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 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 program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23#include "sysdep.h" 24#include "dis-asm.h" 25#include "libhppa.h" 26#include "opcode/hppa.h" 27 28/* Integer register names, indexed by the numbers which appear in the 29 opcodes. */ 30static const char *const reg_names[] = 31{ 32 "flags", "r1", "rp", "r3", "r4", "r5", "r6", "r7", "r8", "r9", 33 "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", 34 "r20", "r21", "r22", "r23", "r24", "r25", "r26", "dp", "ret0", "ret1", 35 "sp", "r31" 36}; 37 38/* Floating point register names, indexed by the numbers which appear in the 39 opcodes. */ 40static const char *const fp_reg_names[] = 41{ 42 "fpsr", "fpe2", "fpe4", "fpe6", 43 "fr4", "fr5", "fr6", "fr7", "fr8", 44 "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15", 45 "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23", 46 "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31" 47}; 48 49typedef unsigned int CORE_ADDR; 50 51/* Get at various relevent fields of an instruction word. */ 52 53#define MASK_5 0x1f 54#define MASK_10 0x3ff 55#define MASK_11 0x7ff 56#define MASK_14 0x3fff 57#define MASK_16 0xffff 58#define MASK_21 0x1fffff 59 60/* These macros get bit fields using HP's numbering (MSB = 0). */ 61 62#define GET_FIELD(X, FROM, TO) \ 63 ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1)) 64 65#define GET_BIT(X, WHICH) \ 66 GET_FIELD (X, WHICH, WHICH) 67 68/* Some of these have been converted to 2-d arrays because they 69 consume less storage this way. If the maintenance becomes a 70 problem, convert them back to const 1-d pointer arrays. */ 71static const char *const control_reg[] = 72{ 73 "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", 74 "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4", 75 "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr", 76 "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3", 77 "tr4", "tr5", "tr6", "tr7" 78}; 79 80static const char *const compare_cond_names[] = 81{ 82 "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od", 83 ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev" 84}; 85static const char *const compare_cond_64_names[] = 86{ 87 "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od", 88 ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev" 89}; 90static const char *const cmpib_cond_64_names[] = 91{ 92 ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>" 93}; 94static const char *const add_cond_names[] = 95{ 96 "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od", 97 ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev" 98}; 99static const char *const add_cond_64_names[] = 100{ 101 "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od", 102 ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev" 103}; 104static const char *const wide_add_cond_names[] = 105{ 106 "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=", 107 ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>" 108}; 109static const char *const logical_cond_names[] = 110{ 111 "", ",=", ",<", ",<=", 0, 0, 0, ",od", 112 ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"}; 113static const char *const logical_cond_64_names[] = 114{ 115 "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od", 116 ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"}; 117static const char *const unit_cond_names[] = 118{ 119 "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc", 120 ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc" 121}; 122static const char *const unit_cond_64_names[] = 123{ 124 "", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc", 125 ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc" 126}; 127static const char *const shift_cond_names[] = 