Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* tc-v850.c -- Assembler code for the NEC V850 |
9e0665bc | 2 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 |
507c8a1a | 3 | Free Software Foundation, Inc. |
252b5132 RH |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include <stdio.h> | |
252b5132 | 23 | #include "as.h" |
3882b010 | 24 | #include "safe-ctype.h" |
28e4f854 | 25 | #include "subsegs.h" |
252b5132 | 26 | #include "opcode/v850.h" |
a8761a19 | 27 | #include "dwarf2dbg.h" |
252b5132 | 28 | |
28e4f854 KH |
29 | /* Sign-extend a 16-bit number. */ |
30 | #define SEXT16(x) ((((x) & 0xffff) ^ (~0x7fff)) + 0x8000) | |
252b5132 RH |
31 | |
32 | /* Temporarily holds the reloc in a cons expression. */ | |
a8761a19 | 33 | static bfd_reloc_code_real_type hold_cons_reloc = BFD_RELOC_UNUSED; |
252b5132 RH |
34 | |
35 | /* Set to TRUE if we want to be pedantic about signed overflows. */ | |
36 | static boolean warn_signed_overflows = FALSE; | |
37 | static boolean warn_unsigned_overflows = FALSE; | |
38 | ||
39 | /* Indicates the target BFD machine number. */ | |
28e4f854 | 40 | static int machine = -1; |
252b5132 RH |
41 | |
42 | /* Indicates the target processor(s) for the assemble. */ | |
28e4f854 | 43 | static int processor_mask = -1; |
252b5132 RH |
44 | \f |
45 | /* Structure to hold information about predefined registers. */ | |
19d63e5d | 46 | struct reg_name { |
28e4f854 KH |
47 | const char *name; |
48 | int value; | |
252b5132 RH |
49 | }; |
50 | ||
28e4f854 KH |
51 | /* Generic assembler global variables which must be defined by all |
52 | targets. */ | |
252b5132 | 53 | |
28e4f854 | 54 | /* Characters which always start a comment. */ |
252b5132 RH |
55 | const char comment_chars[] = "#"; |
56 | ||
57 | /* Characters which start a comment at the beginning of a line. */ | |
58 | const char line_comment_chars[] = ";#"; | |
59 | ||
28e4f854 | 60 | /* Characters which may be used to separate multiple commands on a |
252b5132 RH |
61 | single line. */ |
62 | const char line_separator_chars[] = ";"; | |
63 | ||
28e4f854 | 64 | /* Characters which are used to indicate an exponent in a floating |
252b5132 RH |
65 | point number. */ |
66 | const char EXP_CHARS[] = "eE"; | |
67 | ||
28e4f854 | 68 | /* Characters which mean that a number is a floating point constant, |
252b5132 RH |
69 | as in 0d1.0. */ |
70 | const char FLT_CHARS[] = "dD"; | |
71 | \f | |
19d63e5d | 72 | const relax_typeS md_relax_table[] = { |
252b5132 RH |
73 | /* Conditional branches. */ |
74 | {0xff, -0x100, 2, 1}, | |
75 | {0x1fffff, -0x200000, 6, 0}, | |
76 | /* Unconditional branches. */ | |
77 | {0xff, -0x100, 2, 3}, | |
78 | {0x1fffff, -0x200000, 4, 0}, | |
79 | }; | |
80 | ||
28e4f854 | 81 | /* Fixups. */ |
252b5132 | 82 | #define MAX_INSN_FIXUPS (5) |
19d63e5d | 83 | struct v850_fixup { |
28e4f854 KH |
84 | expressionS exp; |
85 | int opindex; | |
252b5132 RH |
86 | bfd_reloc_code_real_type reloc; |
87 | }; | |
88 | ||
28e4f854 | 89 | struct v850_fixup fixups[MAX_INSN_FIXUPS]; |
252b5132 | 90 | static int fc; |
252b5132 | 91 | |
9e0665bc | 92 | struct v850_seg_entry |
252b5132 | 93 | { |
9e0665bc AM |
94 | segT s; |
95 | const char *name; | |
96 | flagword flags; | |
97 | }; | |
252b5132 | 98 | |
9e0665bc | 99 | struct v850_seg_entry v850_seg_table[] = |
252b5132 | 100 | { |
9e0665bc AM |
101 | { NULL, ".sdata", |
102 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS | |
103 | | SEC_SMALL_DATA }, | |
104 | { NULL, ".tdata", | |
105 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS }, | |
106 | { NULL, ".zdata", | |
107 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS }, | |
108 | { NULL, ".sbss", | |
109 | SEC_ALLOC | SEC_SMALL_DATA }, | |
110 | { NULL, ".tbss", | |
111 | SEC_ALLOC }, | |
112 | { NULL, ".zbss", | |
113 | SEC_ALLOC}, | |
114 | { NULL, ".rosdata", | |
115 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_DATA | |
116 | | SEC_HAS_CONTENTS | SEC_SMALL_DATA }, | |
117 | { NULL, ".rozdata", | |
118 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_DATA | |
119 | | SEC_HAS_CONTENTS }, | |
120 | { NULL, ".scommon", | |
121 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS | |
122 | | SEC_SMALL_DATA | SEC_IS_COMMON }, | |
123 | { NULL, ".tcommon", | |
124 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS | |
125 | | SEC_IS_COMMON }, | |
126 | { NULL, ".zcommon", | |
127 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS | |
128 | | SEC_IS_COMMON }, | |
129 | { NULL, ".call_table_data", | |
130 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS }, | |
131 | { NULL, ".call_table_text", | |
132 | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE | |
133 | | SEC_HAS_CONTENTS}, | |
134 | { NULL, ".bss", | |
135 | SEC_ALLOC } | |
136 | }; | |
28e4f854 | 137 | |
9e0665bc AM |
138 | #define SDATA_SECTION 0 |
139 | #define TDATA_SECTION 1 | |
140 | #define ZDATA_SECTION 2 | |
141 | #define SBSS_SECTION 3 | |
142 | #define TBSS_SECTION 4 | |
143 | #define ZBSS_SECTION 5 | |
144 | #define ROSDATA_SECTION 6 | |
145 | #define ROZDATA_SECTION 7 | |
146 | #define SCOMMON_SECTION 8 | |
147 | #define TCOMMON_SECTION 9 | |
148 | #define ZCOMMON_SECTION 10 | |
149 | #define CALL_TABLE_DATA_SECTION 11 | |
150 | #define CALL_TABLE_TEXT_SECTION 12 | |
151 | #define BSS_SECTION 13 | |
152 | ||
153 | static void do_v850_seg PARAMS ((int, subsegT)); | |
252b5132 | 154 | |
9e0665bc AM |
155 | static void |
156 | do_v850_seg (i, sub) | |
157 | int i; | |
158 | subsegT sub; | |
252b5132 | 159 | { |
9e0665bc | 160 | struct v850_seg_entry *seg = v850_seg_table + i; |
28e4f854 | 161 | |
28e4f854 | 162 | obj_elf_section_change_hook (); |
9e0665bc AM |
163 | if (seg->s != NULL) |
164 | { | |
165 | subseg_set (seg->s, sub); | |
166 | } | |
167 | else | |
168 | { | |
169 | seg->s = subseg_new (seg->name, sub); | |
170 | bfd_set_section_flags (stdoutput, seg->s, seg->flags); | |
171 | if ((seg->flags & SEC_LOAD) == 0) | |
172 | seg_info (seg->s)->bss = 1; | |
173 | } | |
252b5132 RH |
174 | } |
175 | ||
9e0665bc | 176 | static void v850_seg PARAMS ((int i)); |
28e4f854 | 177 | |
9e0665bc AM |
178 | static void |
179 | v850_seg (i) | |
180 | int i; | |
252b5132 | 181 | { |
9e0665bc | 182 | subsegT sub = get_absolute_expression (); |
28e4f854 | 183 | |
9e0665bc | 184 | do_v850_seg (i, sub); |
252b5132 RH |
185 | demand_empty_rest_of_line (); |
186 | } | |
187 | ||
9e0665bc | 188 | static void v850_offset PARAMS ((int)); |
28e4f854 | 189 | |
9e0665bc AM |
190 | static void |
191 | v850_offset (ignore) | |
192 | int ignore ATTRIBUTE_UNUSED; | |
252b5132 RH |
193 | { |
194 | int temp = get_absolute_expression (); | |
28e4f854 KH |
195 | |
196 | temp -= frag_now_fix (); | |
197 | ||
252b5132 RH |
198 | if (temp > 0) |
199 | (void) frag_more (temp); | |
28e4f854 | 200 | |
252b5132 RH |
201 | demand_empty_rest_of_line (); |
202 | } | |
203 | ||
28e4f854 KH |
204 | /* Copied from obj_elf_common() in gas/config/obj-elf.c. */ |
205 | ||
9e0665bc AM |
206 | static void v850_comm PARAMS ((int)); |
207 | ||
252b5132 RH |
208 | static void |
209 | v850_comm (area) | |
210 | int area; | |
211 | { | |
28e4f854 KH |
212 | char *name; |
213 | char c; | |
214 | char *p; | |
215 | int temp; | |
216 | unsigned int size; | |
217 | symbolS *symbolP; | |
218 | int have_align; | |
252b5132 RH |
219 | |
220 | name = input_line_pointer; | |
221 | c = get_symbol_end (); | |
28e4f854 KH |
222 | |
223 | /* Just after name is now '\0'. */ | |
252b5132 RH |
224 | p = input_line_pointer; |
225 | *p = c; | |
28e4f854 | 226 | |
252b5132 | 227 | SKIP_WHITESPACE (); |
28e4f854 | 228 | |
252b5132 RH |
229 | if (*input_line_pointer != ',') |
230 | { | |
231 | as_bad (_("Expected comma after symbol-name")); | |
232 | ignore_rest_of_line (); | |
233 | return; | |
234 | } | |
28e4f854 KH |
235 | |
236 | /* Skip ','. */ | |
237 | input_line_pointer++; | |
238 | ||
252b5132 RH |
239 | if ((temp = get_absolute_expression ()) < 0) |
240 | { | |
28e4f854 | 241 | /* xgettext:c-format */ |
252b5132 RH |
242 | as_bad (_(".COMMon length (%d.) < 0! Ignored."), temp); |
243 | ignore_rest_of_line (); | |
244 | return; | |
245 | } | |
28e4f854 | 246 | |
252b5132 RH |
247 | size = temp; |
248 | *p = 0; | |
249 | symbolP = symbol_find_or_make (name); | |
250 | *p = c; | |
28e4f854 | 251 | |
252b5132 RH |
252 | if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP)) |
253 | { | |
254 | as_bad (_("Ignoring attempt to re-define symbol")); | |
255 | ignore_rest_of_line (); | |
256 | return; | |
257 | } | |
28e4f854 | 258 | |
252b5132 RH |
259 | if (S_GET_VALUE (symbolP) != 0) |
260 | { | |
261 | if (S_GET_VALUE (symbolP) != size) | |
262 | { | |
28e4f854 | 263 | /* xgettext:c-format */ |
252b5132 RH |
264 | as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."), |
265 | S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size); | |
266 | } | |
267 | } | |
28e4f854 KH |
268 | |
269 | know (symbol_get_frag (symbolP) == &zero_address_frag); | |
270 | ||
252b5132 RH |
271 | if (*input_line_pointer != ',') |
272 | have_align = 0; | |
273 | else | |
274 | { | |
275 | have_align = 1; | |
276 | input_line_pointer++; | |
277 | SKIP_WHITESPACE (); | |
278 | } | |
28e4f854 | 279 | |
252b5132 RH |
280 | if (! have_align || *input_line_pointer != '"') |
281 | { | |
282 | if (! have_align) | |
283 | temp = 0; | |
284 | else | |
285 | { | |
286 | temp = get_absolute_expression (); | |
28e4f854 | 287 | |
252b5132 RH |
288 | if (temp < 0) |
289 | { | |
290 | temp = 0; | |
291 | as_warn (_("Common alignment negative; 0 assumed")); | |
292 | } | |
293 | } | |
28e4f854 | 294 | |
cac58fa6 | 295 | if (symbol_get_obj (symbolP)->local) |
252b5132 | 296 | { |
28e4f854 KH |
297 | segT old_sec; |
298 | int old_subsec; | |
299 | char *pfrag; | |
300 | int align; | |
301 | flagword applicable; | |
252b5132 RH |
302 | |
303 | old_sec = now_seg; | |
304 | old_subsec = now_subseg; | |
28e4f854 | 305 | |
252b5132 | 306 | applicable = bfd_applicable_section_flags (stdoutput); |
28e4f854 | 307 | |
252b5132 | 308 | applicable &= SEC_ALLOC; |
28e4f854 | 309 | |
252b5132 RH |
310 | switch (area) |
311 | { | |
9e0665bc AM |
312 | case SCOMMON_SECTION: |
313 | do_v850_seg (SBSS_SECTION, 0); | |
252b5132 | 314 | break; |
28e4f854 | 315 | |
9e0665bc AM |
316 | case ZCOMMON_SECTION: |
317 | do_v850_seg (ZBSS_SECTION, 0); | |
252b5132 | 318 | break; |
28e4f854 | 319 | |
9e0665bc AM |
320 | case TCOMMON_SECTION: |
321 | do_v850_seg (TBSS_SECTION, 0); | |
252b5132 RH |
322 | break; |
323 | } | |
324 | ||
325 | if (temp) | |
326 | { | |
28e4f854 | 327 | /* Convert to a power of 2 alignment. */ |
