mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-08-27 10:41:15 -04:00
lifansheng
a725676a6c
Description Cut out most of the initialization logic in Runtime::Create and disconnect the inheritance relationship of most classes such as JSThread. Issue: #I53418: Runtime architecture adjustment Signed-off-by: lifansheng <lifansheng1@huawei.com> Change-Id: Ib9c1a40354f77d32e515e23334e7f4b4a4fa3259
511 lines
14 KiB
C++
511 lines
14 KiB
C++
/*
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* Copyright (c) 2021-2022 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 <atomic>
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#include "ecmascript/base/aligned_struct.h"
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#include "ecmascript/compiler/common_stubs.h"
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#include "ecmascript/compiler/interpreter_stub.h"
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#include "ecmascript/compiler/rt_call_signature.h"
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#include "ecmascript/dfx/vm_thread_control.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 EcmaHandleScope;
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class EcmaVM;
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class HeapRegionAllocator;
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class PropertiesCache;
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enum class MarkStatus : uint8_t {
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READY_TO_MARK,
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MARKING,
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MARK_FINISHED,
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};
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struct BCStubEntries {
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static constexpr size_t EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT = kungfu::BytecodeStubCSigns::NUM_OF_ALL_STUBS;
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// The number of bytecodes.
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static constexpr size_t BC_HANDLER_STUB_ENTRIES_COUNT = 0x100;
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static_assert(EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT <= BC_HANDLER_STUB_ENTRIES_COUNT);
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Address stubEntries_[BC_HANDLER_STUB_ENTRIES_COUNT] = {0};
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static constexpr size_t SizeArch32 = sizeof(uint32_t) * BC_HANDLER_STUB_ENTRIES_COUNT;
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static constexpr size_t SizeArch64 = sizeof(uint64_t) * BC_HANDLER_STUB_ENTRIES_COUNT;
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void Set(size_t index, Address addr)
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{
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assert(index < BC_HANDLER_STUB_ENTRIES_COUNT);
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stubEntries_[index] = addr;
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}
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void SetUnrealizedBCHandlerStubEntries(Address addr)
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{
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for (size_t i = 0; i < EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT; i++) {
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if (stubEntries_[i] == 0) {
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stubEntries_[i] = addr;
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}
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}
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}
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void SetNonexistentBCHandlerStubEntries(Address addr)
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{
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for (size_t i = EXISTING_BC_HANDLER_STUB_ENTRIES_COUNT; i < BC_HANDLER_STUB_ENTRIES_COUNT; i++) {
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if (stubEntries_[i] == 0) {
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stubEntries_[i] = addr;
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}
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}
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}
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Address* GetAddr()
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{
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return reinterpret_cast<Address*>(stubEntries_);
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}
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static int32_t GetStubEntryOffset(int32_t stubId)
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{
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#ifdef PANDA_TARGET_32
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return stubId * sizeof(uint32_t);
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#else
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return stubId * sizeof(uint64_t);
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#endif
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}
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};
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STATIC_ASSERT_EQ_ARCH(sizeof(BCStubEntries), BCStubEntries::SizeArch32, BCStubEntries::SizeArch64);
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struct RTStubEntries {
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static constexpr size_t COUNT = kungfu::RuntimeStubCSigns::NUM_OF_STUBS;
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Address stubEntries_[COUNT];
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static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT;
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static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT;
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void Set(size_t index, Address addr)
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{
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assert(index < COUNT);
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stubEntries_[index] = addr;
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}
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};
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STATIC_ASSERT_EQ_ARCH(sizeof(RTStubEntries), RTStubEntries::SizeArch32, RTStubEntries::SizeArch64);
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struct COStubEntries {
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static constexpr size_t COUNT = kungfu::CommonStubCSigns::NUM_OF_STUBS;
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Address stubEntries_[COUNT];
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static constexpr size_t SizeArch32 = sizeof(uint32_t) * COUNT;
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static constexpr size_t SizeArch64 = sizeof(uint64_t) * COUNT;
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void Set(size_t index, Address addr)
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{
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assert(index < COUNT);
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stubEntries_[index] = addr;
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}
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Address Get(size_t index)
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{
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assert(index < COUNT);
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return stubEntries_[index];
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}
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};
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STATIC_ASSERT_EQ_ARCH(sizeof(COStubEntries), COStubEntries::SizeArch32, COStubEntries::SizeArch64);
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class JSThread {
