[unix-history] / .ref-Research-V6 / usr / source / c / c2h.c

/*
 * 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	COM	12
#define	INC	13
#define	DEC	14
#define	NEG	15
#define	TST	16
#define	ASR	17
#define	ASL	18
#define	SXT	19
#define	CMP	20
#define	ADD	21
#define	SUB	22
#define	BIT	23
#define	BIC	24
#define	BIS	25
#define	MUL	26
#define	DIV	27
#define	ASH	28
#define	XOR	29
#define	TEXT	30
#define	DATA	31
#define	BSS	32
#define	EVEN	33
#define	MOVF	34
#define	MOVOF	35
#define	MOVFO	36
#define	ADDF	37
#define	SUBF	38
#define	DIVF	39
#define	MULF	40
#define	CLRF	41
#define	CMPF	42
#define	NEGF	43
#define	TSTF	44
#define	CFCC	45
#define	SOB	46
#define	JSR	47
#define	END	48

#define	JEQ	0
#define	JNE	1
#define	JLE	2
#define	JGE	3
#define	JLT	4
#define	JGT	5
#define	JLO	6
#define	JHI	7
#define	JLOS	8
#define	JHIS	9

#define	BYTE	100

struct node {
	char	op;
	char	subop;
	struct	node	*forw;
	struct	node	*back;
	struct	node	*ref;
	int	labno;
	char	*code;
	int	refc;
};

struct {
	int	combop;
};

struct optab {
	char	*opstring;
	int	opcode;
} optab[];

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	nlit;

int	nchange;
int	isn;
int	debug;
char	*lasta;
char	*lastr;
char	*firstr;
char	revbr[];
char	regs[12][20];
char	conloc[20];
char	conval[20];
char	ccloc[20];

#define	RT1	10
#define	RT2	11
#define	FREG	5
#define	NREG	5
#define	LABHS	127
#define	OPHS	57

struct optab *ophash[OPHS];
struct { char lbyte; };
Commit	Line	Data
cac4f7ea DR	1	/*
	2	* Header for object code improver
	3	*/
	4
	5	#define JBR 1
	6	#define CBR 2
	7	#define JMP 3
	8	#define LABEL 4
	9	#define DLABEL 5
	10	#define EROU 7
	11	#define JSW 9
	12	#define MOV 10
	13	#define CLR 11
	14	#define COM 12
	15	#define INC 13
	16	#define DEC 14
	17	#define NEG 15
	18	#define TST 16
	19	#define ASR 17
	20	#define ASL 18
	21	#define SXT 19
	22	#define CMP 20
	23	#define ADD 21
	24	#define SUB 22
	25	#define BIT 23
	26	#define BIC 24
	27	#define BIS 25
	28	#define MUL 26
	29	#define DIV 27
	30	#define ASH 28
	31	#define XOR 29
	32	#define TEXT 30
	33	#define DATA 31
	34	#define BSS 32
	35	#define EVEN 33
	36	#define MOVF 34
	37	#define MOVOF 35
	38	#define MOVFO 36
	39	#define ADDF 37
	40	#define SUBF 38
	41	#define DIVF 39
	42	#define MULF 40
	43	#define CLRF 41
	44	#define CMPF 42
	45	#define NEGF 43
	46	#define TSTF 44
	47	#define CFCC 45
	48	#define SOB 46
	49	#define JSR 47
	50	#define END 48
	51
	52	#define JEQ 0
	53	#define JNE 1
	54	#define JLE 2
	55	#define JGE 3
	56	#define JLT 4
	57	#define JGT 5
	58	#define JLO 6
	59	#define JHI 7
	60	#define JLOS 8
	61	#define JHIS 9
	62
	63	#define BYTE 100
	64
65	struct node {
66	char op;
67	char subop;
68	struct node *forw;
69	struct node *back;
70	struct node *ref;
71	int labno;
72	char *code;
73	int refc;
74	};
75
76	struct {
77	int combop;
78	};
79
80	struct optab {
81	char *opstring;
82	int opcode;
83	} optab[];
84
85	char line[512];
86	struct node first;
87	char *curlp;
88	int nbrbr;
89	int nsaddr;
90	int redunm;
91	int iaftbr;
92	int njp1;
93	int nrlab;
94	int nxjump;
95	int ncmot;
96	int nrevbr;
97	int loopiv;
98	int nredunj;
99	int nskip;
100	int ncomj;
101	int nsob;
102	int nrtst;
103	int nlit;
104
105	int nchange;
106	int isn;
107	int debug;
108	char *lasta;
109	char *lastr;
110	char *firstr;
111	char revbr[];
112	char regs[12][20];
113	char conloc[20];
114	char conval[20];
115	char ccloc[20];
116
117	#define RT1 10
118	#define RT2 11
119	#define FREG 5
120	#define NREG 5
121	#define LABHS 127
122	#define OPHS 57
123
124	struct optab *ophash[OPHS];
125	struct { char lbyte; };