252b5132 RH |
328 | for (align = 0; (temp & 1) == 0; temp >>= 1, ++align) |
329 | ; | |
28e4f854 | 330 | |
252b5132 RH |
331 | if (temp != 1) |
332 | { | |
333 | as_bad (_("Common alignment not a power of 2")); | |
334 | ignore_rest_of_line (); | |
335 | return; | |
336 | } | |
337 | } | |
338 | else | |
339 | align = 0; | |
28e4f854 | 340 | |
9e0665bc | 341 | record_alignment (now_seg, align); |
28e4f854 | 342 | |
252b5132 RH |
343 | if (align) |
344 | frag_align (align, 0, 0); | |
345 | ||
346 | switch (area) | |
347 | { | |
9e0665bc AM |
348 | case SCOMMON_SECTION: |
349 | if (S_GET_SEGMENT (symbolP) == v850_seg_table[SBSS_SECTION].s) | |
7dcc9865 | 350 | symbol_get_frag (symbolP)->fr_symbol = 0; |
252b5132 RH |
351 | break; |
352 | ||
9e0665bc AM |
353 | case ZCOMMON_SECTION: |
354 | if (S_GET_SEGMENT (symbolP) == v850_seg_table[ZBSS_SECTION].s) | |
7dcc9865 | 355 | symbol_get_frag (symbolP)->fr_symbol = 0; |
252b5132 RH |
356 | break; |
357 | ||
9e0665bc AM |
358 | case TCOMMON_SECTION: |
359 | if (S_GET_SEGMENT (symbolP) == v850_seg_table[TBSS_SECTION].s) | |
7dcc9865 | 360 | symbol_get_frag (symbolP)->fr_symbol = 0; |
252b5132 RH |
361 | break; |
362 | ||
363 | default: | |
cac58fa6 | 364 | abort (); |
252b5132 | 365 | } |
28e4f854 | 366 | |
7dcc9865 | 367 | symbol_set_frag (symbolP, frag_now); |
252b5132 RH |
368 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, |
369 | (offsetT) size, (char *) 0); | |
370 | *pfrag = 0; | |
371 | S_SET_SIZE (symbolP, size); | |
28e4f854 | 372 | |
252b5132 RH |
373 | switch (area) |
374 | { | |
9e0665bc AM |
375 | case SCOMMON_SECTION: |
376 | S_SET_SEGMENT (symbolP, v850_seg_table[SBSS_SECTION].s); | |
252b5132 | 377 | break; |
28e4f854 | 378 | |
9e0665bc AM |
379 | case ZCOMMON_SECTION: |
380 | S_SET_SEGMENT (symbolP, v850_seg_table[ZBSS_SECTION].s); | |
252b5132 | 381 | break; |
28e4f854 | 382 | |
9e0665bc AM |
383 | case TCOMMON_SECTION: |
384 | S_SET_SEGMENT (symbolP, v850_seg_table[TBSS_SECTION].s); | |
252b5132 | 385 | break; |
28e4f854 | 386 | |
252b5132 | 387 | default: |
28e4f854 | 388 | abort (); |
252b5132 | 389 | } |
28e4f854 | 390 | |
252b5132 | 391 | S_CLEAR_EXTERNAL (symbolP); |
28e4f854 | 392 | obj_elf_section_change_hook (); |
252b5132 RH |
393 | subseg_set (old_sec, old_subsec); |
394 | } | |
395 | else | |
396 | { | |
397 | allocate_common: | |
398 | S_SET_VALUE (symbolP, (valueT) size); | |
399 | S_SET_ALIGN (symbolP, temp); | |
400 | S_SET_EXTERNAL (symbolP); | |
28e4f854 | 401 | |
252b5132 RH |
402 | switch (area) |
403 | { | |
9e0665bc AM |
404 | case SCOMMON_SECTION: |
405 | case ZCOMMON_SECTION: | |
406 | case TCOMMON_SECTION: | |
407 | do_v850_seg (area, 0); | |
408 | S_SET_SEGMENT (symbolP, v850_seg_table[area].s); | |
252b5132 | 409 | break; |
28e4f854 | 410 | |
252b5132 | 411 | default: |
28e4f854 | 412 | abort (); |
252b5132 RH |
413 | } |
414 | } | |
415 | } | |
416 | else | |
417 | { | |
418 | input_line_pointer++; | |
28e4f854 | 419 | |
252b5132 RH |
420 | /* @@ Some use the dot, some don't. Can we get some consistency?? */ |
421 | if (*input_line_pointer == '.') | |
422 | input_line_pointer++; | |
28e4f854 | 423 | |
252b5132 RH |
424 | /* @@ Some say data, some say bss. */ |
425 | if (strncmp (input_line_pointer, "bss\"", 4) | |
426 | && strncmp (input_line_pointer, "data\"", 5)) | |
427 | { | |
428 | while (*--input_line_pointer != '"') | |
429 | ; | |
430 | input_line_pointer--; | |
431 | goto bad_common_segment; | |
432 | } | |
433 | while (*input_line_pointer++ != '"') | |
434 | ; | |
435 | goto allocate_common; | |
436 | } | |
437 | ||
fed9b18a | 438 | symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT; |
252b5132 RH |
439 | |
440 | demand_empty_rest_of_line (); | |
441 | return; | |
442 | ||
443 | { | |
444 | bad_common_segment: | |
445 | p = input_line_pointer; | |
446 | while (*p && *p != '\n') | |
447 | p++; | |
448 | c = *p; | |
449 | *p = '\0'; | |
450 | as_bad (_("bad .common segment %s"), input_line_pointer + 1); | |
451 | *p = c; | |
452 | input_line_pointer = p; | |
453 | ignore_rest_of_line (); | |
454 | return; | |
455 | } | |
456 | } | |
457 | ||
9e0665bc AM |
458 | static void set_machine PARAMS ((int)); |
459 | ||
460 | static void | |
461 | set_machine (number) | |
462 | int number; | |
252b5132 RH |
463 | { |
464 | machine = number; | |
465 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine); | |
466 | ||
467 | switch (machine) | |
468 | { | |
28e4f854 KH |
469 | case 0: processor_mask = PROCESSOR_V850; break; |
470 | case bfd_mach_v850e: processor_mask = PROCESSOR_V850E; break; | |
252b5132 RH |
471 | case bfd_mach_v850ea: processor_mask = PROCESSOR_V850EA; break; |
472 | } | |
473 | } | |
474 | ||
475 | /* The target specific pseudo-ops which we support. */ | |
19d63e5d | 476 | const pseudo_typeS md_pseudo_table[] = { |
9e0665bc AM |
477 | { "sdata", v850_seg, SDATA_SECTION }, |
478 | { "tdata", v850_seg, TDATA_SECTION }, | |
479 | { "zdata", v850_seg, ZDATA_SECTION }, | |
480 | { "sbss", v850_seg, SBSS_SECTION }, | |
481 | { "tbss", v850_seg, TBSS_SECTION }, | |
482 | { "zbss", v850_seg, ZBSS_SECTION }, | |
483 | { "rosdata", v850_seg, ROSDATA_SECTION }, | |
484 | { "rozdata", v850_seg, ROZDATA_SECTION }, | |
485 | { "bss", v850_seg, BSS_SECTION }, | |
486 | { "offset", v850_offset, 0 }, | |
487 | { "word", cons, 4 }, | |
488 | { "zcomm", v850_comm, ZCOMMON_SECTION }, | |
489 | { "scomm", v850_comm, SCOMMON_SECTION }, | |
490 | { "tcomm", v850_comm, TCOMMON_SECTION }, | |
491 | { "v850", set_machine, 0 }, | |
492 | { "call_table_data", v850_seg, CALL_TABLE_DATA_SECTION }, | |
493 | { "call_table_text", v850_seg, CALL_TABLE_TEXT_SECTION }, | |
494 | { "v850e", set_machine, bfd_mach_v850e }, | |
495 | { "v850ea", set_machine, bfd_mach_v850ea }, | |
496 | { "file", dwarf2_directive_file, 0 }, | |
497 | { "loc", dwarf2_directive_loc, 0 }, | |
498 | { NULL, NULL, 0 } | |
252b5132 RH |
499 | }; |
500 | ||
501 | /* Opcode hash table. */ | |
502 | static struct hash_control *v850_hash; | |
503 | ||
28e4f854 | 504 | /* This table is sorted. Suitable for searching by a binary search. */ |
19d63e5d | 505 | static const struct reg_name pre_defined_registers[] = { |
252b5132 | 506 | { "ep", 30 }, /* ep - element ptr */ |
28e4f854 KH |
507 | { "gp", 4 }, /* gp - global ptr */ |
508 | { "hp", 2 }, /* hp - handler stack ptr */ | |
509 | { "lp", 31 }, /* lp - link ptr */ | |
252b5132 RH |
510 | { "r0", 0 }, |
511 | { "r1", 1 }, | |
512 | { "r10", 10 }, | |
513 | { "r11", 11 }, | |
514 | { "r12", 12 }, | |
515 | { "r13", 13 }, | |
516 | { "r14", 14 }, | |
517 | { "r15", 15 }, | |
518 | { "r16", 16 }, | |
519 | { "r17", 17 }, | |
520 | { "r18", 18 }, | |
521 | { "r19", 19 }, | |
522 | { "r2", 2 }, | |
523 | { "r20", 20 }, | |
524 | { "r21", 21 }, | |
525 | { "r22", 22 }, | |
526 | { "r23", 23 }, | |
527 | { "r24", 24 }, | |
528 | { "r25", 25 }, | |
529 | { "r26", 26 }, | |
530 | { "r27", 27 }, | |
531 | { "r28", 28 }, | |
532 | { "r29", 29 }, | |
533 | { "r3", 3 }, | |
534 | { "r30", 30 }, | |
535 | { "r31", 31 }, | |
536 | { "r4", 4 }, | |
537 | { "r5", 5 }, | |
538 | { "r6", 6 }, | |
539 | { "r7", 7 }, | |
540 | { "r8", 8 }, | |
541 | { "r9", 9 }, | |
28e4f854 KH |
542 | { "sp", 3 }, /* sp - stack ptr */ |
543 | { "tp", 5 }, /* tp - text ptr */ | |
252b5132 RH |
544 | { "zero", 0 }, |
545 | }; | |
252b5132 | 546 | |
28e4f854 KH |
547 | #define REG_NAME_CNT \ |
548 | (sizeof (pre_defined_registers) / sizeof (struct reg_name)) | |
252b5132 | 549 | |
19d63e5d | 550 | static const struct reg_name system_registers[] = { |
252b5132 RH |
551 | { "ctbp", 20 }, |
552 | { "ctpc", 16 }, | |
553 | { "ctpsw", 17 }, | |
554 | { "dbpc", 18 }, | |
555 | { "dbpsw", 19 }, | |
556 | { "ecr", 4 }, | |
557 | { "eipc", 0 }, | |
558 | { "eipsw", 1 }, | |
559 | { "fepc", 2 }, | |
560 | { "fepsw", 3 }, | |
561 | { "psw", 5 }, | |
562 | }; | |
28e4f854 KH |
563 | |
564 | #define SYSREG_NAME_CNT \ | |
565 | (sizeof (system_registers) / sizeof (struct reg_name)) | |
252b5132 | 566 | |
19d63e5d | 567 | static const struct reg_name system_list_registers[] = { |
252b5132 RH |
568 | {"PS", 5 }, |
569 | {"SR", 0 + 1} | |
570 | }; | |
28e4f854 KH |
571 | |
572 | #define SYSREGLIST_NAME_CNT \ | |
573 | (sizeof (system_list_registers) / sizeof (struct reg_name)) | |
252b5132 | 574 | |
19d63e5d | 575 | static const struct reg_name cc_names[] = { |
252b5132 RH |
576 | { "c", 0x1 }, |
577 | { "e", 0x2 }, | |
578 | { "ge", 0xe }, | |
579 | { "gt", 0xf }, | |
580 | { "h", 0xb }, | |
581 | { "l", 0x1 }, | |
582 | { "le", 0x7 }, | |
583 | { "lt", 0x6 }, | |
584 | { "n", 0x4 }, | |
585 | { "nc", 0x9 }, | |
586 | { "ne", 0xa }, | |
587 | { "nh", 0x3 }, | |
588 | { "nl", 0x9 }, | |
589 | { "ns", 0xc }, | |
590 | { "nv", 0x8 }, | |
591 | { "nz", 0xa }, | |
592 | { "p", 0xc }, | |
593 | { "s", 0x4 }, | |
594 | { "sa", 0xd }, | |
595 | { "t", 0x5 }, | |
596 | { "v", 0x0 }, | |
597 | { "z", 0x2 }, | |
598 | }; | |
252b5132 | 599 | |
28e4f854 KH |
600 | #define CC_NAME_CNT \ |
601 | (sizeof (cc_names) / sizeof (struct reg_name)) | |
602 | ||
603 | /* Do a binary search of the given register table to see if NAME is a | |
604 | valid regiter name. Return the register number from the array on | |
605 | success, or -1 on failure. */ | |
252b5132 | 606 | |
9e0665bc AM |
607 | static int reg_name_search |
608 | PARAMS ((const struct reg_name *, int, const char *, boolean)); | |
609 | ||
252b5132 RH |
610 | static int |
611 | reg_name_search (regs, regcount, name, accept_numbers) | |
28e4f854 KH |
612 | const struct reg_name *regs; |
613 | int regcount; | |
614 | const char *name; | |
615 | boolean accept_numbers; | |
252b5132 RH |
616 | { |
617 | int middle, low, high; | |
618 | int cmp; | |
28e4f854 | 619 | symbolS *symbolP; |
252b5132 RH |
620 | |
621 | /* If the register name is a symbol, then evaluate it. */ | |
622 | if ((symbolP = symbol_find (name)) != NULL) | |
623 | { | |
624 | /* If the symbol is an alias for another name then use that. | |
625 | If the symbol is an alias for a number, then return the number. */ | |
a77f5182 | 626 | if (symbol_equated_p (symbolP)) |
252b5132 | 627 | { |
28e4f854 KH |
628 | name |
629 | = S_GET_NAME (symbol_get_value_expression (symbolP)->X_add_symbol); | |
252b5132 RH |
630 | } |
631 | else if (accept_numbers) | |
632 | { | |
633 | int reg = S_GET_VALUE (symbolP); | |
28e4f854 | 634 | |
252b5132 RH |
635 | if (reg >= 0 && reg <= 31) |
636 | return reg; | |
637 | } | |
638 | ||
639 | /* Otherwise drop through and try parsing name normally. */ | |
640 | } | |
28e4f854 | 641 | |
252b5132 RH |
642 | low = 0; |
