[Info-vax] VAX VMS going forward

Simon Clubley clubley at remove_me.eisner.decus.org-Earth.UFP
Fri Jul 31 08:32:28 EDT 2020


On 2020-07-30, Stephen Hoffman <seaohveh at hoffmanlabs.invalid> wrote:
> On 2020-07-30 23:24:25 +0000, John Reagan said:
>
>> How can you tell where you code lives or how much you can have?
>> 
>> The biggest limited of OpenVMS (which traces its way back to Macro) is 
>> that the stack is in 32-bit space.  I don't think there is ANY way to 
>> tell the image activator to allocate it anywhere else.  And if you do 
>> can, you won't get very far.
>
> AFAIK, the code all has to live in P0.
>
> As for how much?  Same as on RSX-11M; by something blowing out.
>
> I find myself both very impressed with the current V7.0 memory 
> management design, and horrified.
>

Agreed. On the plus side, at least they didn't implement TKB overlays
instead. :-)

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.



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