sync compilers with Plan 9

remove 1[acl] 2[acl]

1 files changed, 0 insertions, 1380 deletions

diff --git a/utils/1l/obj.c b/utils/1l/obj.c
deleted file mode 100644
index afc3c9e7..00000000
--- a/utils/1l/obj.c
+++ /dev/null
@@ -1,1380 +0,0 @@
-#define	EXTERN
-#include	"l.h"
-#include	<ar.h>
-
-#ifndef	DEFAULT
-#define	DEFAULT	'9'
-#endif
-
-char	symname[]	= SYMDEF;
-char	thechar		= '1';
-char	*thestring 	= "68000";
-
-/*
- *	-H0 -T0x40004C -D0x10000000	is garbage unix
- *	-H1 -T0x80020000 -R4		is garbage format
- *	-H2 -T8224 -R8192		is plan9 format
- *	-H3 -Tx -Rx			is next boot
- *	-H4 -T0 -D0			is pilot relocatable
- */
-
-void
-main(int argc, char *argv[])
-{
-	int i, c;
-	char *a;
-
-	Binit(&bso, 1, OWRITE);
-	cout = -1;
-	listinit();
-	memset(debug, 0, sizeof(debug));
-	nerrors = 0;
-	outfile = "1.out";
-	HEADTYPE = -1;
-	INITTEXT = -1;
-	INITDAT = -1;
-	INITRND = -1;
-	INITENTRY = 0;
-
-	ARGBEGIN {
-	default:
-		c = ARGC();
-		if(c >= 0 && c < sizeof(debug))
-			debug[c]++;
-		break;
-	case 'o': /* output to (next arg) */
-		outfile = ARGF();
-		break;
-	case 'E':
-		a = ARGF();
-		if(a)
-			INITENTRY = a;
-		break;
-	case 'H':
-		a = ARGF();
-		if(a)
-			HEADTYPE = atolwhex(a);
-		break;
-	case 'T':
-		a = ARGF();
-		if(a)
-			INITTEXT = atolwhex(a);
-		break;
-	case 'D':
-		a = ARGF();
-		if(a)
-			INITDAT = atolwhex(a);
-		break;
-	case 'R':
-		a = ARGF();
-		if(a)
-			INITRND = atolwhex(a);
-		break;
-	} ARGEND
-
-	USED(argc);
-
-	if(*argv == 0) {
-		diag("usage: 1l [-options] objects");
-		errorexit();
-	}
-	if(!debug['9'] && !debug['U'] && !debug['B'])
-		debug[DEFAULT] = 1;
-	if(HEADTYPE == -1) {
-		if(debug['U'])
-			HEADTYPE = 2;
-		if(debug['B'])
-			HEADTYPE = 2;
-		if(debug['9'])
-			HEADTYPE = 2;
-	}
-	if(INITDAT != -1 && INITRND == -1)
-		INITRND = 0;
-	switch(HEADTYPE) {
-	default:
-		diag("unknown -H option %d", HEADTYPE);
-		errorexit();
-
-	case 0:	/* this is garbage */
-		HEADR = 20L+56L;
-		if(INITTEXT == -1)
-			INITTEXT = 0x40004CL;
-		if(INITDAT == -1)
-			INITDAT = 0x10000000L;
-		if(INITDAT != 0 && INITRND == -1)
-			INITRND = 0;
-		if(INITRND == -1)
-			INITRND = 0;
-		break;
-	case 1:	/* plan9 boot data goes into text */
-		HEADR = 32L;
-		if(INITTEXT == -1)
-			INITTEXT = 8224;
-		if(INITDAT == -1)
-			INITDAT = 0;
-		if(INITDAT != 0 && INITRND == -1)
-			INITRND = 0;
-		if(INITRND == -1)
-			INITRND = 8192;
-		break;
-	case 2:	/* plan 9 */
-		HEADR = 32L;
-		if(INITTEXT == -1)
-			INITTEXT = 8224;
-		if(INITDAT == -1)
-			INITDAT = 0;
-		if(INITDAT != 0 && INITRND == -1)
-			INITRND = 0;
-		if(INITRND == -1)
-			INITRND = 8192;
-		break;
-	case 3:	/* next boot */
-		HEADR = 28+124+192+24;
-		if(INITTEXT == -1)
-			INITTEXT = 0x04002000;
-		if(INITDAT == -1)
-			INITDAT = 0;
-		if(INITDAT != 0 && INITRND == -1)
-			INITRND = 0;
-		if(INITRND == -1)
-			INITRND = 8192L;
-		break;
-	case 4:	/* preprocess pilot */
-		HEADR = 36L;
-		if(INITTEXT == -1)
-			INITTEXT = 0;
-		if(INITDAT == -1)
-			INITDAT = 0;
-		if(INITRND == -1)
-			INITRND = 0;
-		break;
-	}
-	if(INITDAT != 0 && INITRND != 0)
-		print("warning: -D0x%lux is ignored because of -R0x%lux\n",
-			INITDAT, INITRND);
