| 1 | /* Disassemble i80960 instructions. |
| 2 | Copyright 1990, 1991, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2003, |
| 3 | 2005, 2007 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of the GNU opcodes library. |
| 6 | |
| 7 | This library 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 3, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | It is distributed in the hope that it will be useful, but WITHOUT |
| 13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 15 | License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; see the file COPYING. If not, write to the |
| 19 | Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 20 | 02110-1301, USA. */ |
| 21 | |
| 22 | #include "sysdep.h" |
| 23 | #include "dis-asm.h" |
| 24 | |
| 25 | static const char *const reg_names[] = { |
| 26 | /* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", |
| 27 | /* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", |
| 28 | /* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", |
| 29 | /* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", |
| 30 | /* 32 */ "pc", "ac", "ip", "tc", "fp0", "fp1", "fp2", "fp3" |
| 31 | }; |
| 32 | |
| 33 | |
| 34 | static FILE *stream; /* Output goes here */ |
| 35 | static struct disassemble_info *info; |
| 36 | static void print_addr (bfd_vma); |
| 37 | static void ctrl (bfd_vma, unsigned long, unsigned long); |
| 38 | static void cobr (bfd_vma, unsigned long, unsigned long); |
| 39 | static void reg (unsigned long); |
| 40 | static int mem (bfd_vma, unsigned long, unsigned long, int); |
| 41 | static void ea (bfd_vma, int, const char *, const char *, int, unsigned int); |
| 42 | static void dstop (int, int, int); |
| 43 | static void regop (int, int, int, int); |
| 44 | static void invalid (int); |
| 45 | static int pinsn (bfd_vma, unsigned long, unsigned long); |
| 46 | static void put_abs (unsigned long, unsigned long); |
| 47 | |
| 48 | |
| 49 | /* Print the i960 instruction at address 'memaddr' in debugged memory, |
| 50 | on INFO->STREAM. Returns length of the instruction, in bytes. */ |
| 51 | |
| 52 | int |
| 53 | print_insn_i960 (bfd_vma memaddr, struct disassemble_info *info_arg) |
| 54 | { |
| 55 | unsigned int word1, word2 = 0xdeadbeef; |
| 56 | bfd_byte buffer[8]; |
| 57 | int status; |
| 58 | |
| 59 | info = info_arg; |
| 60 | stream = info->stream; |
| 61 | |
| 62 | /* Read word1. Only read word2 if the instruction |
| 63 | needs it, to prevent reading past the end of a section. */ |
| 64 | |
| 65 | status = (*info->read_memory_func) (memaddr, (bfd_byte *) buffer, 4, info); |
| 66 | if (status != 0) |
| 67 | { |
| 68 | (*info->memory_error_func) (status, memaddr, info); |
| 69 | return -1; |
| 70 | } |
| 71 | |
| 72 | word1 = bfd_getl32 (buffer); |
| 73 | |
| 74 | /* Divide instruction set into classes based on high 4 bits of opcode. */ |
| 75 | switch ( (word1 >> 28) & 0xf ) |
| 76 | { |
| 77 | default: |
| 78 | break; |
| 79 | case 0x8: |
| 80 | case 0x9: |
| 81 | case 0xa: |
| 82 | case 0xb: |
| 83 | case 0xc: |
| 84 | /* Read word2. */ |
| 85 | status = (*info->read_memory_func) |
| 86 | (memaddr + 4, (bfd_byte *) (buffer + 4), 4, info); |
| 87 | if (status != 0) |
| 88 | { |
| 89 | (*info->memory_error_func) (status, memaddr, info); |
| 90 | return -1; |
| 91 | } |
| 92 | word2 = bfd_getl32 (buffer + 4); |
| 93 | break; |
| 94 | } |
| 95 | |
| 96 | return pinsn( memaddr, word1, word2 ); |
| 97 | } |
| 98 | \f |
| 99 | #define IN_GDB |
| 100 | |
| 101 | /***************************************************************************** |
| 102 | * All code below this point should be identical with that of |
