Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Disassemble SH instructions. |
5177500f | 2 | Copyright 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003 |
69eb4bbf | 3 | Free Software Foundation, Inc. |
252b5132 | 4 | |
5177500f NC |
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. | |
252b5132 | 9 | |
5177500f NC |
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. | |
252b5132 | 14 | |
5177500f NC |
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. */ | |
252b5132 RH |
18 | |
19 | #include <stdio.h> | |
0d8dfecf | 20 | #include "sysdep.h" |
252b5132 RH |
21 | #define STATIC_TABLE |
22 | #define DEFINE_TABLE | |
23 | ||
24 | #include "sh-opc.h" | |
25 | #include "dis-asm.h" | |
26 | ||
b34976b6 AM |
27 | #ifdef ARCH_all |
28 | #define INCLUDE_SHMEDIA | |
29 | #endif | |
30 | ||
d83c6548 | 31 | static void print_movxy |
6a51a8a8 | 32 | PARAMS ((const sh_opcode_info *, int, int, fprintf_ftype, void *)); |
d83c6548 AJ |
33 | static void print_insn_ddt PARAMS ((int, struct disassemble_info *)); |
34 | static void print_dsp_reg PARAMS ((int, fprintf_ftype, void *)); | |
35 | static void print_insn_ppi PARAMS ((int, struct disassemble_info *)); | |
d83c6548 | 36 | |
d4845d57 JR |
37 | static void |
38 | print_movxy (op, rn, rm, fprintf_fn, stream) | |
6a51a8a8 | 39 | const sh_opcode_info *op; |
d4845d57 JR |
40 | int rn, rm; |
41 | fprintf_ftype fprintf_fn; | |
42 | void *stream; | |
43 | { | |
44 | int n; | |
45 | ||
69eb4bbf | 46 | fprintf_fn (stream, "%s\t", op->name); |
d4845d57 JR |
47 | for (n = 0; n < 2; n++) |
48 | { | |
49 | switch (op->arg[n]) | |
50 | { | |
51 | case A_IND_N: | |
aeadede6 MS |
52 | case AX_IND_N: |
53 | case AXY_IND_N: | |
54 | case AY_IND_N: | |
55 | case AYX_IND_N: | |
69eb4bbf | 56 | fprintf_fn (stream, "@r%d", rn); |
d4845d57 JR |
57 | break; |
58 | case A_INC_N: | |
aeadede6 MS |
59 | case AX_INC_N: |
60 | case AXY_INC_N: | |
61 | case AY_INC_N: | |
62 | case AYX_INC_N: | |
69eb4bbf | 63 | fprintf_fn (stream, "@r%d+", rn); |
d4845d57 | 64 | break; |
aeadede6 MS |
65 | case AX_PMOD_N: |
66 | case AXY_PMOD_N: | |
69eb4bbf | 67 | fprintf_fn (stream, "@r%d+r8", rn); |
d4845d57 | 68 | break; |
aeadede6 MS |
69 | case AY_PMOD_N: |
70 | case AYX_PMOD_N: | |
69eb4bbf | 71 | fprintf_fn (stream, "@r%d+r9", rn); |
d4845d57 | 72 | break; |
aeadede6 | 73 | case DSP_REG_A_M: |
d4845d57 JR |
74 | fprintf_fn (stream, "a%c", '0' + rm); |
75 | break; | |
76 | case DSP_REG_X: | |
77 | fprintf_fn (stream, "x%c", '0' + rm); | |
78 | break; | |
79 | case DSP_REG_Y: | |
80 | fprintf_fn (stream, "y%c", '0' + rm); | |
81 | break; | |
aeadede6 MS |
82 | case DSP_REG_AX: |
83 | fprintf_fn (stream, "%c%c", | |
84 | (rm & 1) ? 'x' : 'a', | |
85 | (rm & 2) ? '1' : '0'); | |
86 | break; | |
87 | case DSP_REG_XY: | |
88 | fprintf_fn (stream, "%c%c", | |
89 | (rm & 1) ? 'y' : 'x', | |
90 | (rm & 2) ? '1' : '0'); | |
91 | break; | |
92 | case DSP_REG_AY: | |
93 | fprintf_fn (stream, "%c%c", | |
94 | (rm & 2) ? 'y' : 'a', | |
95 | (rm & 1) ? '1' : '0'); | |
96 | break; | |
97 | case DSP_REG_YX: | |
98 | fprintf_fn (stream, "%c%c", | |
99 | (rm & 2) ? 'x' : 'y', | |
100 | (rm & 1) ? '1' : '0'); | |
101 | break; | |
d4845d57 JR |
102 | default: |
103 | abort (); | |
104 | } | |
105 | if (n == 0) | |
69eb4bbf | 106 | fprintf_fn (stream, ","); |
d4845d57 JR |
107 | } |
108 | } | |
109 | ||
