Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* tc-v850.c -- Assembler code for the NEC V850 |
310b5aa2 | 2 | Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation. |
252b5132 RH |
3 | |
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #include <stdio.h> | |
22 | #include <ctype.h> | |
23 | #include "as.h" | |
28e4f854 | 24 | #include "subsegs.h" |
252b5132 RH |
25 | #include "opcode/v850.h" |
26 | ||
27 | #define AREA_ZDA 0 | |
28 | #define AREA_SDA 1 | |
29 | #define AREA_TDA 2 | |
30 | ||
28e4f854 KH |
31 | /* Sign-extend a 16-bit number. */ |
32 | #define SEXT16(x) ((((x) & 0xffff) ^ (~0x7fff)) + 0x8000) | |
252b5132 RH |
33 | |
34 | /* Temporarily holds the reloc in a cons expression. */ | |
35 | static bfd_reloc_code_real_type hold_cons_reloc; | |
36 | ||
37 | /* Set to TRUE if we want to be pedantic about signed overflows. */ | |
38 | static boolean warn_signed_overflows = FALSE; | |
39 | static boolean warn_unsigned_overflows = FALSE; | |
40 | ||
41 | /* Indicates the target BFD machine number. */ | |
28e4f854 | 42 | static int machine = -1; |
252b5132 RH |
43 | |
44 | /* Indicates the target processor(s) for the assemble. */ | |
28e4f854 | 45 | static int processor_mask = -1; |
252b5132 RH |
46 | \f |
47 | /* Structure to hold information about predefined registers. */ | |
48 | struct reg_name | |
49 | { | |
28e4f854 KH |
50 | const char *name; |
51 | int value; | |
252b5132 RH |
52 | }; |
53 | ||
28e4f854 KH |
54 | /* Generic assembler global variables which must be defined by all |
55 | targets. */ | |
252b5132 | 56 | |
28e4f854 | 57 | /* Characters which always start a comment. */ |
252b5132 RH |
58 | const char comment_chars[] = "#"; |
59 | ||
60 | /* Characters which start a comment at the beginning of a line. */ | |
61 | const char line_comment_chars[] = ";#"; | |
62 | ||
28e4f854 | 63 | /* Characters which may be used to separate multiple commands on a |
252b5132 RH |
64 | single line. */ |
65 | const char line_separator_chars[] = ";"; | |
66 | ||
28e4f854 | 67 | /* Characters which are used to indicate an exponent in a floating |
252b5132 RH |
68 | point number. */ |
69 | const char EXP_CHARS[] = "eE"; | |
70 | ||
28e4f854 | 71 | /* Characters which mean that a number is a floating point constant, |
252b5132 RH |
72 | as in 0d1.0. */ |
73 | const char FLT_CHARS[] = "dD"; | |
74 | \f | |
252b5132 RH |
75 | const relax_typeS md_relax_table[] = |
76 | { | |
77 | /* Conditional branches. */ | |
78 | {0xff, -0x100, 2, 1}, | |
79 | {0x1fffff, -0x200000, 6, 0}, | |
80 | /* Unconditional branches. */ | |
81 | {0xff, -0x100, 2, 3}, | |
82 | {0x1fffff, -0x200000, 4, 0}, | |
83 | }; | |
84 | ||
252b5132 RH |
85 | static segT sdata_section = NULL; |
86 | static segT tdata_section = NULL; | |
87 | static segT zdata_section = NULL; | |
88 | static segT sbss_section = NULL; | |
89 | static segT tbss_section = NULL; | |
90 | static segT zbss_section = NULL; | |
91 | static segT rosdata_section = NULL; | |
92 | static segT rozdata_section = NULL; | |
93 | static segT scommon_section = NULL; | |
94 | static segT tcommon_section = NULL; | |
95 | static segT zcommon_section = NULL; | |
96 | static segT call_table_data_section = NULL; | |
97 | static segT call_table_text_section = NULL; | |
98 | ||
28e4f854 | 99 | /* Fixups. */ |
252b5132 RH |
100 | #define MAX_INSN_FIXUPS (5) |
101 | struct v850_fixup | |
102 | { | |
28e4f854 KH |
103 | expressionS exp; |
104 | int opindex; | |
252b5132 RH |
105 | bfd_reloc_code_real_type reloc; |
106 | }; | |
107 | ||
28e4f854 | 108 | struct v850_fixup fixups[MAX_INSN_FIXUPS]; |
252b5132 | 109 | static int fc; |
252b5132 RH |
110 | \f |
111 | void | |
5480ccf3 | 112 | v850_sdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 113 | { |
28e4f854 KH |
114 | obj_elf_section_change_hook (); |
115 | ||
252b5132 RH |
116 | subseg_set (sdata_section, (subsegT) get_absolute_expression ()); |
117 | ||
118 | demand_empty_rest_of_line (); | |
119 | } | |
120 | ||
121 | void | |
5480ccf3 | 122 | v850_tdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 123 | { |
28e4f854 KH |
124 | obj_elf_section_change_hook (); |
125 | ||
252b5132 | 126 | subseg_set (tdata_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 127 | |
252b5132 RH |
128 | demand_empty_rest_of_line (); |
129 | } | |
130 | ||
131 | void | |
5480ccf3 | 132 | v850_zdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 133 | { |
28e4f854 KH |
134 | obj_elf_section_change_hook (); |
135 | ||
252b5132 | 136 | subseg_set (zdata_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 137 | |
252b5132 RH |
138 | demand_empty_rest_of_line (); |
139 | } | |
140 | ||
141 | void | |
5480ccf3 | 142 | v850_sbss (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 143 | { |
28e4f854 KH |
144 | obj_elf_section_change_hook (); |
145 | ||
252b5132 | 146 | subseg_set (sbss_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 147 | |
252b5132 RH |
148 | demand_empty_rest_of_line (); |
149 | } | |
150 | ||
151 | void | |
5480ccf3 | 152 | v850_tbss (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 153 | { |
28e4f854 KH |
154 | obj_elf_section_change_hook (); |
155 | ||
252b5132 | 156 | subseg_set (tbss_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 157 | |
252b5132 RH |
158 | demand_empty_rest_of_line (); |
159 | } | |
160 | ||
161 | void | |
5480ccf3 | 162 | v850_zbss (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 163 | { |
28e4f854 KH |
164 | obj_elf_section_change_hook (); |
165 | ||
252b5132 | 166 | subseg_set (zbss_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 167 | |
252b5132 RH |
168 | demand_empty_rest_of_line (); |
169 | } | |
170 | ||
171 | void | |
5480ccf3 | 172 | v850_rosdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 173 | { |
28e4f854 KH |
174 | obj_elf_section_change_hook (); |
175 | ||
252b5132 | 176 | subseg_set (rosdata_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 177 | |
252b5132 RH |
178 | demand_empty_rest_of_line (); |
179 | } | |
180 | ||
181 | void | |
5480ccf3 | 182 | v850_rozdata (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 183 | { |
28e4f854 KH |
184 | obj_elf_section_change_hook (); |
185 | ||
252b5132 | 186 | subseg_set (rozdata_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 187 | |
252b5132 RH |
188 | demand_empty_rest_of_line (); |
189 | } | |
190 | ||
191 | void | |
5480ccf3 | 192 | v850_call_table_data (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 193 | { |
28e4f854 KH |
194 | obj_elf_section_change_hook (); |
195 | ||
252b5132 | 196 | subseg_set (call_table_data_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 197 | |
252b5132 RH |
198 | demand_empty_rest_of_line (); |
199 | } | |
200 | ||
201 | void | |
5480ccf3 | 202 | v850_call_table_text (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 203 | { |
28e4f854 KH |
204 | obj_elf_section_change_hook (); |
205 | ||
252b5132 | 206 | subseg_set (call_table_text_section, (subsegT) get_absolute_expression ()); |
28e4f854 | 207 | |
252b5132 RH |
208 | demand_empty_rest_of_line (); |
209 | } | |
210 | ||
211 | void | |
5480ccf3 | 212 | v850_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
213 | { |
214 | register int temp = get_absolute_expression (); | |
215 | ||
28e4f854 KH |
216 | obj_elf_section_change_hook (); |
217 | ||
252b5132 | 218 | subseg_set (bss_section, (subsegT) temp); |
28e4f854 | 219 | |
252b5132 RH |
220 | demand_empty_rest_of_line (); |
221 | } | |
222 | ||
223 | void | |
5480ccf3 | 224 | v850_offset (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
225 | { |
226 | int temp = get_absolute_expression (); | |
28e4f854 KH |
227 | |
228 | temp -= frag_now_fix (); | |
229 | ||
252b5132 RH |
230 | if (temp > 0) |
231 | (void) frag_more (temp); | |
28e4f854 | 232 | |
252b5132 RH |
233 | demand_empty_rest_of_line (); |
234 | } | |
235 | ||
28e4f854 KH |
236 | /* Copied from obj_elf_common() in gas/config/obj-elf.c. */ |
237 | ||
252b5132 RH |
238 | static void |
239 | v850_comm (area) | |
240 | int area; | |
241 | { | |
28e4f854 KH |
242 | char *name; |
243 | char c; | |
244 | char *p; | |
245 | int temp; | |
246 | unsigned int size; | |
247 | symbolS *symbolP; | |
248 | int have_align; | |
252b5132 RH |
249 | |
250 | name = input_line_pointer; | |
251 | c = get_symbol_end (); | |
28e4f854 KH |
252 | |
253 | /* Just after name is now '\0'. */ | |
252b5132 RH |
254 | p = input_line_pointer; |
255 | *p = c; | |
28e4f854 | 256 | |
252b5132 | 257 | SKIP_WHITESPACE (); |
28e4f854 | 258 | |
252b5132 RH |
259 | if (*input_line_pointer != ',') |
260 | { | |
261 | as_bad (_("Expected comma after symbol-name")); | |
262 | ignore_rest_of_line (); | |
263 | return; | |
264 | } | |
28e4f854 KH |
265 | |
266 | /* Skip ','. */ | |
267 | input_line_pointer++; | |
268 | ||
252b5132 RH |
269 | if ((temp = get_absolute_expression ()) < 0) |
270 | { | |
28e4f854 | 271 | /* xgettext:c-format */ |
252b5132 RH |
272 | as_bad (_(".COMMon length (%d.) < 0! Ignored."), temp); |
273 | ignore_rest_of_line (); | |
274 | return; | |
275 | } | |
28e4f854 | 276 | |
252b5132 RH |
277 | size = temp; |
278 | *p = 0; | |
279 | symbolP = symbol_find_or_make (name); | |
280 | *p = c; | |
28e4f854 | 281 | |
252b5132 RH |
282 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) |
283 | { | |
284 | as_bad (_("Ignoring attempt to re-define symbol")); | |
285 | ignore_rest_of_line (); | |
286 | return; | |
287 | } | |
28e4f854 | 288 | |
252b5132 RH |
289 | if (S_GET_VALUE (symbolP) != 0) |
290 | { | |
291 | if (S_GET_VALUE (symbolP) != size) | |
292 | { | |
28e4f854 | 293 | /* xgettext:c-format */ |
252b5132 RH |
294 | as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."), |
295 | S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size); | |
296 | } | |
297 | } | |
28e4f854 KH |
298 | |
299 | know (symbol_get_frag (symbolP) == &zero_address_frag); | |
300 | ||
252b5132 RH |
301 | if (*input_line_pointer != ',') |
302 | have_align = 0; | |
303 | else | |
304 | { | |
305 | have_align = 1; | |
306 | input_line_pointer++; | |
307 | SKIP_WHITESPACE (); | |
308 | } | |
28e4f854 | 309 | |
252b5132 RH |
310 | if (! have_align || *input_line_pointer != '"') |
311 | { | |
312 | if (! have_align) | |
313 | temp = 0; | |
314 | else | |
315 | { | |
316 | temp = get_absolute_expression (); | |
28e4f854 | 317 | |
252b5132 RH |
318 | if (temp < 0) |
319 | { | |
320 | temp = 0; | |
321 | as_warn (_("Common alignment negative; 0 assumed")); | |
322 | } | |
323 | } | |
28e4f854 | 324 | |
cac58fa6 | 325 | if (symbol_get_obj (symbolP)->local) |
252b5132 | 326 | { |
28e4f854 KH |
327 | segT old_sec; |
328 | int old_subsec; | |
329 | char *pfrag; | |
330 | int align; | |
331 | flagword applicable; | |
252b5132 RH |
332 | |
333 | old_sec = now_seg; | |
334 | old_subsec = now_subseg; | |
28e4f854 | 335 | |
