Commit | Line | Data |
---|---|---|
fecd2382 | 1 | /* coff object file format |
66b935da | 2 | Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 1996 |
055a75ef | 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 | 17 | You should have received a copy of the GNU General Public License |
ff406bd3 ILT |
18 | along with GAS; see the file COPYING. If not, write to the Free |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
fecd2382 | 21 | |
fecd2382 | 22 | #include "as.h" |
fecd2382 | 23 | #include "obstack.h" |
8fb85d50 | 24 | #include "subsegs.h" |
fecd2382 | 25 | |
460a34e8 KR |
26 | /* I think this is probably always correct. */ |
27 | #ifndef KEEP_RELOC_INFO | |
28 | #define KEEP_RELOC_INFO | |
29 | #endif | |
30 | ||
8fb85d50 | 31 | const char *s_get_name PARAMS ((symbolS * s)); |
355afbcd | 32 | static symbolS *def_symbol_in_progress; |
fecd2382 | 33 | |
8fb85d50 KR |
34 | \f |
35 | /* stack stuff */ | |
36 | typedef struct | |
37 | { | |
38 | unsigned long chunk_size; | |
39 | unsigned long element_size; | |
40 | unsigned long size; | |
41 | char *data; | |
42 | unsigned long pointer; | |
43 | } | |
44 | stack; | |
45 | ||
46 | static stack * | |
47 | stack_init (chunk_size, element_size) | |
48 | unsigned long chunk_size; | |
49 | unsigned long element_size; | |
50 | { | |
51 | stack *st; | |
52 | ||
53 | st = (stack *) malloc (sizeof (stack)); | |
54 | if (!st) | |
55 | return 0; | |
56 | st->data = malloc (chunk_size); | |
57 | if (!st->data) | |
58 | { | |
59 | free (st); | |
60 | return 0; | |
61 | } | |
62 | st->pointer = 0; | |
63 | st->size = chunk_size; | |
64 | st->chunk_size = chunk_size; | |
65 | st->element_size = element_size; | |
66 | return st; | |
67 | } | |
68 | ||
eb4fd16f ILT |
69 | #if 0 |
70 | /* Not currently used. */ | |
8fb85d50 KR |
71 | static void |
72 | stack_delete (st) | |
73 | stack *st; | |
74 | { | |
75 | free (st->data); | |
76 | free (st); | |
77 | } | |
eb4fd16f | 78 | #endif |
8fb85d50 KR |
79 | |
80 | static char * | |
81 | stack_push (st, element) | |
82 | stack *st; | |
83 | char *element; | |
84 | { | |
85 | if (st->pointer + st->element_size >= st->size) | |
86 | { | |
87 | st->size += st->chunk_size; | |
88 | if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) | |
89 | return (char *) 0; | |
90 | } | |
91 | memcpy (st->data + st->pointer, element, st->element_size); | |
92 | st->pointer += st->element_size; | |
93 | return st->data + st->pointer; | |
94 | } | |
95 | ||
96 | static char * | |
97 | stack_pop (st) | |
98 | stack *st; | |
99 | { | |
100 | if (st->pointer < st->element_size) | |
101 | { | |
102 | st->pointer = 0; | |
103 | return (char *) 0; | |
104 | } | |
105 | st->pointer -= st->element_size; | |
106 | return st->data + st->pointer; | |
107 | } | |
108 | \f | |
109 | /* | |
110 | * Maintain a list of the tagnames of the structres. | |
111 | */ | |
112 | ||
eb4fd16f ILT |
113 | static struct hash_control *tag_hash; |
114 | ||
8fb85d50 KR |
115 | static void |
116 | tag_init () | |
117 | { | |
118 | tag_hash = hash_new (); | |
119 | } | |
120 | ||
121 | static void | |
122 | tag_insert (name, symbolP) | |
123 | const char *name; | |
124 | symbolS *symbolP; | |
125 | { | |
126 | const char *error_string; | |
127 | ||
128 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
129 | { | |
130 | as_fatal ("Inserting \"%s\" into structure table failed: %s", | |
131 | name, error_string); | |
132 | } | |
133 | } | |
fecd2382 | 134 | |
eb4fd16f ILT |
135 | static symbolS * |
136 | tag_find (name) | |
137 | char *name; | |
138 | { | |
139 | #ifdef STRIP_UNDERSCORE | |
140 | if (*name == '_') | |
141 | name++; | |
142 | #endif /* STRIP_UNDERSCORE */ | |
143 | return (symbolS *) hash_find (tag_hash, name); | |
144 | } | |
145 | ||
8fb85d50 KR |
146 | static symbolS * |
147 | tag_find_or_make (name) | |
148 | char *name; | |
149 | { | |
150 | symbolS *symbolP; | |
151 | ||
152 | if ((symbolP = tag_find (name)) == NULL) | |
153 | { | |
154 | symbolP = symbol_new (name, undefined_section, | |
155 | 0, &zero_address_frag); | |
156 | ||
157 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
eb4fd16f | 158 | #ifdef BFD_ASSEMBLER |
8fb85d50 | 159 | symbol_table_insert (symbolP); |
eb4fd16f | 160 | #endif |
8fb85d50 KR |
161 | } /* not found */ |
162 | ||
163 | return symbolP; | |
164 | } | |
165 | ||
eb4fd16f ILT |
166 | |
167 | ||
168 | #ifdef BFD_ASSEMBLER | |
169 | ||
170 | static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *)); | |
171 | ||
85051959 ILT |
172 | #define GET_FILENAME_STRING(X) \ |
173 | ((char*)(&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) | |
fecd2382 | 174 | |
85051959 ILT |
175 | /* @@ Ick. */ |
176 | static segT | |
177 | fetch_coff_debug_section () | |
178 | { | |
179 | static segT debug_section; | |
180 | if (!debug_section) | |
181 | { | |
182 | CONST asymbol *s; | |
183 | s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0); | |
184 | assert (s != 0); | |
185 | debug_section = s->section; | |
186 | } | |
187 | return debug_section; | |
188 | } | |
189 | ||
055a75ef | 190 | void |
85051959 ILT |
191 | SA_SET_SYM_ENDNDX (sym, val) |
192 | symbolS *sym; | |
193 | symbolS *val; | |
194 | { | |
195 | combined_entry_type *entry, *p; | |
196 | ||
197 | entry = &coffsymbol (sym->bsym)->native[1]; | |
198 | p = coffsymbol (val->bsym)->native; | |
199 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; | |
200 | entry->fix_end = 1; | |
201 | } | |
202 | ||
203 | static void | |
204 | SA_SET_SYM_TAGNDX (sym, val) | |
205 | symbolS *sym; | |
206 | symbolS *val; | |
207 | { | |
208 | combined_entry_type *entry, *p; | |
209 | ||
210 | entry = &coffsymbol (sym->bsym)->native[1]; | |
211 | p = coffsymbol (val->bsym)->native; | |
212 | entry->u.auxent.x_sym.x_tagndx.p = p; | |
213 | entry->fix_tag = 1; | |
214 | } | |
215 | ||
98c6bbbe KR |
216 | static int |
217 | S_GET_DATA_TYPE (sym) | |
218 | symbolS *sym; | |
219 | { | |
220 | return coffsymbol (sym->bsym)->native->u.syment.n_type; | |
221 | } | |
222 | ||
055a75ef | 223 | int |
98c6bbbe KR |
224 | S_SET_DATA_TYPE (sym, val) |
225 | symbolS *sym; | |
226 | int val; | |
227 | { | |
228 | coffsymbol (sym->bsym)->native->u.syment.n_type = val; | |
229 | return val; | |
230 | } | |
231 | ||
232 | int | |
233 | S_GET_STORAGE_CLASS (sym) | |
234 | symbolS *sym; | |
235 | { | |
236 | return coffsymbol (sym->bsym)->native->u.syment.n_sclass; | |
237 | } | |
238 | ||
239 | int | |
240 | S_SET_STORAGE_CLASS (sym, val) | |
241 | symbolS *sym; | |
242 | int val; | |
243 | { | |
244 | coffsymbol (sym->bsym)->native->u.syment.n_sclass = val; | |
245 | return val; | |
246 | } | |
247 | ||
fecd2382 RP |
248 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
249 | ||
355afbcd KR |
250 | void |
251 | c_symbol_merge (debug, normal) | |
252 | symbolS *debug; | |
253 | symbolS *normal; | |
fecd2382 | 254 | { |
355afbcd KR |
255 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); |
256 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
257 | ||
258 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
85051959 ILT |
259 | /* take the most we have */ |
260 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
355afbcd KR |
261 | |
262 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
263 | { | |
85051959 | 264 | /* Move all the auxiliary information. */ |
85051959 ILT |
265 | /* @@ How many fields do we want to preserve? Would it make more |
266 | sense to pick and choose those we want to copy? Should look | |
267 | into this further.... [raeburn:19920512.2209EST] */ | |
268 | alent *linenos; | |
269 | linenos = coffsymbol (normal->bsym)->lineno; | |
270 | memcpy ((char *) &coffsymbol (normal->bsym)->native, | |
271 | (char *) &coffsymbol (debug->bsym)->native, | |
272 | S_GET_NUMBER_AUXILIARY(debug) * AUXESZ); | |
273 | coffsymbol (normal->bsym)->lineno = linenos; | |
85051959 | 274 | } |
355afbcd KR |
275 | |
276 | /* Move the debug flags. */ | |
277 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
98c6bbbe | 278 | } |
fecd2382 | 279 | |
355afbcd KR |
280 | void |
281 | c_dot_file_symbol (filename) | |
282 | char *filename; | |
fecd2382 | 283 | { |
355afbcd KR |
284 | symbolS *symbolP; |
285 | ||
4325bcb9 | 286 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
355afbcd KR |
287 | |
288 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
289 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
85051959 | 290 | |
85051959 | 291 | symbolP->bsym->flags = BSF_DEBUGGING; |
355afbcd KR |
292 | |
293 | #ifndef NO_LISTING | |
294 | { | |
295 | extern int listing; | |
296 | if (listing) | |
297 | { | |
298 | listing_source_file (filename); | |
299 | } | |
300 | } | |
301 | #endif | |
302 | ||
355afbcd KR |
303 | /* Make sure that the symbol is first on the symbol chain */ |
304 | if (symbol_rootP != symbolP) | |
305 | { | |
355afbcd KR |
306 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
307 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
355afbcd | 308 | } /* if not first on the list */ |
85051959 | 309 | } |
355afbcd | 310 | |
fecd2382 RP |
311 | /* Line number handling */ |
312 | ||
4325bcb9 KR |
313 | struct line_no { |
314 | struct line_no *next; | |
315 | fragS *frag; | |
316 | alent l; | |
317 | }; | |
318 | ||
257df791 | 319 | int coff_line_base; |
98c6bbbe | 320 | |
85051959 | 321 | /* Symbol of last function, which we should hang line#s off of. */ |
98c6bbbe KR |
322 | static symbolS *line_fsym; |
323 | ||
324 | #define in_function() (line_fsym != 0) | |
325 | #define clear_function() (line_fsym = 0) | |
257df791 | 326 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) |
85051959 | 327 | |
98c6bbbe | 328 | \f |
355afbcd KR |
329 | void |
330 | obj_symbol_new_hook (symbolP) | |
331 | symbolS *symbolP; | |
fecd2382 | 332 | { |
355afbcd KR |
333 | char underscore = 0; /* Symbol has leading _ */ |
334 | ||
85051959 ILT |
335 | { |
336 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
337 | char *s = (char *) bfd_alloc_by_size_t (stdoutput, sz); | |
338 | memset (s, 0, sz); | |
339 | coffsymbol (symbolP->bsym)->native = (combined_entry_type *) s; | |
340 | } | |
85051959 ILT |
341 | S_SET_DATA_TYPE (symbolP, T_NULL); |
342 | S_SET_STORAGE_CLASS (symbolP, 0); | |
343 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
355afbcd | 344 | |
355afbcd KR |
345 | if (S_IS_STRING (symbolP)) |
346 | SF_SET_STRING (symbolP); | |
347 | if (!underscore && S_IS_LOCAL (symbolP)) | |
348 | SF_SET_LOCAL (symbolP); | |
85051959 | 349 | } |
fecd2382 | 350 | |
98c6bbbe | 351 | \f |
fecd2382 RP |
352 | /* |
353 | * Handle .ln directives. | |
354 | */ | |
355 | ||
85051959 ILT |
356 | static symbolS *current_lineno_sym; |
357 | static struct line_no *line_nos; | |
4325bcb9 | 358 | /* @@ Blindly assume all .ln directives will be in the .text section... */ |
7ab1edc8 | 359 | int coff_n_line_nos; |
85051959 ILT |
360 | |
361 | static void | |
362 | add_lineno (frag, offset, num) | |
363 | fragS *frag; | |
364 | int offset; | |
365 | int num; | |
366 | { | |
367 | struct line_no *new_line = (struct line_no *) bfd_alloc_by_size_t (stdoutput, | |
368 | sizeof (struct line_no)); | |
369 | if (!current_lineno_sym) | |
370 | { | |
371 | abort (); | |
372 | } | |
373 | new_line->next = line_nos; | |
374 | new_line->frag = frag; | |
375 | new_line->l.line_number = num; | |
376 | new_line->l.u.offset = offset; | |
377 | line_nos = new_line; | |
7ab1edc8 | 378 | coff_n_line_nos++; |
85051959 ILT |
379 | } |
380 | ||
257df791 ILT |
381 | void |
382 | coff_add_linesym (sym) | |
85051959 ILT |
383 | symbolS *sym; |
384 | { | |
385 | if (line_nos) | |
386 | { | |
85051959 | 387 | coffsymbol (current_lineno_sym->bsym)->lineno = (alent *) line_nos; |
7ab1edc8 | 388 | coff_n_line_nos++; |
85051959 ILT |
389 | line_nos = 0; |
390 | } | |
391 | current_lineno_sym = sym; | |
392 | } | |
85051959 | 393 | |
355afbcd | 394 | static void |
85051959 ILT |
395 | obj_coff_ln (appline) |
396 | int appline; | |
355afbcd KR |
397 | { |
398 | int l; | |
85051959 ILT |
399 | |
400 | if (! appline && def_symbol_in_progress != NULL) | |
355afbcd KR |
401 | { |
402 | as_warn (".ln pseudo-op inside .def/.endef: ignored."); | |
403 | demand_empty_rest_of_line (); | |
404 | return; | |
85051959 | 405 | } |
355afbcd | 406 | |
85051959 | 407 | l = get_absolute_expression (); |
98c6bbbe KR |
408 | if (!appline) |
409 | { | |
98c6bbbe | 410 | add_lineno (frag_now, frag_now_fix (), l); |
98c6bbbe | 411 | } |
355afbcd KR |
412 | |
413 | #ifndef NO_LISTING | |
414 | { | |
415 | extern int listing; | |
416 | ||
417 | if (listing) | |
418 | { | |
85051959 | 419 | if (! appline) |
257df791 | 420 | l += coff_line_base - 1; |
85051959 | 421 | listing_source_line (l); |
355afbcd KR |
422 | } |
423 | } | |
424 | #endif | |
425 | ||
426 | demand_empty_rest_of_line (); | |
98c6bbbe | 427 | } |
fecd2382 RP |
428 | |
429 | /* | |
430 | * def() | |
431 | * | |
432 | * Handle .def directives. | |
433 | * | |
434 | * One might ask : why can't we symbol_new if the symbol does not | |
435 | * already exist and fill it with debug information. Because of | |
436 | * the C_EFCN special symbol. It would clobber the value of the | |
437 | * function symbol before we have a chance to notice that it is | |
438 | * a C_EFCN. And a second reason is that the code is more clear this | |
439 | * way. (at least I think it is :-). | |
440 | * | |
441 | */ | |
442 | ||
443 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
444 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a39116f1 RP |
445 | *input_line_pointer == '\t') \ |
446 | input_line_pointer++; | |
fecd2382 | 447 | |
355afbcd KR |
448 | static void |
449 | obj_coff_def (what) | |
450 | int what; | |
fecd2382 | 451 | { |
355afbcd KR |
452 | char name_end; /* Char after the end of name */ |
453 | char *symbol_name; /* Name of the debug symbol */ | |
454 | char *symbol_name_copy; /* Temporary copy of the name */ | |
455 | unsigned int symbol_name_length; | |
355afbcd KR |
456 | |
457 | if (def_symbol_in_progress != NULL) | |
458 | { | |
459 | as_warn (".def pseudo-op used inside of .def/.endef: ignored."); | |
460 | demand_empty_rest_of_line (); | |
461 | return; | |
462 | } /* if not inside .def/.endef */ | |
463 | ||
464 | SKIP_WHITESPACES (); | |
465 | ||
355afbcd | 466 | symbol_name = input_line_pointer; |
85051959 ILT |
467 | #ifdef STRIP_UNDERSCORE |
468 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
469 | symbol_name++; | |
470 | #endif /* STRIP_UNDERSCORE */ | |
471 | ||
355afbcd KR |
472 | name_end = get_symbol_end (); |
473 | symbol_name_length = strlen (symbol_name); | |
474 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
475 | strcpy (symbol_name_copy, symbol_name); | |
476 | ||
477 | /* Initialize the new symbol */ | |
85051959 | 478 | def_symbol_in_progress = symbol_make (symbol_name_copy); |
355afbcd | 479 | def_symbol_in_progress->sy_frag = &zero_address_frag; |
98c6bbbe | 480 | S_SET_VALUE (def_symbol_in_progress, 0); |
355afbcd KR |
481 | |
482 | if (S_IS_STRING (def_symbol_in_progress)) | |
85051959 | 483 | SF_SET_STRING (def_symbol_in_progress); |
355afbcd KR |
484 | |
485 | *input_line_pointer = name_end; | |
486 | ||
487 | demand_empty_rest_of_line (); | |
85051959 | 488 | } |
fecd2382 RP |
489 | |
490 | unsigned int dim_index; | |
1f029792 | 491 | |
355afbcd | 492 | static void |
8fb85d50 KR |
493 | obj_coff_endef (ignore) |
494 | int ignore; | |
355afbcd KR |
495 | { |
496 | symbolS *symbolP; | |
497 | /* DIM BUG FIX sac@cygnus.com */ | |
498 | dim_index = 0; | |
499 | if (def_symbol_in_progress == NULL) | |
500 | { | |
501 | as_warn (".endef pseudo-op used outside of .def/.endef: ignored."); | |
502 | demand_empty_rest_of_line (); | |
503 | return; | |
504 | } /* if not inside .def/.endef */ | |
505 | ||
506 | /* Set the section number according to storage class. */ | |
507 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) | |
508 | { | |
509 | case C_STRTAG: | |
510 | case C_ENTAG: | |
511 | case C_UNTAG: | |
512 | SF_SET_TAG (def_symbol_in_progress); | |
513 | /* intentional fallthrough */ | |
514 | case C_FILE: | |
515 | case C_TPDEF: | |
516 | SF_SET_DEBUG (def_symbol_in_progress); | |
85051959 | 517 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); |
355afbcd KR |
518 | break; |
519 | ||
520 | case C_EFCN: | |
521 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ | |
522 | /* intentional fallthrough */ | |
523 | case C_BLOCK: | |
524 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
525 | /* intentional fallthrough */ | |
526 | case C_FCN: | |
85051959 ILT |
527 | { |
528 | CONST char *name; | |
529 | S_SET_SEGMENT (def_symbol_in_progress, text_section); | |
355afbcd | 530 | |
85051959 | 531 | name = bfd_asymbol_name (def_symbol_in_progress->bsym); |
85051959 ILT |
532 | if (name[1] == 'b' && name[2] == 'f') |
533 | { | |
98c6bbbe | 534 | if (! in_function ()) |
85051959 | 535 | as_warn ("`%s' symbol without preceding function", name); |
98c6bbbe | 536 | /* SA_SET_SYM_LNNO (def_symbol_in_progress, 12345);*/ |
85051959 ILT |
537 | /* Will need relocating */ |
538 | SF_SET_PROCESS (def_symbol_in_progress); | |
98c6bbbe | 539 | clear_function (); |
85051959 ILT |
540 | } |
541 | } | |
355afbcd KR |
542 | break; |
543 | ||
fecd2382 | 544 | #ifdef C_AUTOARG |
355afbcd | 545 | case C_AUTOARG: |
fecd2382 | 546 | #endif /* C_AUTOARG */ |
355afbcd KR |
547 | case C_AUTO: |
548 | case C_REG: | |
355afbcd KR |
549 | case C_ARG: |
550 | case C_REGPARM: | |
551 | case C_FIELD: | |
355afbcd | 552 | SF_SET_DEBUG (def_symbol_in_progress); |
85051959 | 553 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
355afbcd KR |
554 | break; |
555 | ||
e789e620 ILT |
556 | case C_MOS: |
557 | case C_MOE: | |
558 | case C_MOU: | |
559 | case C_EOS: | |
560 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
561 | break; | |
562 | ||
355afbcd KR |
563 | case C_EXT: |
564 | case C_STAT: | |
565 | case C_LABEL: | |
566 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
567 | break; | |
568 | ||
569 | case C_USTATIC: | |
570 | case C_EXTDEF: | |
571 | case C_ULABEL: | |
85051959 ILT |
572 | as_warn ("unexpected storage class %d", |
573 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
355afbcd KR |
574 | break; |
575 | } /* switch on storage class */ | |
576 | ||
85051959 ILT |
577 | /* Now that we have built a debug symbol, try to find if we should |
