1 //===- TargetMachine.h ----------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #ifndef MCLD_TARGET_TARGET_MACHINE_H 10 #define MCLD_TARGET_TARGET_MACHINE_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 #include <llvm/Target/TargetMachine.h> 15 #include <string> 16 17 namespace llvm { 18 19 class Target; 20 class TargetData; 21 class TargetMachine; 22 class PassManagerBase; 23 24 } // namespace of llvm 25 26 namespace mcld { 27 28 class Module; 29 class Target; 30 class MemoryArea; 31 class LinkerConfig; 32 class ToolOutputFile; 33 34 using namespace llvm; 35 36 enum CodeGenFileType { 37 CGFT_ASMFile, 38 CGFT_OBJFile, 39 CGFT_DSOFile, 40 CGFT_EXEFile, 41 CGFT_PARTIAL, 42 CGFT_BINARY, 43 CGFT_NULLFile 44 }; 45 46 47 /** \class mcld::MCLDTargetMachine 48 * \brief mcld::MCLDTargetMachine is a object adapter of LLVMTargetMachine. 49 */ 50 class MCLDTargetMachine 51 { 52 public: 53 /// Adapter of llvm::TargetMachine 54 /// 55 MCLDTargetMachine(llvm::TargetMachine &pTM, 56 const mcld::Target &pTarget, 57 const std::string &pTriple); 58 59 virtual ~MCLDTargetMachine(); 60 61 /// getTarget - adapt llvm::TargetMachine::getTarget 62 const mcld::Target& getTarget() const; 63 64 /// getTM - return adapted the llvm::TargetMachine. 65 const llvm::TargetMachine& getTM() const { return m_TM; } 66 llvm::TargetMachine& getTM() { return m_TM; } 67 68 /// appPassesToEmitFile - The target function which we has to modify as 69 /// upstreaming. 70 bool addPassesToEmitFile(PassManagerBase &, 71 mcld::ToolOutputFile& pOutput, 72 mcld::CodeGenFileType, 73 CodeGenOpt::Level, 74 mcld::Module& pModule, 75 mcld::LinkerConfig& pConfig, 76 bool DisableVerify = true); 77 78 /// getDataLayout 79 const DataLayout *getDataLayout() const { return m_TM.getDataLayout(); } 80 81 /// setAsmVerbosityDefault 82 static void setAsmVerbosityDefault(bool pAsmVerbose) { 83 llvm::TargetMachine::setAsmVerbosityDefault(pAsmVerbose); 84 } 85 86 private: 87 /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for 88 /// both emitting to assembly files or machine code output. 89 bool addCommonCodeGenPasses(PassManagerBase &, 90 mcld::CodeGenFileType, 91 CodeGenOpt::Level, 92 bool DisableVerify, 93 llvm::MCContext *&OutCtx); 94 95 bool addCompilerPasses(PassManagerBase &pPM, 96 llvm::formatted_raw_ostream &pOutput, 97 llvm::MCContext *&OutCtx); 98 99 bool addAssemblerPasses(PassManagerBase &pPM, 100 llvm::raw_ostream &pOutput, 101 llvm::MCContext *&OutCtx); 102 103 bool addLinkerPasses(PassManagerBase &pPM, 104 LinkerConfig& pConfig, 105 Module& pModule, 106 mcld::MemoryArea& pOutput, 107 llvm::MCContext *&OutCtx); 108 109 private: 110 llvm::TargetMachine &m_TM; 111 const mcld::Target *m_pTarget; 112 const std::string& m_Triple; 113 }; 114 115 } // namespace of mcld 116 117 #endif 118 119