252b5132 | 336 | applicable = bfd_applicable_section_flags (stdoutput); |
28e4f854 | 337 | |
252b5132 | 338 | applicable &= SEC_ALLOC; |
28e4f854 | 339 | |
252b5132 RH |
340 | switch (area) |
341 | { | |
342 | case AREA_SDA: | |
343 | if (sbss_section == NULL) | |
344 | { | |
345 | sbss_section = subseg_new (".sbss", 0); | |
28e4f854 | 346 | |
252b5132 | 347 | bfd_set_section_flags (stdoutput, sbss_section, applicable); |
28e4f854 | 348 | |
252b5132 RH |
349 | seg_info (sbss_section)->bss = 1; |
350 | } | |
351 | break; | |
28e4f854 | 352 | |
252b5132 RH |
353 | case AREA_ZDA: |
354 | if (zbss_section == NULL) | |
355 | { | |
356 | zbss_section = subseg_new (".zbss", 0); | |
28e4f854 | 357 | |
252b5132 | 358 | bfd_set_section_flags (stdoutput, sbss_section, applicable); |
28e4f854 | 359 | |
252b5132 RH |
360 | seg_info (zbss_section)->bss = 1; |
361 | } | |
362 | break; | |
28e4f854 | 363 | |
252b5132 RH |
364 | case AREA_TDA: |
365 | if (tbss_section == NULL) | |
366 | { | |
367 | tbss_section = subseg_new (".tbss", 0); | |
28e4f854 | 368 | |
252b5132 | 369 | bfd_set_section_flags (stdoutput, tbss_section, applicable); |
28e4f854 | 370 | |
252b5132 RH |
371 | seg_info (tbss_section)->bss = 1; |
372 | } | |
373 | break; | |
374 | } | |
375 | ||
376 | if (temp) | |
377 | { | |
28e4f854 | 378 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
379 | for (align = 0; (temp & 1) == 0; temp >>= 1, ++align) |
380 | ; | |
28e4f854 | 381 | |
252b5132 RH |
382 | if (temp != 1) |
383 | { | |
384 | as_bad (_("Common alignment not a power of 2")); | |
385 | ignore_rest_of_line (); | |
386 | return; | |
387 | } | |
388 | } | |
389 | else | |
390 | align = 0; | |
28e4f854 | 391 | |
252b5132 RH |
392 | switch (area) |
393 | { | |
394 | case AREA_SDA: | |
395 | record_alignment (sbss_section, align); | |
28e4f854 | 396 | obj_elf_section_change_hook (); |
252b5132 RH |
397 | subseg_set (sbss_section, 0); |
398 | break; | |
399 | ||
400 | case AREA_ZDA: | |
401 | record_alignment (zbss_section, align); | |
28e4f854 | 402 | obj_elf_section_change_hook (); |
252b5132 RH |
403 | subseg_set (zbss_section, 0); |
404 | break; | |
405 | ||
406 | case AREA_TDA: | |
407 | record_alignment (tbss_section, align); | |
28e4f854 | 408 | obj_elf_section_change_hook (); |
252b5132 RH |
409 | subseg_set (tbss_section, 0); |
410 | break; | |
411 | ||
412 | default: | |
28e4f854 | 413 | abort (); |
252b5132 | 414 | } |
28e4f854 | 415 | |
252b5132 RH |
416 | if (align) |
417 | frag_align (align, 0, 0); | |
418 | ||
419 | switch (area) | |
420 | { | |
421 | case AREA_SDA: | |
422 | if (S_GET_SEGMENT (symbolP) == sbss_section) | |
7dcc9865 | 423 | symbol_get_frag (symbolP)->fr_symbol = 0; |
252b5132 RH |
424 | break; |
425 | ||
426 | case AREA_ZDA: | |
427 | if (S_GET_SEGMENT (symbolP) == zbss_section) | |
7dcc9865 | 428 | symbol_get_frag (symbolP)->fr_symbol = 0; |
252b5132 RH |
429 | break; |
430 | ||
431 | case AREA_TDA: | |
432 | if (S_GET_SEGMENT (symbolP) == tbss_section) | |
7dcc9865 | 433 | symbol_get_frag (symbolP)->fr_symbol = 0; |
252b5132 RH |
434 | break; |
435 | ||
436 | default: | |
cac58fa6 | 437 | abort (); |
252b5132 | 438 | } |
28e4f854 | 439 | |
7dcc9865 | 440 | symbol_set_frag (symbolP, frag_now); |
252b5132 RH |
441 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, |
442 | (offsetT) size, (char *) 0); | |
443 | *pfrag = 0; | |
444 | S_SET_SIZE (symbolP, size); | |
28e4f854 | 445 | |
252b5132 RH |
446 | switch (area) |
447 | { | |
448 | case AREA_SDA: | |
449 | S_SET_SEGMENT (symbolP, sbss_section); | |
450 | break; | |
28e4f854 | 451 | |
252b5132 RH |
452 | case AREA_ZDA: |
453 | S_SET_SEGMENT (symbolP, zbss_section); | |
454 | break; | |
28e4f854 | 455 | |
252b5132 RH |
456 | case AREA_TDA: |
457 | S_SET_SEGMENT (symbolP, tbss_section); | |
458 | break; | |
28e4f854 | 459 | |
252b5132 | 460 | default: |
28e4f854 | 461 | abort (); |
252b5132 | 462 | } |
28e4f854 | 463 | |
252b5132 | 464 | S_CLEAR_EXTERNAL (symbolP); |
28e4f854 | 465 | obj_elf_section_change_hook (); |
252b5132 RH |
466 | subseg_set (old_sec, old_subsec); |
467 | } | |
468 | else | |
469 | { | |
470 | allocate_common: | |
471 | S_SET_VALUE (symbolP, (valueT) size); | |
472 | S_SET_ALIGN (symbolP, temp); | |
473 | S_SET_EXTERNAL (symbolP); | |
28e4f854 | 474 | |
252b5132 RH |
475 | switch (area) |
476 | { | |
477 | case AREA_SDA: | |
478 | if (scommon_section == NULL) | |
479 | { | |
28e4f854 KH |
480 | flagword applicable = |
481 | bfd_applicable_section_flags (stdoutput); | |
482 | ||
252b5132 | 483 | scommon_section = subseg_new (".scommon", 0); |
28e4f854 | 484 | |
5480ccf3 NC |
485 | bfd_set_section_flags (stdoutput, scommon_section, |
486 | (applicable | |
252b5132 | 487 | & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA |
5480ccf3 | 488 | | SEC_HAS_CONTENTS)) | SEC_IS_COMMON); |
252b5132 RH |
489 | } |
490 | S_SET_SEGMENT (symbolP, scommon_section); | |
491 | break; | |
28e4f854 | 492 | |
252b5132 RH |
493 | case AREA_ZDA: |
494 | if (zcommon_section == NULL) | |
495 | { | |
28e4f854 KH |
496 | flagword applicable = |
497 | bfd_applicable_section_flags (stdoutput); | |
498 | ||
252b5132 | 499 | zcommon_section = subseg_new (".zcommon", 0); |
28e4f854 | 500 | |
5480ccf3 NC |
501 | bfd_set_section_flags (stdoutput, zcommon_section, |
502 | (applicable | |
252b5132 | 503 | & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA |
5480ccf3 | 504 | | SEC_HAS_CONTENTS)) | SEC_IS_COMMON); |
252b5132 RH |
505 | } |
506 | S_SET_SEGMENT (symbolP, zcommon_section); | |
507 | break; | |
28e4f854 | 508 | |
252b5132 RH |
509 | case AREA_TDA: |
510 | if (tcommon_section == NULL) | |
511 | { | |
28e4f854 KH |
512 | flagword applicable = |
513 | bfd_applicable_section_flags (stdoutput); | |
514 | ||
252b5132 | 515 | tcommon_section = subseg_new (".tcommon", 0); |
28e4f854 | 516 | |
5480ccf3 | 517 | bfd_set_section_flags (stdoutput, tcommon_section, |
28e4f854 KH |
518 | ((applicable |
519 | & (SEC_ALLOC | SEC_LOAD | |
520 | | SEC_RELOC | SEC_DATA | |
521 | | SEC_HAS_CONTENTS)) | |
522 | | SEC_IS_COMMON)); | |
252b5132 RH |
523 | } |
524 | S_SET_SEGMENT (symbolP, tcommon_section); | |
525 | break; | |
28e4f854 | 526 | |
252b5132 | 527 | default: |
28e4f854 | 528 | abort (); |
252b5132 RH |
529 | } |
530 | } | |
531 | } | |
532 | else | |
533 | { | |
534 | input_line_pointer++; | |
28e4f854 | 535 | |
252b5132 RH |
536 | /* @@ Some use the dot, some don't. Can we get some consistency?? */ |
537 | if (*input_line_pointer == '.') | |
538 | input_line_pointer++; | |
28e4f854 | 539 | |
252b5132 RH |
540 | /* @@ Some say data, some say bss. */ |
541 | if (strncmp (input_line_pointer, "bss\"", 4) | |
542 | && strncmp (input_line_pointer, "data\"", 5)) | |
543 | { | |
544 | while (*--input_line_pointer != '"') | |
545 | ; | |
546 | input_line_pointer--; | |
547 | goto bad_common_segment; | |
548 | } | |
549 | while (*input_line_pointer++ != '"') | |
550 | ; | |
551 | goto allocate_common; | |
552 | } | |
553 | ||
fed9b18a | 554 | symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT; |
252b5132 RH |
555 | |
556 | demand_empty_rest_of_line (); | |
557 | return; | |
558 | ||
559 | { | |
560 | bad_common_segment: | |
561 | p = input_line_pointer; | |
562 | while (*p && *p != '\n') | |
563 | p++; | |
564 | c = *p; | |
565 | *p = '\0'; | |
566 | as_bad (_("bad .common segment %s"), input_line_pointer + 1); | |
567 | *p = c; | |
568 | input_line_pointer = p; | |
569 | ignore_rest_of_line (); | |
570 | return; | |
571 | } | |
572 | } | |
573 | ||
574 | void | |
575 | set_machine (int number) | |
576 | { | |
577 | machine = number; | |
578 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine); | |
579 | ||
580 | switch (machine) | |
581 | { | |
28e4f854 KH |
582 | case 0: processor_mask = PROCESSOR_V850; break; |
583 | case bfd_mach_v850e: processor_mask = PROCESSOR_V850E; break; | |
252b5132 RH |
584 | case bfd_mach_v850ea: processor_mask = PROCESSOR_V850EA; break; |
585 | } | |
586 | } | |
587 | ||
588 | /* The target specific pseudo-ops which we support. */ | |
589 | const pseudo_typeS md_pseudo_table[] = | |
590 | { | |
591 | {"sdata", v850_sdata, 0}, | |
592 | {"tdata", v850_tdata, 0}, | |
593 | {"zdata", v850_zdata, 0}, | |
594 | {"sbss", v850_sbss, 0}, | |
595 | {"tbss", v850_tbss, 0}, | |
596 | {"zbss", v850_zbss, 0}, | |
597 | {"rosdata", v850_rosdata, 0}, | |
598 | {"rozdata", v850_rozdata, 0}, | |
599 | {"bss", v850_bss, 0}, | |
600 | {"offset", v850_offset, 0}, | |
601 | {"word", cons, 4}, | |
602 | {"zcomm", v850_comm, AREA_ZDA}, | |
603 | {"scomm", v850_comm, AREA_SDA}, | |
604 | {"tcomm", v850_comm, AREA_TDA}, | |
605 | {"v850", set_machine, 0}, | |
606 | {"call_table_data", v850_call_table_data, 0}, | |
607 | {"call_table_text", v850_call_table_text, 0}, | |
608 | {"v850e", set_machine, bfd_mach_v850e}, | |
609 | {"v850ea", set_machine, bfd_mach_v850ea}, | |
610 | { NULL, NULL, 0} | |
611 | }; | |
612 | ||
613 | /* Opcode hash table. */ | |
614 | static struct hash_control *v850_hash; | |
615 | ||
28e4f854 | 616 | /* This table is sorted. Suitable for searching by a binary search. */ |
252b5132 RH |
617 | static const struct reg_name pre_defined_registers[] = |
618 | { | |
619 | { "ep", 30 }, /* ep - element ptr */ | |
28e4f854 KH |
620 | { "gp", 4 }, /* gp - global ptr */ |
621 | { "hp", 2 }, /* hp - handler stack ptr */ | |
622 | { "lp", 31 }, /* lp - link ptr */ | |
252b5132 RH |
623 | { "r0", 0 }, |
624 | { "r1", 1 }, | |
625 | { "r10", 10 }, | |
626 | { "r11", 11 }, | |
627 | { "r12", 12 }, | |
628 | { "r13", 13 }, | |
629 | { "r14", 14 }, | |
630 | { "r15", 15 }, | |
631 | { "r16", 16 }, | |
632 | { "r17", 17 }, | |
633 | { "r18", 18 }, | |
634 | { "r19", 19 }, | |
635 | { "r2", 2 }, | |
636 | { "r20", 20 }, | |
637 | { "r21", 21 }, | |
638 | { "r22", 22 }, | |
639 | { "r23", 23 }, | |
640 | { "r24", 24 }, | |
641 | { "r25", 25 }, | |
642 | { "r26", 26 }, | |
643 | { "r27", 27 }, | |
644 | { "r28", 28 }, | |
645 | { "r29", 29 }, | |
646 | { "r3", 3 }, | |
647 | { "r30", 30 }, | |
648 | { "r31", 31 }, | |
649 | { "r4", 4 }, | |
650 | { "r5", 5 }, | |
651 | { "r6", 6 }, | |
652 | { "r7", 7 }, | |
653 | { "r8", 8 }, | |
654 | { "r9", 9 }, | |
28e4f854 KH |
655 | { "sp", 3 }, /* sp - stack ptr */ |
656 | { "tp", 5 }, /* tp - text ptr */ | |
252b5132 RH |
657 | { "zero", 0 }, |
658 | }; | |
252b5132 | 659 | |
28e4f854 KH |
660 | #define REG_NAME_CNT \ |
661 | (sizeof (pre_defined_registers) / sizeof (struct reg_name)) | |
252b5132 | 662 | |
28e4f854 | 663 | static const struct reg_name system_registers[] = |
252b5132 RH |
664 | { |
665 | { "ctbp", 20 }, | |
666 | { "ctpc", 16 }, | |
667 | { "ctpsw", 17 }, | |
668 | { "dbpc", 18 }, | |
669 | { "dbpsw", 19 }, | |
670 | { "ecr", 4 }, | |
671 | { "eipc", 0 }, | |
672 | { "eipsw", 1 }, | |
673 | { "fepc", 2 }, | |