578 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
579 | SEG_ABSOLUTE or untagged SEG_DEBUG it never merges. */ | |
580 | ||
581 | /* Two cases for functions. Either debug followed by definition or | |
582 | definition followed by debug. For definition first, we will | |
583 | merge the debug symbol into the definition. For debug first, the | |
584 | lineno entry MUST point to the definition function or else it | |
585 | will point off into space when obj_crawl_symbol_chain() merges | |
586 | the debug symbol into the real symbol. Therefor, let's presume | |
587 | the debug symbol is a real function reference. */ | |
588 | ||
589 | /* FIXME-SOON If for some reason the definition label/symbol is | |
590 | never seen, this will probably leave an undefined symbol at link | |
591 | time. */ | |
355afbcd KR |
592 | |
593 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
85051959 ILT |
594 | || (!strcmp (bfd_get_section_name (stdoutput, |
595 | S_GET_SEGMENT (def_symbol_in_progress)), | |
596 | "*DEBUG*") | |
597 | && !SF_GET_TAG (def_symbol_in_progress)) | |
85051959 | 598 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section |
355afbcd KR |
599 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL) |
600 | { | |
85051959 ILT |
601 | if (def_symbol_in_progress != symbol_lastP) |
602 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
603 | &symbol_lastP); | |
355afbcd KR |
604 | } |
605 | else | |
606 | { | |
85051959 ILT |
607 | /* This symbol already exists, merge the newly created symbol |
608 | into the old one. This is not mandatory. The linker can | |
609 | handle duplicate symbols correctly. But I guess that it save | |
610 | a *lot* of space if the assembly file defines a lot of | |
611 | symbols. [loic] */ | |
355afbcd | 612 | |
85051959 ILT |
613 | /* The debug entry (def_symbol_in_progress) is merged into the |
614 | previous definition. */ | |
355afbcd KR |
615 | |
616 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
e789e620 ILT |
617 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
618 | ||
355afbcd KR |
619 | def_symbol_in_progress = symbolP; |
620 | ||
621 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
ab299844 ILT |
622 | || SF_GET_TAG (def_symbol_in_progress) |
623 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
355afbcd | 624 | { |
ab299844 ILT |
625 | /* For functions, and tags, and static symbols, the symbol |
626 | *must* be where the debug symbol appears. Move the | |
627 | existing symbol to the current place. */ | |
355afbcd KR |
628 | /* If it already is at the end of the symbol list, do nothing */ |
629 | if (def_symbol_in_progress != symbol_lastP) | |
630 | { | |
631 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
632 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
85051959 ILT |
633 | } |
634 | } | |
635 | } | |
355afbcd | 636 | |
e789e620 | 637 | if (SF_GET_TAG (def_symbol_in_progress)) |
355afbcd | 638 | { |
e789e620 ILT |
639 | symbolS *oldtag; |
640 | ||
641 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
642 | DO_NOT_STRIP); | |
643 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
644 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
645 | def_symbol_in_progress); | |
85051959 | 646 | } |
355afbcd KR |
647 | |
648 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
649 | { | |
650 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
98c6bbbe | 651 | set_function (def_symbol_in_progress); |
355afbcd KR |
652 | SF_SET_PROCESS (def_symbol_in_progress); |
653 | ||
654 | if (symbolP == NULL) | |
655 | { | |
85051959 ILT |
656 | /* That is, if this is the first time we've seen the |
657 | function... */ | |
355afbcd | 658 | symbol_table_insert (def_symbol_in_progress); |
98c6bbbe KR |
659 | } /* definition follows debug */ |
660 | } /* Create the line number entry pointing to the function being defined */ | |
355afbcd KR |
661 | |
662 | def_symbol_in_progress = NULL; | |
663 | demand_empty_rest_of_line (); | |
85051959 | 664 | } |
355afbcd KR |
665 | |
666 | static void | |
8fb85d50 KR |
667 | obj_coff_dim (ignore) |
668 | int ignore; | |
355afbcd | 669 | { |
98c6bbbe | 670 | int dim_index; |
355afbcd KR |
671 | |
672 | if (def_symbol_in_progress == NULL) | |
673 | { | |
674 | as_warn (".dim pseudo-op used outside of .def/.endef: ignored."); | |
675 | demand_empty_rest_of_line (); | |
676 | return; | |
677 | } /* if not inside .def/.endef */ | |
678 | ||
679 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
680 | ||
681 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
682 | { | |
683 | SKIP_WHITESPACES (); | |
98c6bbbe KR |
684 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, |
685 | get_absolute_expression ()); | |
355afbcd KR |
686 | |
687 | switch (*input_line_pointer) | |
688 | { | |
355afbcd KR |
689 | case ',': |
690 | input_line_pointer++; | |
691 | break; | |
692 | ||
693 | default: | |
694 | as_warn ("badly formed .dim directive ignored"); | |
695 | /* intentional fallthrough */ | |
696 | case '\n': | |
697 | case ';': | |
698 | dim_index = DIMNUM; | |
699 | break; | |
98c6bbbe KR |
700 | } |
701 | } | |
355afbcd KR |
702 | |
703 | demand_empty_rest_of_line (); | |
98c6bbbe | 704 | } |
355afbcd KR |
705 | |
706 | static void | |
8fb85d50 KR |
707 | obj_coff_line (ignore) |
708 | int ignore; | |
355afbcd KR |
709 | { |
710 | int this_base; | |
711 | ||
712 | if (def_symbol_in_progress == NULL) | |
713 | { | |
98c6bbbe | 714 | /* Probably stabs-style line? */ |
85051959 | 715 | obj_coff_ln (0); |
355afbcd | 716 | return; |
98c6bbbe | 717 | } |
355afbcd KR |
718 | |
719 | this_base = get_absolute_expression (); | |
4325bcb9 | 720 | if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress))) |
257df791 | 721 | coff_line_base = this_base; |
355afbcd KR |
722 | |
723 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
257df791 | 724 | SA_SET_SYM_LNNO (def_symbol_in_progress, coff_line_base); |
355afbcd KR |
725 | |
726 | demand_empty_rest_of_line (); | |
3f8416d5 ILT |
727 | |
728 | #ifndef NO_LISTING | |
729 | if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0) | |
730 | { | |
731 | extern int listing; | |
732 | ||
733 | if (listing) | |
734 | listing_source_line ((unsigned int) coff_line_base); | |
735 | } | |
736 | #endif | |
98c6bbbe | 737 | } |
355afbcd KR |
738 | |
739 | static void | |
8fb85d50 KR |
740 | obj_coff_size (ignore) |
741 | int ignore; | |
355afbcd KR |
742 | { |
743 | if (def_symbol_in_progress == NULL) | |
744 | { | |
745 | as_warn (".size pseudo-op used outside of .def/.endef ignored."); | |
746 | demand_empty_rest_of_line (); | |
747 | return; | |
748 | } /* if not inside .def/.endef */ | |
749 | ||
750 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
751 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
752 | demand_empty_rest_of_line (); | |
98c6bbbe | 753 | } |
355afbcd KR |
754 | |
755 | static void | |
8fb85d50 KR |
756 | obj_coff_scl (ignore) |
757 | int ignore; | |
355afbcd KR |
758 | { |
759 | if (def_symbol_in_progress == NULL) | |
760 | { | |
761 | as_warn (".scl pseudo-op used outside of .def/.endef ignored."); | |
762 | demand_empty_rest_of_line (); | |
763 | return; | |
764 | } /* if not inside .def/.endef */ | |
765 | ||
766 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
767 | demand_empty_rest_of_line (); | |
98c6bbbe | 768 | } |
355afbcd KR |
769 | |
770 | static void | |
8fb85d50 KR |
771 | obj_coff_tag (ignore) |
772 | int ignore; | |
a39116f1 | 773 | { |
355afbcd KR |
774 | char *symbol_name; |
775 | char name_end; | |
776 | ||
777 | if (def_symbol_in_progress == NULL) | |
778 | { | |
779 | as_warn (".tag pseudo-op used outside of .def/.endef ignored."); | |
780 | demand_empty_rest_of_line (); | |
781 | return; | |
98c6bbbe | 782 | } |
355afbcd KR |
783 | |
784 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
785 | symbol_name = input_line_pointer; | |
786 | name_end = get_symbol_end (); | |
787 | ||
98c6bbbe KR |
788 | /* Assume that the symbol referred to by .tag is always defined. |
789 | This was a bad assumption. I've added find_or_make. xoxorich. */ | |
85051959 | 790 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
98c6bbbe | 791 | tag_find_or_make (symbol_name)); |
355afbcd KR |
792 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) |
793 | { | |
794 | as_warn ("tag not found for .tag %s", symbol_name); | |
795 | } /* not defined */ | |
796 | ||
797 | SF_SET_TAGGED (def_symbol_in_progress); | |
798 | *input_line_pointer = name_end; | |
799 | ||
800 | demand_empty_rest_of_line (); | |
98c6bbbe | 801 | } |
355afbcd KR |
802 | |
803 | static void | |
8fb85d50 KR |
804 | obj_coff_type (ignore) |
805 | int ignore; | |
355afbcd KR |
806 | { |
807 | if (def_symbol_in_progress == NULL) | |
808 | { | |
809 | as_warn (".type 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_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
815 | ||
816 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
817 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
818 | { | |
819 | SF_SET_FUNCTION (def_symbol_in_progress); | |
820 | } /* is a function */ | |
821 | ||
822 | demand_empty_rest_of_line (); | |
98c6bbbe | 823 | } |
355afbcd KR |
824 | |
825 | static void | |
8fb85d50 KR |
826 | obj_coff_val (ignore) |
827 | int ignore; | |
355afbcd KR |
828 | { |
829 | if (def_symbol_in_progress == NULL) | |
830 | { | |
831 | as_warn (".val pseudo-op used outside of .def/.endef ignored."); | |
832 | demand_empty_rest_of_line (); | |
833 | return; | |
834 | } /* if not inside .def/.endef */ | |
835 | ||
836 | if (is_name_beginner (*input_line_pointer)) | |
837 | { | |
838 | char *symbol_name = input_line_pointer; | |
839 | char name_end = get_symbol_end (); | |
840 | ||
841 | if (!strcmp (symbol_name, ".")) | |
842 | { | |
843 | def_symbol_in_progress->sy_frag = frag_now; | |
8fb85d50 | 844 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
355afbcd KR |
845 | /* If the .val is != from the .def (e.g. statics) */ |
846 | } | |
847 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
848 | { | |
98c6bbbe | 849 | def_symbol_in_progress->sy_value.X_op = O_symbol; |
5868b1fe ILT |
850 | def_symbol_in_progress->sy_value.X_add_symbol = |
851 | symbol_find_or_make (symbol_name); | |
98c6bbbe | 852 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; |
5868b1fe | 853 | def_symbol_in_progress->sy_value.X_add_number = 0; |
5868b1fe ILT |
854 | |
855 | /* If the segment is undefined when the forward reference is | |
856 | resolved, then copy the segment id from the forward | |
857 | symbol. */ | |
355afbcd KR |
858 | SF_SET_GET_SEGMENT (def_symbol_in_progress); |
859 | } | |
860 | /* Otherwise, it is the name of a non debug symbol and its value will be calculated later. */ | |
861 | *input_line_pointer = name_end; | |
862 | } | |
863 | else | |
864 | { | |
865 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
866 | } /* if symbol based */ | |
867 | ||
868 | demand_empty_rest_of_line (); | |
98c6bbbe | 869 | } |
fecd2382 | 870 | |
355afbcd KR |
871 | void |
872 | obj_read_begin_hook () | |
873 | { | |
874 | /* These had better be the same. Usually 18 bytes. */ | |
57574979 | 875 | #ifndef BFD_HEADERS |
355afbcd KR |
876 | know (sizeof (SYMENT) == sizeof (AUXENT)); |
877 | know (SYMESZ == AUXESZ); | |
57574979 | 878 | #endif |
355afbcd | 879 | tag_init (); |
85051959 | 880 | } |
fecd2382 | 881 | |
85051959 | 882 | |
055a75ef | 883 | symbolS *coff_last_function; |
ff406bd3 | 884 | static symbolS *coff_last_bf; |
055a75ef | 885 | |
85051959 | 886 | void |
98c6bbbe | 887 | coff_frob_symbol (symp, punt) |
85051959 ILT |
888 | symbolS *symp; |
889 | int *punt; | |
890 | { | |
055a75ef | 891 | static symbolS *last_tagP; |
85051959 | 892 | static stack *block_stack; |
055a75ef | 893 | static symbolS *set_end; |
7ab1edc8 | 894 | symbolS *next_set_end = NULL; |
055a75ef KR |
895 | |
896 | if (symp == &abs_symbol) | |
897 | { | |
898 | *punt = 1; | |
899 | return; | |
900 | } | |
85051959 | 901 | |
98c6bbbe | 902 | if (current_lineno_sym) |
257df791 | 903 | coff_add_linesym ((symbolS *) 0); |
98c6bbbe | 904 | |
85051959 ILT |
905 | if (!block_stack) |
906 | block_stack = stack_init (512, sizeof (symbolS*)); | |
907 | ||
85051959 ILT |
908 | if (!S_IS_DEFINED (symp) && S_GET_STORAGE_CLASS (symp) != C_STAT) |
909 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
85051959 ILT |
910 | |
911 | if (!SF_GET_DEBUG (symp)) | |
912 | { | |
913 | symbolS *real; | |
914 | if (!SF_GET_LOCAL (symp) | |
d4d7d98c | 915 | && !SF_GET_STATICS (symp) |
85051959 ILT |
916 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) |
917 | && real != symp) | |
918 | { | |
919 | c_symbol_merge (symp, real); | |
920 | *punt = 1; | |
921 | } | |
922 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) | |
923 | { | |
924 | assert (S_GET_VALUE (symp) == 0); | |
925 | S_SET_EXTERNAL (symp); | |
926 | } | |
927 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
928 | { | |
eb4fd16f ILT |
929 | if (S_GET_SEGMENT (symp) == text_section |
930 | && symp != seg_info (text_section)->sym) | |
85051959 ILT |
931 | S_SET_STORAGE_CLASS (symp, C_LABEL); |
932 | else | |
933 | S_SET_STORAGE_CLASS (symp, C_STAT); | |
934 | } | |
935 | if (SF_GET_PROCESS (symp)) | |
936 | { | |
937 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
938 | { | |
939 | if (!strcmp (S_GET_NAME (symp), ".bb")) | |
940 | stack_push (block_stack, (char *) &symp); | |
941 | else | |
942 | { | |
943 | symbolS *begin; | |
944 | begin = *(symbolS **) stack_pop (block_stack); | |
945 | if (begin == 0) | |
946 | as_warn ("mismatched .eb"); | |
947 | else | |
7ab1edc8 | 948 | next_set_end = begin; |
85051959 ILT |
949 | } |
950 | } | |
055a75ef | 951 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
85051959 ILT |
952 | { |
953 | union internal_auxent *auxp; | |
055a75ef | 954 | coff_last_function = symp; |
85051959 ILT |
955 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) |
956 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
957 | auxp = &coffsymbol (symp->bsym)->native[1].u.auxent; | |
958 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, | |
959 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
960 | } | |
961 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) | |
962 | { | |
055a75ef | 963 | if (coff_last_function == 0) |
85051959 | 964 | as_fatal ("C_EFCN symbol out of scope"); |
055a75ef | 965 | SA_SET_SYM_FSIZE (coff_last_function, |
85051959 | 966 | (long) (S_GET_VALUE (symp) |
055a75ef | 967 | - S_GET_VALUE (coff_last_function))); |
7ab1edc8 | 968 | next_set_end = coff_last_function; |
055a75ef | 969 | coff_last_function = 0; |
85051959 ILT |
970 | } |
971 | } | |
98c6bbbe KR |
972 | if (S_IS_EXTERNAL (symp)) |
973 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
974 | else if (SF_GET_LOCAL (symp)) | |
85051959 | 975 | *punt = 1; |
a91c6b08 ILT |
976 | |
977 | if (SF_GET_FUNCTION (symp)) | |
978 | symp->bsym->flags |= BSF_FUNCTION; | |
979 | ||
85051959 ILT |
980 | /* more ... */ |
981 | } | |
055a75ef | 982 | |
e789e620 ILT |
983 | if (SF_GET_TAG (symp)) |
984 | last_tagP = symp; | |
985 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
986 | next_set_end = last_tagP; | |
e789e620 | 987 | |
7ab1edc8 ILT |
988 | #ifdef OBJ_XCOFF |
989 | /* This is pretty horrible, but we have to set *punt correctly in | |
990 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
991 | if (! symp->sy_used_in_reloc | |
992 | && ((symp->bsym->flags & BSF_SECTION_SYM) != 0 | |
993 | || (! S_IS_EXTERNAL (symp) | |
994 | && ! symp->sy_tc.output | |
995 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) | |
996 | *punt = 1; | |
997 | #endif | |
998 | ||
055a75ef | 999 | if (set_end != (symbolS *) NULL |
e789e620 ILT |
1000 | && ! *punt |
1001 | && ((symp->bsym->flags & BSF_NOT_AT_END) != 0 | |
1002 | || (S_IS_DEFINED (symp) | |
1003 | && ! S_IS_COMMON (symp) | |
1004 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
055a75ef KR |
1005 | { |
1006 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1007 | set_end = NULL; | |
1008 | } | |
1009 | ||
7ab1edc8 ILT |
1010 | if (next_set_end != NULL |
1011 | && ! *punt) | |
1012 | set_end = next_set_end; | |
1013 | ||
ff406bd3 ILT |
1014 | if (! *punt |
1015 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
1016 | && strcmp (S_GET_NAME (symp), ".bf") == 0) | |
1017 | { | |
1018 | if (coff_last_bf != NULL) | |
1019 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1020 | coff_last_bf = symp; | |
1021 | } | |
1022 | ||
85051959 ILT |
1023 | if (coffsymbol (symp->bsym)->lineno) |
1024 | { | |
d675782a | 1025 | int i; |
85051959 ILT |
1026 | struct line_no *lptr; |
1027 | alent *l; | |
1028 | ||
1029 | lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno; | |
1030 | for (i = 0; lptr; lptr = lptr->next) | |
1031 | i++; | |
85051959 | 1032 | lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno; |
d675782a KR |
1033 | |
1034 | /* We need i entries for line numbers, plus 1 for the first | |
1035 | entry which BFD will override, plus 1 for the last zero | |
1036 | entry (a marker for BFD). */ | |
1037 | l = (alent *) bfd_alloc_by_size_t (stdoutput, (i + 2) * sizeof (alent)); | |
85051959 | 1038 | coffsymbol (symp->bsym)->lineno = l; |
d675782a KR |
1039 | l[i + 1].line_number = 0; |
1040 | l[i + 1].u.sym = NULL; | |
1041 | for (; i > 0; i--) | |
85051959 ILT |
1042 | { |
1043 | if (lptr->frag) | |
1044 | lptr->l.u.offset += lptr->frag->fr_address; | |
1045 | l[i] = lptr->l; | |
1046 | lptr = lptr->next; | |
1047 | } | |
1048 | } | |
1049 | } | |
1050 | ||
4325bcb9 KR |
1051 | void |
1052 | coff_adjust_section_syms (abfd, sec, x) | |
1053 | bfd *abfd; | |
1054 | asection *sec; | |
1055 | PTR x; | |
1056 | { | |
1057 | symbolS *secsym; | |
1058 | segment_info_type *seginfo = seg_info (sec); | |
1059 | int nlnno, nrelocs = 0; | |
1060 | ||
d675782a KR |
1061 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in |
1062 | tc-ppc.c. Do not get confused by it. */ | |
1063 | if (seginfo == NULL) | |
1064 | return; | |
1065 | ||
4325bcb9 | 1066 | if (!strcmp (sec->name, ".text")) |
7ab1edc8 | 1067 | nlnno = coff_n_line_nos; |
4325bcb9 KR |
1068 | else |
1069 | nlnno = 0; | |
1070 | { | |
1071 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1072 | entry... */ | |
1073 | fixS *fixp = seginfo->fix_root; | |
1074 | while (fixp) | |
1075 | { | |
