1 /* Disassemble h8300 instructions.
2    Copyright (C) 1993-2021 Free Software Foundation, Inc.
3 
4    This file is part of the GNU opcodes library.
5 
6    This library is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 3, or (at your option)
9    any later version.
10 
11    It is distributed in the hope that it will be useful, but WITHOUT
12    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14    License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19    MA 02110-1301, USA.  */
20 
21 #define DEFINE_TABLE
22 
23 #include "sysdep.h"
24 #define h8_opcodes h8ops
25 #include "opcode/h8300.h"
26 #include "disassemble.h"
27 #include "opintl.h"
28 #include "libiberty.h"
29 
30 struct h8_instruction
31 {
32   unsigned int length;
33   const struct h8_opcode *opcode;
34 };
35 
36 struct h8_instruction *h8_instructions;
37 
38 /* Run through the opcodes and sort them into order to make them easy
39    to disassemble.  */
40 
41 static void
bfd_h8_disassemble_init(void)42 bfd_h8_disassemble_init (void)
43 {
44   unsigned int i;
45   unsigned int nopcodes;
46   const struct h8_opcode *p;
47   struct h8_instruction *pi;
48 
49   nopcodes = sizeof (h8_opcodes) / sizeof (struct h8_opcode);
50 
51   h8_instructions = xmalloc (nopcodes * sizeof (struct h8_instruction));
52 
53   for (p = h8_opcodes, pi = h8_instructions; p->name; p++, pi++)
54     {
55       /* Just make sure there are an even number of nibbles in it, and
56 	 that the count is the same as the length.  */
57       for (i = 0; p->data.nib[i] != (op_type) E; i++)
58 	;
59       OPCODES_ASSERT (!(i & 1));
60 
61       pi->length = i / 2;
62       pi->opcode = p;
63     }
64 
65   /* Add entry for the NULL vector terminator.  */
66   pi->length = 0;
67   pi->opcode = p;
68 }
69 
70 static void
extract_immediate(FILE * stream,op_type looking_for,int thisnib,unsigned char * data,int * cst,int * len,const struct h8_opcode * q)71 extract_immediate (FILE *stream,
72 		   op_type looking_for,
73 		   int thisnib,
74 		   unsigned char *data,
75 		   int *cst,
76 		   int *len,
77 		   const struct h8_opcode *q)
78 {
79   switch (looking_for & SIZE)
80     {
81     case L_2:
82       *len = 2;
83       *cst = thisnib & 3;
84 
85       /* DISP2 special treatment.  */
86       if ((looking_for & MODE) == DISP)
87 	{
88 	  if (OP_KIND (q->how) == O_MOVAB
89 	      || OP_KIND (q->how) == O_MOVAW
90 	      || OP_KIND (q->how) == O_MOVAL)
91 	    {
92 	      /* Handling for mova insn.  */
93 	      switch (q->args.nib[0] & MODE)
94 		{
95 		case INDEXB:
96 		default:
97 		  break;
98 		case INDEXW:
99 		  *cst *= 2;
100 		  break;
101 		case INDEXL:
102 		  *cst *= 4;
103 		  break;
104 		}
105 	    }
106 	  else
107 	    {
108 	      /* Handling for non-mova insn.  */
109 	      switch (OP_SIZE (q->how))
110 		{
111 		default: break;
112 		case SW:
113 		  *cst *= 2;
114 		  break;
115 		case SL:
116 		  *cst *= 4;
117 		  break;
118 		}
119 	    }
120 	}
121       break;
122     case L_8:
123       *len = 8;
124       *cst = data[0];
125       break;
126     case L_16:
127     case L_16U:
128       *len = 16;
129       *cst = (data[0] << 8) + data [1];
130 #if 0
131       if ((looking_for & SIZE) == L_16)
132 	*cst = (short) *cst;	/* Sign extend.  */
133 #endif
134       break;
135     case L_32:
136       *len = 32;
137       *cst = (((unsigned) data[0] << 24) + (data[1] << 16)
138 	      + (data[2] << 8) + data[3]);
139       break;
140     default:
141       *len = 0;
142       *cst = 0;