128{ 129 "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev" 130}; 131static const char *const shift_cond_64_names[] = 132{ 133 "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev" 134}; 135static const char *const bb_cond_64_names[] = 136{ 137 ",*<", ",*>=" 138}; 139static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"}; 140static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"}; 141static const char *const short_bytes_compl_names[] = 142{ 143 "", ",b,m", ",e", ",e,m" 144}; 145static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"}; 146static const char *const fcnv_fixed_names[] = {",w", ",dw", "", ",qw"}; 147static const char *const fcnv_ufixed_names[] = {",uw", ",udw", "", ",uqw"}; 148static const char *const float_comp_names[] = 149{ 150 ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>", 151 ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>", 152 ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<", 153 ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true" 154}; 155static const char *const signed_unsigned_names[] = {",u", ",s"}; 156static const char *const mix_half_names[] = {",l", ",r"}; 157static const char *const saturation_names[] = {",us", ",ss", 0, ""}; 158static const char *const read_write_names[] = {",r", ",w"}; 159static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" }; 160 161/* For a bunch of different instructions form an index into a 162 completer name table. */ 163#define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \ 164 GET_FIELD (insn, 18, 18) << 1) 165 166#define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \ 167 (GET_FIELD ((insn), 19, 19) ? 8 : 0)) 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 (unsigned reg, disassemble_info *info) 176{ 177 (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0"); 178} 179 180static void 181fput_fp_reg (unsigned reg, disassemble_info *info) 182{ 183 (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0"); 184} 185 186static void 187fput_fp_reg_r (unsigned reg, disassemble_info *info) 188{ 189 /* Special case floating point exception registers. */ 190 if (reg < 4) 191 (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1); 192 else 193 (*info->fprintf_func) (info->stream, "%sR", 194 reg ? fp_reg_names[reg] : "fr0"); 195} 196 197static void 198fput_creg (unsigned reg, disassemble_info *info) 199{ 200 (*info->fprintf_func) (info->stream, control_reg[reg]); 201} 202 203/* Print constants with sign. */ 204 205static void 206fput_const (unsigned num, disassemble_info *info) 207{ 208 if ((int) num < 0) 209 (*info->fprintf_func) (info->stream, "-%x", - (int) num); 210 else 211 (*info->fprintf_func) (info->stream, "%x", num); 212} 213 214/* Routines to extract various sized constants out of hppa 215 instructions. */ 216 217/* Extract a 3-bit space register number from a be, ble, mtsp or mfsp. */ 218static int 219extract_3 (unsigned word) 220{ 221 return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17); 222} 223 224static int 225extract_5_load (unsigned word) 226{ 227 return low_sign_extend (word >> 16 & MASK_5, 5); 228} 229 230/* Extract the immediate field from a st{bhw}s instruction. */ 231 232static int 233extract_5_store (unsigned word) 234{ 235 return low_sign_extend (word & MASK_5, 5); 236} 237 238/* Extract the immediate field from a break instruction. */ 239 240static unsigned 241extract_5r_store (unsigned word) 242{ 243 return (word & MASK_5); 244} 245 246/* Extract the immediate field from a {sr}sm instruction. */ 247 248static unsigned 249extract_5R_store (unsigned word) 250{ 251 return (word >> 16 & MASK_5); 252} 253 254/* Extract the 10 bit immediate field from a {sr}sm instruction. */ 255 256static unsigned 257extract_10U_store (unsigned word) 258{ 259 return (word >> 16 & MASK_10); 260} 261 