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. */ 32static 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. */ 42static 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 51typedef 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. */ 73static 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 82static const char *const compare_cond_names[] = 83{ 84 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od", 85 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev" 86}; 87static const char *const compare_cond_64_names[] = 88{ 89 "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od", 90 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev" 91}; 92static const char *const cmpib_cond_64_names[] = 93{ 94 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>" 95}; 96static const char *const add_cond_names[] = 97{ 98 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od", 99 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev" 100}; 101static const char *const add_cond_64_names[] = 102{ 103 "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od", 104 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev" 105}; 106static const char *const wide_add_cond_names[] = 107{ 108 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=", 109 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>" 110}; 111static const char *const logical_cond_names[] = 112{ 113 "", ",=", ",<", ",<=", 0, 0, 0, ",od", 114 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"}; 115static const char *const logical_cond_64_names[] = 116{ 117 "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od", 118 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"}; 119static 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}; 124static 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}; 129static const char *const shift_cond_names[] = 130{ 131 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev" 132}; 133static const char *const shift_cond_64_names[] = 134{ 135 "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev" 136}; 137static const char *const bb_cond_64_names[] = 138{ 139 ",*<", ",*>=" 140}; 141static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"}; 142static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"}; 143static const char *const short_bytes_compl_names[] = 144{ 145 "", ",b,m", ",e", ",e,m" 146}; 147static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"}; 148static const char *const fcnv_fixed_names[] = {",w", ",dw", "", ",qw"}; 149static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"}; 150static const char *const float_comp_names[] = 151{ 152 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>", 153 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>", 154 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<", 155 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true" 156}; 157static const char *const signed_unsigned_names[] = {",u", ",s"}; 158static const char *const mix_half_names[] = {",l", ",r"}; 159static const char *const saturation_names[] = {",us", ",ss", 0, ""}; 160static const char *const read_write_names[] = {",r", ",w"}; 161static 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 176static void 177fput_reg (unsigned reg, disassemble_info *info) 178{ 179 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0"); 180} 181 182static void 183fput_fp_reg (unsigned reg, disassemble_info *info) 184{ 185 (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0"); 186} 187 188static void 189fput_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 199static void 200fput_creg (unsigned reg, disassemble_info *info) 201{ 202 (*info->fprintf_func) (info->stream, control_reg[reg]); 203} 204 205/* Print constants with sign. */ 206 207static void 208fput_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. */ 220static int 221extract_3 (unsigned word) 222{ 223 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17); 224} 225 226static int 227extract_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 234static int 235extract_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 242static unsigned 243extract_5r_store (unsigned word) 244{ 245 return (word & MASK_5); 246} 247 248/* Extract the immediate field from a {sr}sm instruction. */ 249 250static unsigned 251extract_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 258static unsigned 259extract_10U_store (unsigned word) 260{ 261 return (word >> 16 & MASK_10); 262} 263 264/* Extract the immediate field from a bb instruction. */ 265 266static unsigned 267extract_5Q_store (unsigned word) 268{ 269 return (word >> 21 & MASK_5); 270} 271 272/* Extract an 11 bit immediate field. */ 273 274static int 275extract_11 (unsigned word) 276{ 277 return low_sign_extend (word & MASK_11, 11); 278} 279 280/* Extract a 14 bit immediate field. */ 281 282static int 283extract_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 290static int 291extract_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 305static int 306extract_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 326static int 327extract_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 337static int 338extract_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 346static int 347extract_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 358int 359print_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} 1237