143       fprintf (stream, "DISP bad size\n");
144       break;
145     }
146 }
147 
148 static const char *regnames[] =
149 {
150   "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
151   "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"
152 };
153 static const char *wregnames[] =
154 {
155   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
156   "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
157 };
158 static const char *lregnames[] =
159 {
160   "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
161   "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
162 };
163 static const char *cregnames[] =
164 {
165   "ccr", "exr", "mach", "macl", "", "", "vbr", "sbr"
166 };
167 
168 static void
print_one_arg(disassemble_info * info,bfd_vma addr,op_type x,int cst,int cstlen,int rdisp_n,int rn,const char ** pregnames,int len)169 print_one_arg (disassemble_info *info,
170 	       bfd_vma addr,
171 	       op_type x,
172 	       int cst,
173 	       int cstlen,
174 	       int rdisp_n,
175 	       int rn,
176 	       const char **pregnames,
177 	       int len)
178 {
179   void * stream = info->stream;
180   fprintf_ftype outfn = info->fprintf_func;
181 
182   if ((x & SIZE) == L_3 || (x & SIZE) == L_3NZ)
183     outfn (stream, "#0x%x", (unsigned) cst);
184   else if ((x & MODE) == IMM)
185     outfn (stream, "#0x%x", (unsigned) cst);
186   else if ((x & MODE) == DBIT || (x & MODE) == KBIT)
187     outfn (stream, "#%d", (unsigned) cst);
188   else if ((x & MODE) == CONST_2)
189     outfn (stream, "#2");
190   else if ((x & MODE) == CONST_4)
191     outfn (stream, "#4");
192   else if ((x & MODE) == CONST_8)
193     outfn (stream, "#8");
194   else if ((x & MODE) == CONST_16)
195     outfn (stream, "#16");
196   else if ((x & MODE) == REG)
197     {
198       switch (x & SIZE)
199 	{
200 	case L_8:
201 	  outfn (stream, "%s", regnames[rn]);
202 	  break;
203 	case L_16:
204 	case L_16U:
205 	  outfn (stream, "%s", wregnames[rn]);
206 	  break;
207 	case L_P:
208 	case L_32:
209 	  outfn (stream, "%s", lregnames[rn]);
210 	  break;
211 	}
212     }
213   else if ((x & MODE) == LOWREG)
214     {
215       switch (x & SIZE)
216 	{
217 	case L_8:
218 	  /* Always take low half of reg.  */
219 	  outfn (stream, "%s.b", regnames[rn < 8 ? rn + 8 : rn]);
220 	  break;
221 	case L_16:
222 	case L_16U:
223 	  /* Always take low half of reg.  */
224 	  outfn (stream, "%s.w", wregnames[rn < 8 ? rn : rn - 8]);
225 	  break;
226 	case L_P:
227 	case L_32:
228 	  outfn (stream, "%s.l", lregnames[rn]);
229 	  break;
230 	}
231     }
232   else if ((x & MODE) == POSTINC)
233     outfn (stream, "@%s+", pregnames[rn]);
234 
235   else if ((x & MODE) == POSTDEC)
236     outfn (stream, "@%s-", pregnames[rn]);
237 
238   else if ((x & MODE) == PREINC)
239     outfn (stream, "@+%s", pregnames[rn]);
240 
241   else if ((x & MODE) == PREDEC)
242     outfn (stream, "@-%s", pregnames[rn]);
243 
244   else if ((x & MODE) == IND)
245     outfn (stream, "@%s", pregnames[rn]);
246 
247   else if ((x & MODE) == ABS || (x & ABSJMP))
248     outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
249 
250   else if ((x & MODE) == MEMIND)
251     outfn (stream, "@@%d (0x%x)", cst, cst);
252 
253   else if ((x & MODE) == VECIND)
254     {
255       /* FIXME Multiplier should be 2 or 4, depending on processor mode,
256 	 by which is meant "normal" vs. "middle", "advanced", "maximum".  */
257 
258       int offset = (cst + 0x80) * 4;
259       outfn (stream, "@@%d (0x%x)", offset, offset);
260     }
