Commit | Line | Data |
---|---|---|
fecd2382 | 1 | /* tc-sparc.c -- Assemble for the SPARC |
4c67b523 | 2 | Copyright (C) 1989, 90, 91, 92, 93, 94, 1995 Free Software Foundation, Inc. |
355afbcd | 3 | |
fecd2382 | 4 | This file is part of GAS, the GNU Assembler. |
355afbcd | 5 | |
fecd2382 RP |
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 | |
6321e9ea | 8 | the Free Software Foundation; either version 2, or (at your option) |
fecd2382 | 9 | any later version. |
355afbcd | 10 | |
fecd2382 RP |
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. | |
355afbcd | 15 | |
fecd2382 RP |
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 | |
a2a5a4fa | 18 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
fecd2382 | 19 | |
fecd2382 RP |
20 | #include <stdio.h> |
21 | #include <ctype.h> | |
22 | ||
23 | #include "as.h" | |
7ab2e983 | 24 | #include "subsegs.h" |
fecd2382 RP |
25 | |
26 | /* careful, this file includes data *declarations* */ | |
584a0f78 | 27 | #include "opcode/sparc.h" |
fecd2382 | 28 | |
7766838e | 29 | static void sparc_ip PARAMS ((char *)); |
fecd2382 | 30 | |
5e0a90a8 KR |
31 | #ifdef sparcv9 |
32 | static enum sparc_architecture current_architecture = v9; | |
33 | #else | |
839df5c3 | 34 | static enum sparc_architecture current_architecture = v6; |
5e0a90a8 | 35 | #endif |
428d312b KR |
36 | static int architecture_requested; |
37 | static int warn_on_bump; | |
839df5c3 | 38 | |
4c67b523 ILT |
39 | /* Non-zero if we are generating PIC code. */ |
40 | int sparc_pic_code; | |
41 | ||
ed9638af KR |
42 | extern int target_big_endian; |
43 | ||
fecd2382 | 44 | /* handle of the OPCODE hash table */ |
5e0a90a8 | 45 | static struct hash_control *op_hash; |
fecd2382 | 46 | |
7766838e ILT |
47 | static void s_data1 PARAMS ((void)); |
48 | static void s_seg PARAMS ((int)); | |
49 | static void s_proc PARAMS ((int)); | |
50 | static void s_reserve PARAMS ((int)); | |
51 | static void s_common PARAMS ((int)); | |
428d312b | 52 | |
355afbcd KR |
53 | const pseudo_typeS md_pseudo_table[] = |
54 | { | |
55 | {"align", s_align_bytes, 0}, /* Defaulting is invalid (0) */ | |
56 | {"common", s_common, 0}, | |
57 | {"global", s_globl, 0}, | |
58 | {"half", cons, 2}, | |
59 | {"optim", s_ignore, 0}, | |
60 | {"proc", s_proc, 0}, | |
61 | {"reserve", s_reserve, 0}, | |
62 | {"seg", s_seg, 0}, | |
63 | {"skip", s_space, 0}, | |
64 | {"word", cons, 4}, | |
428d312b | 65 | #ifndef NO_V9 |
7766838e | 66 | {"xword", cons, 8}, |
92421122 KR |
67 | #ifdef OBJ_ELF |
68 | {"uaxword", cons, 8}, | |
69 | #endif | |
428d312b | 70 | #endif |
693b21e7 | 71 | #ifdef OBJ_ELF |
693b21e7 KR |
72 | /* these are specific to sparc/svr4 */ |
73 | {"pushsection", obj_elf_section, 0}, | |
74 | {"popsection", obj_elf_previous, 0}, | |
75 | {"uaword", cons, 4}, | |
76 | {"uahalf", cons, 2}, | |
77 | #endif | |
355afbcd | 78 | {NULL, 0, 0}, |
fecd2382 RP |
79 | }; |
80 | ||
355afbcd | 81 | const int md_reloc_size = 12; /* Size of relocation record */ |
fecd2382 RP |
82 | |
83 | /* This array holds the chars that always start a comment. If the | |
84 | pre-processor is disabled, these aren't very useful */ | |
839df5c3 | 85 | const char comment_chars[] = "!"; /* JF removed '|' from comment_chars */ |
fecd2382 RP |
86 | |
87 | /* This array holds the chars that only start a comment at the beginning of | |
88 | a line. If the line seems to have the form '# 123 filename' | |
89 | .line and .file directives will appear in the pre-processed output */ | |
90 | /* Note that input_file.c hand checks for '#' at the beginning of the | |
91 | first line of the input file. This is because the compiler outputs | |
92 | #NO_APP at the beginning of its output. */ | |
839df5c3 RP |
93 | /* Also note that comments started like this one will always |
94 | work if '/' isn't otherwise defined. */ | |
95 | const char line_comment_chars[] = "#"; | |
fecd2382 | 96 | |
355afbcd KR |
97 | const char line_separator_chars[] = ""; |
98 | ||
fecd2382 | 99 | /* Chars that can be used to separate mant from exp in floating point nums */ |
839df5c3 | 100 | const char EXP_CHARS[] = "eE"; |
fecd2382 RP |
101 | |
102 | /* Chars that mean this number is a floating point constant */ | |
103 | /* As in 0f12.456 */ | |
104 | /* or 0d1.2345e12 */ | |
839df5c3 | 105 | const char FLT_CHARS[] = "rRsSfFdDxXpP"; |
fecd2382 RP |
106 | |
107 | /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be | |
9b6a882e KR |
108 | changed in read.c. Ideally it shouldn't have to know about it at all, |
109 | but nothing is ideal around here. */ | |
fecd2382 RP |
110 | |
111 | static unsigned char octal[256]; | |
58d4951d | 112 | #define isoctal(c) octal[(unsigned char) (c)] |
355afbcd KR |
113 | static unsigned char toHex[256]; |
114 | ||
115 | struct sparc_it | |
116 | { | |
117 | char *error; | |
118 | unsigned long opcode; | |
119 | struct nlist *nlistp; | |
120 | expressionS exp; | |
121 | int pcrel; | |
428d312b | 122 | bfd_reloc_code_real_type reloc; |
428d312b KR |
123 | }; |
124 | ||
125 | struct sparc_it the_insn, set_insn; | |
126 | ||
7ab2e983 ILT |
127 | static INLINE int |
128 | in_signed_range (val, max) | |
129 | bfd_signed_vma val, max; | |
130 | { | |
131 | if (max <= 0) | |
132 | abort (); | |
133 | if (val > max) | |
134 | return 0; | |
135 | if (val < ~max) | |
136 | return 0; | |
137 | return 1; | |
138 | } | |
139 | ||
fecd2382 | 140 | #if 0 |
428d312b | 141 | static void print_insn PARAMS ((struct sparc_it *insn)); |
fecd2382 | 142 | #endif |
428d312b | 143 | static int getExpression PARAMS ((char *str)); |
a87b3269 | 144 | |
fecd2382 RP |
145 | static char *expr_end; |
146 | static int special_case; | |
147 | ||
148 | /* | |
149 | * Instructions that require wierd handling because they're longer than | |
150 | * 4 bytes. | |
151 | */ | |
152 | #define SPECIAL_CASE_SET 1 | |
153 | #define SPECIAL_CASE_FDIV 2 | |
154 | ||
155 | /* | |
156 | * sort of like s_lcomm | |
157 | * | |
158 | */ | |
58d4951d | 159 | #ifndef OBJ_ELF |
584a0f78 | 160 | static int max_alignment = 15; |
58d4951d | 161 | #endif |
584a0f78 | 162 | |
355afbcd | 163 | static void |
7766838e ILT |
164 | s_reserve (ignore) |
165 | int ignore; | |
355afbcd KR |
166 | { |
167 | char *name; | |
168 | char *p; | |
169 | char c; | |
170 | int align; | |
171 | int size; | |
172 | int temp; | |
173 | symbolS *symbolP; | |
174 | ||
175 | name = input_line_pointer; | |
176 | c = get_symbol_end (); | |
177 | p = input_line_pointer; | |
178 | *p = c; | |
179 | SKIP_WHITESPACE (); | |
180 | ||
181 | if (*input_line_pointer != ',') | |
182 | { | |
183 | as_bad ("Expected comma after name"); | |
184 | ignore_rest_of_line (); | |
185 | return; | |
186 | } | |
187 | ||
188 | ++input_line_pointer; | |
189 | ||
190 | if ((size = get_absolute_expression ()) < 0) | |
191 | { | |
192 | as_bad ("BSS length (%d.) <0! Ignored.", size); | |
193 | ignore_rest_of_line (); | |
194 | return; | |
195 | } /* bad length */ | |
196 | ||
197 | *p = 0; | |
198 | symbolP = symbol_find_or_make (name); | |
199 | *p = c; | |
200 | ||
125f0b0d KR |
201 | if (strncmp (input_line_pointer, ",\"bss\"", 6) != 0 |
202 | && strncmp (input_line_pointer, ",\".bss\"", 7) != 0) | |
355afbcd | 203 | { |
5e0a90a8 | 204 | as_bad ("bad .reserve segment -- expected BSS segment"); |
355afbcd | 205 | return; |
9b6a882e | 206 | } |
355afbcd | 207 | |
125f0b0d KR |
208 | if (input_line_pointer[2] == '.') |
209 | input_line_pointer += 7; | |
210 | else | |
211 | input_line_pointer += 6; | |
355afbcd KR |
212 | SKIP_WHITESPACE (); |
213 | ||
214 | if (*input_line_pointer == ',') | |
215 | { | |
216 | ++input_line_pointer; | |
217 | ||
218 | SKIP_WHITESPACE (); | |
219 | if (*input_line_pointer == '\n') | |
220 | { | |
221 | as_bad ("Missing alignment"); | |
222 | return; | |
223 | } | |
224 | ||
225 | align = get_absolute_expression (); | |
58d4951d | 226 | #ifndef OBJ_ELF |
355afbcd KR |
227 | if (align > max_alignment) |
228 | { | |
229 | align = max_alignment; | |
230 | as_warn ("Alignment too large: %d. assumed.", align); | |
231 | } | |
58d4951d ILT |
232 | #endif |
233 | if (align < 0) | |
355afbcd KR |
234 | { |
235 | align = 0; | |
236 | as_warn ("Alignment negative. 0 assumed."); | |
fecd2382 | 237 | } |
428d312b KR |
238 | |
239 | record_alignment (bss_section, align); | |
355afbcd KR |
240 | |
241 | /* convert to a power of 2 alignment */ | |
242 | for (temp = 0; (align & 1) == 0; align >>= 1, ++temp);; | |
243 | ||
244 | if (align != 1) | |
245 | { | |
246 | as_bad ("Alignment not a power of 2"); | |
247 | ignore_rest_of_line (); | |
248 | return; | |
249 | } /* not a power of two */ | |
250 | ||
251 | align = temp; | |
355afbcd | 252 | } /* if has optional alignment */ |
428d312b KR |
253 | else |
254 | align = 0; | |
355afbcd | 255 | |
a0eb1c2c | 256 | if (!S_IS_DEFINED (symbolP) |
125f0b0d KR |
257 | #ifdef OBJ_AOUT |
258 | && S_GET_OTHER (symbolP) == 0 | |
355afbcd | 259 | && S_GET_DESC (symbolP) == 0 |
125f0b0d KR |
260 | #endif |
261 | ) | |
355afbcd | 262 | { |
428d312b KR |
263 | if (! need_pass_2) |
264 | { | |
7766838e | 265 | char *pfrag; |
428d312b KR |
266 | segT current_seg = now_seg; |
267 | subsegT current_subseg = now_subseg; | |
268 | ||
269 | subseg_set (bss_section, 1); /* switch to bss */ | |
270 | ||
271 | if (align) | |
272 | frag_align (align, 0); /* do alignment */ | |
273 | ||
274 | /* detach from old frag */ | |
275 | if (S_GET_SEGMENT(symbolP) == bss_section) | |
276 | symbolP->sy_frag->fr_symbol = NULL; | |
277 | ||
278 | symbolP->sy_frag = frag_now; | |
7766838e ILT |
279 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP, |
280 | size, (char *)0); | |
281 | *pfrag = 0; | |
428d312b KR |
