opcodes/h8300-dis.c

   1 /* Disassemble h8300 instructions.
   2    Copyright 1993, 1994, 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
   3    2007, 2010  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       /* Just make sure there are an even number of nibbles in it, and
  57          that the count is the same as the length.  */
  58       for (i = 0; p->data.nib[i] != (op_type) E; i++)
  59         ;
  60
  61       if (i & 1)
  62         {
  63           fprintf (stderr, "Internal error, h8_disassemble_init.\n");
  64           abort ();
  65         }
  66
  67       pi->length = i / 2;
  68       pi->opcode = p;
  69     }
  70
  71   /* Add entry for the NULL vector terminator.  */
  72   pi->length = 0;
  73   pi->opcode = p;
  74 }
  75
  76 static void
  77 extract_immediate (FILE *stream,
  78                    op_type looking_for,
  79                    int thisnib,
  80                    unsigned char *data,
  81                    int *cst,
  82                    int *len,
  83                    const struct h8_opcode *q)
  84 {
  85   switch (looking_for & SIZE)
  86     {
  87     case L_2:
  88       *len = 2;
  89       *cst = thisnib & 3;
  90
  91       /* DISP2 special treatment.  */
  92       if ((looking_for & MODE) == DISP)
  93         {
  94           if (OP_KIND (q->how) == O_MOVAB
  95               || OP_KIND (q->how) == O_MOVAW
  96               || OP_KIND (q->how) == O_MOVAL)
  97             {
  98               /* Handling for mova insn.  */
  99               switch (q->args.nib[0] & MODE)
 100                 {
 101                 case INDEXB:
 102                 default:
 103                   break;
 104                 case INDEXW:
 105                   *cst *= 2;
 106                   break;
 107                 case INDEXL:
 108                   *cst *= 4;
 109                   break;
 110                 }
 111             }
 112           else
 113             {
 114               /* Handling for non-mova insn.  */
 115               switch (OP_SIZE (q->how))
 116                 {
 117                 default: break;
 118                 case SW:
 119                   *cst *= 2;
 120                   break;
 121                 case SL:
 122                   *cst *= 4;
 123                   break;
 124                 }
 125             }
 126         }
 127       break;
 128     case L_8:
 129       *len = 8;
 130       *cst = data[0];
 131       break;
 132     case L_16:
 133     case L_16U:
 134       *len = 16;
 135       *cst = (data[0] << 8) + data [1];
 136 #if 0
 137       if ((looking_for & SIZE) == L_16)
 138         *cst = (short) *cst;    /* Sign extend.  */
 139 #endif
 140       break;
 141     case L_32:
 142       *len = 32;
 143       *cst = (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3];
 144       break;
 145     default:
 146       *len = 0;
 147       *cst = 0;
 148       fprintf (stream, "DISP bad size\n");
 149       break;
 150     }
 151 }
 152
 153 static const char *regnames[] =
 154 {
 155   "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h",
 156   "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l"
 157 };
 158 static const char *wregnames[] =
 159 {
 160   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
 161   "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7"
 162 };
 163 static const char *lregnames[] =
 164 {
 165   "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7",
 166   "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7"
 167 };
 168 static const char *cregnames[] =
 169 {
 170   "ccr", "exr", "mach", "macl", "", "", "vbr", "sbr"
 171 };
 172
 173 static void
 174 print_one_arg (disassemble_info *info,
 175                bfd_vma addr,
 176                op_type x,
 177                int cst,
 178                int cstlen,
 179                int rdisp_n,
 180                int rn,
 181                const char **pregnames,
 182                int len)
 183 {
 184   void * stream = info->stream;
 185   fprintf_ftype outfn = info->fprintf_func;
 186
 187   if ((x & SIZE) == L_3 || (x & SIZE) == L_3NZ)
 188     outfn (stream, "#0x%x", (unsigned) cst);
