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49f58d10 | 1 | /* m32c opcode support. -*- C -*- |
0a665bfd JB |
2 | |
3 | Copyright 2005 Free Software Foundation, Inc. | |
4 | ||
5 | Contributed by Red Hat Inc; developed under contract from Renesas | |
6 | ||
7 | This file is part of the GNU Binutils. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ | |
49f58d10 JB |
22 | |
23 | /* This file is an addendum to m32c.cpu. Heavy use of C code isn't | |
24 | appropriate in .cpu files, so it resides here. This especially applies | |
25 | to assembly/disassembly where parsing/printing can be quite involved. | |
26 | Such things aren't really part of the specification of the cpu, per se, | |
27 | so .cpu files provide the general framework and .opc files handle the | |
28 | nitty-gritty details as necessary. | |
29 | ||
30 | Each section is delimited with start and end markers. | |
31 | ||
32 | <arch>-opc.h additions use: "-- opc.h" | |
33 | <arch>-opc.c additions use: "-- opc.c" | |
34 | <arch>-asm.c additions use: "-- asm.c" | |
35 | <arch>-dis.c additions use: "-- dis.c" | |
e729279b | 36 | <arch>-ibd.h additions use: "-- ibd.h". */ |
49f58d10 JB |
37 | \f |
38 | /* -- opc.h */ | |
39 | ||
40 | /* Needed for RTL's 'ext' and 'trunc' operators. */ | |
41 | #include "cgen-types.h" | |
42 | #include "cgen-ops.h" | |
43 | ||
44 | /* We can't use the default hash size because many bits are used by | |
45 | operands. */ | |
46 | #define CGEN_DIS_HASH_SIZE 1 | |
47 | #define CGEN_DIS_HASH(buf, value) 0 | |
48 | #define CGEN_VERBOSE_ASSEMBLER_ERRORS | |
49 | #define CGEN_VALIDATE_INSN_SUPPORTED | |
50 | ||
51 | extern int m32c_cgen_insn_supported (CGEN_CPU_DESC, const CGEN_INSN *); | |
52 | ||
53 | #define CGEN_ASM_HASH_SIZE 0xffff | |
54 | #define CGEN_ASM_HASH(mnem) m32c_asm_hash ((mnem)) | |
55 | ||
56 | /* -- */ | |
57 | \f | |
58 | /* -- opc.c */ | |
59 | static unsigned int | |
60 | m32c_asm_hash (const char *mnem) | |
61 | { | |
62 | unsigned int h; | |
63 | ||
64 | /* The length of the mnemonic for the Jcnd insns is 1. Hash jsri. */ | |
65 | if (mnem[0] == 'j' && mnem[1] != 's') | |
66 | return 'j'; | |
67 | ||
68 | /* Don't hash scCND */ | |
69 | if (mnem[0] == 's' && mnem[1] == 'c') | |
70 | return 's'; | |
71 | ||
72 | for (h = 0; *mnem && *mnem != ' ' && *mnem != ':'; ++mnem) | |
73 | h += *mnem; | |
74 | return h % CGEN_ASM_HASH_SIZE; | |
75 | } | |
76 | \f | |
77 | /* -- asm.c */ | |
e729279b | 78 | #include "safe-ctype.h" |
49f58d10 JB |
79 | |
80 | #define MACH_M32C 5 /* Must match md_begin. */ | |
81 | ||
82 | static int | |
83 | m32c_cgen_isa_register (const char **strp) | |
84 | { | |
85 | int u; | |
86 | const char *s = *strp; | |
87 | static char * m32c_register_names [] = | |
88 | { | |
89 | "r0", "r1", "r2", "r3", "r0l", "r0h", "r1l", "r1h", | |
90 | "a0", "a1", "r2r0", "r3r1", "sp", "fb", "dct0", "dct1", "flg", "svf", | |
91 | "drc0", "drc1", "dmd0", "dmd1", "intb", "svp", "vct", "isp", "dma0", | |
92 | "dma1", "dra0", "dra1", "dsa0", "dsa1", 0 | |
93 | }; | |
94 | ||
95 | for (u = 0; m32c_register_names[u]; u++) | |
96 | { | |
97 | int len = strlen (m32c_register_names[u]); | |
98 | ||
99 | if (memcmp (m32c_register_names[u], s, len) == 0 | |
100 | && (s[len] == 0 || ! ISALNUM (s[len]))) | |
101 | return 1; | |
102 | } | |
103 | return 0; | |
104 | } | |
105 | ||
e729279b NC |
106 | #define PARSE_UNSIGNED \ |
107 | do \ | |
108 | { \ | |
109 | /* Don't successfully parse literals beginning with '['. */ \ | |
110 | if (**strp == '[') \ | |
111 | return "Invalid literal"; /* Anything -- will not be seen. */ \ | |
112 | \ | |
113 | errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value);\ | |
114 | if (errmsg) \ | |
115 | return errmsg; \ | |
116 | } \ | |
117 | while (0) | |
118 | ||
119 | #define PARSE_SIGNED \ | |
120 | do \ | |
121 | { \ | |
122 | /* Don't successfully parse literals beginning with '['. */ \ | |
123 | if (**strp == '[') \ | |
124 | return "Invalid literal"; /* Anything -- will not be seen. */ \ | |
125 | \ | |
126 | errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value); \ | |
127 | if (errmsg) \ | |
128 | return errmsg; \ | |
129 | } \ | |
130 | while (0) | |
131 | ||
49f58d10 JB |
132 | static const char * |
133 | parse_unsigned6 (CGEN_CPU_DESC cd, const char **strp, | |
134 | int opindex, unsigned long *valuep) | |
135 | { | |
136 | const char *errmsg = 0; | |
137 | unsigned long value; | |
