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SubjectRe: kernel stack challenge
Hi, :-)

--- Martin Waitz <tali@admingilde.org> wrote:
> hi :)
>
> On Tue, Apr 06, 2004 at 04:17:34PM -0700, Sergiy
> Lozovsky wrote:
> > What? Give an example. I want something high
> level, so
> > Forth will not do. Sure, encapsulation is needed,
> to
> > protect kernel from pointer errors and so on.
>
> who says that the language that's used by your
> policy administrator
> is the same as the language interpreted by the
> kernel?
>
> let your administrator write his policy in java/lisp
> or whatever,
> but compile this policy into an easy to interpret
> and safe
> bytecode.

That will not give any benefits. LISP has internal
representation of program and data for sure
('bytecode'), but it is lists. How to unload it to
something one can move around? One of the ways -
unload it in a text form. But it exactly what initial
source code is. Parser of LISP is very small (because
syntax is simple), so producing some non standard
bytecode make no sense - source code of LISP is very
close to it's 'bytecode'.

Serge.

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