opcodes/disassemble.c

   1 /* Select disassembly routine for specified architecture.
   2    Copyright (C) 1994-2022 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 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public 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 #include "sysdep.h"
  22 #include "disassemble.h"
  23 #include "safe-ctype.h"
  24 #include "opintl.h"
  25
  26 #ifdef ARCH_all
  27 #ifdef BFD64
  28 #define ARCH_aarch64
  29 #define ARCH_alpha
  30 #define ARCH_bpf
  31 #define ARCH_cris
  32 #define ARCH_ia64
  33 #define ARCH_loongarch
  34 #define ARCH_mips
  35 #define ARCH_mmix
  36 #define ARCH_nfp
  37 #define ARCH_riscv
  38 #define ARCH_score
  39 #define ARCH_tilegx
  40 #endif
  41 #define ARCH_arc
  42 #define ARCH_arm
  43 #define ARCH_avr
  44 #define ARCH_bfin
  45 #define ARCH_cr16
  46 #define ARCH_crx
  47 #define ARCH_csky
  48 #define ARCH_d10v
  49 #define ARCH_d30v
  50 #define ARCH_dlx
  51 #define ARCH_epiphany
  52 #define ARCH_fr30
  53 #define ARCH_frv
  54 #define ARCH_ft32
  55 #define ARCH_h8300
  56 #define ARCH_hppa
  57 #define ARCH_i386
  58 #define ARCH_ip2k
  59 #define ARCH_iq2000
  60 #define ARCH_lm32
  61 #define ARCH_m32c
  62 #define ARCH_m32r
  63 #define ARCH_m68hc11
  64 #define ARCH_m68hc12
  65 #define ARCH_m68k
  66 #define ARCH_mcore
  67 #define ARCH_mep
  68 #define ARCH_metag
  69 #define ARCH_microblaze
  70 #define ARCH_mn10200
  71 #define ARCH_mn10300
  72 #define ARCH_moxie
  73 #define ARCH_mt
  74 #define ARCH_msp430
  75 #define ARCH_nds32
  76 #define ARCH_nios2
  77 #define ARCH_ns32k
  78 #define ARCH_or1k
  79 #define ARCH_pdp11
  80 #define ARCH_pj
  81 #define ARCH_powerpc
  82 #define ARCH_pru
  83 #define ARCH_rs6000
  84 #define ARCH_rl78
  85 #define ARCH_rx
  86 #define ARCH_s12z
  87 #define ARCH_s390
  88 #define ARCH_sh
  89 #define ARCH_sparc
  90 #define ARCH_spu
  91 #define ARCH_tic30
  92 #define ARCH_tic4x
  93 #define ARCH_tic54x
  94 #define ARCH_tic6x
  95 #define ARCH_tilepro
  96 #define ARCH_v850
  97 #define ARCH_vax
  98 #define ARCH_visium
  99 #define ARCH_wasm32
 100 #define ARCH_xstormy16
 101 #define ARCH_xc16x
 102 #define ARCH_xgate
 103 #define ARCH_xtensa
 104 #define ARCH_z80
 105 #define ARCH_z8k
 106 #endif
 107
 108 #ifdef ARCH_m32c
 109 #include "m32c-desc.h"
 110 #endif
 111
 112 #ifdef ARCH_bpf
 113 /* XXX this should be including bpf-desc.h instead of this hackery,
 114    but at the moment it is not possible to include several CGEN
 115    generated *-desc.h files simultaneously.  To be fixed in
 116    CGEN...  */
 117
 118 # ifdef ARCH_m32c
 119 enum epbf_isa_attr
 120 {
 121   ISA_EBPFLE, ISA_EBPFBE, ISA_XBPFLE, ISA_XBPFBE, ISA_EBPFMAX
 122 };
 123 # else
 124 #  include "bpf-desc.h"
 125 #  define ISA_EBPFMAX ISA_MAX
 126 # endif
 127 #endif /* ARCH_bpf */
 128
 129 disassembler_ftype
 130 disassembler (enum bfd_architecture a,
 131               bool big ATTRIBUTE_UNUSED,
 132               unsigned long mach ATTRIBUTE_UNUSED,
 133               bfd *abfd ATTRIBUTE_UNUSED)
 134 {
 135   disassembler_ftype disassemble;
 136
 137   switch (a)
 138     {
 139       /* If you add a case to this table, also add it to the
