SDXBK | Back to Index page

| Prolog Control Block Contents SDXBK 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.

SDXBK Prolog | Top of page

     NAME       : HCPSDXBK
     DESCRIPTION: Stand-alone dump index record
     DSECT      : SDXBK
     FUNCTION   : The SDXBK describes the contents of the stand-alone dump
                  index record which is an optional header record in a dump.
                  It points to other optional stand-alone dump header records.
     LOCATED BY : DFMSDXBK field in DFMBK
     CREATED BY : Stand-alone dump writer when creating a stand-alone dump.
     DELETED BY : Not applicable
     REFERENCES : HCPDLJ - part of DUMPLD2
     SERIALIZED : Single-threaded nature of stand-alone dump program
     RELOCATION CONSIDERATIONS : None
     COMPATIBILITY AND MIGRATION CONCERNS : None
     NOTES      : - Must be 4K in length.

SDXBK Control Block Content | Top of page

     SDXBK DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      SDXBK          Stand-alone dump index record
    0000    0 Character   16 SDX_ID         "HCPSDXBK V1.0 "
    0010   16 Signed       4 * (6)          Reserved for IBM use
    0028   40 Signed       4 SDX_CF_Rec     First record of the config file
    002C   44 Signed       4 SDX_CF_Len     Number of records of the
                                            configuration file
    0030   48 Signed       4 SDX_Log_Rec    First record of the log file
    0034   52 Signed       4 SDX_Log_Len    Number of records for the log
                                            file
    0038   56 Signed       4 SDX_Stat_Rec   First record of the status file
    003C   60 Signed       4 SDX_Stat_Len   Number of records for the status
                                            file
    0040   64 Dbl-Word     8 * (8)          Reserved for more record pointers
    0080  128 Bitstring    1 * (3968)       Reserved for IBM use
              00000200       SDXBIZE        (*-SDXBK+7)/8 Size in double
                                            words
              00001000       SDXBSIZE       SDXBIZE*8 Size in bytes

SDXBK Storage Layout | Top of page

    *** SDXBK - Stand-alone dump index record
    *
    *     +-------------------------------------------------------+
    *   0 |                        SDX_ID                         |
    *     |                                                       |
    *     +-------------------------------------------------------+
    *  10 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +---------------------------+---------------------------+
    *  28 |        SDX_CF_REC         |        SDX_CF_LEN         |
    *     +---------------------------+---------------------------+
    *  30 |       SDX_LOG_REC         |       SDX_LOG_LEN         |
    *     +---------------------------+---------------------------+
    *  38 |       SDX_STAT_REC        |       SDX_STAT_LEN        |
    *     +---------------------------+---------------------------+
    *  40 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  80 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *1000
    *
    *** SDXBK - Stand-alone dump index record

SDXBK Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    SDX_CF_Len     002C
    SDX_CF_Rec     0028
    SDX_ID         0000
    SDX_Log_Len    0034
    SDX_Log_Rec    0030
    SDX_Stat_Len   003C
    SDX_Stat_Rec   0038
    SDXBIZE        0080 00000200
    SDXBSIZE       0080 00001000

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:30:24 EDT.
Copyright IBM Corporation, 1990, 2020