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 Tom Marchant:
On Tue, 21 Oct 2014 09:29:56 -0500, Paul Gilmartin wrote:I see in SYS1.MACLIB(RETURN): OI 15(13),X'01' SET RETURN INDICATION 01600000Yes, 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.
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