110 | /* Print a double data transfer insn. INSN is just the lower three | |
111 | nibbles of the insn, i.e. field a and the bit that indicates if | |
112 | a parallel processing insn follows. | |
113 | Return nonzero if a field b of a parallel processing insns follows. */ | |
69eb4bbf | 114 | |
d4845d57 JR |
115 | static void |
116 | print_insn_ddt (insn, info) | |
117 | int insn; | |
118 | struct disassemble_info *info; | |
119 | { | |
120 | fprintf_ftype fprintf_fn = info->fprintf_func; | |
121 | void *stream = info->stream; | |
122 | ||
123 | /* If this is just a nop, make sure to emit something. */ | |
124 | if (insn == 0x000) | |
125 | fprintf_fn (stream, "nopx\tnopy"); | |
126 | ||
127 | /* If a parallel processing insn was printed before, | |
128 | and we got a non-nop, emit a tab. */ | |
129 | if ((insn & 0x800) && (insn & 0x3ff)) | |
130 | fprintf_fn (stream, "\t"); | |
131 | ||
132 | /* Check if either the x or y part is invalid. */ | |
133 | if (((insn & 0xc) == 0 && (insn & 0x2a0)) | |
134 | || ((insn & 3) == 0 && (insn & 0x150))) | |
aeadede6 MS |
135 | if (info->mach != bfd_mach_sh_dsp |
136 | && info->mach != bfd_mach_sh3_dsp) | |
137 | { | |
138 | static const sh_opcode_info *first_movx, *first_movy; | |
139 | const sh_opcode_info *op; | |
140 | int is_movy; | |
141 | ||
142 | if (! first_movx) | |
143 | { | |
144 | for (first_movx = sh_table; first_movx->nibbles[1] != MOVX_NOPY;) | |
145 | first_movx++; | |
146 | for (first_movy = first_movx; first_movy->nibbles[1] != MOVY_NOPX;) | |
147 | first_movy++; | |
148 | } | |
149 | ||
150 | is_movy = ((insn & 3) != 0); | |
151 | ||
152 | if (is_movy) | |
153 | op = first_movy; | |
154 | else | |
155 | op = first_movx; | |
156 | ||
157 | while (op->nibbles[2] != (unsigned) ((insn >> 4) & 3) | |
158 | || op->nibbles[3] != (unsigned) (insn & 0xf)) | |
159 | op++; | |
160 | ||
161 | print_movxy (op, | |
162 | (4 * ((insn & (is_movy ? 0x200 : 0x100)) == 0) | |
163 | + 2 * is_movy | |
164 | + 1 * ((insn & (is_movy ? 0x100 : 0x200)) != 0)), | |
165 | (insn >> 6) & 3, | |
166 | fprintf_fn, stream); | |
167 | } | |
168 | else | |
169 | fprintf_fn (stream, ".word 0x%x", insn); | |
d4845d57 JR |
170 | else |
171 | { | |
6a51a8a8 AM |
172 | static const sh_opcode_info *first_movx, *first_movy; |
173 | const sh_opcode_info *opx, *opy; | |
caaaf822 | 174 | unsigned int insn_x, insn_y; |
d4845d57 JR |
175 | |
176 | if (! first_movx) | |
177 | { | |
69eb4bbf | 178 | for (first_movx = sh_table; first_movx->nibbles[1] != MOVX;) |
d4845d57 | 179 | first_movx++; |
69eb4bbf | 180 | for (first_movy = first_movx; first_movy->nibbles[1] != MOVY;) |
d4845d57 JR |
181 | first_movy++; |
182 | } | |
183 | insn_x = (insn >> 2) & 0xb; | |
184 | if (insn_x) | |
185 | { | |
69eb4bbf KH |
186 | for (opx = first_movx; opx->nibbles[2] != insn_x;) |
187 | opx++; | |
d4845d57 JR |
188 | print_movxy (opx, ((insn >> 9) & 1) + 4, (insn >> 7) & 1, |
189 | fprintf_fn, stream); | |
190 | } | |
191 | insn_y = (insn & 3) | ((insn >> 1) & 8); | |
192 | if (insn_y) | |
193 | { | |
194 | if (insn_x) | |
195 | fprintf_fn (stream, "\t"); | |
69eb4bbf KH |
196 | for (opy = first_movy; opy->nibbles[2] != insn_y;) |
197 | opy++; | |
d4845d57 JR |
198 | print_movxy (opy, ((insn >> 8) & 1) + 6, (insn >> 6) & 1, |
199 | fprintf_fn, stream); | |
200 | } | |
201 | } | |
202 | } | |
203 | ||
204 | static void | |
