opcodes/h8300-dis.c

   1 /* Disassemble h8300 instructions.
   2    Copyright (C) 1993-2016 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 "dis-asm.h"
  27 #include "opintl.h"
  28 #include "libiberty.h"
  29
  30 struct h8_instruction
  31 {
  32   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
  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
  60       if (i & 1)
  61         {
  62           fprintf (stderr, "Internal error, h8_disassemble_init.\n");
  63           abort ();
  64         }
  65
  66       pi->length = i / 2;
  67       pi->opcode = p;
  68     }
  69
  70   /* Add entry for the NULL vector terminator.  */
  71   pi->length = 0;
  72   pi->opcode = p;
  73 }
  74
  75 static void
  76 extract_immediate (FILE *stream,
  77                    op_type looking_for,
  78                    int thisnib,
  79                    unsigned char *data,
  80                    int *cst,
  81                    int *len,
  82                    const struct h8_opcode *q)
  83 {
  84   switch (looking_for & SIZE)
  85     {
  86     case L_2:
  87       *len = 2;
  88       *cst = thisnib & 3;
  89
  90       /* DISP2 special treatment.  */
  91       if ((looking_for & MODE) == DISP)
  92         {
  93           if (OP_KIND (q->how) == O_MOVAB
  94               || OP_KIND (q->how) == O_MOVAW
  95               || OP_KIND (q->how) == O_MOVAL)
  96             {
  97               /* Handling for mova insn.  */
  98               switch (q->args.nib[0] & MODE)
  99                 {
 100                 case INDEXB:
 101                 default:
 102                   break;
 103                 case INDEXW:
 104                   *cst *= 2;
 105                   break;
 106                 case INDEXL:
 107                   *cst *= 4;
 108                   break;
 109                 }
 110             }
 111           else
 112             {
 113               /* Handling for non-mova insn.  */
 114               switch (OP_SIZE (q->how))
 115                 {
 116                 default: break;
 117                 case SW:
 118                   *cst *= 2;
 119                   break;
 120                 case SL:
 121                   *cst *= 4;
 122                   break;
 123                 }
 124             }
 125         }
 126       break;
 127     case L_8:
 128       *len = 8;
 129       *cst = data[0];
 130       break;
 131     case L_16:
 132     case L_16U:
 133       *len = 16;
 134       *cst = (data[0] << 8) + data [1];
 135 #if 0
 136       if ((looking_for & SIZE) == L_16)
 137         *cst = (short) *cst;    /* Sign extend.  */
 138 #endif
 139       break;
 140     case L_32:
 141       *len = 32;
 142       *cst = (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3];
 143       break;
 144     default:
 145       *len = 0;
 146       *cst = 0;
 147       fprintf (stream, "DISP bad size\n");
 148       break;
 149     }
 150 }
 151
 152 static const char *regnames[] =
 153 {
 154   "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
 155   "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"
 156 };
 157 static const char *wregnames[] =
 158 {
 159   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
 160   "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
 161 };
 162 static const char *lregnames[] =
 163 {
 164   "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
 165   "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
 166 };
 167 static const char *cregnames[] =
 168 {
 169   "ccr", "exr", "mach", "macl", "", "", "vbr", "sbr"
 170 };
 171
 172 static void
 173 print_one_arg (disassemble_info *info,
 174                bfd_vma addr,
 175                op_type x,
 176                int cst,
 177                int cstlen,
 178                int rdisp_n,
 179                int rn,
 180                const char **pregnames,
 181                int len)
 182 {
 183   void * stream = info->stream;
 184   fprintf_ftype outfn = info->fprintf_func;
 185
 186   if ((x & SIZE) == L_3 || (x & SIZE) == L_3NZ)
 187     outfn (stream, "#0x%x", (unsigned) cst);
 188   else if ((x & MODE) == IMM)
