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opcodes/
[binutils-gdb.git] / opcodes / hppa-dis.c
bloba1df7f5c62fafff95e3eedd2767f3b0a423cfaaa
1 /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c.
2 Copyright 1989, 1990, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2003,
3 2005, 2007 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 file is part of the GNU opcodes library.
9
10 This library is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
13 any later version.
14
15 It is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
18 License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
24
25 #include "sysdep.h"
26 #include "dis-asm.h"
27 #include "libhppa.h"
28 #include "opcode/hppa.h"
29
30 /* Integer register names, indexed by the numbers which appear in the
31 opcodes. */
32 static const char *const reg_names[] =
33 {
34 "flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9",
35 "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19",
36 "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1",
37 "sp", "r31"
38 };
39
40 /* Floating point register names, indexed by the numbers which appear in the
41 opcodes. */
42 static const char *const fp_reg_names[] =
43 {
44 "fpsr", "fpe2", "fpe4", "fpe6",
45 "fr4", "fr5", "fr6", "fr7", "fr8",
46 "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15",
47 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23",
48 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31"
49 };
50
51 typedef unsigned int CORE_ADDR;
52
53 /* Get at various relevent fields of an instruction word. */
54
55 #define MASK_5 0x1f
56 #define MASK_10 0x3ff
57 #define MASK_11 0x7ff
58 #define MASK_14 0x3fff
59 #define MASK_16 0xffff
60 #define MASK_21 0x1fffff
61
62 /* These macros get bit fields using HP's numbering (MSB = 0). */
63
64 #define GET_FIELD(X, FROM, TO) \
65 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1))
66
67 #define GET_BIT(X, WHICH) \
68 GET_FIELD (X, WHICH, WHICH)
69
70 /* Some of these have been converted to 2-d arrays because they
71 consume less storage this way. If the maintenance becomes a
72 problem, convert them back to const 1-d pointer arrays. */
73 static const char *const control_reg[] =
74 {
75 "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7",
76 "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4",
77 "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr",
78 "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3",
79 "tr4", "tr5", "tr6", "tr7"
80 };
81
82 static const char *const compare_cond_names[] =
83 {
84 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od",
85 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev"
86 };
87 static const char *const compare_cond_64_names[] =
88 {
89 "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od",
90 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev"
91 };
92 static const char *const cmpib_cond_64_names[] =
93 {
94 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>"
95 };
96 static const char *const add_cond_names[] =
97 {
98 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od",
99 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev"
100 };
101 static const char *const add_cond_64_names[] =
102 {
103 "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od",
104 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev"
105 };
106 static const char *const wide_add_cond_names[] =
107 {
108 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=",
109 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>"
110 };
111 static const char *const logical_cond_names[] =
112 {
113 "", ",=", ",<", ",<=", 0, 0, 0, ",od",
114 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
115 static const char *const logical_cond_64_names[] =
116 {
117 "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od",
118 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"};
119 static const char *const unit_cond_names[] =
120 {
121 "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc",
122 ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc"
123 };
124 static const char *const unit_cond_64_names[] =
125 {
126 "", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc",
127 ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc"
128 };
129 static const char *const shift_cond_names[] =
130 {
131 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
132 };
133 static const char *const shift_cond_64_names[] =
134 {
135 "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev"
136 };
137 static const char *const bb_cond_64_names[] =
138 {
139 ",*<", ",*>="
