fixup commit for tag 'distr2'

This commit is contained in:
cvs2hg
1987-08-26 13:58:31 +00:00
parent d10d14acac
commit 8d7ceb6d6c
268 changed files with 441 additions and 35277 deletions

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -12,7 +12,6 @@ csb.s
dup.s
dvi2.s
exg.s
flp.s
inn.s
ior.s
lar2.s

View File

@@ -1,33 +0,0 @@
.define .adf4,.adf8,.sbf4,.sbf8,.mlf4,.mlf8,.dvf4,.dvf8
.define .ngf4,.ngf8,.fif4,.fif8,.fef4,.fef8
.define .zrf4,.zrf8
.define .cfi,.cif,.cuf,.cff,.cfu
.define .cmf4,.cmf8
! Floating point is not implemented
.adf4:
.adf8:
.sbf4:
.sbf8:
.mlf4:
.mlf8:
.dvf4:
.dvf8:
.ngf4:
.ngf8:
.fif4:
.fif8:
.fef4:
.fef8:
.zrf4:
.zrf8:
.cfi:
.cif:
.cuf:
.cff:
.cfu:
.cmf4:
.cmf8:
call eunimpl
ret

View File

@@ -818,61 +818,15 @@ gen Call {label,".sri4"}
/* Group 5: Floating point arithmetic */
/********************************************/
pat adf $1==4
with STACK
gen Call {label,".adf4"}
/* Floating points are not supported */
pat adf $1==8
with STACK
gen Call {label,".adf8"}
pat sbf $1==4
with STACK
gen Call {label,".sbf4"}
pat sbf $1==8
with STACK
gen Call {label,".sbf8"}
pat mlf $1==4
with STACK
gen Call {label,".mlf4"}
pat mlf $1==8
with STACK
gen Call {label,".mlf8"}
pat dvf $1==4
with STACK
gen Call {label,".dvf4"}
pat dvf $1==8
with STACK
gen Call {label,".dvf8"}
pat ngf $1==4
with STACK
gen Call {label,".ngf4"}
pat ngf $1==8
with STACK
gen Call {label,".ngf8"}
pat fif $1==4
with STACK
gen Call {label,".fif4"}
pat fif $1==8
with STACK
gen Call {label,".fif8"}
pat fef $1==4
with STACK
gen Call {label,".fef4"}
pat fef $1==8
with STACK
gen Call {label,".fef8"}
pat adf gen Call {label,"eunimpl"}
pat sbf gen Call {label,"eunimpl"}
pat mlf gen Call {label,"eunimpl"}
pat dvf gen Call {label,"eunimpl"}
pat ngf gen Call {label,"eunimpl"}
pat fif gen Call {label,"eunimpl"}
pat fef gen Call {label,"eunimpl"}
/********************************************/
/* Group 6: Pointer arithmetic */
@@ -965,13 +919,7 @@ pat zre
uses hlreg={const2,0}
gen shld {label,$1}
pat zrf $1==4
with STACK
gen Call {label,".zrf4"}
pat zrf $1==8
with STACK
gen Call {label,".zrf8"}
pat zrf gen Call {label,"eunimpl"}
pat zer $1==2 yields {const2,0}
@@ -1087,26 +1035,12 @@ with STACK
uses areg={const1,0}
gen Call {label,".cii"}
pat cfi
with STACK
gen Call {label,".cfi"}
pat cif
with STACK
gen Call {label,".cif"}
pat cuf
with STACK
gen Call {label,".cuf"}
pat cff
with STACK
gen Call {label,".cff"}
pat cfu
with STACK
gen Call {label,".cfu"}
pat cfi gen Call {label,"eunimpl"}
pat cif gen Call {label,"eunimpl"}
pat cuf gen Call {label,"eunimpl"}
pat cff gen Call {label,"eunimpl"}
pat cfu gen Call {label,"eunimpl"}
/*****************************************/
/* Group 9: Logical instructions */
/*****************************************/
@@ -1392,13 +1326,7 @@ with STACK
uses areg={const1,1}
gen Call {label,".cmi4"} yields de
pat cmf $1==4
with STACK
gen Call {label,".cmf4"}
pat cmf $1==8
with STACK
gen Call {label,".cmf8"}
pat cmf gen Call {label,"eunimpl"}
pat cmu $1==2
with hl_or_de hl_or_de

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -23,19 +23,6 @@ static char rcsid[] = "$Header$";
* machine dependent back end routines for the Motorola 68000
*/
#define IEEEFLOAT
#ifdef IEEEFLOAT
#include "FP.h"
#include "trp.c"
#include "fcompact.c"
#include "dbl_extract.c"
#ifdef PRT_EXP_DEBUG
#include "prt_extend.c"
#endif
#endif IEEEFLOAT
con_part(sz,w) register sz; word w; {
while (part_size % sz)
@@ -61,58 +48,24 @@ con_mult(sz) word sz; {
fprintf(codefile,".long %s\n",str);
}
#ifdef IEEEFLOAT
dbl_adjust(fl)
my_dbl *fl;
{
EXTEND buf;
con_float() {
/* special routine to strip SGL_BIAS */
dbl_extract(fl,&buf);
/* standard routine to add DBL_BIAS */
fcompact(&buf,fl,sizeof(double));
}
#endif IEEEFLOAT
con_float()
{
register word sz;
register long *l;
#ifdef IEEEFLOAT
register my_dbl *md;
#endif IEEEFLOAT
double d;
char mesg[128];
sz = argval;
if (sz!= 4 && sz!= 8) {
sprintf(mesg,"con_float(): bad fcon size %d %D\nstr: %s\n\0",
sz,sz,str);
fatal(mesg);
}
d = atof(str);
l = (long *) &d;
#ifdef IEEEFLOAT
if (sz == 8) {
/* ATOF() RETURNS THE PROPER FORMAT FOR A FLOAT */
/* BUT NOT FOR A DOUBLE. CORRECT THE FORMAT. */
md = (my_dbl *) &d;
dbl_adjust(md);
}
#endif IEEEFLOAT
while ( sz ) {
fprintf(codefile,"\t.word 0x%x,0x%x !float test %s\n",
(int)(*l)&0xFFFF,(int)(*l>>16)&0xFFFF,str);
sz -=4 ;
l++;
static int been_here;
if (argval != 4 && argval != 8)
fatal("bad fcon size");
fprintf(codefile,".long\t");
if (argval == 8)
fprintf(codefile,"F_DUM,");
fprintf(codefile,"F_DUM\n");
if ( !been_here++)
{
fprintf(stderr,"Warning : dummy float-constant(s)\n");
}
}
#ifdef REGVARS
regscore(off,size,typ,score,totyp)
long off;
{
@@ -140,6 +93,8 @@ regscore(off,size,typ,score,totyp)
score -= 1; /* take save/restore into account */
return score;
}
struct regsav_t {
char *rs_reg; /* e.g. "a3" or "d5" */
long rs_off; /* offset of variable */
@@ -148,10 +103,20 @@ struct regsav_t {
int regnr;
int nr_a_regs,nr_d_regs;
int TEM_BSIZE;
static long nlocals;
prolog(n)
{ nlocals = n; }
i_regsave()
{
regnr = 0;
nr_a_regs = 0;
nr_d_regs = 0;
TEM_BSIZE = 0;
}
#define MOVEM_LIMIT 2
@@ -160,9 +125,11 @@ i_regsave()
* we simply use several move.l's.
*/
save()
{
register struct regsav_t *p;
int i;
if (regnr > MOVEM_LIMIT) {
fprintf(codefile,"movem.l ");
@@ -173,16 +140,37 @@ save()
}
fprintf(codefile,",-(sp)\n");
} else {
for (p = regsav; p < &regsav[regnr]; p++) {
fprintf(codefile,"move.l %s,-(sp)\n",p->rs_reg);
/* Note that the order in which the registers are saved
* is important; it is used by gto.s.
*/
for (i = 0; i < nr_a_regs; i++) {
fprintf(codefile,"move.l a%d,-(sp)\n",5-i);
}
for (i = 0; i < nr_d_regs; i++) {
fprintf(codefile,"move.l d%d,-(sp)\n",7-i);
}
}
/* Push a mask that indicates which registers were saved */
assert(nr_d_regs < 8 && nr_a_regs < 8);
if (nr_d_regs == 0 && nr_a_regs == 0) {
fprintf(codefile,"clr.w -(sp)\n");
} else {
fprintf(codefile,"move.w #%d,-(sp)\n",
nr_d_regs + (nr_a_regs<<3));
}
/* Compute AB - LB */
TEM_BSIZE = 4 * (nr_d_regs + nr_a_regs) + 10;
/* allocate space for local variables */
fprintf(codefile,"tst.b -%D(sp)\nlink\ta6,#-%D\n",nlocals+40,nlocals);
/* initialise register-parameters */
for (p = regsav; p < &regsav[regnr]; p++) {
if (p->rs_off >= 0) {
fprintf(codefile,"move.%c %ld(a6),%s\n",
(p->rs_size == 4 ? 'l' : 'w'),
p->rs_off,
p->rs_off + TEM_BSIZE,
p->rs_reg);
}
}
@@ -191,7 +179,10 @@ save()
restr()
{
register struct regsav_t *p;
int i;
fprintf(codefile,"unlk a6\n");
fprintf(codefile,"add.l #2,sp\n"); /* pop mask */
if (regnr > MOVEM_LIMIT) {
fprintf(codefile,"movem.l (sp)+,");
for (p = regsav; ;) {
@@ -201,11 +192,13 @@ restr()
}
putc('\n',codefile);
} else {
for (p = &regsav[regnr-1]; p >= regsav; p--) {
fprintf(codefile,"move.l (sp)+,%s\n",p->rs_reg);
for (i = nr_d_regs - 1; i >= 0; i--) {
fprintf(codefile,"move.l (sp)+,d%d\n",7-i);
}
for (i = nr_a_regs - 1; i >= 0; i--) {
fprintf(codefile,"move.l (sp)+,a%d\n",5-i);
}
}
fprintf(codefile,"unlk a6\n");
fprintf(codefile,"rts\n");
}
@@ -221,6 +214,12 @@ regsave(str,off,size)
{
assert (regnr < 9);
regsav[regnr].rs_reg = str;
if (str[0] == 'a') {
nr_a_regs++;
} else {
assert(str[0] == 'd');
nr_d_regs++;
}
regsav[regnr].rs_off = off;
regsav[regnr++].rs_size = size;
fprintf(codefile, "!Local %ld into %s\n",off,str);
@@ -233,11 +232,15 @@ regreturn()
#endif
#ifndef REGVARS
prolog(nlocals) full nlocals; {
fprintf(codefile,"tst.b -%D(sp)\nlink\ta6,#-%D\n",nlocals+40,nlocals);
}
#endif
mes(type) word type ; {

