| 1 | /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */ |
| 2 | /* Instruction building/extraction support for lm32. -*- C -*- |
| 3 | |
| 4 | THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. |
| 5 | - the resultant file is machine generated, cgen-ibld.in isn't |
| 6 | |
| 7 | Copyright (C) 1996-2019 Free Software Foundation, Inc. |
| 8 | |
| 9 | This file is part of libopcodes. |
| 10 | |
| 11 | This library is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 3, or (at your option) |
| 14 | any later version. |
| 15 | |
| 16 | It is distributed in the hope that it will be useful, but WITHOUT |
| 17 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 18 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 19 | License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; if not, write to the Free Software Foundation, Inc., |
| 23 | 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 24 | |
| 25 | /* ??? Eventually more and more of this stuff can go to cpu-independent files. |
| 26 | Keep that in mind. */ |
| 27 | |
| 28 | #include "sysdep.h" |
| 29 | #include <stdio.h> |
| 30 | #include "ansidecl.h" |
| 31 | #include "dis-asm.h" |
| 32 | #include "bfd.h" |
| 33 | #include "symcat.h" |
| 34 | #include "lm32-desc.h" |
| 35 | #include "lm32-opc.h" |
| 36 | #include "cgen/basic-modes.h" |
| 37 | #include "opintl.h" |
| 38 | #include "safe-ctype.h" |
| 39 | |
| 40 | #undef min |
| 41 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
| 42 | #undef max |
| 43 | #define max(a,b) ((a) > (b) ? (a) : (b)) |
| 44 | |
| 45 | /* Used by the ifield rtx function. */ |
| 46 | #define FLD(f) (fields->f) |
| 47 | |
| 48 | static const char * insert_normal |
| 49 | (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int, |
| 50 | unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR); |
| 51 | static const char * insert_insn_normal |
| 52 | (CGEN_CPU_DESC, const CGEN_INSN *, |
| 53 | CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); |
| 54 | static int extract_normal |
| 55 | (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, |
| 56 | unsigned int, unsigned int, unsigned int, unsigned int, |
| 57 | unsigned int, unsigned int, bfd_vma, long *); |
| 58 | static int extract_insn_normal |
| 59 | (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *, |
| 60 | CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma); |
| 61 | #if CGEN_INT_INSN_P |
| 62 | static void put_insn_int_value |
| 63 | (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT); |
| 64 | #endif |
| 65 | #if ! CGEN_INT_INSN_P |
| 66 | static CGEN_INLINE void insert_1 |
| 67 | (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *); |
| 68 | static CGEN_INLINE int fill_cache |
| 69 | (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma); |
| 70 | static CGEN_INLINE long extract_1 |
| 71 | (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma); |
| 72 | #endif |
| 73 | \f |
| 74 | /* Operand insertion. */ |
| 75 | |
| 76 | #if ! CGEN_INT_INSN_P |
| 77 | |
| 78 | /* Subroutine of insert_normal. */ |
| 79 | |
| 80 | static CGEN_INLINE void |
| 81 | insert_1 (CGEN_CPU_DESC cd, |
| 82 | unsigned long value, |
| 83 | int start, |
| 84 | int length, |
| 85 | int word_length, |
| 86 | unsigned char *bufp) |
| 87 | { |
| 88 | unsigned long x,mask; |
| 89 | int shift; |
| 90 | |
| 91 | x = cgen_get_insn_value (cd, bufp, word_length); |
| 92 | |
| 93 | /* Written this way to avoid undefined behaviour. */ |
| 94 | mask = (((1L << (length - 1)) - 1) << 1) | 1; |
| 95 | if (CGEN_INSN_LSB0_P) |
| 96 | shift = (start + 1) - length; |
| 97 | else |
| 98 | shift = (word_length - (start + length)); |
| 99 | x = (x & ~(mask << shift)) | ((value & mask) << shift); |
| 100 | |
| 101 | cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x); |
| 102 | } |
| 103 | |
| 104 | #endif /* ! CGEN_INT_INSN_P */ |
| 105 | |
| 106 | /* Default insertion routine. |
| 107 | |
| 108 | ATTRS is a mask of the boolean attributes. |
| 109 | WORD_OFFSET is the offset in bits from the start of the insn of the value. |
| 110 | WORD_LENGTH is the length of the word in bits in which the value resides. |
| 111 | START is the starting bit number in the word, architecture origin. |
| 112 | LENGTH is the length of VALUE in bits. |
| 113 | TOTAL_LENGTH is the total length of the insn in bits. |
| 114 | |
| 115 | The result is an error message or NULL if success. */ |
| 116 | |
| 117 | /* ??? This duplicates functionality with bfd's howto table and |
| 118 | bfd_install_relocation. */ |
| 119 | /* ??? This doesn't handle bfd_vma's. Create another function when |
| 120 | necessary. */ |
