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