Import sources from 2011-03-30 iso image

1 files changed, 347 insertions, 0 deletions

diff --git a/sys/src/cmd/8l/l.h b/sys/src/cmd/8l/l.h
new file mode 100755
index 000000000..28b0bb404
--- /dev/null
+++ b/sys/src/cmd/8l/l.h
@@ -0,0 +1,347 @@
+#include	<u.h>
+#include	<libc.h>
+#include	<bio.h>
+#include	"../8c/8.out.h"
+
+#ifndef	EXTERN
+#define	EXTERN	extern
+#endif
+
+#define	P		((Prog*)0)
+#define	S		((Sym*)0)
+#define	TNAME		(curtext?curtext->from.sym->name:noname)
+
+#define	cput(c)\
+	{ *cbp++ = c;\
+	if(--cbc <= 0)\
+		cflush(); }
+
+typedef	struct	Adr	Adr;
+typedef	struct	Prog	Prog;
+typedef	struct	Sym	Sym;
+typedef	struct	Auto	Auto;
+typedef	struct	Optab	Optab;
+
+struct	Adr
+{
+	union
+	{
+		long	u0offset;
+		char	u0scon[8];
+		Prog	*u0cond;	/* not used, but should be D_BRANCH */
+		Ieee	u0ieee;
+	} u0;
+	union
+	{
+		Auto*	u1autom;
+		Sym*	u1sym;
+	} u1;
+	short	type;
+	char	index;
+	char	scale;
+};
+
+#define	offset	u0.u0offset
+#define	scon	u0.u0scon
+#define	cond	u0.u0cond
+#define	ieee	u0.u0ieee
+
+#define	autom	u1.u1autom
+#define	sym	u1.u1sym
+
+struct	Prog
+{
+	Adr	from;
+	Adr	to;
+	Prog	*forwd;
+	Prog*	link;
+	Prog*	pcond;	/* work on this */
+	long	pc;
+	long	line;
+	uchar	mark;	/* work on these */
+	uchar	back;
+
+	short	as;
+	char	width;		/* fake for DATA */
+};
+struct	Auto
+{
+	Sym*	asym;
+	Auto*	link;
+	long	aoffset;
+	short	type;
+};
+struct	Sym
+{
+	char	*name;
+	short	type;
+	short	version;
+	short	become;
+	short	frame;
+	uchar	subtype;
+	ushort	file;
+	long	value;
+	long	sig;
+	Sym*	link;
+};
+struct	Optab
+{
+	short	as;
+	uchar*	ytab;
+	uchar	prefix;
+	uchar	op[10];
+};
+
+enum
+{
+	STEXT		= 1,
+	SDATA,
+	SBSS,
+	SDATA1,
+	SXREF,
+	SFILE,
+	SCONST,
+	SUNDEF,
+
+	SIMPORT,
+	SEXPORT,
+
+	NHASH		= 10007,
+	NHUNK		= 100000,
+	MINSIZ		= 4,
+	STRINGSZ	= 200,
+	MINLC		= 1,
+	MAXIO		= 8192,
+	MAXHIST		= 20,				/* limit of path elements for history symbols */
+
+	Yxxx		= 0,
+	Ynone,
+	Yi0,
+	Yi1,
+	Yi8,
+	Yi32,
+	Yiauto,
+	Yal,
+	Ycl,
+	Yax,
+	Ycx,
+	Yrb,
+	Yrl,
+	Yrf,
+	Yf0,
+	Yrx,
+	Ymb,
+	Yml,
+	Ym,
+	Ybr,
+	Ycol,
+
+	Ycs,	Yss,	Yds,	Yes,	Yfs,	Ygs,
+	Ygdtr,	Yidtr,	Yldtr,	Ymsw,	Ytask,
+	Ycr0,	Ycr1,	Ycr2,	Ycr3,	Ycr4,	Ycr5,	Ycr6,	Ycr7,
+	Ydr0,	Ydr1,	Ydr2,	Ydr3,	Ydr4,	Ydr5,	Ydr6,	Ydr7,
+	Ytr0,	Ytr1,	Ytr2,	Ytr3,	Ytr4,	Ytr5,	Ytr6,	Ytr7,
+	Ymax,
+
+	Zxxx		= 0,
+
+	Zlit,
+	Z_rp,
+	Zbr,
+	Zcall,
+	Zib_,
+	Zib_rp,
+	Zibo_m,
+	Zil_,
+	Zil_rp,
+	Zilo_m,
+	Zjmp,
+	Zloop,
+	Zm_o,
+	Zm_r,
+	Zaut_r,
+	Zo_m,
+	Zpseudo,
+	Zr_m,
+	Zrp_,
+	Z_ib,
+	Z_il,
+	Zm_ibo,
+	Zm_ilo,
+	Zib_rr,
+	Zil_rr,
+	Zclr,
+	Zbyte,
+	Zmov,
+	Zmax,
+
+	Px		= 0,
+	Pe		= 0x66,	/* operand escape */
+	Pm		= 0x0f,	/* 2byte opcode escape */
+	Pq		= 0xff,	/* both escape */
+	Pb		= 0xfe,	/* byte operands */
+
+	Roffset	= 22,		/* no. bits for offset in relocation address */
+	Rindex	= 10,		/* no. bits for index in relocation address */
+};
+
+EXTERN union
+{
+	struct
+	{
+		char	obuf[MAXIO];			/* output buffer */
+		uchar	ibuf[MAXIO];			/* input buffer */
+	} u;
+	char	dbuf[1];
+} buf;
+
+#define	cbuf	u.obuf
+#define	xbuf	u.ibuf
+
+#pragma	varargck	type	"A"	int
+#pragma	varargck	type	"A"	uint
+#pragma	varargck	type	"D"	Adr*