49f58d10 | 138 | |
e729279b | 139 | PARSE_UNSIGNED; |
49f58d10 JB |
140 | |
141 | if (value > 0x3f) | |
142 | return _("imm:6 immediate is out of range"); | |
143 | ||
144 | *valuep = value; | |
145 | return 0; | |
146 | } | |
147 | ||
148 | static const char * | |
149 | parse_unsigned8 (CGEN_CPU_DESC cd, const char **strp, | |
150 | int opindex, unsigned long *valuep) | |
151 | { | |
152 | const char *errmsg = 0; | |
153 | unsigned long value; | |
154 | long have_zero = 0; | |
155 | ||
fd54057a DD |
156 | if (strncasecmp (*strp, "%dsp8(", 6) == 0) |
157 | { | |
158 | enum cgen_parse_operand_result result_type; | |
159 | bfd_vma value; | |
160 | const char *errmsg; | |
161 | ||
162 | *strp += 6; | |
163 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_8, | |
164 | & result_type, & value); | |
165 | if (**strp != ')') | |
166 | return _("missing `)'"); | |
167 | (*strp) ++; | |
168 | ||
169 | if (errmsg == NULL | |
170 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
171 | { | |
172 | return _("%dsp8() takes a symbolic address, not a number"); | |
173 | } | |
174 | *valuep = value; | |
175 | return errmsg; | |
176 | } | |
177 | ||
49f58d10 JB |
178 | if (strncmp (*strp, "0x0", 3) == 0 |
179 | || (**strp == '0' && *(*strp + 1) != 'x')) | |
180 | have_zero = 1; | |
181 | ||
e729279b | 182 | PARSE_UNSIGNED; |
49f58d10 JB |
183 | |
184 | if (value > 0xff) | |
185 | return _("dsp:8 immediate is out of range"); | |
186 | ||
187 | /* If this field may require a relocation then use larger dsp16. */ | |
188 | if (! have_zero && value == 0) | |
189 | return _("dsp:8 immediate is out of range"); | |
190 | ||
191 | *valuep = value; | |
192 | return 0; | |
193 | } | |
194 | ||
195 | static const char * | |
196 | parse_signed4 (CGEN_CPU_DESC cd, const char **strp, | |
197 | int opindex, signed long *valuep) | |
198 | { | |
199 | const char *errmsg = 0; | |
200 | signed long value; | |
201 | long have_zero = 0; | |
49f58d10 JB |
202 | |
203 | if (strncmp (*strp, "0x0", 3) == 0 | |
204 | || (**strp == '0' && *(*strp + 1) != 'x')) | |
205 | have_zero = 1; | |
206 | ||
e729279b | 207 | PARSE_SIGNED; |
49f58d10 JB |
208 | |
209 | if (value < -8 || value > 7) | |
210 | return _("Immediate is out of range -8 to 7"); | |
211 | ||
212 | /* If this field may require a relocation then use larger dsp16. */ | |
213 | if (! have_zero && value == 0) | |
214 | return _("Immediate is out of range -8 to 7"); | |
215 | ||
216 | *valuep = value; | |
217 | return 0; | |
218 | } | |
219 | ||
220 | static const char * | |
221 | parse_signed8 (CGEN_CPU_DESC cd, const char **strp, | |
222 | int opindex, signed long *valuep) | |
223 | { | |
224 | const char *errmsg = 0; | |
225 | signed long value; | |
fd54057a DD |
226 | |
227 | if (strncasecmp (*strp, "%hi8(", 5) == 0) | |
228 | { | |
229 | enum cgen_parse_operand_result result_type; | |
230 | bfd_vma value; | |
231 | const char *errmsg; | |
232 | ||
233 | *strp += 5; | |
234 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_M32C_HI8, | |
235 | & result_type, & value); | |
236 | if (**strp != ')') | |
237 | return _("missing `)'"); | |
238 | (*strp) ++; | |
239 | ||
240 | if (errmsg == NULL | |
241 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
242 | { | |
243 | value >>= 16; | |
244 | } | |
245 | *valuep = value; | |
246 | return errmsg; | |
247 | } | |
248 | ||
e729279b | 249 | PARSE_SIGNED; |
49f58d10 JB |
250 | |
251 | if (value <= 255 && value > 127) | |
252 | value -= 0x100; | |
253 | ||
254 | if (value < -128 || value > 127) | |
255 | return _("dsp:8 immediate is out of range"); | |
256 | ||
257 | *valuep = value; | |
258 | return 0; | |
259 | } | |
260 | ||
261 | static const char * | |
262 | parse_unsigned16 (CGEN_CPU_DESC cd, const char **strp, | |
263 | int opindex, unsigned long *valuep) | |
264 | { | |
265 | const char *errmsg = 0; | |
266 | unsigned long value; | |
267 | long have_zero = 0; | |
fd54057a DD |
268 | |
269 | if (strncasecmp (*strp, "%dsp16(", 7) == 0) | |
270 | { | |
271 | enum cgen_parse_operand_result result_type; | |
272 | bfd_vma value; | |
273 | const char *errmsg; | |
274 | ||
275 | *strp += 7; | |
276 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_16, | |
277 | & result_type, & value); | |
278 | if (**strp != ')') | |
279 | return _("missing `)'"); | |
280 | (*strp) ++; | |
281 | ||
282 | if (errmsg == NULL | |
283 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
284 | { | |
