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2000-05-02 H.J. Lu <hjl@gnu.org>
[binutils.git] / opcodes / hppa-dis.c
blob23c926ae771f93e393a9149a8e0291c67cf27aa5
1 /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c.
2 Copyright 1989, 1990, 1992, 1993 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 program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
20
21 #include "sysdep.h"
22 #include "dis-asm.h"
23 #include "libhppa.h"
24 #include "opcode/hppa.h"
25
26 /* Integer register names, indexed by the numbers which appear in the
27 opcodes. */
28 static const char *const reg_names[] =
29 {"flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9",
30 "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19",
31 "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1",
32 "sp", "r31"};
33
34 /* Floating point register names, indexed by the numbers which appear in the
35 opcodes. */
36 static const char *const fp_reg_names[] =
37 {"fpsr", "fpe2", "fpe4", "fpe6",
38 "fr4", "fr5", "fr6", "fr7", "fr8",
39 "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
40 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
41 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31"};
42
43 typedef unsigned int CORE_ADDR;
44
45 /* Get at various relevent fields of an instruction word. */
46
47 #define MASK_5 0x1f
48 #define MASK_10 0x3ff
49 #define MASK_11 0x7ff
50 #define MASK_14 0x3fff
51 #define MASK_16 0xffff
52 #define MASK_21 0x1fffff
53
54 /* This macro gets bit fields using HP's numbering (MSB = 0) */
55
56 #define GET_FIELD(X, FROM, TO) \
57 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
58
59 /* Some of these have been converted to 2-d arrays because they
60 consume less storage this way. If the maintenance becomes a
61 problem, convert them back to const 1-d pointer arrays. */
62 static const char *const control_reg[] = {
63 "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
64 "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4",
65 "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr",
66 "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3",
67 "tr4", "tr5", "tr6", "tr7"
68 };
69
70 static const char *const compare_cond_names[] = {
71 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od",
72 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev"
73 };
74 static const char *const compare_cond_64_names[] = {
75 "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od",
76 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev"
77 };
78 static const char *const cmpib_cond_64_names[] = {
79 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>"
80 };
81 static const char *const add_cond_names[] = {
82 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od",
83 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev"
84 };
85 static const char *const add_cond_64_names[] = {
86 "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od",
87 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev"
88 };
89 static const char *const wide_add_cond_names[] = {
90 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=",
91 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>"
92 };
93 static const char *const logical_cond_names[] = {
94 "", ",=", ",<", ",<=", 0, 0, 0, ",od",
95 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
96 static const char *const logical_cond_64_names[] = {
97 "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od",
98 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"};
99 static const char *const unit_cond_names[] = {
100 "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc",
101 ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc"
102 };
103 static const char *const unit_cond_64_names[] = {
104 "", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc",
105 ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc"
106 };
107 static const char *const shift_cond_names[] = {
108 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
109 };
110 static const char *const shift_cond_64_names[] = {
111 "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev"
112 };
113 static const char *const bb_cond_64_names[] = {
114 ",*<", ",*>="
115 };
116 static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"};
117 static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
118 static const char *const short_bytes_compl_names[] = {
119 "", ",b,m", ",e", ",e,m"