643 | high = regcount - 1; | |
644 | ||
645 | do | |
646 | { | |
647 | middle = (low + high) / 2; | |
648 | cmp = strcasecmp (name, regs[middle].name); | |
649 | if (cmp < 0) | |
650 | high = middle - 1; | |
651 | else if (cmp > 0) | |
652 | low = middle + 1; | |
653 | else | |
654 | return regs[middle].value; | |
655 | } | |
656 | while (low <= high); | |
657 | return -1; | |
658 | } | |
659 | ||
252b5132 RH |
660 | /* Summary of register_name(). |
661 | * | |
662 | * in: Input_line_pointer points to 1st char of operand. | |
663 | * | |
b6ff326e | 664 | * out: An expressionS. |
252b5132 RH |
665 | * The operand may have been a register: in this case, X_op == O_register, |
666 | * X_add_number is set to the register number, and truth is returned. | |
667 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
28e4f854 KH |
668 | * its original state. */ |
669 | ||
9e0665bc AM |
670 | static boolean register_name PARAMS ((expressionS *)); |
671 | ||
252b5132 RH |
672 | static boolean |
673 | register_name (expressionP) | |
28e4f854 | 674 | expressionS *expressionP; |
252b5132 | 675 | { |
28e4f854 KH |
676 | int reg_number; |
677 | char *name; | |
678 | char *start; | |
679 | char c; | |
252b5132 | 680 | |
28e4f854 | 681 | /* Find the spelling of the operand. */ |
252b5132 RH |
682 | start = name = input_line_pointer; |
683 | ||
684 | c = get_symbol_end (); | |
685 | ||
686 | reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, | |
687 | name, FALSE); | |
688 | ||
28e4f854 KH |
689 | /* Put back the delimiting char. */ |
690 | *input_line_pointer = c; | |
691 | ||
692 | /* Look to see if it's in the register table. */ | |
693 | if (reg_number >= 0) | |
252b5132 RH |
694 | { |
695 | expressionP->X_op = O_register; | |
696 | expressionP->X_add_number = reg_number; | |
697 | ||
28e4f854 | 698 | /* Make the rest nice. */ |
252b5132 RH |
699 | expressionP->X_add_symbol = NULL; |
700 | expressionP->X_op_symbol = NULL; | |
28e4f854 | 701 | |
252b5132 RH |
702 | return true; |
703 | } | |
704 | else | |
705 | { | |
28e4f854 | 706 | /* Reset the line as if we had not done anything. */ |
252b5132 | 707 | input_line_pointer = start; |
28e4f854 | 708 | |
252b5132 RH |
709 | return false; |
710 | } | |
711 | } | |
712 | ||
713 | /* Summary of system_register_name(). | |
714 | * | |
28e4f854 KH |
715 | * in: INPUT_LINE_POINTER points to 1st char of operand. |
716 | * EXPRESSIONP points to an expression structure to be filled in. | |
717 | * ACCEPT_NUMBERS is true iff numerical register names may be used. | |
718 | * ACCEPT_LIST_NAMES is true iff the special names PS and SR may be | |
252b5132 RH |
719 | * accepted. |
720 | * | |
b6ff326e | 721 | * out: An expressionS structure in expressionP. |
252b5132 RH |
722 | * The operand may have been a register: in this case, X_op == O_register, |
723 | * X_add_number is set to the register number, and truth is returned. | |
724 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
28e4f854 KH |
725 | * its original state. */ |
726 | ||
9e0665bc AM |
727 | static boolean system_register_name PARAMS ((expressionS *, boolean, boolean)); |
728 | ||
252b5132 RH |
729 | static boolean |
730 | system_register_name (expressionP, accept_numbers, accept_list_names) | |
28e4f854 KH |
731 | expressionS *expressionP; |
732 | boolean accept_numbers; | |
733 | boolean accept_list_names; | |
252b5132 | 734 | { |
28e4f854 KH |
735 | int reg_number; |
736 | char *name; | |
737 | char *start; | |
738 | char c; | |
252b5132 | 739 | |
28e4f854 | 740 | /* Find the spelling of the operand. */ |
252b5132 RH |
741 | start = name = input_line_pointer; |
742 | ||
743 | c = get_symbol_end (); | |
744 | reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name, | |
745 | accept_numbers); | |
746 | ||
28e4f854 KH |
747 | /* Put back the delimiting char. */ |
748 | *input_line_pointer = c; | |
749 | ||
252b5132 RH |
750 | if (reg_number < 0 |
751 | && accept_numbers) | |
752 | { | |
28e4f854 KH |
753 | /* Reset input_line pointer. */ |
754 | input_line_pointer = start; | |
252b5132 | 755 | |
3882b010 | 756 | if (ISDIGIT (*input_line_pointer)) |
252b5132 | 757 | { |
28e4f854 | 758 | reg_number = strtol (input_line_pointer, &input_line_pointer, 10); |
252b5132 | 759 | |
28e4f854 KH |
760 | /* Make sure that the register number is allowable. */ |
761 | if (reg_number < 0 | |
5480ccf3 | 762 | || (reg_number > 5 && reg_number < 16) |
28e4f854 | 763 | || reg_number > 20) |
252b5132 RH |
764 | { |
765 | reg_number = -1; | |
766 | } | |
767 | } | |
768 | else if (accept_list_names) | |
769 | { | |
770 | c = get_symbol_end (); | |
771 | reg_number = reg_name_search (system_list_registers, | |
772 | SYSREGLIST_NAME_CNT, name, FALSE); | |
773 | ||
28e4f854 KH |
774 | /* Put back the delimiting char. */ |
775 | *input_line_pointer = c; | |
252b5132 RH |
776 | } |
777 | } | |
28e4f854 KH |
778 | |
779 | /* Look to see if it's in the register table. */ | |
780 | if (reg_number >= 0) | |
252b5132 RH |
781 | { |
782 | expressionP->X_op = O_register; | |
783 | expressionP->X_add_number = reg_number; | |
784 | ||
28e4f854 | 785 | /* Make the rest nice. */ |
252b5132 RH |
786 | expressionP->X_add_symbol = NULL; |
787 | expressionP->X_op_symbol = NULL; | |
788 | ||
789 | return true; | |
790 | } | |
791 | else | |
792 | { | |
28e4f854 | 793 | /* Reset the line as if we had not done anything. */ |
252b5132 | 794 | input_line_pointer = start; |
28e4f854 | 795 | |
252b5132 RH |
796 | return false; |
797 | } | |
798 | } | |
799 | ||
800 | /* Summary of cc_name(). | |
801 | * | |
28e4f854 | 802 | * in: INPUT_LINE_POINTER points to 1st char of operand. |
252b5132 | 803 | * |
b6ff326e | 804 | * out: An expressionS. |
252b5132 RH |
805 | * The operand may have been a register: in this case, X_op == O_register, |
806 | * X_add_number is set to the register number, and truth is returned. | |
807 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
28e4f854 KH |
808 | * its original state. */ |
809 | ||
9e0665bc AM |
810 | static boolean cc_name PARAMS ((expressionS *)); |
811 | ||
252b5132 RH |
812 | static boolean |
813 | cc_name (expressionP) | |
28e4f854 | 814 | expressionS *expressionP; |
252b5132 | 815 | { |
28e4f854 KH |
816 | int reg_number; |
817 | char *name; | |
818 | char *start; | |
819 | char c; | |
252b5132 | 820 | |
28e4f854 | 821 | /* Find the spelling of the operand. */ |
252b5132 RH |
822 | start = name = input_line_pointer; |
823 | ||
824 | c = get_symbol_end (); | |
825 | reg_number = reg_name_search (cc_names, CC_NAME_CNT, name, FALSE); | |
826 | ||
28e4f854 KH |
827 | /* Put back the delimiting char. */ |
828 | *input_line_pointer = c; | |
829 | ||
830 | /* Look to see if it's in the register table. */ | |
831 | if (reg_number >= 0) | |
252b5132 RH |
832 | { |
833 | expressionP->X_op = O_constant; | |
834 | expressionP->X_add_number = reg_number; | |
835 | ||
28e4f854 | 836 | /* Make the rest nice. */ |
252b5132 RH |
837 | expressionP->X_add_symbol = NULL; |
838 | expressionP->X_op_symbol = NULL; | |
839 | ||
840 | return true; | |
841 | } | |
842 | else | |
843 | { | |
28e4f854 | 844 | /* Reset the line as if we had not done anything. */ |
252b5132 | 845 | input_line_pointer = start; |
28e4f854 | 846 | |
252b5132 RH |
847 | return false; |
848 | } | |
849 | } | |
850 | ||
9e0665bc AM |
851 | static void skip_white_space PARAMS ((void)); |
852 | ||
252b5132 | 853 | static void |
9e0665bc | 854 | skip_white_space () |
252b5132 | 855 | { |
28e4f854 KH |
856 | while (*input_line_pointer == ' ' |
857 | || *input_line_pointer == '\t') | |
858 | ++input_line_pointer; | |
252b5132 RH |
859 | } |
860 | ||
861 | /* Summary of parse_register_list (). | |
862 | * | |
28e4f854 KH |
863 | * in: INPUT_LINE_POINTER points to 1st char of a list of registers. |
864 | * INSN is the partially constructed instruction. | |
865 | * OPERAND is the operand being inserted. | |
252b5132 RH |
866 | * |
867 | * out: NULL if the parse completed successfully, otherwise a | |
868 | * pointer to an error message is returned. If the parse | |
869 | * completes the correct bit fields in the instruction | |
870 | * will be filled in. | |
871 | * | |
872 | * Parses register lists with the syntax: | |
873 | * | |
874 | * { rX } | |
875 | * { rX, rY } | |
876 | * { rX - rY } | |
877 | * { rX - rY, rZ } | |
878 | * etc | |
879 | * | |
880 | * and also parses constant epxressions whoes bits indicate the | |
881 | * registers in the lists. The LSB in the expression refers to | |
882 | * the lowest numbered permissable register in the register list, | |
883 | * and so on upwards. System registers are considered to be very | |
28e4f854 KH |
884 | * high numbers. */ |
885 | ||
9e0665bc AM |
886 | static char *parse_register_list |
887 | PARAMS ((unsigned long *, const struct v850_operand *)); | |
888 | ||
252b5132 | 889 | static char * |
28e4f854 KH |
890 | parse_register_list (insn, operand) |
891 | unsigned long *insn; | |
892 | const struct v850_operand *operand; | |
252b5132 | 893 | { |
28e4f854 KH |
894 | static int type1_regs[32] = { |
895 | 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
896 | 0, 0, 0, 0, 0, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 | |
897 | }; | |
898 | static int type2_regs[32] = { | |
899 | 19, 18, 17, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
900 | 0, 0, 0, 0, 30, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 | |
901 | }; | |
902 | static int type3_regs[32] = { | |
903 | 3, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
904 | 0, 0, 0, 0, 14, 15, 13, 12, 7, 6, 5, 4, 11, 10, 9, 8 | |
905 | }; | |
906 | int *regs; | |
252b5132 RH |
907 | expressionS exp; |
908 | ||
28e4f854 | 909 | /* Select a register array to parse. */ |
252b5132 RH |
910 | switch (operand->shift) |
911 | { | |
912 | case 0xffe00001: regs = type1_regs; break; | |
913 | case 0xfff8000f: regs = type2_regs; break; | |
914 | case 0xfff8001f: regs = type3_regs; break; | |
915 | default: | |
916 | as_bad (_("unknown operand shift: %x\n"), operand->shift); | |
917 | return _("internal failure in parse_register_list"); | |
918 | } | |
919 | ||
920 | skip_white_space (); | |
921 | ||
922 | /* If the expression starts with a curly brace it is a register list. | |
923 | Otherwise it is a constant expression, whoes bits indicate which | |
924 | registers are to be included in the list. */ | |
28e4f854 KH |
925 | |
926 | if (*input_line_pointer != '{') | |
252b5132 | 927 | { |
252b5132 RH |
928 | int reg; |
929 | int i; | |
28e4f854 KH |
930 | |
931 | expression (&exp); | |
932 | ||
252b5132 RH |
933 | if (exp.X_op != O_constant) |
