/* Support to debug branch prediction.

   Copyright (C) 2007 Red Hat, Inc.

   This file is part of elfutils.

   Written by Ulrich Drepper <drepper@redhat.com>, 2007.

   This file is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   elfutils 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <stdio.h>

#if DEBUGPRED

extern const unsigned long int __start_predict_data;

extern const unsigned long int __stop_predict_data;

extern const unsigned long int __start_predict_line;

extern const char *const __start_predict_file;

static void

__attribute__ ((destructor))

predprint (void)

{

  const unsigned long int *s = &__start_predict_data;

  const unsigned long int *e = &__stop_predict_data;

  const unsigned long int *sl = &__start_predict_line;

  const char *const *sf = &__start_predict_file;

  while (s < e)

    {

      if (s[0] != 0 || s[1] != 0)

	printf ("%s:%lu: wrong=%lu, correct=%lu%s\n", *sf, *sl, s[0], s[1],

		s[0] > s[1] ? "   <==== WARNING" : "");

      ++sl;

      ++sf;

      s += 2;

    }

}

#endif