262/* Extract the immediate field from a bb instruction. */ 263 264static unsigned 265extract_5Q_store (unsigned word) 266{ 267 return (word >> 21 & MASK_5); 268} 269 270/* Extract an 11 bit immediate field. */ 271 272static int 273extract_11 (unsigned word) 274{ 275 return low_sign_extend (word & MASK_11, 11); 276} 277 278/* Extract a 14 bit immediate field. */ 279 280static int 281extract_14 (unsigned word) 282{ 283 return low_sign_extend (word & MASK_14, 14); 284} 285 286/* Extract a 16 bit immediate field (PA2.0 wide only). */ 287 288static int 289extract_16 (unsigned word) 290{ 291 int m15, m0, m1; 292 293 m0 = GET_BIT (word, 16); 294 m1 = GET_BIT (word, 17); 295 m15 = GET_BIT (word, 31); 296 word = (word >> 1) & 0x1fff; 297 word = word | (m15 << 15) | ((m15 ^ m0) << 14) | ((m15 ^ m1) << 13); 298 return sign_extend (word, 16); 299} 300 301/* Extract a 21 bit constant. */ 302 303static int 304extract_21 (unsigned word) 305{ 306 int val; 307 308 word &= MASK_21; 309 word <<= 11; 310 val = GET_FIELD (word, 20, 20); 311 val <<= 11; 312 val |= GET_FIELD (word, 9, 19); 313 val <<= 2; 314 val |= GET_FIELD (word, 5, 6); 315 val <<= 5; 316 val |= GET_FIELD (word, 0, 4); 317 val <<= 2; 318 val |= GET_FIELD (word, 7, 8); 319 return sign_extend (val, 21) << 11; 320} 321 322/* Extract a 12 bit constant from branch instructions. */ 323 324static int 325extract_12 (unsigned word) 326{ 327 return sign_extend (GET_FIELD (word, 19, 28) 328 | GET_FIELD (word, 29, 29) << 10 329 | (word & 0x1) << 11, 12) << 2; 330} 331 332/* Extract a 17 bit constant from branch instructions, returning the 333 19 bit signed value. */ 334 335static int 336extract_17 (unsigned word) 337{ 338 return sign_extend (GET_FIELD (word, 19, 28) 339 | GET_FIELD (word, 29, 29) << 10 340 | GET_FIELD (word, 11, 15) << 11 341 | (word & 0x1) << 16, 17) << 2; 342} 343 344static int 345extract_22 (unsigned word) 346{ 347 return sign_extend (GET_FIELD (word, 19, 28) 348 | GET_FIELD (word, 29, 29) << 10 349 | GET_FIELD (word, 11, 15) << 11 350 | GET_FIELD (word, 6, 10) << 16 351 | (word & 0x1) << 21, 22) << 2; 352} 353 354/* Print one instruction. */ 355 356int 357print_insn_hppa (bfd_vma memaddr, disassemble_info *info) 358{ 359 bfd_byte buffer[4]; 360 unsigned int insn, i; 361 362 { 363 int status = 364 (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info); 365 if (status != 0) 366 { 367 (*info->memory_error_func) (status, memaddr, info); 368 return -1; 369 } 370 } 371 372 insn = bfd_getb32 (buffer); 373 374 for (i = 0; i < NUMOPCODES; ++i) 375 { 376 const struct pa_opcode *opcode = &pa_opcodes[i]; 377 378 if ((insn & opcode->mask) == opcode->match) 379 { 380 const char *s; 381#ifndef BFD64 382 if (opcode->arch == pa20w) 383 continue; 384#endif 385 (*info->fprintf_func) (info->stream, "%s", opcode->name); 386 387 if (!strchr ("cfCY?-+nHNZFIuv{", opcode->args[0])) 388 (*info->fprintf_func) (info->stream, " "); 389 for (s = opcode->args; *s != '\0'; ++s) 390 { 391 switch (*s) 392 { 393 case 'x': 394 fput_reg (GET_FIELD (insn, 11, 15), info); 395 break; 396 case 'a': 397 case 'b': 398 fput_reg (GET_FIELD (insn, 6, 10), info); 399 break; 400 case '^': 401 fput_creg (GET_FIELD (insn, 6, 10), info); 402 break; 403 case 't': 404 fput_reg (GET_FIELD (insn, 27, 31), info); 405 break; 406 407 /* Handle floating point registers. */ 408 case 'f': 409 switch (*++s) 410 { 411 case 't': 412 fput_fp_reg (GET_FIELD (insn, 27, 31), info); 413 break; 414 case 'T': 415 if (GET_FIELD (insn, 25, 25)) 416 fput_fp_reg_r (GET_FIELD (insn, 27, 31), info); 417 else 418 fput_fp_reg (GET_FIELD (insn, 27, 31), info); 419 break; 420 case 'a': 421 if (GET_FIELD (insn, 25, 25)) 422 fput_fp_reg_r (GET_FIELD (insn, 6, 10), info); 423 else 424 fput_fp_reg (GET_FIELD (insn, 6, 10), info); 425 break; 426 427 /* 'fA' will not generate