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 std::string &Error) { 20 std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL( 21 new SanitizerSpecialCaseList()); 22 if (SSCL->createInternal(Paths, Error)) { 23 SSCL->createSanitizerSections(); 24 return SSCL; 25 } 26 return nullptr; 27 } 28 29 std::unique_ptr<SanitizerSpecialCaseList> 30 SanitizerSpecialCaseList::createOrDie(const std::vector<std::string> &Paths) { 31 std::string Error; 32 if (auto SSCL = create(Paths, Error)) 33 return SSCL; 34 llvm::report_fatal_error(Error); 35 } 36 37 void SanitizerSpecialCaseList::createSanitizerSections() { 38 for (auto &S : Sections) { 39 SanitizerMask Mask; 40 41 #define SANITIZER(NAME, ID) \ 42 if (S.SectionMatcher->match(NAME)) \ 43 Mask |= SanitizerKind::ID; 44 #define SANITIZER_GROUP(NAME, ID, ALIAS) SANITIZER(NAME, ID) 45 46 #include "clang/Basic/Sanitizers.def" 47 #undef SANITIZER 48 #undef SANITIZER_GROUP 49 50 SanitizerSections.emplace_back(Mask, S.Entries); 51 } 52 } 53 54 bool SanitizerSpecialCaseList::inSection(SanitizerMask Mask, StringRef Prefix, 55 StringRef Query, 56 StringRef Category) const { 57 for (auto &S : SanitizerSections) 58 if ((S.Mask & Mask) && 59 SpecialCaseList::inSectionBlame(S.Entries, Prefix, Query, Category)) 60 return true; 61 62 return false; 63 } 64