Commit | Line | Data |
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fecd2382 | 1 | /* coff object file format |
055a75ef KR |
2 | Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994 |
3 | Free Software Foundation, Inc. | |
355afbcd | 4 | |
a39116f1 | 5 | This file is part of GAS. |
355afbcd | 6 | |
a39116f1 RP |
7 | GAS is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
355afbcd | 11 | |
a39116f1 RP |
12 | GAS is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
355afbcd | 16 | |
a39116f1 RP |
17 | You should have received a copy of the GNU General Public License |
18 | along with GAS; see the file COPYING. If not, write to | |
a2a5a4fa | 19 | the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
fecd2382 | 20 | |
fecd2382 | 21 | #include "as.h" |
fecd2382 | 22 | #include "obstack.h" |
8fb85d50 | 23 | #include "subsegs.h" |
fecd2382 | 24 | |
460a34e8 KR |
25 | /* I think this is probably always correct. */ |
26 | #ifndef KEEP_RELOC_INFO | |
27 | #define KEEP_RELOC_INFO | |
28 | #endif | |
29 | ||
e5c5ce23 SC |
30 | |
31 | /* structure used to keep the filenames which | |
32 | are too long around so that we can stick them | |
33 | into the string table */ | |
34 | struct filename_list | |
35 | { | |
36 | char *filename; | |
37 | struct filename_list *next; | |
38 | }; | |
39 | ||
40 | static struct filename_list *filename_list_head; | |
41 | static struct filename_list *filename_list_tail; | |
42 | ||
8fb85d50 | 43 | const char *s_get_name PARAMS ((symbolS * s)); |
355afbcd | 44 | static symbolS *def_symbol_in_progress; |
fecd2382 | 45 | |
8fb85d50 KR |
46 | \f |
47 | /* stack stuff */ | |
48 | typedef struct | |
49 | { | |
50 | unsigned long chunk_size; | |
51 | unsigned long element_size; | |
52 | unsigned long size; | |
53 | char *data; | |
54 | unsigned long pointer; | |
55 | } | |
56 | stack; | |
57 | ||
58 | static stack * | |
59 | stack_init (chunk_size, element_size) | |
60 | unsigned long chunk_size; | |
61 | unsigned long element_size; | |
62 | { | |
63 | stack *st; | |
64 | ||
65 | st = (stack *) malloc (sizeof (stack)); | |
66 | if (!st) | |
67 | return 0; | |
68 | st->data = malloc (chunk_size); | |
69 | if (!st->data) | |
70 | { | |
71 | free (st); | |
72 | return 0; | |
73 | } | |
74 | st->pointer = 0; | |
75 | st->size = chunk_size; | |
76 | st->chunk_size = chunk_size; | |
77 | st->element_size = element_size; | |
78 | return st; | |
79 | } | |
80 | ||
eb4fd16f ILT |
81 | #if 0 |
82 | /* Not currently used. */ | |
8fb85d50 KR |
83 | static void |
84 | stack_delete (st) | |
85 | stack *st; | |
86 | { | |
87 | free (st->data); | |
88 | free (st); | |
89 | } | |
eb4fd16f | 90 | #endif |
8fb85d50 KR |
91 | |
92 | static char * | |
93 | stack_push (st, element) | |
94 | stack *st; | |
95 | char *element; | |
96 | { | |
97 | if (st->pointer + st->element_size >= st->size) | |
98 | { | |
99 | st->size += st->chunk_size; | |
100 | if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) | |
101 | return (char *) 0; | |
102 | } | |
103 | memcpy (st->data + st->pointer, element, st->element_size); | |
104 | st->pointer += st->element_size; | |
105 | return st->data + st->pointer; | |
106 | } | |
107 | ||
108 | static char * | |
109 | stack_pop (st) | |
110 | stack *st; | |
111 | { | |
112 | if (st->pointer < st->element_size) | |
113 | { | |
114 | st->pointer = 0; | |
115 | return (char *) 0; | |
116 | } | |
117 | st->pointer -= st->element_size; | |
118 | return st->data + st->pointer; | |
119 | } | |
120 | \f | |
121 | /* | |
122 | * Maintain a list of the tagnames of the structres. | |
123 | */ | |
124 | ||
eb4fd16f ILT |
125 | static struct hash_control *tag_hash; |
126 | ||
8fb85d50 KR |
127 | static void |
128 | tag_init () | |
129 | { | |
130 | tag_hash = hash_new (); | |
131 | } | |
132 | ||
133 | static void | |
134 | tag_insert (name, symbolP) | |
135 | const char *name; | |
136 | symbolS *symbolP; | |
137 | { | |
138 | const char *error_string; | |
139 | ||
140 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
141 | { | |
142 | as_fatal ("Inserting \"%s\" into structure table failed: %s", | |
143 | name, error_string); | |
144 | } | |
145 | } | |
fecd2382 | 146 | |
eb4fd16f ILT |
147 | static symbolS * |
148 | tag_find (name) | |
149 | char *name; | |
150 | { | |
151 | #ifdef STRIP_UNDERSCORE | |
152 | if (*name == '_') | |
153 | name++; | |
154 | #endif /* STRIP_UNDERSCORE */ | |
155 | return (symbolS *) hash_find (tag_hash, name); | |
156 | } | |
157 | ||
8fb85d50 KR |
158 | static symbolS * |
159 | tag_find_or_make (name) | |
160 | char *name; | |
161 | { | |
162 | symbolS *symbolP; | |
163 | ||
164 | if ((symbolP = tag_find (name)) == NULL) | |
165 | { | |
166 | symbolP = symbol_new (name, undefined_section, | |
167 | 0, &zero_address_frag); | |
168 | ||
169 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
eb4fd16f | 170 | #ifdef BFD_ASSEMBLER |
8fb85d50 | 171 | symbol_table_insert (symbolP); |
eb4fd16f | 172 | #endif |
8fb85d50 KR |
173 | } /* not found */ |
174 | ||
175 | return symbolP; | |
176 | } | |
177 | ||
eb4fd16f ILT |
178 | |
179 | ||
180 | #ifdef BFD_ASSEMBLER | |
181 | ||
182 | static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *)); | |
183 | ||
85051959 ILT |
184 | #define GET_FILENAME_STRING(X) \ |
185 | ((char*)(&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) | |
fecd2382 | 186 | |
85051959 ILT |
187 | /* @@ Ick. */ |
188 | static segT | |
189 | fetch_coff_debug_section () | |
190 | { | |
191 | static segT debug_section; | |
192 | if (!debug_section) | |
193 | { | |
194 | CONST asymbol *s; | |
195 | s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0); | |
196 | assert (s != 0); | |
197 | debug_section = s->section; | |
198 | } | |
199 | return debug_section; | |
200 | } | |
201 | ||
055a75ef | 202 | void |
85051959 ILT |
203 | SA_SET_SYM_ENDNDX (sym, val) |
204 | symbolS *sym; | |
205 | symbolS *val; | |
206 | { | |
207 | combined_entry_type *entry, *p; | |
208 | ||
209 | entry = &coffsymbol (sym->bsym)->native[1]; | |
210 | p = coffsymbol (val->bsym)->native; | |
211 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; | |
212 | entry->fix_end = 1; | |
213 | } | |
214 | ||
215 | static void | |
216 | SA_SET_SYM_TAGNDX (sym, val) | |
217 | symbolS *sym; | |
218 | symbolS *val; | |
219 | { | |
220 | combined_entry_type *entry, *p; | |
221 | ||
222 | entry = &coffsymbol (sym->bsym)->native[1]; | |
223 | p = coffsymbol (val->bsym)->native; | |
224 | entry->u.auxent.x_sym.x_tagndx.p = p; | |
225 | entry->fix_tag = 1; | |
226 | } | |
227 | ||
98c6bbbe KR |
228 | static int |
229 | S_GET_DATA_TYPE (sym) | |
230 | symbolS *sym; | |
231 | { | |
232 | return coffsymbol (sym->bsym)->native->u.syment.n_type; | |
233 | } | |
234 | ||
055a75ef | 235 | int |
98c6bbbe KR |
236 | S_SET_DATA_TYPE (sym, val) |
237 | symbolS *sym; | |
238 | int val; | |
239 | { | |
240 | coffsymbol (sym->bsym)->native->u.syment.n_type = val; | |
241 | return val; | |
242 | } | |
243 | ||
244 | int | |
245 | S_GET_STORAGE_CLASS (sym) | |
246 | symbolS *sym; | |
247 | { | |
248 | return coffsymbol (sym->bsym)->native->u.syment.n_sclass; | |
249 | } | |
250 | ||
251 | int | |
252 | S_SET_STORAGE_CLASS (sym, val) | |
253 | symbolS *sym; | |
254 | int val; | |
255 | { | |
256 | coffsymbol (sym->bsym)->native->u.syment.n_sclass = val; | |
257 | return val; | |
258 | } | |
259 | ||
fecd2382 RP |
260 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
261 | ||
355afbcd KR |
262 | void |
263 | c_symbol_merge (debug, normal) | |
264 | symbolS *debug; | |
265 | symbolS *normal; | |
fecd2382 | 266 | { |
355afbcd KR |
267 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); |
268 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
269 | ||
270 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
85051959 ILT |
271 | /* take the most we have */ |
272 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
355afbcd KR |
273 | |
274 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
275 | { | |
85051959 | 276 | /* Move all the auxiliary information. */ |
85051959 ILT |
277 | /* @@ How many fields do we want to preserve? Would it make more |
278 | sense to pick and choose those we want to copy? Should look | |
279 | into this further.... [raeburn:19920512.2209EST] */ | |
280 | alent *linenos; | |
281 | linenos = coffsymbol (normal->bsym)->lineno; | |
282 | memcpy ((char *) &coffsymbol (normal->bsym)->native, | |
283 | (char *) &coffsymbol (debug->bsym)->native, | |
284 | S_GET_NUMBER_AUXILIARY(debug) * AUXESZ); | |
285 | coffsymbol (normal->bsym)->lineno = linenos; | |
85051959 | 286 | } |
355afbcd KR |
287 | |
288 | /* Move the debug flags. */ | |
289 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
98c6bbbe | 290 | } |
fecd2382 | 291 | |
85051959 | 292 | static symbolS *previous_file_symbol; |
355afbcd KR |
293 | void |
294 | c_dot_file_symbol (filename) | |
295 | char *filename; | |
fecd2382 | 296 | { |
355afbcd KR |
297 | symbolS *symbolP; |
298 | ||
4325bcb9 | 299 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
355afbcd KR |
300 | |
301 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
302 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
85051959 | 303 | |
85051959 | 304 | symbolP->bsym->flags = BSF_DEBUGGING; |
355afbcd KR |
305 | |
306 | #ifndef NO_LISTING | |
307 | { | |
308 | extern int listing; | |
309 | if (listing) | |
310 | { | |
311 | listing_source_file (filename); | |
312 | } | |
313 | } | |
314 | #endif | |
315 | ||
355afbcd KR |
316 | S_SET_VALUE (symbolP, (long) previous_file_symbol); |
317 | ||
318 | previous_file_symbol = symbolP; | |
319 | ||
320 | /* Make sure that the symbol is first on the symbol chain */ | |
321 | if (symbol_rootP != symbolP) | |
322 | { | |
323 | if (symbolP == symbol_lastP) | |
324 | { | |
325 | symbol_lastP = symbol_lastP->sy_previous; | |
326 | } /* if it was the last thing on the list */ | |
327 | ||
328 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
329 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
330 | symbol_rootP = symbolP; | |
331 | } /* if not first on the list */ | |
85051959 | 332 | } |
355afbcd | 333 | |
fecd2382 RP |
334 | /* |
335 | * Build a 'section static' symbol. | |
336 | */ | |
337 | ||
355afbcd KR |
338 | char * |
339 | c_section_symbol (name, value, length, nreloc, nlnno) | |
340 | char *name; | |
341 | long value; | |
342 | long length; | |
343 | unsigned short nreloc; | |
344 | unsigned short nlnno; | |
fecd2382 | 345 | { |
355afbcd KR |
346 | symbolS *symbolP; |
347 | ||
348 | symbolP = symbol_new (name, | |
349 | (name[1] == 't' | |
85051959 ILT |
350 | ? text_section |
351 | : name[1] == 'd' | |
352 | ? data_section | |
353 | : bss_section), | |
355afbcd KR |
354 | value, |
355 | &zero_address_frag); | |
356 | ||
357 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
358 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
359 | ||
360 | SA_SET_SCN_SCNLEN (symbolP, length); | |
361 | SA_SET_SCN_NRELOC (symbolP, nreloc); | |
362 | SA_SET_SCN_NLINNO (symbolP, nlnno); | |
363 | ||
364 | SF_SET_STATICS (symbolP); | |
365 | ||
366 | return (char *) symbolP; | |
98c6bbbe | 367 | } |
355afbcd | 368 | |
fecd2382 RP |
369 | /* Line number handling */ |
370 | ||
4325bcb9 KR |
371 | struct line_no { |
372 | struct line_no *next; | |
373 | fragS *frag; | |
374 | alent l; | |
375 | }; | |
376 | ||
257df791 | 377 | int coff_line_base; |
98c6bbbe | 378 | |
85051959 | 379 | /* Symbol of last function, which we should hang line#s off of. */ |
98c6bbbe KR |
380 | static symbolS *line_fsym; |
381 | ||
382 | #define in_function() (line_fsym != 0) | |
383 | #define clear_function() (line_fsym = 0) | |
257df791 | 384 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) |
85051959 | 385 | |
98c6bbbe | 386 | \f |
355afbcd KR |
387 | void |
388 | obj_symbol_new_hook (symbolP) | |
389 | symbolS *symbolP; | |
fecd2382 | 390 | { |
355afbcd KR |
391 | char underscore = 0; /* Symbol has leading _ */ |
392 | ||
85051959 ILT |
393 | { |
394 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
395 | char *s = (char *) bfd_alloc_by_size_t (stdoutput, sz); | |
396 | memset (s, 0, sz); | |
397 | coffsymbol (symbolP->bsym)->native = (combined_entry_type *) s; | |
398 | } | |
85051959 ILT |
399 | S_SET_DATA_TYPE (symbolP, T_NULL); |
400 | S_SET_STORAGE_CLASS (symbolP, 0); | |
401 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
355afbcd | 402 | |
355afbcd KR |
403 | if (S_IS_STRING (symbolP)) |
404 | SF_SET_STRING (symbolP); | |
405 | if (!underscore && S_IS_LOCAL (symbolP)) | |
406 | SF_SET_LOCAL (symbolP); | |
85051959 | 407 | } |
fecd2382 | 408 | |
98c6bbbe | 409 | \f |
fecd2382 RP |
410 | /* |
411 | * Handle .ln directives. | |
412 | */ | |
413 | ||
85051959 ILT |
414 | static symbolS *current_lineno_sym; |
415 | static struct line_no *line_nos; | |
4325bcb9 | 416 | /* @@ Blindly assume all .ln directives will be in the .text section... */ |
7ab1edc8 | 417 | int coff_n_line_nos; |
85051959 ILT |
418 | |
419 | static void | |
420 | add_lineno (frag, offset, num) | |
421 | fragS *frag; | |
422 | int offset; | |
423 | int num; | |
424 | { | |
425 | struct line_no *new_line = (struct line_no *) bfd_alloc_by_size_t (stdoutput, | |
426 | sizeof (struct line_no)); | |
427 | if (!current_lineno_sym) | |
428 | { | |
429 | abort (); | |
430 | } | |
431 | new_line->next = line_nos; | |
432 | new_line->frag = frag; | |
433 | new_line->l.line_number = num; | |
434 | new_line->l.u.offset = offset; | |
435 | line_nos = new_line; | |
7ab1edc8 | 436 | coff_n_line_nos++; |
85051959 ILT |
437 | } |
438 | ||
257df791 ILT |
439 | void |
440 | coff_add_linesym (sym) | |
85051959 ILT |
441 | symbolS *sym; |
442 | { | |
443 | if (line_nos) | |
444 | { | |
85051959 | 445 | coffsymbol (current_lineno_sym->bsym)->lineno = (alent *) line_nos; |
7ab1edc8 | 446 | coff_n_line_nos++; |
85051959 ILT |
447 | line_nos = 0; |
448 | } | |
449 | current_lineno_sym = sym; | |
450 | } | |
85051959 | 451 | |
355afbcd | 452 | static void |
85051959 ILT |
453 | obj_coff_ln (appline) |
454 | int appline; | |
355afbcd KR |
455 | { |
456 | int l; | |
85051959 ILT |
457 | |
458 | if (! appline && def_symbol_in_progress != NULL) | |
355afbcd KR |
459 | { |
460 | as_warn (".ln pseudo-op inside .def/.endef: ignored."); | |
461 | demand_empty_rest_of_line (); | |
462 | return; | |
85051959 | 463 | } |
355afbcd | 464 | |
85051959 | 465 | l = get_absolute_expression (); |
98c6bbbe KR |
466 | if (!appline) |
467 | { | |
98c6bbbe | 468 | add_lineno (frag_now, frag_now_fix (), l); |
98c6bbbe | 469 | } |
355afbcd KR |
470 | |
471 | #ifndef NO_LISTING | |
472 | { | |
473 | extern int listing; | |
474 | ||
475 | if (listing) | |
476 | { | |
85051959 | 477 | if (! appline) |
257df791 | 478 | l += coff_line_base - 1; |
85051959 | 479 | listing_source_line (l); |
355afbcd KR |
480 | } |
481 | } | |
482 | #endif | |
483 | ||
484 | demand_empty_rest_of_line (); | |
98c6bbbe | 485 | } |
fecd2382 RP |
486 | |
487 | /* | |
488 | * def() | |
489 | * | |
490 | * Handle .def directives. | |
491 | * | |
492 | * One might ask : why can't we symbol_new if the symbol does not | |
493 | * already exist and fill it with debug information. Because of | |
494 | * the C_EFCN special symbol. It would clobber the value of the | |
495 | * function symbol before we have a chance to notice that it is | |
496 | * a C_EFCN. And a second reason is that the code is more clear this | |
497 | * way. (at least I think it is :-). | |
498 | * | |
499 | */ | |
500 | ||
501 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
502 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a39116f1 RP |
503 | *input_line_pointer == '\t') \ |
504 | input_line_pointer++; | |
fecd2382 | 505 | |
355afbcd KR |
506 | static void |
507 | obj_coff_def (what) | |
508 | int what; | |
fecd2382 | 509 | { |
355afbcd KR |
510 | char name_end; /* Char after the end of name */ |
511 | char *symbol_name; /* Name of the debug symbol */ | |
512 | char *symbol_name_copy; /* Temporary copy of the name */ | |
513 | unsigned int symbol_name_length; | |
355afbcd KR |
514 | |
515 | if (def_symbol_in_progress != NULL) | |
516 | { | |
517 | as_warn (".def pseudo-op used inside of .def/.endef: ignored."); | |
518 | demand_empty_rest_of_line (); | |
519 | return; | |
520 | } /* if not inside .def/.endef */ | |
521 | ||
522 | SKIP_WHITESPACES (); | |
523 | ||
355afbcd | 524 | symbol_name = input_line_pointer; |
85051959 ILT |
525 | #ifdef STRIP_UNDERSCORE |
526 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
527 | symbol_name++; | |
528 | #endif /* STRIP_UNDERSCORE */ | |
529 | ||
355afbcd KR |
530 | name_end = get_symbol_end (); |
531 | symbol_name_length = strlen (symbol_name); | |
532 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
533 | strcpy (symbol_name_copy, symbol_name); | |
534 | ||
535 | /* Initialize the new symbol */ | |
85051959 | 536 | def_symbol_in_progress = symbol_make (symbol_name_copy); |
355afbcd | 537 | def_symbol_in_progress->sy_frag = &zero_address_frag; |
98c6bbbe | 538 | S_SET_VALUE (def_symbol_in_progress, 0); |
355afbcd KR |
539 | |
540 | if (S_IS_STRING (def_symbol_in_progress)) | |
85051959 | 541 | SF_SET_STRING (def_symbol_in_progress); |
355afbcd KR |
542 | |
543 | *input_line_pointer = name_end; | |
544 | ||
