z/OS DFSMS Using Data Sets
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Register Contents

z/OS DFSMS Using Data Sets
SC23-6855-00

Table 1 gives the contents of the registers when VSAM exits to the EODAD routine.

Table 1. Contents of registers at entry to EODAD exit routine
Register Contents
0 Unpredictable.
1 Address of the RPL that defines the request that occasioned VSAM's reaching the end of the data set. The register must contain this address if you return to VSAM.
2-13 Unpredictable. Register 13, by convention, contains the address of your processing program's 72-byte save area, which must not be used as a save area by the EODAD routine if it returns control to VSAM.
14 Return address to VSAM.
15 Entry address to the EODAD routine.

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