Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* coff object file format |
f7e42eb4 | 2 | Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
3b16e843 | 3 | 1999, 2000, 2001, 2002 |
252b5132 RH |
4 | Free Software Foundation, Inc. |
5 | ||
6 | This file is part of GAS. | |
7 | ||
8 | GAS is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GAS is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GAS; see the file COPYING. If not, write to the Free | |
20 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | 02111-1307, USA. */ | |
22 | ||
23 | #define OBJ_HEADER "obj-coff.h" | |
24 | ||
25 | #include "as.h" | |
26 | #include "obstack.h" | |
27 | #include "subsegs.h" | |
28 | ||
29 | /* I think this is probably always correct. */ | |
30 | #ifndef KEEP_RELOC_INFO | |
31 | #define KEEP_RELOC_INFO | |
32 | #endif | |
33 | ||
b8a9dcab NC |
34 | /* The BFD_ASSEMBLER version of obj_coff_section will use this macro to set |
35 | a new section's attributes when a directive has no valid flags or the | |
36 | "w" flag is used. This default should be appropriate for most. */ | |
37 | #ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES | |
38 | #define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA) | |
39 | #endif | |
40 | ||
8d28c9d7 AM |
41 | /* This is used to hold the symbol built by a sequence of pseudo-ops |
42 | from .def and .endef. */ | |
43 | static symbolS *def_symbol_in_progress; | |
44 | ||
45 | typedef struct | |
46 | { | |
47 | unsigned long chunk_size; | |
48 | unsigned long element_size; | |
49 | unsigned long size; | |
50 | char *data; | |
51 | unsigned long pointer; | |
52 | } | |
53 | stack; | |
54 | ||
55 | static stack *stack_init PARAMS ((unsigned long, unsigned long)); | |
56 | static char *stack_push PARAMS ((stack *, char *)); | |
57 | static char *stack_pop PARAMS ((stack *)); | |
58 | static void tag_init PARAMS ((void)); | |
59 | static void tag_insert PARAMS ((const char *, symbolS *)); | |
60 | static symbolS *tag_find PARAMS ((char *)); | |
61 | static symbolS *tag_find_or_make PARAMS ((char *)); | |
252b5132 | 62 | static void obj_coff_bss PARAMS ((int)); |
8d28c9d7 | 63 | static void obj_coff_weak PARAMS ((int)); |
252b5132 | 64 | const char *s_get_name PARAMS ((symbolS * s)); |
0561a208 ILT |
65 | static void obj_coff_ln PARAMS ((int)); |
66 | static void obj_coff_def PARAMS ((int)); | |
67 | static void obj_coff_endef PARAMS ((int)); | |
68 | static void obj_coff_dim PARAMS ((int)); | |
69 | static void obj_coff_line PARAMS ((int)); | |
70 | static void obj_coff_size PARAMS ((int)); | |
71 | static void obj_coff_scl PARAMS ((int)); | |
72 | static void obj_coff_tag PARAMS ((int)); | |
73 | static void obj_coff_val PARAMS ((int)); | |
74 | static void obj_coff_type PARAMS ((int)); | |
7a6284c4 | 75 | static void obj_coff_ident PARAMS ((int)); |
28428223 ILT |
76 | #ifdef BFD_ASSEMBLER |
77 | static void obj_coff_loc PARAMS((int)); | |
78 | #endif | |
252b5132 RH |
79 | \f |
80 | /* stack stuff */ | |
252b5132 RH |
81 | |
82 | static stack * | |
83 | stack_init (chunk_size, element_size) | |
84 | unsigned long chunk_size; | |
85 | unsigned long element_size; | |
86 | { | |
87 | stack *st; | |
88 | ||
89 | st = (stack *) malloc (sizeof (stack)); | |
90 | if (!st) | |
91 | return 0; | |
92 | st->data = malloc (chunk_size); | |
93 | if (!st->data) | |
94 | { | |
95 | free (st); | |
96 | return 0; | |
97 | } | |
98 | st->pointer = 0; | |
99 | st->size = chunk_size; | |
100 | st->chunk_size = chunk_size; | |
101 | st->element_size = element_size; | |
102 | return st; | |
103 | } | |
104 | ||
105 | #if 0 | |
106 | /* Not currently used. */ | |
107 | static void | |
108 | stack_delete (st) | |
109 | stack *st; | |
110 | { | |
111 | free (st->data); | |
112 | free (st); | |
113 | } | |
114 | #endif | |
115 | ||
116 | static char * | |
117 | stack_push (st, element) | |
118 | stack *st; | |
119 | char *element; | |
120 | { | |
121 | if (st->pointer + st->element_size >= st->size) | |
122 | { | |
123 | st->size += st->chunk_size; | |
124 | if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) | |
125 | return (char *) 0; | |
126 | } | |
127 | memcpy (st->data + st->pointer, element, st->element_size); | |
128 | st->pointer += st->element_size; | |
129 | return st->data + st->pointer; | |
130 | } | |
131 | ||
132 | static char * | |
133 | stack_pop (st) | |
134 | stack *st; | |
135 | { | |
136 | if (st->pointer < st->element_size) | |
137 | { | |
138 | st->pointer = 0; | |
139 | return (char *) 0; | |
140 | } | |
141 | st->pointer -= st->element_size; | |
142 | return st->data + st->pointer; | |
143 | } | |
144 | \f | |
145 | /* | |
146 | * Maintain a list of the tagnames of the structres. | |
147 | */ | |
148 | ||
149 | static struct hash_control *tag_hash; | |
150 | ||
151 | static void | |
152 | tag_init () | |
153 | { | |
154 | tag_hash = hash_new (); | |
155 | } | |
156 | ||
157 | static void | |
158 | tag_insert (name, symbolP) | |
159 | const char *name; | |
160 | symbolS *symbolP; | |
161 | { | |
162 | const char *error_string; | |
163 | ||
164 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
165 | { | |
166 | as_fatal (_("Inserting \"%s\" into structure table failed: %s"), | |
167 | name, error_string); | |
168 | } | |
169 | } | |
170 | ||
171 | static symbolS * | |
172 | tag_find (name) | |
173 | char *name; | |
174 | { | |
175 | #ifdef STRIP_UNDERSCORE | |
176 | if (*name == '_') | |
177 | name++; | |
178 | #endif /* STRIP_UNDERSCORE */ | |
179 | return (symbolS *) hash_find (tag_hash, name); | |
180 | } | |
181 | ||
182 | static symbolS * | |
183 | tag_find_or_make (name) | |
184 | char *name; | |
185 | { | |
186 | symbolS *symbolP; | |
187 | ||
188 | if ((symbolP = tag_find (name)) == NULL) | |
189 | { | |
190 | symbolP = symbol_new (name, undefined_section, | |
191 | 0, &zero_address_frag); | |
192 | ||
193 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
194 | #ifdef BFD_ASSEMBLER | |
195 | symbol_table_insert (symbolP); | |
196 | #endif | |
197 | } /* not found */ | |
198 | ||
199 | return symbolP; | |
200 | } | |
201 | ||
202 | /* We accept the .bss directive to set the section for backward | |
203 | compatibility with earlier versions of gas. */ | |
204 | ||
205 | static void | |
206 | obj_coff_bss (ignore) | |
a04b544b | 207 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
208 | { |
209 | if (*input_line_pointer == '\n') | |
210 | subseg_new (".bss", get_absolute_expression ()); | |
211 | else | |
212 | s_lcomm (0); | |
213 | } | |
214 | ||
215 | /* Handle .weak. This is a GNU extension. */ | |
216 | ||
217 | static void | |
218 | obj_coff_weak (ignore) | |
a04b544b | 219 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
220 | { |
221 | char *name; | |
222 | int c; | |
223 | symbolS *symbolP; | |
dcd619be | 224 | |
252b5132 RH |
225 | do |
226 | { | |
227 | name = input_line_pointer; | |
228 | c = get_symbol_end (); | |
229 | symbolP = symbol_find_or_make (name); | |
230 | *input_line_pointer = c; | |
231 | SKIP_WHITESPACE (); | |
232 | ||
4ce3447c | 233 | #if defined BFD_ASSEMBLER || defined S_SET_WEAK |
252b5132 RH |
234 | S_SET_WEAK (symbolP); |
235 | #endif | |
236 | ||
237 | #ifdef TE_PE | |
238 | S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK); | |
239 | #else | |
240 | S_SET_STORAGE_CLASS (symbolP, C_WEAKEXT); | |
241 | #endif | |
242 | ||
243 | if (c == ',') | |
244 | { | |
245 | input_line_pointer++; | |
246 | SKIP_WHITESPACE (); | |
247 | if (*input_line_pointer == '\n') | |
248 | c = '\n'; | |
249 | } | |
250 | } | |
251 | while (c == ','); | |
252 | ||
253 | demand_empty_rest_of_line (); | |
254 | } | |
255 | ||
256 | #ifdef BFD_ASSEMBLER | |
257 | ||
8d28c9d7 | 258 | static segT fetch_coff_debug_section PARAMS ((void)); |
252b5132 | 259 | static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *)); |
8d28c9d7 AM |
260 | static int S_GET_DATA_TYPE PARAMS ((symbolS *)); |
261 | void c_symbol_merge PARAMS ((symbolS *, symbolS *)); | |
262 | static void add_lineno PARAMS ((fragS *, addressT, int)); | |
252b5132 RH |
263 | |
264 | #define GET_FILENAME_STRING(X) \ | |
814f6641 | 265 | ((char*) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) |
252b5132 RH |
266 | |
267 | /* @@ Ick. */ | |
268 | static segT | |
269 | fetch_coff_debug_section () | |
270 | { | |
271 | static segT debug_section; | |
272 | if (!debug_section) | |
273 | { | |
274 | CONST asymbol *s; | |
275 | s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0); | |
276 | assert (s != 0); | |
277 | debug_section = s->section; | |
278 | } | |
279 | return debug_section; | |
280 | } | |
281 | ||
282 | void | |
283 | SA_SET_SYM_ENDNDX (sym, val) | |
284 | symbolS *sym; | |
285 | symbolS *val; | |
286 | { | |
287 | combined_entry_type *entry, *p; | |
288 | ||
49309057 ILT |
289 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
290 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
291 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; |
292 | entry->fix_end = 1; | |
293 | } | |
294 | ||
295 | static void | |
296 | SA_SET_SYM_TAGNDX (sym, val) | |
297 | symbolS *sym; | |
298 | symbolS *val; | |
299 | { | |
300 | combined_entry_type *entry, *p; | |
301 | ||
49309057 ILT |
302 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
303 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
304 | entry->u.auxent.x_sym.x_tagndx.p = p; |
305 | entry->fix_tag = 1; | |
306 | } | |
307 | ||
308 | static int | |
309 | S_GET_DATA_TYPE (sym) | |
310 | symbolS *sym; | |
311 | { | |
49309057 | 312 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type; |
252b5132 RH |
313 | } |
314 | ||
315 | int | |
316 | S_SET_DATA_TYPE (sym, val) | |
317 | symbolS *sym; | |
318 | int val; | |
319 | { | |
49309057 | 320 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val; |
252b5132 RH |
321 | return val; |
322 | } | |
323 | ||
324 | int | |
325 | S_GET_STORAGE_CLASS (sym) | |
326 | symbolS *sym; | |
327 | { | |
49309057 | 328 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass; |
252b5132 RH |
329 | } |
330 | ||
331 | int | |
332 | S_SET_STORAGE_CLASS (sym, val) | |
333 | symbolS *sym; | |
334 | int val; | |
335 | { | |
49309057 | 336 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val; |
252b5132 RH |
337 | return val; |
338 | } | |
339 | ||
dcd619be | 340 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
252b5132 RH |
341 | |
342 | void | |
343 | c_symbol_merge (debug, normal) | |
344 | symbolS *debug; | |
345 | symbolS *normal; | |
346 | { | |
347 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
348 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
349 | ||
350 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
351 | { | |
352 | /* take the most we have */ | |
353 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
354 | } | |
355 | ||
356 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
357 | { | |
358 | /* Move all the auxiliary information. */ | |
359 | memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug), | |
360 | (S_GET_NUMBER_AUXILIARY (debug) | |
361 | * sizeof (*SYM_AUXINFO (debug)))); | |
362 | } | |
363 | ||
dcd619be | 364 | /* Move the debug flags. */ |
252b5132 RH |
365 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
366 | } | |
367 | ||
368 | void | |
369 | c_dot_file_symbol (filename) | |
5110c57e | 370 | const char *filename; |
252b5132 RH |
371 | { |
372 | symbolS *symbolP; | |
373 | ||
0561a208 ILT |
374 | /* BFD converts filename to a .file symbol with an aux entry. It |
375 | also handles chaining. */ | |
252b5132 RH |
376 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
377 | ||
378 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
379 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
380 | ||
49309057 | 381 | symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING; |
252b5132 RH |
382 | |
383 | #ifndef NO_LISTING | |
384 | { | |
385 | extern int listing; | |
386 | if (listing) | |
387 | { | |
388 | listing_source_file (filename); | |
389 | } | |
390 | } | |
391 | #endif | |
392 | ||
393 | /* Make sure that the symbol is first on the symbol chain */ | |
394 | if (symbol_rootP != symbolP) | |
395 | { | |
396 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
397 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
398 | } /* if not first on the list */ | |
399 | } | |
400 | ||
401 | /* Line number handling */ | |
402 | ||
403 | struct line_no { | |
404 | struct line_no *next; | |
405 | fragS *frag; | |
406 | alent l; | |
407 | }; | |
408 | ||
409 | int coff_line_base; | |
410 | ||
411 | /* Symbol of last function, which we should hang line#s off of. */ | |
412 | static symbolS *line_fsym; | |
413 | ||
414 | #define in_function() (line_fsym != 0) | |
415 | #define clear_function() (line_fsym = 0) | |
416 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) | |
417 | ||
418 | \f | |
419 | void | |
420 | coff_obj_symbol_new_hook (symbolP) | |
421 | symbolS *symbolP; | |
422 | { | |
423 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
424 | char * s = (char *) xmalloc (sz); | |
dcd619be | 425 | |
252b5132 | 426 | memset (s, 0, sz); |
49309057 | 427 | coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s; |
252b5132 RH |
428 | |
429 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
430 | S_SET_STORAGE_CLASS (symbolP, 0); | |
431 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
432 | ||
433 | if (S_IS_STRING (symbolP)) | |
434 | SF_SET_STRING (symbolP); | |
dcd619be | 435 | |
252b5132 RH |
436 | if (S_IS_LOCAL (symbolP)) |
437 | SF_SET_LOCAL (symbolP); | |
438 | } | |
439 | ||
440 | \f | |
441 | /* | |
442 | * Handle .ln directives. | |
443 | */ | |
444 | ||
445 | static symbolS *current_lineno_sym; | |
446 | static struct line_no *line_nos; | |
447 | /* @@ Blindly assume all .ln directives will be in the .text section... */ | |
448 | int coff_n_line_nos; | |
449 | ||
450 | static void | |
451 | add_lineno (frag, offset, num) | |
452 | fragS *frag; | |
7f6d05e8 | 453 | addressT offset; |
252b5132 RH |
454 | int num; |
455 | { | |
456 | struct line_no *new_line = | |
457 | (struct line_no *) xmalloc (sizeof (struct line_no)); | |
458 | if (!current_lineno_sym) | |
459 | { | |
460 | abort (); | |
461 | } | |
6877bb43 TR |
462 | |
463 | #ifndef OBJ_XCOFF | |
464 | /* The native aix assembler accepts negative line number */ | |
465 | ||
dcd619be | 466 | if (num <= 0) |
e8a3ab75 ILT |
467 | { |
468 | /* Zero is used as an end marker in the file. */ | |
b985eaa8 ILT |
469 | as_warn (_("Line numbers must be positive integers\n")); |
470 | num = 1; | |
e8a3ab75 | 471 | } |
6877bb43 | 472 | #endif /* OBJ_XCOFF */ |
252b5132 RH |
473 | new_line->next = line_nos; |
474 | new_line->frag = frag; | |
475 | new_line->l.line_number = num; | |
476 | new_line->l.u.offset = offset; | |
477 | line_nos = new_line; | |
478 | coff_n_line_nos++; | |
479 | } | |
480 | ||
481 | void | |
482 | coff_add_linesym (sym) | |
483 | symbolS *sym; | |
484 | { | |
485 | if (line_nos) | |
486 | { | |
49309057 ILT |
487 | coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno = |
488 | (alent *) line_nos; | |
252b5132 RH |
489 | coff_n_line_nos++; |
490 | line_nos = 0; | |
491 | } | |
492 | current_lineno_sym = sym; | |
493 | } | |
494 | ||
495 | static void | |
496 | obj_coff_ln (appline) | |
497 | int appline; | |
498 | { | |
499 | int l; | |
500 | ||
501 | if (! appline && def_symbol_in_progress != NULL) | |
502 | { | |
503 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); | |
504 | demand_empty_rest_of_line (); | |
505 | return; | |
506 | } | |
507 | ||
508 | l = get_absolute_expression (); | |
252b5132 | 509 | |
e237d851 NC |
510 | /* If there is no lineno symbol, treat a .ln |
511 | directive as if it were a .appline directive. */ | |
512 | if (appline || current_lineno_sym == NULL) | |
252b5132 | 513 | new_logical_line ((char *) NULL, l - 1); |
e237d851 NC |
514 | else |
515 | add_lineno (frag_now, frag_now_fix (), l); | |
252b5132 RH |
516 | |
517 | #ifndef NO_LISTING | |
518 | { | |
519 | extern int listing; | |
520 | ||
521 | if (listing) | |
522 | { | |
523 | if (! appline) | |
524 | l += coff_line_base - 1; | |
525 | listing_source_line (l); | |
526 | } | |
527 | } | |
528 | #endif | |
529 | ||
530 | demand_empty_rest_of_line (); | |
531 | } | |
532 | ||
28428223 ILT |
533 | /* .loc is essentially the same as .ln; parse it for assembler |
534 | compatibility. */ | |
535 | ||
536 | static void | |
537 | obj_coff_loc (ignore) | |
538 | int ignore ATTRIBUTE_UNUSED; | |
539 | { | |
540 | int lineno; | |
541 | ||
542 | /* FIXME: Why do we need this check? We need it for ECOFF, but why | |
543 | do we need it for COFF? */ | |
544 | if (now_seg != text_section) | |
545 | { | |
546 | as_warn (_(".loc outside of .text")); | |
547 | demand_empty_rest_of_line (); | |
548 | return; | |
549 | } | |
550 | ||
551 | if (def_symbol_in_progress != NULL) | |
552 | { | |
553 | as_warn (_(".loc pseudo-op inside .def/.endef: ignored.")); | |
554 | demand_empty_rest_of_line (); | |
555 | return; | |
556 | } | |
557 | ||
558 | /* Skip the file number. */ | |
559 | SKIP_WHITESPACE (); | |
560 | get_absolute_expression (); | |
561 | SKIP_WHITESPACE (); | |
562 | ||
563 | lineno = get_absolute_expression (); | |
564 | ||
565 | #ifndef NO_LISTING | |
566 | { | |
567 | extern int listing; | |
568 | ||
569 | if (listing) | |
570 | { | |
cc8a6dd0 | 571 | lineno += coff_line_base - 1; |
28428223 ILT |
572 | listing_source_line (lineno); |
573 | } | |
574 | } | |
575 | #endif | |
576 | ||
577 | demand_empty_rest_of_line (); | |
578 | ||
579 | add_lineno (frag_now, frag_now_fix (), lineno); | |
580 | } | |
581 | ||
7a6284c4 ILT |
582 | /* Handle the .ident pseudo-op. */ |
583 | ||
584 | static void | |
585 | obj_coff_ident (ignore) | |
586 | int ignore ATTRIBUTE_UNUSED; | |
587 | { | |
588 | segT current_seg = now_seg; | |
589 | subsegT current_subseg = now_subseg; | |
590 | ||
591 | #ifdef TE_PE | |
592 | { | |
593 | segT sec; | |
594 | ||
595 | /* We could put it in .comment, but that creates an extra section | |
596 | that shouldn't be loaded into memory, which requires linker | |
597 | changes... For now, until proven otherwise, use .rdata. */ | |
598 | sec = subseg_new (".rdata$zzz", 0); | |
599 | bfd_set_section_flags (stdoutput, sec, | |
600 | ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA) | |
601 | & bfd_applicable_section_flags (stdoutput))); | |
602 | } | |
603 | #else | |
604 | subseg_new (".comment", 0); | |
605 | #endif | |
606 | ||
607 | stringer (1); | |
608 | subseg_set (current_seg, current_subseg); | |
609 | } | |
610 | ||
252b5132 RH |
611 | /* |
612 | * def() | |
613 | * | |
614 | * Handle .def directives. | |
615 | * | |
616 | * One might ask : why can't we symbol_new if the symbol does not | |
617 | * already exist and fill it with debug information. Because of | |
618 | * the C_EFCN special symbol. It would clobber the value of the | |
619 | * function symbol before we have a chance to notice that it is | |
620 | * a C_EFCN. And a second reason is that the code is more clear this | |
621 | * way. (at least I think it is :-). | |
622 | * | |
623 | */ | |
624 | ||
625 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
626 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
627 | *input_line_pointer == '\t') \ | |
628 | input_line_pointer++; | |
629 | ||
630 | static void | |
631 | obj_coff_def (what) | |
c4bf532f | 632 | int what ATTRIBUTE_UNUSED; |
252b5132 RH |
633 | { |
634 | char name_end; /* Char after the end of name */ | |
635 | char *symbol_name; /* Name of the debug symbol */ | |
636 | char *symbol_name_copy; /* Temporary copy of the name */ | |
637 | unsigned int symbol_name_length; | |
638 | ||
639 | if (def_symbol_in_progress != NULL) | |
640 | { | |
641 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
642 | demand_empty_rest_of_line (); | |
643 | return; | |
644 | } /* if not inside .def/.endef */ | |
645 | ||
646 | SKIP_WHITESPACES (); | |
647 | ||
648 | symbol_name = input_line_pointer; | |
649 | #ifdef STRIP_UNDERSCORE | |
650 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
651 | symbol_name++; | |
652 | #endif /* STRIP_UNDERSCORE */ | |
653 | ||
654 | name_end = get_symbol_end (); | |
655 | symbol_name_length = strlen (symbol_name); | |
656 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
657 | strcpy (symbol_name_copy, symbol_name); | |
658 | #ifdef tc_canonicalize_symbol_name | |
659 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
660 | #endif | |
661 | ||
662 | /* Initialize the new symbol */ | |
663 | def_symbol_in_progress = symbol_make (symbol_name_copy); | |
49309057 | 664 | symbol_set_frag (def_symbol_in_progress, &zero_address_frag); |
252b5132 RH |
665 | S_SET_VALUE (def_symbol_in_progress, 0); |
666 | ||
667 | if (S_IS_STRING (def_symbol_in_progress)) | |