View File

@@ -1,4 +1,3 @@
"$Header$"
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
@@ -33,7 +32,6 @@
EM_WSIZE = 2
EM_PSIZE = 4
EM_BSIZE = 8
@@ -114,8 +112,6 @@ ABS = {STRING addr;} 2 cost=(3,5) "%[addr]"
ABS1 = {STRING addr;} 2 cost=(3,5) "%[addr]"
IMMEDIATE = {INT cc;} 2 cost=(1,2) "#%[cc]"
LOCAL_ADDR = {INT off;} 4 /* not really addressable */
REGOFF_ADDR = {REGISTER reg;
INT off;} 4 /* not really addressable */
EXTERNAL_ADDR = {STRING off;} 4 cost=(4,4) "#%[off]"
INDEX_ADDR = {REGISTER reg,ireg;
INT di;} 4
@@ -156,15 +152,13 @@ ALT_MEM = ALTERABLE * MEMORY
DATASCR = DATAREG * SCRATCH
ADDSCR = ADDREG * SCRATCH
MEM_ALL = ALL - DATAREG - DATAREG4 - ADDREG - IMMEDIATE - IMMEDIATE4
- LOCAL_ADDR -REGOFF_ADDR - EXTERNAL_ADDR - DOUBLE - DOUBLEZERO
- LOCAL_ADDR - EXTERNAL_ADDR - DOUBLE - DOUBLEZERO
ALL_ACCESSIBLE = IADDREG + IADDREG4 + IADDREG1 + INDEXED + INDEXED4
ANY1 = DISPL1 + ABS1 + IADDREG1
DATA_ALT1 = ANY1
DATA_ALT_1OR2 = DATA_ALT + DATA_ALT1
DATA_ALT_1OR2 = DATA_ALT + ANY1
REG4 = DATAREG4 + ADDREG
DATA4 = DATAREG4 + IADDREG4 + DISPL4 + INDEXED4 +
ABS4 + IMMEDIATE4 + DOUBLE
MEMORY4 = DATA4 - DATAREG4
@@ -210,18 +204,13 @@ lil | | allocate(ADDREG = {DISPL4,LB,$1})| {IADDREG,%[a]} | |
lof | ADDREG | | {DISPL,%[1],$1} | |
... | nocoercions: EXTERNAL_ADDR | | {ABS,%[1.off]+"+"+tostring($1)} | |
... | nocoercions: LOCAL_ADDR | | {DISPL,LB,%[1.off]+$1} | |
... | nocoercions: REGOFF_ADDR | | {DISPL,%[1.reg],%[1.off]+$1} | |
ldf | ADDREG | | {DISPL4,%[1],$1} | |
... | nocoercions: EXTERNAL_ADDR | | {ABS4,%[1.off]+"+"+tostring($1)} | |
... | nocoercions: LOCAL_ADDR | | {DISPL4,LB,%[1.off]+$1} | |
... | nocoercions: REGOFF_ADDR | | {DISPL4,%[1.reg],%[1.off]+$1} | |
lal | | | {LOCAL_ADDR,$1} | |
| LOCAL_ADDR | allocate(ADDREG)
"lea %[1.off](a6),%[a]"
samecc | %[a] | |
| REGOFF_ADDR | allocate(ADDREG)
"lea %[1.off](%[1.reg]),%[a]"
samecc | %[a] | |
lae | | | {EXTERNAL_ADDR,$1} | |
| EXTERNAL_ADDR | allocate(ADDREG)
"lea %[1.off],%[a]"
@@ -230,33 +219,17 @@ lae | | | {EXTERNAL_ADDR,$1} | |
/* For the lxl and lxa instructions we assume that the static link
* (i.e. a pointer to the LB of the lexically enclosing subprogram)
* is passed as zero-th actual parameter. The distance (in bytes)
* between LB and the zero-th parameter is the constant EM_BSIZE
* between LB and the zero-th parameter is the constant 8
*/
lxl $1 == 0 | | | LB | |
lxl $1 == 1 | | | {DISPL4,LB,8} | |
lxl $1>1 | |
allocate(ADDREG,DATAREG = {IMMEDIATE,$1-1})
"move.l a6,%[a]"
"1:"
"move.l 8(%[a]),%[a]"
"dbf %[b],1b"
erase(%[b]) | %[a] | |
lxa $1 == 0 | |
allocate(ADDREG = {IMMEDIATE4,8})
"add.l a6,%[a]"
erase(%[a]) | %[a] | |
lxa $1 > 0 | |
allocate(ADDREG, DATAREG = {IMMEDIATE,$1-1})
"move.l a6,%[a]"
"1:"
"move.l 8(%[a]),%[a]"
"dbf %[b],1b"
"add.l #8,%[a]"
erase(%[b]) | %[a] | |
lxl $1>=1 | STACK |
"move.w #$1,-(sp)"
"jsr .lxl" | A0 | |
lxa | STACK | "move.w #$1,-(sp)"
"jsr .lxa" | A0 | |
loi $1 == 1 | ADDREG | | {IADDREG1, %[1]} | |
... | nocoercions: LOCAL_ADDR | | {DISPL1,LB,%[1.off]} | |
... | nocoercions: REGOFF_ADDR | | {DISPL1,%[1.reg],%[1.off]} | |
... | nocoercions: EXTERNAL_ADDR | | {ABS1,%[1.off]} | |
loi $1 == 2 | ADDREG | | {IADDREG,%[1]} | |
loi $1 == 4 | ADDREG | | {IADDREG4,%[1]} | |
@@ -272,9 +245,7 @@ lae loi $2 == 6 | | remove(ALL)
lae loi $2 == 8 | | remove(ALL)
"move.l $1+4,-(sp)"
"move.l $1,-(sp)" | | |
loi $1 == 6 | ADDREG | | {DISPL,%[1],4} {IADDREG4,%[1]} | |
loi $1 == 8 | ADDREG | | {DISPL4,%[1],4} {IADDREG4,%[1]} | |
loi $1 > 8 | ADDSCR | remove(ALL)
loi $1 > 4 | ADDSCR | remove(ALL)
allocate(DATAREG4= {IMMEDIATE4,$1/2-1})
"add.l #$1,%[1]"
"1:"
@@ -328,12 +299,10 @@ lpi | | | {EXTERNAL_ADDR,$1} | |
#ifdef REGVARS
stl inreg($1)==2 | nocoercions: ANY | remove(regvar($1))
stl inreg($1)==2 | ANY | remove(regvar($1))
move(%[1],regvar($1)) | | |
... | STACK |
"move.w (sp)+,%(regvar($1)%)" | | |
#endif
stl | nocoercions: ANY | remove(DISPL,%[reg] == LB && %[dis] == $1)
stl | ANY | remove(DISPL,%[reg] == LB && %[dis] == $1)
remove(DISPL4,%[reg] == LB && (%[dis] == $1-2 ||
%[dis] == $1))
remove(DISPL1,%[reg] == LB && (%[dis] == $1 ||
@@ -343,8 +312,6 @@ stl | nocoercions: ANY | remove(DISPL,%[reg] == LB && %[dis] == $1)
remove(DISPL1,%[reg] != LB)
remove(ALL_ACCESSIBLE)
move(%[1],{DISPL,LB,$1}) | | |
... | STACK |
"move.w (sp)+,$1(a6)" | | |
ste | ANY |
remove(ABS)
remove(ABS4)
@@ -411,29 +378,6 @@ sti $1 == 1
... | nocoercions: LOCAL_ADDR ANY1 |
remove(MEM_ALL)
move(%[2],{DISPL1,LB,%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR DATAREG |
remove(MEM_ALL)
move(%[2], {DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR IADDREG |
remove(MEM_ALL)
move({DISPL,%[2.reg],1}, {DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR DISPL |
remove(MEM_ALL)
move({DISPL,%[2.reg],%[2.dis]+1}, {DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR INDEXED |
remove(MEM_ALL)
move({INDEXED,%[2.reg],%[2.ireg],%[2.di]+1},
{DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR ABS |
remove(MEM_ALL)
move({ABS,%[2.addr]+"+1"}, {DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR IMMEDIATE |
remove(MEM_ALL)
move({IMMEDIATE,(%[2.cc]-((%[2.cc]>>8)<<8)+128)%256-128},
{DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: REGOFF_ADDR ANY1 |
remove(MEM_ALL)
move(%[2],{DISPL1,%[1.reg],%[1.off]}) | | |
... | nocoercions: EXTERNAL_ADDR DATAREG |
remove(MEM_ALL)
move(%[2], {ABS1,%[1.off]}) | | |
@@ -471,13 +415,10 @@ sts $1 == 2 | | remove(ALL)
"jsr .sts"
| | |
#ifdef REGVARS
sdl inreg($1)==2 | nocoercions: ANY4 | remove(regvar($1))
sdl inreg($1)==2 | ANY4 | remove(regvar($1))
move (%[1],regvar($1)) | | |
... | STACK |
"move.l (sp)+,%(regvar($1)%)" | | |
#endif
sdl | nocoercions: ANY4 |
remove(DISPL,%[reg] == LB && (%[dis] == $1 || %[dis] == $1+2))
sdl | ANY4 | remove(DISPL,%[reg] == LB && (%[dis] == $1 || %[dis] == $1+2))
remove(DISPL4,%[reg] == LB && (%[dis] >= $1-2 &&
%[dis] <= $1+2))
remove(DISPL1,%[reg] == LB && (%[dis] >= $1 &&
@@ -487,8 +428,6 @@ sdl | nocoercions: ANY4 |
remove(DISPL1,%[reg] != LB)
remove(ALL_ACCESSIBLE)
move(%[1],{DISPL4,LB,$1}) | | |
... | STACK |
"move.l (sp)+,$1(a6)" | | |
sde | ANY4 |
remove(ABS)
remove(ABS4)
@@ -510,41 +449,6 @@ sdf | ADDREG ANY4 | remove(MEM_ALL)
* local variables that are not register-variables.
*/
ldl ldl adp sdl loi $1==$2 && $2==$4 && inreg($1)==2 && $3==1 && $5==1 | |
allocate(DATAREG={IMMEDIATE,0})
remove(regvar($1))
"move.b (%(regvar($1)%))+,%[a]" | %[a] | |
ldl ldl adp sdl loi $1==$2 && $2==$4 && inreg($1)==2 && $3==2 && $5==2 | |
allocate(DATAREG)
remove(regvar($1))
"move.w (%(regvar($1)%))+,%[a]" | %[a] | |
ldl ldl adp sdl sti $1==$2 && $2==$4 && inreg($1)==2 && $3==1 && $5==1 | DATAREG |
remove(regvar($1))
"move.b %[1],(%(regvar($1)%))+" | | |
ldl ldl adp sdl sti $1==$2 && $2==$4 && inreg($1)==2 && $3==2 && $5==2 | ANY |
remove(regvar($1))
"move.w %[1],(%(regvar($1)%))+" | | |
ldl ldl adp sdl $1==$2 && $2==$4 && inreg($1)==2 | |
allocate(ADDREG=regvar($1)) | %[a]
| ldl $2 adp $3 sdl $2 |
lol inl $1==$2 && inreg($1)==2 | |
allocate(DATAREG=regvar($1)) | %[a]
| inl $2 |
lol inl $1==$2 | |
allocate(DATAREG={DISPL,LB,$1}) | %[a]
| inl $2 |
lol del $1==$2 && inreg($1)==2 | |
allocate(DATAREG=regvar($1)) | %[a]
| del $2 |
lol del $1==$2 | |
allocate(DATAREG={DISPL,LB,$1}) | %[a]
| del $2 |
loe ine $1==$2 | |
allocate(DATAREG={ABS,$1}) | %[a]
| ine $2 |
loe dee $1==$2 | |
allocate(DATAREG={ABS,$1}) | %[a]
| dee $2 |
lol adi stl $1 == $3 && $2 == 2 && inreg($1)==2 | ANY |
remove(regvar($1))
@@ -643,15 +547,14 @@ lol loc slu stl $1 == $4 && $2 == 1 && $3 == 2 && inreg($1)==2 | |
remove(regvar($1))
"asl.w #1,%(regvar($1)%)"
erase(regvar($1)) | | |
ldl ldl adp sdl $1 == $2 && $2 == $4 && inreg($1)==2 | |
remove(regvar($1))
allocate(ADDREG=regvar($1))
"add.l #$3,%(regvar($1)%)"
erase(regvar($1)) | %[a] | |
ldl adp sdl $1 == $3 && inreg($1)==2 | | remove(regvar($1))
"add.l #$2,%(regvar($1)%)"
erase(regvar($1)) | | |
ldl adp dup sdl loi inreg($1) == 2 && $1 == $4 && $3 == 4 && $5 == 4 | | | |
ldl $1 adp $2 sdl $1 ldl $1 loi 4 |
ldl loi ldl loi adp ldl sti $2==4&&$4==4&&$7==4&&$1==$3&&$1==$6&&inreg($1)==2
| | remove(MEM_ALL)
allocate(ADDREG = {IADDREG4,regvar($1)})
"add.l #$5,(%(regvar($1)%))" | %[a] | |
loc ldl ads sdl $2 == $4 && $3 == 2 && inreg($2)==2 | |
remove(regvar($2))
"add.l #$1,%(regvar($2)%)"
@@ -666,12 +569,10 @@ ldc ldl ads sdl $2 == $4 && $3 == 4 && inreg($2)==2 | |
erase(regvar($2)) | | |
lil inc sil $1==$3 && inreg($1)==2 | |
remove(MEM_ALL)
"add.w #1,(%(regvar($1)%))"
setcc({IADDREG,regvar($1)}) | | |
"add.w #1,(%(regvar($1)%))" | | |
lil dec sil $1==$3 && inreg($1)==2 | |
remove(MEM_ALL)
"sub.w #1,(%(regvar($1)%))"
setcc({IADDREG,regvar($1)}) | | |
"sub.w #1,(%(regvar($1)%))" | | |
lol and stl $1 == $3 && $2 == 2 && inreg($1)==2 | ANY |
remove(regvar($1))
"and.w %[1],%(regvar($1)%)"
@@ -866,24 +767,12 @@ lol ngi stl $1 == $3 && $2 == 4 | |
loe ngi ste $1 == $3 && $2 == 4 | |
remove(MEM_ALL)
"neg.l $1" | | |
loc sli $1 == 1 && $2 == 2 | DATASCR |
"add.w %[1],%[1]"
erase(%[1])
setcc(%[1]) | %[1] | |
loc sli $1 > 1 && $1 <= 8 && $2 == 2 | DATASCR |
loc sli $1 >= 1 && $1 <= 8 && $2 == 2 | DATASCR |
"asl.w #$1,%[1]"
erase(%[1]) | %[1] | |
loc sli $1 == 1 && $2 == 4 | DATASCR4 |
"add.l %[1],%[1]"
erase(%[1])
setcc(%[1]) | %[1] | |
loc sli $1 > 1 && $1 <= 8 && $2 == 4 | DATASCR4 |
loc sli $1 >= 1 && $1 <= 8 && $2 == 4 | DATASCR4 |
"asl.l #$1,%[1]"
erase(%[1]) | %[1] | |
lol loc sli ads inreg($1) == 2 && $2 == 1 && $3 == 2 && $4 == 2 | ADDSCR |
"add.w %(regvar($1)%),%[1]"
"add.w %(regvar($1)%),%[1]"
erase(%[1]) | %[1] | |
lol loc sli stl $1 == $4 && $2 == 1 && $3 == 2 | |
remove(MEM_ALL)
"asl.w #1, $1(a6)" | | |
@@ -1035,78 +924,16 @@ adu | | | | adi $1 |
sbu | | | | sbi $1 |
slu | | | | sli $1 |
/* Floating point stuff */
adf $1==4 | |
remove(ALL)
"jsr .adf4" | | asp 8 lfr 4 |
adf $1==8 | |
remove(ALL)
"jsr .adf8" | | asp 16 lfr 4 loi 8 |
sbf $1==4 | |
remove(ALL)
"jsr .sbf4" | | asp 8 lfr 4 |
sbf $1==8 | |
remove(ALL)
"jsr .sbf8" | | asp 16 lfr 4 loi 8 |
mlf $1==4 | |
remove(ALL)
"jsr .mlf4" | | asp 8 lfr 4 |
mlf $1==8 | |
remove(ALL)
"jsr .mlf8" | | asp 16 lfr 4 loi 8 |
dvf $1==4 | |
remove(ALL)
"jsr .dvf4" | | asp 8 lfr 4 |
dvf $1==8 | |
remove(ALL)
"jsr .dvf8" | | asp 16 lfr 4 loi 8 |
ngf $1==4 | |
remove(ALL)
"jsr .ngf4" | | asp 4 lfr 4 |
ngf $1==8 | |
remove(ALL)
"jsr .ngf8" | | asp 16 lfr 4 loi 8 |
fif $1==4 | |
remove(ALL)
"jsr .fif4" | | asp 16 lfr 4 loi 8 |
fif $1==8 | |
remove(ALL)
"jsr .fif8" | | asp 16 lfr 4 loi 16 |
fef $1==4 | |
remove(ALL)
"jsr .fef4" | | asp 4 lfr 4 loi 8 |
fef $1==8 | |
remove(ALL)
"jsr .fef8" | | asp 8 lfr 4 loi 12 |
/* G R O U P VI : P O I N T E R A R I T H M E T I C */
adp $1 >= 1 && $1 <= 8
| nocoercions: EXTERNAL_ADDR | | {EXTERNAL_ADDR,%[1.off] + "+"
+ tostring($1)} | |
... | nocoercions: LOCAL_ADDR | | {LOCAL_ADDR,%[1.off]+$1} | |
... | nocoercions: REGOFF_ADDR | | {REGOFF_ADDR,%[1.reg],%[1.off]+$1} | |
... | nocoercions: ADDREG | | {REGOFF_ADDR,%[1],$1} | |
... | ADDSCR | "add.l #$1,%[1]"
adp $1 >= 1 && $1 <= 8 | ADDSCR | "add.l #$1,%[1]"
erase(%[1])
setcc(%[1]) | %[1] | |
adp $1 >= 0-32767 && $1 <= 32767
| nocoercions: EXTERNAL_ADDR | | {EXTERNAL_ADDR,%[1.off] + "+"
+ tostring($1)} | |
... | nocoercions: LOCAL_ADDR | | {LOCAL_ADDR,%[1.off]+$1} | |
... | nocoercions: REGOFF_ADDR | | {REGOFF_ADDR,%[1.reg],%[1.off]+$1} | |
... | nocoercions: ADDREG | | {REGOFF_ADDR,%[1],$1} | |
... | ADDSCR | "lea $1(%[1]),%[1]"
adp | ADDSCR | "lea $1(%[1]),%[1]"
erase(%[1])
setcc(%[1]) | %[1] | |
adp | nocoercions: EXTERNAL_ADDR | | {EXTERNAL_ADDR,%[1.off] + "+"
+ tostring($1)} | |
... | ADDSCR | "add.l #$1,%[1]"
erase(%[1])
setcc(%[1]) | %[1] | |
/* The next patterns are for efficient translation of "*p++" in C */
ldl ldl adp sdl $1 == $2 && $2 == $4 | |
allocate(ADDREG={DISPL4,LB,$1})
@@ -1175,12 +1002,10 @@ inc | DATASCR | "add.w #1,%[1]"
#ifdef REGVARS
lil inc sil $1==$3 && inreg($1) == 2 | |
remove(MEM_ALL)
"add.w #1,(%(regvar($1)%))"
setcc({IADDREG,regvar($1)}) | | |
"add.w #1,(%(regvar($1)%))" | | |
lil dec sil $1==$3 && inreg($1) == 2 | |
remove(MEM_ALL)
"sub.w #1,(%(regvar($1)%))"
setcc({IADDREG,regvar($1)}) | | |
"sub.w #1,(%(regvar($1)%))" | | |
#endif
lil inc sil $1==$3 | | allocate(ADDREG={DISPL4,LB,$1})
remove(MEM_ALL)
@@ -1293,7 +1118,6 @@ zer $1 > 12 | | remove(ALL)
"1:"
"clr -(sp)"
"dbf %[a],1b" | | |
zrf | | | | zer $1 |
@@ -1343,88 +1167,6 @@ loc loc ciu $1==4 && $2==2 | DATAREG4 | | %[1.1] | |
loc loc cui $1==4 && $2==2 | DATAREG4 | | %[1.1] | |
... | ANY | | | |
/* Floating point stuff */
loc loc cif $1==2 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cif4" | | asp 4 lfr 4 |
loc loc cif $1==2 && $2==8 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cif8" | | asp 4 lfr 4 loi 8 |
loc loc cif $1==4 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cif4" | | asp 6 lfr 4 |
loc loc cif $1==4 && $2==8 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cif8" | | asp 6 lfr 4 loi 8 |
loc loc cuf $1==2 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cuf4" | | asp 4 lfr 4 |
loc loc cuf $1==2 && $2==8 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cuf8" | | asp 4 lfr 4 loi 8 |
loc loc cuf $1==4 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cuf4" | | asp 6 lfr 4 |
loc loc cuf $1==4 && $2==8 | |
remove(ALL)
"move.w #$1,-(sp)"
"jsr .cuf8" | | asp 6 lfr 4 loi 8 |
loc loc cfi $1==4 && $2==2 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfi" | | asp 8 lfr 2 |
loc loc cfi $1==4 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfi" | | asp 8 lfr 4 |
loc loc cfi $1==8 && $2==2 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfi" | | asp 12 lfr 2 |
loc loc cfi $1==8 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfi" | | asp 12 lfr 4 |
loc loc cfu $1==4 && $2==2 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfu" | | asp 8 lfr 2 |
loc loc cfu $1==4 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfu" | | asp 8 lfr 4 |
loc loc cfu $1==8 && $2==2 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfu" | | asp 12 lfr 2 |
loc loc cfu $1==8 && $2==4 | |
remove(ALL)
"move.w #$1,-(sp)"
"move.w #$2,-(sp)"
"jsr .cfu" | | asp 12 lfr 4 |
loc loc cff $1==8 && $2==4 | |
remove(ALL)
"jsr .cff4" | | asp 8 lfr 4 |
loc loc cff $1==4 && $2==8 | |
remove(ALL)
"jsr .cff8" | | asp 4 lfr 4 loi 8 |
/* G R O U P IX : L O G I C A L */
and defined($1) && $1 == 2 | ANY DATASCR |
@@ -1435,11 +1177,6 @@ and defined($1) && $1 == 2 | ANY DATASCR |
"and %[2],%[1]"
setcc(%[1])
erase(%[1]) | %[1] | | (2,2)+%[2]
lol loc and $2 == 255 && inreg($1) < 2 && $3 == 2 | | | {DISPL1,LB,$1+1} | |
lal loi and lal sti $1 == $4 && $2 == 1 && $3 == 2 && $5 == 1 && inreg($1) < 2
| DATAREG |
remove(MEM_ALL)
"and.b %[1],$1(a6)" | | |
loc lol and stl $2 == $4 && $3 == 2 && inreg($2) < 2 | |
remove(MEM_ALL)
"and.w #$1,$2(a6)" | | | (6,10)
@@ -1519,10 +1256,6 @@ ior defined($1) && $1 == 2 | ANY DATASCR |
"or %[2],%[1]"
erase(%[1])
setcc(%[1]) | %[1] | | (2,2)+%[2]
lal loi ior lal sti $1 == $4 && $2 == 1 && $3 == 2 && $5 == 1 && inreg($1) < 2
| DATAREG |
remove(MEM_ALL)
"or.b %[1],$1(a6)" | | |
loc lol ior stl $2 == $4 && $3 == 2 && inreg($2) < 2 | |
remove(MEM_ALL)
"or.w #$1,$2(a6)" | | | (6,10)
@@ -1599,10 +1332,6 @@ xor defined($1) && $1 == 2 | DATAREG DATASCR |
"eor %[2],%[1]"
erase(%[1])
setcc(%[1]) | %[1] | | (2,2)+%[2]
lal loi xor lal sti $1 == $4 && $2 == 1 && $3 == 2 && $5 == 1 && inreg($1) < 2
| DATAREG |
remove(MEM_ALL)
"eor.b %[1],$1(a6)" | | |
lol loc xor stl $1 == $4 && $3 == 2 | |
remove(MEM_ALL)
"eor.w #$2,$1(a6)" | | | (6,10)
@@ -1854,15 +1583,6 @@ cms !defined($1) | ANY | remove(ALL)
cmp | | remove(ALL)
"jsr .cmp"
| D1 | |
/* floating point */
cmf $1==4 | |
remove(ALL)
"jsr .cmf4" | | asp 8 lfr 2 |
cmf $1==8 | |
remove(ALL)
"jsr .cmf8" | | asp 16 lfr 2 |
cmi tlt and $1==2 && $3==2 | ANY DATAREG DATASCR |
"cmp %[1],%[2]"
@@ -2245,22 +1965,22 @@ ldc cmi tgt loww(1)==0&&highw(1)==0 | DATA_ALT4 | allocate(DATAREG={IMMEDIATE,1}
"clr %[a]"
"1:"
erase(%[a]) | %[a] | |
cmi zlt $1==4 | ANY4 REG4 STACK |
cmi zlt $1==4 | ANY4 DATAREG4 STACK |
"cmp.l %[1],%[2]"
"blt $2" | | |
cmi zle $1==4 | ANY4 REG4 STACK |
cmi zle $1==4 | ANY4 DATAREG4 STACK |
"cmp.l %[1],%[2]"
"ble $2" | | |
cmi zeq $1==4 | ANY4 REG4 STACK |
cmi zeq $1==4 | ANY4 DATAREG4 STACK |
"cmp.l %[1],%[2]"
"beq $2" | | |
cmi zne $1==4 | ANY4 REG4 STACK |
cmi zne $1==4 | ANY4 DATAREG4 STACK |
"cmp.l %[1],%[2]"
"bne $2" | | |
cmi zge $1==4 | ANY4 REG4 STACK |
cmi zge $1==4 | ANY4 DATAREG4 STACK |
"cmp.l %[1],%[2]"
"bge $2" | | |
cmi zgt $1==4 | ANY4 REG4 STACK |
cmi zgt $1==4 | ANY4 DATAREG4 STACK |
"cmp.l %[1],%[2]"
"bgt $2" | | |
ldc cmi zlt loww(1)==0&&highw(1)==0 && $2==4 | DATA_ALT4 STACK |
@@ -2506,21 +2226,6 @@ tgt | DATA_ALT | allocate(DATAREG={IMMEDIATE,1})
/* G R O U P XIII : B R A N C H */
bra | STACK | "bra $1" | | |
/* byte comparisons */
loc beq $1 >= 0 && $1 < 128 | nocoercions: DATA_ALT1 |
remove(ALL)
"cmp.b #$1,%[1]"
"beq $2" | | |
... | DATA_ALT STACK |
"cmp #$1,%[1]"
"beq $2" | | |
loc bne $1 >= 0 && $1 < 128 | nocoercions: DATA_ALT1 |
remove(ALL)
"cmp.b #$1,%[1]"
"bne $2" | | |
... | DATA_ALT STACK |
"cmp #$1,%[1]"
"bne $2" | | |
blt | IMMEDIATE DATA_ALT STACK | "cmp %[1],%[2]"
"blt $1" | | |
... | ANY DATAREG STACK | "cmp %[1],%[2]"
@@ -2758,12 +2463,8 @@ dus $1 == 2 | DATASCR | remove(ALL)
exg | STACK | "move.w #$1,d0"
"jsr .exg" | | |
fil | | "move.l #$1,.filn" | | |
gto | STACK | allocate(ADDREG)
"lea $1,%[a]"
"move.l 4(%[a]),sp"
"move.l 8(%[a]),a6"
"move.l (%[a]),%[a]"
"jmp (%[a])" | | |
gto | STACK | "pea $1"
"jmp .gto" | | |
lin | | "move.w #$1,.lino" | | |
lni | | "add.w #1,.lino" | | |
mon | STACK | "jsr .mon" | | |
@@ -2772,7 +2473,7 @@ lim | | | {ABS4,".trpim"} | |
lor $1 == 0 | | | LB | |
lor $1 == 1 | STACK | "move.l sp,-(sp)" | | |
lor $1 == 2 | | | {ABS4,".reghp"} | |
lpb | | | | adp 8 |
lpb | STACK | "jsr .lpb" | A0 | |
rck $1 == 2 | | remove(ALL)
"jsr .rck"
| | |
@@ -2788,6 +2489,27 @@ str $1 == 2 | | remove(ALL)
trp | STACK | "jsr .trp" | | |
/* For several floating point instructions we generate an illegal
* instruction trap.
*/
adf | | | | loc 18 trp |
sbf | | | | loc 18 trp |
mlf | | | | loc 18 trp |
dvf | | | | loc 18 trp |
ngf | | | | loc 18 trp |
fef | | | | loc 18 trp |
fif | | | | loc 18 trp |
zrf | | | | loc 18 trp |
cfi | | | | loc 18 trp |
cif | | | | loc 18 trp |
cuf | | | | loc 18 trp |
cff | | | | loc 18 trp |
cfu | | | | loc 18 trp |
cmf | | | | loc 18 trp |
/* C O E R C I O N S */
@@ -2858,7 +2580,6 @@ STACKS:
(ANY, , "move.w %[1],-(sp)" setcc(%[1]), (2,4) + %[1])
(EXTERNAL_ADDR, , "pea %[1.off]" nocc)
(LOCAL_ADDR, , "pea %[1.off](a6)" nocc)
(REGOFF_ADDR, , "pea %[1.off](%[1.reg])" nocc)
(INDEX_ADDR, , "pea %[1.di](%[1.reg],%[1.ireg].w)" nocc)
(IMMEDIATE4 %[cc] == 0, , "clr.l -(sp)")
(IMMEDIATE4, , "pea %[1.cc]" nocc)

