Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* coff object file format |
f7e42eb4 | 2 | Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
587aac4e | 3 | 1999, 2000, 2001, 2002, 2003, 2004 |
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)); |
d9895649 | 63 | #ifdef BFD_ASSEMBLER |
8d28c9d7 | 64 | static void obj_coff_weak PARAMS ((int)); |
d9895649 | 65 | #endif |
252b5132 | 66 | const char *s_get_name PARAMS ((symbolS * s)); |
0561a208 ILT |
67 | static void obj_coff_ln PARAMS ((int)); |
68 | static void obj_coff_def PARAMS ((int)); | |
69 | static void obj_coff_endef PARAMS ((int)); | |
70 | static void obj_coff_dim PARAMS ((int)); | |
71 | static void obj_coff_line PARAMS ((int)); | |
72 | static void obj_coff_size PARAMS ((int)); | |
73 | static void obj_coff_scl PARAMS ((int)); | |
74 | static void obj_coff_tag PARAMS ((int)); | |
75 | static void obj_coff_val PARAMS ((int)); | |
76 | static void obj_coff_type PARAMS ((int)); | |
7a6284c4 | 77 | static void obj_coff_ident PARAMS ((int)); |
28428223 ILT |
78 | #ifdef BFD_ASSEMBLER |
79 | static void obj_coff_loc PARAMS((int)); | |
80 | #endif | |
252b5132 RH |
81 | \f |
82 | /* stack stuff */ | |
252b5132 RH |
83 | |
84 | static stack * | |
85 | stack_init (chunk_size, element_size) | |
86 | unsigned long chunk_size; | |
87 | unsigned long element_size; | |
88 | { | |
89 | stack *st; | |
90 | ||
91 | st = (stack *) malloc (sizeof (stack)); | |
92 | if (!st) | |
93 | return 0; | |
94 | st->data = malloc (chunk_size); | |
95 | if (!st->data) | |
96 | { | |
97 | free (st); | |
98 | return 0; | |
99 | } | |
100 | st->pointer = 0; | |
101 | st->size = chunk_size; | |
102 | st->chunk_size = chunk_size; | |
103 | st->element_size = element_size; | |
104 | return st; | |
105 | } | |
106 | ||
107 | #if 0 | |
108 | /* Not currently used. */ | |
109 | static void | |
110 | stack_delete (st) | |
111 | stack *st; | |
112 | { | |
113 | free (st->data); | |
114 | free (st); | |
115 | } | |
116 | #endif | |
117 | ||
118 | static char * | |
119 | stack_push (st, element) | |
120 | stack *st; | |
121 | char *element; | |
122 | { | |
123 | if (st->pointer + st->element_size >= st->size) | |
124 | { | |
125 | st->size += st->chunk_size; | |
126 | if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) | |
127 | return (char *) 0; | |
128 | } | |
129 | memcpy (st->data + st->pointer, element, st->element_size); | |
130 | st->pointer += st->element_size; | |
131 | return st->data + st->pointer; | |
132 | } | |
133 | ||
134 | static char * | |
135 | stack_pop (st) | |
136 | stack *st; | |
137 | { | |
138 | if (st->pointer < st->element_size) | |
139 | { | |
140 | st->pointer = 0; | |
141 | return (char *) 0; | |
142 | } | |
143 | st->pointer -= st->element_size; | |
144 | return st->data + st->pointer; | |
145 | } | |
146 | \f | |
147 | /* | |
aaa2624b | 148 | * Maintain a list of the tagnames of the structures. |
252b5132 RH |
149 | */ |
150 | ||
151 | static struct hash_control *tag_hash; | |
152 | ||
153 | static void | |
154 | tag_init () | |
155 | { | |
156 | tag_hash = hash_new (); | |
157 | } | |
158 | ||
159 | static void | |
160 | tag_insert (name, symbolP) | |
161 | const char *name; | |
162 | symbolS *symbolP; | |
163 | { | |
164 | const char *error_string; | |
165 | ||
166 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
167 | { | |
168 | as_fatal (_("Inserting \"%s\" into structure table failed: %s"), | |
169 | name, error_string); | |
170 | } | |
171 | } | |
172 | ||
173 | static symbolS * | |
174 | tag_find (name) | |
175 | char *name; | |
176 | { | |
177 | #ifdef STRIP_UNDERSCORE | |
178 | if (*name == '_') | |
179 | name++; | |
180 | #endif /* STRIP_UNDERSCORE */ | |
181 | return (symbolS *) hash_find (tag_hash, name); | |
182 | } | |
183 | ||
184 | static symbolS * | |
185 | tag_find_or_make (name) | |
186 | char *name; | |
187 | { | |
188 | symbolS *symbolP; | |
189 | ||
190 | if ((symbolP = tag_find (name)) == NULL) | |
191 | { | |
192 | symbolP = symbol_new (name, undefined_section, | |
193 | 0, &zero_address_frag); | |
194 | ||
195 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
196 | #ifdef BFD_ASSEMBLER | |
197 | symbol_table_insert (symbolP); | |
198 | #endif | |
199 | } /* not found */ | |
200 | ||
201 | return symbolP; | |
202 | } | |
203 | ||
204 | /* We accept the .bss directive to set the section for backward | |
205 | compatibility with earlier versions of gas. */ | |
206 | ||
207 | static void | |
208 | obj_coff_bss (ignore) | |
a04b544b | 209 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
210 | { |
211 | if (*input_line_pointer == '\n') | |
212 | subseg_new (".bss", get_absolute_expression ()); | |
213 | else | |
214 | s_lcomm (0); | |
215 | } | |
216 | ||
252b5132 RH |
217 | #ifdef BFD_ASSEMBLER |
218 | ||
8d28c9d7 | 219 | static segT fetch_coff_debug_section PARAMS ((void)); |
252b5132 | 220 | static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *)); |
8d28c9d7 AM |
221 | static int S_GET_DATA_TYPE PARAMS ((symbolS *)); |
222 | void c_symbol_merge PARAMS ((symbolS *, symbolS *)); | |
223 | static void add_lineno PARAMS ((fragS *, addressT, int)); | |
252b5132 RH |
224 | |
225 | #define GET_FILENAME_STRING(X) \ | |
814f6641 | 226 | ((char*) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) |
252b5132 RH |
227 | |
228 | /* @@ Ick. */ | |
229 | static segT | |
230 | fetch_coff_debug_section () | |
231 | { | |
232 | static segT debug_section; | |
233 | if (!debug_section) | |
234 | { | |
5a38dc70 | 235 | const asymbol *s; |
252b5132 RH |
236 | s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0); |
237 | assert (s != 0); | |
238 | debug_section = s->section; | |
239 | } | |
240 | return debug_section; | |
241 | } | |
242 | ||
243 | void | |
244 | SA_SET_SYM_ENDNDX (sym, val) | |
245 | symbolS *sym; | |
246 | symbolS *val; | |
247 | { | |
248 | combined_entry_type *entry, *p; | |
249 | ||
49309057 ILT |
250 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
251 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
252 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; |
253 | entry->fix_end = 1; | |
254 | } | |
255 | ||
256 | static void | |
257 | SA_SET_SYM_TAGNDX (sym, val) | |
258 | symbolS *sym; | |
259 | symbolS *val; | |
260 | { | |
261 | combined_entry_type *entry, *p; | |
262 | ||
49309057 ILT |
263 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
264 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
265 | entry->u.auxent.x_sym.x_tagndx.p = p; |
266 | entry->fix_tag = 1; | |
267 | } | |
268 | ||
269 | static int | |
270 | S_GET_DATA_TYPE (sym) | |
271 | symbolS *sym; | |
272 | { | |
49309057 | 273 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type; |
252b5132 RH |
274 | } |
275 | ||
276 | int | |
277 | S_SET_DATA_TYPE (sym, val) | |
278 | symbolS *sym; | |
279 | int val; | |
280 | { | |
49309057 | 281 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val; |
252b5132 RH |
282 | return val; |
283 | } | |
284 | ||
285 | int | |
286 | S_GET_STORAGE_CLASS (sym) | |
287 | symbolS *sym; | |
288 | { | |
49309057 | 289 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass; |
252b5132 RH |
290 | } |
291 | ||
292 | int | |
293 | S_SET_STORAGE_CLASS (sym, val) | |
294 | symbolS *sym; | |
295 | int val; | |
296 | { | |
49309057 | 297 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val; |
252b5132 RH |
298 | return val; |
299 | } | |
300 | ||
dcd619be | 301 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
252b5132 RH |
302 | |
303 | void | |
304 | c_symbol_merge (debug, normal) | |
305 | symbolS *debug; | |
306 | symbolS *normal; | |
307 | { | |
308 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
309 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
310 | ||
311 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
312 | { | |
313 | /* take the most we have */ | |
314 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
315 | } | |
316 | ||
317 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
318 | { | |
319 | /* Move all the auxiliary information. */ | |
320 | memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug), | |
321 | (S_GET_NUMBER_AUXILIARY (debug) | |
322 | * sizeof (*SYM_AUXINFO (debug)))); | |
323 | } | |
324 | ||
dcd619be | 325 | /* Move the debug flags. */ |
252b5132 RH |
326 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
327 | } | |
328 | ||
329 | void | |
330 | c_dot_file_symbol (filename) | |
5110c57e | 331 | const char *filename; |
252b5132 RH |
332 | { |
333 | symbolS *symbolP; | |
334 | ||
0561a208 ILT |
335 | /* BFD converts filename to a .file symbol with an aux entry. It |
336 | also handles chaining. */ | |
252b5132 RH |
337 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
338 | ||
339 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
340 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
341 | ||
49309057 | 342 | symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING; |
252b5132 RH |
343 | |
344 | #ifndef NO_LISTING | |
345 | { | |
346 | extern int listing; | |
347 | if (listing) | |
348 | { | |
349 | listing_source_file (filename); | |
350 | } | |
351 | } | |
352 | #endif | |
353 | ||
354 | /* Make sure that the symbol is first on the symbol chain */ | |
355 | if (symbol_rootP != symbolP) | |
356 | { | |
357 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
358 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
359 | } /* if not first on the list */ | |
360 | } | |
361 | ||
362 | /* Line number handling */ | |
363 | ||
364 | struct line_no { | |
365 | struct line_no *next; | |
366 | fragS *frag; | |
367 | alent l; | |
368 | }; | |
369 | ||
370 | int coff_line_base; | |
371 | ||
372 | /* Symbol of last function, which we should hang line#s off of. */ | |
373 | static symbolS *line_fsym; | |
374 | ||
375 | #define in_function() (line_fsym != 0) | |
376 | #define clear_function() (line_fsym = 0) | |
377 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) | |
378 | ||
379 | \f | |
380 | void | |
381 | coff_obj_symbol_new_hook (symbolP) | |
382 | symbolS *symbolP; | |
383 | { | |
384 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
385 | char * s = (char *) xmalloc (sz); | |
dcd619be | 386 | |
252b5132 | 387 | memset (s, 0, sz); |
49309057 | 388 | coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s; |
252b5132 RH |
389 | |
390 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
391 | S_SET_STORAGE_CLASS (symbolP, 0); | |
392 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
393 | ||
394 | if (S_IS_STRING (symbolP)) | |
395 | SF_SET_STRING (symbolP); | |
dcd619be | 396 | |
252b5132 RH |
397 | if (S_IS_LOCAL (symbolP)) |
398 | SF_SET_LOCAL (symbolP); | |
399 | } | |
400 | ||
401 | \f | |
402 | /* | |
403 | * Handle .ln directives. | |
404 | */ | |
405 | ||
406 | static symbolS *current_lineno_sym; | |
407 | static struct line_no *line_nos; | |
408 | /* @@ Blindly assume all .ln directives will be in the .text section... */ | |
409 | int coff_n_line_nos; | |
410 | ||
411 | static void | |
412 | add_lineno (frag, offset, num) | |
413 | fragS *frag; | |
7f6d05e8 | 414 | addressT offset; |
252b5132 RH |
415 | int num; |
416 | { | |
417 | struct line_no *new_line = | |
418 | (struct line_no *) xmalloc (sizeof (struct line_no)); | |
419 | if (!current_lineno_sym) | |
420 | { | |
421 | abort (); | |
422 | } | |
6877bb43 TR |
423 | |
424 | #ifndef OBJ_XCOFF | |
425 | /* The native aix assembler accepts negative line number */ | |
426 | ||
dcd619be | 427 | if (num <= 0) |
e8a3ab75 ILT |
428 | { |
429 | /* Zero is used as an end marker in the file. */ | |
b985eaa8 ILT |
430 | as_warn (_("Line numbers must be positive integers\n")); |
431 | num = 1; | |
e8a3ab75 | 432 | } |
6877bb43 | 433 | #endif /* OBJ_XCOFF */ |
252b5132 RH |
434 | new_line->next = line_nos; |
435 | new_line->frag = frag; | |
436 | new_line->l.line_number = num; | |
437 | new_line->l.u.offset = offset; | |
438 | line_nos = new_line; | |
439 | coff_n_line_nos++; | |
440 | } | |
441 | ||
442 | void | |
443 | coff_add_linesym (sym) | |
444 | symbolS *sym; | |
445 | { | |
446 | if (line_nos) | |
447 | { | |
49309057 ILT |
448 | coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno = |
449 | (alent *) line_nos; | |
252b5132 RH |
450 | coff_n_line_nos++; |
451 | line_nos = 0; | |
452 | } | |
453 | current_lineno_sym = sym; | |
454 | } | |
455 | ||
456 | static void | |
457 | obj_coff_ln (appline) | |
458 | int appline; | |
459 | { | |
460 | int l; | |
461 | ||
462 | if (! appline && def_symbol_in_progress != NULL) | |
463 | { | |
464 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); | |
465 | demand_empty_rest_of_line (); | |
466 | return; | |
467 | } | |
468 | ||
469 | l = get_absolute_expression (); | |
252b5132 | 470 | |
e237d851 NC |
471 | /* If there is no lineno symbol, treat a .ln |
472 | directive as if it were a .appline directive. */ | |
473 | if (appline || current_lineno_sym == NULL) | |
252b5132 | 474 | new_logical_line ((char *) NULL, l - 1); |
e237d851 NC |
475 | else |
476 | add_lineno (frag_now, frag_now_fix (), l); | |
252b5132 RH |
477 | |
478 | #ifndef NO_LISTING | |
479 | { | |
480 | extern int listing; | |
481 | ||
482 | if (listing) | |
483 | { | |
484 | if (! appline) | |
485 | l += coff_line_base - 1; | |
486 | listing_source_line (l); | |
487 | } | |
488 | } | |
489 | #endif | |
490 | ||
491 | demand_empty_rest_of_line (); | |
492 | } | |
493 | ||
28428223 ILT |
494 | /* .loc is essentially the same as .ln; parse it for assembler |
495 | compatibility. */ | |
496 | ||
497 | static void | |
498 | obj_coff_loc (ignore) | |
499 | int ignore ATTRIBUTE_UNUSED; | |
500 | { | |
501 | int lineno; | |
502 | ||
503 | /* FIXME: Why do we need this check? We need it for ECOFF, but why | |
504 | do we need it for COFF? */ | |
505 | if (now_seg != text_section) | |
506 | { | |
507 | as_warn (_(".loc outside of .text")); | |
508 | demand_empty_rest_of_line (); | |
509 | return; | |
510 | } | |
511 | ||
512 | if (def_symbol_in_progress != NULL) | |
513 | { | |
514 | as_warn (_(".loc pseudo-op inside .def/.endef: ignored.")); | |
515 | demand_empty_rest_of_line (); | |
516 | return; | |
517 | } | |
518 | ||
519 | /* Skip the file number. */ | |
520 | SKIP_WHITESPACE (); | |
521 | get_absolute_expression (); | |
522 | SKIP_WHITESPACE (); | |
523 | ||
524 | lineno = get_absolute_expression (); | |
525 | ||
526 | #ifndef NO_LISTING | |
527 | { | |
528 | extern int listing; | |
529 | ||
530 | if (listing) | |
531 | { | |
cc8a6dd0 | 532 | lineno += coff_line_base - 1; |
28428223 ILT |
533 | listing_source_line (lineno); |
534 | } | |
535 | } | |
536 | #endif | |
537 | ||
538 | demand_empty_rest_of_line (); | |
539 | ||
540 | add_lineno (frag_now, frag_now_fix (), lineno); | |
541 | } | |
542 | ||
7a6284c4 ILT |
543 | /* Handle the .ident pseudo-op. */ |
544 | ||
545 | static void | |
546 | obj_coff_ident (ignore) | |
547 | int ignore ATTRIBUTE_UNUSED; | |
548 | { | |
549 | segT current_seg = now_seg; | |
550 | subsegT current_subseg = now_subseg; | |
551 | ||
552 | #ifdef TE_PE | |
553 | { | |
554 | segT sec; | |
555 | ||
556 | /* We could put it in .comment, but that creates an extra section | |
557 | that shouldn't be loaded into memory, which requires linker | |
558 | changes... For now, until proven otherwise, use .rdata. */ | |
559 | sec = subseg_new (".rdata$zzz", 0); | |
560 | bfd_set_section_flags (stdoutput, sec, | |
561 | ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA) | |
562 | & bfd_applicable_section_flags (stdoutput))); | |
563 | } | |
564 | #else | |
565 | subseg_new (".comment", 0); | |
566 | #endif | |
567 | ||
568 | stringer (1); | |
569 | subseg_set (current_seg, current_subseg); | |
570 | } | |
571 | ||
252b5132 RH |
572 | /* |
573 | * def() | |
574 | * | |
575 | * Handle .def directives. | |
576 | * | |
577 | * One might ask : why can't we symbol_new if the symbol does not | |
578 | * already exist and fill it with debug information. Because of | |
579 | * the C_EFCN special symbol. It would clobber the value of the | |
580 | * function symbol before we have a chance to notice that it is | |
581 | * a C_EFCN. And a second reason is that the code is more clear this | |
582 | * way. (at least I think it is :-). | |
583 | * | |
584 | */ | |
585 | ||
586 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
587 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
588 | *input_line_pointer == '\t') \ | |
589 | input_line_pointer++; | |
590 | ||
591 | static void | |
592 | obj_coff_def (what) | |
c4bf532f | 593 | int what ATTRIBUTE_UNUSED; |
252b5132 RH |
594 | { |
595 | char name_end; /* Char after the end of name */ | |
596 | char *symbol_name; /* Name of the debug symbol */ | |
597 | char *symbol_name_copy; /* Temporary copy of the name */ | |
598 | unsigned int symbol_name_length; | |
599 | ||
600 | if (def_symbol_in_progress != NULL) | |
601 | { | |
602 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
603 | demand_empty_rest_of_line (); | |
604 | return; | |
605 | } /* if not inside .def/.endef */ | |
606 | ||
607 | SKIP_WHITESPACES (); | |
608 | ||
609 | symbol_name = input_line_pointer; | |
610 | #ifdef STRIP_UNDERSCORE | |
611 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
612 | symbol_name++; | |
613 | #endif /* STRIP_UNDERSCORE */ | |
614 | ||
615 | name_end = get_symbol_end (); | |
616 | symbol_name_length = strlen (symbol_name); | |
617 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
618 | strcpy (symbol_name_copy, symbol_name); | |
619 | #ifdef tc_canonicalize_symbol_name | |
620 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
621 | #endif | |
622 | ||
623 | /* Initialize the new symbol */ | |
624 | def_symbol_in_progress = symbol_make (symbol_name_copy); | |
49309057 | 625 | symbol_set_frag (def_symbol_in_progress, &zero_address_frag); |
252b5132 RH |
626 | S_SET_VALUE (def_symbol_in_progress, 0); |
627 | ||
628 | if (S_IS_STRING (def_symbol_in_progress)) | |
629 | SF_SET_STRING (def_symbol_in_progress); | |
630 | ||
631 | *input_line_pointer = name_end; | |
632 | ||
633 | demand_empty_rest_of_line (); | |
634 | } | |
635 | ||
636 | unsigned int dim_index; | |
637 | ||
638 | static void | |
639 | obj_coff_endef (ignore) | |
c4bf532f | 640 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 641 | { |
c9900432 | 642 | symbolS *symbolP = NULL; |
252b5132 RH |
643 | |
644 | /* DIM BUG FIX sac@cygnus.com */ | |
645 | dim_index = 0; | |
646 | if (def_symbol_in_progress == NULL) | |
647 | { | |
648 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
649 | demand_empty_rest_of_line (); | |
650 | return; | |
651 | } /* if not inside .def/.endef */ | |
652 | ||
dcd619be | 653 | /* Set the section number according to storage class. */ |
252b5132 RH |
654 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
655 | { | |
656 | case C_STRTAG: | |
657 | case C_ENTAG: | |
658 | case C_UNTAG: | |
659 | SF_SET_TAG (def_symbol_in_progress); | |
660 | /* intentional fallthrough */ | |
661 | case C_FILE: | |
662 | case C_TPDEF: | |
663 | SF_SET_DEBUG (def_symbol_in_progress); | |
664 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); | |
665 | break; | |
666 | ||
667 | case C_EFCN: | |
dcd619be | 668 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ |
252b5132 RH |
669 | /* intentional fallthrough */ |
670 | case C_BLOCK: | |
671 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
672 | /* intentional fallthrough */ | |
673 | case C_FCN: | |
674 | { | |
5a38dc70 | 675 | const char *name; |
252b5132 RH |
676 | S_SET_SEGMENT (def_symbol_in_progress, text_section); |
677 | ||
49309057 | 678 | name = S_GET_NAME (def_symbol_in_progress); |
23dab925 | 679 | if (name[0] == '.' && name[2] == 'f' && name[3] == '\0') |
cc8a6dd0 | 680 | { |
23dab925 ILT |
681 | switch (name[1]) |
682 | { | |
dcd619be | 683 | case 'b': |
23dab925 ILT |
684 | /* .bf */ |
685 | if (! in_function ()) | |
686 | as_warn (_("`%s' symbol without preceding function"), name); | |
687 | /* Will need relocating. */ | |
688 | SF_SET_PROCESS (def_symbol_in_progress); | |
689 | clear_function (); | |
690 | break; | |
691 | #ifdef TE_PE | |
dcd619be | 692 | case 'e': |
23dab925 ILT |
693 | /* .ef */ |
694 | /* The MS compilers output the actual endline, not the | |
695 | function-relative one... we want to match without | |
696 | changing the assembler input. */ | |
dcd619be | 697 | SA_SET_SYM_LNNO (def_symbol_in_progress, |
23dab925 ILT |
698 | (SA_GET_SYM_LNNO (def_symbol_in_progress) |
699 | + coff_line_base)); | |
700 | break; | |
701 | #endif | |
702 | } | |
252b5132 RH |
703 | } |
704 | } | |
705 | break; | |
706 | ||
707 | #ifdef C_AUTOARG | |
708 | case C_AUTOARG: | |
709 | #endif /* C_AUTOARG */ | |
710 | case C_AUTO: | |
711 | case C_REG: | |
712 | case C_ARG: | |
713 | case C_REGPARM: | |
