1 //===--- SanitizerSpecialCaseList.h - SCL for sanitizers --------*- C++ -*-===//
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 #ifndef LLVM_CLANG_BASIC_SANITIZERSPECIALCASELIST_H
14 #define LLVM_CLANG_BASIC_SANITIZERSPECIALCASELIST_H
15 
16 #include "clang/Basic/LLVM.h"
17 #include "clang/Basic/Sanitizers.h"
18 #include "llvm/ADT/StringRef.h"
19 #include "llvm/Support/SpecialCaseList.h"
20 #include "llvm/Support/VirtualFileSystem.h"
21 #include <memory>
22 
23 namespace clang {
24 
25 class SanitizerSpecialCaseList : public llvm::SpecialCaseList {
26 public:
27   static std::unique_ptr<SanitizerSpecialCaseList>
28   create(const std::vector<std::string> &Paths, llvm::vfs::FileSystem &VFS,
29          std::string &Error);
30 
31   static std::unique_ptr<SanitizerSpecialCaseList>
32   createOrDie(const std::vector<std::string> &Paths,
33               llvm::vfs::FileSystem &VFS);
34 
35   // Query blacklisted entries if any bit in Mask matches the entry's section.
36   bool inSection(SanitizerMask Mask, StringRef Prefix, StringRef Query,
37                  StringRef Category = StringRef()) const;
38 
39 protected:
40   // Initialize SanitizerSections.
41   void createSanitizerSections();
42 
43   struct SanitizerSection {
44     SanitizerSection(SanitizerMask SM, SectionEntries &E)
45         : Mask(SM), Entries(E){};
46 
47     SanitizerMask Mask;
48     SectionEntries &Entries;
49   };
50 
51   std::vector<SanitizerSection> SanitizerSections;
52 };
53 
54 } // end namespace clang
55 
56 #endif
57