manual: Correct argument order in mount examples [BZ #27207]
[glibc.git] / elf / dl-profstub.c
blob08d9f3cae2e01a6f0ee702c165f8590a2d84b9a1
1 /* Helper definitions for profiling of shared libraries.
2 Copyright (C) 1998-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
20 #include <dlfcn.h>
21 #include <elf.h>
22 #include <ldsodefs.h>
24 /* This is the map for the shared object we profile. It is defined here
25 only because we test for this value being NULL or not. */
28 void
29 _dl_mcount_wrapper (void *selfpc)
31 GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
35 void
36 _dl_mcount_wrapper_check (void *selfpc)
38 if (GL(dl_profile_map) != NULL)
39 GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
41 libc_hidden_def (_dl_mcount_wrapper_check)