llvm/llvm/lib/ObjCopy/MachO/MachOWriter.cpp

//===- MachOWriter.cpp ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "MachOWriter.h"
#include "MachOLayoutBuilder.h"
#include "MachOObject.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/BinaryFormat/MachO.h"
#include "llvm/Object/MachO.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/SHA256.h"
#include <memory>

#if defined(__APPLE__)
#include <sys/mman.h>
#endif

usingnamespacellvm;
usingnamespacellvm::objcopy::macho;
usingnamespacellvm::support::endian;

size_t MachOWriter::headerSize() const { … }

size_t MachOWriter::loadCommandsSize() const { … }

size_t MachOWriter::symTableSize() const { … }

size_t MachOWriter::totalSize() const { … }

void MachOWriter::writeHeader() { … }

void MachOWriter::writeLoadCommands() { … }

template <typename StructType>
void MachOWriter::writeSectionInLoadCommand(const Section &Sec, uint8_t *&Out) { … }

void MachOWriter::writeSections() { … }

template <typename NListType>
void writeNListEntry(const SymbolEntry &SE, bool IsLittleEndian, char *&Out,
                     uint32_t Nstrx) { … }

void MachOWriter::writeStringTable() { … }

void MachOWriter::writeSymbolTable() { … }

void MachOWriter::writeRebaseInfo() { … }

void MachOWriter::writeBindInfo() { … }

void MachOWriter::writeWeakBindInfo() { … }

void MachOWriter::writeLazyBindInfo() { … }

void MachOWriter::writeExportInfo() { … }

void MachOWriter::writeIndirectSymbolTable() { … }

void MachOWriter::writeLinkData(std::optional<size_t> LCIndex,
                                const LinkData &LD) { … }

static uint64_t
getSegmentFileOffset(const LoadCommand &TextSegmentLoadCommand) { … }

static uint64_t getSegmentFileSize(const LoadCommand &TextSegmentLoadCommand) { … }

void MachOWriter::writeCodeSignatureData() { … }

void MachOWriter::writeDataInCodeData() { … }

void MachOWriter::writeLinkerOptimizationHint() { … }

void MachOWriter::writeFunctionStartsData() { … }

void MachOWriter::writeDylibCodeSignDRsData() { … }

void MachOWriter::writeChainedFixupsData() { … }

void MachOWriter::writeExportsTrieData() { … }

void MachOWriter::writeTail() { … }

Error MachOWriter::finalize() { … }

Error MachOWriter::write() { … }