Line data Source code
1 : /* Compute frame state at PC.
2 : Copyright (C) 2009 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 : #ifdef HAVE_CONFIG_H
30 : # include <config.h>
31 : #endif
32 :
33 : #include "cfi.h"
34 :
35 : int
36 4903 : dwarf_cfi_addrframe (Dwarf_CFI *cache, Dwarf_Addr address, Dwarf_Frame **frame)
37 : {
38 : /* Maybe there was a previous error. */
39 4903 : if (cache == NULL)
40 : return -1;
41 :
42 4835 : struct dwarf_fde *fde = __libdw_find_fde (cache, address);
43 4835 : if (fde == NULL)
44 : return -1;
45 :
46 4711 : int error = __libdw_frame_at_address (cache, fde, address, frame);
47 4711 : if (error != DWARF_E_NOERROR)
48 : {
49 0 : __libdw_seterrno (error);
50 0 : return -1;
51 : }
52 : return 0;
53 : }
54 : INTDEF (dwarf_cfi_addrframe)
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