1076 | fixp = fixp->fx_next; | |
1077 | nrelocs++; | |
1078 | } | |
1079 | } | |
1080 | if (bfd_get_section_size_before_reloc (sec) == 0 | |
e789e620 ILT |
1081 | && nrelocs == 0 |
1082 | && nlnno == 0 | |
1083 | && sec != text_section | |
1084 | && sec != data_section | |
1085 | && sec != bss_section) | |
4325bcb9 KR |
1086 | return; |
1087 | secsym = section_symbol (sec); | |
1088 | SA_SET_SCN_NRELOC (secsym, nrelocs); | |
1089 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1090 | } | |
1091 | ||
1092 | void | |
1093 | coff_frob_file () | |
1094 | { | |
1095 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0); | |
1096 | } | |
1097 | ||
055a75ef KR |
1098 | /* |
1099 | * implement the .section pseudo op: | |
1100 | * .section name {, "flags"} | |
1101 | * ^ ^ | |
1102 | * | +--- optional flags: 'b' for bss | |
1103 | * | 'i' for info | |
1104 | * +-- section name 'l' for lib | |
1105 | * 'n' for noload | |
1106 | * 'o' for over | |
1107 | * 'w' for data | |
1108 | * 'd' (apparently m88k for data) | |
1109 | * 'x' for text | |
1110 | * But if the argument is not a quoted string, treat it as a | |
1111 | * subsegment number. | |
1112 | */ | |
1113 | ||
1114 | void | |
1115 | obj_coff_section (ignore) | |
1116 | int ignore; | |
85051959 ILT |
1117 | { |
1118 | /* Strip out the section name */ | |
055a75ef | 1119 | char *section_name; |
85051959 | 1120 | char c; |
055a75ef | 1121 | char *name; |
85051959 | 1122 | unsigned int exp; |
055a75ef KR |
1123 | flagword flags; |
1124 | asection *sec; | |
85051959 | 1125 | |
7ab1edc8 ILT |
1126 | if (flag_mri) |
1127 | { | |
1128 | char type; | |
1129 | ||
1130 | s_mri_sect (&type); | |
1131 | return; | |
1132 | } | |
1133 | ||
055a75ef KR |
1134 | section_name = input_line_pointer; |
1135 | c = get_symbol_end (); | |
85051959 | 1136 | |
055a75ef KR |
1137 | name = xmalloc (input_line_pointer - section_name + 1); |
1138 | strcpy (name, section_name); | |
1139 | ||
1140 | *input_line_pointer = c; | |
1141 | ||
1142 | SKIP_WHITESPACE (); | |
1143 | ||
1144 | exp = 0; | |
1145 | flags = SEC_NO_FLAGS; | |
1146 | ||
1147 | if (*input_line_pointer == ',') | |
85051959 | 1148 | { |
055a75ef KR |
1149 | ++input_line_pointer; |
1150 | SKIP_WHITESPACE (); | |
1151 | if (*input_line_pointer != '"') | |
1152 | exp = get_absolute_expression (); | |
1153 | else | |
1154 | { | |
1155 | ++input_line_pointer; | |
1156 | while (*input_line_pointer != '"' | |
1157 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1158 | { | |
1159 | switch (*input_line_pointer) | |
1160 | { | |
1161 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1162 | case 'n': flags &=~ SEC_LOAD; break; | |
1163 | case 'd': | |
1164 | case 'w': flags &=~ SEC_READONLY; break; | |
1165 | case 'x': flags |= SEC_CODE; break; | |
1166 | ||
1167 | case 'i': /* STYP_INFO */ | |
1168 | case 'l': /* STYP_LIB */ | |
1169 | case 'o': /* STYP_OVER */ | |
1170 | as_warn ("unsupported section attribute '%c'", | |
1171 | *input_line_pointer); | |
1172 | break; | |
1173 | ||
1174 | default: | |
1175 | as_warn("unknown section attribute '%c'", | |
1176 | *input_line_pointer); | |
1177 | break; | |
1178 | } | |
1179 | ++input_line_pointer; | |
1180 | } | |
1181 | if (*input_line_pointer == '"') | |
1182 | ++input_line_pointer; | |
1183 | } | |
85051959 | 1184 | } |
055a75ef KR |
1185 | |
1186 | sec = subseg_new (name, (subsegT) exp); | |
1187 | ||
1188 | if (flags != SEC_NO_FLAGS) | |
85051959 | 1189 | { |
055a75ef KR |
1190 | if (! bfd_set_section_flags (stdoutput, sec, flags)) |
1191 | as_warn ("error setting flags for \"%s\": %s", | |
1192 | bfd_section_name (stdoutput, sec), | |
1193 | bfd_errmsg (bfd_get_error ())); | |
85051959 | 1194 | } |
116bf30f ILT |
1195 | |
1196 | demand_empty_rest_of_line (); | |
85051959 ILT |
1197 | } |
1198 | ||
1199 | void | |
2283f8a0 | 1200 | coff_adjust_symtab () |
85051959 ILT |
1201 | { |
1202 | if (symbol_rootP == NULL | |
1203 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
ab299844 | 1204 | c_dot_file_symbol ("fake"); |
85051959 | 1205 | } |
71b4de6f KR |
1206 | |
1207 | void | |
8fb85d50 KR |
1208 | coff_frob_section (sec) |
1209 | segT sec; | |
71b4de6f | 1210 | { |
8fb85d50 | 1211 | segT strsec; |
e789e620 | 1212 | char *p; |
71b4de6f | 1213 | fragS *fragp; |
8fb85d50 KR |
1214 | bfd_vma size, n_entries, mask; |
1215 | ||
1216 | /* The COFF back end in BFD requires that all section sizes be | |
1217 | rounded up to multiples of the corresponding section alignments. | |
1218 | Seems kinda silly to me, but that's the way it is. */ | |
1219 | size = bfd_get_section_size_before_reloc (sec); | |
8fb85d50 KR |
1220 | mask = ((bfd_vma) 1 << (bfd_vma) sec->alignment_power) - 1; |
1221 | if (size & mask) | |
4325bcb9 KR |
1222 | { |
1223 | size = (size + mask) & ~mask; | |
1224 | bfd_set_section_size (stdoutput, sec, size); | |
1225 | } | |
1226 | ||
1227 | /* If the section size is non-zero, the section symbol needs an aux | |
1228 | entry associated with it, indicating the size. We don't know | |
1229 | all the values yet; coff_frob_symbol will fill them in later. */ | |
e789e620 ILT |
1230 | if (size != 0 |
1231 | || sec == text_section | |
1232 | || sec == data_section | |
1233 | || sec == bss_section) | |
4325bcb9 KR |
1234 | { |
1235 | symbolS *secsym = section_symbol (sec); | |
1236 | ||
1237 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1238 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1239 | SF_SET_STATICS (secsym); | |
1240 | SA_SET_SCN_SCNLEN (secsym, size); | |
1241 | } | |
71b4de6f KR |
1242 | |
1243 | /* @@ these should be in a "stabs.h" file, or maybe as.h */ | |
1244 | #ifndef STAB_SECTION_NAME | |
1245 | #define STAB_SECTION_NAME ".stab" | |
1246 | #endif | |
1247 | #ifndef STAB_STRING_SECTION_NAME | |
1248 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1249 | #endif | |
8fb85d50 | 1250 | if (strcmp (STAB_STRING_SECTION_NAME, sec->name)) |
71b4de6f KR |
1251 | return; |
1252 | ||
8fb85d50 | 1253 | strsec = sec; |
71b4de6f KR |
1254 | sec = subseg_get (STAB_SECTION_NAME, 0); |
1255 | /* size is already rounded up, since other section will be listed first */ | |
1256 | size = bfd_get_section_size_before_reloc (strsec); | |
1257 | ||
1258 | n_entries = bfd_get_section_size_before_reloc (sec) / 12 - 1; | |
1259 | ||
1260 | /* Find first non-empty frag. It should be large enough. */ | |
1261 | fragp = seg_info (sec)->frchainP->frch_root; | |
1262 | while (fragp && fragp->fr_fix == 0) | |
1263 | fragp = fragp->fr_next; | |
1264 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1265 | ||
1266 | /* Store the values. */ | |
1267 | p = fragp->fr_literal; | |
1268 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1269 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1270 | } | |
1271 | ||
1272 | void | |
1273 | obj_coff_init_stab_section (seg) | |
1274 | segT seg; | |
1275 | { | |
1276 | char *file; | |
1277 | char *p; | |
1278 | char *stabstr_name; | |
1279 | unsigned int stroff; | |
1280 | ||
1281 | /* Make space for this first symbol. */ | |
1282 | p = frag_more (12); | |
1283 | /* Zero it out. */ | |
1284 | memset (p, 0, 12); | |
1285 | as_where (&file, (unsigned int *) NULL); | |
1286 | stabstr_name = (char *) alloca (strlen (seg->name) + 4); | |
1287 | strcpy (stabstr_name, seg->name); | |
1288 | strcat (stabstr_name, "str"); | |
1289 | stroff = get_stab_string_offset (file, stabstr_name); | |
1290 | know (stroff == 1); | |
1291 | md_number_to_chars (p, stroff, 4); | |
1292 | } | |
85051959 | 1293 | |
fecd2382 | 1294 | #ifdef DEBUG |
a39116f1 | 1295 | /* for debugging */ |
98c6bbbe | 1296 | const char * |
355afbcd KR |
1297 | s_get_name (s) |
1298 | symbolS *s; | |
fecd2382 | 1299 | { |
355afbcd | 1300 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); |
71b4de6f | 1301 | } |
355afbcd KR |
1302 | |
1303 | void | |
1304 | symbol_dump () | |
1305 | { | |
1306 | symbolS *symbolP; | |
1307 | ||
1308 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
1309 | { | |
85051959 ILT |
1310 | printf("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n", |
1311 | (unsigned long) symbolP, | |
1312 | S_GET_NAME(symbolP), | |
1313 | (long) S_GET_DATA_TYPE(symbolP), | |
1314 | S_GET_STORAGE_CLASS(symbolP), | |
1315 | (int) S_GET_SEGMENT(symbolP)); | |
85051959 ILT |
1316 | } |
1317 | } | |
355afbcd | 1318 | |
fecd2382 RP |
1319 | #endif /* DEBUG */ |
1320 | ||
2283f8a0 KR |
1321 | #else /* not BFD_ASSEMBLER */ |
1322 | ||
1323 | #include "frags.h" | |
1324 | /* This is needed because we include internal bfd things. */ | |
1325 | #include <time.h> | |
d21041b3 SS |
1326 | |
1327 | #include "libbfd.h" | |
1328 | #include "libcoff.h" | |
2283f8a0 | 1329 | |
ff406bd3 ILT |
1330 | #ifdef TE_PE |
1331 | #include "coff/pe.h" | |
1332 | #endif | |
1333 | ||
2283f8a0 KR |
1334 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so |
1335 | that we can stick sections together without causing trouble. */ | |
1336 | #ifndef NOP_OPCODE | |
1337 | #define NOP_OPCODE 0x00 | |
1338 | #endif | |
1339 | ||
eb4fd16f ILT |
1340 | /* The zeroes if symbol name is longer than 8 chars */ |
1341 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1342 | ||
2283f8a0 KR |
1343 | #define MIN(a,b) ((a) < (b)? (a) : (b)) |
1344 | /* This vector is used to turn an internal segment into a section # | |
1345 | suitable for insertion into a coff symbol table | |
1346 | */ | |
1347 | ||
1348 | const short seg_N_TYPE[] = | |
1349 | { /* in: segT out: N_TYPE bits */ | |
1350 | C_ABS_SECTION, | |
ff406bd3 ILT |
1351 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
1352 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1353 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1354 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
2283f8a0 KR |
1355 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ |
1356 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1357 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1358 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1359 | C_NTV_SECTION, /* SEG_NTV */ | |
1360 | C_PTV_SECTION, /* SEG_PTV */ | |
1361 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1362 | }; | |
1363 | ||
1364 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1365 | started (the odd entry for line #0) */ | |
1366 | ||
e789e620 ILT |
1367 | /* structure used to keep the filenames which |
1368 | are too long around so that we can stick them | |
1369 | into the string table */ | |
1370 | struct filename_list | |
1371 | { | |
1372 | char *filename; | |
1373 | struct filename_list *next; | |
1374 | }; | |
1375 | ||
1376 | static struct filename_list *filename_list_head; | |
1377 | static struct filename_list *filename_list_tail; | |
1378 | ||
2283f8a0 KR |
1379 | static symbolS *last_line_symbol; |
1380 | ||
1381 | /* Add 4 to the real value to get the index and compensate the | |
1382 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
1383 | section number into a segment number | |
1384 | */ | |
eb4fd16f | 1385 | static symbolS *previous_file_symbol; |
2283f8a0 KR |
1386 | void c_symbol_merge (); |
1387 | static int line_base; | |
1388 | ||
1389 | symbolS *c_section_symbol (); | |
1390 | bfd *abfd; | |
1391 | ||
1392 | static void fixup_segment PARAMS ((segment_info_type *segP, | |
1393 | segT this_segment_type)); | |
1394 | ||
1395 | ||
1396 | static void fixup_mdeps PARAMS ((fragS *, | |
1397 | object_headers *, | |
1398 | segT)); | |
1399 | ||
1400 | ||
1401 | static void fill_section PARAMS ((bfd * abfd, | |
1402 | object_headers *, | |
1403 | unsigned long *)); | |
1404 | ||
1405 | ||
2283f8a0 | 1406 | static int c_line_new PARAMS ((symbolS * symbol, long paddr, |
eb4fd16f | 1407 | int line_number, |
2283f8a0 KR |
1408 | fragS * frag)); |
1409 | ||
1410 | ||
1411 | static void w_symbols PARAMS ((bfd * abfd, char *where, | |
1412 | symbolS * symbol_rootP)); | |
1413 | ||
1414 | static void adjust_stab_section PARAMS ((bfd *abfd, segT seg)); | |
1415 | ||
2283f8a0 KR |
1416 | static void obj_coff_lcomm PARAMS ((int)); |
1417 | static void obj_coff_text PARAMS ((int)); | |
1418 | static void obj_coff_data PARAMS ((int)); | |
1419 | static void obj_coff_bss PARAMS ((int)); | |
1420 | static void obj_coff_ident PARAMS ((int)); | |
1421 | void obj_coff_section PARAMS ((int)); | |
1422 | ||
2283f8a0 KR |
1423 | /* Section stuff |
1424 | ||
1425 | We allow more than just the standard 3 sections, infact, we allow | |
ff406bd3 | 1426 | 40 sections, (though the usual three have to be there). |
2283f8a0 KR |
1427 | |
1428 | This structure performs the mappings for us: | |
2283f8a0 KR |
1429 | */ |
1430 | ||
ff406bd3 | 1431 | |
2283f8a0 KR |
1432 | typedef struct |
1433 | { | |
1434 | segT seg_t; | |
1435 | int i; | |
1436 | } seg_info_type; | |
1437 | ||
ff406bd3 | 1438 | static const seg_info_type seg_info_off_by_4[] = |
2283f8a0 KR |
1439 | { |
1440 | {SEG_PTV, }, | |
1441 | {SEG_NTV, }, | |
1442 | {SEG_DEBUG, }, | |
1443 | {SEG_ABSOLUTE, }, | |
1444 | {SEG_UNKNOWN, }, | |
ff406bd3 ILT |
1445 | {SEG_E0}, {SEG_E1}, {SEG_E2}, {SEG_E3}, {SEG_E4}, |
1446 | {SEG_E5}, {SEG_E6}, {SEG_E7}, {SEG_E8}, {SEG_E9}, | |
1447 | {SEG_E10},{SEG_E11},{SEG_E12},{SEG_E13},{SEG_E14}, | |
1448 | {SEG_E15},{SEG_E16},{SEG_E17},{SEG_E18},{SEG_E19}, | |
1449 | {SEG_E20},{SEG_E21},{SEG_E22},{SEG_E23},{SEG_E24}, | |
1450 | {SEG_E25},{SEG_E26},{SEG_E27},{SEG_E28},{SEG_E29}, | |
1451 | {SEG_E30},{SEG_E31},{SEG_E32},{SEG_E33},{SEG_E34}, | |
1452 | {SEG_E35},{SEG_E36},{SEG_E37},{SEG_E38},{SEG_E39}, | |
1453 | {(segT)40}, | |
1454 | {(segT)41}, | |
1455 | {(segT)42}, | |
1456 | {(segT)43}, | |
1457 | {(segT)44}, | |
1458 | {(segT)45}, | |
2283f8a0 KR |
1459 | {(segT)0}, |
1460 | {(segT)0}, | |
1461 | {(segT)0}, | |
1462 | {SEG_REGISTER} | |
1463 | }; | |
1464 | ||
1465 | ||
1466 | ||
1467 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) | |
2283f8a0 KR |
1468 | |
1469 | static relax_addressT | |
1470 | relax_align (address, alignment) | |
1471 | relax_addressT address; | |
1472 | long alignment; | |
1473 | { | |
1474 | relax_addressT mask; | |
1475 | relax_addressT new_address; | |
1476 | ||
1477 | mask = ~((~0) << alignment); | |
1478 | new_address = (address + mask) & (~mask); | |
1479 | return (new_address - address); | |
eb4fd16f | 1480 | } |
2283f8a0 KR |
1481 | |
1482 | ||
1483 | segT | |
1484 | s_get_segment (x) | |
1485 | symbolS * x; | |
1486 | { | |
1487 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum).seg_t; | |
1488 | } | |
1489 | ||
1490 | ||
1491 | ||
1492 | /* calculate the size of the frag chain and fill in the section header | |
1493 | to contain all of it, also fill in the addr of the sections */ | |
1494 | static unsigned int | |
1495 | size_section (abfd, idx) | |
1496 | bfd * abfd; | |
1497 | unsigned int idx; | |
1498 | { | |
1499 | ||
1500 | unsigned int size = 0; | |
1501 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
1502 | while (frag) | |
1503 | { | |
1504 | size = frag->fr_address; | |
1505 | if (frag->fr_address != size) | |
1506 | { | |
eb4fd16f | 1507 | fprintf (stderr, "Out of step\n"); |
2283f8a0 KR |
1508 | size = frag->fr_address; |
1509 | } | |
1510 | ||
1511 | switch (frag->fr_type) | |
1512 | { | |
1513 | #ifdef TC_COFF_SIZEMACHDEP | |
1514 | case rs_machine_dependent: | |
1515 | size += TC_COFF_SIZEMACHDEP (frag); | |
1516 | break; | |
1517 | #endif | |
aac4d5a7 KR |
1518 | case rs_space: |
1519 | assert (frag->fr_symbol == 0); | |
2283f8a0 KR |
1520 | case rs_fill: |
1521 | case rs_org: | |
1522 | size += frag->fr_fix; | |
1523 | size += frag->fr_offset * frag->fr_var; | |
1524 | break; | |
1525 | case rs_align: | |
9e4b3a23 | 1526 | case rs_align_code: |
2283f8a0 KR |
1527 | size += frag->fr_fix; |
1528 | size += relax_align (size, frag->fr_offset); | |
1529 | break; | |
1530 | default: | |
1531 | BAD_CASE (frag->fr_type); | |
1532 | break; | |
1533 | } | |
1534 | frag = frag->fr_next; | |
1535 | } | |
1536 | segment_info[idx].scnhdr.s_size = size; | |
1537 | return size; | |
1538 | } | |
1539 | ||
1540 | ||
1541 | static unsigned int | |
1542 | count_entries_in_chain (idx) | |
1543 | unsigned int idx; | |
1544 | { | |
1545 | unsigned int nrelocs; | |
1546 | fixS *fixup_ptr; | |
1547 | ||
1548 | /* Count the relocations */ | |
1549 | fixup_ptr = segment_info[idx].fix_root; | |
1550 | nrelocs = 0; | |
1551 | while (fixup_ptr != (fixS *) NULL) | |
1552 | { | |
e789e620 | 1553 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) |
2283f8a0 KR |
1554 | { |
1555 | #ifdef TC_A29K | |
1556 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) | |
1557 | nrelocs += 2; | |
1558 | else | |
1559 | nrelocs++; | |
1560 | #else | |
1561 | nrelocs++; | |
1562 | #endif | |
1563 | } | |
1564 | ||
1565 | fixup_ptr = fixup_ptr->fx_next; | |
1566 | } | |
1567 | return nrelocs; | |
1568 | } | |
1569 | ||
66b935da ILT |
1570 | #ifdef TE_AUX |
1571 | ||
1572 | static int compare_external_relocs PARAMS ((const PTR, const PTR)); | |
1573 | ||
1574 | /* AUX's ld expects relocations to be sorted */ | |
1575 | static int | |
1576 | compare_external_relocs (x, y) | |
1577 | const PTR x; | |
1578 | const PTR y; | |
1579 | { | |
1580 | struct external_reloc *a = (struct external_reloc *) x; | |
1581 | struct external_reloc *b = (struct external_reloc *) y; | |
1582 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
1583 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
1584 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
1585 | } | |
1586 | ||
1587 | #endif | |
1588 | ||
2283f8a0 KR |
1589 | /* output all the relocations for a section */ |
1590 | void | |
1591 | do_relocs_for (abfd, h, file_cursor) | |
1592 | bfd * abfd; | |
1593 | object_headers * h; | |
1594 | unsigned long *file_cursor; | |
1595 | { | |
1596 | unsigned int nrelocs; | |
1597 | unsigned int idx; | |
1598 | unsigned long reloc_start = *file_cursor; | |
1599 | ||
ff406bd3 | 1600 | for (idx = SEG_E0; idx < SEG_LAST; idx++) |
2283f8a0 KR |
1601 | { |
1602 | if (segment_info[idx].scnhdr.s_name[0]) | |
1603 | { | |
1604 | struct external_reloc *ext_ptr; | |
1605 | struct external_reloc *external_reloc_vec; | |
1606 | unsigned int external_reloc_size; | |
1607 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1608 | fixS *fix_ptr = segment_info[idx].fix_root; | |
1609 | nrelocs = count_entries_in_chain (idx); | |
1610 | ||
1611 | if (nrelocs) | |