285 | return _("%dsp16() takes a symbolic address, not a number"); | |
286 | } | |
287 | *valuep = value; | |
288 | return errmsg; | |
289 | } | |
290 | ||
e729279b | 291 | /* Don't successfully parse literals beginning with '['. */ |
49f58d10 | 292 | if (**strp == '[') |
e729279b | 293 | return "Invalid literal"; /* Anything -- will not be seen. */ |
49f58d10 | 294 | |
e729279b | 295 | /* Don't successfully parse register names. */ |
49f58d10 | 296 | if (m32c_cgen_isa_register (strp)) |
e729279b | 297 | return "Invalid literal"; /* Anything -- will not be seen. */ |
49f58d10 JB |
298 | |
299 | if (strncmp (*strp, "0x0", 3) == 0 | |
300 | || (**strp == '0' && *(*strp + 1) != 'x')) | |
301 | have_zero = 1; | |
302 | ||
303 | errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value); | |
304 | if (errmsg) | |
305 | return errmsg; | |
306 | ||
307 | if (value > 0xffff) | |
308 | return _("dsp:16 immediate is out of range"); | |
309 | ||
310 | /* If this field may require a relocation then use larger dsp24. */ | |
311 | if (cd->machs == MACH_M32C && ! have_zero && value == 0 | |
312 | && (strncmp (*strp, "[a", 2) == 0 | |
313 | || **strp == ',' | |
314 | || **strp == 0)) | |
315 | return _("dsp:16 immediate is out of range"); | |
316 | ||
317 | *valuep = value; | |
318 | return 0; | |
319 | } | |
320 | ||
321 | static const char * | |
322 | parse_signed16 (CGEN_CPU_DESC cd, const char **strp, | |
323 | int opindex, signed long *valuep) | |
324 | { | |
325 | const char *errmsg = 0; | |
326 | signed long value; | |
49f58d10 | 327 | |
fd54057a DD |
328 | if (strncasecmp (*strp, "%lo16(", 6) == 0) |
329 | { | |
330 | enum cgen_parse_operand_result result_type; | |
331 | bfd_vma value; | |
332 | const char *errmsg; | |
333 | ||
334 | *strp += 6; | |
335 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16, | |
336 | & result_type, & value); | |
337 | if (**strp != ')') | |
338 | return _("missing `)'"); | |
339 | (*strp) ++; | |
340 | ||
341 | if (errmsg == NULL | |
342 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
343 | { | |
344 | value &= 0xffff; | |
345 | } | |
346 | *valuep = value; | |
347 | return errmsg; | |
348 | } | |
349 | ||
350 | if (strncasecmp (*strp, "%hi16(", 6) == 0) | |
351 | { | |
352 | enum cgen_parse_operand_result result_type; | |
353 | bfd_vma value; | |
354 | const char *errmsg; | |
355 | ||
356 | *strp += 6; | |
357 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16, | |
358 | & result_type, & value); | |
359 | if (**strp != ')') | |
360 | return _("missing `)'"); | |
361 | (*strp) ++; | |
362 | ||
363 | if (errmsg == NULL | |
364 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
365 | { | |
366 | value >>= 16; | |
367 | } | |
368 | *valuep = value; | |
369 | return errmsg; | |
370 | } | |
371 | ||
e729279b | 372 | PARSE_SIGNED; |
49f58d10 JB |
373 | |
374 | if (value <= 65535 && value > 32767) | |
375 | value -= 0x10000; | |
376 | ||
377 | if (value < -32768 || value > 32767) | |
378 | return _("dsp:16 immediate is out of range"); | |
379 | ||
380 | *valuep = value; | |
381 | return 0; | |
382 | } | |
383 | ||
384 | static const char * | |
385 | parse_unsigned20 (CGEN_CPU_DESC cd, const char **strp, | |
386 | int opindex, unsigned long *valuep) | |
387 | { | |
388 | const char *errmsg = 0; | |
389 | unsigned long value; | |
390 | ||
e729279b | 391 | /* Don't successfully parse literals beginning with '['. */ |
49f58d10 | 392 | if (**strp == '[') |
e729279b | 393 | return "Invalid literal"; /* Anything -- will not be seen. */ |
49f58d10 | 394 | |
e729279b | 395 | /* Don't successfully parse register names. */ |
49f58d10 | 396 | if (m32c_cgen_isa_register (strp)) |
e729279b | 397 | return "Invalid literal"; /* Anything -- will not be seen. */ |
49f58d10 JB |
398 | |
399 | errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value); | |
400 | if (errmsg) | |
401 | return errmsg; | |
402 | ||
403 | if (value > 0xfffff) | |
404 | return _("dsp:20 immediate is out of range"); | |
405 | ||
406 | *valuep = value; | |
407 | return 0; | |
408 | } | |
409 | ||
410 | static const char * | |
411 | parse_unsigned24 (CGEN_CPU_DESC cd, const char **strp, | |
412 | int opindex, unsigned long *valuep) | |
413 | { | |
414 | const char *errmsg = 0; | |
415 | unsigned long value; | |
416 | ||
e729279b | 417 | /* Don't successfully parse literals beginning with '['. */ |
49f58d10 | 418 | if (**strp == '[') |
