[Info-vax] EXEC mode stack

[Stephen Hoffman]

On 2016-02-23 00:02:10 +0000, Lee Gleason said:

>   I'm working on a hobby project on VAX/VMS 7.3. I have a slug of code 
> that needs to run in EXEC mode. Does anyone know what the default size 
> of the EXEC mode stack is? And is there a way to change that size? I 
> think I may be running out.

It's located via CTL$GL_STACK+4 (that's an array of pointers to the 
four stacks), and the exec stack is sixteen pages.

Off hand, I don't know of a way to change the OpenVMS VAX exec stack 
size, short of allocating exec-writable memory and redirecting the 
stack elsewhere.


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