282 | |
283 | S_SET_SEGMENT (symbolP, bss_section); | |
284 | ||
285 | subseg_set (current_seg, current_subseg); | |
286 | } | |
355afbcd KR |
287 | } |
288 | else | |
289 | { | |
a0eb1c2c ILT |
290 | as_warn("Ignoring attempt to re-define symbol %s", |
291 | S_GET_NAME (symbolP)); | |
355afbcd KR |
292 | } /* if not redefining */ |
293 | ||
294 | demand_empty_rest_of_line (); | |
428d312b | 295 | } |
355afbcd KR |
296 | |
297 | static void | |
7766838e ILT |
298 | s_common (ignore) |
299 | int ignore; | |
355afbcd | 300 | { |
ed9638af KR |
301 | char *name; |
302 | char c; | |
303 | char *p; | |
304 | int temp, size; | |
305 | symbolS *symbolP; | |
355afbcd KR |
306 | |
307 | name = input_line_pointer; | |
308 | c = get_symbol_end (); | |
309 | /* just after name is now '\0' */ | |
310 | p = input_line_pointer; | |
311 | *p = c; | |
312 | SKIP_WHITESPACE (); | |
313 | if (*input_line_pointer != ',') | |
314 | { | |
315 | as_bad ("Expected comma after symbol-name"); | |
316 | ignore_rest_of_line (); | |
317 | return; | |
318 | } | |
319 | input_line_pointer++; /* skip ',' */ | |
320 | if ((temp = get_absolute_expression ()) < 0) | |
321 | { | |
322 | as_bad (".COMMon length (%d.) <0! Ignored.", temp); | |
323 | ignore_rest_of_line (); | |
324 | return; | |
325 | } | |
ed9638af | 326 | size = temp; |
355afbcd KR |
327 | *p = 0; |
328 | symbolP = symbol_find_or_make (name); | |
329 | *p = c; | |
330 | if (S_IS_DEFINED (symbolP)) | |
331 | { | |
332 | as_bad ("Ignoring attempt to re-define symbol"); | |
333 | ignore_rest_of_line (); | |
334 | return; | |
335 | } | |
336 | if (S_GET_VALUE (symbolP) != 0) | |
337 | { | |
ed9638af | 338 | if (S_GET_VALUE (symbolP) != size) |
355afbcd | 339 | { |
125f0b0d KR |
340 | as_warn ("Length of .comm \"%s\" is already %ld. Not changed to %d.", |
341 | S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size); | |
680227f3 | 342 | } |
355afbcd KR |
343 | } |
344 | else | |
345 | { | |
ed9638af | 346 | #ifndef OBJ_ELF |
7766838e | 347 | S_SET_VALUE (symbolP, (valueT) size); |
355afbcd | 348 | S_SET_EXTERNAL (symbolP); |
428d312b | 349 | #endif |
355afbcd KR |
350 | } |
351 | know (symbolP->sy_frag == &zero_address_frag); | |
428d312b KR |
352 | if (*input_line_pointer != ',') |
353 | { | |
125f0b0d | 354 | as_bad ("Expected comma after common length"); |
428d312b KR |
355 | ignore_rest_of_line (); |
356 | return; | |
357 | } | |
358 | input_line_pointer++; | |
125f0b0d KR |
359 | SKIP_WHITESPACE (); |
360 | if (*input_line_pointer != '"') | |
ed9638af | 361 | { |
125f0b0d | 362 | temp = get_absolute_expression (); |
58d4951d | 363 | #ifndef OBJ_ELF |
125f0b0d KR |
364 | if (temp > max_alignment) |
365 | { | |
366 | temp = max_alignment; | |
367 | as_warn ("Common alignment too large: %d. assumed", temp); | |
368 | } | |
58d4951d ILT |
369 | #endif |
370 | if (temp < 0) | |
125f0b0d KR |
371 | { |
372 | temp = 0; | |
373 | as_warn ("Common alignment negative; 0 assumed"); | |
374 | } | |
b2565433 | 375 | #ifdef OBJ_ELF |
125f0b0d KR |
376 | if (symbolP->local) |
377 | { | |
ff4cac38 KR |
378 | segT old_sec; |
379 | int old_subsec; | |
125f0b0d | 380 | char *p; |
ff4cac38 | 381 | int align; |
ed9638af | 382 | |
ff4cac38 KR |
383 | allocate_bss: |
384 | old_sec = now_seg; | |
385 | old_subsec = now_subseg; | |
386 | align = temp; | |
125f0b0d KR |
387 | record_alignment (bss_section, align); |
388 | subseg_set (bss_section, 0); | |
389 | if (align) | |
390 | frag_align (align, 0); | |
391 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
392 | symbolP->sy_frag->fr_symbol = 0; | |
393 | symbolP->sy_frag = frag_now; | |
394 | p = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, | |
395 | (char *) 0); | |
396 | *p = 0; | |
397 | S_SET_SEGMENT (symbolP, bss_section); | |
398 | S_CLEAR_EXTERNAL (symbolP); | |
399 | subseg_set (old_sec, old_subsec); | |
400 | } | |
401 | else | |
b2565433 | 402 | #endif |
125f0b0d | 403 | { |
ff4cac38 | 404 | allocate_common: |
7766838e | 405 | S_SET_VALUE (symbolP, (valueT) size); |
5e0a90a8 KR |
406 | #ifdef OBJ_ELF |
407 | S_SET_ALIGN (symbolP, temp); | |
408 | #endif | |
125f0b0d KR |
409 | S_SET_EXTERNAL (symbolP); |
410 | /* should be common, but this is how gas does it for now */ | |
5e0a90a8 | 411 | S_SET_SEGMENT (symbolP, bfd_und_section_ptr); |
125f0b0d | 412 | } |
ed9638af KR |
413 | } |
414 | else | |
415 | { | |
125f0b0d | 416 | input_line_pointer++; |
ff4cac38 KR |
417 | /* @@ Some use the dot, some don't. Can we get some consistency?? */ |
418 | if (*input_line_pointer == '.') | |
419 | input_line_pointer++; | |
420 | /* @@ Some say data, some say bss. */ | |
125f0b0d | 421 | if (strncmp (input_line_pointer, "bss\"", 4) |
ff4cac38 | 422 | && strncmp (input_line_pointer, "data\"", 5)) |
125f0b0d | 423 | { |
ff4cac38 KR |
424 | while (*--input_line_pointer != '"') |
425 | ; | |
426 | input_line_pointer--; | |
125f0b0d KR |
427 | goto bad_common_segment; |
428 | } | |
429 | while (*input_line_pointer++ != '"') | |
430 | ; | |
ff4cac38 | 431 | goto allocate_common; |
355afbcd | 432 | } |
355afbcd KR |
433 | demand_empty_rest_of_line (); |
434 | return; | |
ff4cac38 KR |
435 | |
436 | { | |
437 | bad_common_segment: | |
438 | p = input_line_pointer; | |
439 | while (*p && *p != '\n') | |
440 | p++; | |
441 | c = *p; | |
442 | *p = '\0'; | |
443 | as_bad ("bad .common segment %s", input_line_pointer + 1); | |
444 | *p = c; | |
445 | input_line_pointer = p; | |
446 | ignore_rest_of_line (); | |
447 | return; | |
448 | } | |
449 | } | |
355afbcd KR |
450 | |
451 | static void | |
7766838e ILT |
452 | s_seg (ignore) |
453 | int ignore; | |
355afbcd KR |
454 | { |
455 | ||
456 | if (strncmp (input_line_pointer, "\"text\"", 6) == 0) | |
457 | { | |
458 | input_line_pointer += 6; | |
7766838e | 459 | s_text (0); |
355afbcd KR |
460 | return; |
461 | } | |
462 | if (strncmp (input_line_pointer, "\"data\"", 6) == 0) | |
463 | { | |
464 | input_line_pointer += 6; | |
7766838e | 465 | s_data (0); |
355afbcd KR |
466 | return; |
467 | } | |
468 | if (strncmp (input_line_pointer, "\"data1\"", 7) == 0) | |
469 | { | |
470 | input_line_pointer += 7; | |
471 | s_data1 (); | |
472 | return; | |
473 | } | |
474 | if (strncmp (input_line_pointer, "\"bss\"", 5) == 0) | |
475 | { | |
476 | input_line_pointer += 5; | |
477 | /* We only support 2 segments -- text and data -- for now, so | |
428d312b KR |
478 | things in the "bss segment" will have to go into data for now. |
479 | You can still allocate SEG_BSS stuff with .lcomm or .reserve. */ | |
480 | subseg_set (data_section, 255); /* FIXME-SOMEDAY */ | |
355afbcd KR |
481 | return; |
482 | } | |
483 | as_bad ("Unknown segment type"); | |
484 | demand_empty_rest_of_line (); | |
c999fd9f | 485 | } |
355afbcd KR |
486 | |
487 | static void | |
488 | s_data1 () | |
489 | { | |
428d312b | 490 | subseg_set (data_section, 1); |
355afbcd | 491 | demand_empty_rest_of_line (); |
c999fd9f | 492 | } |
fecd2382 | 493 | |
355afbcd | 494 | static void |
7766838e ILT |
495 | s_proc (ignore) |
496 | int ignore; | |
355afbcd | 497 | { |
58d4951d | 498 | while (!is_end_of_line[(unsigned char) *input_line_pointer]) |
355afbcd KR |
499 | { |
500 | ++input_line_pointer; | |
501 | } | |
502 | ++input_line_pointer; | |
c999fd9f | 503 | } |
fecd2382 | 504 | |
680227f3 | 505 | #ifndef NO_V9 |
428d312b | 506 | |
355afbcd KR |
507 | struct priv_reg_entry |
508 | { | |
509 | char *name; | |
510 | int regnum; | |
511 | }; | |
428d312b | 512 | |
680227f3 KR |
513 | struct priv_reg_entry priv_reg_table[] = |
514 | { | |
355afbcd KR |
515 | {"tpc", 0}, |
516 | {"tnpc", 1}, | |
517 | {"tstate", 2}, | |
518 | {"tt", 3}, | |
519 | {"tick", 4}, | |
520 | {"tba", 5}, | |
521 | {"pstate", 6}, | |
522 | {"tl", 7}, | |
523 | {"pil", 8}, | |
524 | {"cwp", 9}, | |
525 | {"cansave", 10}, | |
526 | {"canrestore", 11}, | |
527 | {"cleanwin", 12}, | |
528 | {"otherwin", 13}, | |
529 | {"wstate", 14}, | |
125f0b0d | 530 | {"fq", 15}, |
355afbcd KR |
531 | {"ver", 31}, |
532 | {"", -1}, /* end marker */ | |
680227f3 KR |
533 | }; |
534 | ||
ed9638af KR |
535 | struct membar_masks |
536 | { | |
537 | char *name; | |
7766838e ILT |
538 | unsigned int len; |
539 | unsigned int mask; | |
ed9638af KR |
540 | }; |
541 | ||
542 | #define MEMBAR_MASKS_SIZE 7 | |
543 | ||
5e0a90a8 | 544 | static const struct membar_masks membar_masks[MEMBAR_MASKS_SIZE] = |
ed9638af KR |
545 | { |
546 | {"Sync", 4, 0x40}, | |
547 | {"MemIssue", 8, 0x20}, | |
548 | {"Lookaside", 9, 0x10}, | |
549 | {"StoreStore", 10, 0x08}, | |
550 | {"LoadStore", 9, 0x04}, | |
551 | {"StoreLoad", 9, 0x02}, | |
552 | {"LoadLoad", 8, 0x01}, | |
553 | }; | |
554 | ||
355afbcd KR |
555 | static int |
556 | cmp_reg_entry (p, q) | |
680227f3 KR |
557 | struct priv_reg_entry *p, *q; |
558 | { | |
559 | return strcmp (q->name, p->name); | |
560 | } | |
355afbcd | 561 | |
680227f3 | 562 | #endif |
680227f3 | 563 | |
fecd2382 RP |
564 | /* This function is called once, at assembler startup time. It should |
565 | set up all the tables, etc. that the MD part of the assembler will need. */ | |
355afbcd KR |
566 | void |
567 | md_begin () | |
568 | { | |
7766838e | 569 | register const char *retval = NULL; |
355afbcd KR |
570 | int lose = 0; |
571 | register unsigned int i = 0; | |
572 | ||
573 | op_hash = hash_new (); | |
355afbcd KR |
574 | |
575 | while (i < NUMOPCODES) | |
576 | { | |
577 | const char *name = sparc_opcodes[i].name; | |
578 | retval = hash_insert (op_hash, name, &sparc_opcodes[i]); | |
7766838e | 579 | if (retval != NULL) |
355afbcd KR |
580 | { |
581 | fprintf (stderr, "internal error: can't hash `%s': %s\n", | |
582 | sparc_opcodes[i].name, retval); | |
