Re: [ARM] Thumb-2 breakpoint size for remote protocol

Daniel Jacobowitz
2010-03-08T15:20:40Z

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