| 1 | /* Disassembler for the PA-RISC. Somewhat derived from sparc-pinsn.c. |
| 2 | Copyright 1989, 1990, 1992, 1993 Free Software Foundation, Inc. |
| 3 | |
| 4 | Contributed by the Center for Software Science at the |
| 5 | University of Utah (pa-gdb-bugs@cs.utah.edu). |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include <ansidecl.h> |
| 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. */ |
| 29 | static 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. */ |
| 37 | static 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 | |
| 44 | typedef 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_21 0x1fffff |
| 53 | |
| 54 | /* This macro gets bit fields using HP's numbering (MSB = 0) */ |
| 55 | |
| 56 | #define GET_FIELD(X, FROM, TO) \ |
| 57 | ((X) >> (31 - (TO)) & ((1 << ((TO) - (FROM) + 1)) - 1)) |
| 58 | |
| 59 | /* Some of these have been converted to 2-d arrays because they |
| 60 | consume less storage this way. If the maintenance becomes a |
| 61 | problem, convert them back to const 1-d pointer arrays. */ |
| 62 | static const char *const control_reg[] = { |
| 63 | "rctr", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", |
| 64 | "pidr1", "pidr2", "ccr", "sar", "pidr3", "pidr4", |
| 65 | "iva", "eiem", "itmr", "pcsq", "pcoq", "iir", "isr", |
| 66 | "ior", "ipsw", "eirr", "tr0", "tr1", "tr2", "tr3", |
| 67 | "tr4", "tr5", "tr6", "tr7" |
| 68 | }; |
| 69 | |
| 70 | static const char *const compare_cond_names[] = { |
| 71 | "", ",=", ",<", ",<=", ",<<", ",<<=", ",sv", ",od", |
| 72 | ",tr", ",<>", ",>=", ",>", ",>>=", ",>>", ",nsv", ",ev" |
| 73 | }; |
| 74 | static const char *const compare_cond_64_names[] = { |
| 75 | "", ",*=", ",*<", ",*<=", ",*<<", ",*<<=", ",*sv", ",*od", |
| 76 | ",*tr", ",*<>", ",*>=", ",*>", ",*>>=", ",*>>", ",*nsv", ",*ev" |
| 77 | }; |
| 78 | static const char *const cmpib_cond_64_names[] = { |
| 79 | ",*<<", ",*=", ",*<", ",*<=", ",*>>=", ",*<>", ",*>=", ",*>" |
| 80 | }; |
| 81 | static const char *const add_cond_names[] = { |
| 82 | "", ",=", ",<", ",<=", ",nuv", ",znv", ",sv", ",od", |
| 83 | ",tr", ",<>", ",>=", ",>", ",uv", ",vnz", ",nsv", ",ev" |
| 84 | }; |
| 85 | static const char *const add_cond_64_names[] = { |
| 86 | "", ",*=", ",*<", ",*<=", ",*nuv", ",*znv", ",*sv", ",*od", |
| 87 | ",*tr", ",*<>", ",*>=", ",*>", ",*uv", ",*vnz", ",*nsv", ",*ev" |
| 88 | }; |
| 89 | static const char *const wide_add_cond_names[] = { |
| 90 | "", ",=", ",<", ",<=", ",nuv", ",*=", ",*<", ",*<=", |
| 91 | ",tr", ",<>", ",>=", ",>", ",uv", ",*<>", ",*>=", ",*>" |
| 92 | }; |
| 93 | static const char *const logical_cond_names[] = { |
| 94 | "", ",=", ",<", ",<=", 0, 0, 0, ",od", |
| 95 | ",tr", ",<>", ",>=", ",>", 0, 0, 0, ",ev"}; |
| 96 | static const char *const logical_cond_64_names[] = { |
| 97 | "", ",*=", ",*<", ",*<=", 0, 0, 0, ",*od", |
| 98 | ",*tr", ",*<>", ",*>=", ",*>", 0, 0, 0, ",*ev"}; |
| 99 | static const char *const unit_cond_names[] = { |
| 100 | "", ",swz", ",sbz", ",shz", ",sdc", ",swc", ",sbc", ",shc", |
| 101 | ",tr", ",nwz", ",nbz", ",nhz", ",ndc", ",nwc", ",nbc", ",nhc" |
| 102 | }; |
| 103 | static const char *const unit_cond_64_names[] = { |
| 104 | "", ",*swz", ",*sbz", ",*shz", ",*sdc", ",*swc", ",*sbc", ",*shc", |
| 105 | ",*tr", ",*nwz", ",*nbz", ",*nhz", ",*ndc", ",*nwc", ",*nbc", ",*nhc" |
| 106 | }; |
| 107 | static const char *const shift_cond_names[] = { |
| 108 | "", ",=", ",<", ",od", ",tr", ",<>", ",>=", ",ev" |
| 109 | }; |
| 110 | static const char *const shift_cond_64_names[] = { |
| 111 | "", ",*=", ",*<", ",*od", ",*tr", ",*<>", ",*>=", ",*ev" |
| 112 | }; |
| 113 | static const char *const bb_cond_64_names[] = { |
| 114 | ",*<", ",*>=" |
| 115 | }; |
| 116 | static const char *const index_compl_names[] = {"", ",m", ",s", ",sm"}; |
| 117 | static const char *const short_ldst_compl_names[] = {"", ",ma", "", ",mb"}; |
| 118 | static const char *const short_bytes_compl_names[] = { |
| 119 | "", ",b,m", ",e", ",e,m" |
| 120 | }; |
| 121 | static const char *const float_format_names[] = {",sgl", ",dbl", "", ",quad"}; |
| 122 | static const char *const float_comp_names[] = |
| 123 | { |
| 124 | ",false?", ",false", ",?", ",!<=>", ",=", ",=t", ",?=", ",!<>", |
| 125 | ",!?>=", ",<", ",?<", ",!>=", ",!?>", ",<=", ",?<=", ",!>", |
