Move common symbol check after bed->common_definition
[deliverable/binutils-gdb.git] / opcodes / disassemble.c
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1/* Select disassembly routine for specified architecture.
2 Copyright (C) 1994-2017 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 <assert.h>
25
26#ifdef ARCH_all
27#define ARCH_aarch64
28#define ARCH_alpha
29#define ARCH_arc
30#define ARCH_arm
31#define ARCH_avr
32#define ARCH_bfin
33#define ARCH_cr16
34#define ARCH_cris
35#define ARCH_crx
36#define ARCH_d10v
37#define ARCH_d30v
38#define ARCH_dlx
39#define ARCH_epiphany
40#define ARCH_fr30
41#define ARCH_frv
42#define ARCH_ft32
43#define ARCH_h8300
44#define ARCH_h8500
45#define ARCH_hppa
46#define ARCH_i370
47#define ARCH_i386
48#define ARCH_i860
49#define ARCH_i960
50#define ARCH_ia64
51#define ARCH_ip2k
52#define ARCH_iq2000
53#define ARCH_lm32
54#define ARCH_m32c
55#define ARCH_m32r
56#define ARCH_m68hc11
57#define ARCH_m68hc12
58#define ARCH_m68k
59#define ARCH_m88k
60#define ARCH_mcore
61#define ARCH_mep
62#define ARCH_metag
63#define ARCH_microblaze
64#define ARCH_mips
65#define ARCH_mmix
66#define ARCH_mn10200
67#define ARCH_mn10300
68#define ARCH_moxie
69#define ARCH_mt
70#define ARCH_msp430
71#define ARCH_nds32
72#define ARCH_nios2
73#define ARCH_ns32k
74#define ARCH_or1k
75#define ARCH_pdp11
76#define ARCH_pj
77#define ARCH_powerpc
78#define ARCH_pru
79#define ARCH_rs6000
80#define ARCH_rl78
81#define ARCH_rx
82#define ARCH_s390
83#define ARCH_score
84#define ARCH_sh
85#define ARCH_sparc
86#define ARCH_spu
87#define ARCH_tic30
88#define ARCH_tic4x
89#define ARCH_tic54x
90#define ARCH_tic6x
91#define ARCH_tic80
92#define ARCH_tilegx
93#define ARCH_tilepro
94#define ARCH_v850
95#define ARCH_vax
96#define ARCH_visium
97#define ARCH_w65
98#define ARCH_wasm32
99#define ARCH_xstormy16
100#define ARCH_xc16x
101#define ARCH_xgate
102#define ARCH_xtensa
103#define ARCH_z80
104#define ARCH_z8k
105#define INCLUDE_SHMEDIA
106#endif
107
108#ifdef ARCH_m32c
109#include "m32c-desc.h"
110#endif
111
112disassembler_ftype
113disassembler (enum bfd_architecture a, bfd_boolean big, unsigned long mach,
114 bfd *abfd ATTRIBUTE_UNUSED)
115{
116 disassembler_ftype disassemble;
117
118 switch (a)
119 {
120 /* If you add a case to this table, also add it to the
121 ARCH_all definition right above this function. */
122#ifdef ARCH_aarch64
123 case bfd_arch_aarch64:
124 disassemble = print_insn_aarch64;
125 break;
126#endif
127#ifdef ARCH_alpha
128 case bfd_arch_alpha:
129 disassemble = print_insn_alpha;
130 break;
131#endif
132#ifdef ARCH_arc
133 case bfd_arch_arc:
134 disassemble = arc_get_disassembler (abfd);
135 break;
136#endif
137#ifdef ARCH_arm
138 case bfd_arch_arm:
139 if (big)
140 disassemble = print_insn_big_arm;
141 else
142 disassemble = print_insn_little_arm;
143 break;
144#endif
145#ifdef ARCH_avr
146 case bfd_arch_avr:
147 disassemble = print_insn_avr;
148 break;
149#endif
150#ifdef ARCH_bfin
151 case bfd_arch_bfin:
152 disassemble = print_insn_bfin;
153 break;
154#endif
155#ifdef ARCH_cr16
156 case bfd_arch_cr16:
157 disassemble = print_insn_cr16;
