[rfa/threads] Convert thread event descriptors to code addrs

[Roland McGrath]

> Does NPTL do anything with that address internally?  Or just pass it 
> through?

It just returns it for td_ta_event_addr.  The interface of that function is
that NOTIFY_BPT specifies an address at which to place a breakpoint, so it
seems appropriate that it pass back the actual code address.
Will that cause any confusion?


Thanks,
Roland