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47b1a55a SC |
1 | /* Instruction building/extraction support for iq2000. -*- C -*- |
2 | ||
3 | THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. | |
4 | - the resultant file is machine generated, cgen-ibld.in isn't | |
5 | ||
6 | Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. | |
7 | ||
8 | This file is part of the GNU Binutils and GDB, the GNU debugger. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2, or (at your option) | |
13 | any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software Foundation, Inc., | |
22 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
23 | ||
24 | /* ??? Eventually more and more of this stuff can go to cpu-independent files. | |
25 | Keep that in mind. */ | |
26 | ||
27 | #include "sysdep.h" | |
28 | #include <stdio.h> | |
29 | #include "ansidecl.h" | |
30 | #include "dis-asm.h" | |
31 | #include "bfd.h" | |
32 | #include "symcat.h" | |
33 | #include "iq2000-desc.h" | |
34 | #include "iq2000-opc.h" | |
35 | #include "opintl.h" | |
36 | #include "safe-ctype.h" | |
37 | ||
38 | #undef min | |
39 | #define min(a,b) ((a) < (b) ? (a) : (b)) | |
40 | #undef max | |
41 | #define max(a,b) ((a) > (b) ? (a) : (b)) | |
42 | ||
43 | /* Used by the ifield rtx function. */ | |
44 | #define FLD(f) (fields->f) | |
45 | ||
46 | static const char * insert_normal | |
47 | PARAMS ((CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int, | |
48 | unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR)); | |
49 | static const char * insert_insn_normal | |
50 | PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, | |
51 | CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); | |
52 | static int extract_normal | |
53 | PARAMS ((CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, | |
54 | unsigned int, unsigned int, unsigned int, unsigned int, | |
55 | unsigned int, unsigned int, bfd_vma, long *)); | |
56 | static int extract_insn_normal | |
57 | PARAMS ((CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *, | |
58 | CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma)); | |
59 | #if CGEN_INT_INSN_P | |
60 | static void put_insn_int_value | |
61 | PARAMS ((CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT)); | |
62 | #endif | |
63 | #if ! CGEN_INT_INSN_P | |
64 | static CGEN_INLINE void insert_1 | |
65 | PARAMS ((CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *)); | |
66 | static CGEN_INLINE int fill_cache | |
67 | PARAMS ((CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma)); | |
68 | static CGEN_INLINE long extract_1 | |
69 | PARAMS ((CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, | |
70 | unsigned char *, bfd_vma)); | |
71 | #endif | |
72 | \f | |
73 | /* Operand insertion. */ | |
74 | ||
75 | #if ! CGEN_INT_INSN_P | |
76 | ||
77 | /* Subroutine of insert_normal. */ | |
78 | ||
79 | static CGEN_INLINE void | |
80 | insert_1 (cd, value, start, length, word_length, bufp) | |
81 | CGEN_CPU_DESC cd; | |
82 | unsigned long value; | |
83 | int start,length,word_length; | |
84 | unsigned char *bufp; | |
85 | { | |
86 | unsigned long x,mask; | |
87 | int shift; | |
88 | ||
89 | x = cgen_get_insn_value (cd, bufp, word_length); | |
90 | ||
91 | /* Written this way to avoid undefined behaviour. */ | |
92 | mask = (((1L << (length - 1)) - 1) << 1) | 1; | |
93 | if (CGEN_INSN_LSB0_P) | |
94 | shift = (start + 1) - length; | |
95 | else | |
96 | shift = (word_length - (start + length)); | |
97 | x = (x & ~(mask << shift)) | ((value & mask) << shift); | |
98 | ||
99 | cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x); | |
100 | } | |
101 | ||
102 | #endif /* ! CGEN_INT_INSN_P */ | |
103 | ||
104 | /* Default insertion routine. | |
105 | ||
106 | ATTRS is a mask of the boolean attributes. | |
107 | WORD_OFFSET is the offset in bits from the start of the insn of the value. | |
108 | WORD_LENGTH is the length of the word in bits in which the value resides. | |
109 | START is the starting bit number in the word, architecture origin. | |
110 | LENGTH is the length of VALUE in bits. | |
111 | TOTAL_LENGTH is the total length of the insn in bits. | |
112 | ||
113 | The result is an error message or NULL if success. */ | |
114 | ||
115 | /* ??? This duplicates functionality with bfd's howto table and | |
116 | bfd_install_relocation. */ | |
117 | /* ??? This doesn't handle bfd_vma's. Create another function when | |
118 | necessary. */ | |
119 | ||
120 | static const char * | |
121 | insert_normal (cd, value, attrs, word_offset, start, length, word_length, | |
122 | total_length, buffer) | |
123 | CGEN_CPU_DESC cd; | |
124 | long value; | |
125 | unsigned int attrs; | |
126 | unsigned int word_offset, start, length, word_length, total_length; | |
127 | CGEN_INSN_BYTES_PTR buffer; | |
128 | { | |
129 | static char errbuf[100]; | |
130 | /* Written this way to avoid undefined behaviour. */ | |
131 | unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1; | |
132 | ||
133 | /* If LENGTH is zero, this operand doesn't contribute to the value. */ | |
134 | if (length == 0) | |
135 | return NULL; | |
136 | ||
137 | #if 0 | |
138 | if (CGEN_INT_INSN_P | |
139 | && word_offset != 0) | |
140 | abort (); | |
141 | #endif | |
142 | ||
143 | if (word_length > 32) | |
144 | abort (); | |
145 | ||
146 | /* For architectures with insns smaller than the base-insn-bitsize, | |
147 | word_length may be too big. */ | |
148 | if (cd->min_insn_bitsize < cd->base_insn_bitsize) | |
149 | { | |
150 | if (word_offset == 0 | |
151 | && word_length > total_length) | |
152 | word_length = total_length; | |
153 | } | |
154 | ||
155 | /* Ensure VALUE will fit. */ | |
156 | if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT)) | |
157 | { | |
158 | long minval = - (1L << (length - 1)); | |
159 | unsigned long maxval = mask; | |
160 | ||
161 | if ((value > 0 && (unsigned long) value > maxval) | |
162 | || value < minval) | |
163 | { | |
164 | /* xgettext:c-format */ | |
165 | sprintf (errbuf, | |
166 | _("operand out of range (%ld not between %ld and %lu)"), | |
