1//===--- SanitizerSpecialCaseList.cpp - SCL for sanitizers ----------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// An extension of SpecialCaseList to allowing querying sections by 10// SanitizerMask. 11// 12//===----------------------------------------------------------------------===// 13#include "clang/Basic/SanitizerSpecialCaseList.h" 14 15using namespace clang; 16 17std::unique_ptr<SanitizerSpecialCaseList> 18SanitizerSpecialCaseList::create(const std::vector<std::string> &Paths, 19 llvm::vfs::FileSystem &VFS, 20 std::string &Error) { 21 std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL( 22 new SanitizerSpecialCaseList()); 23 if (SSCL->createInternal(Paths, VFS, Error)) { 24 SSCL->createSanitizerSections(); 25 return SSCL; 26 } 27 return nullptr; 28} 29 30std::unique_ptr<SanitizerSpecialCaseList> 31SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths, 32 llvm::vfs::FileSystem &VFS) { 33 std::string Error; 34 if (auto SSCL = create(Paths, VFS, Error)) 35 return SSCL; 36 llvm::report_fatal_error(StringRef(Error)); 37} 38 39void SanitizerSpecialCaseList::createSanitizerSections() { 40 for (auto &S : Sections) { 41 SanitizerMask Mask; 42 43#define SANITIZER(NAME, ID) \ 44 if (S.SectionMatcher->match(NAME)) \ 45 Mask |= SanitizerKind::ID; 46#define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID) 47 48#include "clang/Basic/Sanitizers.def" 49#undef SANITIZER 50#undef SANITIZER_GROUP 51 52 SanitizerSections.emplace_back(Mask, S.Entries); 53 } 54} 55 56bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix, 57 StringRef Query, 58 StringRef Category) const { 59 for (auto &S : SanitizerSections) 60 if ((S.Mask & Mask) && 61 SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category)) 62 return true; 63 64 return false; 65} 66