compiler-rt/lib/fuzzer/FuzzerDefs.h

   1 //===- FuzzerDefs.h - Internal header for the Fuzzer ------------*- C++ -* ===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 // Basic definitions.
   9 //===----------------------------------------------------------------------===//
  10
  11 #ifndef LLVM_FUZZER_DEFS_H
  12 #define LLVM_FUZZER_DEFS_H
  13
  14 #include <cassert>
  15 #include <cstddef>
  16 #include <cstdint>
  17 #include <cstring>
  18 #include <memory>
  19 #include <set>
  20 #include <string>
  21 #include <vector>
  22
  23
  24 namespace fuzzer {
  25
  26 template <class T> T Min(T a, T b) { return a < b ? a : b; }
  27 template <class T> T Max(T a, T b) { return a > b ? a : b; }
  28
  29 class Random;
  30 class Dictionary;
  31 class DictionaryEntry;
  32 class MutationDispatcher;
  33 struct FuzzingOptions;
  34 class InputCorpus;
  35 struct InputInfo;
  36 struct ExternalFunctions;
  37
  38 // Global interface to functions that may or may not be available.
  39 extern ExternalFunctions *EF;
  40
  41 typedef std::vector<uint8_t> Unit;
  42 typedef std::vector<Unit> UnitVector;
  43 typedef int (*UserCallback)(const uint8_t *Data, size_t Size);
  44
  45 int FuzzerDriver(int *argc, char ***argv, UserCallback Callback);
  46
  47 uint8_t *ExtraCountersBegin();
  48 uint8_t *ExtraCountersEnd();
  49 void ClearExtraCounters();
  50
  51 extern bool RunningUserCallback;
  52
  53 }  // namespace fuzzer
  54
  55 #endif  // LLVM_FUZZER_DEFS_H