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lngsrc/lnkhst.mac
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TITLE LNKHST - REVISION HISTORY OF LINK
SUBTTL D.M.NIXON/DMN/JLd/RKH/JBC/JNG/DCE/MCHC/PAH/DZN/PY/MFB/JBS/HD/RJF 30-MAR-90
SEARCH LNKPAR ;[2030]
TWOSEG %HISEG ;[2030]
;[2030] One-line copyright for executable files
ASCIZ /
COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1973,1988. ALL RIGHTS RESERVED.
/ ;[2403][2417]
;COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1973,1986,1988.
; ALL RIGHTS RESERVED.
;
;THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
;ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
;INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
;COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
;OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
;TRANSFERRED.
;
;
;THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
;AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
;CORPORATION.
;
;DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
;SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
;
CUSTVR==0 ;CUSTOMER VERSION
DECVER==6 ;DEC VERSION
DECMVR==0 ;DEC MINOR VERSION
DECEVR==2425 ;DEC EDIT VERSION
LNKVER==:<BYTE(3)CUSTVR(9)DECVER(6)DECMVR(18)DECEVR>
LOC 137
.JBVER: EXP LNKVER
RELOC
SUBTTL REVISION HISTORY
;START OF VERSION 1A
;37 ADD GARBAGE COLLECTOR AT CLANS
;40 ADD GENERAL GARBAGE COLLECTOR
;41 ADD LNKFSI MESSAGE
;42 TAB.PT NOT REDUCED WHEN CORE GIVEN BACK
;43 FORTRAN-10 LOCAL SYMBOLS IN COMMON NOT FIXED UP CORRECTLY
;44 REMOVE ALL REFERENCES TO XF (INDEX CONTAINING DY.LB)
;45 HASH INITIAL SYMBOLS AT ASSEMBLY TIME
;46 ADD KLUDGE FEATURE
;47 INTEGRATE WITH SCAN %4, ADD DATE75 HACK
;50 HANDLE PAGING DURING LOCAL SYMBOL OUTPUT CORRECTLY
;51 FIX BUG IF UNDEF SYMBOLS BUT DON'T WANT TO KEEP LOCAL SYMS
;52 ADD ASCII TEXT BLOCK
;53 FIX RETURNS FROM DVMOV. ROUTINE
;54 ADD KIONLY D.P. INST.
;55 STORE VERSION NUMBER (.JBVER) IN .RBVER OF SAVE FILE
;56 FIX LOOP AT JBEX2A IF CORE IMAGE IS MULTIPLE OF 2000
;57 SETUP VESTIGIAL JOB DATA AREA EVEN IF NOT A SAVE FILE
;60 ADD /VERSION SWITCH
;61 ADD STORE CODE IN CORE FOR T.3 TWOSEG FIXUPS
;62 FIX BUG IN BLOCK TYPE 11 (POLISH FOR FORTRAN-10)
;63 REMOVE MULTIPLY-DEFINED SYMBOLS FROM SYMBOL TABLE (IN CORE)
;64 REDUCE CORE SIZE IF ALL OF CORE IS TAKEN
;65 TENEX SPEEDUPS
;66 SAVE JOB DATA AREA ON /SAVE IF DDT, SYMBOLS AND ALL CODE IN HIGH SEG
;67 PUT ADDITIVE GLOBAL REQUESTS IN UNDEF TABLE
;70 FIX ADDRESS CHECK PROBLEM
;71 MAKE ALL INFO MESSAGES STANDARD FORM
;72 (11315) CTYPE NOT CLEARED ON UNKNOWN COMPILER TYPE
;73 (11314) PREVENT EXECUTION IF UNDEF SYMBOLS
;74 (11389) FIX ILL MEM REF ON FILE/SYSLIB
;75 FIX ALGOL OWN BLOCK, CALL ADCHK. ROUTINE
;76 FIX BUG IF DWFS. PAGES FOR FIRST TIME
;77 RESET VERBOSITY IF LNKERR GETSEG FAILS
;100 FIX ILL MEM REL ON /SAVE IF LAST BLOCK FILLS ALL OF CORE
;101 FIXES FOR FAIL CODE WITH UNDEF GLOBALS IN BLOCK 11
;102 TEST FOR MISSING END BLOCK (TYPE 5)
;103 SAVE AND RESTORE BOTH HALVES OF FL ON EDITED LOOKUP ERROR
;104 PUT FAIL BLOCKS IN MAP OUTPUT AND SYMBOL TABLE
;105 MAKE BLOCK TYPE 12 WORK
;106 ALLOW HIGH SEG CODE TO BE LOADED AT ADDRESS OTHER THAT 400000
;107 CHANGE KLUDGE TO MIXFOR (SEE EDIT #46)
;110 (11889) /BACK:1 GOT ILL MEM REF (SOSJ _ SOJG)
;111 MAKE MIXFOR WORK EVEN IF NOT IN /SEARCH MODE
;112 CHECK FOR PER FILE /SEARCH AT LODTST
;113 MAKE MIXFOR KNOW ABOUT F40 ARRAY REFERENCES IN ARGS
;114 FIX LOG FILE TO DSK (NOT ASSIGNED AS LOG)
;115 MAKE /NOSYMS WORK CORRECTLY
;116 FIX UNDEFINED SYMBOL COUNT IN FAIL BLOCKS
;START OF VERSION 1B
;117 (12058) ADD MISSING POPJ P, AT FORKI+2
;120 /SYMSEG:HIGH WITH NO HIGH CODE GIVES ILL MEM REF
;121 (12145) .VERSW DOESN'T PRESERVE P4, /VER:1(20) FAILS
;122 (11940) MAKE /MAP/SAVE PRODUCE BOTH FILES NOT JUST THE LAST ONE
;123 MAKE LOADING OF VERY LARGE (GT. 128K) MUCH EASIER
;124 ADD /ONLY SWITCH (ARGS ARE BOTH, LOW, HIGH)
;125 WRITE MAPS WITH 2 SYMBOLS PER LINE
;126 CHANGE CALLING SEQUENCE FOR T.1STR AND PG.LSG, PG.HSG TO BE P2 & P3
;127 (12311) BUGS IN FORCED LOAD OF F40 CODE TO HIGH SEGMENT
;130 (12315) NOT ALL SYMBOL COPIED WHEN PREVIOUSLY REQUESTED COMMON IS DEFINED
;131 CHANGE JOBDAT SYMBOLS FOR V/M, ADD V/M FEATURES
;132 FIX BUG IN EDIT #122
;133 BUG IN LOADING LIBSAI IN T.11EV RETURN
;134 (12431) ABS SYMBOLS OCCASIONALLY SHOW AS REL IN MAP
;START OF VERSION 2
;135 ADD OVERLAY CAPABILITY (LNKOV1,LNKOV2,LNKOVS)
;136 FIX VARIOUS BUGS
;137 ADD SUPPORT FOR PLOTTER PACKAGE
;140 (12617) FIX ?IO TO UNASSIGNED CHANNEL WITH /SYMBOL:TRIPLET
;141 TURN ON ASCII TEXT BLOCK AND FIX BUGS IN IT
;142 (12520) FIX BUG IF PROGRAM LARGER THAN 36*128 WORDS
;143 MAKE /INCLUDE WORK BETTER (DOCUMENTATION CHANGE ALSO)
;144 (12772) FIX LOOP IN LNKMAP IF EVEN NO. OF SFDS
;145 IMPLEMENT USER LIBRARIES & /USELIB SWITCH
;146 (12860) MAKE S%E ENTER ERRORS FATAL (S%F)
;147 TURN ON MIXFOR FEATURE
;150 REMOVE EDIT #71 (PEF MESSAGE)
;151 (12491) CALL OSCAN CORRECTLY
;152 FIX LOOP IF /NOINIT AND UNDEFINED SYMBOLS
;153 FIX BUG IN EDITS 122 AND 132
;154 (12991) ONLY LOOK AT RIGHT HALF OF .JBERR TO DELETE EXECUTION
;155 (12988) FIX TEST FOR COBDDT AT RUN UUO TIME
;156 MAKE FOO/DEBUG WORK CORRECTLY
;157 (12640) IF .FORLB=-1 DO NOT WARN USER IF F10 CODE LOADED
;160 (12736) ADD WORDS FREE IN EACH SEGMENT TO MAP OUTPUT
;161 ADD LANGUAGE TYPE TO /USERLIB SWITCH
;162 USE W3 RATHER THAN W1 IN INDEXED LIBRARIES
;163 MAKE /ONLY WITH F-10 CODE NOT DEFAULT TO BOTH SEGS IN LOW
;164 MAKE CPU TEST OF REL FILES MORE GENERAL
;165 INTEGRATE WITH SCAN %5(356)
;166 READ BACK THE RADIX50 SYMBOLS OUTPUT BY /SYMBOL
;167 CHANGE ARGUMENTS TO /OTS SWITCH
;170 INTEGRATE WITH BLISS PLOTTER SUBROUTINES
;171 (13234) FIX BUG IF FORTRAN-10 PROG TOO BIG
;172 (13243) BUG IF MORE THAN 1 BLOCK TYPE 16 (OR 17) SEEN
;173 TEST ASCIZ BLOCK TYPE FOR VALID FIRST CHAR
;174 FIX RELOCATABLE OVERLAY BUGS
;175 CHANGE /RESET TO /NODE
;176 MAKE START BLOCK (7) BE TWO WORDS LONG
;177 FIX ADDRESS CHECK BUG IN LNKXIT IF PAGING SYMBOLS
;200 LOAD REENTRANT OVERLAY HANDLER
;201 MAKE FORDDT LOAD CORRECTLY
;202 REMOVE CORE UUO BEFORE GETSEG
;203 LINK ALL DDT SYMBOL TABLES IN OVERLAYS CORRECTLY
;204 FIX VARIOUS SFU AND EXPANSION BUGS
;205 LIST NO. OF GLOBALS AND MIN. HASH SIZE IN MAP
;206 FIX GLOBAL CHAINS IN UNDEF AND NOT ALL IN CORE
;207 MAKE OVERLAY OVERHEAD TABLES SMALLER
;210 (13461) MORE OF #172, HANDLE TYPE 16 CORRECTLY
;211 FIX ZEROS IN MONITOR SYMBOL TABLE
;212 YET ANOTHER ZEROS IN SYMBOL TABLE BUG
;213 (12531) LOW SEG OF TWOSEG CORE IMAGE BAD
;214 (12939) CORE EXP BUG IN F40 CODE IF EXPANDS IN MIDDLE OF DATAS
;215 ADD TEXT FOR OVRLAY MESSAGES TO LNKERR
;216 (13559) ADD ZSV ERROR MESSAGE
;217 FIX PDLOV IN BLOCK TYPE 11 CODE IF CORE MOVES
;220 HANDLE COMMON REFERENCED BEFORE BEING DEFINED CORRECTLY
;221 GET THE PROTECTION CODE OF XPN FILES CORRECT
;222 (12773) DO UPDATE MODE RIGHT FOR SFD DEFAULT PATHS
;START OF VERSION 2A
;244 DATE75 FIX TO MAKE LOW SEG FILE HAVE CORRECT DATE (ALSO LISTED BELOW)
;START OF VERSION 2B
;223 FIXUP PRIMARY TRIPLET AFTER ADDITIVE FIXUPS HAVE BEEN DONE
;224 PUT SECOND SYMBOL FOR COMMON BLOCK IN RADIX50 SYMBOL TABLE
;225 ADD SUPPORT FOR PSECT (MACRO VERSION 51)
;226 FIX UNDEFINED SYMBOL PROBLEM (117 NOT SET UP)
;227 (13779) TEST TEMP LOCAL SWITCH AT T.37 (COBOL CODE)
;230 ADD CHECK THAT LOW SEG DATA BASE IS SAME SIZE IN EACH SEGMENT
;231 (13869) P1 NOT RESTORED IN TIME IN XX.INI
;232 (13920) UNRELOCATE POLISH POINTER TO FIXUP AREA
;233 (13932) INFINITE LOOP IF UNDEF SYMBOLS AND TYPE 16 BLOCKS
;234 NUL:/SAVE CAUSES PAGING ON NUL: DEVICE, USE DSK INSTEAD
;235 (13845) ERRONEOUS SAVE FILE IF PAGED AND READING ZEROS
;236 CORE EXP BUG AT SY.RUA, P1 IS DESTROYED BEFORE STORE
;237 (13931) CHANGE RPR ERROR TO NBR
;240 FIX I/O TO UNASSIGNED CHAN IF /SAVE AND HIGH FILE ALREADY EXISTS
;241 SEPARATE LOW SEG REL CODE FROM ABS CODE FOR HIGHEST LOC CALCULATIONS
;242 HANDLE USER PAGE FAULT HANDLER CORRECTLY
;243 ADD SIMULA TO KNOWN PROCESSORS
;244 DATE75 FIX TO MAKE LOW SEG FILE HAVE CORRECT DATE
;245 JLd 31-Oct-74 SPR 10-14009
; Make the overlay file stay on same structure on supersede
; Routines: LNKOV1, LNKFIO, LNKWLD, LNKERR
;246 JLd 18-Nov-74 SPR 10-14212
; Fix problems with the core overflow expansion calc.
; which cause inefficient use of core.
; Routines: LNKCOR
;247 JLd 11-Dec-74 SPR 10-14344
; Fix the debug switch to load the debugger specified, and
; symbols for the main program when switch follows main.
; Routines: LNKWLD, LNKXIT.
;250 JLd 13-Dec-74 SPR 10-14363
; Change generation of fixups for map routine so will store
; the address limits.
; Routine: LNKOLD
;251 JLd 19-Dec-74 SPR 10-14366
; Fix /SEG:LOW to create the FX area if necessary
; when saving high segment code.
; Routine: LNKLOD
;252 JLd 24-Dec-74 SPR 10-14538
; Fix problem with /INCLUDE with /SEARCH when loading an
; indexed library.
; Routine: LNKOLD
;253 JLd 28-Dec-74 SPR 10-14535
; Correct several problems with ASCII test blocks:
; . make ASCII blocks work with CCL entry
; . make multi-line blocks work
; . give error message if SCAN can't finsih block
; Routines: LNKNEW, LNKSCN, LNKWLD, LNKERR
;254 JLd 28-Dec-74 SPR 10-14674
; Switches which are deferred until after the file is
; opened must be disconnected from the file spec block to
; prevent double dispatching (2nd time with invalid code)
; whenever the file spec. is edited.
; Routine: LNKWLD
;255 JLd 2-Jan-75 SPR 10-14669
; Prevent type ahead from causing a halt in SCAN.
; Stop clearing to end of line when end-of-line found.
; Routine: SCAN (SCAN Edit 524)
;256 JLd 2-Jan-75 SPR 10-14669
; Make "/<switch>:" without a key word legal
; Routine: LNKWLD
;257 JLd 9-Jan-75
; Restore the proper P1 when creating FX -- cancel edit 231
; Routine: LNKCOR
;260 JLd 9-Jan-75 SPR 10-14872
; Fix to load large F40 programs in small core
; Routine: LNKF40
;261 JLd 24-Jan-75 SPR 10-15063
; Correct problems with loading a null overlay structure
; (root only), and /PLOTing it.
; Routines: LNKOV2, LNKPLT
;262 JLd 6-Feb-75 SPR 10-15063
; React gracefully when /LINK switch is omitted
; Routnies: LNKOV1, LNKLOW, LNKWLD, LNKERR
;263 JLd 6-Feb-75 SPR 10-15063
; Increase the /PLOT stack size for large overlay structures
; Routine: LNKPLT
;264 JLd 13-Feb-75 SPR 10-15135
; Deal with file specification errors correctly when
; processing commands from an indirect file.
; Routines: LNKSCN, SCAN (v. 6)
;265 DMN 17-Feb-75
; Implement EXE files (new SAVE format)
; Routines: LNKPAR, LNKXIT, LNKSCN, LNKWLD
;266 JLd 22-Feb-75 SPR 10-15226
; Load symbols correctly when overflow to DSK.
; Routine: LNKXIT
;267 JLd 23-Feb-75 SPR 10-15226
; Take window into account when calc. offset for
; module header (type 0) symbol in DDT symbol table
; Routine: LNKXIT
;270 JLd 24-Feb-75 SPR 10-15248
; Fix initialization of high segment Job Data Area
; when done after disk overflow
; Routine: LNKXIT
;271 JLd 27-Feb-75 SPR 10-15255
; Suppress searching Bound Globals during symbol table
; rehash.; keep the PDL in bounds.
; Routine: LNKHSH
;272 JLd 27-Feb-75 SPR 10-15255
; Make the force rehashing for /HASHSIZE work.
; Routines: LNKWLD, LNKHSH
;273 DMN/JLd 27-Feb-75 SPR 10-15273
; Fix up disk overflow decision making
; Routine: LNKCOR
;274 JLd/DMN 3-Mar-75 SPR 10-15263
; Allow COMMON in the HIGH segment to be loaded with DATA
; defined in a module loaded in the LOW segment
; Routines: LNKF40, LNKOLD, LNKPAR
;275 DMN 6-Mar-75 NONE
; Add the rest of the code necessary to support SIMULA
; finish edit 243.
; Routines: LNKLOD, LNKERR
;276 DMN/ILG 7-Mar-75 SPR 10-15507
; Fix MULTIPLY-DEFINED GLOBALS when a .REQUIRES
; in one .REQUIRED file .REQUIRES another.
; Routines: LNKOLD
;277 JLd 13-Mar-75 SPR 10-15405
; Allow editing of file spec. when LOOKUP error while
; loading from default libraries.
; Routines: LNKLOW, LNKWLD
;300 JLd 30-Mar-75 SPR 10-15706
; Correct problem with /OVERLAY not working unless first
; switch, and make permanent excludes work.
; Routine: LNKOV1
;301 JLd 30-Mar-75 SPR 10-15706
; Issue proper error message when no more room
; during DSK overflow.
; Routine: LNKCOR
;305 JLd 21-Apr-75 SPR 10-15843
; Correct the mixed CPU test to give the message
; at the right time.
; Routine: LNKLOD
;317 RKH 25-Apr-75 SPR 10-15716
; Correct initialization before call to TRYSYM to
; search symbol table
; Routine: LNKOLD
;320 RKH 25-Apr-75 SPR 10-15858
; Reinitialize user virtual address before call to
; page in segment
; Routine: LNKOLD
;322 JLd 1-May-75
; Set up LSYM and other control variables so LNKCOR will
; handle symbols properly.
; Routines: LNKOV2, LNKXIT
;324 JLd 8-May-75
; Don't deallocate the channel and area for LS until
; no longer needed.
; Routine: LNKXIT
;325 JLd 13-May-75
; Fix special case of TWOSEG code forced into one
; segment when high segment break is same as start
; (length of zero).
; Routines: LNKLOD, LNKOLD
;326 JLd 19-May-75
; Fix more normal case broken by edit 252 of loading
; indexed library with /INCLUDE specified, and more than
; one file being loaded.
; Routine: LNKOLD
;330 JLd 19-May-75
; Make symbol channel go away after loading symbols into
; the root of an overlay program.
; Routine: LNKXIT
;331 JLd 19-May-75
; Don't loose the Control Section, EXTTAB's and ENTTAB's;
; count them in occupied core.
; Routine: LNKOV1
;
;332 RKH 20-May-75
; Restore base of GS area before processing
; Routine: LNKOV2
;
;333 RKH 21-May-75
; Isert code to handle successful zero return of GETTAB
; Routine: LNKINI
;
;334 RKH 28-May-75
; Change dispatch AC so that LINK item type is saved
; Routine: LNKOLD
;335 JLd 30-May-75
; Fix problems with size of symbols in root of
; program with overlays. prevent confusing LNKCOR
; Routine: LNKXIT
;
;336 RKH 31-MAY-75
; Fix /RUN switch to work properly
; Routine: LNKXIT
;
;337 RKH 31-May-75
; Isert check for no core to zero before BLT
; and prevent possible ILL MEM REF
; Routine: LNKXIT
;340 DMN 6-Jun-75
; Change name of duplicate flag from S.NAM to S.LNM
; Routines: LNKPAR,LNKHST,LNKNGW,LNKHSH,LNKOLD
;341 JBC 26-Jun-75
; Include edit 327 in maintenance sources. Label edits 223,232,233
; Routine: LNKLOD
;342 SRM 26-Jun-75
; Include edit 315 in maintenance sources
; Routine: LNKPLT
;343 SRM 26-Jun-75
; Include edits 302,307 in maintenance sources
; Routine: LNKWLD
;344 SRM 26-Jun-75
; Include edit 304 in maintenance sources
; Routine: LNKMAP
;345 SRM 26-Jun-75
; Include edit 303 in maintenance sources. Label edit 230
; Routine: LNKPAR
;346 SRM 26-Jun-75
; Include edit 302 in maintenance sources. Label edit 230
; Routine: LNKINI
;347 JBC 26-Jun-75
; Include edits 303,310,311 in maintenance sources. Label edits 227,236,241
; Routine: LNKOLD
;350 JBC 26-Jun-75
; Remove references to RSYM
; Routines: LNKLOW,LNKOLD
;351 SRM 26-Jun-75
; Label edit 237
; Routine: LNKERR
;352 SRM 26-Jun-75
; Label edit 237
; Routine: LNKOV1
;353 JBC 26-Jun-75
; Remove edit 225
; Routines: LNKINI,LNKLOW,LNKMAP,LNKOLD,LNKPAR,LNKWLD,LNKXIT
;354 JBC 26-Jun-75
; Label edit 234
; Routine: LNKCOR
;355 JBC 26-Jun-75
; Label edit 230
; Routine: LNKEXO
;356 JBC 26-Jun-75
; Label edit 240
; Routine: LNKFIO
;357 JBC 26-Jun-75
; Label edits 224,226,234,235,241,242
; Routine: LNKXIT
;360 JBC 27-Jun-75
; Remove edit 336
; Routine: LNKXIT
;361 JNG 2-Jul-75
; Fix ill mem ref caused by edit 274
; Routine: LNKF40
;362 JNG 2-Jul-75
; Always set up the preamble area at OVR8, since edit
; 322 made LNKXIT not set it up.
; Routine: LNKOV2
;363 JBC 2-Jul-75
; Update minor version #
; Routines: LNK999,LNKCST,LNKEXO,LNKMAP,LNKOVS,LNKPAR,LNKSUB
;364 JNG 9-Jul-75 SPR 10-16732
; Generate a fixup instead of giving up if the TITLE
; block has been paged out when a HISEG block is encountered.
