| 1 | /* tc-s12z.c -- Assembler code for the Freescale S12Z |
| 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GAS, the GNU Assembler. |
| 5 | |
| 6 | GAS is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GAS is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GAS; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
| 19 | Boston, MA 02110-1301, USA. */ |
| 20 | |
| 21 | #include "as.h" |
| 22 | #include "safe-ctype.h" |
| 23 | #include "subsegs.h" |
| 24 | #include "dwarf2dbg.h" |
| 25 | #include "opcode/s12z.h" |
| 26 | #include <stdint.h> |
| 27 | #include <limits.h> |
| 28 | #include <stdbool.h> |
| 29 | |
| 30 | const char comment_chars[] = ";"; |
| 31 | |
| 32 | const char line_comment_chars[] = "#*"; |
| 33 | const char line_separator_chars[] = ""; |
| 34 | |
| 35 | static char * register_prefix = NULL; |
| 36 | |
| 37 | const char EXP_CHARS[] = "eE"; |
| 38 | const char FLT_CHARS[] = "dD"; |
| 39 | |
| 40 | static char *fail_line_pointer; |
| 41 | |
| 42 | /* A wrapper around the standard library's strtol. |
| 43 | It converts STR into an integral value. |
| 44 | This wrapper deals with literal_prefix_dollar_hex. */ |
| 45 | static long |
| 46 | s12z_strtol (const char *str, char ** endptr) |
| 47 | { |
| 48 | int base = 0; |
| 49 | bool negative = false; |
| 50 | |
| 51 | long result = 0; |
| 52 | |
| 53 | char *start = (char *) str; |
| 54 | |
| 55 | /* In the case where literal_prefix_dollar_hex is TRUE the sign has |
| 56 | to be handled explicitly. Otherwise the string will not be |
| 57 | recognised as an integer. */ |
| 58 | if (str[0] == '-') |
| 59 | { |
| 60 | negative = true; |
| 61 | ++str; |
| 62 | } |
| 63 | else if (str[0] == '+') |
| 64 | { |
| 65 | ++str; |
| 66 | } |
| 67 | |
| 68 | if (literal_prefix_dollar_hex && (str[0] == '$')) |
| 69 | { |
| 70 | base = 16; |
| 71 | str++; |
| 72 | } |
| 73 | |
| 74 | result = strtol (str, endptr, base); |
| 75 | if (*endptr == str) |
| 76 | { |
| 77 | *endptr = start; |
| 78 | } |
| 79 | if (negative) |
| 80 | result = -result; |
| 81 | |
| 82 | return result; |
| 83 | } |
| 84 | |
| 85 | |
| 86 | \f |
| 87 | /* Options and initialization. */ |
| 88 | |
| 89 | const char *md_shortopts = ""; |
| 90 | |
| 91 | struct option md_longopts[] = |
| 92 | { |
| 93 | #define OPTION_REG_PREFIX (OPTION_MD_BASE) |
| 94 | {"mreg-prefix", required_argument, NULL, OPTION_REG_PREFIX}, |
| 95 | #define OPTION_DOLLAR_HEX (OPTION_MD_BASE + 1) |
| 96 | {"mdollar-hex", no_argument, NULL, OPTION_DOLLAR_HEX}, |
| 97 | {NULL, no_argument, NULL, 0} |
| 98 | }; |
| 99 | |
| 100 | size_t md_longopts_size = sizeof (md_longopts); |
| 101 | \f |
| 102 | |
| 103 | relax_typeS md_relax_table[] = |
| 104 | { |
| 105 | |
| 106 | }; |
| 107 | |
| 108 | /* This table describes all the machine specific pseudo-ops the assembler |
| 109 | has to support. The fields are: |
| 110 | pseudo-op name without dot |
| 111 | function to call to execute this pseudo-op |
| 112 | Integer arg to pass to the function. */ |
| 113 | const pseudo_typeS md_pseudo_table[] = |
| 114 | { |
| 115 | {0, 0, 0} |
| 116 | }; |
| 117 | \f |
| 118 | |
| 119 | /* Get the target cpu for the assembler. */ |
| 120 | const char * |
| 121 | s12z_arch_format (void) |
| 122 | { |
| 123 | return "elf32-s12z"; |
| 124 | } |
| 125 | |
| 126 | enum bfd_architecture |
| 127 | s12z_arch (void) |
| 128 | { |
| 129 | return bfd_arch_s12z; |
| 130 | } |
| 131 | |
| 132 | int |
| 133 | s12z_mach (void) |
| 134 | { |
| 135 | return 0; |
| 136 | } |
| 137 | |
| 138 | /* Listing header selected according to cpu. */ |
| 139 | const char * |
| 140 | s12z_listing_header (void) |
| 141 | { |
| 142 | return "S12Z GAS "; |
| 143 | } |
| 144 | |
| 145 | void |
| 146 | md_show_usage (FILE *stream) |
| 147 | { |
| 148 | fputs (_("\ns12z options:\n"), stream); |
| 149 | fputs (_(" -mreg-prefix=PREFIX set a prefix used to indicate register names (default none)\n"), stream); |
| 150 | fputs (_(" -mdollar-hex the prefix '$' instead of '0x' is used to indicate literal hexadecimal constants\n"), stream); |
| 151 | } |
| 152 | |
| 153 | void |
| 154 | s12z_print_statistics (FILE *file ATTRIBUTE_UNUSED) |
| 155 | { |
| 156 | } |
| 157 | |
| 158 | int |
| 159 | md_parse_option (int c, const char *arg) |
| 160 | { |
| 161 | switch (c) |
| 162 | { |
| 163 | case OPTION_REG_PREFIX: |
| 164 | register_prefix = xstrdup (arg); |
| 165 | break; |
| 166 | case OPTION_DOLLAR_HEX: |
| 167 | literal_prefix_dollar_hex = TRUE; |
| 168 | break; |
| 169 | default: |
| 170 | return 0; |
| 171 | } |
| 172 | return 1; |
| 173 | } |
| 174 | \f |
| 175 | symbolS * |
| 176 | md_undefined_symbol (char *name ATTRIBUTE_UNUSED) |
| 177 | { |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | const char * |
| 182 | md_atof (int type, char *litP, int *sizeP) |
| 183 | { |
| 184 | return ieee_md_atof (type, litP, sizeP, TRUE); |
| 185 | } |
| 186 | |
| 187 | valueT |
| 188 | md_section_align (asection *seg, valueT addr) |
| 189 | { |
| 190 | int align = bfd_section_alignment (seg); |
| 191 | return ((addr + (1 << align) - 1) & -(1 << align)); |
| 192 | } |
| 193 | |
| 194 | void |
| 195 | md_begin (void) |
| 196 | { |
| 197 | } |
| 198 | |
| 199 | void |
| 200 | s12z_init_after_args (void) |
| 201 | { |
| 202 | if (flag_traditional_format) |
| 203 | literal_prefix_dollar_hex = TRUE; |
| 204 | } |
| 205 | \f |
| 206 | /* Builtin help. */ |
| 207 | |
| 208 | |
| 209 | static char * |
| 210 | skip_whites (char *p) |
| 211 | { |
| 212 | while (*p == ' ' || *p == '\t') |
| 213 | p++; |
| 214 | |
| 215 | return p; |
| 216 | } |
| 217 | |
| 218 | |
| 219 | |
| 220 | /* Start a new insn that contains at least 'size' bytes. Record the |
| 221 | line information of that insn in the dwarf2 debug sections. */ |
| 222 | static char * |
| 223 | s12z_new_insn (int size) |
| 224 | { |
| 225 | char *f = frag_more (size); |
| 226 | |
| 227 | dwarf2_emit_insn (size); |
| 228 | |
| 229 | return f; |
| 230 | } |
| 231 | |
| 232 | \f |
| 233 | |
| 234 | static bfd_boolean lex_reg_name (uint16_t which, int *reg); |
| 235 | |
| 236 | static bfd_boolean |
| 237 | lex_constant (long *v) |
| 238 | { |
| 239 | char *end = NULL; |
| 240 | char *p = input_line_pointer; |
| 241 | |
| 242 | /* A constant may not have the same value as a register |
| 243 | eg: "d6" */ |
| 244 | int dummy; |
| 245 | if (lex_reg_name (~0, &dummy)) |
| 246 | { |
| 247 | input_line_pointer = p; |
| 248 | return false; |
| 249 | } |
| 250 | |
| 251 | errno = 0; |
| 252 | *v = s12z_strtol (p, &end); |
| 253 | if (errno == 0 && end != p) |
| 254 | { |
| 255 | input_line_pointer = end; |
| 256 | return true; |
| 257 | } |
| 258 | |
| 259 | return false; |
| 260 | } |
| 261 | |
| 262 | static bfd_boolean |
| 263 | lex_match (char x) |
| 264 | { |
| 265 | char *p = input_line_pointer; |
| 266 | if (*p != x) |
| 267 | return false; |
| 268 | |
| 269 | input_line_pointer++; |
| 270 | return true; |
| 271 | } |
| 272 | |
| 273 | |
| 274 | static bfd_boolean |
| 275 | lex_expression (expressionS *exp) |
| 276 | { |
| 277 | char *ilp = input_line_pointer; |
| 278 | int dummy; |
| 279 | exp->X_op = O_absent; |
| 280 | |
| 281 | if (lex_match ('#')) |
| 282 | goto fail; |
| 283 | |
| 284 | if (lex_reg_name (~0, &dummy)) |
| 285 | goto fail; |
| 286 | |
| 287 | expression (exp); |
| 288 | if (exp->X_op != O_absent) |
| 289 | return true; |
| 290 | |
| 291 | fail: |
| 292 | fail_line_pointer = input_line_pointer; |
| 293 | input_line_pointer = ilp; |
| 294 | return false; |
| 295 | } |
| 296 | |
| 297 | /* Immediate operand. |
| 298 | If EXP_O is non-null, then a symbolic expression is permitted, |
| 299 | in which case, EXP_O will be populated with the parsed expression. |
| 300 | */ |
| 301 | static bfd_boolean |
| 302 | lex_imm (long *v, expressionS *exp_o) |
| 303 | { |
| 304 | char *ilp = input_line_pointer; |
| 305 | |
| 306 | if (*input_line_pointer != '#') |
| 307 | goto fail; |
| 308 | |
| 309 | input_line_pointer++; |
| 310 | expressionS exp; |
| 311 | if (!lex_expression (&exp)) |
| 312 | goto fail; |
| 313 | |
| 314 | if (exp.X_op != O_constant) |
| 315 | { |
| 316 | if (!exp_o) |
| 317 | as_bad (_("A non-constant expression is not permitted here")); |
| 318 | else |
| 319 | *exp_o = exp; |
| 320 | } |
| 321 | |
| 322 | *v = exp.X_add_number; |
| 323 | return true; |
| 324 | |
| 325 | fail: |
| 326 | fail_line_pointer = input_line_pointer; |
| 327 | input_line_pointer = ilp; |
| 328 | return false; |
| 329 | } |
| 330 | |
| 331 | /* Short mmediate operand */ |
| 332 | static bfd_boolean |
| 333 | lex_imm_e4 (long *val) |
| 334 | { |
| 335 | char *ilp = input_line_pointer; |
| 336 | if ((lex_imm (val, NULL))) |
| 337 | { |
| 338 | if ((*val == -1) || (*val > 0 && *val <= 15)) |
| 339 | { |
| 340 | return true; |
| 341 | } |
| 342 | } |
| 343 | fail_line_pointer = input_line_pointer; |
| 344 | input_line_pointer = ilp; |
| 345 | return false; |
| 346 | } |
| 347 | |
| 348 | static bfd_boolean |
| 349 | lex_match_string (const char *s) |
| 350 | { |
| 351 | char *p = input_line_pointer; |
| 352 | while (p != 0 && *p != '\t' && *p != ' ' && *p != '\0') |
| 353 | { |
| 354 | p++; |
| 355 | } |
| 356 | |
| 357 | size_t len = p - input_line_pointer; |
| 358 | if (len != strlen (s)) |
| 359 | return false; |
| 360 | |
| 361 | if (0 == strncasecmp (s, input_line_pointer, len)) |
| 362 | { |
| 363 | input_line_pointer = p; |
| 364 | return true; |
| 365 | } |
| 366 | |
| 367 | return false; |
| 368 | } |
| 369 | |
| 370 | /* Parse a register name. |
| 371 | WHICH is a ORwise combination of the registers which are accepted. |
| 372 | ~0 accepts all. |
| 373 | On success, REG will be filled with the index of the register which |
| 374 | was successfully scanned. |
| 375 | */ |
| 376 | static bfd_boolean |
| 377 | lex_reg_name (uint16_t which, int *reg) |
| 378 | { |
| 379 | char *p = input_line_pointer; |
| 380 | |
| 381 | if (p == 0) |
| 382 | return false; |
| 383 | |
| 384 | /* Scan (and ignore) the register prefix. */ |
| 385 | if (register_prefix) |
| 386 | { |
| 387 | int len = strlen (register_prefix); |
| 388 | if (0 == strncmp (register_prefix, p, len)) |
| 389 | p += len; |
| 390 | else |
| 391 | return false; |
| 392 | } |
| 393 | |
| 394 | char *start_of_reg_name = p; |
| 395 | |
| 396 | while ((*p >= 'a' && *p <='z') |
| 397 | || (*p >= '0' && *p <= '9') |
| 398 | || (*p >= 'A' && *p <='Z')) |
| 399 | { |
| 400 | p++; |
| 401 | } |
| 402 | |
| 403 | size_t len = p - start_of_reg_name; |
| 404 | |
| 405 | if (len <= 0) |
| 406 | return false; |
| 407 | |
| 408 | int i; |
| 409 | for (i = 0; i < S12Z_N_REGISTERS; ++i) |
| 410 | { |
| 411 | gas_assert (registers[i].name); |
| 412 | |
| 413 | if (len == strlen (registers[i].name) |
| 414 | && 0 == strncasecmp (registers[i].name, start_of_reg_name, len)) |
| 415 | { |
| 416 | if ((0x1U << i) & which) |
| 417 | { |
| 418 | input_line_pointer = p; |
| 419 | *reg = i; |
| 420 | return true; |
| 421 | } |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | return false; |
| 426 | } |
| 427 | |
| 428 | static int |
| 429 | lex_force_match (char x) |
| 430 | { |
| 431 | char *p = input_line_pointer; |
| 432 | if (*p != x) |
| 433 | { |
| 434 | as_bad (_("Expecting '%c'"), x); |
| 435 | return false; |
| 436 | } |
| 437 | |
| 438 | input_line_pointer++; |
| 439 | return true; |
| 440 | } |
| 441 | |
| 442 | static bfd_boolean |
| 443 | lex_opr (uint8_t *buffer, int *n_bytes, expressionS *exp, |
| 444 | bool immediate_ok) |
| 445 | { |
| 446 | char *ilp = input_line_pointer; |
| 447 | uint8_t *xb = buffer; |
| 448 | int reg; |
| 449 | long imm; |
| 450 | exp->X_op = O_absent; |
| 451 | *n_bytes = 0; |
| 452 | *xb = 0; |
| 453 | if (lex_imm_e4 (&imm)) |
| 454 | { |
| 455 | if (!immediate_ok) |
| 456 | { |
| 457 | as_bad (_("An immediate value in a source operand is inappropriate")); |
| 458 | return false; |
| 459 | } |
| 460 | if (imm > 0) |
| 461 | *xb = imm; |
| 462 | else |
| 463 | *xb = 0; |
| 464 | *xb |= 0x70; |
| 465 | *n_bytes = 1; |
| 466 | return true; |
| 467 | } |
| 468 | else if (lex_reg_name (REG_BIT_Dn, ®)) |
| 469 | { |
| 470 | *xb = reg; |
| 471 | *xb |= 0xb8; |
| 472 | *n_bytes = 1; |
| 473 | return true; |
| 474 | } |
| 475 | else if (lex_match ('[')) |
| 476 | { |
| 477 | if (lex_expression (exp)) |
| 478 | { |
| 479 | long c = exp->X_add_number; |
| 480 | if (lex_match (',')) |
| 481 | { |
| 482 | if (lex_reg_name (REG_BIT_XYSP, ®)) |
| 483 | { |
| 484 | int i; |
| 485 | if (c <= 255 && c >= -256) |
| 486 | { |
| 487 | *n_bytes = 2; |
| 488 | *xb |= 0xc4; |
| 489 | } |
| 490 | else |
| 491 | { |
| 492 | *n_bytes = 4; |
| 493 | *xb |= 0xc6; |
| 494 | } |
| 495 | *xb |= (reg - REG_X) << 4; |
| 496 | |
| 497 | if (c < 0) |
| 498 | *xb |= 0x01; |
| 499 | for (i = 1; i < *n_bytes ; ++i) |
| 500 | { |
| 501 | buffer[i] = c >> (8 * (*n_bytes - i - 1)); |
| 502 | } |
| 503 | } |
| 504 | else |
| 505 | { |
| 506 | as_bad (_("Bad operand for constant offset")); |
| 507 | goto fail; |
| 508 | } |
| 509 | } |
| 510 | else |
| 511 | { |
| 512 | *xb = 0xfe; |
| 513 | *n_bytes = 4; |
| 514 | buffer[1] = c >> 16; |
| 515 | buffer[2] = c >> 8; |
| 516 | buffer[3] = c; |
| 517 | } |
| 518 | } |
| 519 | else if (lex_reg_name (REG_BIT_Dn, ®)) |
| 520 | { |
| 521 | if (!lex_force_match (',')) |
| 522 | goto fail; |
| 523 | |
| 524 | int reg2; |
| 525 | if (lex_reg_name (REG_BIT_XY, ®2)) |
| 526 | { |
| 527 | *n_bytes = 1; |
| 528 | *xb = reg; |
| 529 | *xb |= (reg2 - REG_X) << 4; |
| 530 | *xb |= 0xc8; |
| 531 | } |
| 532 | else |
| 533 | { |
| 534 | as_bad (_("Invalid operand for register offset")); |
| 535 | goto fail; |
| 536 | } |
| 537 | } |
| 538 | else |
| 539 | { |
| 540 | goto fail; |
| 541 | } |
| 542 | if (!lex_force_match (']')) |
| 543 | goto fail; |
| 544 | return true; |
| 545 | } |
| 546 | else if (lex_match ('(')) |
| 547 | { |
| 548 | long c; |
| 549 | if (lex_constant (&c)) |
| 550 | { |
| 551 | if (!lex_force_match (',')) |
| 552 | goto fail; |
| 553 | int reg2; |
| 554 | if (lex_reg_name (REG_BIT_XYSP, ®2)) |
| 555 | { |
| 556 | if (reg2 != REG_P && c >= 0 && c <= 15) |
| 557 | { |
| 558 | *n_bytes = 1; |
| 559 | *xb = 0x40; |
| 560 | *xb |= (reg2 - REG_X) << 4; |
| 561 | *xb |= c; |
| 562 | } |
| 563 | else if (c >= -256 && c <= 255) |
| 564 | { |
| 565 | *n_bytes = 2; |
| 566 | *xb = 0xc0; |
| 567 | *xb |= (reg2 - REG_X) << 4; |
| 568 | if (c < 0) |
| 569 | *xb |= 0x01; |
| 570 | buffer[1] = c; |
| 571 | } |
| 572 | else |
| 573 | { |
| 574 | *n_bytes = 4; |
| 575 | *xb = 0xc2; |
| 576 | *xb |= (reg2 - REG_X) << 4; |
| 577 | buffer[1] = c >> 16; |
| 578 | buffer[2] = c >> 8; |
| 579 | buffer[3] = c; |
| 580 | } |
| 581 | } |
| 582 | else if (lex_reg_name (REG_BIT_Dn, ®2)) |
| 583 | { |
| 584 | if (c >= -1 * (long) (0x1u << 17) |
| 585 | && |
| 586 | c < (long) (0x1u << 17) - 1) |
| 587 | { |
| 588 | *n_bytes = 3; |
| 589 | *xb = 0x80; |
| 590 | *xb |= reg2; |
| 591 | *xb |= ((c >> 16) & 0x03) << 4; |
| 592 | buffer[1] = c >> 8; |
| 593 | buffer[2] = c; |
| 594 | } |
| 595 | else |
| 596 | { |
| 597 | *n_bytes = 4; |
| 598 | *xb = 0xe8; |
| 599 | *xb |= reg2; |
| 600 | buffer[1] = c >> 16; |
| 601 | buffer[2] = c >> 8; |
| 602 | buffer[3] = c; |
| 603 | } |
| 604 | } |
| 605 | else |
| 606 | { |
| 607 | as_bad (_("Bad operand for constant offset")); |
| 608 | goto fail; |
| 609 | } |
| 610 | } |
| 611 | else if (lex_reg_name (REG_BIT_Dn, ®)) |
| 612 | { |
| 613 | if (lex_match (',')) |
| 614 | { |
| 615 | int reg2; |
| 616 | if (lex_reg_name (REG_BIT_XYS, ®2)) |
