Commit | Line | Data |
---|---|---|
fecd2382 | 1 | /* tc-sparc.c -- Assemble for the SPARC |
a87b3269 | 2 | Copyright (C) 1989, 1990, 1991, 1992 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 | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
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 | |
ed9638af KR |
39 | extern int target_big_endian; |
40 | ||
428d312b | 41 | const relax_typeS md_relax_table[1]; |
fecd2382 RP |
42 | |
43 | /* handle of the OPCODE hash table */ | |
5e0a90a8 | 44 | static struct hash_control *op_hash; |
fecd2382 | 45 | |
7766838e ILT |
46 | static void s_data1 PARAMS ((void)); |
47 | static void s_seg PARAMS ((int)); | |
48 | static void s_proc PARAMS ((int)); | |
49 | static void s_reserve PARAMS ((int)); | |
50 | static void s_common PARAMS ((int)); | |
428d312b | 51 | |
355afbcd KR |
52 | const pseudo_typeS md_pseudo_table[] = |
53 | { | |
54 | {"align", s_align_bytes, 0}, /* Defaulting is invalid (0) */ | |
55 | {"common", s_common, 0}, | |
56 | {"global", s_globl, 0}, | |
57 | {"half", cons, 2}, | |
58 | {"optim", s_ignore, 0}, | |
59 | {"proc", s_proc, 0}, | |
60 | {"reserve", s_reserve, 0}, | |
61 | {"seg", s_seg, 0}, | |
62 | {"skip", s_space, 0}, | |
63 | {"word", cons, 4}, | |
428d312b | 64 | #ifndef NO_V9 |
7766838e | 65 | {"xword", cons, 8}, |
92421122 KR |
66 | #ifdef OBJ_ELF |
67 | {"uaxword", cons, 8}, | |
68 | #endif | |
428d312b | 69 | #endif |
693b21e7 | 70 | #ifdef OBJ_ELF |
693b21e7 KR |
71 | /* these are specific to sparc/svr4 */ |
72 | {"pushsection", obj_elf_section, 0}, | |
73 | {"popsection", obj_elf_previous, 0}, | |
74 | {"uaword", cons, 4}, | |
75 | {"uahalf", cons, 2}, | |
76 | #endif | |
355afbcd | 77 | {NULL, 0, 0}, |
fecd2382 RP |
78 | }; |
79 | ||
839df5c3 RP |
80 | const int md_short_jump_size = 4; |
81 | const int md_long_jump_size = 4; | |
355afbcd | 82 | const int md_reloc_size = 12; /* Size of relocation record */ |
fecd2382 RP |
83 | |
84 | /* This array holds the chars that always start a comment. If the | |
85 | pre-processor is disabled, these aren't very useful */ | |
839df5c3 | 86 | const char comment_chars[] = "!"; /* JF removed '|' from comment_chars */ |
fecd2382 RP |
87 | |
88 | /* This array holds the chars that only start a comment at the beginning of | |
89 | a line. If the line seems to have the form '# 123 filename' | |
90 | .line and .file directives will appear in the pre-processed output */ | |
91 | /* Note that input_file.c hand checks for '#' at the beginning of the | |
92 | first line of the input file. This is because the compiler outputs | |
93 | #NO_APP at the beginning of its output. */ | |
839df5c3 RP |
94 | /* Also note that comments started like this one will always |
95 | work if '/' isn't otherwise defined. */ | |
96 | const char line_comment_chars[] = "#"; | |
fecd2382 | 97 | |
355afbcd KR |
98 | const char line_separator_chars[] = ""; |
99 | ||
fecd2382 | 100 | /* Chars that can be used to separate mant from exp in floating point nums */ |
839df5c3 | 101 | const char EXP_CHARS[] = "eE"; |
fecd2382 RP |
102 | |
103 | /* Chars that mean this number is a floating point constant */ | |
104 | /* As in 0f12.456 */ | |
105 | /* or 0d1.2345e12 */ | |
839df5c3 | 106 | const char FLT_CHARS[] = "rRsSfFdDxXpP"; |
fecd2382 RP |
107 | |
108 | /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be | |
9b6a882e KR |
109 | changed in read.c. Ideally it shouldn't have to know about it at all, |
110 | but nothing is ideal around here. */ | |
fecd2382 RP |
111 | |
112 | static unsigned char octal[256]; | |
58d4951d | 113 | #define isoctal(c) octal[(unsigned char) (c)] |
355afbcd KR |
114 | static unsigned char toHex[256]; |
115 | ||
116 | struct sparc_it | |
117 | { | |
118 | char *error; | |
119 | unsigned long opcode; | |
120 | struct nlist *nlistp; | |
121 | expressionS exp; | |
122 | int pcrel; | |
428d312b | 123 | bfd_reloc_code_real_type reloc; |
428d312b KR |
124 | }; |
125 | ||
126 | struct sparc_it the_insn, set_insn; | |
127 | ||
7ab2e983 ILT |
128 | static INLINE int |
129 | in_signed_range (val, max) | |
130 | bfd_signed_vma val, max; | |
131 | { | |
132 | if (max <= 0) | |
133 | abort (); | |
134 | if (val > max) | |
135 | return 0; | |
136 | if (val < ~max) | |
137 | return 0; | |
138 | return 1; | |
139 | } | |
140 | ||
fecd2382 | 141 | #if 0 |
428d312b | 142 | static void print_insn PARAMS ((struct sparc_it *insn)); |
fecd2382 | 143 | #endif |
428d312b | 144 | static int getExpression PARAMS ((char *str)); |
a87b3269 | 145 | |
fecd2382 RP |
146 | static char *expr_end; |
147 | static int special_case; | |
148 | ||
149 | /* | |
150 | * Instructions that require wierd handling because they're longer than | |
151 | * 4 bytes. | |
152 | */ | |
153 | #define SPECIAL_CASE_SET 1 | |
154 | #define SPECIAL_CASE_FDIV 2 | |
155 | ||
156 | /* | |
157 | * sort of like s_lcomm | |
158 | * | |
159 | */ | |
58d4951d | 160 | #ifndef OBJ_ELF |
584a0f78 | 161 | static int max_alignment = 15; |
58d4951d | 162 | #endif |
584a0f78 | 163 | |
355afbcd | 164 | static void |
7766838e ILT |
165 | s_reserve (ignore) |
166 | int ignore; | |
355afbcd KR |
167 | { |
168 | char *name; | |
169 | char *p; | |
170 | char c; | |
171 | int align; | |
172 | int size; | |
173 | int temp; | |
174 | symbolS *symbolP; | |
175 | ||
176 | name = input_line_pointer; | |
177 | c = get_symbol_end (); | |
178 | p = input_line_pointer; | |
179 | *p = c; | |
180 | SKIP_WHITESPACE (); | |
181 | ||
182 | if (*input_line_pointer != ',') | |
183 | { | |
184 | as_bad ("Expected comma after name"); | |
185 | ignore_rest_of_line (); | |
186 | return; | |
187 | } | |
188 | ||
189 | ++input_line_pointer; | |
190 | ||
191 | if ((size = get_absolute_expression ()) < 0) | |
192 | { | |
193 | as_bad ("BSS length (%d.) <0! Ignored.", size); | |
194 | ignore_rest_of_line (); | |
195 | return; | |
196 | } /* bad length */ | |
197 | ||
198 | *p = 0; | |
199 | symbolP = symbol_find_or_make (name); | |
200 | *p = c; | |
201 | ||
125f0b0d KR |
202 | if (strncmp (input_line_pointer, ",\"bss\"", 6) != 0 |
203 | && strncmp (input_line_pointer, ",\".bss\"", 7) != 0) | |
355afbcd | 204 | { |
5e0a90a8 | 205 | as_bad ("bad .reserve segment -- expected BSS segment"); |
355afbcd | 206 | return; |
9b6a882e | 207 | } |
355afbcd | 208 | |
125f0b0d KR |
209 | if (input_line_pointer[2] == '.') |
210 | input_line_pointer += 7; | |
211 | else | |
212 | input_line_pointer += 6; | |
355afbcd KR |
213 | SKIP_WHITESPACE (); |
214 | ||
215 | if (*input_line_pointer == ',') | |
216 | { | |
217 | ++input_line_pointer; | |
218 | ||
219 | SKIP_WHITESPACE (); | |
220 | if (*input_line_pointer == '\n') | |
221 | { | |
222 | as_bad ("Missing alignment"); | |
223 | return; | |
224 | } | |
225 | ||
226 | align = get_absolute_expression (); | |
58d4951d | 227 | #ifndef OBJ_ELF |
355afbcd KR |
228 | if (align > max_alignment) |
229 | { | |
230 | align = max_alignment; | |
231 | as_warn ("Alignment too large: %d. assumed.", align); | |
232 | } | |
58d4951d ILT |
233 | #endif |
234 | if (align < 0) | |
355afbcd KR |
235 | { |
236 | align = 0; | |
237 | as_warn ("Alignment negative. 0 assumed."); | |
fecd2382 | 238 | } |
428d312b KR |
239 | |
240 | record_alignment (bss_section, align); | |
355afbcd KR |
241 | |
242 | /* convert to a power of 2 alignment */ | |
243 | for (temp = 0; (align & 1) == 0; align >>= 1, ++temp);; | |
244 | ||
245 | if (align != 1) | |
246 | { | |
247 | as_bad ("Alignment not a power of 2"); | |
248 | ignore_rest_of_line (); | |
249 | return; | |
250 | } /* not a power of two */ | |
251 | ||
252 | align = temp; | |
355afbcd | 253 | } /* if has optional alignment */ |
428d312b KR |
254 | else |
255 | align = 0; | |
355afbcd | 256 | |
125f0b0d KR |
257 | if ((S_GET_SEGMENT (symbolP) == bss_section |
258 | || !S_IS_DEFINED (symbolP)) | |
259 | #ifdef OBJ_AOUT | |
260 | && S_GET_OTHER (symbolP) == 0 | |
355afbcd | 261 | && S_GET_DESC (symbolP) == 0 |
125f0b0d KR |
262 | #endif |
263 | ) | |
355afbcd | 264 | { |
428d312b KR |
265 | if (! need_pass_2) |
266 | { | |
7766838e | 267 | char *pfrag; |
428d312b KR |
268 | segT current_seg = now_seg; |
269 | subsegT current_subseg = now_subseg; | |
270 | ||
271 | subseg_set (bss_section, 1); /* switch to bss */ | |
272 | ||
273 | if (align) | |
274 | frag_align (align, 0); /* do alignment */ | |
275 | ||
276 | /* detach from old frag */ | |
277 | if (S_GET_SEGMENT(symbolP) == bss_section) | |
278 | symbolP->sy_frag->fr_symbol = NULL; | |
279 | ||
280 | symbolP->sy_frag = frag_now; | |
7766838e ILT |
281 | pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP, |
282 | size, (char *)0); | |
283 | *pfrag = 0; | |
428d312b KR |
284 | |
285 | S_SET_SEGMENT (symbolP, bss_section); | |
286 | ||
287 | subseg_set (current_seg, current_subseg); | |
288 | } | |
355afbcd KR |
289 | } |
290 | else | |
291 | { | |
428d312b | 292 | as_warn("Ignoring attempt to re-define symbol %s.", name); |
355afbcd KR |
293 | } /* if not redefining */ |
294 | ||
295 | demand_empty_rest_of_line (); | |
428d312b | 296 | } |
355afbcd KR |
297 | |
298 | static void | |
7766838e ILT |
