lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.h

   1 //===-- RuntimeDyldMachO.h - Run-time dynamic linker for MC-JIT ---*- C++ -*-=//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // MachO support for MC-JIT runtime dynamic linker.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_RUNTIME_DYLD_MACHO_H
  15 #define LLVM_RUNTIME_DYLD_MACHO_H
  16
  17 #include "RuntimeDyldImpl.h"
  18 #include "llvm/ADT/IndexedMap.h"
  19 #include "llvm/Object/MachO.h"
  20 #include "llvm/Support/Format.h"
  21
  22 using namespace llvm;
  23 using namespace llvm::object;
  24
  25
  26 namespace llvm {
  27 class RuntimeDyldMachO : public RuntimeDyldImpl {
  28   bool resolveI386Relocation(uint8_t *LocalAddress,
  29                              uint64_t FinalAddress,
  30                              uint64_t Value,
  31                              bool isPCRel,
  32                              unsigned Type,
  33                              unsigned Size,
  34                              int64_t Addend);
  35   bool resolveX86_64Relocation(uint8_t *LocalAddress,
  36                                uint64_t FinalAddress,
  37                                uint64_t Value,
  38                                bool isPCRel,
  39                                unsigned Type,
  40                                unsigned Size,
  41                                int64_t Addend);
  42   bool resolveARMRelocation(uint8_t *LocalAddress,
  43                             uint64_t FinalAddress,
  44                             uint64_t Value,
  45                             bool isPCRel,
  46                             unsigned Type,
  47                             unsigned Size,
  48                             int64_t Addend);
  49
  50   void resolveRelocation(const SectionEntry &Section,
  51                          uint64_t Offset,
  52                          uint64_t Value,
  53                          uint32_t Type,
  54                          int64_t Addend,
  55                          bool isPCRel,
  56                          unsigned Size);
  57 public:
  58   RuntimeDyldMachO(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) {}
  59
  60   virtual void resolveRelocation(const RelocationEntry &RE, uint64_t Value);
  61   virtual void processRelocationRef(unsigned SectionID,
  62                                     RelocationRef RelI,
  63                                     ObjectImage &Obj,
  64                                     ObjSectionToIDMap &ObjSectionToID,
  65                                     const SymbolTableMap &Symbols,
  66                                     StubMap &Stubs);
  67   virtual bool isCompatibleFormat(const ObjectBuffer *Buffer) const;
  68 };
  69
  70 } // end namespace llvm
  71
  72 #endif