Re: GDB 5.0 won't build on GNU/Linux/sparc

[Michael Snyder <msnyder at cygnus dot com>]

Andrew Cagney wrote:
> 
> Alexandre Oliva wrote:
> >
> > On May 20, 2000, Alexandre Oliva <aoliva@cygnus.com> wrote:
> >
> > > On GNU/Linux/sparc, it builds correctly, but it still doesn't work
> > > :-( child_resume is called with step==1, and aborts because
> > > SOFTWARE_SINGLE_STEP_P is also 1.
> >
> > This patch fixes this problem, and now it appears to work (not that I
> > have tested it extensively!)
> >
> > The problem was that, when resume issued the software single step
> > command, it cleared `step'.  Later on, it would test whether step was
> > zero and think it had been asked to `continue'.  Ok to install?
> >
> >   ------------------------------------------------------------------------
> > Index: gdb/ChangeLog
> > from  Alexandre Oliva  <aoliva@cygnus.com>
> >
> >         * infrun.c (resume): Do not change continue to step if we single
> >         step on software.
> 
> I think this one needs more testing (wfi is dangerous at the best of
> times).
> Does anyone with one of the other targets with SOFTWARE_SINGLE_STEP_P=1
> see this problem (wince, rs6000?, sunos4?).

It was only last year that I removed SOFTWARE_SINGLE_STEP_P
from Solaris.  It should be easy to put it back temporarily
for testing.

> (Alexandre, can you provide a concrete example as a reference point).

Yes, please!

				Michael