opcodes/disassemble.c

   1 /* Select disassembly routine for specified architecture.
   2    Copyright (C) 1994-2023 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_ia64
  32 #define ARCH_loongarch
  33 #define ARCH_mips
  34 #define ARCH_mmix
  35 #define ARCH_nfp
  36 #define ARCH_riscv
  37 #define ARCH_score
  38 #define ARCH_tilegx
  39 #endif
  40 #define ARCH_arc
  41 #define ARCH_arm
  42 #define ARCH_avr
  43 #define ARCH_bfin
  44 #define ARCH_cr16
  45 #define ARCH_cris
  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_xgate
 102 #define ARCH_xtensa
 103 #define ARCH_z80
 104 #define ARCH_z8k
 105 #endif
 106
 107 #ifdef ARCH_m32c
 108 #include "m32c-desc.h"
 109 #endif
 110
 111 disassembler_ftype
 112 disassembler (enum bfd_architecture a,
 113               bool big ATTRIBUTE_UNUSED,
 114               unsigned long mach ATTRIBUTE_UNUSED,
 115               bfd *abfd ATTRIBUTE_UNUSED)
 116 {
 117   disassembler_ftype disassemble;
 118
 119   switch (a)
 120     {
 121       /* If you add a case to this table, also add it to the
 122          ARCH_all definition right above this function.  */
 123 #ifdef ARCH_aarch64
 124     case bfd_arch_aarch64:
 125       disassemble = print_insn_aarch64;
 126       break;
 127 #endif
 128 #ifdef ARCH_alpha
 129     case bfd_arch_alpha:
 130       disassemble = print_insn_alpha;
 131       break;
 132 #endif
 133 #ifdef ARCH_arc
 134     case bfd_arch_arc:
 135       disassemble = arc_get_disassembler (abfd);
 136       break;
 137 #endif
 138 #ifdef ARCH_arm
 139     case bfd_arch_arm:
 140       if (big)
 141         disassemble = print_insn_big_arm;
 142       else
 143         disassemble = print_insn_little_arm;
 144       break;
 145 #endif
 146 #ifdef ARCH_avr
 147     case bfd_arch_avr:
 148       disassemble = print_insn_avr;
 149       break;
 150 #endif
 151 #ifdef ARCH_bfin
 152     case bfd_arch_bfin:
 153       disassemble = print_insn_bfin;
 154       break;
 155 #endif
 156 #ifdef ARCH_cr16
 157     case bfd_arch_cr16:
 158       disassemble = print_insn_cr16;
 159       break;
 160 #endif
 161 #ifdef ARCH_cris
 162     case bfd_arch_cris:
 163       disassemble = cris_get_disassembler (abfd);
 164       break;
 165 #endif
 166 #ifdef ARCH_crx
 167     case bfd_arch_crx:
 168       disassemble = print_insn_crx;
 169       break;
 170 #endif
 171 #ifdef ARCH_csky
 172     case bfd_arch_csky:
 173       disassemble = csky_get_disassembler (abfd);
 174       break;
 175 #endif
 176
 177 #ifdef ARCH_d10v
 178     case bfd_arch_d10v:
 179       disassemble = print_insn_d10v;
 180       break;
 181 #endif
 182 #ifdef ARCH_d30v
 183     case bfd_arch_d30v:
 184       disassemble = print_insn_d30v;
 185       break;
 186 #endif
 187 #ifdef ARCH_dlx
 188     case bfd_arch_dlx:
 189       /* As far as I know we only handle big-endian DLX objects.  */
 190       disassemble = print_insn_dlx;
 191       break;
 192 #endif
 193 #ifdef ARCH_h8300
 194     case bfd_arch_h8300:
 195       if (mach == bfd_mach_h8300h || mach == bfd_mach_h8300hn)
 196         disassemble = print_insn_h8300h;
 197       else if (mach == bfd_mach_h8300s
 198                || mach == bfd_mach_h8300sn
 199                || mach == bfd_mach_h8300sx
 200                || mach == bfd_mach_h8300sxn)
 201         disassemble = print_insn_h8300s;
 202       else
 203         disassemble = print_insn_h8300;
 204       break;
 205 #endif
 206 #ifdef ARCH_hppa
 207     case bfd_arch_hppa:
 208       disassemble = print_insn_hppa;
 209       break;
 210 #endif
 211 #ifdef ARCH_i386
 212     case bfd_arch_i386:
 213     case bfd_arch_iamcu:
 214       disassemble = print_insn_i386;
 215       break;
 216 #endif
 217 #ifdef ARCH_ia64
 218     case bfd_arch_ia64:
 219       disassemble = print_insn_ia64;
 220       break;
 221 #endif
 222 #ifdef ARCH_ip2k
 223     case bfd_arch_ip2k:
 224       disassemble = print_insn_ip2k;
 225       break;
 226 #endif
 227 #ifdef ARCH_bpf
 228     case bfd_arch_bpf:
 229       disassemble = print_insn_bpf;
 230       break;
 231 #endif
 232 #ifdef ARCH_epiphany
 233     case bfd_arch_epiphany:
 234       disassemble = print_insn_epiphany;
 235       break;
 236 #endif
 237 #ifdef ARCH_fr30
 238     case bfd_arch_fr30:
 239       disassemble = print_insn_fr30;
 240       break;
 241 #endif
 242 #ifdef ARCH_lm32
 243     case bfd_arch_lm32:
 244       disassemble = print_insn_lm32;
 245       break;
 246 #endif
 247 #ifdef ARCH_m32r
 248     case bfd_arch_m32r:
 249       disassemble = print_insn_m32r;
 250       break;
 251 #endif
 252 #if defined(ARCH_m68hc11) || defined(ARCH_m68hc12) \
 253     || defined(ARCH_9s12x) || defined(ARCH_m9s12xg)
 254     case bfd_arch_m68hc11:
 255       disassemble = print_insn_m68hc11;
 256       break;
 257     case bfd_arch_m68hc12:
 258       disassemble = print_insn_m68hc12;
 259       break;
 260     case bfd_arch_m9s12x:
 261       disassemble = print_insn_m9s12x;
 262       break;
 263     case bfd_arch_m9s12xg:
 264       disassemble = print_insn_m9s12xg;
 265       break;
 266 #endif
 267 #if defined(ARCH_s12z)
 268     case bfd_arch_s12z:
 269       disassemble = print_insn_s12z;
 270       break;
 271 #endif
 272 #ifdef ARCH_m68k
 273     case bfd_arch_m68k:
 274       disassemble = print_insn_m68k;
 275       break;
 276 #endif
 277 #ifdef ARCH_mt
 278     case bfd_arch_mt:
 279       disassemble = print_insn_mt;
 280       break;
 281 #endif
 282 #ifdef ARCH_microblaze
 283     case bfd_arch_microblaze:
 284       disassemble = print_insn_microblaze;
 285       break;
 286 #endif
 287 #ifdef ARCH_msp430
 288     case bfd_arch_msp430:
 289       disassemble = print_insn_msp430;
 290       break;
 291 #endif
 292 #ifdef ARCH_nds32
 293     case bfd_arch_nds32:
 294       disassemble = print_insn_nds32;
 295       break;
 296 #endif
 297 #ifdef ARCH_nfp
 298     case bfd_arch_nfp:
 299       disassemble = print_insn_nfp;
 300       break;
 301 #endif
 302 #ifdef ARCH_ns32k
 303     case bfd_arch_ns32k:
 304       disassemble = print_insn_ns32k;
 305       break;
 306 #endif
 307 #ifdef ARCH_mcore
 308     case bfd_arch_mcore:
 309       disassemble = print_insn_mcore;
 310       break;
 311 #endif
 312 #ifdef ARCH_mep
 313     case bfd_arch_mep:
 314       disassemble = print_insn_mep;
 315       break;
 316 #endif
 317 #ifdef ARCH_metag
 318     case bfd_arch_metag:
 319       disassemble = print_insn_metag;
 320       break;
 321 #endif
 322 #ifdef ARCH_mips
 323     case bfd_arch_mips:
 324       if (big)
 325         disassemble = print_insn_big_mips;
 326       else
 327         disassemble = print_insn_little_mips;
 328       break;
 329 #endif
 330 #ifdef ARCH_mmix
 331     case bfd_arch_mmix:
 332       disassemble = print_insn_mmix;
 333       break;
 334 #endif
 335 #ifdef ARCH_mn10200
 336     case bfd_arch_mn10200:
 337       disassemble = print_insn_mn10200;
 338       break;
 339 #endif
 340 #ifdef ARCH_mn10300
