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fd3c93d5 DB |
1 | /* Assembler interface for targets using CGEN. -*- C -*- |
2 | CGEN: Cpu tools GENerator | |
3 | ||
4 | THIS FILE IS MACHINE GENERATED WITH CGEN. | |
5 | - the resultant file is machine generated, cgen-asm.in isn't | |
6 | ||
7 | Copyright 1996, 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. | |
8 | ||
9 | This file is part of the GNU Binutils and GDB, the GNU debugger. | |
10 | ||
11 | This program 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 2, or (at your option) | |
14 | any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public 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 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "bfd.h" | |
32 | #include "symcat.h" | |
33 | #include "frv-desc.h" | |
34 | #include "frv-opc.h" | |
35 | #include "opintl.h" | |
36 | #include "xregex.h" | |
37 | #include "libiberty.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 | static const char * parse_insn_normal | |
ffead7ae | 46 | (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *); |
fd3c93d5 DB |
47 | \f |
48 | /* -- assembler routines inserted here. */ | |
49 | ||
50 | /* -- asm.c */ | |
51 | static const char * parse_ulo16 | |
52 | PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); | |
53 | static const char * parse_uslo16 | |
54 | PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); | |
55 | static const char * parse_uhi16 | |
56 | PARAMS ((CGEN_CPU_DESC, const char **, int, unsigned long *)); | |
57 | static long parse_register_number | |
58 | PARAMS ((const char **)); | |
59 | static const char * parse_spr | |
60 | PARAMS ((CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *)); | |
61 | static const char * parse_d12 | |
62 | PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); | |
63 | static const char * parse_s12 | |
64 | PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); | |
65 | static const char * parse_u12 | |
66 | PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); | |
36c3ae24 NC |
67 | static const char * parse_even_register |
68 | PARAMS ((CGEN_CPU_DESC, const char **, CGEN_KEYWORD *, long *)); | |
ecd51ad3 DB |
69 | static const char * parse_A0 |
70 | PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); | |
71 | static const char * parse_A1 | |
72 | PARAMS ((CGEN_CPU_DESC, const char **, int, long *)); | |
73 | static const char * parse_A | |
74 | PARAMS ((CGEN_CPU_DESC, const char **, int, long *, long)); | |
fd3c93d5 DB |
75 | |
76 | static const char * | |
77 | parse_ulo16 (cd, strp, opindex, valuep) | |
78 | CGEN_CPU_DESC cd; | |
79 | const char **strp; | |
80 | int opindex; | |
81 | unsigned long *valuep; | |
82 | { | |
83 | const char *errmsg; | |
84 | enum cgen_parse_operand_result result_type; | |
85 | bfd_vma value; | |
86 | ||
87 | if (**strp == '#' || **strp == '%') | |
88 | { | |
89 | if (strncasecmp (*strp + 1, "lo(", 3) == 0) | |
90 | { | |
91 | *strp += 4; | |
92 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_LO16, | |
93 | &result_type, &value); | |
94 | if (**strp != ')') | |
95 | return "missing `)'"; | |
96 | ++*strp; | |
97 | if (errmsg == NULL | |
98 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
99 | value &= 0xffff; | |
100 | *valuep = value; | |
101 | return errmsg; | |
102 | } | |
103 | if (strncasecmp (*strp + 1, "gprello(", 8) == 0) | |
104 | { | |
105 | *strp += 9; | |
106 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELLO, | |
107 | &result_type, &value); | |
108 | if (**strp != ')') | |
109 | return "missing ')'"; | |
110 | ++*strp; | |
111 | if (errmsg == NULL | |
112 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
ba2d3f07 AO |
113 | value &= 0xffff; |
114 | *valuep = value; | |
115 | return errmsg; | |
116 | } | |
117 | else if (strncasecmp (*strp + 1, "gotlo(", 6) == 0) | |
118 | { | |
119 | *strp += 7; | |
120 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GOTLO, | |
121 | &result_type, &value); | |
122 | if (**strp != ')') | |
123 | return "missing ')'"; | |
124 | ++*strp; | |
125 | if (errmsg == NULL | |
126 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
127 | value &= 0xffff; | |
128 | *valuep = value; | |
129 | return errmsg; | |
130 | } | |
131 | else if (strncasecmp (*strp + 1, "gotfuncdesclo(", 14) == 0) | |
132 | { | |
133 | *strp += 15; | |
134 | errmsg = cgen_parse_address (cd, strp, opindex, | |
135 | BFD_RELOC_FRV_FUNCDESC_GOTLO, | |
136 | &result_type, &value); | |
137 | if (**strp != ')') | |
138 | return "missing ')'"; | |
139 | ++*strp; | |
140 | if (errmsg == NULL | |
141 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
142 | value &= 0xffff; | |
143 | *valuep = value; | |
144 | return errmsg; | |
145 | } | |
146 | else if (strncasecmp (*strp + 1, "gotofflo(", 9) == 0) | |
147 | { | |
148 | *strp += 10; | |
149 | errmsg = cgen_parse_address (cd, strp, opindex, | |
150 | BFD_RELOC_FRV_GOTOFFLO, | |
151 | &result_type, &value); | |
152 | if (**strp != ')') | |
153 | return "missing ')'"; | |
154 | ++*strp; | |
155 | if (errmsg == NULL | |
156 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
157 | value &= 0xffff; | |
158 | *valuep = value; | |
159 | return errmsg; | |
160 | } | |
161 | else if (strncasecmp (*strp + 1, "gotofffuncdesclo(", 17) == 0) | |
162 | { | |
163 | *strp += 18; | |
164 | errmsg = cgen_parse_address (cd, strp, opindex, | |
165 | BFD_RELOC_FRV_FUNCDESC_GOTOFFLO, | |
166 | &result_type, &value); | |
167 | if (**strp != ')') | |
168 | return "missing ')'"; | |
169 | ++*strp; | |
170 | if (errmsg == NULL | |
171 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
172 | value &= 0xffff; | |
fd3c93d5 DB |
173 | *valuep = value; |
174 | return errmsg; | |
175 | } | |
176 | } | |
177 | return cgen_parse_signed_integer (cd, strp, opindex, valuep); | |
178 | } | |
179 | ||
180 | static const char * | |
181 | parse_uslo16 (cd, strp, opindex, valuep) | |
182 | CGEN_CPU_DESC cd; | |
183 | const char **strp; | |
184 | int opindex; | |
185 | unsigned long *valuep; | |
186 | { | |
187 | const char *errmsg; | |
