|
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
DSTBK
Control Block Contents
DSTBK DSECT
Cross Reference (Contains links to field and bit definitions)
DSTBK Control Block Content
DSTBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure DSTBK Parameter / work area for DEFINE
STORAGE
0000 0 Dbl-Word 8 DSTPLIST (0) Start of parameter list used by
parser
0000 0 Signed 4 DSTWORD1 (0) First word of parser parms
0000 0 Bitstring 1 DSTFLAG1 Flag byte 1
1... .... DSTCONFG X'80' CONFIGuration was specified
0001 1 Bitstring 1 * (3) Reserved for IBM use
Storage size is stored here when there is no config spec.
0004 4 Signed 4 DSTBSTRI Decimal storage size before scale
value is applied
0008 8 Bitstring 1 DSTBSTRS Scale shift value for size
0009 9 Bitstring 1 * (3) Reserved for IBM use
Configuration specifications (8 of them) each mapped via ZSBBK DSECT
from HCPZSBBK COPY. Semantics of these specifications is located in the
post-processing portion of the Define Storage Config command processor
in HCPDST.
000C 12 Signed 2 DSTCFGCT Number of config specs
000E 14 Signed 2 * Reserved for IBM use
0010 16 Character 960 DSTSPECA Array of 8 parsed conf specs
0010 16 Character 120 DSTCSPEC 1st element of the array
00000088 DSTNEXT * Next element accessor
0088 136 Character 120 * 2nd array element
0100 256 Character 120 * 3rd array element
0178 376 Character 120 * 4th array element
01F0 496 Character 120 * 5th array element
0268 616 Character 120 * 6th array element
02E0 736 Character 120 * 7th array element
0358 856 Character 120 * 8th array element
000003D0 DSTPLEN *-DSTBK End of parm list for
parser
03D0 976 Character 80 DSTSNDBX Scratch pad, sand box
00000084 DSTSIZE (*-DSTBK+7)/8 Size, in dwords, of
DSTBK
DSTBK Storage Layout
*** DSTBK - Parameter / work area for DEFINE STORAGE
*
* +------+--------------------+---------------------------+
* 0 |:FLAG1|////////////////////| DSTBSTRI |
* +------+--------------------+-------------+-------------+
* 8 |:BSTRS|////////////////////| DSTCFGCT |/////////////|
* +------+--------------------+-------------+-------------+
* 10 | |
* = DSTSPECA =
* | |
* +-------------------------------------------------------+
* 3D0 | |
* = DSTSNDBX =
* | |
* +-------------------------------------------------------+
* 420
*
*** DSTBK - Parameter / work area for DEFINE STORAGE
*** Overlay for DSTSPECA in DSTBK
*
* +-------------------------------------------------------+
* 10 | |
* = DSTCSPEC =
* | |
* +-------------------------------------------------------+
* 88 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 100 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 178 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 1F0 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 268 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 2E0 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 358 |///////////////////////////////////////////////////////|
* =///////////////////////////////////////////////////////=
* |///////////////////////////////////////////////////////|
* +-------------------------------------------------------+
* 3D0
*
*** Overlay for DSTSPECA in DSTBK
DSTBK Cross Reference
Symbol Dspl Value -------------- ---- ----- DSTBSTRI 0004 DSTBSTRS 0008 DSTCFGCT 000C DSTCONFG 0000 80 DSTCSPEC 0010 DSTFLAG1 0000 DSTNEXT 0010 00000088 DSTPLEN 0358 000003D0 DSTPLIST 0000 DSTSIZE 03D0 00000084 DSTSNDBX 03D0 DSTSPECA 0010 DSTWORD1 0000
Last updated on 6 Jun 2001 at 11:28:52 EDT.
Copyright IBM Corporation, 1990, 2001