DEDBK Back to Index page
 
Prolog 
Control Block Contents 
   DEDBK 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.


  DEDBK Prolog Top of page
 
 NAME       : HCPDEDBK
 DESCRIPTION: Dynamic Exit Definition Block
 DSECT      : DEDBK
 FUNCTION   : This control block contains information used to
              define dynamic exit points.
 LOCATED BY : Linked list anchored by XCTBK.XCTDEDAD
 CREATED BY : HCPXDMDE
 DELETED BY : HCPXDMMO
 RELOCATION CONSIDERATIONS : None
 
 
  DEDBK Control Block Content Top of page
 

 DEDBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DEDBK Dynamic Exit Definition Block 0000 0 Address 4 DEDNEXT Address of next DEDBK 0004 4 Bitstring 1 DEDFLAG1 Flags 1... .... DEDRESOL X'80' DEDRESOL Resolve exit upon association .1.. .... DEDSIMUL X'40' DEDSIMUL Simulate replaced instruction 0005 5 Address 1 DEDINSLN Replaced instruction length 0006 6 Bitstring 2 DEDCODE Exit number 0008 8 Address 2 DEDNPARM Number of parameters 000A 10 Bitstring 6 * Reserved 0010 16 Character 8 DEDMODUL Module name 0018 24 Address 2 DEDDISPL Instruction displacement 001A 26 Bitstring 6 DEDINSTR Replaced instruction 0020 32 Address 4 DEDADDRS Replaced instruction address 0024 36 Signed 4 * Reserved for future IBM use 0028 40 Bitstring 64 DEDPDESC Parameter list descriptor 0028 40 Bitstring 1 DEDPDTRM (0) Descriptor term 0028 40 Bitstring 1 DEDPDTYP Term type .111 .... DEDPDNDX X'70' DEDPDNDX Type index .... .... DEDPDTGR 0*16 DEDPDTGR Register ...1 .... DEDPDTIN 1*16 DEDPDTIN Indirect ..1. .... DEDPDTCN 2*16 DEDPDTCN Constant ..11 .... DEDPDTDS 3*16 DEDPDTDS Displacement .1.. .... DEDPDTSR 4*16 DEDPDTSR Subtract register 1111 .... DEDPDTEN 15*16 DEDPDTEN End .... 1111 DEDPDREG X'0F' DEDPDREG Register number 0029 41 Address 4 DEDPDCON Constant value 0029 41 Address 2 DEDPDDSP Displacement value 0068 104 Character 8 DEDUSER User ID of exit definer 0070 112 Dbl-Word 8 DEDSTAMP Exit definition time stamp 0078 120 Dbl-Word 8 DED$END (0)
 
 
  DEDBK Storage Layout Top of page
 
          
*** DEDBK - Dynamic Exit Definition Block
*
*     +---------------------------+------+------+-------------+
*   0 |         DEDNEXT           |:FLAG1|:INSLN|  DEDCODE    |
*     +-------------+-------------+------+------+-------------+
*   8 |  DEDNPARM   |/////////////////////////////////////////|
*     +-------------+-----------------------------------------+
*  10 |                       DEDMODUL                        |
*     +-------------+-----------------------------------------+
*  18 |  DEDDISPL   |                DEDINSTR                 |
*     +-------------+-------------+---------------------------+
*  20 |         DEDADDRS          |///////////////////////////|
*     +---------------------------+---------------------------+
*  28 |                                                       |
*     =                       DEDPDESC                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  68 |                       DEDUSER                         |
*     +-------------------------------------------------------+
*  70 |                       DEDSTAMP                        |
*     +-------------------------------------------------------+
*
*** DEDBK - Dynamic Exit Definition Block
          
*** Overlay for DEDPDESC in DEDBK
*
*     +------+---------------------------+
*  28 |:PDTYP|         DEDPDCON          | 2D
*     +------+---------------------------+
*
*** Overlay for DEDPDESC in DEDBK
          
*** Overlay for DEDPDCON in DEDBK
*
*            +-------------+
*  28 ..  29 |  DEDPDDSP   | 2B
*            +-------------+
*
*** Overlay for DEDPDCON in DEDBK
 
 
  DEDBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
DED$END        0078
DEDADDRS       0020
DEDCODE        0006
DEDDISPL       0018
DEDFLAG1       0004
DEDINSLN       0005
DEDINSTR       001A
DEDMODUL       0010
DEDNEXT        0000
DEDNPARM       0008
DEDPDCON       0029
DEDPDDSP       0029
DEDPDESC       0028
DEDPDNDX       0028 70
DEDPDREG       0028 0F
DEDPDTCN       0028 20
DEDPDTDS       0028 30
DEDPDTEN       0028 F0
DEDPDTGR       0028 00
DEDPDTIN       0028 10
DEDPDTRM       0028
DEDPDTSR       0028 40
DEDPDTYP       0028
DEDRESOL       0004 80
DEDSIMUL       0004 40
DEDSTAMP       0070
DEDUSER        0068
 
This information is based on z/VM 6.3.0 Last updated on 22 May 2013 at 13:54:14 EDT.
Copyright IBM Corporation, 1990, 2013