188 | enum cgen_parse_operand_result result_type; | |
189 | bfd_vma value; | |
190 | ||
191 | if (**strp == '#' || **strp == '%') | |
192 | { | |
193 | if (strncasecmp (*strp + 1, "lo(", 3) == 0) | |
194 | { | |
195 | *strp += 4; | |
196 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_LO16, | |
197 | &result_type, &value); | |
198 | if (**strp != ')') | |
199 | return "missing `)'"; | |
200 | ++*strp; | |
201 | if (errmsg == NULL | |
202 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
203 | value &= 0xffff; | |
204 | *valuep = value; | |
205 | return errmsg; | |
206 | } | |
207 | else if (strncasecmp (*strp + 1, "gprello(", 8) == 0) | |
208 | { | |
209 | *strp += 9; | |
210 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELLO, | |
211 | &result_type, &value); | |
212 | if (**strp != ')') | |
213 | return "missing ')'"; | |
214 | ++*strp; | |
215 | if (errmsg == NULL | |
216 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
217 | value &= 0xffff; | |
218 | *valuep = value; | |
219 | return errmsg; | |
220 | } | |
ba2d3f07 AO |
221 | else if (strncasecmp (*strp + 1, "gotlo(", 6) == 0) |
222 | { | |
223 | *strp += 7; | |
224 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GOTLO, | |
225 | &result_type, &value); | |
226 | if (**strp != ')') | |
227 | return "missing ')'"; | |
228 | ++*strp; | |
229 | if (errmsg == NULL | |
230 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
231 | value &= 0xffff; | |
232 | *valuep = value; | |
233 | return errmsg; | |
234 | } | |
235 | else if (strncasecmp (*strp + 1, "gotfuncdesclo(", 14) == 0) | |
236 | { | |
237 | *strp += 15; | |
238 | errmsg = cgen_parse_address (cd, strp, opindex, | |
239 | BFD_RELOC_FRV_FUNCDESC_GOTLO, | |
240 | &result_type, &value); | |
241 | if (**strp != ')') | |
242 | return "missing ')'"; | |
243 | ++*strp; | |
244 | if (errmsg == NULL | |
245 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
246 | value &= 0xffff; | |
247 | *valuep = value; | |
248 | return errmsg; | |
249 | } | |
250 | else if (strncasecmp (*strp + 1, "gotofflo(", 9) == 0) | |
251 | { | |
252 | *strp += 10; | |
253 | errmsg = cgen_parse_address (cd, strp, opindex, | |
254 | BFD_RELOC_FRV_GOTOFFLO, | |
255 | &result_type, &value); | |
256 | if (**strp != ')') | |
257 | return "missing ')'"; | |
258 | ++*strp; | |
259 | if (errmsg == NULL | |
260 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
261 | value &= 0xffff; | |
262 | *valuep = value; | |
263 | return errmsg; | |
264 | } | |
265 | else if (strncasecmp (*strp + 1, "gotofffuncdesclo(", 17) == 0) | |
266 | { | |
267 | *strp += 18; | |
268 | errmsg = cgen_parse_address (cd, strp, opindex, | |
269 | BFD_RELOC_FRV_FUNCDESC_GOTOFFLO, | |
270 | &result_type, &value); | |
271 | if (**strp != ')') | |
272 | return "missing ')'"; | |
273 | ++*strp; | |
274 | if (errmsg == NULL | |
275 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
276 | value &= 0xffff; | |
277 | *valuep = value; | |
278 | return errmsg; | |
279 | } | |
fd3c93d5 DB |
280 | } |
281 | return cgen_parse_unsigned_integer (cd, strp, opindex, valuep); | |
282 | } | |
283 | ||
284 | static const char * | |
285 | parse_uhi16 (cd, strp, opindex, valuep) | |
286 | CGEN_CPU_DESC cd; | |
287 | const char **strp; | |
288 | int opindex; | |
289 | unsigned long *valuep; | |
290 | { | |
291 | const char *errmsg; | |
292 | enum cgen_parse_operand_result result_type; | |
293 | bfd_vma value; | |
294 | ||
295 | if (**strp == '#' || **strp == '%') | |
296 | { | |
297 | if (strncasecmp (*strp + 1, "hi(", 3) == 0) | |
298 | { | |
299 | *strp += 4; | |
300 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_HI16, | |
301 | &result_type, &value); | |
302 | if (**strp != ')') | |
303 | return "missing `)'"; | |
304 | ++*strp; | |
305 | if (errmsg == NULL | |
306 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
307 | value >>= 16; | |
308 | *valuep = value; | |
309 | return errmsg; | |
310 | } | |
311 | else if (strncasecmp (*strp + 1, "gprelhi(", 8) == 0) | |
312 | { | |
313 | *strp += 9; | |
314 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELHI, | |
315 | &result_type, &value); | |
316 | if (**strp != ')') | |
317 | return "missing ')'"; | |
318 | ++*strp; | |
319 | if (errmsg == NULL | |
320 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
321 | value >>= 16; | |
322 | *valuep = value; | |
323 | return errmsg; | |
324 | } | |
ba2d3f07 AO |
325 | else if (strncasecmp (*strp + 1, "gothi(", 6) == 0) |
326 | { | |
327 | *strp += 7; | |
328 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GOTHI, | |
329 | &result_type, &value); | |
330 | if (**strp != ')') | |
331 | return "missing ')'"; | |
332 | ++*strp; | |
333 | if (errmsg == NULL | |
334 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
335 | value >>= 16; | |
336 | *valuep = value; | |
337 | return errmsg; | |
338 | } | |
339 | else if (strncasecmp (*strp + 1, "gotfuncdeschi(", 14) == 0) | |
340 | { | |
341 | *strp += 15; | |
342 | errmsg = cgen_parse_address (cd, strp, opindex, | |
343 | BFD_RELOC_FRV_FUNCDESC_GOTHI, | |
344 | &result_type, &value); | |
345 | if (**strp != ')') | |
346 | return "missing ')'"; | |
347 | ++*strp; | |
348 | if (errmsg == NULL | |
349 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
350 | value >>= 16; | |
351 | *valuep = value; | |
352 | return errmsg; | |
353 | } | |
354 | else if (strncasecmp (*strp + 1, "gotoffhi(", 9) == 0) | |
355 | { | |
356 | *strp += 10; | |
357 | errmsg = cgen_parse_address (cd, strp, opindex, | |
358 | BFD_RELOC_FRV_GOTOFFHI, | |
359 | &result_type, &value); | |
360 | if (**strp != ')') | |
361 | return "missing ')'"; | |
362 | ++*strp; | |
363 | if (errmsg == NULL | |
364 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
365 | value >>= 16; | |
366 | *valuep = value; | |
367 | return errmsg; | |
368 | } | |
369 | else if (strncasecmp (*strp + 1, "gotofffuncdeschi(", 17) == 0) | |
370 | { | |
371 | *strp += 18; | |
372 | errmsg = cgen_parse_address (cd, strp, opindex, | |
373 | BFD_RELOC_FRV_FUNCDESC_GOTOFFHI, | |
374 | &result_type, &value); | |
