Commit | Line | Data |
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d28847ce | 1 | /* Disassemble SH64 instructions. |
f0abc2a1 | 2 | Copyright 2000, 2001, 2002, 2003 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 | |
16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
17 | ||
18 | #include <stdio.h> | |
19 | ||
20 | #include "dis-asm.h" | |
21 | #include "sysdep.h" | |
22 | #include "sh64-opc.h" | |
23 | #include "libiberty.h" | |
24 | ||
25 | /* We need to refer to the ELF header structure. */ | |
26 | #include "elf-bfd.h" | |
27 | #include "elf/sh.h" | |
f0abc2a1 | 28 | #include "elf32-sh64.h" |
d28847ce AO |
29 | |
30 | #define ELF_MODE32_CODE_LABEL_P(SYM) \ | |
31 | (((elf_symbol_type *) (SYM))->internal_elf_sym.st_other & STO_SH5_ISA32) | |
32 | ||
33 | #define SAVED_MOVI_R(INFO) \ | |
34 | (((struct sh64_disassemble_info *) ((INFO)->private_data))->address_reg) | |
35 | ||
36 | #define SAVED_MOVI_IMM(INFO) \ | |
37 | (((struct sh64_disassemble_info *) ((INFO)->private_data))->built_address) | |
38 | ||
39 | struct sh64_disassemble_info | |
40 | { | |
41 | /* When we see a MOVI, we save the register and the value, and merge a | |
42 | subsequent SHORI and display the address, if there is one. */ | |
43 | unsigned int address_reg; | |
44 | bfd_signed_vma built_address; | |
45 | ||
46 | /* This is the range decriptor for the current address. It is kept | |
47 | around for the next call. */ | |
48 | sh64_elf_crange crange; | |
49 | }; | |
50 | ||
51 | /* Each item in the table is a mask to indicate which bits to be set | |
b34976b6 | 52 | to determine an instruction's operator. |
d28847ce AO |
53 | The index is as same as the instruction in the opcode table. |
54 | Note that some archs have this as a field in the opcode table. */ | |
55 | static unsigned long *shmedia_opcode_mask_table; | |
56 | ||
57 | static void initialize_shmedia_opcode_mask_table PARAMS ((void)); | |
58 | static int print_insn_shmedia PARAMS ((bfd_vma, disassemble_info *)); | |
d28847ce | 59 | static const char *creg_name PARAMS ((int)); |
b34976b6 | 60 | static bfd_boolean init_sh64_disasm_info PARAMS ((struct disassemble_info *)); |
d28847ce AO |
61 | static enum sh64_elf_cr_type sh64_get_contents_type_disasm |
62 | PARAMS ((bfd_vma, struct disassemble_info *)); | |
63 | ||
64 | /* Initialize the SH64 opcode mask table for each instruction in SHmedia | |
65 | mode. */ | |
66 | ||
67 | static void | |
68 | initialize_shmedia_opcode_mask_table () | |
69 | { | |
70 | int n_opc; | |
71 | int n; | |
72 | ||
73 | /* Calculate number of opcodes. */ | |
74 | for (n_opc = 0; shmedia_table[n_opc].name != NULL; n_opc++) | |
75 | ; | |
76 | ||
77 | shmedia_opcode_mask_table | |
78 | = xmalloc (sizeof (shmedia_opcode_mask_table[0]) * n_opc); | |
79 | ||
80 | for (n = 0; n < n_opc; n++) | |
81 | { | |
82 | int i; | |
83 | ||
84 | unsigned long mask = 0; | |
85 | ||
86 | for (i = 0; shmedia_table[n].arg[i] != A_NONE; i++) | |
87 | { | |
88 | int offset = shmedia_table[n].nibbles[i]; | |
89 | int length; | |
b34976b6 | 90 | |
d28847ce AO |
91 | switch (shmedia_table[n].arg[i]) |
92 | { | |
93 | case A_GREG_M: | |
94 | case A_GREG_N: | |
95 | case A_GREG_D: | |
96 | case A_CREG_K: | |
97 | case A_CREG_J: | |
98 | case A_FREG_G: | |
99 | case A_FREG_H: | |
100 | case A_FREG_F: | |
101 | case A_DREG_G: | |
102 | case A_DREG_H: | |
103 | case A_DREG_F: | |
104 | case A_FMREG_G: | |