545 | demand_empty_rest_of_line (); | |
85051959 | 546 | } |
fecd2382 RP |
547 | |
548 | unsigned int dim_index; | |
1f029792 | 549 | |
355afbcd | 550 | static void |
8fb85d50 KR |
551 | obj_coff_endef (ignore) |
552 | int ignore; | |
355afbcd KR |
553 | { |
554 | symbolS *symbolP; | |
555 | /* DIM BUG FIX sac@cygnus.com */ | |
556 | dim_index = 0; | |
557 | if (def_symbol_in_progress == NULL) | |
558 | { | |
559 | as_warn (".endef pseudo-op used outside of .def/.endef: ignored."); | |
560 | demand_empty_rest_of_line (); | |
561 | return; | |
562 | } /* if not inside .def/.endef */ | |
563 | ||
564 | /* Set the section number according to storage class. */ | |
565 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) | |
566 | { | |
567 | case C_STRTAG: | |
568 | case C_ENTAG: | |
569 | case C_UNTAG: | |
570 | SF_SET_TAG (def_symbol_in_progress); | |
571 | /* intentional fallthrough */ | |
572 | case C_FILE: | |
573 | case C_TPDEF: | |
574 | SF_SET_DEBUG (def_symbol_in_progress); | |
85051959 | 575 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); |
355afbcd KR |
576 | break; |
577 | ||
578 | case C_EFCN: | |
579 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ | |
580 | /* intentional fallthrough */ | |
581 | case C_BLOCK: | |
582 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
583 | /* intentional fallthrough */ | |
584 | case C_FCN: | |
85051959 ILT |
585 | { |
586 | CONST char *name; | |
587 | S_SET_SEGMENT (def_symbol_in_progress, text_section); | |
355afbcd | 588 | |
85051959 | 589 | name = bfd_asymbol_name (def_symbol_in_progress->bsym); |
85051959 ILT |
590 | if (name[1] == 'b' && name[2] == 'f') |
591 | { | |
98c6bbbe | 592 | if (! in_function ()) |
85051959 | 593 | as_warn ("`%s' symbol without preceding function", name); |
98c6bbbe | 594 | /* SA_SET_SYM_LNNO (def_symbol_in_progress, 12345);*/ |
85051959 ILT |
595 | /* Will need relocating */ |
596 | SF_SET_PROCESS (def_symbol_in_progress); | |
98c6bbbe | 597 | clear_function (); |
85051959 ILT |
598 | } |
599 | } | |
355afbcd KR |
600 | break; |
601 | ||
fecd2382 | 602 | #ifdef C_AUTOARG |
355afbcd | 603 | case C_AUTOARG: |
fecd2382 | 604 | #endif /* C_AUTOARG */ |
355afbcd KR |
605 | case C_AUTO: |
606 | case C_REG: | |
607 | case C_MOS: | |
608 | case C_MOE: | |
609 | case C_MOU: | |
610 | case C_ARG: | |
611 | case C_REGPARM: | |
612 | case C_FIELD: | |
613 | case C_EOS: | |
614 | SF_SET_DEBUG (def_symbol_in_progress); | |
85051959 | 615 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
355afbcd KR |
616 | break; |
617 | ||
618 | case C_EXT: | |
619 | case C_STAT: | |
620 | case C_LABEL: | |
621 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
622 | break; | |
623 | ||
624 | case C_USTATIC: | |
625 | case C_EXTDEF: | |
626 | case C_ULABEL: | |
85051959 ILT |
627 | as_warn ("unexpected storage class %d", |
628 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
355afbcd KR |
629 | break; |
630 | } /* switch on storage class */ | |
631 | ||
85051959 ILT |
632 | /* Now that we have built a debug symbol, try to find if we should |
633 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
634 | SEG_ABSOLUTE or untagged SEG_DEBUG it never merges. */ | |
635 | ||
636 | /* Two cases for functions. Either debug followed by definition or | |
637 | definition followed by debug. For definition first, we will | |
638 | merge the debug symbol into the definition. For debug first, the | |
639 | lineno entry MUST point to the definition function or else it | |
640 | will point off into space when obj_crawl_symbol_chain() merges | |
641 | the debug symbol into the real symbol. Therefor, let's presume | |
642 | the debug symbol is a real function reference. */ | |
643 | ||
644 | /* FIXME-SOON If for some reason the definition label/symbol is | |
645 | never seen, this will probably leave an undefined symbol at link | |
646 | time. */ | |
355afbcd KR |
647 | |
648 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
85051959 ILT |
649 | || (!strcmp (bfd_get_section_name (stdoutput, |
650 | S_GET_SEGMENT (def_symbol_in_progress)), | |
651 | "*DEBUG*") | |
652 | && !SF_GET_TAG (def_symbol_in_progress)) | |
85051959 | 653 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section |
355afbcd KR |
654 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL) |
655 | { | |
85051959 ILT |
656 | if (def_symbol_in_progress != symbol_lastP) |
657 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
658 | &symbol_lastP); | |
355afbcd KR |
659 | } |
660 | else | |
661 | { | |
85051959 ILT |
662 | /* This symbol already exists, merge the newly created symbol |
663 | into the old one. This is not mandatory. The linker can | |
664 | handle duplicate symbols correctly. But I guess that it save | |
665 | a *lot* of space if the assembly file defines a lot of | |
666 | symbols. [loic] */ | |
355afbcd | 667 | |
85051959 ILT |
668 | /* The debug entry (def_symbol_in_progress) is merged into the |
669 | previous definition. */ | |
355afbcd KR |
670 | |
671 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
672 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ | |
673 | def_symbol_in_progress = symbolP; | |
674 | ||
675 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
676 | || SF_GET_TAG (def_symbol_in_progress)) | |
677 | { | |
85051959 ILT |
678 | /* For functions, and tags, the symbol *must* be where the |
679 | debug symbol appears. Move the existing symbol to the | |
680 | current place. */ | |
355afbcd KR |
681 | /* If it already is at the end of the symbol list, do nothing */ |
682 | if (def_symbol_in_progress != symbol_lastP) | |
683 | { | |
684 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
685 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
85051959 ILT |
686 | } |
687 | } | |
688 | } | |
355afbcd KR |
689 | |
690 | if (SF_GET_TAG (def_symbol_in_progress) | |
691 | && symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP) == NULL) | |
692 | { | |
693 | tag_insert (S_GET_NAME (def_symbol_in_progress), def_symbol_in_progress); | |
85051959 | 694 | } |
355afbcd KR |
695 | |
696 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
697 | { | |
698 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
98c6bbbe | 699 | set_function (def_symbol_in_progress); |
355afbcd KR |
700 | SF_SET_PROCESS (def_symbol_in_progress); |
701 | ||
702 | if (symbolP == NULL) | |
703 | { | |
85051959 ILT |
704 | /* That is, if this is the first time we've seen the |
705 | function... */ | |
355afbcd | 706 | symbol_table_insert (def_symbol_in_progress); |
98c6bbbe KR |
707 | } /* definition follows debug */ |
708 | } /* Create the line number entry pointing to the function being defined */ | |
355afbcd KR |
709 | |
710 | def_symbol_in_progress = NULL; | |
711 | demand_empty_rest_of_line (); | |
85051959 | 712 | } |
355afbcd KR |
713 | |
714 | static void | |
8fb85d50 KR |
715 | obj_coff_dim (ignore) |
716 | int ignore; | |
355afbcd | 717 | { |
98c6bbbe | 718 | int dim_index; |
355afbcd KR |
719 | |
720 | if (def_symbol_in_progress == NULL) | |
721 | { | |
722 | as_warn (".dim pseudo-op used outside of .def/.endef: ignored."); | |
723 | demand_empty_rest_of_line (); | |
724 | return; | |
725 | } /* if not inside .def/.endef */ | |
726 | ||
727 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
728 | ||
729 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
730 | { | |
731 | SKIP_WHITESPACES (); | |
98c6bbbe KR |
732 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, |
733 | get_absolute_expression ()); | |
355afbcd KR |
734 | |
735 | switch (*input_line_pointer) | |
736 | { | |
355afbcd KR |
737 | case ',': |
738 | input_line_pointer++; | |
739 | break; | |
740 | ||
741 | default: | |
742 | as_warn ("badly formed .dim directive ignored"); | |
743 | /* intentional fallthrough */ | |
744 | case '\n': | |
745 | case ';': | |
746 | dim_index = DIMNUM; | |
747 | break; | |
98c6bbbe KR |
748 | } |
749 | } | |
355afbcd KR |
750 | |
751 | demand_empty_rest_of_line (); | |
98c6bbbe | 752 | } |
355afbcd KR |
753 | |
754 | static void | |
8fb85d50 KR |
755 | obj_coff_line (ignore) |
756 | int ignore; | |
355afbcd KR |
757 | { |
758 | int this_base; | |
759 | ||
760 | if (def_symbol_in_progress == NULL) | |
761 | { | |
98c6bbbe | 762 | /* Probably stabs-style line? */ |
85051959 | 763 | obj_coff_ln (0); |
355afbcd | 764 | return; |
98c6bbbe | 765 | } |
355afbcd KR |
766 | |
767 | this_base = get_absolute_expression (); | |
4325bcb9 | 768 | if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress))) |
257df791 | 769 | coff_line_base = this_base; |
355afbcd KR |
770 | |
771 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
257df791 | 772 | SA_SET_SYM_LNNO (def_symbol_in_progress, coff_line_base); |
355afbcd KR |
773 | |
774 | demand_empty_rest_of_line (); | |
3f8416d5 ILT |
775 | |
776 | #ifndef NO_LISTING | |
777 | if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0) | |
778 | { | |
779 | extern int listing; | |
780 | ||
781 | if (listing) | |
782 | listing_source_line ((unsigned int) coff_line_base); | |
783 | } | |
784 | #endif | |
98c6bbbe | 785 | } |
355afbcd KR |
786 | |
787 | static void | |
8fb85d50 KR |
788 | obj_coff_size (ignore) |
789 | int ignore; | |
355afbcd KR |
790 | { |
791 | if (def_symbol_in_progress == NULL) | |
792 | { | |
793 | as_warn (".size pseudo-op used outside of .def/.endef ignored."); | |
794 | demand_empty_rest_of_line (); | |
795 | return; | |
796 | } /* if not inside .def/.endef */ | |
797 | ||
798 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
799 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
800 | demand_empty_rest_of_line (); | |
98c6bbbe | 801 | } |
355afbcd KR |
802 | |
803 | static void | |
8fb85d50 KR |
804 | obj_coff_scl (ignore) |
805 | int ignore; | |
355afbcd KR |
806 | { |
807 | if (def_symbol_in_progress == NULL) | |
808 | { | |
809 | as_warn (".scl pseudo-op used outside of .def/.endef ignored."); | |
810 | demand_empty_rest_of_line (); | |
811 | return; | |
812 | } /* if not inside .def/.endef */ | |
813 | ||
814 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
815 | demand_empty_rest_of_line (); | |
98c6bbbe | 816 | } |
355afbcd KR |
817 | |
818 | static void | |
8fb85d50 KR |
819 | obj_coff_tag (ignore) |
820 | int ignore; | |
a39116f1 | 821 | { |
355afbcd KR |
822 | char *symbol_name; |
823 | char name_end; | |
824 | ||
825 | if (def_symbol_in_progress == NULL) | |
826 | { | |
827 | as_warn (".tag pseudo-op used outside of .def/.endef ignored."); | |
828 | demand_empty_rest_of_line (); | |
829 | return; | |
98c6bbbe | 830 | } |
355afbcd KR |
831 | |
832 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
833 | symbol_name = input_line_pointer; | |
834 | name_end = get_symbol_end (); | |
835 | ||
98c6bbbe KR |
836 | /* Assume that the symbol referred to by .tag is always defined. |
837 | This was a bad assumption. I've added find_or_make. xoxorich. */ | |
85051959 | 838 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
98c6bbbe | 839 | tag_find_or_make (symbol_name)); |
355afbcd KR |
840 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) |
841 | { | |
842 | as_warn ("tag not found for .tag %s", symbol_name); | |
843 | } /* not defined */ | |
844 | ||
845 | SF_SET_TAGGED (def_symbol_in_progress); | |
846 | *input_line_pointer = name_end; | |
847 | ||
848 | demand_empty_rest_of_line (); | |
98c6bbbe | 849 | } |
355afbcd KR |
850 | |
851 | static void | |
8fb85d50 KR |
852 | obj_coff_type (ignore) |
853 | int ignore; | |
355afbcd KR |
854 | { |
855 | if (def_symbol_in_progress == NULL) | |
856 | { | |
857 | as_warn (".type pseudo-op used outside of .def/.endef ignored."); | |
858 | demand_empty_rest_of_line (); | |
859 | return; | |
860 | } /* if not inside .def/.endef */ | |
861 | ||
862 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
863 | ||
864 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
865 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
866 | { | |
867 | SF_SET_FUNCTION (def_symbol_in_progress); | |
868 | } /* is a function */ | |
869 | ||
870 | demand_empty_rest_of_line (); | |
98c6bbbe | 871 | } |
355afbcd KR |
872 | |
873 | static void | |
8fb85d50 KR |
874 | obj_coff_val (ignore) |
875 | int ignore; | |
355afbcd KR |
876 | { |
877 | if (def_symbol_in_progress == NULL) | |
878 | { | |
879 | as_warn (".val pseudo-op used outside of .def/.endef ignored."); | |
880 | demand_empty_rest_of_line (); | |
881 | return; | |
882 | } /* if not inside .def/.endef */ | |
883 | ||
884 | if (is_name_beginner (*input_line_pointer)) | |
885 | { | |
886 | char *symbol_name = input_line_pointer; | |
887 | char name_end = get_symbol_end (); | |
888 | ||
889 | if (!strcmp (symbol_name, ".")) | |
890 | { | |
891 | def_symbol_in_progress->sy_frag = frag_now; | |
8fb85d50 | 892 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
355afbcd KR |
893 | /* If the .val is != from the .def (e.g. statics) */ |
894 | } | |
895 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
896 | { | |
98c6bbbe | 897 | def_symbol_in_progress->sy_value.X_op = O_symbol; |
5868b1fe ILT |
898 | def_symbol_in_progress->sy_value.X_add_symbol = |
899 | symbol_find_or_make (symbol_name); | |
98c6bbbe | 900 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; |
5868b1fe | 901 | def_symbol_in_progress->sy_value.X_add_number = 0; |
5868b1fe ILT |
902 | |
903 | /* If the segment is undefined when the forward reference is | |
904 | resolved, then copy the segment id from the forward | |
905 | symbol. */ | |
355afbcd KR |
906 | SF_SET_GET_SEGMENT (def_symbol_in_progress); |
907 | } | |
908 | /* Otherwise, it is the name of a non debug symbol and its value will be calculated later. */ | |
909 | *input_line_pointer = name_end; | |
910 | } | |
911 | else | |
912 | { | |
913 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
914 | } /* if symbol based */ | |
915 | ||
916 | demand_empty_rest_of_line (); | |
98c6bbbe | 917 | } |
fecd2382 | 918 | |
355afbcd KR |
919 | void |
920 | obj_read_begin_hook () | |
921 | { | |
922 | /* These had better be the same. Usually 18 bytes. */ | |
57574979 | 923 | #ifndef BFD_HEADERS |
355afbcd KR |
924 | know (sizeof (SYMENT) == sizeof (AUXENT)); |
925 | know (SYMESZ == AUXESZ); | |
57574979 | 926 | #endif |
355afbcd | 927 | tag_init (); |
85051959 | 928 | } |
fecd2382 | 929 | |
85051959 | 930 | |
055a75ef KR |
931 | symbolS *coff_last_function; |
932 | ||
85051959 | 933 | void |
98c6bbbe | 934 | coff_frob_symbol (symp, punt) |
85051959 ILT |
935 | symbolS *symp; |
936 | int *punt; | |
937 | { | |
055a75ef | 938 | static symbolS *last_tagP; |
85051959 | 939 | static stack *block_stack; |
055a75ef | 940 | static symbolS *set_end; |
7ab1edc8 | 941 | symbolS *next_set_end = NULL; |
055a75ef KR |
942 | |
943 | if (symp == &abs_symbol) | |
944 | { | |
945 | *punt = 1; | |
946 | return; | |
947 | } | |
85051959 | 948 | |
98c6bbbe | 949 | if (current_lineno_sym) |
257df791 | 950 | coff_add_linesym ((symbolS *) 0); |
98c6bbbe | 951 | |
85051959 ILT |
952 | if (!block_stack) |
953 | block_stack = stack_init (512, sizeof (symbolS*)); | |
954 | ||
85051959 ILT |
955 | if (!S_IS_DEFINED (symp) && S_GET_STORAGE_CLASS (symp) != C_STAT) |
956 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
85051959 ILT |
957 | |
958 | if (!SF_GET_DEBUG (symp)) | |
959 | { | |
960 | symbolS *real; | |
961 | if (!SF_GET_LOCAL (symp) | |
962 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) | |
963 | && real != symp) | |
964 | { | |
965 | c_symbol_merge (symp, real); | |
966 | *punt = 1; | |
967 | } | |
968 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) | |
969 | { | |
970 | assert (S_GET_VALUE (symp) == 0); | |
971 | S_SET_EXTERNAL (symp); | |
972 | } | |
973 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
974 | { | |
eb4fd16f ILT |
975 | if (S_GET_SEGMENT (symp) == text_section |
976 | && symp != seg_info (text_section)->sym) | |
85051959 ILT |
977 | S_SET_STORAGE_CLASS (symp, C_LABEL); |
978 | else | |
979 | S_SET_STORAGE_CLASS (symp, C_STAT); | |
980 | } | |
981 | if (SF_GET_PROCESS (symp)) | |
982 | { | |
983 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
984 | { | |
985 | if (!strcmp (S_GET_NAME (symp), ".bb")) | |
986 | stack_push (block_stack, (char *) &symp); | |
987 | else | |
988 | { | |
989 | symbolS *begin; | |
990 | begin = *(symbolS **) stack_pop (block_stack); | |
991 | if (begin == 0) | |
992 | as_warn ("mismatched .eb"); | |
993 | else | |
7ab1edc8 | 994 | next_set_end = begin; |
85051959 ILT |
995 | } |
996 | } | |
055a75ef | 997 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
85051959 ILT |
998 | { |
999 | union internal_auxent *auxp; | |
055a75ef | 1000 | coff_last_function = symp; |
85051959 ILT |
1001 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) |
1002 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
1003 | auxp = &coffsymbol (symp->bsym)->native[1].u.auxent; | |
1004 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, | |
1005 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
1006 | } | |
1007 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) | |
1008 | { | |
055a75ef | 1009 | if (coff_last_function == 0) |
85051959 | 1010 | as_fatal ("C_EFCN symbol out of scope"); |
055a75ef | 1011 | SA_SET_SYM_FSIZE (coff_last_function, |