714 | case C_FIELD: | |
56385375 L |
715 | |
716 | /* According to the COFF documentation: | |
717 | ||
718 | http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html | |
719 | ||
720 | A special section number (-2) marks symbolic debugging symbols, | |
721 | including structure/union/enumeration tag names, typedefs, and | |
dcd619be | 722 | the name of the file. A section number of -1 indicates that the |
56385375 | 723 | symbol has a value but is not relocatable. Examples of |
dcd619be KH |
724 | absolute-valued symbols include automatic and register variables, |
725 | function arguments, and .eos symbols. | |
56385375 L |
726 | |
727 | But from Ian Lance Taylor: | |
728 | ||
729 | http://sources.redhat.com/ml/binutils/2000-08/msg00202.html | |
730 | ||
731 | the actual tools all marked them as section -1. So the GNU COFF | |
732 | assembler follows historical COFF assemblers. | |
733 | ||
734 | However, it causes problems for djgpp | |
735 | ||
736 | http://sources.redhat.com/ml/binutils/2000-08/msg00210.html | |
737 | ||
738 | By defining STRICTCOFF, a COFF port can make the assembler to | |
dcd619be | 739 | follow the documented behavior. */ |
56385375 | 740 | #ifdef STRICTCOFF |
252b5132 RH |
741 | case C_MOS: |
742 | case C_MOE: | |
743 | case C_MOU: | |
744 | case C_EOS: | |
56385375 | 745 | #endif |
d1d8ba22 | 746 | SF_SET_DEBUG (def_symbol_in_progress); |
252b5132 RH |
747 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
748 | break; | |
749 | ||
56385375 L |
750 | #ifndef STRICTCOFF |
751 | case C_MOS: | |
752 | case C_MOE: | |
753 | case C_MOU: | |
754 | case C_EOS: | |
755 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
756 | break; | |
757 | #endif | |
758 | ||
252b5132 RH |
759 | case C_EXT: |
760 | case C_WEAKEXT: | |
761 | #ifdef TE_PE | |
762 | case C_NT_WEAK: | |
763 | #endif | |
764 | case C_STAT: | |
765 | case C_LABEL: | |
766 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
767 | break; | |
768 | ||
769 | default: | |
770 | case C_USTATIC: | |
771 | case C_EXTDEF: | |
772 | case C_ULABEL: | |
773 | as_warn (_("unexpected storage class %d"), | |
774 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
775 | break; | |
776 | } /* switch on storage class */ | |
777 | ||
778 | /* Now that we have built a debug symbol, try to find if we should | |
779 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
9690c54d ILT |
780 | absolute_section or untagged SEG_DEBUG it never merges. We also |
781 | don't merge labels, which are in a different namespace, nor | |
782 | symbols which have not yet been defined since they are typically | |
783 | unique, nor do we merge tags with non-tags. */ | |
252b5132 RH |
784 | |
785 | /* Two cases for functions. Either debug followed by definition or | |
786 | definition followed by debug. For definition first, we will | |
787 | merge the debug symbol into the definition. For debug first, the | |
788 | lineno entry MUST point to the definition function or else it | |
789 | will point off into space when obj_crawl_symbol_chain() merges | |
790 | the debug symbol into the real symbol. Therefor, let's presume | |
dcd619be | 791 | the debug symbol is a real function reference. */ |
252b5132 RH |
792 | |
793 | /* FIXME-SOON If for some reason the definition label/symbol is | |
794 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 795 | time. */ |
252b5132 RH |
796 | |
797 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
9690c54d | 798 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL |
252b5132 RH |
799 | || (!strcmp (bfd_get_section_name (stdoutput, |
800 | S_GET_SEGMENT (def_symbol_in_progress)), | |
801 | "*DEBUG*") | |
802 | && !SF_GET_TAG (def_symbol_in_progress)) | |
803 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
9690c54d ILT |
804 | || ! symbol_constant_p (def_symbol_in_progress) |
805 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
cc8a6dd0 | 806 | DO_NOT_STRIP)) == NULL |
9690c54d | 807 | || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)) |
252b5132 | 808 | { |
9690c54d | 809 | /* If it already is at the end of the symbol list, do nothing */ |
252b5132 | 810 | if (def_symbol_in_progress != symbol_lastP) |
cc8a6dd0 | 811 | { |
9690c54d ILT |
812 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
813 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
814 | &symbol_lastP); | |
cc8a6dd0 | 815 | } |
252b5132 RH |
816 | } |
817 | else | |
818 | { | |
819 | /* This symbol already exists, merge the newly created symbol | |
820 | into the old one. This is not mandatory. The linker can | |
821 | handle duplicate symbols correctly. But I guess that it save | |
822 | a *lot* of space if the assembly file defines a lot of | |
823 | symbols. [loic] */ | |
824 | ||
825 | /* The debug entry (def_symbol_in_progress) is merged into the | |
dcd619be | 826 | previous definition. */ |
252b5132 RH |
827 | |
828 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
829 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
830 | ||
831 | def_symbol_in_progress = symbolP; | |
832 | ||
833 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
834 | || SF_GET_TAG (def_symbol_in_progress) | |
835 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
836 | { | |
837 | /* For functions, and tags, and static symbols, the symbol | |
838 | *must* be where the debug symbol appears. Move the | |
dcd619be | 839 | existing symbol to the current place. */ |
252b5132 RH |
840 | /* If it already is at the end of the symbol list, do nothing */ |
841 | if (def_symbol_in_progress != symbol_lastP) | |
842 | { | |
843 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
844 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
845 | } | |
846 | } | |
847 | } | |
848 | ||
849 | if (SF_GET_TAG (def_symbol_in_progress)) | |
850 | { | |
851 | symbolS *oldtag; | |
852 | ||
853 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
854 | DO_NOT_STRIP); | |
855 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
856 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
857 | def_symbol_in_progress); | |
858 | } | |
859 | ||
860 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
861 | { | |
862 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
863 | set_function (def_symbol_in_progress); | |
864 | SF_SET_PROCESS (def_symbol_in_progress); | |
865 | ||
866 | if (symbolP == NULL) | |
867 | { | |
868 | /* That is, if this is the first time we've seen the | |
dcd619be | 869 | function... */ |
252b5132 RH |
870 | symbol_table_insert (def_symbol_in_progress); |
871 | } /* definition follows debug */ | |
872 | } /* Create the line number entry pointing to the function being defined */ | |
873 | ||
874 | def_symbol_in_progress = NULL; | |
875 | demand_empty_rest_of_line (); | |
876 | } | |
877 | ||
878 | static void | |
879 | obj_coff_dim (ignore) | |
c4bf532f | 880 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
881 | { |
882 | int dim_index; | |
883 | ||
884 | if (def_symbol_in_progress == NULL) | |
885 | { | |
886 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
887 | demand_empty_rest_of_line (); | |
888 | return; | |
889 | } /* if not inside .def/.endef */ | |
890 | ||
891 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
892 | ||
893 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
894 | { | |
895 | SKIP_WHITESPACES (); | |
896 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
897 | get_absolute_expression ()); | |
898 | ||
899 | switch (*input_line_pointer) | |
900 | { | |
901 | case ',': | |
902 | input_line_pointer++; | |
903 | break; | |
904 | ||
905 | default: | |
906 | as_warn (_("badly formed .dim directive ignored")); | |
907 | /* intentional fallthrough */ | |
908 | case '\n': | |
909 | case ';': | |
910 | dim_index = DIMNUM; | |
911 | break; | |
912 | } | |
913 | } | |
914 | ||
915 | demand_empty_rest_of_line (); | |
916 | } | |
917 | ||
918 | static void | |
919 | obj_coff_line (ignore) | |
c4bf532f | 920 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
921 | { |
922 | int this_base; | |
923 | ||
924 | if (def_symbol_in_progress == NULL) | |
925 | { | |
926 | /* Probably stabs-style line? */ | |
927 | obj_coff_ln (0); | |
928 | return; | |
929 | } | |
930 | ||
931 | this_base = get_absolute_expression (); | |
932 | if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress))) | |
933 | coff_line_base = this_base; | |
934 | ||
935 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
23dab925 | 936 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); |
252b5132 RH |
937 | |
938 | demand_empty_rest_of_line (); | |
939 | ||
940 | #ifndef NO_LISTING | |
941 | if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0) | |
942 | { | |
943 | extern int listing; | |
944 | ||
945 | if (listing) | |
23dab925 | 946 | listing_source_line ((unsigned int) this_base); |
252b5132 RH |
947 | } |
948 | #endif | |
949 | } | |
950 | ||
951 | static void | |
952 | obj_coff_size (ignore) | |
c4bf532f | 953 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
954 | { |
955 | if (def_symbol_in_progress == NULL) | |
956 | { | |
957 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
958 | demand_empty_rest_of_line (); | |
959 | return; | |
960 | } /* if not inside .def/.endef */ | |
961 | ||
962 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
963 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
964 | demand_empty_rest_of_line (); | |
965 | } | |
966 | ||
967 | static void | |
968 | obj_coff_scl (ignore) | |
c4bf532f | 969 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
970 | { |
971 | if (def_symbol_in_progress == NULL) | |
972 | { | |
973 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
974 | demand_empty_rest_of_line (); | |
975 | return; | |
976 | } /* if not inside .def/.endef */ | |
977 | ||
978 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
979 | demand_empty_rest_of_line (); | |
980 | } | |
981 | ||
982 | static void | |
983 | obj_coff_tag (ignore) | |
c4bf532f | 984 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
985 | { |
986 | char *symbol_name; | |
987 | char name_end; | |
988 | ||
989 | if (def_symbol_in_progress == NULL) | |
990 | { | |
991 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
992 | demand_empty_rest_of_line (); | |
993 | return; | |
994 | } | |
995 | ||
996 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
997 | symbol_name = input_line_pointer; | |
998 | name_end = get_symbol_end (); | |
999 | ||
1000 | #ifdef tc_canonicalize_symbol_name | |
1001 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
1002 | #endif | |
1003 | ||
1004 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 1005 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
1006 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
1007 | tag_find_or_make (symbol_name)); | |
1008 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
1009 | { | |
1010 | as_warn (_("tag not found for .tag %s"), symbol_name); | |
1011 | } /* not defined */ | |
1012 | ||
1013 | SF_SET_TAGGED (def_symbol_in_progress); | |
1014 | *input_line_pointer = name_end; | |
1015 | ||
1016 | demand_empty_rest_of_line (); | |
1017 | } | |
1018 | ||
1019 | static void | |
1020 | obj_coff_type (ignore) | |
c4bf532f | 1021 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1022 | { |
1023 | if (def_symbol_in_progress == NULL) | |
1024 | { | |
1025 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
1026 | demand_empty_rest_of_line (); | |
1027 | return; | |
1028 | } /* if not inside .def/.endef */ | |
1029 | ||
1030 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
1031 | ||
1032 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
1033 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
1034 | { | |
1035 | SF_SET_FUNCTION (def_symbol_in_progress); | |
1036 | } /* is a function */ | |
1037 | ||
1038 | demand_empty_rest_of_line (); | |
1039 | } | |
1040 | ||
1041 | static void | |
1042 | obj_coff_val (ignore) | |
c4bf532f | 1043 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1044 | { |
1045 | if (def_symbol_in_progress == NULL) | |
1046 | { | |
1047 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
1048 | demand_empty_rest_of_line (); | |
1049 | return; | |
1050 | } /* if not inside .def/.endef */ | |
1051 | ||
1052 | if (is_name_beginner (*input_line_pointer)) | |
1053 | { | |
1054 | char *symbol_name = input_line_pointer; | |
1055 | char name_end = get_symbol_end (); | |
1056 | ||
1057 | #ifdef tc_canonicalize_symbol_name | |
1058 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
1059 | #endif | |
1060 | if (!strcmp (symbol_name, ".")) | |
1061 | { | |
49309057 | 1062 | symbol_set_frag (def_symbol_in_progress, frag_now); |
252b5132 RH |
1063 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
1064 | /* If the .val is != from the .def (e.g. statics) */ | |
1065 | } | |
1066 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
1067 | { | |
49309057 ILT |
1068 | expressionS exp; |
1069 | ||
1070 | exp.X_op = O_symbol; | |
1071 | exp.X_add_symbol = symbol_find_or_make (symbol_name); | |
1072 | exp.X_op_symbol = NULL; | |
1073 | exp.X_add_number = 0; | |
1074 | symbol_set_value_expression (def_symbol_in_progress, &exp); | |
252b5132 RH |
1075 | |
1076 | /* If the segment is undefined when the forward reference is | |
1077 | resolved, then copy the segment id from the forward | |
1078 | symbol. */ | |
1079 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
0561a208 ILT |
1080 | |
1081 | /* FIXME: gcc can generate address expressions here in | |
1082 | unusual cases (search for "obscure" in sdbout.c). We | |
1083 | just ignore the offset here, thus generating incorrect | |
1084 | debugging information. We ignore the rest of the line | |
1085 | just below. */ | |
252b5132 | 1086 | } |
0561a208 | 1087 | /* Otherwise, it is the name of a non debug symbol and its value |
dcd619be | 1088 | will be calculated later. */ |
252b5132 RH |
1089 | *input_line_pointer = name_end; |
1090 | } | |
1091 | else | |
1092 | { | |
1093 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
1094 | } /* if symbol based */ | |
1095 | ||
1096 | demand_empty_rest_of_line (); | |
1097 | } | |
1098 | ||
c87db184 CF |
1099 | /* Handle .weak. This is a GNU extension in formats other than PE. */ |
1100 | static void | |
1101 | obj_coff_weak (ignore) | |
1102 | int ignore ATTRIBUTE_UNUSED; | |
1103 | { | |
1104 | char *name; | |
1105 | int c; | |
1106 | symbolS *symbolP; | |
1107 | ||
1108 | do | |
1109 | { | |
1110 | name = input_line_pointer; | |
1111 | c = get_symbol_end (); | |
1112 | if (*name == 0) | |
1113 | { | |
1114 | as_warn (_("badly formed .weak directive ignored")); | |
1115 | ignore_rest_of_line (); | |
1116 | return; | |
1117 | } | |
1118 | symbolP = symbol_find_or_make (name); | |
1119 | *input_line_pointer = c; | |
1120 | SKIP_WHITESPACE (); | |
1121 | ||
1122 | #if defined BFD_ASSEMBLER || defined S_SET_WEAK | |
1123 | S_SET_WEAK (symbolP); | |
1124 | #endif | |
1125 | ||
1126 | #ifdef TE_PE | |
1127 | /* See _Microsoft Portable Executable and Common Object | |
1128 | * File Format Specification_, section 5.5.3. | |
1129 | * Note that weak symbols without aux records are a GNU | |
1130 | * extension. | |
1131 | */ | |
1132 | S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK); | |
1133 | ||
1134 | if (c == '=') | |
1135 | { | |
1136 | symbolS *alternateP; | |
1137 | long characteristics = 2; | |
1138 | ++input_line_pointer; | |
1139 | if (*input_line_pointer == '=') | |
1140 | { | |
1141 | characteristics = 1; | |
1142 | ++input_line_pointer; | |
1143 | } | |
1144 | ||
1145 | SKIP_WHITESPACE(); | |
1146 | name = input_line_pointer; | |
1147 | c = get_symbol_end(); | |
1148 | if (*name == 0) | |
1149 | { | |
1150 | as_warn (_("alternate name missing in .weak directive")); | |
1151 | ignore_rest_of_line (); | |
1152 | return; | |
1153 | } | |
1154 | alternateP = symbol_find_or_make (name); | |
1155 | *input_line_pointer = c; | |
1156 | ||
1157 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
1158 | SA_SET_SYM_TAGNDX (symbolP, alternateP); | |
1159 | SA_SET_SYM_FSIZE (symbolP, characteristics); | |
1160 | } | |
1161 | #else /* TE_PE */ | |
1162 | S_SET_STORAGE_CLASS (symbolP, C_WEAKEXT); | |
1163 | #endif /* TE_PE */ | |
1164 | ||
1165 | if (c == ',') | |
1166 | { | |
1167 | input_line_pointer++; | |
1168 | SKIP_WHITESPACE (); | |
1169 | if (*input_line_pointer == '\n') | |
1170 | c = '\n'; | |
1171 | } | |
1172 | ||
1173 | } | |
1174 | while (c == ','); | |
1175 | ||
1176 | demand_empty_rest_of_line (); | |
1177 | } | |
1178 | ||
252b5132 RH |
1179 | void |
1180 | coff_obj_read_begin_hook () | |
1181 | { | |
dcd619be | 1182 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
1183 | #ifndef BFD_HEADERS |
1184 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
1185 | know (SYMESZ == AUXESZ); | |
1186 | #endif | |
1187 | tag_init (); | |
1188 | } | |
1189 | ||
252b5132 | 1190 | symbolS *coff_last_function; |
17fc154e | 1191 | #ifndef OBJ_XCOFF |
252b5132 | 1192 | static symbolS *coff_last_bf; |
17fc154e | 1193 | #endif |
252b5132 RH |
1194 | |
1195 | void | |
1196 | coff_frob_symbol (symp, punt) | |
1197 | symbolS *symp; | |
1198 | int *punt; | |
1199 | { | |
1200 | static symbolS *last_tagP; | |
1201 | static stack *block_stack; | |
1202 | static symbolS *set_end; | |
1203 | symbolS *next_set_end = NULL; | |
1204 | ||
1205 | if (symp == &abs_symbol) | |
1206 | { | |
1207 | *punt = 1; | |
1208 | return; | |
1209 | } | |
1210 | ||
1211 | if (current_lineno_sym) | |
1212 | coff_add_linesym ((symbolS *) 0); | |
1213 | ||
1214 | if (!block_stack) | |
1215 | block_stack = stack_init (512, sizeof (symbolS*)); | |
1216 | ||
1217 | if (S_IS_WEAK (symp)) | |
1218 | { | |
1219 | #ifdef TE_PE | |
1220 | S_SET_STORAGE_CLASS (symp, C_NT_WEAK); | |
1221 | #else | |
1222 | S_SET_STORAGE_CLASS (symp, C_WEAKEXT); | |
1223 | #endif | |
1224 | } | |
1225 | ||
1226 | if (!S_IS_DEFINED (symp) | |
1227 | && !S_IS_WEAK (symp) | |
1228 | && S_GET_STORAGE_CLASS (symp) != C_STAT) | |
1229 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1230 | ||
1231 | if (!SF_GET_DEBUG (symp)) | |
1232 | { | |
bdbe95c8 NC |
1233 | symbolS * real; |
1234 | ||
252b5132 RH |
1235 | if (!SF_GET_LOCAL (symp) |
1236 | && !SF_GET_STATICS (symp) | |
39da8128 DD |
1237 | && S_GET_STORAGE_CLASS (symp) != C_LABEL |
1238 | && symbol_constant_p(symp) | |
252b5132 | 1239 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) |
bdbe95c8 | 1240 | && S_GET_STORAGE_CLASS (real) == C_NULL |
252b5132 RH |
1241 | && real != symp) |
1242 | { | |
1243 | c_symbol_merge (symp, real); | |
1244 | *punt = 1; | |
39da8128 | 1245 | return; |
252b5132 | 1246 | } |
bdbe95c8 | 1247 | |
5e0d736c | 1248 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) |
252b5132 | 1249 | { |
5e0d736c DD |
1250 | assert (S_GET_VALUE (symp) == 0); |
1251 | S_SET_EXTERNAL (symp); | |
1252 | } | |
1253 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
1254 | { | |
1255 | if (S_GET_SEGMENT (symp) == text_section | |
1256 | && symp != seg_info (text_section)->sym) | |
1257 | S_SET_STORAGE_CLASS (symp, C_LABEL); | |
252b5132 | 1258 | else |
5e0d736c | 1259 | S_SET_STORAGE_CLASS (symp, C_STAT); |
252b5132 | 1260 | } |
bdbe95c8 | 1261 | |
252b5132 RH |
1262 | if (SF_GET_PROCESS (symp)) |
1263 | { | |
1264 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
1265 | { | |
1266 | if (!strcmp (S_GET_NAME (symp), ".bb")) | |
1267 | stack_push (block_stack, (char *) &symp); | |
1268 | else | |
1269 | { | |
1270 | symbolS *begin; | |
bdbe95c8 | 1271 | |
252b5132 RH |
1272 | begin = *(symbolS **) stack_pop (block_stack); |
1273 | if (begin == 0) | |
1274 | as_warn (_("mismatched .eb")); | |
1275 | else | |
1276 | next_set_end = begin; | |
1277 | } | |
1278 | } | |
bdbe95c8 | 1279 | |
252b5132 RH |
1280 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
1281 | { | |
1282 | union internal_auxent *auxp; | |
bdbe95c8 | 1283 | |
252b5132 RH |
1284 | coff_last_function = symp; |
1285 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) | |
1286 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
0561a208 | 1287 | auxp = SYM_AUXENT (symp); |
252b5132 RH |
1288 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, |
1289 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
1290 | } | |
bdbe95c8 | 1291 | |
252b5132 RH |
1292 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) |
1293 | { | |
1294 | if (coff_last_function == 0) | |
1295 | as_fatal (_("C_EFCN symbol out of scope")); | |
1296 | SA_SET_SYM_FSIZE (coff_last_function, | |
1297 | (long) (S_GET_VALUE (symp) | |
1298 | - S_GET_VALUE (coff_last_function))); | |
1299 | next_set_end = coff_last_function; | |
1300 | coff_last_function = 0; | |
1301 | } | |
1302 | } | |
bdbe95c8 | 1303 | |
252b5132 RH |
1304 | if (S_IS_EXTERNAL (symp)) |
