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Add IP2K support
[binutils.git] / opcodes / hppa-dis.c
blobd9ab9dd99d506e5200204c7aa0de38eba6905513
1 /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c.
2 Copyright 1989, 1990, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
4
5 Contributed by the Center for Software Science at the
6 University of Utah (pa-gdb-bugs@cs.utah.edu).
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21
22 #include "sysdep.h"
23 #include "dis-asm.h"
24 #include "libhppa.h"
25 #include "opcode/hppa.h"
26
27 /* Integer register names, indexed by the numbers which appear in the
28 opcodes. */
29 static const char *const reg_names[] =
30 {"flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9",
31 "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19",
32 "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1",
33 "sp", "r31"};
34
35 /* Floating point register names, indexed by the numbers which appear in the
36 opcodes. */
37 static const char *const fp_reg_names[] =
38 {"fpsr", "fpe2", "fpe4", "fpe6",
39 "fr4", "fr5", "fr6", "fr7", "fr8",
40 "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
41 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
42 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31"};
43
44 typedef unsigned int CORE_ADDR;
45
46 /* Get at various relevent fields of an instruction word. */
47
48 #define MASK_5 0x1f
49 #define MASK_10 0x3ff
50 #define MASK_11 0x7ff
51 #define MASK_14 0x3fff
52 #define MASK_16 0xffff
53 #define MASK_21 0x1fffff
54
55 /* These macros get bit fields using HP's numbering (MSB = 0) */
56
57 #define GET_FIELD(X, FROM, TO) \
58 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
59
60 #define GET_BIT(X, WHICH) \
61 GET_FIELD (X, WHICH, WHICH)
62
63 /* Some of these have been converted to 2-d arrays because they
64 consume less storage this way. If the maintenance becomes a
65 problem, convert them back to const 1-d pointer arrays. */
66 static const char *const control_reg[] = {
67 "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
68 "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4",
69 "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr",
70 "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3",
71 "tr4", "tr5", "tr6", "tr7"
72 };
73
74 static const char *const compare_cond_names[] = {
75 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od",
76 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev"
77 };
78 static const char *const compare_cond_64_names[] = {
79 "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od",
80 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev"
81 };
82 static const char *const cmpib_cond_64_names[] = {
83 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>"
84 };
85 static const char *const add_cond_names[] = {
86 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od",
87 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev"
88 };
89 static const char *const add_cond_64_names[] = {
90 "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od",
91 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev"
92 };
93 static const char *const wide_add_cond_names[] = {
94 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=",
95 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>"
96 };
97 static const char *const logical_cond_names[] = {
98 "", ",=", ",<", ",<=", 0, 0, 0, ",od",
99 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
100 static const char *const logical_cond_64_names[] = {
101 "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od",
102 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"};
103 static const char *const unit_cond_names[] = {
104 "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc",
105 ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc"
106 };
107 static const char *const unit_cond_64_names[] = {
108 "", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc",
109 ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc"
110 };