167 | value, minval, maxval); | |
168 | return errbuf; | |
169 | } | |
170 | } | |
171 | else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) | |
172 | { | |
173 | unsigned long maxval = mask; | |
174 | ||
175 | if ((unsigned long) value > maxval) | |
176 | { | |
177 | /* xgettext:c-format */ | |
178 | sprintf (errbuf, | |
179 | _("operand out of range (%lu not between 0 and %lu)"), | |
180 | value, maxval); | |
181 | return errbuf; | |
182 | } | |
183 | } | |
184 | else | |
185 | { | |
186 | if (! cgen_signed_overflow_ok_p (cd)) | |
187 | { | |
188 | long minval = - (1L << (length - 1)); | |
189 | long maxval = (1L << (length - 1)) - 1; | |
190 | ||
191 | if (value < minval || value > maxval) | |
192 | { | |
193 | sprintf | |
194 | /* xgettext:c-format */ | |
195 | (errbuf, _("operand out of range (%ld not between %ld and %ld)"), | |
196 | value, minval, maxval); | |
197 | return errbuf; | |
198 | } | |
199 | } | |
200 | } | |
201 | ||
202 | #if CGEN_INT_INSN_P | |
203 | ||
204 | { | |
205 | int shift; | |
206 | ||
207 | if (CGEN_INSN_LSB0_P) | |
208 | shift = (word_offset + start + 1) - length; | |
209 | else | |
210 | shift = total_length - (word_offset + start + length); | |
211 | *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); | |
212 | } | |
213 | ||
214 | #else /* ! CGEN_INT_INSN_P */ | |
215 | ||
216 | { | |
217 | unsigned char *bufp = (unsigned char *) buffer + word_offset / 8; | |
218 | ||
219 | insert_1 (cd, value, start, length, word_length, bufp); | |
220 | } | |
221 | ||
222 | #endif /* ! CGEN_INT_INSN_P */ | |
223 | ||
224 | return NULL; | |
225 | } | |
226 | ||
227 | /* Default insn builder (insert handler). | |
228 | The instruction is recorded in CGEN_INT_INSN_P byte order (meaning | |
229 | that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is | |
230 | recorded in host byte order, otherwise BUFFER is an array of bytes | |
231 | and the value is recorded in target byte order). | |
232 | The result is an error message or NULL if success. */ | |
233 | ||
234 | static const char * | |
235 | insert_insn_normal (cd, insn, fields, buffer, pc) | |
236 | CGEN_CPU_DESC cd; | |
237 | const CGEN_INSN * insn; | |
238 | CGEN_FIELDS * fields; | |
239 | CGEN_INSN_BYTES_PTR buffer; | |
240 | bfd_vma pc; | |
241 | { | |
242 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); | |
243 | unsigned long value; | |
244 | const CGEN_SYNTAX_CHAR_TYPE * syn; | |
245 | ||
246 | CGEN_INIT_INSERT (cd); | |
247 | value = CGEN_INSN_BASE_VALUE (insn); | |
248 | ||
249 | /* If we're recording insns as numbers (rather than a string of bytes), | |
250 | target byte order handling is deferred until later. */ | |
251 | ||
252 | #if CGEN_INT_INSN_P | |
253 | ||
254 | put_insn_int_value (cd, buffer, cd->base_insn_bitsize, | |
255 | CGEN_FIELDS_BITSIZE (fields), value); | |
256 | ||
257 | #else | |
258 | ||
259 | cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize, | |
260 | (unsigned) CGEN_FIELDS_BITSIZE (fields)), | |
261 | value); | |
262 | ||
263 | #endif /* ! CGEN_INT_INSN_P */ | |
264 | ||
265 | /* ??? It would be better to scan the format's fields. | |
266 | Still need to be able to insert a value based on the operand though; | |
267 | e.g. storing a branch displacement that got resolved later. | |
268 | Needs more thought first. */ | |
269 | ||
270 | for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn) | |
271 | { | |
272 | const char *errmsg; | |
273 | ||
274 | if (CGEN_SYNTAX_CHAR_P (* syn)) | |
275 | continue; | |
276 | ||
277 | errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn), | |
278 | fields, buffer, pc); | |
279 | if (errmsg) | |
280 | return errmsg; | |
281 | } | |
282 | ||
283 | return NULL; | |
284 | } | |
285 | ||
286 | #if CGEN_INT_INSN_P | |
287 | /* Cover function to store an insn value into an integral insn. Must go here | |
288 | because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */ | |
289 | ||
290 | static void | |
291 | put_insn_int_value (cd, buf, length, insn_length, value) | |
292 | CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; | |
293 | CGEN_INSN_BYTES_PTR buf; | |
294 | int length; | |
295 | int insn_length; | |
296 | CGEN_INSN_INT value; | |
297 | { | |
298 | /* For architectures with insns smaller than the base-insn-bitsize, | |
299 | length may be too big. */ | |
300 | if (length > insn_length) | |
301 | *buf = value; | |
302 | else | |
303 | { | |
304 | int shift = insn_length - length; | |
305 | /* Written this way to avoid undefined behaviour. */ | |
306 | CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1; | |
307 | *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift); | |
308 | } | |
309 | } | |
310 | #endif | |
311 | \f | |
312 | /* Operand extraction. */ | |
313 | ||
314 | #if ! CGEN_INT_INSN_P | |
315 | ||
316 | /* Subroutine of extract_normal. | |
317 | Ensure sufficient bytes are cached in EX_INFO. | |
318 | OFFSET is the offset in bytes from the start of the insn of the value. | |
319 | BYTES is the length of the needed value. | |
320 | Returns 1 for success, 0 for failure. */ | |
321 | ||
322 | static CGEN_INLINE int | |
323 | fill_cache (cd, ex_info, offset, bytes, pc) | |
324 | CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; | |
325 | CGEN_EXTRACT_INFO *ex_info; | |
326 | int offset, bytes; | |
327 | bfd_vma pc; | |
328 | { | |
329 | /* It's doubtful that the middle part has already been fetched so | |
330 | we don't optimize that case. kiss. */ | |
331 | unsigned int mask; | |
332 | disassemble_info *info = (disassemble_info *) ex_info->dis_info; | |
333 | ||
334 | /* First do a quick check. */ | |
335 | mask = (1 << bytes) - 1; | |
336 | if (((ex_info->valid >> offset) & mask) == mask) | |
337 | return 1; | |
338 | ||
339 | /* Search for the first byte we need to read. */ | |
340 | for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1) | |
341 | if (! (mask & ex_info->valid)) | |
342 | break; | |
343 | ||
344 | if (bytes) | |
345 | { | |
346 | int status; | |
347 | ||
348 | pc += offset; | |
