mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 16:13:49 +00:00
4ee0455c00
Change-Id: Ic990c5f11caeb3075033719a13e759baaf6dfefb
393 lines
11 KiB
C++
393 lines
11 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_JS_THREAD_H
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#define ECMASCRIPT_JS_THREAD_H
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#include "include/thread.h"
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#include "ecmascript/compiler/fast_stub_define.h"
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#include "ecmascript/ecma_global_storage.h"
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#include "ecmascript/frames.h"
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#include "ecmascript/global_env_constants.h"
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#include "ecmascript/mem/object_xray.h"
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namespace panda::ecmascript {
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class EcmaVM;
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class RegionFactory;
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class InternalCallParams;
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class PropertiesCache;
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enum class GCState : uint8_t {
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NOT_BEGIN_MARK,
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MARKING,
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MARK_FINISHED
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};
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class JSThread : public ManagedThread {
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public:
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static constexpr int CONCURRENT_MARKING_BITFIELD_NUM = 2;
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using GCStateBits = BitField<GCState, 0, CONCURRENT_MARKING_BITFIELD_NUM>;
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using Address = uintptr_t;
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static JSThread *Cast(ManagedThread *thread)
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{
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ASSERT(thread != nullptr);
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return reinterpret_cast<JSThread *>(thread);
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}
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JSThread(Runtime *runtime, PandaVM *vm);
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~JSThread() override;
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EcmaVM *GetEcmaVM() const;
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static JSThread *Create(Runtime *runtime, PandaVM *vm);
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int GetNestedLevel() const
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{
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return nestedLevel_;
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}
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void SetNestedLevel(int level)
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{
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nestedLevel_ = level;
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}
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const JSTaggedType *GetCurrentSPFrame() const
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{
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return currentFrame_;
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}
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void SetCurrentSPFrame(JSTaggedType *sp)
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{
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currentFrame_ = sp;
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}
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bool DoStackOverflowCheck(const JSTaggedType *sp);
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RegionFactory *GetRegionFactory() const
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{
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return regionFactory_;
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}
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void Iterate(const RootVisitor &v0, const RootRangeVisitor &v1);
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uintptr_t *ExpandHandleStorage();
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void ShrinkHandleStorage(int prevIndex);
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JSTaggedType *GetHandleScopeStorageNext() const
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{
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return handleScopeStorageNext_;
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}
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void SetHandleScopeStorageNext(JSTaggedType *value)
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{
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handleScopeStorageNext_ = value;
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}
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JSTaggedType *GetHandleScopeStorageEnd() const
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{
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return handleScopeStorageEnd_;
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}
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void SetHandleScopeStorageEnd(JSTaggedType *value)
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{
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handleScopeStorageEnd_ = value;
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}
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int GetCurrentHandleStorageIndex()
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{
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return currentHandleStorageIndex_;
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}
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void HandleScopeCountAdd()
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{
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handleScopeCount_++;
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}
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void HandleScopeCountDec()
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{
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handleScopeCount_--;
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}
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void SetException(JSTaggedValue exception);
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JSTaggedValue GetException() const
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{
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return exception_;
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}
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bool HasPendingException() const
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{
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return !exception_.IsHole();
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}
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void ClearException();
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EcmaGlobalStorage *GetEcmaGlobalStorage() const
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{
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return globalStorage_;
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}
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const GlobalEnvConstants *GlobalConstants() const
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{
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return &globalConst_;
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}
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void NotifyStableArrayElementsGuardians(JSHandle<JSObject> receiver);
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bool IsStableArrayElementsGuardiansInvalid() const
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{
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return !stableArrayElementsGuardians_;
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}
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void ResetGuardians();
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JSTaggedValue GetCurrentLexenv() const;
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void SetRuntimeFunction(uint32_t id, Address functionAddress)
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{
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ASSERT(id < MAX_RUNTIME_FUNCTIONS);
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runtimeFunctions_[id] = functionAddress;
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}
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Address GetFastStubEntry(uint32_t id)
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{
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ASSERT(id < kungfu::FAST_STUB_MAXCOUNT);
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return fastStubEntries_[id];
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}
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void SetFastStubEntry(uint32_t id, Address entry)
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{
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ASSERT(id < kungfu::FAST_STUB_MAXCOUNT);
