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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
main(int argc,char * argv[])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