 140          ARCH_all definition right above this function.  */
 141 #ifdef ARCH_aarch64
 142     case bfd_arch_aarch64:
 143       disassemble = print_insn_aarch64;
 144       break;
 145 #endif
 146 #ifdef ARCH_alpha
 147     case bfd_arch_alpha:
 148       disassemble = print_insn_alpha;
 149       break;
 150 #endif
 151 #ifdef ARCH_arc
 152     case bfd_arch_arc:
 153       disassemble = arc_get_disassembler (abfd);
 154       break;
 155 #endif
 156 #ifdef ARCH_arm
 157     case bfd_arch_arm:
 158       if (big)
 159         disassemble = print_insn_big_arm;
 160       else
 161         disassemble = print_insn_little_arm;
 162       break;
 163 #endif
 164 #ifdef ARCH_avr
 165     case bfd_arch_avr:
 166       disassemble = print_insn_avr;
 167       break;
 168 #endif
 169 #ifdef ARCH_bfin
 170     case bfd_arch_bfin:
 171       disassemble = print_insn_bfin;
 172       break;
 173 #endif
 174 #ifdef ARCH_cr16
 175     case bfd_arch_cr16:
 176       disassemble = print_insn_cr16;
 177       break;
 178 #endif
 179 #ifdef ARCH_cris
 180     case bfd_arch_cris:
 181       disassemble = cris_get_disassembler (abfd);
 182       break;
 183 #endif
 184 #ifdef ARCH_crx
 185     case bfd_arch_crx:
 186       disassemble = print_insn_crx;
 187       break;
 188 #endif
 189 #ifdef ARCH_csky
 190     case bfd_arch_csky:
 191       disassemble = csky_get_disassembler (abfd);
 192       break;
 193 #endif
 194
 195 #ifdef ARCH_d10v
 196     case bfd_arch_d10v:
 197       disassemble = print_insn_d10v;
 198       break;
 199 #endif
 200 #ifdef ARCH_d30v
 201     case bfd_arch_d30v:
 202       disassemble = print_insn_d30v;
 203       break;
 204 #endif
 205 #ifdef ARCH_dlx
 206     case bfd_arch_dlx:
 207       /* As far as I know we only handle big-endian DLX objects.  */
 208       disassemble = print_insn_dlx;
 209       break;
 210 #endif
 211 #ifdef ARCH_h8300
 212     case bfd_arch_h8300:
 213       if (mach == bfd_mach_h8300h || mach == bfd_mach_h8300hn)
 214         disassemble = print_insn_h8300h;
 215       else if (mach == bfd_mach_h8300s
 216                || mach == bfd_mach_h8300sn
 217                || mach == bfd_mach_h8300sx
 218                || mach == bfd_mach_h8300sxn)
 219         disassemble = print_insn_h8300s;
 220       else
 221         disassemble = print_insn_h8300;
 222       break;
 223 #endif
 224 #ifdef ARCH_hppa
 225     case bfd_arch_hppa:
 226       disassemble = print_insn_hppa;
 227       break;
 228 #endif
 229 #ifdef ARCH_i386
 230     case bfd_arch_i386:
 231     case bfd_arch_iamcu:
 232     case bfd_arch_l1om:
 233     case bfd_arch_k1om:
 234       disassemble = print_insn_i386;
 235       break;
 236 #endif
 237 #ifdef ARCH_ia64
 238     case bfd_arch_ia64:
 239       disassemble = print_insn_ia64;
 240       break;
 241 #endif
 242 #ifdef ARCH_ip2k
 243     case bfd_arch_ip2k:
 244       disassemble = print_insn_ip2k;
 245       break;
 246 #endif
 247 #ifdef ARCH_bpf
 248     case bfd_arch_bpf:
 249       disassemble = print_insn_bpf;
 250       break;
 251 #endif
 252 #ifdef ARCH_epiphany
 253     case bfd_arch_epiphany:
 254       disassemble = print_insn_epiphany;
