| Programming Interface Information: This information is NOT intended to be used as Programming Interfaces of z/VM. | 
TRDBK
Control Block Contents  
   TRDBK DSECT
Cross Reference (Contains links to field and bit definitions)
TRDBK Prolog
 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
TRDBK Control Block Content
TRDBK DSECT
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' DISPLAY A TRACESET
          .1.. ....      TRDID          X'40' DISPLAY A TRACEID
          .... 1...      TRDNODRP       X'08' NOT DROP PROCESSING
          .... .1..      TRDQUERY       X'04' 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
          
*** TRDBK - TRACEID/TRACESET DISPLAY CHAIN ENTRY
*
*     +---------------------------+------+--------------------+
*   0 |         TRDFPTR           |TRDOPT|////////////////////|
*     +---------------------------+------+--------------------+
*   8 |                       TRDNAME                         |
*     +-------------------------------------------------------+
*  10
*
*** TRDBK - TRACEID/TRACESET DISPLAY CHAIN ENTRY
TRDBK Cross Reference
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
Copyright IBM Corporation, 1990, 2002