674 | { "fepsw", 3 }, | |
675 | { "psw", 5 }, | |
676 | }; | |
28e4f854 KH |
677 | |
678 | #define SYSREG_NAME_CNT \ | |
679 | (sizeof (system_registers) / sizeof (struct reg_name)) | |
252b5132 RH |
680 | |
681 | static const struct reg_name system_list_registers[] = | |
682 | { | |
683 | {"PS", 5 }, | |
684 | {"SR", 0 + 1} | |
685 | }; | |
28e4f854 KH |
686 | |
687 | #define SYSREGLIST_NAME_CNT \ | |
688 | (sizeof (system_list_registers) / sizeof (struct reg_name)) | |
252b5132 RH |
689 | |
690 | static const struct reg_name cc_names[] = | |
691 | { | |
692 | { "c", 0x1 }, | |
693 | { "e", 0x2 }, | |
694 | { "ge", 0xe }, | |
695 | { "gt", 0xf }, | |
696 | { "h", 0xb }, | |
697 | { "l", 0x1 }, | |
698 | { "le", 0x7 }, | |
699 | { "lt", 0x6 }, | |
700 | { "n", 0x4 }, | |
701 | { "nc", 0x9 }, | |
702 | { "ne", 0xa }, | |
703 | { "nh", 0x3 }, | |
704 | { "nl", 0x9 }, | |
705 | { "ns", 0xc }, | |
706 | { "nv", 0x8 }, | |
707 | { "nz", 0xa }, | |
708 | { "p", 0xc }, | |
709 | { "s", 0x4 }, | |
710 | { "sa", 0xd }, | |
711 | { "t", 0x5 }, | |
712 | { "v", 0x0 }, | |
713 | { "z", 0x2 }, | |
714 | }; | |
252b5132 | 715 | |
28e4f854 KH |
716 | #define CC_NAME_CNT \ |
717 | (sizeof (cc_names) / sizeof (struct reg_name)) | |
718 | ||
719 | /* Do a binary search of the given register table to see if NAME is a | |
720 | valid regiter name. Return the register number from the array on | |
721 | success, or -1 on failure. */ | |
252b5132 RH |
722 | |
723 | static int | |
724 | reg_name_search (regs, regcount, name, accept_numbers) | |
28e4f854 KH |
725 | const struct reg_name *regs; |
726 | int regcount; | |
727 | const char *name; | |
728 | boolean accept_numbers; | |
252b5132 RH |
729 | { |
730 | int middle, low, high; | |
731 | int cmp; | |
28e4f854 | 732 | symbolS *symbolP; |
252b5132 RH |
733 | |
734 | /* If the register name is a symbol, then evaluate it. */ | |
735 | if ((symbolP = symbol_find (name)) != NULL) | |
736 | { | |
737 | /* If the symbol is an alias for another name then use that. | |
738 | If the symbol is an alias for a number, then return the number. */ | |
a77f5182 | 739 | if (symbol_equated_p (symbolP)) |
252b5132 | 740 | { |
28e4f854 KH |
741 | name |
742 | = S_GET_NAME (symbol_get_value_expression (symbolP)->X_add_symbol); | |
252b5132 RH |
743 | } |
744 | else if (accept_numbers) | |
745 | { | |
746 | int reg = S_GET_VALUE (symbolP); | |
28e4f854 | 747 | |
252b5132 RH |
748 | if (reg >= 0 && reg <= 31) |
749 | return reg; | |
750 | } | |
751 | ||
752 | /* Otherwise drop through and try parsing name normally. */ | |
753 | } | |
28e4f854 | 754 | |
252b5132 RH |
755 | low = 0; |
756 | high = regcount - 1; | |
757 | ||
758 | do | |
759 | { | |
760 | middle = (low + high) / 2; | |
761 | cmp = strcasecmp (name, regs[middle].name); | |
762 | if (cmp < 0) | |
763 | high = middle - 1; | |
764 | else if (cmp > 0) | |
765 | low = middle + 1; | |
766 | else | |
767 | return regs[middle].value; | |
768 | } | |
769 | while (low <= high); | |
770 | return -1; | |
771 | } | |
772 | ||
252b5132 RH |
773 | /* Summary of register_name(). |
774 | * | |
775 | * in: Input_line_pointer points to 1st char of operand. | |
776 | * | |
777 | * out: A expressionS. | |
778 | * The operand may have been a register: in this case, X_op == O_register, | |
779 | * X_add_number is set to the register number, and truth is returned. | |
780 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
28e4f854 KH |
781 | * its original state. */ |
782 | ||
252b5132 RH |
783 | static boolean |
784 | register_name (expressionP) | |
28e4f854 | 785 | expressionS *expressionP; |
252b5132 | 786 | { |
28e4f854 KH |
787 | int reg_number; |
788 | char *name; | |
789 | char *start; | |
790 | char c; | |
252b5132 | 791 | |
28e4f854 | 792 | /* Find the spelling of the operand. */ |
252b5132 RH |
793 | start = name = input_line_pointer; |
794 | ||
795 | c = get_symbol_end (); | |
796 | ||
797 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, | |
798 | name, FALSE); | |
799 | ||
28e4f854 KH |
800 | /* Put back the delimiting char. */ |
801 | *input_line_pointer = c; | |
802 | ||
803 | /* Look to see if it's in the register table. */ | |
804 | if (reg_number >= 0) | |
252b5132 RH |
805 | { |
806 | expressionP->X_op = O_register; | |
807 | expressionP->X_add_number = reg_number; | |
808 | ||
28e4f854 | 809 | /* Make the rest nice. */ |
252b5132 RH |
810 | expressionP->X_add_symbol = NULL; |
811 | expressionP->X_op_symbol = NULL; | |
28e4f854 | 812 | |
252b5132 RH |
813 | return true; |
814 | } | |
815 | else | |
816 | { | |
28e4f854 | 817 | /* Reset the line as if we had not done anything. */ |
252b5132 | 818 | input_line_pointer = start; |
28e4f854 | 819 | |
252b5132 RH |
820 | return false; |
821 | } | |
822 | } | |
823 | ||
824 | /* Summary of system_register_name(). | |
825 | * | |
28e4f854 KH |
826 | * in: INPUT_LINE_POINTER points to 1st char of operand. |
827 | * EXPRESSIONP points to an expression structure to be filled in. | |
828 | * ACCEPT_NUMBERS is true iff numerical register names may be used. | |
829 | * ACCEPT_LIST_NAMES is true iff the special names PS and SR may be | |
252b5132 RH |
830 | * accepted. |
831 | * | |
832 | * out: A expressionS structure in expressionP. | |
833 | * The operand may have been a register: in this case, X_op == O_register, | |
834 | * X_add_number is set to the register number, and truth is returned. | |
835 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
28e4f854 KH |
836 | * its original state. */ |
837 | ||
252b5132 RH |
838 | static boolean |
839 | system_register_name (expressionP, accept_numbers, accept_list_names) | |
28e4f854 KH |
840 | expressionS *expressionP; |
841 | boolean accept_numbers; | |
842 | boolean accept_list_names; | |
252b5132 | 843 | { |
28e4f854 KH |
844 | int reg_number; |
845 | char *name; | |
846 | char *start; | |
847 | char c; | |
252b5132 | 848 | |
28e4f854 | 849 | /* Find the spelling of the operand. */ |
252b5132 RH |
850 | start = name = input_line_pointer; |
851 | ||
852 | c = get_symbol_end (); | |
853 | reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name, | |
854 | accept_numbers); | |
855 | ||
28e4f854 KH |
856 | /* Put back the delimiting char. */ |
857 | *input_line_pointer = c; | |
858 | ||
252b5132 RH |
859 | if (reg_number < 0 |
860 | && accept_numbers) | |
861 | { | |
28e4f854 KH |
862 | /* Reset input_line pointer. */ |
863 | input_line_pointer = start; | |
252b5132 | 864 | |
28e4f854 | 865 | if (isdigit (*input_line_pointer)) |
252b5132 | 866 | { |
28e4f854 | 867 | reg_number = strtol (input_line_pointer, &input_line_pointer, 10); |
252b5132 | 868 | |
28e4f854 KH |
869 | /* Make sure that the register number is allowable. */ |
870 | if (reg_number < 0 | |
5480ccf3 | 871 | || (reg_number > 5 && reg_number < 16) |
28e4f854 | 872 | || reg_number > 20) |
252b5132 RH |
873 | { |
874 | reg_number = -1; | |
875 | } | |
876 | } | |
877 | else if (accept_list_names) | |
878 | { | |
879 | c = get_symbol_end (); | |
880 | reg_number = reg_name_search (system_list_registers, | |
881 | SYSREGLIST_NAME_CNT, name, FALSE); | |
882 | ||
28e4f854 KH |
883 | /* Put back the delimiting char. */ |
884 | *input_line_pointer = c; | |
252b5132 RH |
885 | } |
886 | } | |
28e4f854 KH |
887 | |
888 | /* Look to see if it's in the register table. */ | |
889 | if (reg_number >= 0) | |
252b5132 RH |
890 | { |
891 | expressionP->X_op = O_register; | |
892 | expressionP->X_add_number = reg_number; | |
893 | ||
28e4f854 | 894 | /* Make the rest nice. */ |
252b5132 RH |
895 | expressionP->X_add_symbol = NULL; |
896 | expressionP->X_op_symbol = NULL; | |
897 | ||
898 | return true; | |
899 | } | |
900 | else | |
901 | { | |
28e4f854 | 902 | /* Reset the line as if we had not done anything. */ |
252b5132 | 903 | input_line_pointer = start; |
28e4f854 | 904 | |
252b5132 RH |
905 | return false; |
906 | } | |
907 | } | |
908 | ||
909 | /* Summary of cc_name(). | |
910 | * | |
28e4f854 | 911 | * in: INPUT_LINE_POINTER points to 1st char of operand. |
252b5132 RH |
912 | * |
913 | * out: A expressionS. | |
914 | * The operand may have been a register: in this case, X_op == O_register, | |
915 | * X_add_number is set to the register number, and truth is returned. | |
916 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
28e4f854 KH |
917 | * its original state. */ |
918 | ||
252b5132 RH |
919 | static boolean |
920 | cc_name (expressionP) | |
28e4f854 | 921 | expressionS *expressionP; |
252b5132 | 922 | { |
28e4f854 KH |
923 | int reg_number; |
924 | char *name; | |
925 | char *start; | |
926 | char c; | |
252b5132 | 927 | |
28e4f854 | 928 | /* Find the spelling of the operand. */ |
252b5132 RH |
929 | start = name = input_line_pointer; |
930 | ||
931 | c = get_symbol_end (); | |
932 | reg_number = reg_name_search (cc_names, CC_NAME_CNT, name, FALSE); | |
933 | ||
28e4f854 KH |
934 | /* Put back the delimiting char. */ |
935 | *input_line_pointer = c; | |
936 | ||
937 | /* Look to see if it's in the register table. */ | |
938 | if (reg_number >= 0) | |
252b5132 RH |
939 | { |
940 | expressionP->X_op = O_constant; | |
941 | expressionP->X_add_number = reg_number; | |
942 | ||
28e4f854 | 943 | /* Make the rest nice. */ |
252b5132 RH |
944 | expressionP->X_add_symbol = NULL; |
945 | expressionP->X_op_symbol = NULL; | |
946 | ||
947 | return true; | |
948 | } | |
949 | else | |
950 | { | |
28e4f854 | 951 | /* Reset the line as if we had not done anything. */ |
252b5132 | 952 | input_line_pointer = start; |
28e4f854 | 953 | |
252b5132 RH |
954 | return false; |
955 | } | |
956 | } | |
957 | ||
958 | static void | |
959 | skip_white_space (void) | |
960 | { | |
28e4f854 KH |
961 | while (*input_line_pointer == ' ' |
962 | || *input_line_pointer == '\t') | |
963 | ++input_line_pointer; | |
252b5132 RH |
964 | } |
965 | ||
966 | /* Summary of parse_register_list (). | |
967 | * | |
28e4f854 KH |
968 | * in: INPUT_LINE_POINTER points to 1st char of a list of registers. |
969 | * INSN is the partially constructed instruction. | |
970 | * OPERAND is the operand being inserted. | |
252b5132 RH |
971 | * |
972 | * out: NULL if the parse completed successfully, otherwise a | |
973 | * pointer to an error message is returned. If the parse | |
974 | * completes the correct bit fields in the instruction | |
975 | * will be filled in. | |
976 | * | |
977 | * Parses register lists with the syntax: | |
978 | * | |
979 | * { rX } | |
980 | * { rX, rY } | |
981 | * { rX - rY } | |
982 | * { rX - rY, rZ } | |
983 | * etc | |
984 | * | |
985 | * and also parses constant epxressions whoes bits indicate the | |
986 | * registers in the lists. The LSB in the expression refers to | |
987 | * the lowest numbered permissable register in the register list, | |
988 | * and so on upwards. System registers are considered to be very | |
