Class: MachO::LoadCommands::DylinkerCommand

Inherits:

LoadCommand

• Object
• MachOStructure
• LoadCommand
• MachO::LoadCommands::DylinkerCommand

Defined in:

lib/macho/load_commands.rb

Overview

A load command representing some aspect of the dynamic linker, depending on filetype. Corresponds to LC_ID_DYLINKER, LC_LOAD_DYLINKER, and LC_DYLD_ENVIRONMENT.

Constant Summary

FORMAT =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

See Also:

• MachOStructure::FORMAT

"L=3".freeze

SIZEOF =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future.

See Also:

• MachOStructure::SIZEOF

12

Instance Attribute Summary

• #name ⇒ LCStr readonly

  The dynamic linker's path name as an LCStr.

Attributes inherited from LoadCommand

#cmd, #cmdsize, #view

Instance Method Summary

• #initialize(view, cmd, cmdsize, name) ⇒ DylinkerCommand constructor private

  A new instance of DylinkerCommand.

• #serialize(context) ⇒ String private

  The serialized fields of the load command.

Methods inherited from LoadCommand

create, new_from_bin, #offset, #serializable?, #to_s, #type

Methods inherited from MachOStructure

bytesize, new_from_bin

Constructor Details

#initialize(view, cmd, cmdsize, name) ⇒ DylinkerCommand

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of DylinkerCommand.

# File 'lib/macho/load_commands.rb', line 532

def initialize(view, cmd, cmdsize, name)
  super(view, cmd, cmdsize)
  @name = LCStr.new(self, name)
end

Instance Attribute Details

#name ⇒ LCStr (readonly)

Returns the dynamic linker's path name as an LCStr.

Returns:

• (LCStr) —

  the dynamic linker's path name as an LCStr

# File 'lib/macho/load_commands.rb', line 521

def name
  @name
end

Instance Method Details

#serialize(context) ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the serialized fields of the load command.

Parameters:

• context (SerializationContext) —

  the context

Returns:

• (String) —

  the serialized fields of the load command

# File 'lib/macho/load_commands.rb', line 541

def serialize(context)
  format = Utils.specialize_format(FORMAT, context.endianness)
  string_payload, string_offsets = Utils.pack_strings(SIZEOF,
                                                      context.alignment,
                                                      :name => name.to_s)
  cmdsize = SIZEOF + string_payload.bytesize
  [cmd, cmdsize, string_offsets[:name]].pack(format) + string_payload
end