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 #include "system.h"
21
22
23 static const Dwfl_Callbacks callbacks =
24 {
25 .find_elf = dwfl_linux_proc_find_elf,
26 .find_debuginfo = dwfl_standard_find_debuginfo,
27 };
28
29 static int
iterate(Dwfl_Module * mod,void ** userdata,const char * name,Dwarf_Addr base,void * arg)30 iterate (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
44 int
main(void)45 main (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