85051959 | 1012 | (long) (S_GET_VALUE (symp) |
055a75ef | 1013 | - S_GET_VALUE (coff_last_function))); |
7ab1edc8 | 1014 | next_set_end = coff_last_function; |
055a75ef | 1015 | coff_last_function = 0; |
85051959 ILT |
1016 | } |
1017 | } | |
1018 | else if (SF_GET_TAG (symp)) | |
1019 | last_tagP = symp; | |
1020 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
7ab1edc8 | 1021 | next_set_end = last_tagP; |
85051959 ILT |
1022 | else if (S_GET_STORAGE_CLASS (symp) == C_FILE) |
1023 | { | |
1024 | if (S_GET_VALUE (symp)) | |
1025 | { | |
1026 | S_SET_VALUE ((symbolS *) S_GET_VALUE (symp), 0xdeadbeef); | |
1027 | S_SET_VALUE (symp, 0); | |
1028 | } | |
1029 | } | |
98c6bbbe KR |
1030 | if (S_IS_EXTERNAL (symp)) |
1031 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1032 | else if (SF_GET_LOCAL (symp)) | |
85051959 | 1033 | *punt = 1; |
a91c6b08 ILT |
1034 | |
1035 | if (SF_GET_FUNCTION (symp)) | |
1036 | symp->bsym->flags |= BSF_FUNCTION; | |
1037 | ||
85051959 ILT |
1038 | /* more ... */ |
1039 | } | |
055a75ef | 1040 | |
7ab1edc8 ILT |
1041 | #ifdef OBJ_XCOFF |
1042 | /* This is pretty horrible, but we have to set *punt correctly in | |
1043 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
1044 | if (! symp->sy_used_in_reloc | |
1045 | && ((symp->bsym->flags & BSF_SECTION_SYM) != 0 | |
1046 | || (! S_IS_EXTERNAL (symp) | |
1047 | && ! symp->sy_tc.output | |
1048 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) | |
1049 | *punt = 1; | |
1050 | #endif | |
1051 | ||
055a75ef KR |
1052 | if (set_end != (symbolS *) NULL |
1053 | && ! *punt) | |
1054 | { | |
1055 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1056 | set_end = NULL; | |
1057 | } | |
1058 | ||
7ab1edc8 ILT |
1059 | if (next_set_end != NULL |
1060 | && ! *punt) | |
1061 | set_end = next_set_end; | |
1062 | ||
85051959 ILT |
1063 | if (coffsymbol (symp->bsym)->lineno) |
1064 | { | |
d675782a | 1065 | int i; |
85051959 ILT |
1066 | struct line_no *lptr; |
1067 | alent *l; | |
1068 | ||
1069 | lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno; | |
1070 | for (i = 0; lptr; lptr = lptr->next) | |
1071 | i++; | |
85051959 | 1072 | lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno; |
d675782a KR |
1073 | |
1074 | /* We need i entries for line numbers, plus 1 for the first | |
1075 | entry which BFD will override, plus 1 for the last zero | |
1076 | entry (a marker for BFD). */ | |
1077 | l = (alent *) bfd_alloc_by_size_t (stdoutput, (i + 2) * sizeof (alent)); | |
85051959 | 1078 | coffsymbol (symp->bsym)->lineno = l; |
d675782a KR |
1079 | l[i + 1].line_number = 0; |
1080 | l[i + 1].u.sym = NULL; | |
1081 | for (; i > 0; i--) | |
85051959 ILT |
1082 | { |
1083 | if (lptr->frag) | |
1084 | lptr->l.u.offset += lptr->frag->fr_address; | |
1085 | l[i] = lptr->l; | |
1086 | lptr = lptr->next; | |
1087 | } | |
1088 | } | |
1089 | } | |
1090 | ||
4325bcb9 KR |
1091 | void |
1092 | coff_adjust_section_syms (abfd, sec, x) | |
1093 | bfd *abfd; | |
1094 | asection *sec; | |
1095 | PTR x; | |
1096 | { | |
1097 | symbolS *secsym; | |
1098 | segment_info_type *seginfo = seg_info (sec); | |
1099 | int nlnno, nrelocs = 0; | |
1100 | ||
d675782a KR |
1101 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in |
1102 | tc-ppc.c. Do not get confused by it. */ | |
1103 | if (seginfo == NULL) | |
1104 | return; | |
1105 | ||
4325bcb9 | 1106 | if (!strcmp (sec->name, ".text")) |
7ab1edc8 | 1107 | nlnno = coff_n_line_nos; |
4325bcb9 KR |
1108 | else |
1109 | nlnno = 0; | |
1110 | { | |
1111 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1112 | entry... */ | |
1113 | fixS *fixp = seginfo->fix_root; | |
1114 | while (fixp) | |
1115 | { | |
1116 | fixp = fixp->fx_next; | |
1117 | nrelocs++; | |
1118 | } | |
1119 | } | |
1120 | if (bfd_get_section_size_before_reloc (sec) == 0 | |
1121 | && nrelocs == 0 && nlnno == 0) | |
1122 | return; | |
1123 | secsym = section_symbol (sec); | |
1124 | SA_SET_SCN_NRELOC (secsym, nrelocs); | |
1125 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1126 | } | |
1127 | ||
1128 | void | |
1129 | coff_frob_file () | |
1130 | { | |
1131 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0); | |
1132 | } | |
1133 | ||
055a75ef KR |
1134 | /* |
1135 | * implement the .section pseudo op: | |
1136 | * .section name {, "flags"} | |
1137 | * ^ ^ | |
1138 | * | +--- optional flags: 'b' for bss | |
1139 | * | 'i' for info | |
1140 | * +-- section name 'l' for lib | |
1141 | * 'n' for noload | |
1142 | * 'o' for over | |
1143 | * 'w' for data | |
1144 | * 'd' (apparently m88k for data) | |
1145 | * 'x' for text | |
1146 | * But if the argument is not a quoted string, treat it as a | |
1147 | * subsegment number. | |
1148 | */ | |
1149 | ||
1150 | void | |
1151 | obj_coff_section (ignore) | |
1152 | int ignore; | |
85051959 ILT |
1153 | { |
1154 | /* Strip out the section name */ | |
055a75ef | 1155 | char *section_name; |
85051959 | 1156 | char c; |
055a75ef | 1157 | char *name; |
85051959 | 1158 | unsigned int exp; |
055a75ef KR |
1159 | flagword flags; |
1160 | asection *sec; | |
85051959 | 1161 | |
7ab1edc8 ILT |
1162 | if (flag_mri) |
1163 | { | |
1164 | char type; | |
1165 | ||
1166 | s_mri_sect (&type); | |
1167 | return; | |
1168 | } | |
1169 | ||
055a75ef KR |
1170 | section_name = input_line_pointer; |
1171 | c = get_symbol_end (); | |
85051959 | 1172 | |
055a75ef KR |
1173 | name = xmalloc (input_line_pointer - section_name + 1); |
1174 | strcpy (name, section_name); | |
1175 | ||
1176 | *input_line_pointer = c; | |
1177 | ||
1178 | SKIP_WHITESPACE (); | |
1179 | ||
1180 | exp = 0; | |
1181 | flags = SEC_NO_FLAGS; | |
1182 | ||
1183 | if (*input_line_pointer == ',') | |
85051959 | 1184 | { |
055a75ef KR |
1185 | ++input_line_pointer; |
1186 | SKIP_WHITESPACE (); | |
1187 | if (*input_line_pointer != '"') | |
1188 | exp = get_absolute_expression (); | |
1189 | else | |
1190 | { | |
1191 | ++input_line_pointer; | |
1192 | while (*input_line_pointer != '"' | |
1193 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1194 | { | |
1195 | switch (*input_line_pointer) | |
1196 | { | |
1197 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1198 | case 'n': flags &=~ SEC_LOAD; break; | |
1199 | case 'd': | |
1200 | case 'w': flags &=~ SEC_READONLY; break; | |
1201 | case 'x': flags |= SEC_CODE; break; | |
1202 | ||
1203 | case 'i': /* STYP_INFO */ | |
1204 | case 'l': /* STYP_LIB */ | |
1205 | case 'o': /* STYP_OVER */ | |
1206 | as_warn ("unsupported section attribute '%c'", | |
1207 | *input_line_pointer); | |
1208 | break; | |
1209 | ||
1210 | default: | |
1211 | as_warn("unknown section attribute '%c'", | |
1212 | *input_line_pointer); | |
1213 | break; | |
1214 | } | |
1215 | ++input_line_pointer; | |
1216 | } | |
1217 | if (*input_line_pointer == '"') | |
1218 | ++input_line_pointer; | |
1219 | } | |
85051959 | 1220 | } |
055a75ef KR |
1221 | |
1222 | sec = subseg_new (name, (subsegT) exp); | |
1223 | ||
1224 | if (flags != SEC_NO_FLAGS) | |
85051959 | 1225 | { |
055a75ef KR |
1226 | if (! bfd_set_section_flags (stdoutput, sec, flags)) |
1227 | as_warn ("error setting flags for \"%s\": %s", | |
1228 | bfd_section_name (stdoutput, sec), | |
1229 | bfd_errmsg (bfd_get_error ())); | |
85051959 | 1230 | } |
85051959 ILT |
1231 | } |
1232 | ||
1233 | void | |
2283f8a0 | 1234 | coff_adjust_symtab () |
85051959 ILT |
1235 | { |
1236 | if (symbol_rootP == NULL | |
1237 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
1238 | { | |
1239 | assert (previous_file_symbol == 0); | |
1240 | c_dot_file_symbol ("fake"); | |
1241 | } | |
85051959 | 1242 | } |
71b4de6f KR |
1243 | |
1244 | void | |
8fb85d50 KR |
1245 | coff_frob_section (sec) |
1246 | segT sec; | |
71b4de6f | 1247 | { |
8fb85d50 | 1248 | segT strsec; |
71b4de6f KR |
1249 | char *strname, *p; |
1250 | fragS *fragp; | |
8fb85d50 KR |
1251 | bfd_vma size, n_entries, mask; |
1252 | ||
1253 | /* The COFF back end in BFD requires that all section sizes be | |
1254 | rounded up to multiples of the corresponding section alignments. | |
1255 | Seems kinda silly to me, but that's the way it is. */ | |
1256 | size = bfd_get_section_size_before_reloc (sec); | |
8fb85d50 KR |
1257 | mask = ((bfd_vma) 1 << (bfd_vma) sec->alignment_power) - 1; |
1258 | if (size & mask) | |
4325bcb9 KR |
1259 | { |
1260 | size = (size + mask) & ~mask; | |
1261 | bfd_set_section_size (stdoutput, sec, size); | |
1262 | } | |
1263 | ||
1264 | /* If the section size is non-zero, the section symbol needs an aux | |
1265 | entry associated with it, indicating the size. We don't know | |
1266 | all the values yet; coff_frob_symbol will fill them in later. */ | |
1267 | if (size) | |
1268 | { | |
1269 | symbolS *secsym = section_symbol (sec); | |
1270 | ||
1271 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1272 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1273 | SF_SET_STATICS (secsym); | |
1274 | SA_SET_SCN_SCNLEN (secsym, size); | |
1275 | } | |
71b4de6f KR |
1276 | |
1277 | /* @@ these should be in a "stabs.h" file, or maybe as.h */ | |
1278 | #ifndef STAB_SECTION_NAME | |
1279 | #define STAB_SECTION_NAME ".stab" | |
1280 | #endif | |
1281 | #ifndef STAB_STRING_SECTION_NAME | |
1282 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1283 | #endif | |
8fb85d50 | 1284 | if (strcmp (STAB_STRING_SECTION_NAME, sec->name)) |
71b4de6f KR |
1285 | return; |
1286 | ||
8fb85d50 | 1287 | strsec = sec; |
71b4de6f KR |
1288 | sec = subseg_get (STAB_SECTION_NAME, 0); |
1289 | /* size is already rounded up, since other section will be listed first */ | |
1290 | size = bfd_get_section_size_before_reloc (strsec); | |
1291 | ||
1292 | n_entries = bfd_get_section_size_before_reloc (sec) / 12 - 1; | |
1293 | ||
1294 | /* Find first non-empty frag. It should be large enough. */ | |
1295 | fragp = seg_info (sec)->frchainP->frch_root; | |
1296 | while (fragp && fragp->fr_fix == 0) | |
1297 | fragp = fragp->fr_next; | |
1298 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1299 | ||
1300 | /* Store the values. */ | |
1301 | p = fragp->fr_literal; | |
1302 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1303 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1304 | } | |
1305 | ||
1306 | void | |
1307 | obj_coff_init_stab_section (seg) | |
1308 | segT seg; | |
1309 | { | |
1310 | char *file; | |
1311 | char *p; | |
1312 | char *stabstr_name; | |
1313 | unsigned int stroff; | |
1314 | ||
1315 | /* Make space for this first symbol. */ | |
1316 | p = frag_more (12); | |
1317 | /* Zero it out. */ | |
1318 | memset (p, 0, 12); | |
1319 | as_where (&file, (unsigned int *) NULL); | |
1320 | stabstr_name = (char *) alloca (strlen (seg->name) + 4); | |
1321 | strcpy (stabstr_name, seg->name); | |
1322 | strcat (stabstr_name, "str"); | |
1323 | stroff = get_stab_string_offset (file, stabstr_name); | |
1324 | know (stroff == 1); | |
1325 | md_number_to_chars (p, stroff, 4); | |
1326 | } | |
85051959 | 1327 | |
fecd2382 | 1328 | #ifdef DEBUG |
a39116f1 | 1329 | /* for debugging */ |
98c6bbbe | 1330 | const char * |
355afbcd KR |
1331 | s_get_name (s) |
1332 | symbolS *s; | |
fecd2382 | 1333 | { |
355afbcd | 1334 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); |
71b4de6f | 1335 | } |
355afbcd KR |
1336 | |
1337 | void | |
1338 | symbol_dump () | |
1339 | { | |
1340 | symbolS *symbolP; | |
1341 | ||
1342 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
1343 | { | |
85051959 ILT |
1344 | printf("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n", |
1345 | (unsigned long) symbolP, | |
1346 | S_GET_NAME(symbolP), | |
1347 | (long) S_GET_DATA_TYPE(symbolP), | |
1348 | S_GET_STORAGE_CLASS(symbolP), | |
1349 | (int) S_GET_SEGMENT(symbolP)); | |
85051959 ILT |
1350 | } |
1351 | } | |
355afbcd | 1352 | |
fecd2382 RP |
1353 | #endif /* DEBUG */ |
1354 | ||
2283f8a0 KR |
1355 | #else /* not BFD_ASSEMBLER */ |
1356 | ||
1357 | #include "frags.h" | |
1358 | /* This is needed because we include internal bfd things. */ | |
1359 | #include <time.h> | |
d21041b3 SS |
1360 | |
1361 | #include "libbfd.h" | |
1362 | #include "libcoff.h" | |
2283f8a0 KR |
1363 | |
1364 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so | |
1365 | that we can stick sections together without causing trouble. */ | |
1366 | #ifndef NOP_OPCODE | |
1367 | #define NOP_OPCODE 0x00 | |
1368 | #endif | |
1369 | ||
eb4fd16f ILT |
1370 | /* The zeroes if symbol name is longer than 8 chars */ |
1371 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1372 | ||
2283f8a0 KR |
1373 | #define MIN(a,b) ((a) < (b)? (a) : (b)) |
1374 | /* This vector is used to turn an internal segment into a section # | |
1375 | suitable for insertion into a coff symbol table | |
1376 | */ | |
1377 | ||
1378 | const short seg_N_TYPE[] = | |
1379 | { /* in: segT out: N_TYPE bits */ | |
1380 | C_ABS_SECTION, | |
1381 | 1, | |
1382 | 2, | |
1383 | 3, | |
1384 | 4, | |
1385 | 5, | |
1386 | 6, | |
1387 | 7, | |
1388 | 8, | |
1389 | 9, | |
1390 | 10, | |
1391 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ | |
1392 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1393 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1394 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1395 | C_NTV_SECTION, /* SEG_NTV */ | |
1396 | C_PTV_SECTION, /* SEG_PTV */ | |
1397 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1398 | }; | |
1399 | ||
1400 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1401 | started (the odd entry for line #0) */ | |
1402 | ||
1403 | static symbolS *last_line_symbol; | |
1404 | ||
1405 | /* Add 4 to the real value to get the index and compensate the | |
1406 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
1407 | section number into a segment number | |
1408 | */ | |
eb4fd16f | 1409 | static symbolS *previous_file_symbol; |
2283f8a0 KR |
1410 | void c_symbol_merge (); |
1411 | static int line_base; | |
1412 | ||
1413 | symbolS *c_section_symbol (); | |
1414 | bfd *abfd; | |
1415 | ||
1416 | static void fixup_segment PARAMS ((segment_info_type *segP, | |
1417 | segT this_segment_type)); | |
1418 | ||
1419 | ||
1420 | static void fixup_mdeps PARAMS ((fragS *, | |
1421 | object_headers *, | |
1422 | segT)); | |
1423 | ||
1424 | ||
1425 | static void fill_section PARAMS ((bfd * abfd, | |
1426 | object_headers *, | |
1427 | unsigned long *)); | |
1428 | ||
1429 | ||
2283f8a0 | 1430 | static int c_line_new PARAMS ((symbolS * symbol, long paddr, |
eb4fd16f | 1431 | int line_number, |
2283f8a0 KR |
1432 | fragS * frag)); |
1433 | ||
1434 | ||
1435 | static void w_symbols PARAMS ((bfd * abfd, char *where, | |
1436 | symbolS * symbol_rootP)); | |
1437 | ||
1438 | static void adjust_stab_section PARAMS ((bfd *abfd, segT seg)); | |
1439 | ||
2283f8a0 KR |
1440 | static void obj_coff_lcomm PARAMS ((int)); |
1441 | static void obj_coff_text PARAMS ((int)); | |
1442 | static void obj_coff_data PARAMS ((int)); | |
1443 | static void obj_coff_bss PARAMS ((int)); | |
1444 | static void obj_coff_ident PARAMS ((int)); | |
1445 | void obj_coff_section PARAMS ((int)); | |
1446 | ||
2283f8a0 KR |
1447 | /* Section stuff |
1448 | ||
1449 | We allow more than just the standard 3 sections, infact, we allow | |
1450 | 10 sections, (though the usual three have to be there). | |
1451 | ||
1452 | This structure performs the mappings for us: | |
1453 | ||
1454 | */ | |
1455 | ||
1456 | #define N_SEG 32 | |
1457 | typedef struct | |
1458 | { | |
1459 | segT seg_t; | |
1460 | int i; | |
1461 | } seg_info_type; | |
1462 | ||
eb4fd16f | 1463 | static const seg_info_type seg_info_off_by_4[N_SEG] = |
2283f8a0 KR |
1464 | { |
1465 | {SEG_PTV, }, | |
1466 | {SEG_NTV, }, | |
1467 | {SEG_DEBUG, }, | |
1468 | {SEG_ABSOLUTE, }, | |
1469 | {SEG_UNKNOWN, }, | |
1470 | {SEG_E0}, | |
1471 | {SEG_E1}, | |
1472 | {SEG_E2}, | |
1473 | {SEG_E3}, | |
1474 | {SEG_E4}, | |
1475 | {SEG_E5}, | |
1476 | {SEG_E6}, | |
1477 | {SEG_E7}, | |
1478 | {SEG_E8}, | |
1479 | {SEG_E9}, | |
1480 | {(segT)15}, | |
1481 | {(segT)16}, | |
1482 | {(segT)17}, | |
1483 | {(segT)18}, | |
1484 | {(segT)19}, | |
1485 | {(segT)20}, | |
1486 | {(segT)0}, | |
1487 | {(segT)0}, | |
1488 | {(segT)0}, | |
1489 | {SEG_REGISTER} | |
1490 | }; | |
1491 | ||
1492 | ||
1493 | ||
1494 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) | |
2283f8a0 KR |
1495 | |
1496 | static relax_addressT | |
1497 | relax_align (address, alignment) | |
1498 | relax_addressT address; | |
1499 | long alignment; | |
1500 | { | |
1501 | relax_addressT mask; | |
1502 | relax_addressT new_address; | |
1503 | ||
1504 | mask = ~((~0) << alignment); | |
1505 | new_address = (address + mask) & (~mask); | |
1506 | return (new_address - address); | |
eb4fd16f | 1507 | } |
2283f8a0 KR |
1508 | |
1509 | ||
1510 | segT | |
1511 | s_get_segment (x) | |
1512 | symbolS * x; | |
1513 | { | |
1514 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum).seg_t; | |
1515 | } | |
1516 | ||
1517 | ||
1518 | ||
1519 | /* calculate the size of the frag chain and fill in the section header | |
1520 | to contain all of it, also fill in the addr of the sections */ | |
1521 | static unsigned int | |
1522 | size_section (abfd, idx) | |
1523 | bfd * abfd; | |
1524 | unsigned int idx; | |
1525 | { | |
1526 | ||
1527 | unsigned int size = 0; | |
1528 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
