From: Skip Tavakkolian <skip.tavakkolian@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] JIT (mostly off topic)
Date: Tue, 9 Sep 2014 15:18:37 -0700 [thread overview]
Message-ID: <CAJSxfmJ82J_efG_1kZ-PF_n6B9hwba+rNp4Lrz432XqDRgu1yg@mail.gmail.com> (raw)
In-Reply-To: <5027045b88fe7d178a0926131e4205f1@quintile.net>
a version of pico (holzmann) for VAX by ken and rob used this
technique. rsc did a version of pico where the repl just "compiles"
pico into C, then compiles and runs it.
On Tue, Sep 9, 2014 at 2:45 PM, Steve Simon <steve@quintile.net> wrote:
> Years ago The Commander and Bart Locanthi used JIT
> in the form of some C that write machine code into an
> array of chars, cast it to a function pointer, and called it.
> (I appologise if the details are not correct but this is the idea).
>
> I have a need for such a thing again - trying to speed up
> a compressed video decoder.
>
> Anyone done such a thing this millenium? Does the x86 data execution
> prevention mean you just cannot do this - my targets are desktop OSs
> other than plan9 (sadly).
>
> -Steve
>
next prev parent reply other threads:[~2014-09-09 22:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 21:45 Steve Simon
2014-09-09 22:04 ` Aram Hăvărneanu
2014-09-09 22:09 ` Daniel Peyrolon
2014-09-09 22:18 ` Skip Tavakkolian [this message]
2014-09-09 23:53 ` Rob Pike
2014-09-10 4:48 ` Bakul Shah
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