mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 16:13:49 +00:00
c9f42a0bc9
The information of the symbols inside AOT-generated AN file should be fixed to support profiling tools parsing. After fixing the missing symbol information, the call-stack would display the functions' symbols in perf data. Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I7ZA9B Testing: unittests/test262/workload Signed-off-by: wuzhefeng <wuzhefeng1@huawei.com> Change-Id: I9c822fc81577e496383ba86eec53246165cb7b15
243 lines
7.9 KiB
C++
243 lines
7.9 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_COMPILER_BINARY_SECTION_H
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#define ECMASCRIPT_COMPILER_BINARY_SECTION_H
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#include <string>
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#include <map>
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#include "ecmascript/common.h"
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#include "llvm/BinaryFormat/ELF.h"
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namespace panda::ecmascript {
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enum class ElfSecName : uint8_t {
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NONE,
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RODATA,
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RODATA_CST4,
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RODATA_CST8,
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RODATA_CST16,
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RODATA_CST32,
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TEXT,
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ARK_ASMSTUB,
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DATA,
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GOT,
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RELATEXT,
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STRTAB,
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SYMTAB,
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SHSTRTAB,
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LLVM_STACKMAP,
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ARK_FUNCENTRY,
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ARK_STACKMAP,
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ARK_MODULEINFO,
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SIZE
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};
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enum ElfSecFeature : uint8_t {
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NOT_VALID,
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VALID_NOT_SEQUENTIAL = 1,
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VALID_AND_SEQUENTIAL = (1 << 1) | 1,
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VALID_MASK = 0x1,
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SEQUENTIAL_MASK = 0x2
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};
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class PUBLIC_API ElfSection {
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public:
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ElfSection() = delete;
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explicit ElfSection(ElfSecName idx)
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{
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value_ = idx;
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InitShTypeAndFlag();
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}
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explicit ElfSection(size_t idx)
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{
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value_ = static_cast<ElfSecName>(idx);
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InitShTypeAndFlag();
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}
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explicit ElfSection(std::string str)
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{
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if (str.compare(".rodata") == 0) {
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value_ = ElfSecName::RODATA;
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} else if (str.compare(".rodata.cst4") == 0) {
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value_ = ElfSecName::RODATA_CST4;
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} else if (str.compare(".rodata.cst8") == 0) {
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value_ = ElfSecName::RODATA_CST8;
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} else if (str.compare(".rodata.cst16") == 0) {
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value_ = ElfSecName::RODATA_CST16;
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} else if (str.compare(".rodata.cst32") == 0) {
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value_ = ElfSecName::RODATA_CST32;
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} else if (str.compare(".text") == 0) {
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value_ = ElfSecName::TEXT;
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} else if (str.compare(".data") == 0) {
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value_ = ElfSecName::DATA;
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} else if (str.compare(".got") == 0) {
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value_ = ElfSecName::GOT;
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} else if (str.compare(".rela.text") == 0) {
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value_ = ElfSecName::RELATEXT;
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} else if (str.compare(".strtab") == 0) {
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value_ = ElfSecName::STRTAB;
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} else if (str.compare(".symtab") == 0) {
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value_ = ElfSecName::SYMTAB;
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} else if (str.compare(".shstrtab") == 0) {
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value_ = ElfSecName::SHSTRTAB;
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} else if (str.compare(".llvm_stackmaps") == 0) {
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value_ = ElfSecName::LLVM_STACKMAP;
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} else if (str.compare(".ark_stackmaps") == 0) {
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value_ = ElfSecName::ARK_STACKMAP;
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} else if (str.compare(".ark_funcentry") == 0) {
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value_ = ElfSecName::ARK_FUNCENTRY;
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} else if (str.compare(".ark_asmstub") == 0) {
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value_ = ElfSecName::ARK_ASMSTUB;
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} else if (str.compare(".ark_moduleinfo") == 0) {
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value_ = ElfSecName::ARK_MODULEINFO;
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}
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InitShTypeAndFlag();
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}
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bool ShouldDumpToAOTFile() const
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{
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bool saveForAot = false;
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switch (value_) {
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case ElfSecName::TEXT:
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case ElfSecName::STRTAB:
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case ElfSecName::SYMTAB:
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case ElfSecName::SHSTRTAB:
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case ElfSecName::ARK_FUNCENTRY:
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case ElfSecName::ARK_ASMSTUB:
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case ElfSecName::ARK_STACKMAP:
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case ElfSecName::ARK_MODULEINFO: {
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saveForAot = true;
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break;
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}
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default: {
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break;
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}
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}
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return saveForAot;
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}
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ElfSecName Value() const
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{
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return value_;
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}
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int Entsize() const
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{
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if (value_ == ElfSecName::RELATEXT || value_ == ElfSecName::SYMTAB) {
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return FIX_SIZE;
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}
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return 0;
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}
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int Link() const
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{
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// The strtab index is 2 inside An file.
