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 56