a space before the regsiter 428 name. Normally that is fine. Except that it 429 causes problems with xmpyu which has no FP format 430 completer. */ 431 case 'X': 432 fputs_filtered (" ", info); 433 /* FALLTHRU */ 434 435 case 'A': 436 if (GET_FIELD (insn, 24, 24)) 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 case 'b': 442 if (GET_FIELD (insn, 25, 25)) 443 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); 444 else 445 fput_fp_reg (GET_FIELD (insn, 11, 15), info); 446 break; 447 case 'B': 448 if (GET_FIELD (insn, 19, 19)) 449 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); 450 else 451 fput_fp_reg (GET_FIELD (insn, 11, 15), info); 452 break; 453 case 'C': 454 { 455 int reg = GET_FIELD (insn, 21, 22); 456 reg |= GET_FIELD (insn, 16, 18) << 2; 457 if (GET_FIELD (insn, 23, 23) != 0) 458 fput_fp_reg_r (reg, info); 459 else 460 fput_fp_reg (reg, info); 461 break; 462 } 463 case 'i': 464 { 465 int reg = GET_FIELD (insn, 6, 10); 466 467 reg |= (GET_FIELD (insn, 26, 26) << 4); 468 fput_fp_reg (reg, info); 469 break; 470 } 471 case 'j': 472 { 473 int reg = GET_FIELD (insn, 11, 15); 474 475 reg |= (GET_FIELD (insn, 26, 26) << 4); 476 fput_fp_reg (reg, info); 477 break; 478 } 479 case 'k': 480 { 481 int reg = GET_FIELD (insn, 27, 31); 482 483 reg |= (GET_FIELD (insn, 26, 26) << 4); 484 fput_fp_reg (reg, info); 485 break; 486 } 487 case 'l': 488 { 489 int reg = GET_FIELD (insn, 21, 25); 490 491 reg |= (GET_FIELD (insn, 26, 26) << 4); 492 fput_fp_reg (reg, info); 493 break; 494 } 495 case 'm': 496 { 497 int reg = GET_FIELD (insn, 16, 20); 498 499 reg |= (GET_FIELD (insn, 26, 26) << 4); 500 fput_fp_reg (reg, info); 501 break; 502 } 503 504 /* 'fe' will not generate a space before the register 505 name. Normally that is fine. Except that it 506 causes problems with fstw fe,y(b) which has no FP 507 format completer. */ 508 case 'E': 509 fputs_filtered (" ", info); 510 /* FALLTHRU */ 511 512 case 'e': 513 if (GET_FIELD (insn, 30, 30)) 514 fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); 515 else 516 fput_fp_reg (GET_FIELD (insn, 11, 15), info); 517 break; 518 case 'x': 519 fput_fp_reg (GET_FIELD (insn, 11, 15), info); 520 break; 521 } 522 break; 523 524 case '5': 525 fput_const (extract_5_load (insn), info); 526 break; 527 case 's': 528 { 529 int space = GET_FIELD (insn, 16, 17); 530 /* Zero means implicit addressing, not use of sr0. */ 531 if (space != 0) 532 (*info->fprintf_func) (info->stream, "sr%d", space); 533 } 534 break; 535 536 case 'S': 537 (*info->fprintf_func) (info->stream, "sr%d", 538 extract_3 (insn)); 539 break; 540 541 /* Handle completers. */ 542 case 'c': 543 switch (*++s) 544 { 545 case 'x': 546 (*info->fprintf_func) 547 (info->stream, "%s", 548 index_compl_names[GET_COMPL (insn)]); 549 break; 550 case 'X': 551 (*info->fprintf_func) 552 (info->stream, "%s ", 553 index_compl_names[GET_COMPL (insn)]); 554 break; 555 case 'm': 556 (*info->fprintf_func) 557 (info->stream, "%s", 558 short_ldst_compl_names[GET_COMPL (insn)]); 559 break; 560 case 'M': 561 (*info->fprintf_func) 562 (info->stream, "%s ", 563 short_ldst_compl_names[GET_COMPL (insn)]); 564 break; 565 case 'A': 566 (*info->fprintf_func) 567 (info->stream, "%s ", 568 short_bytes_compl_names[GET_COMPL (insn)]); 569 break; 570 case 's': 571 (*info->fprintf_func) 572 (info->stream, "%s", 573 short_bytes_compl_names[GET_COMPL (insn)]); 574 break; 575 case 'c': 576 case 'C': 577 switch (GET_FIELD (insn, 20, 21)) 578 { 579 case 1: 580 (*info->fprintf_func) (info->stream, ",bc "); 581 break; 582 case 2: 583 (*info->fprintf_func) (info->stream, ",sl "); 584 break; 585 default: 586 (*info->fprintf_func) (info->stream, " "); 587 } 588 break; 589 case 'd': 590 switch (GET_FIELD (insn, 20, 21)) 591 { 592 case 1: 593 (*info->fprintf_func) (info->stream, ",co "); 594 break; 