path: root/lib/Object/MachOObjectFile.cpp

//===- MachOObjectFile.cpp - Mach-O object file binding ---------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the MachOObjectFile class, which binds the MachOObject
// class to the generic ObjectFile wrapper.
//
//===----------------------------------------------------------------------===//

#include "llvm/Object/MachO.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Object/MachOFormat.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/MemoryBuffer.h"
#include <cctype>
#include <cstring>
#include <limits>

using namespace llvm;
using namespace object;

namespace llvm {
namespace object {

MachOObjectFile::MachOObjectFile(MemoryBuffer *Object, MachOObject *MOO,
                                 error_code &ec)
    : ObjectFile(Binary::ID_MachO, Object),
      MachOObj(MOO) {
  DataRefImpl DRI;
  moveToNextSection(DRI);
  uint32_t LoadCommandCount = MachOObj->getHeader().NumLoadCommands;
  while (DRI.d.a < LoadCommandCount) {
    Sections.push_back(DRI);
    DRI.d.b++;
    moveToNextSection(DRI);
  }
}

bool MachOObjectFile::is64Bit() const {
  return MachOObj->is64Bit();
}

const LoadCommandInfo &
MachOObjectFile::getLoadCommandInfo(unsigned Index) const {
  return MachOObj->getLoadCommandInfo(Index);
}

void MachOObjectFile::ReadULEB128s(uint64_t Index,
                                   SmallVectorImpl<uint64_t> &Out) const {
  return MachOObj->ReadULEB128s(Index, Out);
}

const macho::Header &MachOObjectFile::getHeader() const {
  return MachOObj->getHeader();
}

ObjectFile *ObjectFile::createMachOObjectFile(MemoryBuffer *Buffer) {
  error_code ec;
  std::string Err;
  MachOObject *MachOObj = MachOObject::LoadFromBuffer(Buffer, &Err);
  if (!MachOObj)
    return NULL;
  // MachOObject takes ownership of the Buffer we passed to it, and
  // MachOObjectFile does, too, so we need to make sure they don't get the
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