e729279b | 419 | return "Invalid literal"; /* Anything -- will not be seen. */ |
49f58d10 | 420 | |
e729279b | 421 | /* Don't successfully parse register names. */ |
49f58d10 | 422 | if (m32c_cgen_isa_register (strp)) |
e729279b | 423 | return "Invalid literal"; /* Anything -- will not be seen. */ |
49f58d10 JB |
424 | |
425 | errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value); | |
426 | if (errmsg) | |
427 | return errmsg; | |
428 | ||
429 | if (value > 0xffffff) | |
430 | return _("dsp:24 immediate is out of range"); | |
431 | ||
432 | *valuep = value; | |
433 | return 0; | |
434 | } | |
435 | ||
f75eb1c0 DD |
436 | /* This should only be used for #imm->reg. */ |
437 | static const char * | |
438 | parse_signed24 (CGEN_CPU_DESC cd, const char **strp, | |
439 | int opindex, signed long *valuep) | |
440 | { | |
441 | const char *errmsg = 0; | |
442 | signed long value; | |
443 | ||
444 | PARSE_SIGNED; | |
445 | ||
446 | if (value <= 0xffffff && value > 0x7fffff) | |
447 | value -= 0x1000000; | |
448 | ||
449 | if (value > 0xffffff) | |
450 | return _("dsp:24 immediate is out of range"); | |
451 | ||
452 | *valuep = value; | |
453 | return 0; | |
454 | } | |
455 | ||
49f58d10 JB |
456 | static const char * |
457 | parse_signed32 (CGEN_CPU_DESC cd, const char **strp, | |
e729279b | 458 | int opindex, signed long *valuep) |
49f58d10 JB |
459 | { |
460 | const char *errmsg = 0; | |
461 | signed long value; | |
462 | ||
49f58d10 JB |
463 | errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value); |
464 | if (errmsg) | |
465 | return errmsg; | |
466 | ||
467 | *valuep = value; | |
468 | return 0; | |
469 | } | |
470 | ||
471 | static const char * | |
472 | parse_imm1_S (CGEN_CPU_DESC cd, const char **strp, | |
473 | int opindex, signed long *valuep) | |
474 | { | |
475 | const char *errmsg = 0; | |
476 | signed long value; | |
49f58d10 | 477 | |
e729279b | 478 | errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value); |
49f58d10 JB |
479 | if (errmsg) |
480 | return errmsg; | |
481 | ||
482 | if (value < 1 || value > 2) | |
483 | return _("immediate is out of range 1-2"); | |
484 | ||
485 | *valuep = value; | |
486 | return 0; | |
487 | } | |
488 | ||
489 | static const char * | |
490 | parse_imm3_S (CGEN_CPU_DESC cd, const char **strp, | |
491 | int opindex, signed long *valuep) | |
492 | { | |
493 | const char *errmsg = 0; | |
494 | signed long value; | |
495 | ||
e729279b | 496 | errmsg = cgen_parse_signed_integer (cd, strp, opindex, & value); |
49f58d10 JB |
497 | if (errmsg) |
498 | return errmsg; | |
499 | ||
500 | if (value < 1 || value > 8) | |
501 | return _("immediate is out of range 1-8"); | |
502 | ||
503 | *valuep = value; | |
504 | return 0; | |
505 | } | |
506 | ||
e729279b NC |
507 | static const char * |
508 | parse_lab_5_3 (CGEN_CPU_DESC cd, | |
509 | const char **strp, | |
510 | int opindex ATTRIBUTE_UNUSED, | |
511 | int opinfo, | |
512 | enum cgen_parse_operand_result *type_addr, | |
fd54057a | 513 | bfd_vma *valuep) |
e729279b NC |
514 | { |
515 | const char *errmsg = 0; | |
fd54057a | 516 | bfd_vma value; |
e729279b NC |
517 | enum cgen_parse_operand_result op_res; |
518 | ||
519 | errmsg = cgen_parse_address (cd, strp, M32C_OPERAND_LAB_5_3, | |
520 | opinfo, & op_res, & value); | |
521 | ||
522 | if (type_addr) | |
523 | *type_addr = op_res; | |
524 | ||
525 | if (op_res == CGEN_PARSE_OPERAND_ADDRESS) | |
526 | { | |
527 | /* This is a hack; the field cannot handle near-zero signed | |
528 | offsets that CGEN wants to put in to indicate an "empty" | |
529 | operand at first. */ | |
530 | *valuep = 2; | |
531 | return 0; | |
532 | } | |
533 | if (errmsg) | |
534 | return errmsg; | |
535 | ||
536 | if (value < 2 || value > 9) | |
537 | return _("immediate is out of range 2-9"); | |
538 | ||
539 | *valuep = value; | |
540 | return 0; | |
541 | } | |
542 | ||
49f58d10 JB |
543 | static const char * |
544 | parse_Bitno16R (CGEN_CPU_DESC cd, const char **strp, | |
545 | int opindex, unsigned long *valuep) | |
546 | { | |
547 | const char *errmsg = 0; | |
548 | unsigned long value; | |
549 | ||
49f58d10 JB |
550 | errmsg = cgen_parse_unsigned_integer (cd, strp, opindex, & value); |
551 | if (errmsg) | |
552 | return errmsg; | |
553 | ||
554 | if (value > 15) | |
555 | return _("Bit number for indexing general register is out of range 0-15"); | |
556 | ||
557 | *valuep = value; | |
558 | return 0; | |
559 | } | |
560 | ||
561 | static const char * | |
