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

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Fortran

C***********************************************************************
C
C EMIT.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 contains routines for emitting
C symbolic code and label definitions.
C
C-----------------------------------------------------------------------
C
C R E V I S I O N H I S T O R Y
C
C 29SEP81 Alex Hunter 1. Add EMIT_ABSDEF4 and EMIT_RELDEF4 entry
C points. (V5.3)
C 12NOV81 Alex Hunter 1. Use symbol_psect attribute. (V6.1)
C 14NOV81 Alex Hunter 1. Change addressing modes. (V6.2)
C 15FEB81 Alex Hunter 1. Change opcode column to permit longer
C code lines. (V6.7)
C
C***********************************************************************
SUBROUTINE EMIT(CODE)
INCLUDE 'PLMCOM.FOR/NOLIST'
CHARACTER*(*) CODE,PC
CHARACTER*32 NAME,LOC_LAB,PUBLIQUE,S1
CHARACTER*10 STRING10,DSTRING
INTEGER*4 IVAL,IFSD,OFFSET,OFFSET4
IF (OBJECT_FLAG) WRITE(OUT,1000) CODE
1000 FORMAT(2X,A)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2000) CODE
2000 FORMAT(32X,A)
ENDIF
RETURN
C----------------------------------------------------------
ENTRY EMIT_LABEL(IX)
IF ((SYMBOL_FLAGS(IX).AND.S_PUBLIC).NE.0) THEN
S1=PUBLIQUE(SYMBOL_PLM_ID(IX))
IF (OBJECT_FLAG) THEN
IF (MODEL.NE.4) THEN
WRITE(OUT,5002) S1(:LNB(S1))
5002 FORMAT(X,A,'::'/2X,'MOVL #K.,R11')
ELSE IF (.NOT.OVERLAY_FLAG) THEN
WRITE(OUT,1002) S1(:LNB(S1))
1002 FORMAT(X,A,'::'/2X,'MOVAB M.,R11')
ENDIF
ENDIF
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2002) S1(1:LNB(S1))
2002 FORMAT(31X,A,'::')
IF (MODEL.NE.4) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,4002)
4002 FORMAT(32X,'MOVL #K.,R11')
ELSE IF (.NOT.OVERLAY_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,3002)
3002 FORMAT(32X,'MOVAB M.,R11')
ENDIF
ENDIF
ENDIF
IF (OBJECT_FLAG)
# WRITE(OUT,1003) SYMBOL_VAX_ID(IX)(1:LNB(SYMBOL_VAX_ID(IX)))
1003 FORMAT(X,A,':')
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2003) SYMBOL_VAX_ID(IX)(1:LNB(SYMBOL_VAX_ID(IX)))
2003 FORMAT(31X,A,':')
ENDIF
RETURN
C----------------------------------------------------------
ENTRY EMIT_ABSDEF(NAME,OFF)
IVAL=OFF
GO TO 10
C----------------------------
ENTRY EMIT_ABSDEF4(NAME,OFFSET4)
IVAL=OFFSET4
10 CONTINUE
DSTRING=STRING10(IVAL,IFSD)
IF (OBJECT_FLAG) WRITE(OUT,1001) NAME(1:LNB(NAME)),DSTRING(IFSD:)
1001 FORMAT(X,A,' = ',A)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2001) NAME(1:LNB(NAME)),DSTRING(IFSD:)
2001 FORMAT(31X,A,' = ',A)
ENDIF
RETURN
C----------------------------------------------------------
ENTRY EMIT_RELDEF(IX,PC,OFFSET2)
OFFSET=OFFSET2
GO TO 20
C----------------------------
ENTRY EMIT_RELDEF4(IX,PC,OFFSET4)
OFFSET=OFFSET4
20 CONTINUE
IF (OFFSET.NE.0) THEN
IVAL=OFFSET
DSTRING=STRING10(IVAL,IFSD)
IF (IVAL.GT.0) THEN
IFSD=IFSD-1
DSTRING(IFSD:IFSD)='+'
ENDIF
ELSE
DSTRING=' '
IFSD=10
ENDIF
IF ((SYMBOL_FLAGS(IX).AND.S_PUBLIC).NE.0) THEN
S1=PUBLIQUE(SYMBOL_PLM_ID(IX))
IF (OBJECT_FLAG)
# WRITE(OUT,1004) S1(:LNB(S1)),PC,
# DSTRING(IFSD:)
1004 FORMAT(X,A,' == ',2A)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2004) S1(:LNB(S1)),PC,
# DSTRING(IFSD:)
2004 FORMAT(31X,A,' == ',2A)
ENDIF
ENDIF
IF (MODEL.EQ.4.AND..NOT.OVERLAY_FLAG.AND.
# SYMBOL_PSECT(IX).EQ.P_DATA) THEN
IF (OBJECT_FLAG)
# WRITE(OUT,1005) SYMBOL_VAX_ID(IX)(:LNB(SYMBOL_VAX_ID(IX))),
# PC,DSTRING(IFSD:)
1005 FORMAT(X,A,' = ',A,'-M.',A)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2005) SYMBOL_VAX_ID(IX)(:LNB(SYMBOL_VAX_ID(IX))),
# PC,DSTRING(IFSD:)
2005 FORMAT(31X,A,' = ',A,'-M.',A)
ENDIF
ELSE
IF (OBJECT_FLAG)
# WRITE(OUT,1007) SYMBOL_VAX_ID(IX)(:LNB(SYMBOL_VAX_ID(IX))),
# PC,DSTRING(IFSD:)
1007 FORMAT(X,A,' = ',2A)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2007) SYMBOL_VAX_ID(IX)(:LNB(SYMBOL_VAX_ID(IX))),
# PC,DSTRING(IFSD:)
2007 FORMAT(31X,A,' = ',2A)
ENDIF
ENDIF
RETURN
C----------------------------------------------------------
ENTRY EMIT_LOCAL_LABEL(LL)
IF (LL.EQ.0) RETURN
LOC_LAB=LOCAL_LABEL(LL,N1)
IF (OBJECT_FLAG) WRITE(OUT,1003) LOC_LAB(:N1)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2003) LOC_LAB(:N1)
ENDIF
PATH=.TRUE.
RETURN
C----------------------------------------------------------
ENTRY EMIT1(CODE)
IF (OBJECT_FLAG) WRITE(OUT,1006) CODE
1006 FORMAT(X,A)
IF (CODE_FLAG.AND.PRINT_FLAG.AND.LIST_FLAG) THEN
CALL ADVANCE_ONE_LINE
WRITE(LST,2006) CODE
2006 FORMAT(31X,A)
ENDIF
RETURN
END