120 };
121 static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
122 static const char *const float_comp_names[] =
123 {
124 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
125 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
126 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
127 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
128 };
129 static const char *const signed_unsigned_names[] = {",u", ",s"};
130 static const char *const mix_half_names[] = {",l", ",r"};
131 static const char *const saturation_names[] = {",us", ",ss", 0, ""};
132 static const char *const read_write_names[] = {",r", ",w"};
133 static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
134
135 /* For a bunch of different instructions form an index into a
136 completer name table. */
137 #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
138 GET_FIELD (insn, 18, 18) << 1)
139
140 #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \
141 (GET_FIELD ((insn), 19, 19) ? 8 : 0))
142
143 /* Utility function to print registers. Put these first, so gcc's function
144 inlining can do its stuff. */
145
146 #define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR)
147
148 static void
149 fput_reg (reg, info)
150 unsigned reg;
151 disassemble_info *info;
152 {
153 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
154 }
155
156 static void
157 fput_fp_reg (reg, info)
158 unsigned reg;
159 disassemble_info *info;
160 {
161 (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0");
162 }
163
164 static void
165 fput_fp_reg_r (reg, info)
166 unsigned reg;
167 disassemble_info *info;
168 {
169 /* Special case floating point exception registers. */
170 if (reg < 4)
171 (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1);
172 else
173 (*info->fprintf_func) (info->stream, "%sR", reg ? fp_reg_names[reg]
174 : "fr0");
175 }
176
177 static void
178 fput_creg (reg, info)
179 unsigned reg;
180 disassemble_info *info;
181 {
182 (*info->fprintf_func) (info->stream, control_reg[reg]);
183 }
184
185 /* Print constants with sign. */
186
187 static void
188 fput_const (num, info)
189 unsigned num;
190 disassemble_info *info;
191 {
192 if ((int)num < 0)
193 (*info->fprintf_func) (info->stream, "-%x", -(int)num);
194 else
195 (*info->fprintf_func) (info->stream, "%x", num);
196 }
197
198 /* Routines to extract various sized constants out of hppa
199 instructions. */
200
201 /* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */
202 static int
203 extract_3 (word)
204 unsigned word;
205 {
206 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
207 }
208
209 static int
210 extract_5_load (word)
211 unsigned word;
212 {
213 return low_sign_extend (word >> 16 & MASK_5, 5);
214 }
215
216 /* Extract the immediate field from a st{bhw}s instruction. */
217 static int
218 extract_5_store (word)
219 unsigned word;
220 {
221 return low_sign_extend (word & MASK_5, 5);
222 }
223
224 /* Extract the immediate field from a break instruction. */
225 static unsigned
226 extract_5r_store (word)
227 unsigned word;
228 {
229 return (word & MASK_5);
230 }
231
232 /* Extract the immediate field from a {sr}sm instruction. */
233 static unsigned
234 extract_5R_store (word)
235 unsigned word;
236 {
237 return (word >> 16 & MASK_5);
238 }
239
240 /* Extract the 10 bit immediate field from a {sr}sm instruction. */
241 static unsigned
242 extract_10U_store (word)
243 unsigned word;
244 {
245 return (word >> 16 & MASK_10);
246 }
247
248 /* Extract the immediate field from a bb instruction. */
249 static unsigned
250 extract_5Q_store (word)
251 unsigned word;
252 {
253 return (word >> 21 & MASK_5);
254 }
255
256 /* Extract an 11 bit immediate field. */
257 static int
258 extract_11 (word)
259 unsigned word;
260 {
261 return low_sign_extend (word & MASK_11, 11);
262 }
263
264 /* Extract a 14 bit immediate field. */
265 static int
266 extract_14 (word)
267 unsigned word;
268 {
269 return low_sign_extend (word & MASK_14, 14);
270 }
271
272 /* Extract a 16 bit immediate field (PA2.0 wide only). */
273 static int
274 extract_16 (word)
275 unsigned word;
276 {
277 int m15, m0, m1;
278 m0 = GET_BIT (word, 16);
279 m1 = GET_BIT (word, 17);
280 m15 = GET_BIT (word, 31);
281 word = (word >> 1) & 0x1fff;
282 word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13);
283 return sign_extend (word, 16);
284 }
285
286 /* Extract a 21 bit constant. */
287