583 | lose = 1; | |
fecd2382 | 584 | } |
355afbcd KR |
585 | do |
586 | { | |
587 | if (sparc_opcodes[i].match & sparc_opcodes[i].lose) | |
588 | { | |
589 | fprintf (stderr, "internal error: losing opcode: `%s' \"%s\"\n", | |
590 | sparc_opcodes[i].name, sparc_opcodes[i].args); | |
591 | lose = 1; | |
592 | } | |
593 | ++i; | |
594 | } | |
595 | while (i < NUMOPCODES | |
596 | && !strcmp (sparc_opcodes[i].name, name)); | |
597 | } | |
598 | ||
599 | if (lose) | |
600 | as_fatal ("Broken assembler. No assembly attempted."); | |
601 | ||
602 | for (i = '0'; i < '8'; ++i) | |
603 | octal[i] = 1; | |
604 | for (i = '0'; i <= '9'; ++i) | |
605 | toHex[i] = i - '0'; | |
606 | for (i = 'a'; i <= 'f'; ++i) | |
607 | toHex[i] = i + 10 - 'a'; | |
608 | for (i = 'A'; i <= 'F'; ++i) | |
609 | toHex[i] = i + 10 - 'A'; | |
610 | ||
680227f3 | 611 | #ifndef NO_V9 |
355afbcd KR |
612 | qsort (priv_reg_table, sizeof (priv_reg_table) / sizeof (priv_reg_table[0]), |
613 | sizeof (priv_reg_table[0]), cmp_reg_entry); | |
680227f3 | 614 | #endif |
ed9638af KR |
615 | |
616 | target_big_endian = 1; | |
9b6a882e | 617 | } |
fecd2382 | 618 | |
355afbcd KR |
619 | void |
620 | md_assemble (str) | |
621 | char *str; | |
fecd2382 | 622 | { |
355afbcd KR |
623 | char *toP; |
624 | int rsd; | |
625 | ||
626 | know (str); | |
627 | sparc_ip (str); | |
628 | ||
629 | /* See if "set" operand is absolute and small; skip sethi if so. */ | |
428d312b | 630 | if (special_case == SPECIAL_CASE_SET |
5ac34ac3 | 631 | && the_insn.exp.X_op == O_constant) |
355afbcd KR |
632 | { |
633 | if (the_insn.exp.X_add_number >= -(1 << 12) | |
634 | && the_insn.exp.X_add_number < (1 << 12)) | |
635 | { | |
636 | the_insn.opcode = 0x80102000 /* or %g0,imm,... */ | |
637 | | (the_insn.opcode & 0x3E000000) /* dest reg */ | |
638 | | (the_insn.exp.X_add_number & 0x1FFF); /* imm */ | |
639 | special_case = 0; /* No longer special */ | |
428d312b | 640 | the_insn.reloc = BFD_RELOC_NONE; /* No longer relocated */ |
680227f3 | 641 | } |
355afbcd KR |
642 | } |
643 | ||
644 | toP = frag_more (4); | |
645 | /* put out the opcode */ | |
125f0b0d | 646 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
355afbcd KR |
647 | |
648 | /* put out the symbol-dependent stuff */ | |
428d312b | 649 | if (the_insn.reloc != BFD_RELOC_NONE) |
355afbcd | 650 | { |
5ac34ac3 ILT |
651 | fix_new_exp (frag_now, /* which frag */ |
652 | (toP - frag_now->fr_literal), /* where */ | |
653 | 4, /* size */ | |
654 | &the_insn.exp, | |
655 | the_insn.pcrel, | |
656 | the_insn.reloc); | |
355afbcd | 657 | } |
428d312b | 658 | |
355afbcd KR |
659 | switch (special_case) |
660 | { | |
355afbcd KR |
661 | case SPECIAL_CASE_SET: |
662 | special_case = 0; | |
428d312b | 663 | assert (the_insn.reloc == BFD_RELOC_HI22); |
355afbcd | 664 | /* See if "set" operand has no low-order bits; skip OR if so. */ |
5ac34ac3 | 665 | if (the_insn.exp.X_op == O_constant |
355afbcd KR |
666 | && ((the_insn.exp.X_add_number & 0x3FF) == 0)) |
667 | return; | |
668 | toP = frag_more (4); | |
669 | rsd = (the_insn.opcode >> 25) & 0x1f; | |
670 | the_insn.opcode = 0x80102000 | (rsd << 25) | (rsd << 14); | |
125f0b0d | 671 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
5ac34ac3 ILT |
672 | fix_new_exp (frag_now, /* which frag */ |
673 | (toP - frag_now->fr_literal), /* where */ | |
674 | 4, /* size */ | |
675 | &the_insn.exp, | |
676 | the_insn.pcrel, | |
677 | BFD_RELOC_LO10); | |
355afbcd KR |
678 | return; |
679 | ||
680 | case SPECIAL_CASE_FDIV: | |
681 | /* According to information leaked from Sun, the "fdiv" instructions | |
8fc0776d JW |
682 | on early SPARC machines would produce incorrect results sometimes. |
683 | The workaround is to add an fmovs of the destination register to | |
684 | itself just after the instruction. This was true on machines | |
685 | with Weitek 1165 float chips, such as the Sun-4/260 and /280. */ | |
355afbcd | 686 | special_case = 0; |
428d312b | 687 | assert (the_insn.reloc == BFD_RELOC_NONE); |
355afbcd KR |
688 | toP = frag_more (4); |
689 | rsd = (the_insn.opcode >> 25) & 0x1f; | |
690 | the_insn.opcode = 0x81A00020 | (rsd << 25) | rsd; /* fmovs dest,dest */ | |
125f0b0d | 691 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
355afbcd KR |
692 | return; |
693 | ||
694 | case 0: | |
695 | return; | |
696 | ||
697 | default: | |
698 | as_fatal ("failed sanity check."); | |
699 | } | |
9b6a882e | 700 | } |
355afbcd | 701 | |
5e0a90a8 KR |
702 | /* Implement big shift right. */ |
703 | static bfd_vma | |
704 | BSR (val, amount) | |
705 | bfd_vma val; | |
706 | int amount; | |
707 | { | |
708 | if (sizeof (bfd_vma) <= 4 && amount >= 32) | |
709 | as_fatal ("Support for 64-bit arithmetic not compiled in."); | |
710 | return val >> amount; | |
711 | } | |
712 | ||
355afbcd KR |
713 | static void |
714 | sparc_ip (str) | |
715 | char *str; | |
fecd2382 | 716 | { |
355afbcd KR |
717 | char *error_message = ""; |
718 | char *s; | |
719 | const char *args; | |
720 | char c; | |
a7aa7a2b | 721 | const struct sparc_opcode *insn; |
355afbcd KR |
722 | char *argsStart; |
723 | unsigned long opcode; | |
724 | unsigned int mask = 0; | |
725 | int match = 0; | |
726 | int comma = 0; | |
727 | long immediate_max = 0; | |
728 | ||
729 | for (s = str; islower (*s) || (*s >= '0' && *s <= '3'); ++s) | |
730 | ; | |
731 | switch (*s) | |
732 | { | |
733 | ||
734 | case '\0': | |
735 | break; | |
736 | ||
737 | case ',': | |
738 | comma = 1; | |
739 | ||
740 | /*FALLTHROUGH */ | |
741 | ||
742 | case ' ': | |
743 | *s++ = '\0'; | |
744 | break; | |
745 | ||
746 | default: | |
a7aa7a2b | 747 | as_fatal ("Unknown opcode: `%s'", str); |
355afbcd | 748 | } |
a7aa7a2b ILT |
749 | insn = (struct sparc_opcode *) hash_find (op_hash, str); |
750 | if (insn == NULL) | |
355afbcd KR |
751 | { |
752 | as_bad ("Unknown opcode: `%s'", str); | |
753 | return; | |
754 | } | |
755 | if (comma) | |
756 | { | |
757 | *--s = ','; | |
758 | } | |
759 | argsStart = s; | |
760 | for (;;) | |
761 | { | |
762 | opcode = insn->match; | |
763 | memset (&the_insn, '\0', sizeof (the_insn)); | |
428d312b | 764 | the_insn.reloc = BFD_RELOC_NONE; |
355afbcd KR |
765 | |
766 | /* | |
8fc0776d JW |
767 | * Build the opcode, checking as we go to make |
768 | * sure that the operands match | |
769 | */ | |
355afbcd KR |
770 | for (args = insn->args;; ++args) |
771 | { | |
772 | switch (*args) | |
773 | { | |
680227f3 | 774 | #ifndef NO_V9 |
355afbcd KR |
775 | case 'K': |
776 | { | |
7766838e | 777 | int kmask = 0; |
ed9638af KR |
778 | int i; |
779 | ||
780 | /* Parse a series of masks. */ | |
781 | if (*s == '#') | |
355afbcd | 782 | { |
ed9638af | 783 | while (*s == '#') |
355afbcd | 784 | { |
ed9638af KR |
785 | ++s; |
786 | for (i = 0; i < MEMBAR_MASKS_SIZE; i++) | |
787 | if (!strncmp (s, membar_masks[i].name, | |
788 | membar_masks[i].len)) | |
789 | break; | |
790 | if (i < MEMBAR_MASKS_SIZE) | |
791 | { | |
7766838e | 792 | kmask |= membar_masks[i].mask; |
ed9638af KR |
793 | s += membar_masks[i].len; |
794 | } | |
795 | else | |
796 | { | |
797 | error_message = ": invalid membar mask name"; | |
798 | goto error; | |
799 | } | |
800 | if (*s == '|') | |
801 | ++s; | |
355afbcd | 802 | } |
ed9638af | 803 | } |
c999fd9f | 804 | else |
ed9638af | 805 | { |
c999fd9f KR |
806 | expressionS exp; |
807 | char *hold; | |
9b2fd75b | 808 | char *send; |
ed9638af | 809 | |
c999fd9f KR |
810 | hold = input_line_pointer; |
811 | input_line_pointer = s; | |
812 | expression (&exp); | |
813 | send = input_line_pointer; | |
814 | input_line_pointer = hold; | |
815 | ||
816 | kmask = exp.X_add_number; | |
817 | if (exp.X_op != O_constant | |
818 | || kmask < 0 | |
819 | || kmask > 127) | |
ed9638af KR |
820 | { |
821 | error_message = ": invalid membar mask number"; | |
822 | goto error; | |
355afbcd | 823 | } |
c999fd9f | 824 | |
9b2fd75b | 825 | s = send; |
355afbcd | 826 | } |
c999fd9f | 827 | |
7766838e | 828 | opcode |= SIMM13 (kmask); |
355afbcd KR |
829 | continue; |
830 | } | |
831 | ||
832 | case '*': | |
ed9638af KR |
833 | { |
834 | int prefetch_fcn = 0; | |
355afbcd | 835 | |
ed9638af KR |
836 | /* Parse a prefetch function. */ |
837 | if (*s == '#') | |
838 | { | |
839 | s += 1; | |
840 | if (!strncmp (s, "n_reads", 7)) | |
841 | prefetch_fcn = 0, s += 7; | |
842 | else if (!strncmp (s, "one_read", 8)) | |
843 | prefetch_fcn = 1, s += 8; | |
844 | else if (!strncmp (s, "n_writes", 8)) | |
845 | prefetch_fcn = 2, s += 8; | |
846 | else if (!strncmp (s, "one_write", 9)) | |
847 | prefetch_fcn = 3, s += 9; | |
848 | else if (!strncmp (s, "page", 4)) | |
849 | prefetch_fcn = 4, s += 4; | |
850 | else | |
851 | { | |
852 | error_message = ": invalid prefetch function name"; | |
853 | goto error; | |
854 | } | |
855 | } | |
856 | else if (isdigit (*s)) | |
857 | { | |
858 | while (isdigit (*s)) | |
859 | { | |
860 | prefetch_fcn = prefetch_fcn * 10 + *s - '0'; | |
861 | ++s; | |
862 | } | |
863 | ||
864 | if (prefetch_fcn < 0 || prefetch_fcn > 31) | |
865 | { | |
866 | error_message = ": invalid prefetch function number"; | |
867 | goto error; | |
868 | } | |
869 | } | |
870 | else | |
871 | { | |
872 | error_message = ": unrecognizable prefetch function"; | |
873 | goto error; | |
874 | } | |
875 | opcode |= RD (prefetch_fcn); | |
876 | continue; | |
877 | } | |
355afbcd KR |
878 | |
879 | case '!': | |
880 | case '?': | |
881 | /* Parse a privileged register. */ | |
882 | if (*s == '%') | |
883 | { | |
884 | struct priv_reg_entry *p = priv_reg_table; | |
7766838e | 885 | unsigned int len = 9999999; /* init to make gcc happy */ |
355afbcd KR |
886 | |
887 | s += 1; | |
888 | while (p->name[0] > s[0]) | |
889 | p++; | |
