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 | ||
a87b3269 RP |
20 | #define cypress 1234 |
21 | ||
fecd2382 RP |
22 | #include <stdio.h> |
23 | #include <ctype.h> | |
24 | ||
25 | #include "as.h" | |
26 | ||
27 | /* careful, this file includes data *declarations* */ | |
584a0f78 | 28 | #include "opcode/sparc.h" |
fecd2382 | 29 | |
355afbcd KR |
30 | void md_begin (); |
31 | void md_end (); | |
32 | void md_number_to_chars (); | |
33 | void md_assemble (); | |
34 | char *md_atof (); | |
355afbcd KR |
35 | void md_create_short_jump (); |
36 | void md_create_long_jump (); | |
37 | int md_estimate_size_before_relax (); | |
38 | void md_ri_to_chars (); | |
39 | symbolS *md_undefined_symbol (); | |
40 | static void sparc_ip (); | |
fecd2382 | 41 | |
839df5c3 | 42 | static enum sparc_architecture current_architecture = v6; |
428d312b KR |
43 | static int architecture_requested; |
44 | static int warn_on_bump; | |
839df5c3 | 45 | |
ed9638af KR |
46 | extern int target_big_endian; |
47 | ||
428d312b | 48 | const relax_typeS md_relax_table[1]; |
fecd2382 RP |
49 | |
50 | /* handle of the OPCODE hash table */ | |
51 | static struct hash_control *op_hash = NULL; | |
52 | ||
355afbcd KR |
53 | static void s_seg (), s_proc (), s_data1 (), s_reserve (), s_common (); |
54 | extern void s_globl (), s_long (), s_short (), s_space (), cons (); | |
ed9638af | 55 | extern void s_align_bytes (), s_ignore (), s_local(); |
428d312b KR |
56 | /* start-sanitize-v9 */ |
57 | #ifndef NO_V9 | |
58 | static void s_xword (); | |
59 | #endif | |
60 | /* end-sanitize-v9 */ | |
61 | ||
62 | /* Ugly hack to keep non-BFD version working. */ | |
63 | #ifndef BFD_ASSEMBLER | |
64 | #define BFD_RELOC_NONE NO_RELOC | |
65 | #define BFD_RELOC_32 RELOC_32 | |
66 | #define BFD_RELOC_HI22 RELOC_HI22 | |
67 | #define BFD_RELOC_LO10 RELOC_LO10 | |
68 | #define BFD_RELOC_SPARC_WDISP22 RELOC_WDISP22 | |
69 | #define BFD_RELOC_32_PCREL_S2 RELOC_WDISP30 | |
70 | #define BFD_RELOC_SPARC22 RELOC_22 | |
71 | #define BFD_RELOC_SPARC_BASE13 RELOC_BASE13 | |
72 | #define BFD_RELOC_SPARC13 RELOC_13 | |
73 | #define BFD_RELOC_SPARC_BASE22 RELOC_BASE22 | |
74 | #define subseg_set subseg_new | |
75 | #endif | |
355afbcd KR |
76 | |
77 | const pseudo_typeS md_pseudo_table[] = | |
78 | { | |
79 | {"align", s_align_bytes, 0}, /* Defaulting is invalid (0) */ | |
80 | {"common", s_common, 0}, | |
81 | {"global", s_globl, 0}, | |
82 | {"half", cons, 2}, | |
ed9638af KR |
83 | #ifdef OBJ_ELF |
84 | {"local", s_local, 0}, | |
85 | #endif | |
355afbcd KR |
86 | {"optim", s_ignore, 0}, |
87 | {"proc", s_proc, 0}, | |
88 | {"reserve", s_reserve, 0}, | |
89 | {"seg", s_seg, 0}, | |
90 | {"skip", s_space, 0}, | |
91 | {"word", cons, 4}, | |
428d312b KR |
92 | /* start-sanitize-v9 */ |
93 | #ifndef NO_V9 | |
94 | {"xword", s_xword, 0}, | |
95 | #endif | |
96 | /* end-sanitize-v9 */ | |
355afbcd | 97 | {NULL, 0, 0}, |
fecd2382 RP |
98 | }; |
99 | ||
839df5c3 RP |
100 | const int md_short_jump_size = 4; |
101 | const int md_long_jump_size = 4; | |
355afbcd | 102 | const int md_reloc_size = 12; /* Size of relocation record */ |
fecd2382 RP |
103 | |
104 | /* This array holds the chars that always start a comment. If the | |
105 | pre-processor is disabled, these aren't very useful */ | |
839df5c3 | 106 | const char comment_chars[] = "!"; /* JF removed '|' from comment_chars */ |
fecd2382 RP |
107 | |
108 | /* This array holds the chars that only start a comment at the beginning of | |
109 | a line. If the line seems to have the form '# 123 filename' | |
110 | .line and .file directives will appear in the pre-processed output */ | |
111 | /* Note that input_file.c hand checks for '#' at the beginning of the | |
112 | first line of the input file. This is because the compiler outputs | |
113 | #NO_APP at the beginning of its output. */ | |
839df5c3 RP |
114 | /* Also note that comments started like this one will always |
115 | work if '/' isn't otherwise defined. */ | |
116 | const char line_comment_chars[] = "#"; | |
fecd2382 | 117 | |
355afbcd KR |
118 | const char line_separator_chars[] = ""; |
119 | ||
fecd2382 | 120 | /* Chars that can be used to separate mant from exp in floating point nums */ |
839df5c3 | 121 | const char EXP_CHARS[] = "eE"; |
fecd2382 RP |
122 | |
123 | /* Chars that mean this number is a floating point constant */ | |
124 | /* As in 0f12.456 */ | |
125 | /* or 0d1.2345e12 */ | |
839df5c3 | 126 | const char FLT_CHARS[] = "rRsSfFdDxXpP"; |
fecd2382 RP |
127 | |
128 | /* Also be aware that MAXIMUM_NUMBER_OF_CHARS_FOR_FLOAT may have to be | |
129 | changed in read.c . Ideally it shouldn't have to know about it at all, | |
130 | but nothing is ideal around here. | |
131 | */ | |
132 | ||
133 | static unsigned char octal[256]; | |
134 | #define isoctal(c) octal[c] | |
355afbcd KR |
135 | static unsigned char toHex[256]; |
136 | ||
137 | struct sparc_it | |
138 | { | |
139 | char *error; | |
140 | unsigned long opcode; | |
141 | struct nlist *nlistp; | |
142 | expressionS exp; | |
143 | int pcrel; | |
428d312b KR |
144 | #ifdef BFD_ASSEMBLER |
145 | bfd_reloc_code_real_type reloc; | |
146 | #else | |
355afbcd | 147 | enum reloc_type reloc; |
fecd2382 | 148 | #endif |
428d312b KR |
149 | }; |
150 | ||
151 | struct sparc_it the_insn, set_insn; | |
152 | ||
fecd2382 | 153 | #if 0 |
428d312b | 154 | static void print_insn PARAMS ((struct sparc_it *insn)); |
fecd2382 | 155 | #endif |
428d312b | 156 | static int getExpression PARAMS ((char *str)); |
a87b3269 | 157 | |
fecd2382 RP |
158 | static char *expr_end; |
159 | static int special_case; | |
160 | ||
161 | /* | |
162 | * Instructions that require wierd handling because they're longer than | |
163 | * 4 bytes. | |
164 | */ | |
165 | #define SPECIAL_CASE_SET 1 | |
166 | #define SPECIAL_CASE_FDIV 2 | |
167 | ||
168 | /* | |
169 | * sort of like s_lcomm | |
170 | * | |
171 | */ | |
584a0f78 RP |
172 | static int max_alignment = 15; |
173 | ||
355afbcd KR |
174 | static void |
175 | s_reserve () | |
176 | { | |
177 | char *name; | |
178 | char *p; | |
179 | char c; | |
180 | int align; | |
181 | int size; | |
182 | int temp; | |
183 | symbolS *symbolP; | |
184 | ||
185 | name = input_line_pointer; | |
186 | c = get_symbol_end (); | |
187 | p = input_line_pointer; | |
188 | *p = c; | |
189 | SKIP_WHITESPACE (); | |
190 | ||
191 | if (*input_line_pointer != ',') | |
192 | { | |
193 | as_bad ("Expected comma after name"); | |
194 | ignore_rest_of_line (); | |
195 | return; | |
196 | } | |
197 | ||
198 | ++input_line_pointer; | |
199 | ||
200 | if ((size = get_absolute_expression ()) < 0) | |
201 | { | |
202 | as_bad ("BSS length (%d.) <0! Ignored.", size); | |
203 | ignore_rest_of_line (); | |
204 | return; | |
205 | } /* bad length */ | |
206 | ||
207 | *p = 0; | |
208 | symbolP = symbol_find_or_make (name); | |
209 | *p = c; | |
210 | ||
125f0b0d KR |
211 | if (strncmp (input_line_pointer, ",\"bss\"", 6) != 0 |
212 | && strncmp (input_line_pointer, ",\".bss\"", 7) != 0) | |
355afbcd KR |
213 | { |
214 | as_bad ("bad .reserve segment: `%s'", input_line_pointer); | |
215 | return; | |
216 | } /* if not bss */ | |
217 | ||
125f0b0d KR |
218 | if (input_line_pointer[2] == '.') |
219 | input_line_pointer += 7; | |
220 | else | |
221 | input_line_pointer += 6; | |
355afbcd KR |
222 | SKIP_WHITESPACE (); |
223 | ||
224 | if (*input_line_pointer == ',') | |
225 | { | |
226 | ++input_line_pointer; | |
227 | ||
228 | SKIP_WHITESPACE (); | |
229 | if (*input_line_pointer == '\n') | |
230 | { | |
231 | as_bad ("Missing alignment"); | |
232 | return; | |
233 | } | |
234 | ||
235 | align = get_absolute_expression (); | |
236 | if (align > max_alignment) | |
237 | { | |
238 | align = max_alignment; | |
239 | as_warn ("Alignment too large: %d. assumed.", align); | |
240 | } | |
241 | else if (align < 0) | |
242 | { | |
243 | align = 0; | |
244 | as_warn ("Alignment negative. 0 assumed."); | |
fecd2382 | 245 | } |
428d312b KR |
246 | |
247 | record_alignment (bss_section, align); | |
355afbcd KR |
248 | |
249 | /* convert to a power of 2 alignment */ | |
250 | for (temp = 0; (align & 1) == 0; align >>= 1, ++temp);; | |
251 | ||
252 | if (align != 1) | |
253 | { | |
254 | as_bad ("Alignment not a power of 2"); | |
255 | ignore_rest_of_line (); | |
256 | return; | |
257 | } /* not a power of two */ | |
258 | ||
259 | align = temp; | |
355afbcd | 260 | } /* if has optional alignment */ |
428d312b KR |
261 | else |
262 | align = 0; | |
355afbcd | 263 | |
125f0b0d KR |
264 | if ((S_GET_SEGMENT (symbolP) == bss_section |
265 | || !S_IS_DEFINED (symbolP)) | |
266 | #ifdef OBJ_AOUT | |
267 | && S_GET_OTHER (symbolP) == 0 | |
355afbcd | 268 | && S_GET_DESC (symbolP) == 0 |
125f0b0d KR |
269 | #endif |
270 | ) | |
355afbcd | 271 | { |
428d312b KR |
272 | if (! need_pass_2) |
273 | { | |
274 | char *p; | |
275 | segT current_seg = now_seg; | |
276 | subsegT current_subseg = now_subseg; | |
277 | ||
278 | subseg_set (bss_section, 1); /* switch to bss */ | |
279 | ||
280 | if (align) | |
281 | frag_align (align, 0); /* do alignment */ | |
282 | ||
283 | /* detach from old frag */ | |
284 | if (S_GET_SEGMENT(symbolP) == bss_section) | |
285 | symbolP->sy_frag->fr_symbol = NULL; | |
