Quelle FuzzerUtil.h Sprache: C

//===- FuzzerUtil.h - Internal header for the Fuzzer Utils ------*- C++ -* ===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// Util functions.
//===----------------------------------------------------------------------===//

#ifndef LLVM_FUZZER_UTIL_H
#define LLVM_FUZZER_UTIL_H

#include "FuzzerBuiltins.h"
#include "FuzzerBuiltinsMsvc.h"
#include "FuzzerCommand.h"
#include "FuzzerDefs.h"

namespace fuzzer {

void PrintHexArray(const Unit &U, const char *PrintAfter = "");

void PrintHexArray(const uint8_t *Data, size_t Size,
                   const char *PrintAfter = "");

void PrintASCII(const uint8_t *Data, size_t Size, const char *PrintAfter = "");

void PrintASCII(const Unit &U, const char *PrintAfter = "");

// Changes U to contain only ASCII (isprint+isspace) characters.
// Returns true iff U has been changed.
bool ToASCII(uint8_t *Data, size_t Size);

bool IsASCII(const Unit &U);

bool IsASCII(const uint8_t *Data, size_t Size);

std::string Base64(const Unit &U);

void PrintPC(const char *SymbolizedFMT, const char *FallbackFMT, uintptr_t PC);

std::string DescribePC(const char *SymbolizedFMT, uintptr_t PC);

void PrintStackTrace();

void PrintMemoryProfile();

unsigned NumberOfCpuCores();

// Platform specific functions.
void SetSignalHandler(const FuzzingOptions& Options);

void SleepSeconds(int Seconds);

unsigned long GetPid();

size_t GetPeakRSSMb();

int ExecuteCommand(const Command &Cmd);
bool ExecuteCommand(const Command &Cmd, std::string *CmdOutput);

// Fuchsia does not have popen/pclose.
FILE *OpenProcessPipe(const char *Command, const char *Mode);
int CloseProcessPipe(FILE *F);

const void *SearchMemory(const void *haystack, size_t haystacklen,
                         const void *needle, size_t needlelen);

std::string CloneArgsWithoutX(const Vector<std::string> &Args,
                              const char *X1, const char *X2);

inline std::string CloneArgsWithoutX(const Vector<std::string> &Args,
                                     const char *X) {
  return CloneArgsWithoutX(Args, X, X);
}

inline std::pair<std::string, std::string> SplitBefore(std::string X,
                                                       std::string S) {
  auto Pos = S.find(X);
  if (Pos == std::string::npos)
    return std::make_pair(S, "");
  return std::make_pair(S.substr(0, Pos), S.substr(Pos));
}

void DiscardOutput(int Fd);

std::string DisassembleCmd(const std::string &FileName);

std::string SearchRegexCmd(const std::string &Regex);

size_t SimpleFastHash(const uint8_t *Data, size_t Size);

inline uint32_t Log(uint32_t X) { return 32 - Clz(X) - 1; }

inline size_t PageSize() { return 4096; }
inline uint8_t *RoundUpByPage(uint8_t *P) {
  uintptr_t X = reinterpret_cast<uintptr_t>(P);
  size_t Mask = PageSize() - 1;
  X = (X + Mask) & ~Mask;
  return reinterpret_cast<uint8_t *>(X);
}
inline uint8_t *RoundDownByPage(uint8_t *P) {
  uintptr_t X = reinterpret_cast<uintptr_t>(P);
  size_t Mask = PageSize() - 1;
  X = X & ~Mask;
  return reinterpret_cast<uint8_t *>(X);
}

}  // namespace fuzzer

#endif  // LLVM_FUZZER_UTIL_H

quality99%

¤ Dauer der Verarbeitung: 0.4 Sekunden ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.