCopiedBytesYoung()61 size_t GetCopiedBytesYoung() const 62 { 63 return copiedBytesYoung_; 64 } 65 GetCopiedObjectsYoung()66 size_t GetCopiedObjectsYoung() const 67 { 68 return copiedObjectsYoung_; 69 } 70 GetCopiedBytesOld()71 size_t GetCopiedBytesOld() const 72 { 73 return copiedBytesOld_; 74 } 75 GetCopiedObjectsOld()76 size_t GetCopiedObjectsOld() const 77 { 78 return copiedObjectsOld_; 79 } 80 GetLiveBytes()81 size_t GetLiveBytes() const 82 { 83 return liveBytes_; 84 } 85 GetRegionTo()86 Region *GetRegionTo() 87 { 88 return regionTo_; 89 } 90 IsSameRegion(void * ref,void * obj)91 bool IsSameRegion(void *ref, void *obj) const 92 { 93 return ark::mem::IsSameRegion(ref, obj, regionSizeBits_); 94 } 95 EnqueueCard(void * p)96 void EnqueueCard(void *p) 97 { 98 auto *card = cardTable_->GetCardPtr(ToUintPtr(p)); 99 if (card != latestCard_) { 100 cardQueue_.insert(card); 101 latestCard_ = card; 102 } 103 } 104 105 template <typename Visitor> VisitCards(Visitor visitor)106 void VisitCards(Visitor visitor) 107 { 108 for (auto *card : cardQueue_) { 109 visitor(card); 110 } 111 } 112 113 void EvacuateLiveObjects(); 114 void EvacuateNonHeapRoots(); 115 size_t ScanRemset(const RemSet<> &remset); 116 117 private: 118 void IterateRefsInMemRange(const MemRange &memRange, Region *region); 119 GetNextRegion()120 Region *GetNextRegion() 121 { 122 auto *region = objectAllocator_->template PopFromOldRegionQueue<true>(); 123 if (region != nullptr) { 124 return region; 125 } 126 return CreateNewRegion(); 127 } 128 CreateNewRegion()129 Region *CreateNewRegion() 130 { 131 return objectAllocator_->template CreateAndSetUpNewOldRegion<true>(); 132 } 133 134 ObjectHeader *SetForwardAddress(ObjectHeader *src, ObjectHeader *dst, MarkWord markWord); 135 136 G1GC<LanguageConfig> *gc_; 137 ObjectAllocatorG1<LanguageConfig::MT_MODE> *objectAllocator_; 138 CardTable *cardTable_; 139 size_t regionSizeBits_; 140 GCAdaptiveStack<Ref> *refStack_; 141 EvacuationObjectPointerHandler<LanguageConfig> evacuationObjectPointerHandler_; 142 143 PandaSet<CardTable::CardPtr> cardQueue_; 144 CardTable::CardPtr latestCard_ {nullptr}; 145 146 size_t copiedBytesYoung_ {0}; 147 size_t copiedObjectsYoung_ {0}; 148 size_t copiedBytesOld_ {0}; 149 size_t copiedObjectsOld_ {0}; 150 size_t liveBytes_ {0}; 151 Region *regionTo_ {nullptr}; 152 }; 153 } // namespace ark::mem 154 #endif 155