source: trunk/src/binutils/opcodes/hppa-dis.c@ 490

Last change on this file since 490 was 10, checked in by bird, 23 years ago

Initial revision
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  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 31.1 KB
Line 
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
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, 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. */
29static 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. */
37static 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
44typedef 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. */
66static 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
74static const char *const compare_cond_names[] = {
75 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od",
76 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev"
77};
78static const char *const compare_cond_64_names[] = {
79 "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od",
80 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev"
81};
82static const char *const cmpib_cond_64_names[] = {
83 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>"
84};
85static const char *const add_cond_names[] = {
86 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od",
87 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev"
88};
89static const char *const add_cond_64_names[] = {
90 "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od",
91 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev"
92};
93static const char *const wide_add_cond_names[] = {
94 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=",
95 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>"
96};
97static const char *const logical_cond_names[] = {
98 "", ",=", ",<", ",<=", 0, 0, 0, ",od",
99 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"};
100static const char *const logical_cond_64_names[] = {
101 "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od",
102 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"};
103static const char *const unit_cond_names[] = {
104 "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc",
105 ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc"
106};
107static 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};
111static const char *const shift_cond_names[] = {
112 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev"
113};
114static const char *const shift_cond_64_names[] = {
115 "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev"
116};
117static const char *const bb_cond_64_names[] = {
118 ",*<", ",*>="
119};
120static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"};
121static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"};
122static const char *const short_bytes_compl_names[] = {
123 "", ",b,m", ",e", ",e,m"
124};
125static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"};
126static const char *const float_comp_names[] =
127{
128 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
129 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
130 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
131 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
132};
133static const char *const signed_unsigned_names[] = {",u", ",s"};
134static const char *const mix_half_names[] = {",l", ",r"};
135static const char *const saturation_names[] = {",us", ",ss", 0, ""};
136static const char *const read_write_names[] = {",r", ",w"};
137static 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
147static void fput_reg PARAMS ((unsigned int, disassemble_info *));
148static void fput_fp_reg PARAMS ((unsigned int, disassemble_info *));
149static void fput_fp_reg_r PARAMS ((unsigned int, disassemble_info *));
150static void fput_creg PARAMS ((unsigned int, disassemble_info *));
151static void fput_const PARAMS ((unsigned int, disassemble_info *));
152static int extract_3 PARAMS ((unsigned int));
153static int extract_5_load PARAMS ((unsigned int));
154static int extract_5_store PARAMS ((unsigned int));
155static unsigned extract_5r_store PARAMS ((unsigned int));
156static unsigned extract_5R_store PARAMS ((unsigned int));
157static unsigned extract_10U_store PARAMS ((unsigned int));
158static unsigned extract_5Q_store PARAMS ((unsigned int));
159static int extract_11 PARAMS ((unsigned int));
160static int extract_14 PARAMS ((unsigned int));
161static int extract_16 PARAMS ((unsigned int));
162static int extract_21 PARAMS ((unsigned int));
163static int extract_12 PARAMS ((unsigned int));
164static int extract_17 PARAMS ((unsigned int));
165static 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
172static void
173fput_reg (reg, info)
174 unsigned reg;
175 disassemble_info *info;
176{
177 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
178}
179
180static void