261   else if ((x & MODE) == PCREL)
262     {
263       if ((x & SIZE) == L_16 ||
264 	  (x & SIZE) == L_16U)
265 	{
266 	  outfn (stream, ".%s%d (0x%lx)",
267 		   (short) cst > 0 ? "+" : "",
268 		   (short) cst,
269 		   (long)(addr + (short) cst + len));
270 	}
271       else
272 	{
273 	  outfn (stream, ".%s%d (0x%lx)",
274 		   (char) cst > 0 ? "+" : "",
275 		   (char) cst,
276 		   (long)(addr + (char) cst + len));
277 	}
278     }
279   else if ((x & MODE) == DISP)
280     outfn (stream, "@(0x%x:%d,%s)", cst, cstlen, pregnames[rdisp_n]);
281 
282   else if ((x & MODE) == INDEXB)
283     /* Always take low half of reg.  */
284     outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen,
285 	   regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]);
286 
287   else if ((x & MODE) == INDEXW)
288     /* Always take low half of reg.  */
289     outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen,
290 	   wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]);
291 
292   else if ((x & MODE) == INDEXL)
293     outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, lregnames[rdisp_n]);
294 
295   else if (x & CTRL)
296     outfn (stream, "%s", cregnames[rn]);
297 
298   else if ((x & MODE) == CCR)
299     outfn (stream, "ccr");
300 
301   else if ((x & MODE) == EXR)
302     outfn (stream, "exr");
303 
304   else if ((x & MODE) == MACREG)
305     outfn (stream, "mac%c", cst ? 'l' : 'h');
306 
307   else
308     /* xgettext:c-format */
309     outfn (stream, _("Hmmmm 0x%x"), x);
310 }
311 
312 static unsigned int
bfd_h8_disassemble(bfd_vma addr,disassemble_info * info,int mach)313 bfd_h8_disassemble (bfd_vma addr, disassemble_info *info, int mach)
314 {
315   /* Find the first entry in the table for this opcode.  */
316   int regno[3] = { 0, 0, 0 };
317   int dispregno[3] = { 0, 0, 0 };
318   int cst[3] = { 0, 0, 0 };
319   int cstlen[3] = { 0, 0, 0 };
320   static bool init = 0;
321   const struct h8_instruction *qi;
322   char const **pregnames = mach != 0 ? lregnames : wregnames;
323   int status;
324   unsigned int maxlen;
325   unsigned char data[MAX_CODE_NIBBLES / 2];
326   void *stream = info->stream;
327   fprintf_ftype outfn = info->fprintf_func;
328 
329   if (!init)
330     {
331       bfd_h8_disassemble_init ();
332       init = 1;
333     }
334 
335   status = info->read_memory_func (addr, data, 2, info);
336   if (status != 0)
337     {
338       info->memory_error_func (status, addr, info);
339       return -1;
340     }
341 
342   for (maxlen = 2; maxlen < sizeof (data); maxlen += 2)
343     {
344       status = info->read_memory_func (addr + maxlen, data + maxlen, 2, info);
345       if (status != 0)
346 	break;
347     }
348 
349   /* Find the exact opcode/arg combo.  */
350   for (qi = h8_instructions; qi->opcode->name; qi++)
351     {
352       const struct h8_opcode *q;
353       const op_type *nib;
354       unsigned int len;
355       op_type looking_for;
356 
357       if (qi->length > maxlen)
358 	continue;
359 
360       q = qi->opcode;
361       nib = q->data.nib;
362       len = 0;
363       while ((looking_for = *nib) != (op_type) E)
364 	{
365 	  int thisnib;
366 	  int opnr;
367 
368 	  OPCODES_ASSERT (len / 2 < maxlen);
369 	  thisnib = data[len / 2];
370 	  thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf);
371 	  opnr = ((looking_for & OP3) == OP3 ? 2
372 		  : (looking_for & DST) == DST ? 1 : 0);
373 
374 	  if (looking_for < 16 && looking_for >= 0)
375 	    {
376 	      if (looking_for != thisnib)
377 		goto fail;