| 126 | ",!?<=", ",>", ",?>", ",!<=", ",!?<", ",>=", ",?>=", ",!<", |
| 127 | ",!?=", ",<>", ",!=", ",!=t", ",!?", ",<=>", ",true?", ",true" |
| 128 | }; |
| 129 | static const char *const signed_unsigned_names[] = {",u", ",s"}; |
| 130 | static const char *const mix_half_names[] = {",l", ",r"}; |
| 131 | static const char *const saturation_names[] = {",us", ",ss", 0, ""}; |
| 132 | static const char *const read_write_names[] = {",r", ",w"}; |
| 133 | static const char *const add_compl_names[] = { 0, "", ",l", ",tsv" }; |
| 134 | |
| 135 | /* For a bunch of different instructions form an index into a |
| 136 | completer name table. */ |
| 137 | #define GET_COMPL(insn) (GET_FIELD (insn, 26, 26) | \ |
| 138 | GET_FIELD (insn, 18, 18) << 1) |
| 139 | |
| 140 | #define GET_COND(insn) (GET_FIELD ((insn), 16, 18) + \ |
| 141 | (GET_FIELD ((insn), 19, 19) ? 8 : 0)) |
| 142 | |
| 143 | /* Utility function to print registers. Put these first, so gcc's function |
| 144 | inlining can do its stuff. */ |
| 145 | |
| 146 | #define fputs_filtered(STR,F) (*info->fprintf_func) (info->stream, "%s", STR) |
| 147 | |
| 148 | static void |
| 149 | fput_reg (reg, info) |
| 150 | unsigned reg; |
| 151 | disassemble_info *info; |
| 152 | { |
| 153 | (*info->fprintf_func) (info->stream, reg ? reg_names[reg] : "r0"); |
| 154 | } |
| 155 | |
| 156 | static void |
| 157 | fput_fp_reg (reg, info) |
| 158 | unsigned reg; |
| 159 | disassemble_info *info; |
| 160 | { |
| 161 | (*info->fprintf_func) (info->stream, reg ? fp_reg_names[reg] : "fr0"); |
| 162 | } |
| 163 | |
| 164 | static void |
| 165 | fput_fp_reg_r (reg, info) |
| 166 | unsigned reg; |
| 167 | disassemble_info *info; |
| 168 | { |
| 169 | /* Special case floating point exception registers. */ |
| 170 | if (reg < 4) |
| 171 | (*info->fprintf_func) (info->stream, "fpe%d", reg * 2 + 1); |
| 172 | else |
| 173 | (*info->fprintf_func) (info->stream, "%sR", reg ? fp_reg_names[reg] |
| 174 | : "fr0"); |
| 175 | } |
| 176 | |
| 177 | static void |
| 178 | fput_creg (reg, info) |
| 179 | unsigned reg; |
| 180 | disassemble_info *info; |
| 181 | { |
| 182 | (*info->fprintf_func) (info->stream, control_reg[reg]); |
| 183 | } |
| 184 | |
| 185 | /* print constants with sign */ |
| 186 | |
| 187 | static void |
| 188 | fput_const (num, info) |
| 189 | unsigned num; |
| 190 | disassemble_info *info; |
| 191 | { |
| 192 | if ((int)num < 0) |
| 193 | (*info->fprintf_func) (info->stream, "-%x", -(int)num); |
| 194 | else |
| 195 | (*info->fprintf_func) (info->stream, "%x", num); |
| 196 | } |
| 197 | |
| 198 | /* Routines to extract various sized constants out of hppa |
| 199 | instructions. */ |
| 200 | |
| 201 | /* extract a 3-bit space register number from a be, ble, mtsp or mfsp */ |
| 202 | static int |
| 203 | extract_3 (word) |
| 204 | unsigned word; |
| 205 | { |
| 206 | return GET_FIELD (word, 18, 18) << 2 | GET_FIELD (word, 16, 17); |
| 207 | } |
| 208 | |
| 209 | static int |
| 210 | extract_5_load (word) |
| 211 | unsigned word; |
| 212 | { |
| 213 | return low_sign_extend (word >> 16 & MASK_5, 5); |
| 214 | } |
| 215 | |
| 216 | /* extract the immediate field from a st{bhw}s instruction */ |
| 217 | static int |
| 218 | extract_5_store (word) |
| 219 | unsigned word; |
| 220 | { |
| 221 | return low_sign_extend (word & MASK_5, 5); |
| 222 | } |
| 223 | |
| 224 | /* extract the immediate field from a break instruction */ |
| 225 | static unsigned |
| 226 | extract_5r_store (word) |
| 227 | unsigned word; |
| 228 | { |
| 229 | return (word & MASK_5); |
| 230 | } |
| 231 | |
| 232 | /* extract the immediate field from a {sr}sm instruction */ |
| 233 | static unsigned |
| 234 | extract_5R_store (word) |
| 235 | unsigned word; |
| 236 | { |
| 237 | return (word >> 16 & MASK_5); |
| 238 | } |
| 239 | |
| 240 | /* extract the 10 bit immediate field from a {sr}sm instruction */ |
| 241 | static unsigned |
| 242 | extract_10U_store (word) |
| 243 | unsigned word; |
| 244 | { |
| 245 | return (word >> 16 & MASK_10); |
| 246 | } |
| 247 | |
| 248 | /* extract the immediate field from a bb instruction */ |
| 249 | static unsigned |
| 250 | extract_5Q_store (word) |
| 251 | unsigned word; |
| 252 | { |
| 253 | return (word >> 21 & MASK_5); |
| 254 | } |
| 255 | |