 189   else if ((x & MODE) == IMM)
 190     outfn (stream, "#0x%x", (unsigned) cst);
 191   else if ((x & MODE) == DBIT || (x & MODE) == KBIT)
 192     outfn (stream, "#%d", (unsigned) cst);
 193   else if ((x & MODE) == CONST_2)
 194     outfn (stream, "#2");
 195   else if ((x & MODE) == CONST_4)
 196     outfn (stream, "#4");
 197   else if ((x & MODE) == CONST_8)
 198     outfn (stream, "#8");
 199   else if ((x & MODE) == CONST_16)
 200     outfn (stream, "#16");
 201   else if ((x & MODE) == REG)
 202     {
 203       switch (x & SIZE)
 204         {
 205         case L_8:
 206           outfn (stream, "%s", regnames[rn]);
 207           break;
 208         case L_16:
 209         case L_16U:
 210           outfn (stream, "%s", wregnames[rn]);
 211           break;
 212         case L_P:
 213         case L_32:
 214           outfn (stream, "%s", lregnames[rn]);
 215           break;
 216         }
 217     }
 218   else if ((x & MODE) == LOWREG)
 219     {
 220       switch (x & SIZE)
 221         {
 222         case L_8:
 223           /* Always take low half of reg.  */
 224           outfn (stream, "%s.b", regnames[rn < 8 ? rn + 8 : rn]);
 225           break;
 226         case L_16:
 227         case L_16U:
 228           /* Always take low half of reg.  */
 229           outfn (stream, "%s.w", wregnames[rn < 8 ? rn : rn - 8]);
 230           break;
 231         case L_P:
 232         case L_32:
 233           outfn (stream, "%s.l", lregnames[rn]);
 234           break;
 235         }
 236     }
 237   else if ((x & MODE) == POSTINC)
 238     outfn (stream, "@%s+", pregnames[rn]);
 239
 240   else if ((x & MODE) == POSTDEC)
 241     outfn (stream, "@%s-", pregnames[rn]);
 242
 243   else if ((x & MODE) == PREINC)
 244     outfn (stream, "@+%s", pregnames[rn]);
 245
 246   else if ((x & MODE) == PREDEC)
 247     outfn (stream, "@-%s", pregnames[rn]);
 248
 249   else if ((x & MODE) == IND)
 250     outfn (stream, "@%s", pregnames[rn]);
 251
 252   else if ((x & MODE) == ABS || (x & ABSJMP))
 253     outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen);
 254
 255   else if ((x & MODE) == MEMIND)
 256     outfn (stream, "@@%d (0x%x)", cst, cst);
 257
 258   else if ((x & MODE) == VECIND)
 259     {
 260       /* FIXME Multiplier should be 2 or 4, depending on processor mode,
 261          by which is meant "normal" vs. "middle", "advanced", "maximum".  */
 262
 263       int offset = (cst + 0x80) * 4;
 264       outfn (stream, "@@%d (0x%x)", offset, offset);
 265     }
 266   else if ((x & MODE) == PCREL)
 267     {
 268       if ((x & SIZE) == L_16 ||
 269           (x & SIZE) == L_16U)
 270         {
 271           outfn (stream, ".%s%d (0x%lx)",
 272                    (short) cst > 0 ? "+" : "",
 273                    (short) cst,
 274                    (long)(addr + (short) cst + len));
 275         }
 276       else
 277         {
 278           outfn (stream, ".%s%d (0x%lx)",
 279                    (char) cst > 0 ? "+" : "",
 280                    (char) cst,
 281                    (long)(addr + (char) cst + len));
 282         }
 283     }
 284   else if ((x & MODE) == DISP)
 285     outfn (stream, "@(0x%x:%d,%s)", cst, cstlen, pregnames[rdisp_n]);
 286
 287   else if ((x & MODE) == INDEXB)
 288     /* Always take low half of reg.  */
 289     outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen,
 290            regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]);
 291
 292   else if ((x & MODE) == INDEXW)
 293     /* Always take low half of reg.  */
 294     outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen,
 295            wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]);
 296
 297   else if ((x & MODE) == INDEXL)
 298     outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, lregnames[rdisp_n]);
 299
 300   else if (x & CTRL)
 301     outfn (stream, cregnames[rn]);
 302
 303   else if ((x & MODE) == CCR)
 304     outfn (stream, "ccr");
 305
 306   else if ((x & MODE) == EXR)
 307     outfn (stream, "exr");
 308
 309   else if ((x & MODE) == MACREG)
 310     outfn (stream, "mac%c", cst ? 'l' : 'h');
 311
 312   else
 313     /* xgettext:c-format */