349 | status = (*info->read_memory_func) | |
350 | (pc, ex_info->insn_bytes + offset, bytes, info); | |
351 | ||
352 | if (status != 0) | |
353 | { | |
354 | (*info->memory_error_func) (status, pc, info); | |
355 | return 0; | |
356 | } | |
357 | ||
358 | ex_info->valid |= ((1 << bytes) - 1) << offset; | |
359 | } | |
360 | ||
361 | return 1; | |
362 | } | |
363 | ||
364 | /* Subroutine of extract_normal. */ | |
365 | ||
366 | static CGEN_INLINE long | |
367 | extract_1 (cd, ex_info, start, length, word_length, bufp, pc) | |
368 | CGEN_CPU_DESC cd; | |
369 | CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED; | |
370 | int start,length,word_length; | |
371 | unsigned char *bufp; | |
372 | bfd_vma pc ATTRIBUTE_UNUSED; | |
373 | { | |
374 | unsigned long x; | |
375 | int shift; | |
376 | #if 0 | |
377 | int big_p = CGEN_CPU_INSN_ENDIAN (cd) == CGEN_ENDIAN_BIG; | |
378 | #endif | |
379 | x = cgen_get_insn_value (cd, bufp, word_length); | |
380 | ||
381 | if (CGEN_INSN_LSB0_P) | |
382 | shift = (start + 1) - length; | |
383 | else | |
384 | shift = (word_length - (start + length)); | |
385 | return x >> shift; | |
386 | } | |
387 | ||
388 | #endif /* ! CGEN_INT_INSN_P */ | |
389 | ||
390 | /* Default extraction routine. | |
391 | ||
392 | INSN_VALUE is the first base_insn_bitsize bits of the insn in host order, | |
393 | or sometimes less for cases like the m32r where the base insn size is 32 | |
394 | but some insns are 16 bits. | |
395 | ATTRS is a mask of the boolean attributes. We only need `SIGNED', | |
396 | but for generality we take a bitmask of all of them. | |
397 | WORD_OFFSET is the offset in bits from the start of the insn of the value. | |
398 | WORD_LENGTH is the length of the word in bits in which the value resides. | |
399 | START is the starting bit number in the word, architecture origin. | |
400 | LENGTH is the length of VALUE in bits. | |
401 | TOTAL_LENGTH is the total length of the insn in bits. | |
402 | ||
403 | Returns 1 for success, 0 for failure. */ | |
404 | ||
405 | /* ??? The return code isn't properly used. wip. */ | |
406 | ||
407 | /* ??? This doesn't handle bfd_vma's. Create another function when | |
408 | necessary. */ | |
409 | ||
410 | static int | |
411 | extract_normal (cd, ex_info, insn_value, attrs, word_offset, start, length, | |
412 | word_length, total_length, pc, valuep) | |
413 | CGEN_CPU_DESC cd; | |
414 | #if ! CGEN_INT_INSN_P | |
415 | CGEN_EXTRACT_INFO *ex_info; | |
416 | #else | |
417 | CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED; | |
418 | #endif | |
419 | CGEN_INSN_INT insn_value; | |
420 | unsigned int attrs; | |
421 | unsigned int word_offset, start, length, word_length, total_length; | |
422 | #if ! CGEN_INT_INSN_P | |
423 | bfd_vma pc; | |
424 | #else | |
425 | bfd_vma pc ATTRIBUTE_UNUSED; | |
426 | #endif | |
427 | long *valuep; | |
428 | { | |
429 | long value, mask; | |
430 | ||
431 | /* If LENGTH is zero, this operand doesn't contribute to the value | |
432 | so give it a standard value of zero. */ | |
433 | if (length == 0) | |
434 | { | |
435 | *valuep = 0; | |
436 | return 1; | |
437 | } | |
438 | ||
439 | #if 0 | |
440 | if (CGEN_INT_INSN_P | |
441 | && word_offset != 0) | |
442 | abort (); | |
443 | #endif | |
444 | ||
445 | if (word_length > 32) | |
446 | abort (); | |
447 | ||
448 | /* For architectures with insns smaller than the insn-base-bitsize, | |
449 | word_length may be too big. */ | |
450 | if (cd->min_insn_bitsize < cd->base_insn_bitsize) | |
451 | { | |
452 | if (word_offset == 0 | |
453 | && word_length > total_length) | |
454 | word_length = total_length; | |
455 | } | |
456 | ||
457 | /* Does the value reside in INSN_VALUE, and at the right alignment? */ | |
458 | ||
459 | if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length)) | |
460 | { | |
461 | if (CGEN_INSN_LSB0_P) | |
462 | value = insn_value >> ((word_offset + start + 1) - length); | |
463 | else | |
464 | value = insn_value >> (total_length - ( word_offset + start + length)); | |
465 | } | |
466 | ||
467 | #if ! CGEN_INT_INSN_P | |
468 | ||
469 | else | |
470 | { | |
471 | unsigned char *bufp = ex_info->insn_bytes + word_offset / 8; | |
472 | ||
473 | if (word_length > 32) | |
474 | abort (); | |
475 | ||
476 | if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0) | |
477 | return 0; | |
478 | ||
479 | value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc); | |
480 | } | |
481 | ||
482 | #endif /* ! CGEN_INT_INSN_P */ | |
483 | ||
484 | /* Written this way to avoid undefined behaviour. */ | |
485 | mask = (((1L << (length - 1)) - 1) << 1) | 1; | |
486 | ||
487 | value &= mask; | |
488 | /* sign extend? */ | |
489 | if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED) | |
490 | && (value & (1L << (length - 1)))) | |
491 | value |= ~mask; | |
492 | ||
493 | *valuep = value; | |
494 | ||
495 | return 1; | |
496 | } | |
497 | ||
498 | /* Default insn extractor. | |
499 | ||
500 | INSN_VALUE is the first base_insn_bitsize bits, translated to host order. | |
501 | The extracted fields are stored in FIELDS. | |
502 | EX_INFO is used to handle reading variable length insns. | |
503 | Return the length of the insn in bits, or 0 if no match, | |
504 | or -1 if an error occurs fetching data (memory_error_func will have | |
505 | been called). */ | |
506 | ||
507 | static int | |
508 | extract_insn_normal (cd, insn, ex_info, insn_value, fields, pc) | |
509 | CGEN_CPU_DESC cd; | |
510 | const CGEN_INSN *insn; | |
511 | CGEN_EXTRACT_INFO *ex_info; | |
512 | CGEN_INSN_INT insn_value; | |
513 | CGEN_FIELDS *fields; | |
514 | bfd_vma pc; | |
515 | { | |
516 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); | |
517 | const CGEN_SYNTAX_CHAR_TYPE *syn; | |
518 | ||
519 | CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); | |
520 | ||
521 | CGEN_INIT_EXTRACT (cd); | |
522 | ||
523 | for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn) | |
524 | { | |
525 | int length; | |
526 | ||
527 | if (CGEN_SYNTAX_CHAR_P (*syn)) | |
528 | continue; | |
529 | ||
