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//===- FuzzerDefs.h - Internal header for the Fuzzer ------------*- C++ -* ===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Basic definitions.
//===----------------------------------------------------------------------===//
#ifndef LLVM_FUZZER_DEFS_H
#define LLVM_FUZZER_DEFS_H
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <string>
#include <vector>
// Platform detection.
#ifdef __linux__
#define LIBFUZZER_APPLE 0
#define LIBFUZZER_FUCHSIA 0
#define LIBFUZZER_LINUX 1
#define LIBFUZZER_WINDOWS 0
#elif __APPLE__
#define LIBFUZZER_APPLE 1
#define LIBFUZZER_FUCHSIA 0
#define LIBFUZZER_LINUX 0
#define LIBFUZZER_WINDOWS 0
#elif _WIN32
#define LIBFUZZER_APPLE 0
#define LIBFUZZER_FUCHSIA 0
#define LIBFUZZER_LINUX 0
#define LIBFUZZER_WINDOWS 1
#elif __Fuchsia__
#define LIBFUZZER_APPLE 0
#define LIBFUZZER_FUCHSIA 1
#define LIBFUZZER_LINUX 0
#define LIBFUZZER_WINDOWS 0
#else
#error "Support for your platform has not been implemented"
#endif
#define LIBFUZZER_POSIX LIBFUZZER_APPLE || LIBFUZZER_LINUX
#ifdef __x86_64
#define ATTRIBUTE_TARGET_POPCNT __attribute__((target("popcnt")))
#else
#define ATTRIBUTE_TARGET_POPCNT
#endif
#ifdef __clang__ // avoid gcc warning.
# define ATTRIBUTE_NO_SANITIZE_MEMORY __attribute__((no_sanitize("memory")))
# define ALWAYS_INLINE __attribute__((always_inline))
#else
# define ATTRIBUTE_NO_SANITIZE_MEMORY
# define ALWAYS_INLINE
#endif // __clang__
#define ATTRIBUTE_NO_SANITIZE_ADDRESS __attribute__((no_sanitize_address))
#if defined(__has_feature)
# if __has_feature(address_sanitizer)
# define ATTRIBUTE_NO_SANITIZE_ALL ATTRIBUTE_NO_SANITIZE_ADDRESS
# elif __has_feature(memory_sanitizer)
# define ATTRIBUTE_NO_SANITIZE_ALL ATTRIBUTE_NO_SANITIZE_MEMORY
# else
# define ATTRIBUTE_NO_SANITIZE_ALL
# endif
#else
# define ATTRIBUTE_NO_SANITIZE_ALL
#endif
#if LIBFUZZER_WINDOWS
#define ATTRIBUTE_INTERFACE __declspec(dllexport)
#else
#define ATTRIBUTE_INTERFACE __attribute__((visibility("default")))
#endif
namespace fuzzer {
template <class T> T Min(T a, T b) { return a < b ? a : b; }
template <class T> T Max(T a, T b) { return a > b ? a : b; }
class Random;
class Dictionary;
class DictionaryEntry;
class MutationDispatcher;
struct FuzzingOptions;
class InputCorpus;
struct InputInfo;
struct ExternalFunctions;
// Global interface to functions that may or may not be available.
extern ExternalFunctions *EF;
typedef std::vector<uint8_t> Unit;
typedef std::vector<Unit> UnitVector;
typedef int (*UserCallback)(const uint8_t *Data, size_t Size);
int FuzzerDriver(int *argc, char ***argv, UserCallback Callback);
struct ScopedDoingMyOwnMemOrStr {
ScopedDoingMyOwnMemOrStr() { DoingMyOwnMemOrStr++; }
~ScopedDoingMyOwnMemOrStr() { DoingMyOwnMemOrStr--; }
static int DoingMyOwnMemOrStr;
};
inline uint8_t Bswap(uint8_t x) { return x; }
inline uint16_t Bswap(uint16_t x) { return __builtin_bswap16(x); }
inline uint32_t Bswap(uint32_t x) { return __builtin_bswap32(x); }
inline uint64_t Bswap(uint64_t x) { return __builtin_bswap64(x); }
uint8_t *ExtraCountersBegin();
uint8_t *ExtraCountersEnd();
void ClearExtraCounters();
} // namespace fuzzer
#endif // LLVM_FUZZER_DEFS_H