375 | if (**strp != ')') | |
376 | return "missing ')'"; | |
377 | ++*strp; | |
378 | if (errmsg == NULL | |
379 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
380 | value >>= 16; | |
381 | *valuep = value; | |
382 | return errmsg; | |
383 | } | |
fd3c93d5 DB |
384 | } |
385 | return cgen_parse_unsigned_integer (cd, strp, opindex, valuep); | |
386 | } | |
387 | ||
388 | static long | |
389 | parse_register_number (strp) | |
390 | const char **strp; | |
391 | { | |
392 | int regno; | |
393 | if (**strp < '0' || **strp > '9') | |
394 | return -1; /* error */ | |
395 | ||
396 | regno = **strp - '0'; | |
397 | for (++*strp; **strp >= '0' && **strp <= '9'; ++*strp) | |
398 | regno = regno * 10 + (**strp - '0'); | |
399 | ||
400 | return regno; | |
401 | } | |
402 | ||
403 | static const char * | |
404 | parse_spr (cd, strp, table, valuep) | |
405 | CGEN_CPU_DESC cd; | |
406 | const char **strp; | |
407 | CGEN_KEYWORD * table; | |
408 | long *valuep; | |
409 | { | |
410 | const char *save_strp; | |
411 | long regno; | |
412 | ||
413 | /* Check for spr index notation. */ | |
414 | if (strncasecmp (*strp, "spr[", 4) == 0) | |
415 | { | |
416 | *strp += 4; | |
417 | regno = parse_register_number (strp); | |
418 | if (**strp != ']') | |
419 | return "missing `]'"; | |
420 | ++*strp; | |
421 | if (! spr_valid (regno)) | |
422 | return "Special purpose register number is out of range"; | |
423 | *valuep = regno; | |
424 | return NULL; | |
425 | } | |
426 | ||
427 | save_strp = *strp; | |
428 | regno = parse_register_number (strp); | |
429 | if (regno != -1) | |
430 | { | |
431 | if (! spr_valid (regno)) | |
432 | return "Special purpose register number is out of range"; | |
433 | *valuep = regno; | |
434 | return NULL; | |
435 | } | |
436 | ||
437 | *strp = save_strp; | |
438 | return cgen_parse_keyword (cd, strp, table, valuep); | |
439 | } | |
440 | ||
441 | static const char * | |
442 | parse_d12 (cd, strp, opindex, valuep) | |
443 | CGEN_CPU_DESC cd; | |
444 | const char **strp; | |
445 | int opindex; | |
446 | long *valuep; | |
447 | { | |
448 | const char *errmsg; | |
449 | enum cgen_parse_operand_result result_type; | |
450 | bfd_vma value; | |
451 | ||
452 | /* Check for small data reference. */ | |
453 | if (**strp == '#' || **strp == '%') | |
454 | { | |
455 | if (strncasecmp (*strp + 1, "gprel12(", 8) == 0) | |
456 | { | |
457 | *strp += 9; | |
458 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPREL12, | |
459 | &result_type, &value); | |
460 | if (**strp != ')') | |
461 | return "missing `)'"; | |
462 | ++*strp; | |
463 | *valuep = value; | |
464 | return errmsg; | |
465 | } | |
ba2d3f07 AO |
466 | else if (strncasecmp (*strp + 1, "got12(", 6) == 0) |
467 | { | |
468 | *strp += 7; | |
469 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GOT12, | |
470 | &result_type, &value); | |
471 | if (**strp != ')') | |
472 | return "missing ')'"; | |
473 | ++*strp; | |
474 | *valuep = value; | |
475 | return errmsg; | |
476 | } | |
477 | else if (strncasecmp (*strp + 1, "gotfuncdesc12(", 14) == 0) | |
478 | { | |
479 | *strp += 15; | |
480 | errmsg = cgen_parse_address (cd, strp, opindex, | |
481 | BFD_RELOC_FRV_FUNCDESC_GOT12, | |
482 | &result_type, &value); | |
483 | if (**strp != ')') | |
484 | return "missing ')'"; | |
485 | ++*strp; | |
486 | *valuep = value; | |
487 | return errmsg; | |
488 | } | |
489 | else if (strncasecmp (*strp + 1, "gotoff12(", 9) == 0) | |
490 | { | |
491 | *strp += 10; | |
492 | errmsg = cgen_parse_address (cd, strp, opindex, | |
493 | BFD_RELOC_FRV_GOTOFF12, | |
494 | &result_type, &value); | |
495 | if (**strp != ')') | |
496 | return "missing ')'"; | |
497 | ++*strp; | |
498 | *valuep = value; | |
499 | return errmsg; | |
500 | } | |
501 | else if (strncasecmp (*strp + 1, "gotofffuncdesc12(", 17) == 0) | |
502 | { | |
503 | *strp += 18; | |
504 | errmsg = cgen_parse_address (cd, strp, opindex, | |
505 | BFD_RELOC_FRV_FUNCDESC_GOTOFF12, | |
506 | &result_type, &value); | |
507 | if (**strp != ')') | |
508 | return "missing ')'"; | |
509 | ++*strp; | |
510 | *valuep = value; | |
511 | return errmsg; | |
512 | } | |
fd3c93d5 DB |
513 | } |
514 | return cgen_parse_signed_integer (cd, strp, opindex, valuep); | |
515 | } | |
516 | ||
517 | static const char * | |
518 | parse_s12 (cd, strp, opindex, valuep) | |
519 | CGEN_CPU_DESC cd; | |
520 | const char **strp; | |
521 | int opindex; | |
522 | long *valuep; | |
523 | { | |
524 | const char *errmsg; | |
525 | enum cgen_parse_operand_result result_type; | |
526 | bfd_vma value; | |
527 | ||
528 | /* Check for small data reference. */ | |
529 | if ((**strp == '#' || **strp == '%') | |
530 | && strncasecmp (*strp + 1, "gprel12(", 8) == 0) | |
531 | { | |
532 | *strp += 9; | |
533 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPREL12, | |
534 | &result_type, &value); | |
535 | if (**strp != ')') | |
536 | return "missing `)'"; | |
537 | ++*strp; | |
538 | *valuep = value; | |
539 | return errmsg; | |
540 | } | |
ba2d3f07 AO |
541 | else if ((**strp == '#' || **strp == '%') |
542 | && strncasecmp (*strp + 1, "got12(", 6) == 0) | |
543 | { | |
544 | *strp += 7; | |
545 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GOT12, | |
546 | &result_type, &value); | |
547 | if (**strp != ')') | |
548 | return "missing ')'"; | |
549 | ++*strp; | |
550 | *valuep = value; | |
551 | return errmsg; | |
552 | } | |
553 | else if ((**strp == '#' || **strp == '%') | |
554 | && strncasecmp (*strp + 1, "gotfuncdesc12(", 14) == 0) | |
555 | { | |
556 | *strp += 15; | |
557 | errmsg = cgen_parse_address (cd, strp, opindex, | |
558 | BFD_RELOC_FRV_FUNCDESC_GOT12, | |
559 | &result_type, &value); | |
560 | if (**strp != ')') | |
561 | return "missing ')'"; | |
562 | ++*strp; | |
563 | *valuep = value; | |
564 | return errmsg; | |
565 | } | |
566 | else if ((**strp == '#' || **strp == '%') | |
567 | && strncasecmp (*strp + 1, "gotoff12(", 9) == 0) | |
568 | { | |
569 | *strp += 10; | |
570 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GOTOFF12, | |
571 | &result_type, &value); | |