286 | ||
287 | symbolP->sy_frag = frag_now; | |
288 | p = frag_var (rs_org, 1, 1, (relax_substateT)0, symbolP, | |
289 | size, (char *)0); | |
290 | *p = 0; | |
291 | ||
292 | S_SET_SEGMENT (symbolP, bss_section); | |
293 | ||
294 | subseg_set (current_seg, current_subseg); | |
295 | } | |
355afbcd KR |
296 | } |
297 | else | |
298 | { | |
428d312b | 299 | as_warn("Ignoring attempt to re-define symbol %s.", name); |
355afbcd KR |
300 | } /* if not redefining */ |
301 | ||
302 | demand_empty_rest_of_line (); | |
428d312b | 303 | } |
355afbcd | 304 | |
ed9638af KR |
305 | #ifdef OBJ_ELF |
306 | /* Currently used only by Solaris 2. */ | |
307 | void | |
308 | s_local () | |
309 | { | |
310 | char *name; | |
311 | int c; | |
312 | symbolS *symbolP; | |
313 | ||
314 | do | |
315 | { | |
316 | name = input_line_pointer; | |
317 | c = get_symbol_end (); | |
318 | symbolP = symbol_find_or_make (name); | |
319 | *input_line_pointer = c; | |
320 | SKIP_WHITESPACE (); | |
321 | S_CLEAR_EXTERNAL (symbolP); | |
322 | symbolP->local = 1; | |
323 | if (c == ',') | |
324 | { | |
325 | input_line_pointer++; | |
326 | SKIP_WHITESPACE (); | |
327 | if (*input_line_pointer == '\n') | |
328 | c = '\n'; | |
329 | } | |
330 | } | |
331 | while (c == ','); | |
332 | demand_empty_rest_of_line (); | |
333 | } | |
334 | #endif | |
335 | ||
355afbcd KR |
336 | static void |
337 | s_common () | |
338 | { | |
ed9638af KR |
339 | char *name; |
340 | char c; | |
341 | char *p; | |
342 | int temp, size; | |
343 | symbolS *symbolP; | |
355afbcd KR |
344 | |
345 | name = input_line_pointer; | |
346 | c = get_symbol_end (); | |
347 | /* just after name is now '\0' */ | |
348 | p = input_line_pointer; | |
349 | *p = c; | |
350 | SKIP_WHITESPACE (); | |
351 | if (*input_line_pointer != ',') | |
352 | { | |
353 | as_bad ("Expected comma after symbol-name"); | |
354 | ignore_rest_of_line (); | |
355 | return; | |
356 | } | |
357 | input_line_pointer++; /* skip ',' */ | |
358 | if ((temp = get_absolute_expression ()) < 0) | |
359 | { | |
360 | as_bad (".COMMon length (%d.) <0! Ignored.", temp); | |
361 | ignore_rest_of_line (); | |
362 | return; | |
363 | } | |
ed9638af | 364 | size = temp; |
355afbcd KR |
365 | *p = 0; |
366 | symbolP = symbol_find_or_make (name); | |
367 | *p = c; | |
368 | if (S_IS_DEFINED (symbolP)) | |
369 | { | |
370 | as_bad ("Ignoring attempt to re-define symbol"); | |
371 | ignore_rest_of_line (); | |
372 | return; | |
373 | } | |
374 | if (S_GET_VALUE (symbolP) != 0) | |
375 | { | |
ed9638af | 376 | if (S_GET_VALUE (symbolP) != size) |
355afbcd | 377 | { |
125f0b0d KR |
378 | as_warn ("Length of .comm \"%s\" is already %ld. Not changed to %d.", |
379 | S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size); | |
680227f3 | 380 | } |
355afbcd KR |
381 | } |
382 | else | |
383 | { | |
ed9638af KR |
384 | #ifndef OBJ_ELF |
385 | S_SET_VALUE (symbolP, size); | |
355afbcd | 386 | S_SET_EXTERNAL (symbolP); |
428d312b | 387 | #endif |
355afbcd KR |
388 | } |
389 | know (symbolP->sy_frag == &zero_address_frag); | |
428d312b KR |
390 | if (*input_line_pointer != ',') |
391 | { | |
125f0b0d | 392 | as_bad ("Expected comma after common length"); |
428d312b KR |
393 | ignore_rest_of_line (); |
394 | return; | |
395 | } | |
396 | input_line_pointer++; | |
125f0b0d KR |
397 | SKIP_WHITESPACE (); |
398 | if (*input_line_pointer != '"') | |
ed9638af | 399 | { |
125f0b0d KR |
400 | temp = get_absolute_expression (); |
401 | if (temp > max_alignment) | |
402 | { | |
403 | temp = max_alignment; | |
404 | as_warn ("Common alignment too large: %d. assumed", temp); | |
405 | } | |
406 | else if (temp < 0) | |
407 | { | |
408 | temp = 0; | |
409 | as_warn ("Common alignment negative; 0 assumed"); | |
410 | } | |
b2565433 | 411 | #ifdef OBJ_ELF |
125f0b0d KR |
412 | if (symbolP->local) |
413 | { | |
ff4cac38 KR |
414 | segT old_sec; |
415 | int old_subsec; | |
125f0b0d | 416 | char *p; |
ff4cac38 | 417 | int align; |
ed9638af | 418 | |
ff4cac38 KR |
419 | allocate_bss: |
420 | old_sec = now_seg; | |
421 | old_subsec = now_subseg; | |
422 | align = temp; | |
125f0b0d KR |
423 | record_alignment (bss_section, align); |
424 | subseg_set (bss_section, 0); | |
425 | if (align) | |
426 | frag_align (align, 0); | |
427 | if (S_GET_SEGMENT (symbolP) == bss_section) | |
428 | symbolP->sy_frag->fr_symbol = 0; | |
429 | symbolP->sy_frag = frag_now; | |
430 | p = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size, | |
431 | (char *) 0); | |
432 | *p = 0; | |
433 | S_SET_SEGMENT (symbolP, bss_section); | |
434 | S_CLEAR_EXTERNAL (symbolP); | |
435 | subseg_set (old_sec, old_subsec); | |
436 | } | |
437 | else | |
b2565433 | 438 | #endif |
125f0b0d | 439 | { |
ff4cac38 | 440 | allocate_common: |
125f0b0d KR |
441 | S_SET_VALUE (symbolP, size); |
442 | S_SET_EXTERNAL (symbolP); | |
443 | /* should be common, but this is how gas does it for now */ | |
444 | S_SET_SEGMENT (symbolP, &bfd_und_section); | |
445 | } | |
ed9638af KR |
446 | } |
447 | else | |
448 | { | |
125f0b0d | 449 | input_line_pointer++; |
ff4cac38 KR |
450 | /* @@ Some use the dot, some don't. Can we get some consistency?? */ |
451 | if (*input_line_pointer == '.') | |
452 | input_line_pointer++; | |
453 | /* @@ Some say data, some say bss. */ | |
125f0b0d | 454 | if (strncmp (input_line_pointer, "bss\"", 4) |
ff4cac38 | 455 | && strncmp (input_line_pointer, "data\"", 5)) |
125f0b0d | 456 | { |
ff4cac38 KR |
457 | while (*--input_line_pointer != '"') |
458 | ; | |
459 | input_line_pointer--; | |
125f0b0d KR |
460 | goto bad_common_segment; |
461 | } | |
462 | while (*input_line_pointer++ != '"') | |
463 | ; | |
ff4cac38 | 464 | goto allocate_common; |
355afbcd | 465 | } |
355afbcd KR |
466 | demand_empty_rest_of_line (); |
467 | return; | |
ff4cac38 KR |
468 | |
469 | { | |
470 | bad_common_segment: | |
471 | p = input_line_pointer; | |
472 | while (*p && *p != '\n') | |
473 | p++; | |
474 | c = *p; | |
475 | *p = '\0'; | |
476 | as_bad ("bad .common segment %s", input_line_pointer + 1); | |
477 | *p = c; | |
478 | input_line_pointer = p; | |
479 | ignore_rest_of_line (); | |
480 | return; | |
481 | } | |
482 | } | |
355afbcd KR |
483 | |
484 | static void | |
485 | s_seg () | |
486 | { | |
487 | ||
488 | if (strncmp (input_line_pointer, "\"text\"", 6) == 0) | |
489 | { | |
490 | input_line_pointer += 6; | |
491 | s_text (); | |
492 | return; | |
493 | } | |
494 | if (strncmp (input_line_pointer, "\"data\"", 6) == 0) | |
495 | { | |
496 | input_line_pointer += 6; | |
497 | s_data (); | |
498 | return; | |
499 | } | |
500 | if (strncmp (input_line_pointer, "\"data1\"", 7) == 0) | |
501 | { | |
502 | input_line_pointer += 7; | |
503 | s_data1 (); | |
504 | return; | |
505 | } | |
506 | if (strncmp (input_line_pointer, "\"bss\"", 5) == 0) | |
507 | { | |
508 | input_line_pointer += 5; | |
509 | /* We only support 2 segments -- text and data -- for now, so | |
428d312b KR |
510 | things in the "bss segment" will have to go into data for now. |
511 | You can still allocate SEG_BSS stuff with .lcomm or .reserve. */ | |
512 | subseg_set (data_section, 255); /* FIXME-SOMEDAY */ | |
355afbcd KR |
513 | return; |
514 | } | |
515 | as_bad ("Unknown segment type"); | |
516 | demand_empty_rest_of_line (); | |
517 | return; | |
518 | } /* s_seg() */ | |
519 | ||
520 | static void | |
521 | s_data1 () | |
522 | { | |
428d312b | 523 | subseg_set (data_section, 1); |
355afbcd KR |
524 | demand_empty_rest_of_line (); |
525 | return; | |
526 | } /* s_data1() */ | |
fecd2382 | 527 | |
355afbcd KR |
528 | static void |
529 | s_proc () | |
530 | { | |
531 | extern char is_end_of_line[]; | |
fecd2382 | 532 | |
355afbcd KR |
533 | while (!is_end_of_line[*input_line_pointer]) |
534 | { | |
535 | ++input_line_pointer; | |
536 | } | |
537 | ++input_line_pointer; | |
538 | return; | |
539 | } /* s_proc() */ | |
fecd2382 | 540 | |
680227f3 KR |
541 | /* start-sanitize-v9 */ |
542 | #ifndef NO_V9 | |
428d312b KR |
543 | static void |
544 | s_xword () | |
545 | { | |
125f0b0d KR |
546 | SKIP_WHITESPACE (); |
547 | if (isdigit (*input_line_pointer)) | |
548 | big_cons (8); | |
549 | else | |
550 | cons (8); | |
428d312b KR |
551 | } |
552 | ||
355afbcd KR |
553 | struct priv_reg_entry |
554 | { | |
555 | char *name; | |
556 | int regnum; | |
557 | }; | |
428d312b | 558 | |
680227f3 KR |
559 | struct priv_reg_entry priv_reg_table[] = |
560 | { | |
355afbcd KR |
561 | {"tpc", 0}, |
562 | {"tnpc", 1}, | |
563 | {"tstate", 2}, | |
564 | {"tt", 3}, | |
565 | {"tick", 4}, | |
566 | {"tba", 5}, | |
567 | {"pstate", 6}, | |
568 | {"tl", 7}, | |
569 | {"pil", 8}, | |
570 | {"cwp", 9}, | |
571 | {"cansave", 10}, | |
572 | {"canrestore", 11}, | |
573 | {"cleanwin", 12}, | |
574 | {"otherwin", 13}, | |
575 | {"wstate", 14}, | |
125f0b0d | 576 | {"fq", 15}, |
355afbcd KR |
577 | {"ver", 31}, |
578 | {"", -1}, /* end marker */ | |
680227f3 KR |
579 | }; |
580 | ||
ed9638af KR |
581 | struct membar_masks |
582 | { | |
583 | char *name; | |
584 | int len; | |
585 | int mask; | |
586 | }; | |
587 | ||
588 | #define MEMBAR_MASKS_SIZE 7 | |
589 | ||
590 | struct membar_masks membar_masks[MEMBAR_MASKS_SIZE] = | |
591 | { | |
592 | {"Sync", 4, 0x40}, | |
