blob: 24d36712a2a69be7b8f384a97dacea4c24539215 [file] [log] [blame]
//===- MachOWriter.h --------------------------------------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "MachOLayoutBuilder.h"
#include "MachOObjcopy.h"
#include "Object.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/Object/MachO.h"
namespace llvm {
class Error;
namespace objcopy {
namespace macho {
class MachOWriter {
Object &O;
bool Is64Bit;
bool IsLittleEndian;
uint64_t PageSize;
std::unique_ptr<WritableMemoryBuffer> Buf;
raw_ostream &Out;
MachOLayoutBuilder LayoutBuilder;
size_t headerSize() const;
size_t loadCommandsSize() const;
size_t symTableSize() const;
size_t strTableSize() const;
void writeHeader();
void writeLoadCommands();
template <typename StructType>
void writeSectionInLoadCommand(const Section &Sec, uint8_t *&Out);
void writeSections();
void writeSymbolTable();
void writeStringTable();
void writeRebaseInfo();
void writeBindInfo();
void writeWeakBindInfo();
void writeLazyBindInfo();
void writeExportInfo();
void writeIndirectSymbolTable();
void writeLinkData(Optional<size_t> LCIndex, const LinkData &LD);
void writeCodeSignatureData();
void writeDataInCodeData();
void writeFunctionStartsData();
void writeTail();
MachOWriter(Object &O, bool Is64Bit, bool IsLittleEndian, uint64_t PageSize,
raw_ostream &Out)
: O(O), Is64Bit(Is64Bit), IsLittleEndian(IsLittleEndian),
PageSize(PageSize), Out(Out), LayoutBuilder(O, Is64Bit, PageSize) {}
size_t totalSize() const;
Error finalize();
Error write();
} // end namespace macho
} // end namespace objcopy
} // end namespace llvm