1612 | /* Bypass this stuff if no relocs. This also incidentally | |
1613 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
1614 | { | |
1615 | external_reloc_size = nrelocs * RELSZ; | |
1616 | external_reloc_vec = | |
1617 | (struct external_reloc *) malloc (external_reloc_size); | |
1618 | ||
1619 | ext_ptr = external_reloc_vec; | |
1620 | ||
1621 | /* Fill in the internal coff style reloc struct from the | |
1622 | internal fix list. */ | |
1623 | while (fix_ptr) | |
1624 | { | |
2283f8a0 KR |
1625 | struct internal_reloc intr; |
1626 | ||
1627 | /* Only output some of the relocations */ | |
e789e620 | 1628 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
2283f8a0 KR |
1629 | { |
1630 | #ifdef TC_RELOC_MANGLE | |
a91c6b08 ILT |
1631 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, |
1632 | base); | |
2283f8a0 KR |
1633 | |
1634 | #else | |
1635 | symbolS *dot; | |
96d1566d | 1636 | symbolS *symbol_ptr = fix_ptr->fx_addsy; |
2283f8a0 KR |
1637 | |
1638 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
1639 | intr.r_vaddr = | |
1640 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
1641 | ||
4325bcb9 | 1642 | #ifdef TC_KEEP_FX_OFFSET |
2283f8a0 KR |
1643 | intr.r_offset = fix_ptr->fx_offset; |
1644 | #else | |
1645 | intr.r_offset = 0; | |
1646 | #endif | |
1647 | ||
71dd3c40 ILT |
1648 | while (symbol_ptr->sy_value.X_op == O_symbol |
1649 | && (! S_IS_DEFINED (symbol_ptr) | |
1650 | || S_IS_COMMON (symbol_ptr))) | |
66b935da ILT |
1651 | symbol_ptr = symbol_ptr->sy_value.X_add_symbol; |
1652 | ||
2283f8a0 KR |
1653 | /* Turn the segment of the symbol into an offset. */ |
1654 | if (symbol_ptr) | |
1655 | { | |
8dd6fde3 | 1656 | resolve_symbol_value (symbol_ptr); |
ab299844 ILT |
1657 | if (! symbol_ptr->sy_resolved) |
1658 | { | |
1659 | char *file; | |
1660 | unsigned int line; | |
1661 | ||
1662 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
1663 | as_bad_where (file, line, | |
1664 | "unresolved relocation"); | |
1665 | else | |
1666 | as_bad ("bad relocation: symbol `%s' not in symbol table", | |
1667 | S_GET_NAME (symbol_ptr)); | |
1668 | } | |
2283f8a0 KR |
1669 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
1670 | if (dot) | |
1671 | { | |
1672 | intr.r_symndx = dot->sy_number; | |
1673 | } | |
1674 | else | |
1675 | { | |
1676 | intr.r_symndx = symbol_ptr->sy_number; | |
1677 | } | |
1678 | ||
1679 | } | |
1680 | else | |
1681 | { | |
1682 | intr.r_symndx = -1; | |
1683 | } | |
1684 | #endif | |
1685 | ||
1686 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
1687 | ext_ptr++; | |
1688 | ||
1689 | #if defined(TC_A29K) | |
1690 | ||
1691 | /* The 29k has a special kludge for the high 16 bit | |
1692 | reloc. Two relocations are emited, R_IHIHALF, | |
1693 | and R_IHCONST. The second one doesn't contain a | |
1694 | symbol, but uses the value for offset. */ | |
1695 | ||
1696 | if (intr.r_type == R_IHIHALF) | |
1697 | { | |
1698 | /* now emit the second bit */ | |
1699 | intr.r_type = R_IHCONST; | |
1700 | intr.r_symndx = fix_ptr->fx_addnumber; | |
1701 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
1702 | ext_ptr++; | |
1703 | } | |
1704 | #endif | |
1705 | } | |
1706 | ||
1707 | fix_ptr = fix_ptr->fx_next; | |
1708 | } | |
1709 | ||
66b935da ILT |
1710 | #ifdef TE_AUX |
1711 | /* Sort the reloc table */ | |
1712 | qsort ((PTR) external_reloc_vec, nrelocs, | |
1713 | sizeof (struct external_reloc), compare_external_relocs); | |
1714 | #endif | |
1715 | ||
2283f8a0 KR |
1716 | /* Write out the reloc table */ |
1717 | bfd_write ((PTR) external_reloc_vec, 1, external_reloc_size, | |
1718 | abfd); | |
1719 | free (external_reloc_vec); | |
1720 | ||
1721 | /* Fill in section header info. */ | |
1722 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
1723 | *file_cursor += external_reloc_size; | |
1724 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
1725 | } | |
1726 | else | |
1727 | { | |
1728 | /* No relocs */ | |
1729 | segment_info[idx].scnhdr.s_relptr = 0; | |
1730 | } | |
1731 | } | |
1732 | } | |
1733 | /* Set relocation_size field in file headers */ | |
1734 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); | |
1735 | } | |
1736 | ||
1737 | ||
1738 | /* run through a frag chain and write out the data to go with it, fill | |
1739 | in the scnhdrs with the info on the file postions | |
1740 | */ | |
1741 | static void | |
1742 | fill_section (abfd, h, file_cursor) | |
1743 | bfd * abfd; | |
1744 | object_headers *h; | |
1745 | unsigned long *file_cursor; | |
1746 | { | |
1747 | ||
1748 | unsigned int i; | |
1749 | unsigned int paddr = 0; | |
1750 | ||
1751 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
1752 | { | |
1753 | unsigned int offset = 0; | |
2283f8a0 KR |
1754 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); |
1755 | ||
d21041b3 SS |
1756 | PROGRESS (1); |
1757 | ||
2283f8a0 KR |
1758 | if (s->s_name[0]) |
1759 | { | |
1760 | fragS *frag = segment_info[i].frchainP->frch_root; | |
1761 | char *buffer; | |
1762 | ||
1763 | if (s->s_size == 0) | |
1764 | s->s_scnptr = 0; | |
1765 | else | |
1766 | { | |
1767 | buffer = xmalloc (s->s_size); | |
1768 | s->s_scnptr = *file_cursor; | |
1769 | } | |
1770 | know (s->s_paddr == paddr); | |
1771 | ||
1772 | if (strcmp (s->s_name, ".text") == 0) | |
1773 | s->s_flags |= STYP_TEXT; | |
1774 | else if (strcmp (s->s_name, ".data") == 0) | |
1775 | s->s_flags |= STYP_DATA; | |
1776 | else if (strcmp (s->s_name, ".bss") == 0) | |
1777 | { | |
1778 | s->s_scnptr = 0; | |
1779 | s->s_flags |= STYP_BSS; | |
1780 | ||
1781 | /* @@ Should make the i386 and a29k coff targets define | |
1782 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
1783 | #ifndef TC_I386 | |
1784 | #ifndef TC_A29K | |
1785 | #ifndef COFF_NOLOAD_PROBLEM | |
1786 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
1787 | mondfe progrem are confused by noload sections. */ | |
1788 | s->s_flags |= STYP_NOLOAD; | |
1789 | #endif | |
1790 | #endif | |
1791 | #endif | |
1792 | } | |
1793 | else if (strcmp (s->s_name, ".lit") == 0) | |
1794 | s->s_flags = STYP_LIT | STYP_TEXT; | |
1795 | else if (strcmp (s->s_name, ".init") == 0) | |
1796 | s->s_flags |= STYP_TEXT; | |
1797 | else if (strcmp (s->s_name, ".fini") == 0) | |
1798 | s->s_flags |= STYP_TEXT; | |
1799 | else if (strncmp (s->s_name, ".comment", 8) == 0) | |
1800 | s->s_flags |= STYP_INFO; | |
1801 | ||
1802 | while (frag) | |
1803 | { | |
1804 | unsigned int fill_size; | |
1805 | switch (frag->fr_type) | |
1806 | { | |
1807 | case rs_machine_dependent: | |
1808 | if (frag->fr_fix) | |
1809 | { | |
1810 | memcpy (buffer + frag->fr_address, | |
1811 | frag->fr_literal, | |
1812 | (unsigned int) frag->fr_fix); | |
1813 | offset += frag->fr_fix; | |
1814 | } | |
1815 | ||
1816 | break; | |
aac4d5a7 KR |
1817 | case rs_space: |
1818 | assert (frag->fr_symbol == 0); | |
2283f8a0 KR |
1819 | case rs_fill: |
1820 | case rs_align: | |
9e4b3a23 | 1821 | case rs_align_code: |
2283f8a0 KR |
1822 | case rs_org: |
1823 | if (frag->fr_fix) | |
1824 | { | |
1825 | memcpy (buffer + frag->fr_address, | |
1826 | frag->fr_literal, | |
1827 | (unsigned int) frag->fr_fix); | |
1828 | offset += frag->fr_fix; | |
1829 | } | |
1830 | ||
1831 | fill_size = frag->fr_var; | |
1832 | if (fill_size && frag->fr_offset > 0) | |
1833 | { | |
1834 | unsigned int count; | |
1835 | unsigned int off = frag->fr_fix; | |
1836 | for (count = frag->fr_offset; count; count--) | |
1837 | { | |
1838 | if (fill_size + frag->fr_address + off <= s->s_size) | |
1839 | { | |
1840 | memcpy (buffer + frag->fr_address + off, | |
1841 | frag->fr_literal + frag->fr_fix, | |
1842 | fill_size); | |
1843 | off += fill_size; | |
1844 | offset += fill_size; | |
1845 | } | |
1846 | } | |
1847 | } | |
1848 | break; | |
1849 | case rs_broken_word: | |
1850 | break; | |
1851 | default: | |
1852 | abort (); | |
1853 | } | |
1854 | frag = frag->fr_next; | |
1855 | } | |
1856 | ||
1857 | if (s->s_size != 0) | |
1858 | { | |
1859 | if (s->s_scnptr != 0) | |
1860 | { | |
1861 | bfd_write (buffer, s->s_size, 1, abfd); | |
1862 | *file_cursor += s->s_size; | |
1863 | } | |
1864 | free (buffer); | |
1865 | } | |
1866 | paddr += s->s_size; | |
1867 | } | |
1868 | } | |
1869 | } | |
1870 | ||
1871 | /* Coff file generation & utilities */ | |
1872 | ||
1873 | static void | |
1874 | coff_header_append (abfd, h) | |
1875 | bfd * abfd; | |
1876 | object_headers * h; | |
1877 | { | |
1878 | unsigned int i; | |
1879 | char buffer[1000]; | |
1880 | char buffero[1000]; | |
1881 | ||
1882 | bfd_seek (abfd, 0, 0); | |
1883 | ||
1884 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
1885 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
1886 | H_SET_VERSION_STAMP (h, 0); | |
1887 | H_SET_ENTRY_POINT (h, 0); | |
1888 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
1889 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
1890 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, | |
1891 | buffero)); | |
1892 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
1893 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
1894 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
1895 | ||
1896 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
1897 | ||
1898 | bfd_write (buffer, i, 1, abfd); | |
1899 | bfd_write (buffero, H_GET_SIZEOF_OPTIONAL_HEADER (h), 1, abfd); | |
1900 | ||
ff406bd3 | 1901 | for (i = SEG_E0; i < SEG_LAST; i++) |
2283f8a0 | 1902 | { |
7681eb9d ILT |
1903 | #ifdef COFF_LONG_SECTION_NAMES |
1904 | unsigned long string_size = 4; | |
1905 | #endif | |
1906 | ||
2283f8a0 KR |
1907 | if (segment_info[i].scnhdr.s_name[0]) |
1908 | { | |
7681eb9d ILT |
1909 | unsigned int size; |
1910 | ||
1911 | #ifdef COFF_LONG_SECTION_NAMES | |
1912 | /* Support long section names as found in PE. This code | |
1913 | must coordinate with that in write_object_file and | |
1914 | w_strings. */ | |
1915 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
1916 | { | |
1917 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
ba97ba7e ILT |
1918 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); |
1919 | string_size += strlen (segment_info[i].name) + 1; | |
7681eb9d ILT |
1920 | } |
1921 | #endif | |
1922 | ||
1923 | size = bfd_coff_swap_scnhdr_out (abfd, | |
1924 | &(segment_info[i].scnhdr), | |
1925 | buffer); | |
5fc2a6ec ILT |
1926 | if (size == 0) |
1927 | as_bad ("bfd_coff_swap_scnhdr_out failed"); | |
2283f8a0 KR |
1928 | bfd_write (buffer, size, 1, abfd); |
1929 | } | |
1930 | } | |
1931 | } | |
1932 | ||
1933 | ||
1934 | char * | |
1935 | symbol_to_chars (abfd, where, symbolP) | |
1936 | bfd * abfd; | |
1937 | char *where; | |
1938 | symbolS * symbolP; | |
1939 | { | |
1940 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
1941 | unsigned int i; | |
1942 | valueT val; | |
1943 | ||
1944 | /* Turn any symbols with register attributes into abs symbols */ | |
1945 | if (S_GET_SEGMENT (symbolP) == reg_section) | |
1946 | { | |
1947 | S_SET_SEGMENT (symbolP, absolute_section); | |
1948 | } | |
1949 | /* At the same time, relocate all symbols to their output value */ | |
1950 | ||
1951 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
1952 | + S_GET_VALUE (symbolP)); | |
1953 | ||
1954 | S_SET_VALUE (symbolP, val); | |
1955 | ||
1956 | symbolP->sy_symbol.ost_entry.n_value = val; | |
1957 | ||
1958 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
1959 | where); | |
1960 | ||
1961 | for (i = 0; i < numaux; i++) | |
1962 | { | |
1963 | where += bfd_coff_swap_aux_out (abfd, | |
1964 | &symbolP->sy_symbol.ost_auxent[i], | |
1965 | S_GET_DATA_TYPE (symbolP), | |
1966 | S_GET_STORAGE_CLASS (symbolP), | |
1967 | i, numaux, where); | |
1968 | } | |
1969 | return where; | |
1970 | ||
1971 | } | |
1972 | ||
1973 | void | |
1974 | obj_symbol_new_hook (symbolP) | |
1975 | symbolS *symbolP; | |
1976 | { | |
1977 | char underscore = 0; /* Symbol has leading _ */ | |
1978 | ||
1979 | /* Effective symbol */ | |
1980 | /* Store the pointer in the offset. */ | |
1981 | S_SET_ZEROES (symbolP, 0L); | |
1982 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
1983 | S_SET_STORAGE_CLASS (symbolP, 0); | |
1984 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
1985 | /* Additional information */ | |
1986 | symbolP->sy_symbol.ost_flags = 0; | |
1987 | /* Auxiliary entries */ | |
1988 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); | |
1989 | ||
1990 | if (S_IS_STRING (symbolP)) | |
1991 | SF_SET_STRING (symbolP); | |
1992 | if (!underscore && S_IS_LOCAL (symbolP)) | |
1993 | SF_SET_LOCAL (symbolP); | |
1994 | } | |
1995 | ||
1996 | /* | |
1997 | * Handle .ln directives. | |
1998 | */ | |
1999 | ||
2000 | static void | |
2001 | obj_coff_ln (appline) | |
2002 | int appline; | |
2003 | { | |
2004 | int l; | |
2005 | ||
2006 | if (! appline && def_symbol_in_progress != NULL) | |
2007 | { | |
2008 | as_warn (".ln pseudo-op inside .def/.endef: ignored."); | |
2009 | demand_empty_rest_of_line (); | |
2010 | return; | |
2011 | } /* wrong context */ | |
2012 | ||
4325bcb9 | 2013 | l = get_absolute_expression (); |
87e48495 | 2014 | c_line_new (0, frag_now_fix (), l, frag_now); |
2283f8a0 KR |
2015 | #ifndef NO_LISTING |
2016 | { | |
2017 | extern int listing; | |
2018 | ||
2019 | if (listing) | |
2020 | { | |
2021 | if (! appline) | |
2022 | l += line_base - 1; | |
2023 | listing_source_line ((unsigned int) l); | |
2024 | } | |
2025 | ||
2026 | } | |
2027 | #endif | |
2028 | demand_empty_rest_of_line (); | |
2029 | } | |
2030 | ||
2031 | /* | |
2032 | * def() | |
2033 | * | |
2034 | * Handle .def directives. | |
2035 | * | |
2036 | * One might ask : why can't we symbol_new if the symbol does not | |
2037 | * already exist and fill it with debug information. Because of | |
2038 | * the C_EFCN special symbol. It would clobber the value of the | |
2039 | * function symbol before we have a chance to notice that it is | |
2040 | * a C_EFCN. And a second reason is that the code is more clear this | |
2041 | * way. (at least I think it is :-). | |
2042 | * | |
2043 | */ | |
2044 | ||
2045 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2046 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
2047 | *input_line_pointer == '\t') \ | |
2048 | input_line_pointer++; | |
2049 | ||
2050 | static void | |
2051 | obj_coff_def (what) | |
2052 | int what; | |
2053 | { | |
2054 | char name_end; /* Char after the end of name */ | |
2055 | char *symbol_name; /* Name of the debug symbol */ | |
2056 | char *symbol_name_copy; /* Temporary copy of the name */ | |
2057 | unsigned int symbol_name_length; | |
2058 | ||
2059 | if (def_symbol_in_progress != NULL) | |
2060 | { | |
2061 | as_warn (".def pseudo-op used inside of .def/.endef: ignored."); | |
2062 | demand_empty_rest_of_line (); | |
2063 | return; | |
2064 | } /* if not inside .def/.endef */ | |
2065 | ||
2066 | SKIP_WHITESPACES (); | |
2067 | ||
2068 | def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); | |
2069 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); | |
2070 | ||
2071 | symbol_name = input_line_pointer; | |
2072 | name_end = get_symbol_end (); | |
2073 | symbol_name_length = strlen (symbol_name); | |
2074 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2075 | strcpy (symbol_name_copy, symbol_name); | |
2076 | ||
2077 | /* Initialize the new symbol */ | |
2078 | #ifdef STRIP_UNDERSCORE | |
2079 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2080 | ? symbol_name_copy + 1 | |
2081 | : symbol_name_copy)); | |
2082 | #else /* STRIP_UNDERSCORE */ | |
2083 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2084 | #endif /* STRIP_UNDERSCORE */ | |
2085 | /* free(symbol_name_copy); */ | |
2086 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2087 | def_symbol_in_progress->sy_number = ~0; | |
2088 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2089 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2090 | ||
2091 | if (S_IS_STRING (def_symbol_in_progress)) | |
2092 | SF_SET_STRING (def_symbol_in_progress); | |
2093 | ||
2094 | *input_line_pointer = name_end; | |
2095 | ||
2096 | demand_empty_rest_of_line (); | |
2097 | } | |
2098 | ||
2099 | unsigned int dim_index; | |
2100 | ||
2101 | ||
2102 | static void | |
2103 | obj_coff_endef (ignore) | |
2104 | int ignore; | |
2105 | { | |
2106 | symbolS *symbolP = 0; | |
2107 | /* DIM BUG FIX sac@cygnus.com */ | |
2108 | dim_index = 0; | |
2109 | if (def_symbol_in_progress == NULL) | |
2110 | { | |
2111 | as_warn (".endef pseudo-op used outside of .def/.endef: ignored."); | |
2112 | demand_empty_rest_of_line (); | |
2113 | return; | |
2114 | } /* if not inside .def/.endef */ | |
2115 | ||
2116 | /* Set the section number according to storage class. */ | |
2117 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) | |
2118 | { | |
2119 | case C_STRTAG: | |
2120 | case C_ENTAG: | |
2121 | case C_UNTAG: | |
2122 | SF_SET_TAG (def_symbol_in_progress); | |
2123 | /* intentional fallthrough */ | |
2124 | case C_FILE: | |
2125 | case C_TPDEF: | |
2126 | SF_SET_DEBUG (def_symbol_in_progress); | |
2127 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2128 | break; | |
2129 | ||
2130 | case C_EFCN: | |
2131 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ | |
2132 | /* intentional fallthrough */ | |
2133 | case C_BLOCK: | |
2134 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
2135 | /* intentional fallthrough */ | |
2136 | case C_FCN: | |
2137 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2138 | ||
2139 | if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) | |
2140 | { /* .bf */ | |
2141 | if (function_lineoff < 0) | |
2142 | { | |
2143 | fprintf (stderr, "`.bf' symbol without preceding function\n"); | |
2144 | } /* missing function symbol */ | |
2145 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; | |
2146 | ||
2147 | SF_SET_PROCESS (last_line_symbol); | |
ff406bd3 ILT |
2148 | SF_SET_ADJ_LNNOPTR (last_line_symbol); |
2149 | SF_SET_PROCESS (def_symbol_in_progress); | |
2283f8a0 KR |
2150 | function_lineoff = -1; |
2151 | } | |
2152 | /* Value is always set to . */ | |
2153 | def_symbol_in_progress->sy_frag = frag_now; | |
2154 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2155 | break; | |
2156 | ||
2157 | #ifdef C_AUTOARG | |
2158 | case C_AUTOARG: | |
2159 | #endif /* C_AUTOARG */ | |
2160 | case C_AUTO: | |
2161 | case C_REG: | |
2162 | case C_MOS: | |
2163 | case C_MOE: | |
2164 | case C_MOU: | |
2165 | case C_ARG: | |
