[unix-history] / usr / src / cmd / as / as.h

#
/* %Z%%M% %R%.%L% %D% %T% */
#define readonly
#define	NINST	300
#define	NSYM	3000
#define	NHASH	(NSYM+1)
#define	NLOC	4		/* number of location ctrs */
#define	NCPS	8

/*
 * Symbol types
 */
#define	XUNDEF	0x0
#define	XABS	0x2
#define	XTEXT	0x4
#define	XDATA	0x6
#define	XBSS	0x8
#define	XDATAO	0xA
#define	XBSSO	0xC
#define	XTEXTO	0xE
#define	XABSO	0x10
#define	XUNDEFO	0x12

#define	XTXRN	0xA
#define	XXTRN	0x1
#define	XTYPE	0x1E

#define	XFORW	0x20	/* Was forward-referenced when undefined */

#define	ERR	(-1)
#define	NBPW	32

#define	AMASK	017

/*
 * Actual argument syntax types
 */
#define AREG	1	/* %r */
#define ABASE	2	/* (%r) */
#define ADECR	3	/* -(%r) */
#define AINCR	4	/* (%r)+ */
#define ADISP	5	/* expr(%r) */
#define AEXP	6	/* expr */
#define AIMM	7	/* $ expr */
#define ASTAR	8	/* * */
#define AINDX	16	/* [%r] */

/*
 * Argument access types
 */
#define ACCA	(8<<3)	/* address only */
#define ACCR	(1<<3)	/* read */
#define ACCW	(2<<3)	/* write */
#define ACCM	(3<<3)	/* modify */
#define ACCB	(4<<3)	/* branch displacement */
#define ACCI	(5<<3)	/* XFC code */

/*
 * Argument data types
 */
#define TYPB	0	/* byte */
#define TYPW	1	/* word */
#define TYPL	2	/* long */
#define TYPQ	3	/* quad */
#define TYPF	4	/* floating */
#define TYPD	5	/* double floating */

#define TYPMASK 7

/* reference types for loader */
#define PCREL 1
#define LEN1 2
#define LEN2 4
#define LEN4 6
#define LEN8 8

#define	TMPC	7
#define	HW	01
#define	FW	03
#define	DW	07

#define	PAGRND	0x1FFL

#define	round(x,y)	(((x)+(y)) & ~(y))

#define	STABTYPS	0340

struct	symtab {
	char	name[NCPS];
	char	type;
	char	tag;
	short	index;
	long	value;
	char	ptype;
	char	other;
	short	desc;
};

struct	instab {
	char	name[NCPS];
	char	opcode; /* must have same offset as symtab.type */
	char	tag;	/* yacc-coded nargs (INST0, ...) or token # (IALIGN, ...) */
	char	nargs;
	char	argtyp[6];
};

struct	arg {
	char	atype;
	char	areg1;
	char	areg2;
	struct	exp *xp;
};

struct	exp {
	char	xtype;
	char	xloc;
	long	xvalue;
	long	yvalue;		/* 2nd half of double floating */
	struct	symtab *xname;
};

struct	hdr {
	long	magic;
	long	tsize;
	long	dsize;
	long	bsize;
	long	ssize;
	long	entry;
	long	trsize;
	long	drsize;
};

