TRDBK Back to Index page
 
Prolog 
Control Block Contents 
   TRDBK DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  TRDBK Prolog Top of page
  
 NAME       : HCPTRDBK
 DESCRIPTION: TRACEID/TRACESET DISPLAY CHAIN ENTRY
 DSECT      : TRDBK
 FUNCTION   : THE TRDBK IS AN ENTRY IN A CHAIN OF EITHER
              TRACEID NAMES OR TRACESET NAMES.  IT ALLOWS
              TRSOURCE DISPLAY PROCESSING TO PROCESS
              REQUESTS FROM EITHER THE TRSOURCE DISPLAY
              PARAMETER OR FROM QUERY TRSOURCE IN THE ORDER
              THAT IT WAS REQUESTED.
 LOCATED BY : TXCTRDBK
 CREATED BY : HCPTXR, HCPTXQ, HCPTXS
 DELETED BY : HCPTXS
 RELOCATION CONSIDERATIONS : None
 
 
  TRDBK Control Block Content Top of page
  




 TRDBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      TRDBK          TRACEID/TRACESET DISPLAY CHAIN ENTRY
0000    0 Address      4 TRDFPTR        FORWARD POINTER TO NEXT ENTRY
0004    4 Bitstring    1 TRDOPT         TYPE OF CHAIN
          1... ....      TRDSET         X'80' TRDSET DISPLAY A TRACESET
          .1.. ....      TRDID          X'40' TRDID DISPLAY A TRACEID
          .... 1...      TRDNODRP       X'08' TRDNODRP NOT DROP
                                        PROCESSING
          .... .1..      TRDQUERY       X'04' TRDQUERY QUERY TRSOURCE
0005    5 Bitstring    1 * (3)          RESERVED
0008    8 Character    8 TRDNAME        TRACESET OR TRACEID NAME
          00000010       TRDSIZEB       (*-TRDBK) TRDBK SIZE IN BYTES
          00000002       TRDSIZE        (*-TRDBK+7)/8 TRDBK SIZE IN
                                        DOUBLEWORDS
 
 
  TRDBK Storage Layout Top of page
  
          
*** TRDBK - TRACEID/TRACESET DISPLAY CHAIN ENTRY
*
*     +---------------------------+------+--------------------+
*   0 |         TRDFPTR           |TRDOPT|////////////////////|
*     +---------------------------+------+--------------------+
*   8 |                       TRDNAME                         |
*     +-------------------------------------------------------+
*  10
*
*** TRDBK - TRACEID/TRACESET DISPLAY CHAIN ENTRY
 
 
  TRDBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
TRDFPTR        0000
TRDID          0004 40
TRDNAME        0008
TRDNODRP       0004 08
TRDOPT         0004
TRDQUERY       0004 04
TRDSET         0004 80
TRDSIZE        0008 00000002
TRDSIZEB       0008 00000010
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:57:10 EDT.
Copyright IBM Corporation, 1990, 2022