1529 | while (frag) | |
1530 | { | |
1531 | size = frag->fr_address; | |
1532 | if (frag->fr_address != size) | |
1533 | { | |
eb4fd16f | 1534 | fprintf (stderr, "Out of step\n"); |
2283f8a0 KR |
1535 | size = frag->fr_address; |
1536 | } | |
1537 | ||
1538 | switch (frag->fr_type) | |
1539 | { | |
1540 | #ifdef TC_COFF_SIZEMACHDEP | |
1541 | case rs_machine_dependent: | |
1542 | size += TC_COFF_SIZEMACHDEP (frag); | |
1543 | break; | |
1544 | #endif | |
aac4d5a7 KR |
1545 | case rs_space: |
1546 | assert (frag->fr_symbol == 0); | |
2283f8a0 KR |
1547 | case rs_fill: |
1548 | case rs_org: | |
1549 | size += frag->fr_fix; | |
1550 | size += frag->fr_offset * frag->fr_var; | |
1551 | break; | |
1552 | case rs_align: | |
1553 | size += frag->fr_fix; | |
1554 | size += relax_align (size, frag->fr_offset); | |
1555 | break; | |
1556 | default: | |
1557 | BAD_CASE (frag->fr_type); | |
1558 | break; | |
1559 | } | |
1560 | frag = frag->fr_next; | |
1561 | } | |
1562 | segment_info[idx].scnhdr.s_size = size; | |
1563 | return size; | |
1564 | } | |
1565 | ||
1566 | ||
1567 | static unsigned int | |
1568 | count_entries_in_chain (idx) | |
1569 | unsigned int idx; | |
1570 | { | |
1571 | unsigned int nrelocs; | |
1572 | fixS *fixup_ptr; | |
1573 | ||
1574 | /* Count the relocations */ | |
1575 | fixup_ptr = segment_info[idx].fix_root; | |
1576 | nrelocs = 0; | |
1577 | while (fixup_ptr != (fixS *) NULL) | |
1578 | { | |
1579 | if (TC_COUNT_RELOC (fixup_ptr)) | |
1580 | { | |
1581 | #ifdef TC_A29K | |
1582 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) | |
1583 | nrelocs += 2; | |
1584 | else | |
1585 | nrelocs++; | |
1586 | #else | |
1587 | nrelocs++; | |
1588 | #endif | |
1589 | } | |
1590 | ||
1591 | fixup_ptr = fixup_ptr->fx_next; | |
1592 | } | |
1593 | return nrelocs; | |
1594 | } | |
1595 | ||
1596 | /* output all the relocations for a section */ | |
1597 | void | |
1598 | do_relocs_for (abfd, h, file_cursor) | |
1599 | bfd * abfd; | |
1600 | object_headers * h; | |
1601 | unsigned long *file_cursor; | |
1602 | { | |
1603 | unsigned int nrelocs; | |
1604 | unsigned int idx; | |
1605 | unsigned long reloc_start = *file_cursor; | |
1606 | ||
1607 | for (idx = SEG_E0; idx < SEG_E9; idx++) | |
1608 | { | |
1609 | if (segment_info[idx].scnhdr.s_name[0]) | |
1610 | { | |
1611 | struct external_reloc *ext_ptr; | |
1612 | struct external_reloc *external_reloc_vec; | |
1613 | unsigned int external_reloc_size; | |
1614 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1615 | fixS *fix_ptr = segment_info[idx].fix_root; | |
1616 | nrelocs = count_entries_in_chain (idx); | |
1617 | ||
1618 | if (nrelocs) | |
1619 | /* Bypass this stuff if no relocs. This also incidentally | |
1620 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
1621 | { | |
1622 | external_reloc_size = nrelocs * RELSZ; | |
1623 | external_reloc_vec = | |
1624 | (struct external_reloc *) malloc (external_reloc_size); | |
1625 | ||
1626 | ext_ptr = external_reloc_vec; | |
1627 | ||
1628 | /* Fill in the internal coff style reloc struct from the | |
1629 | internal fix list. */ | |
1630 | while (fix_ptr) | |
1631 | { | |
2283f8a0 KR |
1632 | struct internal_reloc intr; |
1633 | ||
1634 | /* Only output some of the relocations */ | |
1635 | if (TC_COUNT_RELOC (fix_ptr)) | |
1636 | { | |
1637 | #ifdef TC_RELOC_MANGLE | |
a91c6b08 ILT |
1638 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, |
1639 | base); | |
2283f8a0 KR |
1640 | |
1641 | #else | |
1642 | symbolS *dot; | |
96d1566d | 1643 | symbolS *symbol_ptr = fix_ptr->fx_addsy; |
2283f8a0 KR |
1644 | |
1645 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
1646 | intr.r_vaddr = | |
1647 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
1648 | ||
4325bcb9 | 1649 | #ifdef TC_KEEP_FX_OFFSET |
2283f8a0 KR |
1650 | intr.r_offset = fix_ptr->fx_offset; |
1651 | #else | |
1652 | intr.r_offset = 0; | |
1653 | #endif | |
1654 | ||
1655 | /* Turn the segment of the symbol into an offset. */ | |
1656 | if (symbol_ptr) | |
1657 | { | |
1658 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; | |
1659 | if (dot) | |
1660 | { | |
1661 | intr.r_symndx = dot->sy_number; | |
1662 | } | |
1663 | else | |
1664 | { | |
1665 | intr.r_symndx = symbol_ptr->sy_number; | |
1666 | } | |
1667 | ||
1668 | } | |
1669 | else | |
1670 | { | |
1671 | intr.r_symndx = -1; | |
1672 | } | |
1673 | #endif | |
1674 | ||
1675 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
1676 | ext_ptr++; | |
1677 | ||
1678 | #if defined(TC_A29K) | |
1679 | ||
1680 | /* The 29k has a special kludge for the high 16 bit | |
1681 | reloc. Two relocations are emited, R_IHIHALF, | |
1682 | and R_IHCONST. The second one doesn't contain a | |
1683 | symbol, but uses the value for offset. */ | |
1684 | ||
1685 | if (intr.r_type == R_IHIHALF) | |
1686 | { | |
1687 | /* now emit the second bit */ | |
1688 | intr.r_type = R_IHCONST; | |
1689 | intr.r_symndx = fix_ptr->fx_addnumber; | |
1690 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
1691 | ext_ptr++; | |
1692 | } | |
1693 | #endif | |
1694 | } | |
1695 | ||
1696 | fix_ptr = fix_ptr->fx_next; | |
1697 | } | |
1698 | ||
1699 | /* Write out the reloc table */ | |
1700 | bfd_write ((PTR) external_reloc_vec, 1, external_reloc_size, | |
1701 | abfd); | |
1702 | free (external_reloc_vec); | |
1703 | ||
1704 | /* Fill in section header info. */ | |
1705 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
1706 | *file_cursor += external_reloc_size; | |
1707 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
1708 | } | |
1709 | else | |
1710 | { | |
1711 | /* No relocs */ | |
1712 | segment_info[idx].scnhdr.s_relptr = 0; | |
1713 | } | |
1714 | } | |
1715 | } | |
1716 | /* Set relocation_size field in file headers */ | |
1717 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); | |
1718 | } | |
1719 | ||
1720 | ||
1721 | /* run through a frag chain and write out the data to go with it, fill | |
1722 | in the scnhdrs with the info on the file postions | |
1723 | */ | |
1724 | static void | |
1725 | fill_section (abfd, h, file_cursor) | |
1726 | bfd * abfd; | |
1727 | object_headers *h; | |
1728 | unsigned long *file_cursor; | |
1729 | { | |
1730 | ||
1731 | unsigned int i; | |
1732 | unsigned int paddr = 0; | |
1733 | ||
1734 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
1735 | { | |
1736 | unsigned int offset = 0; | |
2283f8a0 KR |
1737 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); |
1738 | ||
d21041b3 SS |
1739 | PROGRESS (1); |
1740 | ||
2283f8a0 KR |
1741 | if (s->s_name[0]) |
1742 | { | |
1743 | fragS *frag = segment_info[i].frchainP->frch_root; | |
1744 | char *buffer; | |
1745 | ||
1746 | if (s->s_size == 0) | |
1747 | s->s_scnptr = 0; | |
1748 | else | |
1749 | { | |
1750 | buffer = xmalloc (s->s_size); | |
1751 | s->s_scnptr = *file_cursor; | |
1752 | } | |
1753 | know (s->s_paddr == paddr); | |
1754 | ||
1755 | if (strcmp (s->s_name, ".text") == 0) | |
1756 | s->s_flags |= STYP_TEXT; | |
1757 | else if (strcmp (s->s_name, ".data") == 0) | |
1758 | s->s_flags |= STYP_DATA; | |
1759 | else if (strcmp (s->s_name, ".bss") == 0) | |
1760 | { | |
1761 | s->s_scnptr = 0; | |
1762 | s->s_flags |= STYP_BSS; | |
1763 | ||
1764 | /* @@ Should make the i386 and a29k coff targets define | |
1765 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
1766 | #ifndef TC_I386 | |
1767 | #ifndef TC_A29K | |
1768 | #ifndef COFF_NOLOAD_PROBLEM | |
1769 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
1770 | mondfe progrem are confused by noload sections. */ | |
1771 | s->s_flags |= STYP_NOLOAD; | |
1772 | #endif | |
1773 | #endif | |
1774 | #endif | |
1775 | } | |
1776 | else if (strcmp (s->s_name, ".lit") == 0) | |
1777 | s->s_flags = STYP_LIT | STYP_TEXT; | |
1778 | else if (strcmp (s->s_name, ".init") == 0) | |
1779 | s->s_flags |= STYP_TEXT; | |
1780 | else if (strcmp (s->s_name, ".fini") == 0) | |
1781 | s->s_flags |= STYP_TEXT; | |
1782 | else if (strncmp (s->s_name, ".comment", 8) == 0) | |
1783 | s->s_flags |= STYP_INFO; | |
1784 | ||
1785 | while (frag) | |
1786 | { | |
1787 | unsigned int fill_size; | |
1788 | switch (frag->fr_type) | |
1789 | { | |
1790 | case rs_machine_dependent: | |
1791 | if (frag->fr_fix) | |
1792 | { | |
1793 | memcpy (buffer + frag->fr_address, | |
1794 | frag->fr_literal, | |
1795 | (unsigned int) frag->fr_fix); | |
1796 | offset += frag->fr_fix; | |
1797 | } | |
1798 | ||
1799 | break; | |
aac4d5a7 KR |
1800 | case rs_space: |
1801 | assert (frag->fr_symbol == 0); | |
2283f8a0 KR |
1802 | case rs_fill: |
1803 | case rs_align: | |
1804 | case rs_org: | |
1805 | if (frag->fr_fix) | |
1806 | { | |
1807 | memcpy (buffer + frag->fr_address, | |
1808 | frag->fr_literal, | |
1809 | (unsigned int) frag->fr_fix); | |
1810 | offset += frag->fr_fix; | |
1811 | } | |
1812 | ||
1813 | fill_size = frag->fr_var; | |
1814 | if (fill_size && frag->fr_offset > 0) | |
1815 | { | |
1816 | unsigned int count; | |
1817 | unsigned int off = frag->fr_fix; | |
1818 | for (count = frag->fr_offset; count; count--) | |
1819 | { | |
1820 | if (fill_size + frag->fr_address + off <= s->s_size) | |
1821 | { | |
1822 | memcpy (buffer + frag->fr_address + off, | |
1823 | frag->fr_literal + frag->fr_fix, | |
1824 | fill_size); | |
1825 | off += fill_size; | |
1826 | offset += fill_size; | |
1827 | } | |
1828 | } | |
1829 | } | |
1830 | break; | |
1831 | case rs_broken_word: | |
1832 | break; | |
1833 | default: | |
1834 | abort (); | |
1835 | } | |
1836 | frag = frag->fr_next; | |
1837 | } | |
1838 | ||
1839 | if (s->s_size != 0) | |
1840 | { | |
1841 | if (s->s_scnptr != 0) | |
1842 | { | |
1843 | bfd_write (buffer, s->s_size, 1, abfd); | |
1844 | *file_cursor += s->s_size; | |
1845 | } | |
1846 | free (buffer); | |
1847 | } | |
1848 | paddr += s->s_size; | |
1849 | } | |
1850 | } | |
1851 | } | |
1852 | ||
1853 | /* Coff file generation & utilities */ | |
1854 | ||
1855 | static void | |
1856 | coff_header_append (abfd, h) | |
1857 | bfd * abfd; | |
1858 | object_headers * h; | |
1859 | { | |
1860 | unsigned int i; | |
1861 | char buffer[1000]; | |
1862 | char buffero[1000]; | |
1863 | ||
1864 | bfd_seek (abfd, 0, 0); | |
1865 | ||
1866 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
1867 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
1868 | H_SET_VERSION_STAMP (h, 0); | |
1869 | H_SET_ENTRY_POINT (h, 0); | |
1870 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
1871 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
1872 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, | |
1873 | buffero)); | |
1874 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
1875 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
1876 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
1877 | ||
1878 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
1879 | ||
1880 | bfd_write (buffer, i, 1, abfd); | |
1881 | bfd_write (buffero, H_GET_SIZEOF_OPTIONAL_HEADER (h), 1, abfd); | |
1882 | ||
1883 | for (i = SEG_E0; i < SEG_E9; i++) | |
1884 | { | |
1885 | if (segment_info[i].scnhdr.s_name[0]) | |
1886 | { | |
1887 | unsigned int size = | |
1888 | bfd_coff_swap_scnhdr_out (abfd, | |
1889 | &(segment_info[i].scnhdr), | |
1890 | buffer); | |
5fc2a6ec ILT |
1891 | if (size == 0) |
1892 | as_bad ("bfd_coff_swap_scnhdr_out failed"); | |
2283f8a0 KR |
1893 | bfd_write (buffer, size, 1, abfd); |
1894 | } | |
1895 | } | |
1896 | } | |
1897 | ||
1898 | ||
1899 | char * | |
1900 | symbol_to_chars (abfd, where, symbolP) | |
1901 | bfd * abfd; | |
1902 | char *where; | |
1903 | symbolS * symbolP; | |
1904 | { | |
1905 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
1906 | unsigned int i; | |
1907 | valueT val; | |
1908 | ||
1909 | /* Turn any symbols with register attributes into abs symbols */ | |
1910 | if (S_GET_SEGMENT (symbolP) == reg_section) | |
1911 | { | |
1912 | S_SET_SEGMENT (symbolP, absolute_section); | |
1913 | } | |
1914 | /* At the same time, relocate all symbols to their output value */ | |
1915 | ||
1916 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
1917 | + S_GET_VALUE (symbolP)); | |
1918 | ||
1919 | S_SET_VALUE (symbolP, val); | |
1920 | ||
1921 | symbolP->sy_symbol.ost_entry.n_value = val; | |
1922 | ||
1923 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
1924 | where); | |
1925 | ||
1926 | for (i = 0; i < numaux; i++) | |
1927 | { | |
1928 | where += bfd_coff_swap_aux_out (abfd, | |
1929 | &symbolP->sy_symbol.ost_auxent[i], | |
1930 | S_GET_DATA_TYPE (symbolP), | |
1931 | S_GET_STORAGE_CLASS (symbolP), | |
1932 | i, numaux, where); | |
1933 | } | |
1934 | return where; | |
1935 | ||
1936 | } | |
1937 | ||
1938 | void | |
1939 | obj_symbol_new_hook (symbolP) | |
1940 | symbolS *symbolP; | |
1941 | { | |
1942 | char underscore = 0; /* Symbol has leading _ */ | |
1943 | ||
1944 | /* Effective symbol */ | |
1945 | /* Store the pointer in the offset. */ | |
1946 | S_SET_ZEROES (symbolP, 0L); | |
1947 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
1948 | S_SET_STORAGE_CLASS (symbolP, 0); | |
1949 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
1950 | /* Additional information */ | |
1951 | symbolP->sy_symbol.ost_flags = 0; | |
1952 | /* Auxiliary entries */ | |
1953 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); | |
1954 | ||
1955 | if (S_IS_STRING (symbolP)) | |
1956 | SF_SET_STRING (symbolP); | |
1957 | if (!underscore && S_IS_LOCAL (symbolP)) | |
1958 | SF_SET_LOCAL (symbolP); | |
1959 | } | |
1960 | ||
1961 | /* | |
1962 | * Handle .ln directives. | |
1963 | */ | |
1964 | ||
1965 | static void | |
1966 | obj_coff_ln (appline) | |
1967 | int appline; | |
1968 | { | |
1969 | int l; | |
1970 | ||
1971 | if (! appline && def_symbol_in_progress != NULL) | |
1972 | { | |
1973 | as_warn (".ln pseudo-op inside .def/.endef: ignored."); | |
1974 | demand_empty_rest_of_line (); | |
1975 | return; | |
1976 | } /* wrong context */ | |
1977 | ||
4325bcb9 | 1978 | l = get_absolute_expression (); |
87e48495 | 1979 | c_line_new (0, frag_now_fix (), l, frag_now); |
2283f8a0 KR |
1980 | #ifndef NO_LISTING |
1981 | { | |
1982 | extern int listing; | |
1983 | ||
1984 | if (listing) | |
1985 | { | |
1986 | if (! appline) | |
1987 | l += line_base - 1; | |
1988 | listing_source_line ((unsigned int) l); | |
1989 | } | |
1990 | ||
1991 | } | |
1992 | #endif | |
1993 | demand_empty_rest_of_line (); | |
1994 | } | |
1995 | ||
1996 | /* | |
1997 | * def() | |
1998 | * | |
1999 | * Handle .def directives. | |
2000 | * | |
2001 | * One might ask : why can't we symbol_new if the symbol does not | |
2002 | * already exist and fill it with debug information. Because of | |
2003 | * the C_EFCN special symbol. It would clobber the value of the | |
2004 | * function symbol before we have a chance to notice that it is | |
2005 | * a C_EFCN. And a second reason is that the code is more clear this | |
2006 | * way. (at least I think it is :-). | |
2007 | * | |
2008 | */ | |
2009 | ||
2010 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2011 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
2012 | *input_line_pointer == '\t') \ | |
2013 | input_line_pointer++; | |
2014 | ||
2015 | static void | |
2016 | obj_coff_def (what) | |
2017 | int what; | |
2018 | { | |
2019 | char name_end; /* Char after the end of name */ | |
2020 | char *symbol_name; /* Name of the debug symbol */ | |
2021 | char *symbol_name_copy; /* Temporary copy of the name */ | |
2022 | unsigned int symbol_name_length; | |
2023 | ||
2024 | if (def_symbol_in_progress != NULL) | |
2025 | { | |
2026 | as_warn (".def pseudo-op used inside of .def/.endef: ignored."); | |
2027 | demand_empty_rest_of_line (); | |
2028 | return; | |
2029 | } /* if not inside .def/.endef */ | |
2030 | ||
2031 | SKIP_WHITESPACES (); | |
2032 | ||
2033 | def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); | |
2034 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); | |
2035 | ||
2036 | symbol_name = input_line_pointer; | |
2037 | name_end = get_symbol_end (); | |
2038 | symbol_name_length = strlen (symbol_name); | |
2039 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2040 | strcpy (symbol_name_copy, symbol_name); | |
2041 | ||
2042 | /* Initialize the new symbol */ | |
2043 | #ifdef STRIP_UNDERSCORE | |
2044 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2045 | ? symbol_name_copy + 1 | |
2046 | : symbol_name_copy)); | |
2047 | #else /* STRIP_UNDERSCORE */ | |
2048 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2049 | #endif /* STRIP_UNDERSCORE */ | |
2050 | /* free(symbol_name_copy); */ | |
2051 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2052 | def_symbol_in_progress->sy_number = ~0; | |
2053 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2054 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2055 | ||
2056 | if (S_IS_STRING (def_symbol_in_progress)) | |
2057 | SF_SET_STRING (def_symbol_in_progress); | |
2058 | ||
2059 | *input_line_pointer = name_end; | |
2060 | ||
2061 | demand_empty_rest_of_line (); | |
2062 | } | |
2063 | ||
2064 | unsigned int dim_index; | |
2065 | ||
2066 | ||
2067 | static void | |
2068 | obj_coff_endef (ignore) | |
2069 | int ignore; | |
2070 | { | |
2071 | symbolS *symbolP = 0; | |
2072 | /* DIM BUG FIX sac@cygnus.com */ | |
2073 | dim_index = 0; | |