158 break;
159#endif
160#ifdef ARCH_cris
161 case bfd_arch_cris:
162 disassemble = cris_get_disassembler (abfd);
163 break;
164#endif
165#ifdef ARCH_crx
166 case bfd_arch_crx:
167 disassemble = print_insn_crx;
168 break;
169#endif
170#ifdef ARCH_d10v
171 case bfd_arch_d10v:
172 disassemble = print_insn_d10v;
173 break;
174#endif
175#ifdef ARCH_d30v
176 case bfd_arch_d30v:
177 disassemble = print_insn_d30v;
178 break;
179#endif
180#ifdef ARCH_dlx
181 case bfd_arch_dlx:
182 /* As far as I know we only handle big-endian DLX objects. */
183 disassemble = print_insn_dlx;
184 break;
185#endif
186#ifdef ARCH_h8300
187 case bfd_arch_h8300:
188 if (mach == bfd_mach_h8300h || mach == bfd_mach_h8300hn)
189 disassemble = print_insn_h8300h;
190 else if (mach == bfd_mach_h8300s
191 || mach == bfd_mach_h8300sn
192 || mach == bfd_mach_h8300sx
193 || mach == bfd_mach_h8300sxn)
194 disassemble = print_insn_h8300s;
195 else
196 disassemble = print_insn_h8300;
197 break;
198#endif
199#ifdef ARCH_h8500
200 case bfd_arch_h8500:
201 disassemble = print_insn_h8500;
202 break;
203#endif
204#ifdef ARCH_hppa
205 case bfd_arch_hppa:
206 disassemble = print_insn_hppa;
207 break;
208#endif
209#ifdef ARCH_i370
210 case bfd_arch_i370:
211 disassemble = print_insn_i370;
212 break;
213#endif
214#ifdef ARCH_i386
215 case bfd_arch_i386:
216 case bfd_arch_iamcu:
217 case bfd_arch_l1om:
218 case bfd_arch_k1om:
219 disassemble = print_insn_i386;
220 break;
221#endif
222#ifdef ARCH_i860
223 case bfd_arch_i860:
224 disassemble = print_insn_i860;
225 break;
226#endif
227#ifdef ARCH_i960
228 case bfd_arch_i960:
229 disassemble = print_insn_i960;
230 break;
231#endif
232#ifdef ARCH_ia64
233 case bfd_arch_ia64:
234 disassemble = print_insn_ia64;
235 break;
236#endif
237#ifdef ARCH_ip2k
238 case bfd_arch_ip2k:
239 disassemble = print_insn_ip2k;
240 break;
241#endif
242#ifdef ARCH_epiphany
243 case bfd_arch_epiphany:
244 disassemble = print_insn_epiphany;
245 break;
246#endif
247#ifdef ARCH_fr30
248 case bfd_arch_fr30:
249 disassemble = print_insn_fr30;
250 break;
251#endif
252#ifdef ARCH_lm32
253 case bfd_arch_lm32:
254 disassemble = print_insn_lm32;
255 break;
256#endif
257#ifdef ARCH_m32r
258 case bfd_arch_m32r:
259 disassemble = print_insn_m32r;
260 break;
261#endif
262#if defined(ARCH_m68hc11) || defined(ARCH_m68hc12) \
263 || defined(ARCH_9s12x) || defined(ARCH_m9s12xg)
264 case bfd_arch_m68hc11:
265 disassemble = print_insn_m68hc11;
266 break;
267 case bfd_arch_m68hc12:
268 disassemble = print_insn_m68hc12;
269 break;
270 case bfd_arch_m9s12x:
271 disassemble = print_insn_m9s12x;
272 break;
273 case bfd_arch_m9s12xg:
274 disassemble = print_insn_m9s12xg;
275 break;
276#endif
277#ifdef ARCH_m68k
278 case bfd_arch_m68k:
279 disassemble = print_insn_m68k;
280 break;
281#endif
282#ifdef ARCH_m88k
283 case bfd_arch_m88k:
284 disassemble = print_insn_m88k;
285 break;
286#endif
287#ifdef ARCH_mt
288 case bfd_arch_mt:
289 disassemble = print_insn_mt;
290 break;
291#endif
292#ifdef ARCH_microblaze
293 case bfd_arch_microblaze:
294 disassemble = print_insn_microblaze;
295 break;
296#endif
297#ifdef ARCH_msp430
