z/OS DFSMS Installation Exits
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Registers on Entry to the IGXMSGEX Exit Routine

z/OS DFSMS Installation Exits
SC23-6850-01

Register
Contents
0
Not applicable
1
Address of the tape cartridge message display parameter list
2-12
Not applicable
13
Address of a save area
14
Return address to the calling program
15
Address of the entry point to IGXMSGEX
Parent topic: Characteristics of the IGXMSGEX Exit Routine

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