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public:
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static constexpr int CONCURRENT_MARKING_BITFIELD_NUM = 2;
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static constexpr uint32_t RESERVE_STACK_SIZE = 128;
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using MarkStatusBits = BitField<MarkStatus, 0, CONCURRENT_MARKING_BITFIELD_NUM>;
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using ThreadId = uint32_t;
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JSThread(EcmaVM *vm);
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PUBLIC_API ~JSThread();
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EcmaVM *GetEcmaVM() const
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{
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return vm_;
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}
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static JSThread *Create(EcmaVM *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 glueData_.currentFrame_;
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}
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void SetCurrentSPFrame(JSTaggedType *sp)
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{
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glueData_.currentFrame_ = sp;
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}
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const JSTaggedType *GetLastLeaveFrame() const
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{
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return glueData_.leaveFrame_;
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}
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void SetLastLeaveFrame(JSTaggedType *sp)
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{
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glueData_.leaveFrame_ = sp;
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}
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bool DoStackOverflowCheck(const JSTaggedType *sp);
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NativeAreaAllocator *GetNativeAreaAllocator() const
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{
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return nativeAreaAllocator_;
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}
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HeapRegionAllocator *GetHeapRegionAllocator() const
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{
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return heapRegionAllocator_;
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}
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void Iterate(const RootVisitor &v0, const RootRangeVisitor &v1);
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uintptr_t* PUBLIC_API ExpandHandleStorage();
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void PUBLIC_API 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 glueData_.exception_;
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}
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bool HasPendingException() const
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{
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return !glueData_.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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void SetGlobalObject(JSTaggedValue globalObject)
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{
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glueData_.globalObject_ = globalObject;
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}
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const GlobalEnvConstants *GlobalConstants() const
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{
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return &glueData_.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 SetCurrentLexenv(JSTaggedValue env);
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void RegisterRTInterface(size_t id, Address addr)
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{
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ASSERT(id < kungfu::RuntimeStubCSigns::NUM_OF_STUBS);
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glueData_.rtStubEntries_.Set(id, addr);
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}
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Address GetFastStubEntry(uint32_t id)
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{
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return glueData_.coStubEntries_.Get(id);
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}
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void SetFastStubEntry(size_t id, Address entry)
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{
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glueData_.coStubEntries_.Set(id, entry);
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}
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Address *GetBytecodeHandler()
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{
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return glueData_.bcStubEntries_.GetAddr();
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}
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void LoadStubsFromFile(std::string &fileName);
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ThreadId GetThreadId() const
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{
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return id_.load(std::memory_order_relaxed);
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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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void SetMarkStatus(MarkStatus status)
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{
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MarkStatusBits::Set(status, &glueData_.threadStateBitField_);
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}
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bool IsReadyToMark() const
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{
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auto status = MarkStatusBits::Decode(glueData_.threadStateBitField_);
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return status == MarkStatus::READY_TO_MARK;
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}
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bool IsMarking() const
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{
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auto status = MarkStatusBits::Decode(glueData_.threadStateBitField_);
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return status == MarkStatus::MARKING;
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}
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bool IsMarkFinished() const
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{
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auto status = MarkStatusBits::Decode(glueData_.threadStateBitField_);
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return status == MarkStatus::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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VmThreadControl *GetVmThreadControl() const
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{
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return vmThreadControl_;
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}
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static constexpr size_t GetGlueDataOffset()
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{
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return MEMBER_OFFSET(JSThread, glueData_);
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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) + GetGlueDataOffset();
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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 - GetGlueDataOffset());