| 121 | |
| 122 | static const char * |
| 123 | insert_normal (CGEN_CPU_DESC cd, |
| 124 | long value, |
| 125 | unsigned int attrs, |
| 126 | unsigned int word_offset, |
| 127 | unsigned int start, |
| 128 | unsigned int length, |
| 129 | unsigned int word_length, |
| 130 | unsigned int total_length, |
| 131 | CGEN_INSN_BYTES_PTR buffer) |
| 132 | { |
| 133 | static char errbuf[100]; |
| 134 | /* Written this way to avoid undefined behaviour. */ |
| 135 | unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1; |
| 136 | |
| 137 | /* If LENGTH is zero, this operand doesn't contribute to the value. */ |
| 138 | if (length == 0) |
| 139 | return NULL; |
| 140 | |
| 141 | if (word_length > 8 * sizeof (CGEN_INSN_INT)) |
| 142 | abort (); |
| 143 | |
| 144 | /* For architectures with insns smaller than the base-insn-bitsize, |
| 145 | word_length may be too big. */ |
| 146 | if (cd->min_insn_bitsize < cd->base_insn_bitsize) |
| 147 | { |
| 148 | if (word_offset == 0 |
| 149 | && word_length > total_length) |
| 150 | word_length = total_length; |
| 151 | } |
| 152 | |
| 153 | /* Ensure VALUE will fit. */ |
| 154 | if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT)) |
| 155 | { |
| 156 | long minval = - (1L << (length - 1)); |
| 157 | unsigned long maxval = mask; |
| 158 | |
| 159 | if ((value > 0 && (unsigned long) value > maxval) |
| 160 | || value < minval) |
| 161 | { |
| 162 | /* xgettext:c-format */ |
| 163 | sprintf (errbuf, |
| 164 | _("operand out of range (%ld not between %ld and %lu)"), |
| 165 | value, minval, maxval); |
| 166 | return errbuf; |
| 167 | } |
| 168 | } |
| 169 | else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) |
| 170 | { |
| 171 | unsigned long maxval = mask; |
| 172 | unsigned long val = (unsigned long) value; |
| 173 | |
| 174 | /* For hosts with a word size > 32 check to see if value has been sign |
| 175 | extended beyond 32 bits. If so then ignore these higher sign bits |
| 176 | as the user is attempting to store a 32-bit signed value into an |
| 177 | unsigned 32-bit field which is allowed. */ |
| 178 | if (sizeof (unsigned long) > 4 && ((value >> 32) == -1)) |
| 179 | val &= 0xFFFFFFFF; |
| 180 | |
| 181 | if (val > maxval) |
| 182 | { |
| 183 | /* xgettext:c-format */ |
| 184 | sprintf (errbuf, |
| 185 | _("operand out of range (0x%lx not between 0 and 0x%lx)"), |
| 186 | val, maxval); |
| 187 | return errbuf; |
| 188 | } |
| 189 | } |
| 190 | else |
| 191 | { |
| 192 | if (! cgen_signed_overflow_ok_p (cd)) |
| 193 | { |
| 194 | long minval = - (1L << (length - 1)); |
| 195 | long maxval = (1L << (length - 1)) - 1; |
| 196 | |
| 197 | if (value < minval || value > maxval) |
| 198 | { |
| 199 | sprintf |
| 200 | /* xgettext:c-format */ |
| 201 | (errbuf, _("operand out of range (%ld not between %ld and %ld)"), |
| 202 | value, minval, maxval); |
| 203 | return errbuf; |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | #if CGEN_INT_INSN_P |
| 209 | |
| 210 | { |
| 211 | int shift_within_word, shift_to_word, shift; |
| 212 | |
| 213 | /* How to shift the value to BIT0 of the word. */ |
| 214 | shift_to_word = total_length - (word_offset + word_length); |
| 215 | |
| 216 | /* How to shift the value to the field within the word. */ |
| 217 | if (CGEN_INSN_LSB0_P) |
| 218 | shift_within_word = start + 1 - length; |
| 219 | else |
| 220 | shift_within_word = word_length - start - length; |
| 221 | |
| 222 | /* The total SHIFT, then mask in the value. */ |
| 223 | shift = shift_to_word + shift_within_word; |
| 224 | *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); |
| 225 | } |
| 226 | |
| 227 | #else /* ! CGEN_INT_INSN_P */ |
| 228 | |
| 229 | { |
| 230 | unsigned char *bufp = (unsigned char *) buffer + word_offset / 8; |
| 231 | |
| 232 | insert_1 (cd, value, start, length, word_length, bufp); |
| 233 | } |
| 234 | |
| 235 | #endif /* ! CGEN_INT_INSN_P */ |
| 236 | |
| 237 | return NULL; |
| 238 | } |
| 239 | |
| 240 | /* Default insn builder (insert handler). |
| 241 | The instruction is recorded in CGEN_INT_INSN_P byte order (meaning |
| 242 | that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is |
| 243 | recorded in host byte order, otherwise BUFFER is an array of bytes |
| 244 | and the value is recorded in target byte order). |
| 245 | The result is an error message or NULL if success. */ |
| 246 | |
| 247 | static const char * |
| 248 | insert_insn_normal (CGEN_CPU_DESC cd, |
| 249 | const CGEN_INSN * insn, |
| 250 | CGEN_FIELDS * fields, |
| 251 | CGEN_INSN_BYTES_PTR buffer, |
| 252 | bfd_vma pc) |
| 253 | { |
| 254 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); |
