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[glibc/history.git] / elf / dl-profstub.c
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1 /* Helper definitions for profiling of shared libraries.
2 Copyright (C) 1998, 2000, 2002, 2004 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, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 02111-1307 USA. */
21 #include <dlfcn.h>
22 #include <elf.h>
23 #include <ldsodefs.h>
25 /* This is the map for the shared object we profile. It is defined here
26 only because we test for this value being NULL or not. */
29 void
30 _dl_mcount_wrapper (void *selfpc)
32 GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
36 void
37 _dl_mcount_wrapper_check (void *selfpc)
39 if (GL(dl_profile_map) != NULL)
40 GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
42 libc_hidden_def (_dl_mcount_wrapper_check)