299 | s_common (ignore) |
300 | int ignore; | |
355afbcd | 301 | { |
ed9638af KR |
302 | char *name; |
303 | char c; | |
304 | char *p; | |
305 | int temp, size; | |
306 | symbolS *symbolP; | |
355afbcd KR |
307 | |
308 | name = input_line_pointer; | |
309 | c = get_symbol_end (); | |
310 | /* just after name is now '\0' */ | |
311 | p = input_line_pointer; | |
312 | *p = c; | |
313 | SKIP_WHITESPACE (); | |
314 | if (*input_line_pointer != ',') | |
315 | { | |
316 | as_bad ("Expected comma after symbol-name"); | |
317 | ignore_rest_of_line (); | |
318 | return; | |
319 | } | |
320 | input_line_pointer++; /* skip ',' */ | |
321 | if ((temp = get_absolute_expression ()) < 0) | |
322 | { | |
323 | as_bad (".COMMon length (%d.) <0! Ignored.", temp); | |
324 | ignore_rest_of_line (); | |
325 | return; | |
326 | } | |
ed9638af | 327 | size = temp; |
355afbcd KR |
328 | *p = 0; |
329 | symbolP = symbol_find_or_make (name); | |
330 | *p = c; | |
331 | if (S_IS_DEFINED (symbolP)) | |
332 | { | |
333 | as_bad ("Ignoring attempt to re-define symbol"); | |
334 | ignore_rest_of_line (); | |
335 | return; | |
336 | } | |
337 | if (S_GET_VALUE (symbolP) != 0) | |
338 | { | |
ed9638af | 339 | if (S_GET_VALUE (symbolP) != size) |
355afbcd | 340 | { |
125f0b0d KR |
341 | as_warn ("Length of .comm \"%s\" is already %ld. Not changed to %d.", |
342 | S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size); | |
680227f3 | 343 | } |
355afbcd KR |
344 | } |
345 | else | |
346 | { | |
ed9638af | 347 | #ifndef OBJ_ELF |
7766838e | 348 | S_SET_VALUE (symbolP, (valueT) size); |
355afbcd | 349 | S_SET_EXTERNAL (symbolP); |
428d312b | 350 | #endif |
355afbcd KR |
351 | } |
352 | know (symbolP->sy_frag == &zero_address_frag); | |
428d312b KR |
353 | if (*input_line_pointer != ',') |
354 | { | |
125f0b0d | 355 | as_bad ("Expected comma after common length"); |
428d312b KR |
356 | ignore_rest_of_line (); |
357 | return; | |
358 | } | |
359 | input_line_pointer++; | |
125f0b0d KR |
360 | SKIP_WHITESPACE (); |
361 | if (*input_line_pointer != '"') | |
ed9638af | 362 | { |
125f0b0d | 363 | temp = get_absolute_expression (); |
58d4951d | 364 | #ifndef OBJ_ELF |
125f0b0d KR |
365 | if (temp > max_alignment) |
366 | { | |
367 | temp = max_alignment; | |
368 | as_warn ("Common alignment too large: %d. assumed", temp); | |
369 | } | |
58d4951d ILT |
370 | #endif |
371 | if (temp < 0) | |
125f0b0d KR |
372 | { |
373 | temp = 0; | |
374 | as_warn ("Common alignment negative; 0 assumed"); | |
375 | } | |
b2565433 | 376 | #ifdef OBJ_ELF |
125f0b0d KR |
377 | if (symbolP->local) |
378 | { | |
ff4cac38 KR |
379 | segT old_sec; |
380 | int old_subsec; | |
125f0b0d | 381 | char *p; |
ff4cac38 | 382 | int align; |
ed9638af | 383 | |
ff4cac38 KR |
384 | allocate_bss: |
385 | old_sec = now_seg; | |
386 | old_subsec = now_subseg; | |
387 | align = temp; | |
125f0b0d KR |
388 | record_alignment (bss_section, align); |
389 | subseg_set (bss_section, 0); | |
390 | if (align) | |
391 | frag_align (align, 0); | |
392 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
393 | symbolP->sy_frag->fr_symbol = 0; | |
394 | symbolP->sy_frag = frag_now; | |
395 | p = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, | |
396 | (char *) 0); | |
397 | *p = 0; | |
398 | S_SET_SEGMENT (symbolP, bss_section); | |
399 | S_CLEAR_EXTERNAL (symbolP); | |
400 | subseg_set (old_sec, old_subsec); | |
401 | } | |
402 | else | |
b2565433 | 403 | #endif |
125f0b0d | 404 | { |
ff4cac38 | 405 | allocate_common: |
7766838e | 406 | S_SET_VALUE (symbolP, (valueT) size); |
5e0a90a8 KR |
407 | #ifdef OBJ_ELF |
408 | S_SET_ALIGN (symbolP, temp); | |
409 | #endif | |
125f0b0d KR |
410 | S_SET_EXTERNAL (symbolP); |
411 | /* should be common, but this is how gas does it for now */ | |
5e0a90a8 | 412 | S_SET_SEGMENT (symbolP, bfd_und_section_ptr); |
125f0b0d | 413 | } |
ed9638af KR |
414 | } |
415 | else | |
416 | { | |
125f0b0d | 417 | input_line_pointer++; |
ff4cac38 KR |
418 | /* @@ Some use the dot, some don't. Can we get some consistency?? */ |
419 | if (*input_line_pointer == '.') | |
420 | input_line_pointer++; | |
421 | /* @@ Some say data, some say bss. */ | |
125f0b0d | 422 | if (strncmp (input_line_pointer, "bss\"", 4) |
ff4cac38 | 423 | && strncmp (input_line_pointer, "data\"", 5)) |
125f0b0d | 424 | { |
ff4cac38 KR |
425 | while (*--input_line_pointer != '"') |
426 | ; | |
427 | input_line_pointer--; | |
125f0b0d KR |
428 | goto bad_common_segment; |
429 | } | |
430 | while (*input_line_pointer++ != '"') | |
431 | ; | |
ff4cac38 | 432 | goto allocate_common; |
355afbcd | 433 | } |
355afbcd KR |
434 | demand_empty_rest_of_line (); |
435 | return; | |
ff4cac38 KR |
436 | |
437 | { | |
438 | bad_common_segment: | |
439 | p = input_line_pointer; | |
440 | while (*p && *p != '\n') | |
441 | p++; | |
442 | c = *p; | |
443 | *p = '\0'; | |
444 | as_bad ("bad .common segment %s", input_line_pointer + 1); | |
445 | *p = c; | |
446 | input_line_pointer = p; | |
447 | ignore_rest_of_line (); | |
448 | return; | |
449 | } | |
450 | } | |
355afbcd KR |
451 | |
452 | static void | |
7766838e ILT |
453 | s_seg (ignore) |
454 | int ignore; | |
355afbcd KR |
455 | { |
456 | ||
457 | if (strncmp (input_line_pointer, "\"text\"", 6) == 0) | |
458 | { | |
459 | input_line_pointer += 6; | |
7766838e | 460 | s_text (0); |
355afbcd KR |
461 | return; |
462 | } | |
463 | if (strncmp (input_line_pointer, "\"data\"", 6) == 0) | |
464 | { | |
465 | input_line_pointer += 6; | |
7766838e | 466 | s_data (0); |
355afbcd KR |
467 | return; |
468 | } | |
469 | if (strncmp (input_line_pointer, "\"data1\"", 7) == 0) | |
470 | { | |
471 | input_line_pointer += 7; | |
472 | s_data1 (); | |
473 | return; | |
474 | } | |
475 | if (strncmp (input_line_pointer, "\"bss\"", 5) == 0) | |
476 | { | |
477 | input_line_pointer += 5; | |
478 | /* We only support 2 segments -- text and data -- for now, so | |
428d312b KR |
479 | things in the "bss segment" will have to go into data for now. |
480 | You can still allocate SEG_BSS stuff with .lcomm or .reserve. */ | |
481 | subseg_set (data_section, 255); /* FIXME-SOMEDAY */ | |
355afbcd KR |
482 | return; |
483 | } | |
484 | as_bad ("Unknown segment type"); | |
485 | demand_empty_rest_of_line (); | |
c999fd9f | 486 | } |
355afbcd KR |
487 | |
488 | static void | |
489 | s_data1 () | |
490 | { | |
428d312b | 491 | subseg_set (data_section, 1); |
355afbcd | 492 | demand_empty_rest_of_line (); |
c999fd9f | 493 | } |
fecd2382 | 494 | |
355afbcd | 495 | static void |
7766838e ILT |
496 | s_proc (ignore) |
497 | int ignore; | |
355afbcd | 498 | { |
58d4951d | 499 | while (!is_end_of_line[(unsigned char) *input_line_pointer]) |
355afbcd KR |
500 | { |
501 | ++input_line_pointer; | |
502 | } | |
503 | ++input_line_pointer; | |
c999fd9f | 504 | } |
fecd2382 | 505 | |
680227f3 | 506 | #ifndef NO_V9 |
428d312b | 507 | |
355afbcd KR |
508 | struct priv_reg_entry |
509 | { | |
510 | char *name; | |
511 | int regnum; | |
512 | }; | |
428d312b | 513 | |
680227f3 KR |
514 | struct priv_reg_entry priv_reg_table[] = |
515 | { | |
355afbcd KR |
516 | {"tpc", 0}, |
517 | {"tnpc", 1}, | |
518 | {"tstate", 2}, | |
519 | {"tt", 3}, | |
520 | {"tick", 4}, | |
521 | {"tba", 5}, | |
522 | {"pstate", 6}, | |
523 | {"tl", 7}, | |
524 | {"pil", 8}, | |
525 | {"cwp", 9}, | |
526 | {"cansave", 10}, | |
527 | {"canrestore", 11}, | |
528 | {"cleanwin", 12}, | |
529 | {"otherwin", 13}, | |
530 | {"wstate", 14}, | |
125f0b0d | 531 | {"fq", 15}, |
355afbcd KR |
532 | {"ver", 31}, |
533 | {"", -1}, /* end marker */ | |
680227f3 KR |
534 | }; |
535 | ||
ed9638af KR |
536 | struct membar_masks |
537 | { | |
538 | char *name; | |
7766838e ILT |
539 | unsigned int len; |
540 | unsigned int mask; | |
ed9638af KR |
541 | }; |
542 | ||
543 | #define MEMBAR_MASKS_SIZE 7 | |
544 | ||
5e0a90a8 | 545 | static const struct membar_masks membar_masks[MEMBAR_MASKS_SIZE] = |
ed9638af KR |
546 | { |
547 | {"Sync", 4, 0x40}, | |
548 | {"MemIssue", 8, 0x20}, | |
549 | {"Lookaside", 9, 0x10}, | |
550 | {"StoreStore", 10, 0x08}, | |
551 | {"LoadStore", 9, 0x04}, | |
552 | {"StoreLoad", 9, 0x02}, | |
553 | {"LoadLoad", 8, 0x01}, | |
554 | }; | |
555 | ||
355afbcd KR |
556 | static int |
557 | cmp_reg_entry (p, q) | |
680227f3 KR |
558 | struct priv_reg_entry *p, *q; |
559 | { | |
560 | return strcmp (q->name, p->name); | |
561 | } | |
355afbcd | 562 | |
680227f3 | 563 | #endif |
680227f3 | 564 | |
fecd2382 RP |
565 | /* This function is called once, at assembler startup time. It should |
566 | set up all the tables, etc. that the MD part of the assembler will need. */ | |
355afbcd KR |
567 | void |
568 | md_begin () | |
569 | { | |
7766838e | 570 | register const char *retval = NULL; |
355afbcd KR |
571 | int lose = 0; |
572 | register unsigned int i = 0; | |
573 | ||
574 | op_hash = hash_new (); | |
355afbcd KR |
575 | |
576 | while (i < NUMOPCODES) | |
577 | { | |
578 | const char *name = sparc_opcodes[i].name; | |
579 | retval = hash_insert (op_hash, name, &sparc_opcodes[i]); | |
7766838e | 580 | if (retval != NULL) |
355afbcd KR |
581 | { |
