Mike Frysinger napsal(a): > On Tuesday 05 January 2010 22:26:44 Serge E. Hallyn wrote: >> Quoting Jiri Palecek ([email protected]): >>> Michal, I suspect the failures you see are somehow related to >>> alignment (that your architecture doesn't like odd addresses). Is >>> that right? Under x86, the address gets aligned (so some of the >>> space is unused). >>> >>> Perhaps both of these behaviors should be tested by LTP? >> >> Gah, yes, Nathan had mentioned arches where this matters (including >> some power?). Nathan, did you have a generic fix for this in >> userspace? Should always be safe to do >> (stack + stack_size - 1)& ~0xf >> ? > > (sizeof(long double)-1) would probably be better than 0xf
sizeof(long double) is not a power of 2 (at least on 386), so this wouldn't probably work. glibc hardcodes the alignment (to 16 on most arches). Jiri Palecek ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
