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/* Low-level statistical profiling support function.  Linux/ARM version.

   Copyright (C) 1996, 1997, 1998, 2002 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.  */

#include <signal.h>

#include <bits/armsigctx.h>

void

profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc)

{

  void *pc;

  if (sc.v20.magic == SIGCONTEXT_2_0_MAGIC)

    pc = (void *) sc.v20.reg.ARM_pc;

  else

    pc = (void *) sc.v21.arm_pc;

  profil_count (pc);

  /* This is a hack to prevent the compiler from implementing the

     above function call as a sibcall.  The sibcall would overwrite

     the signal context.  */

  asm volatile ("");

}