1*7304104dSAndroid Build Coastguard Worker /* Support to debug branch prediction.
2*7304104dSAndroid Build Coastguard Worker Copyright (C) 2007 Red Hat, Inc.
3*7304104dSAndroid Build Coastguard Worker This file is part of elfutils.
4*7304104dSAndroid Build Coastguard Worker Written by Ulrich Drepper <[email protected]>, 2007.
5*7304104dSAndroid Build Coastguard Worker
6*7304104dSAndroid Build Coastguard Worker This file is free software; you can redistribute it and/or modify
7*7304104dSAndroid Build Coastguard Worker it under the terms of the GNU General Public License as published by
8*7304104dSAndroid Build Coastguard Worker the Free Software Foundation; either version 3 of the License, or
9*7304104dSAndroid Build Coastguard Worker (at your option) any later version.
10*7304104dSAndroid Build Coastguard Worker
11*7304104dSAndroid Build Coastguard Worker elfutils is distributed in the hope that it will be useful, but
12*7304104dSAndroid Build Coastguard Worker WITHOUT ANY WARRANTY; without even the implied warranty of
13*7304104dSAndroid Build Coastguard Worker MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14*7304104dSAndroid Build Coastguard Worker GNU General Public License for more details.
15*7304104dSAndroid Build Coastguard Worker
16*7304104dSAndroid Build Coastguard Worker You should have received a copy of the GNU General Public License
17*7304104dSAndroid Build Coastguard Worker along with this program. If not, see <http://www.gnu.org/licenses/>. */
18*7304104dSAndroid Build Coastguard Worker
19*7304104dSAndroid Build Coastguard Worker #include <stdio.h>
20*7304104dSAndroid Build Coastguard Worker
21*7304104dSAndroid Build Coastguard Worker #if DEBUGPRED
22*7304104dSAndroid Build Coastguard Worker extern const unsigned long int __start_predict_data;
23*7304104dSAndroid Build Coastguard Worker extern const unsigned long int __stop_predict_data;
24*7304104dSAndroid Build Coastguard Worker extern const unsigned long int __start_predict_line;
25*7304104dSAndroid Build Coastguard Worker extern const char *const __start_predict_file;
26*7304104dSAndroid Build Coastguard Worker
27*7304104dSAndroid Build Coastguard Worker static void
28*7304104dSAndroid Build Coastguard Worker __attribute__ ((destructor))
predprint(void)29*7304104dSAndroid Build Coastguard Worker predprint (void)
30*7304104dSAndroid Build Coastguard Worker {
31*7304104dSAndroid Build Coastguard Worker const unsigned long int *s = &__start_predict_data;
32*7304104dSAndroid Build Coastguard Worker const unsigned long int *e = &__stop_predict_data;
33*7304104dSAndroid Build Coastguard Worker const unsigned long int *sl = &__start_predict_line;
34*7304104dSAndroid Build Coastguard Worker const char *const *sf = &__start_predict_file;
35*7304104dSAndroid Build Coastguard Worker while (s < e)
36*7304104dSAndroid Build Coastguard Worker {
37*7304104dSAndroid Build Coastguard Worker if (s[0] != 0 || s[1] != 0)
38*7304104dSAndroid Build Coastguard Worker printf ("%s:%lu: wrong=%lu, correct=%lu%s\n", *sf, *sl, s[0], s[1],
39*7304104dSAndroid Build Coastguard Worker s[0] > s[1] ? " <==== WARNING" : "");
40*7304104dSAndroid Build Coastguard Worker ++sl;
41*7304104dSAndroid Build Coastguard Worker ++sf;
42*7304104dSAndroid Build Coastguard Worker s += 2;
43*7304104dSAndroid Build Coastguard Worker }
44*7304104dSAndroid Build Coastguard Worker }
45*7304104dSAndroid Build Coastguard Worker #endif
46