28e4f854 KH |
989 | * high numbers. */ |
990 | ||
252b5132 | 991 | static char * |
28e4f854 KH |
992 | parse_register_list (insn, operand) |
993 | unsigned long *insn; | |
994 | const struct v850_operand *operand; | |
252b5132 | 995 | { |
28e4f854 KH |
996 | static int type1_regs[32] = { |
997 | 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
998 | 0, 0, 0, 0, 0, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 | |
999 | }; | |
1000 | static int type2_regs[32] = { | |
1001 | 19, 18, 17, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
1002 | 0, 0, 0, 0, 30, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 | |
1003 | }; | |
1004 | static int type3_regs[32] = { | |
1005 | 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
1006 | 0, 0, 0, 0, 14, 15, 13, 12, 7, 6, 5, 4, 11, 10, 9, 8 | |
1007 | }; | |
1008 | int *regs; | |
252b5132 RH |
1009 | expressionS exp; |
1010 | ||
28e4f854 | 1011 | /* Select a register array to parse. */ |
252b5132 RH |
1012 | switch (operand->shift) |
1013 | { | |
1014 | case 0xffe00001: regs = type1_regs; break; | |
1015 | case 0xfff8000f: regs = type2_regs; break; | |
1016 | case 0xfff8001f: regs = type3_regs; break; | |
1017 | default: | |
1018 | as_bad (_("unknown operand shift: %x\n"), operand->shift); | |
1019 | return _("internal failure in parse_register_list"); | |
1020 | } | |
1021 | ||
1022 | skip_white_space (); | |
1023 | ||
1024 | /* If the expression starts with a curly brace it is a register list. | |
1025 | Otherwise it is a constant expression, whoes bits indicate which | |
1026 | registers are to be included in the list. */ | |
28e4f854 KH |
1027 | |
1028 | if (*input_line_pointer != '{') | |
252b5132 | 1029 | { |
252b5132 RH |
1030 | int reg; |
1031 | int i; | |
28e4f854 KH |
1032 | |
1033 | expression (&exp); | |
1034 | ||
252b5132 RH |
1035 | if (exp.X_op != O_constant) |
1036 | return _("constant expression or register list expected"); | |
1037 | ||
1038 | if (regs == type1_regs) | |
1039 | { | |
1040 | if (exp.X_add_number & 0xFFFFF000) | |
1041 | return _("high bits set in register list expression"); | |
28e4f854 KH |
1042 | |
1043 | for (reg = 20; reg < 32; reg++) | |
252b5132 RH |
1044 | if (exp.X_add_number & (1 << (reg - 20))) |
1045 | { | |
1046 | for (i = 0; i < 32; i++) | |
1047 | if (regs[i] == reg) | |
28e4f854 | 1048 | *insn |= (1 << i); |
252b5132 RH |
1049 | } |
1050 | } | |
1051 | else if (regs == type2_regs) | |
1052 | { | |
1053 | if (exp.X_add_number & 0xFFFE0000) | |
1054 | return _("high bits set in register list expression"); | |
28e4f854 KH |
1055 | |
1056 | for (reg = 1; reg < 16; reg++) | |
252b5132 RH |
1057 | if (exp.X_add_number & (1 << (reg - 1))) |
1058 | { | |
1059 | for (i = 0; i < 32; i++) | |
1060 | if (regs[i] == reg) | |
28e4f854 | 1061 | *insn |= (1 << i); |
252b5132 RH |
1062 | } |
1063 | ||
1064 | if (exp.X_add_number & (1 << 15)) | |
28e4f854 KH |
1065 | *insn |= (1 << 3); |
1066 | ||
252b5132 | 1067 | if (exp.X_add_number & (1 << 16)) |
28e4f854 | 1068 | *insn |= (1 << 19); |
252b5132 | 1069 | } |
28e4f854 | 1070 | else /* regs == type3_regs */ |
252b5132 RH |
1071 | { |
1072 | if (exp.X_add_number & 0xFFFE0000) | |
1073 | return _("high bits set in register list expression"); | |
28e4f854 KH |
1074 | |
1075 | for (reg = 16; reg < 32; reg++) | |
252b5132 RH |
1076 | if (exp.X_add_number & (1 << (reg - 16))) |
1077 | { | |
1078 | for (i = 0; i < 32; i++) | |
1079 | if (regs[i] == reg) | |
28e4f854 | 1080 | *insn |= (1 << i); |
252b5132 RH |
1081 | } |
1082 | ||
1083 | if (exp.X_add_number & (1 << 16)) | |
28e4f854 | 1084 | *insn |= (1 << 19); |
252b5132 RH |
1085 | } |
1086 | ||
1087 | return NULL; | |
1088 | } | |
1089 | ||
28e4f854 | 1090 | input_line_pointer++; |
252b5132 RH |
1091 | |
1092 | /* Parse the register list until a terminator (closing curly brace or | |
1093 | new-line) is found. */ | |
1094 | for (;;) | |
1095 | { | |
28e4f854 | 1096 | if (register_name (&exp)) |
252b5132 | 1097 | { |
28e4f854 KH |
1098 | int i; |
1099 | ||
252b5132 RH |
1100 | /* Locate the given register in the list, and if it is there, |
1101 | insert the corresponding bit into the instruction. */ | |
1102 | for (i = 0; i < 32; i++) | |
1103 | { | |
28e4f854 | 1104 | if (regs[i] == exp.X_add_number) |
252b5132 | 1105 | { |
28e4f854 | 1106 | *insn |= (1 << i); |
252b5132 RH |
1107 | break; |
1108 | } | |
1109 | } | |
1110 | ||
1111 | if (i == 32) | |
1112 | { | |
1113 | return _("illegal register included in list"); | |
1114 | } | |
1115 | } | |
28e4f854 | 1116 | else if (system_register_name (&exp, true, true)) |
252b5132 RH |
1117 | { |
1118 | if (regs == type1_regs) | |
1119 | { | |
1120 | return _("system registers cannot be included in list"); | |
1121 | } | |
1122 | else if (exp.X_add_number == 5) | |
1123 | { | |
1124 | if (regs == type2_regs) | |
1125 | return _("PSW cannot be included in list"); | |
1126 | else | |
28e4f854 | 1127 | *insn |= 0x8; |
252b5132 RH |
1128 | } |
1129 | else if (exp.X_add_number < 4) | |
28e4f854 | 1130 | *insn |= 0x80000; |
252b5132 RH |
1131 | else |
1132 | return _("High value system registers cannot be included in list"); | |
1133 | } | |
28e4f854 | 1134 | else if (*input_line_pointer == '}') |
252b5132 | 1135 | { |
28e4f854 | 1136 | input_line_pointer++; |
252b5132 RH |
1137 | break; |
1138 | } | |
28e4f854 | 1139 | else if (*input_line_pointer == ',') |
252b5132 | 1140 | { |
28e4f854 | 1141 | input_line_pointer++; |
252b5132 RH |
1142 | continue; |
1143 | } | |
28e4f854 | 1144 | else if (*input_line_pointer == '-') |
252b5132 | 1145 | { |
28e4f854 KH |
1146 | /* We have encountered a range of registers: rX - rY. */ |
1147 | int j; | |
252b5132 RH |
1148 | expressionS exp2; |
1149 | ||
1150 | /* Skip the dash. */ | |
28e4f854 | 1151 | ++input_line_pointer; |
252b5132 RH |
1152 | |
1153 | /* Get the second register in the range. */ | |
28e4f854 | 1154 | if (! register_name (&exp2)) |
252b5132 RH |
1155 | { |
1156 | return _("second register should follow dash in register list"); | |
1157 | exp2.X_add_number = exp.X_add_number; | |
1158 | } | |
1159 | ||
1160 | /* Add the rest of the registers in the range. */ | |
1161 | for (j = exp.X_add_number + 1; j <= exp2.X_add_number; j++) | |
1162 | { | |
28e4f854 KH |
1163 | int i; |
1164 | ||
252b5132 RH |
1165 | /* Locate the given register in the list, and if it is there, |
1166 | insert the corresponding bit into the instruction. */ | |
1167 | for (i = 0; i < 32; i++) | |
1168 | { | |
28e4f854 | 1169 | if (regs[i] == j) |
252b5132 | 1170 | { |
28e4f854 | 1171 | *insn |= (1 << i); |
252b5132 RH |
1172 | break; |
1173 | } | |
1174 | } | |
1175 | ||
1176 | if (i == 32) | |
1177 | return _("illegal register included in list"); | |
1178 | } | |
1179 | } | |
1180 | else | |
1181 | { | |
1182 | break; | |
1183 | } | |
1184 | ||
1185 | skip_white_space (); | |
1186 | } | |
1187 | ||
1188 | return NULL; | |
1189 | } | |
1190 | ||
28e4f854 | 1191 | CONST char *md_shortopts = "m:"; |
252b5132 RH |
1192 | |
1193 | struct option md_longopts[] = | |
1194 | { | |
1195 | {NULL, no_argument, NULL, 0} | |
1196 | }; | |
252b5132 | 1197 | |
28e4f854 | 1198 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
1199 | |
1200 | void | |
1201 | md_show_usage (stream) | |
28e4f854 | 1202 | FILE *stream; |
252b5132 RH |
1203 | { |
1204 | fprintf (stream, _(" V850 options:\n")); | |
1205 | fprintf (stream, _(" -mwarn-signed-overflow Warn if signed immediate values overflow\n")); | |
1206 | fprintf (stream, _(" -mwarn-unsigned-overflow Warn if unsigned immediate values overflow\n")); | |
1207 | fprintf (stream, _(" -mv850 The code is targeted at the v850\n")); | |
1208 | fprintf (stream, _(" -mv850e The code is targeted at the v850e\n")); | |
1209 | fprintf (stream, _(" -mv850ea The code is targeted at the v850ea\n")); | |
1210 | fprintf (stream, _(" -mv850any The code is generic, despite any processor specific instructions\n")); | |
1211 | } | |
1212 | ||
1213 | int | |
1214 | md_parse_option (c, arg) | |
28e4f854 KH |
1215 | int c; |
1216 | char *arg; | |
252b5132 RH |
1217 | { |
1218 | if (c != 'm') | |
1219 | { | |
5480ccf3 | 1220 | if (c != 'a') |
28e4f854 | 1221 | /* xgettext:c-format */ |
5480ccf3 | 1222 | fprintf (stderr, _("unknown command line option: -%c%s\n"), c, arg); |
252b5132 RH |
1223 | return 0; |
1224 | } | |
1225 | ||
1226 | if (strcmp (arg, "warn-signed-overflow") == 0) | |
1227 | { | |
1228 | warn_signed_overflows = TRUE; | |
1229 | } | |
1230 | else if (strcmp (arg, "warn-unsigned-overflow") == 0) | |
1231 | { | |
1232 | warn_unsigned_overflows = TRUE; | |
1233 | } | |
1234 | else if (strcmp (arg, "v850") == 0) | |
1235 | { | |
1236 | machine = 0; | |
1237 | processor_mask = PROCESSOR_V850; | |
1238 | } | |
1239 | else if (strcmp (arg, "v850e") == 0) | |
1240 | { | |
1241 | machine = bfd_mach_v850e; | |
1242 | processor_mask = PROCESSOR_V850E; | |
1243 | } | |
1244 | else if (strcmp (arg, "v850ea") == 0) | |
1245 | { | |
1246 | machine = bfd_mach_v850ea; | |
1247 | processor_mask = PROCESSOR_V850EA; | |
1248 | } | |
1249 | else if (strcmp (arg, "v850any") == 0) | |
1250 | { | |
28e4f854 KH |
1251 | /* Tell the world that this is for any v850 chip. */ |
1252 | machine = 0; | |
1253 | ||
1254 | /* But support instructions for the extended versions. */ | |
1255 | processor_mask = PROCESSOR_V850EA; | |
252b5132 RH |
1256 | } |
1257 | else | |
1258 | { | |
28e4f854 | 1259 | /* xgettext:c-format */ |
252b5132 RH |
1260 | fprintf (stderr, _("unknown command line option: -%c%s\n"), c, arg); |
1261 | return 0; | |
1262 | } | |
28e4f854 | 1263 | |
252b5132 RH |
1264 | return 1; |
1265 | } | |
1266 | ||
1267 | symbolS * | |
1268 | md_undefined_symbol (name) | |
28e4f854 | 1269 | char *name ATTRIBUTE_UNUSED; |
252b5132 RH |
1270 | { |
1271 | return 0; | |
1272 | } | |
1273 | ||
1274 | char * | |
1275 | md_atof (type, litp, sizep) | |
28e4f854 KH |
1276 | int type; |
1277 | char *litp; | |
1278 | int *sizep; | |
252b5132 | 1279 | { |
28e4f854 | 1280 | int prec; |
252b5132 | 1281 | LITTLENUM_TYPE words[4]; |
28e4f854 KH |
1282 | char *t; |
1283 | int i; | |
252b5132 RH |
1284 | |
1285 | switch (type) | |
1286 | { | |
1287 | case 'f': | |
1288 | prec = 2; | |
1289 | break; | |
1290 | ||
1291 | case 'd': | |
1292 | prec = 4; | |
1293 | break; | |
1294 | ||
1295 | default: | |
1296 | *sizep = 0; | |
1297 | return _("bad call to md_atof"); | |
1298 | } | |
28e4f854 | 1299 | |
252b5132 RH |
1300 | t = atof_ieee (input_line_pointer, type, words); |
1301 | if (t) | |
1302 | input_line_pointer = t; | |
1303 | ||
1304 | *sizep = prec * 2; | |
1305 | ||
1306 | for (i = prec - 1; i >= 0; i--) | |
1307 | { | |
1308 | md_number_to_chars (litp, (valueT) words[i], 2); | |
1309 | litp += 2; | |
1310 | } | |
1311 | ||
1312 | return NULL; | |
1313 | } | |
1314 | ||