View File

@@ -1,106 +0,0 @@
static char rcsid[] = "$Header$";
#define MAXBYTE 24
#include <stdio.h>
char hex[] = "0123456789ABCDEF";
FILE *fp, *fopen();
char **s;
int bytes, bytcnt, checksum;
long pc;
main (argc,argv)
int argc;
char *argv[];
{
if (argc != 2) fatal ("usage: %s filename\n",argv[0]);
if ((fp = fopen (*++argv,"r")) == NULL)
fatal ("can't open %s\n",*argv);
else {
s = argv;
convert ();
fclose (fp);
}
}
convert ()
{
int c;
do
{
pc = getword ();
pc = (pc << 16) | getword ();
bytes = getword ();
while (bytes != 0)
{
bytcnt = (bytes < MAXBYTE) ? bytes : MAXBYTE;
bytes -= bytcnt;
checksum = 0;
if (pc > 0xffffL) S2record (); else S1record ();
}
c = getc (fp);
ungetc (c, fp);
}
while (c != EOF);
printf ("S9030000FC\n");
}
S2record ()
{
printf ("S2");
bytcnt += 4;
outbyte (bytcnt);
outbyte (pc);
record ();
}
S1record ()
{
printf ("S1");
bytcnt += 3;
outbyte (bytcnt);
record ();
}
record ()
{
outbyte (pc << 8);
outbyte (pc << 16);
while (bytcnt != 0)
{
outbyte (getbyte ());
pc ++;
}
outbyte (~checksum);
putchar ('\n');
putchar (0);
putchar (0);
}
outbyte (b)
int b;
{
checksum = (checksum + b) & 0377;
putchar (hex[(b>>4) & 017]);
putchar (hex[b & 017]);
-- bytcnt;
}
getword ()
{
int c;
c = getbyte ();
return ((getbyte () << 8) | c );
}
getbyte ()
{
int c;
if ((c = getc (fp)) == EOF) fatal ("end of %s\n",*s);
return (c);
}
fatal (s,a)
{
printf (s,a);
exit (-1);
}

View File

@@ -2,6 +2,6 @@
.extern _times
.text
_times: move.w #0x2B,d0
move.l 4(sp),a0
move.w 4(sp),a0
trap #0
rts

View File

@@ -2,20 +2,15 @@ tail_mon.a
exit.s
_exit.s
access.s
acct.s
alarm.s
chdir.s
chmod.s
chown.s
chroot.s
close.s
creat.s
dup.s
dup2.s
execl.s
execve.s
fork.s
ftime.s
getegid.s
getgid.s
getpid.s
@@ -25,16 +20,12 @@ gtty.s
ioctl.s
kill.s
link.s
lock.s
lseek.s
mknod.s
mount.s
nice.s
open.s
pause.s
pipe.s
profil.s
ptrace.s
read.s
setgid.s
setuid.s
@@ -43,10 +34,8 @@ stime.s
sync.s
time.s
times.s
umask.s
umount.s
unlink.s
utime.s
write.s
brk.s
wait.s
@@ -54,4 +43,3 @@ fstat.s
signal.s
call.s
cleanup.s
errno.s

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,135 +0,0 @@
#ifndef NORCSID
static char rcsid[] = "$Header$";
#endif
#include <stdio.h>
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
* This product is part of the Amsterdam Compiler Kit.
*
* Permission to use, sell, duplicate or disclose this software must be
* obtained in writing. Requests for such permissions may be sent to
*
* Dr. Andrew S. Tanenbaum
* Wiskundig Seminarium
* Vrije Universiteit
* Postbox 7161
* 1007 MC Amsterdam
* The Netherlands
*
* Author: Hans van Staveren
*/
char buf[512];
char *index();
main() {
register n,sa;
register char *p;
sa=0;
for (;;) {
getline(buf);
if (n=stackadjust()) {
sa += n;
continue;
}
if (nullinstruction())
continue;
if (sa) {
if (buf[0]=='t' && buf[1]=='s' && buf[2]=='t' && buf[3]==' ') {
sa -= 2;
buf[0]='m';
buf[1]='o';
buf[2]='v';
strcat(buf,",(sp)+");
} else if (buf[0]=='m' && buf[1]=='o' && buf[2]=='v' &&
buf[3]==' ' && (p=index(&buf[5],','))!=0 &&
p[1]=='-' && p[2]=='(' && p[3]=='s') {
sa -= 2;
p[1]=' ';
}
}
switch(sa) {
case 0:break;
case 2:puts("tst (sp)+");sa=0;break;
case 4:puts("cmp (sp)+,(sp)+");sa=0;break;
case 6:puts("add $06,sp");sa=0;break;
}
puts(buf);
}
}
getline(buf) register char *buf; {
register c;
while ((c=getchar())==' ' || c=='\t')
;
if (c==EOF)
exit(0);
do *buf++=c;
while ((c=getchar())!='\n');
*buf=0;
}
stackadjust() {
if (buf[0]=='t' &&
buf[1]=='s' &&
buf[2]=='t' &&
buf[3]==' ' &&
buf[4]=='(' &&
buf[5]=='s' &&
buf[6]=='p' &&
buf[7]==')' &&
buf[8]=='+') return(2);
if (buf[0]=='c' &&
buf[1]=='m' &&
buf[2]=='p' &&
buf[3]==' ' &&
buf[4]=='(' &&
buf[5]=='s' &&
buf[6]=='p' &&
buf[7]==')' &&
buf[8]=='+' &&
buf[9]==',' &&
buf[10]=='(' &&
buf[11]=='s' &&
buf[12]=='p' &&
buf[13]==')' &&
buf[14]=='+') return(4);
if (buf[0]=='a' &&
buf[1]=='d' &&
buf[2]=='d' &&
buf[3]==' ' &&
buf[4]=='$' &&
buf[5]=='0' &&
buf[6]=='6' &&
buf[7]==',' &&
buf[8]=='s' &&
buf[9]=='p' &&
buf[10]==0) return(6);
return(0);
}
nullinstruction() {
register char *p;
if (buf[4]=='$' && buf[5]=='0' && buf[6]=='0' && buf[7]==',') {
p=index(buf,'-');
if (p!=0 && p[1]=='(')
return(0);
p=index(buf,'+');
if (p!=0 && p[-1]==')')
return(0);
if (buf[0]=='b' && buf[1]=='i' && (buf[2]=='s' || buf[2]=='c'))
return(1);
if (buf[0]=='a' && buf[1]=='d' && buf[2]=='d')
return(1);
if (buf[0]=='s' && buf[1]=='u' && buf[2]=='b')
return(1);
}
return(0);
}

View File

@@ -1,21 +0,0 @@
MAKEFILE=../../proto/libg/Makefile
MACHDEF="MACH=pdp -Rbe-p2" "SUF=s" "ASAR=ar"
PCDEF="PREF=pc" "SUB=" "SRC=lang/pc/libpc"
LIBDIR=../lib
install:
make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) cp
cmp:
make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) all
cmp head_pc $(LIBDIR)/head_pc
cmp tail_pc $(LIBDIR)/tail_pc
clean:
-rm -f *.old *.[ce$(SUF)] tail* head*
opr:
make pr | opr
pr:
@pr Makefile

