clang  10.0.0svn
SanitizerMetadata.h
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1 //===--- SanitizerMetadata.h - Metadata 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 // Class which emits metadata consumed by sanitizer instrumentation passes.
10 //
11 //===----------------------------------------------------------------------===//
12 #ifndef LLVM_CLANG_LIB_CODEGEN_SANITIZERMETADATA_H
13 #define LLVM_CLANG_LIB_CODEGEN_SANITIZERMETADATA_H
14 
15 #include "clang/AST/Type.h"
16 #include "clang/Basic/LLVM.h"
18 
19 namespace llvm {
20 class GlobalVariable;
21 class Instruction;
22 class MDNode;
23 }
24 
25 namespace clang {
26 class VarDecl;
27 
28 namespace CodeGen {
29 
30 class CodeGenModule;
31 
33  SanitizerMetadata(const SanitizerMetadata &) = delete;
34  void operator=(const SanitizerMetadata &) = delete;
35 
36  CodeGenModule &CGM;
37 public:
39  void reportGlobalToASan(llvm::GlobalVariable *GV, const VarDecl &D,
40  bool IsDynInit = false);
41  void reportGlobalToASan(llvm::GlobalVariable *GV, SourceLocation Loc,
42  StringRef Name, QualType Ty, bool IsDynInit = false,
43  bool IsBlacklisted = false);
44  void disableSanitizerForGlobal(llvm::GlobalVariable *GV);
45  void disableSanitizerForInstruction(llvm::Instruction *I);
46 private:
47  llvm::MDNode *getLocationMetadata(SourceLocation Loc);
48 };
49 } // end namespace CodeGen
50 } // end namespace clang
51 
52 #endif
A (possibly-)qualified type.
Definition: Type.h:643
Specialize PointerLikeTypeTraits to allow LazyGenerationalUpdatePtr to be placed into a PointerUnion...
Definition: Dominators.h:30
C Language Family Type Representation.
Represents a variable declaration or definition.
Definition: Decl.h:827
Forward-declares and imports various common LLVM datatypes that clang wants to use unqualified...
Encodes a location in the source.
This class organizes the cross-function state that is used while generating LLVM code.
Dataflow Directional Tag Classes.
Defines the clang::SourceLocation class and associated facilities.