105 | case A_FMREG_H: | |
106 | case A_FMREG_F: | |
107 | case A_FPREG_G: | |
108 | case A_FPREG_H: | |
109 | case A_FPREG_F: | |
110 | case A_FVREG_G: | |
111 | case A_FVREG_H: | |
112 | case A_FVREG_F: | |
113 | case A_REUSE_PREV: | |
114 | length = 6; | |
115 | break; | |
116 | ||
117 | case A_TREG_A: | |
118 | case A_TREG_B: | |
119 | length = 3; | |
120 | break; | |
121 | ||
b34976b6 | 122 | case A_IMMM: |
d28847ce AO |
123 | abort (); |
124 | break; | |
125 | ||
126 | case A_IMMU5: | |
127 | length = 5; | |
128 | break; | |
129 | ||
130 | case A_IMMS6: | |
131 | case A_IMMU6: | |
132 | case A_IMMS6BY32: | |
133 | length = 6; | |
134 | break; | |
135 | ||
136 | case A_IMMS10: | |
137 | case A_IMMS10BY1: | |
138 | case A_IMMS10BY2: | |
139 | case A_IMMS10BY4: | |
140 | case A_IMMS10BY8: | |
141 | length = 10; | |
142 | break; | |
143 | ||
144 | case A_IMMU16: | |
145 | case A_IMMS16: | |
146 | case A_PCIMMS16BY4: | |
147 | case A_PCIMMS16BY4_PT: | |
148 | length = 16; | |
149 | break; | |
150 | ||
151 | default: | |
152 | abort (); | |
153 | length = 0; | |
154 | break; | |
155 | } | |
156 | ||
157 | if (length != 0) | |
158 | mask |= (0xffffffff >> (32 - length)) << offset; | |
159 | } | |
160 | shmedia_opcode_mask_table[n] = 0xffffffff & ~mask; | |
161 | } | |
162 | } | |
163 | ||
164 | /* Get a predefined control-register-name, or return NULL. */ | |
165 | ||
166 | const char * | |
167 | creg_name (cregno) | |
168 | int cregno; | |
169 | { | |
170 | const shmedia_creg_info *cregp; | |
171 | ||
172 | /* If control register usage is common enough, change this to search a | |
173 | hash-table. */ | |
174 | for (cregp = shmedia_creg_table; cregp->name != NULL; cregp++) | |
175 | { | |
176 | if (cregp->cregno == cregno) | |
177 | return cregp->name; | |
178 | } | |
179 | ||
180 | return NULL; | |
181 | } | |
182 | ||
183 | /* Main function to disassemble SHmedia instructions. */ | |
184 | ||
185 | static int | |
186 | print_insn_shmedia (memaddr, info) | |
187 | bfd_vma memaddr; | |
188 | struct disassemble_info *info; | |
189 | { | |
190 | fprintf_ftype fprintf_fn = info->fprintf_func; | |
191 | void *stream = info->stream; | |
192 | ||
193 | unsigned char insn[4]; | |
194 | unsigned long instruction; | |
195 | int status; | |
196 | int n; | |
197 | const shmedia_opcode_info *op; | |
198 | int i; | |
199 | unsigned int r = 0; | |
200 | long imm = 0; | |
201 | bfd_vma disp_pc_addr; | |
202 | ||
203 | status = info->read_memory_func (memaddr, insn, 4, info); | |
204 | ||
205 | /* If we can't read four bytes, something is wrong. Display any data we | |
206 | can get as .byte:s. */ | |
207 | if (status != 0) | |
208 | { | |
209 | int i; | |
210 | ||
211 | for (i = 0; i < 3; i++) | |
212 | { | |
213 | status = info->read_memory_func (memaddr + i, insn, 1, info); | |
214 | if (status != 0) | |
215 | break; | |
216 | (*fprintf_fn) (stream, "%s0x%02x", | |
217 | i == 0 ? ".byte " : ", ", | |
218 | insn[0]); | |
219 | } | |
220 | ||
221 | return i ? i : -1; | |
222 | } | |
223 | ||
224 | /* Rearrange the bytes to make up an instruction. */ | |
225 | if (info->endian == BFD_ENDIAN_LITTLE) | |
226 | instruction = bfd_getl32 (insn); | |
227 | else | |
228 | instruction = bfd_getb32 (insn); | |
229 | ||
230 | /* FIXME: Searching could be implemented using a hash on relevant | |
231 | fields. */ | |
232 | for (n = 0, op = shmedia_table; | |
