CHGBK

Prolog  

Control Block Contents  
   CHGBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

CHGBK Prolog

 NAME       : HCPCHGBK
 DESCRIPTION: External Symbol Dictionary Change Block
 DSECT      : CHGBK
 FUNCTION   : Remember the changes requested during CPXLOAD command
              indicated by the LKED directive CHANGE
 LOCATED BY : LABK.LABCHQ
              CHGBK.CHGFWD
 CREATED BY : HCPCLO while processing CPXLOAD command
 DELETED BY : HCPCLO while processing CPXLOAD command
 SERIALIZED : None.
 RELOCATION CONSIDERATIONS : None

CHGBK Control Block Content

CHGBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      CHGBK          External Symbol Dictionary Change Block
0000    0 Address      4 CHGFWD         A( next CHGBK )
0004    4 Signed       4 *              Reserved for future IBM use
0008    8 Character    8 CHGOLDNM       The ESD name to be changed
0010   16 Character    8 CHGNEWNM       Changed to this. If this field
                                        starts with the first byte x'00',
                                        then we mean that the ESD is to
                                        be deleted
0018   24 Dbl-Word     8 CHG$END (0)    The end

CHGBK Storage Layout

          
*** CHGBK - External Symbol Dictionary Change Block
*
*     +---------------------------+---------------------------+
*   0 |          CHGFWD           |///////////////////////////|
*     +---------------------------+---------------------------+
*   8 |                       CHGOLDNM                        |
*     +-------------------------------------------------------+
*  10 |                       CHGNEWNM                        |
*     +-------------------------------------------------------+
*
*** CHGBK - External Symbol Dictionary Change Block

CHGBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
CHG$END        0018
CHGFWD         0000
CHGNEWNM       0010
CHGOLDNM       0008