| 255 | unsigned long value; |
| 256 | const CGEN_SYNTAX_CHAR_TYPE * syn; |
| 257 | |
| 258 | CGEN_INIT_INSERT (cd); |
| 259 | value = CGEN_INSN_BASE_VALUE (insn); |
| 260 | |
| 261 | /* If we're recording insns as numbers (rather than a string of bytes), |
| 262 | target byte order handling is deferred until later. */ |
| 263 | |
| 264 | #if CGEN_INT_INSN_P |
| 265 | |
| 266 | put_insn_int_value (cd, buffer, cd->base_insn_bitsize, |
| 267 | CGEN_FIELDS_BITSIZE (fields), value); |
| 268 | |
| 269 | #else |
| 270 | |
| 271 | cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize, |
| 272 | (unsigned) CGEN_FIELDS_BITSIZE (fields)), |
| 273 | value); |
| 274 | |
| 275 | #endif /* ! CGEN_INT_INSN_P */ |
| 276 | |
| 277 | /* ??? It would be better to scan the format's fields. |
| 278 | Still need to be able to insert a value based on the operand though; |
| 279 | e.g. storing a branch displacement that got resolved later. |
| 280 | Needs more thought first. */ |
| 281 | |
| 282 | for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn) |
| 283 | { |
| 284 | const char *errmsg; |
| 285 | |
| 286 | if (CGEN_SYNTAX_CHAR_P (* syn)) |
| 287 | continue; |
| 288 | |
| 289 | errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn), |
| 290 | fields, buffer, pc); |
| 291 | if (errmsg) |
| 292 | return errmsg; |
| 293 | } |
| 294 | |
| 295 | return NULL; |
| 296 | } |
| 297 | |
| 298 | #if CGEN_INT_INSN_P |
| 299 | /* Cover function to store an insn value into an integral insn. Must go here |
| 300 | because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */ |
| 301 | |
| 302 | static void |
| 303 | put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, |
| 304 | CGEN_INSN_BYTES_PTR buf, |
| 305 | int length, |
| 306 | int insn_length, |
| 307 | CGEN_INSN_INT value) |
| 308 | { |
| 309 | /* For architectures with insns smaller than the base-insn-bitsize, |
| 310 | length may be too big. */ |
| 311 | if (length > insn_length) |
| 312 | *buf = value; |
| 313 | else |
| 314 | { |
| 315 | int shift = insn_length - length; |
| 316 | /* Written this way to avoid undefined behaviour. */ |
| 317 | CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1; |
| 318 | |
| 319 | *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift); |
| 320 | } |
| 321 | } |
| 322 | #endif |
| 323 | \f |
| 324 | /* Operand extraction. */ |
| 325 | |
| 326 | #if ! CGEN_INT_INSN_P |
| 327 | |
| 328 | /* Subroutine of extract_normal. |
| 329 | Ensure sufficient bytes are cached in EX_INFO. |
| 330 | OFFSET is the offset in bytes from the start of the insn of the value. |
| 331 | BYTES is the length of the needed value. |
| 332 | Returns 1 for success, 0 for failure. */ |
| 333 | |
| 334 | static CGEN_INLINE int |
| 335 | fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, |
| 336 | CGEN_EXTRACT_INFO *ex_info, |
| 337 | int offset, |
| 338 | int bytes, |
| 339 | bfd_vma pc) |
| 340 | { |
| 341 | /* It's doubtful that the middle part has already been fetched so |
| 342 | we don't optimize that case. kiss. */ |
| 343 | unsigned int mask; |
| 344 | disassemble_info *info = (disassemble_info *) ex_info->dis_info; |
| 345 | |
| 346 | /* First do a quick check. */ |
| 347 | mask = (1 << bytes) - 1; |
| 348 | if (((ex_info->valid >> offset) & mask) == mask) |
| 349 | return 1; |
| 350 | |
| 351 | /* Search for the first byte we need to read. */ |
| 352 | for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1) |
| 353 | if (! (mask & ex_info->valid)) |
| 354 | break; |
| 355 | |
| 356 | if (bytes) |
| 357 | { |
| 358 | int status; |
| 359 | |
| 360 | pc += offset; |
| 361 | status = (*info->read_memory_func) |
| 362 | (pc, ex_info->insn_bytes + offset, bytes, info); |
| 363 | |
| 364 | if (status != 0) |
| 365 | { |
| 366 | (*info->memory_error_func) (status, pc, info); |
| 367 | return 0; |
| 368 | } |
| 369 | |
| 370 | ex_info->valid |= ((1 << bytes) - 1) << offset; |
| 371 | } |
| 372 | |
| 373 | return 1; |
| 374 | } |
| 375 | |
| 376 | /* Subroutine of extract_normal. */ |
| 377 | |
| 378 | static CGEN_INLINE long |
| 379 | extract_1 (CGEN_CPU_DESC cd, |
| 380 | CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED, |
| 381 | int start, |
| 382 | int length, |
| 383 | int word_length, |
| 384 | unsigned char *bufp, |
| 385 | bfd_vma pc ATTRIBUTE_UNUSED) |
| 386 | { |
| 387 | unsigned long x; |
| 388 | int shift; |
| 389 | |
| 390 | x = cgen_get_insn_value (cd, bufp, word_length); |
| 391 | |
| 392 | if (CGEN_INSN_LSB0_P) |
| 393 | shift = (start + 1) - length; |
| 394 | else |
| 395 | shift = (word_length - (start + length)); |
| 396 | return x >> shift; |
