[libFuzzer] make LLVMFuzzerTestOneInput (the fuzzer target function) return int inste...

[oota-llvm.git] / lib / Fuzzer / FuzzerInternal.h

diff --git a/lib/Fuzzer/FuzzerInternal.h b/lib/Fuzzer/FuzzerInternal.h
index 334800e8275fcddfe08ed6ef0d5c67b31fc267bf..3049167c62bc59b579f29ce3b6951b6b7c5fecad 100644 (file)
--- a/lib/Fuzzer/FuzzerInternal.h
+++ b/lib/Fuzzer/FuzzerInternal.h
@@ -73,6 +73,7 @@ class Fuzzer {
     int Verbosity = 1;
     int MaxLen = 0;
     int UnitTimeoutSec = 300;
+    int MaxTotalTimeSec = 0;
     bool DoCrossOver = true;
     int  MutateDepth = 5;
     bool ExitOnFirst = false;
@@ -115,16 +116,15 @@ class Fuzzer {
   static void StaticAlarmCallback();
 
   Unit SubstituteTokens(const Unit &U) const;
+  void ExecuteCallback(const Unit &U);
 
  private:
   void AlarmCallback();
-  void ExecuteCallback(const Unit &U);
   void MutateAndTestOne(Unit *U);
   void ReportNewCoverage(size_t NewCoverage, const Unit &U);
   size_t RunOne(const Unit &U);
   void RunOneAndUpdateCorpus(Unit &U);
   size_t RunOneMaximizeTotalCoverage(const Unit &U);
-  size_t RunOneMaximizeFullCoverageSet(const Unit &U);
   size_t RunOneMaximizeCoveragePairs(const Unit &U);
   void WriteToOutputCorpus(const Unit &U);
   void WriteUnitToFileWithPrefix(const Unit &U, const char *Prefix);
@@ -154,7 +154,6 @@ class Fuzzer {
 
   std::vector<Unit> Corpus;
   std::unordered_set<std::string> UnitHashesAddedToCorpus;
-  std::unordered_set<uintptr_t> FullCoverageSets;
 
   // For UseCounters
   std::vector<uint8_t> CounterBitmap;
@@ -177,12 +176,19 @@ class SimpleUserSuppliedFuzzer: public UserSuppliedFuzzer {
  public:
   SimpleUserSuppliedFuzzer(FuzzerRandomBase *Rand, UserCallback Callback)
       : UserSuppliedFuzzer(Rand), Callback(Callback) {}
-  virtual void TargetFunction(const uint8_t *Data, size_t Size) {
-    return Callback(Data, Size);
+
+  SimpleUserSuppliedFuzzer(FuzzerRandomBase *Rand, DeprecatedUserCallback Callback)
+      : UserSuppliedFuzzer(Rand), DeprecatedCallback(Callback) {}
+
+  virtual int TargetFunction(const uint8_t *Data, size_t Size) override {
+    if (Callback) return Callback(Data, Size);
+    DeprecatedCallback(Data, Size);
+    return 0;
   }
 
  private:
-  UserCallback Callback;
+  DeprecatedUserCallback DeprecatedCallback = nullptr;
+  UserCallback Callback = nullptr;
 };
 
 };  // namespace fuzzer