ESDBK Back to Index page
 
Prolog 
Control Block Contents 
   ESDBK 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.


  ESDBK Prolog Top of page
  
 NAME       : HCPESDBK
 DESCRIPTION: External Symbol Dictionary Block
 DSECT      : ESDBK
 FUNCTION   : External Symbol Dictionary Block
 LOCATED BY : LABK.LABESDQ1
              LABK.LABESDQ2
              LABK.LABESDP@
              LABK.LABESD0L
              LABK.LABBASSD
              ESDBK.ESDBFWD
              ESDBK.ESDBASSD
              RLDBK.RLDBPESD
              RLDBK.RLDBP@
              RLDBK.RLDBPV
              RLDBK.RLDBPR
              RLDBK.RLDBRESD
              RLDBK.RLDBR@
              RLDBK.RLDBRV
              RLDBK.RLDBRR
 CREATED BY : HCPCLO while processing CPXLOAD command
 DELETED BY : HCPCLO while processing CPXLOAD command
 REFERENCES : HCPICRBK - Indirect Call Request Block
              HCPLRBK  - CPXLOAD Load Request Block
 SERIALIZED : None.
 RELOCATION CONSIDERATIONS : None
 
 
  ESDBK Control Block Content Top of page
  




 ESDBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      ESDBK          External Symbol Dictionary Block
       This area duplicates the definition of OBJESDN1 from .ESD
0000    0 Bitstring   16 ESDBDATA (0)   Copy of OBJESDN1 from .ESD
                                        defined in HCPOBJCT COPY
0000    0 Character    8 ESDBNAME       External name
0008    8 Bitstring    1 ESDBETYP       Type of external def'n
          00000000       OBJESDSD       X'00' OBJESDSD SD Segment
                                        Definition
          00000001       OBJESDLD       X'01' OBJESDLD LD Label
                                        Definition
          00000002       OBJESDER       X'02' OBJESDER ER External
                                        Reference
          00000004       OBJESDPC       X'04' OBJESDPC PC Private Control
                                        section
          00000005       OBJESDCM       X'05' OBJESDCM CM Common section
          00000006       OBJESDXD       X'06' OBJESDXD XD Dummy External
                                        DSECT
          0000000A       OBJESDWX       X'0A' OBJESDWX WX Weak External
                                        reference
          000000FF       OBJESDUN       X'FF' OBJESDUN UN ESD type not
                                        determined yet
0009    9 Address      3 ESDBASM@       Use depends on ESD entry: For SD,
                                        PC, LD address is assigned by the
                                        assembler For ER For WX For XD
                                        For CM
000C   12 Bitstring    1 ESDBFLAG       Use depends on ESD entry: For SD
                                        or PC,
          00000004       ESDBRMOD       B'00000100' 1 RMODE ANY
          00000003       ESDBAMOD       B'00000011' 00 AMODE 24 01 AMODE
                                        24 10 AMODE 31 11 AMODE ANY
000D   13 Signed       3 ESDBLDL        Use depends on ESD entry: For SD
                                        0 if length of the SD is on the
                                        END card For SD, PC or CM length
                                        of the CSECT For LD esdid of the
                                        SD that contains the label For
                                        ER, WX blank For PR length of
                                        pseudo-register
0010   16 Address      4 ESDBFWD        Address of next ESDBK
0014   20 Bitstring    1 ESDBF0         Flag byte
          1... ....      ESDBDEFN       X'80' ESDBDEFN Defined or
                                        encountered
          .1.. ....      ESDBDELT       X'40' ESDBDELT Entry marked for
                                        deletion
          ..1. ....      ESDBNTXT       X'20' ESDBNTXT Text cannot be
                                        placed here
          ...1 ....      ESDBCP         X'10' ESDBCP Entry already part
                                        of CP
          .... ..1.      ESDBTEMP       X'02' ESDBTEMP Part of a TEMP
                                        CSECT
          .... ...1      ESDBBYUS       X'01' ESDBBYUS Loaded by current
                                        CPXLOAD
0015   21 Bitstring    1 ESDBF1         Flag byte
          .... ...1      LRBBF1ZZ       X'01' LRBBF1ZZ fatal error
       Bits in ESDBF4 are copied from LABK.LABBF4
0016   22 Bitstring    1 ESDBF4         Flag byte
          1... ....      LRBBF2LT       X'80' LRBBF2LT LET option
          .1.. ....      LRBBF2NL       X'40' LRBBF2NL NOLET option
          ..1. ....      LRBBF2DL       X'20' LRBBF2DL DELAY option
          ...1 ....      LRBBF2ND       X'10' LRBBF2ND NODELAY option
          .... 1...      LRBBF2MP       X'08' LRBBF2MP MP option
          .... .1..      LRBBF2UP       X'04' LRBBF2UP NONMP option
       Bits in ESDBF5 are copied from LABK.LABBF5
0017   23 Bitstring    1 ESDBF5         Flag byte
          .1.. ....      LRBBF3SY       X'40' LRBBF3SY SYNC specified
          ..1. ....      LRBBF3LK       X'20' LRBBF3LK LOCK specified
          ...1 ....      LRBBF3NL       X'10' LRBBF3NL NOLOCK specified
          .... 1...      LRBBF3CN       X'08' LRBBF3CN CONTROL specified
          .... .1..      LRBBF3NC       X'04' LRBBF3NC NOCONTROL
                                        specified
          .... ..1.      LRBBF3PE       X'02' LRBBF3PE PERMANENT
                                        specified
          .... ...1      LRBBF3TE       X'01' LRBBF3TE TEMPORARY
                                        specified
0018   24 Signed       4 ESDBALGN       Value from .SPB statement
001C   28 Signed       4 ESDBUPB        Value from .UPB statement
0020   32 Signed       4 ESDBEXP        Sum of EXPAND statement values
0024   36 Signed       4 ESDBICS        Value from .ICS statement
0028   40 Signed       4 ESDBTXTL       Farthest TXT data went
002C   44 Signed       4 ESDBENDL       CSECT length from .END statement
0030   48 Signed       4 ESDBSIZE       Maximum of all values that give
                                        the size of the CSECT
0034   52 Address      4 ESDBLABK       Address of the LABK that loaded
                                        this external symbol.
0038   56 Address      4 ESDBsADR       Address of entry pt in storage
003C   60 Bitstring    4 *              Reserved
0040   64 Address      4 ESDBICL@       Real address of ICLBK
0044   68 Bitstring    4 *              Reserved
0048   72 Bitstring    1 ESDBPAD        Pad (from .PAD)
0049   73 Bitstring    1 ESDBICLB       Bits for ICLBK
          .1.. ....      ICRRLONG       X'40' ICRRLONG Caller is LONGREG
          ..1. ....      ICRELONG       X'20' ICRELONG Callee is LONGREG
          ...1 ....      ICRESTA        X'10' ICRESTA callee uses static
                                        savearea
          .... 1...      ICRRMP         X'08' ICRRMP caller MP capable
          .... .1..      ICRERES        X'04' ICRERES callee Resident
          .... ..1.      ICREMP         X'02' ICREMP callee MP capable
          .... ...1      ICRTRC         X'01' ICRTRC issue TRACE
                                        instruction
004A   74 Signed       2 *              Reserved
004C   76 Address      4 ESDBASSD       ESDBK addr of base SD or PC for
                                        this ESDBK
0050   80 Dbl-Word     8 ESDB$END (0)   The end
 
