Commit | Line | Data |
---|---|---|
fecd2382 | 1 | /* coff object file format |
48401fcf | 2 | Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 97, 1998 |
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 | |
590c50d8 ILT |
22 | #define OBJ_HEADER "obj-coff.h" |
23 | ||
fecd2382 | 24 | #include "as.h" |
fecd2382 | 25 | #include "obstack.h" |
8fb85d50 | 26 | #include "subsegs.h" |
fecd2382 | 27 | |
460a34e8 KR |
28 | /* I think this is probably always correct. */ |
29 | #ifndef KEEP_RELOC_INFO | |
30 | #define KEEP_RELOC_INFO | |
31 | #endif | |
32 | ||
48401fcf | 33 | static void obj_coff_bss PARAMS ((int)); |
8fb85d50 | 34 | const char *s_get_name PARAMS ((symbolS * s)); |
355afbcd | 35 | static symbolS *def_symbol_in_progress; |
fecd2382 | 36 | |
8fb85d50 KR |
37 | \f |
38 | /* stack stuff */ | |
39 | typedef struct | |
40 | { | |
41 | unsigned long chunk_size; | |
42 | unsigned long element_size; | |
43 | unsigned long size; | |
44 | char *data; | |
45 | unsigned long pointer; | |
46 | } | |
47 | stack; | |
48 | ||
49 | static stack * | |
50 | stack_init (chunk_size, element_size) | |
51 | unsigned long chunk_size; | |
52 | unsigned long element_size; | |
53 | { | |
54 | stack *st; | |
55 | ||
56 | st = (stack *) malloc (sizeof (stack)); | |
57 | if (!st) | |
58 | return 0; | |
59 | st->data = malloc (chunk_size); | |
60 | if (!st->data) | |
61 | { | |
62 | free (st); | |
63 | return 0; | |
64 | } | |
65 | st->pointer = 0; | |
66 | st->size = chunk_size; | |
67 | st->chunk_size = chunk_size; | |
68 | st->element_size = element_size; | |
69 | return st; | |
70 | } | |
71 | ||
eb4fd16f ILT |
72 | #if 0 |
73 | /* Not currently used. */ | |
8fb85d50 KR |
74 | static void |
75 | stack_delete (st) | |
76 | stack *st; | |
77 | { | |
78 | free (st->data); | |
79 | free (st); | |
80 | } | |
eb4fd16f | 81 | #endif |
8fb85d50 KR |
82 | |
83 | static char * | |
84 | stack_push (st, element) | |
85 | stack *st; | |
86 | char *element; | |
87 | { | |
88 | if (st->pointer + st->element_size >= st->size) | |
89 | { | |
90 | st->size += st->chunk_size; | |
91 | if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) | |
92 | return (char *) 0; | |
93 | } | |
94 | memcpy (st->data + st->pointer, element, st->element_size); | |
95 | st->pointer += st->element_size; | |
96 | return st->data + st->pointer; | |
97 | } | |
98 | ||
99 | static char * | |
100 | stack_pop (st) | |
101 | stack *st; | |
102 | { | |
103 | if (st->pointer < st->element_size) | |
104 | { | |
105 | st->pointer = 0; | |
106 | return (char *) 0; | |
107 | } | |
108 | st->pointer -= st->element_size; | |
109 | return st->data + st->pointer; | |
110 | } | |
111 | \f | |
112 | /* | |
113 | * Maintain a list of the tagnames of the structres. | |
114 | */ | |
115 | ||
eb4fd16f ILT |
116 | static struct hash_control *tag_hash; |
117 | ||
8fb85d50 KR |
118 | static void |
119 | tag_init () | |
120 | { | |
121 | tag_hash = hash_new (); | |
122 | } | |
123 | ||
124 | static void | |
125 | tag_insert (name, symbolP) | |
126 | const char *name; | |
127 | symbolS *symbolP; | |
128 | { | |
129 | const char *error_string; | |
130 | ||
131 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
132 | { | |
48401fcf | 133 | as_fatal (_("Inserting \"%s\" into structure table failed: %s"), |
8fb85d50 KR |
134 | name, error_string); |
135 | } | |
136 | } | |
fecd2382 | 137 | |
eb4fd16f ILT |
138 | static symbolS * |
139 | tag_find (name) | |
140 | char *name; | |
141 | { | |
142 | #ifdef STRIP_UNDERSCORE | |
143 | if (*name == '_') | |
144 | name++; | |
145 | #endif /* STRIP_UNDERSCORE */ | |
146 | return (symbolS *) hash_find (tag_hash, name); | |
147 | } | |
148 | ||
8fb85d50 KR |
149 | static symbolS * |
150 | tag_find_or_make (name) | |
151 | char *name; | |
152 | { | |
153 | symbolS *symbolP; | |
154 | ||
155 | if ((symbolP = tag_find (name)) == NULL) | |
156 | { | |
157 | symbolP = symbol_new (name, undefined_section, | |
158 | 0, &zero_address_frag); | |
159 | ||
160 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
eb4fd16f | 161 | #ifdef BFD_ASSEMBLER |
8fb85d50 | 162 | symbol_table_insert (symbolP); |
eb4fd16f | 163 | #endif |
8fb85d50 KR |
164 | } /* not found */ |
165 | ||
166 | return symbolP; | |
167 | } | |
168 | ||
48401fcf TT |
169 | /* We accept the .bss directive to set the section for backward |
170 | compatibility with earlier versions of gas. */ | |
eb4fd16f | 171 | |
48401fcf TT |
172 | static void |
173 | obj_coff_bss (ignore) | |
174 | int ignore; | |
175 | { | |
176 | if (*input_line_pointer == '\n') | |
177 | subseg_new (".bss", get_absolute_expression ()); | |
178 | else | |
179 | s_lcomm (0); | |
180 | } | |
eb4fd16f ILT |
181 | |
182 | #ifdef BFD_ASSEMBLER | |
183 | ||
184 | static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *)); | |
185 | ||
85051959 ILT |
186 | #define GET_FILENAME_STRING(X) \ |
187 | ((char*)(&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) | |
fecd2382 | 188 | |
85051959 ILT |
189 | /* @@ Ick. */ |
190 | static segT | |
191 | fetch_coff_debug_section () | |
192 | { | |
193 | static segT debug_section; | |
194 | if (!debug_section) | |
195 | { | |
196 | CONST asymbol *s; | |
197 | s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0); | |
198 | assert (s != 0); | |
199 | debug_section = s->section; | |
200 | } | |
201 | return debug_section; | |
202 | } | |
203 | ||
055a75ef | 204 | void |
85051959 ILT |
205 | SA_SET_SYM_ENDNDX (sym, val) |
206 | symbolS *sym; | |
207 | symbolS *val; | |
208 | { | |
209 | combined_entry_type *entry, *p; | |
210 | ||
211 | entry = &coffsymbol (sym->bsym)->native[1]; | |
212 | p = coffsymbol (val->bsym)->native; | |
213 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; | |
214 | entry->fix_end = 1; | |
215 | } | |
216 | ||
217 | static void | |
218 | SA_SET_SYM_TAGNDX (sym, val) | |
219 | symbolS *sym; | |
220 | symbolS *val; | |
221 | { | |
222 | combined_entry_type *entry, *p; | |
223 | ||
224 | entry = &coffsymbol (sym->bsym)->native[1]; | |
225 | p = coffsymbol (val->bsym)->native; | |
226 | entry->u.auxent.x_sym.x_tagndx.p = p; | |
227 | entry->fix_tag = 1; | |
228 | } | |
229 | ||
98c6bbbe KR |
230 | static int |
231 | S_GET_DATA_TYPE (sym) | |
232 | symbolS *sym; | |
233 | { | |
234 | return coffsymbol (sym->bsym)->native->u.syment.n_type; | |
235 | } | |
236 | ||
055a75ef | 237 | int |
98c6bbbe KR |
238 | S_SET_DATA_TYPE (sym, val) |
239 | symbolS *sym; | |
240 | int val; | |
241 | { | |
242 | coffsymbol (sym->bsym)->native->u.syment.n_type = val; | |
243 | return val; | |
244 | } | |
245 | ||
246 | int | |
247 | S_GET_STORAGE_CLASS (sym) | |
248 | symbolS *sym; | |
249 | { | |
250 | return coffsymbol (sym->bsym)->native->u.syment.n_sclass; | |
251 | } | |
252 | ||
253 | int | |
254 | S_SET_STORAGE_CLASS (sym, val) | |
255 | symbolS *sym; | |
256 | int val; | |
257 | { | |
258 | coffsymbol (sym->bsym)->native->u.syment.n_sclass = val; | |
259 | return val; | |
260 | } | |
261 | ||
fecd2382 RP |
262 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
263 | ||
355afbcd KR |
264 | void |
265 | c_symbol_merge (debug, normal) | |
266 | symbolS *debug; | |
267 | symbolS *normal; | |
fecd2382 | 268 | { |
355afbcd KR |
269 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); |
270 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
271 | ||
272 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
aa3c8d2d ILT |
273 | { |
274 | /* take the most we have */ | |
275 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
276 | } | |
355afbcd KR |
277 | |
278 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
279 | { | |
85051959 | 280 | /* Move all the auxiliary information. */ |
aa3c8d2d ILT |
281 | memcpy (coffsymbol (normal->bsym)->native + 1, |
282 | coffsymbol (debug->bsym)->native + 1, | |
283 | S_GET_NUMBER_AUXILIARY (debug) * sizeof (combined_entry_type)); | |
85051959 | 284 | } |
355afbcd KR |
285 | |
286 | /* Move the debug flags. */ | |
287 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
98c6bbbe | 288 | } |
fecd2382 | 289 | |
355afbcd KR |
290 | void |
291 | c_dot_file_symbol (filename) | |
292 | char *filename; | |
fecd2382 | 293 | { |
355afbcd KR |
294 | symbolS *symbolP; |
295 | ||
4325bcb9 | 296 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
355afbcd KR |
297 | |
298 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
299 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
85051959 | 300 | |
85051959 | 301 | symbolP->bsym->flags = BSF_DEBUGGING; |
355afbcd KR |
302 | |
303 | #ifndef NO_LISTING | |
304 | { | |
305 | extern int listing; | |
306 | if (listing) | |
307 | { | |
308 | listing_source_file (filename); | |
309 | } | |
310 | } | |
311 | #endif | |
312 | ||
355afbcd KR |
313 | /* Make sure that the symbol is first on the symbol chain */ |
314 | if (symbol_rootP != symbolP) | |
315 | { | |
355afbcd KR |
316 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
317 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
355afbcd | 318 | } /* if not first on the list */ |
85051959 | 319 | } |
355afbcd | 320 | |
fecd2382 RP |
321 | /* Line number handling */ |
322 | ||
4325bcb9 KR |
323 | struct line_no { |
324 | struct line_no *next; | |
325 | fragS *frag; | |
326 | alent l; | |
327 | }; | |
328 | ||
257df791 | 329 | int coff_line_base; |
98c6bbbe | 330 | |
85051959 | 331 | /* Symbol of last function, which we should hang line#s off of. */ |
98c6bbbe KR |
332 | static symbolS *line_fsym; |
333 | ||
334 | #define in_function() (line_fsym != 0) | |
335 | #define clear_function() (line_fsym = 0) | |
257df791 | 336 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) |
85051959 | 337 | |
98c6bbbe | 338 | \f |
355afbcd | 339 | void |
590c50d8 | 340 | coff_obj_symbol_new_hook (symbolP) |
355afbcd | 341 | symbolS *symbolP; |
fecd2382 | 342 | { |
aa3c8d2d ILT |
343 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); |
344 | char * s = (char *) xmalloc (sz); | |
345 | ||
346 | memset (s, 0, sz); | |
347 | coffsymbol (symbolP->bsym)->native = (combined_entry_type *) s; | |
355afbcd | 348 | |
85051959 ILT |
349 | S_SET_DATA_TYPE (symbolP, T_NULL); |
350 | S_SET_STORAGE_CLASS (symbolP, 0); | |
351 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
355afbcd | 352 | |
355afbcd KR |
353 | if (S_IS_STRING (symbolP)) |
354 | SF_SET_STRING (symbolP); | |
aa3c8d2d ILT |
355 | |
356 | if (S_IS_LOCAL (symbolP)) | |
355afbcd | 357 | SF_SET_LOCAL (symbolP); |
85051959 | 358 | } |
fecd2382 | 359 | |
98c6bbbe | 360 | \f |
fecd2382 RP |
361 | /* |
362 | * Handle .ln directives. | |
363 | */ | |
364 | ||
85051959 ILT |
365 | static symbolS *current_lineno_sym; |
366 | static struct line_no *line_nos; | |
4325bcb9 | 367 | /* @@ Blindly assume all .ln directives will be in the .text section... */ |
7ab1edc8 | 368 | int coff_n_line_nos; |
85051959 ILT |
369 | |
370 | static void | |
371 | add_lineno (frag, offset, num) | |
372 | fragS *frag; | |
373 | int offset; | |
374 | int num; | |
375 | { | |
590c50d8 ILT |
376 | struct line_no *new_line = |
377 | (struct line_no *) xmalloc (sizeof (struct line_no)); | |
85051959 ILT |
378 | if (!current_lineno_sym) |
379 | { | |
380 | abort (); | |
381 | } | |
382 | new_line->next = line_nos; | |
383 | new_line->frag = frag; | |
384 | new_line->l.line_number = num; | |
385 | new_line->l.u.offset = offset; | |
386 | line_nos = new_line; | |
7ab1edc8 | 387 | coff_n_line_nos++; |
85051959 ILT |
388 | } |
389 | ||
257df791 ILT |
390 | void |
391 | coff_add_linesym (sym) | |
85051959 ILT |
392 | symbolS *sym; |
393 | { | |
394 | if (line_nos) | |
395 | { | |
85051959 | 396 | coffsymbol (current_lineno_sym->bsym)->lineno = (alent *) line_nos; |
7ab1edc8 | 397 | coff_n_line_nos++; |
85051959 ILT |
398 | line_nos = 0; |
399 | } | |
400 | current_lineno_sym = sym; | |
401 | } | |
85051959 | 402 | |
355afbcd | 403 | static void |
85051959 ILT |
404 | obj_coff_ln (appline) |
405 | int appline; | |
355afbcd KR |
406 | { |
407 | int l; | |
85051959 ILT |
408 | |
409 | if (! appline && def_symbol_in_progress != NULL) | |
355afbcd | 410 | { |
48401fcf | 411 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
355afbcd KR |
412 | demand_empty_rest_of_line (); |
413 | return; | |
85051959 | 414 | } |
355afbcd | 415 | |
85051959 | 416 | l = get_absolute_expression (); |
98c6bbbe KR |
417 | if (!appline) |
418 | { | |
98c6bbbe | 419 | add_lineno (frag_now, frag_now_fix (), l); |
98c6bbbe | 420 | } |
355afbcd | 421 | |
64c5df8d ILT |
422 | if (appline) |
423 | new_logical_line ((char *) NULL, l - 1); | |
424 | ||
355afbcd KR |
425 | #ifndef NO_LISTING |
426 | { | |
427 | extern int listing; | |
428 | ||
429 | if (listing) | |
430 | { | |
85051959 | 431 | if (! appline) |
257df791 | 432 | l += coff_line_base - 1; |
85051959 | 433 | listing_source_line (l); |
355afbcd KR |
434 | } |
435 | } | |
436 | #endif | |
437 | ||
438 | demand_empty_rest_of_line (); | |
98c6bbbe | 439 | } |
fecd2382 RP |
440 | |
441 | /* | |
442 | * def() | |
443 | * | |
444 | * Handle .def directives. | |
445 | * | |
446 | * One might ask : why can't we symbol_new if the symbol does not | |
447 | * already exist and fill it with debug information. Because of | |
448 | * the C_EFCN special symbol. It would clobber the value of the | |
449 | * function symbol before we have a chance to notice that it is | |
450 | * a C_EFCN. And a second reason is that the code is more clear this | |
451 | * way. (at least I think it is :-). | |
452 | * | |
453 | */ | |
454 | ||
455 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
456 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a39116f1 RP |
457 | *input_line_pointer == '\t') \ |
458 | input_line_pointer++; | |
fecd2382 | 459 | |
355afbcd KR |
460 | static void |
461 | obj_coff_def (what) | |
462 | int what; | |
fecd2382 | 463 | { |
355afbcd KR |
464 | char name_end; /* Char after the end of name */ |
465 | char *symbol_name; /* Name of the debug symbol */ | |
466 | char *symbol_name_copy; /* Temporary copy of the name */ | |
467 | unsigned int symbol_name_length; | |
355afbcd KR |
468 | |
469 | if (def_symbol_in_progress != NULL) | |
470 | { | |
48401fcf | 471 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); |
355afbcd KR |
472 | demand_empty_rest_of_line (); |
473 | return; | |
474 | } /* if not inside .def/.endef */ | |
475 | ||
476 | SKIP_WHITESPACES (); | |
477 | ||
355afbcd | 478 | symbol_name = input_line_pointer; |
85051959 ILT |
479 | #ifdef STRIP_UNDERSCORE |
480 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
481 | symbol_name++; | |
482 | #endif /* STRIP_UNDERSCORE */ | |
483 | ||
355afbcd KR |
484 | name_end = get_symbol_end (); |
485 | symbol_name_length = strlen (symbol_name); | |
486 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
487 | strcpy (symbol_name_copy, symbol_name); | |
64c5df8d ILT |
488 | #ifdef tc_canonicalize_symbol_name |
489 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
490 | #endif | |
355afbcd KR |
491 | |
492 | /* Initialize the new symbol */ | |
85051959 | 493 | def_symbol_in_progress = symbol_make (symbol_name_copy); |
355afbcd | 494 | def_symbol_in_progress->sy_frag = &zero_address_frag; |
98c6bbbe | 495 | S_SET_VALUE (def_symbol_in_progress, 0); |
355afbcd KR |
496 | |
497 | if (S_IS_STRING (def_symbol_in_progress)) | |
85051959 | 498 | SF_SET_STRING (def_symbol_in_progress); |
355afbcd KR |
499 | |
500 | *input_line_pointer = name_end; | |
501 | ||
502 | demand_empty_rest_of_line (); | |
85051959 | 503 | } |
fecd2382 RP |
504 | |
505 | unsigned int dim_index; | |
1f029792 | 506 | |
355afbcd | 507 | static void |
8fb85d50 KR |
508 | obj_coff_endef (ignore) |
509 | int ignore; | |
355afbcd KR |
510 | { |
511 | symbolS *symbolP; | |
aa3c8d2d | 512 | |
355afbcd KR |
513 | /* DIM BUG FIX sac@cygnus.com */ |
514 | dim_index = 0; | |
515 | if (def_symbol_in_progress == NULL) | |
516 | { | |
48401fcf | 517 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); |
355afbcd KR |
518 | demand_empty_rest_of_line (); |
519 | return; | |
520 | } /* if not inside .def/.endef */ | |
521 | ||
522 | /* Set the section number according to storage class. */ | |
523 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) | |
524 | { | |
525 | case C_STRTAG: | |
526 | case C_ENTAG: | |
527 | case C_UNTAG: | |
528 | SF_SET_TAG (def_symbol_in_progress); | |
529 | /* intentional fallthrough */ | |
530 | case C_FILE: | |
531 | case C_TPDEF: | |
532 | SF_SET_DEBUG (def_symbol_in_progress); | |
85051959 | 533 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); |
355afbcd KR |
534 | break; |
535 | ||
536 | case C_EFCN: | |
537 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ | |
538 | /* intentional fallthrough */ | |
539 | case C_BLOCK: | |
540 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
541 | /* intentional fallthrough */ | |
542 | case C_FCN: | |
85051959 ILT |
543 | { |
544 | CONST char *name; | |
545 | S_SET_SEGMENT (def_symbol_in_progress, text_section); | |
355afbcd | 546 | |
85051959 | 547 | name = bfd_asymbol_name (def_symbol_in_progress->bsym); |
85051959 ILT |
548 | if (name[1] == 'b' && name[2] == 'f') |
549 | { | |
98c6bbbe | 550 | if (! in_function ()) |
48401fcf | 551 | as_warn (_("`%s' symbol without preceding function"), name); |
98c6bbbe | 552 | /* SA_SET_SYM_LNNO (def_symbol_in_progress, 12345);*/ |
85051959 ILT |
553 | /* Will need relocating */ |
554 | SF_SET_PROCESS (def_symbol_in_progress); | |
98c6bbbe | 555 | clear_function (); |
85051959 ILT |
556 | } |
557 | } | |
355afbcd KR |
558 | break; |
559 | ||
fecd2382 | 560 | #ifdef C_AUTOARG |
355afbcd | 561 | case C_AUTOARG: |
fecd2382 | 562 | #endif /* C_AUTOARG */ |
355afbcd KR |
563 | case C_AUTO: |
564 | case C_REG: | |
355afbcd KR |
565 | case C_ARG: |
566 | case C_REGPARM: | |
567 | case C_FIELD: | |
355afbcd | 568 | SF_SET_DEBUG (def_symbol_in_progress); |
85051959 | 569 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
355afbcd KR |
570 | break; |
571 | ||
e789e620 ILT |
572 | case C_MOS: |
573 | case C_MOE: | |
574 | case C_MOU: | |
575 | case C_EOS: | |
576 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
577 | break; | |
578 | ||
355afbcd KR |
579 | case C_EXT: |
580 | case C_STAT: | |
581 | case C_LABEL: | |
582 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
583 | break; | |
584 | ||
aa3c8d2d | 585 | default: |
355afbcd KR |
586 | case C_USTATIC: |
587 | case C_EXTDEF: | |
588 | case C_ULABEL: | |
48401fcf | 589 | as_warn (_("unexpected storage class %d"), |
85051959 | 590 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); |
355afbcd KR |
591 | break; |
592 | } /* switch on storage class */ | |
593 | ||
85051959 ILT |
594 | /* Now that we have built a debug symbol, try to find if we should |
595 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
596 | SEG_ABSOLUTE or untagged SEG_DEBUG it never merges. */ | |
597 | ||
598 | /* Two cases for functions. Either debug followed by definition or | |
599 | definition followed by debug. For definition first, we will | |
600 | merge the debug symbol into the definition. For debug first, the | |
601 | lineno entry MUST point to the definition function or else it | |
602 | will point off into space when obj_crawl_symbol_chain() merges | |
