mirror of
https://github.com/SEPPDROID/Digital-Research-Source-Code.git
synced 2025-10-23 08:24:18 +00:00
241 lines
6.3 KiB
C
241 lines
6.3 KiB
C
/*
|
|
Copyright 1983
|
|
Alcyon Corporation
|
|
8716 Production Ave.
|
|
San Diego, Ca. 92121
|
|
|
|
@(#)cgen.h 1.7 12/28/83
|
|
*/
|
|
|
|
#ifndef DECC
|
|
# include "../icode.h"
|
|
#else
|
|
/* ICODE equivilent to icode.h, vprintf printf for vax/vms */
|
|
# include "ICODE"
|
|
# define printf vprintf
|
|
# define VAX11
|
|
#endif
|
|
|
|
#ifdef WHITE
|
|
# include <stdio.h>
|
|
# include <klib.h>
|
|
# undef putchar
|
|
# define putchar xputchar
|
|
# undef ferror
|
|
# define ferror xferror
|
|
# define printf xprintf
|
|
#endif
|
|
|
|
#define QUICKVAL 8
|
|
#define LEP 14
|
|
#define FORCC 1
|
|
#define FOREFF 2
|
|
#define FORSTACK 3
|
|
#define FORCREG 4
|
|
#define FORSP 5
|
|
#define FORREG 4
|
|
#define HICREG 2
|
|
#define NCREGS 3
|
|
#define AREGLO 8
|
|
#define NOTLOFFSET 0
|
|
|
|
/*tcopy + outaexpr flags - generate prefix operators, postfix operators*/
|
|
#define A_DOPRE 1
|
|
#define A_DOPOST 2
|
|
#define A_DOIMMED 4
|
|
#define A_NOIMMED 0
|
|
|
|
#define STDERR 2
|
|
#define PATHSIZE 128
|
|
|
|
char brtab[][2];
|
|
short invrel[];
|
|
short swaprel[];
|
|
char *strtab[];
|
|
|
|
/*operator tree node for unary and binary operators*/
|
|
struct tnode {
|
|
short t_op; /*operator*/
|
|
short t_type; /*data type of result*/
|
|
short t_su; /*Sethy-Ullman number*/
|
|
short t_ssp;
|
|
struct tnode *t_left; /*left sub-tree*/
|
|
struct tnode *t_right; /*right sub-tree (undefined if unary)*/
|
|
};
|
|
|
|
/*constant terminal node*/
|
|
struct conode {
|
|
short t_op; /*operator*/
|
|
short t_type; /*type*/
|
|
short t_su; /*Sethy-Ullman number*/
|
|
short t_ssp;
|
|
short t_value; /*value or label number*/
|
|
};
|
|
|
|
/*long constant terminal node*/
|
|
struct lconode {
|
|
short t_op; /*operator*/
|
|
short t_type; /*type*/
|
|
short t_su; /*Sethy-Ullman number*/
|
|
short t_ssp;
|
|
long t_lvalue; /*value or label number*/
|
|
};
|
|
|
|
/*local symbol terminal node*/
|
|
struct symnode {
|
|
short t_op; /*operator*/
|
|
short t_type; /*symbol data type*/
|
|
short t_su; /*Sethy-Ullman number*/
|
|
short t_ssp;
|
|
short t_sc; /*storage class*/
|
|
long t_offset; /*register offset*/
|
|
short t_reg; /*register number*/
|
|
short t_label; /*label number if static*/
|
|
};
|
|
|
|
/*external symbol reference node*/
|
|
struct extnode {
|
|
short t_op; /*operator*/
|
|
short t_type; /*symbol data type*/
|
|
short t_su; /*Sethy-Ullman number*/
|
|
short t_ssp;
|
|
short t_sc; /*storage class*/
|
|
long t_offset; /*register offset*/
|
|
short t_reg; /*register number*/
|
|
char t_symbol[SSIZE]; /*symbol name*/
|
|
};
|
|
|
|
/*68000 special - indexed symbol node*/
|
|
/*this is used to generate a An(off,Xn.type) address*/
|
|
struct indexnode {
|
|
short t_op;
|
|
short t_type;
|
|
short t_su;
|
|
short t_ssp;
|
|
short t_sc;
|
|
long t_offset; /* [vlh] 4.3, was a short !!! */
|
|
short t_reg;
|
|
short t_xreg;
|
|
short t_xtype;
|
|
};
|
|
|
|
/* io buffer declaration */
|
|
#define BSIZE 512
|
|
struct iob {
|
|
int fd;
|
|
int cc;
|
|
char *cp;
|
|
char cbuf[BSIZE];
|
|
} ibuf, lbuf, obuf;
|
|
|
|
/* Code generation argument flags */
|
|
short dflag;
|
|
short mflag;
|
|
short cflag;
|
|
short eflag;
|
|
short fflag;
|
|
short oflag;
|
|
short lflag;
|
|
short m68010; /* [vlh] 4.2, differentiate between chip destination */
|
|
|
|
/* Miscellaneous variables */
|
|
short lineno;
|
|
short errcnt;
|
|
short opinfo[];
|
|
short nextlabel;
|
|
char optab[][6];
|
|
char *mnemonics[];
|
|
char *codeskels[];
