source: vendor/binutils/current/opcodes/hppa-dis.c

Last change on this file was 609, checked in by bird, 22 years ago

binutils v2.14 - offical sources.
  • Property cvs2svn:cvs-rev set to 1.1.1.2
  • Property svn:eol-style set to native
  • Property svn:executable set to *
File size: 32.1 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, 2003
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 fcnv_fixed_names[] = {",w", ",dw", "", ",qw"};
127static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"};
128static const char *const float_comp_names[] =
129{
130 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>",
131 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>",
132 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<",
133 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true"
134};
135static const char *const signed_unsigned_names[] = {",u", ",s"};
136static const char *const mix_half_names[] = {",l", ",r"};
137static const char *const saturation_names[] = {",us", ",ss", 0, ""};
138static const char *const read_write_names[] = {",r", ",w"};
139static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" };
140
141/* For a bunch of different instructions form an index into a
142 completer name table. */
143#define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \
144 GET_FIELD (insn, 18, 18) << 1)
145
146#define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \
147 (GET_FIELD ((insn), 19, 19) ? 8 : 0))
148
149static void fput_reg PARAMS ((unsigned int, disassemble_info *));
150static void fput_fp_reg PARAMS ((unsigned int, disassemble_info *));
151static void fput_fp_reg_r PARAMS ((unsigned int, disassemble_info *));
152static void fput_creg PARAMS ((unsigned int, disassemble_info *));
153static void fput_const PARAMS ((unsigned int, disassemble_info *));
154static int extract_3 PARAMS ((unsigned int));
155static int extract_5_load PARAMS ((unsigned int));
156static int extract_5_store PARAMS ((unsigned int));
157static unsigned extract_5r_store PARAMS ((unsigned int));
158static unsigned extract_5R_store PARAMS ((unsigned int));
159static unsigned extract_10U_store PARAMS ((unsigned int));
160static unsigned extract_5Q_store PARAMS ((unsigned int));
161static int extract_11 PARAMS ((unsigned int));
162static int extract_14 PARAMS ((unsigned int));
163static int extract_16 PARAMS ((unsigned int));
164static int extract_21 PARAMS ((unsigned int));
165static int extract_12 PARAMS ((unsigned int));
166static int extract_17 PARAMS ((unsigned int));
167static int extract_22 PARAMS ((unsigned int));
168
169/* Utility function to print registers. Put these first, so gcc's function
170 inlining can do its stuff. */
171
172#define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR)
173
174static void
175fput_reg (reg, info)
176 unsigned reg;
177 disassemble_info *info;
178{
179 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0");
180}
181
182static void
183fput_fp_reg (reg, info)
184 unsigned reg;
185 disassemble_info *info;
186{
187 (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0");
188}
189
190static void
191fput_fp_reg_r (reg, info)
192 unsigned reg;
193 disassemble_info *info;
194{
195 /* Special case floating point exception registers. */
196 if (reg < 4)
197 (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1);
198 else
199 (*info->fprintf_func) (info->stream, "%sR",