934 | return _("constant expression or register list expected"); | |
935 | ||
936 | if (regs == type1_regs) | |
937 | { | |
938 | if (exp.X_add_number & 0xFFFFF000) | |
939 | return _("high bits set in register list expression"); | |
28e4f854 KH |
940 | |
941 | for (reg = 20; reg < 32; reg++) | |
252b5132 RH |
942 | if (exp.X_add_number & (1 << (reg - 20))) |
943 | { | |
944 | for (i = 0; i < 32; i++) | |
945 | if (regs[i] == reg) | |
28e4f854 | 946 | *insn |= (1 << i); |
252b5132 RH |
947 | } |
948 | } | |
949 | else if (regs == type2_regs) | |
950 | { | |
951 | if (exp.X_add_number & 0xFFFE0000) | |
952 | return _("high bits set in register list expression"); | |
28e4f854 KH |
953 | |
954 | for (reg = 1; reg < 16; reg++) | |
252b5132 RH |
955 | if (exp.X_add_number & (1 << (reg - 1))) |
956 | { | |
957 | for (i = 0; i < 32; i++) | |
958 | if (regs[i] == reg) | |
28e4f854 | 959 | *insn |= (1 << i); |
252b5132 RH |
960 | } |
961 | ||
962 | if (exp.X_add_number & (1 << 15)) | |
28e4f854 KH |
963 | *insn |= (1 << 3); |
964 | ||
252b5132 | 965 | if (exp.X_add_number & (1 << 16)) |
28e4f854 | 966 | *insn |= (1 << 19); |
252b5132 | 967 | } |
28e4f854 | 968 | else /* regs == type3_regs */ |
252b5132 RH |
969 | { |
970 | if (exp.X_add_number & 0xFFFE0000) | |
971 | return _("high bits set in register list expression"); | |
28e4f854 KH |
972 | |
973 | for (reg = 16; reg < 32; reg++) | |
252b5132 RH |
974 | if (exp.X_add_number & (1 << (reg - 16))) |
975 | { | |
976 | for (i = 0; i < 32; i++) | |
977 | if (regs[i] == reg) | |
28e4f854 | 978 | *insn |= (1 << i); |
252b5132 RH |
979 | } |
980 | ||
981 | if (exp.X_add_number & (1 << 16)) | |
28e4f854 | 982 | *insn |= (1 << 19); |
252b5132 RH |
983 | } |
984 | ||
985 | return NULL; | |
986 | } | |
987 | ||
28e4f854 | 988 | input_line_pointer++; |
252b5132 RH |
989 | |
990 | /* Parse the register list until a terminator (closing curly brace or | |
991 | new-line) is found. */ | |
992 | for (;;) | |
993 | { | |
28e4f854 | 994 | if (register_name (&exp)) |
252b5132 | 995 | { |
28e4f854 KH |
996 | int i; |
997 | ||
252b5132 RH |
998 | /* Locate the given register in the list, and if it is there, |
999 | insert the corresponding bit into the instruction. */ | |
1000 | for (i = 0; i < 32; i++) | |
1001 | { | |
28e4f854 | 1002 | if (regs[i] == exp.X_add_number) |
252b5132 | 1003 | { |
28e4f854 | 1004 | *insn |= (1 << i); |
252b5132 RH |
1005 | break; |
1006 | } | |
1007 | } | |
1008 | ||
1009 | if (i == 32) | |
1010 | { | |
1011 | return _("illegal register included in list"); | |
1012 | } | |
1013 | } | |
28e4f854 | 1014 | else if (system_register_name (&exp, true, true)) |
252b5132 RH |
1015 | { |
1016 | if (regs == type1_regs) | |
1017 | { | |
1018 | return _("system registers cannot be included in list"); | |
1019 | } | |
1020 | else if (exp.X_add_number == 5) | |
1021 | { | |
1022 | if (regs == type2_regs) | |
1023 | return _("PSW cannot be included in list"); | |
1024 | else | |
28e4f854 | 1025 | *insn |= 0x8; |
252b5132 RH |
1026 | } |
1027 | else if (exp.X_add_number < 4) | |
28e4f854 | 1028 | *insn |= 0x80000; |
252b5132 RH |
1029 | else |
1030 | return _("High value system registers cannot be included in list"); | |
1031 | } | |
28e4f854 | 1032 | else if (*input_line_pointer == '}') |
252b5132 | 1033 | { |
28e4f854 | 1034 | input_line_pointer++; |
252b5132 RH |
1035 | break; |
1036 | } | |
28e4f854 | 1037 | else if (*input_line_pointer == ',') |
252b5132 | 1038 | { |
28e4f854 | 1039 | input_line_pointer++; |
252b5132 RH |
1040 | continue; |
1041 | } | |
28e4f854 | 1042 | else if (*input_line_pointer == '-') |
252b5132 | 1043 | { |
28e4f854 KH |
1044 | /* We have encountered a range of registers: rX - rY. */ |
1045 | int j; | |
252b5132 RH |
1046 | expressionS exp2; |
1047 | ||
1048 | /* Skip the dash. */ | |
28e4f854 | 1049 | ++input_line_pointer; |
252b5132 RH |
1050 | |
1051 | /* Get the second register in the range. */ | |
28e4f854 | 1052 | if (! register_name (&exp2)) |
252b5132 RH |
1053 | { |
1054 | return _("second register should follow dash in register list"); | |
1055 | exp2.X_add_number = exp.X_add_number; | |
1056 | } | |
1057 | ||
1058 | /* Add the rest of the registers in the range. */ | |
1059 | for (j = exp.X_add_number + 1; j <= exp2.X_add_number; j++) | |
1060 | { | |
28e4f854 KH |
1061 | int i; |
1062 | ||
252b5132 RH |
1063 | /* Locate the given register in the list, and if it is there, |
1064 | insert the corresponding bit into the instruction. */ | |
1065 | for (i = 0; i < 32; i++) | |
1066 | { | |
28e4f854 | 1067 | if (regs[i] == j) |
252b5132 | 1068 | { |
28e4f854 | 1069 | *insn |= (1 << i); |
252b5132 RH |
1070 | break; |
1071 | } | |
1072 | } | |
1073 | ||
1074 | if (i == 32) | |
1075 | return _("illegal register included in list"); | |
1076 | } | |
1077 | } | |
1078 | else | |
1079 | { | |
1080 | break; | |
1081 | } | |
1082 | ||
1083 | skip_white_space (); | |
1084 | } | |
1085 | ||
1086 | return NULL; | |
1087 | } | |
1088 | ||
28e4f854 | 1089 | CONST char *md_shortopts = "m:"; |
252b5132 | 1090 | |
19d63e5d | 1091 | struct option md_longopts[] = { |
252b5132 RH |
1092 | {NULL, no_argument, NULL, 0} |
1093 | }; | |
252b5132 | 1094 | |
28e4f854 | 1095 | size_t md_longopts_size = sizeof (md_longopts); |
252b5132 RH |
1096 | |
1097 | void | |
1098 | md_show_usage (stream) | |
28e4f854 | 1099 | FILE *stream; |
252b5132 RH |
1100 | { |
1101 | fprintf (stream, _(" V850 options:\n")); | |
1102 | fprintf (stream, _(" -mwarn-signed-overflow Warn if signed immediate values overflow\n")); | |
1103 | fprintf (stream, _(" -mwarn-unsigned-overflow Warn if unsigned immediate values overflow\n")); | |
1104 | fprintf (stream, _(" -mv850 The code is targeted at the v850\n")); | |
1105 | fprintf (stream, _(" -mv850e The code is targeted at the v850e\n")); | |
1106 | fprintf (stream, _(" -mv850ea The code is targeted at the v850ea\n")); | |
1107 | fprintf (stream, _(" -mv850any The code is generic, despite any processor specific instructions\n")); | |
1108 | } | |
1109 | ||
1110 | int | |
1111 | md_parse_option (c, arg) | |
28e4f854 KH |
1112 | int c; |
1113 | char *arg; | |
252b5132 RH |
1114 | { |
1115 | if (c != 'm') | |
1116 | { | |
5480ccf3 | 1117 | if (c != 'a') |
28e4f854 | 1118 | /* xgettext:c-format */ |
5480ccf3 | 1119 | fprintf (stderr, _("unknown command line option: -%c%s\n"), c, arg); |
252b5132 RH |
1120 | return 0; |
1121 | } | |
1122 | ||
1123 | if (strcmp (arg, "warn-signed-overflow") == 0) | |
1124 | { | |
1125 | warn_signed_overflows = TRUE; | |
1126 | } | |
1127 | else if (strcmp (arg, "warn-unsigned-overflow") == 0) | |
1128 | { | |
1129 | warn_unsigned_overflows = TRUE; | |
1130 | } | |
1131 | else if (strcmp (arg, "v850") == 0) | |
1132 | { | |
1133 | machine = 0; | |
1134 | processor_mask = PROCESSOR_V850; | |
1135 | } | |
1136 | else if (strcmp (arg, "v850e") == 0) | |
1137 | { | |
1138 | machine = bfd_mach_v850e; | |
1139 | processor_mask = PROCESSOR_V850E; | |
1140 | } | |
1141 | else if (strcmp (arg, "v850ea") == 0) | |
1142 | { | |
1143 | machine = bfd_mach_v850ea; | |
1144 | processor_mask = PROCESSOR_V850EA; | |
1145 | } | |
1146 | else if (strcmp (arg, "v850any") == 0) | |
1147 | { | |
28e4f854 KH |
1148 | /* Tell the world that this is for any v850 chip. */ |
1149 | machine = 0; | |
1150 | ||
1151 | /* But support instructions for the extended versions. */ | |
1152 | processor_mask = PROCESSOR_V850EA; | |
252b5132 RH |
1153 | } |
1154 | else | |
1155 | { | |
28e4f854 | 1156 | /* xgettext:c-format */ |
252b5132 RH |
1157 | fprintf (stderr, _("unknown command line option: -%c%s\n"), c, arg); |
1158 | return 0; | |
1159 | } | |
28e4f854 | 1160 | |
252b5132 RH |
1161 | return 1; |
1162 | } | |
1163 | ||
1164 | symbolS * | |
1165 | md_undefined_symbol (name) | |
28e4f854 | 1166 | char *name ATTRIBUTE_UNUSED; |
252b5132 RH |
1167 | { |
1168 | return 0; | |
1169 | } | |
1170 | ||
1171 | char * | |
1172 | md_atof (type, litp, sizep) | |
28e4f854 KH |
1173 | int type; |
1174 | char *litp; | |
1175 | int *sizep; | |
252b5132 | 1176 | { |
28e4f854 | 1177 | int prec; |
252b5132 | 1178 | LITTLENUM_TYPE words[4]; |
28e4f854 KH |
1179 | char *t; |
1180 | int i; | |
252b5132 RH |
1181 | |
1182 | switch (type) | |
1183 | { | |
1184 | case 'f': | |
1185 | prec = 2; | |
1186 | break; | |
1187 | ||
1188 | case 'd': | |
1189 | prec = 4; | |
1190 | break; | |
1191 | ||
1192 | default: | |
1193 | *sizep = 0; | |
1194 | return _("bad call to md_atof"); | |
1195 | } | |
28e4f854 | 1196 | |
252b5132 RH |
1197 | t = atof_ieee (input_line_pointer, type, words); |
1198 | if (t) | |
1199 | input_line_pointer = t; | |
1200 | ||
1201 | *sizep = prec * 2; | |
1202 | ||
1203 | for (i = prec - 1; i >= 0; i--) | |
1204 | { | |
1205 | md_number_to_chars (litp, (valueT) words[i], 2); | |
1206 | litp += 2; | |
1207 | } | |
1208 | ||
1209 | return NULL; | |
1210 | } | |
1211 | ||
252b5132 | 1212 | /* Very gross. */ |
28e4f854 | 1213 | |
252b5132 RH |
1214 | void |
1215 | md_convert_frag (abfd, sec, fragP) | |
19d63e5d KH |
1216 | bfd *abfd ATTRIBUTE_UNUSED; |
1217 | asection *sec; | |
1218 | fragS *fragP; | |
252b5132 RH |
1219 | { |
1220 | subseg_change (sec, 0); | |
28e4f854 | 1221 | |
252b5132 RH |
1222 | /* In range conditional or unconditional branch. */ |
1223 | if (fragP->fr_subtype == 0 || fragP->fr_subtype == 2) | |
1224 | { | |
1225 | fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol, | |
1226 | fragP->fr_offset, 1, BFD_RELOC_UNUSED + (int)fragP->fr_opcode); | |
252b5132 RH |
1227 | fragP->fr_fix += 2; |
1228 | } | |
1229 | /* Out of range conditional branch. Emit a branch around a jump. */ | |
1230 | else if (fragP->fr_subtype == 1) | |
1231 | { | |
28e4f854 | 1232 | unsigned char *buffer = |
252b5132 RH |
1233 | (unsigned char *) (fragP->fr_fix + fragP->fr_literal); |
1234 | ||
1235 | /* Reverse the condition of the first branch. */ | |
1236 | buffer[0] ^= 0x08; | |
1237 | /* Mask off all the displacement bits. */ | |
1238 | buffer[0] &= 0x8f; | |
1239 | buffer[1] &= 0x07; | |
1240 | /* Now set the displacement bits so that we branch | |
1241 | around the unconditional branch. */ | |
1242 | buffer[0] |= 0x30; | |
1243 | ||
1244 | /* Now create the unconditional branch + fixup to the final | |
1245 | target. */ | |
1246 | md_number_to_chars (buffer + 2, 0x00000780, 4); | |
1247 | fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol, | |
1248 | fragP->fr_offset, 1, BFD_RELOC_UNUSED + | |
1249 | (int) fragP->fr_opcode + 1); | |
252b5132 RH |
1250 | fragP->fr_fix += 6; |
1251 | } | |
1252 | /* Out of range unconditional branch. Emit a jump. */ | |
