mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
82fdca377f
1.Adjust the logic of IC for LdGlobalVar 2.Adjust the logic of IC for TryLdGlobalByName 3.Add set as SetAsMega for LoadMiss and StoreMiss 4.Container test case refactoring issue: https://gitee.com/openharmony/ark_js_runtime/issues/I5CJO2 Signed-off-by: xliu <liuxin259@huawei.com> Change-Id: I3c531d072c5f2e4b6508544d9420ad4817943c24
269 lines
8.4 KiB
C++
269 lines
8.4 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_METHOD_H
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#define ECMASCRIPT_JS_METHOD_H
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#include "ecmascript/base/aligned_struct.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/mem/c_string.h"
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#include "libpandafile/file.h"
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static constexpr uint32_t CALL_TYPE_MASK = 0xF; // 0xF: the last 4 bits are used as callType
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namespace panda::ecmascript {
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class JSPandaFile;
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struct PUBLIC_API JSMethod : public base::AlignedStruct<sizeof(uint64_t),
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base::AlignedUint64,
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base::AlignedPointer,
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base::AlignedPointer,
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base::AlignedUint64> {
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enum class Index : size_t {
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CALL_FIELD_INDEX = 0,
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NATIVE_POINTER_OR_BYTECODE_ARRAY_INDEX,
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JS_PANDA_FILE_INDEX,
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LITERAL_INFO_INDEX,
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NUM_OF_MEMBERS
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};
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static_assert(static_cast<size_t>(Index::NUM_OF_MEMBERS) == NumOfTypes);
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static constexpr uint8_t MAX_SLOT_SIZE = 0xFF;
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JSMethod(const JSPandaFile *jsPandaFile, panda_file::File::EntityId fileId);
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JSMethod() = delete;
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~JSMethod() = default;
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JSMethod(const JSMethod &) = delete;
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JSMethod(JSMethod &&) = delete;
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JSMethod &operator=(const JSMethod &) = delete;
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JSMethod &operator=(JSMethod &&) = delete;
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static size_t GetBytecodeArrayOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::NATIVE_POINTER_OR_BYTECODE_ARRAY_INDEX)>(isArch32);
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}
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const uint8_t *GetBytecodeArray() const
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{
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return reinterpret_cast<const uint8_t *>(nativePointerOrBytecodeArray_);
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}
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void SetBytecodeArray(const uint8_t *bc)
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{
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nativePointerOrBytecodeArray_ = reinterpret_cast<const void *>(bc);
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}
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static constexpr size_t VREGS_ARGS_NUM_BITS = 28; // 28: maximum 268,435,455
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using HaveThisBit = BitField<bool, 0, 1>; // offset 0
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using HaveNewTargetBit = HaveThisBit::NextFlag; // offset 1
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using HaveExtraBit = HaveNewTargetBit::NextFlag; // offset 2
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using HaveFuncBit = HaveExtraBit::NextFlag; // offset 3
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using NumVregsBits = HaveFuncBit::NextField<uint32_t, VREGS_ARGS_NUM_BITS>; // offset 4-31
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using NumArgsBits = NumVregsBits::NextField<uint32_t, VREGS_ARGS_NUM_BITS>; // offset 32-59
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using IsNativeBit = NumArgsBits::NextFlag; // offset 60
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using IsAotCodeBit = IsNativeBit::NextFlag; // offset 61
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uint64_t GetCallField() const
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{
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return callField_;
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}
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static size_t GetCallFieldOffset(bool isArch32)
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{
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return GetOffset<static_cast<size_t>(Index::CALL_FIELD_INDEX)>(isArch32);
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}
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void SetNumArgsWithCallField(uint32_t numargs)
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{
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callField_ = NumArgsBits::Update(callField_, numargs);
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}
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void SetNativeBit(bool isNative)
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{
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callField_ = IsNativeBit::Update(callField_, isNative);
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}
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void SetAotCodeBit(bool isCompiled)
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{
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callField_ = IsAotCodeBit::Update(callField_, isCompiled);
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}
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std::string PUBLIC_API ParseFunctionName() const;
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void InitializeCallField(uint32_t numVregs, uint32_t numArgs);
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bool HaveThisWithCallField() const
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{
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return HaveThisBit::Decode(callField_);
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}
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bool HaveNewTargetWithCallField() const
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{
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return HaveNewTargetBit::Decode(callField_);
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}
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bool HaveExtraWithCallField() const
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{
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return HaveExtraBit::Decode(callField_);
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}
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bool HaveFuncWithCallField() const
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{
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return HaveFuncBit::Decode(callField_);
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}
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bool IsNativeWithCallField() const
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{
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return IsNativeBit::Decode(callField_);
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}
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bool OnlyHaveThisWithCallField() const
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{
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return (callField_ & CALL_TYPE_MASK) == 1; // 1: the first bit of callFiled is HaveThisBit
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}
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bool OnlyHaveNewTagetAndThisWithCallField() const
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{
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return (callField_ & CALL_TYPE_MASK) == 0b11; // the first two bit of callFiled is `This` and `NewTarget`
