usr/src/cmd/c2/c2.h

/*static        char sccsid[] = "@(#)c2.h 4.2 10/17/80";*/
/* @(#)c2.h 1.19 80/08/26 13:39:07 */
/*
 * 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 MOVC3 52
#define RSB 53
#define JSB 54
#define MFPR 55
#define MTPR 56
#define PROBER 57
#define PROBEW 58
#define LCOMM 59
#define COMM 60

#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;
        long    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();