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dprintf-style agent can't explain a trap.
[deliverable/binutils-gdb.git] / opcodes / hppa-dis.c
1 /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c.
2 Copyright (C) 1989-2014 Free Software Foundation, Inc.
3
4 Contributed by the Center for Software Science at the
5 University of Utah (pa-gdb-bugs@cs.utah.edu).
6
7 This file is part of the GNU opcodes library.
8
9 This library is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
12 any later version.
13
14 It is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
17 License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
23
24 #include "sysdep.h"
25 #include "dis-asm.h"
26 #include "libhppa.h"
27 #include "opcode/hppa.h"
28
29 /* Integer register names, indexed by the numbers which appear in the
30 opcodes. */
31 static const char *const reg_names[] =
32 {
33 "flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9",
34 "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19",
35 "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1",
36 "sp", "r31"
37 };
38
39 /* Floating point register names, indexed by the numbers which appear in the
40 opcodes. */
41 static const char *const fp_reg_names[] =
42 {
43 "fpsr", "fpe2", "fpe4", "fpe6",
44 "fr4", "fr5", "fr6", "fr7", "fr8",
45 "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
46 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
47 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31"
48 };
49
50 typedef unsigned int CORE_ADDR;
51
52 /* Get at various relevent fields of an instruction word. */
53
54 #define MASK_5 0x1f
55 #define MASK_10 0x3ff
56 #define MASK_11 0x7ff
57 #define MASK_14 0x3fff
58 #define MASK_16 0xffff
59 #define MASK_21 0x1fffff
60
61 /* These macros get bit fields using HP's numbering (MSB = 0). */
62
63 #define GET_FIELD(X, FROM, TO) \
64 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
65
66 #define GET_BIT(X, WHICH) \
67 GET_FIELD (X, WHICH, WHICH)
68
69 /* Some of these have been converted to 2-d arrays because they
70 consume less storage this way. If the maintenance becomes a
71 problem, convert them back to const 1-d pointer arrays. */
72 static const char *const control_reg[] =
73 {
74 "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
75 "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4",
76 "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr",
77 "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3",
78 "tr4", "tr5", "tr6", "tr7"
79 };
80
81 static const char *const compare_cond_names[] =
82 {
83 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od",
84 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev"
85 };
86 static const char *const compare_cond_64_names[] =
87 {
88 ",*", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od",
89 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev"
90 };
91 static const char *const cmpib_cond_64_names[] =
92 {
93 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>"
94 };
95 static const char *const add_cond_names[] =
96 {
97 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od",
98 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev"
99 };
100 static const char *const add_cond_64_names[] =
101 {
102 ",*", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od",
103 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev"
104 };
105 static const char *const wide_add_cond_names[] =
106 {
107 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=",
108 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>"
109 };
110 static const char *const logical_cond_names[] =
111 {
112 "", ",=", ",<", ",<=", 0, 0, 0, ",od",
113 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
114 static const char *const logical_cond_64_names[] =
115 {
116 ",*", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od",
117 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"};
118 static const char *const unit_cond_names[] =
119 {
120 "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc",
121 ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc"
122 };
123 static const char *const unit_cond_64_names[] =
124 {
125 ",*", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc",
126 ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc"
127 };
128 static const char *const shift_cond_names[] =
129 {
130 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
131 };
132 static const char *const shift_cond_64_names[] =
133 {
134 ",*", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev"
135 };
136 static const char *const bb_cond_64_names[] =
137 {
138 ",*<", ",*>="
139 };