252b5132 | 1315 | /* Very gross. */ |
28e4f854 | 1316 | |
252b5132 RH |
1317 | void |
1318 | md_convert_frag (abfd, sec, fragP) | |
28e4f854 KH |
1319 | bfd *abfd ATTRIBUTE_UNUSED; |
1320 | asection *sec; | |
1321 | fragS *fragP; | |
252b5132 RH |
1322 | { |
1323 | subseg_change (sec, 0); | |
28e4f854 | 1324 | |
252b5132 RH |
1325 | /* In range conditional or unconditional branch. */ |
1326 | if (fragP->fr_subtype == 0 || fragP->fr_subtype == 2) | |
1327 | { | |
1328 | fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, | |
1329 | fragP->fr_offset, 1, BFD_RELOC_UNUSED + (int)fragP->fr_opcode); | |
1330 | fragP->fr_var = 0; | |
1331 | fragP->fr_fix += 2; | |
1332 | } | |
1333 | /* Out of range conditional branch. Emit a branch around a jump. */ | |
1334 | else if (fragP->fr_subtype == 1) | |
1335 | { | |
28e4f854 | 1336 | unsigned char *buffer = |
252b5132 RH |
1337 | (unsigned char *) (fragP->fr_fix + fragP->fr_literal); |
1338 | ||
1339 | /* Reverse the condition of the first branch. */ | |
1340 | buffer[0] ^= 0x08; | |
1341 | /* Mask off all the displacement bits. */ | |
1342 | buffer[0] &= 0x8f; | |
1343 | buffer[1] &= 0x07; | |
1344 | /* Now set the displacement bits so that we branch | |
1345 | around the unconditional branch. */ | |
1346 | buffer[0] |= 0x30; | |
1347 | ||
1348 | /* Now create the unconditional branch + fixup to the final | |
1349 | target. */ | |
1350 | md_number_to_chars (buffer + 2, 0x00000780, 4); | |
1351 | fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol, | |
1352 | fragP->fr_offset, 1, BFD_RELOC_UNUSED + | |
1353 | (int) fragP->fr_opcode + 1); | |
1354 | fragP->fr_var = 0; | |
1355 | fragP->fr_fix += 6; | |
1356 | } | |
1357 | /* Out of range unconditional branch. Emit a jump. */ | |
1358 | else if (fragP->fr_subtype == 3) | |
1359 | { | |
1360 | md_number_to_chars (fragP->fr_fix + fragP->fr_literal, 0x00000780, 4); | |
1361 | fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, | |
1362 | fragP->fr_offset, 1, BFD_RELOC_UNUSED + | |
1363 | (int) fragP->fr_opcode + 1); | |
1364 | fragP->fr_var = 0; | |
1365 | fragP->fr_fix += 4; | |
1366 | } | |
1367 | else | |
1368 | abort (); | |
1369 | } | |
1370 | ||
1371 | valueT | |
1372 | md_section_align (seg, addr) | |
28e4f854 KH |
1373 | asection *seg; |
1374 | valueT addr; | |
252b5132 RH |
1375 | { |
1376 | int align = bfd_get_section_alignment (stdoutput, seg); | |
1377 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
1378 | } | |
1379 | ||
1380 | void | |
1381 | md_begin () | |
1382 | { | |
28e4f854 KH |
1383 | char *prev_name = ""; |
1384 | register const struct v850_opcode *op; | |
1385 | flagword applicable; | |
252b5132 RH |
1386 | |
1387 | if (strncmp (TARGET_CPU, "v850ea", 6) == 0) | |
1388 | { | |
1389 | if (machine == -1) | |
1390 | machine = bfd_mach_v850ea; | |
28e4f854 | 1391 | |
252b5132 RH |
1392 | if (processor_mask == -1) |
1393 | processor_mask = PROCESSOR_V850EA; | |
1394 | } | |
1395 | else if (strncmp (TARGET_CPU, "v850e", 5) == 0) | |
1396 | { | |
1397 | if (machine == -1) | |
28e4f854 KH |
1398 | machine = bfd_mach_v850e; |
1399 | ||
252b5132 RH |
1400 | if (processor_mask == -1) |
1401 | processor_mask = PROCESSOR_V850E; | |
1402 | } | |
28e4f854 | 1403 | else if (strncmp (TARGET_CPU, "v850", 4) == 0) |
252b5132 RH |
1404 | { |
1405 | if (machine == -1) | |
28e4f854 KH |
1406 | machine = 0; |
1407 | ||
252b5132 RH |
1408 | if (processor_mask == -1) |
1409 | processor_mask = PROCESSOR_V850; | |
1410 | } | |
1411 | else | |
28e4f854 KH |
1412 | /* xgettext:c-format */ |
1413 | as_bad (_("Unable to determine default target processor from string: %s"), | |
252b5132 RH |
1414 | TARGET_CPU); |
1415 | ||
1416 | v850_hash = hash_new(); | |
1417 | ||
1418 | /* Insert unique names into hash table. The V850 instruction set | |
1419 | has many identical opcode names that have different opcodes based | |
1420 | on the operands. This hash table then provides a quick index to | |
1421 | the first opcode with a particular name in the opcode table. */ | |
1422 | ||
1423 | op = v850_opcodes; | |
1424 | while (op->name) | |
1425 | { | |
28e4f854 | 1426 | if (strcmp (prev_name, op->name)) |
252b5132 RH |
1427 | { |
1428 | prev_name = (char *) op->name; | |
1429 | hash_insert (v850_hash, op->name, (char *) op); | |
1430 | } | |
1431 | op++; | |
1432 | } | |
1433 | ||
1434 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine); | |
1435 | ||
1436 | applicable = bfd_applicable_section_flags (stdoutput); | |
28e4f854 | 1437 | |
252b5132 RH |
1438 | call_table_data_section = subseg_new (".call_table_data", 0); |
1439 | bfd_set_section_flags (stdoutput, call_table_data_section, | |
1440 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC | |
1441 | | SEC_DATA | SEC_HAS_CONTENTS)); | |
28e4f854 | 1442 | |
252b5132 RH |
1443 | call_table_text_section = subseg_new (".call_table_text", 0); |
1444 | bfd_set_section_flags (stdoutput, call_table_text_section, | |
1445 | applicable & (SEC_ALLOC | SEC_LOAD | SEC_READONLY | |
1446 | | SEC_CODE)); | |
28e4f854 | 1447 | |
252b5132 RH |
1448 | /* Restore text section as the current default. */ |
1449 | subseg_set (text_section, 0); | |
1450 | } | |
1451 | ||
252b5132 | 1452 | static bfd_reloc_code_real_type |
28e4f854 | 1453 | handle_ctoff (const struct v850_operand *operand) |
252b5132 RH |
1454 | { |
1455 | if (operand == NULL) | |
1456 | return BFD_RELOC_V850_CALLT_16_16_OFFSET; | |
1457 | ||
28e4f854 | 1458 | if (operand->bits != 6 |
252b5132 RH |
1459 | || operand->shift != 0) |
1460 | { | |
1461 | as_bad (_("ctoff() relocation used on an instruction which does not support it")); | |
1462 | return BFD_RELOC_64; /* Used to indicate an error condition. */ | |
1463 | } | |
28e4f854 | 1464 | |
252b5132 RH |
1465 | return BFD_RELOC_V850_CALLT_6_7_OFFSET; |
1466 | } | |
1467 | ||
1468 | static bfd_reloc_code_real_type | |
28e4f854 | 1469 | handle_sdaoff (const struct v850_operand *operand) |
252b5132 | 1470 | { |
28e4f854 KH |
1471 | if (operand == NULL) |
1472 | return BFD_RELOC_V850_SDA_16_16_OFFSET; | |
1473 | ||
1474 | if (operand->bits == 15 && operand->shift == 17) | |
1475 | return BFD_RELOC_V850_SDA_15_16_OFFSET; | |
1476 | ||
1477 | if (operand->bits == -1) | |
1478 | return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET; | |
1479 | ||
1480 | if (operand->bits != 16 | |
252b5132 RH |
1481 | || operand->shift != 16) |
1482 | { | |
1483 | as_bad (_("sdaoff() relocation used on an instruction which does not support it")); | |
1484 | return BFD_RELOC_64; /* Used to indicate an error condition. */ | |
1485 | } | |
28e4f854 | 1486 | |
252b5132 RH |
1487 | return BFD_RELOC_V850_SDA_16_16_OFFSET; |
1488 | } | |
1489 | ||
1490 | static bfd_reloc_code_real_type | |
28e4f854 | 1491 | handle_zdaoff (const struct v850_operand *operand) |
252b5132 | 1492 | { |
28e4f854 KH |
1493 | if (operand == NULL) |
1494 | return BFD_RELOC_V850_ZDA_16_16_OFFSET; | |
1495 | ||
1496 | if (operand->bits == 15 && operand->shift == 17) | |
1497 | return BFD_RELOC_V850_ZDA_15_16_OFFSET; | |
252b5132 | 1498 | |
28e4f854 KH |
1499 | if (operand->bits == -1) |
1500 | return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET; | |
1501 | ||
1502 | if (operand->bits != 16 | |
252b5132 RH |
1503 | || operand->shift != 16) |
1504 | { | |
1505 | as_bad (_("zdaoff() relocation used on an instruction which does not support it")); | |
28e4f854 KH |
1506 | /* Used to indicate an error condition. */ |
1507 | return BFD_RELOC_64; | |
252b5132 | 1508 | } |
28e4f854 | 1509 | |
252b5132 RH |
1510 | return BFD_RELOC_V850_ZDA_16_16_OFFSET; |
1511 | } | |
1512 | ||
1513 | static bfd_reloc_code_real_type | |
28e4f854 | 1514 | handle_tdaoff (const struct v850_operand *operand) |
252b5132 | 1515 | { |
28e4f854 KH |
1516 | if (operand == NULL) |
1517 | /* Data item, not an instruction. */ | |
1518 | return BFD_RELOC_V850_TDA_7_7_OFFSET; | |
1519 | ||
1520 | if (operand->bits == 6 && operand->shift == 1) | |
1521 | /* sld.w/sst.w, operand: D8_6 */ | |
1522 | return BFD_RELOC_V850_TDA_6_8_OFFSET; | |
1523 | ||
1524 | if (operand->bits == 4 && operand->insert != NULL) | |
1525 | /* sld.hu, operand: D5-4 */ | |
1526 | return BFD_RELOC_V850_TDA_4_5_OFFSET; | |
1527 | ||
1528 | if (operand->bits == 4 && operand->insert == NULL) | |
1529 | /* sld.bu, operand: D4 */ | |
1530 | return BFD_RELOC_V850_TDA_4_4_OFFSET; | |
1531 | ||
1532 | if (operand->bits == 16 && operand->shift == 16) | |
1533 | /* set1 & chums, operands: D16 */ | |
1534 | return BFD_RELOC_V850_TDA_16_16_OFFSET; | |
1535 | ||
252b5132 RH |
1536 | if (operand->bits != 7) |
1537 | { | |
1538 | as_bad (_("tdaoff() relocation used on an instruction which does not support it")); | |
28e4f854 KH |
1539 | /* Used to indicate an error condition. */ |
1540 | return BFD_RELOC_64; | |
252b5132 | 1541 | } |
28e4f854 | 1542 | |
252b5132 | 1543 | return operand->insert != NULL |
28e4f854 KH |
1544 | ? BFD_RELOC_V850_TDA_7_8_OFFSET /* sld.h/sst.h, operand: D8_7 */ |
1545 | : BFD_RELOC_V850_TDA_7_7_OFFSET; /* sld.b/sst.b, opreand: D7 */ | |
252b5132 RH |
1546 | } |
1547 | ||
1548 | /* Warning: The code in this function relies upon the definitions | |
1549 | in the v850_operands[] array (defined in opcodes/v850-opc.c) | |
1550 | matching the hard coded values contained herein. */ | |
1551 | ||
1552 | static bfd_reloc_code_real_type | |
28e4f854 | 1553 | v850_reloc_prefix (const struct v850_operand *operand) |
252b5132 RH |
1554 | { |
1555 | boolean paren_skipped = false; | |
1556 | ||
252b5132 | 1557 | /* Skip leading opening parenthesis. */ |
28e4f854 | 1558 | if (*input_line_pointer == '(') |
252b5132 | 1559 | { |
28e4f854 | 1560 | ++input_line_pointer; |
252b5132 RH |
1561 | paren_skipped = true; |
1562 | } | |
1563 | ||
1564 | #define CHECK_(name, reloc) \ | |
1565 | if (strncmp (input_line_pointer, name##"(", strlen (name) + 1) == 0) \ | |
1566 | { \ | |
1567 | input_line_pointer += strlen (name); \ | |
1568 | return reloc; \ | |
1569 | } | |
28e4f854 KH |
1570 | |
1571 | CHECK_ ("hi0", BFD_RELOC_HI16 ); | |
1572 | CHECK_ ("hi", BFD_RELOC_HI16_S ); | |
1573 | CHECK_ ("lo", BFD_RELOC_LO16 ); | |
252b5132 RH |
1574 | CHECK_ ("sdaoff", handle_sdaoff (operand)); |
1575 | CHECK_ ("zdaoff", handle_zdaoff (operand)); | |
1576 | CHECK_ ("tdaoff", handle_tdaoff (operand)); | |
28e4f854 KH |
1577 | CHECK_ ("hilo", BFD_RELOC_32 ); |
1578 | CHECK_ ("ctoff", handle_ctoff (operand) ); | |
1579 | ||
252b5132 RH |
1580 | /* Restore skipped parenthesis. */ |
1581 | if (paren_skipped) | |
28e4f854 KH |
1582 | --input_line_pointer; |
1583 | ||
252b5132 RH |
1584 | return BFD_RELOC_UNUSED; |
1585 | } | |
1586 | ||
1587 | /* Insert an operand value into an instruction. */ | |
1588 | ||
1589 | static unsigned long | |
1590 | v850_insert_operand (insn, operand, val, file, line, str) | |
