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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [opcodes/] [h8300-dis.c] - Blame information for rev 853

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1 227 jeremybenn
/* Disassemble h8300 instructions.
2
   Copyright 1993, 1994, 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
3
   2007  Free Software Foundation, Inc.
4
 
5
   This file is part of the GNU opcodes library.
6
 
7
   This library is free software; you can redistribute it and/or modify
8
   it under the terms of the GNU General Public License as published by
9
   the Free Software Foundation; either version 3, or (at your option)
10
   any later version.
11
 
12
   It is distributed in the hope that it will be useful, but WITHOUT
13
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
15
   License for more details.
16
 
17
   You should have received a copy of the GNU General Public License
18
   along with this program; if not, write to the Free Software
19
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20
   MA 02110-1301, USA.  */
21
 
22
#define DEFINE_TABLE
23
 
24
#include "sysdep.h"
25
#define h8_opcodes h8ops
26
#include "opcode/h8300.h"
27
#include "dis-asm.h"
28
#include "opintl.h"
29
#include "libiberty.h"
30
 
31
struct h8_instruction
32
{
33
  int length;
34
  const struct h8_opcode *opcode;
35
};
36
 
37
struct h8_instruction *h8_instructions;
38
 
39
/* Run through the opcodes and sort them into order to make them easy
40
   to disassemble.  */
41
 
42
static void
43
bfd_h8_disassemble_init (void)
44
{
45
  unsigned int i;
46
  unsigned int nopcodes;
47
  const struct h8_opcode *p;
48
  struct h8_instruction *pi;
49
 
50
  nopcodes = sizeof (h8_opcodes) / sizeof (struct h8_opcode);
51
 
52
  h8_instructions = xmalloc (nopcodes * sizeof (struct h8_instruction));
53
 
54
  for (p = h8_opcodes, pi = h8_instructions; p->name; p++, pi++)
55
    {
56
      int n1 = 0;
57
      int n2 = 0;
58
 
59
      if ((int) p->data.nib[0] < 16)
60
        n1 = (int) p->data.nib[0];
61
      else
62
        n1 = 0;
63
 
64
      if ((int) p->data.nib[1] < 16)
65
        n2 = (int) p->data.nib[1];
66
      else
67
        n2 = 0;
68
 
69
      /* Just make sure there are an even number of nibbles in it, and
70
         that the count is the same as the length.  */
71
      for (i = 0; p->data.nib[i] != (op_type) E; i++)
72
        ;
73
 
74
      if (i & 1)
75
        {
76
          fprintf (stderr, "Internal error, h8_disassemble_init.\n");
77
          abort ();
78
        }
79
 
80
      pi->length = i / 2;
81
      pi->opcode = p;
82
    }
83
 
84
  /* Add entry for the NULL vector terminator.  */
85
  pi->length = 0;
86
  pi->opcode = p;
87
}
88
 
89
static void
90
extract_immediate (FILE *stream,
91
                   op_type looking_for,
92
                   int thisnib,
93
                   unsigned char *data,
94
                   int *cst,
95
                   int *len,
96
                   const struct h8_opcode *q)
97
{
98
  switch (looking_for & SIZE)
99
    {
100
    case L_2:
101
      *len = 2;
102
      *cst = thisnib & 3;
103
 
104
      /* DISP2 special treatment.  */
105
      if ((looking_for & MODE) == DISP)
106
        {
107
          if (OP_KIND (q->how) == O_MOVAB
108
              || OP_KIND (q->how) == O_MOVAW
109
              || OP_KIND (q->how) == O_MOVAL)
110
            {
111
              /* Handling for mova insn.  */
112
              switch (q->args.nib[0] & MODE)
113
                {
114
                case INDEXB:
115
                default:
116
                  break;
117
                case INDEXW:
118
                  *cst *= 2;
119
                  break;
120
                case INDEXL:
121
                  *cst *= 4;
122
                  break;
123
                }
124
            }
125
          else
126
            {
127
              /* Handling for non-mova insn.  */
128
              switch (OP_SIZE (q->how))
129
                {
130
                default: break;
131
                case SW:
132
                  *cst *= 2;
133
                  break;
134
                case SL:
135
                  *cst *= 4;
136
                  break;
137
                }
138
            }
139
        }
140
      break;
141
    case L_8:
142
      *len = 8;
143
      *cst = data[0];
144
      break;
145
    case L_16:
146
    case L_16U:
147
      *len = 16;
148
      *cst = (data[0] << 8) + data [1];
149
#if 0
150
      if ((looking_for & SIZE) == L_16)
151
        *cst = (short) *cst;    /* Sign extend.  */
152
#endif
153
      break;
154
    case L_32:
155
      *len = 32;
156
      *cst = (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3];
157
      break;
158
    default:
159
      *len = 0;
160
      *cst = 0;
161
      fprintf (stream, "DISP bad size\n");
162
      break;
163
    }
164
}
165
 
