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Digital-Research-Source-Code/ASSEMBLY & COMPILE TOOLS/PLM VAX COMPILER/plmvax/modules.for
Sepp J Morris 31738079c4 Upload
Digital Research
2020-11-06 18:50:37 +01:00

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Fortran

C***********************************************************************
C
C MODULES.FOR
C
C
C D I S C L A I M E R N O T I C E
C ------------------- -----------
C
C This document and/or portions of the material and data furnished
C herewith, was developed under sponsorship of the U. S. Government.
C Neither the U.S. nor the U.S.D.O.E., nor the Leland Stanford Junior
C University, nor their employees, nor their respective contractors,
C subcontractors, or their employees, makes any warranty, express or
C implied, or assumes any liability or responsibility for accuracy,
C completeness or usefulness of any information, apparatus, product
C or process disclosed, or represents that its use will not infringe
C privately-owned rights. Mention of any product, its manufacturer,
C or suppliers shall not, nor is it intended to, imply approval, dis-
C approval, or fitness for any particular use. The U. S. and the
C University at all times retain the right to use and disseminate same
C for any purpose whatsoever. Such distribution shall be made by the
C National Energy Software Center at the Argonne National Laboratory
C and only subject to the distributee furnishing satisfactory proof
C that he has a valid license from the Intel Corporation in effect.
C
C
C-----------------------------------------------------------------------
C
C This module of the PL/M-VAX compiler processes a (series of) PL/M
C program modules.
C
C-----------------------------------------------------------------------
C
C R E V I S I O N H I S T O R Y
C
C 13SEP81 Alex Hunter 1. Add LONG attribute to P_DATA psect. (V5.2)
C 21OCT81 Alex Hunter 1. Basic block analysis. (V5.5)
C 12NOV81 Alex Hunter 1. Define APD and MEMORY psects. (V6.1)
C 14NOV81 Alex Hunter 1. Change addressing modes and psect usage.
C (V6.2)
C
C***********************************************************************
SUBROUTINE COMPILATION
INCLUDE 'PLMCOM.FOR/NOLIST'
CALL MODULE
IF (TT.EQ.EOFTOK.OR.TT.EQ.K_EOF) RETURN
CALL ERROR('MULTIPLE COMPILATIONS NOT CURRENTLY SUPPORTED')
RETURN
END
C--------------------------------------------------------------
SUBROUTINE MODULE
INCLUDE 'PLMCOM.FOR/NOLIST'
CHARACTER*80 TITLE
CHARACTER*32 MODULE_NAME,START_NAME,ID_LINE,PUBLIQUE
INTEGER*4 NTICKS,NTICKS1,NFAULTS,NFAULTS1
REAL*4 TIME,TIME1,CPUTIM
INTEGER*4 HANDLE
CHARACTER*40 REGISTER_MASK
C
HANDLE=0
CALL LIB$INIT_TIMER(HANDLE)
TIME1=SECNDS(0.0)
CALL JPI(NTICKS1,NFAULTS1)
IF (NLABELS.EQ.0) THEN
CALL ERROR('MODULE NAME MISSING: MAIN. ASSUMED')
NLABELS=1
LABELS(NLABELS) = 'MAIN.'