140 static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"};
141 static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
142 static const char *const short_bytes_compl_names[] =
143 {
144 "", ",b,m", ",e", ",e,m"
145 };
146 static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
147 static const char *const fcnv_fixed_names[] = {",w", ",dw", "", ",qw"};
148 static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"};
149 static const char *const float_comp_names[] =
150 {
151 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
152 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
153 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
154 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
155 };
156 static const char *const signed_unsigned_names[] = {",u", ",s"};
157 static const char *const mix_half_names[] = {",l", ",r"};
158 static const char *const saturation_names[] = {",us", ",ss", 0, ""};
159 static const char *const read_write_names[] = {",r", ",w"};
160 static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
161
162 /* For a bunch of different instructions form an index into a
163 completer name table. */
164 #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
165 GET_FIELD (insn, 18, 18) << 1)
166
167 #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \
168 (GET_FIELD ((insn), 19, 19) ? 8 : 0))
169
170 /* Utility function to print registers. Put these first, so gcc's function
171 inlining can do its stuff. */
172
173 #define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR)
174
175 static void
176 fput_reg (unsigned reg, disassemble_info *info)
177 {
178 (*info->fprintf_func) (info->stream, "%s", reg ? reg_names[reg] : "r0");
179 }
180
181 static void
182 fput_fp_reg (unsigned reg, disassemble_info *info)
183 {
184 (*info->fprintf_func) (info->stream, "%s", reg ? fp_reg_names[reg] : "fr0");
185 }
186
187 static void
188 fput_fp_reg_r (unsigned reg, disassemble_info *info)
189 {
190 /* Special case floating point exception registers. */
191 if (reg < 4)
192 (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1);
193 else
194 (*info->fprintf_func) (info->stream, "%sR",
195 reg ? fp_reg_names[reg] : "fr0");
196 }
197
198 static void
199 fput_creg (unsigned reg, disassemble_info *info)
200 {
201 (*info->fprintf_func) (info->stream, "%s", control_reg[reg]);
202 }
203
204 /* Print constants with sign. */
205
206 static void
207 fput_const (unsigned num, disassemble_info *info)
208 {
209 if ((int) num < 0)
210 (*info->fprintf_func) (info->stream, "-%x", - (int) num);
211 else
212 (*info->fprintf_func) (info->stream, "%x", num);
213 }
214
215 /* Routines to extract various sized constants out of hppa
216 instructions. */
217
218 /* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */
219 static int
220 extract_3 (unsigned word)
221 {
222 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
223 }
224
225 static int
226 extract_5_load (unsigned word)
227 {
228 return low_sign_extend (word >> 16 & MASK_5, 5);
229 }
230
231 /* Extract the immediate field from a st{bhw}s instruction. */
232
233 static int
234 extract_5_store (unsigned word)
235 {
236 return low_sign_extend (word & MASK_5, 5);
237 }
238
239 /* Extract the immediate field from a break instruction. */
240
241 static unsigned
242 extract_5r_store (unsigned word)
243 {
244 return (word & MASK_5);
245 }
246
247 /* Extract the immediate field from a {sr}sm instruction. */
248
249 static unsigned
250 extract_5R_store (unsigned word)
251 {
252 return (word >> 16 & MASK_5);
253 }
254
255 /* Extract the 10 bit immediate field from a {sr}sm instruction. */
256
257 static unsigned
258 extract_10U_store (unsigned word)
259 {
260 return (word >> 16 & MASK_10);
261 }
262
263 /* Extract the immediate field from a bb instruction. */
264
265 static unsigned
266 extract_5Q_store (unsigned word)
267 {
268 return (word >> 21 & MASK_5);
269 }
270
271 /* Extract an 11 bit immediate field. */
272
273 static int
274 extract_11 (unsigned word)
275 {
276 return low_sign_extend (word & MASK_11, 11);
277 }
278
279 /* Extract a 14 bit immediate field. */
280
281 static int
282 extract_14 (unsigned word)
283 {
284 return low_sign_extend (word & MASK_14, 14);
285 }
286
287 /* Extract a 16 bit immediate field (PA2.0 wide only). */
288
289 static int
290 extract_16 (unsigned word)
291 {
292 int m15, m0, m1;
293
294 m0 = GET_BIT (word, 16);
295 m1 = GET_BIT (word, 17);
296 m15 = GET_BIT (word, 31);
297 word = (word >> 1) & 0x1fff;
298 word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13);
299 return sign_extend (word, 16);
300 }
301
302 /* Extract a 21 bit constant. */
