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From: Yao Qi <yao@codesourcery.com>
To: Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [try 3rd] arm_pc_is_thumb takes displaced stepping into account
Date: Thu, 13 Jan 2011 16:34:00 -0000	[thread overview]
Message-ID: <4D2F24B9.6050509@codesourcery.com> (raw)
In-Reply-To: <1294931747.9907.137.camel@e102319-lin.cambridge.arm.com>

On 01/13/2011 09:15 AM, Matthew Gretton-Dann wrote:
> I agree with Ulrich, and prefer this latest patch to your previous ones
> - but I am still not 100% happy with it, as I think it would be better
> not to need anything from infrun.c at all here.

Agree.  The perfect situation is that we need nothing from infrun.c in tdep.

> What could be done instead is to have the displaced stepping routines
> maintain a list of the areas of memory that are being used as scratch
> space, and the instruction set state of the instructions in those areas.

> Then arm_pc_is_thumb should check this list to see if the PC falls into
> one of these areas, and return the appropriate value.

That sounds good.  Again, thanks for your inputs.

-- 
Yao Qi

  reply	other threads:[~2011-01-13 16:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-20  7:50 [rfa] Update PC without side effect in displaced stepping Yao Qi
2010-12-20  8:06 ` Mark Kettenis
2010-12-20 13:42   ` Yao Qi
2010-12-21 16:19     ` Yao Qi
2010-12-23  4:54       ` Joel Brobecker
2010-12-23  8:45         ` Yao Qi
2011-01-06 14:19           ` [PING : rfa] " Yao Qi
2011-01-12  5:39           ` [try 3rd] arm_pc_is_thumb takes displaced stepping into account Yao Qi
2011-01-13 15:55             ` Matthew Gretton-Dann
2011-01-13 16:34               ` Yao Qi [this message]
2011-01-19 16:09             ` [Ping 1: try " Yao Qi
2011-01-30  3:21               ` [Ping 2: " Yao Qi
2011-01-31 15:40             ` [try " Ulrich Weigand
2011-02-10  6:42               ` Yao Qi
2011-02-15 21:15                 ` Ulrich Weigand
2010-12-23 12:04         ` [rfa] Update PC without side effect in displaced stepping Mark Kettenis

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