603 | the debug symbol into the real symbol. Therefor, let's presume | |
604 | the debug symbol is a real function reference. */ | |
605 | ||
606 | /* FIXME-SOON If for some reason the definition label/symbol is | |
607 | never seen, this will probably leave an undefined symbol at link | |
608 | time. */ | |
355afbcd KR |
609 | |
610 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
85051959 ILT |
611 | || (!strcmp (bfd_get_section_name (stdoutput, |
612 | S_GET_SEGMENT (def_symbol_in_progress)), | |
613 | "*DEBUG*") | |
614 | && !SF_GET_TAG (def_symbol_in_progress)) | |
85051959 | 615 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section |
355afbcd KR |
616 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL) |
617 | { | |
85051959 ILT |
618 | if (def_symbol_in_progress != symbol_lastP) |
619 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
620 | &symbol_lastP); | |
355afbcd KR |
621 | } |
622 | else | |
623 | { | |
85051959 ILT |
624 | /* This symbol already exists, merge the newly created symbol |
625 | into the old one. This is not mandatory. The linker can | |
626 | handle duplicate symbols correctly. But I guess that it save | |
627 | a *lot* of space if the assembly file defines a lot of | |
628 | symbols. [loic] */ | |
355afbcd | 629 | |
85051959 ILT |
630 | /* The debug entry (def_symbol_in_progress) is merged into the |
631 | previous definition. */ | |
355afbcd KR |
632 | |
633 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
e789e620 ILT |
634 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
635 | ||
355afbcd KR |
636 | def_symbol_in_progress = symbolP; |
637 | ||
638 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
ab299844 ILT |
639 | || SF_GET_TAG (def_symbol_in_progress) |
640 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
355afbcd | 641 | { |
ab299844 ILT |
642 | /* For functions, and tags, and static symbols, the symbol |
643 | *must* be where the debug symbol appears. Move the | |
644 | existing symbol to the current place. */ | |
355afbcd KR |
645 | /* If it already is at the end of the symbol list, do nothing */ |
646 | if (def_symbol_in_progress != symbol_lastP) | |
647 | { | |
648 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
649 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
85051959 ILT |
650 | } |
651 | } | |
652 | } | |
355afbcd | 653 | |
e789e620 | 654 | if (SF_GET_TAG (def_symbol_in_progress)) |
355afbcd | 655 | { |
e789e620 ILT |
656 | symbolS *oldtag; |
657 | ||
658 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
659 | DO_NOT_STRIP); | |
660 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
661 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
662 | def_symbol_in_progress); | |
85051959 | 663 | } |
355afbcd KR |
664 | |
665 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
666 | { | |
667 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
98c6bbbe | 668 | set_function (def_symbol_in_progress); |
355afbcd KR |
669 | SF_SET_PROCESS (def_symbol_in_progress); |
670 | ||
671 | if (symbolP == NULL) | |
672 | { | |
85051959 ILT |
673 | /* That is, if this is the first time we've seen the |
674 | function... */ | |
355afbcd | 675 | symbol_table_insert (def_symbol_in_progress); |
98c6bbbe KR |
676 | } /* definition follows debug */ |
677 | } /* Create the line number entry pointing to the function being defined */ | |
355afbcd KR |
678 | |
679 | def_symbol_in_progress = NULL; | |
680 | demand_empty_rest_of_line (); | |
85051959 | 681 | } |
355afbcd KR |
682 | |
683 | static void | |
8fb85d50 KR |
684 | obj_coff_dim (ignore) |
685 | int ignore; | |
355afbcd | 686 | { |
98c6bbbe | 687 | int dim_index; |
355afbcd KR |
688 | |
689 | if (def_symbol_in_progress == NULL) | |
690 | { | |
48401fcf | 691 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); |
355afbcd KR |
692 | demand_empty_rest_of_line (); |
693 | return; | |
694 | } /* if not inside .def/.endef */ | |
695 | ||
696 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
697 | ||
698 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
699 | { | |
700 | SKIP_WHITESPACES (); | |
98c6bbbe KR |
701 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, |
702 | get_absolute_expression ()); | |
355afbcd KR |
703 | |
704 | switch (*input_line_pointer) | |
705 | { | |
355afbcd KR |
706 | case ',': |
707 | input_line_pointer++; | |
708 | break; | |
709 | ||
710 | default: | |
48401fcf | 711 | as_warn (_("badly formed .dim directive ignored")); |
355afbcd KR |
712 | /* intentional fallthrough */ |
713 | case '\n': | |
714 | case ';': | |
715 | dim_index = DIMNUM; | |
716 | break; | |
98c6bbbe KR |
717 | } |
718 | } | |
355afbcd KR |
719 | |
720 | demand_empty_rest_of_line (); | |
98c6bbbe | 721 | } |
355afbcd KR |
722 | |
723 | static void | |
8fb85d50 KR |
724 | obj_coff_line (ignore) |
725 | int ignore; | |
355afbcd KR |
726 | { |
727 | int this_base; | |
728 | ||
729 | if (def_symbol_in_progress == NULL) | |
730 | { | |
98c6bbbe | 731 | /* Probably stabs-style line? */ |
85051959 | 732 | obj_coff_ln (0); |
355afbcd | 733 | return; |
98c6bbbe | 734 | } |
355afbcd KR |
735 | |
736 | this_base = get_absolute_expression (); | |
4325bcb9 | 737 | if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress))) |
257df791 | 738 | coff_line_base = this_base; |
355afbcd KR |
739 | |
740 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
257df791 | 741 | SA_SET_SYM_LNNO (def_symbol_in_progress, coff_line_base); |
355afbcd KR |
742 | |
743 | demand_empty_rest_of_line (); | |
3f8416d5 ILT |
744 | |
745 | #ifndef NO_LISTING | |
746 | if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0) | |
747 | { | |
748 | extern int listing; | |
749 | ||
750 | if (listing) | |
751 | listing_source_line ((unsigned int) coff_line_base); | |
752 | } | |
753 | #endif | |
98c6bbbe | 754 | } |
355afbcd KR |
755 | |
756 | static void | |
8fb85d50 KR |
757 | obj_coff_size (ignore) |
758 | int ignore; | |
355afbcd KR |
759 | { |
760 | if (def_symbol_in_progress == NULL) | |
761 | { | |
48401fcf | 762 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); |
355afbcd KR |
763 | demand_empty_rest_of_line (); |
764 | return; | |
765 | } /* if not inside .def/.endef */ | |
766 | ||
767 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
768 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
769 | demand_empty_rest_of_line (); | |
98c6bbbe | 770 | } |
355afbcd KR |
771 | |
772 | static void | |
8fb85d50 KR |
773 | obj_coff_scl (ignore) |
774 | int ignore; | |
355afbcd KR |
775 | { |
776 | if (def_symbol_in_progress == NULL) | |
777 | { | |
48401fcf | 778 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); |
355afbcd KR |
779 | demand_empty_rest_of_line (); |
780 | return; | |
781 | } /* if not inside .def/.endef */ | |
782 | ||
783 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
784 | demand_empty_rest_of_line (); | |
98c6bbbe | 785 | } |
355afbcd KR |
786 | |
787 | static void | |
8fb85d50 KR |
788 | obj_coff_tag (ignore) |
789 | int ignore; | |
a39116f1 | 790 | { |
355afbcd KR |
791 | char *symbol_name; |
792 | char name_end; | |
793 | ||
794 | if (def_symbol_in_progress == NULL) | |
795 | { | |
48401fcf | 796 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); |
355afbcd KR |
797 | demand_empty_rest_of_line (); |
798 | return; | |
98c6bbbe | 799 | } |
355afbcd KR |
800 | |
801 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
802 | symbol_name = input_line_pointer; | |
803 | name_end = get_symbol_end (); | |
804 | ||
64c5df8d ILT |
805 | #ifdef tc_canonicalize_symbol_name |
806 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
807 | #endif | |
808 | ||
98c6bbbe KR |
809 | /* Assume that the symbol referred to by .tag is always defined. |
810 | This was a bad assumption. I've added find_or_make. xoxorich. */ | |
85051959 | 811 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
98c6bbbe | 812 | tag_find_or_make (symbol_name)); |
355afbcd KR |
813 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) |
814 | { | |
48401fcf | 815 | as_warn (_("tag not found for .tag %s"), symbol_name); |
355afbcd KR |
816 | } /* not defined */ |
817 | ||
818 | SF_SET_TAGGED (def_symbol_in_progress); | |
819 | *input_line_pointer = name_end; | |
820 | ||
821 | demand_empty_rest_of_line (); | |
98c6bbbe | 822 | } |
355afbcd KR |
823 | |
824 | static void | |
8fb85d50 KR |
825 | obj_coff_type (ignore) |
826 | int ignore; | |
355afbcd KR |
827 | { |
828 | if (def_symbol_in_progress == NULL) | |
829 | { | |
48401fcf | 830 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); |
355afbcd KR |
831 | demand_empty_rest_of_line (); |
832 | return; | |
833 | } /* if not inside .def/.endef */ | |
834 | ||
835 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
836 | ||
837 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
838 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
839 | { | |
840 | SF_SET_FUNCTION (def_symbol_in_progress); | |
841 | } /* is a function */ | |
842 | ||
843 | demand_empty_rest_of_line (); | |
98c6bbbe | 844 | } |
355afbcd KR |
845 | |
846 | static void | |
8fb85d50 KR |
847 | obj_coff_val (ignore) |
848 | int ignore; | |
355afbcd KR |
849 | { |
850 | if (def_symbol_in_progress == NULL) | |
851 | { | |
48401fcf | 852 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); |
355afbcd KR |
853 | demand_empty_rest_of_line (); |
854 | return; | |
855 | } /* if not inside .def/.endef */ | |
856 | ||
857 | if (is_name_beginner (*input_line_pointer)) | |
858 | { | |
859 | char *symbol_name = input_line_pointer; | |
860 | char name_end = get_symbol_end (); | |
861 | ||
64c5df8d ILT |
862 | #ifdef tc_canonicalize_symbol_name |
863 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
864 | #endif | |
355afbcd KR |
865 | if (!strcmp (symbol_name, ".")) |
866 | { | |
867 | def_symbol_in_progress->sy_frag = frag_now; | |
8fb85d50 | 868 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
355afbcd KR |
869 | /* If the .val is != from the .def (e.g. statics) */ |
870 | } | |
871 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
872 | { | |
98c6bbbe | 873 | def_symbol_in_progress->sy_value.X_op = O_symbol; |
5868b1fe ILT |
874 | def_symbol_in_progress->sy_value.X_add_symbol = |
875 | symbol_find_or_make (symbol_name); | |
98c6bbbe | 876 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; |
5868b1fe | 877 | def_symbol_in_progress->sy_value.X_add_number = 0; |
5868b1fe ILT |
878 | |
879 | /* If the segment is undefined when the forward reference is | |
880 | resolved, then copy the segment id from the forward | |
881 | symbol. */ | |
355afbcd KR |
882 | SF_SET_GET_SEGMENT (def_symbol_in_progress); |
883 | } | |
884 | /* Otherwise, it is the name of a non debug symbol and its value will be calculated later. */ | |
885 | *input_line_pointer = name_end; | |
886 | } | |
887 | else | |
888 | { | |
889 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
890 | } /* if symbol based */ | |
891 | ||
892 | demand_empty_rest_of_line (); | |
98c6bbbe | 893 | } |
fecd2382 | 894 | |
355afbcd | 895 | void |
590c50d8 | 896 | coff_obj_read_begin_hook () |
355afbcd KR |
897 | { |
898 | /* These had better be the same. Usually 18 bytes. */ | |
57574979 | 899 | #ifndef BFD_HEADERS |
355afbcd KR |
900 | know (sizeof (SYMENT) == sizeof (AUXENT)); |
901 | know (SYMESZ == AUXESZ); | |
57574979 | 902 | #endif |
355afbcd | 903 | tag_init (); |
85051959 | 904 | } |
fecd2382 | 905 | |
85051959 | 906 | |
055a75ef | 907 | symbolS *coff_last_function; |
ff406bd3 | 908 | static symbolS *coff_last_bf; |
055a75ef | 909 | |
85051959 | 910 | void |
98c6bbbe | 911 | coff_frob_symbol (symp, punt) |
85051959 ILT |
912 | symbolS *symp; |
913 | int *punt; | |
914 | { | |
055a75ef | 915 | static symbolS *last_tagP; |
85051959 | 916 | static stack *block_stack; |
055a75ef | 917 | static symbolS *set_end; |
7ab1edc8 | 918 | symbolS *next_set_end = NULL; |
055a75ef KR |
919 | |
920 | if (symp == &abs_symbol) | |
921 | { | |
922 | *punt = 1; | |
923 | return; | |
924 | } | |
85051959 | 925 | |
98c6bbbe | 926 | if (current_lineno_sym) |
257df791 | 927 | coff_add_linesym ((symbolS *) 0); |
98c6bbbe | 928 | |
85051959 ILT |
929 | if (!block_stack) |
930 | block_stack = stack_init (512, sizeof (symbolS*)); | |
931 | ||
85051959 ILT |
932 | if (!S_IS_DEFINED (symp) && S_GET_STORAGE_CLASS (symp) != C_STAT) |
933 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
85051959 ILT |
934 | |
935 | if (!SF_GET_DEBUG (symp)) | |
936 | { | |
937 | symbolS *real; | |
938 | if (!SF_GET_LOCAL (symp) | |
d4d7d98c | 939 | && !SF_GET_STATICS (symp) |
85051959 ILT |
940 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) |
941 | && real != symp) | |
942 | { | |
943 | c_symbol_merge (symp, real); | |
944 | *punt = 1; | |
945 | } | |
946 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) | |
947 | { | |
948 | assert (S_GET_VALUE (symp) == 0); | |
949 | S_SET_EXTERNAL (symp); | |
950 | } | |
951 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
952 | { | |
eb4fd16f ILT |
953 | if (S_GET_SEGMENT (symp) == text_section |
954 | && symp != seg_info (text_section)->sym) | |
85051959 ILT |
955 | S_SET_STORAGE_CLASS (symp, C_LABEL); |
956 | else | |
957 | S_SET_STORAGE_CLASS (symp, C_STAT); | |
958 | } | |
959 | if (SF_GET_PROCESS (symp)) | |
960 | { | |
961 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
962 | { | |
963 | if (!strcmp (S_GET_NAME (symp), ".bb")) | |
964 | stack_push (block_stack, (char *) &symp); | |
965 | else | |
966 | { | |
967 | symbolS *begin; | |
968 | begin = *(symbolS **) stack_pop (block_stack); | |
969 | if (begin == 0) | |
48401fcf | 970 | as_warn (_("mismatched .eb")); |
85051959 | 971 | else |
7ab1edc8 | 972 | next_set_end = begin; |
85051959 ILT |
973 | } |
974 | } | |
055a75ef | 975 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
85051959 ILT |
976 | { |
977 | union internal_auxent *auxp; | |
055a75ef | 978 | coff_last_function = symp; |
85051959 ILT |
979 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) |
980 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
981 | auxp = &coffsymbol (symp->bsym)->native[1].u.auxent; | |
982 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, | |
983 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
984 | } | |
985 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) | |
986 | { | |
055a75ef | 987 | if (coff_last_function == 0) |
48401fcf | 988 | as_fatal (_("C_EFCN symbol out of scope")); |
055a75ef | 989 | SA_SET_SYM_FSIZE (coff_last_function, |
85051959 | 990 | (long) (S_GET_VALUE (symp) |
055a75ef | 991 | - S_GET_VALUE (coff_last_function))); |
7ab1edc8 | 992 | next_set_end = coff_last_function; |
055a75ef | 993 | coff_last_function = 0; |
85051959 ILT |
994 | } |
995 | } | |
98c6bbbe KR |
996 | if (S_IS_EXTERNAL (symp)) |
997 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
998 | else if (SF_GET_LOCAL (symp)) | |
85051959 | 999 | *punt = 1; |
a91c6b08 ILT |
1000 | |
1001 | if (SF_GET_FUNCTION (symp)) | |
1002 | symp->bsym->flags |= BSF_FUNCTION; | |
1003 | ||
85051959 ILT |
1004 | /* more ... */ |
1005 | } | |
055a75ef | 1006 | |
e789e620 ILT |
1007 | if (SF_GET_TAG (symp)) |
1008 | last_tagP = symp; | |
1009 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
1010 | next_set_end = last_tagP; | |
e789e620 | 1011 | |
7ab1edc8 ILT |
1012 | #ifdef OBJ_XCOFF |
1013 | /* This is pretty horrible, but we have to set *punt correctly in | |
1014 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
1015 | if (! symp->sy_used_in_reloc | |
1016 | && ((symp->bsym->flags & BSF_SECTION_SYM) != 0 | |
1017 | || (! S_IS_EXTERNAL (symp) | |
1018 | && ! symp->sy_tc.output | |
1019 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) | |
1020 | *punt = 1; | |
1021 | #endif | |
1022 | ||
055a75ef | 1023 | if (set_end != (symbolS *) NULL |
e789e620 ILT |
1024 | && ! *punt |
1025 | && ((symp->bsym->flags & BSF_NOT_AT_END) != 0 | |
1026 | || (S_IS_DEFINED (symp) | |
1027 | && ! S_IS_COMMON (symp) | |
1028 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
055a75ef KR |
1029 | { |
1030 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1031 | set_end = NULL; | |
1032 | } | |
1033 | ||
7ab1edc8 ILT |
1034 | if (next_set_end != NULL |
1035 | && ! *punt) | |
1036 | set_end = next_set_end; | |
1037 | ||
ff406bd3 ILT |
1038 | if (! *punt |
1039 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
1040 | && strcmp (S_GET_NAME (symp), ".bf") == 0) | |
1041 | { | |
1042 | if (coff_last_bf != NULL) | |
1043 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1044 | coff_last_bf = symp; | |
1045 | } | |
1046 | ||
85051959 ILT |
1047 | if (coffsymbol (symp->bsym)->lineno) |
1048 | { | |
d675782a | 1049 | int i; |
85051959 ILT |
1050 | struct line_no *lptr; |
1051 | alent *l; | |
1052 | ||
1053 | lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno; | |
1054 | for (i = 0; lptr; lptr = lptr->next) | |
1055 | i++; | |
85051959 | 1056 | lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno; |
d675782a KR |
1057 | |
1058 | /* We need i entries for line numbers, plus 1 for the first | |
1059 | entry which BFD will override, plus 1 for the last zero | |
1060 | entry (a marker for BFD). */ | |
590c50d8 | 1061 | l = (alent *) xmalloc ((i + 2) * sizeof (alent)); |
85051959 | 1062 | coffsymbol (symp->bsym)->lineno = l; |
d675782a KR |
1063 | l[i + 1].line_number = 0; |
1064 | l[i + 1].u.sym = NULL; | |
1065 | for (; i > 0; i--) | |
85051959 ILT |
1066 | { |
1067 | if (lptr->frag) | |
1068 | lptr->l.u.offset += lptr->frag->fr_address; | |
1069 | l[i] = lptr->l; | |
1070 | lptr = lptr->next; | |
1071 | } | |
1072 | } | |
1073 | } | |
1074 | ||
4325bcb9 KR |
1075 | void |
1076 | coff_adjust_section_syms (abfd, sec, x) | |
1077 | bfd *abfd; | |
1078 | asection *sec; | |
1079 | PTR x; | |
1080 | { | |
1081 | symbolS *secsym; | |
1082 | segment_info_type *seginfo = seg_info (sec); | |
1083 | int nlnno, nrelocs = 0; | |
1084 | ||
d675782a KR |
1085 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in |
1086 | tc-ppc.c. Do not get confused by it. */ | |
1087 | if (seginfo == NULL) | |
1088 | return; | |
1089 | ||
4325bcb9 | 1090 | if (!strcmp (sec->name, ".text")) |
7ab1edc8 | 1091 | nlnno = coff_n_line_nos; |
4325bcb9 KR |
1092 | else |
1093 | nlnno = 0; | |
1094 | { | |
1095 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1096 | entry... */ | |
1097 | fixS *fixp = seginfo->fix_root; | |
1098 | while (fixp) | |
1099 | { | |
48401fcf TT |
1100 | if (! fixp->fx_done) |
1101 | nrelocs++; | |
4325bcb9 | 1102 | fixp = fixp->fx_next; |
4325bcb9 KR |
1103 | } |
1104 | } | |
1105 | if (bfd_get_section_size_before_reloc (sec) == 0 | |
e789e620 ILT |
1106 | && nrelocs == 0 |
1107 | && nlnno == 0 | |
1108 | && sec != text_section | |
1109 | && sec != data_section | |
1110 | && sec != bss_section) | |
4325bcb9 KR |
1111 | return; |
1112 | secsym = section_symbol (sec); | |
1113 | SA_SET_SCN_NRELOC (secsym, nrelocs); | |
1114 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1115 | } | |
1116 | ||
1117 | void | |
48401fcf | 1118 | coff_frob_file_after_relocs () |
4325bcb9 KR |
1119 | { |
1120 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0); | |
1121 | } | |
1122 | ||
055a75ef KR |
