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 #ifndef LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H 10 #define LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H 11 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 18 namespace llvm { 19 namespace objcopy { 20 namespace macho { 21 22 // The hierarchy of readers is responsible for parsing different inputs: 23 // raw binaries and regular MachO object files. 24 class Reader { 25 public: 26 virtual ~Reader(){}; 27 virtual Expected<std::unique_ptr<Object>> create() const = 0; 28 }; 29 30 class 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, Optional<size_t> LCIndex, LinkData &LD) const; 43 void readCodeSignature(Object &O) const; 44 void readDataInCodeData(Object &O) const; 45 void readLinkerOptimizationHint(Object &O) const; 46 void readFunctionStartsData(Object &O) const; 47 void readExportsTrie(Object &O) const; 48 void readChainedFixups(Object &O) const; 49 void readIndirectSymbolTable(Object &O) const; 50 void readSwiftVersion(Object &O) const; 51 52 public: 53 explicit MachOReader(const object::MachOObjectFile &Obj) : MachOObj(Obj) {} 54 55 Expected<std::unique_ptr<Object>> create() const override; 56 }; 57 58 } // end namespace macho 59 } // end namespace objcopy 60 } // end namespace llvm 61 62 #endif // LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H 63