1305 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1306 | else if (SF_GET_LOCAL (symp)) | |
1307 | *punt = 1; | |
1308 | ||
1309 | if (SF_GET_FUNCTION (symp)) | |
49309057 | 1310 | symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION; |
252b5132 | 1311 | |
dcd619be | 1312 | /* more ... */ |
252b5132 RH |
1313 | } |
1314 | ||
8828d862 ILT |
1315 | /* Double check weak symbols. */ |
1316 | if (S_IS_WEAK (symp) && S_IS_COMMON (symp)) | |
1317 | as_bad (_("Symbol `%s' can not be both weak and common"), | |
1318 | S_GET_NAME (symp)); | |
1319 | ||
252b5132 RH |
1320 | if (SF_GET_TAG (symp)) |
1321 | last_tagP = symp; | |
1322 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
1323 | next_set_end = last_tagP; | |
1324 | ||
1325 | #ifdef OBJ_XCOFF | |
1326 | /* This is pretty horrible, but we have to set *punt correctly in | |
1327 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
809ffe0d | 1328 | if (! symbol_used_in_reloc_p (symp) |
49309057 | 1329 | && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0 |
670ec21d | 1330 | || (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp)) |
809ffe0d | 1331 | && ! symbol_get_tc (symp)->output |
252b5132 RH |
1332 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) |
1333 | *punt = 1; | |
1334 | #endif | |
1335 | ||
1336 | if (set_end != (symbolS *) NULL | |
1337 | && ! *punt | |
49309057 | 1338 | && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0 |
252b5132 RH |
1339 | || (S_IS_DEFINED (symp) |
1340 | && ! S_IS_COMMON (symp) | |
1341 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
1342 | { | |
1343 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1344 | set_end = NULL; | |
1345 | } | |
1346 | ||
a04b544b ILT |
1347 | if (next_set_end != NULL) |
1348 | { | |
1349 | if (set_end != NULL) | |
1350 | as_warn ("Warning: internal error: forgetting to set endndx of %s", | |
1351 | S_GET_NAME (set_end)); | |
1352 | set_end = next_set_end; | |
1353 | } | |
252b5132 | 1354 | |
8642cce8 | 1355 | #ifndef OBJ_XCOFF |
252b5132 RH |
1356 | if (! *punt |
1357 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
1358 | && strcmp (S_GET_NAME (symp), ".bf") == 0) | |
1359 | { | |
1360 | if (coff_last_bf != NULL) | |
1361 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1362 | coff_last_bf = symp; | |
1363 | } | |
8642cce8 | 1364 | #endif |
49309057 | 1365 | if (coffsymbol (symbol_get_bfdsym (symp))->lineno) |
252b5132 RH |
1366 | { |
1367 | int i; | |
1368 | struct line_no *lptr; | |
1369 | alent *l; | |
1370 | ||
49309057 | 1371 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1372 | for (i = 0; lptr; lptr = lptr->next) |
1373 | i++; | |
49309057 | 1374 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1375 | |
1376 | /* We need i entries for line numbers, plus 1 for the first | |
1377 | entry which BFD will override, plus 1 for the last zero | |
1378 | entry (a marker for BFD). */ | |
1379 | l = (alent *) xmalloc ((i + 2) * sizeof (alent)); | |
49309057 | 1380 | coffsymbol (symbol_get_bfdsym (symp))->lineno = l; |
252b5132 RH |
1381 | l[i + 1].line_number = 0; |
1382 | l[i + 1].u.sym = NULL; | |
1383 | for (; i > 0; i--) | |
1384 | { | |
1385 | if (lptr->frag) | |
bea9907b | 1386 | lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE; |
252b5132 RH |
1387 | l[i] = lptr->l; |
1388 | lptr = lptr->next; | |
1389 | } | |
1390 | } | |
1391 | } | |
1392 | ||
1393 | void | |
1394 | coff_adjust_section_syms (abfd, sec, x) | |
c4bf532f | 1395 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 1396 | asection *sec; |
c4bf532f | 1397 | PTR x ATTRIBUTE_UNUSED; |
252b5132 RH |
1398 | { |
1399 | symbolS *secsym; | |
1400 | segment_info_type *seginfo = seg_info (sec); | |
1401 | int nlnno, nrelocs = 0; | |
1402 | ||
1403 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in | |
1404 | tc-ppc.c. Do not get confused by it. */ | |
1405 | if (seginfo == NULL) | |
1406 | return; | |
1407 | ||
1408 | if (!strcmp (sec->name, ".text")) | |
1409 | nlnno = coff_n_line_nos; | |
1410 | else | |
1411 | nlnno = 0; | |
1412 | { | |
1413 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1414 | entry... */ | |
1415 | fixS *fixp = seginfo->fix_root; | |
1416 | while (fixp) | |
1417 | { | |
1418 | if (! fixp->fx_done) | |
1419 | nrelocs++; | |
1420 | fixp = fixp->fx_next; | |
1421 | } | |
1422 | } | |
587aac4e | 1423 | if (bfd_get_section_size (sec) == 0 |
252b5132 RH |
1424 | && nrelocs == 0 |
1425 | && nlnno == 0 | |
1426 | && sec != text_section | |
1427 | && sec != data_section | |
1428 | && sec != bss_section) | |
1429 | return; | |
1430 | secsym = section_symbol (sec); | |
945a1a6b ILT |
1431 | /* This is an estimate; we'll plug in the real value using |
1432 | SET_SECTION_RELOCS later */ | |
252b5132 RH |
1433 | SA_SET_SCN_NRELOC (secsym, nrelocs); |
1434 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1435 | } | |
1436 | ||
1437 | void | |
1438 | coff_frob_file_after_relocs () | |
1439 | { | |
1440 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0); | |
1441 | } | |
1442 | ||
6ff96af6 NC |
1443 | /* Implement the .section pseudo op: |
1444 | .section name {, "flags"} | |
1445 | ^ ^ | |
1446 | | +--- optional flags: 'b' for bss | |
1447 | | 'i' for info | |
1448 | +-- section name 'l' for lib | |
1449 | 'n' for noload | |
1450 | 'o' for over | |
1451 | 'w' for data | |
1452 | 'd' (apparently m88k for data) | |
1453 | 'x' for text | |
1454 | 'r' for read-only data | |
1455 | 's' for shared data (PE) | |
1456 | But if the argument is not a quoted string, treat it as a | |
1457 | subsegment number. | |
1458 | ||
1459 | Note the 'a' flag is silently ignored. This allows the same | |
1460 | .section directive to be parsed in both ELF and COFF formats. */ | |
252b5132 RH |
1461 | |
1462 | void | |
1463 | obj_coff_section (ignore) | |
c4bf532f | 1464 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1465 | { |
1466 | /* Strip out the section name */ | |
1467 | char *section_name; | |
1468 | char c; | |
1469 | char *name; | |
1470 | unsigned int exp; | |
c9900432 | 1471 | flagword flags, oldflags; |
252b5132 RH |
1472 | asection *sec; |
1473 | ||
1474 | if (flag_mri) | |
1475 | { | |
1476 | char type; | |
1477 | ||
1478 | s_mri_sect (&type); | |
1479 | return; | |
1480 | } | |
1481 | ||
1482 | section_name = input_line_pointer; | |
1483 | c = get_symbol_end (); | |
1484 | ||
1485 | name = xmalloc (input_line_pointer - section_name + 1); | |
1486 | strcpy (name, section_name); | |
1487 | ||
1488 | *input_line_pointer = c; | |
1489 | ||
1490 | SKIP_WHITESPACE (); | |
1491 | ||
1492 | exp = 0; | |
c9900432 | 1493 | flags = SEC_NO_FLAGS; |
252b5132 RH |
1494 | |
1495 | if (*input_line_pointer == ',') | |
1496 | { | |
1497 | ++input_line_pointer; | |
1498 | SKIP_WHITESPACE (); | |
1499 | if (*input_line_pointer != '"') | |
1500 | exp = get_absolute_expression (); | |
1501 | else | |
1502 | { | |
1503 | ++input_line_pointer; | |
1504 | while (*input_line_pointer != '"' | |
1505 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1506 | { | |
1507 | switch (*input_line_pointer) | |
1508 | { | |
1509 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1af96959 | 1510 | case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break; |
e96c5464 NC |
1511 | |
1512 | case 's': flags |= SEC_SHARED; /* fall through */ | |
5881e4aa ILT |
1513 | case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */ |
1514 | case 'w': flags &=~ SEC_READONLY; break; | |
e96c5464 | 1515 | |
aaa2624b | 1516 | case 'a': break; /* For compatibility with ELF. */ |
5881e4aa | 1517 | case 'x': flags |= SEC_CODE | SEC_LOAD; break; |
b256d4fd | 1518 | case 'r': flags |= SEC_DATA | SEC_LOAD | SEC_READONLY; break; |
252b5132 RH |
1519 | |
1520 | case 'i': /* STYP_INFO */ | |
1521 | case 'l': /* STYP_LIB */ | |
1522 | case 'o': /* STYP_OVER */ | |
1523 | as_warn (_("unsupported section attribute '%c'"), | |
1524 | *input_line_pointer); | |
1525 | break; | |
1526 | ||
1527 | default: | |
1528 | as_warn(_("unknown section attribute '%c'"), | |
1529 | *input_line_pointer); | |
1530 | break; | |
1531 | } | |
1532 | ++input_line_pointer; | |
1533 | } | |
1534 | if (*input_line_pointer == '"') | |
1535 | ++input_line_pointer; | |
1536 | } | |
1537 | } | |
1538 | ||
1539 | sec = subseg_new (name, (subsegT) exp); | |
1540 | ||
c9900432 NC |
1541 | oldflags = bfd_get_section_flags (stdoutput, sec); |
1542 | if (oldflags == SEC_NO_FLAGS) | |
252b5132 | 1543 | { |
c9900432 NC |
1544 | /* Set section flags for a new section just created by subseg_new. |
1545 | Provide a default if no flags were parsed. */ | |
1546 | if (flags == SEC_NO_FLAGS) | |
1ad5eac0 | 1547 | flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES; |
dcd619be | 1548 | |
c9900432 NC |
1549 | #ifdef COFF_LONG_SECTION_NAMES |
1550 | /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce | |
1551 | sections so adjust_reloc_syms in write.c will correctly handle | |
1552 | relocs which refer to non-local symbols in these sections. */ | |
814f6641 | 1553 | if (strncmp (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1) == 0) |
cc8a6dd0 | 1554 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
c9900432 | 1555 | #endif |
252b5132 RH |
1556 | |
1557 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
cc8a6dd0 KH |
1558 | as_warn (_("error setting flags for \"%s\": %s"), |
1559 | bfd_section_name (stdoutput, sec), | |
1560 | bfd_errmsg (bfd_get_error ())); | |
c9900432 NC |
1561 | } |
1562 | else if (flags != SEC_NO_FLAGS) | |
1563 | { | |
1564 | /* This section's attributes have already been set. Warn if the | |
1565 | attributes don't match. */ | |
5dd0794d AM |
1566 | flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE |
1567 | | SEC_DATA | SEC_SHARED | SEC_NEVER_LOAD); | |
c9900432 NC |
1568 | if ((flags ^ oldflags) & matchflags) |
1569 | as_warn (_("Ignoring changed section attributes for %s"), name); | |
252b5132 RH |
1570 | } |
1571 | ||
1572 | demand_empty_rest_of_line (); | |
1573 | } | |
1574 | ||
1575 | void | |
1576 | coff_adjust_symtab () | |
1577 | { | |
1578 | if (symbol_rootP == NULL | |
1579 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
1580 | c_dot_file_symbol ("fake"); | |
1581 | } | |
1582 | ||
1583 | void | |
1584 | coff_frob_section (sec) | |
1585 | segT sec; | |
1586 | { | |
1587 | segT strsec; | |
1588 | char *p; | |
1589 | fragS *fragp; | |
1590 | bfd_vma size, n_entries, mask; | |
bea9907b | 1591 | bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER; |
252b5132 RH |
1592 | |
1593 | /* The COFF back end in BFD requires that all section sizes be | |
bea9907b TW |
1594 | rounded up to multiples of the corresponding section alignments, |
1595 | supposedly because standard COFF has no other way of encoding alignment | |
1596 | for sections. If your COFF flavor has a different way of encoding | |
dcd619be | 1597 | section alignment, then skip this step, as TICOFF does. */ |
587aac4e | 1598 | size = bfd_get_section_size (sec); |
bea9907b TW |
1599 | mask = ((bfd_vma) 1 << align_power) - 1; |
1600 | #if !defined(TICOFF) | |
252b5132 RH |
1601 | if (size & mask) |
1602 | { | |
7f788821 NC |
1603 | bfd_vma new_size; |
1604 | fragS *last; | |
dcd619be | 1605 | |
7f788821 NC |
1606 | new_size = (size + mask) & ~mask; |
1607 | bfd_set_section_size (stdoutput, sec, new_size); | |
1608 | ||
1609 | /* If the size had to be rounded up, add some padding in | |
1610 | the last non-empty frag. */ | |
1611 | fragp = seg_info (sec)->frchainP->frch_root; | |
1612 | last = seg_info (sec)->frchainP->frch_last; | |
1613 | while (fragp->fr_next != last) | |
cc8a6dd0 | 1614 | fragp = fragp->fr_next; |
7f788821 NC |
1615 | last->fr_address = size; |
1616 | fragp->fr_offset += new_size - size; | |
252b5132 | 1617 | } |
bea9907b | 1618 | #endif |
252b5132 RH |
1619 | |
1620 | /* If the section size is non-zero, the section symbol needs an aux | |
1621 | entry associated with it, indicating the size. We don't know | |
1622 | all the values yet; coff_frob_symbol will fill them in later. */ | |
bea9907b | 1623 | #ifndef TICOFF |
252b5132 RH |
1624 | if (size != 0 |
1625 | || sec == text_section | |
1626 | || sec == data_section | |
1627 | || sec == bss_section) | |
bea9907b | 1628 | #endif |
252b5132 RH |
1629 | { |
1630 | symbolS *secsym = section_symbol (sec); | |
1631 | ||
1632 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1633 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1634 | SF_SET_STATICS (secsym); | |
1635 | SA_SET_SCN_SCNLEN (secsym, size); | |
1636 | } | |
1637 | ||
1638 | /* @@ these should be in a "stabs.h" file, or maybe as.h */ | |
1639 | #ifndef STAB_SECTION_NAME | |
1640 | #define STAB_SECTION_NAME ".stab" | |
1641 | #endif | |
1642 | #ifndef STAB_STRING_SECTION_NAME | |
1643 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1644 | #endif | |
1645 | if (strcmp (STAB_STRING_SECTION_NAME, sec->name)) | |
1646 | return; | |
1647 | ||
1648 | strsec = sec; | |
1649 | sec = subseg_get (STAB_SECTION_NAME, 0); | |
1650 | /* size is already rounded up, since other section will be listed first */ | |
587aac4e | 1651 | size = bfd_get_section_size (strsec); |
252b5132 | 1652 | |
587aac4e | 1653 | n_entries = bfd_get_section_size (sec) / 12 - 1; |
252b5132 RH |
1654 | |
1655 | /* Find first non-empty frag. It should be large enough. */ | |
1656 | fragp = seg_info (sec)->frchainP->frch_root; | |
1657 | while (fragp && fragp->fr_fix == 0) | |
1658 | fragp = fragp->fr_next; | |
1659 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1660 | ||
1661 | /* Store the values. */ | |
1662 | p = fragp->fr_literal; | |
1663 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1664 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1665 | } | |
1666 | ||
1667 | void | |
1668 | obj_coff_init_stab_section (seg) | |
1669 | segT seg; | |
1670 | { | |
1671 | char *file; | |
1672 | char *p; | |
1673 | char *stabstr_name; | |
1674 | unsigned int stroff; | |
1675 | ||
dcd619be | 1676 | /* Make space for this first symbol. */ |
252b5132 | 1677 | p = frag_more (12); |
dcd619be | 1678 | /* Zero it out. */ |
252b5132 RH |
1679 | memset (p, 0, 12); |
1680 | as_where (&file, (unsigned int *) NULL); | |
23deb923 | 1681 | stabstr_name = (char *) xmalloc (strlen (seg->name) + 4); |
252b5132 RH |
1682 | strcpy (stabstr_name, seg->name); |
1683 | strcat (stabstr_name, "str"); | |
1684 | stroff = get_stab_string_offset (file, stabstr_name); | |
1685 | know (stroff == 1); | |
1686 | md_number_to_chars (p, stroff, 4); | |
1687 | } | |
1688 | ||
1689 | #ifdef DEBUG | |
1690 | /* for debugging */ | |
1691 | const char * | |
1692 | s_get_name (s) | |
1693 | symbolS *s; | |
1694 | { | |
1695 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); | |
1696 | } | |
1697 | ||
1698 | void | |
1699 | symbol_dump () | |
1700 | { | |
1701 | symbolS *symbolP; | |
1702 | ||
1703 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
1704 | { | |
814f6641 | 1705 | printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"), |
252b5132 RH |
1706 | (unsigned long) symbolP, |
1707 | S_GET_NAME(symbolP), | |
1708 | (long) S_GET_DATA_TYPE(symbolP), | |
1709 | S_GET_STORAGE_CLASS(symbolP), | |
1710 | (int) S_GET_SEGMENT(symbolP)); | |
1711 | } | |
1712 | } | |
1713 | ||
1714 | #endif /* DEBUG */ | |
1715 | ||
1716 | #else /* not BFD_ASSEMBLER */ | |
1717 | ||
1718 | #include "frags.h" | |
dcd619be | 1719 | /* This is needed because we include internal bfd things. */ |
252b5132 RH |
1720 | #include <time.h> |
1721 | ||
1722 | #include "libbfd.h" | |
1723 | #include "libcoff.h" | |
1724 | ||
1725 | #ifdef TE_PE | |
1726 | #include "coff/pe.h" | |
1727 | #endif | |
1728 | ||
1729 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so | |
1730 | that we can stick sections together without causing trouble. */ | |
1731 | #ifndef NOP_OPCODE | |
1732 | #define NOP_OPCODE 0x00 | |
1733 | #endif | |
1734 | ||
1735 | /* The zeroes if symbol name is longer than 8 chars */ | |
1736 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1737 | ||
1738 | #define MIN(a,b) ((a) < (b)? (a) : (b)) | |
a04b544b ILT |
1739 | |
1740 | /* This vector is used to turn a gas internal segment number into a | |
1741 | section number suitable for insertion into a coff symbol table. | |
1742 | This must correspond to seg_info_off_by_4. */ | |
252b5132 RH |
1743 | |
1744 | const short seg_N_TYPE[] = | |
1745 | { /* in: segT out: N_TYPE bits */ | |
1746 | C_ABS_SECTION, | |
1747 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
1748 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1749 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1750 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1751 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ | |
1752 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1753 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1754 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1755 | C_NTV_SECTION, /* SEG_NTV */ | |
1756 | C_PTV_SECTION, /* SEG_PTV */ | |
1757 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1758 | }; | |
1759 | ||
1760 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1761 | started (the odd entry for line #0) */ | |
1762 | ||
f8e42b8c | 1763 | /* Structure used to keep the filenames which |
252b5132 | 1764 | are too long around so that we can stick them |
f8e42b8c | 1765 | into the string table. */ |
dcd619be | 1766 | struct filename_list |
252b5132 RH |
1767 | { |
1768 | char *filename; | |
1769 | struct filename_list *next; | |
1770 | }; | |
1771 | ||
1772 | static struct filename_list *filename_list_head; | |
1773 | static struct filename_list *filename_list_tail; | |
1774 | ||
1775 | static symbolS *last_line_symbol; | |
1776 | ||
1777 | /* Add 4 to the real value to get the index and compensate the | |
1778 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
f8e42b8c | 1779 | section number into a segment number. */ |
252b5132 | 1780 | |
252b5132 | 1781 | bfd *abfd; |
f8e42b8c NC |
1782 | static symbolS *previous_file_symbol; |
1783 | static int line_base; | |
252b5132 | 1784 | |
f8e42b8c NC |
1785 | void c_symbol_merge PARAMS ((symbolS *, symbolS *)); |
1786 | symbolS *c_section_symbol PARAMS ((char *, int)); | |
1787 | void obj_coff_section PARAMS ((int)); | |
1788 | void do_relocs_for PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1789 | char * symbol_to_chars PARAMS ((bfd *, char *, symbolS *)); | |
1790 | void w_strings PARAMS ((char *)); | |
1791 | ||
1792 | static void fixup_segment PARAMS ((segment_info_type *, segT)); | |
1793 | static void fixup_mdeps PARAMS ((fragS *, object_headers *, segT)); | |
1794 | static void fill_section PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1795 | static int c_line_new PARAMS ((symbolS *, long, int, fragS *)); | |
1796 | static void w_symbols PARAMS ((bfd *, char *, symbolS *)); | |
1797 | static void adjust_stab_section PARAMS ((bfd *, segT)); | |
252b5132 RH |
1798 | static void obj_coff_lcomm PARAMS ((int)); |
1799 | static void obj_coff_text PARAMS ((int)); | |
1800 | static void obj_coff_data PARAMS ((int)); | |
f8e42b8c NC |
1801 | static unsigned int count_entries_in_chain PARAMS ((unsigned int)); |
1802 | static void coff_header_append PARAMS ((bfd *, object_headers *)); | |
1803 | static unsigned int yank_symbols PARAMS ((void)); | |
1804 | static unsigned int glue_symbols PARAMS ((symbolS **, symbolS **)); | |
1805 | static unsigned int tie_tags PARAMS ((void)); | |
1806 | static void crawl_symbols PARAMS ((object_headers *, bfd *)); | |
1807 | static void do_linenos_for PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1808 | static void remove_subsegs PARAMS ((void)); | |
1809 | ||
1810 | ||
252b5132 | 1811 | |
a04b544b | 1812 | /* When not using BFD_ASSEMBLER, we permit up to 40 sections. |
252b5132 | 1813 | |
a04b544b ILT |
1814 | This array maps a COFF section number into a gas section number. |
1815 | Because COFF uses negative section numbers, you must add 4 to the | |
1816 | COFF section number when indexing into this array; this is done via | |
1817 | the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to | |
1818 | seg_N_TYPE. */ | |
252b5132 | 1819 | |
a04b544b | 1820 | static const segT seg_info_off_by_4[] = |
252b5132 | 1821 | { |
a04b544b ILT |
1822 | SEG_PTV, |
1823 | SEG_NTV, | |
1824 | SEG_DEBUG, | |
1825 | SEG_ABSOLUTE, | |
1826 | SEG_UNKNOWN, | |
1827 | SEG_E0, SEG_E1, SEG_E2, SEG_E3, SEG_E4, | |
1828 | SEG_E5, SEG_E6, SEG_E7, SEG_E8, SEG_E9, | |
1829 | SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14, | |
1830 | SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19, | |
1831 | SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24, | |
1832 | SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29, | |
1833 | SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34, | |
