Input parameters to the external security product router

On entry to ICHRFR00, register 1 contains the address of the following area:

Table 1. Input Parameters to the External Security Product Router
Offset Length Description
0 4 Paramater list address - points to the RACROUTE parameter list (mapped by macro ICHSAFP). See data area SAFP in z/OS Security Server RACROUTE Macro Reference and z/OS MVS Data Areas in the z/OS Internet library.
4 4 Work area address - points to a 152-byte work area that the module can use.

For more information, see z/OS Security Server RACROUTE Macro Reference and see z/OS MVS Data Areas in the z/OS Internet library.