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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H10#define LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H11 12#include "MachOObject.h"13#include "llvm/BinaryFormat/MachO.h"14#include "llvm/ObjCopy/MachO/MachOObjcopy.h"15#include "llvm/Object/MachO.h"16#include <memory>17 18namespace llvm {19namespace objcopy {20namespace macho {21 22// The hierarchy of readers is responsible for parsing different inputs:23// raw binaries and regular MachO object files.24class Reader {25public:26 virtual ~Reader() = default;27 virtual Expected<std::unique_ptr<Object>> create() const = 0;28};29 30class MachOReader : public Reader {31 const object::MachOObjectFile &MachOObj;32 33 void readHeader(Object &O) const;34 Error readLoadCommands(Object &O) const;35 void readSymbolTable(Object &O) const;36 void setSymbolInRelocationInfo(Object &O) const;37 void readRebaseInfo(Object &O) const;38 void readBindInfo(Object &O) const;39 void readWeakBindInfo(Object &O) const;40 void readLazyBindInfo(Object &O) const;41 void readExportInfo(Object &O) const;42 void readLinkData(Object &O, std::optional<size_t> LCIndex,43 LinkData &LD) const;44 void readCodeSignature(Object &O) const;45 void readDataInCodeData(Object &O) const;46 void readLinkerOptimizationHint(Object &O) const;47 void readFunctionStartsData(Object &O) const;48 void readDylibCodeSignDRs(Object &O) const;49 void readExportsTrie(Object &O) const;50 void readChainedFixups(Object &O) const;51 void readIndirectSymbolTable(Object &O) const;52 void readSwiftVersion(Object &O) const;53 54public:55 explicit MachOReader(const object::MachOObjectFile &Obj) : MachOObj(Obj) {}56 57 Expected<std::unique_ptr<Object>> create() const override;58};59 60} // end namespace macho61} // end namespace objcopy62} // end namespace llvm63 64#endif // LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H65