[unix-history] / usr / src / cmd / c2 / c2.h

/* @(#)c2.h 1.13 78/09/23 16:37:28 */
/*
 * Header for object code improver
 */

#define	JBR	1
#define	CBR	2
#define	JMP	3
#define	LABEL	4
#define	DLABEL	5
#define	EROU	7
#define	JSW	9
#define	MOV	10
#define	CLR	11
#define	INC	12
#define	DEC	13
#define	TST	14
#define	PUSH	15
#define CVT 16
#define	CMP	17
#define	ADD	18
#define	SUB	19
#define	BIT	20
#define	BIC	21
#define	BIS	22
#define	XOR	23
#define	COM	24
#define	NEG	25
#define	MUL	26
#define	DIV	27
#define	ASH	28
#define EXTV	29
#define EXTZV	30
#define INSV	31
#define	CALLS	32
#define RET	33
#define	CASE	34
#define	SOB	35
#define	TEXT	36
#define	DATA	37
#define	BSS	38
#define	ALIGN	39
#define	END	40
#define MOVZ 41
#define WGEN 42
#define SOBGEQ 43
#define SOBGTR 44
#define AOBLEQ 45
#define AOBLSS 46
#define ACB 47
#define MOVA 48
#define PUSHA 49
#define LGEN 50
#define SET 51

#define	JEQ	0
#define	JNE	1
#define	JLE	2
#define	JGE	3
#define	JLT	4
#define	JGT	5
/* rearranged for unsigned branches so that jxxu = jxx + 6 */
#define	JLOS	8
#define	JHIS	9
#define	JLO	10
#define	JHI	11

#define JBC 12
#define JBS 13
#define JLBC 14
#define JLBS 15
#define JBCC 16
#define JBSC 17
#define JBCS 18
#define JBSS 19

#define	BYTE	1
#define	WORD	2
#define LONG	3
#define	FLOAT	4
#define	DOUBLE	5
#define QUAD	6
#define OP2	7
#define OP3	8
#define OPB 9
#define OPX 10

#define T(a,b) (a|((b)<<8))
#define U(a,b) (a|((b)<<4))

struct optab {
	char	opstring[7];
	short	opcode;
} optab[];

struct node {
	char	op;
	char	subop;
	short	refc;
	struct	node	*forw;
	struct	node	*back;
	struct	node	*ref;
	char	*code;
	struct	optab	*pop;
	short	labno;
	short	seq;
};

struct {
	short	combop;
};

char	line[512];
struct	node	first;
char	*curlp;
int	nbrbr;
int	nsaddr;
int	redunm;
int	iaftbr;
int	njp1;
int	nrlab;
int	nxjump;
int	ncmot;
int	nrevbr;
int	loopiv;
int	nredunj;
int	nskip;
int	ncomj;
int	nsob;
int	nrtst;
int nbj;
int nfield;

int	nchange;
int	isn;
int	debug;
char	*lasta;
char	*lastr;
char	*firstr;
char	revbr[];
#define	NREG	12
char	*regs[NREG+5]; /* 0-11, 4 for operands, 1 for running off end */
char	conloc[20];
char	conval[20];
char	ccloc[20];

#define	RT1	12
#define	RT2	13
#define RT3 14
#define RT4 15
#define	LABHS	127

struct { char lbyte; };

char *copy();
long getnum();
struct node *codemove();
struct node *insertl();
struct node *nonlab();
Commit	Line	Data
f101f434 TL	1	/* @(#)c2.h 1.13 78/09/23 16:37:28 */
	2	/*
	3	* Header for object code improver
	4	*/
	5
	6	#define JBR 1
	7	#define CBR 2
	8	#define JMP 3
	9	#define LABEL 4
	10	#define DLABEL 5
	11	#define EROU 7
	12	#define JSW 9
	13	#define MOV 10
	14	#define CLR 11
	15	#define INC 12
	16	#define DEC 13
	17	#define TST 14
	18	#define PUSH 15
	19	#define CVT 16
	20	#define CMP 17
	21	#define ADD 18
	22	#define SUB 19
	23	#define BIT 20
	24	#define BIC 21
	25	#define BIS 22
	26	#define XOR 23
	27	#define COM 24
	28	#define NEG 25
	29	#define MUL 26
	30	#define DIV 27
	31	#define ASH 28
	32	#define EXTV 29
	33	#define EXTZV 30
	34	#define INSV 31
	35	#define CALLS 32
	36	#define RET 33
	37	#define CASE 34
	38	#define SOB 35
	39	#define TEXT 36
	40	#define DATA 37
	41	#define BSS 38
	42	#define ALIGN 39
	43	#define END 40
	44	#define MOVZ 41
	45	#define WGEN 42
	46	#define SOBGEQ 43
	47	#define SOBGTR 44
	48	#define AOBLEQ 45
	49	#define AOBLSS 46
	50	#define ACB 47
	51	#define MOVA 48
	52	#define PUSHA 49
	53	#define LGEN 50
	54	#define SET 51
	55
	56	#define JEQ 0
	57	#define JNE 1
	58	#define JLE 2
	59	#define JGE 3
	60	#define JLT 4
	61	#define JGT 5
	62	/* rearranged for unsigned branches so that jxxu = jxx + 6 */
	63	#define JLOS 8
	64	#define JHIS 9
65	#define JLO 10
66	#define JHI 11
67
68	#define JBC 12
69	#define JBS 13
70	#define JLBC 14
71	#define JLBS 15
72	#define JBCC 16
73	#define JBSC 17
74	#define JBCS 18
75	#define JBSS 19
76
77	#define BYTE 1
78	#define WORD 2
79	#define LONG 3
80	#define FLOAT 4
81	#define DOUBLE 5
82	#define QUAD 6
83	#define OP2 7
84	#define OP3 8
85	#define OPB 9
86	#define OPX 10
87
88	#define T(a,b) (a\|((b)<<8))
89	#define U(a,b) (a\|((b)<<4))
90
91	struct optab {
92	char opstring[7];
93	short opcode;
94	} optab[];
95
96	struct node {
97	char op;
98	char subop;
99	short refc;
100	struct node *forw;
101	struct node *back;
102	struct node *ref;
103	char *code;
104	struct optab *pop;
105	short labno;
106	short seq;
107	};
108
109	struct {
110	short combop;
111	};
112
113	char line[512];
114	struct node first;
115	char *curlp;
116	int nbrbr;
117	int nsaddr;
118	int redunm;
119	int iaftbr;
120	int njp1;
121	int nrlab;
122	int nxjump;
123	int ncmot;
124	int nrevbr;
125	int loopiv;
126	int nredunj;
127	int nskip;
128	int ncomj;
129	int nsob;
130	int nrtst;
131	int nbj;
132	int nfield;
133
134	int nchange;
135	int isn;
136	int debug;
137	char *lasta;
138	char *lastr;
139	char *firstr;
140	char revbr[];
141	#define NREG 12
142	char regs[NREG+5]; / 0-11, 4 for operands, 1 for running off end */
143	char conloc[20];
144	char conval[20];
145	char ccloc[20];
146
147	#define RT1 12
148	#define RT2 13
149	#define RT3 14
150	#define RT4 15
151	#define LABHS 127
152
153	struct { char lbyte; };
154
155	char *copy();
156	long getnum();
157	struct node *codemove();
158	struct node *insertl();
159	struct node *nonlab();