Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Disassemble h8300 instructions. |
20dc5b5a | 2 | Copyright 1993, 1994, 1996, 1998, 2000, 2001, 2002, 2003 |
56da5fed | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
18 | ||
19 | #define DEFINE_TABLE | |
20 | ||
0d8dfecf | 21 | #include "sysdep.h" |
252b5132 RH |
22 | #define h8_opcodes h8ops |
23 | #include "opcode/h8300.h" | |
24 | #include "dis-asm.h" | |
25 | #include "opintl.h" | |
a3e64b75 KD |
26 | #include "libiberty.h" |
27 | ||
28 | struct h8_instruction | |
29 | { | |
30 | int length; | |
31 | const struct h8_opcode *opcode; | |
32 | }; | |
33 | ||
34 | struct h8_instruction *h8_instructions; | |
252b5132 | 35 | |
d83c6548 | 36 | static void bfd_h8_disassemble_init PARAMS ((void)); |
20dc5b5a MS |
37 | static void print_one_arg PARAMS ((disassemble_info *, bfd_vma, op_type, |
38 | int, int, int, int, const char **, int)); | |
39 | static unsigned int bfd_h8_disassemble PARAMS ((bfd_vma, | |
40 | disassemble_info *, | |
41 | int)); | |
42 | static void extract_immediate PARAMS ((FILE *, | |
43 | op_type, int, | |
44 | unsigned char *, | |
45 | int *, int *, | |
46 | const struct h8_opcode *)); | |
47 | ||
48 | static void print_colon_thingie PARAMS ((op_type *)); | |
49 | ||
50 | static void | |
51 | print_colon_thingie (op_type *nib) | |
52 | { | |
53 | switch (*nib & SIZE) { | |
54 | case L_2: fprintf (stdout, "2"); break; | |
55 | case L_3: | |
56 | case L_3NZ: fprintf (stdout, "3"); break; | |
57 | case L_4: fprintf (stdout, "4"); break; | |
58 | case L_5: fprintf (stdout, "5"); break; | |
59 | case L_8: fprintf (stdout, "8"); break; | |
60 | case L_16: | |
61 | case L_16U: fprintf (stdout, "16"); break; | |
62 | case L_24: fprintf (stdout, "24"); break; | |
63 | case L_32: fprintf (stdout, "32"); break; | |
64 | } | |
65 | } | |
d83c6548 | 66 | |
252b5132 | 67 | /* Run through the opcodes and sort them into order to make them easy |
3903e627 | 68 | to disassemble. */ |
20dc5b5a | 69 | |
252b5132 RH |
70 | static void |
71 | bfd_h8_disassemble_init () | |
72 | { | |
73 | unsigned int i; | |
a3e64b75 KD |
74 | unsigned int nopcodes; |
75 | const struct h8_opcode *p; | |
76 | struct h8_instruction *pi; | |
252b5132 | 77 | |
a3e64b75 | 78 | nopcodes = sizeof (h8_opcodes) / sizeof (struct h8_opcode); |
b34976b6 | 79 | |
a3e64b75 KD |
80 | h8_instructions = (struct h8_instruction *) |
81 | xmalloc (nopcodes * sizeof (struct h8_instruction)); | |
82 | ||
83 | for (p = h8_opcodes, pi = h8_instructions; p->name; p++, pi++) | |
252b5132 RH |
84 | { |
85 | int n1 = 0; | |
86 | int n2 = 0; | |
87 | ||
88 | if ((int) p->data.nib[0] < 16) | |
5fec0fc5 | 89 | n1 = (int) p->data.nib[0]; |
252b5132 RH |
90 | else |
91 | n1 = 0; | |
53d388d1 | 92 | |
252b5132 | 93 | if ((int) p->data.nib[1] < 16) |
5fec0fc5 | 94 | n2 = (int) p->data.nib[1]; |
252b5132 RH |
95 | else |
96 | n2 = 0; | |
97 | ||
98 | /* Just make sure there are an even number of nibbles in it, and | |
3903e627 | 99 | that the count is the same as the length. */ |
20dc5b5a | 100 | for (i = 0; p->data.nib[i] != (op_type) E; i++) |
53d388d1 JL |
101 | ; |
102 | ||
252b5132 | 103 | if (i & 1) |
20dc5b5a MS |