200 reg ? fp_reg_names[reg] : "fr0");
201}
202
203static void
204fput_creg (reg, info)
205 unsigned reg;
206 disassemble_info *info;
207{
208 (*info->fprintf_func) (info->stream, control_reg[reg]);
209}
210
211/* Print constants with sign. */
212
213static void
214fput_const (num, info)
215 unsigned num;
216 disassemble_info *info;
217{
218 if ((int)num < 0)
219 (*info->fprintf_func) (info->stream, "-%x", -(int)num);
220 else
221 (*info->fprintf_func) (info->stream, "%x", num);
222}
223
224/* Routines to extract various sized constants out of hppa
225 instructions. */
226
227/* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */
228static int
229extract_3 (word)
230 unsigned word;
231{
232 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17);
233}
234
235static int
236extract_5_load (word)
237 unsigned word;
238{
239 return low_sign_extend (word >> 16 & MASK_5, 5);
240}
241
242/* Extract the immediate field from a st{bhw}s instruction. */
243static int
244extract_5_store (word)
245 unsigned word;
246{
247 return low_sign_extend (word & MASK_5, 5);
248}
249
250/* Extract the immediate field from a break instruction. */
251static unsigned
252extract_5r_store (word)
253 unsigned word;
254{
255 return (word & MASK_5);
256}
257
258/* Extract the immediate field from a {sr}sm instruction. */
259static unsigned
260extract_5R_store (word)
261 unsigned word;
262{
263 return (word >> 16 & MASK_5);
264}
265
266/* Extract the 10 bit immediate field from a {sr}sm instruction. */
267static unsigned
268extract_10U_store (word)
269 unsigned word;
270{
271 return (word >> 16 & MASK_10);
272}
273
274/* Extract the immediate field from a bb instruction. */
275static unsigned
276extract_5Q_store (word)
277 unsigned word;
278{
279 return (word >> 21 & MASK_5);
280}
281
282/* Extract an 11 bit immediate field. */
283static int
284extract_11 (word)
285 unsigned word;
286{
287 return low_sign_extend (word & MASK_11, 11);
288}
289
290/* Extract a 14 bit immediate field. */
291static int
292extract_14 (word)
293 unsigned word;
294{
295 return low_sign_extend (word & MASK_14, 14);
296}
297
298/* Extract a 16 bit immediate field (PA2.0 wide only). */
299static int
300extract_16 (word)
301 unsigned word;
302{
303 int m15, m0, m1;
304 m0 = GET_BIT (word, 16);
305 m1 = GET_BIT (word, 17);
306 m15 = GET_BIT (word, 31);
307 word = (word >> 1) & 0x1fff;
308 word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13);
309 return sign_extend (word, 16);
310}
311
312/* Extract a 21 bit constant. */
313
314static int
315extract_21 (word)
316 unsigned word;
317{
318 int val;
319
320 word &= MASK_21;
321 word <<= 11;
322 val = GET_FIELD (word, 20, 20);
323 val <<= 11;
324 val |= GET_FIELD (word, 9, 19);
325 val <<= 2;
326 val |= GET_FIELD (word, 5, 6);
327 val <<= 5;
328 val |= GET_FIELD (word, 0, 4);
329 val <<= 2;
330 val |= GET_FIELD (word, 7, 8);
331 return sign_extend (val, 21) << 11;
332}
333
334/* Extract a 12 bit constant from branch instructions. */
335
336static int
337extract_12 (word)
338 unsigned word;
339{
340 return sign_extend (GET_FIELD (word, 19, 28) |
341 GET_FIELD (word, 29, 29) << 10 |
342 (word & 0x1) << 11, 12) << 2;
343}
344
345/* Extract a 17 bit constant from branch instructions, returning the
346 19 bit signed value. */
347
348static int
349extract_17 (word)
350 unsigned word;
351{
352 return sign_extend (GET_FIELD (word, 19, 28) |
353 GET_FIELD (word, 29, 29) << 10 |