582 | fprintf (stderr, "internal error: can't hash `%s': %s\n", | |
583 | sparc_opcodes[i].name, retval); | |
584 | lose = 1; | |
fecd2382 | 585 | } |
355afbcd KR |
586 | do |
587 | { | |
588 | if (sparc_opcodes[i].match & sparc_opcodes[i].lose) | |
589 | { | |
590 | fprintf (stderr, "internal error: losing opcode: `%s' \"%s\"\n", | |
591 | sparc_opcodes[i].name, sparc_opcodes[i].args); | |
592 | lose = 1; | |
593 | } | |
594 | ++i; | |
595 | } | |
596 | while (i < NUMOPCODES | |
597 | && !strcmp (sparc_opcodes[i].name, name)); | |
598 | } | |
599 | ||
600 | if (lose) | |
601 | as_fatal ("Broken assembler. No assembly attempted."); | |
602 | ||
603 | for (i = '0'; i < '8'; ++i) | |
604 | octal[i] = 1; | |
605 | for (i = '0'; i <= '9'; ++i) | |
606 | toHex[i] = i - '0'; | |
607 | for (i = 'a'; i <= 'f'; ++i) | |
608 | toHex[i] = i + 10 - 'a'; | |
609 | for (i = 'A'; i <= 'F'; ++i) | |
610 | toHex[i] = i + 10 - 'A'; | |
611 | ||
680227f3 | 612 | #ifndef NO_V9 |
355afbcd KR |
613 | qsort (priv_reg_table, sizeof (priv_reg_table) / sizeof (priv_reg_table[0]), |
614 | sizeof (priv_reg_table[0]), cmp_reg_entry); | |
680227f3 | 615 | #endif |
ed9638af KR |
616 | |
617 | target_big_endian = 1; | |
9b6a882e | 618 | } |
fecd2382 | 619 | |
355afbcd KR |
620 | void |
621 | md_assemble (str) | |
622 | char *str; | |
fecd2382 | 623 | { |
355afbcd KR |
624 | char *toP; |
625 | int rsd; | |
626 | ||
627 | know (str); | |
628 | sparc_ip (str); | |
629 | ||
630 | /* See if "set" operand is absolute and small; skip sethi if so. */ | |
428d312b | 631 | if (special_case == SPECIAL_CASE_SET |
5ac34ac3 | 632 | && the_insn.exp.X_op == O_constant) |
355afbcd KR |
633 | { |
634 | if (the_insn.exp.X_add_number >= -(1 << 12) | |
635 | && the_insn.exp.X_add_number < (1 << 12)) | |
636 | { | |
637 | the_insn.opcode = 0x80102000 /* or %g0,imm,... */ | |
638 | | (the_insn.opcode & 0x3E000000) /* dest reg */ | |
639 | | (the_insn.exp.X_add_number & 0x1FFF); /* imm */ | |
640 | special_case = 0; /* No longer special */ | |
428d312b | 641 | the_insn.reloc = BFD_RELOC_NONE; /* No longer relocated */ |
680227f3 | 642 | } |
355afbcd KR |
643 | } |
644 | ||
645 | toP = frag_more (4); | |
646 | /* put out the opcode */ | |
125f0b0d | 647 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
355afbcd KR |
648 | |
649 | /* put out the symbol-dependent stuff */ | |
428d312b | 650 | if (the_insn.reloc != BFD_RELOC_NONE) |
355afbcd | 651 | { |
5ac34ac3 ILT |
652 | fix_new_exp (frag_now, /* which frag */ |
653 | (toP - frag_now->fr_literal), /* where */ | |
654 | 4, /* size */ | |
655 | &the_insn.exp, | |
656 | the_insn.pcrel, | |
657 | the_insn.reloc); | |
355afbcd | 658 | } |
428d312b | 659 | |
355afbcd KR |
660 | switch (special_case) |
661 | { | |
355afbcd KR |
662 | case SPECIAL_CASE_SET: |
663 | special_case = 0; | |
428d312b | 664 | assert (the_insn.reloc == BFD_RELOC_HI22); |
355afbcd | 665 | /* See if "set" operand has no low-order bits; skip OR if so. */ |
5ac34ac3 | 666 | if (the_insn.exp.X_op == O_constant |
355afbcd KR |
667 | && ((the_insn.exp.X_add_number & 0x3FF) == 0)) |
668 | return; | |
669 | toP = frag_more (4); | |
670 | rsd = (the_insn.opcode >> 25) & 0x1f; | |
671 | the_insn.opcode = 0x80102000 | (rsd << 25) | (rsd << 14); | |
125f0b0d | 672 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
5ac34ac3 ILT |
673 | fix_new_exp (frag_now, /* which frag */ |
674 | (toP - frag_now->fr_literal), /* where */ | |
675 | 4, /* size */ | |
676 | &the_insn.exp, | |
677 | the_insn.pcrel, | |
678 | BFD_RELOC_LO10); | |
355afbcd KR |
679 | return; |
680 | ||
681 | case SPECIAL_CASE_FDIV: | |
682 | /* According to information leaked from Sun, the "fdiv" instructions | |
8fc0776d JW |
683 | on early SPARC machines would produce incorrect results sometimes. |
684 | The workaround is to add an fmovs of the destination register to | |
685 | itself just after the instruction. This was true on machines | |
686 | with Weitek 1165 float chips, such as the Sun-4/260 and /280. */ | |
355afbcd | 687 | special_case = 0; |
428d312b | 688 | assert (the_insn.reloc == BFD_RELOC_NONE); |
355afbcd KR |
689 | toP = frag_more (4); |
690 | rsd = (the_insn.opcode >> 25) & 0x1f; | |
691 | the_insn.opcode = 0x81A00020 | (rsd << 25) | rsd; /* fmovs dest,dest */ | |
125f0b0d | 692 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
355afbcd KR |
693 | return; |
694 | ||
695 | case 0: | |
696 | return; | |
697 | ||
698 | default: | |
699 | as_fatal ("failed sanity check."); | |
700 | } | |
9b6a882e | 701 | } |
355afbcd | 702 | |
5e0a90a8 KR |
703 | /* Implement big shift right. */ |
704 | static bfd_vma | |
705 | BSR (val, amount) | |
706 | bfd_vma val; | |
707 | int amount; | |
708 | { | |
709 | if (sizeof (bfd_vma) <= 4 && amount >= 32) | |
710 | as_fatal ("Support for 64-bit arithmetic not compiled in."); | |
711 | return val >> amount; | |
712 | } | |
713 | ||
355afbcd KR |
714 | static void |
715 | sparc_ip (str) | |
716 | char *str; | |
fecd2382 | 717 | { |
355afbcd KR |
718 | char *error_message = ""; |
719 | char *s; | |
720 | const char *args; | |
721 | char c; | |
722 | struct sparc_opcode *insn; | |
723 | char *argsStart; | |
724 | unsigned long opcode; | |
725 | unsigned int mask = 0; | |
726 | int match = 0; | |
727 | int comma = 0; | |
728 | long immediate_max = 0; | |
729 | ||
730 | for (s = str; islower (*s) || (*s >= '0' && *s <= '3'); ++s) | |
731 | ; | |
732 | switch (*s) | |
733 | { | |
734 | ||
735 | case '\0': | |
736 | break; | |
737 | ||
738 | case ',': | |
739 | comma = 1; | |
740 | ||
741 | /*FALLTHROUGH */ | |
742 | ||
743 | case ' ': | |
744 | *s++ = '\0'; | |
745 | break; | |
746 | ||
747 | default: | |
748 | as_bad ("Unknown opcode: `%s'", str); | |
749 | exit (1); | |
750 | } | |
751 | if ((insn = (struct sparc_opcode *) hash_find (op_hash, str)) == NULL) | |
752 | { | |
753 | as_bad ("Unknown opcode: `%s'", str); | |
754 | return; | |
755 | } | |
756 | if (comma) | |
757 | { | |
758 | *--s = ','; | |
759 | } | |
760 | argsStart = s; | |
761 | for (;;) | |
762 | { | |
763 | opcode = insn->match; | |
764 | memset (&the_insn, '\0', sizeof (the_insn)); | |
428d312b | 765 | the_insn.reloc = BFD_RELOC_NONE; |
355afbcd KR |
766 | |
767 | /* | |
8fc0776d JW |
768 | * Build the opcode, checking as we go to make |
769 | * sure that the operands match | |
770 | */ | |
355afbcd KR |
771 | for (args = insn->args;; ++args) |
772 | { | |
773 | switch (*args) | |
774 | { | |
680227f3 | 775 | #ifndef NO_V9 |
355afbcd KR |
776 | case 'K': |
777 | { | |
7766838e | 778 | int kmask = 0; |
ed9638af KR |
779 | int i; |
780 | ||
781 | /* Parse a series of masks. */ | |
782 | if (*s == '#') | |
355afbcd | 783 | { |
ed9638af | 784 | while (*s == '#') |
355afbcd | 785 | { |
ed9638af KR |
786 | ++s; |
787 | for (i = 0; i < MEMBAR_MASKS_SIZE; i++) | |
788 | if (!strncmp (s, membar_masks[i].name, | |
789 | membar_masks[i].len)) | |
790 | break; | |
791 | if (i < MEMBAR_MASKS_SIZE) | |
792 | { | |
7766838e | 793 | kmask |= membar_masks[i].mask; |
ed9638af KR |
794 | s += membar_masks[i].len; |
795 | } | |
796 | else | |
797 | { | |
798 | error_message = ": invalid membar mask name"; | |
799 | goto error; | |
800 | } | |
801 | if (*s == '|') | |
802 | ++s; | |
355afbcd | 803 | } |
ed9638af | 804 | } |
c999fd9f | 805 | else |
ed9638af | 806 | { |
c999fd9f KR |
807 | expressionS exp; |
808 | char *hold; | |
9b2fd75b | 809 | char *send; |
ed9638af | 810 | |
c999fd9f KR |
811 | hold = input_line_pointer; |
812 | input_line_pointer = s; | |
813 | expression (&exp); | |
814 | send = input_line_pointer; | |
815 | input_line_pointer = hold; | |
816 | ||
817 | kmask = exp.X_add_number; | |
818 | if (exp.X_op != O_constant | |
819 | || kmask < 0 | |
820 | || kmask > 127) | |
ed9638af KR |
821 | { |
822 | error_message = ": invalid membar mask number"; | |
823 | goto error; | |
355afbcd | 824 | } |
c999fd9f | 825 | |
9b2fd75b | 826 | s = send; |
355afbcd | 827 | } |
c999fd9f | 828 | |
7766838e | 829 | opcode |= SIMM13 (kmask); |
355afbcd KR |
830 | continue; |
831 | } | |
832 | ||
833 | case '*': | |
ed9638af KR |
834 | { |
835 | int prefetch_fcn = 0; | |
355afbcd | 836 | |
ed9638af KR |
837 | /* Parse a prefetch function. */ |
838 | if (*s == '#') | |
839 | { | |
840 | s += 1; | |
841 | if (!strncmp (s, "n_reads", 7)) | |
842 | prefetch_fcn = 0, s += 7; | |
843 | else if (!strncmp (s, "one_read", 8)) | |
844 | prefetch_fcn = 1, s += 8; | |
845 | else if (!strncmp (s, "n_writes", 8)) | |
846 | prefetch_fcn = 2, s += 8; | |
847 | else if (!strncmp (s, "one_write", 9)) | |
848 | prefetch_fcn = 3, s += 9; | |
849 | else if (!strncmp (s, "page", 4)) | |
850 | prefetch_fcn = 4, s += 4; | |
851 | else | |
852 | { | |
853 | error_message = ": invalid prefetch function name"; | |
854 | goto error; | |
855 | } | |
856 | } | |
857 | else if (isdigit (*s)) | |
858 | { | |
859 | while (isdigit (*s)) | |
860 | { | |
861 | prefetch_fcn = prefetch_fcn * 10 + *s - '0'; | |
862 | ++s; | |
863 | } | |
864 | ||
865 | if (prefetch_fcn < 0 || prefetch_fcn > 31) | |
866 | { | |
867 | error_message = ": invalid prefetch function number"; | |
