[webkit-dev] Regarding SquirrelFish Extreme JIT portability...

Mike Hommey mh+webkit at glandium.org
Sun Sep 21 22:32:15 PDT 2008

On Sun, Sep 21, 2008 at 03:10:41PM -0700, Maciej Stachowiak wrote:
> On Sep 21, 2008, at 12:50 PM, Paul Pedriana wrote:
> > In reading Maciej Stachowiak's page at
> > http://webkit.org/blog/214/introducing-squirrelfish-extreme/, it talks
> > about native code generation and platform support. I would like to  
> > point
> > out that some platforms do not allow runtime native code generation,
> > either due to hardware restrictions or due to licensing requirements  
> > of
> > the hardware vendor. In either case it is usually due to
> > security-related reasons. So the ability for JavaScript to continue to
> > work indefinitely without native code generation would be necessary if
> > it is to remain portable.
> We're not planning to remove the non-JIT code path any time soon.

BTW, are both code paths available and selectable at run-time? (for
instance, when PAX is enabled, one would want to automatically have the
non-JIT code path)


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