Commit | Line | Data |
---|---|---|
d28847ce | 1 | /* Disassemble SH64 instructions. |
47b0e7ad | 2 | Copyright 2000, 2001, 2002, 2003, 2005 Free Software Foundation, Inc. |
d28847ce AO |
3 | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 2 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU General Public License | |
15 | along with this program; if not, write to the Free Software | |
f4321104 | 16 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
d28847ce AO |
17 | |
18 | #include <stdio.h> | |
19 | ||
20 | #include "dis-asm.h" | |
21 | #include "sysdep.h" | |
22 | #include "sh64-opc.h" | |
23 | #include "libiberty.h" | |
d28847ce AO |
24 | /* We need to refer to the ELF header structure. */ |
25 | #include "elf-bfd.h" | |
26 | #include "elf/sh.h" | |
f0abc2a1 | 27 | #include "elf32-sh64.h" |
d28847ce AO |
28 | |
29 | #define ELF_MODE32_CODE_LABEL_P(SYM) \ | |
30 | (((elf_symbol_type *) (SYM))->internal_elf_sym.st_other & STO_SH5_ISA32) | |
31 | ||
32 | #define SAVED_MOVI_R(INFO) \ | |
33 | (((struct sh64_disassemble_info *) ((INFO)->private_data))->address_reg) | |
34 | ||
35 | #define SAVED_MOVI_IMM(INFO) \ | |
36 | (((struct sh64_disassemble_info *) ((INFO)->private_data))->built_address) | |
37 | ||
38 | struct sh64_disassemble_info | |
39 | { | |
40 | /* When we see a MOVI, we save the register and the value, and merge a | |
41 | subsequent SHORI and display the address, if there is one. */ | |
42 | unsigned int address_reg; | |
43 | bfd_signed_vma built_address; | |
44 | ||
45 | /* This is the range decriptor for the current address. It is kept | |
46 | around for the next call. */ | |
47 | sh64_elf_crange crange; | |
48 | }; | |
49 | ||
50 | /* Each item in the table is a mask to indicate which bits to be set | |
b34976b6 | 51 | to determine an instruction's operator. |
d28847ce AO |
52 | The index is as same as the instruction in the opcode table. |
53 | Note that some archs have this as a field in the opcode table. */ | |
54 | static unsigned long *shmedia_opcode_mask_table; | |
55 | ||
d28847ce AO |
56 | /* Initialize the SH64 opcode mask table for each instruction in SHmedia |
57 | mode. */ | |
58 | ||
59 | static void | |
47b0e7ad | 60 | initialize_shmedia_opcode_mask_table (void) |
d28847ce AO |
61 | { |
62 | int n_opc; | |
63 | int n; | |
64 | ||
65 | /* Calculate number of opcodes. */ | |
66 | for (n_opc = 0; shmedia_table[n_opc].name != NULL; n_opc++) | |
67 | ; | |
68 | ||
69 | shmedia_opcode_mask_table | |
70 | = xmalloc (sizeof (shmedia_opcode_mask_table[0]) * n_opc); | |
71 | ||
72 | for (n = 0; n < n_opc; n++) | |
73 | { | |
74 | int i; | |
75 | ||
76 | unsigned long mask = 0; | |
77 | ||
78 | for (i = 0; shmedia_table[n].arg[i] != A_NONE; i++) | |
79 | { | |
80 | int offset = shmedia_table[n].nibbles[i]; | |
81 | int length; | |
b34976b6 | 82 | |
d28847ce AO |
83 | switch (shmedia_table[n].arg[i]) |
84 | { | |
85 | case A_GREG_M: | |
86 | case A_GREG_N: | |
87 | case A_GREG_D: | |
88 | case A_CREG_K: | |
89 | case A_CREG_J: | |
90 | case A_FREG_G: | |
91 | case A_FREG_H: | |
92 | case A_FREG_F: | |
93 | case A_DREG_G: | |
94 | case A_DREG_H: | |
95 | case A_DREG_F: | |
96 | case A_FMREG_G: | |
97 | case A_FMREG_H: | |
98 | case A_FMREG_F: | |
99 | case A_FPREG_G: | |
100 | case A_FPREG_H: | |
101 | case A_FPREG_F: | |
102 | case A_FVREG_G: | |
103 | case A_FVREG_H: | |
104 | case A_FVREG_F: | |