890 | while (p->name[0] == s[0]) | |
891 | { | |
892 | len = strlen (p->name); | |
893 | if (strncmp (p->name, s, len) == 0) | |
894 | break; | |
895 | p++; | |
896 | } | |
897 | if (p->name[0] != s[0]) | |
898 | { | |
ed9638af | 899 | error_message = ": unrecognizable privileged register"; |
355afbcd KR |
900 | goto error; |
901 | } | |
902 | if (*args == '?') | |
903 | opcode |= (p->regnum << 14); | |
904 | else | |
905 | opcode |= (p->regnum << 25); | |
906 | s += len; | |
907 | continue; | |
908 | } | |
909 | else | |
910 | { | |
ed9638af | 911 | error_message = ": unrecognizable privileged register"; |
355afbcd KR |
912 | goto error; |
913 | } | |
914 | #endif | |
680227f3 | 915 | |
355afbcd KR |
916 | case 'M': |
917 | case 'm': | |
918 | if (strncmp (s, "%asr", 4) == 0) | |
919 | { | |
920 | s += 4; | |
680227f3 | 921 | |
355afbcd KR |
922 | if (isdigit (*s)) |
923 | { | |
924 | long num = 0; | |
925 | ||
926 | while (isdigit (*s)) | |
927 | { | |
928 | num = num * 10 + *s - '0'; | |
929 | ++s; | |
930 | } | |
931 | ||
932 | if (num < 16 || 31 < num) | |
933 | { | |
934 | error_message = ": asr number must be between 15 and 31"; | |
935 | goto error; | |
936 | } /* out of range */ | |
937 | ||
938 | opcode |= (*args == 'M' ? RS1 (num) : RD (num)); | |
939 | continue; | |
940 | } | |
941 | else | |
942 | { | |
943 | error_message = ": expecting %asrN"; | |
944 | goto error; | |
945 | } /* if %asr followed by a number. */ | |
946 | ||
947 | } /* if %asr */ | |
948 | break; | |
949 | ||
355afbcd KR |
950 | #ifndef NO_V9 |
951 | case 'I': | |
125f0b0d | 952 | the_insn.reloc = BFD_RELOC_SPARC_11; |
355afbcd KR |
953 | immediate_max = 0x03FF; |
954 | goto immediate; | |
955 | ||
956 | case 'j': | |
125f0b0d | 957 | the_insn.reloc = BFD_RELOC_SPARC_10; |
355afbcd KR |
958 | immediate_max = 0x01FF; |
959 | goto immediate; | |
960 | ||
961 | case 'k': | |
125f0b0d | 962 | the_insn.reloc = /* RELOC_WDISP2_14 */ BFD_RELOC_SPARC_WDISP16; |
355afbcd KR |
963 | the_insn.pcrel = 1; |
964 | goto immediate; | |
965 | ||
966 | case 'G': | |
125f0b0d | 967 | the_insn.reloc = BFD_RELOC_SPARC_WDISP19; |
355afbcd KR |
968 | the_insn.pcrel = 1; |
969 | goto immediate; | |
970 | ||
971 | case 'N': | |
972 | if (*s == 'p' && s[1] == 'n') | |
973 | { | |
974 | s += 2; | |
975 | continue; | |
976 | } | |
977 | break; | |
978 | ||
979 | case 'T': | |
980 | if (*s == 'p' && s[1] == 't') | |
981 | { | |
982 | s += 2; | |
983 | continue; | |
984 | } | |
985 | break; | |
986 | ||
987 | case 'z': | |
988 | if (*s == ' ') | |
989 | { | |
990 | ++s; | |
991 | } | |
0d44b3d1 | 992 | if (strncmp (s, "%icc", 4) == 0) |
355afbcd | 993 | { |
0d44b3d1 | 994 | s += 4; |
355afbcd KR |
995 | continue; |
996 | } | |
997 | break; | |
998 | ||
999 | case 'Z': | |
1000 | if (*s == ' ') | |
1001 | { | |
1002 | ++s; | |
1003 | } | |
0d44b3d1 | 1004 | if (strncmp (s, "%xcc", 4) == 0) |
355afbcd | 1005 | { |
0d44b3d1 | 1006 | s += 4; |
355afbcd KR |
1007 | continue; |
1008 | } | |
1009 | break; | |
1010 | ||
1011 | case '6': | |
1012 | if (*s == ' ') | |
1013 | { | |
1014 | ++s; | |
1015 | } | |
0d44b3d1 | 1016 | if (strncmp (s, "%fcc0", 5) == 0) |
355afbcd | 1017 | { |
0d44b3d1 | 1018 | s += 5; |
355afbcd KR |
1019 | continue; |
1020 | } | |
1021 | break; | |
1022 | ||
1023 | case '7': | |
1024 | if (*s == ' ') | |
1025 | { | |
1026 | ++s; | |
1027 | } | |
0d44b3d1 | 1028 | if (strncmp (s, "%fcc1", 5) == 0) |
355afbcd | 1029 | { |
0d44b3d1 | 1030 | s += 5; |
355afbcd KR |
1031 | continue; |
1032 | } | |
1033 | break; | |
1034 | ||
1035 | case '8': | |
1036 | if (*s == ' ') | |
1037 | { | |
1038 | ++s; | |
1039 | } | |
0d44b3d1 | 1040 | if (strncmp (s, "%fcc2", 5) == 0) |
355afbcd | 1041 | { |
0d44b3d1 | 1042 | s += 5; |
355afbcd KR |
1043 | continue; |
1044 | } | |
1045 | break; | |
1046 | ||
1047 | case '9': | |
1048 | if (*s == ' ') | |
1049 | { | |
1050 | ++s; | |
1051 | } | |
0d44b3d1 | 1052 | if (strncmp (s, "%fcc3", 5) == 0) |
355afbcd | 1053 | { |
0d44b3d1 | 1054 | s += 5; |
355afbcd KR |
1055 | continue; |
1056 | } | |
1057 | break; | |
1058 | ||
1059 | case 'P': | |
1060 | if (strncmp (s, "%pc", 3) == 0) | |
1061 | { | |
1062 | s += 3; | |
1063 | continue; | |
1064 | } | |
1065 | break; | |
1066 | ||
1067 | case 'W': | |
1068 | if (strncmp (s, "%tick", 5) == 0) | |
1069 | { | |
1070 | s += 5; | |
1071 | continue; | |
1072 | } | |
1073 | break; | |
1074 | #endif /* NO_V9 */ | |
355afbcd KR |
1075 | |
1076 | case '\0': /* end of args */ | |
1077 | if (*s == '\0') | |
1078 | { | |
1079 | match = 1; | |
1080 | } | |
1081 | break; | |
1082 | ||
1083 | case '+': | |
1084 | if (*s == '+') | |
1085 | { | |
1086 | ++s; | |
1087 | continue; | |
1088 | } | |
1089 | if (*s == '-') | |
1090 | { | |
1091 | continue; | |
1092 | } | |
1093 | break; | |
1094 | ||
1095 | case '[': /* these must match exactly */ | |
1096 | case ']': | |
1097 | case ',': | |
1098 | case ' ': | |
1099 | if (*s++ == *args) | |
1100 | continue; | |
1101 | break; | |
1102 | ||
1103 | case '#': /* must be at least one digit */ | |
1104 | if (isdigit (*s++)) | |
1105 | { | |
1106 | while (isdigit (*s)) | |
1107 | { | |
1108 | ++s; | |
1109 | } | |
1110 | continue; | |
1111 | } | |
1112 | break; | |
1113 | ||
1114 | case 'C': /* coprocessor state register */ | |
1115 | if (strncmp (s, "%csr", 4) == 0) | |
1116 | { | |
1117 | s += 4; | |
1118 | continue; | |
1119 | } | |
1120 | break; | |
1121 | ||
1122 | case 'b': /* next operand is a coprocessor register */ | |
1123 | case 'c': | |
1124 | case 'D': | |
1125 | if (*s++ == '%' && *s++ == 'c' && isdigit (*s)) | |
1126 | { | |
1127 | mask = *s++; | |
1128 | if (isdigit (*s)) | |
1129 | { | |
1130 | mask = 10 * (mask - '0') + (*s++ - '0'); | |
1131 | if (mask >= 32) | |
1132 | { | |
1133 | break; | |
1134 | } | |
1135 | } | |
1136 | else | |
1137 | { | |
1138 | mask -= '0'; | |
1139 | } | |
1140 | switch (*args) | |
1141 | { | |
1142 | ||
1143 | case 'b': | |
1144 | opcode |= mask << 14; | |
1145 | continue; | |
1146 | ||
1147 | case 'c': | |
1148 | opcode |= mask; | |
1149 | continue; | |
1150 | ||
1151 | case 'D': | |
1152 | opcode |= mask << 25; | |
1153 | continue; | |
1154 | } | |
1155 | } | |
1156 | break; | |
1157 | ||
1158 | case 'r': /* next operand must be a register */ | |
1159 | case '1': | |
1160 | case '2': | |
1161 | case 'd': | |
1162 | if (*s++ == '%') | |
1163 | { | |
1164 | switch (c = *s++) | |
1165 | { | |
1166 | ||
1167 | case 'f': /* frame pointer */ | |
1168 | if (*s++ == 'p') | |
1169 | { | |
1170 | mask = 0x1e; | |
1171 | break; | |
1172 | } | |
1173 | goto error; | |
1174 | ||
1175 | case 'g': /* global register */ | |
1176 | if (isoctal (c = *s++)) | |
1177 | { | |
1178 | mask = c - '0'; | |
1179 | break; | |
1180 | } | |
1181 | goto error; | |
1182 | ||
1183 | case 'i': /* in register */ | |
1184 | if (isoctal (c = *s++)) | |
1185 | { | |
1186 | mask = c - '0' + 24; | |
1187 | break; | |
1188 | } | |
1189 | goto error; | |
1190 | ||
1191 | case 'l': /* local register */ | |
1192 | if (isoctal (c = *s++)) | |
1193 | { | |
1194 | mask = (c - '0' + 16); | |
1195 | break; | |
1196 | } | |
1197 | goto error; | |
1198 | ||
1199 | case 'o': /* out register */ | |
1200 | if (isoctal (c = *s++)) | |
1201 | { | |
1202 | mask = (c - '0' + 8); | |
1203 | break; | |
1204 | } | |
1205 | goto error; | |
1206 | ||
1207 | case 's': /* stack pointer */ | |
1208 | if (*s++ == 'p') | |
1209 | { | |
1210 | mask = 0xe; | |
1211 | break; | |
1212 | } | |
1213 | goto error; | |
1214 | ||
1215 | case 'r': /* any register */ | |
1216 | if (!isdigit (c = *s++)) | |
1217 | { | |
1218 | goto error; | |
1219 | } | |
1220 | /* FALLTHROUGH */ | |
1221 | case '0': | |
1222 | case '1': | |
1223 | case '2': | |
1224 | case '3': | |
1225 | case '4': | |
1226 | case '5': | |
1227 | case '6': | |
1228 | case '7': | |
1229 | case '8': | |
1230 | case '9': | |
1231 | if (isdigit (*s)) | |
1232 | { | |
1233 | if ((c = 10 * (c - '0') + (*s++ - '0')) >= 32) | |
680227f3 | 1234 | { |
680227f3 KR |
1235 | goto error; |
1236 | } | |
355afbcd KR |
1237 | } |
1238 | else | |
1239 | { | |
1240 | c -= '0'; | |
1241 | } | |
1242 | mask = c; | |
1243 | break; | |
1244 | ||
1245 | default: | |
1246 | goto error; | |
1247 | } | |
1248 | /* | |
680227f3 KR |
1249 | * Got the register, now figure out where |
1250 | * it goes in the opcode. | |
1251 | */ | |
355afbcd KR |
1252 | switch (*args) |
1253 | { | |
1254 | ||
1255 | case '1': | |
1256 | opcode |= mask << 14; | |
1257 | continue; | |
1258 | ||
1259 | case '2': | |
1260 | opcode |= mask; | |
1261 | continue; | |
1262 | ||
1263 | case 'd': | |
1264 | opcode |= mask << 25; | |
1265 | continue; | |
1266 | ||
1267 | case 'r': | |
1268 | opcode |= (mask << 25) | (mask << 14); | |
1269 | continue; | |
1270 | } | |
1271 | } | |
1272 | break; | |
1273 | ||
1274 | case 'e': /* next operand is a floating point register */ | |
1275 | case 'v': | |
1276 | case 'V': | |
1277 | ||
1278 | case 'f': | |
1279 | case 'B': | |
1280 | case 'R': | |
1281 | ||
1282 | case 'g': | |
1283 | case 'H': | |
1284 | case 'J': | |
1285 | { | |
1286 | char format; | |
1287 | ||
1288 | if (*s++ == '%' | |
355afbcd | 1289 | && ((format = *s) == 'f') |
355afbcd KR |
1290 | && isdigit (*++s)) |
1291 | { | |
355afbcd KR |
1292 | for (mask = 0; isdigit (*s); ++s) |
1293 | { | |
1294 | mask = 10 * mask + (*s - '0'); | |
1295 | } /* read the number */ | |
1296 | ||
1297 | if ((*args == 'v' | |
1298 | || *args == 'B' | |
1299 | || *args == 'H') | |
1300 | && (mask & 1)) | |
1301 | { | |
1302 | break; | |
1303 | } /* register must be even numbered */ | |
1304 | ||
1305 | if ((*args == 'V' | |
1306 | || *args == 'R' | |
