Oppolzer - Informatik / Blog

We do this always in our site-specific startup and return macros for ASSEMBLER
programs; this way in save area trace, the program levels already returned show
up by odd return addresses. It can be of some help in strange situations, where
save area chains are partially destroyed.

Kind regards

Bernd



Am 21.10.2014 17:42, schrieb T.M.:
> On Tue, 21 Oct 2014 09:29:56 -0500, P.G. wrote:
>
>> I see in SYS1.MACLIB(RETURN):
>>
>>          OI    15(13),X'01'              SET RETURN INDICATION  01600000
>
> Yes, It is done after the registers are restored, and it is only if "T" is specified
> after the registers to be restored.
>
> <quote>
> ,T
> Causes the control program to flag the save area used by the called
> program. The low-order bit of word 4 of the save area is set to 1
> after the registers have been loaded; this designates that a called
> program has executed a return to its caller. Do not specify this
> parameter when returning control from an exit routine.
> </quote>
>
> I think that this is very old behavior. I doubt that the option is used much.
>

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