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
19namespace llvm {
20class GlobalVariable;
21class Instruction;
22class MDNode;
23}
24
25namespace clang {
26class VarDecl;
27
28namespace CodeGen {
29
30class CodeGenModule;
31
32class SanitizerMetadata {
33 SanitizerMetadata(const SanitizerMetadata &) = delete;
34 void operator=(const SanitizerMetadata &) = delete;
35
36 CodeGenModule &CGM;
37public:
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);
46private:
47 llvm::MDNode *getLocationMetadata(SourceLocation Loc);
48};
49} // end namespace CodeGen
50} // end namespace clang
51
52#endif
53