| 256 | /* extract an 11 bit immediate field */ |
| 257 | static int |
| 258 | extract_11 (word) |
| 259 | unsigned word; |
| 260 | { |
| 261 | return low_sign_extend (word & MASK_11, 11); |
| 262 | } |
| 263 | |
| 264 | /* extract a 14 bit immediate field */ |
| 265 | static int |
| 266 | extract_14 (word) |
| 267 | unsigned word; |
| 268 | { |
| 269 | return low_sign_extend (word & MASK_14, 14); |
| 270 | } |
| 271 | |
| 272 | /* extract a 21 bit constant */ |
| 273 | |
| 274 | static int |
| 275 | extract_21 (word) |
| 276 | unsigned word; |
| 277 | { |
| 278 | int val; |
| 279 | |
| 280 | word &= MASK_21; |
| 281 | word <<= 11; |
| 282 | val = GET_FIELD (word, 20, 20); |
| 283 | val <<= 11; |
| 284 | val |= GET_FIELD (word, 9, 19); |
| 285 | val <<= 2; |
| 286 | val |= GET_FIELD (word, 5, 6); |
| 287 | val <<= 5; |
| 288 | val |= GET_FIELD (word, 0, 4); |
| 289 | val <<= 2; |
| 290 | val |= GET_FIELD (word, 7, 8); |
| 291 | return sign_extend (val, 21) << 11; |
| 292 | } |
| 293 | |
| 294 | /* extract a 12 bit constant from branch instructions */ |
| 295 | |
| 296 | static int |
| 297 | extract_12 (word) |
| 298 | unsigned word; |
| 299 | { |
| 300 | return sign_extend (GET_FIELD (word, 19, 28) | |
| 301 | GET_FIELD (word, 29, 29) << 10 | |
| 302 | (word & 0x1) << 11, 12) << 2; |
| 303 | } |
| 304 | |
| 305 | /* extract a 17 bit constant from branch instructions, returning the |
| 306 | 19 bit signed value. */ |
| 307 | |
| 308 | static int |
| 309 | extract_17 (word) |
| 310 | unsigned word; |
| 311 | { |
| 312 | return sign_extend (GET_FIELD (word, 19, 28) | |
| 313 | GET_FIELD (word, 29, 29) << 10 | |
| 314 | GET_FIELD (word, 11, 15) << 11 | |
| 315 | (word & 0x1) << 16, 17) << 2; |
| 316 | } |
| 317 | |
| 318 | static int |
| 319 | extract_22 (word) |
| 320 | unsigned word; |
| 321 | { |
| 322 | return sign_extend (GET_FIELD (word, 19, 28) | |
| 323 | GET_FIELD (word, 29, 29) << 10 | |
| 324 | GET_FIELD (word, 11, 15) << 11 | |
| 325 | GET_FIELD (word, 6, 10) << 16 | |
| 326 | (word & 0x1) << 21, 22) << 2; |
| 327 | } |
| 328 | |
| 329 | /* Print one instruction. */ |
| 330 | int |
| 331 | print_insn_hppa (memaddr, info) |
| 332 | bfd_vma memaddr; |
| 333 | disassemble_info *info; |
| 334 | { |
| 335 | bfd_byte buffer[4]; |
| 336 | unsigned int insn, i; |
| 337 | |
| 338 | { |
| 339 | int status = |
| 340 | (*info->read_memory_func) (memaddr, buffer, sizeof (buffer), info); |
| 341 | if (status != 0) |
| 342 | { |
| 343 | (*info->memory_error_func) (status, memaddr, info); |
| 344 | return -1; |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | insn = bfd_getb32 (buffer); |
| 349 | |
| 350 | for (i = 0; i < NUMOPCODES; ++i) |
| 351 | { |
| 352 | const struct pa_opcode *opcode = &pa_opcodes[i]; |
| 353 | if ((insn & opcode->mask) == opcode->match) |
| 354 | { |
| 355 | register const char *s; |
| 356 | |
| 357 | (*info->fprintf_func) (info->stream, "%s", opcode->name); |
| 358 | |
| 359 | if (!strchr ("cfCY?-+nHNZFIuv", opcode->args[0])) |
| 360 | (*info->fprintf_func) (info->stream, " "); |
| 361 | for (s = opcode->args; *s != '\0'; ++s) |
| 362 | { |
| 363 | switch (*s) |
| 364 | { |
| 365 | case 'x': |
| 366 | fput_reg (GET_FIELD (insn, 11, 15), info); |
| 367 | break; |
| 368 | case 'a': |
| 369 | case 'b': |
| 370 | fput_reg (GET_FIELD (insn, 6, 10), info); |
| 371 | break; |
| 372 | case '^': |
| 373 | fput_creg (GET_FIELD (insn, 6, 10), info); |
| 374 | break; |
| 375 | case 't': |
| 376 | fput_reg (GET_FIELD (insn, 27, 31), info); |
| 377 | break; |
| 378 | |
| 379 | /* Handle floating point registers. */ |
| 380 | case 'f': |
| 381 | switch (*++s) |
| 382 | { |
| 383 | case 't': |
| 384 | fput_fp_reg (GET_FIELD (insn, 27, 31), info); |
| 385 | break; |
| 386 | case 'T': |
| 387 | if (GET_FIELD (insn, 25, 25)) |
| 388 | fput_fp_reg_r (GET_FIELD (insn, 27, 31), info); |
| 389 | else |
| 390 | fput_fp_reg (GET_FIELD (insn, 27, 31), info); |
| 391 | break; |
| 392 | case 'a': |
| 393 | if (GET_FIELD (insn, 25, 25)) |
| 394 | fput_fp_reg_r (GET_FIELD (insn, 6, 10), info); |
| 395 | else |
| 396 | fput_fp_reg (GET_FIELD (insn, 6, 10), info); |
| 397 | break; |
| 398 | |
| 399 | /* 'fA' will not generate a space before the regsiter |
| 400 | name. Normally that is fine. Except that it |