668 | SF_SET_STRING (def_symbol_in_progress); | |
669 | ||
670 | *input_line_pointer = name_end; | |
671 | ||
672 | demand_empty_rest_of_line (); | |
673 | } | |
674 | ||
675 | unsigned int dim_index; | |
676 | ||
677 | static void | |
678 | obj_coff_endef (ignore) | |
c4bf532f | 679 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 680 | { |
c9900432 | 681 | symbolS *symbolP = NULL; |
252b5132 RH |
682 | |
683 | /* DIM BUG FIX sac@cygnus.com */ | |
684 | dim_index = 0; | |
685 | if (def_symbol_in_progress == NULL) | |
686 | { | |
687 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
688 | demand_empty_rest_of_line (); | |
689 | return; | |
690 | } /* if not inside .def/.endef */ | |
691 | ||
dcd619be | 692 | /* Set the section number according to storage class. */ |
252b5132 RH |
693 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
694 | { | |
695 | case C_STRTAG: | |
696 | case C_ENTAG: | |
697 | case C_UNTAG: | |
698 | SF_SET_TAG (def_symbol_in_progress); | |
699 | /* intentional fallthrough */ | |
700 | case C_FILE: | |
701 | case C_TPDEF: | |
702 | SF_SET_DEBUG (def_symbol_in_progress); | |
703 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); | |
704 | break; | |
705 | ||
706 | case C_EFCN: | |
dcd619be | 707 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ |
252b5132 RH |
708 | /* intentional fallthrough */ |
709 | case C_BLOCK: | |
710 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
711 | /* intentional fallthrough */ | |
712 | case C_FCN: | |
713 | { | |
714 | CONST char *name; | |
715 | S_SET_SEGMENT (def_symbol_in_progress, text_section); | |
716 | ||
49309057 | 717 | name = S_GET_NAME (def_symbol_in_progress); |
23dab925 | 718 | if (name[0] == '.' && name[2] == 'f' && name[3] == '\0') |
cc8a6dd0 | 719 | { |
23dab925 ILT |
720 | switch (name[1]) |
721 | { | |
dcd619be | 722 | case 'b': |
23dab925 ILT |
723 | /* .bf */ |
724 | if (! in_function ()) | |
725 | as_warn (_("`%s' symbol without preceding function"), name); | |
726 | /* Will need relocating. */ | |
727 | SF_SET_PROCESS (def_symbol_in_progress); | |
728 | clear_function (); | |
729 | break; | |
730 | #ifdef TE_PE | |
dcd619be | 731 | case 'e': |
23dab925 ILT |
732 | /* .ef */ |
733 | /* The MS compilers output the actual endline, not the | |
734 | function-relative one... we want to match without | |
735 | changing the assembler input. */ | |
dcd619be | 736 | SA_SET_SYM_LNNO (def_symbol_in_progress, |
23dab925 ILT |
737 | (SA_GET_SYM_LNNO (def_symbol_in_progress) |
738 | + coff_line_base)); | |
739 | break; | |
740 | #endif | |
741 | } | |
252b5132 RH |
742 | } |
743 | } | |
744 | break; | |
745 | ||
746 | #ifdef C_AUTOARG | |
747 | case C_AUTOARG: | |
748 | #endif /* C_AUTOARG */ | |
749 | case C_AUTO: | |
750 | case C_REG: | |
751 | case C_ARG: | |
752 | case C_REGPARM: | |
753 | case C_FIELD: | |
56385375 L |
754 | |
755 | /* According to the COFF documentation: | |
756 | ||
757 | http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html | |
758 | ||
759 | A special section number (-2) marks symbolic debugging symbols, | |
760 | including structure/union/enumeration tag names, typedefs, and | |
dcd619be | 761 | the name of the file. A section number of -1 indicates that the |
56385375 | 762 | symbol has a value but is not relocatable. Examples of |
dcd619be KH |
763 | absolute-valued symbols include automatic and register variables, |
764 | function arguments, and .eos symbols. | |
56385375 L |
765 | |
766 | But from Ian Lance Taylor: | |
767 | ||
768 | http://sources.redhat.com/ml/binutils/2000-08/msg00202.html | |
769 | ||
770 | the actual tools all marked them as section -1. So the GNU COFF | |
771 | assembler follows historical COFF assemblers. | |
772 | ||
773 | However, it causes problems for djgpp | |
774 | ||
775 | http://sources.redhat.com/ml/binutils/2000-08/msg00210.html | |
776 | ||
777 | By defining STRICTCOFF, a COFF port can make the assembler to | |
dcd619be | 778 | follow the documented behavior. */ |
56385375 | 779 | #ifdef STRICTCOFF |
252b5132 RH |
780 | case C_MOS: |
781 | case C_MOE: | |
782 | case C_MOU: | |
783 | case C_EOS: | |
56385375 | 784 | #endif |
d1d8ba22 | 785 | SF_SET_DEBUG (def_symbol_in_progress); |
252b5132 RH |
786 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
787 | break; | |
788 | ||
56385375 L |
789 | #ifndef STRICTCOFF |
790 | case C_MOS: | |
791 | case C_MOE: | |
792 | case C_MOU: | |
793 | case C_EOS: | |
794 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
795 | break; | |
796 | #endif | |
797 | ||
252b5132 RH |
798 | case C_EXT: |
799 | case C_WEAKEXT: | |
800 | #ifdef TE_PE | |
801 | case C_NT_WEAK: | |
802 | #endif | |
803 | case C_STAT: | |
804 | case C_LABEL: | |
805 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
806 | break; | |
807 | ||
808 | default: | |
809 | case C_USTATIC: | |
810 | case C_EXTDEF: | |
811 | case C_ULABEL: | |
812 | as_warn (_("unexpected storage class %d"), | |
813 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
814 | break; | |
815 | } /* switch on storage class */ | |
816 | ||
817 | /* Now that we have built a debug symbol, try to find if we should | |
818 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
9690c54d ILT |
819 | absolute_section or untagged SEG_DEBUG it never merges. We also |
820 | don't merge labels, which are in a different namespace, nor | |
821 | symbols which have not yet been defined since they are typically | |
822 | unique, nor do we merge tags with non-tags. */ | |
252b5132 RH |
823 | |
824 | /* Two cases for functions. Either debug followed by definition or | |
825 | definition followed by debug. For definition first, we will | |
826 | merge the debug symbol into the definition. For debug first, the | |
827 | lineno entry MUST point to the definition function or else it | |
828 | will point off into space when obj_crawl_symbol_chain() merges | |
829 | the debug symbol into the real symbol. Therefor, let's presume | |
dcd619be | 830 | the debug symbol is a real function reference. */ |
252b5132 RH |
831 | |
832 | /* FIXME-SOON If for some reason the definition label/symbol is | |
833 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 834 | time. */ |
252b5132 RH |
835 | |
836 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
9690c54d | 837 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL |
252b5132 RH |
838 | || (!strcmp (bfd_get_section_name (stdoutput, |
839 | S_GET_SEGMENT (def_symbol_in_progress)), | |
840 | "*DEBUG*") | |
841 | && !SF_GET_TAG (def_symbol_in_progress)) | |
842 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
9690c54d ILT |
843 | || ! symbol_constant_p (def_symbol_in_progress) |
844 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
cc8a6dd0 | 845 | DO_NOT_STRIP)) == NULL |
9690c54d | 846 | || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)) |
252b5132 | 847 | { |
9690c54d | 848 | /* If it already is at the end of the symbol list, do nothing */ |
252b5132 | 849 | if (def_symbol_in_progress != symbol_lastP) |
cc8a6dd0 | 850 | { |
9690c54d ILT |
851 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
852 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
853 | &symbol_lastP); | |
cc8a6dd0 | 854 | } |
252b5132 RH |
855 | } |
856 | else | |
857 | { | |
858 | /* This symbol already exists, merge the newly created symbol | |
859 | into the old one. This is not mandatory. The linker can | |
860 | handle duplicate symbols correctly. But I guess that it save | |
861 | a *lot* of space if the assembly file defines a lot of | |
862 | symbols. [loic] */ | |
863 | ||
864 | /* The debug entry (def_symbol_in_progress) is merged into the | |
dcd619be | 865 | previous definition. */ |
252b5132 RH |
866 | |
867 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
868 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
869 | ||
870 | def_symbol_in_progress = symbolP; | |
871 | ||
872 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
873 | || SF_GET_TAG (def_symbol_in_progress) | |
874 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
875 | { | |
876 | /* For functions, and tags, and static symbols, the symbol | |
877 | *must* be where the debug symbol appears. Move the | |
dcd619be | 878 | existing symbol to the current place. */ |
252b5132 RH |
879 | /* If it already is at the end of the symbol list, do nothing */ |
880 | if (def_symbol_in_progress != symbol_lastP) | |
881 | { | |
882 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
883 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
884 | } | |
885 | } | |
886 | } | |
887 | ||
888 | if (SF_GET_TAG (def_symbol_in_progress)) | |
889 | { | |
890 | symbolS *oldtag; | |
891 | ||
892 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
893 | DO_NOT_STRIP); | |
894 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
895 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
896 | def_symbol_in_progress); | |
897 | } | |
898 | ||
899 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
900 | { | |
901 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
902 | set_function (def_symbol_in_progress); | |
903 | SF_SET_PROCESS (def_symbol_in_progress); | |
904 | ||
905 | if (symbolP == NULL) | |
906 | { | |
907 | /* That is, if this is the first time we've seen the | |
dcd619be | 908 | function... */ |
252b5132 RH |
909 | symbol_table_insert (def_symbol_in_progress); |
910 | } /* definition follows debug */ | |
911 | } /* Create the line number entry pointing to the function being defined */ | |
912 | ||
913 | def_symbol_in_progress = NULL; | |
914 | demand_empty_rest_of_line (); | |
915 | } | |
916 | ||
917 | static void | |
918 | obj_coff_dim (ignore) | |
c4bf532f | 919 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
920 | { |
921 | int dim_index; | |
922 | ||
923 | if (def_symbol_in_progress == NULL) | |
924 | { | |
925 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
926 | demand_empty_rest_of_line (); | |
927 | return; | |
928 | } /* if not inside .def/.endef */ | |
929 | ||
930 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
931 | ||
932 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
933 | { | |
934 | SKIP_WHITESPACES (); | |
935 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
936 | get_absolute_expression ()); | |
937 | ||
938 | switch (*input_line_pointer) | |
939 | { | |
940 | case ',': | |
941 | input_line_pointer++; | |
942 | break; | |
943 | ||
944 | default: | |
945 | as_warn (_("badly formed .dim directive ignored")); | |
946 | /* intentional fallthrough */ | |
947 | case '\n': | |
948 | case ';': | |
949 | dim_index = DIMNUM; | |
950 | break; | |
951 | } | |
952 | } | |
953 | ||
954 | demand_empty_rest_of_line (); | |
955 | } | |
956 | ||
957 | static void | |
958 | obj_coff_line (ignore) | |
c4bf532f | 959 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
960 | { |
961 | int this_base; | |
962 | ||
963 | if (def_symbol_in_progress == NULL) | |
964 | { | |
965 | /* Probably stabs-style line? */ | |
966 | obj_coff_ln (0); | |
967 | return; | |
968 | } | |
969 | ||
970 | this_base = get_absolute_expression (); | |
971 | if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress))) | |
972 | coff_line_base = this_base; | |
973 | ||
974 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
23dab925 | 975 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); |
252b5132 RH |
976 | |
977 | demand_empty_rest_of_line (); | |
978 | ||
979 | #ifndef NO_LISTING | |
980 | if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0) | |
981 | { | |
982 | extern int listing; | |
983 | ||
984 | if (listing) | |
23dab925 | 985 | listing_source_line ((unsigned int) this_base); |
252b5132 RH |
986 | } |
987 | #endif | |
988 | } | |
989 | ||
990 | static void | |
991 | obj_coff_size (ignore) | |
c4bf532f | 992 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
993 | { |
994 | if (def_symbol_in_progress == NULL) | |
995 | { | |
996 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
997 | demand_empty_rest_of_line (); | |
998 | return; | |
999 | } /* if not inside .def/.endef */ | |
1000 | ||
1001 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
1002 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
1003 | demand_empty_rest_of_line (); | |
1004 | } | |
1005 | ||
1006 | static void | |
1007 | obj_coff_scl (ignore) | |
c4bf532f | 1008 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1009 | { |
1010 | if (def_symbol_in_progress == NULL) | |
1011 | { | |
1012 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
1013 | demand_empty_rest_of_line (); | |
1014 | return; | |
1015 | } /* if not inside .def/.endef */ | |
1016 | ||
1017 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
1018 | demand_empty_rest_of_line (); | |
1019 | } | |
1020 | ||
1021 | static void | |
1022 | obj_coff_tag (ignore) | |
c4bf532f | 1023 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1024 | { |
1025 | char *symbol_name; | |
1026 | char name_end; | |
1027 | ||
1028 | if (def_symbol_in_progress == NULL) | |
1029 | { | |
1030 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
1031 | demand_empty_rest_of_line (); | |
1032 | return; | |
1033 | } | |
1034 | ||
1035 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
1036 | symbol_name = input_line_pointer; | |
1037 | name_end = get_symbol_end (); | |
1038 | ||
1039 | #ifdef tc_canonicalize_symbol_name | |
1040 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
1041 | #endif | |
1042 | ||
1043 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 1044 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
1045 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
1046 | tag_find_or_make (symbol_name)); | |
1047 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
1048 | { | |
1049 | as_warn (_("tag not found for .tag %s"), symbol_name); | |
1050 | } /* not defined */ | |
1051 | ||
1052 | SF_SET_TAGGED (def_symbol_in_progress); | |
1053 | *input_line_pointer = name_end; | |
1054 | ||
1055 | demand_empty_rest_of_line (); | |
1056 | } | |
1057 | ||
1058 | static void | |
1059 | obj_coff_type (ignore) | |
c4bf532f | 1060 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1061 | { |
1062 | if (def_symbol_in_progress == NULL) | |
1063 | { | |
1064 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
1065 | demand_empty_rest_of_line (); | |
1066 | return; | |
1067 | } /* if not inside .def/.endef */ | |
1068 | ||
1069 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
1070 | ||
1071 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
1072 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
1073 | { | |
1074 | SF_SET_FUNCTION (def_symbol_in_progress); | |
1075 | } /* is a function */ | |
1076 | ||
1077 | demand_empty_rest_of_line (); | |
1078 | } | |
1079 | ||
1080 | static void | |
1081 | obj_coff_val (ignore) | |
c4bf532f | 1082 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1083 | { |
1084 | if (def_symbol_in_progress == NULL) | |
1085 | { | |
1086 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
1087 | demand_empty_rest_of_line (); | |
1088 | return; | |
1089 | } /* if not inside .def/.endef */ | |
1090 | ||
1091 | if (is_name_beginner (*input_line_pointer)) | |
1092 | { | |
1093 | char *symbol_name = input_line_pointer; | |
1094 | char name_end = get_symbol_end (); | |
1095 | ||
1096 | #ifdef tc_canonicalize_symbol_name | |
1097 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
1098 | #endif | |
1099 | if (!strcmp (symbol_name, ".")) | |
1100 | { | |
49309057 | 1101 | symbol_set_frag (def_symbol_in_progress, frag_now); |
252b5132 RH |
1102 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
1103 | /* If the .val is != from the .def (e.g. statics) */ | |
1104 | } | |
1105 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
1106 | { | |
49309057 ILT |
1107 | expressionS exp; |
1108 | ||
1109 | exp.X_op = O_symbol; | |
1110 | exp.X_add_symbol = symbol_find_or_make (symbol_name); | |
1111 | exp.X_op_symbol = NULL; | |
1112 | exp.X_add_number = 0; | |
1113 | symbol_set_value_expression (def_symbol_in_progress, &exp); | |
252b5132 RH |
1114 | |
1115 | /* If the segment is undefined when the forward reference is | |
1116 | resolved, then copy the segment id from the forward | |
1117 | symbol. */ | |
1118 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
0561a208 ILT |
1119 | |
1120 | /* FIXME: gcc can generate address expressions here in | |
1121 | unusual cases (search for "obscure" in sdbout.c). We | |
1122 | just ignore the offset here, thus generating incorrect | |
1123 | debugging information. We ignore the rest of the line | |
1124 | just below. */ | |
252b5132 | 1125 | } |
0561a208 | 1126 | /* Otherwise, it is the name of a non debug symbol and its value |
dcd619be | 1127 | will be calculated later. */ |
252b5132 RH |
1128 | *input_line_pointer = name_end; |
1129 | } | |
1130 | else | |
1131 | { | |
1132 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
1133 | } /* if symbol based */ | |
1134 | ||
1135 | demand_empty_rest_of_line (); | |
1136 | } | |
1137 | ||
1138 | void | |
1139 | coff_obj_read_begin_hook () | |
1140 | { | |
dcd619be | 1141 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
1142 | #ifndef BFD_HEADERS |
1143 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
1144 | know (SYMESZ == AUXESZ); | |
1145 | #endif | |
1146 | tag_init (); | |
1147 | } | |
1148 | ||
252b5132 RH |
1149 | symbolS *coff_last_function; |
1150 | static symbolS *coff_last_bf; | |
1151 | ||
1152 | void | |
1153 | coff_frob_symbol (symp, punt) | |
1154 | symbolS *symp; | |
1155 | int *punt; | |
1156 | { | |
1157 | static symbolS *last_tagP; | |
1158 | static stack *block_stack; | |
1159 | static symbolS *set_end; | |
1160 | symbolS *next_set_end = NULL; | |
1161 | ||
1162 | if (symp == &abs_symbol) | |
1163 | { | |
1164 | *punt = 1; | |
1165 | return; | |
1166 | } | |
1167 | ||
1168 | if (current_lineno_sym) | |
1169 | coff_add_linesym ((symbolS *) 0); | |
1170 | ||
1171 | if (!block_stack) | |
1172 | block_stack = stack_init (512, sizeof (symbolS*)); | |
1173 | ||
1174 | if (S_IS_WEAK (symp)) | |
1175 | { | |
1176 | #ifdef TE_PE | |
1177 | S_SET_STORAGE_CLASS (symp, C_NT_WEAK); | |
1178 | #else | |
1179 | S_SET_STORAGE_CLASS (symp, C_WEAKEXT); | |
1180 | #endif | |
1181 | } | |
1182 | ||
1183 | if (!S_IS_DEFINED (symp) | |
1184 | && !S_IS_WEAK (symp) | |
1185 | && S_GET_STORAGE_CLASS (symp) != C_STAT) | |
1186 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1187 | ||
1188 | if (!SF_GET_DEBUG (symp)) | |
1189 | { | |
bdbe95c8 NC |
1190 | symbolS * real; |
1191 | ||
252b5132 RH |
1192 | if (!SF_GET_LOCAL (symp) |
1193 | && !SF_GET_STATICS (symp) | |
39da8128 DD |
1194 | && S_GET_STORAGE_CLASS (symp) != C_LABEL |
1195 | && symbol_constant_p(symp) | |
252b5132 | 1196 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) |
bdbe95c8 | 1197 | && S_GET_STORAGE_CLASS (real) == C_NULL |
252b5132 RH |
1198 | && real != symp) |
1199 | { | |
1200 | c_symbol_merge (symp, real); | |
1201 | *punt = 1; | |
39da8128 | 1202 | return; |
252b5132 | 1203 | } |
bdbe95c8 | 1204 | |
5e0d736c | 1205 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) |
252b5132 | 1206 | { |
5e0d736c DD |
1207 | assert (S_GET_VALUE (symp) == 0); |
1208 | S_SET_EXTERNAL (symp); | |
1209 | } | |
1210 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
1211 | { | |
1212 | if (S_GET_SEGMENT (symp) == text_section | |
1213 | && symp != seg_info (text_section)->sym) | |
1214 | S_SET_STORAGE_CLASS (symp, C_LABEL); | |
252b5132 | 1215 | else |
5e0d736c | 1216 | S_SET_STORAGE_CLASS (symp, C_STAT); |
252b5132 | 1217 | } |
bdbe95c8 | 1218 | |
252b5132 RH |
1219 | if (SF_GET_PROCESS (symp)) |
1220 | { | |
1221 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
1222 | { | |
1223 | if (!strcmp (S_GET_NAME (symp), ".bb")) | |
1224 | stack_push (block_stack, (char *) &symp); | |
1225 | else | |
1226 | { | |
1227 | symbolS *begin; | |
bdbe95c8 | 1228 | |
252b5132 RH |
1229 | begin = *(symbolS **) stack_pop (block_stack); |
1230 | if (begin == 0) | |
1231 | as_warn (_("mismatched .eb")); | |
1232 | else | |
1233 | next_set_end = begin; | |
1234 | } | |
1235 | } | |
bdbe95c8 | 1236 | |
252b5132 RH |
1237 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
1238 | { | |
1239 | union internal_auxent *auxp; | |
bdbe95c8 | 1240 | |
252b5132 RH |
1241 | coff_last_function = symp; |
1242 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) | |
1243 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
0561a208 | 1244 | auxp = SYM_AUXENT (symp); |
252b5132 RH |
1245 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, |
1246 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
1247 | } | |
bdbe95c8 | 1248 | |
252b5132 RH |
1249 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) |
1250 | { | |