378 	    }
379 	  else
380 	    {
381 	      if ((int) looking_for & (int) B31)
382 		{
383 		  if (!((thisnib & 0x8) != 0))
384 		    goto fail;
385 
386 		  looking_for = (op_type) ((int) looking_for & ~(int) B31);
387 		  thisnib &= 0x7;
388 		}
389 	      else if ((int) looking_for & (int) B30)
390 		{
391 		  if (!((thisnib & 0x8) == 0))
392 		    goto fail;
393 
394 		  looking_for = (op_type) ((int) looking_for & ~(int) B30);
395 		}
396 
397 	      if ((int) looking_for & (int) B21)
398 		{
399 		  if (!((thisnib & 0x4) != 0))
400 		    goto fail;
401 
402 		  looking_for = (op_type) ((int) looking_for & ~(int) B21);
403 		  thisnib &= 0xb;
404 		}
405 	      else if ((int) looking_for & (int) B20)
406 		{
407 		  if (!((thisnib & 0x4) == 0))
408 		    goto fail;
409 
410 		  looking_for = (op_type) ((int) looking_for & ~(int) B20);
411 		}
412 	      if ((int) looking_for & (int) B11)
413 		{
414 		  if (!((thisnib & 0x2) != 0))
415 		    goto fail;
416 
417 		  looking_for = (op_type) ((int) looking_for & ~(int) B11);
418 		  thisnib &= 0xd;
419 		}
420 	      else if ((int) looking_for & (int) B10)
421 		{
422 		  if (!((thisnib & 0x2) == 0))
423 		    goto fail;
424 
425 		  looking_for = (op_type) ((int) looking_for & ~(int) B10);
426 		}
427 
428 	      if ((int) looking_for & (int) B01)
429 		{
430 		  if (!((thisnib & 0x1) != 0))
431 		    goto fail;
432 
433 		  looking_for = (op_type) ((int) looking_for & ~(int) B01);
434 		  thisnib &= 0xe;
435 		}
436 	      else if ((int) looking_for & (int) B00)
437 		{
438 		  if (!((thisnib & 0x1) == 0))
439 		    goto fail;
440 
441 		  looking_for = (op_type) ((int) looking_for & ~(int) B00);
442 		}
443 
444 	      if (looking_for & IGNORE)
445 		{
446 		  /* Hitachi has declared that IGNORE must be zero.  */
447 		  if (thisnib != 0)
448 		    goto fail;
449 		}
450 	      else if ((looking_for & MODE) == DATA)
451 		{
452 		  ;			/* Skip embedded data.  */
453 		}
454 	      else if ((looking_for & MODE) == DBIT)
455 		{
456 		  /* Exclude adds/subs by looking at bit 0 and 2, and
457                      make sure the operand size, either w or l,
458                      matches by looking at bit 1.  */
459 		  if ((looking_for & 7) != (thisnib & 7))
460 		    goto fail;
461 
462 		  cst[opnr] = (thisnib & 0x8) ? 2 : 1;
463 		}
464 	      else if ((looking_for & MODE) == DISP
465 		       || (looking_for & MODE) == ABS
466 		       || (looking_for & MODE) == PCREL
467 		       || (looking_for & MODE) == INDEXB
468 		       || (looking_for & MODE) == INDEXW
469 		       || (looking_for & MODE) == INDEXL)
470 		{
471 		  int extra;
472 		  switch (looking_for & SIZE)
473 		    {
474 		    case L_16:
475 		    case L_16U:
476 		      extra = 1;
477 		      break;
478 		    case L_32:
479 		      extra = 3;
480 		      break;
481 		    default:
482 		      extra = 0;
483 		      break;
484 		    }
485 		  OPCODES_ASSERT (len / 2 + extra < maxlen);
486 		  extract_immediate (stream, looking_for, thisnib,
487 				     data + len / 2, cst + opnr,
488 				     cstlen + opnr, q);
489 		  /* Even address == bra, odd == bra/s.  */
490 		  if (q->how == O (O_BRAS, SB))
491 		    cst[opnr] -= 1;
492 		}
493 	      else if ((looking_for & MODE) == REG
494 		       || (looking_for & MODE) == LOWREG
495 		       || (looking_for & MODE) == IND
496 		       || (looking_for & MODE) == PREINC
497 		       || (looking_for & MODE) == POSTINC
498 		       || (looking_for & MODE) == PREDEC
499 		       || (looking_for & MODE) == POSTDEC)