| 103 | * the disassembler in gdmp960. |
| 104 | |
| 105 | A noble sentiment, but at least in cosmetic ways (info->fprintf_func), it |
| 106 | just ain't so. -kingdon, 31 Mar 93 |
| 107 | *****************************************************************************/ |
| 108 | |
| 109 | struct tabent { |
| 110 | char *name; |
| 111 | short numops; |
| 112 | }; |
| 113 | |
| 114 | struct sparse_tabent { |
| 115 | int opcode; |
| 116 | char *name; |
| 117 | short numops; |
| 118 | }; |
| 119 | |
| 120 | static int |
| 121 | pinsn (bfd_vma memaddr, unsigned long word1, unsigned long word2) |
| 122 | { |
| 123 | int instr_len; |
| 124 | |
| 125 | instr_len = 4; |
| 126 | put_abs (word1, word2); |
| 127 | |
| 128 | /* Divide instruction set into classes based on high 4 bits of opcode. */ |
| 129 | switch ((word1 >> 28) & 0xf) |
| 130 | { |
| 131 | case 0x0: |
| 132 | case 0x1: |
| 133 | ctrl (memaddr, word1, word2); |
| 134 | break; |
| 135 | case 0x2: |
| 136 | case 0x3: |
| 137 | cobr (memaddr, word1, word2); |
| 138 | break; |
| 139 | case 0x5: |
| 140 | case 0x6: |
| 141 | case 0x7: |
| 142 | reg (word1); |
| 143 | break; |
| 144 | case 0x8: |
| 145 | case 0x9: |
| 146 | case 0xa: |
| 147 | case 0xb: |
| 148 | case 0xc: |
| 149 | instr_len = mem (memaddr, word1, word2, 0); |
| 150 | break; |
| 151 | default: |
| 152 | /* Invalid instruction, print as data word. */ |
| 153 | invalid (word1); |
| 154 | break; |
| 155 | } |
| 156 | return instr_len; |
| 157 | } |
| 158 | |
| 159 | /* CTRL format.. */ |
| 160 | |
| 161 | static void |
| 162 | ctrl (bfd_vma memaddr, unsigned long word1, unsigned long word2 ATTRIBUTE_UNUSED) |
| 163 | { |
| 164 | int i; |
| 165 | static const struct tabent ctrl_tab[] = { |
| 166 | { NULL, 0, }, /* 0x00 */ |
| 167 | { NULL, 0, }, /* 0x01 */ |
| 168 | { NULL, 0, }, /* 0x02 */ |
| 169 | { NULL, 0, }, /* 0x03 */ |
| 170 | { NULL, 0, }, /* 0x04 */ |
| 171 | { NULL, 0, }, /* 0x05 */ |
| 172 | { NULL, 0, }, /* 0x06 */ |
| 173 | { NULL, 0, }, /* 0x07 */ |
| 174 | { "b", 1, }, /* 0x08 */ |
| 175 | { "call", 1, }, /* 0x09 */ |
| 176 | { "ret", 0, }, /* 0x0a */ |
| 177 | { "bal", 1, }, /* 0x0b */ |
| 178 | { NULL, 0, }, /* 0x0c */ |
| 179 | { NULL, 0, }, /* 0x0d */ |
| 180 | { NULL, 0, }, /* 0x0e */ |
| 181 | { NULL, 0, }, /* 0x0f */ |
| 182 | { "bno", 1, }, /* 0x10 */ |
| 183 | { "bg", 1, }, /* 0x11 */ |
| 184 | { "be", 1, }, /* 0x12 */ |
| 185 | { "bge", 1, }, /* 0x13 */ |
| 186 | { "bl", 1, }, /* 0x14 */ |
| 187 | { "bne", 1, }, /* 0x15 */ |
| 188 | { "ble", 1, }, /* 0x16 */ |
| 189 | { "bo", 1, }, /* 0x17 */ |
| 190 | { "faultno", 0, }, /* 0x18 */ |
| 191 | { "faultg", 0, }, /* 0x19 */ |
| 192 | { "faulte", 0, }, /* 0x1a */ |
| 193 | { "faultge", 0, }, /* 0x1b */ |
| 194 | { "faultl", 0, }, /* 0x1c */ |
| 195 | { "faultne", 0, }, /* 0x1d */ |
| 196 | { "faultle", 0, }, /* 0x1e */ |
| 197 | { "faulto", 0, }, /* 0x1f */ |
| 198 | }; |
| 199 | |
| 200 | i = (word1 >> 24) & 0xff; |
| 201 | if ((ctrl_tab[i].name == NULL) || ((word1 & 1) != 0)) |
| 202 | { |
| 203 | invalid (word1); |
| 204 | return; |
| 205 | } |
| 206 | |
| 207 | (*info->fprintf_func) (stream, "%s", ctrl_tab[i].name); |
| 208 | if (word1 & 2) |
| 209 | /* Predicts branch not taken. */ |
| 210 | (*info->fprintf_func) (stream, ".f"); |
| 211 | |
| 212 | if (ctrl_tab[i].numops == 1) |
| 213 | { |
| 214 | /* Extract displacement and convert to address. */ |
| 215 | word1 &= 0x00ffffff; |
| 216 | |
| 217 | if (word1 & 0x00800000) |
| 218 | { |
| 219 | /* Sign bit is set. */ |
| 220 | word1 |= (-1 & ~0xffffff); /* Sign extend. */ |
| 221 | } |
| 222 | |
| 223 | (*info->fprintf_func) (stream, "\t"); |