104 | { |
105 | fprintf (stderr, "Internal error, h8_disassemble_init.\n"); | |
106 | abort (); | |
107 | } | |
53d388d1 | 108 | |
a3e64b75 KD |
109 | pi->length = i / 2; |
110 | pi->opcode = p; | |
252b5132 | 111 | } |
a3e64b75 KD |
112 | |
113 | /* Add entry for the NULL vector terminator. */ | |
114 | pi->length = 0; | |
115 | pi->opcode = p; | |
252b5132 RH |
116 | } |
117 | ||
20dc5b5a MS |
118 | static void |
119 | extract_immediate (stream, looking_for, thisnib, data, cst, len, q) | |
120 | FILE *stream; | |
121 | op_type looking_for; | |
122 | int thisnib; | |
123 | unsigned char *data; | |
124 | int *cst, *len; | |
125 | const struct h8_opcode *q; | |
126 | { | |
127 | switch (looking_for & SIZE) | |
128 | { | |
129 | case L_2: | |
130 | *len = 2; | |
131 | *cst = thisnib & 3; | |
132 | ||
133 | /* DISP2 special treatment. */ | |
134 | if ((looking_for & MODE) == DISP) | |
135 | { | |
136 | if (OP_KIND (q->how) == O_MOVAB || | |
137 | OP_KIND (q->how) == O_MOVAW || | |
138 | OP_KIND (q->how) == O_MOVAL) | |
139 | { | |
140 | /* Handling for mova insn. */ | |
141 | switch (q->args.nib[0] & MODE) { | |
142 | case INDEXB: | |
143 | default: | |
144 | break; | |
145 | case INDEXW: | |
146 | *cst *= 2; | |
147 | break; | |
148 | case INDEXL: | |
149 | *cst *= 4; | |
150 | break; | |
151 | } | |
152 | } | |
153 | else | |
154 | { | |
155 | /* Handling for non-mova insn. */ | |
156 | switch (OP_SIZE (q->how)) { | |
157 | default: break; | |
158 | case SW: | |
159 | *cst *= 2; | |
160 | break; | |
161 | case SL: | |
162 | *cst *= 4; | |
163 | break; | |
164 | } | |
165 | } | |
166 | } | |
167 | break; | |
168 | case L_8: | |
169 | *len = 8; | |
170 | *cst = data[0]; | |
171 | break; | |
172 | case L_16: | |
173 | case L_16U: | |
174 | *len = 16; | |
175 | *cst = (data[0] << 8) + data [1]; | |
176 | #if 0 | |
177 | if ((looking_for & SIZE) == L_16) | |
178 | *cst = (short) *cst; /* sign extend */ | |
179 | #endif | |
180 | break; | |
181 | case L_32: | |
182 | *len = 32; | |
183 | *cst = (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3]; | |
184 | break; | |
185 | default: | |
186 | *len = 0; | |
187 | *cst = 0; | |
188 | fprintf (stream, "DISP bad size\n"); | |
189 | break; | |
190 | } | |
191 | } | |
192 | ||
193 | static const char *regnames[] = | |
194 | { | |
195 | "r0h", "r1h", "r2h", "r3h", "r4h", "r5h", "r6h", "r7h", | |
196 | "r0l", "r1l", "r2l", "r3l", "r4l", "r5l", "r6l", "r7l" | |
197 | }; | |
198 | static const char *wregnames[] = | |
199 | { | |
200 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", | |
201 | "e0", "e1", "e2", "e3", "e4", "e5", "e6", "e7" | |
202 | }; | |
203 | static const char *lregnames[] = | |
204 | { | |
205 | "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7", | |
206 | "er0", "er1", "er2", "er3", "er4", "er5", "er6", "er7" | |
207 | }; | |
208 | static const char *cregnames[] = | |
209 | { | |
210 | "ccr", "exr", "mach", "macl", "", "", "vbr", "sbr" | |
211 | }; | |
212 | ||
213 | static void | |
214 | print_one_arg (info, addr, x, cst, cstlen, rdisp_n, rn, pregnames, len) | |
252b5132 | 215 | disassemble_info *info; |
20dc5b5a MS |
216 | bfd_vma addr; |
217 | op_type x; | |