 189     outfn (stream, "#0x%x", (unsigned) cst);
 190   else if ((x & MODE) == DBIT || (x & MODE) == KBIT)
 191     outfn (stream, "#%d", (unsigned) cst);
 192   else if ((x & MODE) == CONST_2)
 193     outfn (stream, "#2");
 194   else if ((x & MODE) == CONST_4)
 195     outfn (stream, "#4");
 196   else if ((x & MODE) == CONST_8)
 197     outfn (stream, "#8");
 198   else if ((x & MODE) == CONST_16)
 199     outfn (stream, "#16");
 200   else if ((x & MODE) == REG)
 201     {
 202       switch (x & SIZE)
 203         {
 204         case L_8:
 205           outfn (stream, "%s", regnames[rn]);
 206           break;
 207         case L_16:
 208         case L_16U:
 209           outfn (stream, "%s", wregnames[rn]);
 210           break;
 211         case L_P:
 212         case L_32:
 213           outfn (stream, "%s", lregnames[rn]);
 214           break;
 215         }
 216     }
 217   else if ((x & MODE) == LOWREG)
 218     {
 219       switch (x & SIZE)
 220         {
 221         case L_8:
 222           /* Always take low half of reg.  */
 223           outfn (stream, "%s.b", regnames[rn < 8 ? rn + 8 : rn]);
 224           break;
 225         case L_16:
 226         case L_16U:
 227           /* Always take low half of reg.  */
 228           outfn (stream, "%s.w", wregnames[rn < 8 ? rn : rn - 8]);
 229           break;
 230         case L_P:
 231         case L_32:
 232           outfn (stream, "%s.l", lregnames[rn]);
 233           break;
 234         }
 235     }
 236   else if ((x & MODE) == POSTINC)
 237     outfn (stream, "@%s+", pregnames[rn]);
 238
 239   else if ((x & MODE) == POSTDEC)
 240     outfn (stream, "@%s-", pregnames[rn]);
 241
 242   else if ((x & MODE) == PREINC)
 243     outfn (stream, "@+%s", pregnames[rn]);
 244
 245   else if ((x & MODE) == PREDEC)
 246     outfn (stream, "@-%s", pregnames[rn]);
 247
 248   else if ((x & MODE) == IND)
 249     outfn (stream, "@%s", pregnames[rn]);
 250
 251   else if ((x & MODE) == ABS || (x & ABSJMP))
 252     outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
 253
 254   else if ((x & MODE) == MEMIND)
 255     outfn (stream, "@@%d (0x%x)", cst, cst);
 256
 257   else if ((x & MODE) == VECIND)
 258     {
 259       /* FIXME Multiplier should be 2 or 4, depending on processor mode,
 260          by which is meant "normal" vs. "middle", "advanced", "maximum".  */
 261
 262       int offset = (cst + 0x80) * 4;
 263       outfn (stream, "@@%d (0x%x)", offset, offset);
 264     }
 265   else if ((x & MODE) == PCREL)
 266     {
 267       if ((x & SIZE) == L_16 ||
 268           (x & SIZE) == L_16U)
 269         {
 270           outfn (stream, ".%s%d (0x%lx)",
 271                    (short) cst > 0 ? "+" : "",
 272                    (short) cst,
 273                    (long)(addr + (short) cst + len));
 274         }
 275       else
 276         {
 277           outfn (stream, ".%s%d (0x%lx)",
 278                    (char) cst > 0 ? "+" : "",
 279                    (char) cst,
 280                    (long)(addr + (char) cst + len));
 281         }
 282     }
 283   else if ((x & MODE) == DISP)
 284     outfn (stream, "@(0x%x:%d,%s)", cst, cstlen, pregnames[rdisp_n]);
 285
 286   else if ((x & MODE) == INDEXB)
 287     /* Always take low half of reg.  */
 288     outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen,
 289            regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]);
 290
 291   else if ((x & MODE) == INDEXW)
 292     /* Always take low half of reg.  */
 293     outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen,
 294            wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]);
 295
 296   else if ((x & MODE) == INDEXL)
 297     outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, lregnames[rdisp_n]);
 298
 299   else if (x & CTRL)
 300     outfn (stream, "%s", cregnames[rn]);
 301
 302   else if ((x & MODE) == CCR)
 303     outfn (stream, "ccr");
 304
 305   else if ((x & MODE) == EXR)
 306     outfn (stream, "exr");
 307
 308   else if ((x & MODE) == MACREG)
 309     outfn (stream, "mac%c", cst ? 'l' : 'h');
 310
 311   else
 312     /* xgettext:c-format */
