Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* coff object file format |
f7e42eb4 | 2 | Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, |
f17c130b | 3 | 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
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 | ||
977cdf5a NC |
29 | #ifdef TE_PE |
30 | #include "coff/pe.h" | |
31 | #endif | |
32 | ||
252b5132 RH |
33 | /* I think this is probably always correct. */ |
34 | #ifndef KEEP_RELOC_INFO | |
35 | #define KEEP_RELOC_INFO | |
36 | #endif | |
37 | ||
b8a9dcab NC |
38 | /* The BFD_ASSEMBLER version of obj_coff_section will use this macro to set |
39 | a new section's attributes when a directive has no valid flags or the | |
40 | "w" flag is used. This default should be appropriate for most. */ | |
41 | #ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES | |
42 | #define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA) | |
43 | #endif | |
44 | ||
8d28c9d7 AM |
45 | /* This is used to hold the symbol built by a sequence of pseudo-ops |
46 | from .def and .endef. */ | |
47 | static symbolS *def_symbol_in_progress; | |
977cdf5a NC |
48 | #ifdef TE_PE |
49 | /* PE weak alternate symbols begin with this string. */ | |
50 | static const char weak_altprefix[] = ".weak."; | |
51 | #endif /* TE_PE */ | |
8d28c9d7 AM |
52 | |
53 | typedef struct | |
54 | { | |
55 | unsigned long chunk_size; | |
56 | unsigned long element_size; | |
57 | unsigned long size; | |
58 | char *data; | |
59 | unsigned long pointer; | |
60 | } | |
61 | stack; | |
62 | ||
63 | static stack *stack_init PARAMS ((unsigned long, unsigned long)); | |
64 | static char *stack_push PARAMS ((stack *, char *)); | |
65 | static char *stack_pop PARAMS ((stack *)); | |
66 | static void tag_init PARAMS ((void)); | |
67 | static void tag_insert PARAMS ((const char *, symbolS *)); | |
68 | static symbolS *tag_find PARAMS ((char *)); | |
69 | static symbolS *tag_find_or_make PARAMS ((char *)); | |
252b5132 | 70 | static void obj_coff_bss PARAMS ((int)); |
d9895649 | 71 | #ifdef BFD_ASSEMBLER |
8d28c9d7 | 72 | static void obj_coff_weak PARAMS ((int)); |
d9895649 | 73 | #endif |
252b5132 | 74 | const char *s_get_name PARAMS ((symbolS * s)); |
0561a208 ILT |
75 | static void obj_coff_ln PARAMS ((int)); |
76 | static void obj_coff_def PARAMS ((int)); | |
77 | static void obj_coff_endef PARAMS ((int)); | |
78 | static void obj_coff_dim PARAMS ((int)); | |
79 | static void obj_coff_line PARAMS ((int)); | |
80 | static void obj_coff_size PARAMS ((int)); | |
81 | static void obj_coff_scl PARAMS ((int)); | |
82 | static void obj_coff_tag PARAMS ((int)); | |
83 | static void obj_coff_val PARAMS ((int)); | |
84 | static void obj_coff_type PARAMS ((int)); | |
7a6284c4 | 85 | static void obj_coff_ident PARAMS ((int)); |
28428223 ILT |
86 | #ifdef BFD_ASSEMBLER |
87 | static void obj_coff_loc PARAMS((int)); | |
88 | #endif | |
252b5132 RH |
89 | \f |
90 | /* stack stuff */ | |
252b5132 RH |
91 | |
92 | static stack * | |
93 | stack_init (chunk_size, element_size) | |
94 | unsigned long chunk_size; | |
95 | unsigned long element_size; | |
96 | { | |
97 | stack *st; | |
98 | ||
99 | st = (stack *) malloc (sizeof (stack)); | |
100 | if (!st) | |
101 | return 0; | |
102 | st->data = malloc (chunk_size); | |
103 | if (!st->data) | |
104 | { | |
105 | free (st); | |
106 | return 0; | |
107 | } | |
108 | st->pointer = 0; | |
109 | st->size = chunk_size; | |
110 | st->chunk_size = chunk_size; | |
111 | st->element_size = element_size; | |
112 | return st; | |
113 | } | |
114 | ||
252b5132 RH |
115 | static char * |
116 | stack_push (st, element) | |
117 | stack *st; | |
118 | char *element; | |
119 | { | |
120 | if (st->pointer + st->element_size >= st->size) | |
121 | { | |
122 | st->size += st->chunk_size; | |
123 | if ((st->data = xrealloc (st->data, st->size)) == (char *) 0) | |
124 | return (char *) 0; | |
125 | } | |
126 | memcpy (st->data + st->pointer, element, st->element_size); | |
127 | st->pointer += st->element_size; | |
128 | return st->data + st->pointer; | |
129 | } | |
130 | ||
131 | static char * | |
132 | stack_pop (st) | |
133 | stack *st; | |
134 | { | |
135 | if (st->pointer < st->element_size) | |
136 | { | |
137 | st->pointer = 0; | |
138 | return (char *) 0; | |
139 | } | |
140 | st->pointer -= st->element_size; | |
141 | return st->data + st->pointer; | |
142 | } | |
143 | \f | |
144 | /* | |
aaa2624b | 145 | * Maintain a list of the tagnames of the structures. |
252b5132 RH |
146 | */ |
147 | ||
148 | static struct hash_control *tag_hash; | |
149 | ||
150 | static void | |
151 | tag_init () | |
152 | { | |
153 | tag_hash = hash_new (); | |
154 | } | |
155 | ||
156 | static void | |
157 | tag_insert (name, symbolP) | |
158 | const char *name; | |
159 | symbolS *symbolP; | |
160 | { | |
161 | const char *error_string; | |
162 | ||
163 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
164 | { | |
165 | as_fatal (_("Inserting \"%s\" into structure table failed: %s"), | |
166 | name, error_string); | |
167 | } | |
168 | } | |
169 | ||
170 | static symbolS * | |
171 | tag_find (name) | |
172 | char *name; | |
173 | { | |
174 | #ifdef STRIP_UNDERSCORE | |
175 | if (*name == '_') | |
176 | name++; | |
177 | #endif /* STRIP_UNDERSCORE */ | |
178 | return (symbolS *) hash_find (tag_hash, name); | |
179 | } | |
180 | ||
181 | static symbolS * | |
182 | tag_find_or_make (name) | |
183 | char *name; | |
184 | { | |
185 | symbolS *symbolP; | |
186 | ||
187 | if ((symbolP = tag_find (name)) == NULL) | |
188 | { | |
189 | symbolP = symbol_new (name, undefined_section, | |
190 | 0, &zero_address_frag); | |
191 | ||
192 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
193 | #ifdef BFD_ASSEMBLER | |
194 | symbol_table_insert (symbolP); | |
195 | #endif | |
196 | } /* not found */ | |
197 | ||
198 | return symbolP; | |
199 | } | |
200 | ||
201 | /* We accept the .bss directive to set the section for backward | |
202 | compatibility with earlier versions of gas. */ | |
203 | ||
204 | static void | |
205 | obj_coff_bss (ignore) | |
a04b544b | 206 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
207 | { |
208 | if (*input_line_pointer == '\n') | |
209 | subseg_new (".bss", get_absolute_expression ()); | |
210 | else | |
211 | s_lcomm (0); | |
212 | } | |
213 | ||
252b5132 RH |
214 | #ifdef BFD_ASSEMBLER |
215 | ||
8d28c9d7 | 216 | static segT fetch_coff_debug_section PARAMS ((void)); |
252b5132 | 217 | static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *)); |
8d28c9d7 AM |
218 | static int S_GET_DATA_TYPE PARAMS ((symbolS *)); |
219 | void c_symbol_merge PARAMS ((symbolS *, symbolS *)); | |
220 | static void add_lineno PARAMS ((fragS *, addressT, int)); | |
252b5132 RH |
221 | |
222 | #define GET_FILENAME_STRING(X) \ | |
814f6641 | 223 | ((char*) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) |
252b5132 RH |
224 | |
225 | /* @@ Ick. */ | |
226 | static segT | |
227 | fetch_coff_debug_section () | |
228 | { | |
229 | static segT debug_section; | |
230 | if (!debug_section) | |
231 | { | |
5a38dc70 | 232 | const asymbol *s; |
252b5132 RH |
233 | s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0); |
234 | assert (s != 0); | |
235 | debug_section = s->section; | |
236 | } | |
237 | return debug_section; | |
238 | } | |
239 | ||
240 | void | |
241 | SA_SET_SYM_ENDNDX (sym, val) | |
242 | symbolS *sym; | |
243 | symbolS *val; | |
244 | { | |
245 | combined_entry_type *entry, *p; | |
246 | ||
49309057 ILT |
247 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
248 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
249 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; |
250 | entry->fix_end = 1; | |
251 | } | |
252 | ||
253 | static void | |
254 | SA_SET_SYM_TAGNDX (sym, val) | |
255 | symbolS *sym; | |
256 | symbolS *val; | |
257 | { | |
258 | combined_entry_type *entry, *p; | |
259 | ||
49309057 ILT |
260 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
261 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
262 | entry->u.auxent.x_sym.x_tagndx.p = p; |
263 | entry->fix_tag = 1; | |
264 | } | |
265 | ||
266 | static int | |
267 | S_GET_DATA_TYPE (sym) | |
268 | symbolS *sym; | |
269 | { | |
49309057 | 270 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type; |
252b5132 RH |
271 | } |
272 | ||
273 | int | |
274 | S_SET_DATA_TYPE (sym, val) | |
275 | symbolS *sym; | |
276 | int val; | |
277 | { | |
49309057 | 278 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val; |
252b5132 RH |
279 | return val; |
280 | } | |
281 | ||
282 | int | |
283 | S_GET_STORAGE_CLASS (sym) | |
284 | symbolS *sym; | |
285 | { | |
49309057 | 286 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass; |
252b5132 RH |
287 | } |
288 | ||
289 | int | |
290 | S_SET_STORAGE_CLASS (sym, val) | |
291 | symbolS *sym; | |
292 | int val; | |
293 | { | |
49309057 | 294 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val; |
252b5132 RH |
295 | return val; |
296 | } | |
297 | ||
dcd619be | 298 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
252b5132 RH |
299 | |
300 | void | |
301 | c_symbol_merge (debug, normal) | |
302 | symbolS *debug; | |
303 | symbolS *normal; | |
304 | { | |
305 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
306 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
307 | ||
308 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
309 | { | |
310 | /* take the most we have */ | |
311 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
312 | } | |
313 | ||
314 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
315 | { | |
316 | /* Move all the auxiliary information. */ | |
317 | memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug), | |
318 | (S_GET_NUMBER_AUXILIARY (debug) | |
319 | * sizeof (*SYM_AUXINFO (debug)))); | |
320 | } | |
321 | ||
dcd619be | 322 | /* Move the debug flags. */ |
252b5132 RH |
323 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
324 | } | |
325 | ||
326 | void | |
a4528eeb | 327 | c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED) |
252b5132 RH |
328 | { |
329 | symbolS *symbolP; | |
330 | ||
0561a208 ILT |
331 | /* BFD converts filename to a .file symbol with an aux entry. It |
332 | also handles chaining. */ | |
252b5132 RH |
333 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
334 | ||
335 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
336 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
337 | ||
49309057 | 338 | symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING; |
252b5132 RH |
339 | |
340 | #ifndef NO_LISTING | |
341 | { | |
342 | extern int listing; | |
343 | if (listing) | |
344 | { | |
345 | listing_source_file (filename); | |
346 | } | |
347 | } | |
348 | #endif | |
349 | ||
350 | /* Make sure that the symbol is first on the symbol chain */ | |
351 | if (symbol_rootP != symbolP) | |
352 | { | |
353 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
354 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
355 | } /* if not first on the list */ | |
356 | } | |
357 | ||
358 | /* Line number handling */ | |
359 | ||
360 | struct line_no { | |
361 | struct line_no *next; | |
362 | fragS *frag; | |
363 | alent l; | |
364 | }; | |
365 | ||
366 | int coff_line_base; | |
367 | ||
368 | /* Symbol of last function, which we should hang line#s off of. */ | |
369 | static symbolS *line_fsym; | |
370 | ||
371 | #define in_function() (line_fsym != 0) | |
372 | #define clear_function() (line_fsym = 0) | |
373 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) | |
374 | ||
375 | \f | |
376 | void | |
377 | coff_obj_symbol_new_hook (symbolP) | |
378 | symbolS *symbolP; | |
379 | { | |
380 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
381 | char * s = (char *) xmalloc (sz); | |
dcd619be | 382 | |
252b5132 | 383 | memset (s, 0, sz); |
49309057 | 384 | coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s; |
252b5132 RH |
385 | |
386 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
387 | S_SET_STORAGE_CLASS (symbolP, 0); | |
388 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
389 | ||
390 | if (S_IS_STRING (symbolP)) | |
391 | SF_SET_STRING (symbolP); | |
dcd619be | 392 | |
252b5132 RH |
393 | if (S_IS_LOCAL (symbolP)) |
394 | SF_SET_LOCAL (symbolP); | |
395 | } | |
396 | ||
397 | \f | |
398 | /* | |
399 | * Handle .ln directives. | |
400 | */ | |
401 | ||
402 | static symbolS *current_lineno_sym; | |
403 | static struct line_no *line_nos; | |
404 | /* @@ Blindly assume all .ln directives will be in the .text section... */ | |
405 | int coff_n_line_nos; | |
406 | ||
407 | static void | |
408 | add_lineno (frag, offset, num) | |
409 | fragS *frag; | |
7f6d05e8 | 410 | addressT offset; |
252b5132 RH |
411 | int num; |
412 | { | |
413 | struct line_no *new_line = | |
414 | (struct line_no *) xmalloc (sizeof (struct line_no)); | |
415 | if (!current_lineno_sym) | |
416 | { | |
417 | abort (); | |
418 | } | |
6877bb43 TR |
419 | |
420 | #ifndef OBJ_XCOFF | |
421 | /* The native aix assembler accepts negative line number */ | |
422 | ||
dcd619be | 423 | if (num <= 0) |
e8a3ab75 ILT |
424 | { |
425 | /* Zero is used as an end marker in the file. */ | |
b985eaa8 ILT |
426 | as_warn (_("Line numbers must be positive integers\n")); |
427 | num = 1; | |
e8a3ab75 | 428 | } |
6877bb43 | 429 | #endif /* OBJ_XCOFF */ |
252b5132 RH |
430 | new_line->next = line_nos; |
431 | new_line->frag = frag; | |
432 | new_line->l.line_number = num; | |
433 | new_line->l.u.offset = offset; | |
434 | line_nos = new_line; | |
435 | coff_n_line_nos++; | |
436 | } | |
437 | ||
438 | void | |
439 | coff_add_linesym (sym) | |
440 | symbolS *sym; | |
441 | { | |
442 | if (line_nos) | |
443 | { | |
49309057 ILT |
444 | coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno = |
445 | (alent *) line_nos; | |
252b5132 RH |
446 | coff_n_line_nos++; |
447 | line_nos = 0; | |
448 | } | |