288 static int
289 extract_21 (word)
290 unsigned word;
291 {
292 int val;
293
294 word &= MASK_21;
295 word <<= 11;
296 val = GET_FIELD (word, 20, 20);
297 val <<= 11;
298 val |= GET_FIELD (word, 9, 19);
299 val <<= 2;
300 val |= GET_FIELD (word, 5, 6);
301 val <<= 5;
302 val |= GET_FIELD (word, 0, 4);
303 val <<= 2;
304 val |= GET_FIELD (word, 7, 8);
305 return sign_extend (val, 21) << 11;
306 }
307
308 /* Extract a 12 bit constant from branch instructions. */
309
310 static int
311 extract_12 (word)
312 unsigned word;
313 {
314 return sign_extend (GET_FIELD (word, 19, 28) |
315 GET_FIELD (word, 29, 29) << 10 |
316 (word & 0x1) << 11, 12) << 2;
317 }
318
319 /* Extract a 17 bit constant from branch instructions, returning the
320 19 bit signed value. */
321
322 static int
323 extract_17 (word)
324 unsigned word;
325 {
326 return sign_extend (GET_FIELD (word, 19, 28) |
327 GET_FIELD (word, 29, 29) << 10 |
328 GET_FIELD (word, 11, 15) << 11 |
329 (word & 0x1) << 16, 17) << 2;
330 }
331
332 static int
333 extract_22 (word)
334 unsigned word;
335 {
336 return sign_extend (GET_FIELD (word, 19, 28) |
337 GET_FIELD (word, 29, 29) << 10 |
338 GET_FIELD (word, 11, 15) << 11 |
339 GET_FIELD (word, 6, 10) << 16 |
340 (word & 0x1) << 21, 22) << 2;
341 }
342
343 /* Print one instruction. */
344 int
345 print_insn_hppa (memaddr, info)
346 bfd_vma memaddr;
347 disassemble_info *info;
348 {
349 bfd_byte buffer[4];
350 unsigned int insn, i;
351
352 {
353 int status =
354 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
355 if (status != 0)
356 {
357 (*info->memory_error_func) (status, memaddr, info);
358 return -1;
359 }
360 }
361
362 insn = bfd_getb32 (buffer);
363
364 for (i = 0; i < NUMOPCODES; ++i)
365 {
366 const struct pa_opcode *opcode = &pa_opcodes[i];
367 if ((insn & opcode->mask) == opcode->match)
368 {
369 register const char *s;
370 #ifndef BFD64
371 if (opcode->arch == pa20w)
372 continue;
373 #endif
374 (*info->fprintf_func) (info->stream, "%s", opcode->name);
375
376 if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0]))
377 (*info->fprintf_func) (info->stream, " ");
378 for (s = opcode->args; *s != '\0'; ++s)
379 {
380 switch (*s)
381 {
382 case 'x':
383 fput_reg (GET_FIELD (insn, 11, 15), info);
384 break;
385 case 'a':
386 case 'b':
387 fput_reg (GET_FIELD (insn, 6, 10), info);
388 break;
389 case '^':
390 fput_creg (GET_FIELD (insn, 6, 10), info);
391 break;
392 case 't':
393 fput_reg (GET_FIELD (insn, 27, 31), info);
394 break;
395
396 /* Handle floating point registers. */
397 case 'f':
398 switch (*++s)
399 {
400 case 't':
401 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
402 break;
403 case 'T':
404 if (GET_FIELD (insn, 25, 25))
405 fput_fp_reg_r (GET_FIELD (insn, 27, 31), info);
406 else
407 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
408 break;
409 case 'a':
410 if (GET_FIELD (insn, 25, 25))
411 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
412 else
413 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
414 break;
415
416 /* 'fA' will not generate a space before the regsiter
417 name. Normally that is fine. Except that it
418 causes problems with xmpyu which has no FP format
419 completer. */
420 case 'X':
421 fputs_filtered (" ", info);
422
423 /* FALLTHRU */
424
425 case 'A':
426 if (GET_FIELD (insn, 24, 24))
427 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
428 else
429 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
430
431 break;
432 case 'b':
433 if (GET_FIELD (insn, 25, 25))
434 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
435 else
436 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
437 break;
438 case 'B':
439 if (GET_FIELD (insn, 19, 19))
440 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
441 else
442 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
443 break;
444 case 'C':
445 {
446 int reg = GET_FIELD (insn, 21, 22);
447 reg |= GET_FIELD (insn, 16, 18) << 2;
448 if (GET_FIELD (insn, 23, 23) != 0)
449 fput_fp_reg_r (reg, info);
450 else
451 fput_fp_reg (reg, info);
452 break;
453 }
454 case 'i':
455 {
456 int reg = GET_FIELD (insn, 6, 10);
457
458 reg |= (GET_FIELD (insn, 26, 26) << 4);
459 fput_fp_reg (reg, info);
460 break;
461 }
462 case 'j':
463 {
464 int reg = GET_FIELD (insn, 11, 15);
465
466 reg |= (GET_FIELD (insn, 26, 26) << 4);
467 fput_fp_reg (reg, info);
468 break;
469 }
470 case 'k':
471 {
472 int reg = GET_FIELD (insn, 27, 31);