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,252 +0,0 @@
/* @(#)comm0.h 1.8 */
/*
* All preprocessor based options/constants/functions
*/
/* ========== ON/OFF options (use #define in mach0.c) ========== */
/*
* The following options are available, to be set/removed in "mach0.c":
* THREE_PASS: three passes needed for branch optimization
* BYTES_REVERSED: lowest target address for word high-order byte
* WORDS_REVERSED: lowest target address for long high-order byte
* LISTING: include listing facilities
* RELOCATION: relocatable code generated
* DEBUG: for debugging purposes only
* TMPDIR: directory for temporary files
* ASLD: combined assembler/linker
* AOUTSEEK: seek on a.out instead of multiple opens
*/
/* ========== constants (use #undef, #define in mach0.c) ========== */
/* table sizes */
#define STRINGMAX 200 /* <= 256 */
#define BITMAX 2000 /* for short or long branches */
#define SECTMAX 64
#define NAMEMAX 80
#define MEMINCR 2048
/* Some character constants for parsing */
#define ASC_LPAR '['
#define ASC_RPAR ']'
#define ASC_SQUO '\''
#define ASC_DQUO '"'
#define ASC_COMM '!'
#define ISALPHA(c) (isalpha(c) || (c) == '_' || (c) == '.')
#define ISALNUM(c) (isalnum(c) || (c) == '_')
#define GENLAB "I" /* compiler generated labels */
#define ushort unsigned short
#define valu_t short /* type of expression values */
#define addr_t ushort /* type of dot */
#define word_t short /* type of keyword value */
/*
* NOTE: word_t is introduced to reduce the tokenfile size for machines
* with large expressions but smaller opcodes (68000)
*/
#define ALIGNWORD 1
#define ALIGNSECT 1
#define machstart(x) /* nothing */
#define machfinish(x) /* nothing */
#define SETBASE(sp) ((long)(sp)->s_base)
#define VALWIDTH 4
/* ========== Machine dependent option/constant settings ========== */
#include "mach0.c"
/* ========== default option setting ========== */
#ifndef NOLD
#define ASLD /* default ON */
#endif
#ifndef ASLD
#ifndef RELOCATION
separate linker only possible if relocation info produced
#endif RELOCATION
#endif ASLD
#ifndef DEBUG
#define DEBUG 1
#endif
/* ========== Machine independent type declarations ========== */
#ifdef _include
_include <stdio.h>
_include <ctype.h>
_include <signal.h>
#else
#include <stdio.h>
#include <ctype.h>
#include <signal.h>
#endif
#ifdef ASLD
#include "aar.h"
#endif
#include "out.h"
#if DEBUG == 0
#define assert(ex) /* nothing */
#endif
#if DEBUG == 1
#define assert(ex) {if (!(ex)) assert1();}
#endif
#if DEBUG == 2
#define assert(ex) {if (!(ex)) assert2(__FILE__, __LINE__);}
#endif
#define CTRL(x) ((x) & 037)
#define lowb(z) ((int)(z) & 0xFF)
#define loww(z) ((int)(z) & 0xFFFF)
#define fitb(x) ((((x) + 0x80) & ~0xFF) == 0)
#define fitw(x) ((((x) + 0x8000) & ~0xFFFF) == 0)
#define fit(x) if (!(x)) nofit()
#define PASS_1 0
#define PASS_2 1
#define PASS_3 2
#ifdef THREE_PASS
#define PASS_SYMB (pass != PASS_1)
#define PASS_RELO (pass != PASS_1)
#else
#define PASS_SYMB 1
#define PASS_RELO 1
#endif THREE_PASS
#ifdef ASLD
#define RELOMOVE(a,b) /* empty */
#else
#define RELOMOVE(a,b) {a = b; b = 0;}
#endif
/* symbol table management */
#define H_SIZE 256 /* hash size */
#define H_KEY (0*H_SIZE) /* key symbol headers */
#define H_LOCAL (1*H_SIZE) /* module symbol headers */
#ifdef ASLD
#define H_GLOBAL (2*H_SIZE) /* external symbol headers */
#define H_TOTAL (3*H_SIZE)
#else
#define H_TOTAL (2*H_SIZE)
#endif
/* numeric label table management */
#define FB_SIZE 10
#define FB_HEAD (0*FB_SIZE)
#define FB_TAIL (1*FB_SIZE)
#define FB_BACK (2*FB_SIZE)
#define FB_FORW (3*FB_SIZE)
/* miscellaneous */
#define KEYDEFINE 0
#define DOTGAIN DOTSCT->s_gain
/* ========== type declarations ========== */
struct expr_t {
short typ;
valu_t val;
};
typedef struct expr_t expr_t;
struct item_t {
struct item_t *
i_next; /* linked lists with same hash value */
short i_type;
/*
* the i_type field is used for two different purposes:
* - the token type for keywords, returned by yylex()
* - the symbol type for IDENT and FBSYM tokens
*/
valu_t i_valu; /* symbol value */
char *i_name; /* symbol name */
};
typedef struct item_t item_t;
struct sect_t {
short s_flag; /* some flag bits */
addr_t s_base; /* section base */
addr_t s_size; /* section size */
addr_t s_comm; /* length of commons */
addr_t s_zero; /* delayed emit1(0) */
addr_t s_lign; /* section alignment */
long s_foff; /* section file offset */
item_t *s_item; /* points to section name */
#ifdef THREE_PASS
addr_t s_gain; /* gain in PASS_2 */
#endif
};
typedef struct sect_t sect_t;
/* ========== flag field bits ========== */
/* s_flag bits: */
#define BASED 1 /* at fixed position */
/* sflag bits: */
#define SYM_EXT 001 /* external symbols */
#define SYM_LOC 002 /* local symbols */
#define SYM_LAB 004 /* local, compiler-generated labels */
#define SYM_SMB 010 /* .symb symbols */
#define SYM_LIN 020 /* .line and .file */
#define SYM_SCT 040 /* section names */
#define SYM_DEF 073 /* default value */
/*
* extra type bits out of S_ETC, internal use only
#ifndef DUK
* S_COM:
* - symbols declared by .comm
#endif DUK
* S_VAR:
* - type not known at end of PASS_1 (S_VAR|S_UND)
* - value not known at end of PASS_2 (S_VAR|S_ABS)
* S_DOT:
* - dot expression
*/
#ifndef DUK
#define S_COM 0x0100
#endif DUK
#define S_VAR 0x0200
#define S_DOT 0x0400
/* should be tested by preprocessor
* due to error in preprocessor it cannot
* test performed at runtime now
* #if (S_ETC|S_COM|S_VAR|S_DOT) != S_ETC
* incorrect type bits
* #endif
*/
/* parts of the a.out file */
#define PARTEMIT 0
#define PARTRELO 1
#define PARTNAME 2
#define PARTCHAR 3
#define PARTS 4
#ifdef AOUTSEEK
#define AOUTPART(p) if(aoutpart!=p){aoutpart=p;fseek(aoutfile,aoutseek[p],0);}
#define AOUTPUTC(c,p) {putc(c,aoutfile);aoutseek[p]++;if(ferror(aoutfile))werror();}
#else
#define AOUTPART(p) /* empty */
#define AOUTPUTC(c,p) {putc(c,aoutfile[p]);if(ferror(aoutfile[p]))werror();}
#endif

View File

@@ -1,122 +0,0 @@
/* @(#)comm1.h 1.5 */
/*
* variable declarations
*/
#ifdef extern
#define INIT(x) = x
#else
#define INIT(x) /* empty */
#endif
extern short pass INIT(PASS_1);
/* PASS 1, 2 or 3 */
extern short peekc; /* push back symbol (PASS_1) */
extern short unresolved; /* number of unresolved references */
extern short lineno; /* input line number */
extern short hllino; /* high-level language line number */
extern short nerrors; /* terminate at end of pass if set */
extern short sflag INIT(SYM_DEF);
/* -s option (symbol table info) */
extern char *progname; /* for error messages */
extern char *modulename; /* for error messages */
#ifdef ASLD
extern short archmode; /* scanning archives */
extern long archsize; /* size of individual archive entries */
#else
extern short uflag; /* if 1 make undefineds extern */
/* symbol table index for last S_UND */
#endif
#ifdef LISTING
extern short dflag; /* -d option (list mode) */
#endif
#ifdef ASLD
#ifdef RELOCATION
extern short rflag; /* -r option (relocation info) */
#endif RELOCATION
#else
#define rflag 1
extern valu_t relonami;
#endif ASLD
#ifdef THREE_PASS
extern short bflag; /* -b option (no optimizations) */
#endif
extern char *aoutpath INIT("a.out");
extern char temppath[50];
extern FILE *input;
extern FILE *tempfile;
#ifdef AOUTSEEK
extern FILE *aoutfile;
extern int aoutpart INIT(-1);
extern long aoutseek[PARTS];
#else
extern FILE *aoutfile[PARTS];
#endif
extern char stringbuf[STRINGMAX];
/* contains last string value */
extern sect_t sect[SECTMAX];
/*
* specials for the location counter
*/
extern sect_t *DOTSCT; /* &sect[DOTTYP-S_MIN] or NULL */
extern addr_t DOTVAL; /* DOTSCT->s_size + DOTSCT->s_base */
extern short DOTTYP; /* S_MIN..S_MAX or S_UND */
extern item_t *hashtab[H_TOTAL];
extern short hashindex; /* see item_search() */
extern item_t *fb_ptr[4*FB_SIZE];
#ifdef THREE_PASS
extern char bittab[BITMAX>>3];
/* one bit per small-large decision */
extern short nbits; /* number of decisions so far */
#endif
#ifdef LISTING
extern short listmode; /* -d option for current pass */
extern short listtemp; /* listmode if .list seen */
extern short listflag; /* copied from listtemp at '\n' */
extern short listcolm; /* column on output */
extern short listeoln INIT(1);
/* set by endline, tested by emit1 */
extern FILE *listfile; /* copy of source text */
extern char listpath[50];
#endif
#ifndef extern
extern item_t keytab[];
extern struct outhead outhead;
#endif
/* forward function declarations */
extern char *libname();
extern char *readident();
extern char *remember();
extern item_t *fb_shift();
extern item_t *fb_alloc();
extern item_t *item_alloc();
extern item_t *item_search();
extern valu_t load();
extern FILE *ffcreat();
extern FILE *fftemp();
/* some library functions used */
extern long atol();
extern char *mktemp();
extern char *sbrk();
extern char *getenv();
/* ========== Machine dependent C declarations ========== */
#include "mach1.c"

View File

@@ -1,424 +0,0 @@
/* @(#)comm2.y 1.7 */
/*
* delay inclusion of machine dependent stuff (see comm0.h)
*/
#define _include #include
%{
#include "comm0.h"
#include "comm1.h"
%}
/* ========== Machine independent Yacc definitions ========== */
%union {
word_t y_word;
valu_t y_valu;
expr_t y_expr;
item_t *y_item;
#ifdef ASLD
char *y_strp;
#endif
};
#ifdef ASLD
%token <y_strp> MODULE
#endif
%token STRING
%token <y_item> IDENT
%token <y_item> FBSYM
%token <y_valu> CODE1
%token <y_valu> CODE2
%token <y_valu> CODE4
%token NUMBER0 /* keep NUMBER* in this order */
%token NUMBER1
%token NUMBER2
%token NUMBER3
%token <y_valu> NUMBER
%token DOT
%token EXTERN
%token <y_word> DATA
%token <y_word> ASCII
%token SECTION
%token COMMON
%token BASE
%token SYMB
%token ALIGN
%token ASSERT
%token SPACE
%token <y_word> LINE
%token FILe
%token <y_word> LIST
%token OP_EQ
%token OP_NE
%token OP_LE
%token OP_GE
%token OP_LL
%token OP_RR
%token OP_OO
%token OP_AA
%left OP_OO
%left OP_AA
%left '|'
%left '^'
%left '&'
%left OP_EQ OP_NE
%left '<' '>' OP_LE OP_GE
%left OP_LL OP_RR
%left '+' '-'
%left '*' '/' '%'
%nonassoc '~'
%type <y_valu> absexp optabs1 optabs2
%type <y_expr> expr
%type <y_item> id_fb
/* ========== Machine dependent Yacc definitions ========== */
#include "mach2.c"
%%
/* ========== Machine independent rules ========== */
#ifdef LISTING
#define LISTLINE(n) listline(n)
#else
#define LISTLINE(n) /* empty */
#endif LISTING
#ifdef ASLD
#define RELODONE /* empty */
#else
#define RELODONE assert(relonami == 0)
#endif
program : /* empty */
#ifdef ASLD
| program MODULE /* not in PASS_1 */
{ newmodule($2);}
#endif
| program IDENT ':'
{ newident($2, DOTTYP); newlabel($2);}
| program NUMBER ':'
{ if ($2 < 0 || $2 > 9) {
serror("bad f/b label");
$2 = 0;
}
newlabel(fb_shift((int)$2));
}
| program CODE1
{ emit1((char)$2); LISTLINE(0);}
| program CODE2
{ emit2((short)$2); LISTLINE(0);}
| program CODE4
{ emit4((long)$2); LISTLINE(0);}
| program operation ';'
| program operation '\n'
{ lineno++; LISTLINE(1); RELODONE;}
| program '#' NUMBER STRING '\n'
{ lineno++; LISTLINE(1); RELODONE;}
| program error '\n'
{ serror("syntax error"); yyerrok;
lineno++; LISTLINE(1); RELODONE;
}
;
#undef LISTLINE
#undef RELODONE
operation
: /* empty */
| IDENT '=' expr
{
#ifdef LISTING
if (listflag & 1)
listcolm += printx(VALWIDTH, $3.val);
#endif
newequate($1, $3.typ);
store($1, $3.val);
}
#ifdef LISTING
| LIST
{ if ($1)
listtemp = listmode;
else if ((dflag & 01000) == 0)
listtemp = 0;
}
#endif
| SECTION IDENT
{ newsect($2);}
| COMMON IDENT ',' absexp
{ newcomm($2, $4);}
| BASE absexp
{ if (pass == PASS_1) newbase($2);}
| ASSERT expr
{ if ($2.val == 0 && pass == PASS_3)
warning("assertion failed");
}
| SYMB STRING ',' expr optabs2 optabs2
{ if ((sflag & SYM_SMB) && PASS_SYMB) {
#ifndef ASLD
if (
pass == PASS_3
&&
($4.typ & S_TYP) == S_UND
) {
serror("expression undefined");
relonami = -1;
}
#endif
newsymb(
stringbuf+1,
(short)(
($4.typ & (S_EXT|S_TYP))
|
((ushort)$5<<8)
),
(short)$6,
$4.val
);
}
}
| LINE optabs1
{ if ((sflag & SYM_LIN) && PASS_SYMB) {
if ($2)
hllino = (short)$2;
else
hllino++;
newsymb(
(char *)0,
(short)(DOTTYP | S_LIN),
(short)hllino,
(valu_t)DOTVAL
);
}
}
| FILe STRING
{ if ((sflag & SYM_LIN) && PASS_SYMB) {
hllino = 0;
newsymb(
stringbuf+1,
(short)(DOTTYP | S_FIL),
(short)0,
(valu_t)DOTVAL
);
}
}
| EXTERN externlist
| ALIGN optabs1
{ align($2);}
| SPACE absexp
{ if (DOTSCT == NULL)
nosect();
DOTVAL += $2;
DOTSCT->s_zero += $2;
}
| DATA datalist
| ASCII STRING
{ emitstr($1);}
;
externlist
: IDENT
{ $1->i_type |= S_EXT;}
| externlist ',' IDENT
{ $3->i_type |= S_EXT;}
;
datalist
: expr
{
#ifdef RELOCATION
if (rflag != 0 && PASS_RELO)
#ifdef DUK
#ifdef BYTES_REVERSED
#ifdef WORDS_REVERSED
newrelo($1.typ,
(int)$<y_word>0 | RELBR | RELWR
);
#else WORDS_REVERSED
newrelo($1.typ, (int)$<y_word>0|RELBR);
#endif WORDS_REVERSED
#else BYTES_REVERSED
#ifdef WORDS_REVERSED
newrelo($1.typ, (int)$<y_word>0|RELWR);
#else WORDS_REVERSED
newrelo($1.typ, (int)$<y_word>0);
#endif WORDS_REVERSED
#endif BYTES_REVERSED
#else DUK
newrelo($1.typ, (int)$<y_word>0);
#endif DUK
#endif
emitx($1.val, (int)$<y_word>0);
}
| datalist ',' expr
{
#ifdef RELOCATION
if (rflag != 0 && PASS_RELO)
#ifdef DUK
#ifdef BYTES_REVERSED
#ifdef WORDS_REVERSED
newrelo($3.typ,
(int)$<y_word>0 | RELBR | RELWR
);
#else WORDS_REVERSED
newrelo($3.typ, (int)$<y_word>0|RELBR);
#endif WORDS_REVERSED
#else BYTES_REVERSED
#ifdef WORDS_REVERSED
newrelo($3.typ, (int)$<y_word>0|RELWR);
#else WORDS_REVERSED
newrelo($3.typ, (int)$<y_word>0);
#endif WORDS_REVERSED
#endif BYTES_REVERSED
#else DUK
newrelo($3.typ, (int)$<y_word>0);
#endif DUK
#endif
emitx($3.val, (int)$<y_word>0);
}
;
expr : error
{ serror("expr syntax err");
$$.val = 0; $$.typ = S_UND;
}
| NUMBER
{ $$.val = $1; $$.typ = S_ABS;}
| id_fb
{ $$.val = load($1);
$$.typ = $1->i_type & ~S_EXT;
}
| STRING
{ if (stringbuf[0] != 1)
serror("too many chars");
$$.val = stringbuf[1];
$$.typ = S_ABS;
}
| ASC_LPAR expr ASC_RPAR
{ $$ = $2;}
| expr OP_OO expr
{ $$.val = ($1.val || $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr OP_AA expr
{ $$.val = ($1.val && $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr '|' expr
{ $$.val = ($1.val | $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr '^' expr
{ $$.val = ($1.val ^ $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr '&' expr
{ $$.val = ($1.val & $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr OP_EQ expr
{ $$.val = ($1.val == $3.val);
$$.typ = combine($1.typ, $3.typ, '>');
}
| expr OP_NE expr
{ $$.val = ($1.val != $3.val);
$$.typ = combine($1.typ, $3.typ, '>');
}
| expr '<' expr
{ $$.val = ($1.val < $3.val);
$$.typ = combine($1.typ, $3.typ, '>');
}
| expr '>' expr
{ $$.val = ($1.val > $3.val);
$$.typ = combine($1.typ, $3.typ, '>');
}
| expr OP_LE expr
{ $$.val = ($1.val <= $3.val);
$$.typ = combine($1.typ, $3.typ, '>');
}
| expr OP_GE expr
{ $$.val = ($1.val >= $3.val);
$$.typ = combine($1.typ, $3.typ, '>');
}
| expr OP_RR expr
{ $$.val = ($1.val >> $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr OP_LL expr
{ $$.val = ($1.val << $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr '+' expr
{ $$.val = ($1.val + $3.val);
$$.typ = combine($1.typ, $3.typ, '+');
}
| expr '-' expr
{ $$.val = ($1.val - $3.val);
$$.typ = combine($1.typ, $3.typ, '-');
}
| expr '*' expr
{ $$.val = ($1.val * $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr '/' expr
{ if ($3.val == 0) {
if (pass == PASS_3)
serror("divide by zero");
$$.val = 0;
} else
$$.val = ($1.val / $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| expr '%' expr
{ if ($3.val == 0) {
if (pass == PASS_3)
serror("divide by zero");
$$.val = 0;
} else
$$.val = ($1.val % $3.val);
$$.typ = combine($1.typ, $3.typ, 0);
}
| '+' expr %prec '*'
{ $$.val = $2.val;
$$.typ = combine(S_ABS, $2.typ, 0);
}
| '-' expr %prec '*'
{ $$.val = -$2.val;
$$.typ = combine(S_ABS, $2.typ, 0);
}
| '~' expr
{ $$.val = ~$2.val;
$$.typ = combine(S_ABS, $2.typ, 0);
}
| DOT
{ $$.val = DOTVAL;
$$.typ = DOTTYP|S_DOT;
}
;
id_fb : IDENT
| FBSYM
;
absexp : expr
{ if (($1.typ & ~S_EXT) != S_ABS)
serror("must be absolute");
$$ = $1.val;
}
;
optabs1
: /* empty */
{ $$ = 0;}
| absexp
{ $$ = $1;}
;
optabs2
: /* empty */
{ $$ = 0;}
| ',' absexp
{ $$ = $2;}
;
/* ========== Machine dependent rules ========== */
#include "mach4.c"
%%

