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.
5
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.
10
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.
15
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/>. */
19
20#include <dlfcn.h>
21#include <elf.h>
22#include <ldsodefs.h>
23
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. */
26
27
28void
29_dl_mcount_wrapper (void *selfpc)
30{
31 GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
32}
33
34
35void
36_dl_mcount_wrapper_check (void *selfpc)
37{
38 if (GL(dl_profile_map) != NULL)
39 GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
40}
41libc_hidden_def (_dl_mcount_wrapper_check)
42