868 | goto error; | |
869 | } | |
870 | } | |
871 | else | |
872 | { | |
873 | error_message = ": unrecognizable prefetch function"; | |
874 | goto error; | |
875 | } | |
876 | opcode |= RD (prefetch_fcn); | |
877 | continue; | |
878 | } | |
355afbcd KR |
879 | |
880 | case '!': | |
881 | case '?': | |
882 | /* Parse a privileged register. */ | |
883 | if (*s == '%') | |
884 | { | |
885 | struct priv_reg_entry *p = priv_reg_table; | |
7766838e | 886 | unsigned int len = 9999999; /* init to make gcc happy */ |
355afbcd KR |
887 | |
888 | s += 1; | |
889 | while (p->name[0] > s[0]) | |
890 | p++; | |
891 | while (p->name[0] == s[0]) | |
892 | { | |
893 | len = strlen (p->name); | |
894 | if (strncmp (p->name, s, len) == 0) | |
895 | break; | |
896 | p++; | |
897 | } | |
898 | if (p->name[0] != s[0]) | |
899 | { | |
ed9638af | 900 | error_message = ": unrecognizable privileged register"; |
355afbcd KR |
901 | goto error; |
902 | } | |
903 | if (*args == '?') | |
904 | opcode |= (p->regnum << 14); | |
905 | else | |
906 | opcode |= (p->regnum << 25); | |
907 | s += len; | |
908 | continue; | |
909 | } | |
910 | else | |
911 | { | |
ed9638af | 912 | error_message = ": unrecognizable privileged register"; |
355afbcd KR |
913 | goto error; |
914 | } | |
915 | #endif | |
680227f3 | 916 | |
355afbcd KR |
917 | case 'M': |
918 | case 'm': | |
919 | if (strncmp (s, "%asr", 4) == 0) | |
920 | { | |
921 | s += 4; | |
680227f3 | 922 | |
355afbcd KR |
923 | if (isdigit (*s)) |
924 | { | |
925 | long num = 0; | |
926 | ||
927 | while (isdigit (*s)) | |
928 | { | |
929 | num = num * 10 + *s - '0'; | |
930 | ++s; | |
931 | } | |
932 | ||
933 | if (num < 16 || 31 < num) | |
934 | { | |
935 | error_message = ": asr number must be between 15 and 31"; | |
936 | goto error; | |
937 | } /* out of range */ | |
938 | ||
939 | opcode |= (*args == 'M' ? RS1 (num) : RD (num)); | |
940 | continue; | |
941 | } | |
942 | else | |
943 | { | |
944 | error_message = ": expecting %asrN"; | |
945 | goto error; | |
946 | } /* if %asr followed by a number. */ | |
947 | ||
948 | } /* if %asr */ | |
949 | break; | |
950 | ||
355afbcd KR |
951 | #ifndef NO_V9 |
952 | case 'I': | |
125f0b0d | 953 | the_insn.reloc = BFD_RELOC_SPARC_11; |
355afbcd KR |
954 | immediate_max = 0x03FF; |
955 | goto immediate; | |
956 | ||
957 | case 'j': | |
125f0b0d | 958 | the_insn.reloc = BFD_RELOC_SPARC_10; |
355afbcd KR |
959 | immediate_max = 0x01FF; |
960 | goto immediate; | |
961 | ||
962 | case 'k': | |
125f0b0d | 963 | the_insn.reloc = /* RELOC_WDISP2_14 */ BFD_RELOC_SPARC_WDISP16; |
355afbcd KR |
964 | the_insn.pcrel = 1; |
965 | goto immediate; | |
966 | ||
967 | case 'G': | |
125f0b0d | 968 | the_insn.reloc = BFD_RELOC_SPARC_WDISP19; |
355afbcd KR |
969 | the_insn.pcrel = 1; |
970 | goto immediate; | |
971 | ||
972 | case 'N': | |
973 | if (*s == 'p' && s[1] == 'n') | |
974 | { | |
975 | s += 2; | |
976 | continue; | |
977 | } | |
978 | break; | |
979 | ||
980 | case 'T': | |
981 | if (*s == 'p' && s[1] == 't') | |
982 | { | |
983 | s += 2; | |
984 | continue; | |
985 | } | |
986 | break; | |
987 | ||
988 | case 'z': | |
989 | if (*s == ' ') | |
990 | { | |
991 | ++s; | |
992 | } | |
0d44b3d1 | 993 | if (strncmp (s, "%icc", 4) == 0) |
355afbcd | 994 | { |
0d44b3d1 | 995 | s += 4; |
355afbcd KR |
996 | continue; |
997 | } | |
998 | break; | |
999 | ||
1000 | case 'Z': | |
1001 | if (*s == ' ') | |
1002 | { | |
1003 | ++s; | |
1004 | } | |
0d44b3d1 | 1005 | if (strncmp (s, "%xcc", 4) == 0) |
355afbcd | 1006 | { |
0d44b3d1 | 1007 | s += 4; |
355afbcd KR |
1008 | continue; |
1009 | } | |
1010 | break; | |
1011 | ||
1012 | case '6': | |
1013 | if (*s == ' ') | |
1014 | { | |
1015 | ++s; | |
1016 | } | |
0d44b3d1 | 1017 | if (strncmp (s, "%fcc0", 5) == 0) |
355afbcd | 1018 | { |
0d44b3d1 | 1019 | s += 5; |
355afbcd KR |
1020 | continue; |
1021 | } | |
1022 | break; | |
1023 | ||
1024 | case '7': | |
1025 | if (*s == ' ') | |
1026 | { | |
1027 | ++s; | |
1028 | } | |
0d44b3d1 | 1029 | if (strncmp (s, "%fcc1", 5) == 0) |
355afbcd | 1030 | { |
0d44b3d1 | 1031 | s += 5; |
355afbcd KR |
1032 | continue; |
1033 | } | |
1034 | break; | |
1035 | ||
1036 | case '8': | |
1037 | if (*s == ' ') | |
1038 | { | |
1039 | ++s; | |
1040 | } | |
0d44b3d1 | 1041 | if (strncmp (s, "%fcc2", 5) == 0) |
355afbcd | 1042 | { |
0d44b3d1 | 1043 | s += 5; |
355afbcd KR |
1044 | continue; |
1045 | } | |
1046 | break; | |
1047 | ||
1048 | case '9': | |
1049 | if (*s == ' ') | |
1050 | { | |
1051 | ++s; | |
1052 | } | |
0d44b3d1 | 1053 | if (strncmp (s, "%fcc3", 5) == 0) |
355afbcd | 1054 | { |
0d44b3d1 | 1055 | s += 5; |
355afbcd KR |
1056 | continue; |
1057 | } | |
1058 | break; | |
1059 | ||
1060 | case 'P': | |
1061 | if (strncmp (s, "%pc", 3) == 0) | |
1062 | { | |
1063 | s += 3; | |
1064 | continue; | |
1065 | } | |
1066 | break; | |
1067 | ||
1068 | case 'W': | |
1069 | if (strncmp (s, "%tick", 5) == 0) | |
1070 | { | |
1071 | s += 5; | |
1072 | continue; | |
1073 | } | |
1074 | break; | |
1075 | #endif /* NO_V9 */ | |
355afbcd KR |
1076 | |
1077 | case '\0': /* end of args */ | |
1078 | if (*s == '\0') | |
1079 | { | |
1080 | match = 1; | |
1081 | } | |
1082 | break; | |
1083 | ||
1084 | case '+': | |
1085 | if (*s == '+') | |
1086 | { | |
1087 | ++s; | |
1088 | continue; | |
1089 | } | |
1090 | if (*s == '-') | |
1091 | { | |
1092 | continue; | |
1093 | } | |
1094 | break; | |
1095 | ||
1096 | case '[': /* these must match exactly */ | |
1097 | case ']': | |
1098 | case ',': | |
1099 | case ' ': | |
1100 | if (*s++ == *args) | |
1101 | continue; | |
1102 | break; | |
1103 | ||
1104 | case '#': /* must be at least one digit */ | |
1105 | if (isdigit (*s++)) | |
1106 | { | |
1107 | while (isdigit (*s)) | |
1108 | { | |
1109 | ++s; | |
1110 | } | |
1111 | continue; | |
1112 | } | |
1113 | break; | |
1114 | ||
1115 | case 'C': /* coprocessor state register */ | |
1116 | if (strncmp (s, "%csr", 4) == 0) | |
1117 | { | |
1118 | s += 4; | |
1119 | continue; | |
1120 | } | |
1121 | break; | |
1122 | ||
1123 | case 'b': /* next operand is a coprocessor register */ | |
1124 | case 'c': | |
1125 | case 'D': | |
1126 | if (*s++ == '%' && *s++ == 'c' && isdigit (*s)) | |
1127 | { | |
1128 | mask = *s++; | |
1129 | if (isdigit (*s)) | |
1130 | { | |
1131 | mask = 10 * (mask - '0') + (*s++ - '0'); | |
1132 | if (mask >= 32) | |
1133 | { | |
1134 | break; | |
1135 | } | |
1136 | } | |
1137 | else | |
1138 | { | |
1139 | mask -= '0'; | |
1140 | } | |
1141 | switch (*args) | |
1142 | { | |
1143 | ||
1144 | case 'b': | |
1145 | opcode |= mask << 14; | |
1146 | continue; | |
1147 | ||
1148 | case 'c': | |
1149 | opcode |= mask; | |
1150 | continue; | |
1151 | ||
1152 | case 'D': | |
1153 | opcode |= mask << 25; | |
1154 | continue; | |
1155 | } | |
1156 | } | |
1157 | break; | |
1158 | ||
1159 | case 'r': /* next operand must be a register */ | |
1160 | case '1': | |
1161 | case '2': | |
1162 | case 'd': | |
1163 | if (*s++ == '%') | |
1164 | { | |
1165 | switch (c = *s++) | |
1166 | { | |
1167 | ||
1168 | case 'f': /* frame pointer */ | |
1169 | if (*s++ == 'p') | |
1170 | { | |
1171 | mask = 0x1e; | |
1172 | break; | |
1173 | } | |
1174 | goto error; | |
1175 | ||
1176 | case 'g': /* global register */ | |
1177 | if (isoctal (c = *s++)) | |
1178 | { | |
1179 | mask = c - '0'; | |
1180 | break; | |
1181 | } | |
1182 | goto error; | |
1183 | ||
1184 | case 'i': /* in register */ | |
1185 | if (isoctal (c = *s++)) | |
1186 | { | |
1187 | mask = c - '0' + 24; | |
1188 | break; | |
1189 | } | |
1190 | goto error; | |
1191 | ||
1192 | case 'l': /* local register */ | |
1193 | if (isoctal (c = *s++)) | |
1194 | { | |
1195 | mask = (c - '0' + 16); | |
1196 | break; | |
1197 | } | |
1198 | goto error; | |
1199 | ||
1200 | case 'o': /* out register */ | |
1201 | if (isoctal (c = *s++)) | |
1202 | { | |
1203 | mask = (c - '0' + 8); | |
1204 | break; | |
1205 | } | |
1206 | goto error; | |
1207 | ||
1208 | case 's': /* stack pointer */ | |
1209 | if (*s++ == 'p') | |
1210 | { | |
1211 | mask = 0xe; | |
1212 | break; | |
1213 | } | |
1214 | goto error; | |
1215 | ||
1216 | case 'r': /* any register */ | |
1217 | if (!isdigit (c = *s++)) | |
1218 | { | |
1219 | goto error; | |
1220 | } | |
1221 | /* FALLTHROUGH */ | |
1222 | case '0': | |
1223 | case '1': | |
1224 | case '2': | |
1225 | case '3': | |
1226 | case '4': | |
1227 | case '5': | |
1228 | case '6': | |
1229 | case '7': | |
1230 | case '8': | |
1231 | case '9': | |
1232 | if (isdigit (*s)) | |
1233 | { | |
1234 | if ((c = 10 * (c - '0') + (*s++ - '0')) >= 32) | |
680227f3 | 1235 | { |
680227f3 KR |
1236 | goto error; |
1237 | } | |
355afbcd KR |
1238 | } |
1239 | else | |
1240 | { | |
1241 | c -= '0'; | |
1242 | } | |
1243 | mask = c; | |
1244 | break; | |
1245 | ||
1246 | default: | |
1247 | goto error; | |
1248 | } | |
1249 | /* | |
680227f3 KR |
1250 | * Got the register, now figure out where |
1251 | * it goes in the opcode. | |
1252 | */ | |
355afbcd KR |
1253 | switch (*args) |
1254 | { | |
1255 | ||
1256 | case '1': | |
1257 | opcode |= mask << 14; | |
1258 | continue; | |
1259 | ||