 314     outfn (stream, _("Hmmmm 0x%x"), x);
 315 }
 316
 317 static unsigned int
 318 bfd_h8_disassemble (bfd_vma addr, disassemble_info *info, int mach)
 319 {
 320   /* Find the first entry in the table for this opcode.  */
 321   int regno[3] = { 0, 0, 0 };
 322   int dispregno[3] = { 0, 0, 0 };
 323   int cst[3] = { 0, 0, 0 };
 324   int cstlen[3] = { 0, 0, 0 };
 325   static bfd_boolean init = 0;
 326   const struct h8_instruction *qi;
 327   char const **pregnames = mach != 0 ? lregnames : wregnames;
 328   int status;
 329   unsigned int l;
 330   unsigned char data[MAX_CODE_NIBBLES];
 331   void *stream = info->stream;
 332   fprintf_ftype outfn = info->fprintf_func;
 333
 334   if (!init)
 335     {
 336       bfd_h8_disassemble_init ();
 337       init = 1;
 338     }
 339
 340   status = info->read_memory_func (addr, data, 2, info);
 341   if (status != 0)
 342     {
 343       info->memory_error_func (status, addr, info);
 344       return -1;
 345     }
 346
 347   for (l = 2; status == 0 && l < sizeof (data) / 2; l += 2)
 348     status = info->read_memory_func (addr + l, data + l, 2, info);
 349
 350   /* Find the exact opcode/arg combo.  */
 351   for (qi = h8_instructions; qi->opcode->name; qi++)
 352     {
 353       const struct h8_opcode *q = qi->opcode;
 354       const op_type *nib = q->data.nib;
 355       unsigned int len = 0;
 356
 357       while (1)
 358         {
 359           op_type looking_for = *nib;
 360           int thisnib = data[len / 2];
 361           int opnr;
 362
 363           thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf);
 364           opnr = ((looking_for & OP3) == OP3 ? 2
 365                   : (looking_for & DST) == DST ? 1 : 0);
 366
 367           if (looking_for < 16 && looking_for >= 0)
 368             {
 369               if (looking_for != thisnib)
 370                 goto fail;
 371             }
 372           else
 373             {
 374               if ((int) looking_for & (int) B31)
 375                 {
 376                   if (!((thisnib & 0x8) != 0))
 377                     goto fail;
 378
 379                   looking_for = (op_type) ((int) looking_for & ~(int) B31);
 380                   thisnib &= 0x7;
 381                 }
 382               else if ((int) looking_for & (int) B30)
 383                 {
 384                   if (!((thisnib & 0x8) == 0))
 385                     goto fail;
 386
 387                   looking_for = (op_type) ((int) looking_for & ~(int) B30);
 388                 }
 389
 390               if ((int) looking_for & (int) B21)
 391                 {
 392                   if (!((thisnib & 0x4) != 0))
 393                     goto fail;
 394
 395                   looking_for = (op_type) ((int) looking_for & ~(int) B21);
 396                   thisnib &= 0xb;
 397                 }
 398               else if ((int) looking_for & (int) B20)
 399                 {
 400                   if (!((thisnib & 0x4) == 0))
 401                     goto fail;
 402
 403                   looking_for = (op_type) ((int) looking_for & ~(int) B20);
 404                 }
 405               if ((int) looking_for & (int) B11)
 406                 {
 407                   if (!((thisnib & 0x2) != 0))
 408                     goto fail;
 409
 410                   looking_for = (op_type) ((int) looking_for & ~(int) B11);
 411                   thisnib &= 0xd;
 412                 }
 413               else if ((int) looking_for & (int) B10)
 414                 {
 415                   if (!((thisnib & 0x2) == 0))
 416                     goto fail;
 417
 418                   looking_for = (op_type) ((int) looking_for & ~(int) B10);
 419                 }
 420
 421               if ((int) looking_for & (int) B01)
 422                 {
 423                   if (!((thisnib & 0x1) != 0))
 424                     goto fail;
 425
 426                   looking_for = (op_type) ((int) looking_for & ~(int) B01);
 427                   thisnib &= 0xe;
 428                 }
 429               else if ((int) looking_for & (int) B00)
 430                 {
 431                   if (!((thisnib & 0x1) == 0))
 432                     goto fail;