140 };
141 static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"};
142 static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
143 static const char *const short_bytes_compl_names[] =
144 {
145 "", ",b,m", ",e", ",e,m"
146 };
147 static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
148 static const char *const fcnv_fixed_names[] = {",w", ",dw", "", ",qw"};
149 static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"};
150 static const char *const float_comp_names[] =
151 {
152 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
153 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
154 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
155 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
156 };
157 static const char *const signed_unsigned_names[] = {",u", ",s"};
158 static const char *const mix_half_names[] = {",l", ",r"};
159 static const char *const saturation_names[] = {",us", ",ss", 0, ""};
160 static const char *const read_write_names[] = {",r", ",w"};
161 static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
162
163 /* For a bunch of different instructions form an index into a
164 completer name table. */
165 #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
166 GET_FIELD (insn, 18, 18) << 1)
167
168 #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \
169 (GET_FIELD ((insn), 19, 19) ? 8 : 0))
170
171 /* Utility function to print registers. Put these first, so gcc's function
172 inlining can do its stuff. */
173
174 #define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR)
175
176 static void
177 fput_reg (unsigned reg, disassemble_info *info)
178 {
179 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
180 }
181
182 static void
183 fput_fp_reg (unsigned reg, 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 (unsigned reg, disassemble_info *info)
190 {
191 /* Special case floating point exception registers. */
192 if (reg < 4)
193 (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1);
194 else
195 (*info->fprintf_func) (info->stream, "%sR",
196 reg ? fp_reg_names[reg] : "fr0");
197 }
198
199 static void
200 fput_creg (unsigned reg, disassemble_info *info)
201 {
202 (*info->fprintf_func) (info->stream, control_reg[reg]);
203 }
204
205 /* Print constants with sign. */
206
207 static void
208 fput_const (unsigned num, disassemble_info *info)
209 {
210 if ((int) num < 0)
211 (*info->fprintf_func) (info->stream, "-%x", - (int) num);
212 else
213 (*info->fprintf_func) (info->stream, "%x", num);
214 }
215
216 /* Routines to extract various sized constants out of hppa
217 instructions. */
218
219 /* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */
220 static int
221 extract_3 (unsigned word)
222 {
223 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
224 }
225
226 static int
227 extract_5_load (unsigned word)
228 {
229 return low_sign_extend (word >> 16 & MASK_5, 5);
230 }
231
232 /* Extract the immediate field from a st{bhw}s instruction. */
233
234 static int
235 extract_5_store (unsigned word)
236 {
237 return low_sign_extend (word & MASK_5, 5);
238 }
239
240 /* Extract the immediate field from a break instruction. */
241
242 static unsigned
243 extract_5r_store (unsigned word)
244 {
245 return (word & MASK_5);
246 }
247
248 /* Extract the immediate field from a {sr}sm instruction. */
249
250 static unsigned
251 extract_5R_store (unsigned word)
252 {
253 return (word >> 16 & MASK_5);
254 }
255
256 /* Extract the 10 bit immediate field from a {sr}sm instruction. */
257
258 static unsigned
259 extract_10U_store (unsigned word)
260 {
261 return (word >> 16 & MASK_10);
262 }
263
264 /* Extract the immediate field from a bb instruction. */
265
266 static unsigned
267 extract_5Q_store (unsigned word)
268 {
269 return (word >> 21 & MASK_5);
270 }
271
272 /* Extract an 11 bit immediate field. */
273
274 static int
275 extract_11 (unsigned word)
276 {
277 return low_sign_extend (word & MASK_11, 11);
278 }
279
280 /* Extract a 14 bit immediate field. */
281
282 static int
283 extract_14 (unsigned word)
284 {
285 return low_sign_extend (word & MASK_14, 14);
286 }
287
288 /* Extract a 16 bit immediate field (PA2.0 wide only). */
289
290 static int
291 extract_16 (unsigned word)
292 {
293 int m15, m0, m1;
294
295 m0 = GET_BIT (word, 16);
296 m1 = GET_BIT (word, 17);
297 m15 = GET_BIT (word, 31);
298 word = (word >> 1) & 0x1fff;
299 word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13);
300 return sign_extend (word, 16);
301 }
302
303 /* Extract a 21 bit constant. */
304
305 static int
306 extract_21 (unsigned word)
307 {