572 | if (**strp != ')') | |
573 | return "missing ')'"; | |
574 | ++*strp; | |
575 | *valuep = value; | |
576 | return errmsg; | |
577 | } | |
578 | else if ((**strp == '#' || **strp == '%') | |
579 | && strncasecmp (*strp + 1, "gotofffuncdesc12(", 17) == 0) | |
580 | { | |
581 | *strp += 18; | |
582 | errmsg = cgen_parse_address (cd, strp, opindex, | |
583 | BFD_RELOC_FRV_FUNCDESC_GOTOFF12, | |
584 | &result_type, &value); | |
585 | if (**strp != ')') | |
586 | return "missing ')'"; | |
587 | ++*strp; | |
588 | *valuep = value; | |
589 | return errmsg; | |
590 | } | |
fd3c93d5 DB |
591 | else |
592 | { | |
593 | if (**strp == '#') | |
594 | ++*strp; | |
595 | return cgen_parse_signed_integer (cd, strp, opindex, valuep); | |
596 | } | |
597 | } | |
598 | ||
599 | static const char * | |
600 | parse_u12 (cd, strp, opindex, valuep) | |
601 | CGEN_CPU_DESC cd; | |
602 | const char **strp; | |
603 | int opindex; | |
604 | long *valuep; | |
605 | { | |
606 | const char *errmsg; | |
607 | enum cgen_parse_operand_result result_type; | |
608 | bfd_vma value; | |
609 | ||
610 | /* Check for small data reference. */ | |
611 | if ((**strp == '#' || **strp == '%') | |
612 | && strncasecmp (*strp + 1, "gprel12(", 8) == 0) | |
613 | { | |
614 | *strp += 9; | |
615 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_FRV_GPRELU12, | |
616 | &result_type, &value); | |
617 | if (**strp != ')') | |
618 | return "missing `)'"; | |
619 | ++*strp; | |
620 | *valuep = value; | |
621 | return errmsg; | |
622 | } | |
623 | else | |
624 | { | |
625 | if (**strp == '#') | |
626 | ++*strp; | |
627 | return cgen_parse_signed_integer (cd, strp, opindex, valuep); | |
628 | } | |
629 | } | |
630 | ||
ecd51ad3 DB |
631 | static const char * |
632 | parse_A (cd, strp, opindex, valuep, A) | |
633 | CGEN_CPU_DESC cd; | |
634 | const char **strp; | |
635 | int opindex; | |
636 | long *valuep; | |
637 | long A; | |
638 | { | |
639 | const char *errmsg; | |
640 | ||
641 | if (**strp == '#') | |
642 | ++*strp; | |
643 | ||
644 | errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, valuep); | |
645 | if (errmsg) | |
646 | return errmsg; | |
647 | ||
648 | if (*valuep != A) | |
649 | return "Value of A operand must be 0 or 1"; | |
650 | ||
651 | return NULL; | |
652 | } | |
653 | ||
654 | static const char * | |
655 | parse_A0 (cd, strp, opindex, valuep) | |
656 | CGEN_CPU_DESC cd; | |
657 | const char **strp; | |
658 | int opindex; | |
659 | long *valuep; | |
660 | { | |
661 | return parse_A (cd, strp, opindex, valuep, 0); | |
662 | } | |
663 | ||
664 | static const char * | |
665 | parse_A1 (cd, strp, opindex, valuep) | |
666 | CGEN_CPU_DESC cd; | |
667 | const char **strp; | |
668 | int opindex; | |
669 | long *valuep; | |
670 | { | |
671 | return parse_A (cd, strp, opindex, valuep, 1); | |
672 | } | |
673 | ||
36c3ae24 NC |
674 | static const char * |
675 | parse_even_register (cd, strP, tableP, valueP) | |
676 | CGEN_CPU_DESC cd; | |
677 | const char ** strP; | |
678 | CGEN_KEYWORD * tableP; | |
679 | long * valueP; | |
680 | { | |
681 | const char * errmsg; | |
682 | const char * saved_star_strP = * strP; | |
683 | ||
684 | errmsg = cgen_parse_keyword (cd, strP, tableP, valueP); | |
685 | ||
686 | if (errmsg == NULL && ((* valueP) & 1)) | |
687 | { | |
688 | errmsg = _("register number must be even"); | |
689 | * strP = saved_star_strP; | |
690 | } | |
691 | ||
692 | return errmsg; | |
693 | } | |
fd3c93d5 DB |
694 | /* -- */ |
695 | ||
696 | const char * frv_cgen_parse_operand | |
697 | PARAMS ((CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *)); | |
698 | ||
699 | /* Main entry point for operand parsing. | |
700 | ||
701 | This function is basically just a big switch statement. Earlier versions | |
702 | used tables to look up the function to use, but | |
703 | - if the table contains both assembler and disassembler functions then | |
704 | the disassembler contains much of the assembler and vice-versa, | |
705 | - there's a lot of inlining possibilities as things grow, | |
706 | - using a switch statement avoids the function call overhead. | |
707 | ||
708 | This function could be moved into `parse_insn_normal', but keeping it | |
709 | separate makes clear the interface between `parse_insn_normal' and each of | |
710 | the handlers. */ | |
711 | ||
712 | const char * | |
713 | frv_cgen_parse_operand (cd, opindex, strp, fields) | |
714 | CGEN_CPU_DESC cd; | |
715 | int opindex; | |
716 | const char ** strp; | |
717 | CGEN_FIELDS * fields; | |
718 | { | |
719 | const char * errmsg = NULL; | |
720 | /* Used by scalar operands that still need to be parsed. */ | |
721 | long junk ATTRIBUTE_UNUSED; | |
722 | ||
723 | switch (opindex) | |
724 | { | |
ecd51ad3 DB |
725 | case FRV_OPERAND_A0 : |
726 | errmsg = parse_A0 (cd, strp, FRV_OPERAND_A0, &fields->f_A); | |
727 | break; | |
728 | case FRV_OPERAND_A1 : | |
729 | errmsg = parse_A1 (cd, strp, FRV_OPERAND_A1, &fields->f_A); | |
fd3c93d5 DB |
730 | break; |
731 | case FRV_OPERAND_ACC40SI : | |
732 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Si); | |
733 | break; | |
734 | case FRV_OPERAND_ACC40SK : | |
735 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Sk); | |
736 | break; | |
737 | case FRV_OPERAND_ACC40UI : | |
738 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Ui); | |
739 | break; | |
740 | case FRV_OPERAND_ACC40UK : | |
741 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_acc_names, & fields->f_ACC40Uk); | |
742 | break; | |
743 | case FRV_OPERAND_ACCGI : | |
744 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_accg_names, & fields->f_ACCGi); | |
745 | break; | |
746 | case FRV_OPERAND_ACCGK : | |
747 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_accg_names, & fields->f_ACCGk); | |
748 | break; | |
749 | case FRV_OPERAND_CCI : | |
750 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CCi); | |
751 | break; | |
752 | case FRV_OPERAND_CPRDOUBLEK : | |
f7c541f6 | 753 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRk); |
fd3c93d5 DB |
754 | break; |
755 | case FRV_OPERAND_CPRI : | |