562 | parse_unsigned_bitbase (CGEN_CPU_DESC cd, const char **strp, | |
563 | int opindex, unsigned long *valuep, | |
564 | unsigned bits) | |
565 | { | |
566 | const char *errmsg = 0; | |
567 | unsigned long bit; | |
568 | unsigned long base; | |
569 | const char *newp = *strp; | |
570 | unsigned long long bitbase; | |
571 | ||
49f58d10 JB |
572 | errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & bit); |
573 | if (errmsg) | |
574 | return errmsg; | |
575 | ||
576 | if (*newp != ',') | |
577 | return "Missing base for bit,base:8"; | |
578 | ||
579 | ++newp; | |
580 | errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & base); | |
581 | if (errmsg) | |
582 | return errmsg; | |
583 | ||
e729279b | 584 | bitbase = (unsigned long long) bit + ((unsigned long long) base * 8); |
49f58d10 JB |
585 | |
586 | if (bitbase >= (1ull << bits)) | |
587 | return _("bit,base is out of range"); | |
588 | ||
589 | *valuep = bitbase; | |
590 | *strp = newp; | |
591 | return 0; | |
592 | } | |
593 | ||
594 | static const char * | |
595 | parse_signed_bitbase (CGEN_CPU_DESC cd, const char **strp, | |
596 | int opindex, signed long *valuep, | |
597 | unsigned bits) | |
598 | { | |
599 | const char *errmsg = 0; | |
600 | unsigned long bit; | |
601 | signed long base; | |
602 | const char *newp = *strp; | |
603 | long long bitbase; | |
604 | long long limit; | |
605 | ||
49f58d10 JB |
606 | errmsg = cgen_parse_unsigned_integer (cd, & newp, opindex, & bit); |
607 | if (errmsg) | |
608 | return errmsg; | |
609 | ||
610 | if (*newp != ',') | |
611 | return "Missing base for bit,base:8"; | |
612 | ||
613 | ++newp; | |
614 | errmsg = cgen_parse_signed_integer (cd, & newp, opindex, & base); | |
615 | if (errmsg) | |
616 | return errmsg; | |
617 | ||
618 | bitbase = (long long)bit + ((long long)base * 8); | |
619 | ||
620 | limit = 1ll << (bits - 1); | |
621 | if (bitbase < -limit || bitbase >= limit) | |
622 | return _("bit,base is out of range"); | |
623 | ||
624 | *valuep = bitbase; | |
625 | *strp = newp; | |
626 | return 0; | |
627 | } | |
628 | ||
629 | static const char * | |
630 | parse_unsigned_bitbase8 (CGEN_CPU_DESC cd, const char **strp, | |
631 | int opindex, unsigned long *valuep) | |
632 | { | |
633 | return parse_unsigned_bitbase (cd, strp, opindex, valuep, 8); | |
634 | } | |
635 | ||
636 | static const char * | |
637 | parse_unsigned_bitbase11 (CGEN_CPU_DESC cd, const char **strp, | |
638 | int opindex, unsigned long *valuep) | |
639 | { | |
640 | return parse_unsigned_bitbase (cd, strp, opindex, valuep, 11); | |
641 | } | |
642 | ||
643 | static const char * | |
644 | parse_unsigned_bitbase16 (CGEN_CPU_DESC cd, const char **strp, | |
645 | int opindex, unsigned long *valuep) | |
646 | { | |
647 | return parse_unsigned_bitbase (cd, strp, opindex, valuep, 16); | |
648 | } | |
649 | ||
650 | static const char * | |
651 | parse_unsigned_bitbase19 (CGEN_CPU_DESC cd, const char **strp, | |
652 | int opindex, unsigned long *valuep) | |
653 | { | |
654 | return parse_unsigned_bitbase (cd, strp, opindex, valuep, 19); | |
655 | } | |
656 | ||
657 | static const char * | |
658 | parse_unsigned_bitbase27 (CGEN_CPU_DESC cd, const char **strp, | |
659 | int opindex, unsigned long *valuep) | |
660 | { | |
661 | return parse_unsigned_bitbase (cd, strp, opindex, valuep, 27); | |
662 | } | |
663 | ||
664 | static const char * | |
665 | parse_signed_bitbase8 (CGEN_CPU_DESC cd, const char **strp, | |
666 | int opindex, signed long *valuep) | |
667 | { | |
668 | return parse_signed_bitbase (cd, strp, opindex, valuep, 8); | |
669 | } | |
670 | ||
671 | static const char * | |
672 | parse_signed_bitbase11 (CGEN_CPU_DESC cd, const char **strp, | |
673 | int opindex, signed long *valuep) | |
674 | { | |
675 | return parse_signed_bitbase (cd, strp, opindex, valuep, 11); | |
676 | } | |
677 | ||
678 | static const char * | |
679 | parse_signed_bitbase19 (CGEN_CPU_DESC cd, const char **strp, | |
680 | int opindex, signed long *valuep) | |
681 | { | |
682 | return parse_signed_bitbase (cd, strp, opindex, valuep, 19); | |
683 | } | |
684 | ||
685 | /* Parse the suffix as :<char> or as nothing followed by a whitespace. */ | |
e729279b | 686 | |
49f58d10 JB |
687 | static const char * |
688 | parse_suffix (const char **strp, char suffix) | |
689 | { | |
690 | const char *newp = *strp; | |
691 | ||
e729279b | 692 | if (**strp == ':' && TOLOWER (*(*strp + 1)) == suffix) |
49f58d10 JB |
