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.

Constant Summary collapse

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:

"L=4".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:

16

Instance Attribute Summary collapse

Attributes inherited from LoadCommand

#cmd, #cmdsize, #view

Instance Method Summary collapse

Methods inherited from LoadCommand

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

Methods inherited from MachOStructure

bytesize, new_from_bin

Constructor Details

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

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 VersionMinCommand.



1058
1059
1060
1061
1062
 
# File 'lib/macho/load_commands.rb', line 1058

def initialize(view, cmd, cmdsize, version, sdk)
  super(view, 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



1047
1048
1049
 
# File 'lib/macho/load_commands.rb', line 1047

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



1044
1045
1046
 
# File 'lib/macho/load_commands.rb', line 1044

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.



1077
1078
1079
1080
1081
1082
1083
1084
 
# File 'lib/macho/load_commands.rb', line 1077

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.



1066
1067
1068
1069
1070
1071
1072
1073
 
# File 'lib/macho/load_commands.rb', line 1066

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