Re: [RFA] enable software single step on alpha-osf

[Andrew Cagney <ac131313 at ges dot redhat dot com>]

> >   2 - However I should hold this change for now because you think I should
> >       write the adjusted PC value back to the target, by adding something
> >       like "write_pc_pid (stop_pc, ecs->ptid)"
> >
> >       I will verify the impact of such a change, and report.
>
> Good news :). Adding this does not introduce any regression, so no red
> dragon lurking so far...
Ya!

> >   3 - Assuming we get all issues in this RFA resolved, then I will start
> >       looking at the addition of the software_singlestep flag.
>
> I am starting to work on this one. 
> I suggest for this RFA to:
>   - define a new boolean software_singlestep_p
>   - set it at the same time we adjust the PC when detecting sw single
>     step.
>   - Change the value of not_a_sw_breakpoint in the call to
>     bpstat_stop_status() to prepend a "sw_single_step_p ||".
Yep,

> As a next patch, we would add a new sw_single_step_p parameter to 
> bpstat_stop_status() to pass this value separately. 
Somebody elses problem (hmm, perhaps we could trick DanielJ into doing 
it ;-)

Andrew