Register contents when Exit 41 gets control

The contents of the registers on entry to this exit are:

Register

Contents

0

Zero

1

Pointer to a parameter list with the following structure, mapped by $XPL:

Field Name: Description
XPLID: The eyecatcher
XPLLEVEL: The version level of $XPL
XPLXITID: The exit ID number
X041IND: Indicator byte
X041COND: Condition byte
X041RESP: Response byte
X041GGKT: Address of the grouping keys table. The table is mapped by the SJTRKEYL DSECT in the IEFSJTRP parameter list. See z/OS MVS Programming: Assembler Services Reference ABE-HSP for more information about IEFSJTRP.
X041DEFN: Number of defined entries in the grouping keys table. If the exit changes the number of defined entries, it must update this field.
X041TOTN: Total number of entries in the grouping keys table, including defined entries and entries reserved for additional keys.
X041RSVN: Number of entries reserved for additional keys.
X041JDVT: JDVT name

2-10

N/A

11

Address of the $HCCT

12

N/A

13

Address of an available save area

14

Return address

15

Entry address