FYI:

On Fri, Oct 31, 2003 at 00:11:27 +0000, Valeriy E. Ushakov wrote:

> Module Name:	src
> Committed By:	uwe
> Date:		Fri Oct 31 00:11:27 UTC 2003
> 
> Modified Files:
> 	src/gnu/dist/gdb/gdb: shnbsd-tdep.c
> 	src/gnu/dist/gdb/gdb/config/sh: tm-nbsd.h
> 	src/gnu/usr.bin/gdb53/arch/sh3eb: tm.h
> 	src/gnu/usr.bin/gdb53/arch/sh3el: tm.h
> 
> Log Message:
> First cut at implementing software single stepping for sh3.  We need
> it because sh3 ports don't provide PT_STEP.  It is finally possible to
> run programs under gdb now, though there are still issues to be
> resolved.  It was deemed useful enough to commit early, while the work
> is still in progress.  Tested on hpcsh.

As the committ message says, it still has issues, but at least you can
actually launch an inferior under gdb, set breakpoints, step, etc.

SY, Uwe
-- 
uwe@ptc.spbu.ru                         |       Zu Grunde kommen
http://www.ptc.spbu.ru/~uwe/            |       Ist zu Grunde gehen