166
static const char *regnames[] =
167
{
168
  "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
169
  "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"
170
};
171
static const char *wregnames[] =
172
{
173
  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
174
  "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
175
};
176
static const char *lregnames[] =
177
{
178
  "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
179
  "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
180
};
181
static const char *cregnames[] =
182
{
183
  "ccr", "exr", "mach", "macl", "", "", "vbr", "sbr"
184
};
185
 
186
static void
187
print_one_arg (disassemble_info *info,
188
               bfd_vma addr,
189
               op_type x,
190
               int cst,
191
               int cstlen,
192
               int rdisp_n,
193
               int rn,
194
               const char **pregnames,
195
               int len)
196
{
197
  void * stream = info->stream;
198
  fprintf_ftype outfn = info->fprintf_func;
199
 
200
  if ((x & SIZE) == L_3 || (x & SIZE) == L_3NZ)
201
    outfn (stream, "#0x%x", (unsigned) cst);
202
  else if ((x & MODE) == IMM)
203
    outfn (stream, "#0x%x", (unsigned) cst);
204
  else if ((x & MODE) == DBIT || (x & MODE) == KBIT)
205
    outfn (stream, "#%d", (unsigned) cst);
206
  else if ((x & MODE) == CONST_2)
207
    outfn (stream, "#2");
208
  else if ((x & MODE) == CONST_4)
209
    outfn (stream, "#4");
210
  else if ((x & MODE) == CONST_8)
211
    outfn (stream, "#8");
212
  else if ((x & MODE) == CONST_16)
213
    outfn (stream, "#16");
214
  else if ((x & MODE) == REG)
215
    {
216
      switch (x & SIZE)
217
        {
218
        case L_8:
219
          outfn (stream, "%s", regnames[rn]);
220
          break;
221
        case L_16:
222
        case L_16U:
223
          outfn (stream, "%s", wregnames[rn]);
224
          break;
225
        case L_P:
226
        case L_32:
227
          outfn (stream, "%s", lregnames[rn]);
228
          break;
229
        }
230
    }
231
  else if ((x & MODE) == LOWREG)
232
    {
233
      switch (x & SIZE)
234
        {
235
        case L_8:
236
          /* Always take low half of reg.  */
237
          outfn (stream, "%s.b", regnames[rn < 8 ? rn + 8 : rn]);
238
          break;
239
        case L_16:
240
        case L_16U:
241
          /* Always take low half of reg.  */
242
          outfn (stream, "%s.w", wregnames[rn < 8 ? rn : rn - 8]);
243
          break;
244
        case L_P:
245
        case L_32:
246
          outfn (stream, "%s.l", lregnames[rn]);
247
          break;
248
        }
249
    }
250
  else if ((x & MODE) == POSTINC)
251
    outfn (stream, "@%s+", pregnames[rn]);
252
 
253
  else if ((x & MODE) == POSTDEC)
254
    outfn (stream, "@%s-", pregnames[rn]);
255
 
256
  else if ((x & MODE) == PREINC)
257
    outfn (stream, "@+%s", pregnames[rn]);
258
 
259
  else if ((x & MODE) == PREDEC)
260
    outfn (stream, "@-%s", pregnames[rn]);
261
 
262
  else if ((x & MODE) == IND)
263
    outfn (stream, "@%s", pregnames[rn]);
264
 
265
  else if ((x & MODE) == ABS || (x & ABSJMP))
266
    outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
267
 
268
  else if ((x & MODE) == MEMIND)
269
    outfn (stream, "@@%d (0x%x)", cst, cst);
270
 