1251 | if (coff_last_function == 0) | |
1252 | as_fatal (_("C_EFCN symbol out of scope")); | |
1253 | SA_SET_SYM_FSIZE (coff_last_function, | |
1254 | (long) (S_GET_VALUE (symp) | |
1255 | - S_GET_VALUE (coff_last_function))); | |
1256 | next_set_end = coff_last_function; | |
1257 | coff_last_function = 0; | |
1258 | } | |
1259 | } | |
bdbe95c8 | 1260 | |
252b5132 RH |
1261 | if (S_IS_EXTERNAL (symp)) |
1262 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1263 | else if (SF_GET_LOCAL (symp)) | |
1264 | *punt = 1; | |
1265 | ||
1266 | if (SF_GET_FUNCTION (symp)) | |
49309057 | 1267 | symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION; |
252b5132 | 1268 | |
dcd619be | 1269 | /* more ... */ |
252b5132 RH |
1270 | } |
1271 | ||
8828d862 ILT |
1272 | /* Double check weak symbols. */ |
1273 | if (S_IS_WEAK (symp) && S_IS_COMMON (symp)) | |
1274 | as_bad (_("Symbol `%s' can not be both weak and common"), | |
1275 | S_GET_NAME (symp)); | |
1276 | ||
252b5132 RH |
1277 | if (SF_GET_TAG (symp)) |
1278 | last_tagP = symp; | |
1279 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
1280 | next_set_end = last_tagP; | |
1281 | ||
1282 | #ifdef OBJ_XCOFF | |
1283 | /* This is pretty horrible, but we have to set *punt correctly in | |
1284 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
809ffe0d | 1285 | if (! symbol_used_in_reloc_p (symp) |
49309057 | 1286 | && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0 |
252b5132 | 1287 | || (! S_IS_EXTERNAL (symp) |
809ffe0d | 1288 | && ! symbol_get_tc (symp)->output |
252b5132 RH |
1289 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) |
1290 | *punt = 1; | |
1291 | #endif | |
1292 | ||
1293 | if (set_end != (symbolS *) NULL | |
1294 | && ! *punt | |
49309057 | 1295 | && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0 |
252b5132 RH |
1296 | || (S_IS_DEFINED (symp) |
1297 | && ! S_IS_COMMON (symp) | |
1298 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
1299 | { | |
1300 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1301 | set_end = NULL; | |
1302 | } | |
1303 | ||
a04b544b ILT |
1304 | if (next_set_end != NULL) |
1305 | { | |
1306 | if (set_end != NULL) | |
1307 | as_warn ("Warning: internal error: forgetting to set endndx of %s", | |
1308 | S_GET_NAME (set_end)); | |
1309 | set_end = next_set_end; | |
1310 | } | |
252b5132 | 1311 | |
8642cce8 | 1312 | #ifndef OBJ_XCOFF |
252b5132 RH |
1313 | if (! *punt |
1314 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
1315 | && strcmp (S_GET_NAME (symp), ".bf") == 0) | |
1316 | { | |
1317 | if (coff_last_bf != NULL) | |
1318 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1319 | coff_last_bf = symp; | |
1320 | } | |
8642cce8 | 1321 | #endif |
49309057 | 1322 | if (coffsymbol (symbol_get_bfdsym (symp))->lineno) |
252b5132 RH |
1323 | { |
1324 | int i; | |
1325 | struct line_no *lptr; | |
1326 | alent *l; | |
1327 | ||
49309057 | 1328 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1329 | for (i = 0; lptr; lptr = lptr->next) |
1330 | i++; | |
49309057 | 1331 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1332 | |
1333 | /* We need i entries for line numbers, plus 1 for the first | |
1334 | entry which BFD will override, plus 1 for the last zero | |
1335 | entry (a marker for BFD). */ | |
1336 | l = (alent *) xmalloc ((i + 2) * sizeof (alent)); | |
49309057 | 1337 | coffsymbol (symbol_get_bfdsym (symp))->lineno = l; |
252b5132 RH |
1338 | l[i + 1].line_number = 0; |
1339 | l[i + 1].u.sym = NULL; | |
1340 | for (; i > 0; i--) | |
1341 | { | |
1342 | if (lptr->frag) | |
bea9907b | 1343 | lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE; |
252b5132 RH |
1344 | l[i] = lptr->l; |
1345 | lptr = lptr->next; | |
1346 | } | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | void | |
1351 | coff_adjust_section_syms (abfd, sec, x) | |
c4bf532f | 1352 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 1353 | asection *sec; |
c4bf532f | 1354 | PTR x ATTRIBUTE_UNUSED; |
252b5132 RH |
1355 | { |
1356 | symbolS *secsym; | |
1357 | segment_info_type *seginfo = seg_info (sec); | |
1358 | int nlnno, nrelocs = 0; | |
1359 | ||
1360 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in | |
1361 | tc-ppc.c. Do not get confused by it. */ | |
1362 | if (seginfo == NULL) | |
1363 | return; | |
1364 | ||
1365 | if (!strcmp (sec->name, ".text")) | |
1366 | nlnno = coff_n_line_nos; | |
1367 | else | |
1368 | nlnno = 0; | |
1369 | { | |
1370 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1371 | entry... */ | |
1372 | fixS *fixp = seginfo->fix_root; | |
1373 | while (fixp) | |
1374 | { | |
1375 | if (! fixp->fx_done) | |
1376 | nrelocs++; | |
1377 | fixp = fixp->fx_next; | |
1378 | } | |
1379 | } | |
1380 | if (bfd_get_section_size_before_reloc (sec) == 0 | |
1381 | && nrelocs == 0 | |
1382 | && nlnno == 0 | |
1383 | && sec != text_section | |
1384 | && sec != data_section | |
1385 | && sec != bss_section) | |
1386 | return; | |
1387 | secsym = section_symbol (sec); | |
945a1a6b ILT |
1388 | /* This is an estimate; we'll plug in the real value using |
1389 | SET_SECTION_RELOCS later */ | |
252b5132 RH |
1390 | SA_SET_SCN_NRELOC (secsym, nrelocs); |
1391 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1392 | } | |
1393 | ||
1394 | void | |
1395 | coff_frob_file_after_relocs () | |
1396 | { | |
1397 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0); | |
1398 | } | |
1399 | ||
6ff96af6 NC |
1400 | /* Implement the .section pseudo op: |
1401 | .section name {, "flags"} | |
1402 | ^ ^ | |
1403 | | +--- optional flags: 'b' for bss | |
1404 | | 'i' for info | |
1405 | +-- section name 'l' for lib | |
1406 | 'n' for noload | |
1407 | 'o' for over | |
1408 | 'w' for data | |
1409 | 'd' (apparently m88k for data) | |
1410 | 'x' for text | |
1411 | 'r' for read-only data | |
1412 | 's' for shared data (PE) | |
1413 | But if the argument is not a quoted string, treat it as a | |
1414 | subsegment number. | |
1415 | ||
1416 | Note the 'a' flag is silently ignored. This allows the same | |
1417 | .section directive to be parsed in both ELF and COFF formats. */ | |
252b5132 RH |
1418 | |
1419 | void | |
1420 | obj_coff_section (ignore) | |
c4bf532f | 1421 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1422 | { |
1423 | /* Strip out the section name */ | |
1424 | char *section_name; | |
1425 | char c; | |
1426 | char *name; | |
1427 | unsigned int exp; | |
c9900432 | 1428 | flagword flags, oldflags; |
252b5132 RH |
1429 | asection *sec; |
1430 | ||
1431 | if (flag_mri) | |
1432 | { | |
1433 | char type; | |
1434 | ||
1435 | s_mri_sect (&type); | |
1436 | return; | |
1437 | } | |
1438 | ||
1439 | section_name = input_line_pointer; | |
1440 | c = get_symbol_end (); | |
1441 | ||
1442 | name = xmalloc (input_line_pointer - section_name + 1); | |
1443 | strcpy (name, section_name); | |
1444 | ||
1445 | *input_line_pointer = c; | |
1446 | ||
1447 | SKIP_WHITESPACE (); | |
1448 | ||
1449 | exp = 0; | |
c9900432 | 1450 | flags = SEC_NO_FLAGS; |
252b5132 RH |
1451 | |
1452 | if (*input_line_pointer == ',') | |
1453 | { | |
1454 | ++input_line_pointer; | |
1455 | SKIP_WHITESPACE (); | |
1456 | if (*input_line_pointer != '"') | |
1457 | exp = get_absolute_expression (); | |
1458 | else | |
1459 | { | |
1460 | ++input_line_pointer; | |
1461 | while (*input_line_pointer != '"' | |
1462 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1463 | { | |
1464 | switch (*input_line_pointer) | |
1465 | { | |
1466 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1af96959 | 1467 | case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break; |
5881e4aa ILT |
1468 | case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */ |
1469 | case 'w': flags &=~ SEC_READONLY; break; | |
6ff96af6 | 1470 | case 'a': break; /* For compatability with ELF. */ |
5881e4aa | 1471 | case 'x': flags |= SEC_CODE | SEC_LOAD; break; |
252b5132 | 1472 | case 'r': flags |= SEC_READONLY; break; |
2dcc60be | 1473 | case 's': flags |= SEC_SHARED; break; |
252b5132 RH |
1474 | |
1475 | case 'i': /* STYP_INFO */ | |
1476 | case 'l': /* STYP_LIB */ | |
1477 | case 'o': /* STYP_OVER */ | |
1478 | as_warn (_("unsupported section attribute '%c'"), | |
1479 | *input_line_pointer); | |
1480 | break; | |
1481 | ||
1482 | default: | |
1483 | as_warn(_("unknown section attribute '%c'"), | |
1484 | *input_line_pointer); | |
1485 | break; | |
1486 | } | |
1487 | ++input_line_pointer; | |
1488 | } | |
1489 | if (*input_line_pointer == '"') | |
1490 | ++input_line_pointer; | |
1491 | } | |
1492 | } | |
1493 | ||
1494 | sec = subseg_new (name, (subsegT) exp); | |
1495 | ||
c9900432 NC |
1496 | oldflags = bfd_get_section_flags (stdoutput, sec); |
1497 | if (oldflags == SEC_NO_FLAGS) | |
252b5132 | 1498 | { |
c9900432 NC |
1499 | /* Set section flags for a new section just created by subseg_new. |
1500 | Provide a default if no flags were parsed. */ | |
1501 | if (flags == SEC_NO_FLAGS) | |
1ad5eac0 | 1502 | flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES; |
dcd619be | 1503 | |
c9900432 NC |
1504 | #ifdef COFF_LONG_SECTION_NAMES |
1505 | /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce | |
1506 | sections so adjust_reloc_syms in write.c will correctly handle | |
1507 | relocs which refer to non-local symbols in these sections. */ | |
814f6641 | 1508 | if (strncmp (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1) == 0) |
cc8a6dd0 | 1509 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
c9900432 | 1510 | #endif |
252b5132 RH |
1511 | |
1512 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
cc8a6dd0 KH |
1513 | as_warn (_("error setting flags for \"%s\": %s"), |
1514 | bfd_section_name (stdoutput, sec), | |
1515 | bfd_errmsg (bfd_get_error ())); | |
c9900432 NC |
1516 | } |
1517 | else if (flags != SEC_NO_FLAGS) | |
1518 | { | |
1519 | /* This section's attributes have already been set. Warn if the | |
1520 | attributes don't match. */ | |
5dd0794d AM |
1521 | flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE |
1522 | | SEC_DATA | SEC_SHARED | SEC_NEVER_LOAD); | |
c9900432 NC |
1523 | if ((flags ^ oldflags) & matchflags) |
1524 | as_warn (_("Ignoring changed section attributes for %s"), name); | |
252b5132 RH |
1525 | } |
1526 | ||
1527 | demand_empty_rest_of_line (); | |
1528 | } | |
1529 | ||
1530 | void | |
1531 | coff_adjust_symtab () | |
1532 | { | |
1533 | if (symbol_rootP == NULL | |
1534 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
1535 | c_dot_file_symbol ("fake"); | |
1536 | } | |
1537 | ||
1538 | void | |
1539 | coff_frob_section (sec) | |
1540 | segT sec; | |
1541 | { | |
1542 | segT strsec; | |
1543 | char *p; | |
1544 | fragS *fragp; | |
1545 | bfd_vma size, n_entries, mask; | |
bea9907b | 1546 | bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER; |
252b5132 RH |
1547 | |
1548 | /* The COFF back end in BFD requires that all section sizes be | |
bea9907b TW |
1549 | rounded up to multiples of the corresponding section alignments, |
1550 | supposedly because standard COFF has no other way of encoding alignment | |
1551 | for sections. If your COFF flavor has a different way of encoding | |
dcd619be | 1552 | section alignment, then skip this step, as TICOFF does. */ |
252b5132 | 1553 | size = bfd_get_section_size_before_reloc (sec); |
bea9907b TW |
1554 | mask = ((bfd_vma) 1 << align_power) - 1; |
1555 | #if !defined(TICOFF) | |
252b5132 RH |
1556 | if (size & mask) |
1557 | { | |
7f788821 NC |
1558 | bfd_vma new_size; |
1559 | fragS *last; | |
dcd619be | 1560 | |
7f788821 NC |
1561 | new_size = (size + mask) & ~mask; |
1562 | bfd_set_section_size (stdoutput, sec, new_size); | |
1563 | ||
1564 | /* If the size had to be rounded up, add some padding in | |
1565 | the last non-empty frag. */ | |
1566 | fragp = seg_info (sec)->frchainP->frch_root; | |
1567 | last = seg_info (sec)->frchainP->frch_last; | |
1568 | while (fragp->fr_next != last) | |
cc8a6dd0 | 1569 | fragp = fragp->fr_next; |
7f788821 NC |
1570 | last->fr_address = size; |
1571 | fragp->fr_offset += new_size - size; | |
252b5132 | 1572 | } |
bea9907b | 1573 | #endif |
252b5132 RH |
1574 | |
1575 | /* If the section size is non-zero, the section symbol needs an aux | |
1576 | entry associated with it, indicating the size. We don't know | |
1577 | all the values yet; coff_frob_symbol will fill them in later. */ | |
bea9907b | 1578 | #ifndef TICOFF |
252b5132 RH |
1579 | if (size != 0 |
1580 | || sec == text_section | |
1581 | || sec == data_section | |
1582 | || sec == bss_section) | |
bea9907b | 1583 | #endif |
252b5132 RH |
1584 | { |
1585 | symbolS *secsym = section_symbol (sec); | |
1586 | ||
1587 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1588 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1589 | SF_SET_STATICS (secsym); | |
1590 | SA_SET_SCN_SCNLEN (secsym, size); | |
1591 | } | |
1592 | ||
1593 | /* @@ these should be in a "stabs.h" file, or maybe as.h */ | |
1594 | #ifndef STAB_SECTION_NAME | |
1595 | #define STAB_SECTION_NAME ".stab" | |
1596 | #endif | |
1597 | #ifndef STAB_STRING_SECTION_NAME | |
1598 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1599 | #endif | |
1600 | if (strcmp (STAB_STRING_SECTION_NAME, sec->name)) | |
1601 | return; | |
1602 | ||
1603 | strsec = sec; | |
1604 | sec = subseg_get (STAB_SECTION_NAME, 0); | |
1605 | /* size is already rounded up, since other section will be listed first */ | |
1606 | size = bfd_get_section_size_before_reloc (strsec); | |
1607 | ||
1608 | n_entries = bfd_get_section_size_before_reloc (sec) / 12 - 1; | |
1609 | ||
1610 | /* Find first non-empty frag. It should be large enough. */ | |
1611 | fragp = seg_info (sec)->frchainP->frch_root; | |
1612 | while (fragp && fragp->fr_fix == 0) | |
1613 | fragp = fragp->fr_next; | |
1614 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1615 | ||
1616 | /* Store the values. */ | |
1617 | p = fragp->fr_literal; | |
1618 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1619 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1620 | } | |
1621 | ||
1622 | void | |
1623 | obj_coff_init_stab_section (seg) | |
1624 | segT seg; | |
1625 | { | |
1626 | char *file; | |
1627 | char *p; | |
1628 | char *stabstr_name; | |
1629 | unsigned int stroff; | |
1630 | ||
dcd619be | 1631 | /* Make space for this first symbol. */ |
252b5132 | 1632 | p = frag_more (12); |
dcd619be | 1633 | /* Zero it out. */ |
252b5132 RH |
1634 | memset (p, 0, 12); |
1635 | as_where (&file, (unsigned int *) NULL); | |
23deb923 | 1636 | stabstr_name = (char *) xmalloc (strlen (seg->name) + 4); |
252b5132 RH |
1637 | strcpy (stabstr_name, seg->name); |
1638 | strcat (stabstr_name, "str"); | |
1639 | stroff = get_stab_string_offset (file, stabstr_name); | |
1640 | know (stroff == 1); | |
1641 | md_number_to_chars (p, stroff, 4); | |
1642 | } | |
1643 | ||
1644 | #ifdef DEBUG | |
1645 | /* for debugging */ | |
1646 | const char * | |
1647 | s_get_name (s) | |
1648 | symbolS *s; | |
1649 | { | |
1650 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); | |
1651 | } | |
1652 | ||
1653 | void | |
1654 | symbol_dump () | |
1655 | { | |
1656 | symbolS *symbolP; | |
1657 | ||
1658 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
1659 | { | |
814f6641 | 1660 | printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"), |
252b5132 RH |
1661 | (unsigned long) symbolP, |
1662 | S_GET_NAME(symbolP), | |
1663 | (long) S_GET_DATA_TYPE(symbolP), | |
1664 | S_GET_STORAGE_CLASS(symbolP), | |
1665 | (int) S_GET_SEGMENT(symbolP)); | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | #endif /* DEBUG */ | |
1670 | ||
1671 | #else /* not BFD_ASSEMBLER */ | |
1672 | ||
1673 | #include "frags.h" | |
dcd619be | 1674 | /* This is needed because we include internal bfd things. */ |
252b5132 RH |
1675 | #include <time.h> |
1676 | ||
1677 | #include "libbfd.h" | |
1678 | #include "libcoff.h" | |
1679 | ||
1680 | #ifdef TE_PE | |
1681 | #include "coff/pe.h" | |
1682 | #endif | |
1683 | ||
1684 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so | |
1685 | that we can stick sections together without causing trouble. */ | |
1686 | #ifndef NOP_OPCODE | |
1687 | #define NOP_OPCODE 0x00 | |
1688 | #endif | |
1689 | ||
1690 | /* The zeroes if symbol name is longer than 8 chars */ | |
1691 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1692 | ||
1693 | #define MIN(a,b) ((a) < (b)? (a) : (b)) | |
a04b544b ILT |
1694 | |
1695 | /* This vector is used to turn a gas internal segment number into a | |
1696 | section number suitable for insertion into a coff symbol table. | |
1697 | This must correspond to seg_info_off_by_4. */ | |
252b5132 RH |
1698 | |
1699 | const short seg_N_TYPE[] = | |
1700 | { /* in: segT out: N_TYPE bits */ | |
1701 | C_ABS_SECTION, | |
1702 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
1703 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1704 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1705 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1706 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ | |
1707 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1708 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1709 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1710 | C_NTV_SECTION, /* SEG_NTV */ | |
1711 | C_PTV_SECTION, /* SEG_PTV */ | |
1712 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1713 | }; | |
1714 | ||
1715 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1716 | started (the odd entry for line #0) */ | |
1717 | ||
f8e42b8c | 1718 | /* Structure used to keep the filenames which |
252b5132 | 1719 | are too long around so that we can stick them |
f8e42b8c | 1720 | into the string table. */ |
dcd619be | 1721 | struct filename_list |
252b5132 RH |
1722 | { |
1723 | char *filename; | |
1724 | struct filename_list *next; | |
1725 | }; | |
1726 | ||
1727 | static struct filename_list *filename_list_head; | |
1728 | static struct filename_list *filename_list_tail; | |
1729 | ||
1730 | static symbolS *last_line_symbol; | |
1731 | ||
1732 | /* Add 4 to the real value to get the index and compensate the | |
1733 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
f8e42b8c | 1734 | section number into a segment number. */ |
252b5132 | 1735 | |
252b5132 | 1736 | bfd *abfd; |
f8e42b8c NC |
1737 | static symbolS *previous_file_symbol; |
1738 | static int line_base; | |
252b5132 | 1739 | |
f8e42b8c NC |
1740 | void c_symbol_merge PARAMS ((symbolS *, symbolS *)); |
1741 | symbolS *c_section_symbol PARAMS ((char *, int)); | |
1742 | void obj_coff_section PARAMS ((int)); | |
1743 | void do_relocs_for PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1744 | char * symbol_to_chars PARAMS ((bfd *, char *, symbolS *)); | |
1745 | void w_strings PARAMS ((char *)); | |
1746 | ||
1747 | static void fixup_segment PARAMS ((segment_info_type *, segT)); | |
1748 | static void fixup_mdeps PARAMS ((fragS *, object_headers *, segT)); | |
1749 | static void fill_section PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1750 | static int c_line_new PARAMS ((symbolS *, long, int, fragS *)); | |
1751 | static void w_symbols PARAMS ((bfd *, char *, symbolS *)); | |
1752 | static void adjust_stab_section PARAMS ((bfd *, segT)); | |
252b5132 RH |
1753 | static void obj_coff_lcomm PARAMS ((int)); |
1754 | static void obj_coff_text PARAMS ((int)); | |
1755 | static void obj_coff_data PARAMS ((int)); | |
f8e42b8c NC |
1756 | static unsigned int count_entries_in_chain PARAMS ((unsigned int)); |
1757 | static void coff_header_append PARAMS ((bfd *, object_headers *)); | |
1758 | static unsigned int yank_symbols PARAMS ((void)); | |
1759 | static unsigned int glue_symbols PARAMS ((symbolS **, symbolS **)); | |
1760 | static unsigned int tie_tags PARAMS ((void)); | |
1761 | static void crawl_symbols PARAMS ((object_headers *, bfd *)); | |
1762 | static void do_linenos_for PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1763 | static void remove_subsegs PARAMS ((void)); | |
1764 | ||
1765 | ||
252b5132 | 1766 | |
a04b544b | 1767 | /* When not using BFD_ASSEMBLER, we permit up to 40 sections. |
252b5132 | 1768 | |
a04b544b ILT |
1769 | This array maps a COFF section number into a gas section number. |
1770 | Because COFF uses negative section numbers, you must add 4 to the | |
1771 | COFF section number when indexing into this array; this is done via | |
1772 | the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to | |
1773 | seg_N_TYPE. */ | |
252b5132 | 1774 | |
a04b544b | 1775 | static const segT seg_info_off_by_4[] = |
252b5132 | 1776 | { |
a04b544b ILT |
1777 | SEG_PTV, |
1778 | SEG_NTV, | |
1779 | SEG_DEBUG, | |
1780 | SEG_ABSOLUTE, | |
1781 | SEG_UNKNOWN, | |
1782 | SEG_E0, SEG_E1, SEG_E2, SEG_E3, SEG_E4, | |
1783 | SEG_E5, SEG_E6, SEG_E7, SEG_E8, SEG_E9, | |
1784 | SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14, | |