| 617 | { |
| 618 | *n_bytes = 1; |
| 619 | *xb = 0x88; |
| 620 | *xb |= (reg2 - REG_X) << 4; |
| 621 | *xb |= reg; |
| 622 | } |
| 623 | else |
| 624 | { |
| 625 | as_bad (_("Invalid operand for register offset")); |
| 626 | goto fail; |
| 627 | } |
| 628 | } |
| 629 | else |
| 630 | { |
| 631 | goto fail; |
| 632 | } |
| 633 | } |
| 634 | else if (lex_reg_name (REG_BIT_XYS, ®)) |
| 635 | { |
| 636 | if (lex_match ('-')) |
| 637 | { |
| 638 | if (reg == REG_S) |
| 639 | { |
| 640 | as_bad (_("Invalid register for postdecrement operation")); |
| 641 | goto fail; |
| 642 | } |
| 643 | *n_bytes = 1; |
| 644 | if (reg == REG_X) |
| 645 | *xb = 0xc7; |
| 646 | else if (reg == REG_Y) |
| 647 | *xb = 0xd7; |
| 648 | } |
| 649 | else if (lex_match ('+')) |
| 650 | { |
| 651 | *n_bytes = 1; |
| 652 | if (reg == REG_X) |
| 653 | *xb = 0xe7; |
| 654 | else if (reg == REG_Y) |
| 655 | *xb = 0xf7; |
| 656 | else if (reg == REG_S) |
| 657 | *xb = 0xff; |
| 658 | } |
| 659 | else |
| 660 | { |
| 661 | goto fail; |
| 662 | } |
| 663 | } |
| 664 | else if (lex_match ('+')) |
| 665 | { |
| 666 | if (lex_reg_name (REG_BIT_XY, ®)) |
| 667 | { |
| 668 | *n_bytes = 1; |
| 669 | if (reg == REG_X) |
| 670 | *xb = 0xe3; |
| 671 | else if (reg == REG_Y) |
| 672 | *xb = 0xf3; |
| 673 | } |
| 674 | else |
| 675 | { |
| 676 | as_bad (_("Invalid register for preincrement operation")); |
| 677 | goto fail; |
| 678 | } |
| 679 | } |
| 680 | else if (lex_match ('-')) |
| 681 | { |
| 682 | if (lex_reg_name (REG_BIT_XYS, ®)) |
| 683 | { |
| 684 | *n_bytes = 1; |
| 685 | if (reg == REG_X) |
| 686 | *xb = 0xc3; |
| 687 | else if (reg == REG_Y) |
| 688 | *xb = 0xd3; |
| 689 | else if (reg == REG_S) |
| 690 | *xb = 0xfb; |
| 691 | } |
| 692 | else |
| 693 | { |
| 694 | as_bad (_("Invalid register for predecrement operation")); |
| 695 | goto fail; |
| 696 | } |
| 697 | } |
| 698 | else |
| 699 | { |
| 700 | goto fail; |
| 701 | } |
| 702 | |
| 703 | if (! lex_match (')')) |
| 704 | goto fail; |
| 705 | return true; |
| 706 | } |
| 707 | else if (lex_expression (exp)) |
| 708 | { |
| 709 | *xb = 0xfa; |
| 710 | *n_bytes = 4; |
| 711 | buffer[1] = 0; |
| 712 | buffer[2] = 0; |
| 713 | buffer[3] = 0; |
| 714 | if (exp->X_op == O_constant) |
| 715 | { |
| 716 | valueT value = exp->X_add_number; |
| 717 | |
| 718 | if (value < (0x1U << 14)) |
| 719 | { |
| 720 | *xb = 0x00; |
| 721 | *n_bytes = 2; |
| 722 | *xb |= value >> 8; |
| 723 | buffer[1] = value; |
| 724 | } |
| 725 | else if (value < (0x1U << 19)) |
| 726 | { |
| 727 | *xb = 0xf8; |
| 728 | if (value & (0x1U << 17)) |
| 729 | *xb |= 0x04; |
| 730 | if (value & (0x1U << 16)) |
| 731 | *xb |= 0x01; |
| 732 | *n_bytes = 3; |
| 733 | buffer[1] = value >> 8; |
| 734 | buffer[2] = value; |
| 735 | } |
| 736 | else |
| 737 | { |
| 738 | *xb = 0xfa; |
| 739 | *n_bytes = 4; |
| 740 | buffer[1] = value >> 16; |
| 741 | buffer[2] = value >> 8; |
| 742 | buffer[3] = value; |
| 743 | } |
| 744 | } |
| 745 | return true; |
| 746 | } |
| 747 | |
| 748 | fail: |
| 749 | fail_line_pointer = input_line_pointer; |
| 750 | input_line_pointer = ilp; |
| 751 | return false; |
| 752 | } |
| 753 | |
| 754 | static bfd_boolean |
| 755 | lex_offset (long *val) |
| 756 | { |
| 757 | char *end = NULL; |
| 758 | char *p = input_line_pointer; |
| 759 | |
| 760 | if (*p++ != '*') |
| 761 | return false; |
| 762 | |
| 763 | if (*p != '+' && *p != '-') |
| 764 | return false; |
| 765 | |
| 766 | bool negative = (*p == '-'); |
| 767 | p++; |
| 768 | |
| 769 | errno = 0; |
| 770 | *val = s12z_strtol (p, &end); |
| 771 | if (errno == 0) |
| 772 | { |
| 773 | if (negative) |
| 774 | *val *= -1; |
| 775 | input_line_pointer = end; |
| 776 | return true; |
| 777 | } |
| 778 | |
| 779 | return false; |
| 780 | } |
| 781 | |
| 782 | \f |
| 783 | |
| 784 | struct instruction; |
| 785 | |
| 786 | typedef int (*parse_operand_func) (const struct instruction *); |
| 787 | |
| 788 | struct instruction |
| 789 | { |
| 790 | const char *name; |
| 791 | |
| 792 | /* The "page" to which the instruction belongs. |
| 793 | This is also only a hint. Some instructions might have modes in both |
| 794 | pages... */ |
| 795 | char page; |
| 796 | |
| 797 | /* This is a hint - and only a hint - about the opcode of the instruction. |
| 798 | The parse_operand_func is free to ignore it. |
| 799 | */ |
| 800 | uint8_t opc; |
| 801 | |
| 802 | parse_operand_func parse_operands; |
| 803 | |
| 804 | /* Some instructions can be encoded with a different opcode */ |
| 805 | uint8_t alt_opc; |
| 806 | }; |
| 807 | |
| 808 | static int |
| 809 | no_operands (const struct instruction *insn) |
| 810 | { |
| 811 | if (*input_line_pointer != '\0') |
| 812 | { |
| 813 | as_bad (_("Garbage at end of instruction")); |
| 814 | return false; |
| 815 | } |
| 816 | |
| 817 | char *f = s12z_new_insn (insn->page); |
| 818 | if (insn->page == 2) |
| 819 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 820 | |
| 821 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 822 | |
| 823 | return true; |
| 824 | } |
| 825 | |
| 826 | |
| 827 | static void |
| 828 | emit_reloc (expressionS *exp, char *f, int size, enum bfd_reloc_code_real reloc) |
| 829 | { |
| 830 | if (exp->X_op != O_absent && exp->X_op != O_constant) |
| 831 | { |
| 832 | fixS *fix = fix_new_exp (frag_now, |
| 833 | f - frag_now->fr_literal, |
| 834 | size, |
| 835 | exp, |
| 836 | FALSE, |
| 837 | reloc); |
| 838 | /* Some third party tools seem to use the lower bits |
| 839 | of this addend for flags. They don't get added |
| 840 | to the final location. The purpose of these flags |
| 841 | is not known. We simply set it to zero. */ |
| 842 | fix->fx_addnumber = 0x00; |
| 843 | } |
| 844 | } |
| 845 | |
| 846 | /* Emit the code for an OPR address mode operand */ |
| 847 | static char * |
| 848 | emit_opr (char *f, const uint8_t *buffer, int n_bytes, expressionS *exp) |
| 849 | { |
| 850 | int i; |
| 851 | number_to_chars_bigendian (f++, buffer[0], 1); |
| 852 | |
| 853 | emit_reloc (exp, f, 3, BFD_RELOC_S12Z_OPR); |
| 854 | |
| 855 | for (i = 1; i < n_bytes; ++i) |
| 856 | number_to_chars_bigendian (f++, buffer[i], 1); |
| 857 | |
| 858 | return f; |
| 859 | } |
| 860 | |
| 861 | /* Emit the code for a 24 bit direct address operand */ |
| 862 | static char * |
| 863 | emit_ext24 (char *f, long v) |
| 864 | { |
| 865 | number_to_chars_bigendian (f, v, 3); |
| 866 | |
| 867 | return f + 3; |
| 868 | } |
| 869 | |
| 870 | static bfd_boolean |
| 871 | opr (const struct instruction *insn) |
| 872 | { |
| 873 | uint8_t buffer[4]; |
| 874 | int n_bytes; |
| 875 | expressionS exp; |
| 876 | if (lex_opr (buffer, &n_bytes, &exp, false)) |
| 877 | { |
| 878 | /* Large constant direct values are more efficiently encoded as ext24 mode. |
| 879 | Otherwise a decision has to be deferred to a relax. */ |
| 880 | if (exp.X_op == O_constant |
| 881 | && buffer[0] == 0xFA |
| 882 | && insn->alt_opc != 0) |
| 883 | { |
| 884 | char *f = s12z_new_insn (4); |
| 885 | |
| 886 | /* I don't think there are any instances of page 2 opcodes in this case */ |
| 887 | gas_assert (insn->page == 1); |
| 888 | |
| 889 | number_to_chars_bigendian (f++, insn->alt_opc, 1); |
| 890 | |
| 891 | emit_ext24 (f, exp.X_add_number); |
| 892 | } |
| 893 | else |
| 894 | { |
| 895 | char *f = s12z_new_insn (n_bytes + 1); |
| 896 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 897 | |
| 898 | emit_opr (f, buffer, n_bytes, &exp); |
| 899 | } |
| 900 | return true; |
| 901 | } |
| 902 | |
| 903 | return false; |
| 904 | } |
| 905 | |
| 906 | /* Parse a 15 bit offset, as an expression. |
| 907 | LONG_DISPLACEMENT will be set to true if the offset is wider than 7 bits. |
| 908 | */ |
| 909 | static bfd_boolean |
| 910 | lex_15_bit_offset (bool *long_displacement, expressionS *exp) |
| 911 | { |
| 912 | char *ilp = input_line_pointer; |
| 913 | |
| 914 | long val; |
| 915 | if (lex_offset (&val)) |
| 916 | { |
| 917 | exp->X_op = O_absent; |
| 918 | exp->X_add_number = val; |
| 919 | } |
| 920 | else if (lex_expression (exp)) |
| 921 | { |
| 922 | if (exp->X_op == O_constant) |
| 923 | { |
| 924 | val = exp->X_add_number; |
| 925 | } |
| 926 | else |
| 927 | { |
| 928 | /* If a symbol was parsed we don't know the displacement. |
| 929 | We have to assume it is long, and relax it later if possible. */ |
| 930 | *long_displacement = true; |
| 931 | return true; |
| 932 | } |
| 933 | } |
| 934 | else |
| 935 | { |
| 936 | exp->X_op = O_absent; |
| 937 | goto fail; |
| 938 | } |
| 939 | |
| 940 | if (val > 0x3FFF || val < -0x4000) |
| 941 | { |
| 942 | as_fatal (_("Offset is outside of 15 bit range")); |
| 943 | return false; |
| 944 | } |
| 945 | |
| 946 | *long_displacement = (val > 63 || val < -64); |
| 947 | |
| 948 | return true; |
| 949 | |
| 950 | fail: |
| 951 | fail_line_pointer = input_line_pointer; |
| 952 | input_line_pointer = ilp; |
| 953 | return false; |
| 954 | } |
| 955 | |
| 956 | static void |
| 957 | emit_15_bit_offset (char *f, int where, expressionS *exp) |
| 958 | { |
| 959 | gas_assert (exp); |
| 960 | if (exp->X_op != O_absent && exp->X_op != O_constant) |
| 961 | { |
| 962 | exp->X_add_number += where; |
| 963 | fixS *fix = fix_new_exp (frag_now, |
| 964 | f - frag_now->fr_literal, |
| 965 | 2, |
| 966 | exp, |
| 967 | TRUE, |
| 968 | BFD_RELOC_16_PCREL); |
| 969 | fix->fx_addnumber = where - 2; |
| 970 | } |
| 971 | else |
| 972 | { |
| 973 | long val = exp->X_add_number; |
| 974 | bool long_displacement = (val > 63 || val < -64); |
| 975 | if (long_displacement) |
| 976 | val |= 0x8000; |
| 977 | else |
| 978 | val &= 0x7F; |
| 979 | |
| 980 | number_to_chars_bigendian (f++, val, long_displacement ? 2 : 1); |
| 981 | } |
| 982 | } |
| 983 | |
| 984 | static bfd_boolean |
| 985 | rel (const struct instruction *insn) |
| 986 | { |
| 987 | bool long_displacement; |
| 988 | |
| 989 | expressionS exp; |
| 990 | if (! lex_15_bit_offset (&long_displacement, &exp)) |
| 991 | return false; |
| 992 | |
| 993 | char *f = s12z_new_insn (long_displacement ? 3 : 2); |
| 994 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 995 | emit_15_bit_offset (f, 3, &exp); |
| 996 | return true; |
| 997 | } |
| 998 | |
| 999 | static bfd_boolean |
| 1000 | reg_inh (const struct instruction *insn) |
| 1001 | { |
| 1002 | int reg; |
| 1003 | if (lex_reg_name (REG_BIT_Dn, ®)) |
| 1004 | { |
| 1005 | char *f = s12z_new_insn (insn->page); |
| 1006 | if (insn->page == 2) |
| 1007 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1008 | |
| 1009 | number_to_chars_bigendian (f++, insn->opc + reg, 1); |
| 1010 | return true; |
| 1011 | } |
| 1012 | |
| 1013 | return false; |
| 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | /* Special case for CLR X and CLR Y */ |
| 1018 | static bfd_boolean |
| 1019 | clr_xy (const struct instruction *insn ATTRIBUTE_UNUSED) |
| 1020 | { |
| 1021 | int reg; |
| 1022 | if (lex_reg_name (REG_BIT_XY, ®)) |
| 1023 | { |
| 1024 | char *f = s12z_new_insn (1); |
| 1025 | number_to_chars_bigendian (f, 0x9a + reg - REG_X, 1); |
| 1026 | return true; |
| 1027 | } |
| 1028 | |
| 1029 | return false; |
| 1030 | } |
| 1031 | |
| 1032 | /* Some instructions have a suffix like ".l", ".b", ".w" etc |
| 1033 | which indicates the size of the operands. */ |
| 1034 | static bfd_boolean |
| 1035 | size_from_suffix (const struct instruction *insn, int idx) |
| 1036 | { |
| 1037 | const char *dot = strchr (insn->name, '.'); |
| 1038 | |
| 1039 | if (dot == NULL) |
| 1040 | return -3; |
| 1041 | |
| 1042 | int size = -2; |
| 1043 | switch (dot[1 + idx]) |
| 1044 | { |
| 1045 | case 'b': |
| 1046 | size = 1; |
| 1047 | break; |
| 1048 | case 'w': |
| 1049 | size = 2; |
| 1050 | break; |
| 1051 | case 'p': |
| 1052 | size = 3; |
| 1053 | break; |
| 1054 | case 'l': |
| 1055 | size = 4; |
| 1056 | break; |
| 1057 | default: |
| 1058 | as_fatal (_("Bad size")); |
| 1059 | }; |
| 1060 | |
| 1061 | return size; |
| 1062 | } |
| 1063 | |
| 1064 | static bfd_boolean |
| 1065 | mul_reg_reg_reg (const struct instruction *insn) |
| 1066 | { |
| 1067 | char *ilp = input_line_pointer; |
| 1068 | |
| 1069 | int Dd; |
| 1070 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 1071 | goto fail; |
| 1072 | |
| 1073 | if (!lex_match (',')) |
| 1074 | goto fail; |
| 1075 | |
| 1076 | int Dj; |
| 1077 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) |
| 1078 | goto fail; |
| 1079 | |
| 1080 | if (!lex_match (',')) |
| 1081 | goto fail; |
| 1082 | |
| 1083 | int Dk; |
| 1084 | if (!lex_reg_name (REG_BIT_Dn, &Dk)) |
| 1085 | goto fail; |
| 1086 | |
| 1087 | char *f = s12z_new_insn (insn->page + 1); |
| 1088 | if (insn->page == 2) |
| 1089 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1090 | |
| 1091 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); |
| 1092 | const char *dot = strchrnul (insn->name, '.'); |
| 1093 | uint8_t mb ; |
| 1094 | switch (dot[-1]) |
| 1095 | { |
| 1096 | case 's': |
| 1097 | mb = 0x80; |
| 1098 | break; |
| 1099 | case 'u': |
| 1100 | mb = 0x00; |
| 1101 | break; |
| 1102 | default: |
| 1103 | as_fatal (_("BAD MUL")); |
| 1104 | break; |
| 1105 | } |
| 1106 | |
| 1107 | mb |= Dj << 3; |
| 1108 | mb |= Dk; |
| 1109 | |
| 1110 | number_to_chars_bigendian (f++, mb, 1); |
| 1111 | |
| 1112 | return true; |
| 1113 | |
| 1114 | fail: |
| 1115 | fail_line_pointer = input_line_pointer; |
| 1116 | input_line_pointer = ilp; |
| 1117 | return false; |
| 1118 | } |
| 1119 | |
| 1120 | |
| 1121 | static bfd_boolean |
| 1122 | mul_reg_reg_imm (const struct instruction *insn) |
| 1123 | { |
| 1124 | char *ilp = input_line_pointer; |
| 1125 | |
| 1126 | int Dd; |
| 1127 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 1128 | goto fail; |
| 1129 | |
| 1130 | if (!lex_match (',')) |
| 1131 | goto fail; |
| 1132 | |
| 1133 | int Dj; |
| 1134 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) |
| 1135 | goto fail; |
| 1136 | |
| 1137 | if (!lex_match (',')) |
| 1138 | goto fail; |
| 1139 | |
| 1140 | long imm; |
| 1141 | if (!lex_imm (&imm, NULL)) |
| 1142 | goto fail; |
| 1143 | |
| 1144 | |
| 1145 | int size = size_from_suffix (insn, 0); |
| 1146 | |
| 1147 | char *f = s12z_new_insn (insn->page + 1 + size); |
| 1148 | if (insn->page == 2) |
| 1149 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1150 | |
| 1151 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); |
| 1152 | uint8_t mb = 0x44; |
| 1153 | const char *dot = strchrnul (insn->name, '.'); |
| 1154 | switch (dot[-1]) |
| 1155 | { |
| 1156 | case 's': |
| 1157 | mb |= 0x80; |
| 1158 | break; |
| 1159 | case 'u': |
| 1160 | mb |= 0x00; |
| 1161 | break; |
| 1162 | default: |
| 1163 | as_fatal (_("BAD MUL")); |
| 1164 | break; |
| 1165 | } |
| 1166 | |
| 1167 | mb |= Dj << 3; |
| 1168 | mb |= size - 1; |
| 1169 | |
| 1170 | number_to_chars_bigendian (f++, mb, 1); |
| 1171 | number_to_chars_bigendian (f++, imm, size); |
| 1172 | |
| 1173 | return true; |
| 1174 | |
| 1175 | fail: |
| 1176 | fail_line_pointer = input_line_pointer; |
| 1177 | input_line_pointer = ilp; |
| 1178 | return false; |
| 1179 | } |
| 1180 | |
| 1181 | |
| 1182 | static bfd_boolean |
| 1183 | mul_reg_reg_opr (const struct instruction *insn) |
| 1184 | { |
| 1185 | char *ilp = input_line_pointer; |
| 1186 | |
| 1187 | int Dd; |
| 1188 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 1189 | goto fail; |
| 1190 | |
| 1191 | if (!lex_match (',')) |
| 1192 | goto fail; |
| 1193 | |
| 1194 | int Dj; |
| 1195 | if (!lex_reg_name (REG_BIT_Dn, &Dj)) |
| 1196 | goto fail; |
| 1197 | |
| 1198 | if (!lex_match (',')) |
