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113 lines
3.5 KiB
C++
113 lines
3.5 KiB
C++
//===- FuzzerDefs.h - Internal header for the Fuzzer ------------*- C++ -* ===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// Basic definitions.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_FUZZER_DEFS_H
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#define LLVM_FUZZER_DEFS_H
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#include <cassert>
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#include <cstddef>
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#include <cstdint>
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#include <cstring>
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#include <string>
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#include <vector>
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// Platform detection.
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#ifdef __linux__
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#define LIBFUZZER_LINUX 1
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#define LIBFUZZER_APPLE 0
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#elif __APPLE__
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#define LIBFUZZER_LINUX 0
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#define LIBFUZZER_APPLE 1
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#else
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#error "Support for your platform has not been implemented"
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#endif
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#ifdef __x86_64
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#define ATTRIBUTE_TARGET_POPCNT __attribute__((target("popcnt")))
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#else
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#define ATTRIBUTE_TARGET_POPCNT
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#endif
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namespace fuzzer {
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template <class T> T Min(T a, T b) { return a < b ? a : b; }
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template <class T> T Max(T a, T b) { return a > b ? a : b; }
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class Random;
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class Dictionary;
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class DictionaryEntry;
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class MutationDispatcher;
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struct FuzzingOptions;
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class InputCorpus;
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struct InputInfo;
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struct ExternalFunctions;
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// Global interface to functions that may or may not be available.
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extern ExternalFunctions *EF;
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typedef std::vector<uint8_t> Unit;
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typedef std::vector<Unit> UnitVector;
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typedef int (*UserCallback)(const uint8_t *Data, size_t Size);
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int FuzzerDriver(int *argc, char ***argv, UserCallback Callback);
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bool IsFile(const std::string &Path);
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long GetEpoch(const std::string &Path);
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std::string FileToString(const std::string &Path);
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Unit FileToVector(const std::string &Path, size_t MaxSize = 0);
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void ReadDirToVectorOfUnits(const char *Path, std::vector<Unit> *V,
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long *Epoch, size_t MaxSize);
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void WriteToFile(const Unit &U, const std::string &Path);
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void CopyFileToErr(const std::string &Path);
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// Returns "Dir/FileName" or equivalent for the current OS.
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std::string DirPlusFile(const std::string &DirPath,
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const std::string &FileName);
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void DupAndCloseStderr();
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void CloseStdout();
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void Printf(const char *Fmt, ...);
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void PrintHexArray(const Unit &U, const char *PrintAfter = "");
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void PrintHexArray(const uint8_t *Data, size_t Size,
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const char *PrintAfter = "");
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void PrintASCII(const uint8_t *Data, size_t Size, const char *PrintAfter = "");
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void PrintASCII(const Unit &U, const char *PrintAfter = "");
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void PrintPC(const char *SymbolizedFMT, const char *FallbackFMT, uintptr_t PC);
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std::string Hash(const Unit &U);
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void SetTimer(int Seconds);
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void SetSigSegvHandler();
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void SetSigBusHandler();
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void SetSigAbrtHandler();
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void SetSigIllHandler();
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void SetSigFpeHandler();
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void SetSigIntHandler();
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void SetSigTermHandler();
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std::string Base64(const Unit &U);
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int ExecuteCommand(const std::string &Command);
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size_t GetPeakRSSMb();
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// Private copy of SHA1 implementation.
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static const int kSHA1NumBytes = 20;
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// Computes SHA1 hash of 'Len' bytes in 'Data', writes kSHA1NumBytes to 'Out'.
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void ComputeSHA1(const uint8_t *Data, size_t Len, uint8_t *Out);
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std::string Sha1ToString(const uint8_t Sha1[kSHA1NumBytes]);
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// Changes U to contain only ASCII (isprint+isspace) characters.
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// Returns true iff U has been changed.
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bool ToASCII(uint8_t *Data, size_t Size);
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bool IsASCII(const Unit &U);
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bool IsASCII(const uint8_t *Data, size_t Size);
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int NumberOfCpuCores();
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int GetPid();
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void SleepSeconds(int Seconds);
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} // namespace fuzzer
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#endif // LLVM_FUZZER_DEFS_H
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