473
474 reg |= (GET_FIELD (insn, 26, 26) << 4);
475 fput_fp_reg (reg, info);
476 break;
477 }
478 case 'l':
479 {
480 int reg = GET_FIELD (insn, 21, 25);
481
482 reg |= (GET_FIELD (insn, 26, 26) << 4);
483 fput_fp_reg (reg, info);
484 break;
485 }
486 case 'm':
487 {
488 int reg = GET_FIELD (insn, 16, 20);
489
490 reg |= (GET_FIELD (insn, 26, 26) << 4);
491 fput_fp_reg (reg, info);
492 break;
493 }
494
495 /* 'fe' will not generate a space before the register
496 name. Normally that is fine. Except that it
497 causes problems with fstw fe,y(b) which has no FP
498 format completer. */
499 case 'E':
500 fputs_filtered (" ", info);
501
502 /* FALLTHRU */
503
504 case 'e':
505 if (GET_FIELD (insn, 30, 30))
506 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
507 else
508 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
509 break;
510 case 'x':
511 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
512 break;
513 }
514 break;
515
516 case '5':
517 fput_const (extract_5_load (insn), info);
518 break;
519 case 's':
520 (*info->fprintf_func) (info->stream,
521 "sr%d", GET_FIELD (insn, 16, 17));
522 break;
523
524 case 'S':
525 (*info->fprintf_func) (info->stream, "sr%d", extract_3 (insn));
526 break;
527
528 /* Handle completers. */
529 case 'c':
530 switch (*++s)
531 {
532 case 'x':
533 (*info->fprintf_func) (info->stream, "%s ",
534 index_compl_names[GET_COMPL (insn)]);
535 break;
536 case 'm':
537 (*info->fprintf_func) (info->stream, "%s ",
538 short_ldst_compl_names[GET_COMPL (insn)]);
539 break;
540 case 's':
541 (*info->fprintf_func) (info->stream, "%s ",
542 short_bytes_compl_names[GET_COMPL (insn)]);
543 break;
544 case 'c':
545 case 'C':
546 switch (GET_FIELD (insn, 20, 21))
547 {
548 case 1:
549 (*info->fprintf_func) (info->stream, ",bc ");
550 break;
551 case 2:
552 (*info->fprintf_func) (info->stream, ",sl ");
553 break;
554 default:
555 (*info->fprintf_func) (info->stream, " ");
556 }
557 break;
558 case 'd':
559 switch (GET_FIELD (insn, 20, 21))
560 {
561 case 1:
562 (*info->fprintf_func) (info->stream, ",co ");
563 break;
564 default:
565 (*info->fprintf_func) (info->stream, " ");
566 }
567 break;
568 case 'o':
569 (*info->fprintf_func) (info->stream, ",o");
570 break;
571 case 'g':
572 (*info->fprintf_func) (info->stream, ",gate");
573 break;
574 case 'p':
575 (*info->fprintf_func) (info->stream, ",l,push");
576 break;
577 case 'P':
578 (*info->fprintf_func) (info->stream, ",pop");
579 break;
580 case 'l':
581 case 'L':
582 (*info->fprintf_func) (info->stream, ",l");
583 break;
584 case 'w':
585 (*info->fprintf_func) (info->stream, "%s ",
586 read_write_names[GET_FIELD (insn, 25, 25)]);
587 break;
588 case 'W':
589 (*info->fprintf_func) (info->stream, ",w");
590 break;
591 case 'r':
592 if (GET_FIELD (insn, 23, 26) == 5)
593 (*info->fprintf_func) (info->stream, ",r");
594 break;
595 case 'Z':
596 if (GET_FIELD (insn, 26, 26))
597 (*info->fprintf_func) (info->stream, ",m ");
598 else
599 (*info->fprintf_func) (info->stream, " ");
600 break;
601 case 'i':
602 if (GET_FIELD (insn, 25, 25))
603 (*info->fprintf_func) (info->stream, ",i");
604 break;
605 case 'z':
606 if (!GET_FIELD (insn, 21, 21))
607 (*info->fprintf_func) (info->stream, ",z");
608 break;
609 case 'a':
610 (*info->fprintf_func)
611 (info->stream, "%s", add_compl_names[GET_FIELD
612 (insn, 20, 21)]);
613 break;
614 case 'Y':
615 (*info->fprintf_func)
616 (info->stream, ",dc%s", add_compl_names[GET_FIELD
617 (insn, 20, 21)]);
618 break;
619 case 'y':
620 (*info->fprintf_func)
621 (info->stream, ",c%s", add_compl_names[GET_FIELD
622 (insn, 20, 21)]);
623 break;
624 case 'v':
625 if (GET_FIELD (insn, 20, 20))
626 (*info->fprintf_func) (info->stream, ",tsv");
627 break;
628 case 't':
629 (*info->fprintf_func) (info->stream, ",tc");
630 if (GET_FIELD (insn, 20, 20))
631 (*info->fprintf_func) (info->stream, ",tsv");
632 break;
633 case 'B':
634 (*info->fprintf_func) (info->stream, ",db");
635 if (GET_FIELD (insn, 20, 20))
636 (*info->fprintf_func) (info->stream, ",tsv");
637 break;
638 case 'b':
639 (*info->fprintf_func) (info->stream, ",b");
640 if (GET_FIELD (insn, 20, 20))
641 (*info->fprintf_func) (info->stream, ",tsv");
642 break;
643 case 'T':
644 if (GET_FIELD (insn, 25, 25))
645 (*info->fprintf_func) (info->stream, ",tc");
646 break;
647 case 'S':
648 /* EXTRD/W has a following condition. */
649 if (*(s + 1) == '?')