| 1199 | goto fail; |
| 1200 | |
| 1201 | uint8_t buffer[4]; |
| 1202 | int n_bytes; |
| 1203 | expressionS exp; |
| 1204 | if (!lex_opr (buffer, &n_bytes, &exp, true)) |
| 1205 | goto fail; |
| 1206 | |
| 1207 | int size = size_from_suffix (insn, 0); |
| 1208 | |
| 1209 | char *f = s12z_new_insn (insn->page + 1 + n_bytes); |
| 1210 | if (insn->page == 2) |
| 1211 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1212 | |
| 1213 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); |
| 1214 | uint8_t mb = 0x40; |
| 1215 | const char *dot = strchrnul (insn->name, '.'); |
| 1216 | switch (dot[-1]) |
| 1217 | { |
| 1218 | case 's': |
| 1219 | mb |= 0x80; |
| 1220 | break; |
| 1221 | case 'u': |
| 1222 | mb |= 0x00; |
| 1223 | break; |
| 1224 | default: |
| 1225 | as_fatal (_("BAD MUL")); |
| 1226 | break; |
| 1227 | } |
| 1228 | |
| 1229 | mb |= Dj << 3; |
| 1230 | mb |= size - 1; |
| 1231 | |
| 1232 | number_to_chars_bigendian (f++, mb, 1); |
| 1233 | |
| 1234 | emit_opr (f, buffer, n_bytes, &exp); |
| 1235 | |
| 1236 | return true; |
| 1237 | |
| 1238 | fail: |
| 1239 | fail_line_pointer = input_line_pointer; |
| 1240 | input_line_pointer = ilp; |
| 1241 | return false; |
| 1242 | } |
| 1243 | |
| 1244 | static bfd_boolean |
| 1245 | mul_reg_opr_opr (const struct instruction *insn) |
| 1246 | { |
| 1247 | char *ilp = input_line_pointer; |
| 1248 | |
| 1249 | int Dd; |
| 1250 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 1251 | goto fail; |
| 1252 | |
| 1253 | if (!lex_match (',')) |
| 1254 | goto fail; |
| 1255 | |
| 1256 | uint8_t buffer1[4]; |
| 1257 | int n_bytes1; |
| 1258 | expressionS exp1; |
| 1259 | if (!lex_opr (buffer1, &n_bytes1, &exp1, false)) |
| 1260 | goto fail; |
| 1261 | |
| 1262 | if (!lex_match (',')) |
| 1263 | goto fail; |
| 1264 | |
| 1265 | uint8_t buffer2[4]; |
| 1266 | int n_bytes2; |
| 1267 | expressionS exp2; |
| 1268 | if (!lex_opr (buffer2, &n_bytes2, &exp2, false)) |
| 1269 | goto fail; |
| 1270 | |
| 1271 | int size1 = size_from_suffix (insn, 0); |
| 1272 | int size2 = size_from_suffix (insn, 1); |
| 1273 | |
| 1274 | char *f = s12z_new_insn (insn->page + 1 + n_bytes1 + n_bytes2); |
| 1275 | if (insn->page == 2) |
| 1276 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1277 | |
| 1278 | number_to_chars_bigendian (f++, insn->opc + Dd, 1); |
| 1279 | uint8_t mb = 0x42; |
| 1280 | const char *dot = strchrnul (insn->name, '.'); |
| 1281 | switch (dot[-1]) |
| 1282 | { |
| 1283 | case 's': |
| 1284 | mb |= 0x80; |
| 1285 | break; |
| 1286 | case 'u': |
| 1287 | mb |= 0x00; |
| 1288 | break; |
| 1289 | default: |
| 1290 | as_fatal (_("BAD MUL")); |
| 1291 | break; |
| 1292 | } |
| 1293 | |
| 1294 | mb |= (size1 - 1) << 4; |
| 1295 | mb |= (size2 - 1) << 2; |
| 1296 | number_to_chars_bigendian (f++, mb, 1); |
| 1297 | |
| 1298 | f = emit_opr (f, buffer1, n_bytes1, &exp1); |
| 1299 | f = emit_opr (f, buffer2, n_bytes2, &exp2); |
| 1300 | |
| 1301 | return true; |
| 1302 | |
| 1303 | fail: |
| 1304 | fail_line_pointer = input_line_pointer; |
| 1305 | input_line_pointer = ilp; |
| 1306 | return false; |
| 1307 | } |
| 1308 | |
| 1309 | |
| 1310 | #define REG_BIT_GRP0 \ |
| 1311 | ((0x1U << REG_D2) | \ |
| 1312 | (0x1U << REG_D3) | \ |
| 1313 | (0x1U << REG_CCH) | \ |
| 1314 | (0x1U << REG_CCL) | \ |
| 1315 | (0x1U << REG_D0) | \ |
| 1316 | (0x1U << REG_D1)) |
| 1317 | |
| 1318 | #define REG_BIT_GRP1 \ |
| 1319 | ((0x1U << REG_D4) | \ |
| 1320 | (0x1U << REG_D5) | \ |
| 1321 | (0x1U << REG_D6) | \ |
| 1322 | (0x1U << REG_D7) | \ |
| 1323 | (0x1U << REG_X) | \ |
| 1324 | (0x1U << REG_Y)) |
| 1325 | |
| 1326 | static const uint8_t reg_map [] = |
| 1327 | { |
| 1328 | 0x02, // D2 |
| 1329 | 0x01, // D3 |
| 1330 | 0x20, |
| 1331 | 0x10, // D5 |
| 1332 | 0x08, // D0 |
| 1333 | 0x04, // D1 |
| 1334 | 0x08, // D6 |
| 1335 | 0x04, // D7 |
| 1336 | 0x02, |
| 1337 | 0x01, // Y |
| 1338 | 0x00, |
| 1339 | 0x00, |
| 1340 | 0x20, // CCH |
| 1341 | 0x10, // CCL |
| 1342 | 0x00 |
| 1343 | }; |
| 1344 | |
| 1345 | static int |
| 1346 | lex_reg_list (uint16_t grp, uint16_t *reg_bits) |
| 1347 | { |
| 1348 | if (lex_match (',')) |
| 1349 | { |
| 1350 | int reg; |
| 1351 | if (!lex_reg_name (grp, ®)) |
| 1352 | return false; |
| 1353 | *reg_bits |= 0x1u << reg; |
| 1354 | lex_reg_list (grp, reg_bits); |
| 1355 | } |
| 1356 | |
| 1357 | /* Empty list */ |
| 1358 | return true; |
| 1359 | } |
| 1360 | |
| 1361 | static bfd_boolean |
| 1362 | psh_pull (const struct instruction *insn) |
| 1363 | { |
| 1364 | uint8_t pb = |
| 1365 | (0 == strcmp ("pul", insn->name)) ? 0x80: 0x00; |
| 1366 | |
| 1367 | if (lex_match_string ("all16b")) |
| 1368 | { |
| 1369 | pb |= 0x40; |
| 1370 | } |
| 1371 | else if (lex_match_string ("all")) |
| 1372 | { |
| 1373 | /* Nothing to do */ |
| 1374 | } |
| 1375 | else |
| 1376 | { |
| 1377 | int reg1; |
| 1378 | if (!lex_reg_name (REG_BIT_GRP1 | REG_BIT_GRP0, ®1)) |
| 1379 | goto fail; |
| 1380 | uint16_t admitted_group = 0; |
| 1381 | |
| 1382 | if ((0x1U << reg1) & REG_BIT_GRP1) |
| 1383 | admitted_group = REG_BIT_GRP1; |
| 1384 | else if ((0x1U << reg1) & REG_BIT_GRP0) |
| 1385 | admitted_group = REG_BIT_GRP0; |
| 1386 | |
| 1387 | uint16_t reg_bits = 0x1 << reg1; |
| 1388 | if (!lex_reg_list (admitted_group, ®_bits)) |
| 1389 | goto fail; |
| 1390 | |
| 1391 | if (reg_bits & REG_BIT_GRP1) |
| 1392 | pb |= 0x40; |
| 1393 | |
| 1394 | int i; |
| 1395 | for (i = 0; i < 16; ++i) |
| 1396 | { |
| 1397 | if (reg_bits & (0x1u << i)) |
| 1398 | pb |= reg_map[i]; |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | char *f = s12z_new_insn (2); |
| 1403 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1404 | number_to_chars_bigendian (f++, pb, 1); |
| 1405 | return true; |
| 1406 | |
| 1407 | fail: |
| 1408 | fail_line_pointer = input_line_pointer; |
| 1409 | return false; |
| 1410 | } |
| 1411 | |
| 1412 | |
| 1413 | static bfd_boolean |
| 1414 | tfr (const struct instruction *insn) |
| 1415 | { |
| 1416 | int reg1; |
| 1417 | if (!lex_reg_name (~0, ®1)) |
| 1418 | goto fail; |
| 1419 | |
| 1420 | if (!lex_match (',')) |
| 1421 | goto fail; |
| 1422 | |
| 1423 | int reg2; |
| 1424 | if (!lex_reg_name (~0, ®2)) |
| 1425 | goto fail; |
| 1426 | |
| 1427 | if ( ((0 == strcasecmp ("sex", insn->name)) |
| 1428 | || (0 == strcasecmp ("zex", insn->name))) |
| 1429 | && (registers[reg2].bytes <= registers[reg1].bytes)) |
| 1430 | as_warn (_("Source register for %s is no larger than the destination register"), |
| 1431 | insn->name); |
| 1432 | else if (reg1 == reg2) |
| 1433 | as_warn (_("The destination and source registers are identical")); |
| 1434 | |
| 1435 | char *f = s12z_new_insn (1 + insn->page); |
| 1436 | if (insn->page == 2) |
| 1437 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1438 | |
| 1439 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1440 | number_to_chars_bigendian (f++, reg1 << 4 | reg2, 1); |
| 1441 | |
| 1442 | return true; |
| 1443 | |
| 1444 | fail: |
| 1445 | fail_line_pointer = input_line_pointer; |
| 1446 | return false; |
| 1447 | } |
| 1448 | |
| 1449 | static bfd_boolean |
| 1450 | imm8 (const struct instruction *insn) |
| 1451 | { |
| 1452 | long imm; |
| 1453 | if (! lex_imm (&imm, NULL)) |
| 1454 | return false; |
| 1455 | if (imm > 127 || imm < -128) |
| 1456 | { |
| 1457 | as_bad (_("Immediate value %ld is out of range for instruction %s"), |
| 1458 | imm, insn->name); |
| 1459 | } |
| 1460 | |
| 1461 | char *f = s12z_new_insn (2); |
| 1462 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1463 | number_to_chars_bigendian (f++, imm, 1); |
| 1464 | |
| 1465 | return true; |
| 1466 | } |
| 1467 | |
| 1468 | static bfd_boolean |
| 1469 | reg_imm (const struct instruction *insn, int allowed_reg) |
| 1470 | { |
| 1471 | char *ilp = input_line_pointer; |
| 1472 | int reg; |
| 1473 | if (lex_reg_name (allowed_reg, ®)) |
| 1474 | { |
| 1475 | if (!lex_force_match (',')) |
| 1476 | goto fail; |
| 1477 | long imm; |
| 1478 | if (! lex_imm (&imm, NULL)) |
| 1479 | goto fail; |
| 1480 | |
| 1481 | short size = registers[reg].bytes; |
| 1482 | char *f = s12z_new_insn (insn->page + size); |
| 1483 | if (insn->page == 2) |
| 1484 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1485 | |
| 1486 | number_to_chars_bigendian (f++, insn->opc + reg, 1); |
| 1487 | number_to_chars_bigendian (f++, imm, size); |
| 1488 | return true; |
| 1489 | } |
| 1490 | |
| 1491 | fail: |
| 1492 | fail_line_pointer = input_line_pointer; |
| 1493 | input_line_pointer = ilp; |
| 1494 | return false; |
| 1495 | } |
| 1496 | |
| 1497 | |
| 1498 | static bfd_boolean |
| 1499 | regd_imm (const struct instruction *insn) |
| 1500 | { |
| 1501 | return reg_imm (insn, REG_BIT_Dn); |
| 1502 | } |
| 1503 | |
| 1504 | static bfd_boolean |
| 1505 | regdxy_imm (const struct instruction *insn) |
| 1506 | { |
| 1507 | return reg_imm (insn, REG_BIT_Dn | REG_BIT_XY); |
| 1508 | } |
| 1509 | |
| 1510 | |
| 1511 | static bfd_boolean |
| 1512 | regs_imm (const struct instruction *insn) |
| 1513 | { |
| 1514 | return reg_imm (insn, 0x1U << REG_S); |
| 1515 | } |
| 1516 | |
| 1517 | static bfd_boolean |
| 1518 | trap_imm (const struct instruction *insn ATTRIBUTE_UNUSED) |
| 1519 | { |
| 1520 | long imm = -1; |
| 1521 | if (! lex_imm (&imm, NULL)) |
| 1522 | goto fail; |
| 1523 | |
| 1524 | if (imm < 0x92 || imm > 0xFF || |
| 1525 | (imm >= 0xA0 && imm <= 0xA7) || |
| 1526 | (imm >= 0xB0 && imm <= 0xB7)) |
| 1527 | { |
| 1528 | as_bad (_("trap value %ld is not valid"), imm); |
| 1529 | return false; |
| 1530 | } |
| 1531 | else |
| 1532 | { |
| 1533 | char *f = s12z_new_insn (2); |
| 1534 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1535 | number_to_chars_bigendian (f++, imm & 0xFF, 1); |
| 1536 | return true; |
| 1537 | } |
| 1538 | |
| 1539 | return true; |
| 1540 | |
| 1541 | fail: |
| 1542 | fail_line_pointer = input_line_pointer; |
| 1543 | return false; |
| 1544 | } |
| 1545 | |
| 1546 | |
| 1547 | |
| 1548 | /* Special one byte instruction CMP X, Y */ |
| 1549 | static bfd_boolean |
| 1550 | regx_regy (const struct instruction *insn) |
| 1551 | { |
| 1552 | int reg; |
| 1553 | if (lex_reg_name (0x1U << REG_X, ®)) |
| 1554 | { |
| 1555 | if (lex_force_match (',')) |
| 1556 | { |
| 1557 | if (lex_reg_name (0x1U << REG_Y, ®)) |
| 1558 | { |
| 1559 | char *f = s12z_new_insn (1); |
| 1560 | number_to_chars_bigendian (f, insn->opc, 1); |
| 1561 | return true; |
| 1562 | } |
| 1563 | } |
| 1564 | } |
| 1565 | return false; |
| 1566 | } |
| 1567 | |
| 1568 | /* Special one byte instruction SUB D6, X, Y */ |
| 1569 | static bfd_boolean |
| 1570 | regd6_regx_regy (const struct instruction *insn) |
| 1571 | { |
| 1572 | char *ilp = input_line_pointer; |
| 1573 | int reg; |
| 1574 | if (!lex_reg_name (0x1U << REG_D6, ®)) |
| 1575 | goto fail; |
| 1576 | |
| 1577 | if (!lex_match (',')) |
| 1578 | goto fail; |
| 1579 | |
| 1580 | if (!lex_reg_name (0x1U << REG_X, ®)) |
| 1581 | goto fail; |
| 1582 | |
| 1583 | if (!lex_match (',')) |
| 1584 | goto fail; |
| 1585 | |
| 1586 | if (!lex_reg_name (0x1U << REG_Y, ®)) |
| 1587 | goto fail; |
| 1588 | |
| 1589 | char *f = s12z_new_insn (1); |
| 1590 | number_to_chars_bigendian (f, insn->opc, 1); |
| 1591 | return true; |
| 1592 | |
| 1593 | fail: |
| 1594 | fail_line_pointer = input_line_pointer; |
| 1595 | input_line_pointer = ilp; |
| 1596 | return false; |
| 1597 | } |
| 1598 | |
| 1599 | /* Special one byte instruction SUB D6, Y, X */ |
| 1600 | static bfd_boolean |
| 1601 | regd6_regy_regx (const struct instruction *insn) |
| 1602 | { |
| 1603 | char *ilp = input_line_pointer; |
| 1604 | int reg; |
| 1605 | if (!lex_reg_name (0x1U << REG_D6, ®)) |
| 1606 | goto fail; |
| 1607 | |
| 1608 | if (!lex_match (',')) |
| 1609 | goto fail; |
| 1610 | |
| 1611 | if (!lex_reg_name (0x1U << REG_Y, ®)) |
| 1612 | goto fail; |
| 1613 | |
| 1614 | if (!lex_match (',')) |
| 1615 | goto fail; |
| 1616 | |
| 1617 | if (!lex_reg_name (0x1U << REG_X, ®)) |
| 1618 | goto fail; |
| 1619 | |
| 1620 | char *f = s12z_new_insn (1); |
| 1621 | number_to_chars_bigendian (f, insn->opc, 1); |
| 1622 | return true; |
| 1623 | |
| 1624 | fail: |
| 1625 | fail_line_pointer = input_line_pointer; |
| 1626 | input_line_pointer = ilp; |
| 1627 | return false; |
| 1628 | } |
| 1629 | |
| 1630 | static bfd_boolean |
| 1631 | reg_opr (const struct instruction *insn, int allowed_regs, |
| 1632 | bool immediate_ok) |
| 1633 | { |
| 1634 | char *ilp = input_line_pointer; |
| 1635 | int reg; |
| 1636 | if (lex_reg_name (allowed_regs, ®)) |
| 1637 | { |
| 1638 | if (!lex_force_match (',')) |
| 1639 | goto fail; |
| 1640 | |
| 1641 | uint8_t buffer[4]; |
| 1642 | int n_bytes; |
| 1643 | expressionS exp; |
| 1644 | if (lex_opr (buffer, &n_bytes, &exp, immediate_ok)) |
| 1645 | { |
| 1646 | /* Large constant direct values are more efficiently encoded as ext24 mode. |
| 1647 | Otherwise a decision has to be deferred to a relax. */ |
| 1648 | if (exp.X_op == O_constant |
| 1649 | && buffer[0] == 0xFA |
| 1650 | && insn->alt_opc != 0) |
| 1651 | { |
| 1652 | char *f = s12z_new_insn (4); |
| 1653 | |
| 1654 | /* I don't think there are any instances of page 2 opcodes in this case */ |
| 1655 | gas_assert (insn->page == 1); |
| 1656 | |
| 1657 | number_to_chars_bigendian (f++, insn->alt_opc + reg, 1); |
| 1658 | |
| 1659 | emit_ext24 (f, exp.X_add_number); |
| 1660 | } |
| 1661 | else |
| 1662 | { |
| 1663 | char *f = s12z_new_insn (n_bytes + insn->page); |
| 1664 | |
| 1665 | if (insn->page == 2) |
| 1666 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 1667 | |
| 1668 | number_to_chars_bigendian (f++, insn->opc + reg, 1); |
| 1669 | |
| 1670 | emit_opr (f, buffer, n_bytes, &exp); |
| 1671 | } |
| 1672 | |
| 1673 | return true; |
| 1674 | } |
| 1675 | } |
| 1676 | |
| 1677 | fail: |
| 1678 | fail_line_pointer = input_line_pointer; |
| 1679 | input_line_pointer = ilp; |
| 1680 | return false; |
| 1681 | } |
| 1682 | |
| 1683 | |
| 1684 | static bfd_boolean |
| 1685 | regdxy_opr_dest (const struct instruction *insn) |
| 1686 | { |
| 1687 | return reg_opr (insn, REG_BIT_Dn | REG_BIT_XY, false); |
| 1688 | } |
| 1689 | |
| 1690 | static bfd_boolean |
| 1691 | regdxy_opr_src (const struct instruction *insn) |
| 1692 | { |
| 1693 | return reg_opr (insn, REG_BIT_Dn | REG_BIT_XY, true); |
| 1694 | } |
| 1695 | |
| 1696 | |
| 1697 | static bfd_boolean |
| 1698 | regd_opr (const struct instruction *insn) |
| 1699 | { |
| 1700 | return reg_opr (insn, REG_BIT_Dn, true); |
| 1701 | } |
| 1702 | |
| 1703 | |
| 1704 | /* OP0: S; OP1: destination OPR */ |
| 1705 | static bfd_boolean |
| 1706 | regs_opr_dest (const struct instruction *insn) |
| 1707 | { |
| 1708 | return reg_opr (insn, 0x1U << REG_S, false); |
| 1709 | } |
| 1710 | |
| 1711 | /* OP0: S; OP1: source OPR */ |
| 1712 | static bfd_boolean |
| 1713 | regs_opr_src (const struct instruction *insn) |
| 1714 | { |
| 1715 | return reg_opr (insn, 0x1U << REG_S, true); |
| 1716 | } |
| 1717 | |
| 1718 | static bfd_boolean |
| 1719 | imm_opr (const struct instruction *insn) |
| 1720 | { |
| 1721 | char *ilp = input_line_pointer; |
| 1722 | long imm; |
| 1723 | expressionS exp0; |
| 1724 | int size = size_from_suffix (insn, 0); |
| 1725 | exp0.X_op = O_absent; |
| 1726 | |
| 1727 | /* Note: The ternary expression below means that "MOV.x #symbol, |
| 1728 | mem-expr" is accepted when x is a member of {'w', 'p', 'l'} but |
| 1729 | not when it is 'b'. |
| 1730 | The Freescale assembler accepts "MOV.b #symbol, mem-expr" but |