1253 | else if (fragP->fr_subtype == 3) | |
1254 | { | |
1255 | md_number_to_chars (fragP->fr_fix + fragP->fr_literal, 0x00000780, 4); | |
1256 | fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol, | |
1257 | fragP->fr_offset, 1, BFD_RELOC_UNUSED + | |
1258 | (int) fragP->fr_opcode + 1); | |
252b5132 RH |
1259 | fragP->fr_fix += 4; |
1260 | } | |
1261 | else | |
1262 | abort (); | |
1263 | } | |
1264 | ||
1265 | valueT | |
1266 | md_section_align (seg, addr) | |
28e4f854 KH |
1267 | asection *seg; |
1268 | valueT addr; | |
252b5132 RH |
1269 | { |
1270 | int align = bfd_get_section_alignment (stdoutput, seg); | |
1271 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
1272 | } | |
1273 | ||
1274 | void | |
1275 | md_begin () | |
1276 | { | |
28e4f854 KH |
1277 | char *prev_name = ""; |
1278 | register const struct v850_opcode *op; | |
252b5132 RH |
1279 | |
1280 | if (strncmp (TARGET_CPU, "v850ea", 6) == 0) | |
1281 | { | |
1282 | if (machine == -1) | |
1283 | machine = bfd_mach_v850ea; | |
28e4f854 | 1284 | |
252b5132 RH |
1285 | if (processor_mask == -1) |
1286 | processor_mask = PROCESSOR_V850EA; | |
1287 | } | |
1288 | else if (strncmp (TARGET_CPU, "v850e", 5) == 0) | |
1289 | { | |
1290 | if (machine == -1) | |
28e4f854 KH |
1291 | machine = bfd_mach_v850e; |
1292 | ||
252b5132 RH |
1293 | if (processor_mask == -1) |
1294 | processor_mask = PROCESSOR_V850E; | |
1295 | } | |
28e4f854 | 1296 | else if (strncmp (TARGET_CPU, "v850", 4) == 0) |
252b5132 RH |
1297 | { |
1298 | if (machine == -1) | |
28e4f854 KH |
1299 | machine = 0; |
1300 | ||
252b5132 RH |
1301 | if (processor_mask == -1) |
1302 | processor_mask = PROCESSOR_V850; | |
1303 | } | |
1304 | else | |
28e4f854 KH |
1305 | /* xgettext:c-format */ |
1306 | as_bad (_("Unable to determine default target processor from string: %s"), | |
252b5132 RH |
1307 | TARGET_CPU); |
1308 | ||
19d63e5d | 1309 | v850_hash = hash_new (); |
252b5132 RH |
1310 | |
1311 | /* Insert unique names into hash table. The V850 instruction set | |
1312 | has many identical opcode names that have different opcodes based | |
1313 | on the operands. This hash table then provides a quick index to | |
1314 | the first opcode with a particular name in the opcode table. */ | |
1315 | ||
1316 | op = v850_opcodes; | |
1317 | while (op->name) | |
1318 | { | |
28e4f854 | 1319 | if (strcmp (prev_name, op->name)) |
252b5132 RH |
1320 | { |
1321 | prev_name = (char *) op->name; | |
1322 | hash_insert (v850_hash, op->name, (char *) op); | |
1323 | } | |
1324 | op++; | |
1325 | } | |
1326 | ||
9e0665bc | 1327 | v850_seg_table[BSS_SECTION].s = bss_section; |
252b5132 | 1328 | bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine); |
252b5132 RH |
1329 | } |
1330 | ||
9e0665bc AM |
1331 | static bfd_reloc_code_real_type handle_ctoff |
1332 | PARAMS ((const struct v850_operand *)); | |
1333 | ||
252b5132 | 1334 | static bfd_reloc_code_real_type |
9e0665bc AM |
1335 | handle_ctoff (operand) |
1336 | const struct v850_operand *operand; | |
252b5132 RH |
1337 | { |
1338 | if (operand == NULL) | |
1339 | return BFD_RELOC_V850_CALLT_16_16_OFFSET; | |
1340 | ||
28e4f854 | 1341 | if (operand->bits != 6 |
252b5132 RH |
1342 | || operand->shift != 0) |
1343 | { | |
1344 | as_bad (_("ctoff() relocation used on an instruction which does not support it")); | |
1345 | return BFD_RELOC_64; /* Used to indicate an error condition. */ | |
1346 | } | |
28e4f854 | 1347 | |
252b5132 RH |
1348 | return BFD_RELOC_V850_CALLT_6_7_OFFSET; |
1349 | } | |
1350 | ||
9e0665bc AM |
1351 | static bfd_reloc_code_real_type handle_sdaoff |
1352 | PARAMS ((const struct v850_operand *)); | |
1353 | ||
252b5132 | 1354 | static bfd_reloc_code_real_type |
9e0665bc AM |
1355 | handle_sdaoff (operand) |
1356 | const struct v850_operand *operand; | |
252b5132 | 1357 | { |
28e4f854 KH |
1358 | if (operand == NULL) |
1359 | return BFD_RELOC_V850_SDA_16_16_OFFSET; | |
1360 | ||
1361 | if (operand->bits == 15 && operand->shift == 17) | |
1362 | return BFD_RELOC_V850_SDA_15_16_OFFSET; | |
1363 | ||
1364 | if (operand->bits == -1) | |
1365 | return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET; | |
1366 | ||
1367 | if (operand->bits != 16 | |
252b5132 RH |
1368 | || operand->shift != 16) |
1369 | { | |
1370 | as_bad (_("sdaoff() relocation used on an instruction which does not support it")); | |
1371 | return BFD_RELOC_64; /* Used to indicate an error condition. */ | |
1372 | } | |
28e4f854 | 1373 | |
252b5132 RH |
1374 | return BFD_RELOC_V850_SDA_16_16_OFFSET; |
1375 | } | |
1376 | ||
9e0665bc AM |
1377 | static bfd_reloc_code_real_type handle_zdaoff |
1378 | PARAMS ((const struct v850_operand *)); | |
1379 | ||
252b5132 | 1380 | static bfd_reloc_code_real_type |
9e0665bc AM |
1381 | handle_zdaoff (operand) |
1382 | const struct v850_operand *operand; | |
252b5132 | 1383 | { |
28e4f854 KH |
1384 | if (operand == NULL) |
1385 | return BFD_RELOC_V850_ZDA_16_16_OFFSET; | |
1386 | ||
1387 | if (operand->bits == 15 && operand->shift == 17) | |
1388 | return BFD_RELOC_V850_ZDA_15_16_OFFSET; | |
252b5132 | 1389 | |
28e4f854 KH |
1390 | if (operand->bits == -1) |
1391 | return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET; | |
1392 | ||
1393 | if (operand->bits != 16 | |
252b5132 RH |
1394 | || operand->shift != 16) |
1395 | { | |
1396 | as_bad (_("zdaoff() relocation used on an instruction which does not support it")); | |
28e4f854 KH |
1397 | /* Used to indicate an error condition. */ |
1398 | return BFD_RELOC_64; | |
252b5132 | 1399 | } |
28e4f854 | 1400 | |
252b5132 RH |
1401 | return BFD_RELOC_V850_ZDA_16_16_OFFSET; |
1402 | } | |
1403 | ||
9e0665bc AM |
1404 | static bfd_reloc_code_real_type handle_tdaoff |
1405 | PARAMS ((const struct v850_operand *)); | |
1406 | ||
252b5132 | 1407 | static bfd_reloc_code_real_type |
9e0665bc AM |
1408 | handle_tdaoff (operand) |
1409 | const struct v850_operand *operand; | |
252b5132 | 1410 | { |
28e4f854 KH |
1411 | if (operand == NULL) |
1412 | /* Data item, not an instruction. */ | |
1413 | return BFD_RELOC_V850_TDA_7_7_OFFSET; | |
1414 | ||
1415 | if (operand->bits == 6 && operand->shift == 1) | |
1416 | /* sld.w/sst.w, operand: D8_6 */ | |
1417 | return BFD_RELOC_V850_TDA_6_8_OFFSET; | |
1418 | ||
1419 | if (operand->bits == 4 && operand->insert != NULL) | |
1420 | /* sld.hu, operand: D5-4 */ | |
1421 | return BFD_RELOC_V850_TDA_4_5_OFFSET; | |
1422 | ||
1423 | if (operand->bits == 4 && operand->insert == NULL) | |
1424 | /* sld.bu, operand: D4 */ | |
1425 | return BFD_RELOC_V850_TDA_4_4_OFFSET; | |
1426 | ||
1427 | if (operand->bits == 16 && operand->shift == 16) | |
1428 | /* set1 & chums, operands: D16 */ | |
1429 | return BFD_RELOC_V850_TDA_16_16_OFFSET; | |
1430 | ||
252b5132 RH |
1431 | if (operand->bits != 7) |
1432 | { | |
1433 | as_bad (_("tdaoff() relocation used on an instruction which does not support it")); | |
28e4f854 KH |
1434 | /* Used to indicate an error condition. */ |
1435 | return BFD_RELOC_64; | |
252b5132 | 1436 | } |
28e4f854 | 1437 | |
252b5132 | 1438 | return operand->insert != NULL |
28e4f854 KH |
1439 | ? BFD_RELOC_V850_TDA_7_8_OFFSET /* sld.h/sst.h, operand: D8_7 */ |
1440 | : BFD_RELOC_V850_TDA_7_7_OFFSET; /* sld.b/sst.b, opreand: D7 */ | |
252b5132 RH |
1441 | } |
1442 | ||
1443 | /* Warning: The code in this function relies upon the definitions | |
1444 | in the v850_operands[] array (defined in opcodes/v850-opc.c) | |
1445 | matching the hard coded values contained herein. */ | |
1446 | ||
9e0665bc AM |
1447 | static bfd_reloc_code_real_type v850_reloc_prefix |
1448 | PARAMS ((const struct v850_operand *)); | |
1449 | ||
252b5132 | 1450 | static bfd_reloc_code_real_type |
9e0665bc AM |
1451 | v850_reloc_prefix (operand) |
1452 | const struct v850_operand *operand; | |
252b5132 RH |
1453 | { |
1454 | boolean paren_skipped = false; | |
1455 | ||
252b5132 | 1456 | /* Skip leading opening parenthesis. */ |
28e4f854 | 1457 | if (*input_line_pointer == '(') |
252b5132 | 1458 | { |
28e4f854 | 1459 | ++input_line_pointer; |
252b5132 RH |
1460 | paren_skipped = true; |
1461 | } | |
1462 | ||
1463 | #define CHECK_(name, reloc) \ | |
1464 | if (strncmp (input_line_pointer, name##"(", strlen (name) + 1) == 0) \ | |
1465 | { \ | |
1466 | input_line_pointer += strlen (name); \ | |
1467 | return reloc; \ | |
1468 | } | |
28e4f854 KH |
1469 | |
1470 | CHECK_ ("hi0", BFD_RELOC_HI16 ); | |
1471 | CHECK_ ("hi", BFD_RELOC_HI16_S ); | |
1472 | CHECK_ ("lo", BFD_RELOC_LO16 ); | |
252b5132 RH |
1473 | CHECK_ ("sdaoff", handle_sdaoff (operand)); |
1474 | CHECK_ ("zdaoff", handle_zdaoff (operand)); | |
1475 | CHECK_ ("tdaoff", handle_tdaoff (operand)); | |
28e4f854 KH |
1476 | CHECK_ ("hilo", BFD_RELOC_32 ); |
1477 | CHECK_ ("ctoff", handle_ctoff (operand) ); | |
1478 | ||
252b5132 RH |
1479 | /* Restore skipped parenthesis. */ |
1480 | if (paren_skipped) | |
28e4f854 KH |
1481 | --input_line_pointer; |
1482 | ||
252b5132 RH |
1483 | return BFD_RELOC_UNUSED; |
1484 | } | |
1485 | ||
1486 | /* Insert an operand value into an instruction. */ | |
1487 | ||
9e0665bc AM |
1488 | static unsigned long v850_insert_operand |
1489 | PARAMS ((unsigned long, const struct v850_operand *, offsetT, char *, | |
1490 | unsigned int, char *)); | |
1491 | ||
252b5132 RH |
1492 | static unsigned long |
1493 | v850_insert_operand (insn, operand, val, file, line, str) | |
28e4f854 KH |
1494 | unsigned long insn; |
1495 | const struct v850_operand *operand; | |
1496 | offsetT val; | |
1497 | char *file; | |
1498 | unsigned int line; | |
1499 | char *str; | |
252b5132 RH |
1500 | { |
1501 | if (operand->insert) | |
1502 | { | |
28e4f854 KH |
1503 | const char *message = NULL; |
1504 | ||
1505 | insn = operand->insert (insn, val, &message); | |
252b5132 RH |
1506 | if (message != NULL) |
1507 | { | |
1508 | if ((operand->flags & V850_OPERAND_SIGNED) | |
1509 | && ! warn_signed_overflows | |
1510 | && strstr (message, "out of range") != NULL) | |
1511 | { | |
28e4f854 | 1512 | /* Skip warning... */ |
252b5132 RH |
1513 | } |
1514 | else if ((operand->flags & V850_OPERAND_SIGNED) == 0 | |
1515 | && ! warn_unsigned_overflows | |
1516 | && strstr (message, "out of range") != NULL) | |
1517 | { | |
28e4f854 | 1518 | /* Skip warning... */ |
252b5132 RH |
1519 | } |
1520 | else if (str) | |
1521 | { | |
1522 | if (file == (char *) NULL) | |
1523 | as_warn ("%s: %s", str, message); | |
1524 | else | |
1525 | as_warn_where (file, line, "%s: %s", str, message); | |
1526 | } | |
1527 | else | |
1528 | { | |
1529 | if (file == (char *) NULL) | |
1530 | as_warn (message); | |
1531 | else | |
