Fields
- header: *Mach_Header
- load_commands: [] *Load_Command
- sections: [..] *Section_64
- symbols: [..] Mach_Symbol
- debug_info_section: *Section_64
- debug_abbrev_section: *Section_64
- debug_str_section: *Section_64
- debug_line_section: *Section_64
- content: string