1 //===--- SanitizerMetadata.h - Metadata for sanitizers ----------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Class which emits metadata consumed by sanitizer instrumentation passes. 11 // 12 //===----------------------------------------------------------------------===// 13 #ifndef LLVM_CLANG_LIB_CODEGEN_SANITIZERMETADATA_H 14 #define LLVM_CLANG_LIB_CODEGEN_SANITIZERMETADATA_H 15 16 #include "clang/AST/Type.h" 17 #include "clang/Basic/LLVM.h" 18 #include "clang/Basic/SourceLocation.h" 19 20 namespace llvm { 21 class GlobalVariable; 22 class Instruction; 23 class MDNode; 24 } 25 26 namespace clang { 27 class VarDecl; 28 29 namespace CodeGen { 30 31 class CodeGenModule; 32 33 class SanitizerMetadata { 34 SanitizerMetadata(const SanitizerMetadata &) = delete; 35 void operator=(const SanitizerMetadata &) = delete; 36 37 CodeGenModule &CGM; 38 public: 39 SanitizerMetadata(CodeGenModule &CGM); 40 void reportGlobalToASan(llvm::GlobalVariable *GV, const VarDecl &D, 41 bool IsDynInit = false); 42 void reportGlobalToASan(llvm::GlobalVariable *GV, SourceLocation Loc, 43 StringRef Name, QualType Ty, bool IsDynInit = false, 44 bool IsBlacklisted = false); 45 void disableSanitizerForGlobal(llvm::GlobalVariable *GV); 46 void disableSanitizerForInstruction(llvm::Instruction *I); 47 private: 48 llvm::MDNode *getLocationMetadata(SourceLocation Loc); 49 }; 50 } // end namespace CodeGen 51 } // end namespace clang 52 53 #endif 54