| 397 | } |
| 398 | |
| 399 | #endif /* ! CGEN_INT_INSN_P */ |
| 400 | |
| 401 | /* Default extraction routine. |
| 402 | |
| 403 | INSN_VALUE is the first base_insn_bitsize bits of the insn in host order, |
| 404 | or sometimes less for cases like the m32r where the base insn size is 32 |
| 405 | but some insns are 16 bits. |
| 406 | ATTRS is a mask of the boolean attributes. We only need `SIGNED', |
| 407 | but for generality we take a bitmask of all of them. |
| 408 | WORD_OFFSET is the offset in bits from the start of the insn of the value. |
| 409 | WORD_LENGTH is the length of the word in bits in which the value resides. |
| 410 | START is the starting bit number in the word, architecture origin. |
| 411 | LENGTH is the length of VALUE in bits. |
| 412 | TOTAL_LENGTH is the total length of the insn in bits. |
| 413 | |
| 414 | Returns 1 for success, 0 for failure. */ |
| 415 | |
| 416 | /* ??? The return code isn't properly used. wip. */ |
| 417 | |
| 418 | /* ??? This doesn't handle bfd_vma's. Create another function when |
| 419 | necessary. */ |
| 420 | |
| 421 | static int |
| 422 | extract_normal (CGEN_CPU_DESC cd, |
| 423 | #if ! CGEN_INT_INSN_P |
| 424 | CGEN_EXTRACT_INFO *ex_info, |
| 425 | #else |
| 426 | CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED, |
| 427 | #endif |
| 428 | CGEN_INSN_INT insn_value, |
| 429 | unsigned int attrs, |
| 430 | unsigned int word_offset, |
| 431 | unsigned int start, |
| 432 | unsigned int length, |
| 433 | unsigned int word_length, |
| 434 | unsigned int total_length, |
| 435 | #if ! CGEN_INT_INSN_P |
| 436 | bfd_vma pc, |
| 437 | #else |
| 438 | bfd_vma pc ATTRIBUTE_UNUSED, |
| 439 | #endif |
| 440 | long *valuep) |
| 441 | { |
| 442 | long value, mask; |
| 443 | |
| 444 | /* If LENGTH is zero, this operand doesn't contribute to the value |
| 445 | so give it a standard value of zero. */ |
| 446 | if (length == 0) |
| 447 | { |
| 448 | *valuep = 0; |
| 449 | return 1; |
| 450 | } |
| 451 | |
| 452 | if (word_length > 8 * sizeof (CGEN_INSN_INT)) |
| 453 | abort (); |
| 454 | |
| 455 | /* For architectures with insns smaller than the insn-base-bitsize, |
| 456 | word_length may be too big. */ |
| 457 | if (cd->min_insn_bitsize < cd->base_insn_bitsize) |
| 458 | { |
| 459 | if (word_offset + word_length > total_length) |
| 460 | word_length = total_length - word_offset; |
| 461 | } |
| 462 | |
| 463 | /* Does the value reside in INSN_VALUE, and at the right alignment? */ |
| 464 | |
| 465 | if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length)) |
| 466 | { |
| 467 | if (CGEN_INSN_LSB0_P) |
| 468 | value = insn_value >> ((word_offset + start + 1) - length); |
| 469 | else |
| 470 | value = insn_value >> (total_length - ( word_offset + start + length)); |
| 471 | } |
| 472 | |
| 473 | #if ! CGEN_INT_INSN_P |
| 474 | |
| 475 | else |
| 476 | { |
| 477 | unsigned char *bufp = ex_info->insn_bytes + word_offset / 8; |
| 478 | |
| 479 | if (word_length > 8 * sizeof (CGEN_INSN_INT)) |
| 480 | abort (); |
| 481 | |
| 482 | if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0) |
| 483 | return 0; |
| 484 | |
| 485 | value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc); |
| 486 | } |
| 487 | |
| 488 | #endif /* ! CGEN_INT_INSN_P */ |
| 489 | |
| 490 | /* Written this way to avoid undefined behaviour. */ |
| 491 | mask = (((1L << (length - 1)) - 1) << 1) | 1; |
| 492 | |
| 493 | value &= mask; |
| 494 | /* sign extend? */ |
| 495 | if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED) |
| 496 | && (value & (1L << (length - 1)))) |
| 497 | value |= ~mask; |
| 498 | |
| 499 | *valuep = value; |
| 500 | |
| 501 | return 1; |
| 502 | } |
| 503 | |
| 504 | /* Default insn extractor. |
| 505 | |
| 506 | INSN_VALUE is the first base_insn_bitsize bits, translated to host order. |
| 507 | The extracted fields are stored in FIELDS. |
| 508 | EX_INFO is used to handle reading variable length insns. |
| 509 | Return the length of the insn in bits, or 0 if no match, |
| 510 | or -1 if an error occurs fetching data (memory_error_func will have |
| 511 | been called). */ |
| 512 | |
| 513 | static int |
| 514 | extract_insn_normal (CGEN_CPU_DESC cd, |
| 515 | const CGEN_INSN *insn, |
| 516 | CGEN_EXTRACT_INFO *ex_info, |
| 517 | CGEN_INSN_INT insn_value, |
| 518 | CGEN_FIELDS *fields, |
| 519 | bfd_vma pc) |
| 520 | { |
| 521 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); |
| 522 | const CGEN_SYNTAX_CHAR_TYPE *syn; |
| 523 | |
| 524 | CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); |
| 525 | |
| 526 | CGEN_INIT_EXTRACT (cd); |
| 527 | |
