CA Dynam for VSE User Guide

Test Program Generator - DYNATEST
DYNACC Version 2 differs in DYNAEXIT processing from Version 1 in the
following way: For Version 1, R0 on entry pointed to an area containing the
callers registers R2 through R15. It should be noted that R0 now points to the
save area containing all registers. The user needs to note the change to an
IBM standard save area format and the consequent change in offsets to
particular registers. This change will only impact callers using Version 2
parameter lists, as a Version 1 parameter list will cause the original service
module to be invoked, which will continue to store the registers in the old
manner.
DYNEEXIT Catalog Logical Error Exit
This exit is activated by including a user exit module called DYNEEXIT with the
DYNACC root module when the user application program is link edited. Upon
entry to the user's exit, the following conditions will exist:
R0
R1
R2
R13
R14
R15
points to the save area provided by the caller on entry to DYNACC. This is
assumed to be a standard format save area of 72 bytes. DYNACC stores the
caller's registers R14 through R12, starting at offset decimal 12 on entry from
the calling program. This save area may be used by the exit to obtain
addressability to code and data in the caller's program.
points to the Catalog Management parameter list.
contains the Catalog Management function code.
points to a standard format save area in which the exit must save its registers
on entry and restore them on exit. The first three words contain save area
chain pointers and should not be changed.
will point to the return address in CA Dynam.
will point to the user exit entry point and may be used to obtain addressability.
Test Program Generator - DYNATEST
DYNATEST Functions
DYNATEST is a macro which generates an assembler program to access the CA
Dynam Catalog using either the Version 1 or Version 2 format parameter list.
The program is executable either on VM or VSE.
10–18 User Guide