On Thursday, October 13, 2011 4:13:10 pm Marcel Moolenaar wrote: > > On Oct 13, 2011, at 12:09 PM, Kostik Belousov wrote: > > > On Thu, Oct 13, 2011 at 11:30:12AM -0700, Marcel Moolenaar wrote: > >> > >> On Oct 13, 2011, at 11:20 AM, Kostik Belousov wrote: > >> > >>> The two commits removed NX support for .data/.bss for 32bit binaries > >>> Thon amd64. is is too unfortunate. Can we claim that only old > >>> Thbinaries need this hack ? > >> > >> I don't know. When did our ABI for i386 change to have NX by default? > > I think it changed de-facto when NX appears to be supported by hardware. > > In other words, PF_R->PF_X was always considered a coincident, and not > > a promise. > > That's really besides the point. ABI changes are made deliberately > and ABIs must be well-documented for anyone to adhere to it. You > can't post hoc wave your hand and say that at some unspecified time > in the past the ABI changed: at what precise time does "supported > by hardware mean" and how does that tie to a major FreeBSD version? > > Point in case: the JDK 1.4.x still works on FreeBSD 9.x (i386), so > the ABI really hasn't changed at all in that respect.
I think if you booted a FreeBSD 9.x i386 PAE kernel you'd find that the jdk did not work. That will be true for any i386 PAE kernel back to when PG_NX support was introduced. -- John Baldwin _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"