62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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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 SIMPLE_PERF_READ_ELF_H_
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#define SIMPLE_PERF_READ_ELF_H_
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#include <functional>
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#include <string>
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#include "build_id.h"
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bool GetBuildIdFromNoteFile(const std::string& filename, BuildId* build_id);
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bool GetBuildIdFromElfFile(const std::string& filename, BuildId* build_id);
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bool GetBuildIdFromEmbeddedElfFile(const std::string& filename, uint64_t file_offset,
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uint32_t file_size, BuildId* build_id);
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// The symbol prefix used to indicate that the symbol belongs to android linker.
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static const std::string linker_prefix = "__dl_";
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struct ElfFileSymbol {
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uint64_t vaddr;
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uint64_t len;
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bool is_func;
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bool is_label;
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bool is_in_text_section;
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std::string name;
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ElfFileSymbol() : vaddr(0), len(0), is_func(false), is_label(false), is_in_text_section(false) {
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}
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};
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bool ParseSymbolsFromElfFile(const std::string& filename, const BuildId& expected_build_id,
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std::function<void(const ElfFileSymbol&)> callback);
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bool ParseSymbolsFromEmbeddedElfFile(const std::string& filename, uint64_t file_offset,
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uint32_t file_size, const BuildId& expected_build_id,
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std::function<void(const ElfFileSymbol&)> callback);
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bool ReadMinExecutableVirtualAddressFromElfFile(const std::string& filename,
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const BuildId& expected_build_id,
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uint64_t* min_addr);
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bool ReadSectionFromElfFile(const std::string& filename, const std::string& section_name,
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std::string* content);
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// Expose the following functions for unit tests.
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bool IsArmMappingSymbol(const char* name);
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bool IsValidElfFile(int fd);
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bool IsValidElfPath(const std::string& filename);
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#endif // SIMPLE_PERF_READ_ELF_H_
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