354 GET_FIELD (word, 11, 15) << 11 |
355 (word & 0x1) << 16, 17) << 2;
356}
357
358static int
359extract_22 (word)
360 unsigned word;
361{
362 return sign_extend (GET_FIELD (word, 19, 28) |
363 GET_FIELD (word, 29, 29) << 10 |
364 GET_FIELD (word, 11, 15) << 11 |
365 GET_FIELD (word, 6, 10) << 16 |
366 (word & 0x1) << 21, 22) << 2;
367}
368
369/* Print one instruction. */
370int
371print_insn_hppa (memaddr, info)
372 bfd_vma memaddr;
373 disassemble_info *info;
374{
375 bfd_byte buffer[4];
376 unsigned int insn, i;
377
378 {
379 int status =
380 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info);
381 if (status != 0)
382 {
383 (*info->memory_error_func) (status, memaddr, info);
384 return -1;
385 }
386 }
387
388 insn = bfd_getb32 (buffer);
389
390 for (i = 0; i < NUMOPCODES; ++i)
391 {
392 const struct pa_opcode *opcode = &pa_opcodes[i];
393 if ((insn & opcode->mask) == opcode->match)
394 {
395 register const char *s;
396#ifndef BFD64
397 if (opcode->arch == pa20w)
398 continue;
399#endif
400 (*info->fprintf_func) (info->stream, "%s", opcode->name);
401
402 if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0]))
403 (*info->fprintf_func) (info->stream, " ");
404 for (s = opcode->args; *s != '\0'; ++s)
405 {
406 switch (*s)
407 {
408 case 'x':
409 fput_reg (GET_FIELD (insn, 11, 15), info);
410 break;
411 case 'a':
412 case 'b':
413 fput_reg (GET_FIELD (insn, 6, 10), info);
414 break;
415 case '^':
416 fput_creg (GET_FIELD (insn, 6, 10), info);
417 break;
418 case 't':
419 fput_reg (GET_FIELD (insn, 27, 31), info);
420 break;
421
422 /* Handle floating point registers. */
423 case 'f':
424 switch (*++s)
425 {
426 case 't':
427 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
428 break;
429 case 'T':
430 if (GET_FIELD (insn, 25, 25))
431 fput_fp_reg_r (GET_FIELD (insn, 27, 31), info);
432 else
433 fput_fp_reg (GET_FIELD (insn, 27, 31), info);
434 break;
435 case 'a':
436 if (GET_FIELD (insn, 25, 25))
437 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
438 else
439 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
440 break;
441
442 /* 'fA' will not generate a space before the regsiter
443 name. Normally that is fine. Except that it
444 causes problems with xmpyu which has no FP format
445 completer. */
446 case 'X':
447 fputs_filtered (" ", info);
448 /* FALLTHRU */
449
450 case 'A':
451 if (GET_FIELD (insn, 24, 24))
452 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info);
453 else
454 fput_fp_reg (GET_FIELD (insn, 6, 10), info);
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 /* FALLTHRU */
526
527 case 'e':
528 if (GET_FIELD (insn, 30, 30))
529 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info);
530 else
531 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
532 break;
533 case 'x':
534 fput_fp_reg (GET_FIELD (insn, 11, 15), info);
535 break;
536 }
537 break;
538
539 case '5':
540 fput_const (extract_5_load (insn), info);
541 break;
542 case 's':
543 {
544 int space = GET_FIELD (insn, 16, 17);
545 /* Zero means implicit addressing, not use of sr0. */
546 if (space != 0)
547 (*info->fprintf_func) (info->stream, "sr%d", space);
548 }
549 break;
550
551 case 'S':
552 (*info->fprintf_func) (info->stream, "sr%d",
553 extract_3 (insn));
554 break;
555
556 /* Handle completers. */
557 case 'c':
558 switch (*++s)
559 {
560 case 'x':
561 (*info->fprintf_func)
562 (info->stream, "%s",