| 224 | print_addr (word1 + memaddr); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | /* COBR format. */ |
| 229 | |
| 230 | static void |
| 231 | cobr (bfd_vma memaddr, unsigned long word1, unsigned long word2 ATTRIBUTE_UNUSED) |
| 232 | { |
| 233 | int src1; |
| 234 | int src2; |
| 235 | int i; |
| 236 | |
| 237 | static const struct tabent cobr_tab[] = { |
| 238 | { "testno", 1, }, /* 0x20 */ |
| 239 | { "testg", 1, }, /* 0x21 */ |
| 240 | { "teste", 1, }, /* 0x22 */ |
| 241 | { "testge", 1, }, /* 0x23 */ |
| 242 | { "testl", 1, }, /* 0x24 */ |
| 243 | { "testne", 1, }, /* 0x25 */ |
| 244 | { "testle", 1, }, /* 0x26 */ |
| 245 | { "testo", 1, }, /* 0x27 */ |
| 246 | { NULL, 0, }, /* 0x28 */ |
| 247 | { NULL, 0, }, /* 0x29 */ |
| 248 | { NULL, 0, }, /* 0x2a */ |
| 249 | { NULL, 0, }, /* 0x2b */ |
| 250 | { NULL, 0, }, /* 0x2c */ |
| 251 | { NULL, 0, }, /* 0x2d */ |
| 252 | { NULL, 0, }, /* 0x2e */ |
| 253 | { NULL, 0, }, /* 0x2f */ |
| 254 | { "bbc", 3, }, /* 0x30 */ |
| 255 | { "cmpobg", 3, }, /* 0x31 */ |
| 256 | { "cmpobe", 3, }, /* 0x32 */ |
| 257 | { "cmpobge",3, }, /* 0x33 */ |
| 258 | { "cmpobl", 3, }, /* 0x34 */ |
| 259 | { "cmpobne",3, }, /* 0x35 */ |
| 260 | { "cmpoble",3, }, /* 0x36 */ |
| 261 | { "bbs", 3, }, /* 0x37 */ |
| 262 | { "cmpibno",3, }, /* 0x38 */ |
| 263 | { "cmpibg", 3, }, /* 0x39 */ |
| 264 | { "cmpibe", 3, }, /* 0x3a */ |
| 265 | { "cmpibge",3, }, /* 0x3b */ |
| 266 | { "cmpibl", 3, }, /* 0x3c */ |
| 267 | { "cmpibne",3, }, /* 0x3d */ |
| 268 | { "cmpible",3, }, /* 0x3e */ |
| 269 | { "cmpibo", 3, }, /* 0x3f */ |
| 270 | }; |
| 271 | |
| 272 | i = ((word1 >> 24) & 0xff) - 0x20; |
| 273 | if (cobr_tab[i].name == NULL) |
| 274 | { |
| 275 | invalid (word1); |
| 276 | return; |
| 277 | } |
| 278 | |
| 279 | (*info->fprintf_func) (stream, "%s", cobr_tab[i].name); |
| 280 | |
| 281 | /* Predicts branch not taken. */ |
| 282 | if (word1 & 2) |
| 283 | (*info->fprintf_func) (stream, ".f"); |
| 284 | |
| 285 | (*info->fprintf_func) (stream, "\t"); |
| 286 | |
| 287 | src1 = (word1 >> 19) & 0x1f; |
| 288 | src2 = (word1 >> 14) & 0x1f; |
| 289 | |
| 290 | if (word1 & 0x02000) |
| 291 | /* M1 is 1 */ |
| 292 | (*info->fprintf_func) (stream, "%d", src1); |
| 293 | else |
| 294 | (*info->fprintf_func) (stream, "%s", reg_names[src1]); |
| 295 | |
| 296 | if (cobr_tab[i].numops > 1) |
| 297 | { |
| 298 | if (word1 & 1) |
| 299 | /* S2 is 1. */ |
| 300 | (*info->fprintf_func) (stream, ",sf%d,", src2); |
| 301 | else |
| 302 | /* S1 is 0. */ |
| 303 | (*info->fprintf_func) (stream, ",%s,", reg_names[src2]); |
| 304 | |
| 305 | /* Extract displacement and convert to address. */ |
| 306 | word1 &= 0x00001ffc; |
| 307 | if (word1 & 0x00001000) |
| 308 | /* Negative displacement. */ |
| 309 | word1 |= (-1 & ~0x1fff); /* Sign extend. */ |
| 310 | |
| 311 | print_addr (memaddr + word1); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /* MEM format. */ |
| 316 | /* Returns instruction length: 4 or 8. */ |
| 317 | |
| 318 | static int |
| 319 | mem (bfd_vma memaddr, unsigned long word1, unsigned long word2, int noprint) |
| 320 | { |
| 321 | int i, j; |
| 322 | int len; |
| 323 | int mode; |
| 324 | int offset; |
| 325 | const char *reg1, *reg2, *reg3; |
| 326 | |
| 327 | /* This lookup table is too sparse to make it worth typing in, but not |
| 328 | so large as to make a sparse array necessary. We create the table |
| 329 | at runtime. */ |
| 330 | |
| 331 | /* NOTE: In this table, the meaning of 'numops' is: |
| 332 | 1: single operand |
| 333 | 2: 2 operands, load instruction |
| 334 | -2: 2 operands, store instruction. */ |
| 335 | static struct tabent *mem_tab; |
| 336 | /* Opcodes of 0x8X, 9X, aX, bX, and cX must be in the table. */ |