181fput_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
188static void
189fput_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
201static void
202fput_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
211static void
212fput_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. */
226static int
227extract_3 (word)
228 unsigned word;
229{
230 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
231}
232
233static int
234extract_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. */
241static int
242extract_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. */
249static unsigned
250extract_5r_store (word)
251 unsigned word;
252{
253 return (word & MASK_5);
254}
255
256/* Extract the immediate field from a {sr}sm instruction. */
257static unsigned
258extract_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. */
265static unsigned
266extract_10U_store (word)
267 unsigned word;
268{
269 return (word >> 16 & MASK_10);
270}
271
272/* Extract the immediate field from a bb instruction. */
273static unsigned
274extract_5Q_store (word)
275 unsigned word;
276{
277 return (word >> 21 & MASK_5);
278}
279
280/* Extract an 11 bit immediate field. */
281static int
282extract_11 (word)
283 unsigned word;
284{
285 return low_sign_extend (word & MASK_11, 11);
286}
287
288/* Extract a 14 bit immediate field. */
289static int
290extract_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). */
297static int
298extract_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
312static int
313extract_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
334static int
335extract_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
346static int
347extract_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
356static int
357extract_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. */
368int
369print_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 'm':
561 (*info->fprintf_func) (info->stream, "%s ",
562 short_ldst_compl_names[GET_COMPL (insn)]);
563 break;
564 case 's':
565 (*info->fprintf_func) (info->stream, "%s ",
566 short_bytes_compl_names[GET_COMPL (insn)]);
567 break;
568 case 'c':
569 case 'C':
570 switch (GET_FIELD (insn, 20, 21))
571 {
572 case 1:
573 (*info->fprintf_func) (info->stream, ",bc ");
574 break;
575 case 2:
576 (*info->fprintf_func) (info->stream, ",sl ");
577 break;
578 default:
579 (*info->fprintf_func) (info->stream, " ");
580 }
581 break;
582 case 'd':
583 switch (GET_FIELD (insn, 20, 21))
584 {
585 case 1:
586 (*info->fprintf_func) (info->stream, ",co ");
587 break;
588 default:
589 (*info->fprintf_func) (info->stream, " ");
590 }
591 break;
592 case 'o':
593 (*info->fprintf_func) (info->stream, ",o");
594 break;
595 case 'g':
596 (*info->fprintf_func) (info->stream, ",gate");
597 break;
598 case 'p':
599 (*info->fprintf_func) (info->stream, ",l,push");
600 break;
601 case 'P':
602 (*info->fprintf_func) (info->stream, ",pop");
603 break;
604 case 'l':
605 case 'L':
606 (*info->fprintf_func) (info->stream, ",l");
607 break;
608 case 'w':
609 (*info->fprintf_func) (info->stream, "%s ",
610 read_write_names[GET_FIELD (insn, 25, 25)]);
611 break;
612 case 'W':
613 (*info->fprintf_func) (info->stream, ",w");
614 break;
615 case 'r':
616 if (GET_FIELD (insn, 23, 26) == 5)
617 (*info->fprintf_func) (info->stream, ",r");
618 break;
619 case 'Z':
620 if (GET_FIELD (insn, 26, 26))
621 (*info->fprintf_func) (info->stream, ",m ");
622 else
623 (*info->fprintf_func) (info->stream, " ");
624 break;
625 case 'i':
626 if (GET_FIELD (insn, 25, 25))
627 (*info->fprintf_func) (info->stream, ",i");
628 break;
629 case 'z':
630 if (!GET_FIELD (insn, 21, 21))
631 (*info->fprintf_func) (info->stream, ",z");
632 break;
633 case 'a':
634 (*info->fprintf_func)
635 (info->stream, "%s", add_compl_names[GET_FIELD
636 (insn, 20, 21)]);
637 break;
638 case 'Y':
639 (*info->fprintf_func)
640 (info->stream, ",dc%s", add_compl_names[GET_FIELD
641 (insn, 20, 21)]);
642 break;
643 case 'y':
644 (*info->fprintf_func)
645 (info->stream, ",c%s", add_compl_names[GET_FIELD
646 (insn, 20, 21)]);
647 break;
648 case 'v':
649 if (GET_FIELD (insn, 20, 20))
650 (*info->fprintf_func) (info->stream, ",tsv");
651 break;
652 case 't':
653 (*info->fprintf_func) (info->stream, ",tc");
654 if (GET_FIELD (insn, 20, 20))
655 (*info->fprintf_func) (info->stream, ",tsv");
656 break;
657 case 'B':
658 (*info->fprintf_func) (info->stream, ",db");
659 if (GET_FIELD (insn, 20, 20))
660 (*info->fprintf_func) (info->stream, ",tsv");
661 break;
662 case 'b':
663 (*info->fprintf_func) (info->stream, ",b");
664 if (GET_FIELD (insn, 20, 20))
665 (*info->fprintf_func) (info->stream, ",tsv");
666 break;
667 case 'T':
668 if (GET_FIELD (insn, 25, 25))
669 (*info->fprintf_func) (info->stream, ",tc");
670 break;
671 case 'S':
672 /* EXTRD/W has a following condition. */
673 if (*(s + 1) == '?')