105 | case A_REUSE_PREV: | |
106 | length = 6; | |
107 | break; | |
108 | ||
109 | case A_TREG_A: | |
110 | case A_TREG_B: | |
111 | length = 3; | |
112 | break; | |
113 | ||
b34976b6 | 114 | case A_IMMM: |
d28847ce AO |
115 | abort (); |
116 | break; | |
117 | ||
118 | case A_IMMU5: | |
119 | length = 5; | |
120 | break; | |
121 | ||
122 | case A_IMMS6: | |
123 | case A_IMMU6: | |
124 | case A_IMMS6BY32: | |
125 | length = 6; | |
126 | break; | |
127 | ||
128 | case A_IMMS10: | |
129 | case A_IMMS10BY1: | |
130 | case A_IMMS10BY2: | |
131 | case A_IMMS10BY4: | |
132 | case A_IMMS10BY8: | |
133 | length = 10; | |
134 | break; | |
135 | ||
136 | case A_IMMU16: | |
137 | case A_IMMS16: | |
138 | case A_PCIMMS16BY4: | |
139 | case A_PCIMMS16BY4_PT: | |
140 | length = 16; | |
141 | break; | |
142 | ||
143 | default: | |
144 | abort (); | |
145 | length = 0; | |
146 | break; | |
147 | } | |
148 | ||
149 | if (length != 0) | |
150 | mask |= (0xffffffff >> (32 - length)) << offset; | |
151 | } | |
152 | shmedia_opcode_mask_table[n] = 0xffffffff & ~mask; | |
153 | } | |
154 | } | |
155 | ||
156 | /* Get a predefined control-register-name, or return NULL. */ | |
157 | ||
47b0e7ad NC |
158 | static const char * |
159 | creg_name (int cregno) | |
d28847ce AO |
160 | { |
161 | const shmedia_creg_info *cregp; | |
162 | ||
163 | /* If control register usage is common enough, change this to search a | |
164 | hash-table. */ | |
165 | for (cregp = shmedia_creg_table; cregp->name != NULL; cregp++) | |
47b0e7ad NC |
166 | if (cregp->cregno == cregno) |
167 | return cregp->name; | |
d28847ce AO |
168 | |
169 | return NULL; | |
170 | } | |
171 | ||
172 | /* Main function to disassemble SHmedia instructions. */ | |
173 | ||
174 | static int | |
47b0e7ad | 175 | print_insn_shmedia (bfd_vma memaddr, struct disassemble_info *info) |
d28847ce AO |
176 | { |
177 | fprintf_ftype fprintf_fn = info->fprintf_func; | |
178 | void *stream = info->stream; | |
d28847ce AO |
179 | unsigned char insn[4]; |
180 | unsigned long instruction; | |
181 | int status; | |
182 | int n; | |
183 | const shmedia_opcode_info *op; | |
184 | int i; | |
185 | unsigned int r = 0; | |
186 | long imm = 0; | |
187 | bfd_vma disp_pc_addr; | |
188 | ||
189 | status = info->read_memory_func (memaddr, insn, 4, info); | |
190 | ||
191 | /* If we can't read four bytes, something is wrong. Display any data we | |
192 | can get as .byte:s. */ | |
193 | if (status != 0) | |
194 | { | |
195 | int i; | |
196 | ||
197 | for (i = 0; i < 3; i++) | |
198 | { | |
199 | status = info->read_memory_func (memaddr + i, insn, 1, info); | |
200 | if (status != 0) | |
201 | break; | |
202 | (*fprintf_fn) (stream, "%s0x%02x", | |
203 | i == 0 ? ".byte " : ", ", | |
204 | insn[0]); | |
205 | } | |
206 | ||
207 | return i ? i : -1; | |
208 | } | |
209 | ||
210 | /* Rearrange the bytes to make up an instruction. */ | |
211 | if (info->endian == BFD_ENDIAN_LITTLE) | |
212 | instruction = bfd_getl32 (insn); | |
213 | else | |
214 | instruction = bfd_getb32 (insn); | |
215 | ||
216 | /* FIXME: Searching could be implemented using a hash on relevant | |
217 | fields. */ | |
218 | for (n = 0, op = shmedia_table; | |
219 | op->name != NULL | |
220 | && ((instruction & shmedia_opcode_mask_table[n]) != op->opcode_base); | |
221 | n++, op++) | |
222 | ; | |
223 | ||
224 | /* FIXME: We should also check register number constraints. */ | |