595 default: 596 (*info->fprintf_func) (info->stream, " "); 597 } 598 break; 599 case 'o': 600 (*info->fprintf_func) (info->stream, ",o"); 601 break; 602 case 'g': 603 (*info->fprintf_func) (info->stream, ",gate"); 604 break; 605 case 'p': 606 (*info->fprintf_func) (info->stream, ",l,push"); 607 break; 608 case 'P': 609 (*info->fprintf_func) (info->stream, ",pop"); 610 break; 611 case 'l': 612 case 'L': 613 (*info->fprintf_func) (info->stream, ",l"); 614 break; 615 case 'w': 616 (*info->fprintf_func) 617 (info->stream, "%s ", 618 read_write_names[GET_FIELD (insn, 25, 25)]); 619 break; 620 case 'W': 621 (*info->fprintf_func) (info->stream, ",w "); 622 break; 623 case 'r': 624 if (GET_FIELD (insn, 23, 26) == 5) 625 (*info->fprintf_func) (info->stream, ",r"); 626 break; 627 case 'Z': 628 if (GET_FIELD (insn, 26, 26)) 629 (*info->fprintf_func) (info->stream, ",m "); 630 else 631 (*info->fprintf_func) (info->stream, " "); 632 break; 633 case 'i': 634 if (GET_FIELD (insn, 25, 25)) 635 (*info->fprintf_func) (info->stream, ",i"); 636 break; 637 case 'z': 638 if (!GET_FIELD (insn, 21, 21)) 639 (*info->fprintf_func) (info->stream, ",z"); 640 break; 641 case 'a': 642 (*info->fprintf_func) 643 (info->stream, "%s", 644 add_compl_names[GET_FIELD (insn, 20, 21)]); 645 break; 646 case 'Y': 647 (*info->fprintf_func) 648 (info->stream, ",dc%s", 649 add_compl_names[GET_FIELD (insn, 20, 21)]); 650 break; 651 case 'y': 652 (*info->fprintf_func) 653 (info->stream, ",c%s", 654 add_compl_names[GET_FIELD (insn, 20, 21)]); 655 break; 656 case 'v': 657 if (GET_FIELD (insn, 20, 20)) 658 (*info->fprintf_func) (info->stream, ",tsv"); 659 break; 660 case 't': 661 (*info->fprintf_func) (info->stream, ",tc"); 662 if (GET_FIELD (insn, 20, 20)) 663 (*info->fprintf_func) (info->stream, ",tsv"); 664 break; 665 case 'B': 666 (*info->fprintf_func) (info->stream, ",db"); 667 if (GET_FIELD (insn, 20, 20)) 668 (*info->fprintf_func) (info->stream, ",tsv"); 669 break; 670 case 'b': 671 (*info->fprintf_func) (info->stream, ",b"); 672 if (GET_FIELD (insn, 20, 20)) 673 (*info->fprintf_func) (info->stream, ",tsv"); 674 break; 675 case 'T': 676 if (GET_FIELD (insn, 25, 25)) 677 (*info->fprintf_func) (info->stream, ",tc"); 678 break; 679 case 'S': 680 /* EXTRD/W has a following condition. */ 681 if (*(s + 1) == '?') 682 (*info->fprintf_func) 683 (info->stream, "%s", 684 signed_unsigned_names[GET_FIELD (insn, 21, 21)]); 685 else 686 (*info->fprintf_func) 687 (info->stream, "%s ", 688 signed_unsigned_names[GET_FIELD (insn, 21, 21)]); 689 break; 690 case 'h': 691 (*info->fprintf_func) 692 (info->stream, "%s", 693 mix_half_names[GET_FIELD (insn, 17, 17)]); 694 break; 695 case 'H': 696 (*info->fprintf_func) 697 (info->stream, "%s ", 698 saturation_names[GET_FIELD (insn, 24, 25)]); 699 break; 700 case '*': 701 (*info->fprintf_func) 702 (info->stream, ",%d%d%d%d ", 703 GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21), 704 GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25)); 705 break; 706 707 case 'q': 708 { 709 int m, a; 710 711 m = GET_FIELD (insn, 28, 28); 712 a = GET_FIELD (insn, 29, 29); 713 714 if (m && !a) 715 fputs_filtered (",ma ", info); 716 else if (m && a) 717 fputs_filtered (",mb ", info); 718 else 719 fputs_filtered (" ", info); 720 break; 721 } 722 723 case 'J': 724 { 725 int opc = GET_FIELD (insn, 0, 5); 726 727 if (opc == 0x16 || opc == 0x1e) 728 { 729 if (GET_FIELD (insn, 29, 29) == 0) 730 fputs_filtered (",ma ", info); 731 else 732 fputs_filtered (",mb ", info); 733 } 734 else 735 fputs_filtered (" ", info); 736 break; 737 } 738 739 case 'e': 740 { 741 int opc = GET_FIELD (insn, 0, 5); 742 743 if (opc == 0x13 || opc == 0x1b) 744 { 745 if (GET_FIELD (insn, 18, 18) == 1) 746 fputs_filtered (",mb ", info); 747 else 748 fputs_filtered (",ma ", info); 749 } 750 else if (opc == 