glibc/sysdeps/alpha/machine-gmon.h

/* Machine-specific calling sequence for `mcount' profiling function.  alpha
Copyright (C) 1995, 1996 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#define _MCOUNT_DECL(from, self) \
 void __mcount (u_long from, u_long self)

/* Call __mcount with our the return PC for our caller, and the return
   PC our caller will return to.  Empty since we use an assembly stub
   instead. */
#define MCOUNT