650 (*info->fprintf_func)
651 (info->stream, "%s", signed_unsigned_names[GET_FIELD
652 (insn, 21, 21)]);
653 else
654 (*info->fprintf_func)
655 (info->stream, "%s ", signed_unsigned_names[GET_FIELD
656 (insn, 21, 21)]);
657 break;
658 case 'h':
659 (*info->fprintf_func)
660 (info->stream, "%s", mix_half_names[GET_FIELD
661 (insn, 17, 17)]);
662 break;
663 case 'H':
664 (*info->fprintf_func)
665 (info->stream, "%s", saturation_names[GET_FIELD
666 (insn, 24, 25)]);
667 break;
668 case '*':
669 (*info->fprintf_func)
670 (info->stream, ",%d%d%d%d ",
671 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
672 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
673 break;
674
675 case 'q':
676 {
677 int m, a;
678
679 m = GET_FIELD (insn, 28, 28);
680 a = GET_FIELD (insn, 29, 29);
681
682 if (m && !a)
683 fputs_filtered (",ma ", info);
684 else if (m && a)
685 fputs_filtered (",mb ", info);
686 else
687 fputs_filtered (" ", info);
688 break;
689 }
690
691 case 'J':
692 {
693 int opcode = GET_FIELD (insn, 0, 5);
694
695 if (opcode == 0x16 || opcode == 0x1e)
696 {
697 if (GET_FIELD (insn, 29, 29) == 0)
698 fputs_filtered (",ma ", info);
699 else
700 fputs_filtered (",mb ", info);
701 }
702 else
703 fputs_filtered (" ", info);
704 break;
705 }
706
707 case 'e':
708 {
709 int opcode = GET_FIELD (insn, 0, 5);
710
711 if (opcode == 0x13 || opcode == 0x1b)
712 {
713 if (GET_FIELD (insn, 18, 18) == 1)
714 fputs_filtered (",mb ", info);
715 else
716 fputs_filtered (",ma ", info);
717 }
718 else if (opcode == 0x17 || opcode == 0x1f)
719 {
720 if (GET_FIELD (insn, 31, 31) == 1)
721 fputs_filtered (",ma ", info);
722 else
723 fputs_filtered (",mb ", info);
724 }
725 else
726 fputs_filtered (" ", info);
727
728 break;
729 }
730 }
731 break;
732
733 /* Handle conditions. */
734 case '?':
735 {
736 s++;
737 switch (*s)
738 {
739 case 'f':
740 (*info->fprintf_func) (info->stream, "%s ",
741 float_comp_names[GET_FIELD
742 (insn, 27, 31)]);
743 break;
744
745 /* these four conditions are for the set of instructions
746 which distinguish true/false conditions by opcode
747 rather than by the 'f' bit (sigh): comb, comib,
748 addb, addib */
749 case 't':
750 fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)],
751 info);
752 break;
753 case 'n':
754 fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)
755 + GET_FIELD (insn, 4, 4) * 8], info);
756 break;
757 case 'N':
758 fputs_filtered (compare_cond_64_names[GET_FIELD (insn, 16, 18)
759 + GET_FIELD (insn, 2, 2) * 8], info);
760 break;
761 case 'Q':
762 fputs_filtered (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
763 info);
764 break;
765 case '@':
766 fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18)
767 + GET_FIELD (insn, 4, 4) * 8], info);
768 break;
769 case 's':
770 (*info->fprintf_func) (info->stream, "%s ",
771 compare_cond_names[GET_COND (insn)]);
772 break;
773 case 'S':
774 (*info->fprintf_func) (info->stream, "%s ",
775 compare_cond_64_names[GET_COND (insn)]);
776 break;
777 case 'a':
