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author | Chih-hung Hsieh <chh@google.com> | 2015-09-25 14:51:48 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2015-09-25 14:51:48 +0000 |
commit | b0121c5547604527aaeea297b54047cd14b234df (patch) | |
tree | 7d9031ee3d5796de4a1825892fc6e04ba6e36ae2 /src/debugpred.h | |
parent | d03895cf5f8b77c6a85abcd84ea0d80ff56be846 (diff) | |
parent | 5eafdf0f9bfd9a3c5f93414ac16bb399b6da0b7f (diff) | |
download | android_external_elfutils-b0121c5547604527aaeea297b54047cd14b234df.tar.gz android_external_elfutils-b0121c5547604527aaeea297b54047cd14b234df.tar.bz2 android_external_elfutils-b0121c5547604527aaeea297b54047cd14b234df.zip |
Merge "Move files up to match upstream source structure."
Diffstat (limited to 'src/debugpred.h')
-rw-r--r-- | src/debugpred.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/debugpred.h b/src/debugpred.h new file mode 100644 index 00000000..4845a6e2 --- /dev/null +++ b/src/debugpred.h @@ -0,0 +1,45 @@ +/* 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 |