449 | current_lineno_sym = sym; | |
450 | } | |
451 | ||
452 | static void | |
453 | obj_coff_ln (appline) | |
454 | int appline; | |
455 | { | |
456 | int l; | |
457 | ||
458 | if (! appline && def_symbol_in_progress != NULL) | |
459 | { | |
460 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); | |
461 | demand_empty_rest_of_line (); | |
462 | return; | |
463 | } | |
464 | ||
465 | l = get_absolute_expression (); | |
252b5132 | 466 | |
e237d851 NC |
467 | /* If there is no lineno symbol, treat a .ln |
468 | directive as if it were a .appline directive. */ | |
469 | if (appline || current_lineno_sym == NULL) | |
252b5132 | 470 | new_logical_line ((char *) NULL, l - 1); |
e237d851 NC |
471 | else |
472 | add_lineno (frag_now, frag_now_fix (), l); | |
252b5132 RH |
473 | |
474 | #ifndef NO_LISTING | |
475 | { | |
476 | extern int listing; | |
477 | ||
478 | if (listing) | |
479 | { | |
480 | if (! appline) | |
481 | l += coff_line_base - 1; | |
482 | listing_source_line (l); | |
483 | } | |
484 | } | |
485 | #endif | |
486 | ||
487 | demand_empty_rest_of_line (); | |
488 | } | |
489 | ||
28428223 ILT |
490 | /* .loc is essentially the same as .ln; parse it for assembler |
491 | compatibility. */ | |
492 | ||
493 | static void | |
494 | obj_coff_loc (ignore) | |
495 | int ignore ATTRIBUTE_UNUSED; | |
496 | { | |
497 | int lineno; | |
498 | ||
499 | /* FIXME: Why do we need this check? We need it for ECOFF, but why | |
500 | do we need it for COFF? */ | |
501 | if (now_seg != text_section) | |
502 | { | |
503 | as_warn (_(".loc outside of .text")); | |
504 | demand_empty_rest_of_line (); | |
505 | return; | |
506 | } | |
507 | ||
508 | if (def_symbol_in_progress != NULL) | |
509 | { | |
510 | as_warn (_(".loc pseudo-op inside .def/.endef: ignored.")); | |
511 | demand_empty_rest_of_line (); | |
512 | return; | |
513 | } | |
514 | ||
515 | /* Skip the file number. */ | |
516 | SKIP_WHITESPACE (); | |
517 | get_absolute_expression (); | |
518 | SKIP_WHITESPACE (); | |
519 | ||
520 | lineno = get_absolute_expression (); | |
521 | ||
522 | #ifndef NO_LISTING | |
523 | { | |
524 | extern int listing; | |
525 | ||
526 | if (listing) | |
527 | { | |
cc8a6dd0 | 528 | lineno += coff_line_base - 1; |
28428223 ILT |
529 | listing_source_line (lineno); |
530 | } | |
531 | } | |
532 | #endif | |
533 | ||
534 | demand_empty_rest_of_line (); | |
535 | ||
536 | add_lineno (frag_now, frag_now_fix (), lineno); | |
537 | } | |
538 | ||
7a6284c4 ILT |
539 | /* Handle the .ident pseudo-op. */ |
540 | ||
541 | static void | |
542 | obj_coff_ident (ignore) | |
543 | int ignore ATTRIBUTE_UNUSED; | |
544 | { | |
545 | segT current_seg = now_seg; | |
546 | subsegT current_subseg = now_subseg; | |
547 | ||
548 | #ifdef TE_PE | |
549 | { | |
550 | segT sec; | |
551 | ||
552 | /* We could put it in .comment, but that creates an extra section | |
553 | that shouldn't be loaded into memory, which requires linker | |
554 | changes... For now, until proven otherwise, use .rdata. */ | |
555 | sec = subseg_new (".rdata$zzz", 0); | |
556 | bfd_set_section_flags (stdoutput, sec, | |
557 | ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA) | |
558 | & bfd_applicable_section_flags (stdoutput))); | |
559 | } | |
560 | #else | |
561 | subseg_new (".comment", 0); | |
562 | #endif | |
563 | ||
564 | stringer (1); | |
565 | subseg_set (current_seg, current_subseg); | |
566 | } | |
567 | ||
252b5132 RH |
568 | /* |
569 | * def() | |
570 | * | |
571 | * Handle .def directives. | |
572 | * | |
573 | * One might ask : why can't we symbol_new if the symbol does not | |
574 | * already exist and fill it with debug information. Because of | |
575 | * the C_EFCN special symbol. It would clobber the value of the | |
576 | * function symbol before we have a chance to notice that it is | |
577 | * a C_EFCN. And a second reason is that the code is more clear this | |
578 | * way. (at least I think it is :-). | |
579 | * | |
580 | */ | |
581 | ||
582 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
583 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
584 | *input_line_pointer == '\t') \ | |
585 | input_line_pointer++; | |
586 | ||
587 | static void | |
588 | obj_coff_def (what) | |
c4bf532f | 589 | int what ATTRIBUTE_UNUSED; |
252b5132 RH |
590 | { |
591 | char name_end; /* Char after the end of name */ | |
592 | char *symbol_name; /* Name of the debug symbol */ | |
593 | char *symbol_name_copy; /* Temporary copy of the name */ | |
594 | unsigned int symbol_name_length; | |
595 | ||
596 | if (def_symbol_in_progress != NULL) | |
597 | { | |
598 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
599 | demand_empty_rest_of_line (); | |
600 | return; | |
601 | } /* if not inside .def/.endef */ | |
602 | ||
603 | SKIP_WHITESPACES (); | |
604 | ||
605 | symbol_name = input_line_pointer; | |
606 | #ifdef STRIP_UNDERSCORE | |
607 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
608 | symbol_name++; | |
609 | #endif /* STRIP_UNDERSCORE */ | |
610 | ||
611 | name_end = get_symbol_end (); | |
612 | symbol_name_length = strlen (symbol_name); | |
613 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
614 | strcpy (symbol_name_copy, symbol_name); | |
615 | #ifdef tc_canonicalize_symbol_name | |
616 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
617 | #endif | |
618 | ||
619 | /* Initialize the new symbol */ | |
620 | def_symbol_in_progress = symbol_make (symbol_name_copy); | |
49309057 | 621 | symbol_set_frag (def_symbol_in_progress, &zero_address_frag); |
252b5132 RH |
622 | S_SET_VALUE (def_symbol_in_progress, 0); |
623 | ||
624 | if (S_IS_STRING (def_symbol_in_progress)) | |
625 | SF_SET_STRING (def_symbol_in_progress); | |
626 | ||
627 | *input_line_pointer = name_end; | |
628 | ||
629 | demand_empty_rest_of_line (); | |
630 | } | |
631 | ||
632 | unsigned int dim_index; | |
633 | ||
634 | static void | |
635 | obj_coff_endef (ignore) | |
c4bf532f | 636 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 637 | { |
c9900432 | 638 | symbolS *symbolP = NULL; |
252b5132 RH |
639 | |
640 | /* DIM BUG FIX sac@cygnus.com */ | |
641 | dim_index = 0; | |
642 | if (def_symbol_in_progress == NULL) | |
643 | { | |
644 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
645 | demand_empty_rest_of_line (); | |
646 | return; | |
647 | } /* if not inside .def/.endef */ | |
648 | ||
dcd619be | 649 | /* Set the section number according to storage class. */ |
252b5132 RH |
650 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
651 | { | |
652 | case C_STRTAG: | |
653 | case C_ENTAG: | |
654 | case C_UNTAG: | |
655 | SF_SET_TAG (def_symbol_in_progress); | |
656 | /* intentional fallthrough */ | |
657 | case C_FILE: | |
658 | case C_TPDEF: | |
659 | SF_SET_DEBUG (def_symbol_in_progress); | |
660 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); | |
661 | break; | |
662 | ||
663 | case C_EFCN: | |
dcd619be | 664 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ |
252b5132 RH |
665 | /* intentional fallthrough */ |
666 | case C_BLOCK: | |
667 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */ | |
668 | /* intentional fallthrough */ | |
669 | case C_FCN: | |
670 | { | |
5a38dc70 | 671 | const char *name; |
252b5132 RH |
672 | S_SET_SEGMENT (def_symbol_in_progress, text_section); |
673 | ||
49309057 | 674 | name = S_GET_NAME (def_symbol_in_progress); |
23dab925 | 675 | if (name[0] == '.' && name[2] == 'f' && name[3] == '\0') |
cc8a6dd0 | 676 | { |
23dab925 ILT |
677 | switch (name[1]) |
678 | { | |
dcd619be | 679 | case 'b': |
23dab925 ILT |
680 | /* .bf */ |
681 | if (! in_function ()) | |
682 | as_warn (_("`%s' symbol without preceding function"), name); | |
683 | /* Will need relocating. */ | |
684 | SF_SET_PROCESS (def_symbol_in_progress); | |
685 | clear_function (); | |
686 | break; | |
687 | #ifdef TE_PE | |
dcd619be | 688 | case 'e': |
23dab925 ILT |
689 | /* .ef */ |
690 | /* The MS compilers output the actual endline, not the | |
691 | function-relative one... we want to match without | |
692 | changing the assembler input. */ | |
dcd619be | 693 | SA_SET_SYM_LNNO (def_symbol_in_progress, |
23dab925 ILT |
694 | (SA_GET_SYM_LNNO (def_symbol_in_progress) |
695 | + coff_line_base)); | |
696 | break; | |
697 | #endif | |
698 | } | |
252b5132 RH |
699 | } |
700 | } | |
701 | break; | |
702 | ||
703 | #ifdef C_AUTOARG | |
704 | case C_AUTOARG: | |
705 | #endif /* C_AUTOARG */ | |
706 | case C_AUTO: | |
707 | case C_REG: | |
708 | case C_ARG: | |
709 | case C_REGPARM: | |
710 | case C_FIELD: | |
56385375 L |
711 | |
712 | /* According to the COFF documentation: | |
713 | ||
714 | http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html | |
715 | ||
716 | A special section number (-2) marks symbolic debugging symbols, | |
717 | including structure/union/enumeration tag names, typedefs, and | |
dcd619be | 718 | the name of the file. A section number of -1 indicates that the |
56385375 | 719 | symbol has a value but is not relocatable. Examples of |
dcd619be KH |
720 | absolute-valued symbols include automatic and register variables, |
721 | function arguments, and .eos symbols. | |
56385375 L |
722 | |
723 | But from Ian Lance Taylor: | |
724 | ||
725 | http://sources.redhat.com/ml/binutils/2000-08/msg00202.html | |
726 | ||
727 | the actual tools all marked them as section -1. So the GNU COFF | |
728 | assembler follows historical COFF assemblers. | |
729 | ||
730 | However, it causes problems for djgpp | |
731 | ||
732 | http://sources.redhat.com/ml/binutils/2000-08/msg00210.html | |
733 | ||
734 | By defining STRICTCOFF, a COFF port can make the assembler to | |
dcd619be | 735 | follow the documented behavior. */ |
56385375 | 736 | #ifdef STRICTCOFF |
252b5132 RH |
737 | case C_MOS: |
738 | case C_MOE: | |
739 | case C_MOU: | |
740 | case C_EOS: | |
56385375 | 741 | #endif |
d1d8ba22 | 742 | SF_SET_DEBUG (def_symbol_in_progress); |
252b5132 RH |
743 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
744 | break; | |
745 | ||
56385375 L |
746 | #ifndef STRICTCOFF |
747 | case C_MOS: | |
748 | case C_MOE: | |
749 | case C_MOU: | |
750 | case C_EOS: | |
751 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
752 | break; | |
753 | #endif | |
754 | ||
252b5132 RH |
755 | case C_EXT: |
756 | case C_WEAKEXT: | |
757 | #ifdef TE_PE | |
758 | case C_NT_WEAK: | |
759 | #endif | |
760 | case C_STAT: | |
761 | case C_LABEL: | |
762 | /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ | |
763 | break; | |
764 | ||
765 | default: | |
766 | case C_USTATIC: | |
767 | case C_EXTDEF: | |
768 | case C_ULABEL: | |
769 | as_warn (_("unexpected storage class %d"), | |
770 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
771 | break; | |
772 | } /* switch on storage class */ | |
773 | ||
774 | /* Now that we have built a debug symbol, try to find if we should | |
775 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
9690c54d ILT |
776 | absolute_section or untagged SEG_DEBUG it never merges. We also |
777 | don't merge labels, which are in a different namespace, nor | |
778 | symbols which have not yet been defined since they are typically | |
779 | unique, nor do we merge tags with non-tags. */ | |
252b5132 RH |
780 | |
781 | /* Two cases for functions. Either debug followed by definition or | |
782 | definition followed by debug. For definition first, we will | |
783 | merge the debug symbol into the definition. For debug first, the | |
784 | lineno entry MUST point to the definition function or else it | |
785 | will point off into space when obj_crawl_symbol_chain() merges | |
786 | the debug symbol into the real symbol. Therefor, let's presume | |
dcd619be | 787 | the debug symbol is a real function reference. */ |
252b5132 RH |
788 | |
789 | /* FIXME-SOON If for some reason the definition label/symbol is | |
790 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 791 | time. */ |
252b5132 RH |
792 | |
793 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
9690c54d | 794 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL |
252b5132 RH |
795 | || (!strcmp (bfd_get_section_name (stdoutput, |
796 | S_GET_SEGMENT (def_symbol_in_progress)), | |
797 | "*DEBUG*") | |
798 | && !SF_GET_TAG (def_symbol_in_progress)) | |
799 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
9690c54d ILT |
800 | || ! symbol_constant_p (def_symbol_in_progress) |
801 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
cc8a6dd0 | 802 | DO_NOT_STRIP)) == NULL |
9690c54d | 803 | || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)) |
252b5132 | 804 | { |
9690c54d | 805 | /* If it already is at the end of the symbol list, do nothing */ |
252b5132 | 806 | if (def_symbol_in_progress != symbol_lastP) |
cc8a6dd0 | 807 | { |
9690c54d ILT |
808 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
809 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
810 | &symbol_lastP); | |
cc8a6dd0 | 811 | } |
252b5132 RH |
812 | } |
813 | else | |
814 | { | |
815 | /* This symbol already exists, merge the newly created symbol | |
816 | into the old one. This is not mandatory. The linker can | |
817 | handle duplicate symbols correctly. But I guess that it save | |
818 | a *lot* of space if the assembly file defines a lot of | |
819 | symbols. [loic] */ | |
820 | ||
821 | /* The debug entry (def_symbol_in_progress) is merged into the | |
dcd619be | 822 | previous definition. */ |
252b5132 RH |
823 | |
824 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
825 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
826 | ||
827 | def_symbol_in_progress = symbolP; | |
828 | ||
829 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
830 | || SF_GET_TAG (def_symbol_in_progress) | |
831 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
832 | { | |
833 | /* For functions, and tags, and static symbols, the symbol | |
834 | *must* be where the debug symbol appears. Move the | |