593 | {"MemIssue", 8, 0x20}, | |
594 | {"Lookaside", 9, 0x10}, | |
595 | {"StoreStore", 10, 0x08}, | |
596 | {"LoadStore", 9, 0x04}, | |
597 | {"StoreLoad", 9, 0x02}, | |
598 | {"LoadLoad", 8, 0x01}, | |
599 | }; | |
600 | ||
355afbcd KR |
601 | static int |
602 | cmp_reg_entry (p, q) | |
680227f3 KR |
603 | struct priv_reg_entry *p, *q; |
604 | { | |
605 | return strcmp (q->name, p->name); | |
606 | } | |
355afbcd | 607 | |
680227f3 KR |
608 | #endif |
609 | /* end-sanitize-v9 */ | |
610 | ||
fecd2382 RP |
611 | /* This function is called once, at assembler startup time. It should |
612 | set up all the tables, etc. that the MD part of the assembler will need. */ | |
355afbcd KR |
613 | void |
614 | md_begin () | |
615 | { | |
616 | register char *retval = NULL; | |
617 | int lose = 0; | |
618 | register unsigned int i = 0; | |
619 | ||
620 | op_hash = hash_new (); | |
621 | if (op_hash == NULL) | |
622 | as_fatal ("Virtual memory exhausted"); | |
623 | ||
624 | while (i < NUMOPCODES) | |
625 | { | |
626 | const char *name = sparc_opcodes[i].name; | |
627 | retval = hash_insert (op_hash, name, &sparc_opcodes[i]); | |
628 | if (retval != NULL && *retval != '\0') | |
629 | { | |
630 | fprintf (stderr, "internal error: can't hash `%s': %s\n", | |
631 | sparc_opcodes[i].name, retval); | |
632 | lose = 1; | |
fecd2382 | 633 | } |
355afbcd KR |
634 | do |
635 | { | |
636 | if (sparc_opcodes[i].match & sparc_opcodes[i].lose) | |
637 | { | |
638 | fprintf (stderr, "internal error: losing opcode: `%s' \"%s\"\n", | |
639 | sparc_opcodes[i].name, sparc_opcodes[i].args); | |
640 | lose = 1; | |
641 | } | |
642 | ++i; | |
643 | } | |
644 | while (i < NUMOPCODES | |
645 | && !strcmp (sparc_opcodes[i].name, name)); | |
646 | } | |
647 | ||
648 | if (lose) | |
649 | as_fatal ("Broken assembler. No assembly attempted."); | |
650 | ||
651 | for (i = '0'; i < '8'; ++i) | |
652 | octal[i] = 1; | |
653 | for (i = '0'; i <= '9'; ++i) | |
654 | toHex[i] = i - '0'; | |
655 | for (i = 'a'; i <= 'f'; ++i) | |
656 | toHex[i] = i + 10 - 'a'; | |
657 | for (i = 'A'; i <= 'F'; ++i) | |
658 | toHex[i] = i + 10 - 'A'; | |
659 | ||
660 | /* start-sanitize-v9 */ | |
680227f3 | 661 | #ifndef NO_V9 |
125f0b0d KR |
662 | #ifdef sparcv9 |
663 | current_architecture = v9; | |
664 | #endif | |
665 | ||
355afbcd KR |
666 | qsort (priv_reg_table, sizeof (priv_reg_table) / sizeof (priv_reg_table[0]), |
667 | sizeof (priv_reg_table[0]), cmp_reg_entry); | |
680227f3 | 668 | #endif |
355afbcd | 669 | /* end-sanitize-v9 */ |
ed9638af KR |
670 | |
671 | target_big_endian = 1; | |
355afbcd | 672 | } /* md_begin() */ |
fecd2382 | 673 | |
355afbcd KR |
674 | void |
675 | md_end () | |
676 | { | |
677 | return; | |
678 | } /* md_end() */ | |
fecd2382 | 679 | |
355afbcd KR |
680 | void |
681 | md_assemble (str) | |
682 | char *str; | |
fecd2382 | 683 | { |
355afbcd KR |
684 | char *toP; |
685 | int rsd; | |
686 | ||
687 | know (str); | |
688 | sparc_ip (str); | |
689 | ||
690 | /* See if "set" operand is absolute and small; skip sethi if so. */ | |
428d312b | 691 | if (special_case == SPECIAL_CASE_SET |
5ac34ac3 | 692 | && the_insn.exp.X_op == O_constant) |
355afbcd KR |
693 | { |
694 | if (the_insn.exp.X_add_number >= -(1 << 12) | |
695 | && the_insn.exp.X_add_number < (1 << 12)) | |
696 | { | |
697 | the_insn.opcode = 0x80102000 /* or %g0,imm,... */ | |
698 | | (the_insn.opcode & 0x3E000000) /* dest reg */ | |
699 | | (the_insn.exp.X_add_number & 0x1FFF); /* imm */ | |
700 | special_case = 0; /* No longer special */ | |
428d312b | 701 | the_insn.reloc = BFD_RELOC_NONE; /* No longer relocated */ |
680227f3 | 702 | } |
355afbcd KR |
703 | } |
704 | ||
705 | toP = frag_more (4); | |
706 | /* put out the opcode */ | |
125f0b0d | 707 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
355afbcd KR |
708 | |
709 | /* put out the symbol-dependent stuff */ | |
428d312b | 710 | if (the_insn.reloc != BFD_RELOC_NONE) |
355afbcd | 711 | { |
5ac34ac3 ILT |
712 | fix_new_exp (frag_now, /* which frag */ |
713 | (toP - frag_now->fr_literal), /* where */ | |
714 | 4, /* size */ | |
715 | &the_insn.exp, | |
716 | the_insn.pcrel, | |
717 | the_insn.reloc); | |
355afbcd | 718 | } |
428d312b | 719 | |
355afbcd KR |
720 | switch (special_case) |
721 | { | |
355afbcd KR |
722 | case SPECIAL_CASE_SET: |
723 | special_case = 0; | |
428d312b | 724 | assert (the_insn.reloc == BFD_RELOC_HI22); |
355afbcd | 725 | /* See if "set" operand has no low-order bits; skip OR if so. */ |
5ac34ac3 | 726 | if (the_insn.exp.X_op == O_constant |
355afbcd KR |
727 | && ((the_insn.exp.X_add_number & 0x3FF) == 0)) |
728 | return; | |
729 | toP = frag_more (4); | |
730 | rsd = (the_insn.opcode >> 25) & 0x1f; | |
731 | the_insn.opcode = 0x80102000 | (rsd << 25) | (rsd << 14); | |
125f0b0d | 732 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
5ac34ac3 ILT |
733 | fix_new_exp (frag_now, /* which frag */ |
734 | (toP - frag_now->fr_literal), /* where */ | |
735 | 4, /* size */ | |
736 | &the_insn.exp, | |
737 | the_insn.pcrel, | |
738 | BFD_RELOC_LO10); | |
355afbcd KR |
739 | return; |
740 | ||
741 | case SPECIAL_CASE_FDIV: | |
742 | /* According to information leaked from Sun, the "fdiv" instructions | |
8fc0776d JW |
743 | on early SPARC machines would produce incorrect results sometimes. |
744 | The workaround is to add an fmovs of the destination register to | |
745 | itself just after the instruction. This was true on machines | |
746 | with Weitek 1165 float chips, such as the Sun-4/260 and /280. */ | |
355afbcd | 747 | special_case = 0; |
428d312b | 748 | assert (the_insn.reloc == BFD_RELOC_NONE); |
355afbcd KR |
749 | toP = frag_more (4); |
750 | rsd = (the_insn.opcode >> 25) & 0x1f; | |
751 | the_insn.opcode = 0x81A00020 | (rsd << 25) | rsd; /* fmovs dest,dest */ | |
125f0b0d | 752 | md_number_to_chars (toP, (valueT) the_insn.opcode, 4); |
355afbcd KR |
753 | return; |
754 | ||
755 | case 0: | |
756 | return; | |
757 | ||
758 | default: | |
759 | as_fatal ("failed sanity check."); | |
760 | } | |
761 | } /* md_assemble() */ | |
762 | ||
763 | static void | |
764 | sparc_ip (str) | |
765 | char *str; | |
fecd2382 | 766 | { |
355afbcd KR |
767 | char *error_message = ""; |
768 | char *s; | |
769 | const char *args; | |
770 | char c; | |
771 | struct sparc_opcode *insn; | |
772 | char *argsStart; | |
773 | unsigned long opcode; | |
774 | unsigned int mask = 0; | |
775 | int match = 0; | |
776 | int comma = 0; | |
777 | long immediate_max = 0; | |
778 | ||
779 | for (s = str; islower (*s) || (*s >= '0' && *s <= '3'); ++s) | |
780 | ; | |
781 | switch (*s) | |
782 | { | |
783 | ||
784 | case '\0': | |
785 | break; | |
786 | ||
787 | case ',': | |
788 | comma = 1; | |
789 | ||
790 | /*FALLTHROUGH */ | |
791 | ||
792 | case ' ': | |
793 | *s++ = '\0'; | |
794 | break; | |
795 | ||
796 | default: | |
797 | as_bad ("Unknown opcode: `%s'", str); | |
798 | exit (1); | |
799 | } | |
800 | if ((insn = (struct sparc_opcode *) hash_find (op_hash, str)) == NULL) | |
801 | { | |
802 | as_bad ("Unknown opcode: `%s'", str); | |
803 | return; | |
804 | } | |
805 | if (comma) | |
806 | { | |
807 | *--s = ','; | |
808 | } | |
809 | argsStart = s; | |
810 | for (;;) | |
811 | { | |
812 | opcode = insn->match; | |
813 | memset (&the_insn, '\0', sizeof (the_insn)); | |
428d312b | 814 | the_insn.reloc = BFD_RELOC_NONE; |
355afbcd KR |
815 | |
816 | /* | |
8fc0776d JW |
817 | * Build the opcode, checking as we go to make |
818 | * sure that the operands match | |
819 | */ | |
355afbcd KR |
820 | for (args = insn->args;; ++args) |
821 | { | |
822 | switch (*args) | |
823 | { | |
824 | ||
825 | /* start-sanitize-v9 */ | |
680227f3 | 826 | #ifndef NO_V9 |
355afbcd KR |
827 | case 'K': |
828 | { | |
355afbcd | 829 | int mask = 0; |
ed9638af KR |
830 | int i; |
831 | ||
832 | /* Parse a series of masks. */ | |
833 | if (*s == '#') | |
355afbcd | 834 | { |
ed9638af | 835 | while (*s == '#') |
355afbcd | 836 | { |
ed9638af KR |
837 | ++s; |
838 | for (i = 0; i < MEMBAR_MASKS_SIZE; i++) | |
839 | if (!strncmp (s, membar_masks[i].name, | |
840 | membar_masks[i].len)) | |
841 | break; | |
842 | if (i < MEMBAR_MASKS_SIZE) | |
843 | { | |
844 | mask |= membar_masks[i].mask; | |
845 | s += membar_masks[i].len; | |
846 | } | |
847 | else | |
848 | { | |
849 | error_message = ": invalid membar mask name"; | |
850 | goto error; | |
851 | } | |
852 | if (*s == '|') | |
853 | ++s; | |
355afbcd | 854 | } |
ed9638af KR |
855 | } |
856 | else if (isdigit (*s)) | |
857 | { | |
858 | while (isdigit (*s)) | |
355afbcd | 859 | { |
ed9638af KR |
860 | mask = mask * 10 + *s - '0'; |
861 | ++s; | |
862 | } | |
863 | ||
864 | if (mask < 0 || mask > 127) | |
865 | { | |
866 | error_message = ": invalid membar mask number"; | |
867 | goto error; | |
355afbcd | 868 | } |
355afbcd | 869 | } |
ed9638af | 870 | else |
355afbcd | 871 | { |
ed9638af | 872 | error_message = ": unrecognizable membar mask"; |
355afbcd KR |
873 | goto error; |
874 | } | |
875 | opcode |= SIMM13 (mask); | |
876 | continue; | |
877 | } | |
878 | ||
879 | case '*': | |
ed9638af KR |
880 | { |
881 | int prefetch_fcn = 0; | |
355afbcd | 882 | |
ed9638af KR |
883 | /* Parse a prefetch function. */ |
