1/* Test program for dwfl_getmodules bug.
2   Copyright (C) 2008 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(dwfl)
20
21#include <error.h>
22
23static const Dwfl_Callbacks callbacks =
24  {
25    .find_elf = dwfl_linux_proc_find_elf,
26    .find_debuginfo = dwfl_standard_find_debuginfo,
27  };
28
29static int
30iterate (Dwfl_Module *mod __attribute__ ((unused)),
31	 void **userdata __attribute__ ((unused)),
32	 const char *name __attribute__ ((unused)),
33	 Dwarf_Addr base, void *arg)
34{
35  if (base != 0x2000)
36    return DWARF_CB_OK;
37
38  if (dwfl_addrmodule (arg, 0x2100) == NULL)
39    error (1, 0, "dwfl_addrmodule: %s", dwfl_errmsg (-1));
40
41  return DWARF_CB_ABORT;
42}
43
44int
45main (void)
46{
47  Dwfl *dwfl = dwfl_begin (&callbacks);
48
49  dwfl_report_module (dwfl, "m1", 0, 0x1000);
50  dwfl_report_module (dwfl, "m2", 0x2000, 0x3000);
51  dwfl_report_module (dwfl, "m3", 0x4000, 0x5000);
52
53  dwfl_report_end (dwfl, NULL, NULL);
54
55  ptrdiff_t offset = dwfl_getmodules (dwfl, &iterate, dwfl, 0);
56  if (offset <= 0)
57    error (1, 0, "dwfl_getmodules: %s", dwfl_errmsg (-1));
58
59  offset = dwfl_getmodules (dwfl, &iterate, NULL, offset);
60  if (offset != 0)
61    error (1, 0, "dwfl_getmodules (%d): %s", (int) offset, dwfl_errmsg (-1));
62
63  dwfl_end (dwfl);
64
65  return 0;
66}
67