-	if(debug['v'])
-		Bprint(&bso, "HEADER = -H0x%ld -T0x%lux -D0x%lux -R0x%lux\n",
-			HEADTYPE, INITTEXT, INITDAT, INITRND);
-	Bflush(&bso);
-	for(i=1; optab[i].as; i++)
-		if(i != optab[i].as) {
-			diag("phase error in optab: %d", i);
-			errorexit();
-		}
-
-	zprg.link = P;
-	zprg.pcond = P;
-	zprg.back = 2;
-	zprg.as = AGOK;
-	zprg.from.type = D_NONE;
-	zprg.to = zprg.from;
-
-	memset(special, 0, sizeof(special));
-	special[D_CCR] = 1;
-	special[D_SR] = 1;
-	special[D_SFC] = 1;
-	special[D_CACR] = 1;
-	special[D_USP] = 1;
-	special[D_VBR] = 1;
-	special[D_CAAR] = 1;
-	special[D_MSP] = 1;
-	special[D_ISP] = 1;
-	special[D_DFC] = 1;
-	special[D_FPCR] = 1;
-	special[D_FPSR] = 1;
-	special[D_FPIAR] = 1;
- 	special[D_TC] = 1;
-	special[D_ITT0] = 1;
-	special[D_ITT1] = 1;
-	special[D_DTT0] = 1;
-	special[D_DTT1] = 1;
-	special[D_MMUSR] = 1;
-	special[D_URP] = 1;
-	special[D_SRP] = 1;
-	memset(simple, 0177, sizeof(simple));
-	for(i=0; i<8; i++) {
-		simple[D_R0+i] = i;
-		simple[D_F0+i] = i+0100;
-		simple[D_A0+i] = i+010;
-		simple[D_A0+I_INDIR+i] = i+020;
-		simple[D_A0+I_INDINC+i] = i+030;
-		simple[D_A0+I_INDDEC+i] = i+040;
-	}
-	nuxiinit();
-	histgen = 0;
-	textp = P;
-	datap = P;
-	pc = 0;
-	cout = create(outfile, 1, 0775);
-	if(cout < 0) {
-		diag("cannot create %s", outfile);
-		errorexit();
-	}
-	version = 0;
-	cbp = buf.cbuf;
-	cbc = sizeof(buf.cbuf);
-	firstp = prg();
-	lastp = firstp;
-
-	if(INITENTRY == 0) {
-		INITENTRY = "_main";
-		if(debug['p'])
-			INITENTRY = "_mainp";
-		if(!debug['l'])
-			lookup(INITENTRY, 0)->type = SXREF;
-	} else
-		lookup(INITENTRY, 0)->type = SXREF;
-
-	initmuldiv1();
-	while(*argv)
-		objfile(*argv++);
-	if(!debug['l'])
-		loadlib();
-	firstp = firstp->link;
-	if(firstp == P)
-		errorexit();
-	patch();
-	if(debug['p'])
-		if(debug['1'])
-			doprof1();
-		else
-			doprof2();
-	initmuldiv2();
-	follow();
-	dodata();
-	dostkoff();
-	span();
-	asmb();
-	undef();
-	if(debug['v']) {
-		Bprint(&bso, "%5.2f cpu time\n", cputime());
-		Bprint(&bso, "%ld data statements\n", ndata);
-		Bprint(&bso, "%ld symbols\n", nsymbol);
-		Bprint(&bso, "%ld memory used\n", thunk);
-		Bprint(&bso, "%d sizeof adr\n", sizeof(Adr));
-		Bprint(&bso, "%d sizeof prog\n", sizeof(Prog));
-	}
-	Bflush(&bso);
-
-	errorexit();
-}
-
-void
-loadlib(void)
-{
-	int i;
-	long h;
-	Sym *s;
-
-loop:
-	xrefresolv = 0;
-	for(i=0; i<libraryp; i++) {
-		if(debug['v'])
-			Bprint(&bso, "%5.2f autolib: %s (from %s)\n", cputime(), library[i], libraryobj[i]);
-		objfile(library[i]);
-	}
-	if(xrefresolv)
-	for(h=0; h<nelem(hash); h++)
-	for(s = hash[h]; s != S; s = s->link)
-		if(s->type == SXREF)
-			goto loop;
-}
-
-void
-errorexit(void)
-{
-
-	if(nerrors) {
-		if(cout >= 0)
-			remove(outfile);
-		exits("error");
-	}
-	exits(0);
-}
-
-void
-objfile(char *file)
-{
-	long off, esym, cnt, l;
-	int f, work;
-	Sym *s;
-	char magbuf[SARMAG];
-	char name[100], pname[150];
-	struct ar_hdr arhdr;
-	char *e, *start, *stop;
-
-	if(file[0] == '-' && file[1] == 'l') {
-		sprint(name, "/%s/lib/lib", thestring);
-		strcat(name, file+2);
-		strcat(name, ".a");
-		file = name;
-	}
-	if(debug['v'])
-		Bprint(&bso, "%5.2f ldobj: %s\n", cputime(), file);
