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From: Orjan Friberg <orjan.friberg@axis.com>
To: Michael Snyder <msnyder@redhat.com>
Cc: gdb-patches@sources.redhat.com
Subject: Re: Defer register reading from remote target until needed?
Date: Fri, 04 Jun 2004 08:52:00 -0000	[thread overview]
Message-ID: <40C03854.1070907@axis.com> (raw)
In-Reply-To: <40BF6D09.7080909@redhat.com>

Michael Snyder wrote:
> 
> It's supposed to work that way already.  Either something's broken, or
> some register other than the ones you named *is* needed.  The 'g' pkt
> should only go out if gdb needs the value of a register that it doesn't
> already have.
> 
> This can sometimes happen 'indirectly', eg. if you try to set a 
> register, gdb may try to read it first.
> 
> Try setting a breakpoint in remote_fetch_registers, then go up
> the stack and see what register gdb is trying to read.

Ah; it's because we need the subroutine return pointer when unwinding 
the pc.  Thanks.


-- 
Orjan Friberg
Axis Communications


      reply	other threads:[~2004-06-04  8:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-03 13:08 Orjan Friberg
2004-06-03 18:25 ` Michael Snyder
2004-06-04  8:52   ` Orjan Friberg [this message]

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