Date: Tue, 17 Dec 2002 12:58:39 -0800 From: Marcel Moolenaar <marcel@xcllnt.net> To: socketd <db@traceroute.dk> Cc: ia64@FreeBSD.ORG Subject: Re: Memory permissions Message-ID: <20021217205839.GA795@dhcp01.pn.xcllnt.net> In-Reply-To: <200212171016.gBHAGsOi017433@smtp030.tiscali.dk> References: <200212171016.gBHAGsOi017433@smtp030.tiscali.dk>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Dec 17, 2002 at 11:20:29AM +0100, socketd wrote: > > Hi all > > I have asked in hackers@ but got no answer, so I'll try here. > Within the thing we call "x86 compatible", we have ia32 and ia64 right? No. ia64 (formally known as IPF) is not compatible with ia32 (or i386). ia64 does have a ia32 compatibility mode that allows one to run ia32 binaries on ia64, but it's an emulation. > Ia32 doesn't support read AND execute permissions on the memory, as it sees > read and execute as the same thing. Has this changed in ia64, so we can > make non-executable heaps and stacks? Yes. ia64 has distinct attributes for read, write and execute. -- Marcel Moolenaar USPA: A-39004 marcel@xcllnt.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ia64" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021217205839.GA795>