gnu/dist/gdb6/opcodes/h8300-dis.c

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