The registers contain the following on entry to Exit 8:
- Register
- Contents
- 0
- A pointer to a parameter list with the following structure,
mapped by $XPL:
- Field Name
- Description
- XPLID
- The eyecatcher
- XPLLEVEL
- Maintenance level
- XPLXITID
- Exit number
- XPLXLEV
- Version Number
- XPLCOND
- Condition byte JES2 sets the condition byte with one of the
following bit settings:
- X008CBWR
- Control block is to be written
- X008CBUN
- Unknown control block read
- X008CBIN
- Invalid control block read
- X008FSSM
- CBIO performed by FSSM
- XPLRESP
- Response byte
- XPLSIZE
- Length of parameter list
- X008CBID
- The 4-character EBCDIC control block identifier
- 1
- Address of the control block
- 2-10
- N/A
- 11
- Address of the $HCCT
- 12
- N/A
- 13
- Address of an OS-style save area
- 14
- Return address
- 15
- Entry address
z/OS JES2 Installation Exits
Copyright IBM Corporation 1990, 2014