sysdeps/x86_64/machine-gmon.h

   1 /* x86-64-specific implementation of profiling support.
   2    Copyright (C) 2002 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Andreas Jaeger <aj@suse.de>, 2002.
   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 <sysdep.h>
  22
  23 /* We need a special version of the `mcount' function since for x86-64
  24    so that we do not use __builtin_return_address (N) and avoid
  25    clobbering of register.  */
  26
  27
  28 /* We must not pollute the global namespace.  */
  29 #define mcount_internal __mcount_internal
  30
  31 void mcount_internal (u_long frompc, u_long selfpc);
  32
  33 #define _MCOUNT_DECL(frompc, selfpc) \
  34 void mcount_internal (u_long frompc, u_long selfpc)
  35
  36
  37 /* Define MCOUNT as empty since we have the implementation in another
  38    file.  */
  39 #define MCOUNT