233 | op->name != NULL | |
234 | && ((instruction & shmedia_opcode_mask_table[n]) != op->opcode_base); | |
235 | n++, op++) | |
236 | ; | |
237 | ||
238 | /* FIXME: We should also check register number constraints. */ | |
239 | if (op->name == NULL) | |
240 | { | |
241 | fprintf_fn (stream, ".long 0x%08x", instruction); | |
242 | return 4; | |
243 | } | |
244 | ||
245 | fprintf_fn (stream, "%s\t", op->name); | |
246 | ||
247 | for (i = 0; i < 3 && op->arg[i] != A_NONE; i++) | |
248 | { | |
249 | unsigned long temp = instruction >> op->nibbles[i]; | |
250 | int by_number = 0; | |
251 | ||
252 | if (i > 0 && op->arg[i] != A_REUSE_PREV) | |
253 | fprintf_fn (stream, ","); | |
254 | ||
255 | switch (op->arg[i]) | |
256 | { | |
257 | case A_REUSE_PREV: | |
258 | continue; | |
259 | ||
260 | case A_GREG_M: | |
261 | case A_GREG_N: | |
262 | case A_GREG_D: | |
263 | r = temp & 0x3f; | |
264 | fprintf_fn (stream, "r%d", r); | |
265 | break; | |
266 | ||
267 | case A_FVREG_F: | |
268 | case A_FVREG_G: | |
269 | case A_FVREG_H: | |
270 | r = temp & 0x3f; | |
271 | fprintf_fn (stream, "fv%d", r); | |
272 | break; | |
273 | ||
274 | case A_FPREG_F: | |
275 | case A_FPREG_G: | |
276 | case A_FPREG_H: | |
277 | r = temp & 0x3f; | |
278 | fprintf_fn (stream, "fp%d", r); | |
279 | break; | |
280 | ||
281 | case A_FMREG_F: | |
282 | case A_FMREG_G: | |
283 | case A_FMREG_H: | |
284 | r = temp & 0x3f; | |
285 | fprintf_fn (stream, "mtrx%d", r); | |
286 | break; | |
287 | ||
288 | case A_CREG_K: | |
289 | case A_CREG_J: | |
290 | { | |
291 | const char *name; | |
292 | r = temp & 0x3f; | |
293 | ||
294 | name = creg_name (r); | |
295 | ||
296 | if (name != NULL) | |
297 | fprintf_fn (stream, "%s", name); | |
298 | else | |
299 | fprintf_fn (stream, "cr%d", r); | |
300 | } | |
301 | break; | |
302 | ||
303 | case A_FREG_G: | |
304 | case A_FREG_H: | |
305 | case A_FREG_F: | |
306 | r = temp & 0x3f; | |
307 | fprintf_fn (stream, "fr%d", r); | |
308 | break; | |
309 | ||
310 | case A_DREG_G: | |
311 | case A_DREG_H: | |
312 | case A_DREG_F: | |
313 | r = temp & 0x3f; | |
314 | fprintf_fn (stream, "dr%d", r); | |
315 | break; | |
316 | ||
317 | case A_TREG_A: | |
318 | case A_TREG_B: | |
319 | r = temp & 0x7; | |
320 | fprintf_fn (stream, "tr%d", r); | |
321 | break; | |
322 | ||
323 | /* A signed 6-bit number. */ | |
324 | case A_IMMS6: | |
325 | imm = temp & 0x3f; | |
326 | if (imm & (unsigned long) 0x20) | |
327 | imm |= ~(unsigned long) 0x3f; | |
328 | fprintf_fn (stream, "%d", imm); | |
329 | break; | |
330 | ||
331 | /* A signed 6-bit number, multiplied by 32 when used. */ | |
332 | case A_IMMS6BY32: | |
333 | imm = temp & 0x3f; | |
334 | if (imm & (unsigned long) 0x20) | |
335 | imm |= ~(unsigned long) 0x3f; | |
336 | fprintf_fn (stream, "%d", imm * 32); | |
337 | break; | |
338 | ||
339 | /* A signed 10-bit number, multiplied by 8 when used. */ | |
340 | case A_IMMS10BY8: | |
341 | by_number++; | |
342 | /* Fall through. */ | |
343 | ||
344 | /* A signed 10-bit number, multiplied by 4 when used. */ | |
345 | case A_IMMS10BY4: | |
346 | by_number++; | |
347 | /* Fall through. */ | |
348 | ||
349 | /* A signed 10-bit number, multiplied by 2 when used. */ | |
350 | case A_IMMS10BY2: | |
351 | by_number++; | |
352 | /* Fall through. */ | |
353 | ||
354 | /* A signed 10-bit number. */ | |
355 | case A_IMMS10: | |
356 | case A_IMMS10BY1: | |
357 | imm = temp & 0x3ff; | |