693 | newp = *strp + 2; |
694 | ||
e729279b | 695 | if (ISSPACE (*newp)) |
49f58d10 JB |
696 | { |
697 | *strp = newp; | |
698 | return 0; | |
699 | } | |
700 | ||
e729279b | 701 | return "Invalid suffix"; /* Anything -- will not be seen. */ |
49f58d10 JB |
702 | } |
703 | ||
704 | static const char * | |
705 | parse_S (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, | |
706 | int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED) | |
707 | { | |
708 | return parse_suffix (strp, 's'); | |
709 | } | |
710 | ||
711 | static const char * | |
712 | parse_G (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, | |
713 | int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED) | |
714 | { | |
715 | return parse_suffix (strp, 'g'); | |
716 | } | |
717 | ||
718 | static const char * | |
719 | parse_Q (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, | |
720 | int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED) | |
721 | { | |
722 | return parse_suffix (strp, 'q'); | |
723 | } | |
724 | ||
725 | static const char * | |
726 | parse_Z (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, | |
727 | int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED) | |
728 | { | |
729 | return parse_suffix (strp, 'z'); | |
730 | } | |
731 | ||
732 | /* Parse an empty suffix. Fail if the next char is ':'. */ | |
e729279b | 733 | |
49f58d10 JB |
734 | static const char * |
735 | parse_X (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, | |
736 | int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED) | |
737 | { | |
738 | if (**strp == ':') | |
739 | return "Unexpected suffix"; | |
740 | return 0; | |
741 | } | |
742 | ||
743 | static const char * | |
744 | parse_r0l_r0h (CGEN_CPU_DESC cd, const char **strp, | |
745 | int opindex ATTRIBUTE_UNUSED, signed long *valuep) | |
746 | { | |
747 | const char *errmsg; | |
748 | signed long value; | |
749 | signed long junk; | |
750 | const char *newp = *strp; | |
751 | ||
e729279b | 752 | /* Parse r0[hl]. */ |
49f58d10 JB |
753 | errmsg = cgen_parse_keyword (cd, & newp, & m32c_cgen_opval_h_r0l_r0h, & value); |
754 | if (errmsg) | |
755 | return errmsg; | |
756 | ||
757 | if (*newp != ',') | |
e729279b | 758 | return _("not a valid r0l/r0h pair"); |
49f58d10 JB |
759 | ++newp; |
760 | ||
e729279b | 761 | /* Parse the second register in the pair. */ |
49f58d10 JB |
762 | if (value == 0) /* r0l */ |
763 | errmsg = cgen_parse_keyword (cd, & newp, & m32c_cgen_opval_h_r0h, & junk); | |
764 | else | |
765 | errmsg = cgen_parse_keyword (cd, & newp, & m32c_cgen_opval_h_r0l, & junk); | |
766 | if (errmsg) | |
767 | return errmsg; | |
768 | ||
769 | *strp = newp; | |
770 | *valuep = ! value; | |
771 | return 0; | |
772 | } | |
773 | ||
e729279b NC |
774 | /* Accept .b or .w in any case. */ |
775 | ||
49f58d10 JB |
776 | static const char * |
777 | parse_size (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, const char **strp, | |
778 | int opindex ATTRIBUTE_UNUSED, signed long *valuep ATTRIBUTE_UNUSED) | |
779 | { | |
780 | if (**strp == '.' | |
781 | && (*(*strp + 1) == 'b' || *(*strp + 1) == 'B' | |
782 | || *(*strp + 1) == 'w' || *(*strp + 1) == 'W')) | |
783 | { | |
784 | *strp += 2; | |
e729279b | 785 | return NULL; |
49f58d10 | 786 | } |
e729279b NC |
787 | |
788 | return _("Invalid size specifier"); | |
49f58d10 JB |
789 | } |
790 | ||
e729279b NC |
791 | /* Special check to ensure that instruction exists for given machine. */ |
792 | ||
49f58d10 JB |
793 | int |
794 | m32c_cgen_insn_supported (CGEN_CPU_DESC cd, | |
795 | const CGEN_INSN *insn) | |
796 | { | |
797 | int machs = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_MACH); | |
aa260854 | 798 | int isas = CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_ISA); |
49f58d10 | 799 | |
e729279b | 800 | /* If attributes are absent, assume no restriction. */ |
49f58d10 JB |
801 | if (machs == 0) |
802 | machs = ~0; | |
803 | ||
aa260854 JB |
804 | return ((machs & cd->machs) |
805 | && (isas & cd->isas)); | |
49f58d10 JB |
806 | } |
807 | ||
808 | /* Parse a set of registers, R0,R1,A0,A1,SB,FB. */ | |
809 | ||
810 | static const char * | |
811 | parse_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
812 | const char **strp, | |
813 | int opindex ATTRIBUTE_UNUSED, | |
814 | unsigned long *valuep, | |
e729279b | 815 | int push) |
49f58d10 JB |
816 | { |
817 | const char *errmsg = 0; | |
818 | int regno = 0; | |
819 | ||
820 | *valuep = 0; | |