| 528 | for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn) |
| 529 | { |
| 530 | int length; |
| 531 | |
| 532 | if (CGEN_SYNTAX_CHAR_P (*syn)) |
| 533 | continue; |
| 534 | |
| 535 | length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn), |
| 536 | ex_info, insn_value, fields, pc); |
| 537 | if (length <= 0) |
| 538 | return length; |
| 539 | } |
| 540 | |
| 541 | /* We recognized and successfully extracted this insn. */ |
| 542 | return CGEN_INSN_BITSIZE (insn); |
| 543 | } |
| 544 | \f |
| 545 | /* Machine generated code added here. */ |
| 546 | |
| 547 | const char * lm32_cgen_insert_operand |
| 548 | (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); |
| 549 | |
| 550 | /* Main entry point for operand insertion. |
| 551 | |
| 552 | This function is basically just a big switch statement. Earlier versions |
| 553 | used tables to look up the function to use, but |
| 554 | - if the table contains both assembler and disassembler functions then |
| 555 | the disassembler contains much of the assembler and vice-versa, |
| 556 | - there's a lot of inlining possibilities as things grow, |
| 557 | - using a switch statement avoids the function call overhead. |
| 558 | |
| 559 | This function could be moved into `parse_insn_normal', but keeping it |
| 560 | separate makes clear the interface between `parse_insn_normal' and each of |
| 561 | the handlers. It's also needed by GAS to insert operands that couldn't be |
| 562 | resolved during parsing. */ |
| 563 | |
| 564 | const char * |
| 565 | lm32_cgen_insert_operand (CGEN_CPU_DESC cd, |
| 566 | int opindex, |
| 567 | CGEN_FIELDS * fields, |
| 568 | CGEN_INSN_BYTES_PTR buffer, |
| 569 | bfd_vma pc ATTRIBUTE_UNUSED) |
| 570 | { |
| 571 | const char * errmsg = NULL; |
| 572 | unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); |
| 573 | |
| 574 | switch (opindex) |
| 575 | { |
| 576 | case LM32_OPERAND_BRANCH : |
| 577 | { |
| 578 | long value = fields->f_branch; |
| 579 | value = ((SI) (((value) - (pc))) >> (2)); |
| 580 | errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer); |
| 581 | } |
| 582 | break; |
| 583 | case LM32_OPERAND_CALL : |
| 584 | { |
| 585 | long value = fields->f_call; |
| 586 | value = ((SI) (((value) - (pc))) >> (2)); |
| 587 | errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, buffer); |
| 588 | } |
| 589 | break; |
| 590 | case LM32_OPERAND_CSR : |
| 591 | errmsg = insert_normal (cd, fields->f_csr, 0, 0, 25, 5, 32, total_length, buffer); |
| 592 | break; |
| 593 | case LM32_OPERAND_EXCEPTION : |
| 594 | errmsg = insert_normal (cd, fields->f_exception, 0, 0, 25, 26, 32, total_length, buffer); |
| 595 | break; |
| 596 | case LM32_OPERAND_GOT16 : |
| 597 | errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer); |
| 598 | break; |
| 599 | case LM32_OPERAND_GOTOFFHI16 : |
| 600 | errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer); |
| 601 | break; |
| 602 | case LM32_OPERAND_GOTOFFLO16 : |
| 603 | errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer); |
| 604 | break; |
| 605 | case LM32_OPERAND_GP16 : |
| 606 | errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer); |
| 607 | break; |
| 608 | case LM32_OPERAND_HI16 : |
| 609 | errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer); |
| 610 | break; |
| 611 | case LM32_OPERAND_IMM : |
| 612 | errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer); |
| 613 | break; |
| 614 | case LM32_OPERAND_LO16 : |
| 615 | errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer); |
| 616 | break; |
| 617 | case LM32_OPERAND_R0 : |
| 618 | errmsg = insert_normal (cd, fields->f_r0, 0, 0, 25, 5, 32, total_length, buffer); |
| 619 | break; |
| 620 | case LM32_OPERAND_R1 : |
| 621 | errmsg = insert_normal (cd, fields->f_r1, 0, 0, 20, 5, 32, total_length, buffer); |
| 622 | break; |
| 623 | case LM32_OPERAND_R2 : |
| 624 | errmsg = insert_normal (cd, fields->f_r2, 0, 0, 15, 5, 32, total_length, buffer); |
| 625 | break; |
| 626 | case LM32_OPERAND_SHIFT : |
| 627 | errmsg = insert_normal (cd, fields->f_shift, 0, 0, 4, 5, 32, total_length, buffer); |
| 628 | break; |
| 629 | case LM32_OPERAND_UIMM : |
| 630 | errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer); |
| 631 | break; |
| 632 | case LM32_OPERAND_USER : |
| 633 | errmsg = insert_normal (cd, fields->f_user, 0, 0, 10, 11, 32, total_length, buffer); |
| 634 | break; |
| 635 | |
| 636 | default : |
| 637 | /* xgettext:c-format */ |
| 638 | opcodes_error_handler |
| 639 | (_("internal error: unrecognized field %d while building insn"), |
| 640 | opindex); |
| 641 | abort (); |
| 642 | } |
| 643 | |
| 644 | return errmsg; |