View File

@@ -1,50 +0,0 @@
/* @(#)comm3.c 1.1 */
/*
* storage allocation for variables
*/
#include "comm0.h"
#define extern /* empty, to force storage allocation */
#include "comm1.h"
struct outhead outhead = {
O_MAGIC, O_STAMP, 0
#ifndef DUK
#ifdef BYTES_REVERSED
| HF_BREV
#endif
#ifdef WORDS_REVERSED
| HF_WREV
#endif
#endif DUK
};
#include "y.tab.h"
item_t keytab[] = {
0, EXTERN, 0, ".define",
0, EXTERN, 0, ".extern",
0, DOT, 0, ".",
0, DATA, 1, ".data1",
0, DATA, 2, ".data2",
0, DATA, 4, ".data4",
0, ASCII, 0, ".ascii",
0, ASCII, 1, ".asciz",
0, ALIGN, 0, ".align",
0, ASSERT, 0, ".assert",
0, SPACE, 0, ".space",
0, COMMON, 0, ".comm",
0, SECTION, 0, ".sect",
0, BASE, 0, ".base",
0, SYMB, 0, ".symb",
0, LINE, 0, ".line",
0, FILe, 0, ".file",
#ifdef LISTING
0, LIST, 0, ".nolist",
0, LIST, 1, ".list",
#endif
#include "mach3.c"
0, 0, 0, 0
};

View File

@@ -1,539 +0,0 @@
/* @(#)comm4.c 1.6 */
/*
* Micro processor assembler framework written by
* Johan Stevenson, Vrije Universiteit, Amsterdam
* modified by
* Johan Stevenson, Han Schaminee and Hans de Vries
* Philips S&I, T&M, PMDS, Eindhoven
*/
#include "comm0.h"
#include "comm1.h"
#include "y.tab.h"
extern YYSTYPE yylval;
/* ========== Machine independent C routines ========== */
stop() {
#if DEBUG < 2
unlink(temppath);
#ifdef LISTING
unlink(listpath);
#endif
#endif
exit(nerrors != 0);
}
main(argc, argv)
char **argv;
{
register char *p;
register i;
static char sigs[] = {
SIGHUP, SIGINT, SIGQUIT, SIGTERM, 0
};
/* this test should be performed by the
* preprocessor, but it cannot
*/
if ((S_ETC|S_COM|S_VAR|S_DOT) != S_ETC)
fatal("incorrect type bits");
progname = *argv++; argc--;
for (p = sigs; i = *p++; )
if (signal(i, SIG_IGN) != SIG_IGN)
signal(i, stop);
for (i = 0; i < argc; i++) {
p = argv[i];
if (*p++ != '-')
continue;
switch (*p++) {
case 'o':
if (*p != NULL) {
aoutpath = p;
break;
}
argv[i] = 0;
if (++i >= argc)
fatal("-o needs filename");
aoutpath = argv[i];
break;
case 'd':
#ifdef LISTING
dflag = 0;
while (*p >= '0' && *p <= '7')
dflag = (dflag << 3) + *p++ - '0';
if ((dflag & 0777) == 0)
dflag |= 0700;
dflag &= ~4;
#endif
break;
case 's':
sflag = 0;
while (*p >= '0' && *p <= '7')
sflag = (sflag << 3) + *p++ - '0';
break;
case 'r':
#ifdef RELOCATION
#ifdef ASLD
rflag = 1;
#endif ASLD
#endif RELOCATION
break;
case 'b':
#ifdef THREE_PASS
bflag = 1;
#endif
break;
#ifndef ASLD
case 'u':
case '\0':
uflag = 1;
break;
#endif
default:
continue;
}
argv[i] = 0;
}
#ifdef RELOCATION
if (rflag)
sflag |= SYM_SCT;
#endif RELOCATION
pass_1(argc, argv);
#ifdef THREE_PASS
pass_23(PASS_2);
#endif
pass_23(PASS_3);
stop();
}
/* ---------- pass 1: arguments, modules, archives ---------- */
pass_1(argc, argv)
char **argv;
{
register i;
register char *p;
register item_t *ip;
#ifdef ASLD
char armagic[SZMAGIC];
#else
register nfile = 0;
#endif
tempfile = fftemp(temppath, "asTXXXXXX");
#ifdef LISTING
listmode = dflag;
if (listmode & 0440)
listfile = fftemp(listpath, "asLXXXXXX");
#endif
for (ip = keytab; ip->i_type; ip++)
item_insert(ip, H_KEY+hash(ip->i_name));
machstart(PASS_1);
while (--argc >= 0) {
p = *argv++;
if (p == 0)
continue;
#ifdef ASLD
if (p[0] == '-' && p[1] == '\0') {
input = stdin;
parse("STDIN");
continue;
}
#else
if (nfile != 0)
fatal("second source file %s", p);
nfile++;
#endif
if ((input = fopen(p, "r")) == NULL)
fatal("can't open %s", p);
#ifdef ASLD
if (
fread(armagic, SZMAGIC, 1, input) == 1
&&
strncmp(armagic, ARMAGIC, SZMAGIC) == 0
) {
archive();
fclose(input);
continue;
}
rewind(input);
#endif
parse(p);
fclose(input);
}
commfinish();
machfinish(PASS_1);
#ifdef ASLD
if (unresolved) {
nerrors++;
fflush(stdout);
fprintf(stderr, "unresolved references:\n");
for (i = 0; i < H_SIZE; i++) {
ip = hashtab[H_GLOBAL+i];
while (ip != 0) {
if ((ip->i_type & (S_EXT|S_TYP)) == (S_EXT|S_UND))
fprintf(stderr, "\t%s\n", ip->i_name);
ip = ip->i_next;
}
}
}
#else
if (unresolved)
outhead.oh_flags |= HF_LINK;
if (nfile == 0)
fatal("no source file");
#endif
}
#ifdef ASLD
archive()
{
register long offset;
register i;
register long modsize;
char modhead[SZMHEAD];
archmode++;
offset = SZMAGIC;
for (;;) {
if (unresolved == 0)
break;
fseek(input, offset, 0);
if (fread(modhead, SZMHEAD, 1, input) != 1)
break;
if (
strncmp(&modhead[OFF_BEG], STR_BEG, LEN_BEG)
||
strncmp(&modhead[OFF_END], STR_END, LEN_END)
)
fatal("bad archive");
offset += SZMHEAD;
modsize = atol(&modhead[OFF_SIZ]);
archsize = modsize;
if (needed()) {
fseek(input, offset, 0);
archsize = modsize;
for (i = 0; i < LEN_NAM; i++)
if (modhead[OFF_NAM+i] == ' ')
break;
modhead[OFF_NAM+i] = '\0';
parse(remember(&modhead[OFF_NAM]));
}
offset += modsize;
}
archmode = 0;
}
needed()
{
register c, first;
register item_t *ip;
register need;
#ifdef LISTING
register save;
save = listflag; listflag = 0;
#endif
need = 0;
peekc = -1;
first = 1;
for (;;) {
c = nextchar();
if (c == '\n') {
first = 1;
continue;
}
if (c == ' ' || c == '\t' || c == ',')
continue;
if (ISALPHA(c) == 0)
break;
if ((ip = item_search(readident(c))) == 0) {
if (first)
break;
continue;
}
if (first) {
if (ip != &keytab[KEYDEFINE])
break;
first = 0;
}
if ((ip->i_type & S_TYP) == S_UND) {
need++;
break;
}
}
#ifdef LISTING
listflag = save;
#endif
return(need);
}
#endif ASLD
parse(s)
char *s;
{
register i;
register item_t *ip;
register char *p;
for (p = s; *p; )
if (*p++ == '/')
s = p;
#ifdef ASLD
yylval.y_strp = s;
putval(MODULE);
#endif
for (i = 0; i < FB_SIZE; i++)
fb_ptr[FB_BACK+i] = 0;
newmodule(s);
peekc = -1;
yyparse();
/*
* Check for undefined symbols
*/
#ifdef ASLD
for (i = 0; i < H_SIZE; i++) {
while (ip = hashtab[H_LOCAL+i]) {
/*
* cleanup local queue
*/
hashtab[H_LOCAL+i] = ip->i_next;
/*
* make undefined references extern
*/
if ((ip->i_type & (S_VAR|S_TYP)) == S_UND)
ip->i_type |= S_EXT;
/*
* relink externals in global queue
*/
if (ip->i_type & S_EXT)
item_insert(ip, H_GLOBAL+i);
}
}
#else
for (i = 0; i < H_SIZE; i++) {
for (ip = hashtab[H_LOCAL+i]; ip; ip = ip->i_next) {
if (ip->i_type & S_EXT)
continue;
if (ip->i_type != S_UND)
continue;
if (uflag == 0)
serror("undefined symbol %s", ip->i_name);
ip->i_type |= S_EXT;
}
}
#endif
/*
* Check for undefined numeric labels
*/
for (i = 0; i < FB_SIZE; i++) {
if ((ip = fb_ptr[FB_FORW+i]) == 0)
continue;
serror("undefined label %d", i);
fb_ptr[FB_FORW+i] = 0;
}
}
pass_23(n)
{
register i;
#ifdef ASLD
register addr_t base = 0;
#endif
register sect_t *sp;
if (nerrors)
stop();
pass = n;
#ifdef LISTING
listmode >>= 3;
if (listmode & 4)
ffreopen(listpath, listfile);
listeoln = 1;
#endif
#ifdef THREE_PASS
nbits = 0;
#endif
for (i = 0; i < FB_SIZE; i++)
fb_ptr[FB_FORW+i] = fb_ptr[FB_HEAD+i];
outhead.oh_nemit = 0;
for (sp = sect; sp < &sect[outhead.oh_nsect]; sp++) {
#ifdef ASLD
if (sp->s_flag & BASED) {
base = sp->s_base;
if (base % sp->s_lign)
fatal("base not aligned");
} else {
base += (sp->s_lign - 1);
base -= (base % sp->s_lign);
sp->s_base = base;
}
base += sp->s_size;
base += sp->s_comm;
#endif
outhead.oh_nemit += sp->s_size - sp->s_zero;
}
if (pass == PASS_3)
setupoutput();
for (sp = sect; sp < &sect[outhead.oh_nsect]; sp++) {
sp->s_size = 0;
sp->s_zero = 0;
#ifdef THREE_PASS
sp->s_gain = 0;
#endif
}
machstart(n);
#ifndef ASLD
newmodule(modulename);
#endif ASLD
ffreopen(temppath, tempfile);
yyparse();
commfinish();
machfinish(n);
}
newmodule(s)
char *s;
{
switchsect(S_UND);
modulename = s;
lineno = 1;
if ((sflag & (SYM_EXT|SYM_LOC|SYM_LAB)) && PASS_SYMB)
newsymb(s, S_MOD, (short)0, (valu_t)0);
#ifdef LISTING
listtemp = 0;
if (dflag & 01000)
listtemp = listmode;
listflag = listtemp;
#endif
}
setupoutput()
{
register sect_t *sp;
register long off;
struct outsect outsect;
#ifdef AOUTSEEK
#define AOUTseek(p,o) {aoutseek[p]=o;}
aoutfile = ffcreat(aoutpath);
#else
#define AOUTseek(p,o) {fseek(aoutfile[p],o,0);}
aoutfile[PARTEMIT]=ffcreat(aoutpath);
#ifdef RELOCATION
aoutfile[PARTRELO]=ffcreat(aoutpath);
#endif
aoutfile[PARTNAME]=ffcreat(aoutpath);
aoutfile[PARTCHAR]=ffcreat(aoutpath);
#endif
/*
* header generation
*/
AOUTseek(PARTEMIT, 0);
putofmt((char *)&outhead, SF_HEAD, PARTEMIT);
/*
* section table generation
*/
off = SZ_HEAD;
off += (long)outhead.oh_nsect * SZ_SECT;
for (sp = sect; sp < &sect[outhead.oh_nsect]; sp++) {
sp->s_foff = off;
outsect.os_base = SETBASE(sp);
outsect.os_size = sp->s_size + sp->s_comm;
outsect.os_foff = sp->s_foff;
outsect.os_flen = sp->s_size - sp->s_zero;
outsect.os_lign = sp->s_lign;
off += outsect.os_flen;
putofmt((char *)&outsect, SF_SECT, PARTEMIT);
}
#ifdef RELOCATION
AOUTseek(PARTRELO, off);
off += (long)outhead.oh_nrelo * SZ_RELO;
#endif
if (sflag == 0)
return;
AOUTseek(PARTNAME, off);
off += (long)outhead.oh_nname * SZ_NAME;
AOUTseek(PARTCHAR, off);
outhead.oh_nchar = off; /* see newsymb() */
#undef AOUTseek
}
commfinish()
{
register i;
register item_t *ip;
register sect_t *sp;
register valu_t addr;
switchsect(S_UND);
#ifdef ASLD
/*
* assign .comm labels and produce .comm symbol table entries
*/
for (i = 0; i<H_SIZE; i++)
for (ip = hashtab[H_GLOBAL+i]; ip; ip = ip->i_next) {
if ((ip->i_type & S_COM) == 0)
continue;
sp = &sect[(ip->i_type & S_TYP) - S_MIN];
if (pass == PASS_1) {
addr = sp->s_size + sp->s_comm;
sp->s_comm += ip->i_valu;
ip->i_valu = addr;
}
#ifdef THREE_PASS
if (pass == PASS_2)
ip->i_valu -= sp->s_gain;
#endif
if ((sflag & SYM_EXT) && PASS_SYMB)
newsymb(
ip->i_name,
ip->i_type & (S_EXT|S_TYP),
(short)0,
load(ip)
);
}
#endif
if (PASS_SYMB == 0)
return;
#ifndef ASLD
/*
* produce symbol table entries for undefined's
*/
for (i = 0; i<H_SIZE; i++)
for (ip = hashtab[H_LOCAL+i]; ip; ip = ip->i_next) {
if (ip->i_type != (S_EXT|S_UND))
continue;
if (pass != PASS_3)
/*
* save symbol table index
* for possible relocation
*/
ip->i_valu = outhead.oh_nname;
if (sflag & SYM_SCT)
newsymb(
ip->i_name,
S_EXT|S_UND,
(short)0,
(valu_t)0
);
}
#endif ASLD
/*
* produce symbol table entries for sections
*/
if (sflag & SYM_SCT)
for (sp = sect; sp < &sect[outhead.oh_nsect]; sp++) {
ip = sp->s_item;
newsymb(
ip->i_name,
(short)(ip->i_type | S_SCT),
(short)0,
load(ip)
);
}
}

