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From: "Frank Ch. Eigler" <fche@redhat.com>
To: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>,
	archer@sourceware.org, utrace-devel@redhat.com
Subject: Re: gdbstub initial code, v11
Date: Thu, 23 Sep 2010 22:12:00 -0000	[thread overview]
Message-ID: <20100923212957.GC23722@redhat.com> (raw)
In-Reply-To: <20100923212138.5B3E940048@magilla.sf.frob.com>

Hi -

On Thu, Sep 23, 2010 at 02:21:38PM -0700, Roland McGrath wrote:
> > > The ones I'm talking about are Z2/Z3 for (data) watchpoints.
> > Ah, OK, thanks. I'll try to understand how this works.
> 
> In theory these will map to uses of the hw_breakpoint interface.

Not quite.  The hw_breakpoint widget is only useful for the first few
active watchpoints.  The rest, which gdb calls software watchpoints,
can be implemented in ugdb by local singlestep + polling, without
gdb's live involvement.

- FChE

      reply	other threads:[~2010-09-23 22:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-22  2:26 Oleg Nesterov
2010-09-22 19:09 ` Tom Tromey
2010-09-22 19:18   ` Jan Kratochvil
2010-09-23 22:12   ` Roland McGrath
2010-09-22 22:06 ` Frank Ch. Eigler
2010-09-22 23:18   ` Oleg Nesterov
2010-09-22 23:39     ` Frank Ch. Eigler
2010-09-22 23:48       ` Oleg Nesterov
2010-09-23 22:03         ` Roland McGrath
2010-09-23 22:12           ` Frank Ch. Eigler [this message]

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