1123 | /* |
1124 | * implement the .section pseudo op: | |
1125 | * .section name {, "flags"} | |
1126 | * ^ ^ | |
1127 | * | +--- optional flags: 'b' for bss | |
1128 | * | 'i' for info | |
1129 | * +-- section name 'l' for lib | |
1130 | * 'n' for noload | |
1131 | * 'o' for over | |
1132 | * 'w' for data | |
1133 | * 'd' (apparently m88k for data) | |
1134 | * 'x' for text | |
590c50d8 | 1135 | * 'r' for read-only data |
055a75ef KR |
1136 | * But if the argument is not a quoted string, treat it as a |
1137 | * subsegment number. | |
1138 | */ | |
1139 | ||
1140 | void | |
1141 | obj_coff_section (ignore) | |
1142 | int ignore; | |
85051959 ILT |
1143 | { |
1144 | /* Strip out the section name */ | |
055a75ef | 1145 | char *section_name; |
85051959 | 1146 | char c; |
055a75ef | 1147 | char *name; |
85051959 | 1148 | unsigned int exp; |
055a75ef KR |
1149 | flagword flags; |
1150 | asection *sec; | |
85051959 | 1151 | |
7ab1edc8 ILT |
1152 | if (flag_mri) |
1153 | { | |
1154 | char type; | |
1155 | ||
1156 | s_mri_sect (&type); | |
1157 | return; | |
1158 | } | |
1159 | ||
055a75ef KR |
1160 | section_name = input_line_pointer; |
1161 | c = get_symbol_end (); | |
85051959 | 1162 | |
055a75ef KR |
1163 | name = xmalloc (input_line_pointer - section_name + 1); |
1164 | strcpy (name, section_name); | |
1165 | ||
1166 | *input_line_pointer = c; | |
1167 | ||
1168 | SKIP_WHITESPACE (); | |
1169 | ||
1170 | exp = 0; | |
1171 | flags = SEC_NO_FLAGS; | |
1172 | ||
1173 | if (*input_line_pointer == ',') | |
85051959 | 1174 | { |
055a75ef KR |
1175 | ++input_line_pointer; |
1176 | SKIP_WHITESPACE (); | |
1177 | if (*input_line_pointer != '"') | |
1178 | exp = get_absolute_expression (); | |
1179 | else | |
1180 | { | |
1181 | ++input_line_pointer; | |
1182 | while (*input_line_pointer != '"' | |
1183 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1184 | { | |
1185 | switch (*input_line_pointer) | |
1186 | { | |
1187 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1188 | case 'n': flags &=~ SEC_LOAD; break; | |
1189 | case 'd': | |
1190 | case 'w': flags &=~ SEC_READONLY; break; | |
1191 | case 'x': flags |= SEC_CODE; break; | |
590c50d8 | 1192 | case 'r': flags |= SEC_READONLY; break; |
055a75ef KR |
1193 | |
1194 | case 'i': /* STYP_INFO */ | |
1195 | case 'l': /* STYP_LIB */ | |
1196 | case 'o': /* STYP_OVER */ | |
48401fcf | 1197 | as_warn (_("unsupported section attribute '%c'"), |
055a75ef KR |
1198 | *input_line_pointer); |
1199 | break; | |
1200 | ||
1201 | default: | |
48401fcf | 1202 | as_warn(_("unknown section attribute '%c'"), |
055a75ef KR |
1203 | *input_line_pointer); |
1204 | break; | |
1205 | } | |
1206 | ++input_line_pointer; | |
1207 | } | |
1208 | if (*input_line_pointer == '"') | |
1209 | ++input_line_pointer; | |
1210 | } | |
85051959 | 1211 | } |
055a75ef KR |
1212 | |
1213 | sec = subseg_new (name, (subsegT) exp); | |
1214 | ||
1215 | if (flags != SEC_NO_FLAGS) | |
85051959 | 1216 | { |
055a75ef | 1217 | if (! bfd_set_section_flags (stdoutput, sec, flags)) |
48401fcf | 1218 | as_warn (_("error setting flags for \"%s\": %s"), |
055a75ef KR |
1219 | bfd_section_name (stdoutput, sec), |
1220 | bfd_errmsg (bfd_get_error ())); | |
85051959 | 1221 | } |
116bf30f ILT |
1222 | |
1223 | demand_empty_rest_of_line (); | |
85051959 ILT |
1224 | } |
1225 | ||
1226 | void | |
2283f8a0 | 1227 | coff_adjust_symtab () |
85051959 ILT |
1228 | { |
1229 | if (symbol_rootP == NULL | |
1230 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
ab299844 | 1231 | c_dot_file_symbol ("fake"); |
85051959 | 1232 | } |
71b4de6f KR |
1233 | |
1234 | void | |
8fb85d50 KR |
1235 | coff_frob_section (sec) |
1236 | segT sec; | |
71b4de6f | 1237 | { |
8fb85d50 | 1238 | segT strsec; |
e789e620 | 1239 | char *p; |
71b4de6f | 1240 | fragS *fragp; |
8fb85d50 KR |
1241 | bfd_vma size, n_entries, mask; |
1242 | ||
1243 | /* The COFF back end in BFD requires that all section sizes be | |
1244 | rounded up to multiples of the corresponding section alignments. | |
1245 | Seems kinda silly to me, but that's the way it is. */ | |
1246 | size = bfd_get_section_size_before_reloc (sec); | |
8fb85d50 KR |
1247 | mask = ((bfd_vma) 1 << (bfd_vma) sec->alignment_power) - 1; |
1248 | if (size & mask) | |
4325bcb9 KR |
1249 | { |
1250 | size = (size + mask) & ~mask; | |
1251 | bfd_set_section_size (stdoutput, sec, size); | |
1252 | } | |
1253 | ||
1254 | /* If the section size is non-zero, the section symbol needs an aux | |
1255 | entry associated with it, indicating the size. We don't know | |
1256 | all the values yet; coff_frob_symbol will fill them in later. */ | |
e789e620 ILT |
1257 | if (size != 0 |
1258 | || sec == text_section | |
1259 | || sec == data_section | |
1260 | || sec == bss_section) | |
4325bcb9 KR |
1261 | { |
1262 | symbolS *secsym = section_symbol (sec); | |
1263 | ||
1264 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1265 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1266 | SF_SET_STATICS (secsym); | |
1267 | SA_SET_SCN_SCNLEN (secsym, size); | |
1268 | } | |
71b4de6f KR |
1269 | |
1270 | /* @@ these should be in a "stabs.h" file, or maybe as.h */ | |
1271 | #ifndef STAB_SECTION_NAME | |
1272 | #define STAB_SECTION_NAME ".stab" | |
1273 | #endif | |
1274 | #ifndef STAB_STRING_SECTION_NAME | |
1275 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1276 | #endif | |
8fb85d50 | 1277 | if (strcmp (STAB_STRING_SECTION_NAME, sec->name)) |
71b4de6f KR |
1278 | return; |
1279 | ||
8fb85d50 | 1280 | strsec = sec; |
71b4de6f KR |
1281 | sec = subseg_get (STAB_SECTION_NAME, 0); |
1282 | /* size is already rounded up, since other section will be listed first */ | |
1283 | size = bfd_get_section_size_before_reloc (strsec); | |
1284 | ||
1285 | n_entries = bfd_get_section_size_before_reloc (sec) / 12 - 1; | |
1286 | ||
1287 | /* Find first non-empty frag. It should be large enough. */ | |
1288 | fragp = seg_info (sec)->frchainP->frch_root; | |
1289 | while (fragp && fragp->fr_fix == 0) | |
1290 | fragp = fragp->fr_next; | |
1291 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1292 | ||
1293 | /* Store the values. */ | |
1294 | p = fragp->fr_literal; | |
1295 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1296 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1297 | } | |
1298 | ||
1299 | void | |
1300 | obj_coff_init_stab_section (seg) | |
1301 | segT seg; | |
1302 | { | |
1303 | char *file; | |
1304 | char *p; | |
1305 | char *stabstr_name; | |
1306 | unsigned int stroff; | |
1307 | ||
1308 | /* Make space for this first symbol. */ | |
1309 | p = frag_more (12); | |
1310 | /* Zero it out. */ | |
1311 | memset (p, 0, 12); | |
1312 | as_where (&file, (unsigned int *) NULL); | |
1313 | stabstr_name = (char *) alloca (strlen (seg->name) + 4); | |
1314 | strcpy (stabstr_name, seg->name); | |
1315 | strcat (stabstr_name, "str"); | |
1316 | stroff = get_stab_string_offset (file, stabstr_name); | |
1317 | know (stroff == 1); | |
1318 | md_number_to_chars (p, stroff, 4); | |
1319 | } | |
85051959 | 1320 | |
fecd2382 | 1321 | #ifdef DEBUG |
a39116f1 | 1322 | /* for debugging */ |
98c6bbbe | 1323 | const char * |
355afbcd KR |
1324 | s_get_name (s) |
1325 | symbolS *s; | |
fecd2382 | 1326 | { |
355afbcd | 1327 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); |
71b4de6f | 1328 | } |
355afbcd KR |
1329 | |
1330 | void | |
1331 | symbol_dump () | |
1332 | { | |
1333 | symbolS *symbolP; | |
1334 | ||
1335 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
1336 | { | |
48401fcf | 1337 | printf(_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"), |
85051959 ILT |
1338 | (unsigned long) symbolP, |
1339 | S_GET_NAME(symbolP), | |
1340 | (long) S_GET_DATA_TYPE(symbolP), | |
1341 | S_GET_STORAGE_CLASS(symbolP), | |
1342 | (int) S_GET_SEGMENT(symbolP)); | |
85051959 ILT |
1343 | } |
1344 | } | |
355afbcd | 1345 | |
fecd2382 RP |
1346 | #endif /* DEBUG */ |
1347 | ||
2283f8a0 KR |
1348 | #else /* not BFD_ASSEMBLER */ |
1349 | ||
1350 | #include "frags.h" | |
1351 | /* This is needed because we include internal bfd things. */ | |
1352 | #include <time.h> | |
d21041b3 SS |
1353 | |
1354 | #include "libbfd.h" | |
1355 | #include "libcoff.h" | |
2283f8a0 | 1356 | |
ff406bd3 ILT |
1357 | #ifdef TE_PE |
1358 | #include "coff/pe.h" | |
1359 | #endif | |
1360 | ||
2283f8a0 KR |
1361 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so |
1362 | that we can stick sections together without causing trouble. */ | |
1363 | #ifndef NOP_OPCODE | |
1364 | #define NOP_OPCODE 0x00 | |
1365 | #endif | |
1366 | ||
eb4fd16f ILT |
1367 | /* The zeroes if symbol name is longer than 8 chars */ |
1368 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1369 | ||
2283f8a0 KR |
1370 | #define MIN(a,b) ((a) < (b)? (a) : (b)) |
1371 | /* This vector is used to turn an internal segment into a section # | |
1372 | suitable for insertion into a coff symbol table | |
1373 | */ | |
1374 | ||
1375 | const short seg_N_TYPE[] = | |
1376 | { /* in: segT out: N_TYPE bits */ | |
1377 | C_ABS_SECTION, | |
ff406bd3 ILT |
1378 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
1379 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1380 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1381 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
2283f8a0 KR |
1382 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ |
1383 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1384 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1385 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1386 | C_NTV_SECTION, /* SEG_NTV */ | |
1387 | C_PTV_SECTION, /* SEG_PTV */ | |
1388 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1389 | }; | |
1390 | ||
1391 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1392 | started (the odd entry for line #0) */ | |
1393 | ||
e789e620 ILT |
1394 | /* structure used to keep the filenames which |
1395 | are too long around so that we can stick them | |
1396 | into the string table */ | |
1397 | struct filename_list | |
1398 | { | |
1399 | char *filename; | |
1400 | struct filename_list *next; | |
1401 | }; | |
1402 | ||
1403 | static struct filename_list *filename_list_head; | |
1404 | static struct filename_list *filename_list_tail; | |
1405 | ||
2283f8a0 KR |
1406 | static symbolS *last_line_symbol; |
1407 | ||
1408 | /* Add 4 to the real value to get the index and compensate the | |
1409 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
1410 | section number into a segment number | |
1411 | */ | |
eb4fd16f | 1412 | static symbolS *previous_file_symbol; |
2283f8a0 KR |
1413 | void c_symbol_merge (); |
1414 | static int line_base; | |
1415 | ||
1416 | symbolS *c_section_symbol (); | |
1417 | bfd *abfd; | |
1418 | ||
1419 | static void fixup_segment PARAMS ((segment_info_type *segP, | |
1420 | segT this_segment_type)); | |
1421 | ||
1422 | ||
1423 | static void fixup_mdeps PARAMS ((fragS *, | |
1424 | object_headers *, | |
1425 | segT)); | |
1426 | ||
1427 | ||
1428 | static void fill_section PARAMS ((bfd * abfd, | |
1429 | object_headers *, | |
1430 | unsigned long *)); | |
1431 | ||
1432 | ||
2283f8a0 | 1433 | static int c_line_new PARAMS ((symbolS * symbol, long paddr, |
eb4fd16f | 1434 | int line_number, |
2283f8a0 KR |
1435 | fragS * frag)); |
1436 | ||
1437 | ||
1438 | static void w_symbols PARAMS ((bfd * abfd, char *where, | |
1439 | symbolS * symbol_rootP)); | |
1440 | ||
1441 | static void adjust_stab_section PARAMS ((bfd *abfd, segT seg)); | |
1442 | ||
2283f8a0 KR |
1443 | static void obj_coff_lcomm PARAMS ((int)); |
1444 | static void obj_coff_text PARAMS ((int)); | |
1445 | static void obj_coff_data PARAMS ((int)); | |
2283f8a0 KR |
1446 | static void obj_coff_ident PARAMS ((int)); |
1447 | void obj_coff_section PARAMS ((int)); | |
1448 | ||
2283f8a0 KR |
1449 | /* Section stuff |
1450 | ||
1451 | We allow more than just the standard 3 sections, infact, we allow | |
ff406bd3 | 1452 | 40 sections, (though the usual three have to be there). |
2283f8a0 KR |
1453 | |
1454 | This structure performs the mappings for us: | |
2283f8a0 KR |
1455 | */ |
1456 | ||
ff406bd3 | 1457 | |
2283f8a0 KR |
1458 | typedef struct |
1459 | { | |
1460 | segT seg_t; | |
1461 | int i; | |
1462 | } seg_info_type; | |
1463 | ||
ff406bd3 | 1464 | static const seg_info_type seg_info_off_by_4[] = |
2283f8a0 KR |
1465 | { |
1466 | {SEG_PTV, }, | |
1467 | {SEG_NTV, }, | |
1468 | {SEG_DEBUG, }, | |
1469 | {SEG_ABSOLUTE, }, | |
1470 | {SEG_UNKNOWN, }, | |
ff406bd3 ILT |
1471 | {SEG_E0}, {SEG_E1}, {SEG_E2}, {SEG_E3}, {SEG_E4}, |
1472 | {SEG_E5}, {SEG_E6}, {SEG_E7}, {SEG_E8}, {SEG_E9}, | |
1473 | {SEG_E10},{SEG_E11},{SEG_E12},{SEG_E13},{SEG_E14}, | |
1474 | {SEG_E15},{SEG_E16},{SEG_E17},{SEG_E18},{SEG_E19}, | |
1475 | {SEG_E20},{SEG_E21},{SEG_E22},{SEG_E23},{SEG_E24}, | |
1476 | {SEG_E25},{SEG_E26},{SEG_E27},{SEG_E28},{SEG_E29}, | |
1477 | {SEG_E30},{SEG_E31},{SEG_E32},{SEG_E33},{SEG_E34}, | |
1478 | {SEG_E35},{SEG_E36},{SEG_E37},{SEG_E38},{SEG_E39}, | |
1479 | {(segT)40}, | |
1480 | {(segT)41}, | |
1481 | {(segT)42}, | |
1482 | {(segT)43}, | |
1483 | {(segT)44}, | |
1484 | {(segT)45}, | |
2283f8a0 KR |
1485 | {(segT)0}, |
1486 | {(segT)0}, | |
1487 | {(segT)0}, | |
1488 | {SEG_REGISTER} | |
1489 | }; | |
1490 | ||
1491 | ||
1492 | ||
1493 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) | |
2283f8a0 KR |
1494 | |
1495 | static relax_addressT | |
1496 | relax_align (address, alignment) | |
1497 | relax_addressT address; | |
1498 | long alignment; | |
1499 | { | |
1500 | relax_addressT mask; | |
1501 | relax_addressT new_address; | |
1502 | ||
1503 | mask = ~((~0) << alignment); | |
1504 | new_address = (address + mask) & (~mask); | |
1505 | return (new_address - address); | |
eb4fd16f | 1506 | } |
2283f8a0 KR |
1507 | |
1508 | ||
1509 | segT | |
1510 | s_get_segment (x) | |
1511 | symbolS * x; | |
1512 | { | |
1513 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum).seg_t; | |
1514 | } | |
1515 | ||
2283f8a0 KR |
1516 | /* calculate the size of the frag chain and fill in the section header |
1517 | to contain all of it, also fill in the addr of the sections */ | |
1518 | static unsigned int | |
1519 | size_section (abfd, idx) | |
1520 | bfd * abfd; | |
1521 | unsigned int idx; | |
1522 | { | |
1523 | ||
1524 | unsigned int size = 0; | |
1525 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
1526 | while (frag) | |
1527 | { | |
1528 | size = frag->fr_address; | |
1529 | if (frag->fr_address != size) | |
1530 | { | |
48401fcf | 1531 | fprintf (stderr, _("Out of step\n")); |
2283f8a0 KR |
1532 | size = frag->fr_address; |
1533 | } | |
1534 | ||
1535 | switch (frag->fr_type) | |
1536 | { | |
1537 | #ifdef TC_COFF_SIZEMACHDEP | |
1538 | case rs_machine_dependent: | |
1539 | size += TC_COFF_SIZEMACHDEP (frag); | |
1540 | break; | |
1541 | #endif | |
aac4d5a7 KR |
1542 | case rs_space: |
1543 | assert (frag->fr_symbol == 0); | |
2283f8a0 KR |
1544 | case rs_fill: |
1545 | case rs_org: | |
1546 | size += frag->fr_fix; | |
1547 | size += frag->fr_offset * frag->fr_var; | |
1548 | break; | |
1549 | case rs_align: | |
9e4b3a23 | 1550 | case rs_align_code: |
d7bf6158 ILT |
1551 | { |
1552 | addressT off; | |
1553 | ||
1554 | size += frag->fr_fix; | |
1555 | off = relax_align (size, frag->fr_offset); | |
1556 | if (frag->fr_subtype != 0 && off > frag->fr_subtype) | |
1557 | off = 0; | |
1558 | size += off; | |
1559 | } | |
2283f8a0 KR |
1560 | break; |
1561 | default: | |
1562 | BAD_CASE (frag->fr_type); | |
1563 | break; | |
1564 | } | |
1565 | frag = frag->fr_next; | |
1566 | } | |
1567 | segment_info[idx].scnhdr.s_size = size; | |
1568 | return size; | |
1569 | } | |
1570 | ||
1571 | ||
1572 | static unsigned int | |
1573 | count_entries_in_chain (idx) | |
1574 | unsigned int idx; | |
1575 | { | |
1576 | unsigned int nrelocs; | |
1577 | fixS *fixup_ptr; | |
1578 | ||
1579 | /* Count the relocations */ | |
1580 | fixup_ptr = segment_info[idx].fix_root; | |
1581 | nrelocs = 0; | |
1582 | while (fixup_ptr != (fixS *) NULL) | |
1583 | { | |
e789e620 | 1584 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) |
2283f8a0 KR |
1585 | { |
1586 | #ifdef TC_A29K | |
1587 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) | |
1588 | nrelocs += 2; | |
1589 | else | |
1590 | nrelocs++; | |
1591 | #else | |
1592 | nrelocs++; | |
1593 | #endif | |
1594 | } | |
1595 | ||
1596 | fixup_ptr = fixup_ptr->fx_next; | |
1597 | } | |
1598 | return nrelocs; | |
1599 | } | |
1600 | ||
66b935da ILT |
1601 | #ifdef TE_AUX |
1602 | ||
1603 | static int compare_external_relocs PARAMS ((const PTR, const PTR)); | |
1604 | ||
1605 | /* AUX's ld expects relocations to be sorted */ | |
1606 | static int | |
1607 | compare_external_relocs (x, y) | |
1608 | const PTR x; | |
1609 | const PTR y; | |
1610 | { | |
1611 | struct external_reloc *a = (struct external_reloc *) x; | |
1612 | struct external_reloc *b = (struct external_reloc *) y; | |
1613 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
1614 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
1615 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
1616 | } | |
1617 | ||
1618 | #endif | |
1619 | ||
2283f8a0 KR |
1620 | /* output all the relocations for a section */ |
1621 | void | |
1622 | do_relocs_for (abfd, h, file_cursor) | |
1623 | bfd * abfd; | |
1624 | object_headers * h; | |
1625 | unsigned long *file_cursor; | |
1626 | { | |
1627 | unsigned int nrelocs; | |
1628 | unsigned int idx; | |
1629 | unsigned long reloc_start = *file_cursor; | |
1630 | ||
ff406bd3 | 1631 | for (idx = SEG_E0; idx < SEG_LAST; idx++) |
2283f8a0 KR |
1632 | { |
1633 | if (segment_info[idx].scnhdr.s_name[0]) | |
1634 | { | |
1635 | struct external_reloc *ext_ptr; | |
1636 | struct external_reloc *external_reloc_vec; | |
1637 | unsigned int external_reloc_size; | |
1638 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1639 | fixS *fix_ptr = segment_info[idx].fix_root; | |
1640 | nrelocs = count_entries_in_chain (idx); | |
1641 | ||
1642 | if (nrelocs) | |
1643 | /* Bypass this stuff if no relocs. This also incidentally | |
1644 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
1645 | { | |
1646 | external_reloc_size = nrelocs * RELSZ; | |
1647 | external_reloc_vec = | |
1648 | (struct external_reloc *) malloc (external_reloc_size); | |
1649 | ||
1650 | ext_ptr = external_reloc_vec; | |
1651 | ||
1652 | /* Fill in the internal coff style reloc struct from the | |
1653 | internal fix list. */ | |
1654 | while (fix_ptr) | |
1655 | { | |
2283f8a0 KR |
1656 | struct internal_reloc intr; |
1657 | ||
1658 | /* Only output some of the relocations */ | |
e789e620 | 1659 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
2283f8a0 KR |
1660 | { |
1661 | #ifdef TC_RELOC_MANGLE | |
a91c6b08 ILT |
1662 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, |
1663 | base); | |
2283f8a0 KR |
1664 | |
1665 | #else | |
1666 | symbolS *dot; | |
96d1566d | 1667 | symbolS *symbol_ptr = fix_ptr->fx_addsy; |
2283f8a0 KR |
1668 | |
1669 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
1670 | intr.r_vaddr = | |
1671 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
1672 | ||
4325bcb9 | 1673 | #ifdef TC_KEEP_FX_OFFSET |
2283f8a0 KR |
