| 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, 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 | |
| 54 | public: |
| 55 | explicit MachOReader(const object::MachOObjectFile &Obj) : MachOObj(Obj) {} |
| 56 | |
| 57 | Expected<std::unique_ptr<Object>> create() const override; |
| 58 | }; |
| 59 | |
| 60 | } // end namespace macho |
| 61 | } // end namespace objcopy |
| 62 | } // end namespace llvm |
| 63 | |
| 64 | #endif // LLVM_LIB_OBJCOPY_MACHO_MACHOREADER_H |
| 65 |