| 645 | } |
| 646 | |
| 647 | int lm32_cgen_extract_operand |
| 648 | (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma); |
| 649 | |
| 650 | /* Main entry point for operand extraction. |
| 651 | The result is <= 0 for error, >0 for success. |
| 652 | ??? Actual values aren't well defined right now. |
| 653 | |
| 654 | This function is basically just a big switch statement. Earlier versions |
| 655 | used tables to look up the function to use, but |
| 656 | - if the table contains both assembler and disassembler functions then |
| 657 | the disassembler contains much of the assembler and vice-versa, |
| 658 | - there's a lot of inlining possibilities as things grow, |
| 659 | - using a switch statement avoids the function call overhead. |
| 660 | |
| 661 | This function could be moved into `print_insn_normal', but keeping it |
| 662 | separate makes clear the interface between `print_insn_normal' and each of |
| 663 | the handlers. */ |
| 664 | |
| 665 | int |
| 666 | lm32_cgen_extract_operand (CGEN_CPU_DESC cd, |
| 667 | int opindex, |
| 668 | CGEN_EXTRACT_INFO *ex_info, |
| 669 | CGEN_INSN_INT insn_value, |
| 670 | CGEN_FIELDS * fields, |
| 671 | bfd_vma pc) |
| 672 | { |
| 673 | /* Assume success (for those operands that are nops). */ |
| 674 | int length = 1; |
| 675 | unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); |
| 676 | |
| 677 | switch (opindex) |
| 678 | { |
| 679 | case LM32_OPERAND_BRANCH : |
| 680 | { |
| 681 | long value; |
| 682 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, pc, & value); |
| 683 | value = ((pc) + (((SI) (((value) << (16))) >> (14)))); |
| 684 | fields->f_branch = value; |
| 685 | } |
| 686 | break; |
| 687 | case LM32_OPERAND_CALL : |
| 688 | { |
| 689 | long value; |
| 690 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, pc, & value); |
| 691 | value = ((pc) + (((SI) (((value) << (6))) >> (4)))); |
| 692 | fields->f_call = value; |
| 693 | } |
| 694 | break; |
| 695 | case LM32_OPERAND_CSR : |
| 696 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_csr); |
| 697 | break; |
| 698 | case LM32_OPERAND_EXCEPTION : |
| 699 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 26, 32, total_length, pc, & fields->f_exception); |
| 700 | break; |
| 701 | case LM32_OPERAND_GOT16 : |
| 702 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm); |
| 703 | break; |
| 704 | case LM32_OPERAND_GOTOFFHI16 : |
| 705 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm); |
| 706 | break; |
| 707 | case LM32_OPERAND_GOTOFFLO16 : |
| 708 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm); |
| 709 | break; |
| 710 | case LM32_OPERAND_GP16 : |
| 711 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm); |
| 712 | break; |
| 713 | case LM32_OPERAND_HI16 : |
| 714 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm); |
| 715 | break; |
| 716 | case LM32_OPERAND_IMM : |
| 717 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm); |
| 718 | break; |
| 719 | case LM32_OPERAND_LO16 : |
| 720 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm); |
| 721 | break; |
| 722 | case LM32_OPERAND_R0 : |
| 723 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r0); |
| 724 | break; |
| 725 | case LM32_OPERAND_R1 : |
| 726 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r1); |
| 727 | break; |
| 728 | case LM32_OPERAND_R2 : |
| 729 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r2); |
| 730 | break; |
| 731 | case LM32_OPERAND_SHIFT : |
| 732 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_shift); |
| 733 | break; |
| 734 | case LM32_OPERAND_UIMM : |
| 735 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm); |
| 736 | break; |
| 737 | case LM32_OPERAND_USER : |
| 738 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_user); |
| 739 | break; |
| 740 | |
| 741 | default : |
| 742 | /* xgettext:c-format */ |
| 743 | opcodes_error_handler |
| 744 | (_("internal error: unrecognized field %d while decoding insn"), |
| 745 | opindex); |
| 746 | abort (); |
| 747 | } |
| 748 | |
| 749 | return length; |
| 750 | } |
| 751 | |
| 752 | cgen_insert_fn * const lm32_cgen_insert_handlers[] = |
| 753 | { |
| 754 | insert_insn_normal, |
| 755 | }; |
| 756 | |
| 757 | cgen_extract_fn * const lm32_cgen_extract_handlers[] = |
| 758 | { |
| 759 | extract_insn_normal, |
| 760 | }; |
| 761 | |
| 762 | int lm32_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); |
| 763 | bfd_vma lm32_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); |
| 764 | |
| 765 | /* Getting values from cgen_fields is handled by a collection of functions. |