225 | if (op->name == NULL) | |
226 | { | |
0fd3a477 | 227 | fprintf_fn (stream, ".long 0x%08lx", instruction); |
d28847ce AO |
228 | return 4; |
229 | } | |
230 | ||
231 | fprintf_fn (stream, "%s\t", op->name); | |
232 | ||
233 | for (i = 0; i < 3 && op->arg[i] != A_NONE; i++) | |
234 | { | |
235 | unsigned long temp = instruction >> op->nibbles[i]; | |
236 | int by_number = 0; | |
237 | ||
238 | if (i > 0 && op->arg[i] != A_REUSE_PREV) | |
239 | fprintf_fn (stream, ","); | |
240 | ||
241 | switch (op->arg[i]) | |
242 | { | |
243 | case A_REUSE_PREV: | |
244 | continue; | |
245 | ||
246 | case A_GREG_M: | |
247 | case A_GREG_N: | |
248 | case A_GREG_D: | |
249 | r = temp & 0x3f; | |
250 | fprintf_fn (stream, "r%d", r); | |
251 | break; | |
252 | ||
253 | case A_FVREG_F: | |
254 | case A_FVREG_G: | |
255 | case A_FVREG_H: | |
256 | r = temp & 0x3f; | |
257 | fprintf_fn (stream, "fv%d", r); | |
258 | break; | |
259 | ||
260 | case A_FPREG_F: | |
261 | case A_FPREG_G: | |
262 | case A_FPREG_H: | |
263 | r = temp & 0x3f; | |
264 | fprintf_fn (stream, "fp%d", r); | |
265 | break; | |
266 | ||
267 | case A_FMREG_F: | |
268 | case A_FMREG_G: | |
269 | case A_FMREG_H: | |
270 | r = temp & 0x3f; | |
271 | fprintf_fn (stream, "mtrx%d", r); | |
272 | break; | |
273 | ||
274 | case A_CREG_K: | |
275 | case A_CREG_J: | |
276 | { | |
277 | const char *name; | |
47b0e7ad | 278 | |
d28847ce AO |
279 | r = temp & 0x3f; |
280 | ||
281 | name = creg_name (r); | |
282 | ||
283 | if (name != NULL) | |
284 | fprintf_fn (stream, "%s", name); | |
285 | else | |
286 | fprintf_fn (stream, "cr%d", r); | |
287 | } | |
288 | break; | |
289 | ||
290 | case A_FREG_G: | |
291 | case A_FREG_H: | |
292 | case A_FREG_F: | |
293 | r = temp & 0x3f; | |
294 | fprintf_fn (stream, "fr%d", r); | |
295 | break; | |
296 | ||
297 | case A_DREG_G: | |
298 | case A_DREG_H: | |
299 | case A_DREG_F: | |
300 | r = temp & 0x3f; | |
301 | fprintf_fn (stream, "dr%d", r); | |
302 | break; | |
303 | ||
304 | case A_TREG_A: | |
305 | case A_TREG_B: | |
306 | r = temp & 0x7; | |
307 | fprintf_fn (stream, "tr%d", r); | |
308 | break; | |
309 | ||
310 | /* A signed 6-bit number. */ | |
311 | case A_IMMS6: | |
312 | imm = temp & 0x3f; | |
313 | if (imm & (unsigned long) 0x20) | |
314 | imm |= ~(unsigned long) 0x3f; | |
0fd3a477 | 315 | fprintf_fn (stream, "%ld", imm); |
d28847ce AO |
316 | break; |
317 | ||
318 | /* A signed 6-bit number, multiplied by 32 when used. */ | |
319 | case A_IMMS6BY32: | |
320 | imm = temp & 0x3f; | |
321 | if (imm & (unsigned long) 0x20) | |
322 | imm |= ~(unsigned long) 0x3f; | |
0fd3a477 | 323 | fprintf_fn (stream, "%ld", imm * 32); |
d28847ce AO |
324 | break; |
325 | ||
326 | /* A signed 10-bit number, multiplied by 8 when used. */ | |
327 | case A_IMMS10BY8: | |
328 | by_number++; | |
329 | /* Fall through. */ | |
330 | ||
331 | /* A signed 10-bit number, multiplied by 4 when used. */ | |
332 | case A_IMMS10BY4: | |
333 | by_number++; | |
334 | /* Fall through. */ | |
335 | ||
336 | /* A signed 10-bit number, multiplied by 2 when used. */ | |
337 | case A_IMMS10BY2: | |
338 | by_number++; | |
339 | /* Fall through. */ | |
340 | ||
341 | /* A signed 10-bit number. */ | |
342 | case A_IMMS10: | |
343 | case A_IMMS10BY1: | |
344 | imm = temp & 0x3ff; | |
345 | if (imm & (unsigned long) 0x200) | |
346 | imm |= ~(unsigned long) 0x3ff; | |