884 | if (*s == '#') | |
885 | { | |
886 | s += 1; | |
887 | if (!strncmp (s, "n_reads", 7)) | |
888 | prefetch_fcn = 0, s += 7; | |
889 | else if (!strncmp (s, "one_read", 8)) | |
890 | prefetch_fcn = 1, s += 8; | |
891 | else if (!strncmp (s, "n_writes", 8)) | |
892 | prefetch_fcn = 2, s += 8; | |
893 | else if (!strncmp (s, "one_write", 9)) | |
894 | prefetch_fcn = 3, s += 9; | |
895 | else if (!strncmp (s, "page", 4)) | |
896 | prefetch_fcn = 4, s += 4; | |
897 | else | |
898 | { | |
899 | error_message = ": invalid prefetch function name"; | |
900 | goto error; | |
901 | } | |
902 | } | |
903 | else if (isdigit (*s)) | |
904 | { | |
905 | while (isdigit (*s)) | |
906 | { | |
907 | prefetch_fcn = prefetch_fcn * 10 + *s - '0'; | |
908 | ++s; | |
909 | } | |
910 | ||
911 | if (prefetch_fcn < 0 || prefetch_fcn > 31) | |
912 | { | |
913 | error_message = ": invalid prefetch function number"; | |
914 | goto error; | |
915 | } | |
916 | } | |
917 | else | |
918 | { | |
919 | error_message = ": unrecognizable prefetch function"; | |
920 | goto error; | |
921 | } | |
922 | opcode |= RD (prefetch_fcn); | |
923 | continue; | |
924 | } | |
355afbcd KR |
925 | |
926 | case '!': | |
927 | case '?': | |
928 | /* Parse a privileged register. */ | |
929 | if (*s == '%') | |
930 | { | |
931 | struct priv_reg_entry *p = priv_reg_table; | |
125f0b0d | 932 | int len = 9999999; /* init to make gcc happy */ |
355afbcd KR |
933 | |
934 | s += 1; | |
935 | while (p->name[0] > s[0]) | |
936 | p++; | |
937 | while (p->name[0] == s[0]) | |
938 | { | |
939 | len = strlen (p->name); | |
940 | if (strncmp (p->name, s, len) == 0) | |
941 | break; | |
942 | p++; | |
943 | } | |
944 | if (p->name[0] != s[0]) | |
945 | { | |
ed9638af | 946 | error_message = ": unrecognizable privileged register"; |
355afbcd KR |
947 | goto error; |
948 | } | |
949 | if (*args == '?') | |
950 | opcode |= (p->regnum << 14); | |
951 | else | |
952 | opcode |= (p->regnum << 25); | |
953 | s += len; | |
954 | continue; | |
955 | } | |
956 | else | |
957 | { | |
ed9638af | 958 | error_message = ": unrecognizable privileged register"; |
355afbcd KR |
959 | goto error; |
960 | } | |
961 | #endif | |
962 | /* end-sanitize-v9 */ | |
680227f3 | 963 | |
355afbcd KR |
964 | case 'M': |
965 | case 'm': | |
966 | if (strncmp (s, "%asr", 4) == 0) | |
967 | { | |
968 | s += 4; | |
680227f3 | 969 | |
355afbcd KR |
970 | if (isdigit (*s)) |
971 | { | |
972 | long num = 0; | |
973 | ||
974 | while (isdigit (*s)) | |
975 | { | |
976 | num = num * 10 + *s - '0'; | |
977 | ++s; | |
978 | } | |
979 | ||
980 | if (num < 16 || 31 < num) | |
981 | { | |
982 | error_message = ": asr number must be between 15 and 31"; | |
983 | goto error; | |
984 | } /* out of range */ | |
985 | ||
986 | opcode |= (*args == 'M' ? RS1 (num) : RD (num)); | |
987 | continue; | |
988 | } | |
989 | else | |
990 | { | |
991 | error_message = ": expecting %asrN"; | |
992 | goto error; | |
993 | } /* if %asr followed by a number. */ | |
994 | ||
995 | } /* if %asr */ | |
996 | break; | |
997 | ||
998 | /* start-sanitize-v9 */ | |
999 | #ifndef NO_V9 | |
1000 | case 'I': | |
125f0b0d | 1001 | the_insn.reloc = BFD_RELOC_SPARC_11; |
355afbcd KR |
1002 | immediate_max = 0x03FF; |
1003 | goto immediate; | |
1004 | ||
1005 | case 'j': | |
125f0b0d | 1006 | the_insn.reloc = BFD_RELOC_SPARC_10; |
355afbcd KR |
1007 | immediate_max = 0x01FF; |
1008 | goto immediate; | |
1009 | ||
1010 | case 'k': | |
125f0b0d | 1011 | the_insn.reloc = /* RELOC_WDISP2_14 */ BFD_RELOC_SPARC_WDISP16; |
355afbcd KR |
1012 | the_insn.pcrel = 1; |
1013 | goto immediate; | |
1014 | ||
1015 | case 'G': | |
125f0b0d | 1016 | the_insn.reloc = BFD_RELOC_SPARC_WDISP19; |
355afbcd KR |
1017 | the_insn.pcrel = 1; |
1018 | goto immediate; | |
1019 | ||
1020 | case 'N': | |
1021 | if (*s == 'p' && s[1] == 'n') | |
1022 | { | |
1023 | s += 2; | |
1024 | continue; | |
1025 | } | |
1026 | break; | |
1027 | ||
1028 | case 'T': | |
1029 | if (*s == 'p' && s[1] == 't') | |
1030 | { | |
1031 | s += 2; | |
1032 | continue; | |
1033 | } | |
1034 | break; | |
1035 | ||
1036 | case 'z': | |
1037 | if (*s == ' ') | |
1038 | { | |
1039 | ++s; | |
1040 | } | |
0d44b3d1 | 1041 | if (strncmp (s, "%icc", 4) == 0) |
355afbcd | 1042 | { |
0d44b3d1 | 1043 | s += 4; |
355afbcd KR |
1044 | continue; |
1045 | } | |
1046 | break; | |
1047 | ||
1048 | case 'Z': | |
1049 | if (*s == ' ') | |
1050 | { | |
1051 | ++s; | |
1052 | } | |
0d44b3d1 | 1053 | if (strncmp (s, "%xcc", 4) == 0) |
355afbcd | 1054 | { |
0d44b3d1 | 1055 | s += 4; |
355afbcd KR |
1056 | continue; |
1057 | } | |
1058 | break; | |
1059 | ||
1060 | case '6': | |
1061 | if (*s == ' ') | |
1062 | { | |
1063 | ++s; | |
1064 | } | |
0d44b3d1 | 1065 | if (strncmp (s, "%fcc0", 5) == 0) |
355afbcd | 1066 | { |
0d44b3d1 | 1067 | s += 5; |
355afbcd KR |
1068 | continue; |
1069 | } | |
1070 | break; | |
1071 | ||
1072 | case '7': | |
1073 | if (*s == ' ') | |
1074 | { | |
1075 | ++s; | |
1076 | } | |
0d44b3d1 | 1077 | if (strncmp (s, "%fcc1", 5) == 0) |
355afbcd | 1078 | { |
0d44b3d1 | 1079 | s += 5; |
355afbcd KR |
1080 | continue; |
1081 | } | |
1082 | break; | |
1083 | ||
1084 | case '8': | |
1085 | if (*s == ' ') | |
1086 | { | |
1087 | ++s; | |
1088 | } | |
0d44b3d1 | 1089 | if (strncmp (s, "%fcc2", 5) == 0) |
355afbcd | 1090 | { |
0d44b3d1 | 1091 | s += 5; |
355afbcd KR |
1092 | continue; |
1093 | } | |
1094 | break; | |
1095 | ||
1096 | case '9': | |
1097 | if (*s == ' ') | |
1098 | { | |
1099 | ++s; | |
1100 | } | |
0d44b3d1 | 1101 | if (strncmp (s, "%fcc3", 5) == 0) |
355afbcd | 1102 | { |
0d44b3d1 | 1103 | s += 5; |
355afbcd KR |
1104 | continue; |
1105 | } | |
1106 | break; | |
1107 | ||
1108 | case 'P': | |
1109 | if (strncmp (s, "%pc", 3) == 0) | |
1110 | { | |
1111 | s += 3; | |
1112 | continue; | |
1113 | } | |
1114 | break; | |
1115 | ||
1116 | case 'W': | |
1117 | if (strncmp (s, "%tick", 5) == 0) | |
1118 | { | |
1119 | s += 5; | |
1120 | continue; | |
1121 | } | |
1122 | break; | |
1123 | #endif /* NO_V9 */ | |
1124 | /* end-sanitize-v9 */ | |
1125 | ||
1126 | case '\0': /* end of args */ | |
1127 | if (*s == '\0') | |
1128 | { | |
1129 | match = 1; | |
1130 | } | |
1131 | break; | |
1132 | ||
1133 | case '+': | |
1134 | if (*s == '+') | |
1135 | { | |
1136 | ++s; | |
1137 | continue; | |
1138 | } | |
1139 | if (*s == '-') | |
1140 | { | |
1141 | continue; | |
1142 | } | |
1143 | break; | |
1144 | ||
1145 | case '[': /* these must match exactly */ | |
1146 | case ']': | |
1147 | case ',': | |
1148 | case ' ': | |
1149 | if (*s++ == *args) | |
1150 | continue; | |
1151 | break; | |
1152 | ||
1153 | case '#': /* must be at least one digit */ | |
1154 | if (isdigit (*s++)) | |
1155 | { | |
1156 | while (isdigit (*s)) | |
1157 | { | |
1158 | ++s; | |
1159 | } | |
1160 | continue; | |
1161 | } | |
1162 | break; | |
1163 | ||
1164 | case 'C': /* coprocessor state register */ | |
1165 | if (strncmp (s, "%csr", 4) == 0) | |
1166 | { | |
1167 | s += 4; | |
1168 | continue; | |
1169 | } | |
1170 | break; | |
1171 | ||
1172 | case 'b': /* next operand is a coprocessor register */ | |
1173 | case 'c': | |
1174 | case 'D': | |
1175 | if (*s++ == '%' && *s++ == 'c' && isdigit (*s)) | |
1176 | { | |
1177 | mask = *s++; | |
1178 | if (isdigit (*s)) | |
1179 | { | |
1180 | mask = 10 * (mask - '0') + (*s++ - '0'); | |
1181 | if (mask >= 32) | |
1182 | { | |
1183 | break; | |
1184 | } | |
1185 | } | |
1186 | else | |
1187 | { | |
1188 | mask -= '0'; | |
1189 | } | |
1190 | switch (*args) | |
1191 | { | |
1192 | ||
1193 | case 'b': | |
1194 | opcode |= mask << 14; | |
1195 | continue; | |
1196 | ||
1197 | case 'c': | |
1198 | opcode |= mask; | |
1199 | continue; | |
1200 | ||
1201 | case 'D': | |
1202 | opcode |= mask << 25; | |
1203 | continue; | |
1204 | } | |
1205 | } | |
1206 | break; | |
1207 | ||
1208 | case 'r': /* next operand must be a register */ | |
1209 | case '1': | |
1210 | case '2': | |
1211 | case 'd': | |
1212 | if (*s++ == '%') | |
1213 | { | |
1214 | switch (c = *s++) | |
1215 | { | |
1216 | ||
1217 | case 'f': /* frame pointer */ | |
1218 | if (*s++ == 'p') | |
1219 | { | |
1220 | mask = 0x1e; | |
1221 | break; | |
1222 | } | |
1223 | goto error; | |
1224 | ||
1225 | case 'g': /* global register */ | |
1226 | if (isoctal (c = *s++)) | |
1227 | { | |
1228 | mask = c - '0'; | |
1229 | break; | |
1230 | } | |
1231 | goto error; | |
1232 | ||
1233 | case 'i': /* in register */ | |
1234 | if (isoctal (c = *s++)) | |
1235 | { | |
1236 | mask = c - '0' + 24; | |
1237 | break; | |
1238 | } | |
1239 | goto error; | |
1240 | ||
1241 | case 'l': /* local register */ | |
1242 | if (isoctal (c = *s++)) | |
1243 | { | |
1244 | mask = (c - '0' + 16); | |
1245 | break; | |
1246 | } | |
1247 | goto error; | |
1248 | ||
1249 | case 'o': /* out register */ | |
1250 | if (isoctal (c = *s++)) | |
1251 | { | |
1252 | mask = (c - '0' + 8); | |
1253 | break; | |
1254 | } | |
1255 | goto error; | |
1256 | ||
1257 | case 's': /* stack pointer */ | |
1258 | if (*s++ == 'p') | |
1259 | { | |
1260 | mask = 0xe; | |
1261 | break; | |
1262 | } | |
1263 | goto error; | |
1264 | ||
1265 | case 'r': /* any register */ | |
1266 | if (!isdigit (c = *s++)) | |
1267 | { | |
