/* 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