1532 | as_warn_where (file, line, message); | |
1533 | } | |
1534 | } | |
1535 | } | |
1536 | else | |
1537 | { | |
1538 | if (operand->bits != 32) | |
1539 | { | |
28e4f854 | 1540 | long min, max; |
252b5132 RH |
1541 | |
1542 | if ((operand->flags & V850_OPERAND_SIGNED) != 0) | |
1543 | { | |
1544 | if (! warn_signed_overflows) | |
1545 | max = (1 << operand->bits) - 1; | |
1546 | else | |
1547 | max = (1 << (operand->bits - 1)) - 1; | |
28e4f854 KH |
1548 | |
1549 | min = -(1 << (operand->bits - 1)); | |
252b5132 RH |
1550 | } |
1551 | else | |
1552 | { | |
1553 | max = (1 << operand->bits) - 1; | |
28e4f854 | 1554 | |
252b5132 | 1555 | if (! warn_unsigned_overflows) |
28e4f854 | 1556 | min = -(1 << (operand->bits - 1)); |
252b5132 RH |
1557 | else |
1558 | min = 0; | |
1559 | } | |
28e4f854 | 1560 | |
252b5132 RH |
1561 | if (val < (offsetT) min || val > (offsetT) max) |
1562 | { | |
28e4f854 KH |
1563 | /* xgettext:c-format */ |
1564 | const char *err = | |
1565 | _("operand out of range (%s not between %ld and %ld)"); | |
1566 | char buf[100]; | |
1567 | ||
252b5132 RH |
1568 | /* Restore min and mix to expected values for decimal ranges. */ |
1569 | if ((operand->flags & V850_OPERAND_SIGNED) | |
1570 | && ! warn_signed_overflows) | |
1571 | max = (1 << (operand->bits - 1)) - 1; | |
1572 | ||
1573 | if (! (operand->flags & V850_OPERAND_SIGNED) | |
1574 | && ! warn_unsigned_overflows) | |
1575 | min = 0; | |
1576 | ||
1577 | if (str) | |
1578 | { | |
1579 | sprintf (buf, "%s: ", str); | |
28e4f854 | 1580 | |
252b5132 RH |
1581 | sprint_value (buf + strlen (buf), val); |
1582 | } | |
1583 | else | |
1584 | sprint_value (buf, val); | |
28e4f854 | 1585 | |
252b5132 RH |
1586 | if (file == (char *) NULL) |
1587 | as_warn (err, buf, min, max); | |
1588 | else | |
1589 | as_warn_where (file, line, err, buf, min, max); | |
1590 | } | |
1591 | } | |
1592 | ||
1593 | insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift); | |
1594 | } | |
28e4f854 | 1595 | |
252b5132 RH |
1596 | return insn; |
1597 | } | |
252b5132 | 1598 | \f |
28e4f854 | 1599 | static char copy_of_instruction[128]; |
252b5132 RH |
1600 | |
1601 | void | |
28e4f854 KH |
1602 | md_assemble (str) |
1603 | char *str; | |
252b5132 | 1604 | { |
28e4f854 KH |
1605 | char *s; |
1606 | char *start_of_operands; | |
1607 | struct v850_opcode *opcode; | |
1608 | struct v850_opcode *next_opcode; | |
1609 | const unsigned char *opindex_ptr; | |
1610 | int next_opindex; | |
1611 | int relaxable = 0; | |
1612 | unsigned long insn; | |
1613 | unsigned long insn_size; | |
1614 | char *f; | |
1615 | int i; | |
1616 | int match; | |
1617 | boolean extra_data_after_insn = false; | |
1618 | unsigned extra_data_len = 0; | |
1619 | unsigned long extra_data = 0; | |
1620 | char *saved_input_line_pointer; | |
1621 | ||
252b5132 | 1622 | strncpy (copy_of_instruction, str, sizeof (copy_of_instruction) - 1); |
28e4f854 | 1623 | |
252b5132 | 1624 | /* Get the opcode. */ |
3882b010 | 1625 | for (s = str; *s != '\0' && ! ISSPACE (*s); s++) |
252b5132 | 1626 | continue; |
28e4f854 | 1627 | |
252b5132 RH |
1628 | if (*s != '\0') |
1629 | *s++ = '\0'; | |
1630 | ||
28e4f854 | 1631 | /* Find the first opcode with the proper name. */ |
252b5132 RH |
1632 | opcode = (struct v850_opcode *) hash_find (v850_hash, str); |
1633 | if (opcode == NULL) | |
1634 | { | |
28e4f854 | 1635 | /* xgettext:c-format */ |
252b5132 RH |
1636 | as_bad (_("Unrecognized opcode: `%s'"), str); |
1637 | ignore_rest_of_line (); | |
1638 | return; | |
1639 | } | |
1640 | ||
1641 | str = s; | |
3882b010 | 1642 | while (ISSPACE (*str)) |
28e4f854 | 1643 | ++str; |
252b5132 RH |
1644 | |
1645 | start_of_operands = str; | |
1646 | ||
1647 | saved_input_line_pointer = input_line_pointer; | |
28e4f854 | 1648 | |
252b5132 RH |
1649 | for (;;) |
1650 | { | |
28e4f854 | 1651 | const char *errmsg = NULL; |
252b5132 RH |
1652 | |
1653 | match = 0; | |
28e4f854 | 1654 | |
252b5132 RH |
1655 | if ((opcode->processors & processor_mask) == 0) |
1656 | { | |
1657 | errmsg = _("Target processor does not support this instruction."); | |
1658 | goto error; | |
1659 | } | |
28e4f854 | 1660 | |
252b5132 RH |
1661 | relaxable = 0; |
1662 | fc = 0; | |
1663 | next_opindex = 0; | |
1664 | insn = opcode->opcode; | |
1665 | extra_data_after_insn = false; | |
1666 | ||
1667 | input_line_pointer = str = start_of_operands; | |
1668 | ||
28e4f854 | 1669 | for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++) |
252b5132 | 1670 | { |
28e4f854 KH |
1671 | const struct v850_operand *operand; |
1672 | char *hold; | |
1673 | expressionS ex; | |
1674 | bfd_reloc_code_real_type reloc; | |
252b5132 RH |
1675 | |
1676 | if (next_opindex == 0) | |
1677 | { | |
28e4f854 | 1678 | operand = &v850_operands[*opindex_ptr]; |
252b5132 RH |
1679 | } |
1680 | else | |
1681 | { | |
28e4f854 | 1682 | operand = &v850_operands[next_opindex]; |
252b5132 RH |
1683 | next_opindex = 0; |
1684 | } | |
1685 | ||
1686 | errmsg = NULL; | |
1687 | ||
1688 | while (*str == ' ' || *str == ',' || *str == '[' || *str == ']') | |
28e4f854 | 1689 | ++str; |
252b5132 RH |
1690 | |
1691 | if (operand->flags & V850_OPERAND_RELAX) | |
1692 | relaxable = 1; | |
1693 | ||
28e4f854 | 1694 | /* Gather the operand. */ |
252b5132 RH |
1695 | hold = input_line_pointer; |
1696 | input_line_pointer = str; | |
28e4f854 KH |
1697 | |
1698 | /* lo(), hi(), hi0(), etc... */ | |
252b5132 RH |
1699 | if ((reloc = v850_reloc_prefix (operand)) != BFD_RELOC_UNUSED) |
1700 | { | |
1701 | /* This is a fake reloc, used to indicate an error condition. */ | |
1702 | if (reloc == BFD_RELOC_64) | |
1703 | { | |
1704 | match = 1; | |
1705 | goto error; | |
1706 | } | |
28e4f854 KH |
1707 | |
1708 | expression (&ex); | |
252b5132 RH |
1709 | |
1710 | if (ex.X_op == O_constant) | |
1711 | { | |
1712 | switch (reloc) | |
1713 | { | |
1714 | case BFD_RELOC_V850_ZDA_16_16_OFFSET: | |
1715 | /* To cope with "not1 7, zdaoff(0xfffff006)[r0]" | |
1716 | and the like. */ | |
1717 | /* Fall through. */ | |
28e4f854 | 1718 | |
252b5132 RH |
1719 | case BFD_RELOC_LO16: |
1720 | { | |
1721 | /* Truncate, then sign extend the value. */ | |
1722 | ex.X_add_number = SEXT16 (ex.X_add_number); | |
1723 | break; | |
1724 | } | |
1725 | ||
1726 | case BFD_RELOC_HI16: | |
1727 | { | |
1728 | /* Truncate, then sign extend the value. */ | |
1729 | ex.X_add_number = SEXT16 (ex.X_add_number >> 16); | |
1730 | break; | |
1731 | } | |
1732 | ||
1733 | case BFD_RELOC_HI16_S: | |
1734 | { | |
1735 | /* Truncate, then sign extend the value. */ | |
28e4f854 | 1736 | int temp = (ex.X_add_number >> 16) & 0xffff; |
252b5132 RH |
1737 | |
1738 | temp += (ex.X_add_number >> 15) & 1; | |
1739 | ||
1740 | ex.X_add_number = SEXT16 (temp); | |
1741 | break; | |
1742 | } | |
28e4f854 | 1743 | |
252b5132 RH |
1744 | case BFD_RELOC_32: |
1745 | if ((operand->flags & V850E_IMMEDIATE32) == 0) | |
1746 | { | |
1747 | errmsg = _("immediate operand is too large"); | |
1748 | goto error; | |
1749 | } | |
28e4f854 | 1750 | |
252b5132 RH |
1751 | extra_data_after_insn = true; |
1752 | extra_data_len = 4; | |
1753 | extra_data = ex.X_add_number; | |
1754 | ex.X_add_number = 0; | |
1755 | break; | |
28e4f854 | 1756 | |
252b5132 RH |
1757 | default: |
1758 | fprintf (stderr, "reloc: %d\n", reloc); | |
1759 | as_bad (_("AAARG -> unhandled constant reloc")); | |
1760 | break; | |
1761 | } | |
1762 | ||
1763 | if (fc > MAX_INSN_FIXUPS) | |
1764 | as_fatal (_("too many fixups")); | |
28e4f854 KH |
1765 | |
1766 | fixups[fc].exp = ex; | |
1767 | fixups[fc].opindex = *opindex_ptr; | |
1768 | fixups[fc].reloc = reloc; | |
252b5132 RH |
1769 | fc++; |
1770 | } | |
1771 | else | |
1772 | { | |
1773 | if (reloc == BFD_RELOC_32) | |
1774 | { | |
1775 | if ((operand->flags & V850E_IMMEDIATE32) == 0) | |
1776 | { | |
1777 | errmsg = _("immediate operand is too large"); | |
1778 | goto error; | |
1779 | } | |
28e4f854 | 1780 | |
252b5132 RH |
1781 | extra_data_after_insn = true; |
1782 | extra_data_len = 4; | |
1783 | extra_data = ex.X_add_number; | |
1784 | } | |
28e4f854 | 1785 | |
252b5132 RH |
1786 | if (fc > MAX_INSN_FIXUPS) |
1787 | as_fatal (_("too many fixups")); | |
1788 | ||
28e4f854 KH |
1789 | fixups[fc].exp = ex; |
1790 | fixups[fc].opindex = *opindex_ptr; | |
1791 | fixups[fc].reloc = reloc; | |
252b5132 RH |
1792 | fc++; |
1793 | } | |
1794 | } | |
1795 | else | |
1796 | { | |
1797 | errmsg = NULL; | |
28e4f854 KH |
1798 | |
1799 | if ((operand->flags & V850_OPERAND_REG) != 0) | |
252b5132 | 1800 | { |
28e4f854 | 1801 | if (!register_name (&ex)) |
252b5132 RH |
1802 | { |
1803 | errmsg = _("invalid register name"); | |
1804 | } | |
1805 | else if ((operand->flags & V850_NOT_R0) | |
28e4f854 | 1806 | && ex.X_add_number == 0) |
252b5132 RH |
1807 | { |
1808 | errmsg = _("register r0 cannot be used here"); | |
28e4f854 | 1809 | |
252b5132 RH |
1810 | /* Force an error message to be generated by |
1811 | skipping over any following potential matches | |
1812 | for this opcode. */ | |
1813 | opcode += 3; | |
1814 | } | |
1815 | } | |
28e4f854 | 1816 | else if ((operand->flags & V850_OPERAND_SRG) != 0) |
252b5132 | 1817 | { |
28e4f854 | 1818 | if (!system_register_name (&ex, true, false)) |
252b5132 RH |
1819 | { |
1820 | errmsg = _("invalid system register name"); | |
1821 | } | |
1822 | } | |
1823 | else if ((operand->flags & V850_OPERAND_EP) != 0) | |
1824 | { | |
28e4f854 KH |
1825 | char *start = input_line_pointer; |
1826 | char c = get_symbol_end (); | |
1827 | ||
252b5132 RH |
1828 | if (strcmp (start, "ep") != 0 && strcmp (start, "r30") != 0) |
1829 | { | |
1830 | /* Put things back the way we found them. */ | |
1831 | *input_line_pointer = c; | |
1832 | input_line_pointer = start; | |
1833 | errmsg = _("expected EP register"); | |
1834 | goto error; | |
1835 | } | |
28e4f854 | 1836 | |
252b5132 RH |
1837 | *input_line_pointer = c; |
1838 | str = input_line_pointer; | |
1839 | input_line_pointer = hold; | |
28e4f854 KH |
1840 | |
1841 | while (*str == ' ' || *str == ',' | |
1842 | || *str == '[' || *str == ']') | |
1843 | ++str; | |
252b5132 RH |
1844 | continue; |
1845 | } | |
28e4f854 | 1846 | else if ((operand->flags & V850_OPERAND_CC) != 0) |
252b5132 | 1847 | { |
28e4f854 | 1848 | if (!cc_name (&ex)) |
252b5132 RH |
1849 | { |
1850 | errmsg = _("invalid condition code name"); | |
1851 | } | |
1852 | } | |
28e4f854 | 1853 | else if (operand->flags & V850E_PUSH_POP) |
252b5132 | 1854 | { |
28e4f854 KH |
1855 | errmsg = parse_register_list (&insn, operand); |
1856 | ||
252b5132 RH |
1857 | /* The parse_register_list() function has already done |
