Method of Operation
This section
procedures fer V8/370: describes
genera ting • Update procedure • Nucleus loading facility
the following
and updating • The MACLIB generation facility
Figure 7-1 shows the relationship of the
diagrams. Diagra. 7-1 shows the :ajor functions of
the V8FAS8 procedure. Diagram 7-2 shows the initialization of
the VMFASM procedure. Diagram 7-3 describes the assembling portion of the VMFASM procedure. Diagram program. 7-4 describes the VMFDATE Diagraa 7-5 describes the major functions of the DMSUPD (update) progra=. Diagram 7-6 describes the operand and
option checking for the Update program. tiagram 7-7 describes the multiple level
update procedure. tiagram 7-8 describes the processing cf
control records for the Update program. Diagram 7-9 describes the single level
update procedure.
Diagram 7-10 shows how inserting is
done. Diagram 7-11 describes the exit procedure for the Update program. Diagram 7-12 describes the .odule load
program.
Diagram 7-13 describes the Frocedure
that builds the 8ACLIB. Diagram 7-14 describes the major functions of the GENERATE procedure. Diagra= 7-15 describes the CP pcrtion of
the GENERATE procedure.
Chapter 7. Procedures for Generating and Updating V!/370 129

Diagram 7·1 Diagram 7·12 Diagram 7·13 Diagram 7·14 Overview of the
The Nucleus VMFMAC-
Assembler
Load
Macro Library
The GENERATE
Update
Program
Creation Procedure
Procedure Program I I I I Diagram 7·2 Diagram 7·3 Diagram 7·15 Initialization of
Assembling
Generating a
Portion of the
the VMFASM VMFASM CP System Procedure
Procedure 1 I Diagram 7-4 Diagram 7·5 Overview of the
The VMFDATE Update
Program (DMSUPD) Program I I , Diagram 7·6 Diagram 7·7 Diagram 7·9 Diagram 7·11 Operand and Multiple Single Exit
Option Update Update
Processing
Checking
Procedure Procedure I Diagram 7-8 Diagram 7·10 Control Record Inserting Processing Updates
Figure 7-1. Key to the Procedures for Generating and Updating !ethod of CFeraticn Diagrams 130 IBM VM/310 Service Routines Program Logic