1785 | SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19, | |
1786 | SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24, | |
1787 | SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29, | |
1788 | SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34, | |
1789 | SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39, | |
1790 | (segT) 40, | |
1791 | (segT) 41, | |
1792 | (segT) 42, | |
1793 | (segT) 43, | |
1794 | (segT) 44, | |
1795 | (segT) 45, | |
1796 | (segT) 0, | |
1797 | (segT) 0, | |
1798 | (segT) 0, | |
1799 | SEG_REGISTER | |
252b5132 RH |
1800 | }; |
1801 | ||
252b5132 RH |
1802 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) |
1803 | ||
f8e42b8c NC |
1804 | static relax_addressT relax_align PARAMS ((relax_addressT, long)); |
1805 | ||
252b5132 RH |
1806 | static relax_addressT |
1807 | relax_align (address, alignment) | |
1808 | relax_addressT address; | |
1809 | long alignment; | |
1810 | { | |
1811 | relax_addressT mask; | |
1812 | relax_addressT new_address; | |
1813 | ||
1814 | mask = ~((~0) << alignment); | |
1815 | new_address = (address + mask) & (~mask); | |
1816 | return (new_address - address); | |
1817 | } | |
1818 | ||
252b5132 RH |
1819 | segT |
1820 | s_get_segment (x) | |
1821 | symbolS * x; | |
1822 | { | |
a04b544b | 1823 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum); |
252b5132 RH |
1824 | } |
1825 | ||
f8e42b8c NC |
1826 | static unsigned int size_section PARAMS ((bfd *, unsigned int)); |
1827 | ||
1828 | /* Calculate the size of the frag chain and fill in the section header | |
1829 | to contain all of it, also fill in the addr of the sections. */ | |
1830 | ||
252b5132 RH |
1831 | static unsigned int |
1832 | size_section (abfd, idx) | |
a04b544b | 1833 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1834 | unsigned int idx; |
1835 | { | |
1836 | ||
1837 | unsigned int size = 0; | |
1838 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
f8e42b8c | 1839 | |
252b5132 RH |
1840 | while (frag) |
1841 | { | |
1842 | size = frag->fr_address; | |
1843 | if (frag->fr_address != size) | |
1844 | { | |
1845 | fprintf (stderr, _("Out of step\n")); | |
1846 | size = frag->fr_address; | |
1847 | } | |
1848 | ||
1849 | switch (frag->fr_type) | |
1850 | { | |
1851 | #ifdef TC_COFF_SIZEMACHDEP | |
1852 | case rs_machine_dependent: | |
1853 | size += TC_COFF_SIZEMACHDEP (frag); | |
1854 | break; | |
1855 | #endif | |
1856 | case rs_space: | |
252b5132 RH |
1857 | case rs_fill: |
1858 | case rs_org: | |
1859 | size += frag->fr_fix; | |
1860 | size += frag->fr_offset * frag->fr_var; | |
1861 | break; | |
1862 | case rs_align: | |
1863 | case rs_align_code: | |
0a9ef439 | 1864 | case rs_align_test: |
252b5132 RH |
1865 | { |
1866 | addressT off; | |
1867 | ||
1868 | size += frag->fr_fix; | |
1869 | off = relax_align (size, frag->fr_offset); | |
1870 | if (frag->fr_subtype != 0 && off > frag->fr_subtype) | |
1871 | off = 0; | |
1872 | size += off; | |
1873 | } | |
1874 | break; | |
1875 | default: | |
1876 | BAD_CASE (frag->fr_type); | |
1877 | break; | |
1878 | } | |
1879 | frag = frag->fr_next; | |
1880 | } | |
1881 | segment_info[idx].scnhdr.s_size = size; | |
1882 | return size; | |
1883 | } | |
1884 | ||
252b5132 RH |
1885 | static unsigned int |
1886 | count_entries_in_chain (idx) | |
1887 | unsigned int idx; | |
1888 | { | |
1889 | unsigned int nrelocs; | |
1890 | fixS *fixup_ptr; | |
1891 | ||
f8e42b8c | 1892 | /* Count the relocations. */ |
252b5132 RH |
1893 | fixup_ptr = segment_info[idx].fix_root; |
1894 | nrelocs = 0; | |
1895 | while (fixup_ptr != (fixS *) NULL) | |
1896 | { | |
1897 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) | |
1898 | { | |
3b16e843 | 1899 | #if defined(TC_A29K) || defined(TC_OR32) |
252b5132 RH |
1900 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) |
1901 | nrelocs += 2; | |
1902 | else | |
1903 | nrelocs++; | |
1904 | #else | |
1905 | nrelocs++; | |
1906 | #endif | |
1907 | } | |
1908 | ||
1909 | fixup_ptr = fixup_ptr->fx_next; | |
1910 | } | |
1911 | return nrelocs; | |
1912 | } | |
1913 | ||
1914 | #ifdef TE_AUX | |
1915 | ||
1916 | static int compare_external_relocs PARAMS ((const PTR, const PTR)); | |
1917 | ||
f8e42b8c NC |
1918 | /* AUX's ld expects relocations to be sorted. */ |
1919 | ||
252b5132 RH |
1920 | static int |
1921 | compare_external_relocs (x, y) | |
1922 | const PTR x; | |
1923 | const PTR y; | |
1924 | { | |
1925 | struct external_reloc *a = (struct external_reloc *) x; | |
1926 | struct external_reloc *b = (struct external_reloc *) y; | |
1927 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
1928 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
1929 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
1930 | } | |
1931 | ||
1932 | #endif | |
1933 | ||
f8e42b8c NC |
1934 | /* Output all the relocations for a section. */ |
1935 | ||
252b5132 RH |
1936 | void |
1937 | do_relocs_for (abfd, h, file_cursor) | |
1938 | bfd * abfd; | |
1939 | object_headers * h; | |
1940 | unsigned long *file_cursor; | |
1941 | { | |
1942 | unsigned int nrelocs; | |
1943 | unsigned int idx; | |
1944 | unsigned long reloc_start = *file_cursor; | |
1945 | ||
1946 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
1947 | { | |
1948 | if (segment_info[idx].scnhdr.s_name[0]) | |
1949 | { | |
1950 | struct external_reloc *ext_ptr; | |
1951 | struct external_reloc *external_reloc_vec; | |
1952 | unsigned int external_reloc_size; | |
1953 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1954 | fixS *fix_ptr = segment_info[idx].fix_root; | |
1955 | nrelocs = count_entries_in_chain (idx); | |
1956 | ||
1957 | if (nrelocs) | |
1958 | /* Bypass this stuff if no relocs. This also incidentally | |
1959 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
1960 | { | |
1961 | external_reloc_size = nrelocs * RELSZ; | |
1962 | external_reloc_vec = | |
1963 | (struct external_reloc *) malloc (external_reloc_size); | |
1964 | ||
1965 | ext_ptr = external_reloc_vec; | |
1966 | ||
1967 | /* Fill in the internal coff style reloc struct from the | |
1968 | internal fix list. */ | |
1969 | while (fix_ptr) | |
1970 | { | |
1971 | struct internal_reloc intr; | |
1972 | ||
f8e42b8c | 1973 | /* Only output some of the relocations. */ |
252b5132 RH |
1974 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
1975 | { | |
1976 | #ifdef TC_RELOC_MANGLE | |
1977 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, | |
1978 | base); | |
252b5132 RH |
1979 | #else |
1980 | symbolS *dot; | |
1981 | symbolS *symbol_ptr = fix_ptr->fx_addsy; | |
1982 | ||
1983 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
1984 | intr.r_vaddr = | |
1985 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
1986 | ||
1987 | #ifdef TC_KEEP_FX_OFFSET | |
1988 | intr.r_offset = fix_ptr->fx_offset; | |
1989 | #else | |
1990 | intr.r_offset = 0; | |
1991 | #endif | |
1992 | ||
1993 | while (symbol_ptr->sy_value.X_op == O_symbol | |
1994 | && (! S_IS_DEFINED (symbol_ptr) | |
1995 | || S_IS_COMMON (symbol_ptr))) | |
1996 | { | |
1997 | symbolS *n; | |
1998 | ||
1999 | /* We must avoid looping, as that can occur | |
2000 | with a badly written program. */ | |
2001 | n = symbol_ptr->sy_value.X_add_symbol; | |
2002 | if (n == symbol_ptr) | |
2003 | break; | |
2004 | symbol_ptr = n; | |
2005 | } | |
2006 | ||
2007 | /* Turn the segment of the symbol into an offset. */ | |
2008 | if (symbol_ptr) | |
2009 | { | |
6386f3a7 | 2010 | resolve_symbol_value (symbol_ptr); |
252b5132 RH |
2011 | if (! symbol_ptr->sy_resolved) |
2012 | { | |
2013 | char *file; | |
2014 | unsigned int line; | |
2015 | ||
2016 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
2017 | as_bad_where (file, line, | |
2018 | _("unresolved relocation")); | |
2019 | else | |
2020 | as_bad (_("bad relocation: symbol `%s' not in symbol table"), | |
2021 | S_GET_NAME (symbol_ptr)); | |
2022 | } | |
f8e42b8c | 2023 | |
252b5132 RH |
2024 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
2025 | if (dot) | |
f8e42b8c | 2026 | intr.r_symndx = dot->sy_number; |
252b5132 | 2027 | else |
f8e42b8c | 2028 | intr.r_symndx = symbol_ptr->sy_number; |
252b5132 RH |
2029 | } |
2030 | else | |
f8e42b8c | 2031 | intr.r_symndx = -1; |
252b5132 | 2032 | #endif |
252b5132 RH |
2033 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); |
2034 | ext_ptr++; | |
252b5132 | 2035 | #if defined(TC_A29K) |
252b5132 RH |
2036 | /* The 29k has a special kludge for the high 16 bit |
2037 | reloc. Two relocations are emited, R_IHIHALF, | |
2038 | and R_IHCONST. The second one doesn't contain a | |
2039 | symbol, but uses the value for offset. */ | |
252b5132 RH |
2040 | if (intr.r_type == R_IHIHALF) |
2041 | { | |
f8e42b8c | 2042 | /* Now emit the second bit. */ |
252b5132 RH |
2043 | intr.r_type = R_IHCONST; |
2044 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2045 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
2046 | ext_ptr++; | |
2047 | } | |
3b16e843 NC |
2048 | #endif |
2049 | #if defined(TC_OR32) | |
2050 | /* The or32 has a special kludge for the high 16 bit | |
2051 | reloc. Two relocations are emited, R_IHIHALF, | |
2052 | and R_IHCONST. The second one doesn't contain a | |
2053 | symbol, but uses the value for offset. */ | |
2054 | if (intr.r_type == R_IHIHALF) | |
2055 | { | |
2056 | /* Now emit the second bit. */ | |
2057 | intr.r_type = R_IHCONST; | |
2058 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2059 | (void) bfd_coff_swap_reloc_out (abfd, & intr, ext_ptr); | |
2060 | ext_ptr ++; | |
2061 | } | |
252b5132 RH |
2062 | #endif |
2063 | } | |
2064 | ||
2065 | fix_ptr = fix_ptr->fx_next; | |
2066 | } | |
252b5132 | 2067 | #ifdef TE_AUX |
f8e42b8c | 2068 | /* Sort the reloc table. */ |
252b5132 RH |
2069 | qsort ((PTR) external_reloc_vec, nrelocs, |
2070 | sizeof (struct external_reloc), compare_external_relocs); | |
2071 | #endif | |
f8e42b8c | 2072 | /* Write out the reloc table. */ |
0e1a166b AM |
2073 | bfd_bwrite ((PTR) external_reloc_vec, |
2074 | (bfd_size_type) external_reloc_size, abfd); | |
252b5132 RH |
2075 | free (external_reloc_vec); |
2076 | ||
2077 | /* Fill in section header info. */ | |
2078 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
2079 | *file_cursor += external_reloc_size; | |
2080 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
2081 | } | |
2082 | else | |
2083 | { | |
f8e42b8c | 2084 | /* No relocs. */ |
252b5132 RH |
2085 | segment_info[idx].scnhdr.s_relptr = 0; |
2086 | } | |
2087 | } | |
2088 | } | |
f8e42b8c NC |
2089 | |
2090 | /* Set relocation_size field in file headers. */ | |
252b5132 RH |
2091 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); |
2092 | } | |
2093 | ||
f8e42b8c NC |
2094 | /* Run through a frag chain and write out the data to go with it, fill |
2095 | in the scnhdrs with the info on the file postions. */ | |
2096 | ||
252b5132 RH |
2097 | static void |
2098 | fill_section (abfd, h, file_cursor) | |
2099 | bfd * abfd; | |
a04b544b | 2100 | object_headers *h ATTRIBUTE_UNUSED; |
252b5132 RH |
2101 | unsigned long *file_cursor; |
2102 | { | |
252b5132 RH |
2103 | unsigned int i; |
2104 | unsigned int paddr = 0; | |
2105 | ||
2106 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
2107 | { | |
2108 | unsigned int offset = 0; | |
2109 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); | |
2110 | ||
2111 | PROGRESS (1); | |
2112 | ||
2113 | if (s->s_name[0]) | |
2114 | { | |
2115 | fragS *frag = segment_info[i].frchainP->frch_root; | |
ea3b9044 | 2116 | char *buffer = NULL; |
252b5132 RH |
2117 | |
2118 | if (s->s_size == 0) | |
2119 | s->s_scnptr = 0; | |
2120 | else | |
2121 | { | |
2122 | buffer = xmalloc (s->s_size); | |
2123 | s->s_scnptr = *file_cursor; | |
2124 | } | |
2125 | know (s->s_paddr == paddr); | |
2126 | ||
2127 | if (strcmp (s->s_name, ".text") == 0) | |
2128 | s->s_flags |= STYP_TEXT; | |
2129 | else if (strcmp (s->s_name, ".data") == 0) | |
2130 | s->s_flags |= STYP_DATA; | |
2131 | else if (strcmp (s->s_name, ".bss") == 0) | |
2132 | { | |
2133 | s->s_scnptr = 0; | |
2134 | s->s_flags |= STYP_BSS; | |
2135 | ||
2136 | /* @@ Should make the i386 and a29k coff targets define | |
2137 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
2138 | #ifndef TC_I386 | |
2139 | #ifndef TC_A29K | |
3b16e843 | 2140 | #ifndef TC_OR32 |
252b5132 RH |
2141 | #ifndef COFF_NOLOAD_PROBLEM |
2142 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
2143 | mondfe progrem are confused by noload sections. */ | |
2144 | s->s_flags |= STYP_NOLOAD; | |
2145 | #endif | |
2146 | #endif | |
3b16e843 | 2147 | #endif |
252b5132 RH |
2148 | #endif |
2149 | } | |
2150 | else if (strcmp (s->s_name, ".lit") == 0) | |
2151 | s->s_flags = STYP_LIT | STYP_TEXT; | |
2152 | else if (strcmp (s->s_name, ".init") == 0) | |
2153 | s->s_flags |= STYP_TEXT; | |
2154 | else if (strcmp (s->s_name, ".fini") == 0) | |
2155 | s->s_flags |= STYP_TEXT; | |
2156 | else if (strncmp (s->s_name, ".comment", 8) == 0) | |
2157 | s->s_flags |= STYP_INFO; | |
2158 | ||
2159 | while (frag) | |
2160 | { | |
2161 | unsigned int fill_size; | |
2162 | switch (frag->fr_type) | |
2163 | { | |
2164 | case rs_machine_dependent: | |
2165 | if (frag->fr_fix) | |
2166 | { | |
2167 | memcpy (buffer + frag->fr_address, | |
2168 | frag->fr_literal, | |
2169 | (unsigned int) frag->fr_fix); | |
2170 | offset += frag->fr_fix; | |
2171 | } | |
2172 | ||
2173 | break; | |
2174 | case rs_space: | |
252b5132 RH |
2175 | case rs_fill: |
2176 | case rs_align: | |
2177 | case rs_align_code: | |
0a9ef439 | 2178 | case rs_align_test: |
252b5132 RH |
2179 | case rs_org: |
2180 | if (frag->fr_fix) | |
2181 | { | |
2182 | memcpy (buffer + frag->fr_address, | |
2183 | frag->fr_literal, | |
2184 | (unsigned int) frag->fr_fix); | |
2185 | offset += frag->fr_fix; | |
2186 | } | |
2187 | ||
2188 | fill_size = frag->fr_var; | |
2189 | if (fill_size && frag->fr_offset > 0) | |
2190 | { | |
2191 | unsigned int count; | |
2192 | unsigned int off = frag->fr_fix; | |
2193 | for (count = frag->fr_offset; count; count--) | |
2194 | { | |
2195 | if (fill_size + frag->fr_address + off <= s->s_size) | |
2196 | { | |
2197 | memcpy (buffer + frag->fr_address + off, | |
2198 | frag->fr_literal + frag->fr_fix, | |
2199 | fill_size); | |
2200 | off += fill_size; | |
2201 | offset += fill_size; | |
2202 | } | |
2203 | } | |
2204 | } | |
2205 | break; | |
2206 | case rs_broken_word: | |
2207 | break; | |
2208 | default: | |
2209 | abort (); | |
2210 | } | |
2211 | frag = frag->fr_next; | |
2212 | } | |
2213 | ||
2214 | if (s->s_size != 0) | |
2215 | { | |
2216 | if (s->s_scnptr != 0) | |
2217 | { | |
0e1a166b | 2218 | bfd_bwrite (buffer, s->s_size, abfd); |
252b5132 RH |
2219 | *file_cursor += s->s_size; |
2220 | } | |
2221 | free (buffer); | |
2222 | } | |
2223 | paddr += s->s_size; | |
2224 | } | |
2225 | } | |
2226 | } | |
2227 | ||
f8e42b8c | 2228 | /* Coff file generation & utilities. */ |
252b5132 RH |
2229 | |
2230 | static void | |
2231 | coff_header_append (abfd, h) | |
2232 | bfd * abfd; | |
2233 | object_headers * h; | |
2234 | { | |
2235 | unsigned int i; | |
2236 | char buffer[1000]; | |
2237 | char buffero[1000]; | |
2238 | #ifdef COFF_LONG_SECTION_NAMES | |
2239 | unsigned long string_size = 4; | |
2240 | #endif | |
2241 | ||
0e1a166b | 2242 | bfd_seek (abfd, (file_ptr) 0, 0); |
252b5132 RH |
2243 | |
2244 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
2245 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
2246 | H_SET_VERSION_STAMP (h, 0); | |
2247 | H_SET_ENTRY_POINT (h, 0); | |
2248 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
2249 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
2250 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, | |
2251 | buffero)); | |
2252 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2253 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
2254 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2255 | ||
2256 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
2257 | ||
0e1a166b AM |
2258 | bfd_bwrite (buffer, (bfd_size_type) i, abfd); |
2259 | bfd_bwrite (buffero, (bfd_size_type) H_GET_SIZEOF_OPTIONAL_HEADER (h), abfd); | |
252b5132 RH |
2260 | |
2261 | for (i = SEG_E0; i < SEG_LAST; i++) | |
2262 | { | |
2263 | if (segment_info[i].scnhdr.s_name[0]) | |
2264 | { | |
2265 | unsigned int size; | |
2266 | ||
2267 | #ifdef COFF_LONG_SECTION_NAMES | |
2268 | /* Support long section names as found in PE. This code | |
2269 | must coordinate with that in write_object_file and | |
2270 | w_strings. */ | |
2271 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
2272 | { | |
2273 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
2274 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); | |
2275 | string_size += strlen (segment_info[i].name) + 1; | |
2276 | } | |
2277 | #endif | |
252b5132 RH |
2278 | size = bfd_coff_swap_scnhdr_out (abfd, |
2279 | &(segment_info[i].scnhdr), | |
2280 | buffer); | |
2281 | if (size == 0) | |
2282 | as_bad (_("bfd_coff_swap_scnhdr_out failed")); | |
0e1a166b | 2283 | bfd_bwrite (buffer, (bfd_size_type) size, abfd); |
252b5132 RH |
2284 | } |
2285 | } | |
2286 | } | |
2287 | ||
252b5132 RH |
2288 | char * |
2289 | symbol_to_chars (abfd, where, symbolP) | |
2290 | bfd * abfd; | |
2291 | char *where; | |
2292 | symbolS * symbolP; | |
2293 | { | |
2294 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
2295 | unsigned int i; | |
2296 | valueT val; | |
2297 | ||
f8e42b8c | 2298 | /* Turn any symbols with register attributes into abs symbols. */ |
252b5132 | 2299 | if (S_GET_SEGMENT (symbolP) == reg_section) |
f8e42b8c | 2300 | S_SET_SEGMENT (symbolP, absolute_section); |
252b5132 | 2301 | |
f8e42b8c | 2302 | /* At the same time, relocate all symbols to their output value. */ |
252b5132 RH |
2303 | #ifndef TE_PE |
2304 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
2305 | + S_GET_VALUE (symbolP)); | |
2306 | #else | |
2307 | val = S_GET_VALUE (symbolP); | |
2308 | #endif | |
2309 | ||
2310 | S_SET_VALUE (symbolP, val); | |
2311 | ||
2312 | symbolP->sy_symbol.ost_entry.n_value = val; | |
2313 | ||
2314 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
2315 | where); | |
2316 | ||
2317 | for (i = 0; i < numaux; i++) | |
2318 | { | |
2319 | where += bfd_coff_swap_aux_out (abfd, | |
2320 | &symbolP->sy_symbol.ost_auxent[i], | |
2321 | S_GET_DATA_TYPE (symbolP), | |
2322 | S_GET_STORAGE_CLASS (symbolP), | |
2323 | i, numaux, where); | |
2324 | } | |
252b5132 | 2325 | |
f8e42b8c | 2326 | return where; |
252b5132 RH |
2327 | } |
2328 | ||
2329 | void | |
2330 | coff_obj_symbol_new_hook (symbolP) | |
2331 | symbolS *symbolP; | |
2332 | { | |
f8e42b8c | 2333 | char underscore = 0; /* Symbol has leading _ */ |
252b5132 | 2334 | |
f8e42b8c | 2335 | /* Effective symbol. */ |
dcd619be | 2336 | /* Store the pointer in the offset. */ |
252b5132 RH |
2337 | S_SET_ZEROES (symbolP, 0L); |
2338 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
2339 | S_SET_STORAGE_CLASS (symbolP, 0); | |
2340 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
f8e42b8c | 2341 | /* Additional information. */ |
252b5132 | 2342 | symbolP->sy_symbol.ost_flags = 0; |
f8e42b8c | 2343 | /* Auxiliary entries. */ |
252b5132 RH |
2344 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); |
2345 | ||
2346 | if (S_IS_STRING (symbolP)) | |
2347 | SF_SET_STRING (symbolP); | |
2348 | if (!underscore && S_IS_LOCAL (symbolP)) | |
2349 | SF_SET_LOCAL (symbolP); | |
2350 | } | |
2351 | ||
f8e42b8c | 2352 | /* Handle .ln directives. */ |
252b5132 RH |
2353 | |
2354 | static void | |
2355 | obj_coff_ln (appline) | |
2356 | int appline; | |
2357 | { | |
2358 | int l; | |
2359 | ||
2360 | if (! appline && def_symbol_in_progress != NULL) | |
2361 | { | |
f8e42b8c | 2362 | /* Wrong context. */ |
252b5132 RH |
2363 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
2364 | demand_empty_rest_of_line (); | |
2365 | return; | |
f8e42b8c | 2366 | } |
252b5132 RH |
2367 | |
2368 | l = get_absolute_expression (); | |
2369 | c_line_new (0, frag_now_fix (), l, frag_now); | |
2370 | ||
2371 | if (appline) | |
2372 | new_logical_line ((char *) NULL, l - 1); | |
2373 | ||
2374 | #ifndef NO_LISTING | |
2375 | { | |
2376 | extern int listing; | |
2377 | ||
2378 | if (listing) | |
2379 | { | |
2380 | if (! appline) | |
2381 | l += line_base - 1; | |
2382 | listing_source_line ((unsigned int) l); | |
2383 | } | |
2384 | ||
2385 | } | |
2386 | #endif | |
2387 | demand_empty_rest_of_line (); | |
2388 | } | |
2389 | ||
f8e42b8c NC |
2390 | /* Handle .def directives. |
2391 | ||
2392 | One might ask : why can't we symbol_new if the symbol does not | |
2393 | already exist and fill it with debug information. Because of | |
2394 | the C_EFCN special symbol. It would clobber the value of the | |
