runtimectl

runtimectl is a command-line utility for examining Objective-C segments in dyld_shared_cache images. It can generate declarations for the classes, categories and protocols. While also providing functionality to create dumps with these declarations for macOS & iOS.

Usage

Usage: runtimectl [options]

Options:
  -h, --help  Show this help message

  --dump      Commands involving the dyld_shared_cache
    -l          List all images in the dyld_shared_cache (-o is ignored)
    -o <dir>    Dumps dyld_shared_cache image headers to a specified directory (-l is ignored)

  -f <image>  Commands involving dyld images
    -l          List all available classes in the image (-c is ignored)
    -o <dir>    Dumps image headers to a specified directory (-l and -c is ignored)
    -c <class>  Dumps specified class to stdout (-l and -o is ignored)

Examples

List available images from the dyld_shared_cache

runtimectl --dump -l

Dump all headers from the dyld_shared_cache into /tmp/libraries

runtimectl --dump -o /tmp/libraries

List all classes in GameKit.framework

runtimectl -f /System/Library/Frameworks/GameKit.framework/Versions/A/GameKit -l

Dump headers from a specific dylib into /tmp/GameKit

runtimectl -f /System/Library/Frameworks/GameKit.framework/Versions/A/GameKit -o /tmp/GameKit

Print the GKImageLoader class from GameKit.framework

runtimectl -f /System/Library/Frameworks/GameKit.framework/Versions/A/GameKit -c GKImageLoader

Acknowledgements

• ClassDumpRuntime

License

Project is licensed under the MIT license. You can see the full details of the license here.