USAVE | Back to Index page

| Prolog Control Block Contents USAVE 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.

USAVE Prolog | Top of page

     NAME       : SVCSAVE
     DESCRIPTION: User Save Area
     DSECT      : USAVE
     FUNCTION   : USAVE is used by DMSITS to allocate and free
                  save areas for other routines during SVC
                  processing; it is pointed to by the USAVEPTR
                  field in SSAVE.

USAVE Control Block Content | Top of page

     USAVE DSECT
    Top of page

    Hex   Dec Type/Val   Lng Label (dup)    Comments
    ---- ---- --------- ---- -------------- --------
    0000    0 Structure      USAVE          User Save Area
          THIS IS A SCRATCH AREA PASSED TO USER WITH POINTER IN REGISTER 13.
    0000    0 Dbl-Word     8 * (12)
              0000000C       USAVESZ        (*-USAVE+7)/8 SIZE OF USER SAVE
                                            AREA

USAVE Storage Layout | Top of page

    *** USAVE - User Save Area
    *
    *     +-------------------------------------------------------+
    *   0 |///////////////////////////////////////////////////////|
    *     =///////////////////////////////////////////////////////=
    *     |///////////////////////////////////////////////////////|
    *     +-------------------------------------------------------+
    *  60
    *
    *** USAVE - User Save Area

USAVE Cross Reference | Top of page

    Symbol         Dspl Value
    -------------- ---- -----
    USAVESZ        0000 0000000C

This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:36:41 EDT.
Copyright IBM Corporation, 1990, 2020