674 (*info->fprintf_func)
675 (info->stream, "%s", signed_unsigned_names[GET_FIELD
676 (insn, 21, 21)]);
677 else
678 (*info->fprintf_func)
679 (info->stream, "%s ", signed_unsigned_names[GET_FIELD
680 (insn, 21, 21)]);
681 break;
682 case 'h':
683 (*info->fprintf_func)
684 (info->stream, "%s", mix_half_names[GET_FIELD
685 (insn, 17, 17)]);
686 break;
687 case 'H':
688 (*info->fprintf_func)
689 (info->stream, "%s", saturation_names[GET_FIELD
690 (insn, 24, 25)]);
691 break;
692 case '*':
693 (*info->fprintf_func)
694 (info->stream, ",%d%d%d%d ",
695 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
696 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
697 break;
698
699 case 'q':
700 {
701 int m, a;
702
703 m = GET_FIELD (insn, 28, 28);
704 a = GET_FIELD (insn, 29, 29);
705
706 if (m && !a)
707 fputs_filtered (",ma ", info);
708 else if (m && a)
709 fputs_filtered (",mb ", info);
710 else
711 fputs_filtered (" ", info);
712 break;
713 }
714
715 case 'J':
716 {
717 int opc = GET_FIELD (insn, 0, 5);
718
719 if (opc == 0x16 || opc == 0x1e)
720 {
721 if (GET_FIELD (insn, 29, 29) == 0)
722 fputs_filtered (",ma ", info);
723 else
724 fputs_filtered (",mb ", info);
725 }
726 else
727 fputs_filtered (" ", info);
728 break;
729 }
730
731 case 'e':
732 {
733 int opc = GET_FIELD (insn, 0, 5);
734
735 if (opc == 0x13 || opc == 0x1b)
736 {
737 if (GET_FIELD (insn, 18, 18) == 1)
738 fputs_filtered (",mb ", info);
739 else
740 fputs_filtered (",ma ", info);
741 }
742 else if (opc == 0x17 || opc == 0x1f)
743 {
744 if (GET_FIELD (insn, 31, 31) == 1)
745 fputs_filtered (",ma ", info);
746 else
747 fputs_filtered (",mb ", info);
748 }
749 else
750 fputs_filtered (" ", info);
751
752 break;
753 }
754 }
755 break;
756
757 /* Handle conditions. */
758 case '?':
759 {
760 s++;
761 switch (*s)
762 {
763 case 'f':
764 (*info->fprintf_func) (info->stream, "%s ",
765 float_comp_names[GET_FIELD
766 (insn, 27, 31)]);
767 break;
768
769 /* these four conditions are for the set of instructions
770 which distinguish true/false conditions by opcode
771 rather than by the 'f' bit (sigh): comb, comib,
772 addb, addib */
773 case 't':
774 fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)],
775 info);
776 break;
777 case 'n':
778 fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)
779 + GET_FIELD (insn, 4, 4) * 8], info);
780 break;
781 case 'N':
782 fputs_filtered (compare_cond_64_names[GET_FIELD (insn, 16, 18)
783 + GET_FIELD (insn, 2, 2) * 8], info);
784 break;
785 case 'Q':
786 fputs_filtered (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
787 info);
788 break;
789 case '@':
790 fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18)
791 + GET_FIELD (insn, 4, 4) * 8], info);
792 break;
793 case 's':
794 (*info->fprintf_func) (info->stream, "%s ",
795 compare_cond_names[GET_COND (insn)]);
796 break;
797 case 'S':
798 (*info->fprintf_func) (info->stream, "%s ",
799 compare_cond_64_names[GET_COND (insn)]);
800 break;
801 case 'a':
802 (*info->fprintf_func) (info->stream, "%s ",
803 add_cond_names[GET_COND (insn)]);
804 break;
805 case 'A':
806 (*info->fprintf_func) (info->stream, "%s ",
807 add_cond_64_names[GET_COND (insn)]);
808 break;
809 case 'd':