1834 | SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39, | |
1835 | (segT) 40, | |
1836 | (segT) 41, | |
1837 | (segT) 42, | |
1838 | (segT) 43, | |
1839 | (segT) 44, | |
1840 | (segT) 45, | |
1841 | (segT) 0, | |
1842 | (segT) 0, | |
1843 | (segT) 0, | |
1844 | SEG_REGISTER | |
252b5132 RH |
1845 | }; |
1846 | ||
252b5132 RH |
1847 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) |
1848 | ||
f8e42b8c NC |
1849 | static relax_addressT relax_align PARAMS ((relax_addressT, long)); |
1850 | ||
252b5132 RH |
1851 | static relax_addressT |
1852 | relax_align (address, alignment) | |
1853 | relax_addressT address; | |
1854 | long alignment; | |
1855 | { | |
1856 | relax_addressT mask; | |
1857 | relax_addressT new_address; | |
1858 | ||
1859 | mask = ~((~0) << alignment); | |
1860 | new_address = (address + mask) & (~mask); | |
1861 | return (new_address - address); | |
1862 | } | |
1863 | ||
252b5132 RH |
1864 | segT |
1865 | s_get_segment (x) | |
1866 | symbolS * x; | |
1867 | { | |
a04b544b | 1868 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum); |
252b5132 RH |
1869 | } |
1870 | ||
f8e42b8c NC |
1871 | static unsigned int size_section PARAMS ((bfd *, unsigned int)); |
1872 | ||
1873 | /* Calculate the size of the frag chain and fill in the section header | |
1874 | to contain all of it, also fill in the addr of the sections. */ | |
1875 | ||
252b5132 RH |
1876 | static unsigned int |
1877 | size_section (abfd, idx) | |
a04b544b | 1878 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1879 | unsigned int idx; |
1880 | { | |
252b5132 RH |
1881 | unsigned int size = 0; |
1882 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
f8e42b8c | 1883 | |
252b5132 RH |
1884 | while (frag) |
1885 | { | |
1886 | size = frag->fr_address; | |
1887 | if (frag->fr_address != size) | |
1888 | { | |
1889 | fprintf (stderr, _("Out of step\n")); | |
1890 | size = frag->fr_address; | |
1891 | } | |
1892 | ||
1893 | switch (frag->fr_type) | |
1894 | { | |
1895 | #ifdef TC_COFF_SIZEMACHDEP | |
1896 | case rs_machine_dependent: | |
1897 | size += TC_COFF_SIZEMACHDEP (frag); | |
1898 | break; | |
1899 | #endif | |
1900 | case rs_space: | |
252b5132 RH |
1901 | case rs_fill: |
1902 | case rs_org: | |
1903 | size += frag->fr_fix; | |
1904 | size += frag->fr_offset * frag->fr_var; | |
1905 | break; | |
1906 | case rs_align: | |
1907 | case rs_align_code: | |
0a9ef439 | 1908 | case rs_align_test: |
252b5132 RH |
1909 | { |
1910 | addressT off; | |
1911 | ||
1912 | size += frag->fr_fix; | |
1913 | off = relax_align (size, frag->fr_offset); | |
1914 | if (frag->fr_subtype != 0 && off > frag->fr_subtype) | |
1915 | off = 0; | |
1916 | size += off; | |
1917 | } | |
1918 | break; | |
1919 | default: | |
1920 | BAD_CASE (frag->fr_type); | |
1921 | break; | |
1922 | } | |
1923 | frag = frag->fr_next; | |
1924 | } | |
1925 | segment_info[idx].scnhdr.s_size = size; | |
1926 | return size; | |
1927 | } | |
1928 | ||
252b5132 RH |
1929 | static unsigned int |
1930 | count_entries_in_chain (idx) | |
1931 | unsigned int idx; | |
1932 | { | |
1933 | unsigned int nrelocs; | |
1934 | fixS *fixup_ptr; | |
1935 | ||
f8e42b8c | 1936 | /* Count the relocations. */ |
252b5132 RH |
1937 | fixup_ptr = segment_info[idx].fix_root; |
1938 | nrelocs = 0; | |
1939 | while (fixup_ptr != (fixS *) NULL) | |
1940 | { | |
1941 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) | |
1942 | { | |
3b16e843 | 1943 | #if defined(TC_A29K) || defined(TC_OR32) |
252b5132 RH |
1944 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) |
1945 | nrelocs += 2; | |
1946 | else | |
1947 | nrelocs++; | |
1948 | #else | |
1949 | nrelocs++; | |
1950 | #endif | |
1951 | } | |
1952 | ||
1953 | fixup_ptr = fixup_ptr->fx_next; | |
1954 | } | |
1955 | return nrelocs; | |
1956 | } | |
1957 | ||
1958 | #ifdef TE_AUX | |
1959 | ||
1960 | static int compare_external_relocs PARAMS ((const PTR, const PTR)); | |
1961 | ||
f8e42b8c NC |
1962 | /* AUX's ld expects relocations to be sorted. */ |
1963 | ||
252b5132 RH |
1964 | static int |
1965 | compare_external_relocs (x, y) | |
1966 | const PTR x; | |
1967 | const PTR y; | |
1968 | { | |
1969 | struct external_reloc *a = (struct external_reloc *) x; | |
1970 | struct external_reloc *b = (struct external_reloc *) y; | |
1971 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
1972 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
1973 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
1974 | } | |
1975 | ||
1976 | #endif | |
1977 | ||
f8e42b8c NC |
1978 | /* Output all the relocations for a section. */ |
1979 | ||
252b5132 RH |
1980 | void |
1981 | do_relocs_for (abfd, h, file_cursor) | |
1982 | bfd * abfd; | |
1983 | object_headers * h; | |
1984 | unsigned long *file_cursor; | |
1985 | { | |
1986 | unsigned int nrelocs; | |
1987 | unsigned int idx; | |
1988 | unsigned long reloc_start = *file_cursor; | |
1989 | ||
1990 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
1991 | { | |
1992 | if (segment_info[idx].scnhdr.s_name[0]) | |
1993 | { | |
1994 | struct external_reloc *ext_ptr; | |
1995 | struct external_reloc *external_reloc_vec; | |
1996 | unsigned int external_reloc_size; | |
1997 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1998 | fixS *fix_ptr = segment_info[idx].fix_root; | |
1999 | nrelocs = count_entries_in_chain (idx); | |
2000 | ||
2001 | if (nrelocs) | |
2002 | /* Bypass this stuff if no relocs. This also incidentally | |
2003 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
2004 | { | |
2005 | external_reloc_size = nrelocs * RELSZ; | |
2006 | external_reloc_vec = | |
2007 | (struct external_reloc *) malloc (external_reloc_size); | |
2008 | ||
2009 | ext_ptr = external_reloc_vec; | |
2010 | ||
2011 | /* Fill in the internal coff style reloc struct from the | |
2012 | internal fix list. */ | |
2013 | while (fix_ptr) | |
2014 | { | |
2015 | struct internal_reloc intr; | |
2016 | ||
f8e42b8c | 2017 | /* Only output some of the relocations. */ |
252b5132 RH |
2018 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
2019 | { | |
2020 | #ifdef TC_RELOC_MANGLE | |
2021 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, | |
2022 | base); | |
252b5132 RH |
2023 | #else |
2024 | symbolS *dot; | |
2025 | symbolS *symbol_ptr = fix_ptr->fx_addsy; | |
2026 | ||
2027 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
2028 | intr.r_vaddr = | |
2029 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
2030 | ||
2031 | #ifdef TC_KEEP_FX_OFFSET | |
2032 | intr.r_offset = fix_ptr->fx_offset; | |
2033 | #else | |
2034 | intr.r_offset = 0; | |
2035 | #endif | |
2036 | ||
2037 | while (symbol_ptr->sy_value.X_op == O_symbol | |
2038 | && (! S_IS_DEFINED (symbol_ptr) | |
2039 | || S_IS_COMMON (symbol_ptr))) | |
2040 | { | |
2041 | symbolS *n; | |
2042 | ||
2043 | /* We must avoid looping, as that can occur | |
2044 | with a badly written program. */ | |
2045 | n = symbol_ptr->sy_value.X_add_symbol; | |
2046 | if (n == symbol_ptr) | |
2047 | break; | |
2048 | symbol_ptr = n; | |
2049 | } | |
2050 | ||
2051 | /* Turn the segment of the symbol into an offset. */ | |
2052 | if (symbol_ptr) | |
2053 | { | |
6386f3a7 | 2054 | resolve_symbol_value (symbol_ptr); |
252b5132 RH |
2055 | if (! symbol_ptr->sy_resolved) |
2056 | { | |
2057 | char *file; | |
2058 | unsigned int line; | |
2059 | ||
2060 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
2061 | as_bad_where (file, line, | |
2062 | _("unresolved relocation")); | |
2063 | else | |
2064 | as_bad (_("bad relocation: symbol `%s' not in symbol table"), | |
2065 | S_GET_NAME (symbol_ptr)); | |
2066 | } | |
f8e42b8c | 2067 | |
252b5132 RH |
2068 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
2069 | if (dot) | |
f8e42b8c | 2070 | intr.r_symndx = dot->sy_number; |
252b5132 | 2071 | else |
f8e42b8c | 2072 | intr.r_symndx = symbol_ptr->sy_number; |
252b5132 RH |
2073 | } |
2074 | else | |
f8e42b8c | 2075 | intr.r_symndx = -1; |
252b5132 | 2076 | #endif |
252b5132 RH |
2077 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); |
2078 | ext_ptr++; | |
252b5132 | 2079 | #if defined(TC_A29K) |
252b5132 | 2080 | /* The 29k has a special kludge for the high 16 bit |
aaa2624b | 2081 | reloc. Two relocations are emitted, R_IHIHALF, |
252b5132 RH |
2082 | and R_IHCONST. The second one doesn't contain a |
2083 | symbol, but uses the value for offset. */ | |
252b5132 RH |
2084 | if (intr.r_type == R_IHIHALF) |
2085 | { | |
f8e42b8c | 2086 | /* Now emit the second bit. */ |
252b5132 RH |
2087 | intr.r_type = R_IHCONST; |
2088 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2089 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
2090 | ext_ptr++; | |
2091 | } | |
3b16e843 NC |
2092 | #endif |
2093 | #if defined(TC_OR32) | |
2094 | /* The or32 has a special kludge for the high 16 bit | |
aaa2624b | 2095 | reloc. Two relocations are emitted, R_IHIHALF, |
3b16e843 NC |
2096 | and R_IHCONST. The second one doesn't contain a |
2097 | symbol, but uses the value for offset. */ | |
2098 | if (intr.r_type == R_IHIHALF) | |
2099 | { | |
2100 | /* Now emit the second bit. */ | |
2101 | intr.r_type = R_IHCONST; | |
2102 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2103 | (void) bfd_coff_swap_reloc_out (abfd, & intr, ext_ptr); | |
2104 | ext_ptr ++; | |
2105 | } | |
252b5132 RH |
2106 | #endif |
2107 | } | |
2108 | ||
2109 | fix_ptr = fix_ptr->fx_next; | |
2110 | } | |
252b5132 | 2111 | #ifdef TE_AUX |
f8e42b8c | 2112 | /* Sort the reloc table. */ |
252b5132 RH |
2113 | qsort ((PTR) external_reloc_vec, nrelocs, |
2114 | sizeof (struct external_reloc), compare_external_relocs); | |
2115 | #endif | |
f8e42b8c | 2116 | /* Write out the reloc table. */ |
0e1a166b AM |
2117 | bfd_bwrite ((PTR) external_reloc_vec, |
2118 | (bfd_size_type) external_reloc_size, abfd); | |
252b5132 RH |
2119 | free (external_reloc_vec); |
2120 | ||
2121 | /* Fill in section header info. */ | |
2122 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
2123 | *file_cursor += external_reloc_size; | |
2124 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
2125 | } | |
2126 | else | |
2127 | { | |
f8e42b8c | 2128 | /* No relocs. */ |
252b5132 RH |
2129 | segment_info[idx].scnhdr.s_relptr = 0; |
2130 | } | |
2131 | } | |
2132 | } | |
f8e42b8c NC |
2133 | |
2134 | /* Set relocation_size field in file headers. */ | |
252b5132 RH |
2135 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); |
2136 | } | |
2137 | ||
f8e42b8c | 2138 | /* Run through a frag chain and write out the data to go with it, fill |
aaa2624b | 2139 | in the scnhdrs with the info on the file positions. */ |
f8e42b8c | 2140 | |
252b5132 RH |
2141 | static void |
2142 | fill_section (abfd, h, file_cursor) | |
2143 | bfd * abfd; | |
a04b544b | 2144 | object_headers *h ATTRIBUTE_UNUSED; |
252b5132 RH |
2145 | unsigned long *file_cursor; |
2146 | { | |
252b5132 RH |
2147 | unsigned int i; |
2148 | unsigned int paddr = 0; | |
2149 | ||
2150 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
2151 | { | |
2152 | unsigned int offset = 0; | |
2153 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); | |
2154 | ||
2155 | PROGRESS (1); | |
2156 | ||
2157 | if (s->s_name[0]) | |
2158 | { | |
2159 | fragS *frag = segment_info[i].frchainP->frch_root; | |
ea3b9044 | 2160 | char *buffer = NULL; |
252b5132 RH |
2161 | |
2162 | if (s->s_size == 0) | |
2163 | s->s_scnptr = 0; | |
2164 | else | |
2165 | { | |
2166 | buffer = xmalloc (s->s_size); | |
2167 | s->s_scnptr = *file_cursor; | |
2168 | } | |
2169 | know (s->s_paddr == paddr); | |
2170 | ||
2171 | if (strcmp (s->s_name, ".text") == 0) | |
2172 | s->s_flags |= STYP_TEXT; | |
2173 | else if (strcmp (s->s_name, ".data") == 0) | |
2174 | s->s_flags |= STYP_DATA; | |
2175 | else if (strcmp (s->s_name, ".bss") == 0) | |
2176 | { | |
2177 | s->s_scnptr = 0; | |
2178 | s->s_flags |= STYP_BSS; | |
2179 | ||
2180 | /* @@ Should make the i386 and a29k coff targets define | |
2181 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
2182 | #ifndef TC_I386 | |
2183 | #ifndef TC_A29K | |
3b16e843 | 2184 | #ifndef TC_OR32 |
252b5132 RH |
2185 | #ifndef COFF_NOLOAD_PROBLEM |
2186 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
2187 | mondfe progrem are confused by noload sections. */ | |
2188 | s->s_flags |= STYP_NOLOAD; | |
2189 | #endif | |
2190 | #endif | |
3b16e843 | 2191 | #endif |
252b5132 RH |
2192 | #endif |
2193 | } | |
2194 | else if (strcmp (s->s_name, ".lit") == 0) | |
2195 | s->s_flags = STYP_LIT | STYP_TEXT; | |
2196 | else if (strcmp (s->s_name, ".init") == 0) | |
2197 | s->s_flags |= STYP_TEXT; | |
2198 | else if (strcmp (s->s_name, ".fini") == 0) | |
2199 | s->s_flags |= STYP_TEXT; | |
2200 | else if (strncmp (s->s_name, ".comment", 8) == 0) | |
2201 | s->s_flags |= STYP_INFO; | |
2202 | ||
2203 | while (frag) | |
2204 | { | |
2205 | unsigned int fill_size; | |
2206 | switch (frag->fr_type) | |
2207 | { | |
2208 | case rs_machine_dependent: | |
2209 | if (frag->fr_fix) | |
2210 | { | |
2211 | memcpy (buffer + frag->fr_address, | |
2212 | frag->fr_literal, | |
2213 | (unsigned int) frag->fr_fix); | |
2214 | offset += frag->fr_fix; | |
2215 | } | |
2216 | ||
2217 | break; | |
2218 | case rs_space: | |
252b5132 RH |
2219 | case rs_fill: |
2220 | case rs_align: | |
2221 | case rs_align_code: | |
0a9ef439 | 2222 | case rs_align_test: |
252b5132 RH |
2223 | case rs_org: |
2224 | if (frag->fr_fix) | |
2225 | { | |
2226 | memcpy (buffer + frag->fr_address, | |
2227 | frag->fr_literal, | |
2228 | (unsigned int) frag->fr_fix); | |
2229 | offset += frag->fr_fix; | |
2230 | } | |
2231 | ||
2232 | fill_size = frag->fr_var; | |
2233 | if (fill_size && frag->fr_offset > 0) | |
2234 | { | |
2235 | unsigned int count; | |
2236 | unsigned int off = frag->fr_fix; | |
2237 | for (count = frag->fr_offset; count; count--) | |
2238 | { | |
2239 | if (fill_size + frag->fr_address + off <= s->s_size) | |
2240 | { | |
2241 | memcpy (buffer + frag->fr_address + off, | |
2242 | frag->fr_literal + frag->fr_fix, | |
2243 | fill_size); | |
2244 | off += fill_size; | |
2245 | offset += fill_size; | |
2246 | } | |
2247 | } | |
2248 | } | |
2249 | break; | |
2250 | case rs_broken_word: | |
2251 | break; | |
2252 | default: | |
2253 | abort (); | |
2254 | } | |
2255 | frag = frag->fr_next; | |
2256 | } | |
2257 | ||
2258 | if (s->s_size != 0) | |
2259 | { | |
2260 | if (s->s_scnptr != 0) | |
2261 | { | |
0e1a166b | 2262 | bfd_bwrite (buffer, s->s_size, abfd); |
252b5132 RH |
2263 | *file_cursor += s->s_size; |
2264 | } | |
2265 | free (buffer); | |
2266 | } | |
2267 | paddr += s->s_size; | |
2268 | } | |
2269 | } | |
2270 | } | |
2271 | ||
f8e42b8c | 2272 | /* Coff file generation & utilities. */ |
252b5132 RH |
2273 | |
2274 | static void | |
2275 | coff_header_append (abfd, h) | |
2276 | bfd * abfd; | |
2277 | object_headers * h; | |
2278 | { | |
2279 | unsigned int i; | |
2280 | char buffer[1000]; | |
2281 | char buffero[1000]; | |
2282 | #ifdef COFF_LONG_SECTION_NAMES | |
2283 | unsigned long string_size = 4; | |
2284 | #endif | |
2285 | ||
0e1a166b | 2286 | bfd_seek (abfd, (file_ptr) 0, 0); |
252b5132 RH |
2287 | |
2288 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
2289 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
2290 | H_SET_VERSION_STAMP (h, 0); | |
2291 | H_SET_ENTRY_POINT (h, 0); | |
2292 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
2293 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
2294 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, | |
2295 | buffero)); | |
2296 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2297 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
2298 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2299 | ||
2300 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
2301 | ||
0e1a166b AM |
2302 | bfd_bwrite (buffer, (bfd_size_type) i, abfd); |
2303 | bfd_bwrite (buffero, (bfd_size_type) H_GET_SIZEOF_OPTIONAL_HEADER (h), abfd); | |
252b5132 RH |
2304 | |
2305 | for (i = SEG_E0; i < SEG_LAST; i++) | |
2306 | { | |
2307 | if (segment_info[i].scnhdr.s_name[0]) | |
2308 | { | |
2309 | unsigned int size; | |
2310 | ||
2311 | #ifdef COFF_LONG_SECTION_NAMES | |
2312 | /* Support long section names as found in PE. This code | |
2313 | must coordinate with that in write_object_file and | |
2314 | w_strings. */ | |
2315 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
2316 | { | |
2317 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
2318 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); | |
2319 | string_size += strlen (segment_info[i].name) + 1; | |
2320 | } | |
2321 | #endif | |
252b5132 RH |
2322 | size = bfd_coff_swap_scnhdr_out (abfd, |
2323 | &(segment_info[i].scnhdr), | |
2324 | buffer); | |
2325 | if (size == 0) | |
2326 | as_bad (_("bfd_coff_swap_scnhdr_out failed")); | |
0e1a166b | 2327 | bfd_bwrite (buffer, (bfd_size_type) size, abfd); |
252b5132 RH |
2328 | } |
2329 | } | |
2330 | } | |
2331 | ||
252b5132 RH |
2332 | char * |
2333 | symbol_to_chars (abfd, where, symbolP) | |
2334 | bfd * abfd; | |
2335 | char *where; | |
2336 | symbolS * symbolP; | |
2337 | { | |
2338 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
2339 | unsigned int i; | |
2340 | valueT val; | |
2341 | ||
f8e42b8c | 2342 | /* Turn any symbols with register attributes into abs symbols. */ |
252b5132 | 2343 | if (S_GET_SEGMENT (symbolP) == reg_section) |
f8e42b8c | 2344 | S_SET_SEGMENT (symbolP, absolute_section); |
252b5132 | 2345 | |
f8e42b8c | 2346 | /* At the same time, relocate all symbols to their output value. */ |
252b5132 RH |
2347 | #ifndef TE_PE |
2348 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
2349 | + S_GET_VALUE (symbolP)); | |
2350 | #else | |
2351 | val = S_GET_VALUE (symbolP); | |
2352 | #endif | |
2353 | ||
2354 | S_SET_VALUE (symbolP, val); | |
2355 | ||
2356 | symbolP->sy_symbol.ost_entry.n_value = val; | |
2357 | ||
2358 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
2359 | where); | |
2360 | ||
2361 | for (i = 0; i < numaux; i++) | |
2362 | { | |
2363 | where += bfd_coff_swap_aux_out (abfd, | |
2364 | &symbolP->sy_symbol.ost_auxent[i], | |
2365 | S_GET_DATA_TYPE (symbolP), | |
2366 | S_GET_STORAGE_CLASS (symbolP), | |
2367 | i, numaux, where); | |
2368 | } | |
252b5132 | 2369 | |
f8e42b8c | 2370 | return where; |
252b5132 RH |
2371 | } |
2372 | ||
2373 | void | |
2374 | coff_obj_symbol_new_hook (symbolP) | |
2375 | symbolS *symbolP; | |
2376 | { | |
f8e42b8c | 2377 | char underscore = 0; /* Symbol has leading _ */ |
252b5132 | 2378 | |
f8e42b8c | 2379 | /* Effective symbol. */ |
dcd619be | 2380 | /* Store the pointer in the offset. */ |
252b5132 RH |
2381 | S_SET_ZEROES (symbolP, 0L); |
2382 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
2383 | S_SET_STORAGE_CLASS (symbolP, 0); | |
2384 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
f8e42b8c | 2385 | /* Additional information. */ |
252b5132 | 2386 | symbolP->sy_symbol.ost_flags = 0; |
f8e42b8c | 2387 | /* Auxiliary entries. */ |
252b5132 RH |
2388 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); |
2389 | ||
2390 | if (S_IS_STRING (symbolP)) | |
2391 | SF_SET_STRING (symbolP); | |
2392 | if (!underscore && S_IS_LOCAL (symbolP)) | |
2393 | SF_SET_LOCAL (symbolP); | |
2394 | } | |
2395 | ||
f8e42b8c | 2396 | /* Handle .ln directives. */ |
252b5132 RH |
2397 | |
2398 | static void | |
2399 | obj_coff_ln (appline) | |
2400 | int appline; | |
2401 | { | |
2402 | int l; | |
2403 | ||
2404 | if (! appline && def_symbol_in_progress != NULL) | |
2405 | { | |
f8e42b8c | 2406 | /* Wrong context. */ |
252b5132 RH |
2407 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
2408 | demand_empty_rest_of_line (); | |
2409 | return; | |
f8e42b8c | 2410 | } |
252b5132 RH |
2411 | |
2412 | l = get_absolute_expression (); | |
2413 | c_line_new (0, frag_now_fix (), l, frag_now); | |
2414 | ||
2415 | if (appline) | |
2416 | new_logical_line ((char *) NULL, l - 1); | |
2417 | ||
2418 | #ifndef NO_LISTING | |
2419 | { | |
2420 | extern int listing; | |
2421 | ||
2422 | if (listing) | |
2423 | { | |
2424 | if (! appline) | |
2425 | l += line_base - 1; | |
2426 | listing_source_line ((unsigned int) l); | |
2427 | } | |
2428 | ||
2429 | } | |
2430 | #endif | |
2431 | demand_empty_rest_of_line (); | |
2432 | } | |
2433 | ||
f8e42b8c NC |
2434 | /* Handle .def directives. |
2435 | ||
2436 | One might ask : why can't we symbol_new if the symbol does not | |
2437 | already exist and fill it with debug information. Because of | |
2438 | the C_EFCN special symbol. It would clobber the value of the | |
2439 | function symbol before we have a chance to notice that it is | |
2440 | a C_EFCN. And a second reason is that the code is more clear this | |
2441 | way. (at least I think it is :-). */ | |
252b5132 RH |
2442 | |