1674 | intr.r_offset = fix_ptr->fx_offset; |
1675 | #else | |
1676 | intr.r_offset = 0; | |
1677 | #endif | |
1678 | ||
71dd3c40 ILT |
1679 | while (symbol_ptr->sy_value.X_op == O_symbol |
1680 | && (! S_IS_DEFINED (symbol_ptr) | |
1681 | || S_IS_COMMON (symbol_ptr))) | |
d7bf6158 ILT |
1682 | { |
1683 | symbolS *n; | |
1684 | ||
1685 | /* We must avoid looping, as that can occur | |
1686 | with a badly written program. */ | |
1687 | n = symbol_ptr->sy_value.X_add_symbol; | |
1688 | if (n == symbol_ptr) | |
1689 | break; | |
1690 | symbol_ptr = n; | |
1691 | } | |
66b935da | 1692 | |
2283f8a0 KR |
1693 | /* Turn the segment of the symbol into an offset. */ |
1694 | if (symbol_ptr) | |
1695 | { | |
48401fcf | 1696 | resolve_symbol_value (symbol_ptr, 1); |
ab299844 ILT |
1697 | if (! symbol_ptr->sy_resolved) |
1698 | { | |
1699 | char *file; | |
1700 | unsigned int line; | |
1701 | ||
1702 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
1703 | as_bad_where (file, line, | |
48401fcf | 1704 | _("unresolved relocation")); |
ab299844 | 1705 | else |
48401fcf | 1706 | as_bad (_("bad relocation: symbol `%s' not in symbol table"), |
ab299844 ILT |
1707 | S_GET_NAME (symbol_ptr)); |
1708 | } | |
2283f8a0 KR |
1709 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
1710 | if (dot) | |
1711 | { | |
1712 | intr.r_symndx = dot->sy_number; | |
1713 | } | |
1714 | else | |
1715 | { | |
1716 | intr.r_symndx = symbol_ptr->sy_number; | |
1717 | } | |
1718 | ||
1719 | } | |
1720 | else | |
1721 | { | |
1722 | intr.r_symndx = -1; | |
1723 | } | |
1724 | #endif | |
1725 | ||
1726 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
1727 | ext_ptr++; | |
1728 | ||
1729 | #if defined(TC_A29K) | |
1730 | ||
1731 | /* The 29k has a special kludge for the high 16 bit | |
1732 | reloc. Two relocations are emited, R_IHIHALF, | |
1733 | and R_IHCONST. The second one doesn't contain a | |
1734 | symbol, but uses the value for offset. */ | |
1735 | ||
1736 | if (intr.r_type == R_IHIHALF) | |
1737 | { | |
1738 | /* now emit the second bit */ | |
1739 | intr.r_type = R_IHCONST; | |
1740 | intr.r_symndx = fix_ptr->fx_addnumber; | |
1741 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
1742 | ext_ptr++; | |
1743 | } | |
1744 | #endif | |
1745 | } | |
1746 | ||
1747 | fix_ptr = fix_ptr->fx_next; | |
1748 | } | |
1749 | ||
66b935da ILT |
1750 | #ifdef TE_AUX |
1751 | /* Sort the reloc table */ | |
1752 | qsort ((PTR) external_reloc_vec, nrelocs, | |
1753 | sizeof (struct external_reloc), compare_external_relocs); | |
1754 | #endif | |
1755 | ||
2283f8a0 KR |
1756 | /* Write out the reloc table */ |
1757 | bfd_write ((PTR) external_reloc_vec, 1, external_reloc_size, | |
1758 | abfd); | |
1759 | free (external_reloc_vec); | |
1760 | ||
1761 | /* Fill in section header info. */ | |
1762 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
1763 | *file_cursor += external_reloc_size; | |
1764 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
1765 | } | |
1766 | else | |
1767 | { | |
1768 | /* No relocs */ | |
1769 | segment_info[idx].scnhdr.s_relptr = 0; | |
1770 | } | |
1771 | } | |
1772 | } | |
1773 | /* Set relocation_size field in file headers */ | |
1774 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); | |
1775 | } | |
1776 | ||
1777 | ||
1778 | /* run through a frag chain and write out the data to go with it, fill | |
1779 | in the scnhdrs with the info on the file postions | |
1780 | */ | |
1781 | static void | |
1782 | fill_section (abfd, h, file_cursor) | |
1783 | bfd * abfd; | |
1784 | object_headers *h; | |
1785 | unsigned long *file_cursor; | |
1786 | { | |
1787 | ||
1788 | unsigned int i; | |
1789 | unsigned int paddr = 0; | |
1790 | ||
1791 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
1792 | { | |
1793 | unsigned int offset = 0; | |
2283f8a0 KR |
1794 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); |
1795 | ||
d21041b3 SS |
1796 | PROGRESS (1); |
1797 | ||
2283f8a0 KR |
1798 | if (s->s_name[0]) |
1799 | { | |
1800 | fragS *frag = segment_info[i].frchainP->frch_root; | |
1801 | char *buffer; | |
1802 | ||
1803 | if (s->s_size == 0) | |
1804 | s->s_scnptr = 0; | |
1805 | else | |
1806 | { | |
1807 | buffer = xmalloc (s->s_size); | |
1808 | s->s_scnptr = *file_cursor; | |
1809 | } | |
1810 | know (s->s_paddr == paddr); | |
1811 | ||
1812 | if (strcmp (s->s_name, ".text") == 0) | |
1813 | s->s_flags |= STYP_TEXT; | |
1814 | else if (strcmp (s->s_name, ".data") == 0) | |
1815 | s->s_flags |= STYP_DATA; | |
1816 | else if (strcmp (s->s_name, ".bss") == 0) | |
1817 | { | |
1818 | s->s_scnptr = 0; | |
1819 | s->s_flags |= STYP_BSS; | |
1820 | ||
1821 | /* @@ Should make the i386 and a29k coff targets define | |
1822 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
1823 | #ifndef TC_I386 | |
1824 | #ifndef TC_A29K | |
1825 | #ifndef COFF_NOLOAD_PROBLEM | |
1826 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
1827 | mondfe progrem are confused by noload sections. */ | |
1828 | s->s_flags |= STYP_NOLOAD; | |
1829 | #endif | |
1830 | #endif | |
1831 | #endif | |
1832 | } | |
1833 | else if (strcmp (s->s_name, ".lit") == 0) | |
1834 | s->s_flags = STYP_LIT | STYP_TEXT; | |
1835 | else if (strcmp (s->s_name, ".init") == 0) | |
1836 | s->s_flags |= STYP_TEXT; | |
1837 | else if (strcmp (s->s_name, ".fini") == 0) | |
1838 | s->s_flags |= STYP_TEXT; | |
1839 | else if (strncmp (s->s_name, ".comment", 8) == 0) | |
1840 | s->s_flags |= STYP_INFO; | |
1841 | ||
1842 | while (frag) | |
1843 | { | |
1844 | unsigned int fill_size; | |
1845 | switch (frag->fr_type) | |
1846 | { | |
1847 | case rs_machine_dependent: | |
1848 | if (frag->fr_fix) | |
1849 | { | |
1850 | memcpy (buffer + frag->fr_address, | |
1851 | frag->fr_literal, | |
1852 | (unsigned int) frag->fr_fix); | |
1853 | offset += frag->fr_fix; | |
1854 | } | |
1855 | ||
1856 | break; | |
aac4d5a7 KR |
1857 | case rs_space: |
1858 | assert (frag->fr_symbol == 0); | |
2283f8a0 KR |
1859 | case rs_fill: |
1860 | case rs_align: | |
9e4b3a23 | 1861 | case rs_align_code: |
2283f8a0 KR |
1862 | case rs_org: |
1863 | if (frag->fr_fix) | |
1864 | { | |
1865 | memcpy (buffer + frag->fr_address, | |
1866 | frag->fr_literal, | |
1867 | (unsigned int) frag->fr_fix); | |
1868 | offset += frag->fr_fix; | |
1869 | } | |
1870 | ||
1871 | fill_size = frag->fr_var; | |
1872 | if (fill_size && frag->fr_offset > 0) | |
1873 | { | |
1874 | unsigned int count; | |
1875 | unsigned int off = frag->fr_fix; | |
1876 | for (count = frag->fr_offset; count; count--) | |
1877 | { | |
1878 | if (fill_size + frag->fr_address + off <= s->s_size) | |
1879 | { | |
1880 | memcpy (buffer + frag->fr_address + off, | |
1881 | frag->fr_literal + frag->fr_fix, | |
1882 | fill_size); | |
1883 | off += fill_size; | |
1884 | offset += fill_size; | |
1885 | } | |
1886 | } | |
1887 | } | |
1888 | break; | |
1889 | case rs_broken_word: | |
1890 | break; | |
1891 | default: | |
1892 | abort (); | |
1893 | } | |
1894 | frag = frag->fr_next; | |
1895 | } | |
1896 | ||
1897 | if (s->s_size != 0) | |
1898 | { | |
1899 | if (s->s_scnptr != 0) | |
1900 | { | |
1901 | bfd_write (buffer, s->s_size, 1, abfd); | |
1902 | *file_cursor += s->s_size; | |
1903 | } | |
1904 | free (buffer); | |
1905 | } | |
1906 | paddr += s->s_size; | |
1907 | } | |
1908 | } | |
1909 | } | |
1910 | ||
1911 | /* Coff file generation & utilities */ | |
1912 | ||
1913 | static void | |
1914 | coff_header_append (abfd, h) | |
1915 | bfd * abfd; | |
1916 | object_headers * h; | |
1917 | { | |
1918 | unsigned int i; | |
1919 | char buffer[1000]; | |
1920 | char buffero[1000]; | |
b709b16f ILT |
1921 | #ifdef COFF_LONG_SECTION_NAMES |
1922 | unsigned long string_size = 4; | |
1923 | #endif | |
2283f8a0 KR |
1924 | |
1925 | bfd_seek (abfd, 0, 0); | |
1926 | ||
1927 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
1928 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
1929 | H_SET_VERSION_STAMP (h, 0); | |
1930 | H_SET_ENTRY_POINT (h, 0); | |
1931 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
1932 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
1933 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, | |
1934 | buffero)); | |
1935 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
1936 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
1937 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
1938 | ||
1939 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
1940 | ||
1941 | bfd_write (buffer, i, 1, abfd); | |
1942 | bfd_write (buffero, H_GET_SIZEOF_OPTIONAL_HEADER (h), 1, abfd); | |
1943 | ||
ff406bd3 | 1944 | for (i = SEG_E0; i < SEG_LAST; i++) |
2283f8a0 KR |
1945 | { |
1946 | if (segment_info[i].scnhdr.s_name[0]) | |
1947 | { | |
7681eb9d ILT |
1948 | unsigned int size; |
1949 | ||
1950 | #ifdef COFF_LONG_SECTION_NAMES | |
1951 | /* Support long section names as found in PE. This code | |
1952 | must coordinate with that in write_object_file and | |
1953 | w_strings. */ | |
1954 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
1955 | { | |
1956 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
ba97ba7e ILT |
1957 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); |
1958 | string_size += strlen (segment_info[i].name) + 1; | |
7681eb9d ILT |
1959 | } |
1960 | #endif | |
1961 | ||
1962 | size = bfd_coff_swap_scnhdr_out (abfd, | |
1963 | &(segment_info[i].scnhdr), | |
1964 | buffer); | |
5fc2a6ec | 1965 | if (size == 0) |
48401fcf | 1966 | as_bad (_("bfd_coff_swap_scnhdr_out failed")); |
2283f8a0 KR |
1967 | bfd_write (buffer, size, 1, abfd); |
1968 | } | |
1969 | } | |
1970 | } | |
1971 | ||
1972 | ||
1973 | char * | |
1974 | symbol_to_chars (abfd, where, symbolP) | |
1975 | bfd * abfd; | |
1976 | char *where; | |
1977 | symbolS * symbolP; | |
1978 | { | |
1979 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
1980 | unsigned int i; | |
1981 | valueT val; | |
1982 | ||
1983 | /* Turn any symbols with register attributes into abs symbols */ | |
1984 | if (S_GET_SEGMENT (symbolP) == reg_section) | |
1985 | { | |
1986 | S_SET_SEGMENT (symbolP, absolute_section); | |
1987 | } | |
1988 | /* At the same time, relocate all symbols to their output value */ | |
1989 | ||
b709b16f | 1990 | #ifndef TE_PE |
2283f8a0 KR |
1991 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr |
1992 | + S_GET_VALUE (symbolP)); | |
b709b16f ILT |
1993 | #else |
1994 | val = S_GET_VALUE (symbolP); | |
1995 | #endif | |
2283f8a0 KR |
1996 | |
1997 | S_SET_VALUE (symbolP, val); | |
1998 | ||
1999 | symbolP->sy_symbol.ost_entry.n_value = val; | |
2000 | ||
2001 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
2002 | where); | |
2003 | ||
2004 | for (i = 0; i < numaux; i++) | |
2005 | { | |
2006 | where += bfd_coff_swap_aux_out (abfd, | |
2007 | &symbolP->sy_symbol.ost_auxent[i], | |
2008 | S_GET_DATA_TYPE (symbolP), | |
2009 | S_GET_STORAGE_CLASS (symbolP), | |
2010 | i, numaux, where); | |
2011 | } | |
2012 | return where; | |
2013 | ||
2014 | } | |
2015 | ||
2016 | void | |
590c50d8 | 2017 | coff_obj_symbol_new_hook (symbolP) |
2283f8a0 KR |
2018 | symbolS *symbolP; |
2019 | { | |
2020 | char underscore = 0; /* Symbol has leading _ */ | |
2021 | ||
2022 | /* Effective symbol */ | |
2023 | /* Store the pointer in the offset. */ | |
2024 | S_SET_ZEROES (symbolP, 0L); | |
2025 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
2026 | S_SET_STORAGE_CLASS (symbolP, 0); | |
2027 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
2028 | /* Additional information */ | |
2029 | symbolP->sy_symbol.ost_flags = 0; | |
2030 | /* Auxiliary entries */ | |
2031 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); | |
2032 | ||
2033 | if (S_IS_STRING (symbolP)) | |
2034 | SF_SET_STRING (symbolP); | |
2035 | if (!underscore && S_IS_LOCAL (symbolP)) | |
2036 | SF_SET_LOCAL (symbolP); | |
2037 | } | |
2038 | ||
2039 | /* | |
2040 | * Handle .ln directives. | |
2041 | */ | |
2042 | ||
2043 | static void | |
2044 | obj_coff_ln (appline) | |
2045 | int appline; | |
2046 | { | |
2047 | int l; | |
2048 | ||
2049 | if (! appline && def_symbol_in_progress != NULL) | |
2050 | { | |
48401fcf | 2051 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
2283f8a0 KR |
2052 | demand_empty_rest_of_line (); |
2053 | return; | |
2054 | } /* wrong context */ | |
2055 | ||
4325bcb9 | 2056 | l = get_absolute_expression (); |
87e48495 | 2057 | c_line_new (0, frag_now_fix (), l, frag_now); |
64c5df8d ILT |
2058 | |
2059 | if (appline) | |
2060 | new_logical_line ((char *) NULL, l - 1); | |
2061 | ||
2283f8a0 KR |
2062 | #ifndef NO_LISTING |
2063 | { | |
2064 | extern int listing; | |
2065 | ||
2066 | if (listing) | |
2067 | { | |
2068 | if (! appline) | |
2069 | l += line_base - 1; | |
2070 | listing_source_line ((unsigned int) l); | |
2071 | } | |
2072 | ||
2073 | } | |
2074 | #endif | |
2075 | demand_empty_rest_of_line (); | |
2076 | } | |
2077 | ||
2078 | /* | |
2079 | * def() | |
2080 | * | |
2081 | * Handle .def directives. | |
2082 | * | |
2083 | * One might ask : why can't we symbol_new if the symbol does not | |
2084 | * already exist and fill it with debug information. Because of | |
2085 | * the C_EFCN special symbol. It would clobber the value of the | |
2086 | * function symbol before we have a chance to notice that it is | |
2087 | * a C_EFCN. And a second reason is that the code is more clear this | |
2088 | * way. (at least I think it is :-). | |
2089 | * | |
2090 | */ | |
2091 | ||
2092 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2093 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
2094 | *input_line_pointer == '\t') \ | |
2095 | input_line_pointer++; | |
2096 | ||
2097 | static void | |
2098 | obj_coff_def (what) | |
2099 | int what; | |
2100 | { | |
2101 | char name_end; /* Char after the end of name */ | |
2102 | char *symbol_name; /* Name of the debug symbol */ | |
2103 | char *symbol_name_copy; /* Temporary copy of the name */ | |
2104 | unsigned int symbol_name_length; | |
2105 | ||
2106 | if (def_symbol_in_progress != NULL) | |
2107 | { | |
48401fcf | 2108 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); |
2283f8a0 KR |
2109 | demand_empty_rest_of_line (); |
2110 | return; | |
2111 | } /* if not inside .def/.endef */ | |
2112 | ||
2113 | SKIP_WHITESPACES (); | |
2114 | ||
2115 | def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); | |
2116 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); | |
2117 | ||
2118 | symbol_name = input_line_pointer; | |
2119 | name_end = get_symbol_end (); | |
2120 | symbol_name_length = strlen (symbol_name); | |
2121 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2122 | strcpy (symbol_name_copy, symbol_name); | |
64c5df8d ILT |
2123 | #ifdef tc_canonicalize_symbol_name |
2124 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
2125 | #endif | |
2283f8a0 KR |
2126 | |
2127 | /* Initialize the new symbol */ | |
2128 | #ifdef STRIP_UNDERSCORE | |
2129 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2130 | ? symbol_name_copy + 1 | |
2131 | : symbol_name_copy)); | |
2132 | #else /* STRIP_UNDERSCORE */ | |
2133 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2134 | #endif /* STRIP_UNDERSCORE */ | |
2135 | /* free(symbol_name_copy); */ | |
2136 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2137 | def_symbol_in_progress->sy_number = ~0; | |
2138 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2139 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2140 | ||
2141 | if (S_IS_STRING (def_symbol_in_progress)) | |
2142 | SF_SET_STRING (def_symbol_in_progress); | |
2143 | ||
2144 | *input_line_pointer = name_end; | |
2145 | ||
2146 | demand_empty_rest_of_line (); | |
2147 | } | |
2148 | ||
2149 | unsigned int dim_index; | |
2150 | ||
2151 | ||
2152 | static void | |
2153 | obj_coff_endef (ignore) | |
2154 | int ignore; | |
2155 | { | |
2156 | symbolS *symbolP = 0; | |
2157 | /* DIM BUG FIX sac@cygnus.com */ | |
2158 | dim_index = 0; | |
2159 | if (def_symbol_in_progress == NULL) | |
2160 | { | |
48401fcf | 2161 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); |
2283f8a0 KR |
2162 | demand_empty_rest_of_line (); |
2163 | return; | |
2164 | } /* if not inside .def/.endef */ | |
2165 | ||
2166 | /* Set the section number according to storage class. */ | |
2167 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) | |
2168 | { | |
2169 | case C_STRTAG: | |
2170 | case C_ENTAG: | |
2171 | case C_UNTAG: | |
2172 | SF_SET_TAG (def_symbol_in_progress); | |
2173 | /* intentional fallthrough */ | |
2174 | case C_FILE: | |
2175 | case C_TPDEF: | |
2176 | SF_SET_DEBUG (def_symbol_in_progress); | |
2177 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2178 | break; | |
2179 | ||
2180 | case C_EFCN: | |
2181 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ | |
2182 | /* intentional fallthrough */ | |
2183 | case C_BLOCK: | |
2184 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
2185 | /* intentional fallthrough */ | |
2186 | case C_FCN: | |
2187 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2188 | ||
2189 | if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) | |
2190 | { /* .bf */ | |
2191 | if (function_lineoff < 0) | |
2192 | { | |
48401fcf | 2193 | fprintf (stderr, _("`.bf' symbol without preceding function\n")); |
2283f8a0 KR |
2194 | } /* missing function symbol */ |
2195 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; | |
2196 | ||
2197 | SF_SET_PROCESS (last_line_symbol); | |
ff406bd3 ILT |
2198 | SF_SET_ADJ_LNNOPTR (last_line_symbol); |
2199 | SF_SET_PROCESS (def_symbol_in_progress); | |
2283f8a0 KR |
2200 | function_lineoff = -1; |
2201 | } | |
2202 | /* Value is always set to . */ | |
2203 | def_symbol_in_progress->sy_frag = frag_now; | |
2204 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2205 | break; | |
2206 | ||
2207 | #ifdef C_AUTOARG | |
2208 | case C_AUTOARG: | |
2209 | #endif /* C_AUTOARG */ | |
2210 | case C_AUTO: | |
2211 | case C_REG: | |
2212 | case C_MOS: | |
2213 | case C_MOE: | |
2214 | case C_MOU: | |
2215 | case C_ARG: | |
2216 | case C_REGPARM: | |
2217 | case C_FIELD: | |
2218 | case C_EOS: | |
2219 | SF_SET_DEBUG (def_symbol_in_progress); | |
2220 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2221 | break; | |
2222 | ||
2223 | case C_EXT: | |
2224 | case C_STAT: | |
2225 | case C_LABEL: | |
2226 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
2227 | break; | |
2228 | ||
2229 | case C_USTATIC: | |
2230 | case C_EXTDEF: | |
2231 | case C_ULABEL: | |
48401fcf | 2232 | as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); |
2283f8a0 KR |
2233 | break; |
2234 | } /* switch on storage class */ | |
2235 | ||
2236 | /* Now that we have built a debug symbol, try to find if we should | |
2237 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2238 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2239 | don't merge labels, which are in a different namespace, nor | |
2240 | symbols which have not yet been defined since they are typically | |
2241 | unique, nor do we merge tags with non-tags. */ | |
2242 | ||
2243 | /* Two cases for functions. Either debug followed by definition or | |
2244 | definition followed by debug. For definition first, we will | |