308 int val;
309
310 word &= MASK_21;
311 word <<= 11;
312 val = GET_FIELD (word, 20, 20);
313 val <<= 11;
314 val |= GET_FIELD (word, 9, 19);
315 val <<= 2;
316 val |= GET_FIELD (word, 5, 6);
317 val <<= 5;
318 val |= GET_FIELD (word, 0, 4);
319 val <<= 2;
320 val |= GET_FIELD (word, 7, 8);
321 return sign_extend (val, 21) << 11;
322 }
323
324 /* Extract a 12 bit constant from branch instructions. */
325
326 static int
327 extract_12 (unsigned word)
328 {
329 return sign_extend (GET_FIELD (word, 19, 28)
330 | GET_FIELD (word, 29, 29) << 10
331 | (word & 0x1) << 11, 12) << 2;
332 }
333
334 /* Extract a 17 bit constant from branch instructions, returning the
335 19 bit signed value. */
336
337 static int
338 extract_17 (unsigned word)
339 {
340 return sign_extend (GET_FIELD (word, 19, 28)
341 | GET_FIELD (word, 29, 29) << 10
342 | GET_FIELD (word, 11, 15) << 11
343 | (word & 0x1) << 16, 17) << 2;
344 }
345
346 static int
347 extract_22 (unsigned word)
348 {
349 return sign_extend (GET_FIELD (word, 19, 28)
350 | GET_FIELD (word, 29, 29) << 10
351 | GET_FIELD (word, 11, 15) << 11
352 | GET_FIELD (word, 6, 10) << 16
353 | (word & 0x1) << 21, 22) << 2;
354 }
355
356 /* Print one instruction. */
357
358 int
359 print_insn_hppa (bfd_vma memaddr, disassemble_info *info)
360 {
361 bfd_byte buffer[4];
362 unsigned int insn, i;
363
364 {
365 int status =
366 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
367 if (status != 0)
368 {
369 (*info->memory_error_func) (status, memaddr, info);
370 return -1;
371 }
372 }
373
374 insn = bfd_getb32 (buffer);
375
376 for (i = 0; i < NUMOPCODES; ++i)
377 {
378 const struct pa_opcode *opcode = &pa_opcodes[i];
379
380 if ((insn & opcode->mask) == opcode->match)
381 {
382 const char *s;
383 #ifndef BFD64
384 if (opcode->arch == pa20w)
385 continue;
386 #endif
387 (*info->fprintf_func) (info->stream, "%s", opcode->name);
388
389 if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0]))
390 (*info->fprintf_func) (info->stream, " ");
391 for (s = opcode->args; *s != '\0'; ++s)
392 {
393 switch (*s)
394 {
395 case 'x':
396 fput_reg (GET_FIELD (insn, 11, 15), info);
397 break;
398 case 'a':
399 case 'b':
400 fput_reg (GET_FIELD (insn, 6, 10), info);
401 break;
402 case '^':
403 fput_creg (GET_FIELD (insn, 6, 10), info);
404 break;
405 case 't':
406 fput_reg (GET_FIELD (insn, 27, 31), info);
407 break;
408
409 /* Handle floating point registers. */
410 case 'f':
411 switch (*++s)
412 {
413 case 't':
414 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
415 break;
416 case 'T':
417 if (GET_FIELD (insn, 25, 25))
418 fput_fp_reg_r (GET_FIELD (insn, 27, 31), info);
419 else
420 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
421 break;
422 case 'a':
423 if (GET_FIELD (insn, 25, 25))
424 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
425 else
426 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
427 break;
428
429 /* 'fA' will not generate a space before the regsiter
430 name. Normally that is fine. Except that it
431 causes problems with xmpyu which has no FP format
432 completer. */
433 case 'X':
434 fputs_filtered (" ", info);
435 /* FALLTHRU */
436
437 case 'A':
438 if (GET_FIELD (insn, 24, 24))
439 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
440 else
441 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
442 break;
443 case 'b':
444 if (GET_FIELD (insn, 25, 25))
445 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
446 else
447 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
448 break;
449 case 'B':
450 if (GET_FIELD (insn, 19, 19))
451 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
452 else
453 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
454 break;
455 case 'C':
456 {
457 int reg = GET_FIELD (insn, 21, 22);
458 reg |= GET_FIELD (insn, 16, 18) << 2;
459 if (GET_FIELD (insn, 23, 23) != 0)
460 fput_fp_reg_r (reg, info);
461 else
462 fput_fp_reg (reg, info);
463 break;
464 }
465 case 'i':
466 {
467 int reg = GET_FIELD (insn, 6, 10);
468
469 reg |= (GET_FIELD (insn, 26, 26) << 4);
470 fput_fp_reg (reg, info);
471 break;
472 }
473 case 'j':
474 {
475 int reg = GET_FIELD (insn, 11, 15);
476
477 reg |= (GET_FIELD (insn, 26, 26) << 4);
478 fput_fp_reg (reg, info);
479 break;
480 }
481 case 'k':
482 {
483 int reg = GET_FIELD (insn, 27, 31);
484
485 reg |= (GET_FIELD (insn, 26, 26) << 4);
486 fput_fp_reg (reg, info);
487 break;
488 }
489 case 'l':
490 {
491 int reg = GET_FIELD (insn, 21, 25);
492
493 reg |= (GET_FIELD (insn, 26, 26) << 4);
494 fput_fp_reg (reg, info);
495 break;
496 }
497 case 'm':
498 {
499 int reg = GET_FIELD (insn, 16, 20);
