Regardless of the meaning of "standard", IBM does provide the IHASAVER
macro to assist with those choices.

I routinely make save areas 18D (or update from 18F) these days.

sas

On Sun, Jun 11, 2017 at 1:05 PM, Peter Relson <rel...@us.ibm.com> wrote:

> >And unfortunately there are now six or so variants
> >of "standard" linkage, hence this thread ...
>
> I might instead say that there is one and only one standard linkage and
> that it applies only when neither ARs nor 64-bit GRs (whether AMODE 64 or
> not) are involved.
>
> And we all know how that 72-byte savearea is mapped.
>
> Once you get beyond the bounds of that savearea, there is no standard,
> there are instead choices.
>
> Peter Relson
> z/OS Core Technology Design
>



-- 
sas

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