 433
 434                   looking_for = (op_type) ((int) looking_for & ~(int) B00);
 435                 }
 436
 437               if (looking_for & IGNORE)
 438                 {
 439                   /* Hitachi has declared that IGNORE must be zero.  */
 440                   if (thisnib != 0)
 441                     goto fail;
 442                 }
 443               else if ((looking_for & MODE) == DATA)
 444                 {
 445                   ;                     /* Skip embedded data.  */
 446                 }
 447               else if ((looking_for & MODE) == DBIT)
 448                 {
 449                   /* Exclude adds/subs by looking at bit 0 and 2, and
 450                      make sure the operand size, either w or l,
 451                      matches by looking at bit 1.  */
 452                   if ((looking_for & 7) != (thisnib & 7))
 453                     goto fail;
 454
 455                   cst[opnr] = (thisnib & 0x8) ? 2 : 1;
 456                 }
 457               else if ((looking_for & MODE) == DISP
 458                        || (looking_for & MODE) == ABS
 459                        || (looking_for & MODE) == PCREL
 460                        || (looking_for & MODE) == INDEXB
 461                        || (looking_for & MODE) == INDEXW
 462                        || (looking_for & MODE) == INDEXL)
 463                 {
 464                   extract_immediate (stream, looking_for, thisnib,
 465                                      data + len / 2, cst + opnr,
 466                                      cstlen + opnr, q);
 467                   /* Even address == bra, odd == bra/s.  */
 468                   if (q->how == O (O_BRAS, SB))
 469                     cst[opnr] -= 1;
 470                 }
 471               else if ((looking_for & MODE) == REG
 472                        || (looking_for & MODE) == LOWREG
 473                        || (looking_for & MODE) == IND
 474                        || (looking_for & MODE) == PREINC
 475                        || (looking_for & MODE) == POSTINC
 476                        || (looking_for & MODE) == PREDEC
 477                        || (looking_for & MODE) == POSTDEC)
 478                 {
 479                   regno[opnr] = thisnib;
 480                 }
 481               else if (looking_for & CTRL)      /* Control Register.  */
 482                 {
 483                   thisnib &= 7;
 484                   if (((looking_for & MODE) == CCR  && (thisnib != C_CCR))
 485                       || ((looking_for & MODE) == EXR  && (thisnib != C_EXR))
 486                       || ((looking_for & MODE) == MACH && (thisnib != C_MACH))
 487                       || ((looking_for & MODE) == MACL && (thisnib != C_MACL))
 488                       || ((looking_for & MODE) == VBR  && (thisnib != C_VBR))
 489                       || ((looking_for & MODE) == SBR  && (thisnib != C_SBR)))
 490                     goto fail;
 491                   if (((looking_for & MODE) == CCR_EXR
 492                        && (thisnib != C_CCR && thisnib != C_EXR))
 493                       || ((looking_for & MODE) == VBR_SBR
 494                           && (thisnib != C_VBR && thisnib != C_SBR))
 495                       || ((looking_for & MODE) == MACREG
 496                           && (thisnib != C_MACH && thisnib != C_MACL)))
 497                     goto fail;
 498                   if (((looking_for & MODE) == CC_EX_VB_SB
 499                        && (thisnib != C_CCR && thisnib != C_EXR
 500                            && thisnib != C_VBR && thisnib != C_SBR)))
 501                     goto fail;
 502
 503                   regno[opnr] = thisnib;
 504                 }
 505               else if ((looking_for & SIZE) == L_5)
 506                 {
 507                   cst[opnr] = data[len / 2] & 31;
 508                   cstlen[opnr] = 5;
 509                 }
 510               else if ((looking_for & SIZE) == L_4)
 511                 {
 512                   cst[opnr] = thisnib;
 513                   cstlen[opnr] = 4;
 514                 }
 515               else if ((looking_for & SIZE) == L_16