1307 | || *args == 'J') | |
1308 | && (mask & 3)) | |
1309 | { | |
1310 | break; | |
1311 | } /* register must be multiple of 4 */ | |
1312 | ||
a79c6033 | 1313 | #ifndef NO_V9 |
125f0b0d | 1314 | if (mask >= 64) |
355afbcd | 1315 | { |
125f0b0d KR |
1316 | error_message = ": There are only 64 f registers; [0-63]"; |
1317 | goto error; | |
1318 | } /* on error */ | |
1319 | if (mask >= 32) | |
1320 | { | |
1321 | mask -= 31; | |
1322 | } /* wrap high bit */ | |
1323 | #else | |
125f0b0d KR |
1324 | if (mask >= 32) |
1325 | { | |
1326 | error_message = ": There are only 32 f registers; [0-31]"; | |
1327 | goto error; | |
1328 | } /* on error */ | |
125f0b0d | 1329 | #endif |
125f0b0d KR |
1330 | } |
1331 | else | |
1332 | { | |
1333 | break; | |
1334 | } /* if not an 'f' register. */ | |
355afbcd KR |
1335 | |
1336 | switch (*args) | |
1337 | { | |
1338 | ||
1339 | case 'v': | |
1340 | case 'V': | |
1341 | case 'e': | |
1342 | opcode |= RS1 (mask); | |
1343 | continue; | |
1344 | ||
1345 | ||
1346 | case 'f': | |
1347 | case 'B': | |
1348 | case 'R': | |
1349 | opcode |= RS2 (mask); | |
1350 | continue; | |
1351 | ||
1352 | case 'g': | |
1353 | case 'H': | |
1354 | case 'J': | |
1355 | opcode |= RD (mask); | |
1356 | continue; | |
1357 | } /* pack it in. */ | |
1358 | ||
1359 | know (0); | |
1360 | break; | |
1361 | } /* float arg */ | |
1362 | ||
1363 | case 'F': | |
1364 | if (strncmp (s, "%fsr", 4) == 0) | |
1365 | { | |
1366 | s += 4; | |
1367 | continue; | |
1368 | } | |
1369 | break; | |
1370 | ||
1371 | case 'h': /* high 22 bits */ | |
428d312b | 1372 | the_insn.reloc = BFD_RELOC_HI22; |
355afbcd KR |
1373 | goto immediate; |
1374 | ||
1375 | case 'l': /* 22 bit PC relative immediate */ | |
428d312b | 1376 | the_insn.reloc = BFD_RELOC_SPARC_WDISP22; |
355afbcd KR |
1377 | the_insn.pcrel = 1; |
1378 | goto immediate; | |
1379 | ||
1380 | case 'L': /* 30 bit immediate */ | |
428d312b | 1381 | the_insn.reloc = BFD_RELOC_32_PCREL_S2; |
355afbcd KR |
1382 | the_insn.pcrel = 1; |
1383 | goto immediate; | |
1384 | ||
1385 | case 'n': /* 22 bit immediate */ | |
428d312b | 1386 | the_insn.reloc = BFD_RELOC_SPARC22; |
355afbcd KR |
1387 | goto immediate; |
1388 | ||
1389 | case 'i': /* 13 bit immediate */ | |
7ab2e983 | 1390 | the_insn.reloc = BFD_RELOC_SPARC13; |
355afbcd KR |
1391 | immediate_max = 0x0FFF; |
1392 | ||
1393 | /*FALLTHROUGH */ | |
1394 | ||
1395 | immediate: | |
1396 | if (*s == ' ') | |
1397 | s++; | |
1398 | if (*s == '%') | |
1399 | { | |
1400 | if ((c = s[1]) == 'h' && s[2] == 'i') | |
1401 | { | |
428d312b | 1402 | the_insn.reloc = BFD_RELOC_HI22; |
355afbcd KR |
1403 | s += 3; |
1404 | } | |
1405 | else if (c == 'l' && s[2] == 'o') | |
1406 | { | |
428d312b | 1407 | the_insn.reloc = BFD_RELOC_LO10; |
355afbcd | 1408 | s += 3; |
355afbcd | 1409 | } |
9b6a882e | 1410 | #ifndef NO_V9 |
355afbcd KR |
1411 | else if (c == 'u' |
1412 | && s[2] == 'h' | |
1413 | && s[3] == 'i') | |
1414 | { | |
125f0b0d | 1415 | the_insn.reloc = BFD_RELOC_SPARC_HH22; |
355afbcd | 1416 | s += 4; |
355afbcd KR |
1417 | } |
1418 | else if (c == 'u' | |
1419 | && s[2] == 'l' | |
1420 | && s[3] == 'o') | |
1421 | { | |
125f0b0d | 1422 | the_insn.reloc = BFD_RELOC_SPARC_HM10; |
355afbcd | 1423 | s += 4; |
355afbcd | 1424 | } |
9b6a882e | 1425 | #endif /* NO_V9 */ |
355afbcd KR |
1426 | else |
1427 | break; | |
1428 | } | |
9b6a882e KR |
1429 | /* Note that if the getExpression() fails, we will still |
1430 | have created U entries in the symbol table for the | |
1431 | 'symbols' in the input string. Try not to create U | |
1432 | symbols for registers, etc. */ | |
355afbcd | 1433 | { |
9b6a882e KR |
1434 | /* This stuff checks to see if the expression ends in |
1435 | +%reg. If it does, it removes the register from | |
1436 | the expression, and re-sets 's' to point to the | |
1437 | right place. */ | |
355afbcd KR |
1438 | |
1439 | char *s1; | |
1440 | ||
1441 | for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++);; | |
1442 | ||
1443 | if (s1 != s && isdigit (s1[-1])) | |
1444 | { | |
1445 | if (s1[-2] == '%' && s1[-3] == '+') | |
1446 | { | |
1447 | s1 -= 3; | |
1448 | *s1 = '\0'; | |
1449 | (void) getExpression (s); | |
1450 | *s1 = '+'; | |
1451 | s = s1; | |
1452 | continue; | |
1453 | } | |
1454 | else if (strchr ("goli0123456789", s1[-2]) && s1[-3] == '%' && s1[-4] == '+') | |
1455 | { | |
1456 | s1 -= 4; | |
1457 | *s1 = '\0'; | |
1458 | (void) getExpression (s); | |
1459 | *s1 = '+'; | |
1460 | s = s1; | |
1461 | continue; | |
1462 | } | |
1463 | } | |
1464 | } | |
1465 | (void) getExpression (s); | |
1466 | s = expr_end; | |
1467 | ||
9b6a882e KR |
1468 | if (the_insn.exp.X_op == O_constant |
1469 | && the_insn.exp.X_add_symbol == 0 | |
1470 | && the_insn.exp.X_op_symbol == 0) | |
1471 | { | |
0cef0e20 | 1472 | #ifndef NO_V9 |
7ab2e983 ILT |
1473 | /* Handle %uhi/%ulo by moving the upper word to the lower |
1474 | one and pretending it's %hi/%lo. We also need to watch | |
1475 | for %hi/%lo: the top word needs to be zeroed otherwise | |
1476 | fixup_segment will complain the value is too big. */ | |
9b6a882e KR |
1477 | switch (the_insn.reloc) |
1478 | { | |
1479 | case BFD_RELOC_SPARC_HH22: | |
1480 | the_insn.reloc = BFD_RELOC_HI22; | |
5e0a90a8 | 1481 | the_insn.exp.X_add_number = BSR (the_insn.exp.X_add_number, 32); |
9b6a882e KR |
1482 | break; |
1483 | case BFD_RELOC_SPARC_HM10: | |
1484 | the_insn.reloc = BFD_RELOC_LO10; | |
5e0a90a8 | 1485 | the_insn.exp.X_add_number = BSR (the_insn.exp.X_add_number, 32); |
9b6a882e | 1486 | break; |
c999fd9f KR |
1487 | default: |
1488 | break; | |
7ab2e983 ILT |
1489 | case BFD_RELOC_HI22: |
1490 | case BFD_RELOC_LO10: | |
1491 | the_insn.exp.X_add_number &= 0xffffffff; | |
1492 | break; | |
9b6a882e | 1493 | } |
0cef0e20 | 1494 | #endif |
7ab2e983 ILT |
1495 | /* For pc-relative call instructions, we reject |
1496 | constants to get better code. */ | |
1497 | if (the_insn.pcrel | |
1498 | && the_insn.reloc == BFD_RELOC_32_PCREL_S2 | |
1499 | && in_signed_range (the_insn.exp.X_add_number, 0x3fff) | |
1500 | ) | |
1501 | { | |
1502 | error_message = ": PC-relative operand can't be a constant"; | |
1503 | goto error; | |
1504 | } | |
9b6a882e KR |
1505 | /* Check for invalid constant values. Don't warn if |
1506 | constant was inside %hi or %lo, since these | |
1507 | truncate the constant to fit. */ | |
1508 | if (immediate_max != 0 | |
1509 | && the_insn.reloc != BFD_RELOC_LO10 | |
1510 | && the_insn.reloc != BFD_RELOC_HI22 | |
7ab2e983 ILT |
1511 | && !in_signed_range (the_insn.exp.X_add_number, |
1512 | immediate_max) | |
1513 | ) | |
1514 | { | |
1515 | if (the_insn.pcrel) | |
1516 | /* Who knows? After relocation, we may be within | |
1517 | range. Let the linker figure it out. */ | |
1518 | { | |
1519 | the_insn.exp.X_op = O_symbol; | |
1520 | the_insn.exp.X_add_symbol = section_symbol (absolute_section); | |
1521 | } | |
1522 | else | |
1523 | /* Immediate value is non-pcrel, and out of | |
1524 | range. */ | |
1525 | as_bad ("constant value %ld out of range (%ld .. %ld)", | |
1526 | the_insn.exp.X_add_number, | |
1527 | ~immediate_max, immediate_max); | |
1528 | } | |
9b6a882e KR |
1529 | } |
1530 | ||
355afbcd KR |
1531 | /* Reset to prevent extraneous range check. */ |
1532 | immediate_max = 0; | |
1533 | ||
1534 | continue; | |
1535 | ||
1536 | case 'a': | |
1537 | if (*s++ == 'a') | |
1538 | { | |
1539 | opcode |= ANNUL; | |
1540 | continue; | |
1541 | } | |
1542 | break; | |
1543 | ||
1544 | case 'A': | |
1545 | { | |
ed9638af KR |
1546 | int asi = 0; |
1547 | ||
1548 | /* Parse an asi. */ | |
1549 | if (*s == '#') | |
1550 | { | |
593d18d3 DE |
1551 | char c, *p; |
1552 | ||
1553 | for (p = s + 1; isalpha (*p) || *p == '_'; ++p) | |
1554 | continue; | |
1555 | c = *p; | |
1556 | *p = 0; | |
1557 | asi = sparc_encode_asi (s); | |
1558 | *p = c; | |
1559 | if (asi == -1) | |
ed9638af KR |
1560 | { |
1561 | error_message = ": invalid asi name"; | |
1562 | goto error; | |
1563 | } | |
593d18d3 | 1564 | s = p; |
ed9638af | 1565 | } |
a7aa7a2b | 1566 | else |
ed9638af KR |
1567 | { |
1568 | char *push = input_line_pointer; | |
a7aa7a2b | 1569 | expressionS e; |
ed9638af | 1570 | input_line_pointer = s; |
a7aa7a2b ILT |
1571 | |
1572 | expression (&e); | |
1573 | if (e.X_op != O_constant) | |
1574 | { | |
1575 | error_message = ": constant required for ASI"; | |
1576 | goto error; | |
1577 | } | |
1578 | asi = e.X_add_number; | |
ed9638af KR |
1579 | s = input_line_pointer; |
1580 | input_line_pointer = push; | |
1581 | ||
1582 | if (asi < 0 || asi > 255) | |
1583 | { | |
1584 | error_message = ": invalid asi number"; | |
1585 | goto error; | |
1586 | } | |
1587 | } | |
ed9638af KR |
1588 | opcode |= ASI (asi); |
1589 | continue; | |
355afbcd KR |
1590 | } /* alternate space */ |
1591 | ||
1592 | case 'p': | |
1593 | if (strncmp (s, "%psr", 4) == 0) | |
1594 | { | |
1595 | s += 4; | |
1596 | continue; | |
1597 | } | |
1598 | break; | |
1599 | ||
1600 | case 'q': /* floating point queue */ | |
1601 | if (strncmp (s, "%fq", 3) == 0) | |
1602 | { | |
1603 | s += 3; | |
1604 | continue; | |
1605 | } | |
1606 | break; | |
1607 | ||
1608 | case 'Q': /* coprocessor queue */ | |
1609 | if (strncmp (s, "%cq", 3) == 0) | |
1610 | { | |
1611 | s += 3; | |
1612 | continue; | |
1613 | } | |
1614 | break; | |
1615 | ||
1616 | case 'S': | |
1617 | if (strcmp (str, "set") == 0) | |
1618 | { | |
1619 | special_case = SPECIAL_CASE_SET; | |
1620 | continue; | |
1621 | } | |
1622 | else if (strncmp (str, "fdiv", 4) == 0) | |
1623 | { | |
1624 | special_case = SPECIAL_CASE_FDIV; | |
1625 | continue; | |
1626 | } | |
1627 | break; | |
1628 | ||