2395 | function symbol before we have a chance to notice that it is | |
2396 | a C_EFCN. And a second reason is that the code is more clear this | |
2397 | way. (at least I think it is :-). */ | |
252b5132 RH |
2398 | |
2399 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2400 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
2401 | *input_line_pointer == '\t') \ | |
2402 | input_line_pointer++; | |
2403 | ||
2404 | static void | |
2405 | obj_coff_def (what) | |
a04b544b | 2406 | int what ATTRIBUTE_UNUSED; |
252b5132 | 2407 | { |
f8e42b8c NC |
2408 | char name_end; /* Char after the end of name. */ |
2409 | char *symbol_name; /* Name of the debug symbol. */ | |
2410 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
2411 | unsigned int symbol_name_length; |
2412 | ||
2413 | if (def_symbol_in_progress != NULL) | |
2414 | { | |
2415 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
2416 | demand_empty_rest_of_line (); | |
2417 | return; | |
f8e42b8c | 2418 | } |
252b5132 RH |
2419 | |
2420 | SKIP_WHITESPACES (); | |
2421 | ||
2422 | def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); | |
2423 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); | |
2424 | ||
2425 | symbol_name = input_line_pointer; | |
2426 | name_end = get_symbol_end (); | |
2427 | symbol_name_length = strlen (symbol_name); | |
2428 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2429 | strcpy (symbol_name_copy, symbol_name); | |
2430 | #ifdef tc_canonicalize_symbol_name | |
2431 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
2432 | #endif | |
2433 | ||
f8e42b8c | 2434 | /* Initialize the new symbol. */ |
252b5132 RH |
2435 | #ifdef STRIP_UNDERSCORE |
2436 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2437 | ? symbol_name_copy + 1 | |
2438 | : symbol_name_copy)); | |
2439 | #else /* STRIP_UNDERSCORE */ | |
2440 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2441 | #endif /* STRIP_UNDERSCORE */ | |
2442 | /* free(symbol_name_copy); */ | |
2443 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2444 | def_symbol_in_progress->sy_number = ~0; | |
2445 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2446 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2447 | ||
2448 | if (S_IS_STRING (def_symbol_in_progress)) | |
2449 | SF_SET_STRING (def_symbol_in_progress); | |
2450 | ||
2451 | *input_line_pointer = name_end; | |
2452 | ||
2453 | demand_empty_rest_of_line (); | |
2454 | } | |
2455 | ||
2456 | unsigned int dim_index; | |
2457 | ||
252b5132 RH |
2458 | static void |
2459 | obj_coff_endef (ignore) | |
a04b544b | 2460 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2461 | { |
2462 | symbolS *symbolP = 0; | |
2463 | /* DIM BUG FIX sac@cygnus.com */ | |
2464 | dim_index = 0; | |
2465 | if (def_symbol_in_progress == NULL) | |
2466 | { | |
2467 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
2468 | demand_empty_rest_of_line (); | |
2469 | return; | |
f8e42b8c | 2470 | } |
252b5132 | 2471 | |
dcd619be | 2472 | /* Set the section number according to storage class. */ |
252b5132 RH |
2473 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
2474 | { | |
2475 | case C_STRTAG: | |
2476 | case C_ENTAG: | |
2477 | case C_UNTAG: | |
2478 | SF_SET_TAG (def_symbol_in_progress); | |
f8e42b8c NC |
2479 | /* Intentional fallthrough. */ |
2480 | ||
252b5132 RH |
2481 | case C_FILE: |
2482 | case C_TPDEF: | |
2483 | SF_SET_DEBUG (def_symbol_in_progress); | |
2484 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2485 | break; | |
2486 | ||
2487 | case C_EFCN: | |
f8e42b8c NC |
2488 | /* Do not emit this symbol. */ |
2489 | SF_SET_LOCAL (def_symbol_in_progress); | |
2490 | /* Intentional fallthrough. */ | |
2491 | ||
252b5132 | 2492 | case C_BLOCK: |
f8e42b8c NC |
2493 | /* Will need processing before writing. */ |
2494 | SF_SET_PROCESS (def_symbol_in_progress); | |
2495 | /* Intentional fallthrough. */ | |
2496 | ||
252b5132 RH |
2497 | case C_FCN: |
2498 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2499 | ||
2500 | if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) | |
2501 | { /* .bf */ | |
2502 | if (function_lineoff < 0) | |
f8e42b8c NC |
2503 | fprintf (stderr, _("`.bf' symbol without preceding function\n")); |
2504 | ||
252b5132 RH |
2505 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; |
2506 | ||
2507 | SF_SET_PROCESS (last_line_symbol); | |
2508 | SF_SET_ADJ_LNNOPTR (last_line_symbol); | |
2509 | SF_SET_PROCESS (def_symbol_in_progress); | |
2510 | function_lineoff = -1; | |
2511 | } | |
f8e42b8c | 2512 | |
dcd619be | 2513 | /* Value is always set to . */ |
252b5132 RH |
2514 | def_symbol_in_progress->sy_frag = frag_now; |
2515 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2516 | break; | |
2517 | ||
2518 | #ifdef C_AUTOARG | |
2519 | case C_AUTOARG: | |
2520 | #endif /* C_AUTOARG */ | |
2521 | case C_AUTO: | |
2522 | case C_REG: | |
2523 | case C_MOS: | |
2524 | case C_MOE: | |
2525 | case C_MOU: | |
2526 | case C_ARG: | |
2527 | case C_REGPARM: | |
2528 | case C_FIELD: | |
2529 | case C_EOS: | |
2530 | SF_SET_DEBUG (def_symbol_in_progress); | |
2531 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2532 | break; | |
2533 | ||
2534 | case C_EXT: | |
2535 | case C_WEAKEXT: | |
2536 | #ifdef TE_PE | |
2537 | case C_NT_WEAK: | |
2538 | #endif | |
2539 | case C_STAT: | |
2540 | case C_LABEL: | |
f8e42b8c | 2541 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
2542 | break; |
2543 | ||
2544 | case C_USTATIC: | |
2545 | case C_EXTDEF: | |
2546 | case C_ULABEL: | |
2547 | as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2548 | break; | |
f8e42b8c | 2549 | } |
252b5132 RH |
2550 | |
2551 | /* Now that we have built a debug symbol, try to find if we should | |
2552 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2553 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2554 | don't merge labels, which are in a different namespace, nor | |
2555 | symbols which have not yet been defined since they are typically | |
2556 | unique, nor do we merge tags with non-tags. */ | |
2557 | ||
2558 | /* Two cases for functions. Either debug followed by definition or | |
2559 | definition followed by debug. For definition first, we will | |
2560 | merge the debug symbol into the definition. For debug first, the | |
2561 | lineno entry MUST point to the definition function or else it | |
2562 | will point off into space when crawl_symbols() merges the debug | |
2563 | symbol into the real symbol. Therefor, let's presume the debug | |
dcd619be | 2564 | symbol is a real function reference. */ |
252b5132 RH |
2565 | |
2566 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2567 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 2568 | time. */ |
252b5132 RH |
2569 | |
2570 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2571 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2572 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2573 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2574 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2575 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2576 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2577 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2578 | { | |
2579 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2580 | &symbol_lastP); | |
2581 | } | |
2582 | else | |
2583 | { | |
2584 | /* This symbol already exists, merge the newly created symbol | |
2585 | into the old one. This is not mandatory. The linker can | |
2586 | handle duplicate symbols correctly. But I guess that it save | |
2587 | a *lot* of space if the assembly file defines a lot of | |
2588 | symbols. [loic] */ | |
2589 | ||
2590 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2591 | previous definition. */ | |
2592 | ||
2593 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
dcd619be | 2594 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ |
252b5132 RH |
2595 | def_symbol_in_progress = symbolP; |
2596 | ||
2597 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
2598 | || SF_GET_TAG (def_symbol_in_progress) | |
2599 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2600 | { | |
2601 | /* For functions, and tags, and static symbols, the symbol | |
2602 | *must* be where the debug symbol appears. Move the | |
dcd619be | 2603 | existing symbol to the current place. */ |
f8e42b8c | 2604 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
2605 | if (def_symbol_in_progress != symbol_lastP) |
2606 | { | |
2607 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2608 | &symbol_lastP); | |
2609 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2610 | &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
2611 | } |
2612 | } | |
2613 | } | |
252b5132 RH |
2614 | |
2615 | if (SF_GET_TAG (def_symbol_in_progress)) | |
2616 | { | |
2617 | symbolS *oldtag; | |
2618 | ||
2619 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
2620 | DO_NOT_STRIP); | |
2621 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
2622 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2623 | def_symbol_in_progress); | |
2624 | } | |
2625 | ||
2626 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2627 | { | |
2628 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2629 | function_lineoff | |
2630 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2631 | ||
2632 | SF_SET_PROCESS (def_symbol_in_progress); | |
2633 | ||
2634 | if (symbolP == NULL) | |
2635 | { | |
2636 | /* That is, if this is the first time we've seen the | |
dcd619be | 2637 | function... */ |
252b5132 | 2638 | symbol_table_insert (def_symbol_in_progress); |
f8e42b8c NC |
2639 | } |
2640 | } | |
252b5132 RH |
2641 | |
2642 | def_symbol_in_progress = NULL; | |
2643 | demand_empty_rest_of_line (); | |
2644 | } | |
2645 | ||
2646 | static void | |
2647 | obj_coff_dim (ignore) | |
a04b544b | 2648 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2649 | { |
2650 | int dim_index; | |
2651 | ||
2652 | if (def_symbol_in_progress == NULL) | |
2653 | { | |
2654 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
2655 | demand_empty_rest_of_line (); | |
2656 | return; | |
f8e42b8c | 2657 | } |
252b5132 RH |
2658 | |
2659 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2660 | ||
2661 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2662 | { | |
2663 | SKIP_WHITESPACES (); | |
2664 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2665 | get_absolute_expression ()); | |
2666 | ||
2667 | switch (*input_line_pointer) | |
2668 | { | |
2669 | case ',': | |
2670 | input_line_pointer++; | |
2671 | break; | |
2672 | ||
2673 | default: | |
2674 | as_warn (_("badly formed .dim directive ignored")); | |
f8e42b8c NC |
2675 | /* Intentional fallthrough. */ |
2676 | ||
252b5132 RH |
2677 | case '\n': |
2678 | case ';': | |
2679 | dim_index = DIMNUM; | |
2680 | break; | |
2681 | } | |
2682 | } | |
2683 | ||
2684 | demand_empty_rest_of_line (); | |
2685 | } | |
2686 | ||
2687 | static void | |
2688 | obj_coff_line (ignore) | |
a04b544b | 2689 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2690 | { |
2691 | int this_base; | |
2692 | const char *name; | |
2693 | ||
2694 | if (def_symbol_in_progress == NULL) | |
2695 | { | |
2696 | obj_coff_ln (0); | |
2697 | return; | |
2698 | } | |
2699 | ||
2700 | name = S_GET_NAME (def_symbol_in_progress); | |
2701 | this_base = get_absolute_expression (); | |
2702 | ||
2703 | /* Only .bf symbols indicate the use of a new base line number; the | |
2704 | line numbers associated with .ef, .bb, .eb are relative to the | |
2705 | start of the containing function. */ | |
2706 | if (!strcmp (".bf", name)) | |
2707 | { | |
2708 | #if 0 /* XXX Can we ever have line numbers going backwards? */ | |
2709 | if (this_base > line_base) | |
2710 | #endif | |
f8e42b8c | 2711 | line_base = this_base; |
252b5132 RH |
2712 | |
2713 | #ifndef NO_LISTING | |
2714 | { | |
2715 | extern int listing; | |
2716 | if (listing) | |
f8e42b8c | 2717 | listing_source_line ((unsigned int) line_base); |
252b5132 RH |
2718 | } |
2719 | #endif | |
2720 | } | |
2721 | ||
2722 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2723 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2724 | ||
2725 | demand_empty_rest_of_line (); | |
2726 | } | |
2727 | ||
2728 | static void | |
2729 | obj_coff_size (ignore) | |
a04b544b | 2730 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2731 | { |
2732 | if (def_symbol_in_progress == NULL) | |
2733 | { | |
2734 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
2735 | demand_empty_rest_of_line (); | |
2736 | return; | |
f8e42b8c | 2737 | } |
252b5132 RH |
2738 | |
2739 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2740 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2741 | demand_empty_rest_of_line (); | |
2742 | } | |
2743 | ||
2744 | static void | |
2745 | obj_coff_scl (ignore) | |
a04b544b | 2746 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2747 | { |
2748 | if (def_symbol_in_progress == NULL) | |
2749 | { | |
2750 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
2751 | demand_empty_rest_of_line (); | |
2752 | return; | |
f8e42b8c | 2753 | } |
252b5132 RH |
2754 | |
2755 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2756 | demand_empty_rest_of_line (); | |
2757 | } | |
2758 | ||
2759 | static void | |
2760 | obj_coff_tag (ignore) | |
a04b544b | 2761 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2762 | { |
2763 | char *symbol_name; | |
2764 | char name_end; | |
2765 | ||
2766 | if (def_symbol_in_progress == NULL) | |
2767 | { | |
2768 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
2769 | demand_empty_rest_of_line (); | |
2770 | return; | |
2771 | } | |
2772 | ||
2773 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2774 | symbol_name = input_line_pointer; | |
2775 | name_end = get_symbol_end (); | |
2776 | #ifdef tc_canonicalize_symbol_name | |
2777 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2778 | #endif | |
2779 | ||
2780 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 2781 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
2782 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
2783 | (long) tag_find_or_make (symbol_name)); | |
2784 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
f8e42b8c | 2785 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
2786 | |
2787 | SF_SET_TAGGED (def_symbol_in_progress); | |
2788 | *input_line_pointer = name_end; | |
2789 | ||
2790 | demand_empty_rest_of_line (); | |
2791 | } | |
2792 | ||
2793 | static void | |
2794 | obj_coff_type (ignore) | |
a04b544b | 2795 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2796 | { |
2797 | if (def_symbol_in_progress == NULL) | |
2798 | { | |
2799 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
2800 | demand_empty_rest_of_line (); | |
2801 | return; | |
f8e42b8c | 2802 | } |
252b5132 RH |
2803 | |
2804 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2805 | ||
2806 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2807 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
f8e42b8c | 2808 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
2809 | |
2810 | demand_empty_rest_of_line (); | |
2811 | } | |
2812 | ||
2813 | static void | |
2814 | obj_coff_val (ignore) | |
a04b544b | 2815 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2816 | { |
2817 | if (def_symbol_in_progress == NULL) | |
2818 | { | |
2819 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
2820 | demand_empty_rest_of_line (); | |
2821 | return; | |
f8e42b8c | 2822 | } |
252b5132 RH |
2823 | |
2824 | if (is_name_beginner (*input_line_pointer)) | |
2825 | { | |
2826 | char *symbol_name = input_line_pointer; | |
2827 | char name_end = get_symbol_end (); | |
2828 | ||
2829 | #ifdef tc_canonicalize_symbol_name | |
2830 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2831 | #endif | |
2832 | ||
2833 | if (!strcmp (symbol_name, ".")) | |
2834 | { | |
2835 | def_symbol_in_progress->sy_frag = frag_now; | |
2836 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
f8e42b8c | 2837 | /* If the .val is != from the .def (e.g. statics). */ |
252b5132 RH |
2838 | } |
2839 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
2840 | { | |
2841 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2842 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2843 | symbol_find_or_make (symbol_name); | |
2844 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2845 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2846 | ||
2847 | /* If the segment is undefined when the forward reference is | |
2848 | resolved, then copy the segment id from the forward | |
2849 | symbol. */ | |
2850 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2851 | ||
0561a208 ILT |
2852 | /* FIXME: gcc can generate address expressions here in |
2853 | unusual cases (search for "obscure" in sdbout.c). We | |
2854 | just ignore the offset here, thus generating incorrect | |
2855 | debugging information. We ignore the rest of the line | |
2856 | just below. */ | |
252b5132 RH |
2857 | } |
2858 | /* Otherwise, it is the name of a non debug symbol and | |
dcd619be | 2859 | its value will be calculated later. */ |
252b5132 RH |
2860 | *input_line_pointer = name_end; |
2861 | ||
2862 | /* FIXME: this is to avoid an error message in the | |
2863 | FIXME case mentioned just above. */ | |
2864 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2865 | ++input_line_pointer; | |
2866 | } | |
2867 | else | |
2868 | { | |
2869 | S_SET_VALUE (def_symbol_in_progress, | |
2870 | (valueT) get_absolute_expression ()); | |
2871 | } /* if symbol based */ | |
2872 | ||
2873 | demand_empty_rest_of_line (); | |
2874 | } | |
2875 | ||
2876 | #ifdef TE_PE | |
2877 | ||
2878 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
2879 | read.c, which then calls this object file format specific routine. */ | |
2880 | ||
2881 | void | |
2882 | obj_coff_pe_handle_link_once (type) | |
2883 | enum linkonce_type type; | |
2884 | { | |
2885 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
2886 | ||
2887 | /* We store the type in the seg_info structure, and use it to set up | |
2888 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
2889 | seg_info (now_seg)->linkonce = type; | |
2890 | } | |
2891 | ||
2892 | #endif /* TE_PE */ | |
2893 | ||
2894 | void | |
2895 | coff_obj_read_begin_hook () | |
2896 | { | |
dcd619be | 2897 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
2898 | #ifndef BFD_HEADERS |
2899 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2900 | know (SYMESZ == AUXESZ); | |
2901 | #endif | |
2902 | tag_init (); | |
2903 | } | |
2904 | ||
2905 | /* This function runs through the symbol table and puts all the | |
f8e42b8c | 2906 | externals onto another chain. */ |
252b5132 RH |
2907 | |
2908 | /* The chain of globals. */ | |
2909 | symbolS *symbol_globalP; | |
2910 | symbolS *symbol_global_lastP; | |
2911 | ||
f8e42b8c | 2912 | /* The chain of externals. */ |
252b5132 RH |
2913 | symbolS *symbol_externP; |
2914 | symbolS *symbol_extern_lastP; | |
2915 | ||
2916 | stack *block_stack; | |
2917 | symbolS *last_functionP; | |
2918 | static symbolS *last_bfP; | |
2919 | symbolS *last_tagP; | |
2920 | ||
2921 | static unsigned int | |
2922 | yank_symbols () | |
2923 | { | |
2924 | symbolS *symbolP; | |
2925 | unsigned int symbol_number = 0; | |
2926 | unsigned int last_file_symno = 0; | |
2927 | ||
2928 | struct filename_list *filename_list_scan = filename_list_head; | |
2929 | ||
2930 | for (symbolP = symbol_rootP; | |
2931 | symbolP; | |
2932 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2933 | { | |
2934 | if (symbolP->sy_mri_common) | |
2935 | { | |
2936 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
2937 | #ifdef TE_PE | |
2938 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
2939 | #endif | |
2940 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT) | |
2941 | as_bad (_("%s: global symbols not supported in common sections"), | |
2942 | S_GET_NAME (symbolP)); | |
2943 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2944 | continue; | |
2945 | } | |
2946 | ||
2947 | if (!SF_GET_DEBUG (symbolP)) | |
2948 | { | |
f8e42b8c | 2949 | /* Debug symbols do not need all this rubbish. */ |
252b5132 RH |
2950 | symbolS *real_symbolP; |
2951 | ||
dcd619be | 2952 | /* L* and C_EFCN symbols never merge. */ |
252b5132 RH |
2953 | if (!SF_GET_LOCAL (symbolP) |
2954 | && !SF_GET_STATICS (symbolP) | |
2955 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL | |
2956 | && symbolP->sy_value.X_op == O_constant | |
2957 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
2958 | && real_symbolP != symbolP) | |
2959 | { | |
2960 | /* FIXME-SOON: where do dups come from? | |
dcd619be | 2961 | Maybe tag references before definitions? xoxorich. */ |
252b5132 RH |
2962 | /* Move the debug data from the debug symbol to the |