218 | int cst, cstlen, rdisp_n, rn; | |
219 | const char **pregnames; | |
220 | int len; | |
252b5132 | 221 | { |
20dc5b5a MS |
222 | void *stream = info->stream; |
223 | fprintf_ftype outfn = info->fprintf_func; | |
224 | ||
225 | if ((x & SIZE) == L_3 || | |
226 | (x & SIZE) == L_3NZ) | |
227 | { | |
228 | outfn (stream, "#0x%x", (unsigned) cst); | |
229 | } | |
230 | else if ((x & MODE) == IMM) | |
231 | { | |
232 | outfn (stream, "#0x%x", (unsigned) cst); | |
233 | } | |
234 | else if ((x & MODE) == DBIT || | |
235 | (x & MODE) == KBIT) | |
236 | { | |
237 | outfn (stream, "#%d", (unsigned) cst); | |
238 | } | |
239 | else if ((x & MODE) == CONST_2) | |
240 | outfn (stream, "#2"); | |
241 | else if ((x & MODE) == CONST_4) | |
242 | outfn (stream, "#4"); | |
243 | else if ((x & MODE) == CONST_8) | |
244 | outfn (stream, "#8"); | |
245 | else if ((x & MODE) == CONST_16) | |
246 | outfn (stream, "#16"); | |
247 | else if ((x & MODE) == REG) | |
248 | { | |
249 | switch (x & SIZE) | |
250 | { | |
251 | case L_8: | |
252 | outfn (stream, "%s", regnames[rn]); | |
253 | break; | |
254 | case L_16: | |
255 | case L_16U: | |
256 | outfn (stream, "%s", wregnames[rn]); | |
257 | break; | |
258 | case L_P: | |
259 | case L_32: | |
260 | outfn (stream, "%s", lregnames[rn]); | |
261 | break; | |
262 | } | |
263 | } | |
264 | else if ((x & MODE) == LOWREG) | |
265 | { | |
266 | switch (x & SIZE) | |
267 | { | |
268 | case L_8: | |
269 | /* Always take low half of reg. */ | |
270 | outfn (stream, "%s.b", regnames[rn < 8 ? rn + 8 : rn]); | |
271 | break; | |
272 | case L_16: | |
273 | case L_16U: | |
274 | /* Always take low half of reg. */ | |
275 | outfn (stream, "%s.w", wregnames[rn < 8 ? rn : rn - 8]); | |
276 | break; | |
277 | case L_P: | |
278 | case L_32: | |
279 | outfn (stream, "%s.l", lregnames[rn]); | |
280 | break; | |
281 | } | |
282 | } | |
283 | else if ((x & MODE) == POSTINC) | |
284 | { | |
285 | outfn (stream, "@%s+", pregnames[rn]); | |
286 | } | |
287 | else if ((x & MODE) == POSTDEC) | |
288 | { | |
289 | outfn (stream, "@%s-", pregnames[rn]); | |
290 | } | |
291 | else if ((x & MODE) == PREINC) | |
292 | { | |
293 | outfn (stream, "@+%s", pregnames[rn]); | |
294 | } | |
295 | else if ((x & MODE) == PREDEC) | |
296 | { | |
297 | outfn (stream, "@-%s", pregnames[rn]); | |
298 | } | |
299 | else if ((x & MODE) == IND) | |
300 | { | |
301 | outfn (stream, "@%s", pregnames[rn]); | |
302 | } | |
303 | else if ((x & MODE) == ABS || (x & ABSJMP)) | |
304 | { | |
305 | outfn (stream, "@0x%x:%d", (unsigned) cst, cstlen); | |
306 | } | |
307 | else if ((x & MODE) == MEMIND) | |
308 | { | |
309 | outfn (stream, "@@%d (0x%x)", cst, cst); | |
310 | } | |
311 | else if ((x & MODE) == VECIND) | |
312 | { | |
313 | /* FIXME Multiplier should be 2 or 4, depending on processor mode, | |
314 | by which is meant "normal" vs. "middle", "advanced", "maximum". */ | |
315 | ||
316 | int offset = (cst + 0x80) * 4; | |
317 | outfn (stream, "@@%d (0x%x)", offset, offset); | |
318 | } | |
319 | else if ((x & MODE) == PCREL) | |
320 | { | |
321 | if ((x & SIZE) == L_16 || | |
322 | (x & SIZE) == L_16U) | |
323 | { | |
