From: Daniel Jacobowitz <dan@codesourcery.com>
To: Jonas Maebe <jonas.maebe@elis.ugent.be>
Cc: Matthew Gretton-Dann <matthew.gretton-dann@arm.com>, gdb@sourceware.org
Subject: Re: [ARM] Thumb-2 breakpoint size for remote protocol
Date: Mon, 08 Mar 2010 15:20:00 -0000 [thread overview]
Message-ID: <20100308152028.GA5701@caradoc.them.org> (raw)
In-Reply-To: <57297D7B-BB5C-4E0C-ABDA-A306FCB33F07@elis.ugent.be>
On Mon, Mar 08, 2010 at 02:43:11PM +0100, Jonas Maebe wrote:
> Hi Matthew :)
>
> On 08 Mar 2010, at 14:33, Matthew Gretton-Dann wrote:
>
> >arm_remote_breakpoint_from_pc (in gdb/arm-tdep.c around line 5121)
> >contains the following comment:
> >
> > if (arm_pc_is_thumb (*pcptr) && *kindptr == 4)
> > /* The documented magic value for a 32-bit Thumb-2 breakpoint, so
> > that this is not confused with a 32-bit ARM breakpoint. */
> > *kindptr = 3;
> >
> >I can't find the documentation which gives the magic value. Could
> >someone direct me to it please?
>
> I guess this is what that comment refers to: http://sourceware.org/gdb/current/onlinedocs/gdb/Architecture_002dSpecific-Protocol-Details.html
Yes, that's the one. Matthew, if there's somewhere else you looked
for this that could use a cross-reference, let us know (or feel free
to post a patch :-).
--
Daniel Jacobowitz
CodeSourcery
prev parent reply other threads:[~2010-03-08 15:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-08 13:34 Matthew Gretton-Dann
2010-03-08 13:43 ` Jonas Maebe
2010-03-08 15:20 ` Daniel Jacobowitz [this message]
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