dcd619be | 835 | existing symbol to the current place. */ |
252b5132 RH |
836 | /* If it already is at the end of the symbol list, do nothing */ |
837 | if (def_symbol_in_progress != symbol_lastP) | |
838 | { | |
839 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
840 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
841 | } | |
842 | } | |
843 | } | |
844 | ||
845 | if (SF_GET_TAG (def_symbol_in_progress)) | |
846 | { | |
847 | symbolS *oldtag; | |
848 | ||
849 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
850 | DO_NOT_STRIP); | |
851 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
852 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
853 | def_symbol_in_progress); | |
854 | } | |
855 | ||
856 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
857 | { | |
858 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
859 | set_function (def_symbol_in_progress); | |
860 | SF_SET_PROCESS (def_symbol_in_progress); | |
861 | ||
862 | if (symbolP == NULL) | |
863 | { | |
864 | /* That is, if this is the first time we've seen the | |
dcd619be | 865 | function... */ |
252b5132 RH |
866 | symbol_table_insert (def_symbol_in_progress); |
867 | } /* definition follows debug */ | |
868 | } /* Create the line number entry pointing to the function being defined */ | |
869 | ||
870 | def_symbol_in_progress = NULL; | |
871 | demand_empty_rest_of_line (); | |
872 | } | |
873 | ||
874 | static void | |
875 | obj_coff_dim (ignore) | |
c4bf532f | 876 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
877 | { |
878 | int dim_index; | |
879 | ||
880 | if (def_symbol_in_progress == NULL) | |
881 | { | |
882 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
883 | demand_empty_rest_of_line (); | |
884 | return; | |
885 | } /* if not inside .def/.endef */ | |
886 | ||
887 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
888 | ||
889 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
890 | { | |
891 | SKIP_WHITESPACES (); | |
892 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
893 | get_absolute_expression ()); | |
894 | ||
895 | switch (*input_line_pointer) | |
896 | { | |
897 | case ',': | |
898 | input_line_pointer++; | |
899 | break; | |
900 | ||
901 | default: | |
902 | as_warn (_("badly formed .dim directive ignored")); | |
903 | /* intentional fallthrough */ | |
904 | case '\n': | |
905 | case ';': | |
906 | dim_index = DIMNUM; | |
907 | break; | |
908 | } | |
909 | } | |
910 | ||
911 | demand_empty_rest_of_line (); | |
912 | } | |
913 | ||
914 | static void | |
915 | obj_coff_line (ignore) | |
c4bf532f | 916 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
917 | { |
918 | int this_base; | |
919 | ||
920 | if (def_symbol_in_progress == NULL) | |
921 | { | |
922 | /* Probably stabs-style line? */ | |
923 | obj_coff_ln (0); | |
924 | return; | |
925 | } | |
926 | ||
927 | this_base = get_absolute_expression (); | |
928 | if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress))) | |
929 | coff_line_base = this_base; | |
930 | ||
931 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
23dab925 | 932 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); |
252b5132 RH |
933 | |
934 | demand_empty_rest_of_line (); | |
935 | ||
936 | #ifndef NO_LISTING | |
937 | if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0) | |
938 | { | |
939 | extern int listing; | |
940 | ||
941 | if (listing) | |
23dab925 | 942 | listing_source_line ((unsigned int) this_base); |
252b5132 RH |
943 | } |
944 | #endif | |
945 | } | |
946 | ||
947 | static void | |
948 | obj_coff_size (ignore) | |
c4bf532f | 949 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
950 | { |
951 | if (def_symbol_in_progress == NULL) | |
952 | { | |
953 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
954 | demand_empty_rest_of_line (); | |
955 | return; | |
956 | } /* if not inside .def/.endef */ | |
957 | ||
958 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
959 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
960 | demand_empty_rest_of_line (); | |
961 | } | |
962 | ||
963 | static void | |
964 | obj_coff_scl (ignore) | |
c4bf532f | 965 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
966 | { |
967 | if (def_symbol_in_progress == NULL) | |
968 | { | |
969 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
970 | demand_empty_rest_of_line (); | |
971 | return; | |
972 | } /* if not inside .def/.endef */ | |
973 | ||
974 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
975 | demand_empty_rest_of_line (); | |
976 | } | |
977 | ||
978 | static void | |
979 | obj_coff_tag (ignore) | |
c4bf532f | 980 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
981 | { |
982 | char *symbol_name; | |
983 | char name_end; | |
984 | ||
985 | if (def_symbol_in_progress == NULL) | |
986 | { | |
987 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
988 | demand_empty_rest_of_line (); | |
989 | return; | |
990 | } | |
991 | ||
992 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
993 | symbol_name = input_line_pointer; | |
994 | name_end = get_symbol_end (); | |
995 | ||
996 | #ifdef tc_canonicalize_symbol_name | |
997 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
998 | #endif | |
999 | ||
1000 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 1001 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
1002 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
1003 | tag_find_or_make (symbol_name)); | |
1004 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
1005 | { | |
1006 | as_warn (_("tag not found for .tag %s"), symbol_name); | |
1007 | } /* not defined */ | |
1008 | ||
1009 | SF_SET_TAGGED (def_symbol_in_progress); | |
1010 | *input_line_pointer = name_end; | |
1011 | ||
1012 | demand_empty_rest_of_line (); | |
1013 | } | |
1014 | ||
1015 | static void | |
1016 | obj_coff_type (ignore) | |
c4bf532f | 1017 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1018 | { |
1019 | if (def_symbol_in_progress == NULL) | |
1020 | { | |
1021 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
1022 | demand_empty_rest_of_line (); | |
1023 | return; | |
1024 | } /* if not inside .def/.endef */ | |
1025 | ||
1026 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
1027 | ||
1028 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
1029 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
1030 | { | |
1031 | SF_SET_FUNCTION (def_symbol_in_progress); | |
1032 | } /* is a function */ | |
1033 | ||
1034 | demand_empty_rest_of_line (); | |
1035 | } | |
1036 | ||
1037 | static void | |
1038 | obj_coff_val (ignore) | |
c4bf532f | 1039 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1040 | { |
1041 | if (def_symbol_in_progress == NULL) | |
1042 | { | |
1043 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
1044 | demand_empty_rest_of_line (); | |
1045 | return; | |
1046 | } /* if not inside .def/.endef */ | |
1047 | ||
1048 | if (is_name_beginner (*input_line_pointer)) | |
1049 | { | |
1050 | char *symbol_name = input_line_pointer; | |
1051 | char name_end = get_symbol_end (); | |
1052 | ||
1053 | #ifdef tc_canonicalize_symbol_name | |
1054 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
1055 | #endif | |
1056 | if (!strcmp (symbol_name, ".")) | |
1057 | { | |
49309057 | 1058 | symbol_set_frag (def_symbol_in_progress, frag_now); |
252b5132 RH |
1059 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
1060 | /* If the .val is != from the .def (e.g. statics) */ | |
1061 | } | |
1062 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
1063 | { | |
49309057 ILT |
1064 | expressionS exp; |
1065 | ||
1066 | exp.X_op = O_symbol; | |
1067 | exp.X_add_symbol = symbol_find_or_make (symbol_name); | |
1068 | exp.X_op_symbol = NULL; | |
1069 | exp.X_add_number = 0; | |
1070 | symbol_set_value_expression (def_symbol_in_progress, &exp); | |
252b5132 RH |
1071 | |
1072 | /* If the segment is undefined when the forward reference is | |
1073 | resolved, then copy the segment id from the forward | |
1074 | symbol. */ | |
1075 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
0561a208 ILT |
1076 | |
1077 | /* FIXME: gcc can generate address expressions here in | |
1078 | unusual cases (search for "obscure" in sdbout.c). We | |
1079 | just ignore the offset here, thus generating incorrect | |
1080 | debugging information. We ignore the rest of the line | |
1081 | just below. */ | |
252b5132 | 1082 | } |
0561a208 | 1083 | /* Otherwise, it is the name of a non debug symbol and its value |
dcd619be | 1084 | will be calculated later. */ |
252b5132 RH |
1085 | *input_line_pointer = name_end; |
1086 | } | |
1087 | else | |
1088 | { | |
1089 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
1090 | } /* if symbol based */ | |
1091 | ||
1092 | demand_empty_rest_of_line (); | |
1093 | } | |
1094 | ||
977cdf5a NC |
1095 | #ifdef TE_PE |
1096 | ||
1097 | /* Return nonzero if name begins with weak alternate symbol prefix. */ | |
1098 | ||
1099 | static int | |
1100 | weak_is_altname (const char * name) | |
1101 | { | |
1102 | return ! strncmp (name, weak_altprefix, sizeof (weak_altprefix) - 1); | |
1103 | } | |
1104 | ||
1105 | /* Return the name of the alternate symbol | |
1106 | name corresponding to a weak symbol's name. */ | |
1107 | ||
1108 | static const char * | |
1109 | weak_name2altname (const char * name) | |
1110 | { | |
1111 | char *alt_name; | |
1112 | ||
1113 | alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name)); | |
1114 | strcpy (alt_name, weak_altprefix); | |
1115 | return strcat (alt_name, name); | |
1116 | } | |
1117 | ||
1118 | /* Return the name of the weak symbol corresponding to an | |
1119 | alterate symbol. */ | |
1120 | ||
1121 | static const char * | |
1122 | weak_altname2name (const char * name) | |
1123 | { | |
1124 | char * weak_name; | |
1125 | char * dot; | |
1126 | ||
1127 | assert (weak_is_altname (name)); | |
1128 | ||
1129 | weak_name = xstrdup (name + 6); | |
1130 | if ((dot = strchr (weak_name, '.'))) | |
1131 | *dot = 0; | |
1132 | return weak_name; | |
1133 | } | |
1134 | ||
1135 | /* Make a weak symbol name unique by | |
1136 | appending the name of an external symbol. */ | |
1137 | ||
1138 | static const char * | |
1139 | weak_uniquify (const char * name) | |
1140 | { | |
1141 | char *ret; | |
1142 | const char * unique = ""; | |
1143 | ||
1144 | #ifdef USE_UNIQUE | |
1145 | if (an_external_name != NULL) | |
1146 | unique = an_external_name; | |
1147 | #endif | |
1148 | assert (weak_is_altname (name)); | |
1149 | ||
1150 | if (strchr (name + sizeof (weak_altprefix), '.')) | |
1151 | return name; | |
1152 | ||
1153 | ret = xmalloc (strlen (name) + strlen (unique) + 2); | |
1154 | strcpy (ret, name); | |
1155 | strcat (ret, "."); | |
1156 | strcat (ret, unique); | |
1157 | return ret; | |
1158 | } | |
1159 | ||
1160 | #endif /* TE_PE */ | |
1161 | ||
c87db184 | 1162 | /* Handle .weak. This is a GNU extension in formats other than PE. */ |
977cdf5a | 1163 | |
c87db184 | 1164 | static void |
977cdf5a | 1165 | obj_coff_weak (int ignore ATTRIBUTE_UNUSED) |
c87db184 CF |
1166 | { |
1167 | char *name; | |
1168 | int c; | |
1169 | symbolS *symbolP; | |
977cdf5a NC |
1170 | #ifdef TE_PE |
1171 | symbolS *alternateP; | |
1172 | #endif | |
c87db184 CF |
1173 | |
1174 | do | |
1175 | { | |
1176 | name = input_line_pointer; | |
1177 | c = get_symbol_end (); | |
1178 | if (*name == 0) | |
1179 | { | |
1180 | as_warn (_("badly formed .weak directive ignored")); | |
1181 | ignore_rest_of_line (); | |
1182 | return; | |
1183 | } | |
977cdf5a | 1184 | c = 0; |
c87db184 CF |
1185 | symbolP = symbol_find_or_make (name); |
1186 | *input_line_pointer = c; | |
1187 | SKIP_WHITESPACE (); | |
1188 | ||
1189 | #if defined BFD_ASSEMBLER || defined S_SET_WEAK | |
1190 | S_SET_WEAK (symbolP); | |
1191 | #endif | |
1192 | ||
1193 | #ifdef TE_PE | |
1194 | /* See _Microsoft Portable Executable and Common Object | |
977cdf5a NC |
1195 | File Format Specification_, section 5.5.3. |
1196 | Create a symbol representing the alternate value. | |
1197 | coff_frob_symbol will set the value of this symbol from | |
1198 | the value of the weak symbol itself. */ | |
c87db184 | 1199 | S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK); |
977cdf5a NC |
1200 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
1201 | SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_LIBRARY); | |
c87db184 | 1202 | |
977cdf5a NC |
1203 | alternateP = symbol_find_or_make (weak_name2altname (name)); |
1204 | S_SET_EXTERNAL (alternateP); | |
1205 | S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK); | |
c87db184 | 1206 | |
977cdf5a NC |
1207 | SA_SET_SYM_TAGNDX (symbolP, alternateP); |
1208 | #endif | |
c87db184 CF |
1209 | |
1210 | if (c == ',') | |
1211 | { | |
1212 | input_line_pointer++; | |
1213 | SKIP_WHITESPACE (); | |
1214 | if (*input_line_pointer == '\n') | |
1215 | c = '\n'; | |
1216 | } | |
1217 | ||
1218 | } | |
1219 | while (c == ','); | |
1220 | ||
1221 | demand_empty_rest_of_line (); | |
1222 | } | |
1223 | ||
252b5132 RH |
1224 | void |
1225 | coff_obj_read_begin_hook () | |
1226 | { | |
dcd619be | 1227 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
1228 | #ifndef BFD_HEADERS |
1229 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
1230 | know (SYMESZ == AUXESZ); | |
1231 | #endif | |
1232 | tag_init (); | |
1233 | } | |
1234 | ||
252b5132 | 1235 | symbolS *coff_last_function; |
17fc154e | 1236 | #ifndef OBJ_XCOFF |
252b5132 | 1237 | static symbolS *coff_last_bf; |
17fc154e | 1238 | #endif |
252b5132 RH |
1239 | |
1240 | void | |
1241 | coff_frob_symbol (symp, punt) | |
1242 | symbolS *symp; | |
1243 | int *punt; | |
1244 | { | |
1245 | static symbolS *last_tagP; | |
1246 | static stack *block_stack; | |
1247 | static symbolS *set_end; | |
1248 | symbolS *next_set_end = NULL; | |
1249 | ||
1250 | if (symp == &abs_symbol) | |
1251 | { | |
