glibc/sysdeps/arm/machine-gmon.h

/* Machine-dependent definitions for profiling support.  ARM version.
   Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

/* GCC for the ARM cannot compile __builtin_return_address(N) for N != 0, 
   so we must use an assembly stub.  */

#define _MCOUNT_DECL(frompc, selfpc) \
 void mcount_internal (u_long frompc, u_long selfpc)

#define MCOUNT		/* Nothing herel code in _mcount.S is used. */