2963 | real symbol. Do NOT do the oposite (i.e. move from | |
2964 | real symbol to debug symbol and remove real symbol from the | |
2965 | list.) Because some pointers refer to the real symbol | |
dcd619be | 2966 | whereas no pointers refer to the debug symbol. */ |
252b5132 | 2967 | c_symbol_merge (symbolP, real_symbolP); |
f8e42b8c | 2968 | /* Replace the current symbol by the real one. */ |
252b5132 RH |
2969 | /* The symbols will never be the last or the first |
2970 | because : 1st symbol is .file and 3 last symbols are | |
f8e42b8c | 2971 | .text, .data, .bss. */ |
252b5132 RH |
2972 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); |
2973 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
2974 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2975 | symbolP = real_symbolP; | |
f8e42b8c | 2976 | } |
252b5132 RH |
2977 | |
2978 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) | |
f8e42b8c | 2979 | S_SET_SEGMENT (symbolP, SEG_E0); |
252b5132 | 2980 | |
6386f3a7 | 2981 | resolve_symbol_value (symbolP); |
252b5132 RH |
2982 | |
2983 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
2984 | { | |
2985 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
2986 | { | |
2987 | S_SET_EXTERNAL (symbolP); | |
2988 | } | |
f8e42b8c | 2989 | |
252b5132 | 2990 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) |
f8e42b8c NC |
2991 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); |
2992 | ||
252b5132 | 2993 | else |
f8e42b8c | 2994 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
252b5132 RH |
2995 | } |
2996 | ||
f8e42b8c | 2997 | /* Mainly to speed up if not -g. */ |
252b5132 RH |
2998 | if (SF_GET_PROCESS (symbolP)) |
2999 | { | |
dcd619be | 3000 | /* Handle the nested blocks auxiliary info. */ |
252b5132 RH |
3001 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) |
3002 | { | |
3003 | if (!strcmp (S_GET_NAME (symbolP), ".bb")) | |
3004 | stack_push (block_stack, (char *) &symbolP); | |
3005 | else | |
f8e42b8c NC |
3006 | { |
3007 | /* .eb */ | |
3008 | symbolS *begin_symbolP; | |
3009 | ||
252b5132 RH |
3010 | begin_symbolP = *(symbolS **) stack_pop (block_stack); |
3011 | if (begin_symbolP == (symbolS *) 0) | |
3012 | as_warn (_("mismatched .eb")); | |
3013 | else | |
3014 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
3015 | } | |
3016 | } | |
3017 | /* If we are able to identify the type of a function, and we | |
3018 | are out of a function (last_functionP == 0) then, the | |
3019 | function symbol will be associated with an auxiliary | |
dcd619be | 3020 | entry. */ |
252b5132 RH |
3021 | if (last_functionP == (symbolS *) 0 && |
3022 | SF_GET_FUNCTION (symbolP)) | |
3023 | { | |
3024 | last_functionP = symbolP; | |
3025 | ||
3026 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
f8e42b8c | 3027 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
252b5132 | 3028 | |
dcd619be | 3029 | /* Clobber possible stale .dim information. */ |
252b5132 | 3030 | #if 0 |
f8e42b8c | 3031 | /* Iffed out by steve - this fries the lnnoptr info too. */ |
252b5132 RH |
3032 | bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen, |
3033 | sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen)); | |
3034 | #endif | |
3035 | } | |
3036 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) | |
3037 | { | |
3038 | if (strcmp (S_GET_NAME (symbolP), ".bf") == 0) | |
3039 | { | |
3040 | if (last_bfP != NULL) | |
3041 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
3042 | last_bfP = symbolP; | |
3043 | } | |
3044 | } | |
3045 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
3046 | { | |
3047 | /* I don't even know if this is needed for sdb. But | |
3048 | the standard assembler generates it, so... */ | |
3049 | if (last_functionP == (symbolS *) 0) | |
3050 | as_fatal (_("C_EFCN symbol out of scope")); | |
3051 | SA_SET_SYM_FSIZE (last_functionP, | |
3052 | (long) (S_GET_VALUE (symbolP) - | |
3053 | S_GET_VALUE (last_functionP))); | |
3054 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
3055 | last_functionP = (symbolS *) 0; | |
3056 | } | |
3057 | } | |
3058 | } | |
3059 | else if (SF_GET_TAG (symbolP)) | |
3060 | { | |
3061 | /* First descriptor of a structure must point to | |
f8e42b8c | 3062 | the first slot after the structure description. */ |
252b5132 RH |
3063 | last_tagP = symbolP; |
3064 | ||
3065 | } | |
3066 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) | |
3067 | { | |
f8e42b8c | 3068 | /* +2 take in account the current symbol. */ |
252b5132 RH |
3069 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); |
3070 | } | |
3071 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) | |
3072 | { | |
3073 | /* If the filename was too long to fit in the | |
f8e42b8c | 3074 | auxent, put it in the string table. */ |
252b5132 RH |
3075 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
3076 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3077 | { | |
3078 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
3079 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
3080 | filename_list_scan = filename_list_scan->next; | |
3081 | } | |
3082 | if (S_GET_VALUE (symbolP)) | |
3083 | { | |
3084 | S_SET_VALUE (symbolP, last_file_symno); | |
3085 | last_file_symno = symbol_number; | |
f8e42b8c NC |
3086 | } |
3087 | } | |
252b5132 RH |
3088 | |
3089 | #ifdef tc_frob_coff_symbol | |
3090 | tc_frob_coff_symbol (symbolP); | |
3091 | #endif | |
3092 | ||
3093 | /* We must put the external symbols apart. The loader | |
3094 | does not bomb if we do not. But the references in | |
3095 | the endndx field for a .bb symbol are not corrected | |
3096 | if an external symbol is removed between .bb and .be. | |
3097 | I.e in the following case : | |
3098 | [20] .bb endndx = 22 | |
3099 | [21] foo external | |
3100 | [22] .be | |
3101 | ld will move the symbol 21 to the end of the list but | |
dcd619be | 3102 | endndx will still be 22 instead of 21. */ |
252b5132 RH |
3103 | |
3104 | if (SF_GET_LOCAL (symbolP)) | |
3105 | { | |
f8e42b8c NC |
3106 | /* Remove C_EFCN and LOCAL (L...) symbols. */ |
3107 | /* Next pointer remains valid. */ | |
252b5132 RH |
3108 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3109 | ||
3110 | } | |
3111 | else if (symbolP->sy_value.X_op == O_symbol | |
3112 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
3113 | { | |
3114 | /* Skip symbols which were equated to undefined or common | |
3115 | symbols. */ | |
3116 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3117 | } | |
3118 | else if (!S_IS_DEFINED (symbolP) | |
3119 | && !S_IS_DEBUG (symbolP) | |
3120 | && !SF_GET_STATICS (symbolP) | |
3121 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3122 | #ifdef TE_PE | |
3123 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3124 | #endif | |
3125 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)) | |
3126 | { | |
f8e42b8c | 3127 | /* If external, Remove from the list. */ |
252b5132 RH |
3128 | symbolS *hold = symbol_previous (symbolP); |
3129 | ||
3130 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3131 | symbol_clear_list_pointers (symbolP); | |
3132 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
3133 | symbolP = hold; | |
3134 | } | |
3135 | else if (! S_IS_DEBUG (symbolP) | |
3136 | && ! SF_GET_STATICS (symbolP) | |
3137 | && ! SF_GET_FUNCTION (symbolP) | |
3138 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3139 | #ifdef TE_PE | |
3140 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3141 | #endif | |
3142 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK)) | |
3143 | { | |
3144 | symbolS *hold = symbol_previous (symbolP); | |
3145 | ||
3146 | /* The O'Reilly COFF book says that defined global symbols | |
3147 | come at the end of the symbol table, just before | |
3148 | undefined global symbols. */ | |
252b5132 RH |
3149 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3150 | symbol_clear_list_pointers (symbolP); | |
3151 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
3152 | &symbol_global_lastP); | |
3153 | symbolP = hold; | |
3154 | } | |
3155 | else | |
3156 | { | |
3157 | if (SF_GET_STRING (symbolP)) | |
3158 | { | |
3159 | symbolP->sy_name_offset = string_byte_count; | |
3160 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
3161 | } | |
3162 | else | |
3163 | { | |
3164 | symbolP->sy_name_offset = 0; | |
f8e42b8c | 3165 | } |
252b5132 RH |
3166 | |
3167 | symbolP->sy_number = symbol_number; | |
3168 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
f8e42b8c NC |
3169 | } |
3170 | } | |
252b5132 | 3171 | |
f8e42b8c | 3172 | return symbol_number; |
252b5132 RH |
3173 | } |
3174 | ||
252b5132 RH |
3175 | static unsigned int |
3176 | glue_symbols (head, tail) | |
3177 | symbolS **head; | |
3178 | symbolS **tail; | |
3179 | { | |
3180 | unsigned int symbol_number = 0; | |
3181 | ||
3182 | while (*head != NULL) | |
3183 | { | |
3184 | symbolS *tmp = *head; | |
3185 | ||
f8e42b8c | 3186 | /* Append. */ |
252b5132 RH |
3187 | symbol_remove (tmp, head, tail); |
3188 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
3189 | ||
f8e42b8c | 3190 | /* Process. */ |
252b5132 RH |
3191 | if (SF_GET_STRING (tmp)) |
3192 | { | |
3193 | tmp->sy_name_offset = string_byte_count; | |
3194 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
3195 | } | |
3196 | else | |
3197 | { | |
f8e42b8c | 3198 | /* Fix "long" names. */ |
252b5132 | 3199 | tmp->sy_name_offset = 0; |
f8e42b8c | 3200 | } |
252b5132 RH |
3201 | |
3202 | tmp->sy_number = symbol_number; | |
3203 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
f8e42b8c | 3204 | } |
252b5132 RH |
3205 | |
3206 | return symbol_number; | |
3207 | } | |
3208 | ||
3209 | static unsigned int | |
3210 | tie_tags () | |
3211 | { | |
3212 | unsigned int symbol_number = 0; | |
3213 | symbolS *symbolP; | |
3214 | ||
3215 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3216 | { | |
3217 | symbolP->sy_number = symbol_number; | |
3218 | ||
3219 | if (SF_GET_TAGGED (symbolP)) | |
3220 | { | |
3221 | SA_SET_SYM_TAGNDX | |
3222 | (symbolP, | |
3223 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
3224 | } | |
3225 | ||
3226 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
3227 | } | |
3228 | ||
3229 | return symbol_number; | |
3230 | } | |
3231 | ||
f8e42b8c | 3232 | |
252b5132 RH |
3233 | static void |
3234 | crawl_symbols (h, abfd) | |
3235 | object_headers *h; | |
a04b544b | 3236 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
3237 | { |
3238 | unsigned int i; | |
3239 | ||
f8e42b8c | 3240 | /* Initialize the stack used to keep track of the matching .bb .be. */ |
252b5132 RH |
3241 | |
3242 | block_stack = stack_init (512, sizeof (symbolS *)); | |
3243 | ||
3244 | /* The symbol list should be ordered according to the following sequence | |
f8e42b8c NC |
3245 | order : |
3246 | . .file symbol | |
3247 | . debug entries for functions | |
3248 | . fake symbols for the sections, including .text .data and .bss | |
3249 | . defined symbols | |
3250 | . undefined symbols | |
3251 | But this is not mandatory. The only important point is to put the | |
3252 | undefined symbols at the end of the list. */ | |
252b5132 | 3253 | |
dcd619be | 3254 | /* Is there a .file symbol ? If not insert one at the beginning. */ |
252b5132 RH |
3255 | if (symbol_rootP == NULL |
3256 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
f8e42b8c | 3257 | c_dot_file_symbol ("fake"); |
252b5132 | 3258 | |
f8e42b8c | 3259 | /* Build up static symbols for the sections, they are filled in later. */ |
252b5132 | 3260 | |
252b5132 RH |
3261 | for (i = SEG_E0; i < SEG_LAST; i++) |
3262 | if (segment_info[i].scnhdr.s_name[0]) | |
f8e42b8c | 3263 | segment_info[i].dot = c_section_symbol ((char *) segment_info[i].name, |
252b5132 RH |
3264 | i - SEG_E0 + 1); |
3265 | ||
f8e42b8c | 3266 | /* Take all the externals out and put them into another chain. */ |
252b5132 | 3267 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); |
f8e42b8c | 3268 | /* Take the externals and glue them onto the end. */ |
252b5132 RH |
3269 | H_SET_SYMBOL_TABLE_SIZE (h, |
3270 | (H_GET_SYMBOL_COUNT (h) | |
3271 | + glue_symbols (&symbol_globalP, | |
3272 | &symbol_global_lastP) | |
3273 | + glue_symbols (&symbol_externP, | |
3274 | &symbol_extern_lastP))); | |
3275 | ||
3276 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
3277 | know (symbol_globalP == NULL); | |
3278 | know (symbol_global_lastP == NULL); | |
3279 | know (symbol_externP == NULL); | |
3280 | know (symbol_extern_lastP == NULL); | |
3281 | } | |
3282 | ||
f8e42b8c | 3283 | /* Find strings by crawling along symbol table chain. */ |
252b5132 RH |
3284 | |
3285 | void | |
3286 | w_strings (where) | |
3287 | char *where; | |
3288 | { | |
3289 | symbolS *symbolP; | |
3290 | struct filename_list *filename_list_scan = filename_list_head; | |
3291 | ||
f8e42b8c | 3292 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK. */ |
252b5132 RH |
3293 | md_number_to_chars (where, (valueT) string_byte_count, 4); |
3294 | where += 4; | |
3295 | ||
3296 | #ifdef COFF_LONG_SECTION_NAMES | |
3297 | /* Support long section names as found in PE. This code must | |
3298 | coordinate with that in coff_header_append and write_object_file. */ | |
3299 | { | |
3300 | unsigned int i; | |
3301 | ||
3302 | for (i = SEG_E0; i < SEG_LAST; i++) | |
3303 | { | |
3304 | if (segment_info[i].scnhdr.s_name[0] | |
3305 | && strlen (segment_info[i].name) > SCNNMLEN) | |
3306 | { | |
3307 | unsigned int size; | |
3308 | ||
3309 | size = strlen (segment_info[i].name) + 1; | |
3310 | memcpy (where, segment_info[i].name, size); | |
3311 | where += size; | |
3312 | } | |
3313 | } | |
3314 | } | |
3315 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3316 | ||
3317 | for (symbolP = symbol_rootP; | |
3318 | symbolP; | |
3319 | symbolP = symbol_next (symbolP)) | |
3320 | { | |
3321 | unsigned int size; | |
3322 | ||
3323 | if (SF_GET_STRING (symbolP)) | |
3324 | { | |
3325 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
3326 | memcpy (where, S_GET_NAME (symbolP), size); | |
3327 | where += size; | |
3328 | } | |
3329 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
3330 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 | |
3331 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3332 | { | |
3333 | size = strlen (filename_list_scan->filename) + 1; | |
3334 | memcpy (where, filename_list_scan->filename, size); | |
3335 | filename_list_scan = filename_list_scan ->next; | |
3336 | where += size; | |
3337 | } | |
3338 | } | |
3339 | } | |
3340 | ||
3341 | static void | |
3342 | do_linenos_for (abfd, h, file_cursor) | |
3343 | bfd * abfd; | |
3344 | object_headers * h; | |
3345 | unsigned long *file_cursor; | |
3346 | { | |
3347 | unsigned int idx; | |
3348 | unsigned long start = *file_cursor; | |
3349 | ||
3350 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
3351 | { | |
3352 | segment_info_type *s = segment_info + idx; | |
3353 | ||
252b5132 RH |
3354 | if (s->scnhdr.s_nlnno != 0) |
3355 | { | |
3356 | struct lineno_list *line_ptr; | |
3357 | ||
3358 | struct external_lineno *buffer = | |
3359 | (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); | |
3360 | ||
3361 | struct external_lineno *dst = buffer; | |
3362 | ||
3363 | /* Run through the table we've built and turn it into its external | |
f8e42b8c | 3364 | form, take this chance to remove duplicates. */ |
252b5132 RH |
3365 | |
3366 | for (line_ptr = s->lineno_list_head; | |
3367 | line_ptr != (struct lineno_list *) NULL; | |
3368 | line_ptr = line_ptr->next) | |
3369 | { | |
252b5132 RH |
3370 | if (line_ptr->line.l_lnno == 0) |
3371 | { | |
ea3b9044 NC |
3372 | /* Turn a pointer to a symbol into the symbols' index, |
3373 | provided that it has been initialised. */ | |
3374 | if (line_ptr->line.l_addr.l_symndx) | |
3375 | line_ptr->line.l_addr.l_symndx = | |
3376 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
252b5132 RH |
3377 | } |
3378 | else | |
f8e42b8c | 3379 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; |
252b5132 | 3380 | |
252b5132 RH |
3381 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); |
3382 | dst++; | |
252b5132 RH |
3383 | } |
3384 | ||
3385 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3386 | ||
0e1a166b | 3387 | bfd_bwrite (buffer, (bfd_size_type) s->scnhdr.s_nlnno * LINESZ, abfd); |
252b5132 RH |
3388 | free (buffer); |
3389 | ||
3390 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3391 | } | |
3392 | } | |
f8e42b8c | 3393 | |
252b5132 RH |
3394 | H_SET_LINENO_SIZE (h, *file_cursor - start); |
3395 | } | |
3396 | ||
252b5132 RH |
3397 | /* Now we run through the list of frag chains in a segment and |
3398 | make all the subsegment frags appear at the end of the | |
f8e42b8c | 3399 | list, as if the seg 0 was extra long. */ |
252b5132 RH |
3400 | |
3401 | static void | |
3402 | remove_subsegs () | |
3403 | { | |
3404 | unsigned int i; | |
3405 | ||
3406 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3407 | { | |
3408 | frchainS *head = segment_info[i].frchainP; | |
3409 | fragS dummy; | |
3410 | fragS *prev_frag = &dummy; | |
3411 | ||
3412 | while (head && head->frch_seg == i) | |
3413 | { | |
3414 | prev_frag->fr_next = head->frch_root; | |
3415 | prev_frag = head->frch_last; | |
3416 | head = head->frch_next; | |
3417 | } | |
3418 | prev_frag->fr_next = 0; | |
3419 | } | |
3420 | } | |
3421 | ||
3422 | unsigned long machine; | |
3423 | int coff_flags; | |
f8e42b8c | 3424 | |
18e1d487 AM |
3425 | #ifndef SUB_SEGMENT_ALIGN |
3426 | #ifdef HANDLE_ALIGN | |
3427 | /* The last subsegment gets an aligment corresponding to the alignment | |
3428 | of the section. This allows proper nop-filling at the end of | |
3429 | code-bearing sections. */ | |
3430 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ | |
3431 | (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \ | |
3432 | ? get_recorded_alignment (SEG) : 0) | |
3433 | #else | |
3434 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 1 | |
3435 | #endif | |
3436 | #endif | |
3437 | ||
252b5132 RH |
3438 | extern void |
3439 | write_object_file () | |
3440 | { | |
3441 | int i; | |
3442 | const char *name; | |
3443 | struct frchain *frchain_ptr; | |
3444 | ||
3445 | object_headers headers; | |
3446 | unsigned long file_cursor; | |
3447 | bfd *abfd; | |
3448 | unsigned int addr; | |
3449 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
3450 | ||
252b5132 RH |
3451 | if (abfd == 0) |
3452 | { | |
3453 | as_perror (_("FATAL: Can't create %s"), out_file_name); | |
3454 | exit (EXIT_FAILURE); | |
3455 | } | |
3456 | bfd_set_format (abfd, bfd_object); | |
3457 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
3458 | ||
3459 | string_byte_count = 4; | |
3460 | ||
18e1d487 AM |
3461 | /* Run through all the sub-segments and align them up. Also |
3462 | close any open frags. We tack a .fill onto the end of the | |
3463 | frag chain so that any .align's size can be worked by looking | |
3464 | at the next frag. */ | |
252b5132 RH |
3465 | for (frchain_ptr = frchain_root; |
3466 | frchain_ptr != (struct frchain *) NULL; | |
3467 | frchain_ptr = frchain_ptr->frch_next) | |
3468 | { | |
18e1d487 | 3469 | int alignment; |
252b5132 RH |
3470 | |
3471 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); | |
b9e57a38 | 3472 | |
18e1d487 AM |
3473 | alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr) |
3474 | ||
252b5132 | 3475 | #ifdef md_do_align |
18e1d487 | 3476 | md_do_align (alignment, (char *) NULL, 0, 0, alignment_done); |
252b5132 | 3477 | #endif |
0a9ef439 | 3478 | if (subseg_text_p (now_seg)) |
18e1d487 | 3479 | frag_align_code (alignment, 0); |
0a9ef439 | 3480 | else |
18e1d487 | 3481 | frag_align (alignment, 0, 0); |
0a9ef439 | 3482 | |
252b5132 RH |
3483 | #ifdef md_do_align |
3484 | alignment_done: | |
3485 | #endif | |
0a9ef439 | 3486 | |
252b5132 RH |
3487 | frag_wane (frag_now); |
3488 | frag_now->fr_fix = 0; | |
3489 | know (frag_now->fr_next == NULL); | |
3490 | } | |
3491 | ||
252b5132 RH |
3492 | remove_subsegs (); |
3493 | ||
252b5132 | 3494 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
f8e42b8c | 3495 | relax_segment (segment_info[i].frchainP->frch_root, i); |
252b5132 | 3496 | |
1cd55018 AM |
3497 | /* Relaxation has completed. Freeze all syms. */ |
3498 | finalize_syms = 1; | |
3499 | ||
252b5132 RH |
3500 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); |
3501 | ||
3502 | /* Find out how big the sections are, and set the addresses. */ | |
3503 | addr = 0; | |
3504 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3505 | { | |
3506 | long size; | |
3507 | ||
3508 | segment_info[i].scnhdr.s_paddr = addr; | |
3509 | segment_info[i].scnhdr.s_vaddr = addr; | |
3510 | ||
3511 | if (segment_info[i].scnhdr.s_name[0]) | |
3512 | { | |
3513 | H_SET_NUMBER_OF_SECTIONS (&headers, | |
3514 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