0x17 || opc == 0x1f) 751 { 752 if (GET_FIELD (insn, 31, 31) == 1) 753 fputs_filtered (",ma ", info); 754 else 755 fputs_filtered (",mb ", info); 756 } 757 else 758 fputs_filtered (" ", info); 759 760 break; 761 } 762 } 763 break; 764 765 /* Handle conditions. */ 766 case '?': 767 { 768 s++; 769 switch (*s) 770 { 771 case 'f': 772 (*info->fprintf_func) 773 (info->stream, "%s ", 774 float_comp_names[GET_FIELD (insn, 27, 31)]); 775 break; 776 777 /* These four conditions are for the set of instructions 778 which distinguish true/false conditions by opcode 779 rather than by the 'f' bit (sigh): comb, comib, 780 addb, addib. */ 781 case 't': 782 fputs_filtered 783 (compare_cond_names[GET_FIELD (insn, 16, 18)], info); 784 break; 785 case 'n': 786 fputs_filtered 787 (compare_cond_names[GET_FIELD (insn, 16, 18) 788 + GET_FIELD (insn, 4, 4) * 8], 789 info); 790 break; 791 case 'N': 792 fputs_filtered 793 (compare_cond_64_names[GET_FIELD (insn, 16, 18) 794 + GET_FIELD (insn, 2, 2) * 8], 795 info); 796 break; 797 case 'Q': 798 fputs_filtered 799 (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)], 800 info); 801 break; 802 case '@': 803 fputs_filtered 804 (add_cond_names[GET_FIELD (insn, 16, 18) 805 + GET_FIELD (insn, 4, 4) * 8], 806 info); 807 break; 808 case 's': 809 (*info->fprintf_func) 810 (info->stream, "%s ", 811 compare_cond_names[GET_COND (insn)]); 812 break; 813 case 'S': 814 (*info->fprintf_func) 815 (info->stream, "%s ", 816 compare_cond_64_names[GET_COND (insn)]); 817 break; 818 case 'a': 819 (*info->fprintf_func) 820 (info->stream, "%s ", 821 add_cond_names[GET_COND (insn)]); 822 break; 823 case 'A': 824 (*info->fprintf_func) 825 (info->stream, "%s ", 826 add_cond_64_names[GET_COND (insn)]); 827 break; 828 case 'd': 829 (*info->fprintf_func) 830 (info->stream, "%s", 831 add_cond_names[GET_FIELD (insn, 16, 18)]); 832 break; 833 834 case 'W': 835 (*info->fprintf_func) 836 (info->stream, "%s", 837 wide_add_cond_names[GET_FIELD (insn, 16, 18) + 838 GET_FIELD (insn, 4, 4) * 8]); 839 break; 840 841 case 'l': 842 (*info->fprintf_func) 843 (info->stream, "%s ", 844 logical_cond_names[GET_COND (insn)]); 845 break; 846 case 'L': 847 (*info->fprintf_func) 848 (info->stream, "%s ", 849 logical_cond_64_names[GET_COND (insn)]); 850 break; 851 case 'u': 852 (*info->fprintf_func) 853 (info->stream, "%s ", 854 unit_cond_names[GET_COND (insn)]); 855 break; 856 case 'U': 857 (*info->fprintf_func) 858 (info->stream, "%s ", 859 unit_cond_64_names[GET_COND (insn)]); 860 break; 861 case 'y': 862 case 'x': 863 case 'b': 864 (*info->fprintf_func) 865 (info->stream, "%s", 866 shift_cond_names[GET_FIELD (insn, 16, 18)]); 867 868 /* If the next character in args is 'n', it will handle 869 putting out the space. */ 870 if (s[1] != 'n') 871 (*info->fprintf_func) (info->stream, " "); 872 break; 873 case 'X': 874 (*info->fprintf_func) 875 (info->stream, "%s ", 876 shift_cond_64_names[GET_FIELD (insn, 16, 18)]); 877 break; 878 case 'B': 879 (*info->fprintf_func) 880 (info->stream, "%s", 881 bb_cond_64_names[GET_FIELD (insn, 16, 16)]); 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 } 889 break; 890 } 891 892 case 'V': 893 fput_const (extract_5_store (insn), info); 894 break; 895 case 'r': 896 fput_const (extract_5r_store (insn), info); 897 break; 898 case 'R': 899 fput_const (extract_5R_store (insn), info); 900 break; 901 case 'U': 902 fput_const (extract_10U_store (insn), info); 903 break; 904 case 'B': 905 case 'Q': 906 fput_const (extract_5Q_store (insn), info); 907 break; 908 case 'i': 909 fput_const (extract_11 (insn), info); 910 break; 911 case 'j': 912 fput_const (extract_14 (insn), info); 913 break; 914 case 'k': 915 fputs_filtered ("L%", info); 916 fput_const (extract_21 (insn), info); 917 break; 918 case '<': 919 case 'l': 920 /* 16-bit long disp., PA2.0 wide