cleaned up considerably

This commit is contained in:
ceriel 1989-10-13 18:26:05 +00:00
parent 284bd607fd
commit 0b44329a4b
4 changed files with 476 additions and 61 deletions

View file

@ -24,7 +24,7 @@ dfdnam.c
dfilb.c
dlb.c
dnam.c
e
em.c
em.nogen
end.c
endarg.c
@ -37,8 +37,6 @@ ilb.c
insert.c
insert.h
internerr.c
io.c
k
make.em.gen
make.sh
msend.c

View file

@ -9,10 +9,10 @@ LIBSUF = a
SRC = bhcst.c bhdlb.c bhdnam.c bhfcon.c bhicon.c bhilb.c bhpnam.c bhucon.c \
crcst.c crdlb.c crdnam.c crfcon.c cricon.c crilb.c crpnam.c crscon.c \
crucon.c cst.c dfdlb.c dfdnam.c dfilb.c dlb.c dnam.c end.c endarg.c \
exc.c fcon.c getid.c icon.c ilb.c insert.c internerr.c io.c \
exc.c fcon.c getid.c icon.c ilb.c insert.c internerr.c \
msend.c op.c opcst.c opdlb.c opdnam.c opilb.c opnarg.c oppnam.c pnam.c \
pro.c pronarg.c msstart.c psdlb.c psdnam.c pspnam.c scon.c ucon.c \
C_out.c failed.c
C_out.c failed.c em.c
OBS = failed.$(SUF) insert.$(SUF) internerr.$(SUF) getid.$(SUF)
@ -38,12 +38,12 @@ em_code.3: em_code.3X
-sh -c 'tbl < em_code.3X > em_code.3'
-sh -c 'if test -s em_code.3 ; then : ; else cp em_code.3X em_code.3 ; fi '
libeme.$(LIBSUF): e/em_private.h e/em.c $(OBS) io.c
EMHOME=$(EMHOME); cc="$(CC)"; suf="$(SUF)"; libsuf="$(LIBSUF)"; cflags="-c -Ie $(CFLAGS)"; ar="$(AR)"; export EMHOME cc ar suf libsuf cflags; sh -x make.sh e
libeme.$(LIBSUF): em_private.h $(SRC) $(OBS)
EMHOME=$(EMHOME); cc="$(CC)"; suf="$(SUF)"; libsuf="$(LIBSUF)"; cflags="-c -DREADABLE_EM $(CFLAGS)"; ar="$(AR)"; export EMHOME cc ar suf libsuf cflags; sh make.sh e $(SRC)
-sh -c 'ranlib libeme.$(LIBSUF)'
libemk.$(LIBSUF): k/em_private.h k/em.c $(OBS) io.c
EMHOME=$(EMHOME); cc="$(CC)"; suf="$(SUF)"; libsuf="$(LIBSUF)"; cflags="-c -Ik $(CFLAGS)"; ar="$(AR)"; export EMHOME cc ar suf libsuf cflags; sh -x make.sh k
libemk.$(LIBSUF): em_private.h $(SRC) $(OBS)
EMHOME=$(EMHOME); cc="$(CC)"; suf="$(SUF)"; libsuf="$(LIBSUF)"; cflags="-c $(CFLAGS)"; ar="$(AR)"; export EMHOME cc ar suf libsuf cflags; sh make.sh k $(SRC)
-sh -c 'ranlib libemk.$(LIBSUF)'
em_codeEK.h: make.em.gen $(ETC)/em_table em.nogen
@ -51,7 +51,7 @@ em_codeEK.h: make.em.gen $(ETC)/em_table em.nogen
cat em.nogen >> em_codeEK.h
pr:
@pr Makefile em.nogen make.em.gen make.sh insert.h $(SRC) e/em_private.h e/em.c k/em_private.h k/em.c
@pr Makefile em.nogen make.em.gen make.sh insert.h $(SRC) em_private.h
opr:
make pr | opr
@ -60,8 +60,8 @@ clean:
rm -f *.$(SUF) *.$(LIBSUF) em_code.3
lintlib: make.sh
lint -I. -I../../h -I../../../h -Ie -Ceme $(SRC) e/*.c
lint -I. -I../../h -I../../../h -Ik -Cemk $(SRC) k/*.c
lint -I. -I../../h -I../../../h -Ceme -DREADABLE_EM $(SRC)
lint -I. -I../../h -I../../../h -Cemk $(SRC)
mv llib-leme.ln llib-lemk.ln $(EMHOME)/modules/lib
insert.$(SUF): insert.c insert.h