2166 | case C_REGPARM: | |
2167 | case C_FIELD: | |
2168 | case C_EOS: | |
2169 | SF_SET_DEBUG (def_symbol_in_progress); | |
2170 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2171 | break; | |
2172 | ||
2173 | case C_EXT: | |
2174 | case C_STAT: | |
2175 | case C_LABEL: | |
2176 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
2177 | break; | |
2178 | ||
2179 | case C_USTATIC: | |
2180 | case C_EXTDEF: | |
2181 | case C_ULABEL: | |
2182 | as_warn ("unexpected storage class %d", S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2183 | break; | |
2184 | } /* switch on storage class */ | |
2185 | ||
2186 | /* Now that we have built a debug symbol, try to find if we should | |
2187 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2188 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2189 | don't merge labels, which are in a different namespace, nor | |
2190 | symbols which have not yet been defined since they are typically | |
2191 | unique, nor do we merge tags with non-tags. */ | |
2192 | ||
2193 | /* Two cases for functions. Either debug followed by definition or | |
2194 | definition followed by debug. For definition first, we will | |
2195 | merge the debug symbol into the definition. For debug first, the | |
2196 | lineno entry MUST point to the definition function or else it | |
2197 | will point off into space when crawl_symbols() merges the debug | |
2198 | symbol into the real symbol. Therefor, let's presume the debug | |
2199 | symbol is a real function reference. */ | |
2200 | ||
2201 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2202 | never seen, this will probably leave an undefined symbol at link | |
2203 | time. */ | |
2204 | ||
2205 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2206 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2207 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2208 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2209 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2210 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2211 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2212 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2213 | { | |
2214 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2215 | &symbol_lastP); | |
2216 | } | |
2217 | else | |
2218 | { | |
2219 | /* This symbol already exists, merge the newly created symbol | |
2220 | into the old one. This is not mandatory. The linker can | |
2221 | handle duplicate symbols correctly. But I guess that it save | |
2222 | a *lot* of space if the assembly file defines a lot of | |
2223 | symbols. [loic] */ | |
2224 | ||
2225 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2226 | previous definition. */ | |
2227 | ||
2228 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
2229 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ | |
2230 | def_symbol_in_progress = symbolP; | |
2231 | ||
2232 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
ab299844 ILT |
2233 | || SF_GET_TAG (def_symbol_in_progress) |
2234 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2283f8a0 | 2235 | { |
ab299844 ILT |
2236 | /* For functions, and tags, and static symbols, the symbol |
2237 | *must* be where the debug symbol appears. Move the | |
2238 | existing symbol to the current place. */ | |
2283f8a0 KR |
2239 | /* If it already is at the end of the symbol list, do nothing */ |
2240 | if (def_symbol_in_progress != symbol_lastP) | |
2241 | { | |
2242 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2243 | &symbol_lastP); | |
2244 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2245 | &symbol_rootP, &symbol_lastP); | |
2246 | } /* if not already in place */ | |
2247 | } /* if function */ | |
2248 | } /* normal or mergable */ | |
2249 | ||
e789e620 | 2250 | if (SF_GET_TAG (def_symbol_in_progress)) |
2283f8a0 | 2251 | { |
e789e620 ILT |
2252 | symbolS *oldtag; |
2253 | ||
2254 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
2255 | DO_NOT_STRIP); | |
2256 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
2257 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2258 | def_symbol_in_progress); | |
2283f8a0 KR |
2259 | } |
2260 | ||
2261 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2262 | { | |
2263 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2264 | function_lineoff | |
2265 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2266 | ||
2267 | SF_SET_PROCESS (def_symbol_in_progress); | |
2268 | ||
2269 | if (symbolP == NULL) | |
2270 | { | |
2271 | /* That is, if this is the first time we've seen the | |
2272 | function... */ | |
2273 | symbol_table_insert (def_symbol_in_progress); | |
2274 | } /* definition follows debug */ | |
2275 | } /* Create the line number entry pointing to the function being defined */ | |
2276 | ||
2277 | def_symbol_in_progress = NULL; | |
2278 | demand_empty_rest_of_line (); | |
2279 | } | |
2280 | ||
2281 | static void | |
2282 | obj_coff_dim (ignore) | |
2283 | int ignore; | |
2284 | { | |
2285 | int dim_index; | |
2286 | ||
2287 | if (def_symbol_in_progress == NULL) | |
2288 | { | |
2289 | as_warn (".dim pseudo-op used outside of .def/.endef: ignored."); | |
2290 | demand_empty_rest_of_line (); | |
2291 | return; | |
2292 | } /* if not inside .def/.endef */ | |
2293 | ||
2294 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2295 | ||
2296 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2297 | { | |
2298 | SKIP_WHITESPACES (); | |
2299 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2300 | get_absolute_expression ()); | |
2301 | ||
2302 | switch (*input_line_pointer) | |
2303 | { | |
2304 | case ',': | |
2305 | input_line_pointer++; | |
2306 | break; | |
2307 | ||
2308 | default: | |
2309 | as_warn ("badly formed .dim directive ignored"); | |
2310 | /* intentional fallthrough */ | |
2311 | case '\n': | |
2312 | case ';': | |
2313 | dim_index = DIMNUM; | |
2314 | break; | |
2315 | } | |
2316 | } | |
2317 | ||
2318 | demand_empty_rest_of_line (); | |
2319 | } | |
2320 | ||
2321 | static void | |
2322 | obj_coff_line (ignore) | |
2323 | int ignore; | |
2324 | { | |
2325 | int this_base; | |
4325bcb9 | 2326 | const char *name; |
2283f8a0 KR |
2327 | |
2328 | if (def_symbol_in_progress == NULL) | |
2329 | { | |
2330 | obj_coff_ln (0); | |
2331 | return; | |
2332 | } | |
2333 | ||
4325bcb9 | 2334 | name = S_GET_NAME (def_symbol_in_progress); |
2283f8a0 | 2335 | this_base = get_absolute_expression (); |
4325bcb9 KR |
2336 | |
2337 | /* Only .bf symbols indicate the use of a new base line number; the | |
2338 | line numbers associated with .ef, .bb, .eb are relative to the | |
2339 | start of the containing function. */ | |
2340 | if (!strcmp (".bf", name)) | |
2283f8a0 | 2341 | { |
4325bcb9 KR |
2342 | #if 0 /* XXX Can we ever have line numbers going backwards? */ |
2343 | if (this_base > line_base) | |
2344 | #endif | |
2345 | { | |
2346 | line_base = this_base; | |
2347 | } | |
2283f8a0 KR |
2348 | |
2349 | #ifndef NO_LISTING | |
2283f8a0 | 2350 | { |
4325bcb9 | 2351 | extern int listing; |
3f8416d5 | 2352 | if (listing) |
4325bcb9 KR |
2353 | { |
2354 | listing_source_line ((unsigned int) line_base); | |
2355 | } | |
2283f8a0 | 2356 | } |
2283f8a0 | 2357 | #endif |
4325bcb9 KR |
2358 | } |
2359 | ||
2283f8a0 KR |
2360 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); |
2361 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2362 | ||
2363 | demand_empty_rest_of_line (); | |
2364 | } | |
2365 | ||
2366 | static void | |
2367 | obj_coff_size (ignore) | |
2368 | int ignore; | |
2369 | { | |
2370 | if (def_symbol_in_progress == NULL) | |
2371 | { | |
2372 | as_warn (".size pseudo-op used outside of .def/.endef ignored."); | |
2373 | demand_empty_rest_of_line (); | |
2374 | return; | |
2375 | } /* if not inside .def/.endef */ | |
2376 | ||
2377 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2378 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2379 | demand_empty_rest_of_line (); | |
2380 | } | |
2381 | ||
2382 | static void | |
2383 | obj_coff_scl (ignore) | |
2384 | int ignore; | |
2385 | { | |
2386 | if (def_symbol_in_progress == NULL) | |
2387 | { | |
2388 | as_warn (".scl pseudo-op used outside of .def/.endef ignored."); | |
2389 | demand_empty_rest_of_line (); | |
2390 | return; | |
2391 | } /* if not inside .def/.endef */ | |
2392 | ||
2393 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2394 | demand_empty_rest_of_line (); | |
2395 | } | |
2396 | ||
2397 | static void | |
2398 | obj_coff_tag (ignore) | |
2399 | int ignore; | |
2400 | { | |
2401 | char *symbol_name; | |
2402 | char name_end; | |
2403 | ||
2404 | if (def_symbol_in_progress == NULL) | |
2405 | { | |
2406 | as_warn (".tag pseudo-op used outside of .def/.endef ignored."); | |
2407 | demand_empty_rest_of_line (); | |
2408 | return; | |
2409 | } | |
2410 | ||
2411 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2412 | symbol_name = input_line_pointer; | |
2413 | name_end = get_symbol_end (); | |
2414 | ||
2415 | /* Assume that the symbol referred to by .tag is always defined. | |
2416 | This was a bad assumption. I've added find_or_make. xoxorich. */ | |
2417 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, | |
2418 | (long) tag_find_or_make (symbol_name)); | |
2419 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
2420 | { | |
2421 | as_warn ("tag not found for .tag %s", symbol_name); | |
2422 | } /* not defined */ | |
2423 | ||
2424 | SF_SET_TAGGED (def_symbol_in_progress); | |
2425 | *input_line_pointer = name_end; | |
2426 | ||
2427 | demand_empty_rest_of_line (); | |
2428 | } | |
2429 | ||
2430 | static void | |
2431 | obj_coff_type (ignore) | |
2432 | int ignore; | |
2433 | { | |
2434 | if (def_symbol_in_progress == NULL) | |
2435 | { | |
2436 | as_warn (".type pseudo-op used outside of .def/.endef ignored."); | |
2437 | demand_empty_rest_of_line (); | |
2438 | return; | |
2439 | } /* if not inside .def/.endef */ | |
2440 | ||
2441 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2442 | ||
2443 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2444 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
2445 | { | |
2446 | SF_SET_FUNCTION (def_symbol_in_progress); | |
2447 | } /* is a function */ | |
2448 | ||
2449 | demand_empty_rest_of_line (); | |
2450 | } | |
2451 | ||
2452 | static void | |
2453 | obj_coff_val (ignore) | |
2454 | int ignore; | |
2455 | { | |
2456 | if (def_symbol_in_progress == NULL) | |
2457 | { | |
2458 | as_warn (".val pseudo-op used outside of .def/.endef ignored."); | |
2459 | demand_empty_rest_of_line (); | |
2460 | return; | |
2461 | } /* if not inside .def/.endef */ | |
2462 | ||
2463 | if (is_name_beginner (*input_line_pointer)) | |
2464 | { | |
2465 | char *symbol_name = input_line_pointer; | |
2466 | char name_end = get_symbol_end (); | |
2467 | ||
2468 | if (!strcmp (symbol_name, ".")) | |
2469 | { | |
2470 | def_symbol_in_progress->sy_frag = frag_now; | |
2471 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2472 | /* If the .val is != from the .def (e.g. statics) */ | |
2473 | } | |
2474 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
2475 | { | |
2476 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2477 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2478 | symbol_find_or_make (symbol_name); | |
2479 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2480 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2481 | ||
2482 | /* If the segment is undefined when the forward reference is | |
2483 | resolved, then copy the segment id from the forward | |
2484 | symbol. */ | |
2485 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2486 | ||
2487 | /* FIXME: gcc can generate address expressions | |
2488 | here in unusual cases (search for "obscure" | |
2489 | in sdbout.c). We just ignore the offset | |
2490 | here, thus generating incorrect debugging | |
2491 | information. We ignore the rest of the | |
2492 | line just below. */ | |
2493 | } | |
2494 | /* Otherwise, it is the name of a non debug symbol and | |
2495 | its value will be calculated later. */ | |
2496 | *input_line_pointer = name_end; | |
2497 | ||
2498 | /* FIXME: this is to avoid an error message in the | |
2499 | FIXME case mentioned just above. */ | |
2500 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2501 | ++input_line_pointer; | |
2502 | } | |
2503 | else | |
2504 | { | |
2505 | S_SET_VALUE (def_symbol_in_progress, | |
2506 | (valueT) get_absolute_expression ()); | |
2507 | } /* if symbol based */ | |
2508 | ||
2509 | demand_empty_rest_of_line (); | |
2510 | } | |
2511 | ||
ff406bd3 ILT |
2512 | #ifdef TE_PE |
2513 | ||
2514 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
2515 | read.c, which then calls this object file format specific routine. */ | |
2516 | ||
2517 | void | |
2518 | obj_coff_pe_handle_link_once (type) | |
2519 | enum linkonce_type type; | |
2520 | { | |
2521 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
2522 | ||
2523 | /* We store the type in the seg_info structure, and use it to set up | |
2524 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
2525 | seg_info (now_seg)->linkonce = type; | |
2526 | } | |
2527 | ||
2528 | #endif /* TE_PE */ | |
2529 | ||
2283f8a0 KR |
2530 | void |
2531 | obj_read_begin_hook () | |
2532 | { | |
2533 | /* These had better be the same. Usually 18 bytes. */ | |
2534 | #ifndef BFD_HEADERS | |
2535 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2536 | know (SYMESZ == AUXESZ); | |
2537 | #endif | |
2538 | tag_init (); | |
2539 | } | |
2540 | ||
2541 | /* This function runs through the symbol table and puts all the | |
2542 | externals onto another chain */ | |
2543 | ||
a91c6b08 ILT |
2544 | /* The chain of globals. */ |
2545 | symbolS *symbol_globalP; | |
2546 | symbolS *symbol_global_lastP; | |
2547 | ||
2283f8a0 | 2548 | /* The chain of externals */ |
eb4fd16f ILT |
2549 | symbolS *symbol_externP; |
2550 | symbolS *symbol_extern_lastP; | |
2283f8a0 KR |
2551 | |
2552 | stack *block_stack; | |
eb4fd16f | 2553 | symbolS *last_functionP; |
ff406bd3 | 2554 | static symbolS *last_bfP; |
2283f8a0 KR |
2555 | symbolS *last_tagP; |
2556 | ||
2557 | static unsigned int | |
2558 | yank_symbols () | |
2559 | { | |
2560 | symbolS *symbolP; | |
2561 | unsigned int symbol_number = 0; | |
2562 | unsigned int last_file_symno = 0; | |
2563 | ||
e5c5ce23 SC |
2564 | struct filename_list *filename_list_scan = filename_list_head; |
2565 | ||
2283f8a0 KR |
2566 | for (symbolP = symbol_rootP; |
2567 | symbolP; | |
2568 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2569 | { | |
1356d77d ILT |
2570 | if (symbolP->sy_mri_common) |
2571 | { | |
2572 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2573 | as_bad ("%s: global symbols not supported in common sections", | |
2574 | S_GET_NAME (symbolP)); | |
2575 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2576 | continue; | |
2577 | } | |
2578 | ||
2283f8a0 KR |
2579 | if (!SF_GET_DEBUG (symbolP)) |
2580 | { | |
2581 | /* Debug symbols do not need all this rubbish */ | |
2582 | symbolS *real_symbolP; | |
2583 | ||
2584 | /* L* and C_EFCN symbols never merge. */ | |
2585 | if (!SF_GET_LOCAL (symbolP) | |
d4d7d98c | 2586 | && !SF_GET_STATICS (symbolP) |
2283f8a0 KR |
2587 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL |
2588 | && symbolP->sy_value.X_op == O_constant | |
2589 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
2590 | && real_symbolP != symbolP) | |
2591 | { | |
2592 | /* FIXME-SOON: where do dups come from? | |
2593 | Maybe tag references before definitions? xoxorich. */ | |
2594 | /* Move the debug data from the debug symbol to the | |
2595 | real symbol. Do NOT do the oposite (i.e. move from | |
2596 | real symbol to debug symbol and remove real symbol from the | |
2597 | list.) Because some pointers refer to the real symbol | |
2598 | whereas no pointers refer to the debug symbol. */ | |
2599 | c_symbol_merge (symbolP, real_symbolP); | |
2600 | /* Replace the current symbol by the real one */ | |
2601 | /* The symbols will never be the last or the first | |
2602 | because : 1st symbol is .file and 3 last symbols are | |
2603 | .text, .data, .bss */ | |
2604 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); | |
2605 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
2606 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2607 | symbolP = real_symbolP; | |
2608 | } /* if not local but dup'd */ | |
2609 | ||
def66e24 | 2610 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) |
2283f8a0 KR |
2611 | { |
2612 | S_SET_SEGMENT (symbolP, SEG_E0); | |
2613 | } /* push data into text */ | |
2614 | ||
2615 | resolve_symbol_value (symbolP); | |
2616 | ||
2617 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
2618 | { | |
2619 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
2620 | { | |
2621 | S_SET_EXTERNAL (symbolP); | |
2622 | } | |
2623 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) | |
2624 | { | |
2625 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); | |
2626 | } | |
2627 | else | |
2628 | { | |
2629 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
2630 | } | |
2631 | } | |
2632 | ||
2633 | /* Mainly to speed up if not -g */ | |
2634 | if (SF_GET_PROCESS (symbolP)) | |
2635 | { | |
2636 | /* Handle the nested blocks auxiliary info. */ | |
2637 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) | |
2638 | { | |
2639 | if (!strcmp (S_GET_NAME (symbolP), ".bb")) | |
2640 | stack_push (block_stack, (char *) &symbolP); | |
2641 | else | |
2642 | { /* .eb */ | |
2643 | register symbolS *begin_symbolP; | |
2644 | begin_symbolP = *(symbolS **) stack_pop (block_stack); | |
2645 | if (begin_symbolP == (symbolS *) 0) | |
2646 | as_warn ("mismatched .eb"); | |
2647 | else | |
2648 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
2649 | } | |
2650 | } | |
2651 | /* If we are able to identify the type of a function, and we | |
2652 | are out of a function (last_functionP == 0) then, the | |
2653 | function symbol will be associated with an auxiliary | |
2654 | entry. */ | |
2655 | if (last_functionP == (symbolS *) 0 && | |
2656 | SF_GET_FUNCTION (symbolP)) | |
2657 | { | |
2658 | last_functionP = symbolP; | |
2659 | ||
2660 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
2661 | { | |
2662 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
2663 | } /* make it at least 1 */ | |
