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      1 /* Test program for dwarf_ranges
      2    Copyright (C) 2015 Red Hat, Inc.
      3    This file is part of elfutils.
      4 
      5    This file is free software; you can redistribute it and/or modify
      6    it under the terms of the GNU General Public License as published by
      7    the Free Software Foundation; either version 3 of the License, or
      8    (at your option) any later version.
      9 
     10    elfutils is distributed in the hope that it will be useful, but
     11    WITHOUT ANY WARRANTY; without even the implied warranty of
     12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13    GNU General Public License for more details.
     14 
     15    You should have received a copy of the GNU General Public License
     16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
     17 
     18 #include <config.h>
     19 #include ELFUTILS_HEADER(dw)
     20 #include <dwarf.h>
     21 #include <sys/types.h>
     22 #include <sys/stat.h>
     23 #include <fcntl.h>
     24 #include <stdio.h>
     25 #include <stdint.h>
     26 #include <stdlib.h>
     27 #include <assert.h>
     28 #include <inttypes.h>
     29 
     30 int
     31 main (int argc, char *argv[])
     32 {
     33   assert (argc >= 3);
     34   const char *name = argv[1];
     35   ptrdiff_t cuoff = strtol (argv[2], NULL, 0);
     36 
     37   int fd = open (name, O_RDONLY);
     38   Dwarf *dbg = dwarf_begin (fd, DWARF_C_READ);
     39 
     40   Dwarf_Die cudie_mem, *cudie = dwarf_offdie (dbg, cuoff, &cudie_mem);
     41 
     42   Dwarf_Addr base, start, end;
     43   for (ptrdiff_t off = 0;
     44        (off = dwarf_ranges (cudie, off, &base, &start, &end)); )
     45     if (off == -1)
     46       {
     47 	puts (dwarf_errmsg (dwarf_errno ()));
     48 	break;
     49       }
     50     else
     51       fprintf (stderr, "%"PRIx64"..%"PRIx64" (base %"PRIx64")\n",
     52 	       start, end, base);
     53 
     54   dwarf_end (dbg);
     55 
     56   return 0;
     57 }
     58