303
304 static int
305 extract_21 (unsigned word)
306 {
307 int val;
308
309 word &= MASK_21;
310 word <<= 11;
311 val = GET_FIELD (word, 20, 20);
312 val <<= 11;
313 val |= GET_FIELD (word, 9, 19);
314 val <<= 2;
315 val |= GET_FIELD (word, 5, 6);
316 val <<= 5;
317 val |= GET_FIELD (word, 0, 4);
318 val <<= 2;
319 val |= GET_FIELD (word, 7, 8);
320 return sign_extend (val, 21) << 11;
321 }
322
323 /* Extract a 12 bit constant from branch instructions. */
324
325 static int
326 extract_12 (unsigned word)
327 {
328 return sign_extend (GET_FIELD (word, 19, 28)
329 | GET_FIELD (word, 29, 29) << 10
330 | (word & 0x1) << 11, 12) << 2;
331 }
332
333 /* Extract a 17 bit constant from branch instructions, returning the
334 19 bit signed value. */
335
336 static int
337 extract_17 (unsigned word)
338 {
339 return sign_extend (GET_FIELD (word, 19, 28)
340 | GET_FIELD (word, 29, 29) << 10
341 | GET_FIELD (word, 11, 15) << 11
342 | (word & 0x1) << 16, 17) << 2;
343 }
344
345 static int
346 extract_22 (unsigned word)
347 {
348 return sign_extend (GET_FIELD (word, 19, 28)
349 | GET_FIELD (word, 29, 29) << 10
350 | GET_FIELD (word, 11, 15) << 11
351 | GET_FIELD (word, 6, 10) << 16
352 | (word & 0x1) << 21, 22) << 2;
353 }
354
355 /* Print one instruction. */
356
357 int
358 print_insn_hppa (bfd_vma memaddr, disassemble_info *info)
359 {
360 bfd_byte buffer[4];
361 unsigned int insn, i;
362
363 {
364 int status =
365 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
366 if (status != 0)
367 {
368 (*info->memory_error_func) (status, memaddr, info);
369 return -1;
370 }
371 }
372
373 insn = bfd_getb32 (buffer);
374
375 for (i = 0; i < NUMOPCODES; ++i)
376 {
377 const struct pa_opcode *opcode = &pa_opcodes[i];
378
379 if ((insn & opcode->mask) == opcode->match)
380 {
381 const char *s;
382 #ifndef BFD64
383 if (opcode->arch == pa20w)
384 continue;
385 #endif
386 (*info->fprintf_func) (info->stream, "%s", opcode->name);
387
388 if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0]))
389 (*info->fprintf_func) (info->stream, " ");
390 for (s = opcode->args; *s != '\0'; ++s)
391 {
392 switch (*s)
393 {
394 case 'x':
395 fput_reg (GET_FIELD (insn, 11, 15), info);
396 break;
397 case 'a':
398 case 'b':
399 fput_reg (GET_FIELD (insn, 6, 10), info);
400 break;
401 case '^':
402 fput_creg (GET_FIELD (insn, 6, 10), info);
403 break;
404 case 't':
405 fput_reg (GET_FIELD (insn, 27, 31), info);
406 break;
407
408 /* Handle floating point registers. */
409 case 'f':
410 switch (*++s)
411 {
412 case 't':
413 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
414 break;
415 case 'T':
416 if (GET_FIELD (insn, 25, 25))
417 fput_fp_reg_r (GET_FIELD (insn, 27, 31), info);
418 else
419 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
420 break;
421 case 'a':
422 if (GET_FIELD (insn, 25, 25))
423 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
424 else
425 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
426 break;
427
428 /* 'fA' will not generate a space before the regsiter
429 name. Normally that is fine. Except that it
430 causes problems with xmpyu which has no FP format
431 completer. */
432 case 'X':
433 fputs_filtered (" ", info);
434 /* FALLTHRU */
435
436 case 'A':
437 if (GET_FIELD (insn, 24, 24))
438 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
439 else
440 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
441 break;
442 case 'b':
443 if (GET_FIELD (insn, 25, 25))
444 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
445 else
446 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
447 break;
448 case 'B':
449 if (GET_FIELD (insn, 19, 19))
450 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
451 else
452 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
453 break;
454 case 'C':
455 {
456 int reg = GET_FIELD (insn, 21, 22);
457 reg |= GET_FIELD (insn, 16, 18) << 2;
458 if (GET_FIELD (insn, 23, 23) != 0)
459 fput_fp_reg_r (reg, info);
460 else
461 fput_fp_reg (reg, info);
462 break;
463 }
464 case 'i':
465 {
466 int reg = GET_FIELD (insn, 6, 10);
467
468 reg |= (GET_FIELD (insn, 26, 26) << 4);
469 fput_fp_reg (reg, info);
470 break;
471 }
472 case 'j':
473 {
474 int reg = GET_FIELD (insn, 11, 15);
475
476 reg |= (GET_FIELD (insn, 26, 26) << 4);
477 fput_fp_reg (reg, info);
478 break;
479 }
480 case 'k':
481 {
482 int reg = GET_FIELD (insn, 27, 31);
483
484 reg |= (GET_FIELD (insn, 26, 26) << 4);
485 fput_fp_reg (reg, info);
486 break;
487 }
488 case 'l':
489 {
490 int reg = GET_FIELD (insn, 21, 25);
491
492 reg |= (GET_FIELD (insn, 26, 26) << 4);
493 fput_fp_reg (reg, info);
494 break;
495 }