2664 | ||
2665 | /* Clobber possible stale .dim information. */ | |
2666 | #if 0 | |
2667 | /* Iffed out by steve - this fries the lnnoptr info too */ | |
2668 | bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen, | |
2669 | sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen)); | |
2670 | #endif | |
2671 | } | |
ff406bd3 ILT |
2672 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) |
2673 | { | |
2674 | if (strcmp (S_GET_NAME (symbolP), ".bf") == 0) | |
2675 | { | |
2676 | if (last_bfP != NULL) | |
2677 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
2678 | last_bfP = symbolP; | |
2679 | } | |
2680 | } | |
2681 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
2283f8a0 | 2682 | { |
ff406bd3 ILT |
2683 | /* I don't even know if this is needed for sdb. But |
2684 | the standard assembler generates it, so... */ | |
2283f8a0 KR |
2685 | if (last_functionP == (symbolS *) 0) |
2686 | as_fatal ("C_EFCN symbol out of scope"); | |
2687 | SA_SET_SYM_FSIZE (last_functionP, | |
2688 | (long) (S_GET_VALUE (symbolP) - | |
2689 | S_GET_VALUE (last_functionP))); | |
2690 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
2691 | last_functionP = (symbolS *) 0; | |
2692 | } | |
2693 | } | |
2694 | } | |
2695 | else if (SF_GET_TAG (symbolP)) | |
2696 | { | |
2697 | /* First descriptor of a structure must point to | |
2698 | the first slot after the structure description. */ | |
2699 | last_tagP = symbolP; | |
2700 | ||
2701 | } | |
2702 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) | |
2703 | { | |
2704 | /* +2 take in account the current symbol */ | |
2705 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); | |
2706 | } | |
2707 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) | |
2708 | { | |
e5c5ce23 SC |
2709 | /* If the filename was too long to fit in the |
2710 | auxent, put it in the string table */ | |
6648d3ae ILT |
2711 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
2712 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
e5c5ce23 SC |
2713 | { |
2714 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
2715 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
2716 | filename_list_scan = filename_list_scan->next; | |
2717 | } | |
2283f8a0 KR |
2718 | if (S_GET_VALUE (symbolP)) |
2719 | { | |
2720 | S_SET_VALUE (symbolP, last_file_symno); | |
2721 | last_file_symno = symbol_number; | |
2722 | } /* no one points at the first .file symbol */ | |
2723 | } /* if debug or tag or eos or file */ | |
2724 | ||
2725 | /* We must put the external symbols apart. The loader | |
2726 | does not bomb if we do not. But the references in | |
2727 | the endndx field for a .bb symbol are not corrected | |
2728 | if an external symbol is removed between .bb and .be. | |
2729 | I.e in the following case : | |
2730 | [20] .bb endndx = 22 | |
2731 | [21] foo external | |
2732 | [22] .be | |
2733 | ld will move the symbol 21 to the end of the list but | |
2734 | endndx will still be 22 instead of 21. */ | |
2735 | ||
2736 | ||
2737 | if (SF_GET_LOCAL (symbolP)) | |
2738 | { | |
2739 | /* remove C_EFCN and LOCAL (L...) symbols */ | |
2740 | /* next pointer remains valid */ | |
2741 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2742 | ||
2743 | } | |
71dd3c40 ILT |
2744 | else if (symbolP->sy_value.X_op == O_symbol |
2745 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
2746 | { | |
2747 | /* Skip symbols which were equated to undefined or common | |
2748 | symbols. */ | |
2749 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2750 | } | |
2283f8a0 KR |
2751 | else if (!S_IS_DEFINED (symbolP) |
2752 | && !S_IS_DEBUG (symbolP) | |
2753 | && !SF_GET_STATICS (symbolP) && | |
2754 | S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2755 | { /* C_EXT && !SF_GET_FUNCTION(symbolP)) */ | |
2756 | /* if external, Remove from the list */ | |
2757 | symbolS *hold = symbol_previous (symbolP); | |
2758 | ||
2759 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2760 | symbol_clear_list_pointers (symbolP); | |
2761 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
2762 | symbolP = hold; | |
2763 | } | |
a91c6b08 ILT |
2764 | else if (! S_IS_DEBUG (symbolP) |
2765 | && ! SF_GET_STATICS (symbolP) | |
2766 | && ! SF_GET_FUNCTION (symbolP) | |
2767 | && S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2768 | { | |
2769 | symbolS *hold = symbol_previous (symbolP); | |
2770 | ||
2771 | /* The O'Reilly COFF book says that defined global symbols | |
2772 | come at the end of the symbol table, just before | |
2773 | undefined global symbols. */ | |
2774 | ||
2775 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2776 | symbol_clear_list_pointers (symbolP); | |
2777 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
2778 | &symbol_global_lastP); | |
2779 | symbolP = hold; | |
2780 | } | |
2283f8a0 KR |
2781 | else |
2782 | { | |
2783 | if (SF_GET_STRING (symbolP)) | |
2784 | { | |
2785 | symbolP->sy_name_offset = string_byte_count; | |
2786 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
2787 | } | |
2788 | else | |
2789 | { | |
2790 | symbolP->sy_name_offset = 0; | |
2791 | } /* fix "long" names */ | |
2792 | ||
2793 | symbolP->sy_number = symbol_number; | |
2794 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
2795 | } /* if local symbol */ | |
2796 | } /* traverse the symbol list */ | |
2797 | return symbol_number; | |
2798 | ||
2799 | } | |
2800 | ||
2801 | ||
2802 | static unsigned int | |
a91c6b08 ILT |
2803 | glue_symbols (head, tail) |
2804 | symbolS **head; | |
2805 | symbolS **tail; | |
2283f8a0 KR |
2806 | { |
2807 | unsigned int symbol_number = 0; | |
2808 | symbolS *symbolP; | |
a91c6b08 ILT |
2809 | |
2810 | for (symbolP = *head; *head != NULL;) | |
2283f8a0 | 2811 | { |
a91c6b08 | 2812 | symbolS *tmp = *head; |
2283f8a0 KR |
2813 | |
2814 | /* append */ | |
a91c6b08 | 2815 | symbol_remove (tmp, head, tail); |
2283f8a0 KR |
2816 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); |
2817 | ||
2818 | /* and process */ | |
2819 | if (SF_GET_STRING (tmp)) | |
2820 | { | |
2821 | tmp->sy_name_offset = string_byte_count; | |
2822 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
2823 | } | |
2824 | else | |
2825 | { | |
2826 | tmp->sy_name_offset = 0; | |
2827 | } /* fix "long" names */ | |
2828 | ||
2829 | tmp->sy_number = symbol_number; | |
2830 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
2831 | } /* append the entire extern chain */ | |
2283f8a0 | 2832 | |
a91c6b08 | 2833 | return symbol_number; |
2283f8a0 KR |
2834 | } |
2835 | ||
2836 | static unsigned int | |
2837 | tie_tags () | |
2838 | { | |
2839 | unsigned int symbol_number = 0; | |
2840 | ||
2841 | symbolS *symbolP; | |
2842 | for (symbolP = symbol_rootP; symbolP; symbolP = | |
2843 | symbol_next (symbolP)) | |
2844 | { | |
2845 | symbolP->sy_number = symbol_number; | |
2846 | ||
2847 | ||
2848 | ||
2849 | if (SF_GET_TAGGED (symbolP)) | |
2850 | { | |
2851 | SA_SET_SYM_TAGNDX | |
2852 | (symbolP, | |
2853 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
2854 | } | |
2855 | ||
2856 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
2857 | } | |
2858 | return symbol_number; | |
2859 | ||
2860 | } | |
2861 | ||
2862 | static void | |
2863 | crawl_symbols (h, abfd) | |
2864 | object_headers *h; | |
2865 | bfd * abfd; | |
2866 | { | |
2867 | unsigned int i; | |
2868 | ||
2869 | /* Initialize the stack used to keep track of the matching .bb .be */ | |
2870 | ||
2871 | block_stack = stack_init (512, sizeof (symbolS *)); | |
2872 | ||
2873 | /* The symbol list should be ordered according to the following sequence | |
2874 | * order : | |
2875 | * . .file symbol | |
2876 | * . debug entries for functions | |
2877 | * . fake symbols for the sections, including.text .data and .bss | |
2878 | * . defined symbols | |
2879 | * . undefined symbols | |
2880 | * But this is not mandatory. The only important point is to put the | |
2881 | * undefined symbols at the end of the list. | |
2882 | */ | |
2883 | ||
2884 | if (symbol_rootP == NULL | |
2885 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
2886 | { | |
2887 | c_dot_file_symbol ("fake"); | |
2888 | } | |
2889 | /* Is there a .file symbol ? If not insert one at the beginning. */ | |
2890 | ||
2891 | /* | |
2892 | * Build up static symbols for the sections, they are filled in later | |
2893 | */ | |
2894 | ||
2895 | ||
ff406bd3 | 2896 | for (i = SEG_E0; i < SEG_LAST; i++) |
7681eb9d ILT |
2897 | if (segment_info[i].scnhdr.s_name[0]) |
2898 | segment_info[i].dot = c_section_symbol (segment_info[i].name, | |
2899 | i - SEG_E0 + 1); | |
2283f8a0 KR |
2900 | |
2901 | /* Take all the externals out and put them into another chain */ | |
2902 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); | |
2903 | /* Take the externals and glue them onto the end.*/ | |
a91c6b08 ILT |
2904 | H_SET_SYMBOL_TABLE_SIZE (h, |
2905 | (H_GET_SYMBOL_COUNT (h) | |
2906 | + glue_symbols (&symbol_globalP, | |
2907 | &symbol_global_lastP) | |
2908 | + glue_symbols (&symbol_externP, | |
2909 | &symbol_extern_lastP))); | |
2283f8a0 KR |
2910 | |
2911 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
a91c6b08 ILT |
2912 | know (symbol_globalP == NULL); |
2913 | know (symbol_global_lastP == NULL); | |
2283f8a0 KR |
2914 | know (symbol_externP == NULL); |
2915 | know (symbol_extern_lastP == NULL); | |
2916 | } | |
2917 | ||
2918 | /* | |
2919 | * Find strings by crawling along symbol table chain. | |
2920 | */ | |
2921 | ||
2922 | void | |
2923 | w_strings (where) | |
2924 | char *where; | |
2925 | { | |
2926 | symbolS *symbolP; | |
e5c5ce23 | 2927 | struct filename_list *filename_list_scan = filename_list_head; |
2283f8a0 KR |
2928 | |
2929 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ | |
2930 | md_number_to_chars (where, (valueT) string_byte_count, 4); | |
2931 | where += 4; | |
7681eb9d ILT |
2932 | |
2933 | #ifdef COFF_LONG_SECTION_NAMES | |
2934 | /* Support long section names as found in PE. This code must | |
2935 | coordinate with that in coff_header_append and write_object_file. */ | |
6648d3ae ILT |
2936 | { |
2937 | unsigned int i; | |
7681eb9d | 2938 | |
6648d3ae ILT |
2939 | for (i = SEG_E0; i < SEG_LAST; i++) |
2940 | { | |
2941 | if (segment_info[i].scnhdr.s_name[0] | |
2942 | && strlen (segment_info[i].name) > SCNNMLEN) | |
2943 | { | |
2944 | unsigned int size; | |
2945 | ||
2946 | size = strlen (segment_info[i].name) + 1; | |
2947 | memcpy (where, segment_info[i].name, size); | |
2948 | where += size; | |
2949 | } | |
2950 | } | |
2951 | } | |
7681eb9d ILT |
2952 | #endif /* COFF_LONG_SECTION_NAMES */ |
2953 | ||
2283f8a0 KR |
2954 | for (symbolP = symbol_rootP; |
2955 | symbolP; | |
2956 | symbolP = symbol_next (symbolP)) | |
2957 | { | |
2958 | unsigned int size; | |
2959 | ||
2960 | if (SF_GET_STRING (symbolP)) | |
2961 | { | |
2962 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
2283f8a0 KR |
2963 | memcpy (where, S_GET_NAME (symbolP), size); |
2964 | where += size; | |
e5c5ce23 SC |
2965 | } |
2966 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
6648d3ae ILT |
2967 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
2968 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
e5c5ce23 SC |
2969 | { |
2970 | size = strlen (filename_list_scan->filename) + 1; | |
2971 | memcpy (where, filename_list_scan->filename, size); | |
2972 | filename_list_scan = filename_list_scan ->next; | |
2973 | where += size; | |
2283f8a0 KR |
2974 | } |
2975 | } | |
2976 | } | |
2977 | ||
2978 | static void | |
2979 | do_linenos_for (abfd, h, file_cursor) | |
2980 | bfd * abfd; | |
2981 | object_headers * h; | |
2982 | unsigned long *file_cursor; | |
2983 | { | |
2984 | unsigned int idx; | |
2985 | unsigned long start = *file_cursor; | |
2986 | ||
ff406bd3 | 2987 | for (idx = SEG_E0; idx < SEG_LAST; idx++) |
2283f8a0 KR |
2988 | { |
2989 | segment_info_type *s = segment_info + idx; | |
2990 | ||
2991 | ||
2992 | if (s->scnhdr.s_nlnno != 0) | |
2993 | { | |
2994 | struct lineno_list *line_ptr; | |
2995 | ||
2996 | struct external_lineno *buffer = | |
2997 | (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); | |
2998 | ||
2999 | struct external_lineno *dst = buffer; | |
3000 | ||
3001 | /* Run through the table we've built and turn it into its external | |
3002 | form, take this chance to remove duplicates */ | |
3003 | ||
3004 | for (line_ptr = s->lineno_list_head; | |
3005 | line_ptr != (struct lineno_list *) NULL; | |
3006 | line_ptr = line_ptr->next) | |
3007 | { | |
3008 | ||
3009 | if (line_ptr->line.l_lnno == 0) | |
3010 | { | |
3011 | /* Turn a pointer to a symbol into the symbols' index */ | |
3012 | line_ptr->line.l_addr.l_symndx = | |
3013 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
3014 | } | |
3015 | else | |
3016 | { | |
3017 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; | |
3018 | } | |
3019 | ||
3020 | ||
3021 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); | |
3022 | dst++; | |
3023 | ||
3024 | } | |
3025 | ||
3026 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3027 | ||
3028 | bfd_write (buffer, 1, s->scnhdr.s_nlnno * LINESZ, abfd); | |
3029 | free (buffer); | |
3030 | ||
3031 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3032 | } | |
3033 | } | |
3034 | H_SET_LINENO_SIZE (h, *file_cursor - start); | |
3035 | } | |
3036 | ||
3037 | ||
3038 | /* Now we run through the list of frag chains in a segment and | |
3039 | make all the subsegment frags appear at the end of the | |
3040 | list, as if the seg 0 was extra long */ | |
3041 | ||
3042 | static void | |
3043 | remove_subsegs () | |
3044 | { | |
3045 | unsigned int i; | |
3046 | ||
3047 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3048 | { | |
3049 | frchainS *head = segment_info[i].frchainP; | |
3050 | fragS dummy; | |
3051 | fragS *prev_frag = &dummy; | |
3052 | ||
3053 | while (head && head->frch_seg == i) | |
3054 | { | |
3055 | prev_frag->fr_next = head->frch_root; | |
3056 | prev_frag = head->frch_last; | |
3057 | head = head->frch_next; | |
3058 | } | |
3059 | prev_frag->fr_next = 0; | |
3060 | } | |
3061 | } | |
3062 | ||
3063 | unsigned long machine; | |
3064 | int coff_flags; | |
3065 | extern void | |
3066 | write_object_file () | |
3067 | { | |
3068 | int i; | |
ba97ba7e | 3069 | const char *name; |
2283f8a0 KR |
3070 | struct frchain *frchain_ptr; |
3071 | ||
3072 | object_headers headers; | |
3073 | unsigned long file_cursor; | |
3074 | bfd *abfd; | |
3075 | unsigned int addr; | |
3076 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
3077 | ||
3078 | ||
3079 | if (abfd == 0) | |
3080 | { | |
3081 | as_perror ("FATAL: Can't create %s", out_file_name); | |
460531da | 3082 | exit (EXIT_FAILURE); |
2283f8a0 KR |
3083 | } |
3084 | bfd_set_format (abfd, bfd_object); | |
3085 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
3086 | ||
3087 | string_byte_count = 4; | |
3088 | ||
3089 | for (frchain_ptr = frchain_root; | |
3090 | frchain_ptr != (struct frchain *) NULL; | |
3091 | frchain_ptr = frchain_ptr->frch_next) | |
3092 | { | |
eb4fd16f ILT |
3093 | /* Run through all the sub-segments and align them up. Also |
3094 | close any open frags. We tack a .fill onto the end of the | |
3095 | frag chain so that any .align's size can be worked by looking | |
3096 | at the next frag. */ | |
2283f8a0 KR |
3097 | |
3098 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); | |
3099 | #ifndef SUB_SEGMENT_ALIGN | |
3100 | #define SUB_SEGMENT_ALIGN(SEG) 1 | |
0fa6f8f6 ILT |
3101 | #endif |
3102 | #ifdef md_do_align | |
464070de ILT |
3103 | { |
3104 | static char nop = NOP_OPCODE; | |
71dd3c40 | 3105 | md_do_align (SUB_SEGMENT_ALIGN (now_seg), &nop, 1, alignment_done); |
464070de | 3106 | } |
2283f8a0 KR |
3107 | #endif |
3108 | frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE); | |
0fa6f8f6 ILT |
3109 | #ifdef md_do_align |
3110 | alignment_done: | |
3111 | #endif | |
2283f8a0 KR |
3112 | frag_wane (frag_now); |
3113 | frag_now->fr_fix = 0; | |
3114 | know (frag_now->fr_next == NULL); | |
3115 | } | |
3116 | ||
3117 | ||
3118 | remove_subsegs (); | |
3119 | ||
3120 | ||
3121 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3122 | { | |
3123 | relax_segment (segment_info[i].frchainP->frch_root, i); | |
3124 | } | |
3125 | ||
3126 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); | |
3127 | ||
3128 | /* Find out how big the sections are, and set the addresses. */ | |
3129 | addr = 0; | |
3130 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3131 | { | |
3132 | long size; | |
3133 | ||
3134 | segment_info[i].scnhdr.s_paddr = addr; | |
3135 | segment_info[i].scnhdr.s_vaddr = addr; | |
3136 | ||
3137 | if (segment_info[i].scnhdr.s_name[0]) | |
3138 | { | |
3139 | H_SET_NUMBER_OF_SECTIONS (&headers, | |
3140 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
7681eb9d ILT |
3141 | |
3142 | #ifdef COFF_LONG_SECTION_NAMES | |
3143 | /* Support long section names as found in PE. This code | |
3144 | must coordinate with that in coff_header_append and | |
3145 | w_strings. */ | |
3146 | { | |
3147 | unsigned int len; | |
3148 | ||
3149 | len = strlen (segment_info[i].name); | |
3150 | if (len > SCNNMLEN) | |
3151 | string_byte_count += len + 1; | |
3152 | } | |
3153 | #endif /* COFF_LONG_SECTION_NAMES */ | |
2283f8a0 KR |
3154 | } |
3155 | ||
3156 | size = size_section (abfd, (unsigned int) i); | |
3157 | addr += size; | |
3158 | ||
eb4fd16f ILT |
3159 | /* I think the section alignment is only used on the i960; the |
3160 | i960 needs it, and it should do no harm on other targets. */ | |
66b935da | 3161 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; |
eb4fd16f | 3162 | |
2283f8a0 KR |
3163 | if (i == SEG_E0) |
3164 | H_SET_TEXT_SIZE (&headers, size); | |
3165 | else if (i == SEG_E1) | |
3166 | H_SET_DATA_SIZE (&headers, size); | |
3167 | else if (i == SEG_E2) | |
3168 | H_SET_BSS_SIZE (&headers, size); | |
3169 | } | |
3170 | ||
3171 | /* Turn the gas native symbol table shape into a coff symbol table */ | |
3172 | crawl_symbols (&headers, abfd); | |
3173 | ||
3174 | if (string_byte_count == 4) | |
3175 | string_byte_count = 0; | |
3176 | ||
3177 | H_SET_STRING_SIZE (&headers, string_byte_count); | |
3178 | ||
a91c6b08 ILT |
3179 | #ifdef tc_frob_file |
3180 | tc_frob_file (); | |
3181 | #endif | |
3182 | ||
2283f8a0 KR |
3183 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
3184 | { | |