 516                        || (looking_for & SIZE) == L_16U)
 517                 {
 518                   cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2];
 519                   cstlen[opnr] = 16;
 520                 }
 521               else if ((looking_for & MODE) == MEMIND)
 522                 {
 523                   cst[opnr] = data[1];
 524                 }
 525               else if ((looking_for & MODE) == VECIND)
 526                 {
 527                   cst[opnr] = data[1] & 0x7f;
 528                 }
 529               else if ((looking_for & SIZE) == L_32)
 530                 {
 531                   int i = len / 2;
 532
 533                   cst[opnr] = ((data[i] << 24)
 534                                | (data[i + 1] << 16)
 535                                | (data[i + 2] << 8)
 536                                | (data[i + 3]));
 537
 538                   cstlen[opnr] = 32;
 539                 }
 540               else if ((looking_for & SIZE) == L_24)
 541                 {
 542                   int i = len / 2;
 543
 544                   cst[opnr] =
 545                     (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]);
 546                   cstlen[opnr] = 24;
 547                 }
 548               else if (looking_for & IGNORE)
 549                 {
 550                   ;
 551                 }
 552               else if (looking_for & DISPREG)
 553                 {
 554                   dispregno[opnr] = thisnib & 7;
 555                 }
 556               else if ((looking_for & MODE) == KBIT)
 557                 {
 558                   switch (thisnib)
 559                     {
 560                     case 9:
 561                       cst[opnr] = 4;
 562                       break;
 563                     case 8:
 564                       cst[opnr] = 2;
 565                       break;
 566                     case 0:
 567                       cst[opnr] = 1;
 568                       break;
 569                     default:
 570                       goto fail;
 571                     }
 572                 }
 573               else if ((looking_for & SIZE) == L_8)
 574                 {
 575                   cstlen[opnr] = 8;
 576                   cst[opnr] = data[len / 2];
 577                 }
 578               else if ((looking_for & SIZE) == L_3
 579                        || (looking_for & SIZE) == L_3NZ)
 580                 {
 581                   cst[opnr] = thisnib & 0x7;
 582                   if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ)
 583                     goto fail;
 584                 }
 585               else if ((looking_for & SIZE) == L_2)
 586                 {
 587                   cstlen[opnr] = 2;
 588                   cst[opnr] = thisnib & 0x3;
 589                 }
 590               else if ((looking_for & MODE) == MACREG)
 591                 {
 592                   cst[opnr] = (thisnib == 3);
 593                 }
 594               else if (looking_for == (op_type) E)
 595                 {
 596                   outfn (stream, "%s\t", q->name);
 597
 598                   /* Gross.  Disgusting.  */
 599                   if (strcmp (q->name, "ldm.l") == 0)
 600                     {
 601                       int count, high;
 602
 603                       count = (data[1] / 16) & 0x3;
 604                       high = regno[1];
 605
 606                       outfn (stream, "@sp+,er%d-er%d", high - count, high);
 607                       return qi->length;
 608                     }
 609
 610                   if (strcmp (q->name, "stm.l") == 0)
 611                     {
 612                       int count, low;
 613
 614                       count = (data[1] / 16) & 0x3;
 615                       low = regno[0];
 616
 617                       outfn (stream, "er%d-er%d,@-sp", low, low + count);
 618                       return qi->length;
 619                     }
 620                   if (strcmp (q->name, "rte/l") == 0
 621                       || strcmp (q->name, "rts/l") == 0)
 622                     {
 623                       if (regno[0] == 0)
