elf_get_symbol.cpp

/* Search in terms of symbol name and section name */
bool Elf::get_symbol(const std::string& name, const std::string& section_name,
                     Elf64_Addr& value, Elf_Xword& size, unsigned char& bind,
                     unsigned char& type, Elf_Half& section_index,
                     unsigned char& other) const {
  bool ret = false;
  symbol_section_accessor symbol_reader(_elfio, _elfio.sections[_symtab_ndx]);
  // Opportunistic lookup, in case the name is unique.
  if (symbol_reader.get_symbol(name, value, size, bind, type, section_index,
                               other)) {
    if (section_name == _elfio.sections[section_index]->get_name())
      return true;
  }

  for (Elf_Xword i = 0; i < symbol_reader.get_symbols_num() && !ret; i++) {
    std::string symbol_name;
    if (symbol_reader.get_symbol(i, symbol_name, value, size, bind, type,
                                 section_index, other)) {
      if (symbol_name == name &&
          section_name == _elfio.sections[section_index]->get_name()) {
        return true;
      }
    }
  }

  return ret;
}