358 | if (imm & (unsigned long) 0x200) | |
359 | imm |= ~(unsigned long) 0x3ff; | |
360 | imm <<= by_number; | |
361 | fprintf_fn (stream, "%d", imm); | |
362 | break; | |
363 | ||
364 | /* A signed 16-bit number. */ | |
365 | case A_IMMS16: | |
366 | imm = temp & 0xffff; | |
367 | if (imm & (unsigned long) 0x8000) | |
368 | imm |= ~((unsigned long) 0xffff); | |
369 | fprintf_fn (stream, "%d", imm); | |
370 | break; | |
371 | ||
372 | /* A PC-relative signed 16-bit number, multiplied by 4 when | |
373 | used. */ | |
374 | case A_PCIMMS16BY4: | |
375 | imm = temp & 0xffff; /* 16 bits */ | |
376 | if (imm & (unsigned long) 0x8000) | |
377 | imm |= ~(unsigned long) 0xffff; | |
378 | imm <<= 2; | |
379 | disp_pc_addr = (bfd_vma) imm + memaddr; | |
380 | (*info->print_address_func) (disp_pc_addr, info); | |
381 | break; | |
382 | ||
383 | /* An unsigned 5-bit number. */ | |
384 | case A_IMMU5: | |
385 | imm = temp & 0x1f; | |
386 | fprintf_fn (stream, "%d", imm); | |
387 | break; | |
388 | ||
389 | /* An unsigned 6-bit number. */ | |
390 | case A_IMMU6: | |
391 | imm = temp & 0x3f; | |
392 | fprintf_fn (stream, "%d", imm); | |
393 | break; | |
394 | ||
395 | /* An unsigned 16-bit number. */ | |
396 | case A_IMMU16: | |
397 | imm = temp & 0xffff; | |
398 | fprintf_fn (stream, "%d", imm); | |
399 | break; | |
400 | ||
401 | default: | |
402 | abort (); | |
403 | break; | |
404 | } | |
405 | } | |
406 | ||
407 | /* FIXME: Looks like 32-bit values only are handled. | |
408 | FIXME: PC-relative numbers aren't handled correctly. */ | |
409 | if (op->opcode_base == (unsigned long) SHMEDIA_SHORI_OPC | |
410 | && SAVED_MOVI_R (info) == r) | |
411 | { | |
412 | asection *section = info->section; | |
413 | ||
414 | /* Most callers do not set the section field correctly yet. Revert | |
415 | to getting the section from symbols, if any. */ | |
416 | if (section == NULL | |
417 | && info->symbols != NULL | |
418 | && bfd_asymbol_flavour (info->symbols[0]) == bfd_target_elf_flavour | |
419 | && ! bfd_is_und_section (bfd_get_section (info->symbols[0])) | |
420 | && ! bfd_is_abs_section (bfd_get_section (info->symbols[0]))) | |
421 | section = bfd_get_section (info->symbols[0]); | |
422 | ||
423 | /* Only guess addresses when the contents of this section is fully | |
424 | relocated. Otherwise, the value will be zero or perhaps even | |
425 | bogus. */ | |
426 | if (section == NULL | |
427 | || section->owner == NULL | |
428 | || elf_elfheader (section->owner)->e_type == ET_EXEC) | |
429 | { | |
430 | bfd_signed_vma shori_addr; | |
431 | ||
432 | shori_addr = SAVED_MOVI_IMM (info) << 16; | |
433 | shori_addr |= imm; | |
434 | ||
435 | fprintf_fn (stream, "\t! 0x"); | |
436 | (*info->print_address_func) (shori_addr, info); | |
437 | } | |
438 | } | |
439 | ||
440 | if (op->opcode_base == SHMEDIA_MOVI_OPC) | |
441 | { | |
442 | SAVED_MOVI_IMM (info) = imm; | |
443 | SAVED_MOVI_R (info) = r; | |
444 | } | |
445 | else | |
446 | { | |
447 | SAVED_MOVI_IMM (info) = 0; | |
448 | SAVED_MOVI_R (info) = 255; | |
449 | } | |
450 | ||
451 | return 4; | |
452 | } | |
453 | ||
454 | /* Check the type of contents about to be disassembled. This is like | |
455 | sh64_get_contents_type (which may be called from here), except that it | |
456 | takes the same arguments as print_insn_* and does what can be done if | |
457 | no section is available. */ | |
458 | ||
459 | static enum sh64_elf_cr_type | |