205 | print_dsp_reg (rm, fprintf_fn, stream) | |
206 | int rm; | |
207 | fprintf_ftype fprintf_fn; | |
208 | void *stream; | |
209 | { | |
210 | switch (rm) | |
211 | { | |
212 | case A_A1_NUM: | |
213 | fprintf_fn (stream, "a1"); | |
214 | break; | |
215 | case A_A0_NUM: | |
216 | fprintf_fn (stream, "a0"); | |
217 | break; | |
218 | case A_X0_NUM: | |
219 | fprintf_fn (stream, "x0"); | |
220 | break; | |
221 | case A_X1_NUM: | |
222 | fprintf_fn (stream, "x1"); | |
223 | break; | |
224 | case A_Y0_NUM: | |
225 | fprintf_fn (stream, "y0"); | |
226 | break; | |
227 | case A_Y1_NUM: | |
228 | fprintf_fn (stream, "y1"); | |
229 | break; | |
230 | case A_M0_NUM: | |
231 | fprintf_fn (stream, "m0"); | |
232 | break; | |
233 | case A_A1G_NUM: | |
234 | fprintf_fn (stream, "a1g"); | |
235 | break; | |
236 | case A_M1_NUM: | |
237 | fprintf_fn (stream, "m1"); | |
238 | break; | |
239 | case A_A0G_NUM: | |
240 | fprintf_fn (stream, "a0g"); | |
241 | break; | |
242 | default: | |
243 | fprintf_fn (stream, "0x%x", rm); | |
244 | break; | |
245 | } | |
246 | } | |
247 | ||
248 | static void | |
249 | print_insn_ppi (field_b, info) | |
250 | int field_b; | |
251 | struct disassemble_info *info; | |
252 | { | |
69eb4bbf KH |
253 | static char *sx_tab[] = { "x0", "x1", "a0", "a1" }; |
254 | static char *sy_tab[] = { "y0", "y1", "m0", "m1" }; | |
d4845d57 JR |
255 | fprintf_ftype fprintf_fn = info->fprintf_func; |
256 | void *stream = info->stream; | |
caaaf822 | 257 | unsigned int nib1, nib2, nib3; |
aeadede6 | 258 | unsigned int altnib1, nib4; |
caaaf822 | 259 | char *dc = NULL; |
6a51a8a8 | 260 | const sh_opcode_info *op; |
d4845d57 JR |
261 | |
262 | if ((field_b & 0xe800) == 0) | |
263 | { | |
264 | fprintf_fn (stream, "psh%c\t#%d,", | |
265 | field_b & 0x1000 ? 'a' : 'l', | |
266 | (field_b >> 4) & 127); | |
267 | print_dsp_reg (field_b & 0xf, fprintf_fn, stream); | |
268 | return; | |
269 | } | |
270 | if ((field_b & 0xc000) == 0x4000 && (field_b & 0x3000) != 0x1000) | |
271 | { | |
69eb4bbf KH |
272 | static char *du_tab[] = { "x0", "y0", "a0", "a1" }; |
273 | static char *se_tab[] = { "x0", "x1", "y0", "a1" }; | |
274 | static char *sf_tab[] = { "y0", "y1", "x0", "a1" }; | |
275 | static char *sg_tab[] = { "m0", "m1", "a0", "a1" }; | |
d4845d57 JR |
276 | |
277 | if (field_b & 0x2000) | |
278 | { | |
279 | fprintf_fn (stream, "p%s %s,%s,%s\t", | |
280 | (field_b & 0x1000) ? "add" : "sub", | |
281 | sx_tab[(field_b >> 6) & 3], | |
282 | sy_tab[(field_b >> 4) & 3], | |
283 | du_tab[(field_b >> 0) & 3]); | |
284 | } | |
aeadede6 MS |
285 | else if ((field_b & 0xf0) == 0x10 |
286 | && info->mach != bfd_mach_sh_dsp | |
287 | && info->mach != bfd_mach_sh3_dsp) | |
288 | { | |
289 | fprintf_fn (stream, "pclr %s \t", du_tab[(field_b >> 0) & 3]); | |
290 | } | |
291 | else if ((field_b & 0xf3) != 0) | |
292 | { | |
293 | fprintf_fn (stream, ".word 0x%x\t", field_b); | |
294 | } | |
d4845d57 JR |
295 | fprintf_fn (stream, "pmuls%c%s,%s,%s", |
296 | field_b & 0x2000 ? ' ' : '\t', | |
297 | se_tab[(field_b >> 10) & 3], | |
298 | sf_tab[(field_b >> 8) & 3], | |
299 | sg_tab[(field_b >> 2) & 3]); | |
300 | return; | |
301 | } | |
302 | ||
303 | nib1 = PPIC; | |
304 | nib2 = field_b >> 12 & 0xf; | |
305 | nib3 = field_b >> 8 & 0xf; | |
aeadede6 | 306 | nib4 = field_b >> 4 & 0xf; |
d4845d57 JR |
307 | switch (nib3 & 0x3) |
