The following describes information that a programmer needs to know for developing the Data Extractor Module Resolution.
The exit can also be called late in the Job Step termination and find that the sampled application already terminated. In this case, the exit might find it impossible to resolve an address or even perform its termination function.
For both early and late calls, the exit can expect segment- or page-translation exceptions if it attempts to reference memory that has not been obtained yet. The exit should validate such addresses by checking for zeros and using the TPROT instruction to verify the address.
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