 255       break;
 256 #endif
 257 #ifdef ARCH_fr30
 258     case bfd_arch_fr30:
 259       disassemble = print_insn_fr30;
 260       break;
 261 #endif
 262 #ifdef ARCH_lm32
 263     case bfd_arch_lm32:
 264       disassemble = print_insn_lm32;
 265       break;
 266 #endif
 267 #ifdef ARCH_m32r
 268     case bfd_arch_m32r:
 269       disassemble = print_insn_m32r;
 270       break;
 271 #endif
 272 #if defined(ARCH_m68hc11) || defined(ARCH_m68hc12) \
 273     || defined(ARCH_9s12x) || defined(ARCH_m9s12xg)
 274     case bfd_arch_m68hc11:
 275       disassemble = print_insn_m68hc11;
 276       break;
 277     case bfd_arch_m68hc12:
 278       disassemble = print_insn_m68hc12;
 279       break;
 280     case bfd_arch_m9s12x:
 281       disassemble = print_insn_m9s12x;
 282       break;
 283     case bfd_arch_m9s12xg:
 284       disassemble = print_insn_m9s12xg;
 285       break;
 286 #endif
 287 #if defined(ARCH_s12z)
 288     case bfd_arch_s12z:
 289       disassemble = print_insn_s12z;
 290       break;
 291 #endif
 292 #ifdef ARCH_m68k
 293     case bfd_arch_m68k:
 294       disassemble = print_insn_m68k;
 295       break;
 296 #endif
 297 #ifdef ARCH_mt
 298     case bfd_arch_mt:
 299       disassemble = print_insn_mt;
 300       break;
 301 #endif
 302 #ifdef ARCH_microblaze
 303     case bfd_arch_microblaze:
 304       disassemble = print_insn_microblaze;
 305       break;
 306 #endif
 307 #ifdef ARCH_msp430
 308     case bfd_arch_msp430:
 309       disassemble = print_insn_msp430;
 310       break;
 311 #endif
 312 #ifdef ARCH_nds32
 313     case bfd_arch_nds32:
 314       disassemble = print_insn_nds32;
 315       break;
 316 #endif
 317 #ifdef ARCH_nfp
 318     case bfd_arch_nfp:
 319       disassemble = print_insn_nfp;
 320       break;
 321 #endif
 322 #ifdef ARCH_ns32k
 323     case bfd_arch_ns32k:
 324       disassemble = print_insn_ns32k;
 325       break;
 326 #endif
 327 #ifdef ARCH_mcore
 328     case bfd_arch_mcore:
 329       disassemble = print_insn_mcore;
 330       break;
 331 #endif
 332 #ifdef ARCH_mep
 333     case bfd_arch_mep:
 334       disassemble = print_insn_mep;
 335       break;
 336 #endif
 337 #ifdef ARCH_metag
 338     case bfd_arch_metag:
 339       disassemble = print_insn_metag;
 340       break;
 341 #endif
 342 #ifdef ARCH_mips
 343     case bfd_arch_mips:
 344       if (big)
 345         disassemble = print_insn_big_mips;
 346       else
 347         disassemble = print_insn_little_mips;
 348       break;
 349 #endif
 350 #ifdef ARCH_mmix
 351     case bfd_arch_mmix:
 352       disassemble = print_insn_mmix;
 353       break;
 354 #endif
 355 #ifdef ARCH_mn10200
 356     case bfd_arch_mn10200:
 357       disassemble = print_insn_mn10200;
 358       break;
 359 #endif
 360 #ifdef ARCH_mn10300
 361     case bfd_arch_mn10300:
 362       disassemble = print_insn_mn10300;
 363       break;
 364 #endif
 365 #ifdef ARCH_nios2
 366     case bfd_arch_nios2:
 367       if (big)
 368         disassemble = print_insn_big_nios2;
 369       else
 370         disassemble = print_insn_little_nios2;
 371       break;
 372 #endif
 373 #ifdef ARCH_or1k
 374     case bfd_arch_or1k:
 375       disassemble = print_insn_or1k;
