On Tue, 24 Sep 2002, Kevin D. Kissell wrote: > dump core, so the user never executes again. But *if* > the user has registered a handler for SIGFPE, and one > of the IEEE exceptions occurs, I don't see where the > associated Cause bit is being cleared, and I would think > that the consequence would be that the process would > get into an endless loop of trapping, posting the signal, > restoring the FCSR from the context with the bits set, > and trapping again, whether or not the PC is modified > to avoid re-executing the faulting instruction. Obviously user code is responsible to clear the bit it acted upon in the saved context. -- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available +
