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From: Joel Brobecker <brobecker@adacore.com>
To: Pedro Alves <palves@redhat.com>
Cc: gdb-patches@sourceware.org, Jerome Guitton <guitton@adacore.com>
Subject: Re: [RFA] arm-pikeos: software single step
Date: Fri, 14 Sep 2018 00:38:00 -0000	[thread overview]
Message-ID: <20180914003753.GA16818@adacore.com> (raw)
In-Reply-To: <9ff1cf95-0ec4-dd58-6445-4fd51730a7d8@redhat.com>

> Almost.  GDB can't trust "vCont;c;C" alone, because for a long
> while GDBserver would send "vCont;c;s;C;S" even if the target
> did not support hardware stepping.  So what a stub needs to do
> is:
> 
> Return "vCont;c;C" to "vCont?" _AND_ include "vContSupported"
> in the reported "qSupported" features.  The latter tells GDB
> to trust that the actions included in "vCont?" are really the
> supported ones.  (I wish we had implemented this a little bit
> differently, but that ship has sailed, and although a bit
> cumbersome, it works.)

Excellent. I've passed that information in what is hopefully
a concise and clear message that JeromeG can pass to Sysgo.
Hopefully something will come out of it.

Thanks Pedro!

-- 
Joel


      reply	other threads:[~2018-09-14  0:38 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-10 15:13 Joel Brobecker
2018-09-10 17:28 ` Tom Tromey
2018-09-10 17:43   ` Joel Brobecker
2018-09-10 18:39     ` [RFA v2] " y
2018-09-10 20:01       ` Simon Marchi
2018-09-10 20:53         ` Tom Tromey
2018-09-11  8:56         ` Joel Brobecker
2018-09-11  9:58           ` Simon Marchi
2018-09-11 13:51             ` Joel Brobecker
2018-09-11 15:41           ` Tom Tromey
2018-09-11 21:17             ` Joel Brobecker
2018-09-14  0:47               ` Joel Brobecker
2018-09-14 10:57                 ` Simon Marchi
2018-11-01 21:44                 ` Joel Brobecker
2018-09-11  9:08 ` [RFA] " Pedro Alves
2018-09-11 11:04   ` Joel Brobecker
2018-09-11 11:27     ` Pedro Alves
2018-09-11 20:57       ` Joel Brobecker
2018-09-12 13:22         ` Pedro Alves
2018-09-14  0:38           ` Joel Brobecker [this message]

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