| 401 | causes problems with xmpyu which has no FP format |
| 402 | completer. */ |
| 403 | case 'X': |
| 404 | fputs_filtered (" ", info); |
| 405 | |
| 406 | /* FALLTHRU */ |
| 407 | |
| 408 | case 'A': |
| 409 | if (GET_FIELD (insn, 24, 24)) |
| 410 | fput_fp_reg_r (GET_FIELD (insn, 6, 10), info); |
| 411 | else |
| 412 | fput_fp_reg (GET_FIELD (insn, 6, 10), info); |
| 413 | |
| 414 | break; |
| 415 | case 'b': |
| 416 | if (GET_FIELD (insn, 25, 25)) |
| 417 | fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); |
| 418 | else |
| 419 | fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| 420 | break; |
| 421 | case 'B': |
| 422 | if (GET_FIELD (insn, 19, 19)) |
| 423 | fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); |
| 424 | else |
| 425 | fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| 426 | break; |
| 427 | case 'C': |
| 428 | { |
| 429 | int reg = GET_FIELD (insn, 21, 22); |
| 430 | reg |= GET_FIELD (insn, 16, 18) << 2; |
| 431 | if (GET_FIELD (insn, 23, 23) != 0) |
| 432 | fput_fp_reg_r (reg, info); |
| 433 | else |
| 434 | fput_fp_reg (reg, info); |
| 435 | break; |
| 436 | } |
| 437 | case 'i': |
| 438 | { |
| 439 | int reg = GET_FIELD (insn, 6, 10); |
| 440 | |
| 441 | reg |= (GET_FIELD (insn, 26, 26) << 4); |
| 442 | fput_fp_reg (reg, info); |
| 443 | break; |
| 444 | } |
| 445 | case 'j': |
| 446 | { |
| 447 | int reg = GET_FIELD (insn, 11, 15); |
| 448 | |
| 449 | reg |= (GET_FIELD (insn, 26, 26) << 4); |
| 450 | fput_fp_reg (reg, info); |
| 451 | break; |
| 452 | } |
| 453 | case 'k': |
| 454 | { |
| 455 | int reg = GET_FIELD (insn, 27, 31); |
| 456 | |
| 457 | reg |= (GET_FIELD (insn, 26, 26) << 4); |
| 458 | fput_fp_reg (reg, info); |
| 459 | break; |
| 460 | } |
| 461 | case 'l': |
| 462 | { |
| 463 | int reg = GET_FIELD (insn, 21, 25); |
| 464 | |
| 465 | reg |= (GET_FIELD (insn, 26, 26) << 4); |
| 466 | fput_fp_reg (reg, info); |
| 467 | break; |
| 468 | } |
| 469 | case 'm': |
| 470 | { |
| 471 | int reg = GET_FIELD (insn, 16, 20); |
| 472 | |
| 473 | reg |= (GET_FIELD (insn, 26, 26) << 4); |
| 474 | fput_fp_reg (reg, info); |
| 475 | break; |
| 476 | } |
| 477 | case 'e': |
| 478 | if (GET_FIELD (insn, 25, 25)) |
| 479 | fput_fp_reg_r (GET_FIELD (insn, 11, 15), info); |
| 480 | else |
| 481 | fput_fp_reg (GET_FIELD (insn, 11, 15), info); |
| 482 | break; |
| 483 | |
| 484 | } |
| 485 | break; |
| 486 | |
| 487 | case '5': |
| 488 | fput_const (extract_5_load (insn), info); |
| 489 | break; |
| 490 | case 's': |
| 491 | (*info->fprintf_func) (info->stream, |
| 492 | "sr%d", GET_FIELD (insn, 16, 17)); |
| 493 | break; |
| 494 | |
| 495 | case 'S': |
| 496 | (*info->fprintf_func) (info->stream, "sr%d", extract_3 (insn)); |
| 497 | break; |
| 498 | |
| 499 | /* Handle completers. */ |
| 500 | case 'c': |
| 501 | switch (*++s) |
| 502 | { |
| 503 | case 'x': |
| 504 | (*info->fprintf_func) (info->stream, "%s ", |
| 505 | index_compl_names[GET_COMPL (insn)]); |
| 506 | break; |
| 507 | case 'm': |
| 508 | (*info->fprintf_func) (info->stream, "%s ", |
| 509 | short_ldst_compl_names[GET_COMPL (insn)]); |
| 510 | break; |
| 511 | case 's': |
| 512 | (*info->fprintf_func) (info->stream, "%s ", |
| 513 | short_bytes_compl_names[GET_COMPL (insn)]); |
| 514 | break; |
| 515 | case 'c': |
| 516 | case 'C': |
| 517 | switch (GET_FIELD (insn, 20, 21)) |
| 518 | { |
| 519 | case 1: |
| 520 | (*info->fprintf_func) (info->stream, ",bc "); |
| 521 | break; |
| 522 | case 2: |
| 523 | (*info->fprintf_func) (info->stream, ",sl "); |
| 524 | break; |
| 525 | default: |
| 526 | (*info->fprintf_func) (info->stream, " "); |
| 527 | } |
| 528 | break; |
| 529 | case 'd': |
| 530 | switch (GET_FIELD (insn, 20, 21)) |
| 531 | { |
| 532 | case 1: |
| 533 | (*info->fprintf_func) (info->stream, ",co "); |
| 534 | break; |
| 535 | default: |
| 536 | (*info->fprintf_func) (info->stream, " "); |
| 537 | } |
| 538 | break; |
| 539 | case 'o': |
| 540 | (*info->fprintf_func) (info->stream, ",o"); |
| 541 | break; |
| 542 | case 'g': |
| 543 | (*info->fprintf_func) (info->stream, ",gate"); |
| 544 | break; |
| 545 | case 'p': |
| 546 | (*info->fprintf_func) (info->stream, ",l,push"); |
| 547 | break; |
| 548 | case 'P': |
| 549 | (*info->fprintf_func) (info->stream, ",pop"); |
| 550 | break; |
| 551 | case 'l': |
