Class: MachO::LoadCommands::DylibCommand

Inherits:

LoadCommand

• Object
• MachOStructure
• LoadCommand
• MachO::LoadCommands::DylibCommand

Defined in:

lib/macho/load_commands.rb

Overview

A load command representing some aspect of shared libraries, depending on filetype. Corresponds to LC_ID_DYLIB, LC_LOAD_DYLIB, LC_LOAD_WEAK_DYLIB, and LC_REEXPORT_DYLIB.

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=6".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

24

Instance Attribute Summary

• #compatibility_version ⇒ Integer readonly

  The library's compatibility version number.

• #current_version ⇒ Integer readonly

  The library's current version number.

• #name ⇒ LCStr readonly

  The library's path name as an LCStr.

• #timestamp ⇒ Integer readonly

  The library's build time stamp.

Attributes inherited from LoadCommand

#cmd, #cmdsize, #view

Instance Method Summary

• #initialize(view, cmd, cmdsize, name, timestamp, current_version, compatibility_version) ⇒ DylibCommand constructor private

  A new instance of DylibCommand.

• #serialize(context) ⇒ String private

  The serialized fields of the load command.

• #to_h ⇒ Hash

  A hash representation of this DylibCommand.

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, timestamp, current_version, compatibility_version) ⇒ DylibCommand

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 DylibCommand.

# File 'lib/macho/load_commands.rb', line 560

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

Instance Attribute Details

#compatibility_version ⇒ Integer (readonly)

# File 'lib/macho/load_commands.rb', line 549

def compatibility_version
  @compatibility_version
end

#current_version ⇒ Integer (readonly)

# File 'lib/macho/load_commands.rb', line 546

def current_version
  @current_version
end

#name ⇒ LCStr (readonly)

# File 'lib/macho/load_commands.rb', line 540

def name
  @name
end

#timestamp ⇒ Integer (readonly)

# File 'lib/macho/load_commands.rb', line 543

def timestamp
  @timestamp
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.

# File 'lib/macho/load_commands.rb', line 573

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], timestamp, current_version,
   compatibility_version].pack(format) + string_payload
end

#to_h ⇒ Hash

# File 'lib/macho/load_commands.rb', line 584

def to_h
  {
    "name" => name.to_h,
    "timestamp" => timestamp,
    "current_version" => current_version,
    "compatibility_version" => compatibility_version,
  }.merge super
end