; Routines: LNKPAR,LNKCOR,LNKOLD
;365 JNG 10-Jul-75
; Give an error message if an invalid fixup is encountered.
; Routines: LNKCOR
;366 DMN 10-Jul-75
; Only use 18 bit addresses to call CHKSEG from T.2CHK
; Routine: LNKOLD
;367 DMN 10-Jul-75
; Keep correct W3 on Polish fixups when symbol just defined
; Routine: LNKLOD
;370 DMN 10-Jul-75
; Fix LNKINS error detect
; Routine: LNKFIO
;371 JNG 10-Jul-75
; Move definition of .ERSFU to avoid undefined global.
; Routines: LNKCOR,LNKOLD
;372 JNG 11-Jul-75
; Don't print the path of an overlay on /MAP:NOW, since
; the information is not yet set up and would be hard to find.
; Routines: LNKMAP
;373 JNG 16-Jul-75
; Load COMMON correctly on a /SEGMENT:HIGH.
; Routines: LNKOLD
;374 JNG 17-Jul-75 SPR 10-16727
; Avoid ILL MEM REF in LNKLOD because of edit 273.
; Routines: LNKCOR
;375 JNG 17-Jul-75 SPR 10-16557
; T.COMM sometimes inserts COMMON into the local symbol
; table. Since everybody that calls T.COMM also inserts COMMON
; into the local symbol upon return, it sometimes gets in twice.
; Solution: Make T.COMM always insert COMMON into the local
; symbol table, and don't insert it when T.COMM returns.
; Routines: LNKOLD,LNKLOD,LNKF40
;376 JNG 18-Jul-75 SPR 10-16500
; Do not try to overlay F40 code, since this is not
; supported and doesn't work anyway.
; Routines: LNKLOD,LNKSUB
;377 JNG 18-Jul-75 SPR 10-16728
; Fix several bugs involving the /SET switch.
; Add new error message if trying to /SET below a segment origin.
; Routines: LNKWLD,LNKERR
;400 JNG 20-Jul-75 SPR 10-16638
; Do defaulting of output paths right and support SFD's.
; Routines: LNKPAR,LNKLOW,LNKWLD,LNKFIO
;401 JNG 22-Jul-75
; Remove hack to give same checksums on save files as 5.06.
; Routines: LNKXIT
;402 JNG 22-Jul-75
; Make /TEST again unique to one character.
; (It conflicts with /TMPCOR in SCAN 7).
; Routines: LNKPAR
;403 JNG 24-Jul-75
; Fix HALT in LNKXIT if generating new style symbol file.
; Routines: LNKXIT
;404 JNG 31-Jul-75
; Replace edits 316,323,334, and 340, which got lost.
; Routines: LNKOLD,LNKOV1,LNKERR,LNKNEW,LNKPAR,LNKHSH
;405 JNG 3-Aug-75
; Recover if EOF is encountered while reading ASCII text.
; Routines: LNKLOD,LNKNEW
;
;406 RKH 9-Aug-75
; Made DDT default if no argument
; to /TEST or /DEBUG switches.
; Routine: LNKWLD
;
;407 RKH 11-Aug-75
; Correct problem with /NODE:-1 to prevent
; node before root and give error message.
;410 JNG 11-Aug-75
; Avoid ?LNKISN if a node has no internal symbols.
; Edit 261 tried, but didn't do the whole job.
; Routines: LNKHST, LNKOV2
;411 JNG 14-Aug-75
; Fix problems when processing multiple line ASCII text
; containing file specs. Note: until SCAN is fixed,
; LINK will have the /K switch, which is a complete no-op
; and meant for internal use only.
; Routines: LNKPAR,LNKLOW,LNKSCN,LNKWLD,LNKNEW
;412 RKH 18-Aug-75
; Preserve W3 when doing fixups to prevent problems when
; loading block type 21.
; Routines: LNKLOD
;413 JNG 18-Aug-75
; Fix some small bugs in the handling of ELN message.
; Routines: LNKOV1
;414 JNG 18-Aug-75
; Make sure FUNCT. gets loaded somewhere in the root.
; Modules: LNKOV1
;415 JNG 19-Aug-75
; Keep LSYM and NAMPTR up to date in LNKOV2 to avoid
; ?ILL MEM REF when trying to expand LS area.
; Routines: LNKOV2,LNKCOR
;416 JNG 20-Aug-75
; Update GS.FR instead of GS.PT when copying global
; symbol table into bound global area to prevent lost globals.
; Routines: LNKOV1
;417 JNG 21-Aug-75
; Remove the LNKF40 portion of edit 274 pending a rewrite
; of this section of code, since it broke more than it fixed.
; Routines: LNKF40
;420 JNG 21-Aug-75
; Always print a "]" on informational messages to TTY.
; Routines: LNKLOG
;421 JNG 26-Aug-75 SPR 10-17000
; Always give %LNKMSN and %LNKSSN when a user requests
; an unimplemented function.
; Routines: LNKWLD
;422 JNG 27-Aug-75 SPR 10-17225
; Temporarily shut off /SEG: while processing fixups to
; prevent confusion, esp. when loading F10 code.
; Routines: LNKLOD
;423 JNG 31-Aug-75 SPR 10-15734
; Prevent ?ILL ADDR IN UUO in LNKXIT when loading overlays
; in a small amount of core and loading local symbols.
; Routines: LNKOV2,LNKXIT
;424 JNG 2-Sept-75 SPR 10-15734
; Improve the long message for the FSN error.
; Routines: LNKERR
;425 JNG 2-Sep-75 SPR 10-15734
; Do not require FUNCT. to be loaded into the root if there
; are no requests for it (user wrote own overlay handler).
; Routines: LNKOV1
;426 JNG 2-Sep-75 SPR 10-15844
; Do not output prompt characters while processing ASCII text.
; Routines: LNKSCN
;427 JNG 2-Sep-75
; Don't destroy SCAN's ACs while processing ASCII text.
; Routines: LNKSCN
;430 JNG 2-Sep-75
; Don't zap F.ASCI in TXTKOM.
; Routines: LNKSCN
;431 JNG 2-Sep-75
; Make the /ESTIMATE switch work.
; Routines: LNKWLD
;432 JNG 2-Sep-75
; Fix a typo in edit 417.
; Routines: LNKF40
;433 JNG 3-Sep-75
; Support the /RUN switch correctly, i.e. ignore it unless
; execution has not been requested.
; Routines: LNKSCN,LNKXIT
;434 JNG 4-Sep-75
; Don't clear OFFSET and OSCANF just before doing an
; edit correction since this confuses .TYPRE in SCAN.
; Routines: LNKLOG
;435 RKH 4-Sep-75
; Keep HC.S0 up to date when loading F40 code to prevent the code
; from being zeroed in LNKXIT.
; Routines: LNKF40
;436 JNG 4-Sep-75
; Clear ^O when prompting the user to make sure the "*" gets out.
; Routines: LNKSCN
;
;START OF VERSION 2C
;
;437 RKH 22-Sep-75
; Prevent LNKDUZ errors when processing redundant right
; hand fixups by flushing the request.
; Routine: LNKOLD
;440 RKH 23-Sep-75
; Change macro in LNKPAR so /ONLY can be a global switch
; Routine: LNKPAR
;441 RKH 25-Sep-75
; Correct loading of COMMON when /SEGMENT:HIGH
; IS USED. PREVENT COMMON size from increasing by 1
; (caused by edit 373) and improper loading (caused
; by edit 241).
; Routine: LNKOLD
;442 JNG 10-Oct-75 SPR 10-16809
; Add a general routine to move some data by either RENAME
; or copy. Call this routine from several places in LNKXIT
; to prevent doing the wrong thing or getting ?LNKCNW messages.
; Routines: LNKERR,LNKXIT
;443 JNG 21-Oct-75 SPR 10-17617
; Avoid losing some of the local symbols if loading them into
; core or into the .SAV file and symbol segment is paging.
; Routines: LNKXIT
;444 JNG 21-Oct-75 SPR 17618/17686
; Don't lose libraries defined with the USELIB macro.
; Routines: LNKINI
;450 RKH 14-Nov-75
; Correct code to give error when FORTRAN code is loaded
; then F40 code and /MIXFOR is not set.
; Routine: LNKLOD
;451 RKH 14-Nov-75 SPR 10-17881
; Insert error message to identify file and module
; when LNKFON is given.
; Routine: LNKLOD
;452 RKH 14-Nov-75 SPR 10-17882
; Prevent only the module name from being printed on top
; of page when the astrisk seperators were printed on the
; preceding page.
; Routine: LNKMAP
;453 RKH 18-Nov-75 SPR 10-17637
; Correct listing of map index to prevent repeating names
; and losing others.
; Routine: LNKMAP
;454 JNG 21-Nov-75
; Allow (but ignore) block type 1060 (trace blocks) for MAKLIB.
; Routines: LNKPAR, LNKNEW
;455 RKH 10-Dec-75
; Do not bomb on absolute code seen after a HISEG
; pseudo-op (Link item type 3). Broken by edit 441
; Routines: LNKOLD
;456 JNG 9-Jan-76 SPR 16640
; Fix forced loading of F40 programs, as edits 274, 361, 417,
; and 432 attempted to do. Allow DATA statements in one
; segment to initialize COMMON defined in another segment.
; Shrink LNKF40 by 3 pages of code.
; Routines: LNKF40, LNKLOD
;457 JNG 10-Jan-76 SPR 17194
; Load FORJAK properly on /MIXFOR even if one flavor
; of FORTRAN isn't seen until libraries are searched.
; Routines: LNKLOD, LNKOLD, LNKLOW
;460 JNG 11-Jan-76 SPR 17100
; Don't generate a bad EXTTAB if multiple ambiguous requests
; in the same link.
; Routines: LNKOV2
;461 JNG 11-Jan-76
; Prevent loop in LNKCOR when loading overlays.
; Routines: LNKOV2
;462 JNG 16-Jan-76 SPR 17774
; Prevent EOF error in LNKXIT when /MIXFOR and paging
; by restoring R in .MXFOR after SEGCHK wipes it.
; Routines: LNKLOD
;463 JNG 16-Jan-76 SPR 17774
; Avoid losing symbols after printing a map.
; Routines: LNKMAP
;464 JNG 17-Jan-76 SPR 17814
; Implement the /MISSING switch and LNKIMM message.
; Routines: LNKPAR,LNKERR,LNKWLD,LNKLOD,LNKLOG
;465 JNG 17-Jan-76 SPR 17880
; Redo block type dispatch, since it thinks block type 100 is
; reserved for customers when it is reserved for DEC. Move
; the code to handle .ASSIGN (block type 100) out of LNKCST
; and into LNKOLD. The block types are defined as follows:
; 0 37 Reserved for DEC (LNKOLD)
; 40 77 Reserved for customers (LNKCST)
; 100 377 Reserved for DEC (LNKOLD)
; 400 401 Reserved for DEC (LNKF40)
; 402 577 Reserved for customers (LNKCST)
; 600 677 Reserved for customer special file types (LNKCST)
; 700 777 Reserved for DEC special file types (LNKOLD)
; 1000 1677 Reserved for DEC (LNKNEW)
; 1700 1777 Reserved for DEC special file types (LNKNEW)
; 2000 3777 Reserved for customers (LNKCST)
; 4000 777777 Reserved for ASCII text (LNKNEW)
; Note that this contradicts the software notebooks in that DEC
; has now reserved types 700-777, since type 776 was already
; RADIX50 symbol files, and type 777 was MACRO universal files.
; Routines: LNKLOD,LNKOLD,LNKCST
;466 JNG 4-Feb-76 SPR 18030
; Prevent a loop in LNKOV1 on a /NODE switch when loading
; relocatable overlays, esp. in small amounts of core.
; Routines: LNKOV1
;467 JNG 5-Feb-76 SPR 18030
; Set RC.PT to relocatable zero instead of absolute zero
; when the RC area is set up but the current overlay has
; no relocation info. This prevents ?ADDRESS CHECK in LNKOV2.
; Routines: LNKCOR, LNKOV2, LNKXIT
;470 JNG 9-Feb-76 SPR 18030
; Preserve left half of R when filling in global requests so
; relocatable overlays will work (relocation tables will be right)
; Routines: LNKLOD
;471 DGS/JNG 13-Feb-76
; Add code to support ALGOL debugging system.
; Routines: LNKPAR,LNKLOW,LNKCOR,LNKLOD,LNKOLD,LNKXIT,LNKNEW,LNKWLD,LNKERR
;472 JNG 20-Feb-76 SPR 18161
; Update hl.s1 on a /COMMON switch in case nothing more
; is loaded. Make COMMON defined by switch only appear in
; the map once.
; Routines: LNKWLD
;473 JNG 21-Feb-76 SPR 18455
; Delete all .TMP files when exiting due to a fatal error.
; Routines: LNKLOG
;474 JNG 21-Feb-76 SPR 18453
; Print the module name that caused the error in all F40
; produced error messages.
; Routines: LNKF40,LNKERR
;475 JNG 21-Feb-76 SPR 18452
; Replace all calls to .TYVER in LNKSUB with calls
; to .TVERW in SCAN to save space.
; Routines: LNKSUB,LNKMAP
;476 JNG 21-Feb-76 SPR 18558
; Insert missing FTOVERLAY conditionals.
; Routines: LNKHSH,LNKXIT
;477 JNG 28-Feb-76 QAR EG&G
; Count bound globals in global symbol table size when rehashing
; to avoid later ?LNKSIF errors.
; Routines: LNKHSH
;500 JNG 28-Feb-76 QAR RDH
; Fix bugs when reading in RADIX-50 symbol files, and
; allow /INCLUDE & /EXCLUDE to work with them.
; Routines: LNKOLD
;501 JNG 29-Feb-76
; Support SFD's on input symbol files and output overlay
; files. LINK could not find symbol files in the default
; path, and HALTed in LNKXIT when loading overlays.
; Routines: LNKFIO
;502 JNG 29-Feb-76
; Increase PDL size from 40 to 60, to avoid ?PDL OV error
; when indirect file went away during a switch.
; Routines: LNKPAR
;503 JNG 1-Mar-76 QAR BYU
; Fix bug in map routines printing index header at bottom of
; previous page instead of top of new page, caused by page output
; routine allowing pages to be LN.LPP+1 lines long, instead
; of LN.LPP lines. Since pages have been 56 lines long
; all this time anyway, increase LN.LPP to 56 to do it right.
; Routines: LNKPAR, LNKMAP
;504 JNG 8-Mar-76 QAR BYU
; Don't zero every 200'th word of the LS area when loading
; overlays.
; Routines: LNKOV1
;505 JNG 8-Mar-76 QAR EG&G
; Avoid ?LNKISN due to truncated EXTTAB.
; Routines: LNKOV1
;506 JNG 8-Mar-76 QAR EG&G
; Don't pull global symbols defined in a higher link into the
; current symbol table when searching a library containing
; alternate definitions for those symbols.
; Routines: LNKOLD
;507 JNG 9-Mar-76 QAR EG&G
; Avoid informational messages in map file when using /ERR:0
; Routines: LNKMAP
;510 JNG 11-Mar-76 QAR EG&G
; Generate correct fixup for relocatable symbols in LS area.
; Routines: LNKPAR,LNKLOD,LNKCOR
;511 JNG 13-Mar-76 QAR EG&G
; Make sure LS area fixups get done properly on /LINK.
; Routines: LNKCOR,LNKOV1
;512 DMN/JNG 15-Mar-76 QAR JMF/DLM
; Don't lose fixups when a chained request for a symbol is seen
; and an earlier request exists but is now completely paged out.
; Routines: LNKLOD
;513 JNG 15-Mar-76
; Combine common functions of T.776 and T.6 into subroutines.
; Routines: LNKOLD
;514 JNG 15-Mar-76
; Setup LH(R) correctly in RB.1 for relocatable overlays.
; Routines: LNKOLD
;515 JNG 17-Mar-76 QAR EG&G
; Prevent total confusion in overlay file when the LC area
; overflows to the disk in other than the root link. Respect
; PH.ADD always when paging and doing fixups. Make sure the
; ?W.S1 pointers always have PH.ADD subtracted from them.
; Routines: LNKOLD,LNKLOD
;516 JNG 21-Mar-76 QAR EG&G
; Correctly handle the case of LS area completely full, LNKCOR
; call is to expand LS area, and more of LS must be paged out
; to satisfy the request. This avoids %LNKSFU errors.
; Routines: LNKCOR
;517 JNG 21-Mar-76
; Make the first word of new symbol files (ALGOL) be
; type,,count. Also, change ABLLEN to LN.ABL.
; Routines: LNKPAR,LNKOLD,LNKNEW,LNKCOR,LNKXIT,LNKLOD
;520 JNG 21-Mar-76
; Delete LNKTMP as a module of LINK.
; Routines: LNKTMP
;521 JNG 21-Mar-76 QAR EG&G
; Initialize library searching data on /LINK so default
; libraries will be searched in overlays.
; Routines: LNKOV1
;522 JNG 22-Mar-76 QAR EG&G
; Get relocation bits right when filling in chained page fault
; fixups (PFF.xx).
; Routines: LNKLOD
;523 JNG 28-Mar-76 QAR NIH
; Cut disk overhead to 15% of current when high segment paging.
; This was broken by edit 320.
; Routines: LNKOLD
;524 JNG 28-Mar-76 QAR BYU
; Don't zero random words if symseg area reduced to one page.
; Routines: LNKXIT
;525 JNG 28-Mar-76 QAR RAP
; Avoid ?LNKCEF when core available by reducing wrong segment.
; Routines: LNKCOR
;526 JNG 29-Mar-76 QAR JMT
; Don't set reloc bits unless loading reloc overlays.
; This is a fix to edit 522.
; Routines: LNKLOD
;527 JNG 4-Apr-76
; Save R1 over TTLREL call in 776 processor.
; Routines: LNKOLD
;530 JNG 4-Apr-76
; Change triplet flag bit definitions to their true values and
; use the TXxx macros from C to reference them. This makes
; it much easier to re-arrange them later.
; Routines: LNKPAR,LNKINI,LNKWLD,LNKLOD,LNKHSH,LNKOLD,LNKF40,
; LNKCOR,LNKMAP,LNKXIT,LNKOV1,LNKOV2,LNKNEW
;531 JNG 13-Apr-76 SPR 18744
; Redo file type dispatch, and give a better error messgae if
; the user attempts to load a MACRO Universal file.
; Routines: LNKOLD,LNKERR
;532 JNG 1-May-76
; Get usage of CTYPE, MNTYPE, and various triplets in the
; LS area coordinated to fix several small bugs with library
; searching and printing maps when paging.
; Routines: LNKOLD,LNKLOD,LNKMAP
;533 JNG 4-May-76 SPR 19053
; Prevent LNKI4T message when loading large F40 programs
; due to incorrect byte count in BITC.
; Routines: LNKF40
;534 JNG 5-May-76 SPR 18399
; Correct several problems while command scanning:
; . Don't print a "*" if .OSCAN finds a SWITCH.INI entry
; . Put all file specs from the same .TEXT block in order
; . Don't apply switches from lines other than the first of one
; .TEXT block to the current file
; . Get sticky switches right on all command lines
; . Add a /CRLF switch to reset defaults as if a CRLF was seen
; . Allow multiple /LINK switches on one line
; Routines: LNKSCN,LNKWLD,LNKPAR,LNKLOW,LNKNEW,LNKOV1
;535 JNG 7-May-76 SPR 18774
; Don't forget to search user libraries on the next link after
; one for which one library pass loaded enough modules (at least
; one) to satisfy all remaining undefined globals.
; Routines: LNKLOD
;536 JNG 7-May-76
; Define the temporary symbol bits in LNKOV2 so that they
; will not conflict with the link number field of the symbol entry
; Routines: LNKOV2
;537 JNG 8-May-76 SPR 19226
; Put both high and low files in user's default path on /SAVE.
; Routines: LNKFIO
;540 JNG 8-May-76 SPR 19288
; Get the map right on /ONLY:HIGH and with zero length modules.
; Routines: LNKOLD,LNKMAP
;541 JNG 9-May-76 SPR 19325
; Fixup all call by name F40 subroutine prologue instructions
; [PUSH 0,N(16)] when loading with /MIXFOR.
; Routines: LNKLOD
;542 JNG 14-May-76 SPR 19689
; Make subroutine entry points be defined correctly after MIXFOR
; fixup when the LC area is paging.
; Routines: LNKLOD
;543 JNG 17-May-76 SPR 19335
; Fix LNKDUZ error when real definition supercedes partial
; definition, and make library searching smarter about already
; having partial definitions.
; Routines: LNKLOD, LNKOLD, LNKCOR, LNKPAR
;544 JNG 23-May-76
; SOUP in LINK version 3 stuff for TOPS-20
; Routines: LNKCOR,LNKPAR,LNKOLD,LNKLOD,LNKWLD,LNKXIT,LNKERR
;545 JNG 23-May-76 QAR RDH
; Make the .LINK pseudo op work when paging.
; Routines: LNKPAR, LNKOLD
;546 JNG 25-May-76
; Delete an extra instruction inserted by SOUP in edit 544.
; Routines: LNKOLD
;547 JNG 26-May-76
; Make LINK assemble with MACRO 51.
; Routines: LNKXIT
;550 JNG 27-May-76 QAR DLM
; Prevent ILL UUO on polish fixup to non-loaded local.
; Routines: LNKOLD
;551 JNG 27-May-76
; Change /SYMBOL to /SYFILE
; Routines: LNKPAR,LNKWLD
;552 JNG 27-May-76
; Organize .REQUEST/.REQUIRE data base & define offsets properly.
; Routines: LNKPAR,LNKOLD
;553 JNG 27-May-76
; Put edit 302 in once again (lost long ago).
; Routines: LNKOLD
;554 JNG 28-May-76
; Prevent ILL MEM REF on switches like /SAVE which have
; multi-word values.
; Routines: LNKPAR,LNKSCN
;555 JNG 19-Jun-76 QAR E.S.E
; Fix some bugs relating to ALGOL 7 support:
; . Always load global symbols into core (low seg) for ALGOL
; . Make the ALGOL symbol files have .RBSIZ exactly right
; Routines: LNKLOD,LNKXIT
;556 JNG 19-Jun-76
; Temporarily solve problem of HALT in LNKCOR when paging
; caused by edit 543 by checking in paging routines for existence
; of GS area and bypassing some code if no GS area. This
; can cause DDT symbol tables in core to be slightly wrong, but
; the real solution - re-doing part of LNKXIT so that the GS
; area can be kept around longer - is far too complex to do for
; the 2C/3A release of LINK.