500 		{
501 		  regno[opnr] = thisnib;
502 		}
503 	      else if (looking_for & CTRL)	/* Control Register.  */
504 		{
505 		  thisnib &= 7;
506 		  if (((looking_for & MODE) == CCR  && (thisnib != C_CCR))
507 		      || ((looking_for & MODE) == EXR  && (thisnib != C_EXR))
508 		      || ((looking_for & MODE) == MACH && (thisnib != C_MACH))
509 		      || ((looking_for & MODE) == MACL && (thisnib != C_MACL))
510 		      || ((looking_for & MODE) == VBR  && (thisnib != C_VBR))
511 		      || ((looking_for & MODE) == SBR  && (thisnib != C_SBR)))
512 		    goto fail;
513 		  if (((looking_for & MODE) == CCR_EXR
514 		       && (thisnib != C_CCR && thisnib != C_EXR))
515 		      || ((looking_for & MODE) == VBR_SBR
516 			  && (thisnib != C_VBR && thisnib != C_SBR))
517 		      || ((looking_for & MODE) == MACREG
518 			  && (thisnib != C_MACH && thisnib != C_MACL)))
519 		    goto fail;
520 		  if (((looking_for & MODE) == CC_EX_VB_SB
521 		       && (thisnib != C_CCR && thisnib != C_EXR
522 			   && thisnib != C_VBR && thisnib != C_SBR)))
523 		    goto fail;
524 
525 		  regno[opnr] = thisnib;
526 		}
527 	      else if ((looking_for & SIZE) == L_5)
528 		{
529 		  cst[opnr] = data[len / 2] & 31;
530 		  cstlen[opnr] = 5;
531 		}
532 	      else if ((looking_for & SIZE) == L_4)
533 		{
534 		  cst[opnr] = thisnib;
535 		  cstlen[opnr] = 4;
536 		}
537 	      else if ((looking_for & SIZE) == L_16
538 		       || (looking_for & SIZE) == L_16U)
539 		{
540 		  OPCODES_ASSERT (len / 2 + 1 < maxlen);
541 		  cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
542 		  cstlen[opnr] = 16;
543 		}
544 	      else if ((looking_for & MODE) == MEMIND)
545 		{
546 		  cst[opnr] = data[1];
547 		}
548 	      else if ((looking_for & MODE) == VECIND)
549 		{
550 		  cst[opnr] = data[1] & 0x7f;
551 		}
552 	      else if ((looking_for & SIZE) == L_32)
553 		{
554 		  unsigned int i = len / 2;
555 
556 		  OPCODES_ASSERT (i + 3 < maxlen);
557 		  cst[opnr] = (((unsigned) data[i] << 24)
558 			       | (data[i + 1] << 16)
559 			       | (data[i + 2] << 8)
560 			       | (data[i + 3]));
561 
562 		  cstlen[opnr] = 32;
563 		}
564 	      else if ((looking_for & SIZE) == L_24)
565 		{
566 		  unsigned int i = len / 2;
567 
568 		  OPCODES_ASSERT (i + 2 < maxlen);
569 		  cst[opnr] =
570 		    (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
571 		  cstlen[opnr] = 24;
572 		}
573 	      else if (looking_for & DISPREG)
574 		{
575 		  dispregno[opnr] = thisnib & 7;
576 		}
577 	      else if ((looking_for & MODE) == KBIT)
578 		{
579 		  switch (thisnib)
580 		    {
581 		    case 9:
582 		      cst[opnr] = 4;
583 		      break;
584 		    case 8:
585 		      cst[opnr] = 2;
586 		      break;
587 		    case 0:
588 		      cst[opnr] = 1;
589 		      break;
590 		    default:
591 		      goto fail;
592 		    }
593 		}
594 	      else if ((looking_for & SIZE) == L_8)
595 		{
596 		  cstlen[opnr] = 8;
597 		  cst[opnr] = data[len / 2];
598 		}
599 	      else if ((looking_for & SIZE) == L_3
600 		       || (looking_for & SIZE) == L_3NZ)
601 		{
602 		  cst[opnr] = thisnib & 0x7;
603 		  if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ)
604 		    goto fail;
605 		}
606 	      else if ((looking_for & SIZE) == L_2)
607 		{
608 		  cstlen[opnr] = 2;
609 		  cst[opnr] = thisnib & 0x3;
610 		}
611 	      else if ((looking_for & MODE) == MACREG)
612 		{
613 		  cst[opnr] = (thisnib == 3);
614 		}
615 	      else
616 		/* xgettext:c-format */
617 		outfn (stream, _("Don't understand 0x%x \n"), looking_for);
