SanitizerSpecialCaseList.cpp revision 353358 
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                                 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
29std::unique_ptr<SanitizerSpecialCaseList>
30SanitizerSpecialCaseList::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
37void 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
54bool 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