680227f3 | 1629 | #ifndef NO_V9 |
355afbcd KR |
1630 | case 'o': |
1631 | if (strncmp (s, "%asi", 4) != 0) | |
1632 | break; | |
1633 | s += 4; | |
1634 | continue; | |
1635 | ||
1636 | case 's': | |
1637 | if (strncmp (s, "%fprs", 5) != 0) | |
1638 | break; | |
1639 | s += 5; | |
1640 | continue; | |
1641 | ||
1642 | case 'E': | |
1643 | if (strncmp (s, "%ccr", 4) != 0) | |
1644 | break; | |
1645 | s += 4; | |
1646 | continue; | |
680227f3 | 1647 | #endif /* NO_V9 */ |
680227f3 | 1648 | |
355afbcd KR |
1649 | case 't': |
1650 | if (strncmp (s, "%tbr", 4) != 0) | |
1651 | break; | |
1652 | s += 4; | |
1653 | continue; | |
1654 | ||
1655 | case 'w': | |
1656 | if (strncmp (s, "%wim", 4) != 0) | |
1657 | break; | |
1658 | s += 4; | |
1659 | continue; | |
1660 | ||
5e0a90a8 KR |
1661 | #ifndef NO_V9 |
1662 | case 'x': | |
1663 | { | |
1664 | char *push = input_line_pointer; | |
1665 | expressionS e; | |
1666 | ||
1667 | input_line_pointer = s; | |
1668 | expression (&e); | |
1669 | if (e.X_op == O_constant) | |
1670 | { | |
1671 | int n = e.X_add_number; | |
1672 | if (n != e.X_add_number || (n & ~0x1ff) != 0) | |
1673 | as_bad ("OPF immediate operand out of range (0-0x1ff)"); | |
1674 | else | |
1675 | opcode |= e.X_add_number << 5; | |
1676 | } | |
1677 | else | |
1678 | as_bad ("non-immediate OPF operand, ignored"); | |
1679 | s = input_line_pointer; | |
1680 | input_line_pointer = push; | |
1681 | continue; | |
1682 | } | |
1683 | #endif | |
1684 | ||
355afbcd KR |
1685 | case 'y': |
1686 | if (strncmp (s, "%y", 2) != 0) | |
1687 | break; | |
1688 | s += 2; | |
1689 | continue; | |
1690 | ||
1691 | default: | |
1692 | as_fatal ("failed sanity check."); | |
1693 | } /* switch on arg code */ | |
1694 | break; | |
1695 | } /* for each arg that we expect */ | |
1696 | error: | |
1697 | if (match == 0) | |
1698 | { | |
1699 | /* Args don't match. */ | |
1700 | if (((unsigned) (&insn[1] - sparc_opcodes)) < NUMOPCODES | |
a7aa7a2b ILT |
1701 | && (insn->name == insn[1].name |
1702 | || !strcmp (insn->name, insn[1].name))) | |
355afbcd KR |
1703 | { |
1704 | ++insn; | |
1705 | s = argsStart; | |
1706 | continue; | |
1707 | } | |
1708 | else | |
1709 | { | |
1710 | as_bad ("Illegal operands%s", error_message); | |
1711 | return; | |
1712 | } | |
1713 | } | |
1714 | else | |
1715 | { | |
5e0a90a8 KR |
1716 | if (insn->architecture > current_architecture |
1717 | || (insn->architecture != current_architecture | |
1718 | && current_architecture > v8)) | |
355afbcd KR |
1719 | { |
1720 | if ((!architecture_requested || warn_on_bump) | |
5e0a90a8 KR |
1721 | && !ARCHITECTURES_CONFLICT_P (current_architecture, |
1722 | insn->architecture) | |
1723 | && !ARCHITECTURES_CONFLICT_P (insn->architecture, | |
1724 | current_architecture)) | |
355afbcd KR |
1725 | { |
1726 | if (warn_on_bump) | |
1727 | { | |
1728 | as_warn ("architecture bumped from \"%s\" to \"%s\" on \"%s\"", | |
1729 | architecture_pname[current_architecture], | |
1730 | architecture_pname[insn->architecture], | |
1731 | str); | |
1732 | } /* if warning */ | |
fecd2382 | 1733 | |
355afbcd KR |
1734 | current_architecture = insn->architecture; |
1735 | } | |
1736 | else | |
1737 | { | |
5e0a90a8 KR |
1738 | as_bad ("Architecture mismatch on \"%s\".", str); |
1739 | as_tsktsk (" (Requires %s; current architecture is %s.)", | |
1740 | architecture_pname[insn->architecture], | |
1741 | architecture_pname[current_architecture]); | |
355afbcd KR |
1742 | return; |
1743 | } /* if bump ok else error */ | |
1744 | } /* if architecture higher */ | |
1745 | } /* if no match */ | |
1746 | ||
1747 | break; | |
1748 | } /* forever looking for a match */ | |
1749 | ||
1750 | the_insn.opcode = opcode; | |
c999fd9f | 1751 | } |
355afbcd KR |
1752 | |
1753 | static int | |
1754 | getExpression (str) | |
1755 | char *str; | |
fecd2382 | 1756 | { |
355afbcd KR |
1757 | char *save_in; |
1758 | segT seg; | |
1759 | ||
1760 | save_in = input_line_pointer; | |
1761 | input_line_pointer = str; | |
428d312b | 1762 | seg = expression (&the_insn.exp); |
58d4951d ILT |
1763 | if (seg != absolute_section |
1764 | && seg != text_section | |
1765 | && seg != data_section | |
1766 | && seg != bss_section | |
1767 | && seg != undefined_section) | |
355afbcd | 1768 | { |
355afbcd KR |
1769 | the_insn.error = "bad segment"; |
1770 | expr_end = input_line_pointer; | |
1771 | input_line_pointer = save_in; | |
1772 | return 1; | |
1773 | } | |
1774 | expr_end = input_line_pointer; | |
1775 | input_line_pointer = save_in; | |
1776 | return 0; | |
1777 | } /* getExpression() */ | |
fecd2382 RP |
1778 | |
1779 | ||
1780 | /* | |
1781 | This is identical to the md_atof in m68k.c. I think this is right, | |
1782 | but I'm not sure. | |
355afbcd | 1783 | |
fecd2382 RP |
1784 | Turn a string in input_line_pointer into a floating point constant of type |
1785 | type, and store the appropriate bytes in *litP. The number of LITTLENUMS | |
1786 | emitted is stored in *sizeP . An error message is returned, or NULL on OK. | |
1787 | */ | |
1788 | ||
1789 | /* Equal to MAX_PRECISION in atof-ieee.c */ | |
1790 | #define MAX_LITTLENUMS 6 | |
1791 | ||
355afbcd KR |
1792 | char * |
1793 | md_atof (type, litP, sizeP) | |
1794 | char type; | |
1795 | char *litP; | |
1796 | int *sizeP; | |
fecd2382 | 1797 | { |
355afbcd KR |
1798 | int prec; |
1799 | LITTLENUM_TYPE words[MAX_LITTLENUMS]; | |
1800 | LITTLENUM_TYPE *wordP; | |
1801 | char *t; | |
1802 | char *atof_ieee (); | |
1803 | ||
1804 | switch (type) | |
1805 | { | |
1806 | ||
1807 | case 'f': | |
1808 | case 'F': | |
1809 | case 's': | |
1810 | case 'S': | |
1811 | prec = 2; | |
1812 | break; | |
1813 | ||
1814 | case 'd': | |
1815 | case 'D': | |
1816 | case 'r': | |
1817 | case 'R': | |
1818 | prec = 4; | |
1819 | break; | |
1820 | ||
1821 | case 'x': | |
1822 | case 'X': | |
1823 | prec = 6; | |
1824 | break; | |
1825 | ||
1826 | case 'p': | |
1827 | case 'P': | |
1828 | prec = 6; | |
1829 | break; | |
1830 | ||
1831 | default: | |
1832 | *sizeP = 0; | |
1833 | return "Bad call to MD_ATOF()"; | |
1834 | } | |
1835 | t = atof_ieee (input_line_pointer, type, words); | |
1836 | if (t) | |
1837 | input_line_pointer = t; | |
1838 | *sizeP = prec * sizeof (LITTLENUM_TYPE); | |
1839 | for (wordP = words; prec--;) | |
1840 | { | |
125f0b0d | 1841 | md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE)); |
355afbcd KR |
1842 | litP += sizeof (LITTLENUM_TYPE); |
1843 | } | |
ed9638af KR |
1844 | return 0; |
1845 | } | |
fecd2382 RP |
1846 | |
1847 | /* | |
1848 | * Write out big-endian. | |
1849 | */ | |
355afbcd KR |
1850 | void |
1851 | md_number_to_chars (buf, val, n) | |
1852 | char *buf; | |
125f0b0d | 1853 | valueT val; |
355afbcd | 1854 | int n; |
fecd2382 | 1855 | { |
c999fd9f KR |
1856 | number_to_chars_bigendian (buf, val, n); |
1857 | } | |
fecd2382 RP |
1858 | |
1859 | /* Apply a fixS to the frags, now that we know the value it ought to | |
1860 | hold. */ | |
1861 | ||
428d312b | 1862 | int |
428d312b | 1863 | md_apply_fix (fixP, value) |
355afbcd | 1864 | fixS *fixP; |
125f0b0d | 1865 | valueT *value; |
fecd2382 | 1866 | { |
355afbcd | 1867 | char *buf = fixP->fx_where + fixP->fx_frag->fr_literal; |
125f0b0d | 1868 | offsetT val; |
428d312b | 1869 | |
428d312b | 1870 | val = *value; |
355afbcd | 1871 | |
428d312b | 1872 | assert (fixP->fx_r_type < BFD_RELOC_UNUSED); |
355afbcd KR |
1873 | |
1874 | fixP->fx_addnumber = val; /* Remember value for emit_reloc */ | |
1875 | ||
7766838e ILT |
1876 | #ifdef OBJ_ELF |
1877 | /* FIXME: SPARC ELF relocations don't use an addend in the data | |
1878 | field itself. This whole approach should be somehow combined | |
a7aa7a2b ILT |
1879 | with the calls to bfd_perform_relocation. Also, the value passed |
1880 | in by fixup_segment includes the value of a defined symbol. We | |
1881 | don't want to include the value of an externally visible symbol. */ | |
7766838e | 1882 | if (fixP->fx_addsy != NULL) |
a7aa7a2b | 1883 | { |
4c67b523 ILT |
1884 | if ((S_IS_EXTERN (fixP->fx_addsy) |
1885 | || (sparc_pic_code && ! fixP->fx_pcrel)) | |
a7aa7a2b ILT |
1886 | && S_GET_SEGMENT (fixP->fx_addsy) != absolute_section |
1887 | && S_GET_SEGMENT (fixP->fx_addsy) != undefined_section | |
1888 | && ! bfd_is_com_section (S_GET_SEGMENT (fixP->fx_addsy))) | |
1889 | fixP->fx_addnumber -= S_GET_VALUE (fixP->fx_addsy); | |
1890 | return 1; | |
1891 | } | |
7766838e ILT |
1892 | #endif |
1893 | ||
c999fd9f KR |
1894 | /* This is a hack. There should be a better way to |
1895 | handle this. Probably in terms of howto fields, once | |
1896 | we can look at these fixups in terms of howtos. */ | |
428d312b | 1897 | if (fixP->fx_r_type == BFD_RELOC_32_PCREL_S2 && fixP->fx_addsy) |
c999fd9f | 1898 | val += fixP->fx_where + fixP->fx_frag->fr_address; |
355afbcd | 1899 | |
ade614d5 KR |
1900 | #ifdef OBJ_AOUT |
1901 | /* FIXME: More ridiculous gas reloc hacking. If we are going to | |
1902 | generate a reloc, then we just want to let the reloc addend set | |
1903 | the value. We do not want to also stuff the addend into the | |
1904 | object file. Including the addend in the object file works when | |
1905 | doing a static link, because the linker will ignore the object | |
1906 | file contents. However, the dynamic linker does not ignore the | |
1907 | object file contents. */ | |
1908 | if (fixP->fx_addsy != NULL | |
1909 | && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2) | |
1910 | val = 0; | |
4c67b523 ILT |
1911 | |
1912 | /* When generating PIC code, we do not want an addend for a reloc | |
1913 | against a local symbol. We adjust fx_addnumber to cancel out the | |
1914 | value already included in val, and to also cancel out the | |