778 (*info->fprintf_func) (info->stream, "%s ",
779 add_cond_names[GET_COND (insn)]);
780 break;
781 case 'A':
782 (*info->fprintf_func) (info->stream, "%s ",
783 add_cond_64_names[GET_COND (insn)]);
784 break;
785 case 'd':
786 (*info->fprintf_func) (info->stream, "%s",
787 add_cond_names[GET_FIELD (insn, 16, 18)]);
788 break;
789
790 case 'W':
791 (*info->fprintf_func)
792 (info->stream, "%s",
793 wide_add_cond_names[GET_FIELD (insn, 16, 18) +
794 GET_FIELD (insn, 4, 4) * 8]);
795 break;
796
797 case 'l':
798 (*info->fprintf_func) (info->stream, "%s ",
799 logical_cond_names[GET_COND (insn)]);
800 break;
801 case 'L':
802 (*info->fprintf_func) (info->stream, "%s ",
803 logical_cond_64_names[GET_COND (insn)]);
804 break;
805 case 'u':
806 (*info->fprintf_func) (info->stream, "%s ",
807 unit_cond_names[GET_COND (insn)]);
808 break;
809 case 'U':
810 (*info->fprintf_func) (info->stream, "%s ",
811 unit_cond_64_names[GET_COND (insn)]);
812 break;
813 case 'y':
814 case 'x':
815 case 'b':
816 (*info->fprintf_func)
817 (info->stream, "%s",
818 shift_cond_names[GET_FIELD (insn, 16, 18)]);
819
820 /* If the next character in args is 'n', it will handle
821 putting out the space. */
822 if (s[1] != 'n')
823 (*info->fprintf_func) (info->stream, " ");
824 break;
825 case 'X':
826 (*info->fprintf_func) (info->stream, "%s ",
827 shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
828 break;
829 case 'B':
830 (*info->fprintf_func)
831 (info->stream, "%s",
832 bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
833
834 /* If the next character in args is 'n', it will handle
835 putting out the space. */
836 if (s[1] != 'n')
837 (*info->fprintf_func) (info->stream, " ");
838 break;
839 }
840 break;
841 }
842
843 case 'V':
844 fput_const (extract_5_store (insn), info);
845 break;
846 case 'r':
847 fput_const (extract_5r_store (insn), info);
848 break;
849 case 'R':
850 fput_const (extract_5R_store (insn), info);
851 break;
852 case 'U':
853 fput_const (extract_10U_store (insn), info);
854 break;
855 case 'B':
856 case 'Q':
857 fput_const (extract_5Q_store (insn), info);
858 break;
859 case 'i':
860 fput_const (extract_11 (insn), info);
861 break;
862 case 'j':
863 fput_const (extract_14 (insn), info);
864 break;
865 case 'k':
866 fput_const (extract_21 (insn), info);
867 break;
868 case 'l':
869 /* 16-bit long disp., PA2.0 wide only. */
870 fput_const (extract_16 (insn), info);
871 break;
872 case 'n':
873 if (insn & 0x2)
874 (*info->fprintf_func) (info->stream, ",n ");
875 else
876 (*info->fprintf_func) (info->stream, " ");
877 break;
878 case 'N':
879 if ((insn & 0x20) && s[1])
880 (*info->fprintf_func) (info->stream, ",n ");
881 else if (insn & 0x20)
882 (*info->fprintf_func) (info->stream, ",n");
883 else if (s[1])
884 (*info->fprintf_func) (info->stream, " ");
885 break;
886 case 'w':
887 (*info->print_address_func) (memaddr + 8 + extract_12 (insn),
888 info);
889 break;
890 case 'W':
891 /* 17 bit PC-relative branch. */
892 (*info->print_address_func) ((memaddr + 8
