Class: MachO::LoadCommands::VersionMinCommand

Inherits:
LoadCommand show all
Defined in:
lib/macho/load_commands.rb

Overview

A load command containing the minimum OS version on which the binary was built to run. Corresponds to LC_VERSION_MIN_MACOSX and LC_VERSION_MIN_IPHONEOS.

Instance Method Summary collapse

Methods inherited from LoadCommand

#cmd, #cmdsize, create, new_from_bin, #offset, #serializable?, #serialize, #to_s, #type, #view

Methods inherited from MachOStructure

bytesize, format, #initialize, new_from_bin

Constructor Details

This class inherits a constructor from MachO::MachOStructure

Instance Method Details

#sdk ⇒ Integer

Returns the SDK version X.Y.Z packed as x16.y8.z8.

Returns:

  • (Integer) —

    the SDK version X.Y.Z packed as x16.y8.z8



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# File 'lib/macho/load_commands.rb', line 1169

field :sdk, :uint32

#sdk_string ⇒ String

A string representation of the binary's SDK version.

Returns:

  • (String) —

    a string representing the SDK version.



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# File 'lib/macho/load_commands.rb', line 1184

def sdk_string
  binary = "%032<sdk>b" % { :sdk => sdk }
  segs = [
    binary[0..15], binary[16..23], binary[24..31]
  ].map { |s| s.to_i(2) }

  segs.join(".")
end

#to_h ⇒ Hash

Returns a hash representation of this MachO::LoadCommands::VersionMinCommand.

Returns:



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# File 'lib/macho/load_commands.rb', line 1194

def to_h
  {
    "version" => version,
    "version_string" => version_string,
    "sdk" => sdk,
    "sdk_string" => sdk_string,
  }.merge super
end

#version ⇒ Integer

Returns the version X.Y.Z packed as x16.y8.z8.

Returns:

  • (Integer) —

    the version X.Y.Z packed as x16.y8.z8



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# File 'lib/macho/load_commands.rb', line 1166

field :version, :uint32

#version_string ⇒ String

A string representation of the binary's minimum OS version.

Returns:

  • (String) —

    a string representing the minimum OS version.



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# File 'lib/macho/load_commands.rb', line 1173

def version_string
  binary = "%032<version>b" % { :version => version }
  segs = [
    binary[0..15], binary[16..23], binary[24..31]
  ].map { |s| s.to_i(2) }

  segs.join(".")
end