563 index_compl_names[GET_COMPL (insn)]);
564 break;
565 case 'X':
566 (*info->fprintf_func)
567 (info->stream, "%s ",
568 index_compl_names[GET_COMPL (insn)]);
569 break;
570 case 'm':
571 (*info->fprintf_func)
572 (info->stream, "%s",
573 short_ldst_compl_names[GET_COMPL (insn)]);
574 break;
575 case 'M':
576 (*info->fprintf_func)
577 (info->stream, "%s ",
578 short_ldst_compl_names[GET_COMPL (insn)]);
579 break;
580 case 'A':
581 (*info->fprintf_func)
582 (info->stream, "%s ",
583 short_bytes_compl_names[GET_COMPL (insn)]);
584 break;
585 case 's':
586 (*info->fprintf_func)
587 (info->stream, "%s",
588 short_bytes_compl_names[GET_COMPL (insn)]);
589 break;
590 case 'c':
591 case 'C':
592 switch (GET_FIELD (insn, 20, 21))
593 {
594 case 1:
595 (*info->fprintf_func) (info->stream, ",bc ");
596 break;
597 case 2:
598 (*info->fprintf_func) (info->stream, ",sl ");
599 break;
600 default:
601 (*info->fprintf_func) (info->stream, " ");
602 }
603 break;
604 case 'd':
605 switch (GET_FIELD (insn, 20, 21))
606 {
607 case 1:
608 (*info->fprintf_func) (info->stream, ",co ");
609 break;
610 default:
611 (*info->fprintf_func) (info->stream, " ");
612 }
613 break;
614 case 'o':
615 (*info->fprintf_func) (info->stream, ",o");
616 break;
617 case 'g':
618 (*info->fprintf_func) (info->stream, ",gate");
619 break;
620 case 'p':
621 (*info->fprintf_func) (info->stream, ",l,push");
622 break;
623 case 'P':
624 (*info->fprintf_func) (info->stream, ",pop");
625 break;
626 case 'l':
627 case 'L':
628 (*info->fprintf_func) (info->stream, ",l");
629 break;
630 case 'w':
631 (*info->fprintf_func)
632 (info->stream, "%s ",
633 read_write_names[GET_FIELD (insn, 25, 25)]);
634 break;
635 case 'W':
636 (*info->fprintf_func) (info->stream, ",w");
637 break;
638 case 'r':
639 if (GET_FIELD (insn, 23, 26) == 5)
640 (*info->fprintf_func) (info->stream, ",r");
641 break;
642 case 'Z':
643 if (GET_FIELD (insn, 26, 26))
644 (*info->fprintf_func) (info->stream, ",m ");
645 else
646 (*info->fprintf_func) (info->stream, " ");
647 break;
648 case 'i':
649 if (GET_FIELD (insn, 25, 25))
650 (*info->fprintf_func) (info->stream, ",i");
651 break;
652 case 'z':
653 if (!GET_FIELD (insn, 21, 21))
654 (*info->fprintf_func) (info->stream, ",z");
655 break;
656 case 'a':
657 (*info->fprintf_func)
658 (info->stream, "%s",
659 add_compl_names[GET_FIELD (insn, 20, 21)]);
660 break;
661 case 'Y':
662 (*info->fprintf_func)
663 (info->stream, ",dc%s",
664 add_compl_names[GET_FIELD (insn, 20, 21)]);
665 break;
666 case 'y':
667 (*info->fprintf_func)
668 (info->stream, ",c%s",
669 add_compl_names[GET_FIELD (insn, 20, 21)]);
670 break;
671 case 'v':
672 if (GET_FIELD (insn, 20, 20))
673 (*info->fprintf_func) (info->stream, ",tsv");
674 break;
675 case 't':
676 (*info->fprintf_func) (info->stream, ",tc");
677 if (GET_FIELD (insn, 20, 20))
678 (*info->fprintf_func) (info->stream, ",tsv");
679 break;
680 case 'B':
681 (*info->fprintf_func) (info->stream, ",db");
682 if (GET_FIELD (insn, 20, 20))
683 (*info->fprintf_func) (info->stream, ",tsv");
684 break;
685 case 'b':
686 (*info->fprintf_func) (info->stream, ",b");
687 if (GET_FIELD (insn, 20, 20))
688 (*info->fprintf_func) (info->stream, ",tsv");
689 break;
690 case 'T':
691 if (GET_FIELD (insn, 25, 25))
692 (*info->fprintf_func) (info->stream, ",tc");
693 break;
694 case 'S':
695 /* EXTRD/W has a following condition. */
696 if (*(s + 1) == '?')