; Routines: LNKCOR
;557 JNG 19-Jun-76
; Clean up the listing for release.
; Routines: Almost all of them
;START OF VERSION 3
;445 DMN 5-Nov-75
; include previous edits to fix polish symbol table fixups
; routine: LNKOLD, LNKLOD
;446 DMN 5-nov-75
; change switches and defaults to more useful values under TOPS20
; routine: LNKPAR, LNKWLD, LNKXIT, LNKERR, LNKCOR
;
;447 DMN 7-nov-75
; add 3 new polish operators
; routine: LNKOLD
;START OF VERSION 3A
;560 JNG 20-Jun-76
; Release on both TOPS-10 and TOPS-20 as LINK version 3A(560)
; Routines: All.
;START OF VERSION 4
;561 DCE 19-Jul-76 SPR 20359
; Fix up returns from F10 subroutines when MIXFOR set
; Routine: LNKLOD
;562 JNG 20-Jul-76 QAR CSM
; Prevent ?ILL MEM REF when searching an indexed library if an
; entry point is encountered that is already partially defined.
; Routines: LNKOLD
;563 JNG 20-Jul-76 QAR U. Chicago
; Prevent erroneous ?LNKIMM message when a module is indeed
; loaded, but not as a result of a /INCLUDE switch (user loaded
; it directly, or it contained entry point(s) which satisfied
; some undefined globals in /SEARCH mode).
; Routines: LNKOLD
;564 JNG 20-Jul-76
; Make LINK assemble properly with MACRO 52.
; Routines: LNKERR, LNKLOG
;565 DCE 21-Jul-76 SPR 20150
; Prevent LINK from doing bad things when loading
; block type 10 with the /ONLY:LOW switch set.
; ROUTINE: LNKOLD
;566 JNG 21-Jul-76 QAR EVS
; Prevent incorrect symbol tables in user's core image and maps
; that indicate that modules end at zero when paging.
; Routines: LNKCOR
;567 JNG 21-Jul-76 QAR SRM
; Prevent ?LNKISP message when a deferred global
; definition is seen for a symbol that is already defined.
; Routines: LNKOLD,LNKLOW
;570 JNG 22-Jul-76 QAR EVS
; Prevent loss of local symbols in DDT symbol table when
; some undefined symbols are present and the LS area is paging.
; Routines: LNKXIT
;571 JNG 19-Sep-76 QAR U. Ill.
; Prevent ?ILL MEM REF when one require file requires another.
; Routines: LNKOLD
;572 JNG 20-Sep-76 QAR EVS
; Make sure LS addr in core before doing POLISH symbol fixup.
; Routines: LNKLOD,LNKOLD
;573 JNG 21-Sep-76 QAR EG&G
; Prevent random USETO when ROOT of a relocatable overlay
; structure has no external symbols.
; Routines: LNKOV2
;574 JNG 30-Sep-76 SPR 20115
; Load OTS into low seg if no high seg exists yet and low
; seg is larger than 128K (256P).
; Routines: LNKLOD
;575 JNG 6-Oct-76 SPR 19781
; On /SAVE/EXECUTE, always specify extension of .LOW to
; the RUN UUO if a two-segment program so the monitor will
; ignore any .EXE file of the same name.
; Routines: LNKXIT
;576 JNG 2-Dec-76
; Correct usage of PT.SGN & PT.OTH in INTTAB hash table.
; Routines: LNKOV2
;577 JNG 6-Dec-76 SPR 21566
; Generate a fixup instead of HALTing when local block names
; are encountered and the LS area is paging to disk.
; Routines: LNKPAR,LNKOLD,LNKCOR
;600 JNG 17-Dec-76
; Change LNKHST &LNKLOW to load with each segment rather than
; assembling with each file. This saves much re-assembling when
; LNKHST is changed. Also change to use REL:SCAN.REL.
; Routines: LNKHST,LNKPAR,LNKLOW,LNKEXO,LNKSCN,LNKINI,*.CCL
;601 JNG 19-Dec-76 SPR 10-21427
; Print the correct version in the map if a /VERSION switch
; has been seen.
; Routines: LNKMAP
;602 JNG 19-Dec-76 SPR 10-21535
; Ignore ASCII text in non-loaded library modules.
; Routines: LNKNEW
;603 JNG 19-Dec-76
; Delete redundant assembly parameter PPDL, use LN.PPD
; everywhere.
; Routines: LNKPAR,LNKOLD
;604 JNG 20-Dec-76 QAR LSS
; Handle device NUL: correctly in all cases.
; Routines: LNKCOR,LNKFIO,LNKINI,LNKMAP
;605 JNG 21-Dec-76 QAR EJW
; Use OUTSTR's instead of OUTCHR's to TTY whenever possible.
; Routines: LNKLOD,LNKLOG,LNKOV1,LNKWLD
;606 JNG 21-Dec-76
; Get the protection of .HGH and .XPN files right.
; Routines: LNKXIT
;607 JNG 7-Jan-77 QAR PMH
; Make /HELP work on TOPS-20.
; Routines: LNKINI
;610 JNG 15-Jan-77 SPR 10-21730
; Modify file spec defaulting routines to handle ersatz devices
; correctly (e.g. [1,2,3]/DEFAULT:INPUT, then REL:HELPER
; as an explicit file spec).
; Routines: LNKFIO,LNKWLD
;611 DMN 21-Jan-77
; Add support for COBOL-74.
; Routines: LNKPAR,LNKMAP,LNKLOD,LNKERR
;612 JNG 22-Jan-77 QAR JBS
; Fix various polish bugs when a symbol is defined via a
; polish string, esp. if it is then referenced in another.
; Routines: LNKOLD,LNKLOD
;613 JNG 23-Jan-77 SPR 10-21868
; Load all user-defined default libraries before considering
; system default libraries so FOROTS will always go into the
; right segment.
; Routines: LNKLOD
;614 JNG 23-Jan-77
; Re-search FORLIB if more FORTRAN code is seen in ALGLIB.
; Routines: LNKLOD.
;615 JNG 23-Jan-77
; Never load blank file specs (broken by edit 610).
; Routines: LNKWLD
;616 JNG 23-Jan-77 SPR 10-21881
; Give a better error message than HALT if RENAMEs fail
; in LNKXIT.
; Routines: LNKXIT
;617 JNG 5-Feb-77
; Fix .REQUEST/.REQUIRE and /OVERLAY (broken by 610 and 615).
; Routines: LNKWLD
;620 JNG 6-Feb-77
; When merging a corrected file spec, don't overwrite the old
; device unless a new device was specified.
; Routines: LNKWLD
;621 MCHC 1-NOV-76
; /SAVE and /SSAVE switches generate an EXE file.
; /SAVE and /SSAVE no longer takes any argument.
; The code for generating .SHR/.HGH/.LOW is
; under conditional assembly FTEXE==0.
;622 MCHC 21-JAN-77
; Don't do HJBSET if there is no high seg.
; LNKXIT
;623 JNG 7-Feb-77 SPR 10-21908
; Don't blow up on two /PLOT switches
; Routines: LNKOV1
;624 JNG 23-Feb-77 SPR 10-21900
; Add a long message for ?LNKKIA.
; Routines: LNKERR
;625 JNG 24-Feb-77 SPR 10-21899
; Print an extra blank line in the log file after the ELN message.
; Routines: LNKPAR,LNKLOG,LNKOV1
;626 JNG 25-Feb-77 SPR 10-21898
; Don't search bound globals when a partial definition is seen
; Routines: LNKOLD
;627 JNG 27-Feb-77 SPR 10-21896
; Always type entire list of defining link numbers on %LNKARL
; message, even if list takes more than 5 character to type.
; Routines: LNKOV2
;630 JNG 27-Feb-77 SPR 10-21895
; Don't forget INCLUDEd or EXCLUDEd files after asking
; the user to correct an incorrect file specification.
; Routines: LNKLOD
;631 JNG 27-Feb-77 SPR 10-21894
; Print the correct file spec in the LNKEOV message.
; Routines: LNKOV1
;632 JNG 28-Feb-77
; Fix $LOCATION to always work, and add $FIXUP.
; Routines: LNKCOR,LNKLOD,LNKOLD,LNKOV1
;633 JNG 14-Mar-77
; Don't point any fixups at a Polish string until we're sure
; we want the Polish (might be /ONLY, non-loaded local, etc.)
; Routines: LNKOLD
;634 JNG 7-Apr-77 SPR 10-22464
; Never delete the user's input file on a fatal error, even
; if its extension is .TMP.
; Routines: LNKLOG
;635 JNG 10-Apr-77 SPR 10-22351
; Handle too many %LNKARL messages gracefully. This edit
; adds the /ARSIZE switch and the %LNKTMA and ?LNKABT
; messages.
; Routines: LNKPAR,LNKLOW,LNKINI,LNKOV1,LNKOV2,LNKSUB,LNKERR
;636 JNG 17-Apr-77
; Make TTYIT preserve T1, avoid ^H's to the TTY.
; Routines: LNKINI
;637 JNG 17-Apr-77
; Always give batch jobs the continuation error text on fatal
; errors, since there is no user to type "continue".
; Routines: LNKLOG
;640 JNG 17-Apr-77
; Avoid further disk overflow in LNKMAP if possible.
; Routines: LNKMAP,LNKCOR
;641 MCHC 10-FEB-77
; Always do HC.OUT of what's in core to ensure updated vestigial
; JOBDAT before generating an EXE file.
; LNKXIT
;642 MCHC 11-FEB-77
; Uses EXE file extension for the disk file generated as result of
; not having enough core (in JBNC).
; LNKXIT
;643 MCHC 15-FEB-77
; Fix bug with switch settings of P4, used to indicated an
; EXE directory entry whould be output in XCMPRL routine.
;644 MCHC 15-FEB-77
; Don't do JSYS 147(RESET) if EXIT rather than START is requested.
; This prevent PA1050 to come back into core.
; LNKXIT (TOPS20==1)
;645 MCHC 10-MAR-77
; While expanding LC to accomodate the symbol table at end
; and there is no more core (error return from LNKCOR) and no paging yet
; in LSREQ, page out to disk for the first time.
; LNKXIT.
;646 MCHC 10-MAR-77
; Dont touch a high seg page after the high seg is removed in %LOW
; LNKXIT
;647 MCHC 26-Apr-77
; Don't clear unneeded memory in LNKXIT (better VM performance)
; Routines: LNKXIT
;650 JNG 28-Apr-77
; Use VM on TOPS-10 if available under FTVM.
; Routines: LNKPAR,LNKLOW,LNKINI,LNKCOR,LNKOLD,LNKLOG,LNKMAP,
; LNKERR,LNKOV1,LNKOV2,LNKXIT,LNKWLD
;651 JNG 2-May-77 SPR 10-22609
; Put the overlay file where the user specifies.
; Routines: LNKOV1
;652 JNG 13-Jun-77 SPR 10-22456
; Avoid bad .SAV file when paging to disk. Much of user's
; program will be overwritten with some word from the program.
; Routines: LNKXIT
;653 JNG 13-Jun-77 SPR 10-22957
; Fix /SYSLIB with an argument. Broken by edit 457.
; Routines: LNKWLD
;654 JNG 15-Jun-77 SPR 10-22528
; Don't lose common block names from local symbol table.
; Routines: LNKLOD,LNKOLD
;655 JNG/JLd 24-Jun-77 SPR 10-23152
; Don't print an erroneous module name in the map when the start
; address is specified with a switch.
; Routines: LNKWLD
;656 JNG 11-Jul-77 QAR JMF
; Don't try to supercede an old output file if we find it
; on the user's library.
; Routines: LNKFIO
;657 JNG 12-Jul-77 QAR JMF
; Don't blow up while trying to delete temp files on a fatal
; error if IO.EMG area doesn't exist.
; Routines: LNKLOG
;660 JNG 12-Jul-77 QAR DMN
; Clear all .LINK storage at the end of each overlay.
; Routines: LNKOV1
;661 JNG 13-Jul-77 QAR BLISS-36
; Make the %LNKMDS message only a warning level (L%W).
; Routines: LNKLOD,LNKERR
;662 JNG 14-Jul-77 QAR DZN
; Update NAMPTR in T.776 so block-structured symbol
; files will work.
; Routines: LNKOLD
;663 JNG 30-Sep-77 SPR 10-24037
; Save GS.FR over LNKCOR call in LNK999.
; Routines: LNK999
;664 JNG 6-Oct-77 QAR Gene Spadi
; Don't destroy last word of bound globals on /NODE:0.
; Routines: LNKOV1
;665 JNG 7-Oct-77
; Fix core management bug with overlays. Broken by edit 650.
; Routines: LNKOV1
;666 JNG 24-Oct-77
; Fix edits 650 and 665, this time for sure.
; Routines: LNKOV1
;667 JNG 25-Oct-77
; Call correct paging routine to move window way up.
; Routines: LNKLOD
;670 JNG 25-Oct-77
; Don't overwrite DY.LNK in core shuffler.
; Routines: LNKCOR
;671 JNG 25-Oct-77 SPR 10-24076
; Don't leave a bad relocation table pointer lying around
; if an overlay has no relocation table or "other" relocation
; table, but the previous overlay did.
; Routines: LNKOV1
;672 JNG 25-Oct-77 QAR JLd
; Handle PPN's in request/require blocks correctly.
; Routines: LNKLOD
;673 JNG 25-Feb-78
; Update all of LINK's error messages to reflect the latest
; LINK manual. The FON, ILI, and LIT messages have been
; replaced by the MSR, IRB, and RBS messages. All of the
; long messages in LNKERR have been replaced by the
; explanation of the error from appendix B of the LINK manual.
; Routines: LNKERR,LNKOLD,LNKLOD
;674 JNG 26-Feb-78
; GETTAB the full path that LINK was run from so we can
; GETSEG our other high segments, even if we were run
; from an SFD. Requires TOPS-10 6.04 or later.
; Routines: LNKPAR,LNKLOW,LNKINI
;675 (Withdrawn)
;676 JNG 26-Feb-78
; Move the POPLP routine from LNKLOW to LNKINI.
; Routines: LNKLOW, LNKINI, LNKCOR
;677 JNG 27-Feb-78
; On TOPS-20, don't load symbols by default if loading
; overlays, since they cause much overhead at runtime.
; They will still be loaded on /SYMSEG or /DEBUG or /TEST.
; Routines: LNKINI,LNKLOD,LNKOV1,LNKOV2,LNKWLD
;700 MCHC 6-MAY-77
; Put in PSECT index check in polish block handling.
; LNKOLD
;701 MCHC 26-May-77
; Check for libaray search processing in block type 100.
; LNKOLD
;702 MCHC 26-May-77
; Save AC R on stack before a PUSHJ @ in Type 776 processing.
; LNKOLD
;703 MCHC 26-May-77
; Add CBL79, BLISS36, and BASIC-2 to list of compiler types.
;704 MCHC 5-JUL-77
; Don't write out EXE-dir for non-existant pages.
; LNKLOD, LNKXIT
;705 MCHC 6-JUL-77
; Wait for the file to be loaded before doing /SYMSEG.
; LNKWLD
;706 MCHC 26-JUL-77
; Add RC.NTB which contains a pointer to relocation tables that
; are ordered by the order seen by LINK. This is the permanent
; order that will be kept throughout the entire load.
; Any delayed fixups containing PSECT index must be converted
; to the permanent index number by this table.
; LNKLOW, LNKINI, LNKWLD, LNKOLD
;707 MCHC 2-AUG-77
; Keep global fixup chains separate if the first chain doesn't
; come before the new chain.
; LNKOLD
;710 MCHC 2-AUG-77
; Move hiseg to begin at 540000.
; LNKPAR
;711 MCHC 8-AUG-77
; Fix bug in MAP when only 1 PSECT in a module.
; LNKOLD, LNKMAP
;712 MCHC 8-AUG-77
; Add a check for PSECT index when a global is defined and
; stored fixups are being checked.
; LNKLOD
;713 MCHC 12-AUG-77
; Fix bug with a sparse EXE-directory.
; LNKXIT
;714 MCHC 16-AUG-77
; Add PSECT-name as a global symbol having
; origin as its value.
; LNKWLD
;715 MCHC 1-SEP-77
; Modify SYMSEG to to take PSECT name.
; LNKPAR, LNKLOW, LNKWLD, LNKXIT
;716 MCHC 9-SEP-77
; Performance improvements for loading large PSECTed programs:
; 1. When moving the window down, write out what we have
; and read in only as much as LN.WD.
; 2. When moving the window up, and the addr is already
; out on disk, don't bother to expand, just write
; out what we have and read in as much as LN.WD.
; LNKLOD
;717 MCHC 19-SEP-77
; Setup correct LINK addr to give back when reading from disk
; is less than current core size.
; LNKLOD
;720 MCHC 19-SEP-77
; Allow moving up of a block larger than 400000 by separating
; it into two steps.
; Also do the reverse BLT(POP loop) in memory rather than in the
; ACs on -20.
; LNKLOW, LNKCOR
;721 MCHC 19-SEP-77
; Change /SYMSEG to /SYMSEG:PSECT:psectname for taking
; PSECTNAME.
; LNKPAR, LNKWLD
;722 MCHC 20-SEP-77
; Implement PSECT attributes.
; LNKPAR, LNKOLD, LNKXIT
;723 MCHC 20-SEP-77
; Add /UPTO:octalnumber to allow user specification of
; symbol table upper limit.
; If not specified limit default to next PSECT origin.
; If limit .GT. next-PSECT-origin, overlaying will occur.
; LNKPAR, LNKWLD, LNKXIT
;724 MCHC 23-SEP-77
; Check for symbol table range in INGAP routine.
; LNKXIT
;725 MCHC 26-SEP-77
; Fix bug with incrementing process page when writing out
; overlay symbol table into EXE file.
; LNKXIT
;726 MCHC 20-OCT-77
; Fix bug in INGAP routine in LNKXIT.
;727 MCHC 3-NOV-77
; Give "Insufficient space" error message when symbol table
; has to be truncated to avoid overlay into high segment.
; LNKINI, LNKWLD,LNKXIT
;730 MCHC 10-NOV-77
; Allow proper loading of /DEBUG:XXX with /LINK.
; LNKLOW, LNKWLD, LNKOV1
;731 MCHC 17-NOV-77 QAR 10-02191(Stevens)
; Replace SEARCH C with SEARCH MACTEN, UUOSYM.
; Use symbols .SVXXX from UUOSYM.
; LNKPAR, LNKXIT
;732 MCHC 29-NOV-77
; Fix bugs related to loading code into the last page 777.
; LNKPAR, LNKLOW, LNKINI, LNKOLD, LNKXIT
;733 MCHC 30-NOV-77
; Fix bug with allocated high seg pages generating bad EXE format.
; LNKXIT
;734 MCHC 12-DEC-77 Stevens(QAR 10-02197)
; Add KL in CPUs. Do mix code check for KL & KA, and KL & KI.
; LNKPAR, LNKLOD
;735 MCHC 12-DEC-77 Stevens(QAR 10-02198)
; Remove REPEAT 0 around polish operators:
; MAX(20), MIM(21), EQ(22), LNK(23), DEF(24)
; and polish store operators: MOVEM(-7)
; LNKOLD
;736 MCHC 12-DEC-77 Stevens(QAR 10-02203)
; Change overflow file protection to standard protection.
; LNKCOR
;737 MCHC 15-DEC-77
; Clear link list pointer after it's given back
; LNKLOD
;740 PAH 17-DEC-77 Worcester Tech(QAR 10-02183)
; Remove /VERSION switch handling. Add handling of
; F.VER SCAN block field to DVOUT. and DVINP.
; LNKPAR, LNKSCN, LNKWLD, LNKFIO
;741 MCHC 29-DEC-77
; After a new segment is read in core from disk, and fixup chain
; is traversed for possible fixups in to the new segment,
; compare the fixup address with the window range.
; LNKLOD
;742 MCHC 30-DEC-77
; Don't force dump of one page unless first code is over 128k.
; LNKOLD, LNKXIT
;743 MCHC 10-JAN-78 EG&G(QAR 10-02217)
; When calculating offset relative to a block, use symbol .DBM
; LNKOV2
;744 MCHC 10-JAN-78 Worcester Tech(QAR 10-02244)
; Fix bug with EXE-file size calculation for LINK to
; pre-allocate enough blocks.
; LNKXIT
;745 MCHC 11-JAN-78
; Set default symbol table limit to 777777. If .HIGH. encountered,
; the defualt symbol table limit is adjusted to .FRESP+1 words
; before high segment origin.
; LNKPAR, LNKOLD
;746 MCHC 11-JAN-78
; Add a CHKBND routine to check for PSECT overlap right before
; going to LNKXIT.
; LNKLOD
;747 MCHC 18-JAN-78
; After relocation table is sorted, make sure LOWLOC is updated,
; especially if there was no code in .LOW. but space allocated,
; before going to LNKXIT.
; LNKLOD
;750 MCHC 24-JAN-78
; Reserve 2 page windows to allow code to come in that spans
; the page boundary.
; LNKPAR, LNKINI, LNKCOR
;751 MCHC 25-JAN-78
; Fix bug with calculation of space to give back in PG.SD.
; LNKLOD
;752 MCHC 26-JAN-78
; Add code in CPUTST routine to convert a CPU-code from Block 6
; into correct dispatch table offset for inconsistency check
; routines. Also, remove part of edit 734, and make KL check
; same as KI.
; LNKLOD
;753 MCHC 20-FEB-78
; Fix bug in routine SETRCY--save current RC slot, and move to new
; place.
; LNKOLD
;754 MCHC 20-FEB-78
; When LC(or HC) needs to be paged for the first time for adding
; symbol table at end, prevent overflow of LS area.
; LNKXIT
;755 MCHC 22-FEB-78
; Add a table TAB.ZE and some code to allow zeroing of free space
; (the space between TAB.AB and TAB.UB) for only the areas needed,
; meaning either the AB or the UB value was changed. This prevents
; unnecessary BLTs and improves loading performance for medium
; to large programs.
; LNKLOW, LNKCOR
;756 MCHC 22-FEB-78
; Fix bug in PSECT attribute bit definitions.
