1 //===- FuzzerUtil.h - Internal header for the Fuzzer Utils ------*- C++ -* ===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // Util functions. 10 //===----------------------------------------------------------------------===// 11 12 #ifndef LLVM_FUZZER_UTIL_H 13 #define LLVM_FUZZER_UTIL_H 14 15 #include "FuzzerDefs.h" 16 17 namespace fuzzer { 18 19 void PrintHexArray(const Unit &U, const char *PrintAfter = ""); 20 21 void PrintHexArray(const uint8_t *Data, size_t Size, 22 const char *PrintAfter = ""); 23 24 void PrintASCII(const uint8_t *Data, size_t Size, const char *PrintAfter = ""); 25 26 void PrintASCII(const Unit &U, const char *PrintAfter = ""); 27 28 // Changes U to contain only ASCII (isprint+isspace) characters. 29 // Returns true iff U has been changed. 30 bool ToASCII(uint8_t *Data, size_t Size); 31 32 bool IsASCII(const Unit &U); 33 34 bool IsASCII(const uint8_t *Data, size_t Size); 35 36 std::string Base64(const Unit &U); 37 38 void PrintPC(const char *SymbolizedFMT, const char *FallbackFMT, uintptr_t PC); 39 40 std::string DescribePC(const char *SymbolizedFMT, uintptr_t PC); 41 42 unsigned NumberOfCpuCores(); 43 44 bool ExecuteCommandAndReadOutput(const std::string &Command, std::string *Out); 45 46 // Platform specific functions. 47 void SetSignalHandler(const FuzzingOptions& Options); 48 49 void SleepSeconds(int Seconds); 50 51 unsigned long GetPid(); 52 53 size_t GetPeakRSSMb(); 54 55 int ExecuteCommand(const std::string &Command); 56 57 FILE *OpenProcessPipe(const char *Command, const char *Mode); 58 59 const void *SearchMemory(const void *haystack, size_t haystacklen, 60 const void *needle, size_t needlelen); 61 62 std::string CloneArgsWithoutX(const std::vector<std::string> &Args, 63 const char *X1, const char *X2); 64 65 inline std::string CloneArgsWithoutX(const std::vector<std::string> &Args, 66 const char *X) { 67 return CloneArgsWithoutX(Args, X, X); 68 } 69 70 std::string DisassembleCmd(const std::string &FileName); 71 72 std::string SearchRegexCmd(const std::string &Regex); 73 74 } // namespace fuzzer 75 76 #endif // LLVM_FUZZER_UTIL_H 77