2245 | merge the debug symbol into the definition. For debug first, the | |
2246 | lineno entry MUST point to the definition function or else it | |
2247 | will point off into space when crawl_symbols() merges the debug | |
2248 | symbol into the real symbol. Therefor, let's presume the debug | |
2249 | symbol is a real function reference. */ | |
2250 | ||
2251 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2252 | never seen, this will probably leave an undefined symbol at link | |
2253 | time. */ | |
2254 | ||
2255 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2256 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2257 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2258 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2259 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2260 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2261 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2262 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2263 | { | |
2264 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2265 | &symbol_lastP); | |
2266 | } | |
2267 | else | |
2268 | { | |
2269 | /* This symbol already exists, merge the newly created symbol | |
2270 | into the old one. This is not mandatory. The linker can | |
2271 | handle duplicate symbols correctly. But I guess that it save | |
2272 | a *lot* of space if the assembly file defines a lot of | |
2273 | symbols. [loic] */ | |
2274 | ||
2275 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2276 | previous definition. */ | |
2277 | ||
2278 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
2279 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ | |
2280 | def_symbol_in_progress = symbolP; | |
2281 | ||
2282 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
ab299844 ILT |
2283 | || SF_GET_TAG (def_symbol_in_progress) |
2284 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2283f8a0 | 2285 | { |
ab299844 ILT |
2286 | /* For functions, and tags, and static symbols, the symbol |
2287 | *must* be where the debug symbol appears. Move the | |
2288 | existing symbol to the current place. */ | |
2283f8a0 KR |
2289 | /* If it already is at the end of the symbol list, do nothing */ |
2290 | if (def_symbol_in_progress != symbol_lastP) | |
2291 | { | |
2292 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2293 | &symbol_lastP); | |
2294 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2295 | &symbol_rootP, &symbol_lastP); | |
2296 | } /* if not already in place */ | |
2297 | } /* if function */ | |
2298 | } /* normal or mergable */ | |
2299 | ||
e789e620 | 2300 | if (SF_GET_TAG (def_symbol_in_progress)) |
2283f8a0 | 2301 | { |
e789e620 ILT |
2302 | symbolS *oldtag; |
2303 | ||
2304 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
2305 | DO_NOT_STRIP); | |
2306 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
2307 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2308 | def_symbol_in_progress); | |
2283f8a0 KR |
2309 | } |
2310 | ||
2311 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2312 | { | |
2313 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2314 | function_lineoff | |
2315 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2316 | ||
2317 | SF_SET_PROCESS (def_symbol_in_progress); | |
2318 | ||
2319 | if (symbolP == NULL) | |
2320 | { | |
2321 | /* That is, if this is the first time we've seen the | |
2322 | function... */ | |
2323 | symbol_table_insert (def_symbol_in_progress); | |
2324 | } /* definition follows debug */ | |
2325 | } /* Create the line number entry pointing to the function being defined */ | |
2326 | ||
2327 | def_symbol_in_progress = NULL; | |
2328 | demand_empty_rest_of_line (); | |
2329 | } | |
2330 | ||
2331 | static void | |
2332 | obj_coff_dim (ignore) | |
2333 | int ignore; | |
2334 | { | |
2335 | int dim_index; | |
2336 | ||
2337 | if (def_symbol_in_progress == NULL) | |
2338 | { | |
48401fcf | 2339 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); |
2283f8a0 KR |
2340 | demand_empty_rest_of_line (); |
2341 | return; | |
2342 | } /* if not inside .def/.endef */ | |
2343 | ||
2344 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2345 | ||
2346 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2347 | { | |
2348 | SKIP_WHITESPACES (); | |
2349 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2350 | get_absolute_expression ()); | |
2351 | ||
2352 | switch (*input_line_pointer) | |
2353 | { | |
2354 | case ',': | |
2355 | input_line_pointer++; | |
2356 | break; | |
2357 | ||
2358 | default: | |
48401fcf | 2359 | as_warn (_("badly formed .dim directive ignored")); |
2283f8a0 KR |
2360 | /* intentional fallthrough */ |
2361 | case '\n': | |
2362 | case ';': | |
2363 | dim_index = DIMNUM; | |
2364 | break; | |
2365 | } | |
2366 | } | |
2367 | ||
2368 | demand_empty_rest_of_line (); | |
2369 | } | |
2370 | ||
2371 | static void | |
2372 | obj_coff_line (ignore) | |
2373 | int ignore; | |
2374 | { | |
2375 | int this_base; | |
4325bcb9 | 2376 | const char *name; |
2283f8a0 KR |
2377 | |
2378 | if (def_symbol_in_progress == NULL) | |
2379 | { | |
2380 | obj_coff_ln (0); | |
2381 | return; | |
2382 | } | |
2383 | ||
4325bcb9 | 2384 | name = S_GET_NAME (def_symbol_in_progress); |
2283f8a0 | 2385 | this_base = get_absolute_expression (); |
4325bcb9 KR |
2386 | |
2387 | /* Only .bf symbols indicate the use of a new base line number; the | |
2388 | line numbers associated with .ef, .bb, .eb are relative to the | |
2389 | start of the containing function. */ | |
2390 | if (!strcmp (".bf", name)) | |
2283f8a0 | 2391 | { |
4325bcb9 KR |
2392 | #if 0 /* XXX Can we ever have line numbers going backwards? */ |
2393 | if (this_base > line_base) | |
2394 | #endif | |
2395 | { | |
2396 | line_base = this_base; | |
2397 | } | |
2283f8a0 KR |
2398 | |
2399 | #ifndef NO_LISTING | |
2283f8a0 | 2400 | { |
4325bcb9 | 2401 | extern int listing; |
3f8416d5 | 2402 | if (listing) |
4325bcb9 KR |
2403 | { |
2404 | listing_source_line ((unsigned int) line_base); | |
2405 | } | |
2283f8a0 | 2406 | } |
2283f8a0 | 2407 | #endif |
4325bcb9 KR |
2408 | } |
2409 | ||
2283f8a0 KR |
2410 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); |
2411 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2412 | ||
2413 | demand_empty_rest_of_line (); | |
2414 | } | |
2415 | ||
2416 | static void | |
2417 | obj_coff_size (ignore) | |
2418 | int ignore; | |
2419 | { | |
2420 | if (def_symbol_in_progress == NULL) | |
2421 | { | |
48401fcf | 2422 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); |
2283f8a0 KR |
2423 | demand_empty_rest_of_line (); |
2424 | return; | |
2425 | } /* if not inside .def/.endef */ | |
2426 | ||
2427 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2428 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2429 | demand_empty_rest_of_line (); | |
2430 | } | |
2431 | ||
2432 | static void | |
2433 | obj_coff_scl (ignore) | |
2434 | int ignore; | |
2435 | { | |
2436 | if (def_symbol_in_progress == NULL) | |
2437 | { | |
48401fcf | 2438 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); |
2283f8a0 KR |
2439 | demand_empty_rest_of_line (); |
2440 | return; | |
2441 | } /* if not inside .def/.endef */ | |
2442 | ||
2443 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2444 | demand_empty_rest_of_line (); | |
2445 | } | |
2446 | ||
2447 | static void | |
2448 | obj_coff_tag (ignore) | |
2449 | int ignore; | |
2450 | { | |
2451 | char *symbol_name; | |
2452 | char name_end; | |
2453 | ||
2454 | if (def_symbol_in_progress == NULL) | |
2455 | { | |
48401fcf | 2456 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); |
2283f8a0 KR |
2457 | demand_empty_rest_of_line (); |
2458 | return; | |
2459 | } | |
2460 | ||
2461 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2462 | symbol_name = input_line_pointer; | |
2463 | name_end = get_symbol_end (); | |
64c5df8d ILT |
2464 | #ifdef tc_canonicalize_symbol_name |
2465 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2466 | #endif | |
2283f8a0 KR |
2467 | |
2468 | /* Assume that the symbol referred to by .tag is always defined. | |
2469 | This was a bad assumption. I've added find_or_make. xoxorich. */ | |
2470 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, | |
2471 | (long) tag_find_or_make (symbol_name)); | |
2472 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
2473 | { | |
48401fcf | 2474 | as_warn (_("tag not found for .tag %s"), symbol_name); |
2283f8a0 KR |
2475 | } /* not defined */ |
2476 | ||
2477 | SF_SET_TAGGED (def_symbol_in_progress); | |
2478 | *input_line_pointer = name_end; | |
2479 | ||
2480 | demand_empty_rest_of_line (); | |
2481 | } | |
2482 | ||
2483 | static void | |
2484 | obj_coff_type (ignore) | |
2485 | int ignore; | |
2486 | { | |
2487 | if (def_symbol_in_progress == NULL) | |
2488 | { | |
48401fcf | 2489 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); |
2283f8a0 KR |
2490 | demand_empty_rest_of_line (); |
2491 | return; | |
2492 | } /* if not inside .def/.endef */ | |
2493 | ||
2494 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2495 | ||
2496 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2497 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
2498 | { | |
2499 | SF_SET_FUNCTION (def_symbol_in_progress); | |
2500 | } /* is a function */ | |
2501 | ||
2502 | demand_empty_rest_of_line (); | |
2503 | } | |
2504 | ||
2505 | static void | |
2506 | obj_coff_val (ignore) | |
2507 | int ignore; | |
2508 | { | |
2509 | if (def_symbol_in_progress == NULL) | |
2510 | { | |
48401fcf | 2511 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); |
2283f8a0 KR |
2512 | demand_empty_rest_of_line (); |
2513 | return; | |
2514 | } /* if not inside .def/.endef */ | |
2515 | ||
2516 | if (is_name_beginner (*input_line_pointer)) | |
2517 | { | |
2518 | char *symbol_name = input_line_pointer; | |
2519 | char name_end = get_symbol_end (); | |
2520 | ||
64c5df8d ILT |
2521 | #ifdef tc_canonicalize_symbol_name |
2522 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2523 | #endif | |
2524 | ||
2283f8a0 KR |
2525 | if (!strcmp (symbol_name, ".")) |
2526 | { | |
2527 | def_symbol_in_progress->sy_frag = frag_now; | |
2528 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2529 | /* If the .val is != from the .def (e.g. statics) */ | |
2530 | } | |
2531 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
2532 | { | |
2533 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2534 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2535 | symbol_find_or_make (symbol_name); | |
2536 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2537 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2538 | ||
2539 | /* If the segment is undefined when the forward reference is | |
2540 | resolved, then copy the segment id from the forward | |
2541 | symbol. */ | |
2542 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2543 | ||
2544 | /* FIXME: gcc can generate address expressions | |
2545 | here in unusual cases (search for "obscure" | |
2546 | in sdbout.c). We just ignore the offset | |
2547 | here, thus generating incorrect debugging | |
2548 | information. We ignore the rest of the | |
2549 | line just below. */ | |
2550 | } | |
2551 | /* Otherwise, it is the name of a non debug symbol and | |
2552 | its value will be calculated later. */ | |
2553 | *input_line_pointer = name_end; | |
2554 | ||
2555 | /* FIXME: this is to avoid an error message in the | |
2556 | FIXME case mentioned just above. */ | |
2557 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2558 | ++input_line_pointer; | |
2559 | } | |
2560 | else | |
2561 | { | |
2562 | S_SET_VALUE (def_symbol_in_progress, | |
2563 | (valueT) get_absolute_expression ()); | |
2564 | } /* if symbol based */ | |
2565 | ||
2566 | demand_empty_rest_of_line (); | |
2567 | } | |
2568 | ||
ff406bd3 ILT |
2569 | #ifdef TE_PE |
2570 | ||
2571 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
2572 | read.c, which then calls this object file format specific routine. */ | |
2573 | ||
2574 | void | |
2575 | obj_coff_pe_handle_link_once (type) | |
2576 | enum linkonce_type type; | |
2577 | { | |
2578 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
2579 | ||
2580 | /* We store the type in the seg_info structure, and use it to set up | |
2581 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
2582 | seg_info (now_seg)->linkonce = type; | |
2583 | } | |
2584 | ||
2585 | #endif /* TE_PE */ | |
2586 | ||
2283f8a0 | 2587 | void |
590c50d8 | 2588 | coff_obj_read_begin_hook () |
2283f8a0 KR |
2589 | { |
2590 | /* These had better be the same. Usually 18 bytes. */ | |
2591 | #ifndef BFD_HEADERS | |
2592 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2593 | know (SYMESZ == AUXESZ); | |
2594 | #endif | |
2595 | tag_init (); | |
2596 | } | |
2597 | ||
2598 | /* This function runs through the symbol table and puts all the | |
2599 | externals onto another chain */ | |
2600 | ||
a91c6b08 ILT |
2601 | /* The chain of globals. */ |
2602 | symbolS *symbol_globalP; | |
2603 | symbolS *symbol_global_lastP; | |
2604 | ||
2283f8a0 | 2605 | /* The chain of externals */ |
eb4fd16f ILT |
2606 | symbolS *symbol_externP; |
2607 | symbolS *symbol_extern_lastP; | |
2283f8a0 KR |
2608 | |
2609 | stack *block_stack; | |
eb4fd16f | 2610 | symbolS *last_functionP; |
ff406bd3 | 2611 | static symbolS *last_bfP; |
2283f8a0 KR |
2612 | symbolS *last_tagP; |
2613 | ||
2614 | static unsigned int | |
2615 | yank_symbols () | |
2616 | { | |
2617 | symbolS *symbolP; | |
2618 | unsigned int symbol_number = 0; | |
2619 | unsigned int last_file_symno = 0; | |
2620 | ||
e5c5ce23 SC |
2621 | struct filename_list *filename_list_scan = filename_list_head; |
2622 | ||
2283f8a0 KR |
2623 | for (symbolP = symbol_rootP; |
2624 | symbolP; | |
2625 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2626 | { | |
1356d77d ILT |
2627 | if (symbolP->sy_mri_common) |
2628 | { | |
2629 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
48401fcf | 2630 | as_bad (_("%s: global symbols not supported in common sections"), |
1356d77d ILT |
2631 | S_GET_NAME (symbolP)); |
2632 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2633 | continue; | |
2634 | } | |
2635 | ||
2283f8a0 KR |
2636 | if (!SF_GET_DEBUG (symbolP)) |
2637 | { | |
2638 | /* Debug symbols do not need all this rubbish */ | |
2639 | symbolS *real_symbolP; | |
2640 | ||
2641 | /* L* and C_EFCN symbols never merge. */ | |
2642 | if (!SF_GET_LOCAL (symbolP) | |
d4d7d98c | 2643 | && !SF_GET_STATICS (symbolP) |
2283f8a0 KR |
2644 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL |
2645 | && symbolP->sy_value.X_op == O_constant | |
2646 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
2647 | && real_symbolP != symbolP) | |
2648 | { | |
2649 | /* FIXME-SOON: where do dups come from? | |
2650 | Maybe tag references before definitions? xoxorich. */ | |
2651 | /* Move the debug data from the debug symbol to the | |
2652 | real symbol. Do NOT do the oposite (i.e. move from | |
2653 | real symbol to debug symbol and remove real symbol from the | |
2654 | list.) Because some pointers refer to the real symbol | |
2655 | whereas no pointers refer to the debug symbol. */ | |
2656 | c_symbol_merge (symbolP, real_symbolP); | |
2657 | /* Replace the current symbol by the real one */ | |
2658 | /* The symbols will never be the last or the first | |
2659 | because : 1st symbol is .file and 3 last symbols are | |
2660 | .text, .data, .bss */ | |
2661 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); | |
2662 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
2663 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2664 | symbolP = real_symbolP; | |
2665 | } /* if not local but dup'd */ | |
2666 | ||
def66e24 | 2667 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) |
2283f8a0 KR |
2668 | { |
2669 | S_SET_SEGMENT (symbolP, SEG_E0); | |
2670 | } /* push data into text */ | |
2671 | ||
48401fcf | 2672 | resolve_symbol_value (symbolP, 1); |
2283f8a0 KR |
2673 | |
2674 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
2675 | { | |
2676 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
2677 | { | |
2678 | S_SET_EXTERNAL (symbolP); | |
2679 | } | |
2680 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) | |
2681 | { | |
2682 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); | |
2683 | } | |
2684 | else | |
2685 | { | |
2686 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
2687 | } | |
2688 | } | |
2689 | ||
2690 | /* Mainly to speed up if not -g */ | |
2691 | if (SF_GET_PROCESS (symbolP)) | |
2692 | { | |
2693 | /* Handle the nested blocks auxiliary info. */ | |
2694 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) | |
2695 | { | |
2696 | if (!strcmp (S_GET_NAME (symbolP), ".bb")) | |
2697 | stack_push (block_stack, (char *) &symbolP); | |
2698 | else | |
2699 | { /* .eb */ | |
2700 | register symbolS *begin_symbolP; | |
2701 | begin_symbolP = *(symbolS **) stack_pop (block_stack); | |
2702 | if (begin_symbolP == (symbolS *) 0) | |
48401fcf | 2703 | as_warn (_("mismatched .eb")); |
2283f8a0 KR |
2704 | else |
2705 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
2706 | } | |
2707 | } | |
2708 | /* If we are able to identify the type of a function, and we | |
2709 | are out of a function (last_functionP == 0) then, the | |
2710 | function symbol will be associated with an auxiliary | |
2711 | entry. */ | |
2712 | if (last_functionP == (symbolS *) 0 && | |
2713 | SF_GET_FUNCTION (symbolP)) | |
2714 | { | |
2715 | last_functionP = symbolP; | |
2716 | ||
2717 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
2718 | { | |
2719 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
2720 | } /* make it at least 1 */ | |
2721 | ||
2722 | /* Clobber possible stale .dim information. */ | |
2723 | #if 0 | |
2724 | /* Iffed out by steve - this fries the lnnoptr info too */ | |
2725 | bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen, | |
2726 | sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen)); | |
2727 | #endif | |
2728 | } | |
ff406bd3 ILT |
2729 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) |
2730 | { | |
2731 | if (strcmp (S_GET_NAME (symbolP), ".bf") == 0) | |
2732 | { | |
2733 | if (last_bfP != NULL) | |
2734 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
2735 | last_bfP = symbolP; | |
2736 | } | |
2737 | } | |
2738 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
2283f8a0 | 2739 | { |
ff406bd3 ILT |
2740 | /* I don't even know if this is needed for sdb. But |
2741 | the standard assembler generates it, so... */ | |
2283f8a0 | 2742 | if (last_functionP == (symbolS *) 0) |
48401fcf | 2743 | as_fatal (_("C_EFCN symbol out of scope")); |
2283f8a0 KR |
2744 | SA_SET_SYM_FSIZE (last_functionP, |
2745 | (long) (S_GET_VALUE (symbolP) - | |
2746 | S_GET_VALUE (last_functionP))); | |
2747 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
2748 | last_functionP = (symbolS *) 0; | |
2749 | } | |
2750 | } | |
2751 | } | |
2752 | else if (SF_GET_TAG (symbolP)) | |
2753 | { | |
2754 | /* First descriptor of a structure must point to | |
2755 | the first slot after the structure description. */ | |
2756 | last_tagP = symbolP; | |
2757 | ||
2758 | } | |
2759 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) | |
