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📄 FuzzerBuiltins.h(1.25 KB)
📄 FuzzerBuiltinsMsvc.h(2.33 KB)
📄 FuzzerCommand.h(5.95 KB)
📄 FuzzerCorpus.h(16.93 KB)
📄 FuzzerCrossOver.cpp(1.85 KB)
📄 FuzzerDataFlowTrace.cpp(9.93 KB)
📄 FuzzerDataFlowTrace.h(3.98 KB)
📄 FuzzerDefs.h(1.99 KB)
📄 FuzzerDictionary.h(3.32 KB)
📄 FuzzerDriver.cpp(28.35 KB)
📄 FuzzerExtFunctions.def(2.5 KB)
📄 FuzzerExtFunctions.h(1.04 KB)
📄 FuzzerExtFunctionsDlsym.cpp(1.63 KB)
📄 FuzzerExtFunctionsWeak.cpp(1.9 KB)
📄 FuzzerExtFunctionsWindows.cpp(2.79 KB)
📄 FuzzerExtraCounters.cpp(1.55 KB)
📄 FuzzerFlags.def(10.02 KB)
📄 FuzzerFork.cpp(12.53 KB)
📄 FuzzerFork.h(778 B)
📄 FuzzerIO.cpp(4.47 KB)
📄 FuzzerIO.h(3.31 KB)
📄 FuzzerIOPosix.cpp(4.47 KB)
📄 FuzzerIOWindows.cpp(11.59 KB)
📄 FuzzerInterface.h(3.03 KB)
📄 FuzzerInternal.h(5.33 KB)
📄 FuzzerLoop.cpp(28.54 KB)
📄 FuzzerMain.cpp(791 B)
📄 FuzzerMerge.cpp(13.75 KB)
📄 FuzzerMerge.h(3.31 KB)
📄 FuzzerMutate.cpp(20.02 KB)
📄 FuzzerMutate.h(6.57 KB)
📄 FuzzerOptions.h(2.36 KB)
📄 FuzzerPlatform.h(4.69 KB)
📄 FuzzerRandom.h(1.21 KB)
📄 FuzzerSHA1.cpp(5.56 KB)
📄 FuzzerSHA1.h(978 B)
📄 FuzzerTracePC.cpp(22.56 KB)
📄 FuzzerTracePC.h(8.87 KB)
📄 FuzzerUtil.cpp(6.75 KB)
📄 FuzzerUtil.h(3.25 KB)
📄 FuzzerUtilDarwin.cpp(5.87 KB)
📄 FuzzerUtilFuchsia.cpp(20.16 KB)
📄 FuzzerUtilLinux.cpp(1.12 KB)
📄 FuzzerUtilPosix.cpp(5.07 KB)
📄 FuzzerUtilWindows.cpp(5.93 KB)
📄 FuzzerValueBitMap.h(2.24 KB)
📄 README.txt(40 B)

Editing: FuzzerBuiltinsMsvc.h

//===- FuzzerBuiltinsMSVC.h - Internal header for builtins ------*- 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
//
//===----------------------------------------------------------------------===//
// Wrapper functions and marcos that use intrinsics instead of builtin functions
// which cannot be compiled by MSVC.
//===----------------------------------------------------------------------===//

#ifndef LLVM_FUZZER_BUILTINS_MSVC_H
#define LLVM_FUZZER_BUILTINS_MSVC_H

#include "FuzzerPlatform.h"

#if LIBFUZZER_MSVC
#include <intrin.h>
#include <cstdint>
#include <cstdlib>

// __builtin_return_address() cannot be compiled with MSVC. Use the equivalent
// from <intrin.h>
#define GET_CALLER_PC() _ReturnAddress()

namespace fuzzer {

inline uint8_t  Bswap(uint8_t x)  { return x; }
// Use alternatives to __builtin functions from <stdlib.h> and <intrin.h> on
// Windows since the builtins are not supported by MSVC.
inline uint16_t Bswap(uint16_t x) { return _byteswap_ushort(x); }
inline uint32_t Bswap(uint32_t x) { return _byteswap_ulong(x); }
inline uint64_t Bswap(uint64_t x) { return _byteswap_uint64(x); }

// The functions below were mostly copied from
// compiler-rt/lib/builtins/int_lib.h which defines the __builtin functions used
// outside of Windows.
inline uint32_t Clzll(uint64_t X) {
  unsigned long LeadZeroIdx = 0;

#if !defined(_M_ARM) && !defined(_M_X64)
  // Scan the high 32 bits.
  if (_BitScanReverse(&LeadZeroIdx, static_cast<unsigned long>(X >> 32)))
    return static_cast<int>(63 - (LeadZeroIdx + 32)); // Create a bit offset from the MSB.
  // Scan the low 32 bits.
  if (_BitScanReverse(&LeadZeroIdx, static_cast<unsigned long>(X)))
    return static_cast<int>(63 - LeadZeroIdx);

#else
  if (_BitScanReverse64(&LeadZeroIdx, X)) return 63 - LeadZeroIdx;
#endif
  return 64;
}

inline uint32_t Clz(uint32_t X) {
  unsigned long LeadZeroIdx = 0;
  if (_BitScanReverse(&LeadZeroIdx, X)) return 31 - LeadZeroIdx;
  return 32;
}

inline int Popcountll(unsigned long long X) {
#if !defined(_M_ARM) && !defined(_M_X64)
  return __popcnt(X) + __popcnt(X >> 32);
#else
  return __popcnt64(X);
#endif
}

}  // namespace fuzzer

#endif  // LIBFUZER_MSVC
#endif  // LLVM_FUZZER_BUILTINS_MSVC_H

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Editing: FuzzerBuiltinsMsvc.h

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