530 | length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn), | |
531 | ex_info, insn_value, fields, pc); | |
532 | if (length <= 0) | |
533 | return length; | |
534 | } | |
535 | ||
536 | /* We recognized and successfully extracted this insn. */ | |
537 | return CGEN_INSN_BITSIZE (insn); | |
538 | } | |
539 | \f | |
540 | /* machine generated code added here */ | |
541 | ||
542 | const char * iq2000_cgen_insert_operand | |
543 | PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); | |
544 | ||
545 | /* Main entry point for operand insertion. | |
546 | ||
547 | This function is basically just a big switch statement. Earlier versions | |
548 | used tables to look up the function to use, but | |
549 | - if the table contains both assembler and disassembler functions then | |
550 | the disassembler contains much of the assembler and vice-versa, | |
551 | - there's a lot of inlining possibilities as things grow, | |
552 | - using a switch statement avoids the function call overhead. | |
553 | ||
554 | This function could be moved into `parse_insn_normal', but keeping it | |
555 | separate makes clear the interface between `parse_insn_normal' and each of | |
556 | the handlers. It's also needed by GAS to insert operands that couldn't be | |
557 | resolved during parsing. */ | |
558 | ||
559 | const char * | |
560 | iq2000_cgen_insert_operand (cd, opindex, fields, buffer, pc) | |
561 | CGEN_CPU_DESC cd; | |
562 | int opindex; | |
563 | CGEN_FIELDS * fields; | |
564 | CGEN_INSN_BYTES_PTR buffer; | |
565 | bfd_vma pc ATTRIBUTE_UNUSED; | |
566 | { | |
567 | const char * errmsg = NULL; | |
568 | unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); | |
569 | ||
570 | switch (opindex) | |
571 | { | |
572 | case IQ2000_OPERAND_BASE : | |
573 | errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer); | |
574 | break; | |
575 | case IQ2000_OPERAND_BASEOFF : | |
576 | errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer); | |
577 | break; | |
578 | case IQ2000_OPERAND_BITNUM : | |
579 | errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer); | |
580 | break; | |
581 | case IQ2000_OPERAND_BYTECOUNT : | |
582 | errmsg = insert_normal (cd, fields->f_bytecount, 0, 0, 7, 8, 32, total_length, buffer); | |
583 | break; | |
584 | case IQ2000_OPERAND_CAM_Y : | |
585 | errmsg = insert_normal (cd, fields->f_cam_y, 0, 0, 2, 3, 32, total_length, buffer); | |
586 | break; | |
587 | case IQ2000_OPERAND_CAM_Z : | |
588 | errmsg = insert_normal (cd, fields->f_cam_z, 0, 0, 5, 3, 32, total_length, buffer); | |
589 | break; | |
590 | case IQ2000_OPERAND_CM_3FUNC : | |
591 | errmsg = insert_normal (cd, fields->f_cm_3func, 0, 0, 5, 3, 32, total_length, buffer); | |
592 | break; | |
593 | case IQ2000_OPERAND_CM_3Z : | |
594 | errmsg = insert_normal (cd, fields->f_cm_3z, 0, 0, 1, 2, 32, total_length, buffer); | |
595 | break; | |
596 | case IQ2000_OPERAND_CM_4FUNC : | |
597 | errmsg = insert_normal (cd, fields->f_cm_4func, 0, 0, 5, 4, 32, total_length, buffer); | |
598 | break; | |
599 | case IQ2000_OPERAND_CM_4Z : | |
600 | errmsg = insert_normal (cd, fields->f_cm_4z, 0, 0, 2, 3, 32, total_length, buffer); | |
601 | break; | |
602 | case IQ2000_OPERAND_COUNT : | |
603 | errmsg = insert_normal (cd, fields->f_count, 0, 0, 15, 7, 32, total_length, buffer); | |
604 | break; | |
605 | case IQ2000_OPERAND_EXECODE : | |
606 | errmsg = insert_normal (cd, fields->f_excode, 0, 0, 25, 20, 32, total_length, buffer); | |
607 | break; | |
608 | case IQ2000_OPERAND_HI16 : | |
609 | errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer); | |
610 | break; | |
611 | case IQ2000_OPERAND_IMM : | |
612 | errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer); | |
613 | break; | |
614 | case IQ2000_OPERAND_INDEX : | |
615 | errmsg = insert_normal (cd, fields->f_index, 0, 0, 8, 9, 32, total_length, buffer); | |
616 | break; | |
617 | case IQ2000_OPERAND_JMPTARG : | |
618 | { | |
619 | long value = fields->f_jtarg; | |
620 | value = ((unsigned int) (((value) & (262143))) >> (2)); | |
621 | errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, buffer); | |
622 | } | |
623 | break; | |
624 | case IQ2000_OPERAND_JMPTARGQ10 : | |
625 | { | |
626 | long value = fields->f_jtargq10; | |
627 | value = ((unsigned int) (((value) & (8388607))) >> (2)); | |
628 | errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, buffer); | |
629 | } | |
630 | break; | |
631 | case IQ2000_OPERAND_LO16 : | |
632 | errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer); | |
633 | break; | |
634 | case IQ2000_OPERAND_MASK : | |
635 | errmsg = insert_normal (cd, fields->f_mask, 0, 0, 9, 4, 32, total_length, buffer); | |
636 | break; | |
637 | case IQ2000_OPERAND_MASKL : | |
638 | errmsg = insert_normal (cd, fields->f_maskl, 0, 0, 4, 5, 32, total_length, buffer); | |
639 | break; | |
640 | case IQ2000_OPERAND_MASKQ10 : | |
641 | errmsg = insert_normal (cd, fields->f_maskq10, 0, 0, 10, 5, 32, total_length, buffer); | |
642 | break; | |
643 | case IQ2000_OPERAND_MASKR : | |
644 | errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer); | |
645 | break; | |
646 | case IQ2000_OPERAND_MLO16 : | |
647 | errmsg = insert_normal (cd, fields->f_imm, 0, 0, 15, 16, 32, total_length, buffer); | |
648 | break; | |
649 | case IQ2000_OPERAND_OFFSET : | |
650 | { | |
651 | long value = fields->f_offset; | |
652 | value = ((int) (((value) - (pc))) >> (2)); | |
653 | errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer); | |
654 | } | |
655 | break; | |
656 | case IQ2000_OPERAND_RD : | |
657 | errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer); | |
658 | break; | |
659 | case IQ2000_OPERAND_RD_RS : | |
660 | { | |
661 | { | |
662 | FLD (f_rd) = FLD (f_rd_rs); | |
663 | FLD (f_rs) = FLD (f_rd_rs); | |
664 | } | |
665 | errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer); | |
666 | if (errmsg) | |
667 | break; | |
668 | errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer); | |
669 | if (errmsg) | |
670 | break; | |
671 | } | |
672 | break; | |
