Re: Powerpc signal handler with floating point registers

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

Title: Re: Powerpc signal handler with floating point registers

On 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