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}
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struct GlueData : public base::AlignedStruct<JSTaggedValue::TaggedTypeSize(),
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JSTaggedValue,
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JSTaggedValue,
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base::AlignedPointer,
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base::AlignedPointer,
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BCStubEntries,
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RTStubEntries,
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COStubEntries,
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base::AlignedUint64,
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base::AlignedPointer,
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GlobalEnvConstants> {
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enum class Index : size_t {
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ExceptionIndex = 0,
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GlobalObjIndex,
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CurrentFrameIndex,
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LeaveFrameIndex,
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BCStubEntriesIndex,
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RTStubEntriesIndex,
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COStubEntriesIndex,
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StateBitFieldIndex,
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FrameBaseIndex,
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GlobalConstIndex,
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NumOfMembers
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};
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static_assert(static_cast<size_t>(Index::NumOfMembers) == NumOfTypes);
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static size_t GetExceptionOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::ExceptionIndex)>(isArch32);
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}
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static size_t GetGlobalObjOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::GlobalObjIndex)>(isArch32);
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}
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static size_t GetGlobalConstOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::GlobalConstIndex)>(isArch32);
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}
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static size_t GetStateBitFieldOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::StateBitFieldIndex)>(isArch32);
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}
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static size_t GetCurrentFrameOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::CurrentFrameIndex)>(isArch32);
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}
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static size_t GetLeaveFrameOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::LeaveFrameIndex)>(isArch32);
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}
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static size_t GetBCStubEntriesOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::BCStubEntriesIndex)>(isArch32);
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}
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static size_t GetRTStubEntriesOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::RTStubEntriesIndex)>(isArch32);
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}
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static size_t GetCOStubEntriesOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::COStubEntriesIndex)>(isArch32);
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}
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static size_t GetFrameBaseOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::FrameBaseIndex)>(isArch32);
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}
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alignas(EAS) JSTaggedValue exception_ {JSTaggedValue::Hole()};
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alignas(EAS) JSTaggedValue globalObject_ {JSTaggedValue::Hole()};
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alignas(EAS) JSTaggedType *currentFrame_ {nullptr};
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alignas(EAS) JSTaggedType *leaveFrame_ {nullptr};
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alignas(EAS) BCStubEntries bcStubEntries_;
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alignas(EAS) RTStubEntries rtStubEntries_;
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alignas(EAS) COStubEntries coStubEntries_;
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alignas(EAS) volatile uint64_t threadStateBitField_ {0ULL};
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alignas(EAS) JSTaggedType *frameBase_ {nullptr};
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alignas(EAS) GlobalEnvConstants globalConst_;
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};
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static_assert(MEMBER_OFFSET(GlueData, rtStubEntries_) == ASM_GLUE_RUNTIME_FUNCTIONS_OFFSET);
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static_assert(MEMBER_OFFSET(GlueData, currentFrame_) == ASM_GLUE_CURRENT_FRAME_OFFSET);
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static_assert(MEMBER_OFFSET(GlueData, leaveFrame_) == ASM_GLUE_LEAVE_FRAME_OFFSET);
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#ifdef ECMASCRIPT_ENABLE_TEST_STUB
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static_assert(MEMBER_OFFSET(GlueData, coStubEntries_) == ASM_GLUE_COMSTUB_ENTRY_OFFSET);
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#endif
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STATIC_ASSERT_EQ_ARCH(sizeof(GlueData), GlueData::SizeArch32, GlueData::SizeArch64);
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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 = 512 * 1024;
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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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std::atomic<ThreadId> id_;
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EcmaVM *vm_ {nullptr};
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// MM: handles, global-handles, and aot-stubs.
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int nestedLevel_ = 0;
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NativeAreaAllocator *nativeAreaAllocator_ {nullptr};
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HeapRegionAllocator *heapRegionAllocator_ {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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PropertiesCache *propertiesCache_ {nullptr};
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EcmaGlobalStorage *globalStorage_ {nullptr};
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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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VmThreadControl *vmThreadControl_ {nullptr};
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bool stableArrayElementsGuardians_ {true};
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GlueData glueData_;
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friend class EcmaHandleScope;
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friend class GlobalHandleCollection;
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};
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static_assert(JSThread::GetGlueDataOffset() == ASM_GLUE_TO_THREAD_OFFSET);
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JS_THREAD_H
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