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"
17 #include "clang/Basic/SourceLocation.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 
32 class SanitizerMetadata {
33   SanitizerMetadata(const SanitizerMetadata &) = delete;
34   void operator=(const SanitizerMetadata &) = delete;
35 
36   CodeGenModule &CGM;
37 public:
38   SanitizerMetadata(CodeGenModule &CGM);
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 IsExcluded = 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
53