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From: Simon Marchi <simon.marchi@ericsson.com>
To: Pedro Alves <palves@redhat.com>, Yao Qi <qiyaoltc@gmail.com>,
	<gdb-patches@sourceware.org>
Subject: Re: Move threads out of jumppad without single step
Date: Mon, 30 Nov 2015 19:04:00 -0000	[thread overview]
Message-ID: <565C9DA8.4010605@ericsson.com> (raw)
In-Reply-To: <565C6043.4040106@redhat.com>

On 15-11-30 09:42 AM, Pedro Alves wrote:
> So I assume it's much simpler to just run to [1] as well, and then issue
> a normal software single-step when you get there.
>
> Also, not sure, but it's possible the stabilize threads machinery may
> need work to handle the "wrong threads" hitting that "out of jump pad"
> single-step breakpoint for another thread, and not have them start
> a new start over, but instead have them be locked immediately.

To be clear, do you mean, when single stepping the last jump pad instruction,
the jump that goes back to the regular code?  When putting a breakpoint on the
next pc of that instruction, it means putting a breakpoint in the regular code.

However, when doing a single step in gdbserver, aren't all other threads stopped?


  reply	other threads:[~2015-11-30 19:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-27 10:55 Yao Qi
2015-11-30 14:42 ` Pedro Alves
2015-11-30 19:04   ` Simon Marchi [this message]
2015-11-30 19:39     ` Pedro Alves
2015-12-01 11:36   ` Yao Qi
2016-01-27 16:47     ` Antoine Tremblay
2016-01-29 20:43       ` Antoine Tremblay
2016-02-04 16:58         ` Yao Qi
2016-02-04 18:24           ` Antoine Tremblay

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