only. */ 921 fput_const (extract_16 (insn), info); 922 break; 923 case 'n': 924 if (insn & 0x2) 925 (*info->fprintf_func) (info->stream, ",n "); 926 else 927 (*info->fprintf_func) (info->stream, " "); 928 break; 929 case 'N': 930 if ((insn & 0x20) && s[1]) 931 (*info->fprintf_func) (info->stream, ",n "); 932 else if (insn & 0x20) 933 (*info->fprintf_func) (info->stream, ",n"); 934 else if (s[1]) 935 (*info->fprintf_func) (info->stream, " "); 936 break; 937 case 'w': 938 (*info->print_address_func) 939 (memaddr + 8 + extract_12 (insn), info); 940 break; 941 case 'W': 942 /* 17 bit PC-relative branch. */ 943 (*info->print_address_func) 944 ((memaddr + 8 + extract_17 (insn)), info); 945 break; 946 case 'z': 947 /* 17 bit displacement. This is an offset from a register 948 so it gets disasssembled as just a number, not any sort 949 of address. */ 950 fput_const (extract_17 (insn), info); 951 break; 952 953 case 'Z': 954 /* addil %r1 implicit output. */ 955 fputs_filtered ("r1", info); 956 break; 957 958 case 'Y': 959 /* be,l %sr0,%r31 implicit output. */ 960 fputs_filtered ("sr0,r31", info); 961 break; 962 963 case '@': 964 (*info->fprintf_func) (info->stream, "0"); 965 break; 966 967 case '.': 968 (*info->fprintf_func) (info->stream, "%d", 969 GET_FIELD (insn, 24, 25)); 970 break; 971 case '*': 972 (*info->fprintf_func) (info->stream, "%d", 973 GET_FIELD (insn, 22, 25)); 974 break; 975 case '!': 976 fputs_filtered ("sar", info); 977 break; 978 case 'p': 979 (*info->fprintf_func) (info->stream, "%d", 980 31 - GET_FIELD (insn, 22, 26)); 981 break; 982 case '~': 983 { 984 int num; 985 num = GET_FIELD (insn, 20, 20) << 5; 986 num |= GET_FIELD (insn, 22, 26); 987 (*info->fprintf_func) (info->stream, "%d", 63 - num); 988 break; 989 } 990 case 'P': 991 (*info->fprintf_func) (info->stream, "%d", 992 GET_FIELD (insn, 22, 26)); 993 break; 994 case 'q': 995 { 996 int num; 997 num = GET_FIELD (insn, 20, 20) << 5; 998 num |= GET_FIELD (insn, 22, 26); 999 (*info->fprintf_func) (info->stream, "%d", num); 1000 break; 1001 } 1002 case 'T': 1003 (*info->fprintf_func) (info->stream, "%d", 1004 32 - GET_FIELD (insn, 27, 31)); 1005 break; 1006 case '%': 1007 { 1008 int num; 1009 num = (GET_FIELD (insn, 23, 23) + 1) * 32; 1010 num -= GET_FIELD (insn, 27, 31); 1011 (*info->fprintf_func) (info->stream, "%d", num); 1012 break; 1013 } 1014 case '|': 1015 { 1016 int num; 1017 num = (GET_FIELD (insn, 19, 19) + 1) * 32; 1018 num -= GET_FIELD (insn, 27, 31); 1019 (*info->fprintf_func) (info->stream, "%d", num); 1020 break; 1021 } 1022 case '$': 1023 fput_const (GET_FIELD (insn, 20, 28), info); 1024 break; 1025 case 'A': 1026 fput_const (GET_FIELD (insn, 6, 18), info); 1027 break; 1028 case 'D': 1029 fput_const (GET_FIELD (insn, 6, 31), info); 1030 break; 1031 case 'v': 1032 (*info->fprintf_func) (info->stream, ",%d", 1033 GET_FIELD (insn, 23, 25)); 1034 break; 1035 case 'O': 1036 fput_const ((GET_FIELD (insn, 6,20) << 5 | 1037 GET_FIELD (insn, 27, 31)), info); 1038 break; 1039 case 'o': 1040 fput_const (GET_FIELD (insn, 6, 20), info); 1041 break; 1042 case '2': 1043 fput_const ((GET_FIELD (insn, 6, 22) << 5 | 1044 GET_FIELD (insn, 27, 31)), info); 1045 break; 1046 case '1': 1047 fput_const ((GET_FIELD (insn, 11, 20) << 5 | 1048 GET_FIELD (insn, 27, 31)), info); 1049 break; 1050 case '0': 1051 fput_const ((GET_FIELD (insn, 16, 20) << 5 | 1052 GET_FIELD (insn, 27, 31)), info); 1053 break; 1054 case 'u': 1055 (*info->fprintf_func) (info->stream, ",%d", 1056 GET_FIELD (insn, 23, 25)); 1057 break; 1058 case 'F': 1059 /* If no destination completer and not before a completer 1060 for fcmp, need a space here. */ 1061 if (s[1] == 'G' || s[1] == '?') 