2074 | if (def_symbol_in_progress == NULL) | |
2075 | { | |
2076 | as_warn (".endef pseudo-op used outside of .def/.endef: ignored."); | |
2077 | demand_empty_rest_of_line (); | |
2078 | return; | |
2079 | } /* if not inside .def/.endef */ | |
2080 | ||
2081 | /* Set the section number according to storage class. */ | |
2082 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) | |
2083 | { | |
2084 | case C_STRTAG: | |
2085 | case C_ENTAG: | |
2086 | case C_UNTAG: | |
2087 | SF_SET_TAG (def_symbol_in_progress); | |
2088 | /* intentional fallthrough */ | |
2089 | case C_FILE: | |
2090 | case C_TPDEF: | |
2091 | SF_SET_DEBUG (def_symbol_in_progress); | |
2092 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2093 | break; | |
2094 | ||
2095 | case C_EFCN: | |
2096 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ | |
2097 | /* intentional fallthrough */ | |
2098 | case C_BLOCK: | |
2099 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
2100 | /* intentional fallthrough */ | |
2101 | case C_FCN: | |
2102 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2103 | ||
2104 | if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) | |
2105 | { /* .bf */ | |
2106 | if (function_lineoff < 0) | |
2107 | { | |
2108 | fprintf (stderr, "`.bf' symbol without preceding function\n"); | |
2109 | } /* missing function symbol */ | |
2110 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; | |
2111 | ||
2112 | SF_SET_PROCESS (last_line_symbol); | |
2113 | function_lineoff = -1; | |
2114 | } | |
2115 | /* Value is always set to . */ | |
2116 | def_symbol_in_progress->sy_frag = frag_now; | |
2117 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2118 | break; | |
2119 | ||
2120 | #ifdef C_AUTOARG | |
2121 | case C_AUTOARG: | |
2122 | #endif /* C_AUTOARG */ | |
2123 | case C_AUTO: | |
2124 | case C_REG: | |
2125 | case C_MOS: | |
2126 | case C_MOE: | |
2127 | case C_MOU: | |
2128 | case C_ARG: | |
2129 | case C_REGPARM: | |
2130 | case C_FIELD: | |
2131 | case C_EOS: | |
2132 | SF_SET_DEBUG (def_symbol_in_progress); | |
2133 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2134 | break; | |
2135 | ||
2136 | case C_EXT: | |
2137 | case C_STAT: | |
2138 | case C_LABEL: | |
2139 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
2140 | break; | |
2141 | ||
2142 | case C_USTATIC: | |
2143 | case C_EXTDEF: | |
2144 | case C_ULABEL: | |
2145 | as_warn ("unexpected storage class %d", S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2146 | break; | |
2147 | } /* switch on storage class */ | |
2148 | ||
2149 | /* Now that we have built a debug symbol, try to find if we should | |
2150 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2151 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2152 | don't merge labels, which are in a different namespace, nor | |
2153 | symbols which have not yet been defined since they are typically | |
2154 | unique, nor do we merge tags with non-tags. */ | |
2155 | ||
2156 | /* Two cases for functions. Either debug followed by definition or | |
2157 | definition followed by debug. For definition first, we will | |
2158 | merge the debug symbol into the definition. For debug first, the | |
2159 | lineno entry MUST point to the definition function or else it | |
2160 | will point off into space when crawl_symbols() merges the debug | |
2161 | symbol into the real symbol. Therefor, let's presume the debug | |
2162 | symbol is a real function reference. */ | |
2163 | ||
2164 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2165 | never seen, this will probably leave an undefined symbol at link | |
2166 | time. */ | |
2167 | ||
2168 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2169 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2170 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2171 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2172 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2173 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2174 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2175 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2176 | { | |
2177 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2178 | &symbol_lastP); | |
2179 | } | |
2180 | else | |
2181 | { | |
2182 | /* This symbol already exists, merge the newly created symbol | |
2183 | into the old one. This is not mandatory. The linker can | |
2184 | handle duplicate symbols correctly. But I guess that it save | |
2185 | a *lot* of space if the assembly file defines a lot of | |
2186 | symbols. [loic] */ | |
2187 | ||
2188 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2189 | previous definition. */ | |
2190 | ||
2191 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
2192 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ | |
2193 | def_symbol_in_progress = symbolP; | |
2194 | ||
2195 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
2196 | || SF_GET_TAG (def_symbol_in_progress)) | |
2197 | { | |
2198 | /* For functions, and tags, the symbol *must* be where the | |
2199 | debug symbol appears. Move the existing symbol to the | |
2200 | current place. */ | |
2201 | /* If it already is at the end of the symbol list, do nothing */ | |
2202 | if (def_symbol_in_progress != symbol_lastP) | |
2203 | { | |
2204 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2205 | &symbol_lastP); | |
2206 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2207 | &symbol_rootP, &symbol_lastP); | |
2208 | } /* if not already in place */ | |
2209 | } /* if function */ | |
2210 | } /* normal or mergable */ | |
2211 | ||
2212 | if (SF_GET_TAG (def_symbol_in_progress) | |
2213 | && symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP) == NULL) | |
2214 | { | |
2215 | tag_insert (S_GET_NAME (def_symbol_in_progress), def_symbol_in_progress); | |
2216 | } | |
2217 | ||
2218 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2219 | { | |
2220 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2221 | function_lineoff | |
2222 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2223 | ||
2224 | SF_SET_PROCESS (def_symbol_in_progress); | |
2225 | ||
2226 | if (symbolP == NULL) | |
2227 | { | |
2228 | /* That is, if this is the first time we've seen the | |
2229 | function... */ | |
2230 | symbol_table_insert (def_symbol_in_progress); | |
2231 | } /* definition follows debug */ | |
2232 | } /* Create the line number entry pointing to the function being defined */ | |
2233 | ||
2234 | def_symbol_in_progress = NULL; | |
2235 | demand_empty_rest_of_line (); | |
2236 | } | |
2237 | ||
2238 | static void | |
2239 | obj_coff_dim (ignore) | |
2240 | int ignore; | |
2241 | { | |
2242 | int dim_index; | |
2243 | ||
2244 | if (def_symbol_in_progress == NULL) | |
2245 | { | |
2246 | as_warn (".dim pseudo-op used outside of .def/.endef: ignored."); | |
2247 | demand_empty_rest_of_line (); | |
2248 | return; | |
2249 | } /* if not inside .def/.endef */ | |
2250 | ||
2251 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2252 | ||
2253 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2254 | { | |
2255 | SKIP_WHITESPACES (); | |
2256 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2257 | get_absolute_expression ()); | |
2258 | ||
2259 | switch (*input_line_pointer) | |
2260 | { | |
2261 | case ',': | |
2262 | input_line_pointer++; | |
2263 | break; | |
2264 | ||
2265 | default: | |
2266 | as_warn ("badly formed .dim directive ignored"); | |
2267 | /* intentional fallthrough */ | |
2268 | case '\n': | |
2269 | case ';': | |
2270 | dim_index = DIMNUM; | |
2271 | break; | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | demand_empty_rest_of_line (); | |
2276 | } | |
2277 | ||
2278 | static void | |
2279 | obj_coff_line (ignore) | |
2280 | int ignore; | |
2281 | { | |
2282 | int this_base; | |
4325bcb9 | 2283 | const char *name; |
2283f8a0 KR |
2284 | |
2285 | if (def_symbol_in_progress == NULL) | |
2286 | { | |
2287 | obj_coff_ln (0); | |
2288 | return; | |
2289 | } | |
2290 | ||
4325bcb9 | 2291 | name = S_GET_NAME (def_symbol_in_progress); |
2283f8a0 | 2292 | this_base = get_absolute_expression (); |
4325bcb9 KR |
2293 | |
2294 | /* Only .bf symbols indicate the use of a new base line number; the | |
2295 | line numbers associated with .ef, .bb, .eb are relative to the | |
2296 | start of the containing function. */ | |
2297 | if (!strcmp (".bf", name)) | |
2283f8a0 | 2298 | { |
4325bcb9 KR |
2299 | #if 0 /* XXX Can we ever have line numbers going backwards? */ |
2300 | if (this_base > line_base) | |
2301 | #endif | |
2302 | { | |
2303 | line_base = this_base; | |
2304 | } | |
2283f8a0 KR |
2305 | |
2306 | #ifndef NO_LISTING | |
2283f8a0 | 2307 | { |
4325bcb9 | 2308 | extern int listing; |
3f8416d5 | 2309 | if (listing) |
4325bcb9 KR |
2310 | { |
2311 | listing_source_line ((unsigned int) line_base); | |
2312 | } | |
2283f8a0 | 2313 | } |
2283f8a0 | 2314 | #endif |
4325bcb9 KR |
2315 | } |
2316 | ||
2283f8a0 KR |
2317 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); |
2318 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2319 | ||
2320 | demand_empty_rest_of_line (); | |
2321 | } | |
2322 | ||
2323 | static void | |
2324 | obj_coff_size (ignore) | |
2325 | int ignore; | |
2326 | { | |
2327 | if (def_symbol_in_progress == NULL) | |
2328 | { | |
2329 | as_warn (".size pseudo-op used outside of .def/.endef ignored."); | |
2330 | demand_empty_rest_of_line (); | |
2331 | return; | |
2332 | } /* if not inside .def/.endef */ | |
2333 | ||
2334 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2335 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2336 | demand_empty_rest_of_line (); | |
2337 | } | |
2338 | ||
2339 | static void | |
2340 | obj_coff_scl (ignore) | |
2341 | int ignore; | |
2342 | { | |
2343 | if (def_symbol_in_progress == NULL) | |
2344 | { | |
2345 | as_warn (".scl pseudo-op used outside of .def/.endef ignored."); | |
2346 | demand_empty_rest_of_line (); | |
2347 | return; | |
2348 | } /* if not inside .def/.endef */ | |
2349 | ||
2350 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2351 | demand_empty_rest_of_line (); | |
2352 | } | |
2353 | ||
2354 | static void | |
2355 | obj_coff_tag (ignore) | |
2356 | int ignore; | |
2357 | { | |
2358 | char *symbol_name; | |
2359 | char name_end; | |
2360 | ||
2361 | if (def_symbol_in_progress == NULL) | |
2362 | { | |
2363 | as_warn (".tag pseudo-op used outside of .def/.endef ignored."); | |
2364 | demand_empty_rest_of_line (); | |
2365 | return; | |
2366 | } | |
2367 | ||
2368 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2369 | symbol_name = input_line_pointer; | |
2370 | name_end = get_symbol_end (); | |
2371 | ||
2372 | /* Assume that the symbol referred to by .tag is always defined. | |
2373 | This was a bad assumption. I've added find_or_make. xoxorich. */ | |
2374 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, | |
2375 | (long) tag_find_or_make (symbol_name)); | |
2376 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
2377 | { | |
2378 | as_warn ("tag not found for .tag %s", symbol_name); | |
2379 | } /* not defined */ | |
2380 | ||
2381 | SF_SET_TAGGED (def_symbol_in_progress); | |
2382 | *input_line_pointer = name_end; | |
2383 | ||
2384 | demand_empty_rest_of_line (); | |
2385 | } | |
2386 | ||
2387 | static void | |
2388 | obj_coff_type (ignore) | |
2389 | int ignore; | |
2390 | { | |
2391 | if (def_symbol_in_progress == NULL) | |
2392 | { | |
2393 | as_warn (".type pseudo-op used outside of .def/.endef ignored."); | |
2394 | demand_empty_rest_of_line (); | |
2395 | return; | |
2396 | } /* if not inside .def/.endef */ | |
2397 | ||
2398 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2399 | ||
2400 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2401 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
2402 | { | |
2403 | SF_SET_FUNCTION (def_symbol_in_progress); | |
2404 | } /* is a function */ | |
2405 | ||
2406 | demand_empty_rest_of_line (); | |
2407 | } | |
2408 | ||
2409 | static void | |
2410 | obj_coff_val (ignore) | |
2411 | int ignore; | |
2412 | { | |
2413 | if (def_symbol_in_progress == NULL) | |
2414 | { | |
2415 | as_warn (".val pseudo-op used outside of .def/.endef ignored."); | |
2416 | demand_empty_rest_of_line (); | |
2417 | return; | |
2418 | } /* if not inside .def/.endef */ | |
2419 | ||
2420 | if (is_name_beginner (*input_line_pointer)) | |
2421 | { | |
2422 | char *symbol_name = input_line_pointer; | |
2423 | char name_end = get_symbol_end (); | |
2424 | ||
2425 | if (!strcmp (symbol_name, ".")) | |
2426 | { | |
2427 | def_symbol_in_progress->sy_frag = frag_now; | |
2428 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2429 | /* If the .val is != from the .def (e.g. statics) */ | |
2430 | } | |
2431 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
2432 | { | |
2433 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2434 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2435 | symbol_find_or_make (symbol_name); | |
2436 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2437 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2438 | ||
2439 | /* If the segment is undefined when the forward reference is | |
2440 | resolved, then copy the segment id from the forward | |
2441 | symbol. */ | |
2442 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2443 | ||
2444 | /* FIXME: gcc can generate address expressions | |
2445 | here in unusual cases (search for "obscure" | |
2446 | in sdbout.c). We just ignore the offset | |
2447 | here, thus generating incorrect debugging | |
2448 | information. We ignore the rest of the | |
2449 | line just below. */ | |
2450 | } | |
2451 | /* Otherwise, it is the name of a non debug symbol and | |
2452 | its value will be calculated later. */ | |
2453 | *input_line_pointer = name_end; | |
2454 | ||
2455 | /* FIXME: this is to avoid an error message in the | |
2456 | FIXME case mentioned just above. */ | |
2457 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2458 | ++input_line_pointer; | |
2459 | } | |
2460 | else | |
2461 | { | |
2462 | S_SET_VALUE (def_symbol_in_progress, | |
2463 | (valueT) get_absolute_expression ()); | |
2464 | } /* if symbol based */ | |
2465 | ||
2466 | demand_empty_rest_of_line (); | |
2467 | } | |
2468 | ||
2469 | void | |
2470 | obj_read_begin_hook () | |
2471 | { | |
2472 | /* These had better be the same. Usually 18 bytes. */ | |
2473 | #ifndef BFD_HEADERS | |
2474 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2475 | know (SYMESZ == AUXESZ); | |
2476 | #endif | |
2477 | tag_init (); | |
2478 | } | |
2479 | ||
2480 | /* This function runs through the symbol table and puts all the | |
2481 | externals onto another chain */ | |
2482 | ||
a91c6b08 ILT |
2483 | /* The chain of globals. */ |
2484 | symbolS *symbol_globalP; | |
2485 | symbolS *symbol_global_lastP; | |
2486 | ||
2283f8a0 | 2487 | /* The chain of externals */ |
eb4fd16f ILT |
2488 | symbolS *symbol_externP; |
2489 | symbolS *symbol_extern_lastP; | |
2283f8a0 KR |
2490 | |
2491 | stack *block_stack; | |
eb4fd16f | 2492 | symbolS *last_functionP; |
2283f8a0 KR |
2493 | symbolS *last_tagP; |
2494 | ||
2495 | static unsigned int | |
2496 | yank_symbols () | |
2497 | { | |
2498 | symbolS *symbolP; | |
2499 | unsigned int symbol_number = 0; | |
2500 | unsigned int last_file_symno = 0; | |
2501 | ||
e5c5ce23 SC |
2502 | struct filename_list *filename_list_scan = filename_list_head; |
2503 | ||
2283f8a0 KR |
2504 | for (symbolP = symbol_rootP; |
2505 | symbolP; | |
2506 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2507 | { | |
1356d77d ILT |
2508 | if (symbolP->sy_mri_common) |
2509 | { | |
2510 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2511 | as_bad ("%s: global symbols not supported in common sections", | |
2512 | S_GET_NAME (symbolP)); | |
2513 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2514 | continue; | |
2515 | } | |
2516 | ||
2283f8a0 KR |
2517 | if (!SF_GET_DEBUG (symbolP)) |
2518 | { | |
2519 | /* Debug symbols do not need all this rubbish */ | |
2520 | symbolS *real_symbolP; | |
2521 | ||
2522 | /* L* and C_EFCN symbols never merge. */ | |
2523 | if (!SF_GET_LOCAL (symbolP) | |
2524 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL | |
2525 | && symbolP->sy_value.X_op == O_constant | |
2526 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
2527 | && real_symbolP != symbolP) | |
2528 | { | |
2529 | /* FIXME-SOON: where do dups come from? | |
2530 | Maybe tag references before definitions? xoxorich. */ | |
2531 | /* Move the debug data from the debug symbol to the | |
2532 | real symbol. Do NOT do the oposite (i.e. move from | |
2533 | real symbol to debug symbol and remove real symbol from the | |
2534 | list.) Because some pointers refer to the real symbol | |
2535 | whereas no pointers refer to the debug symbol. */ | |
2536 | c_symbol_merge (symbolP, real_symbolP); | |
2537 | /* Replace the current symbol by the real one */ | |
2538 | /* The symbols will never be the last or the first | |
2539 | because : 1st symbol is .file and 3 last symbols are | |
2540 | .text, .data, .bss */ | |
2541 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); | |
2542 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
2543 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2544 | symbolP = real_symbolP; | |
