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