500
501 reg |= (GET_FIELD (insn, 26, 26) << 4);
502 fput_fp_reg (reg, info);
503 break;
504 }
505
506 /* 'fe' will not generate a space before the register
507 name. Normally that is fine. Except that it
508 causes problems with fstw fe,y(b) which has no FP
509 format completer. */
510 case 'E':
511 fputs_filtered (" ", info);
512 /* FALLTHRU */
513
514 case 'e':
515 if (GET_FIELD (insn, 30, 30))
516 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
517 else
518 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
519 break;
520 case 'x':
521 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
522 break;
523 }
524 break;
525
526 case '5':
527 fput_const (extract_5_load (insn), info);
528 break;
529 case 's':
530 {
531 int space = GET_FIELD (insn, 16, 17);
532 /* Zero means implicit addressing, not use of sr0. */
533 if (space != 0)
534 (*info->fprintf_func) (info->stream, "sr%d", space);
535 }
536 break;
537
538 case 'S':
539 (*info->fprintf_func) (info->stream, "sr%d",
540 extract_3 (insn));
541 break;
542
543 /* Handle completers. */
544 case 'c':
545 switch (*++s)
546 {
547 case 'x':
548 (*info->fprintf_func)
549 (info->stream, "%s",
550 index_compl_names[GET_COMPL (insn)]);
551 break;
552 case 'X':
553 (*info->fprintf_func)
554 (info->stream, "%s ",
555 index_compl_names[GET_COMPL (insn)]);
556 break;
557 case 'm':
558 (*info->fprintf_func)
559 (info->stream, "%s",
560 short_ldst_compl_names[GET_COMPL (insn)]);
561 break;
562 case 'M':
563 (*info->fprintf_func)
564 (info->stream, "%s ",
565 short_ldst_compl_names[GET_COMPL (insn)]);
566 break;
567 case 'A':
568 (*info->fprintf_func)
569 (info->stream, "%s ",
570 short_bytes_compl_names[GET_COMPL (insn)]);
571 break;
572 case 's':
573 (*info->fprintf_func)
574 (info->stream, "%s",
575 short_bytes_compl_names[GET_COMPL (insn)]);
576 break;
577 case 'c':
578 case 'C':
579 switch (GET_FIELD (insn, 20, 21))
580 {
581 case 1:
582 (*info->fprintf_func) (info->stream, ",bc ");
583 break;
584 case 2:
585 (*info->fprintf_func) (info->stream, ",sl ");
586 break;
587 default:
588 (*info->fprintf_func) (info->stream, " ");
589 }
590 break;
591 case 'd':
592 switch (GET_FIELD (insn, 20, 21))
593 {
594 case 1:
595 (*info->fprintf_func) (info->stream, ",co ");
596 break;
597 default:
598 (*info->fprintf_func) (info->stream, " ");
599 }
600 break;
601 case 'o':
602 (*info->fprintf_func) (info->stream, ",o");
603 break;
604 case 'g':
605 (*info->fprintf_func) (info->stream, ",gate");
606 break;
607 case 'p':
608 (*info->fprintf_func) (info->stream, ",l,push");
609 break;
610 case 'P':
611 (*info->fprintf_func) (info->stream, ",pop");
612 break;
613 case 'l':
614 case 'L':
615 (*info->fprintf_func) (info->stream, ",l");
616 break;
617 case 'w':
618 (*info->fprintf_func)
619 (info->stream, "%s ",
620 read_write_names[GET_FIELD (insn, 25, 25)]);
621 break;
622 case 'W':
623 (*info->fprintf_func) (info->stream, ",w ");
624 break;
625 case 'r':
626 if (GET_FIELD (insn, 23, 26) == 5)
627 (*info->fprintf_func) (info->stream, ",r");
628 break;
629 case 'Z':
630 if (GET_FIELD (insn, 26, 26))
631 (*info->fprintf_func) (info->stream, ",m ");
632 else
633 (*info->fprintf_func) (info->stream, " ");
634 break;
635 case 'i':
636 if (GET_FIELD (insn, 25, 25))
637 (*info->fprintf_func) (info->stream, ",i");
638 break;
639 case 'z':
640 if (!GET_FIELD (insn, 21, 21))
641 (*info->fprintf_func) (info->stream, ",z");
642 break;
643 case 'a':
644 (*info->fprintf_func)
645 (info->stream, "%s",
646 add_compl_names[GET_FIELD (insn, 20, 21)]);
647 break;
648 case 'Y':
649 (*info->fprintf_func)
650 (info->stream, ",dc%s",
651 add_compl_names[GET_FIELD (insn, 20, 21)]);
652 break;
653 case 'y':
654 (*info->fprintf_func)
655 (info->stream, ",c%s",
656 add_compl_names[GET_FIELD (insn, 20, 21)]);
657 break;
658 case 'v':
659 if (GET_FIELD (insn, 20, 20))
660 (*info->fprintf_func) (info->stream, ",tsv");
661 break;
662 case 't':
663 (*info->fprintf_func) (info->stream, ",tc");
664 if (GET_FIELD (insn, 20, 20))
665 (*info->fprintf_func) (info->stream, ",tsv");
666 break;
667 case 'B':
668 (*info->fprintf_func) (info->stream, ",db");
669 if (GET_FIELD (insn, 20, 20))
670 (*info->fprintf_func) (info->stream, ",tsv");
671 break;
672 case 'b':
673 (*info->fprintf_func) (info->stream, ",b");
674 if (GET_FIELD (insn, 20, 20))
675 (*info->fprintf_func) (info->stream, ",tsv");
676 break;
677 case 'T':
678 if (GET_FIELD (insn, 25, 25))
679 (*info->fprintf_func) (info->stream, ",tc");
680 break;
681 case 'S':
682 /* EXTRD/W has a following condition. */
683 if (*(s + 1) == '?')