28e4f854 KH |
1591 | unsigned long insn; |
1592 | const struct v850_operand *operand; | |
1593 | offsetT val; | |
1594 | char *file; | |
1595 | unsigned int line; | |
1596 | char *str; | |
252b5132 RH |
1597 | { |
1598 | if (operand->insert) | |
1599 | { | |
28e4f854 KH |
1600 | const char *message = NULL; |
1601 | ||
1602 | insn = operand->insert (insn, val, &message); | |
252b5132 RH |
1603 | if (message != NULL) |
1604 | { | |
1605 | if ((operand->flags & V850_OPERAND_SIGNED) | |
1606 | && ! warn_signed_overflows | |
1607 | && strstr (message, "out of range") != NULL) | |
1608 | { | |
28e4f854 | 1609 | /* Skip warning... */ |
252b5132 RH |
1610 | } |
1611 | else if ((operand->flags & V850_OPERAND_SIGNED) == 0 | |
1612 | && ! warn_unsigned_overflows | |
1613 | && strstr (message, "out of range") != NULL) | |
1614 | { | |
28e4f854 | 1615 | /* Skip warning... */ |
252b5132 RH |
1616 | } |
1617 | else if (str) | |
1618 | { | |
1619 | if (file == (char *) NULL) | |
1620 | as_warn ("%s: %s", str, message); | |
1621 | else | |
1622 | as_warn_where (file, line, "%s: %s", str, message); | |
1623 | } | |
1624 | else | |
1625 | { | |
1626 | if (file == (char *) NULL) | |
1627 | as_warn (message); | |
1628 | else | |
1629 | as_warn_where (file, line, message); | |
1630 | } | |
1631 | } | |
1632 | } | |
1633 | else | |
1634 | { | |
1635 | if (operand->bits != 32) | |
1636 | { | |
28e4f854 | 1637 | long min, max; |
252b5132 RH |
1638 | |
1639 | if ((operand->flags & V850_OPERAND_SIGNED) != 0) | |
1640 | { | |
1641 | if (! warn_signed_overflows) | |
1642 | max = (1 << operand->bits) - 1; | |
1643 | else | |
1644 | max = (1 << (operand->bits - 1)) - 1; | |
28e4f854 KH |
1645 | |
1646 | min = -(1 << (operand->bits - 1)); | |
252b5132 RH |
1647 | } |
1648 | else | |
1649 | { | |
1650 | max = (1 << operand->bits) - 1; | |
28e4f854 | 1651 | |
252b5132 | 1652 | if (! warn_unsigned_overflows) |
28e4f854 | 1653 | min = -(1 << (operand->bits - 1)); |
252b5132 RH |
1654 | else |
1655 | min = 0; | |
1656 | } | |
28e4f854 | 1657 | |
252b5132 RH |
1658 | if (val < (offsetT) min || val > (offsetT) max) |
1659 | { | |
28e4f854 KH |
1660 | /* xgettext:c-format */ |
1661 | const char *err = | |
1662 | _("operand out of range (%s not between %ld and %ld)"); | |
1663 | char buf[100]; | |
1664 | ||
252b5132 RH |
1665 | /* Restore min and mix to expected values for decimal ranges. */ |
1666 | if ((operand->flags & V850_OPERAND_SIGNED) | |
1667 | && ! warn_signed_overflows) | |
1668 | max = (1 << (operand->bits - 1)) - 1; | |
1669 | ||
1670 | if (! (operand->flags & V850_OPERAND_SIGNED) | |
1671 | && ! warn_unsigned_overflows) | |
1672 | min = 0; | |
1673 | ||
1674 | if (str) | |
1675 | { | |
1676 | sprintf (buf, "%s: ", str); | |
28e4f854 | 1677 | |
252b5132 RH |
1678 | sprint_value (buf + strlen (buf), val); |
1679 | } | |
1680 | else | |
1681 | sprint_value (buf, val); | |
28e4f854 | 1682 | |
252b5132 RH |
1683 | if (file == (char *) NULL) |
1684 | as_warn (err, buf, min, max); | |
1685 | else | |
1686 | as_warn_where (file, line, err, buf, min, max); | |
1687 | } | |
1688 | } | |
1689 | ||
1690 | insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift); | |
1691 | } | |
28e4f854 | 1692 | |
252b5132 RH |
1693 | return insn; |
1694 | } | |
252b5132 | 1695 | \f |
28e4f854 | 1696 | static char copy_of_instruction[128]; |
252b5132 RH |
1697 | |
1698 | void | |
28e4f854 KH |
1699 | md_assemble (str) |
1700 | char *str; | |
252b5132 | 1701 | { |
28e4f854 KH |
1702 | char *s; |
1703 | char *start_of_operands; | |
1704 | struct v850_opcode *opcode; | |
1705 | struct v850_opcode *next_opcode; | |
1706 | const unsigned char *opindex_ptr; | |
1707 | int next_opindex; | |
1708 | int relaxable = 0; | |
1709 | unsigned long insn; | |
1710 | unsigned long insn_size; | |
1711 | char *f; | |
1712 | int i; | |
1713 | int match; | |
1714 | boolean extra_data_after_insn = false; | |
1715 | unsigned extra_data_len = 0; | |
1716 | unsigned long extra_data = 0; | |
1717 | char *saved_input_line_pointer; | |
1718 | ||
252b5132 | 1719 | strncpy (copy_of_instruction, str, sizeof (copy_of_instruction) - 1); |
28e4f854 | 1720 | |
252b5132 RH |
1721 | /* Get the opcode. */ |
1722 | for (s = str; *s != '\0' && ! isspace (*s); s++) | |
1723 | continue; | |
28e4f854 | 1724 | |
252b5132 RH |
1725 | if (*s != '\0') |
1726 | *s++ = '\0'; | |
1727 | ||
28e4f854 | 1728 | /* Find the first opcode with the proper name. */ |
252b5132 RH |
1729 | opcode = (struct v850_opcode *) hash_find (v850_hash, str); |
1730 | if (opcode == NULL) | |
1731 | { | |
28e4f854 | 1732 | /* xgettext:c-format */ |
252b5132 RH |
1733 | as_bad (_("Unrecognized opcode: `%s'"), str); |
1734 | ignore_rest_of_line (); | |
1735 | return; | |
1736 | } | |
1737 | ||
1738 | str = s; | |
28e4f854 KH |
1739 | while (isspace (*str)) |
1740 | ++str; | |
252b5132 RH |
1741 | |
1742 | start_of_operands = str; | |
1743 | ||
1744 | saved_input_line_pointer = input_line_pointer; | |
28e4f854 | 1745 | |
252b5132 RH |
1746 | for (;;) |
1747 | { | |
28e4f854 | 1748 | const char *errmsg = NULL; |
252b5132 RH |
1749 | |
1750 | match = 0; | |
28e4f854 | 1751 | |
252b5132 RH |
1752 | if ((opcode->processors & processor_mask) == 0) |
1753 | { | |
1754 | errmsg = _("Target processor does not support this instruction."); | |
1755 | goto error; | |
1756 | } | |
28e4f854 | 1757 | |
252b5132 RH |
1758 | relaxable = 0; |
1759 | fc = 0; | |
1760 | next_opindex = 0; | |
1761 | insn = opcode->opcode; | |
1762 | extra_data_after_insn = false; | |
1763 | ||
1764 | input_line_pointer = str = start_of_operands; | |
1765 | ||
28e4f854 | 1766 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) |
252b5132 | 1767 | { |
28e4f854 KH |
1768 | const struct v850_operand *operand; |
1769 | char *hold; | |
1770 | expressionS ex; | |
1771 | bfd_reloc_code_real_type reloc; | |
252b5132 RH |
1772 | |
1773 | if (next_opindex == 0) | |
1774 | { | |
28e4f854 | 1775 | operand = &v850_operands[*opindex_ptr]; |
252b5132 RH |
1776 | } |
1777 | else | |
1778 | { | |
28e4f854 | 1779 | operand = &v850_operands[next_opindex]; |
252b5132 RH |
1780 | next_opindex = 0; |
1781 | } | |
1782 | ||
1783 | errmsg = NULL; | |
1784 | ||
1785 | while (*str == ' ' || *str == ',' || *str == '[' || *str == ']') | |
28e4f854 | 1786 | ++str; |
252b5132 RH |
1787 | |
1788 | if (operand->flags & V850_OPERAND_RELAX) | |
1789 | relaxable = 1; | |
1790 | ||
28e4f854 | 1791 | /* Gather the operand. */ |
252b5132 RH |
1792 | hold = input_line_pointer; |
1793 | input_line_pointer = str; | |
28e4f854 KH |
1794 | |
1795 | /* lo(), hi(), hi0(), etc... */ | |
252b5132 RH |
1796 | if ((reloc = v850_reloc_prefix (operand)) != BFD_RELOC_UNUSED) |
1797 | { | |
1798 | /* This is a fake reloc, used to indicate an error condition. */ | |
1799 | if (reloc == BFD_RELOC_64) | |
1800 | { | |
1801 | match = 1; | |
1802 | goto error; | |
1803 | } | |
28e4f854 KH |
1804 | |
1805 | expression (&ex); | |
252b5132 RH |
1806 | |
1807 | if (ex.X_op == O_constant) | |
1808 | { | |
1809 | switch (reloc) | |
1810 | { | |
1811 | case BFD_RELOC_V850_ZDA_16_16_OFFSET: | |
1812 | /* To cope with "not1 7, zdaoff(0xfffff006)[r0]" | |
1813 | and the like. */ | |
1814 | /* Fall through. */ | |
28e4f854 | 1815 | |
252b5132 RH |
1816 | case BFD_RELOC_LO16: |
1817 | { | |
1818 | /* Truncate, then sign extend the value. */ | |
1819 | ex.X_add_number = SEXT16 (ex.X_add_number); | |
1820 | break; | |
1821 | } | |
1822 | ||
1823 | case BFD_RELOC_HI16: | |
1824 | { | |
1825 | /* Truncate, then sign extend the value. */ | |
1826 | ex.X_add_number = SEXT16 (ex.X_add_number >> 16); | |
1827 | break; | |
1828 | } | |
1829 | ||
1830 | case BFD_RELOC_HI16_S: | |
1831 | { | |
1832 | /* Truncate, then sign extend the value. */ | |
28e4f854 | 1833 | int temp = (ex.X_add_number >> 16) & 0xffff; |
252b5132 RH |
1834 | |
1835 | temp += (ex.X_add_number >> 15) & 1; | |
1836 | ||
1837 | ex.X_add_number = SEXT16 (temp); | |
1838 | break; | |
1839 | } | |
28e4f854 | 1840 | |
252b5132 RH |
1841 | case BFD_RELOC_32: |
1842 | if ((operand->flags & V850E_IMMEDIATE32) == 0) | |
1843 | { | |
1844 | errmsg = _("immediate operand is too large"); | |
1845 | goto error; | |
1846 | } | |
28e4f854 | 1847 | |
252b5132 RH |
1848 | extra_data_after_insn = true; |
1849 | extra_data_len = 4; | |
1850 | extra_data = ex.X_add_number; | |
1851 | ex.X_add_number = 0; | |
1852 | break; | |
28e4f854 | 1853 | |
252b5132 RH |
1854 | default: |
1855 | fprintf (stderr, "reloc: %d\n", reloc); | |
1856 | as_bad (_("AAARG -> unhandled constant reloc")); | |
1857 | break; | |
1858 | } | |
1859 | ||
1860 | if (fc > MAX_INSN_FIXUPS) | |
1861 | as_fatal (_("too many fixups")); | |
28e4f854 KH |
1862 | |
1863 | fixups[fc].exp = ex; | |
1864 | fixups[fc].opindex = *opindex_ptr; | |
1865 | fixups[fc].reloc = reloc; | |
252b5132 RH |
1866 | fc++; |
1867 | } | |
1868 | else | |
1869 | { | |
1870 | if (reloc == BFD_RELOC_32) | |
1871 | { | |
1872 | if ((operand->flags & V850E_IMMEDIATE32) == 0) | |
1873 | { | |
1874 | errmsg = _("immediate operand is too large"); | |
1875 | goto error; | |
1876 | } | |
28e4f854 | 1877 | |
252b5132 RH |
1878 | extra_data_after_insn = true; |
1879 | extra_data_len = 4; | |
1880 | extra_data = ex.X_add_number; | |
1881 | } | |
28e4f854 | 1882 | |
252b5132 RH |
1883 | if (fc > MAX_INSN_FIXUPS) |
1884 | as_fatal (_("too many fixups")); | |
1885 | ||
28e4f854 KH |
1886 | fixups[fc].exp = ex; |
1887 | fixups[fc].opindex = *opindex_ptr; | |
1888 | fixups[fc].reloc = reloc; | |
252b5132 RH |
1889 | fc++; |
1890 | } | |
1891 | } | |
1892 | else | |
1893 | { | |
1894 | errmsg = NULL; | |
28e4f854 KH |
1895 | |
1896 | if ((operand->flags & V850_OPERAND_REG) != 0) | |
252b5132 | 1897 | { |
28e4f854 | 1898 | if (!register_name (&ex)) |
252b5132 RH |
1899 | { |
1900 | errmsg = _("invalid register name"); | |
1901 | } | |
1902 | else if ((operand->flags & V850_NOT_R0) | |
28e4f854 | 1903 | && ex.X_add_number == 0) |
252b5132 RH |
1904 | { |
1905 | errmsg = _("register r0 cannot be used here"); | |
28e4f854 | 1906 | |
252b5132 RH |
1907 | /* Force an error message to be generated by |
1908 | skipping over any following potential matches | |
1909 | for this opcode. */ | |
1910 | opcode += 3; | |
1911 | } | |
1912 | } | |
28e4f854 | 1913 | else if ((operand->flags & V850_OPERAND_SRG) != 0) |
252b5132 | 1914 | { |
28e4f854 | 1915 | if (!system_register_name (&ex, true, false)) |
252b5132 RH |
1916 | { |
1917 | errmsg = _("invalid system register name"); | |
1918 | } | |
1919 | } | |
1920 | else if ((operand->flags & V850_OPERAND_EP) != 0) | |
1921 | { | |
28e4f854 KH |
1922 | char *start = input_line_pointer; |
1923 | char c = get_symbol_end (); | |
1924 | ||
252b5132 RH |
1925 | if (strcmp (start, "ep") != 0 && strcmp (start, "r30") != 0) |
1926 | { | |