756 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRi); | |
757 | break; | |
758 | case FRV_OPERAND_CPRJ : | |
759 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRj); | |
760 | break; | |
761 | case FRV_OPERAND_CPRK : | |
762 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cpr_names, & fields->f_CPRk); | |
763 | break; | |
764 | case FRV_OPERAND_CRI : | |
765 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRi); | |
766 | break; | |
767 | case FRV_OPERAND_CRJ : | |
768 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj); | |
769 | break; | |
770 | case FRV_OPERAND_CRJ_FLOAT : | |
771 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj_float); | |
772 | break; | |
773 | case FRV_OPERAND_CRJ_INT : | |
774 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRj_int); | |
775 | break; | |
776 | case FRV_OPERAND_CRK : | |
777 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_cccr_names, & fields->f_CRk); | |
778 | break; | |
779 | case FRV_OPERAND_FCCI_1 : | |
780 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_1); | |
781 | break; | |
782 | case FRV_OPERAND_FCCI_2 : | |
783 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_2); | |
784 | break; | |
785 | case FRV_OPERAND_FCCI_3 : | |
786 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCi_3); | |
787 | break; | |
788 | case FRV_OPERAND_FCCK : | |
789 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fccr_names, & fields->f_FCCk); | |
790 | break; | |
791 | case FRV_OPERAND_FRDOUBLEI : | |
f7c541f6 | 792 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi); |
fd3c93d5 DB |
793 | break; |
794 | case FRV_OPERAND_FRDOUBLEJ : | |
f7c541f6 | 795 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj); |
fd3c93d5 DB |
796 | break; |
797 | case FRV_OPERAND_FRDOUBLEK : | |
f7c541f6 | 798 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk); |
fd3c93d5 DB |
799 | break; |
800 | case FRV_OPERAND_FRI : | |
801 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi); | |
802 | break; | |
803 | case FRV_OPERAND_FRINTI : | |
804 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi); | |
805 | break; | |
36c3ae24 NC |
806 | case FRV_OPERAND_FRINTIEVEN : |
807 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRi); | |
808 | break; | |
fd3c93d5 DB |
809 | case FRV_OPERAND_FRINTJ : |
810 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj); | |
811 | break; | |
36c3ae24 NC |
812 | case FRV_OPERAND_FRINTJEVEN : |
813 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj); | |
814 | break; | |
fd3c93d5 DB |
815 | case FRV_OPERAND_FRINTK : |
816 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk); | |
817 | break; | |
36c3ae24 NC |
818 | case FRV_OPERAND_FRINTKEVEN : |
819 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk); | |
820 | break; | |
fd3c93d5 DB |
821 | case FRV_OPERAND_FRJ : |
822 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRj); | |
823 | break; | |
824 | case FRV_OPERAND_FRK : | |
825 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk); | |
826 | break; | |
827 | case FRV_OPERAND_FRKHI : | |
828 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk); | |
829 | break; | |
830 | case FRV_OPERAND_FRKLO : | |
831 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_fr_names, & fields->f_FRk); | |
832 | break; | |
833 | case FRV_OPERAND_GRDOUBLEK : | |
f7c541f6 | 834 | errmsg = parse_even_register (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk); |
fd3c93d5 DB |
835 | break; |
836 | case FRV_OPERAND_GRI : | |
837 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRi); | |
838 | break; | |
839 | case FRV_OPERAND_GRJ : | |
840 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRj); | |
841 | break; | |
842 | case FRV_OPERAND_GRK : | |
843 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk); | |
844 | break; | |
845 | case FRV_OPERAND_GRKHI : | |
846 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk); | |
847 | break; | |
848 | case FRV_OPERAND_GRKLO : | |
849 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_gr_names, & fields->f_GRk); | |
850 | break; | |
851 | case FRV_OPERAND_ICCI_1 : | |
852 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_1); | |
853 | break; | |
854 | case FRV_OPERAND_ICCI_2 : | |
855 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_2); | |
856 | break; | |
857 | case FRV_OPERAND_ICCI_3 : | |
858 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_iccr_names, & fields->f_ICCi_3); | |
859 | break; | |
860 | case FRV_OPERAND_LI : | |
861 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LI, &fields->f_LI); | |
862 | break; | |
676a64f4 RS |
863 | case FRV_OPERAND_LRAD : |
864 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LRAD, &fields->f_LRAD); | |
865 | break; | |
866 | case FRV_OPERAND_LRAE : | |
867 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LRAE, &fields->f_LRAE); | |
868 | break; | |
869 | case FRV_OPERAND_LRAS : | |
870 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LRAS, &fields->f_LRAS); | |
871 | break; | |
872 | case FRV_OPERAND_TLBPRL : | |
873 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_TLBPRL, &fields->f_TLBPRL); | |
874 | break; | |
875 | case FRV_OPERAND_TLBPROPX : | |
876 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_TLBPROPX, &fields->f_TLBPRopx); | |
877 | break; | |
fd3c93d5 DB |
878 | case FRV_OPERAND_AE : |
879 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_AE, &fields->f_ae); | |
880 | break; | |
881 | case FRV_OPERAND_CCOND : | |
882 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_CCOND, &fields->f_ccond); | |
883 | break; | |
884 | case FRV_OPERAND_COND : | |
885 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_COND, &fields->f_cond); | |
886 | break; | |
887 | case FRV_OPERAND_D12 : | |
888 | errmsg = parse_d12 (cd, strp, FRV_OPERAND_D12, &fields->f_d12); | |
889 | break; | |
890 | case FRV_OPERAND_DEBUG : | |
891 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_DEBUG, &fields->f_debug); | |
892 | break; | |
893 | case FRV_OPERAND_EIR : | |
894 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_EIR, &fields->f_eir); | |
