mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-06 23:54:03 +00:00
399 lines
13 KiB
C++
399 lines
13 KiB
C++
/*
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* Copyright (c) 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_JSPANDAFILE_METHOD_LITERAL_H
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#define ECMASCRIPT_JSPANDAFILE_METHOD_LITERAL_H
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#include "ecmascript/base/aligned_struct.h"
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#include "ecmascript/compiler/share_gate_meta_data.h"
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#include "ecmascript/js_function_kind.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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using EntityId = panda_file::File::EntityId;
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using StringData = panda_file::File::StringData;
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struct PUBLIC_API MethodLiteral : public base::AlignedStruct<sizeof(uint64_t),
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base::AlignedUint64,
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base::AlignedPointer,
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base::AlignedUint64,
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base::AlignedUint64> {
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public:
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static constexpr uint8_t INVALID_IC_SLOT = 0xFFU;
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static constexpr uint16_t MAX_SLOT_SIZE = 0xFFFFU;
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PUBLIC_API explicit MethodLiteral(EntityId methodId);
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MethodLiteral() = delete;
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~MethodLiteral() = default;
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NO_COPY_SEMANTIC(MethodLiteral);
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NO_MOVE_SEMANTIC(MethodLiteral);
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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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using IsFastBuiltinBit = IsAotCodeBit::NextFlag; // offset 62
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using IsFastCallBit = IsFastBuiltinBit::NextFlag; // offset 63
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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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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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void PUBLIC_API Initialize(const JSPandaFile *jsPandaFile, const JSThread *thread = nullptr);
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bool HaveThisWithCallField() const
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{
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return HaveThisWithCallField(callField_);
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}
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bool HaveNewTargetWithCallField() const
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{
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return HaveNewTargetWithCallField(callField_);
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}
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bool HaveExtraWithCallField() const
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{
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return HaveExtraWithCallField(callField_);
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}
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bool HaveFuncWithCallField() const
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{
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return HaveFuncWithCallField(callField_);
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}
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bool IsNativeWithCallField() const
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{
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return IsNativeWithCallField(callField_);
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}
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uint32_t GetNumArgsWithCallField() const
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{
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return GetNumArgsWithCallField(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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uint32_t GetNumberVRegs() const
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{
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return GetNumVregsWithCallField() + GetNumArgs();
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}
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uint32_t GetNewTargetVregIndex() const
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{
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if (!HaveNewTargetWithCallField()) {
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return 0;
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}
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uint32_t numVregs = GetNumVregsWithCallField();
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return HaveFuncWithCallField() ? (numVregs + 1) : numVregs;
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}
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static uint64_t SetNativeBit(uint64_t callField, bool isNative)
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{
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return IsNativeBit::Update(callField, isNative);
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}
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static uint64_t SetAotCodeBit(uint64_t callField, bool isCompiled)
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{
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return IsAotCodeBit::Update(callField, isCompiled);
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}
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static bool HaveThisWithCallField(uint64_t callField)
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{
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return HaveThisBit::Decode(callField);
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}
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static bool HaveNewTargetWithCallField(uint64_t callField)
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{
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return HaveNewTargetBit::Decode(callField);
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}
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static bool HaveExtraWithCallField(uint64_t callField)
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{
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return HaveExtraBit::Decode(callField);
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}
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static bool HaveFuncWithCallField(uint64_t callField)
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{
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return HaveFuncBit::Decode(callField);
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}
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static bool IsNativeWithCallField(uint64_t callField)
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{
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return IsNativeBit::Decode(callField);
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}
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static bool IsAotWithCallField(uint64_t callField)
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{
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return IsAotCodeBit::Decode(callField);
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}
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static bool OnlyHaveThisWithCallField(uint64_t callField)
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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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static bool OnlyHaveNewTagetAndThisWithCallField(uint64_t callField)
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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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static uint32_t GetNumVregsWithCallField(uint64_t callField)
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{
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return NumVregsBits::Decode(callField);
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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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static uint32_t GetNumArgsWithCallField(uint64_t callField)
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{
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return NumArgsBits::Decode(callField);
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}
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static uint64_t SetIsFastCall(uint64_t callField, bool isFastCall)
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{
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return IsFastCallBit::Update(callField, isFastCall);
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}
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void SetIsFastCall(bool isFastCall)
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{
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callField_ = IsFastCallBit::Update(callField_, isFastCall);
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}
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static bool IsFastCall(uint64_t callField)
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{
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return IsFastCallBit::Decode(callField);
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}
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bool IsFastCall() const
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{
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return IsFastCallBit::Decode(callField_);
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}
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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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static constexpr size_t METHOD_SLOT_SIZE_BITS = 16;
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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<uint16_t, METHOD_SLOT_SIZE_BITS>; // offset 48-63
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static constexpr size_t BUILTINID_NUM_BITS = 8;
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static constexpr size_t FUNCTION_KIND_NUM_BITS = 4;
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static constexpr size_t EMPTY_BITS = 16;
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using BuiltinIdBits = BitField<uint8_t, 0, BUILTINID_NUM_BITS>; // offset 0-7