 
  ESDBK Storage Layout Top of page
  
          
*** ESDBK - External Symbol Dictionary Block
*
*     +-------------------------------------------------------+
*   0 |                       ESDBNAME                        |
*     +------+--------------------+------+--------------------+
*   8 |:BETYP|     ESDBASM@       |:BFLAG|      ESDBLDL       |
*     +------+--------------------+------+------+------+------+
*  10 |         ESDBFWD           |ESDBF0|ESDBF1|ESDBF4|ESDBF5|
*     +---------------------------+------+------+------+------+
*  18 |         ESDBALGN          |         ESDBUPB           |
*     +---------------------------+---------------------------+
*  20 |         ESDBEXP           |         ESDBICS           |
*     +---------------------------+---------------------------+
*  28 |         ESDBTXTL          |         ESDBENDL          |
*     +---------------------------+---------------------------+
*  30 |         ESDBSIZE          |         ESDBLABK          |
*     +---------------------------+---------------------------+
*  38 |         ESDBSADR          |///////////////////////////|
*     +---------------------------+---------------------------+
*  40 |         ESDBICL@          |///////////////////////////|
*     +------+------+-------------+---------------------------+
*  48 |:BPAD |:BICLB|/////////////|         ESDBASSD          |
*     +------+------+-------------+---------------------------+
*
*** ESDBK - External Symbol Dictionary Block
 
 
  ESDBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
ESDB$END       0050
ESDBsADR       0038
ESDBALGN       0018
ESDBAMOD       000C 00000003
ESDBASM@       0009
ESDBASSD       004C
ESDBBYUS       0014 01
ESDBCP         0014 10
ESDBDATA       0000
ESDBDEFN       0014 80
ESDBDELT       0014 40
ESDBENDL       002C
ESDBETYP       0008
ESDBEXP        0020
ESDBFLAG       000C
ESDBFWD        0010
ESDBF0         0014
ESDBF1         0015
ESDBF4         0016
ESDBF5         0017
ESDBICL@       0040
ESDBICLB       0049
ESDBICS        0024
ESDBLABK       0034
ESDBLDL        000D
ESDBNAME       0000
ESDBNTXT       0014 20
ESDBPAD        0048
ESDBRMOD       000C 00000004
ESDBSIZE       0030
ESDBTEMP       0014 02
ESDBTXTL       0028
ESDBUPB        001C
ICRELONG       0049 20
ICREMP         0049 02
ICRERES        0049 04
ICRESTA        0049 10
ICRRLONG       0049 40
ICRRMP         0049 08
ICRTRC         0049 01
LRBBF1ZZ       0015 01
LRBBF2DL       0016 20
LRBBF2LT       0016 80
LRBBF2MP       0016 08
LRBBF2ND       0016 10
LRBBF2NL       0016 40
LRBBF2UP       0016 04
LRBBF3CN       0017 08
LRBBF3LK       0017 20
LRBBF3NC       0017 04
LRBBF3NL       0017 10
LRBBF3PE       0017 02
LRBBF3SY       0017 40
LRBBF3TE       0017 01
OBJESDCM       0008 00000005
OBJESDER       0008 00000002
OBJESDLD       0008 00000001
OBJESDPC       0008 00000004
OBJESDSD       0008 00000000
OBJESDUN       0008 000000FF
OBJESDWX       0008 0000000A
OBJESDXD       0008 00000006
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:50:13 EDT.
Copyright IBM Corporation, 1990, 2022