| 1731 | produces obviously incorrect code. Since such an instruction |
| 1732 | would require an 8-bit reloc (which we don't have) and some |
| 1733 | non-optimal kludges in the OPR encoding, it seems sensible that |
| 1734 | such instructions should be rejected. */ |
| 1735 | if (!lex_imm (&imm, size > 1 ? &exp0 : NULL)) |
| 1736 | goto fail; |
| 1737 | |
| 1738 | if (!lex_match (',')) |
| 1739 | goto fail; |
| 1740 | |
| 1741 | uint8_t buffer[4]; |
| 1742 | int n_bytes; |
| 1743 | expressionS exp1; |
| 1744 | if (!lex_opr (buffer, &n_bytes, &exp1, false)) |
| 1745 | goto fail; |
| 1746 | |
| 1747 | char *f = s12z_new_insn (1 + n_bytes + size); |
| 1748 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1749 | |
| 1750 | emit_reloc (&exp0, f, size, size == 4 ? BFD_RELOC_32 : BFD_RELOC_S12Z_OPR); |
| 1751 | |
| 1752 | int i; |
| 1753 | for (i = 0; i < size; ++i) |
| 1754 | number_to_chars_bigendian (f++, imm >> (CHAR_BIT * (size - i - 1)), 1); |
| 1755 | |
| 1756 | emit_opr (f, buffer, n_bytes, &exp1); |
| 1757 | |
| 1758 | return true; |
| 1759 | |
| 1760 | fail: |
| 1761 | fail_line_pointer = input_line_pointer; |
| 1762 | input_line_pointer = ilp; |
| 1763 | return false; |
| 1764 | } |
| 1765 | |
| 1766 | static bfd_boolean |
| 1767 | opr_opr (const struct instruction *insn) |
| 1768 | { |
| 1769 | char *ilp = input_line_pointer; |
| 1770 | |
| 1771 | uint8_t buffer1[4]; |
| 1772 | int n_bytes1; |
| 1773 | expressionS exp1; |
| 1774 | if (!lex_opr (buffer1, &n_bytes1, &exp1, false)) |
| 1775 | goto fail; |
| 1776 | |
| 1777 | |
| 1778 | if (!lex_match (',')) |
| 1779 | goto fail; |
| 1780 | |
| 1781 | uint8_t buffer2[4]; |
| 1782 | int n_bytes2; |
| 1783 | expressionS exp2; |
| 1784 | if (!lex_opr (buffer2, &n_bytes2, &exp2, false)) |
| 1785 | goto fail; |
| 1786 | |
| 1787 | char *f = s12z_new_insn (1 + n_bytes1 + n_bytes2); |
| 1788 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1789 | |
| 1790 | f = emit_opr (f, buffer1, n_bytes1, &exp1); |
| 1791 | f = emit_opr (f, buffer2, n_bytes2, &exp2); |
| 1792 | |
| 1793 | return true; |
| 1794 | |
| 1795 | fail: |
| 1796 | fail_line_pointer = input_line_pointer; |
| 1797 | input_line_pointer = ilp; |
| 1798 | return false; |
| 1799 | } |
| 1800 | |
| 1801 | static bfd_boolean |
| 1802 | reg67sxy_opr (const struct instruction *insn) |
| 1803 | { |
| 1804 | int reg; |
| 1805 | if (!lex_reg_name (REG_BIT_XYS | (0x1U << REG_D6) | (0x1U << REG_D7), ®)) |
| 1806 | return false; |
| 1807 | |
| 1808 | if (!lex_match (',')) |
| 1809 | return false; |
| 1810 | |
| 1811 | uint8_t buffer[4]; |
| 1812 | int n_bytes; |
| 1813 | expressionS exp; |
| 1814 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 1815 | return false; |
| 1816 | |
| 1817 | char *f = s12z_new_insn (1 + n_bytes); |
| 1818 | number_to_chars_bigendian (f++, insn->opc + reg - REG_D6, 1); |
| 1819 | emit_opr (f, buffer, n_bytes, &exp); |
| 1820 | |
| 1821 | return true; |
| 1822 | } |
| 1823 | |
| 1824 | static bfd_boolean |
| 1825 | rotate (const struct instruction *insn, short dir) |
| 1826 | { |
| 1827 | uint8_t buffer[4]; |
| 1828 | int n_bytes; |
| 1829 | expressionS exp; |
| 1830 | if (lex_opr (buffer, &n_bytes, &exp, false)) |
| 1831 | { |
| 1832 | char *f = s12z_new_insn (n_bytes + 2); |
| 1833 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1834 | int size = size_from_suffix (insn, 0); |
| 1835 | if (size < 0) |
| 1836 | size = 1; |
| 1837 | uint8_t sb = 0x24; |
| 1838 | sb |= size - 1; |
| 1839 | if (dir) |
| 1840 | sb |= 0x40; |
| 1841 | number_to_chars_bigendian (f++, sb, 1); |
| 1842 | emit_opr (f, buffer, n_bytes, &exp); |
| 1843 | |
| 1844 | return true; |
| 1845 | } |
| 1846 | |
| 1847 | return false; |
| 1848 | } |
| 1849 | |
| 1850 | static bfd_boolean |
| 1851 | rol (const struct instruction *insn) |
| 1852 | { |
| 1853 | return rotate (insn, 1); |
| 1854 | } |
| 1855 | |
| 1856 | static bfd_boolean |
| 1857 | ror (const struct instruction *insn) |
| 1858 | { |
| 1859 | return rotate (insn, 0); |
| 1860 | } |
| 1861 | |
| 1862 | |
| 1863 | /* Shift instruction with a register operand and an immediate #1 or #2 |
| 1864 | left = 1; right = 0; |
| 1865 | logical = 0; arithmetic = 1; |
| 1866 | */ |
| 1867 | static bfd_boolean |
| 1868 | lex_shift_reg_imm1 (const struct instruction *insn, short type, short dir) |
| 1869 | { |
| 1870 | /* |
| 1871 | This function is highly unusual and a bit wierd! |
| 1872 | It first matches the input against a register {d0, d1, ... d7} followed by an immediate |
| 1873 | {#1, #2}. |
| 1874 | Then, it rewinds the input and parses it again as a OPR. |
| 1875 | */ |
| 1876 | char *ilp = input_line_pointer; |
| 1877 | |
| 1878 | int Dd; |
| 1879 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 1880 | { |
| 1881 | goto fail; |
| 1882 | } |
| 1883 | |
| 1884 | if (!lex_match (',')) |
| 1885 | goto fail; |
| 1886 | |
| 1887 | long imm = -1; |
| 1888 | if (!lex_imm (&imm, NULL)) |
| 1889 | goto fail; |
| 1890 | |
| 1891 | if (imm != 1 && imm != 2) |
| 1892 | goto fail; |
| 1893 | input_line_pointer = ilp; |
| 1894 | |
| 1895 | /* Now parse the first operand again */ |
| 1896 | |
| 1897 | uint8_t buffer[4]; |
| 1898 | int n_bytes; |
| 1899 | |
| 1900 | expressionS exp; |
| 1901 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 1902 | goto fail; |
| 1903 | |
| 1904 | gas_assert (n_bytes == 1); |
| 1905 | |
| 1906 | uint8_t sb = 0x34; |
| 1907 | sb |= dir << 6; |
| 1908 | sb |= type << 7; |
| 1909 | if (imm == 2) |
| 1910 | sb |= 0x08; |
| 1911 | |
| 1912 | char *f = s12z_new_insn (3); |
| 1913 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 1914 | number_to_chars_bigendian (f++, sb, 1); |
| 1915 | emit_opr (f, buffer, n_bytes, &exp); |
| 1916 | |
| 1917 | return true; |
| 1918 | |
| 1919 | fail: |
| 1920 | fail_line_pointer = input_line_pointer; |
| 1921 | input_line_pointer = ilp; |
| 1922 | return false; |
| 1923 | } |
| 1924 | |
| 1925 | /* Shift instruction with a register operand. |
| 1926 | left = 1; right = 0; |
| 1927 | logical = 0; arithmetic = 1; */ |
| 1928 | static bfd_boolean |
| 1929 | lex_shift_reg (const struct instruction *insn, short type, short dir) |
| 1930 | { |
| 1931 | int Dd, Ds, Dn; |
| 1932 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 1933 | { |
| 1934 | goto fail; |
| 1935 | } |
| 1936 | |
| 1937 | if (!lex_match (',')) |
| 1938 | goto fail; |
| 1939 | |
| 1940 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) |
| 1941 | { |
| 1942 | goto fail; |
| 1943 | } |
| 1944 | |
| 1945 | if (!lex_match (',')) |
| 1946 | goto fail; |
| 1947 | |
| 1948 | uint8_t sb = 0x10; |
| 1949 | sb |= Ds; |
| 1950 | sb |= dir << 6; |
| 1951 | sb |= type << 7; |
| 1952 | long imm; |
| 1953 | if (lex_reg_name (REG_BIT_Dn, &Dn)) |
| 1954 | { |
| 1955 | char *f = s12z_new_insn (3); |
| 1956 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); |
| 1957 | number_to_chars_bigendian (f++, sb, 1); |
| 1958 | uint8_t xb = 0xb8; |
| 1959 | xb |= Dn; |
| 1960 | number_to_chars_bigendian (f++, xb, 1); |
| 1961 | |
| 1962 | return true; |
| 1963 | } |
| 1964 | else if (lex_imm (&imm, NULL)) |
| 1965 | { |
| 1966 | if (imm < 0 || imm > 31) |
| 1967 | { |
| 1968 | as_bad (_("Shift value should be in the range [0,31]")); |
| 1969 | goto fail; |
| 1970 | } |
| 1971 | |
| 1972 | int n_bytes = 3; |
| 1973 | if (imm == 1 || imm == 2) |
| 1974 | { |
| 1975 | n_bytes = 2; |
| 1976 | sb &= ~0x10; |
| 1977 | } |
| 1978 | else |
| 1979 | { |
| 1980 | sb |= (imm & 0x01) << 3; |
| 1981 | } |
| 1982 | |
| 1983 | char *f = s12z_new_insn (n_bytes); |
| 1984 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); |
| 1985 | number_to_chars_bigendian (f++, sb, 1); |
| 1986 | if (n_bytes > 2) |
| 1987 | { |
| 1988 | uint8_t xb = 0x70; |
| 1989 | xb |= imm >> 1; |
| 1990 | number_to_chars_bigendian (f++, xb, 1); |
| 1991 | } |
| 1992 | |
| 1993 | return true; |
| 1994 | } |
| 1995 | |
| 1996 | fail: |
| 1997 | fail_line_pointer = input_line_pointer; |
| 1998 | return false; |
| 1999 | } |
| 2000 | |
| 2001 | static void |
| 2002 | impute_shift_dir_and_type (const struct instruction *insn, short *type, short *dir) |
| 2003 | { |
| 2004 | *dir = -1; |
| 2005 | *type = -1; |
| 2006 | switch (insn->name[0]) |
| 2007 | { |
| 2008 | case 'l': |
| 2009 | *type = 0; |
| 2010 | break; |
| 2011 | case 'a': |
| 2012 | *type = 1; |
| 2013 | break; |
| 2014 | default: |
| 2015 | as_fatal (_("Bad shift mode")); |
| 2016 | break; |
| 2017 | } |
| 2018 | |
| 2019 | switch (insn->name[2]) |
| 2020 | { |
| 2021 | case 'l': |
| 2022 | *dir = 1; |
| 2023 | break; |
| 2024 | case 'r': |
| 2025 | *dir = 0; |
| 2026 | break; |
| 2027 | default: |
| 2028 | as_fatal (_("Bad shift *direction")); |
| 2029 | break; |
| 2030 | } |
| 2031 | } |
| 2032 | |
| 2033 | /* Shift instruction with a OPR operand */ |
| 2034 | static bfd_boolean |
| 2035 | shift_two_operand (const struct instruction *insn) |
| 2036 | { |
| 2037 | uint8_t sb = 0x34; |
| 2038 | char *ilp = input_line_pointer; |
| 2039 | |
| 2040 | short dir = -1; |
| 2041 | short type = -1; |
| 2042 | impute_shift_dir_and_type (insn, &type, &dir); |
| 2043 | sb |= dir << 6; |
| 2044 | sb |= type << 7; |
| 2045 | |
| 2046 | int size = size_from_suffix (insn, 0); |
| 2047 | sb |= size - 1; |
| 2048 | |
| 2049 | uint8_t buffer[4]; |
| 2050 | int n_opr_bytes; |
| 2051 | expressionS exp; |
| 2052 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
| 2053 | goto fail; |
| 2054 | |
| 2055 | if (!lex_match (',')) |
| 2056 | goto fail; |
| 2057 | |
| 2058 | long imm = -1; |
| 2059 | if (!lex_imm (&imm, NULL)) |
| 2060 | goto fail; |
| 2061 | |
| 2062 | if (imm != 1 && imm != 2) |
| 2063 | goto fail; |
| 2064 | |
| 2065 | if (imm == 2) |
| 2066 | sb |= 0x08; |
| 2067 | |
| 2068 | char *f = s12z_new_insn (2 + n_opr_bytes); |
| 2069 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2070 | number_to_chars_bigendian (f++, sb, 1); |
| 2071 | emit_opr (f, buffer, n_opr_bytes, &exp); |
| 2072 | |
| 2073 | return true; |
| 2074 | |
| 2075 | fail: |
| 2076 | fail_line_pointer = input_line_pointer; |
| 2077 | input_line_pointer = ilp; |
| 2078 | return false; |
| 2079 | } |
| 2080 | |
| 2081 | /* Shift instruction with a OPR operand */ |
| 2082 | static bfd_boolean |
| 2083 | shift_opr_imm (const struct instruction *insn) |
| 2084 | { |
| 2085 | char *ilp = input_line_pointer; |
| 2086 | |
| 2087 | short dir = -1; |
| 2088 | short type = -1; |
| 2089 | impute_shift_dir_and_type (insn, &type, &dir); |
| 2090 | |
| 2091 | int Dd = 0; |
| 2092 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 2093 | goto fail; |
| 2094 | |
| 2095 | if (!lex_match (',')) |
| 2096 | goto fail; |
| 2097 | |
| 2098 | int n_bytes = 2; |
| 2099 | |
| 2100 | uint8_t buffer1[4]; |
| 2101 | int n_opr_bytes1; |
| 2102 | |
| 2103 | expressionS exp1; |
| 2104 | if (!lex_opr (buffer1, &n_opr_bytes1, &exp1, false)) |
| 2105 | goto fail; |
| 2106 | |
| 2107 | n_bytes += n_opr_bytes1; |
| 2108 | if (!lex_match (',')) |
| 2109 | goto fail; |
| 2110 | |
| 2111 | uint8_t buffer2[4]; |
| 2112 | int n_opr_bytes2 = 0; |
| 2113 | expressionS exp2; |
| 2114 | long imm; |
| 2115 | bool immediate = false; |
| 2116 | if (lex_imm (&imm, NULL)) |
| 2117 | { |
| 2118 | immediate = true; |
| 2119 | } |
| 2120 | else if (!lex_opr (buffer2, &n_opr_bytes2, &exp2, false)) |
| 2121 | goto fail; |
| 2122 | |
| 2123 | uint8_t sb = 0x20; |
| 2124 | |
| 2125 | int size = size_from_suffix (insn, 0); |
| 2126 | |
| 2127 | if (size != -1) |
| 2128 | sb |= size - 1; |
| 2129 | |
| 2130 | sb |= dir << 6; |
| 2131 | sb |= type << 7; |
| 2132 | |
| 2133 | if (immediate) |
| 2134 | { |
| 2135 | if (imm == 2 || imm == 1) |
| 2136 | { |
| 2137 | if (imm == 2) |
| 2138 | sb |= 0x08; |
| 2139 | } |
| 2140 | else |
| 2141 | { |
| 2142 | n_bytes++; |
| 2143 | sb |= 0x10; |
| 2144 | if (imm % 2) |
| 2145 | sb |= 0x08; |
| 2146 | } |
| 2147 | } |
| 2148 | else |
| 2149 | { |
| 2150 | n_bytes += n_opr_bytes2; |
| 2151 | sb |= 0x10; |
| 2152 | } |
| 2153 | |
| 2154 | char *f = s12z_new_insn (n_bytes); |
| 2155 | number_to_chars_bigendian (f++, insn->opc | Dd, 1); |
| 2156 | number_to_chars_bigendian (f++, sb, 1); |
| 2157 | f = emit_opr (f, buffer1, n_opr_bytes1, &exp1); |
| 2158 | if (immediate) |
| 2159 | { |
| 2160 | if (imm != 1 && imm != 2) |
| 2161 | { |
| 2162 | number_to_chars_bigendian (f++, 0x70 | (imm >> 1), 1); |
| 2163 | } |
| 2164 | } |
| 2165 | else |
| 2166 | { |
| 2167 | f = emit_opr (f, buffer2, n_opr_bytes2, &exp2); |
| 2168 | } |
| 2169 | |
| 2170 | return true; |
| 2171 | |
| 2172 | fail: |
| 2173 | fail_line_pointer = input_line_pointer; |
| 2174 | input_line_pointer = ilp; |
| 2175 | return false; |
| 2176 | } |
| 2177 | |
| 2178 | /* Shift instruction with a register operand */ |
| 2179 | static bfd_boolean |
| 2180 | shift_reg (const struct instruction *insn) |
| 2181 | { |
| 2182 | short dir = -1; |
| 2183 | short type = -1; |
| 2184 | impute_shift_dir_and_type (insn, &type, &dir); |
| 2185 | |
| 2186 | if (lex_shift_reg_imm1 (insn, type, dir)) |
| 2187 | return true; |
| 2188 | |
| 2189 | return lex_shift_reg (insn, type, dir); |
| 2190 | } |
| 2191 | |
| 2192 | static bfd_boolean |
| 2193 | bm_regd_imm (const struct instruction *insn) |
| 2194 | { |
| 2195 | char *ilp = input_line_pointer; |
| 2196 | int Di = 0; |
| 2197 | if (!lex_reg_name (REG_BIT_Dn, &Di)) |
| 2198 | goto fail; |
| 2199 | |
| 2200 | if (!lex_match (',')) |
| 2201 | goto fail; |
| 2202 | |
| 2203 | long imm; |
| 2204 | if (!lex_imm (&imm, NULL)) |
| 2205 | goto fail; |
| 2206 | |
| 2207 | |
| 2208 | uint8_t bm = imm << 3; |
| 2209 | bm |= Di; |
| 2210 | |
| 2211 | char *f = s12z_new_insn (2); |
| 2212 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2213 | number_to_chars_bigendian (f++, bm, 1); |
| 2214 | |
| 2215 | return true; |
| 2216 | |
| 2217 | fail: |
| 2218 | fail_line_pointer = input_line_pointer; |
| 2219 | input_line_pointer = ilp; |
| 2220 | return false; |
| 2221 | } |
| 2222 | |
| 2223 | static bfd_boolean |
| 2224 | bm_opr_reg (const struct instruction *insn) |
| 2225 | { |
| 2226 | char *ilp = input_line_pointer; |
| 2227 | |
| 2228 | uint8_t buffer[4]; |
| 2229 | int n_opr_bytes; |
| 2230 | |
| 2231 | expressionS exp; |
| 2232 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
| 2233 | goto fail; |
| 2234 | |
| 2235 | if (!lex_match (',')) |
| 2236 | goto fail; |
| 2237 | |
| 2238 | int Dn = 0; |
| 2239 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) |
| 2240 | goto fail; |
| 2241 | |
| 2242 | uint8_t bm = Dn << 4; |
| 2243 | int size = size_from_suffix (insn, 0); |
| 2244 | bm |= (size - 1) << 2; |
| 2245 | bm |= 0x81; |
| 2246 | |
| 2247 | char *f = s12z_new_insn (2 + n_opr_bytes); |
| 2248 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2249 | number_to_chars_bigendian (f++, bm, 1); |
| 2250 | |
| 2251 | emit_opr (f, buffer, n_opr_bytes, &exp); |
| 2252 | |
| 2253 | return true; |
| 2254 | |
| 2255 | fail: |
| 2256 | fail_line_pointer = input_line_pointer; |
| 2257 | input_line_pointer = ilp; |
| 2258 | return false; |
| 2259 | } |
| 2260 | |
| 2261 | |
| 2262 | static bfd_boolean |
| 2263 | bm_opr_imm (const struct instruction *insn) |
| 2264 | { |
| 2265 | char *ilp = input_line_pointer; |
| 2266 | |
| 2267 | uint8_t buffer[4]; |
| 2268 | int n_opr_bytes; |
| 2269 | |
| 2270 | expressionS exp; |
| 2271 | if (!lex_opr (buffer, &n_opr_bytes, &exp, false)) |
| 2272 | goto fail; |
| 2273 | |
| 2274 | if (!lex_match (',')) |
| 2275 | goto fail; |
| 2276 | |
| 2277 | |
| 2278 | long imm; |
