[Vm-dev] oops to zero

[Bert Freudenberg]

On Sep 29, 2007, at 21:56 , Keith Hodges wrote:

> I am attempting to zero all ooP pointers before writng an image to  
> disk.
>
> I have added the following code to Interpreter-#writeImage:
>
> writeImageFile: imageBytes
>
> ...
>    self adjustAllOopsBy: (0 - memory).    self writeImageFileIO:  
> imageBytes.
>    self adjustAllOopsBy: memory.
> ...
>
> I managed to build a unix version of the vm with this change but it  
> did not work as hoped.
> Starting an image saved with this vm crashes giving a bus error.
>
> any ideas?

The base address is stored in the image, so before calling  
writeImageFileIO you would have to set memory to zero I guess.

- Bert -