895 | break; | |
896 | case FRV_OPERAND_HINT : | |
897 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_HINT, &fields->f_hint); | |
898 | break; | |
899 | case FRV_OPERAND_HINT_NOT_TAKEN : | |
900 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_hint_not_taken, & fields->f_hint); | |
901 | break; | |
902 | case FRV_OPERAND_HINT_TAKEN : | |
903 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_hint_taken, & fields->f_hint); | |
904 | break; | |
905 | case FRV_OPERAND_LABEL16 : | |
906 | { | |
907 | bfd_vma value; | |
908 | errmsg = cgen_parse_address (cd, strp, FRV_OPERAND_LABEL16, 0, NULL, & value); | |
909 | fields->f_label16 = value; | |
910 | } | |
911 | break; | |
912 | case FRV_OPERAND_LABEL24 : | |
913 | { | |
914 | bfd_vma value; | |
915 | errmsg = cgen_parse_address (cd, strp, FRV_OPERAND_LABEL24, 0, NULL, & value); | |
916 | fields->f_label24 = value; | |
917 | } | |
918 | break; | |
919 | case FRV_OPERAND_LOCK : | |
920 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_LOCK, &fields->f_lock); | |
921 | break; | |
922 | case FRV_OPERAND_PACK : | |
923 | errmsg = cgen_parse_keyword (cd, strp, & frv_cgen_opval_h_pack, & fields->f_pack); | |
924 | break; | |
925 | case FRV_OPERAND_S10 : | |
926 | errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S10, &fields->f_s10); | |
927 | break; | |
928 | case FRV_OPERAND_S12 : | |
929 | errmsg = parse_s12 (cd, strp, FRV_OPERAND_S12, &fields->f_d12); | |
930 | break; | |
931 | case FRV_OPERAND_S16 : | |
932 | errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S16, &fields->f_s16); | |
933 | break; | |
934 | case FRV_OPERAND_S5 : | |
935 | errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S5, &fields->f_s5); | |
936 | break; | |
937 | case FRV_OPERAND_S6 : | |
938 | errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S6, &fields->f_s6); | |
939 | break; | |
940 | case FRV_OPERAND_S6_1 : | |
941 | errmsg = cgen_parse_signed_integer (cd, strp, FRV_OPERAND_S6_1, &fields->f_s6_1); | |
942 | break; | |
943 | case FRV_OPERAND_SLO16 : | |
944 | errmsg = parse_uslo16 (cd, strp, FRV_OPERAND_SLO16, &fields->f_s16); | |
945 | break; | |
946 | case FRV_OPERAND_SPR : | |
947 | errmsg = parse_spr (cd, strp, & frv_cgen_opval_spr_names, & fields->f_spr); | |
948 | break; | |
949 | case FRV_OPERAND_U12 : | |
950 | errmsg = parse_u12 (cd, strp, FRV_OPERAND_U12, &fields->f_u12); | |
951 | break; | |
952 | case FRV_OPERAND_U16 : | |
953 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_U16, &fields->f_u16); | |
954 | break; | |
955 | case FRV_OPERAND_U6 : | |
956 | errmsg = cgen_parse_unsigned_integer (cd, strp, FRV_OPERAND_U6, &fields->f_u6); | |
957 | break; | |
958 | case FRV_OPERAND_UHI16 : | |
959 | errmsg = parse_uhi16 (cd, strp, FRV_OPERAND_UHI16, &fields->f_u16); | |
960 | break; | |
961 | case FRV_OPERAND_ULO16 : | |
962 | errmsg = parse_ulo16 (cd, strp, FRV_OPERAND_ULO16, &fields->f_u16); | |
963 | break; | |
964 | ||
965 | default : | |
966 | /* xgettext:c-format */ | |
967 | fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex); | |
968 | abort (); | |
969 | } | |
970 | ||
971 | return errmsg; | |
972 | } | |
973 | ||
974 | cgen_parse_fn * const frv_cgen_parse_handlers[] = | |
975 | { | |
976 | parse_insn_normal, | |
977 | }; | |
978 | ||
979 | void | |
980 | frv_cgen_init_asm (cd) | |
981 | CGEN_CPU_DESC cd; | |
982 | { | |
983 | frv_cgen_init_opcode_table (cd); | |
984 | frv_cgen_init_ibld_table (cd); | |
985 | cd->parse_handlers = & frv_cgen_parse_handlers[0]; | |
986 | cd->parse_operand = frv_cgen_parse_operand; | |
987 | } | |
988 | ||
989 | \f | |
990 | ||
991 | /* Regex construction routine. | |
992 | ||
993 | This translates an opcode syntax string into a regex string, | |
994 | by replacing any non-character syntax element (such as an | |
995 | opcode) with the pattern '.*' | |
996 | ||
997 | It then compiles the regex and stores it in the opcode, for | |
998 | later use by frv_cgen_assemble_insn | |
999 | ||
1000 | Returns NULL for success, an error message for failure. */ | |
1001 | ||
1002 | char * | |
ffead7ae | 1003 | frv_cgen_build_insn_regex (CGEN_INSN *insn) |
fd3c93d5 DB |
1004 | { |
1005 | CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn); | |
1006 | const char *mnem = CGEN_INSN_MNEMONIC (insn); | |
1007 | char rxbuf[CGEN_MAX_RX_ELEMENTS]; | |
1008 | char *rx = rxbuf; | |
1009 | const CGEN_SYNTAX_CHAR_TYPE *syn; | |
1010 | int reg_err; | |
1011 | ||
1012 | syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc)); | |
1013 | ||
1014 | /* Mnemonics come first in the syntax string. */ | |
1015 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) | |
1016 | return _("missing mnemonic in syntax string"); | |
1017 | ++syn; | |
1018 | ||
1019 | /* Generate a case sensitive regular expression that emulates case | |
1020 | insensitive matching in the "C" locale. We cannot generate a case | |
1021 | insensitive regular expression because in Turkish locales, 'i' and 'I' | |
1022 | are not equal modulo case conversion. */ | |
1023 | ||
1024 | /* Copy the literal mnemonic out of the insn. */ | |
1025 | for (; *mnem; mnem++) | |
1026 | { | |
1027 | char c = *mnem; | |
1028 | ||
1029 | if (ISALPHA (c)) | |
1030 | { | |
1031 | *rx++ = '['; | |
1032 | *rx++ = TOLOWER (c); | |
1033 | *rx++ = TOUPPER (c); | |
1034 | *rx++ = ']'; | |
1035 | } | |
1036 | else | |
1037 | *rx++ = c; | |
1038 | } | |
1039 | ||
1040 | /* Copy any remaining literals from the syntax string into the rx. */ | |
1041 | for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn) | |
1042 | { | |
1043 | if (CGEN_SYNTAX_CHAR_P (* syn)) | |
1044 | { | |
1045 | char c = CGEN_SYNTAX_CHAR (* syn); | |
1046 | ||
1047 | switch (c) | |
1048 | { | |
1049 | /* Escape any regex metacharacters in the syntax. */ | |
1050 | case '.': case '[': case '\\': | |
1051 | case '*': case '^': case '$': | |
1052 | ||
1053 | #ifdef CGEN_ESCAPE_EXTENDED_REGEX | |
1054 | case '?': case '{': case '}': | |
1055 | case '(': case ')': case '*': | |
1056 | case '|': case '+': case ']': | |