| 2279 | if (!lex_imm (&imm, NULL)) |
| 2280 | goto fail; |
| 2281 | |
| 2282 | int size = size_from_suffix (insn, 0); |
| 2283 | |
| 2284 | if (imm < 0 || imm >= size * 8) |
| 2285 | { |
| 2286 | as_bad (_("Immediate operand %ld is inappropriate for size of instruction"), imm); |
| 2287 | goto fail; |
| 2288 | } |
| 2289 | |
| 2290 | uint8_t bm = 0x80; |
| 2291 | if (size == 2) |
| 2292 | bm |= 0x02; |
| 2293 | else if (size == 4) |
| 2294 | bm |= 0x08; |
| 2295 | bm |= (imm & 0x07) << 4; |
| 2296 | bm |= (imm >> 3); |
| 2297 | |
| 2298 | |
| 2299 | char *f = s12z_new_insn (2 + n_opr_bytes); |
| 2300 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2301 | number_to_chars_bigendian (f++, bm, 1); |
| 2302 | emit_opr (f, buffer, n_opr_bytes, &exp); |
| 2303 | |
| 2304 | return true; |
| 2305 | |
| 2306 | fail: |
| 2307 | fail_line_pointer = input_line_pointer; |
| 2308 | input_line_pointer = ilp; |
| 2309 | return false; |
| 2310 | } |
| 2311 | |
| 2312 | |
| 2313 | static bfd_boolean |
| 2314 | bm_regd_reg (const struct instruction *insn) |
| 2315 | { |
| 2316 | char *ilp = input_line_pointer; |
| 2317 | int Di = 0; |
| 2318 | if (!lex_reg_name (REG_BIT_Dn, &Di)) |
| 2319 | goto fail; |
| 2320 | |
| 2321 | if (!lex_match (',')) |
| 2322 | goto fail; |
| 2323 | |
| 2324 | int Dn = 0; |
| 2325 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) |
| 2326 | goto fail; |
| 2327 | |
| 2328 | uint8_t bm = Dn << 4; |
| 2329 | bm |= 0x81; |
| 2330 | |
| 2331 | uint8_t xb = Di | 0xb8; |
| 2332 | |
| 2333 | char *f = s12z_new_insn (3); |
| 2334 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2335 | number_to_chars_bigendian (f++, bm, 1); |
| 2336 | number_to_chars_bigendian (f++, xb, 1); |
| 2337 | |
| 2338 | return true; |
| 2339 | |
| 2340 | fail: |
| 2341 | fail_line_pointer = input_line_pointer; |
| 2342 | input_line_pointer = ilp; |
| 2343 | return false; |
| 2344 | } |
| 2345 | |
| 2346 | |
| 2347 | \f |
| 2348 | |
| 2349 | |
| 2350 | static bfd_boolean |
| 2351 | bf_reg_opr_imm (const struct instruction *insn, short ie) |
| 2352 | { |
| 2353 | char *ilp = input_line_pointer; |
| 2354 | int Dd = 0; |
| 2355 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 2356 | goto fail; |
| 2357 | |
| 2358 | if (!lex_match (',')) |
| 2359 | goto fail; |
| 2360 | |
| 2361 | uint8_t buffer[4]; |
| 2362 | int n_bytes; |
| 2363 | |
| 2364 | expressionS exp; |
| 2365 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 2366 | goto fail; |
| 2367 | |
| 2368 | if (!lex_match (',')) |
| 2369 | goto fail; |
| 2370 | |
| 2371 | long width; |
| 2372 | if (!lex_imm (&width, NULL)) |
| 2373 | goto fail; |
| 2374 | |
| 2375 | if (width < 0 || width > 31) |
| 2376 | { |
| 2377 | as_bad (_("Invalid width value for %s"), insn->name); |
| 2378 | goto fail; |
| 2379 | } |
| 2380 | |
| 2381 | if (!lex_match (':')) |
| 2382 | goto fail; |
| 2383 | |
| 2384 | long offset; |
| 2385 | if (!lex_constant (&offset)) |
| 2386 | goto fail; |
| 2387 | |
| 2388 | if (offset < 0 || offset > 31) |
| 2389 | { |
| 2390 | as_bad (_("Invalid offset value for %s"), insn->name); |
| 2391 | goto fail; |
| 2392 | } |
| 2393 | |
| 2394 | uint8_t i1 = width << 5; |
| 2395 | i1 |= offset; |
| 2396 | |
| 2397 | int size = size_from_suffix (insn, 0); |
| 2398 | uint8_t bb = ie ? 0x80 : 0x00; |
| 2399 | bb |= 0x60; |
| 2400 | bb |= (size - 1) << 2; |
| 2401 | bb |= width >> 3; |
| 2402 | |
| 2403 | char *f = s12z_new_insn (4 + n_bytes); |
| 2404 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 2405 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); |
| 2406 | number_to_chars_bigendian (f++, bb, 1); |
| 2407 | number_to_chars_bigendian (f++, i1, 1); |
| 2408 | |
| 2409 | emit_opr (f, buffer, n_bytes, &exp); |
| 2410 | |
| 2411 | return true; |
| 2412 | |
| 2413 | fail: |
| 2414 | fail_line_pointer = input_line_pointer; |
| 2415 | input_line_pointer = ilp; |
| 2416 | return false; |
| 2417 | } |
| 2418 | |
| 2419 | |
| 2420 | static bfd_boolean |
| 2421 | bf_opr_reg_imm (const struct instruction *insn, short ie) |
| 2422 | { |
| 2423 | char *ilp = input_line_pointer; |
| 2424 | uint8_t buffer[4]; |
| 2425 | int n_bytes; |
| 2426 | expressionS exp; |
| 2427 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 2428 | goto fail; |
| 2429 | |
| 2430 | if (!lex_match (',')) |
| 2431 | goto fail; |
| 2432 | |
| 2433 | int Ds = 0; |
| 2434 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) |
| 2435 | goto fail; |
| 2436 | |
| 2437 | if (!lex_match (',')) |
| 2438 | goto fail; |
| 2439 | |
| 2440 | long width; |
| 2441 | if (!lex_imm (&width, NULL)) |
| 2442 | goto fail; |
| 2443 | |
| 2444 | if (width < 0 || width > 31) |
| 2445 | { |
| 2446 | as_bad (_("Invalid width value for %s"), insn->name); |
| 2447 | goto fail; |
| 2448 | } |
| 2449 | |
| 2450 | if (!lex_match (':')) |
| 2451 | goto fail; |
| 2452 | |
| 2453 | long offset; |
| 2454 | if (!lex_constant (&offset)) |
| 2455 | goto fail; |
| 2456 | |
| 2457 | if (offset < 0 || offset > 31) |
| 2458 | { |
| 2459 | as_bad (_("Invalid offset value for %s"), insn->name); |
| 2460 | goto fail; |
| 2461 | } |
| 2462 | |
| 2463 | uint8_t i1 = width << 5; |
| 2464 | i1 |= offset; |
| 2465 | |
| 2466 | int size = size_from_suffix (insn, 0); |
| 2467 | uint8_t bb = ie ? 0x80 : 0x00; |
| 2468 | bb |= 0x70; |
| 2469 | bb |= (size - 1) << 2; |
| 2470 | bb |= width >> 3; |
| 2471 | |
| 2472 | char *f = s12z_new_insn (4 + n_bytes); |
| 2473 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 2474 | number_to_chars_bigendian (f++, 0x08 | Ds, 1); |
| 2475 | number_to_chars_bigendian (f++, bb, 1); |
| 2476 | number_to_chars_bigendian (f++, i1, 1); |
| 2477 | |
| 2478 | emit_opr (f, buffer, n_bytes, &exp); |
| 2479 | |
| 2480 | return true; |
| 2481 | |
| 2482 | fail: |
| 2483 | fail_line_pointer = input_line_pointer; |
| 2484 | input_line_pointer = ilp; |
| 2485 | return false; |
| 2486 | } |
| 2487 | |
| 2488 | |
| 2489 | |
| 2490 | static bfd_boolean |
| 2491 | bf_reg_reg_imm (const struct instruction *insn, short ie) |
| 2492 | { |
| 2493 | char *ilp = input_line_pointer; |
| 2494 | int Dd = 0; |
| 2495 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 2496 | goto fail; |
| 2497 | |
| 2498 | if (!lex_match (',')) |
| 2499 | goto fail; |
| 2500 | |
| 2501 | int Ds = 0; |
| 2502 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) |
| 2503 | goto fail; |
| 2504 | |
| 2505 | if (!lex_match (',')) |
| 2506 | goto fail; |
| 2507 | |
| 2508 | long width; |
| 2509 | if (!lex_imm (&width, NULL)) |
| 2510 | goto fail; |
| 2511 | |
| 2512 | if (width < 0 || width > 31) |
| 2513 | { |
| 2514 | as_bad (_("Invalid width value for %s"), insn->name); |
| 2515 | goto fail; |
| 2516 | } |
| 2517 | |
| 2518 | if (!lex_match (':')) |
| 2519 | goto fail; |
| 2520 | |
| 2521 | long offset; |
| 2522 | if (!lex_constant (&offset)) |
| 2523 | goto fail; |
| 2524 | |
| 2525 | if (offset < 0 || offset > 31) |
| 2526 | { |
| 2527 | as_bad (_("Invalid offset value for %s"), insn->name); |
| 2528 | goto fail; |
| 2529 | } |
| 2530 | |
| 2531 | uint8_t bb = ie ? 0x80 : 0x00; |
| 2532 | bb |= 0x20; |
| 2533 | bb |= Ds << 2; |
| 2534 | bb |= width >> 3; |
| 2535 | |
| 2536 | uint8_t i1 = width << 5; |
| 2537 | i1 |= offset; |
| 2538 | |
| 2539 | char *f = s12z_new_insn (4); |
| 2540 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 2541 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); |
| 2542 | number_to_chars_bigendian (f++, bb, 1); |
| 2543 | number_to_chars_bigendian (f++, i1, 1); |
| 2544 | |
| 2545 | return true; |
| 2546 | |
| 2547 | fail: |
| 2548 | fail_line_pointer = input_line_pointer; |
| 2549 | input_line_pointer = ilp; |
| 2550 | return false; |
| 2551 | } |
| 2552 | |
| 2553 | static bfd_boolean |
| 2554 | bf_reg_reg_reg (const struct instruction *insn ATTRIBUTE_UNUSED, short ie) |
| 2555 | { |
| 2556 | char *ilp = input_line_pointer; |
| 2557 | int Dd = 0; |
| 2558 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 2559 | goto fail; |
| 2560 | |
| 2561 | if (!lex_match (',')) |
| 2562 | goto fail; |
| 2563 | |
| 2564 | int Ds = 0; |
| 2565 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) |
| 2566 | goto fail; |
| 2567 | |
| 2568 | if (!lex_match (',')) |
| 2569 | goto fail; |
| 2570 | |
| 2571 | int Dp = 0; |
| 2572 | if (!lex_reg_name ((0x01u << REG_D2) | |
| 2573 | (0x01u << REG_D3) | |
| 2574 | (0x01u << REG_D4) | |
| 2575 | (0x01u << REG_D5), |
| 2576 | &Dp)) |
| 2577 | goto fail; |
| 2578 | |
| 2579 | uint8_t bb = ie ? 0x80 : 0x00; |
| 2580 | bb |= Ds << 2; |
| 2581 | bb |= Dp; |
| 2582 | |
| 2583 | char *f = s12z_new_insn (3); |
| 2584 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 2585 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); |
| 2586 | number_to_chars_bigendian (f++, bb , 1); |
| 2587 | |
| 2588 | return true; |
| 2589 | |
| 2590 | fail: |
| 2591 | fail_line_pointer = input_line_pointer; |
| 2592 | input_line_pointer = ilp; |
| 2593 | return false; |
| 2594 | } |
| 2595 | |
| 2596 | static bfd_boolean |
| 2597 | bf_opr_reg_reg (const struct instruction *insn, short ie) |
| 2598 | { |
| 2599 | char *ilp = input_line_pointer; |
| 2600 | |
| 2601 | uint8_t buffer[4]; |
| 2602 | int n_bytes; |
| 2603 | expressionS exp; |
| 2604 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 2605 | goto fail; |
| 2606 | |
| 2607 | if (!lex_match (',')) |
| 2608 | goto fail; |
| 2609 | |
| 2610 | |
| 2611 | int Ds = 0; |
| 2612 | if (!lex_reg_name (REG_BIT_Dn, &Ds)) |
| 2613 | goto fail; |
| 2614 | |
| 2615 | if (!lex_match (',')) |
| 2616 | goto fail; |
| 2617 | |
| 2618 | |
| 2619 | int Dp = 0; |
| 2620 | if (!lex_reg_name ((0x01u << REG_D2) | |
| 2621 | (0x01u << REG_D3) | |
| 2622 | (0x01u << REG_D4) | |
| 2623 | (0x01u << REG_D5), |
| 2624 | &Dp)) |
| 2625 | goto fail; |
| 2626 | |
| 2627 | int size = size_from_suffix (insn, 0); |
| 2628 | uint8_t bb = ie ? 0x80 : 0x00; |
| 2629 | bb |= 0x50; |
| 2630 | bb |= Dp; |
| 2631 | bb |= (size - 1) << 2; |
| 2632 | |
| 2633 | char *f = s12z_new_insn (3 + n_bytes); |
| 2634 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 2635 | number_to_chars_bigendian (f++, 0x08 | Ds, 1); |
| 2636 | number_to_chars_bigendian (f++, bb , 1); |
| 2637 | |
| 2638 | emit_opr (f, buffer, n_bytes, &exp); |
| 2639 | |
| 2640 | return true; |
| 2641 | |
| 2642 | fail: |
| 2643 | fail_line_pointer = input_line_pointer; |
| 2644 | input_line_pointer = ilp; |
| 2645 | return false; |
| 2646 | } |
| 2647 | |
| 2648 | |
| 2649 | static bfd_boolean |
| 2650 | bf_reg_opr_reg (const struct instruction *insn, short ie) |
| 2651 | { |
| 2652 | char *ilp = input_line_pointer; |
| 2653 | int Dd = 0; |
| 2654 | if (!lex_reg_name (REG_BIT_Dn, &Dd)) |
| 2655 | goto fail; |
| 2656 | |
| 2657 | if (!lex_match (',')) |
| 2658 | goto fail; |
| 2659 | |
| 2660 | |
| 2661 | uint8_t buffer[4]; |
| 2662 | int n_bytes; |
| 2663 | expressionS exp; |
| 2664 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 2665 | goto fail; |
| 2666 | |
| 2667 | if (!lex_match (',')) |
| 2668 | goto fail; |
| 2669 | |
| 2670 | int Dp = 0; |
| 2671 | if (!lex_reg_name ((0x01u << REG_D2) | |
| 2672 | (0x01u << REG_D3) | |
| 2673 | (0x01u << REG_D4) | |
| 2674 | (0x01u << REG_D5), |
| 2675 | &Dp)) |
| 2676 | goto fail; |
| 2677 | |
| 2678 | int size = size_from_suffix (insn, 0); |
| 2679 | uint8_t bb = ie ? 0x80 : 0x00; |
| 2680 | bb |= 0x40; |
| 2681 | bb |= Dp; |
| 2682 | bb |= (size - 1) << 2; |
| 2683 | |
| 2684 | char *f = s12z_new_insn (3 + n_bytes); |
| 2685 | number_to_chars_bigendian (f++, PAGE2_PREBYTE, 1); |
| 2686 | number_to_chars_bigendian (f++, 0x08 | Dd, 1); |
| 2687 | number_to_chars_bigendian (f++, bb , 1); |
| 2688 | |
| 2689 | emit_opr (f, buffer, n_bytes, &exp); |
| 2690 | |
| 2691 | return true; |
| 2692 | |
| 2693 | fail: |
| 2694 | fail_line_pointer = input_line_pointer; |
| 2695 | input_line_pointer = ilp; |
| 2696 | return false; |
| 2697 | } |
| 2698 | |
| 2699 | |
| 2700 | |
| 2701 | static bfd_boolean |
| 2702 | bfe_reg_reg_reg (const struct instruction *insn) |
| 2703 | { |
| 2704 | return bf_reg_reg_reg (insn, 0); |
| 2705 | } |
| 2706 | |
| 2707 | static bfd_boolean |
| 2708 | bfi_reg_reg_reg (const struct instruction *insn) |
| 2709 | { |
| 2710 | return bf_reg_reg_reg (insn, 1); |
| 2711 | } |
| 2712 | |
| 2713 | static bfd_boolean |
| 2714 | bfe_reg_reg_imm (const struct instruction *insn) |
| 2715 | { |
| 2716 | return bf_reg_reg_imm (insn, 0); |
| 2717 | } |
| 2718 | |
| 2719 | static bfd_boolean |
| 2720 | bfi_reg_reg_imm (const struct instruction *insn) |
| 2721 | { |
| 2722 | return bf_reg_reg_imm (insn, 1); |
| 2723 | } |
| 2724 | |
| 2725 | |
| 2726 | static bfd_boolean |
| 2727 | bfe_reg_opr_reg (const struct instruction *insn) |
| 2728 | { |
| 2729 | return bf_reg_opr_reg (insn, 0); |
| 2730 | } |
| 2731 | |
| 2732 | static bfd_boolean |
| 2733 | bfi_reg_opr_reg (const struct instruction *insn) |
| 2734 | { |
| 2735 | return bf_reg_opr_reg (insn, 1); |
| 2736 | } |
| 2737 | |
| 2738 | |
| 2739 | static bfd_boolean |
| 2740 | bfe_opr_reg_reg (const struct instruction *insn) |
| 2741 | { |
| 2742 | return bf_opr_reg_reg (insn, 0); |
| 2743 | } |
| 2744 | |
| 2745 | static bfd_boolean |
| 2746 | bfi_opr_reg_reg (const struct instruction *insn) |
| 2747 | { |
| 2748 | return bf_opr_reg_reg (insn, 1); |
| 2749 | } |
| 2750 | |
| 2751 | static bfd_boolean |
| 2752 | bfe_reg_opr_imm (const struct instruction *insn) |
| 2753 | { |
| 2754 | return bf_reg_opr_imm (insn, 0); |
| 2755 | } |
| 2756 | |
| 2757 | static bfd_boolean |
| 2758 | bfi_reg_opr_imm (const struct instruction *insn) |
| 2759 | { |
| 2760 | return bf_reg_opr_imm (insn, 1); |
| 2761 | } |
| 2762 | |
| 2763 | static bfd_boolean |
| 2764 | bfe_opr_reg_imm (const struct instruction *insn) |
| 2765 | { |
| 2766 | return bf_opr_reg_imm (insn, 0); |
| 2767 | } |
| 2768 | |
| 2769 | static bfd_boolean |
| 2770 | bfi_opr_reg_imm (const struct instruction *insn) |
| 2771 | { |
| 2772 | return bf_opr_reg_imm (insn, 1); |
| 2773 | } |
| 2774 | |
| 2775 | \f |
| 2776 | |
| 2777 | |
| 2778 | static bfd_boolean |
| 2779 | tb_reg_rel (const struct instruction *insn) |
| 2780 | { |
| 2781 | char *ilp = input_line_pointer; |
| 2782 | |
| 2783 | int reg; |
| 2784 | if (!lex_reg_name (REG_BIT_Dn | REG_BIT_XY, ®)) |
| 2785 | goto fail; |
| 2786 | |
| 2787 | if (!lex_match (',')) |
| 2788 | goto fail; |
| 2789 | |
| 2790 | bool long_displacement; |
| 2791 | expressionS exp; |
| 2792 | if (! lex_15_bit_offset (&long_displacement, &exp)) |
| 2793 | goto fail; |
| 2794 | |
| 2795 | uint8_t lb = 0x00; |
| 2796 | if (reg == REG_X || reg == REG_Y) |
| 2797 | { |
| 2798 | lb |= 0x08; |
| 2799 | } |
| 2800 | else |
| 2801 | { |
| 2802 | lb |= reg; |
| 2803 | } |
| 2804 | if (reg == REG_Y) |
| 2805 | lb |= 0x01; |
| 2806 | |
| 2807 | if (0 == strncmp (insn->name + 2, "ne", 2)) |
| 2808 | lb |= 0x00 << 4; |
| 2809 | else if (0 == strncmp (insn->name + 2, "eq", 2)) |
| 2810 | lb |= 0x01 << 4; |
| 2811 | else if (0 == strncmp (insn->name + 2, "pl", 2)) |
| 2812 | lb |= 0x02 << 4; |
| 2813 | else if (0 == strncmp (insn->name + 2, "mi", 2)) |
| 2814 | lb |= 0x03 << 4; |
| 2815 | else if (0 == strncmp (insn->name + 2, "gt", 2)) |
| 2816 | lb |= 0x04 << 4; |
| 2817 | else if (0 == strncmp (insn->name + 2, "le", 2)) |
| 2818 | lb |= 0x05 << 4; |
| 2819 | |
| 2820 | switch (insn->name[0]) |
| 2821 | { |
| 2822 | case 'd': |
| 2823 | lb |= 0x80; |
| 2824 | break; |
| 2825 | case 't': |
| 2826 | break; |
| 2827 | default: |
| 2828 | gas_assert (0); |
| 2829 | break; |