-	Bflush(&bso);
-	f = open(file, 0);
-	if(f < 0) {
-		diag("cannot open file: %s", file);
-		errorexit();
-	}
-	l = read(f, magbuf, SARMAG);
-	if(l != SARMAG || strncmp(magbuf, ARMAG, SARMAG)){
-		/* load it as a regular file */
-		l = seek(f, 0L, 2);
-		seek(f, 0L, 0);
-		ldobj(f, l, file);
-		close(f);
-		return;
-	}
-
-	l = read(f, &arhdr, SAR_HDR);
-	if(l != SAR_HDR) {
-		diag("%s: short read on archive file symbol header", file);
-		goto out;
-	}
-	if(strncmp(arhdr.name, symname, strlen(symname))) {
-		diag("%s: first entry not symbol header", file);
-		goto out;
-	}
-
-	esym = SARMAG + SAR_HDR + atolwhex(arhdr.size);
-	off = SARMAG + SAR_HDR;
-
-	/*
-	 * just bang the whole symbol file into memory
-	 */
-	seek(f, off, 0);
-	cnt = esym - off;
-	start = malloc(cnt + 10);
-	cnt = read(f, start, cnt);
-	if(cnt <= 0){
-		close(f);
-		return;
-	}
-	stop = &start[cnt];
-	memset(stop, 0, 10);
-
-	work = 1;
-	while(work){
-		if(debug['v'])
-			Bprint(&bso, "%5.2f library pass: %s\n", cputime(), file);
-		Bflush(&bso);
-		work = 0;
-		for(e = start; e < stop; e = strchr(e+5, 0) + 1) {
-			s = lookup(e+5, 0);
-			if(s->type != SXREF)
-				continue;
-			sprint(pname, "%s(%s)", file, s->name);
-			if(debug['v'])
-				Bprint(&bso, "%5.2f library: %s\n", cputime(), pname);
-			Bflush(&bso);
-			l = e[1] & 0xff;
-			l |= (e[2] & 0xff) << 8;
-			l |= (e[3] & 0xff) << 16;
-			l |= (e[4] & 0xff) << 24;
-			seek(f, l, 0);
-			l = read(f, &arhdr, SAR_HDR);
-			if(l != SAR_HDR)
-				goto bad;
-			if(strncmp(arhdr.fmag, ARFMAG, sizeof(arhdr.fmag)))
-				goto bad;
-			l = atolwhex(arhdr.size);
-			ldobj(f, l, pname);
-			if(s->type == SXREF) {
-				diag("%s: failed to load: %s", file, s->name);
-				errorexit();
-			}
-			work = 1;
-			xrefresolv = 1;
-		}
-	}
-	return;
-
-bad:
-	diag("%s: bad or out of date archive", file);
-out:
-	close(f);
-}
-
-int
-zaddr(uchar *p, Adr *a, Sym *h[])
-{
-	int c, t, i;
-	long l;
-	Sym *s;
-	Auto *u;
-
-	t = p[0];
-
-	/*
-	 * first try the high-time formats
-	 */
-	if(t == 0) {
-		a->type = p[1];
-		return 2;
-	}
-	if(t == T_OFFSET) {
-		a->offset = p[1] | (p[2]<<8) | (p[3]<<16) | (p[4]<<24);
-		a->type = p[5];
-		return 6;
-	}
-	if(t == (T_OFFSET|T_SYM)) {
-		a->offset = p[1] | (p[2]<<8) | (p[3]<<16) | (p[4]<<24);
-		s = h[p[5]];
-		a->sym = s;
-		a->type = p[6];
-		c = 7;
-		goto dosym;
-	}
-	if(t == T_SYM) {
-		s = h[p[1]];
-		a->sym = s;
-		a->type = p[2];
-		c = 3;
-		goto dosym;
-	}
-	if(t == (T_INDEX|T_OFFSET|T_SYM)) {
-		a->displace = p[4] | (p[5]<<8) | (p[6]<<16) | (p[7]<<24);
-		a->offset = p[8] | (p[9]<<8) | (p[10]<<16) | (p[11]<<24);
-		s = h[p[12]];
-		a->sym = s;
-		a->type = p[13];
-		c = 14;
-		goto dosym;
-	}
-
-	/*
-	 * now do it the hard way
-	 */
-	c = 1;
-	if(t & T_FIELD) {
-		a->field = p[c] | (p[c+1]<<8);
-		c += 2;
-	}
-	if(t & T_INDEX) {
-		a->displace = p[c+3] | (p[c+4]<<8) | (p[c+5]<<16) | (p[c+6]<<24);
-		c += 7;
-	}
-	if(t & T_OFFSET) {
-		a->offset = p[c] | (p[c+1]<<8) | (p[c+2]<<16) | (p[c+3]<<24);
-		c += 4;
-	}
-	if(t & T_SYM) {
-		a->sym = h[p[c]];
-		c += 1;
-	}
-	if(t & T_FCONST) {
-		a->ieee.l = p[c] | (p[c+1]<<8) | (p[c+2]<<16) | (p[c+3]<<24);