 341     case bfd_arch_mn10300:
 342       disassemble = print_insn_mn10300;
 343       break;
 344 #endif
 345 #ifdef ARCH_nios2
 346     case bfd_arch_nios2:
 347       if (big)
 348         disassemble = print_insn_big_nios2;
 349       else
 350         disassemble = print_insn_little_nios2;
 351       break;
 352 #endif
 353 #ifdef ARCH_or1k
 354     case bfd_arch_or1k:
 355       disassemble = print_insn_or1k;
 356       break;
 357 #endif
 358 #ifdef ARCH_pdp11
 359     case bfd_arch_pdp11:
 360       disassemble = print_insn_pdp11;
 361       break;
 362 #endif
 363 #ifdef ARCH_pj
 364     case bfd_arch_pj:
 365       disassemble = print_insn_pj;
 366       break;
 367 #endif
 368 #ifdef ARCH_powerpc
 369     case bfd_arch_powerpc:
 370 #endif
 371 #ifdef ARCH_rs6000
 372     case bfd_arch_rs6000:
 373 #endif
 374 #if defined ARCH_powerpc || defined ARCH_rs6000
 375       if (big)
 376         disassemble = print_insn_big_powerpc;
 377       else
 378         disassemble = print_insn_little_powerpc;
 379       break;
 380 #endif
 381 #ifdef ARCH_pru
 382     case bfd_arch_pru:
 383       disassemble = print_insn_pru;
 384       break;
 385 #endif
 386 #ifdef ARCH_riscv
 387     case bfd_arch_riscv:
 388       disassemble = riscv_get_disassembler (abfd);
 389       break;
 390 #endif
 391 #ifdef ARCH_rl78
 392     case bfd_arch_rl78:
 393       disassemble = rl78_get_disassembler (abfd);
 394       break;
 395 #endif
 396 #ifdef ARCH_rx
 397     case bfd_arch_rx:
 398       disassemble = print_insn_rx;
 399       break;
 400 #endif
 401 #ifdef ARCH_s390
 402     case bfd_arch_s390:
 403       disassemble = print_insn_s390;
 404       break;
 405 #endif
 406 #ifdef ARCH_score
 407     case bfd_arch_score:
 408       if (big)
 409         disassemble = print_insn_big_score;
 410       else
 411         disassemble = print_insn_little_score;
 412      break;
 413 #endif
 414 #ifdef ARCH_sh
 415     case bfd_arch_sh:
 416       disassemble = print_insn_sh;
 417       break;
 418 #endif
 419 #ifdef ARCH_sparc
 420     case bfd_arch_sparc:
 421       disassemble = print_insn_sparc;
 422       break;
 423 #endif
 424 #ifdef ARCH_spu
 425     case bfd_arch_spu:
 426       disassemble = print_insn_spu;
 427       break;
 428 #endif
 429 #ifdef ARCH_tic30
 430     case bfd_arch_tic30:
 431       disassemble = print_insn_tic30;
 432       break;
 433 #endif
 434 #ifdef ARCH_tic4x
 435     case bfd_arch_tic4x:
 436       disassemble = print_insn_tic4x;
 437       break;
 438 #endif
 439 #ifdef ARCH_tic54x
 440     case bfd_arch_tic54x:
 441       disassemble = print_insn_tic54x;
 442       break;
 443 #endif
 444 #ifdef ARCH_tic6x
 445     case bfd_arch_tic6x:
 446       disassemble = print_insn_tic6x;
 447       break;
 448 #endif
 449 #ifdef ARCH_ft32
 450     case bfd_arch_ft32:
 451       disassemble = print_insn_ft32;
 452       break;
 453 #endif
 454 #ifdef ARCH_v850
 455     case bfd_arch_v850:
 456     case bfd_arch_v850_rh850:
 457       disassemble = print_insn_v850;
 458       break;
 459 #endif
 460 #ifdef ARCH_wasm32
 461     case bfd_arch_wasm32:
 462       disassemble = print_insn_wasm32;
 463       break;
 464 #endif
 465 #ifdef ARCH_xgate
 466     case bfd_arch_xgate:
 467       disassemble = print_insn_xgate;
 468       break;
 469 #endif
 470 #ifdef ARCH_xstormy16
 471     case bfd_arch_xstormy16:
 472       disassemble = print_insn_xstormy16;
 473       break;
 474 #endif
 475 #ifdef ARCH_xtensa