496 case 'm':
497 {
498 int reg = GET_FIELD (insn, 16, 20);
499
500 reg |= (GET_FIELD (insn, 26, 26) << 4);
501 fput_fp_reg (reg, info);
502 break;
503 }
504
505 /* 'fe' will not generate a space before the register
506 name. Normally that is fine. Except that it
507 causes problems with fstw fe,y(b) which has no FP
508 format completer. */
509 case 'E':
510 fputs_filtered (" ", info);
511 /* FALLTHRU */
512
513 case 'e':
514 if (GET_FIELD (insn, 30, 30))
515 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
516 else
517 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
518 break;
519 case 'x':
520 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
521 break;
522 }
523 break;
524
525 case '5':
526 fput_const (extract_5_load (insn), info);
527 break;
528 case 's':
529 {
530 int space = GET_FIELD (insn, 16, 17);
531 /* Zero means implicit addressing, not use of sr0. */
532 if (space != 0)
533 (*info->fprintf_func) (info->stream, "sr%d", space);
534 }
535 break;
536
537 case 'S':
538 (*info->fprintf_func) (info->stream, "sr%d",
539 extract_3 (insn));
540 break;
541
542 /* Handle completers. */
543 case 'c':
544 switch (*++s)
545 {
546 case 'x':
547 (*info->fprintf_func)
548 (info->stream, "%s",
549 index_compl_names[GET_COMPL (insn)]);
550 break;
551 case 'X':
552 (*info->fprintf_func)
553 (info->stream, "%s ",
554 index_compl_names[GET_COMPL (insn)]);
555 break;
556 case 'm':
557 (*info->fprintf_func)
558 (info->stream, "%s",
559 short_ldst_compl_names[GET_COMPL (insn)]);
560 break;
561 case 'M':
562 (*info->fprintf_func)
563 (info->stream, "%s ",
564 short_ldst_compl_names[GET_COMPL (insn)]);
565 break;
566 case 'A':
567 (*info->fprintf_func)
568 (info->stream, "%s ",
569 short_bytes_compl_names[GET_COMPL (insn)]);
570 break;
571 case 's':
572 (*info->fprintf_func)
573 (info->stream, "%s",
574 short_bytes_compl_names[GET_COMPL (insn)]);
575 break;
576 case 'c':
577 case 'C':
578 switch (GET_FIELD (insn, 20, 21))
579 {
580 case 1:
581 (*info->fprintf_func) (info->stream, ",bc ");
582 break;
583 case 2:
584 (*info->fprintf_func) (info->stream, ",sl ");
585 break;
586 default:
587 (*info->fprintf_func) (info->stream, " ");
588 }
589 break;
590 case 'd':
591 switch (GET_FIELD (insn, 20, 21))
592 {
593 case 1:
594 (*info->fprintf_func) (info->stream, ",co ");
595 break;
596 default:
597 (*info->fprintf_func) (info->stream, " ");
598 }
599 break;
600 case 'o':
601 (*info->fprintf_func) (info->stream, ",o");
602 break;
603 case 'g':
604 (*info->fprintf_func) (info->stream, ",gate");
605 break;
606 case 'p':
607 (*info->fprintf_func) (info->stream, ",l,push");
608 break;
609 case 'P':
610 (*info->fprintf_func) (info->stream, ",pop");
611 break;
612 case 'l':
613 case 'L':
614 (*info->fprintf_func) (info->stream, ",l");
615 break;
616 case 'w':
617 (*info->fprintf_func)
618 (info->stream, "%s ",
619 read_write_names[GET_FIELD (insn, 25, 25)]);
620 break;
621 case 'W':
622 (*info->fprintf_func) (info->stream, ",w ");
623 break;
624 case 'r':
625 if (GET_FIELD (insn, 23, 26) == 5)
626 (*info->fprintf_func) (info->stream, ",r");
627 break;
628 case 'Z':
629 if (GET_FIELD (insn, 26, 26))
630 (*info->fprintf_func) (info->stream, ",m ");
631 else
632 (*info->fprintf_func) (info->stream, " ");
633 break;
634 case 'i':
635 if (GET_FIELD (insn, 25, 25))
636 (*info->fprintf_func) (info->stream, ",i");
637 break;
638 case 'z':
639 if (!GET_FIELD (insn, 21, 21))
640 (*info->fprintf_func) (info->stream, ",z");
641 break;
642 case 'a':
643 (*info->fprintf_func)
644 (info->stream, "%s",
645 add_compl_names[GET_FIELD (insn, 20, 21)]);
646 break;
647 case 'Y':
648 (*info->fprintf_func)
649 (info->stream, ",dc%s",
650 add_compl_names[GET_FIELD (insn, 20, 21)]);
651 break;
652 case 'y':
653 (*info->fprintf_func)
654 (info->stream, ",c%s",
655 add_compl_names[GET_FIELD (insn, 20, 21)]);
656 break;
657 case 'v':
658 if (GET_FIELD (insn, 20, 20))
659 (*info->fprintf_func) (info->stream, ",tsv");
660 break;
661 case 't':
662 (*info->fprintf_func) (info->stream, ",tc");
663 if (GET_FIELD (insn, 20, 20))
664 (*info->fprintf_func) (info->stream, ",tsv");
665 break;
666 case 'B':
667 (*info->fprintf_func) (info->stream, ",db");
668 if (GET_FIELD (insn, 20, 20))
669 (*info->fprintf_func) (info->stream, ",tsv");
670 break;
671 case 'b':
672 (*info->fprintf_func) (info->stream, ",b");
673 if (GET_FIELD (insn, 20, 20))
674 (*info->fprintf_func) (info->stream, ",tsv");
675 break;
676 case 'T':
677 if (GET_FIELD (insn, 25, 25))
678 (*info->fprintf_func) (info->stream, ",tc");
679 break;
680 case 'S':
681 /* EXTRD/W has a following condition. */
682 if (*(s + 1) == '?')