1057 | #endif | |
1058 | *rx++ = '\\'; | |
1059 | *rx++ = c; | |
1060 | break; | |
1061 | ||
1062 | default: | |
1063 | if (ISALPHA (c)) | |
1064 | { | |
1065 | *rx++ = '['; | |
1066 | *rx++ = TOLOWER (c); | |
1067 | *rx++ = TOUPPER (c); | |
1068 | *rx++ = ']'; | |
1069 | } | |
1070 | else | |
1071 | *rx++ = c; | |
1072 | break; | |
1073 | } | |
1074 | } | |
1075 | else | |
1076 | { | |
1077 | /* Replace non-syntax fields with globs. */ | |
1078 | *rx++ = '.'; | |
1079 | *rx++ = '*'; | |
1080 | } | |
1081 | } | |
1082 | ||
1083 | /* Trailing whitespace ok. */ | |
1084 | * rx++ = '['; | |
1085 | * rx++ = ' '; | |
1086 | * rx++ = '\t'; | |
1087 | * rx++ = ']'; | |
1088 | * rx++ = '*'; | |
1089 | ||
1090 | /* But anchor it after that. */ | |
1091 | * rx++ = '$'; | |
1092 | * rx = '\0'; | |
1093 | ||
1094 | CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t)); | |
1095 | reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB); | |
1096 | ||
1097 | if (reg_err == 0) | |
1098 | return NULL; | |
1099 | else | |
1100 | { | |
1101 | static char msg[80]; | |
1102 | ||
1103 | regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80); | |
1104 | regfree ((regex_t *) CGEN_INSN_RX (insn)); | |
1105 | free (CGEN_INSN_RX (insn)); | |
1106 | (CGEN_INSN_RX (insn)) = NULL; | |
1107 | return msg; | |
1108 | } | |
1109 | } | |
1110 | ||
1111 | \f | |
1112 | /* Default insn parser. | |
1113 | ||
1114 | The syntax string is scanned and operands are parsed and stored in FIELDS. | |
1115 | Relocs are queued as we go via other callbacks. | |
1116 | ||
1117 | ??? Note that this is currently an all-or-nothing parser. If we fail to | |
1118 | parse the instruction, we return 0 and the caller will start over from | |
1119 | the beginning. Backtracking will be necessary in parsing subexpressions, | |
1120 | but that can be handled there. Not handling backtracking here may get | |
1121 | expensive in the case of the m68k. Deal with later. | |
1122 | ||
1123 | Returns NULL for success, an error message for failure. */ | |
1124 | ||
1125 | static const char * | |
ffead7ae MM |
1126 | parse_insn_normal (CGEN_CPU_DESC cd, |
1127 | const CGEN_INSN *insn, | |
1128 | const char **strp, | |
1129 | CGEN_FIELDS *fields) | |
fd3c93d5 DB |
1130 | { |
1131 | /* ??? Runtime added insns not handled yet. */ | |
1132 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); | |
1133 | const char *str = *strp; | |
1134 | const char *errmsg; | |
1135 | const char *p; | |
1136 | const CGEN_SYNTAX_CHAR_TYPE * syn; | |
1137 | #ifdef CGEN_MNEMONIC_OPERANDS | |
1138 | /* FIXME: wip */ | |
1139 | int past_opcode_p; | |
1140 | #endif | |
1141 | ||
1142 | /* For now we assume the mnemonic is first (there are no leading operands). | |
1143 | We can parse it without needing to set up operand parsing. | |
1144 | GAS's input scrubber will ensure mnemonics are lowercase, but we may | |
1145 | not be called from GAS. */ | |
1146 | p = CGEN_INSN_MNEMONIC (insn); | |
1147 | while (*p && TOLOWER (*p) == TOLOWER (*str)) | |
1148 | ++p, ++str; | |
1149 | ||
1150 | if (* p) | |
1151 | return _("unrecognized instruction"); | |
1152 | ||
1153 | #ifndef CGEN_MNEMONIC_OPERANDS | |
1154 | if (* str && ! ISSPACE (* str)) | |
1155 | return _("unrecognized instruction"); | |
1156 | #endif | |
1157 | ||
1158 | CGEN_INIT_PARSE (cd); | |
1159 | cgen_init_parse_operand (cd); | |
1160 | #ifdef CGEN_MNEMONIC_OPERANDS | |
1161 | past_opcode_p = 0; | |
1162 | #endif | |
1163 | ||
1164 | /* We don't check for (*str != '\0') here because we want to parse | |
1165 | any trailing fake arguments in the syntax string. */ | |
1166 | syn = CGEN_SYNTAX_STRING (syntax); | |
1167 | ||
1168 | /* Mnemonics come first for now, ensure valid string. */ | |
1169 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) | |
1170 | abort (); | |
1171 | ||
1172 | ++syn; | |
1173 | ||
1174 | while (* syn != 0) | |
1175 | { | |
1176 | /* Non operand chars must match exactly. */ | |
1177 | if (CGEN_SYNTAX_CHAR_P (* syn)) | |
1178 | { | |
1179 | /* FIXME: While we allow for non-GAS callers above, we assume the | |
1180 | first char after the mnemonic part is a space. */ | |
1181 | /* FIXME: We also take inappropriate advantage of the fact that | |
1182 | GAS's input scrubber will remove extraneous blanks. */ | |
1183 | if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn))) | |
1184 | { | |
1185 | #ifdef CGEN_MNEMONIC_OPERANDS | |
1186 | if (CGEN_SYNTAX_CHAR(* syn) == ' ') | |
1187 | past_opcode_p = 1; | |
1188 | #endif | |
1189 | ++ syn; | |
1190 | ++ str; | |
1191 | } | |
1192 | else if (*str) | |
1193 | { | |
1194 | /* Syntax char didn't match. Can't be this insn. */ | |
1195 | static char msg [80]; | |
1196 | ||
1197 | /* xgettext:c-format */ | |
1198 | sprintf (msg, _("syntax error (expected char `%c', found `%c')"), | |
1199 | CGEN_SYNTAX_CHAR(*syn), *str); | |
1200 | return msg; | |
1201 | } | |
1202 | else | |
1203 | { | |
1204 | /* Ran out of input. */ | |
1205 | static char msg [80]; | |
1206 | ||
1207 | /* xgettext:c-format */ | |
1208 | sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"), | |
1209 | CGEN_SYNTAX_CHAR(*syn)); | |
1210 | return msg; | |
1211 | } | |
1212 | continue; | |
1213 | } | |
1214 | ||
1215 | /* We have an operand of some sort. */ | |
1216 | errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), | |
1217 | &str, fields); | |
1218 | if (errmsg) | |
1219 | return errmsg; | |
1220 | ||
1221 | /* Done with this operand, continue with next one. */ | |
1222 | ++ syn; | |
1223 | } | |
1224 | ||
1225 | /* If we're at the end of the syntax string, we're done. */ | |
1226 | if (* syn == 0) | |
1227 | { | |
1228 | /* FIXME: For the moment we assume a valid `str' can only contain | |
1229 | blanks now. IE: We needn't try again with a longer version of | |
1230 | the insn and it is assumed that longer versions of insns appear | |
1231 | before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */ | |
1232 | while (ISSPACE (* str)) | |
1233 | ++ str; | |
1234 | ||
1235 | if (* str != '\0') | |
