Class: MachO::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 Attribute Summary collapse

Attributes inherited from LoadCommand

#cmd, #cmdsize, #offset

Instance Method Summary collapse

Methods inherited from LoadCommand

new_from_bin, #to_s

Methods inherited from MachOStructure

bytesize, new_from_bin

Constructor Details

#initialize(offset, cmd, cmdsize, version, sdk) ⇒ VersionMinCommand

Returns a new instance of VersionMinCommand.



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# File 'lib/macho/load_commands.rb', line 953

def initialize(offset, cmd, cmdsize, version, sdk)
  super(offset, cmd, cmdsize)
  @version = version
  @sdk = sdk
end

Instance Attribute Details

#sdk ⇒ Fixnum (readonly)

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

Returns:

  • (Fixnum) —

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



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# File 'lib/macho/load_commands.rb', line 947

def sdk
  @sdk
end

#version ⇒ Fixnum (readonly)

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

Returns:

  • (Fixnum) —

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



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# File 'lib/macho/load_commands.rb', line 944

def version
  @version
end

Instance Method Details

#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 972

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

  segs.join(".")
end

#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 961

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

  segs.join(".")
end