683 (*info->fprintf_func)
684 (info->stream, "%s",
685 signed_unsigned_names[GET_FIELD (insn, 21, 21)]);
686 else
687 (*info->fprintf_func)
688 (info->stream, "%s ",
689 signed_unsigned_names[GET_FIELD (insn, 21, 21)]);
690 break;
691 case 'h':
692 (*info->fprintf_func)
693 (info->stream, "%s",
694 mix_half_names[GET_FIELD (insn, 17, 17)]);
695 break;
696 case 'H':
697 (*info->fprintf_func)
698 (info->stream, "%s ",
699 saturation_names[GET_FIELD (insn, 24, 25)]);
700 break;
701 case '*':
702 (*info->fprintf_func)
703 (info->stream, ",%d%d%d%d ",
704 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
705 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
706 break;
707
708 case 'q':
709 {
710 int m, a;
711
712 m = GET_FIELD (insn, 28, 28);
713 a = GET_FIELD (insn, 29, 29);
714
715 if (m && !a)
716 fputs_filtered (",ma ", info);
717 else if (m && a)
718 fputs_filtered (",mb ", info);
719 else
720 fputs_filtered (" ", info);
721 break;
722 }
723
724 case 'J':
725 {
726 int opc = GET_FIELD (insn, 0, 5);
727
728 if (opc == 0x16 || opc == 0x1e)
729 {
730 if (GET_FIELD (insn, 29, 29) == 0)
731 fputs_filtered (",ma ", info);
732 else
733 fputs_filtered (",mb ", info);
734 }
735 else
736 fputs_filtered (" ", info);
737 break;
738 }
739
740 case 'e':
741 {
742 int opc = GET_FIELD (insn, 0, 5);
743
744 if (opc == 0x13 || opc == 0x1b)
745 {
746 if (GET_FIELD (insn, 18, 18) == 1)
747 fputs_filtered (",mb ", info);
748 else
749 fputs_filtered (",ma ", info);
750 }
751 else if (opc == 0x17 || opc == 0x1f)
752 {
753 if (GET_FIELD (insn, 31, 31) == 1)
754 fputs_filtered (",ma ", info);
755 else
756 fputs_filtered (",mb ", info);
757 }
758 else
759 fputs_filtered (" ", info);
760
761 break;
762 }
763 }
764 break;
765
766 /* Handle conditions. */
767 case '?':
768 {
769 s++;
770 switch (*s)
771 {
772 case 'f':
773 (*info->fprintf_func)
774 (info->stream, "%s ",
775 float_comp_names[GET_FIELD (insn, 27, 31)]);
776 break;
777
778 /* These four conditions are for the set of instructions
779 which distinguish true/false conditions by opcode
780 rather than by the 'f' bit (sigh): comb, comib,
781 addb, addib. */
782 case 't':
783 fputs_filtered
784 (compare_cond_names[GET_FIELD (insn, 16, 18)], info);
785 break;
786 case 'n':
787 fputs_filtered
788 (compare_cond_names[GET_FIELD (insn, 16, 18)
789 + GET_FIELD (insn, 4, 4) * 8],
790 info);
791 break;
792 case 'N':
793 fputs_filtered
794 (compare_cond_64_names[GET_FIELD (insn, 16, 18)
795 + GET_FIELD (insn, 2, 2) * 8],
796 info);
797 break;
798 case 'Q':
799 fputs_filtered
800 (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
801 info);
802 break;
803 case '@':
804 fputs_filtered
805 (add_cond_names[GET_FIELD (insn, 16, 18)
806 + GET_FIELD (insn, 4, 4) * 8],
807 info);
808 break;
809 case 's':
810 (*info->fprintf_func)
811 (info->stream, "%s ",
812 compare_cond_names[GET_COND (insn)]);
813 break;
814 case 'S':
815 (*info->fprintf_func)
816 (info->stream, "%s ",
817 compare_cond_64_names[GET_COND (insn)]);
818 break;
819 case 'a':
820 (*info->fprintf_func)
821 (info->stream, "%s ",
822 add_cond_names[GET_COND (insn)]);
823 break;
824 case 'A':
825 (*info->fprintf_func)
826 (info->stream, "%s ",
827 add_cond_64_names[GET_COND (insn)]);
828 break;
829 case 'd':
830 (*info->fprintf_func)
