/* Test program for dwarf_ranges

   Copyright (C) 2015 Red Hat, Inc.

   This file is part of elfutils.

   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 ELFUTILS_HEADER(dw)

#include <dwarf.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <fcntl.h>

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <assert.h>

#include <inttypes.h>

int

main (int argc, char *argv[])

{

  assert (argc >= 3);

  const char *name = argv[1];

  ptrdiff_t cuoff = strtol (argv[2], NULL, 0);

  int fd = open (name, O_RDONLY);

  Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);

  Dwarf_Die cudie_mem, *cudie = dwarf_offdie (dbg, cuoff, &cudie_mem);

  Dwarf_Addr base, start, end;

  for (ptrdiff_t off = 0;

       (off = dwarf_ranges (cudie, off, &base, &start, &end)); )

    if (off == -1)

      {

	puts (dwarf_errmsg (dwarf_errno ()));

	break;

      }

    else

      fprintf (stderr, "%"PRIx64"..%"PRIx64" (base %"PRIx64")\n",

	       start, end, base);

  dwarf_end (dbg);

  return 0;

}