On Thu, Apr 15, 2004 at 12:27:29AM +0200, Kurt Roeckx wrote: > > What I'm unclear of is that amd64 appears to be alone in actually > > requiring pages containing executable code to be mprotected > > |=PROT_EXEC. This is now done by default on startup for all > > architectures. > > It's required? I really have no idea about this. I think the AMD64 machine architecture includes a separate protection bit for execute and read, unlike x86 and most other systems. (This is what they're talking about when you see ads that trumpet Athlon64's superior virus-repelling powers with recent versions of windoze...) -- #define X(x,y) x##y Peter Cordes ; e-mail: X(peter@cor , des.ca) "The gods confound the man who first found out how to distinguish the hours! Confound him, too, who in this place set up a sundial, to cut and hack my day so wretchedly into small pieces!" -- Plautus, 200 BC
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