tools/llvm-objcopy/MachO/MachOReader.h

   1 //===- MachOReader.h --------------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "MachOObjcopy.h"
  10 #include "Object.h"
  11 #include "llvm/BinaryFormat/MachO.h"
  12 #include "llvm/Object/MachO.h"
  13 #include <memory>
  14
  15 namespace llvm {
  16 namespace objcopy {
  17 namespace macho {
  18
  19 // The hierarchy of readers is responsible for parsing different inputs:
  20 // raw binaries and regular MachO object files.
  21 class Reader {
  22 public:
  23   virtual ~Reader(){};
  24   virtual std::unique_ptr<Object> create() const = 0;
  25 };
  26
  27 class MachOReader : public Reader {
  28   const object::MachOObjectFile &MachOObj;
  29
  30   void readHeader(Object &O) const;
  31   void readLoadCommands(Object &O) const;
  32   void readSymbolTable(Object &O) const;
  33   void setSymbolInRelocationInfo(Object &O) const;
  34   void readRebaseInfo(Object &O) const;
  35   void readBindInfo(Object &O) const;
  36   void readWeakBindInfo(Object &O) const;
  37   void readLazyBindInfo(Object &O) const;
  38   void readExportInfo(Object &O) const;
  39   void readDataInCodeData(Object &O) const;
  40   void readFunctionStartsData(Object &O) const;
  41   void readIndirectSymbolTable(Object &O) const;
  42
  43 public:
  44   explicit MachOReader(const object::MachOObjectFile &Obj) : MachOObj(Obj) {}
  45
  46   std::unique_ptr<Object> create() const override;
  47 };
  48
  49 } // end namespace macho
  50 } // end namespace objcopy
  51 } // end namespace llvm