1//===--- SanitizerBlacklist.cpp - Blacklist 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// User-provided blacklist used to disable/alter instrumentation done in
10// sanitizers.
11//
12//===----------------------------------------------------------------------===//
13
14#include "clang/Basic/SanitizerBlacklist.h"
15#include "clang/Basic/FileManager.h"
16#include "clang/Basic/SanitizerSpecialCaseList.h"
17#include "clang/Basic/Sanitizers.h"
18#include "clang/Basic/SourceManager.h"
19
20using namespace clang;
21
22SanitizerBlacklist::SanitizerBlacklist(
23    const std::vector<std::string> &BlacklistPaths, SourceManager &SM)
24    : SSCL(SanitizerSpecialCaseList::createOrDie(
25          BlacklistPaths, SM.getFileManager().getVirtualFileSystem())),
26      SM(SM) {}
27
28SanitizerBlacklist::~SanitizerBlacklist() = default;
29
30bool SanitizerBlacklist::isBlacklistedGlobal(SanitizerMask Mask,
31                                             StringRef GlobalName,
32                                             StringRef Category) const {
33  return SSCL->inSection(Mask, "global", GlobalName, Category);
34}
35
36bool SanitizerBlacklist::isBlacklistedType(SanitizerMask Mask,
37                                           StringRef MangledTypeName,
38                                           StringRef Category) const {
39  return SSCL->inSection(Mask, "type", MangledTypeName, Category);
40}
41
42bool SanitizerBlacklist::isBlacklistedFunction(SanitizerMask Mask,
43                                               StringRef FunctionName) const {
44  return SSCL->inSection(Mask, "fun", FunctionName);
45}
46
47bool SanitizerBlacklist::isBlacklistedFile(SanitizerMask Mask,
48                                           StringRef FileName,
49                                           StringRef Category) const {
50  return SSCL->inSection(Mask, "src", FileName, Category);
51}
52
53bool SanitizerBlacklist::isBlacklistedLocation(SanitizerMask Mask,
54                                               SourceLocation Loc,
55                                               StringRef Category) const {
56  return Loc.isValid() &&
57         isBlacklistedFile(Mask, SM.getFilename(SM.getFileLoc(Loc)), Category);
58}
59
60