Restart execution of the frame with the same arguments it was originally called with. (This command is not available in all implementations.)
Return from the frame with a value entered in the minibuffer. (This command is not available in all implementations.)
Exit SLDB and debug the condition using the Lisp system’s default debugger.
Inspect the condition currently being debugged.
Evaluate an expression entered in the minibuffer.
Attach debugger (e.g. gdb) to the current lisp process.