810 (*info->fprintf_func) (info->stream, "%s",
811 add_cond_names[GET_FIELD (insn, 16, 18)]);
812 break;
813
814 case 'W':
815 (*info->fprintf_func)
816 (info->stream, "%s",
817 wide_add_cond_names[GET_FIELD (insn, 16, 18) +
818 GET_FIELD (insn, 4, 4) * 8]);
819 break;
820
821 case 'l':
822 (*info->fprintf_func) (info->stream, "%s ",
823 logical_cond_names[GET_COND (insn)]);
824 break;
825 case 'L':
826 (*info->fprintf_func) (info->stream, "%s ",
827 logical_cond_64_names[GET_COND (insn)]);
828 break;
829 case 'u':
830 (*info->fprintf_func) (info->stream, "%s ",
831 unit_cond_names[GET_COND (insn)]);
832 break;
833 case 'U':
834 (*info->fprintf_func) (info->stream, "%s ",
835 unit_cond_64_names[GET_COND (insn)]);
836 break;
837 case 'y':
838 case 'x':
839 case 'b':
840 (*info->fprintf_func)
841 (info->stream, "%s",
842 shift_cond_names[GET_FIELD (insn, 16, 18)]);
843
844 /* If the next character in args is 'n', it will handle
845 putting out the space. */
846 if (s[1] != 'n')
847 (*info->fprintf_func) (info->stream, " ");
848 break;
849 case 'X':
850 (*info->fprintf_func) (info->stream, "%s ",
851 shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
852 break;
853 case 'B':
854 (*info->fprintf_func)
855 (info->stream, "%s",
856 bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
857
858 /* If the next character in args is 'n', it will handle
859 putting out the space. */
860 if (s[1] != 'n')
861 (*info->fprintf_func) (info->stream, " ");
862 break;
863 }
864 break;
865 }
866
867 case 'V':
868 fput_const (extract_5_store (insn), info);
869 break;
870 case 'r':
871 fput_const (extract_5r_store (insn), info);
872 break;
873 case 'R':
874 fput_const (extract_5R_store (insn), info);
875 break;
876 case 'U':
877 fput_const (extract_10U_store (insn), info);
878 break;
879 case 'B':
880 case 'Q':
881 fput_const (extract_5Q_store (insn), info);
882 break;
883 case 'i':
884 fput_const (extract_11 (insn), info);
885 break;
886 case 'j':
887 fput_const (extract_14 (insn), info);
888 break;
889 case 'k':
890 fput_const (extract_21 (insn), info);
891 break;
892 case '<':
893 case 'l':
894 /* 16-bit long disp., PA2.0 wide only. */
895 fput_const (extract_16 (insn), info);
896 break;
897 case 'n':
898 if (insn & 0x2)
899 (*info->fprintf_func) (info->stream, ",n ");
900 else
901 (*info->fprintf_func) (info->stream, " ");
902 break;
903 case 'N':
904 if ((insn & 0x20) && s[1])
905 (*info->fprintf_func) (info->stream, ",n ");
906 else if (insn & 0x20)
907 (*info->fprintf_func) (info->stream, ",n");
908 else if (s[1])
909 (*info->fprintf_func) (info->stream, " ");
910 break;
911 case 'w':
912 (*info->print_address_func) (memaddr + 8 + extract_12 (insn),
913 info);
914 break;
915 case 'W':
916 /* 17 bit PC-relative branch. */
917 (*info->print_address_func) ((memaddr + 8
918 + extract_17 (insn)),
919 info);
920 break;
921 case 'z':
922 /* 17 bit displacement. This is an offset from a register
923 so it gets disasssembled as just a number, not any sort
924 of address. */
925 fput_const (extract_17 (insn), info);
926 break;
927
928 case 'Z':
929 /* addil %r1 implicit output. */
930 (*info->fprintf_func) (info->stream, "%%r1");
931 break;
932
933 case 'Y':
934 /* be,l %sr0,%r31 implicit output. */