347 | imm <<= by_number; | |
0fd3a477 | 348 | fprintf_fn (stream, "%ld", imm); |
d28847ce AO |
349 | break; |
350 | ||
351 | /* A signed 16-bit number. */ | |
352 | case A_IMMS16: | |
353 | imm = temp & 0xffff; | |
354 | if (imm & (unsigned long) 0x8000) | |
355 | imm |= ~((unsigned long) 0xffff); | |
0fd3a477 | 356 | fprintf_fn (stream, "%ld", imm); |
d28847ce AO |
357 | break; |
358 | ||
359 | /* A PC-relative signed 16-bit number, multiplied by 4 when | |
360 | used. */ | |
361 | case A_PCIMMS16BY4: | |
362 | imm = temp & 0xffff; /* 16 bits */ | |
363 | if (imm & (unsigned long) 0x8000) | |
364 | imm |= ~(unsigned long) 0xffff; | |
365 | imm <<= 2; | |
366 | disp_pc_addr = (bfd_vma) imm + memaddr; | |
367 | (*info->print_address_func) (disp_pc_addr, info); | |
368 | break; | |
369 | ||
370 | /* An unsigned 5-bit number. */ | |
371 | case A_IMMU5: | |
372 | imm = temp & 0x1f; | |
0fd3a477 | 373 | fprintf_fn (stream, "%ld", imm); |
d28847ce AO |
374 | break; |
375 | ||
376 | /* An unsigned 6-bit number. */ | |
377 | case A_IMMU6: | |
378 | imm = temp & 0x3f; | |
0fd3a477 | 379 | fprintf_fn (stream, "%ld", imm); |
d28847ce AO |
380 | break; |
381 | ||
382 | /* An unsigned 16-bit number. */ | |
383 | case A_IMMU16: | |
384 | imm = temp & 0xffff; | |
0fd3a477 | 385 | fprintf_fn (stream, "%ld", imm); |
d28847ce AO |
386 | break; |
387 | ||
388 | default: | |
389 | abort (); | |
390 | break; | |
391 | } | |
392 | } | |
393 | ||
394 | /* FIXME: Looks like 32-bit values only are handled. | |
395 | FIXME: PC-relative numbers aren't handled correctly. */ | |
396 | if (op->opcode_base == (unsigned long) SHMEDIA_SHORI_OPC | |
397 | && SAVED_MOVI_R (info) == r) | |
398 | { | |
399 | asection *section = info->section; | |
400 | ||
401 | /* Most callers do not set the section field correctly yet. Revert | |
402 | to getting the section from symbols, if any. */ | |
403 | if (section == NULL | |
404 | && info->symbols != NULL | |
405 | && bfd_asymbol_flavour (info->symbols[0]) == bfd_target_elf_flavour | |
406 | && ! bfd_is_und_section (bfd_get_section (info->symbols[0])) | |
407 | && ! bfd_is_abs_section (bfd_get_section (info->symbols[0]))) | |
408 | section = bfd_get_section (info->symbols[0]); | |
409 | ||
410 | /* Only guess addresses when the contents of this section is fully | |
411 | relocated. Otherwise, the value will be zero or perhaps even | |
412 | bogus. */ | |
413 | if (section == NULL | |
414 | || section->owner == NULL | |
415 | || elf_elfheader (section->owner)->e_type == ET_EXEC) | |
416 | { | |
417 | bfd_signed_vma shori_addr; | |
418 | ||
419 | shori_addr = SAVED_MOVI_IMM (info) << 16; | |
420 | shori_addr |= imm; | |
421 | ||
422 | fprintf_fn (stream, "\t! 0x"); | |
423 | (*info->print_address_func) (shori_addr, info); | |
424 | } | |
425 | } | |
426 | ||
427 | if (op->opcode_base == SHMEDIA_MOVI_OPC) | |
428 | { | |
429 | SAVED_MOVI_IMM (info) = imm; | |
430 | SAVED_MOVI_R (info) = r; | |
431 | } | |
432 | else | |
433 | { | |
434 | SAVED_MOVI_IMM (info) = 0; | |
435 | SAVED_MOVI_R (info) = 255; | |
436 | } | |
437 | ||
438 | return 4; | |
439 | } | |
440 | ||
441 | /* Check the type of contents about to be disassembled. This is like | |
442 | sh64_get_contents_type (which may be called from here), except that it | |
443 | takes the same arguments as print_insn_* and does what can be done if | |
444 | no section is available. */ | |
