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Re: [PATCH 1/4] Teach arm unwinders to terminate gracefully
- From: Antoine Tremblay <antoine dot tremblay at ericsson dot com>
- To: Yao Qi <qiyaoltc at gmail dot com>
- Cc: Antoine Tremblay <antoine dot tremblay at ericsson dot com>, Pedro Alves <palves at redhat dot com>, <gdb-patches at sourceware dot org>
- Date: Fri, 26 Feb 2016 07:26:05 -0500
- Subject: Re: [PATCH 1/4] Teach arm unwinders to terminate gracefully
- Authentication-results: sourceware.org; auth=none
- References: <1452188697-23870-1-git-send-email-antoine dot tremblay at ericsson dot com> <1452188697-23870-2-git-send-email-antoine dot tremblay at ericsson dot com> <86io1ung0a dot fsf at gmail dot com> <56CEE928 dot 2080704 at redhat dot com> <wwokbn757wyi dot fsf at ericsson dot com> <86si0fbzto dot fsf at gmail dot com>
Yao Qi writes:
> Antoine Tremblay <antoine.tremblay@ericsson.com> writes:
>
>> Reading Pedro's description I'm not against the refactoring but it's non
>> trivial to me at the moment at least.
>
> It is not a simple refacotring...
>
>>
>> I suggest we allow this patch to go in in order to make progress on the
>> arm tracepoint patchset and do that refactoring in a subsequent patch.
>>
>> Would that be OK ?
>
> I am afraid not. We should try this approach, because this will benefit
> all targets. IMO, handling unavailable memory in general frame
> unwinding is more important.
So you intend to work on this ?
>
> b.t.w, I am still not confident on the arm software single step in
> GDBserver on some cases, such as branch-to-self (".L2: b .L2") and
> single step with signal. ARM tracepoint patches can go in after these
> issues are resolved (I am working on these issues).
Thanks for working on that, I'm just trying to progress whereever I can
meanwhile so that tracepoint patches are ready to go when single
stepping is OK.
Thanks,
Antoine