3515 | ||
3516 | #ifdef COFF_LONG_SECTION_NAMES | |
3517 | /* Support long section names as found in PE. This code | |
3518 | must coordinate with that in coff_header_append and | |
3519 | w_strings. */ | |
3520 | { | |
3521 | unsigned int len; | |
3522 | ||
3523 | len = strlen (segment_info[i].name); | |
3524 | if (len > SCNNMLEN) | |
3525 | string_byte_count += len + 1; | |
3526 | } | |
3527 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3528 | } | |
3529 | ||
3530 | size = size_section (abfd, (unsigned int) i); | |
3531 | addr += size; | |
3532 | ||
3533 | /* I think the section alignment is only used on the i960; the | |
3534 | i960 needs it, and it should do no harm on other targets. */ | |
3535 | #ifdef ALIGNMENT_IN_S_FLAGS | |
3536 | segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8; | |
3537 | #else | |
3538 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; | |
3539 | #endif | |
3540 | ||
3541 | if (i == SEG_E0) | |
3542 | H_SET_TEXT_SIZE (&headers, size); | |
3543 | else if (i == SEG_E1) | |
3544 | H_SET_DATA_SIZE (&headers, size); | |
3545 | else if (i == SEG_E2) | |
3546 | H_SET_BSS_SIZE (&headers, size); | |
3547 | } | |
3548 | ||
f8e42b8c | 3549 | /* Turn the gas native symbol table shape into a coff symbol table. */ |
252b5132 RH |
3550 | crawl_symbols (&headers, abfd); |
3551 | ||
3552 | if (string_byte_count == 4) | |
3553 | string_byte_count = 0; | |
3554 | ||
3555 | H_SET_STRING_SIZE (&headers, string_byte_count); | |
3556 | ||
3557 | #ifdef tc_frob_file | |
3558 | tc_frob_file (); | |
3559 | #endif | |
3560 | ||
3561 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3562 | { | |
3563 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); | |
3564 | fixup_segment (&segment_info[i], i); | |
3565 | } | |
3566 | ||
3567 | /* Look for ".stab" segments and fill in their initial symbols | |
dcd619be | 3568 | correctly. */ |
252b5132 RH |
3569 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
3570 | { | |
3571 | name = segment_info[i].name; | |
3572 | ||
3573 | if (name != NULL | |
3574 | && strncmp (".stab", name, 5) == 0 | |
3575 | && strncmp (".stabstr", name, 8) != 0) | |
3576 | adjust_stab_section (abfd, i); | |
3577 | } | |
3578 | ||
3579 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); | |
3580 | ||
3581 | bfd_seek (abfd, (file_ptr) file_cursor, 0); | |
3582 | ||
f8e42b8c | 3583 | /* Plant the data. */ |
252b5132 RH |
3584 | fill_section (abfd, &headers, &file_cursor); |
3585 | ||
3586 | do_relocs_for (abfd, &headers, &file_cursor); | |
3587 | ||
3588 | do_linenos_for (abfd, &headers, &file_cursor); | |
3589 | ||
3590 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
3591 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
3592 | H_SET_TIME_STAMP (&headers, (long)time((time_t *)0)); | |
3593 | #else | |
3594 | H_SET_TIME_STAMP (&headers, 0); | |
3595 | #endif | |
3596 | #ifdef TC_COFF_SET_MACHINE | |
3597 | TC_COFF_SET_MACHINE (&headers); | |
3598 | #endif | |
3599 | ||
3600 | #ifndef COFF_FLAGS | |
3601 | #define COFF_FLAGS 0 | |
3602 | #endif | |
3603 | ||
3604 | #ifdef KEEP_RELOC_INFO | |
3605 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3606 | COFF_FLAGS | coff_flags)); | |
3607 | #else | |
3608 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3609 | (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | | |
3610 | COFF_FLAGS | coff_flags)); | |
3611 | #endif | |
3612 | ||
3613 | { | |
3614 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
3615 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
3616 | ||
3617 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); | |
3618 | w_symbols (abfd, buffer1, symbol_rootP); | |
3619 | if (string_byte_count > 0) | |
3620 | w_strings (buffer1 + symtable_size); | |
0e1a166b AM |
3621 | bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count, |
3622 | abfd); | |
252b5132 RH |
3623 | free (buffer1); |
3624 | } | |
3625 | ||
3626 | coff_header_append (abfd, &headers); | |
3627 | #if 0 | |
3628 | /* Recent changes to write need this, but where it should | |
dcd619be | 3629 | go is up to Ken.. */ |
252b5132 RH |
3630 | if (bfd_close_all_done (abfd) == false) |
3631 | as_fatal (_("Can't close %s: %s"), out_file_name, | |
3632 | bfd_errmsg (bfd_get_error ())); | |
3633 | #else | |
3634 | { | |
3635 | extern bfd *stdoutput; | |
3636 | stdoutput = abfd; | |
3637 | } | |
3638 | #endif | |
3639 | ||
3640 | } | |
3641 | ||
3642 | /* Add a new segment. This is called from subseg_new via the | |
3643 | obj_new_segment macro. */ | |
3644 | ||
3645 | segT | |
3646 | obj_coff_add_segment (name) | |
3647 | const char *name; | |
3648 | { | |
3649 | unsigned int i; | |
3650 | ||
3651 | #ifndef COFF_LONG_SECTION_NAMES | |
3652 | char buf[SCNNMLEN + 1]; | |
3653 | ||
3654 | strncpy (buf, name, SCNNMLEN); | |
3655 | buf[SCNNMLEN] = '\0'; | |
3656 | name = buf; | |
3657 | #endif | |
3658 | ||
3659 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) | |
3660 | if (strcmp (name, segment_info[i].name) == 0) | |
3661 | return (segT) i; | |
3662 | ||
3663 | if (i == SEG_LAST) | |
3664 | { | |
3665 | as_bad (_("Too many new sections; can't add \"%s\""), name); | |
3666 | return now_seg; | |
3667 | } | |
3668 | ||
3669 | /* Add a new section. */ | |
3670 | strncpy (segment_info[i].scnhdr.s_name, name, | |
3671 | sizeof (segment_info[i].scnhdr.s_name)); | |
3672 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
3673 | segment_info[i].name = xstrdup (name); | |
3674 | ||
3675 | return (segT) i; | |
3676 | } | |
3677 | ||
f8e42b8c NC |
3678 | /* Implement the .section pseudo op: |
3679 | .section name {, "flags"} | |
3680 | ^ ^ | |
3681 | | +--- optional flags: 'b' for bss | |
3682 | | 'i' for info | |
3683 | +-- section name 'l' for lib | |
3684 | 'n' for noload | |
3685 | 'o' for over | |
3686 | 'w' for data | |
3687 | 'd' (apparently m88k for data) | |
3688 | 'x' for text | |
3689 | 'r' for read-only data | |
3690 | But if the argument is not a quoted string, treat it as a | |
3691 | subsegment number. */ | |
252b5132 RH |
3692 | |
3693 | void | |
3694 | obj_coff_section (ignore) | |
a04b544b | 3695 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 3696 | { |
f8e42b8c | 3697 | /* Strip out the section name. */ |
252b5132 RH |
3698 | char *section_name, *name; |
3699 | char c; | |
3700 | unsigned int exp; | |
3701 | long flags; | |
3702 | ||
3703 | if (flag_mri) | |
3704 | { | |
3705 | char type; | |
3706 | ||
3707 | s_mri_sect (&type); | |
3708 | flags = 0; | |
3709 | if (type == 'C') | |
3710 | flags = STYP_TEXT; | |
3711 | else if (type == 'D') | |
3712 | flags = STYP_DATA; | |
3713 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3714 | ||
3715 | return; | |
3716 | } | |
3717 | ||
3718 | section_name = input_line_pointer; | |
3719 | c = get_symbol_end (); | |
3720 | ||
3721 | name = xmalloc (input_line_pointer - section_name + 1); | |
3722 | strcpy (name, section_name); | |
3723 | ||
3724 | *input_line_pointer = c; | |
3725 | ||
3726 | exp = 0; | |
3727 | flags = 0; | |
3728 | ||
3729 | SKIP_WHITESPACE (); | |
3730 | if (*input_line_pointer == ',') | |
3731 | { | |
3732 | ++input_line_pointer; | |
3733 | SKIP_WHITESPACE (); | |
3734 | ||
3735 | if (*input_line_pointer != '"') | |
3736 | exp = get_absolute_expression (); | |
3737 | else | |
3738 | { | |
3739 | ++input_line_pointer; | |
3740 | while (*input_line_pointer != '"' | |
3741 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3742 | { | |
3743 | switch (*input_line_pointer) | |
3744 | { | |
3745 | case 'b': flags |= STYP_BSS; break; | |
3746 | case 'i': flags |= STYP_INFO; break; | |
3747 | case 'l': flags |= STYP_LIB; break; | |
3748 | case 'n': flags |= STYP_NOLOAD; break; | |
3749 | case 'o': flags |= STYP_OVER; break; | |
3750 | case 'd': | |
3751 | case 'w': flags |= STYP_DATA; break; | |
3752 | case 'x': flags |= STYP_TEXT; break; | |
3753 | case 'r': flags |= STYP_LIT; break; | |
3754 | default: | |
3755 | as_warn(_("unknown section attribute '%c'"), | |
3756 | *input_line_pointer); | |
3757 | break; | |
3758 | } | |
3759 | ++input_line_pointer; | |
3760 | } | |
3761 | if (*input_line_pointer == '"') | |
3762 | ++input_line_pointer; | |
3763 | } | |
3764 | } | |
3765 | ||
3766 | subseg_new (name, (subsegT) exp); | |
3767 | ||
3768 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3769 | ||
3770 | demand_empty_rest_of_line (); | |
3771 | } | |
3772 | ||
252b5132 RH |
3773 | static void |
3774 | obj_coff_text (ignore) | |
a04b544b | 3775 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3776 | { |
3777 | subseg_new (".text", get_absolute_expression ()); | |
3778 | } | |
3779 | ||
252b5132 RH |
3780 | static void |
3781 | obj_coff_data (ignore) | |
a04b544b | 3782 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3783 | { |
3784 | if (flag_readonly_data_in_text) | |
3785 | subseg_new (".text", get_absolute_expression () + 1000); | |
3786 | else | |
3787 | subseg_new (".data", get_absolute_expression ()); | |
3788 | } | |
3789 | ||
3790 | static void | |
3791 | obj_coff_ident (ignore) | |
a04b544b | 3792 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 3793 | { |
f8e42b8c | 3794 | segT current_seg = now_seg; /* Save current seg. */ |
252b5132 | 3795 | subsegT current_subseg = now_subseg; |
f8e42b8c NC |
3796 | |
3797 | subseg_new (".comment", 0); /* .comment seg. */ | |
3798 | stringer (1); /* Read string. */ | |
3799 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ | |
252b5132 RH |
3800 | } |
3801 | ||
3802 | void | |
3803 | c_symbol_merge (debug, normal) | |
3804 | symbolS *debug; | |
3805 | symbolS *normal; | |
3806 | { | |
3807 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
3808 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
3809 | ||
3810 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
f8e42b8c | 3811 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); |
252b5132 RH |
3812 | |
3813 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
f8e42b8c NC |
3814 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], |
3815 | (char *) &debug->sy_symbol.ost_auxent[0], | |
3816 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
252b5132 | 3817 | |
dcd619be | 3818 | /* Move the debug flags. */ |
252b5132 | 3819 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
f8e42b8c | 3820 | } |
252b5132 RH |
3821 | |
3822 | static int | |
3823 | c_line_new (symbol, paddr, line_number, frag) | |
3824 | symbolS * symbol; | |
3825 | long paddr; | |
3826 | int line_number; | |
3827 | fragS * frag; | |
3828 | { | |
3829 | struct lineno_list *new_line = | |
3830 | (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); | |
3831 | ||
3832 | segment_info_type *s = segment_info + now_seg; | |
3833 | new_line->line.l_lnno = line_number; | |
3834 | ||
3835 | if (line_number == 0) | |
3836 | { | |
3837 | last_line_symbol = symbol; | |
3838 | new_line->line.l_addr.l_symndx = (long) symbol; | |
3839 | } | |
3840 | else | |
3841 | { | |
3842 | new_line->line.l_addr.l_paddr = paddr; | |
3843 | } | |
3844 | ||
3845 | new_line->frag = (char *) frag; | |
3846 | new_line->next = (struct lineno_list *) NULL; | |
3847 | ||
252b5132 | 3848 | if (s->lineno_list_head == (struct lineno_list *) NULL) |
f8e42b8c | 3849 | s->lineno_list_head = new_line; |
252b5132 | 3850 | else |
f8e42b8c NC |
3851 | s->lineno_list_tail->next = new_line; |
3852 | ||
252b5132 RH |
3853 | s->lineno_list_tail = new_line; |
3854 | return LINESZ * s->scnhdr.s_nlnno++; | |
3855 | } | |
3856 | ||
3857 | void | |
3858 | c_dot_file_symbol (filename) | |
3859 | char *filename; | |
3860 | { | |
3861 | symbolS *symbolP; | |
3862 | ||
3863 | symbolP = symbol_new (".file", | |
3864 | SEG_DEBUG, | |
3865 | 0, | |
3866 | &zero_address_frag); | |
3867 | ||
3868 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
3869 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3870 | ||
3871 | if (strlen (filename) > FILNMLEN) | |
3872 | { | |
3873 | /* Filename is too long to fit into an auxent, | |
3874 | we stick it into the string table instead. We keep | |
3875 | a linked list of the filenames we find so we can emit | |
f8e42b8c | 3876 | them later. */ |
252b5132 RH |
3877 | struct filename_list *f = ((struct filename_list *) |
3878 | xmalloc (sizeof (struct filename_list))); | |
3879 | ||
3880 | f->filename = filename; | |
3881 | f->next = 0; | |
3882 | ||
3883 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
3884 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); | |
3885 | ||
dcd619be | 3886 | if (filename_list_tail) |
252b5132 RH |
3887 | filename_list_tail->next = f; |
3888 | else | |
3889 | filename_list_head = f; | |
dcd619be | 3890 | filename_list_tail = f; |
252b5132 | 3891 | } |
dcd619be | 3892 | else |
252b5132 RH |
3893 | { |
3894 | SA_SET_FILE_FNAME (symbolP, filename); | |
3895 | } | |
3896 | #ifndef NO_LISTING | |
3897 | { | |
3898 | extern int listing; | |
3899 | if (listing) | |
f8e42b8c | 3900 | listing_source_file (filename); |
252b5132 | 3901 | } |
252b5132 RH |
3902 | #endif |
3903 | SF_SET_DEBUG (symbolP); | |
3904 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
3905 | ||
3906 | previous_file_symbol = symbolP; | |
3907 | ||
f8e42b8c | 3908 | /* Make sure that the symbol is first on the symbol chain. */ |
252b5132 RH |
3909 | if (symbol_rootP != symbolP) |
3910 | { | |
3911 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3912 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
3913 | } | |
f8e42b8c | 3914 | } |
252b5132 | 3915 | |
f8e42b8c | 3916 | /* Build a 'section static' symbol. */ |
252b5132 RH |
3917 | |
3918 | symbolS * | |
3919 | c_section_symbol (name, idx) | |
3920 | char *name; | |
3921 | int idx; | |
3922 | { | |
3923 | symbolS *symbolP; | |
3924 | ||
3925 | symbolP = symbol_find_base (name, DO_NOT_STRIP); | |
3926 | if (symbolP == NULL) | |
3927 | symbolP = symbol_new (name, idx, 0, &zero_address_frag); | |
3928 | else | |
3929 | { | |
3930 | /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */ | |
3931 | S_SET_SEGMENT (symbolP, idx); | |
3932 | symbolP->sy_frag = &zero_address_frag; | |
3933 | } | |
3934 | ||
3935 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3936 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3937 | ||
3938 | SF_SET_STATICS (symbolP); | |
3939 | ||
3940 | #ifdef TE_DELTA | |
3941 | /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared, | |
3942 | which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */ | |
3943 | SF_CLEAR_LOCAL (symbolP); | |
3944 | #endif | |
3945 | #ifdef TE_PE | |
3946 | /* If the .linkonce pseudo-op was used for this section, we must | |
3947 | store the information in the auxiliary entry for the section | |
3948 | symbol. */ | |
3949 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
3950 | { | |
3951 | int type; | |
3952 | ||
3953 | switch (segment_info[idx].linkonce) | |
3954 | { | |
3955 | default: | |
3956 | abort (); | |
3957 | case LINKONCE_DISCARD: | |
3958 | type = IMAGE_COMDAT_SELECT_ANY; | |
3959 | break; | |
3960 | case LINKONCE_ONE_ONLY: | |
3961 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
3962 | break; | |
3963 | case LINKONCE_SAME_SIZE: | |
3964 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
3965 | break; | |
3966 | case LINKONCE_SAME_CONTENTS: | |
3967 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
3968 | break; | |
3969 | } | |
3970 | ||
3971 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
3972 | } | |
3973 | #endif /* TE_PE */ | |
3974 | ||
3975 | return symbolP; | |
f8e42b8c | 3976 | } |
252b5132 RH |
3977 | |
3978 | static void | |
3979 | w_symbols (abfd, where, symbol_rootP) | |
3980 | bfd * abfd; | |
3981 | char *where; | |
3982 | symbolS * symbol_rootP; | |
3983 | { | |
3984 | symbolS *symbolP; | |
3985 | unsigned int i; | |
3986 | ||
f8e42b8c | 3987 | /* First fill in those values we have only just worked out. */ |
252b5132 RH |
3988 | for (i = SEG_E0; i < SEG_LAST; i++) |
3989 | { | |
3990 | symbolP = segment_info[i].dot; | |
3991 | if (symbolP) | |
3992 | { | |
3993 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); | |
3994 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
3995 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
3996 | } | |
3997 | } | |
3998 | ||
f8e42b8c | 3999 | /* Emit all symbols left in the symbol chain. */ |
252b5132 RH |
4000 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) |
4001 | { | |
4002 | /* Used to save the offset of the name. It is used to point | |
f8e42b8c NC |
4003 | to the string in memory but must be a file offset. */ |
4004 | char *temp; | |
252b5132 RH |
4005 | |
4006 | /* We can't fix the lnnoptr field in yank_symbols with the other | |
4007 | adjustments, because we have to wait until we know where they | |
4008 | go in the file. */ | |
4009 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
f8e42b8c NC |
4010 | SA_GET_SYM_LNNOPTR (symbolP) += |
4011 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
252b5132 RH |
4012 | |
4013 | tc_coff_symbol_emit_hook (symbolP); | |
4014 | ||
4015 | temp = S_GET_NAME (symbolP); | |
4016 | if (SF_GET_STRING (symbolP)) | |
4017 | { | |
4018 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
4019 | S_SET_ZEROES (symbolP, 0); | |
4020 | } | |
4021 | else | |
4022 | { | |
4023 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
4024 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
4025 | } | |
4026 | where = symbol_to_chars (abfd, where, symbolP); | |
4027 | S_SET_NAME (symbolP, temp); | |
4028 | } | |
f8e42b8c | 4029 | } |
252b5132 RH |
4030 | |
4031 | static void | |
4032 | obj_coff_lcomm (ignore) | |
a04b544b | 4033 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4034 | { |
4035 | s_lcomm(0); | |
4036 | return; | |
4037 | #if 0 | |
4038 | char *name; | |
4039 | char c; | |
4040 | int temp; | |
4041 | char *p; | |
4042 | ||
4043 | symbolS *symbolP; | |
4044 | ||
4045 | name = input_line_pointer; | |
4046 | ||
4047 | c = get_symbol_end (); | |
4048 | p = input_line_pointer; | |
4049 | *p = c; | |
4050 | SKIP_WHITESPACE (); | |
4051 | if (*input_line_pointer != ',') | |
4052 | { | |
4053 | as_bad (_("Expected comma after name")); | |
4054 | ignore_rest_of_line (); | |
4055 | return; | |
4056 | } | |
4057 | if (*input_line_pointer == '\n') | |
4058 | { | |
4059 | as_bad (_("Missing size expression")); | |
4060 | return; | |
4061 | } | |
4062 | input_line_pointer++; | |
4063 | if ((temp = get_absolute_expression ()) < 0) | |
4064 | { | |
4065 | as_warn (_("lcomm length (%d.) <0! Ignored."), temp); | |
4066 | ignore_rest_of_line (); | |
4067 | return; | |
4068 | } | |
4069 | *p = 0; | |
4070 | ||
708b82c7 | 4071 | symbolP = symbol_find_or_make (name); |
252b5132 | 4072 | |
708b82c7 NC |
4073 | if (S_GET_SEGMENT (symbolP) == SEG_UNKNOWN && |
4074 | S_GET_VALUE (symbolP) == 0) | |
252b5132 RH |
4075 | { |
4076 | if (! need_pass_2) | |
4077 | { | |
4078 | char *p; | |
f8e42b8c | 4079 | segT current_seg = now_seg; /* Save current seg. */ |
252b5132 RH |
4080 | subsegT current_subseg = now_subseg; |
4081 | ||
4082 | subseg_set (SEG_E2, 1); | |
4083 | symbolP->sy_frag = frag_now; | |
4084 | p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP, | |
4085 | (offsetT) temp, (char *) 0); | |
4086 | *p = 0; | |
f8e42b8c | 4087 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ |
708b82c7 NC |
4088 | S_SET_SEGMENT (symbolP, SEG_E2); |
4089 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
252b5132 RH |
4090 | } |
4091 | } | |
4092 | else | |
708b82c7 | 4093 | as_bad (_("Symbol %s already defined"), name); |
252b5132 | 4094 | |
708b82c7 | 4095 | demand_empty_rest_of_line (); |
252b5132 RH |
4096 | #endif |
4097 | } | |
4098 | ||
4099 | static void | |
4100 | fixup_mdeps (frags, h, this_segment) | |
4101 | fragS * frags; | |
4102 | object_headers * h; | |
4103 | segT this_segment; | |
4104 | { | |
4105 | subseg_change (this_segment, 0); | |
f8e42b8c | 4106 | |
252b5132 RH |
4107 | while (frags) |
4108 | { | |
4109 | switch (frags->fr_type) | |
4110 | { | |
4111 | case rs_align: | |
4112 | case rs_align_code: | |
0a9ef439 | 4113 | case rs_align_test: |
252b5132 RH |
4114 | case rs_org: |
4115 | #ifdef HANDLE_ALIGN | |
4116 | HANDLE_ALIGN (frags); | |
4117 | #endif | |
4118 | frags->fr_type = rs_fill; | |
4119 | frags->fr_offset = | |
4120 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) | |
4121 | / frags->fr_var); | |
4122 | break; | |
4123 | case rs_machine_dependent: | |
4124 | md_convert_frag (h, this_segment, frags); | |
4125 | frag_wane (frags); | |
4126 | break; | |
4127 | default: | |
4128 | ; | |
4129 | } | |
4130 | frags = frags->fr_next; | |
4131 | } | |
4132 | } | |
4133 | ||
4134 | #if 1 | |
4135 | ||
4136 | #ifndef TC_FORCE_RELOCATION | |
4137 | #define TC_FORCE_RELOCATION(fix) 0 | |
4138 | #endif | |
4139 | ||
4140 | static void | |