; LNKPAR
;757 MCHC 22-FEB-78
; Type out value of RC.HL(highest location) rather than RC.CV
; (current value) for overlayable PSECT when doing /COUNTER.
; Dont'clear RC.HL for overlayable PSECTs in Block 5 processing.
; LNKWLD, LNKOLD
;760 MCHC 22-FEB-78
; Expand PSECT overlap checks to check each PSECT with all others.
; LNKXIT
;761 MCHC 22-FEB-78
; Define a relocatable PSECT bit in PSECT attribute. Give error
; if code is generated into PSECT of unknown origin(relocatable
; PSECT not implemented in this version).
; LNKPAR, LNKLOW, LNKWLD, LNKOLD
;762 MCHC 25-FEB-78
; When paging occurs with high LOWLOC value(lowest code addr.),
; read in the right pages at the start of EXE file generation.
; LNKXIT
;763 MCHC 28-FEB-78
; Add block 24 so that:
;
; Block 22 SET PSECT block
; Contains PSECT index(or PSECT name if block 24 not used).
; Used to set the current relocation counters.
; Interspersed in block 1s and block 2s.
; Block 23 PSECT end block
; Contains PSECT name and break.
; A set of block 23s appears at end of a load module.
; Maybe used to order PSECTs, if block 24s are not used.
; Block 24 PSECT header block
; Contains PSECT name, attributes, PSECT index and origin.
; A set of block 24s appears at the start of a load module.
; Creates a relocation counter if needed for this PSECT.
; Orders the PSECTs of a module.
; If block 24s are not used: Block 22 must supply the PSECT name, and
; block 23s are used for ordering. A zero origin in block 22 is
; assumed to be a relocatable PSECT. Thus, /SET switch is required
; to set origin.
; LNKWLD, LNKOLD
;764 MCHC 28-FEB-78
; Update LOWLOC (the lowest location) in GETSST(get start of symbol
; table) routine incase symbol table is lower than code.
; LNKXIT
;765 MCHC 28-FEB-78
; Release on both TOPS-10 and TOPS-20 as LINK version 4(765)
; Routines: All.
;START OF VERSION 4A
;766 MCHC 17-MAR-78
; Store correct KL code(offset calculated by JFFO) for inconsistancy
; check of modules to come.
; LNKLOD
;767 MCHC 17-MAR-78
; Clear AC P2(required size) when coing forced dump of LC area,
; which returns through LNKCOR and will cause looping if
; garbage is in it.
; LNKOLD
;770 MCHC 17-MAR-78
; Add code to allow paging for the first time in routine to
; output undefined symbols(especially if undefined symbol table
; does not begin at end of a chunk of code.)
; LNKXIT
;771 MCHC 23-MAR-78
; Fix bug in doing large (.GT. 400000) pop loop in 2 chunks.
; LNKCOR
;772 MCHC 23-MAR-78
; Edit 770 did not adjust start of symbol table that came after
; the undefined symbol table.
; If /SET:FOO:nnnnnn/SYMSEG:PSECT:FOO is used so that a PSECT
; was created just for the symbol table, the following should
; happen:
; PAT..=nnnnnn
; .JBUSY (117)/ -U,,PAT..+100
; where U is the length of undefined symbol table
; .JBSYM (116)/ -L,,PAR..+100+U
; where L is the length of the symbol table
; LNKXIT
;773 JNG 30-Apr-78
; Fix GSDLT in LNKXIT to not leave some area's UB
; pointing beyond .JBREL if the GS area is already gone.
; Routines: LNKXIT
;774 JNG 30-Apr-78 SPR 10-25711
; Fix bad calculation of UW in EXE file writer.
; Routines: LNKXIT
;775 DZN 1-May-78 SPR 20-11396
; Make sure /DEBUG:FORTRAN loads the starting address of
; FORDDT and not the user's program (unless explicit /START).
; Routines: LNKWLD
;776 DZN 4-May-78 SPR 10-23733
; Fix address check and lost .JBVER when loading small programs
; with /SAVE and no data in core-image pages 0 or 1.
; Routines: LNKXIT
;777 DZN 18-May-78 SPR 10-24008
; Fix allocation of COMMON blocks when a COMMON block is first
; referenced but not defined, then later defined. Also document
; SY.RF as destroying P1-P4.
; Routines: LNKOLD, LNKLOD
;START OF LINK 5I
;1000 MCHC 14-Mar-78
; Support block type 1070 -- long symbol names.
; Set assembly switches for extended symbols and new blocks:
; .EXSYM==-1
; .NWBLK==-1
; LNKPAR, LNKLOW, LNKOLD, LNKNEW,LNKMAP,LNKWLD
;1001 MCHC 5-May-78
; Add block type 1072 -- Polish block supporting long names.
; LNKOLD, LNKNEW
;1002 MCHC 8-Jun-78
; Add code to do insert of long name plus a fixup triplet.
; LNKNEW, LNKOLD
;1100 DZN 23-May-78 SPR 10-24042
; Fix LNKMAP to correctly free the index blocks it uses for sorting,
; to keep the integrity of the DY area.
; Routines: LNKMAP
;1101 JNG 29-May-78 SPR 10-23623
; Fix LINK to correctly load indexed libraries that contain modules
; which have no entry points and thus do not appear in the index
; when indexed with MAKLIB.
; Routines: LNKOLD,LNKLOD,LNKWLD,LNKLOW
;1102 DZN 18-Jun-78 SPR 20-11085
; Fix paging routines to detect moving a window past 512P. In this
; case, make the end of the window set right at 512P.
; Routines: LNKLOD
;1103 DZN 19-Jun-78
; See that the list of .REQUEST/.REQUIRE blocks is not freed twice,
; to preserve the integrety of the DY area.
; Routines: LNKLOD
;1104 JNG 20-Jun-78
; Fix address checks when dumping LC or HC area to disk. Remove
; edit 750 in LH.DMP, so we will never try to shrink the current
; area by more pages than the area has.
; Routines: LNKCOR
;1105 JNG 20-Jun-78
; Fix edit 740 to not destroy an AC that held the input file's PPN.
; This caused LINK to not be able to find a file when the user gave
; an explicit path including SFDs.
; Routines: LNKFIO
;1106 JNG 27-Jun-78 QAR RDH
; Update HL.S1 from RC.CV of the highest PSECT loaded at the end of
; loading. This causes the EXE file generator to allocate all of
; the pages that it should if the last PSECT ends with a BLOCK statement.
; Routines: LNKLOD
;1107 MCHC 3-Aug-78
; Fix bug in .SETEX--routine to expand RC.TB and RC.NTB tables
; in DY area by obtaining bigger spaces, copying the data from
; the old tables, and freeing the old table spaces.
; The bug was in address calculation in freeing one of the tables.
; The code is re-arranged to do a DY.GET followed by DY.RET
; then another DY.GET and DY.RET
; LNKWLD
;1110 MCHC 7-Aug-78
; Type out the PSECT name as part of the error message when a
; non-existent one is used with /SYMSEG in GETSST routine.
; Don't clear the name from memory cell, loop back without restoring the
; stack and treat this case as a default case.
; LNKXIT
;1111 MCHC 7-Aug-78
; Fix LNKXIT core management bug introduced by edit 772.
; LNKXIT
;1112 JNG 15-Aug-78 SPR 10-25902
; Fix one off bugs in map printing segment lengths in K/P and
; words free.
; Routines: LNKPAR, LNKMAP
;1113 DZN 25-Aug-78 SPR 20-12001
; Fix memory management problems when plotting the overlay
; tree. See that LINK never shrinks back on TOPS-20 until final
; placement of the loaded program. Add LNKPOT message to tell user
; when LINK is plotting the overlay tree.
; Routines: LNKCOR, LNKXIT, LNKPLT, LNKERR
;1114 DZN 1-Sep-78 SPR 20-11999
; Zero count of COBOL symbol words and ALGOL OWNs loaded when
; done loading a module, so they don't get counted in subsequent
; modules in the same file.
; Routines: LNKOLD, LNKLOD
;1115 DZN 2-Sep-78 SPR 20-11997
; Add LNKHCL message to complain when loading high segment code
; into a link other than the root in an overlaid program.
; Routines: LNKERR, LNKOLD
;1116 JNG 7-Sep-78
; Put back part of the code removed by edit 716. Performance
; improvements are only kosher as long as the code removed is
; unneeded.
; Routines: LNKLOD
;1117 DZN 14-Sep-78
; Make /INCLUDE:args also set include mode, as it did long ago.
; But also add /NOINCLUDE to turn off include mode but not
; delete the original args.
; Routines: LNKPAR, LNKWLD
;1120 DZN 22-Sep-78 SPR 10-26135
; Fix CPU mismatch checks so that they work. Remove edit 766,
; revamp all CPU check code to use a bit mask of valid CPUs,
; delete the LNKKIA message and add LNKCCD, and change the
; map to include the correct information. Also, make the map
; show which CPUs the entire program can be run on.
; Routines: LNKPAR, LNKERR, LNKOLD, LNKLOD, LNKINI, LNKMAP, LNKLOW
;1121 JNG 4-Oct-78 QAR JMF
; Fix LNKXIT bug so .JBSYM ptr won't include the undefined symbol
; table. This was broken by edit 772.
; Routines: LNKXIT
;1122 DZN 5-Oct-78 SPR 10-26222
; Remove edit 740, which attempted to use SCAN's /VERSION switch,
; rather than LINK's. SCAN's switch is a file-specific switch, which
; is not the way LINK wants it to work. However, still fix the original
; problem (having to type /VERSION to 6 characters to work) by making
; LINK's /VERSION switch unique to any abbreviation.
; Routines: LNKPAR, LNKSCN, LNKWLD, LNKFIO
;1123 DZN 10-Oct-78 SPR 10-26580
; Use HRLI instead of HRL to load ENTER error flag.
; Routines: LNKFIO
;1124 DZN 11-Oct-78 SPR 10-26712
; Edit 636 broke LINK's ability to be run execute-only. Fix
; this by making the TTY log routine once more return into the
; potentially execute-only high segment properly.
; Routine: LNKINI
;1125 JNG 1-Nov-78 SPR 10-26379
; Don't try to run the high segment file on /SAVE/RUN (or /SAVE/DEBUG)
; when generating an EXE file. This fixes ?nnnLHC.EXE not found when
; the user types the above switches and the HC area has overflowed.
; Routines: LNKXIT
;1126 JNG 1-Nov-78 SPR 10-26433
; If all 7.01 GETTABs to determine where we came from are not available,
; use the contents of the ACs to do GETSEG UUOs.
; Routines: LNKINI
;1127 JNG 14-Nov-78 QAR DIB
; Set up the module length for PAT.. in the runtime symbol table.
; Routine: LNKXIT
;1130 DZN 26-Jan-79 SPR 10-27212
; Make LINK honor /MAXCOR correctly when a request for memory in a
; pagable area is made. In this case, edit 650 made LINK count the
; memory request toward the /MAXCOR value, even though the window
; can simply be moved.
; Routine: LNKCOR
;1131 DZN 26-Jan-79 SPR 10-27123
; Make LINK decide to load a non-sharable OTS if the low segment
; has grown within 40 pages of the origin of the OTS high segment
; rather than letting the low segment grow past it first.
; Otherwise, the low segment may cross the beginning of the OTS
; during the system library search when it is too late to fix it.
; Routine: LNKLOD
;1132 JNG 30-Jan-79 SPR 10-26576
; Re-work EXE file writer to fix several problems, including:
; . PSECTs above the high segment not written properly.
; . Absolute code not loaded correctly.
; . Bad EXE directory if loading overlays and small /SPACE switch.
; . PSECT attributes not written into the EXE file.
; . Page 1 written into page 0 if page 1 is lowest page containing code.
; . Address checks when writing the EXE file.
; . Bad EXE file if EXE directory is longer than two pages.
; . ?LNKCNW or bad DDT symbol table when loading PSECTs.
; Routines: LNKPAR, LNKINI, LNKLOD, LNKOLD, LNKWLD, LNKXIT.
;1133 JNG 30-Jan-79 SPR 10-26576
; Add a long message for the LNKSTL message.
; Routine: LNKERR
;1134 JNG 30-Jan-79 SPR 10-27024
; Avoid address check in LNKXIT while writing EXE file if lowest
; code loaded is between 2000 and 377777, but the program being
; loaded is not so large that LINK needs to overflow to disk.
; This edit is an extract of part of edit 1132.
; Routines: LNKXIT
;1135 DZN 31-Jan-79 SPR 10-26792
; Force PG.SU to expand anyway if a request crosses a page boundary
; and the window is not at least two pages long.
; Routine: LNKLOD
;1136 JNG 31-Jan-79 SPR 10-26518
; Avoid IO to unassigned channel in LNKXIT while writing an EXE file
; if segment ends on last word of a page and LINK is not paging to disk.
; This edit is an extract of part of edit 1132.
; Routine: LNKXIT
;1137 JNG 1-Feb-79 SPR 20-12411
; Don't change RC.CUR in T.24. Also set default PSECT name to left-
; justified .LOW. (not right-justified) if name not given in block.
; Routine: LNKOLD
;1140 JNG 6-Feb-79 SPR 10-26410
; Clear LSTSYM when a non-loaded local is encountered.
; Routine: LNKOLD
;1141 JNG 15-Feb-79 SPR 10-26290
; Make the EXE file writer stop writing when it passes the size
; of the user program, instead of writing the entire LC area.
; This edit supercedes edit 1136 and is an extract of edit 1132.
; Routine: LNKXIT
;1142 JNG 16-Feb-79
; Fix problems with multiple /SET:.HIGH.s introduced by edit 1132.
; Routine: LNKWLD
;1143 JNG 16-Feb-79 QAR CKS
; Make sure symbols never get into the LS area before a module name.
; If they try (/NOINITIAL/SET), dummy up a module name from the symbol.
; Routine: LNKLOD
;1144 DZN 16-Feb-79 SPR 20-12473
; Clean up code to run the .EXE file so that PA1050 is not left in
; memory on TOPS-20, and so that more of the final messages use .ERR.
; instead of OUTSTRs.
; Routines: LNKERR, LNKLOG, LNKLOW, LNKPAR, LNKWLD, LNKXIT
;1145 DZN 22-Feb-79
; Load local symbols and store symbol table pointers on TOPS-20 if
; /DEBUG:DDT and leaving program in memory. Broken by edit 1144.
; Routines: LNKXIT, LNKWLD
;1146 DZN 8-Mar-79 SPR 10-26290
; Change the 'Not enough core to load' message to 'Program too complex'.
; Then cause more cases to force .EXE file generation (e.g., PSECTs above
; high segment, gaps between PSECTS).
; Routines: LNKPAR, LNKXIT, LNKERR
;1147 JNG 12-Mar-79
; Avoid bad EXE file if lowest location loaded is above 400000, LINK
; is overflowing to disk, and lowest location loaded was not the first
; location loaded (i.e., load was not monotonic).
; Routine: LNKXIT
;1150 DZN 14-Mar-79 SPR 10-27632
; Make LOGINI in LNKINI.MAC use standard LKNFIO routines to set up the log
; file, so that the default path of a log file is preserved over the
; ENTER.
; Routine: LNKINI
;1151 JNG 29-Mar-79
; Add the new Job Data Area location .JBEDV to the initial symbols.
; Routine: LNKINI
;1152 JNG 3-Apr-79
; Get EXE file right when loading overlays. Broken by 1132.
; Routines: LNKOV1, LNKXIT
;1153 JNG 12-Apr-79 QAR JBD
; Give LNKIPX message if a Define PSECT block (type 24) contains
; an invalid PSECT index.
; Routine: LNKOLD
;1154 JNG 12-Apr-79 QAR JBD
; Re-write T.23 to fix the following problems:
; . Don't re-define the PSECT indices in terms of the order of block 23s.
; . Don't require a name of zero in the first block 23.
; . Don't do a set PSECT (block type 22) action on block type 23.
; . Expect PSECT index instead of name in first word (name still works).
; Routine: LNKOLD
;1155 JNG 13-Apr-79 QAR JBD
; Allow PSECT .HIGH. to be synonymous with TWOSEG.
; Routines: LNKOLD, LNKWLD
;1156 JNG 13-Apr-79 QAR JBD
; Relocate the breaks in block type 5 with respect to .LOW.
; every time, even if the current PSECT is not .LOW..
; Routine: LNKOLD
;1157 JNG 13-Apr-79 QAR DZN
; Suppress the PSECT name global symbols to DDT typeout.
; Routine: LNKWLD
;1160 JNG 14-Apr-79 QAR TW/JMF
; Don't put junk in runtime undefined symbol table for symbols
; that are used in Polish blocks.
; Routine: LNKXIT
;1161 JNG 4-May-79 SPR 10-27727
; Clean up Psect printout in map.
; Routines: LNKSUB, LNKMAP.
;1162 JNG 4-May-79 SPR 20-12825
; Set up DDT's symbol table pointers on /DEBUG/SAVE. This edit is
; an extract of edit 1144.
; Routines: LNKXIT
;1163 JNG 8-May-79 QAR DC
; Never mark .HIGH. as relocatable, since we default its origin.
; This was broken by edit 1155.
; Routine: LNKWLD
;1164 JNG 8-May-79 SPR 10-27598
; Don't overwrite the first page of the FX area when writing a map
; if the LS area is paging and the last piece of the area exactly
; fits into the window.
; Routine: LNKMAP
;1165 DZN 15-May-79 SPR 10-27925
; Zero LSTSYM whenever a call to SY.RLS says a symbol requested for symbol
; table fixup was not the last symbol loaded. This prevents symbol fixup
; requests from finding a long-obsolete symbol in LSTSYM that just happens
; to match.
; Routine:LNKLOD
;1166 JNG 15-May-79
; Don't allow PSECT indices in Polish blocks unless the first halfword
; was the default PSECT index for the block.
; Routine: LNKOLD.
;1167 JNG 17-May-79 QAR 10-3081
; Don't allow symbols typed as switch arguments to begin with digits.
; Routines: LNKSCN
;1170 JNG 23-May-79 SPR 10-27945, QAR 10-3070, 10-3087
; Fix some memory management problems in LNKXIT when not writing an
; EXE file.
; Routine: LNKXIT
;1171 JNG 30-May-79 QAR 10-3049
; Fix edit 1146 to say LNKPCL even on TOPS-10 if it doesn't like
; the PSECT attributes.
;1172 JNG 5-Jun-79
; Fix many memory management problems when writing a runtime symbol
; table, especially when psects are involved.
; Routines: LNKPAR, LNKINI, LNKOV1, LNKOV2, LNKWLD, LNKXIT
;1173 JNG 10-Jun-79
; Update RC.HL on /COMMON.
; Routine: LNKWLD
;1174 DZN 10-Jun-79 SPRs 20-12548, 20-12244, QAR 10-03199
; Revamp all error messages.
; . Label all messages with E$$xxx:: or Ennxxx:: so messages can be found
; when debugging. E$$xxx should be the label of the .ERR. (or its
; preceeding PUSH P,[channel]) that defines the .ERxxx text block.
; Ennxxx should be the label of all other .ERR.s with the same assigned
; mnemonic, with nn starting at 01.
; . Include the module and file name in which an error was detected in all
; applicable messages.
; . Make .OERR. synonamous with OUTSTR for use in place of .ERR. when a
; message must be printed with an OUTSTR, so that all such messages can
; be found easily.
; . Make the list of messages and long text in LNKERR and the actual
; messages in LINK agree.
; . Fix log device being a terminal other than the controlling one.
; . Clean up the wording of all messages to be more consistent.
; Routines: All
;1175 JNG 12-Jun-79
; Fix /START and /UPTO with symbols as arguments.
; Routines: LNKLOD, LNKWLD, LNKERR
;1176 JNG 12-Jun-79
; Disallow /SYMSEG:PSECT:name with /OVERLAY.
; Routine: LNKWLD
;1177 JNG 12-Jun-79
; Make /VERSION in global context not lose local switches.
; Routines: LNKPAR, LNKWLD
;1200 JNG 13-Jun-79
; If loading reentrant FOROTS, search SYS:FORLIB/SEGMENT:LOW.
; This is required for FOROTS version 6 and later.
; Routine: LNKLOD
;1201 JNG 13-Jun-79
; Disallow /SEGMENT:PSECT, which worked because it used the same
; keyword table as /SYMSEG.
; Routines: LNKPAR, LNKLOD, LNKOV1, LNKOV2, LNKWLD
;1202 JNG 14-Jun-79
; Fix /VERSION after 1172, and make LINK assemble on TOPS-20
; after edit 1174.
; Routines: LNKPAR, LNKFIO, LNKLOG, LNKXIT.
;1203 JNG 14-Jun-79
; Add support for Extended FORTRAN.
; Routines: LNKPAR, LNKMAP, LNKLOD, LNKERR
;1204 JNG 14-Jun-79
; Check for programs that extend beyond location 777777, and
; issue the LNKPTL message.
; Routines: LNKLOW, LNKOLD, LNKLOD, LNKERR
;1205 JNG/DZN 14-Jun-79 SPR 10-27954
; Re-claim some wasted blocks in .OVL files.
; Routine: LNKOV1
;1206 JNG 15-Jun-79
; Fix a NO.COR in LNK999 that edit 1174 missed.
; Routine: LNK999
;1207 JNG 29-Jun-79
; Make the LNKCMX message continue loading, so the user can run
; the program if he wants to.
; Routine: LNKLOD
;1210 JNG 29-Jun-79
; Allow 1-word block type 5's, so SAIL output will load. Also
; allow a program break of exactly 1,,0 (bypass the LNKPBI check).
; Routine: LNKOLD
;1211 JNG 29-Jun-79 QAR 10-3303
; Fix typo in LNKDRC message, avoid Illegal UUO. Broken by 1174.
; Routine: LNKWLD
;1212 DZN 4-Jul-79
; Fix various typos and other loose ends in the aftermath of 1174.
; Routines: LNKERR, LNKLOD, LNKLOG, LNKNEW, LNKXIT
;1213 JNG 5-Jul-79
; Eliminate the ISD message; on multiple partial definitions, just
; ignore them if their values agree, and give the MDS message if
; they don't.
; Routines: LNKPAR, LNKOLD, LNKLOD, LNKERR
;1214 DZN 9-Jul-79 QAR 10-03315
; Fix mismatched angle brackets so PIP's /V switch doesn't complain.
; Comments should not contain angle brackets unless they actually
; terminate conditionals, repeats, etc.
