Update.
[glibc.git] / dlfcn / dladdr1.c
blob51b53b5861b6467863ab020142edb2b06e118d40
1 /* Locate the shared object symbol nearest a given address.
2 Copyright (C) 2003 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <dlfcn.h>
22 int
23 dladdr1 (const void *address, Dl_info *info, void **extra, int flags)
25 switch (flags)
27 default: /* Make this an error? */
28 case 0:
29 return _dl_addr (address, info, NULL, NULL);
30 case RTLD_DL_SYMENT:
31 return _dl_addr (address, info, NULL, (const ElfW(Sym) **) extra);
32 case RTLD_DL_LINKMAP:
33 return _dl_addr (address, info, (struct link_map **) extra, NULL);