107 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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|  *
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|  *          This product is part of the Amsterdam Compiler Kit.
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|  *
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|  * Permission to use, sell, duplicate or disclose this software must be
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|  * obtained in writing. Requests for such permissions may be sent to
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|  *
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|  *      Dr. Andrew S. Tanenbaum
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|  *      Wiskundig Seminarium
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|  *      Vrije Universiteit
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|  *      Postbox 7161
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|  *      1007 MC Amsterdam
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|  *      The Netherlands
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|  *
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|  */
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| 
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| /*
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|  * machine dependent back end routines for the z8000
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|  */
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| 
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| con_part(sz,w) register sz; word w; {
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| 
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| 	while (part_size % sz)
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| 		part_size++;
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| 	if (part_size == TEM_WSIZE)
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| 		part_flush();
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| 	if (sz == 1) {
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| 		w &= 0xFF;
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| 		if (part_size == 0)
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| 			w <<= 8;
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| 		part_word |= w;
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| 	} else {
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| 		assert(sz == 2);
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| 		part_word = w;
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| 	}
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| 	part_size += sz;
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| }
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| 
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| con_mult(sz) word sz; {
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| 
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| 	if (sz != 4)
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| 		fatal("bad icon/ucon size");
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| 	fprintf(codefile,"\t.long %s\n", str);
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| }
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| 
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| con_float() {
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| 
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| static int been_here;
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| 	if (argval != 4 && argval != 8)
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| 		fatal("bad fcon size");
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| 	fprintf(codefile,"\t.long ");
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| 	if (argval == 8)
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| 		fprintf(codefile,"F_DUM, ");
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| 	fprintf(codefile,"F_DUM\n");
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| 	if ( !been_here++)
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| 	{
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| 	fprintf(stderr,"Warning : dummy float-constant(s)\n");
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| 	}
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| }
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| 
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| /*
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| 
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| string holstr(n) word n; {
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| 
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| 	sprintf(str,hol_off,n,holno);
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| 	return(mystrcpy(str));
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| }
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| */
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| 
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| prolog(nlocals) full nlocals; {
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| 
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| 	fprintf(codefile,"\tpush\t*RR14, R13\n\tld\tR13, R15\n");
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| 	if (nlocals == 0)
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| 		return;
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| 	else
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| 		fprintf(codefile,"\tsub\tR15, $%d\n",nlocals);
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| }
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| 
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| mes(type) word type ; {
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| 	int argt ;
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| 
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| 	switch ( (int)type ) {
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| 	case ms_ext :
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| 		for (;;) {
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| 			switch ( argt=getarg(
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| 			    ptyp(sp_cend)|ptyp(sp_pnam)|sym_ptyp) ) {
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| 			case sp_cend :
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| 				return ;
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| 			default:
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| 				strarg(argt) ;
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| 				printf(".define %s\n",argstr) ;
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| 				break ;
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| 			}
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| 		}
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| 	default :
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| 		while ( getarg(any_ptyp) != sp_cend ) ;
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| 		break ;
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| 	}
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| }
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| 
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| char    *segname[] = {
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| 	".text",        /* SEGTXT */
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| 	".data",        /* SEGCON */
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| 	".data",        /* SEGROM */
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| 	".bss"          /* SEGBSS */
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| };
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