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Output register information z/OS MVS Programming: Callable Services for High-Level Languages SA23-1377-02 |
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When control returns to the caller, the GPRs contain:
When control returns to the caller, the ARs contain:
Some callers depend on register contents remaining the same before and after issuing a call. If the system changes the contents of registers on which the caller depends, the caller must save them before calling the service, and restore them after the system returns control. |
Copyright IBM Corporation 1990, 2014
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