From: Daniel Jacobowitz <drow@false.org>
To: Ulrich Weigand <uweigand@de.ibm.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [rfc] [4/4] SPU overlay support: Bugfix in remove_breakpoint
Date: Fri, 11 May 2007 17:29:00 -0000 [thread overview]
Message-ID: <20070511172943.GB22529@caradoc.them.org> (raw)
In-Reply-To: <200705102205.l4AM5j9e032747@d12av02.megacenter.de.ibm.com>
On Fri, May 11, 2007 at 12:05:45AM +0200, Ulrich Weigand wrote:
> The way to handle read-write overlay managers is to arrange for
> the LMA to point to the backing-store RAM address where the
> overlay has been swapped to, and remove the swapped-out breakpoint
> at the *LMA* address. The existing code already handles that
> correctly (assuming overlay_events_enabled is false, as it should
> be for read-write overlay managers).
I followed you right up until the end. Why should
overlay_events_enabled be false for read-write overlay management?
We could still be using hardware breakpoints (for example) with
RAM-based overlays. We'd want notification events so that we could
enable or disable the hardware breakpoint appropriately.
--
Daniel Jacobowitz
CodeSourcery
next prev parent reply other threads:[~2007-05-11 17:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-07 22:27 Ulrich Weigand
2007-05-10 21:52 ` Daniel Jacobowitz
2007-05-10 22:05 ` Ulrich Weigand
2007-05-11 17:29 ` Daniel Jacobowitz [this message]
2007-05-11 18:55 ` Ulrich Weigand
2007-05-11 19:00 ` Daniel Jacobowitz
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