protected override void PackageData(WritingContext SW)
{
// Write the segment load command
SW.WriteFixedASCII(SegmentName, 16);
SW.WriteUInt(VirtualAddress, AddressSize);
SW.WriteUInt(VirtualSize, AddressSize);
// Offset to first segment
//@TODO: These file offsets and file lengths aren't correct (compared to the original MachO's)
OffsetFieldU32or64 FileOffset = SW.WriteDeferredOffsetFrom(0, AddressSize);
LengthFieldU32or64 FileLength = SW.WriteDeferredLength(0, AddressSize);
SW.Write(MaxProt);
SW.Write(InitProt);
SW.Write(Sections.Count);
SW.Write(Flags);
// Enqueue a job to commit the file offset to the first section
SW.CurrentPhase.PendingWrites.Enqueue(delegate(WritingContext Context)
{
FileLength.Rebase(Context.Position);
FileOffset.Commit(Context);
});
// Write the sections belonging to the segment
foreach (MachSection Section in Sections)
{
Section.Write(SW);
}
// Enqueue a job to commit the length of data in all the sections
SW.CurrentPhase.PendingWrites.Enqueue(delegate(WritingContext Context)
{
FileLength.Commit(Context);
});
}
public void Write(WritingContext SW)
{
SW.Write(MyMagic);
LengthFieldU32or64 Length = SW.WriteDeferredLength(4, Bits.Num._32);
PackageData(SW);
SW.CommitDeferredField(Length);
}
public void Write(WritingContext SW)
{
long StartingPosition = SW.Position;
// Write the command and length
SW.Write(Command);
LengthFieldU32or64 Length = SW.WriteDeferredLength(4, Bits.Num._32);
// Write the data
PackageData(SW);
// Write any pad bytes and commit the length
SW.WriteZeros((SW.Position - StartingPosition) % 4);
SW.CommitDeferredField(Length);
}
public void Write(WritingContext Context)
{
// Write the header
Context.Write(Magic);
Context.Write(CpuType);
Context.Write(CpuSubType);
Context.Write(FileType);
Context.Write((UInt32)Commands.Count);
LengthFieldU32or64 SizeOfCommands = Context.WriteDeferredLength(-2 * sizeof(UInt32), Bits.Num._32); // Size of commands, after this field and the flags field
Context.Write(Flags);
if (Magic == MH_MAGIC_64)
{
Context.Write(Reserved64);
}
// Write each command (which may enqueue deferred work)
foreach (MachLoadCommand Command in Commands)
{
Command.Write(Context);
}
Context.CommitDeferredField(SizeOfCommands);
//@TODO: Figure out where this offsetting comes from
long MainStartPosition = MachHeaderPad;
Context.WriteZeros(MainStartPosition - Context.Position);
// Drain deferred work until the file is completely done
Context.CompleteWritingAndClose();
}
