/* Copyright (C) 1998, 1999, 2000, 2002, 2005 Red Hat, Inc.

   This file is part of elfutils.

   Written by Ulrich Drepper <drepper@redhat.com>, 1998.

   This file is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   elfutils is distributed in the hope that it will be useful, but

   WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

#include <errno.h>

#include <fcntl.h>

#include <gelf.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

int

main (int argc, char *argv[])

{

  Elf *elf;

  int fd;

  GElf_Ehdr ehdr;

  size_t strndx;

  Elf_Scn *scn;

  if (argc < 2)

    {

      puts ("missing parameter");

      exit (1);

    }

  fd = open (argv[1], O_RDONLY);

  if (fd == -1)

    {

      printf ("cannot open \"%s\": %s\n", argv[1], strerror (errno));

      exit (1);

    }

  elf_version (EV_CURRENT);

  elf = elf_begin (fd, ELF_C_READ, NULL);

  if (elf == NULL)

    {

      printf ("cannot open ELF file: %s\n", elf_errmsg (-1));

      exit (1);

    }

  if (elf_kind (elf) != ELF_K_ELF)

    {

      printf ("\"%s\" is not an ELF file\n", argv[1]);

      exit (1);

    }

  if (gelf_getehdr (elf, &ehdr) == NULL)

    {

      printf ("cannot get the ELF header: %s\n", elf_errmsg (-1));

      exit (1);

    }

  strndx = ehdr.e_shstrndx;

  scn = NULL;

  while ((scn = elf_nextscn (elf, scn)) != NULL)

    {

      char *name = NULL;

      GElf_Shdr shdr;

      if (gelf_getshdr (scn, &shdr) != NULL)

	name = elf_strptr (elf, strndx, (size_t) shdr.sh_name);

      printf ("section: `%s'\n", name);

    }

  if (elf_end (elf) != 0)

    {

      printf ("error while freeing ELF descriptor: %s\n", elf_errmsg (-1));

      exit (1);

    }

  return 0;

}