C++ (Cpp) __sanitizer_get_total_unique_caller_callee_pairs Beispiele

Beispiel #1

Datei: FuzzerLoop.cpp Projekt: byronwwang/llvm

size_t Fuzzer::RecordCallerCalleeCoverage() {
  if (!Options.UseIndirCalls)
    return 0;
  if (!__sanitizer_get_total_unique_caller_callee_pairs)
    return 0;
  return LastRecordedCallerCalleeCoverage =
             __sanitizer_get_total_unique_caller_callee_pairs();
}

Beispiel #2

Datei: FuzzerLoop.cpp Projekt: afesteves/llvm

  // Records data to a maximum coverage tracker. Returns true if additional
  // coverage was discovered.
  static bool RecordMax(const Fuzzer::FuzzingOptions &Options,
                        Fuzzer::Coverage *C) {
    bool Res = false;

    uint64_t NewBlockCoverage = __sanitizer_get_total_unique_coverage();
    if (NewBlockCoverage > C->BlockCoverage) {
      Res = true;
      C->BlockCoverage = NewBlockCoverage;
    }

    if (Options.UseIndirCalls &&
        __sanitizer_get_total_unique_caller_callee_pairs) {
      uint64_t NewCallerCalleeCoverage =
          __sanitizer_get_total_unique_caller_callee_pairs();
      if (NewCallerCalleeCoverage > C->CallerCalleeCoverage) {
        Res = true;
        C->CallerCalleeCoverage = NewCallerCalleeCoverage;
      }
    }

    if (Options.UseCounters) {
      uint64_t CounterDelta =
          __sanitizer_update_counter_bitset_and_clear_counters(
              C->CounterBitmap.data());
      if (CounterDelta > 0) {
        Res = true;
        C->CounterBitmapBits += CounterDelta;
      }
    }

    uint64_t NewPcMapBits = PcMapMergeInto(&C->PCMap);
    if (NewPcMapBits > C->PcMapBits) {
      Res = true;
      C->PcMapBits = NewPcMapBits;
    }

    uintptr_t *CoverageBuf;
    uint64_t NewPcBufferLen = __sanitizer_get_coverage_pc_buffer(&CoverageBuf);
    if (NewPcBufferLen > C->PcBufferLen) {
      Res = true;
      C->PcBufferLen = NewPcBufferLen;
    }

    return Res;
  }