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 "llvm/ADT/IndexedMap.h"
  18 #include "llvm/Object/MachOObject.h"
  19 #include "llvm/Support/Format.h"
  20 #include "RuntimeDyldImpl.h"
  21
  22 using namespace llvm;
  23 using namespace llvm::object;
  24
  25
  26 namespace llvm {
  27 class RuntimeDyldMachO : public RuntimeDyldImpl {
  28 protected:
  29   bool resolveI386Relocation(uint8_t *LocalAddress,
  30                              uint64_t FinalAddress,
  31                              uint64_t Value,
  32                              bool isPCRel,
  33                              unsigned Type,
  34                              unsigned Size,
  35                              int64_t Addend);
  36   bool resolveX86_64Relocation(uint8_t *LocalAddress,
  37                                uint64_t FinalAddress,
  38                                uint64_t Value,
  39                                bool isPCRel,
  40                                unsigned Type,
  41                                unsigned Size,
  42                                int64_t Addend);
  43   bool resolveARMRelocation(uint8_t *LocalAddress,
  44                             uint64_t FinalAddress,
  45                             uint64_t Value,
  46                             bool isPCRel,
  47                             unsigned Type,
  48                             unsigned Size,
  49                             int64_t Addend);
  50
  51   virtual void processRelocationRef(const ObjRelocationInfo &Rel,
  52                                     ObjectImage &Obj,
  53                                     ObjSectionToIDMap &ObjSectionToID,
  54                                     const SymbolTableMap &Symbols,
  55                                     StubMap &Stubs);
  56
  57 public:
  58   virtual void resolveRelocation(const SectionEntry &Section,
  59                                  uint64_t Offset,
  60                                  uint64_t Value,
  61                                  uint32_t Type,
  62                                  int64_t Addend);
  63
  64   RuntimeDyldMachO(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) {}
  65
  66   bool isCompatibleFormat(const ObjectBuffer *Buffer) const;
  67 };
  68
  69 } // end namespace llvm
  70
  71 #endif