| 552 | case 'L': |
| 553 | (*info->fprintf_func) (info->stream, ",l"); |
| 554 | break; |
| 555 | case 'w': |
| 556 | (*info->fprintf_func) (info->stream, "%s ", |
| 557 | read_write_names[GET_FIELD (insn, 25, 25)]); |
| 558 | break; |
| 559 | case 'W': |
| 560 | (*info->fprintf_func) (info->stream, ",w"); |
| 561 | break; |
| 562 | case 'r': |
| 563 | if (GET_FIELD (insn, 23, 26) == 5) |
| 564 | (*info->fprintf_func) (info->stream, ",r"); |
| 565 | break; |
| 566 | case 'Z': |
| 567 | if (GET_FIELD (insn, 26, 26)) |
| 568 | (*info->fprintf_func) (info->stream, ",m "); |
| 569 | else |
| 570 | (*info->fprintf_func) (info->stream, " "); |
| 571 | break; |
| 572 | case 'i': |
| 573 | if (GET_FIELD (insn, 25, 25)) |
| 574 | (*info->fprintf_func) (info->stream, ",i"); |
| 575 | break; |
| 576 | case 'z': |
| 577 | if (!GET_FIELD (insn, 21, 21)) |
| 578 | (*info->fprintf_func) (info->stream, ",z"); |
| 579 | break; |
| 580 | case 'a': |
| 581 | (*info->fprintf_func) |
| 582 | (info->stream, "%s", add_compl_names[GET_FIELD |
| 583 | (insn, 20, 21)]); |
| 584 | break; |
| 585 | case 'Y': |
| 586 | (*info->fprintf_func) |
| 587 | (info->stream, ",dc%s", add_compl_names[GET_FIELD |
| 588 | (insn, 20, 21)]); |
| 589 | break; |
| 590 | case 'y': |
| 591 | (*info->fprintf_func) |
| 592 | (info->stream, ",c%s", add_compl_names[GET_FIELD |
| 593 | (insn, 20, 21)]); |
| 594 | break; |
| 595 | case 'v': |
| 596 | if (GET_FIELD (insn, 20, 20)) |
| 597 | (*info->fprintf_func) (info->stream, ",tsv"); |
| 598 | break; |
| 599 | case 't': |
| 600 | (*info->fprintf_func) (info->stream, ",tc"); |
| 601 | if (GET_FIELD (insn, 20, 20)) |
| 602 | (*info->fprintf_func) (info->stream, ",tsv"); |
| 603 | break; |
| 604 | case 'B': |
| 605 | (*info->fprintf_func) (info->stream, ",db"); |
| 606 | if (GET_FIELD (insn, 20, 20)) |
| 607 | (*info->fprintf_func) (info->stream, ",tsv"); |
| 608 | break; |
| 609 | case 'b': |
| 610 | (*info->fprintf_func) (info->stream, ",b"); |
| 611 | if (GET_FIELD (insn, 20, 20)) |
| 612 | (*info->fprintf_func) (info->stream, ",tsv"); |
| 613 | break; |
| 614 | case 'T': |
| 615 | if (GET_FIELD (insn, 25, 25)) |
| 616 | (*info->fprintf_func) (info->stream, ",tc"); |
| 617 | break; |
| 618 | case 'S': |
| 619 | /* EXTRD/W has a following condition. */ |
| 620 | if (*(s + 1) == '?') |
| 621 | (*info->fprintf_func) |
| 622 | (info->stream, "%s", signed_unsigned_names[GET_FIELD |
| 623 | (insn, 21, 21)]); |
| 624 | else |
| 625 | (*info->fprintf_func) |
| 626 | (info->stream, "%s ", signed_unsigned_names[GET_FIELD |
| 627 | (insn, 21, 21)]); |
| 628 | break; |
| 629 | case 'h': |
| 630 | (*info->fprintf_func) |
| 631 | (info->stream, "%s", mix_half_names[GET_FIELD |
| 632 | (insn, 17, 17)]); |
| 633 | break; |
| 634 | case 'H': |
| 635 | (*info->fprintf_func) |
| 636 | (info->stream, "%s", saturation_names[GET_FIELD |
| 637 | (insn, 24, 25)]); |
| 638 | break; |
| 639 | case '*': |
| 640 | (*info->fprintf_func) |
| 641 | (info->stream, ",%d%d%d%d ", |
| 642 | GET_FIELD (insn, 17, 18), GET_FIELD (insn, 20, 21), |
| 643 | GET_FIELD (insn, 22, 23), GET_FIELD (insn, 24, 25)); |
| 644 | break; |
| 645 | |
| 646 | case 'q': |
| 647 | { |
| 648 | int m, a; |
| 649 | |
| 650 | m = GET_FIELD (insn, 28, 28); |
| 651 | a = GET_FIELD (insn, 29, 29); |
| 652 | |
| 653 | if (m && !a) |
| 654 | fputs_filtered (",ma ", info); |
| 655 | else if (m && a) |
| 656 | fputs_filtered (",mb ", info); |
| 657 | else |
| 658 | fputs_filtered (" ", info); |
| 659 | break; |
| 660 | } |
| 661 | |
| 662 | case 'J': |
| 663 | { |
| 664 | int opcode = GET_FIELD (insn, 0, 5); |
| 665 | |
| 666 | if (opcode == 0x16 || opcode == 0x1e) |
| 667 | { |
| 668 | if (GET_FIELD (insn, 29, 29) == 0) |
| 669 | fputs_filtered (",ma ", info); |
| 670 | else |
| 671 | fputs_filtered (",mb ", info); |
| 672 | } |
| 673 | else |
| 674 | fputs_filtered (" ", info); |
| 675 | break; |
| 676 | } |
| 677 | |
| 678 | case 'e': |
| 679 | { |
| 680 | int opcode = GET_FIELD (insn, 0, 5); |
| 681 | |
| 682 | if (opcode == 0x13 || opcode == 0x1b) |
| 683 | { |
| 684 | if (GET_FIELD (insn, 18, 18) == 1) |
| 685 | fputs_filtered (",mb ", info); |
| 686 | else |
| 687 | fputs_filtered (",ma ", info); |
| 688 | } |
| 689 | else if (opcode == 0x17 || opcode == 0x1f) |