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fastStubEntries_[id] = entry;
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}
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void InitializeFastRuntimeStubs();
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void LoadFastStubModule(const char *moduleFile);
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InternalCallParams *GetInternalCallParams() const
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{
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return internalCallParams_;
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}
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ThreadId GetThreadId() const
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{
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return GetId();
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}
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static ThreadId GetCurrentThreadId()
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{
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return os::thread::GetCurrentThreadId();
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}
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void IterateWeakEcmaGlobalStorage(const WeakRootVisitor &visitor);
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PropertiesCache *GetPropertiesCache() const
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{
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return propertiesCache_;
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}
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static constexpr uint32_t GetPropertiesCacheOffset()
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{
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return MEMBER_OFFSET(JSThread, propertiesCache_);
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}
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static constexpr uint32_t GetGlobalConstantsOffset()
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{
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return MEMBER_OFFSET(JSThread, globalConst_);
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}
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static constexpr uint32_t GetGlobalStorageOffset()
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{
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return MEMBER_OFFSET(JSThread, globalStorage_);
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}
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static constexpr uint32_t GetCurrentFrameOffset()
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{
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return MEMBER_OFFSET(JSThread, currentFrame_);
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}
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static constexpr uint32_t GetRuntimeFunctionsOffset()
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{
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return MEMBER_OFFSET(JSThread, runtimeFunctions_);
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}
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static constexpr uint32_t GetFastStubEntriesOffset()
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{
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return MEMBER_OFFSET(JSThread, fastStubEntries_);
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}
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void SetGCState(GCState status)
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{
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uint64_t newVal = GCStateBits::Update(threadStateBitField_, status);
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threadStateBitField_ = newVal;
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}
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bool IsNotBeginMark() const
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{
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auto status = GCStateBits::Decode(threadStateBitField_);
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return status == GCState::NOT_BEGIN_MARK;
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}
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bool IsMarking() const
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{
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auto status = GCStateBits::Decode(threadStateBitField_);
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return status == GCState::MARKING;
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}
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bool IsMarkFinished() const
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{
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auto status = GCStateBits::Decode(threadStateBitField_);
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return status == GCState::MARK_FINISHED;
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}
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bool CheckSafepoint() const;
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void SetGetStackSignal(bool isParseStack)
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{
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getStackSignal_ = isParseStack;
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}
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bool GetStackSignal() const
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{
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return getStackSignal_;
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}
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void SetGcState(bool gcState)
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{
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gcState_ = gcState;
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}
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bool GetGcState() const
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{
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return gcState_;
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}
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static constexpr uint32_t GetExceptionOffset()
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{
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return MEMBER_OFFSET(JSThread, exception_);
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}
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uintptr_t GetGlueAddr() const
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{
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return reinterpret_cast<uintptr_t>(this) + GetExceptionOffset();
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}
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static JSThread *GlueToJSThread(uintptr_t glue)
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{
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// very careful to modify here
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return reinterpret_cast<JSThread *>(glue - GetExceptionOffset());
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}
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static constexpr uint32_t MAX_RUNTIME_FUNCTIONS =
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kungfu::EXTERN_RUNTIME_STUB_MAXCOUNT - kungfu::EXTERNAL_RUNTIME_STUB_BEGIN - 1;
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// The sequence must be the same as that of the GLUE members.
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enum class GlueID : uint8_t {
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EXCEPTION = 0U,
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GLOBAL_CONST,
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PROPERTIES_CACHE,
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GLOBAL_STORAGE,
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CURRENT_FRAME,
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RUNTIME_FUNCTIONS,
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FAST_STUB_ENTRIES,
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FRAME_STATE_SIZE,
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OPT_LEAVE_FRAME_SIZE,
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OPT_LEAVE_FRAME_PREV_OFFSET,
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NUMBER_OF_GLUE,
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};
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private:
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NO_COPY_SEMANTIC(JSThread);
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NO_MOVE_SEMANTIC(JSThread);
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void DumpStack() DUMP_API_ATTR;
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static constexpr uint32_t MAX_STACK_SIZE = 128 * 1024;
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static constexpr uint32_t RESERVE_STACK_SIZE = 128;
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static const uint32_t NODE_BLOCK_SIZE_LOG2 = 10;
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static const uint32_t NODE_BLOCK_SIZE = 1U << NODE_BLOCK_SIZE_LOG2;
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static constexpr int32_t MIN_HANDLE_STORAGE_SIZE = 2;
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// MM: handles, global-handles, and aot-stubs.
