mirror of
https://github.com/serge1/ELFIO.git
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105 lines
3.8 KiB
C++
105 lines
3.8 KiB
C++
/*
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Copyright (C) 2001-2020 by Serge Lamikhov-Center
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <iostream>
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#include <elfio/elfio.hpp>
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using namespace ELFIO;
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int main( int argc, char** argv )
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{
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if ( argc != 2 ) {
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std::cout << "Usage: tutorial <elf_file>" << std::endl;
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return 1;
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}
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// Create an elfio reader
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elfio reader;
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// Load ELF data
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if ( !reader.load( argv[1] ) ) {
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std::cout << "Can't find or process ELF file " << argv[1] << std::endl;
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return 2;
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}
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// Print ELF file properties
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std::cout << "ELF file class : ";
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if ( reader.get_class() == ELFCLASS32 )
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std::cout << "ELF32" << std::endl;
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else
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std::cout << "ELF64" << std::endl;
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std::cout << "ELF file encoding : ";
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if ( reader.get_encoding() == ELFDATA2LSB )
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std::cout << "Little endian" << std::endl;
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else
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std::cout << "Big endian" << std::endl;
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// Print ELF file sections info
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Elf_Half sec_num = reader.sections.size();
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std::cout << "Number of sections: " << sec_num << std::endl;
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for ( int i = 0; i < sec_num; ++i ) {
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section* psec = reader.sections[i];
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std::cout << " [" << i << "] " << psec->get_name() << "\t"
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<< psec->get_size() << std::endl;
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// Access to section's data
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// const char* p = reader.sections[i]->get_data()
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}
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// Print ELF file segments info
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Elf_Half seg_num = reader.segments.size();
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std::cout << "Number of segments: " << seg_num << std::endl;
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for ( int i = 0; i < seg_num; ++i ) {
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const segment* pseg = reader.segments[i];
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std::cout << " [" << i << "] 0x" << std::hex << pseg->get_flags()
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<< "\t0x" << pseg->get_virtual_address() << "\t0x"
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<< pseg->get_file_size() << "\t0x" << pseg->get_memory_size()
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<< std::endl;
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// Access to segments's data
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// const char* p = reader.segments[i]->get_data()
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}
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for ( int i = 0; i < sec_num; ++i ) {
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section* psec = reader.sections[i];
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// Check section type
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if ( psec->get_type() == SHT_SYMTAB ) {
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const symbol_section_accessor symbols( reader, psec );
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for ( unsigned int j = 0; j < symbols.get_symbols_num(); ++j ) {
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std::string name;
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Elf64_Addr value;
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Elf_Xword size;
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unsigned char bind;
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unsigned char type;
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Elf_Half section_index;
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unsigned char other;
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// Read symbol properties
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symbols.get_symbol( j, name, value, size, bind, type,
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section_index, other );
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std::cout << j << " " << name << " " << value << std::endl;
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}
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}
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}
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return 0;
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}
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