1062 fputs_filtered 1063 (float_format_names[GET_FIELD (insn, 19, 20)], info); 1064 else 1065 (*info->fprintf_func) 1066 (info->stream, "%s ", 1067 float_format_names[GET_FIELD (insn, 19, 20)]); 1068 break; 1069 case 'G': 1070 (*info->fprintf_func) 1071 (info->stream, "%s ", 1072 float_format_names[GET_FIELD (insn, 17, 18)]); 1073 break; 1074 case 'H': 1075 if (GET_FIELD (insn, 26, 26) == 1) 1076 (*info->fprintf_func) (info->stream, "%s ", 1077 float_format_names[0]); 1078 else 1079 (*info->fprintf_func) (info->stream, "%s ", 1080 float_format_names[1]); 1081 break; 1082 case 'I': 1083 /* If no destination completer and not before a completer 1084 for fcmp, need a space here. */ 1085 if (s[1] == '?') 1086 fputs_filtered 1087 (float_format_names[GET_FIELD (insn, 20, 20)], info); 1088 else 1089 (*info->fprintf_func) 1090 (info->stream, "%s ", 1091 float_format_names[GET_FIELD (insn, 20, 20)]); 1092 break; 1093 1094 case 'J': 1095 fput_const (extract_14 (insn), info); 1096 break; 1097 1098 case '#': 1099 { 1100 int sign = GET_FIELD (insn, 31, 31); 1101 int imm10 = GET_FIELD (insn, 18, 27); 1102 int disp; 1103 1104 if (sign) 1105 disp = (-1 << 10) | imm10; 1106 else 1107 disp = imm10; 1108 1109 disp <<= 3; 1110 fput_const (disp, info); 1111 break; 1112 } 1113 case 'K': 1114 case 'd': 1115 { 1116 int sign = GET_FIELD (insn, 31, 31); 1117 int imm11 = GET_FIELD (insn, 18, 28); 1118 int disp; 1119 1120 if (sign) 1121 disp = (-1 << 11) | imm11; 1122 else 1123 disp = imm11; 1124 1125 disp <<= 2; 1126 fput_const (disp, info); 1127 break; 1128 } 1129 1130 case '>': 1131 case 'y': 1132 { 1133 /* 16-bit long disp., PA2.0 wide only. */ 1134 int disp = extract_16 (insn); 1135 disp &= ~3; 1136 fput_const (disp, info); 1137 break; 1138 } 1139 1140 case '&': 1141 { 1142 /* 16-bit long disp., PA2.0 wide only. */ 1143 int disp = extract_16 (insn); 1144 disp &= ~7; 1145 fput_const (disp, info); 1146 break; 1147 } 1148 1149 case '_': 1150 break; /* Dealt with by '{' */ 1151 1152 case '{': 1153 { 1154 int sub = GET_FIELD (insn, 14, 16); 1155 int df = GET_FIELD (insn, 17, 18); 1156 int sf = GET_FIELD (insn, 19, 20); 1157 const char * const * source = float_format_names; 1158 const char * const * dest = float_format_names; 1159 char *t = ""; 1160 1161 if (sub == 4) 1162 { 1163 fputs_filtered (",UND ", info); 1164 break; 1165 } 1166 if ((sub & 3) == 3) 1167 t = ",t"; 1168 if ((sub & 3) == 1) 1169 source = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names; 1170 if (sub & 2) 1171 dest = sub & 4 ? fcnv_ufixed_names : fcnv_fixed_names; 1172 1173 (*info->fprintf_func) (info->stream, "%s%s%s ", 1174 t, source[sf], dest[df]); 1175 break; 1176 } 1177 1178 case 'm': 1179 { 1180 int y = GET_FIELD (insn, 16, 18); 1181 1182 if (y != 1) 1183 fput_const ((y ^ 1) - 1, info); 1184 } 1185 break; 1186 1187 case 'h': 1188 { 1189 int cbit; 1190 1191 cbit = GET_FIELD (insn, 16, 18); 1192 1193 if (cbit > 0) 1194 (*info->fprintf_func) (info->stream, ",%d", cbit - 1); 1195 break; 1196 } 1197 1198 case '=': 1199 { 1200 int cond = GET_FIELD (insn, 27, 31); 1201 1202 switch (cond) 1203 { 1204 case 0: fputs_filtered (" ", info); break; 1205 case 1: fputs_filtered ("acc ", info); break; 1206 case 2: fputs_filtered ("rej ", info); break; 1207 case 5: fputs_filtered ("acc8 ", info); break; 1208 case 6: fputs_filtered ("rej8 ", info); break; 1209 case 9: fputs_filtered ("acc6 ", info); break; 1210 case 13: fputs_filtered ("acc4 ", info); break; 1211 case 17: fputs_filtered ("acc2 ", info); break; 1212 default: break; 1213 } 1214 break; 1215 } 1216 1217 case 'X': 1218 (*info->print_address_func) 1219 (memaddr + 8 + extract_22 (insn), info); 1220 break; 1221 case 'L': 1222 fputs_filtered (",rp", info); 1223 break; 1224 default: 1225 (*info->fprintf_func) (info->stream, "%c", *s); 1226 break; 1227 } 1228 } 1229 return sizeof (insn); 1230 } 1231 } 1232 (*info->fprintf_func) (info->stream, "#%8x", insn); 1233 return sizeof (insn); 1234} 1235