From: Daniel Jacobowitz <drow@false.org>
To: Wu Zhou <woodzltc@cn.ibm.com>
Cc: gdb-patches@sources.redhat.com, mark.kettenis@xs4all.nl
Subject: Re: [RFC] GDB patches for hw watchpoints - revised
Date: Tue, 06 Dec 2005 23:31:00 -0000 [thread overview]
Message-ID: <20051206202848.GA9568@nevyn.them.org> (raw)
In-Reply-To: <uslt6km76.fsf@gnu.org>
On Tue, Dec 06, 2005 at 10:25:01PM +0200, Eli Zaretskii wrote:
> > Date: Tue, 6 Dec 2005 14:12:26 +0800 (CST)
> > From: Wu Zhou <woodzltc@cn.ibm.com>
> > cc: drow@false.org, eliz@gnu.org, mark.kettenis@xs4all.nl
> >
> > 3. Eli ever expressed a concern that the PPC doesn't have a way to return
> > the data address that triggered the watchpoint? As far as I think, the
> > reason is that PPC will only have one DABR (if it does have). So maybe we
> > don't need to have such a method.
>
> Sorry, I'm not following: no matter how many debug registers the PPC
> has, it can still return to GDB the data address that triggered the
> watchpoint. I don't think the higher levels of GDB (breakpoint.c)
> should know or assume anything about the target capabilities or
> resources. Let's try keeping the code clean of such peculiarities.
Wu, you're using GETSIGINFO to check for a watchpoint. Then isn't the
faulting address stored in the siginfo anyway?
--
Daniel Jacobowitz
CodeSourcery, LLC
next prev parent reply other threads:[~2005-12-06 20:28 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-06 19:54 Wu Zhou
2005-12-06 22:46 ` Ulrich Weigand
2005-12-09 12:00 ` Wu Zhou
2005-12-09 14:34 ` Ulrich Weigand
2005-12-06 23:05 ` Eli Zaretskii
2005-12-06 23:31 ` Daniel Jacobowitz [this message]
2005-12-09 12:04 ` Wu Zhou
2005-12-09 14:22 ` Daniel Jacobowitz
2005-12-09 18:58 ` Eli Zaretskii
2005-12-10 22:23 ` Wu Zhou
2005-12-11 11:12 ` Daniel Jacobowitz
2005-12-11 14:39 ` Wu Zhou
2005-12-13 22:47 ` Wu Zhou
2005-12-14 18:12 ` Eli Zaretskii
2005-12-14 18:13 ` Daniel Jacobowitz
2005-12-15 20:06 ` Wu Zhou
2005-12-16 0:10 ` Anton Blanchard
2005-12-22 15:26 Wu Zhou
2005-12-22 15:38 ` Wu Zhou
2005-12-22 15:57 ` Eli Zaretskii
2005-12-22 15:57 ` Wu Zhou
2005-12-23 20:52 ` Eli Zaretskii
2006-01-22 20:56 ` Daniel Jacobowitz
2006-01-24 3:40 ` Wu Zhou
2006-01-24 3:43 ` Daniel Jacobowitz
2006-01-24 4:33 ` Wu Zhou
2006-01-24 11:00 ` Wu Zhou
2006-01-24 21:20 ` Daniel Jacobowitz
2006-01-25 3:19 ` Wu Zhou
2006-01-25 8:34 ` Replace to_region_size_ok_for_hw_watchpoint references with to_region_ok_for_hw_watchpoint ones Wu Zhou
2006-02-02 1:43 ` [RFC] GDB patches for hw watchpoints - revised Daniel Jacobowitz
2006-02-08 5:35 ` Wu Zhou
2006-02-09 5:44 ` Wu Zhou
2006-02-09 7:44 ` Eli Zaretskii
2006-02-13 9:53 ` Wu Zhou
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