2545 | } /* if not local but dup'd */ | |
2546 | ||
def66e24 | 2547 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) |
2283f8a0 KR |
2548 | { |
2549 | S_SET_SEGMENT (symbolP, SEG_E0); | |
2550 | } /* push data into text */ | |
2551 | ||
2552 | resolve_symbol_value (symbolP); | |
2553 | ||
2554 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
2555 | { | |
2556 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
2557 | { | |
2558 | S_SET_EXTERNAL (symbolP); | |
2559 | } | |
2560 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) | |
2561 | { | |
2562 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); | |
2563 | } | |
2564 | else | |
2565 | { | |
2566 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
2567 | } | |
2568 | } | |
2569 | ||
2570 | /* Mainly to speed up if not -g */ | |
2571 | if (SF_GET_PROCESS (symbolP)) | |
2572 | { | |
2573 | /* Handle the nested blocks auxiliary info. */ | |
2574 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) | |
2575 | { | |
2576 | if (!strcmp (S_GET_NAME (symbolP), ".bb")) | |
2577 | stack_push (block_stack, (char *) &symbolP); | |
2578 | else | |
2579 | { /* .eb */ | |
2580 | register symbolS *begin_symbolP; | |
2581 | begin_symbolP = *(symbolS **) stack_pop (block_stack); | |
2582 | if (begin_symbolP == (symbolS *) 0) | |
2583 | as_warn ("mismatched .eb"); | |
2584 | else | |
2585 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
2586 | } | |
2587 | } | |
2588 | /* If we are able to identify the type of a function, and we | |
2589 | are out of a function (last_functionP == 0) then, the | |
2590 | function symbol will be associated with an auxiliary | |
2591 | entry. */ | |
2592 | if (last_functionP == (symbolS *) 0 && | |
2593 | SF_GET_FUNCTION (symbolP)) | |
2594 | { | |
2595 | last_functionP = symbolP; | |
2596 | ||
2597 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
2598 | { | |
2599 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
2600 | } /* make it at least 1 */ | |
2601 | ||
2602 | /* Clobber possible stale .dim information. */ | |
2603 | #if 0 | |
2604 | /* Iffed out by steve - this fries the lnnoptr info too */ | |
2605 | bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen, | |
2606 | sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen)); | |
2607 | #endif | |
2608 | } | |
2609 | /* The C_FCN doesn't need any additional information. I | |
2610 | don't even know if this is needed for sdb. But the | |
2611 | standard assembler generates it, so... */ | |
2612 | if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
2613 | { | |
2614 | if (last_functionP == (symbolS *) 0) | |
2615 | as_fatal ("C_EFCN symbol out of scope"); | |
2616 | SA_SET_SYM_FSIZE (last_functionP, | |
2617 | (long) (S_GET_VALUE (symbolP) - | |
2618 | S_GET_VALUE (last_functionP))); | |
2619 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
2620 | last_functionP = (symbolS *) 0; | |
2621 | } | |
2622 | } | |
2623 | } | |
2624 | else if (SF_GET_TAG (symbolP)) | |
2625 | { | |
2626 | /* First descriptor of a structure must point to | |
2627 | the first slot after the structure description. */ | |
2628 | last_tagP = symbolP; | |
2629 | ||
2630 | } | |
2631 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) | |
2632 | { | |
2633 | /* +2 take in account the current symbol */ | |
2634 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); | |
2635 | } | |
2636 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) | |
2637 | { | |
e5c5ce23 SC |
2638 | /* If the filename was too long to fit in the |
2639 | auxent, put it in the string table */ | |
2640 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0) | |
2641 | { | |
2642 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
2643 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
2644 | filename_list_scan = filename_list_scan->next; | |
2645 | } | |
2283f8a0 KR |
2646 | if (S_GET_VALUE (symbolP)) |
2647 | { | |
2648 | S_SET_VALUE (symbolP, last_file_symno); | |
2649 | last_file_symno = symbol_number; | |
2650 | } /* no one points at the first .file symbol */ | |
2651 | } /* if debug or tag or eos or file */ | |
2652 | ||
2653 | /* We must put the external symbols apart. The loader | |
2654 | does not bomb if we do not. But the references in | |
2655 | the endndx field for a .bb symbol are not corrected | |
2656 | if an external symbol is removed between .bb and .be. | |
2657 | I.e in the following case : | |
2658 | [20] .bb endndx = 22 | |
2659 | [21] foo external | |
2660 | [22] .be | |
2661 | ld will move the symbol 21 to the end of the list but | |
2662 | endndx will still be 22 instead of 21. */ | |
2663 | ||
2664 | ||
2665 | if (SF_GET_LOCAL (symbolP)) | |
2666 | { | |
2667 | /* remove C_EFCN and LOCAL (L...) symbols */ | |
2668 | /* next pointer remains valid */ | |
2669 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2670 | ||
2671 | } | |
2672 | else if (!S_IS_DEFINED (symbolP) | |
2673 | && !S_IS_DEBUG (symbolP) | |
2674 | && !SF_GET_STATICS (symbolP) && | |
2675 | S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2676 | { /* C_EXT && !SF_GET_FUNCTION(symbolP)) */ | |
2677 | /* if external, Remove from the list */ | |
2678 | symbolS *hold = symbol_previous (symbolP); | |
2679 | ||
2680 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2681 | symbol_clear_list_pointers (symbolP); | |
2682 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
2683 | symbolP = hold; | |
2684 | } | |
a91c6b08 ILT |
2685 | else if (! S_IS_DEBUG (symbolP) |
2686 | && ! SF_GET_STATICS (symbolP) | |
2687 | && ! SF_GET_FUNCTION (symbolP) | |
2688 | && S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2689 | { | |
2690 | symbolS *hold = symbol_previous (symbolP); | |
2691 | ||
2692 | /* The O'Reilly COFF book says that defined global symbols | |
2693 | come at the end of the symbol table, just before | |
2694 | undefined global symbols. */ | |
2695 | ||
2696 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2697 | symbol_clear_list_pointers (symbolP); | |
2698 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
2699 | &symbol_global_lastP); | |
2700 | symbolP = hold; | |
2701 | } | |
2283f8a0 KR |
2702 | else |
2703 | { | |
2704 | if (SF_GET_STRING (symbolP)) | |
2705 | { | |
2706 | symbolP->sy_name_offset = string_byte_count; | |
2707 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
2708 | } | |
2709 | else | |
2710 | { | |
2711 | symbolP->sy_name_offset = 0; | |
2712 | } /* fix "long" names */ | |
2713 | ||
2714 | symbolP->sy_number = symbol_number; | |
2715 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
2716 | } /* if local symbol */ | |
2717 | } /* traverse the symbol list */ | |
2718 | return symbol_number; | |
2719 | ||
2720 | } | |
2721 | ||
2722 | ||
2723 | static unsigned int | |
a91c6b08 ILT |
2724 | glue_symbols (head, tail) |
2725 | symbolS **head; | |
2726 | symbolS **tail; | |
2283f8a0 KR |
2727 | { |
2728 | unsigned int symbol_number = 0; | |
2729 | symbolS *symbolP; | |
a91c6b08 ILT |
2730 | |
2731 | for (symbolP = *head; *head != NULL;) | |
2283f8a0 | 2732 | { |
a91c6b08 | 2733 | symbolS *tmp = *head; |
2283f8a0 KR |
2734 | |
2735 | /* append */ | |
a91c6b08 | 2736 | symbol_remove (tmp, head, tail); |
2283f8a0 KR |
2737 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); |
2738 | ||
2739 | /* and process */ | |
2740 | if (SF_GET_STRING (tmp)) | |
2741 | { | |
2742 | tmp->sy_name_offset = string_byte_count; | |
2743 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
2744 | } | |
2745 | else | |
2746 | { | |
2747 | tmp->sy_name_offset = 0; | |
2748 | } /* fix "long" names */ | |
2749 | ||
2750 | tmp->sy_number = symbol_number; | |
2751 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
2752 | } /* append the entire extern chain */ | |
2283f8a0 | 2753 | |
a91c6b08 | 2754 | return symbol_number; |
2283f8a0 KR |
2755 | } |
2756 | ||
2757 | static unsigned int | |
2758 | tie_tags () | |
2759 | { | |
2760 | unsigned int symbol_number = 0; | |
2761 | ||
2762 | symbolS *symbolP; | |
2763 | for (symbolP = symbol_rootP; symbolP; symbolP = | |
2764 | symbol_next (symbolP)) | |
2765 | { | |
2766 | symbolP->sy_number = symbol_number; | |
2767 | ||
2768 | ||
2769 | ||
2770 | if (SF_GET_TAGGED (symbolP)) | |
2771 | { | |
2772 | SA_SET_SYM_TAGNDX | |
2773 | (symbolP, | |
2774 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
2775 | } | |
2776 | ||
2777 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
2778 | } | |
2779 | return symbol_number; | |
2780 | ||
2781 | } | |
2782 | ||
2783 | static void | |
2784 | crawl_symbols (h, abfd) | |
2785 | object_headers *h; | |
2786 | bfd * abfd; | |
2787 | { | |
2788 | unsigned int i; | |
2789 | ||
2790 | /* Initialize the stack used to keep track of the matching .bb .be */ | |
2791 | ||
2792 | block_stack = stack_init (512, sizeof (symbolS *)); | |
2793 | ||
2794 | /* The symbol list should be ordered according to the following sequence | |
2795 | * order : | |
2796 | * . .file symbol | |
2797 | * . debug entries for functions | |
2798 | * . fake symbols for the sections, including.text .data and .bss | |
2799 | * . defined symbols | |
2800 | * . undefined symbols | |
2801 | * But this is not mandatory. The only important point is to put the | |
2802 | * undefined symbols at the end of the list. | |
2803 | */ | |
2804 | ||
2805 | if (symbol_rootP == NULL | |
2806 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
2807 | { | |
2808 | c_dot_file_symbol ("fake"); | |
2809 | } | |
2810 | /* Is there a .file symbol ? If not insert one at the beginning. */ | |
2811 | ||
2812 | /* | |
2813 | * Build up static symbols for the sections, they are filled in later | |
2814 | */ | |
2815 | ||
2816 | ||
2817 | for (i = SEG_E0; i < SEG_E9; i++) | |
2818 | { | |
2819 | if (segment_info[i].scnhdr.s_name[0]) | |
2820 | { | |
2821 | char name[9]; | |
2822 | ||
2823 | strncpy (name, segment_info[i].scnhdr.s_name, 8); | |
2824 | name[8] = '\0'; | |
2825 | segment_info[i].dot = c_section_symbol (name, i - SEG_E0 + 1); | |
2826 | } | |
2827 | } | |
2828 | ||
2829 | ||
2830 | /* Take all the externals out and put them into another chain */ | |
2831 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); | |
2832 | /* Take the externals and glue them onto the end.*/ | |
a91c6b08 ILT |
2833 | H_SET_SYMBOL_TABLE_SIZE (h, |
2834 | (H_GET_SYMBOL_COUNT (h) | |
2835 | + glue_symbols (&symbol_globalP, | |
2836 | &symbol_global_lastP) | |
2837 | + glue_symbols (&symbol_externP, | |
2838 | &symbol_extern_lastP))); | |
2283f8a0 KR |
2839 | |
2840 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
a91c6b08 ILT |
2841 | know (symbol_globalP == NULL); |
2842 | know (symbol_global_lastP == NULL); | |
2283f8a0 KR |
2843 | know (symbol_externP == NULL); |
2844 | know (symbol_extern_lastP == NULL); | |
2845 | } | |
2846 | ||
2847 | /* | |
2848 | * Find strings by crawling along symbol table chain. | |
2849 | */ | |
2850 | ||
2851 | void | |
2852 | w_strings (where) | |
2853 | char *where; | |
2854 | { | |
2855 | symbolS *symbolP; | |
e5c5ce23 | 2856 | struct filename_list *filename_list_scan = filename_list_head; |
2283f8a0 KR |
2857 | |
2858 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ | |
2859 | md_number_to_chars (where, (valueT) string_byte_count, 4); | |
2860 | where += 4; | |
2861 | for (symbolP = symbol_rootP; | |
2862 | symbolP; | |
2863 | symbolP = symbol_next (symbolP)) | |
2864 | { | |
2865 | unsigned int size; | |
2866 | ||
2867 | if (SF_GET_STRING (symbolP)) | |
2868 | { | |
2869 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
2283f8a0 KR |
2870 | memcpy (where, S_GET_NAME (symbolP), size); |
2871 | where += size; | |
e5c5ce23 SC |
2872 | } |
2873 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
2874 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0) | |
2875 | { | |
2876 | size = strlen (filename_list_scan->filename) + 1; | |
2877 | memcpy (where, filename_list_scan->filename, size); | |
2878 | filename_list_scan = filename_list_scan ->next; | |
2879 | where += size; | |
2283f8a0 KR |
2880 | } |
2881 | } | |
2882 | } | |
2883 | ||
2884 | static void | |
2885 | do_linenos_for (abfd, h, file_cursor) | |
2886 | bfd * abfd; | |
2887 | object_headers * h; | |
2888 | unsigned long *file_cursor; | |
2889 | { | |
2890 | unsigned int idx; | |
2891 | unsigned long start = *file_cursor; | |
2892 | ||
2893 | for (idx = SEG_E0; idx < SEG_E9; idx++) | |
2894 | { | |
2895 | segment_info_type *s = segment_info + idx; | |
2896 | ||
2897 | ||
2898 | if (s->scnhdr.s_nlnno != 0) | |
2899 | { | |
2900 | struct lineno_list *line_ptr; | |
2901 | ||
2902 | struct external_lineno *buffer = | |
2903 | (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); | |
2904 | ||
2905 | struct external_lineno *dst = buffer; | |
2906 | ||
2907 | /* Run through the table we've built and turn it into its external | |
2908 | form, take this chance to remove duplicates */ | |
2909 | ||
2910 | for (line_ptr = s->lineno_list_head; | |
2911 | line_ptr != (struct lineno_list *) NULL; | |
2912 | line_ptr = line_ptr->next) | |
2913 | { | |
2914 | ||
2915 | if (line_ptr->line.l_lnno == 0) | |
2916 | { | |
2917 | /* Turn a pointer to a symbol into the symbols' index */ | |
2918 | line_ptr->line.l_addr.l_symndx = | |
2919 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
2920 | } | |
2921 | else | |
2922 | { | |
2923 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; | |
2924 | } | |
2925 | ||
2926 | ||
2927 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); | |
2928 | dst++; | |
2929 | ||
2930 | } | |
2931 | ||
2932 | s->scnhdr.s_lnnoptr = *file_cursor; | |
2933 | ||
2934 | bfd_write (buffer, 1, s->scnhdr.s_nlnno * LINESZ, abfd); | |
2935 | free (buffer); | |
2936 | ||
2937 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
2938 | } | |
2939 | } | |
2940 | H_SET_LINENO_SIZE (h, *file_cursor - start); | |
2941 | } | |
2942 | ||
2943 | ||
2944 | /* Now we run through the list of frag chains in a segment and | |
2945 | make all the subsegment frags appear at the end of the | |
2946 | list, as if the seg 0 was extra long */ | |
2947 | ||
2948 | static void | |
2949 | remove_subsegs () | |
2950 | { | |
2951 | unsigned int i; | |
2952 | ||
2953 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
2954 | { | |
2955 | frchainS *head = segment_info[i].frchainP; | |
2956 | fragS dummy; | |
2957 | fragS *prev_frag = &dummy; | |
2958 | ||
2959 | while (head && head->frch_seg == i) | |
2960 | { | |
2961 | prev_frag->fr_next = head->frch_root; | |
2962 | prev_frag = head->frch_last; | |
2963 | head = head->frch_next; | |
2964 | } | |
2965 | prev_frag->fr_next = 0; | |
2966 | } | |
2967 | } | |
2968 | ||
2969 | unsigned long machine; | |
2970 | int coff_flags; | |
2971 | extern void | |
2972 | write_object_file () | |
2973 | { | |
2974 | int i; | |
2975 | char *name; | |
2976 | struct frchain *frchain_ptr; | |
2977 | ||
2978 | object_headers headers; | |
2979 | unsigned long file_cursor; | |
2980 | bfd *abfd; | |
2981 | unsigned int addr; | |
2982 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
2983 | ||
2984 | ||
2985 | if (abfd == 0) | |
2986 | { | |
2987 | as_perror ("FATAL: Can't create %s", out_file_name); | |
460531da | 2988 | exit (EXIT_FAILURE); |
2283f8a0 KR |
2989 | } |
2990 | bfd_set_format (abfd, bfd_object); | |
2991 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
2992 | ||
2993 | string_byte_count = 4; | |
2994 | ||
2995 | for (frchain_ptr = frchain_root; | |
2996 | frchain_ptr != (struct frchain *) NULL; | |
2997 | frchain_ptr = frchain_ptr->frch_next) | |
2998 | { | |
eb4fd16f ILT |
2999 | /* Run through all the sub-segments and align them up. Also |
3000 | close any open frags. We tack a .fill onto the end of the | |
3001 | frag chain so that any .align's size can be worked by looking | |
3002 | at the next frag. */ | |
2283f8a0 KR |
3003 | |
3004 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); | |
3005 | #ifndef SUB_SEGMENT_ALIGN | |
3006 | #define SUB_SEGMENT_ALIGN(SEG) 1 | |
0fa6f8f6 ILT |
3007 | #endif |
3008 | #ifdef md_do_align | |
3009 | md_do_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE, alignment_done); | |
2283f8a0 KR |
3010 | #endif |
3011 | frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE); | |
0fa6f8f6 ILT |
3012 | #ifdef md_do_align |
3013 | alignment_done: | |
3014 | #endif | |
2283f8a0 KR |
3015 | frag_wane (frag_now); |
3016 | frag_now->fr_fix = 0; | |
3017 | know (frag_now->fr_next == NULL); | |
3018 | } | |
3019 | ||
3020 | ||
3021 | remove_subsegs (); | |
3022 | ||
3023 | ||
3024 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3025 | { | |
3026 | relax_segment (segment_info[i].frchainP->frch_root, i); | |
3027 | } | |
3028 | ||
3029 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); | |
3030 | ||
3031 | /* Find out how big the sections are, and set the addresses. */ | |
3032 | addr = 0; | |
3033 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3034 | { | |
3035 | long size; | |
3036 | ||
3037 | segment_info[i].scnhdr.s_paddr = addr; | |
3038 | segment_info[i].scnhdr.s_vaddr = addr; | |
3039 | ||
3040 | if (segment_info[i].scnhdr.s_name[0]) | |
3041 | { | |
3042 | H_SET_NUMBER_OF_SECTIONS (&headers, | |
3043 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
3044 | } | |
3045 | ||
3046 | size = size_section (abfd, (unsigned int) i); | |