1252 | *punt = 1; | |
1253 | return; | |
1254 | } | |
1255 | ||
1256 | if (current_lineno_sym) | |
1257 | coff_add_linesym ((symbolS *) 0); | |
1258 | ||
1259 | if (!block_stack) | |
1260 | block_stack = stack_init (512, sizeof (symbolS*)); | |
1261 | ||
252b5132 | 1262 | #ifdef TE_PE |
977cdf5a NC |
1263 | if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK |
1264 | && ! S_IS_WEAK (symp) | |
1265 | && weak_is_altname (S_GET_NAME (symp))) | |
1266 | { | |
1267 | /* This is a weak alternate symbol. All processing of | |
1268 | PECOFFweak symbols is done here, through the alternate. */ | |
1269 | symbolS *weakp = symbol_find (weak_altname2name (S_GET_NAME (symp))); | |
1270 | ||
1271 | assert (weakp); | |
1272 | assert (S_GET_NUMBER_AUXILIARY (weakp) == 1); | |
1273 | ||
1274 | if (symbol_equated_p (weakp)) | |
1275 | { | |
1276 | /* The weak symbol has an alternate specified; symp is unneeded. */ | |
1277 | S_SET_STORAGE_CLASS (weakp, C_NT_WEAK); | |
1278 | SA_SET_SYM_TAGNDX (weakp, | |
1279 | symbol_get_value_expression (weakp)->X_add_symbol); | |
1280 | ||
1281 | S_CLEAR_EXTERNAL (symp); | |
1282 | *punt = 1; | |
1283 | return; | |
1284 | } | |
1285 | else | |
1286 | { | |
1287 | /* The weak symbol has been assigned an alternate value. | |
1288 | Copy this value to symp, and set symp as weakp's alternate. */ | |
1289 | if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK) | |
1290 | { | |
1291 | S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp)); | |
1292 | S_SET_STORAGE_CLASS (weakp, C_NT_WEAK); | |
1293 | } | |
1294 | ||
1295 | if (S_IS_DEFINED (weakp)) | |
1296 | { | |
1297 | /* This is a defined weak symbol. Copy value information | |
1298 | from the weak symbol itself to the alternate symbol. */ | |
1299 | symbol_set_value_expression (symp, | |
1300 | symbol_get_value_expression (weakp)); | |
1301 | symbol_set_frag (symp, symbol_get_frag (weakp)); | |
1302 | S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp)); | |
1303 | } | |
1304 | else | |
1305 | { | |
1306 | /* This is an undefined weak symbol. | |
1307 | Define the alternate symbol to zero. */ | |
1308 | S_SET_VALUE (symp, 0); | |
1309 | S_SET_SEGMENT (symp, absolute_section); | |
1310 | } | |
1311 | ||
1312 | S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp))); | |
1313 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1314 | ||
1315 | S_SET_VALUE (weakp, 0); | |
1316 | S_SET_SEGMENT (weakp, undefined_section); | |
1317 | } | |
252b5132 | 1318 | } |
977cdf5a NC |
1319 | #else /* TE_PE */ |
1320 | if (S_IS_WEAK (symp)) | |
1321 | S_SET_STORAGE_CLASS (symp, C_WEAKEXT); | |
1322 | #endif /* TE_PE */ | |
252b5132 RH |
1323 | |
1324 | if (!S_IS_DEFINED (symp) | |
1325 | && !S_IS_WEAK (symp) | |
1326 | && S_GET_STORAGE_CLASS (symp) != C_STAT) | |
1327 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1328 | ||
1329 | if (!SF_GET_DEBUG (symp)) | |
1330 | { | |
bdbe95c8 NC |
1331 | symbolS * real; |
1332 | ||
252b5132 RH |
1333 | if (!SF_GET_LOCAL (symp) |
1334 | && !SF_GET_STATICS (symp) | |
39da8128 DD |
1335 | && S_GET_STORAGE_CLASS (symp) != C_LABEL |
1336 | && symbol_constant_p(symp) | |
252b5132 | 1337 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) |
bdbe95c8 | 1338 | && S_GET_STORAGE_CLASS (real) == C_NULL |
252b5132 RH |
1339 | && real != symp) |
1340 | { | |
1341 | c_symbol_merge (symp, real); | |
1342 | *punt = 1; | |
39da8128 | 1343 | return; |
252b5132 | 1344 | } |
bdbe95c8 | 1345 | |
5e0d736c | 1346 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) |
252b5132 | 1347 | { |
5e0d736c DD |
1348 | assert (S_GET_VALUE (symp) == 0); |
1349 | S_SET_EXTERNAL (symp); | |
1350 | } | |
1351 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
1352 | { | |
1353 | if (S_GET_SEGMENT (symp) == text_section | |
1354 | && symp != seg_info (text_section)->sym) | |
1355 | S_SET_STORAGE_CLASS (symp, C_LABEL); | |
252b5132 | 1356 | else |
5e0d736c | 1357 | S_SET_STORAGE_CLASS (symp, C_STAT); |
252b5132 | 1358 | } |
bdbe95c8 | 1359 | |
252b5132 RH |
1360 | if (SF_GET_PROCESS (symp)) |
1361 | { | |
1362 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
1363 | { | |
1364 | if (!strcmp (S_GET_NAME (symp), ".bb")) | |
1365 | stack_push (block_stack, (char *) &symp); | |
1366 | else | |
1367 | { | |
1368 | symbolS *begin; | |
bdbe95c8 | 1369 | |
252b5132 RH |
1370 | begin = *(symbolS **) stack_pop (block_stack); |
1371 | if (begin == 0) | |
1372 | as_warn (_("mismatched .eb")); | |
1373 | else | |
1374 | next_set_end = begin; | |
1375 | } | |
1376 | } | |
bdbe95c8 | 1377 | |
252b5132 RH |
1378 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
1379 | { | |
1380 | union internal_auxent *auxp; | |
bdbe95c8 | 1381 | |
252b5132 RH |
1382 | coff_last_function = symp; |
1383 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) | |
1384 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
0561a208 | 1385 | auxp = SYM_AUXENT (symp); |
252b5132 RH |
1386 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, |
1387 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
1388 | } | |
bdbe95c8 | 1389 | |
252b5132 RH |
1390 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) |
1391 | { | |
1392 | if (coff_last_function == 0) | |
1393 | as_fatal (_("C_EFCN symbol out of scope")); | |
1394 | SA_SET_SYM_FSIZE (coff_last_function, | |
1395 | (long) (S_GET_VALUE (symp) | |
1396 | - S_GET_VALUE (coff_last_function))); | |
1397 | next_set_end = coff_last_function; | |
1398 | coff_last_function = 0; | |
1399 | } | |
1400 | } | |
bdbe95c8 | 1401 | |
252b5132 RH |
1402 | if (S_IS_EXTERNAL (symp)) |
1403 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1404 | else if (SF_GET_LOCAL (symp)) | |
1405 | *punt = 1; | |
1406 | ||
1407 | if (SF_GET_FUNCTION (symp)) | |
49309057 | 1408 | symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION; |
252b5132 | 1409 | |
dcd619be | 1410 | /* more ... */ |
252b5132 RH |
1411 | } |
1412 | ||
8828d862 ILT |
1413 | /* Double check weak symbols. */ |
1414 | if (S_IS_WEAK (symp) && S_IS_COMMON (symp)) | |
1415 | as_bad (_("Symbol `%s' can not be both weak and common"), | |
1416 | S_GET_NAME (symp)); | |
1417 | ||
252b5132 RH |
1418 | if (SF_GET_TAG (symp)) |
1419 | last_tagP = symp; | |
1420 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
1421 | next_set_end = last_tagP; | |
1422 | ||
1423 | #ifdef OBJ_XCOFF | |
1424 | /* This is pretty horrible, but we have to set *punt correctly in | |
1425 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
809ffe0d | 1426 | if (! symbol_used_in_reloc_p (symp) |
49309057 | 1427 | && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0 |
670ec21d | 1428 | || (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp)) |
809ffe0d | 1429 | && ! symbol_get_tc (symp)->output |
252b5132 RH |
1430 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) |
1431 | *punt = 1; | |
1432 | #endif | |
1433 | ||
1434 | if (set_end != (symbolS *) NULL | |
1435 | && ! *punt | |
49309057 | 1436 | && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0 |
252b5132 RH |
1437 | || (S_IS_DEFINED (symp) |
1438 | && ! S_IS_COMMON (symp) | |
1439 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
1440 | { | |
1441 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1442 | set_end = NULL; | |
1443 | } | |
1444 | ||
a04b544b ILT |
1445 | if (next_set_end != NULL) |
1446 | { | |
1447 | if (set_end != NULL) | |
1448 | as_warn ("Warning: internal error: forgetting to set endndx of %s", | |
1449 | S_GET_NAME (set_end)); | |
1450 | set_end = next_set_end; | |
1451 | } | |
252b5132 | 1452 | |
8642cce8 | 1453 | #ifndef OBJ_XCOFF |
252b5132 RH |
1454 | if (! *punt |
1455 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
1456 | && strcmp (S_GET_NAME (symp), ".bf") == 0) | |
1457 | { | |
1458 | if (coff_last_bf != NULL) | |
1459 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1460 | coff_last_bf = symp; | |
1461 | } | |
8642cce8 | 1462 | #endif |
49309057 | 1463 | if (coffsymbol (symbol_get_bfdsym (symp))->lineno) |
252b5132 RH |
1464 | { |
1465 | int i; | |
1466 | struct line_no *lptr; | |
1467 | alent *l; | |
1468 | ||
49309057 | 1469 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1470 | for (i = 0; lptr; lptr = lptr->next) |
1471 | i++; | |
49309057 | 1472 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1473 | |
1474 | /* We need i entries for line numbers, plus 1 for the first | |
1475 | entry which BFD will override, plus 1 for the last zero | |
1476 | entry (a marker for BFD). */ | |
1477 | l = (alent *) xmalloc ((i + 2) * sizeof (alent)); | |
49309057 | 1478 | coffsymbol (symbol_get_bfdsym (symp))->lineno = l; |
252b5132 RH |
1479 | l[i + 1].line_number = 0; |
1480 | l[i + 1].u.sym = NULL; | |
1481 | for (; i > 0; i--) | |
1482 | { | |
1483 | if (lptr->frag) | |
bea9907b | 1484 | lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE; |
252b5132 RH |
1485 | l[i] = lptr->l; |
1486 | lptr = lptr->next; | |
1487 | } | |
1488 | } | |
1489 | } | |
1490 | ||
1491 | void | |
1492 | coff_adjust_section_syms (abfd, sec, x) | |
c4bf532f | 1493 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 | 1494 | asection *sec; |
c4bf532f | 1495 | PTR x ATTRIBUTE_UNUSED; |
252b5132 RH |
1496 | { |
1497 | symbolS *secsym; | |
1498 | segment_info_type *seginfo = seg_info (sec); | |
1499 | int nlnno, nrelocs = 0; | |
1500 | ||
1501 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in | |
1502 | tc-ppc.c. Do not get confused by it. */ | |
1503 | if (seginfo == NULL) | |
1504 | return; | |
1505 | ||
1506 | if (!strcmp (sec->name, ".text")) | |
1507 | nlnno = coff_n_line_nos; | |
1508 | else | |
1509 | nlnno = 0; | |
1510 | { | |
1511 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1512 | entry... */ | |
1513 | fixS *fixp = seginfo->fix_root; | |
1514 | while (fixp) | |
1515 | { | |
1516 | if (! fixp->fx_done) | |
1517 | nrelocs++; | |
1518 | fixp = fixp->fx_next; | |
1519 | } | |
1520 | } | |
587aac4e | 1521 | if (bfd_get_section_size (sec) == 0 |
252b5132 RH |
1522 | && nrelocs == 0 |
1523 | && nlnno == 0 | |
1524 | && sec != text_section | |
1525 | && sec != data_section | |
1526 | && sec != bss_section) | |
1527 | return; | |
1528 | secsym = section_symbol (sec); | |
945a1a6b ILT |
1529 | /* This is an estimate; we'll plug in the real value using |
1530 | SET_SECTION_RELOCS later */ | |
252b5132 RH |
1531 | SA_SET_SCN_NRELOC (secsym, nrelocs); |
1532 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1533 | } | |
1534 | ||
1535 | void | |
1536 | coff_frob_file_after_relocs () | |
1537 | { | |
1538 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0); | |
1539 | } | |
1540 | ||
6ff96af6 NC |
1541 | /* Implement the .section pseudo op: |
1542 | .section name {, "flags"} | |
1543 | ^ ^ | |
1544 | | +--- optional flags: 'b' for bss | |
1545 | | 'i' for info | |
1546 | +-- section name 'l' for lib | |
1547 | 'n' for noload | |
1548 | 'o' for over | |
1549 | 'w' for data | |
1550 | 'd' (apparently m88k for data) | |
1551 | 'x' for text | |
1552 | 'r' for read-only data | |
1553 | 's' for shared data (PE) | |
1554 | But if the argument is not a quoted string, treat it as a | |
1555 | subsegment number. | |
1556 | ||
1557 | Note the 'a' flag is silently ignored. This allows the same | |
1558 | .section directive to be parsed in both ELF and COFF formats. */ | |
252b5132 RH |
1559 | |
1560 | void | |
1561 | obj_coff_section (ignore) | |
c4bf532f | 1562 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
1563 | { |
1564 | /* Strip out the section name */ | |
1565 | char *section_name; | |
1566 | char c; | |
1567 | char *name; | |
1568 | unsigned int exp; | |
c9900432 | 1569 | flagword flags, oldflags; |
252b5132 RH |
1570 | asection *sec; |
1571 | ||
1572 | if (flag_mri) | |
1573 | { | |
1574 | char type; | |
1575 | ||
1576 | s_mri_sect (&type); | |
1577 | return; | |
1578 | } | |
1579 | ||
1580 | section_name = input_line_pointer; | |
1581 | c = get_symbol_end (); | |
1582 | ||
1583 | name = xmalloc (input_line_pointer - section_name + 1); | |
1584 | strcpy (name, section_name); | |
1585 | ||
1586 | *input_line_pointer = c; | |
1587 | ||
1588 | SKIP_WHITESPACE (); | |
1589 | ||
1590 | exp = 0; | |
c9900432 | 1591 | flags = SEC_NO_FLAGS; |
252b5132 RH |
1592 | |
1593 | if (*input_line_pointer == ',') | |
1594 | { | |
1595 | ++input_line_pointer; | |
1596 | SKIP_WHITESPACE (); | |
1597 | if (*input_line_pointer != '"') | |
1598 | exp = get_absolute_expression (); | |
1599 | else | |
1600 | { | |
1601 | ++input_line_pointer; | |
1602 | while (*input_line_pointer != '"' | |
1603 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1604 | { | |
1605 | switch (*input_line_pointer) | |
1606 | { | |
1607 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1af96959 | 1608 | case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break; |
e96c5464 | 1609 | |
ebe372c1 | 1610 | case 's': flags |= SEC_COFF_SHARED; /* fall through */ |
5881e4aa ILT |
1611 | case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */ |
1612 | case 'w': flags &=~ SEC_READONLY; break; | |
e96c5464 | 1613 | |
aaa2624b | 1614 | case 'a': break; /* For compatibility with ELF. */ |
5881e4aa | 1615 | case 'x': flags |= SEC_CODE | SEC_LOAD; break; |
b256d4fd | 1616 | case 'r': flags |= SEC_DATA | SEC_LOAD | SEC_READONLY; break; |
252b5132 RH |
1617 | |
1618 | case 'i': /* STYP_INFO */ | |
1619 | case 'l': /* STYP_LIB */ | |
1620 | case 'o': /* STYP_OVER */ | |
1621 | as_warn (_("unsupported section attribute '%c'"), | |
1622 | *input_line_pointer); | |
1623 | break; | |
1624 | ||
1625 | default: | |
1626 | as_warn(_("unknown section attribute '%c'"), | |
1627 | *input_line_pointer); | |
1628 | break; | |
1629 | } | |
1630 | ++input_line_pointer; | |
1631 | } | |
1632 | if (*input_line_pointer == '"') | |
1633 | ++input_line_pointer; | |
1634 | } | |
1635 | } | |
1636 | ||
1637 | sec = subseg_new (name, (subsegT) exp); | |