View File

@@ -1,528 +0,0 @@
/* @(#)comm5.c 1.1 */
#include "comm0.h"
#include "comm1.h"
#include "y.tab.h"
extern YYSTYPE yylval;
yylex()
{
register c;
if (pass == PASS_1) {
/* scan the input file */
do
c = nextchar();
while (isspace(c) && c != '\n');
if (ISALPHA(c))
c = inident(c);
else if (isdigit(c))
c = innumber(c);
else switch (c) {
case '=':
case '<':
case '>':
case '|':
case '&':
c = induo(c); break;
case ASC_SQUO:
case ASC_DQUO:
c = instring(c); break;
case ASC_COMM:
do
c = nextchar();
while (c != '\n' && c != '\0');
break;
case CTRL('A'):
c = CODE1; readcode(1); break;
case CTRL('B'):
c = CODE2; readcode(2); break;
case CTRL('C'):
c = CODE4; readcode(4); break;
}
/* produce the intermediate token file */
if (c <= 0)
return(0);
if (c <= 127)
putc(c, tempfile);
else
putval(c);
} else {
/* read from intermediate token file */
c = getc(tempfile);
if (c == EOF)
return(0);
if (c > 127) {
c += 128;
c = getval(c);
}
}
return(c);
}
putval(c)
{
register valu_t v;
register n;
register char *p;
assert(c >= 256 && c < 256+128);
switch (c) {
case CODE1:
n = 1; goto putnum;
case CODE2:
n = 2; goto putnum;
case CODE4:
n = 4; goto putnum;
case NUMBER:
v = yylval.y_valu;
for (n = 0; n < sizeof(v); n++) {
if (v == 0)
break;
v >>= 8;
}
c = NUMBER0 + n;
putnum:
putc(c-128, tempfile);
v = yylval.y_valu;
while (--n >= 0)
putc(v >> (n*8), tempfile);
return;
case IDENT:
case FBSYM:
n = sizeof(item_t *);
p = (char *) &yylval.y_item; break;
#ifdef ASLD
case MODULE:
n = sizeof(char *);
p = (char *) &yylval.y_strp; break;
#endif
case STRING:
p = stringbuf;
n = (*p & 0377) + 1; break;
case OP_EQ:
case OP_NE:
case OP_LE:
case OP_GE:
case OP_LL:
case OP_RR:
case OP_OO:
case OP_AA:
n = 0; break;
default:
n = sizeof(word_t);
p = (char *) &yylval.y_word; break;
}
putc(c-128, tempfile);
while (--n >= 0)
putc(*p++, tempfile);
}
getval(c)
{
register n;
register valu_t v;
register char *p;
switch (c) {
case CODE1:
n = 1; goto getnum;
case CODE2:
n = 2; goto getnum;
case CODE4:
n = 4; goto getnum;
case NUMBER0:
n = 0; c = NUMBER; goto getnum;
case NUMBER1:
n = 1; c = NUMBER; goto getnum;
case NUMBER2:
n = 2; c = NUMBER; goto getnum;
case NUMBER3:
n = 3; c = NUMBER; goto getnum;
case NUMBER:
n = 4;
getnum:
v = 0;
while (--n >= 0) {
v <<= 8;
v |= getc(tempfile);
}
yylval.y_valu = v;
return(c);
case IDENT:
case FBSYM:
n = sizeof(item_t *);
p = (char *) &yylval.y_item; break;
#ifdef ASLD
case MODULE:
n = sizeof(char *);
p = (char *) &yylval.y_strp; break;
#endif
case STRING:
p = stringbuf;
#ifdef DUK
*p++ = n = getc(tempfile);
p[n] = '\0';
break;
#else DUK
*p++ = n = getc(tempfile); break;
#endif DUK
case OP_EQ:
case OP_NE:
case OP_LE:
case OP_GE:
case OP_LL:
case OP_RR:
case OP_OO:
case OP_AA:
n = 0; break;
default:
n = sizeof(word_t);
p = (char *) &yylval.y_word; break;
}
while (--n >= 0)
*p++ = getc(tempfile);
return(c);
}
/* ---------- lexical scan in pass 1 ---------- */
nextchar()
{
register c;
if (peekc != -1) {
c = peekc;
peekc = -1;
return(c);
}
#ifdef ASLD
if (archmode && --archsize < 0)
return(0);
#endif
if ((c = getc(input)) == EOF)
return(0);
if (isascii(c) == 0)
fatal("non-ascii character");
#ifdef LISTING
if (listflag & 0440)
putc(c, listfile);
#endif
return(c);
}
readcode(n)
{
register c;
yylval.y_valu = 0;
do {
if (
#ifdef ASLD
(archmode && --archsize < 0)
||
#endif
(c = getc(input)) == EOF
)
fatal("unexpected EOF in compact input");
yylval.y_valu <<= 8;
yylval.y_valu |= c;
} while (--n);
}
induo(c)
register c;
{
static short duo[] = {
('='<<8) | '=', OP_EQ,
('<'<<8) | '>', OP_NE,
('<'<<8) | '=', OP_LE,
('>'<<8) | '=', OP_GE,
('<'<<8) | '<', OP_LL,
('>'<<8) | '>', OP_RR,
('|'<<8) | '|', OP_OO,
('&'<<8) | '&', OP_AA,
};
register short *p;
c = (c<<8) | nextchar();
for (p = duo; *p; p++)
if (*p++ == c)
return(*p++);
peekc = c & 0377;
return(c>>8);
}
inident(c)
char c;
{
register char *p;
register item_t *ip;
p = readident(c);
ip = item_search(p);
if (ip == 0) {
ip = item_alloc(S_UND);
ip->i_name = remember(p);
/* printf("ident %s %o\n", ip->i_name, ip); */
unresolved++;
item_insert(ip, H_LOCAL + (hashindex%H_SIZE));
} else if (hashindex < H_SIZE) {
assert(H_KEY == 0);
yylval.y_word = (word_t) ip->i_valu;
return(ip->i_type);
}
yylval.y_item = ip;
return(IDENT);
}
char *
readident(c)
register c;
{
static char name[NAMEMAX+1];
register n = NAMEMAX;
register char *p = name;
do {
if (--n >= 0)
*p++ = c;
c = nextchar();
} while (ISALNUM(c));
*p++ = '\0';
peekc = c;
return(name);
}
innumber(c)
register c;
{
register char *p;
register radix;
static char num[20+1];
p = num;
radix = 20;
do {
if (--radix < 0)
fatal("number too long");
if (isupper(c))
c += ('a' - 'A');
*p++ = c;
c = nextchar();
} while (ISALNUM(c));
peekc = c;
*p = '\0';
c = *--p;
p = num;
radix = 10;
if (*p == '0') {
radix = 8;
p++;
if (*p == 'x') {
radix = 16;
p++;
} else if (*p == 'b') {
radix = 2;
p++;
}
}
if (radix != 16 && (c == 'f' || c == 'b'))
return(infbsym(num));
yylval.y_valu = 0;
while (c = *p++) {
if (c > '9')
c -= ('a' - '9' - 1);
c -= '0';
if (c >= radix)
serror("digit exceeds radix");
yylval.y_valu = yylval.y_valu * radix + c;
}
return(NUMBER);
}
instring(termc)
{
register char *p;
register c;
p = stringbuf+1;
for (;;) {
c = nextchar();
if (c == '\n' || c == '\0') {
peekc = c;
serror("non-terminated string");
break;
}
if (c == termc)
break;
if (c == '\\')
c = inescape();
#ifdef DUK
if (p >= &stringbuf[STRINGMAX - 1])
#else DUK
if (p >= &stringbuf[STRINGMAX])
#endif DUK
fatal("string buffer overflow");
*p++ = c;
}
stringbuf[0] = p - stringbuf - 1;
#ifdef DUK
*p = '\0';
#endif DUK
return(STRING);
}
inescape()
{
register c, j, r;
c = nextchar();
if (c >= '0' && c <= '7') {
r = c - '0';
for (j = 0; j < 2; j++) {
c = nextchar();
if (c < '0' || c > '7') {
peekc = c;
return(r);
}
r <<= 3;
r += (c - '0');
}
return(r);
}
switch (c) {
case 'b': return('\b');
case 'f': return('\f');
case 'n': return('\n');
case 'r': return('\r');
case 't': return('\t');
case '\'': return('\'');
case '"': return('"');
}
return(c);
}
infbsym(p)
register char *p;
{
register lab;
register item_t *ip;
lab = *p++ - '0';
if ((unsigned)lab < 10) {
if (*p++ == 'f') {
ip = fb_ptr[FB_FORW+lab];
if (ip == 0) {
ip = fb_alloc(lab);
fb_ptr[FB_FORW+lab] = ip;
}
goto ok;
}
ip = fb_ptr[FB_BACK+lab];
if (ip != 0 && *p == 0)
goto ok;
}
serror("bad numeric label");
ip = fb_alloc(0);
ok:
yylval.y_item = ip;
return(FBSYM);
}
hash(p)
register char *p;
{
register unsigned h;
register c;
h = 0;
while (c = *p++) {
h <<= 2;
h += c;
}
return(h % H_SIZE);
}
item_t *
item_search(p)
register char *p;
{
register h;
register item_t *ip;
for (h = hash(p); h < H_TOTAL; h += H_SIZE) {
ip = hashtab[h];
while (ip != 0) {
if (strcmp(p, ip->i_name) == 0)
goto done;
ip = ip->i_next;
}
}
done:
hashindex = h;
return(ip);
}
item_insert(ip, h)
item_t *ip;
{
ip->i_next = hashtab[h];
hashtab[h] = ip;
}
item_t *
item_alloc(typ)
{
register item_t *ip;
static nleft = 0;
static item_t *next;
if (--nleft < 0) {
next = (item_t *) sbrk(MEMINCR);
if ((int) next == -1)
fatal("out of memory");
nleft += (MEMINCR / sizeof(item_t));
}
ip = next++;
ip->i_next = 0;
ip->i_type = typ;
ip->i_name = 0;
ip->i_valu = 0;
return(ip);
}
item_t *
fb_alloc(lab)
register lab;
{
register item_t *ip, *p;
ip = item_alloc(S_UND);
p = fb_ptr[FB_TAIL+lab];
if (p == 0)
fb_ptr[FB_HEAD+lab] = ip;
else
p->i_next = ip;
fb_ptr[FB_TAIL+lab] = ip;
return(ip);
}
item_t *
fb_shift(lab)
register lab;
{
register item_t *ip;
ip = fb_ptr[FB_FORW+lab];
if (ip == 0)
if (pass == PASS_1)
ip = fb_alloc(lab);
else
ip = fb_ptr[FB_HEAD+lab];
fb_ptr[FB_BACK+lab] = ip;
fb_ptr[FB_FORW+lab] = ip->i_next;
return(ip);
}