-		a->ieee.h = p[c+4] | (p[c+5]<<8) | (p[c+6]<<16) | (p[c+7]<<24);
-		c += 8;
-		a->type = D_FCONST;
-	} else
-	if(t & T_SCONST) {
-		for(i=0; i<NSNAME; i++)
-			a->scon[i] = p[c+i];
-		c += NSNAME;
-		a->type = D_SCONST;
-	} else
-	if(t & T_TYPE) {
-		a->type = p[c] | (p[c+1]<<8);
-		c += 2;
-	} else {
-		a->type = p[c];
-		c++;
-	}
-	s = a->sym;
-	if(s == S)
-		return c;
-
-dosym:
-	t = a->type & D_MASK;
-	if(t != D_AUTO && t != D_PARAM)
-		return c;
-	l = a->offset;
-	for(u=curauto; u; u=u->link) {
-		if(u->asym == s)
-		if(u->type == t) {
-			if(u->aoffset > l)
-				u->aoffset = l;
-			return c;
-		}
-	}
-
-	while(nhunk < sizeof(Auto))
-		gethunk();
-	u = (Auto*)hunk;
-	nhunk -= sizeof(Auto);
-	hunk += sizeof(Auto);
-
-	u->link = curauto;
-	curauto = u;
-	u->asym = s;
-	u->aoffset = l;
-	u->type = t;
-	return c;
-}
-
-void
-addlib(char *obj)
-{
-	char name[1024], comp[256], *p;
-	int i;
-
-	if(histfrogp <= 0)
-		return;
-
-	if(histfrog[0]->name[1] == '/') {
-		sprint(name, "");
-		i = 1;
-	} else
-	if(histfrog[0]->name[1] == '.') {
-		sprint(name, ".");
-		i = 0;
-	} else {
-		if(debug['9'])
-			sprint(name, "/%s/lib", thestring);
-		else
-			sprint(name, "/usr/%clib", thechar);
-		i = 0;
-	}
-
-	for(; i<histfrogp; i++) {
-		snprint(comp, sizeof comp, histfrog[i]->name+1);
-		for(;;) {
-			p = strstr(comp, "$O");
-			if(p == 0)
-				break;
-			memmove(p+1, p+2, strlen(p+2)+1);
-			p[0] = thechar;
-		}
-		for(;;) {
-			p = strstr(comp, "$M");
-			if(p == 0)
-				break;
-			if(strlen(comp)+strlen(thestring)-2+1 >= sizeof comp) {
-				diag("library component too long");
-				return;
-			}
-			memmove(p+strlen(thestring), p+2, strlen(p+2)+1);
-			memmove(p, thestring, strlen(thestring));
-		}
-		if(strlen(name) + strlen(comp) + 3 >= sizeof(name)) {
-			diag("library component too long");
-			return;
-		}
-		strcat(name, "/");
-		strcat(name, comp);
-	}
-	for(i=0; i<libraryp; i++)
-		if(strcmp(name, library[i]) == 0)
-			return;
-	if(libraryp == nelem(library)){
-		diag("too many autolibs; skipping %s", name);
-		return;
-	}
-
-	p = malloc(strlen(name) + 1);
-	strcpy(p, name);
-	library[libraryp] = p;
-	p = malloc(strlen(obj) + 1);
-	strcpy(p, obj);
-	libraryobj[libraryp] = p;
-	libraryp++;
-}
-void
-addhist(long line, int type)
-{
-	Auto *u;
-	Sym *s;
-	int i, j, k;
-
-	u = malloc(sizeof(Auto));
-	s = malloc(sizeof(Sym));
-	s->name = malloc(2*(histfrogp+1) + 1);
-
-	u->asym = s;
-	u->type = type;
-	u->aoffset = line;
-	u->link = curhist;
-	curhist = u;
-
-	j = 1;
-	for(i=0; i<histfrogp; i++) {
-		k = histfrog[i]->value;
-		s->name[j+0] = k>>8;
-		s->name[j+1] = k;
-		j += 2;
-	}
-}
-
-void
-histtoauto(void)
-{
-	Auto *l;
-
-	while(l = curhist) {
-		curhist = l->link;
-		l->link = curauto;
-		curauto = l;
-	}
-}
-
-void
-collapsefrog(Sym *s)
-{
-	int i;
-
-	/*
-	 * bad encoding of path components only allows
-	 * MAXHIST components. if there is an overflow,
-	 * first try to collapse xxx/..
-	 */
-	for(i=1; i<histfrogp; i++)
-		if(strcmp(histfrog[i]->name+1, "..") == 0) {
-			memmove(histfrog+i-1, histfrog+i+1,
-				(histfrogp-i-1)*sizeof(histfrog[0]));
-			histfrogp--;
-			goto out;
-		}
-
-	/*
-	 * next try to collapse .
