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author | Pirama Arumuga Nainar <pirama@google.com> | 2015-04-08 08:58:29 -0700 |
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committer | Pirama Arumuga Nainar <pirama@google.com> | 2015-04-08 08:58:29 -0700 |
commit | 7c9150579ed0278492f51cc8434b1d63a44b9bd1 (patch) | |
tree | ffba1da06cea1fd707cfad245b93280a7df99700 /include | |
parent | 82f9cb33b564a9d72f09b478aabb44c4a83344c8 (diff) | |
download | compiler-rt-7c9150579ed0278492f51cc8434b1d63a44b9bd1.tar.gz |
Update aosp/master compiler-rt for rebase to r233350
Change-Id: I5f20256ce73ec7b5956f742b4062f850bf11b667
Diffstat (limited to 'include')
-rw-r--r-- | include/sanitizer/coverage_interface.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/sanitizer/coverage_interface.h b/include/sanitizer/coverage_interface.h index 88a7e4800..404b71e30 100644 --- a/include/sanitizer/coverage_interface.h +++ b/include/sanitizer/coverage_interface.h @@ -39,6 +39,23 @@ extern "C" { // Some of the entries in *data will be zero. uintptr_t __sanitizer_get_coverage_guards(uintptr_t **data); + // The coverage instrumentation may optionally provide imprecise counters. + // Rather than exposing the counter values to the user we instead map + // the counters to a bitset. + // Every counter is associated with 8 bits in the bitset. + // We define 8 value ranges: 1, 2, 3, 4-7, 8-15, 16-31, 32-127, 128+ + // The i-th bit is set to 1 if the counter value is in the i-th range. + // This counter-based coverage implementation is *not* thread-safe. + + // Returns the number of registered coverage counters. + uintptr_t __sanitizer_get_number_of_counters(); + // Updates the counter 'bitset', clears the counters and returns the number of + // new bits in 'bitset'. + // If 'bitset' is nullptr, only clears the counters. + // Otherwise 'bitset' should be at least + // __sanitizer_get_number_of_counters bytes long and 8-aligned. + uintptr_t + __sanitizer_update_counter_bitset_and_clear_counters(uint8_t *bitset); #ifdef __cplusplus } // extern "C" #endif |