1 //===- Linker.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 10 #ifndef ALONE_LINKER_H 11 #define ALONE_LINKER_H 12 13 #include <string> 14 15 namespace mcld { 16 17 class Module; 18 class IRBuilder; 19 class LinkerConfig; 20 class Linker; 21 class Input; 22 class MemoryArea; 23 24 namespace sys { namespace fs { 25 26 class Path; 27 28 } } // end namespace sys::fs 29 30 } // end namespace mcld 31 32 namespace alone { 33 34 class LinkerConfig; 35 36 class Linker { 37 public: 38 enum ErrorCode { 39 kSuccess, 40 kDoubleConfig, 41 kDelegateLDInfo, 42 kFindNameSpec, 43 kOpenObjectFile, 44 kOpenMemory, 45 kNotConfig, 46 kNotSetUpOutput, 47 kOpenOutput, 48 kReadSections, 49 kReadSymbols, 50 kAddAdditionalSymbols, 51 kMaxErrorCode 52 }; 53 54 static const char *GetErrorString(enum ErrorCode pErrCode); 55 56 private: 57 const mcld::LinkerConfig *mLDConfig; 58 mcld::Module *mModule; 59 mcld::Linker *mLinker; 60 mcld::IRBuilder *mBuilder; 61 std::string mSOName; 62 std::string mOutputPath; 63 int mOutputHandler; 64 65 public: 66 Linker(); 67 68 Linker(const LinkerConfig& pConfig); 69 70 ~Linker(); 71 72 enum ErrorCode config(const LinkerConfig& pConfig); 73 74 enum ErrorCode addNameSpec(const std::string &pNameSpec); 75 76 enum ErrorCode addObject(const std::string &pObjectPath); 77 78 enum ErrorCode addObject(void* pMemory, size_t pSize); 79 80 enum ErrorCode addCode(void* pMemory, size_t pSize); 81 82 enum ErrorCode setOutput(const std::string &pPath); 83 84 enum ErrorCode setOutput(int pFileHandler); 85 86 enum ErrorCode link(); 87 88 private: 89 enum ErrorCode extractFiles(const LinkerConfig& pConfig); 90 }; 91 92 } // end namespace alone 93 94 #endif // ALONE_LINKER_H 95
