MachOReader.h revision 360784 
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
15namespace llvm {
16namespace objcopy {
17namespace macho {
18
19// The hierarchy of readers is responsible for parsing different inputs:
20// raw binaries and regular MachO object files.
21class Reader {
22public:
23  virtual ~Reader(){};
24  virtual std::unique_ptr<Object> create() const = 0;
25};
26
27class 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
43public:
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
52