1915 | adjustment which bfd_install_relocation will create. */ | |
1916 | if (sparc_pic_code | |
1917 | && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2 | |
1918 | && fixP->fx_addsy != NULL | |
1919 | && ! S_IS_COMMON (fixP->fx_addsy) | |
1920 | && (fixP->fx_addsy->bsym->flags & BSF_SECTION_SYM) == 0) | |
1921 | fixP->fx_addnumber -= 2 * S_GET_VALUE (fixP->fx_addsy); | |
ade614d5 KR |
1922 | #endif |
1923 | ||
355afbcd KR |
1924 | switch (fixP->fx_r_type) |
1925 | { | |
58d4951d ILT |
1926 | case BFD_RELOC_16: |
1927 | buf[0] = val >> 8; | |
1928 | buf[1] = val; | |
1929 | break; | |
1930 | ||
428d312b | 1931 | case BFD_RELOC_32: |
92421122 KR |
1932 | buf[0] = val >> 24; |
1933 | buf[1] = val >> 16; | |
1934 | buf[2] = val >> 8; | |
1935 | buf[3] = val; | |
355afbcd KR |
1936 | break; |
1937 | ||
428d312b | 1938 | case BFD_RELOC_32_PCREL_S2: |
4c67b523 ILT |
1939 | val = (val >>= 2); |
1940 | if (! sparc_pic_code | |
1941 | || fixP->fx_addsy == NULL | |
1942 | || (fixP->fx_addsy->bsym->flags & BSF_SECTION_SYM) != 0) | |
1943 | ++val; | |
355afbcd KR |
1944 | buf[0] |= (val >> 24) & 0x3f; |
1945 | buf[1] = (val >> 16); | |
1946 | buf[2] = val >> 8; | |
1947 | buf[3] = val; | |
1948 | break; | |
1949 | ||
839df5c3 | 1950 | #ifndef NO_V9 |
693b21e7 | 1951 | case BFD_RELOC_64: |
5e0a90a8 KR |
1952 | { |
1953 | bfd_vma valh = BSR (val, 32); | |
1954 | buf[0] = valh >> 24; | |
1955 | buf[1] = valh >> 16; | |
1956 | buf[2] = valh >> 8; | |
1957 | buf[3] = valh; | |
1958 | buf[4] = val >> 24; | |
1959 | buf[5] = val >> 16; | |
1960 | buf[6] = val >> 8; | |
1961 | buf[7] = val; | |
1962 | } | |
693b21e7 KR |
1963 | break; |
1964 | ||
125f0b0d | 1965 | case BFD_RELOC_SPARC_11: |
355afbcd KR |
1966 | if (((val > 0) && (val & ~0x7ff)) |
1967 | || ((val < 0) && (~(val - 1) & ~0x7ff))) | |
1968 | { | |
1969 | as_bad ("relocation overflow."); | |
1970 | } /* on overflow */ | |
1971 | ||
1972 | buf[2] |= (val >> 8) & 0x7; | |
1973 | buf[3] = val & 0xff; | |
1974 | break; | |
1975 | ||
125f0b0d | 1976 | case BFD_RELOC_SPARC_10: |
355afbcd KR |
1977 | if (((val > 0) && (val & ~0x3ff)) |
1978 | || ((val < 0) && (~(val - 1) & ~0x3ff))) | |
1979 | { | |
1980 | as_bad ("relocation overflow."); | |
1981 | } /* on overflow */ | |
1982 | ||
1983 | buf[2] |= (val >> 8) & 0x3; | |
1984 | buf[3] = val & 0xff; | |
1985 | break; | |
1986 | ||
125f0b0d | 1987 | case BFD_RELOC_SPARC_WDISP16: |
355afbcd KR |
1988 | if (((val > 0) && (val & ~0x3fffc)) |
1989 | || ((val < 0) && (~(val - 1) & ~0x3fffc))) | |
1990 | { | |
1991 | as_bad ("relocation overflow."); | |
1992 | } /* on overflow */ | |
1993 | ||
1994 | val = (val >>= 2) + 1; | |
8fc0776d | 1995 | buf[1] |= ((val >> 14) & 0x3) << 4; |
355afbcd KR |
1996 | buf[2] |= (val >> 8) & 0x3f; |
1997 | buf[3] = val & 0xff; | |
1998 | break; | |
1999 | ||
125f0b0d | 2000 | case BFD_RELOC_SPARC_WDISP19: |
355afbcd KR |
2001 | if (((val > 0) && (val & ~0x1ffffc)) |
2002 | || ((val < 0) && (~(val - 1) & ~0x1ffffc))) | |
2003 | { | |
2004 | as_bad ("relocation overflow."); | |
2005 | } /* on overflow */ | |
2006 | ||
2007 | val = (val >>= 2) + 1; | |
2008 | buf[1] |= (val >> 16) & 0x7; | |
2009 | buf[2] = (val >> 8) & 0xff; | |
2010 | buf[3] = val & 0xff; | |
2011 | break; | |
2012 | ||
125f0b0d | 2013 | case BFD_RELOC_SPARC_HH22: |
5e0a90a8 | 2014 | val = BSR (val, 32); |
355afbcd | 2015 | /* intentional fallthrough */ |
839df5c3 | 2016 | #endif /* NO_V9 */ |
355afbcd | 2017 | |
125f0b0d KR |
2018 | #ifndef NO_V9 |
2019 | case BFD_RELOC_SPARC_LM22: | |
2020 | #endif | |
428d312b | 2021 | case BFD_RELOC_HI22: |
355afbcd KR |
2022 | if (!fixP->fx_addsy) |
2023 | { | |
2024 | buf[1] |= (val >> 26) & 0x3f; | |
2025 | buf[2] = val >> 18; | |
2026 | buf[3] = val >> 10; | |
2027 | } | |
2028 | else | |
2029 | { | |
2030 | buf[2] = 0; | |
2031 | buf[3] = 0; | |
2032 | } | |
2033 | break; | |
2034 | ||
428d312b | 2035 | case BFD_RELOC_SPARC22: |
355afbcd KR |
2036 | if (val & ~0x003fffff) |
2037 | { | |
2038 | as_bad ("relocation overflow"); | |
2039 | } /* on overflow */ | |
2040 | buf[1] |= (val >> 16) & 0x3f; | |
2041 | buf[2] = val >> 8; | |
2042 | buf[3] = val & 0xff; | |
2043 | break; | |
2044 | ||
9b856b4f | 2045 | #ifndef NO_V9 |
125f0b0d | 2046 | case BFD_RELOC_SPARC_HM10: |
5e0a90a8 | 2047 | val = BSR (val, 32); |
355afbcd | 2048 | /* intentional fallthrough */ |
9b856b4f | 2049 | #endif /* NO_V9 */ |
355afbcd | 2050 | |
428d312b | 2051 | case BFD_RELOC_LO10: |
355afbcd KR |
2052 | if (!fixP->fx_addsy) |
2053 | { | |
2054 | buf[2] |= (val >> 8) & 0x03; | |
2055 | buf[3] = val; | |
2056 | } | |
2057 | else | |
2058 | buf[3] = 0; | |
2059 | break; | |
7ab2e983 ILT |
2060 | |
2061 | case BFD_RELOC_SPARC13: | |
2062 | if (! in_signed_range (val, 0x1fff)) | |
2063 | as_bad ("relocation overflow"); | |
2064 | ||
355afbcd KR |
2065 | buf[2] |= (val >> 8) & 0x1f; |
2066 | buf[3] = val; | |
2067 | break; | |
2068 | ||
428d312b | 2069 | case BFD_RELOC_SPARC_WDISP22: |
5e0a90a8 | 2070 | val = (val >> 2) + 1; |
355afbcd | 2071 | /* FALLTHROUGH */ |
428d312b | 2072 | case BFD_RELOC_SPARC_BASE22: |
355afbcd KR |
2073 | buf[1] |= (val >> 16) & 0x3f; |
2074 | buf[2] = val >> 8; | |
2075 | buf[3] = val; | |
2076 | break; | |
2077 | ||
428d312b | 2078 | case BFD_RELOC_NONE: |
355afbcd | 2079 | default: |
428d312b | 2080 | as_bad ("bad or unhandled relocation type: 0x%02x", fixP->fx_r_type); |
355afbcd KR |
2081 | break; |
2082 | } | |
428d312b | 2083 | |
7ab2e983 ILT |
2084 | /* Are we finished with this relocation now? */ |
2085 | if (fixP->fx_addsy == 0 && !fixP->fx_pcrel) | |
2086 | fixP->fx_done = 1; | |
2087 | ||
428d312b | 2088 | return 1; |
428d312b | 2089 | } |
fecd2382 | 2090 | |
428d312b KR |
2091 | /* Translate internal representation of relocation info to BFD target |
2092 | format. */ | |
2093 | arelent * | |
2094 | tc_gen_reloc (section, fixp) | |
2095 | asection *section; | |
2096 | fixS *fixp; | |
2097 | { | |
2098 | arelent *reloc; | |
2099 | bfd_reloc_code_real_type code; | |
2100 | ||
2101 | reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent)); | |
2102 | assert (reloc != 0); | |
2103 | ||
2104 | reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym; | |
2105 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
428d312b | 2106 | |
428d312b KR |
2107 | switch (fixp->fx_r_type) |
2108 | { | |
58d4951d | 2109 | case BFD_RELOC_16: |
428d312b KR |
2110 | case BFD_RELOC_32: |
2111 | case BFD_RELOC_HI22: | |
2112 | case BFD_RELOC_LO10: | |
2113 | case BFD_RELOC_32_PCREL_S2: | |
7ab2e983 | 2114 | case BFD_RELOC_SPARC13: |
428d312b | 2115 | case BFD_RELOC_SPARC_BASE13: |
a7aa7a2b ILT |
2116 | case BFD_RELOC_SPARC_WDISP16: |
2117 | case BFD_RELOC_SPARC_WDISP19: | |
ed9638af | 2118 | case BFD_RELOC_SPARC_WDISP22: |
693b21e7 | 2119 | case BFD_RELOC_64: |
125f0b0d KR |
2120 | case BFD_RELOC_SPARC_10: |
2121 | case BFD_RELOC_SPARC_11: | |
2122 | case BFD_RELOC_SPARC_HH22: | |
2123 | case BFD_RELOC_SPARC_HM10: | |
2124 | case BFD_RELOC_SPARC_LM22: | |
2125 | case BFD_RELOC_SPARC_PC_HH22: | |
2126 | case BFD_RELOC_SPARC_PC_HM10: | |
2127 | case BFD_RELOC_SPARC_PC_LM22: | |
428d312b KR |
2128 | code = fixp->fx_r_type; |
2129 | break; | |
2130 | default: | |
2131 | abort (); | |
2132 | } | |
4c67b523 ILT |
2133 | |
2134 | #if defined (OBJ_ELF) || defined (OBJ_AOUT) | |
2135 | /* If we are generating PIC code, we need to generate a different | |
2136 | set of relocs. */ | |
2137 | ||
2138 | #ifdef OBJ_ELF | |
2139 | #define GOT_NAME "_GLOBAL_OFFSET_TABLE_" | |
2140 | #else | |
2141 | #define GOT_NAME "__GLOBAL_OFFSET_TABLE_" | |
2142 | #endif | |
2143 | ||
2144 | if (sparc_pic_code) | |
2145 | { | |
2146 | switch (code) | |
2147 | { | |
2148 | case BFD_RELOC_32_PCREL_S2: | |
2149 | if (! S_IS_DEFINED (fixp->fx_addsy) | |
2150 | || S_IS_EXTERNAL (fixp->fx_addsy)) | |
2151 | code = BFD_RELOC_SPARC_WPLT30; | |
2152 | break; | |
2153 | case BFD_RELOC_HI22: | |
2154 | if (fixp->fx_addsy != NULL | |
2155 | && strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0) | |
2156 | code = BFD_RELOC_SPARC_PC22; | |
2157 | else | |
2158 | code = BFD_RELOC_SPARC_GOT22; | |
2159 | break; | |
2160 | case BFD_RELOC_LO10: | |
2161 | if (fixp->fx_addsy != NULL | |
2162 | && strcmp (S_GET_NAME (fixp->fx_addsy), GOT_NAME) == 0) | |
2163 | code = BFD_RELOC_SPARC_PC10; | |
2164 | else | |
2165 | code = BFD_RELOC_SPARC_GOT10; | |
2166 | break; | |
2167 | case BFD_RELOC_SPARC13: | |
2168 | code = BFD_RELOC_SPARC_GOT13; | |
2169 | break; | |
2170 | default: | |
2171 | break; | |
2172 | } | |
2173 | } | |
2174 | #endif /* defined (OBJ_ELF) || defined (OBJ_AOUT) */ | |
2175 | ||
428d312b | 2176 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); |
a7129c48 KR |
2177 | if (reloc->howto == 0) |
2178 | { | |
2179 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
ade614d5 KR |
2180 | "internal error: can't export reloc type %d (`%s')", |
2181 | fixp->fx_r_type, bfd_get_reloc_code_name (code)); | |
a7129c48 KR |
2182 | return 0; |
2183 | } | |
c999fd9f KR |
2184 | |
2185 | /* @@ Why fx_addnumber sometimes and fx_offset other times? */ | |
a7aa7a2b ILT |
2186 | #ifdef OBJ_AOUT |
2187 | ||
4c67b523 ILT |
2188 | if (reloc->howto->pc_relative == 0 |
2189 | || code == BFD_RELOC_SPARC_PC10 | |
2190 | || code == BFD_RELOC_SPARC_PC22) | |
a7aa7a2b ILT |
2191 | reloc->addend = fixp->fx_addnumber; |
2192 | else | |
2193 | reloc->addend = fixp->fx_offset - reloc->address; | |
2194 | ||
2195 | #else /* elf or coff */ | |
2196 | ||
4c67b523 ILT |
2197 | if (reloc->howto->pc_relative == 0 |
2198 | || code == BFD_RELOC_SPARC_PC10 | |
2199 | || code == BFD_RELOC_SPARC_PC22) | |