111 static const char *const shift_cond_names[] = {
112 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
113 };
114 static const char *const shift_cond_64_names[] = {
115 "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev"
116 };
117 static const char *const bb_cond_64_names[] = {
118 ",*<", ",*>="
119 };
120 static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"};
121 static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
122 static const char *const short_bytes_compl_names[] = {
123 "", ",b,m", ",e", ",e,m"
124 };
125 static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
126 static const char *const float_comp_names[] =
127 {
128 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
129 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
130 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
131 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
132 };
133 static const char *const signed_unsigned_names[] = {",u", ",s"};
134 static const char *const mix_half_names[] = {",l", ",r"};
135 static const char *const saturation_names[] = {",us", ",ss", 0, ""};
136 static const char *const read_write_names[] = {",r", ",w"};
137 static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
138
139 /* For a bunch of different instructions form an index into a
140 completer name table. */
141 #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
142 GET_FIELD (insn, 18, 18) << 1)
143
144 #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \
145 (GET_FIELD ((insn), 19, 19) ? 8 : 0))
146
147 static void fput_reg PARAMS ((unsigned int, disassemble_info *));
148 static void fput_fp_reg PARAMS ((unsigned int, disassemble_info *));
149 static void fput_fp_reg_r PARAMS ((unsigned int, disassemble_info *));
150 static void fput_creg PARAMS ((unsigned int, disassemble_info *));
151 static void fput_const PARAMS ((unsigned int, disassemble_info *));
152 static int extract_3 PARAMS ((unsigned int));
153 static int extract_5_load PARAMS ((unsigned int));
154 static int extract_5_store PARAMS ((unsigned int));
155 static unsigned extract_5r_store PARAMS ((unsigned int));
156 static unsigned extract_5R_store PARAMS ((unsigned int));
157 static unsigned extract_10U_store PARAMS ((unsigned int));
158 static unsigned extract_5Q_store PARAMS ((unsigned int));
159 static int extract_11 PARAMS ((unsigned int));
160 static int extract_14 PARAMS ((unsigned int));
161 static int extract_16 PARAMS ((unsigned int));
162 static int extract_21 PARAMS ((unsigned int));
163 static int extract_12 PARAMS ((unsigned int));
164 static int extract_17 PARAMS ((unsigned int));
165 static int extract_22 PARAMS ((unsigned int));
166
167 /* Utility function to print registers. Put these first, so gcc's function
168 inlining can do its stuff. */
169
170 #define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR)
171
172 static void
173 fput_reg (reg, info)
174 unsigned reg;
175 disassemble_info *info;
176 {
177 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
178 }
179
180 static void
181 fput_fp_reg (reg, info)
182 unsigned reg;
183 disassemble_info *info;
184 {
185 (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0");
186 }
187
188 static void
189 fput_fp_reg_r (reg, info)
190 unsigned reg;
191 disassemble_info *info;
192 {
193 /* Special case floating point exception registers. */
194 if (reg < 4)
195 (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1);
196 else
197 (*info->fprintf_func) (info->stream, "%sR", reg ? fp_reg_names[reg]
198 : "fr0");
199 }
200
201 static void
202 fput_creg (reg, info)
203 unsigned reg;
204 disassemble_info *info;
205 {
206 (*info->fprintf_func) (info->stream, control_reg[reg]);
207 }
208
209 /* Print constants with sign. */
210
211 static void
212 fput_const (num, info)
213 unsigned num;
214 disassemble_info *info;
215 {
216 if ((int)num < 0)
217 (*info->fprintf_func) (info->stream, "-%x", -(int)num);
218 else
219 (*info->fprintf_func) (info->stream, "%x", num);
220 }
221
222 /* Routines to extract various sized constants out of hppa
223 instructions. */