; Routines: LNKHST, LNKCOR, LNKOV1, LNKXIT
;1215 JNG 23-Jul-79 QAR R.ACE
; Use RC.HL for .ABS. and .LOW. for LOWLOC update at CHKLLC, since
; RC.CV may not be correct. In particular, RC.CV for .ABS. is always
; zero.
; Routine: LNKLOD
;1216 JNG 23-Jul-79 QAR CKS
; Preserve P1/P2 in SYMOUT, avoid illegal memory reference if
; undefined symbols exist.
; Routine: LNKXIT
;1217 DZN 25-Jul-79
; Clean up the listings for release. Update all copyright notices.
; Remove all editing lines. Break pages in good places.
; Routines: All
;1220 DZN 24-Aug-79
; Release on both TOPS-10 and TOPS-20 as version 4A(1220).
; Routines: All
;START OF VERSION 5
;1221 DZN 1-Oct-79
; Allow monitor commands to include LINK commands, in the form
; .R LINK (commands) or @LINK commands.
; Routine: LNKSCN
;1222 DZN 1-Oct-79
; Allow the full Radix-50 character set in the argument of the
; /NOREQUESTS: switch.
; Routine: LNKPAR
;1223 DZN 2-Oct-79
; Make the argument to /SEVERITY: be decimal instead of octal. This is
; more consistent with the other message controlling switches, and the
; LINK manual.
; Routine: LNKPAR
;1224 DZN 19-Oct-79 QAR 10-03507
; Check the format of polish blocks more carefully, complaining about
; invalid formats. Add the LNKNSO, LNKISM, LNKNAP and LNKJPB messages, and
; remove the LNKISO message. LNKJPB is a warning so that FAIL programs
; will load.
; Routines: LNKOLD, LNKERR
;1225 DZN 25-Oct-79 SPR 20-13384
; Force /UPTO: just below the high segment origin of the runtime OTS
; (unless user has specified /UPTO:). This keeps the symbol table (if
; one is loaded) from growing into the area of memory that the OTS will
; try to go. The program will still not be runnable but the user will get
; the correct message. Make the OTS origins compiler-specific instead of
; hard-wired 400000.
; Routine: LNKLOD
;1226 DZN 12-Nov-79 SPR 20-13384
; Default /SEGMENT:LOW in all non-root overlay links. This keeps users
; from having to type it all the time, especially if /OTS:NONSHAR was
; specified (/OTS:NONSHAR defaults to /SEGMENT:DEFAULT for Fortran
; programs, frequently causing high segment code in non-root links).
; Routines: LNKOV1, LNKLOD
;1227 DZN 8-Jan-80
; Allow multiple COBOL-74 modules to be loaded without receiving an
; erroneous LNKCMC message. Broken by edit 1174.
; Routine: LNKLOD
;1230 DZN 24-Jan-80 SPRs 10-28964, 10-28965
; Rewrite DVSUP. to handle the complete problem of initializing an
; overflow file in the same area (structure and path) as its associated
; output file. Then make the area overflow routines use DVSUP. properly.
; This solves the problem of overflow and output files ending up on the
; wrong (and potentially non-existent) area.
; Routines: LNKFIO, LNKCOR, LNKOV1, LNKLOD, LNKPAR, LNKWLD
;1231 DZN 28-Jan-80 SPR 10-29122
; Make sure the high segment is properly accounted for if only
; /SET:.HIGH.:n is seen, so that .JBHRL is properly set up.
; Routine: LNKOLD
;1232 DZN 29-Feb-80 SPR 10-29203
; See that overlay links do not lose their start addresses when symbolic.
; Broken by edit 1175.
; Routines: LNKLOD, LNKOV1
;1233 PY 29-Feb-80 SPR 10-29290
; See that RC.CV is not reset to RC.HL after a module if /SET:
; sets the relocation counter down.
; Routine: LNKOLD
;1234 PY 5-Mar-80
; If there are multiple overlapped PSECTs, one PSECT name will be
; printed as garbage in some LNKPOV messages.
; Routine: LNKLOD
;1235 MFB 5-Mar-80
; Clear LOGSUB to avoid possible IO TO UNASSIGNED CHANNEL when
; the log file has already been closed.
; Routine: LNKXIT
;1236 PY 6-Mar-80
; Teach LINK about KS10 CPUs.
; Routine: LNKPAR
;1237 PY 7-Mar-80
; Make LNKCCD Message 'Fatal but continues', instead of 'Fatal'
; Routine: LNKOLD
;1240 PY 13-Mar-80
; Fix the /CPU switch, broken since KL CPU was added. Make it
; accept multiple CPUs, and add error LNKCPU. Make switch
; available on TOPS-20.
; Routines: LNKPAR, LNKOLD, LNKWLD, LNKERR
;1241 PY 21-Mar-80
; Make the /SET switch give the LNKZSV error if given with no
; arguments, instead of the fatal LNKISN error.
; Routine: LNKWLD
;1242 PY 3-Apr-80
; Test for High Seg above 700000 on TOPS-20, and make LINK
; generate an EXE file if it is. This prevents LINK from
; trying to make PA1050 overwrite itself during the REMAP.
; Routines: LNKPAR, LNKXIT
;1243 MFB 9-Apr-80 SPR 10-29396
; Make LINK handle left half fixups to a global symbol
; correctly (this case is confused with a global suppressed
; symbol). No longer generates an LNKISP message when trying
; to resolve the fixup.
; Routines: LNKPAR, LNKOLD
;1244 PY 16-Apr-80
; Remove PA1050 from memory if user program is going to be run but
; is not in a .EXE file. Simulate the CORE UUO in the accumulators
; with a PMAP% JSYS, and PMAP PA1050 away in the phased code.
; Remove edit 644, which should not be in phased code.
; Routines: LNKPAR, LNKXIT
;1245 PY 23-Apr-80
; Fix Typo in edit 1224
; Routine: LNKOLD
;1246 PY 25-Apr-80
; Prevent a default high segment being generated if a /SYMSEG:HIGH
; appears before any high segment code. Programs which have high
; segments at other than 400000 will then load correctly.
; Routines: LNKLOD, LNKWLD
;1247 PY 25-Apr-80
; Print LNKOSL message if /SYMSEG:HIGH or /SYMSEG:PSECT:
; appear before the /OVERLAY switch.
; Note: This edit requires edit 1246.
; Routine: LNKOV1
;1250 PY 28-Apr-80 SPR 20-14184
; Clear the date and time bits in the extended lookup/enter
; blocks in DVUPD. this keeps PA1050 from using the bits
; to set the time last written. (TOPS-20 only)
; Routine: LNKFIO
;1251 PY 29-Apr-80
; Fix test in PG.SU so LINK will not attempt to expand windows
; beyond available memory.
; Routine LNKLOD
;1252 PY 5-May-80
; Remove edit 1221 on TOPS-20. Rescan will not work because of
; a SCAN restriction.
;1253 PY 14-May-80
; Remove edit 1233, which breaks COBOL programs.
; Routine: LNKOLD
;1254 PY 21-May-80
; Update X macro in MAKLIB macro to use arguments C and D
; Since PROCESSORS macro now expects them.
;1255 PY 23-May-80
; Make /SET: and rel block type 24 work when the PSECT name has
; been forward referenced as a global symbol.
;1256 PY 28-May-80
; Add code to put processor type in P4 before QREENT is called in
; overlayed programs. Eliminates wrong decisions, possible
; ILL-MEM-REFs.
;1257 PY 3-Jun-80
; If a program is overlaid, reset RC.HL for .ABS. to the highest
; absolute location in the root node. This solves problems when
; writing .EXE files.
; Routines: LNKLOW, LNKOV1, LNKXIT
;1260 PY 5-Jun-80
; /SYMSEG with no argument (a non-preferred usage) should default
; to /SYMSEG:LOW, but defaults to /SYMSEG:HIGH after edit 1201
; Routines: LNKPAR
;1261 PY 5-Jun-80
; If LINK determines that a program is too complex and needs an
; EXE file, many errors can occur, including bad a JOBDAT area,
; or an OPEN error on the EXE file.
; Routine: LNKXIT
;1262 PY 13-Jun-80
; Make LNKCMX print once only.
; Routines: LNKLOD, LNKLOW
;1263 PY 30-Jun-80
; Make expressions of the form: ABC=:XYZ## work when
; loaded in an overlay.
; Routine: LNKOV1
;1264 PY 09-Jul-80
; Fix LINK so that /PLOT will not cause %LNKDLT error, or
; other problems. Broken by edit 1144
; Routines: LNKLOW, LNKPAR, LNKPLT, PLTGBL
;1265 PY 09-Aug-80
; Make ALGDDT work with overlays by putting the .SYM file
; name in the first OWN block of an overlaid program.
; Routines: LNKLOD, LNKOV1
;1266 PY 31-Aug-80
; Correct code so LINK won't loop infinitely when an overlay
; has a local symbol table so long LINK must read it in pieces.
; Routine: LNKOV1
;1267 PY 31-Aug-80
; Teach LINK about /DEBUG:ALGOL and about ALGDDT.
; Routines: LNKPAR, LNKWLD, LNKXIT
;1270 PY 4-Sep-80
; Put in a request for the start address if it is a symbol so
; it will be loaded if the module is loaded in /SEARCH mode.
; Routine: LNKWLD
;1271 PY 7-Oct-80
; Make FORLIB load into the low segment by default if the main
; program is not a FORTRAN program.
; Routine: LNKLOD
;1272 PY 30-Oct-80
; Fix bug in Edit 1244 which causes the PMAP% which is supposed
; to remove PA1050 to fail if the users program ends on the end
; of a page.
; Routine: LNKXIT
;1273 PY 2-Dec-80 SPR 20-14571, 10-30269
; Cause RC.HL in .HIGH. and .LOW. to refer to the highest
; addresses loaded in the current module, rather than the
; highest addresses loaded in the segment. Keep the highest
; location loaded in HP.S1 and HP.S2. Then at LNKXIT
; time, set RC.HL to be the highest address in the segment
; to be consistent for the .EXE file writer. This causes
; the current high and low segment values to be the highest
; in the module, rather than the highest in the segment,
; allowing users to /SET the LOW or HIGH segments down
; without disturbing REL files which count on the T.5LS
; and T.5THS adjustments. This edit supercedes edits
; 1233 and 1253.
; Routines: LNKOLD, LNKLOW, LNKXIT
;1274 PY SPR 10-30464
; Add code to expand the Polish stack if it is not
; large enough for a given Polish expression.
; Routines: LNKLOW, LNKOLD
;1275 PY SPR 10-30508
; Fix core management bug which occurs if an area has
; overflowed to disk, has no pages in memory, and is
; being expanded on a VM system. This happens to the
; Algol symbols area if it has overflowed, causing
; the first AS area page to be swapped with the first
; LS area page, producing %LNKSFU errors.
; Routine: LNKCOR
;1276 PY SPR 10-30571
; If a .REL file is being loaded /SEARCH and /SEG:HIGH,
; Don't set up the RC.TB tables for a second high segment
; in T.6 until sure the module will be loaded.
; Routine: LNKOLD
;1277 PY SPR 20-15585
; If a /LINK switch is seen ending an overlay link, and
; no /NODE switch is seen before the next module is loaded
; print a fatal "LNKNSM /NODE switch missing" error.
;1300 PY 27-Feb-81
; Implement the /LIMIT switch, as /LIMIT:NAME:ADDRESS
; where NAME is a psect name and ADDRESS is the upper
; bound of the psect, i.e. the first address where it
; is not legal to load the psect. If a psect exceeds
; it's bounds, inhibit chained fixups so that LINK
; will not hang if psects overlap unexpectedly.
; Routines: LNKPAR,LNKERR,LNKINI,LNKLOD,LNKLOW,LNKOLD
; LNKWLD,LNKXIT
;1301 PY 12-Mar-81 SPR 10-30667
; Make the /VERBOSITY switch use the same flags as the
; /MESSAGE switch in SCAN. Add code to handle the case
; of /MESSAGE:NOPREFIX. Also change some messages at
; exit time to look at the verbosity bits.
; Routines: LNKPAR,LNKERR,LNKINI,LNKLOG,LNKLOW,LNKPAR
; LNKSCN,LNKWLD,LNKXIT
;1302 PY 12-Mar-81
; Fix problem with edit 1273 which makes LINK hang if
; no files are loaded.
; Routine: LNKXIT
;1303 PY 17-Mar-81
; Change the LNKLMN message to include the file name.
; Routines: LNKOLD, LNKNEW
;1304 PY 20-Mar-81
; Make TWOSEG work with Psects.
; Routines: LNKINI, LNKLOW, LNKOLD, LNKWLD
;1305 PY 20-Mar-81
; Fix problem with edit 1273 which could cause low seg
; code not to be written to .EXE file if low seg overflows
; to disk.
; Routines: LNKLOD, LNKXIT
;1306 PY 30-Mar-81
; Output LNKMPT error if psects and twoseg code mixed in
; the same module.
; Routines: LNKLOW, LNKOLD, LNKERR
;1307 PY 13-Apr-81
; Implement the /SUPPRESS switch. /SUPPRESS:SYMBOL will
; cause that symbol to be undefined even if it has been
; previously defined.
; Routine: LNKWLD
;1310 PY 13-Apr-81
; Make the LNKOFS message use the long error text.
; Routine: LNKOV1
;1311 PY 13-Apr-81
; Fix bug in edit 1301.
;1312 PY 21-Apr-81
; Load a nonsharable OTS, default segment, if user
; specified /SYMSEG:HIGH
; Routine: LNKLOD
;1313 PY 4-May-81
; Fix edit 730 so that LINK will not lose the /LINK
; switch or produce a fatal error message if the
; /DEBUG switch is not local to the same file as
; the /LINK switch or if the /LINK switch is global.
; Routine: LNKWLD
;1314 PY 9-Jun-81
; If a program has more than 400 contiguous non-zero pages, and
; LINK has enough memory to keep more than 400 pages in core, it
; will not write these pages into the EXE file because the dump
; mode IOWD in the EXE file writer will go positive.
; Routine: LNKXIT
;1315 PY 17-Jun-81
; Fix the MAKLIB macro to use bits for language types so that
; FORTRAN and Extended FORTRAN will work properly.
; Routines: LNKINI, LNKLOD
;1316 PY 1-Jul-81
; With Edit 1305 installed, TWOSEG root nodes of overlaid
; programs will not be written to the .EXE file correctly.
; Routine: LNKOV2
;1317 PY 14-Jul-81
; Fix calculation of .JBCOR which will be off by one page if
; the program low segment ends on a page boundary.
; Routine: LNKXIT
;1320 PY 14-Jul-81
; Fix code at T3HOLD to know about new rel blocks and
; about ASCII text blocks. This allows compilers to
; generate code with new rel blocks or ASCII text blocks
; and to have it loaded /SEG:LOW even if they do not
; produce a high segment break in the type 3 block.
; Routine: LNKLOD
;1321 PY 20-Aug-81
; Make SIMDDT work like ALGDDT. This means not loading
; a SIMDDT.REL, and starting the program at the re-enter
; address if a /DEBUG:SIMULA or /DEBUG:SIMDDT switch
; is seen. This edit requires edit 1267.
; Routines: LNKWLD, LNKXIT
;1322 PY 8-Sep-81
; Remove a HALT from LNKMAP, which occurs if a PSECT
; description crosses the end of a window and the LS area
; has overflowed. Handle this case by moving the window.
; Routine: LNKMAP
;1323 PY 13-Nov-81
; Fix a bug with edit 1244 which may cause pages to be
; lost when loading a large program with a low high segment
; origin and not requesting a .EXE file.
; Routine: LNKXIT
;1324 PY 15-Nov-81
; Make /USERLIB also use bits for the compiler type.
; Routine: LNKWLD
;1325 PY 19-Nov-81
; If an undefined symbol has secondary right half chained
; fixups, output them for DDT.
; Routine: LNKXIT
;1326 PY 26-Jan-82
; Use the new COMPT. UUO which will remove PA1050 without
; affecting the users vestigial JOBDAT area. This fixes
; problems with TOPS-20 CCOC words. (TOPS-20 ONLY)
; Routines: LNKPAR, LNKXIT
;1327 PY 3-Feb-82
; Fix a case of left half additive fixup missed by edit
; 1243. This case occurs if the defining global is loaded
; before the left half request.
;1330 PY 10-Feb-81
; Add the following to the legal Radix-50 codes for the Type 2
; block:
;
; 30 Global left half deferred symbol definition
; 34 Global both halves deferred symbol definition
; 70 Global left half deferred DDT suppressed symbol definition
; 74 Global both halves deferred DDT suppressed symbol definition
;
; These are intended to replace the 44 and 64 codes for these
; functions. The 44 and 64 blocks will mean:
;
; 44 Global DDT suppressed definition, not deferred
; 64 Global right half deferred DDT suppressed symbol definition
;
; This will solve problems with the 44 and 64 functions which have
; never completely worked, and allow compilers to specifiy whether
; left half global definitions should be DDT suppressed or not.
; Routine: LNKOLD
; 1331 PY SPR 20-17252
; Certain messages such as LNKELN may print an extra CRLF on the
; terminal before the right bracket. Fix this so the extra CRLF
; only goes to the log file.
;1331-1400 Maintenance edits to LINK V4A.
;1400 DZN 2-Mar-80
; Implement writable overlays for Fortran SAVE statement.
; . Use OVRPAR.MAC for overlay file definitions.
; . Add DI.WPT, DI.FLG to overlay file directory, CS.OVL to control
; section.
; . Add writable link table to the overlay file.
;1401 PAH
; Performance enhancements to overflow and .EXE file handling.
; Routines: LNKPAR,LNKLOW,LNKOLD,LNKLOD,LNKCOR,LNKXIT
;1402 PAH
; Performance enhancements to .REL file handling.
; Routines: LNKOLD,LNKLOD,LNKLOW
;1403 PAH
; Streamline the initialization code on Tops-20.
; Routine: LNKINI
;1404 PAH
; New .REL block types T.1120-T.1137 for load-time arg type checking.
; Routines: LNKNEW,LNKLOD
;1405 PAH
; New .REL block types T.1010-T.1034.
; Routine: LNKNEW
;1406 PAH
; Remember to get and store the .REL file's creation time and date for
; /MAP. Broken in edit 1402.
; Routine: LNKFIO
;1407 PAH 23-Dec-80
; Fix the opening of overlay files, broken in edit 1401. Also fix
; PPNs in command lines, broken in the same edit.
; Routine: LNKFIO
;1410 PAH 23-Dec-80
; Clear T3 before the GETJI in LNKINI added in edit 1403.
; Routine: LNKINI
;1411 PAH 12-Jan-81
; Add AT.NC and AT.NC PSECT attributes for extended addressing.
; Routine: LNKPAR
;1412 PAH 20-Jan-81
; Make file overflow routines use nonzero sections if the user's
; program is being loaded into nonzero sections.
; Routine: LNKCOR,LNKOLD,LNKNEW
;1413 PAH 26-Jan-81
; Add code in LNKMAP to handle native overflow files properly.
; Routine: LNKMAP
;1415 PAH 2-Feb-81
; Write ALGOL .SYM files on channel TC, not channel DC.
; Routine: LNKXIT
;1416 PAH 16-Mar-81
; Put an ERJMP after the GTFDB in DVLKP. so asking for files
; on NUL: doesn't cause an illegal instruction trap.
; Routine: LNKFIO
;1417 PAH 14-Apr-81
; For TOPS-20, skip T.14 block correctly instead of clearing
; buffer.
; Routine: LNKOLD
;1420 PAH 27-Apr-81
; Save the address in T2 accross a call to the E$$FTH error.
; Routine: LNKLOD
;1421 PAH 4-May-81
; Display the creation date for the .REL file correctly in
; maps -- broken when nativizing .REL file input.
; Routine: LNKOLD
;1422 PAH 5-May-81
; Add PASCAL to the list of supported libraries.
; Routines: LNKPAR
;1423 PAH 5-May-81
; Implement Program Data Vectors.
; Routines: LNKPAR,LNKLOW,LNKWLD,LNKOLD,LNKXIT,LNKNEW
;1424 PAH 10-May-81
; Implement /MAXNODE.
; Routines: LNKPAR,LNKWLD,LNKOV1
;1425 PAH 10-Jun-81
; Extended addressing support code under FTFRK2 feature test.
; Routines: LNKOLD,LNKXIT,LNKCOR,LNKINI,LNKWLD
;1426 PAH 4-Aug-81
; Order the routines in LNKNEW correctly and delete duplicate T.1042-
; T.1044 introduced during a merge.
;1427 PAH 5-Aug-81
; Put an ERJMP after the PDVOP% JSYS to remove LINK's own PDV to
; avoid ?Illegal instruction... on pre-Release 5 TOPS-20 systems.
; Routines: LNKXIT
;1430 PAH 5-Aug-81
; Remove .NWBLK conditional code forcing an error from type 1060
; MAKLIB trace blocks.
; Routines: LNKNEW
;1431 PAH 2-Oct-81
; Correct typo in comparisons at PDV2:, preventing correct handling
; of /PVDATA:PROGRAM, /PVDATA:CBLOCK and /PVDATA:START.
; Routines: LNKWLD
;1432 PAH 2-Oct-81
; Make ?LNKNSM /NODE SWITCH MISSING AFTER /LINK a warning, not an
; error -- some programs that loaded perfectly well before are
; prevented from doing so by making this an error.
; Routines: LNKERR, LNKLOD
;1433 DMN 2-Oct-81
; Distinguish COBOL-68,COBOL-74 and new COBOL for possible future
; COBOL release.
; Routines: LNKLOD,LNKERR,LNKPAR
;1434 DMN 2-Oct-81
; New Blocktype 1004 for byte pointer initialization.
; Routines: LNKLOW,LNKLOD,LNKNEW,LNKERR
;1435 DMN 2-Oct-81
; PASCAL library search and debugger support.
; Routines: LNKPAR,LNKLOD,LNKLOW,LNKERR,LNKWLD
;1436 PAH 2-Oct-81
; Use the connected directory, not the logged-in directory,
; in the MYPPN global under TOPS-20. Fixes ALGOL symbol file
; lookup, which was broken by edit 1407.
; Routines: LNKINI
;1437 PAH 7-Oct-81
; Defer detroying the LC overflow file under TOPS-20 until the
; last possible moment.
; Routines: LNKXIT
;1440 PAH 12-Oct-81
; Apply edits 1120,1237 and 1240 to blocks in LNKNEW.