3185 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); | |
3186 | fixup_segment (&segment_info[i], i); | |
3187 | } | |
2283f8a0 KR |
3188 | |
3189 | /* Look for ".stab" segments and fill in their initial symbols | |
3190 | correctly. */ | |
3191 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3192 | { | |
7681eb9d | 3193 | name = segment_info[i].name; |
2283f8a0 KR |
3194 | |
3195 | if (name != NULL | |
3196 | && strncmp (".stab", name, 5) == 0 | |
3197 | && strncmp (".stabstr", name, 8) != 0) | |
3198 | adjust_stab_section (abfd, i); | |
3199 | } | |
3200 | ||
3201 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); | |
3202 | ||
3203 | bfd_seek (abfd, (file_ptr) file_cursor, 0); | |
3204 | ||
3205 | /* Plant the data */ | |
3206 | ||
3207 | fill_section (abfd, &headers, &file_cursor); | |
3208 | ||
3209 | do_relocs_for (abfd, &headers, &file_cursor); | |
3210 | ||
3211 | do_linenos_for (abfd, &headers, &file_cursor); | |
3212 | ||
3213 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
3214 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
30355216 | 3215 | H_SET_TIME_STAMP (&headers, (long)time((time_t *)0)); |
2283f8a0 KR |
3216 | #else |
3217 | H_SET_TIME_STAMP (&headers, 0); | |
3218 | #endif | |
eb4fd16f ILT |
3219 | #ifdef TC_COFF_SET_MACHINE |
3220 | TC_COFF_SET_MACHINE (&headers); | |
3221 | #endif | |
2283f8a0 | 3222 | |
df0f11ff DE |
3223 | #ifndef COFF_FLAGS |
3224 | #define COFF_FLAGS 0 | |
3225 | #endif | |
3226 | ||
2283f8a0 KR |
3227 | #ifdef KEEP_RELOC_INFO |
3228 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3229 | COFF_FLAGS | coff_flags)); | |
3230 | #else | |
3231 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3232 | (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | | |
3233 | COFF_FLAGS | coff_flags)); | |
3234 | #endif | |
3235 | ||
3236 | { | |
3237 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
3238 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
3239 | ||
3240 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); | |
3241 | w_symbols (abfd, buffer1, symbol_rootP); | |
3242 | if (string_byte_count > 0) | |
3243 | w_strings (buffer1 + symtable_size); | |
3244 | bfd_write (buffer1, 1, symtable_size + string_byte_count, abfd); | |
3245 | free (buffer1); | |
3246 | } | |
3247 | ||
3248 | coff_header_append (abfd, &headers); | |
3249 | #if 0 | |
3250 | /* Recent changes to write need this, but where it should | |
3251 | go is up to Ken.. */ | |
3252 | if (bfd_close_all_done (abfd) == false) | |
3253 | as_fatal ("Can't close %s: %s", out_file_name, | |
3254 | bfd_errmsg (bfd_get_error ())); | |
3255 | #else | |
3256 | { | |
3257 | extern bfd *stdoutput; | |
3258 | stdoutput = abfd; | |
3259 | } | |
3260 | #endif | |
3261 | ||
3262 | } | |
3263 | ||
3264 | /* Add a new segment. This is called from subseg_new via the | |
3265 | obj_new_segment macro. */ | |
3266 | ||
3267 | segT | |
3268 | obj_coff_add_segment (name) | |
3269 | const char *name; | |
3270 | { | |
2283f8a0 KR |
3271 | unsigned int i; |
3272 | ||
7681eb9d ILT |
3273 | #ifndef COFF_LONG_SECTION_NAMES |
3274 | char buf[SCNNMLEN + 1]; | |
3275 | ||
3276 | strncpy (buf, name, SCNNMLEN); | |
3277 | buf[SCNNMLEN] = '\0'; | |
3278 | name = buf; | |
3279 | #endif | |
3280 | ||
ff406bd3 | 3281 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) |
7681eb9d | 3282 | if (strcmp (name, segment_info[i].name) == 0) |
2283f8a0 KR |
3283 | return (segT) i; |
3284 | ||
ff406bd3 | 3285 | if (i == SEG_LAST) |
2283f8a0 KR |
3286 | { |
3287 | as_bad ("Too many new sections; can't add \"%s\"", name); | |
3288 | return now_seg; | |
3289 | } | |
3290 | ||
3291 | /* Add a new section. */ | |
3292 | strncpy (segment_info[i].scnhdr.s_name, name, | |
3293 | sizeof (segment_info[i].scnhdr.s_name)); | |
3294 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
7681eb9d | 3295 | segment_info[i].name = xstrdup (name); |
2283f8a0 KR |
3296 | |
3297 | return (segT) i; | |
3298 | } | |
3299 | ||
3300 | /* | |
3301 | * implement the .section pseudo op: | |
3302 | * .section name {, "flags"} | |
3303 | * ^ ^ | |
3304 | * | +--- optional flags: 'b' for bss | |
3305 | * | 'i' for info | |
3306 | * +-- section name 'l' for lib | |
3307 | * 'n' for noload | |
3308 | * 'o' for over | |
3309 | * 'w' for data | |
3310 | * 'd' (apparently m88k for data) | |
3311 | * 'x' for text | |
3312 | * But if the argument is not a quoted string, treat it as a | |
3313 | * subsegment number. | |
3314 | */ | |
3315 | ||
3316 | void | |
3317 | obj_coff_section (ignore) | |
3318 | int ignore; | |
3319 | { | |
3320 | /* Strip out the section name */ | |
116bf30f | 3321 | char *section_name, *name; |
2283f8a0 | 3322 | char c; |
2283f8a0 KR |
3323 | unsigned int exp; |
3324 | long flags; | |
3325 | ||
7ab1edc8 ILT |
3326 | if (flag_mri) |
3327 | { | |
3328 | char type; | |
3329 | ||
3330 | s_mri_sect (&type); | |
3331 | flags = 0; | |
3332 | if (type == 'C') | |
3333 | flags = STYP_TEXT; | |
3334 | else if (type == 'D') | |
3335 | flags = STYP_DATA; | |
3336 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3337 | ||
3338 | return; | |
3339 | } | |
3340 | ||
2283f8a0 KR |
3341 | section_name = input_line_pointer; |
3342 | c = get_symbol_end (); | |
2283f8a0 | 3343 | |
116bf30f ILT |
3344 | name = xmalloc (input_line_pointer - section_name + 1); |
3345 | strcpy (name, section_name); | |
2283f8a0 | 3346 | |
116bf30f | 3347 | *input_line_pointer = c; |
2283f8a0 KR |
3348 | |
3349 | exp = 0; | |
3350 | flags = 0; | |
116bf30f ILT |
3351 | |
3352 | SKIP_WHITESPACE (); | |
3353 | if (*input_line_pointer == ',') | |
2283f8a0 | 3354 | { |
116bf30f ILT |
3355 | ++input_line_pointer; |
3356 | SKIP_WHITESPACE (); | |
3357 | ||
2283f8a0 KR |
3358 | if (*input_line_pointer != '"') |
3359 | exp = get_absolute_expression (); | |
3360 | else | |
3361 | { | |
3362 | ++input_line_pointer; | |
3363 | while (*input_line_pointer != '"' | |
3364 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3365 | { | |
3366 | switch (*input_line_pointer) | |
3367 | { | |
3368 | case 'b': flags |= STYP_BSS; break; | |
3369 | case 'i': flags |= STYP_INFO; break; | |
3370 | case 'l': flags |= STYP_LIB; break; | |
3371 | case 'n': flags |= STYP_NOLOAD; break; | |
3372 | case 'o': flags |= STYP_OVER; break; | |
3373 | case 'd': | |
3374 | case 'w': flags |= STYP_DATA; break; | |
3375 | case 'x': flags |= STYP_TEXT; break; | |
3376 | default: | |
3377 | as_warn("unknown section attribute '%c'", | |
3378 | *input_line_pointer); | |
3379 | break; | |
3380 | } | |
3381 | ++input_line_pointer; | |
3382 | } | |
3383 | if (*input_line_pointer == '"') | |
3384 | ++input_line_pointer; | |
3385 | } | |
3386 | } | |
3387 | ||
116bf30f | 3388 | subseg_new (name, (subsegT) exp); |
2283f8a0 KR |
3389 | |
3390 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3391 | ||
116bf30f | 3392 | demand_empty_rest_of_line (); |
2283f8a0 KR |
3393 | } |
3394 | ||
3395 | ||
3396 | static void | |
3397 | obj_coff_text (ignore) | |
3398 | int ignore; | |
3399 | { | |
3400 | subseg_new (".text", get_absolute_expression ()); | |
3401 | } | |
3402 | ||
3403 | ||
3404 | static void | |
3405 | obj_coff_data (ignore) | |
3406 | int ignore; | |
3407 | { | |
def66e24 | 3408 | if (flag_readonly_data_in_text) |
2283f8a0 KR |
3409 | subseg_new (".text", get_absolute_expression () + 1000); |
3410 | else | |
3411 | subseg_new (".data", get_absolute_expression ()); | |
3412 | } | |
3413 | ||
3414 | static void | |
3415 | obj_coff_bss (ignore) | |
3416 | int ignore; | |
3417 | { | |
3418 | if (*input_line_pointer == '\n') /* .bss */ | |
3419 | subseg_new(".bss", get_absolute_expression()); | |
3420 | else /* .bss id,expr */ | |
3421 | obj_coff_lcomm(0); | |
3422 | } | |
3423 | ||
3424 | static void | |
3425 | obj_coff_ident (ignore) | |
3426 | int ignore; | |
3427 | { | |
3428 | segT current_seg = now_seg; /* save current seg */ | |
3429 | subsegT current_subseg = now_subseg; | |
3430 | subseg_new (".comment", 0); /* .comment seg */ | |
3431 | stringer (1); /* read string */ | |
3432 | subseg_set (current_seg, current_subseg); /* restore current seg */ | |
3433 | } | |
3434 | ||
3435 | void | |
3436 | c_symbol_merge (debug, normal) | |
3437 | symbolS *debug; | |
3438 | symbolS *normal; | |
3439 | { | |
3440 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
3441 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
3442 | ||
3443 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
3444 | { | |
3445 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
3446 | } /* take the most we have */ | |
3447 | ||
3448 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
3449 | { | |
3450 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], | |
3451 | (char *) &debug->sy_symbol.ost_auxent[0], | |
3452 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
3453 | } /* Move all the auxiliary information */ | |
3454 | ||
3455 | /* Move the debug flags. */ | |
3456 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
3457 | } /* c_symbol_merge() */ | |
3458 | ||
3459 | static int | |
3460 | c_line_new (symbol, paddr, line_number, frag) | |
3461 | symbolS * symbol; | |
3462 | long paddr; | |
eb4fd16f | 3463 | int line_number; |
2283f8a0 KR |
3464 | fragS * frag; |
3465 | { | |
3466 | struct lineno_list *new_line = | |
3467 | (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); | |
3468 | ||
3469 | segment_info_type *s = segment_info + now_seg; | |
3470 | new_line->line.l_lnno = line_number; | |
3471 | ||
3472 | if (line_number == 0) | |
3473 | { | |
3474 | last_line_symbol = symbol; | |
3475 | new_line->line.l_addr.l_symndx = (long) symbol; | |
3476 | } | |
3477 | else | |
3478 | { | |
3479 | new_line->line.l_addr.l_paddr = paddr; | |
3480 | } | |
3481 | ||
3482 | new_line->frag = (char *) frag; | |
3483 | new_line->next = (struct lineno_list *) NULL; | |
3484 | ||
3485 | ||
3486 | if (s->lineno_list_head == (struct lineno_list *) NULL) | |
3487 | { | |
3488 | s->lineno_list_head = new_line; | |
3489 | } | |
3490 | else | |
3491 | { | |
3492 | s->lineno_list_tail->next = new_line; | |
3493 | } | |
3494 | s->lineno_list_tail = new_line; | |
3495 | return LINESZ * s->scnhdr.s_nlnno++; | |
3496 | } | |
3497 | ||
3498 | void | |
3499 | c_dot_file_symbol (filename) | |
3500 | char *filename; | |
3501 | { | |
3502 | symbolS *symbolP; | |
3503 | ||
3504 | symbolP = symbol_new (".file", | |
3505 | SEG_DEBUG, | |
3506 | 0, | |
3507 | &zero_address_frag); | |
3508 | ||
3509 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
3510 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
e5c5ce23 SC |
3511 | |
3512 | if (strlen (filename) > FILNMLEN) | |
3513 | { | |
3514 | /* Filename is too long to fit into an auxent, | |
3515 | we stick it into the string table instead. We keep | |
3516 | a linked list of the filenames we find so we can emit | |
3517 | them later.*/ | |
0fa6f8f6 ILT |
3518 | struct filename_list *f = ((struct filename_list *) |
3519 | xmalloc (sizeof (struct filename_list))); | |
e5c5ce23 SC |
3520 | |
3521 | f->filename = filename; | |
3522 | f->next = 0; | |
3523 | ||
3524 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
6648d3ae | 3525 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); |
e5c5ce23 SC |
3526 | |
3527 | if (filename_list_tail) | |
3528 | filename_list_tail->next = f; | |
3529 | else | |
3530 | filename_list_head = f; | |
3531 | filename_list_tail = f; | |
3532 | } | |
3533 | else | |
3534 | { | |
3535 | SA_SET_FILE_FNAME (symbolP, filename); | |
3536 | } | |
2283f8a0 KR |
3537 | #ifndef NO_LISTING |
3538 | { | |
3539 | extern int listing; | |
3540 | if (listing) | |
3541 | { | |
3542 | listing_source_file (filename); | |
3543 | } | |
3544 | ||
3545 | } | |
3546 | ||
3547 | #endif | |
3548 | SF_SET_DEBUG (symbolP); | |
3549 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
3550 | ||
3551 | previous_file_symbol = symbolP; | |
3552 | ||
3553 | /* Make sure that the symbol is first on the symbol chain */ | |
3554 | if (symbol_rootP != symbolP) | |
3555 | { | |
3556 | if (symbolP == symbol_lastP) | |
3557 | { | |
3558 | symbol_lastP = symbol_lastP->sy_previous; | |
3559 | } /* if it was the last thing on the list */ | |
3560 | ||
3561 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3562 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
3563 | symbol_rootP = symbolP; | |
3564 | } /* if not first on the list */ | |
3565 | ||
3566 | } /* c_dot_file_symbol() */ | |
3567 | ||
3568 | /* | |
3569 | * Build a 'section static' symbol. | |
3570 | */ | |
3571 | ||
3572 | symbolS * | |
3573 | c_section_symbol (name, idx) | |
3574 | char *name; | |
3575 | int idx; | |
3576 | { | |
3577 | symbolS *symbolP; | |
3578 | ||
3579 | symbolP = symbol_new (name, idx, | |
3580 | 0, | |
3581 | &zero_address_frag); | |
3582 | ||
3583 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3584 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3585 | ||
3586 | SF_SET_STATICS (symbolP); | |
3587 | ||
ff406bd3 ILT |
3588 | #ifdef TE_PE |
3589 | /* If the .linkonce pseudo-op was used for this section, we must | |
3590 | store the information in the auxiliary entry for the section | |
3591 | symbol. */ | |
3592 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
3593 | { | |
3594 | int type; | |
3595 | ||
3596 | switch (segment_info[idx].linkonce) | |
3597 | { | |
3598 | default: | |
3599 | abort (); | |
3600 | case LINKONCE_DISCARD: | |
3601 | type = IMAGE_COMDAT_SELECT_ANY; | |
3602 | break; | |
3603 | case LINKONCE_ONE_ONLY: | |
3604 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
3605 | break; | |
3606 | case LINKONCE_SAME_SIZE: | |
3607 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
3608 | break; | |
3609 | case LINKONCE_SAME_CONTENTS: | |
3610 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
3611 | break; | |
3612 | } | |
3613 | ||
3614 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
3615 | } | |
3616 | #endif /* TE_PE */ | |
3617 | ||
2283f8a0 KR |
3618 | return symbolP; |
3619 | } /* c_section_symbol() */ | |
3620 | ||
3621 | static void | |
3622 | w_symbols (abfd, where, symbol_rootP) | |
3623 | bfd * abfd; | |
3624 | char *where; | |
3625 | symbolS * symbol_rootP; | |
3626 | { | |
3627 | symbolS *symbolP; | |
3628 | unsigned int i; | |
3629 | ||
3630 | /* First fill in those values we have only just worked out */ | |
ff406bd3 | 3631 | for (i = SEG_E0; i < SEG_LAST; i++) |
2283f8a0 KR |
3632 | { |
3633 | symbolP = segment_info[i].dot; | |
3634 | if (symbolP) | |
3635 | { | |
2283f8a0 KR |
3636 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); |
3637 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
3638 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
2283f8a0 KR |
3639 | } |
3640 | } | |
3641 | ||
3642 | /* | |
3643 | * Emit all symbols left in the symbol chain. | |
3644 | */ | |
3645 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3646 | { | |
3647 | /* Used to save the offset of the name. It is used to point | |
3648 | to the string in memory but must be a file offset. */ | |
3649 | register char *temp; | |
3650 | ||
ff406bd3 ILT |
3651 | /* We can't fix the lnnoptr field in yank_symbols with the other |
3652 | adjustments, because we have to wait until we know where they | |
3653 | go in the file. */ | |
3654 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
3655 | { | |
3656 | SA_GET_SYM_LNNOPTR (symbolP) += | |
3657 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
3658 | } | |
3659 | ||
2283f8a0 KR |
3660 | tc_coff_symbol_emit_hook (symbolP); |
3661 | ||
3662 | temp = S_GET_NAME (symbolP); | |
3663 | if (SF_GET_STRING (symbolP)) | |
3664 | { | |
3665 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
3666 | S_SET_ZEROES (symbolP, 0); | |
3667 | } | |
3668 | else | |
3669 | { | |
3670 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
3671 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
3672 | } | |
3673 | where = symbol_to_chars (abfd, where, symbolP); | |
3674 | S_SET_NAME (symbolP, temp); | |
3675 | } | |
3676 | ||
3677 | } /* w_symbols() */ | |
3678 | ||
3679 | static void | |
3680 | obj_coff_lcomm (ignore) | |
3681 | int ignore; | |
3682 | { | |
3683 | s_lcomm(0); | |
3684 | return; | |
3685 | #if 0 | |
3686 | char *name; | |
3687 | char c; | |
3688 | int temp; | |
3689 | char *p; | |
3690 | ||
3691 | symbolS *symbolP; | |
3692 | ||
3693 | name = input_line_pointer; | |
3694 | ||
3695 | c = get_symbol_end (); | |
3696 | p = input_line_pointer; | |
3697 | *p = c; | |
3698 | SKIP_WHITESPACE (); | |
3699 | if (*input_line_pointer != ',') | |
3700 | { | |
3701 | as_bad ("Expected comma after name"); | |
3702 | ignore_rest_of_line (); | |
3703 | return; | |
3704 | } | |
3705 | if (*input_line_pointer == '\n') | |
3706 | { | |
3707 | as_bad ("Missing size expression"); | |
3708 | return; | |
3709 | } | |
3710 | input_line_pointer++; | |
3711 | if ((temp = get_absolute_expression ()) < 0) | |
3712 | { | |
3713 | as_warn ("lcomm length (%d.) <0! Ignored.", temp); | |
3714 | ignore_rest_of_line (); | |
3715 | return; | |
3716 | } | |
3717 | *p = 0; | |
3718 | ||
3719 | symbolP = symbol_find_or_make(name); | |
3720 | ||
3721 | if (S_GET_SEGMENT(symbolP) == SEG_UNKNOWN && | |
3722 | S_GET_VALUE(symbolP) == 0) | |
3723 | { | |
3724 | if (! need_pass_2) | |
3725 | { | |
3726 | char *p; | |
3727 | segT current_seg = now_seg; /* save current seg */ | |
3728 | subsegT current_subseg = now_subseg; | |
3729 | ||
3730 | subseg_set (SEG_E2, 1); | |
3731 | symbolP->sy_frag = frag_now; | |
3732 | p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP, | |
3733 | temp, (char *)0); | |
3734 | *p = 0; | |
3735 | subseg_set (current_seg, current_subseg); /* restore current seg */ | |
3736 | S_SET_SEGMENT(symbolP, SEG_E2); | |
3737 | S_SET_STORAGE_CLASS(symbolP, C_STAT); | |
3738 | } | |
3739 | } | |
3740 | else | |
3741 | as_bad("Symbol %s already defined", name); | |
3742 | ||
3743 | demand_empty_rest_of_line(); | |
3744 | #endif | |
3745 | } | |
3746 | ||
3747 | static void | |
3748 | fixup_mdeps (frags, h, this_segment) | |
3749 | fragS * frags; | |
3750 | object_headers * h; | |
3751 | segT this_segment; | |
3752 | { | |
3753 | subseg_change (this_segment, 0); | |
3754 | while (frags) | |
3755 | { | |
3756 | switch (frags->fr_type) | |
3757 | { | |
3758 | case rs_align: | |
9e4b3a23 | 3759 | case rs_align_code: |
2283f8a0 | 3760 | case rs_org: |
a91c6b08 ILT |
