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>
create(const std::vector<std::string> & Paths,llvm::vfs::FileSystem & VFS,std::string & Error)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>
createOrDie(const std::vector<std::string> & Paths,llvm::vfs::FileSystem & VFS)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(Error);
37 }
38
createSanitizerSections()39 void 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
inSection(SanitizerMask Mask,StringRef Prefix,StringRef Query,StringRef Category) const56 bool 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