684 (*info->fprintf_func)
685 (info->stream, "%s",
686 signed_unsigned_names[GET_FIELD (insn, 21, 21)]);
687 else
688 (*info->fprintf_func)
689 (info->stream, "%s ",
690 signed_unsigned_names[GET_FIELD (insn, 21, 21)]);
691 break;
692 case 'h':
693 (*info->fprintf_func)
694 (info->stream, "%s",
695 mix_half_names[GET_FIELD (insn, 17, 17)]);
696 break;
697 case 'H':
698 (*info->fprintf_func)
699 (info->stream, "%s ",
700 saturation_names[GET_FIELD (insn, 24, 25)]);
701 break;
702 case '*':
703 (*info->fprintf_func)
704 (info->stream, ",%d%d%d%d ",
705 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
706 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
707 break;
708
709 case 'q':
710 {
711 int m, a;
712
713 m = GET_FIELD (insn, 28, 28);
714 a = GET_FIELD (insn, 29, 29);
715
716 if (m && !a)
717 fputs_filtered (",ma ", info);
718 else if (m && a)
719 fputs_filtered (",mb ", info);
720 else
721 fputs_filtered (" ", info);
722 break;
723 }
724
725 case 'J':
726 {
727 int opc = GET_FIELD (insn, 0, 5);
728
729 if (opc == 0x16 || opc == 0x1e)
730 {
731 if (GET_FIELD (insn, 29, 29) == 0)
732 fputs_filtered (",ma ", info);
733 else
734 fputs_filtered (",mb ", info);
735 }
736 else
737 fputs_filtered (" ", info);
738 break;
739 }
740
741 case 'e':
742 {
743 int opc = GET_FIELD (insn, 0, 5);
744
745 if (opc == 0x13 || opc == 0x1b)
746 {
747 if (GET_FIELD (insn, 18, 18) == 1)
748 fputs_filtered (",mb ", info);
749 else
750 fputs_filtered (",ma ", info);
751 }
752 else if (opc == 0x17 || opc == 0x1f)
753 {
754 if (GET_FIELD (insn, 31, 31) == 1)
755 fputs_filtered (",ma ", info);
756 else
757 fputs_filtered (",mb ", info);
758 }
759 else
760 fputs_filtered (" ", info);
761
762 break;
763 }
764 }
765 break;
766
767 /* Handle conditions. */
768 case '?':
769 {
770 s++;
771 switch (*s)
772 {
773 case 'f':
774 (*info->fprintf_func)
775 (info->stream, "%s ",
776 float_comp_names[GET_FIELD (insn, 27, 31)]);
777 break;
778
779 /* These four conditions are for the set of instructions
780 which distinguish true/false conditions by opcode
781 rather than by the 'f' bit (sigh): comb, comib,
782 addb, addib. */
783 case 't':
784 fputs_filtered
785 (compare_cond_names[GET_FIELD (insn, 16, 18)], info);
786 break;
787 case 'n':
788 fputs_filtered
789 (compare_cond_names[GET_FIELD (insn, 16, 18)
790 + GET_FIELD (insn, 4, 4) * 8],
791 info);
792 break;
793 case 'N':
794 fputs_filtered
795 (compare_cond_64_names[GET_FIELD (insn, 16, 18)
796 + GET_FIELD (insn, 2, 2) * 8],
797 info);
798 break;
799 case 'Q':
800 fputs_filtered
801 (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
802 info);
803 break;
804 case '@':
805 fputs_filtered
806 (add_cond_names[GET_FIELD (insn, 16, 18)
807 + GET_FIELD (insn, 4, 4) * 8],
808 info);
809 break;
810 case 's':
811 (*info->fprintf_func)
812 (info->stream, "%s ",
813 compare_cond_names[GET_COND (insn)]);
814 break;
815 case 'S':
816 (*info->fprintf_func)
817 (info->stream, "%s ",
818 compare_cond_64_names[GET_COND (insn)]);
819 break;
820 case 'a':
821 (*info->fprintf_func)
822 (info->stream, "%s ",
823 add_cond_names[GET_COND (insn)]);
824 break;
825 case 'A':
826 (*info->fprintf_func)
827 (info->stream, "%s ",
828 add_cond_64_names[GET_COND (insn)]);
829 break;
