Date: Thu, 27 Aug 1998 11:23:17 +0200 From: Martin Cracauer <cracauer@cons.org> To: Bruce Evans <bde@zeta.org.au>, cracauer@cons.org, current@FreeBSD.ORG, luoqi@watermarkgroup.com, shocking@prth.pgs.com Subject: Re: Floating Point Exceptions, signal handlers & subsequent ops Message-ID: <19980827112317.A25012@cons.org> In-Reply-To: <199808270253.MAA15661@godzilla.zeta.org.au>; from Bruce Evans on Thu, Aug 27, 1998 at 12:53:36PM %2B1000 References: <199808270253.MAA15661@godzilla.zeta.org.au>
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In <199808270253.MAA15661@godzilla.zeta.org.au>, Bruce Evans wrote: > >Ah, now I got it. > > > >If sig == SIGFPE, then expect the trap code to be one of FPE_*_TRAP > >values from machine/trap.h, *not* one of the T_* values. > > Except this is not implemented. It doesn't pass floating point conditions, but I receive FPE_INTDIV_TRAP when I should. That makes the hardest case distinguishable (int devision by zero -> restarted instruction after signal handler exit). Martin -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer Tel.: (private) +4940 5221829 Fax.: (private) +4940 5228536 Paper: (private) Waldstrasse 200, 22846 Norderstedt, Germany To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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