1260 | case '2': | |
1261 | opcode |= mask; | |
1262 | continue; | |
1263 | ||
1264 | case 'd': | |
1265 | opcode |= mask << 25; | |
1266 | continue; | |
1267 | ||
1268 | case 'r': | |
1269 | opcode |= (mask << 25) | (mask << 14); | |
1270 | continue; | |
1271 | } | |
1272 | } | |
1273 | break; | |
1274 | ||
1275 | case 'e': /* next operand is a floating point register */ | |
1276 | case 'v': | |
1277 | case 'V': | |
1278 | ||
1279 | case 'f': | |
1280 | case 'B': | |
1281 | case 'R': | |
1282 | ||
1283 | case 'g': | |
1284 | case 'H': | |
1285 | case 'J': | |
1286 | { | |
1287 | char format; | |
1288 | ||
1289 | if (*s++ == '%' | |
355afbcd | 1290 | && ((format = *s) == 'f') |
355afbcd KR |
1291 | && isdigit (*++s)) |
1292 | { | |
355afbcd KR |
1293 | for (mask = 0; isdigit (*s); ++s) |
1294 | { | |
1295 | mask = 10 * mask + (*s - '0'); | |
1296 | } /* read the number */ | |
1297 | ||
1298 | if ((*args == 'v' | |
1299 | || *args == 'B' | |
1300 | || *args == 'H') | |
1301 | && (mask & 1)) | |
1302 | { | |
1303 | break; | |
1304 | } /* register must be even numbered */ | |
1305 | ||
1306 | if ((*args == 'V' | |
1307 | || *args == 'R' | |
1308 | || *args == 'J') | |
1309 | && (mask & 3)) | |
1310 | { | |
1311 | break; | |
1312 | } /* register must be multiple of 4 */ | |
1313 | ||
a79c6033 | 1314 | #ifndef NO_V9 |
125f0b0d | 1315 | if (mask >= 64) |
355afbcd | 1316 | { |
125f0b0d KR |
1317 | error_message = ": There are only 64 f registers; [0-63]"; |
1318 | goto error; | |
1319 | } /* on error */ | |
1320 | if (mask >= 32) | |
1321 | { | |
1322 | mask -= 31; | |
1323 | } /* wrap high bit */ | |
1324 | #else | |
125f0b0d KR |
1325 | if (mask >= 32) |
1326 | { | |
1327 | error_message = ": There are only 32 f registers; [0-31]"; | |
1328 | goto error; | |
1329 | } /* on error */ | |
125f0b0d | 1330 | #endif |
125f0b0d KR |
1331 | } |
1332 | else | |
1333 | { | |
1334 | break; | |
1335 | } /* if not an 'f' register. */ | |
355afbcd KR |
1336 | |
1337 | switch (*args) | |
1338 | { | |
1339 | ||
1340 | case 'v': | |
1341 | case 'V': | |
1342 | case 'e': | |
1343 | opcode |= RS1 (mask); | |
1344 | continue; | |
1345 | ||
1346 | ||
1347 | case 'f': | |
1348 | case 'B': | |
1349 | case 'R': | |
1350 | opcode |= RS2 (mask); | |
1351 | continue; | |
1352 | ||
1353 | case 'g': | |
1354 | case 'H': | |
1355 | case 'J': | |
1356 | opcode |= RD (mask); | |
1357 | continue; | |
1358 | } /* pack it in. */ | |
1359 | ||
1360 | know (0); | |
1361 | break; | |
1362 | } /* float arg */ | |
1363 | ||
1364 | case 'F': | |
1365 | if (strncmp (s, "%fsr", 4) == 0) | |
1366 | { | |
1367 | s += 4; | |
1368 | continue; | |
1369 | } | |
1370 | break; | |
1371 | ||
1372 | case 'h': /* high 22 bits */ | |
428d312b | 1373 | the_insn.reloc = BFD_RELOC_HI22; |
355afbcd KR |
1374 | goto immediate; |
1375 | ||
1376 | case 'l': /* 22 bit PC relative immediate */ | |
428d312b | 1377 | the_insn.reloc = BFD_RELOC_SPARC_WDISP22; |
355afbcd KR |
1378 | the_insn.pcrel = 1; |
1379 | goto immediate; | |
1380 | ||
1381 | case 'L': /* 30 bit immediate */ | |
428d312b | 1382 | the_insn.reloc = BFD_RELOC_32_PCREL_S2; |
355afbcd KR |
1383 | the_insn.pcrel = 1; |
1384 | goto immediate; | |
1385 | ||
1386 | case 'n': /* 22 bit immediate */ | |
428d312b | 1387 | the_insn.reloc = BFD_RELOC_SPARC22; |
355afbcd KR |
1388 | goto immediate; |
1389 | ||
1390 | case 'i': /* 13 bit immediate */ | |
7ab2e983 | 1391 | the_insn.reloc = BFD_RELOC_SPARC13; |
355afbcd KR |
1392 | immediate_max = 0x0FFF; |
1393 | ||
1394 | /*FALLTHROUGH */ | |
1395 | ||
1396 | immediate: | |
1397 | if (*s == ' ') | |
1398 | s++; | |
1399 | if (*s == '%') | |
1400 | { | |
1401 | if ((c = s[1]) == 'h' && s[2] == 'i') | |
1402 | { | |
428d312b | 1403 | the_insn.reloc = BFD_RELOC_HI22; |
355afbcd KR |
1404 | s += 3; |
1405 | } | |
1406 | else if (c == 'l' && s[2] == 'o') | |
1407 | { | |
428d312b | 1408 | the_insn.reloc = BFD_RELOC_LO10; |
355afbcd | 1409 | s += 3; |
355afbcd | 1410 | } |
9b6a882e | 1411 | #ifndef NO_V9 |
355afbcd KR |
1412 | else if (c == 'u' |
1413 | && s[2] == 'h' | |
1414 | && s[3] == 'i') | |
1415 | { | |
125f0b0d | 1416 | the_insn.reloc = BFD_RELOC_SPARC_HH22; |
355afbcd | 1417 | s += 4; |
355afbcd KR |
1418 | } |
1419 | else if (c == 'u' | |
1420 | && s[2] == 'l' | |
1421 | && s[3] == 'o') | |
1422 | { | |
125f0b0d | 1423 | the_insn.reloc = BFD_RELOC_SPARC_HM10; |
355afbcd | 1424 | s += 4; |
355afbcd | 1425 | } |
9b6a882e | 1426 | #endif /* NO_V9 */ |
355afbcd KR |
1427 | else |
1428 | break; | |
1429 | } | |
9b6a882e KR |
1430 | /* Note that if the getExpression() fails, we will still |
1431 | have created U entries in the symbol table for the | |
1432 | 'symbols' in the input string. Try not to create U | |
1433 | symbols for registers, etc. */ | |
355afbcd | 1434 | { |
9b6a882e KR |
1435 | /* This stuff checks to see if the expression ends in |
1436 | +%reg. If it does, it removes the register from | |
1437 | the expression, and re-sets 's' to point to the | |
1438 | right place. */ | |
355afbcd KR |
1439 | |
1440 | char *s1; | |
1441 | ||
1442 | for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++);; | |
1443 | ||
1444 | if (s1 != s && isdigit (s1[-1])) | |
1445 | { | |
1446 | if (s1[-2] == '%' && s1[-3] == '+') | |
1447 | { | |
1448 | s1 -= 3; | |
1449 | *s1 = '\0'; | |
1450 | (void) getExpression (s); | |
1451 | *s1 = '+'; | |
1452 | s = s1; | |
1453 | continue; | |
1454 | } | |
1455 | else if (strchr ("goli0123456789", s1[-2]) && s1[-3] == '%' && s1[-4] == '+') | |
1456 | { | |
1457 | s1 -= 4; | |
1458 | *s1 = '\0'; | |
1459 | (void) getExpression (s); | |
1460 | *s1 = '+'; | |
1461 | s = s1; | |
1462 | continue; | |
1463 | } | |
1464 | } | |
1465 | } | |
1466 | (void) getExpression (s); | |
1467 | s = expr_end; | |
1468 | ||
9b6a882e KR |
1469 | if (the_insn.exp.X_op == O_constant |
1470 | && the_insn.exp.X_add_symbol == 0 | |
1471 | && the_insn.exp.X_op_symbol == 0) | |
1472 | { | |
0cef0e20 | 1473 | #ifndef NO_V9 |
7ab2e983 ILT |
1474 | /* Handle %uhi/%ulo by moving the upper word to the lower |
1475 | one and pretending it's %hi/%lo. We also need to watch | |
1476 | for %hi/%lo: the top word needs to be zeroed otherwise | |
1477 | fixup_segment will complain the value is too big. */ | |
9b6a882e KR |
1478 | switch (the_insn.reloc) |
1479 | { | |
1480 | case BFD_RELOC_SPARC_HH22: | |
1481 | the_insn.reloc = BFD_RELOC_HI22; | |
5e0a90a8 | 1482 | the_insn.exp.X_add_number = BSR (the_insn.exp.X_add_number, 32); |
9b6a882e KR |
1483 | break; |
1484 | case BFD_RELOC_SPARC_HM10: | |
1485 | the_insn.reloc = BFD_RELOC_LO10; | |
5e0a90a8 | 1486 | the_insn.exp.X_add_number = BSR (the_insn.exp.X_add_number, 32); |
9b6a882e | 1487 | break; |
c999fd9f KR |
1488 | default: |
1489 | break; | |
7ab2e983 ILT |
1490 | case BFD_RELOC_HI22: |
1491 | case BFD_RELOC_LO10: | |
1492 | the_insn.exp.X_add_number &= 0xffffffff; | |
1493 | break; | |
9b6a882e | 1494 | } |
0cef0e20 | 1495 | #endif |
7ab2e983 ILT |
1496 | /* For pc-relative call instructions, we reject |
1497 | constants to get better code. */ | |
1498 | if (the_insn.pcrel | |
1499 | && the_insn.reloc == BFD_RELOC_32_PCREL_S2 | |
1500 | && in_signed_range (the_insn.exp.X_add_number, 0x3fff) | |
1501 | ) | |
1502 | { | |
1503 | error_message = ": PC-relative operand can't be a constant"; | |
1504 | goto error; | |
1505 | } | |
9b6a882e KR |
1506 | /* Check for invalid constant values. Don't warn if |
1507 | constant was inside %hi or %lo, since these | |
1508 | truncate the constant to fit. */ | |
1509 | if (immediate_max != 0 | |
1510 | && the_insn.reloc != BFD_RELOC_LO10 | |
1511 | && the_insn.reloc != BFD_RELOC_HI22 | |
7ab2e983 ILT |
1512 | && !in_signed_range (the_insn.exp.X_add_number, |
1513 | immediate_max) | |
1514 | ) | |
1515 | { | |
1516 | if (the_insn.pcrel) | |
1517 | /* Who knows? After relocation, we may be within | |
1518 | range. Let the linker figure it out. */ | |
1519 | { | |
1520 | the_insn.exp.X_op = O_symbol; | |
1521 | the_insn.exp.X_add_symbol = section_symbol (absolute_section); | |
1522 | } | |
1523 | else | |
1524 | /* Immediate value is non-pcrel, and out of | |
1525 | range. */ | |
1526 | as_bad ("constant value %ld out of range (%ld .. %ld)", | |
1527 | the_insn.exp.X_add_number, | |
1528 | ~immediate_max, immediate_max); | |
1529 | } | |
9b6a882e KR |
1530 | } |
1531 | ||
355afbcd KR |
1532 | /* Reset to prevent extraneous range check. */ |
1533 | immediate_max = 0; | |
1534 | ||
1535 | continue; | |
1536 | ||
1537 | case 'a': | |
1538 | if (*s++ == 'a') | |
1539 | { | |
1540 | opcode |= ANNUL; | |
1541 | continue; | |
1542 | } | |
1543 | break; | |
1544 | ||
1545 | case 'A': | |
1546 | { | |
ed9638af | 1547 | #ifdef NO_V9 |
355afbcd KR |
1548 | char *push = input_line_pointer; |
1549 | expressionS e; | |
1550 | ||
1551 | input_line_pointer = s; | |
1552 | ||
5ac34ac3 ILT |
1553 | expression (&e); |
1554 | if (e.X_op == O_constant) | |
355afbcd KR |
1555 | { |
1556 | opcode |= e.X_add_number << 5; | |
1557 | s = input_line_pointer; | |
1558 | input_line_pointer = push; | |
1559 | continue; | |