| 337 | #define MEM_MIN 0x80 |
| 338 | #define MEM_MAX 0xcf |
| 339 | #define MEM_SIZ ( * sizeof(struct tabent)) |
| 340 | |
| 341 | static const struct sparse_tabent mem_init[] = { |
| 342 | { 0x80, "ldob", 2 }, |
| 343 | { 0x82, "stob", -2 }, |
| 344 | { 0x84, "bx", 1 }, |
| 345 | { 0x85, "balx", 2 }, |
| 346 | { 0x86, "callx", 1 }, |
| 347 | { 0x88, "ldos", 2 }, |
| 348 | { 0x8a, "stos", -2 }, |
| 349 | { 0x8c, "lda", 2 }, |
| 350 | { 0x90, "ld", 2 }, |
| 351 | { 0x92, "st", -2 }, |
| 352 | { 0x98, "ldl", 2 }, |
| 353 | { 0x9a, "stl", -2 }, |
| 354 | { 0xa0, "ldt", 2 }, |
| 355 | { 0xa2, "stt", -2 }, |
| 356 | { 0xac, "dcinva", 1 }, |
| 357 | { 0xb0, "ldq", 2 }, |
| 358 | { 0xb2, "stq", -2 }, |
| 359 | { 0xc0, "ldib", 2 }, |
| 360 | { 0xc2, "stib", -2 }, |
| 361 | { 0xc8, "ldis", 2 }, |
| 362 | { 0xca, "stis", -2 }, |
| 363 | { 0, NULL, 0 } |
| 364 | }; |
| 365 | static struct tabent mem_tab_buf[MEM_MAX - MEM_MIN + 1]; |
| 366 | |
| 367 | if (mem_tab == NULL) |
| 368 | { |
| 369 | mem_tab = mem_tab_buf; |
| 370 | |
| 371 | for (i = 0; mem_init[i].opcode != 0; i++) |
| 372 | { |
| 373 | j = mem_init[i].opcode - MEM_MIN; |
| 374 | mem_tab[j].name = mem_init[i].name; |
| 375 | mem_tab[j].numops = mem_init[i].numops; |
| 376 | } |
| 377 | } |
| 378 | |
| 379 | i = ((word1 >> 24) & 0xff) - MEM_MIN; |
| 380 | mode = (word1 >> 10) & 0xf; |
| 381 | |
| 382 | if ((mem_tab[i].name != NULL) /* Valid instruction */ |
| 383 | && ((mode == 5) || (mode >= 12))) |
| 384 | /* With 32-bit displacement. */ |
| 385 | len = 8; |
| 386 | else |
| 387 | len = 4; |
| 388 | |
| 389 | if (noprint) |
| 390 | return len; |
| 391 | |
| 392 | if ((mem_tab[i].name == NULL) || (mode == 6)) |
| 393 | { |
| 394 | invalid (word1); |
| 395 | return len; |
| 396 | } |
| 397 | |
| 398 | (*info->fprintf_func) (stream, "%s\t", mem_tab[i].name); |
| 399 | |
| 400 | reg1 = reg_names[ (word1 >> 19) & 0x1f ]; /* MEMB only */ |
| 401 | reg2 = reg_names[ (word1 >> 14) & 0x1f ]; |
| 402 | reg3 = reg_names[ word1 & 0x1f ]; /* MEMB only */ |
| 403 | offset = word1 & 0xfff; /* MEMA only */ |
| 404 | |
| 405 | switch (mem_tab[i].numops) |
| 406 | { |
| 407 | case 2: /* LOAD INSTRUCTION */ |
| 408 | if (mode & 4) |
| 409 | { /* MEMB FORMAT */ |
| 410 | ea (memaddr, mode, reg2, reg3, word1, word2); |
| 411 | (*info->fprintf_func) (stream, ",%s", reg1); |
| 412 | } |
| 413 | else |
| 414 | { /* MEMA FORMAT */ |
| 415 | (*info->fprintf_func) (stream, "0x%x", (unsigned) offset); |
| 416 | |
| 417 | if (mode & 8) |
| 418 | (*info->fprintf_func) (stream, "(%s)", reg2); |
| 419 | |
| 420 | (*info->fprintf_func)(stream, ",%s", reg1); |
| 421 | } |
| 422 | break; |
| 423 | |
| 424 | case -2: /* STORE INSTRUCTION */ |
| 425 | if (mode & 4) |
| 426 | { |
| 427 | /* MEMB FORMAT */ |
| 428 | (*info->fprintf_func) (stream, "%s,", reg1); |
| 429 | ea (memaddr, mode, reg2, reg3, word1, word2); |
| 430 | } |
| 431 | else |
| 432 | { |
| 433 | /* MEMA FORMAT */ |
| 434 | (*info->fprintf_func) (stream, "%s,0x%x", reg1, (unsigned) offset); |
| 435 | |
| 436 | if (mode & 8) |
| 437 | (*info->fprintf_func) (stream, "(%s)", reg2); |
| 438 | } |
| 439 | break; |
| 440 | |
| 441 | case 1: /* BX/CALLX INSTRUCTION */ |
| 442 | if (mode & 4) |
| 443 | { |
| 444 | /* MEMB FORMAT */ |
| 445 | ea (memaddr, mode, reg2, reg3, word1, word2); |
| 446 | } |
| 447 | else |
| 448 | { |
| 449 | /* MEMA FORMAT */ |
| 450 | (*info->fprintf_func) (stream, "0x%x", (unsigned) offset); |
| 451 | if (mode & 8) |
| 452 | (*info->fprintf_func) (stream, "(%s)", reg2); |
| 453 | } |
| 454 | break; |
| 455 | } |
| 456 | |
| 457 | return len; |
| 458 | } |
| 459 | |
| 460 | /* REG format. */ |