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int nestedLevel_ = 0;
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RegionFactory *regionFactory_ {nullptr};
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JSTaggedType *handleScopeStorageNext_ {nullptr};
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JSTaggedType *handleScopeStorageEnd_ {nullptr};
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std::vector<std::array<JSTaggedType, NODE_BLOCK_SIZE> *> handleStorageNodes_ {};
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int32_t currentHandleStorageIndex_ {-1};
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int32_t handleScopeCount_ {0};
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JSTaggedValue stubCode_ {JSTaggedValue::Hole()};
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// Run-time state
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bool getStackSignal_ {false};
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bool gcState_ {false};
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volatile uint64_t threadStateBitField_ {0ULL};
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JSTaggedType *frameBase_ {nullptr};
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bool stableArrayElementsGuardians_ {true};
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InternalCallParams *internalCallParams_ {nullptr};
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// GLUE members start, very careful to modify here
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JSTaggedValue exception_ {JSTaggedValue::Hole()};
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GlobalEnvConstants globalConst_; // Place-Holder
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PropertiesCache *propertiesCache_ {nullptr};
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EcmaGlobalStorage *globalStorage_ {nullptr};
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JSTaggedType *currentFrame_ {nullptr};
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Address runtimeFunctions_[MAX_RUNTIME_FUNCTIONS];
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Address fastStubEntries_[kungfu::FAST_STUB_MAXCOUNT];
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friend class EcmaHandleScope;
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friend class GlobalHandleCollection;
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};
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#define GLUE_OFFSET_LIST(V) \
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V(GLOBAL_CONSTANTS, GlobalConstants, EXCEPTION, \
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JSTaggedValue::TaggedTypeSize(), JSTaggedValue::TaggedTypeSize()) \
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V(PROPERTIES_CACHE, PropertiesCache, GLOBAL_CONSTANTS, \
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static_cast<uint32_t>(ConstantIndex::CONSTATNT_COUNT) * JSTaggedValue::TaggedTypeSize(), \
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static_cast<uint32_t>(ConstantIndex::CONSTATNT_COUNT) * JSTaggedValue::TaggedTypeSize()) \
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V(GLOBAL_STORAGE, GlobalStorage, PROPERTIES_CACHE, sizeof(uint32_t), sizeof(uint64_t)) \
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V(CURRENT_FRAME, CurrentFrame, GLOBAL_STORAGE, sizeof(uint32_t), sizeof(uint64_t)) \
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V(RUNTIME_FUNCTIONS, RuntimeFunctions, CURRENT_FRAME, sizeof(uint32_t), sizeof(uint64_t)) \
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V(FASTSTUB_ENTRIES, FastStubEntries, RUNTIME_FUNCTIONS, \
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JSThread::MAX_RUNTIME_FUNCTIONS * sizeof(uint32_t), \
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JSThread::MAX_RUNTIME_FUNCTIONS * sizeof(uint64_t)) \
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static constexpr uint32_t GLUE_EXCEPTION_OFFSET_32 = 0U;
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static constexpr uint32_t GLUE_EXCEPTION_OFFSET_64 = 0U;
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#define GLUE_OFFSET_MACRO(name, camelName, lastName, lastSize32, lastSize64) \
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static constexpr uint32_t GLUE_##name##_OFFSET_32 = GLUE_##lastName##_OFFSET_32 + (lastSize32); \
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static constexpr uint32_t GLUE_##name##_OFFSET_64 = GLUE_##lastName##_OFFSET_64 + (lastSize64);
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GLUE_OFFSET_LIST(GLUE_OFFSET_MACRO)
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#undef GLUE_OFFSET_MACRO
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#ifdef PANDA_TARGET_32
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#define GLUE_OFFSET_MACRO(name, camelName, lastName, lastSize32, lastSize64) \
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static_assert(GLUE_##name##_OFFSET_32 == \
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(JSThread::Get##camelName##Offset() - JSThread::GetExceptionOffset()));
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GLUE_OFFSET_LIST(GLUE_OFFSET_MACRO)
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#undef GLUE_OFFSET_MACRO
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#endif
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#ifdef PANDA_TARGET_64
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#define GLUE_OFFSET_MACRO(name, camelName, lastName, lastSize32, lastSize64) \
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static_assert(GLUE_##name##_OFFSET_64 == \
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(JSThread::Get##camelName##Offset() - JSThread::GetExceptionOffset()));
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GLUE_OFFSET_LIST(GLUE_OFFSET_MACRO)
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#undef GLUE_OFFSET_MACRO
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#endif
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JS_THREAD_H
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