Register contents when Exit 57 gets control

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

Register

Contents

0

Not applicable to Exit 57

1

Parameter List Address having the following structure:

Field Name

XPLID

Eyecatcher ('$XPL')

X057VERN

Indicates the version number of Exit 57

XPLXITID

Exit identifier - 57

XPLEXLEV

Version level of the exit

X057IND

Indicates the type of NJE data area JES2 passed to Exit 57 for processing. A value of:

X057HDR: Indicates an NJE job header was passed to Exit 57 for processing.
X057TRL: Indicates an NJE job trailer was passed to Exit 57 for processing.
X057DSH: Indicates an NJE data set header was passed to Exit 57 for processing
X057RCCS: Indicates an NJE RCCS header was passed to Exit 57 for processing.
X057BJQE: Indicates that the JQE address in field X057JQE points to a working copy of the JQE that has not yet been added to the job queue. The working copy should not be used in services that expect the address of a real JQE.

X057COND

Condition byte.

X057RESP

Response byte.

X057HADR

Contains the address of the NJE data area.

(Reserved field)

This field is reserved for Exit 57 to keep the same offsets of the XPL mapping as Exit 47. This value is always zero for Exit 57.

X057JQE

Contains the address of an update mode JQA.

X057JCT

Contains the address of the $JCT.

X057PDDB

Contains the address of the $PDDB if Exit 57 is processing an NJE data set header. If Exit 57 is processing an NJE job header or trailer, a 0 is passed as the address.

X057AREA

Contains the address of the NJEWORK area (JRW or SRW) for the receiver.

X057SIZE

Indicates the length of the $XPL parameter list for Exit 57.

2-10

Not applicable

11

Address of the HCCT

12

Not applicable

13

Address of the save area

14

The return address

15

Entry point address of Exit 57