324 | outfn (stream, ".%s%d (0x%x)", | |
325 | (short) cst > 0 ? "+" : "", | |
326 | (short) cst, | |
327 | addr + (short) cst + len); | |
328 | } | |
329 | else | |
330 | { | |
331 | outfn (stream, ".%s%d (0x%x)", | |
332 | (char) cst > 0 ? "+" : "", | |
333 | (char) cst, | |
334 | addr + (char) cst + len); | |
335 | } | |
336 | } | |
337 | else if ((x & MODE) == DISP) | |
338 | { | |
339 | outfn (stream, "@(0x%x:%d,%s)", cst, cstlen, | |
340 | pregnames[rdisp_n]); | |
341 | } | |
342 | else if ((x & MODE) == INDEXB) | |
343 | { | |
344 | /* Always take low half of reg. */ | |
345 | outfn (stream, "@(0x%x:%d,%s.b)", cst, cstlen, | |
346 | regnames[rdisp_n < 8 ? rdisp_n + 8 : rdisp_n]); | |
347 | } | |
348 | else if ((x & MODE) == INDEXW) | |
252b5132 | 349 | { |
20dc5b5a MS |
350 | /* Always take low half of reg. */ |
351 | outfn (stream, "@(0x%x:%d,%s.w)", cst, cstlen, | |
352 | wregnames[rdisp_n < 8 ? rdisp_n : rdisp_n - 8]); | |
353 | } | |
354 | else if ((x & MODE) == INDEXL) | |
252b5132 | 355 | { |
20dc5b5a MS |
356 | outfn (stream, "@(0x%x:%d,%s.l)", cst, cstlen, |
357 | lregnames[rdisp_n]); | |
358 | } | |
359 | else if (x & CTRL) | |
252b5132 | 360 | { |
20dc5b5a MS |
361 | outfn (stream, cregnames[rn]); |
362 | } | |
363 | else if ((x & MODE) == CCR) | |
364 | { | |
365 | outfn (stream, "ccr"); | |
366 | } | |
367 | else if ((x & MODE) == EXR) | |
368 | { | |
369 | outfn (stream, "exr"); | |
370 | } | |
371 | else if ((x & MODE) == MACREG) | |
372 | { | |
373 | outfn (stream, "mac%c", cst ? 'l' : 'h'); | |
374 | } | |
375 | else | |
376 | /* xgettext:c-format */ | |
377 | outfn (stream, _("Hmmmm 0x%x"), x); | |
378 | } | |
379 | ||
380 | static unsigned int | |
381 | bfd_h8_disassemble (addr, info, mach) | |
382 | bfd_vma addr; | |
383 | disassemble_info *info; | |
384 | int mach; | |
385 | { | |
386 | /* Find the first entry in the table for this opcode. */ | |
387 | int regno[3] = { 0, 0, 0 }; | |
388 | int dispregno[3] = { 0, 0, 0 }; | |
389 | int cst[3] = { 0, 0, 0 }; | |
390 | int cstlen[3] = { 0, 0, 0 }; | |
b34976b6 | 391 | static bfd_boolean init = 0; |
a3e64b75 | 392 | const struct h8_instruction *qi; |
20dc5b5a | 393 | char const **pregnames = mach != 0 ? lregnames : wregnames; |
252b5132 | 394 | int status; |
20dc5b5a MS |
395 | unsigned int l; |
396 | unsigned char data[MAX_CODE_NIBBLES]; | |
252b5132 | 397 | void *stream = info->stream; |
20dc5b5a | 398 | fprintf_ftype outfn = info->fprintf_func; |
252b5132 RH |
399 | |
400 | if (!init) | |
401 | { | |
402 | bfd_h8_disassemble_init (); | |
403 | init = 1; | |
404 | } | |
405 | ||
3903e627 | 406 | status = info->read_memory_func (addr, data, 2, info); |
5fec0fc5 | 407 | if (status != 0) |
252b5132 | 408 | { |
3903e627 | 409 | info->memory_error_func (status, addr, info); |
252b5132 RH |
410 | return -1; |
411 | } | |
53d388d1 | 412 | |
20dc5b5a | 413 | for (l = 2; status == 0 && l < sizeof (data) / 2; l += 2) |
53d388d1 | 414 | status = info->read_memory_func (addr + l, data + l, 2, info); |
252b5132 | 415 | |
3903e627 | 416 | /* Find the exact opcode/arg combo. */ |
a3e64b75 | 417 | for (qi = h8_instructions; qi->opcode->name; qi++) |
252b5132 | 418 | { |