| 690 | { |
| 691 | if (GET_FIELD (insn, 31, 31) == 1) |
| 692 | fputs_filtered (",ma ", info); |
| 693 | else |
| 694 | fputs_filtered (",mb ", info); |
| 695 | } |
| 696 | else |
| 697 | fputs_filtered (" ", info); |
| 698 | |
| 699 | break; |
| 700 | } |
| 701 | } |
| 702 | break; |
| 703 | |
| 704 | /* Handle conditions. */ |
| 705 | case '?': |
| 706 | { |
| 707 | s++; |
| 708 | switch (*s) |
| 709 | { |
| 710 | case 'f': |
| 711 | (*info->fprintf_func) (info->stream, "%s ", |
| 712 | float_comp_names[GET_FIELD |
| 713 | (insn, 27, 31)]); |
| 714 | break; |
| 715 | |
| 716 | /* these four conditions are for the set of instructions |
| 717 | which distinguish true/false conditions by opcode |
| 718 | rather than by the 'f' bit (sigh): comb, comib, |
| 719 | addb, addib */ |
| 720 | case 't': |
| 721 | fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18)], |
| 722 | info); |
| 723 | break; |
| 724 | case 'n': |
| 725 | fputs_filtered (compare_cond_names[GET_FIELD (insn, 16, 18) |
| 726 | + GET_FIELD (insn, 4, 4) * 8], info); |
| 727 | break; |
| 728 | case 'N': |
| 729 | fputs_filtered (compare_cond_64_names[GET_FIELD (insn, 16, 18) |
| 730 | + GET_FIELD (insn, 2, 2) * 8], info); |
| 731 | break; |
| 732 | case 'Q': |
| 733 | fputs_filtered (cmpib_cond_64_names[GET_FIELD (insn, 16, 18)], |
| 734 | info); |
| 735 | break; |
| 736 | case '@': |
| 737 | fputs_filtered (add_cond_names[GET_FIELD (insn, 16, 18) |
| 738 | + GET_FIELD (insn, 4, 4) * 8], info); |
| 739 | break; |
| 740 | case 's': |
| 741 | (*info->fprintf_func) (info->stream, "%s ", |
| 742 | compare_cond_names[GET_COND (insn)]); |
| 743 | break; |
| 744 | case 'S': |
| 745 | (*info->fprintf_func) (info->stream, "%s ", |
| 746 | compare_cond_64_names[GET_COND (insn)]); |
| 747 | break; |
| 748 | case 'a': |
| 749 | (*info->fprintf_func) (info->stream, "%s ", |
| 750 | add_cond_names[GET_COND (insn)]); |
| 751 | break; |
| 752 | case 'A': |
| 753 | (*info->fprintf_func) (info->stream, "%s ", |
| 754 | add_cond_64_names[GET_COND (insn)]); |
| 755 | break; |
| 756 | case 'd': |
| 757 | (*info->fprintf_func) (info->stream, "%s", |
| 758 | add_cond_names[GET_FIELD (insn, 16, 18)]); |
| 759 | break; |
| 760 | |
| 761 | case 'W': |
| 762 | (*info->fprintf_func) |
| 763 | (info->stream, "%s", |
| 764 | wide_add_cond_names[GET_FIELD (insn, 16, 18) + |
| 765 | GET_FIELD (insn, 4, 4) * 8]); |
| 766 | break; |
| 767 | |
| 768 | case 'l': |
| 769 | (*info->fprintf_func) (info->stream, "%s ", |
| 770 | logical_cond_names[GET_COND (insn)]); |
| 771 | break; |
| 772 | case 'L': |
| 773 | (*info->fprintf_func) (info->stream, "%s ", |
| 774 | logical_cond_64_names[GET_COND (insn)]); |
| 775 | break; |
| 776 | case 'u': |
| 777 | (*info->fprintf_func) (info->stream, "%s ", |
| 778 | unit_cond_names[GET_COND (insn)]); |
| 779 | break; |
| 780 | case 'U': |
| 781 | (*info->fprintf_func) (info->stream, "%s ", |
| 782 | unit_cond_64_names[GET_COND (insn)]); |
| 783 | break; |
| 784 | case 'y': |
| 785 | case 'x': |
| 786 | case 'b': |
| 787 | (*info->fprintf_func) |
| 788 | (info->stream, "%s", |
| 789 | shift_cond_names[GET_FIELD (insn, 16, 18)]); |
| 790 | |
| 791 | /* If the next character in args is 'n', it will handle |
| 792 | putting out the space. */ |
| 793 | if (s[1] != 'n') |
| 794 | (*info->fprintf_func) (info->stream, " "); |
| 795 | break; |
| 796 | case 'X': |
| 797 | (*info->fprintf_func) (info->stream, "%s ", |
| 798 | shift_cond_64_names[GET_FIELD (insn, 16, 18)]); |
| 799 | break; |
| 800 | case 'B': |
| 801 | (*info->fprintf_func) |
| 802 | (info->stream, "%s", |
| 803 | bb_cond_64_names[GET_FIELD (insn, 16, 16)]); |
| 804 | |
| 805 | /* If the next character in args is 'n', it will handle |
| 806 | putting out the space. */ |
| 807 | if (s[1] != 'n') |
| 808 | (*info->fprintf_func) (info->stream, " "); |
| 809 | break; |
| 810 | } |
| 811 | break; |
| 812 | } |
| 813 | |
| 814 | case 'V': |
| 815 | fput_const (extract_5_store (insn), info); |
| 816 | break; |
| 817 | case 'r': |
| 818 | fput_const (extract_5r_store (insn), info); |
| 819 | break; |
| 820 | case 'R': |
| 821 | fput_const (extract_5R_store (insn), info); |
| 822 | break; |
| 823 | case 'U': |
| 824 | fput_const (extract_10U_store (insn), info); |
| 825 | break; |