; Routines: LNKNEW
;1441 PAH 14-Oct-81
; Now that LNKNSM is a nonfatal error be sure it returns properly.
; Routines: LNKLOD
;1442 PAH 19-Oct-81
; Prevent the attempt to write out section-zero pages on the first
; call to LC.OUT when a nonzero-section program is being loaded.
; Also enforce some restrictions on nonzero-section programs.
; Routines: LNKCOR,LNKWLD,LNKLOW,LNKOLD,LNKLOD
;1443 PAH 28-Oct-81
; Make sure LINK-10 doesn't have the program data vector .REL
; block code.
; Routines: LNKNEW
;1444 PAH 29-Oct-81
; Make sure all new n-bit relocation blocks coexist with .HIGH.
; and .LOW. correctly.
; Routines: LNKNEW
;1445 PAH/DMN 3-Nov-81
; Correct typo in POINT pseudo-op under T.1004 block support.
;1446 PAH 16-Nov-81
; Fix bad dates in MAP files on the -20.
;1447 PAH 30-Nov-81
; Move /MAXCODE code into LNKWLD so the -10 multiseg LINK
; builds again.
;1450 PAH 30-Nov-81
; Define PRGFRK symbol for fork handle, build nonzero sections
; in own fork.
;1451 PAH 8-Dec-81
; When searching PASLIB force load to low segment as default.
;1452 PAH 10-Dec-81
; Lengthen LITYPE dispatch table to include all the new blocks.
; Also handle TWOSEG programs correctly if the highseg is
; considered to have psect index 2 in the new blocks.
;1453 PAH 17-Dec-81
; Fix calculation of data block length in T.11XX.
;1454 PAH 21-Dec-81
; Calculate default SYMLIM correctly.
;1455 PAH 21-Dec-81
; Fix infinite loop in TTLLUP in LNKXIT.
; Modules: LNKXIT
;1456 PAH 8-Jan-82
; Change to T.112X and T.113X block definition: only one
; relocation block word, since only three data words are
; relocatable.
; Modules: LNKNEW
;1457 PAH 15-Feb-82
; Renamed to Edit 1470.
;
;1460 PAH 16-Jan-82
; Turn off UUO simulation for programs in nonzero sections to avoid
; troubles with START and DDT EXEC commands and prevent any JOBDAT
; initialization.
; Modules: LNKXIT
;1461 PAH 19-Feb-82
; Don't do an OPENF on the .EXE file JFN if an SSAVE JSYS is going
; to use it.
; Modules: LNKFIO
;1462 PAH 22-Feb-82
; Add JOVIAL to list of known processors.
; Modules: LNKPAR
;1463 PAH 24-Feb-82
; Restructure reading of the FXSPTR section-specific fixup data.
; Also don't lose the section number in doing Type 11 polish stores.
; Modules: LNKLOD, LNKOLD
;1464 PAH 25-Feb-82
; Get the right window for the PDV when putting one in a non-zero
; section.
; Modules: LNKXIT
;1465 PAH 22-Mar-82
; Change "Extended Fortran" to "G-Floating Fortran" in .MAP
; file output.
; Modules: LNKPAR
;1466 PAH 24-Mar-82
; Don't lose section numbers in inter-psect references.
; Modules: LNKOLD
; Start of Version 5A
;1467 PAH 22-Feb-82
; Correct typo at T1004C -- change D.IN1 call to D.CNT.
; Make D.CNT global.
; Modules: LNKNEW,LNKLOD
;1470 PAH 15-Feb-82
; Prevent the address calculation in T.1S6 from turning on
; index register bits of a byte pointer if the address overflows.
; Also correct some stack discipline troubles in T.1004 block
; processing.
; Modules: LNKNEW
;1471 PAH 24-Mar-82
; Remove use of PB.1 and T.11XX code from 1130 block support.
; Also restructure use of T.11XX coroutine for typechecking blocks,
; which have only one relocation word.
; Modules: LNKNEW
;1472 PAH 2-Apr-82
; Don't truncate the last character of a six-character function
; name, and don't lose the char count.
; Modules: LNKNEW,LNKPAR
;1473 PAH 14-May-82
; Make sure IFE/IFN FTFRK2 angle bracking is done to exclude
; extended addressing-related code on -10s and Model A -20s.
; Modules: LNKOLD
;1474 PAH 9-Apr-82
; Count 2ndary argument descriptors properly when processing
; arg lists in ARGSCN.
; Modules: LNKLOD
;1475 PAH 9-Apr-82
; Don't mark unknown subroutine or function names as global
; requests when storing the 2ndary symbol triplets for argchecking.
; Modules: LNKLOD
;1477 PAH 16-Apr-82
; Bugfixes for special character fixup handling in typechecking code.
; Rewrite SY.TY2 to pick up the right descriptors, also save R in
; TMATCH.
; Modules: LNKLOD
;1500-1677 Maintenance-related Edits
;
;1500 PAH 12-May-82
; Compute correct .REL file length if file size is given in
; less than 36-bit bytes.
; Modules: LNKFIO
;1501 PAH 14-May-82
; Don't lose section number for PSECT relocation in T.11EV.
; Modules: LNKOLD
;1502 AHM 17-May-82
; Suppress typeout of garbage symbol names in the %LNKFTH
; message.
; Modules: LNKOLD
;1503 AHM 17-May-82
; Do thirty-bit relocation, not eighteen-bit relocation,
; on start addresses in type 1010-1034 blocks.
; Modules: LNKNEW
;1504 PAH 18-May-82
; Fix typo at T.2+2 in LNKOLD that ruins 30-bit relocation of
; symbols.
; Modules: LNKOLD
;1505 AHM 18-May-82
; Set correct upper bound for psects that can cross section
; boundaries -- currently off by one.
; Modules: LNKWLD
;1506 HD 27-May-82
; Conditionalize UUOs and add JSYS calls where needed for handling
; the LS overflow and EXE files when building an overlay program.
; Modules: LNKXIT,LNKOV1
;1507 PAH 2-Jun-82
; Correct typo under TOPS20 conditional in DVCLS.
; Modules: LNKFIO
;1510 HD/PY 7-Jun-82
; Test for include mode as well as library mode at LNKNEW+4.
; Modules: LNKNEW
;1511 HD 7-Jun-82
; Don't destroy T1 unnecessarily.
; Modules: LNKFIO
;1512 AHM 16-Jun-82
; Prevent MACRO programs with concatenated PSECTs from overlaying
; if the last selected default PSECT before the end of module is 0.
; Module: LNKOLD
;1513 HD 23-Jun-82
; Don't destroy T1 at DVDLF. either.
; Modules: LNKFIO
;1514 HD 1-Jul-82
; On the -20, don't BLT out mapped pages when shrinking area LC --
; unmap them.
; Modules: LNKOV1
;1515 PAH 26-Jul-82
; Bracket out .NWBLK code in LNKMAP at TTLSRC until the problem with
; typeout of symbols for empty modules can be identified and fixed.
; Module: LNKMAP
;1516 PAH 27-Jul-82
; Fix bad test at CHKRS0+3.
; Module: LNKXIT
;1517 PAH 27-Jul-82
; Yank edit 1512, has bad side-effects.
; Module: LNKOLD
;1520 PY 29-JUL-82
; Remove IFE TOPS20 Conditional around call to GBCK.L at LSREDU+17
; to prevent certain large program form looping. This edit will be
; installed as a maintenance edit at a later date and given a
; maintenance edit number.
; Module: LNKCOR
;1521 HD 12-Aug-82
; Get all of overlay links symbol table in .EXE file.
; Module: LNKXIT
;1522 PAH 16-Aug-82
; Change JBGCM/JBGCMV to PMAP segments into place, instead of doing
; BLTs, on the -20. Cures missing pages when loading large programs.
; Module: LNKXIT
;1523 PAH 25-Aug-82
; Remove code that sets PASDT% to zero before PASLIB search.
; Module: LNKLOD
;1524 PAH 25-Aug-82
; Be sure PASDDT gets an entry in STLOCN specifying STADDR as the
; start address for PASCAL programs being debugged.
; Module: LNKXIT
;1525 PY 10-Sep-82
; Adjust TAB.PT when overflowing LC or HC to disk. Solves problems
; if these areas overflow while symbols are being written.
; Module: LNKCOR
;1526 PY 28-Sep-82
; Rewrite the TOPS-20 feature test files. Add edit history,
; remove debug switch from production version, add extended
; addressing and new rel block switches to debug version, and
; remove overlay feature test since it's the default.
; Modules: LNKT20, LNKD20
;1527 PAH 9-Sept-82 FORTRAN ALPHA TEST QAR #20-03010
; Save IO.CHN over the call to DY.GET in DVVRG2 so testing to see if
; the file being opened is an .EXE by checking IO.CHN still works.
; If paging begins during the DY.GET call, IO.CHN may get smashed and
; the bad channel number causes an ?I-O to Unassigned Channel error.
; Module: LNKFIO
;1530 PAH 15-Sept-82 FORTRAN ALPHA TEST QAR #20-0301?
; Use stack temporary space rather than asking for DY area space
; when constructing file names to avoid running out of storage when
; opening overflow files ( causing pushdown stack overflow.
; Module: LNKFIO
;1531 HD 7-Oct-82 FORTRAN ALPHA TEST QAR #20-03028
; Check to see if the address being written to the .EXE file
; is before the current window and if so unmap the current
; window and map in the previous window. ** maintenance edit 1527 **
; Modules: LNKXIT
;1532 PAH/HD 20-Oct-82 LINK 5.1 FIELD TEST QAR #10-04002
; When shrinking a window remap the upper half of the window, not
; the lower half. Since this increases the odds of having written
; the JOBDAT into the .TMP overflow file but having some other part
; of the program mapped by the time the .EXE file writer is invoked,
; be sure to test JOBPTR, not LW.S1, when deciding whether to write
; the JOBDAT at XCMPRS.
; Modules: LNKXIT,LNKCOR
;1533 PY 22-Oct-82
; Call LS.OUT to unmap LS pages when bringing in a new window
; in LNKMAP. Also remove code which BLTs the unused part of
; the window to zero. This prevents zeroing part of the LS
; overflow file. (TOPS-20 only).
; Module: LNKMAP
;1534 PAH 11-Nov-82
; Save and refix TAB.PT(R) over the call to LNKCOR in SYMOU2. It
; is not updated correctly in LNKCOR if the area overflows and
; low free core makes it necessary to shrink the window. Edit 1525
; cured most but not all of these cases.
; Module: LNKXIT
;1535 PAH 10-Dec-82
; Complete the missing bits to implement the ERROR keyword to
; the /MAP switch: put a test in LNKLOG before giving up on
; fatal errors and fix LNKMAP so it doesn't simply EXIT when
; MAPSW=$MAPERR
; Modules: LNKMAP,LNKLOG
;1536 PAH 21-Dec-82
; Have LINK-20 handle multi-section LS areas correctly, doing
; 30-bit arithmetic and comparisons when writing and reading
; .TMP files.
; Modules: LNKCOR, LNKXIT, LNKOLD.
;1537 PAH 21-Dec-82
; Correct typo in edit 1506.
; Cures ?Illegal instruction on PMAPs.
; Modules: LNKOV1.
;1540 PY 22-Dec-82
; Another case of zeroing the LS overflow file when
; generating a map.
; Routine: LNKMAP
;1541 PY 28-Dec-82
; Fix some overlay related problems. Unmap and close
; overflow files when deleting them. Handle more than
; 400000 octal words of symbols in an overlay better.
; Routines: LNKFIO, LNKMAP, LNKOV1
;1542 PAH 25-Jan-83
; Don't add NONZER into a 30-bit address.
; Module: LNKCOR
;1543 PAH 25-Jan-83
; LS.IN and LS.OUT should not use EXTFLG, it causes
; ?LNKMEF and attempts to create section 0 when programs
; are loaded into nonzero sections and the LS area overflows.
; Module: LNKCOR
;1544 HD 28-Jan-83
; When sending overlay plots to LPT: correct calculations for
; end of a buffer. Change SETZ DIGITS to SETZM DIGITS
; at DECPLT
; Module: PLTIO
;1545 PY 1-Feb-83
; Add couple missing continuation bits to errors which reference
; .ETIMF so the module name will be typed out on those errors.
; Routine: LNKLOD
;1546 HD 3-Feb-83
; Change the macro for user defined libraries at SETUSE+17 so that
; it use a compiler type bit and not a compiler type code.
; Routine: LNKINI
;1547 PAH 14-Mar-83 SPR #20-18906
; Replaces edit 1500. Fixes two cases edit 1500 did not handle
; right: zero bytesize and bytesizes that don't divide into
; 36 neatly.
;1700 PAH 17-May-82
; Move FOROTS origin to 500000 for FORTRAN V6 and beyond.
; Modules: LNKPAR
;1701 PAH 19-May-82
; Correct typo introduced during merge of V5A sources in T.1130.
; Modules: LNKNEW
;1702 HD 19-May-82
; Don't put a triplet with a spurious value into the LS area
; when a previously-unknown symbol is seen in association with
; a typechecking block.
; Modules: LNKLOD
;1703 PAH 27-May-82
; Deallocate unneeded typechecking triplets. Also permit searching
; bound globals for overlaid programs doing typechecking.
; Modules: LNKLOD
;1704 PAH 2-Jun-82
; Add code to handle type 1045 blocks and to write the writable
; overlay table in the .OVL file.
; Modules: LNKOV1,LNKOV2,LNKNEW,LNKLOW
;1705 PAH 2-Jun-82
; Treat /DEBUG:PASDDT like /DEBUG:FORDDT.
; Modules: LNKWLD
;1706 PAH 7-Jun-82
; Accept COMMONs in type 1045 blocks and set all ancestral links
; writable.
; Modules: LNKNEW
;1707 PAH 8-Jun-82
; Correct typo in edit 1706.
; Modules: LNKNEW
;1710 PAH 8-Jun-82
; Don't miss marking the last writable link in a load.
; Modules: LNKOV1
;1711 PAH 10-Jun-82
; Put CHKCHX routine under the FTFRK2 conditional.
; Modules: LNKLOD
;1712 PAH 16-Jun-82
; Call WRTPTR not WRTDAT at T1045C+3.
; Modules: LNKNEW
;1713 AHM 16-Jun-82
; Add long explanation for the LNKNHN message.
; Modules: LNKERR
;1714 AHM 16-Jun-82
; Defer updating RC.CV until end of module.
; Modules: LNKNEW
;1715 AHM 16-Jun-82
; Avoid exceeding a PSECT limit.
; Modules: LNKOLD
;1716 AHM 16-Jun-82
; Correct type 1070 block relocation. Also speed up the loops.
; Modules: LNKNEW, LNKOLD
;1717 AHM 16-Jun-82
; Correctly relocate Type 1070 symbol definitions.
; Modules: LNKOLD
;1720 AHM 16-Jun-82
; Correct typo at REL.TB+2L causing wild transfer of control.
; Modules: LNKNEW
;1721 AHM 16-Jun-82
; Streamline space allocation for PSECTs being loaded using
; Type 101X blocks.
; Modules: LNKNEW
;1722 AHM 16-Jun-82
; Don't lose right half relocation when the left half of the
; data word is absolute, at RLADD.
; Modules: LNKNEW
;1723 PAH 17-Jun-82
; Don't typecheck on nonexistent arguments if there's a mismatch
; between caller and function in number of arguments but this
; isn't to be treated as an error.
; Modules: LNKLOD
;1724 PAH 18-Jun-82
; Add a new action code to the coercion block handling. Code 4 is
; a no-op and suppresses even information-class messages about a
; particular attribute mismatch.
; Modules: LNKLOD
;1725 PAH 19-Jun-82
; Change references to Extended FORTRAN to be GFloating FORTRAN.
; Modules: LNKLOD,LNKERR
;1726 AHM 19-Jun-82
; Don't lose the last word in a 1010 block. Also minor changes
; for speed.
; Modules: LNKNEW
;1727 AHM 19-Jun-82
; Use RC.CV not RC.IV of the relocation block when calculating
; the first address into which data should be loaded.
; Modules: LNKNEW
;1730 PAH 22-Jun-82
; Add code to type 101X block processing to deal with overlays
; and to test limits.
; Modules: LNKNEW
;1731 PAH 22-Jun-82
; Make TOOBIG and T.1OVE global so they can be called from LNKNEW.
; Edit 1730 needs this edit.
; Modules: LNKOLD
;1732 AHM 22-Jun-82
; Fix ?LNKIVC that may occur when processing deferred fixups for
; a nonzero section.
; Modules: LNKLOD
;1733 AHM 22-Jun-82
; Suppress unnecessary typeout of ?LNKFTH message for section-local
; references and don't miss truncation of negative numbers with
; more than a halfword of precision.
; Modules: LNKLOD
;1734 PAH 23-Jun-82
; Edit 1733 put a free -1 in the left half for all deferred right
; half fixups...this edit corrects that.
; Modules: LNKLOD
;1735 PAH 23-Jun-82
; Correct typo introduced installing edit 1733.
; Modules: LNKLOD
;1736 PAH 25-Jun-82
; Strip all FMXFOR code, this is desupported.
; Modules: LNKPAR,LNKOLD,LNKWLD,LNKLOW,LNKLOD,LNKINI
;1737 AHM 25-Jun-82
; Some final fixups in nonzero sections which have been deferred
; because the chain wanders out of the window are never done.
; Modules: LNKLOD
;1740 AHM 25-Jun-82
; Don't try to create the lower section if the window falls across
; a section boundary when doing fixups.
; Modules: LNKLOD
;1741 AHM 25-Jun-82
; Don't add in a section number if the address already has one at
; SEGCK4.
; Modules: LNKLOD
;1742 AHM 25-Jun-82
; Don't lose the section number when doing type 1004 blocks.
; Modules: LNKNEW
;1743 PAH 29-Jun-82
; Correct typo in edit 1724.
; Modules: LNKLOD
;1744 hd 8-JUL-82
; Suppress loading if there are compilation errors
; with the EXECUTE command
; Modules: LNKINI
;1745 PAH 12-Jul-82
; In T.1045, preserve the contents of T4 across the call to DY.GET.
; Modules: LNKNEW
;1746 PAH 12-Jul-82
; Don't give an error message if, while doing a type 3 character fixup
; for typechecking, it is noticed that the argument is a character
; expression or variable.
; Module: LNKLOD
;1747 HD 13-JUL-82
; Reserve 10(octal) location at GLBBEG for global symbols needed for
; maintenance edits
; Module: LNKLOW
;1750 PAH 15-Jul-82
; Move origin of LINK-10 up to 540000.
; Module: LNKPAR
;1751 PAH 19-Jul-82
; Type out argument number in decimal for all the typechecking
; messages.
; Module: LNKLOD
;1752 HD 21-JUL-82
; Have map file state if an overlay is Relocatable, Absolute, Writable.
; Module: LNKMAP
;1753 PAH 21-Jul-82
; Make the error LNKCMX into a warning.
; Module: LNKLOD,LNKERR
;1754 PAH 27-Jul-82
; Type 1072 block support.
; Module: LNKNEW,LNKPAR,LNKLOW
;1755 PAH 28-JUL-82
; Put back -10 specific code at LHSET0 cures an ?ill mem ref
; from GBCK.L. But put a loop test in GBCK.L to prevent this
; kind of failure anyway
; Module: LNKCOR
;1756 AHM 29-JUL-82
; Make PSECT breaks keep their section number during relocation
; Module: LNKOLD
;
;1757 AHM 29-JUL-82
; Correct an off by one error in the calculation of the last word of
; PDV in edit 1423
; Module: LNKXIT
;1760 AHM 29-JUL-82
; Keep the section number in the last word of the PDV
; Module: LNKXIT
;1761 AHM 29-JUL-82
; Keep the section number of start addresses during relocation
; Module:LNKOLD
;1762 AHM 29-JUL-82
; Don't throw away PDV prematurely so that start address for programs in
; non-zero sections get set correctly
; Module: LNKXIT
;1763 AHM 29-JUL-82
; Add one to the size of the fixup chain table when it is being
; deallocated.
; Module: LNKCOR
;1764 AHM 29-JUL-82
; Make entry vectors work in non-zero sections
; Module: LNKOLD,LNKLOW,LNKXIT
;1765 PAH 2-Aug-82
; Put the non-extended-addressing code back at T.7 ( was removed
; by edit 1764 ).
; Module: LNKOLD
;1766 HD 11-Aug-82
; Remove a line of code at T.23+3 that was inserted in edit 1715.
; Module: LNKOLD
;1770 HD 11-Aug-82
; Change a JRST CPOPJ to a POPJ P, at TSTSEG+5
; Module: LNKNEW
;1771 HD 11-Aug-82
; Add 1 to T2 at to get the last word of the fixup chain table
; corrects a deficiency in edit 1763
; Module: LNKCOR
;1772 HD 11-AUG-82
; Make conditionals inserted in 1765 TOPS20 not FTFRK2 conditionals
; Modules:LNKOLD, LNKLOW
;1773 HD 12-AUG-82
; Supply the start address for XSVEC% in JBEX1A
; Modules:LNKXIT
;1774 PAH 12-Aug-82
; Turn .NWBLK conditional in LNKPAR on by default.
; Modules: LNKPAR
;1775 HD 13-Aug-82
; fix edit 1764 so that absolute start addresses work
; Modules: LNKOLD
;1776 PAH 20-Aug-82
; Restructure T.1AD and those routines using it.
; Modules: LNKOLD,LNKNEW
;1777 HD 15-Sept-82
; Fix type checking for case where caller's argument descriptor and
; function argument descriptor are not both in LINK's current window.
; Modules: LNKLOD
;2000 PAH 6-Oct-82
; Do not try to return the storage pointed to by PDVPRV if there
; is none. Cures ?LNKRUM from nonzero-section programs without
; program data vectors.
; Modules: LNKXIT
;2001 PAH 12-Oct-82
; Make sure T3 contains the pointer to the right typechecking triplet
; before calling RTSECT to return it. Cures return to free storage of
; formal descriptors, which should never happen.
; Modules: LNKLOD
;2002 PY 13-Oct-82
; Implement the /PLTTYP switch to allow selection of printer
; or plotter style overlay plots.
; Routines: LNKPAR, LNKLOW, LNKOV1, LNKPLT
;2003 PAH
; Make ?LNKCCD a warning, not an error.
; Routines: LNKOLD
;2004 PY/PAH
; Add rewritten LNKD20 and LNKT20 parameter files.