a3e64b75 | 419 | const struct h8_opcode *q = qi->opcode; |
c07ab2ec | 420 | op_type *nib = q->data.nib; |
252b5132 RH |
421 | unsigned int len = 0; |
422 | ||
252b5132 RH |
423 | while (1) |
424 | { | |
425 | op_type looking_for = *nib; | |
20dc5b5a MS |
426 | int thisnib = data[len / 2]; |
427 | int opnr; | |
53d388d1 | 428 | |
20dc5b5a MS |
429 | thisnib = (len & 1) ? (thisnib & 0xf) : ((thisnib / 16) & 0xf); |
430 | opnr = ((looking_for & OP3) == OP3 ? 2 | |
431 | : (looking_for & DST) == DST ? 1 : 0); | |
53d388d1 | 432 | |
5fec0fc5 | 433 | if (looking_for < 16 && looking_for >= 0) |
252b5132 | 434 | { |
5fec0fc5 | 435 | if (looking_for != thisnib) |
252b5132 RH |
436 | goto fail; |
437 | } | |
5fec0fc5 | 438 | else |
252b5132 | 439 | { |
252b5132 RH |
440 | if ((int) looking_for & (int) B31) |
441 | { | |
20dc5b5a | 442 | if (!((thisnib & 0x8) != 0)) |
252b5132 | 443 | goto fail; |
53d388d1 | 444 | |
252b5132 | 445 | looking_for = (op_type) ((int) looking_for & ~(int) B31); |
20dc5b5a | 446 | thisnib &= 0x7; |
252b5132 | 447 | } |
20dc5b5a | 448 | else if ((int) looking_for & (int) B30) |
252b5132 | 449 | { |
20dc5b5a | 450 | if (!((thisnib & 0x8) == 0)) |
252b5132 | 451 | goto fail; |
53d388d1 | 452 | |
252b5132 RH |
453 | looking_for = (op_type) ((int) looking_for & ~(int) B30); |
454 | } | |
455 | ||
20dc5b5a MS |
456 | if ((int) looking_for & (int) B21) |
457 | { | |
458 | if (!((thisnib & 0x4) != 0)) | |
459 | goto fail; | |
460 | ||
461 | looking_for = (op_type) ((int) looking_for & ~(int) B21); | |
462 | thisnib &= 0xb; | |
463 | } | |
464 | else if ((int) looking_for & (int) B20) | |
465 | { | |
466 | if (!((thisnib & 0x4) == 0)) | |
467 | goto fail; | |
468 | ||
469 | looking_for = (op_type) ((int) looking_for & ~(int) B20); | |
470 | } | |
471 | if ((int) looking_for & (int) B11) | |
472 | { | |
473 | if (!((thisnib & 0x2) != 0)) | |
474 | goto fail; | |
475 | ||
476 | looking_for = (op_type) ((int) looking_for & ~(int) B11); | |
477 | thisnib &= 0xd; | |
478 | } | |
479 | else if ((int) looking_for & (int) B10) | |
480 | { | |
481 | if (!((thisnib & 0x2) == 0)) | |
482 | goto fail; | |
483 | ||
484 | looking_for = (op_type) ((int) looking_for & ~(int) B10); | |
485 | } | |
486 | ||
487 | if ((int) looking_for & (int) B01) | |
488 | { | |
489 | if (!((thisnib & 0x1) != 0)) | |
490 | goto fail; | |
491 | ||
492 | looking_for = (op_type) ((int) looking_for & ~(int) B01); | |
493 | thisnib &= 0xe; | |
494 | } | |
495 | else if ((int) looking_for & (int) B00) | |
496 | { | |
497 | if (!((thisnib & 0x1) == 0)) | |
498 | goto fail; | |
499 | ||
500 | looking_for = (op_type) ((int) looking_for & ~(int) B00); | |
501 | } | |
502 | ||
503 | if (looking_for & IGNORE) | |
504 | { | |
505 | /* Hitachi has declared that IGNORE must be zero. */ | |
506 | if (thisnib != 0) | |
507 | goto fail; | |
508 | } | |
509 | else if ((looking_for & MODE) == DATA) | |
510 | { | |
511 | ; /* Skip embedded data. */ | |
512 | } | |
513 | else if ((looking_for & MODE) == DBIT) | |
252b5132 | 514 | { |
53d388d1 JL |
515 | /* Exclude adds/subs by looking at bit 0 and 2, and |
516 | make sure the operand size, either w or l, | |
517 | matches by looking at bit 1. */ | |