460 | sh64_get_contents_type_disasm (memaddr, info) | |
461 | bfd_vma memaddr; | |
462 | struct disassemble_info *info; | |
463 | { | |
464 | struct sh64_disassemble_info *sh64_infop = info->private_data; | |
465 | ||
466 | /* Perhaps we have a region from a previous probe and it still counts | |
467 | for this address? */ | |
468 | if (sh64_infop->crange.cr_type != CRT_NONE | |
469 | && memaddr >= sh64_infop->crange.cr_addr | |
470 | && memaddr < sh64_infop->crange.cr_addr + sh64_infop->crange.cr_size) | |
471 | return sh64_infop->crange.cr_type; | |
472 | ||
473 | /* If we have a section, try and use it. */ | |
474 | if (info->section | |
475 | && bfd_get_flavour (info->section->owner) == bfd_target_elf_flavour) | |
476 | { | |
477 | enum sh64_elf_cr_type cr_type | |
478 | = sh64_get_contents_type (info->section, memaddr, | |
479 | &sh64_infop->crange); | |
480 | ||
481 | if (cr_type != CRT_NONE) | |
482 | return cr_type; | |
483 | } | |
484 | ||
485 | /* If we have symbols, we can try and get at a section from *that*. */ | |
486 | if (info->symbols != NULL | |
487 | && bfd_asymbol_flavour (info->symbols[0]) == bfd_target_elf_flavour | |
488 | && ! bfd_is_und_section (bfd_get_section (info->symbols[0])) | |
489 | && ! bfd_is_abs_section (bfd_get_section (info->symbols[0]))) | |
490 | { | |
491 | enum sh64_elf_cr_type cr_type | |
492 | = sh64_get_contents_type (bfd_get_section (info->symbols[0]), | |
493 | memaddr, &sh64_infop->crange); | |
494 | ||
495 | if (cr_type != CRT_NONE) | |
496 | return cr_type; | |
497 | } | |
498 | ||
499 | /* We can make a reasonable guess based on the st_other field of a | |
500 | symbol; for a BranchTarget this is marked as STO_SH5_ISA32 and then | |
501 | it's most probably code there. */ | |
502 | if (info->symbols | |
503 | && bfd_asymbol_flavour (info->symbols[0]) == bfd_target_elf_flavour | |
504 | && elf_symbol_from (bfd_asymbol_bfd (info->symbols[0]), | |
505 | info->symbols[0])->internal_elf_sym.st_other | |
506 | == STO_SH5_ISA32) | |
507 | return CRT_SH5_ISA32; | |
508 | ||
509 | /* If all else fails, guess this is code and guess on the low bit set. */ | |
510 | return (memaddr & 1) == 1 ? CRT_SH5_ISA32 : CRT_SH5_ISA16; | |
511 | } | |
512 | ||
513 | /* Initialize static and dynamic disassembly state. */ | |
514 | ||
b34976b6 | 515 | static bfd_boolean |
d28847ce AO |
516 | init_sh64_disasm_info (info) |
517 | struct disassemble_info *info; | |
518 | { | |
519 | struct sh64_disassemble_info *sh64_infop | |
520 | = calloc (sizeof (*sh64_infop), 1); | |
521 | ||
522 | if (sh64_infop == NULL) | |
b34976b6 | 523 | return FALSE; |
d28847ce AO |
524 | |
525 | info->private_data = sh64_infop; | |
526 | ||
527 | SAVED_MOVI_IMM (info) = 0; | |
528 | SAVED_MOVI_R (info) = 255; | |
529 | ||
530 | if (shmedia_opcode_mask_table == NULL) | |
531 | initialize_shmedia_opcode_mask_table (); | |
532 | ||
b34976b6 | 533 | return TRUE; |
d28847ce AO |
534 | } |
535 | ||
536 | /* Main entry to disassemble SHmedia instructions, given an endian set in | |
537 | INFO. Note that the simulator uses this as the main entry and does not | |
538 | use any of the functions further below. */ | |
539 | ||
b34976b6 | 540 | int |
d28847ce AO |
541 | print_insn_sh64x_media (memaddr, info) |
542 | bfd_vma memaddr; | |
543 | struct disassemble_info *info; | |
544 | { | |
545 | if (info->private_data == NULL && ! init_sh64_disasm_info (info)) | |