-	 */
-	for(i=0; i<histfrogp; i++)
-		if(strcmp(histfrog[i]->name+1, ".") == 0) {
-			memmove(histfrog+i, histfrog+i+1,
-				(histfrogp-i-1)*sizeof(histfrog[0]));
-			goto out;
-		}
-
-	/*
-	 * last chance, just truncate from front
-	 */
-	memmove(histfrog+0, histfrog+1,
-		(histfrogp-1)*sizeof(histfrog[0]));
-
-out:
-	histfrog[histfrogp-1] = s;
-}
-
-uchar*
-readsome(int f, uchar *buf, uchar *good, uchar *stop, int max)
-{
-	int n;
-
-	n = stop - good;
-	memmove(buf, good, stop - good);
-	stop = buf + n;
-	n = MAXIO - n;
-	if(n > max)
-		n = max;
-	n = read(f, stop, n);
-	if(n <= 0)
-		return 0;
-	return stop + n;
-}
-
-void
-ldobj(int f, long c, char *pn)
-{
-	Prog *p;
-	Sym *h[NSYM], *s;
-	int v, o, r;
-	long ipc, lv;
-	double dv;
-	uchar *bloc, *bsize, *stop;
-
-	bsize = buf.xbuf;
-	bloc = buf.xbuf;
-
-newloop:
-	memset(h, 0, sizeof(h));
-	version++;
-	histfrogp = 0;
-	ipc = pc;
-
-loop:
-	if(c <= 0)
-		goto eof;
-	r = bsize - bloc;
-	if(r < 100 && r < c) {		/* enough for largest prog */
-		bsize = readsome(f, buf.xbuf, bloc, bsize, c);
-		if(bsize == 0)
-			goto eof;
-		bloc = buf.xbuf;
-		goto loop;
-	}
-	o = bloc[0] | (bloc[1] << 8);
-	if(o <= AXXX || o >= ALAST) {
-		if(o < 0)
-			goto eof;
-		diag("%s: opcode out of range %d", pn, o);
-		print("	probably not a .%c file\n", thechar);
-		errorexit();
-	}
-
-	if(o == ANAME || o == ASIGNAME) {
-		if(o == ASIGNAME) {
-			bloc += 4;
-			c -= 4;
-		}
-		stop = memchr(&bloc[4], 0, bsize-&bloc[4]);
-		if(stop == 0){
-			bsize = readsome(f, buf.xbuf, bloc, bsize, c);
-			if(bsize == 0)
-				goto eof;
-			bloc = buf.xbuf;
-			stop = memchr(&bloc[4], 0, bsize-&bloc[4]);
-			if(stop == 0){
-				fprint(2, "%s: name too long\n", pn);
-				errorexit();
-			}
-		}
-		v = bloc[2];	/* type */
-		o = bloc[3];	/* sym */
-		bloc += 4;
-		c -= 4;
-
-		r = 0;
-		if(v == D_STATIC)
-			r = version;
-		s = lookup((char*)bloc, r);
-		c -= &stop[1] - bloc;
-		bloc = stop + 1;
-
-		if(debug['W'])
-			print("	ANAME	%s\n", s->name);
-		h[o] = s;
-		if((v == D_EXTERN || v == D_STATIC) && s->type == 0)
-			s->type = SXREF;
-		if(v == D_FILE) {
-			if(s->type != SFILE) {
-				histgen++;
-				s->type = SFILE;
-				s->value = histgen;
-			}
-			if(histfrogp < MAXHIST) {
-				histfrog[histfrogp] = s;
-				histfrogp++;
-			} else
-				collapsefrog(s);
-		}
-		goto loop;
-	}
-
-	while(nhunk < sizeof(Prog))
-		gethunk();
-	p = (Prog*)hunk;
-	nhunk -= sizeof(Prog);
-	hunk += sizeof(Prog);
-
-	p->as = o;
-	p->line = bloc[2] | (bloc[3] << 8) | (bloc[4] << 16) | (bloc[5] << 24);
-	p->back = 2;
-	r = zaddr(bloc+6, &p->from, h) + 6;
-	r += zaddr(bloc+r, &p->to, h);
-	bloc += r;
-	c -= r;
-
-	if(debug['W'])
-		print("%P\n", p);
-
-	switch(p->as) {
-	case AHISTORY:
-		if(p->to.offset == -1) {
-			addlib(pn);
-			histfrogp = 0;
-			goto loop;
-		}
-		addhist(p->line, D_FILE);		/* 'z' */
-		if(p->to.offset)
-			addhist(p->to.offset, D_FILE1);	/* 'Z' */
-		histfrogp = 0;
-		goto loop;
-
-	case AEND:
-		histtoauto();
-		if(curtext != P)
-			curtext->to.autom = curauto;
-		curauto = 0;
-		curtext = P;
-		if(c)
-			goto newloop;
-		return;
-
-	case AGLOBL:
-		s = p->from.sym;
-		if(s->type == 0 || s->type == SXREF) {
-			s->type = SBSS;