518 | if ((looking_for & 7) != (thisnib & 7)) | |
3903e627 | 519 | goto fail; |
53d388d1 | 520 | |
20dc5b5a | 521 | cst[opnr] = (thisnib & 0x8) ? 2 : 1; |
5fec0fc5 | 522 | } |
20dc5b5a MS |
523 | else if ((looking_for & MODE) == DISP || |
524 | (looking_for & MODE) == ABS || | |
525 | (looking_for & MODE) == PCREL || | |
526 | (looking_for & MODE) == INDEXB || | |
527 | (looking_for & MODE) == INDEXW || | |
528 | (looking_for & MODE) == INDEXL) | |
252b5132 | 529 | { |
20dc5b5a MS |
530 | extract_immediate (stream, looking_for, thisnib, |
531 | data + len / 2, cst + opnr, | |
532 | cstlen + opnr, q); | |
533 | /* Even address == bra, odd == bra/s. */ | |
534 | if (q->how == O (O_BRAS, SB)) | |
535 | cst[opnr] -= 1; | |
252b5132 | 536 | } |
20dc5b5a MS |
537 | else if ((looking_for & MODE) == REG || |
538 | (looking_for & MODE) == LOWREG || | |
539 | (looking_for & MODE) == IND || | |
540 | (looking_for & MODE) == PREINC || | |
541 | (looking_for & MODE) == POSTINC || | |
542 | (looking_for & MODE) == PREDEC || | |
543 | (looking_for & MODE) == POSTDEC) | |
252b5132 | 544 | { |
20dc5b5a | 545 | regno[opnr] = thisnib; |
252b5132 | 546 | } |
20dc5b5a | 547 | else if (looking_for & CTRL) /* Control Register */ |
252b5132 | 548 | { |
20dc5b5a MS |
549 | thisnib &= 7; |
550 | if (((looking_for & MODE) == CCR && (thisnib != C_CCR)) || | |
551 | ((looking_for & MODE) == EXR && (thisnib != C_EXR)) || | |
552 | ((looking_for & MODE) == MACH && (thisnib != C_MACH)) || | |
553 | ((looking_for & MODE) == MACL && (thisnib != C_MACL)) || | |
554 | ((looking_for & MODE) == VBR && (thisnib != C_VBR)) || | |
555 | ((looking_for & MODE) == SBR && (thisnib != C_SBR))) | |
556 | goto fail; | |
557 | if (((looking_for & MODE) == CCR_EXR && | |
558 | (thisnib != C_CCR && thisnib != C_EXR)) || | |
559 | ((looking_for & MODE) == VBR_SBR && | |
560 | (thisnib != C_VBR && thisnib != C_SBR)) || | |
561 | ((looking_for & MODE) == MACREG && | |
562 | (thisnib != C_MACH && thisnib != C_MACL))) | |
563 | goto fail; | |
564 | if (((looking_for & MODE) == CC_EX_VB_SB && | |
565 | (thisnib != C_CCR && thisnib != C_EXR && | |
566 | thisnib != C_VBR && thisnib != C_SBR))) | |
567 | goto fail; | |
568 | ||
569 | regno[opnr] = thisnib; | |
570 | } | |
571 | else if ((looking_for & SIZE) == L_5) | |
572 | { | |
573 | cst[opnr] = data[len / 2] & 31; | |
574 | cstlen[opnr] = 5; | |
575 | } | |
576 | else if ((looking_for & SIZE) == L_4) | |
577 | { | |
578 | cst[opnr] = thisnib; | |
579 | cstlen[opnr] = 4; | |
580 | } | |
581 | else if ((looking_for & SIZE) == L_16 || | |
582 | (looking_for & SIZE) == L_16U) | |
583 | { | |
584 | cst[opnr] = (data[len / 2]) * 256 + data[(len + 2) / 2]; | |
585 | cstlen[opnr] = 16; | |
586 | } | |
587 | else if ((looking_for & MODE) == MEMIND) | |
588 | { | |
589 | cst[opnr] = data[1]; | |
252b5132 | 590 | } |
20dc5b5a | 591 | else if ((looking_for & MODE) == VECIND) |
252b5132 | 592 | { |
20dc5b5a | 593 | cst[opnr] = data[1] & 0x7f; |
252b5132 | 594 | } |
20dc5b5a | 595 | else if ((looking_for & SIZE) == L_32) |
252b5132 | 596 | { |
20dc5b5a | 597 | int i = len / 2; |
53d388d1 | 598 | |
20dc5b5a MS |
