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elfutils
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src/debugpred.h
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Mark Wielaard
Update name, license and contributor policy.
06 июн 2012, 01:12
06 июн 2012, 01:12
de2ed97
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/* 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