; Routines: LNKD20,LNKT20
;2005 PY 1-Nov-82
; Improve argument checking and coercion. Add code to type
; the caller's module name in errors. Rework error code, add
; LNKAMM, LNKLMM, LNKNVR, LNKPMA, LNKTMM, LNKURV, and LNKWNA
; messages to specify the type of mismatch. Add code to handle
; secondary descriptors. Special case return values which must
; only be checked against other return values. Add an implicit
; bit needed by FORTRAN. Comment the offsets in the parameter
; file. Add supporting code for variable severity messages.
; Routines: LNKPAR, LNKERR, LNKLOD, LNKLOG, LNKNEW
;2006 PY 8-Nov-82
; Fix a few problems related to PDVs, entry vectors, and
; extended addressing. Allow PDVs to cross page boundaries.
; Use a SEVEC instead of an XSVEC% in section zero. Use a length
; of 1 instead of JRST as default when not in section zero. Zero
; the entry vector length when using the /START switch.
; Routines: LNKWLD, LNKXIT
;2007 PY 9-Nov-82
; Add long error messages for LNKFTH, LNKTML, LNKUCB.
; Routines: LNKERR, LNKLOD, LNKNEW, LNKOV1
;2010 PY 9-Nov-82
; Fix incorrect byte pointer parameter which causes
; errors when type checking secondary descriptors.
; Routine: LNKPAR
;2011 PY 9-Nov-82
; Move /PLTTYP to LNKWLD so it can be used before /PLOT.
; Routines: LNKOV1, LNKWLD
;2012 PY 9-Nov-82
; Although formal,,actual do not mean much when referring
; to a function return, make the coersion block use the
; order called-routine,,caller to be consistent. Also
; handle -1 properly.
; Routine: LNKLOD
;2013 PY 10-Nov-82
; Fix /NOSYSLIB, broken by edit 1225.
; Routine: LNKLOD
;2014: PY 11-Nov-82
; Fix NUL:
; Routine: LNKFIO
;2015 PY 12-Nov-82
; Preserve the length of the function name accross calls
; to TMATCH, since it clobbers it but needs it correct
; every time it's called.
; Routine: LNKLOD
;2016 PY 12-Nov-82
; Fix /PVBLOCK:HIGH, and cases where the PDV contains the
; only non-zero words on the page.
; Routine: LNKXIT
;2017 PY 18-Nov-82
; Add parameter which indicates the number of words to allocate
; for the ASCIZ representation of a TOPS-10 filespec on TOPS-20.
; Routines: LNKPAR, LNKFIO
;2020 PY 7-Dec-82
; Instead of using one GS secondary triplett for each typechecking
; block, chain them together and use only one GS secondary for all
; typechecking for a symbol. Reduces fragmenting of the GS area.
; Routines: LNKPAR, LNKLOD, LNKNEW
;2021 PY 13-Dec-82
; If the LC or HC areas overflow but a .EXE file is not needed
; make the pages in the overflow file private.
; Routine: LNKXIT
;2022 PAH 28-Dec-82
; Tighten up termination conditions for the loop at T1045C in LNKNEW.
; Cures ?Ill mem reads amd writes when FORTRAN overlays are built.
; Routine: LNKNEW.
;2023 HD 29-Dec-82
; If a PMAP fails with a Quota Exceeded violation try expunging the
; directory and the retry the PMAP.
; routines:LNKCOR,LNKXIT.
;2024 HD 6-Jan-83
; Fix edit 2024 and typo in edit 1536.
; Routines: LNKCOR,LNKXIT
;2025 PAH 6-Jan-83
; At FOR.L0, define FOROT% as 400010 rather than using the
; OTSTBL value for FORTRAN. Fortran v6 and v7 FORLIB doesn't
; use this symbol for an OTS transfer vector base, but FORTRAN
; v5A libraries need it.
; Routines: LNKLOD
;2026 PAH 6-Jan-83
; Clean up the listings for release. Update all copyright notices.
; Remove all edit banners.
; Routines: All
;2027 HD 7-Jan-83
; Conditionalize PMAP error code in LNKXIT
; Routines: LNKXIT
;2030 PAH 20-Jan-83
; Shorten copyright statement in executable files and
; move it to the high segment.
;2031 PY 27-Jan-83
; Don't set the writable overlay bit when processing type 1045
; blocks (FORTRAN SAVE statement) unless actually doing an
; overlay load. Prevents undesirable searching of OVRLAY.REL
; Routine: LNKNEW
;2032 PY 3-Feb-83
; Allocate space in the LC overflow file before reading the
; root node back in under TOPS-20.
; Routine: LNKXIT
;2033 PY 14-Feb-83
; Allow a page, rather than a disk block of overlap when
; Copying the LS overflow area into the overlay temporary
; file under TOPS-20, since the core manager no longer
; allows LW.LS to be on a disk block boundary.
; Routine: LNKOV1
;2034 PY 17-Feb-83
; Fix bug in TOPS-20 code which tests for .IODMP instead
; of .IODPR, and remove edit 1531 which attempted to fix
; the symptoms of this problem.
; Routines: LNKFIO, LNKXIT
;2035 PY 17-Feb-83
; Don't map in non-existant pages at JBGMV0 copy-on-write,
; because then they cannot be created as private pages.
; Fixes Illegal memory READ at JBGMV1.
; Routine: LNKXIT
;2036 PY 28-Feb-83
; Fix up support for JOVIAL compiler type, add ADA compiler
; type.
; Routine: LNKPAR
;2037 PY 12-Apr-83 SPR 10-33725
; Fix an ILL-MEM-REF when there is no additive fixup, and
; there is an extended symbol which is the last thing in
; the GS area.
; Routine: LNKLOD
;2040 PY 13-Apr-83
; If LSYM is on a page boundary, and the LS area is
; paging, SYMINI can get confused because LSYM is
; pointing to a page which has never been written.
; It will try to LS.OUT out the wrong pages, and will
; PMAP away everything from the top of the LS area to
; the end of section zero (and part of section one).
; Routine: LNKXIT
;2041 PY 22-Apr-83
; Increase LN.FL, which is the size of an ASCIZ
; filespec. Prevents clobbering the stack when an
; explicit PPN is given which translates to a very
; long directory specification.
; Routine: LNKPAR
;2042 PY 2-Jun-83 SPR 10-33916
; Protect pointers to the LC and GS areas when
; calling TR.WLK, since that routine calls DY.GET
; which may move those areas.
; Routine: LNKOV2
;2043 HD 12-Jul-83 SPR 20-19327
; Prevent JBEXE1 form calling BLTJDA if JOBPTR is zero. BLTJDA tries
; to return DY area that it doesn't have causing LINK to die with a
; LNKRUM error.
; Routine: LNKXIT
;2044 PY 13-Jul-83 SPR 20-19374
; Always map out the window in CNA.LS under TOPS-20.
; It is always mapped when expanding the LS area
; during the LNKCOR call. Also, map the page after
; top of the area, not the top page of the area.
; Routine: LNKCOR
;2045 PY 24-Jul-83 SPR 20-19403
; Fix typechecking code to not destroy the first
; secondary triplet if it is not an argchecking
; triplet.
; Routine: LNKLOD
;2046 PY 24-Jul-83
; Occasionally garbage collect the DY area if
; many typechecking blocks have been returned.
; Routines: LNKPAR, LNKLOW, LNKLOD
;2047 PY 29-Aug-83
; Remove some code which tries to force common block
; data into the high segment when loading /SEG:HIGH.
; It will go there if it is supposed to because the
; address of the common block will be in the high seg.
; Routine: LNKOLD
;2050 JBS 6-Oct-83
; Make ?LNKSUP message appear in column 1 for batch jobs.
; Fix to edit 1744.
; Routine: LNKINI
;2051 JBS 31-Oct-83
; Fix bug where if user didn't have access to first directory in
; DSK:, LINK would say "send an SPR".
; Routine: LNKCOR
;2052 JBS 1-Nov-83
; Don't die when making the .EXE file if LINK doesn't have write
; access to the directory.
; Routine: LNKXIT
;2053 PY 8-Nov-83
; Make argument checking and the character fixup work
; across overlays and segments.
; Routines: LNKPAR, LNKLOW, LNKLOD, LNKOV1, LNKOV2
;2054 PY 16-Nov-83
; Don't forget the LS overflow area just because it all fits
; in memory, as it may be mapped on the -20.
; Routine: LNKXIT
;2055 PY 16-Nov-83
; Put the number of words desired in the correct accumulator
; before calling DY.GET. Eliminates potential ?LNKRUM
; Routine: LNKXIT
;2056 JBS 2-Dec-83
; Print LNKXCT message when executing programs in non-zero sections.
; Routine: LNKXIT
;2057 JBS 25-Jan-84
; Don't go into infinite loop if symbol table is fouled up at T.5LP.
; Routine: LNKOLD
;2060 HD 1-Feb-84 SPR# 10-34488
; Set up PPN and PATH, block if necessary, for RUN UUO at RUNEX2. Store
; information where it won't get lost when core shrinks.
; Routine: LNKXIT
;2061 HD 13-Feb-84
; Fix typo in edit 2060.
; Routine: LNKXIT
;2062 PY 6-Mar-84
; Set up dummy entries for TYP.BG and COEOVL for multiple high segment
; LINK.
; Routine: LNKSUB
;2063 HD 6-Mar-84
; Increase the value of .TLEN to 100 so that .TEMP will be large enough
; to hold a path block.
; Routine: LNKLOW
;2064 PAH 23-Mar-84 SPR #10-34493
; Zero P1 in T11CHR/T11CHL/T11CHF before calling SY.CHR/SY.CHL/SY.CHF
; from the T.11 code to avoid HALT from testing flag bits in a
; nonexistent fixup block in RT.FX when loading relocatable overlays.
; Routine: LNKOLD
;2065 PY 28-Mar-84 SPR 10-34610
; Test RC.HL for .ABS. against zero, not 140 when computing the correct
; value for LOWLOC in CHKLLC.
; Routine: LNKLOD
;2066 JBS 7-May-84
; Fix 2060 to get PPN from right place and check for default [0,0].
; Routine: LNKXIT
;2067 JBS 10-May-84
; Fix edit 2014 for NUL:. Was POPJing to data and blowing up.
; Routine: LNKFIO
;2070 HD 17-May-84
; Check only the right half of .JBERR to determine whether or not to
; suppress loading. Conditionalize .SGNAM.
; Routines: LNKINI, LNKXIT
;2071 JBS 21-May-84
; Remove OPDEFs of JSYSes and .GTxxx bits, remove definitions of PDV
; entry names (all of these are in .UNV files).
; Routines: LNKPAR, LNKSCN
;2072 PAH 19-Jul-84
; Fix two bugs in the 102X block processor: first, skip the first
; relocation byte in a 102X block when picking up the relocation
; for the start address and subsequent data. Second, fix a typo
; that stores the relocated data in the wrong halfword.
; Routines: LNKNEW
;2073 PY 20-Jul-84 SPR 20-20272
; Add the table base, not the pointer to it, when doing
; FORTRAN save. Eliminates LNKPEL, LNKOLC, and other
; errors in programs with more than 18 overlays.
; Routine: LNKNEW
;2074 PY 14-Aug-84
; Calculate the window size correctly when the window
; crosses a page in PG.MOV.
; Routine: LNKLOD
;2075 HD 12-Sept-84
; Remove .SGNAM, .SGPPN, and .SGDEV from the code and add a fatal
; error message if the GETTAB fails.
; Routine: LNKINI
;2076 HD 8-Oct-84 SPR# 10-34915
; Fix check in %PLOT for previously seen file spec so that LNKINS error
; does not occur if /MAP and /PLOT occcur on the same command line.
; Routine: LNKOV1
;2077 HD 2-Nov-84 SPR# 10-34930
; Set RC.HL during processing of /NEWPAGE so PAT.. and/or symbol table
; starts on page boundary.
; Routine: LNKWLD
;2100 HD 10-Dec-84
; Add long error text for LNKUSB error.
; Routine: LNKERR
;2101 JBS 17-Dec-84
; Fix off-by-one loop bug in "DVDPB.".
; Routine: LNKFIO
;2102 PAH (Superceded in LINK 6.0)
; Fix off-by-one byte pointer that results in bad FORTRAN character
; data initialization if the string in the .REL file falls exactly
; on a multiple of ten pages.
; Routine: LNKNEW
;2103 PAH 8-Feb-85
; Detect structure mismatches when typechecking.
; Routines: LNKPAR, LNKLOD
; Start of Version 6
;2200 PY 22-Nov-83
; Expand the address field in the fixup blocks built by SY.CHP
; to 30 bits. Make FXSPTR a static array, and make section zero
; low segment code use the extended addressing code. Keep the
; LS area chain seperate from the LC area chains. Fix type 2
; block fixups (other than right half) in non-zero sections.
; Routines: LNKPAR, LNKLOW, LNKCOR, LNKLOD, LNKNEW, LNKOLD
;2201 PY 30-Nov-83
; Use the correct deferred fixup for the fullword replacement
; store operator in the type 11 polish block.
; Routine: LNKOLD
;2202 PY 8-Dec-83
; Change the calling convention for the xx.IN and xx.OUT routines
; to use T1 and T2 as 30 bit addresses for the lower and upper
; bounds, instead of T1 as the lower,,upper bounds as 18 bit
; addresses. Remove the FTFRK2 conditional, as it is always on
; for TOPS-20. Remove the low segment global NONZER, and all
; references to it. Use the xx.IN and xx.OUT routines instead of
; bare PMAPs when possible, since these routines know about fixups
; and about section creation. Remove code from LH.DMP, since it
; does not need to create sections (they will be created by LC.IN).
; Use the TOPS-10 code for initialization for reading the LS area
; for the symbol table, since it is simpler and costs at most one
; extra PMAP. Add the LNKCCS cannot create section message, and
; the LNKMMF Memory Manager Failure message. Remove some error
; messages which can no longer occur.
; Routines: LNKD20, LNKT20, LNKPAR, LNKLOW, LNKCOR, LNKERR, LNKFIO,
; LNKLOD, LNKMAP, LNKOLD, LNKOV1, LNKWLD, LNKXIT
;2203 PY 14-Dec-83
; Keep the section numbers of relocated halfwords in the type 11
; block. Clean up the block and remove an offensive "HALT". Also
; turn on and fix the link (type 12) store operator.
; Routines: LNKLOD, LNKOLD
;2204 PY 16-Dec-83
; Don't lose the section number when doing type 10 fixups in
; non-zero sections.
; Routine: LNKOLD
;2205 PY 20-Dec-83
; Allocate FORTRAN COMMON blocks in the current psect when loading
; psects. Load absolute addresses in a psect if they fit in one.
; Allow common blocks larger than a section, and symbolic non-zero
; section addresses. Affects the type 1, 20, 21, 1004, and the
; T.1010-T.1034 blocks.
; Routines: LNKNEW, LNKOLD, LNKWLD
;2206 JBS 27-Dec-83
; Set read-only attributes correctly for non-zero section psects.
; Routine: LNKXIT
;2207 PY 27-Dec-83
; Make psect indices consistent between old and new style REL blocks.
; Routines: LNKINI, LNKOLD
;2210 HD 4-Jan-84
; Reserve a static storage area in the low seg to hold long symbol names
; for calls to TRYSYM.
; Routines: LNKPAR, LNKLOW
;2211 JBS 4-Jan-84
; Add /NOJOBDAT switch to suppress all of JOBDAT (hiseg too). Revise
; automatic JOBDAT suppressor to check FXSBIT, not EXTFLG.
; Routines: LNKPAR, LNKXIT, LNKLOW, LNKWLD
;2212 PY 9-Jan-84
; Fix the type 1072 long polish block.
; Routines: LNKPAR, LNKERR, LNKLOD, LNKNEW, LNKOLD
;2213 PY 10-Jan-84
; Fix off by one bug when setting the section bits in FXSBIT.
; Routine: LNKCOR
;2214 PY 11-Jan-84
; Add 30 bit fixups. Allow fullword chained fixups to
; use a 30 bit address chain. Fix a bug involving section
; defaulting of chained fixups in relocatable overlays.
; Routines: LNKPAR, LNKCOR, LNKLOD, LNKOLD, LNKOV1
;2215 PY 13-Jan-84
; Fix a wrong AC usage and an off by one caused by edit 2202.
; Also properly unmap LS area pages when printing a load map
; (affects /MAP:NOW) and don't BLT pages to zero if they have
; just been unmapped (performance improvement).
; Routines: LNKCOR, LNKLOD, LNKMAP, LNKOLD
;2216 PY/HD 18-Jan-84
; Add or fix long symbol support in TRYSYM, INSRT, LS.ADD,
; SY.QS, and SY.GS. Make LNKMAP and LNKWLD type long symbols
; correctly. Remove the LNKESN message.
; Routines: LNKERR, LNKHSH, LNKLOD, LNKLOG, LNKMAP, LNKOLD, LNKWLD
;2217 HD 26-Jan-84
; Check character constant descriptors for word aligned byte pointers
; and make sure the section number is added to addresses before calls
; to SGCHK. in the COESPC routine.
; Routine: LNKLOD
;2220 PY 26-Jan-84
; More long symbol support. Add support for typing long symbols
; in commands. Fix all switch processors to handle them. Make
; Long symbols legal in all routines which can receive them from
; switch processors. Fix the map to display these correctly.
; The long symbols supported include globals, common names, and
; psect names.
; Routines: LNKPAR, LNKLOW, LNKLOD, LNKMAP, LNKOLD, LNKSCN,
; LNKWLD, LNKXIT
;2221 HD 27-Jan-84
; Remove a HLL at COESP2+4 so that the section number is not destroyed
; and the call to SGCHK. works.
; Routine: LNKLOD
;2222 PY 30-Jan-84
; Implement the type 1050, 1051, and 1052 rel blocks. Make
; LINK complain if conflicting psect attributes are seen.
; Fix a bug in edit 2220 which causes the attributes to be
; set wrong for new psects with the /SET switch.
; Routines: LNKERR, LNKNEW, LNKOLD, LNKWLD
;2223 PY 1-Feb-84
; Implement /REDIRECT and rel block 1131.
; Routines: LNKPAR, LNKLOW, LNKNEW, LNKOLD, LNKWLD
;2224 PY 7-Feb-84
; Change QREENT so that an extended addressing program will get
; a reentrant OTS unless the user explicitly says /OTS:NONSHARE.
; Also don't give a reentrant OTS in section zero if the user
; typed /PVBLOCK:HIGH even if there is no high segment yet.
; Routine: LNKLOD
;2225 PY 7-Feb-84
; Fix /PVDATA:VERSION:SYMBOL, broken by edit 2220.
; Routine: LNKWLD
;2226 PY 10-Feb-84
; Fix up support code for long /INCLUDE and /EXCLUDE so long
; blocks get returned properly. Also, don't do a long compare
; for the title in a type 6 block, since it is always short.
; Routines: LNKLOD, LNKOLD
;2227 PY 14-Feb-84
; Add /PSCOMMON:PSECT:COMMON to allow specification of which
; psect the /COMMON switch should place a common block in.
; Routines: LNKPAR, LNKLOW, LNKLOD, LNKWLD
;2230 PY 15-Feb-84
; Check for a common block allocated in a psect which cannot
; be addressed by a psect which needs it, give ?LNKCMP error
; if found.
; Routines: LNKERR, LNKOLD
;2231 PY 16-Feb-84
; Fix typo in edit 2223 which causes ?LNKRUM if more than one
; type 1131 block is seen.
; Routine: LNKNEW
;2232 JBS 22-Feb-84
; Expand edit 2211 to not touch .JBREL if user said /NOJOBDAT.
; Routine: LNKXIT
;2233 PY 22-Feb-84
; Make sure that RC.CUR is non-zero if psects have been seen.
; Routine: LNKOLD
;2234 PY 23-Feb-84
; Fix /PVDATA:VERSION:CONSTANT, broken by edit 2220.
; Routine: LNKWLD
;2235 PY 23-Feb-84
; Give a fatal error if a user attempts overlays in non-zero
; sections.
; Routines: LNKOV1, LNKCOR, LNKERR
;2236 PY 24-Feb-84
; Don't mess up the stack with long names in the type
; 1131 block.
; Routine: LNKNEW
;2237 JBS 24-Feb-84
; Implement PDV memory maps.
; Routines: LNKXIT, LNKLOW, LNKPAR
;2240 PY 1-Mar-84
; Don't attempt to merge chains if the old one starts
; at section,,0 since it can't be resolved once chained.
; Routine: LNKOLD
;2241 JBS 7-Mar-84
; Setup P1 and P2 even if /NOJOBDAT was specified. Affects DEBUG.
; Routine: LNKXIT
;2242 PY 28-Mar-84
; Create sections for psects, even if nothing has been
; stored in them.
; Routines: LNKCOR, LNKLOD
;2243 PY 5-Apr-84
; Fix off-by-one bugs in edit 2242, add code which makes sure
; that RC.HL is always at least RC.CV. This is because RC.HL
; may not be updated if using /REDIRECT.
; Routine: LNKLOD
;2244 PY 6-Apr-84
; Handle psect breaks which for psects which are over one
; section long correctly in the type 23 block.
; Routine: LNKOLD
;2245 JBS 10-Apr-84
; Implement PDV symbol table vector.
; Routines: LNKXIT, LNKLOW, LNKPAR, LNKWLD
;2246 HD 12-Apr-84
; Patch 1070 code so the additive and chained fixups work in all cases.
; Routine: LNKNEW
;2247 PY 20-Apr-84
; Add code to use SPLFK% JSYS. Build the program in an inferior
; fork. Always use SSAVE% on TOPS-20, put the .EXE file writer
; under a TOPS-10 conditional. Don't use .LOW. unless code or
; a JOBDAT is actually loaded into it. Implement the rules for
; deciding whether a JOBDAT should exist.
; Routines: LNKLOW, LNKCOR, LNKFIO, LNKINI, LNKLOD, LNKOLD,
; LNKOV1, LNKOV2, LNKWLD, LNKXIT
;2250 JBS 25-Apr-84
; Be smarter about PDV space allocation. Fix bug in memory map which
; didn't set attributes correctly in a certain case. Don't say there's
; a PDV when creating an EXE file after the PDV wouldn't fit. Fix bug
; with /NOJOBDAT that deleted execution if user program set .JBERR.
; Don't diddle .JBCOR if /NOJOBDAT.
