[arch-general] ASLR and PIE wider adoption.

[Leonid Isaev]

On Mon, 16 Apr 2012 15:37:13 +0100
Kevin Chadwick <ma1l1ists at yahoo.co.uk> wrote:

> On Mon, 16 Apr 2012 11:58:36 +0200
> Lukáš Jirkovský wrote:
> 
> > (especially on 32bit).
> 
> 
> Slightly on 32bit and almost no difference on 64bit. OpenBSD uses PIEs
> everywhere and my x86 users say everythings much quicker than Windows.
> 
> Fair enough though as long as you do have a good understanding of the
> real difference to users. I'm quite happy, it would just be better all
> round.
> 
> Phones have very litle resources and despite the bull that many believe,
> an x86 cycle is not even close to an arm cycle and yet Android now
> uses PIE for better ASLR. Please don't bring up geekbench or coremark
> as that's a crock for cross architecture if you look at the stated
> caveats by coremark or details and results by geekbench. Your better of
> measuring in time to accomplish something.
> 
> I read in a forum which was completely unsubstantiated that Google
> avoided PIE for chrome due to javascript speed. Chromium runs just fine
> on OpenBSD also.
> 
> Alpine uses ulibc for size and speed and still PIE.

+1 for all arches. However, some programs will fail to build straightforwadly,
e.g. evince, cpupower, claws-mail.

-- 
Leonid Isaev
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Fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
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