|
|
short stacksize;
|
|
|
|
/* general define macros */
|
|
#define WALLIGN(add) ((add+1)&(~1))
|
|
#define ISARRAY(type) ((type&SUPTYP)==ARRAY)
|
|
#define ISFUNCTION(type) ((type&SUPTYP)==FUNCTION)
|
|
#define ISPOINTER(type) ((type&SUPTYP)==POINTER)
|
|
#define NOTARRAY(type) ((type&SUPTYP)!=ARRAY)
|
|
#define NOTFUNCTION(type) ((type&SUPTYP)!=FUNCTION)
|
|
#define NOTPOINTER(type) ((type&SUPTYP)!=POINTER)
|
|
#define ISFLOAT(type) (type==FLOAT)
|
|
#define BTYPE(type) (type&TYPE)
|
|
#define SUPTYPE(type) (type&SUPTYP)
|
|
#define ISALLTYPE(type) (type&(SUPTYP|TYPE))
|
|
#define ISASGOP(op) ((opinfo[op]&OPASSIGN)!=0)
|
|
#define RELOP(op) ((opinfo[op]&OPREL)!=0)
|
|
#define LINTEGRAL(op) ((opinfo[op]&OPLWORD)!=0)
|
|
#define RINTEGRAL(op) ((opinfo[op]&OPRWORD)!=0)
|
|
#define RASOP(op) ((opinfo[op]&OPRAS)!=0)
|
|
#define BINOP(op) ((opinfo[op]&OPBIN)!=0)
|
|
#define UNARYOP(op) ((opinfo[op]&(OPBIN|OPTERM))==0)
|
|
#define LEAFOP(op) ((opinfo[op]&OPTERM)!=0)
|
|
#define NOTLEAFOP(op) ((opinfo[op]&OPTERM)==0)
|
|
#define LVALOP(op) ((opinfo[op]&OPLVAL)!=0)
|
|
#define OPPRIORITY(op) (opinfo[op]&OPPRI)
|
|
#define COMMOP(op) ((opinfo[op]&OPCOM)!=0)
|
|
#define CONVOP(op) ((opinfo[op]&OPCONVS)!=0)
|
|
#define NOTCONVOP(op) ((opinfo[op]&OPCONVS)==0)
|
|
#define MAX(a,b) (a>b?a:b)
|
|
#define MIN(a,b) (a<b?a:b)
|
|
|
|
/* one line routines turned into defines [vlh] for speed */
|
|
|
|
/*outgoto - output "bra L[labno]"*/
|
|
#define OUTGOTO(lab) if (lab>0) printf("bra L%d\n",lab)
|
|
/*outlab - output "L[labno]:"*/
|
|
#define OUTLAB(lab) if (lab>0) printf("L%d:",lab)
|
|
|
|
/*outext - output register sign extension*/
|
|
#define OUTEXT(reg) printf("ext.l R%d\n",reg)
|
|
/*outuext - output unsigned to long register extension*/
|
|
#define OUTUEXT(reg) printf("swap R%d\nclr R%d\nswap R%d\n",reg,reg,reg)
|
|
/*outswap - output swap register instruction*/
|
|
#define OUTSWAP(reg) printf("swap R%d\n",reg)
|
|
/*outaddr - output "add [type] R1 R2" instruction*/
|
|
#define OUTADDR(r1,r2,tp) outrr("add",r1,r2,(tp))
|
|
/*outccsave - ouput instruction to move cc's to register*/
|
|
#define OUTSRSAVE(reg) printf("move sr,R%d\n",reg)
|
|
#define OUTCCSAVE(reg) printf("move ccr,R%d\n",reg)
|
|
/*outccrestore - output instruction to restore cc's from register*/
|
|
#define OUTCCRESTORE(reg) printf("move R%d,ccr\n",reg)
|
|
/*basetype - get the btype info sans unsigned*/
|
|
#define BASETYPE(type) ((type==UNSIGNED) ? INT : type)
|
|
#define UNSIGN(type) ((type) == UNSIGNED)
|
|
#define LONGORPTR(type) (type==LONG || (type&SUPTYP))
|
|
#define UNORPTR(type) (type==UNSIGNED || (type&SUPTYP))
|
|
#define DREG(reg) ((reg) & (~AREGLO))
|
|
#define AREG(reg) ((reg) | AREGLO)
|
|
#define ISAREG(reg) ((reg) >= AREGLO)
|
|
#define ISDREG(reg) ((reg) < AREGLO)
|
|
#define ISREG(tp) ((tp)->t_op == SYMBOL && (tp)->t_sc == REGISTER)
|
|
|
|
#define CONSTZERO(ltyp,p) ((ltyp && !p->t_lvalue) || (!ltyp && !p->t_value))
|
|
#define SETVAL(ltyp,p,val) if (ltyp) p->t_lvalue = val; else p->t_value = val
|
|
|
|
#ifdef DEBUG
|
|
# define PUTEXPR(cond,id_str,node_ptr) if (cond) putexpr(id_str,node_ptr)
|
|
#else
|
|
# define PUTEXPR(cond,id_str,node_ptr)
|
|
#endif
|
|
|
|
/* Functions pre-declared */
|
|
char *tnalloc();
|
|
char *snalloc();
|
|
char *cenalloc();
|
|
char *xnalloc();
|
|
char *talloc();
|
|
char *cnalloc();
|
|
char *lcnalloc();
|
|
char *fpcnalloc();
|
|
char *canon();
|
|
char *commute();
|
|
char *constant();
|
|
char *match();
|
|
char *addptree();
|
|
char *fixbfield();
|
|
char *coffset();
|
|
char *tcopy();
|
|
char *fixptree();
|
|
long readlong();
|
|
short readshort();
|
|
|