3047 | addr += size; | |
3048 | ||
eb4fd16f ILT |
3049 | /* I think the section alignment is only used on the i960; the |
3050 | i960 needs it, and it should do no harm on other targets. */ | |
3051 | segment_info[i].scnhdr.s_align = section_alignment[i]; | |
3052 | ||
2283f8a0 KR |
3053 | if (i == SEG_E0) |
3054 | H_SET_TEXT_SIZE (&headers, size); | |
3055 | else if (i == SEG_E1) | |
3056 | H_SET_DATA_SIZE (&headers, size); | |
3057 | else if (i == SEG_E2) | |
3058 | H_SET_BSS_SIZE (&headers, size); | |
3059 | } | |
3060 | ||
3061 | /* Turn the gas native symbol table shape into a coff symbol table */ | |
3062 | crawl_symbols (&headers, abfd); | |
3063 | ||
3064 | if (string_byte_count == 4) | |
3065 | string_byte_count = 0; | |
3066 | ||
3067 | H_SET_STRING_SIZE (&headers, string_byte_count); | |
3068 | ||
a91c6b08 ILT |
3069 | #ifdef tc_frob_file |
3070 | tc_frob_file (); | |
3071 | #endif | |
3072 | ||
2283f8a0 KR |
3073 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
3074 | { | |
3075 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); | |
3076 | fixup_segment (&segment_info[i], i); | |
3077 | } | |
2283f8a0 KR |
3078 | |
3079 | /* Look for ".stab" segments and fill in their initial symbols | |
3080 | correctly. */ | |
3081 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3082 | { | |
3083 | name = segment_info[i].scnhdr.s_name; | |
3084 | ||
3085 | if (name != NULL | |
3086 | && strncmp (".stab", name, 5) == 0 | |
3087 | && strncmp (".stabstr", name, 8) != 0) | |
3088 | adjust_stab_section (abfd, i); | |
3089 | } | |
3090 | ||
3091 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); | |
3092 | ||
3093 | bfd_seek (abfd, (file_ptr) file_cursor, 0); | |
3094 | ||
3095 | /* Plant the data */ | |
3096 | ||
3097 | fill_section (abfd, &headers, &file_cursor); | |
3098 | ||
3099 | do_relocs_for (abfd, &headers, &file_cursor); | |
3100 | ||
3101 | do_linenos_for (abfd, &headers, &file_cursor); | |
3102 | ||
3103 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
3104 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
30355216 | 3105 | H_SET_TIME_STAMP (&headers, (long)time((time_t *)0)); |
2283f8a0 KR |
3106 | #else |
3107 | H_SET_TIME_STAMP (&headers, 0); | |
3108 | #endif | |
eb4fd16f ILT |
3109 | #ifdef TC_COFF_SET_MACHINE |
3110 | TC_COFF_SET_MACHINE (&headers); | |
3111 | #endif | |
2283f8a0 | 3112 | |
df0f11ff DE |
3113 | #ifndef COFF_FLAGS |
3114 | #define COFF_FLAGS 0 | |
3115 | #endif | |
3116 | ||
2283f8a0 KR |
3117 | #ifdef KEEP_RELOC_INFO |
3118 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3119 | COFF_FLAGS | coff_flags)); | |
3120 | #else | |
3121 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3122 | (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | | |
3123 | COFF_FLAGS | coff_flags)); | |
3124 | #endif | |
3125 | ||
3126 | { | |
3127 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
3128 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
3129 | ||
3130 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); | |
3131 | w_symbols (abfd, buffer1, symbol_rootP); | |
3132 | if (string_byte_count > 0) | |
3133 | w_strings (buffer1 + symtable_size); | |
3134 | bfd_write (buffer1, 1, symtable_size + string_byte_count, abfd); | |
3135 | free (buffer1); | |
3136 | } | |
3137 | ||
3138 | coff_header_append (abfd, &headers); | |
3139 | #if 0 | |
3140 | /* Recent changes to write need this, but where it should | |
3141 | go is up to Ken.. */ | |
3142 | if (bfd_close_all_done (abfd) == false) | |
3143 | as_fatal ("Can't close %s: %s", out_file_name, | |
3144 | bfd_errmsg (bfd_get_error ())); | |
3145 | #else | |
3146 | { | |
3147 | extern bfd *stdoutput; | |
3148 | stdoutput = abfd; | |
3149 | } | |
3150 | #endif | |
3151 | ||
3152 | } | |
3153 | ||
3154 | /* Add a new segment. This is called from subseg_new via the | |
3155 | obj_new_segment macro. */ | |
3156 | ||
3157 | segT | |
3158 | obj_coff_add_segment (name) | |
3159 | const char *name; | |
3160 | { | |
3161 | unsigned int len; | |
3162 | unsigned int i; | |
3163 | ||
3164 | /* Find out if we've already got a section of this name. */ | |
3165 | len = strlen (name); | |
3166 | if (len < sizeof (segment_info[i].scnhdr.s_name)) | |
3167 | ++len; | |
3168 | else | |
3169 | len = sizeof (segment_info[i].scnhdr.s_name); | |
3170 | for (i = SEG_E0; i < SEG_E9 && segment_info[i].scnhdr.s_name[0]; i++) | |
3171 | if (strncmp (segment_info[i].scnhdr.s_name, name, len) == 0 | |
3172 | && (len == sizeof (segment_info[i].scnhdr.s_name) | |
3173 | || segment_info[i].scnhdr.s_name[len] == '\0')) | |
3174 | return (segT) i; | |
3175 | ||
3176 | if (i == SEG_E9) | |
3177 | { | |
3178 | as_bad ("Too many new sections; can't add \"%s\"", name); | |
3179 | return now_seg; | |
3180 | } | |
3181 | ||
3182 | /* Add a new section. */ | |
3183 | strncpy (segment_info[i].scnhdr.s_name, name, | |
3184 | sizeof (segment_info[i].scnhdr.s_name)); | |
3185 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
3186 | ||
3187 | return (segT) i; | |
3188 | } | |
3189 | ||
3190 | /* | |
3191 | * implement the .section pseudo op: | |
3192 | * .section name {, "flags"} | |
3193 | * ^ ^ | |
3194 | * | +--- optional flags: 'b' for bss | |
3195 | * | 'i' for info | |
3196 | * +-- section name 'l' for lib | |
3197 | * 'n' for noload | |
3198 | * 'o' for over | |
3199 | * 'w' for data | |
3200 | * 'd' (apparently m88k for data) | |
3201 | * 'x' for text | |
3202 | * But if the argument is not a quoted string, treat it as a | |
3203 | * subsegment number. | |
3204 | */ | |
3205 | ||
3206 | void | |
3207 | obj_coff_section (ignore) | |
3208 | int ignore; | |
3209 | { | |
3210 | /* Strip out the section name */ | |
3211 | char *section_name; | |
3212 | char *section_name_end; | |
3213 | char c; | |
3214 | int argp; | |
3215 | unsigned int len; | |
3216 | unsigned int exp; | |
3217 | long flags; | |
3218 | ||
7ab1edc8 ILT |
3219 | if (flag_mri) |
3220 | { | |
3221 | char type; | |
3222 | ||
3223 | s_mri_sect (&type); | |
3224 | flags = 0; | |
3225 | if (type == 'C') | |
3226 | flags = STYP_TEXT; | |
3227 | else if (type == 'D') | |
3228 | flags = STYP_DATA; | |
3229 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3230 | ||
3231 | return; | |
3232 | } | |
3233 | ||
2283f8a0 KR |
3234 | section_name = input_line_pointer; |
3235 | c = get_symbol_end (); | |
3236 | section_name_end = input_line_pointer; | |
3237 | ||
3238 | len = section_name_end - section_name; | |
3239 | input_line_pointer++; | |
3240 | SKIP_WHITESPACE (); | |
3241 | ||
3242 | argp = 0; | |
3243 | if (c == ',') | |
3244 | argp = 1; | |
3245 | else if (*input_line_pointer == ',') | |
3246 | { | |
3247 | argp = 1; | |
3248 | ++input_line_pointer; | |
3249 | SKIP_WHITESPACE (); | |
3250 | } | |
3251 | ||
3252 | exp = 0; | |
3253 | flags = 0; | |
3254 | if (argp) | |
3255 | { | |
3256 | if (*input_line_pointer != '"') | |
3257 | exp = get_absolute_expression (); | |
3258 | else | |
3259 | { | |
3260 | ++input_line_pointer; | |
3261 | while (*input_line_pointer != '"' | |
3262 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3263 | { | |
3264 | switch (*input_line_pointer) | |
3265 | { | |
3266 | case 'b': flags |= STYP_BSS; break; | |
3267 | case 'i': flags |= STYP_INFO; break; | |
3268 | case 'l': flags |= STYP_LIB; break; | |
3269 | case 'n': flags |= STYP_NOLOAD; break; | |
3270 | case 'o': flags |= STYP_OVER; break; | |
3271 | case 'd': | |
3272 | case 'w': flags |= STYP_DATA; break; | |
3273 | case 'x': flags |= STYP_TEXT; break; | |
3274 | default: | |
3275 | as_warn("unknown section attribute '%c'", | |
3276 | *input_line_pointer); | |
3277 | break; | |
3278 | } | |
3279 | ++input_line_pointer; | |
3280 | } | |
3281 | if (*input_line_pointer == '"') | |
3282 | ++input_line_pointer; | |
3283 | } | |
3284 | } | |
3285 | ||
3286 | subseg_new (section_name, (subsegT) exp); | |
3287 | ||
3288 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3289 | ||
3290 | *section_name_end = c; | |
3291 | } | |
3292 | ||
3293 | ||
3294 | static void | |
3295 | obj_coff_text (ignore) | |
3296 | int ignore; | |
3297 | { | |
3298 | subseg_new (".text", get_absolute_expression ()); | |
3299 | } | |
3300 | ||
3301 | ||
3302 | static void | |
3303 | obj_coff_data (ignore) | |
3304 | int ignore; | |
3305 | { | |
def66e24 | 3306 | if (flag_readonly_data_in_text) |
2283f8a0 KR |
3307 | subseg_new (".text", get_absolute_expression () + 1000); |
3308 | else | |
3309 | subseg_new (".data", get_absolute_expression ()); | |
3310 | } | |
3311 | ||
3312 | static void | |
3313 | obj_coff_bss (ignore) | |
3314 | int ignore; | |
3315 | { | |
3316 | if (*input_line_pointer == '\n') /* .bss */ | |
3317 | subseg_new(".bss", get_absolute_expression()); | |
3318 | else /* .bss id,expr */ | |
3319 | obj_coff_lcomm(0); | |
3320 | } | |
3321 | ||
3322 | static void | |
3323 | obj_coff_ident (ignore) | |
3324 | int ignore; | |
3325 | { | |
3326 | segT current_seg = now_seg; /* save current seg */ | |
3327 | subsegT current_subseg = now_subseg; | |
3328 | subseg_new (".comment", 0); /* .comment seg */ | |
3329 | stringer (1); /* read string */ | |
3330 | subseg_set (current_seg, current_subseg); /* restore current seg */ | |
3331 | } | |
3332 | ||
3333 | void | |
3334 | c_symbol_merge (debug, normal) | |
3335 | symbolS *debug; | |
3336 | symbolS *normal; | |
3337 | { | |
3338 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
3339 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
3340 | ||
3341 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
3342 | { | |
3343 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
3344 | } /* take the most we have */ | |
3345 | ||
3346 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
3347 | { | |
3348 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], | |
3349 | (char *) &debug->sy_symbol.ost_auxent[0], | |
3350 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
3351 | } /* Move all the auxiliary information */ | |
3352 | ||
3353 | /* Move the debug flags. */ | |
3354 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
3355 | } /* c_symbol_merge() */ | |
3356 | ||
3357 | static int | |
3358 | c_line_new (symbol, paddr, line_number, frag) | |
3359 | symbolS * symbol; | |
3360 | long paddr; | |
eb4fd16f | 3361 | int line_number; |
2283f8a0 KR |
3362 | fragS * frag; |
3363 | { | |
3364 | struct lineno_list *new_line = | |
3365 | (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); | |
3366 | ||
3367 | segment_info_type *s = segment_info + now_seg; | |
3368 | new_line->line.l_lnno = line_number; | |
3369 | ||
3370 | if (line_number == 0) | |
3371 | { | |
3372 | last_line_symbol = symbol; | |
3373 | new_line->line.l_addr.l_symndx = (long) symbol; | |
3374 | } | |
3375 | else | |
3376 | { | |
3377 | new_line->line.l_addr.l_paddr = paddr; | |
3378 | } | |
3379 | ||
3380 | new_line->frag = (char *) frag; | |
3381 | new_line->next = (struct lineno_list *) NULL; | |
3382 | ||
3383 | ||
3384 | if (s->lineno_list_head == (struct lineno_list *) NULL) | |
3385 | { | |
3386 | s->lineno_list_head = new_line; | |
3387 | } | |
3388 | else | |
3389 | { | |
3390 | s->lineno_list_tail->next = new_line; | |
3391 | } | |
3392 | s->lineno_list_tail = new_line; | |
3393 | return LINESZ * s->scnhdr.s_nlnno++; | |
3394 | } | |
3395 | ||
3396 | void | |
3397 | c_dot_file_symbol (filename) | |
3398 | char *filename; | |
3399 | { | |
3400 | symbolS *symbolP; | |
3401 | ||
3402 | symbolP = symbol_new (".file", | |
3403 | SEG_DEBUG, | |
3404 | 0, | |
3405 | &zero_address_frag); | |
3406 | ||
3407 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
3408 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
e5c5ce23 SC |
3409 | |
3410 | if (strlen (filename) > FILNMLEN) | |
3411 | { | |
3412 | /* Filename is too long to fit into an auxent, | |
3413 | we stick it into the string table instead. We keep | |
3414 | a linked list of the filenames we find so we can emit | |
3415 | them later.*/ | |
0fa6f8f6 ILT |
3416 | struct filename_list *f = ((struct filename_list *) |
3417 | xmalloc (sizeof (struct filename_list))); | |
e5c5ce23 SC |
3418 | |
3419 | f->filename = filename; | |
3420 | f->next = 0; | |
3421 | ||
3422 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
3423 | SA_SET_FILE_FNAME_OFFSET (symbolP, 0); | |
3424 | ||
3425 | if (filename_list_tail) | |
3426 | filename_list_tail->next = f; | |
3427 | else | |
3428 | filename_list_head = f; | |
3429 | filename_list_tail = f; | |
3430 | } | |
3431 | else | |
3432 | { | |
3433 | SA_SET_FILE_FNAME (symbolP, filename); | |
3434 | } | |
2283f8a0 KR |
3435 | #ifndef NO_LISTING |
3436 | { | |
3437 | extern int listing; | |
3438 | if (listing) | |
3439 | { | |
3440 | listing_source_file (filename); | |
3441 | } | |
3442 | ||
3443 | } | |
3444 | ||
3445 | #endif | |
3446 | SF_SET_DEBUG (symbolP); | |
3447 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
3448 | ||
3449 | previous_file_symbol = symbolP; | |
3450 | ||
3451 | /* Make sure that the symbol is first on the symbol chain */ | |
3452 | if (symbol_rootP != symbolP) | |
3453 | { | |
3454 | if (symbolP == symbol_lastP) | |
3455 | { | |
3456 | symbol_lastP = symbol_lastP->sy_previous; | |
3457 | } /* if it was the last thing on the list */ | |
3458 | ||
3459 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3460 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
3461 | symbol_rootP = symbolP; | |
3462 | } /* if not first on the list */ | |
3463 | ||
3464 | } /* c_dot_file_symbol() */ | |
3465 | ||
3466 | /* | |
3467 | * Build a 'section static' symbol. | |
3468 | */ | |
3469 | ||
3470 | symbolS * | |
3471 | c_section_symbol (name, idx) | |
3472 | char *name; | |
3473 | int idx; | |
3474 | { | |
3475 | symbolS *symbolP; | |
3476 | ||
3477 | symbolP = symbol_new (name, idx, | |
3478 | 0, | |
3479 | &zero_address_frag); | |
3480 | ||
3481 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3482 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3483 | ||
3484 | SF_SET_STATICS (symbolP); | |
3485 | ||
3486 | return symbolP; | |
3487 | } /* c_section_symbol() */ | |
3488 | ||
3489 | static void | |
3490 | w_symbols (abfd, where, symbol_rootP) | |
3491 | bfd * abfd; | |
3492 | char *where; | |
3493 | symbolS * symbol_rootP; | |
3494 | { | |
3495 | symbolS *symbolP; | |
3496 | unsigned int i; | |
3497 | ||
3498 | /* First fill in those values we have only just worked out */ | |
3499 | for (i = SEG_E0; i < SEG_E9; i++) | |
3500 | { | |
3501 | symbolP = segment_info[i].dot; | |
3502 | if (symbolP) | |
3503 | { | |
2283f8a0 KR |
3504 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); |
3505 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
3506 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
2283f8a0 KR |
3507 | } |
3508 | } | |
3509 | ||
3510 | /* | |
3511 | * Emit all symbols left in the symbol chain. | |
3512 | */ | |
3513 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3514 | { | |
3515 | /* Used to save the offset of the name. It is used to point | |
3516 | to the string in memory but must be a file offset. */ | |
3517 | register char *temp; | |
3518 | ||
3519 | tc_coff_symbol_emit_hook (symbolP); | |
3520 | ||
3521 | temp = S_GET_NAME (symbolP); | |
3522 | if (SF_GET_STRING (symbolP)) | |
3523 | { | |
3524 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
3525 | S_SET_ZEROES (symbolP, 0); | |
3526 | } | |
3527 | else | |
3528 | { | |
3529 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
3530 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
3531 | } | |
3532 | where = symbol_to_chars (abfd, where, symbolP); | |
3533 | S_SET_NAME (symbolP, temp); | |
3534 | } | |
3535 | ||
3536 | } /* w_symbols() */ | |
3537 | ||
3538 | static void | |
3539 | obj_coff_lcomm (ignore) | |
3540 | int ignore; | |
3541 | { | |
3542 | s_lcomm(0); | |
3543 | return; | |
3544 | #if 0 | |
3545 | char *name; | |
3546 | char c; | |
3547 | int temp; | |
3548 | char *p; | |
3549 | ||
3550 | symbolS *symbolP; | |
3551 | ||
3552 | name = input_line_pointer; | |
3553 | ||
3554 | c = get_symbol_end (); | |
3555 | p = input_line_pointer; | |
3556 | *p = c; | |
3557 | SKIP_WHITESPACE (); | |
3558 | if (*input_line_pointer != ',') | |
3559 | { | |
3560 | as_bad ("Expected comma after name"); | |
3561 | ignore_rest_of_line (); | |
3562 | return; | |
3563 | } | |
3564 | if (*input_line_pointer == '\n') | |
3565 | { | |
3566 | as_bad ("Missing size expression"); | |
3567 | return; | |
3568 | } | |
3569 | input_line_pointer++; | |
3570 | if ((temp = get_absolute_expression ()) < 0) | |
3571 | { | |
3572 | as_warn ("lcomm length (%d.) <0! Ignored.", temp); | |
3573 | ignore_rest_of_line (); | |
3574 | return; | |
3575 | } | |
3576 | *p = 0; | |
3577 | ||
3578 | symbolP = symbol_find_or_make(name); | |
3579 | ||
3580 | if (S_GET_SEGMENT(symbolP) == SEG_UNKNOWN && | |
3581 | S_GET_VALUE(symbolP) == 0) | |
3582 | { | |
3583 | if (! need_pass_2) | |
3584 | { | |
3585 | char *p; | |
3586 | segT current_seg = now_seg; /* save current seg */ | |
3587 | subsegT current_subseg = now_subseg; | |
3588 | ||
3589 | subseg_set (SEG_E2, 1); | |
3590 | symbolP->sy_frag = frag_now; | |
3591 | p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP, | |
3592 | temp, (char *)0); | |
3593 | *p = 0; | |