308 | { | |
309 | case 0: | |
310 | dc = ""; | |
311 | nib1 = PPI3; | |
312 | break; | |
313 | case 1: | |
314 | dc = ""; | |
315 | break; | |
316 | case 2: | |
317 | dc = "dct "; | |
318 | nib3 -= 1; | |
319 | break; | |
320 | case 3: | |
321 | dc = "dcf "; | |
322 | nib3 -= 2; | |
323 | break; | |
324 | } | |
aeadede6 MS |
325 | if (nib1 == PPI3) |
326 | altnib1 = PPI3NC; | |
327 | else | |
328 | altnib1 = nib1; | |
d4845d57 JR |
329 | for (op = sh_table; op->name; op++) |
330 | { | |
aeadede6 | 331 | if ((op->nibbles[1] == nib1 || op->nibbles[1] == altnib1) |
d4845d57 JR |
332 | && op->nibbles[2] == nib2 |
333 | && op->nibbles[3] == nib3) | |
334 | { | |
335 | int n; | |
336 | ||
aeadede6 MS |
337 | switch (op->nibbles[4]) |
338 | { | |
339 | case HEX_0: | |
340 | break; | |
341 | case HEX_XX00: | |
342 | if ((nib4 & 3) != 0) | |
343 | continue; | |
344 | break; | |
345 | case HEX_1: | |
346 | if ((nib4 & 3) != 1) | |
347 | continue; | |
348 | break; | |
349 | case HEX_00YY: | |
350 | if ((nib4 & 0xc) != 0) | |
351 | continue; | |
352 | break; | |
353 | case HEX_4: | |
354 | if ((nib4 & 0xc) != 4) | |
355 | continue; | |
356 | break; | |
357 | default: | |
358 | abort (); | |
359 | } | |
d4845d57 | 360 | fprintf_fn (stream, "%s%s\t", dc, op->name); |
69eb4bbf | 361 | for (n = 0; n < 3 && op->arg[n] != A_END; n++) |
d4845d57 JR |
362 | { |
363 | if (n && op->arg[1] != A_END) | |
364 | fprintf_fn (stream, ","); | |
69eb4bbf | 365 | switch (op->arg[n]) |
d4845d57 JR |
366 | { |
367 | case DSP_REG_N: | |
368 | print_dsp_reg (field_b & 0xf, fprintf_fn, stream); | |
369 | break; | |
370 | case DSP_REG_X: | |
371 | fprintf_fn (stream, sx_tab[(field_b >> 6) & 3]); | |
372 | break; | |
373 | case DSP_REG_Y: | |
374 | fprintf_fn (stream, sy_tab[(field_b >> 4) & 3]); | |
375 | break; | |
376 | case A_MACH: | |
377 | fprintf_fn (stream, "mach"); | |
378 | break; | |
379 | case A_MACL: | |
69eb4bbf | 380 | fprintf_fn (stream, "macl"); |
d4845d57 JR |
381 | break; |
382 | default: | |
383 | abort (); | |
384 | } | |
385 | } | |
386 | return; | |
387 | } | |
388 | } | |
389 | /* Not found. */ | |
390 | fprintf_fn (stream, ".word 0x%x", field_b); | |
391 | } | |
392 | ||
1c509ca8 JR |
393 | int |
394 | print_insn_sh (memaddr, info) | |
252b5132 RH |
395 | bfd_vma memaddr; |
396 | struct disassemble_info *info; | |
397 | { | |
398 | fprintf_ftype fprintf_fn = info->fprintf_func; | |
399 | void *stream = info->stream; | |
f532f3fa | 400 | unsigned char insn[4]; |
252b5132 RH |
401 | unsigned char nibs[4]; |
402 | int status; | |
69eb4bbf | 403 | bfd_vma relmask = ~(bfd_vma) 0; |
6a51a8a8 | 404 | const sh_opcode_info *op; |
d4845d57 JR |
405 | int target_arch; |
406 | ||
407 | switch (info->mach) | |
408 | { | |
409 | case bfd_mach_sh: | |
410 | target_arch = arch_sh1; | |
426e6456 JR |
411 | /* SH coff object files lack information about the machine type, so |
412 | we end up with bfd_mach_sh unless it was set explicitly (which | |
413 | could have happended if this is a call from gdb or the simulator.) */ | |
4ee33023 JR |
414 | if (info->symbols |
415 | && bfd_asymbol_flavour(*info->symbols) == bfd_target_coff_flavour) | |
426e6456 | 416 | target_arch = arch_sh4; |
d4845d57 JR |
417 | break; |
418 | case bfd_mach_sh2: | |
419 | target_arch = arch_sh2; | |
420 | break; | |
5177500f NC |
421 | case bfd_mach_sh2e: |
