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      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_SUPPORT_LINKER_CONFIG_H
     11 #define ALONE_SUPPORT_LINKER_CONFIG_H
     12 
     13 #include <string>
     14 
     15 #include <mcld/LinkerConfig.h>
     16 #include <mcld/LinkerScript.h>
     17 #include <mcld/Support/TargetRegistry.h>
     18 #include <mcld/LD/DiagnosticLineInfo.h>
     19 #include <mcld/LD/DiagnosticPrinter.h>
     20 
     21 namespace alone {
     22 
     23 class LinkerConfig {
     24 private:
     25   //===--------------------------------------------------------------------===//
     26   // Available Configurations
     27   //===--------------------------------------------------------------------===//
     28   const std::string mTriple;
     29   std::string mSOName;
     30 
     31 private:
     32   //===--------------------------------------------------------------------===//
     33   // These are generated by LinkerConfig during initialize().
     34   //===--------------------------------------------------------------------===//
     35   const mcld::Target *mTarget;
     36   bool initializeTarget();
     37 
     38   mcld::LinkerConfig *mLDConfig;
     39   bool initializeLDInfo();
     40 
     41   mcld::LinkerScript *mLDScript;
     42   bool initializeLDScript();
     43 
     44   mcld::DiagnosticLineInfo *mDiagLineInfo;
     45   mcld::DiagnosticPrinter *mDiagPrinter;
     46   bool initializeDiagnostic();
     47 
     48 public:
     49   enum ZOptionEnum {
     50     kCombReloc     = 1 << 0,  ///< [on] -z combreloc, [off] -z nocombreloc
     51     kDefs          = 1 << 1,  ///< -z defs
     52     kExecStack     = 1 << 2,  ///< [on] -z execstack, [off] -z noexecstack
     53     kInitFirst     = 1 << 3,  ///< -z initfirst
     54     kInterPose     = 1 << 4,  ///< -z interpose
     55     kLoadFltr      = 1 << 5,  ///< -z loadfltr
     56     kMulDefs       = 1 << 6,  ///< -z muldefs
     57     kNoCopyReloc   = 1 << 7,  ///< -z nocopyreloc
     58     kNoDefaultLib  = 1 << 8,  ///< -z nodefaultlib
     59     kNoDelete      = 1 << 9,  ///< -z nodelete
     60     kNoDLOpen      = 1 << 10, ///< -z nodlopen
     61     kNoDump        = 1 << 11, ///< -z nodump
     62     kRelro         = 1 << 12, ///< [on] -z relro, [off] -z norelro
     63     kLazy          = 1 << 13, ///< [on] -z lazy, [off] -z now
     64     kOrigin        = 1 << 14, ///< -z origin
     65     kZOptionMask   = 0xFFFF
     66   };
     67 
     68 public:
     69   //===--------------------------------------------------------------------===//
     70   // Getters
     71   //===--------------------------------------------------------------------===//
     72   inline const std::string &getTriple() const
     73   { return mTriple; }
     74 
     75   inline const mcld::Target *getTarget() const
     76   { return mTarget; }
     77 
     78   inline mcld::LinkerConfig* getLDConfig()
     79   { return mLDConfig; }
     80 
     81   inline const mcld::LinkerConfig* getLDConfig() const
     82   { return mLDConfig; }
     83 
     84   inline mcld::LinkerScript* getLDScript()
     85   { return mLDScript; }
     86 
     87   inline const mcld::LinkerScript* getLDScript() const
     88   { return mLDScript; }
     89 
     90   bool isShared() const;
     91 
     92   inline std::string getSOName() const
     93   { return mSOName; }
     94 
     95   void setShared(bool pEnable = true);
     96 
     97   void setBsymbolic(bool pEnable = true);
     98 
     99   void setDefineCommon(bool pEnable = true);
    100 
    101   void setSOName(const std::string &pSOName);
    102 
    103   void setDyld(const std::string &pDyld);
    104 
    105   void setSysRoot(const std::string &pSysRoot);
    106 
    107   void setZOption(unsigned int pOptions);
    108 
    109   void addWrap(const std::string &pWrapSymbol);
    110 
    111   void addPortable(const std::string &pPortableSymbol);
    112 
    113   void addSearchDir(const std::string &pDir);
    114 
    115 public:
    116   LinkerConfig(const std::string& pTriple);
    117 
    118   virtual ~LinkerConfig();
    119 };
    120 
    121 } // end namespace alone
    122 
    123 #endif // ALONE_SUPPORT_LINKER_CONFIG_H
    124