Re: [RFA/commit] arm-tdep.c: Do not single-step after hitting a watchpoint.

Joel Brobecker
2014-09-16T12:48:19Z

> >I think the experiments that were run showed that QEMU is in fact
> >correct and should NOT be changed.
>
> Do we know what the Linux kernel's behavior on this one is? I wonder
> what the stopped data address shows.
>
> Someone with access to a board with a relatively new kernel could
> try that and rule it out, otherwise we risk fixing something for
> QEMU/bare metal and breaking things for Linux.

When I tested on GNU/Linux, watchpoints simply did not work
(silently ignored, no signal). I was using an old kernel (2012),
though; but that's all I had access to. But, all in all, baremetal
should be our most reliable source of info, though,no? - no software
layer to murky the waters.

--
Joel