1560 | } /* if absolute */ | |
1561 | ||
1562 | break; | |
ed9638af KR |
1563 | #else |
1564 | int asi = 0; | |
1565 | ||
1566 | /* Parse an asi. */ | |
1567 | if (*s == '#') | |
1568 | { | |
1569 | s += 1; | |
1570 | if (!strncmp (s, "ASI_AIUP", 8)) | |
1571 | asi = 0x10, s += 8; | |
1572 | else if (!strncmp (s, "ASI_AIUS", 8)) | |
1573 | asi = 0x11, s += 8; | |
1574 | else if (!strncmp (s, "ASI_PNF", 7)) | |
1575 | asi = 0x82, s += 7; | |
1576 | else if (!strncmp (s, "ASI_SNF", 7)) | |
1577 | asi = 0x83, s += 7; | |
1578 | else if (!strncmp (s, "ASI_P", 5)) | |
1579 | asi = 0x80, s += 5; | |
1580 | else if (!strncmp (s, "ASI_S", 5)) | |
1581 | asi = 0x81, s += 5; | |
1582 | else | |
1583 | { | |
1584 | error_message = ": invalid asi name"; | |
1585 | goto error; | |
1586 | } | |
1587 | } | |
1588 | else if (isdigit (*s)) | |
1589 | { | |
1590 | char *push = input_line_pointer; | |
1591 | input_line_pointer = s; | |
1592 | asi = get_absolute_expression (); | |
1593 | s = input_line_pointer; | |
1594 | input_line_pointer = push; | |
1595 | ||
1596 | if (asi < 0 || asi > 255) | |
1597 | { | |
1598 | error_message = ": invalid asi number"; | |
1599 | goto error; | |
1600 | } | |
1601 | } | |
1602 | else | |
1603 | { | |
1604 | error_message = ": unrecognizable asi"; | |
1605 | goto error; | |
1606 | } | |
1607 | opcode |= ASI (asi); | |
1608 | continue; | |
1609 | #endif | |
355afbcd KR |
1610 | } /* alternate space */ |
1611 | ||
1612 | case 'p': | |
1613 | if (strncmp (s, "%psr", 4) == 0) | |
1614 | { | |
1615 | s += 4; | |
1616 | continue; | |
1617 | } | |
1618 | break; | |
1619 | ||
1620 | case 'q': /* floating point queue */ | |
1621 | if (strncmp (s, "%fq", 3) == 0) | |
1622 | { | |
1623 | s += 3; | |
1624 | continue; | |
1625 | } | |
1626 | break; | |
1627 | ||
1628 | case 'Q': /* coprocessor queue */ | |
1629 | if (strncmp (s, "%cq", 3) == 0) | |
1630 | { | |
1631 | s += 3; | |
1632 | continue; | |
1633 | } | |
1634 | break; | |
1635 | ||
1636 | case 'S': | |
1637 | if (strcmp (str, "set") == 0) | |
1638 | { | |
1639 | special_case = SPECIAL_CASE_SET; | |
1640 | continue; | |
1641 | } | |
1642 | else if (strncmp (str, "fdiv", 4) == 0) | |
1643 | { | |
1644 | special_case = SPECIAL_CASE_FDIV; | |
1645 | continue; | |
1646 | } | |
1647 | break; | |
1648 | ||
680227f3 | 1649 | #ifndef NO_V9 |
355afbcd KR |
1650 | case 'o': |
1651 | if (strncmp (s, "%asi", 4) != 0) | |
1652 | break; | |
1653 | s += 4; | |
1654 | continue; | |
1655 | ||
1656 | case 's': | |
1657 | if (strncmp (s, "%fprs", 5) != 0) | |
1658 | break; | |
1659 | s += 5; | |
1660 | continue; | |
1661 | ||
1662 | case 'E': | |
1663 | if (strncmp (s, "%ccr", 4) != 0) | |
1664 | break; | |
1665 | s += 4; | |
1666 | continue; | |
680227f3 | 1667 | #endif /* NO_V9 */ |
680227f3 | 1668 | |
355afbcd KR |
1669 | case 't': |
1670 | if (strncmp (s, "%tbr", 4) != 0) | |
1671 | break; | |
1672 | s += 4; | |
1673 | continue; | |
1674 | ||
1675 | case 'w': | |
1676 | if (strncmp (s, "%wim", 4) != 0) | |
1677 | break; | |
1678 | s += 4; | |
1679 | continue; | |
1680 | ||
5e0a90a8 KR |
1681 | #ifndef NO_V9 |
1682 | case 'x': | |
1683 | { | |
1684 | char *push = input_line_pointer; | |
1685 | expressionS e; | |
1686 | ||
1687 | input_line_pointer = s; | |
1688 | expression (&e); | |
1689 | if (e.X_op == O_constant) | |
1690 | { | |
1691 | int n = e.X_add_number; | |
1692 | if (n != e.X_add_number || (n & ~0x1ff) != 0) | |
1693 | as_bad ("OPF immediate operand out of range (0-0x1ff)"); | |
1694 | else | |
1695 | opcode |= e.X_add_number << 5; | |
1696 | } | |
1697 | else | |
1698 | as_bad ("non-immediate OPF operand, ignored"); | |
1699 | s = input_line_pointer; | |
1700 | input_line_pointer = push; | |
1701 | continue; | |
1702 | } | |
1703 | #endif | |
1704 | ||
355afbcd KR |
1705 | case 'y': |
1706 | if (strncmp (s, "%y", 2) != 0) | |
1707 | break; | |
1708 | s += 2; | |
1709 | continue; | |
1710 | ||
1711 | default: | |
1712 | as_fatal ("failed sanity check."); | |
1713 | } /* switch on arg code */ | |
1714 | break; | |
1715 | } /* for each arg that we expect */ | |
1716 | error: | |
1717 | if (match == 0) | |
1718 | { | |
1719 | /* Args don't match. */ | |
1720 | if (((unsigned) (&insn[1] - sparc_opcodes)) < NUMOPCODES | |
1721 | && !strcmp (insn->name, insn[1].name)) | |
1722 | { | |
1723 | ++insn; | |
1724 | s = argsStart; | |
1725 | continue; | |
1726 | } | |
1727 | else | |
1728 | { | |
1729 | as_bad ("Illegal operands%s", error_message); | |
1730 | return; | |
1731 | } | |
1732 | } | |
1733 | else | |
1734 | { | |
5e0a90a8 KR |
1735 | if (insn->architecture > current_architecture |
1736 | || (insn->architecture != current_architecture | |
1737 | && current_architecture > v8)) | |
355afbcd KR |
1738 | { |
1739 | if ((!architecture_requested || warn_on_bump) | |
5e0a90a8 KR |
1740 | && !ARCHITECTURES_CONFLICT_P (current_architecture, |
1741 | insn->architecture) | |
1742 | && !ARCHITECTURES_CONFLICT_P (insn->architecture, | |
1743 | current_architecture)) | |
355afbcd KR |
1744 | { |
1745 | if (warn_on_bump) | |
1746 | { | |
1747 | as_warn ("architecture bumped from \"%s\" to \"%s\" on \"%s\"", | |
1748 | architecture_pname[current_architecture], | |
1749 | architecture_pname[insn->architecture], | |
1750 | str); | |
1751 | } /* if warning */ | |
fecd2382 | 1752 | |
355afbcd KR |
1753 | current_architecture = insn->architecture; |
1754 | } | |
1755 | else | |
1756 | { | |
5e0a90a8 KR |
1757 | as_bad ("Architecture mismatch on \"%s\".", str); |
1758 | as_tsktsk (" (Requires %s; current architecture is %s.)", | |
1759 | architecture_pname[insn->architecture], | |
1760 | architecture_pname[current_architecture]); | |
355afbcd KR |
1761 | return; |
1762 | } /* if bump ok else error */ | |
1763 | } /* if architecture higher */ | |
1764 | } /* if no match */ | |
1765 | ||
1766 | break; | |
1767 | } /* forever looking for a match */ | |
1768 | ||
1769 | the_insn.opcode = opcode; | |
c999fd9f | 1770 | } |
355afbcd KR |
1771 | |
1772 | static int | |
1773 | getExpression (str) | |
1774 | char *str; | |
fecd2382 | 1775 | { |
355afbcd KR |
1776 | char *save_in; |
1777 | segT seg; | |
1778 | ||
1779 | save_in = input_line_pointer; | |
1780 | input_line_pointer = str; | |
428d312b | 1781 | seg = expression (&the_insn.exp); |
58d4951d ILT |
1782 | if (seg != absolute_section |
1783 | && seg != text_section | |
1784 | && seg != data_section | |
1785 | && seg != bss_section | |
1786 | && seg != undefined_section) | |
355afbcd | 1787 | { |
355afbcd KR |
1788 | the_insn.error = "bad segment"; |
1789 | expr_end = input_line_pointer; | |
1790 | input_line_pointer = save_in; | |
1791 | return 1; | |
1792 | } | |
1793 | expr_end = input_line_pointer; | |
1794 | input_line_pointer = save_in; | |
1795 | return 0; | |
1796 | } /* getExpression() */ | |
fecd2382 RP |
1797 | |
1798 | ||
1799 | /* | |
1800 | This is identical to the md_atof in m68k.c. I think this is right, | |
1801 | but I'm not sure. | |
355afbcd | 1802 | |
fecd2382 RP |
1803 | Turn a string in input_line_pointer into a floating point constant of type |
1804 | type, and store the appropriate bytes in *litP. The number of LITTLENUMS | |
1805 | emitted is stored in *sizeP . An error message is returned, or NULL on OK. | |
1806 | */ | |
1807 | ||
1808 | /* Equal to MAX_PRECISION in atof-ieee.c */ | |
1809 | #define MAX_LITTLENUMS 6 | |
1810 | ||
355afbcd KR |
1811 | char * |
1812 | md_atof (type, litP, sizeP) | |
1813 | char type; | |
1814 | char *litP; | |
1815 | int *sizeP; | |
fecd2382 | 1816 | { |
355afbcd KR |
1817 | int prec; |
1818 | LITTLENUM_TYPE words[MAX_LITTLENUMS]; | |
1819 | LITTLENUM_TYPE *wordP; | |
1820 | char *t; | |
1821 | char *atof_ieee (); | |
1822 | ||
1823 | switch (type) | |
1824 | { | |
1825 | ||
1826 | case 'f': | |
1827 | case 'F': | |
1828 | case 's': | |
1829 | case 'S': | |
1830 | prec = 2; | |
1831 | break; | |
1832 | ||
1833 | case 'd': | |
1834 | case 'D': | |
1835 | case 'r': | |
1836 | case 'R': | |
1837 | prec = 4; | |
1838 | break; | |
1839 | ||
1840 | case 'x': | |
1841 | case 'X': | |
1842 | prec = 6; | |
1843 | break; | |
1844 | ||
1845 | case 'p': | |
1846 | case 'P': | |
1847 | prec = 6; | |
1848 | break; | |
1849 | ||
1850 | default: | |
1851 | *sizeP = 0; | |
1852 | return "Bad call to MD_ATOF()"; | |
1853 | } | |
1854 | t = atof_ieee (input_line_pointer, type, words); | |
1855 | if (t) | |
1856 | input_line_pointer = t; | |
1857 | *sizeP = prec * sizeof (LITTLENUM_TYPE); | |
1858 | for (wordP = words; prec--;) | |
1859 | { | |
125f0b0d | 1860 | md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE)); |
355afbcd KR |
1861 | litP += sizeof (LITTLENUM_TYPE); |
1862 | } | |
ed9638af KR |
1863 | return 0; |
1864 | } | |
fecd2382 RP |
1865 | |
1866 | /* | |
1867 | * Write out big-endian. | |
1868 | */ | |
355afbcd KR |
1869 | void |
1870 | md_number_to_chars (buf, val, n) | |
1871 | char *buf; | |
125f0b0d | 1872 | valueT val; |
355afbcd | 1873 | int n; |
fecd2382 | 1874 | { |
c999fd9f KR |
1875 | number_to_chars_bigendian (buf, val, n); |
1876 | } | |
fecd2382 RP |
1877 | |
