File: dladdr1.c

package info (click to toggle)
glibc 2.19-18+deb8u4
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-backports
  • size: 204,416 kB
  • ctags: 144,800
  • sloc: ansic: 970,361; asm: 241,207; sh: 10,069; makefile: 8,475; cpp: 3,595; perl: 2,077; pascal: 1,839; awk: 1,704; yacc: 317; sed: 73
file content (53 lines) | stat: -rw-r--r-- 1,660 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
/* Locate the shared object symbol nearest a given address.
   Copyright (C) 2003-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <dlfcn.h>

#if !defined SHARED && defined IS_IN_libdl

int
dladdr1 (const void *address, Dl_info *info, void **extra, int flags)
{
  return __dladdr1 (address, info, extra, flags);
}

#else

int
__dladdr1 (const void *address, Dl_info *info, void **extra, int flags)
{
# ifdef SHARED
  if (__builtin_expect (_dlfcn_hook != NULL, 0))
    return _dlfcn_hook->dladdr1 (address, info, extra, flags);
# endif

  switch (flags)
    {
    default:			/* Make this an error?  */
    case 0:
      return _dl_addr (address, info, NULL, NULL);
    case RTLD_DL_SYMENT:
      return _dl_addr (address, info, NULL, (const ElfW(Sym) **) extra);
    case RTLD_DL_LINKMAP:
      return _dl_addr (address, info, (struct link_map **) extra, NULL);
    }
}
# ifdef SHARED
strong_alias (__dladdr1, dladdr1)
# endif
#endif