| 766 | They are distinguished by the type of the VALUE argument they return. |
| 767 | TODO: floating point, inlining support, remove cases where result type |
| 768 | not appropriate. */ |
| 769 | |
| 770 | int |
| 771 | lm32_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, |
| 772 | int opindex, |
| 773 | const CGEN_FIELDS * fields) |
| 774 | { |
| 775 | int value; |
| 776 | |
| 777 | switch (opindex) |
| 778 | { |
| 779 | case LM32_OPERAND_BRANCH : |
| 780 | value = fields->f_branch; |
| 781 | break; |
| 782 | case LM32_OPERAND_CALL : |
| 783 | value = fields->f_call; |
| 784 | break; |
| 785 | case LM32_OPERAND_CSR : |
| 786 | value = fields->f_csr; |
| 787 | break; |
| 788 | case LM32_OPERAND_EXCEPTION : |
| 789 | value = fields->f_exception; |
| 790 | break; |
| 791 | case LM32_OPERAND_GOT16 : |
| 792 | value = fields->f_imm; |
| 793 | break; |
| 794 | case LM32_OPERAND_GOTOFFHI16 : |
| 795 | value = fields->f_imm; |
| 796 | break; |
| 797 | case LM32_OPERAND_GOTOFFLO16 : |
| 798 | value = fields->f_imm; |
| 799 | break; |
| 800 | case LM32_OPERAND_GP16 : |
| 801 | value = fields->f_imm; |
| 802 | break; |
| 803 | case LM32_OPERAND_HI16 : |
| 804 | value = fields->f_uimm; |
| 805 | break; |
| 806 | case LM32_OPERAND_IMM : |
| 807 | value = fields->f_imm; |
| 808 | break; |
| 809 | case LM32_OPERAND_LO16 : |
| 810 | value = fields->f_uimm; |
| 811 | break; |
| 812 | case LM32_OPERAND_R0 : |
| 813 | value = fields->f_r0; |
| 814 | break; |
| 815 | case LM32_OPERAND_R1 : |
| 816 | value = fields->f_r1; |
| 817 | break; |
| 818 | case LM32_OPERAND_R2 : |
| 819 | value = fields->f_r2; |
| 820 | break; |
| 821 | case LM32_OPERAND_SHIFT : |
| 822 | value = fields->f_shift; |
| 823 | break; |
| 824 | case LM32_OPERAND_UIMM : |
| 825 | value = fields->f_uimm; |
| 826 | break; |
| 827 | case LM32_OPERAND_USER : |
| 828 | value = fields->f_user; |
| 829 | break; |
| 830 | |
| 831 | default : |
| 832 | /* xgettext:c-format */ |
| 833 | opcodes_error_handler |
| 834 | (_("internal error: unrecognized field %d while getting int operand"), |
| 835 | opindex); |
| 836 | abort (); |
| 837 | } |
| 838 | |
| 839 | return value; |
| 840 | } |
| 841 | |
| 842 | bfd_vma |
| 843 | lm32_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, |
| 844 | int opindex, |
| 845 | const CGEN_FIELDS * fields) |
| 846 | { |
| 847 | bfd_vma value; |
| 848 | |
| 849 | switch (opindex) |
| 850 | { |
| 851 | case LM32_OPERAND_BRANCH : |
| 852 | value = fields->f_branch; |
| 853 | break; |
| 854 | case LM32_OPERAND_CALL : |
| 855 | value = fields->f_call; |
| 856 | break; |
| 857 | case LM32_OPERAND_CSR : |
| 858 | value = fields->f_csr; |
| 859 | break; |
| 860 | case LM32_OPERAND_EXCEPTION : |
| 861 | value = fields->f_exception; |
| 862 | break; |
| 863 | case LM32_OPERAND_GOT16 : |
| 864 | value = fields->f_imm; |
| 865 | break; |
| 866 | case LM32_OPERAND_GOTOFFHI16 : |
| 867 | value = fields->f_imm; |
| 868 | break; |
| 869 | case LM32_OPERAND_GOTOFFLO16 : |
| 870 | value = fields->f_imm; |
| 871 | break; |
| 872 | case LM32_OPERAND_GP16 : |
| 873 | value = fields->f_imm; |
| 874 | break; |
| 875 | case LM32_OPERAND_HI16 : |
| 876 | value = fields->f_uimm; |
| 877 | break; |
| 878 | case LM32_OPERAND_IMM : |
| 879 | value = fields->f_imm; |
| 880 | break; |
| 881 | case LM32_OPERAND_LO16 : |
| 882 | value = fields->f_uimm; |
| 883 | break; |
| 884 | case LM32_OPERAND_R0 : |
| 885 | value = fields->f_r0; |
| 886 | break; |
| 887 | case LM32_OPERAND_R1 : |
| 888 | value = fields->f_r1; |
| 889 | break; |
| 890 | case LM32_OPERAND_R2 : |
| 891 | value = fields->f_r2; |
| 892 | break; |
| 893 | case LM32_OPERAND_SHIFT : |
| 894 | value = fields->f_shift; |
| 895 | break; |
| 896 | case LM32_OPERAND_UIMM : |
| 897 | value = fields->f_uimm; |
| 898 | break; |
| 899 | case LM32_OPERAND_USER : |
| 900 | value = fields->f_user; |
| 901 | break; |
| 902 | |
| 903 | default : |
| 904 | /* xgettext:c-format */ |
| 905 | opcodes_error_handler |
| 906 | (_("internal error: unrecognized field %d while getting vma operand"), |
| 907 | opindex); |
| 908 | abort (); |
| 909 | } |
| 910 | |
| 911 | return value; |
| 912 | } |
| 913 | |
| 914 | void lm32_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int); |
| 915 | void lm32_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma); |
| 916 | |
| 917 | /* Stuffing values in cgen_fields is handled by a collection of functions. |
| 918 | They are distinguished by the type of the VALUE argument they accept. |
| 919 | TODO: floating point, inlining support, remove cases where argument type |
| 920 | not appropriate. */ |
| 921 | |
| 922 | void |
