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