struct	symtab	*symtab;
struct	symtab	*hshtab[NHASH];
struct	arg	arglist[6];
struct	exp	explist[20];
extern	int	lineno;
extern	int	hshused;
extern	int	usrname;
extern	int lclname;
extern	struct	symtab *nextsym;
extern	struct	exp	usedot[NLOC+NLOC];
extern	FILE	*usefile[NLOC+NLOC];
extern	FILE	*rusefile[NLOC+NLOC];
extern	char	*tmpn2;
extern	char	*tmpn3;
extern	struct	exp	*dotp;
extern	int	loctr;
extern	long	tsize;
extern	long	dsize;
extern	long	datbase;
extern	int	bitoff;
extern	long	bitfield;
extern	char	yytext[NCPS+2];
extern	FILE	*txtfil;
extern	FILE	*tmpfil;
extern	FILE	*relfil;
extern	int	passno;
extern	int	argcnt;
extern	int	anyerrs;
extern	int	*brptr;
struct	instab	*itab[NINST];
struct	instab	instab[];
int	curlen;
int	gindex;
int	orgwarn;
struct	symtab	**lookup();
struct	exp	*combine();
Commit	Line	Data
99803149 TL	1	#
	2	/* %Z%%M% %R%.%L% %D% %T% */
	3	#define readonly
	4	#define NINST 300
	5	#define NSYM 3000
	6	#define NHASH (NSYM+1)
	7	#define NLOC 4 /* number of location ctrs */
	8	#define NCPS 8
	9
	10	/*
	11	* Symbol types
	12	*/
	13	#define XUNDEF 0x0
	14	#define XABS 0x2
	15	#define XTEXT 0x4
	16	#define XDATA 0x6
	17	#define XBSS 0x8
	18	#define XDATAO 0xA
	19	#define XBSSO 0xC
	20	#define XTEXTO 0xE
	21	#define XABSO 0x10
	22	#define XUNDEFO 0x12
	23
	24	#define XTXRN 0xA
	25	#define XXTRN 0x1
	26	#define XTYPE 0x1E
	27
	28	#define XFORW 0x20 /* Was forward-referenced when undefined */
	29
	30	#define ERR (-1)
	31	#define NBPW 32
	32
	33	#define AMASK 017
	34
	35	/*
	36	* Actual argument syntax types
	37	*/
	38	#define AREG 1 /* %r */
	39	#define ABASE 2 /* (%r) */
	40	#define ADECR 3 /* -(%r) */
	41	#define AINCR 4 /* (%r)+ */
	42	#define ADISP 5 /* expr(%r) */
	43	#define AEXP 6 /* expr */
	44	#define AIMM 7 /* $ expr */
	45	#define ASTAR 8 /* * */
	46	#define AINDX 16 /* [%r] */
	47
	48	/*
	49	* Argument access types
	50	*/
	51	#define ACCA (8<<3) /* address only */
	52	#define ACCR (1<<3) /* read */
	53	#define ACCW (2<<3) /* write */
	54	#define ACCM (3<<3) /* modify */
	55	#define ACCB (4<<3) /* branch displacement */
	56	#define ACCI (5<<3) /* XFC code */
	57
	58	/*
	59	* Argument data types
	60	*/
	61	#define TYPB 0 /* byte */
	62	#define TYPW 1 /* word */
	63	#define TYPL 2 /* long */
	64	#define TYPQ 3 /* quad */
65	#define TYPF 4 /* floating */
66	#define TYPD 5 /* double floating */
67
68	#define TYPMASK 7
69
70	/* reference types for loader */
71	#define PCREL 1
72	#define LEN1 2
73	#define LEN2 4
74	#define LEN4 6
75	#define LEN8 8
76
77	#define TMPC 7
78	#define HW 01
79	#define FW 03
80	#define DW 07
81
82	#define PAGRND 0x1FFL
83
84	#define round(x,y) (((x)+(y)) & ~(y))
85
86	#define STABTYPS 0340
87
88	struct symtab {
89	char name[NCPS];
90	char type;
91	char tag;
92	short index;
93	long value;
94	char ptype;
95	char other;
96	short desc;
97	};
98
99	struct instab {
100	char name[NCPS];
101	char opcode; /* must have same offset as symtab.type */
102	char tag; /* yacc-coded nargs (INST0, ...) or token # (IALIGN, ...) */
103	char nargs;
104	char argtyp[6];
105	};
106
107	struct arg {
108	char atype;
109	char areg1;
110	char areg2;
111	struct exp *xp;
112	};
113
114	struct exp {
115	char xtype;
116	char xloc;
117	long xvalue;
118	long yvalue; /* 2nd half of double floating */
119	struct symtab *xname;
120	};
121
122	struct hdr {
123	long magic;
124	long tsize;
125	long dsize;
126	long bsize;
127	long ssize;
128	long entry;
129	long trsize;
130	long drsize;
131	};
132
133	struct symtab *symtab;
134	struct symtab *hshtab[NHASH];
135	struct arg arglist[6];
136	struct exp explist[20];
137	extern int lineno;
138	extern int hshused;
139	extern int usrname;
140	extern int lclname;
141	extern struct symtab *nextsym;
142	extern struct exp usedot[NLOC+NLOC];
143	extern FILE *usefile[NLOC+NLOC];
144	extern FILE *rusefile[NLOC+NLOC];
145	extern char *tmpn2;
146	extern char *tmpn3;
147	extern struct exp *dotp;
148	extern int loctr;
149	extern long tsize;
150	extern long dsize;
151	extern long datbase;
152	extern int bitoff;
153	extern long bitfield;
154	extern char yytext[NCPS+2];
155	extern FILE *txtfil;
156	extern FILE *tmpfil;
157	extern FILE *relfil;
158	extern int passno;
159	extern int argcnt;
160	extern int anyerrs;
161	extern int *brptr;
162	struct instab *itab[NINST];
163	struct instab instab[];
164	int curlen;
165	int gindex;
166	int orgwarn;
167	struct symtab **lookup();
168	struct exp *combine();