 376       break;
 377 #endif
 378 #ifdef ARCH_pdp11
 379     case bfd_arch_pdp11:
 380       disassemble = print_insn_pdp11;
 381       break;
 382 #endif
 383 #ifdef ARCH_pj
 384     case bfd_arch_pj:
 385       disassemble = print_insn_pj;
 386       break;
 387 #endif
 388 #ifdef ARCH_powerpc
 389     case bfd_arch_powerpc:
 390 #endif
 391 #ifdef ARCH_rs6000
 392     case bfd_arch_rs6000:
 393 #endif
 394 #if defined ARCH_powerpc || defined ARCH_rs6000
 395       if (big)
 396         disassemble = print_insn_big_powerpc;
 397       else
 398         disassemble = print_insn_little_powerpc;
 399       break;
 400 #endif
 401 #ifdef ARCH_pru
 402     case bfd_arch_pru:
 403       disassemble = print_insn_pru;
 404       break;
 405 #endif
 406 #ifdef ARCH_riscv
 407     case bfd_arch_riscv:
 408       disassemble = riscv_get_disassembler (abfd);
 409       break;
 410 #endif
 411 #ifdef ARCH_rl78
 412     case bfd_arch_rl78:
 413       disassemble = rl78_get_disassembler (abfd);
 414       break;
 415 #endif
 416 #ifdef ARCH_rx
 417     case bfd_arch_rx:
 418       disassemble = print_insn_rx;
 419       break;
 420 #endif
 421 #ifdef ARCH_s390
 422     case bfd_arch_s390:
 423       disassemble = print_insn_s390;
 424       break;
 425 #endif
 426 #ifdef ARCH_score
 427     case bfd_arch_score:
 428       if (big)
 429         disassemble = print_insn_big_score;
 430       else
 431         disassemble = print_insn_little_score;
 432      break;
 433 #endif
 434 #ifdef ARCH_sh
 435     case bfd_arch_sh:
 436       disassemble = print_insn_sh;
 437       break;
 438 #endif
 439 #ifdef ARCH_sparc
 440     case bfd_arch_sparc:
 441       disassemble = print_insn_sparc;
 442       break;
 443 #endif
 444 #ifdef ARCH_spu
 445     case bfd_arch_spu:
 446       disassemble = print_insn_spu;
 447       break;
 448 #endif
 449 #ifdef ARCH_tic30
 450     case bfd_arch_tic30:
 451       disassemble = print_insn_tic30;
 452       break;
 453 #endif
 454 #ifdef ARCH_tic4x
 455     case bfd_arch_tic4x:
 456       disassemble = print_insn_tic4x;
 457       break;
 458 #endif
 459 #ifdef ARCH_tic54x
 460     case bfd_arch_tic54x:
 461       disassemble = print_insn_tic54x;
 462       break;
 463 #endif
 464 #ifdef ARCH_tic6x
 465     case bfd_arch_tic6x:
 466       disassemble = print_insn_tic6x;
 467       break;
 468 #endif
 469 #ifdef ARCH_ft32
 470     case bfd_arch_ft32:
 471       disassemble = print_insn_ft32;
 472       break;
 473 #endif
 474 #ifdef ARCH_v850
 475     case bfd_arch_v850:
 476     case bfd_arch_v850_rh850:
 477       disassemble = print_insn_v850;
 478       break;
 479 #endif
 480 #ifdef ARCH_wasm32
 481     case bfd_arch_wasm32:
 482       disassemble = print_insn_wasm32;
 483       break;
 484 #endif
 485 #ifdef ARCH_xgate
 486     case bfd_arch_xgate:
 487       disassemble = print_insn_xgate;
 488       break;
 489 #endif
 490 #ifdef ARCH_xstormy16
 491     case bfd_arch_xstormy16:
 492       disassemble = print_insn_xstormy16;
 493       break;
 494 #endif
 495 #ifdef ARCH_xc16x
 496     case bfd_arch_xc16x:
 497       disassemble = print_insn_xc16x;
 498       break;
 499 #endif
 500 #ifdef ARCH_xtensa