 476     case bfd_arch_xtensa:
 477       disassemble = print_insn_xtensa;
 478       break;
 479 #endif
 480 #ifdef ARCH_z80
 481     case bfd_arch_z80:
 482       disassemble = print_insn_z80;
 483       break;
 484 #endif
 485 #ifdef ARCH_z8k
 486     case bfd_arch_z8k:
 487       if (mach == bfd_mach_z8001)
 488         disassemble = print_insn_z8001;
 489       else
 490         disassemble = print_insn_z8002;
 491       break;
 492 #endif
 493 #ifdef ARCH_vax
 494     case bfd_arch_vax:
 495       disassemble = print_insn_vax;
 496       break;
 497 #endif
 498 #ifdef ARCH_visium
 499      case bfd_arch_visium:
 500        disassemble = print_insn_visium;
 501        break;
 502 #endif
 503 #ifdef ARCH_frv
 504     case bfd_arch_frv:
 505       disassemble = print_insn_frv;
 506       break;
 507 #endif
 508 #ifdef ARCH_moxie
 509     case bfd_arch_moxie:
 510       disassemble = print_insn_moxie;
 511       break;
 512 #endif
 513 #ifdef ARCH_iq2000
 514     case bfd_arch_iq2000:
 515       disassemble = print_insn_iq2000;
 516       break;
 517 #endif
 518 #ifdef ARCH_m32c
 519     case bfd_arch_m32c:
 520       disassemble = print_insn_m32c;
 521       break;
 522 #endif
 523 #ifdef ARCH_tilegx
 524     case bfd_arch_tilegx:
 525       disassemble = print_insn_tilegx;
 526       break;
 527 #endif
 528 #ifdef ARCH_tilepro
 529     case bfd_arch_tilepro:
 530       disassemble = print_insn_tilepro;
 531       break;
 532 #endif
 533 #ifdef ARCH_loongarch
 534     case bfd_arch_loongarch:
 535       disassemble = print_insn_loongarch;
 536       break;
 537 #endif
 538     default:
 539       return 0;
 540     }
 541   return disassemble;
 542 }
 543
 544 void
 545 disassembler_usage (FILE *stream ATTRIBUTE_UNUSED)
 546 {
 547 #ifdef ARCH_aarch64
 548   print_aarch64_disassembler_options (stream);
 549 #endif
 550 #ifdef ARCH_arc
 551   print_arc_disassembler_options (stream);
 552 #endif
 553 #ifdef ARCH_arm
 554   print_arm_disassembler_options (stream);
 555 #endif
 556 #ifdef ARCH_mips
 557   print_mips_disassembler_options (stream);
 558 #endif
 559 #ifdef ARCH_nfp
 560   print_nfp_disassembler_options (stream);
 561 #endif
 562 #ifdef ARCH_powerpc
 563   print_ppc_disassembler_options (stream);
 564 #endif
 565 #ifdef ARCH_riscv
 566   print_riscv_disassembler_options (stream);
 567 #endif
 568 #ifdef ARCH_i386
 569   print_i386_disassembler_options (stream);
 570 #endif
 571 #ifdef ARCH_s390
 572   print_s390_disassembler_options (stream);
 573 #endif
 574 #ifdef ARCH_wasm32
 575   print_wasm32_disassembler_options (stream);
 576 #endif
 577 #ifdef ARCH_loongarch
 578   print_loongarch_disassembler_options (stream);
 579 #endif
 580 #ifdef ARCH_bpf
 581   print_bpf_disassembler_options (stream);
 582 #endif
 583   return;
 584 }
 585
 586 void
 587 disassemble_init_for_target (struct disassemble_info * info)
 588 {
 589   if (info == NULL)
 590     return;
 591
 592   switch (info->arch)
 593     {
 594 #ifdef ARCH_aarch64
 595     case bfd_arch_aarch64:
 596       info->symbol_is_valid = aarch64_symbol_is_valid;
 597       info->disassembler_needs_relocs = true;
 598       info->created_styled_output = true;
 599       break;
 600 #endif
 601 #ifdef ARCH_arc
 602     case bfd_arch_arc:
 603       info->created_styled_output = true;
 604       break;
 605 #endif
 606 #ifdef ARCH_arm
 607     case bfd_arch_arm:
 608       info->symbol_is_valid = arm_symbol_is_valid;
 609       info->disassembler_needs_relocs = true;
