glibc/sysdeps/arm/machine-gmon.h

/* Machine-dependent definitions for profiling support.  ARM EABI version.
   Copyright (C) 2008-2017 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, see
   <http://www.gnu.org/licenses/>.  */

#include <sysdep.h>

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

/* We must not pollute the global namespace.  */
#define mcount_internal __mcount_internal

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


/* Define MCOUNT as empty since we have the implementation in another file.  */
#define MCOUNT