c999fd9f | 2200 | reloc->addend = fixp->fx_addnumber; |
7ab2e983 ILT |
2201 | else if ((fixp->fx_addsy->bsym->flags & BSF_SECTION_SYM) != 0) |
2202 | reloc->addend = (section->vma | |
2203 | + fixp->fx_addnumber | |
2204 | + md_pcrel_from (fixp)); | |
c999fd9f | 2205 | else |
a7aa7a2b | 2206 | reloc->addend = fixp->fx_offset; |
a7aa7a2b | 2207 | #endif |
428d312b KR |
2208 | |
2209 | return reloc; | |
2210 | } | |
2211 | ||
fecd2382 RP |
2212 | |
2213 | #if 0 | |
2214 | /* for debugging only */ | |
355afbcd KR |
2215 | static void |
2216 | print_insn (insn) | |
2217 | struct sparc_it *insn; | |
fecd2382 | 2218 | { |
c999fd9f | 2219 | const char *const Reloc[] = { |
355afbcd KR |
2220 | "RELOC_8", |
2221 | "RELOC_16", | |
2222 | "RELOC_32", | |
2223 | "RELOC_DISP8", | |
2224 | "RELOC_DISP16", | |
2225 | "RELOC_DISP32", | |
2226 | "RELOC_WDISP30", | |
2227 | "RELOC_WDISP22", | |
2228 | "RELOC_HI22", | |
2229 | "RELOC_22", | |
2230 | "RELOC_13", | |
2231 | "RELOC_LO10", | |
2232 | "RELOC_SFA_BASE", | |
2233 | "RELOC_SFA_OFF13", | |
2234 | "RELOC_BASE10", | |
2235 | "RELOC_BASE13", | |
2236 | "RELOC_BASE22", | |
2237 | "RELOC_PC10", | |
2238 | "RELOC_PC22", | |
2239 | "RELOC_JMP_TBL", | |
2240 | "RELOC_SEGOFF16", | |
2241 | "RELOC_GLOB_DAT", | |
2242 | "RELOC_JMP_SLOT", | |
2243 | "RELOC_RELATIVE", | |
2244 | "NO_RELOC" | |
2245 | }; | |
2246 | ||
2247 | if (insn->error) | |
c999fd9f | 2248 | fprintf (stderr, "ERROR: %s\n"); |
355afbcd KR |
2249 | fprintf (stderr, "opcode=0x%08x\n", insn->opcode); |
2250 | fprintf (stderr, "reloc = %s\n", Reloc[insn->reloc]); | |
2251 | fprintf (stderr, "exp = {\n"); | |
2252 | fprintf (stderr, "\t\tX_add_symbol = %s\n", | |
2253 | ((insn->exp.X_add_symbol != NULL) | |
2254 | ? ((S_GET_NAME (insn->exp.X_add_symbol) != NULL) | |
2255 | ? S_GET_NAME (insn->exp.X_add_symbol) | |
2256 | : "???") | |
2257 | : "0")); | |
2258 | fprintf (stderr, "\t\tX_sub_symbol = %s\n", | |
5ac34ac3 ILT |
2259 | ((insn->exp.X_op_symbol != NULL) |
2260 | ? (S_GET_NAME (insn->exp.X_op_symbol) | |
2261 | ? S_GET_NAME (insn->exp.X_op_symbol) | |
355afbcd KR |
2262 | : "???") |
2263 | : "0")); | |
2264 | fprintf (stderr, "\t\tX_add_number = %d\n", | |
2265 | insn->exp.X_add_number); | |
2266 | fprintf (stderr, "}\n"); | |
c999fd9f | 2267 | } |
fecd2382 | 2268 | #endif |
f3d817d8 | 2269 | \f |
839df5c3 RP |
2270 | /* |
2271 | * md_parse_option | |
2272 | * Invocation line includes a switch not recognized by the base assembler. | |
2273 | * See if it's a processor-specific option. These are: | |
2274 | * | |
2275 | * -bump | |
2276 | * Warn on architecture bumps. See also -A. | |
2277 | * | |
5e0a90a8 | 2278 | * -Av6, -Av7, -Av8, -Av9, -Asparclite |
839df5c3 RP |
2279 | * Select the architecture. Instructions or features not |
2280 | * supported by the selected architecture cause fatal errors. | |
2281 | * | |
2282 | * The default is to start at v6, and bump the architecture up | |
2283 | * whenever an instruction is seen at a higher level. | |
2284 | * | |
2285 | * If -bump is specified, a warning is printing when bumping to | |
2286 | * higher levels. | |
2287 | * | |
2288 | * If an architecture is specified, all instructions must match | |
2289 | * that architecture. Any higher level instructions are flagged | |
355afbcd | 2290 | * as errors. |
839df5c3 RP |
2291 | * |
2292 | * if both an architecture and -bump are specified, the | |
2293 | * architecture starts at the specified level, but bumps are | |
2294 | * warnings. | |
2295 | * | |
162e3485 | 2296 | * Note: |
680227f3 KR |
2297 | * Bumping between incompatible architectures is always an |
2298 | * error. For example, from sparclite to v9. | |
839df5c3 | 2299 | */ |
162e3485 | 2300 | |
f3d817d8 | 2301 | #ifdef OBJ_ELF |
a7aa7a2b | 2302 | CONST char *md_shortopts = "A:K:VQ:sq"; |
f3d817d8 | 2303 | #else |
4c67b523 ILT |
2304 | #ifdef OBJ_AOUT |
2305 | CONST char *md_shortopts = "A:k"; | |
2306 | #else | |
f3d817d8 DM |
2307 | CONST char *md_shortopts = "A:"; |
2308 | #endif | |
4c67b523 | 2309 | #endif |
f3d817d8 DM |
2310 | struct option md_longopts[] = { |
2311 | #define OPTION_BUMP (OPTION_MD_BASE) | |
2312 | {"bump", no_argument, NULL, OPTION_BUMP}, | |
2313 | #define OPTION_SPARC (OPTION_MD_BASE + 1) | |
2314 | {"sparc", no_argument, NULL, OPTION_SPARC}, | |
2315 | {NULL, no_argument, NULL, 0} | |
2316 | }; | |
2317 | size_t md_longopts_size = sizeof(md_longopts); | |
355afbcd | 2318 | |
f3d817d8 DM |
2319 | int |
2320 | md_parse_option (c, arg) | |
2321 | int c; | |
2322 | char *arg; | |
2323 | { | |
2324 | switch (c) | |
355afbcd | 2325 | { |
f3d817d8 | 2326 | case OPTION_BUMP: |
355afbcd | 2327 | warn_on_bump = 1; |
f3d817d8 | 2328 | break; |
355afbcd | 2329 | |
f3d817d8 DM |
2330 | case 'A': |
2331 | { | |
2332 | char *p = arg; | |
2333 | const char **arch; | |
2334 | ||
2335 | for (arch = architecture_pname; *arch != NULL; ++arch) | |
2336 | { | |
2337 | if (strcmp (p, *arch) == 0) | |
355afbcd | 2338 | break; |
f3d817d8 DM |
2339 | } |
2340 | ||
2341 | if (*arch == NULL) | |
2342 | { | |
2343 | as_bad ("invalid architecture -A%s", p); | |
2344 | return 0; | |
2345 | } | |
2346 | else | |
2347 | { | |
5e0a90a8 KR |
2348 | enum sparc_architecture new_arch = arch - architecture_pname; |
2349 | #ifdef NO_V9 | |
2350 | if (new_arch == v9) | |
2351 | { | |
2352 | as_error ("v9 support not compiled in"); | |
2353 | return 0; | |
2354 | } | |
2355 | #endif | |
2356 | current_architecture = new_arch; | |
f3d817d8 DM |
2357 | architecture_requested = 1; |
2358 | } | |
2359 | } | |
2360 | break; | |
2361 | ||
2362 | case OPTION_SPARC: | |
2363 | /* Ignore -sparc, used by SunOS make default .s.o rule. */ | |
2364 | break; | |
355afbcd | 2365 | |
4c67b523 ILT |
2366 | #ifdef OBJ_AOUT |
2367 | case 'k': | |
2368 | sparc_pic_code = 1; | |
2369 | break; | |
2370 | #endif | |
2371 | ||
ed9638af | 2372 | #ifdef OBJ_ELF |
f3d817d8 | 2373 | case 'V': |
ed9638af | 2374 | print_version_id (); |
f3d817d8 DM |
2375 | break; |
2376 | ||
2377 | case 'Q': | |
ed9638af KR |
2378 | /* Qy - do emit .comment |
2379 | Qn - do not emit .comment */ | |
f3d817d8 DM |
2380 | break; |
2381 | ||
2382 | case 's': | |
ed9638af | 2383 | /* use .stab instead of .stab.excl */ |
f3d817d8 DM |
2384 | break; |
2385 | ||
2386 | case 'q': | |
c06e55d9 | 2387 | /* quick -- native assembler does fewer checks */ |
f3d817d8 | 2388 | break; |
a7aa7a2b ILT |
2389 | |
2390 | case 'K': | |
2391 | if (strcmp (arg, "PIC") != 0) | |
2392 | as_warn ("Unrecognized option following -K"); | |
2393 | else | |
4c67b523 ILT |
2394 | sparc_pic_code = 1; |
2395 | break; | |
ed9638af | 2396 | #endif |
f3d817d8 DM |
2397 | |
2398 | default: | |
355afbcd KR |
2399 | return 0; |
2400 | } | |
fecd2382 | 2401 | |
f3d817d8 DM |
2402 | return 1; |
2403 | } | |
2404 | ||
2405 | void | |
2406 | md_show_usage (stream) | |
2407 | FILE *stream; | |
2408 | { | |
5e0a90a8 KR |
2409 | const char **arch; |
2410 | fprintf(stream, "SPARC options:\n"); | |
2411 | for (arch = architecture_pname; *arch; arch++) | |
2412 | { | |
2413 | if (arch != architecture_pname) | |
2414 | fprintf (stream, " | "); | |
2415 | fprintf (stream, "-A%s", *arch); | |
2416 | } | |
2417 | fprintf (stream, "\n\ | |
f3d817d8 DM |
2418 | specify variant of SPARC architecture\n\ |
2419 | -bump warn when assembler switches architectures\n\ | |
2420 | -sparc ignored\n"); | |
4c67b523 ILT |
2421 | #ifdef OBJ_AOUT |
2422 | fprintf (stream, "\ | |
2423 | -k generate PIC\n"); | |
2424 | #endif | |
f3d817d8 | 2425 | #ifdef OBJ_ELF |
4c67b523 ILT |
2426 | fprintf (stream, "\ |
2427 | -KPIC generate PIC\n\ | |
f3d817d8 DM |
2428 | -V print assembler version number\n\ |
2429 | -q ignored\n\ | |
2430 | -Qy, -Qn ignored\n\ | |
2431 | -s ignored\n"); | |
2432 | #endif | |
2433 | } | |
2434 | \f | |
fecd2382 RP |
2435 | /* We have no need to default values of symbols. */ |
2436 | ||
2437 | /* ARGSUSED */ | |
355afbcd KR |
2438 | symbolS * |
2439 | md_undefined_symbol (name) | |
2440 | char *name; | |
fecd2382 | 2441 | { |
355afbcd KR |
2442 | return 0; |
2443 | } /* md_undefined_symbol() */ | |
fecd2382 | 2444 | |
fecd2382 | 2445 | /* Round up a section size to the appropriate boundary. */ |
125f0b0d | 2446 | valueT |
355afbcd KR |
2447 | md_section_align (segment, size) |
2448 | segT segment; | |
125f0b0d | 2449 | valueT size; |
fecd2382 | 2450 | { |
f9c57637 ILT |
2451 | #ifndef OBJ_ELF |
2452 | /* This is not right for ELF; a.out wants it, and COFF will force | |
2453 | the alignment anyways. */ | |
a7aa7a2b ILT |
2454 | valueT align = ((valueT) 1 |
2455 | << (valueT) bfd_get_section_alignment (stdoutput, segment)); | |
f9c57637 ILT |
2456 | valueT newsize; |
2457 | /* turn alignment value into a mask */ | |
2458 | align--; | |
2459 | newsize = (size + align) & ~align; | |
2460 | return newsize; | |
2461 | #else | |
693b21e7 | 2462 | return size; |
f9c57637 | 2463 | #endif |
428d312b | 2464 | } |
fecd2382 RP |
2465 | |
2466 | /* Exactly what point is a PC-relative offset relative TO? | |
2467 | On the sparc, they're relative to the address of the offset, plus | |
2468 | its size. This gets us to the following instruction. | |
2469 | (??? Is this right? FIXME-SOON) */ | |
355afbcd KR |
2470 | long |
2471 | md_pcrel_from (fixP) | |
2472 | fixS *fixP; | |
fecd2382 | 2473 | { |
4c67b523 ILT |
2474 | long ret; |
2475 | ||
2476 | ret = fixP->fx_where + fixP->fx_frag->fr_address; | |
2477 | if (! sparc_pic_code | |
2478 | || fixP->fx_addsy == NULL | |
2479 | || (fixP->fx_addsy->bsym->flags & BSF_SECTION_SYM) != 0) | |
2480 | ret += fixP->fx_size; | |
2481 | return ret; | |
428d312b | 2482 | } |
fecd2382 | 2483 | |
8b228fe9 | 2484 | /* end of tc-sparc.c */ |