Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

USAVE

Prolog  

Control Block Contents  
   USAVE DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

USAVE Prolog

 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

USAVE DSECT

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

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

USAVE Cross Reference

Symbol         Dspl Value
-------------- ---- -----
USAVESZ        0000 0000000C
This information is based on z/VM V4R2.0.
Last updated on 18 Oct 2001 at 11:29:51 EDT.
Copyright IBM Corporation, 1990, 2001