673 | case IQ2000_OPERAND_RD_RT : | |
674 | { | |
675 | { | |
676 | FLD (f_rd) = FLD (f_rd_rt); | |
677 | FLD (f_rt) = FLD (f_rd_rt); | |
678 | } | |
679 | errmsg = insert_normal (cd, fields->f_rd, 0, 0, 15, 5, 32, total_length, buffer); | |
680 | if (errmsg) | |
681 | break; | |
682 | errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer); | |
683 | if (errmsg) | |
684 | break; | |
685 | } | |
686 | break; | |
687 | case IQ2000_OPERAND_RS : | |
688 | errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer); | |
689 | break; | |
690 | case IQ2000_OPERAND_RT : | |
691 | errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer); | |
692 | break; | |
693 | case IQ2000_OPERAND_RT_RS : | |
694 | { | |
695 | { | |
696 | FLD (f_rt) = FLD (f_rt_rs); | |
697 | FLD (f_rs) = FLD (f_rt_rs); | |
698 | } | |
699 | errmsg = insert_normal (cd, fields->f_rt, 0, 0, 20, 5, 32, total_length, buffer); | |
700 | if (errmsg) | |
701 | break; | |
702 | errmsg = insert_normal (cd, fields->f_rs, 0, 0, 25, 5, 32, total_length, buffer); | |
703 | if (errmsg) | |
704 | break; | |
705 | } | |
706 | break; | |
707 | case IQ2000_OPERAND_SHAMT : | |
708 | errmsg = insert_normal (cd, fields->f_shamt, 0, 0, 10, 5, 32, total_length, buffer); | |
709 | break; | |
710 | ||
711 | default : | |
712 | /* xgettext:c-format */ | |
713 | fprintf (stderr, _("Unrecognized field %d while building insn.\n"), | |
714 | opindex); | |
715 | abort (); | |
716 | } | |
717 | ||
718 | return errmsg; | |
719 | } | |
720 | ||
721 | int iq2000_cgen_extract_operand | |
722 | PARAMS ((CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, | |
723 | CGEN_FIELDS *, bfd_vma)); | |
724 | ||
725 | /* Main entry point for operand extraction. | |
726 | The result is <= 0 for error, >0 for success. | |
727 | ??? Actual values aren't well defined right now. | |
728 | ||
729 | This function is basically just a big switch statement. Earlier versions | |
730 | used tables to look up the function to use, but | |
731 | - if the table contains both assembler and disassembler functions then | |
732 | the disassembler contains much of the assembler and vice-versa, | |
733 | - there's a lot of inlining possibilities as things grow, | |
734 | - using a switch statement avoids the function call overhead. | |
735 | ||
736 | This function could be moved into `print_insn_normal', but keeping it | |
737 | separate makes clear the interface between `print_insn_normal' and each of | |
738 | the handlers. */ | |
739 | ||
740 | int | |
741 | iq2000_cgen_extract_operand (cd, opindex, ex_info, insn_value, fields, pc) | |
742 | CGEN_CPU_DESC cd; | |
743 | int opindex; | |
744 | CGEN_EXTRACT_INFO *ex_info; | |
745 | CGEN_INSN_INT insn_value; | |
746 | CGEN_FIELDS * fields; | |
747 | bfd_vma pc; | |
748 | { | |
749 | /* Assume success (for those operands that are nops). */ | |
750 | int length = 1; | |
751 | unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); | |
752 | ||
753 | switch (opindex) | |
754 | { | |
755 | case IQ2000_OPERAND_BASE : | |
756 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs); | |
757 | break; | |
758 | case IQ2000_OPERAND_BASEOFF : | |
759 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm); | |
760 | break; | |
761 | case IQ2000_OPERAND_BITNUM : | |
762 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt); | |
763 | break; | |
764 | case IQ2000_OPERAND_BYTECOUNT : | |
765 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 8, 32, total_length, pc, & fields->f_bytecount); | |
766 | break; | |
767 | case IQ2000_OPERAND_CAM_Y : | |
768 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cam_y); | |
769 | break; | |
770 | case IQ2000_OPERAND_CAM_Z : | |
771 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cam_z); | |
772 | break; | |
773 | case IQ2000_OPERAND_CM_3FUNC : | |
774 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 3, 32, total_length, pc, & fields->f_cm_3func); | |
775 | break; | |
776 | case IQ2000_OPERAND_CM_3Z : | |
777 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 1, 2, 32, total_length, pc, & fields->f_cm_3z); | |
778 | break; | |
779 | case IQ2000_OPERAND_CM_4FUNC : | |
780 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 5, 4, 32, total_length, pc, & fields->f_cm_4func); | |
781 | break; | |
782 | case IQ2000_OPERAND_CM_4Z : | |
783 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 2, 3, 32, total_length, pc, & fields->f_cm_4z); | |
784 | break; | |
785 | case IQ2000_OPERAND_COUNT : | |
786 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 7, 32, total_length, pc, & fields->f_count); | |
787 | break; | |
788 | case IQ2000_OPERAND_EXECODE : | |
789 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 20, 32, total_length, pc, & fields->f_excode); | |
790 | break; | |
791 | case IQ2000_OPERAND_HI16 : | |
792 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm); | |
793 | break; | |
794 | case IQ2000_OPERAND_IMM : | |
795 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm); | |
796 | break; | |
797 | case IQ2000_OPERAND_INDEX : | |
798 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 9, 32, total_length, pc, & fields->f_index); | |
799 | break; | |
800 | case IQ2000_OPERAND_JMPTARG : | |
801 | { | |
802 | long value; | |
803 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 15, 16, 32, total_length, pc, & value); | |
804 | value = ((((pc) & (0xf0000000))) | (((value) << (2)))); | |
805 | fields->f_jtarg = value; | |
806 | } | |
807 | break; | |
808 | case IQ2000_OPERAND_JMPTARGQ10 : | |
809 | { | |
810 | long value; | |
811 | length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_ABS_ADDR), 0, 20, 21, 32, total_length, pc, & value); | |
812 | value = ((((pc) & (0xf0000000))) | (((value) << (2)))); | |
813 | fields->f_jtargq10 = value; | |
814 | } | |
815 | break; | |
816 | case IQ2000_OPERAND_LO16 : | |
817 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm); | |
818 | break; | |
819 | case IQ2000_OPERAND_MASK : | |
820 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 4, 32, total_length, pc, & fields->f_mask); | |