1268 | goto error; | |
1269 | } | |
1270 | /* FALLTHROUGH */ | |
1271 | case '0': | |
1272 | case '1': | |
1273 | case '2': | |
1274 | case '3': | |
1275 | case '4': | |
1276 | case '5': | |
1277 | case '6': | |
1278 | case '7': | |
1279 | case '8': | |
1280 | case '9': | |
1281 | if (isdigit (*s)) | |
1282 | { | |
1283 | if ((c = 10 * (c - '0') + (*s++ - '0')) >= 32) | |
680227f3 | 1284 | { |
680227f3 KR |
1285 | goto error; |
1286 | } | |
355afbcd KR |
1287 | } |
1288 | else | |
1289 | { | |
1290 | c -= '0'; | |
1291 | } | |
1292 | mask = c; | |
1293 | break; | |
1294 | ||
1295 | default: | |
1296 | goto error; | |
1297 | } | |
1298 | /* | |
680227f3 KR |
1299 | * Got the register, now figure out where |
1300 | * it goes in the opcode. | |
1301 | */ | |
355afbcd KR |
1302 | switch (*args) |
1303 | { | |
1304 | ||
1305 | case '1': | |
1306 | opcode |= mask << 14; | |
1307 | continue; | |
1308 | ||
1309 | case '2': | |
1310 | opcode |= mask; | |
1311 | continue; | |
1312 | ||
1313 | case 'd': | |
1314 | opcode |= mask << 25; | |
1315 | continue; | |
1316 | ||
1317 | case 'r': | |
1318 | opcode |= (mask << 25) | (mask << 14); | |
1319 | continue; | |
1320 | } | |
1321 | } | |
1322 | break; | |
1323 | ||
1324 | case 'e': /* next operand is a floating point register */ | |
1325 | case 'v': | |
1326 | case 'V': | |
1327 | ||
1328 | case 'f': | |
1329 | case 'B': | |
1330 | case 'R': | |
1331 | ||
1332 | case 'g': | |
1333 | case 'H': | |
1334 | case 'J': | |
1335 | { | |
1336 | char format; | |
1337 | ||
1338 | if (*s++ == '%' | |
355afbcd | 1339 | && ((format = *s) == 'f') |
355afbcd KR |
1340 | && isdigit (*++s)) |
1341 | { | |
355afbcd KR |
1342 | for (mask = 0; isdigit (*s); ++s) |
1343 | { | |
1344 | mask = 10 * mask + (*s - '0'); | |
1345 | } /* read the number */ | |
1346 | ||
1347 | if ((*args == 'v' | |
1348 | || *args == 'B' | |
1349 | || *args == 'H') | |
1350 | && (mask & 1)) | |
1351 | { | |
1352 | break; | |
1353 | } /* register must be even numbered */ | |
1354 | ||
1355 | if ((*args == 'V' | |
1356 | || *args == 'R' | |
1357 | || *args == 'J') | |
1358 | && (mask & 3)) | |
1359 | { | |
1360 | break; | |
1361 | } /* register must be multiple of 4 */ | |
1362 | ||
125f0b0d | 1363 | /* start-sanitize-v9 */ |
a79c6033 | 1364 | #ifndef NO_V9 |
125f0b0d | 1365 | if (mask >= 64) |
355afbcd | 1366 | { |
125f0b0d KR |
1367 | error_message = ": There are only 64 f registers; [0-63]"; |
1368 | goto error; | |
1369 | } /* on error */ | |
1370 | if (mask >= 32) | |
1371 | { | |
1372 | mask -= 31; | |
1373 | } /* wrap high bit */ | |
1374 | #else | |
1375 | /* end-sanitize-v9 */ | |
1376 | if (mask >= 32) | |
1377 | { | |
1378 | error_message = ": There are only 32 f registers; [0-31]"; | |
1379 | goto error; | |
1380 | } /* on error */ | |
1381 | /* start-sanitize-v9 */ | |
1382 | #endif | |
1383 | /* end-sanitize-v9 */ | |
1384 | } | |
1385 | else | |
1386 | { | |
1387 | break; | |
1388 | } /* if not an 'f' register. */ | |
355afbcd KR |
1389 | |
1390 | switch (*args) | |
1391 | { | |
1392 | ||
1393 | case 'v': | |
1394 | case 'V': | |
1395 | case 'e': | |
1396 | opcode |= RS1 (mask); | |
1397 | continue; | |
1398 | ||
1399 | ||
1400 | case 'f': | |
1401 | case 'B': | |
1402 | case 'R': | |
1403 | opcode |= RS2 (mask); | |
1404 | continue; | |
1405 | ||
1406 | case 'g': | |
1407 | case 'H': | |
1408 | case 'J': | |
1409 | opcode |= RD (mask); | |
1410 | continue; | |
1411 | } /* pack it in. */ | |
1412 | ||
1413 | know (0); | |
1414 | break; | |
1415 | } /* float arg */ | |
1416 | ||
1417 | case 'F': | |
1418 | if (strncmp (s, "%fsr", 4) == 0) | |
1419 | { | |
1420 | s += 4; | |
1421 | continue; | |
1422 | } | |
1423 | break; | |
1424 | ||
1425 | case 'h': /* high 22 bits */ | |
428d312b | 1426 | the_insn.reloc = BFD_RELOC_HI22; |
355afbcd KR |
1427 | goto immediate; |
1428 | ||
1429 | case 'l': /* 22 bit PC relative immediate */ | |
428d312b | 1430 | the_insn.reloc = BFD_RELOC_SPARC_WDISP22; |
355afbcd KR |
1431 | the_insn.pcrel = 1; |
1432 | goto immediate; | |
1433 | ||
1434 | case 'L': /* 30 bit immediate */ | |
428d312b | 1435 | the_insn.reloc = BFD_RELOC_32_PCREL_S2; |
355afbcd KR |
1436 | the_insn.pcrel = 1; |
1437 | goto immediate; | |
1438 | ||
1439 | case 'n': /* 22 bit immediate */ | |
428d312b | 1440 | the_insn.reloc = BFD_RELOC_SPARC22; |
355afbcd KR |
1441 | goto immediate; |
1442 | ||
1443 | case 'i': /* 13 bit immediate */ | |
428d312b KR |
1444 | /* What's the difference between base13 and 13? */ |
1445 | the_insn.reloc = BFD_RELOC_SPARC_BASE13; | |
355afbcd KR |
1446 | immediate_max = 0x0FFF; |
1447 | ||
1448 | /*FALLTHROUGH */ | |
1449 | ||
1450 | immediate: | |
1451 | if (*s == ' ') | |
1452 | s++; | |
1453 | if (*s == '%') | |
1454 | { | |
1455 | if ((c = s[1]) == 'h' && s[2] == 'i') | |
1456 | { | |
428d312b | 1457 | the_insn.reloc = BFD_RELOC_HI22; |
355afbcd KR |
1458 | s += 3; |
1459 | } | |
1460 | else if (c == 'l' && s[2] == 'o') | |
1461 | { | |
428d312b | 1462 | the_insn.reloc = BFD_RELOC_LO10; |
355afbcd KR |
1463 | s += 3; |
1464 | /* start-sanitize-v9 */ | |
9b856b4f | 1465 | #ifndef NO_V9 |
355afbcd KR |
1466 | } |
1467 | else if (c == 'u' | |
1468 | && s[2] == 'h' | |
1469 | && s[3] == 'i') | |
1470 | { | |
125f0b0d | 1471 | the_insn.reloc = BFD_RELOC_SPARC_HH22; |
355afbcd | 1472 | s += 4; |
355afbcd KR |
1473 | } |
1474 | else if (c == 'u' | |
1475 | && s[2] == 'l' | |
1476 | && s[3] == 'o') | |
1477 | { | |
125f0b0d | 1478 | the_insn.reloc = BFD_RELOC_SPARC_HM10; |
355afbcd | 1479 | s += 4; |
9b856b4f | 1480 | #endif /* NO_V9 */ |
355afbcd KR |
1481 | /* end-sanitize-v9 */ |
1482 | } | |
1483 | else | |
1484 | break; | |
1485 | } | |
1486 | /* Note that if the getExpression() fails, we | |
8fc0776d JW |
1487 | will still have created U entries in the |
1488 | symbol table for the 'symbols' in the input | |
1489 | string. Try not to create U symbols for | |
1490 | registers, etc. */ | |
355afbcd KR |
1491 | { |
1492 | /* This stuff checks to see if the | |
8fc0776d JW |
1493 | expression ends in +%reg If it does, |
1494 | it removes the register from the | |
1495 | expression, and re-sets 's' to point | |
1496 | to the right place */ | |
355afbcd KR |
1497 | |
1498 | char *s1; | |
1499 | ||
1500 | for (s1 = s; *s1 && *s1 != ',' && *s1 != ']'; s1++);; | |
1501 | ||
1502 | if (s1 != s && isdigit (s1[-1])) | |
1503 | { | |
1504 | if (s1[-2] == '%' && s1[-3] == '+') | |
1505 | { | |
1506 | s1 -= 3; | |
1507 | *s1 = '\0'; | |
1508 | (void) getExpression (s); | |
1509 | *s1 = '+'; | |
1510 | s = s1; | |
1511 | continue; | |
1512 | } | |
1513 | else if (strchr ("goli0123456789", s1[-2]) && s1[-3] == '%' && s1[-4] == '+') | |
1514 | { | |
1515 | s1 -= 4; | |
1516 | *s1 = '\0'; | |
1517 | (void) getExpression (s); | |
1518 | *s1 = '+'; | |
1519 | s = s1; | |
1520 | continue; | |
1521 | } | |
1522 | } | |
1523 | } | |
1524 | (void) getExpression (s); | |
1525 | s = expr_end; | |
1526 | ||
1527 | /* Check for invalid constant values. Don't | |
8fc0776d JW |
1528 | warn if constant was inside %hi or %lo, |
1529 | since these truncate the constant to | |
1530 | fit. */ | |
355afbcd | 1531 | if (immediate_max != 0 |
428d312b KR |
1532 | && the_insn.reloc != BFD_RELOC_LO10 |
1533 | && the_insn.reloc != BFD_RELOC_HI22 | |
355afbcd | 1534 | /* start-sanitize-v9 */ |
0cef0e20 | 1535 | #ifndef NO_V9 |
428d312b | 1536 | #ifndef BFD_ASSEMBLER /* the bfd backend doesn't support these relocs yet */ |
355afbcd KR |
1537 | && the_insn.reloc != RELOC_HLO10 |
1538 | && the_insn.reloc != RELOC_HHI22 | |
428d312b | 1539 | #endif |
0cef0e20 | 1540 | #endif |
355afbcd KR |
1541 | /* end-sanitize-v9 */ |
1542 | && the_insn.exp.X_add_symbol == 0 | |
5ac34ac3 ILT |
1543 | && the_insn.exp.X_op_symbol == 0 |
1544 | && the_insn.exp.X_op == O_constant | |
355afbcd KR |
1545 | && (the_insn.exp.X_add_number > immediate_max |
1546 | || the_insn.exp.X_add_number < ~immediate_max)) | |
1547 | as_bad ("constant value must be between %ld and %ld", | |
1548 | ~immediate_max, immediate_max); | |
1549 | /* Reset to prevent extraneous range check. */ | |
1550 | immediate_max = 0; | |
1551 | ||
1552 | continue; | |
1553 | ||
1554 | case 'a': | |
1555 | if (*s++ == 'a') | |
1556 | { | |
1557 | opcode |= ANNUL; | |
1558 | continue; | |
1559 | } | |
1560 | break; | |
1561 | ||
1562 | case 'A': | |
1563 | { | |
ed9638af KR |
1564 | /* start-sanitize-v9 */ |
1565 | #ifdef NO_V9 | |
1566 | /* end-sanitize-v9 */ | |
355afbcd KR |
1567 | char *push = input_line_pointer; |
1568 | expressionS e; | |
1569 | ||
1570 | input_line_pointer = s; | |
1571 | ||
5ac34ac3 ILT |
1572 | expression (&e); |
1573 | if (e.X_op == O_constant) | |
355afbcd KR |
1574 | { |
1575 | opcode |= e.X_add_number << 5; | |
1576 | s = input_line_pointer; | |
1577 | input_line_pointer = push; | |
1578 | continue; | |
1579 | } /* if absolute */ | |
1580 | ||
1581 | break; | |
ed9638af KR |
1582 | /* start-sanitize-v9 */ |
1583 | #else | |
1584 | int asi = 0; | |
1585 | ||
1586 | /* Parse an asi. */ | |
1587 | if (*s == '#') | |
1588 | { | |
1589 | s += 1; | |
1590 | if (!strncmp (s, "ASI_AIUP", 8)) | |
1591 | asi = 0x10, s += 8; | |
1592 | else if (!strncmp (s, "ASI_AIUS", 8)) | |