224
225 /* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */
226 static int
227 extract_3 (word)
228 unsigned word;
229 {
230 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
231 }
232
233 static int
234 extract_5_load (word)
235 unsigned word;
236 {
237 return low_sign_extend (word >> 16 & MASK_5, 5);
238 }
239
240 /* Extract the immediate field from a st{bhw}s instruction. */
241 static int
242 extract_5_store (word)
243 unsigned word;
244 {
245 return low_sign_extend (word & MASK_5, 5);
246 }
247
248 /* Extract the immediate field from a break instruction. */
249 static unsigned
250 extract_5r_store (word)
251 unsigned word;
252 {
253 return (word & MASK_5);
254 }
255
256 /* Extract the immediate field from a {sr}sm instruction. */
257 static unsigned
258 extract_5R_store (word)
259 unsigned word;
260 {
261 return (word >> 16 & MASK_5);
262 }
263
264 /* Extract the 10 bit immediate field from a {sr}sm instruction. */
265 static unsigned
266 extract_10U_store (word)
267 unsigned word;
268 {
269 return (word >> 16 & MASK_10);
270 }
271
272 /* Extract the immediate field from a bb instruction. */
273 static unsigned
274 extract_5Q_store (word)
275 unsigned word;
276 {
277 return (word >> 21 & MASK_5);
278 }
279
280 /* Extract an 11 bit immediate field. */
281 static int
282 extract_11 (word)
283 unsigned word;
284 {
285 return low_sign_extend (word & MASK_11, 11);
286 }
287
288 /* Extract a 14 bit immediate field. */
289 static int
290 extract_14 (word)
291 unsigned word;
292 {
293 return low_sign_extend (word & MASK_14, 14);
294 }
295
296 /* Extract a 16 bit immediate field (PA2.0 wide only). */
297 static int
298 extract_16 (word)
299 unsigned word;
300 {
301 int m15, m0, m1;
302 m0 = GET_BIT (word, 16);
303 m1 = GET_BIT (word, 17);
304 m15 = GET_BIT (word, 31);
305 word = (word >> 1) & 0x1fff;
306 word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13);
307 return sign_extend (word, 16);
308 }
309
310 /* Extract a 21 bit constant. */
311
312 static int
313 extract_21 (word)
314 unsigned word;
315 {
316 int val;
317
318 word &= MASK_21;
319 word <<= 11;
320 val = GET_FIELD (word, 20, 20);
321 val <<= 11;
322 val |= GET_FIELD (word, 9, 19);
323 val <<= 2;
324 val |= GET_FIELD (word, 5, 6);
325 val <<= 5;
326 val |= GET_FIELD (word, 0, 4);
327 val <<= 2;
328 val |= GET_FIELD (word, 7, 8);
329 return sign_extend (val, 21) << 11;
330 }
331
332 /* Extract a 12 bit constant from branch instructions. */
333
334 static int
335 extract_12 (word)
336 unsigned word;
337 {
338 return sign_extend (GET_FIELD (word, 19, 28) |
339 GET_FIELD (word, 29, 29) << 10 |
340 (word & 0x1) << 11, 12) << 2;
341 }
342
343 /* Extract a 17 bit constant from branch instructions, returning the
344 19 bit signed value. */
345
346 static int
347 extract_17 (word)
348 unsigned word;
349 {
350 return sign_extend (GET_FIELD (word, 19, 28) |
351 GET_FIELD (word, 29, 29) << 10 |
352 GET_FIELD (word, 11, 15) << 11 |
353 (word & 0x1) << 16, 17) << 2;
354 }
355
356 static int
357 extract_22 (word)
358 unsigned word;
359 {
360 return sign_extend (GET_FIELD (word, 19, 28) |
361 GET_FIELD (word, 29, 29) << 10 |
362 GET_FIELD (word, 11, 15) << 11 |
363 GET_FIELD (word, 6, 10) << 16 |
364 (word & 0x1) << 21, 22) << 2;
365 }
366
367 /* Print one instruction. */
368 int
369 print_insn_hppa (memaddr, info)
370 bfd_vma memaddr;
371 disassemble_info *info;
372 {
373 bfd_byte buffer[4];
374 unsigned int insn, i;
375
376 {
377 int status =
378 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
379 if (status != 0)
380 {
381 (*info->memory_error_func) (status, memaddr, info);
382 return -1;
383 }
384 }
385
386 insn = bfd_getb32 (buffer);
387
388 for (i = 0; i < NUMOPCODES; ++i)
389 {
390 const struct pa_opcode *opcode = &pa_opcodes[i];
391 if ((insn & opcode->mask) == opcode->match)
392 {
393 register const char *s;
394 #ifndef BFD64
395 if (opcode->arch == pa20w)
396 continue;
397 #endif
398 (*info->fprintf_func) (info->stream, "%s", opcode->name);
399
400 if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0]))