298 case bfd_arch_msp430:
299 disassemble = print_insn_msp430;
300 break;
301#endif
302#ifdef ARCH_nds32
303 case bfd_arch_nds32:
304 disassemble = print_insn_nds32;
305 break;
306#endif
307#ifdef ARCH_ns32k
308 case bfd_arch_ns32k:
309 disassemble = print_insn_ns32k;
310 break;
311#endif
312#ifdef ARCH_mcore
313 case bfd_arch_mcore:
314 disassemble = print_insn_mcore;
315 break;
316#endif
317#ifdef ARCH_mep
318 case bfd_arch_mep:
319 disassemble = print_insn_mep;
320 break;
321#endif
322#ifdef ARCH_metag
323 case bfd_arch_metag:
324 disassemble = print_insn_metag;
325 break;
326#endif
327#ifdef ARCH_mips
328 case bfd_arch_mips:
329 if (big)
330 disassemble = print_insn_big_mips;
331 else
332 disassemble = print_insn_little_mips;
333 break;
334#endif
335#ifdef ARCH_mmix
336 case bfd_arch_mmix:
337 disassemble = print_insn_mmix;
338 break;
339#endif
340#ifdef ARCH_mn10200
341 case bfd_arch_mn10200:
342 disassemble = print_insn_mn10200;
343 break;
344#endif
345#ifdef ARCH_mn10300
346 case bfd_arch_mn10300:
347 disassemble = print_insn_mn10300;
348 break;
349#endif
350#ifdef ARCH_nios2
351 case bfd_arch_nios2:
352 if (big)
353 disassemble = print_insn_big_nios2;
354 else
355 disassemble = print_insn_little_nios2;
356 break;
357#endif
358#ifdef ARCH_or1k
359 case bfd_arch_or1k:
360 disassemble = print_insn_or1k;
361 break;
362#endif
363#ifdef ARCH_pdp11
364 case bfd_arch_pdp11:
365 disassemble = print_insn_pdp11;
366 break;
367#endif
368#ifdef ARCH_pj
369 case bfd_arch_pj:
370 disassemble = print_insn_pj;
371 break;
372#endif
373#ifdef ARCH_powerpc
374 case bfd_arch_powerpc:
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 = print_insn_riscv;
389 break;
390#endif
391#ifdef ARCH_rs6000
392 case bfd_arch_rs6000:
393 if (mach == bfd_mach_ppc_620)
394 disassemble = print_insn_big_powerpc;
395 else
396 disassemble = print_insn_rs6000;
397 break;
398#endif
399#ifdef ARCH_rl78
400 case bfd_arch_rl78:
401 disassemble = rl78_get_disassembler (abfd);
402 break;
403#endif
404#ifdef ARCH_rx
405 case bfd_arch_rx:
406 disassemble = print_insn_rx;
407 break;
408#endif
409#ifdef ARCH_s390
410 case bfd_arch_s390:
411 disassemble = print_insn_s390;
412 break;
413#endif
414#ifdef ARCH_score
415 case bfd_arch_score:
416 if (big)
417 disassemble = print_insn_big_score;
418 else
419 disassemble = print_insn_little_score;
420 break;
421#endif
422#ifdef ARCH_sh
423 case bfd_arch_sh:
424 disassemble = print_insn_sh;
425 break;
426#endif
427#ifdef ARCH_sparc
428 case bfd_arch_sparc:
429 disassemble = print_insn_sparc;
430 break;
431#endif
432#ifdef ARCH_spu
433 case bfd_arch_spu:
434 disassemble = print_insn_spu;
435 break;
436#endif
437#ifdef ARCH_tic30
438 case bfd_arch_tic30:
439 disassemble = print_insn_tic30;
440 break;
441#endif
442#ifdef ARCH_tic4x
443 case bfd_arch_tic4x:
444 disassemble = print_insn_tic4x;
445 break;
446#endif
447#ifdef ARCH_tic54x
448 case bfd_arch_tic54x:
449 disassemble = print_insn_tic54x;
450 break;
451#endif
452#ifdef ARCH_tic6x
453 case bfd_arch_tic6x:
454 disassemble = print_insn_tic6x;
455 break;
456#endif
457#ifdef ARCH_tic80
458 case bfd_arch_tic80:
459 disassemble = print_insn_tic80;
460 break;
461#endif
462#ifdef ARCH_ft32
463 case bfd_arch_ft32:
464 disassemble = print_insn_ft32;
465 break;
466#endif
467#ifdef ARCH_v850
468 case bfd_arch_v850:
469 case bfd_arch_v850_rh850:
470 disassemble = print_insn_v850;
471 break;
472#endif
473#ifdef ARCH_w65
474 case bfd_arch_w65:
475 disassemble = print_insn_w65;
476 break;
477#endif
478#ifdef ARCH_wasm32
479 case bfd_arch_wasm32:
480 disassemble = print_insn_wasm32;
481 break;
482#endif
483#ifdef ARCH_xgate
484 case bfd_arch_xgate:
485 disassemble = print_insn_xgate;
486 break;
487#endif
488#ifdef ARCH_xstormy16
489 case bfd_arch_xstormy16:
490 disassemble = print_insn_xstormy16;
491 break;
492#endif
493#ifdef ARCH_xc16x
494 case bfd_arch_xc16x:
495 disassemble = print_insn_xc16x;
496 break;
497#endif
498#ifdef ARCH_xtensa
499 case bfd_arch_xtensa:
500 disassemble = print_insn_xtensa;
501 break;
502#endif
503#ifdef ARCH_z80
504 case bfd_arch_z80:
505 disassemble = print_insn_z80;
506 break;
507#endif
508#ifdef ARCH_z8k
509 case bfd_arch_z8k:
510 if (mach == bfd_mach_z8001)
511 disassemble = print_insn_z8001;
512 else
513 disassemble = print_insn_z8002;
514 break;
515#endif
516#ifdef ARCH_vax
517 case bfd_arch_vax:
518 disassemble = print_insn_vax;
519 break;
520#endif
521#ifdef ARCH_visium
522 case bfd_arch_visium:
523 disassemble = print_insn_visium;
524 break;
525#endif
526#ifdef ARCH_frv
527 case bfd_arch_frv:
528 disassemble = print_insn_frv;
529 break;
530#endif
531#ifdef ARCH_moxie
532 case bfd_arch_moxie:
533 disassemble = print_insn_moxie;
534 break;
535#endif
536#ifdef ARCH_iq2000
537 case bfd_arch_iq2000:
538 disassemble = print_insn_iq2000;
539 break;
540#endif
541#ifdef ARCH_m32c
542 case bfd_arch_m32c:
543 disassemble = print_insn_m32c;
544 break;
545#endif
546#ifdef ARCH_tilegx
547 case bfd_arch_tilegx:
548 disassemble = print_insn_tilegx;
549 break;
550#endif
551#ifdef ARCH_tilepro
552 case bfd_arch_tilepro:
553 disassemble = print_insn_tilepro;
554 break;
555#endif
556 default:
557 return 0;
558 }
559 return disassemble;
560}
561
562void
563disassembler_usage (FILE *stream ATTRIBUTE_UNUSED)
564{
565#ifdef ARCH_aarch64
566 print_aarch64_disassembler_options (stream);
567#endif
568#ifdef ARCH_arc
569 print_arc_disassembler_options (stream);
570#endif
571#ifdef ARCH_arm
572 print_arm_disassembler_options (stream);
573#endif
574#ifdef ARCH_mips
575 print_mips_disassembler_options (stream);
576#endif
577#ifdef ARCH_powerpc
578 print_ppc_disassembler_options (stream);
579#endif
580#ifdef ARCH_riscv
581 print_riscv_disassembler_options (stream);
582#endif
583#ifdef ARCH_i386
584 print_i386_disassembler_options (stream);
585#endif
586#ifdef ARCH_s390
587 print_s390_disassembler_options (stream);
588#endif
589#ifdef ARCH_wasm32
590 print_wasm32_disassembler_options (stream);
591#endif
592
593 return;
594}
595
596void
597disassemble_init_for_target (struct disassemble_info * info)
598{
599 if (info == NULL)
600 return;
601
602 switch (info->arch)
603 {
604#ifdef ARCH_aarch64
605 case bfd_arch_aarch64:
606 info->symbol_is_valid = aarch64_symbol_is_valid;