1638 | ||
c9900432 NC |
1639 | oldflags = bfd_get_section_flags (stdoutput, sec); |
1640 | if (oldflags == SEC_NO_FLAGS) | |
252b5132 | 1641 | { |
c9900432 NC |
1642 | /* Set section flags for a new section just created by subseg_new. |
1643 | Provide a default if no flags were parsed. */ | |
1644 | if (flags == SEC_NO_FLAGS) | |
1ad5eac0 | 1645 | flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES; |
dcd619be | 1646 | |
c9900432 NC |
1647 | #ifdef COFF_LONG_SECTION_NAMES |
1648 | /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce | |
1649 | sections so adjust_reloc_syms in write.c will correctly handle | |
1650 | relocs which refer to non-local symbols in these sections. */ | |
814f6641 | 1651 | if (strncmp (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1) == 0) |
cc8a6dd0 | 1652 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
c9900432 | 1653 | #endif |
252b5132 RH |
1654 | |
1655 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
cc8a6dd0 KH |
1656 | as_warn (_("error setting flags for \"%s\": %s"), |
1657 | bfd_section_name (stdoutput, sec), | |
1658 | bfd_errmsg (bfd_get_error ())); | |
c9900432 NC |
1659 | } |
1660 | else if (flags != SEC_NO_FLAGS) | |
1661 | { | |
1662 | /* This section's attributes have already been set. Warn if the | |
1663 | attributes don't match. */ | |
5dd0794d | 1664 | flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE |
ebe372c1 | 1665 | | SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD); |
c9900432 NC |
1666 | if ((flags ^ oldflags) & matchflags) |
1667 | as_warn (_("Ignoring changed section attributes for %s"), name); | |
252b5132 RH |
1668 | } |
1669 | ||
1670 | demand_empty_rest_of_line (); | |
1671 | } | |
1672 | ||
1673 | void | |
1674 | coff_adjust_symtab () | |
1675 | { | |
1676 | if (symbol_rootP == NULL | |
1677 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
a4528eeb | 1678 | c_dot_file_symbol ("fake", 0); |
252b5132 RH |
1679 | } |
1680 | ||
1681 | void | |
1682 | coff_frob_section (sec) | |
1683 | segT sec; | |
1684 | { | |
1685 | segT strsec; | |
1686 | char *p; | |
1687 | fragS *fragp; | |
1688 | bfd_vma size, n_entries, mask; | |
bea9907b | 1689 | bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER; |
252b5132 RH |
1690 | |
1691 | /* The COFF back end in BFD requires that all section sizes be | |
bea9907b TW |
1692 | rounded up to multiples of the corresponding section alignments, |
1693 | supposedly because standard COFF has no other way of encoding alignment | |
1694 | for sections. If your COFF flavor has a different way of encoding | |
dcd619be | 1695 | section alignment, then skip this step, as TICOFF does. */ |
587aac4e | 1696 | size = bfd_get_section_size (sec); |
bea9907b TW |
1697 | mask = ((bfd_vma) 1 << align_power) - 1; |
1698 | #if !defined(TICOFF) | |
252b5132 RH |
1699 | if (size & mask) |
1700 | { | |
7f788821 NC |
1701 | bfd_vma new_size; |
1702 | fragS *last; | |
dcd619be | 1703 | |
7f788821 NC |
1704 | new_size = (size + mask) & ~mask; |
1705 | bfd_set_section_size (stdoutput, sec, new_size); | |
1706 | ||
1707 | /* If the size had to be rounded up, add some padding in | |
1708 | the last non-empty frag. */ | |
1709 | fragp = seg_info (sec)->frchainP->frch_root; | |
1710 | last = seg_info (sec)->frchainP->frch_last; | |
1711 | while (fragp->fr_next != last) | |
cc8a6dd0 | 1712 | fragp = fragp->fr_next; |
7f788821 NC |
1713 | last->fr_address = size; |
1714 | fragp->fr_offset += new_size - size; | |
252b5132 | 1715 | } |
bea9907b | 1716 | #endif |
252b5132 RH |
1717 | |
1718 | /* If the section size is non-zero, the section symbol needs an aux | |
1719 | entry associated with it, indicating the size. We don't know | |
1720 | all the values yet; coff_frob_symbol will fill them in later. */ | |
bea9907b | 1721 | #ifndef TICOFF |
252b5132 RH |
1722 | if (size != 0 |
1723 | || sec == text_section | |
1724 | || sec == data_section | |
1725 | || sec == bss_section) | |
bea9907b | 1726 | #endif |
252b5132 RH |
1727 | { |
1728 | symbolS *secsym = section_symbol (sec); | |
1729 | ||
1730 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1731 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1732 | SF_SET_STATICS (secsym); | |
1733 | SA_SET_SCN_SCNLEN (secsym, size); | |
1734 | } | |
1735 | ||
1736 | /* @@ these should be in a "stabs.h" file, or maybe as.h */ | |
1737 | #ifndef STAB_SECTION_NAME | |
1738 | #define STAB_SECTION_NAME ".stab" | |
1739 | #endif | |
1740 | #ifndef STAB_STRING_SECTION_NAME | |
1741 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1742 | #endif | |
1743 | if (strcmp (STAB_STRING_SECTION_NAME, sec->name)) | |
1744 | return; | |
1745 | ||
1746 | strsec = sec; | |
1747 | sec = subseg_get (STAB_SECTION_NAME, 0); | |
1748 | /* size is already rounded up, since other section will be listed first */ | |
587aac4e | 1749 | size = bfd_get_section_size (strsec); |
252b5132 | 1750 | |
587aac4e | 1751 | n_entries = bfd_get_section_size (sec) / 12 - 1; |
252b5132 RH |
1752 | |
1753 | /* Find first non-empty frag. It should be large enough. */ | |
1754 | fragp = seg_info (sec)->frchainP->frch_root; | |
1755 | while (fragp && fragp->fr_fix == 0) | |
1756 | fragp = fragp->fr_next; | |
1757 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1758 | ||
1759 | /* Store the values. */ | |
1760 | p = fragp->fr_literal; | |
1761 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1762 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1763 | } | |
1764 | ||
1765 | void | |
1766 | obj_coff_init_stab_section (seg) | |
1767 | segT seg; | |
1768 | { | |
1769 | char *file; | |
1770 | char *p; | |
1771 | char *stabstr_name; | |
1772 | unsigned int stroff; | |
1773 | ||
dcd619be | 1774 | /* Make space for this first symbol. */ |
252b5132 | 1775 | p = frag_more (12); |
dcd619be | 1776 | /* Zero it out. */ |
252b5132 RH |
1777 | memset (p, 0, 12); |
1778 | as_where (&file, (unsigned int *) NULL); | |
23deb923 | 1779 | stabstr_name = (char *) xmalloc (strlen (seg->name) + 4); |
252b5132 RH |
1780 | strcpy (stabstr_name, seg->name); |
1781 | strcat (stabstr_name, "str"); | |
1782 | stroff = get_stab_string_offset (file, stabstr_name); | |
1783 | know (stroff == 1); | |
1784 | md_number_to_chars (p, stroff, 4); | |
1785 | } | |
1786 | ||
1787 | #ifdef DEBUG | |
1788 | /* for debugging */ | |
1789 | const char * | |
1790 | s_get_name (s) | |
1791 | symbolS *s; | |
1792 | { | |
1793 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); | |
1794 | } | |
1795 | ||
1796 | void | |
1797 | symbol_dump () | |
1798 | { | |
1799 | symbolS *symbolP; | |
1800 | ||
1801 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
1802 | { | |
814f6641 | 1803 | printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"), |
252b5132 RH |
1804 | (unsigned long) symbolP, |
1805 | S_GET_NAME(symbolP), | |
1806 | (long) S_GET_DATA_TYPE(symbolP), | |
1807 | S_GET_STORAGE_CLASS(symbolP), | |
1808 | (int) S_GET_SEGMENT(symbolP)); | |
1809 | } | |
1810 | } | |
1811 | ||
1812 | #endif /* DEBUG */ | |
1813 | ||
1814 | #else /* not BFD_ASSEMBLER */ | |
1815 | ||
1816 | #include "frags.h" | |
dcd619be | 1817 | /* This is needed because we include internal bfd things. */ |
252b5132 RH |
1818 | #include <time.h> |
1819 | ||
1820 | #include "libbfd.h" | |
1821 | #include "libcoff.h" | |
1822 | ||
252b5132 RH |
1823 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so |
1824 | that we can stick sections together without causing trouble. */ | |
1825 | #ifndef NOP_OPCODE | |
1826 | #define NOP_OPCODE 0x00 | |
1827 | #endif | |
1828 | ||
1829 | /* The zeroes if symbol name is longer than 8 chars */ | |
1830 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1831 | ||
1832 | #define MIN(a,b) ((a) < (b)? (a) : (b)) | |
a04b544b ILT |
1833 | |
1834 | /* This vector is used to turn a gas internal segment number into a | |
1835 | section number suitable for insertion into a coff symbol table. | |
1836 | This must correspond to seg_info_off_by_4. */ | |
252b5132 RH |
1837 | |
1838 | const short seg_N_TYPE[] = | |
1839 | { /* in: segT out: N_TYPE bits */ | |
1840 | C_ABS_SECTION, | |
1841 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
1842 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1843 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1844 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1845 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ | |
1846 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1847 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1848 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1849 | C_NTV_SECTION, /* SEG_NTV */ | |
1850 | C_PTV_SECTION, /* SEG_PTV */ | |
1851 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1852 | }; | |
1853 | ||
1854 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1855 | started (the odd entry for line #0) */ | |
1856 | ||
f8e42b8c | 1857 | /* Structure used to keep the filenames which |
252b5132 | 1858 | are too long around so that we can stick them |
f8e42b8c | 1859 | into the string table. */ |
dcd619be | 1860 | struct filename_list |
252b5132 | 1861 | { |
f17c130b | 1862 | const char *filename; |
252b5132 RH |
1863 | struct filename_list *next; |
1864 | }; | |
1865 | ||
1866 | static struct filename_list *filename_list_head; | |
1867 | static struct filename_list *filename_list_tail; | |
1868 | ||
1869 | static symbolS *last_line_symbol; | |
1870 | ||
1871 | /* Add 4 to the real value to get the index and compensate the | |
1872 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
f8e42b8c | 1873 | section number into a segment number. */ |
252b5132 | 1874 | |
252b5132 | 1875 | bfd *abfd; |
f8e42b8c NC |
1876 | static symbolS *previous_file_symbol; |
1877 | static int line_base; | |
252b5132 | 1878 | |
f8e42b8c NC |
1879 | void c_symbol_merge PARAMS ((symbolS *, symbolS *)); |
1880 | symbolS *c_section_symbol PARAMS ((char *, int)); | |
1881 | void obj_coff_section PARAMS ((int)); | |
1882 | void do_relocs_for PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1883 | char * symbol_to_chars PARAMS ((bfd *, char *, symbolS *)); | |
1884 | void w_strings PARAMS ((char *)); | |
1885 | ||
1886 | static void fixup_segment PARAMS ((segment_info_type *, segT)); | |
1887 | static void fixup_mdeps PARAMS ((fragS *, object_headers *, segT)); | |
1888 | static void fill_section PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1889 | static int c_line_new PARAMS ((symbolS *, long, int, fragS *)); | |
1890 | static void w_symbols PARAMS ((bfd *, char *, symbolS *)); | |
1891 | static void adjust_stab_section PARAMS ((bfd *, segT)); | |
252b5132 RH |
1892 | static void obj_coff_lcomm PARAMS ((int)); |
1893 | static void obj_coff_text PARAMS ((int)); | |
1894 | static void obj_coff_data PARAMS ((int)); | |
f8e42b8c NC |
1895 | static unsigned int count_entries_in_chain PARAMS ((unsigned int)); |
1896 | static void coff_header_append PARAMS ((bfd *, object_headers *)); | |
1897 | static unsigned int yank_symbols PARAMS ((void)); | |
1898 | static unsigned int glue_symbols PARAMS ((symbolS **, symbolS **)); | |
1899 | static unsigned int tie_tags PARAMS ((void)); | |
1900 | static void crawl_symbols PARAMS ((object_headers *, bfd *)); | |
1901 | static void do_linenos_for PARAMS ((bfd *, object_headers *, unsigned long *)); | |
1902 | static void remove_subsegs PARAMS ((void)); | |
1903 | ||
1904 | ||
252b5132 | 1905 | |
a04b544b | 1906 | /* When not using BFD_ASSEMBLER, we permit up to 40 sections. |
252b5132 | 1907 | |
a04b544b ILT |
1908 | This array maps a COFF section number into a gas section number. |
1909 | Because COFF uses negative section numbers, you must add 4 to the | |
1910 | COFF section number when indexing into this array; this is done via | |
1911 | the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to | |
1912 | seg_N_TYPE. */ | |
252b5132 | 1913 | |
a04b544b | 1914 | static const segT seg_info_off_by_4[] = |
252b5132 | 1915 | { |
a04b544b ILT |
1916 | SEG_PTV, |
1917 | SEG_NTV, | |
1918 | SEG_DEBUG, | |
1919 | SEG_ABSOLUTE, | |
1920 | SEG_UNKNOWN, | |
1921 | SEG_E0, SEG_E1, SEG_E2, SEG_E3, SEG_E4, | |
1922 | SEG_E5, SEG_E6, SEG_E7, SEG_E8, SEG_E9, | |
1923 | SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14, | |
1924 | SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19, | |
1925 | SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24, | |
1926 | SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29, | |
1927 | SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34, | |
1928 | SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39, | |
1929 | (segT) 40, | |
1930 | (segT) 41, | |
1931 | (segT) 42, | |
1932 | (segT) 43, | |
1933 | (segT) 44, | |
1934 | (segT) 45, | |
1935 | (segT) 0, | |
1936 | (segT) 0, | |
1937 | (segT) 0, | |
1938 | SEG_REGISTER | |
252b5132 RH |
1939 | }; |
1940 | ||
252b5132 RH |
1941 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) |
1942 | ||
f8e42b8c NC |
1943 | static relax_addressT relax_align PARAMS ((relax_addressT, long)); |
1944 | ||
252b5132 RH |
1945 | static relax_addressT |
1946 | relax_align (address, alignment) | |
1947 | relax_addressT address; | |
1948 | long alignment; | |
1949 | { | |
1950 | relax_addressT mask; | |
1951 | relax_addressT new_address; | |
1952 | ||
1953 | mask = ~((~0) << alignment); | |
1954 | new_address = (address + mask) & (~mask); | |
1955 | return (new_address - address); | |
1956 | } | |
1957 | ||
252b5132 RH |
1958 | segT |
1959 | s_get_segment (x) | |
1960 | symbolS * x; | |
1961 | { | |
a04b544b | 1962 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum); |
252b5132 RH |
1963 | } |
1964 | ||
f8e42b8c NC |
1965 | static unsigned int size_section PARAMS ((bfd *, unsigned int)); |
1966 | ||
1967 | /* Calculate the size of the frag chain and fill in the section header | |
1968 | to contain all of it, also fill in the addr of the sections. */ | |