830 case 'd':
831 (*info->fprintf_func)
832 (info->stream, "%s",
833 add_cond_names[GET_FIELD (insn, 16, 18)]);
834 break;
835
836 case 'W':
837 (*info->fprintf_func)
838 (info->stream, "%s",
839 wide_add_cond_names[GET_FIELD (insn, 16, 18) +
840 GET_FIELD (insn, 4, 4) * 8]);
841 break;
842
843 case 'l':
844 (*info->fprintf_func)
845 (info->stream, "%s ",
846 logical_cond_names[GET_COND (insn)]);
847 break;
848 case 'L':
849 (*info->fprintf_func)
850 (info->stream, "%s ",
851 logical_cond_64_names[GET_COND (insn)]);
852 break;
853 case 'u':
854 (*info->fprintf_func)
855 (info->stream, "%s ",
856 unit_cond_names[GET_COND (insn)]);
857 break;
858 case 'U':
859 (*info->fprintf_func)
860 (info->stream, "%s ",
861 unit_cond_64_names[GET_COND (insn)]);
862 break;
863 case 'y':
864 case 'x':
865 case 'b':
866 (*info->fprintf_func)
867 (info->stream, "%s",
868 shift_cond_names[GET_FIELD (insn, 16, 18)]);
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 case 'X':
876 (*info->fprintf_func)
877 (info->stream, "%s ",
878 shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
879 break;
880 case 'B':
881 (*info->fprintf_func)
882 (info->stream, "%s",
883 bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
884
885 /* If the next character in args is 'n', it will handle
886 putting out the space. */
887 if (s[1] != 'n')
888 (*info->fprintf_func) (info->stream, " ");
889 break;
890 }
891 break;
892 }
893
894 case 'V':
895 fput_const (extract_5_store (insn), info);
896 break;
897 case 'r':
898 fput_const (extract_5r_store (insn), info);
899 break;
900 case 'R':
901 fput_const (extract_5R_store (insn), info);
902 break;
903 case 'U':
904 fput_const (extract_10U_store (insn), info);
905 break;
906 case 'B':
907 case 'Q':
908 fput_const (extract_5Q_store (insn), info);
909 break;
910 case 'i':
911 fput_const (extract_11 (insn), info);
912 break;
913 case 'j':
914 fput_const (extract_14 (insn), info);
915 break;
916 case 'k':
917 fputs_filtered ("L%", info);
918 fput_const (extract_21 (insn), info);
919 break;
920 case '<':
921 case 'l':
922 /* 16-bit long disp., PA2.0 wide only. */
923 fput_const (extract_16 (insn), info);
924 break;
925 case 'n':
926 if (insn & 0x2)
927 (*info->fprintf_func) (info->stream, ",n ");
928 else
929 (*info->fprintf_func) (info->stream, " ");
930 break;
931 case 'N':
932 if ((insn & 0x20) && s[1])
933 (*info->fprintf_func) (info->stream, ",n ");
934 else if (insn & 0x20)
935 (*info->fprintf_func) (info->stream, ",n");
936 else if (s[1])
937 (*info->fprintf_func) (info->stream, " ");
938 break;
939 case 'w':
940 (*info->print_address_func)
941 (memaddr + 8 + extract_12 (insn), info);
942 break;
943 case 'W':
944 /* 17 bit PC-relative branch. */
945 (*info->print_address_func)
946 ((memaddr + 8 + extract_17 (insn)), info);
947 break;
948 case 'z':
949 /* 17 bit displacement. This is an offset from a register
950 so it gets disasssembled as just a number, not any sort
951 of address. */
952 fput_const (extract_17 (insn), info);
953 break;
954
955 case 'Z':
956 /* addil %r1 implicit output. */
957 fputs_filtered ("r1", info);
958 break;
959
960 case 'Y':
961 /* be,l %sr0,%r31 implicit output. */
962 fputs_filtered ("sr0,r31", info);
963 break;
964
965 case '@':