445
modules/src/em_code/em.c Normal file
View file

@ -0,0 +1,445 @@
/* $Header$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* EM CODE OUTPUT ROUTINES */
/* I/O part of em_code module.
Also contains C_open, C_close
*/
#include <alloc.h>
#include <em_path.h>
#include <em_arith.h>
#include "insert.h"
#include "em_private.h"
int C_ontmpfile = 0;
int C_sequential = 1;
Part *C_curr_part;
Part *C_stable[TABSIZ];
char *C_tmpdir = TMP_DIR;
int (*C_outpart)(), (*C_swtout)(), (*C_swttmp)();
#ifdef INCORE
char *C_BASE;
#endif
File *C_ofp;
#ifndef INCORE
File *C_tfr, *C_old_ofp;
char *C_tmpfile;
char *strcpy(), *strcat();
char *C_ibuf = 0;
long C_current_out;
#endif
#if BUFSIZ <= 1024 && BIGMACHINE
#define BUFFERSIZ 8*BUFSIZ
#else
#define BUFFERSIZ BUFSIZ
#endif
static char obuf[BUFFERSIZ];
char *C_top = &obuf[BUFFERSIZ];
char *C_old_top;
char *C_old_opp;
#ifdef INCORE
char *C_current_out = obuf;
#else
char *C_opp = obuf;
#endif
C_flush() {
#ifdef INCORE
static unsigned int bufsiz;
if (C_ontmpfile) {
if (C_BASE == 0) {
C_BASE = Malloc(BUFFERSIZ);
bufsiz = BUFFERSIZ;
C_current_out = C_BASE;
}
else {
C_BASE = Srealloc(C_BASE, (bufsiz << 1));
C_current_out = C_BASE + bufsiz;
bufsiz <<= 1;
}
C_top = C_BASE + bufsiz;
return;
}
#endif
if (C_opp != obuf && sys_write(C_ofp, obuf, C_opp - obuf) == 0) {
C_failed();
}
C_opp = obuf;
}
#ifndef INCORE
#define Xputbyte(c) if (C_ontmpfile) C_current_out++; put(c)
#else
#define Xputbyte(c) put(c)
#endif
C_putbyte(c)
int c;
{
Xputbyte(c);
}
#define C_putbyte Xputbyte
C_init(w, p)
arith w, p;
{
}
C_open(nm)
char *nm;
{
/* Open file "nm" for output
*/
if (nm == 0)
C_ofp = STDOUT; /* standard output */
else
if (sys_open(nm, OP_WRITE, &C_ofp) == 0)
return 0;
return 1;
}
C_close()
{
/* Finish the code-generation.
*/
#ifndef INCORE
C_flush();
if (C_tmpfile) {
(*C_swttmp)();
sys_close(C_ofp);
#else
if (C_BASE) {
#endif
if (C_curr_part) {
C_curr_part->p_parts->pp_end = C_current_out - C_BASE;
}
(*C_swtout)();
if (! C_sequential) {
(*C_outpart)(0);
}
#ifndef INCORE
sys_close(C_tfr);
sys_remove(C_tmpfile);
if (C_ibuf) free(C_ibuf);
#else
free(C_BASE);
#endif
}
C_flush();
if (C_ofp != STDOUT)
sys_close(C_ofp);
C_ofp = 0;
}
C_busy()
{
return C_ofp != 0; /* true if code is being generated */
}
#ifdef READABLE_EM
/*
The C_pt_*() functions serve as formatting functions of the
various EM language constructs.
See "Description of a Machine Architecture for use with
Block Structured Languages" par. 11.2 for the meaning of these
names.
*/
C_magic()
{
}
/*** the readable code generating routines ***/
static
wrs(s)
register char *s;
{
while (*s) {
C_putbyte(*s++);
}
}
C_pt_dnam(s)
char *s;
{
wrs(s);
}
C_pt_ilb(l)
label l;
{
char buf[16];
sprint(buf, "*%ld", (long) l);
wrs(buf);
}
extern char em_mnem[][4];
extern char em_pseu[][4];
C_pt_op(x)
{
C_putbyte(' ');
wrs(em_mnem[x - sp_fmnem]);
C_putbyte(' ');
}
C_pt_cst(l)
arith l;
{
char buf[16];
sprint(buf, "%ld", (long) l);
wrs(buf);
}
C_pt_scon(x, y)
char *x;
arith y;
{
