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.
    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, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <dlfcn.h>
   22: #include <elf.h>
   23: #include <ldsodefs.h>
   24: 
   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.  */
   27: 
   28: 
   29: void
   30: _dl_mcount_wrapper (void *selfpc)
   31: {
   32:   GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
   33: }
   34: 
   35: 
   36: void
   37: _dl_mcount_wrapper_check (void *selfpc)
   38: {
   39:   if (GL(dl_profile_map) != NULL)
   40:     GLRO(dl_mcount) ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
   41: }
   42: libc_hidden_def (_dl_mcount_wrapper_check)