401 (*info->fprintf_func) (info->stream, " ");
402 for (s = opcode->args; *s != '\0'; ++s)
403 {
404 switch (*s)
405 {
406 case 'x':
407 fput_reg (GET_FIELD (insn, 11, 15), info);
408 break;
409 case 'a':
410 case 'b':
411 fput_reg (GET_FIELD (insn, 6, 10), info);
412 break;
413 case '^':
414 fput_creg (GET_FIELD (insn, 6, 10), info);
415 break;
416 case 't':
417 fput_reg (GET_FIELD (insn, 27, 31), info);
418 break;
419
420 /* Handle floating point registers. */
421 case 'f':
422 switch (*++s)
423 {
424 case 't':
425 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
426 break;
427 case 'T':
428 if (GET_FIELD (insn, 25, 25))
429 fput_fp_reg_r (GET_FIELD (insn, 27, 31), info);
430 else
431 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
432 break;
433 case 'a':
434 if (GET_FIELD (insn, 25, 25))
435 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
436 else
437 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
438 break;
439
440 /* 'fA' will not generate a space before the regsiter
441 name. Normally that is fine. Except that it
442 causes problems with xmpyu which has no FP format
443 completer. */
444 case 'X':
445 fputs_filtered (" ", info);
446
447 /* FALLTHRU */
448
449 case 'A':
450 if (GET_FIELD (insn, 24, 24))
451 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
452 else
453 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
454
455 break;
456 case 'b':
457 if (GET_FIELD (insn, 25, 25))
458 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
459 else
460 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
461 break;
462 case 'B':
463 if (GET_FIELD (insn, 19, 19))
464 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
465 else
466 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
467 break;
468 case 'C':
469 {
470 int reg = GET_FIELD (insn, 21, 22);
471 reg |= GET_FIELD (insn, 16, 18) << 2;
472 if (GET_FIELD (insn, 23, 23) != 0)
473 fput_fp_reg_r (reg, info);
474 else
475 fput_fp_reg (reg, info);
476 break;
477 }
478 case 'i':
479 {
480 int reg = GET_FIELD (insn, 6, 10);
481
482 reg |= (GET_FIELD (insn, 26, 26) << 4);
483 fput_fp_reg (reg, info);
484 break;
485 }
486 case 'j':
487 {
488 int reg = GET_FIELD (insn, 11, 15);
489
490 reg |= (GET_FIELD (insn, 26, 26) << 4);
491 fput_fp_reg (reg, info);
492 break;
493 }
494 case 'k':
495 {
496 int reg = GET_FIELD (insn, 27, 31);
497
498 reg |= (GET_FIELD (insn, 26, 26) << 4);
499 fput_fp_reg (reg, info);
500 break;
501 }
502 case 'l':
503 {
504 int reg = GET_FIELD (insn, 21, 25);
505
506 reg |= (GET_FIELD (insn, 26, 26) << 4);
507 fput_fp_reg (reg, info);
508 break;
509 }
510 case 'm':
511 {
512 int reg = GET_FIELD (insn, 16, 20);
513
514 reg |= (GET_FIELD (insn, 26, 26) << 4);
515 fput_fp_reg (reg, info);
516 break;
517 }
518
519 /* 'fe' will not generate a space before the register
520 name. Normally that is fine. Except that it
521 causes problems with fstw fe,y(b) which has no FP
522 format completer. */
523 case 'E':
524 fputs_filtered (" ", info);
525
526 /* FALLTHRU */
527
528 case 'e':
529 if (GET_FIELD (insn, 30, 30))
530 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
531 else
532 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
533 break;
534 case 'x':
535 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
536 break;
537 }
538 break;
539
540 case '5':
541 fput_const (extract_5_load (insn), info);
542 break;
543 case 's':
544 (*info->fprintf_func) (info->stream,
545 "sr%d", GET_FIELD (insn, 16, 17));
546 break;
547
548 case 'S':
549 (*info->fprintf_func) (info->stream, "sr%d", extract_3 (insn));
550 break;
551
552 /* Handle completers. */
553 case 'c':
554 switch (*++s)
555 {
556 case 'x':
557 (*info->fprintf_func) (info->stream, "%s",
558 index_compl_names[GET_COMPL (insn)]);
559 break;
560 case 'X':
561 (*info->fprintf_func) (info->stream, "%s ",
562 index_compl_names[GET_COMPL (insn)]);
563 break;
564 case 'm':
565 (*info->fprintf_func) (info->stream, "%s",
566 short_ldst_compl_names[GET_COMPL (insn)]);
567 break;
568 case 'M':