2443 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2444 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
2445 | *input_line_pointer == '\t') \ | |
2446 | input_line_pointer++; | |
2447 | ||
2448 | static void | |
2449 | obj_coff_def (what) | |
a04b544b | 2450 | int what ATTRIBUTE_UNUSED; |
252b5132 | 2451 | { |
f8e42b8c NC |
2452 | char name_end; /* Char after the end of name. */ |
2453 | char *symbol_name; /* Name of the debug symbol. */ | |
2454 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
2455 | unsigned int symbol_name_length; |
2456 | ||
2457 | if (def_symbol_in_progress != NULL) | |
2458 | { | |
2459 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
2460 | demand_empty_rest_of_line (); | |
2461 | return; | |
f8e42b8c | 2462 | } |
252b5132 RH |
2463 | |
2464 | SKIP_WHITESPACES (); | |
2465 | ||
2466 | def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); | |
2467 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); | |
2468 | ||
2469 | symbol_name = input_line_pointer; | |
2470 | name_end = get_symbol_end (); | |
2471 | symbol_name_length = strlen (symbol_name); | |
2472 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2473 | strcpy (symbol_name_copy, symbol_name); | |
2474 | #ifdef tc_canonicalize_symbol_name | |
2475 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
2476 | #endif | |
2477 | ||
f8e42b8c | 2478 | /* Initialize the new symbol. */ |
252b5132 RH |
2479 | #ifdef STRIP_UNDERSCORE |
2480 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2481 | ? symbol_name_copy + 1 | |
2482 | : symbol_name_copy)); | |
2483 | #else /* STRIP_UNDERSCORE */ | |
2484 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2485 | #endif /* STRIP_UNDERSCORE */ | |
2486 | /* free(symbol_name_copy); */ | |
2487 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2488 | def_symbol_in_progress->sy_number = ~0; | |
2489 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2490 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2491 | ||
2492 | if (S_IS_STRING (def_symbol_in_progress)) | |
2493 | SF_SET_STRING (def_symbol_in_progress); | |
2494 | ||
2495 | *input_line_pointer = name_end; | |
2496 | ||
2497 | demand_empty_rest_of_line (); | |
2498 | } | |
2499 | ||
2500 | unsigned int dim_index; | |
2501 | ||
252b5132 RH |
2502 | static void |
2503 | obj_coff_endef (ignore) | |
a04b544b | 2504 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2505 | { |
2506 | symbolS *symbolP = 0; | |
2507 | /* DIM BUG FIX sac@cygnus.com */ | |
2508 | dim_index = 0; | |
2509 | if (def_symbol_in_progress == NULL) | |
2510 | { | |
2511 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
2512 | demand_empty_rest_of_line (); | |
2513 | return; | |
f8e42b8c | 2514 | } |
252b5132 | 2515 | |
dcd619be | 2516 | /* Set the section number according to storage class. */ |
252b5132 RH |
2517 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
2518 | { | |
2519 | case C_STRTAG: | |
2520 | case C_ENTAG: | |
2521 | case C_UNTAG: | |
2522 | SF_SET_TAG (def_symbol_in_progress); | |
f8e42b8c NC |
2523 | /* Intentional fallthrough. */ |
2524 | ||
252b5132 RH |
2525 | case C_FILE: |
2526 | case C_TPDEF: | |
2527 | SF_SET_DEBUG (def_symbol_in_progress); | |
2528 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2529 | break; | |
2530 | ||
2531 | case C_EFCN: | |
f8e42b8c NC |
2532 | /* Do not emit this symbol. */ |
2533 | SF_SET_LOCAL (def_symbol_in_progress); | |
2534 | /* Intentional fallthrough. */ | |
2535 | ||
252b5132 | 2536 | case C_BLOCK: |
f8e42b8c NC |
2537 | /* Will need processing before writing. */ |
2538 | SF_SET_PROCESS (def_symbol_in_progress); | |
2539 | /* Intentional fallthrough. */ | |
2540 | ||
252b5132 RH |
2541 | case C_FCN: |
2542 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2543 | ||
2544 | if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) | |
2545 | { /* .bf */ | |
2546 | if (function_lineoff < 0) | |
f8e42b8c NC |
2547 | fprintf (stderr, _("`.bf' symbol without preceding function\n")); |
2548 | ||
252b5132 RH |
2549 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; |
2550 | ||
2551 | SF_SET_PROCESS (last_line_symbol); | |
2552 | SF_SET_ADJ_LNNOPTR (last_line_symbol); | |
2553 | SF_SET_PROCESS (def_symbol_in_progress); | |
2554 | function_lineoff = -1; | |
2555 | } | |
f8e42b8c | 2556 | |
dcd619be | 2557 | /* Value is always set to . */ |
252b5132 RH |
2558 | def_symbol_in_progress->sy_frag = frag_now; |
2559 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2560 | break; | |
2561 | ||
2562 | #ifdef C_AUTOARG | |
2563 | case C_AUTOARG: | |
2564 | #endif /* C_AUTOARG */ | |
2565 | case C_AUTO: | |
2566 | case C_REG: | |
2567 | case C_MOS: | |
2568 | case C_MOE: | |
2569 | case C_MOU: | |
2570 | case C_ARG: | |
2571 | case C_REGPARM: | |
2572 | case C_FIELD: | |
2573 | case C_EOS: | |
2574 | SF_SET_DEBUG (def_symbol_in_progress); | |
2575 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2576 | break; | |
2577 | ||
2578 | case C_EXT: | |
2579 | case C_WEAKEXT: | |
2580 | #ifdef TE_PE | |
2581 | case C_NT_WEAK: | |
2582 | #endif | |
2583 | case C_STAT: | |
2584 | case C_LABEL: | |
f8e42b8c | 2585 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
2586 | break; |
2587 | ||
2588 | case C_USTATIC: | |
2589 | case C_EXTDEF: | |
2590 | case C_ULABEL: | |
2591 | as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2592 | break; | |
f8e42b8c | 2593 | } |
252b5132 RH |
2594 | |
2595 | /* Now that we have built a debug symbol, try to find if we should | |
2596 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2597 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2598 | don't merge labels, which are in a different namespace, nor | |
2599 | symbols which have not yet been defined since they are typically | |
2600 | unique, nor do we merge tags with non-tags. */ | |
2601 | ||
2602 | /* Two cases for functions. Either debug followed by definition or | |
2603 | definition followed by debug. For definition first, we will | |
2604 | merge the debug symbol into the definition. For debug first, the | |
2605 | lineno entry MUST point to the definition function or else it | |
2606 | will point off into space when crawl_symbols() merges the debug | |
2607 | symbol into the real symbol. Therefor, let's presume the debug | |
dcd619be | 2608 | symbol is a real function reference. */ |
252b5132 RH |
2609 | |
2610 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2611 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 2612 | time. */ |
252b5132 RH |
2613 | |
2614 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2615 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2616 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2617 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2618 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2619 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2620 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2621 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2622 | { | |
2623 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2624 | &symbol_lastP); | |
2625 | } | |
2626 | else | |
2627 | { | |
2628 | /* This symbol already exists, merge the newly created symbol | |
2629 | into the old one. This is not mandatory. The linker can | |
2630 | handle duplicate symbols correctly. But I guess that it save | |
2631 | a *lot* of space if the assembly file defines a lot of | |
2632 | symbols. [loic] */ | |
2633 | ||
2634 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2635 | previous definition. */ | |
2636 | ||
2637 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
dcd619be | 2638 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ |
252b5132 RH |
2639 | def_symbol_in_progress = symbolP; |
2640 | ||
2641 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
2642 | || SF_GET_TAG (def_symbol_in_progress) | |
2643 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2644 | { | |
2645 | /* For functions, and tags, and static symbols, the symbol | |
2646 | *must* be where the debug symbol appears. Move the | |
dcd619be | 2647 | existing symbol to the current place. */ |
f8e42b8c | 2648 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
2649 | if (def_symbol_in_progress != symbol_lastP) |
2650 | { | |
2651 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2652 | &symbol_lastP); | |
2653 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2654 | &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
2655 | } |
2656 | } | |
2657 | } | |
252b5132 RH |
2658 | |
2659 | if (SF_GET_TAG (def_symbol_in_progress)) | |
2660 | { | |
2661 | symbolS *oldtag; | |
2662 | ||
2663 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
2664 | DO_NOT_STRIP); | |
2665 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
2666 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2667 | def_symbol_in_progress); | |
2668 | } | |
2669 | ||
2670 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2671 | { | |
2672 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2673 | function_lineoff | |
2674 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2675 | ||
2676 | SF_SET_PROCESS (def_symbol_in_progress); | |
2677 | ||
2678 | if (symbolP == NULL) | |
2679 | { | |
2680 | /* That is, if this is the first time we've seen the | |
dcd619be | 2681 | function... */ |
252b5132 | 2682 | symbol_table_insert (def_symbol_in_progress); |
f8e42b8c NC |
2683 | } |
2684 | } | |
252b5132 RH |
2685 | |
2686 | def_symbol_in_progress = NULL; | |
2687 | demand_empty_rest_of_line (); | |
2688 | } | |
2689 | ||
2690 | static void | |
2691 | obj_coff_dim (ignore) | |
a04b544b | 2692 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2693 | { |
2694 | int dim_index; | |
2695 | ||
2696 | if (def_symbol_in_progress == NULL) | |
2697 | { | |
2698 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
2699 | demand_empty_rest_of_line (); | |
2700 | return; | |
f8e42b8c | 2701 | } |
252b5132 RH |
2702 | |
2703 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2704 | ||
2705 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2706 | { | |
2707 | SKIP_WHITESPACES (); | |
2708 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2709 | get_absolute_expression ()); | |
2710 | ||
2711 | switch (*input_line_pointer) | |
2712 | { | |
2713 | case ',': | |
2714 | input_line_pointer++; | |
2715 | break; | |
2716 | ||
2717 | default: | |
2718 | as_warn (_("badly formed .dim directive ignored")); | |
f8e42b8c NC |
2719 | /* Intentional fallthrough. */ |
2720 | ||
252b5132 RH |
2721 | case '\n': |
2722 | case ';': | |
2723 | dim_index = DIMNUM; | |
2724 | break; | |
2725 | } | |
2726 | } | |
2727 | ||
2728 | demand_empty_rest_of_line (); | |
2729 | } | |
2730 | ||
2731 | static void | |
2732 | obj_coff_line (ignore) | |
a04b544b | 2733 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2734 | { |
2735 | int this_base; | |
2736 | const char *name; | |
2737 | ||
2738 | if (def_symbol_in_progress == NULL) | |
2739 | { | |
2740 | obj_coff_ln (0); | |
2741 | return; | |
2742 | } | |
2743 | ||
2744 | name = S_GET_NAME (def_symbol_in_progress); | |
2745 | this_base = get_absolute_expression (); | |
2746 | ||
2747 | /* Only .bf symbols indicate the use of a new base line number; the | |
2748 | line numbers associated with .ef, .bb, .eb are relative to the | |
2749 | start of the containing function. */ | |
2750 | if (!strcmp (".bf", name)) | |
2751 | { | |
2752 | #if 0 /* XXX Can we ever have line numbers going backwards? */ | |
2753 | if (this_base > line_base) | |
2754 | #endif | |
f8e42b8c | 2755 | line_base = this_base; |
252b5132 RH |
2756 | |
2757 | #ifndef NO_LISTING | |
2758 | { | |
2759 | extern int listing; | |
2760 | if (listing) | |
f8e42b8c | 2761 | listing_source_line ((unsigned int) line_base); |
252b5132 RH |
2762 | } |
2763 | #endif | |
2764 | } | |
2765 | ||
2766 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2767 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2768 | ||
2769 | demand_empty_rest_of_line (); | |
2770 | } | |
2771 | ||
2772 | static void | |
2773 | obj_coff_size (ignore) | |
a04b544b | 2774 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2775 | { |
2776 | if (def_symbol_in_progress == NULL) | |
2777 | { | |
2778 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
2779 | demand_empty_rest_of_line (); | |
2780 | return; | |
f8e42b8c | 2781 | } |
252b5132 RH |
2782 | |
2783 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2784 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2785 | demand_empty_rest_of_line (); | |
2786 | } | |
2787 | ||
2788 | static void | |
2789 | obj_coff_scl (ignore) | |
a04b544b | 2790 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2791 | { |
2792 | if (def_symbol_in_progress == NULL) | |
2793 | { | |
2794 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
2795 | demand_empty_rest_of_line (); | |
2796 | return; | |
f8e42b8c | 2797 | } |
252b5132 RH |
2798 | |
2799 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2800 | demand_empty_rest_of_line (); | |
2801 | } | |
2802 | ||
2803 | static void | |
2804 | obj_coff_tag (ignore) | |
a04b544b | 2805 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2806 | { |
2807 | char *symbol_name; | |
2808 | char name_end; | |
2809 | ||
2810 | if (def_symbol_in_progress == NULL) | |
2811 | { | |
2812 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
2813 | demand_empty_rest_of_line (); | |
2814 | return; | |
2815 | } | |
2816 | ||
2817 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2818 | symbol_name = input_line_pointer; | |
2819 | name_end = get_symbol_end (); | |
2820 | #ifdef tc_canonicalize_symbol_name | |
2821 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2822 | #endif | |
2823 | ||
2824 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 2825 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
2826 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
2827 | (long) tag_find_or_make (symbol_name)); | |
2828 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
f8e42b8c | 2829 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
2830 | |
2831 | SF_SET_TAGGED (def_symbol_in_progress); | |
2832 | *input_line_pointer = name_end; | |
2833 | ||
2834 | demand_empty_rest_of_line (); | |
2835 | } | |
2836 | ||
2837 | static void | |
2838 | obj_coff_type (ignore) | |
a04b544b | 2839 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2840 | { |
2841 | if (def_symbol_in_progress == NULL) | |
2842 | { | |
2843 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
2844 | demand_empty_rest_of_line (); | |
2845 | return; | |
f8e42b8c | 2846 | } |
252b5132 RH |
2847 | |
2848 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2849 | ||
2850 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2851 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
f8e42b8c | 2852 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
2853 | |
2854 | demand_empty_rest_of_line (); | |
2855 | } | |
2856 | ||
2857 | static void | |
2858 | obj_coff_val (ignore) | |
a04b544b | 2859 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2860 | { |
2861 | if (def_symbol_in_progress == NULL) | |
2862 | { | |
2863 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
2864 | demand_empty_rest_of_line (); | |
2865 | return; | |
f8e42b8c | 2866 | } |
252b5132 RH |
2867 | |
2868 | if (is_name_beginner (*input_line_pointer)) | |
2869 | { | |
2870 | char *symbol_name = input_line_pointer; | |
2871 | char name_end = get_symbol_end (); | |
2872 | ||
2873 | #ifdef tc_canonicalize_symbol_name | |
2874 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2875 | #endif | |
2876 | ||
2877 | if (!strcmp (symbol_name, ".")) | |
2878 | { | |
2879 | def_symbol_in_progress->sy_frag = frag_now; | |
2880 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
f8e42b8c | 2881 | /* If the .val is != from the .def (e.g. statics). */ |
252b5132 RH |
2882 | } |
2883 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
2884 | { | |
2885 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2886 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2887 | symbol_find_or_make (symbol_name); | |
2888 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2889 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2890 | ||
2891 | /* If the segment is undefined when the forward reference is | |
2892 | resolved, then copy the segment id from the forward | |
2893 | symbol. */ | |
2894 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2895 | ||
0561a208 ILT |
2896 | /* FIXME: gcc can generate address expressions here in |
2897 | unusual cases (search for "obscure" in sdbout.c). We | |
2898 | just ignore the offset here, thus generating incorrect | |
2899 | debugging information. We ignore the rest of the line | |
2900 | just below. */ | |
252b5132 RH |
2901 | } |
2902 | /* Otherwise, it is the name of a non debug symbol and | |
dcd619be | 2903 | its value will be calculated later. */ |
252b5132 RH |
2904 | *input_line_pointer = name_end; |
2905 | ||
2906 | /* FIXME: this is to avoid an error message in the | |
2907 | FIXME case mentioned just above. */ | |
2908 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2909 | ++input_line_pointer; | |
2910 | } | |
2911 | else | |
2912 | { | |
2913 | S_SET_VALUE (def_symbol_in_progress, | |
2914 | (valueT) get_absolute_expression ()); | |
2915 | } /* if symbol based */ | |
2916 | ||
2917 | demand_empty_rest_of_line (); | |
2918 | } | |
2919 | ||
2920 | #ifdef TE_PE | |
2921 | ||
2922 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
2923 | read.c, which then calls this object file format specific routine. */ | |
2924 | ||
2925 | void | |
2926 | obj_coff_pe_handle_link_once (type) | |
2927 | enum linkonce_type type; | |
2928 | { | |
2929 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
2930 | ||
2931 | /* We store the type in the seg_info structure, and use it to set up | |
2932 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
2933 | seg_info (now_seg)->linkonce = type; | |
2934 | } | |
2935 | ||
2936 | #endif /* TE_PE */ | |
2937 | ||
2938 | void | |
2939 | coff_obj_read_begin_hook () | |
2940 | { | |
dcd619be | 2941 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
2942 | #ifndef BFD_HEADERS |
2943 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2944 | know (SYMESZ == AUXESZ); | |
2945 | #endif | |
2946 | tag_init (); | |
2947 | } | |
2948 | ||
2949 | /* This function runs through the symbol table and puts all the | |
f8e42b8c | 2950 | externals onto another chain. */ |
252b5132 RH |
2951 | |
2952 | /* The chain of globals. */ | |
2953 | symbolS *symbol_globalP; | |
2954 | symbolS *symbol_global_lastP; | |
2955 | ||
f8e42b8c | 2956 | /* The chain of externals. */ |
252b5132 RH |
2957 | symbolS *symbol_externP; |
2958 | symbolS *symbol_extern_lastP; | |
2959 | ||
2960 | stack *block_stack; | |
2961 | symbolS *last_functionP; | |
2962 | static symbolS *last_bfP; | |
2963 | symbolS *last_tagP; | |
2964 | ||
2965 | static unsigned int | |
2966 | yank_symbols () | |
2967 | { | |
2968 | symbolS *symbolP; | |
2969 | unsigned int symbol_number = 0; | |
2970 | unsigned int last_file_symno = 0; | |
2971 | ||
2972 | struct filename_list *filename_list_scan = filename_list_head; | |
2973 | ||
2974 | for (symbolP = symbol_rootP; | |
2975 | symbolP; | |
2976 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2977 | { | |
2978 | if (symbolP->sy_mri_common) | |
2979 | { | |
2980 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
2981 | #ifdef TE_PE | |
2982 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
2983 | #endif | |
2984 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT) | |
2985 | as_bad (_("%s: global symbols not supported in common sections"), | |
2986 | S_GET_NAME (symbolP)); | |
2987 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2988 | continue; | |
2989 | } | |
2990 | ||
2991 | if (!SF_GET_DEBUG (symbolP)) | |
2992 | { | |
f8e42b8c | 2993 | /* Debug symbols do not need all this rubbish. */ |
252b5132 RH |
2994 | symbolS *real_symbolP; |
2995 | ||
dcd619be | 2996 | /* L* and C_EFCN symbols never merge. */ |
252b5132 RH |
2997 | if (!SF_GET_LOCAL (symbolP) |
2998 | && !SF_GET_STATICS (symbolP) | |
2999 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL | |
3000 | && symbolP->sy_value.X_op == O_constant | |
3001 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
3002 | && real_symbolP != symbolP) | |
3003 | { | |
3004 | /* FIXME-SOON: where do dups come from? | |
dcd619be | 3005 | Maybe tag references before definitions? xoxorich. */ |
252b5132 | 3006 | /* Move the debug data from the debug symbol to the |
aaa2624b | 3007 | real symbol. Do NOT do the opposite (i.e. move from |
252b5132 RH |
3008 | real symbol to debug symbol and remove real symbol from the |
3009 | list.) Because some pointers refer to the real symbol | |
