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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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Newsgroups: comp.lang.ada
Subject: Re: Arbitrary Sandbox
Date: Wed, 07 Mar 2012 06:43:49 +0100
Organization: Ada @ Home
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Date: 2012-03-07T06:43:49+01:00
List-Id: <comp.lang.ada>

Le Tue, 06 Mar 2012 02:06:06 +0100, Randy Brukardt <randy@rrsoftware.com=
>  =

a =C3=A9crit:
> As far as "software" and "paging" being able to do anything, this make=
s  =

> no
> sense at all. Pages on the x86 architecture don't (or at least didn't =
 =

> until
> fairly recently) have any memory permissions associated with them, so =
it  =

> was
> impossible to use that to prevent executing data. Moreover, Unix-deriv=
ed
> file formats had no practical way to tell the OS what was not executed=
  =

> (and
> the little information that exists was not used in any Unix or Windows=

> system that I worked on prior to XPsp3).
What changed with SP3?

-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D [1]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [1]
[1]: Epigrams on Programming =E2=80=94 Alan J. =E2=80=94 P. Yale Univers=
ity