sysdeps/x86_64/machine-gmon.h

   1 /* x86-64-specific implementation of profiling support.
   2    Copyright (C) 2002-2015 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, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <sysdep.h>
  21
  22 /* We need a special version of the `mcount' function since for x86-64
  23    so that we do not use __builtin_return_address (N) and avoid
  24    clobbering of register.  */
  25
  26
  27 /* We must not pollute the global namespace.  */
  28 #define mcount_internal __mcount_internal
  29
  30 void mcount_internal (u_long frompc, u_long selfpc);
  31
  32 #define _MCOUNT_DECL(frompc, selfpc) \
  33 void mcount_internal (u_long frompc, u_long selfpc)
  34
  35
  36 /* Define MCOUNT as empty since we have the implementation in another
  37    file.  */
  38 #define MCOUNT