1878 | /* Apply a fixS to the frags, now that we know the value it ought to | |
1879 | hold. */ | |
1880 | ||
428d312b | 1881 | int |
428d312b | 1882 | md_apply_fix (fixP, value) |
355afbcd | 1883 | fixS *fixP; |
125f0b0d | 1884 | valueT *value; |
fecd2382 | 1885 | { |
355afbcd | 1886 | char *buf = fixP->fx_where + fixP->fx_frag->fr_literal; |
125f0b0d | 1887 | offsetT val; |
428d312b | 1888 | |
428d312b | 1889 | val = *value; |
355afbcd | 1890 | |
428d312b | 1891 | assert (fixP->fx_r_type < BFD_RELOC_UNUSED); |
355afbcd KR |
1892 | |
1893 | fixP->fx_addnumber = val; /* Remember value for emit_reloc */ | |
1894 | ||
7766838e ILT |
1895 | #ifdef OBJ_ELF |
1896 | /* FIXME: SPARC ELF relocations don't use an addend in the data | |
1897 | field itself. This whole approach should be somehow combined | |
1898 | with the calls to bfd_perform_relocation. */ | |
1899 | if (fixP->fx_addsy != NULL) | |
1900 | return 1; | |
1901 | #endif | |
1902 | ||
c999fd9f KR |
1903 | /* This is a hack. There should be a better way to |
1904 | handle this. Probably in terms of howto fields, once | |
1905 | we can look at these fixups in terms of howtos. */ | |
428d312b | 1906 | if (fixP->fx_r_type == BFD_RELOC_32_PCREL_S2 && fixP->fx_addsy) |
c999fd9f | 1907 | val += fixP->fx_where + fixP->fx_frag->fr_address; |
355afbcd | 1908 | |
ade614d5 KR |
1909 | #ifdef OBJ_AOUT |
1910 | /* FIXME: More ridiculous gas reloc hacking. If we are going to | |
1911 | generate a reloc, then we just want to let the reloc addend set | |
1912 | the value. We do not want to also stuff the addend into the | |
1913 | object file. Including the addend in the object file works when | |
1914 | doing a static link, because the linker will ignore the object | |
1915 | file contents. However, the dynamic linker does not ignore the | |
1916 | object file contents. */ | |
1917 | if (fixP->fx_addsy != NULL | |
1918 | && fixP->fx_r_type != BFD_RELOC_32_PCREL_S2) | |
1919 | val = 0; | |
1920 | #endif | |
1921 | ||
355afbcd KR |
1922 | switch (fixP->fx_r_type) |
1923 | { | |
58d4951d ILT |
1924 | case BFD_RELOC_16: |
1925 | buf[0] = val >> 8; | |
1926 | buf[1] = val; | |
1927 | break; | |
1928 | ||
428d312b | 1929 | case BFD_RELOC_32: |
92421122 KR |
1930 | buf[0] = val >> 24; |
1931 | buf[1] = val >> 16; | |
1932 | buf[2] = val >> 8; | |
1933 | buf[3] = val; | |
355afbcd KR |
1934 | break; |
1935 | ||
428d312b | 1936 | case BFD_RELOC_32_PCREL_S2: |
355afbcd KR |
1937 | val = (val >>= 2) + 1; |
1938 | buf[0] |= (val >> 24) & 0x3f; | |
1939 | buf[1] = (val >> 16); | |
1940 | buf[2] = val >> 8; | |
1941 | buf[3] = val; | |
1942 | break; | |
1943 | ||
839df5c3 | 1944 | #ifndef NO_V9 |
693b21e7 | 1945 | case BFD_RELOC_64: |
5e0a90a8 KR |
1946 | { |
1947 | bfd_vma valh = BSR (val, 32); | |
1948 | buf[0] = valh >> 24; | |
1949 | buf[1] = valh >> 16; | |
1950 | buf[2] = valh >> 8; | |
1951 | buf[3] = valh; | |
1952 | buf[4] = val >> 24; | |
1953 | buf[5] = val >> 16; | |
1954 | buf[6] = val >> 8; | |
1955 | buf[7] = val; | |
1956 | } | |
693b21e7 KR |
1957 | break; |
1958 | ||
125f0b0d | 1959 | case BFD_RELOC_SPARC_11: |
355afbcd KR |
1960 | if (((val > 0) && (val & ~0x7ff)) |
1961 | || ((val < 0) && (~(val - 1) & ~0x7ff))) | |
1962 | { | |
1963 | as_bad ("relocation overflow."); | |
1964 | } /* on overflow */ | |
1965 | ||
1966 | buf[2] |= (val >> 8) & 0x7; | |
1967 | buf[3] = val & 0xff; | |
1968 | break; | |
1969 | ||
125f0b0d | 1970 | case BFD_RELOC_SPARC_10: |
355afbcd KR |
1971 | if (((val > 0) && (val & ~0x3ff)) |
1972 | || ((val < 0) && (~(val - 1) & ~0x3ff))) | |
1973 | { | |
1974 | as_bad ("relocation overflow."); | |
1975 | } /* on overflow */ | |
1976 | ||
1977 | buf[2] |= (val >> 8) & 0x3; | |
1978 | buf[3] = val & 0xff; | |
1979 | break; | |
1980 | ||
125f0b0d | 1981 | case BFD_RELOC_SPARC_WDISP16: |
355afbcd KR |
1982 | if (((val > 0) && (val & ~0x3fffc)) |
1983 | || ((val < 0) && (~(val - 1) & ~0x3fffc))) | |
1984 | { | |
1985 | as_bad ("relocation overflow."); | |
1986 | } /* on overflow */ | |
1987 | ||
1988 | val = (val >>= 2) + 1; | |
8fc0776d | 1989 | buf[1] |= ((val >> 14) & 0x3) << 4; |
355afbcd KR |
1990 | buf[2] |= (val >> 8) & 0x3f; |
1991 | buf[3] = val & 0xff; | |
1992 | break; | |
1993 | ||
125f0b0d | 1994 | case BFD_RELOC_SPARC_WDISP19: |
355afbcd KR |
1995 | if (((val > 0) && (val & ~0x1ffffc)) |
1996 | || ((val < 0) && (~(val - 1) & ~0x1ffffc))) | |
1997 | { | |
1998 | as_bad ("relocation overflow."); | |
1999 | } /* on overflow */ | |
2000 | ||
2001 | val = (val >>= 2) + 1; | |
2002 | buf[1] |= (val >> 16) & 0x7; | |
2003 | buf[2] = (val >> 8) & 0xff; | |
2004 | buf[3] = val & 0xff; | |
2005 | break; | |
2006 | ||
125f0b0d | 2007 | case BFD_RELOC_SPARC_HH22: |
5e0a90a8 | 2008 | val = BSR (val, 32); |
355afbcd | 2009 | /* intentional fallthrough */ |
839df5c3 | 2010 | #endif /* NO_V9 */ |
355afbcd | 2011 | |
125f0b0d KR |
2012 | #ifndef NO_V9 |
2013 | case BFD_RELOC_SPARC_LM22: | |
2014 | #endif | |
428d312b | 2015 | case BFD_RELOC_HI22: |
355afbcd KR |
2016 | if (!fixP->fx_addsy) |
2017 | { | |
2018 | buf[1] |= (val >> 26) & 0x3f; | |
2019 | buf[2] = val >> 18; | |
2020 | buf[3] = val >> 10; | |
2021 | } | |
2022 | else | |
2023 | { | |
2024 | buf[2] = 0; | |
2025 | buf[3] = 0; | |
2026 | } | |
2027 | break; | |
2028 | ||
428d312b | 2029 | case BFD_RELOC_SPARC22: |
355afbcd KR |
2030 | if (val & ~0x003fffff) |
2031 | { | |
2032 | as_bad ("relocation overflow"); | |
2033 | } /* on overflow */ | |
2034 | buf[1] |= (val >> 16) & 0x3f; | |
2035 | buf[2] = val >> 8; | |
2036 | buf[3] = val & 0xff; | |
2037 | break; | |
2038 | ||
9b856b4f | 2039 | #ifndef NO_V9 |
125f0b0d | 2040 | case BFD_RELOC_SPARC_HM10: |
5e0a90a8 | 2041 | val = BSR (val, 32); |
355afbcd | 2042 | /* intentional fallthrough */ |
9b856b4f | 2043 | #endif /* NO_V9 */ |
355afbcd | 2044 | |
428d312b | 2045 | case BFD_RELOC_LO10: |
355afbcd KR |
2046 | if (!fixP->fx_addsy) |
2047 | { | |
2048 | buf[2] |= (val >> 8) & 0x03; | |
2049 | buf[3] = val; | |
2050 | } | |
2051 | else | |
2052 | buf[3] = 0; | |
2053 | break; | |
7ab2e983 ILT |
2054 | |
2055 | case BFD_RELOC_SPARC13: | |
2056 | if (! in_signed_range (val, 0x1fff)) | |
2057 | as_bad ("relocation overflow"); | |
2058 | ||
355afbcd KR |
2059 | buf[2] |= (val >> 8) & 0x1f; |
2060 | buf[3] = val; | |
2061 | break; | |
2062 | ||
428d312b | 2063 | case BFD_RELOC_SPARC_WDISP22: |
5e0a90a8 | 2064 | val = (val >> 2) + 1; |
355afbcd | 2065 | /* FALLTHROUGH */ |
428d312b | 2066 | case BFD_RELOC_SPARC_BASE22: |
355afbcd KR |
2067 | buf[1] |= (val >> 16) & 0x3f; |
2068 | buf[2] = val >> 8; | |
2069 | buf[3] = val; | |
2070 | break; | |
2071 | ||
428d312b | 2072 | case BFD_RELOC_NONE: |
355afbcd | 2073 | default: |
428d312b | 2074 | as_bad ("bad or unhandled relocation type: 0x%02x", fixP->fx_r_type); |
355afbcd KR |
2075 | break; |
2076 | } | |
428d312b | 2077 | |
7ab2e983 ILT |
2078 | /* Are we finished with this relocation now? */ |
2079 | if (fixP->fx_addsy == 0 && !fixP->fx_pcrel) | |
2080 | fixP->fx_done = 1; | |
2081 | ||
428d312b | 2082 | return 1; |
428d312b | 2083 | } |
fecd2382 | 2084 | |
428d312b KR |
2085 | /* Translate internal representation of relocation info to BFD target |
2086 | format. */ | |
2087 | arelent * | |
2088 | tc_gen_reloc (section, fixp) | |
2089 | asection *section; | |
2090 | fixS *fixp; | |
2091 | { | |
2092 | arelent *reloc; | |
2093 | bfd_reloc_code_real_type code; | |
2094 | ||
2095 | reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent)); | |
2096 | assert (reloc != 0); | |
2097 | ||
2098 | reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym; | |
2099 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
428d312b | 2100 | |
428d312b KR |
2101 | switch (fixp->fx_r_type) |
2102 | { | |
58d4951d | 2103 | case BFD_RELOC_16: |
428d312b KR |
2104 | case BFD_RELOC_32: |
2105 | case BFD_RELOC_HI22: | |
2106 | case BFD_RELOC_LO10: | |
2107 | case BFD_RELOC_32_PCREL_S2: | |
7ab2e983 | 2108 | case BFD_RELOC_SPARC13: |
428d312b | 2109 | case BFD_RELOC_SPARC_BASE13: |
ed9638af | 2110 | case BFD_RELOC_SPARC_WDISP22: |
693b21e7 | 2111 | case BFD_RELOC_64: |
125f0b0d KR |
2112 | case BFD_RELOC_SPARC_10: |
2113 | case BFD_RELOC_SPARC_11: | |
2114 | case BFD_RELOC_SPARC_HH22: | |
2115 | case BFD_RELOC_SPARC_HM10: | |
2116 | case BFD_RELOC_SPARC_LM22: | |
2117 | case BFD_RELOC_SPARC_PC_HH22: | |
2118 | case BFD_RELOC_SPARC_PC_HM10: | |
2119 | case BFD_RELOC_SPARC_PC_LM22: | |
428d312b KR |
2120 | code = fixp->fx_r_type; |
2121 | break; | |
2122 | default: | |
2123 | abort (); | |
2124 | } | |
2125 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); | |
a7129c48 KR |
2126 | if (reloc->howto == 0) |
2127 | { | |
2128 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
ade614d5 KR |
2129 | "internal error: can't export reloc type %d (`%s')", |
2130 | fixp->fx_r_type, bfd_get_reloc_code_name (code)); | |
a7129c48 KR |
2131 | return 0; |
2132 | } | |
c999fd9f KR |
2133 | assert (!fixp->fx_pcrel == !reloc->howto->pc_relative); |
2134 | ||
2135 | /* @@ Why fx_addnumber sometimes and fx_offset other times? */ | |
2136 | if (reloc->howto->pc_relative == 0) | |