697 (*info->fprintf_func)
698 (info->stream, "%s",
699 signed_unsigned_names[GET_FIELD (insn, 21, 21)]);
700 else
701 (*info->fprintf_func)
702 (info->stream, "%s ",
703 signed_unsigned_names[GET_FIELD (insn, 21, 21)]);
704 break;
705 case 'h':
706 (*info->fprintf_func)
707 (info->stream, "%s",
708 mix_half_names[GET_FIELD (insn, 17, 17)]);
709 break;
710 case 'H':
711 (*info->fprintf_func)
712 (info->stream, "%s ",
713 saturation_names[GET_FIELD (insn, 24, 25)]);
714 break;
715 case '*':
716 (*info->fprintf_func)
717 (info->stream, ",%d%d%d%d ",
718 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21),
719 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25));
720 break;
721
722 case 'q':
723 {
724 int m, a;
725
726 m = GET_FIELD (insn, 28, 28);
727 a = GET_FIELD (insn, 29, 29);
728
729 if (m && !a)
730 fputs_filtered (",ma ", info);
731 else if (m && a)
732 fputs_filtered (",mb ", info);
733 else
734 fputs_filtered (" ", info);
735 break;
736 }
737
738 case 'J':
739 {
740 int opc = GET_FIELD (insn, 0, 5);
741
742 if (opc == 0x16 || opc == 0x1e)
743 {
744 if (GET_FIELD (insn, 29, 29) == 0)
745 fputs_filtered (",ma ", info);
746 else
747 fputs_filtered (",mb ", info);
748 }
749 else
750 fputs_filtered (" ", info);
751 break;
752 }
753
754 case 'e':
755 {
756 int opc = GET_FIELD (insn, 0, 5);
757
758 if (opc == 0x13 || opc == 0x1b)
759 {
760 if (GET_FIELD (insn, 18, 18) == 1)
761 fputs_filtered (",mb ", info);
762 else
763 fputs_filtered (",ma ", info);
764 }
765 else if (opc == 0x17 || opc == 0x1f)
766 {
767 if (GET_FIELD (insn, 31, 31) == 1)
768 fputs_filtered (",ma ", info);
769 else
770 fputs_filtered (",mb ", info);
771 }
772 else
773 fputs_filtered (" ", info);
774
775 break;
776 }
777 }
778 break;
779
780 /* Handle conditions. */
781 case '?':
782 {
783 s++;
784 switch (*s)
785 {
786 case 'f':
787 (*info->fprintf_func)
788 (info->stream, "%s ",
789 float_comp_names[GET_FIELD (insn, 27, 31)]);
790 break;
791
792 /* these four conditions are for the set of instructions
793 which distinguish true/false conditions by opcode
794 rather than by the 'f' bit (sigh): comb, comib,
795 addb, addib */
796 case 't':
797 fputs_filtered
798 (compare_cond_names[GET_FIELD (insn, 16, 18)], info);
799 break;
800 case 'n':
801 fputs_filtered
802 (compare_cond_names[GET_FIELD (insn, 16, 18)
803 + GET_FIELD (insn, 4, 4) * 8],
804 info);
805 break;
806 case 'N':
807 fputs_filtered
808 (compare_cond_64_names[GET_FIELD (insn, 16, 18)
809 + GET_FIELD (insn, 2, 2) * 8],
810 info);
811 break;
812 case 'Q':
813 fputs_filtered
814 (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)],
815 info);
816 break;
817 case '@':
818 fputs_filtered
819 (add_cond_names[GET_FIELD (insn, 16, 18)
820 + GET_FIELD (insn, 4, 4) * 8],
821 info);
822 break;
823 case 's':
824 (*info->fprintf_func)
825 (info->stream, "%s ",
826 compare_cond_names[GET_COND (insn)]);
827 break;
828 case 'S':
829 (*info->fprintf_func)
830 (info->stream, "%s ",
831 compare_cond_64_names[GET_COND (insn)]);
832 break;
833 case 'a':
834 (*info->fprintf_func)
835 (info->stream, "%s ",
836 add_cond_names[GET_COND (insn)]);
837 break;
838 case 'A':
839 (*info->fprintf_func)
840 (info->stream, "%s ",
841 add_cond_64_names[GET_COND (insn)]);
842 break;
843 case 'd':
