From: Joel Brobecker <brobecker@adacore.com>
To: Luis Machado <lgustavo@codesourcery.com>
Cc: Yao Qi <yao@codesourcery.com>, gdb-patches@sourceware.org
Subject: Re: [RFA/commit] arm-tdep.c: Do not single-step after hitting a watchpoint.
Date: Tue, 16 Sep 2014 12:48:00 -0000 [thread overview]
Message-ID: <20140916124814.GO4871@adacore.com> (raw)
In-Reply-To: <5418279A.1040604@codesourcery.com>
> >I think the experiments that were run showed that QEMU is in fact
> >correct and should NOT be changed.
>
> Do we know what the Linux kernel's behavior on this one is? I wonder
> what the stopped data address shows.
>
> Someone with access to a board with a relatively new kernel could
> try that and rule it out, otherwise we risk fixing something for
> QEMU/bare metal and breaking things for Linux.
When I tested on GNU/Linux, watchpoints simply did not work
(silently ignored, no signal). I was using an old kernel (2012),
though; but that's all I had access to. But, all in all, baremetal
should be our most reliable source of info, though,no? - no software
layer to murky the waters.
--
Joel
next prev parent reply other threads:[~2014-09-16 12:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-15 13:01 Joel Brobecker
2014-09-16 11:12 ` Yao Qi
2014-09-16 11:59 ` Joel Brobecker
2014-09-16 12:05 ` Luis Machado
2014-09-16 12:48 ` Joel Brobecker [this message]
2014-09-16 13:09 ` Luis Machado
2014-09-16 15:21 ` Pedro Alves
2014-09-18 11:40 ` Marcus Shawcroft
2014-09-19 17:31 ` Pedro Alves
2014-09-29 17:51 ` Joel Brobecker
2014-09-29 17:57 ` Luis Machado
2014-09-29 21:04 ` Pedro Alves
2014-09-30 8:54 ` Will Deacon
2014-09-29 18:23 Peter Maydell
2014-09-29 22:15 ` Pedro Alves
2014-09-29 22:54 ` Peter Maydell
2014-09-30 9:08 ` Pedro Alves
2014-09-30 9:18 ` Will Deacon
2014-09-30 10:07 ` Pedro Alves
2014-09-30 10:18 ` Peter Maydell
2014-09-30 10:38 ` Pedro Alves
2014-09-30 10:01 ` Peter Maydell
2014-09-30 10:34 ` Pedro Alves
2014-09-30 12:54 ` Pedro Alves
2014-09-30 13:50 ` Joel Brobecker
2014-09-30 14:11 ` Pedro Alves
2014-09-30 14:26 ` Joel Brobecker
2014-09-30 14:50 ` Peter Maydell
2014-09-30 8:57 ` Will Deacon
2014-09-30 9:04 ` Will Deacon
2014-09-30 9:14 ` Pedro Alves
2014-09-30 9:24 ` Will Deacon
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