| 2830 | }; |
| 2831 | |
| 2832 | char *f = s12z_new_insn (long_displacement ? 4 : 3); |
| 2833 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2834 | number_to_chars_bigendian (f++, lb, 1); |
| 2835 | |
| 2836 | emit_15_bit_offset (f, 4, &exp); |
| 2837 | |
| 2838 | return true; |
| 2839 | |
| 2840 | fail: |
| 2841 | fail_line_pointer = input_line_pointer; |
| 2842 | input_line_pointer = ilp; |
| 2843 | return false; |
| 2844 | } |
| 2845 | |
| 2846 | |
| 2847 | static bfd_boolean |
| 2848 | tb_opr_rel (const struct instruction *insn) |
| 2849 | { |
| 2850 | char *ilp = input_line_pointer; |
| 2851 | |
| 2852 | uint8_t buffer[4]; |
| 2853 | int n_bytes; |
| 2854 | expressionS exp; |
| 2855 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 2856 | goto fail; |
| 2857 | |
| 2858 | if (!lex_match (',')) |
| 2859 | goto fail; |
| 2860 | |
| 2861 | bool long_displacement; |
| 2862 | expressionS exp2; |
| 2863 | if (! lex_15_bit_offset (&long_displacement, &exp2)) |
| 2864 | goto fail; |
| 2865 | |
| 2866 | uint8_t lb = 0x0C; |
| 2867 | |
| 2868 | if (0 == strncmp (insn->name + 2, "ne", 2)) |
| 2869 | lb |= 0x00 << 4; |
| 2870 | else if (0 == strncmp (insn->name + 2, "eq", 2)) |
| 2871 | lb |= 0x01 << 4; |
| 2872 | else if (0 == strncmp (insn->name + 2, "pl", 2)) |
| 2873 | lb |= 0x02 << 4; |
| 2874 | else if (0 == strncmp (insn->name + 2, "mi", 2)) |
| 2875 | lb |= 0x03 << 4; |
| 2876 | else if (0 == strncmp (insn->name + 2, "gt", 2)) |
| 2877 | lb |= 0x04 << 4; |
| 2878 | else if (0 == strncmp (insn->name + 2, "le", 2)) |
| 2879 | lb |= 0x05 << 4; |
| 2880 | |
| 2881 | switch (insn->name[0]) |
| 2882 | { |
| 2883 | case 'd': |
| 2884 | lb |= 0x80; |
| 2885 | break; |
| 2886 | case 't': |
| 2887 | break; |
| 2888 | default: |
| 2889 | gas_assert (0); |
| 2890 | break; |
| 2891 | }; |
| 2892 | |
| 2893 | int size = size_from_suffix (insn, 0); |
| 2894 | |
| 2895 | lb |= size -1; |
| 2896 | |
| 2897 | char *f = s12z_new_insn (n_bytes + (long_displacement ? 4 : 3)); |
| 2898 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2899 | number_to_chars_bigendian (f++, lb, 1); |
| 2900 | f = emit_opr (f, buffer, n_bytes, &exp); |
| 2901 | |
| 2902 | emit_15_bit_offset (f, n_bytes + 4, &exp2); |
| 2903 | |
| 2904 | return true; |
| 2905 | |
| 2906 | fail: |
| 2907 | fail_line_pointer = input_line_pointer; |
| 2908 | input_line_pointer = ilp; |
| 2909 | return false; |
| 2910 | } |
| 2911 | |
| 2912 | \f |
| 2913 | |
| 2914 | |
| 2915 | static bfd_boolean |
| 2916 | test_br_reg_reg_rel (const struct instruction *insn) |
| 2917 | { |
| 2918 | char *ilp = input_line_pointer; |
| 2919 | |
| 2920 | int Di = 0; |
| 2921 | if (!lex_reg_name (REG_BIT_Dn, &Di)) |
| 2922 | goto fail; |
| 2923 | |
| 2924 | if (!lex_match (',')) |
| 2925 | goto fail; |
| 2926 | |
| 2927 | |
| 2928 | int Dn = 0; |
| 2929 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) |
| 2930 | goto fail; |
| 2931 | |
| 2932 | if (!lex_match (',')) |
| 2933 | goto fail; |
| 2934 | |
| 2935 | |
| 2936 | bool long_displacement; |
| 2937 | expressionS exp; |
| 2938 | if (! lex_15_bit_offset (&long_displacement, &exp)) |
| 2939 | goto fail; |
| 2940 | |
| 2941 | uint8_t bm = 0x81; |
| 2942 | uint8_t xb = 0xb8; |
| 2943 | |
| 2944 | bm |= Dn << 4; |
| 2945 | xb |= Di; |
| 2946 | |
| 2947 | char *f = s12z_new_insn (long_displacement ? 5 : 4); |
| 2948 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2949 | number_to_chars_bigendian (f++, bm, 1); |
| 2950 | number_to_chars_bigendian (f++, xb, 1); |
| 2951 | |
| 2952 | emit_15_bit_offset (f, 5, &exp); |
| 2953 | |
| 2954 | return true; |
| 2955 | |
| 2956 | fail: |
| 2957 | fail_line_pointer = input_line_pointer; |
| 2958 | input_line_pointer = ilp; |
| 2959 | return false; |
| 2960 | } |
| 2961 | |
| 2962 | static bfd_boolean |
| 2963 | test_br_opr_reg_rel (const struct instruction *insn) |
| 2964 | { |
| 2965 | char *ilp = input_line_pointer; |
| 2966 | |
| 2967 | uint8_t buffer[4]; |
| 2968 | int n_bytes; |
| 2969 | expressionS exp; |
| 2970 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 2971 | goto fail; |
| 2972 | |
| 2973 | if (!lex_match (',')) |
| 2974 | goto fail; |
| 2975 | |
| 2976 | int Dn = 0; |
| 2977 | if (!lex_reg_name (REG_BIT_Dn, &Dn)) |
| 2978 | goto fail; |
| 2979 | |
| 2980 | if (!lex_match (',')) |
| 2981 | goto fail; |
| 2982 | |
| 2983 | uint8_t bm = 0x81; |
| 2984 | bm |= Dn << 4; |
| 2985 | int size = size_from_suffix (insn, 0); |
| 2986 | bm |= (size -1) << 2; |
| 2987 | |
| 2988 | bool long_displacement; |
| 2989 | |
| 2990 | expressionS exp2; |
| 2991 | if (! lex_15_bit_offset (&long_displacement, &exp2)) |
| 2992 | goto fail; |
| 2993 | |
| 2994 | int n = n_bytes + (long_displacement ? 4 : 3); |
| 2995 | char *f = s12z_new_insn (n); |
| 2996 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 2997 | number_to_chars_bigendian (f++, bm, 1); |
| 2998 | f = emit_opr (f, buffer, n_bytes, &exp); |
| 2999 | |
| 3000 | emit_15_bit_offset (f, n, &exp2); |
| 3001 | |
| 3002 | return true; |
| 3003 | |
| 3004 | fail: |
| 3005 | fail_line_pointer = input_line_pointer; |
| 3006 | input_line_pointer = ilp; |
| 3007 | return false; |
| 3008 | } |
| 3009 | |
| 3010 | |
| 3011 | static bfd_boolean |
| 3012 | test_br_opr_imm_rel (const struct instruction *insn) |
| 3013 | { |
| 3014 | char *ilp = input_line_pointer; |
| 3015 | |
| 3016 | uint8_t buffer[4]; |
| 3017 | int n_bytes; |
| 3018 | expressionS exp; |
| 3019 | if (!lex_opr (buffer, &n_bytes, &exp, false)) |
| 3020 | goto fail; |
| 3021 | |
| 3022 | if (!lex_match (',')) |
| 3023 | goto fail; |
| 3024 | |
| 3025 | long imm; |
| 3026 | if (!lex_imm (&imm, NULL)) |
| 3027 | goto fail; |
| 3028 | |
| 3029 | if (imm < 0 || imm > 31) |
| 3030 | goto fail; |
| 3031 | |
| 3032 | if (!lex_match (',')) |
| 3033 | goto fail; |
| 3034 | |
| 3035 | bool long_displacement; |
| 3036 | expressionS exp2; |
| 3037 | if (! lex_15_bit_offset (&long_displacement, &exp2)) |
| 3038 | goto fail; |
| 3039 | |
| 3040 | int size = size_from_suffix (insn, 0); |
| 3041 | |
| 3042 | uint8_t bm = 0x80; |
| 3043 | bm |= (imm & 0x07) << 4; |
| 3044 | bm |= (imm >> 3) & 0x03; |
| 3045 | if (size == 4) |
| 3046 | bm |= 0x08; |
| 3047 | else if (size == 2) |
| 3048 | bm |= 0x02; |
| 3049 | |
| 3050 | char *f = s12z_new_insn (n_bytes + (long_displacement ? 4 : 3)); |
| 3051 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 3052 | number_to_chars_bigendian (f++, bm, 1); |
| 3053 | f = emit_opr (f, buffer, n_bytes, &exp); |
| 3054 | |
| 3055 | emit_15_bit_offset (f, n_bytes + 4, &exp2); |
| 3056 | |
| 3057 | return true; |
| 3058 | |
| 3059 | fail: |
| 3060 | fail_line_pointer = input_line_pointer; |
| 3061 | input_line_pointer = ilp; |
| 3062 | return false; |
| 3063 | } |
| 3064 | |
| 3065 | |
| 3066 | static bfd_boolean |
| 3067 | test_br_reg_imm_rel (const struct instruction *insn) |
| 3068 | { |
| 3069 | char *ilp = input_line_pointer; |
| 3070 | |
| 3071 | int Di = 0; |
| 3072 | if (!lex_reg_name (REG_BIT_Dn, &Di)) |
| 3073 | goto fail; |
| 3074 | |
| 3075 | if (!lex_match (',')) |
| 3076 | goto fail; |
| 3077 | |
| 3078 | long imm; |
| 3079 | if (!lex_imm (&imm, NULL)) |
| 3080 | goto fail; |
| 3081 | |
| 3082 | if (imm < 0 || imm > 31) |
| 3083 | goto fail; |
| 3084 | |
| 3085 | |
| 3086 | if (!lex_match (',')) |
| 3087 | goto fail; |
| 3088 | |
| 3089 | bool long_displacement; |
| 3090 | expressionS exp; |
| 3091 | if (! lex_15_bit_offset (&long_displacement, &exp)) |
| 3092 | goto fail; |
| 3093 | |
| 3094 | uint8_t bm = Di; |
| 3095 | bm |= imm << 3; |
| 3096 | |
| 3097 | char *f = s12z_new_insn (long_displacement ? 4 : 3); |
| 3098 | number_to_chars_bigendian (f++, insn->opc, 1); |
| 3099 | number_to_chars_bigendian (f++, bm, 1); |
| 3100 | |
| 3101 | emit_15_bit_offset (f, 4, &exp); |
| 3102 | |
| 3103 | return true; |
| 3104 | |
| 3105 | fail: |
| 3106 | fail_line_pointer = input_line_pointer; |
| 3107 | input_line_pointer = ilp; |
| 3108 | return false; |
| 3109 | } |
| 3110 | |
| 3111 | |
| 3112 | \f |
| 3113 | |
| 3114 | static const struct instruction opcodes[] = { |
| 3115 | {"bgnd", 1, 0x00, no_operands, 0}, |
| 3116 | {"nop", 1, 0x01, no_operands, 0}, |
| 3117 | |
| 3118 | {"brclr", 1, 0x02, test_br_reg_reg_rel, 0}, |
| 3119 | {"brset", 1, 0x03, test_br_reg_reg_rel, 0}, |
| 3120 | |
| 3121 | {"brclr", 1, 0x02, test_br_reg_imm_rel, 0}, |
| 3122 | {"brset", 1, 0x03, test_br_reg_imm_rel, 0}, |
| 3123 | |
| 3124 | {"brclr.b", 1, 0x02, test_br_opr_reg_rel, 0}, |
| 3125 | {"brclr.w", 1, 0x02, test_br_opr_reg_rel, 0}, |
| 3126 | {"brclr.l", 1, 0x02, test_br_opr_reg_rel, 0}, |
| 3127 | |
| 3128 | {"brset.b", 1, 0x03, test_br_opr_reg_rel, 0}, |
| 3129 | {"brset.w", 1, 0x03, test_br_opr_reg_rel, 0}, |
| 3130 | {"brset.l", 1, 0x03, test_br_opr_reg_rel, 0}, |
| 3131 | |
| 3132 | {"brclr.b", 1, 0x02, test_br_opr_imm_rel, 0}, |
| 3133 | {"brclr.w", 1, 0x02, test_br_opr_imm_rel, 0}, |
| 3134 | {"brclr.l", 1, 0x02, test_br_opr_imm_rel, 0}, |
| 3135 | |
| 3136 | {"brset.b", 1, 0x03, test_br_opr_imm_rel, 0}, |
| 3137 | {"brset.w", 1, 0x03, test_br_opr_imm_rel, 0}, |
| 3138 | {"brset.l", 1, 0x03, test_br_opr_imm_rel, 0}, |
| 3139 | |
| 3140 | {"psh", 1, 0x04, psh_pull, 0}, |
| 3141 | {"pul", 1, 0x04, psh_pull, 0}, |
| 3142 | |
| 3143 | {"rts", 1, 0x05, no_operands, 0}, |
| 3144 | {"lea", 1, 0x06, reg67sxy_opr, 0}, |
| 3145 | |
| 3146 | {"dbne", 1, 0x0b, tb_reg_rel, 0}, |
| 3147 | {"dbeq", 1, 0x0b, tb_reg_rel, 0}, |
| 3148 | {"dbpl", 1, 0x0b, tb_reg_rel, 0}, |
| 3149 | {"dbmi", 1, 0x0b, tb_reg_rel, 0}, |
| 3150 | {"dbgt", 1, 0x0b, tb_reg_rel, 0}, |
| 3151 | {"dble", 1, 0x0b, tb_reg_rel, 0}, |
| 3152 | |
| 3153 | {"dbne.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3154 | {"dbeq.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3155 | {"dbpl.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3156 | {"dbmi.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3157 | {"dbgt.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3158 | {"dble.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3159 | |
| 3160 | {"dbne.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3161 | {"dbeq.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3162 | {"dbpl.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3163 | {"dbmi.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3164 | {"dbgt.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3165 | {"dble.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3166 | |
| 3167 | {"dbne.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3168 | {"dbeq.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3169 | {"dbpl.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3170 | {"dbmi.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3171 | {"dbgt.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3172 | {"dble.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3173 | |
| 3174 | {"dbne.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3175 | {"dbeq.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3176 | {"dbpl.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3177 | {"dbmi.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3178 | {"dbgt.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3179 | {"dble.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3180 | |
| 3181 | {"tbne", 1, 0x0b, tb_reg_rel, 0}, |
| 3182 | {"tbeq", 1, 0x0b, tb_reg_rel, 0}, |
| 3183 | {"tbpl", 1, 0x0b, tb_reg_rel, 0}, |
| 3184 | {"tbmi", 1, 0x0b, tb_reg_rel, 0}, |
| 3185 | {"tbgt", 1, 0x0b, tb_reg_rel, 0}, |
| 3186 | {"tble", 1, 0x0b, tb_reg_rel, 0}, |
| 3187 | |
| 3188 | {"tbne.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3189 | {"tbeq.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3190 | {"tbpl.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3191 | {"tbmi.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3192 | {"tbgt.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3193 | {"tble.b", 1, 0x0b, tb_opr_rel, 0}, |
| 3194 | |
| 3195 | {"tbne.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3196 | {"tbeq.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3197 | {"tbpl.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3198 | {"tbmi.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3199 | {"tbgt.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3200 | {"tble.w", 1, 0x0b, tb_opr_rel, 0}, |
| 3201 | |
| 3202 | {"tbne.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3203 | {"tbeq.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3204 | {"tbpl.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3205 | {"tbmi.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3206 | {"tbgt.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3207 | {"tble.p", 1, 0x0b, tb_opr_rel, 0}, |
| 3208 | |
| 3209 | {"tbne.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3210 | {"tbeq.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3211 | {"tbpl.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3212 | {"tbmi.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3213 | {"tbgt.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3214 | {"tble.l", 1, 0x0b, tb_opr_rel, 0}, |
| 3215 | |
| 3216 | {"mov.b", 1, 0x0c, imm_opr, 0}, |
| 3217 | {"mov.w", 1, 0x0d, imm_opr, 0}, |
| 3218 | {"mov.p", 1, 0x0e, imm_opr, 0}, |
| 3219 | {"mov.l", 1, 0x0f, imm_opr, 0}, |
| 3220 | |
| 3221 | {"rol", 1, 0x10, rol, 0}, |
| 3222 | {"rol.b", 1, 0x10, rol, 0}, |
| 3223 | {"rol.w", 1, 0x10, rol, 0}, |
| 3224 | {"rol.p", 1, 0x10, rol, 0}, |
| 3225 | {"rol.l", 1, 0x10, rol, 0}, |
| 3226 | |
| 3227 | {"ror", 1, 0x10, ror, 0}, |
| 3228 | {"ror.b", 1, 0x10, ror, 0}, |
| 3229 | {"ror.w", 1, 0x10, ror, 0}, |
| 3230 | {"ror.p", 1, 0x10, ror, 0}, |
| 3231 | {"ror.l", 1, 0x10, ror, 0}, |
| 3232 | |
| 3233 | {"lsl", 1, 0x10, shift_reg, 0}, |
| 3234 | {"lsr", 1, 0x10, shift_reg, 0}, |
| 3235 | {"asl", 1, 0x10, shift_reg, 0}, |
| 3236 | {"asr", 1, 0x10, shift_reg, 0}, |
| 3237 | |
| 3238 | {"lsl.b", 1, 0x10, shift_two_operand, 0}, |
| 3239 | {"lsl.w", 1, 0x10, shift_two_operand, 0}, |
| 3240 | {"lsl.p", 1, 0x10, shift_two_operand, 0}, |
| 3241 | {"lsl.l", 1, 0x10, shift_two_operand, 0}, |
| 3242 | {"asl.b", 1, 0x10, shift_two_operand, 0}, |
| 3243 | {"asl.w", 1, 0x10, shift_two_operand, 0}, |
| 3244 | {"asl.p", 1, 0x10, shift_two_operand, 0}, |
| 3245 | {"asl.l", 1, 0x10, shift_two_operand, 0}, |
| 3246 | |
| 3247 | {"lsr.b", 1, 0x10, shift_two_operand, 0}, |
| 3248 | {"lsr.w", 1, 0x10, shift_two_operand, 0}, |
| 3249 | {"lsr.p", 1, 0x10, shift_two_operand, 0}, |
| 3250 | {"lsr.l", 1, 0x10, shift_two_operand, 0}, |
| 3251 | {"asr.b", 1, 0x10, shift_two_operand, 0}, |
| 3252 | {"asr.w", 1, 0x10, shift_two_operand, 0}, |
| 3253 | {"asr.p", 1, 0x10, shift_two_operand, 0}, |
| 3254 | {"asr.l", 1, 0x10, shift_two_operand, 0}, |
| 3255 | |
| 3256 | {"lsl.b", 1, 0x10, shift_opr_imm, 0}, |
| 3257 | {"lsl.w", 1, 0x10, shift_opr_imm, 0}, |
| 3258 | {"lsl.p", 1, 0x10, shift_opr_imm, 0}, |
| 3259 | {"lsl.l", 1, 0x10, shift_opr_imm, 0}, |
| 3260 | {"asl.b", 1, 0x10, shift_opr_imm, 0}, |
| 3261 | {"asl.w", 1, 0x10, shift_opr_imm, 0}, |
| 3262 | {"asl.p", 1, 0x10, shift_opr_imm, 0}, |
| 3263 | {"asl.l", 1, 0x10, shift_opr_imm, 0}, |
| 3264 | |
| 3265 | {"lsr.b", 1, 0x10, shift_opr_imm, 0}, |
| 3266 | {"lsr.w", 1, 0x10, shift_opr_imm, 0}, |
| 3267 | {"lsr.p", 1, 0x10, shift_opr_imm, 0}, |
| 3268 | {"lsr.l", 1, 0x10, shift_opr_imm, 0}, |
| 3269 | {"asr.b", 1, 0x10, shift_opr_imm, 0}, |
| 3270 | {"asr.w", 1, 0x10, shift_opr_imm, 0}, |
| 3271 | {"asr.p", 1, 0x10, shift_opr_imm, 0}, |