271
  else if ((x & MODE) == VECIND)
272
    {
273
      /* FIXME Multiplier should be 2 or 4, depending on processor mode,
274
         by which is meant "normal" vs. "middle", "advanced", "maximum".  */
275
 
276
      int offset = (cst + 0x80) * 4;
277
      outfn (stream, "@@%d (0x%x)", offset, offset);
278
    }
279
  else if ((x & MODE) == PCREL)
280
    {
281
      if ((x & SIZE) == L_16 ||
282
          (x & SIZE) == L_16U)
283
        {
284
          outfn (stream, ".%s%d (0x%lx)",
285
                   (short) cst > 0 ? "+" : "",
286
                   (short) cst,
287
                   (long)(addr + (short) cst + len));
288
        }
289
      else
290
        {
291
          outfn (stream, ".%s%d (0x%lx)",
292
                   (char) cst > 0 ? "+" : "",
293
                   (char) cst,
294
                   (long)(addr + (char) cst + len));
295
        }
296
    }
297
  else if ((x & MODE) == DISP)
298
    outfn (stream, "@(0x%x:%d,%s)", cst, cstlen, pregnames[rdisp_n]);
299
 
300
  else if ((x & MODE) == INDEXB)
301
    /* Always take low half of reg.  */
302
    outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen,
303
           regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]);
304
 
305
  else if ((x & MODE) == INDEXW)
306
    /* Always take low half of reg.  */
307
    outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen,
308
           wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]);
309
 
310
  else if ((x & MODE) == INDEXL)
311
    outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, lregnames[rdisp_n]);
312
 
313
  else if (x & CTRL)
314
    outfn (stream, cregnames[rn]);
315
 
316
  else if ((x & MODE) == CCR)
317
    outfn (stream, "ccr");
318
 
319
  else if ((x & MODE) == EXR)
320
    outfn (stream, "exr");
321
 
322
  else if ((x & MODE) == MACREG)
323
    outfn (stream, "mac%c", cst ? 'l' : 'h');
324
 
325
  else
326
    /* xgettext:c-format */
327
    outfn (stream, _("Hmmmm 0x%x"), x);
328
}
329
 
330
static unsigned int
331
bfd_h8_disassemble (bfd_vma addr, disassemble_info *info, int mach)
332
{
333
  /* Find the first entry in the table for this opcode.  */
334
  int regno[3] = { 0, 0, 0 };
335
  int dispregno[3] = { 0, 0, 0 };
336
  int cst[3] = { 0, 0, 0 };
337
  int cstlen[3] = { 0, 0, 0 };
338
  static bfd_boolean init = 0;
339
  const struct h8_instruction *qi;
340
  char const **pregnames = mach != 0 ? lregnames : wregnames;
341
  int status;
342
  unsigned int l;
343
  unsigned char data[MAX_CODE_NIBBLES];
344
  void *stream = info->stream;
345
  fprintf_ftype outfn = info->fprintf_func;
346
 
347
  if (!init)
348
    {
349
      bfd_h8_disassemble_init ();
350
      init = 1;
351
    }
352
 
353
  status = info->read_memory_func (addr, data, 2, info);
354
  if (status != 0)
355
    {
356
      info->memory_error_func (status, addr, info);
357
      return -1;
358
    }
359
 
360
  for (l = 2; status == 0 && l < sizeof (data) / 2; l += 2)
361
    status = info->read_memory_func (addr + l, data + l, 2, info);
362
 
363
  /* Find the exact opcode/arg combo.  */
364
  for (qi = h8_instructions; qi->opcode->name; qi++)
365
    {
366
      const struct h8_opcode *q = qi->opcode;
367
      const op_type *nib = q->data.nib;
368
      unsigned int len = 0;
369
 
370
      while (1)
371
        {
372
          op_type looking_for = *nib;
373
          int thisnib = data[len / 2];
374
          int opnr;
375
 
376
          thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf);
377
          opnr = ((looking_for & OP3) == OP3 ? 2
378
                  : (looking_for & DST) == DST ? 1 : 0);
379
 
380
          if (looking_for < 16 && looking_for >= 0)
381
            {
382
              if (looking_for != thisnib)
383
                goto fail;
384
            }
385
          else
386
            {
387
              if ((int) looking_for & (int) B31)
388
                {
389
                  if (!((thisnib & 0x8) != 0))
390
                    goto fail;
391
 