422 | target_arch = arch_sh2e; | |
423 | break; | |
d4845d57 JR |
424 | case bfd_mach_sh_dsp: |
425 | target_arch = arch_sh_dsp; | |
426 | break; | |
427 | case bfd_mach_sh3: | |
428 | target_arch = arch_sh3; | |
429 | break; | |
430 | case bfd_mach_sh3_dsp: | |
431 | target_arch = arch_sh3_dsp; | |
432 | break; | |
433 | case bfd_mach_sh3e: | |
434 | target_arch = arch_sh3e; | |
435 | break; | |
436 | case bfd_mach_sh4: | |
aeadede6 | 437 | case bfd_mach_sh4_nofpu: |
d4845d57 JR |
438 | target_arch = arch_sh4; |
439 | break; | |
aeadede6 MS |
440 | case bfd_mach_sh4a: |
441 | case bfd_mach_sh4a_nofpu: | |
442 | target_arch = arch_sh4a; | |
443 | break; | |
444 | case bfd_mach_sh4al_dsp: | |
445 | target_arch = arch_sh4al_dsp; | |
446 | break; | |
d28847ce | 447 | case bfd_mach_sh5: |
1c509ca8 JR |
448 | #ifdef INCLUDE_SHMEDIA |
449 | status = print_insn_sh64 (memaddr, info); | |
450 | if (status != -2) | |
451 | return status; | |
452 | #endif | |
d28847ce AO |
453 | /* When we get here for sh64, it's because we want to disassemble |
454 | SHcompact, i.e. arch_sh4. */ | |
455 | target_arch = arch_sh4; | |
456 | break; | |
d4845d57 JR |
457 | default: |
458 | abort (); | |
459 | } | |
252b5132 RH |
460 | |
461 | status = info->read_memory_func (memaddr, insn, 2, info); | |
462 | ||
69eb4bbf | 463 | if (status != 0) |
252b5132 RH |
464 | { |
465 | info->memory_error_func (status, memaddr, info); | |
466 | return -1; | |
467 | } | |
468 | ||
1c509ca8 | 469 | if (info->endian == BFD_ENDIAN_LITTLE) |
252b5132 RH |
470 | { |
471 | nibs[0] = (insn[1] >> 4) & 0xf; | |
472 | nibs[1] = insn[1] & 0xf; | |
473 | ||
474 | nibs[2] = (insn[0] >> 4) & 0xf; | |
475 | nibs[3] = insn[0] & 0xf; | |
476 | } | |
69eb4bbf | 477 | else |
252b5132 RH |
478 | { |
479 | nibs[0] = (insn[0] >> 4) & 0xf; | |
480 | nibs[1] = insn[0] & 0xf; | |
481 | ||
482 | nibs[2] = (insn[1] >> 4) & 0xf; | |
483 | nibs[3] = insn[1] & 0xf; | |
484 | } | |
485 | ||
d4845d57 JR |
486 | if (nibs[0] == 0xf && (nibs[1] & 4) == 0 && target_arch & arch_sh_dsp_up) |
487 | { | |
488 | if (nibs[1] & 8) | |
489 | { | |
490 | int field_b; | |
491 | ||
492 | status = info->read_memory_func (memaddr + 2, insn, 2, info); | |
493 | ||
69eb4bbf | 494 | if (status != 0) |
d4845d57 JR |
495 | { |
496 | info->memory_error_func (status, memaddr + 2, info); | |
497 | return -1; | |
498 | } | |
499 | ||
1c509ca8 | 500 | if (info->endian == BFD_ENDIAN_LITTLE) |
d4845d57 JR |
501 | field_b = insn[1] << 8 | insn[0]; |
502 | else | |
503 | field_b = insn[0] << 8 | insn[1]; | |
504 | ||
505 | print_insn_ppi (field_b, info); | |
506 | print_insn_ddt ((nibs[1] << 8) | (nibs[2] << 4) | nibs[3], info); | |
507 | return 4; | |
508 | } | |
509 | print_insn_ddt ((nibs[1] << 8) | (nibs[2] << 4) | nibs[3], info); | |
510 | return 2; | |
511 | } | |
69eb4bbf | 512 | for (op = sh_table; op->name; op++) |
252b5132 RH |
513 | { |
514 | int n; | |
515 | int imm = 0; | |
516 | int rn = 0; | |
517 | int rm = 0; | |
518 | int rb = 0; | |
519 | int disp_pc; | |
520 | bfd_vma disp_pc_addr = 0; | |
521 | ||
d4845d57 JR |
522 | if ((op->arch & target_arch) == 0) |
523 | goto fail; | |
252b5132 RH |
524 | for (n = 0; n < 4; n++) |
525 | { | |
526 | int i = op->nibbles[n]; | |
527 | ||
69eb4bbf | 528 | if (i < 16) |
252b5132 RH |
529 | { |
530 | if (nibs[n] == i) | |
531 | continue; | |
532 | goto fail; | |