| 461 | |
| 462 | static void |
| 463 | reg (unsigned long word1) |
| 464 | { |
| 465 | int i, j; |
| 466 | int opcode; |
| 467 | int fp; |
| 468 | int m1, m2, m3; |
| 469 | int s1, s2; |
| 470 | int src, src2, dst; |
| 471 | char *mnemp; |
| 472 | |
| 473 | /* This lookup table is too sparse to make it worth typing in, but not |
| 474 | so large as to make a sparse array necessary. We create the table |
| 475 | at runtime. */ |
| 476 | |
| 477 | /* NOTE: In this table, the meaning of 'numops' is: |
| 478 | 1: single operand, which is NOT a destination. |
| 479 | -1: single operand, which IS a destination. |
| 480 | 2: 2 operands, the 2nd of which is NOT a destination. |
| 481 | -2: 2 operands, the 2nd of which IS a destination. |
| 482 | 3: 3 operands |
| 483 | |
| 484 | If an opcode mnemonic begins with "F", it is a floating-point |
| 485 | opcode (the "F" is not printed). */ |
| 486 | |
| 487 | static struct tabent *reg_tab; |
| 488 | static const struct sparse_tabent reg_init[] = |
| 489 | { |
| 490 | #define REG_MIN 0x580 |
| 491 | { 0x580, "notbit", 3 }, |
| 492 | { 0x581, "and", 3 }, |
| 493 | { 0x582, "andnot", 3 }, |
| 494 | { 0x583, "setbit", 3 }, |
| 495 | { 0x584, "notand", 3 }, |
| 496 | { 0x586, "xor", 3 }, |
| 497 | { 0x587, "or", 3 }, |
| 498 | { 0x588, "nor", 3 }, |
| 499 | { 0x589, "xnor", 3 }, |
| 500 | { 0x58a, "not", -2 }, |
| 501 | { 0x58b, "ornot", 3 }, |
| 502 | { 0x58c, "clrbit", 3 }, |
| 503 | { 0x58d, "notor", 3 }, |
| 504 | { 0x58e, "nand", 3 }, |
| 505 | { 0x58f, "alterbit", 3 }, |
| 506 | { 0x590, "addo", 3 }, |
| 507 | { 0x591, "addi", 3 }, |
| 508 | { 0x592, "subo", 3 }, |
| 509 | { 0x593, "subi", 3 }, |
| 510 | { 0x594, "cmpob", 2 }, |
| 511 | { 0x595, "cmpib", 2 }, |
| 512 | { 0x596, "cmpos", 2 }, |
| 513 | { 0x597, "cmpis", 2 }, |
| 514 | { 0x598, "shro", 3 }, |
| 515 | { 0x59a, "shrdi", 3 }, |
| 516 | { 0x59b, "shri", 3 }, |
| 517 | { 0x59c, "shlo", 3 }, |
| 518 | { 0x59d, "rotate", 3 }, |
| 519 | { 0x59e, "shli", 3 }, |
| 520 | { 0x5a0, "cmpo", 2 }, |
| 521 | { 0x5a1, "cmpi", 2 }, |
| 522 | { 0x5a2, "concmpo", 2 }, |
| 523 | { 0x5a3, "concmpi", 2 }, |
| 524 | { 0x5a4, "cmpinco", 3 }, |
| 525 | { 0x5a5, "cmpinci", 3 }, |
| 526 | { 0x5a6, "cmpdeco", 3 }, |
| 527 | { 0x5a7, "cmpdeci", 3 }, |
| 528 | { 0x5ac, "scanbyte", 2 }, |
| 529 | { 0x5ad, "bswap", -2 }, |
| 530 | { 0x5ae, "chkbit", 2 }, |
| 531 | { 0x5b0, "addc", 3 }, |
| 532 | { 0x5b2, "subc", 3 }, |
| 533 | { 0x5b4, "intdis", 0 }, |
| 534 | { 0x5b5, "inten", 0 }, |
| 535 | { 0x5cc, "mov", -2 }, |
| 536 | { 0x5d8, "eshro", 3 }, |
| 537 | { 0x5dc, "movl", -2 }, |
| 538 | { 0x5ec, "movt", -2 }, |
| 539 | { 0x5fc, "movq", -2 }, |
| 540 | { 0x600, "synmov", 2 }, |
| 541 | { 0x601, "synmovl", 2 }, |
| 542 | { 0x602, "synmovq", 2 }, |
| 543 | { 0x603, "cmpstr", 3 }, |
| 544 | { 0x604, "movqstr", 3 }, |
| 545 | { 0x605, "movstr", 3 }, |
| 546 | { 0x610, "atmod", 3 }, |
| 547 | { 0x612, "atadd", 3 }, |
| 548 | { 0x613, "inspacc", -2 }, |
| 549 | { 0x614, "ldphy", -2 }, |
| 550 | { 0x615, "synld", -2 }, |
| 551 | { 0x617, "fill", 3 }, |
| 552 | { 0x630, "sdma", 3 }, |
| 553 | { 0x631, "udma", 0 }, |
| 554 | { 0x640, "spanbit", -2 }, |
| 555 | { 0x641, "scanbit", -2 }, |
| 556 | { 0x642, "daddc", 3 }, |
| 557 | { 0x643, "dsubc", 3 }, |
| 558 | { 0x644, "dmovt", -2 }, |
| 559 | { 0x645, "modac", 3 }, |
| 560 | { 0x646, "condrec", -2 }, |
| 561 | { 0x650, "modify", 3 }, |
| 562 | { 0x651, "extract", 3 }, |
| 563 | { 0x654, "modtc", 3 }, |
| 564 | { 0x655, "modpc", 3 }, |
| 565 | { 0x656, "receive", -2 }, |
| 566 | { 0x658, "intctl", -2 }, |
| 567 | { 0x659, "sysctl", 3 }, |
| 568 | { 0x65b, "icctl", 3 }, |