607 info->disassembler_needs_relocs = TRUE;
608 break;
609#endif
610#ifdef ARCH_arm
611 case bfd_arch_arm:
612 info->symbol_is_valid = arm_symbol_is_valid;
613 info->disassembler_needs_relocs = TRUE;
614 break;
615#endif
616#ifdef ARCH_ia64
617 case bfd_arch_ia64:
618 info->skip_zeroes = 16;
619 break;
620#endif
621#ifdef ARCH_tic4x
622 case bfd_arch_tic4x:
623 info->skip_zeroes = 32;
624 break;
625#endif
626#ifdef ARCH_mep
627 case bfd_arch_mep:
628 info->skip_zeroes = 256;
629 info->skip_zeroes_at_end = 0;
630 break;
631#endif
632#ifdef ARCH_metag
633 case bfd_arch_metag:
634 info->disassembler_needs_relocs = TRUE;
635 break;
636#endif
637#ifdef ARCH_m32c
638 case bfd_arch_m32c:
639 /* This processor in fact is little endian. The value set here
640 reflects the way opcodes are written in the cgen description. */
641 info->endian = BFD_ENDIAN_BIG;
642 if (! info->insn_sets)
643 {
644 info->insn_sets = cgen_bitset_create (ISA_MAX);
645 if (info->mach == bfd_mach_m16c)
646 cgen_bitset_set (info->insn_sets, ISA_M16C);
647 else
648 cgen_bitset_set (info->insn_sets, ISA_M32C);
649 }
650 break;
651#endif
652#ifdef ARCH_powerpc
653 case bfd_arch_powerpc:
654#endif
655#ifdef ARCH_rs6000
656 case bfd_arch_rs6000:
657#endif
658#if defined (ARCH_powerpc) || defined (ARCH_rs6000)
659 disassemble_init_powerpc (info);
660 break;
661#endif
662#ifdef ARCH_wasm32
663 case bfd_arch_wasm32:
664 disassemble_init_wasm32 (info);
665 break;
666#endif
667#ifdef ARCH_s390
668 case bfd_arch_s390:
669 disassemble_init_s390 (info);
670 break;
671#endif
672 default:
673 break;
674 }
675}
676
677/* Remove whitespace and consecutive commas from OPTIONS. */
678
679char *
680remove_whitespace_and_extra_commas (char *options)
681{
682 char *str;
683 size_t i, len;
684
685 if (options == NULL)
686 return NULL;
687
688 /* Strip off all trailing whitespace and commas. */
689 for (len = strlen (options); len > 0; len--)
690 {
691 if (!ISSPACE (options[len - 1]) && options[len - 1] != ',')
692 break;
693 options[len - 1] = '\0';
694 }
695
696 /* Convert all remaining whitespace to commas. */
697 for (i = 0; options[i] != '\0'; i++)
698 if (ISSPACE (options[i]))
699 options[i] = ',';
700
701 /* Remove consecutive commas. */
702 for (str = options; *str != '\0'; str++)
703 if (*str == ',' && (*(str + 1) == ',' || str == options))
704 {
705 char *next = str + 1;
706 while (*next == ',')
707 next++;
708 len = strlen (next);
709 if (str != options)
710 str++;
711 memmove (str, next, len);
712 next[len - (size_t)(next - str)] = '\0';
713 }
714 return (strlen (options) != 0) ? options : NULL;
715}
716
717/* Like STRCMP, but treat ',' the same as '\0' so that we match
718 strings like "foobar" against "foobar,xxyyzz,...". */
719
720int
721disassembler_options_cmp (const char *s1, const char *s2)
722{
723 unsigned char c1, c2;
724
725 do
726 {
727 c1 = (unsigned char) *s1++;
728 if (c1 == ',')
729 c1 = '\0';
730 c2 = (unsigned char) *s2++;
731 if (c2 == ',')
732 c2 = '\0';
733 if (c1 == '\0')
734 return c1 - c2;
735 }
736 while (c1 == c2);
737
738 return c1 - c2;
739}
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