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}
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uint32_t GetNumVregsWithCallField() const
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{
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return NumVregsBits::Decode(callField_);
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}
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uint32_t GetNumArgsWithCallField() const
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{
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return NumArgsBits::Decode(callField_);
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}
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uint32_t GetNumArgs() const
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{
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return GetNumArgsWithCallField() + HaveFuncWithCallField() +
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HaveNewTargetWithCallField() + HaveThisWithCallField();
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}
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const JSPandaFile *GetJSPandaFile() const
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{
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return jsPandaFile_;
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}
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const char * PUBLIC_API GetMethodName() const;
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static constexpr size_t METHOD_ARGS_NUM_BYTES = 8;
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static constexpr size_t METHOD_ARGS_NUM_BITS = 16;
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static constexpr size_t METHOD_ARGS_METHODID_BITS = 32;
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using HotnessCounterBits = BitField<int16_t, 0, METHOD_ARGS_NUM_BITS>; // offset 0-15
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using MethodIdBits = HotnessCounterBits::NextField<uint32_t, METHOD_ARGS_METHODID_BITS>; // offset 16-47
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using SlotSizeBits = MethodIdBits::NextField<uint8_t, METHOD_ARGS_NUM_BYTES>; // offset 48-55
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uint32_t GetBytecodeArraySize() const;
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inline int16_t GetHotnessCounter() const
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{
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return HotnessCounterBits::Decode(literalInfo_);
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}
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static size_t GetHotnessCounterOffset(bool isArch32)
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{
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// hotness counter is encoded in a js method field, the first uint16_t in a uint64_t.
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return GetOffset<static_cast<size_t>(Index::LITERAL_INFO_INDEX)>(isArch32);
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}
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inline NO_THREAD_SANITIZE void IncreaseHotnessCounter()
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{
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auto hotnessCounter = HotnessCounterBits::Decode(literalInfo_);
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literalInfo_ = HotnessCounterBits::Update(literalInfo_, ++hotnessCounter);
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}
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NO_THREAD_SANITIZE void ResetHotnessCounter()
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{
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literalInfo_ = HotnessCounterBits::Update(literalInfo_, 0);
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}
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inline NO_THREAD_SANITIZE void SetHotnessCounter(int16_t counter)
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{
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literalInfo_ = HotnessCounterBits::Update(literalInfo_, counter);
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}
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panda_file::File::EntityId GetMethodId() const
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{
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return panda_file::File::EntityId(MethodIdBits::Decode(literalInfo_));
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}
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void SetMethodId(panda_file::File::EntityId methodId)
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{
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literalInfo_ = MethodIdBits::Update(literalInfo_, methodId.GetOffset());
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}
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uint8_t GetSlotSize() const
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{
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return SlotSizeBits::Decode(literalInfo_);;
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}
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uint8_t UpdateSlotSize(uint8_t size)
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{
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uint8_t start = GetSlotSize();
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uint16_t end = start + size;
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if (end >= MAX_SLOT_SIZE) {
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literalInfo_ = SlotSizeBits::Update(literalInfo_, MAX_SLOT_SIZE);
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return MAX_SLOT_SIZE - 1; // prevent solt + 1 overflow
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}
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literalInfo_ = SlotSizeBits::Update(literalInfo_, static_cast<uint8_t>(end));
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return start;
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}
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uint32_t PUBLIC_API GetNumVregs() const;
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uint32_t GetCodeSize() const;
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uint32_t GetCodeSize(panda_file::File::EntityId methodId) const;
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panda_file::File::StringData GetName() const;
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const void* GetNativePointer() const
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{
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return nativePointerOrBytecodeArray_;
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}
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void SetNativePointer(const void *nativePointer)
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{
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nativePointerOrBytecodeArray_ = nativePointer;
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}
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static constexpr size_t GetNativePointerOffset()
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{
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return MEMBER_OFFSET(JSMethod, nativePointerOrBytecodeArray_);
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}
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const panda_file::File *GetPandaFile() const;
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uint64_t GetLiteralInfo() const
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{
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return literalInfo_;
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}
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alignas(EAS) uint64_t callField_ {0};
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// Native method decides this filed is NativePointer or BytecodeArray pointer.
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alignas(EAS) const void *nativePointerOrBytecodeArray_ {nullptr};
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alignas(EAS) const JSPandaFile *jsPandaFile_ {nullptr};
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// hotnessCounter, methodId and slotSize are encoded in literalInfo_.
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alignas(EAS) uint64_t literalInfo_ {0};
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};
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STATIC_ASSERT_EQ_ARCH(sizeof(JSMethod), JSMethod::SizeArch32, JSMethod::SizeArch64);
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JS_METHOD_H
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