599 | cst[opnr] = ((data[i] << 24) |
600 | | (data[i + 1] << 16) | |
601 | | (data[i + 2] << 8) | |
602 | | (data[i + 3])); | |
252b5132 | 603 | |
20dc5b5a | 604 | cstlen[opnr] = 32; |
252b5132 | 605 | } |
20dc5b5a | 606 | else if ((looking_for & SIZE) == L_24) |
252b5132 | 607 | { |
20dc5b5a | 608 | int i = len / 2; |
53d388d1 | 609 | |
20dc5b5a MS |
610 | cst[opnr] = |
611 | (data[i] << 16) | (data[i + 1] << 8) | (data[i + 2]); | |
612 | cstlen[opnr] = 24; | |
252b5132 RH |
613 | } |
614 | else if (looking_for & IGNORE) | |
615 | { | |
3903e627 | 616 | ; |
252b5132 RH |
617 | } |
618 | else if (looking_for & DISPREG) | |
619 | { | |
20dc5b5a | 620 | dispregno[opnr] = thisnib & 7; |
252b5132 | 621 | } |
20dc5b5a | 622 | else if ((looking_for & MODE) == KBIT) |
252b5132 | 623 | { |
5fec0fc5 | 624 | switch (thisnib) |
252b5132 RH |
625 | { |
626 | case 9: | |
20dc5b5a | 627 | cst[opnr] = 4; |
252b5132 RH |
628 | break; |
629 | case 8: | |
20dc5b5a | 630 | cst[opnr] = 2; |
252b5132 RH |
631 | break; |
632 | case 0: | |
20dc5b5a | 633 | cst[opnr] = 1; |
252b5132 RH |
634 | break; |
635 | default: | |
636 | goto fail; | |
637 | } | |
638 | } | |
20dc5b5a | 639 | else if ((looking_for & SIZE) == L_8) |
252b5132 | 640 | { |
20dc5b5a MS |
641 | cstlen[opnr] = 8; |
642 | cst[opnr] = data[len / 2]; | |
252b5132 | 643 | } |
20dc5b5a MS |
644 | else if ((looking_for & SIZE) == L_3 || |
645 | (looking_for & SIZE) == L_3NZ) | |
252b5132 | 646 | { |
20dc5b5a MS |
647 | cst[opnr] = thisnib & 0x7; |
648 | if (cst[opnr] == 0 && (looking_for & SIZE) == L_3NZ) | |
649 | goto fail; | |
252b5132 | 650 | } |
20dc5b5a | 651 | else if ((looking_for & SIZE) == L_2) |
252b5132 | 652 | { |
20dc5b5a MS |
653 | cstlen[opnr] = 2; |
654 | cst[opnr] = thisnib & 0x3; | |
252b5132 | 655 | } |
20dc5b5a | 656 | else if ((looking_for & MODE) == MACREG) |
252b5132 | 657 | { |
20dc5b5a | 658 | cst[opnr] = (thisnib == 3); |
252b5132 | 659 | } |
20dc5b5a | 660 | else if (looking_for == (op_type) E) |
252b5132 | 661 | { |
3903e627 | 662 | int i; |
252b5132 | 663 | |
a3e64b75 | 664 | for (i = 0; i < qi->length; i++) |
20dc5b5a | 665 | outfn (stream, "%02x ", data[i]); |
53d388d1 | 666 | |
3903e627 | 667 | for (; i < 6; i++) |
20dc5b5a | 668 | outfn (stream, " "); |
53d388d1 | 669 | |
20dc5b5a | 670 | outfn (stream, "%s\t", q->name); |
252b5132 RH |
671 | |
672 | /* Gross. Disgusting. */ | |
673 | if (strcmp (q->name, "ldm.l") == 0) | |
674 | { | |
675 | int count, high; | |
676 | ||
20dc5b5a MS |
677 | count = (data[1] / 16) & 0x3; |
678 | high = regno[1]; | |
252b5132 | 679 | |
20dc5b5a | 680 | outfn (stream, "@sp+,er%d-er%d", high - count, high); |
a3e64b75 | 681 | return qi->length; |
252b5132 RH |
682 | } |
683 | ||
684 | if (strcmp (q->name, "stm.l") == 0) | |
685 | { | |
686 | int count, low; | |
687 | ||
20dc5b5a MS |
688 | count = (data[1] / 16) & 0x3; |
689 | low = regno[0]; | |
252b5132 | 690 | |
20dc5b5a MS |
691 | outfn (stream, "er%d-er%d,@-sp", low, low + count); |
692 | return qi->length; | |
693 | } | |
694 | if (strcmp (q->name, "rte/l") == 0 | |
695 | || strcmp (q->name, "rts/l") == 0) | |
696 | { | |
697 | if (regno[0] == 0) | |
698 | outfn (stream, "er%d", regno[1]); | |
