Subversion Repositories fwrisc

/*

 * ElfSymtabReader.h

 *

 * Copyright 2018 Matthew Ballance

 *

 * Licensed under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in

 * compliance with the License.  You may obtain a copy of

 * the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in

 * writing, software distributed under the License is

 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR

 * CONDITIONS OF ANY KIND, either express or implied.  See

 * the License for the specific language governing

 * permissions and limitations under the License.

 *

 *  Created on: Nov 17, 2018

 *      Author: ballance

 */

#ifndef INCLUDED_ELF_SYMTAB_READER_H

#define INCLUDED_ELF_SYMTAB_READER_H

#include "ElfFileReader.h"

#include <stdint.h>

#include <string>

#include <map>

#include <vector>

class ElfSymtabReader : public ElfFileReader {

public:

        ElfSymtabReader();

        virtual ~ElfSymtabReader();

        Elf32_Sym find_sym(const std::string &name);

        bool find_sym(Elf32_Addr addr, std::string &name);

        int32_t find_sym(Elf32_Addr addr);

        const Elf32_Sym &get_sym(int32_t idx);

        const std::string &get_sym_name(int32_t idx);

        uint32_t n_syms() const { return m_symlist.size(); }

protected:

        virtual void visit_shdr(const Elf32_Shdr &shdr);

private:

        std::map<std::string, Elf32_Sym>                                        m_symtab;

        std::map<Elf32_Addr, uint32_t>                                          m_addrtab;

        std::vector<std::pair<Elf32_Sym, std::string>>          m_symlist;

};

#endif /* INCLUDED_ELF_SYMTAB_READER_H */