1593 | asi = 0x11, s += 8; | |
1594 | else if (!strncmp (s, "ASI_PNF", 7)) | |
1595 | asi = 0x82, s += 7; | |
1596 | else if (!strncmp (s, "ASI_SNF", 7)) | |
1597 | asi = 0x83, s += 7; | |
1598 | else if (!strncmp (s, "ASI_P", 5)) | |
1599 | asi = 0x80, s += 5; | |
1600 | else if (!strncmp (s, "ASI_S", 5)) | |
1601 | asi = 0x81, s += 5; | |
1602 | else | |
1603 | { | |
1604 | error_message = ": invalid asi name"; | |
1605 | goto error; | |
1606 | } | |
1607 | } | |
1608 | else if (isdigit (*s)) | |
1609 | { | |
1610 | char *push = input_line_pointer; | |
1611 | input_line_pointer = s; | |
1612 | asi = get_absolute_expression (); | |
1613 | s = input_line_pointer; | |
1614 | input_line_pointer = push; | |
1615 | ||
1616 | if (asi < 0 || asi > 255) | |
1617 | { | |
1618 | error_message = ": invalid asi number"; | |
1619 | goto error; | |
1620 | } | |
1621 | } | |
1622 | else | |
1623 | { | |
1624 | error_message = ": unrecognizable asi"; | |
1625 | goto error; | |
1626 | } | |
1627 | opcode |= ASI (asi); | |
1628 | continue; | |
1629 | #endif | |
1630 | /* end-sanitize-v9 */ | |
355afbcd KR |
1631 | } /* alternate space */ |
1632 | ||
1633 | case 'p': | |
1634 | if (strncmp (s, "%psr", 4) == 0) | |
1635 | { | |
1636 | s += 4; | |
1637 | continue; | |
1638 | } | |
1639 | break; | |
1640 | ||
1641 | case 'q': /* floating point queue */ | |
1642 | if (strncmp (s, "%fq", 3) == 0) | |
1643 | { | |
1644 | s += 3; | |
1645 | continue; | |
1646 | } | |
1647 | break; | |
1648 | ||
1649 | case 'Q': /* coprocessor queue */ | |
1650 | if (strncmp (s, "%cq", 3) == 0) | |
1651 | { | |
1652 | s += 3; | |
1653 | continue; | |
1654 | } | |
1655 | break; | |
1656 | ||
1657 | case 'S': | |
1658 | if (strcmp (str, "set") == 0) | |
1659 | { | |
1660 | special_case = SPECIAL_CASE_SET; | |
1661 | continue; | |
1662 | } | |
1663 | else if (strncmp (str, "fdiv", 4) == 0) | |
1664 | { | |
1665 | special_case = SPECIAL_CASE_FDIV; | |
1666 | continue; | |
1667 | } | |
1668 | break; | |
1669 | ||
1670 | /* start-sanitize-v9 */ | |
680227f3 | 1671 | #ifndef NO_V9 |
355afbcd KR |
1672 | case 'o': |
1673 | if (strncmp (s, "%asi", 4) != 0) | |
1674 | break; | |
1675 | s += 4; | |
1676 | continue; | |
1677 | ||
1678 | case 's': | |
1679 | if (strncmp (s, "%fprs", 5) != 0) | |
1680 | break; | |
1681 | s += 5; | |
1682 | continue; | |
1683 | ||
1684 | case 'E': | |
1685 | if (strncmp (s, "%ccr", 4) != 0) | |
1686 | break; | |
1687 | s += 4; | |
1688 | continue; | |
680227f3 | 1689 | #endif /* NO_V9 */ |
355afbcd | 1690 | /* end-sanitize-v9 */ |
680227f3 | 1691 | |
355afbcd KR |
1692 | case 't': |
1693 | if (strncmp (s, "%tbr", 4) != 0) | |
1694 | break; | |
1695 | s += 4; | |
1696 | continue; | |
1697 | ||
1698 | case 'w': | |
1699 | if (strncmp (s, "%wim", 4) != 0) | |
1700 | break; | |
1701 | s += 4; | |
1702 | continue; | |
1703 | ||
1704 | case 'y': | |
1705 | if (strncmp (s, "%y", 2) != 0) | |
1706 | break; | |
1707 | s += 2; | |
1708 | continue; | |
1709 | ||
1710 | default: | |
1711 | as_fatal ("failed sanity check."); | |
1712 | } /* switch on arg code */ | |
1713 | break; | |
1714 | } /* for each arg that we expect */ | |
1715 | error: | |
1716 | if (match == 0) | |
1717 | { | |
1718 | /* Args don't match. */ | |
1719 | if (((unsigned) (&insn[1] - sparc_opcodes)) < NUMOPCODES | |
1720 | && !strcmp (insn->name, insn[1].name)) | |
1721 | { | |
1722 | ++insn; | |
1723 | s = argsStart; | |
1724 | continue; | |
1725 | } | |
1726 | else | |
1727 | { | |
1728 | as_bad ("Illegal operands%s", error_message); | |
1729 | return; | |
1730 | } | |
1731 | } | |
1732 | else | |
1733 | { | |
1734 | if (insn->architecture > current_architecture) | |
1735 | { | |
1736 | if ((!architecture_requested || warn_on_bump) | |
1737 | && | |
1738 | /* start-sanitize-v9 */ | |
680227f3 | 1739 | #ifndef NO_V9 |
355afbcd KR |
1740 | !ARCHITECTURES_CONFLICT_P (current_architecture, |
1741 | insn->architecture) | |
680227f3 | 1742 | #else |
355afbcd KR |
1743 | /* end-sanitize-v9 */ |
1744 | 1 | |
1745 | /* start-sanitize-v9 */ | |
680227f3 | 1746 | #endif |
355afbcd KR |
1747 | /* end-sanitize-v9 */ |
1748 | ) | |
1749 | { | |
1750 | if (warn_on_bump) | |
1751 | { | |
1752 | as_warn ("architecture bumped from \"%s\" to \"%s\" on \"%s\"", | |
1753 | architecture_pname[current_architecture], | |
1754 | architecture_pname[insn->architecture], | |
1755 | str); | |
1756 | } /* if warning */ | |
fecd2382 | 1757 | |
355afbcd KR |
1758 | current_architecture = insn->architecture; |
1759 | } | |
1760 | else | |
1761 | { | |
1762 | as_bad ("architecture mismatch on \"%s\" (\"%s\"). current architecture is \"%s\"", | |
1763 | str, | |
1764 | architecture_pname[insn->architecture], | |
1765 | architecture_pname[current_architecture]); | |
1766 | return; | |
1767 | } /* if bump ok else error */ | |
1768 | } /* if architecture higher */ | |
1769 | } /* if no match */ | |
1770 | ||
1771 | break; | |
1772 | } /* forever looking for a match */ | |
1773 | ||
1774 | the_insn.opcode = opcode; | |
1775 | return; | |
1776 | } /* sparc_ip() */ | |
1777 | ||
1778 | static int | |
1779 | getExpression (str) | |
1780 | char *str; | |
fecd2382 | 1781 | { |
355afbcd KR |
1782 | char *save_in; |
1783 | segT seg; | |
1784 | ||
1785 | save_in = input_line_pointer; | |
1786 | input_line_pointer = str; | |
428d312b KR |
1787 | seg = expression (&the_insn.exp); |
1788 | if (seg == absolute_section | |
1789 | || seg == text_section | |
1790 | || seg == data_section | |
1791 | || seg == bss_section | |
5ac34ac3 | 1792 | || seg == undefined_section) |
428d312b KR |
1793 | /* ok */; |
1794 | else | |
355afbcd | 1795 | { |
355afbcd KR |
1796 | the_insn.error = "bad segment"; |
1797 | expr_end = input_line_pointer; | |
1798 | input_line_pointer = save_in; | |
1799 | return 1; | |
1800 | } | |
1801 | expr_end = input_line_pointer; | |
1802 | input_line_pointer = save_in; | |
1803 | return 0; | |
1804 | } /* getExpression() */ | |
fecd2382 RP |
1805 | |
1806 | ||
1807 | /* | |
1808 | This is identical to the md_atof in m68k.c. I think this is right, | |
1809 | but I'm not sure. | |
355afbcd | 1810 | |
fecd2382 RP |
1811 | Turn a string in input_line_pointer into a floating point constant of type |
1812 | type, and store the appropriate bytes in *litP. The number of LITTLENUMS | |
1813 | emitted is stored in *sizeP . An error message is returned, or NULL on OK. | |
1814 | */ | |
1815 | ||
1816 | /* Equal to MAX_PRECISION in atof-ieee.c */ | |
1817 | #define MAX_LITTLENUMS 6 | |
1818 | ||
355afbcd KR |
1819 | char * |
1820 | md_atof (type, litP, sizeP) | |
1821 | char type; | |
1822 | char *litP; | |
1823 | int *sizeP; | |
fecd2382 | 1824 | { |
355afbcd KR |
1825 | int prec; |
1826 | LITTLENUM_TYPE words[MAX_LITTLENUMS]; | |
1827 | LITTLENUM_TYPE *wordP; | |
1828 | char *t; | |
1829 | char *atof_ieee (); | |
1830 | ||
1831 | switch (type) | |
1832 | { | |
1833 | ||
1834 | case 'f': | |
1835 | case 'F': | |
1836 | case 's': | |
1837 | case 'S': | |
1838 | prec = 2; | |
1839 | break; | |
1840 | ||
1841 | case 'd': | |
1842 | case 'D': | |
1843 | case 'r': | |
1844 | case 'R': | |
1845 | prec = 4; | |
1846 | break; | |
1847 | ||
1848 | case 'x': | |
1849 | case 'X': | |
1850 | prec = 6; | |
1851 | break; | |
1852 | ||
1853 | case 'p': | |
1854 | case 'P': | |
1855 | prec = 6; | |
1856 | break; | |
1857 | ||
1858 | default: | |
1859 | *sizeP = 0; | |
1860 | return "Bad call to MD_ATOF()"; | |
1861 | } | |
1862 | t = atof_ieee (input_line_pointer, type, words); | |
1863 | if (t) | |
1864 | input_line_pointer = t; | |
1865 | *sizeP = prec * sizeof (LITTLENUM_TYPE); | |
1866 | for (wordP = words; prec--;) | |
1867 | { | |
125f0b0d | 1868 | md_number_to_chars (litP, (valueT) (*wordP++), sizeof (LITTLENUM_TYPE)); |
355afbcd KR |
1869 | litP += sizeof (LITTLENUM_TYPE); |
1870 | } | |
ed9638af KR |
1871 | return 0; |
1872 | } | |
fecd2382 RP |
1873 | |
1874 | /* | |
1875 | * Write out big-endian. | |
1876 | */ | |
355afbcd KR |
1877 | void |
1878 | md_number_to_chars (buf, val, n) | |
1879 | char *buf; | |
125f0b0d | 1880 | valueT val; |
355afbcd | 1881 | int n; |
fecd2382 | 1882 | { |
355afbcd KR |
1883 | |
1884 | switch (n) | |
1885 | { | |
125f0b0d KR |
1886 | /* start-sanitize-v9 */ |
1887 | case 8: | |
1888 | *buf++ = val >> 56; | |
1889 | *buf++ = val >> 48; | |
1890 | *buf++ = val >> 40; | |
1891 | *buf++ = val >> 32; | |
1892 | /* end-sanitize-v9 */ | |
355afbcd KR |
1893 | case 4: |
1894 | *buf++ = val >> 24; | |
1895 | *buf++ = val >> 16; | |
1896 | case 2: | |
1897 | *buf++ = val >> 8; | |
1898 | case 1: | |
1899 | *buf = val; | |
1900 | break; | |
1901 | ||
1902 | default: | |
1903 | as_fatal ("failed sanity check."); | |
1904 | } | |
1905 | return; | |
1906 | } /* md_number_to_chars() */ | |
fecd2382 RP |
1907 | |
1908 | /* Apply a fixS to the frags, now that we know the value it ought to | |
1909 | hold. */ | |
1910 | ||
428d312b KR |
1911 | #ifdef BFD_ASSEMBLER |
1912 | int | |
1913 | #else | |
355afbcd | 1914 | void |
428d312b KR |
1915 | #endif |
1916 | md_apply_fix (fixP, value) | |
355afbcd | 1917 | fixS *fixP; |
428d312b | 1918 | #ifdef BFD_ASSEMBLER |
125f0b0d | 1919 | valueT *value; |
428d312b KR |
1920 | #else |
1921 | long value; | |
