C++ (Cpp) __sanitizer_get_number_of_counters 예제들

예제 #1

파일: FuzzerLoop.cpp 프로젝트: afesteves/llvm

 static void Prepare(const Fuzzer::FuzzingOptions &Options,
                     Fuzzer::Coverage *C) {
   if (Options.UseCounters) {
     size_t NumCounters = __sanitizer_get_number_of_counters();
     C->CounterBitmap.resize(NumCounters);
   }
 }

예제 #2

파일: FuzzerLoop.cpp 프로젝트: byronwwang/llvm

void Fuzzer::PrepareCoverageBeforeRun() {
  if (Options.UseCounters) {
    size_t NumCounters = __sanitizer_get_number_of_counters();
    CounterBitmap.resize(NumCounters);
    __sanitizer_update_counter_bitset_and_clear_counters(0);
  }
  RecordBlockCoverage();
  RecordCallerCalleeCoverage();
}

예제 #3

파일: FuzzerLoop.cpp 프로젝트: stevedrake/llvm

size_t Fuzzer::RunOneMaximizeTotalCoverage(const Unit &U) {
  size_t NumCounters = __sanitizer_get_number_of_counters();
  if (Options.UseCounters) {
    CounterBitmap.resize(NumCounters);
    __sanitizer_update_counter_bitset_and_clear_counters(0);
  }
  size_t OldCoverage = __sanitizer_get_total_unique_coverage();
  ExecuteCallback(U);
  size_t NewCoverage = __sanitizer_get_total_unique_coverage();
  size_t NumNewBits = 0;
  if (Options.UseCounters)
    NumNewBits = __sanitizer_update_counter_bitset_and_clear_counters(
        CounterBitmap.data());

  if (!(TotalNumberOfRuns & (TotalNumberOfRuns - 1)) && Options.Verbosity)
    PrintStats("pulse ", NewCoverage);

  if (NewCoverage > OldCoverage || NumNewBits)
    return NewCoverage;
  return 0;
}