clang  9.0.0svn
SanitizerArgs.h
Go to the documentation of this file.
1 //===--- SanitizerArgs.h - Arguments for sanitizer tools -------*- 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 #ifndef LLVM_CLANG_DRIVER_SANITIZERARGS_H
9 #define LLVM_CLANG_DRIVER_SANITIZERARGS_H
10 
11 #include "clang/Basic/Sanitizers.h"
12 #include "clang/Driver/Types.h"
13 #include "llvm/Option/Arg.h"
14 #include "llvm/Option/ArgList.h"
15 #include <string>
16 #include <vector>
17 
18 namespace clang {
19 namespace driver {
20 
21 class ToolChain;
22 
24  SanitizerSet Sanitizers;
25  SanitizerSet RecoverableSanitizers;
26  SanitizerSet TrapSanitizers;
27 
28  std::vector<std::string> BlacklistFiles;
29  std::vector<std::string> ExtraDeps;
30  int CoverageFeatures = 0;
31  int MsanTrackOrigins = 0;
32  bool MsanUseAfterDtor = true;
33  bool CfiCrossDso = false;
34  bool CfiICallGeneralizePointers = false;
35  int AsanFieldPadding = 0;
36  bool SharedRuntime = false;
37  bool AsanUseAfterScope = true;
38  bool AsanPoisonCustomArrayCookie = false;
39  bool AsanGlobalsDeadStripping = false;
40  bool AsanUseOdrIndicator = false;
41  bool AsanInvalidPointerCmp = false;
42  bool AsanInvalidPointerSub = false;
43  std::string HwasanAbi;
44  bool LinkCXXRuntimes = false;
45  bool NeedPIE = false;
46  bool SafeStackRuntime = false;
47  bool Stats = false;
48  bool TsanMemoryAccess = true;
49  bool TsanFuncEntryExit = true;
50  bool TsanAtomics = true;
51  bool MinimalRuntime = false;
52  // True if cross-dso CFI support if provided by the system (i.e. Android).
53  bool ImplicitCfiRuntime = false;
54 
55  public:
56  /// Parses the sanitizer arguments from an argument list.
57  SanitizerArgs(const ToolChain &TC, const llvm::opt::ArgList &Args);
58 
59  bool needsSharedRt() const { return SharedRuntime; }
60 
61  bool needsAsanRt() const { return Sanitizers.has(SanitizerKind::Address); }
62  bool needsHwasanRt() const { return Sanitizers.has(SanitizerKind::HWAddress); }
63  bool needsTsanRt() const { return Sanitizers.has(SanitizerKind::Thread); }
64  bool needsMsanRt() const { return Sanitizers.has(SanitizerKind::Memory); }
65  bool needsFuzzer() const { return Sanitizers.has(SanitizerKind::Fuzzer); }
66  bool needsLsanRt() const {
67  return Sanitizers.has(SanitizerKind::Leak) &&
68  !Sanitizers.has(SanitizerKind::Address) &&
69  !Sanitizers.has(SanitizerKind::HWAddress);
70  }
71  bool needsUbsanRt() const;
72  bool requiresMinimalRuntime() const { return MinimalRuntime; }
73  bool needsDfsanRt() const { return Sanitizers.has(SanitizerKind::DataFlow); }
74  bool needsSafeStackRt() const { return SafeStackRuntime; }
75  bool needsCfiRt() const;
76  bool needsCfiDiagRt() const;
77  bool needsStatsRt() const { return Stats; }
78  bool needsScudoRt() const { return Sanitizers.has(SanitizerKind::Scudo); }
79 
80  bool requiresPIE() const;
81  bool needsUnwindTables() const;
82  bool needsLTO() const;
83  bool linkCXXRuntimes() const { return LinkCXXRuntimes; }
84  bool hasCrossDsoCfi() const { return CfiCrossDso; }
85  bool hasAnySanitizer() const { return !Sanitizers.empty(); }
86  void addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,
87  llvm::opt::ArgStringList &CmdArgs, types::ID InputType) const;
88 };
89 
90 } // namespace driver
91 } // namespace clang
92 
93 #endif
void addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, types::ID InputType) const
Defines the clang::SanitizerKind enum.
bool requiresMinimalRuntime() const
Definition: SanitizerArgs.h:72
Dataflow Directional Tag Classes.
bool empty() const
Returns true if no sanitizers are enabled.
Definition: Sanitizers.h:170
bool has(SanitizerMask K) const
Check if a certain (single) sanitizer is enabled.
Definition: Sanitizers.h:152
SanitizerArgs(const ToolChain &TC, const llvm::opt::ArgList &Args)
Parses the sanitizer arguments from an argument list.
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:88