char xbuf[1024];
register char *p;
char *bts2str();
C_putbyte('\'');
p = bts2str(x, (int) y, xbuf);
while (*p) {
if (*p == '\'') {
C_putbyte('\\');
}
C_putbyte(*p++);
}
C_putbyte('\'');
}
C_pt_ps(x)
{
C_putbyte(' ');
wrs(em_pseu[x - sp_fpseu]);
C_putbyte(' ');
}
C_pt_dlb(l)
label l;
{
char buf[16];
sprint(buf, ".%ld", (long) l);
wrs(buf);
}
C_pt_doff(l, v)
label l;
arith v;
{
char buf[16];
C_pt_dlb(l);
if (v != 0) {
sprint(buf,"+%ld", (long) v);
wrs(buf);
}
}
C_pt_noff(s, v)
char *s;
arith v;
{
char buf[16];
wrs(s);
if (v != 0) {
sprint(buf,"+%ld", (long) v);
wrs(buf);
}
}
C_pt_pnam(s)
char *s;
{
C_putbyte('$');
wrs(s);
}
C_pt_dfilb(l)
label l;
{
char buf[16];
sprint(buf, "%ld", (long) l);
wrs(buf);
}
C_pt_wcon(sp, v, sz) /* sp_icon, sp_ucon or sp_fcon with int repr */
int sp;
char *v;
arith sz;
{
int ch = sp == sp_icon ? 'I' : sp == sp_ucon ? 'U' : 'F';
wrs(v);
C_putbyte(ch);
C_pt_cst(sz);
}
C_pt_nl() { C_putbyte('\n'); }
C_pt_comma() { C_putbyte(','); }
C_pt_ccend() { C_putbyte('?'); }
#else /* READABLE_EM */
#define put8(x) C_putbyte(x)
#define put16(x) put8((int) x); put8((int) (x >> 8))
#define put32(x) put16((int) x); put16((int) (x >> 16))
/*
The C_pt_*() functions serve as formatting functions of the
various EM language constructs.
See "Description of a Machine Architecture for use with
Block Structured Languages" par. 11.2 for the meaning of these
names.
*/
C_magic()
{
put16(sp_magic);
}
/*** the compact code generating routines ***/
#define fit16i(x) ((x) >= (long)0xFFFF8000 && (x) <= (long)0x00007FFF)
#define fit8u(x) ((x) <= 0xFF) /* x is already unsigned */
C_pt_ilb(l)
register label l;
{
if (fit8u(l)) {
put8(sp_ilb1);
put8(l);
}
else {
put8(sp_ilb2);
put16(l);
}
}
C_pt_dlb(l)
register label l;
{
if (fit8u(l)) {
put8(sp_dlb1);
put8(l);
}
else {
put8(sp_dlb2);
put16((int)l);
}
}
C_pt_cst(l)
register arith l;
{
if (l >= (arith) -sp_zcst0 && l < (arith) (sp_ncst0 - sp_zcst0)) {
/* we can convert 'l' to an int because its value
can be stored in a byte.
*/
put8((int)l + (sp_zcst0 + sp_fcst0));
}
else
if (fit16i(l)) { /* the cast from long to int causes no trouble here */
put8(sp_cst2);
put16((int) l);
}
else {
put8(sp_cst4);
put32(l);
}
}
C_pt_doff(l, v)
label l;
arith v;
{
if (v == 0) {
C_pt_dlb(l);
}
else {
put8(sp_doff);
C_pt_dlb(l);
C_pt_cst(v);
}
}
C_pt_noff(s, v)
char *s;
arith v;
{
if (v == 0) {
C_pt_dnam(s);
}
else {
put8(sp_doff);
C_pt_dnam(s);
C_pt_cst(v);
}
}
C_pt_dnam(s)
char *s;
{
put8(sp_dnam);
C_pt_str(s);
}
C_pt_pnam(s)
char *s;
{
put8(sp_pnam);
C_pt_str(s);
}
C_pt_wcon(sp, v, sz) /* sp_icon, sp_ucon or sp_fcon with int repr */
int sp;
char *v;
arith sz;
{
/* how 'bout signextension int --> long ??? */
put8(sp);
C_pt_cst(sz);
C_pt_str(v);
}
C_pt_str(s)
register char *s;
{
register int len;
C_pt_cst((arith) (len = strlen(s)));
while (--len >= 0) {
put8(*s++);
}
}
C_pt_scon(b, n)
register char *b;
register arith n;
{
put8(sp_scon);
C_pt_cst(n);
while (--n >= 0) {
put8(*b++);
}
}
#endif /* READABLE_EM */

