> > See chapter 6 in PA-RISC 64-Bit Runtime Architecture Supplement. > > Stack unwinding and exception handling? No, you are looking the main document. The supplement is available here <http://devresource.hp.com/STK/partner/pa64supp.pdf>. Dave -- J. David Anglin dave.anglin@nrc-cnrc.gc.ca National Research Council of Canada (613) 990-0752 (FAX: 952-6602)