1922 | #endif | |
fecd2382 | 1923 | { |
355afbcd | 1924 | char *buf = fixP->fx_where + fixP->fx_frag->fr_literal; |
125f0b0d | 1925 | offsetT val; |
428d312b KR |
1926 | |
1927 | #ifdef BFD_ASSEMBLER | |
1928 | val = *value; | |
1929 | #else | |
1930 | val = value; | |
1931 | #endif | |
355afbcd | 1932 | |
428d312b KR |
1933 | #ifdef BFD_ASSEMBLER |
1934 | assert (fixP->fx_r_type < BFD_RELOC_UNUSED); | |
1935 | #else | |
355afbcd | 1936 | assert (fixP->fx_r_type < NO_RELOC); |
428d312b | 1937 | #endif |
355afbcd KR |
1938 | |
1939 | fixP->fx_addnumber = val; /* Remember value for emit_reloc */ | |
1940 | ||
1941 | /* | |
428d312b KR |
1942 | * This is a hack. There should be a better way to |
1943 | * handle this. | |
1944 | */ | |
1945 | if (fixP->fx_r_type == BFD_RELOC_32_PCREL_S2 && fixP->fx_addsy) | |
355afbcd KR |
1946 | { |
1947 | val += fixP->fx_where + fixP->fx_frag->fr_address; | |
1948 | } | |
1949 | ||
1950 | switch (fixP->fx_r_type) | |
1951 | { | |
1952 | ||
428d312b | 1953 | case BFD_RELOC_32: |
355afbcd KR |
1954 | buf[0] = 0; /* val >> 24; */ |
1955 | buf[1] = 0; /* val >> 16; */ | |
1956 | buf[2] = 0; /* val >> 8; */ | |
1957 | buf[3] = 0; /* val; */ | |
1958 | break; | |
1959 | ||
428d312b | 1960 | case BFD_RELOC_32_PCREL_S2: |
355afbcd KR |
1961 | val = (val >>= 2) + 1; |
1962 | buf[0] |= (val >> 24) & 0x3f; | |
1963 | buf[1] = (val >> 16); | |
1964 | buf[2] = val >> 8; | |
1965 | buf[3] = val; | |
1966 | break; | |
1967 | ||
1968 | /* start-sanitize-v9 */ | |
839df5c3 | 1969 | #ifndef NO_V9 |
125f0b0d | 1970 | case BFD_RELOC_SPARC_11: |
355afbcd KR |
1971 | if (((val > 0) && (val & ~0x7ff)) |
1972 | || ((val < 0) && (~(val - 1) & ~0x7ff))) | |
1973 | { | |
1974 | as_bad ("relocation overflow."); | |
1975 | } /* on overflow */ | |
1976 | ||
1977 | buf[2] |= (val >> 8) & 0x7; | |
1978 | buf[3] = val & 0xff; | |
1979 | break; | |
1980 | ||
125f0b0d | 1981 | case BFD_RELOC_SPARC_10: |
355afbcd KR |
1982 | if (((val > 0) && (val & ~0x3ff)) |
1983 | || ((val < 0) && (~(val - 1) & ~0x3ff))) | |
1984 | { | |
1985 | as_bad ("relocation overflow."); | |
1986 | } /* on overflow */ | |
1987 | ||
1988 | buf[2] |= (val >> 8) & 0x3; | |
1989 | buf[3] = val & 0xff; | |
1990 | break; | |
1991 | ||
125f0b0d | 1992 | case BFD_RELOC_SPARC_WDISP16: |
355afbcd KR |
1993 | if (((val > 0) && (val & ~0x3fffc)) |
1994 | || ((val < 0) && (~(val - 1) & ~0x3fffc))) | |
1995 | { | |
1996 | as_bad ("relocation overflow."); | |
1997 | } /* on overflow */ | |
1998 | ||
1999 | val = (val >>= 2) + 1; | |
8fc0776d | 2000 | buf[1] |= ((val >> 14) & 0x3) << 4; |
355afbcd KR |
2001 | buf[2] |= (val >> 8) & 0x3f; |
2002 | buf[3] = val & 0xff; | |
2003 | break; | |
2004 | ||
125f0b0d | 2005 | case BFD_RELOC_SPARC_WDISP19: |
355afbcd KR |
2006 | if (((val > 0) && (val & ~0x1ffffc)) |
2007 | || ((val < 0) && (~(val - 1) & ~0x1ffffc))) | |
2008 | { | |
2009 | as_bad ("relocation overflow."); | |
2010 | } /* on overflow */ | |
2011 | ||
2012 | val = (val >>= 2) + 1; | |
2013 | buf[1] |= (val >> 16) & 0x7; | |
2014 | buf[2] = (val >> 8) & 0xff; | |
2015 | buf[3] = val & 0xff; | |
2016 | break; | |
2017 | ||
125f0b0d | 2018 | case BFD_RELOC_SPARC_HH22: |
355afbcd KR |
2019 | val >>= 32; |
2020 | /* intentional fallthrough */ | |
839df5c3 | 2021 | #endif /* NO_V9 */ |
355afbcd KR |
2022 | /* end-sanitize-v9 */ |
2023 | ||
125f0b0d KR |
2024 | /* start-sanitize-v9 */ |
2025 | #ifndef NO_V9 | |
2026 | case BFD_RELOC_SPARC_LM22: | |
2027 | #endif | |
2028 | /* end-sanitize-v9 */ | |
428d312b | 2029 | case BFD_RELOC_HI22: |
355afbcd KR |
2030 | if (!fixP->fx_addsy) |
2031 | { | |
2032 | buf[1] |= (val >> 26) & 0x3f; | |
2033 | buf[2] = val >> 18; | |
2034 | buf[3] = val >> 10; | |
2035 | } | |
2036 | else | |
2037 | { | |
2038 | buf[2] = 0; | |
2039 | buf[3] = 0; | |
2040 | } | |
2041 | break; | |
2042 | ||
428d312b | 2043 | case BFD_RELOC_SPARC22: |
355afbcd KR |
2044 | if (val & ~0x003fffff) |
2045 | { | |
2046 | as_bad ("relocation overflow"); | |
2047 | } /* on overflow */ | |
2048 | buf[1] |= (val >> 16) & 0x3f; | |
2049 | buf[2] = val >> 8; | |
2050 | buf[3] = val & 0xff; | |
2051 | break; | |
2052 | ||
428d312b | 2053 | case BFD_RELOC_SPARC13: |
355afbcd KR |
2054 | if (val & ~0x00001fff) |
2055 | { | |
2056 | as_bad ("relocation overflow"); | |
2057 | } /* on overflow */ | |
2058 | buf[2] |= (val >> 8) & 0x1f; | |
2059 | buf[3] = val & 0xff; | |
2060 | break; | |
2061 | ||
2062 | /* start-sanitize-v9 */ | |
9b856b4f | 2063 | #ifndef NO_V9 |
125f0b0d | 2064 | case BFD_RELOC_SPARC_HM10: |
355afbcd KR |
2065 | val >>= 32; |
2066 | /* intentional fallthrough */ | |
9b856b4f | 2067 | #endif /* NO_V9 */ |
355afbcd KR |
2068 | /* end-sanitize-v9 */ |
2069 | ||
428d312b | 2070 | case BFD_RELOC_LO10: |
355afbcd KR |
2071 | if (!fixP->fx_addsy) |
2072 | { | |
2073 | buf[2] |= (val >> 8) & 0x03; | |
2074 | buf[3] = val; | |
2075 | } | |
2076 | else | |
2077 | buf[3] = 0; | |
2078 | break; | |
428d312b | 2079 | case BFD_RELOC_SPARC_BASE13: |
125f0b0d KR |
2080 | if (((val > 0) && (val & ~(offsetT)0x00001fff)) |
2081 | || ((val < 0) && (~(val - 1) & ~(offsetT)0x00001fff))) | |
355afbcd KR |
2082 | { |
2083 | as_bad ("relocation overflow"); | |
125f0b0d | 2084 | } |
355afbcd KR |
2085 | buf[2] |= (val >> 8) & 0x1f; |
2086 | buf[3] = val; | |
2087 | break; | |
2088 | ||
428d312b | 2089 | case BFD_RELOC_SPARC_WDISP22: |
355afbcd KR |
2090 | val = (val >>= 2) + 1; |
2091 | /* FALLTHROUGH */ | |
428d312b | 2092 | case BFD_RELOC_SPARC_BASE22: |
355afbcd KR |
2093 | buf[1] |= (val >> 16) & 0x3f; |
2094 | buf[2] = val >> 8; | |
2095 | buf[3] = val; | |
2096 | break; | |
2097 | ||
428d312b | 2098 | case BFD_RELOC_NONE: |
355afbcd | 2099 | default: |
428d312b | 2100 | as_bad ("bad or unhandled relocation type: 0x%02x", fixP->fx_r_type); |
355afbcd KR |
2101 | break; |
2102 | } | |
428d312b KR |
2103 | |
2104 | #ifdef BFD_ASSEMBLER | |
2105 | return 1; | |
2106 | #endif | |
2107 | } | |
fecd2382 RP |
2108 | |
2109 | /* should never be called for sparc */ | |
355afbcd KR |
2110 | void |
2111 | md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol) | |
2112 | char *ptr; | |
125f0b0d KR |
2113 | addressT from_addr; |
2114 | addressT to_addr; | |
355afbcd KR |
2115 | fragS *frag; |
2116 | symbolS *to_symbol; | |
fecd2382 | 2117 | { |
355afbcd | 2118 | as_fatal ("sparc_create_short_jmp\n"); |
428d312b KR |
2119 | } |
2120 | ||
2121 | #ifdef BFD_ASSEMBLER | |
2122 | ||
2123 | /* Translate internal representation of relocation info to BFD target | |
2124 | format. */ | |
2125 | arelent * | |
2126 | tc_gen_reloc (section, fixp) | |
2127 | asection *section; | |
2128 | fixS *fixp; | |
2129 | { | |
2130 | arelent *reloc; | |
2131 | bfd_reloc_code_real_type code; | |
2132 | ||
2133 | reloc = (arelent *) bfd_alloc_by_size_t (stdoutput, sizeof (arelent)); | |
2134 | assert (reloc != 0); | |
2135 | ||
2136 | reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym; | |
2137 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; | |
2138 | if (fixp->fx_pcrel == 0) | |
2139 | reloc->addend = fixp->fx_addnumber; | |
2140 | else | |
ed9638af KR |
2141 | switch (OUTPUT_FLAVOR) |
2142 | { | |
2143 | case bfd_target_elf_flavour: | |
2144 | reloc->addend = 0; | |
2145 | break; | |
2146 | case bfd_target_aout_flavour: | |
2147 | reloc->addend = - reloc->address; | |
2148 | break; | |
2149 | default: | |
2150 | /* What's a good default here? Is there any?? */ | |
2151 | abort (); | |
2152 | } | |
428d312b | 2153 | |
428d312b KR |
2154 | switch (fixp->fx_r_type) |
2155 | { | |
2156 | case BFD_RELOC_32: | |
2157 | case BFD_RELOC_HI22: | |
2158 | case BFD_RELOC_LO10: | |
2159 | case BFD_RELOC_32_PCREL_S2: | |
2160 | case BFD_RELOC_SPARC_BASE13: | |
ed9638af | 2161 | case BFD_RELOC_SPARC_WDISP22: |
125f0b0d KR |
2162 | /* start-sanitize-v9 */ |
2163 | case BFD_RELOC_SPARC_10: | |
2164 | case BFD_RELOC_SPARC_11: | |
2165 | case BFD_RELOC_SPARC_HH22: | |
2166 | case BFD_RELOC_SPARC_HM10: | |
2167 | case BFD_RELOC_SPARC_LM22: | |
2168 | case BFD_RELOC_SPARC_PC_HH22: | |
2169 | case BFD_RELOC_SPARC_PC_HM10: | |
2170 | case BFD_RELOC_SPARC_PC_LM22: | |
2171 | /* end-sanitize-v9 */ | |
428d312b KR |
2172 | code = fixp->fx_r_type; |
2173 | break; | |
2174 | default: | |
2175 | abort (); | |
2176 | } | |
2177 | reloc->howto = bfd_reloc_type_lookup (stdoutput, code); | |
2178 | assert (reloc->howto != 0); | |
2179 | ||
2180 | return reloc; | |
2181 | } | |
2182 | ||
2183 | #else | |
fecd2382 RP |
2184 | |
2185 | /* Translate internal representation of relocation info to target format. | |
355afbcd | 2186 | |
fecd2382 RP |
2187 | On sparc: first 4 bytes are normal unsigned long address, next three |
2188 | bytes are index, most sig. byte first. Byte 7 is broken up with | |
2189 | bit 7 as external, bits 6 & 5 unused, and the lower | |
2190 | five bits as relocation type. Next 4 bytes are long addend. */ | |
2191 | /* Thanx and a tip of the hat to Michael Bloom, mb@ttidca.tti.com */ | |
680227f3 | 2192 | void |
355afbcd | 2193 | tc_aout_fix_to_chars (where, fixP, segment_address_in_file) |
680227f3 KR |
2194 | char *where; |
2195 | fixS *fixP; | |
2196 | relax_addressT segment_address_in_file; | |
fecd2382 | 2197 | { |
