Yes and yes...use ObjectMemory>>pushRemappableOop: and
ObjectMemory>>popRemappableOop for oops that you need to hold across an
object allocation (which can trigger gc and memory compaction). 

- Stephen


> -----Original Message-----
> From: squeak-dev-admin at lists.squeakfoundation.org 
> [mailto:squeak-dev-admin at lists.squeakfoundation.org] On 
> Behalf Of Arjen van Elteren
> Sent: Friday, August 02, 2002 6:31 PM
> To: squeak-dev at lists.squeakfoundation.org
> Subject: plugin code and garbage collection
> 
> 
> Hi,
> 
> I'm playing with building my own plugin. In this code objects are 
> instanciated and linked up, filling the reciever
> object of the primitive function. These questions came up... 
> Will the gc 
> run during object creation ?. Will OOPs change when a gc runs 
> during these 
> operations ?
> 
> Arjen
> 
> 
> 
>