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From: Pedro Alves <palves@redhat.com>
To: Yao Qi <qiyaoltc@gmail.com>, gdb-patches@sourceware.org
Subject: Re: [PATCH 2/2] watchpoint-reuse-slot.exp: skip when requesting two breakpoints in one slot on aarch64
Date: Mon, 16 Mar 2015 12:35:00 -0000	[thread overview]
Message-ID: <5506CDF8.5060100@redhat.com> (raw)
In-Reply-To: <1426257692-30461-2-git-send-email-qiyaoltc@gmail.com>

On 03/13/2015 02:41 PM, Yao Qi wrote:
> From: Yao Qi <yao.qi@linaro.org>
> 
> watchpoint-reuse-slot.exp sets two hardware breakpoints in contiguous
> address to reuse one debug register.  However, requested address for
> breakpoint should be 4-byte aligned on aarch64, so it is impossible
> to request two hardware breakpoints and use one debug register.  This
> patch is to skip the test in the case on aarch64-linux.  Since arm
> has Thumb mode, in which instruction address can be 2-byte aligned,
> more thoughts are needed for arm in my next step.

So I take it that GDB complains when the user tries this, and thus
the test is failing on aarch64?  What does the log show?

Thanks,
Pedro Alves


  reply	other threads:[~2015-03-16 12:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-13 14:41 [PATCH 1/2] watchpoint-reuse-slot.exp: skip some tests on targets have different wp and bp registers Yao Qi
2015-03-13 14:41 ` [PATCH 2/2] watchpoint-reuse-slot.exp: skip when requesting two breakpoints in one slot on aarch64 Yao Qi
2015-03-16 12:35   ` Pedro Alves [this message]
2015-03-16 14:10     ` Yao Qi
2015-03-16 12:35 ` [PATCH 1/2] watchpoint-reuse-slot.exp: skip some tests on targets have different wp and bp registers Pedro Alves
2015-03-16 14:01   ` Yao Qi
2015-03-16 15:23     ` Pedro Alves
2015-03-16 16:37       ` Yao Qi
2015-03-16 16:55         ` Pedro Alves
2015-03-16 17:34           ` Yao Qi

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