844 (*info->fprintf_func)
845 (info->stream, "%s",
846 add_cond_names[GET_FIELD (insn, 16, 18)]);
847 break;
848
849 case 'W':
850 (*info->fprintf_func)
851 (info->stream, "%s",
852 wide_add_cond_names[GET_FIELD (insn, 16, 18) +
853 GET_FIELD (insn, 4, 4) * 8]);
854 break;
855
856 case 'l':
857 (*info->fprintf_func)
858 (info->stream, "%s ",
859 logical_cond_names[GET_COND (insn)]);
860 break;
861 case 'L':
862 (*info->fprintf_func)
863 (info->stream, "%s ",
864 logical_cond_64_names[GET_COND (insn)]);
865 break;
866 case 'u':
867 (*info->fprintf_func)
868 (info->stream, "%s ",
869 unit_cond_names[GET_COND (insn)]);
870 break;
871 case 'U':
872 (*info->fprintf_func)
873 (info->stream, "%s ",
874 unit_cond_64_names[GET_COND (insn)]);
875 break;
876 case 'y':
877 case 'x':
878 case 'b':
879 (*info->fprintf_func)
880 (info->stream, "%s",
881 shift_cond_names[GET_FIELD (insn, 16, 18)]);
882
883 /* If the next character in args is 'n', it will handle
884 putting out the space. */
885 if (s[1] != 'n')
886 (*info->fprintf_func) (info->stream, " ");
887 break;
888 case 'X':
889 (*info->fprintf_func)
890 (info->stream, "%s ",
891 shift_cond_64_names[GET_FIELD (insn, 16, 18)]);
892 break;
893 case 'B':
894 (*info->fprintf_func)
895 (info->stream, "%s",
896 bb_cond_64_names[GET_FIELD (insn, 16, 16)]);
897
898 /* If the next character in args is 'n', it will handle
899 putting out the space. */
900 if (s[1] != 'n')
901 (*info->fprintf_func) (info->stream, " ");
902 break;
903 }
904 break;
905 }
906
907 case 'V':
908 fput_const (extract_5_store (insn), info);
909 break;
910 case 'r':
911 fput_const (extract_5r_store (insn), info);
912 break;
913 case 'R':
914 fput_const (extract_5R_store (insn), info);
915 break;
916 case 'U':
917 fput_const (extract_10U_store (insn), info);
918 break;
919 case 'B':
920 case 'Q':
921 fput_const (extract_5Q_store (insn), info);
922 break;
923 case 'i':
924 fput_const (extract_11 (insn), info);
925 break;
926 case 'j':
927 fput_const (extract_14 (insn), info);
928 break;
929 case 'k':
930 fput_const (extract_21 (insn), info);
931 break;
932 case '<':
933 case 'l':
934 /* 16-bit long disp., PA2.0 wide only. */
935 fput_const (extract_16 (insn), info);
936 break;
937 case 'n':
938 if (insn & 0x2)
939 (*info->fprintf_func) (info->stream, ",n ");
940 else
941 (*info->fprintf_func) (info->stream, " ");
942 break;
943 case 'N':
944 if ((insn & 0x20) && s[1])
945 (*info->fprintf_func) (info->stream, ",n ");
946 else if (insn & 0x20)
947 (*info->fprintf_func) (info->stream, ",n");
948 else if (s[1])
949 (*info->fprintf_func) (info->stream, " ");
950 break;
951 case 'w':
952 (*info->print_address_func)
953 (memaddr + 8 + extract_12 (insn), info);
954 break;
955 case 'W':
956 /* 17 bit PC-relative branch. */
957 (*info->print_address_func)
958 ((memaddr + 8 + extract_17 (insn)), info);
959 break;
960 case 'z':
961 /* 17 bit displacement. This is an offset from a register
962 so it gets disasssembled as just a number, not any sort
963 of address. */
964 fput_const (extract_17 (insn), info);
965 break;
966
967 case 'Z':
968 /* addil %r1 implicit output. */
969 (*info->fprintf_func) (info->stream, "%%r1");
970 break;
971
972 case 'Y':
973 /* be,l %sr0,%r31 implicit output. */
