1 | /* Locate the shared object symbol nearest a given address. |
2 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <dlfcn.h> |
20 | |
21 | #if !defined SHARED && IS_IN (libdl) |
22 | |
23 | int |
24 | dladdr (const void *address, Dl_info *info) |
25 | { |
26 | return __dladdr (address, info); |
27 | } |
28 | |
29 | #else |
30 | |
31 | int |
32 | __dladdr (const void *address, Dl_info *info) |
33 | { |
34 | # ifdef SHARED |
35 | if (__glibc_unlikely (_dlfcn_hook != NULL)) |
36 | return _dlfcn_hook->dladdr (address, info); |
37 | # endif |
38 | return _dl_addr (address, info, NULL, NULL); |
39 | } |
40 | # ifdef SHARED |
41 | strong_alias (__dladdr, dladdr) |
42 | # endif |
43 | #endif |
44 | |