1969 | ||
252b5132 RH |
1970 | static unsigned int |
1971 | size_section (abfd, idx) | |
a04b544b | 1972 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
1973 | unsigned int idx; |
1974 | { | |
252b5132 RH |
1975 | unsigned int size = 0; |
1976 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
f8e42b8c | 1977 | |
252b5132 RH |
1978 | while (frag) |
1979 | { | |
1980 | size = frag->fr_address; | |
1981 | if (frag->fr_address != size) | |
1982 | { | |
1983 | fprintf (stderr, _("Out of step\n")); | |
1984 | size = frag->fr_address; | |
1985 | } | |
1986 | ||
1987 | switch (frag->fr_type) | |
1988 | { | |
1989 | #ifdef TC_COFF_SIZEMACHDEP | |
1990 | case rs_machine_dependent: | |
1991 | size += TC_COFF_SIZEMACHDEP (frag); | |
1992 | break; | |
1993 | #endif | |
1994 | case rs_space: | |
252b5132 RH |
1995 | case rs_fill: |
1996 | case rs_org: | |
1997 | size += frag->fr_fix; | |
1998 | size += frag->fr_offset * frag->fr_var; | |
1999 | break; | |
2000 | case rs_align: | |
2001 | case rs_align_code: | |
0a9ef439 | 2002 | case rs_align_test: |
252b5132 RH |
2003 | { |
2004 | addressT off; | |
2005 | ||
2006 | size += frag->fr_fix; | |
2007 | off = relax_align (size, frag->fr_offset); | |
2008 | if (frag->fr_subtype != 0 && off > frag->fr_subtype) | |
2009 | off = 0; | |
2010 | size += off; | |
2011 | } | |
2012 | break; | |
2013 | default: | |
2014 | BAD_CASE (frag->fr_type); | |
2015 | break; | |
2016 | } | |
2017 | frag = frag->fr_next; | |
2018 | } | |
2019 | segment_info[idx].scnhdr.s_size = size; | |
2020 | return size; | |
2021 | } | |
2022 | ||
252b5132 RH |
2023 | static unsigned int |
2024 | count_entries_in_chain (idx) | |
2025 | unsigned int idx; | |
2026 | { | |
2027 | unsigned int nrelocs; | |
2028 | fixS *fixup_ptr; | |
2029 | ||
f8e42b8c | 2030 | /* Count the relocations. */ |
252b5132 RH |
2031 | fixup_ptr = segment_info[idx].fix_root; |
2032 | nrelocs = 0; | |
2033 | while (fixup_ptr != (fixS *) NULL) | |
2034 | { | |
2035 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) | |
2036 | { | |
3b16e843 | 2037 | #if defined(TC_A29K) || defined(TC_OR32) |
252b5132 RH |
2038 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) |
2039 | nrelocs += 2; | |
2040 | else | |
2041 | nrelocs++; | |
2042 | #else | |
2043 | nrelocs++; | |
2044 | #endif | |
2045 | } | |
2046 | ||
2047 | fixup_ptr = fixup_ptr->fx_next; | |
2048 | } | |
2049 | return nrelocs; | |
2050 | } | |
2051 | ||
2052 | #ifdef TE_AUX | |
2053 | ||
2054 | static int compare_external_relocs PARAMS ((const PTR, const PTR)); | |
2055 | ||
f8e42b8c NC |
2056 | /* AUX's ld expects relocations to be sorted. */ |
2057 | ||
252b5132 RH |
2058 | static int |
2059 | compare_external_relocs (x, y) | |
2060 | const PTR x; | |
2061 | const PTR y; | |
2062 | { | |
2063 | struct external_reloc *a = (struct external_reloc *) x; | |
2064 | struct external_reloc *b = (struct external_reloc *) y; | |
2065 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
2066 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
2067 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); | |
2068 | } | |
2069 | ||
2070 | #endif | |
2071 | ||
f8e42b8c NC |
2072 | /* Output all the relocations for a section. */ |
2073 | ||
252b5132 RH |
2074 | void |
2075 | do_relocs_for (abfd, h, file_cursor) | |
2076 | bfd * abfd; | |
2077 | object_headers * h; | |
2078 | unsigned long *file_cursor; | |
2079 | { | |
2080 | unsigned int nrelocs; | |
2081 | unsigned int idx; | |
2082 | unsigned long reloc_start = *file_cursor; | |
2083 | ||
2084 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
2085 | { | |
2086 | if (segment_info[idx].scnhdr.s_name[0]) | |
2087 | { | |
2088 | struct external_reloc *ext_ptr; | |
2089 | struct external_reloc *external_reloc_vec; | |
2090 | unsigned int external_reloc_size; | |
2091 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
2092 | fixS *fix_ptr = segment_info[idx].fix_root; | |
2093 | nrelocs = count_entries_in_chain (idx); | |
2094 | ||
2095 | if (nrelocs) | |
2096 | /* Bypass this stuff if no relocs. This also incidentally | |
2097 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
2098 | { | |
2099 | external_reloc_size = nrelocs * RELSZ; | |
2100 | external_reloc_vec = | |
2101 | (struct external_reloc *) malloc (external_reloc_size); | |
2102 | ||
2103 | ext_ptr = external_reloc_vec; | |
2104 | ||
2105 | /* Fill in the internal coff style reloc struct from the | |
2106 | internal fix list. */ | |
2107 | while (fix_ptr) | |
2108 | { | |
2109 | struct internal_reloc intr; | |
2110 | ||
f8e42b8c | 2111 | /* Only output some of the relocations. */ |
252b5132 RH |
2112 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
2113 | { | |
2114 | #ifdef TC_RELOC_MANGLE | |
2115 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, | |
2116 | base); | |
252b5132 RH |
2117 | #else |
2118 | symbolS *dot; | |
2119 | symbolS *symbol_ptr = fix_ptr->fx_addsy; | |
2120 | ||
2121 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
2122 | intr.r_vaddr = | |
2123 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
2124 | ||
2125 | #ifdef TC_KEEP_FX_OFFSET | |
2126 | intr.r_offset = fix_ptr->fx_offset; | |
2127 | #else | |
2128 | intr.r_offset = 0; | |
2129 | #endif | |
2130 | ||
2131 | while (symbol_ptr->sy_value.X_op == O_symbol | |
2132 | && (! S_IS_DEFINED (symbol_ptr) | |
2133 | || S_IS_COMMON (symbol_ptr))) | |
2134 | { | |
2135 | symbolS *n; | |
2136 | ||
2137 | /* We must avoid looping, as that can occur | |
2138 | with a badly written program. */ | |
2139 | n = symbol_ptr->sy_value.X_add_symbol; | |
2140 | if (n == symbol_ptr) | |
2141 | break; | |
2142 | symbol_ptr = n; | |
2143 | } | |
2144 | ||
2145 | /* Turn the segment of the symbol into an offset. */ | |
2146 | if (symbol_ptr) | |
2147 | { | |
6386f3a7 | 2148 | resolve_symbol_value (symbol_ptr); |
252b5132 RH |
2149 | if (! symbol_ptr->sy_resolved) |
2150 | { | |
2151 | char *file; | |
2152 | unsigned int line; | |
2153 | ||
2154 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
2155 | as_bad_where (file, line, | |
2156 | _("unresolved relocation")); | |
2157 | else | |
2158 | as_bad (_("bad relocation: symbol `%s' not in symbol table"), | |
2159 | S_GET_NAME (symbol_ptr)); | |
2160 | } | |
f8e42b8c | 2161 | |
252b5132 RH |
2162 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
2163 | if (dot) | |
f8e42b8c | 2164 | intr.r_symndx = dot->sy_number; |
252b5132 | 2165 | else |
f8e42b8c | 2166 | intr.r_symndx = symbol_ptr->sy_number; |
252b5132 RH |
2167 | } |
2168 | else | |
f8e42b8c | 2169 | intr.r_symndx = -1; |
252b5132 | 2170 | #endif |
252b5132 RH |
2171 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); |
2172 | ext_ptr++; | |
252b5132 | 2173 | #if defined(TC_A29K) |
252b5132 | 2174 | /* The 29k has a special kludge for the high 16 bit |
aaa2624b | 2175 | reloc. Two relocations are emitted, R_IHIHALF, |
252b5132 RH |
2176 | and R_IHCONST. The second one doesn't contain a |
2177 | symbol, but uses the value for offset. */ | |
252b5132 RH |
2178 | if (intr.r_type == R_IHIHALF) |
2179 | { | |
f8e42b8c | 2180 | /* Now emit the second bit. */ |
252b5132 RH |
2181 | intr.r_type = R_IHCONST; |
2182 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2183 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
2184 | ext_ptr++; | |
2185 | } | |
3b16e843 NC |
2186 | #endif |
2187 | #if defined(TC_OR32) | |
2188 | /* The or32 has a special kludge for the high 16 bit | |
aaa2624b | 2189 | reloc. Two relocations are emitted, R_IHIHALF, |
3b16e843 NC |
2190 | and R_IHCONST. The second one doesn't contain a |
2191 | symbol, but uses the value for offset. */ | |
2192 | if (intr.r_type == R_IHIHALF) | |
2193 | { | |
2194 | /* Now emit the second bit. */ | |
2195 | intr.r_type = R_IHCONST; | |
2196 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2197 | (void) bfd_coff_swap_reloc_out (abfd, & intr, ext_ptr); | |
2198 | ext_ptr ++; | |
2199 | } | |
252b5132 RH |
2200 | #endif |
2201 | } | |
2202 | ||
2203 | fix_ptr = fix_ptr->fx_next; | |
2204 | } | |
252b5132 | 2205 | #ifdef TE_AUX |
f8e42b8c | 2206 | /* Sort the reloc table. */ |
252b5132 RH |
2207 | qsort ((PTR) external_reloc_vec, nrelocs, |
2208 | sizeof (struct external_reloc), compare_external_relocs); | |
2209 | #endif | |
f8e42b8c | 2210 | /* Write out the reloc table. */ |
0e1a166b AM |
2211 | bfd_bwrite ((PTR) external_reloc_vec, |
2212 | (bfd_size_type) external_reloc_size, abfd); | |
252b5132 RH |
2213 | free (external_reloc_vec); |
2214 | ||
2215 | /* Fill in section header info. */ | |
2216 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
2217 | *file_cursor += external_reloc_size; | |
2218 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
2219 | } | |
2220 | else | |
2221 | { | |
f8e42b8c | 2222 | /* No relocs. */ |
252b5132 RH |
2223 | segment_info[idx].scnhdr.s_relptr = 0; |
2224 | } | |
2225 | } | |
2226 | } | |
f8e42b8c NC |
2227 | |
2228 | /* Set relocation_size field in file headers. */ | |
252b5132 RH |
2229 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); |
2230 | } | |
2231 | ||
f8e42b8c | 2232 | /* Run through a frag chain and write out the data to go with it, fill |
aaa2624b | 2233 | in the scnhdrs with the info on the file positions. */ |
f8e42b8c | 2234 | |
252b5132 RH |
2235 | static void |
2236 | fill_section (abfd, h, file_cursor) | |
2237 | bfd * abfd; | |
a04b544b | 2238 | object_headers *h ATTRIBUTE_UNUSED; |
252b5132 RH |
2239 | unsigned long *file_cursor; |
2240 | { | |
252b5132 RH |
2241 | unsigned int i; |
2242 | unsigned int paddr = 0; | |
2243 | ||
2244 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
2245 | { | |
2246 | unsigned int offset = 0; | |
2247 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); | |
2248 | ||
2249 | PROGRESS (1); | |
2250 | ||
2251 | if (s->s_name[0]) | |
2252 | { | |
2253 | fragS *frag = segment_info[i].frchainP->frch_root; | |
ea3b9044 | 2254 | char *buffer = NULL; |
252b5132 RH |
2255 | |
2256 | if (s->s_size == 0) | |
2257 | s->s_scnptr = 0; | |
2258 | else | |
2259 | { | |
2260 | buffer = xmalloc (s->s_size); | |
2261 | s->s_scnptr = *file_cursor; | |
2262 | } | |
2263 | know (s->s_paddr == paddr); | |
2264 | ||
2265 | if (strcmp (s->s_name, ".text") == 0) | |
2266 | s->s_flags |= STYP_TEXT; | |
2267 | else if (strcmp (s->s_name, ".data") == 0) | |
2268 | s->s_flags |= STYP_DATA; | |
2269 | else if (strcmp (s->s_name, ".bss") == 0) | |
2270 | { | |
2271 | s->s_scnptr = 0; | |
2272 | s->s_flags |= STYP_BSS; | |
2273 | ||
2274 | /* @@ Should make the i386 and a29k coff targets define | |
2275 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
2276 | #ifndef TC_I386 | |
2277 | #ifndef TC_A29K | |
3b16e843 | 2278 | #ifndef TC_OR32 |
252b5132 RH |
2279 | #ifndef COFF_NOLOAD_PROBLEM |
2280 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
2281 | mondfe progrem are confused by noload sections. */ | |
2282 | s->s_flags |= STYP_NOLOAD; | |
2283 | #endif | |
2284 | #endif | |
3b16e843 | 2285 | #endif |
252b5132 RH |
2286 | #endif |
2287 | } | |
2288 | else if (strcmp (s->s_name, ".lit") == 0) | |
2289 | s->s_flags = STYP_LIT | STYP_TEXT; | |
2290 | else if (strcmp (s->s_name, ".init") == 0) | |
2291 | s->s_flags |= STYP_TEXT; | |
2292 | else if (strcmp (s->s_name, ".fini") == 0) | |
2293 | s->s_flags |= STYP_TEXT; | |
2294 | else if (strncmp (s->s_name, ".comment", 8) == 0) | |
2295 | s->s_flags |= STYP_INFO; | |
2296 | ||
2297 | while (frag) | |
2298 | { | |
2299 | unsigned int fill_size; | |
2300 | switch (frag->fr_type) | |
2301 | { | |
2302 | case rs_machine_dependent: | |
2303 | if (frag->fr_fix) | |
2304 | { | |
2305 | memcpy (buffer + frag->fr_address, | |
2306 | frag->fr_literal, | |
2307 | (unsigned int) frag->fr_fix); | |
2308 | offset += frag->fr_fix; | |
2309 | } | |
2310 | ||
2311 | break; | |
2312 | case rs_space: | |
252b5132 RH |
2313 | case rs_fill: |
2314 | case rs_align: | |
2315 | case rs_align_code: | |
0a9ef439 | 2316 | case rs_align_test: |
252b5132 RH |
2317 | case rs_org: |
2318 | if (frag->fr_fix) | |
2319 | { | |
2320 | memcpy (buffer + frag->fr_address, | |
2321 | frag->fr_literal, | |
2322 | (unsigned int) frag->fr_fix); | |
2323 | offset += frag->fr_fix; | |
2324 | } | |
2325 | ||
2326 | fill_size = frag->fr_var; | |
2327 | if (fill_size && frag->fr_offset > 0) | |
2328 | { | |
2329 | unsigned int count; | |
2330 | unsigned int off = frag->fr_fix; | |
2331 | for (count = frag->fr_offset; count; count--) | |
2332 | { | |
2333 | if (fill_size + frag->fr_address + off <= s->s_size) | |
2334 | { | |
2335 | memcpy (buffer + frag->fr_address + off, | |
2336 | frag->fr_literal + frag->fr_fix, | |
2337 | fill_size); | |
2338 | off += fill_size; | |
2339 | offset += fill_size; | |
2340 | } | |
2341 | } | |
2342 | } | |
2343 | break; | |
2344 | case rs_broken_word: | |
2345 | break; | |
2346 | default: | |
2347 | abort (); | |
2348 | } | |
2349 | frag = frag->fr_next; | |
2350 | } | |
2351 | ||
2352 | if (s->s_size != 0) | |
2353 | { | |
2354 | if (s->s_scnptr != 0) | |
2355 | { | |
0e1a166b | 2356 | bfd_bwrite (buffer, s->s_size, abfd); |
252b5132 RH |
2357 | *file_cursor += s->s_size; |
2358 | } | |
2359 | free (buffer); | |
2360 | } | |
2361 | paddr += s->s_size; | |
2362 | } | |
2363 | } | |
2364 | } | |
2365 | ||
f8e42b8c | 2366 | /* Coff file generation & utilities. */ |
252b5132 RH |
2367 | |
2368 | static void | |
2369 | coff_header_append (abfd, h) | |
2370 | bfd * abfd; | |
2371 | object_headers * h; | |
2372 | { | |
2373 | unsigned int i; | |
2374 | char buffer[1000]; | |
2375 | char buffero[1000]; | |
2376 | #ifdef COFF_LONG_SECTION_NAMES | |
2377 | unsigned long string_size = 4; | |
2378 | #endif | |
2379 | ||
0e1a166b | 2380 | bfd_seek (abfd, (file_ptr) 0, 0); |
252b5132 RH |
2381 | |
2382 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