966 (*info->fprintf_func) (info->stream, "0");
967 break;
968
969 case '.':
970 (*info->fprintf_func) (info->stream, "%d",
971 GET_FIELD (insn, 24, 25));
972 break;
973 case '*':
974 (*info->fprintf_func) (info->stream, "%d",
975 GET_FIELD (insn, 22, 25));
976 break;
977 case '!':
978 fputs_filtered ("sar", info);
979 break;
980 case 'p':
981 (*info->fprintf_func) (info->stream, "%d",
982 31 - GET_FIELD (insn, 22, 26));
983 break;
984 case '~':
985 {
986 int num;
987 num = GET_FIELD (insn, 20, 20) << 5;
988 num |= GET_FIELD (insn, 22, 26);
989 (*info->fprintf_func) (info->stream, "%d", 63 - num);
990 break;
991 }
992 case 'P':
993 (*info->fprintf_func) (info->stream, "%d",
994 GET_FIELD (insn, 22, 26));
995 break;
996 case 'q':
997 {
998 int num;
999 num = GET_FIELD (insn, 20, 20) << 5;
1000 num |= GET_FIELD (insn, 22, 26);
1001 (*info->fprintf_func) (info->stream, "%d", num);
1002 break;
1003 }
1004 case 'T':
1005 (*info->fprintf_func) (info->stream, "%d",
1006 32 - GET_FIELD (insn, 27, 31));
1007 break;
1008 case '%':
1009 {
1010 int num;
1011 num = (GET_FIELD (insn, 23, 23) + 1) * 32;
1012 num -= GET_FIELD (insn, 27, 31);
1013 (*info->fprintf_func) (info->stream, "%d", num);
1014 break;
1015 }
1016 case '|':
1017 {
1018 int num;
1019 num = (GET_FIELD (insn, 19, 19) + 1) * 32;
1020 num -= GET_FIELD (insn, 27, 31);
1021 (*info->fprintf_func) (info->stream, "%d", num);
1022 break;
1023 }
1024 case '$':
1025 fput_const (GET_FIELD (insn, 20, 28), info);
1026 break;
1027 case 'A':
1028 fput_const (GET_FIELD (insn, 6, 18), info);
1029 break;
1030 case 'D':
1031 fput_const (GET_FIELD (insn, 6, 31), info);
1032 break;
1033 case 'v':
1034 (*info->fprintf_func) (info->stream, ",%d",
1035 GET_FIELD (insn, 23, 25));
1036 break;
1037 case 'O':
1038 fput_const ((GET_FIELD (insn, 6,20) << 5 |
1039 GET_FIELD (insn, 27, 31)), info);
1040 break;
1041 case 'o':
1042 fput_const (GET_FIELD (insn, 6, 20), info);
1043 break;
1044 case '2':
1045 fput_const ((GET_FIELD (insn, 6, 22) << 5 |
1046 GET_FIELD (insn, 27, 31)), info);
1047 break;
1048 case '1':
1049 fput_const ((GET_FIELD (insn, 11, 20) << 5 |
1050 GET_FIELD (insn, 27, 31)), info);
1051 break;
1052 case '0':
1053 fput_const ((GET_FIELD (insn, 16, 20) << 5 |
1054 GET_FIELD (insn, 27, 31)), info);
1055 break;
1056 case 'u':
1057 (*info->fprintf_func) (info->stream, ",%d",
1058 GET_FIELD (insn, 23, 25));
1059 break;
1060 case 'F':
1061 /* If no destination completer and not before a completer
1062 for fcmp, need a space here. */
1063 if (s[1] == 'G' || s[1] == '?')
1064 fputs_filtered
1065 (float_format_names[GET_FIELD (insn, 19, 20)], info);
1066 else
1067 (*info->fprintf_func)
1068 (info->stream, "%s ",
1069 float_format_names[GET_FIELD (insn, 19, 20)]);
1070 break;
1071 case 'G':
1072 (*info->fprintf_func)
1073 (info->stream, "%s ",
1074 float_format_names[GET_FIELD (insn, 17, 18)]);
1075 break;
1076 case 'H':
1077 if (GET_FIELD (insn, 26, 26) == 1)
1078 (*info->fprintf_func) (info->stream, "%s ",
1079 float_format_names[0]);
1080 else
1081 (*info->fprintf_func) (info->stream, "%s ",
1082 float_format_names[1]);
1083 break;
1084 case 'I':
1085 /* If no destination completer and not before a completer
1086 for fcmp, need a space here. */
1087 if (s[1] == '?')