821 | break; | |
822 | case IQ2000_OPERAND_MASKL : | |
823 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_maskl); | |
824 | break; | |
825 | case IQ2000_OPERAND_MASKQ10 : | |
826 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_maskq10); | |
827 | break; | |
828 | case IQ2000_OPERAND_MASKR : | |
829 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs); | |
830 | break; | |
831 | case IQ2000_OPERAND_MLO16 : | |
832 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_imm); | |
833 | break; | |
834 | case IQ2000_OPERAND_OFFSET : | |
835 | { | |
836 | long value; | |
837 | 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); | |
838 | value = ((((value) << (2))) + (((pc) + (4)))); | |
839 | fields->f_offset = value; | |
840 | } | |
841 | break; | |
842 | case IQ2000_OPERAND_RD : | |
843 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd); | |
844 | break; | |
845 | case IQ2000_OPERAND_RD_RS : | |
846 | { | |
847 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd); | |
848 | if (length <= 0) break; | |
849 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs); | |
850 | if (length <= 0) break; | |
851 | { | |
852 | FLD (f_rd_rs) = FLD (f_rs); | |
853 | } | |
854 | } | |
855 | break; | |
856 | case IQ2000_OPERAND_RD_RT : | |
857 | { | |
858 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_rd); | |
859 | if (length <= 0) break; | |
860 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt); | |
861 | if (length <= 0) break; | |
862 | { | |
863 | FLD (f_rd_rt) = FLD (f_rt); | |
864 | } | |
865 | } | |
866 | break; | |
867 | case IQ2000_OPERAND_RS : | |
868 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs); | |
869 | break; | |
870 | case IQ2000_OPERAND_RT : | |
871 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt); | |
872 | break; | |
873 | case IQ2000_OPERAND_RT_RS : | |
874 | { | |
875 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_rt); | |
876 | if (length <= 0) break; | |
877 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_rs); | |
878 | if (length <= 0) break; | |
879 | { | |
880 | FLD (f_rd_rs) = FLD (f_rs); | |
881 | } | |
882 | } | |
883 | break; | |
884 | case IQ2000_OPERAND_SHAMT : | |
885 | length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 5, 32, total_length, pc, & fields->f_shamt); | |
886 | break; | |
887 | ||
888 | default : | |
889 | /* xgettext:c-format */ | |
890 | fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"), | |
891 | opindex); | |
892 | abort (); | |
893 | } | |
894 | ||
895 | return length; | |
896 | } | |
897 | ||
898 | cgen_insert_fn * const iq2000_cgen_insert_handlers[] = | |
899 | { | |
900 | insert_insn_normal, | |
901 | }; | |
902 | ||
903 | cgen_extract_fn * const iq2000_cgen_extract_handlers[] = | |
904 | { | |
905 | extract_insn_normal, | |
906 | }; | |
907 | ||
908 | int iq2000_cgen_get_int_operand | |
909 | PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); | |
910 | bfd_vma iq2000_cgen_get_vma_operand | |
911 | PARAMS ((CGEN_CPU_DESC, int, const CGEN_FIELDS *)); | |
912 | ||
913 | /* Getting values from cgen_fields is handled by a collection of functions. | |
914 | They are distinguished by the type of the VALUE argument they return. | |
915 | TODO: floating point, inlining support, remove cases where result type | |
916 | not appropriate. */ | |
917 | ||
918 | int | |
919 | iq2000_cgen_get_int_operand (cd, opindex, fields) | |
920 | CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; | |
921 | int opindex; | |
922 | const CGEN_FIELDS * fields; | |
923 | { | |
924 | int value; | |
925 | ||
926 | switch (opindex) | |
927 | { | |
928 | case IQ2000_OPERAND_BASE : | |
929 | value = fields->f_rs; | |
930 | break; | |
931 | case IQ2000_OPERAND_BASEOFF : | |
932 | value = fields->f_imm; | |
933 | break; | |
934 | case IQ2000_OPERAND_BITNUM : | |
935 | value = fields->f_rt; | |
936 | break; | |
937 | case IQ2000_OPERAND_BYTECOUNT : | |
938 | value = fields->f_bytecount; | |
939 | break; | |
940 | case IQ2000_OPERAND_CAM_Y : | |
941 | value = fields->f_cam_y; | |
942 | break; | |
943 | case IQ2000_OPERAND_CAM_Z : | |
944 | value = fields->f_cam_z; | |
945 | break; | |
946 | case IQ2000_OPERAND_CM_3FUNC : | |
947 | value = fields->f_cm_3func; | |
948 | break; | |
949 | case IQ2000_OPERAND_CM_3Z : | |
950 | value = fields->f_cm_3z; | |
951 | break; | |
952 | case IQ2000_OPERAND_CM_4FUNC : | |
953 | value = fields->f_cm_4func; | |
954 | break; | |
955 | case IQ2000_OPERAND_CM_4Z : | |
956 | value = fields->f_cm_4z; | |
957 | break; | |
958 | case IQ2000_OPERAND_COUNT : | |
959 | value = fields->f_count; | |
960 | break; | |
961 | case IQ2000_OPERAND_EXECODE : | |
962 | value = fields->f_excode; | |
963 | break; | |
964 | case IQ2000_OPERAND_HI16 : | |
965 | value = fields->f_imm; | |
966 | break; | |
967 | case IQ2000_OPERAND_IMM : | |
968 | value = fields->f_imm; | |
969 | break; | |
970 | case IQ2000_OPERAND_INDEX : | |
971 | value = fields->f_index; | |
972 | break; | |
973 | case IQ2000_OPERAND_JMPTARG : | |
974 | value = fields->f_jtarg; | |
975 | break; | |
976 | case IQ2000_OPERAND_JMPTARGQ10 : | |
977 | value = fields->f_jtargq10; | |
978 | break; | |
979 | case IQ2000_OPERAND_LO16 : | |
980 | value = fields->f_imm; | |
981 | break; | |
982 | case IQ2000_OPERAND_MASK : | |
983 | value = fields->f_mask; | |
984 | break; | |
985 | case IQ2000_OPERAND_MASKL : | |
986 | value = fields->f_maskl; | |
987 | break; | |
988 | case IQ2000_OPERAND_MASKQ10 : | |
989 | value = fields->f_maskq10; | |
990 | break; | |
991 | case IQ2000_OPERAND_MASKR : | |
992 | value = fields->f_rs; | |
993 | break; | |
994 | case IQ2000_OPERAND_MLO16 : | |
995 | value = fields->f_imm; | |
996 | break; | |
997 | case IQ2000_OPERAND_OFFSET : | |
998 | value = fields->f_offset; | |
999 | break; | |
1000 | case IQ2000_OPERAND_RD : | |
1001 | value = fields->f_rd; | |
1002 | break; | |
1003 | case IQ2000_OPERAND_RD_RS : | |
1004 | value = fields->f_rd_rs; | |
1005 | break; | |
1006 | case IQ2000_OPERAND_RD_RT : | |
1007 | value = fields->f_rd_rt; | |