699 | else | |
700 | { | |
0613284f | 701 | outfn (stream, "er%d-er%d", regno[1] - regno[0], |
20dc5b5a MS |
702 | regno[1]); |
703 | } | |
704 | return qi->length; | |
705 | } | |
706 | if (strncmp (q->name, "mova", 4) == 0) | |
707 | { | |
708 | op_type *args = q->args.nib; | |
709 | ||
710 | if (args[1] == (op_type) E) | |
711 | { | |
712 | /* Short form. */ | |
713 | print_one_arg (info, addr, args[0], cst[0], | |
714 | cstlen[0], dispregno[0], regno[0], | |
715 | pregnames, qi->length); | |
716 | outfn (stream, ",er%d", dispregno[0]); | |
717 | } | |
718 | else | |
719 | { | |
720 | outfn (stream, "@(0x%x:%d,", cst[0], cstlen[0]); | |
721 | print_one_arg (info, addr, args[1], cst[1], | |
722 | cstlen[1], dispregno[1], regno[1], | |
723 | pregnames, qi->length); | |
724 | outfn (stream, ".%c),", | |
725 | (args[0] & MODE) == INDEXB ? 'b' : 'w'); | |
726 | print_one_arg (info, addr, args[2], cst[2], | |
727 | cstlen[2], dispregno[2], regno[2], | |
728 | pregnames, qi->length); | |
729 | } | |
a3e64b75 | 730 | return qi->length; |
252b5132 | 731 | } |
3903e627 | 732 | /* Fill in the args. */ |
252b5132 RH |
733 | { |
734 | op_type *args = q->args.nib; | |
735 | int hadone = 0; | |
20dc5b5a | 736 | int nargs; |
252b5132 | 737 | |
20dc5b5a MS |
738 | for (nargs = 0; |
739 | nargs < 3 && args[nargs] != (op_type) E; | |
740 | nargs++) | |
252b5132 | 741 | { |
20dc5b5a | 742 | int x = args[nargs]; |
53d388d1 | 743 | |
252b5132 | 744 | if (hadone) |
20dc5b5a MS |
745 | outfn (stream, ","); |
746 | ||
747 | print_one_arg (info, addr, x, | |
748 | cst[nargs], cstlen[nargs], | |
749 | dispregno[nargs], regno[nargs], | |
750 | pregnames, qi->length); | |
53d388d1 | 751 | |
252b5132 | 752 | hadone = 1; |
252b5132 RH |
753 | } |
754 | } | |
53d388d1 | 755 | |
a3e64b75 | 756 | return qi->length; |
252b5132 | 757 | } |
252b5132 | 758 | else |
5fec0fc5 | 759 | /* xgettext:c-format */ |
20dc5b5a | 760 | outfn (stream, _("Don't understand 0x%x \n"), looking_for); |
252b5132 | 761 | } |
53d388d1 | 762 | |
252b5132 RH |
763 | len++; |
764 | nib++; | |
765 | } | |
53d388d1 | 766 | |
252b5132 | 767 | fail: |
c07ab2ec | 768 | ; |
252b5132 RH |
769 | } |
770 | ||
5fec0fc5 | 771 | /* Fell off the end. */ |
20dc5b5a | 772 | outfn (stream, "%02x %02x .word\tH'%x,H'%x", |
252b5132 RH |
773 | data[0], data[1], |
774 | data[0], data[1]); | |
775 | return 2; | |
776 | } | |
777 | ||
5fec0fc5 | 778 | int |
252b5132 | 779 | print_insn_h8300 (addr, info) |
5fec0fc5 | 780 | bfd_vma addr; |
3903e627 | 781 | disassemble_info *info; |
252b5132 | 782 | { |
5fec0fc5 | 783 | return bfd_h8_disassemble (addr, info, 0); |
252b5132 RH |
784 | } |
785 | ||
5fec0fc5 | 786 | int |
252b5132 | 787 | print_insn_h8300h (addr, info) |
3903e627 NC |
788 | bfd_vma addr; |
789 | disassemble_info *info; | |
252b5132 | 790 | { |
5fec0fc5 | 791 | return bfd_h8_disassemble (addr, info, 1); |
252b5132 RH |
792 | } |
793 | ||
5fec0fc5 | 794 | int |
252b5132 | 795 | print_insn_h8300s (addr, info) |
3903e627 NC |
796 | bfd_vma addr; |
797 | disassemble_info *info; | |
252b5132 | 798 | { |
5fec0fc5 | 799 | return bfd_h8_disassemble (addr, info, 2); |
252b5132 | 800 | } |