392
                  looking_for = (op_type) ((int) looking_for & ~(int) B31);
393
                  thisnib &= 0x7;
394
                }
395
              else if ((int) looking_for & (int) B30)
396
                {
397
                  if (!((thisnib & 0x8) == 0))
398
                    goto fail;
399
 
400
                  looking_for = (op_type) ((int) looking_for & ~(int) B30);
401
                }
402
 
403
              if ((int) looking_for & (int) B21)
404
                {
405
                  if (!((thisnib & 0x4) != 0))
406
                    goto fail;
407
 
408
                  looking_for = (op_type) ((int) looking_for & ~(int) B21);
409
                  thisnib &= 0xb;
410
                }
411
              else if ((int) looking_for & (int) B20)
412
                {
413
                  if (!((thisnib & 0x4) == 0))
414
                    goto fail;
415
 
416
                  looking_for = (op_type) ((int) looking_for & ~(int) B20);
417
                }
418
              if ((int) looking_for & (int) B11)
419
                {
420
                  if (!((thisnib & 0x2) != 0))
421
                    goto fail;
422
 
423
                  looking_for = (op_type) ((int) looking_for & ~(int) B11);
424
                  thisnib &= 0xd;
425
                }
426
              else if ((int) looking_for & (int) B10)
427
                {
428
                  if (!((thisnib & 0x2) == 0))
429
                    goto fail;
430
 
431
                  looking_for = (op_type) ((int) looking_for & ~(int) B10);
432
                }
433
 
434
              if ((int) looking_for & (int) B01)
435
                {
436
                  if (!((thisnib & 0x1) != 0))
437
                    goto fail;
438
 
439
                  looking_for = (op_type) ((int) looking_for & ~(int) B01);
440
                  thisnib &= 0xe;
441
                }
442
              else if ((int) looking_for & (int) B00)
443
                {
444
                  if (!((thisnib & 0x1) == 0))
445
                    goto fail;
446
 
447
                  looking_for = (op_type) ((int) looking_for & ~(int) B00);
448
                }
449
 
450
              if (looking_for & IGNORE)
451
                {
452
                  /* Hitachi has declared that IGNORE must be zero.  */
453
                  if (thisnib != 0)
454
                    goto fail;
455
                }
456
              else if ((looking_for & MODE) == DATA)
457
                {
458
                  ;                     /* Skip embedded data.  */
459
                }
460
              else if ((looking_for & MODE) == DBIT)
461
                {
462
                  /* Exclude adds/subs by looking at bit 0 and 2, and
463
                     make sure the operand size, either w or l,
464
                     matches by looking at bit 1.  */
465
                  if ((looking_for & 7) != (thisnib & 7))
466
                    goto fail;
467
 
468
                  cst[opnr] = (thisnib & 0x8) ? 2 : 1;
469
                }
470
              else if ((looking_for & MODE) == DISP
471
                       || (looking_for & MODE) == ABS
472
                       || (looking_for & MODE) == PCREL
473
                       || (looking_for & MODE) == INDEXB
474
                       || (looking_for & MODE) == INDEXW
475
                       || (looking_for & MODE) == INDEXL)
476
                {
477
                  extract_immediate (stream, looking_for, thisnib,
478
                                     data + len / 2, cst + opnr,
479
                                     cstlen + opnr, q);
480
                  /* Even address == bra, odd == bra/s.  */
481
                  if (q->how == O (O_BRAS, SB))
482
                    cst[opnr] -= 1;
483
                }
484
              else if ((looking_for & MODE) == REG
485
                       || (looking_for & MODE) == LOWREG
486
                       || (looking_for & MODE) == IND
487
                       || (looking_for & MODE) == PREINC
488
                       || (looking_for & MODE) == POSTINC
489
                       || (looking_for & MODE) == PREDEC
490
                       || (looking_for & MODE) == POSTDEC)
491
                {
492
                  regno[opnr] = thisnib;
493
                }
494
              else if (looking_for & CTRL)      /* Control Register.  */
495
                {
496
                  thisnib &= 7;
497
                  if (((looking_for & MODE) == CCR  && (thisnib != C_CCR))
498
                      || ((looking_for & MODE) == EXR  && (thisnib != C_EXR))
499
                      || ((looking_for & MODE) == MACH && (thisnib != C_MACH))
500
                      || ((looking_for & MODE) == MACL && (thisnib != C_MACL))
501
                      || ((looking_for & MODE) == VBR  && (thisnib != C_VBR))
502
                      || ((looking_for & MODE) == SBR  && (thisnib != C_SBR)))
503
                    goto fail;
504
                  if (((looking_for & MODE) == CCR_EXR
505
                       && (thisnib != C_CCR && thisnib != C_EXR))
506
                      || ((looking_for & MODE) == VBR_SBR
507
                          && (thisnib != C_VBR && thisnib != C_SBR))
508
                      || ((looking_for & MODE) == MACREG
509
                          && (thisnib != C_MACH && thisnib != C_MACL)))
510
                    goto fail;
511
                  if (((looking_for & MODE) == CC_EX_VB_SB
512
                       && (thisnib != C_CCR && thisnib != C_EXR
513
                           && thisnib != C_VBR && thisnib != C_SBR)))
514
                    goto fail;
515
 