2760 | { | |
2761 | /* +2 take in account the current symbol */ | |
2762 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); | |
2763 | } | |
2764 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) | |
2765 | { | |
e5c5ce23 SC |
2766 | /* If the filename was too long to fit in the |
2767 | auxent, put it in the string table */ | |
6648d3ae ILT |
2768 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
2769 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
e5c5ce23 SC |
2770 | { |
2771 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
2772 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
2773 | filename_list_scan = filename_list_scan->next; | |
2774 | } | |
2283f8a0 KR |
2775 | if (S_GET_VALUE (symbolP)) |
2776 | { | |
2777 | S_SET_VALUE (symbolP, last_file_symno); | |
2778 | last_file_symno = symbol_number; | |
2779 | } /* no one points at the first .file symbol */ | |
2780 | } /* if debug or tag or eos or file */ | |
2781 | ||
9f94df38 ILT |
2782 | #ifdef tc_frob_coff_symbol |
2783 | tc_frob_coff_symbol (symbolP); | |
2784 | #endif | |
2785 | ||
2283f8a0 KR |
2786 | /* We must put the external symbols apart. The loader |
2787 | does not bomb if we do not. But the references in | |
2788 | the endndx field for a .bb symbol are not corrected | |
2789 | if an external symbol is removed between .bb and .be. | |
2790 | I.e in the following case : | |
2791 | [20] .bb endndx = 22 | |
2792 | [21] foo external | |
2793 | [22] .be | |
2794 | ld will move the symbol 21 to the end of the list but | |
2795 | endndx will still be 22 instead of 21. */ | |
2796 | ||
2797 | ||
2798 | if (SF_GET_LOCAL (symbolP)) | |
2799 | { | |
2800 | /* remove C_EFCN and LOCAL (L...) symbols */ | |
2801 | /* next pointer remains valid */ | |
2802 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2803 | ||
2804 | } | |
71dd3c40 ILT |
2805 | else if (symbolP->sy_value.X_op == O_symbol |
2806 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
2807 | { | |
2808 | /* Skip symbols which were equated to undefined or common | |
2809 | symbols. */ | |
2810 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2811 | } | |
2283f8a0 KR |
2812 | else if (!S_IS_DEFINED (symbolP) |
2813 | && !S_IS_DEBUG (symbolP) | |
2814 | && !SF_GET_STATICS (symbolP) && | |
2815 | S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2816 | { /* C_EXT && !SF_GET_FUNCTION(symbolP)) */ | |
2817 | /* if external, Remove from the list */ | |
2818 | symbolS *hold = symbol_previous (symbolP); | |
2819 | ||
2820 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2821 | symbol_clear_list_pointers (symbolP); | |
2822 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
2823 | symbolP = hold; | |
2824 | } | |
a91c6b08 ILT |
2825 | else if (! S_IS_DEBUG (symbolP) |
2826 | && ! SF_GET_STATICS (symbolP) | |
2827 | && ! SF_GET_FUNCTION (symbolP) | |
2828 | && S_GET_STORAGE_CLASS (symbolP) == C_EXT) | |
2829 | { | |
2830 | symbolS *hold = symbol_previous (symbolP); | |
2831 | ||
2832 | /* The O'Reilly COFF book says that defined global symbols | |
2833 | come at the end of the symbol table, just before | |
2834 | undefined global symbols. */ | |
2835 | ||
2836 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2837 | symbol_clear_list_pointers (symbolP); | |
2838 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
2839 | &symbol_global_lastP); | |
2840 | symbolP = hold; | |
2841 | } | |
2283f8a0 KR |
2842 | else |
2843 | { | |
2844 | if (SF_GET_STRING (symbolP)) | |
2845 | { | |
2846 | symbolP->sy_name_offset = string_byte_count; | |
2847 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
2848 | } | |
2849 | else | |
2850 | { | |
2851 | symbolP->sy_name_offset = 0; | |
2852 | } /* fix "long" names */ | |
2853 | ||
2854 | symbolP->sy_number = symbol_number; | |
2855 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
2856 | } /* if local symbol */ | |
2857 | } /* traverse the symbol list */ | |
2858 | return symbol_number; | |
2859 | ||
2860 | } | |
2861 | ||
2862 | ||
2863 | static unsigned int | |
a91c6b08 ILT |
2864 | glue_symbols (head, tail) |
2865 | symbolS **head; | |
2866 | symbolS **tail; | |
2283f8a0 KR |
2867 | { |
2868 | unsigned int symbol_number = 0; | |
a91c6b08 | 2869 | |
9afc6631 | 2870 | while (*head != NULL) |
2283f8a0 | 2871 | { |
a91c6b08 | 2872 | symbolS *tmp = *head; |
2283f8a0 KR |
2873 | |
2874 | /* append */ | |
a91c6b08 | 2875 | symbol_remove (tmp, head, tail); |
2283f8a0 KR |
2876 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); |
2877 | ||
2878 | /* and process */ | |
2879 | if (SF_GET_STRING (tmp)) | |
2880 | { | |
2881 | tmp->sy_name_offset = string_byte_count; | |
2882 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
2883 | } | |
2884 | else | |
2885 | { | |
2886 | tmp->sy_name_offset = 0; | |
2887 | } /* fix "long" names */ | |
2888 | ||
2889 | tmp->sy_number = symbol_number; | |
2890 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
2891 | } /* append the entire extern chain */ | |
2283f8a0 | 2892 | |
a91c6b08 | 2893 | return symbol_number; |
2283f8a0 KR |
2894 | } |
2895 | ||
2896 | static unsigned int | |
2897 | tie_tags () | |
2898 | { | |
2899 | unsigned int symbol_number = 0; | |
2283f8a0 | 2900 | symbolS *symbolP; |
9afc6631 ILT |
2901 | |
2902 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
2283f8a0 KR |
2903 | { |
2904 | symbolP->sy_number = symbol_number; | |
2905 | ||
2283f8a0 KR |
2906 | if (SF_GET_TAGGED (symbolP)) |
2907 | { | |
2908 | SA_SET_SYM_TAGNDX | |
2909 | (symbolP, | |
2910 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
2911 | } | |
2912 | ||
2913 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
2914 | } | |
2283f8a0 | 2915 | |
9afc6631 | 2916 | return symbol_number; |
2283f8a0 KR |
2917 | } |
2918 | ||
2919 | static void | |
2920 | crawl_symbols (h, abfd) | |
2921 | object_headers *h; | |
2922 | bfd * abfd; | |
2923 | { | |
2924 | unsigned int i; | |
2925 | ||
2926 | /* Initialize the stack used to keep track of the matching .bb .be */ | |
2927 | ||
2928 | block_stack = stack_init (512, sizeof (symbolS *)); | |
2929 | ||
2930 | /* The symbol list should be ordered according to the following sequence | |
2931 | * order : | |
2932 | * . .file symbol | |
2933 | * . debug entries for functions | |
590c50d8 | 2934 | * . fake symbols for the sections, including .text .data and .bss |
2283f8a0 KR |
2935 | * . defined symbols |
2936 | * . undefined symbols | |
2937 | * But this is not mandatory. The only important point is to put the | |
2938 | * undefined symbols at the end of the list. | |
2939 | */ | |
2940 | ||
9afc6631 | 2941 | /* Is there a .file symbol ? If not insert one at the beginning. */ |
2283f8a0 KR |
2942 | if (symbol_rootP == NULL |
2943 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
2944 | { | |
2945 | c_dot_file_symbol ("fake"); | |
2946 | } | |
2283f8a0 KR |
2947 | |
2948 | /* | |
2949 | * Build up static symbols for the sections, they are filled in later | |
2950 | */ | |
2951 | ||
2952 | ||
ff406bd3 | 2953 | for (i = SEG_E0; i < SEG_LAST; i++) |
7681eb9d ILT |
2954 | if (segment_info[i].scnhdr.s_name[0]) |
2955 | segment_info[i].dot = c_section_symbol (segment_info[i].name, | |
2956 | i - SEG_E0 + 1); | |
2283f8a0 KR |
2957 | |
2958 | /* Take all the externals out and put them into another chain */ | |
2959 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); | |
2960 | /* Take the externals and glue them onto the end.*/ | |
a91c6b08 ILT |
2961 | H_SET_SYMBOL_TABLE_SIZE (h, |
2962 | (H_GET_SYMBOL_COUNT (h) | |
2963 | + glue_symbols (&symbol_globalP, | |
2964 | &symbol_global_lastP) | |
2965 | + glue_symbols (&symbol_externP, | |
2966 | &symbol_extern_lastP))); | |
2283f8a0 KR |
2967 | |
2968 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
a91c6b08 ILT |
2969 | know (symbol_globalP == NULL); |
2970 | know (symbol_global_lastP == NULL); | |
2283f8a0 KR |
2971 | know (symbol_externP == NULL); |
2972 | know (symbol_extern_lastP == NULL); | |
2973 | } | |
2974 | ||
2975 | /* | |
2976 | * Find strings by crawling along symbol table chain. | |
2977 | */ | |
2978 | ||
2979 | void | |
2980 | w_strings (where) | |
2981 | char *where; | |
2982 | { | |
2983 | symbolS *symbolP; | |
e5c5ce23 | 2984 | struct filename_list *filename_list_scan = filename_list_head; |
2283f8a0 KR |
2985 | |
2986 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */ | |
2987 | md_number_to_chars (where, (valueT) string_byte_count, 4); | |
2988 | where += 4; | |
7681eb9d ILT |
2989 | |
2990 | #ifdef COFF_LONG_SECTION_NAMES | |
2991 | /* Support long section names as found in PE. This code must | |
2992 | coordinate with that in coff_header_append and write_object_file. */ | |
6648d3ae ILT |
2993 | { |
2994 | unsigned int i; | |
7681eb9d | 2995 | |
6648d3ae ILT |
2996 | for (i = SEG_E0; i < SEG_LAST; i++) |
2997 | { | |
2998 | if (segment_info[i].scnhdr.s_name[0] | |
2999 | && strlen (segment_info[i].name) > SCNNMLEN) | |
3000 | { | |
3001 | unsigned int size; | |
3002 | ||
3003 | size = strlen (segment_info[i].name) + 1; | |
3004 | memcpy (where, segment_info[i].name, size); | |
3005 | where += size; | |
3006 | } | |
3007 | } | |
3008 | } | |
7681eb9d ILT |
3009 | #endif /* COFF_LONG_SECTION_NAMES */ |
3010 | ||
2283f8a0 KR |
3011 | for (symbolP = symbol_rootP; |
3012 | symbolP; | |
3013 | symbolP = symbol_next (symbolP)) | |
3014 | { | |
3015 | unsigned int size; | |
3016 | ||
3017 | if (SF_GET_STRING (symbolP)) | |
3018 | { | |
3019 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
2283f8a0 KR |
3020 | memcpy (where, S_GET_NAME (symbolP), size); |
3021 | where += size; | |
e5c5ce23 SC |
3022 | } |
3023 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
6648d3ae ILT |
3024 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
3025 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
e5c5ce23 SC |
3026 | { |
3027 | size = strlen (filename_list_scan->filename) + 1; | |
3028 | memcpy (where, filename_list_scan->filename, size); | |
3029 | filename_list_scan = filename_list_scan ->next; | |
3030 | where += size; | |
2283f8a0 KR |
3031 | } |
3032 | } | |
3033 | } | |
3034 | ||
3035 | static void | |
3036 | do_linenos_for (abfd, h, file_cursor) | |
3037 | bfd * abfd; | |
3038 | object_headers * h; | |
3039 | unsigned long *file_cursor; | |
3040 | { | |
3041 | unsigned int idx; | |
3042 | unsigned long start = *file_cursor; | |
3043 | ||
ff406bd3 | 3044 | for (idx = SEG_E0; idx < SEG_LAST; idx++) |
2283f8a0 KR |
3045 | { |
3046 | segment_info_type *s = segment_info + idx; | |
3047 | ||
3048 | ||
3049 | if (s->scnhdr.s_nlnno != 0) | |
3050 | { | |
3051 | struct lineno_list *line_ptr; | |
3052 | ||
3053 | struct external_lineno *buffer = | |
3054 | (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); | |
3055 | ||
3056 | struct external_lineno *dst = buffer; | |
3057 | ||
3058 | /* Run through the table we've built and turn it into its external | |
3059 | form, take this chance to remove duplicates */ | |
3060 | ||
3061 | for (line_ptr = s->lineno_list_head; | |
3062 | line_ptr != (struct lineno_list *) NULL; | |
3063 | line_ptr = line_ptr->next) | |
3064 | { | |
3065 | ||
3066 | if (line_ptr->line.l_lnno == 0) | |
3067 | { | |
3068 | /* Turn a pointer to a symbol into the symbols' index */ | |
3069 | line_ptr->line.l_addr.l_symndx = | |
3070 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
3071 | } | |
3072 | else | |
3073 | { | |
3074 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; | |
3075 | } | |
3076 | ||
3077 | ||
3078 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); | |
3079 | dst++; | |
3080 | ||
3081 | } | |
3082 | ||
3083 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3084 | ||
3085 | bfd_write (buffer, 1, s->scnhdr.s_nlnno * LINESZ, abfd); | |
3086 | free (buffer); | |
3087 | ||
3088 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3089 | } | |
3090 | } | |
3091 | H_SET_LINENO_SIZE (h, *file_cursor - start); | |
3092 | } | |
3093 | ||
3094 | ||
3095 | /* Now we run through the list of frag chains in a segment and | |
3096 | make all the subsegment frags appear at the end of the | |
3097 | list, as if the seg 0 was extra long */ | |
3098 | ||
3099 | static void | |
3100 | remove_subsegs () | |
3101 | { | |
3102 | unsigned int i; | |
3103 | ||
3104 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3105 | { | |
3106 | frchainS *head = segment_info[i].frchainP; | |
3107 | fragS dummy; | |
3108 | fragS *prev_frag = &dummy; | |
3109 | ||
3110 | while (head && head->frch_seg == i) | |
3111 | { | |
3112 | prev_frag->fr_next = head->frch_root; | |
3113 | prev_frag = head->frch_last; | |
3114 | head = head->frch_next; | |
3115 | } | |
3116 | prev_frag->fr_next = 0; | |
3117 | } | |
3118 | } | |
3119 | ||
3120 | unsigned long machine; | |
3121 | int coff_flags; | |
3122 | extern void | |
3123 | write_object_file () | |
3124 | { | |
3125 | int i; | |
ba97ba7e | 3126 | const char *name; |
2283f8a0 KR |
3127 | struct frchain *frchain_ptr; |
3128 | ||
3129 | object_headers headers; | |
3130 | unsigned long file_cursor; | |
3131 | bfd *abfd; | |
3132 | unsigned int addr; | |
3133 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
3134 | ||
3135 | ||
3136 | if (abfd == 0) | |
3137 | { | |
48401fcf | 3138 | as_perror (_("FATAL: Can't create %s"), out_file_name); |
460531da | 3139 | exit (EXIT_FAILURE); |
2283f8a0 KR |
3140 | } |
3141 | bfd_set_format (abfd, bfd_object); | |
3142 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
3143 | ||
3144 | string_byte_count = 4; | |
3145 | ||
3146 | for (frchain_ptr = frchain_root; | |
3147 | frchain_ptr != (struct frchain *) NULL; | |
3148 | frchain_ptr = frchain_ptr->frch_next) | |
3149 | { | |
eb4fd16f ILT |
3150 | /* Run through all the sub-segments and align them up. Also |
3151 | close any open frags. We tack a .fill onto the end of the | |
3152 | frag chain so that any .align's size can be worked by looking | |
3153 | at the next frag. */ | |
2283f8a0 KR |
3154 | |
3155 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); | |
3156 | #ifndef SUB_SEGMENT_ALIGN | |
3157 | #define SUB_SEGMENT_ALIGN(SEG) 1 | |
0fa6f8f6 ILT |
3158 | #endif |
3159 | #ifdef md_do_align | |
b709b16f ILT |
3160 | md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0, |
3161 | alignment_done); | |
2283f8a0 | 3162 | #endif |
d7bf6158 | 3163 | frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE, 0); |
0fa6f8f6 ILT |
3164 | #ifdef md_do_align |
3165 | alignment_done: | |
3166 | #endif | |
2283f8a0 KR |
3167 | frag_wane (frag_now); |
3168 | frag_now->fr_fix = 0; | |
3169 | know (frag_now->fr_next == NULL); | |
3170 | } | |
3171 | ||
3172 | ||
3173 | remove_subsegs (); | |
3174 | ||
3175 | ||
3176 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3177 | { | |
3178 | relax_segment (segment_info[i].frchainP->frch_root, i); | |
3179 | } | |
3180 | ||
3181 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); | |
3182 | ||
3183 | /* Find out how big the sections are, and set the addresses. */ | |
3184 | addr = 0; | |
3185 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3186 | { | |
3187 | long size; | |
3188 | ||
3189 | segment_info[i].scnhdr.s_paddr = addr; | |
3190 | segment_info[i].scnhdr.s_vaddr = addr; | |
3191 | ||
3192 | if (segment_info[i].scnhdr.s_name[0]) | |
3193 | { | |
3194 | H_SET_NUMBER_OF_SECTIONS (&headers, | |
3195 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
7681eb9d ILT |
3196 | |
3197 | #ifdef COFF_LONG_SECTION_NAMES | |
3198 | /* Support long section names as found in PE. This code | |
3199 | must coordinate with that in coff_header_append and | |
3200 | w_strings. */ | |
3201 | { | |
3202 | unsigned int len; | |
3203 | ||
3204 | len = strlen (segment_info[i].name); | |
3205 | if (len > SCNNMLEN) | |
3206 | string_byte_count += len + 1; | |
3207 | } | |
3208 | #endif /* COFF_LONG_SECTION_NAMES */ | |
2283f8a0 KR |
3209 | } |
3210 | ||
3211 | size = size_section (abfd, (unsigned int) i); | |
3212 | addr += size; | |
3213 | ||
eb4fd16f ILT |
3214 | /* I think the section alignment is only used on the i960; the |
3215 | i960 needs it, and it should do no harm on other targets. */ | |
48401fcf TT |
3216 | #ifdef ALIGNMENT_IN_S_FLAGS |
3217 | segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8; | |
3218 | #else | |
66b935da | 3219 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; |
48401fcf | 3220 | #endif |
eb4fd16f | 3221 | |
2283f8a0 KR |
3222 | if (i == SEG_E0) |
3223 | H_SET_TEXT_SIZE (&headers, size); | |
3224 | else if (i == SEG_E1) | |
3225 | H_SET_DATA_SIZE (&headers, size); | |
3226 | else if (i == SEG_E2) | |
3227 | H_SET_BSS_SIZE (&headers, size); | |
3228 | } | |
3229 | ||
3230 | /* Turn the gas native symbol table shape into a coff symbol table */ | |
3231 | crawl_symbols (&headers, abfd); | |
3232 | ||
3233 | if (string_byte_count == 4) | |
3234 | string_byte_count = 0; | |
3235 | ||
3236 | H_SET_STRING_SIZE (&headers, string_byte_count); | |
3237 | ||
a91c6b08 ILT |
3238 | #ifdef tc_frob_file |
3239 | tc_frob_file (); | |
3240 | #endif | |
3241 | ||
2283f8a0 KR |
3242 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
3243 | { | |
3244 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); | |
3245 | fixup_segment (&segment_info[i], i); | |
3246 | } | |
2283f8a0 KR |
3247 | |
3248 | /* Look for ".stab" segments and fill in their initial symbols | |
3249 | correctly. */ | |
3250 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3251 | { | |
7681eb9d | 3252 | name = segment_info[i].name; |
2283f8a0 KR |
3253 | |
3254 | if (name != NULL | |
3255 | && strncmp (".stab", name, 5) == 0 | |
3256 | && strncmp (".stabstr", name, 8) != 0) | |
3257 | adjust_stab_section (abfd, i); | |
3258 | } | |
3259 | ||
3260 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); | |
3261 | ||
3262 | bfd_seek (abfd, (file_ptr) file_cursor, 0); | |
3263 | ||
3264 | /* Plant the data */ | |
3265 | ||
3266 | fill_section (abfd, &headers, &file_cursor); | |
3267 | ||
3268 | do_relocs_for (abfd, &headers, &file_cursor); | |
3269 | ||
3270 | do_linenos_for (abfd, &headers, &file_cursor); | |
3271 | ||
3272 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
3273 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
30355216 | 3274 | H_SET_TIME_STAMP (&headers, (long)time((time_t *)0)); |
2283f8a0 KR |
3275 | #else |
3276 | H_SET_TIME_STAMP (&headers, 0); | |
3277 | #endif | |
eb4fd16f ILT |
3278 | #ifdef TC_COFF_SET_MACHINE |
3279 | TC_COFF_SET_MACHINE (&headers); | |
3280 | #endif | |
2283f8a0 | 3281 | |
df0f11ff DE |
3282 | #ifndef COFF_FLAGS |
3283 | #define COFF_FLAGS 0 | |
3284 | #endif | |
3285 | ||
2283f8a0 KR |
3286 | #ifdef KEEP_RELOC_INFO |
3287 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3288 | COFF_FLAGS | coff_flags)); | |
3289 | #else | |
3290 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3291 | (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | | |
3292 | COFF_FLAGS | coff_flags)); | |
3293 | #endif | |
3294 | ||
3295 | { | |
3296 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
3297 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
3298 | ||
3299 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); | |
3300 | w_symbols (abfd, buffer1, symbol_rootP); | |