| 3272 | {"asr.l", 1, 0x10, shift_opr_imm, 0}, |
| 3273 | |
| 3274 | {"mov.b", 1, 0x1c, opr_opr, 0}, |
| 3275 | {"mov.w", 1, 0x1d, opr_opr, 0}, |
| 3276 | {"mov.p", 1, 0x1e, opr_opr, 0}, |
| 3277 | {"mov.l", 1, 0x1f, opr_opr, 0}, |
| 3278 | |
| 3279 | {"bra", 1, 0x20, rel, 0}, |
| 3280 | {"bsr", 1, 0x21, rel, 0}, |
| 3281 | {"bhi", 1, 0x22, rel, 0}, |
| 3282 | {"bls", 1, 0x23, rel, 0}, |
| 3283 | {"bcc", 1, 0x24, rel, 0}, |
| 3284 | {"bhs", 1, 0x24, rel, 0}, /* Alias for bcc */ |
| 3285 | {"bcs", 1, 0x25, rel, 0}, |
| 3286 | {"blo", 1, 0x25, rel, 0}, /* Alias for bcs */ |
| 3287 | {"bne", 1, 0x26, rel, 0}, |
| 3288 | {"beq", 1, 0x27, rel, 0}, |
| 3289 | {"bvc", 1, 0x28, rel, 0}, |
| 3290 | {"bvs", 1, 0x29, rel, 0}, |
| 3291 | {"bpl", 1, 0x2a, rel, 0}, |
| 3292 | {"bmi", 1, 0x2b, rel, 0}, |
| 3293 | {"bge", 1, 0x2c, rel, 0}, |
| 3294 | {"blt", 1, 0x2d, rel, 0}, |
| 3295 | {"bgt", 1, 0x2e, rel, 0}, |
| 3296 | {"ble", 1, 0x2f, rel, 0}, |
| 3297 | |
| 3298 | {"inc", 1, 0x30, reg_inh, 0}, |
| 3299 | {"clr", 1, 0x38, reg_inh, 0}, |
| 3300 | {"dec", 1, 0x40, reg_inh, 0}, |
| 3301 | |
| 3302 | {"muls", 1, 0x48, mul_reg_reg_reg, 0}, |
| 3303 | {"mulu", 1, 0x48, mul_reg_reg_reg, 0}, |
| 3304 | |
| 3305 | {"muls.b", 1, 0x48, mul_reg_reg_opr, 0}, |
| 3306 | {"muls.w", 1, 0x48, mul_reg_reg_opr, 0}, |
| 3307 | {"muls.l", 1, 0x48, mul_reg_reg_opr, 0}, |
| 3308 | |
| 3309 | {"mulu.b", 1, 0x48, mul_reg_reg_opr, 0}, |
| 3310 | {"mulu.w", 1, 0x48, mul_reg_reg_opr, 0}, |
| 3311 | {"mulu.l", 1, 0x48, mul_reg_reg_opr, 0}, |
| 3312 | |
| 3313 | {"muls.b", 1, 0x48, mul_reg_reg_imm, 0}, |
| 3314 | {"muls.w", 1, 0x48, mul_reg_reg_imm, 0}, |
| 3315 | {"muls.l", 1, 0x48, mul_reg_reg_imm, 0}, |
| 3316 | |
| 3317 | {"mulu.b", 1, 0x48, mul_reg_reg_imm, 0}, |
| 3318 | {"mulu.w", 1, 0x48, mul_reg_reg_imm, 0}, |
| 3319 | {"mulu.l", 1, 0x48, mul_reg_reg_imm, 0}, |
| 3320 | |
| 3321 | {"muls.bb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3322 | {"muls.bw", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3323 | {"muls.bp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3324 | {"muls.bl", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3325 | |
| 3326 | {"muls.wb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3327 | {"muls.ww", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3328 | {"muls.wp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3329 | {"muls.wl", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3330 | |
| 3331 | {"muls.pb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3332 | {"muls.pw", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3333 | {"muls.pp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3334 | {"muls.pl", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3335 | |
| 3336 | {"muls.lb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3337 | {"muls.lw", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3338 | {"muls.lp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3339 | {"muls.ll", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3340 | |
| 3341 | {"mulu.bb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3342 | {"mulu.bw", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3343 | {"mulu.bp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3344 | {"mulu.bl", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3345 | |
| 3346 | {"mulu.wb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3347 | {"mulu.ww", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3348 | {"mulu.wp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3349 | {"mulu.wl", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3350 | |
| 3351 | {"mulu.pb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3352 | {"mulu.pw", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3353 | {"mulu.pp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3354 | {"mulu.pl", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3355 | |
| 3356 | {"mulu.lb", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3357 | {"mulu.lw", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3358 | {"mulu.lp", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3359 | {"mulu.ll", 1, 0x48, mul_reg_opr_opr, 0}, |
| 3360 | |
| 3361 | {"add", 1, 0x50, regd_imm, 0}, |
| 3362 | {"and", 1, 0x58, regd_imm, 0}, |
| 3363 | |
| 3364 | {"add", 1, 0x60, regd_opr, 0}, |
| 3365 | {"and", 1, 0x68, regd_opr, 0}, |
| 3366 | |
| 3367 | {"sub", 1, 0x70, regd_imm, 0}, |
| 3368 | {"or", 1, 0x78, regd_imm, 0}, |
| 3369 | |
| 3370 | {"sub", 1, 0x80, regd_opr, 0}, |
| 3371 | {"or", 1, 0x88, regd_opr, 0}, |
| 3372 | |
| 3373 | {"ld", 1, 0x90, regdxy_imm, 0}, |
| 3374 | |
| 3375 | {"clr", 1, 0x9a, clr_xy, 0}, |
| 3376 | {"tfr", 1, 0x9e, tfr, 0}, |
| 3377 | {"zex", 1, 0x9e, tfr, 0}, |
| 3378 | |
| 3379 | {"ld", 1, 0xa0, regdxy_opr_src, 0xb0}, |
| 3380 | |
| 3381 | {"jmp", 1, 0xaa, opr, 0xba}, |
| 3382 | {"jsr", 1, 0xab, opr, 0xbb}, |
| 3383 | |
| 3384 | {"exg", 1, 0xae, tfr, 0}, |
| 3385 | {"sex", 1, 0xae, tfr, 0}, |
| 3386 | |
| 3387 | {"st", 1, 0xc0, regdxy_opr_dest, 0xd0}, |
| 3388 | |
| 3389 | {"andcc", 1, 0xce, imm8, 0}, |
| 3390 | {"orcc", 1, 0xde, imm8, 0}, |
| 3391 | |
| 3392 | {"inc.b", 1, 0x9c, opr, 0}, |
| 3393 | {"inc.w", 1, 0x9d, opr, 0}, |
| 3394 | {"inc.l", 1, 0x9f, opr, 0}, |
| 3395 | |
| 3396 | {"dec.b", 1, 0xac, opr, 0}, |
| 3397 | {"dec.w", 1, 0xad, opr, 0}, |
| 3398 | {"dec.l", 1, 0xaf, opr, 0}, |
| 3399 | |
| 3400 | {"clr.b", 1, 0xbc, opr, 0}, |
| 3401 | {"clr.w", 1, 0xbd, opr, 0}, |
| 3402 | {"clr.p", 1, 0xbe, opr, 0}, |
| 3403 | {"clr.l", 1, 0xbf, opr, 0}, |
| 3404 | |
| 3405 | {"com.b", 1, 0xcc, opr, 0}, |
| 3406 | {"com.w", 1, 0xcd, opr, 0}, |
| 3407 | {"com.l", 1, 0xcf, opr, 0}, |
| 3408 | |
| 3409 | {"neg.b", 1, 0xdc, opr, 0}, |
| 3410 | {"neg.w", 1, 0xdd, opr, 0}, |
| 3411 | {"neg.l", 1, 0xdf, opr, 0}, |
| 3412 | |
| 3413 | {"bclr", 1, 0xec, bm_regd_imm, 0}, |
| 3414 | {"bset", 1, 0xed, bm_regd_imm, 0}, |
| 3415 | {"btgl", 1, 0xee, bm_regd_imm, 0}, |
| 3416 | |
| 3417 | {"bclr", 1, 0xec, bm_regd_reg, 0}, |
| 3418 | {"bset", 1, 0xed, bm_regd_reg, 0}, |
| 3419 | {"btgl", 1, 0xee, bm_regd_reg, 0}, |
| 3420 | |
| 3421 | {"bclr.b", 1, 0xec, bm_opr_imm, 0}, |
| 3422 | {"bclr.w", 1, 0xec, bm_opr_imm, 0}, |
| 3423 | {"bclr.l", 1, 0xec, bm_opr_imm, 0}, |
| 3424 | |
| 3425 | {"bset.b", 1, 0xed, bm_opr_imm, 0}, |
| 3426 | {"bset.w", 1, 0xed, bm_opr_imm, 0}, |
| 3427 | {"bset.l", 1, 0xed, bm_opr_imm, 0}, |
| 3428 | |
| 3429 | {"btgl.b", 1, 0xee, bm_opr_imm, 0}, |
| 3430 | {"btgl.w", 1, 0xee, bm_opr_imm, 0}, |
| 3431 | {"btgl.l", 1, 0xee, bm_opr_imm, 0}, |
| 3432 | |
| 3433 | {"bclr.b", 1, 0xec, bm_opr_reg, 0}, |
| 3434 | {"bclr.w", 1, 0xec, bm_opr_reg, 0}, |
| 3435 | {"bclr.l", 1, 0xec, bm_opr_reg, 0}, |
| 3436 | |
| 3437 | {"bset.b", 1, 0xed, bm_opr_reg, 0}, |
| 3438 | {"bset.w", 1, 0xed, bm_opr_reg, 0}, |
| 3439 | {"bset.l", 1, 0xed, bm_opr_reg, 0}, |
| 3440 | |
| 3441 | {"btgl.b", 1, 0xee, bm_opr_reg, 0}, |
| 3442 | {"btgl.w", 1, 0xee, bm_opr_reg, 0}, |
| 3443 | {"btgl.l", 1, 0xee, bm_opr_reg, 0}, |
| 3444 | |
| 3445 | {"cmp", 1, 0xe0, regdxy_imm, 0}, |
| 3446 | {"cmp", 1, 0xf0, regdxy_opr_src, 0}, |
| 3447 | |
| 3448 | {"cmp", 1, 0xfc, regx_regy, 0}, |
| 3449 | {"sub", 1, 0xfd, regd6_regx_regy, 0}, |
| 3450 | {"sub", 1, 0xfe, regd6_regy_regx, 0}, |
| 3451 | |
| 3452 | {"swi", 1, 0xff, no_operands, 0}, |
| 3453 | |
| 3454 | /* Page 2 */ |
| 3455 | |
| 3456 | /* The -10 below is a kludge. The opcode is in fact 0x00 */ |
| 3457 | {"ld", 2, -10, regs_opr_src, 0}, |
| 3458 | |
| 3459 | /* The -9 below is a kludge. The opcode is in fact 0x01 */ |
| 3460 | {"st", 2, -9, regs_opr_dest, 0}, |
| 3461 | |
| 3462 | /* The -8 below is a kludge. The opcode is in fact 0x02 */ |
| 3463 | {"cmp", 2, -8, regs_opr_src, 0}, |
| 3464 | |
| 3465 | /* The -7 below is a kludge. The opcode is in fact 0x03 */ |
| 3466 | {"ld", 2, -7, regs_imm, 0}, |
| 3467 | |
| 3468 | /* The -6 below is a kludge. The opcode is in fact 0x04 */ |
| 3469 | {"cmp", 2, -6, regs_imm, 0}, |
| 3470 | |
| 3471 | {"bfext", 2, 0x08, bfe_reg_reg_reg, 0}, |
| 3472 | {"bfext", 2, 0x08, bfe_reg_reg_imm, 0}, |
| 3473 | {"bfext.b", 2, 0x08, bfe_reg_opr_reg, 0}, |
| 3474 | {"bfext.w", 2, 0x08, bfe_reg_opr_reg, 0}, |
| 3475 | {"bfext.p", 2, 0x08, bfe_reg_opr_reg, 0}, |
| 3476 | {"bfext.l", 2, 0x08, bfe_reg_opr_reg, 0}, |
| 3477 | {"bfext.b", 2, 0x08, bfe_opr_reg_reg, 0}, |
| 3478 | {"bfext.w", 2, 0x08, bfe_opr_reg_reg, 0}, |
| 3479 | {"bfext.p", 2, 0x08, bfe_opr_reg_reg, 0}, |
| 3480 | {"bfext.l", 2, 0x08, bfe_opr_reg_reg, 0}, |
| 3481 | {"bfext.b", 2, 0x08, bfe_reg_opr_imm, 0}, |
| 3482 | {"bfext.w", 2, 0x08, bfe_reg_opr_imm, 0}, |
| 3483 | {"bfext.p", 2, 0x08, bfe_reg_opr_imm, 0}, |
| 3484 | {"bfext.l", 2, 0x08, bfe_reg_opr_imm, 0}, |
| 3485 | {"bfext.b", 2, 0x08, bfe_opr_reg_imm, 0}, |
| 3486 | {"bfext.w", 2, 0x08, bfe_opr_reg_imm, 0}, |
| 3487 | {"bfext.p", 2, 0x08, bfe_opr_reg_imm, 0}, |
| 3488 | {"bfext.l", 2, 0x08, bfe_opr_reg_imm, 0}, |
| 3489 | |
| 3490 | |
| 3491 | {"bfins", 2, 0x08, bfi_reg_reg_reg, 0}, |
| 3492 | {"bfins", 2, 0x08, bfi_reg_reg_imm, 0}, |
| 3493 | {"bfins.b", 2, 0x08, bfi_reg_opr_reg, 0}, |
| 3494 | {"bfins.w", 2, 0x08, bfi_reg_opr_reg, 0}, |
| 3495 | {"bfins.p", 2, 0x08, bfi_reg_opr_reg, 0}, |
| 3496 | {"bfins.l", 2, 0x08, bfi_reg_opr_reg, 0}, |
| 3497 | {"bfins.b", 2, 0x08, bfi_opr_reg_reg, 0}, |
| 3498 | {"bfins.w", 2, 0x08, bfi_opr_reg_reg, 0}, |
| 3499 | {"bfins.p", 2, 0x08, bfi_opr_reg_reg, 0}, |
| 3500 | {"bfins.l", 2, 0x08, bfi_opr_reg_reg, 0}, |
| 3501 | {"bfins.b", 2, 0x08, bfi_reg_opr_imm, 0}, |
| 3502 | {"bfins.w", 2, 0x08, bfi_reg_opr_imm, 0}, |
| 3503 | {"bfins.p", 2, 0x08, bfi_reg_opr_imm, 0}, |
| 3504 | {"bfins.l", 2, 0x08, bfi_reg_opr_imm, 0}, |
| 3505 | {"bfins.b", 2, 0x08, bfi_opr_reg_imm, 0}, |
| 3506 | {"bfins.w", 2, 0x08, bfi_opr_reg_imm, 0}, |
| 3507 | {"bfins.p", 2, 0x08, bfi_opr_reg_imm, 0}, |
| 3508 | {"bfins.l", 2, 0x08, bfi_opr_reg_imm, 0}, |
| 3509 | |
| 3510 | |
| 3511 | {"minu", 2, 0x10, regd_opr, 0}, |
| 3512 | {"maxu", 2, 0x18, regd_opr, 0}, |
| 3513 | {"mins", 2, 0x20, regd_opr, 0}, |
| 3514 | {"maxs", 2, 0x28, regd_opr, 0}, |
| 3515 | |
| 3516 | {"clb", 2, 0x91, tfr, 0}, |
| 3517 | |
| 3518 | {"trap", 2, 0x00, trap_imm, 0}, |
| 3519 | {"abs", 2, 0x40, reg_inh, 0}, |
| 3520 | {"sat", 2, 0xa0, reg_inh, 0}, |
| 3521 | |
| 3522 | {"rti", 2, 0x90, no_operands, 0}, |
| 3523 | {"stop", 2, 0x05, no_operands, 0}, |
| 3524 | {"wai", 2, 0x06, no_operands, 0}, |
| 3525 | {"sys", 2, 0x07, no_operands, 0}, |
| 3526 | |
| 3527 | {"bit", 2, 0x58, regd_imm, 0}, |
| 3528 | {"bit", 2, 0x68, regd_opr, 0}, |
| 3529 | |
| 3530 | {"adc", 2, 0x50, regd_imm, 0}, |
| 3531 | {"adc", 2, 0x60, regd_opr, 0}, |
| 3532 | |
| 3533 | {"sbc", 2, 0x70, regd_imm, 0}, |
| 3534 | {"eor", 2, 0x78, regd_imm, 0}, |
| 3535 | |
| 3536 | {"sbc", 2, 0x80, regd_opr, 0}, |
| 3537 | {"eor", 2, 0x88, regd_opr, 0}, |
| 3538 | |
| 3539 | {"divs", 2, 0x30, mul_reg_reg_reg, 0}, |
| 3540 | {"divu", 2, 0x30, mul_reg_reg_reg, 0}, |
| 3541 | |
| 3542 | {"divs.b", 2, 0x30, mul_reg_reg_opr, 0}, |
| 3543 | {"divs.w", 2, 0x30, mul_reg_reg_opr, 0}, |
| 3544 | {"divs.l", 2, 0x30, mul_reg_reg_opr, 0}, |
| 3545 | |
| 3546 | {"divu.b", 2, 0x30, mul_reg_reg_opr, 0}, |
| 3547 | {"divu.w", 2, 0x30, mul_reg_reg_opr, 0}, |
| 3548 | {"divu.l", 2, 0x30, mul_reg_reg_opr, 0}, |
| 3549 | |
| 3550 | {"divs.b", 2, 0x30, mul_reg_reg_imm, 0}, |
| 3551 | {"divs.w", 2, 0x30, mul_reg_reg_imm, 0}, |
| 3552 | {"divs.l", 2, 0x30, mul_reg_reg_imm, 0}, |
| 3553 | |
| 3554 | {"divu.b", 2, 0x30, mul_reg_reg_imm, 0}, |
| 3555 | {"divu.w", 2, 0x30, mul_reg_reg_imm, 0}, |
| 3556 | {"divu.l", 2, 0x30, mul_reg_reg_imm, 0}, |
| 3557 | |
| 3558 | {"divs.bb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3559 | {"divs.bw", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3560 | {"divs.bp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3561 | {"divs.bl", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3562 | |
| 3563 | {"divs.wb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3564 | {"divs.ww", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3565 | {"divs.wp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3566 | {"divs.wl", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3567 | |
| 3568 | {"divs.pb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3569 | {"divs.pw", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3570 | {"divs.pp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3571 | {"divs.pl", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3572 | |
| 3573 | {"divs.lb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3574 | {"divs.lw", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3575 | {"divs.lp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3576 | {"divs.ll", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3577 | |
| 3578 | {"divu.bb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3579 | {"divu.bw", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3580 | {"divu.bp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3581 | {"divu.bl", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3582 | |
| 3583 | {"divu.wb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3584 | {"divu.ww", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3585 | {"divu.wp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3586 | {"divu.wl", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3587 | |
| 3588 | {"divu.pb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3589 | {"divu.pw", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3590 | {"divu.pp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3591 | {"divu.pl", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3592 | |
| 3593 | {"divu.lb", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3594 | {"divu.lw", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3595 | {"divu.lp", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3596 | {"divu.ll", 2, 0x30, mul_reg_opr_opr, 0}, |
| 3597 | |
| 3598 | // |
| 3599 | |
| 3600 | {"qmuls", 2, 0xb0, mul_reg_reg_reg, 0}, |
| 3601 | {"qmulu", 2, 0xb0, mul_reg_reg_reg, 0}, |
| 3602 | |
| 3603 | {"qmuls.b", 2, 0xb0, mul_reg_reg_opr, 0}, |
| 3604 | {"qmuls.w", 2, 0xb0, mul_reg_reg_opr, 0}, |
| 3605 | {"qmuls.l", 2, 0xb0, mul_reg_reg_opr, 0}, |
| 3606 | |
| 3607 | {"qmulu.b", 2, 0xb0, mul_reg_reg_opr, 0}, |
| 3608 | {"qmulu.w", 2, 0xb0, mul_reg_reg_opr, 0}, |
| 3609 | {"qmulu.l", 2, 0xb0, mul_reg_reg_opr, 0}, |
| 3610 | |
| 3611 | {"qmuls.b", 2, 0xb0, mul_reg_reg_imm, 0}, |
| 3612 | {"qmuls.w", 2, 0xb0, mul_reg_reg_imm, 0}, |
| 3613 | {"qmuls.l", 2, 0xb0, mul_reg_reg_imm, 0}, |
| 3614 | |
| 3615 | {"qmulu.b", 2, 0xb0, mul_reg_reg_imm, 0}, |
| 3616 | {"qmulu.w", 2, 0xb0, mul_reg_reg_imm, 0}, |
| 3617 | {"qmulu.l", 2, 0xb0, mul_reg_reg_imm, 0}, |
| 3618 | |
| 3619 | {"qmuls.bb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3620 | {"qmuls.bw", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3621 | {"qmuls.bp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3622 | {"qmuls.bl", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3623 | |
| 3624 | {"qmuls.wb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3625 | {"qmuls.ww", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3626 | {"qmuls.wp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3627 | {"qmuls.wl", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3628 | |