569 (*info->fprintf_func) (info->stream, "%s ",
570 short_ldst_compl_names[GET_COMPL (insn)]);
571 break;
572 case 'A':
573 (*info->fprintf_func) (info->stream, "%s ",
574 short_bytes_compl_names[GET_COMPL (insn)]);
575 break;
576 case 's':
577 (*info->fprintf_func) (info->stream, "%s",
578 short_bytes_compl_names[GET_COMPL (insn)]);
579 break;
580 case 'c':
581 case 'C':
582 switch (GET_FIELD (insn, 20, 21))
583 {
584 case 1:
585 (*info->fprintf_func) (info->stream, ",bc ");
586 break;
587 case 2:
588 (*info->fprintf_func) (info->stream, ",sl ");
589 break;
590 default:
591 (*info->fprintf_func) (info->stream, " ");
592 }
593 break;
594 case 'd':
595 switch (GET_FIELD (insn, 20, 21))
596 {
597 case 1:
598 (*info->fprintf_func) (info->stream, ",co ");
599 break;
600 default:
601 (*info->fprintf_func) (info->stream, " ");
602 }
603 break;
604 case 'o':
605 (*info->fprintf_func) (info->stream, ",o");
606 break;
607 case 'g':
608 (*info->fprintf_func) (info->stream, ",gate");
609 break;
610 case 'p':
611 (*info->fprintf_func) (info->stream, ",l,push");
612 break;
613 case 'P':
614 (*info->fprintf_func) (info->stream, ",pop");
615 break;
616 case 'l':
617 case 'L':
618 (*info->fprintf_func) (info->stream, ",l");
619 break;
620 case 'w':
621 (*info->fprintf_func) (info->stream, "%s ",
622 read_write_names[GET_FIELD (insn, 25, 25)]);
623 break;
624 case 'W':
625 (*info->fprintf_func) (info->stream, ",w");
626 break;
627 case 'r':
628 if (GET_FIELD (insn, 23, 26) == 5)
629 (*info->fprintf_func) (info->stream, ",r");
630 break;
631 case 'Z':
632 if (GET_FIELD (insn, 26, 26))
633 (*info->fprintf_func) (info->stream, ",m ");
634 else
635 (*info->fprintf_func) (info->stream, " ");
636 break;
637 case 'i':
638 if (GET_FIELD (insn, 25, 25))
639 (*info->fprintf_func) (info->stream, ",i");
640 break;
641 case 'z':
642 if (!GET_FIELD (insn, 21, 21))
643 (*info->fprintf_func) (info->stream, ",z");
644 break;
645 case 'a':
646 (*info->fprintf_func)
647 (info->stream, "%s", add_compl_names[GET_FIELD
648 (insn, 20, 21)]);
649 break;
650 case 'Y':
651 (*info->fprintf_func)
652 (info->stream, ",dc%s", add_compl_names[GET_FIELD
653 (insn, 20, 21)]);
654 break;
655 case 'y':
656 (*info->fprintf_func)
657 (info->stream, ",c%s", add_compl_names[GET_FIELD
658 (insn, 20, 21)]);
659 break;
660 case 'v':
661 if (GET_FIELD (insn, 20, 20))
662 (*info->fprintf_func) (info->stream, ",tsv");
663 break;
664 case 't':
665 (*info->fprintf_func) (info->stream, ",tc");
666 if (GET_FIELD (insn, 20, 20))
667 (*info->fprintf_func) (info->stream, ",tsv");
668 break;
669 case 'B':
670 (*info->fprintf_func) (info->stream, ",db");
671 if (GET_FIELD (insn, 20, 20))
672 (*info->fprintf_func) (info->stream, ",tsv");
673 break;
674 case 'b':
675 (*info->fprintf_func) (info->stream, ",b");
676 if (GET_FIELD (insn, 20, 20))
677 (*info->fprintf_func) (info->stream, ",tsv");
678 break;
679 case 'T':
680 if (GET_FIELD (insn, 25, 25))
681 (*info->fprintf_func) (info->stream, ",tc");
682 break;
683 case 'S':
684 /* EXTRD/W has a following condition. */
685 if (*(s + 1) == '?')
686 (*info->fprintf_func)
687 (info->stream, "%s", signed_unsigned_names[GET_FIELD
688 (insn, 21, 21)]);
689 else
690 (*info->fprintf_func)
691 (info->stream, "%s ", signed_unsigned_names[GET_FIELD
692 (insn, 21, 21)]);
693 break;
694 case 'h':
695 (*info->fprintf_func)
696 (info->stream, "%s", mix_half_names[GET_FIELD
697 (insn, 17, 17)]);
698 break;
699 case 'H':
700 (*info->fprintf_func)
701 (info->stream, "%s ", saturation_names[GET_FIELD
702 (insn, 24, 25)]);
703 break;
704 case '*':
705 (*info->fprintf_func)
706 (info->stream, ",%d%d%d%d ",
707 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
708 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
709 break;
710
711 case 'q':
712 {
713 int m, a;
714
715 m = GET_FIELD (insn, 28, 28);
716 a = GET_FIELD (insn, 29, 29);
717
718 if (m && !a)
719 fputs_filtered (",ma ", info);
720 else if (m && a)
721 fputs_filtered (",mb ", info);
722 else
723 fputs_filtered (" ", info);
724 break;
725 }