935 (*info->fprintf_func) (info->stream, "%%sr0,%%r31");
936 break;
937
938 case '@':
939 (*info->fprintf_func) (info->stream, "0");
940 break;
941
942 case '.':
943 (*info->fprintf_func) (info->stream, "%d",
944 GET_FIELD (insn, 24, 25));
945 break;
946 case '*':
947 (*info->fprintf_func) (info->stream, "%d",
948 GET_FIELD (insn, 22, 25));
949 break;
950 case '!':
951 (*info->fprintf_func) (info->stream, "%%sar");
952 break;
953 case 'p':
954 (*info->fprintf_func) (info->stream, "%d",
955 31 - GET_FIELD (insn, 22, 26));
956 break;
957 case '~':
958 {
959 int num;
960 num = GET_FIELD (insn, 20, 20) << 5;
961 num |= GET_FIELD (insn, 22, 26);
962 (*info->fprintf_func) (info->stream, "%d", 63 - num);
963 break;
964 }
965 case 'P':
966 (*info->fprintf_func) (info->stream, "%d",
967 GET_FIELD (insn, 22, 26));
968 break;
969 case 'q':
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", num);
975 break;
976 }
977 case 'T':
978 (*info->fprintf_func) (info->stream, "%d",
979 32 - GET_FIELD (insn, 27, 31));
980 break;
981 case '%':
982 {
983 int num;
984 num = (GET_FIELD (insn, 23, 23) + 1) * 32;
985 num -= GET_FIELD (insn, 27, 31);
986 (*info->fprintf_func) (info->stream, "%d", num);
987 break;
988 }
989 case '|':
990 {
991 int num;
992 num = (GET_FIELD (insn, 19, 19) + 1) * 32;
993 num -= GET_FIELD (insn, 27, 31);
994 (*info->fprintf_func) (info->stream, "%d", num);
995 break;
996 }
997 case '$':
998 fput_const (GET_FIELD (insn, 20, 28), info);
999 break;
1000 case 'A':
1001 fput_const (GET_FIELD (insn, 6, 18), info);
1002 break;
1003 case 'D':
1004 fput_const (GET_FIELD (insn, 6, 31), info);
1005 break;
1006 case 'v':
1007 (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
1008 break;
1009 case 'O':
1010 fput_const ((GET_FIELD (insn, 6,20) << 5 |
1011 GET_FIELD (insn, 27, 31)), info);
1012 break;
1013 case 'o':
1014 fput_const (GET_FIELD (insn, 6, 20), info);
1015 break;
1016 case '2':
1017 fput_const ((GET_FIELD (insn, 6, 22) << 5 |
1018 GET_FIELD (insn, 27, 31)), info);
1019 break;
1020 case '1':
1021 fput_const ((GET_FIELD (insn, 11, 20) << 5 |
1022 GET_FIELD (insn, 27, 31)), info);
1023 break;
1024 case '0':
1025 fput_const ((GET_FIELD (insn, 16, 20) << 5 |
1026 GET_FIELD (insn, 27, 31)), info);
1027 break;
1028 case 'u':
1029 (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25));
1030 break;
1031 case 'F':
1032 /* if no destination completer and not before a completer
1033 for fcmp, need a space here */
1034 if (s[1] == 'G' || s[1] == '?')
1035 fputs_filtered (float_format_names[GET_FIELD (insn, 19, 20)],
1036 info);
1037 else
1038 (*info->fprintf_func) (info->stream, "%s ",
1039 float_format_names[GET_FIELD
1040 (insn, 19, 20)]);
1041 break;
1042 case 'G':
1043 (*info->fprintf_func) (info->stream, "%s ",
1044 float_format_names[GET_FIELD (insn,
1045 17, 18)]);
1046 break;
1047 case 'H':
1048 if (GET_FIELD (insn, 26, 26) == 1)
1049 (*info->fprintf_func) (info->stream, "%s ",
1050 float_format_names[0]);
1051 else
1052 (*info->fprintf_func) (info->stream, "%s ",
1053 float_format_names[1]);
1054 break;
1055 case 'I':
1056 /* if no destination completer and not before a completer
1057 for fcmp, need a space here */
1058 if (s[1] == '?')
