SDMBK Back to Index page
 
Prolog 
Control Block Contents 
   SDMBK 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.


  SDMBK Prolog Top of page
 
 NAME       : HCPSDMBK
 DESCRIPTION: SNAP DATA MAP BLOCK
 DSECT      : SDMBK
 FUNCTION   : A SDMBK DESCRIBES THE SNAP LIST DATA THAT IS CONTAINED
              IN THE SNAP BUFFERS OF THE SOFT ABEND DUMP. INCLUDED
              IN THE MAP IS A COPY OF THE PARAMETER LIST THAT WAS
              PASSED TO THE SOFT ABEND PROCESSOR.
 LOCATED BY : SAMSDMBK FIELD IN HCPSAMBK
  TILIZED BY - THE SOFT ABEND PROCESSOR (HCPABN)
 DELETED BY : N/A
 SERIALIZED : THE SOFT ABEND LOCK (HCPABNLK)
 RELOCATION CONSIDERATIONS : None
 
 
  SDMBK Control Block Content Top of page
 

 SDMBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure SDMBK SNAP DATA MAP BLOCK 0000 0 Character 8 SDMBKID EYECATCHER FOR IDENTIFICATION 0008 8 Signed 4 SDMBKLST (0) START OF VARIABLE LENGTH DATA 0008 8 Dbl-Word 8 SDMRID Requested address of the Snap ID from SDPL (host real or logical) 0010 16 Bitstring 1 SDMFLAG Flag byte .1.. .... SDMADT X'40' SDMADT Snap ID and Data address type On = host real, Off = host logical 0011 17 Bitstring 1 SDMRIDLN REQUESTED LENGTH OF SNAP ID (0:32) FROM THE SDPL 0012 18 Signed 2 SDMRDALN REQUESTED LENGTH OF SNAP DATA FROM THE SDPL 0014 20 Address 4 SDMSID Saved address of Snap ID (logical) 0018 24 Address 4 SDMSDA Saved addr of Snap Data (logical) 001C 28 Bitstring 1 SDMSERR ERROR FLAGS 1... .... SDMINCP X'80' SDMINCP ID STARTS OR END IN A NON-CP PAGE .1.. .... SDMDNCP X'40' SDMDNCP DATA STARTS OR END IN A NON-CP PAGE ..1. .... SDMSBFL X'20' SDMSBFL SAVE BUFFER IS FULL, DATA MAY BE PARTIALLY SAVED 001D 29 Bitstring 1 SDMSIDLN SAVED LENGTH OF SAVED SNAP ID (0:32) 001E 30 Signed 2 SDMSDALN SAVED LENGTH OF SAVED SNAP DATA 0020 32 Dbl-Word 8 SDMRDA Requested address of Snap Data from SDPL (host real or logical) 00000020 SDMENTLN *-SDMRID LENGHT OF SNAP DATA MAP LIST ENTRY 00000028 SDMBKLN *-SDMBK LENGTH OF SNAP DATA MAP LIST ENTRY AND THE EYECHATCHER 0028 40 Signed 4 SDMNEXT (0) NEXT SNAP DATA MAP LIST ENTRY
 
 
  SDMBK Storage Layout Top of page
 
          
*** SDMBK - SNAP DATA MAP BLOCK
*
*     +-------------------------------------------------------+
*   0 |                       SDMBKID                         |
*     +-------------------------------------------------------+
*
*** SDMBK - SNAP DATA MAP BLOCK
          
*** Overlay for SDMBKLST in SDMBK
*
*     +-------------------------------------------------------+
*   8 |                        SDMRID                         |
*     +------+------+-------------+---------------------------+
*  10 |:FLAG |:RIDLN|  SDMRDALN   |          SDMSID           |
*     +------+------+-------------+------+------+-------------+
*  18 |          SDMSDA           |:SERR |:SIDLN|  SDMSDALN   |
*     +---------------------------+------+------+-------------+
*  20 |                        SDMRDA                         |
*     +-------------------------------------------------------+
*
*** Overlay for SDMBKLST in SDMBK
 
 
  SDMBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
SDMADT         0010 40
SDMBKID        0000
SDMBKLN        0020 00000028
SDMBKLST       0008
SDMDNCP        001C 40
SDMENTLN       0020 00000020
SDMFLAG        0010
SDMINCP        001C 80
SDMNEXT        0028
SDMRDA         0020
SDMRDALN       0012
SDMRID         0008
SDMRIDLN       0011
SDMSBFL        001C 20
SDMSDA         0018
SDMSDALN       001E
SDMSERR        001C
SDMSID         0014
SDMSIDLN       001D
 
This information is based on z/VM 7.1.0 Last updated on 22 Jun 2018 at 11:52:19 EDT.
Copyright IBM Corporation, 1990, 2018