2137 | reloc->addend = fixp->fx_addnumber; | |
7ab2e983 ILT |
2138 | #if defined (OBJ_ELF) || defined (OBJ_COFF) |
2139 | else if ((fixp->fx_addsy->bsym->flags & BSF_SECTION_SYM) != 0) | |
2140 | reloc->addend = (section->vma | |
2141 | + fixp->fx_addnumber | |
2142 | + md_pcrel_from (fixp)); | |
2143 | #endif | |
c999fd9f | 2144 | else |
fd0e2cf2 | 2145 | reloc->addend = fixp->fx_offset - reloc->address; |
428d312b KR |
2146 | |
2147 | return reloc; | |
2148 | } | |
2149 | ||
fecd2382 RP |
2150 | |
2151 | #if 0 | |
2152 | /* for debugging only */ | |
355afbcd KR |
2153 | static void |
2154 | print_insn (insn) | |
2155 | struct sparc_it *insn; | |
fecd2382 | 2156 | { |
c999fd9f | 2157 | const char *const Reloc[] = { |
355afbcd KR |
2158 | "RELOC_8", |
2159 | "RELOC_16", | |
2160 | "RELOC_32", | |
2161 | "RELOC_DISP8", | |
2162 | "RELOC_DISP16", | |
2163 | "RELOC_DISP32", | |
2164 | "RELOC_WDISP30", | |
2165 | "RELOC_WDISP22", | |
2166 | "RELOC_HI22", | |
2167 | "RELOC_22", | |
2168 | "RELOC_13", | |
2169 | "RELOC_LO10", | |
2170 | "RELOC_SFA_BASE", | |
2171 | "RELOC_SFA_OFF13", | |
2172 | "RELOC_BASE10", | |
2173 | "RELOC_BASE13", | |
2174 | "RELOC_BASE22", | |
2175 | "RELOC_PC10", | |
2176 | "RELOC_PC22", | |
2177 | "RELOC_JMP_TBL", | |
2178 | "RELOC_SEGOFF16", | |
2179 | "RELOC_GLOB_DAT", | |
2180 | "RELOC_JMP_SLOT", | |
2181 | "RELOC_RELATIVE", | |
2182 | "NO_RELOC" | |
2183 | }; | |
2184 | ||
2185 | if (insn->error) | |
c999fd9f | 2186 | fprintf (stderr, "ERROR: %s\n"); |
355afbcd KR |
2187 | fprintf (stderr, "opcode=0x%08x\n", insn->opcode); |
2188 | fprintf (stderr, "reloc = %s\n", Reloc[insn->reloc]); | |
2189 | fprintf (stderr, "exp = {\n"); | |
2190 | fprintf (stderr, "\t\tX_add_symbol = %s\n", | |
2191 | ((insn->exp.X_add_symbol != NULL) | |
2192 | ? ((S_GET_NAME (insn->exp.X_add_symbol) != NULL) | |
2193 | ? S_GET_NAME (insn->exp.X_add_symbol) | |
2194 | : "???") | |
2195 | : "0")); | |
2196 | fprintf (stderr, "\t\tX_sub_symbol = %s\n", | |
5ac34ac3 ILT |
2197 | ((insn->exp.X_op_symbol != NULL) |
2198 | ? (S_GET_NAME (insn->exp.X_op_symbol) | |
2199 | ? S_GET_NAME (insn->exp.X_op_symbol) | |
355afbcd KR |
2200 | : "???") |
2201 | : "0")); | |
2202 | fprintf (stderr, "\t\tX_add_number = %d\n", | |
2203 | insn->exp.X_add_number); | |
2204 | fprintf (stderr, "}\n"); | |
c999fd9f | 2205 | } |
fecd2382 | 2206 | #endif |
f3d817d8 | 2207 | \f |
839df5c3 RP |
2208 | /* |
2209 | * md_parse_option | |
2210 | * Invocation line includes a switch not recognized by the base assembler. | |
2211 | * See if it's a processor-specific option. These are: | |
2212 | * | |
2213 | * -bump | |
2214 | * Warn on architecture bumps. See also -A. | |
2215 | * | |
5e0a90a8 | 2216 | * -Av6, -Av7, -Av8, -Av9, -Asparclite |
839df5c3 RP |
2217 | * Select the architecture. Instructions or features not |
2218 | * supported by the selected architecture cause fatal errors. | |
2219 | * | |
2220 | * The default is to start at v6, and bump the architecture up | |
2221 | * whenever an instruction is seen at a higher level. | |
2222 | * | |
2223 | * If -bump is specified, a warning is printing when bumping to | |
2224 | * higher levels. | |
2225 | * | |
2226 | * If an architecture is specified, all instructions must match | |
2227 | * that architecture. Any higher level instructions are flagged | |
355afbcd | 2228 | * as errors. |
839df5c3 RP |
2229 | * |
2230 | * if both an architecture and -bump are specified, the | |
2231 | * architecture starts at the specified level, but bumps are | |
2232 | * warnings. | |
2233 | * | |
162e3485 | 2234 | * Note: |
680227f3 KR |
2235 | * Bumping between incompatible architectures is always an |
2236 | * error. For example, from sparclite to v9. | |
839df5c3 | 2237 | */ |
162e3485 | 2238 | |
f3d817d8 DM |
2239 | #ifdef OBJ_ELF |
2240 | CONST char *md_shortopts = "A:VQ:sq"; | |
2241 | #else | |
2242 | CONST char *md_shortopts = "A:"; | |
2243 | #endif | |
2244 | struct option md_longopts[] = { | |
2245 | #define OPTION_BUMP (OPTION_MD_BASE) | |
2246 | {"bump", no_argument, NULL, OPTION_BUMP}, | |
2247 | #define OPTION_SPARC (OPTION_MD_BASE + 1) | |
2248 | {"sparc", no_argument, NULL, OPTION_SPARC}, | |
2249 | {NULL, no_argument, NULL, 0} | |
2250 | }; | |
2251 | size_t md_longopts_size = sizeof(md_longopts); | |
355afbcd | 2252 | |
f3d817d8 DM |
2253 | int |
2254 | md_parse_option (c, arg) | |
2255 | int c; | |
2256 | char *arg; | |
2257 | { | |
2258 | switch (c) | |
355afbcd | 2259 | { |
f3d817d8 | 2260 | case OPTION_BUMP: |
355afbcd | 2261 | warn_on_bump = 1; |
f3d817d8 | 2262 | break; |
355afbcd | 2263 | |
f3d817d8 DM |
2264 | case 'A': |
2265 | { | |
2266 | char *p = arg; | |
2267 | const char **arch; | |
2268 | ||
2269 | for (arch = architecture_pname; *arch != NULL; ++arch) | |
2270 | { | |
2271 | if (strcmp (p, *arch) == 0) | |
355afbcd | 2272 | break; |
f3d817d8 DM |
2273 | } |
2274 | ||
2275 | if (*arch == NULL) | |
2276 | { | |
2277 | as_bad ("invalid architecture -A%s", p); | |
2278 | return 0; | |
2279 | } | |
2280 | else | |
2281 | { | |
5e0a90a8 KR |
2282 | enum sparc_architecture new_arch = arch - architecture_pname; |
2283 | #ifdef NO_V9 | |
2284 | if (new_arch == v9) | |
2285 | { | |
2286 | as_error ("v9 support not compiled in"); | |
2287 | return 0; | |
2288 | } | |
2289 | #endif | |
2290 | current_architecture = new_arch; | |
f3d817d8 DM |
2291 | architecture_requested = 1; |
2292 | } | |
2293 | } | |
2294 | break; | |
2295 | ||
2296 | case OPTION_SPARC: | |
2297 | /* Ignore -sparc, used by SunOS make default .s.o rule. */ | |
2298 | break; | |
355afbcd | 2299 | |
ed9638af | 2300 | #ifdef OBJ_ELF |
f3d817d8 | 2301 | case 'V': |
ed9638af | 2302 | print_version_id (); |
f3d817d8 DM |
2303 | break; |
2304 | ||
2305 | case 'Q': | |
ed9638af KR |
2306 | /* Qy - do emit .comment |
2307 | Qn - do not emit .comment */ | |
f3d817d8 DM |
2308 | break; |
2309 | ||
2310 | case 's': | |
ed9638af | 2311 | /* use .stab instead of .stab.excl */ |
f3d817d8 DM |
2312 | break; |
2313 | ||
2314 | case 'q': | |
c06e55d9 | 2315 | /* quick -- native assembler does fewer checks */ |
f3d817d8 | 2316 | break; |
ed9638af | 2317 | #endif |
f3d817d8 DM |
2318 | |
2319 | default: | |
355afbcd KR |
2320 | return 0; |
2321 | } | |
fecd2382 | 2322 | |
f3d817d8 DM |
2323 | return 1; |
2324 | } | |
2325 | ||
2326 | void | |
2327 | md_show_usage (stream) | |
2328 | FILE *stream; | |
2329 | { | |
5e0a90a8 KR |
2330 | const char **arch; |
2331 | fprintf(stream, "SPARC options:\n"); | |
2332 | for (arch = architecture_pname; *arch; arch++) | |
2333 | { | |
2334 | if (arch != architecture_pname) | |
2335 | fprintf (stream, " | "); | |
2336 | fprintf (stream, "-A%s", *arch); | |
2337 | } | |
2338 | fprintf (stream, "\n\ | |
f3d817d8 DM |
2339 | specify variant of SPARC architecture\n\ |
2340 | -bump warn when assembler switches architectures\n\ | |
2341 | -sparc ignored\n"); | |
2342 | #ifdef OBJ_ELF | |
2343 | fprintf(stream, "\ | |
2344 | -V print assembler version number\n\ | |
2345 | -q ignored\n\ | |
2346 | -Qy, -Qn ignored\n\ | |
2347 | -s ignored\n"); | |
2348 | #endif | |
2349 | } | |
2350 | \f | |
fecd2382 RP |
2351 | /* We have no need to default values of symbols. */ |
2352 | ||
2353 | /* ARGSUSED */ | |
355afbcd KR |
2354 | symbolS * |
2355 | md_undefined_symbol (name) | |
2356 | char *name; | |
fecd2382 | 2357 | { |
355afbcd KR |
2358 | return 0; |
2359 | } /* md_undefined_symbol() */ | |
fecd2382 RP |
2360 | |
2361 | /* Parse an operand that is machine-specific. | |
2362 | We just return without modifying the expression if we have nothing | |
2363 | to do. */ | |
2364 | ||
2365 | /* ARGSUSED */ | |
355afbcd KR |
2366 | void |
2367 | md_operand (expressionP) | |
2368 | expressionS *expressionP; | |
fecd2382 | 2369 | { |
428d312b | 2370 | } |
fecd2382 RP |
2371 | |
2372 | /* Round up a section size to the appropriate boundary. */ | |
125f0b0d | 2373 | valueT |
355afbcd KR |
2374 | md_section_align (segment, size) |
2375 | segT segment; | |
125f0b0d | 2376 | valueT size; |
fecd2382 | 2377 | { |
f9c57637 ILT |
2378 | #ifndef OBJ_ELF |
2379 | /* This is not right for ELF; a.out wants it, and COFF will force | |
2380 | the alignment anyways. */ | |
2381 | valueT align = (valueT) 1 << (valueT) (stdoutput->xvec->align_power_min); | |
2382 | valueT newsize; | |
2383 | /* turn alignment value into a mask */ | |
2384 | align--; | |
2385 | newsize = (size + align) & ~align; | |
2386 | return newsize; | |
2387 | #else | |
693b21e7 | 2388 | return size; |
f9c57637 | 2389 | #endif |
428d312b | 2390 | } |
fecd2382 RP |
2391 | |
2392 | /* Exactly what point is a PC-relative offset relative TO? | |
2393 | On the sparc, they're relative to the address of the offset, plus | |
2394 | its size. This gets us to the following instruction. | |
2395 | (??? Is this right? FIXME-SOON) */ | |
355afbcd KR |
2396 | long |
2397 | md_pcrel_from (fixP) | |
2398 | fixS *fixP; | |
fecd2382 | 2399 | { |
355afbcd | 2400 | return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address; |
428d312b | 2401 | } |
fecd2382 | 2402 | |
8b228fe9 | 2403 | /* end of tc-sparc.c */ |