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authorthegeorg <[email protected]>2022-11-07 19:34:08 +0300
committerthegeorg <[email protected]>2022-11-07 19:34:08 +0300
commit50f76e264c70a223a34b24aa59e97bff97128f4c (patch)
treee604247a10f09df6158c172577b9bfa431f1e1b5 /contrib/libs/libfuzzer12/FuzzerBuiltinsMsvc.h
parent278a58c5af63dbd7f7a6d8b8d92dc246651242da (diff)
Switch fuzz tests to contrib/libs/libfuzzer
Diffstat (limited to 'contrib/libs/libfuzzer12/FuzzerBuiltinsMsvc.h')
-rw-r--r--contrib/libs/libfuzzer12/FuzzerBuiltinsMsvc.h72
1 files changed, 0 insertions, 72 deletions
diff --git a/contrib/libs/libfuzzer12/FuzzerBuiltinsMsvc.h b/contrib/libs/libfuzzer12/FuzzerBuiltinsMsvc.h
deleted file mode 100644
index c5bec9787d8..00000000000
--- a/contrib/libs/libfuzzer12/FuzzerBuiltinsMsvc.h
+++ /dev/null
@@ -1,72 +0,0 @@
-//===- 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