4141 | fixup_segment (segP, this_segment_type) | |
4142 | segment_info_type * segP; | |
4143 | segT this_segment_type; | |
4144 | { | |
f8e42b8c NC |
4145 | fixS * fixP; |
4146 | symbolS *add_symbolP; | |
4147 | symbolS *sub_symbolP; | |
252b5132 | 4148 | long add_number; |
f8e42b8c NC |
4149 | int size; |
4150 | char *place; | |
4151 | long where; | |
4152 | char pcrel; | |
4153 | fragS *fragP; | |
4154 | segT add_symbol_segment = absolute_section; | |
252b5132 RH |
4155 | |
4156 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) | |
4157 | { | |
4158 | fragP = fixP->fx_frag; | |
4159 | know (fragP); | |
4160 | where = fixP->fx_where; | |
4161 | place = fragP->fr_literal + where; | |
4162 | size = fixP->fx_size; | |
4163 | add_symbolP = fixP->fx_addsy; | |
4164 | sub_symbolP = fixP->fx_subsy; | |
4165 | add_number = fixP->fx_offset; | |
4166 | pcrel = fixP->fx_pcrel; | |
4167 | ||
4168 | /* We want function-relative stabs to work on systems which | |
4169 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
4170 | fixups function-relative stabs generates. | |
4171 | ||
4172 | Of course, if you actually enable relaxing in the linker, the | |
4173 | line and block scoping information is going to be incorrect | |
4174 | in some cases. The only way to really fix this is to support | |
4175 | a reloc involving the difference of two symbols. */ | |
4176 | if (linkrelax | |
4177 | && (!sub_symbolP || pcrel)) | |
4178 | continue; | |
4179 | ||
4180 | #ifdef TC_I960 | |
4181 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) | |
4182 | { | |
4183 | /* Relocation should be done via the associated 'bal' entry | |
dcd619be | 4184 | point symbol. */ |
252b5132 RH |
4185 | |
4186 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) | |
4187 | { | |
4188 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4189 | _("No 'bal' entry point for leafproc %s"), | |
4190 | S_GET_NAME (add_symbolP)); | |
4191 | continue; | |
4192 | } | |
4193 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
4194 | } | |
4195 | #endif | |
4196 | ||
4197 | /* Make sure the symbols have been resolved; this may not have | |
4198 | happened if these are expression symbols. */ | |
4199 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
6386f3a7 | 4200 | resolve_symbol_value (add_symbolP); |
252b5132 RH |
4201 | |
4202 | if (add_symbolP != NULL) | |
4203 | { | |
4204 | /* If this fixup is against a symbol which has been equated | |
4205 | to another symbol, convert it to the other symbol. */ | |
4206 | if (add_symbolP->sy_value.X_op == O_symbol | |
4207 | && (! S_IS_DEFINED (add_symbolP) | |
4208 | || S_IS_COMMON (add_symbolP))) | |
4209 | { | |
4210 | while (add_symbolP->sy_value.X_op == O_symbol | |
4211 | && (! S_IS_DEFINED (add_symbolP) | |
4212 | || S_IS_COMMON (add_symbolP))) | |
4213 | { | |
4214 | symbolS *n; | |
4215 | ||
4216 | /* We must avoid looping, as that can occur with a | |
4217 | badly written program. */ | |
4218 | n = add_symbolP->sy_value.X_add_symbol; | |
4219 | if (n == add_symbolP) | |
4220 | break; | |
4221 | add_number += add_symbolP->sy_value.X_add_number; | |
4222 | add_symbolP = n; | |
4223 | } | |
4224 | fixP->fx_addsy = add_symbolP; | |
4225 | fixP->fx_offset = add_number; | |
4226 | } | |
4227 | } | |
4228 | ||
4229 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) | |
6386f3a7 | 4230 | resolve_symbol_value (sub_symbolP); |
252b5132 RH |
4231 | |
4232 | if (add_symbolP != NULL | |
4233 | && add_symbolP->sy_mri_common) | |
4234 | { | |
4235 | know (add_symbolP->sy_value.X_op == O_symbol); | |
4236 | add_number += S_GET_VALUE (add_symbolP); | |
4237 | fixP->fx_offset = add_number; | |
4238 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
4239 | } | |
4240 | ||
4241 | if (add_symbolP) | |
f8e42b8c | 4242 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); |
252b5132 RH |
4243 | |
4244 | if (sub_symbolP) | |
4245 | { | |
4246 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) | |
4247 | { | |
4248 | if (add_symbolP != NULL) | |
4249 | { | |
4250 | add_number += S_GET_VALUE (add_symbolP); | |
4251 | add_symbolP = NULL; | |
4252 | fixP->fx_addsy = NULL; | |
4253 | } | |
4254 | ||
4255 | /* It's just -sym. */ | |
4256 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
4257 | { | |
4258 | add_number -= S_GET_VALUE (sub_symbolP); | |
4259 | fixP->fx_subsy = 0; | |
4260 | fixP->fx_done = 1; | |
4261 | } | |
4262 | else | |
4263 | { | |
4264 | #ifndef TC_M68K | |
4265 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4266 | _("Negative of non-absolute symbol %s"), | |
4267 | S_GET_NAME (sub_symbolP)); | |
4268 | #endif | |
4269 | add_number -= S_GET_VALUE (sub_symbolP); | |
4270 | } /* not absolute */ | |
4271 | ||
4272 | /* if sub_symbol is in the same segment that add_symbol | |
f8e42b8c | 4273 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE. */ |
252b5132 RH |
4274 | } |
4275 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment | |
4276 | && SEG_NORMAL (add_symbol_segment)) | |
4277 | { | |
4278 | /* Difference of 2 symbols from same segment. Can't | |
4279 | make difference of 2 undefineds: 'value' means | |
dcd619be | 4280 | something different for N_UNDF. */ |
252b5132 RH |
4281 | #ifdef TC_I960 |
4282 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
4283 | as the target of a call instruction. */ | |
4284 | if (fixP->fx_tcbit) | |
f8e42b8c NC |
4285 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4286 | _("callj to difference of 2 symbols")); | |
252b5132 RH |
4287 | #endif /* TC_I960 */ |
4288 | add_number += S_GET_VALUE (add_symbolP) - | |
4289 | S_GET_VALUE (sub_symbolP); | |
4290 | add_symbolP = NULL; | |
4291 | ||
4292 | if (!TC_FORCE_RELOCATION (fixP)) | |
4293 | { | |
4294 | fixP->fx_addsy = NULL; | |
4295 | fixP->fx_subsy = NULL; | |
4296 | fixP->fx_done = 1; | |
4297 | #ifdef TC_M68K /* is this right? */ | |
4298 | pcrel = 0; | |
4299 | fixP->fx_pcrel = 0; | |
4300 | #endif | |
4301 | } | |
4302 | } | |
4303 | else | |
4304 | { | |
dcd619be | 4305 | /* Different segments in subtraction. */ |
252b5132 RH |
4306 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); |
4307 | ||
4308 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) | |
f8e42b8c NC |
4309 | add_number -= S_GET_VALUE (sub_symbolP); |
4310 | ||
252b5132 RH |
4311 | #ifdef DIFF_EXPR_OK |
4312 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type | |
dcd619be | 4313 | #if 0 /* Okay for 68k, at least... */ |
252b5132 RH |
4314 | && !pcrel |
4315 | #endif | |
4316 | ) | |
4317 | { | |
4318 | /* Make it pc-relative. */ | |
4319 | add_number += (md_pcrel_from (fixP) | |
4320 | - S_GET_VALUE (sub_symbolP)); | |
4321 | pcrel = 1; | |
4322 | fixP->fx_pcrel = 1; | |
4323 | sub_symbolP = 0; | |
4324 | fixP->fx_subsy = 0; | |
4325 | } | |
4326 | #endif | |
4327 | else | |
4328 | { | |
4329 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4330 | _("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."), | |
4331 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
4332 | S_GET_NAME (sub_symbolP), | |
4333 | (long) (fragP->fr_address + where)); | |
f8e42b8c | 4334 | } |
252b5132 | 4335 | } |
f8e42b8c | 4336 | } |
252b5132 RH |
4337 | |
4338 | if (add_symbolP) | |
4339 | { | |
4340 | if (add_symbol_segment == this_segment_type && pcrel) | |
4341 | { | |
f8e42b8c NC |
4342 | /* This fixup was made when the symbol's segment was |
4343 | SEG_UNKNOWN, but it is now in the local segment. | |
4344 | So we know how to do the address without relocation. */ | |
252b5132 RH |
4345 | #ifdef TC_I960 |
4346 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
f8e42b8c NC |
4347 | in which cases it modifies *fixP as appropriate. In the case |
4348 | of a 'calls', no further work is required, and *fixP has been | |
4349 | set up to make the rest of the code below a no-op. */ | |
252b5132 RH |
4350 | reloc_callj (fixP); |
4351 | #endif /* TC_I960 */ | |
4352 | ||
4353 | add_number += S_GET_VALUE (add_symbolP); | |
4354 | add_number -= md_pcrel_from (fixP); | |
4355 | ||
4356 | /* We used to do | |
4357 | add_number -= segP->scnhdr.s_vaddr; | |
4358 | if defined (TC_I386) || defined (TE_LYNX). I now | |
4359 | think that was an error propagated from the case when | |
4360 | we are going to emit the relocation. If we are not | |
4361 | going to emit the relocation, then we just want to | |
4362 | set add_number to the difference between the symbols. | |
4363 | This is a case that would only arise when there is a | |
4364 | PC relative reference from a section other than .text | |
4365 | to a symbol defined in the same section, and the | |
4366 | reference is not relaxed. Since jump instructions on | |
4367 | the i386 are relaxed, this could only arise with a | |
4368 | call instruction. */ | |
4369 | ||
dcd619be | 4370 | pcrel = 0; /* Lie. Don't want further pcrel processing. */ |
252b5132 RH |
4371 | if (!TC_FORCE_RELOCATION (fixP)) |
4372 | { | |
4373 | fixP->fx_addsy = NULL; | |
4374 | fixP->fx_done = 1; | |
4375 | } | |
4376 | } | |
4377 | else | |
4378 | { | |
4379 | switch (add_symbol_segment) | |
4380 | { | |
4381 | case absolute_section: | |
4382 | #ifdef TC_I960 | |
f8e42b8c NC |
4383 | /* See comment about reloc_callj() above. */ |
4384 | reloc_callj (fixP); | |
252b5132 RH |
4385 | #endif /* TC_I960 */ |
4386 | add_number += S_GET_VALUE (add_symbolP); | |
4387 | add_symbolP = NULL; | |
4388 | ||
4389 | if (!TC_FORCE_RELOCATION (fixP)) | |
4390 | { | |
4391 | fixP->fx_addsy = NULL; | |
4392 | fixP->fx_done = 1; | |
4393 | } | |
4394 | break; | |
4395 | default: | |
4396 | ||
3b16e843 | 4397 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32) |
252b5132 RH |
4398 | /* This really should be handled in the linker, but |
4399 | backward compatibility forbids. */ | |
4400 | add_number += S_GET_VALUE (add_symbolP); | |
4401 | #else | |
4402 | add_number += S_GET_VALUE (add_symbolP) + | |
4403 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
4404 | #endif | |
4405 | break; | |
4406 | ||
4407 | case SEG_UNKNOWN: | |
4408 | #ifdef TC_I960 | |
4409 | if ((int) fixP->fx_bit_fixP == 13) | |
4410 | { | |
4411 | /* This is a COBR instruction. They have only a | |
f8e42b8c NC |
4412 | 13-bit displacement and are only to be used |
4413 | for local branches: flag as error, don't generate | |
4414 | relocation. */ | |
252b5132 RH |
4415 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4416 | _("can't use COBR format with external label")); | |
4417 | fixP->fx_addsy = NULL; | |
4418 | fixP->fx_done = 1; | |
4419 | continue; | |
f8e42b8c | 4420 | } |
252b5132 RH |
4421 | #endif /* TC_I960 */ |
4422 | #if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND) | |
4423 | /* 386 COFF uses a peculiar format in which the | |
4424 | value of a common symbol is stored in the .text | |
4425 | segment (I've checked this on SVR3.2 and SCO | |
4426 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
4427 | /* This is also true for 68k COFF on sysv machines | |
4428 | (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on | |
4429 | UNIX System V/M68000, Release 1.0 from ATT/Bell Labs) | |
dcd619be | 4430 | Philippe De Muyter <phdm@info.ucl.ac.be>. */ |
252b5132 RH |
4431 | if (S_IS_COMMON (add_symbolP)) |
4432 | add_number += S_GET_VALUE (add_symbolP); | |
4433 | #endif | |
4434 | break; | |
4435 | ||
f8e42b8c NC |
4436 | } |
4437 | } | |
4438 | } | |
252b5132 RH |
4439 | |
4440 | if (pcrel) | |
4441 | { | |
3b16e843 | 4442 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32) |
252b5132 RH |
4443 | /* This adjustment is not correct on the m88k, for which the |
4444 | linker does all the computation. */ | |
4445 | add_number -= md_pcrel_from (fixP); | |
4446 | #endif | |
4447 | if (add_symbolP == 0) | |
f8e42b8c | 4448 | fixP->fx_addsy = &abs_symbol; |
252b5132 RH |
4449 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) |
4450 | /* On the 386 we must adjust by the segment vaddr as well. | |
4451 | Ian Taylor. | |
4452 | ||
4453 | I changed the i960 to work this way as well. This is | |
4454 | compatible with the current GNU linker behaviour. I do | |
4455 | not know what other i960 COFF assemblers do. This is not | |
4456 | a common case: normally, only assembler code will contain | |
4457 | a PC relative reloc, and only branches which do not | |
4458 | originate in the .text section will have a non-zero | |
4459 | address. | |
4460 | ||
4461 | I changed the m68k to work this way as well. This will | |
4462 | break existing PC relative relocs from sections which do | |
4463 | not start at address 0, but it will make ld -r work. | |
4464 | Ian Taylor, 4 Oct 96. */ | |
4465 | ||
4466 | add_number -= segP->scnhdr.s_vaddr; | |
4467 | #endif | |
f8e42b8c | 4468 | } |
252b5132 | 4469 | |
94f592af | 4470 | md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type); |
ec0f0840 | 4471 | |
252b5132 RH |
4472 | if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow) |
4473 | { | |
4474 | #ifndef TC_M88K | |
4475 | /* The m88k uses the offset field of the reloc to get around | |
4476 | this problem. */ | |
4477 | if ((size == 1 | |
4478 | && ((add_number & ~0xFF) | |
4479 | || (fixP->fx_signed && (add_number & 0x80))) | |
4480 | && ((add_number & ~0xFF) != (-1 & ~0xFF) | |
4481 | || (add_number & 0x80) == 0)) | |
4482 | || (size == 2 | |
4483 | && ((add_number & ~0xFFFF) | |
4484 | || (fixP->fx_signed && (add_number & 0x8000))) | |
4485 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF) | |
4486 | || (add_number & 0x8000) == 0))) | |
4487 | { | |
4488 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4489 | _("Value of %ld too large for field of %d bytes at 0x%lx"), | |
4490 | (long) add_number, size, | |
4491 | (unsigned long) (fragP->fr_address + where)); | |
4492 | } | |
4493 | #endif | |
4494 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
4495 | /* Warn if a .word value is too large when treated as a | |
4496 | signed number. We already know it is not too negative. | |
4497 | This is to catch over-large switches generated by gcc on | |
4498 | the 68k. */ | |
4499 | if (!flag_signed_overflow_ok | |
4500 | && size == 2 | |
4501 | && add_number > 0x7fff) | |
4502 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4503 | _("Signed .word overflow; switch may be too large; %ld at 0x%lx"), | |
4504 | (long) add_number, | |
4505 | (unsigned long) (fragP->fr_address + where)); | |
4506 | #endif | |
f8e42b8c NC |
4507 | } |
4508 | } | |
4509 | } | |
252b5132 RH |
4510 | |
4511 | #endif | |
4512 | ||
4513 | /* The first entry in a .stab section is special. */ | |
4514 | ||
4515 | void | |
4516 | obj_coff_init_stab_section (seg) | |
4517 | segT seg; | |
4518 | { | |
4519 | char *file; | |
4520 | char *p; | |
4521 | char *stabstr_name; | |
4522 | unsigned int stroff; | |
4523 | ||
dcd619be | 4524 | /* Make space for this first symbol. */ |
252b5132 | 4525 | p = frag_more (12); |
dcd619be | 4526 | /* Zero it out. */ |
252b5132 RH |
4527 | memset (p, 0, 12); |
4528 | as_where (&file, (unsigned int *) NULL); | |
4529 | stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4); | |
4530 | strcpy (stabstr_name, segment_info[seg].name); | |
4531 | strcat (stabstr_name, "str"); | |
4532 | stroff = get_stab_string_offset (file, stabstr_name); | |
4533 | know (stroff == 1); | |
4534 | md_number_to_chars (p, stroff, 4); | |
4535 | } | |
4536 | ||
4537 | /* Fill in the counts in the first entry in a .stab section. */ | |
4538 | ||
4539 | static void | |
4540 | adjust_stab_section(abfd, seg) | |
4541 | bfd *abfd; | |
4542 | segT seg; | |
4543 | { | |
4544 | segT stabstrseg = SEG_UNKNOWN; | |
4545 | const char *secname, *name2; | |
4546 | char *name; | |
4547 | char *p = NULL; | |
4548 | int i, strsz = 0, nsyms; | |
4549 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
4550 | ||
dcd619be | 4551 | /* Look for the associated string table section. */ |
252b5132 RH |
4552 | |
4553 | secname = segment_info[seg].name; | |
4554 | name = (char *) alloca (strlen (secname) + 4); | |
4555 | strcpy (name, secname); | |
4556 | strcat (name, "str"); | |
4557 | ||
4558 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
4559 | { | |
4560 | name2 = segment_info[i].name; | |
4561 | if (name2 != NULL && strncmp(name2, name, 8) == 0) | |
4562 | { | |
4563 | stabstrseg = i; | |
4564 | break; | |
4565 | } | |
4566 | } | |
4567 | ||
dcd619be | 4568 | /* If we found the section, get its size. */ |
252b5132 RH |
4569 | if (stabstrseg != SEG_UNKNOWN) |
4570 | strsz = size_section (abfd, stabstrseg); | |
4571 | ||
4572 | nsyms = size_section (abfd, seg) / 12 - 1; | |
4573 | ||
4574 | /* Look for the first frag of sufficient size for the initial stab | |
dcd619be | 4575 | symbol, and collect a pointer to it. */ |
252b5132 RH |
4576 | while (frag && frag->fr_fix < 12) |
4577 | frag = frag->fr_next; | |
4578 | assert (frag != 0); | |
4579 | p = frag->fr_literal; | |
4580 | assert (p != 0); | |
4581 | ||
4582 | /* Write in the number of stab symbols and the size of the string | |
dcd619be | 4583 | table. */ |
252b5132 RH |
4584 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); |
4585 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
4586 | } | |
4587 | ||
4588 | #endif /* not BFD_ASSEMBLER */ | |
4589 | ||
4c63da97 | 4590 | const pseudo_typeS coff_pseudo_table[] = |
252b5132 RH |
4591 | { |
4592 | {"def", obj_coff_def, 0}, | |
4593 | {"dim", obj_coff_dim, 0}, | |
4594 | {"endef", obj_coff_endef, 0}, | |
4595 | {"line", obj_coff_line, 0}, | |
4596 | {"ln", obj_coff_ln, 0}, | |
28428223 ILT |
4597 | #ifdef BFD_ASSEMBLER |
4598 | {"loc", obj_coff_loc, 0}, | |
4599 | #endif | |
252b5132 RH |
4600 | {"appline", obj_coff_ln, 1}, |
4601 | {"scl", obj_coff_scl, 0}, | |
4602 | {"size", obj_coff_size, 0}, | |
4603 | {"tag", obj_coff_tag, 0}, | |
4604 | {"type", obj_coff_type, 0}, | |
4605 | {"val", obj_coff_val, 0}, | |
4606 | {"section", obj_coff_section, 0}, | |
4607 | {"sect", obj_coff_section, 0}, | |
4608 | /* FIXME: We ignore the MRI short attribute. */ | |
4609 | {"section.s", obj_coff_section, 0}, | |
4610 | {"sect.s", obj_coff_section, 0}, | |
4611 | /* We accept the .bss directive for backward compatibility with | |
4612 | earlier versions of gas. */ | |
4613 | {"bss", obj_coff_bss, 0}, | |
4614 | {"weak", obj_coff_weak, 0}, | |
7a6284c4 | 4615 | {"ident", obj_coff_ident, 0}, |
252b5132 RH |
4616 | #ifndef BFD_ASSEMBLER |
4617 | {"use", obj_coff_section, 0}, | |
4618 | {"text", obj_coff_text, 0}, | |
4619 | {"data", obj_coff_data, 0}, | |
4620 | {"lcomm", obj_coff_lcomm, 0}, | |
252b5132 RH |
4621 | #else |
4622 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
252b5132 RH |
4623 | #endif |
4624 | {"version", s_ignore, 0}, | |
4625 | {"ABORT", s_abort, 0}, | |
4626 | #ifdef TC_M88K | |
4627 | /* The m88k uses sdef instead of def. */ | |
4628 | {"sdef", obj_coff_def, 0}, | |
4629 | #endif | |
a04b544b | 4630 | {NULL, NULL, 0} /* end sentinel */ |
4c63da97 | 4631 | }; /* coff_pseudo_table */ |
252b5132 RH |
4632 | \f |
4633 | #ifdef BFD_ASSEMBLER | |
4634 | ||
4635 | /* Support for a COFF emulation. */ | |
4636 | ||
4c63da97 | 4637 | static void coff_pop_insert PARAMS ((void)); |
5110c57e | 4638 | static int coff_separate_stab_sections PARAMS ((void)); |
4c63da97 | 4639 | |
252b5132 RH |
4640 | static void |
4641 | coff_pop_insert () | |
4642 | { | |
4c63da97 | 4643 | pop_insert (coff_pseudo_table); |
252b5132 RH |
4644 | } |
4645 | ||
5110c57e HPN |
4646 | static int |
4647 | coff_separate_stab_sections () | |
4648 | { | |
4649 | return 1; | |
4650 | } | |
4651 | ||
252b5132 RH |
4652 | const struct format_ops coff_format_ops = |
4653 | { | |
4654 | bfd_target_coff_flavour, | |
4c63da97 AM |
4655 | 0, /* dfl_leading_underscore */ |
4656 | 1, /* emit_section_symbols */ | |
5110c57e HPN |
4657 | 0, /* begin */ |
4658 | c_dot_file_symbol, | |
252b5132 | 4659 | coff_frob_symbol, |
4c63da97 | 4660 | 0, /* frob_file */ |
339681c0 | 4661 | 0, /* frob_file_before_adjust */ |
252b5132 | 4662 | coff_frob_file_after_relocs, |
4c63da97 AM |
4663 | 0, /* s_get_size */ |
4664 | 0, /* s_set_size */ | |
4665 | 0, /* s_get_align */ | |
4666 | 0, /* s_set_align */ | |
4667 | 0, /* s_get_other */ | |
5110c57e | 4668 | 0, /* s_set_other */ |
4c63da97 | 4669 | 0, /* s_get_desc */ |
5110c57e HPN |
4670 | 0, /* s_set_desc */ |
4671 | 0, /* s_get_type */ | |
4672 | 0, /* s_set_type */ | |
4c63da97 AM |
4673 | 0, /* copy_symbol_attributes */ |
4674 | 0, /* generate_asm_lineno */ | |
4675 | 0, /* process_stab */ | |
5110c57e HPN |
4676 | coff_separate_stab_sections, |
4677 | obj_coff_init_stab_section, | |
4c63da97 | 4678 | 0, /* sec_sym_ok_for_reloc */ |
252b5132 | 4679 | coff_pop_insert, |
4c63da97 | 4680 | 0, /* ecoff_set_ext */ |
252b5132 | 4681 | coff_obj_read_begin_hook, |
4c63da97 | 4682 | coff_obj_symbol_new_hook |
252b5132 RH |
4683 | }; |
4684 | ||
4685 | #endif |