+#pragma	varargck	type	"P"	Prog*
+#pragma	varargck	type	"R"	int
+#pragma	varargck	type	"S"	char*
+
+#pragma	varargck	argpos	diag 1
+
+EXTERN	long	HEADR;
+EXTERN	long	HEADTYPE;
+EXTERN	long	INITDAT;
+EXTERN	long	INITRND;
+EXTERN	long	INITTEXT;
+EXTERN	char*	INITENTRY;		/* entry point */
+EXTERN	Biobuf	bso;
+EXTERN	long	bsssize;
+EXTERN	long	casepc;
+EXTERN	int	cbc;
+EXTERN	char*	cbp;
+EXTERN	char*	pcstr;
+EXTERN	int	cout;
+EXTERN	Auto*	curauto;
+EXTERN	Auto*	curhist;
+EXTERN	Prog*	curp;
+EXTERN	Prog*	curtext;
+EXTERN	Prog*	datap;
+EXTERN	Prog*	edatap;
+EXTERN	long	datsize;
+EXTERN	char	debug[128];
+EXTERN	char	literal[32];
+EXTERN	Prog*	etextp;
+EXTERN	Prog*	firstp;
+EXTERN	char	fnuxi8[8];
+EXTERN	char	fnuxi4[4];
+EXTERN	Sym*	hash[NHASH];
+EXTERN	Sym*	histfrog[MAXHIST];
+EXTERN	int	histfrogp;
+EXTERN	int	histgen;
+EXTERN	char*	library[50];
+EXTERN	char*	libraryobj[50];
+EXTERN	int	libraryp;
+EXTERN	int	xrefresolv;
+EXTERN	char*	hunk;
+EXTERN	char	inuxi1[1];
+EXTERN	char	inuxi2[2];
+EXTERN	char	inuxi4[4];
+EXTERN	char	ycover[Ymax*Ymax];
+EXTERN	uchar*	andptr;
+EXTERN	uchar	and[30];
+EXTERN	char	reg[D_NONE];
+EXTERN	Prog*	lastp;
+EXTERN	long	lcsize;
+EXTERN	int	nerrors;
+EXTERN	long	nhunk;
+EXTERN	long	nsymbol;
+EXTERN	char*	noname;
+EXTERN	char*	outfile;
+EXTERN	long	pc;
+EXTERN	long	spsize;
+EXTERN	Sym*	symlist;
+EXTERN	long	symsize;
+EXTERN	Prog*	textp;
+EXTERN	long	textsize;
+EXTERN	long	thunk;
+EXTERN	int	version;
+EXTERN	Prog	zprg;
+EXTERN	int	dtype;
+
+EXTERN	Adr*	reloca;
+EXTERN	int	doexp, dlm;
+EXTERN	int	imports, nimports;
+EXTERN	int	exports, nexports;
+EXTERN	char*	EXPTAB;
+EXTERN	Prog	undefp;
+
+#define	UP	(&undefp)
+
+extern	Optab	optab[];
+extern	char*	anames[];
+
+int	Aconv(Fmt*);
+int	Dconv(Fmt*);
+int	Pconv(Fmt*);
+int	Rconv(Fmt*);
+int	Sconv(Fmt*);
+void	addhist(long, int);
+Prog*	appendp(Prog*);
+void	asmb(void);
+void	asmdyn(void);
+void	asmins(Prog*);
+void	asmlc(void);
+void	asmsp(void);
+void	asmsym(void);
+long	atolwhex(char*);
+Prog*	brchain(Prog*);
+Prog*	brloop(Prog*);
+void	cflush(void);
+void	ckoff(Sym*, long);
+Prog*	copyp(Prog*);
+double	cputime(void);
+void	datblk(long, long);
+void	diag(char*, ...);
+void	dodata(void);
+void	doinit(void);
+void	doprof1(void);
+void	doprof2(void);
+void	dostkoff(void);
+void	dynreloc(Sym*, ulong, int);
+long	entryvalue(void);
+void	errorexit(void);
+void	export(void);
+int	find1(long, int);
+int	find2(long, int);
+void	follow(void);
+void	gethunk(void);
+void	histtoauto(void);
+double	ieeedtod(Ieee*);
+long	ieeedtof(Ieee*);
+void	import(void);
+void	ldobj(int, long, char*);
+void	loadlib(void);
+void	listinit(void);
+Sym*	lookup(char*, int);
+void	lput(long);
+void	lputl(long);
+void	main(int, char*[]);
+void	mkfwd(void);
+void*	mysbrk(ulong);
+void	nuxiinit(void);
+void	objfile(char*);
+int	opsize(Prog*);
+void	patch(void);
+Prog*	prg(void);
+void	readundefs(char*, int);
+int	relinv(int);
+long	reuse(Prog*, Sym*);
+long	rnd(long, long);
+void	span(void);
+void	undef(void);
+void	undefsym(Sym*);
+long	vaddr(Adr*);
+void	wput(ushort);
+void	xdefine(char*, int, long);
+void	xfol(Prog*);
+int	zaddr(uchar*, Adr*, Sym*[]);
+void	zerosig(char*);