3761 | #ifdef HANDLE_ALIGN |
3762 | HANDLE_ALIGN (frags); | |
3763 | #endif | |
2283f8a0 KR |
3764 | frags->fr_type = rs_fill; |
3765 | frags->fr_offset = | |
71dd3c40 ILT |
3766 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) |
3767 | / frags->fr_var); | |
2283f8a0 KR |
3768 | break; |
3769 | case rs_machine_dependent: | |
a91c6b08 | 3770 | md_convert_frag (h, this_segment, frags); |
2283f8a0 KR |
3771 | frag_wane (frags); |
3772 | break; | |
3773 | default: | |
3774 | ; | |
3775 | } | |
3776 | frags = frags->fr_next; | |
3777 | } | |
3778 | } | |
3779 | ||
3780 | #if 1 | |
a91c6b08 ILT |
3781 | |
3782 | #ifndef TC_FORCE_RELOCATION | |
3783 | #define TC_FORCE_RELOCATION(fix) 0 | |
3784 | #endif | |
3785 | ||
2283f8a0 KR |
3786 | static void |
3787 | fixup_segment (segP, this_segment_type) | |
3788 | segment_info_type * segP; | |
3789 | segT this_segment_type; | |
3790 | { | |
3791 | register fixS * fixP; | |
3792 | register symbolS *add_symbolP; | |
3793 | register symbolS *sub_symbolP; | |
1356d77d | 3794 | long add_number; |
2283f8a0 KR |
3795 | register int size; |
3796 | register char *place; | |
3797 | register long where; | |
3798 | register char pcrel; | |
3799 | register fragS *fragP; | |
3800 | register segT add_symbol_segment = absolute_section; | |
3801 | ||
2283f8a0 KR |
3802 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) |
3803 | { | |
3804 | fragP = fixP->fx_frag; | |
3805 | know (fragP); | |
3806 | where = fixP->fx_where; | |
3807 | place = fragP->fr_literal + where; | |
3808 | size = fixP->fx_size; | |
3809 | add_symbolP = fixP->fx_addsy; | |
e789e620 ILT |
3810 | sub_symbolP = fixP->fx_subsy; |
3811 | add_number = fixP->fx_offset; | |
3812 | pcrel = fixP->fx_pcrel; | |
3813 | ||
3814 | /* We want function-relative stabs to work on systems which | |
3815 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
3816 | fixups function-relative stabs generates. | |
3817 | ||
3818 | Of course, if you actually enable relaxing in the linker, the | |
3819 | line and block scoping information is going to be incorrect | |
3820 | in some cases. The only way to really fix this is to support | |
3821 | a reloc involving the difference of two symbols. */ | |
3822 | if (linkrelax | |
3823 | && (!sub_symbolP || pcrel)) | |
3824 | continue; | |
3825 | ||
2283f8a0 | 3826 | #ifdef TC_I960 |
eb4fd16f | 3827 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) |
2283f8a0 KR |
3828 | { |
3829 | /* Relocation should be done via the associated 'bal' entry | |
3830 | point symbol. */ | |
3831 | ||
eb4fd16f | 3832 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) |
2283f8a0 | 3833 | { |
eb4fd16f ILT |
3834 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3835 | "No 'bal' entry point for leafproc %s", | |
3836 | S_GET_NAME (add_symbolP)); | |
2283f8a0 KR |
3837 | continue; |
3838 | } | |
3839 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
3840 | } | |
3841 | #endif | |
2283f8a0 | 3842 | |
8dd6fde3 ILT |
3843 | /* Make sure the symbols have been resolved; this may not have |
3844 | happened if these are expression symbols. */ | |
3845 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
3846 | resolve_symbol_value (add_symbolP); | |
3847 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) | |
3848 | resolve_symbol_value (sub_symbolP); | |
3849 | ||
e120d9fb ILT |
3850 | if (add_symbolP != NULL |
3851 | && add_symbolP->sy_mri_common) | |
1356d77d ILT |
3852 | { |
3853 | know (add_symbolP->sy_value.X_op == O_symbol); | |
3854 | add_number += S_GET_VALUE (add_symbolP); | |
3855 | fixP->fx_offset = add_number; | |
3856 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
3857 | } | |
3858 | ||
2283f8a0 KR |
3859 | if (add_symbolP) |
3860 | { | |
3861 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); | |
3862 | } /* if there is an addend */ | |
3863 | ||
3864 | if (sub_symbolP) | |
3865 | { | |
7ab1edc8 | 3866 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) |
2283f8a0 | 3867 | { |
7ab1edc8 ILT |
3868 | if (add_symbolP != NULL) |
3869 | { | |
3870 | add_number += S_GET_VALUE (add_symbolP); | |
3871 | add_symbolP = NULL; | |
3872 | fixP->fx_addsy = NULL; | |
3873 | } | |
3874 | ||
3875 | /* It's just -sym. */ | |
3876 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
3877 | { | |
3878 | add_number -= S_GET_VALUE (sub_symbolP); | |
3879 | fixP->fx_subsy = 0; | |
3880 | fixP->fx_done = 1; | |
3881 | } | |
3882 | else | |
2283f8a0 | 3883 | { |
7ab1edc8 | 3884 | #ifndef TC_M68K |
eb4fd16f ILT |
3885 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3886 | "Negative of non-absolute symbol %s", | |
3887 | S_GET_NAME (sub_symbolP)); | |
7ab1edc8 ILT |
3888 | #endif |
3889 | add_number -= S_GET_VALUE (sub_symbolP); | |
2283f8a0 KR |
3890 | } /* not absolute */ |
3891 | ||
2283f8a0 | 3892 | /* if sub_symbol is in the same segment that add_symbol |
7ab1edc8 | 3893 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE */ |
2283f8a0 | 3894 | } |
7ab1edc8 ILT |
3895 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment |
3896 | && SEG_NORMAL (add_symbol_segment)) | |
2283f8a0 KR |
3897 | { |
3898 | /* Difference of 2 symbols from same segment. Can't | |
3899 | make difference of 2 undefineds: 'value' means | |
3900 | something different for N_UNDF. */ | |
3901 | #ifdef TC_I960 | |
3902 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
3903 | as the target of a call instruction. */ | |
3904 | if (fixP->fx_tcbit) | |
3905 | { | |
eb4fd16f ILT |
3906 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3907 | "callj to difference of 2 symbols"); | |
2283f8a0 KR |
3908 | } |
3909 | #endif /* TC_I960 */ | |
3910 | add_number += S_GET_VALUE (add_symbolP) - | |
3911 | S_GET_VALUE (sub_symbolP); | |
2283f8a0 | 3912 | add_symbolP = NULL; |
a91c6b08 ILT |
3913 | |
3914 | if (!TC_FORCE_RELOCATION (fixP)) | |
3915 | { | |
3916 | fixP->fx_addsy = NULL; | |
3917 | fixP->fx_subsy = NULL; | |
3918 | fixP->fx_done = 1; | |
1356d77d ILT |
3919 | #ifdef TC_M68K /* is this right? */ |
3920 | pcrel = 0; | |
3921 | fixP->fx_pcrel = 0; | |
3922 | #endif | |
a91c6b08 | 3923 | } |
2283f8a0 KR |
3924 | } |
3925 | else | |
3926 | { | |
3927 | /* Different segments in subtraction. */ | |
3928 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); | |
3929 | ||
3930 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) | |
3931 | { | |
3932 | add_number -= S_GET_VALUE (sub_symbolP); | |
3933 | } | |
3934 | #ifdef DIFF_EXPR_OK | |
3935 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type | |
3936 | #if 0 /* Okay for 68k, at least... */ | |
3937 | && !pcrel | |
3938 | #endif | |
3939 | ) | |
3940 | { | |
3941 | /* Make it pc-relative. */ | |
3942 | add_number += (md_pcrel_from (fixP) | |
3943 | - S_GET_VALUE (sub_symbolP)); | |
3944 | pcrel = 1; | |
3945 | fixP->fx_pcrel = 1; | |
3946 | sub_symbolP = 0; | |
3947 | fixP->fx_subsy = 0; | |
3948 | } | |
3949 | #endif | |
3950 | else | |
3951 | { | |
eb4fd16f ILT |
3952 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3953 | "Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld.", | |
3954 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
3955 | S_GET_NAME (sub_symbolP), | |
3956 | (long) (fragP->fr_address + where)); | |
2283f8a0 KR |
3957 | } /* if absolute */ |
3958 | } | |
3959 | } /* if sub_symbolP */ | |
3960 | ||
3961 | if (add_symbolP) | |
3962 | { | |
3963 | if (add_symbol_segment == this_segment_type && pcrel) | |
3964 | { | |
3965 | /* | |
3966 | * This fixup was made when the symbol's segment was | |
3967 | * SEG_UNKNOWN, but it is now in the local segment. | |
3968 | * So we know how to do the address without relocation. | |
3969 | */ | |
3970 | #ifdef TC_I960 | |
3971 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
3972 | * in which cases it modifies *fixP as appropriate. In the case | |
3973 | * of a 'calls', no further work is required, and *fixP has been | |
3974 | * set up to make the rest of the code below a no-op. | |
3975 | */ | |
3976 | reloc_callj (fixP); | |
3977 | #endif /* TC_I960 */ | |
3978 | ||
3979 | add_number += S_GET_VALUE (add_symbolP); | |
3980 | add_number -= md_pcrel_from (fixP); | |
eb0dafdc | 3981 | #if defined (TC_I386) || defined (TE_LYNX) |
ab299844 | 3982 | /* On the 386 we must adjust by the segment vaddr as |
eb0dafdc | 3983 | well. Ian Taylor. */ |
2283f8a0 KR |
3984 | add_number -= segP->scnhdr.s_vaddr; |
3985 | #endif | |
3986 | pcrel = 0; /* Lie. Don't want further pcrel processing. */ | |
a91c6b08 ILT |
3987 | if (!TC_FORCE_RELOCATION (fixP)) |
3988 | { | |
3989 | fixP->fx_addsy = NULL; | |
3990 | fixP->fx_done = 1; | |
3991 | } | |
2283f8a0 KR |
3992 | } |
3993 | else | |
3994 | { | |
3995 | switch (add_symbol_segment) | |
3996 | { | |
3997 | case absolute_section: | |
3998 | #ifdef TC_I960 | |
3999 | reloc_callj (fixP); /* See comment about reloc_callj() above*/ | |
4000 | #endif /* TC_I960 */ | |
4001 | add_number += S_GET_VALUE (add_symbolP); | |
2283f8a0 | 4002 | add_symbolP = NULL; |
a91c6b08 ILT |
4003 | |
4004 | if (!TC_FORCE_RELOCATION (fixP)) | |
4005 | { | |
4006 | fixP->fx_addsy = NULL; | |
4007 | fixP->fx_done = 1; | |
4008 | } | |
2283f8a0 KR |
4009 | break; |
4010 | default: | |
4011 | ||
d21041b3 | 4012 | |
464070de | 4013 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) |
2283f8a0 KR |
4014 | /* This really should be handled in the linker, but |
4015 | backward compatibility forbids. */ | |
4016 | add_number += S_GET_VALUE (add_symbolP); | |
4017 | #else | |
4018 | add_number += S_GET_VALUE (add_symbolP) + | |
4019 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
4020 | #endif | |
4021 | break; | |
4022 | ||
4023 | case SEG_UNKNOWN: | |
4024 | #ifdef TC_I960 | |
4025 | if ((int) fixP->fx_bit_fixP == 13) | |
4026 | { | |
4027 | /* This is a COBR instruction. They have only a | |
4028 | * 13-bit displacement and are only to be used | |
4029 | * for local branches: flag as error, don't generate | |
4030 | * relocation. | |
4031 | */ | |
eb4fd16f ILT |
4032 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4033 | "can't use COBR format with external label"); | |
2283f8a0 KR |
4034 | fixP->fx_addsy = NULL; |
4035 | fixP->fx_done = 1; | |
4036 | continue; | |
4037 | } /* COBR */ | |
4038 | #endif /* TC_I960 */ | |
66b935da | 4039 | #if (defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE) |
0eb1f9ce KR |
4040 | /* 386 COFF uses a peculiar format in which the |
4041 | value of a common symbol is stored in the .text | |
4042 | segment (I've checked this on SVR3.2 and SCO | |
4043 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
2283f8a0 KR |
4044 | if (S_IS_COMMON (add_symbolP)) |
4045 | add_number += S_GET_VALUE (add_symbolP); | |
4046 | #endif | |
4047 | break; | |
4048 | ||
4049 | ||
4050 | } /* switch on symbol seg */ | |
4051 | } /* if not in local seg */ | |
4052 | } /* if there was a + symbol */ | |
4053 | ||
4054 | if (pcrel) | |
4055 | { | |
464070de | 4056 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) |
2283f8a0 KR |
4057 | /* This adjustment is not correct on the m88k, for which the |
4058 | linker does all the computation. */ | |
4059 | add_number -= md_pcrel_from (fixP); | |
4060 | #endif | |
4061 | if (add_symbolP == 0) | |
4062 | { | |
4063 | fixP->fx_addsy = &abs_symbol; | |
4064 | } /* if there's an add_symbol */ | |
eb0dafdc | 4065 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) |
ab299844 | 4066 | /* On the 386 we must adjust by the segment vaddr as well. |
eb0dafdc ILT |
4067 | Ian Taylor. |
4068 | ||
4069 | I changed the i960 to work this way as well. This is | |
4070 | compatible with the current GNU linker behaviour. I do | |
4071 | not know what other i960 COFF assemblers do. This is not | |
4072 | a common case: normally, only assembler code will contain | |
4073 | a PC relative reloc, and only branches which do not | |
4074 | originate in the .text section will have a non-zero | |
4075 | address. | |
4076 | ||
4077 | I changed the m68k to work this way as well. This will | |
4078 | break existing PC relative relocs from sections which do | |
4079 | not start at address 0, but it will make ld -r work. | |
4080 | Ian Taylor, 4 Oct 96. */ | |
4081 | ||
2283f8a0 KR |
4082 | add_number -= segP->scnhdr.s_vaddr; |
4083 | #endif | |
4084 | } /* if pcrel */ | |
4085 | ||
4086 | if (!fixP->fx_bit_fixP) | |
4087 | { | |
4088 | #ifndef TC_M88K | |
4089 | /* The m88k uses the offset field of the reloc to get around | |
4090 | this problem. */ | |
d675782a KR |
4091 | if ((size == 1 |
4092 | && (add_number & ~0xFF) | |
4093 | && ((add_number & ~0xFF) != (-1 & ~0xFF))) | |
4094 | || (size == 2 | |
4095 | && (add_number & ~0xFFFF) | |
4096 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF)))) | |
2283f8a0 | 4097 | { |
eb4fd16f ILT |
4098 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4099 | "Value of %ld too large for field of %d bytes at 0x%lx", | |
4100 | (long) add_number, size, | |
4101 | (unsigned long) (fragP->fr_address + where)); | |
d675782a | 4102 | } |
2283f8a0 KR |
4103 | #endif |
4104 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
0eb1f9ce KR |
4105 | /* Warn if a .word value is too large when treated as a |
4106 | signed number. We already know it is not too negative. | |
4107 | This is to catch over-large switches generated by gcc on | |
4108 | the 68k. */ | |
def66e24 | 4109 | if (!flag_signed_overflow_ok |
2283f8a0 KR |
4110 | && size == 2 |
4111 | && add_number > 0x7fff) | |
eb4fd16f ILT |
4112 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4113 | "Signed .word overflow; switch may be too large; %ld at 0x%lx", | |
4114 | (long) add_number, | |
4115 | (unsigned long) (fragP->fr_address + where)); | |
2283f8a0 KR |
4116 | #endif |
4117 | } /* not a bit fix */ | |
0eb1f9ce KR |
4118 | /* Once this fix has been applied, we don't have to output |
4119 | anything nothing more need be done. */ | |
a91c6b08 ILT |
4120 | #ifdef MD_APPLY_FIX3 |
4121 | md_apply_fix3 (fixP, &add_number, this_segment_type); | |
4122 | #else | |
2283f8a0 | 4123 | md_apply_fix (fixP, add_number); |
a91c6b08 | 4124 | #endif |
2283f8a0 KR |
4125 | } /* For each fixS in this segment. */ |
4126 | } /* fixup_segment() */ | |
4127 | ||
4128 | #endif | |
4129 | ||
4130 | /* The first entry in a .stab section is special. */ | |
4131 | ||
4132 | void | |
4133 | obj_coff_init_stab_section (seg) | |
4134 | segT seg; | |
4135 | { | |
4136 | char *file; | |
4137 | char *p; | |
4138 | char *stabstr_name; | |
4139 | unsigned int stroff; | |
4140 | ||
4141 | /* Make space for this first symbol. */ | |
4142 | p = frag_more (12); | |
4143 | /* Zero it out. */ | |
4144 | memset (p, 0, 12); | |
4145 | as_where (&file, (unsigned int *) NULL); | |
7681eb9d ILT |
4146 | stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4); |
4147 | strcpy (stabstr_name, segment_info[seg].name); | |
2283f8a0 KR |
4148 | strcat (stabstr_name, "str"); |
4149 | stroff = get_stab_string_offset (file, stabstr_name); | |
4150 | know (stroff == 1); | |
4151 | md_number_to_chars (p, stroff, 4); | |
4152 | } | |
4153 | ||
4154 | /* Fill in the counts in the first entry in a .stab section. */ | |
4155 | ||
4156 | static void | |
4157 | adjust_stab_section(abfd, seg) | |
4158 | bfd *abfd; | |
4159 | segT seg; | |
4160 | { | |
4161 | segT stabstrseg = SEG_UNKNOWN; | |
ba97ba7e ILT |
4162 | const char *secname, *name2; |
4163 | char *name; | |
2283f8a0 KR |
4164 | char *p = NULL; |
4165 | int i, strsz = 0, nsyms; | |
4166 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
4167 | ||
4168 | /* Look for the associated string table section. */ | |
4169 | ||
7681eb9d | 4170 | secname = segment_info[seg].name; |
2283f8a0 KR |
4171 | name = (char *) alloca (strlen (secname) + 4); |
4172 | strcpy (name, secname); | |
4173 | strcat (name, "str"); | |
4174 | ||
4175 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
4176 | { | |
7681eb9d | 4177 | name2 = segment_info[i].name; |
2283f8a0 KR |
4178 | if (name2 != NULL && strncmp(name2, name, 8) == 0) |
4179 | { | |
4180 | stabstrseg = i; | |
4181 | break; | |
4182 | } | |
4183 | } | |
4184 | ||
4185 | /* If we found the section, get its size. */ | |
4186 | if (stabstrseg != SEG_UNKNOWN) | |
4187 | strsz = size_section (abfd, stabstrseg); | |
4188 | ||
4189 | nsyms = size_section (abfd, seg) / 12 - 1; | |
4190 | ||
4191 | /* Look for the first frag of sufficient size for the initial stab | |
4192 | symbol, and collect a pointer to it. */ | |
4193 | while (frag && frag->fr_fix < 12) | |
4194 | frag = frag->fr_next; | |
4195 | assert (frag != 0); | |
4196 | p = frag->fr_literal; | |
4197 | assert (p != 0); | |
4198 | ||
4199 | /* Write in the number of stab symbols and the size of the string | |
4200 | table. */ | |
4201 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); | |
4202 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
4203 | } | |
4204 | ||
2283f8a0 | 4205 | #endif /* not BFD_ASSEMBLER */ |
eb4fd16f ILT |
4206 | |
4207 | const pseudo_typeS obj_pseudo_table[] = | |
4208 | { | |
4209 | {"def", obj_coff_def, 0}, | |
4210 | {"dim", obj_coff_dim, 0}, | |
4211 | {"endef", obj_coff_endef, 0}, | |
4212 | {"line", obj_coff_line, 0}, | |
4213 | {"ln", obj_coff_ln, 0}, | |
4214 | {"appline", obj_coff_ln, 1}, | |
4215 | {"scl", obj_coff_scl, 0}, | |
4216 | {"size", obj_coff_size, 0}, | |
4217 | {"tag", obj_coff_tag, 0}, | |
4218 | {"type", obj_coff_type, 0}, | |
4219 | {"val", obj_coff_val, 0}, | |
4220 | {"section", obj_coff_section, 0}, | |
7ab1edc8 ILT |
4221 | {"sect", obj_coff_section, 0}, |
4222 | /* FIXME: We ignore the MRI short attribute. */ | |
4223 | {"section.s", obj_coff_section, 0}, | |
4224 | {"sect.s", obj_coff_section, 0}, | |
eb4fd16f ILT |
4225 | #ifndef BFD_ASSEMBLER |
4226 | {"use", obj_coff_section, 0}, | |
eb4fd16f ILT |
4227 | {"text", obj_coff_text, 0}, |
4228 | {"data", obj_coff_data, 0}, | |
4229 | {"bss", obj_coff_bss, 0}, | |
4230 | {"lcomm", obj_coff_lcomm, 0}, | |
4231 | {"ident", obj_coff_ident, 0}, | |
4232 | #else | |
4233 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
4234 | {"ident", s_ignore, 0}, /* we don't yet handle this. */ | |
4235 | #endif | |
4236 | {"ABORT", s_abort, 0}, | |
4237 | #ifdef TC_M88K | |
4238 | /* The m88k uses sdef instead of def. */ | |
4239 | {"sdef", obj_coff_def, 0}, | |
4240 | #endif | |
4241 | {NULL} /* end sentinel */ | |
4242 | }; /* obj_pseudo_table */ |