 313     outfn (stream, _("Hmmmm 0x%x"), x);
 314 }
 315
 316 static unsigned int
 317 bfd_h8_disassemble (bfd_vma addr, disassemble_info *info, int mach)
 318 {
 319   /* Find the first entry in the table for this opcode.  */
 320   int regno[3] = { 0, 0, 0 };
 321   int dispregno[3] = { 0, 0, 0 };
 322   int cst[3] = { 0, 0, 0 };
 323   int cstlen[3] = { 0, 0, 0 };
 324   static bfd_boolean init = 0;
 325   const struct h8_instruction *qi;
 326   char const **pregnames = mach != 0 ? lregnames : wregnames;
 327   int status;
 328   unsigned int l;
 329   unsigned char data[MAX_CODE_NIBBLES];
 330   void *stream = info->stream;
 331   fprintf_ftype outfn = info->fprintf_func;
 332
 333   if (!init)
 334     {
 335       bfd_h8_disassemble_init ();
 336       init = 1;
 337     }
 338
 339   status = info->read_memory_func (addr, data, 2, info);
 340   if (status != 0)
 341     {
 342       info->memory_error_func (status, addr, info);
 343       return -1;
 344     }
 345
 346   for (l = 2; status == 0 && l < sizeof (data) / 2; l += 2)
 347     status = info->read_memory_func (addr + l, data + l, 2, info);
 348
 349   /* Find the exact opcode/arg combo.  */
 350   for (qi = h8_instructions; qi->opcode->name; qi++)
 351     {
 352       const struct h8_opcode *q = qi->opcode;
 353       const op_type *nib = q->data.nib;
 354       unsigned int len = 0;
 355
 356       while (1)
 357         {
 358           op_type looking_for = *nib;
 359           int thisnib = data[len / 2];
 360           int opnr;
 361
 362           thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf);
 363           opnr = ((looking_for & OP3) == OP3 ? 2
 364                   : (looking_for & DST) == DST ? 1 : 0);
 365
 366           if (looking_for < 16 && looking_for >= 0)
 367             {
 368               if (looking_for != thisnib)
 369                 goto fail;
 370             }
 371           else
 372             {
 373               if ((int) looking_for & (int) B31)
 374                 {
 375                   if (!((thisnib & 0x8) != 0))
 376                     goto fail;
 377
 378                   looking_for = (op_type) ((int) looking_for & ~(int) B31);
 379                   thisnib &= 0x7;
 380                 }
 381               else if ((int) looking_for & (int) B30)
 382                 {
 383                   if (!((thisnib & 0x8) == 0))
 384                     goto fail;
 385
 386                   looking_for = (op_type) ((int) looking_for & ~(int) B30);
 387                 }
 388
 389               if ((int) looking_for & (int) B21)
 390                 {
 391                   if (!((thisnib & 0x4) != 0))
 392                     goto fail;
 393
 394                   looking_for = (op_type) ((int) looking_for & ~(int) B21);
 395                   thisnib &= 0xb;
 396                 }
 397               else if ((int) looking_for & (int) B20)
 398                 {
 399                   if (!((thisnib & 0x4) == 0))
 400                     goto fail;
 401
 402                   looking_for = (op_type) ((int) looking_for & ~(int) B20);
 403                 }
 404               if ((int) looking_for & (int) B11)
 405                 {
 406                   if (!((thisnib & 0x2) != 0))
 407                     goto fail;
 408
 409                   looking_for = (op_type) ((int) looking_for & ~(int) B11);
 410                   thisnib &= 0xd;
 411                 }
 412               else if ((int) looking_for & (int) B10)
 413                 {
 414                   if (!((thisnib & 0x2) == 0))
 415                     goto fail;
 416
 417                   looking_for = (op_type) ((int) looking_for & ~(int) B10);
 418                 }
 419
 420               if ((int) looking_for & (int) B01)
 421                 {
 422                   if (!((thisnib & 0x1) != 0))
 423                     goto fail;
 424
 425                   looking_for = (op_type) ((int) looking_for & ~(int) B01);
 426                   thisnib &= 0xe;
 427                 }
 428               else if ((int) looking_for & (int) B00)
 429                 {
 430                   if (!((thisnib & 0x1) == 0))
