On Thu, 5 Sep 2019 04:54:02 +0000, Jon Perryman wrote:

>>SVC allows you to execute authorized code in YOUR address space.

I should have said "SVC invokes a system service that runs in 
Supervisor state in your address space."

>>It does not allow you to execute code in any arbitrary address space. 
>
>There is no YOUR address space.

Really? Your address space is the address space in which your 
program is running.

>E.g. Getmain belongs to RSM but run authorized in any address 
>space that uses the getmain macro.

ITYM VSM. And GETMAIN does not "run authorized", but it invokes a 
system service that runs in Supervisor state. It isn't the same thing.

-- 
Tom Marchant

----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN

Reply via email to