//===----------------------------------------------------------------------===//
// Define the main class fuzzer::Fuzzer and most functions.
//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_FUZZER_INTERNAL_H
+#define LLVM_FUZZER_INTERNAL_H
+
#include <cassert>
#include <climits>
#include <chrono>
std::string DirPlusFile(const std::string &DirPath,
const std::string &FileName);
-size_t Mutate(uint8_t *Data, size_t Size, size_t MaxSize,
- FuzzerRandomBase &Rand);
-
-size_t CrossOver(const uint8_t *Data1, size_t Size1, const uint8_t *Data2,
- size_t Size2, uint8_t *Out, size_t MaxOutSize,
- FuzzerRandomBase &Rand);
-
void Printf(const char *Fmt, ...);
void Print(const Unit &U, const char *PrintAfter = "");
void PrintASCII(const Unit &U, const char *PrintAfter = "");
// Computes SHA1 hash of 'Len' bytes in 'Data', writes kSHA1NumBytes to 'Out'.
void ComputeSHA1(const uint8_t *Data, size_t Len, uint8_t *Out);
+// Changes U to contain only ASCII (isprint+isspace) characters.
+// Returns true iff U has been changed.
+bool ToASCII(Unit &U);
+bool IsASCII(const Unit &U);
+
int NumberOfCpuCores();
class Fuzzer {
int PreferSmallDuringInitialShuffle = -1;
size_t MaxNumberOfRuns = ULONG_MAX;
int SyncTimeout = 600;
+ int ReportSlowUnits = 10;
+ bool OnlyASCII = false;
+ int TBMDepth = 10;
+ int TBMWidth = 10;
std::string OutputCorpus;
std::string SyncCommand;
std::vector<std::string> Tokens;
void MutateAndTestOne(Unit *U);
void ReportNewCoverage(size_t NewCoverage, const Unit &U);
size_t RunOne(const Unit &U);
- void RunOneAndUpdateCorpus(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);
Unit CurrentUnit;
size_t TotalNumberOfRuns = 0;
+ size_t TotalNumberOfExecutedTraceBasedMutations = 0;
std::vector<Unit> Corpus;
std::unordered_set<std::string> UnitHashesAddedToCorpus;
};
}; // namespace fuzzer
+
+#endif // LLVM_FUZZER_INTERNAL_H