TRSBK Back to Index page
 
Prolog 
Control Block Contents 
   TRSBK 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.


  TRSBK Prolog Top of page
 
 NAME       : HCPTRSBK
 DESCRIPTION: TRACE SET BLOCK
 DSECT      : TRSBK
 FUNCTION   : HCPTRSBK CONTAINS ALL DESCRIPTIVE INFORMATION ABOUT A
              PARTICULAR TRACE SET CURRENTLY DEFINED BY THE TRACE
              COMMAND.
 LOCATED BY : TRSCYCLE  CHAINED
              TRXTRSET  FIELD IN HCPTRXBK
 CREATED BY : HCPTRINT, HCPTRIGO
 DELETED BY : HCPTRICL, HCPTRIX
 RELOCATION CONSIDERATIONS : None
 
 
  TRSBK Control Block Content Top of page
 

 TRSBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure TRSBK TRACE SET BLOCK 0000 0 Address 4 TRSCYCLE CYCLIC POINTER (NEXT TRACE SET IN CHAIN) 0004 4 Address 4 TRSANCHR ANCHOR FOR TRACE TRAPS IN TRACE SET 0008 8 Character 8 TRSNAME NAME OF THIS TRACE SET (MUST BE UNIQUE) 0010 16 Signed 2 TRSAUTO TRAP COUNT FOR AUTO-NAME PURPOSES 0012 18 Signed 2 * RESERVED FOR FUTURE IBM USE 0014 20 Address 4 TRSRETRN ADDR OF NEXT PREVIOUS SET FOR RETURN 0018 24 Bitstring 1 TRSFLAGS SET-SPECIFIC FLAGS 1... .... TRSPERES X'80' TRSPERES TXSUSPEND (PER event suppression) active X'7F' reserved for future use 0019 25 Bitstring 1 * reserved for future use 00000004 TRSSIZE (*-TRSBK+7)/8 NUMBER OF DOUBLEWORDS
 
 
  TRSBK Storage Layout Top of page
 
          
*** TRSBK - TRACE SET BLOCK
*
*     +---------------------------+---------------------------+
*   0 |         TRSCYCLE          |         TRSANCHR          |
*     +---------------------------+---------------------------+
*   8 |                       TRSNAME                         |
*     +-------------+-------------+---------------------------+
*  10 |  TRSAUTO    |/////////////|         TRSRETRN          |
*     +------+------+-------------+---------------------------+
*  18 |:FLAGS|//////|/////////////| 1C
*     +------+------+-------------+
*
*** TRSBK - TRACE SET BLOCK
 
 
  TRSBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
TRSANCHR       0004
TRSAUTO        0010
TRSCYCLE       0000
TRSFLAGS       0018
TRSNAME        0008
TRSPERES       0018 80
TRSRETRN       0014
TRSSIZE        0019 00000004
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:57:13 EDT.
Copyright IBM Corporation, 1990, 2022