View file

@ -1,50 +1,22 @@
if $cc $cflags bhcst.c ; then : ; else exit 1 ; fi
if $cc $cflags bhdlb.c ; then : ; else exit 1 ; fi
if $cc $cflags bhdnam.c ; then : ; else exit 1 ; fi
if $cc $cflags bhfcon.c ; then : ; else exit 1 ; fi
if $cc $cflags bhicon.c ; then : ; else exit 1 ; fi
if $cc $cflags bhilb.c ; then : ; else exit 1 ; fi
if $cc $cflags bhpnam.c ; then : ; else exit 1 ; fi
if $cc $cflags bhucon.c ; then : ; else exit 1 ; fi
if $cc $cflags crcst.c ; then : ; else exit 1 ; fi
if $cc $cflags crdlb.c ; then : ; else exit 1 ; fi
if $cc $cflags crdnam.c ; then : ; else exit 1 ; fi
if $cc $cflags crfcon.c ; then : ; else exit 1 ; fi
if $cc $cflags cricon.c ; then : ; else exit 1 ; fi
if $cc $cflags crilb.c ; then : ; else exit 1 ; fi
if $cc $cflags crpnam.c ; then : ; else exit 1 ; fi
if $cc $cflags crscon.c ; then : ; else exit 1 ; fi
if $cc $cflags crucon.c ; then : ; else exit 1 ; fi
if $cc $cflags cst.c ; then : ; else exit 1 ; fi
if $cc $cflags dfdlb.c ; then : ; else exit 1 ; fi
if $cc $cflags dfdnam.c ; then : ; else exit 1 ; fi
if $cc $cflags dfilb.c ; then : ; else exit 1 ; fi
if $cc $cflags dlb.c ; then : ; else exit 1 ; fi
if $cc $cflags dnam.c ; then : ; else exit 1 ; fi
if $cc $cflags end.c ; then : ; else exit 1 ; fi
if $cc $cflags endarg.c ; then : ; else exit 1 ; fi
if $cc $cflags exc.c ; then : ; else exit 1 ; fi
if $cc $cflags fcon.c ; then : ; else exit 1 ; fi
if $cc $cflags icon.c ; then : ; else exit 1 ; fi
if $cc $cflags ilb.c ; then : ; else exit 1 ; fi
if $cc $cflags msend.c ; then : ; else exit 1 ; fi
if $cc $cflags op.c ; then : ; else exit 1 ; fi
if $cc $cflags opcst.c ; then : ; else exit 1 ; fi
if $cc $cflags opdlb.c ; then : ; else exit 1 ; fi
if $cc $cflags opdnam.c ; then : ; else exit 1 ; fi
if $cc $cflags opilb.c ; then : ; else exit 1 ; fi
if $cc $cflags opnarg.c ; then : ; else exit 1 ; fi
if $cc $cflags oppnam.c ; then : ; else exit 1 ; fi
if $cc $cflags pnam.c ; then : ; else exit 1 ; fi
if $cc $cflags pro.c ; then : ; else exit 1 ; fi
if $cc $cflags pronarg.c ; then : ; else exit 1 ; fi
if $cc $cflags msstart.c ; then : ; else exit 1 ; fi
if $cc $cflags psdlb.c ; then : ; else exit 1 ; fi
if $cc $cflags psdnam.c ; then : ; else exit 1 ; fi
if $cc $cflags pspnam.c ; then : ; else exit 1 ; fi
if $cc $cflags scon.c ; then : ; else exit 1 ; fi
if $cc $cflags ucon.c ; then : ; else exit 1 ; fi
list=
target=$1
shift
for i
do
echo "+$cc $cflags $i"
if $cc $cflags $i
then
list="$list `basename $i .c`.o"
else
exit 1
fi
done
echo "+$cc $cflags -I../read_em C_out.c"
if $cc $cflags -I../read_em C_out.c ; then : ; else exit 1 ; fi
if $cc $cflags $1/em.c ; then : ; else exit 1 ; fi
if mv em.$suf em$1.$suf ; then : ; else exit 1 ; fi
if $ar rc libem$1.$libsuf bhcst.$suf bhdlb.$suf bhdnam.$suf bhfcon.$suf bhicon.$suf bhilb.$suf bhpnam.$suf bhucon.$suf crcst.$suf crdlb.$suf crdnam.$suf crfcon.$suf cricon.$suf crilb.$suf crpnam.$suf crscon.$suf crucon.$suf cst.$suf dfdlb.$suf dfdnam.$suf dfilb.$suf dlb.$suf dnam.$suf end.$suf endarg.$suf exc.$suf fcon.$suf getid.$suf icon.$suf ilb.$suf insert.$suf internerr.$suf msend.$suf op.$suf opcst.$suf opdlb.$suf opdnam.$suf opilb.$suf opnarg.$suf oppnam.$suf pnam.$suf pro.$suf pronarg.$suf msstart.$suf psdlb.$suf psdnam.$suf pspnam.$suf scon.$suf ucon.$suf C_out.$suf em$1.$suf failed.$suf ; then : ; else exit 1 ; fi
echo "+$ar rc libem$target.$libsuf $list"
if $ar rc libem$target.$libsuf $list
then
:
else
exit 1
fi