821 | while (**strp && **strp != ')') | |
822 | { | |
823 | if (**strp == 'r' || **strp == 'R') | |
824 | { | |
825 | ++*strp; | |
826 | regno = **strp - '0'; | |
827 | if (regno > 4) | |
828 | errmsg = _("Register number is not valid"); | |
829 | } | |
830 | else if (**strp == 'a' || **strp == 'A') | |
831 | { | |
832 | ++*strp; | |
833 | regno = **strp - '0'; | |
834 | if (regno > 2) | |
835 | errmsg = _("Register number is not valid"); | |
836 | regno = **strp - '0' + 4; | |
837 | } | |
838 | ||
839 | else if (strncasecmp (*strp, "sb", 2) == 0 || strncasecmp (*strp, "SB", 2) == 0) | |
840 | { | |
841 | regno = 6; | |
842 | ++*strp; | |
843 | } | |
844 | ||
845 | else if (strncasecmp (*strp, "fb", 2) == 0 || strncasecmp (*strp, "FB", 2) == 0) | |
846 | { | |
847 | regno = 7; | |
848 | ++*strp; | |
849 | } | |
850 | ||
851 | if (push) /* Mask is reversed for push. */ | |
852 | *valuep |= 0x80 >> regno; | |
853 | else | |
854 | *valuep |= 1 << regno; | |
855 | ||
856 | ++*strp; | |
857 | if (**strp == ',') | |
858 | { | |
859 | if (*(*strp + 1) == ')') | |
860 | break; | |
861 | ++*strp; | |
862 | } | |
863 | } | |
864 | ||
865 | if (!*strp) | |
866 | errmsg = _("Register list is not valid"); | |
867 | ||
868 | return errmsg; | |
869 | } | |
870 | ||
e729279b | 871 | #define POP 0 |
49f58d10 JB |
872 | #define PUSH 1 |
873 | ||
874 | static const char * | |
875 | parse_pop_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b NC |
876 | const char **strp, |
877 | int opindex ATTRIBUTE_UNUSED, | |
878 | unsigned long *valuep) | |
49f58d10 JB |
879 | { |
880 | return parse_regset (cd, strp, opindex, valuep, POP); | |
881 | } | |
882 | ||
883 | static const char * | |
884 | parse_push_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b NC |
885 | const char **strp, |
886 | int opindex ATTRIBUTE_UNUSED, | |
887 | unsigned long *valuep) | |
49f58d10 JB |
888 | { |
889 | return parse_regset (cd, strp, opindex, valuep, PUSH); | |
890 | } | |
891 | ||
892 | /* -- dis.c */ | |
893 | ||
894 | #include "elf/m32c.h" | |
895 | #include "elf-bfd.h" | |
896 | ||
e729279b NC |
897 | /* Always print the short insn format suffix as ':<char>'. */ |
898 | ||
49f58d10 | 899 | static void |
e729279b | 900 | print_suffix (void * dis_info, char suffix) |
49f58d10 JB |
901 | { |
902 | disassemble_info *info = dis_info; | |
e729279b | 903 | |
49f58d10 JB |
904 | (*info->fprintf_func) (info->stream, ":%c", suffix); |
905 | } | |
906 | ||
907 | static void | |
908 | print_S (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 909 | void * dis_info, |
49f58d10 JB |
910 | long value ATTRIBUTE_UNUSED, |
911 | unsigned int attrs ATTRIBUTE_UNUSED, | |
912 | bfd_vma pc ATTRIBUTE_UNUSED, | |
913 | int length ATTRIBUTE_UNUSED) | |
914 | { | |
915 | print_suffix (dis_info, 's'); | |
916 | } | |
917 | ||
918 | ||
919 | static void | |
920 | print_G (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 921 | void * dis_info, |
49f58d10 JB |
922 | long value ATTRIBUTE_UNUSED, |
923 | unsigned int attrs ATTRIBUTE_UNUSED, | |
924 | bfd_vma pc ATTRIBUTE_UNUSED, | |
925 | int length ATTRIBUTE_UNUSED) | |
926 | { | |
927 | print_suffix (dis_info, 'g'); | |
928 | } | |
929 | ||
930 | static void | |
931 | print_Q (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 932 | void * dis_info, |
49f58d10 JB |
933 | long value ATTRIBUTE_UNUSED, |
934 | unsigned int attrs ATTRIBUTE_UNUSED, | |
935 | bfd_vma pc ATTRIBUTE_UNUSED, | |
936 | int length ATTRIBUTE_UNUSED) | |
937 | { | |
938 | print_suffix (dis_info, 'q'); | |
939 | } | |
940 | ||
941 | static void | |
942 | print_Z (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 943 | void * dis_info, |
49f58d10 JB |
944 | long value ATTRIBUTE_UNUSED, |
945 | unsigned int attrs ATTRIBUTE_UNUSED, | |
946 | bfd_vma pc ATTRIBUTE_UNUSED, | |
947 | int length ATTRIBUTE_UNUSED) | |
948 | { | |
949 | print_suffix (dis_info, 'z'); | |
950 | } | |
951 | ||
e729279b NC |
952 | /* Print the empty suffix. */ |
953 | ||
49f58d10 JB |
954 | static void |
955 | print_X (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 956 | void * dis_info ATTRIBUTE_UNUSED, |
49f58d10 JB |
957 | long value ATTRIBUTE_UNUSED, |
958 | unsigned int attrs ATTRIBUTE_UNUSED, | |
959 | bfd_vma pc ATTRIBUTE_UNUSED, | |
960 | int length ATTRIBUTE_UNUSED) | |
961 | { | |
962 | return; | |
963 | } | |
964 | ||
965 | static void | |
966 | print_r0l_r0h (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 967 | void * dis_info, |