1858 | everything, so fake a dummy expression. */ | |
1859 | ex.X_op = O_constant; | |
1860 | ex.X_add_number = 0; | |
1861 | } | |
28e4f854 | 1862 | else if (operand->flags & V850E_IMMEDIATE16) |
252b5132 | 1863 | { |
28e4f854 | 1864 | expression (&ex); |
252b5132 RH |
1865 | |
1866 | if (ex.X_op != O_constant) | |
1867 | errmsg = _("constant expression expected"); | |
1868 | else if (ex.X_add_number & 0xffff0000) | |
1869 | { | |
1870 | if (ex.X_add_number & 0xffff) | |
1871 | errmsg = _("constant too big to fit into instruction"); | |
1872 | else if ((insn & 0x001fffc0) == 0x00130780) | |
1873 | ex.X_add_number >>= 16; | |
1874 | else | |
1875 | errmsg = _("constant too big to fit into instruction"); | |
1876 | } | |
28e4f854 | 1877 | |
252b5132 RH |
1878 | extra_data_after_insn = true; |
1879 | extra_data_len = 2; | |
1880 | extra_data = ex.X_add_number; | |
1881 | ex.X_add_number = 0; | |
1882 | } | |
28e4f854 | 1883 | else if (operand->flags & V850E_IMMEDIATE32) |
252b5132 | 1884 | { |
28e4f854 KH |
1885 | expression (&ex); |
1886 | ||
252b5132 RH |
1887 | if (ex.X_op != O_constant) |
1888 | errmsg = _("constant expression expected"); | |
28e4f854 | 1889 | |
252b5132 RH |
1890 | extra_data_after_insn = true; |
1891 | extra_data_len = 4; | |
1892 | extra_data = ex.X_add_number; | |
1893 | ex.X_add_number = 0; | |
1894 | } | |
28e4f854 | 1895 | else if (register_name (&ex) |
252b5132 RH |
1896 | && (operand->flags & V850_OPERAND_REG) == 0) |
1897 | { | |
1898 | char c; | |
28e4f854 KH |
1899 | int exists = 0; |
1900 | ||
252b5132 RH |
1901 | /* It is possible that an alias has been defined that |
1902 | matches a register name. For example the code may | |
1903 | include a ".set ZERO, 0" directive, which matches | |
1904 | the register name "zero". Attempt to reparse the | |
1905 | field as an expression, and only complain if we | |
1906 | cannot generate a constant. */ | |
1907 | ||
1908 | input_line_pointer = str; | |
1909 | ||
1910 | c = get_symbol_end (); | |
28e4f854 | 1911 | |
252b5132 RH |
1912 | if (symbol_find (str) != NULL) |
1913 | exists = 1; | |
28e4f854 KH |
1914 | |
1915 | *input_line_pointer = c; | |
252b5132 | 1916 | input_line_pointer = str; |
28e4f854 KH |
1917 | |
1918 | expression (&ex); | |
252b5132 RH |
1919 | |
1920 | if (ex.X_op != O_constant) | |
1921 | { | |
1922 | /* If this register is actually occuring too early on | |
1923 | the parsing of the instruction, (because another | |
1924 | field is missing) then report this. */ | |
1925 | if (opindex_ptr[1] != 0 | |
28e4f854 KH |
1926 | && (v850_operands[opindex_ptr[1]].flags |
1927 | & V850_OPERAND_REG)) | |
252b5132 RH |
1928 | errmsg = _("syntax error: value is missing before the register name"); |
1929 | else | |
1930 | errmsg = _("syntax error: register not expected"); | |
1931 | ||
28e4f854 KH |
1932 | /* If we created a symbol in the process of this |
1933 | test then delete it now, so that it will not | |
1934 | be output with the real symbols... */ | |
252b5132 RH |
1935 | if (exists == 0 |
1936 | && ex.X_op == O_symbol) | |
1937 | symbol_remove (ex.X_add_symbol, | |
28e4f854 | 1938 | &symbol_rootP, &symbol_lastP); |
252b5132 RH |
1939 | } |
1940 | } | |
28e4f854 | 1941 | else if (system_register_name (&ex, false, false) |
252b5132 RH |
1942 | && (operand->flags & V850_OPERAND_SRG) == 0) |
1943 | { | |
1944 | errmsg = _("syntax error: system register not expected"); | |
1945 | } | |
1946 | else if (cc_name (&ex) | |
1947 | && (operand->flags & V850_OPERAND_CC) == 0) | |
1948 | { | |
1949 | errmsg = _("syntax error: condition code not expected"); | |
1950 | } | |
1951 | else | |
1952 | { | |
28e4f854 | 1953 | expression (&ex); |
252b5132 RH |
1954 | /* Special case: |
1955 | If we are assembling a MOV instruction (or a CALLT.... :-) | |
1956 | and the immediate value does not fit into the bits | |
1957 | available then create a fake error so that the next MOV | |
1958 | instruction will be selected. This one has a 32 bit | |
1959 | immediate field. */ | |
1960 | ||
1961 | if (((insn & 0x07e0) == 0x0200) | |
1962 | && ex.X_op == O_constant | |
28e4f854 | 1963 | && (ex.X_add_number < (-(1 << (operand->bits - 1))) |
252b5132 RH |
1964 | || ex.X_add_number > ((1 << operand->bits) - 1))) |
1965 | errmsg = _("immediate operand is too large"); | |
1966 | } | |
1967 | ||
1968 | if (errmsg) | |
1969 | goto error; | |
252b5132 | 1970 | |
28e4f854 KH |
1971 | #if 0 |
1972 | fprintf (stderr, | |
1973 | " insn: %x, operand %d, op: %d, add_number: %d\n", | |
1974 | insn, opindex_ptr - opcode->operands, | |
1975 | ex.X_op, ex.X_add_number); | |
1976 | #endif | |
1977 | ||
1978 | switch (ex.X_op) | |
252b5132 RH |
1979 | { |
1980 | case O_illegal: | |
1981 | errmsg = _("illegal operand"); | |
1982 | goto error; | |
1983 | case O_absent: | |
1984 | errmsg = _("missing operand"); | |
1985 | goto error; | |
1986 | case O_register: | |
28e4f854 KH |
1987 | if ((operand->flags |
1988 | & (V850_OPERAND_REG | V850_OPERAND_SRG)) == 0) | |
252b5132 RH |
1989 | { |
1990 | errmsg = _("invalid operand"); | |
1991 | goto error; | |
1992 | } | |
1993 | insn = v850_insert_operand (insn, operand, ex.X_add_number, | |
1994 | (char *) NULL, 0, | |
1995 | copy_of_instruction); | |
1996 | break; | |
1997 | ||
1998 | case O_constant: | |
1999 | insn = v850_insert_operand (insn, operand, ex.X_add_number, | |
2000 | (char *) NULL, 0, | |
2001 | copy_of_instruction); | |
2002 | break; | |
2003 | ||
2004 | default: | |
2005 | /* We need to generate a fixup for this expression. */ | |
2006 | if (fc >= MAX_INSN_FIXUPS) | |
2007 | as_fatal (_("too many fixups")); | |
2008 | ||
28e4f854 KH |
2009 | fixups[fc].exp = ex; |
2010 | fixups[fc].opindex = *opindex_ptr; | |
2011 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
252b5132 RH |
2012 | ++fc; |
2013 | break; | |
2014 | } | |
2015 | } | |
2016 | ||
2017 | str = input_line_pointer; | |
2018 | input_line_pointer = hold; | |
2019 | ||
2020 | while (*str == ' ' || *str == ',' || *str == '[' || *str == ']' | |
2021 | || *str == ')') | |
2022 | ++str; | |
2023 | } | |
2024 | match = 1; | |
2025 | ||
2026 | error: | |
2027 | if (match == 0) | |
28e4f854 | 2028 | { |
252b5132 RH |
2029 | next_opcode = opcode + 1; |
2030 | if (next_opcode->name != NULL | |
2031 | && strcmp (next_opcode->name, opcode->name) == 0) | |
2032 | { | |
2033 | opcode = next_opcode; | |
2034 | ||
2035 | /* Skip versions that are not supported by the target | |
2036 | processor. */ | |
2037 | if ((opcode->processors & processor_mask) == 0) | |
2038 | goto error; | |
28e4f854 | 2039 | |
252b5132 RH |
2040 | continue; |
2041 | } | |
28e4f854 | 2042 | |
252b5132 | 2043 | as_bad ("%s: %s", copy_of_instruction, errmsg); |
28e4f854 KH |
2044 | |
2045 | if (*input_line_pointer == ']') | |
2046 | ++input_line_pointer; | |
2047 | ||
252b5132 RH |
2048 | ignore_rest_of_line (); |
2049 | input_line_pointer = saved_input_line_pointer; | |
2050 | return; | |
28e4f854 | 2051 | } |
252b5132 RH |
2052 | break; |
2053 | } | |
28e4f854 | 2054 | |
3882b010 | 2055 | while (ISSPACE (*str)) |
252b5132 RH |
2056 | ++str; |
2057 | ||
2058 | if (*str != '\0') | |
28e4f854 | 2059 | /* xgettext:c-format */ |
252b5132 RH |
2060 | as_bad (_("junk at end of line: `%s'"), str); |
2061 | ||
2062 | input_line_pointer = str; | |
2063 | ||
9fcc94b6 AM |
2064 | /* Tie dwarf2 debug info to the address at the start of the insn. |
2065 | We can't do this after the insn has been output as the current | |
2066 | frag may have been closed off. eg. by frag_var. */ | |
2067 | dwarf2_emit_insn (0); | |
2068 | ||
28e4f854 KH |
2069 | /* Write out the instruction. */ |
2070 | ||
252b5132 RH |
2071 | if (relaxable && fc > 0) |
2072 | { | |
2073 | insn_size = 2; | |
2074 | fc = 0; | |
2075 | ||
2076 | if (!strcmp (opcode->name, "br")) | |
2077 | { | |
2078 | f = frag_var (rs_machine_dependent, 4, 2, 2, | |
2079 | fixups[0].exp.X_add_symbol, | |
2080 | fixups[0].exp.X_add_number, | |
28e4f854 | 2081 | (char *) fixups[0].opindex); |
252b5132 RH |
2082 | md_number_to_chars (f, insn, insn_size); |
2083 | md_number_to_chars (f + 2, 0, 2); | |
2084 | } | |
2085 | else | |
2086 | { | |
2087 | f = frag_var (rs_machine_dependent, 6, 4, 0, | |
2088 | fixups[0].exp.X_add_symbol, | |
2089 | fixups[0].exp.X_add_number, | |
28e4f854 | 2090 | (char *) fixups[0].opindex); |
252b5132 RH |
2091 | md_number_to_chars (f, insn, insn_size); |
2092 | md_number_to_chars (f + 2, 0, 4); | |
2093 | } | |
2094 | } | |
28e4f854 | 2095 | else |
252b5132 RH |
2096 | { |
2097 | /* Four byte insns have an opcode with the two high bits on. */ | |
2098 | if ((insn & 0x0600) == 0x0600) | |
2099 | insn_size = 4; | |
2100 | else | |
2101 | insn_size = 2; | |
2102 | ||
28e4f854 | 2103 | /* Special case: 32 bit MOV. */ |
252b5132 RH |
2104 | if ((insn & 0xffe0) == 0x0620) |
2105 | insn_size = 2; | |
28e4f854 | 2106 | |
252b5132 | 2107 | f = frag_more (insn_size); |
252b5132 RH |
2108 | md_number_to_chars (f, insn, insn_size); |
2109 | ||
2110 | if (extra_data_after_insn) | |
2111 | { | |
2112 | f = frag_more (extra_data_len); | |
252b5132 RH |
2113 | md_number_to_chars (f, extra_data, extra_data_len); |
2114 | ||
2115 | extra_data_after_insn = false; | |
2116 | } | |
2117 | } | |
2118 | ||
2119 | /* Create any fixups. At this point we do not use a | |
2120 | bfd_reloc_code_real_type, but instead just use the | |
2121 | BFD_RELOC_UNUSED plus the operand index. This lets us easily | |
2122 | handle fixups for any operand type, although that is admittedly | |
2123 | not a very exciting feature. We pick a BFD reloc type in | |
94f592af | 2124 | md_apply_fix3. */ |
252b5132 RH |
2125 | for (i = 0; i < fc; i++) |
2126 | { | |
28e4f854 KH |
2127 | const struct v850_operand *operand; |
2128 | bfd_reloc_code_real_type reloc; | |
2129 | ||
2130 | operand = &v850_operands[fixups[i].opindex]; | |
252b5132 RH |
2131 | |
2132 | reloc = fixups[i].reloc; | |
28e4f854 | 2133 | |
252b5132 RH |
2134 | if (reloc != BFD_RELOC_UNUSED) |
2135 | { | |
28e4f854 KH |
2136 | reloc_howto_type *reloc_howto = |
2137 | bfd_reloc_type_lookup (stdoutput, reloc); | |
2138 | int size; | |
2139 | int address; | |
2140 | fixS *fixP; | |
252b5132 RH |
2141 | |
2142 | if (!reloc_howto) | |
28e4f854 KH |
2143 | abort (); |
2144 | ||
252b5132 RH |
2145 | size = bfd_get_reloc_size (reloc_howto); |
2146 | ||
2147 | /* XXX This will abort on an R_V850_8 reloc - | |
28e4f854 KH |
2148 | is this reloc actually used? */ |
2149 | if (size != 2 && size != 4) | |
252b5132 RH |
2150 | abort (); |
2151 | ||
2152 | address = (f - frag_now->fr_literal) + insn_size - size; | |
