1 //===- Target.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_SUPPORT_TARGET_H 10 #define MCLD_SUPPORT_TARGET_H 11 #include <string> 12 #include <list> 13 14 namespace llvm { 15 class Target; 16 class Triple; 17 class TargetMachine; 18 } // namespace of llvm 19 20 namespace mcld { 21 22 class MCLDTargetMachine; 23 class TargetRegistry; 24 class MCLinker; 25 class LinkerScript; 26 class LinkerConfig; 27 class Module; 28 class FileHandle; 29 class DiagnosticLineInfo; 30 class TargetLDBackend; 31 32 /** \class Target 33 * \brief Target collects target specific information 34 */ 35 class Target 36 { 37 friend class mcld::MCLDTargetMachine; 38 friend class mcld::TargetRegistry; 39 40 public: 41 typedef unsigned int (*TripleMatchQualityFnTy)(const llvm::Triple& pTriple); 42 43 typedef MCLDTargetMachine *(*TargetMachineCtorTy)(const llvm::Target &, 44 const mcld::Target &, 45 llvm::TargetMachine &, 46 const std::string&); 47 48 typedef MCLinker *(*MCLinkerCtorTy)(const std::string& pTriple, 49 LinkerConfig&, 50 Module&, 51 FileHandle& pFileHandle); 52 53 typedef bool (*EmulationFnTy)(LinkerScript&, LinkerConfig&); 54 55 typedef TargetLDBackend *(*TargetLDBackendCtorTy)(const LinkerConfig&); 56 57 typedef DiagnosticLineInfo *(*DiagnosticLineInfoCtorTy)(const mcld::Target&, 58 const std::string&); 59 60 public: 61 Target(); 62 63 /// getName - get the target name 64 const char* name() const { return Name; } 65 66 unsigned int getTripleQuality(const llvm::Triple& pTriple) const; 67 68 /// createTargetMachine - create target-specific TargetMachine 69 MCLDTargetMachine* createTargetMachine(const std::string& pTriple, 70 const llvm::Target& pTarget, 71 llvm::TargetMachine& pTM) const; 72 73 /// createMCLinker - create target-specific MCLinker 74 MCLinker *createMCLinker(const std::string &pTriple, 75 LinkerConfig& pConfig, 76 Module& pModule, 77 FileHandle& pFileHandle) const; 78 79 /// emulate - given MCLinker default values for the other aspects of the 80 /// target system. 81 bool emulate(LinkerScript& pScript, LinkerConfig& pConfig) const; 82 83 /// createLDBackend - create target-specific LDBackend 84 TargetLDBackend* createLDBackend(const LinkerConfig& pConfig) const; 85 86 /// createDiagnosticLineInfo - create target-specific DiagnosticLineInfo 87 DiagnosticLineInfo* createDiagnosticLineInfo(const mcld::Target& pTarget, 88 const std::string& pTriple) const; 89 90 private: 91 /// Name - The target name 92 const char* Name; 93 94 TripleMatchQualityFnTy TripleMatchQualityFn; 95 TargetMachineCtorTy TargetMachineCtorFn; 96 MCLinkerCtorTy MCLinkerCtorFn; 97 EmulationFnTy EmulationFn; 98 TargetLDBackendCtorTy TargetLDBackendCtorFn; 99 DiagnosticLineInfoCtorTy DiagnosticLineInfoCtorFn; 100 }; 101 102 } //end namespace mcld 103 104 #endif 105 106