445 | ||
446 | static enum sh64_elf_cr_type | |
47b0e7ad | 447 | sh64_get_contents_type_disasm (bfd_vma memaddr, struct disassemble_info *info) |
d28847ce AO |
448 | { |
449 | struct sh64_disassemble_info *sh64_infop = info->private_data; | |
450 | ||
451 | /* Perhaps we have a region from a previous probe and it still counts | |
452 | for this address? */ | |
453 | if (sh64_infop->crange.cr_type != CRT_NONE | |
454 | && memaddr >= sh64_infop->crange.cr_addr | |
455 | && memaddr < sh64_infop->crange.cr_addr + sh64_infop->crange.cr_size) | |
456 | return sh64_infop->crange.cr_type; | |
457 | ||
458 | /* If we have a section, try and use it. */ | |
459 | if (info->section | |
460 | && bfd_get_flavour (info->section->owner) == bfd_target_elf_flavour) | |
461 | { | |
462 | enum sh64_elf_cr_type cr_type | |
463 | = sh64_get_contents_type (info->section, memaddr, | |
464 | &sh64_infop->crange); | |
465 | ||
466 | if (cr_type != CRT_NONE) | |
467 | return cr_type; | |
468 | } | |
469 | ||
470 | /* If we have symbols, we can try and get at a section from *that*. */ | |
471 | if (info->symbols != NULL | |
472 | && bfd_asymbol_flavour (info->symbols[0]) == bfd_target_elf_flavour | |
473 | && ! bfd_is_und_section (bfd_get_section (info->symbols[0])) | |
474 | && ! bfd_is_abs_section (bfd_get_section (info->symbols[0]))) | |
475 | { | |
476 | enum sh64_elf_cr_type cr_type | |
477 | = sh64_get_contents_type (bfd_get_section (info->symbols[0]), | |
478 | memaddr, &sh64_infop->crange); | |
479 | ||
480 | if (cr_type != CRT_NONE) | |
481 | return cr_type; | |
482 | } | |
483 | ||
484 | /* We can make a reasonable guess based on the st_other field of a | |
485 | symbol; for a BranchTarget this is marked as STO_SH5_ISA32 and then | |
486 | it's most probably code there. */ | |
487 | if (info->symbols | |
488 | && bfd_asymbol_flavour (info->symbols[0]) == bfd_target_elf_flavour | |
489 | && elf_symbol_from (bfd_asymbol_bfd (info->symbols[0]), | |
490 | info->symbols[0])->internal_elf_sym.st_other | |
491 | == STO_SH5_ISA32) | |
492 | return CRT_SH5_ISA32; | |
493 | ||
494 | /* If all else fails, guess this is code and guess on the low bit set. */ | |
495 | return (memaddr & 1) == 1 ? CRT_SH5_ISA32 : CRT_SH5_ISA16; | |
496 | } | |
497 | ||
498 | /* Initialize static and dynamic disassembly state. */ | |
499 | ||
b34976b6 | 500 | static bfd_boolean |
47b0e7ad | 501 | init_sh64_disasm_info (struct disassemble_info *info) |
d28847ce AO |
502 | { |
503 | struct sh64_disassemble_info *sh64_infop | |
504 | = calloc (sizeof (*sh64_infop), 1); | |
505 | ||
506 | if (sh64_infop == NULL) | |
b34976b6 | 507 | return FALSE; |
d28847ce AO |
508 | |
509 | info->private_data = sh64_infop; | |
510 | ||
511 | SAVED_MOVI_IMM (info) = 0; | |
512 | SAVED_MOVI_R (info) = 255; | |
513 | ||
514 | if (shmedia_opcode_mask_table == NULL) | |
515 | initialize_shmedia_opcode_mask_table (); | |
516 | ||
b34976b6 | 517 | return TRUE; |
d28847ce AO |
518 | } |
519 | ||
520 | /* Main entry to disassemble SHmedia instructions, given an endian set in | |
521 | INFO. Note that the simulator uses this as the main entry and does not | |
522 | use any of the functions further below. */ | |
523 | ||
b34976b6 | 524 | int |
47b0e7ad | 525 | print_insn_sh64x_media (bfd_vma memaddr, struct disassemble_info *info) |
d28847ce AO |
526 | { |