1927 | /* Put things back the way we found them. */ | |
1928 | *input_line_pointer = c; | |
1929 | input_line_pointer = start; | |
1930 | errmsg = _("expected EP register"); | |
1931 | goto error; | |
1932 | } | |
28e4f854 | 1933 | |
252b5132 RH |
1934 | *input_line_pointer = c; |
1935 | str = input_line_pointer; | |
1936 | input_line_pointer = hold; | |
28e4f854 KH |
1937 | |
1938 | while (*str == ' ' || *str == ',' | |
1939 | || *str == '[' || *str == ']') | |
1940 | ++str; | |
252b5132 RH |
1941 | continue; |
1942 | } | |
28e4f854 | 1943 | else if ((operand->flags & V850_OPERAND_CC) != 0) |
252b5132 | 1944 | { |
28e4f854 | 1945 | if (!cc_name (&ex)) |
252b5132 RH |
1946 | { |
1947 | errmsg = _("invalid condition code name"); | |
1948 | } | |
1949 | } | |
28e4f854 | 1950 | else if (operand->flags & V850E_PUSH_POP) |
252b5132 | 1951 | { |
28e4f854 KH |
1952 | errmsg = parse_register_list (&insn, operand); |
1953 | ||
252b5132 RH |
1954 | /* The parse_register_list() function has already done |
1955 | everything, so fake a dummy expression. */ | |
1956 | ex.X_op = O_constant; | |
1957 | ex.X_add_number = 0; | |
1958 | } | |
28e4f854 | 1959 | else if (operand->flags & V850E_IMMEDIATE16) |
252b5132 | 1960 | { |
28e4f854 | 1961 | expression (&ex); |
252b5132 RH |
1962 | |
1963 | if (ex.X_op != O_constant) | |
1964 | errmsg = _("constant expression expected"); | |
1965 | else if (ex.X_add_number & 0xffff0000) | |
1966 | { | |
1967 | if (ex.X_add_number & 0xffff) | |
1968 | errmsg = _("constant too big to fit into instruction"); | |
1969 | else if ((insn & 0x001fffc0) == 0x00130780) | |
1970 | ex.X_add_number >>= 16; | |
1971 | else | |
1972 | errmsg = _("constant too big to fit into instruction"); | |
1973 | } | |
28e4f854 | 1974 | |
252b5132 RH |
1975 | extra_data_after_insn = true; |
1976 | extra_data_len = 2; | |
1977 | extra_data = ex.X_add_number; | |
1978 | ex.X_add_number = 0; | |
1979 | } | |
28e4f854 | 1980 | else if (operand->flags & V850E_IMMEDIATE32) |
252b5132 | 1981 | { |
28e4f854 KH |
1982 | expression (&ex); |
1983 | ||
252b5132 RH |
1984 | if (ex.X_op != O_constant) |
1985 | errmsg = _("constant expression expected"); | |
28e4f854 | 1986 | |
252b5132 RH |
1987 | extra_data_after_insn = true; |
1988 | extra_data_len = 4; | |
1989 | extra_data = ex.X_add_number; | |
1990 | ex.X_add_number = 0; | |
1991 | } | |
28e4f854 | 1992 | else if (register_name (&ex) |
252b5132 RH |
1993 | && (operand->flags & V850_OPERAND_REG) == 0) |
1994 | { | |
1995 | char c; | |
28e4f854 KH |
1996 | int exists = 0; |
1997 | ||
252b5132 RH |
1998 | /* It is possible that an alias has been defined that |
1999 | matches a register name. For example the code may | |
2000 | include a ".set ZERO, 0" directive, which matches | |
2001 | the register name "zero". Attempt to reparse the | |
2002 | field as an expression, and only complain if we | |
2003 | cannot generate a constant. */ | |
2004 | ||
2005 | input_line_pointer = str; | |
2006 | ||
2007 | c = get_symbol_end (); | |
28e4f854 | 2008 | |
252b5132 RH |
2009 | if (symbol_find (str) != NULL) |
2010 | exists = 1; | |
28e4f854 KH |
2011 | |
2012 | *input_line_pointer = c; | |
252b5132 | 2013 | input_line_pointer = str; |
28e4f854 KH |
2014 | |
2015 | expression (&ex); | |
252b5132 RH |
2016 | |
2017 | if (ex.X_op != O_constant) | |
2018 | { | |
2019 | /* If this register is actually occuring too early on | |
2020 | the parsing of the instruction, (because another | |
2021 | field is missing) then report this. */ | |
2022 | if (opindex_ptr[1] != 0 | |
28e4f854 KH |
2023 | && (v850_operands[opindex_ptr[1]].flags |
2024 | & V850_OPERAND_REG)) | |
252b5132 RH |
2025 | errmsg = _("syntax error: value is missing before the register name"); |
2026 | else | |
2027 | errmsg = _("syntax error: register not expected"); | |
2028 | ||
28e4f854 KH |
2029 | /* If we created a symbol in the process of this |
2030 | test then delete it now, so that it will not | |
2031 | be output with the real symbols... */ | |
252b5132 RH |
2032 | if (exists == 0 |
2033 | && ex.X_op == O_symbol) | |
2034 | symbol_remove (ex.X_add_symbol, | |
28e4f854 | 2035 | &symbol_rootP, &symbol_lastP); |
252b5132 RH |
2036 | } |
2037 | } | |
28e4f854 | 2038 | else if (system_register_name (&ex, false, false) |
252b5132 RH |
2039 | && (operand->flags & V850_OPERAND_SRG) == 0) |
2040 | { | |
2041 | errmsg = _("syntax error: system register not expected"); | |
2042 | } | |
2043 | else if (cc_name (&ex) | |
2044 | && (operand->flags & V850_OPERAND_CC) == 0) | |
2045 | { | |
2046 | errmsg = _("syntax error: condition code not expected"); | |
2047 | } | |
2048 | else | |
2049 | { | |
28e4f854 | 2050 | expression (&ex); |
252b5132 RH |
2051 | /* Special case: |
2052 | If we are assembling a MOV instruction (or a CALLT.... :-) | |
2053 | and the immediate value does not fit into the bits | |
2054 | available then create a fake error so that the next MOV | |
2055 | instruction will be selected. This one has a 32 bit | |
2056 | immediate field. */ | |
2057 | ||
2058 | if (((insn & 0x07e0) == 0x0200) | |
2059 | && ex.X_op == O_constant | |
28e4f854 | 2060 | && (ex.X_add_number < (-(1 << (operand->bits - 1))) |
252b5132 RH |
2061 | || ex.X_add_number > ((1 << operand->bits) - 1))) |
2062 | errmsg = _("immediate operand is too large"); | |
2063 | } | |
2064 | ||
2065 | if (errmsg) | |
2066 | goto error; | |
252b5132 | 2067 | |
28e4f854 KH |
2068 | #if 0 |
2069 | fprintf (stderr, | |
2070 | " insn: %x, operand %d, op: %d, add_number: %d\n", | |
2071 | insn, opindex_ptr - opcode->operands, | |
2072 | ex.X_op, ex.X_add_number); | |
2073 | #endif | |
2074 | ||
2075 | switch (ex.X_op) | |
252b5132 RH |
2076 | { |
2077 | case O_illegal: | |
2078 | errmsg = _("illegal operand"); | |
2079 | goto error; | |
2080 | case O_absent: | |
2081 | errmsg = _("missing operand"); | |
2082 | goto error; | |
2083 | case O_register: | |
28e4f854 KH |
2084 | if ((operand->flags |
2085 | & (V850_OPERAND_REG | V850_OPERAND_SRG)) == 0) | |
252b5132 RH |
2086 | { |
2087 | errmsg = _("invalid operand"); | |
2088 | goto error; | |
2089 | } | |
2090 | insn = v850_insert_operand (insn, operand, ex.X_add_number, | |
2091 | (char *) NULL, 0, | |
2092 | copy_of_instruction); | |
2093 | break; | |
2094 | ||
2095 | case O_constant: | |
2096 | insn = v850_insert_operand (insn, operand, ex.X_add_number, | |
2097 | (char *) NULL, 0, | |
2098 | copy_of_instruction); | |
2099 | break; | |
2100 | ||
2101 | default: | |
2102 | /* We need to generate a fixup for this expression. */ | |
2103 | if (fc >= MAX_INSN_FIXUPS) | |
2104 | as_fatal (_("too many fixups")); | |
2105 | ||
28e4f854 KH |
2106 | fixups[fc].exp = ex; |
2107 | fixups[fc].opindex = *opindex_ptr; | |
2108 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
252b5132 RH |
2109 | ++fc; |
2110 | break; | |
2111 | } | |
2112 | } | |
2113 | ||
2114 | str = input_line_pointer; | |
2115 | input_line_pointer = hold; | |
2116 | ||
2117 | while (*str == ' ' || *str == ',' || *str == '[' || *str == ']' | |
2118 | || *str == ')') | |
2119 | ++str; | |
2120 | } | |
2121 | match = 1; | |
2122 | ||
2123 | error: | |
2124 | if (match == 0) | |
28e4f854 | 2125 | { |
252b5132 RH |
2126 | next_opcode = opcode + 1; |
2127 | if (next_opcode->name != NULL | |
2128 | && strcmp (next_opcode->name, opcode->name) == 0) | |
2129 | { | |
2130 | opcode = next_opcode; | |
2131 | ||
2132 | /* Skip versions that are not supported by the target | |
2133 | processor. */ | |
2134 | if ((opcode->processors & processor_mask) == 0) | |
2135 | goto error; | |
28e4f854 | 2136 | |
252b5132 RH |
2137 | continue; |
2138 | } | |
28e4f854 | 2139 | |
252b5132 | 2140 | as_bad ("%s: %s", copy_of_instruction, errmsg); |
28e4f854 KH |
2141 | |
2142 | if (*input_line_pointer == ']') | |
2143 | ++input_line_pointer; | |
2144 | ||
252b5132 RH |
2145 | ignore_rest_of_line (); |
2146 | input_line_pointer = saved_input_line_pointer; | |
2147 | return; | |
28e4f854 | 2148 | } |
252b5132 RH |
2149 | break; |
2150 | } | |
28e4f854 | 2151 | |
252b5132 RH |
2152 | while (isspace (*str)) |
2153 | ++str; | |
2154 | ||
2155 | if (*str != '\0') | |
28e4f854 | 2156 | /* xgettext:c-format */ |
252b5132 RH |
2157 | as_bad (_("junk at end of line: `%s'"), str); |
2158 | ||
2159 | input_line_pointer = str; | |
2160 | ||
28e4f854 KH |
2161 | /* Write out the instruction. */ |
2162 | ||
252b5132 RH |
2163 | if (relaxable && fc > 0) |
2164 | { | |
2165 | insn_size = 2; | |
2166 | fc = 0; | |
2167 | ||
2168 | if (!strcmp (opcode->name, "br")) | |
2169 | { | |
2170 | f = frag_var (rs_machine_dependent, 4, 2, 2, | |
2171 | fixups[0].exp.X_add_symbol, | |
2172 | fixups[0].exp.X_add_number, | |
28e4f854 | 2173 | (char *) fixups[0].opindex); |
252b5132 RH |
2174 | md_number_to_chars (f, insn, insn_size); |
2175 | md_number_to_chars (f + 2, 0, 2); | |
2176 | } | |
2177 | else | |
2178 | { | |
2179 | f = frag_var (rs_machine_dependent, 6, 4, 0, | |
2180 | fixups[0].exp.X_add_symbol, | |
2181 | fixups[0].exp.X_add_number, | |
28e4f854 | 2182 | (char *) fixups[0].opindex); |
252b5132 RH |
2183 | md_number_to_chars (f, insn, insn_size); |
2184 | md_number_to_chars (f + 2, 0, 4); | |
2185 | } | |
2186 | } | |
28e4f854 | 2187 | else |
252b5132 RH |
2188 | { |
2189 | /* Four byte insns have an opcode with the two high bits on. */ | |
2190 | if ((insn & 0x0600) == 0x0600) | |
2191 | insn_size = 4; | |
2192 | else | |
2193 | insn_size = 2; | |
2194 | ||
28e4f854 | 2195 | /* Special case: 32 bit MOV. */ |
252b5132 RH |
2196 | if ((insn & 0xffe0) == 0x0620) |
2197 | insn_size = 2; | |
28e4f854 | 2198 | |
252b5132 | 2199 | f = frag_more (insn_size); |
28e4f854 | 2200 | |
252b5132 RH |
2201 | md_number_to_chars (f, insn, insn_size); |
2202 | ||
2203 | if (extra_data_after_insn) | |
2204 | { | |
2205 | f = frag_more (extra_data_len); | |
28e4f854 | 2206 | |
252b5132 RH |
2207 | md_number_to_chars (f, extra_data, extra_data_len); |
2208 | ||
2209 | extra_data_after_insn = false; | |
2210 | } | |
2211 | } | |
2212 | ||
2213 | /* Create any fixups. At this point we do not use a | |
2214 | bfd_reloc_code_real_type, but instead just use the | |
2215 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2216 | handle fixups for any operand type, although that is admittedly | |
2217 | not a very exciting feature. We pick a BFD reloc type in | |
28e4f854 | 2218 | md_apply_fix. */ |
252b5132 RH |
2219 | for (i = 0; i < fc; i++) |
2220 | { | |
28e4f854 KH |
2221 | const struct v850_operand *operand; |
2222 | bfd_reloc_code_real_type reloc; | |
2223 | ||
2224 | operand = &v850_operands[fixups[i].opindex]; | |
252b5132 RH |
2225 | |
2226 | reloc = fixups[i].reloc; | |
28e4f854 | 2227 | |
252b5132 RH |
2228 | if (reloc != BFD_RELOC_UNUSED) |
2229 | { | |
28e4f854 KH |
2230 | reloc_howto_type *reloc_howto = |
2231 | bfd_reloc_type_lookup (stdoutput, reloc); | |