516
                  regno[opnr] = thisnib;
517
                }
518
              else if ((looking_for & SIZE) == L_5)
519
                {
520
                  cst[opnr] = data[len / 2] & 31;
521
                  cstlen[opnr] = 5;
522
                }
523
              else if ((looking_for & SIZE) == L_4)
524
                {
525
                  cst[opnr] = thisnib;
526
                  cstlen[opnr] = 4;
527
                }
528
              else if ((looking_for & SIZE) == L_16
529
                       || (looking_for & SIZE) == L_16U)
530
                {
531
                  cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
532
                  cstlen[opnr] = 16;
533
                }
534
              else if ((looking_for & MODE) == MEMIND)
535
                {
536
                  cst[opnr] = data[1];
537
                }
538
              else if ((looking_for & MODE) == VECIND)
539
                {
540
                  cst[opnr] = data[1] & 0x7f;
541
                }
542
              else if ((looking_for & SIZE) == L_32)
543
                {
544
                  int i = len / 2;
545
 
546
                  cst[opnr] = ((data[i] << 24)
547
                               | (data[i + 1] << 16)
548
                               | (data[i + 2] << 8)
549
                               | (data[i + 3]));
550
 
551
                  cstlen[opnr] = 32;
552
                }
553
              else if ((looking_for & SIZE) == L_24)
554
                {
555
                  int i = len / 2;
556
 
557
                  cst[opnr] =
558
                    (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
559
                  cstlen[opnr] = 24;
560
                }
561
              else if (looking_for & IGNORE)
562
                {
563
                  ;
564
                }
565
              else if (looking_for & DISPREG)
566
                {
567
                  dispregno[opnr] = thisnib & 7;
568
                }
569
              else if ((looking_for & MODE) == KBIT)
570
                {
571
                  switch (thisnib)
572
                    {
573
                    case 9:
574
                      cst[opnr] = 4;
575
                      break;
576
                    case 8:
577
                      cst[opnr] = 2;
578
                      break;
579
                    case 0:
580
                      cst[opnr] = 1;
581
                      break;
582
                    default:
583
                      goto fail;
584
                    }
585
                }
586
              else if ((looking_for & SIZE) == L_8)
587
                {
588
                  cstlen[opnr] = 8;
589
                  cst[opnr] = data[len / 2];
590
                }
591
              else if ((looking_for & SIZE) == L_3
592
                       || (looking_for & SIZE) == L_3NZ)
593
                {
594
                  cst[opnr] = thisnib & 0x7;
595
                  if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ)
596
                    goto fail;
597
                }
598
              else if ((looking_for & SIZE) == L_2)
599
                {
600
                  cstlen[opnr] = 2;
601
                  cst[opnr] = thisnib & 0x3;
602
                }
603
              else if ((looking_for & MODE) == MACREG)
604
                {
605
                  cst[opnr] = (thisnib == 3);
606
                }
607
              else if (looking_for == (op_type) E)
608
                {
609
                  outfn (stream, "%s\t", q->name);
610
 
611
                  /* Gross.  Disgusting.  */
612
                  if (strcmp (q->name, "ldm.l") == 0)
613
                    {
614
                      int count, high;
615
 
