From: Daniel Jacobowitz <drow@false.org>
To: Orjan Friberg <orjan.friberg@axis.com>
Cc: Andrew Cagney <cagney@gnu.org>, gdb-patches@sources.redhat.com
Subject: Re: Multiplexed registers and invalidating the register cache
Date: Fri, 16 Apr 2004 14:13:00 -0000 [thread overview]
Message-ID: <20040416141333.GA9718@nevyn.them.org> (raw)
In-Reply-To: <407FD693.2080804@axis.com>
On Fri, Apr 16, 2004 at 02:50:27PM +0200, Orjan Friberg wrote:
> Andrew Cagney wrote:
> >
> >Consider the effect of modifying the $sp.
> >
> >While it might in theory be possible to implement some sort of
> >complicated look-aside cache schema, in reality there is zero return on
> >investment. Since recovery from the flush can't be slower than recovery
> >from single-step, and single step is way way more critical, we should
> >focus on single step.
>
> Ok, I'm convinced that the whole frame cache should be discarded, except
> I must be missing something since calling flush_cached_frames doesn't
> refetch the current set of registers (like calling registers_changed does).
Yes, I think you need to do both.
--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer
next prev parent reply other threads:[~2004-04-16 14:13 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-14 11:44 Orjan Friberg
2004-04-14 14:46 ` Daniel Jacobowitz
2004-04-14 16:01 ` Andrew Cagney
2004-04-15 10:46 ` Orjan Friberg
2004-04-15 11:25 ` Orjan Friberg
2004-04-15 15:29 ` Andrew Cagney
2004-04-16 12:51 ` Orjan Friberg
2004-04-16 14:13 ` Daniel Jacobowitz [this message]
2004-04-16 14:54 ` Orjan Friberg
2004-04-16 19:15 ` Andrew Cagney
2004-04-19 14:13 ` Orjan Friberg
2004-04-21 16:48 ` Andrew Cagney
2004-04-22 13:58 ` Orjan Friberg
2004-04-22 14:33 ` Andrew Cagney
2004-04-23 11:25 ` Orjan Friberg
2004-04-24 0:03 ` Andrew Cagney
2004-04-23 15:20 ` Orjan Friberg
2004-04-23 17:58 ` Eli Zaretskii
2004-04-26 9:41 ` Orjan Friberg
2004-04-24 0:03 ` Andrew Cagney
2004-04-24 8:30 ` Eli Zaretskii
2004-04-28 16:43 ` Andrew Cagney
2004-04-28 17:40 ` Eli Zaretskii
2004-04-29 8:09 ` Orjan Friberg
2004-04-29 17:56 ` Eli Zaretskii
2004-04-30 7:39 ` Orjan Friberg
2004-04-26 9:50 ` Orjan Friberg
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