831 (info->stream, "%s",
832 add_cond_names[GET_FIELD (insn, 16, 18)]);
833 break;
834
835 case 'W':
836 (*info->fprintf_func)
837 (info->stream, "%s",
838 wide_add_cond_names[GET_FIELD (insn, 16, 18) +
839 GET_FIELD (insn, 4, 4) * 8]);
840 break;
841
842 case 'l':
843 (*info->fprintf_func)
844 (info->stream, "%s ",
845 logical_cond_names[GET_COND (insn)]);
846 break;
847 case 'L':
848 (*info->fprintf_func)
849 (info->stream, "%s ",
850 logical_cond_64_names[GET_COND (insn)]);
851 break;
852 case 'u':
853 (*info->fprintf_func)
854 (info->stream, "%s ",
855 unit_cond_names[GET_COND (insn)]);
856 break;
857 case 'U':
858 (*info->fprintf_func)
859 (info->stream, "%s ",
860 unit_cond_64_names[GET_COND (insn)]);
861 break;
862 case 'y':
863 case 'x':
864 case 'b':
865 (*info->fprintf_func)
866 (info->stream, "%s",
867 shift_cond_names[GET_FIELD (insn, 16, 18)]);
868
869 /* If the next character in args is 'n', it will handle
870 putting out the space. */
871 if (s[1] != 'n')
872 (*info->fprintf_func) (info->stream, " ");
873 break;
874 case 'X':
875 (*info->fprintf_func)
876 (info->stream, "%s ",
877 shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
878 break;
879 case 'B':
880 (*info->fprintf_func)
881 (info->stream, "%s",
882 bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
883
884 /* If the next character in args is 'n', it will handle
885 putting out the space. */
886 if (s[1] != 'n')
887 (*info->fprintf_func) (info->stream, " ");
888 break;
889 }
890 break;
891 }
892
893 case 'V':
894 fput_const (extract_5_store (insn), info);
895 break;
896 case 'r':
897 fput_const (extract_5r_store (insn), info);
898 break;
899 case 'R':
900 fput_const (extract_5R_store (insn), info);
901 break;
902 case 'U':
903 fput_const (extract_10U_store (insn), info);
904 break;
905 case 'B':
906 case 'Q':
907 fput_const (extract_5Q_store (insn), info);
908 break;
909 case 'i':
910 fput_const (extract_11 (insn), info);
911 break;
912 case 'j':
913 fput_const (extract_14 (insn), info);
914 break;
915 case 'k':
916 fputs_filtered ("L%", info);
917 fput_const (extract_21 (insn), info);
918 break;
919 case '<':
920 case 'l':
921 /* 16-bit long disp., PA2.0 wide only. */
922 fput_const (extract_16 (insn), info);
923 break;
924 case 'n':
925 if (insn & 0x2)
926 (*info->fprintf_func) (info->stream, ",n ");
927 else
928 (*info->fprintf_func) (info->stream, " ");
929 break;
930 case 'N':
931 if ((insn & 0x20) && s[1])
932 (*info->fprintf_func) (info->stream, ",n ");
933 else if (insn & 0x20)
934 (*info->fprintf_func) (info->stream, ",n");
935 else if (s[1])
936 (*info->fprintf_func) (info->stream, " ");
937 break;
938 case 'w':
939 (*info->print_address_func)
940 (memaddr + 8 + extract_12 (insn), info);
941 break;
942 case 'W':
943 /* 17 bit PC-relative branch. */
944 (*info->print_address_func)
945 ((memaddr + 8 + extract_17 (insn)), info);
946 break;
947 case 'z':
948 /* 17 bit displacement. This is an offset from a register
949 so it gets disasssembled as just a number, not any sort
950 of address. */
951 fput_const (extract_17 (insn), info);
952 break;
953
954 case 'Z':
955 /* addil %r1 implicit output. */
956 fputs_filtered ("r1", info);
957 break;
958
959 case 'Y':
960 /* be,l %sr0,%r31 implicit output. */
961 fputs_filtered ("sr0,r31", info);