616
                      count = (data[1] / 16) & 0x3;
617
                      high = regno[1];
618
 
619
                      outfn (stream, "@sp+,er%d-er%d", high - count, high);
620
                      return qi->length;
621
                    }
622
 
623
                  if (strcmp (q->name, "stm.l") == 0)
624
                    {
625
                      int count, low;
626
 
627
                      count = (data[1] / 16) & 0x3;
628
                      low = regno[0];
629
 
630
                      outfn (stream, "er%d-er%d,@-sp", low, low + count);
631
                      return qi->length;
632
                    }
633
                  if (strcmp (q->name, "rte/l") == 0
634
                      || strcmp (q->name, "rts/l") == 0)
635
                    {
636
                      if (regno[0] == 0)
637
                        outfn (stream, "er%d", regno[1]);
638
                      else
639
                        outfn (stream, "er%d-er%d", regno[1] - regno[0],
640
                               regno[1]);
641
                      return qi->length;
642
                    }
643
                  if (CONST_STRNEQ (q->name, "mova"))
644
                    {
645
                      const op_type *args = q->args.nib;
646
 
647
                      if (args[1] == (op_type) E)
648
                        {
649
                          /* Short form.  */
650
                          print_one_arg (info, addr, args[0], cst[0],
651
                                         cstlen[0], dispregno[0], regno[0],
652
                                         pregnames, qi->length);
653
                          outfn (stream, ",er%d", dispregno[0]);
654
                        }
655
                      else
656
                        {
657
                          outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]);
658
                          print_one_arg (info, addr, args[1], cst[1],
659
                                         cstlen[1], dispregno[1], regno[1],
660
                                         pregnames, qi->length);
661
                          outfn (stream, ".%c),",
662
                                 (args[0] & MODE) == INDEXB ? 'b' : 'w');
663
                          print_one_arg (info, addr, args[2], cst[2],
664
                                         cstlen[2], dispregno[2], regno[2],
665
                                         pregnames, qi->length);
666
                        }
667
                      return qi->length;
668
                    }
669
                  /* Fill in the args.  */
670
                  {
671
                    const op_type *args = q->args.nib;
672
                    int hadone = 0;
673
                    int nargs;
674
 
675
                    /* Special case handling for the adds and subs instructions
676
                       since in H8 mode thay can only take the r0-r7 registers
677
                       but in other (higher) modes they can take the er0-er7
678
                       registers as well.  */
679
                    if (strcmp (qi->opcode->name, "adds") == 0
680
                        || strcmp (qi->opcode->name, "subs") == 0)
681
                      {
682
                        outfn (stream, "#%d,%s", cst[0], pregnames[regno[1] & 0x7]);
683
                        return qi->length;
684
                      }
685
 
686
                    for (nargs = 0;
687
                         nargs < 3 && args[nargs] != (op_type) E;
688
                         nargs++)
689
                      {
690
                        int x = args[nargs];
691
 
692
                        if (hadone)
693
                          outfn (stream, ",");
694
 
695
                        print_one_arg (info, addr, x,
696
                                       cst[nargs], cstlen[nargs],
697
                                       dispregno[nargs], regno[nargs],
698
                                       pregnames, qi->length);
699
 
700
                        hadone = 1;
701
                      }
702
                  }
703
 
704
                  return qi->length;
705
                }
706
              else
707
                /* xgettext:c-format */
708
                outfn (stream, _("Don't understand 0x%x \n"), looking_for);
709
            }
710
 
711
          len++;
712
          nib++;
713
        }
714
 
715
    fail:
716
      ;
717
    }
718
 
719
  /* Fell off the end.  */
720
  outfn (stream, ".word\tH'%x,H'%x", data[0], data[1]);
721
  return 2;
722
}
723
 
724
int
725
print_insn_h8300 (bfd_vma addr, disassemble_info *info)
726
{
727
  return bfd_h8_disassemble (addr, info, 0);
728
}
729
 
730
int
731
print_insn_h8300h (bfd_vma addr, disassemble_info *info)
732
{
733
  return bfd_h8_disassemble (addr, info, 1);
734
}
735
 
736
int
737
print_insn_h8300s (bfd_vma addr, disassemble_info *info)
738
{
739
  return bfd_h8_disassemble (addr, info, 2);
740
}

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