 431                     goto fail;
 432
 433                   looking_for = (op_type) ((int) looking_for & ~(int) B00);
 434                 }
 435
 436               if (looking_for & IGNORE)
 437                 {
 438                   /* Hitachi has declared that IGNORE must be zero.  */
 439                   if (thisnib != 0)
 440                     goto fail;
 441                 }
 442               else if ((looking_for & MODE) == DATA)
 443                 {
 444                   ;                     /* Skip embedded data.  */
 445                 }
 446               else if ((looking_for & MODE) == DBIT)
 447                 {
 448                   /* Exclude adds/subs by looking at bit 0 and 2, and
 449                      make sure the operand size, either w or l,
 450                      matches by looking at bit 1.  */
 451                   if ((looking_for & 7) != (thisnib & 7))
 452                     goto fail;
 453
 454                   cst[opnr] = (thisnib & 0x8) ? 2 : 1;
 455                 }
 456               else if ((looking_for & MODE) == DISP
 457                        || (looking_for & MODE) == ABS
 458                        || (looking_for & MODE) == PCREL
 459                        || (looking_for & MODE) == INDEXB
 460                        || (looking_for & MODE) == INDEXW
 461                        || (looking_for & MODE) == INDEXL)
 462                 {
 463                   extract_immediate (stream, looking_for, thisnib,
 464                                      data + len / 2, cst + opnr,
 465                                      cstlen + opnr, q);
 466                   /* Even address == bra, odd == bra/s.  */
 467                   if (q->how == O (O_BRAS, SB))
 468                     cst[opnr] -= 1;
 469                 }
 470               else if ((looking_for & MODE) == REG
 471                        || (looking_for & MODE) == LOWREG
 472                        || (looking_for & MODE) == IND
 473                        || (looking_for & MODE) == PREINC
 474                        || (looking_for & MODE) == POSTINC
 475                        || (looking_for & MODE) == PREDEC
 476                        || (looking_for & MODE) == POSTDEC)
 477                 {
 478                   regno[opnr] = thisnib;
 479                 }
 480               else if (looking_for & CTRL)      /* Control Register.  */
 481                 {
 482                   thisnib &= 7;
 483                   if (((looking_for & MODE) == CCR  && (thisnib != C_CCR))
 484                       || ((looking_for & MODE) == EXR  && (thisnib != C_EXR))
 485                       || ((looking_for & MODE) == MACH && (thisnib != C_MACH))
 486                       || ((looking_for & MODE) == MACL && (thisnib != C_MACL))
 487                       || ((looking_for & MODE) == VBR  && (thisnib != C_VBR))
 488                       || ((looking_for & MODE) == SBR  && (thisnib != C_SBR)))
 489                     goto fail;
 490                   if (((looking_for & MODE) == CCR_EXR
 491                        && (thisnib != C_CCR && thisnib != C_EXR))
 492                       || ((looking_for & MODE) == VBR_SBR
 493                           && (thisnib != C_VBR && thisnib != C_SBR))
 494                       || ((looking_for & MODE) == MACREG
 495                           && (thisnib != C_MACH && thisnib != C_MACL)))
 496                     goto fail;
 497                   if (((looking_for & MODE) == CC_EX_VB_SB
 498                        && (thisnib != C_CCR && thisnib != C_EXR
 499                            && thisnib != C_VBR && thisnib != C_SBR)))
 500                     goto fail;
 501
 502                   regno[opnr] = thisnib;
 503                 }
 504               else if ((looking_for & SIZE) == L_5)
 505                 {
 506                   cst[opnr] = data[len / 2] & 31;
 507                   cstlen[opnr] = 5;
 508                 }
 509               else if ((looking_for & SIZE) == L_4)
 510                 {
 511                   cst[opnr] = thisnib;
 512                   cstlen[opnr] = 4;
 513                 }