| 569 | { 0x65c, "dcctl", 3 }, |
| 570 | { 0x65d, "halt", 0 }, |
| 571 | { 0x660, "calls", 1 }, |
| 572 | { 0x662, "send", 3 }, |
| 573 | { 0x663, "sendserv", 1 }, |
| 574 | { 0x664, "resumprcs", 1 }, |
| 575 | { 0x665, "schedprcs", 1 }, |
| 576 | { 0x666, "saveprcs", 0 }, |
| 577 | { 0x668, "condwait", 1 }, |
| 578 | { 0x669, "wait", 1 }, |
| 579 | { 0x66a, "signal", 1 }, |
| 580 | { 0x66b, "mark", 0 }, |
| 581 | { 0x66c, "fmark", 0 }, |
| 582 | { 0x66d, "flushreg", 0 }, |
| 583 | { 0x66f, "syncf", 0 }, |
| 584 | { 0x670, "emul", 3 }, |
| 585 | { 0x671, "ediv", 3 }, |
| 586 | { 0x673, "ldtime", -1 }, |
| 587 | { 0x674, "Fcvtir", -2 }, |
| 588 | { 0x675, "Fcvtilr", -2 }, |
| 589 | { 0x676, "Fscalerl", 3 }, |
| 590 | { 0x677, "Fscaler", 3 }, |
| 591 | { 0x680, "Fatanr", 3 }, |
| 592 | { 0x681, "Flogepr", 3 }, |
| 593 | { 0x682, "Flogr", 3 }, |
| 594 | { 0x683, "Fremr", 3 }, |
| 595 | { 0x684, "Fcmpor", 2 }, |
| 596 | { 0x685, "Fcmpr", 2 }, |
| 597 | { 0x688, "Fsqrtr", -2 }, |
| 598 | { 0x689, "Fexpr", -2 }, |
| 599 | { 0x68a, "Flogbnr", -2 }, |
| 600 | { 0x68b, "Froundr", -2 }, |
| 601 | { 0x68c, "Fsinr", -2 }, |
| 602 | { 0x68d, "Fcosr", -2 }, |
| 603 | { 0x68e, "Ftanr", -2 }, |
| 604 | { 0x68f, "Fclassr", 1 }, |
| 605 | { 0x690, "Fatanrl", 3 }, |
| 606 | { 0x691, "Flogeprl", 3 }, |
| 607 | { 0x692, "Flogrl", 3 }, |
| 608 | { 0x693, "Fremrl", 3 }, |
| 609 | { 0x694, "Fcmporl", 2 }, |
| 610 | { 0x695, "Fcmprl", 2 }, |
| 611 | { 0x698, "Fsqrtrl", -2 }, |
| 612 | { 0x699, "Fexprl", -2 }, |
| 613 | { 0x69a, "Flogbnrl", -2 }, |
| 614 | { 0x69b, "Froundrl", -2 }, |
| 615 | { 0x69c, "Fsinrl", -2 }, |
| 616 | { 0x69d, "Fcosrl", -2 }, |
| 617 | { 0x69e, "Ftanrl", -2 }, |
| 618 | { 0x69f, "Fclassrl", 1 }, |
| 619 | { 0x6c0, "Fcvtri", -2 }, |
| 620 | { 0x6c1, "Fcvtril", -2 }, |
| 621 | { 0x6c2, "Fcvtzri", -2 }, |
| 622 | { 0x6c3, "Fcvtzril", -2 }, |
| 623 | { 0x6c9, "Fmovr", -2 }, |
| 624 | { 0x6d9, "Fmovrl", -2 }, |
| 625 | { 0x6e1, "Fmovre", -2 }, |
| 626 | { 0x6e2, "Fcpysre", 3 }, |
| 627 | { 0x6e3, "Fcpyrsre", 3 }, |
| 628 | { 0x701, "mulo", 3 }, |
| 629 | { 0x708, "remo", 3 }, |
| 630 | { 0x70b, "divo", 3 }, |
| 631 | { 0x741, "muli", 3 }, |
| 632 | { 0x748, "remi", 3 }, |
| 633 | { 0x749, "modi", 3 }, |
| 634 | { 0x74b, "divi", 3 }, |
| 635 | { 0x780, "addono", 3 }, |
| 636 | { 0x781, "addino", 3 }, |
| 637 | { 0x782, "subono", 3 }, |
| 638 | { 0x783, "subino", 3 }, |
| 639 | { 0x784, "selno", 3 }, |
| 640 | { 0x78b, "Fdivr", 3 }, |
| 641 | { 0x78c, "Fmulr", 3 }, |
| 642 | { 0x78d, "Fsubr", 3 }, |
| 643 | { 0x78f, "Faddr", 3 }, |
| 644 | { 0x790, "addog", 3 }, |
| 645 | { 0x791, "addig", 3 }, |
| 646 | { 0x792, "subog", 3 }, |
| 647 | { 0x793, "subig", 3 }, |
| 648 | { 0x794, "selg", 3 }, |
| 649 | { 0x79b, "Fdivrl", 3 }, |
| 650 | { 0x79c, "Fmulrl", 3 }, |
| 651 | { 0x79d, "Fsubrl", 3 }, |
| 652 | { 0x79f, "Faddrl", 3 }, |
| 653 | { 0x7a0, "addoe", 3 }, |
| 654 | { 0x7a1, "addie", 3 }, |
| 655 | { 0x7a2, "suboe", 3 }, |
| 656 | { 0x7a3, "subie", 3 }, |
| 657 | { 0x7a4, "sele", 3 }, |
| 658 | { 0x7b0, "addoge", 3 }, |
| 659 | { 0x7b1, "addige", 3 }, |
| 660 | { 0x7b2, "suboge", 3 }, |
| 661 | { 0x7b3, "subige", 3 }, |
| 662 | { 0x7b4, "selge", 3 }, |
| 663 | { 0x7c0, "addol", 3 }, |
| 664 | { 0x7c1, "addil", 3 }, |
| 665 | { 0x7c2, "subol", 3 }, |
| 666 | { 0x7c3, "subil", 3 }, |
| 667 | { 0x7c4, "sell", 3 }, |
| 668 | { 0x7d0, "addone", 3 }, |
| 669 | { 0x7d1, "addine", 3 }, |
| 670 | { 0x7d2, "subone", 3 }, |
| 671 | { 0x7d3, "subine", 3 }, |
| 672 | { 0x7d4, "selne", 3 }, |
| 673 | { 0x7e0, "addole", 3 }, |
| 674 | { 0x7e1, "addile", 3 }, |
| 675 | { 0x7e2, "subole", 3 }, |
| 676 | { 0x7e3, "subile", 3 }, |