| 3629 | {"qmuls.pb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3630 | {"qmuls.pw", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3631 | {"qmuls.pp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3632 | {"qmuls.pl", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3633 | |
| 3634 | {"qmuls.lb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3635 | {"qmuls.lw", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3636 | {"qmuls.lp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3637 | {"qmuls.ll", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3638 | |
| 3639 | {"qmulu.bb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3640 | {"qmulu.bw", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3641 | {"qmulu.bp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3642 | {"qmulu.bl", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3643 | |
| 3644 | {"qmulu.wb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3645 | {"qmulu.ww", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3646 | {"qmulu.wp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3647 | {"qmulu.wl", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3648 | |
| 3649 | {"qmulu.pb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3650 | {"qmulu.pw", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3651 | {"qmulu.pp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3652 | {"qmulu.pl", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3653 | |
| 3654 | {"qmulu.lb", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3655 | {"qmulu.lw", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3656 | {"qmulu.lp", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3657 | {"qmulu.ll", 2, 0xb0, mul_reg_opr_opr, 0}, |
| 3658 | |
| 3659 | |
| 3660 | // |
| 3661 | |
| 3662 | {"macs", 2, 0x48, mul_reg_reg_reg, 0}, |
| 3663 | {"macu", 2, 0x48, mul_reg_reg_reg, 0}, |
| 3664 | |
| 3665 | {"macs.b", 2, 0x48, mul_reg_reg_opr, 0}, |
| 3666 | {"macs.w", 2, 0x48, mul_reg_reg_opr, 0}, |
| 3667 | {"macs.l", 2, 0x48, mul_reg_reg_opr, 0}, |
| 3668 | |
| 3669 | {"macu.b", 2, 0x48, mul_reg_reg_opr, 0}, |
| 3670 | {"macu.w", 2, 0x48, mul_reg_reg_opr, 0}, |
| 3671 | {"macu.l", 2, 0x48, mul_reg_reg_opr, 0}, |
| 3672 | |
| 3673 | {"macs.b", 2, 0x48, mul_reg_reg_imm, 0}, |
| 3674 | {"macs.w", 2, 0x48, mul_reg_reg_imm, 0}, |
| 3675 | {"macs.l", 2, 0x48, mul_reg_reg_imm, 0}, |
| 3676 | |
| 3677 | {"macu.b", 2, 0x48, mul_reg_reg_imm, 0}, |
| 3678 | {"macu.w", 2, 0x48, mul_reg_reg_imm, 0}, |
| 3679 | {"macu.l", 2, 0x48, mul_reg_reg_imm, 0}, |
| 3680 | |
| 3681 | {"macs.bb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3682 | {"macs.bw", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3683 | {"macs.bp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3684 | {"macs.bl", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3685 | |
| 3686 | {"macs.wb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3687 | {"macs.ww", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3688 | {"macs.wp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3689 | {"macs.wl", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3690 | |
| 3691 | {"macs.pb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3692 | {"macs.pw", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3693 | {"macs.pp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3694 | {"macs.pl", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3695 | |
| 3696 | {"macs.lb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3697 | {"macs.lw", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3698 | {"macs.lp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3699 | {"macs.ll", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3700 | |
| 3701 | {"macu.bb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3702 | {"macu.bw", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3703 | {"macu.bp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3704 | {"macu.bl", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3705 | |
| 3706 | {"macu.wb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3707 | {"macu.ww", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3708 | {"macu.wp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3709 | {"macu.wl", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3710 | |
| 3711 | {"macu.pb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3712 | {"macu.pw", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3713 | {"macu.pp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3714 | {"macu.pl", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3715 | |
| 3716 | {"macu.lb", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3717 | {"macu.lw", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3718 | {"macu.lp", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3719 | {"macu.ll", 2, 0x48, mul_reg_opr_opr, 0}, |
| 3720 | |
| 3721 | |
| 3722 | // |
| 3723 | |
| 3724 | {"mods", 2, 0x38, mul_reg_reg_reg, 0}, |
| 3725 | {"modu", 2, 0x38, mul_reg_reg_reg, 0}, |
| 3726 | |
| 3727 | {"mods.b", 2, 0x38, mul_reg_reg_opr, 0}, |
| 3728 | {"mods.w", 2, 0x38, mul_reg_reg_opr, 0}, |
| 3729 | {"mods.l", 2, 0x38, mul_reg_reg_opr, 0}, |
| 3730 | |
| 3731 | {"modu.b", 2, 0x38, mul_reg_reg_opr, 0}, |
| 3732 | {"modu.w", 2, 0x38, mul_reg_reg_opr, 0}, |
| 3733 | {"modu.l", 2, 0x38, mul_reg_reg_opr, 0}, |
| 3734 | |
| 3735 | {"mods.b", 2, 0x38, mul_reg_reg_imm, 0}, |
| 3736 | {"mods.w", 2, 0x38, mul_reg_reg_imm, 0}, |
| 3737 | {"mods.l", 2, 0x38, mul_reg_reg_imm, 0}, |
| 3738 | |
| 3739 | {"modu.b", 2, 0x38, mul_reg_reg_imm, 0}, |
| 3740 | {"modu.w", 2, 0x38, mul_reg_reg_imm, 0}, |
| 3741 | {"modu.l", 2, 0x38, mul_reg_reg_imm, 0}, |
| 3742 | |
| 3743 | {"mods.bb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3744 | {"mods.bw", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3745 | {"mods.bp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3746 | {"mods.bl", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3747 | |
| 3748 | {"mods.wb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3749 | {"mods.ww", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3750 | {"mods.wp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3751 | {"mods.wl", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3752 | |
| 3753 | {"mods.pb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3754 | {"mods.pw", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3755 | {"mods.pp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3756 | {"mods.pl", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3757 | |
| 3758 | {"mods.lb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3759 | {"mods.lw", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3760 | {"mods.lp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3761 | {"mods.ll", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3762 | |
| 3763 | {"modu.bb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3764 | {"modu.bw", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3765 | {"modu.bp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3766 | {"modu.bl", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3767 | |
| 3768 | {"modu.wb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3769 | {"modu.ww", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3770 | {"modu.wp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3771 | {"modu.wl", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3772 | |
| 3773 | {"modu.pb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3774 | {"modu.pw", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3775 | {"modu.pp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3776 | {"modu.pl", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3777 | |
| 3778 | {"modu.lb", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3779 | {"modu.lw", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3780 | {"modu.lp", 2, 0x38, mul_reg_opr_opr, 0}, |
| 3781 | {"modu.ll", 2, 0x38, mul_reg_opr_opr, 0} |
| 3782 | }; |
| 3783 | |
| 3784 | \f |
| 3785 | /* Gas line assembler entry point. */ |
| 3786 | |
| 3787 | /* This is the main entry point for the machine-dependent assembler. str |
| 3788 | points to a machine-dependent instruction. This function is supposed to |
| 3789 | emit the frags/bytes it assembles to. */ |
| 3790 | void |
| 3791 | md_assemble (char *str) |
| 3792 | { |
| 3793 | char *op_start; |
| 3794 | char *op_end; |
| 3795 | char name[20]; |
| 3796 | size_t nlen = 0; |
| 3797 | |
| 3798 | fail_line_pointer = NULL; |
| 3799 | |
| 3800 | /* Find the opcode end and get the opcode in 'name'. The opcode is forced |
| 3801 | lower case (the opcode table only has lower case op-codes). */ |
| 3802 | for (op_start = op_end = str; |
| 3803 | *op_end && !is_end_of_line[(int)*op_end] && *op_end != ' '; |
| 3804 | op_end++) |
| 3805 | { |
| 3806 | name[nlen] = TOLOWER (op_start[nlen]); |
| 3807 | nlen++; |
| 3808 | gas_assert (nlen < sizeof (name) - 1); |
| 3809 | } |
| 3810 | name[nlen] = 0; |
| 3811 | |
| 3812 | if (nlen == 0) |
| 3813 | { |
| 3814 | as_bad (_("No instruction or missing opcode.")); |
| 3815 | return; |
| 3816 | } |
| 3817 | |
| 3818 | input_line_pointer = skip_whites (op_end); |
| 3819 | |
| 3820 | size_t i; |
| 3821 | for (i = 0; i < sizeof (opcodes) / sizeof (opcodes[0]); ++i) |
| 3822 | { |
| 3823 | const struct instruction *opc = opcodes + i; |
| 3824 | if (0 == strcmp (name, opc->name)) |
| 3825 | { |
| 3826 | if (opc->parse_operands (opc)) |
| 3827 | return; |
| 3828 | continue; |
| 3829 | } |
| 3830 | } |
| 3831 | |
| 3832 | as_bad (_("Invalid instruction: \"%s\""), str); |
| 3833 | as_bad (_("First invalid token: \"%s\""), fail_line_pointer); |
| 3834 | while (*input_line_pointer++) |
| 3835 | ; |
| 3836 | } |
| 3837 | |
| 3838 | \f |
| 3839 | |
| 3840 | |
| 3841 | \f |
| 3842 | /* Relocation, relaxation and frag conversions. */ |
| 3843 | |
| 3844 | /* PC-relative offsets are relative to the start of the |
| 3845 | next instruction. That is, the address of the offset, plus its |
| 3846 | size, since the offset is always the last part of the insn. */ |
| 3847 | long |
| 3848 | md_pcrel_from (fixS *fixP) |
| 3849 | { |
| 3850 | long ret = fixP->fx_size + fixP->fx_frag->fr_address; |
| 3851 | if (fixP->fx_addsy && S_IS_DEFINED (fixP->fx_addsy)) |
| 3852 | ret += fixP->fx_where; |
| 3853 | |
| 3854 | return ret; |
| 3855 | } |
| 3856 | |
| 3857 | |
| 3858 | /* We need a port-specific relaxation function to cope with sym2 - sym1 |
| 3859 | relative expressions with both symbols in the same segment (but not |
| 3860 | necessarily in the same frag as this insn), for example: |
| 3861 | ldab sym2-(sym1-2),pc |
| 3862 | sym1: |
| 3863 | The offset can be 5, 9 or 16 bits long. */ |
| 3864 | |
| 3865 | long |
| 3866 | s12z_relax_frag (segT seg ATTRIBUTE_UNUSED, fragS *fragP ATTRIBUTE_UNUSED, |
| 3867 | long stretch ATTRIBUTE_UNUSED) |
| 3868 | { |
| 3869 | return false; |
| 3870 | } |
| 3871 | |
| 3872 | void |
| 3873 | md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED, asection *sec ATTRIBUTE_UNUSED, |
| 3874 | fragS *fragP ATTRIBUTE_UNUSED) |
| 3875 | { |
| 3876 | } |
| 3877 | |
| 3878 | /* On an ELF system, we can't relax a weak symbol. The weak symbol |
| 3879 | can be overridden at final link time by a non weak symbol. We can |
| 3880 | relax externally visible symbol because there is no shared library |
| 3881 | and such symbol can't be overridden (unless they are weak). */ |
| 3882 | |
| 3883 | /* Force truly undefined symbols to their maximum size, and generally set up |
| 3884 | the frag list to be relaxed. */ |
| 3885 | int |
| 3886 | md_estimate_size_before_relax (fragS *fragP ATTRIBUTE_UNUSED, asection *segment ATTRIBUTE_UNUSED) |
| 3887 | { |
| 3888 | return false; |
| 3889 | } |
| 3890 | |
| 3891 | |
| 3892 | /* If while processing a fixup, a reloc really needs to be created |
| 3893 | then it is done here. */ |
| 3894 | arelent * |
| 3895 | tc_gen_reloc (asection *section, fixS *fixp) |
| 3896 | { |
| 3897 | arelent *reloc = XNEW (arelent); |
| 3898 | reloc->sym_ptr_ptr = XNEW (asymbol *); |
| 3899 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); |
| 3900 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
| 3901 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); |
| 3902 | if (reloc->howto == (reloc_howto_type *) NULL) |
| 3903 | { |
| 3904 | as_bad_where (fixp->fx_file, fixp->fx_line, |
| 3905 | _("Relocation %d is not supported by object file format."), |
| 3906 | (int) fixp->fx_r_type); |
| 3907 | return NULL; |
| 3908 | } |
| 3909 | |
| 3910 | if (0 == (section->flags & SEC_CODE)) |
| 3911 | reloc->addend = fixp->fx_offset; |
| 3912 | else |
| 3913 | reloc->addend = fixp->fx_addnumber; |
| 3914 | |
| 3915 | return reloc; |
| 3916 | } |
| 3917 | |
| 3918 | /* See whether we need to force a relocation into the output file. */ |
| 3919 | int |
| 3920 | tc_s12z_force_relocation (fixS *fixP) |
| 3921 | { |
| 3922 | return generic_force_reloc (fixP); |
| 3923 | } |
| 3924 | |
| 3925 | /* Here we decide which fixups can be adjusted to make them relative |
| 3926 | to the beginning of the section instead of the symbol. Basically |
| 3927 | we need to make sure that the linker relaxation is done |
| 3928 | correctly, so in some cases we force the original symbol to be |
| 3929 | used. */ |
| 3930 | bfd_boolean |
| 3931 | tc_s12z_fix_adjustable (fixS *fixP ATTRIBUTE_UNUSED) |
| 3932 | { |
| 3933 | return true; |
| 3934 | } |
| 3935 | |
| 3936 | void |
| 3937 | md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED) |
| 3938 | { |
| 3939 | long value = *valP; |
| 3940 | |
| 3941 | if (fixP->fx_addsy == (symbolS *) NULL) |
| 3942 | fixP->fx_done = 1; |
| 3943 | |
| 3944 | /* We don't actually support subtracting a symbol. */ |
| 3945 | if (fixP->fx_subsy != (symbolS *) NULL) |
| 3946 | as_bad_where (fixP->fx_file, fixP->fx_line, _("Expression too complex.")); |
| 3947 | |
| 3948 | /* |
| 3949 | Patch the instruction with the resolved operand. Elf relocation |
| 3950 | info will also be generated to take care of linker/loader fixups. |
| 3951 | */ |
| 3952 | char *where = fixP->fx_frag->fr_literal + fixP->fx_where; |
| 3953 | |
| 3954 | switch (fixP->fx_r_type) |
| 3955 | { |
| 3956 | case BFD_RELOC_8: |
| 3957 | ((bfd_byte *) where)[0] = (bfd_byte) value; |
| 3958 | break; |
| 3959 | case BFD_RELOC_16: |
| 3960 | bfd_putb16 ((bfd_vma) value, (unsigned char *) where); |
| 3961 | break; |
| 3962 | case BFD_RELOC_24: |
| 3963 | bfd_putb24 ((bfd_vma) value, (unsigned char *) where); |
| 3964 | break; |
| 3965 | case BFD_RELOC_S12Z_OPR: |
| 3966 | { |
| 3967 | switch (fixP->fx_size) |
| 3968 | { |
| 3969 | case 3: |
| 3970 | bfd_putb24 ((bfd_vma) value, (unsigned char *) where); |
| 3971 | break; |
| 3972 | case 2: |
| 3973 | bfd_putb16 ((bfd_vma) value, (unsigned char *) where); |
| 3974 | break; |
| 3975 | default: |
| 3976 | abort (); |
| 3977 | } |
| 3978 | } |
| 3979 | break; |
| 3980 | case BFD_RELOC_32: |
| 3981 | bfd_putb32 ((bfd_vma) value, (unsigned char *) where); |
| 3982 | break; |
| 3983 | case BFD_RELOC_16_PCREL: |
| 3984 | if (value < -0x4000 || value > 0x3FFF) |
| 3985 | as_bad_where (fixP->fx_file, fixP->fx_line, |
| 3986 | _("Value out of 16-bit range.")); |
| 3987 | |
| 3988 | bfd_putb16 ((bfd_vma) value | 0x8000, (unsigned char *) where); |
| 3989 | break; |
| 3990 | |
| 3991 | default: |
| 3992 | as_fatal (_("Line %d: unknown relocation type: 0x%x."), |
| 3993 | fixP->fx_line, fixP->fx_r_type); |
| 3994 | } |
| 3995 | } |
| 3996 | |
| 3997 | /* Set the ELF specific flags. */ |
| 3998 | void |
| 3999 | s12z_elf_final_processing (void) |
| 4000 | { |
| 4001 | } |