Re: Powerpc signal handler with floating point registers

[Andrew Atrens <atrens%nortel.com@localhost>]

Title: Re: Powerpc signal handler with floating point registers

O
n February 28, 2005 03:44 pm, Matt Thomas wrote:
> At 06:02 PM 2/25/2005, you wrote:
> >Just tried -current (NetBSD 2.99.16). Still doesn't
> >seem to work.
>
> You need use sigaction and specify SA_SIGINFO.
> Only in that case will FP (or AltiVec) registers be preserved.

Hi Matt,

Is this purely for performance? It seems kind of non-standard?
This behaviour is definitely different from the i386 port.

Would it be possible to introduce a kernel option or tuneable
to maintain compatibility across ports ?

Just curious :)

Best Regards,

Andrew Atrens