533 | } | |
534 | switch (i) | |
535 | { | |
536 | case BRANCH_8: | |
69eb4bbf | 537 | imm = (nibs[2] << 4) | (nibs[3]); |
252b5132 RH |
538 | if (imm & 0x80) |
539 | imm |= ~0xff; | |
69eb4bbf | 540 | imm = ((char) imm) * 2 + 4; |
252b5132 RH |
541 | goto ok; |
542 | case BRANCH_12: | |
543 | imm = ((nibs[1]) << 8) | (nibs[2] << 4) | (nibs[3]); | |
544 | if (imm & 0x800) | |
545 | imm |= ~0xfff; | |
546 | imm = imm * 2 + 4; | |
547 | goto ok; | |
015551fc JR |
548 | case IMM0_4: |
549 | case IMM1_4: | |
252b5132 RH |
550 | imm = nibs[3]; |
551 | goto ok; | |
015551fc JR |
552 | case IMM0_4BY2: |
553 | case IMM1_4BY2: | |
69eb4bbf | 554 | imm = nibs[3] << 1; |
252b5132 | 555 | goto ok; |
015551fc JR |
556 | case IMM0_4BY4: |
557 | case IMM1_4BY4: | |
69eb4bbf | 558 | imm = nibs[3] << 2; |
252b5132 | 559 | goto ok; |
015551fc JR |
560 | case IMM0_8: |
561 | case IMM1_8: | |
252b5132 RH |
562 | imm = (nibs[2] << 4) | nibs[3]; |
563 | goto ok; | |
564 | case PCRELIMM_8BY2: | |
69eb4bbf KH |
565 | imm = ((nibs[2] << 4) | nibs[3]) << 1; |
566 | relmask = ~(bfd_vma) 1; | |
252b5132 RH |
567 | goto ok; |
568 | case PCRELIMM_8BY4: | |
69eb4bbf KH |
569 | imm = ((nibs[2] << 4) | nibs[3]) << 2; |
570 | relmask = ~(bfd_vma) 3; | |
252b5132 | 571 | goto ok; |
015551fc JR |
572 | case IMM0_8BY2: |
573 | case IMM1_8BY2: | |
69eb4bbf | 574 | imm = ((nibs[2] << 4) | nibs[3]) << 1; |
252b5132 | 575 | goto ok; |
015551fc JR |
576 | case IMM0_8BY4: |
577 | case IMM1_8BY4: | |
69eb4bbf | 578 | imm = ((nibs[2] << 4) | nibs[3]) << 2; |
252b5132 | 579 | goto ok; |
6a5709a5 JR |
580 | case REG_N_D: |
581 | if ((nibs[n] & 1) != 0) | |
582 | goto fail; | |
583 | /* fall through */ | |
252b5132 RH |
584 | case REG_N: |
585 | rn = nibs[n]; | |
586 | break; | |
587 | case REG_M: | |
588 | rm = nibs[n]; | |
589 | break; | |
6a5709a5 JR |
590 | case REG_N_B01: |
591 | if ((nibs[n] & 0x3) != 1 /* binary 01 */) | |
592 | goto fail; | |
593 | rn = (nibs[n] & 0xc) >> 2; | |
594 | break; | |
252b5132 RH |
595 | case REG_NM: |
596 | rn = (nibs[n] & 0xc) >> 2; | |
597 | rm = (nibs[n] & 0x3); | |
598 | break; | |
599 | case REG_B: | |
600 | rb = nibs[n] & 0x07; | |
69eb4bbf | 601 | break; |
d4845d57 JR |
602 | case SDT_REG_N: |
603 | /* sh-dsp: single data transfer. */ | |
604 | rn = nibs[n]; | |
605 | if ((rn & 0xc) != 4) | |
606 | goto fail; | |
607 | rn = rn & 0x3; | |
ddb68265 | 608 | rn |= (!(rn & 2)) << 2; |
d4845d57 JR |
609 | break; |
610 | case PPI: | |
015551fc | 611 | case REPEAT: |
d4845d57 | 612 | goto fail; |
252b5132 | 613 | default: |
69eb4bbf | 614 | abort (); |
252b5132 RH |
615 | } |
616 | } | |
617 | ||
618 | ok: | |
69eb4bbf | 619 | fprintf_fn (stream, "%s\t", op->name); |
252b5132 | 620 | disp_pc = 0; |
69eb4bbf | 621 | for (n = 0; n < 3 && op->arg[n] != A_END; n++) |
252b5132 RH |
622 | { |
623 | if (n && op->arg[1] != A_END) | |
624 | fprintf_fn (stream, ","); | |
69eb4bbf | 625 | switch (op->arg[n]) |
252b5132 RH |
626 | { |
627 | case A_IMM: | |
69eb4bbf | 628 | fprintf_fn (stream, "#%d", (char) (imm)); |
252b5132 RH |
629 | break; |
630 | case A_R0: | |
631 | fprintf_fn (stream, "r0"); | |
632 | break; | |
633 | case A_REG_N: | |
634 | fprintf_fn (stream, "r%d", rn); | |
635 | break; | |
636 | case A_INC_N: | |
aeadede6 | 637 | case AS_INC_N: |
69eb4bbf | 638 | fprintf_fn (stream, "@r%d+", rn); |
252b5132 RH |
639 | break; |