893 + extract_17 (insn)),
894 info);
895 break;
896 case 'z':
897 /* 17 bit displacement. This is an offset from a register
898 so it gets disasssembled as just a number, not any sort
899 of address. */
900 fput_const (extract_17 (insn), info);
901 break;
902
903 case 'Z':
904 /* addil %r1 implicit output. */
905 (*info->fprintf_func) (info->stream, "%%r1");
906 break;
907
908 case 'Y':
909 /* be,l %sr0,%r31 implicit output. */
910 (*info->fprintf_func) (info->stream, "%%sr0,%%r31");
911 break;
912
913 case '@':
914 (*info->fprintf_func) (info->stream, "0");
915 break;
916
917 case '.':
918 (*info->fprintf_func) (info->stream, "%d",
919 GET_FIELD (insn, 24, 25));
920 break;
921 case '*':
922 (*info->fprintf_func) (info->stream, "%d",
923 GET_FIELD (insn, 22, 25));
924 break;
925 case '!':
926 (*info->fprintf_func) (info->stream, "%%sar");
927 break;
928 case 'p':
929 (*info->fprintf_func) (info->stream, "%d",
930 31 - GET_FIELD (insn, 22, 26));
931 break;
932 case '~':
933 {
934 int num;
935 num = GET_FIELD (insn, 20, 20) << 5;
936 num |= GET_FIELD (insn, 22, 26);
937 (*info->fprintf_func) (info->stream, "%d", 63 - num);
938 break;
939 }
940 case 'P':
941 (*info->fprintf_func) (info->stream, "%d",
942 GET_FIELD (insn, 22, 26));
943 break;
944 case 'q':
945 {
946 int num;
947 num = GET_FIELD (insn, 20, 20) << 5;
948 num |= GET_FIELD (insn, 22, 26);
949 (*info->fprintf_func) (info->stream, "%d", num);
950 break;
951 }
952 case 'T':
953 (*info->fprintf_func) (info->stream, "%d",
954 32 - GET_FIELD (insn, 27, 31));
955 break;
956 case '%':
957 {
958 int num;
959 num = (GET_FIELD (insn, 23, 23) + 1) * 32;
960 num -= GET_FIELD (insn, 27, 31);
961 (*info->fprintf_func) (info->stream, "%d", num);
962 break;
963 }
964 case '|':
965 {
966 int num;
967 num = (GET_FIELD (insn, 19, 19) + 1) * 32;
968 num -= GET_FIELD (insn, 27, 31);
969 (*info->fprintf_func) (info->stream, "%d", num);
970 break;
971 }
972 case '$':
973 fput_const (GET_FIELD (insn, 20, 28), info);
974 break;
975 case 'A':
976 fput_const (GET_FIELD (insn, 6, 18), info);
977 break;
978 case 'D':
979 fput_const (GET_FIELD (insn, 6, 31), info);
980 break;
981 case 'v':
982 (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
983 break;
984 case 'O':
985 fput_const ((GET_FIELD (insn, 6,20) << 5 |
986 GET_FIELD (insn, 27, 31)), info);
987 break;
988 case 'o':
989 fput_const (GET_FIELD (insn, 6, 20), info);
990 break;
991 case '2':
992 fput_const ((GET_FIELD (insn, 6, 22) << 5 |
993 GET_FIELD (insn, 27, 31)), info);
994 break;
995 case '1':
996 fput_const ((GET_FIELD (insn, 11, 20) << 5 |
997 GET_FIELD (insn, 27, 31)), info);
998 break;
999 case '0':
1000 fput_const ((GET_FIELD (insn, 16, 20) << 5 |
1001 GET_FIELD (insn, 27, 31)), info);
1002 break;
1003 case 'u':
1004 (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
1005 break;
1006 case 'F':
1007 /* if no destination completer and not before a completer
1008 for fcmp, need a space here */
1009 if (s[1] == 'G' || s[1] == '?')