2153 | ||
2154 | if (reloc == BFD_RELOC_32) | |
28e4f854 KH |
2155 | address += 2; |
2156 | ||
252b5132 | 2157 | fixP = fix_new_exp (frag_now, address, size, |
28e4f854 | 2158 | &fixups[i].exp, |
252b5132 RH |
2159 | reloc_howto->pc_relative, |
2160 | reloc); | |
2161 | ||
2162 | switch (reloc) | |
2163 | { | |
2164 | case BFD_RELOC_LO16: | |
2165 | case BFD_RELOC_HI16: | |
2166 | case BFD_RELOC_HI16_S: | |
2167 | fixP->fx_no_overflow = 1; | |
2168 | break; | |
5480ccf3 NC |
2169 | default: |
2170 | break; | |
252b5132 RH |
2171 | } |
2172 | } | |
2173 | else | |
2174 | { | |
28e4f854 | 2175 | fix_new_exp (frag_now, |
252b5132 RH |
2176 | f - frag_now->fr_literal, 4, |
2177 | & fixups[i].exp, | |
28e4f854 | 2178 | 1 /* FIXME: V850_OPERAND_RELATIVE ??? */, |
252b5132 | 2179 | (bfd_reloc_code_real_type) (fixups[i].opindex |
28e4f854 | 2180 | + (int) BFD_RELOC_UNUSED)); |
252b5132 RH |
2181 | } |
2182 | } | |
2183 | ||
2184 | input_line_pointer = saved_input_line_pointer; | |
2185 | } | |
2186 | ||
28e4f854 KH |
2187 | /* If while processing a fixup, a reloc really needs to be created |
2188 | then it is done here. */ | |
252b5132 | 2189 | |
252b5132 RH |
2190 | arelent * |
2191 | tc_gen_reloc (seg, fixp) | |
28e4f854 KH |
2192 | asection *seg ATTRIBUTE_UNUSED; |
2193 | fixS *fixp; | |
252b5132 | 2194 | { |
28e4f854 KH |
2195 | arelent *reloc; |
2196 | ||
2197 | reloc = (arelent *) xmalloc (sizeof (arelent)); | |
2198 | reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *)); | |
2199 | *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy); | |
2200 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
2201 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); | |
252b5132 RH |
2202 | |
2203 | if (reloc->howto == (reloc_howto_type *) NULL) | |
2204 | { | |
2205 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
28e4f854 KH |
2206 | /* xgettext:c-format */ |
2207 | _("reloc %d not supported by object file format"), | |
252b5132 RH |
2208 | (int) fixp->fx_r_type); |
2209 | ||
2210 | xfree (reloc); | |
28e4f854 | 2211 | |
252b5132 RH |
2212 | return NULL; |
2213 | } | |
28e4f854 KH |
2214 | |
2215 | if (fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY | |
252b5132 RH |
2216 | || fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT) |
2217 | reloc->addend = fixp->fx_offset; | |
2218 | else | |
2219 | reloc->addend = fixp->fx_addnumber; | |
28e4f854 | 2220 | |
252b5132 RH |
2221 | return reloc; |
2222 | } | |
2223 | ||
606ab118 | 2224 | /* Return current size of variable part of frag. */ |
28e4f854 | 2225 | |
252b5132 RH |
2226 | int |
2227 | md_estimate_size_before_relax (fragp, seg) | |
28e4f854 KH |
2228 | fragS *fragp; |
2229 | asection *seg ATTRIBUTE_UNUSED; | |
252b5132 | 2230 | { |
606ab118 | 2231 | if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0])) |
252b5132 | 2232 | abort (); |
606ab118 AM |
2233 | |
2234 | return md_relax_table[fragp->fr_subtype].rlx_length; | |
28e4f854 | 2235 | } |
252b5132 RH |
2236 | |
2237 | long | |
2238 | v850_pcrel_from_section (fixp, section) | |
28e4f854 KH |
2239 | fixS *fixp; |
2240 | segT section; | |
252b5132 RH |
2241 | { |
2242 | /* If the symbol is undefined, or in a section other than our own, | |
d6c497c7 | 2243 | or it is weak (in which case it may well be in another section, |
252b5132 RH |
2244 | then let the linker figure it out. */ |
2245 | if (fixp->fx_addsy != (symbolS *) NULL | |
2246 | && (! S_IS_DEFINED (fixp->fx_addsy) | |
d6c497c7 | 2247 | || S_IS_WEAK (fixp->fx_addsy) |
252b5132 | 2248 | || (S_GET_SEGMENT (fixp->fx_addsy) != section))) |
d6c497c7 | 2249 | return 0; |
28e4f854 | 2250 | |
252b5132 RH |
2251 | return fixp->fx_frag->fr_address + fixp->fx_where; |
2252 | } | |
2253 | ||
94f592af NC |
2254 | void |
2255 | md_apply_fix3 (fixP, valueP, seg) | |
2256 | fixS *fixP; | |
2257 | valueT *valueP; | |
28e4f854 | 2258 | segT seg ATTRIBUTE_UNUSED; |
252b5132 | 2259 | { |
94f592af | 2260 | valueT value = * valueP; |
28e4f854 | 2261 | char *where; |
252b5132 | 2262 | |
94f592af NC |
2263 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT |
2264 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) | |
252b5132 | 2265 | { |
94f592af NC |
2266 | fixP->fx_done = 0; |
2267 | return; | |
252b5132 RH |
2268 | } |
2269 | ||
94f592af NC |
2270 | if (fixP->fx_addsy == (symbolS *) NULL) |
2271 | fixP->fx_done = 1; | |
2272 | ||
2273 | else if (fixP->fx_pcrel) | |
2274 | ; | |
2275 | ||
252b5132 RH |
2276 | else |
2277 | { | |
94f592af NC |
2278 | value = fixP->fx_offset; |
2279 | if (fixP->fx_subsy != (symbolS *) NULL) | |
252b5132 | 2280 | { |
94f592af NC |
2281 | if (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section) |
2282 | value -= S_GET_VALUE (fixP->fx_subsy); | |
252b5132 RH |
2283 | else |
2284 | { | |
2285 | /* We don't actually support subtracting a symbol. */ | |
94f592af | 2286 | as_bad_where (fixP->fx_file, fixP->fx_line, |
252b5132 RH |
2287 | _("expression too complex")); |
2288 | } | |
2289 | } | |
2290 | } | |
2291 | ||
94f592af | 2292 | if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED) |
252b5132 | 2293 | { |
28e4f854 KH |
2294 | int opindex; |
2295 | const struct v850_operand *operand; | |
2296 | unsigned long insn; | |
252b5132 | 2297 | |
94f592af | 2298 | opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED; |
28e4f854 | 2299 | operand = &v850_operands[opindex]; |
252b5132 RH |
2300 | |
2301 | /* Fetch the instruction, insert the fully resolved operand | |
2302 | value, and stuff the instruction back again. | |
2303 | ||
2304 | Note the instruction has been stored in little endian | |
2305 | format! */ | |
94f592af | 2306 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 RH |
2307 | |
2308 | insn = bfd_getl32 ((unsigned char *) where); | |
2309 | insn = v850_insert_operand (insn, operand, (offsetT) value, | |
94f592af | 2310 | fixP->fx_file, fixP->fx_line, NULL); |
252b5132 RH |
2311 | bfd_putl32 ((bfd_vma) insn, (unsigned char *) where); |
2312 | ||
94f592af NC |
2313 | if (fixP->fx_done) |
2314 | /* Nothing else to do here. */ | |
2315 | return; | |
252b5132 | 2316 | |
28e4f854 KH |
2317 | /* Determine a BFD reloc value based on the operand information. |
2318 | We are only prepared to turn a few of the operands into relocs. */ | |
252b5132 RH |
2319 | |
2320 | if (operand->bits == 22) | |
94f592af | 2321 | fixP->fx_r_type = BFD_RELOC_V850_22_PCREL; |
252b5132 | 2322 | else if (operand->bits == 9) |
94f592af | 2323 | fixP->fx_r_type = BFD_RELOC_V850_9_PCREL; |
252b5132 RH |
2324 | else |
2325 | { | |
28e4f854 KH |
2326 | #if 0 |
2327 | fprintf (stderr, "bits: %d, insn: %x\n", operand->bits, insn); | |
2328 | #endif | |
2329 | ||
94f592af | 2330 | as_bad_where (fixP->fx_file, fixP->fx_line, |
28e4f854 | 2331 | _("unresolved expression that must be resolved")); |
94f592af NC |
2332 | fixP->fx_done = 1; |
2333 | return; | |
252b5132 RH |
2334 | } |
2335 | } | |
94f592af | 2336 | else if (fixP->fx_done) |
252b5132 RH |
2337 | { |
2338 | /* We still have to insert the value into memory! */ | |
94f592af | 2339 | where = fixP->fx_frag->fr_literal + fixP->fx_where; |
252b5132 | 2340 | |
94f592af | 2341 | if (fixP->fx_size == 1) |
28e4f854 | 2342 | *where = value & 0xff; |
94f592af | 2343 | else if (fixP->fx_size == 2) |
252b5132 | 2344 | bfd_putl16 (value & 0xffff, (unsigned char *) where); |
94f592af | 2345 | else if (fixP->fx_size == 4) |
252b5132 RH |
2346 | bfd_putl32 (value, (unsigned char *) where); |
2347 | } | |
28e4f854 | 2348 | |
94f592af | 2349 | fixP->fx_addnumber = value; |
252b5132 | 2350 | } |
252b5132 RH |
2351 | \f |
2352 | /* Parse a cons expression. We have to handle hi(), lo(), etc | |
2353 | on the v850. */ | |
28e4f854 | 2354 | |
252b5132 RH |
2355 | void |
2356 | parse_cons_expression_v850 (exp) | |
28e4f854 | 2357 | expressionS *exp; |
252b5132 RH |
2358 | { |
2359 | /* See if there's a reloc prefix like hi() we have to handle. */ | |
2360 | hold_cons_reloc = v850_reloc_prefix (NULL); | |
2361 | ||
2362 | /* Do normal expression parsing. */ | |
2363 | expression (exp); | |
2364 | } | |
2365 | ||
2366 | /* Create a fixup for a cons expression. If parse_cons_expression_v850 | |
2367 | found a reloc prefix, then we use that reloc, else we choose an | |
2368 | appropriate one based on the size of the expression. */ | |
28e4f854 | 2369 | |
252b5132 RH |
2370 | void |
2371 | cons_fix_new_v850 (frag, where, size, exp) | |
28e4f854 | 2372 | fragS *frag; |
252b5132 RH |
2373 | int where; |
2374 | int size; | |
2375 | expressionS *exp; | |
2376 | { | |
2377 | if (hold_cons_reloc == BFD_RELOC_UNUSED) | |
2378 | { | |
2379 | if (size == 4) | |
2380 | hold_cons_reloc = BFD_RELOC_32; | |
2381 | if (size == 2) | |
2382 | hold_cons_reloc = BFD_RELOC_16; | |
2383 | if (size == 1) | |
2384 | hold_cons_reloc = BFD_RELOC_8; | |
2385 | } | |
2386 | ||
2387 | if (exp != NULL) | |
2388 | fix_new_exp (frag, where, size, exp, 0, hold_cons_reloc); | |
2389 | else | |
2390 | fix_new (frag, where, size, NULL, 0, 0, hold_cons_reloc); | |
a8761a19 DD |
2391 | |
2392 | hold_cons_reloc = BFD_RELOC_UNUSED; | |
252b5132 | 2393 | } |
d6c497c7 | 2394 | |
252b5132 RH |
2395 | boolean |
2396 | v850_fix_adjustable (fixP) | |
28e4f854 | 2397 | fixS *fixP; |
252b5132 | 2398 | { |
252b5132 RH |
2399 | if (fixP->fx_addsy == NULL) |
2400 | return 1; | |
28e4f854 KH |
2401 | |
2402 | /* Prevent all adjustments to global symbols. */ | |
252b5132 RH |
2403 | if (S_IS_EXTERN (fixP->fx_addsy)) |
2404 | return 0; | |
28e4f854 | 2405 | |
5480ccf3 | 2406 | /* Similarly for weak symbols. */ |
252b5132 RH |
2407 | if (S_IS_WEAK (fixP->fx_addsy)) |
2408 | return 0; | |
28e4f854 KH |
2409 | |
2410 | /* Don't adjust function names. */ | |
252b5132 RH |
2411 | if (S_IS_FUNCTION (fixP->fx_addsy)) |
2412 | return 0; | |
2413 | ||
28e4f854 KH |
2414 | /* We need the symbol name for the VTABLE entries. */ |
2415 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
252b5132 RH |
2416 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
2417 | return 0; | |
28e4f854 | 2418 | |
252b5132 RH |
2419 | return 1; |
2420 | } | |
28e4f854 | 2421 | |
252b5132 | 2422 | int |
d6c497c7 | 2423 | v850_force_relocation (fixP) |
28e4f854 | 2424 | struct fix *fixP; |
252b5132 | 2425 | { |
d6c497c7 NC |
2426 | if (fixP->fx_addsy && S_IS_WEAK (fixP->fx_addsy)) |
2427 | return 1; | |
28e4f854 KH |
2428 | |
2429 | if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT | |
d6c497c7 | 2430 | || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY) |
252b5132 | 2431 | return 1; |
28e4f854 | 2432 | |
252b5132 RH |
2433 | return 0; |
2434 | } |