2383 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
2384 | H_SET_VERSION_STAMP (h, 0); | |
2385 | H_SET_ENTRY_POINT (h, 0); | |
2386 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
2387 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
2388 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr, | |
2389 | buffero)); | |
2390 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2391 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
2392 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2393 | ||
2394 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
2395 | ||
0e1a166b AM |
2396 | bfd_bwrite (buffer, (bfd_size_type) i, abfd); |
2397 | bfd_bwrite (buffero, (bfd_size_type) H_GET_SIZEOF_OPTIONAL_HEADER (h), abfd); | |
252b5132 RH |
2398 | |
2399 | for (i = SEG_E0; i < SEG_LAST; i++) | |
2400 | { | |
2401 | if (segment_info[i].scnhdr.s_name[0]) | |
2402 | { | |
2403 | unsigned int size; | |
2404 | ||
2405 | #ifdef COFF_LONG_SECTION_NAMES | |
2406 | /* Support long section names as found in PE. This code | |
2407 | must coordinate with that in write_object_file and | |
2408 | w_strings. */ | |
2409 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
2410 | { | |
2411 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
2412 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); | |
2413 | string_size += strlen (segment_info[i].name) + 1; | |
2414 | } | |
2415 | #endif | |
252b5132 RH |
2416 | size = bfd_coff_swap_scnhdr_out (abfd, |
2417 | &(segment_info[i].scnhdr), | |
2418 | buffer); | |
2419 | if (size == 0) | |
2420 | as_bad (_("bfd_coff_swap_scnhdr_out failed")); | |
0e1a166b | 2421 | bfd_bwrite (buffer, (bfd_size_type) size, abfd); |
252b5132 RH |
2422 | } |
2423 | } | |
2424 | } | |
2425 | ||
252b5132 RH |
2426 | char * |
2427 | symbol_to_chars (abfd, where, symbolP) | |
2428 | bfd * abfd; | |
2429 | char *where; | |
2430 | symbolS * symbolP; | |
2431 | { | |
2432 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
2433 | unsigned int i; | |
2434 | valueT val; | |
2435 | ||
f8e42b8c | 2436 | /* Turn any symbols with register attributes into abs symbols. */ |
252b5132 | 2437 | if (S_GET_SEGMENT (symbolP) == reg_section) |
f8e42b8c | 2438 | S_SET_SEGMENT (symbolP, absolute_section); |
252b5132 | 2439 | |
f8e42b8c | 2440 | /* At the same time, relocate all symbols to their output value. */ |
252b5132 RH |
2441 | #ifndef TE_PE |
2442 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
2443 | + S_GET_VALUE (symbolP)); | |
2444 | #else | |
2445 | val = S_GET_VALUE (symbolP); | |
2446 | #endif | |
2447 | ||
2448 | S_SET_VALUE (symbolP, val); | |
2449 | ||
2450 | symbolP->sy_symbol.ost_entry.n_value = val; | |
2451 | ||
2452 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
2453 | where); | |
2454 | ||
2455 | for (i = 0; i < numaux; i++) | |
2456 | { | |
2457 | where += bfd_coff_swap_aux_out (abfd, | |
2458 | &symbolP->sy_symbol.ost_auxent[i], | |
2459 | S_GET_DATA_TYPE (symbolP), | |
2460 | S_GET_STORAGE_CLASS (symbolP), | |
2461 | i, numaux, where); | |
2462 | } | |
252b5132 | 2463 | |
f8e42b8c | 2464 | return where; |
252b5132 RH |
2465 | } |
2466 | ||
2467 | void | |
2468 | coff_obj_symbol_new_hook (symbolP) | |
2469 | symbolS *symbolP; | |
2470 | { | |
f8e42b8c | 2471 | char underscore = 0; /* Symbol has leading _ */ |
252b5132 | 2472 | |
f8e42b8c | 2473 | /* Effective symbol. */ |
dcd619be | 2474 | /* Store the pointer in the offset. */ |
252b5132 RH |
2475 | S_SET_ZEROES (symbolP, 0L); |
2476 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
2477 | S_SET_STORAGE_CLASS (symbolP, 0); | |
2478 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
f8e42b8c | 2479 | /* Additional information. */ |
252b5132 | 2480 | symbolP->sy_symbol.ost_flags = 0; |
f8e42b8c | 2481 | /* Auxiliary entries. */ |
252b5132 RH |
2482 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); |
2483 | ||
2484 | if (S_IS_STRING (symbolP)) | |
2485 | SF_SET_STRING (symbolP); | |
2486 | if (!underscore && S_IS_LOCAL (symbolP)) | |
2487 | SF_SET_LOCAL (symbolP); | |
2488 | } | |
2489 | ||
f8e42b8c | 2490 | /* Handle .ln directives. */ |
252b5132 RH |
2491 | |
2492 | static void | |
2493 | obj_coff_ln (appline) | |
2494 | int appline; | |
2495 | { | |
2496 | int l; | |
2497 | ||
2498 | if (! appline && def_symbol_in_progress != NULL) | |
2499 | { | |
f8e42b8c | 2500 | /* Wrong context. */ |
252b5132 RH |
2501 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
2502 | demand_empty_rest_of_line (); | |
2503 | return; | |
f8e42b8c | 2504 | } |
252b5132 RH |
2505 | |
2506 | l = get_absolute_expression (); | |
2507 | c_line_new (0, frag_now_fix (), l, frag_now); | |
2508 | ||
2509 | if (appline) | |
2510 | new_logical_line ((char *) NULL, l - 1); | |
2511 | ||
2512 | #ifndef NO_LISTING | |
2513 | { | |
2514 | extern int listing; | |
2515 | ||
2516 | if (listing) | |
2517 | { | |
2518 | if (! appline) | |
2519 | l += line_base - 1; | |
2520 | listing_source_line ((unsigned int) l); | |
2521 | } | |
2522 | ||
2523 | } | |
2524 | #endif | |
2525 | demand_empty_rest_of_line (); | |
2526 | } | |
2527 | ||
f8e42b8c NC |
2528 | /* Handle .def directives. |
2529 | ||
2530 | One might ask : why can't we symbol_new if the symbol does not | |
2531 | already exist and fill it with debug information. Because of | |
2532 | the C_EFCN special symbol. It would clobber the value of the | |
2533 | function symbol before we have a chance to notice that it is | |
2534 | a C_EFCN. And a second reason is that the code is more clear this | |
2535 | way. (at least I think it is :-). */ | |
252b5132 RH |
2536 | |
2537 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2538 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
2539 | *input_line_pointer == '\t') \ | |
2540 | input_line_pointer++; | |
2541 | ||
2542 | static void | |
2543 | obj_coff_def (what) | |
a04b544b | 2544 | int what ATTRIBUTE_UNUSED; |
252b5132 | 2545 | { |
f8e42b8c NC |
2546 | char name_end; /* Char after the end of name. */ |
2547 | char *symbol_name; /* Name of the debug symbol. */ | |
2548 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
2549 | unsigned int symbol_name_length; |
2550 | ||
2551 | if (def_symbol_in_progress != NULL) | |
2552 | { | |
2553 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
2554 | demand_empty_rest_of_line (); | |
2555 | return; | |
f8e42b8c | 2556 | } |
252b5132 RH |
2557 | |
2558 | SKIP_WHITESPACES (); | |
2559 | ||
2560 | def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); | |
2561 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); | |
2562 | ||
2563 | symbol_name = input_line_pointer; | |
2564 | name_end = get_symbol_end (); | |
2565 | symbol_name_length = strlen (symbol_name); | |
2566 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2567 | strcpy (symbol_name_copy, symbol_name); | |
2568 | #ifdef tc_canonicalize_symbol_name | |
2569 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
2570 | #endif | |
2571 | ||
f8e42b8c | 2572 | /* Initialize the new symbol. */ |
252b5132 RH |
2573 | #ifdef STRIP_UNDERSCORE |
2574 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2575 | ? symbol_name_copy + 1 | |
2576 | : symbol_name_copy)); | |
2577 | #else /* STRIP_UNDERSCORE */ | |
2578 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2579 | #endif /* STRIP_UNDERSCORE */ | |
2580 | /* free(symbol_name_copy); */ | |
2581 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2582 | def_symbol_in_progress->sy_number = ~0; | |
2583 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2584 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2585 | ||
2586 | if (S_IS_STRING (def_symbol_in_progress)) | |
2587 | SF_SET_STRING (def_symbol_in_progress); | |
2588 | ||
2589 | *input_line_pointer = name_end; | |
2590 | ||
2591 | demand_empty_rest_of_line (); | |
2592 | } | |
2593 | ||
2594 | unsigned int dim_index; | |
2595 | ||
252b5132 RH |
2596 | static void |
2597 | obj_coff_endef (ignore) | |
a04b544b | 2598 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2599 | { |
2600 | symbolS *symbolP = 0; | |
2601 | /* DIM BUG FIX sac@cygnus.com */ | |
2602 | dim_index = 0; | |
2603 | if (def_symbol_in_progress == NULL) | |
2604 | { | |
2605 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
2606 | demand_empty_rest_of_line (); | |
2607 | return; | |
f8e42b8c | 2608 | } |
252b5132 | 2609 | |
dcd619be | 2610 | /* Set the section number according to storage class. */ |
252b5132 RH |
2611 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
2612 | { | |
2613 | case C_STRTAG: | |
2614 | case C_ENTAG: | |
2615 | case C_UNTAG: | |
2616 | SF_SET_TAG (def_symbol_in_progress); | |
f8e42b8c NC |
2617 | /* Intentional fallthrough. */ |
2618 | ||
252b5132 RH |
2619 | case C_FILE: |
2620 | case C_TPDEF: | |
2621 | SF_SET_DEBUG (def_symbol_in_progress); | |
2622 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2623 | break; | |
2624 | ||
2625 | case C_EFCN: | |
f8e42b8c NC |
2626 | /* Do not emit this symbol. */ |
2627 | SF_SET_LOCAL (def_symbol_in_progress); | |
2628 | /* Intentional fallthrough. */ | |
2629 | ||
252b5132 | 2630 | case C_BLOCK: |
f8e42b8c NC |
2631 | /* Will need processing before writing. */ |
2632 | SF_SET_PROCESS (def_symbol_in_progress); | |
2633 | /* Intentional fallthrough. */ | |
2634 | ||
252b5132 RH |
2635 | case C_FCN: |
2636 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2637 | ||
2638 | if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0) | |
2639 | { /* .bf */ | |
2640 | if (function_lineoff < 0) | |
f8e42b8c NC |
2641 | fprintf (stderr, _("`.bf' symbol without preceding function\n")); |
2642 | ||
252b5132 RH |
2643 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; |
2644 | ||
2645 | SF_SET_PROCESS (last_line_symbol); | |
2646 | SF_SET_ADJ_LNNOPTR (last_line_symbol); | |
2647 | SF_SET_PROCESS (def_symbol_in_progress); | |
2648 | function_lineoff = -1; | |
2649 | } | |
f8e42b8c | 2650 | |
dcd619be | 2651 | /* Value is always set to . */ |
252b5132 RH |
2652 | def_symbol_in_progress->sy_frag = frag_now; |
2653 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2654 | break; | |
2655 | ||
2656 | #ifdef C_AUTOARG | |
2657 | case C_AUTOARG: | |
2658 | #endif /* C_AUTOARG */ | |
2659 | case C_AUTO: | |
2660 | case C_REG: | |
2661 | case C_MOS: | |
2662 | case C_MOE: | |
2663 | case C_MOU: | |
2664 | case C_ARG: | |
2665 | case C_REGPARM: | |
2666 | case C_FIELD: | |
2667 | case C_EOS: | |
2668 | SF_SET_DEBUG (def_symbol_in_progress); | |
2669 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2670 | break; | |
2671 | ||
2672 | case C_EXT: | |
2673 | case C_WEAKEXT: | |
2674 | #ifdef TE_PE | |
2675 | case C_NT_WEAK: | |
2676 | #endif | |
2677 | case C_STAT: | |
2678 | case C_LABEL: | |
f8e42b8c | 2679 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
2680 | break; |
2681 | ||
2682 | case C_USTATIC: | |
2683 | case C_EXTDEF: | |
2684 | case C_ULABEL: | |
2685 | as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2686 | break; | |
f8e42b8c | 2687 | } |
252b5132 RH |
2688 | |
2689 | /* Now that we have built a debug symbol, try to find if we should | |
2690 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2691 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2692 | don't merge labels, which are in a different namespace, nor | |
2693 | symbols which have not yet been defined since they are typically | |
2694 | unique, nor do we merge tags with non-tags. */ | |
2695 | ||
2696 | /* Two cases for functions. Either debug followed by definition or | |
2697 | definition followed by debug. For definition first, we will | |
2698 | merge the debug symbol into the definition. For debug first, the | |
2699 | lineno entry MUST point to the definition function or else it | |
2700 | will point off into space when crawl_symbols() merges the debug | |
2701 | symbol into the real symbol. Therefor, let's presume the debug | |
dcd619be | 2702 | symbol is a real function reference. */ |
252b5132 RH |
2703 | |
2704 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2705 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 2706 | time. */ |
252b5132 RH |
2707 | |
2708 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2709 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2710 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2711 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2712 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2713 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2714 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2715 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2716 | { | |
2717 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2718 | &symbol_lastP); | |
2719 | } | |
2720 | else | |
2721 | { | |
2722 | /* This symbol already exists, merge the newly created symbol | |
2723 | into the old one. This is not mandatory. The linker can | |
2724 | handle duplicate symbols correctly. But I guess that it save | |
2725 | a *lot* of space if the assembly file defines a lot of | |
2726 | symbols. [loic] */ | |
2727 | ||
2728 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2729 | previous definition. */ | |
2730 | ||
2731 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
dcd619be | 2732 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ |
252b5132 RH |
2733 | def_symbol_in_progress = symbolP; |
2734 | ||
2735 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
2736 | || SF_GET_TAG (def_symbol_in_progress) | |
2737 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2738 | { | |
2739 | /* For functions, and tags, and static symbols, the symbol | |
2740 | *must* be where the debug symbol appears. Move the | |
dcd619be | 2741 | existing symbol to the current place. */ |
f8e42b8c | 2742 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
2743 | if (def_symbol_in_progress != symbol_lastP) |
2744 | { | |