 501     case bfd_arch_xtensa:
 502       disassemble = print_insn_xtensa;
 503       break;
 504 #endif
 505 #ifdef ARCH_z80
 506     case bfd_arch_z80:
 507       disassemble = print_insn_z80;
 508       break;
 509 #endif
 510 #ifdef ARCH_z8k
 511     case bfd_arch_z8k:
 512       if (mach == bfd_mach_z8001)
 513         disassemble = print_insn_z8001;
 514       else
 515         disassemble = print_insn_z8002;
 516       break;
 517 #endif
 518 #ifdef ARCH_vax
 519     case bfd_arch_vax:
 520       disassemble = print_insn_vax;
 521       break;
 522 #endif
 523 #ifdef ARCH_visium
 524      case bfd_arch_visium:
 525        disassemble = print_insn_visium;
 526        break;
 527 #endif
 528 #ifdef ARCH_frv
 529     case bfd_arch_frv:
 530       disassemble = print_insn_frv;
 531       break;
 532 #endif
 533 #ifdef ARCH_moxie
 534     case bfd_arch_moxie:
 535       disassemble = print_insn_moxie;
 536       break;
 537 #endif
 538 #ifdef ARCH_iq2000
 539     case bfd_arch_iq2000:
 540       disassemble = print_insn_iq2000;
 541       break;
 542 #endif
 543 #ifdef ARCH_m32c
 544     case bfd_arch_m32c:
 545       disassemble = print_insn_m32c;
 546       break;
 547 #endif
 548 #ifdef ARCH_tilegx
 549     case bfd_arch_tilegx:
 550       disassemble = print_insn_tilegx;
 551       break;
 552 #endif
 553 #ifdef ARCH_tilepro
 554     case bfd_arch_tilepro:
 555       disassemble = print_insn_tilepro;
 556       break;
 557 #endif
 558 #ifdef ARCH_loongarch
 559     case bfd_arch_loongarch:
 560       disassemble = print_insn_loongarch;
 561       break;
 562 #endif
 563     default:
 564       return 0;
 565     }
 566   return disassemble;
 567 }
 568
 569 void
 570 disassembler_usage (FILE *stream ATTRIBUTE_UNUSED)
 571 {
 572 #ifdef ARCH_aarch64
 573   print_aarch64_disassembler_options (stream);
 574 #endif
 575 #ifdef ARCH_arc
 576   print_arc_disassembler_options (stream);
 577 #endif
 578 #ifdef ARCH_arm
 579   print_arm_disassembler_options (stream);
 580 #endif
 581 #ifdef ARCH_mips
 582   print_mips_disassembler_options (stream);
 583 #endif
 584 #ifdef ARCH_nfp
 585   print_nfp_disassembler_options (stream);
 586 #endif
 587 #ifdef ARCH_powerpc
 588   print_ppc_disassembler_options (stream);
 589 #endif
 590 #ifdef ARCH_riscv
 591   print_riscv_disassembler_options (stream);
 592 #endif
 593 #ifdef ARCH_i386
 594   print_i386_disassembler_options (stream);
 595 #endif
 596 #ifdef ARCH_s390
 597   print_s390_disassembler_options (stream);
 598 #endif
 599 #ifdef ARCH_wasm32
 600   print_wasm32_disassembler_options (stream);
 601 #endif
 602 #ifdef ARCH_loongarch
 603   print_loongarch_disassembler_options (stream);
 604 #endif
 605
 606   return;
 607 }
 608
 609 void
 610 disassemble_init_for_target (struct disassemble_info * info)
 611 {
 612   if (info == NULL)
 613     return;
 614
 615   switch (info->arch)
 616     {
 617 #ifdef ARCH_aarch64
 618     case bfd_arch_aarch64:
 619       info->symbol_is_valid = aarch64_symbol_is_valid;
 620       info->disassembler_needs_relocs = true;
 621       break;
 622 #endif
 623 #ifdef ARCH_arm
 624     case bfd_arch_arm:
 625       info->symbol_is_valid = arm_symbol_is_valid;