| 826 | case 'B': |
| 827 | case 'Q': |
| 828 | fput_const (extract_5Q_store (insn), info); |
| 829 | break; |
| 830 | case 'i': |
| 831 | fput_const (extract_11 (insn), info); |
| 832 | break; |
| 833 | case 'j': |
| 834 | fput_const (extract_14 (insn), info); |
| 835 | break; |
| 836 | case 'k': |
| 837 | fput_const (extract_21 (insn), info); |
| 838 | break; |
| 839 | case 'n': |
| 840 | if (insn & 0x2) |
| 841 | (*info->fprintf_func) (info->stream, ",n "); |
| 842 | else |
| 843 | (*info->fprintf_func) (info->stream, " "); |
| 844 | break; |
| 845 | case 'N': |
| 846 | if ((insn & 0x20) && s[1]) |
| 847 | (*info->fprintf_func) (info->stream, ",n "); |
| 848 | else if (insn & 0x20) |
| 849 | (*info->fprintf_func) (info->stream, ",n"); |
| 850 | else if (s[1]) |
| 851 | (*info->fprintf_func) (info->stream, " "); |
| 852 | break; |
| 853 | case 'w': |
| 854 | (*info->print_address_func) (memaddr + 8 + extract_12 (insn), |
| 855 | info); |
| 856 | break; |
| 857 | case 'W': |
| 858 | /* 17 bit PC-relative branch. */ |
| 859 | (*info->print_address_func) ((memaddr + 8 |
| 860 | + extract_17 (insn)), |
| 861 | info); |
| 862 | break; |
| 863 | case 'z': |
| 864 | /* 17 bit displacement. This is an offset from a register |
| 865 | so it gets disasssembled as just a number, not any sort |
| 866 | of address. */ |
| 867 | fput_const (extract_17 (insn), info); |
| 868 | break; |
| 869 | |
| 870 | case 'Z': |
| 871 | /* addil %r1 implicit output. */ |
| 872 | (*info->fprintf_func) (info->stream, "%%r1"); |
| 873 | break; |
| 874 | |
| 875 | case 'Y': |
| 876 | /* be,l %sr0,%r31 implicit output. */ |
| 877 | (*info->fprintf_func) (info->stream, "%%sr0,%%r31"); |
| 878 | break; |
| 879 | |
| 880 | case '@': |
| 881 | (*info->fprintf_func) (info->stream, "0"); |
| 882 | break; |
| 883 | |
| 884 | case '.': |
| 885 | (*info->fprintf_func) (info->stream, "%d", |
| 886 | GET_FIELD (insn, 24, 25)); |
| 887 | break; |
| 888 | case '*': |
| 889 | (*info->fprintf_func) (info->stream, "%d", |
| 890 | GET_FIELD (insn, 22, 25)); |
| 891 | break; |
| 892 | case '!': |
| 893 | (*info->fprintf_func) (info->stream, "%%sar"); |
| 894 | break; |
| 895 | case 'p': |
| 896 | (*info->fprintf_func) (info->stream, "%d", |
| 897 | 31 - GET_FIELD (insn, 22, 26)); |
| 898 | break; |
| 899 | case '~': |
| 900 | { |
| 901 | int num; |
| 902 | num = GET_FIELD (insn, 20, 20) << 5; |
| 903 | num |= GET_FIELD (insn, 22, 26); |
| 904 | (*info->fprintf_func) (info->stream, "%d", 63 - num); |
| 905 | break; |
| 906 | } |
| 907 | case 'P': |
| 908 | (*info->fprintf_func) (info->stream, "%d", |
| 909 | GET_FIELD (insn, 22, 26)); |
| 910 | break; |
| 911 | case 'q': |
| 912 | { |
| 913 | int num; |
| 914 | num = GET_FIELD (insn, 20, 20) << 5; |
| 915 | num |= GET_FIELD (insn, 22, 26); |
| 916 | (*info->fprintf_func) (info->stream, "%d", num); |
| 917 | break; |
| 918 | } |
| 919 | case 'T': |
| 920 | (*info->fprintf_func) (info->stream, "%d", |
| 921 | 32 - GET_FIELD (insn, 27, 31)); |
| 922 | break; |
| 923 | case '%': |
| 924 | { |
| 925 | int num; |
| 926 | num = (GET_FIELD (insn, 23, 23) + 1) * 32; |
| 927 | num -= GET_FIELD (insn, 27, 31); |
| 928 | (*info->fprintf_func) (info->stream, "%d", num); |
| 929 | break; |
| 930 | } |
| 931 | case '|': |
| 932 | { |
| 933 | int num; |
| 934 | num = (GET_FIELD (insn, 19, 19) + 1) * 32; |
| 935 | num -= GET_FIELD (insn, 27, 31); |
| 936 | (*info->fprintf_func) (info->stream, "%d", num); |
| 937 | break; |
| 938 | } |
| 939 | case '$': |
| 940 | fput_const (GET_FIELD (insn, 20, 28), info); |
| 941 | break; |
| 942 | case 'A': |
| 943 | fput_const (GET_FIELD (insn, 6, 18), info); |
| 944 | break; |
| 945 | case 'D': |
| 946 | fput_const (GET_FIELD (insn, 6, 31), info); |
| 947 | break; |
| 948 | case 'v': |
| 949 | (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25)); |
| 950 | break; |
| 951 | case 'O': |
| 952 | fput_const ((GET_FIELD (insn, 6,20) << 5 | |
| 953 | GET_FIELD (insn, 27, 31)), info); |
| 954 | break; |
| 955 | case 'o': |
| 956 | fput_const (GET_FIELD (insn, 6, 20), info); |
| 957 | break; |
| 958 | case '2': |
| 959 | fput_const ((GET_FIELD (insn, 6, 22) << 5 | |
| 960 | GET_FIELD (insn, 27, 31)), info); |
| 961 | break; |
| 962 | case '1': |
| 963 | fput_const ((GET_FIELD (insn, 11, 20) << 5 | |