dcd619be | 3010 | whereas no pointers refer to the debug symbol. */ |
252b5132 | 3011 | c_symbol_merge (symbolP, real_symbolP); |
f8e42b8c | 3012 | /* Replace the current symbol by the real one. */ |
252b5132 RH |
3013 | /* The symbols will never be the last or the first |
3014 | because : 1st symbol is .file and 3 last symbols are | |
f8e42b8c | 3015 | .text, .data, .bss. */ |
252b5132 RH |
3016 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); |
3017 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
3018 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3019 | symbolP = real_symbolP; | |
f8e42b8c | 3020 | } |
252b5132 RH |
3021 | |
3022 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) | |
f8e42b8c | 3023 | S_SET_SEGMENT (symbolP, SEG_E0); |
252b5132 | 3024 | |
6386f3a7 | 3025 | resolve_symbol_value (symbolP); |
252b5132 RH |
3026 | |
3027 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
3028 | { | |
3029 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
3030 | { | |
3031 | S_SET_EXTERNAL (symbolP); | |
3032 | } | |
f8e42b8c | 3033 | |
252b5132 | 3034 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) |
f8e42b8c NC |
3035 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); |
3036 | ||
252b5132 | 3037 | else |
f8e42b8c | 3038 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
252b5132 RH |
3039 | } |
3040 | ||
f8e42b8c | 3041 | /* Mainly to speed up if not -g. */ |
252b5132 RH |
3042 | if (SF_GET_PROCESS (symbolP)) |
3043 | { | |
dcd619be | 3044 | /* Handle the nested blocks auxiliary info. */ |
252b5132 RH |
3045 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) |
3046 | { | |
3047 | if (!strcmp (S_GET_NAME (symbolP), ".bb")) | |
3048 | stack_push (block_stack, (char *) &symbolP); | |
3049 | else | |
f8e42b8c NC |
3050 | { |
3051 | /* .eb */ | |
3052 | symbolS *begin_symbolP; | |
3053 | ||
252b5132 RH |
3054 | begin_symbolP = *(symbolS **) stack_pop (block_stack); |
3055 | if (begin_symbolP == (symbolS *) 0) | |
3056 | as_warn (_("mismatched .eb")); | |
3057 | else | |
3058 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
3059 | } | |
3060 | } | |
3061 | /* If we are able to identify the type of a function, and we | |
3062 | are out of a function (last_functionP == 0) then, the | |
3063 | function symbol will be associated with an auxiliary | |
dcd619be | 3064 | entry. */ |
252b5132 RH |
3065 | if (last_functionP == (symbolS *) 0 && |
3066 | SF_GET_FUNCTION (symbolP)) | |
3067 | { | |
3068 | last_functionP = symbolP; | |
3069 | ||
3070 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
f8e42b8c | 3071 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
252b5132 | 3072 | |
dcd619be | 3073 | /* Clobber possible stale .dim information. */ |
252b5132 | 3074 | #if 0 |
f8e42b8c | 3075 | /* Iffed out by steve - this fries the lnnoptr info too. */ |
252b5132 RH |
3076 | bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen, |
3077 | sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen)); | |
3078 | #endif | |
3079 | } | |
3080 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) | |
3081 | { | |
3082 | if (strcmp (S_GET_NAME (symbolP), ".bf") == 0) | |
3083 | { | |
3084 | if (last_bfP != NULL) | |
3085 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
3086 | last_bfP = symbolP; | |
3087 | } | |
3088 | } | |
3089 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
3090 | { | |
3091 | /* I don't even know if this is needed for sdb. But | |
3092 | the standard assembler generates it, so... */ | |
3093 | if (last_functionP == (symbolS *) 0) | |
3094 | as_fatal (_("C_EFCN symbol out of scope")); | |
3095 | SA_SET_SYM_FSIZE (last_functionP, | |
3096 | (long) (S_GET_VALUE (symbolP) - | |
3097 | S_GET_VALUE (last_functionP))); | |
3098 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
3099 | last_functionP = (symbolS *) 0; | |
3100 | } | |
3101 | } | |
3102 | } | |
3103 | else if (SF_GET_TAG (symbolP)) | |
3104 | { | |
3105 | /* First descriptor of a structure must point to | |
f8e42b8c | 3106 | the first slot after the structure description. */ |
252b5132 RH |
3107 | last_tagP = symbolP; |
3108 | ||
3109 | } | |
3110 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) | |
3111 | { | |
f8e42b8c | 3112 | /* +2 take in account the current symbol. */ |
252b5132 RH |
3113 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); |
3114 | } | |
3115 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) | |
3116 | { | |
3117 | /* If the filename was too long to fit in the | |
f8e42b8c | 3118 | auxent, put it in the string table. */ |
252b5132 RH |
3119 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
3120 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3121 | { | |
3122 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
3123 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
3124 | filename_list_scan = filename_list_scan->next; | |
3125 | } | |
3126 | if (S_GET_VALUE (symbolP)) | |
3127 | { | |
3128 | S_SET_VALUE (symbolP, last_file_symno); | |
3129 | last_file_symno = symbol_number; | |
f8e42b8c NC |
3130 | } |
3131 | } | |
252b5132 RH |
3132 | |
3133 | #ifdef tc_frob_coff_symbol | |
3134 | tc_frob_coff_symbol (symbolP); | |
3135 | #endif | |
3136 | ||
3137 | /* We must put the external symbols apart. The loader | |
3138 | does not bomb if we do not. But the references in | |
3139 | the endndx field for a .bb symbol are not corrected | |
3140 | if an external symbol is removed between .bb and .be. | |
3141 | I.e in the following case : | |
3142 | [20] .bb endndx = 22 | |
3143 | [21] foo external | |
3144 | [22] .be | |
3145 | ld will move the symbol 21 to the end of the list but | |
dcd619be | 3146 | endndx will still be 22 instead of 21. */ |
252b5132 RH |
3147 | |
3148 | if (SF_GET_LOCAL (symbolP)) | |
3149 | { | |
f8e42b8c NC |
3150 | /* Remove C_EFCN and LOCAL (L...) symbols. */ |
3151 | /* Next pointer remains valid. */ | |
252b5132 RH |
3152 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3153 | ||
3154 | } | |
3155 | else if (symbolP->sy_value.X_op == O_symbol | |
3156 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
3157 | { | |
3158 | /* Skip symbols which were equated to undefined or common | |
3159 | symbols. */ | |
3160 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3161 | } | |
3162 | else if (!S_IS_DEFINED (symbolP) | |
3163 | && !S_IS_DEBUG (symbolP) | |
3164 | && !SF_GET_STATICS (symbolP) | |
3165 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3166 | #ifdef TE_PE | |
3167 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3168 | #endif | |
3169 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)) | |
3170 | { | |
f8e42b8c | 3171 | /* If external, Remove from the list. */ |
252b5132 RH |
3172 | symbolS *hold = symbol_previous (symbolP); |
3173 | ||
3174 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3175 | symbol_clear_list_pointers (symbolP); | |
3176 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
3177 | symbolP = hold; | |
3178 | } | |
3179 | else if (! S_IS_DEBUG (symbolP) | |
3180 | && ! SF_GET_STATICS (symbolP) | |
3181 | && ! SF_GET_FUNCTION (symbolP) | |
3182 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3183 | #ifdef TE_PE | |
3184 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3185 | #endif | |
3186 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK)) | |
3187 | { | |
3188 | symbolS *hold = symbol_previous (symbolP); | |
3189 | ||
3190 | /* The O'Reilly COFF book says that defined global symbols | |
3191 | come at the end of the symbol table, just before | |
3192 | undefined global symbols. */ | |
252b5132 RH |
3193 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3194 | symbol_clear_list_pointers (symbolP); | |
3195 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
3196 | &symbol_global_lastP); | |
3197 | symbolP = hold; | |
3198 | } | |
3199 | else | |
3200 | { | |
3201 | if (SF_GET_STRING (symbolP)) | |
3202 | { | |
3203 | symbolP->sy_name_offset = string_byte_count; | |
3204 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
3205 | } | |
3206 | else | |
3207 | { | |
3208 | symbolP->sy_name_offset = 0; | |
f8e42b8c | 3209 | } |
252b5132 RH |
3210 | |
3211 | symbolP->sy_number = symbol_number; | |
3212 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
f8e42b8c NC |
3213 | } |
3214 | } | |
252b5132 | 3215 | |
f8e42b8c | 3216 | return symbol_number; |
252b5132 RH |
3217 | } |
3218 | ||
252b5132 RH |
3219 | static unsigned int |
3220 | glue_symbols (head, tail) | |
3221 | symbolS **head; | |
3222 | symbolS **tail; | |
3223 | { | |
3224 | unsigned int symbol_number = 0; | |
3225 | ||
3226 | while (*head != NULL) | |
3227 | { | |
3228 | symbolS *tmp = *head; | |
3229 | ||
f8e42b8c | 3230 | /* Append. */ |
252b5132 RH |
3231 | symbol_remove (tmp, head, tail); |
3232 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
3233 | ||
f8e42b8c | 3234 | /* Process. */ |
252b5132 RH |
3235 | if (SF_GET_STRING (tmp)) |
3236 | { | |
3237 | tmp->sy_name_offset = string_byte_count; | |
3238 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
3239 | } | |
3240 | else | |
3241 | { | |
f8e42b8c | 3242 | /* Fix "long" names. */ |
252b5132 | 3243 | tmp->sy_name_offset = 0; |
f8e42b8c | 3244 | } |
252b5132 RH |
3245 | |
3246 | tmp->sy_number = symbol_number; | |
3247 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
f8e42b8c | 3248 | } |
252b5132 RH |
3249 | |
3250 | return symbol_number; | |
3251 | } | |
3252 | ||
3253 | static unsigned int | |
3254 | tie_tags () | |
3255 | { | |
3256 | unsigned int symbol_number = 0; | |
3257 | symbolS *symbolP; | |
3258 | ||
3259 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3260 | { | |
3261 | symbolP->sy_number = symbol_number; | |
3262 | ||
3263 | if (SF_GET_TAGGED (symbolP)) | |
3264 | { | |
3265 | SA_SET_SYM_TAGNDX | |
3266 | (symbolP, | |
3267 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
3268 | } | |
3269 | ||
3270 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
3271 | } | |
3272 | ||
3273 | return symbol_number; | |
3274 | } | |
3275 | ||
f8e42b8c | 3276 | |
252b5132 RH |
3277 | static void |
3278 | crawl_symbols (h, abfd) | |
3279 | object_headers *h; | |
a04b544b | 3280 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
3281 | { |
3282 | unsigned int i; | |
3283 | ||
f8e42b8c | 3284 | /* Initialize the stack used to keep track of the matching .bb .be. */ |
252b5132 RH |
3285 | |
3286 | block_stack = stack_init (512, sizeof (symbolS *)); | |
3287 | ||
3288 | /* The symbol list should be ordered according to the following sequence | |
f8e42b8c NC |
3289 | order : |
3290 | . .file symbol | |
3291 | . debug entries for functions | |
3292 | . fake symbols for the sections, including .text .data and .bss | |
3293 | . defined symbols | |
3294 | . undefined symbols | |
3295 | But this is not mandatory. The only important point is to put the | |
3296 | undefined symbols at the end of the list. */ | |
252b5132 | 3297 | |
dcd619be | 3298 | /* Is there a .file symbol ? If not insert one at the beginning. */ |
252b5132 RH |
3299 | if (symbol_rootP == NULL |
3300 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
f8e42b8c | 3301 | c_dot_file_symbol ("fake"); |
252b5132 | 3302 | |
f8e42b8c | 3303 | /* Build up static symbols for the sections, they are filled in later. */ |
252b5132 | 3304 | |
252b5132 RH |
3305 | for (i = SEG_E0; i < SEG_LAST; i++) |
3306 | if (segment_info[i].scnhdr.s_name[0]) | |
f8e42b8c | 3307 | segment_info[i].dot = c_section_symbol ((char *) segment_info[i].name, |
252b5132 RH |
3308 | i - SEG_E0 + 1); |
3309 | ||
f8e42b8c | 3310 | /* Take all the externals out and put them into another chain. */ |
252b5132 | 3311 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); |
f8e42b8c | 3312 | /* Take the externals and glue them onto the end. */ |
252b5132 RH |
3313 | H_SET_SYMBOL_TABLE_SIZE (h, |
3314 | (H_GET_SYMBOL_COUNT (h) | |
3315 | + glue_symbols (&symbol_globalP, | |
3316 | &symbol_global_lastP) | |
3317 | + glue_symbols (&symbol_externP, | |
3318 | &symbol_extern_lastP))); | |
3319 | ||
3320 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
3321 | know (symbol_globalP == NULL); | |
3322 | know (symbol_global_lastP == NULL); | |
3323 | know (symbol_externP == NULL); | |
3324 | know (symbol_extern_lastP == NULL); | |
3325 | } | |
3326 | ||
f8e42b8c | 3327 | /* Find strings by crawling along symbol table chain. */ |
252b5132 RH |
3328 | |
3329 | void | |
3330 | w_strings (where) | |
3331 | char *where; | |
3332 | { | |
3333 | symbolS *symbolP; | |
3334 | struct filename_list *filename_list_scan = filename_list_head; | |
3335 | ||
f8e42b8c | 3336 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK. */ |
252b5132 RH |
3337 | md_number_to_chars (where, (valueT) string_byte_count, 4); |
3338 | where += 4; | |
3339 | ||
3340 | #ifdef COFF_LONG_SECTION_NAMES | |
3341 | /* Support long section names as found in PE. This code must | |
3342 | coordinate with that in coff_header_append and write_object_file. */ | |
3343 | { | |
3344 | unsigned int i; | |
3345 | ||
3346 | for (i = SEG_E0; i < SEG_LAST; i++) | |
3347 | { | |
3348 | if (segment_info[i].scnhdr.s_name[0] | |
3349 | && strlen (segment_info[i].name) > SCNNMLEN) | |
3350 | { | |
3351 | unsigned int size; | |
3352 | ||
3353 | size = strlen (segment_info[i].name) + 1; | |
3354 | memcpy (where, segment_info[i].name, size); | |
3355 | where += size; | |
3356 | } | |
3357 | } | |
3358 | } | |
3359 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3360 | ||
3361 | for (symbolP = symbol_rootP; | |
3362 | symbolP; | |
3363 | symbolP = symbol_next (symbolP)) | |
3364 | { | |
3365 | unsigned int size; | |
3366 | ||
3367 | if (SF_GET_STRING (symbolP)) | |
3368 | { | |
3369 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
3370 | memcpy (where, S_GET_NAME (symbolP), size); | |
3371 | where += size; | |
3372 | } | |
3373 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
3374 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 | |
3375 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3376 | { | |
3377 | size = strlen (filename_list_scan->filename) + 1; | |
3378 | memcpy (where, filename_list_scan->filename, size); | |
3379 | filename_list_scan = filename_list_scan ->next; | |
3380 | where += size; | |
3381 | } | |
3382 | } | |
3383 | } | |
3384 | ||
3385 | static void | |
3386 | do_linenos_for (abfd, h, file_cursor) | |
3387 | bfd * abfd; | |
3388 | object_headers * h; | |
3389 | unsigned long *file_cursor; | |
3390 | { | |
3391 | unsigned int idx; | |
3392 | unsigned long start = *file_cursor; | |
3393 | ||
3394 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
3395 | { | |
3396 | segment_info_type *s = segment_info + idx; | |
3397 | ||
252b5132 RH |
3398 | if (s->scnhdr.s_nlnno != 0) |
3399 | { | |
3400 | struct lineno_list *line_ptr; | |
3401 | ||
3402 | struct external_lineno *buffer = | |
3403 | (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); | |
3404 | ||
3405 | struct external_lineno *dst = buffer; | |
3406 | ||
3407 | /* Run through the table we've built and turn it into its external | |
f8e42b8c | 3408 | form, take this chance to remove duplicates. */ |
252b5132 RH |
3409 | |
3410 | for (line_ptr = s->lineno_list_head; | |
3411 | line_ptr != (struct lineno_list *) NULL; | |
3412 | line_ptr = line_ptr->next) | |
3413 | { | |
252b5132 RH |
3414 | if (line_ptr->line.l_lnno == 0) |
3415 | { | |
ea3b9044 NC |
3416 | /* Turn a pointer to a symbol into the symbols' index, |
3417 | provided that it has been initialised. */ | |
3418 | if (line_ptr->line.l_addr.l_symndx) | |
3419 | line_ptr->line.l_addr.l_symndx = | |
3420 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
252b5132 RH |
3421 | } |
3422 | else | |
f8e42b8c | 3423 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; |
252b5132 | 3424 | |
252b5132 RH |
3425 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); |
3426 | dst++; | |
252b5132 RH |
3427 | } |
3428 | ||
3429 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3430 | ||
0e1a166b | 3431 | bfd_bwrite (buffer, (bfd_size_type) s->scnhdr.s_nlnno * LINESZ, abfd); |
252b5132 RH |
3432 | free (buffer); |
3433 | ||
3434 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3435 | } | |
3436 | } | |
f8e42b8c | 3437 | |
252b5132 RH |
3438 | H_SET_LINENO_SIZE (h, *file_cursor - start); |
3439 | } | |
3440 | ||
252b5132 RH |
3441 | /* Now we run through the list of frag chains in a segment and |
3442 | make all the subsegment frags appear at the end of the | |
f8e42b8c | 3443 | list, as if the seg 0 was extra long. */ |
252b5132 RH |
3444 | |
3445 | static void | |
3446 | remove_subsegs () | |
3447 | { | |
3448 | unsigned int i; | |
3449 | ||
3450 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3451 | { | |
3452 | frchainS *head = segment_info[i].frchainP; | |
3453 | fragS dummy; | |
3454 | fragS *prev_frag = &dummy; | |
3455 | ||
3456 | while (head && head->frch_seg == i) | |
3457 | { | |
3458 | prev_frag->fr_next = head->frch_root; | |
3459 | prev_frag = head->frch_last; | |
3460 | head = head->frch_next; | |
3461 | } | |
3462 | prev_frag->fr_next = 0; | |
3463 | } | |
3464 | } | |
3465 | ||
3466 | unsigned long machine; | |
3467 | int coff_flags; | |
f8e42b8c | 3468 | |
18e1d487 AM |
3469 | #ifndef SUB_SEGMENT_ALIGN |
3470 | #ifdef HANDLE_ALIGN | |
aaa2624b | 3471 | /* The last subsegment gets an alignment corresponding to the alignment |
18e1d487 AM |
3472 | of the section. This allows proper nop-filling at the end of |
3473 | code-bearing sections. */ | |
3474 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ | |
3475 | (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \ | |
3476 | ? get_recorded_alignment (SEG) : 0) | |
3477 | #else | |
3478 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 1 | |
3479 | #endif | |
3480 | #endif | |
3481 | ||
252b5132 RH |
3482 | extern void |
3483 | write_object_file () | |
3484 | { | |
3485 | int i; | |
3486 | const char *name; | |
3487 | struct frchain *frchain_ptr; | |
3488 | ||
3489 | object_headers headers; | |
3490 | unsigned long file_cursor; | |
3491 | bfd *abfd; | |
3492 | unsigned int addr; | |
3493 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
3494 | ||
252b5132 RH |
3495 | if (abfd == 0) |
3496 | { | |
3497 | as_perror (_("FATAL: Can't create %s"), out_file_name); | |
3498 | exit (EXIT_FAILURE); | |
3499 | } | |
3500 | bfd_set_format (abfd, bfd_object); | |
3501 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
3502 | ||
3503 | string_byte_count = 4; | |
3504 | ||
18e1d487 AM |
3505 | /* Run through all the sub-segments and align them up. Also |
3506 | close any open frags. We tack a .fill onto the end of the | |
3507 | frag chain so that any .align's size can be worked by looking | |
3508 | at the next frag. */ | |
252b5132 RH |
3509 | for (frchain_ptr = frchain_root; |
3510 | frchain_ptr != (struct frchain *) NULL; | |
3511 | frchain_ptr = frchain_ptr->frch_next) | |
3512 | { | |
18e1d487 | 3513 | int alignment; |
252b5132 RH |
3514 | |
3515 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); | |
b9e57a38 | 3516 | |
e9732b6d | 3517 | alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr); |
18e1d487 | 3518 | |
252b5132 | 3519 | #ifdef md_do_align |
18e1d487 | 3520 | md_do_align (alignment, (char *) NULL, 0, 0, alignment_done); |
252b5132 | 3521 | #endif |
0a9ef439 | 3522 | if (subseg_text_p (now_seg)) |
18e1d487 | 3523 | frag_align_code (alignment, 0); |
0a9ef439 | 3524 | else |
18e1d487 | 3525 | frag_align (alignment, 0, 0); |
0a9ef439 | 3526 | |
252b5132 RH |
3527 | #ifdef md_do_align |
3528 | alignment_done: | |
3529 | #endif | |
0a9ef439 | 3530 | |
252b5132 RH |
3531 | frag_wane (frag_now); |
3532 | frag_now->fr_fix = 0; | |
3533 | know (frag_now->fr_next == NULL); | |
3534 | } | |
3535 | ||
252b5132 RH |
3536 | remove_subsegs (); |
3537 | ||
252b5132 | 3538 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
f8e42b8c | 3539 | relax_segment (segment_info[i].frchainP->frch_root, i); |
252b5132 | 3540 | |
1cd55018 AM |
3541 | /* Relaxation has completed. Freeze all syms. */ |
3542 | finalize_syms = 1; | |
3543 | ||
252b5132 RH |
3544 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); |
3545 | ||
3546 | /* Find out how big the sections are, and set the addresses. */ | |
3547 | addr = 0; | |
3548 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3549 | { | |
3550 | long size; | |
3551 | ||
3552 | segment_info[i].scnhdr.s_paddr = addr; | |
3553 | segment_info[i].scnhdr.s_vaddr = addr; | |
3554 | ||
3555 | if (segment_info[i].scnhdr.s_name[0]) | |
3556 | { | |
3557 | H_SET_NUMBER_OF_SECTIONS (&headers, | |
3558 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
3559 | ||
3560 | #ifdef COFF_LONG_SECTION_NAMES | |
3561 | /* Support long section names as found in PE. This code | |
3562 | must coordinate with that in coff_header_append and | |
