| Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. | 
VRCHAIN
Control Block Contents  
   VRCHAIN DSECT
Cross Reference (Contains links to field and bit definitions)
VRCHAIN Prolog
 NAME       : HCPVRCHN
 DESCRIPTION: V=R RESERVED FRAME STACK POINTER MAPPING
 DSECT      : VRCHAIN
 FUNCTION   : MAPS THE POINTERS FROM ONE FRAME TO THE NEXT IN THE V=R
              RESERVED FRAME STACK.
 LOCATED BY : SYSVRRVM       ANCHOR OF THE V=R RESERVED FRAME STACK
 CREATED BY : HCPIST - DURING SYSTEM INITIALIZATION
 DELETED BY : NONE
VRCHAIN Control Block Content
VRCHAIN DSECT
Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      VRCHAIN        V=R RESERVED FRAME STACK POINTER
                                        MAPPING
0000    0 Signed       4 VRNEXT         POINTER TO NEXT FRAME ON THE
                                        STACK
VRCHAIN Storage Layout
          
*** VRCHAIN - V=R RESERVED FRAME STACK POINTER MAPPING
*
*     +---------------------------+
*   0 |          VRNEXT           | 4
*     +---------------------------+
*
*** VRCHAIN - V=R RESERVED FRAME STACK POINTER MAPPING
VRCHAIN Cross Reference
Symbol Dspl Value -------------- ---- ----- VRNEXT 0000
Last updated on 6 Jun 2001 at 12:45:47 EDT.
Copyright IBM Corporation, 1990, 2001