View File

@@ -1,362 +0,0 @@
/* @(#)comm6.c 1.7 */
/*
* implement pseudo instructions
*/
#include "comm0.h"
#include "comm1.h"
#include "y.tab.h"
newequate(ip, typ)
register item_t *ip;
register short typ;
{
typ &= ~S_EXT;
if (typ & S_COM)
typ = S_UND;
else if ((typ & S_VAR) && (typ & S_TYP) != S_ABS)
typ = S_UND;
#ifdef THREE_PASS
else if (pass == PASS_1 && typ == S_UND)
typ = S_VAR;
else if (pass == PASS_2 && (ip->i_type & S_TYP) == S_UND)
ip->i_type |= typ;
#endif THREE_PASS
if (typ == S_UND)
serror("illegal equate");
if (pass == PASS_3)
assert((ip->i_type & S_TYP) == (typ & S_TYP));
newident(ip, typ);
}
newident(ip, typ)
register item_t *ip;
{
register flag;
#ifdef GENLAB
static char genlab[] = GENLAB;
#endif GENLAB
if (pass == PASS_1) {
/* printf("declare %s: %o\n", ip->i_name, typ); */
if (ip->i_type & ~S_EXT)
serror("multiple declared");
else
--unresolved;
ip->i_type |= typ;
}
if (PASS_SYMB == 0)
return;
#ifdef THREE_PASS
if (ip->i_type & S_EXT)
flag = SYM_EXT;
else
flag = SYM_LOC;
#else
flag = SYM_EXT|SYM_LOC; /* S_EXT not stable in PASS_1 */
#endif THREE_PASS
#ifdef GENLAB
if (strncmp(ip->i_name, genlab, sizeof(genlab)-1) == 0)
flag = SYM_LAB;
#endif GENLAB
if (sflag & flag)
newsymb(
ip->i_name,
ip->i_type & (S_EXT|S_TYP),
(short)0,
load(ip)
);
}
newlabel(ip)
register item_t *ip;
{
#ifdef THREE_PASS
register addr_t oldval = ip->i_valu;
#endif
if (DOTSCT == NULL)
nosect();
ip->i_type &= ~S_TYP;
ip->i_type |= DOTTYP;
if (store(ip, (valu_t) DOTVAL) == 0)
return;
#ifdef THREE_PASS
assert(pass != PASS_2 || oldval - ip->i_valu == DOTGAIN);
#endif
}
newsect(ip)
register item_t *ip;
{
register ushort typ;
register sect_t *sp = NULL;
typ = ip->i_type & S_TYP;
if (typ == S_UND) {
/*
* new section
*/
assert(pass == PASS_1);
--unresolved;
typ = outhead.oh_nsect + S_MIN;
outhead.oh_nsect++;
if (outhead.oh_nsect > SECTMAX || typ > S_MAX)
fatal("too many sections");
sp = &sect[typ - S_MIN];
sp->s_item = ip;
sp->s_lign = ALIGNSECT;
#ifdef DUK
ip->i_type = typ;
#else DUK
ip->i_type = typ | S_EXT;
#endif DUK
ip->i_valu = 0;
} else if (typ >= S_MIN) {
sp = &sect[typ - S_MIN];
if (sp->s_item != ip)
sp = NULL;
}
if (sp == NULL)
serror("multiple declared");
else
switchsect(typ);
}
newbase(base)
valu_t base;
{
#ifdef ASLD
register sect_t *sp;
if ((sp = DOTSCT) == NULL)
nosect();
if (sp->s_flag & BASED)
serror("already based");
sp->s_base = base;
sp->s_flag |= BASED;
DOTVAL += base;
#else
warning(".base ignored");
#endif
}
/*
* NOTE: A rather different solution is used for ASLD and NOLD:
* ASLD:
* - maximum length of .comm is recorded in i_valu during PASS_1
* - address of .comm is recorded in i_valu in later passes:
* assigned at end of PASS_1, corrected for s_gain at end of PASS_2
* - symbol table entries are produced in commfinish()
* NOLD:
* - i_valu cannot be used since it is needed for relocation info
* - only one .comm with a particular symbol is allowed per module
* - symbol table entries are produced in newcomm()
*/
newcomm(ip, val)
register item_t *ip;
valu_t val;
{
if (pass == PASS_1) {
if (DOTSCT == NULL)
nosect();
if (val == 0)
serror("bad size");
/* printf("declare %s: %o\n", ip->i_name, DOTTYP); */
if ((ip->i_type & ~S_EXT) == S_UND) {
--unresolved;
ip->i_type = S_COM|S_EXT|DOTTYP;
#ifdef ASLD
ip->i_valu = val;
} else if (ip->i_type == (S_COM|S_EXT|DOTTYP)) {
if (ip->i_valu < val)
ip->i_valu = val;
#endif
} else
serror("multiple declared");
}
#ifndef ASLD
if (PASS_SYMB == 0)
return;
if (pass != PASS_3)
/*
* save symbol table index
* for possible relocation
*/
ip->i_valu = outhead.oh_nname;
#ifdef DUK
newsymb(ip->i_name, S_COM|S_EXT|DOTTYP, (short)0, val);
#else DUK
newsymb(ip->i_name, S_EXT|DOTTYP, (short)0, val);
#endif DUK
#endif
}
switchsect(newtyp)
short newtyp;
{
register sect_t *sp;
if (sp = DOTSCT)
sp->s_size = DOTVAL - sp->s_base;
if (newtyp == S_UND) {
DOTSCT = NULL;
DOTTYP = newtyp;
return;
}
assert(newtyp >= S_MIN);
sp = &sect[newtyp - S_MIN];
if (pass == PASS_3) {
#ifdef AOUTSEEK
aoutpart = -1;
aoutseek[PARTEMIT] = sp->s_foff + sp->s_size - sp->s_zero;
#else
fseek(aoutfile[PARTEMIT], sp->s_foff + sp->s_size - sp->s_zero, 0);
#endif
}
DOTVAL = sp->s_size + sp->s_base;
DOTSCT = sp;
DOTTYP = newtyp;
}
align(bytes)
valu_t bytes;
{
register valu_t gap;
register sect_t *sp;
if ((sp = DOTSCT) == NULL)
nosect();
if (bytes == 0)
bytes = ALIGNWORD;
if (sp->s_lign % bytes)
if (bytes % sp->s_lign)
serror("illegal alignment");
else
sp->s_lign = bytes;
if (pass == PASS_1)
/*
* be pessimistic: biggest gap possible
*/
gap = bytes - 1;
else {
/*
* calculate gap correctly;
* will be the same in PASS_2 and PASS_3
*/
if ((gap = DOTVAL % bytes) != 0)
gap = bytes - gap;
#ifdef THREE_PASS
if (pass == PASS_2)
/*
* keep track of gain with respect to PASS_1
*/
DOTGAIN += (bytes - 1) - gap;
#endif
}
DOTVAL += gap;
sp->s_zero += gap;
}
#ifdef RELOCATION
newrelo(s, n)
short s;
{
struct outrelo outrelo;
#ifdef DUK
int iscomm;
#endif DUK
if (rflag == 0)
return;
if (PASS_RELO == 0)
return;
s &= ~S_DOT;
assert((s & ~(S_COM|S_VAR|S_TYP)) == 0);
#ifndef THREE_PASS
if (s == S_UND)
serror("bad relocation");
#endif
/*
* always relocation info if S_VAR to solve problems with:
* move b,d0
* b=a
* a: .data2 0
*/
#ifdef DUK
iscomm = s & S_COM;
#endif DUK
s &= ~S_COM;
if ((n & RELPC) == 0 && s == S_ABS)
return;
if ((n & RELPC) != 0 && s == DOTTYP)
return;
if (pass != PASS_3) {
outhead.oh_nrelo++;
return;
}
s &= ~S_VAR;
outrelo.or_type = (char)n;
outrelo.or_sect = (char)DOTTYP;
#ifndef ASLD
#ifdef DUK
if (s == S_UND || iscomm) {
#else DUK
if (s == S_UND) {
#endif DUK
assert(relonami != 0);
outrelo.or_nami = relonami-1;
relonami = 0;
} else
#endif
if (s < S_MIN) {
assert(s == S_ABS);
/*
* use first non existing entry (argh)
*/
outrelo.or_nami = outhead.oh_nname;
} else {
/*
* section symbols are at the end
*/
outrelo.or_nami = outhead.oh_nname
- outhead.oh_nsect
+ (s - S_MIN)
;
}
outrelo.or_addr = (long)DOTVAL;
putofmt((char *)&outrelo, SF_RELO, PARTRELO);
}
#endif
newsymb(name, type, desc, valu)
register char *name;
short type;
short desc;
valu_t valu;
{
struct outname outname;
if (name && *name == 0)
name = 0;
assert(PASS_SYMB);
if (pass != PASS_3) {
if (name)
outhead.oh_nchar += strlen(name)+1;
outhead.oh_nname++;
return;
}
if (name) {
AOUTPART(PARTCHAR);
outname.on_foff = outhead.oh_nchar;
do {
AOUTPUTC(*name, PARTCHAR);
outhead.oh_nchar++;
} while (*name++);
} else
outname.on_foff = 0;
outname.on_type = type;
outname.on_desc = desc;
outname.on_valu = valu & ~((0xFFFFFFFF)<<(8*sizeof(valu_t)));
putofmt((char *)&outname, SF_NAME, PARTNAME);
}

View File

@@ -1,430 +0,0 @@
/* @(#)comm7.c 1.10 */
/*
* miscellaneous
*/
#include "comm0.h"
#include "comm1.h"
#include "y.tab.h"
valu_t
load(ip)
register item_t *ip;
{
#ifdef ASLD
register short typ;
typ = ip->i_type & S_TYP;
if ((typ -= S_MIN) < 0) /* S_UND or S_ABS */
return(ip->i_valu);
return(ip->i_valu + sect[typ].s_base);
#else
#ifdef DUK
if ((ip->i_type & S_TYP) == S_UND || (ip->i_type & S_COM)) {
#else DUK
if ((ip->i_type & S_TYP) == S_UND) {
#endif DUK
if (pass == PASS_3) {
if (relonami != 0)
serror("relocation error");
relonami = ip->i_valu+1;
}
return(0);
}
return(ip->i_valu);
#endif
}
store(ip, val)
register item_t *ip;
valu_t val;
{
#ifdef ASLD
register short typ;
typ = ip->i_type & S_TYP;
if ((typ -= S_MIN) >= 0)
val -= sect[typ].s_base;
#else
if ((ip->i_type & S_TYP) == S_UND)
return(0);
#endif
assert(pass != PASS_3 || (ip->i_type & S_VAR) || ip->i_valu == val);
ip->i_valu = val;
return(1);
}
char *
remember(s)
register char *s;
{
register char *p;
register n;
static nleft = 0;
static char *next;
p = s;
n = 0;
do
n++;
while (*p++);
if ((nleft -= n) < 0) {
next = sbrk(MEMINCR);
if ((int) next == -1)
fatal("out of memory");
nleft = (MEMINCR / sizeof(char)) - n;
assert(nleft >= 0);
}
p = next;
while (*p++ = *s++)
;
s = next;
next = p;
return(s);
}
combine(typ1, typ2, op)
register typ1, typ2;
{
switch (op) {
case '+':
if (typ1 == S_ABS)
return(typ2);
if (typ2 == S_ABS)
return(typ1);
break;
case '-':
if (typ2 == S_ABS)
return(typ1);
if ((typ1 & ~S_DOT) == (typ2 & ~S_DOT) && typ1 != S_UND)
return(S_ABS|S_VAR);
break;
case '>':
if (typ1 == S_ABS && typ2 == S_ABS)
return(S_ABS);
if (
((typ1 & ~S_DOT) == (typ2 & ~S_DOT) && typ1 != S_UND)
|| (typ1 == S_ABS)
|| (typ2 == S_ABS)
)
return(S_ABS|S_VAR);
break;
default:
if (typ1 == S_ABS && typ2 == S_ABS)
return(S_ABS);
break;
}
if (pass != PASS_1)
serror("illegal operator");
return(S_UND);
}
#ifdef LISTING
printx(ndig, val)
valu_t val;
{
static char buf[8];
register char *p;
register c, n;
p = buf; n = ndig;
do {
*p++ = (int) val & 017;
val >>= 4;
} while (--n);
do {
c = "0123456789ABCDEF"[*--p];
putchar(c);
} while (p > buf);
return(ndig);
}
#endif
#ifdef LISTING
listline(textline)
{
register c;
if ((listflag & 4) && (c = getc(listfile)) != '\n' && textline) {
if (listcolm >= 24)
printf(" \\\n\t\t\t");
else
do {
putchar('\t');
listcolm += 8;
} while (listcolm < 24);
do {
assert(c != EOF);
putchar(c);
} while ((c = getc(listfile)) != '\n');
}
if (listflag & 7)
putchar('\n');
listeoln = 1;
listcolm = 0;
listflag = listtemp;
}
#endif LISTING
/* ---------- code optimization ---------- */
#ifdef THREE_PASS
small(fitsmall, gain)
{
register bit;
register char *p;
if (DOTSCT == NULL)
nosect();
if (bflag)
return(0);
if ((bit = nbits++) >= BITMAX) {
if (bit != BITMAX)
nbits--; /* prevent wraparound */
else if (pass == PASS_1)
warning("bit table overflow");
return(0);
}
p = &bittab[bit>>3];
bit = 1 << (bit&7);
switch (pass) {
case PASS_1:
return(0);
case PASS_2:
if (fitsmall) {
DOTGAIN += gain;
*p |= bit;
}
return(fitsmall);
case PASS_3:
assert(fitsmall || (*p & bit) == 0);
return(*p & bit);
}
}
#endif
/* ---------- output ---------- */
emit1(arg)
char arg;
{
#ifdef LISTING
if (listeoln) {
if (listflag & 1) {
listcolm += printx(VALWIDTH, DOTVAL);
listcolm++;
putchar(' ');
}
listeoln = 0;
}
if (listflag & 2)
listcolm += printx(2, (valu_t) arg);
#endif
switch (pass) {
case PASS_1:
if (DOTSCT == NULL)
nosect();
/* no break */
case PASS_2:
DOTSCT->s_zero = 0;
break;
case PASS_3:
AOUTPART(PARTEMIT);
while (DOTSCT->s_zero) {
AOUTPUTC(0, PARTEMIT);
DOTSCT->s_zero--;
}
AOUTPUTC(arg, PARTEMIT);
break;
}
DOTVAL++;
}
emit2(arg)
short arg;
{
#ifdef BYTES_REVERSED
emit1((char)(arg>>8)); emit1((char)arg);
#else
emit1((char)arg); emit1((char)(arg>>8));
#endif
}
emit4(arg)
long arg;
{
#ifdef WORDS_REVERSED
emit2((short)(arg>>16)); emit2((short)(arg));
#else
emit2((short)(arg)); emit2((short)(arg>>16));
#endif
}
emitx(val, n)
valu_t val;
register n;
{
switch (n) {
case 1:
emit1((char)val); break;
case 2:
emit2((short)val); break;
case 4:
emit4((long)val); break;
default:
assert(0);
}
}
emitstr(zero)
{
register i;
register char *p;
p = stringbuf;
i = *p++ & 0377;
while (--i >= 0)
emit1(*p++);
if (zero)
emit1(0);
}
/* ---------- Error checked file I/O ---------- */
ffreopen(s, f)
char *s;
FILE *f;
{
if (freopen(s, "r", f) == NULL)
fatal("can't reopen %s", s);
}
FILE *
ffcreat(s)
char *s;
{
FILE *f;
if ((f = fopen(s, "w")) == NULL)
fatal("can't create %s", s);
return(f);
}
FILE *
fftemp(path, tail)
char *path;
{
register char *dir;
if ((dir = getenv("TMPDIR")) == NULL)
#ifdef TMPDIR
dir = TMPDIR;
#else
dir = "/tmp";
#endif
sprintf(path, "%s/%s", dir, tail);
return(ffcreat(mktemp(path)));
}
putofmt(p, s, part)
register char *p;
register char *s;
{
register i;
register long l;
AOUTPART(part);
while (i = *s++) {
switch (i -= '0') {
/* case 0: p++; break; */
case 1:
l = (long) *((char *)p); p += sizeof(char );
break;
case 2:
l = (long) *((short *)p); p += sizeof(short);
break;
case 4:
l = (long) *((long *)p); p += sizeof(long );
break;
default:
assert(0);
}
while (--i >= 0) {
AOUTPUTC((int)l, part);
l >>= 8;
}
}
}
/* ---------- Error handling ---------- */
yyerror(){} /* we will do our own error printing */
nosect()
{
fatal("no sections");
}
werror()
{
fatal("write error");
}
/* VARARGS1 */
fatal(s, a1, a2, a3, a4)
char *s;
{
nerrors++;
diag(" (fatal)\n", s, a1, a2, a3, a4);
stop();
}
#if DEBUG == 2
assert2(file, line)
char *file;
{
fatal("assertion failed (%s, %d)", file, line);
}
#endif
#if DEBUG == 1
assert1()
{
diag(" (fatal)\n", "assertion failed");
abort();
}
#endif
/* VARARGS1 */
serror(s, a1, a2, a3, a4)
char *s;
{
nerrors++;
diag("\n", s, a1, a2, a3, a4);
}
/* VARARGS1 */
warning(s, a1, a2, a3, a4)
char *s;
{
diag(" (warning)\n", s, a1, a2, a3, a4);
}
/* VARARGS1 */
diag(tail, s, a1, a2, a3, a4)
char *tail, *s;
{
fflush(stdout);
if (modulename)
fprintf(stderr, "\"%s\", line %d: ", modulename, lineno);
else
fprintf(stderr, "%s: ", progname);
fprintf(stderr, s, a1, a2, a3, a4);
fprintf(stderr, tail);
}
nofit()
{
if (pass == PASS_3)
warning("too big");
}

View File

@@ -1,9 +0,0 @@
/* @(#)comm8.c 1.1 */
#include "comm0.h"
#include "comm1.h"
#include "y.tab.h"
/* ========== Machine dependent C routines ========== */
#include "mach5.c"

View File

@@ -116,6 +116,10 @@ fixregvars(saveall) {
}
}
f_regsave();
#ifndef TEM_BSIZE
for(rv=rvlist;rv!=0;rv=rv->rv_next)
if (rv->rv_off >= 0) rv->rv_off += TEM_BSIZE;
#endif
}
isregvar(off) long off; {

View File

@@ -20,7 +20,14 @@ typedef char * string;
#define full int
#endif
#if TEM_WSIZE>2
#define word long
#ifndef WRD_FMT
#define WRD_FMT "%ld"
#define WRD_FMT "%D"
#endif WRD_FMT
#else
#define word int
#ifndef WRD_FMT
#define WRD_FMT "%d"
#endif WRD_FMT
#endif