618 	    }
619 
620 	  len++;
621 	  nib++;
622 	}
623 
624       outfn (stream, "%s\t", q->name);
625 
626       /* Gross.  Disgusting.  */
627       if (strcmp (q->name, "ldm.l") == 0)
628 	{
629 	  int count, high;
630 
631 	  count = (data[1] / 16) & 0x3;
632 	  high = regno[1];
633 
634 	  outfn (stream, "@sp+,er%d-er%d", high - count, high);
635 	  return qi->length;
636 	}
637 
638       if (strcmp (q->name, "stm.l") == 0)
639 	{
640 	  int count, low;
641 
642 	  count = (data[1] / 16) & 0x3;
643 	  low = regno[0];
644 
645 	  outfn (stream, "er%d-er%d,@-sp", low, low + count);
646 	  return qi->length;
647 	}
648       if (strcmp (q->name, "rte/l") == 0
649 	  || strcmp (q->name, "rts/l") == 0)
650 	{
651 	  if (regno[0] == 0)
652 	    outfn (stream, "er%d", regno[1]);
653 	  else
654 	    outfn (stream, "er%d-er%d", regno[1] - regno[0],
655 		   regno[1]);
656 	  return qi->length;
657 	}
658       if (startswith (q->name, "mova"))
659 	{
660 	  const op_type *args = q->args.nib;
661 
662 	  if (args[1] == (op_type) E)
663 	    {
664 	      /* Short form.  */
665 	      print_one_arg (info, addr, args[0], cst[0],
666 			     cstlen[0], dispregno[0], regno[0],
667 			     pregnames, qi->length);
668 	      outfn (stream, ",er%d", dispregno[0]);
669 	    }
670 	  else
671 	    {
672 	      outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]);
673 	      print_one_arg (info, addr, args[1], cst[1],
674 			     cstlen[1], dispregno[1], regno[1],
675 			     pregnames, qi->length);
676 	      outfn (stream, ".%c),",
677 		     (args[0] & MODE) == INDEXB ? 'b' : 'w');
678 	      print_one_arg (info, addr, args[2], cst[2],
679 			     cstlen[2], dispregno[2], regno[2],
680 			     pregnames, qi->length);
681 	    }
682 	  return qi->length;
683 	}
684       /* Fill in the args.  */
685       {
686 	const op_type *args = q->args.nib;
687 	int hadone = 0;
688 	int nargs;
689 
690 	/* Special case handling for the adds and subs instructions
691 	   since in H8 mode thay can only take the r0-r7 registers
692 	   but in other (higher) modes they can take the er0-er7
693 	   registers as well.  */
694 	if (strcmp (qi->opcode->name, "adds") == 0
695 	    || strcmp (qi->opcode->name, "subs") == 0)
696 	  {
697 	    outfn (stream, "#%d,%s", cst[0], pregnames[regno[1] & 0x7]);
698 	    return qi->length;
699 	  }
700 
701 	for (nargs = 0;
702 	     nargs < 3 && args[nargs] != (op_type) E;
703 	     nargs++)
704 	  {
705 	    int x = args[nargs];
706 
707 	    if (hadone)
708 	      outfn (stream, ",");
709 
710 	    print_one_arg (info, addr, x,
711 			   cst[nargs], cstlen[nargs],
712 			   dispregno[nargs], regno[nargs],
713 			   pregnames, qi->length);
714 
715 	    hadone = 1;
716 	  }
717       }
718       return qi->length;
719 
720     fail:
721       ;
722     }
723 
724   /* Fell off the end.  */
725   outfn (stream, ".word\tH'%x,H'%x", data[0], data[1]);
726   return 2;
727 }
728 
729 int
print_insn_h8300(bfd_vma addr,disassemble_info * info)730 print_insn_h8300 (bfd_vma addr, disassemble_info *info)
731 {
732   return bfd_h8_disassemble (addr, info, 0);
733 }
734 
735 int
print_insn_h8300h(bfd_vma addr,disassemble_info * info)736 print_insn_h8300h (bfd_vma addr, disassemble_info *info)
737 {
738   return bfd_h8_disassemble (addr, info, 1);
739 }
740 
741 int
print_insn_h8300s(bfd_vma addr,disassemble_info * info)742 print_insn_h8300s (bfd_vma addr, disassemble_info *info)
743 {
744   return bfd_h8_disassemble (addr, info, 2);
745 }
746