962 break;
963
964 case '@':
965 (*info->fprintf_func) (info->stream, "0");
966 break;
967
968 case '.':
969 (*info->fprintf_func) (info->stream, "%d",
970 GET_FIELD (insn, 24, 25));
971 break;
972 case '*':
973 (*info->fprintf_func) (info->stream, "%d",
974 GET_FIELD (insn, 22, 25));
975 break;
976 case '!':
977 fputs_filtered ("sar", info);
978 break;
979 case 'p':
980 (*info->fprintf_func) (info->stream, "%d",
981 31 - GET_FIELD (insn, 22, 26));
982 break;
983 case '~':
984 {
985 int num;
986 num = GET_FIELD (insn, 20, 20) << 5;
987 num |= GET_FIELD (insn, 22, 26);
988 (*info->fprintf_func) (info->stream, "%d", 63 - num);
989 break;
990 }
991 case 'P':
992 (*info->fprintf_func) (info->stream, "%d",
993 GET_FIELD (insn, 22, 26));
994 break;
995 case 'q':
996 {
997 int num;
998 num = GET_FIELD (insn, 20, 20) << 5;
999 num |= GET_FIELD (insn, 22, 26);
1000 (*info->fprintf_func) (info->stream, "%d", num);
1001 break;
1002 }
1003 case 'T':
1004 (*info->fprintf_func) (info->stream, "%d",
1005 32 - GET_FIELD (insn, 27, 31));
1006 break;
1007 case '%':
1008 {
1009 int num;
1010 num = (GET_FIELD (insn, 23, 23) + 1) * 32;
1011 num -= GET_FIELD (insn, 27, 31);
1012 (*info->fprintf_func) (info->stream, "%d", num);
1013 break;
1014 }
1015 case '|':
1016 {
1017 int num;
1018 num = (GET_FIELD (insn, 19, 19) + 1) * 32;
1019 num -= GET_FIELD (insn, 27, 31);
1020 (*info->fprintf_func) (info->stream, "%d", num);
1021 break;
1022 }
1023 case '$':
1024 fput_const (GET_FIELD (insn, 20, 28), info);
1025 break;
1026 case 'A':
1027 fput_const (GET_FIELD (insn, 6, 18), info);
1028 break;
1029 case 'D':
1030 fput_const (GET_FIELD (insn, 6, 31), info);
1031 break;
1032 case 'v':
1033 (*info->fprintf_func) (info->stream, ",%d",
1034 GET_FIELD (insn, 23, 25));
1035 break;
1036 case 'O':
1037 fput_const ((GET_FIELD (insn, 6,20) << 5 |
1038 GET_FIELD (insn, 27, 31)), info);
1039 break;
1040 case 'o':
1041 fput_const (GET_FIELD (insn, 6, 20), info);
1042 break;
1043 case '2':
1044 fput_const ((GET_FIELD (insn, 6, 22) << 5 |
1045 GET_FIELD (insn, 27, 31)), info);
1046 break;
1047 case '1':
1048 fput_const ((GET_FIELD (insn, 11, 20) << 5 |
1049 GET_FIELD (insn, 27, 31)), info);
1050 break;
1051 case '0':
1052 fput_const ((GET_FIELD (insn, 16, 20) << 5 |
1053 GET_FIELD (insn, 27, 31)), info);
1054 break;
1055 case 'u':
1056 (*info->fprintf_func) (info->stream, ",%d",
1057 GET_FIELD (insn, 23, 25));
1058 break;
1059 case 'F':
1060 /* If no destination completer and not before a completer
1061 for fcmp, need a space here. */
1062 if (s[1] == 'G' || s[1] == '?')
1063 fputs_filtered
1064 (float_format_names[GET_FIELD (insn, 19, 20)], info);
1065 else
1066 (*info->fprintf_func)
1067 (info->stream, "%s ",
1068 float_format_names[GET_FIELD (insn, 19, 20)]);
1069 break;
1070 case 'G':
1071 (*info->fprintf_func)
1072 (info->stream, "%s ",
1073 float_format_names[GET_FIELD (insn, 17, 18)]);
1074 break;
1075 case 'H':
1076 if (GET_FIELD (insn, 26, 26) == 1)
1077 (*info->fprintf_func) (info->stream, "%s ",
1078 float_format_names[0]);
1079 else
1080 (*info->fprintf_func) (info->stream, "%s ",
1081 float_format_names[1]);
1082 break;
1083 case 'I':
1084 /* If no destination completer and not before a completer
1085 for fcmp, need a space here. */
1086 if (s[1] == '?')
