usr/src/cmd/c/c2.h

/*
 * Header for object code improver
 */

#include <stdio.h>

#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
#define LSIZE   512

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

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

char    line[LSIZE];
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;
int     lastseg;
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  node *nonlab();
char    *copy();
char    *sbrk();
char    *findcon();
struct  node *insertl();
struct  node *codemove();
char    *sbrk();
char    *alloc();