 610       info->created_styled_output = true;
 611       break;
 612 #endif
 613 #ifdef ARCH_avr
 614     case bfd_arch_avr:
 615       info->created_styled_output = true;
 616       break;
 617 #endif
 618 #ifdef ARCH_csky
 619     case bfd_arch_csky:
 620       info->symbol_is_valid = csky_symbol_is_valid;
 621       info->disassembler_needs_relocs = true;
 622       break;
 623 #endif
 624 #ifdef ARCH_i386
 625     case bfd_arch_i386:
 626     case bfd_arch_iamcu:
 627       info->created_styled_output = true;
 628       break;
 629 #endif
 630 #ifdef ARCH_ia64
 631     case bfd_arch_ia64:
 632       info->skip_zeroes = 16;
 633       break;
 634 #endif
 635 #ifdef ARCH_loongarch
 636     case bfd_arch_loongarch:
 637       info->created_styled_output = true;
 638       break;
 639 #endif
 640 #ifdef ARCH_tic4x
 641     case bfd_arch_tic4x:
 642       info->skip_zeroes = 32;
 643       break;
 644 #endif
 645 #ifdef ARCH_m68k
 646     case bfd_arch_m68k:
 647       info->created_styled_output = true;
 648       break;
 649 #endif
 650 #ifdef ARCH_mep
 651     case bfd_arch_mep:
 652       info->skip_zeroes = 256;
 653       info->skip_zeroes_at_end = 0;
 654       break;
 655 #endif
 656 #ifdef ARCH_metag
 657     case bfd_arch_metag:
 658       info->disassembler_needs_relocs = true;
 659       break;
 660 #endif
 661 #ifdef ARCH_mips
 662     case bfd_arch_mips:
 663       info->created_styled_output = true;
 664       break;
 665 #endif
 666 #ifdef ARCH_m32c
 667     case bfd_arch_m32c:
 668       /* This processor in fact is little endian.  The value set here
 669          reflects the way opcodes are written in the cgen description.  */
 670       info->endian = BFD_ENDIAN_BIG;
 671       if (!info->private_data)
 672         {
 673           info->private_data = cgen_bitset_create (ISA_MAX);
 674           if (info->mach == bfd_mach_m16c)
 675             cgen_bitset_set (info->private_data, ISA_M16C);
 676           else
 677             cgen_bitset_set (info->private_data, ISA_M32C);
 678         }
 679       break;
 680 #endif
 681 #ifdef ARCH_bpf
 682     case bfd_arch_bpf:
 683       info->created_styled_output = true;
 684       break;
 685 #endif
 686 #ifdef ARCH_pru
 687     case bfd_arch_pru:
 688       info->disassembler_needs_relocs = true;
 689       break;
 690 #endif
 691 #ifdef ARCH_powerpc
 692     case bfd_arch_powerpc:
 693 #endif
 694 #ifdef ARCH_rs6000
 695     case bfd_arch_rs6000:
 696 #endif
 697 #if defined (ARCH_powerpc) || defined (ARCH_rs6000)
 698       disassemble_init_powerpc (info);
 699       info->created_styled_output = true;
 700       break;
 701 #endif
 702 #ifdef ARCH_riscv
 703     case bfd_arch_riscv:
 704       info->symbol_is_valid = riscv_symbol_is_valid;
 705       info->created_styled_output = true;
 706       break;
 707 #endif
 708 #ifdef ARCH_wasm32
 709     case bfd_arch_wasm32:
 710       disassemble_init_wasm32 (info);
 711       break;
 712 #endif
 713 #ifdef ARCH_s390
 714     case bfd_arch_s390:
 715       disassemble_init_s390 (info);
 716       info->created_styled_output = true;
 717       break;
 718 #endif
 719 #ifdef ARCH_nds32
 720     case bfd_arch_nds32:
 721       disassemble_init_nds32 (info);
 722       break;
 723  #endif
 724     default:
 725       break;
 726     }
 727 }
 728
 729 void
 730 disassemble_free_target (struct disassemble_info *info)
 731 {
 732   if (info == NULL)
 733     return;
 734
 735   switch (info->arch)