726
727 case 'J':
728 {
729 int opc = GET_FIELD (insn, 0, 5);
730
731 if (opc == 0x16 || opc == 0x1e)
732 {
733 if (GET_FIELD (insn, 29, 29) == 0)
734 fputs_filtered (",ma ", info);
735 else
736 fputs_filtered (",mb ", info);
737 }
738 else
739 fputs_filtered (" ", info);
740 break;
741 }
742
743 case 'e':
744 {
745 int opc = GET_FIELD (insn, 0, 5);
746
747 if (opc == 0x13 || opc == 0x1b)
748 {
749 if (GET_FIELD (insn, 18, 18) == 1)
750 fputs_filtered (",mb ", info);
751 else
752 fputs_filtered (",ma ", info);
753 }
754 else if (opc == 0x17 || opc == 0x1f)
755 {
756 if (GET_FIELD (insn, 31, 31) == 1)
757 fputs_filtered (",ma ", info);
758 else
759 fputs_filtered (",mb ", info);
760 }
761 else
762 fputs_filtered (" ", info);
763
764 break;
765 }
766 }
767 break;
768
769 /* Handle conditions. */
770 case '?':
771 {
772 s++;
773 switch (*s)
774 {
775 case 'f':
776 (*info->fprintf_func) (info->stream, "%s ",
777 float_comp_names[GET_FIELD
778 (insn, 27, 31)]);
779 break;
780
781 /* these four conditions are for the set of instructions
782 which distinguish true/false conditions by opcode
783 rather than by the 'f' bit (sigh): comb, comib,
784 addb, addib */
785 case 't':
786 fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)],
787 info);
788 break;
789 case 'n':
790 fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)
791 + GET_FIELD (insn, 4, 4) * 8], info);
792 break;
793 case 'N':
794 fputs_filtered (compare_cond_64_names[GET_FIELD (insn, 16, 18)
795 + GET_FIELD (insn, 2, 2) * 8], info);
796 break;
797 case 'Q':
798 fputs_filtered (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
799 info);
800 break;
801 case '@':
802 fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18)
803 + GET_FIELD (insn, 4, 4) * 8], info);
804 break;
805 case 's':
806 (*info->fprintf_func) (info->stream, "%s ",
807 compare_cond_names[GET_COND (insn)]);
808 break;
809 case 'S':
810 (*info->fprintf_func) (info->stream, "%s ",
811 compare_cond_64_names[GET_COND (insn)]);
812 break;
813 case 'a':
814 (*info->fprintf_func) (info->stream, "%s ",
815 add_cond_names[GET_COND (insn)]);
816 break;
817 case 'A':
818 (*info->fprintf_func) (info->stream, "%s ",
819 add_cond_64_names[GET_COND (insn)]);
820 break;
821 case 'd':
822 (*info->fprintf_func) (info->stream, "%s",
823 add_cond_names[GET_FIELD (insn, 16, 18)]);
824 break;
825
826 case 'W':
827 (*info->fprintf_func)
828 (info->stream, "%s",
829 wide_add_cond_names[GET_FIELD (insn, 16, 18) +
830 GET_FIELD (insn, 4, 4) * 8]);
831 break;
832
833 case 'l':
834 (*info->fprintf_func) (info->stream, "%s ",
835 logical_cond_names[GET_COND (insn)]);
836 break;
837 case 'L':
838 (*info->fprintf_func) (info->stream, "%s ",
839 logical_cond_64_names[GET_COND (insn)]);
840 break;
841 case 'u':
842 (*info->fprintf_func) (info->stream, "%s ",
843 unit_cond_names[GET_COND (insn)]);
844 break;
845 case 'U':
846 (*info->fprintf_func) (info->stream, "%s ",
847 unit_cond_64_names[GET_COND (insn)]);
848 break;
849 case 'y':
850 case 'x':
851 case 'b':
852 (*info->fprintf_func)
853 (info->stream, "%s",
854 shift_cond_names[GET_FIELD (insn, 16, 18)]);
855
856 /* If the next character in args is 'n', it will handle
857 putting out the space. */
858 if (s[1] != 'n')
859 (*info->fprintf_func) (info->stream, " ");
860 break;
861 case 'X':
862 (*info->fprintf_func) (info->stream, "%s ",
863 shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
864 break;
865 case 'B':
866 (*info->fprintf_func)
867 (info->stream, "%s",
868 bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
869
870 /* If the next character in args is 'n', it will handle
871 putting out the space. */
872 if (s[1] != 'n')
873 (*info->fprintf_func) (info->stream, " ");
874 break;
875 }
876 break;
877 }
878
879 case 'V':
880 fput_const (extract_5_store (insn), info);
881 break;
882 case 'r':
883 fput_const (extract_5r_store (insn), info);
884 break;
885 case 'R':
886 fput_const (extract_5R_store (insn), info);
887 break;
888 case 'U':
889 fput_const (extract_10U_store (insn), info);
890 break;
