Mapping storage for the parameter list
IBM® supplies mapping macros to aid in constructing the SVC 99 parameter list. They are:
Mapping Macro | Purpose |
---|---|
IEFZB4D0 | Provides symbolic names (DSECTs) for the positional information in the structure. |
IEFZB4D2 | Provides mnemonics for the text units. |
The names in Figure 1 are those assigned by the macro IEFZB4D0. For a complete list of the fields mapped by IEFZB4D2 and IEFZB4D0, see z/OS MVS Data Areas in the z/OS Internet library.
Note: DYNALLOC stores only the information retrieval text units originally
specified by the caller and validated by the IEFDB401 exit routine
(see z/OS MVS Installation Exits).
Text units added or modified by IEFDB401 are not stored in the calling
program's storage.