 736     {
 737     default:
 738       return;
 739
 740 #ifdef ARCH_m32c
 741     case bfd_arch_m32c:
 742 #endif
 743 #if defined ARCH_m32c
 744       if (info->private_data)
 745         {
 746           CGEN_BITSET *mask = info->private_data;
 747           free (mask->bits);
 748         }
 749       break;
 750 #endif
 751
 752 #ifdef ARCH_arc
 753     case bfd_arch_arc:
 754       break;
 755 #endif
 756 #ifdef ARCH_cris
 757     case bfd_arch_cris:
 758       break;
 759 #endif
 760 #ifdef ARCH_mmix
 761     case bfd_arch_mmix:
 762       break;
 763 #endif
 764 #ifdef ARCH_nfp
 765     case bfd_arch_nfp:
 766       break;
 767 #endif
 768 #ifdef ARCH_powerpc
 769     case bfd_arch_powerpc:
 770       break;
 771 #endif
 772 #ifdef ARCH_riscv
 773     case bfd_arch_riscv:
 774       disassemble_free_riscv (info);
 775       break;
 776 #endif
 777 #ifdef ARCH_rs6000
 778     case bfd_arch_rs6000:
 779       break;
 780 #endif
 781     }
 782
 783   free (info->private_data);
 784 }
 785
 786 /* Remove whitespace and consecutive commas from OPTIONS.  */
 787
 788 char *
 789 remove_whitespace_and_extra_commas (char *options)
 790 {
 791   char *str;
 792   size_t i, len;
 793
 794   if (options == NULL)
 795     return NULL;
 796
 797   /* Strip off all trailing whitespace and commas.  */
 798   for (len = strlen (options); len > 0; len--)
 799     {
 800       if (!ISSPACE (options[len - 1]) && options[len - 1] != ',')
 801         break;
 802       options[len - 1] = '\0';
 803     }
 804
 805   /* Convert all remaining whitespace to commas.  */
 806   for (i = 0; options[i] != '\0'; i++)
 807     if (ISSPACE (options[i]))
 808       options[i] = ',';
 809
 810   /* Remove consecutive commas.  */
 811   for (str = options; *str != '\0'; str++)
 812     if (*str == ',' && (*(str + 1) == ',' || str == options))
 813       {
 814         char *next = str + 1;
 815         while (*next == ',')
 816           next++;
 817         len = strlen (next);
 818         if (str != options)
 819           str++;
 820         memmove (str, next, len);
 821         next[len - (size_t)(next - str)] = '\0';
 822       }
 823   return (strlen (options) != 0) ? options : NULL;
 824 }
 825
 826 /* Like STRCMP, but treat ',' the same as '\0' so that we match
 827    strings like "foobar" against "foobar,xxyyzz,...".  */
 828
 829 int
 830 disassembler_options_cmp (const char *s1, const char *s2)
 831 {
 832   unsigned char c1, c2;
 833
 834   do
 835     {
 836       c1 = (unsigned char) *s1++;
 837       if (c1 == ',')
 838         c1 = '\0';
 839       c2 = (unsigned char) *s2++;
 840       if (c2 == ',')
 841         c2 = '\0';
 842       if (c1 == '\0')
 843         return c1 - c2;
 844     }
 845   while (c1 == c2);
 846
 847   return c1 - c2;
 848 }
 849
 850 void
 851 opcodes_assert (const char *file, int line)
 852 {
 853   opcodes_error_handler (_("assertion fail %s:%d"), file, line);
 854   opcodes_error_handler (_("Please report this bug"));
 855   abort ();
 856 }
 857
 858 /* Set the stream, and the styled and unstyled printf functions within
 859    INFO.  */
 860
 861 void
 862 disassemble_set_printf (struct disassemble_info *info, void *stream,
 863                         fprintf_ftype unstyled_printf,
 864                         fprintf_styled_ftype styled_printf)
 865 {
 866   info->stream = stream;
 867   info->fprintf_func = unstyled_printf;
 868   info->fprintf_styled_func = styled_printf;
 869 }