1010 fputs_filtered (float_format_names[GET_FIELD (insn, 19, 20)],
1011 info);
1012 else
1013 (*info->fprintf_func) (info->stream, "%s ",
1014 float_format_names[GET_FIELD
1015 (insn, 19, 20)]);
1016 break;
1017 case 'G':
1018 (*info->fprintf_func) (info->stream, "%s ",
1019 float_format_names[GET_FIELD (insn,
1020 17, 18)]);
1021 break;
1022 case 'H':
1023 if (GET_FIELD (insn, 26, 26) == 1)
1024 (*info->fprintf_func) (info->stream, "%s ",
1025 float_format_names[0]);
1026 else
1027 (*info->fprintf_func) (info->stream, "%s ",
1028 float_format_names[1]);
1029 break;
1030 case 'I':
1031 /* if no destination completer and not before a completer
1032 for fcmp, need a space here */
1033 if (s[1] == '?')
1034 fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)],
1035 info);
1036 else
1037 (*info->fprintf_func) (info->stream, "%s ",
1038 float_format_names[GET_FIELD
1039 (insn, 20, 20)]);
1040 break;
1041
1042 case 'J':
1043 fput_const (extract_14 (insn), info);
1044 break;
1045
1046 case '#':
1047 {
1048 int sign = GET_FIELD (insn, 31, 31);
1049 int imm10 = GET_FIELD (insn, 18, 27);
1050 int disp;
1051
1052 if (sign)
1053 disp = (-1 << 10) | imm10;
1054 else
1055 disp = imm10;
1056
1057 disp <<= 3;
1058 fput_const (disp, info);
1059 break;
1060 }
1061 case 'K':
1062 case 'd':
1063 {
1064 int sign = GET_FIELD (insn, 31, 31);
1065 int imm11 = GET_FIELD (insn, 18, 28);
1066 int disp;
1067
1068 if (sign)
1069 disp = (-1 << 11) | imm11;
1070 else
1071 disp = imm11;
1072
1073 disp <<= 2;
1074 fput_const (disp, info);
1075 break;
1076 }
1077
1078 case 'y':
1079 {
1080 /* 16-bit long disp., PA2.0 wide only. */
1081 int disp = extract_16 (insn);
1082 disp &= ~3;
1083 fput_const (disp, info);
1084 break;
1085 }
1086
1087 case '&':
1088 {
1089 /* 16-bit long disp., PA2.0 wide only. */
1090 int disp = extract_16 (insn);
1091 disp &= ~7;
1092 fput_const (disp, info);
1093 break;
1094 }
1095
1096 /* ?!? FIXME */
1097 case '_':
1098 case '{':
1099 fputs_filtered ("Disassembler botch.\n", info);
1100 break;
1101
1102 case 'm':
1103 {
1104 int y = GET_FIELD (insn, 16, 18);
1105
1106 if (y != 1)
1107 fput_const ((y ^ 1) - 1, info);
1108 }
1109 break;
1110
1111 case 'h':
1112 {
1113 int cbit;
1114
1115 cbit = GET_FIELD (insn, 16, 18);
1116
1117 if (cbit > 0)
1118 (*info->fprintf_func) (info->stream, ",%d", cbit - 1);
1119 break;
1120 }
1121
1122 case '=':
1123 {
1124 int cond = GET_FIELD (insn, 27, 31);
1125
1126 if (cond == 0)
1127 fputs_filtered (" ", info);
1128 else if (cond == 1)
1129 fputs_filtered ("acc ", info);
1130 else if (cond == 2)
1131 fputs_filtered ("rej ", info);
1132 else if (cond == 5)
1133 fputs_filtered ("acc8 ", info);
1134 else if (cond == 6)
1135 fputs_filtered ("rej8 ", info);
1136 else if (cond == 9)
1137 fputs_filtered ("acc6 ", info);
1138 else if (cond == 13)
1139 fputs_filtered ("acc4 ", info);
1140 else if (cond == 17)
1141 fputs_filtered ("acc2 ", info);
1142 break;
1143 }
1144
1145 case 'X':
1146 (*info->print_address_func) ((memaddr + 8
1147 + extract_22 (insn)),
1148 info);
1149 break;
1150 case 'L':
1151 fputs_filtered (",%r2", info);
1152 break;
1153 default:
1154 (*info->fprintf_func) (info->stream, "%c", *s);
1155 break;
1156 }
1157 }
1158 return sizeof(insn);
1159 }
1160 }
1161 (*info->fprintf_func) (info->stream, "#%8x", insn);
1162 return sizeof(insn);
1163 }
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