3563 | w_strings. */ | |
3564 | { | |
3565 | unsigned int len; | |
3566 | ||
3567 | len = strlen (segment_info[i].name); | |
3568 | if (len > SCNNMLEN) | |
3569 | string_byte_count += len + 1; | |
3570 | } | |
3571 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3572 | } | |
3573 | ||
3574 | size = size_section (abfd, (unsigned int) i); | |
3575 | addr += size; | |
3576 | ||
3577 | /* I think the section alignment is only used on the i960; the | |
3578 | i960 needs it, and it should do no harm on other targets. */ | |
3579 | #ifdef ALIGNMENT_IN_S_FLAGS | |
3580 | segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8; | |
3581 | #else | |
3582 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; | |
3583 | #endif | |
3584 | ||
3585 | if (i == SEG_E0) | |
3586 | H_SET_TEXT_SIZE (&headers, size); | |
3587 | else if (i == SEG_E1) | |
3588 | H_SET_DATA_SIZE (&headers, size); | |
3589 | else if (i == SEG_E2) | |
3590 | H_SET_BSS_SIZE (&headers, size); | |
3591 | } | |
3592 | ||
f8e42b8c | 3593 | /* Turn the gas native symbol table shape into a coff symbol table. */ |
252b5132 RH |
3594 | crawl_symbols (&headers, abfd); |
3595 | ||
3596 | if (string_byte_count == 4) | |
3597 | string_byte_count = 0; | |
3598 | ||
3599 | H_SET_STRING_SIZE (&headers, string_byte_count); | |
3600 | ||
3601 | #ifdef tc_frob_file | |
3602 | tc_frob_file (); | |
3603 | #endif | |
3604 | ||
3605 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3606 | { | |
3607 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); | |
3608 | fixup_segment (&segment_info[i], i); | |
3609 | } | |
3610 | ||
3611 | /* Look for ".stab" segments and fill in their initial symbols | |
dcd619be | 3612 | correctly. */ |
252b5132 RH |
3613 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
3614 | { | |
3615 | name = segment_info[i].name; | |
3616 | ||
3617 | if (name != NULL | |
3618 | && strncmp (".stab", name, 5) == 0 | |
3619 | && strncmp (".stabstr", name, 8) != 0) | |
3620 | adjust_stab_section (abfd, i); | |
3621 | } | |
3622 | ||
3623 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); | |
3624 | ||
3625 | bfd_seek (abfd, (file_ptr) file_cursor, 0); | |
3626 | ||
f8e42b8c | 3627 | /* Plant the data. */ |
252b5132 RH |
3628 | fill_section (abfd, &headers, &file_cursor); |
3629 | ||
3630 | do_relocs_for (abfd, &headers, &file_cursor); | |
3631 | ||
3632 | do_linenos_for (abfd, &headers, &file_cursor); | |
3633 | ||
3634 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
3635 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
3636 | H_SET_TIME_STAMP (&headers, (long)time((time_t *)0)); | |
3637 | #else | |
3638 | H_SET_TIME_STAMP (&headers, 0); | |
3639 | #endif | |
3640 | #ifdef TC_COFF_SET_MACHINE | |
3641 | TC_COFF_SET_MACHINE (&headers); | |
3642 | #endif | |
3643 | ||
3644 | #ifndef COFF_FLAGS | |
3645 | #define COFF_FLAGS 0 | |
3646 | #endif | |
3647 | ||
3648 | #ifdef KEEP_RELOC_INFO | |
3649 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3650 | COFF_FLAGS | coff_flags)); | |
3651 | #else | |
3652 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3653 | (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | | |
3654 | COFF_FLAGS | coff_flags)); | |
3655 | #endif | |
3656 | ||
3657 | { | |
3658 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
3659 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
3660 | ||
3661 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); | |
3662 | w_symbols (abfd, buffer1, symbol_rootP); | |
3663 | if (string_byte_count > 0) | |
3664 | w_strings (buffer1 + symtable_size); | |
0e1a166b AM |
3665 | bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count, |
3666 | abfd); | |
252b5132 RH |
3667 | free (buffer1); |
3668 | } | |
3669 | ||
3670 | coff_header_append (abfd, &headers); | |
3671 | #if 0 | |
3672 | /* Recent changes to write need this, but where it should | |
dcd619be | 3673 | go is up to Ken.. */ |
b34976b6 | 3674 | if (!bfd_close_all_done (abfd)) |
252b5132 RH |
3675 | as_fatal (_("Can't close %s: %s"), out_file_name, |
3676 | bfd_errmsg (bfd_get_error ())); | |
3677 | #else | |
3678 | { | |
3679 | extern bfd *stdoutput; | |
3680 | stdoutput = abfd; | |
3681 | } | |
3682 | #endif | |
3683 | ||
3684 | } | |
3685 | ||
3686 | /* Add a new segment. This is called from subseg_new via the | |
3687 | obj_new_segment macro. */ | |
3688 | ||
3689 | segT | |
3690 | obj_coff_add_segment (name) | |
3691 | const char *name; | |
3692 | { | |
3693 | unsigned int i; | |
3694 | ||
3695 | #ifndef COFF_LONG_SECTION_NAMES | |
3696 | char buf[SCNNMLEN + 1]; | |
3697 | ||
3698 | strncpy (buf, name, SCNNMLEN); | |
3699 | buf[SCNNMLEN] = '\0'; | |
3700 | name = buf; | |
3701 | #endif | |
3702 | ||
3703 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) | |
3704 | if (strcmp (name, segment_info[i].name) == 0) | |
3705 | return (segT) i; | |
3706 | ||
3707 | if (i == SEG_LAST) | |
3708 | { | |
3709 | as_bad (_("Too many new sections; can't add \"%s\""), name); | |
3710 | return now_seg; | |
3711 | } | |
3712 | ||
3713 | /* Add a new section. */ | |
3714 | strncpy (segment_info[i].scnhdr.s_name, name, | |
3715 | sizeof (segment_info[i].scnhdr.s_name)); | |
3716 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
3717 | segment_info[i].name = xstrdup (name); | |
3718 | ||
3719 | return (segT) i; | |
3720 | } | |
3721 | ||
f8e42b8c NC |
3722 | /* Implement the .section pseudo op: |
3723 | .section name {, "flags"} | |
3724 | ^ ^ | |
3725 | | +--- optional flags: 'b' for bss | |
3726 | | 'i' for info | |
3727 | +-- section name 'l' for lib | |
3728 | 'n' for noload | |
3729 | 'o' for over | |
3730 | 'w' for data | |
3731 | 'd' (apparently m88k for data) | |
3732 | 'x' for text | |
3733 | 'r' for read-only data | |
3734 | But if the argument is not a quoted string, treat it as a | |
3735 | subsegment number. */ | |
252b5132 RH |
3736 | |
3737 | void | |
3738 | obj_coff_section (ignore) | |
a04b544b | 3739 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 3740 | { |
f8e42b8c | 3741 | /* Strip out the section name. */ |
252b5132 RH |
3742 | char *section_name, *name; |
3743 | char c; | |
3744 | unsigned int exp; | |
3745 | long flags; | |
3746 | ||
3747 | if (flag_mri) | |
3748 | { | |
3749 | char type; | |
3750 | ||
3751 | s_mri_sect (&type); | |
3752 | flags = 0; | |
3753 | if (type == 'C') | |
3754 | flags = STYP_TEXT; | |
3755 | else if (type == 'D') | |
3756 | flags = STYP_DATA; | |
3757 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3758 | ||
3759 | return; | |
3760 | } | |
3761 | ||
3762 | section_name = input_line_pointer; | |
3763 | c = get_symbol_end (); | |
3764 | ||
3765 | name = xmalloc (input_line_pointer - section_name + 1); | |
3766 | strcpy (name, section_name); | |
3767 | ||
3768 | *input_line_pointer = c; | |
3769 | ||
3770 | exp = 0; | |
3771 | flags = 0; | |
3772 | ||
3773 | SKIP_WHITESPACE (); | |
3774 | if (*input_line_pointer == ',') | |
3775 | { | |
3776 | ++input_line_pointer; | |
3777 | SKIP_WHITESPACE (); | |
3778 | ||
3779 | if (*input_line_pointer != '"') | |
3780 | exp = get_absolute_expression (); | |
3781 | else | |
3782 | { | |
3783 | ++input_line_pointer; | |
3784 | while (*input_line_pointer != '"' | |
3785 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3786 | { | |
3787 | switch (*input_line_pointer) | |
3788 | { | |
3789 | case 'b': flags |= STYP_BSS; break; | |
3790 | case 'i': flags |= STYP_INFO; break; | |
3791 | case 'l': flags |= STYP_LIB; break; | |
3792 | case 'n': flags |= STYP_NOLOAD; break; | |
3793 | case 'o': flags |= STYP_OVER; break; | |
3794 | case 'd': | |
3795 | case 'w': flags |= STYP_DATA; break; | |
3796 | case 'x': flags |= STYP_TEXT; break; | |
3797 | case 'r': flags |= STYP_LIT; break; | |
3798 | default: | |
3799 | as_warn(_("unknown section attribute '%c'"), | |
3800 | *input_line_pointer); | |
3801 | break; | |
3802 | } | |
3803 | ++input_line_pointer; | |
3804 | } | |
3805 | if (*input_line_pointer == '"') | |
3806 | ++input_line_pointer; | |
3807 | } | |
3808 | } | |
3809 | ||
3810 | subseg_new (name, (subsegT) exp); | |
3811 | ||
3812 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3813 | ||
3814 | demand_empty_rest_of_line (); | |
3815 | } | |
3816 | ||
252b5132 RH |
3817 | static void |
3818 | obj_coff_text (ignore) | |
a04b544b | 3819 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3820 | { |
3821 | subseg_new (".text", get_absolute_expression ()); | |
3822 | } | |
3823 | ||
252b5132 RH |
3824 | static void |
3825 | obj_coff_data (ignore) | |
a04b544b | 3826 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3827 | { |
3828 | if (flag_readonly_data_in_text) | |
3829 | subseg_new (".text", get_absolute_expression () + 1000); | |
3830 | else | |
3831 | subseg_new (".data", get_absolute_expression ()); | |
3832 | } | |
3833 | ||
3834 | static void | |
3835 | obj_coff_ident (ignore) | |
a04b544b | 3836 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 3837 | { |
f8e42b8c | 3838 | segT current_seg = now_seg; /* Save current seg. */ |
252b5132 | 3839 | subsegT current_subseg = now_subseg; |
f8e42b8c NC |
3840 | |
3841 | subseg_new (".comment", 0); /* .comment seg. */ | |
3842 | stringer (1); /* Read string. */ | |
3843 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ | |
252b5132 RH |
3844 | } |
3845 | ||
3846 | void | |
3847 | c_symbol_merge (debug, normal) | |
3848 | symbolS *debug; | |
3849 | symbolS *normal; | |
3850 | { | |
3851 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
3852 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
3853 | ||
3854 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
f8e42b8c | 3855 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); |
252b5132 RH |
3856 | |
3857 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
f8e42b8c NC |
3858 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], |
3859 | (char *) &debug->sy_symbol.ost_auxent[0], | |
3860 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
252b5132 | 3861 | |
dcd619be | 3862 | /* Move the debug flags. */ |
252b5132 | 3863 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
f8e42b8c | 3864 | } |
252b5132 RH |
3865 | |
3866 | static int | |
3867 | c_line_new (symbol, paddr, line_number, frag) | |
3868 | symbolS * symbol; | |
3869 | long paddr; | |
3870 | int line_number; | |
3871 | fragS * frag; | |
3872 | { | |
3873 | struct lineno_list *new_line = | |
3874 | (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); | |
3875 | ||
3876 | segment_info_type *s = segment_info + now_seg; | |
3877 | new_line->line.l_lnno = line_number; | |
3878 | ||
3879 | if (line_number == 0) | |
3880 | { | |
3881 | last_line_symbol = symbol; | |
3882 | new_line->line.l_addr.l_symndx = (long) symbol; | |
3883 | } | |
3884 | else | |
3885 | { | |
3886 | new_line->line.l_addr.l_paddr = paddr; | |
3887 | } | |
3888 | ||
3889 | new_line->frag = (char *) frag; | |
3890 | new_line->next = (struct lineno_list *) NULL; | |
3891 | ||
252b5132 | 3892 | if (s->lineno_list_head == (struct lineno_list *) NULL) |
f8e42b8c | 3893 | s->lineno_list_head = new_line; |
252b5132 | 3894 | else |
f8e42b8c NC |
3895 | s->lineno_list_tail->next = new_line; |
3896 | ||
252b5132 RH |
3897 | s->lineno_list_tail = new_line; |
3898 | return LINESZ * s->scnhdr.s_nlnno++; | |
3899 | } | |
3900 | ||
3901 | void | |
3902 | c_dot_file_symbol (filename) | |
3903 | char *filename; | |
3904 | { | |
3905 | symbolS *symbolP; | |
3906 | ||
3907 | symbolP = symbol_new (".file", | |
3908 | SEG_DEBUG, | |
3909 | 0, | |
3910 | &zero_address_frag); | |
3911 | ||
3912 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
3913 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3914 | ||
3915 | if (strlen (filename) > FILNMLEN) | |
3916 | { | |
3917 | /* Filename is too long to fit into an auxent, | |
3918 | we stick it into the string table instead. We keep | |
3919 | a linked list of the filenames we find so we can emit | |
f8e42b8c | 3920 | them later. */ |
252b5132 RH |
3921 | struct filename_list *f = ((struct filename_list *) |
3922 | xmalloc (sizeof (struct filename_list))); | |
3923 | ||
3924 | f->filename = filename; | |
3925 | f->next = 0; | |
3926 | ||
3927 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
3928 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); | |
3929 | ||
dcd619be | 3930 | if (filename_list_tail) |
252b5132 RH |
3931 | filename_list_tail->next = f; |
3932 | else | |
3933 | filename_list_head = f; | |
dcd619be | 3934 | filename_list_tail = f; |
252b5132 | 3935 | } |
dcd619be | 3936 | else |
252b5132 RH |
3937 | { |
3938 | SA_SET_FILE_FNAME (symbolP, filename); | |
3939 | } | |
3940 | #ifndef NO_LISTING | |
3941 | { | |
3942 | extern int listing; | |
3943 | if (listing) | |
f8e42b8c | 3944 | listing_source_file (filename); |
252b5132 | 3945 | } |
252b5132 RH |
3946 | #endif |
3947 | SF_SET_DEBUG (symbolP); | |
3948 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
3949 | ||
3950 | previous_file_symbol = symbolP; | |
3951 | ||
f8e42b8c | 3952 | /* Make sure that the symbol is first on the symbol chain. */ |
252b5132 RH |
3953 | if (symbol_rootP != symbolP) |
3954 | { | |
3955 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3956 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
3957 | } | |
f8e42b8c | 3958 | } |
252b5132 | 3959 | |
f8e42b8c | 3960 | /* Build a 'section static' symbol. */ |
252b5132 RH |
3961 | |
3962 | symbolS * | |
3963 | c_section_symbol (name, idx) | |
3964 | char *name; | |
3965 | int idx; | |
3966 | { | |
3967 | symbolS *symbolP; | |
3968 | ||
3969 | symbolP = symbol_find_base (name, DO_NOT_STRIP); | |
3970 | if (symbolP == NULL) | |
3971 | symbolP = symbol_new (name, idx, 0, &zero_address_frag); | |
3972 | else | |
3973 | { | |
3974 | /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */ | |
3975 | S_SET_SEGMENT (symbolP, idx); | |
3976 | symbolP->sy_frag = &zero_address_frag; | |
3977 | } | |
3978 | ||
3979 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3980 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3981 | ||
3982 | SF_SET_STATICS (symbolP); | |
3983 | ||
3984 | #ifdef TE_DELTA | |
3985 | /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared, | |
3986 | which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */ | |
3987 | SF_CLEAR_LOCAL (symbolP); | |
3988 | #endif | |
3989 | #ifdef TE_PE | |
3990 | /* If the .linkonce pseudo-op was used for this section, we must | |
3991 | store the information in the auxiliary entry for the section | |
3992 | symbol. */ | |
3993 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
3994 | { | |
3995 | int type; | |
3996 | ||
3997 | switch (segment_info[idx].linkonce) | |
3998 | { | |
3999 | default: | |
4000 | abort (); | |
4001 | case LINKONCE_DISCARD: | |
4002 | type = IMAGE_COMDAT_SELECT_ANY; | |
4003 | break; | |
4004 | case LINKONCE_ONE_ONLY: | |
4005 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
4006 | break; | |
4007 | case LINKONCE_SAME_SIZE: | |
4008 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
4009 | break; | |
4010 | case LINKONCE_SAME_CONTENTS: | |
4011 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
4012 | break; | |
4013 | } | |
4014 | ||
4015 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
4016 | } | |
4017 | #endif /* TE_PE */ | |
4018 | ||
4019 | return symbolP; | |
f8e42b8c | 4020 | } |
252b5132 RH |
4021 | |
4022 | static void | |
4023 | w_symbols (abfd, where, symbol_rootP) | |
4024 | bfd * abfd; | |
4025 | char *where; | |
4026 | symbolS * symbol_rootP; | |
4027 | { | |
4028 | symbolS *symbolP; | |
4029 | unsigned int i; | |
4030 | ||
f8e42b8c | 4031 | /* First fill in those values we have only just worked out. */ |
252b5132 RH |
4032 | for (i = SEG_E0; i < SEG_LAST; i++) |
4033 | { | |
4034 | symbolP = segment_info[i].dot; | |
4035 | if (symbolP) | |
4036 | { | |
4037 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); | |
4038 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
4039 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
4040 | } | |
4041 | } | |
4042 | ||
f8e42b8c | 4043 | /* Emit all symbols left in the symbol chain. */ |
252b5132 RH |
4044 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) |
4045 | { | |
4046 | /* Used to save the offset of the name. It is used to point | |
f8e42b8c NC |
4047 | to the string in memory but must be a file offset. */ |
4048 | char *temp; | |
252b5132 RH |
4049 | |
4050 | /* We can't fix the lnnoptr field in yank_symbols with the other | |
4051 | adjustments, because we have to wait until we know where they | |
4052 | go in the file. */ | |
4053 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
f8e42b8c NC |
4054 | SA_GET_SYM_LNNOPTR (symbolP) += |
4055 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
252b5132 RH |
4056 | |
4057 | tc_coff_symbol_emit_hook (symbolP); | |
4058 | ||
4059 | temp = S_GET_NAME (symbolP); | |
4060 | if (SF_GET_STRING (symbolP)) | |
4061 | { | |
4062 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
4063 | S_SET_ZEROES (symbolP, 0); | |
4064 | } | |
4065 | else | |
4066 | { | |
4067 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
4068 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
4069 | } | |
4070 | where = symbol_to_chars (abfd, where, symbolP); | |
4071 | S_SET_NAME (symbolP, temp); | |
4072 | } | |
f8e42b8c | 4073 | } |
252b5132 RH |
4074 | |
4075 | static void | |
4076 | obj_coff_lcomm (ignore) | |
a04b544b | 4077 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
4078 | { |
4079 | s_lcomm(0); | |
4080 | return; | |
4081 | #if 0 | |
4082 | char *name; | |
4083 | char c; | |
4084 | int temp; | |
4085 | char *p; | |
4086 | ||
4087 | symbolS *symbolP; | |
4088 | ||
4089 | name = input_line_pointer; | |
4090 | ||
4091 | c = get_symbol_end (); | |
4092 | p = input_line_pointer; | |
4093 | *p = c; | |
4094 | SKIP_WHITESPACE (); | |
4095 | if (*input_line_pointer != ',') | |
4096 | { | |
4097 | as_bad (_("Expected comma after name")); | |
4098 | ignore_rest_of_line (); | |
4099 | return; | |
4100 | } | |
4101 | if (*input_line_pointer == '\n') | |
4102 | { | |
4103 | as_bad (_("Missing size expression")); | |
4104 | return; | |
4105 | } | |
4106 | input_line_pointer++; | |
4107 | if ((temp = get_absolute_expression ()) < 0) | |
4108 | { | |
4109 | as_warn (_("lcomm length (%d.) <0! Ignored."), temp); | |
4110 | ignore_rest_of_line (); | |
4111 | return; | |
4112 | } | |
4113 | *p = 0; | |
4114 | ||
708b82c7 | 4115 | symbolP = symbol_find_or_make (name); |
252b5132 | 4116 | |
708b82c7 NC |
4117 | if (S_GET_SEGMENT (symbolP) == SEG_UNKNOWN && |
4118 | S_GET_VALUE (symbolP) == 0) | |
252b5132 RH |
4119 | { |
4120 | if (! need_pass_2) | |
4121 | { | |
4122 | char *p; | |
f8e42b8c | 4123 | segT current_seg = now_seg; /* Save current seg. */ |
252b5132 RH |
4124 | subsegT current_subseg = now_subseg; |
4125 | ||
4126 | subseg_set (SEG_E2, 1); | |
4127 | symbolP->sy_frag = frag_now; | |
4128 | p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP, | |
4129 | (offsetT) temp, (char *) 0); | |
4130 | *p = 0; | |
f8e42b8c | 4131 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ |
708b82c7 NC |
4132 | S_SET_SEGMENT (symbolP, SEG_E2); |
4133 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
252b5132 RH |
4134 | } |
4135 | } | |
4136 | else | |
708b82c7 | 4137 | as_bad (_("Symbol %s already defined"), name); |
252b5132 | 4138 | |
708b82c7 | 4139 | demand_empty_rest_of_line (); |
252b5132 RH |
4140 | #endif |
4141 | } | |
4142 | ||
4143 | static void | |
4144 | fixup_mdeps (frags, h, this_segment) | |
17fc154e AM |
4145 | fragS *frags; |
4146 | object_headers *h ATTRIBUTE_UNUSED; | |
252b5132 RH |
4147 | segT this_segment; |
4148 | { | |
4149 | subseg_change (this_segment, 0); | |
f8e42b8c | 4150 | |
252b5132 RH |
4151 | while (frags) |
4152 | { | |
4153 | switch (frags->fr_type) | |
4154 | { | |
4155 | case rs_align: | |
4156 | case rs_align_code: | |
0a9ef439 | 4157 | case rs_align_test: |
252b5132 RH |
4158 | case rs_org: |
4159 | #ifdef HANDLE_ALIGN | |
4160 | HANDLE_ALIGN (frags); | |
4161 | #endif | |
4162 | frags->fr_type = rs_fill; | |
4163 | frags->fr_offset = | |
4164 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) | |
4165 | / frags->fr_var); | |
4166 | break; | |
4167 | case rs_machine_dependent: | |
4168 | md_convert_frag (h, this_segment, frags); | |
4169 | frag_wane (frags); | |
4170 | break; | |
4171 | default: | |
4172 | ; | |
4173 | } | |
4174 | frags = frags->fr_next; | |
4175 | } | |
4176 | } | |
4177 | ||
4178 | #if 1 | |
4179 | ||
4180 | #ifndef TC_FORCE_RELOCATION | |
4181 | #define TC_FORCE_RELOCATION(fix) 0 | |
4182 | #endif | |
4183 | ||
4184 | static void | |
4185 | fixup_segment (segP, this_segment_type) | |
4186 | segment_info_type * segP; | |
4187 | segT this_segment_type; | |
4188 | { | |
f8e42b8c NC |