-			s->value = 0;
-		}
-		if(s->type != SBSS) {
-			diag("%s: redefinition: %s in %s",
-				pn, s->name, TNAME);
-			s->type = SBSS;
-			s->value = 0;
-		}
-		if(p->to.offset > s->value)
-			s->value = p->to.offset;
-		goto loop;
-
-	case ADATA:
-		p->link = datap;
-		datap = p;
-		ndata++;
-		goto loop;
-
-	case AGOK:
-		diag("%s: unknown opcode in %s", pn, TNAME);
-		pc++;
-		goto loop;
-
-	case ATEXT:
-		if(curtext != P) {
-			histtoauto();
-			curtext->to.autom = curauto;
-			curauto = 0;
-		}
-		curtext = p;
-		lastp->link = p;
-		lastp = p;
-		p->pc = pc;
-		s = p->from.sym;
-		if(s->type != 0 && s->type != SXREF)
-			diag("%s: redefinition: %s", pn, s->name);
-		s->type = STEXT;
-		s->value = p->pc;
-		pc++;
-		p->pcond = P;
-		if(textp == P) {
-			textp = p;
-			etextp = p;
-			goto loop;
-		}
-		etextp->pcond = p;
-		etextp = p;
-		goto loop;
-
-	case AJSR:
-		p->as = ABSR;
-
-	case ABSR:
-		if(p->to.type != D_EXTERN && p->to.type != D_STATIC)
-			p->as = AJSR;
-		goto casdef;
-
-	case AMOVL:
-	case AMOVB:
-	case AMOVW:
-		if(p->from.type != D_CONST)
-			goto casdef;
-		lv = p->from.offset;
-		if(lv >= -128 && lv < 128)
-		if(p->to.type >= D_R0 && p->to.type < D_R0+8) {
-			p->from.type = D_QUICK;
-			goto casdef;
-		}
-
-		if(lv >= -0x7fff && lv <= 0x7fff)
-		if(p->to.type >= D_A0 && p->to.type < D_A0+8)
-		if(p->as == AMOVL)
-			p->as = AMOVW;
-		goto casdef;
-
-	case AADDB:
-	case AADDL:
-	case AADDW:
-		if(p->from.type != D_CONST)
-			goto casdef;
-		lv = p->from.offset;
-		if(lv < 0) {
-			lv = -lv;
-			p->from.offset = lv;
-			if(p->as == AADDB)
-				p->as = ASUBB;
-			else
-			if(p->as == AADDW)
-				p->as = ASUBW;
-			else
-			if(p->as == AADDL)
-				p->as = ASUBL;
-		}
-		if(lv > 0)
-		if(lv <= 8)
-			p->from.type = D_QUICK;
-		goto casdef;
-
-	case ASUBB:
-	case ASUBL:
-	case ASUBW:
-		if(p->from.type != D_CONST)
-			goto casdef;
-		lv = p->from.offset;
-		if(lv < 0) {
-			lv = -lv;
-			p->from.offset = lv;
-			if(p->as == ASUBB)
-				p->as = AADDB;
-			else
-			if(p->as == ASUBW)
-				p->as = AADDW;
-			else
-			if(p->as == ASUBL)
-				p->as = AADDL;
-		}
-		if(lv > 0)
-		if(lv <= 8)
-			p->from.type = D_QUICK;
-		goto casdef;
-
-	case AROTRB:
-	case AROTRL:
-	case AROTRW:
-	case AROTLB:
-	case AROTLL:
-	case AROTLW:
-
-	case AASLB:
-	case AASLL:
-	case AASLW:
-	case AASRB:
-	case AASRL:
-	case AASRW:
-	case ALSLB:
-	case ALSLL:
-	case ALSLW:
-	case ALSRB:
-	case ALSRL:
-	case ALSRW:
-		if(p->from.type == D_CONST)
-		if(p->from.offset > 0)
-		if(p->from.offset <= 8)
-			p->from.type = D_QUICK;
-		goto casdef;
-
-	case ATSTL:
-		if(p->to.type >= D_A0 && p->to.type < D_A0+8) {
-			p->as = ACMPW;
-			p->from = p->to;
-			p->to.type = D_CONST;
-			p->to.offset = 0;
-		}
-		goto casdef;
-
-	case ACMPL:
-		if(p->to.type != D_CONST)
-			goto casdef;
-		lv = p->to.offset;
-		if(lv >= -0x7fff && lv <= 0x7fff)
-		if(p->from.type >= D_A0 && p->from.type < D_A0+8)
-			p->as = ACMPW;
-		goto casdef;
-
-	case ACLRL:
-		if(p->to.type >= D_A0 && p->to.type < D_A0+8) {
-			p->as = AMOVW;
-			p->from.type = D_CONST;
-			p->from.offset = 0;
-		}
-		goto casdef;
-
-	casdef:
-	default:
-		if(p->from.type == D_FCONST)
-		if(optab[p->as].fas != AXXX) {