546 | return -1; | |
547 | ||
548 | /* Make reasonable output. */ | |
549 | info->bytes_per_line = 4; | |
550 | info->bytes_per_chunk = 4; | |
551 | ||
552 | return print_insn_shmedia (memaddr, info); | |
553 | } | |
554 | ||
1c509ca8 JR |
555 | /* Main entry to disassemble SHmedia insns. |
556 | If we see an SHcompact instruction, return -2. */ | |
d28847ce | 557 | |
b34976b6 | 558 | int |
1c509ca8 | 559 | print_insn_sh64 (memaddr, info) |
d28847ce AO |
560 | bfd_vma memaddr; |
561 | struct disassemble_info *info; | |
d28847ce | 562 | { |
1c509ca8 | 563 | enum bfd_endian endian = info->endian; |
d28847ce AO |
564 | enum sh64_elf_cr_type cr_type; |
565 | ||
566 | if (info->private_data == NULL && ! init_sh64_disasm_info (info)) | |
567 | return -1; | |
568 | ||
569 | cr_type = sh64_get_contents_type_disasm (memaddr, info); | |
570 | if (cr_type != CRT_SH5_ISA16) | |
571 | { | |
572 | int length = 4 - (memaddr % 4); | |
573 | info->display_endian = endian; | |
574 | ||
1c509ca8 JR |
575 | /* If we got an uneven address to indicate SHmedia, adjust it. */ |
576 | if (cr_type == CRT_SH5_ISA32 && length == 3) | |
577 | memaddr--, length = 4; | |
578 | ||
d28847ce AO |
579 | /* Only disassemble on four-byte boundaries. Addresses that are not |
580 | a multiple of four can happen after a data region. */ | |
581 | if (cr_type == CRT_SH5_ISA32 && length == 4) | |
582 | return print_insn_sh64x_media (memaddr, info); | |
583 | ||
584 | /* We get CRT_DATA *only* for data regions in a mixed-contents | |
585 | section. For sections with data only, we get indication of one | |
586 | of the ISA:s. You may think that we shouldn't disassemble | |
587 | section with only data if we can figure that out. However, the | |
588 | disassembly function is by default not called for data-only | |
589 | sections, so if the user explicitly specified disassembly of a | |
590 | data section, that's what we should do. */ | |
591 | if (cr_type == CRT_DATA || length != 4) | |
592 | { | |
593 | int status; | |
594 | unsigned char data[4]; | |
595 | struct sh64_disassemble_info *sh64_infop = info->private_data; | |
596 | ||
597 | if (length == 4 | |
598 | && sh64_infop->crange.cr_type != CRT_NONE | |
599 | && memaddr >= sh64_infop->crange.cr_addr | |
600 | && memaddr < (sh64_infop->crange.cr_addr | |
601 | + sh64_infop->crange.cr_size)) | |
602 | length | |
603 | = (sh64_infop->crange.cr_addr | |
604 | + sh64_infop->crange.cr_size - memaddr); | |
605 | ||
606 | status | |
607 | = (*info->read_memory_func) (memaddr, data, | |
608 | length >= 4 ? 4 : length, info); | |
609 | ||
610 | if (status == 0 && length >= 4) | |
611 | { | |
612 | (*info->fprintf_func) (info->stream, ".long 0x%08lx", | |
613 | endian == BFD_ENDIAN_BIG | |
614 | ? (long) (bfd_getb32 (data)) | |
615 | : (long) (bfd_getl32 (data))); | |
616 | return 4; | |
617 | } | |
618 | else | |
619 | { | |
620 | int i; | |
621 | ||
622 | for (i = 0; i < length; i++) | |
623 | { | |
624 | status = info->read_memory_func (memaddr + i, data, 1, info); | |
625 | if (status != 0) | |
626 | break; | |
627 | (*info->fprintf_func) (info->stream, "%s0x%02x", | |
628 | i == 0 ? ".byte " : ", ", | |
629 | data[0]); | |
630 | } | |
631 | ||
632 | return i ? i : -1; | |
633 | } | |
634 | } | |
635 | } | |
636 | ||
1c509ca8 JR |
637 | /* SH1 .. SH4 instruction, let caller handle it. */ |
638 | return -2; | |
d28847ce | 639 | } |