49f58d10 JB |
968 | long value, |
969 | unsigned int attrs ATTRIBUTE_UNUSED, | |
970 | bfd_vma pc ATTRIBUTE_UNUSED, | |
971 | int length ATTRIBUTE_UNUSED) | |
972 | { | |
973 | disassemble_info *info = dis_info; | |
e729279b | 974 | |
49f58d10 JB |
975 | if (value == 0) |
976 | (*info->fprintf_func) (info->stream, "r0h,r0l"); | |
977 | else | |
978 | (*info->fprintf_func) (info->stream, "r0l,r0h"); | |
979 | } | |
980 | ||
981 | static void | |
982 | print_unsigned_bitbase (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 983 | void * dis_info, |
49f58d10 JB |
984 | unsigned long value, |
985 | unsigned int attrs ATTRIBUTE_UNUSED, | |
986 | bfd_vma pc ATTRIBUTE_UNUSED, | |
987 | int length ATTRIBUTE_UNUSED) | |
988 | { | |
989 | disassemble_info *info = dis_info; | |
e729279b | 990 | |
49f58d10 JB |
991 | (*info->fprintf_func) (info->stream, "%ld,0x%lx", value & 0x7, value >> 3); |
992 | } | |
993 | ||
994 | static void | |
995 | print_signed_bitbase (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 996 | void * dis_info, |
49f58d10 JB |
997 | signed long value, |
998 | unsigned int attrs ATTRIBUTE_UNUSED, | |
999 | bfd_vma pc ATTRIBUTE_UNUSED, | |
1000 | int length ATTRIBUTE_UNUSED) | |
1001 | { | |
1002 | disassemble_info *info = dis_info; | |
e729279b | 1003 | |
49f58d10 JB |
1004 | (*info->fprintf_func) (info->stream, "%ld,%ld", value & 0x7, value >> 3); |
1005 | } | |
1006 | ||
1007 | static void | |
1008 | print_size (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b | 1009 | void * dis_info, |
49f58d10 JB |
1010 | long value ATTRIBUTE_UNUSED, |
1011 | unsigned int attrs ATTRIBUTE_UNUSED, | |
1012 | bfd_vma pc ATTRIBUTE_UNUSED, | |
1013 | int length ATTRIBUTE_UNUSED) | |
1014 | { | |
e729279b | 1015 | /* Always print the size as '.w'. */ |
49f58d10 | 1016 | disassemble_info *info = dis_info; |
e729279b | 1017 | |
49f58d10 JB |
1018 | (*info->fprintf_func) (info->stream, ".w"); |
1019 | } | |
1020 | ||
e729279b | 1021 | #define POP 0 |
49f58d10 JB |
1022 | #define PUSH 1 |
1023 | ||
e729279b NC |
1024 | static void print_pop_regset (CGEN_CPU_DESC, void *, long, unsigned int, bfd_vma, int); |
1025 | static void print_push_regset (CGEN_CPU_DESC, void *, long, unsigned int, bfd_vma, int); | |
49f58d10 JB |
1026 | |
1027 | /* Print a set of registers, R0,R1,A0,A1,SB,FB. */ | |
1028 | ||
1029 | static void | |
1030 | print_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b NC |
1031 | void * dis_info, |
1032 | long value, | |
1033 | unsigned int attrs ATTRIBUTE_UNUSED, | |
1034 | bfd_vma pc ATTRIBUTE_UNUSED, | |
1035 | int length ATTRIBUTE_UNUSED, | |
1036 | int push) | |
49f58d10 JB |
1037 | { |
1038 | static char * m16c_register_names [] = | |
e729279b NC |
1039 | { |
1040 | "r0", "r1", "r2", "r3", "a0", "a1", "sb", "fb" | |
1041 | }; | |
49f58d10 JB |
1042 | disassemble_info *info = dis_info; |
1043 | int mask; | |
1044 | int index = 0; | |
1045 | char* comma = ""; | |
1046 | ||
1047 | if (push) | |
1048 | mask = 0x80; | |
1049 | else | |
1050 | mask = 1; | |
1051 | ||
1052 | if (value & mask) | |
1053 | { | |
1054 | (*info->fprintf_func) (info->stream, "%s", m16c_register_names [0]); | |
1055 | comma = ","; | |
1056 | } | |
1057 | ||
1058 | for (index = 1; index <= 7; ++index) | |
1059 | { | |
1060 | if (push) | |
1061 | mask >>= 1; | |
1062 | else | |
1063 | mask <<= 1; | |
1064 | ||
1065 | if (value & mask) | |
1066 | { | |
1067 | (*info->fprintf_func) (info->stream, "%s%s", comma, | |
1068 | m16c_register_names [index]); | |
1069 | comma = ","; | |
1070 | } | |
1071 | } | |
1072 | } | |
1073 | ||
1074 | static void | |
1075 | print_pop_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b NC |
1076 | void * dis_info, |
1077 | long value, | |
1078 | unsigned int attrs ATTRIBUTE_UNUSED, | |
1079 | bfd_vma pc ATTRIBUTE_UNUSED, | |
1080 | int length ATTRIBUTE_UNUSED) | |
49f58d10 JB |
1081 | { |
1082 | print_regset (cd, dis_info, value, attrs, pc, length, POP); | |
1083 | } | |
1084 | ||
1085 | static void | |
1086 | print_push_regset (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, | |
e729279b NC |
1087 | void * dis_info, |
1088 | long value, | |
1089 | unsigned int attrs ATTRIBUTE_UNUSED, | |
1090 | bfd_vma pc ATTRIBUTE_UNUSED, | |
1091 | int length ATTRIBUTE_UNUSED) | |
49f58d10 JB |
1092 | { |
1093 | print_regset (cd, dis_info, value, attrs, pc, length, PUSH); | |
1094 | } |