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
23int
24dladdr (const void *address, Dl_info *info)
25{
26 return __dladdr (address, info);
27}
28
29#else
30
31int
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
41strong_alias (__dladdr, dladdr)
42# endif
43#endif
44