640 | case A_DEC_N: | |
aeadede6 | 641 | case AS_DEC_N: |
69eb4bbf | 642 | fprintf_fn (stream, "@-r%d", rn); |
252b5132 RH |
643 | break; |
644 | case A_IND_N: | |
aeadede6 | 645 | case AS_IND_N: |
69eb4bbf | 646 | fprintf_fn (stream, "@r%d", rn); |
252b5132 RH |
647 | break; |
648 | case A_DISP_REG_N: | |
69eb4bbf | 649 | fprintf_fn (stream, "@(%d,r%d)", imm, rn); |
252b5132 | 650 | break; |
aeadede6 | 651 | case AS_PMOD_N: |
69eb4bbf | 652 | fprintf_fn (stream, "@r%d+r8", rn); |
d4845d57 | 653 | break; |
252b5132 RH |
654 | case A_REG_M: |
655 | fprintf_fn (stream, "r%d", rm); | |
656 | break; | |
657 | case A_INC_M: | |
69eb4bbf | 658 | fprintf_fn (stream, "@r%d+", rm); |
252b5132 RH |
659 | break; |
660 | case A_DEC_M: | |
69eb4bbf | 661 | fprintf_fn (stream, "@-r%d", rm); |
252b5132 RH |
662 | break; |
663 | case A_IND_M: | |
69eb4bbf | 664 | fprintf_fn (stream, "@r%d", rm); |
252b5132 RH |
665 | break; |
666 | case A_DISP_REG_M: | |
69eb4bbf | 667 | fprintf_fn (stream, "@(%d,r%d)", imm, rm); |
252b5132 RH |
668 | break; |
669 | case A_REG_B: | |
670 | fprintf_fn (stream, "r%d_bank", rb); | |
671 | break; | |
672 | case A_DISP_PC: | |
673 | disp_pc = 1; | |
674 | disp_pc_addr = imm + 4 + (memaddr & relmask); | |
675 | (*info->print_address_func) (disp_pc_addr, info); | |
676 | break; | |
677 | case A_IND_R0_REG_N: | |
678 | fprintf_fn (stream, "@(r0,r%d)", rn); | |
69eb4bbf | 679 | break; |
252b5132 RH |
680 | case A_IND_R0_REG_M: |
681 | fprintf_fn (stream, "@(r0,r%d)", rm); | |
69eb4bbf | 682 | break; |
252b5132 | 683 | case A_DISP_GBR: |
69eb4bbf | 684 | fprintf_fn (stream, "@(%d,gbr)", imm); |
252b5132 RH |
685 | break; |
686 | case A_R0_GBR: | |
687 | fprintf_fn (stream, "@(r0,gbr)"); | |
688 | break; | |
689 | case A_BDISP12: | |
690 | case A_BDISP8: | |
691 | (*info->print_address_func) (imm + memaddr, info); | |
692 | break; | |
693 | case A_SR: | |
694 | fprintf_fn (stream, "sr"); | |
695 | break; | |
696 | case A_GBR: | |
697 | fprintf_fn (stream, "gbr"); | |
698 | break; | |
699 | case A_VBR: | |
700 | fprintf_fn (stream, "vbr"); | |
701 | break; | |
d4845d57 JR |
702 | case A_DSR: |
703 | fprintf_fn (stream, "dsr"); | |
704 | break; | |
705 | case A_MOD: | |
706 | fprintf_fn (stream, "mod"); | |
707 | break; | |
708 | case A_RE: | |
709 | fprintf_fn (stream, "re"); | |
710 | break; | |
711 | case A_RS: | |
712 | fprintf_fn (stream, "rs"); | |
713 | break; | |
714 | case A_A0: | |
715 | fprintf_fn (stream, "a0"); | |
716 | break; | |
717 | case A_X0: | |
718 | fprintf_fn (stream, "x0"); | |
719 | break; | |
720 | case A_X1: | |
721 | fprintf_fn (stream, "x1"); | |
722 | break; | |
723 | case A_Y0: | |
724 | fprintf_fn (stream, "y0"); | |
725 | break; | |
726 | case A_Y1: | |
727 | fprintf_fn (stream, "y1"); | |
728 | break; | |
729 | case DSP_REG_M: | |
730 | print_dsp_reg (rm, fprintf_fn, stream); | |
731 | break; | |
252b5132 RH |
732 | case A_SSR: |
733 | fprintf_fn (stream, "ssr"); | |
734 | break; | |
735 | case A_SPC: | |
736 | fprintf_fn (stream, "spc"); | |
737 | break; | |
738 | case A_MACH: | |
739 | fprintf_fn (stream, "mach"); | |
740 | break; | |
741 | case A_MACL: | |
69eb4bbf | 742 | fprintf_fn (stream, "macl"); |
252b5132 RH |
743 | break; |
744 | case A_PR: | |
745 | fprintf_fn (stream, "pr"); | |
746 | break; | |
747 | case A_SGR: | |
748 | fprintf_fn (stream, "sgr"); | |