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using FunctionKindBits = BuiltinIdBits::NextField<FunctionKind, FUNCTION_KIND_NUM_BITS>; // offset 8-11
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using IsNoGCBit = FunctionKindBits::NextFlag; // offset 12
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using HasDebuggerStmtBit = IsNoGCBit::NextFlag; // offset 13
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using EmptyBit = HasDebuggerStmtBit::NextField<uint8_t, EMPTY_BITS>; // offset 14-29
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using IsSharedBit = EmptyBit::NextFlag; // offset 30
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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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EntityId GetMethodId() const
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{
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return EntityId(MethodIdBits::Decode(literalInfo_));
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}
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uint32_t GetSlotSize() const
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{
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auto size = SlotSizeBits::Decode(literalInfo_);
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return size == MAX_SLOT_SIZE ? MAX_SLOT_SIZE + 2 : size; // 2: last maybe two slot
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}
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uint8_t UpdateSlotSizeWith8Bit(uint16_t size)
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{
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uint16_t start = SlotSizeBits::Decode(literalInfo_);
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uint32_t end = start + size;
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// ic overflow
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if (end >= INVALID_IC_SLOT) {
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if (start < INVALID_IC_SLOT + 1) {
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literalInfo_ = SlotSizeBits::Update(literalInfo_, INVALID_IC_SLOT + 1);
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}
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return INVALID_IC_SLOT;
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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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void SetFunctionKind(FunctionKind kind)
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{
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extraLiteralInfo_ = FunctionKindBits::Update(extraLiteralInfo_, kind);
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}
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void SetNoGCBit(bool isNoGC)
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{
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extraLiteralInfo_ = IsNoGCBit::Update(extraLiteralInfo_, isNoGC);
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}
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bool IsNoGC() const
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{
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return IsNoGCBit::Decode(extraLiteralInfo_);
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}
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void SetHasDebuggerStmtBit(bool isDebuggerStmt)
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{
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extraLiteralInfo_ = HasDebuggerStmtBit::Update(extraLiteralInfo_, isDebuggerStmt);
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}
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bool HasDebuggerStmt() const
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{
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return HasDebuggerStmtBit::Decode(extraLiteralInfo_);
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}
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void SetIsShared(bool isShared)
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{
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extraLiteralInfo_ = IsSharedBit::Update(extraLiteralInfo_, isShared);
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}
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bool IsShared() const
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{
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return IsSharedBit::Decode(extraLiteralInfo_);
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}
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FunctionKind GetFunctionKind() const
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{
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return static_cast<FunctionKind>(FunctionKindBits::Decode(extraLiteralInfo_));
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}
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inline bool IsClassConstructor() const
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{
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return GetFunctionKind() == FunctionKind::CLASS_CONSTRUCTOR;
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}
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static inline int16_t GetHotnessCounter(uint64_t literalInfo)
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{
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return HotnessCounterBits::Decode(literalInfo);
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}
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static uint64_t SetHotnessCounter(uint64_t literalInfo, int16_t counter)
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{
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return HotnessCounterBits::Update(literalInfo, counter);
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}
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static uint64_t SetFunctionKind(uint64_t extraLiteralInfo, FunctionKind kind)
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{
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return FunctionKindBits::Update(extraLiteralInfo, kind);
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}
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static FunctionKind GetFunctionKind(uint64_t extraLiteralInfo)
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{
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return static_cast<FunctionKind>(FunctionKindBits::Decode(extraLiteralInfo));
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}
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static EntityId GetMethodId(uint64_t literalInfo)
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{
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return EntityId(MethodIdBits::Decode(literalInfo));
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}
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static uint16_t GetSlotSize(uint64_t literalInfo)
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{
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return SlotSizeBits::Decode(literalInfo);
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}
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static const char PUBLIC_API *GetMethodName(const JSPandaFile *jsPandaFile, EntityId methodId,
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bool cpuProfiler = false);
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static std::string PUBLIC_API ParseFunctionName(const JSPandaFile *jsPandaFile, EntityId methodId);
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static CString PUBLIC_API ParseFunctionNameToCString(const JSPandaFile *jsPandaFile, EntityId methodId);
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static uint32_t PUBLIC_API GetCodeSize(const JSPandaFile *jsPandaFile, EntityId methodId);
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static CString PUBLIC_API GetRecordName(const JSPandaFile *jsPandaFile, EntityId methodId);
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static const char PUBLIC_API *GetRecordNameWithSymbol(const JSPandaFile *jsPandaFile, EntityId methodId);
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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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const void* GetNativePointer() const
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{
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return nativePointerOrBytecodeArray_;
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}
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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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uint64_t GetExtraLiteralInfo() const
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{
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return extraLiteralInfo_;
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}
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std::optional<std::set<uint32_t>> GetConcurrentRequestedModules(const JSPandaFile *jsPandaFile) const;
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private:
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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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LITERAL_INFO_INDEX,
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EXTRA_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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void SetMethodId(EntityId methodId)
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{
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literalInfo_ = MethodIdBits::Update(literalInfo_, methodId.GetOffset());
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}
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void SetSlotSize(uint32_t size)
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{
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size = size > MAX_SLOT_SIZE ? MAX_SLOT_SIZE : size;
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literalInfo_ = SlotSizeBits::Update(literalInfo_, size);
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}
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alignas(EAS) uint64_t callField_ {0ULL};
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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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// hotnessCounter, methodId and slotSize are encoded in literalInfo_.
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alignas(EAS) uint64_t literalInfo_ {0ULL};
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// BuiltinId, FunctionKind are encoded in extraLiteralInfo_.
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alignas(EAS) uint64_t extraLiteralInfo_ {0ULL};
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};
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STATIC_ASSERT_EQ_ARCH(sizeof(MethodLiteral), MethodLiteral::SizeArch32, MethodLiteral::SizeArch64);
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JSPANDAFILE_METHOD_LITERAL_H
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