2232 | int size; | |
2233 | int address; | |
2234 | fixS *fixP; | |
252b5132 RH |
2235 | |
2236 | if (!reloc_howto) | |
28e4f854 KH |
2237 | abort (); |
2238 | ||
252b5132 RH |
2239 | size = bfd_get_reloc_size (reloc_howto); |
2240 | ||
2241 | /* XXX This will abort on an R_V850_8 reloc - | |
28e4f854 KH |
2242 | is this reloc actually used? */ |
2243 | if (size != 2 && size != 4) | |
252b5132 RH |
2244 | abort (); |
2245 | ||
2246 | address = (f - frag_now->fr_literal) + insn_size - size; | |
2247 | ||
2248 | if (reloc == BFD_RELOC_32) | |
28e4f854 KH |
2249 | address += 2; |
2250 | ||
252b5132 | 2251 | fixP = fix_new_exp (frag_now, address, size, |
28e4f854 | 2252 | &fixups[i].exp, |
252b5132 RH |
2253 | reloc_howto->pc_relative, |
2254 | reloc); | |
2255 | ||
2256 | switch (reloc) | |
2257 | { | |
2258 | case BFD_RELOC_LO16: | |
2259 | case BFD_RELOC_HI16: | |
2260 | case BFD_RELOC_HI16_S: | |
2261 | fixP->fx_no_overflow = 1; | |
2262 | break; | |
5480ccf3 NC |
2263 | default: |
2264 | break; | |
252b5132 RH |
2265 | } |
2266 | } | |
2267 | else | |
2268 | { | |
28e4f854 | 2269 | fix_new_exp (frag_now, |
252b5132 RH |
2270 | f - frag_now->fr_literal, 4, |
2271 | & fixups[i].exp, | |
28e4f854 | 2272 | 1 /* FIXME: V850_OPERAND_RELATIVE ??? */, |
252b5132 | 2273 | (bfd_reloc_code_real_type) (fixups[i].opindex |
28e4f854 | 2274 | + (int) BFD_RELOC_UNUSED)); |
252b5132 RH |
2275 | } |
2276 | } | |
2277 | ||
2278 | input_line_pointer = saved_input_line_pointer; | |
2279 | } | |
2280 | ||
28e4f854 KH |
2281 | /* If while processing a fixup, a reloc really needs to be created |
2282 | then it is done here. */ | |
252b5132 | 2283 | |
252b5132 RH |
2284 | arelent * |
2285 | tc_gen_reloc (seg, fixp) | |
28e4f854 KH |
2286 | asection *seg ATTRIBUTE_UNUSED; |
2287 | fixS *fixp; | |
252b5132 | 2288 | { |
28e4f854 KH |
2289 | arelent *reloc; |
2290 | ||
2291 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
2292 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); | |
2293 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
2294 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
2295 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
252b5132 RH |
2296 | |
2297 | if (reloc->howto == (reloc_howto_type *) NULL) | |
2298 | { | |
2299 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
28e4f854 KH |
2300 | /* xgettext:c-format */ |
2301 | _("reloc %d not supported by object file format"), | |
252b5132 RH |
2302 | (int) fixp->fx_r_type); |
2303 | ||
2304 | xfree (reloc); | |
28e4f854 | 2305 | |
252b5132 RH |
2306 | return NULL; |
2307 | } | |
28e4f854 KH |
2308 | |
2309 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY | |
252b5132 RH |
2310 | || fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT) |
2311 | reloc->addend = fixp->fx_offset; | |
2312 | else | |
2313 | reloc->addend = fixp->fx_addnumber; | |
28e4f854 | 2314 | |
252b5132 RH |
2315 | return reloc; |
2316 | } | |
2317 | ||
2318 | /* Assume everything will fit in two bytes, then expand as necessary. */ | |
28e4f854 | 2319 | |
252b5132 RH |
2320 | int |
2321 | md_estimate_size_before_relax (fragp, seg) | |
28e4f854 KH |
2322 | fragS *fragp; |
2323 | asection *seg ATTRIBUTE_UNUSED; | |
252b5132 RH |
2324 | { |
2325 | if (fragp->fr_subtype == 0) | |
2326 | fragp->fr_var = 4; | |
2327 | else if (fragp->fr_subtype == 2) | |
2328 | fragp->fr_var = 2; | |
2329 | else | |
2330 | abort (); | |
2331 | return 2; | |
28e4f854 | 2332 | } |
252b5132 RH |
2333 | |
2334 | long | |
2335 | v850_pcrel_from_section (fixp, section) | |
28e4f854 KH |
2336 | fixS *fixp; |
2337 | segT section; | |
252b5132 RH |
2338 | { |
2339 | /* If the symbol is undefined, or in a section other than our own, | |
d6c497c7 | 2340 | or it is weak (in which case it may well be in another section, |
252b5132 RH |
2341 | then let the linker figure it out. */ |
2342 | if (fixp->fx_addsy != (symbolS *) NULL | |
2343 | && (! S_IS_DEFINED (fixp->fx_addsy) | |
d6c497c7 | 2344 | || S_IS_WEAK (fixp->fx_addsy) |
252b5132 | 2345 | || (S_GET_SEGMENT (fixp->fx_addsy) != section))) |
d6c497c7 | 2346 | return 0; |
28e4f854 | 2347 | |
252b5132 RH |
2348 | return fixp->fx_frag->fr_address + fixp->fx_where; |
2349 | } | |
2350 | ||
2351 | int | |
2352 | md_apply_fix3 (fixp, valuep, seg) | |
28e4f854 KH |
2353 | fixS *fixp; |
2354 | valueT *valuep; | |
2355 | segT seg ATTRIBUTE_UNUSED; | |
252b5132 RH |
2356 | { |
2357 | valueT value; | |
28e4f854 | 2358 | char *where; |
252b5132 | 2359 | |
28e4f854 | 2360 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
252b5132 RH |
2361 | || fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
2362 | { | |
2363 | fixp->fx_done = 0; | |
2364 | return 1; | |
2365 | } | |
2366 | ||
2367 | if (fixp->fx_addsy == (symbolS *) NULL) | |
2368 | { | |
28e4f854 | 2369 | value = *valuep; |
252b5132 RH |
2370 | fixp->fx_done = 1; |
2371 | } | |
2372 | else if (fixp->fx_pcrel) | |
28e4f854 | 2373 | value = *valuep; |
252b5132 RH |
2374 | else |
2375 | { | |
2376 | value = fixp->fx_offset; | |
2377 | if (fixp->fx_subsy != (symbolS *) NULL) | |
2378 | { | |
2379 | if (S_GET_SEGMENT (fixp->fx_subsy) == absolute_section) | |
2380 | value -= S_GET_VALUE (fixp->fx_subsy); | |
2381 | else | |
2382 | { | |
2383 | /* We don't actually support subtracting a symbol. */ | |
2384 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
2385 | _("expression too complex")); | |
2386 | } | |
2387 | } | |
2388 | } | |
2389 | ||
2390 | if ((int) fixp->fx_r_type >= (int) BFD_RELOC_UNUSED) | |
2391 | { | |
28e4f854 KH |
2392 | int opindex; |
2393 | const struct v850_operand *operand; | |
2394 | unsigned long insn; | |
252b5132 RH |
2395 | |
2396 | opindex = (int) fixp->fx_r_type - (int) BFD_RELOC_UNUSED; | |
28e4f854 | 2397 | operand = &v850_operands[opindex]; |
252b5132 RH |
2398 | |
2399 | /* Fetch the instruction, insert the fully resolved operand | |
2400 | value, and stuff the instruction back again. | |
2401 | ||
2402 | Note the instruction has been stored in little endian | |
2403 | format! */ | |
2404 | where = fixp->fx_frag->fr_literal + fixp->fx_where; | |
2405 | ||
2406 | insn = bfd_getl32 ((unsigned char *) where); | |
2407 | insn = v850_insert_operand (insn, operand, (offsetT) value, | |
2408 | fixp->fx_file, fixp->fx_line, NULL); | |
2409 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); | |
2410 | ||
2411 | if (fixp->fx_done) | |
2412 | { | |
28e4f854 | 2413 | /* Nothing else to do here. */ |
252b5132 RH |
2414 | return 1; |
2415 | } | |
2416 | ||
28e4f854 KH |
2417 | /* Determine a BFD reloc value based on the operand information. |
2418 | We are only prepared to turn a few of the operands into relocs. */ | |
252b5132 RH |
2419 | |
2420 | if (operand->bits == 22) | |
2421 | fixp->fx_r_type = BFD_RELOC_V850_22_PCREL; | |
2422 | else if (operand->bits == 9) | |
2423 | fixp->fx_r_type = BFD_RELOC_V850_9_PCREL; | |
2424 | else | |
2425 | { | |
28e4f854 KH |
2426 | #if 0 |
2427 | fprintf (stderr, "bits: %d, insn: %x\n", operand->bits, insn); | |
2428 | #endif | |
2429 | ||
252b5132 | 2430 | as_bad_where (fixp->fx_file, fixp->fx_line, |
28e4f854 | 2431 | _("unresolved expression that must be resolved")); |
252b5132 RH |
2432 | fixp->fx_done = 1; |
2433 | return 1; | |
2434 | } | |
2435 | } | |
2436 | else if (fixp->fx_done) | |
2437 | { | |
2438 | /* We still have to insert the value into memory! */ | |
2439 | where = fixp->fx_frag->fr_literal + fixp->fx_where; | |
2440 | ||
2441 | if (fixp->fx_size == 1) | |
28e4f854 | 2442 | *where = value & 0xff; |
252b5132 RH |
2443 | else if (fixp->fx_size == 2) |
2444 | bfd_putl16 (value & 0xffff, (unsigned char *) where); | |
2445 | else if (fixp->fx_size == 4) | |
2446 | bfd_putl32 (value, (unsigned char *) where); | |
2447 | } | |
28e4f854 | 2448 | |
252b5132 RH |
2449 | fixp->fx_addnumber = value; |
2450 | return 1; | |
2451 | } | |
252b5132 RH |
2452 | \f |
2453 | /* Parse a cons expression. We have to handle hi(), lo(), etc | |
2454 | on the v850. */ | |
28e4f854 | 2455 | |
252b5132 RH |
2456 | void |
2457 | parse_cons_expression_v850 (exp) | |
28e4f854 | 2458 | expressionS *exp; |
252b5132 RH |
2459 | { |
2460 | /* See if there's a reloc prefix like hi() we have to handle. */ | |
2461 | hold_cons_reloc = v850_reloc_prefix (NULL); | |
2462 | ||
2463 | /* Do normal expression parsing. */ | |
2464 | expression (exp); | |
2465 | } | |
2466 | ||
2467 | /* Create a fixup for a cons expression. If parse_cons_expression_v850 | |
2468 | found a reloc prefix, then we use that reloc, else we choose an | |
2469 | appropriate one based on the size of the expression. */ | |
28e4f854 | 2470 | |
252b5132 RH |
2471 | void |
2472 | cons_fix_new_v850 (frag, where, size, exp) | |
28e4f854 | 2473 | fragS *frag; |
252b5132 RH |
2474 | int where; |
2475 | int size; | |
2476 | expressionS *exp; | |
2477 | { | |
2478 | if (hold_cons_reloc == BFD_RELOC_UNUSED) | |
2479 | { | |
2480 | if (size == 4) | |
2481 | hold_cons_reloc = BFD_RELOC_32; | |
2482 | if (size == 2) | |
2483 | hold_cons_reloc = BFD_RELOC_16; | |
2484 | if (size == 1) | |
2485 | hold_cons_reloc = BFD_RELOC_8; | |
2486 | } | |
2487 | ||
2488 | if (exp != NULL) | |
2489 | fix_new_exp (frag, where, size, exp, 0, hold_cons_reloc); | |
2490 | else | |
2491 | fix_new (frag, where, size, NULL, 0, 0, hold_cons_reloc); | |
2492 | } | |
d6c497c7 | 2493 | |
252b5132 RH |
2494 | boolean |
2495 | v850_fix_adjustable (fixP) | |
28e4f854 | 2496 | fixS *fixP; |
252b5132 | 2497 | { |
252b5132 RH |
2498 | if (fixP->fx_addsy == NULL) |
2499 | return 1; | |
28e4f854 KH |
2500 | |
2501 | /* Prevent all adjustments to global symbols. */ | |
252b5132 RH |
2502 | if (S_IS_EXTERN (fixP->fx_addsy)) |
2503 | return 0; | |
28e4f854 | 2504 | |
5480ccf3 | 2505 | /* Similarly for weak symbols. */ |
252b5132 RH |
2506 | if (S_IS_WEAK (fixP->fx_addsy)) |
2507 | return 0; | |
28e4f854 KH |
2508 | |
2509 | /* Don't adjust function names. */ | |
252b5132 RH |
2510 | if (S_IS_FUNCTION (fixP->fx_addsy)) |
2511 | return 0; | |
2512 | ||
28e4f854 KH |
2513 | /* We need the symbol name for the VTABLE entries. */ |
2514 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
252b5132 RH |
2515 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
2516 | return 0; | |
28e4f854 | 2517 | |
252b5132 RH |
2518 | return 1; |
2519 | } | |
28e4f854 | 2520 | |
252b5132 | 2521 | int |
d6c497c7 | 2522 | v850_force_relocation (fixP) |
28e4f854 | 2523 | struct fix *fixP; |
252b5132 | 2524 | { |
d6c497c7 NC |
2525 | if (fixP->fx_addsy && S_IS_WEAK (fixP->fx_addsy)) |
2526 | return 1; | |
28e4f854 KH |
2527 | |
2528 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
d6c497c7 | 2529 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
252b5132 | 2530 | return 1; |
28e4f854 | 2531 | |
252b5132 RH |
2532 | return 0; |
2533 | } |