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
24namespace fuzzer {
25
26template <class T> T Min(T a, T b) { return a < b ? a : b; }
27template <class T> T Max(T a, T b) { return a > b ? a : b; }
28
29class Random;
30class Dictionary;
31class DictionaryEntry;
32class MutationDispatcher;
33struct FuzzingOptions;
34class InputCorpus;
35struct InputInfo;
36struct ExternalFunctions;
37
38// Global interface to functions that may or may not be available.
39extern ExternalFunctions *EF;
40
41typedef std::vector<uint8_t> Unit;
42typedef std::vector<Unit> UnitVector;
43typedef int (*UserCallback)(const uint8_t *Data, size_t Size);
44
45int FuzzerDriver(int *argc, char ***argv, UserCallback Callback);
46
47uint8_t *ExtraCountersBegin();
48uint8_t *ExtraCountersEnd();
49void ClearExtraCounters();
50
51extern bool RunningUserCallback;
52
53} // namespace fuzzer
54
55#endif // LLVM_FUZZER_DEFS_H
56