 514               else if ((looking_for & SIZE) == L_16
 515                        || (looking_for & SIZE) == L_16U)
 516                 {
 517                   cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
 518                   cstlen[opnr] = 16;
 519                 }
 520               else if ((looking_for & MODE) == MEMIND)
 521                 {
 522                   cst[opnr] = data[1];
 523                 }
 524               else if ((looking_for & MODE) == VECIND)
 525                 {
 526                   cst[opnr] = data[1] & 0x7f;
 527                 }
 528               else if ((looking_for & SIZE) == L_32)
 529                 {
 530                   int i = len / 2;
 531
 532                   cst[opnr] = ((data[i] << 24)
 533                                | (data[i + 1] << 16)
 534                                | (data[i + 2] << 8)
 535                                | (data[i + 3]));
 536
 537                   cstlen[opnr] = 32;
 538                 }
 539               else if ((looking_for & SIZE) == L_24)
 540                 {
 541                   int i = len / 2;
 542
 543                   cst[opnr] =
 544                     (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
 545                   cstlen[opnr] = 24;
 546                 }
 547               else if (looking_for & DISPREG)
 548                 {
 549                   dispregno[opnr] = thisnib & 7;
 550                 }
 551               else if ((looking_for & MODE) == KBIT)
 552                 {
 553                   switch (thisnib)
 554                     {
 555                     case 9:
 556                       cst[opnr] = 4;
 557                       break;
 558                     case 8:
 559                       cst[opnr] = 2;
 560                       break;
 561                     case 0:
 562                       cst[opnr] = 1;
 563                       break;
 564                     default:
 565                       goto fail;
 566                     }
 567                 }
 568               else if ((looking_for & SIZE) == L_8)
 569                 {
 570                   cstlen[opnr] = 8;
 571                   cst[opnr] = data[len / 2];
 572                 }
 573               else if ((looking_for & SIZE) == L_3
 574                        || (looking_for & SIZE) == L_3NZ)
 575                 {
 576                   cst[opnr] = thisnib & 0x7;
 577                   if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ)
 578                     goto fail;
 579                 }
 580               else if ((looking_for & SIZE) == L_2)
 581                 {
 582                   cstlen[opnr] = 2;
 583                   cst[opnr] = thisnib & 0x3;
 584                 }
 585               else if ((looking_for & MODE) == MACREG)
 586                 {
 587                   cst[opnr] = (thisnib == 3);
 588                 }
 589               else if (looking_for == (op_type) E)
 590                 {
 591                   outfn (stream, "%s\t", q->name);
 592
 593                   /* Gross.  Disgusting.  */
 594                   if (strcmp (q->name, "ldm.l") == 0)
 595                     {
 596                       int count, high;
 597
 598                       count = (data[1] / 16) & 0x3;
 599                       high = regno[1];
 600
 601                       outfn (stream, "@sp+,er%d-er%d", high - count, high);
 602                       return qi->length;
 603                     }
 604
 605                   if (strcmp (q->name, "stm.l") == 0)
 606                     {
 607                       int count, low;
 608
 609                       count = (data[1] / 16) & 0x3;
 610                       low = regno[0];
 611
 612                       outfn (stream, "er%d-er%d,@-sp", low, low + count);
 613                       return qi->length;
 614                     }
 615                   if (strcmp (q->name, "rte/l") == 0
 616                       || strcmp (q->name, "rts/l") == 0)
 617                     {
 618                       if (regno[0] == 0)
 619                         outfn (stream, "er%d", regno[1]);
