[Vm-dev] I think I've found a bug in the 64-bit Squeak VM memory compactor

[ungar at mac.com]

Exactly!

On Jun 15, 2010, at 1:02 AM, John M McIntosh wrote:

> PS the reason why David thundered into this is because  
> 
> (a) on a 32bit system with 32bit image the oops start address is never zero, base is constant 0
> (b) on a 64bit system with 64bit image the oops start address is never zero, base is zero
> (c) on a 64bit system with 32bit image the oops start address is zero, offset by the mmap as the base
> (d) on a 32bit system with 64bit image the oops start address is never zero (and the image size would be less than the 32bit address range), base is constant zero
> 
> On 2010-06-14, at 10:00 AM, ungar at mac.com wrote:
> 
>> 
>> Friends, Romans, and SqueakVMers,
> 
> --
> ===========================================================================
> John M. McIntosh <johnmci at smalltalkconsulting.com>   Twitter:  squeaker68882
> Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
> ===========================================================================
> 
> 
> 
>