891 case 'B':
892 case 'Q':
893 fput_const (extract_5Q_store (insn), info);
894 break;
895 case 'i':
896 fput_const (extract_11 (insn), info);
897 break;
898 case 'j':
899 fput_const (extract_14 (insn), info);
900 break;
901 case 'k':
902 fput_const (extract_21 (insn), info);
903 break;
904 case '<':
905 case 'l':
906 /* 16-bit long disp., PA2.0 wide only. */
907 fput_const (extract_16 (insn), info);
908 break;
909 case 'n':
910 if (insn & 0x2)
911 (*info->fprintf_func) (info->stream, ",n ");
912 else
913 (*info->fprintf_func) (info->stream, " ");
914 break;
915 case 'N':
916 if ((insn & 0x20) && s[1])
917 (*info->fprintf_func) (info->stream, ",n ");
918 else if (insn & 0x20)
919 (*info->fprintf_func) (info->stream, ",n");
920 else if (s[1])
921 (*info->fprintf_func) (info->stream, " ");
922 break;
923 case 'w':
924 (*info->print_address_func) (memaddr + 8 + extract_12 (insn),
925 info);
926 break;
927 case 'W':
928 /* 17 bit PC-relative branch. */
929 (*info->print_address_func) ((memaddr + 8
930 + extract_17 (insn)),
931 info);
932 break;
933 case 'z':
934 /* 17 bit displacement. This is an offset from a register
935 so it gets disasssembled as just a number, not any sort
936 of address. */
937 fput_const (extract_17 (insn), info);
938 break;
939
940 case 'Z':
941 /* addil %r1 implicit output. */
942 (*info->fprintf_func) (info->stream, "%%r1");
943 break;
944
945 case 'Y':
946 /* be,l %sr0,%r31 implicit output. */
947 (*info->fprintf_func) (info->stream, "%%sr0,%%r31");
948 break;
949
950 case '@':
951 (*info->fprintf_func) (info->stream, "0");
952 break;
953
954 case '.':
955 (*info->fprintf_func) (info->stream, "%d",
956 GET_FIELD (insn, 24, 25));
957 break;
958 case '*':
959 (*info->fprintf_func) (info->stream, "%d",
960 GET_FIELD (insn, 22, 25));
961 break;
962 case '!':
963 (*info->fprintf_func) (info->stream, "%%sar");
964 break;
965 case 'p':
966 (*info->fprintf_func) (info->stream, "%d",
967 31 - GET_FIELD (insn, 22, 26));
968 break;
969 case '~':
970 {
971 int num;
972 num = GET_FIELD (insn, 20, 20) << 5;
973 num |= GET_FIELD (insn, 22, 26);
974 (*info->fprintf_func) (info->stream, "%d", 63 - num);
975 break;
976 }
977 case 'P':
978 (*info->fprintf_func) (info->stream, "%d",
979 GET_FIELD (insn, 22, 26));
980 break;
981 case 'q':
982 {
983 int num;
984 num = GET_FIELD (insn, 20, 20) << 5;
985 num |= GET_FIELD (insn, 22, 26);
986 (*info->fprintf_func) (info->stream, "%d", num);
987 break;
988 }
989 case 'T':
990 (*info->fprintf_func) (info->stream, "%d",
991 32 - GET_FIELD (insn, 27, 31));
992 break;
993 case '%':
994 {
995 int num;
996 num = (GET_FIELD (insn, 23, 23) + 1) * 32;
997 num -= GET_FIELD (insn, 27, 31);
998 (*info->fprintf_func) (info->stream, "%d", num);
999 break;
1000 }
1001 case '|':
1002 {
1003 int num;
1004 num = (GET_FIELD (insn, 19, 19) + 1) * 32;
1005 num -= GET_FIELD (insn, 27, 31);
1006 (*info->fprintf_func) (info->stream, "%d", num);
1007 break;
1008 }
1009 case '$':
1010 fput_const (GET_FIELD (insn, 20, 28), info);
1011 break;
1012 case 'A':
1013 fput_const (GET_FIELD (insn, 6, 18), info);
1014 break;
1015 case 'D':
1016 fput_const (GET_FIELD (insn, 6, 31), info);
1017 break;
1018 case 'v':
1019 (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
1020 break;
1021 case 'O':
1022 fput_const ((GET_FIELD (insn, 6,20) << 5 |
1023 GET_FIELD (insn, 27, 31)), info);
1024 break;
1025 case 'o':
1026 fput_const (GET_FIELD (insn, 6, 20), info);
1027 break;
1028 case '2':
1029 fput_const ((GET_FIELD (insn, 6, 22) << 5 |
1030 GET_FIELD (insn, 27, 31)), info);
1031 break;
1032 case '1':
1033 fput_const ((GET_FIELD (insn, 11, 20) << 5 |
1034 GET_FIELD (insn, 27, 31)), info);
1035 break;
1036 case '0':
1037 fput_const ((GET_FIELD (insn, 16, 20) << 5 |
1038 GET_FIELD (insn, 27, 31)), info);
1039 break;
1040 case 'u':
1041 (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
1042 break;
1043 case 'F':
1044 /* if no destination completer and not before a completer
1045 for fcmp, need a space here */
1046 if (s[1] == 'G' || s[1] == '?')
