Previous topic |
Next topic |
Contents |
Index |
Contact z/OS |
Library |
PDF
Contents of Registers z/OS Cryptographic Services ICSF System Programmer's Guide SA22-7520-17 |
|
The contents of the registers on entry to the callable service are:
The contents of the registers on exit from the callable service are:
Figure 9 shows an example of entry and exit code for a generic service. Figure 9. Example of a Service Entry and Exit
The example uses the instructions BAKR and PR to replace standard linkage. With these instructions, you no longer need to pass the save area in a register. If the callable service ends abnormally, ICSF takes a system dump. The ICSF service functional recovery routine (FRR) PROTECTS an installation-defined service. You can, however, write your own recovery routine. |
Copyright IBM Corporation 1990, 2014
|