1088 fputs_filtered
1089 (float_format_names[GET_FIELD (insn, 20, 20)], info);
1090 else
1091 (*info->fprintf_func)
1092 (info->stream, "%s ",
1093 float_format_names[GET_FIELD (insn, 20, 20)]);
1094 break;
1095
1096 case 'J':
1097 fput_const (extract_14 (insn), info);
1098 break;
1099
1100 case '#':
1101 {
1102 int sign = GET_FIELD (insn, 31, 31);
1103 int imm10 = GET_FIELD (insn, 18, 27);
1104 int disp;
1105
1106 if (sign)
1107 disp = (-1 << 10) | imm10;
1108 else
1109 disp = imm10;
1110
1111 disp <<= 3;
1112 fput_const (disp, info);
1113 break;
1114 }
1115 case 'K':
1116 case 'd':
1117 {
1118 int sign = GET_FIELD (insn, 31, 31);
1119 int imm11 = GET_FIELD (insn, 18, 28);
1120 int disp;
1121
1122 if (sign)
1123 disp = (-1 << 11) | imm11;
1124 else
1125 disp = imm11;
1126
1127 disp <<= 2;
1128 fput_const (disp, info);
1129 break;
1130 }
1131
1132 case '>':
1133 case 'y':
1134 {
1135 /* 16-bit long disp., PA2.0 wide only. */
1136 int disp = extract_16 (insn);
1137 disp &= ~3;
1138 fput_const (disp, info);
1139 break;
1140 }
1141
1142 case '&':
1143 {
1144 /* 16-bit long disp., PA2.0 wide only. */
1145 int disp = extract_16 (insn);
1146 disp &= ~7;
1147 fput_const (disp, info);
1148 break;
1149 }
1150
1151 case '_':
1152 break; /* Dealt with by '{' */
1153
1154 case '{':
1155 {
1156 int sub = GET_FIELD (insn, 14, 16);
1157 int df = GET_FIELD (insn, 17, 18);
1158 int sf = GET_FIELD (insn, 19, 20);
1159 const char * const * source = float_format_names;
1160 const char * const * dest = float_format_names;
1161 char *t = "";
1162
1163 if (sub == 4)
1164 {
1165 fputs_filtered (",UND ", info);
1166 break;
1167 }
1168 if ((sub & 3) == 3)
1169 t = ",t";
1170 if ((sub & 3) == 1)
1171 source = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names;
1172 if (sub & 2)
1173 dest = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names;
1174
1175 (*info->fprintf_func) (info->stream, "%s%s%s ",
1176 t, source[sf], dest[df]);
1177 break;
1178 }
1179
1180 case 'm':
1181 {
1182 int y = GET_FIELD (insn, 16, 18);
1183
1184 if (y != 1)
1185 fput_const ((y ^ 1) - 1, info);
1186 }
1187 break;
1188
1189 case 'h':
1190 {
1191 int cbit;
1192
1193 cbit = GET_FIELD (insn, 16, 18);
1194
1195 if (cbit > 0)
1196 (*info->fprintf_func) (info->stream, ",%d", cbit - 1);
1197 break;
1198 }
1199
1200 case '=':
1201 {
1202 int cond = GET_FIELD (insn, 27, 31);
1203
1204 switch (cond)
1205 {
1206 case 0: fputs_filtered (" ", info); break;
1207 case 1: fputs_filtered ("acc ", info); break;
1208 case 2: fputs_filtered ("rej ", info); break;
1209 case 5: fputs_filtered ("acc8 ", info); break;
1210 case 6: fputs_filtered ("rej8 ", info); break;
1211 case 9: fputs_filtered ("acc6 ", info); break;
1212 case 13: fputs_filtered ("acc4 ", info); break;
1213 case 17: fputs_filtered ("acc2 ", info); break;
1214 default: break;
1215 }
1216 break;
1217 }
1218
1219 case 'X':
1220 (*info->print_address_func)
1221 (memaddr + 8 + extract_22 (insn), info);
1222 break;
1223 case 'L':
1224 fputs_filtered (",rp", info);
1225 break;
1226 default:
1227 (*info->fprintf_func) (info->stream, "%c", *s);
1228 break;
1229 }
1230 }
1231 return sizeof (insn);
1232 }
1233 }
1234 (*info->fprintf_func) (info->stream, "#%8x", insn);
1235 return sizeof (insn);
1236 }
The GNU Binutils are a collection of binary tools.