When might a CodeBuffer be moved?

[Gary Benson]

Oh, that's excellent news.  Now to figure out if I can use it! ;)

Cheers,
Gary

Tom Rodriguez wrote:
> CodeBlobs are never moved automatically by anything.  CodeBuffers
> have support for resizing the code generation buffer by moving the
> instructions from one CodeBlob to a new larger one but you have to
> ask for that using maybe_expand_to_ensure_remaining.  nmethod can
> be reclaimed by the sweeper once they are no longer referenced as
> a result of being made not entrant or zombie.
>
> tom
>
> On Jun 10, 2009, at 6:55 AM, Gary Benson wrote:
> > Hi all,
> >
> > I know CodeBuffers aren't moved by the garbage collector, but can
> > they move at all?  I remember someone (Steve Goldman?) telling me
> > about a code compactor once, but can't remember the details.  Can
> > a code buffer move at any safepoint?
> >
> > Cheers,
> > Gary
> >
> > -- 
> > http://gbenson.net/