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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
ESDBK
Control Block Contents
ESDBK DSECT
Cross Reference (Contains links to field and bit definitions)
ESDBK Prolog
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
ESDBK DSECT
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$END (0) The end
ESDBK Storage Layout
*** ESDBK - External Symbol Dictionary Block
*
* +-------------------------------------------------------+
* 0 | ESDBNAME |
* +------+--------------------+------+--------------------+
* 8 |:BETYP| ESDBASM@ |:BFLAG| ESDBLDL |
* +------+--------------------+------+------+------+------+
* 10 | ESDBFWD |ESDBF0|ESDBF1|ESDBF4|ESDBF5|
* +---------------------------+------+------+------+------+
* 18 | ESDBALGN | ESDBUPB |
* +---------------------------+---------------------------+
* 20 | ESDBEXP | ESDBICS |
* +---------------------------+---------------------------+
* 28 | ESDBTXTL | ESDBENDL |
* +---------------------------+---------------------------+
* 30 | ESDBSIZE | ESDBLABK |
* +---------------------------+---------------------------+
* 38 | ESDBSADR |///////////////////////////|
* +---------------------------+---------------------------+
* 40 | ESDBICL@ |///////////////////////////|
* +------+------+-------------+---------------------------+
* 48 |:BPAD |:BICLB|/////////////| ESDBASSD |
* +------+------+-------------+---------------------------+
*
*** ESDBK - External Symbol Dictionary Block
ESDBK Cross Reference
Symbol Dspl Value -------------- ---- ----- ESDB$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
Copyright IBM Corporation, 1990, 2011