3301 | if (string_byte_count > 0) | |
3302 | w_strings (buffer1 + symtable_size); | |
3303 | bfd_write (buffer1, 1, symtable_size + string_byte_count, abfd); | |
3304 | free (buffer1); | |
3305 | } | |
3306 | ||
3307 | coff_header_append (abfd, &headers); | |
3308 | #if 0 | |
3309 | /* Recent changes to write need this, but where it should | |
3310 | go is up to Ken.. */ | |
3311 | if (bfd_close_all_done (abfd) == false) | |
48401fcf | 3312 | as_fatal (_("Can't close %s: %s"), out_file_name, |
2283f8a0 KR |
3313 | bfd_errmsg (bfd_get_error ())); |
3314 | #else | |
3315 | { | |
3316 | extern bfd *stdoutput; | |
3317 | stdoutput = abfd; | |
3318 | } | |
3319 | #endif | |
3320 | ||
3321 | } | |
3322 | ||
3323 | /* Add a new segment. This is called from subseg_new via the | |
3324 | obj_new_segment macro. */ | |
3325 | ||
3326 | segT | |
3327 | obj_coff_add_segment (name) | |
3328 | const char *name; | |
3329 | { | |
2283f8a0 KR |
3330 | unsigned int i; |
3331 | ||
7681eb9d ILT |
3332 | #ifndef COFF_LONG_SECTION_NAMES |
3333 | char buf[SCNNMLEN + 1]; | |
3334 | ||
3335 | strncpy (buf, name, SCNNMLEN); | |
3336 | buf[SCNNMLEN] = '\0'; | |
3337 | name = buf; | |
3338 | #endif | |
3339 | ||
ff406bd3 | 3340 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) |
7681eb9d | 3341 | if (strcmp (name, segment_info[i].name) == 0) |
2283f8a0 KR |
3342 | return (segT) i; |
3343 | ||
ff406bd3 | 3344 | if (i == SEG_LAST) |
2283f8a0 | 3345 | { |
48401fcf | 3346 | as_bad (_("Too many new sections; can't add \"%s\""), name); |
2283f8a0 KR |
3347 | return now_seg; |
3348 | } | |
3349 | ||
3350 | /* Add a new section. */ | |
3351 | strncpy (segment_info[i].scnhdr.s_name, name, | |
3352 | sizeof (segment_info[i].scnhdr.s_name)); | |
3353 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
7681eb9d | 3354 | segment_info[i].name = xstrdup (name); |
2283f8a0 KR |
3355 | |
3356 | return (segT) i; | |
3357 | } | |
3358 | ||
3359 | /* | |
3360 | * implement the .section pseudo op: | |
3361 | * .section name {, "flags"} | |
3362 | * ^ ^ | |
3363 | * | +--- optional flags: 'b' for bss | |
3364 | * | 'i' for info | |
3365 | * +-- section name 'l' for lib | |
3366 | * 'n' for noload | |
3367 | * 'o' for over | |
3368 | * 'w' for data | |
3369 | * 'd' (apparently m88k for data) | |
3370 | * 'x' for text | |
590c50d8 | 3371 | * 'r' for read-only data |
2283f8a0 KR |
3372 | * But if the argument is not a quoted string, treat it as a |
3373 | * subsegment number. | |
3374 | */ | |
3375 | ||
3376 | void | |
3377 | obj_coff_section (ignore) | |
3378 | int ignore; | |
3379 | { | |
3380 | /* Strip out the section name */ | |
116bf30f | 3381 | char *section_name, *name; |
2283f8a0 | 3382 | char c; |
2283f8a0 KR |
3383 | unsigned int exp; |
3384 | long flags; | |
3385 | ||
7ab1edc8 ILT |
3386 | if (flag_mri) |
3387 | { | |
3388 | char type; | |
3389 | ||
3390 | s_mri_sect (&type); | |
3391 | flags = 0; | |
3392 | if (type == 'C') | |
3393 | flags = STYP_TEXT; | |
3394 | else if (type == 'D') | |
3395 | flags = STYP_DATA; | |
3396 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3397 | ||
3398 | return; | |
3399 | } | |
3400 | ||
2283f8a0 KR |
3401 | section_name = input_line_pointer; |
3402 | c = get_symbol_end (); | |
2283f8a0 | 3403 | |
116bf30f ILT |
3404 | name = xmalloc (input_line_pointer - section_name + 1); |
3405 | strcpy (name, section_name); | |
2283f8a0 | 3406 | |
116bf30f | 3407 | *input_line_pointer = c; |
2283f8a0 KR |
3408 | |
3409 | exp = 0; | |
3410 | flags = 0; | |
116bf30f ILT |
3411 | |
3412 | SKIP_WHITESPACE (); | |
3413 | if (*input_line_pointer == ',') | |
2283f8a0 | 3414 | { |
116bf30f ILT |
3415 | ++input_line_pointer; |
3416 | SKIP_WHITESPACE (); | |
3417 | ||
2283f8a0 KR |
3418 | if (*input_line_pointer != '"') |
3419 | exp = get_absolute_expression (); | |
3420 | else | |
3421 | { | |
3422 | ++input_line_pointer; | |
3423 | while (*input_line_pointer != '"' | |
3424 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3425 | { | |
3426 | switch (*input_line_pointer) | |
3427 | { | |
3428 | case 'b': flags |= STYP_BSS; break; | |
3429 | case 'i': flags |= STYP_INFO; break; | |
3430 | case 'l': flags |= STYP_LIB; break; | |
3431 | case 'n': flags |= STYP_NOLOAD; break; | |
3432 | case 'o': flags |= STYP_OVER; break; | |
3433 | case 'd': | |
3434 | case 'w': flags |= STYP_DATA; break; | |
3435 | case 'x': flags |= STYP_TEXT; break; | |
590c50d8 | 3436 | case 'r': flags |= STYP_LIT; break; |
2283f8a0 | 3437 | default: |
48401fcf | 3438 | as_warn(_("unknown section attribute '%c'"), |
2283f8a0 KR |
3439 | *input_line_pointer); |
3440 | break; | |
3441 | } | |
3442 | ++input_line_pointer; | |
3443 | } | |
3444 | if (*input_line_pointer == '"') | |
3445 | ++input_line_pointer; | |
3446 | } | |
3447 | } | |
3448 | ||
116bf30f | 3449 | subseg_new (name, (subsegT) exp); |
2283f8a0 KR |
3450 | |
3451 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3452 | ||
116bf30f | 3453 | demand_empty_rest_of_line (); |
2283f8a0 KR |
3454 | } |
3455 | ||
3456 | ||
3457 | static void | |
3458 | obj_coff_text (ignore) | |
3459 | int ignore; | |
3460 | { | |
3461 | subseg_new (".text", get_absolute_expression ()); | |
3462 | } | |
3463 | ||
3464 | ||
3465 | static void | |
3466 | obj_coff_data (ignore) | |
3467 | int ignore; | |
3468 | { | |
def66e24 | 3469 | if (flag_readonly_data_in_text) |
2283f8a0 KR |
3470 | subseg_new (".text", get_absolute_expression () + 1000); |
3471 | else | |
3472 | subseg_new (".data", get_absolute_expression ()); | |
3473 | } | |
3474 | ||
2283f8a0 KR |
3475 | static void |
3476 | obj_coff_ident (ignore) | |
3477 | int ignore; | |
3478 | { | |
3479 | segT current_seg = now_seg; /* save current seg */ | |
3480 | subsegT current_subseg = now_subseg; | |
3481 | subseg_new (".comment", 0); /* .comment seg */ | |
3482 | stringer (1); /* read string */ | |
3483 | subseg_set (current_seg, current_subseg); /* restore current seg */ | |
3484 | } | |
3485 | ||
3486 | void | |
3487 | c_symbol_merge (debug, normal) | |
3488 | symbolS *debug; | |
3489 | symbolS *normal; | |
3490 | { | |
3491 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
3492 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
3493 | ||
3494 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
3495 | { | |
3496 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
3497 | } /* take the most we have */ | |
3498 | ||
3499 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
3500 | { | |
3501 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], | |
3502 | (char *) &debug->sy_symbol.ost_auxent[0], | |
3503 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
3504 | } /* Move all the auxiliary information */ | |
3505 | ||
3506 | /* Move the debug flags. */ | |
3507 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
3508 | } /* c_symbol_merge() */ | |
3509 | ||
3510 | static int | |
3511 | c_line_new (symbol, paddr, line_number, frag) | |
3512 | symbolS * symbol; | |
3513 | long paddr; | |
eb4fd16f | 3514 | int line_number; |
2283f8a0 KR |
3515 | fragS * frag; |
3516 | { | |
3517 | struct lineno_list *new_line = | |
3518 | (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); | |
3519 | ||
3520 | segment_info_type *s = segment_info + now_seg; | |
3521 | new_line->line.l_lnno = line_number; | |
3522 | ||
3523 | if (line_number == 0) | |
3524 | { | |
3525 | last_line_symbol = symbol; | |
3526 | new_line->line.l_addr.l_symndx = (long) symbol; | |
3527 | } | |
3528 | else | |
3529 | { | |
3530 | new_line->line.l_addr.l_paddr = paddr; | |
3531 | } | |
3532 | ||
3533 | new_line->frag = (char *) frag; | |
3534 | new_line->next = (struct lineno_list *) NULL; | |
3535 | ||
3536 | ||
3537 | if (s->lineno_list_head == (struct lineno_list *) NULL) | |
3538 | { | |
3539 | s->lineno_list_head = new_line; | |
3540 | } | |
3541 | else | |
3542 | { | |
3543 | s->lineno_list_tail->next = new_line; | |
3544 | } | |
3545 | s->lineno_list_tail = new_line; | |
3546 | return LINESZ * s->scnhdr.s_nlnno++; | |
3547 | } | |
3548 | ||
3549 | void | |
3550 | c_dot_file_symbol (filename) | |
3551 | char *filename; | |
3552 | { | |
3553 | symbolS *symbolP; | |
3554 | ||
3555 | symbolP = symbol_new (".file", | |
3556 | SEG_DEBUG, | |
3557 | 0, | |
3558 | &zero_address_frag); | |
3559 | ||
3560 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
3561 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
e5c5ce23 SC |
3562 | |
3563 | if (strlen (filename) > FILNMLEN) | |
3564 | { | |
3565 | /* Filename is too long to fit into an auxent, | |
3566 | we stick it into the string table instead. We keep | |
3567 | a linked list of the filenames we find so we can emit | |
3568 | them later.*/ | |
0fa6f8f6 ILT |
3569 | struct filename_list *f = ((struct filename_list *) |
3570 | xmalloc (sizeof (struct filename_list))); | |
e5c5ce23 SC |
3571 | |
3572 | f->filename = filename; | |
3573 | f->next = 0; | |
3574 | ||
3575 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
6648d3ae | 3576 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); |
e5c5ce23 SC |
3577 | |
3578 | if (filename_list_tail) | |
3579 | filename_list_tail->next = f; | |
3580 | else | |
3581 | filename_list_head = f; | |
3582 | filename_list_tail = f; | |
3583 | } | |
3584 | else | |
3585 | { | |
3586 | SA_SET_FILE_FNAME (symbolP, filename); | |
3587 | } | |
2283f8a0 KR |
3588 | #ifndef NO_LISTING |
3589 | { | |
3590 | extern int listing; | |
3591 | if (listing) | |
3592 | { | |
3593 | listing_source_file (filename); | |
3594 | } | |
3595 | ||
3596 | } | |
3597 | ||
3598 | #endif | |
3599 | SF_SET_DEBUG (symbolP); | |
3600 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
3601 | ||
3602 | previous_file_symbol = symbolP; | |
3603 | ||
3604 | /* Make sure that the symbol is first on the symbol chain */ | |
3605 | if (symbol_rootP != symbolP) | |
3606 | { | |
2283f8a0 KR |
3607 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3608 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
9afc6631 | 3609 | } |
2283f8a0 KR |
3610 | } /* c_dot_file_symbol() */ |
3611 | ||
3612 | /* | |
3613 | * Build a 'section static' symbol. | |
3614 | */ | |
3615 | ||
3616 | symbolS * | |
3617 | c_section_symbol (name, idx) | |
3618 | char *name; | |
3619 | int idx; | |
3620 | { | |
3621 | symbolS *symbolP; | |
3622 | ||
3623 | symbolP = symbol_new (name, idx, | |
3624 | 0, | |
3625 | &zero_address_frag); | |
3626 | ||
3627 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3628 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3629 | ||
3630 | SF_SET_STATICS (symbolP); | |
3631 | ||
b709b16f ILT |
3632 | #ifdef TE_DELTA |
3633 | /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared, | |
3634 | which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */ | |
3635 | SF_CLEAR_LOCAL (symbolP); | |
3636 | #endif | |
ff406bd3 ILT |
3637 | #ifdef TE_PE |
3638 | /* If the .linkonce pseudo-op was used for this section, we must | |
3639 | store the information in the auxiliary entry for the section | |
3640 | symbol. */ | |
3641 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
3642 | { | |
3643 | int type; | |
3644 | ||
3645 | switch (segment_info[idx].linkonce) | |
3646 | { | |
3647 | default: | |
3648 | abort (); | |
3649 | case LINKONCE_DISCARD: | |
3650 | type = IMAGE_COMDAT_SELECT_ANY; | |
3651 | break; | |
3652 | case LINKONCE_ONE_ONLY: | |
3653 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
3654 | break; | |
3655 | case LINKONCE_SAME_SIZE: | |
3656 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
3657 | break; | |
3658 | case LINKONCE_SAME_CONTENTS: | |
3659 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
3660 | break; | |
3661 | } | |
3662 | ||
3663 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
3664 | } | |
3665 | #endif /* TE_PE */ | |
3666 | ||
2283f8a0 KR |
3667 | return symbolP; |
3668 | } /* c_section_symbol() */ | |
3669 | ||
3670 | static void | |
3671 | w_symbols (abfd, where, symbol_rootP) | |
3672 | bfd * abfd; | |
3673 | char *where; | |
3674 | symbolS * symbol_rootP; | |
3675 | { | |
3676 | symbolS *symbolP; | |
3677 | unsigned int i; | |
3678 | ||
3679 | /* First fill in those values we have only just worked out */ | |
ff406bd3 | 3680 | for (i = SEG_E0; i < SEG_LAST; i++) |
2283f8a0 KR |
3681 | { |
3682 | symbolP = segment_info[i].dot; | |
3683 | if (symbolP) | |
3684 | { | |
2283f8a0 KR |
3685 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); |
3686 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
3687 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
2283f8a0 KR |
3688 | } |
3689 | } | |
3690 | ||
3691 | /* | |
3692 | * Emit all symbols left in the symbol chain. | |
3693 | */ | |
3694 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3695 | { | |
3696 | /* Used to save the offset of the name. It is used to point | |
3697 | to the string in memory but must be a file offset. */ | |
3698 | register char *temp; | |
3699 | ||
ff406bd3 ILT |
3700 | /* We can't fix the lnnoptr field in yank_symbols with the other |
3701 | adjustments, because we have to wait until we know where they | |
3702 | go in the file. */ | |
3703 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
3704 | { | |
3705 | SA_GET_SYM_LNNOPTR (symbolP) += | |
3706 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
3707 | } | |
3708 | ||
2283f8a0 KR |
3709 | tc_coff_symbol_emit_hook (symbolP); |
3710 | ||
3711 | temp = S_GET_NAME (symbolP); | |
3712 | if (SF_GET_STRING (symbolP)) | |
3713 | { | |
3714 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
3715 | S_SET_ZEROES (symbolP, 0); | |
3716 | } | |
3717 | else | |
3718 | { | |
3719 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
3720 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
3721 | } | |
3722 | where = symbol_to_chars (abfd, where, symbolP); | |
3723 | S_SET_NAME (symbolP, temp); | |
3724 | } | |
3725 | ||
3726 | } /* w_symbols() */ | |
3727 | ||
3728 | static void | |
3729 | obj_coff_lcomm (ignore) | |
3730 | int ignore; | |
3731 | { | |
3732 | s_lcomm(0); | |
3733 | return; | |
3734 | #if 0 | |
3735 | char *name; | |
3736 | char c; | |
3737 | int temp; | |
3738 | char *p; | |
3739 | ||
3740 | symbolS *symbolP; | |
3741 | ||
3742 | name = input_line_pointer; | |
3743 | ||
3744 | c = get_symbol_end (); | |
3745 | p = input_line_pointer; | |
3746 | *p = c; | |
3747 | SKIP_WHITESPACE (); | |
3748 | if (*input_line_pointer != ',') | |
3749 | { | |
48401fcf | 3750 | as_bad (_("Expected comma after name")); |
2283f8a0 KR |
3751 | ignore_rest_of_line (); |
3752 | return; | |
3753 | } | |
3754 | if (*input_line_pointer == '\n') | |
3755 | { | |
48401fcf | 3756 | as_bad (_("Missing size expression")); |
2283f8a0 KR |
3757 | return; |
3758 | } | |
3759 | input_line_pointer++; | |
3760 | if ((temp = get_absolute_expression ()) < 0) | |
3761 | { | |
48401fcf | 3762 | as_warn (_("lcomm length (%d.) <0! Ignored."), temp); |
2283f8a0 KR |
3763 | ignore_rest_of_line (); |
3764 | return; | |
3765 | } | |
3766 | *p = 0; | |
3767 | ||
3768 | symbolP = symbol_find_or_make(name); | |
3769 | ||
3770 | if (S_GET_SEGMENT(symbolP) == SEG_UNKNOWN && | |
3771 | S_GET_VALUE(symbolP) == 0) | |
3772 | { | |
3773 | if (! need_pass_2) | |
3774 | { | |
3775 | char *p; | |
3776 | segT current_seg = now_seg; /* save current seg */ | |
3777 | subsegT current_subseg = now_subseg; | |
3778 | ||
3779 | subseg_set (SEG_E2, 1); | |
3780 | symbolP->sy_frag = frag_now; | |
3781 | p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP, | |
b709b16f | 3782 | (offsetT) temp, (char *) 0); |
2283f8a0 KR |
3783 | *p = 0; |
3784 | subseg_set (current_seg, current_subseg); /* restore current seg */ | |
3785 | S_SET_SEGMENT(symbolP, SEG_E2); | |
3786 | S_SET_STORAGE_CLASS(symbolP, C_STAT); | |
3787 | } | |
3788 | } | |
3789 | else | |
48401fcf | 3790 | as_bad(_("Symbol %s already defined"), name); |
2283f8a0 KR |
3791 | |
3792 | demand_empty_rest_of_line(); | |
3793 | #endif | |
3794 | } | |
3795 | ||
3796 | static void | |
3797 | fixup_mdeps (frags, h, this_segment) | |
3798 | fragS * frags; | |
3799 | object_headers * h; | |
3800 | segT this_segment; | |
3801 | { | |
3802 | subseg_change (this_segment, 0); | |
3803 | while (frags) | |
3804 | { | |
3805 | switch (frags->fr_type) | |
3806 | { | |
3807 | case rs_align: | |
9e4b3a23 | 3808 | case rs_align_code: |
2283f8a0 | 3809 | case rs_org: |
a91c6b08 ILT |
3810 | #ifdef HANDLE_ALIGN |
3811 | HANDLE_ALIGN (frags); | |
3812 | #endif | |
2283f8a0 KR |
3813 | frags->fr_type = rs_fill; |
3814 | frags->fr_offset = | |
71dd3c40 ILT |
3815 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) |
3816 | / frags->fr_var); | |
2283f8a0 KR |
3817 | break; |
3818 | case rs_machine_dependent: | |
a91c6b08 | 3819 | md_convert_frag (h, this_segment, frags); |
2283f8a0 KR |
3820 | frag_wane (frags); |
3821 | break; | |
3822 | default: | |
3823 | ; | |
3824 | } | |
3825 | frags = frags->fr_next; | |
3826 | } | |
3827 | } | |
3828 | ||
3829 | #if 1 | |
a91c6b08 ILT |
3830 | |
3831 | #ifndef TC_FORCE_RELOCATION | |
3832 | #define TC_FORCE_RELOCATION(fix) 0 | |
3833 | #endif | |
3834 | ||
2283f8a0 KR |
3835 | static void |
3836 | fixup_segment (segP, this_segment_type) | |
3837 | segment_info_type * segP; | |
3838 | segT this_segment_type; | |
3839 | { | |
3840 | register fixS * fixP; | |
3841 | register symbolS *add_symbolP; | |
3842 | register symbolS *sub_symbolP; | |
1356d77d | 3843 | long add_number; |
2283f8a0 KR |
3844 | register int size; |
3845 | register char *place; | |
3846 | register long where; | |
3847 | register char pcrel; | |
3848 | register fragS *fragP; | |
3849 | register segT add_symbol_segment = absolute_section; | |
3850 | ||
2283f8a0 KR |
3851 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) |
3852 | { | |
3853 | fragP = fixP->fx_frag; | |
3854 | know (fragP); | |
3855 | where = fixP->fx_where; | |
3856 | place = fragP->fr_literal + where; | |
3857 | size = fixP->fx_size; | |
3858 | add_symbolP = fixP->fx_addsy; | |
e789e620 ILT |
3859 | sub_symbolP = fixP->fx_subsy; |
3860 | add_number = fixP->fx_offset; | |
3861 | pcrel = fixP->fx_pcrel; | |
3862 | ||
3863 | /* We want function-relative stabs to work on systems which | |
3864 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
3865 | fixups function-relative stabs generates. | |
3866 | ||
3867 | Of course, if you actually enable relaxing in the linker, the | |
3868 | line and block scoping information is going to be incorrect | |
3869 | in some cases. The only way to really fix this is to support | |
3870 | a reloc involving the difference of two symbols. */ | |
3871 | if (linkrelax | |
3872 | && (!sub_symbolP || pcrel)) | |
3873 | continue; | |
3874 | ||
2283f8a0 | 3875 | #ifdef TC_I960 |
eb4fd16f | 3876 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) |
2283f8a0 KR |
3877 | { |
3878 | /* Relocation should be done via the associated 'bal' entry | |
3879 | point symbol. */ | |
3880 | ||
eb4fd16f | 3881 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) |
2283f8a0 | 3882 | { |
eb4fd16f | 3883 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 3884 | _("No 'bal' entry point for leafproc %s"), |
eb4fd16f | 3885 | S_GET_NAME (add_symbolP)); |
