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_MACHINE_H 10 #define MCLD_TARGET_MACHINE_H 11 #ifdef ENABLE_UNITTEST 12 #include <gtest.h> 13 #endif 14 #include <llvm/Target/TargetMachine.h> 15 #include <string> 16 #include "mcld/MC/MCLDFile.h" 17 18 namespace llvm 19 { 20 class Target; 21 class TargetData; 22 class TargetMachine; 23 class PassManagerBase; 24 class formatted_raw_ostream; 25 26 } // namespace of llvm 27 28 namespace mcld 29 { 30 31 class Target; 32 class MCLDInfo; 33 class SectLinkerOption; 34 using namespace llvm; 35 36 enum CodeGenFileType { 37 CGFT_ASMFile, 38 CGFT_OBJFile, 39 CGFT_ARCFile, 40 CGFT_DSOFile, 41 CGFT_EXEFile, 42 CGFT_NULLFile 43 }; 44 45 46 /** \class mcld::LLVMTargetMachine 47 * \brief mcld::LLVMTargetMachine is a object adapter of 48 * llvm::LLVMTargetMachine. 49 * 50 * mcld::LLVMTargetMachine is also in charge of MCLDInfo. 51 * 52 * @see MCLDInfo 53 */ 54 class LLVMTargetMachine 55 { 56 public: 57 /// Adapter of llvm::TargetMachine 58 /// 59 LLVMTargetMachine(llvm::TargetMachine &pTM, 60 const mcld::Target &pTarget, 61 const std::string &pTriple); 62 virtual ~LLVMTargetMachine(); 63 64 /// getTarget - adapt llvm::TargetMachine::getTarget 65 const mcld::Target& getTarget() const; 66 67 /// getTM - return adapted the llvm::TargetMachine. 68 const llvm::TargetMachine& getTM() const { return m_TM; } 69 llvm::TargetMachine& getTM() { return m_TM; } 70 71 /// getLDInfo - return the mcld::MCLDInfo 72 virtual mcld::MCLDInfo& getLDInfo() = 0; 73 virtual const mcld::MCLDInfo& getLDInfo() const = 0; 74 75 /// appPassesToEmitFile - The target function which we has to modify as 76 /// upstreaming. 77 bool addPassesToEmitFile(PassManagerBase &, 78 formatted_raw_ostream &Out, 79 const std::string &pOutputFilename, 80 mcld::CodeGenFileType, 81 CodeGenOpt::Level, 82 SectLinkerOption *pLinkerOpt = NULL, 83 bool DisableVerify = true); 84 85 /// getTargetData 86 const TargetData *getTargetData() const { return m_TM.getTargetData(); } 87 88 /// setAsmVerbosityDefault 89 static void setAsmVerbosityDefault(bool pAsmVerbose) { 90 llvm::TargetMachine::setAsmVerbosityDefault(pAsmVerbose); 91 } 92 93 private: 94 /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for 95 /// both emitting to assembly files or machine code output. 96 bool addCommonCodeGenPasses(PassManagerBase &, 97 mcld::CodeGenFileType, 98 CodeGenOpt::Level, 99 bool DisableVerify, 100 llvm::MCContext *&OutCtx); 101 102 bool addCompilerPasses(PassManagerBase &, 103 formatted_raw_ostream &Out, 104 const std::string& pOutputFilename, 105 llvm::MCContext *&OutCtx); 106 107 bool addAssemblerPasses(PassManagerBase &, 108 formatted_raw_ostream &Out, 109 const std::string& pOutputFilename, 110 llvm::MCContext *&OutCtx); 111 112 bool addLinkerPasses(PassManagerBase &, 113 SectLinkerOption *pLinkerOpt, 114 const std::string& pOutputFilename, 115 MCLDFile::Type pOutputLinkType, 116 llvm::MCContext *&OutCtx); 117 118 private: 119 llvm::TargetMachine &m_TM; 120 const mcld::Target *m_pTarget; 121 const std::string& m_Triple; 122 }; 123 124 } // namespace of mcld 125 126 #endif 127 128