ENDIF
PROC_ENTRY_MASK(PROC_LEVEL)=0
DO I=1,NLABELS-1
CALL ERROR('EXTRANEOUS LABEL IGNORED -- '//LABELS(I))
ENDDO
MODULE_NAME=PUBLIQUE(LABELS(NLABELS))
CALL PUSHC(LABELS(NLABELS))
CALL EMIT('.TITLE '//MODULE_NAME(:LNB(MODULE_NAME))//' '//
# TITLE(:MAKE_CHARS(TITLE,TITLE_STRING)))
ENCODE(32,1001,ID_LINE) VERSION
1001 FORMAT('.IDENT "PL/M-VAX V',F3.1,'"')
CALL EMIT(ID_LINE)
CALL EMIT('.ENABLE GLOBAL')
CALL EMIT('.ENABLE LOCAL_BLOCK')
IF (DEBUG_FLAG) CALL EMIT('.ENABLE DEBUG')
IF (PSECT_NAME(P_CONSTANTS).NE.PSECT_NAME(P_DATA)) THEN
CALL EMIT('.PSECT '//
# PSECT_NAME(P_CONSTANTS)(:LNB(PSECT_NAME(P_CONSTANTS)))//
# ',RD,NOWRT,EXE,GBL,CON')
ENDIF
CALL EMIT('.PSECT '//
# PSECT_NAME(P_STACK)(:LNB(PSECT_NAME(P_STACK)))//
# ',RD,WRT,EXE,GBL,CON')
IF (VECTOR_FLAG) THEN
CALL EMIT('.PSECT '//
# PSECT_NAME(P_VECTOR)(:LNB(PSECT_NAME(P_VECTOR)))//
# ',RD,NOWRT,EXE,GBL,CON')
ENDIF
CALL EMIT('.PSECT '//
# PSECT_NAME(P_APD)(:LNB(PSECT_NAME(P_APD)))//
# ',RD,WRT,NOEXE,GBL,CON,LONG')
IF (FREQ_FLAG) THEN
CALL EMIT('.PSECT '//
# PSECT_NAME(P_FREQ)(:LNB(PSECT_NAME(P_FREQ)))//
# ',RD,WRT,NOEXE,GBL,CON')
ENDIF
CALL EMIT('.PSECT '//
# PSECT_NAME(P_MEMORY)(:LNB(PSECT_NAME(P_MEMORY)))//
# ',PIC,OVR,GBL,SHR,NOEXE,RD,WRT,LONG')
CALL EMIT1('MEMORY.:')
CALL EMIT('.PSECT '//
# PSECT_NAME(P_DATA)(:LNB(PSECT_NAME(P_DATA)))//
# ',RD,WRT,NOEXE,GBL,CON,LONG')
IF (MODEL.NE.4) THEN
CALL EMIT1('K. = ^X8000')
ENDIF
IF (MODEL.EQ.4.AND..NOT.OVERLAY_FLAG) THEN
CALL EMIT1('M. = .+128')
ENDIF
CALL EMIT('.PSECT '//
# PSECT_NAME(P_CODE)(:LNB(PSECT_NAME(P_CODE)))//
# ',RD,NOWRT,EXE,GBL,CON')
NLABELS=0
CALL MATCH(K_DO)
CALL MATCH(D_SEMI)
CALL BLOCK_BEGIN
CALL DECLARATIONS
IF (TT.NE.K_END) THEN
CALL PSECT(P_APD)
CALL EMIT1('FPSP. = .')
CALL EMIT('.BLKQ 1')
CALL PSECT(P_CODE)
PATH=.TRUE.
IF (OVERLAY_FLAG) THEN
CALL EMIT1(MODULE_NAME(:LNB(MODULE_NAME))//'::')
CALL EMIT('.WORD MSK.')
START_NAME=' '
ELSE
CALL EMIT1('START.: .WORD MSK.')
START_NAME='START.'
ENDIF
IF (MODEL.NE.4) THEN
CALL EMIT('MOVL #K.,R11')
CALL PRESERVE_REG(11)
ELSEIF (.NOT.OVERLAY) THEN
CALL EMIT('MOVAB M.,R11')
CALL PRESERVE_REG(11)
ENDIF
IF (MODEL.EQ.1 .OR. MODEL.EQ.3) THEN
CALL EMIT('MOVAB S.,R10')
CALL PRESERVE_REG(10)
ENDIF
CALL EMIT('MOVQ FP,FPSP.')
CALL UNITS
CALL BREAK
IF (PATH) THEN
CALL EMIT('MOVL #1,R0')
CALL EMIT('RET')
ENDIF
CALL EMIT1('MSK. = '//
# REGISTER_MASK(PROC_ENTRY_MASK(PROC_LEVEL)))
ELSE
START_NAME=' '
ENDIF
CALL OUTPUT_PUBLICS(MODULE_NAME)
CALL BLOCK_END
CALL END_STATEMENT
IF (SKIP_STATE.NE.4) THEN
CALL ERROR('$ENDIF MISSING AT END OF COMPILATION')
ENDIF
CALL EMIT('.END '//START_NAME)
IF (PRINT_FLAG) THEN
CALL SUMMARY_TAIL
CALL ROOM_FOR(8)
CALL ADVANCE_ONE_LINE
TIME=SECNDS(TIME1)
CALL JPI(NTICKS,NFAULTS)
CPUTIM=(NTICKS-NTICKS1)*.01
WRITE(LST,1000) CPUTIM,TIME,NFAULTS-NFAULTS1
1000 FORMAT(//' PL/M-VAX COMPILATION STATISTICS'//
# ' CPU Time:',T21,F8.2' seconds'/
# ' Elapsed Time:'T21,F8.2' seconds'/
# ' Page Faults:'T21,I8)
ENDIF
CALL LIB$SHOW_TIMER(HANDLE)
RETURN
END