1087 fputs_filtered
1088 (float_format_names[GET_FIELD (insn, 20, 20)], info);
1089 else
1090 (*info->fprintf_func)
1091 (info->stream, "%s ",
1092 float_format_names[GET_FIELD (insn, 20, 20)]);
1093 break;
1094
1095 case 'J':
1096 fput_const (extract_14 (insn), info);
1097 break;
1098
1099 case '#':
1100 {
1101 int sign = GET_FIELD (insn, 31, 31);
1102 int imm10 = GET_FIELD (insn, 18, 27);
1103 int disp;
1104
1105 if (sign)
1106 disp = (-1 << 10) | imm10;
1107 else
1108 disp = imm10;
1109
1110 disp <<= 3;
1111 fput_const (disp, info);
1112 break;
1113 }
1114 case 'K':
1115 case 'd':
1116 {
1117 int sign = GET_FIELD (insn, 31, 31);
1118 int imm11 = GET_FIELD (insn, 18, 28);
1119 int disp;
1120
1121 if (sign)
1122 disp = (-1 << 11) | imm11;
1123 else
1124 disp = imm11;
1125
1126 disp <<= 2;
1127 fput_const (disp, info);
1128 break;
1129 }
1130
1131 case '>':
1132 case 'y':
1133 {
1134 /* 16-bit long disp., PA2.0 wide only. */
1135 int disp = extract_16 (insn);
1136 disp &= ~3;
1137 fput_const (disp, info);
1138 break;
1139 }
1140
1141 case '&':
1142 {
1143 /* 16-bit long disp., PA2.0 wide only. */
1144 int disp = extract_16 (insn);
1145 disp &= ~7;
1146 fput_const (disp, info);
1147 break;
1148 }
1149
1150 case '_':
1151 break; /* Dealt with by '{' */
1152
1153 case '{':
1154 {
1155 int sub = GET_FIELD (insn, 14, 16);
1156 int df = GET_FIELD (insn, 17, 18);
1157 int sf = GET_FIELD (insn, 19, 20);
1158 const char * const * source = float_format_names;
1159 const char * const * dest = float_format_names;
1160 char *t = "";
1161
1162 if (sub == 4)
1163 {
1164 fputs_filtered (",UND ", info);
1165 break;
1166 }
1167 if ((sub & 3) == 3)
1168 t = ",t";
1169 if ((sub & 3) == 1)
1170 source = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names;
1171 if (sub & 2)
1172 dest = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names;
1173
1174 (*info->fprintf_func) (info->stream, "%s%s%s ",
1175 t, source[sf], dest[df]);
1176 break;
1177 }
1178
1179 case 'm':
1180 {
1181 int y = GET_FIELD (insn, 16, 18);
1182
1183 if (y != 1)
1184 fput_const ((y ^ 1) - 1, info);
1185 }
1186 break;
1187
1188 case 'h':
1189 {
1190 int cbit;
1191
1192 cbit = GET_FIELD (insn, 16, 18);
1193
1194 if (cbit > 0)
1195 (*info->fprintf_func) (info->stream, ",%d", cbit - 1);
1196 break;
1197 }
1198
1199 case '=':
1200 {
1201 int cond = GET_FIELD (insn, 27, 31);
1202
1203 switch (cond)
1204 {
1205 case 0: fputs_filtered (" ", info); break;
1206 case 1: fputs_filtered ("acc ", info); break;
1207 case 2: fputs_filtered ("rej ", info); break;
1208 case 5: fputs_filtered ("acc8 ", info); break;
1209 case 6: fputs_filtered ("rej8 ", info); break;
1210 case 9: fputs_filtered ("acc6 ", info); break;
1211 case 13: fputs_filtered ("acc4 ", info); break;
1212 case 17: fputs_filtered ("acc2 ", info); break;
1213 default: break;
1214 }
1215 break;
1216 }
1217
1218 case 'X':
1219 (*info->print_address_func)
1220 (memaddr + 8 + extract_22 (insn), info);
1221 break;
1222 case 'L':
1223 fputs_filtered (",rp", info);
1224 break;
1225 default:
1226 (*info->fprintf_func) (info->stream, "%c", *s);
1227 break;
1228 }
1229 }
1230 return sizeof (insn);
1231 }
1232 }
1233 (*info->fprintf_func) (info->stream, "#%8x", insn);
1234 return sizeof (insn);
1235 }
GDB Binutils - Deliverables
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