749 | break; | |
750 | case A_DBR: | |
751 | fprintf_fn (stream, "dbr"); | |
752 | break; | |
252b5132 RH |
753 | case F_REG_N: |
754 | fprintf_fn (stream, "fr%d", rn); | |
755 | break; | |
756 | case F_REG_M: | |
757 | fprintf_fn (stream, "fr%d", rm); | |
758 | break; | |
759 | case DX_REG_N: | |
760 | if (rn & 1) | |
761 | { | |
762 | fprintf_fn (stream, "xd%d", rn & ~1); | |
763 | break; | |
764 | } | |
252b5132 RH |
765 | case D_REG_N: |
766 | fprintf_fn (stream, "dr%d", rn); | |
767 | break; | |
768 | case DX_REG_M: | |
769 | if (rm & 1) | |
770 | { | |
771 | fprintf_fn (stream, "xd%d", rm & ~1); | |
772 | break; | |
773 | } | |
774 | case D_REG_M: | |
775 | fprintf_fn (stream, "dr%d", rm); | |
776 | break; | |
777 | case FPSCR_M: | |
778 | case FPSCR_N: | |
779 | fprintf_fn (stream, "fpscr"); | |
780 | break; | |
781 | case FPUL_M: | |
782 | case FPUL_N: | |
783 | fprintf_fn (stream, "fpul"); | |
784 | break; | |
785 | case F_FR0: | |
786 | fprintf_fn (stream, "fr0"); | |
787 | break; | |
788 | case V_REG_N: | |
69eb4bbf | 789 | fprintf_fn (stream, "fv%d", rn * 4); |
252b5132 RH |
790 | break; |
791 | case V_REG_M: | |
69eb4bbf | 792 | fprintf_fn (stream, "fv%d", rm * 4); |
252b5132 RH |
793 | break; |
794 | case XMTRX_M4: | |
795 | fprintf_fn (stream, "xmtrx"); | |
796 | break; | |
797 | default: | |
69eb4bbf | 798 | abort (); |
252b5132 RH |
799 | } |
800 | } | |
801 | ||
802 | #if 0 | |
803 | /* This code prints instructions in delay slots on the same line | |
804 | as the instruction which needs the delay slots. This can be | |
805 | confusing, since other disassembler don't work this way, and | |
806 | it means that the instructions are not all in a line. So I | |
807 | disabled it. Ian. */ | |
808 | if (!(info->flags & 1) | |
809 | && (op->name[0] == 'j' | |
810 | || (op->name[0] == 'b' | |
69eb4bbf | 811 | && (op->name[1] == 'r' |
252b5132 RH |
812 | || op->name[1] == 's')) |
813 | || (op->name[0] == 'r' && op->name[1] == 't') | |
814 | || (op->name[0] == 'b' && op->name[2] == '.'))) | |
815 | { | |
816 | info->flags |= 1; | |
817 | fprintf_fn (stream, "\t(slot "); | |
1c509ca8 | 818 | print_insn_sh (memaddr + 2, info); |
252b5132 RH |
819 | info->flags &= ~1; |
820 | fprintf_fn (stream, ")"); | |
821 | return 4; | |
822 | } | |
823 | #endif | |
824 | ||
825 | if (disp_pc && strcmp (op->name, "mova") != 0) | |
826 | { | |
827 | int size; | |
828 | bfd_byte bytes[4]; | |
829 | ||
69eb4bbf | 830 | if (relmask == ~(bfd_vma) 1) |
252b5132 RH |
831 | size = 2; |
832 | else | |
833 | size = 4; | |
834 | status = info->read_memory_func (disp_pc_addr, bytes, size, info); | |
835 | if (status == 0) | |
836 | { | |
837 | unsigned int val; | |
838 | ||
839 | if (size == 2) | |
840 | { | |
1c509ca8 | 841 | if (info->endian == BFD_ENDIAN_LITTLE) |
252b5132 RH |
842 | val = bfd_getl16 (bytes); |
843 | else | |
844 | val = bfd_getb16 (bytes); | |
845 | } | |
846 | else | |
847 | { | |
1c509ca8 | 848 | if (info->endian == BFD_ENDIAN_LITTLE) |
252b5132 RH |
849 | val = bfd_getl32 (bytes); |
850 | else | |
851 | val = bfd_getb32 (bytes); | |
852 | } | |
853 | fprintf_fn (stream, "\t! 0x%x", val); | |
854 | } | |
855 | } | |
856 | ||
857 | return 2; | |
858 | fail: | |
859 | ; | |
860 | ||
861 | } | |
862 | fprintf_fn (stream, ".word 0x%x%x%x%x", nibs[0], nibs[1], nibs[2], nibs[3]); | |
863 | return 2; | |
864 | } |