 624                         outfn (stream, "er%d", regno[1]);
 625                       else
 626                         outfn (stream, "er%d-er%d", regno[1] - regno[0],
 627                                regno[1]);
 628                       return qi->length;
 629                     }
 630                   if (CONST_STRNEQ (q->name, "mova"))
 631                     {
 632                       const op_type *args = q->args.nib;
 633
 634                       if (args[1] == (op_type) E)
 635                         {
 636                           /* Short form.  */
 637                           print_one_arg (info, addr, args[0], cst[0],
 638                                          cstlen[0], dispregno[0], regno[0],
 639                                          pregnames, qi->length);
 640                           outfn (stream, ",er%d", dispregno[0]);
 641                         }
 642                       else
 643                         {
 644                           outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]);
 645                           print_one_arg (info, addr, args[1], cst[1],
 646                                          cstlen[1], dispregno[1], regno[1],
 647                                          pregnames, qi->length);
 648                           outfn (stream, ".%c),",
 649                                  (args[0] & MODE) == INDEXB ? 'b' : 'w');
 650                           print_one_arg (info, addr, args[2], cst[2],
 651                                          cstlen[2], dispregno[2], regno[2],
 652                                          pregnames, qi->length);
 653                         }
 654                       return qi->length;
 655                     }
 656                   /* Fill in the args.  */
 657                   {
 658                     const op_type *args = q->args.nib;
 659                     int hadone = 0;
 660                     int nargs;
 661
 662                     /* Special case handling for the adds and subs instructions
 663                        since in H8 mode thay can only take the r0-r7 registers
 664                        but in other (higher) modes they can take the er0-er7
 665                        registers as well.  */
 666                     if (strcmp (qi->opcode->name, "adds") == 0
 667                         || strcmp (qi->opcode->name, "subs") == 0)
 668                       {
 669                         outfn (stream, "#%d,%s", cst[0], pregnames[regno[1] & 0x7]);
 670                         return qi->length;
 671                       }
 672
 673                     for (nargs = 0;
 674                          nargs < 3 && args[nargs] != (op_type) E;
 675                          nargs++)
 676                       {
 677                         int x = args[nargs];
 678
 679                         if (hadone)
 680                           outfn (stream, ",");
 681
 682                         print_one_arg (info, addr, x,
 683                                        cst[nargs], cstlen[nargs],
 684                                        dispregno[nargs], regno[nargs],
 685                                        pregnames, qi->length);
 686
 687                         hadone = 1;
 688                       }
 689                   }
 690
 691                   return qi->length;
 692                 }
 693               else
 694                 /* xgettext:c-format */
 695                 outfn (stream, _("Don't understand 0x%x \n"), looking_for);
 696             }
 697
 698           len++;
 699           nib++;
 700         }
 701
 702     fail:
 703       ;
 704     }
 705
 706   /* Fell off the end.  */
 707   outfn (stream, ".word\tH'%x,H'%x", data[0], data[1]);
 708   return 2;
 709 }
 710
 711 int
 712 print_insn_h8300 (bfd_vma addr, disassemble_info *info)
 713 {
 714   return bfd_h8_disassemble (addr, info, 0);
 715 }
 716
 717 int
 718 print_insn_h8300h (bfd_vma addr, disassemble_info *info)
 719 {
 720   return bfd_h8_disassemble (addr, info, 1);
 721 }
 722
 723 int
 724 print_insn_h8300s (bfd_vma addr, disassemble_info *info)
 725 {
 726   return bfd_h8_disassemble (addr, info, 2);
 727 }