| 964 | GET_FIELD (insn, 27, 31)), info); |
| 965 | break; |
| 966 | case '0': |
| 967 | fput_const ((GET_FIELD (insn, 16, 20) << 5 | |
| 968 | GET_FIELD (insn, 27, 31)), info); |
| 969 | break; |
| 970 | case 'u': |
| 971 | (*info->fprintf_func) (info->stream, ",%d", GET_FIELD (insn, 23, 25)); |
| 972 | break; |
| 973 | case 'F': |
| 974 | /* if no destination completer and not before a completer |
| 975 | for fcmp, need a space here */ |
| 976 | if (s[1] == 'G' || s[1] == '?') |
| 977 | fputs_filtered (float_format_names[GET_FIELD (insn, 19, 20)], |
| 978 | info); |
| 979 | else |
| 980 | (*info->fprintf_func) (info->stream, "%s ", |
| 981 | float_format_names[GET_FIELD |
| 982 | (insn, 19, 20)]); |
| 983 | break; |
| 984 | case 'G': |
| 985 | (*info->fprintf_func) (info->stream, "%s ", |
| 986 | float_format_names[GET_FIELD (insn, |
| 987 | 17, 18)]); |
| 988 | break; |
| 989 | case 'H': |
| 990 | if (GET_FIELD (insn, 26, 26) == 1) |
| 991 | (*info->fprintf_func) (info->stream, "%s ", |
| 992 | float_format_names[0]); |
| 993 | else |
| 994 | (*info->fprintf_func) (info->stream, "%s ", |
| 995 | float_format_names[1]); |
| 996 | break; |
| 997 | case 'I': |
| 998 | /* if no destination completer and not before a completer |
| 999 | for fcmp, need a space here */ |
| 1000 | if (s[1] == '?') |
| 1001 | fputs_filtered (float_format_names[GET_FIELD (insn, 20, 20)], |
| 1002 | info); |
| 1003 | else |
| 1004 | (*info->fprintf_func) (info->stream, "%s ", |
| 1005 | float_format_names[GET_FIELD |
| 1006 | (insn, 20, 20)]); |
| 1007 | break; |
| 1008 | |
| 1009 | case 'J': |
| 1010 | fput_const (extract_14 (insn), info); |
| 1011 | break; |
| 1012 | |
| 1013 | case '#': |
| 1014 | { |
| 1015 | int sign = GET_FIELD (insn, 31, 31); |
| 1016 | int imm10 = GET_FIELD (insn, 18, 27); |
| 1017 | int disp; |
| 1018 | |
| 1019 | if (sign) |
| 1020 | disp = (-1 << 10) | imm10; |
| 1021 | else |
| 1022 | disp = imm10; |
| 1023 | |
| 1024 | disp <<= 3; |
| 1025 | fput_const (disp, info); |
| 1026 | break; |
| 1027 | } |
| 1028 | case 'K': |
| 1029 | case 'd': |
| 1030 | { |
| 1031 | int sign = GET_FIELD (insn, 31, 31); |
| 1032 | int imm11 = GET_FIELD (insn, 18, 28); |
| 1033 | int disp; |
| 1034 | |
| 1035 | if (sign) |
| 1036 | disp = (-1 << 11) | imm11; |
| 1037 | else |
| 1038 | disp = imm11; |
| 1039 | |
| 1040 | disp <<= 2; |
| 1041 | fput_const (disp, info); |
| 1042 | break; |
| 1043 | } |
| 1044 | |
| 1045 | /* ?!? FIXME */ |
| 1046 | case '_': |
| 1047 | case '{': |
| 1048 | fputs_filtered ("Disassembler botch.\n", info); |
| 1049 | break; |
| 1050 | |
| 1051 | case 'm': |
| 1052 | { |
| 1053 | int y = GET_FIELD (insn, 16, 18); |
| 1054 | |
| 1055 | if (y != 1) |
| 1056 | fput_const ((y ^ 1) - 1, info); |
| 1057 | } |
| 1058 | break; |
| 1059 | |
| 1060 | case 'h': |
| 1061 | { |
| 1062 | int cbit; |
| 1063 | |
| 1064 | cbit = GET_FIELD (insn, 16, 18); |
| 1065 | |
| 1066 | if (cbit > 0) |
| 1067 | (*info->fprintf_func) (info->stream, ",%d", cbit - 1); |
| 1068 | break; |
| 1069 | } |
| 1070 | |
| 1071 | case '=': |
| 1072 | { |
| 1073 | int cond = GET_FIELD (insn, 27, 31); |
| 1074 | |
| 1075 | if (cond == 0) |
| 1076 | fputs_filtered (" ", info); |
| 1077 | else if (cond == 1) |
| 1078 | fputs_filtered ("acc ", info); |
| 1079 | else if (cond == 2) |
| 1080 | fputs_filtered ("rej ", info); |
| 1081 | else if (cond == 5) |
| 1082 | fputs_filtered ("acc8 ", info); |
| 1083 | else if (cond == 6) |
| 1084 | fputs_filtered ("rej8 ", info); |
| 1085 | else if (cond == 9) |
| 1086 | fputs_filtered ("acc6 ", info); |
| 1087 | else if (cond == 13) |
| 1088 | fputs_filtered ("acc4 ", info); |
| 1089 | else if (cond == 17) |
| 1090 | fputs_filtered ("acc2 ", info); |
| 1091 | break; |
| 1092 | } |
| 1093 | |
| 1094 | case 'X': |
| 1095 | (*info->print_address_func) ((memaddr + 8 |
| 1096 | + extract_22 (insn)), |
| 1097 | info); |
| 1098 | break; |
| 1099 | case 'L': |
| 1100 | fputs_filtered (",%r2", info); |
| 1101 | break; |
| 1102 | default: |
| 1103 | (*info->fprintf_func) (info->stream, "%c", *s); |
| 1104 | break; |
| 1105 | } |
| 1106 | } |
| 1107 | return sizeof(insn); |
| 1108 | } |
| 1109 | } |
| 1110 | (*info->fprintf_func) (info->stream, "#%8x", insn); |
| 1111 | return sizeof(insn); |
| 1112 | } |