-			dv = ieeedtod(&p->from.ieee);
-			if(dv >= -(1L<<30) && dv <= (1L<<30)) {
-				lv = dv;
-				if(lv == dv) {
-					p->as = optab[p->as].fas;
-					p->from.type = D_CONST;
-					p->from.offset = lv;
-					p->from.displace = 0;
-				}
-			}
-		}
-		if(p->to.type == D_BRANCH)
-			p->to.offset += ipc;
-		lastp->link = p;
-		lastp = p;
-		p->pc = pc;
-		pc++;
-		goto loop;
-	}
-	/* not reached */
-
-eof:
-	diag("%s: truncated object file in %s", pn, TNAME);
-}
-
-Sym*
-lookup(char *symb, int v)
-{
-	Sym *s;
-	char *p;
-	long h;
-	int l, c;
-
-	h = v;
-	for(p=symb; c = *p; p++)
-		h = h+h+h + c;
-	l = (p - symb) + 1;
-	if(h < 0)
-		h = ~h;
-	h %= NHASH;
-	for(s = hash[h]; s != S; s = s->link)
-		if(s->version == v)
-		if(memcmp(s->name, symb, l) == 0)
-			return s;
-
-	while(nhunk < sizeof(Sym))
-		gethunk();
-	s = (Sym*)hunk;
-	nhunk -= sizeof(Sym);
-	hunk += sizeof(Sym);
-
-	s->name = malloc(l + 1);
-	memmove(s->name, symb, l);
-
-	s->link = hash[h];
-	s->type = 0;
-	s->version = v;
-	s->value = 0;
-	hash[h] = s;
-	nsymbol++;
-	return s;
-}
-
-Prog*
-prg(void)
-{
-	Prog *p;
-
-	while(nhunk < sizeof(Prog))
-		gethunk();
-	p = (Prog*)hunk;
-	nhunk -= sizeof(Prog);
-	hunk += sizeof(Prog);
-
-	*p = zprg;
-	return p;
-}
-
-Prog*
-nprg(Prog *p)
-{
-	Prog *q;
-
-	q = prg();
-	q->line = p->line;
-	q->pc = p->pc;
-	q->stkoff = p->stkoff;
-	q->link = p->link;
-	p->link = q;
-	return q;
-}
-
-Prog*
-copyp(Prog *q)
-{
-	Prog *p;
-
-	p = prg();
-	*p = *q;
-	return p;
-}
-
-void
-gethunk(void)
-{
-	char *h;
-	long nh;
-
-	nh = NHUNK;
-	if(thunk >= 5L*NHUNK) {
-		nh = 5L*NHUNK;
-		if(thunk >= 25L*NHUNK)
-			nh = 25L*NHUNK;
-	}
-	h = mysbrk(nh);
-	if(h == (char*)-1) {
-		diag("out of memory");
-		errorexit();
-	}
-	hunk = h;
-	nhunk = nh;
-	thunk += nh;
-}
-
-void
-doprof1(void)
-{
-	Sym *s;
-	long n;
-	Prog *p, *q;
-
-	if(debug['v'])
-		Bprint(&bso, "%5.2f profile 1\n", cputime());
-	Bflush(&bso);
-	s = lookup("__mcount", 0);
-	n = 1;
-	for(p = firstp->link; p != P; p = p->link) {
-		if(p->as == ATEXT) {
-			q = prg();
-			q->as = AADDL;
-			q->line = p->line;
-			q->pc = p->pc;
-			q->link = p->link;
-			p->link = q;
-			q->from.type = D_CONST;
-			q->from.offset = 1;
-			q->to.type = D_EXTERN;
-			q->to.sym = s;
-			q->to.offset = n*4 + 4;
-
-			q = prg();
-			q->as = ADATA;
-			q->line = p->line;
-			q->link = datap;
-			datap = q;
-			q->from.type = D_EXTERN;
-			q->from.sym = s;
-			q->from.offset = n*4;
-			q->from.displace = 4;
-			q->to.type = D_EXTERN;
-			q->to.sym = p->from.sym;
-			n += 2;
-			continue;
-		}
-	}
-	q = prg();
-	q->line = 0;
-	q->as = ADATA;
-	q->link = datap;
-	datap = q;
-	q->from.type = D_EXTERN;
-	q->from.sym = s;
-	q->from.displace = 4;
-	q->to.type = D_CONST;
-	q->to.offset = n;
-	s->type = SBSS;
-	s->value = n*4;
-}
-
-void
-doprof2(void)
-{
-	Sym *s2, *s4;
-	Prog *p, *q, *ps2, *ps4;
-
-	if(debug['v'])
-		Bprint(&bso, "%5.2f profile 2\n", cputime());
-	Bflush(&bso);
-	s2 = lookup("_profin", 0);
-	s4 = lookup("_profout", 0);
-	if(s2->type != STEXT || s4->type != STEXT) {
-		diag("_profin/_profout not defined");
-		return;
-	}
-
-	ps2 = P;
-	ps4 = P;
-	for(p = firstp; p != P; p = p->link) {
-		if(p->as == ATEXT) {
-			if(p->from.sym == s2) {
