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

   This file is part of elfutils.

   Written by Ulrich Drepper <drepper@redhat.com>, 2002.

   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/>.  */

#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <fcntl.h>

#include <libelf.h>

#include ELFUTILS_HEADER(dw)

#include <stdio.h>

#include <unistd.h>

static int globcnt;

static int

callback (Dwarf *dbg, Dwarf_Global *gl, void *arg __attribute__ ((unused)))

{

  int result = DWARF_CB_OK;

  printf (" [%2d] \"%s\", die: %llu, cu: %llu\n",

	  globcnt++, gl->name, (unsigned long long int) gl->die_offset,

	  (unsigned long long int) gl->cu_offset);

  Dwarf_Die cu_die;

  const char *cuname;

  if (dwarf_offdie (dbg, gl->cu_offset, &cu_die) == NULL

      || (cuname = dwarf_diename (&cu_die)) == NULL)

    {

      puts ("failed to get CU die");

      result = DWARF_CB_ABORT;

    }

  else

    printf ("CU name: \"%s\"\n", cuname);

  const char *diename;

  Dwarf_Die die;

  if (dwarf_offdie (dbg, gl->die_offset, &die) == NULL

      || (diename = dwarf_diename (&die)) == NULL)

    {

      puts ("failed to get object die");

      result = DWARF_CB_ABORT;

    }

  else

    printf ("object name: \"%s\"\n", diename);

  return result;

}

int

main (int argc, char *argv[])

{

  int result = 0;

  int cnt;

  for (cnt = 1; cnt < argc; ++cnt)

    {

      int fd = open (argv[cnt], O_RDONLY);

      Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);

      if (dbg == NULL)

	{

	  printf ("%s not usable: %s\n", argv[cnt], dwarf_errmsg (-1));

	  result = 1;

	  close (fd);

	  continue;

	}

      globcnt = 0;

      if (dwarf_getpubnames (dbg, callback, NULL, 0) != 0)

	{

	  printf ("dwarf_get_pubnames didn't return zero: %s\n",

		  dwarf_errmsg (-1));

	  result = 1;

	}

      dwarf_end (dbg);

      close (fd);

    }

  return result;

}