4189 | fixS * fixP; |
4190 | symbolS *add_symbolP; | |
4191 | symbolS *sub_symbolP; | |
252b5132 | 4192 | long add_number; |
f8e42b8c NC |
4193 | int size; |
4194 | char *place; | |
4195 | long where; | |
4196 | char pcrel; | |
4197 | fragS *fragP; | |
4198 | segT add_symbol_segment = absolute_section; | |
252b5132 RH |
4199 | |
4200 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) | |
4201 | { | |
4202 | fragP = fixP->fx_frag; | |
4203 | know (fragP); | |
4204 | where = fixP->fx_where; | |
4205 | place = fragP->fr_literal + where; | |
4206 | size = fixP->fx_size; | |
4207 | add_symbolP = fixP->fx_addsy; | |
4208 | sub_symbolP = fixP->fx_subsy; | |
4209 | add_number = fixP->fx_offset; | |
4210 | pcrel = fixP->fx_pcrel; | |
4211 | ||
4212 | /* We want function-relative stabs to work on systems which | |
4213 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
4214 | fixups function-relative stabs generates. | |
4215 | ||
4216 | Of course, if you actually enable relaxing in the linker, the | |
4217 | line and block scoping information is going to be incorrect | |
4218 | in some cases. The only way to really fix this is to support | |
4219 | a reloc involving the difference of two symbols. */ | |
4220 | if (linkrelax | |
4221 | && (!sub_symbolP || pcrel)) | |
4222 | continue; | |
4223 | ||
4224 | #ifdef TC_I960 | |
4225 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) | |
4226 | { | |
4227 | /* Relocation should be done via the associated 'bal' entry | |
dcd619be | 4228 | point symbol. */ |
252b5132 RH |
4229 | |
4230 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) | |
4231 | { | |
4232 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4233 | _("No 'bal' entry point for leafproc %s"), | |
4234 | S_GET_NAME (add_symbolP)); | |
4235 | continue; | |
4236 | } | |
4237 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
4238 | } | |
4239 | #endif | |
4240 | ||
4241 | /* Make sure the symbols have been resolved; this may not have | |
4242 | happened if these are expression symbols. */ | |
4243 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
6386f3a7 | 4244 | resolve_symbol_value (add_symbolP); |
252b5132 RH |
4245 | |
4246 | if (add_symbolP != NULL) | |
4247 | { | |
4248 | /* If this fixup is against a symbol which has been equated | |
4249 | to another symbol, convert it to the other symbol. */ | |
4250 | if (add_symbolP->sy_value.X_op == O_symbol | |
4251 | && (! S_IS_DEFINED (add_symbolP) | |
4252 | || S_IS_COMMON (add_symbolP))) | |
4253 | { | |
4254 | while (add_symbolP->sy_value.X_op == O_symbol | |
4255 | && (! S_IS_DEFINED (add_symbolP) | |
4256 | || S_IS_COMMON (add_symbolP))) | |
4257 | { | |
4258 | symbolS *n; | |
4259 | ||
4260 | /* We must avoid looping, as that can occur with a | |
4261 | badly written program. */ | |
4262 | n = add_symbolP->sy_value.X_add_symbol; | |
4263 | if (n == add_symbolP) | |
4264 | break; | |
4265 | add_number += add_symbolP->sy_value.X_add_number; | |
4266 | add_symbolP = n; | |
4267 | } | |
4268 | fixP->fx_addsy = add_symbolP; | |
4269 | fixP->fx_offset = add_number; | |
4270 | } | |
4271 | } | |
4272 | ||
4273 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) | |
6386f3a7 | 4274 | resolve_symbol_value (sub_symbolP); |
252b5132 RH |
4275 | |
4276 | if (add_symbolP != NULL | |
4277 | && add_symbolP->sy_mri_common) | |
4278 | { | |
4279 | know (add_symbolP->sy_value.X_op == O_symbol); | |
4280 | add_number += S_GET_VALUE (add_symbolP); | |
4281 | fixP->fx_offset = add_number; | |
4282 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
4283 | } | |
4284 | ||
4285 | if (add_symbolP) | |
f8e42b8c | 4286 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); |
252b5132 RH |
4287 | |
4288 | if (sub_symbolP) | |
4289 | { | |
4290 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) | |
4291 | { | |
4292 | if (add_symbolP != NULL) | |
4293 | { | |
4294 | add_number += S_GET_VALUE (add_symbolP); | |
4295 | add_symbolP = NULL; | |
4296 | fixP->fx_addsy = NULL; | |
4297 | } | |
4298 | ||
4299 | /* It's just -sym. */ | |
4300 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
4301 | { | |
4302 | add_number -= S_GET_VALUE (sub_symbolP); | |
4303 | fixP->fx_subsy = 0; | |
4304 | fixP->fx_done = 1; | |
4305 | } | |
4306 | else | |
4307 | { | |
4308 | #ifndef TC_M68K | |
4309 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4310 | _("Negative of non-absolute symbol %s"), | |
4311 | S_GET_NAME (sub_symbolP)); | |
4312 | #endif | |
4313 | add_number -= S_GET_VALUE (sub_symbolP); | |
4314 | } /* not absolute */ | |
4315 | ||
4316 | /* if sub_symbol is in the same segment that add_symbol | |
f8e42b8c | 4317 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE. */ |
252b5132 RH |
4318 | } |
4319 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment | |
4320 | && SEG_NORMAL (add_symbol_segment)) | |
4321 | { | |
4322 | /* Difference of 2 symbols from same segment. Can't | |
4323 | make difference of 2 undefineds: 'value' means | |
dcd619be | 4324 | something different for N_UNDF. */ |
252b5132 RH |
4325 | #ifdef TC_I960 |
4326 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
4327 | as the target of a call instruction. */ | |
4328 | if (fixP->fx_tcbit) | |
f8e42b8c NC |
4329 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4330 | _("callj to difference of 2 symbols")); | |
252b5132 RH |
4331 | #endif /* TC_I960 */ |
4332 | add_number += S_GET_VALUE (add_symbolP) - | |
4333 | S_GET_VALUE (sub_symbolP); | |
4334 | add_symbolP = NULL; | |
4335 | ||
4336 | if (!TC_FORCE_RELOCATION (fixP)) | |
4337 | { | |
4338 | fixP->fx_addsy = NULL; | |
4339 | fixP->fx_subsy = NULL; | |
4340 | fixP->fx_done = 1; | |
4341 | #ifdef TC_M68K /* is this right? */ | |
4342 | pcrel = 0; | |
4343 | fixP->fx_pcrel = 0; | |
4344 | #endif | |
4345 | } | |
4346 | } | |
4347 | else | |
4348 | { | |
dcd619be | 4349 | /* Different segments in subtraction. */ |
252b5132 RH |
4350 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); |
4351 | ||
4352 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) | |
f8e42b8c NC |
4353 | add_number -= S_GET_VALUE (sub_symbolP); |
4354 | ||
252b5132 RH |
4355 | #ifdef DIFF_EXPR_OK |
4356 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type | |
dcd619be | 4357 | #if 0 /* Okay for 68k, at least... */ |
252b5132 RH |
4358 | && !pcrel |
4359 | #endif | |
4360 | ) | |
4361 | { | |
4362 | /* Make it pc-relative. */ | |
4363 | add_number += (md_pcrel_from (fixP) | |
4364 | - S_GET_VALUE (sub_symbolP)); | |
4365 | pcrel = 1; | |
4366 | fixP->fx_pcrel = 1; | |
4367 | sub_symbolP = 0; | |
4368 | fixP->fx_subsy = 0; | |
4369 | } | |
4370 | #endif | |
4371 | else | |
4372 | { | |
4373 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4374 | _("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."), | |
4375 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
4376 | S_GET_NAME (sub_symbolP), | |
4377 | (long) (fragP->fr_address + where)); | |
f8e42b8c | 4378 | } |
252b5132 | 4379 | } |
f8e42b8c | 4380 | } |
252b5132 RH |
4381 | |
4382 | if (add_symbolP) | |
4383 | { | |
4384 | if (add_symbol_segment == this_segment_type && pcrel) | |
4385 | { | |
f8e42b8c NC |
4386 | /* This fixup was made when the symbol's segment was |
4387 | SEG_UNKNOWN, but it is now in the local segment. | |
4388 | So we know how to do the address without relocation. */ | |
252b5132 RH |
4389 | #ifdef TC_I960 |
4390 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
f8e42b8c NC |
4391 | in which cases it modifies *fixP as appropriate. In the case |
4392 | of a 'calls', no further work is required, and *fixP has been | |
4393 | set up to make the rest of the code below a no-op. */ | |
252b5132 RH |
4394 | reloc_callj (fixP); |
4395 | #endif /* TC_I960 */ | |
4396 | ||
4397 | add_number += S_GET_VALUE (add_symbolP); | |
4398 | add_number -= md_pcrel_from (fixP); | |
4399 | ||
4400 | /* We used to do | |
4401 | add_number -= segP->scnhdr.s_vaddr; | |
4402 | if defined (TC_I386) || defined (TE_LYNX). I now | |
4403 | think that was an error propagated from the case when | |
4404 | we are going to emit the relocation. If we are not | |
4405 | going to emit the relocation, then we just want to | |
4406 | set add_number to the difference between the symbols. | |
4407 | This is a case that would only arise when there is a | |
4408 | PC relative reference from a section other than .text | |
4409 | to a symbol defined in the same section, and the | |
4410 | reference is not relaxed. Since jump instructions on | |
4411 | the i386 are relaxed, this could only arise with a | |
4412 | call instruction. */ | |
4413 | ||
dcd619be | 4414 | pcrel = 0; /* Lie. Don't want further pcrel processing. */ |
252b5132 RH |
4415 | if (!TC_FORCE_RELOCATION (fixP)) |
4416 | { | |
4417 | fixP->fx_addsy = NULL; | |
4418 | fixP->fx_done = 1; | |
4419 | } | |
4420 | } | |
4421 | else | |
4422 | { | |
4423 | switch (add_symbol_segment) | |
4424 | { | |
4425 | case absolute_section: | |
4426 | #ifdef TC_I960 | |
f8e42b8c NC |
4427 | /* See comment about reloc_callj() above. */ |
4428 | reloc_callj (fixP); | |
252b5132 RH |
4429 | #endif /* TC_I960 */ |
4430 | add_number += S_GET_VALUE (add_symbolP); | |
4431 | add_symbolP = NULL; | |
4432 | ||
4433 | if (!TC_FORCE_RELOCATION (fixP)) | |
4434 | { | |
4435 | fixP->fx_addsy = NULL; | |
4436 | fixP->fx_done = 1; | |
4437 | } | |
4438 | break; | |
4439 | default: | |
4440 | ||
3b16e843 | 4441 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32) |
252b5132 RH |
4442 | /* This really should be handled in the linker, but |
4443 | backward compatibility forbids. */ | |
4444 | add_number += S_GET_VALUE (add_symbolP); | |
4445 | #else | |
4446 | add_number += S_GET_VALUE (add_symbolP) + | |
4447 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
4448 | #endif | |
4449 | break; | |
4450 | ||
4451 | case SEG_UNKNOWN: | |
4452 | #ifdef TC_I960 | |
4453 | if ((int) fixP->fx_bit_fixP == 13) | |
4454 | { | |
4455 | /* This is a COBR instruction. They have only a | |
f8e42b8c NC |
4456 | 13-bit displacement and are only to be used |
4457 | for local branches: flag as error, don't generate | |
4458 | relocation. */ | |
252b5132 RH |
4459 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4460 | _("can't use COBR format with external label")); | |
4461 | fixP->fx_addsy = NULL; | |
4462 | fixP->fx_done = 1; | |
4463 | continue; | |
f8e42b8c | 4464 | } |
252b5132 RH |
4465 | #endif /* TC_I960 */ |
4466 | #if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND) | |
4467 | /* 386 COFF uses a peculiar format in which the | |
4468 | value of a common symbol is stored in the .text | |
4469 | segment (I've checked this on SVR3.2 and SCO | |
4470 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
4471 | /* This is also true for 68k COFF on sysv machines | |
4472 | (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on | |
4473 | UNIX System V/M68000, Release 1.0 from ATT/Bell Labs) | |
dcd619be | 4474 | Philippe De Muyter <phdm@info.ucl.ac.be>. */ |
252b5132 RH |
4475 | if (S_IS_COMMON (add_symbolP)) |
4476 | add_number += S_GET_VALUE (add_symbolP); | |
4477 | #endif | |
4478 | break; | |
4479 | ||
f8e42b8c NC |
4480 | } |
4481 | } | |
4482 | } | |
252b5132 RH |
4483 | |
4484 | if (pcrel) | |
4485 | { | |
3b16e843 | 4486 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32) |
252b5132 RH |
4487 | /* This adjustment is not correct on the m88k, for which the |
4488 | linker does all the computation. */ | |
4489 | add_number -= md_pcrel_from (fixP); | |
4490 | #endif | |
4491 | if (add_symbolP == 0) | |
f8e42b8c | 4492 | fixP->fx_addsy = &abs_symbol; |
252b5132 RH |
4493 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) |
4494 | /* On the 386 we must adjust by the segment vaddr as well. | |
4495 | Ian Taylor. | |
4496 | ||
4497 | I changed the i960 to work this way as well. This is | |
4498 | compatible with the current GNU linker behaviour. I do | |
4499 | not know what other i960 COFF assemblers do. This is not | |
4500 | a common case: normally, only assembler code will contain | |
4501 | a PC relative reloc, and only branches which do not | |
4502 | originate in the .text section will have a non-zero | |
4503 | address. | |
4504 | ||
4505 | I changed the m68k to work this way as well. This will | |
4506 | break existing PC relative relocs from sections which do | |
4507 | not start at address 0, but it will make ld -r work. | |
4508 | Ian Taylor, 4 Oct 96. */ | |
4509 | ||
4510 | add_number -= segP->scnhdr.s_vaddr; | |
4511 | #endif | |
f8e42b8c | 4512 | } |
252b5132 | 4513 | |
94f592af | 4514 | md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type); |
ec0f0840 | 4515 | |
252b5132 RH |
4516 | if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow) |
4517 | { | |
4518 | #ifndef TC_M88K | |
4519 | /* The m88k uses the offset field of the reloc to get around | |
4520 | this problem. */ | |
4521 | if ((size == 1 | |
4522 | && ((add_number & ~0xFF) | |
4523 | || (fixP->fx_signed && (add_number & 0x80))) | |
4524 | && ((add_number & ~0xFF) != (-1 & ~0xFF) | |
4525 | || (add_number & 0x80) == 0)) | |
4526 | || (size == 2 | |
4527 | && ((add_number & ~0xFFFF) | |
4528 | || (fixP->fx_signed && (add_number & 0x8000))) | |
4529 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF) | |
4530 | || (add_number & 0x8000) == 0))) | |
4531 | { | |
4532 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4533 | _("Value of %ld too large for field of %d bytes at 0x%lx"), | |
4534 | (long) add_number, size, | |
4535 | (unsigned long) (fragP->fr_address + where)); | |
4536 | } | |
4537 | #endif | |
4538 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
4539 | /* Warn if a .word value is too large when treated as a | |
4540 | signed number. We already know it is not too negative. | |
4541 | This is to catch over-large switches generated by gcc on | |
4542 | the 68k. */ | |
4543 | if (!flag_signed_overflow_ok | |
4544 | && size == 2 | |
4545 | && add_number > 0x7fff) | |
4546 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4547 | _("Signed .word overflow; switch may be too large; %ld at 0x%lx"), | |
4548 | (long) add_number, | |
4549 | (unsigned long) (fragP->fr_address + where)); | |
4550 | #endif | |
f8e42b8c NC |
4551 | } |
4552 | } | |
4553 | } | |
252b5132 RH |
4554 | |
4555 | #endif | |
4556 | ||
4557 | /* The first entry in a .stab section is special. */ | |
4558 | ||
4559 | void | |
4560 | obj_coff_init_stab_section (seg) | |
4561 | segT seg; | |
4562 | { | |
4563 | char *file; | |
4564 | char *p; | |
4565 | char *stabstr_name; | |
4566 | unsigned int stroff; | |
4567 | ||
dcd619be | 4568 | /* Make space for this first symbol. */ |
252b5132 | 4569 | p = frag_more (12); |
dcd619be | 4570 | /* Zero it out. */ |
252b5132 RH |
4571 | memset (p, 0, 12); |
4572 | as_where (&file, (unsigned int *) NULL); | |
4573 | stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4); | |
4574 | strcpy (stabstr_name, segment_info[seg].name); | |
4575 | strcat (stabstr_name, "str"); | |
4576 | stroff = get_stab_string_offset (file, stabstr_name); | |
4577 | know (stroff == 1); | |
4578 | md_number_to_chars (p, stroff, 4); | |
4579 | } | |
4580 | ||
4581 | /* Fill in the counts in the first entry in a .stab section. */ | |
4582 | ||
4583 | static void | |
4584 | adjust_stab_section(abfd, seg) | |
4585 | bfd *abfd; | |
4586 | segT seg; | |
4587 | { | |
4588 | segT stabstrseg = SEG_UNKNOWN; | |
4589 | const char *secname, *name2; | |
4590 | char *name; | |
4591 | char *p = NULL; | |
4592 | int i, strsz = 0, nsyms; | |
4593 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
4594 | ||
dcd619be | 4595 | /* Look for the associated string table section. */ |
252b5132 RH |
4596 | |
4597 | secname = segment_info[seg].name; | |
4598 | name = (char *) alloca (strlen (secname) + 4); | |
4599 | strcpy (name, secname); | |
4600 | strcat (name, "str"); | |
4601 | ||
4602 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
4603 | { | |
4604 | name2 = segment_info[i].name; | |
4605 | if (name2 != NULL && strncmp(name2, name, 8) == 0) | |
4606 | { | |
4607 | stabstrseg = i; | |
4608 | break; | |
4609 | } | |
4610 | } | |
4611 | ||
dcd619be | 4612 | /* If we found the section, get its size. */ |
252b5132 RH |
4613 | if (stabstrseg != SEG_UNKNOWN) |
4614 | strsz = size_section (abfd, stabstrseg); | |
4615 | ||
4616 | nsyms = size_section (abfd, seg) / 12 - 1; | |
4617 | ||
4618 | /* Look for the first frag of sufficient size for the initial stab | |
dcd619be | 4619 | symbol, and collect a pointer to it. */ |
252b5132 RH |
4620 | while (frag && frag->fr_fix < 12) |
4621 | frag = frag->fr_next; | |
4622 | assert (frag != 0); | |
4623 | p = frag->fr_literal; | |
4624 | assert (p != 0); | |
4625 | ||
4626 | /* Write in the number of stab symbols and the size of the string | |
dcd619be | 4627 | table. */ |
252b5132 RH |
4628 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); |
4629 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
4630 | } | |
4631 | ||
4632 | #endif /* not BFD_ASSEMBLER */ | |
4633 | ||
4c63da97 | 4634 | const pseudo_typeS coff_pseudo_table[] = |
252b5132 RH |
4635 | { |
4636 | {"def", obj_coff_def, 0}, | |
4637 | {"dim", obj_coff_dim, 0}, | |
4638 | {"endef", obj_coff_endef, 0}, | |
4639 | {"line", obj_coff_line, 0}, | |
4640 | {"ln", obj_coff_ln, 0}, | |
28428223 ILT |
4641 | #ifdef BFD_ASSEMBLER |
4642 | {"loc", obj_coff_loc, 0}, | |
4643 | #endif | |
252b5132 RH |
4644 | {"appline", obj_coff_ln, 1}, |
4645 | {"scl", obj_coff_scl, 0}, | |
4646 | {"size", obj_coff_size, 0}, | |
4647 | {"tag", obj_coff_tag, 0}, | |
4648 | {"type", obj_coff_type, 0}, | |
4649 | {"val", obj_coff_val, 0}, | |
4650 | {"section", obj_coff_section, 0}, | |
4651 | {"sect", obj_coff_section, 0}, | |
4652 | /* FIXME: We ignore the MRI short attribute. */ | |
4653 | {"section.s", obj_coff_section, 0}, | |
4654 | {"sect.s", obj_coff_section, 0}, | |
4655 | /* We accept the .bss directive for backward compatibility with | |
4656 | earlier versions of gas. */ | |
4657 | {"bss", obj_coff_bss, 0}, | |
7a6284c4 | 4658 | {"ident", obj_coff_ident, 0}, |
252b5132 RH |
4659 | #ifndef BFD_ASSEMBLER |
4660 | {"use", obj_coff_section, 0}, | |
4661 | {"text", obj_coff_text, 0}, | |
4662 | {"data", obj_coff_data, 0}, | |
4663 | {"lcomm", obj_coff_lcomm, 0}, | |
252b5132 | 4664 | #else |
d9895649 | 4665 | {"weak", obj_coff_weak, 0}, |
252b5132 | 4666 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ |
252b5132 RH |
4667 | #endif |
4668 | {"version", s_ignore, 0}, | |
4669 | {"ABORT", s_abort, 0}, | |
026df7c5 NC |
4670 | #if defined( TC_M88K ) || defined ( TC_TIC4X ) |
4671 | /* The m88k and tic4x uses sdef instead of def. */ | |
252b5132 RH |
4672 | {"sdef", obj_coff_def, 0}, |
4673 | #endif | |
a04b544b | 4674 | {NULL, NULL, 0} /* end sentinel */ |
4c63da97 | 4675 | }; /* coff_pseudo_table */ |
252b5132 RH |
4676 | \f |
4677 | #ifdef BFD_ASSEMBLER | |
4678 | ||
4679 | /* Support for a COFF emulation. */ | |
4680 | ||
4c63da97 | 4681 | static void coff_pop_insert PARAMS ((void)); |
5110c57e | 4682 | static int coff_separate_stab_sections PARAMS ((void)); |
4c63da97 | 4683 | |
252b5132 RH |
4684 | static void |
4685 | coff_pop_insert () | |
4686 | { | |
4c63da97 | 4687 | pop_insert (coff_pseudo_table); |
252b5132 RH |
4688 | } |
4689 | ||
5110c57e HPN |
4690 | static int |
4691 | coff_separate_stab_sections () | |
4692 | { | |
4693 | return 1; | |
4694 | } | |
4695 | ||
252b5132 RH |
4696 | const struct format_ops coff_format_ops = |
4697 | { | |
4698 | bfd_target_coff_flavour, | |
4c63da97 AM |
4699 | 0, /* dfl_leading_underscore */ |
4700 | 1, /* emit_section_symbols */ | |
5110c57e HPN |
4701 | 0, /* begin */ |
4702 | c_dot_file_symbol, | |
252b5132 | 4703 | coff_frob_symbol, |
4c63da97 | 4704 | 0, /* frob_file */ |
339681c0 | 4705 | 0, /* frob_file_before_adjust */ |
a161fe53 | 4706 | 0, /* frob_file_before_fix */ |
252b5132 | 4707 | coff_frob_file_after_relocs, |
4c63da97 AM |
4708 | 0, /* s_get_size */ |
4709 | 0, /* s_set_size */ | |
4710 | 0, /* s_get_align */ | |
4711 | 0, /* s_set_align */ | |
4712 | 0, /* s_get_other */ | |
5110c57e | 4713 | 0, /* s_set_other */ |
4c63da97 | 4714 | 0, /* s_get_desc */ |
5110c57e HPN |
4715 | 0, /* s_set_desc */ |
4716 | 0, /* s_get_type */ | |
4717 | 0, /* s_set_type */ | |
4c63da97 AM |
4718 | 0, /* copy_symbol_attributes */ |
4719 | 0, /* generate_asm_lineno */ | |
4720 | 0, /* process_stab */ | |
5110c57e HPN |
4721 | coff_separate_stab_sections, |
4722 | obj_coff_init_stab_section, | |
4c63da97 | 4723 | 0, /* sec_sym_ok_for_reloc */ |
252b5132 | 4724 | coff_pop_insert, |
4c63da97 | 4725 | 0, /* ecoff_set_ext */ |
252b5132 | 4726 | coff_obj_read_begin_hook, |
4c63da97 | 4727 | coff_obj_symbol_new_hook |
252b5132 RH |
4728 | }; |
4729 | ||
4730 | #endif |