1236 | return _("junk at end of line"); /* FIXME: would like to include `str' */ | |
1237 | ||
1238 | return NULL; | |
1239 | } | |
1240 | ||
1241 | /* We couldn't parse it. */ | |
1242 | return _("unrecognized instruction"); | |
1243 | } | |
1244 | \f | |
1245 | /* Main entry point. | |
1246 | This routine is called for each instruction to be assembled. | |
1247 | STR points to the insn to be assembled. | |
1248 | We assume all necessary tables have been initialized. | |
1249 | The assembled instruction, less any fixups, is stored in BUF. | |
1250 | Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value | |
1251 | still needs to be converted to target byte order, otherwise BUF is an array | |
1252 | of bytes in target byte order. | |
1253 | The result is a pointer to the insn's entry in the opcode table, | |
1254 | or NULL if an error occured (an error message will have already been | |
1255 | printed). | |
1256 | ||
1257 | Note that when processing (non-alias) macro-insns, | |
1258 | this function recurses. | |
1259 | ||
1260 | ??? It's possible to make this cpu-independent. | |
1261 | One would have to deal with a few minor things. | |
1262 | At this point in time doing so would be more of a curiosity than useful | |
1263 | [for example this file isn't _that_ big], but keeping the possibility in | |
1264 | mind helps keep the design clean. */ | |
1265 | ||
1266 | const CGEN_INSN * | |
ffead7ae MM |
1267 | frv_cgen_assemble_insn (CGEN_CPU_DESC cd, |
1268 | const char *str, | |
1269 | CGEN_FIELDS *fields, | |
1270 | CGEN_INSN_BYTES_PTR buf, | |
1271 | char **errmsg) | |
fd3c93d5 DB |
1272 | { |
1273 | const char *start; | |
1274 | CGEN_INSN_LIST *ilist; | |
1275 | const char *parse_errmsg = NULL; | |
1276 | const char *insert_errmsg = NULL; | |
1277 | int recognized_mnemonic = 0; | |
1278 | ||
1279 | /* Skip leading white space. */ | |
1280 | while (ISSPACE (* str)) | |
1281 | ++ str; | |
1282 | ||
1283 | /* The instructions are stored in hashed lists. | |
1284 | Get the first in the list. */ | |
1285 | ilist = CGEN_ASM_LOOKUP_INSN (cd, str); | |
1286 | ||
1287 | /* Keep looking until we find a match. */ | |
1288 | start = str; | |
1289 | for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist)) | |
1290 | { | |
1291 | const CGEN_INSN *insn = ilist->insn; | |
1292 | recognized_mnemonic = 1; | |
1293 | ||
1294 | #ifdef CGEN_VALIDATE_INSN_SUPPORTED | |
1295 | /* Not usually needed as unsupported opcodes | |
1296 | shouldn't be in the hash lists. */ | |
1297 | /* Is this insn supported by the selected cpu? */ | |
1298 | if (! frv_cgen_insn_supported (cd, insn)) | |
1299 | continue; | |
1300 | #endif | |
b11dcf4e | 1301 | /* If the RELAXED attribute is set, this is an insn that shouldn't be |
fd3c93d5 DB |
1302 | chosen immediately. Instead, it is used during assembler/linker |
1303 | relaxation if possible. */ | |
b11dcf4e | 1304 | if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0) |
fd3c93d5 DB |
1305 | continue; |
1306 | ||
1307 | str = start; | |
1308 | ||
1309 | /* Skip this insn if str doesn't look right lexically. */ | |
1310 | if (CGEN_INSN_RX (insn) != NULL && | |
1311 | regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH) | |
1312 | continue; | |
1313 | ||
1314 | /* Allow parse/insert handlers to obtain length of insn. */ | |
1315 | CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); | |
1316 | ||
1317 | parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields); | |
1318 | if (parse_errmsg != NULL) | |
1319 | continue; | |
1320 | ||
1321 | /* ??? 0 is passed for `pc'. */ | |
1322 | insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf, | |
1323 | (bfd_vma) 0); | |
1324 | if (insert_errmsg != NULL) | |
1325 | continue; | |
1326 | ||
1327 | /* It is up to the caller to actually output the insn and any | |
1328 | queued relocs. */ | |
1329 | return insn; | |
1330 | } | |
1331 | ||
1332 | { | |
1333 | static char errbuf[150]; | |
1334 | #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS | |
1335 | const char *tmp_errmsg; | |
1336 | ||
1337 | /* If requesting verbose error messages, use insert_errmsg. | |
1338 | Failing that, use parse_errmsg. */ | |
1339 | tmp_errmsg = (insert_errmsg ? insert_errmsg : | |
1340 | parse_errmsg ? parse_errmsg : | |
1341 | recognized_mnemonic ? | |
1342 | _("unrecognized form of instruction") : | |
1343 | _("unrecognized instruction")); | |
1344 | ||
1345 | if (strlen (start) > 50) | |
1346 | /* xgettext:c-format */ | |
1347 | sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start); | |
1348 | else | |
1349 | /* xgettext:c-format */ | |
1350 | sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start); | |
1351 | #else | |
1352 | if (strlen (start) > 50) | |
1353 | /* xgettext:c-format */ | |
1354 | sprintf (errbuf, _("bad instruction `%.50s...'"), start); | |
1355 | else | |
1356 | /* xgettext:c-format */ | |
1357 | sprintf (errbuf, _("bad instruction `%.50s'"), start); | |
1358 | #endif | |
1359 | ||
1360 | *errmsg = errbuf; | |
1361 | return NULL; | |
1362 | } | |
1363 | } | |
1364 | \f | |
1365 | #if 0 /* This calls back to GAS which we can't do without care. */ | |
1366 | ||
1367 | /* Record each member of OPVALS in the assembler's symbol table. | |
1368 | This lets GAS parse registers for us. | |
1369 | ??? Interesting idea but not currently used. */ | |
1370 | ||
1371 | /* Record each member of OPVALS in the assembler's symbol table. | |
1372 | FIXME: Not currently used. */ | |
1373 | ||
1374 | void | |
ffead7ae | 1375 | frv_cgen_asm_hash_keywords (CGEN_CPU_DESC cd, CGEN_KEYWORD *opvals) |
fd3c93d5 DB |
1376 | { |
1377 | CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL); | |
1378 | const CGEN_KEYWORD_ENTRY * ke; | |
1379 | ||
1380 | while ((ke = cgen_keyword_search_next (& search)) != NULL) | |
1381 | { | |
1382 | #if 0 /* Unnecessary, should be done in the search routine. */ | |
1383 | if (! frv_cgen_opval_supported (ke)) | |
1384 | continue; | |
1385 | #endif | |
1386 | cgen_asm_record_register (cd, ke->name, ke->value); | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | #endif /* 0 */ |