| 677 | { 0x7e4, "selle", 3 }, |
| 678 | { 0x7f0, "addoo", 3 }, |
| 679 | { 0x7f1, "addio", 3 }, |
| 680 | { 0x7f2, "suboo", 3 }, |
| 681 | { 0x7f3, "subio", 3 }, |
| 682 | { 0x7f4, "selo", 3 }, |
| 683 | #define REG_MAX 0x7f4 |
| 684 | { 0, NULL, 0 } |
| 685 | }; |
| 686 | static struct tabent reg_tab_buf[REG_MAX - REG_MIN + 1]; |
| 687 | |
| 688 | if (reg_tab == NULL) |
| 689 | { |
| 690 | reg_tab = reg_tab_buf; |
| 691 | |
| 692 | for (i = 0; reg_init[i].opcode != 0; i++) |
| 693 | { |
| 694 | j = reg_init[i].opcode - REG_MIN; |
| 695 | reg_tab[j].name = reg_init[i].name; |
| 696 | reg_tab[j].numops = reg_init[i].numops; |
| 697 | } |
| 698 | } |
| 699 | |
| 700 | opcode = ((word1 >> 20) & 0xff0) | ((word1 >> 7) & 0xf); |
| 701 | i = opcode - REG_MIN; |
| 702 | |
| 703 | if ((opcode<REG_MIN) || (opcode>REG_MAX) || (reg_tab[i].name==NULL)) |
| 704 | { |
| 705 | invalid (word1); |
| 706 | return; |
| 707 | } |
| 708 | |
| 709 | mnemp = reg_tab[i].name; |
| 710 | if (*mnemp == 'F') |
| 711 | { |
| 712 | fp = 1; |
| 713 | mnemp++; |
| 714 | } |
| 715 | else |
| 716 | { |
| 717 | fp = 0; |
| 718 | } |
| 719 | |
| 720 | (*info->fprintf_func) (stream, "%s", mnemp); |
| 721 | |
| 722 | s1 = (word1 >> 5) & 1; |
| 723 | s2 = (word1 >> 6) & 1; |
| 724 | m1 = (word1 >> 11) & 1; |
| 725 | m2 = (word1 >> 12) & 1; |
| 726 | m3 = (word1 >> 13) & 1; |
| 727 | src = word1 & 0x1f; |
| 728 | src2 = (word1 >> 14) & 0x1f; |
| 729 | dst = (word1 >> 19) & 0x1f; |
| 730 | |
| 731 | if (reg_tab[i].numops != 0) |
| 732 | { |
| 733 | (*info->fprintf_func) (stream, "\t"); |
| 734 | |
| 735 | switch (reg_tab[i].numops) |
| 736 | { |
| 737 | case 1: |
| 738 | regop (m1, s1, src, fp); |
| 739 | break; |
| 740 | case -1: |
| 741 | dstop (m3, dst, fp); |
| 742 | break; |
| 743 | case 2: |
| 744 | regop (m1, s1, src, fp); |
| 745 | (*info->fprintf_func) (stream, ","); |
| 746 | regop (m2, s2, src2, fp); |
| 747 | break; |
| 748 | case -2: |
| 749 | regop (m1, s1, src, fp); |
| 750 | (*info->fprintf_func) (stream, ","); |
| 751 | dstop (m3, dst, fp); |
| 752 | break; |
| 753 | case 3: |
| 754 | regop (m1, s1, src, fp); |
| 755 | (*info->fprintf_func) (stream, ","); |
| 756 | regop (m2, s2, src2, fp); |
| 757 | (*info->fprintf_func) (stream, ","); |
| 758 | dstop (m3, dst, fp); |
| 759 | break; |
| 760 | } |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | /* Print out effective address for memb instructions. */ |
| 765 | |
| 766 | static void |
| 767 | ea (bfd_vma memaddr, int mode, const char *reg2, const char *reg3, int word1, |
| 768 | unsigned int word2) |
| 769 | { |
| 770 | int scale; |
| 771 | static const int scale_tab[] = { 1, 2, 4, 8, 16 }; |
| 772 | |
| 773 | scale = (word1 >> 7) & 0x07; |
| 774 | |
| 775 | if ((scale > 4) || (((word1 >> 5) & 0x03) != 0)) |
| 776 | { |
| 777 | invalid (word1); |
| 778 | return; |
| 779 | } |
| 780 | scale = scale_tab[scale]; |
| 781 | |
| 782 | switch (mode) |
| 783 | { |
| 784 | case 4: /* (reg) */ |
| 785 | (*info->fprintf_func)( stream, "(%s)", reg2 ); |
| 786 | break; |
| 787 | case 5: /* displ+8(ip) */ |
| 788 | print_addr (word2 + 8 + memaddr); |
| 789 | break; |
| 790 | case 7: /* (reg)[index*scale] */ |
| 791 | if (scale == 1) |
| 792 | (*info->fprintf_func) (stream, "(%s)[%s]", reg2, reg3); |
| 793 | else |
| 794 | (*info->fprintf_func) (stream, "(%s)[%s*%d]", reg2, reg3, scale); |
| 795 | break; |
| 796 | case 12: /* displacement */ |
| 797 | print_addr ((bfd_vma) word2); |
| 798 | break; |
| 799 | case 13: /* displ(reg) */ |
| 800 | print_addr ((bfd_vma) word2); |
| 801 | (*info->fprintf_func) (stream, "(%s)", reg2); |
| 802 | break; |
| 803 | case 14: /* displ[index*scale] */ |
