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 readLinkData(Object &O, Optional<size_t> LCIndex, LinkData &LD) const; 40 void readCodeSignature(Object &O) const; 41 void readDataInCodeData(Object &O) const; 42 void readFunctionStartsData(Object &O) const; 43 void readIndirectSymbolTable(Object &O) const; 44 void readSwiftVersion(Object &O) const; 45 46public: 47 explicit MachOReader(const object::MachOObjectFile &Obj) : MachOObj(Obj) {} 48 49 std::unique_ptr<Object> create() const override; 50}; 51 52} // end namespace macho 53} // end namespace objcopy 54} // end namespace llvm 55