Line data Source code
1 : /* Set up a session using libdwfl.
2 : Copyright (C) 2005 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 either
7 :
8 : * the GNU Lesser General Public License as published by the Free
9 : Software Foundation; either version 3 of the License, or (at
10 : your option) any later version
11 :
12 : or
13 :
14 : * the GNU General Public License as published by the Free
15 : Software Foundation; either version 2 of the License, or (at
16 : your option) any later version
17 :
18 : or both in parallel, as here.
19 :
20 : elfutils is distributed in the hope that it will be useful, but
21 : WITHOUT ANY WARRANTY; without even the implied warranty of
22 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 : General Public License for more details.
24 :
25 : You should have received copies of the GNU General Public License and
26 : the GNU Lesser General Public License along with this program. If
27 : not, see <http://www.gnu.org/licenses/>. */
28 :
29 : #include "libdwflP.h"
30 :
31 : Dwfl *
32 5343 : dwfl_begin (const Dwfl_Callbacks *callbacks)
33 : {
34 5343 : if (elf_version (EV_CURRENT) == EV_NONE)
35 : {
36 0 : __libdwfl_seterrno (DWFL_E_LIBELF);
37 0 : return NULL;
38 : }
39 :
40 5343 : Dwfl *dwfl = calloc (1, sizeof *dwfl);
41 5343 : if (dwfl == NULL)
42 0 : __libdwfl_seterrno (DWFL_E_NOMEM);
43 : else
44 : {
45 5343 : dwfl->callbacks = callbacks;
46 5343 : dwfl->offline_next_address = OFFLINE_REDZONE;
47 : }
48 :
49 : return dwfl;
50 : }
51 : INTDEF (dwfl_begin)
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