355afbcd KR |
2198 | long r_index; |
2199 | long r_extern; | |
2200 | long r_addend = 0; | |
2201 | long r_address; | |
2202 | ||
2203 | know (fixP->fx_addsy); | |
2204 | ||
2205 | if (!S_IS_DEFINED (fixP->fx_addsy)) | |
2206 | { | |
2207 | r_extern = 1; | |
2208 | r_index = fixP->fx_addsy->sy_number; | |
2209 | } | |
2210 | else | |
2211 | { | |
2212 | r_extern = 0; | |
2213 | r_index = S_GET_TYPE (fixP->fx_addsy); | |
2214 | } | |
2215 | ||
2216 | /* this is easy */ | |
2217 | md_number_to_chars (where, | |
2218 | r_address = fixP->fx_frag->fr_address + fixP->fx_where - segment_address_in_file, | |
2219 | 4); | |
2220 | ||
2221 | /* now the fun stuff */ | |
2222 | where[4] = (r_index >> 16) & 0x0ff; | |
2223 | where[5] = (r_index >> 8) & 0x0ff; | |
2224 | where[6] = r_index & 0x0ff; | |
2225 | where[7] = ((r_extern << 7) & 0x80) | (0 & 0x60) | (fixP->fx_r_type & 0x1F); | |
2226 | ||
2227 | /* Also easy */ | |
2228 | if (fixP->fx_addsy->sy_frag) | |
2229 | { | |
2230 | r_addend = fixP->fx_addsy->sy_frag->fr_address; | |
2231 | } | |
2232 | ||
2233 | if (fixP->fx_pcrel) | |
2234 | { | |
2235 | r_addend += fixP->fx_offset - r_address; | |
2236 | } | |
2237 | else | |
2238 | { | |
2239 | r_addend = fixP->fx_addnumber; | |
2240 | } | |
2241 | ||
2242 | md_number_to_chars (&where[8], r_addend, 4); | |
2243 | ||
2244 | return; | |
2245 | } /* tc_aout_fix_to_chars() */ | |
428d312b | 2246 | #endif |
fecd2382 RP |
2247 | |
2248 | /* should never be called for sparc */ | |
355afbcd KR |
2249 | void |
2250 | md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol) | |
2251 | char *ptr; | |
125f0b0d | 2252 | addressT from_addr, to_addr; |
355afbcd KR |
2253 | fragS *frag; |
2254 | symbolS *to_symbol; | |
fecd2382 | 2255 | { |
355afbcd KR |
2256 | as_fatal ("sparc_create_long_jump\n"); |
2257 | } /* md_create_long_jump() */ | |
fecd2382 RP |
2258 | |
2259 | /* should never be called for sparc */ | |
355afbcd KR |
2260 | int |
2261 | md_estimate_size_before_relax (fragP, segtype) | |
2262 | fragS *fragP; | |
2263 | segT segtype; | |
fecd2382 | 2264 | { |
355afbcd KR |
2265 | as_fatal ("sparc_estimate_size_before_relax\n"); |
2266 | return (1); | |
2267 | } /* md_estimate_size_before_relax() */ | |
fecd2382 RP |
2268 | |
2269 | #if 0 | |
2270 | /* for debugging only */ | |
355afbcd KR |
2271 | static void |
2272 | print_insn (insn) | |
2273 | struct sparc_it *insn; | |
fecd2382 | 2274 | { |
355afbcd KR |
2275 | char *Reloc[] = |
2276 | { | |
2277 | "RELOC_8", | |
2278 | "RELOC_16", | |
2279 | "RELOC_32", | |
2280 | "RELOC_DISP8", | |
2281 | "RELOC_DISP16", | |
2282 | "RELOC_DISP32", | |
2283 | "RELOC_WDISP30", | |
2284 | "RELOC_WDISP22", | |
2285 | "RELOC_HI22", | |
2286 | "RELOC_22", | |
2287 | "RELOC_13", | |
2288 | "RELOC_LO10", | |
2289 | "RELOC_SFA_BASE", | |
2290 | "RELOC_SFA_OFF13", | |
2291 | "RELOC_BASE10", | |
2292 | "RELOC_BASE13", | |
2293 | "RELOC_BASE22", | |
2294 | "RELOC_PC10", | |
2295 | "RELOC_PC22", | |
2296 | "RELOC_JMP_TBL", | |
2297 | "RELOC_SEGOFF16", | |
2298 | "RELOC_GLOB_DAT", | |
2299 | "RELOC_JMP_SLOT", | |
2300 | "RELOC_RELATIVE", | |
2301 | "NO_RELOC" | |
2302 | }; | |
2303 | ||
2304 | if (insn->error) | |
2305 | { | |
2306 | fprintf (stderr, "ERROR: %s\n"); | |
2307 | } | |
2308 | fprintf (stderr, "opcode=0x%08x\n", insn->opcode); | |
2309 | fprintf (stderr, "reloc = %s\n", Reloc[insn->reloc]); | |
2310 | fprintf (stderr, "exp = {\n"); | |
2311 | fprintf (stderr, "\t\tX_add_symbol = %s\n", | |
2312 | ((insn->exp.X_add_symbol != NULL) | |
2313 | ? ((S_GET_NAME (insn->exp.X_add_symbol) != NULL) | |
2314 | ? S_GET_NAME (insn->exp.X_add_symbol) | |
2315 | : "???") | |
2316 | : "0")); | |
2317 | fprintf (stderr, "\t\tX_sub_symbol = %s\n", | |
5ac34ac3 ILT |
2318 | ((insn->exp.X_op_symbol != NULL) |
2319 | ? (S_GET_NAME (insn->exp.X_op_symbol) | |
2320 | ? S_GET_NAME (insn->exp.X_op_symbol) | |
355afbcd KR |
2321 | : "???") |
2322 | : "0")); | |
2323 | fprintf (stderr, "\t\tX_add_number = %d\n", | |
2324 | insn->exp.X_add_number); | |
2325 | fprintf (stderr, "}\n"); | |
2326 | return; | |
2327 | } /* print_insn() */ | |
2328 | ||
fecd2382 RP |
2329 | #endif |
2330 | ||
839df5c3 RP |
2331 | /* |
2332 | * md_parse_option | |
2333 | * Invocation line includes a switch not recognized by the base assembler. | |
2334 | * See if it's a processor-specific option. These are: | |
2335 | * | |
2336 | * -bump | |
2337 | * Warn on architecture bumps. See also -A. | |
2338 | * | |
680227f3 | 2339 | * -Av6, -Av7, -Av8, -Asparclite |
839df5c3 RP |
2340 | * Select the architecture. Instructions or features not |
2341 | * supported by the selected architecture cause fatal errors. | |
2342 | * | |
2343 | * The default is to start at v6, and bump the architecture up | |
2344 | * whenever an instruction is seen at a higher level. | |
2345 | * | |
2346 | * If -bump is specified, a warning is printing when bumping to | |
2347 | * higher levels. | |
2348 | * | |
2349 | * If an architecture is specified, all instructions must match | |
2350 | * that architecture. Any higher level instructions are flagged | |
355afbcd | 2351 | * as errors. |
839df5c3 RP |
2352 | * |
2353 | * if both an architecture and -bump are specified, the | |
2354 | * architecture starts at the specified level, but bumps are | |
2355 | * warnings. | |
2356 | * | |
680227f3 | 2357 | * start-sanitize-v9 |
162e3485 KR |
2358 | * -Av9 |
2359 | * Another architecture switch. | |
2360 | * | |
2361 | * Note: | |
680227f3 KR |
2362 | * Bumping between incompatible architectures is always an |
2363 | * error. For example, from sparclite to v9. | |
2364 | * end-sanitize-v9 | |
839df5c3 | 2365 | */ |
162e3485 | 2366 | |
355afbcd KR |
2367 | int |
2368 | md_parse_option (argP, cntP, vecP) | |
2369 | char **argP; | |
2370 | int *cntP; | |
2371 | char ***vecP; | |
fecd2382 | 2372 | { |
355afbcd KR |
2373 | char *p; |
2374 | const char **arch; | |
2375 | ||
2376 | if (!strcmp (*argP, "bump")) | |
2377 | { | |
2378 | warn_on_bump = 1; | |
2379 | ||
2380 | } | |
2381 | else if (**argP == 'A') | |
2382 | { | |
2383 | p = (*argP) + 1; | |
2384 | ||
2385 | for (arch = architecture_pname; *arch != NULL; ++arch) | |
2386 | { | |
2387 | if (strcmp (p, *arch) == 0) | |
2388 | { | |
2389 | break; | |
2390 | } /* found a match */ | |
2391 | } /* walk the pname table */ | |
2392 | ||
2393 | if (*arch == NULL) | |
2394 | { | |
2395 | as_bad ("unknown architecture: %s", p); | |
2396 | } | |
2397 | else | |
2398 | { | |
2399 | current_architecture = (enum sparc_architecture) (arch - architecture_pname); | |
2400 | architecture_requested = 1; | |
839df5c3 | 2401 | } |
355afbcd | 2402 | } |
ed9638af KR |
2403 | #ifdef OBJ_ELF |
2404 | else if (**argP == 'V') | |
2405 | { | |
2406 | extern void print_version_id (); | |
2407 | print_version_id (); | |
2408 | } | |
2409 | else if (**argP == 'Q') | |
2410 | { | |
2411 | /* Qy - do emit .comment | |
2412 | Qn - do not emit .comment */ | |
2413 | } | |
2414 | else if (**argP == 's') | |
2415 | { | |
2416 | /* use .stab instead of .stab.excl */ | |
2417 | } | |
2418 | #endif | |
355afbcd KR |
2419 | else |
2420 | { | |
2421 | /* Unknown option */ | |
2422 | (*argP)++; | |
2423 | return 0; | |
2424 | } | |
2425 | **argP = '\0'; /* Done parsing this switch */ | |
2426 | return 1; | |
2427 | } /* md_parse_option() */ | |
fecd2382 RP |
2428 | |
2429 | /* We have no need to default values of symbols. */ | |
2430 | ||
2431 | /* ARGSUSED */ | |
355afbcd KR |
2432 | symbolS * |
2433 | md_undefined_symbol (name) | |
2434 | char *name; | |
fecd2382 | 2435 | { |
355afbcd KR |
2436 | return 0; |
2437 | } /* md_undefined_symbol() */ | |
fecd2382 RP |
2438 | |
2439 | /* Parse an operand that is machine-specific. | |
2440 | We just return without modifying the expression if we have nothing | |
2441 | to do. */ | |
2442 | ||
2443 | /* ARGSUSED */ | |
355afbcd KR |
2444 | void |
2445 | md_operand (expressionP) | |
2446 | expressionS *expressionP; | |
fecd2382 | 2447 | { |
428d312b | 2448 | } |
fecd2382 RP |
2449 | |
2450 | /* Round up a section size to the appropriate boundary. */ | |
125f0b0d | 2451 | valueT |
355afbcd KR |
2452 | md_section_align (segment, size) |
2453 | segT segment; | |
125f0b0d | 2454 | valueT size; |
fecd2382 | 2455 | { |
428d312b KR |
2456 | /* Round all sects to multiple of 8 */ |
2457 | return (size + 7) & ~7; | |
2458 | } | |
fecd2382 RP |
2459 | |
2460 | /* Exactly what point is a PC-relative offset relative TO? | |
2461 | On the sparc, they're relative to the address of the offset, plus | |
2462 | its size. This gets us to the following instruction. | |
2463 | (??? Is this right? FIXME-SOON) */ | |
355afbcd KR |
2464 | long |
2465 | md_pcrel_from (fixP) | |
2466 | fixS *fixP; | |
fecd2382 | 2467 | { |
355afbcd | 2468 | return fixP->fx_size + fixP->fx_where + fixP->fx_frag->fr_address; |
428d312b | 2469 | } |
fecd2382 | 2470 | |
428d312b | 2471 | #ifndef BFD_ASSEMBLER |
355afbcd KR |
2472 | void |
2473 | tc_aout_pre_write_hook (headers) | |
2474 | object_headers *headers; | |
584a0f78 | 2475 | { |
355afbcd | 2476 | H_SET_VERSION (headers, 1); |
428d312b KR |
2477 | } |
2478 | #endif | |
584a0f78 | 2479 | |
8b228fe9 | 2480 | /* end of tc-sparc.c */ |