1059 fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)],
1060 info);
1061 else
1062 (*info->fprintf_func) (info->stream, "%s ",
1063 float_format_names[GET_FIELD
1064 (insn, 20, 20)]);
1065 break;
1066
1067 case 'J':
1068 fput_const (extract_14 (insn), info);
1069 break;
1070
1071 case '#':
1072 {
1073 int sign = GET_FIELD (insn, 31, 31);
1074 int imm10 = GET_FIELD (insn, 18, 27);
1075 int disp;
1076
1077 if (sign)
1078 disp = (-1 << 10) | imm10;
1079 else
1080 disp = imm10;
1081
1082 disp <<= 3;
1083 fput_const (disp, info);
1084 break;
1085 }
1086 case 'K':
1087 case 'd':
1088 {
1089 int sign = GET_FIELD (insn, 31, 31);
1090 int imm11 = GET_FIELD (insn, 18, 28);
1091 int disp;
1092
1093 if (sign)
1094 disp = (-1 << 11) | imm11;
1095 else
1096 disp = imm11;
1097
1098 disp <<= 2;
1099 fput_const (disp, info);
1100 break;
1101 }
1102
1103 case '>':
1104 case 'y':
1105 {
1106 /* 16-bit long disp., PA2.0 wide only. */
1107 int disp = extract_16 (insn);
1108 disp &= ~3;
1109 fput_const (disp, info);
1110 break;
1111 }
1112
1113 case '&':
1114 {
1115 /* 16-bit long disp., PA2.0 wide only. */
1116 int disp = extract_16 (insn);
1117 disp &= ~7;
1118 fput_const (disp, info);
1119 break;
1120 }
1121
1122 /* ?!? FIXME */
1123 case '_':
1124 case '{':
1125 fputs_filtered ("Disassembler botch.\n", info);
1126 break;
1127
1128 case 'm':
1129 {
1130 int y = GET_FIELD (insn, 16, 18);
1131
1132 if (y != 1)
1133 fput_const ((y ^ 1) - 1, info);
1134 }
1135 break;
1136
1137 case 'h':
1138 {
1139 int cbit;
1140
1141 cbit = GET_FIELD (insn, 16, 18);
1142
1143 if (cbit > 0)
1144 (*info->fprintf_func) (info->stream, ",%d", cbit - 1);
1145 break;
1146 }
1147
1148 case '=':
1149 {
1150 int cond = GET_FIELD (insn, 27, 31);
1151
1152 if (cond == 0)
1153 fputs_filtered (" ", info);
1154 else if (cond == 1)
1155 fputs_filtered ("acc ", info);
1156 else if (cond == 2)
1157 fputs_filtered ("rej ", info);
1158 else if (cond == 5)
1159 fputs_filtered ("acc8 ", info);
1160 else if (cond == 6)
1161 fputs_filtered ("rej8 ", info);
1162 else if (cond == 9)
1163 fputs_filtered ("acc6 ", info);
1164 else if (cond == 13)
1165 fputs_filtered ("acc4 ", info);
1166 else if (cond == 17)
1167 fputs_filtered ("acc2 ", info);
1168 break;
1169 }
1170
1171 case 'X':
1172 (*info->print_address_func) ((memaddr + 8
1173 + extract_22 (insn)),
1174 info);
1175 break;
1176 case 'L':
1177 fputs_filtered (",%r2", info);
1178 break;
1179 default:
1180 (*info->fprintf_func) (info->stream, "%c", *s);
1181 break;
1182 }
1183 }
1184 return sizeof(insn);
1185 }
1186 }
1187 (*info->fprintf_func) (info->stream, "#%8x", insn);
1188 return sizeof(insn);
1189}
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