; Routines: LNKXIT, LNKPAR, LNKLOW
;2251 PY 8-May-84
; Map out all low segment pages after building an overlay.
; Routine: LNKOV1
;2252 PY 9-May-84
; Don't overwrite the symbol bits in the switch blocks
; when storing a local switch.
; Routine: LNKWLD
;2253 PY 10-May-84
; Clear the relocatable bit for .LOW. when doing a /SEG:LOW
; high segment with a FORTRAN style type 3 block.
; Routine: LNKOLD
;2254 PY 17-May-84
; Change the 18 bit fields for the next title block,
; segment origins and breaks, and psect pointers to
; 30 bit fields in the LS area. Change the pointers
; to these fields to also be 30 bits wide. Remove
; the FAIL block header chain, as it is not used.
; Routines: LNKPAR, LNKLOW, LNKCOR, LNKINI, LNKMAP,
; LNKNEW, LNKOLD
;2255 PY 18-May-84
; Change all pointers to the LS area to be 30 bit.
; Replace LSTSYM with two words, LSTGBL and LSTLCL,
; and change all references to it. Don't pass the
; pointers around in W3, instead get them from the
; globals. Make the fixup block have the global
; pointer in the second word and the local pointer
; in the third word. Redo the polish block code
; to store the section number of the LS area in the
; op code, similar to what edit 2203 did for memory
; fixups.
; Routines: LNKLOW, LNKCOR, LNKLOD, LNKNEW, LNKOLD,
; LNKOV1
;2256 PY 21-May-84
; Make the runtime symbol table module headers code
; use the new style segment breaks.
; Routine: LNKXIT
;2257 JBS 22-May-84
; Add generic JSYS error handling mechanism (subroutine and macro).
; Routines: LNKPAR, LNKLOW, LNKLOG, LNKERR
;2260 JBS 24-May-84
; Change various aspects of previous edits per inspection: don't
; execute non-zero (/NOJOBDAT) program if there are errors, always
; make undefined symbol table vector entry if there's a defined table.
; Routine: LNKXIT
;2261 JBS 29-May-84
; Fix off-by-one in non-zero page attribute setting code.
; Routine: LNKXIT
;2262 PY 31-May-84
; Implement the type 1160 sparse data block. Don't create a
; section just because a zero length psect is in it.
; Routines: LNKPAR, LNKLOD, LNKNEW, LNKOLD, LNKOV1
;2263 PY 31-May-84
; Fix deferred thirty bit additive fixups, which are
; incorrectly treated as chained fixups instead.
; Routine: LNKLOD
;2264 PY 1-Jun-84
; Type the module name in the LNKCCS message. Fix up the
; LNKOxx and LNKIxx errors, add JSYS error typeout. Don't
; throw away the section number of the symbol in the type
; one block. Fix up some short error texts in LNKERR.
; Fix a typo in the LNKPMA error which caused it to type
; out as LNKPMC.
; Routines: LNKCOR, LNKERR, LNKLOD, LNKOLD
;2265 JBS 7-Jun-84
; Don't set attributes of null read-only psects.
; Routine: LNKXIT
;2266 PY 7-Jun-84
; Allow long symbols for argument typechecking.
; Routines: LNKLOD, LNKNEW
;2267 PY 8-Jun-84
; Fix bug in LNKHSH when short symbol is passed as long.
; Don't try to compensate for bug in LNKLOD.
; Routines: LNKHSH, LNKLOD
;2270 PY 12-Jun-84
; Put argument typechecking blocks in a pagable area.
; Fix a bug in edit 2262 which causes bad character
; fixups in large programs.
; Routines: LNKPAR, LNKLOW, LNKCOR, LNKLOD, LNKNEW,
; LNKOV2
;2271 PY 13-Jun-84
; Fix default for /ERRORLEVEL with no arguments. Fix
; the maximum values for /ERRORLEVEL, /LOGLEVEL, and
; /SEVERITY.
; Routine: LNKPAR
;2272 PY 14-Jun-84
; Set up defaults for /REDIRECT, in case psect is not
; specified in the switch or type 1131 block.
; Routines: LNKNEW, LNKOLD, LNKWLD
;2273 PY 14-Jun-84
; Fix type 12 blocks, make them work in non-zero sections.
; Routines: LNKLOD, LNKOLD
;2274 PY 14-Jun-84
; Fix some error messages in LNKXIT. Also don't
; try to SSAVE% sections above the highest which
; exists.
; Routine: LNKXIT
;2275 PY 15-Jun-84
; Don't let long symbol hash come up with a value of zero.
; Routine: LNKHSH
;2276 PY 15-Jun-84
; Improve typeout for /COUNTERS so that it tabs correctly
; in the presence of long symbols or big addresses.
; Routine: LNKWLD
;2277 JBS 18-Jun-84
; Implement new /DEBUG code for extended programs. Load XDDT or UDDT
; according to what the user program looks like.
; Routines: LNKPAR, LNKLOW, LNKWLD, LNKERR, LNKXIT
;2300 PY 19-Jun-84
; Remove F40 code and long error messages. Conditional
; or remove long errors which are not needed. Fix a
; problem with the definition of ERSTR, which is a forward
; referenced local and also a JSYS name. Remove FTFRK code.
; Routines: LNKPAR, LNKLOW, LNKCOR, LNKINI, LNKLOD, LNKLOG,
; LNKSUB, LNKWLD
;2301 PY 20-Jun-84
; Fix up error messages involved in TOPS-20 native files.
; Routines: LNKPAR, LNKLOW, LNKCOR, LNKERR, LNKFIO, LNKLOD,
; LNKLOG, LNKNEW, LNKOLD, LNKXIT
;2302 JBS 26-Jun-84
; Fix off-by-one bugs in LC.IN and LC.OUT. Was allocating n-1 pages
; in all but boundry cases.
; Routine: LNKCOR
;2303 PY 2-Jul-84
; Fix problem with non-symbolic type 1004 blocks in wake
; of edit 2262.
; Routine: LNKNEW
;2304 JBS 3-Jul-84
; Make various changes per inspection: add long error messages for new
; DDT errors, change some labels, move a macro, use local instead of
; global temporary storage.
; Routines: LNKLOG, LNKPAR, LNKERR, LNKXIT, LNKLOW
;2305 HWD 6-July-84
; Make 1070 blocks and 1002 blocks handle long symbol names. Allocate
; storage for a long symbol used as a value.
; Routines: LNKNEW, LNKLOD, LNKOLD, LNKLOW
;2306 PY 6-Jul-84
; Implement long PDV names. Make /PVDATA:VERSION take a
; version number word. Implement the EXPORT keyword as a
; synonym for START. Make /PVDATA:MEMORY work. Put the
; PDV symbol vector in the same psect as the symbol table
; so it's attributes won't conflict. Put the PDV before
; the symbol table if they are in the same psect. Use a
; fullword for the symbol table length. Create a PDV by
; default for TOPS-20 style programs.
; Routines: LNKPAR, LNKLOW, LNKINI, LNKSCN, LNKWLD, LNKXIT
;2307 PY 6-Jul-84
; Remove some incorrect tests which generate LNKPEL errors.
; Fix argument typechecking code which could create a bad
; SIXBIT symbol for six character names.
; Routines: LNKNEW, LNKOLD
;2310 PY 10-Jul-84
; Implement the type 1074 long common name rel block.
; Routines: LNKLOD, LNKNEW
;2311 PY 10-Jul-84
; Fix PDVs in high segment, or with symbol vector in high
; segment. Set bit zero when appropriate for symbol vector
; pointer.
; Routine: LNKXIT
;2312 PY 11-Jul-84
; Allow PDV names with $, ., % not in quotes. Make sure
; the name is ASCIZ. Make sure the PDV map address is
; always stored in the PDV.
; Routines: LNKSCN, LNKXIT
;2313 PY 11-Jul-84
; Make character data (types 1004 and 1160) work
; in overlays.
; Routine: LNKNEW
;2314 JBS 13-Jul-84
; Handle /DEBUG when SPLFK% fails at LNKXIT time. Allow special case
; of DDTing LINK when user program also wants UDDT in section 0.
; Remove LINK's PDV before GET%ing user program. Clear PSI table
; addresses left over from PA1050 when exiting to user program.
; Routines: LNKPAR, LNKXIT
;2315 JBS 13-Jul-84
; Add {JSYS error text} for CLD, CSP, and DNA error documentation.
; Routine: LNKERR
;2316 PY 13-Jul-84
; Fix incorrect test which causes spurious LNKMEF errors.
; Routine: LNKOV1
;2317 JBS 16-Jul-84
; Fix edit 2247 to save copy-on-write page attributes correctly.
; Routine: LNKXIT
;2320 JBS 16-Jul-84
; Create empty read-only pages when necessary.
; Routine: LNKXIT
;2321 PY 16-Jul-84
; Fix a problem with moving the HC area when /SEG:LOW
; or /REDIRECT.
; Routine: LNKCOR
;2322 HD 17-Jul-84
; Make LNKCCE a fatal error and add long error text.
; Routines: LNKLOD,LNKERR
;2323 PY 19-Jul-84
; Add case sensitive symbol typein and typeout, using
; "/" and "\" as case shifters.
; Routines: LNKLOG, LNKSCN
;2324 PAH 19-Jul-84
; Expand edit 2064 to cover thirty-bit chained fixups.
; Supercedes edit 2064.
; Routine: LNKOLD,LNKNEW
;2325 PY 19-Jul-84
; Add another case to the TOPS-20 editable messages,
; and fix one which is incorrect.
; Routine: LNKLOG
;2326 HD 19-Jul-84
; Make 1003 (long title) blocks work.
; Routines: LNKNEW,LNKLOW,LNKPAR,LNKOLD
;2327 PY 20-Jul-84
; Don't convert external psect index to internal twice.
; Routine: LNKNEW
;2330 PY 8-Aug-84
; Add TOPS-20 conditionals where needed. Replace a
; label which was accidentally removed. Add xx.IN
; and xx.OUT routines for TOPS-10. Add missing
; angle brackets in LNKERR.
; Routines: LNKLOW, LNKCOR, LNKERR, LNKLOG, LNKXIT
;2331 PY 23-Aug-84
; When returning the secondary triplet after fixups,
; if the secondary is not the last one move the other
; secondaries up, and return the last one. This will
; keep the remaining triplets contiguous.
; Routine: LNKLOD
;2332 PY 28-Aug-84
; Get fullword value for symbol fixups.
; Routine: LNKOLD
;2333 HD 28-Aug-84
; Make the 1070 code set the fixup block flags in all cases when
; processing a fixup request.
; Routine: LNKNEW
;2334 PY 22-Oct-84
; Fix symbol typein when there is a non-symbolic default.
; Use the symbol typeout routine for errors. Fix
; /PVDATA:VERSION with an octal numeric argument.
; Routine: LNKSCN
;2335 PY 23-Oct-84
; Don't allocate space for the PDV memory map or
; symbol vector if not actually building them.
; Re-install some code which is needed on TOPS-10.
; Use nnnLNK if no better PDV name is available.
; Routine: LNKXIT
;2336 PY 24-Oct-84
; Produce correct symbol vector when explicit
; /pvdata:memory is seen.
; Routine: LNKXIT
;2337 JBS 5-Dec-84
; Catch CFORK% JSYS errors.
; Routine: LNKINI
;2340 PY 7-Dec-84
; Check for bad psect index in type 1074 block.
; Routine: LNKNEW
;2341 PY 7-Dec-84
; Handle strange octal psect origins correctly.
; Routine: LNKWLD
;2342 PY 7-Dec-84
; Add LNKPTP long error, fix cases where TP overflow
; happens or the GS area moves while doing argument
; typechecking.
; Routines: LNKERR, LNKLOD
;2343 PY 7-Dec-84
; Fix some problems with the type 1160 block, add
; LNKUSD long error message.
; Routines: LNKERR, LNKLOD, LNKNEW
;2344 PY 11-Dec-84
; Add compiler type for C.
; Routine: LNKPAR
;2345 HD 7-Dec-84
; Clean up and fix 1003 block code.
; Routine: LNKNEW
;2346 PY 12-Dec-84
; Don't try to GET% the EXE file if it was not
; written to disk.
; Routine: LNKXIT
;2347 PY 14-Dec-84
; Use argument block for COMPT. which removes
; PA1050.
; Routine: LNKXIT
;2350 PY 14-Dec-84
; Use LC/HC.IN and .OUT properly to map non-existant
; read only pages.
; Routine: LNKXIT
;2351 JBS 17-Dec-84
; Fix E$$UMF routine to print JSYS names.
; Routine: LNKLOG
;2352 PY 9-Jan-85
; Don't allocate more pages than will fit in LC area in
; STUFDD.
; Routine: LNKXIT
;2353 PY 10-Jan-85
; Remove improper symbols from LNKXIT, move SPLFK%
; argument block definitions into LNKPAR.
; Routines: LNKPAR, LNKXIT
;2354 HD 11-Feb-85
; Make map file display long symbols - case senstivity - and 1003
; title block information
; Routine:LNKMAP
;2355 PY 11-Feb-85
; Handle debuggers which don't start at the normal start
; address (such as ALGDDT) properly.
; Routine: LNKXIT
;2356 PY 11-Feb-85
; Remove unnecessary TOPS20 conditionals. Move NAMCMP
; to LNKSUB. Fix overflow problem in exe file writer
; when more than one section of pages has the same attributes.
; Routines: LNKLOW, LNKLOD, LNKNEW, LNKOLD, LNKSUB, LNKWLD,
; LNKXIT
;2357 PY 12-Feb-85
; Set up correct channel for save/get when splice fork
; fails.
; Routine: LNKXIT
;2360 PY 13-Feb-85
; Fix problem with edit 2355.
; Routine: LNKXIT
;2361 PY 19-Feb-85
; Fix fencepost error in calculation of PDV size.
; Routine: LNKXIT
;2362 PY 20-Feb-85
; Fix the /DEBUG:DDT code; store the DDT start
; address in EXECSW when it is stored in STADDR, since
; it is calculated after the debugger address table
; lookup.
; Routine: LNKXIT
;2363 PY 26-Mar-85
; Don't use DDT's start address if the user requested
; some other debugger and /TEST:DDT.
; Routine: LNKXIT
;2364 HD 28-Mar-85
; Use the correct value (HL.S1) for highest location loaded when
; calculating the number of pages for SSAVE JSYS.
; Routine: LNKXIT
;2365 HD 17-Jul-85
; Preserve T4 in NEWSCT to prevent LINK from dying after issuing certain
; messages if logical name LOG: is defined.
; Routine: LNKCOR
;2366 PY 9-Sep-85
; Implement symbol and entry vectors for extended addressing
; TOPS-10 programs. Add sparse LC paging on TOPS-10. Fix
; extended addressing library rule. Clean up TOPS-20
; conditionals. Don't try to keep the overflow file
; inside of section zero (didn't work right anyways). Fix
; type 1160 block on TOPS-10. Update parameter files.
; Routines: LNKD10, LNKT10, LNKPAR, LNKLOW, LNKCOR, LNKLOD,
; LNKOLD, LNKNEW, LNKOV1, LNKWLD, LNKXIT
;2367 PY 14-Oct-85
; Fix a TOPS-10 core management problem in wake of edit 2366.
; Routine: LNKOLD
;2370 PY 14-Oct-85
; Fix off-by-one when the last page of a segment is allocated
; but zero.
; Routine: LNKXIT
;2371 HD 10-Dec-85
; Fix exit condition for long symbol names in 1070 code
; Routine: LNKNEW
;2372 HD 10-Dec-85
; Use right half of LL.S2 to calculate seg origin.
; Routine: LNKOLD
;2373 HD 10-Dec-85
; Truncate long symbols properly for DDT undefined symbol table.
; Substitute "." for non sixbit characters when writting DDT symbol
; table.
; Routine: LNKXIT
;2374 HD 18-Dec-85 SPR #20-21027
; Fix TP paging by adding new global TPPTR to replace TP.PT in type
; checking code. Also don't toss block prematurely in TPREL1 if
; using overlays.
; Routines: LNKCOR,LNKLOD,LNKLOW
;2375 HD 23-Dec-85
; Fix bug when reading in symbol table in LNKMAP.
; Routine: LNKMAP
;2376 HD 17-Apr-86
; Fix Long symbol code, an off by one bug in INSRTZ calculation for
; a BLT and the execution message if the program name is a long name.
; Routines: LNKLOD,LNKOLD
;2377 HD 5-May-86
; Make 1045 blocks handle long names.
; Routine: LNKNEW
;2400 HD 12-May-86
; Fix bug in 1003 blocks where W2 is changed if REDIRECT is being used.
; Routine: LNKNEW
;2401 HD 16-May-86
; Fix problem in 1002 blocks for long names
; Routine: LNKNEW
;2402 HD 22-May-86
; On TOPS-10 version have LINK print the first six characters of a long
; program name with the LNKXCT message.
; Routine: LNKXIT
;2403 HD 28-May-86
; New corporate Copywrite statement.
; Routines: ALL
;2404 HD 24-Jun-86
; Truncate long program name to first six characters for Control T
; message and store long load name in PRGBLK because NAMBLK gets over
; written by each new 1003 block.
; Routines: LNKLOW, LNKOLD, LNKXIT
;2405 RJF 4-Mar-87 SPR:10-35689
; Protect W3 value across calls that may cause the TP area to move
; during typechecking.
;2406 RJF 13-MAR-87 SPR:10-35621
; RDBACK in LNKLOD got messed up when the area size was bigger than
; the the remainder of user core to read back in. Then edit 2202
; made edit 1740 not work at all. Fix: remove edit 1740 and rework
; the code to handle the section change correctly.
;2407 RJF 1-APR-87 RAW SPR
; Edit 2406 still used some code that assumed section-0. Fix
; RDBACK one more time, to do half-word calculations within the
; current section.
; [LNKLOD]
;2410 RJF 21-JUL-87 SPR:10-36037
; Routine X160SS for Type 1160 blocks, updated TAB.UW(R) "same
; as PAG.S0(R)", even if the area wasn't being paged. A Type-1
; block comes and we think we have to read in a window.
; "IO to unassigned channel" follows. Fix: don't update TAB.UW
; if not already paging.
; [LNKNEW]
;2411 RJF/DE 22-JUL-87 SPR:20-21647
; FORTRAN always puts a zero word at the end of long entries.
; This can screw us up no end. Fix: account for this.
; Also, fix some other coding errors.
; [LNKOLD][LNKNEW]
;2412 RJF 31-JUL-87 RAW SPR
; Add code to check for PSECT overlap while loading code,
; and setting PSECT origins.
; [LNKOLD][LNKPAR][LNKERR]
;2413 RJF 14-AUG-87 RAW SPR
; Psect info got all messed up when the LS area was paging.
; Fix TTLPSC to page in psect info, from nnnLLS.TMP correctly.
; [LNKMAP]
;2414 RJF 21-AUG-87
; Fix SETNH to check for the same relocation pointer in RC.TB twice.
; Fortran programs and /REDIRECT can cause this.
; [LNKOLD]
;2415 RJF 21-SEP-87 RAW SPR
; Lower %HISEG for TOPS-20 again since SCAN changed. TOPS-20 needs
; this symbol defined in LNKPAR and in L2PLNK.CCL. Currently 520000.
; [LNKPAR]
;2416 RJF 19-NOV-87 SPR:20-21698
; AN incorrect length calculation at OVR6GC+11 caused one too
; many blocks to be written if the length of the area was exactly
; 128 words.
; [LNKOV2]
;2417 RJF 5-FEB-88
; Update COPYRIGHT to 1988.
; [All .MAC files]
;2420 DE/RJF 1-Apr-88 SPR:10-36101
; Reset the LC.UP block number pointer when a .TMP file is discarded.
; [LNKOV1]
;2421 RJF 13-Jul-88
; /EXCLUDing a required module from an indexed library caused the
; index to never be used again. This also caused an undeserved
; [LNKLII ...] message when the index was more than one block long
; and the 2'nd or 3'rd index block was read.
; Make sure we get back to T.14 processing when we see we are not
; going to load a module, and we have an index in core.
; [LNKOLD]
;2422 RJF 14-Sep-88 SPR:10-36164
; The TP area could never page correctly because TP.DMP left
; junk in UW.TP and LW.TP together with other incorrect calculations.
; This resulted in PAGE. UUO failures, "Ill Address in UUO", etc...
; Rework TP.DMP in LNKCOR.
;
; After fixing TP.DMP it was found that if PG.TP in lnklod needed
; to expand the window via PG.TPU, it allocated the space by expanding
; TP.AB but never read any data into the new part of the window from
; the overflow file. Fix PG.TPU to read data into the expanded window.
;
; T112P could and did allocate typechecking blocks with a link word
; containing junk left over from the last time the core was used.
; This, after a lot of twisting and turning, resulted in an undeserved
; EOF on the nnnLTP.TMP file. Fix: Initialize ABLNK after allocating
; the block.
; [LNKCOR][LNKLOD][LNKNEW]
;2423 RJF 27-DEC-89
; Allow a lookup even if the spec doesn't contain a filename, as
; long as the user specifies a device name. The device could be
; a PATHed device containing a filename (ie PATH FOO:=dev:filnam)
; [LNKWLD]
;
; The -20 should be able to do the same thing, but a GTJFN% on
; dev:.REL fails. Hence, if no filename exists, make DVTXT1 only
; build "dev:", and require the user to define the entire spec
; (ie. DEFINE FOO: dev:filnam.REL) in his DEFINE command.
; [LNKFIO]
;
; Allow the /SSAVE switch even on TOPS-20 systems so that control
; files can be more compatible (/SSAVE = /SAVE for TOPS-20).
; [LNKPAR][LNKWLD]
;
; Add code to report the correct file-spec of the file that is
; currently open on a channel. This may not be the same as the
; OPEN/LOOKUP/ENTER/RENAME blocks, as in the case of PATHed devices.
; TOPS-10 only change. TOPS-20 already had the correct code.
; [LNKLOW][LNKLOG]
;2424 RJF 30-MAR-90
; Edit 2423 broke some switches on the -10 & -20 since we make dummy
; scan blocks that have no spec but never turn on FX.NDV in F.MOD.
; Hence, we did not ignore then as null specs.
; [LNKWLD][LNKOV1]
;2425 RJF 20-Apr-90
; More fixes to edit 2423 with regard to OSCAN and SWITCH.INI.
; And fix another problem with long entries.
; [LNKNEW,LNKSCN]
END ;OF LNKHST