-				ps2 = p;
-				p->from.displace = 1;
-			}
-			if(p->from.sym == s4) {
-				ps4 = p;
-				p->from.displace = 1;
-			}
-		}
-	}
-	for(p = firstp; p != P; p = p->link) {
-		if(p->as == ATEXT) {
-			if(p->from.displace != 0) {
-				for(;;) {
-					q = p->link;
-					if(q == P)
-						break;
-					if(q->as == ATEXT)
-						break;
-					p = q;
-				}
-				continue;
-			}
-
-			q = prg();
-			q->line = p->line;
-			q->pc = p->pc;
-			q->link = p->link;
-			p->link = q;
-			p = q;
-			p->as = ABSR;
-			p->to.type = D_BRANCH;
-			p->pcond = ps2;
-			p->to.sym = s2;
-
-			continue;
-		}
-		if(p->as == ARTS) {
-			/*
-			 * RTS
-			 */
-			q = prg();
-			q->as = ARTS;
-			q->from = p->from;
-			q->to = p->to;
-			q->link = p->link;
-			p->link = q;
-
-			/*
-			 * BSR	profout
-			 */
-			p->as = ABSR;
-			p->from = zprg.from;
-			p->to = zprg.to;
-			p->to.type = D_BRANCH;
-			p->pcond = ps4;
-			p->to.sym = s4;
-
-			p = q;
-
-			continue;
-		}
-	}
-}
-
-long
-reuse(Prog *r, Sym *s)
-{
-	Prog *p;
-
-
-	if(r == P)
-		return 0;
-	for(p = datap; p != r; p = p->link)
-		if(p->to.sym == s)
-			return p->from.offset;
-	return 0;
-}
-
-void
-nuxiinit(void)
-{
-	int i, c;
-
-	for(i=0; i<4; i++) {
-		c = find1(0x01020304L, i+1);
-		if(i >= 2)
-			inuxi2[i-2] = c;
-		if(i >= 3)
-			inuxi1[i-3] = c;
-		inuxi4[i] = c;
-		fnuxi8[i] = c+4;
-		fnuxi8[i+4] = c;
-		c = find2(0x01020304L, i+1);
-		gnuxi8[i] = c+4;
-		gnuxi8[i+4] = c;
-	}
-	if(debug['v']) {
-		Bprint(&bso, "inuxi = ");
-		for(i=0; i<1; i++)
-			Bprint(&bso, "%d", inuxi1[i]);
-		Bprint(&bso, " ");
-		for(i=0; i<2; i++)
-			Bprint(&bso, "%d", inuxi2[i]);
-		Bprint(&bso, " ");
-		for(i=0; i<4; i++)
-			Bprint(&bso, "%d", inuxi4[i]);
-		Bprint(&bso, "\n[fg]nuxi = ");
-		for(i=0; i<8; i++)
-			Bprint(&bso, "%d", fnuxi8[i]);
-		Bprint(&bso, " ");
-		for(i=0; i<8; i++)
-			Bprint(&bso, "%d", gnuxi8[i]);
-		Bprint(&bso, "\n");
-	}
-	Bflush(&bso);
-}
-
-int
-find1(long l, int c)
-{
-	char *p;
-	int i;
-
-	p = (char*)&l;
-	for(i=0; i<4; i++)
-		if(*p++ == c)
-			return i;
-	return 0;
-}
-
-int
-find2(long l, int c)
-{
-	short *p;
-	int i;
-
-	p = (short*)&l;
-	for(i=0; i<4; i+=2) {
-		if(((*p >> 8) & 0xff) == c)
-			return i;
-		if((*p++ & 0xff) == c)
-			return i+1;
-	}
-	return 0;
-}
-
-long
-ieeedtof(Ieee *e)
-{
-	int exp;
-	long v;
-
-	if(e->h == 0)
-		return 0;
-	exp = (e->h>>20) & ((1L<<11)-1L);
-	exp -= (1L<<10) - 2L;
-	v = (e->h & 0xfffffL) << 3;
-	v |= (e->l >> 29) & 0x7L;
-	if((e->l >> 28) & 1) {
-		v++;
-		if(v & 0x800000L) {
-			v = (v & 0x7fffffL) >> 1;
-			exp++;
-		}
-	}
-	if(exp <= -126 || exp >= 130)
-		diag("double fp to single fp overflow");
-	v |= ((exp + 126) & 0xffL) << 23;
-	v |= e->h & 0x80000000L;
-	return v;
-}
-
-double
-ieeedtod(Ieee *ieeep)
-{
-	Ieee e;
-	double fr;
-	int exp;
-
-	if(ieeep->h & (1L<<31)) {
-		e.h = ieeep->h & ~(1L<<31);
-		e.l = ieeep->l;
-		return -ieeedtod(&e);
-	}
-	if(ieeep->l == 0 && ieeep->h == 0)
-		return 0;
-	fr = ieeep->l & ((1L<<16)-1L);
-	fr /= 1L<<16;
-	fr += (ieeep->l>>16) & ((1L<<16)-1L);
-	fr /= 1L<<16;
-	fr += (ieeep->h & (1L<<20)-1L) | (1L<<20);
-	fr /= 1L<<21;
-	exp = (ieeep->h>>20) & ((1L<<11)-1L);
-	exp -= (1L<<10) - 2L;
-	return ldexp(fr, exp);
-}