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Re: [PATCH 1/2] This patch fixes GDBServer's run control for single stepping
- 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" <gdb-patches at sourceware dot org>
- Date: Fri, 17 Feb 2017 19:17:56 -0500
- Subject: Re: [PATCH 1/2] This patch fixes GDBServer's run control for single stepping
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Yao Qi writes:
> On Fri, Feb 17, 2017 at 3:05 AM, Antoine Tremblay
> <antoine.tremblay@ericsson.com> wrote:
>>
>> And I'm not sure how the IT block detection would be done.
>>
>
> In ARM ARM, we have the pseudo code,
>
> boolean InITBlock()
> return (ITSTATE.IT<3:0> != ‘0000’);
>
> ITSTATE can be got from CPSR.
Yes that's good if you're inserting a breakpoint at current PC but
otherwise you will need something else...