| 923 | lm32_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, |
| 924 | int opindex, |
| 925 | CGEN_FIELDS * fields, |
| 926 | int value) |
| 927 | { |
| 928 | switch (opindex) |
| 929 | { |
| 930 | case LM32_OPERAND_BRANCH : |
| 931 | fields->f_branch = value; |
| 932 | break; |
| 933 | case LM32_OPERAND_CALL : |
| 934 | fields->f_call = value; |
| 935 | break; |
| 936 | case LM32_OPERAND_CSR : |
| 937 | fields->f_csr = value; |
| 938 | break; |
| 939 | case LM32_OPERAND_EXCEPTION : |
| 940 | fields->f_exception = value; |
| 941 | break; |
| 942 | case LM32_OPERAND_GOT16 : |
| 943 | fields->f_imm = value; |
| 944 | break; |
| 945 | case LM32_OPERAND_GOTOFFHI16 : |
| 946 | fields->f_imm = value; |
| 947 | break; |
| 948 | case LM32_OPERAND_GOTOFFLO16 : |
| 949 | fields->f_imm = value; |
| 950 | break; |
| 951 | case LM32_OPERAND_GP16 : |
| 952 | fields->f_imm = value; |
| 953 | break; |
| 954 | case LM32_OPERAND_HI16 : |
| 955 | fields->f_uimm = value; |
| 956 | break; |
| 957 | case LM32_OPERAND_IMM : |
| 958 | fields->f_imm = value; |
| 959 | break; |
| 960 | case LM32_OPERAND_LO16 : |
| 961 | fields->f_uimm = value; |
| 962 | break; |
| 963 | case LM32_OPERAND_R0 : |
| 964 | fields->f_r0 = value; |
| 965 | break; |
| 966 | case LM32_OPERAND_R1 : |
| 967 | fields->f_r1 = value; |
| 968 | break; |
| 969 | case LM32_OPERAND_R2 : |
| 970 | fields->f_r2 = value; |
| 971 | break; |
| 972 | case LM32_OPERAND_SHIFT : |
| 973 | fields->f_shift = value; |
| 974 | break; |
| 975 | case LM32_OPERAND_UIMM : |
| 976 | fields->f_uimm = value; |
| 977 | break; |
| 978 | case LM32_OPERAND_USER : |
| 979 | fields->f_user = value; |
| 980 | break; |
| 981 | |
| 982 | default : |
| 983 | /* xgettext:c-format */ |
| 984 | opcodes_error_handler |
| 985 | (_("internal error: unrecognized field %d while setting int operand"), |
| 986 | opindex); |
| 987 | abort (); |
| 988 | } |
| 989 | } |
| 990 | |
| 991 | void |
| 992 | lm32_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, |
| 993 | int opindex, |
| 994 | CGEN_FIELDS * fields, |
| 995 | bfd_vma value) |
| 996 | { |
| 997 | switch (opindex) |
| 998 | { |
| 999 | case LM32_OPERAND_BRANCH : |
| 1000 | fields->f_branch = value; |
| 1001 | break; |
| 1002 | case LM32_OPERAND_CALL : |
| 1003 | fields->f_call = value; |
| 1004 | break; |
| 1005 | case LM32_OPERAND_CSR : |
| 1006 | fields->f_csr = value; |
| 1007 | break; |
| 1008 | case LM32_OPERAND_EXCEPTION : |
| 1009 | fields->f_exception = value; |
| 1010 | break; |
| 1011 | case LM32_OPERAND_GOT16 : |
| 1012 | fields->f_imm = value; |
| 1013 | break; |
| 1014 | case LM32_OPERAND_GOTOFFHI16 : |
| 1015 | fields->f_imm = value; |
| 1016 | break; |
| 1017 | case LM32_OPERAND_GOTOFFLO16 : |
| 1018 | fields->f_imm = value; |
| 1019 | break; |
| 1020 | case LM32_OPERAND_GP16 : |
| 1021 | fields->f_imm = value; |
| 1022 | break; |
| 1023 | case LM32_OPERAND_HI16 : |
| 1024 | fields->f_uimm = value; |
| 1025 | break; |
| 1026 | case LM32_OPERAND_IMM : |
| 1027 | fields->f_imm = value; |
| 1028 | break; |
| 1029 | case LM32_OPERAND_LO16 : |
| 1030 | fields->f_uimm = value; |
| 1031 | break; |
| 1032 | case LM32_OPERAND_R0 : |
| 1033 | fields->f_r0 = value; |
| 1034 | break; |
| 1035 | case LM32_OPERAND_R1 : |
| 1036 | fields->f_r1 = value; |
| 1037 | break; |
| 1038 | case LM32_OPERAND_R2 : |
| 1039 | fields->f_r2 = value; |
| 1040 | break; |
| 1041 | case LM32_OPERAND_SHIFT : |
| 1042 | fields->f_shift = value; |
| 1043 | break; |
| 1044 | case LM32_OPERAND_UIMM : |
| 1045 | fields->f_uimm = value; |
| 1046 | break; |
| 1047 | case LM32_OPERAND_USER : |
| 1048 | fields->f_user = value; |
| 1049 | break; |
| 1050 | |
| 1051 | default : |
| 1052 | /* xgettext:c-format */ |
| 1053 | opcodes_error_handler |
| 1054 | (_("internal error: unrecognized field %d while setting vma operand"), |
| 1055 | opindex); |
| 1056 | abort (); |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | /* Function to call before using the instruction builder tables. */ |
| 1061 | |
| 1062 | void |
| 1063 | lm32_cgen_init_ibld_table (CGEN_CPU_DESC cd) |
| 1064 | { |
| 1065 | cd->insert_handlers = & lm32_cgen_insert_handlers[0]; |
| 1066 | cd->extract_handlers = & lm32_cgen_extract_handlers[0]; |
| 1067 | |
| 1068 | cd->insert_operand = lm32_cgen_insert_operand; |
| 1069 | cd->extract_operand = lm32_cgen_extract_operand; |
| 1070 | |
| 1071 | cd->get_int_operand = lm32_cgen_get_int_operand; |
| 1072 | cd->set_int_operand = lm32_cgen_set_int_operand; |
| 1073 | cd->get_vma_operand = lm32_cgen_get_vma_operand; |
| 1074 | cd->set_vma_operand = lm32_cgen_set_vma_operand; |
| 1075 | } |