[RFA] [Un]Register single step

[Tom Tromey]

>>>>> "Keith" == Keith Seitz <keiths@redhat.com> writes:

Keith> The attached patch implements the JDWP side of single step event
Keith> registration (and "unregistration"). Most of what it does is simply
Keith> massaging data received from the JDWP backend (in classpath) and store
Keith> it in a more useful form (along with some new data) to facilitate
Keith> decision making during single stepping. [You get to see how that's
Keith> done when I submit the related callback function.]

Keith> Comments/questions/concerns?

Looks good, thanks.

Tom