DMSSFHDR | Back to Index page

| Prolog Control Block Contents DMSSFHDR 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.

DMSSFHDR Prolog | Top of page

     NAME       : DMSSFHDR
     DESCRIPTION: Saved File Directory Header
     DSECT      : DMSSFHDR
     FUNCTION   : DSECT for Saved File Directory Header
     NOTES      : Macro Syntax - label   DMSSFHDR
     MNOTES      : None

DMSSFHDR Control Block Content | Top of page

     DMSSFHDR DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      DMSSFHDR       Saved File Directory Header
    0000    0 Character    1 SFHXNAME (8)   SHARED SEGMENT NAME
    0008    8 Character    1 SFHXDATE (8)   CREATION DATE C'MM/DD/YY'
    0010   16 Character    1 SFHXTIME (8)   CREATION TIME C'HH:MM:SS'
    0018   24 Bitstring    1 SFHXADTI (6)   CREATION TIME X'YYMMDDHHMMSS'
    0020   32 Address      4 SFHXADT        POINTER TO DISK ADT
    0024   36 Address      4 SFHXFST        POINTER TO DISK FST
    0028   40 Address      4 SFHXHMP        POINTER TO DISK HYPERBLOCK MAP
    002C   44 Address      4 SFHXSEGA       SEGMENT STARTING ADDRESS
    0030   48 Address      4 SFHXFBYT       ADDRESS OF FIRST UNUSED BYTE
    0034   52 Bitstring    1 SFHXDELM (8)   DELIMITER
              0000003C       SFHXSZ         *-DMSSFHDR ELEMENT SIZE

DMSSFHDR Storage Layout | Top of page

    *** DMSSFHDR - Saved File Directory Header
    *
    *     +-------------------------------------------------------+
    *   0 |                       SFHXNAME                        |
    *     +-------------------------------------------------------+
    *   8 |                       SFHXDATE                        |
    *     +-------------------------------------------------------+
    *  10 |                       SFHXTIME                        |
    *     +-----------------------------------------+-------------+
    *  18 |                SFHXADTI                 |/////////////|
    *     +---------------------------+-------------+-------------+
    *  20 |         SFHXADT           |         SFHXFST           |
    *     +---------------------------+---------------------------+
    *  28 |         SFHXHMP           |         SFHXSEGA          |
    *     +---------------------------+---------------------------+
    *  30 |         SFHXFBYT          |        SFHXDELM-          |
    *     +---------------------------+---------------------------+
    *  38 |          -(034)           | 3C
    *     +---------------------------+
    *
    *** DMSSFHDR - Saved File Directory Header

DMSSFHDR Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    SFHXADT        0020
    SFHXADTI       0018
    SFHXDATE       0008
    SFHXDELM       0034
    SFHXFBYT       0030
    SFHXFST        0024
    SFHXHMP        0028
    SFHXNAME       0000
    SFHXSEGA       002C
    SFHXSZ         0034 0000003C
    SFHXTIME       0010

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:36:05 EDT.
Copyright IBM Corporation, 1990, 2020