 620                       else
 621                         outfn (stream, "er%d-er%d", regno[1] - regno[0],
 622                                regno[1]);
 623                       return qi->length;
 624                     }
 625                   if (CONST_STRNEQ (q->name, "mova"))
 626                     {
 627                       const op_type *args = q->args.nib;
 628
 629                       if (args[1] == (op_type) E)
 630                         {
 631                           /* Short form.  */
 632                           print_one_arg (info, addr, args[0], cst[0],
 633                                          cstlen[0], dispregno[0], regno[0],
 634                                          pregnames, qi->length);
 635                           outfn (stream, ",er%d", dispregno[0]);
 636                         }
 637                       else
 638                         {
 639                           outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]);
 640                           print_one_arg (info, addr, args[1], cst[1],
 641                                          cstlen[1], dispregno[1], regno[1],
 642                                          pregnames, qi->length);
 643                           outfn (stream, ".%c),",
 644                                  (args[0] & MODE) == INDEXB ? 'b' : 'w');
 645                           print_one_arg (info, addr, args[2], cst[2],
 646                                          cstlen[2], dispregno[2], regno[2],
 647                                          pregnames, qi->length);
 648                         }
 649                       return qi->length;
 650                     }
 651                   /* Fill in the args.  */
 652                   {
 653                     const op_type *args = q->args.nib;
 654                     int hadone = 0;
 655                     int nargs;
 656
 657                     /* Special case handling for the adds and subs instructions
 658                        since in H8 mode thay can only take the r0-r7 registers
 659                        but in other (higher) modes they can take the er0-er7
 660                        registers as well.  */
 661                     if (strcmp (qi->opcode->name, "adds") == 0
 662                         || strcmp (qi->opcode->name, "subs") == 0)
 663                       {
 664                         outfn (stream, "#%d,%s", cst[0], pregnames[regno[1] & 0x7]);
 665                         return qi->length;
 666                       }
 667
 668                     for (nargs = 0;
 669                          nargs < 3 && args[nargs] != (op_type) E;
 670                          nargs++)
 671                       {
 672                         int x = args[nargs];
 673
 674                         if (hadone)
 675                           outfn (stream, ",");
 676
 677                         print_one_arg (info, addr, x,
 678                                        cst[nargs], cstlen[nargs],
 679                                        dispregno[nargs], regno[nargs],
 680                                        pregnames, qi->length);
 681
 682                         hadone = 1;
 683                       }
 684                   }
 685
 686                   return qi->length;
 687                 }
 688               else
 689                 /* xgettext:c-format */
 690                 outfn (stream, _("Don't understand 0x%x \n"), looking_for);
 691             }
 692
 693           len++;
 694           nib++;
 695         }
 696
 697     fail:
 698       ;
 699     }
 700
 701   /* Fell off the end.  */
 702   outfn (stream, ".word\tH'%x,H'%x", data[0], data[1]);
 703   return 2;
 704 }
 705
 706 int
 707 print_insn_h8300 (bfd_vma addr, disassemble_info *info)
 708 {
 709   return bfd_h8_disassemble (addr, info, 0);
 710 }
 711
 712 int
 713 print_insn_h8300h (bfd_vma addr, disassemble_info *info)
 714 {
 715   return bfd_h8_disassemble (addr, info, 1);
 716 }
 717
 718 int
 719 print_insn_h8300s (bfd_vma addr, disassemble_info *info)
 720 {
 721   return bfd_h8_disassemble (addr, info, 2);
 722 }