When VTAM® passes control to the session accounting exit routine, register contents are as follows:

Register 0:

X'00000000' if a session has been established; X'FFFFFFFF' if a session has been terminated

Register 7:

Address of the doubleword containing the name of the PLU

Register 11:

Address of the doubleword containing the name of the SLU

Register 13:

Address of a standard 72-byte save area

Register 14:

Return address

Register 15:

Address of the entry point of this routine