527 | if (info->private_data == NULL && ! init_sh64_disasm_info (info)) | |
528 | return -1; | |
529 | ||
530 | /* Make reasonable output. */ | |
531 | info->bytes_per_line = 4; | |
532 | info->bytes_per_chunk = 4; | |
533 | ||
534 | return print_insn_shmedia (memaddr, info); | |
535 | } | |
536 | ||
1c509ca8 JR |
537 | /* Main entry to disassemble SHmedia insns. |
538 | If we see an SHcompact instruction, return -2. */ | |
d28847ce | 539 | |
b34976b6 | 540 | int |
47b0e7ad | 541 | print_insn_sh64 (bfd_vma memaddr, struct disassemble_info *info) |
d28847ce | 542 | { |
1c509ca8 | 543 | enum bfd_endian endian = info->endian; |
d28847ce AO |
544 | enum sh64_elf_cr_type cr_type; |
545 | ||
546 | if (info->private_data == NULL && ! init_sh64_disasm_info (info)) | |
547 | return -1; | |
548 | ||
549 | cr_type = sh64_get_contents_type_disasm (memaddr, info); | |
550 | if (cr_type != CRT_SH5_ISA16) | |
551 | { | |
552 | int length = 4 - (memaddr % 4); | |
553 | info->display_endian = endian; | |
554 | ||
1c509ca8 JR |
555 | /* If we got an uneven address to indicate SHmedia, adjust it. */ |
556 | if (cr_type == CRT_SH5_ISA32 && length == 3) | |
557 | memaddr--, length = 4; | |
558 | ||
d28847ce AO |
559 | /* Only disassemble on four-byte boundaries. Addresses that are not |
560 | a multiple of four can happen after a data region. */ | |
561 | if (cr_type == CRT_SH5_ISA32 && length == 4) | |
562 | return print_insn_sh64x_media (memaddr, info); | |
563 | ||
564 | /* We get CRT_DATA *only* for data regions in a mixed-contents | |
565 | section. For sections with data only, we get indication of one | |
566 | of the ISA:s. You may think that we shouldn't disassemble | |
567 | section with only data if we can figure that out. However, the | |
568 | disassembly function is by default not called for data-only | |
569 | sections, so if the user explicitly specified disassembly of a | |
570 | data section, that's what we should do. */ | |
571 | if (cr_type == CRT_DATA || length != 4) | |
572 | { | |
573 | int status; | |
574 | unsigned char data[4]; | |
575 | struct sh64_disassemble_info *sh64_infop = info->private_data; | |
576 | ||
577 | if (length == 4 | |
578 | && sh64_infop->crange.cr_type != CRT_NONE | |
579 | && memaddr >= sh64_infop->crange.cr_addr | |
580 | && memaddr < (sh64_infop->crange.cr_addr | |
581 | + sh64_infop->crange.cr_size)) | |
582 | length | |
583 | = (sh64_infop->crange.cr_addr | |
584 | + sh64_infop->crange.cr_size - memaddr); | |
585 | ||
586 | status | |
587 | = (*info->read_memory_func) (memaddr, data, | |
588 | length >= 4 ? 4 : length, info); | |
589 | ||
590 | if (status == 0 && length >= 4) | |
591 | { | |
592 | (*info->fprintf_func) (info->stream, ".long 0x%08lx", | |
593 | endian == BFD_ENDIAN_BIG | |
594 | ? (long) (bfd_getb32 (data)) | |
595 | : (long) (bfd_getl32 (data))); | |
596 | return 4; | |
597 | } | |
598 | else | |
599 | { | |
600 | int i; | |
601 | ||
602 | for (i = 0; i < length; i++) | |
603 | { | |
604 | status = info->read_memory_func (memaddr + i, data, 1, info); | |
605 | if (status != 0) | |
606 | break; | |
607 | (*info->fprintf_func) (info->stream, "%s0x%02x", | |
608 | i == 0 ? ".byte " : ", ", | |
609 | data[0]); | |
610 | } | |
611 | ||
612 | return i ? i : -1; | |
613 | } | |
614 | } | |
615 | } | |
616 | ||
1c509ca8 JR |
617 | /* SH1 .. SH4 instruction, let caller handle it. */ |
618 | return -2; | |
d28847ce | 619 | } |