 626       info->disassembler_needs_relocs = true;
 627       break;
 628 #endif
 629 #ifdef ARCH_csky
 630     case bfd_arch_csky:
 631       info->symbol_is_valid = csky_symbol_is_valid;
 632       info->disassembler_needs_relocs = true;
 633       break;
 634 #endif
 635
 636 #ifdef ARCH_ia64
 637     case bfd_arch_ia64:
 638       info->skip_zeroes = 16;
 639       break;
 640 #endif
 641 #ifdef ARCH_tic4x
 642     case bfd_arch_tic4x:
 643       info->skip_zeroes = 32;
 644       break;
 645 #endif
 646 #ifdef ARCH_mep
 647     case bfd_arch_mep:
 648       info->skip_zeroes = 256;
 649       info->skip_zeroes_at_end = 0;
 650       break;
 651 #endif
 652 #ifdef ARCH_metag
 653     case bfd_arch_metag:
 654       info->disassembler_needs_relocs = true;
 655       break;
 656 #endif
 657 #ifdef ARCH_m32c
 658     case bfd_arch_m32c:
 659       /* This processor in fact is little endian.  The value set here
 660          reflects the way opcodes are written in the cgen description.  */
 661       info->endian = BFD_ENDIAN_BIG;
 662       if (!info->private_data)
 663         {
 664           info->private_data = cgen_bitset_create (ISA_MAX);
 665           if (info->mach == bfd_mach_m16c)
 666             cgen_bitset_set (info->private_data, ISA_M16C);
 667           else
 668             cgen_bitset_set (info->private_data, ISA_M32C);
 669         }
 670       break;
 671 #endif
 672 #ifdef ARCH_bpf
 673     case bfd_arch_bpf:
 674       info->endian_code = BFD_ENDIAN_LITTLE;
 675       if (!info->private_data)
 676         {
 677           info->private_data = cgen_bitset_create (ISA_MAX);
 678           if (info->endian == BFD_ENDIAN_BIG)
 679             {
 680               cgen_bitset_set (info->private_data, ISA_EBPFBE);
 681               if (info->mach == bfd_mach_xbpf)
 682                 cgen_bitset_set (info->private_data, ISA_XBPFBE);
 683             }
 684           else
 685             {
 686               cgen_bitset_set (info->private_data, ISA_EBPFLE);
 687               if (info->mach == bfd_mach_xbpf)
 688                 cgen_bitset_set (info->private_data, ISA_XBPFLE);
 689             }
 690         }
 691       break;
 692 #endif
 693 #ifdef ARCH_pru
 694     case bfd_arch_pru:
 695       info->disassembler_needs_relocs = true;
 696       break;
 697 #endif
 698 #ifdef ARCH_powerpc
 699     case bfd_arch_powerpc:
 700 #endif
 701 #ifdef ARCH_rs6000
 702     case bfd_arch_rs6000:
 703 #endif
 704 #if defined (ARCH_powerpc) || defined (ARCH_rs6000)
 705       disassemble_init_powerpc (info);
 706       break;
 707 #endif
 708 #ifdef ARCH_riscv
 709     case bfd_arch_riscv:
 710       info->symbol_is_valid = riscv_symbol_is_valid;
 711       break;
 712 #endif
 713 #ifdef ARCH_wasm32
 714     case bfd_arch_wasm32:
 715       disassemble_init_wasm32 (info);
 716       break;
 717 #endif
 718 #ifdef ARCH_s390
 719     case bfd_arch_s390:
 720       disassemble_init_s390 (info);
 721       break;
 722 #endif
 723 #ifdef ARCH_nds32
 724     case bfd_arch_nds32:
 725       disassemble_init_nds32 (info);
 726       break;
 727  #endif
 728     default:
 729       break;
 730     }
 731 }
 732
 733 void
