objc¤

usage: objc [-h] {show-class,list-classes} ...

Objective-C Support

This command is composed of a number of subcommands providing support for inspecting and interacting with the Objective-C ABI in Darwin-based systems.

Positional arguments¤

Positional Argument	Help
command

Optional arguments¤

Short	Long	Help
-h	--help	show this help message and exit

objc show-class¤

usage: objc show-class [-h] [-m MODULE] (-a ADDRESS | -n NAME)

Show information about a given Objective-C class

The information is presented in a pseudo-Objective-C syntax, that displays the value string for properties and the addresses of IMP pointers and selectors for methods, but omits type information.

It is given in the form:

@implementation <ClassName> : <SuperName>

@property <PropertyName> = <PropertyValue>

- <ClassMethodSelector> (<SelectorAddress>) @ <IMP>

+ <InstanceMethodSelector> (<SelectorAddress>) @ <IMP>

@end

Optional arguments¤

Short	Long	Help
-h	--help	show this help message and exit
-m	--module	Name of the module from which the class is going to be looked up. By default this is the main module.
-a	--address	Address at which the class metadata starts
-n	--name	Name of the class to display

objc list-classes¤

usage: objc list-classes [-h] [-f] [-A | -m MODULE | -a]

Lists Objective-C classes present in the process

Optional arguments¤

Short	Long	Help
-h	--help	show this help message and exit
-f	--full	Display full information for each class in the manner of objc-show-class, rather than just their names.
-A	--all-with-shared-cache	List classes from all modules in the process, including those in the shared cache.
-m	--module	Name of the module from which the classes are going to be listed. By default this is the main module.
-a	--all	List classes from all modules in the process, except those in the shared cache.