974 (*info->fprintf_func) (info->stream, "%%sr0,%%r31");
975 break;
976
977 case '@':
978 (*info->fprintf_func) (info->stream, "0");
979 break;
980
981 case '.':
982 (*info->fprintf_func) (info->stream, "%d",
983 GET_FIELD (insn, 24, 25));
984 break;
985 case '*':
986 (*info->fprintf_func) (info->stream, "%d",
987 GET_FIELD (insn, 22, 25));
988 break;
989 case '!':
990 (*info->fprintf_func) (info->stream, "%%sar");
991 break;
992 case 'p':
993 (*info->fprintf_func) (info->stream, "%d",
994 31 - GET_FIELD (insn, 22, 26));
995 break;
996 case '~':
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", 63 - num);
1002 break;
1003 }
1004 case 'P':
1005 (*info->fprintf_func) (info->stream, "%d",
1006 GET_FIELD (insn, 22, 26));
1007 break;
1008 case 'q':
1009 {
1010 int num;
1011 num = GET_FIELD (insn, 20, 20) << 5;
1012 num |= GET_FIELD (insn, 22, 26);
1013 (*info->fprintf_func) (info->stream, "%d", num);
1014 break;
1015 }
1016 case 'T':
1017 (*info->fprintf_func) (info->stream, "%d",
1018 32 - GET_FIELD (insn, 27, 31));
1019 break;
1020 case '%':
1021 {
1022 int num;
1023 num = (GET_FIELD (insn, 23, 23) + 1) * 32;
1024 num -= GET_FIELD (insn, 27, 31);
1025 (*info->fprintf_func) (info->stream, "%d", num);
1026 break;
1027 }
1028 case '|':
1029 {
1030 int num;
1031 num = (GET_FIELD (insn, 19, 19) + 1) * 32;
1032 num -= GET_FIELD (insn, 27, 31);
1033 (*info->fprintf_func) (info->stream, "%d", num);
1034 break;
1035 }
1036 case '$':
1037 fput_const (GET_FIELD (insn, 20, 28), info);
1038 break;
1039 case 'A':
1040 fput_const (GET_FIELD (insn, 6, 18), info);
1041 break;
1042 case 'D':
1043 fput_const (GET_FIELD (insn, 6, 31), info);
1044 break;
1045 case 'v':
1046 (*info->fprintf_func) (info->stream, ",%d",
1047 GET_FIELD (insn, 23, 25));
1048 break;
1049 case 'O':
1050 fput_const ((GET_FIELD (insn, 6,20) << 5 |
1051 GET_FIELD (insn, 27, 31)), info);
1052 break;
1053 case 'o':
1054 fput_const (GET_FIELD (insn, 6, 20), info);
1055 break;
1056 case '2':
1057 fput_const ((GET_FIELD (insn, 6, 22) << 5 |
1058 GET_FIELD (insn, 27, 31)), info);
1059 break;
1060 case '1':
1061 fput_const ((GET_FIELD (insn, 11, 20) << 5 |
1062 GET_FIELD (insn, 27, 31)), info);
1063 break;
1064 case '0':
1065 fput_const ((GET_FIELD (insn, 16, 20) << 5 |
1066 GET_FIELD (insn, 27, 31)), info);
1067 break;
1068 case 'u':
1069 (*info->fprintf_func) (info->stream, ",%d",
1070 GET_FIELD (insn, 23, 25));
1071 break;
1072 case 'F':
1073 /* if no destination completer and not before a completer
1074 for fcmp, need a space here */
1075 if (s[1] == 'G' || s[1] == '?')
1076 fputs_filtered
1077 (float_format_names[GET_FIELD (insn, 19, 20)], info);
1078 else
1079 (*info->fprintf_func)
1080 (info->stream, "%s ",
1081 float_format_names[GET_FIELD (insn, 19, 20)]);
1082 break;
1083 case 'G':
1084 (*info->fprintf_func)
1085 (info->stream, "%s ",
1086 float_format_names[GET_FIELD (insn, 17, 18)]);
1087 break;
1088 case 'H':
1089 if (GET_FIELD (insn, 26, 26) == 1)
1090 (*info->fprintf_func) (info->stream, "%s ",
1091 float_format_names[0]);
1092 else
1093 (*info->fprintf_func) (info->stream, "%s ",
1094 float_format_names[1]);
1095 break;
1096 case 'I':
1097 /* if no destination completer and not before a completer
1098 for fcmp, need a space here */
1099 if (s[1] == '?')
