| 1 | // SPDX-FileCopyrightText: 2023 UnionTech Software Technology Co., Ltd. | 
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| 2 | // | 
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| 3 | // SPDX-License-Identifier: GPL-3.0-or-later | 
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| 4 |  | 
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| 5 | #ifndef _ELF_HELPER_H | 
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| 6 | #define _ELF_HELPER_H | 
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| 7 | #include <inttypes.h> | 
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| 8 | #include <libelf.h> | 
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| 9 | #include <gelf.h> | 
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| 10 | #include "dwarf/dwarf++.hh" | 
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| 11 | #include "elf/elf++.hh" | 
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| 12 |  | 
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| 13 | class SymbolFile { | 
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| 14 | public: | 
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| 15 | SymbolFile(uintptr_t base, const char* filename, bool use_dwarf = false); | 
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| 16 | ~SymbolFile(void); | 
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| 17 | bool get_sym_address(const char *symname, unsigned long *addr, elf::stt type); | 
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| 18 |  | 
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| 19 | bool            m_valid; | 
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| 20 | bool            m_searched; | 
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| 21 | private: | 
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| 22 | uintptr_t       m_base; | 
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| 23 |  | 
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| 24 | elf::elf        m_elf; | 
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| 25 | dwarf::dwarf    m_dwarf; | 
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| 26 | elf::elf        m_elf2; // debug file in /lib/.build-id/xx/xxxx.debug | 
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| 27 |  | 
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| 28 | // for .symtab + .dynsym | 
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| 29 | elf::symtab     m_dynsym; | 
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| 30 | elf::symtab     m_symtab; | 
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| 31 | }; | 
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| 32 |  | 
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| 33 | #endif /*#ifndef _ELF_HELPER_H*/ | 
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| 34 |  | 
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