| 804 | print_addr ((bfd_vma) word2); |
| 805 | if (scale == 1) |
| 806 | (*info->fprintf_func) (stream, "[%s]", reg3); |
| 807 | else |
| 808 | (*info->fprintf_func) (stream, "[%s*%d]", reg3, scale); |
| 809 | break; |
| 810 | case 15: /* displ(reg)[index*scale] */ |
| 811 | print_addr ((bfd_vma) word2); |
| 812 | if (scale == 1) |
| 813 | (*info->fprintf_func) (stream, "(%s)[%s]", reg2, reg3); |
| 814 | else |
| 815 | (*info->fprintf_func) (stream, "(%s)[%s*%d]", reg2, reg3, scale); |
| 816 | break; |
| 817 | default: |
| 818 | invalid (word1); |
| 819 | return; |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | |
| 824 | /* Register Instruction Operand. */ |
| 825 | |
| 826 | static void |
| 827 | regop (int mode, int spec, int fp_reg, int fp) |
| 828 | { |
| 829 | if (fp) |
| 830 | { |
| 831 | /* Floating point instruction. */ |
| 832 | if (mode == 1) |
| 833 | { |
| 834 | /* FP operand. */ |
| 835 | switch (fp_reg) |
| 836 | { |
| 837 | case 0: (*info->fprintf_func) (stream, "fp0"); |
| 838 | break; |
| 839 | case 1: (*info->fprintf_func) (stream, "fp1"); |
| 840 | break; |
| 841 | case 2: (*info->fprintf_func) (stream, "fp2"); |
| 842 | break; |
| 843 | case 3: (*info->fprintf_func) (stream, "fp3"); |
| 844 | break; |
| 845 | case 16: (*info->fprintf_func) (stream, "0f0.0"); |
| 846 | break; |
| 847 | case 22: (*info->fprintf_func) (stream, "0f1.0"); |
| 848 | break; |
| 849 | default: (*info->fprintf_func) (stream, "?"); |
| 850 | break; |
| 851 | } |
| 852 | } |
| 853 | else |
| 854 | { |
| 855 | /* Non-FP register. */ |
| 856 | (*info->fprintf_func) (stream, "%s", reg_names[fp_reg]); |
| 857 | } |
| 858 | } |
| 859 | else |
| 860 | { |
| 861 | /* Not floating point. */ |
| 862 | if (mode == 1) |
| 863 | { |
| 864 | /* Literal. */ |
| 865 | (*info->fprintf_func) (stream, "%d", fp_reg); |
| 866 | } |
| 867 | else |
| 868 | { |
| 869 | /* Register. */ |
| 870 | if (spec == 0) |
| 871 | (*info->fprintf_func) (stream, "%s", reg_names[fp_reg]); |
| 872 | else |
| 873 | (*info->fprintf_func) (stream, "sf%d", fp_reg); |
| 874 | } |
| 875 | } |
| 876 | } |
| 877 | |
| 878 | /* Register Instruction Destination Operand. */ |
| 879 | |
| 880 | static void |
| 881 | dstop (int mode, int dest_reg, int fp) |
| 882 | { |
| 883 | /* 'dst' operand can't be a literal. On non-FP instructions, register |
| 884 | mode is assumed and "m3" acts as if were "s3"; on FP-instructions, |
| 885 | sf registers are not allowed so m3 acts normally. */ |
| 886 | if (fp) |
| 887 | regop (mode, 0, dest_reg, fp); |
| 888 | else |
| 889 | regop (0, mode, dest_reg, fp); |
| 890 | } |
| 891 | |
| 892 | static void |
| 893 | invalid (int word1) |
| 894 | { |
| 895 | (*info->fprintf_func) (stream, ".word\t0x%08x", (unsigned) word1); |
| 896 | } |
| 897 | |
| 898 | static void |
| 899 | print_addr (bfd_vma a) |
| 900 | { |
| 901 | (*info->print_address_func) (a, info); |
| 902 | } |
| 903 | |
| 904 | static void |
| 905 | put_abs (unsigned long word1 ATTRIBUTE_UNUSED, |
| 906 | unsigned long word2 ATTRIBUTE_UNUSED) |
| 907 | { |
| 908 | #ifdef IN_GDB |
| 909 | return; |
| 910 | #else |
| 911 | int len; |
| 912 | |
| 913 | switch ((word1 >> 28) & 0xf) |
| 914 | { |
| 915 | case 0x8: |
| 916 | case 0x9: |
| 917 | case 0xa: |
| 918 | case 0xb: |
| 919 | case 0xc: |
| 920 | /* MEM format instruction. */ |
| 921 | len = mem (0, word1, word2, 1); |
| 922 | break; |
| 923 | default: |
| 924 | len = 4; |
| 925 | break; |
| 926 | } |
| 927 | |
| 928 | if (len == 8) |
| 929 | (*info->fprintf_func) (stream, "%08x %08x\t", word1, word2); |
| 930 | else |
| 931 | (*info->fprintf_func) (stream, "%08x \t", word1); |
| 932 | #endif |
| 933 | } |