1047 fputs_filtered (float_format_names[GET_FIELD (insn, 19, 20)],
1048 info);
1049 else
1050 (*info->fprintf_func) (info->stream, "%s ",
1051 float_format_names[GET_FIELD
1052 (insn, 19, 20)]);
1053 break;
1054 case 'G':
1055 (*info->fprintf_func) (info->stream, "%s ",
1056 float_format_names[GET_FIELD (insn,
1057 17, 18)]);
1058 break;
1059 case 'H':
1060 if (GET_FIELD (insn, 26, 26) == 1)
1061 (*info->fprintf_func) (info->stream, "%s ",
1062 float_format_names[0]);
1063 else
1064 (*info->fprintf_func) (info->stream, "%s ",
1065 float_format_names[1]);
1066 break;
1067 case 'I':
1068 /* if no destination completer and not before a completer
1069 for fcmp, need a space here */
1070 if (s[1] == '?')
1071 fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)],
1072 info);
1073 else
1074 (*info->fprintf_func) (info->stream, "%s ",
1075 float_format_names[GET_FIELD
1076 (insn, 20, 20)]);
1077 break;
1078
1079 case 'J':
1080 fput_const (extract_14 (insn), info);
1081 break;
1082
1083 case '#':
1084 {
1085 int sign = GET_FIELD (insn, 31, 31);
1086 int imm10 = GET_FIELD (insn, 18, 27);
1087 int disp;
1088
1089 if (sign)
1090 disp = (-1 << 10) | imm10;
1091 else
1092 disp = imm10;
1093
1094 disp <<= 3;
1095 fput_const (disp, info);
1096 break;
1097 }
1098 case 'K':
1099 case 'd':
1100 {
1101 int sign = GET_FIELD (insn, 31, 31);
1102 int imm11 = GET_FIELD (insn, 18, 28);
1103 int disp;
1104
1105 if (sign)
1106 disp = (-1 << 11) | imm11;
1107 else
1108 disp = imm11;
1109
1110 disp <<= 2;
1111 fput_const (disp, info);
1112 break;
1113 }
1114
1115 case '>':
1116 case 'y':
1117 {
1118 /* 16-bit long disp., PA2.0 wide only. */
1119 int disp = extract_16 (insn);
1120 disp &= ~3;
1121 fput_const (disp, info);
1122 break;
1123 }
1124
1125 case '&':
1126 {
1127 /* 16-bit long disp., PA2.0 wide only. */
1128 int disp = extract_16 (insn);
1129 disp &= ~7;
1130 fput_const (disp, info);
1131 break;
1132 }
1133
1134 /* ?!? FIXME */
1135 case '_':
1136 case '{':
1137 fputs_filtered ("Disassembler botch.\n", info);
1138 break;
1139
1140 case 'm':
1141 {
1142 int y = GET_FIELD (insn, 16, 18);
1143
1144 if (y != 1)
1145 fput_const ((y ^ 1) - 1, info);
1146 }
1147 break;
1148
1149 case 'h':
1150 {
1151 int cbit;
1152
1153 cbit = GET_FIELD (insn, 16, 18);
1154
1155 if (cbit > 0)
1156 (*info->fprintf_func) (info->stream, ",%d", cbit - 1);
1157 break;
1158 }
1159
1160 case '=':
1161 {
1162 int cond = GET_FIELD (insn, 27, 31);
1163
1164 if (cond == 0)
1165 fputs_filtered (" ", info);
1166 else if (cond == 1)
1167 fputs_filtered ("acc ", info);
1168 else if (cond == 2)
1169 fputs_filtered ("rej ", info);
1170 else if (cond == 5)
1171 fputs_filtered ("acc8 ", info);
1172 else if (cond == 6)
1173 fputs_filtered ("rej8 ", info);
1174 else if (cond == 9)
1175 fputs_filtered ("acc6 ", info);
1176 else if (cond == 13)
1177 fputs_filtered ("acc4 ", info);
1178 else if (cond == 17)
1179 fputs_filtered ("acc2 ", info);
1180 break;
1181 }
1182
1183 case 'X':
1184 (*info->print_address_func) ((memaddr + 8
1185 + extract_22 (insn)),
1186 info);
1187 break;
1188 case 'L':
1189 fputs_filtered (",%r2", info);
1190 break;
1191 default:
1192 (*info->fprintf_func) (info->stream, "%c", *s);
1193 break;
1194 }
1195 }
1196 return sizeof(insn);
1197 }
1198 }
1199 (*info->fprintf_func) (info->stream, "#%8x", insn);
1200 return sizeof(insn);
1201 }
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