1008 | break; | |
1009 | case IQ2000_OPERAND_RS : | |
1010 | value = fields->f_rs; | |
1011 | break; | |
1012 | case IQ2000_OPERAND_RT : | |
1013 | value = fields->f_rt; | |
1014 | break; | |
1015 | case IQ2000_OPERAND_RT_RS : | |
1016 | value = fields->f_rt_rs; | |
1017 | break; | |
1018 | case IQ2000_OPERAND_SHAMT : | |
1019 | value = fields->f_shamt; | |
1020 | break; | |
1021 | ||
1022 | default : | |
1023 | /* xgettext:c-format */ | |
1024 | fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"), | |
1025 | opindex); | |
1026 | abort (); | |
1027 | } | |
1028 | ||
1029 | return value; | |
1030 | } | |
1031 | ||
1032 | bfd_vma | |
1033 | iq2000_cgen_get_vma_operand (cd, opindex, fields) | |
1034 | CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; | |
1035 | int opindex; | |
1036 | const CGEN_FIELDS * fields; | |
1037 | { | |
1038 | bfd_vma value; | |
1039 | ||
1040 | switch (opindex) | |
1041 | { | |
1042 | case IQ2000_OPERAND_BASE : | |
1043 | value = fields->f_rs; | |
1044 | break; | |
1045 | case IQ2000_OPERAND_BASEOFF : | |
1046 | value = fields->f_imm; | |
1047 | break; | |
1048 | case IQ2000_OPERAND_BITNUM : | |
1049 | value = fields->f_rt; | |
1050 | break; | |
1051 | case IQ2000_OPERAND_BYTECOUNT : | |
1052 | value = fields->f_bytecount; | |
1053 | break; | |
1054 | case IQ2000_OPERAND_CAM_Y : | |
1055 | value = fields->f_cam_y; | |
1056 | break; | |
1057 | case IQ2000_OPERAND_CAM_Z : | |
1058 | value = fields->f_cam_z; | |
1059 | break; | |
1060 | case IQ2000_OPERAND_CM_3FUNC : | |
1061 | value = fields->f_cm_3func; | |
1062 | break; | |
1063 | case IQ2000_OPERAND_CM_3Z : | |
1064 | value = fields->f_cm_3z; | |
1065 | break; | |
1066 | case IQ2000_OPERAND_CM_4FUNC : | |
1067 | value = fields->f_cm_4func; | |
1068 | break; | |
1069 | case IQ2000_OPERAND_CM_4Z : | |
1070 | value = fields->f_cm_4z; | |
1071 | break; | |
1072 | case IQ2000_OPERAND_COUNT : | |
1073 | value = fields->f_count; | |
1074 | break; | |
1075 | case IQ2000_OPERAND_EXECODE : | |
1076 | value = fields->f_excode; | |
1077 | break; | |
1078 | case IQ2000_OPERAND_HI16 : | |
1079 | value = fields->f_imm; | |
1080 | break; | |
1081 | case IQ2000_OPERAND_IMM : | |
1082 | value = fields->f_imm; | |
1083 | break; | |
1084 | case IQ2000_OPERAND_INDEX : | |
1085 | value = fields->f_index; | |
1086 | break; | |
1087 | case IQ2000_OPERAND_JMPTARG : | |
1088 | value = fields->f_jtarg; | |
1089 | break; | |
1090 | case IQ2000_OPERAND_JMPTARGQ10 : | |
1091 | value = fields->f_jtargq10; | |
1092 | break; | |
1093 | case IQ2000_OPERAND_LO16 : | |
1094 | value = fields->f_imm; | |
1095 | break; | |
1096 | case IQ2000_OPERAND_MASK : | |
1097 | value = fields->f_mask; | |
1098 | break; | |
1099 | case IQ2000_OPERAND_MASKL : | |
1100 | value = fields->f_maskl; | |
1101 | break; | |
1102 | case IQ2000_OPERAND_MASKQ10 : | |
1103 | value = fields->f_maskq10; | |
1104 | break; | |
1105 | case IQ2000_OPERAND_MASKR : | |
1106 | value = fields->f_rs; | |
1107 | break; | |
1108 | case IQ2000_OPERAND_MLO16 : | |
1109 | value = fields->f_imm; | |
1110 | break; | |
1111 | case IQ2000_OPERAND_OFFSET : | |
1112 | value = fields->f_offset; | |
1113 | break; | |
1114 | case IQ2000_OPERAND_RD : | |
1115 | value = fields->f_rd; | |
1116 | break; | |
1117 | case IQ2000_OPERAND_RD_RS : | |
1118 | value = fields->f_rd_rs; | |
1119 | break; | |
1120 | case IQ2000_OPERAND_RD_RT : | |
1121 | value = fields->f_rd_rt; | |
1122 | break; | |
1123 | case IQ2000_OPERAND_RS : | |
1124 | value = fields->f_rs; | |
1125 | break; | |
1126 | case IQ2000_OPERAND_RT : | |
1127 | value = fields->f_rt; | |
1128 | break; | |
1129 | case IQ2000_OPERAND_RT_RS : | |
1130 | value = fields->f_rt_rs; | |
1131 | break; | |
1132 | case IQ2000_OPERAND_SHAMT : | |
1133 | value = fields->f_shamt; | |
1134 | break; | |
1135 | ||
1136 | default : | |
1137 | /* xgettext:c-format */ | |
1138 | fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"), | |
1139 | opindex); | |
1140 | abort (); | |
1141 | } | |
1142 | ||
1143 | return value; | |
1144 | } | |
1145 | ||
1146 | void iq2000_cgen_set_int_operand | |
1147 | PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, int)); | |
1148 | void iq2000_cgen_set_vma_operand | |
1149 | PARAMS ((CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma)); | |
1150 | ||
1151 | /* Stuffing values in cgen_fields is handled by a collection of functions. | |
1152 | They are distinguished by the type of the VALUE argument they accept. | |
1153 | TODO: floating point, inlining support, remove cases where argument type | |
1154 | not appropriate. */ | |
1155 | ||
1156 | void | |
1157 | iq2000_cgen_set_int_operand (cd, opindex, fields, value) | |
1158 | CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; | |
1159 | int opindex; | |
1160 | CGEN_FIELDS * fields; | |
1161 | int value; | |
1162 | { | |
1163 | switch (opindex) | |
1164 | { | |
1165 | case IQ2000_OPERAND_BASE : | |
1166 | fields->f_rs = value; | |
1167 | break; | |
1168 | case IQ2000_OPERAND_BASEOFF : | |
1169 | fields->f_imm = value; | |
1170 | break; | |
1171 | case IQ2000_OPERAND_BITNUM : | |
1172 | fields->f_rt = value; | |
1173 | break; | |
1174 | case IQ2000_OPERAND_BYTECOUNT : | |
1175 | fields->f_bytecount = value; | |
1176 | break; | |
1177 | case IQ2000_OPERAND_CAM_Y : | |
1178 | fields->f_cam_y = value; | |
1179 | break; | |
1180 | case IQ2000_OPERAND_CAM_Z : | |
1181 | fields->f_cam_z = value; | |
1182 | break; | |
1183 | case IQ2000_OPERAND_CM_3FUNC : | |
1184 | fields->f_cm_3func = value; | |
1185 | break; | |
1186 | case IQ2000_OPERAND_CM_3Z : | |
1187 | fields->f_cm_3z = value; | |
1188 | break; | |
1189 | case IQ2000_OPERAND_CM_4FUNC : | |
1190 | fields->f_cm_4func = value; | |
1191 | break; | |
1192 | case IQ2000_OPERAND_CM_4Z : | |
1193 | fields->f_cm_4z = value; | |
1194 | break; | |
1195 | case IQ2000_OPERAND_COUNT : | |
1196 | fields->f_count = value; | |
1197 | break; | |
1198 | case IQ2000_OPERAND_EXECODE : | |
1199 | fields->f_excode = value; | |
1200 | break; | |
