/* Support to debug branch prediction.
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Copyright (C) 2007 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2007.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#if DEBUGPRED
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extern const unsigned long int __start_predict_data;
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extern const unsigned long int __stop_predict_data;
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extern const unsigned long int __start_predict_line;
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extern const char *const __start_predict_file;
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static void
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__attribute__ ((destructor))
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predprint (void)
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{
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const unsigned long int *s = &__start_predict_data;
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const unsigned long int *e = &__stop_predict_data;
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const unsigned long int *sl = &__start_predict_line;
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const char *const *sf = &__start_predict_file;
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while (s < e)
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{
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if (s[0] != 0 || s[1] != 0)
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printf ("%s:%lu: wrong=%lu, correct=%lu%s\n", *sf, *sl, s[0], s[1],
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s[0] > s[1] ? " <==== WARNING" : "");
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++sl;
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++sf;
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s += 2;
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}
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}
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#endif
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