vasilito
cb424d7448
verify-patch-sanity.py validates every active recipe .patch has internally- consistent hunk line counts — catching the 'malformed patch at line N' failure at commit/CI/preflight time instead of hours into a cook. This cycle hit that class three times (qtwaylandscanner, sddm, xwayland), each only discovered when cookbook tried to apply the patch. Running it across the repo found 29 latent malformed patches (validated against GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22'). They were harmless only because they sit in vendored recipes (baked, not re- applied) — but would fail on any version-bump re-derivation. --fix recounts the hunk headers (body untouched) and repaired all 29. Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test (test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats (empty placeholders, bare-@@ git hunks).
68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
//===- FuzzerBuiltinsMSVC.h - Internal header for builtins ------*- C++ -* ===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// Wrapper functions and marcos that use intrinsics instead of builtin functions
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// which cannot be compiled by MSVC.
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_FUZZER_BUILTINS_MSVC_H
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#define LLVM_FUZZER_BUILTINS_MSVC_H
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#include "FuzzerPlatform.h"
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#if LIBFUZZER_MSVC
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#include <intrin.h>
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#include <cstdint>
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#include <cstdlib>
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// __builtin_return_address() cannot be compiled with MSVC. Use the equivalent
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// from <intrin.h>
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#define GET_CALLER_PC() _ReturnAddress()
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namespace fuzzer {
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inline uint8_t Bswap(uint8_t x) { return x; }
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// Use alternatives to __builtin functions from <stdlib.h> and <intrin.h> on
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// Windows since the builtins are not supported by MSVC.
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inline uint16_t Bswap(uint16_t x) { return _byteswap_ushort(x); }
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inline uint32_t Bswap(uint32_t x) { return _byteswap_ulong(x); }
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inline uint64_t Bswap(uint64_t x) { return _byteswap_uint64(x); }
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// The functions below were mostly copied from
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// compiler-rt/lib/builtins/int_lib.h which defines the __builtin functions used
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// outside of Windows.
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inline uint32_t Clzll(uint64_t X) {
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unsigned long LeadZeroIdx = 0;
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#if !defined(_M_ARM) && !defined(_M_X64)
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// Scan the high 32 bits.
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if (_BitScanReverse(&LeadZeroIdx, static_cast<unsigned long>(X >> 32)))
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return static_cast<int>(
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63 - (LeadZeroIdx + 32)); // Create a bit offset from the MSB.
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// Scan the low 32 bits.
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if (_BitScanReverse(&LeadZeroIdx, static_cast<unsigned long>(X)))
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return static_cast<int>(63 - LeadZeroIdx);
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#else
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if (_BitScanReverse64(&LeadZeroIdx, X)) return 63 - LeadZeroIdx;
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#endif
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return 64;
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}
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inline int Popcountll(unsigned long long X) {
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#if !defined(_M_ARM) && !defined(_M_X64)
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return __popcnt(X) + __popcnt(X >> 32);
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#else
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return __popcnt64(X);
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#endif
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}
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} // namespace fuzzer
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#endif // LIBFUZER_MSVC
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#endif // LLVM_FUZZER_BUILTINS_MSVC_H
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