1201 | case IQ2000_OPERAND_HI16 : | |
1202 | fields->f_imm = value; | |
1203 | break; | |
1204 | case IQ2000_OPERAND_IMM : | |
1205 | fields->f_imm = value; | |
1206 | break; | |
1207 | case IQ2000_OPERAND_INDEX : | |
1208 | fields->f_index = value; | |
1209 | break; | |
1210 | case IQ2000_OPERAND_JMPTARG : | |
1211 | fields->f_jtarg = value; | |
1212 | break; | |
1213 | case IQ2000_OPERAND_JMPTARGQ10 : | |
1214 | fields->f_jtargq10 = value; | |
1215 | break; | |
1216 | case IQ2000_OPERAND_LO16 : | |
1217 | fields->f_imm = value; | |
1218 | break; | |
1219 | case IQ2000_OPERAND_MASK : | |
1220 | fields->f_mask = value; | |
1221 | break; | |
1222 | case IQ2000_OPERAND_MASKL : | |
1223 | fields->f_maskl = value; | |
1224 | break; | |
1225 | case IQ2000_OPERAND_MASKQ10 : | |
1226 | fields->f_maskq10 = value; | |
1227 | break; | |
1228 | case IQ2000_OPERAND_MASKR : | |
1229 | fields->f_rs = value; | |
1230 | break; | |
1231 | case IQ2000_OPERAND_MLO16 : | |
1232 | fields->f_imm = value; | |
1233 | break; | |
1234 | case IQ2000_OPERAND_OFFSET : | |
1235 | fields->f_offset = value; | |
1236 | break; | |
1237 | case IQ2000_OPERAND_RD : | |
1238 | fields->f_rd = value; | |
1239 | break; | |
1240 | case IQ2000_OPERAND_RD_RS : | |
1241 | fields->f_rd_rs = value; | |
1242 | break; | |
1243 | case IQ2000_OPERAND_RD_RT : | |
1244 | fields->f_rd_rt = value; | |
1245 | break; | |
1246 | case IQ2000_OPERAND_RS : | |
1247 | fields->f_rs = value; | |
1248 | break; | |
1249 | case IQ2000_OPERAND_RT : | |
1250 | fields->f_rt = value; | |
1251 | break; | |
1252 | case IQ2000_OPERAND_RT_RS : | |
1253 | fields->f_rt_rs = value; | |
1254 | break; | |
1255 | case IQ2000_OPERAND_SHAMT : | |
1256 | fields->f_shamt = value; | |
1257 | break; | |
1258 | ||
1259 | default : | |
1260 | /* xgettext:c-format */ | |
1261 | fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"), | |
1262 | opindex); | |
1263 | abort (); | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | void | |
1268 | iq2000_cgen_set_vma_operand (cd, opindex, fields, value) | |
1269 | CGEN_CPU_DESC cd ATTRIBUTE_UNUSED; | |
1270 | int opindex; | |
1271 | CGEN_FIELDS * fields; | |
1272 | bfd_vma value; | |
1273 | { | |
1274 | switch (opindex) | |
1275 | { | |
1276 | case IQ2000_OPERAND_BASE : | |
1277 | fields->f_rs = value; | |
1278 | break; | |
1279 | case IQ2000_OPERAND_BASEOFF : | |
1280 | fields->f_imm = value; | |
1281 | break; | |
1282 | case IQ2000_OPERAND_BITNUM : | |
1283 | fields->f_rt = value; | |
1284 | break; | |
1285 | case IQ2000_OPERAND_BYTECOUNT : | |
1286 | fields->f_bytecount = value; | |
1287 | break; | |
1288 | case IQ2000_OPERAND_CAM_Y : | |
1289 | fields->f_cam_y = value; | |
1290 | break; | |
1291 | case IQ2000_OPERAND_CAM_Z : | |
1292 | fields->f_cam_z = value; | |
1293 | break; | |
1294 | case IQ2000_OPERAND_CM_3FUNC : | |
1295 | fields->f_cm_3func = value; | |
1296 | break; | |
1297 | case IQ2000_OPERAND_CM_3Z : | |
1298 | fields->f_cm_3z = value; | |
1299 | break; | |
1300 | case IQ2000_OPERAND_CM_4FUNC : | |
1301 | fields->f_cm_4func = value; | |
1302 | break; | |
1303 | case IQ2000_OPERAND_CM_4Z : | |
1304 | fields->f_cm_4z = value; | |
1305 | break; | |
1306 | case IQ2000_OPERAND_COUNT : | |
1307 | fields->f_count = value; | |
1308 | break; | |
1309 | case IQ2000_OPERAND_EXECODE : | |
1310 | fields->f_excode = value; | |
1311 | break; | |
1312 | case IQ2000_OPERAND_HI16 : | |
1313 | fields->f_imm = value; | |
1314 | break; | |
1315 | case IQ2000_OPERAND_IMM : | |
1316 | fields->f_imm = value; | |
1317 | break; | |
1318 | case IQ2000_OPERAND_INDEX : | |
1319 | fields->f_index = value; | |
1320 | break; | |
1321 | case IQ2000_OPERAND_JMPTARG : | |
1322 | fields->f_jtarg = value; | |
1323 | break; | |
1324 | case IQ2000_OPERAND_JMPTARGQ10 : | |
1325 | fields->f_jtargq10 = value; | |
1326 | break; | |
1327 | case IQ2000_OPERAND_LO16 : | |
1328 | fields->f_imm = value; | |
1329 | break; | |
1330 | case IQ2000_OPERAND_MASK : | |
1331 | fields->f_mask = value; | |
1332 | break; | |
1333 | case IQ2000_OPERAND_MASKL : | |
1334 | fields->f_maskl = value; | |
1335 | break; | |
1336 | case IQ2000_OPERAND_MASKQ10 : | |
1337 | fields->f_maskq10 = value; | |
1338 | break; | |
1339 | case IQ2000_OPERAND_MASKR : | |
1340 | fields->f_rs = value; | |
1341 | break; | |
1342 | case IQ2000_OPERAND_MLO16 : | |
1343 | fields->f_imm = value; | |
1344 | break; | |
1345 | case IQ2000_OPERAND_OFFSET : | |
1346 | fields->f_offset = value; | |
1347 | break; | |
1348 | case IQ2000_OPERAND_RD : | |
1349 | fields->f_rd = value; | |
1350 | break; | |
1351 | case IQ2000_OPERAND_RD_RS : | |
1352 | fields->f_rd_rs = value; | |
1353 | break; | |
1354 | case IQ2000_OPERAND_RD_RT : | |
1355 | fields->f_rd_rt = value; | |
1356 | break; | |
1357 | case IQ2000_OPERAND_RS : | |
1358 | fields->f_rs = value; | |
1359 | break; | |
1360 | case IQ2000_OPERAND_RT : | |
1361 | fields->f_rt = value; | |
1362 | break; | |
1363 | case IQ2000_OPERAND_RT_RS : | |
1364 | fields->f_rt_rs = value; | |
1365 | break; | |
1366 | case IQ2000_OPERAND_SHAMT : | |
1367 | fields->f_shamt = value; | |
1368 | break; | |
1369 | ||
1370 | default : | |
1371 | /* xgettext:c-format */ | |
1372 | fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"), | |
1373 | opindex); | |
1374 | abort (); | |
1375 | } | |
1376 | } | |
1377 | ||
1378 | /* Function to call before using the instruction builder tables. */ | |
1379 | ||
1380 | void | |
1381 | iq2000_cgen_init_ibld_table (cd) | |
1382 | CGEN_CPU_DESC cd; | |
1383 | { | |
1384 | cd->insert_handlers = & iq2000_cgen_insert_handlers[0]; | |
1385 | cd->extract_handlers = & iq2000_cgen_extract_handlers[0]; | |
1386 | ||
1387 | cd->insert_operand = iq2000_cgen_insert_operand; | |
1388 | cd->extract_operand = iq2000_cgen_extract_operand; | |
1389 | ||
1390 | cd->get_int_operand = iq2000_cgen_get_int_operand; | |
1391 | cd->set_int_operand = iq2000_cgen_set_int_operand; | |
1392 | cd->get_vma_operand = iq2000_cgen_get_vma_operand; | |
1393 | cd->set_vma_operand = iq2000_cgen_set_vma_operand; | |
1394 | } |