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 15 using namespace clang; 16 17 std::unique_ptr<SanitizerSpecialCaseList> 18 SanitizerSpecialCaseList::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 30 std::unique_ptr<SanitizerSpecialCaseList> 31 SanitizerSpecialCaseList::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 39 void SanitizerSpecialCaseList::createSanitizerSections() { 40 for (auto &It : Sections) { 41 auto &S = It.second; 42 SanitizerMask Mask; 43 44 #define SANITIZER(NAME, ID) \ 45 if (S.SectionMatcher->match(NAME)) \ 46 Mask |= SanitizerKind::ID; 47 #define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID) 48 49 #include "clang/Basic/Sanitizers.def" 50 #undef SANITIZER 51 #undef SANITIZER_GROUP 52 53 SanitizerSections.emplace_back(Mask, S.Entries); 54 } 55 } 56 57 bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix, 58 StringRef Query, 59 StringRef Category) const { 60 for (auto &S : SanitizerSections) 61 if ((S.Mask & Mask) && 62 SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category)) 63 return true; 64 65 return false; 66 } 67