3594 | subseg_set (current_seg, current_subseg); /* restore current seg */ | |
3595 | S_SET_SEGMENT(symbolP, SEG_E2); | |
3596 | S_SET_STORAGE_CLASS(symbolP, C_STAT); | |
3597 | } | |
3598 | } | |
3599 | else | |
3600 | as_bad("Symbol %s already defined", name); | |
3601 | ||
3602 | demand_empty_rest_of_line(); | |
3603 | #endif | |
3604 | } | |
3605 | ||
3606 | static void | |
3607 | fixup_mdeps (frags, h, this_segment) | |
3608 | fragS * frags; | |
3609 | object_headers * h; | |
3610 | segT this_segment; | |
3611 | { | |
3612 | subseg_change (this_segment, 0); | |
3613 | while (frags) | |
3614 | { | |
3615 | switch (frags->fr_type) | |
3616 | { | |
3617 | case rs_align: | |
3618 | case rs_org: | |
a91c6b08 ILT |
3619 | #ifdef HANDLE_ALIGN |
3620 | HANDLE_ALIGN (frags); | |
3621 | #endif | |
2283f8a0 KR |
3622 | frags->fr_type = rs_fill; |
3623 | frags->fr_offset = | |
3624 | (frags->fr_next->fr_address - frags->fr_address - frags->fr_fix); | |
3625 | break; | |
3626 | case rs_machine_dependent: | |
a91c6b08 | 3627 | md_convert_frag (h, this_segment, frags); |
2283f8a0 KR |
3628 | frag_wane (frags); |
3629 | break; | |
3630 | default: | |
3631 | ; | |
3632 | } | |
3633 | frags = frags->fr_next; | |
3634 | } | |
3635 | } | |
3636 | ||
3637 | #if 1 | |
a91c6b08 ILT |
3638 | |
3639 | #ifndef TC_FORCE_RELOCATION | |
3640 | #define TC_FORCE_RELOCATION(fix) 0 | |
3641 | #endif | |
3642 | ||
2283f8a0 KR |
3643 | static void |
3644 | fixup_segment (segP, this_segment_type) | |
3645 | segment_info_type * segP; | |
3646 | segT this_segment_type; | |
3647 | { | |
3648 | register fixS * fixP; | |
3649 | register symbolS *add_symbolP; | |
3650 | register symbolS *sub_symbolP; | |
1356d77d | 3651 | long add_number; |
2283f8a0 KR |
3652 | register int size; |
3653 | register char *place; | |
3654 | register long where; | |
3655 | register char pcrel; | |
3656 | register fragS *fragP; | |
3657 | register segT add_symbol_segment = absolute_section; | |
3658 | ||
d21041b3 SS |
3659 | if (linkrelax) |
3660 | return; | |
3661 | ||
2283f8a0 KR |
3662 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) |
3663 | { | |
3664 | fragP = fixP->fx_frag; | |
3665 | know (fragP); | |
3666 | where = fixP->fx_where; | |
3667 | place = fragP->fr_literal + where; | |
3668 | size = fixP->fx_size; | |
3669 | add_symbolP = fixP->fx_addsy; | |
3670 | #ifdef TC_I960 | |
eb4fd16f | 3671 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) |
2283f8a0 KR |
3672 | { |
3673 | /* Relocation should be done via the associated 'bal' entry | |
3674 | point symbol. */ | |
3675 | ||
eb4fd16f | 3676 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) |
2283f8a0 | 3677 | { |
eb4fd16f ILT |
3678 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3679 | "No 'bal' entry point for leafproc %s", | |
3680 | S_GET_NAME (add_symbolP)); | |
2283f8a0 KR |
3681 | continue; |
3682 | } | |
3683 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
3684 | } | |
3685 | #endif | |
3686 | sub_symbolP = fixP->fx_subsy; | |
3687 | add_number = fixP->fx_offset; | |
3688 | pcrel = fixP->fx_pcrel; | |
3689 | ||
e120d9fb ILT |
3690 | if (add_symbolP != NULL |
3691 | && add_symbolP->sy_mri_common) | |
1356d77d ILT |
3692 | { |
3693 | know (add_symbolP->sy_value.X_op == O_symbol); | |
3694 | add_number += S_GET_VALUE (add_symbolP); | |
3695 | fixP->fx_offset = add_number; | |
3696 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
3697 | } | |
3698 | ||
2283f8a0 KR |
3699 | if (add_symbolP) |
3700 | { | |
3701 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); | |
3702 | } /* if there is an addend */ | |
3703 | ||
3704 | if (sub_symbolP) | |
3705 | { | |
7ab1edc8 | 3706 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) |
2283f8a0 | 3707 | { |
7ab1edc8 ILT |
3708 | if (add_symbolP != NULL) |
3709 | { | |
3710 | add_number += S_GET_VALUE (add_symbolP); | |
3711 | add_symbolP = NULL; | |
3712 | fixP->fx_addsy = NULL; | |
3713 | } | |
3714 | ||
3715 | /* It's just -sym. */ | |
3716 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
3717 | { | |
3718 | add_number -= S_GET_VALUE (sub_symbolP); | |
3719 | fixP->fx_subsy = 0; | |
3720 | fixP->fx_done = 1; | |
3721 | } | |
3722 | else | |
2283f8a0 | 3723 | { |
7ab1edc8 | 3724 | #ifndef TC_M68K |
eb4fd16f ILT |
3725 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3726 | "Negative of non-absolute symbol %s", | |
3727 | S_GET_NAME (sub_symbolP)); | |
7ab1edc8 ILT |
3728 | #endif |
3729 | add_number -= S_GET_VALUE (sub_symbolP); | |
2283f8a0 KR |
3730 | } /* not absolute */ |
3731 | ||
2283f8a0 | 3732 | /* if sub_symbol is in the same segment that add_symbol |
7ab1edc8 | 3733 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE */ |
2283f8a0 | 3734 | } |
7ab1edc8 ILT |
3735 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment |
3736 | && SEG_NORMAL (add_symbol_segment)) | |
2283f8a0 KR |
3737 | { |
3738 | /* Difference of 2 symbols from same segment. Can't | |
3739 | make difference of 2 undefineds: 'value' means | |
3740 | something different for N_UNDF. */ | |
3741 | #ifdef TC_I960 | |
3742 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
3743 | as the target of a call instruction. */ | |
3744 | if (fixP->fx_tcbit) | |
3745 | { | |
eb4fd16f ILT |
3746 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3747 | "callj to difference of 2 symbols"); | |
2283f8a0 KR |
3748 | } |
3749 | #endif /* TC_I960 */ | |
3750 | add_number += S_GET_VALUE (add_symbolP) - | |
3751 | S_GET_VALUE (sub_symbolP); | |
2283f8a0 | 3752 | add_symbolP = NULL; |
a91c6b08 ILT |
3753 | |
3754 | if (!TC_FORCE_RELOCATION (fixP)) | |
3755 | { | |
3756 | fixP->fx_addsy = NULL; | |
3757 | fixP->fx_subsy = NULL; | |
3758 | fixP->fx_done = 1; | |
1356d77d ILT |
3759 | #ifdef TC_M68K /* is this right? */ |
3760 | pcrel = 0; | |
3761 | fixP->fx_pcrel = 0; | |
3762 | #endif | |
a91c6b08 | 3763 | } |
2283f8a0 KR |
3764 | } |
3765 | else | |
3766 | { | |
3767 | /* Different segments in subtraction. */ | |
3768 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); | |
3769 | ||
3770 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) | |
3771 | { | |
3772 | add_number -= S_GET_VALUE (sub_symbolP); | |
3773 | } | |
3774 | #ifdef DIFF_EXPR_OK | |
3775 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type | |
3776 | #if 0 /* Okay for 68k, at least... */ | |
3777 | && !pcrel | |
3778 | #endif | |
3779 | ) | |
3780 | { | |
3781 | /* Make it pc-relative. */ | |
3782 | add_number += (md_pcrel_from (fixP) | |
3783 | - S_GET_VALUE (sub_symbolP)); | |
3784 | pcrel = 1; | |
3785 | fixP->fx_pcrel = 1; | |
3786 | sub_symbolP = 0; | |
3787 | fixP->fx_subsy = 0; | |
3788 | } | |
3789 | #endif | |
3790 | else | |
3791 | { | |
eb4fd16f ILT |
3792 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3793 | "Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld.", | |
3794 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
3795 | S_GET_NAME (sub_symbolP), | |
3796 | (long) (fragP->fr_address + where)); | |
2283f8a0 KR |
3797 | } /* if absolute */ |
3798 | } | |
3799 | } /* if sub_symbolP */ | |
3800 | ||
3801 | if (add_symbolP) | |
3802 | { | |
3803 | if (add_symbol_segment == this_segment_type && pcrel) | |
3804 | { | |
3805 | /* | |
3806 | * This fixup was made when the symbol's segment was | |
3807 | * SEG_UNKNOWN, but it is now in the local segment. | |
3808 | * So we know how to do the address without relocation. | |
3809 | */ | |
3810 | #ifdef TC_I960 | |
3811 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
3812 | * in which cases it modifies *fixP as appropriate. In the case | |
3813 | * of a 'calls', no further work is required, and *fixP has been | |
3814 | * set up to make the rest of the code below a no-op. | |
3815 | */ | |
3816 | reloc_callj (fixP); | |
3817 | #endif /* TC_I960 */ | |
3818 | ||
3819 | add_number += S_GET_VALUE (add_symbolP); | |
3820 | add_number -= md_pcrel_from (fixP); | |
3821 | #if defined (TC_I386) || defined (TE_LYNX) | |
3822 | /* On the 386 we must adjust by the segment | |
3823 | vaddr as well. Ian Taylor. */ | |
3824 | add_number -= segP->scnhdr.s_vaddr; | |
3825 | #endif | |
3826 | pcrel = 0; /* Lie. Don't want further pcrel processing. */ | |
a91c6b08 ILT |
3827 | if (!TC_FORCE_RELOCATION (fixP)) |
3828 | { | |
3829 | fixP->fx_addsy = NULL; | |
3830 | fixP->fx_done = 1; | |
3831 | } | |
2283f8a0 KR |
3832 | } |
3833 | else | |
3834 | { | |
3835 | switch (add_symbol_segment) | |
3836 | { | |
3837 | case absolute_section: | |
3838 | #ifdef TC_I960 | |
3839 | reloc_callj (fixP); /* See comment about reloc_callj() above*/ | |
3840 | #endif /* TC_I960 */ | |
3841 | add_number += S_GET_VALUE (add_symbolP); | |
2283f8a0 | 3842 | add_symbolP = NULL; |
a91c6b08 ILT |
3843 | |
3844 | if (!TC_FORCE_RELOCATION (fixP)) | |
3845 | { | |
3846 | fixP->fx_addsy = NULL; | |
3847 | fixP->fx_done = 1; | |
3848 | } | |
2283f8a0 KR |
3849 | break; |
3850 | default: | |
3851 | ||
d21041b3 SS |
3852 | |
3853 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) | |
2283f8a0 KR |
3854 | /* This really should be handled in the linker, but |
3855 | backward compatibility forbids. */ | |
3856 | add_number += S_GET_VALUE (add_symbolP); | |
3857 | #else | |
3858 | add_number += S_GET_VALUE (add_symbolP) + | |
3859 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
3860 | #endif | |
3861 | break; | |
3862 | ||
3863 | case SEG_UNKNOWN: | |
3864 | #ifdef TC_I960 | |
3865 | if ((int) fixP->fx_bit_fixP == 13) | |
3866 | { | |
3867 | /* This is a COBR instruction. They have only a | |
3868 | * 13-bit displacement and are only to be used | |
3869 | * for local branches: flag as error, don't generate | |
3870 | * relocation. | |
3871 | */ | |
eb4fd16f ILT |
3872 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3873 | "can't use COBR format with external label"); | |
2283f8a0 KR |
3874 | fixP->fx_addsy = NULL; |
3875 | fixP->fx_done = 1; | |
3876 | continue; | |
3877 | } /* COBR */ | |
3878 | #endif /* TC_I960 */ | |
30355216 | 3879 | #if (defined (TC_I386) || defined (TE_LYNX)) && !defined(TE_PE) |
0eb1f9ce KR |
3880 | /* 386 COFF uses a peculiar format in which the |
3881 | value of a common symbol is stored in the .text | |
3882 | segment (I've checked this on SVR3.2 and SCO | |
3883 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
2283f8a0 KR |
3884 | if (S_IS_COMMON (add_symbolP)) |
3885 | add_number += S_GET_VALUE (add_symbolP); | |
3886 | #endif | |
3887 | break; | |
3888 | ||
3889 | ||
3890 | } /* switch on symbol seg */ | |
3891 | } /* if not in local seg */ | |
3892 | } /* if there was a + symbol */ | |
3893 | ||
3894 | if (pcrel) | |
3895 | { | |
d21041b3 | 3896 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) |
2283f8a0 KR |
3897 | /* This adjustment is not correct on the m88k, for which the |
3898 | linker does all the computation. */ | |
3899 | add_number -= md_pcrel_from (fixP); | |
3900 | #endif | |
3901 | if (add_symbolP == 0) | |
3902 | { | |
3903 | fixP->fx_addsy = &abs_symbol; | |
3904 | } /* if there's an add_symbol */ | |
3905 | #if defined (TC_I386) || defined (TE_LYNX) | |
3906 | /* On the 386 we must adjust by the segment vaddr | |
3907 | as well. Ian Taylor. */ | |
3908 | add_number -= segP->scnhdr.s_vaddr; | |
3909 | #endif | |
3910 | } /* if pcrel */ | |
3911 | ||
3912 | if (!fixP->fx_bit_fixP) | |
3913 | { | |
3914 | #ifndef TC_M88K | |
3915 | /* The m88k uses the offset field of the reloc to get around | |
3916 | this problem. */ | |
d675782a KR |
3917 | if ((size == 1 |
3918 | && (add_number & ~0xFF) | |
3919 | && ((add_number & ~0xFF) != (-1 & ~0xFF))) | |
3920 | || (size == 2 | |
3921 | && (add_number & ~0xFFFF) | |
3922 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF)))) | |
2283f8a0 | 3923 | { |
eb4fd16f ILT |
3924 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3925 | "Value of %ld too large for field of %d bytes at 0x%lx", | |
3926 | (long) add_number, size, | |
3927 | (unsigned long) (fragP->fr_address + where)); | |
d675782a | 3928 | } |
2283f8a0 KR |
3929 | #endif |
3930 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
0eb1f9ce KR |
3931 | /* Warn if a .word value is too large when treated as a |
3932 | signed number. We already know it is not too negative. | |
3933 | This is to catch over-large switches generated by gcc on | |
3934 | the 68k. */ | |
def66e24 | 3935 | if (!flag_signed_overflow_ok |
2283f8a0 KR |
3936 | && size == 2 |
3937 | && add_number > 0x7fff) | |
eb4fd16f ILT |
3938 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3939 | "Signed .word overflow; switch may be too large; %ld at 0x%lx", | |
3940 | (long) add_number, | |
3941 | (unsigned long) (fragP->fr_address + where)); | |
2283f8a0 KR |
3942 | #endif |
3943 | } /* not a bit fix */ | |
0eb1f9ce KR |
3944 | /* Once this fix has been applied, we don't have to output |
3945 | anything nothing more need be done. */ | |
a91c6b08 ILT |
3946 | #ifdef MD_APPLY_FIX3 |
3947 | md_apply_fix3 (fixP, &add_number, this_segment_type); | |
3948 | #else | |
2283f8a0 | 3949 | md_apply_fix (fixP, add_number); |
a91c6b08 | 3950 | #endif |
2283f8a0 KR |
3951 | } /* For each fixS in this segment. */ |
3952 | } /* fixup_segment() */ | |
3953 | ||
3954 | #endif | |
3955 | ||
3956 | /* The first entry in a .stab section is special. */ | |
3957 | ||
3958 | void | |
3959 | obj_coff_init_stab_section (seg) | |
3960 | segT seg; | |
3961 | { | |
3962 | char *file; | |
3963 | char *p; | |
3964 | char *stabstr_name; | |
3965 | unsigned int stroff; | |
3966 | ||
3967 | /* Make space for this first symbol. */ | |
3968 | p = frag_more (12); | |
3969 | /* Zero it out. */ | |
3970 | memset (p, 0, 12); | |
3971 | as_where (&file, (unsigned int *) NULL); | |
3972 | stabstr_name = (char *) alloca (strlen (segment_info[seg].scnhdr.s_name) + 4); | |
3973 | strcpy (stabstr_name, segment_info[seg].scnhdr.s_name); | |
3974 | strcat (stabstr_name, "str"); | |
3975 | stroff = get_stab_string_offset (file, stabstr_name); | |
3976 | know (stroff == 1); | |
3977 | md_number_to_chars (p, stroff, 4); | |
3978 | } | |
3979 | ||
3980 | /* Fill in the counts in the first entry in a .stab section. */ | |
3981 | ||
3982 | static void | |
3983 | adjust_stab_section(abfd, seg) | |
3984 | bfd *abfd; | |
3985 | segT seg; | |
3986 | { | |
3987 | segT stabstrseg = SEG_UNKNOWN; | |
3988 | char *secname, *name, *name2; | |
3989 | char *p = NULL; | |
3990 | int i, strsz = 0, nsyms; | |
3991 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
3992 | ||
3993 | /* Look for the associated string table section. */ | |
3994 | ||
3995 | secname = segment_info[seg].scnhdr.s_name; | |
3996 | name = (char *) alloca (strlen (secname) + 4); | |
3997 | strcpy (name, secname); | |
3998 | strcat (name, "str"); | |
3999 | ||
4000 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
4001 | { | |
4002 | name2 = segment_info[i].scnhdr.s_name; | |
4003 | if (name2 != NULL && strncmp(name2, name, 8) == 0) | |
4004 | { | |
4005 | stabstrseg = i; | |
4006 | break; | |
4007 | } | |
4008 | } | |
4009 | ||
4010 | /* If we found the section, get its size. */ | |
4011 | if (stabstrseg != SEG_UNKNOWN) | |
4012 | strsz = size_section (abfd, stabstrseg); | |
4013 | ||
4014 | nsyms = size_section (abfd, seg) / 12 - 1; | |
4015 | ||
4016 | /* Look for the first frag of sufficient size for the initial stab | |
4017 | symbol, and collect a pointer to it. */ | |
4018 | while (frag && frag->fr_fix < 12) | |
4019 | frag = frag->fr_next; | |
4020 | assert (frag != 0); | |
4021 | p = frag->fr_literal; | |
4022 | assert (p != 0); | |
4023 | ||
4024 | /* Write in the number of stab symbols and the size of the string | |
4025 | table. */ | |
4026 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); | |
4027 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
4028 | } | |
4029 | ||
2283f8a0 | 4030 | #endif /* not BFD_ASSEMBLER */ |
eb4fd16f ILT |
4031 | |
4032 | const pseudo_typeS obj_pseudo_table[] = | |
4033 | { | |
4034 | {"def", obj_coff_def, 0}, | |
4035 | {"dim", obj_coff_dim, 0}, | |
4036 | {"endef", obj_coff_endef, 0}, | |
4037 | {"line", obj_coff_line, 0}, | |
4038 | {"ln", obj_coff_ln, 0}, | |
4039 | {"appline", obj_coff_ln, 1}, | |
4040 | {"scl", obj_coff_scl, 0}, | |
4041 | {"size", obj_coff_size, 0}, | |
4042 | {"tag", obj_coff_tag, 0}, | |
4043 | {"type", obj_coff_type, 0}, | |
4044 | {"val", obj_coff_val, 0}, | |
4045 | {"section", obj_coff_section, 0}, | |
7ab1edc8 ILT |
4046 | {"sect", obj_coff_section, 0}, |
4047 | /* FIXME: We ignore the MRI short attribute. */ | |
4048 | {"section.s", obj_coff_section, 0}, | |
4049 | {"sect.s", obj_coff_section, 0}, | |
eb4fd16f ILT |
4050 | #ifndef BFD_ASSEMBLER |
4051 | {"use", obj_coff_section, 0}, | |
eb4fd16f ILT |
4052 | {"text", obj_coff_text, 0}, |
4053 | {"data", obj_coff_data, 0}, | |
4054 | {"bss", obj_coff_bss, 0}, | |
4055 | {"lcomm", obj_coff_lcomm, 0}, | |
4056 | {"ident", obj_coff_ident, 0}, | |
4057 | #else | |
4058 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
4059 | {"ident", s_ignore, 0}, /* we don't yet handle this. */ | |
4060 | #endif | |
4061 | {"ABORT", s_abort, 0}, | |
4062 | #ifdef TC_M88K | |
4063 | /* The m88k uses sdef instead of def. */ | |
4064 | {"sdef", obj_coff_def, 0}, | |
4065 | #endif | |
4066 | {NULL} /* end sentinel */ | |
4067 | }; /* obj_pseudo_table */ |