2283f8a0 KR |
3886 | continue; |
3887 | } | |
3888 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
3889 | } | |
3890 | #endif | |
2283f8a0 | 3891 | |
8dd6fde3 ILT |
3892 | /* Make sure the symbols have been resolved; this may not have |
3893 | happened if these are expression symbols. */ | |
3894 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
48401fcf | 3895 | resolve_symbol_value (add_symbolP, 1); |
d7bf6158 ILT |
3896 | |
3897 | if (add_symbolP != NULL) | |
3898 | { | |
3899 | /* If this fixup is against a symbol which has been equated | |
3900 | to another symbol, convert it to the other symbol. */ | |
3901 | if (add_symbolP->sy_value.X_op == O_symbol | |
3902 | && (! S_IS_DEFINED (add_symbolP) | |
3903 | || S_IS_COMMON (add_symbolP))) | |
3904 | { | |
3905 | while (add_symbolP->sy_value.X_op == O_symbol | |
3906 | && (! S_IS_DEFINED (add_symbolP) | |
3907 | || S_IS_COMMON (add_symbolP))) | |
3908 | { | |
3909 | symbolS *n; | |
3910 | ||
3911 | /* We must avoid looping, as that can occur with a | |
3912 | badly written program. */ | |
3913 | n = add_symbolP->sy_value.X_add_symbol; | |
3914 | if (n == add_symbolP) | |
3915 | break; | |
3916 | add_number += add_symbolP->sy_value.X_add_number; | |
3917 | add_symbolP = n; | |
3918 | } | |
3919 | fixP->fx_addsy = add_symbolP; | |
3920 | fixP->fx_offset = add_number; | |
3921 | } | |
3922 | } | |
3923 | ||
8dd6fde3 | 3924 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) |
48401fcf | 3925 | resolve_symbol_value (sub_symbolP, 1); |
8dd6fde3 | 3926 | |
e120d9fb ILT |
3927 | if (add_symbolP != NULL |
3928 | && add_symbolP->sy_mri_common) | |
1356d77d ILT |
3929 | { |
3930 | know (add_symbolP->sy_value.X_op == O_symbol); | |
3931 | add_number += S_GET_VALUE (add_symbolP); | |
3932 | fixP->fx_offset = add_number; | |
3933 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
3934 | } | |
3935 | ||
2283f8a0 KR |
3936 | if (add_symbolP) |
3937 | { | |
3938 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); | |
3939 | } /* if there is an addend */ | |
3940 | ||
3941 | if (sub_symbolP) | |
3942 | { | |
7ab1edc8 | 3943 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) |
2283f8a0 | 3944 | { |
7ab1edc8 ILT |
3945 | if (add_symbolP != NULL) |
3946 | { | |
3947 | add_number += S_GET_VALUE (add_symbolP); | |
3948 | add_symbolP = NULL; | |
3949 | fixP->fx_addsy = NULL; | |
3950 | } | |
3951 | ||
3952 | /* It's just -sym. */ | |
3953 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
3954 | { | |
3955 | add_number -= S_GET_VALUE (sub_symbolP); | |
3956 | fixP->fx_subsy = 0; | |
3957 | fixP->fx_done = 1; | |
3958 | } | |
3959 | else | |
2283f8a0 | 3960 | { |
7ab1edc8 | 3961 | #ifndef TC_M68K |
eb4fd16f | 3962 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 3963 | _("Negative of non-absolute symbol %s"), |
eb4fd16f | 3964 | S_GET_NAME (sub_symbolP)); |
7ab1edc8 ILT |
3965 | #endif |
3966 | add_number -= S_GET_VALUE (sub_symbolP); | |
2283f8a0 KR |
3967 | } /* not absolute */ |
3968 | ||
2283f8a0 | 3969 | /* if sub_symbol is in the same segment that add_symbol |
7ab1edc8 | 3970 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE */ |
2283f8a0 | 3971 | } |
7ab1edc8 ILT |
3972 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment |
3973 | && SEG_NORMAL (add_symbol_segment)) | |
2283f8a0 KR |
3974 | { |
3975 | /* Difference of 2 symbols from same segment. Can't | |
3976 | make difference of 2 undefineds: 'value' means | |
3977 | something different for N_UNDF. */ | |
3978 | #ifdef TC_I960 | |
3979 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
3980 | as the target of a call instruction. */ | |
3981 | if (fixP->fx_tcbit) | |
3982 | { | |
eb4fd16f | 3983 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 3984 | _("callj to difference of 2 symbols")); |
2283f8a0 KR |
3985 | } |
3986 | #endif /* TC_I960 */ | |
3987 | add_number += S_GET_VALUE (add_symbolP) - | |
3988 | S_GET_VALUE (sub_symbolP); | |
2283f8a0 | 3989 | add_symbolP = NULL; |
a91c6b08 ILT |
3990 | |
3991 | if (!TC_FORCE_RELOCATION (fixP)) | |
3992 | { | |
3993 | fixP->fx_addsy = NULL; | |
3994 | fixP->fx_subsy = NULL; | |
3995 | fixP->fx_done = 1; | |
1356d77d ILT |
3996 | #ifdef TC_M68K /* is this right? */ |
3997 | pcrel = 0; | |
3998 | fixP->fx_pcrel = 0; | |
3999 | #endif | |
a91c6b08 | 4000 | } |
2283f8a0 KR |
4001 | } |
4002 | else | |
4003 | { | |
4004 | /* Different segments in subtraction. */ | |
4005 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); | |
4006 | ||
4007 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) | |
4008 | { | |
4009 | add_number -= S_GET_VALUE (sub_symbolP); | |
4010 | } | |
4011 | #ifdef DIFF_EXPR_OK | |
4012 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type | |
4013 | #if 0 /* Okay for 68k, at least... */ | |
4014 | && !pcrel | |
4015 | #endif | |
4016 | ) | |
4017 | { | |
4018 | /* Make it pc-relative. */ | |
4019 | add_number += (md_pcrel_from (fixP) | |
4020 | - S_GET_VALUE (sub_symbolP)); | |
4021 | pcrel = 1; | |
4022 | fixP->fx_pcrel = 1; | |
4023 | sub_symbolP = 0; | |
4024 | fixP->fx_subsy = 0; | |
4025 | } | |
4026 | #endif | |
4027 | else | |
4028 | { | |
eb4fd16f | 4029 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 4030 | _("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."), |
eb4fd16f ILT |
4031 | segment_name (S_GET_SEGMENT (sub_symbolP)), |
4032 | S_GET_NAME (sub_symbolP), | |
4033 | (long) (fragP->fr_address + where)); | |
2283f8a0 KR |
4034 | } /* if absolute */ |
4035 | } | |
4036 | } /* if sub_symbolP */ | |
4037 | ||
4038 | if (add_symbolP) | |
4039 | { | |
4040 | if (add_symbol_segment == this_segment_type && pcrel) | |
4041 | { | |
4042 | /* | |
4043 | * This fixup was made when the symbol's segment was | |
4044 | * SEG_UNKNOWN, but it is now in the local segment. | |
4045 | * So we know how to do the address without relocation. | |
4046 | */ | |
4047 | #ifdef TC_I960 | |
4048 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
4049 | * in which cases it modifies *fixP as appropriate. In the case | |
4050 | * of a 'calls', no further work is required, and *fixP has been | |
4051 | * set up to make the rest of the code below a no-op. | |
4052 | */ | |
4053 | reloc_callj (fixP); | |
4054 | #endif /* TC_I960 */ | |
4055 | ||
4056 | add_number += S_GET_VALUE (add_symbolP); | |
4057 | add_number -= md_pcrel_from (fixP); | |
b709b16f ILT |
4058 | |
4059 | /* We used to do | |
4060 | add_number -= segP->scnhdr.s_vaddr; | |
4061 | if defined (TC_I386) || defined (TE_LYNX). I now | |
4062 | think that was an error propagated from the case when | |
4063 | we are going to emit the relocation. If we are not | |
4064 | going to emit the relocation, then we just want to | |
4065 | set add_number to the difference between the symbols. | |
4066 | This is a case that would only arise when there is a | |
4067 | PC relative reference from a section other than .text | |
4068 | to a symbol defined in the same section, and the | |
4069 | reference is not relaxed. Since jump instructions on | |
4070 | the i386 are relaxed, this could only arise with a | |
4071 | call instruction. */ | |
4072 | ||
2283f8a0 | 4073 | pcrel = 0; /* Lie. Don't want further pcrel processing. */ |
a91c6b08 ILT |
4074 | if (!TC_FORCE_RELOCATION (fixP)) |
4075 | { | |
4076 | fixP->fx_addsy = NULL; | |
4077 | fixP->fx_done = 1; | |
4078 | } | |
2283f8a0 KR |
4079 | } |
4080 | else | |
4081 | { | |
4082 | switch (add_symbol_segment) | |
4083 | { | |
4084 | case absolute_section: | |
4085 | #ifdef TC_I960 | |
4086 | reloc_callj (fixP); /* See comment about reloc_callj() above*/ | |
4087 | #endif /* TC_I960 */ | |
4088 | add_number += S_GET_VALUE (add_symbolP); | |
2283f8a0 | 4089 | add_symbolP = NULL; |
a91c6b08 ILT |
4090 | |
4091 | if (!TC_FORCE_RELOCATION (fixP)) | |
4092 | { | |
4093 | fixP->fx_addsy = NULL; | |
4094 | fixP->fx_done = 1; | |
4095 | } | |
2283f8a0 KR |
4096 | break; |
4097 | default: | |
4098 | ||
d21041b3 | 4099 | |
464070de | 4100 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) |
2283f8a0 KR |
4101 | /* This really should be handled in the linker, but |
4102 | backward compatibility forbids. */ | |
4103 | add_number += S_GET_VALUE (add_symbolP); | |
4104 | #else | |
4105 | add_number += S_GET_VALUE (add_symbolP) + | |
4106 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
4107 | #endif | |
4108 | break; | |
4109 | ||
4110 | case SEG_UNKNOWN: | |
4111 | #ifdef TC_I960 | |
4112 | if ((int) fixP->fx_bit_fixP == 13) | |
4113 | { | |
4114 | /* This is a COBR instruction. They have only a | |
4115 | * 13-bit displacement and are only to be used | |
4116 | * for local branches: flag as error, don't generate | |
4117 | * relocation. | |
4118 | */ | |
eb4fd16f | 4119 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 4120 | _("can't use COBR format with external label")); |
2283f8a0 KR |
4121 | fixP->fx_addsy = NULL; |
4122 | fixP->fx_done = 1; | |
4123 | continue; | |
4124 | } /* COBR */ | |
4125 | #endif /* TC_I960 */ | |
9afc6631 | 4126 | #if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND) |
0eb1f9ce KR |
4127 | /* 386 COFF uses a peculiar format in which the |
4128 | value of a common symbol is stored in the .text | |
4129 | segment (I've checked this on SVR3.2 and SCO | |
4130 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
9afc6631 ILT |
4131 | /* This is also true for 68k COFF on sysv machines |
4132 | (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on | |
4133 | UNIX System V/M68000, Release 1.0 from ATT/Bell Labs) | |
4134 | Philippe De Muyter <phdm@info.ucl.ac.be>. */ | |
2283f8a0 KR |
4135 | if (S_IS_COMMON (add_symbolP)) |
4136 | add_number += S_GET_VALUE (add_symbolP); | |
4137 | #endif | |
4138 | break; | |
4139 | ||
4140 | ||
4141 | } /* switch on symbol seg */ | |
4142 | } /* if not in local seg */ | |
4143 | } /* if there was a + symbol */ | |
4144 | ||
4145 | if (pcrel) | |
4146 | { | |
464070de | 4147 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) |
2283f8a0 KR |
4148 | /* This adjustment is not correct on the m88k, for which the |
4149 | linker does all the computation. */ | |
4150 | add_number -= md_pcrel_from (fixP); | |
4151 | #endif | |
4152 | if (add_symbolP == 0) | |
4153 | { | |
4154 | fixP->fx_addsy = &abs_symbol; | |
4155 | } /* if there's an add_symbol */ | |
eb0dafdc | 4156 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) |
ab299844 | 4157 | /* On the 386 we must adjust by the segment vaddr as well. |
eb0dafdc ILT |
4158 | Ian Taylor. |
4159 | ||
4160 | I changed the i960 to work this way as well. This is | |
4161 | compatible with the current GNU linker behaviour. I do | |
4162 | not know what other i960 COFF assemblers do. This is not | |
4163 | a common case: normally, only assembler code will contain | |
4164 | a PC relative reloc, and only branches which do not | |
4165 | originate in the .text section will have a non-zero | |
4166 | address. | |
4167 | ||
4168 | I changed the m68k to work this way as well. This will | |
4169 | break existing PC relative relocs from sections which do | |
4170 | not start at address 0, but it will make ld -r work. | |
4171 | Ian Taylor, 4 Oct 96. */ | |
4172 | ||
2283f8a0 KR |
4173 | add_number -= segP->scnhdr.s_vaddr; |
4174 | #endif | |
4175 | } /* if pcrel */ | |
4176 | ||
a78bc551 | 4177 | if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow) |
2283f8a0 KR |
4178 | { |
4179 | #ifndef TC_M88K | |
4180 | /* The m88k uses the offset field of the reloc to get around | |
4181 | this problem. */ | |
d675782a | 4182 | if ((size == 1 |
a78bc551 ILT |
4183 | && ((add_number & ~0xFF) |
4184 | || (fixP->fx_signed && (add_number & 0x80))) | |
4185 | && ((add_number & ~0xFF) != (-1 & ~0xFF) | |
d7bf6158 | 4186 | || (add_number & 0x80) == 0)) |
d675782a | 4187 | || (size == 2 |
a78bc551 ILT |
4188 | && ((add_number & ~0xFFFF) |
4189 | || (fixP->fx_signed && (add_number & 0x8000))) | |
4190 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF) | |
d7bf6158 | 4191 | || (add_number & 0x8000) == 0))) |
2283f8a0 | 4192 | { |
eb4fd16f | 4193 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 4194 | _("Value of %ld too large for field of %d bytes at 0x%lx"), |
eb4fd16f ILT |
4195 | (long) add_number, size, |
4196 | (unsigned long) (fragP->fr_address + where)); | |
d675782a | 4197 | } |
2283f8a0 KR |
4198 | #endif |
4199 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
0eb1f9ce KR |
4200 | /* Warn if a .word value is too large when treated as a |
4201 | signed number. We already know it is not too negative. | |
4202 | This is to catch over-large switches generated by gcc on | |
4203 | the 68k. */ | |
def66e24 | 4204 | if (!flag_signed_overflow_ok |
2283f8a0 KR |
4205 | && size == 2 |
4206 | && add_number > 0x7fff) | |
eb4fd16f | 4207 | as_bad_where (fixP->fx_file, fixP->fx_line, |
48401fcf | 4208 | _("Signed .word overflow; switch may be too large; %ld at 0x%lx"), |
eb4fd16f ILT |
4209 | (long) add_number, |
4210 | (unsigned long) (fragP->fr_address + where)); | |
2283f8a0 KR |
4211 | #endif |
4212 | } /* not a bit fix */ | |
0eb1f9ce KR |
4213 | /* Once this fix has been applied, we don't have to output |
4214 | anything nothing more need be done. */ | |
a91c6b08 | 4215 | #ifdef MD_APPLY_FIX3 |
48401fcf | 4216 | md_apply_fix3 (fixP, (valueT *) &add_number, this_segment_type); |
a91c6b08 | 4217 | #else |
2283f8a0 | 4218 | md_apply_fix (fixP, add_number); |
a91c6b08 | 4219 | #endif |
2283f8a0 KR |
4220 | } /* For each fixS in this segment. */ |
4221 | } /* fixup_segment() */ | |
4222 | ||
4223 | #endif | |
4224 | ||
4225 | /* The first entry in a .stab section is special. */ | |
4226 | ||
4227 | void | |
4228 | obj_coff_init_stab_section (seg) | |
4229 | segT seg; | |
4230 | { | |
4231 | char *file; | |
4232 | char *p; | |
4233 | char *stabstr_name; | |
4234 | unsigned int stroff; | |
4235 | ||
4236 | /* Make space for this first symbol. */ | |
4237 | p = frag_more (12); | |
4238 | /* Zero it out. */ | |
4239 | memset (p, 0, 12); | |
4240 | as_where (&file, (unsigned int *) NULL); | |
7681eb9d ILT |
4241 | stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4); |
4242 | strcpy (stabstr_name, segment_info[seg].name); | |
2283f8a0 KR |
4243 | strcat (stabstr_name, "str"); |
4244 | stroff = get_stab_string_offset (file, stabstr_name); | |
4245 | know (stroff == 1); | |
4246 | md_number_to_chars (p, stroff, 4); | |
4247 | } | |
4248 | ||
4249 | /* Fill in the counts in the first entry in a .stab section. */ | |
4250 | ||
4251 | static void | |
4252 | adjust_stab_section(abfd, seg) | |
4253 | bfd *abfd; | |
4254 | segT seg; | |
4255 | { | |
4256 | segT stabstrseg = SEG_UNKNOWN; | |
ba97ba7e ILT |
4257 | const char *secname, *name2; |
4258 | char *name; | |
2283f8a0 KR |
4259 | char *p = NULL; |
4260 | int i, strsz = 0, nsyms; | |
4261 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
4262 | ||
4263 | /* Look for the associated string table section. */ | |
4264 | ||
7681eb9d | 4265 | secname = segment_info[seg].name; |
2283f8a0 KR |
4266 | name = (char *) alloca (strlen (secname) + 4); |
4267 | strcpy (name, secname); | |
4268 | strcat (name, "str"); | |
4269 | ||
4270 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
4271 | { | |
7681eb9d | 4272 | name2 = segment_info[i].name; |
2283f8a0 KR |
4273 | if (name2 != NULL && strncmp(name2, name, 8) == 0) |
4274 | { | |
4275 | stabstrseg = i; | |
4276 | break; | |
4277 | } | |
4278 | } | |
4279 | ||
4280 | /* If we found the section, get its size. */ | |
4281 | if (stabstrseg != SEG_UNKNOWN) | |
4282 | strsz = size_section (abfd, stabstrseg); | |
4283 | ||
4284 | nsyms = size_section (abfd, seg) / 12 - 1; | |
4285 | ||
4286 | /* Look for the first frag of sufficient size for the initial stab | |
4287 | symbol, and collect a pointer to it. */ | |
4288 | while (frag && frag->fr_fix < 12) | |
4289 | frag = frag->fr_next; | |
4290 | assert (frag != 0); | |
4291 | p = frag->fr_literal; | |
4292 | assert (p != 0); | |
4293 | ||
4294 | /* Write in the number of stab symbols and the size of the string | |
4295 | table. */ | |
4296 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); | |
4297 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
4298 | } | |
4299 | ||
2283f8a0 | 4300 | #endif /* not BFD_ASSEMBLER */ |
eb4fd16f ILT |
4301 | |
4302 | const pseudo_typeS obj_pseudo_table[] = | |
4303 | { | |
4304 | {"def", obj_coff_def, 0}, | |
4305 | {"dim", obj_coff_dim, 0}, | |
4306 | {"endef", obj_coff_endef, 0}, | |
4307 | {"line", obj_coff_line, 0}, | |
4308 | {"ln", obj_coff_ln, 0}, | |
4309 | {"appline", obj_coff_ln, 1}, | |
4310 | {"scl", obj_coff_scl, 0}, | |
4311 | {"size", obj_coff_size, 0}, | |
4312 | {"tag", obj_coff_tag, 0}, | |
4313 | {"type", obj_coff_type, 0}, | |
4314 | {"val", obj_coff_val, 0}, | |
4315 | {"section", obj_coff_section, 0}, | |
7ab1edc8 ILT |
4316 | {"sect", obj_coff_section, 0}, |
4317 | /* FIXME: We ignore the MRI short attribute. */ | |
4318 | {"section.s", obj_coff_section, 0}, | |
4319 | {"sect.s", obj_coff_section, 0}, | |
48401fcf TT |
4320 | /* We accept the .bss directive for backward compatibility with |
4321 | earlier versions of gas. */ | |
4322 | {"bss", obj_coff_bss, 0}, | |
eb4fd16f ILT |
4323 | #ifndef BFD_ASSEMBLER |
4324 | {"use", obj_coff_section, 0}, | |
eb4fd16f ILT |
4325 | {"text", obj_coff_text, 0}, |
4326 | {"data", obj_coff_data, 0}, | |
eb4fd16f ILT |
4327 | {"lcomm", obj_coff_lcomm, 0}, |
4328 | {"ident", obj_coff_ident, 0}, | |
4329 | #else | |
4330 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
4331 | {"ident", s_ignore, 0}, /* we don't yet handle this. */ | |
4332 | #endif | |
590c50d8 | 4333 | {"version", s_ignore, 0}, |
eb4fd16f ILT |
4334 | {"ABORT", s_abort, 0}, |
4335 | #ifdef TC_M88K | |
4336 | /* The m88k uses sdef instead of def. */ | |
4337 | {"sdef", obj_coff_def, 0}, | |
4338 | #endif | |
4339 | {NULL} /* end sentinel */ | |
4340 | }; /* obj_pseudo_table */ | |
590c50d8 ILT |
4341 | \f |
4342 | #ifdef BFD_ASSEMBLER | |
4343 | ||
4344 | /* Support for a COFF emulation. */ | |
4345 | ||
4346 | static void | |
4347 | coff_pop_insert () | |
4348 | { | |
4349 | pop_insert (obj_pseudo_table); | |
4350 | } | |
4351 | ||
4352 | static int | |
4353 | coff_sec_sym_ok_for_reloc (sec) | |
4354 | asection *sec; | |
4355 | { | |
4356 | return 0; | |
4357 | } | |
4358 | ||
4359 | static void | |
4360 | no_func () | |
4361 | { | |
4362 | abort (); | |
4363 | } | |
4364 | ||
4365 | const struct format_ops coff_format_ops = | |
4366 | { | |
4367 | bfd_target_coff_flavour, | |
4368 | 0, | |
4369 | 1, | |
4370 | coff_frob_symbol, | |
590c50d8 | 4371 | no_func, |
48401fcf | 4372 | coff_frob_file_after_relocs, |
590c50d8 ILT |
4373 | 0, 0, |
4374 | 0, 0, | |
4375 | 0, | |
4376 | #if 0 | |
4377 | obj_generate_asm_lineno, | |
4378 | #else | |
4379 | no_func, | |
4380 | #endif | |
4381 | #if 0 | |
4382 | obj_stab, | |
4383 | #else | |
4384 | no_func, | |
4385 | #endif | |
4386 | coff_sec_sym_ok_for_reloc, | |
4387 | coff_pop_insert, | |
4388 | #if 0 | |
4389 | obj_set_ext, | |
4390 | #else | |
4391 | no_func, | |
4392 | #endif | |
4393 | coff_obj_read_begin_hook, | |
4394 | coff_obj_symbol_new_hook, | |
4395 | }; | |
4396 | ||
4397 | #endif |