1100 fputs_filtered
1101 (float_format_names[GET_FIELD (insn, 20, 20)], info);
1102 else
1103 (*info->fprintf_func)
1104 (info->stream, "%s ",
1105 float_format_names[GET_FIELD (insn, 20, 20)]);
1106 break;
1107
1108 case 'J':
1109 fput_const (extract_14 (insn), info);
1110 break;
1111
1112 case '#':
1113 {
1114 int sign = GET_FIELD (insn, 31, 31);
1115 int imm10 = GET_FIELD (insn, 18, 27);
1116 int disp;
1117
1118 if (sign)
1119 disp = (-1 << 10) | imm10;
1120 else
1121 disp = imm10;
1122
1123 disp <<= 3;
1124 fput_const (disp, info);
1125 break;
1126 }
1127 case 'K':
1128 case 'd':
1129 {
1130 int sign = GET_FIELD (insn, 31, 31);
1131 int imm11 = GET_FIELD (insn, 18, 28);
1132 int disp;
1133
1134 if (sign)
1135 disp = (-1 << 11) | imm11;
1136 else
1137 disp = imm11;
1138
1139 disp <<= 2;
1140 fput_const (disp, info);
1141 break;
1142 }
1143
1144 case '>':
1145 case 'y':
1146 {
1147 /* 16-bit long disp., PA2.0 wide only. */
1148 int disp = extract_16 (insn);
1149 disp &= ~3;
1150 fput_const (disp, info);
1151 break;
1152 }
1153
1154 case '&':
1155 {
1156 /* 16-bit long disp., PA2.0 wide only. */
1157 int disp = extract_16 (insn);
1158 disp &= ~7;
1159 fput_const (disp, info);
1160 break;
1161 }
1162
1163 case '_':
1164 break; /* Dealt with by '{' */
1165
1166 case '{':
1167 {
1168 int sub = GET_FIELD (insn, 14, 16);
1169 int df = GET_FIELD (insn, 17, 18);
1170 int sf = GET_FIELD (insn, 19, 20);
1171 const char * const * source = float_format_names;
1172 const char * const * dest = float_format_names;
1173 char *t = "";
1174 if (sub == 4)
1175 {
1176 fputs_filtered (",UND ", info);
1177 break;
1178 }
1179 if ((sub & 3) == 3)
1180 t = ",t";
1181 if ((sub & 3) == 1)
1182 source = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names;
1183 if (sub & 2)
1184 dest = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names;
1185
1186 (*info->fprintf_func) (info->stream, "%s%s%s ",
1187 t, source[sf], dest[df]);
1188 break;
1189 }
1190
1191 case 'm':
1192 {
1193 int y = GET_FIELD (insn, 16, 18);
1194
1195 if (y != 1)
1196 fput_const ((y ^ 1) - 1, info);
1197 }
1198 break;
1199
1200 case 'h':
1201 {
1202 int cbit;
1203
1204 cbit = GET_FIELD (insn, 16, 18);
1205
1206 if (cbit > 0)
1207 (*info->fprintf_func) (info->stream, ",%d", cbit - 1);
1208 break;
1209 }
1210
1211 case '=':
1212 {
1213 int cond = GET_FIELD (insn, 27, 31);
1214
1215 if (cond == 0)
1216 fputs_filtered (" ", info);
1217 else if (cond == 1)
1218 fputs_filtered ("acc ", info);
1219 else if (cond == 2)
1220 fputs_filtered ("rej ", info);
1221 else if (cond == 5)
1222 fputs_filtered ("acc8 ", info);
1223 else if (cond == 6)
1224 fputs_filtered ("rej8 ", info);
1225 else if (cond == 9)
1226 fputs_filtered ("acc6 ", info);
1227 else if (cond == 13)
1228 fputs_filtered ("acc4 ", info);
1229 else if (cond == 17)
1230 fputs_filtered ("acc2 ", info);
1231 break;
1232 }
1233
1234 case 'X':
1235 (*info->print_address_func)
1236 (memaddr + 8 + extract_22 (insn), info);
1237 break;
1238 case 'L':
1239 fputs_filtered (",%r2", info);
1240 break;
1241 default:
1242 (*info->fprintf_func) (info->stream, "%c", *s);
1243 break;
1244 }
1245 }
1246 return sizeof(insn);
1247 }
1248 }
1249 (*info->fprintf_func) (info->stream, "#%8x", insn);
1250 return sizeof(insn);
1251}
Note: See TracBrowser for help on using the repository browser.