 734 disassemble_free_target (struct disassemble_info *info)
 735 {
 736   if (info == NULL)
 737     return;
 738
 739   switch (info->arch)
 740     {
 741     default:
 742       return;
 743
 744 #ifdef ARCH_bpf
 745     case bfd_arch_bpf:
 746 #endif
 747 #ifdef ARCH_m32c
 748     case bfd_arch_m32c:
 749 #endif
 750 #if defined ARCH_bpf || defined ARCH_m32c
 751       if (info->private_data)
 752         {
 753           CGEN_BITSET *mask = info->private_data;
 754           free (mask->bits);
 755         }
 756       break;
 757 #endif
 758
 759 #ifdef ARCH_arc
 760     case bfd_arch_arc:
 761       break;
 762 #endif
 763 #ifdef ARCH_cris
 764     case bfd_arch_cris:
 765       break;
 766 #endif
 767 #ifdef ARCH_mmix
 768     case bfd_arch_mmix:
 769       break;
 770 #endif
 771 #ifdef ARCH_nfp
 772     case bfd_arch_nfp:
 773       break;
 774 #endif
 775 #ifdef ARCH_powerpc
 776     case bfd_arch_powerpc:
 777       break;
 778 #endif
 779 #ifdef ARCH_riscv
 780     case bfd_arch_riscv:
 781       break;
 782 #endif
 783 #ifdef ARCH_rs6000
 784     case bfd_arch_rs6000:
 785       break;
 786 #endif
 787     }
 788
 789   free (info->private_data);
 790 }
 791
 792 /* Remove whitespace and consecutive commas from OPTIONS.  */
 793
 794 char *
 795 remove_whitespace_and_extra_commas (char *options)
 796 {
 797   char *str;
 798   size_t i, len;
 799
 800   if (options == NULL)
 801     return NULL;
 802
 803   /* Strip off all trailing whitespace and commas.  */
 804   for (len = strlen (options); len > 0; len--)
 805     {
 806       if (!ISSPACE (options[len - 1]) && options[len - 1] != ',')
 807         break;
 808       options[len - 1] = '\0';
 809     }
 810
 811   /* Convert all remaining whitespace to commas.  */
 812   for (i = 0; options[i] != '\0'; i++)
 813     if (ISSPACE (options[i]))
 814       options[i] = ',';
 815
 816   /* Remove consecutive commas.  */
 817   for (str = options; *str != '\0'; str++)
 818     if (*str == ',' && (*(str + 1) == ',' || str == options))
 819       {
 820         char *next = str + 1;
 821         while (*next == ',')
 822           next++;
 823         len = strlen (next);
 824         if (str != options)
 825           str++;
 826         memmove (str, next, len);
 827         next[len - (size_t)(next - str)] = '\0';
 828       }
 829   return (strlen (options) != 0) ? options : NULL;
 830 }
 831
 832 /* Like STRCMP, but treat ',' the same as '\0' so that we match
 833    strings like "foobar" against "foobar,xxyyzz,...".  */
 834
 835 int
 836 disassembler_options_cmp (const char *s1, const char *s2)
 837 {
 838   unsigned char c1, c2;
 839
 840   do
 841     {
 842       c1 = (unsigned char) *s1++;
 843       if (c1 == ',')
 844         c1 = '\0';
 845       c2 = (unsigned char) *s2++;
 846       if (c2 == ',')
 847         c2 = '\0';
 848       if (c1 == '\0')
 849         return c1 - c2;
 850     }
 851   while (c1 == c2);
 852
 853   return c1 - c2;
 854 }
 855
 856 void
 857 opcodes_assert (const char *file, int line)
 858 {
 859   opcodes_error_handler (_("assertion fail %s:%d"), file, line);
 860   opcodes_error_handler (_("Please report this bug"));
 861   abort ();
 862 }