View File

@@ -392,14 +392,14 @@ if(Debug>1) fprintf(stderr,"Next tuple %d,%d,%d,%d\n",
ntup = tup->p_next;
for (i=0,t=0;i<nregneeded && t<mincost; i++)
t += docoerc(regtp[i],regcp[i],ply,FALSE,tup->p_rar[i]);
if ( t<mincost && tokpatlen<=stackheight ) {
if (t<mincost) {
#ifndef NDEBUG
if (Debug>2)
fprintf(stderr,"Continuing match after coercions\n");
#endif
t += codegen(codep,ply,FALSE,mincost-t,0);
}
if ( t<mincost && tokpatlen<=stackheight ) {
if (t<mincost) {
mincost = t;
besttup = tup;
} else
@@ -480,7 +480,6 @@ normalfailed: if (stackpad!=tokpatlen) {
result=compute(&enodes[nodeno]);
if (result.e_typ!=EV_REG)
break;
if ( in_stack(result.e_v.e_reg) ) BROKE() ; /* Check aside-stack */
for (tp= &fakestack[stackheight-tokpatlen-1];tp>=&fakestack[0];tp--)
if (tp->t_token==-1) {
if(tp->t_att[0].ar==result.e_v.e_reg)

View File

@@ -96,9 +96,7 @@ move(tp1,tp2,ply,toplevel,maxcost) token_p tp1,tp2; unsigned maxcost; {
fakestack[stackheight] = *tp2;
fakestack[stackheight+1] = *tp1;
stackheight += 2;
tokpatlen += 2;
t = codegen(&coderules[mp->m_cindex],ply,toplevel,maxcost,0);
tokpatlen -= 2;
stackheight -= 2;
return(t);
}
@@ -145,9 +143,7 @@ test(tp,ply,toplevel,maxcost) token_p tp; unsigned maxcost; {
fakestack[stackheight] = *tp;
stackheight++;
tokpatlen++;
t = codegen(&coderules[mp->t_cindex],ply,toplevel,maxcost,0);
tokpatlen--;
stackheight--;
return(t);
}

View File

@@ -392,66 +392,6 @@ tref(tp,amount) register token_p tp; {
}
#define MAXSAVE 10
/* A few routines to save the top of the current stack,
restore it and check whether a certain register is present in the
saved stack
*/
token_t aside[MAXSAVE] ;
int aside_length = -1 ;
save_stack(tp) register token_p tp ; {
int i ;
aside_length = &fakestack[stackheight-1] -tp;
assert(aside_length<=MAXSAVE);
#ifndef NDEBUG
if (aside_length!=0 && Debug>1)
fprintf(stderr,"Saving %d items from fakestack\n",aside_length);
#endif
for (i=1;i<=aside_length;i++)
aside[i-1] = tp[i];
stackheight -= aside_length;
}
in_stack(reg) {
register token_p tp ;
register i ;
register tkdef_p tdp ;
for ( i=0, tp=aside ; i<aside_length ; i++, tp++ )
if (tp->t_token==-1) {
if(tp->t_att[0].ar==reg)
goto gotone ;
} else {
tdp = &tokens[tp->t_token];
for(i=0;i<TOKENSIZE;i++)
if (tdp->t_type[i]==EV_REG &&
tp->t_att[i].ar==reg)
goto gotone ;
}
return 0 ;
gotone:
#ifndef NDEBUG
if ( Debug>2 )
fprintf(stderr,"Register %d present on non-visible stack\n",
reg ) ;
#endif
return 1 ;
}
rest_stack() {
register int i ;
assert(aside_length!= -1);
#ifndef NDEBUG
if (aside_length!=0 && Debug>1)
fprintf(stderr,"Restoring %d items to fakestack(%d)\n",
aside_length,stackheight);
#endif
for (i=0;i<aside_length;i++)
fakestack[stackheight++] = aside[i];
aside_length= -1 ;
}
#ifdef MAXSPLIT
split(tp,ip,ply,toplevel) token_p tp; register int *ip; {
@@ -478,26 +418,49 @@ split(tp,ip,ply,toplevel) token_p tp; register int *ip; {
return(0);
found:
assert(stackheight+cp->c2_nsplit-1<MAXFSTACK);
save_stack(tp);
stp = &fakestack[stackheight-1];
diff = stp - tp;
assert(diff<=MAXSAVE);
for (i=1;i<=diff;i++)
savestack[i-1] = tp[i]; /* save top of stack */
stackheight -= diff;
tpl = tokpatlen;
tokpatlen = 1;
codegen(&coderules[cp->c2_codep],ply,toplevel,MAXINT,0);
tokpatlen = tpl;
rest_stack();
for (i=0;i<diff;i++) /* restore top of stack */
fakestack[stackheight++] = savestack[i];
return(cp->c2_nsplit);
}
#endif MAXSPLIT
unsigned docoerc(tp,cp,ply,toplevel,forced) token_p tp; register c3_p cp; {
token_t savestack[MAXSAVE];
token_p stp;
register int i,diff;
unsigned cost;
int tpl; /* saved tokpatlen */
save_stack(tp) ;
stp = &fakestack[stackheight-1];
diff = stp -tp;
assert(diff<=MAXSAVE);
#ifndef NDEBUG
if (diff!=0 && Debug>1)
fprintf(stderr,"Saving %d items from fakestack\n",diff);
#endif
for (i=1;i<=diff;i++)
savestack[i-1] = tp[i];
stackheight -= diff;
tpl = tokpatlen;
tokpatlen = 1;
cost = codegen(&coderules[cp->c3_codep],ply,toplevel,MAXINT,forced);
tokpatlen = tpl;
rest_stack() ;
#ifndef NDEBUG
if (diff!=0 && Debug>1)
fprintf(stderr,"Restoring %d items to fakestack(%d)\n",diff,stackheight);
#endif
for (i=0;i<diff;i++)
fakestack[stackheight++] = savestack[i];
nallreg = 0;
return(cost);
}

View File

@@ -20,4 +20,8 @@ typedef char * string;
#define full int
#endif
#if TEM_WSIZE>2
#define word long
#else
#define word int
#endif

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c

View File

@@ -1,28 +0,0 @@
.define putchr
! output routine in monitor
CRT = 0x013B
! output a charcter
! entry: ascii character in a
putchr:
push hl
push bc
ld hl,tab
ld b,5
1: cp (hl)
jr z,fetch
inc hl
inc hl
djnz 1b
2: call CRT
pop bc
pop hl
ret
fetch: inc hl
ld a,(hl)
jr 2b
! conversion table for nascom characters
tab: .byte 0x0D,0x00
.byte 0x1B,0x1E
.byte 0x08,0x1D
.byte 0x0A,0x1F
.byte 0x7F,0x00

View File

@@ -1,21 +0,0 @@
.define putchr
putchr:
push hl
push de
push bc
cp 0x0A
jr nz,1f
ld a,0x1F
1:
ld c,a
2:
in a,0xF1
and 4
jr z,2b
ld a,c
out 0xF0,a
pop bc
pop de
pop hl
ret

View File

@@ -1,197 +0,0 @@
.define _read,_write,_ioctl,_getpid,_open,_close,_exit,_errno
_read:
ld (savebc),bc
push af
pop bc
ld (saveaf),bc ! save all registers in savereg
ld (savede),de
ld (savehl),hl
ld (saveix),ix
ex (sp),hl ! return address in hl
pop bc ! skip return address
pop bc ! get fd
ld a,b ! check fd = 0
or c
jr nz,errrd
pop de ! get buffer
pop bc ! get count
ld ix,0 ! reset counter
push bc
push de
push ix
push hl ! return address
ex de,hl ! buffer to hl
1: ld a,b
or c
jr z,done ! done if count = 0
call getchr
ld (hl),a
inc hl ! increment pointer
inc ix ! increment char counter
dec bc ! decrement count
cp 0xA
jr nz,1b ! done if char = CR
done:
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ret
errrd:
push bc
push hl ! return address
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ld ix,-1
ret
_write:
ld (savebc),bc
push af
pop bc
ld (saveaf),bc ! save all registers in savereg
ld (savede),de
ld (savehl),hl
ld (saveix),ix
ex (sp),hl ! return address in hl
pop de ! skip return address
pop de ! get fd
ld a,e ! check for fd = 1
cp 1
jr nz,errwr
ld a,d
or a
jr nz,errwr
pop de ! buffer in de
pop bc ! count in bc
push bc
push de
push de
push hl
ex de,hl ! buffer in hl
ld e,c
ld d,b ! count also in de
1: ld a,b
or c
jr z,exit
ld a,(hl)
call putchr
inc hl
dec bc
jr 1b
errwr:
push de
push hl
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ld ix,-1 ! error in fd
ret
exit:
push de ! count on stack
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
pop ix ! return count to caller
ret
_ioctl:
ret
_getpid:
ret
! open return a file descriptor (0,1,2)
! depending on 'mode'
! mode 2 doesn't work!!
_open:
ld (savebc),bc
push af
pop bc
ld (saveaf),bc ! save all registers in savereg
ld (savede),de
ld (savehl),hl
ld (saveix),ix
pop bc ! return address
pop de ! name pointer
pop ix ! mode (0 for read,
! 1 for write)
push ix
push de
push bc
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ret ! return fd = 0 for read
! fd = 1 for write
_close:
ld ix,0 ! return succes
ret
_exit:
jp 0x38
.data
_errno:
.word 0
! output routine in monitor
CRT = 0x013B
! output a charcter
! entry: ascii character in a
.text
!putchr:
! push hl
! push bc
! ld hl,tab
! ld b,5
!1: cp (hl)
! jr z,fetch
! inc hl
! inc hl
! djnz 1b
!2: call CRT
! pop bc
! pop hl
! ret
!fetch: inc hl
! ld a,(hl)
! jr 2b
!! conversion table for nascom characters
!tab: .byte 0x0D,0x00
! .byte 0x1B,0x1E
! .byte 0x08,0x1D
! .byte 0x0A,0x1F
! .byte 0x7F,0x00
KBD = 0x69
! get character from keyboard
getchr:
call KBD
jr nc,getchr
cp 0x1F
jr z,CR
cp 0x1D
jr z,BS
ret
CR: ld a,0xA
ret
BS: ld a,0x8
ret

View File

@@ -1,28 +0,0 @@
.define putchr
! output routine in monitor
CRT = 0x013B
! output a charcter
! entry: ascii character in a
putchr:
push hl
push bc
ld hl,tab
ld b,5
1: cp (hl)
jr z,fetch
inc hl
inc hl
djnz 1b
2: call CRT
pop bc
pop hl
ret
fetch: inc hl
ld a,(hl)
jr 2b
! conversion table for nascom characters
tab: .byte 0x0D,0x00
.byte 0x1B,0x1E
.byte 0x08,0x1D
.byte 0x0A,0x1F
.byte 0x7F,0x00

View File

@@ -1,21 +0,0 @@
.define putchr
putchr:
push hl
push de
push bc
cp 0x0A
jr nz,1f
ld a,0x1F
1:
ld c,a
2:
in a,0xF1
and 4
jr z,2b
ld a,c
out 0xF0,a
pop bc
pop de
pop hl
ret

View File

@@ -1,197 +0,0 @@
.define _read,_write,_ioctl,_getpid,_open,_close,_exit,_errno
_read:
ld (savebc),bc
push af
pop bc
ld (saveaf),bc ! save all registers in savereg
ld (savede),de
ld (savehl),hl
ld (saveix),ix
ex (sp),hl ! return address in hl
pop bc ! skip return address
pop bc ! get fd
ld a,b ! check fd = 0
or c
jr nz,errrd
pop de ! get buffer
pop bc ! get count
ld ix,0 ! reset counter
push bc
push de
push ix
push hl ! return address
ex de,hl ! buffer to hl
1: ld a,b
or c
jr z,done ! done if count = 0
call getchr
ld (hl),a
inc hl ! increment pointer
inc ix ! increment char counter
dec bc ! decrement count
cp 0xA
jr nz,1b ! done if char = CR
done:
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ret
errrd:
push bc
push hl ! return address
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ld ix,-1
ret
_write:
ld (savebc),bc
push af
pop bc
ld (saveaf),bc ! save all registers in savereg
ld (savede),de
ld (savehl),hl
ld (saveix),ix
ex (sp),hl ! return address in hl
pop de ! skip return address
pop de ! get fd
ld a,e ! check for fd = 1
cp 1
jr nz,errwr
ld a,d
or a
jr nz,errwr
pop de ! buffer in de
pop bc ! count in bc
push bc
push de
push de
push hl
ex de,hl ! buffer in hl
ld e,c
ld d,b ! count also in de
1: ld a,b
or c
jr z,exit
ld a,(hl)
call putchr
inc hl
dec bc
jr 1b
errwr:
push de
push hl
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ld ix,-1 ! error in fd
ret
exit:
push de ! count on stack
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
pop ix ! return count to caller
ret
_ioctl:
ret
_getpid:
ret
! open return a file descriptor (0,1,2)
! depending on 'mode'
! mode 2 doesn't work!!
_open:
ld (savebc),bc
push af
pop bc
ld (saveaf),bc ! save all registers in savereg
ld (savede),de
ld (savehl),hl
ld (saveix),ix
pop bc ! return address
pop de ! name pointer
pop ix ! mode (0 for read,
! 1 for write)
push ix
push de
push bc
ld bc,(saveaf)
push bc
pop af
ld bc,(savebc)
ld de,(savede)
ld hl,(savehl)
ld ix,(saveix)
ret ! return fd = 0 for read
! fd = 1 for write
_close:
ld ix,0 ! return succes
ret
_exit:
jp 0x38
.data
_errno:
.word 0
! output routine in monitor
CRT = 0x013B
! output a charcter
! entry: ascii character in a
.text
!putchr:
! push hl
! push bc
! ld hl,tab
! ld b,5
!1: cp (hl)
! jr z,fetch
! inc hl
! inc hl
! djnz 1b
!2: call CRT
! pop bc
! pop hl
! ret
!fetch: inc hl
! ld a,(hl)
! jr 2b
!! conversion table for nascom characters
!tab: .byte 0x0D,0x00
! .byte 0x1B,0x1E
! .byte 0x08,0x1D
! .byte 0x0A,0x1F
! .byte 0x7F,0x00
KBD = 0x69
! get character from keyboard
getchr:
call KBD
jr nc,getchr
cp 0x1F
jr z,CR
cp 0x1D
jr z,BS
ret
CR: ld a,0xA
ret
BS: ld a,0x8
ret

View File

@@ -1,53 +0,0 @@
# $Header$
EM = ../../..
h = $(EM)/h
CDIR = $(EM)/mach/proto/nas
CPP = $(EM)/lib/cpp
DEF =
FFLAG =
CFLAGS = $(FFLAG) -O -I$h $(DEF)
YFLAGS = -d
LDFLAGS = $(FFLAG) -i
CSRC = $(CDIR)/comm3.c $(CDIR)/comm4.c $(CDIR)/comm5.c \
$(CDIR)/comm6.c $(CDIR)/comm7.c $(CDIR)/comm8.c
COBJ = $(CDIR)/comm3.o $(CDIR)/comm4.o $(CDIR)/comm5.o \
$(CDIR)/comm6.o $(CDIR)/comm7.o $(CDIR)/comm8.o
MACH = mach0.c mach1.c mach2.c mach3.c mach4.c mach5.c
COMM = $(CDIR)/comm0.h $(CDIR)/comm1.h $(CDIR)/comm2.y $(CSRC)
all: as
install:all
../../install as
cmp:
-../../compare as
clean:
rm -f *.o as as.[cy] y.tab.h
pr: $(MACH)
@pr -n $(MACH)
opr:
make pr | opr
as: $(COBJ) as.o
$(CC) $(LDFLAGS) $(COBJ) as.o -o as
as.y: $(CDIR)/comm2.y
$(CPP) -P -I$h $(DEF) $(CDIR)/comm2.y >as.y
@echo "expect 1 shift/reduce conflict"
lint: $(CSRC) as.c
lint $(CSRC) as.c
y.tab.h: as.c
$(COBJ): y.tab.h
$(COBJ) as.y: $(CDIR)/comm0.h mach0.c
$(COBJ) as.y: $(CDIR)/comm1.h mach1.c
as.y: mach2.c
comm3.o: mach3.c
as.y: mach4.c
comm8.o: mach5.c