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return value_ == ElfSecName::SYMTAB ? 2 : 0;
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}
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void InitShTypeAndFlag()
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{
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std::map<ElfSecName, std::pair<unsigned, unsigned>> nameToTypeAndFlag = {
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{ElfSecName::RODATA, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_MERGE}},
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{ElfSecName::RODATA_CST4, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_MERGE}},
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{ElfSecName::RODATA_CST8, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_MERGE}},
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{ElfSecName::RODATA_CST16, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_MERGE}},
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{ElfSecName::RODATA_CST32, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_MERGE}},
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{ElfSecName::TEXT, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_EXECINSTR}},
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{ElfSecName::ARK_ASMSTUB, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_EXECINSTR}},
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{ElfSecName::DATA, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_WRITE}},
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{ElfSecName::GOT, {llvm::ELF::SHT_PROGBITS, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_WRITE}},
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{ElfSecName::RELATEXT, {llvm::ELF::SHT_RELA, llvm::ELF::SHF_ALLOC | llvm::ELF::SHF_WRITE}},
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{ElfSecName::STRTAB, {llvm::ELF::SHT_STRTAB, llvm::ELF::SHF_ALLOC}},
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{ElfSecName::SYMTAB, {llvm::ELF::SHT_SYMTAB, llvm::ELF::SHF_ALLOC}},
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{ElfSecName::SHSTRTAB, {llvm::ELF::SHT_STRTAB, llvm::ELF::SHF_ALLOC}},
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{ElfSecName::LLVM_STACKMAP, {llvm::ELF::SHT_RELA, llvm::ELF::SHF_ALLOC}},
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{ElfSecName::ARK_FUNCENTRY, {llvm::ELF::SHF_WRITE, llvm::ELF::SHF_ALLOC}},
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{ElfSecName::ARK_STACKMAP, {llvm::ELF::SHF_WRITE, llvm::ELF::SHF_ALLOC}},
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{ElfSecName::ARK_MODULEINFO, {llvm::ELF::SHF_WRITE, llvm::ELF::SHF_ALLOC}},
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};
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auto it = nameToTypeAndFlag.find(value_);
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if (it == nameToTypeAndFlag.end()) {
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return;
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}
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ASSERT(it != nameToTypeAndFlag.end());
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type_ = it->second.first;
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flag_ = it->second.second;
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}
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unsigned Type() const
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{
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return type_;
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}
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unsigned Flag() const
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{
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return flag_;
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}
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bool isValidAOTSec() const
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{
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auto idx = static_cast<size_t>(value_);
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return static_cast<uint8_t>(AOTSecFeatureTable_[idx]) & ElfSecFeature::VALID_MASK;
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}
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bool isSequentialAOTSec() const
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{
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auto idx = static_cast<size_t>(value_);
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return static_cast<uint8_t>(AOTSecFeatureTable_[idx]) & ElfSecFeature::SEQUENTIAL_MASK;
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}
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ElfSecName GetElfEnumValue() const
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{
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return value_;
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}
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int GetIntIndex() const
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{
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return static_cast<int>(value_);
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}
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// RO data section needs 16 bytes alignment
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bool InRodataSection() const
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{
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return ElfSecName::RODATA <= value_ && value_ <= ElfSecName::RODATA_CST32;
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}
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private:
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static int const FIX_SIZE = 24; // 24:Elf_Rel
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ElfSecName value_ {ElfSecName::NONE};
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unsigned type_ {0};
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unsigned flag_ {0};
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static constexpr size_t AOTSecFeatureTable_[static_cast<size_t>(ElfSecName::SIZE)] = {
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ElfSecFeature::NOT_VALID,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_AND_SEQUENTIAL,
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ElfSecFeature::VALID_NOT_SEQUENTIAL,
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ElfSecFeature::VALID_NOT_SEQUENTIAL,
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};
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};
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}
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#endif |