2745 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2746 | &symbol_lastP); | |
2747 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2748 | &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
2749 | } |
2750 | } | |
2751 | } | |
252b5132 RH |
2752 | |
2753 | if (SF_GET_TAG (def_symbol_in_progress)) | |
2754 | { | |
2755 | symbolS *oldtag; | |
2756 | ||
2757 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
2758 | DO_NOT_STRIP); | |
2759 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
2760 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2761 | def_symbol_in_progress); | |
2762 | } | |
2763 | ||
2764 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2765 | { | |
2766 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2767 | function_lineoff | |
2768 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2769 | ||
2770 | SF_SET_PROCESS (def_symbol_in_progress); | |
2771 | ||
2772 | if (symbolP == NULL) | |
2773 | { | |
2774 | /* That is, if this is the first time we've seen the | |
dcd619be | 2775 | function... */ |
252b5132 | 2776 | symbol_table_insert (def_symbol_in_progress); |
f8e42b8c NC |
2777 | } |
2778 | } | |
252b5132 RH |
2779 | |
2780 | def_symbol_in_progress = NULL; | |
2781 | demand_empty_rest_of_line (); | |
2782 | } | |
2783 | ||
2784 | static void | |
2785 | obj_coff_dim (ignore) | |
a04b544b | 2786 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2787 | { |
2788 | int dim_index; | |
2789 | ||
2790 | if (def_symbol_in_progress == NULL) | |
2791 | { | |
2792 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
2793 | demand_empty_rest_of_line (); | |
2794 | return; | |
f8e42b8c | 2795 | } |
252b5132 RH |
2796 | |
2797 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2798 | ||
2799 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2800 | { | |
2801 | SKIP_WHITESPACES (); | |
2802 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2803 | get_absolute_expression ()); | |
2804 | ||
2805 | switch (*input_line_pointer) | |
2806 | { | |
2807 | case ',': | |
2808 | input_line_pointer++; | |
2809 | break; | |
2810 | ||
2811 | default: | |
2812 | as_warn (_("badly formed .dim directive ignored")); | |
f8e42b8c NC |
2813 | /* Intentional fallthrough. */ |
2814 | ||
252b5132 RH |
2815 | case '\n': |
2816 | case ';': | |
2817 | dim_index = DIMNUM; | |
2818 | break; | |
2819 | } | |
2820 | } | |
2821 | ||
2822 | demand_empty_rest_of_line (); | |
2823 | } | |
2824 | ||
2825 | static void | |
2826 | obj_coff_line (ignore) | |
a04b544b | 2827 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2828 | { |
2829 | int this_base; | |
2830 | const char *name; | |
2831 | ||
2832 | if (def_symbol_in_progress == NULL) | |
2833 | { | |
2834 | obj_coff_ln (0); | |
2835 | return; | |
2836 | } | |
2837 | ||
2838 | name = S_GET_NAME (def_symbol_in_progress); | |
2839 | this_base = get_absolute_expression (); | |
2840 | ||
2841 | /* Only .bf symbols indicate the use of a new base line number; the | |
2842 | line numbers associated with .ef, .bb, .eb are relative to the | |
2843 | start of the containing function. */ | |
2844 | if (!strcmp (".bf", name)) | |
2845 | { | |
f8e42b8c | 2846 | line_base = this_base; |
252b5132 RH |
2847 | |
2848 | #ifndef NO_LISTING | |
2849 | { | |
2850 | extern int listing; | |
2851 | if (listing) | |
f8e42b8c | 2852 | listing_source_line ((unsigned int) line_base); |
252b5132 RH |
2853 | } |
2854 | #endif | |
2855 | } | |
2856 | ||
2857 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2858 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2859 | ||
2860 | demand_empty_rest_of_line (); | |
2861 | } | |
2862 | ||
2863 | static void | |
2864 | obj_coff_size (ignore) | |
a04b544b | 2865 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2866 | { |
2867 | if (def_symbol_in_progress == NULL) | |
2868 | { | |
2869 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
2870 | demand_empty_rest_of_line (); | |
2871 | return; | |
f8e42b8c | 2872 | } |
252b5132 RH |
2873 | |
2874 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2875 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2876 | demand_empty_rest_of_line (); | |
2877 | } | |
2878 | ||
2879 | static void | |
2880 | obj_coff_scl (ignore) | |
a04b544b | 2881 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2882 | { |
2883 | if (def_symbol_in_progress == NULL) | |
2884 | { | |
2885 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
2886 | demand_empty_rest_of_line (); | |
2887 | return; | |
f8e42b8c | 2888 | } |
252b5132 RH |
2889 | |
2890 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2891 | demand_empty_rest_of_line (); | |
2892 | } | |
2893 | ||
2894 | static void | |
2895 | obj_coff_tag (ignore) | |
a04b544b | 2896 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2897 | { |
2898 | char *symbol_name; | |
2899 | char name_end; | |
2900 | ||
2901 | if (def_symbol_in_progress == NULL) | |
2902 | { | |
2903 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
2904 | demand_empty_rest_of_line (); | |
2905 | return; | |
2906 | } | |
2907 | ||
2908 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2909 | symbol_name = input_line_pointer; | |
2910 | name_end = get_symbol_end (); | |
2911 | #ifdef tc_canonicalize_symbol_name | |
2912 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2913 | #endif | |
2914 | ||
2915 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 2916 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
2917 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
2918 | (long) tag_find_or_make (symbol_name)); | |
2919 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
f8e42b8c | 2920 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
2921 | |
2922 | SF_SET_TAGGED (def_symbol_in_progress); | |
2923 | *input_line_pointer = name_end; | |
2924 | ||
2925 | demand_empty_rest_of_line (); | |
2926 | } | |
2927 | ||
2928 | static void | |
2929 | obj_coff_type (ignore) | |
a04b544b | 2930 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2931 | { |
2932 | if (def_symbol_in_progress == NULL) | |
2933 | { | |
2934 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
2935 | demand_empty_rest_of_line (); | |
2936 | return; | |
f8e42b8c | 2937 | } |
252b5132 RH |
2938 | |
2939 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2940 | ||
2941 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2942 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
f8e42b8c | 2943 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
2944 | |
2945 | demand_empty_rest_of_line (); | |
2946 | } | |
2947 | ||
2948 | static void | |
2949 | obj_coff_val (ignore) | |
a04b544b | 2950 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
2951 | { |
2952 | if (def_symbol_in_progress == NULL) | |
2953 | { | |
2954 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
2955 | demand_empty_rest_of_line (); | |
2956 | return; | |
f8e42b8c | 2957 | } |
252b5132 RH |
2958 | |
2959 | if (is_name_beginner (*input_line_pointer)) | |
2960 | { | |
2961 | char *symbol_name = input_line_pointer; | |
2962 | char name_end = get_symbol_end (); | |
2963 | ||
2964 | #ifdef tc_canonicalize_symbol_name | |
2965 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2966 | #endif | |
2967 | ||
2968 | if (!strcmp (symbol_name, ".")) | |
2969 | { | |
2970 | def_symbol_in_progress->sy_frag = frag_now; | |
2971 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
f8e42b8c | 2972 | /* If the .val is != from the .def (e.g. statics). */ |
252b5132 RH |
2973 | } |
2974 | else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name)) | |
2975 | { | |
2976 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2977 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2978 | symbol_find_or_make (symbol_name); | |
2979 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2980 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2981 | ||
2982 | /* If the segment is undefined when the forward reference is | |
2983 | resolved, then copy the segment id from the forward | |
2984 | symbol. */ | |
2985 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2986 | ||
0561a208 ILT |
2987 | /* FIXME: gcc can generate address expressions here in |
2988 | unusual cases (search for "obscure" in sdbout.c). We | |
2989 | just ignore the offset here, thus generating incorrect | |
2990 | debugging information. We ignore the rest of the line | |
2991 | just below. */ | |
252b5132 RH |
2992 | } |
2993 | /* Otherwise, it is the name of a non debug symbol and | |
dcd619be | 2994 | its value will be calculated later. */ |
252b5132 RH |
2995 | *input_line_pointer = name_end; |
2996 | ||
2997 | /* FIXME: this is to avoid an error message in the | |
2998 | FIXME case mentioned just above. */ | |
2999 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3000 | ++input_line_pointer; | |
3001 | } | |
3002 | else | |
3003 | { | |
3004 | S_SET_VALUE (def_symbol_in_progress, | |
3005 | (valueT) get_absolute_expression ()); | |
3006 | } /* if symbol based */ | |
3007 | ||
3008 | demand_empty_rest_of_line (); | |
3009 | } | |
3010 | ||
3011 | #ifdef TE_PE | |
3012 | ||
3013 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
3014 | read.c, which then calls this object file format specific routine. */ | |
3015 | ||
3016 | void | |
3017 | obj_coff_pe_handle_link_once (type) | |
3018 | enum linkonce_type type; | |
3019 | { | |
3020 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
3021 | ||
3022 | /* We store the type in the seg_info structure, and use it to set up | |
3023 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
3024 | seg_info (now_seg)->linkonce = type; | |
3025 | } | |
3026 | ||
3027 | #endif /* TE_PE */ | |
3028 | ||
3029 | void | |
3030 | coff_obj_read_begin_hook () | |
3031 | { | |
dcd619be | 3032 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
3033 | #ifndef BFD_HEADERS |
3034 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
3035 | know (SYMESZ == AUXESZ); | |
3036 | #endif | |
3037 | tag_init (); | |
3038 | } | |
3039 | ||
3040 | /* This function runs through the symbol table and puts all the | |
f8e42b8c | 3041 | externals onto another chain. */ |
252b5132 RH |
3042 | |
3043 | /* The chain of globals. */ | |
3044 | symbolS *symbol_globalP; | |
3045 | symbolS *symbol_global_lastP; | |
3046 | ||
f8e42b8c | 3047 | /* The chain of externals. */ |
252b5132 RH |
3048 | symbolS *symbol_externP; |
3049 | symbolS *symbol_extern_lastP; | |
3050 | ||
3051 | stack *block_stack; | |
3052 | symbolS *last_functionP; | |
3053 | static symbolS *last_bfP; | |
3054 | symbolS *last_tagP; | |
3055 | ||
3056 | static unsigned int | |
3057 | yank_symbols () | |
3058 | { | |
3059 | symbolS *symbolP; | |
3060 | unsigned int symbol_number = 0; | |
3061 | unsigned int last_file_symno = 0; | |
3062 | ||
3063 | struct filename_list *filename_list_scan = filename_list_head; | |
3064 | ||
3065 | for (symbolP = symbol_rootP; | |
3066 | symbolP; | |
3067 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
3068 | { | |
3069 | if (symbolP->sy_mri_common) | |
3070 | { | |
3071 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3072 | #ifdef TE_PE | |
3073 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3074 | #endif | |
3075 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT) | |
3076 | as_bad (_("%s: global symbols not supported in common sections"), | |
3077 | S_GET_NAME (symbolP)); | |
3078 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3079 | continue; | |
3080 | } | |
3081 | ||
3082 | if (!SF_GET_DEBUG (symbolP)) | |
3083 | { | |
f8e42b8c | 3084 | /* Debug symbols do not need all this rubbish. */ |
252b5132 RH |
3085 | symbolS *real_symbolP; |
3086 | ||
dcd619be | 3087 | /* L* and C_EFCN symbols never merge. */ |
252b5132 RH |
3088 | if (!SF_GET_LOCAL (symbolP) |
3089 | && !SF_GET_STATICS (symbolP) | |
3090 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL | |
3091 | && symbolP->sy_value.X_op == O_constant | |
3092 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
3093 | && real_symbolP != symbolP) | |
3094 | { | |
3095 | /* FIXME-SOON: where do dups come from? | |
dcd619be | 3096 | Maybe tag references before definitions? xoxorich. */ |
252b5132 | 3097 | /* Move the debug data from the debug symbol to the |
aaa2624b | 3098 | real symbol. Do NOT do the opposite (i.e. move from |
252b5132 RH |
3099 | real symbol to debug symbol and remove real symbol from the |
3100 | list.) Because some pointers refer to the real symbol | |
dcd619be | 3101 | whereas no pointers refer to the debug symbol. */ |
252b5132 | 3102 | c_symbol_merge (symbolP, real_symbolP); |
f8e42b8c | 3103 | /* Replace the current symbol by the real one. */ |
252b5132 RH |
3104 | /* The symbols will never be the last or the first |
3105 | because : 1st symbol is .file and 3 last symbols are | |
f8e42b8c | 3106 | .text, .data, .bss. */ |
252b5132 RH |
3107 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); |
3108 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
3109 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3110 | symbolP = real_symbolP; | |
f8e42b8c | 3111 | } |
252b5132 RH |
3112 | |
3113 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) | |
f8e42b8c | 3114 | S_SET_SEGMENT (symbolP, SEG_E0); |
252b5132 | 3115 | |
6386f3a7 | 3116 | resolve_symbol_value (symbolP); |
252b5132 RH |
3117 | |
3118 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
3119 | { | |
3120 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
3121 | { | |
3122 | S_SET_EXTERNAL (symbolP); | |
3123 | } | |
f8e42b8c | 3124 | |
252b5132 | 3125 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) |
f8e42b8c NC |
3126 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); |
3127 | ||
252b5132 | 3128 | else |
f8e42b8c | 3129 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
252b5132 RH |
3130 | } |
3131 | ||
f8e42b8c | 3132 | /* Mainly to speed up if not -g. */ |
252b5132 RH |
3133 | if (SF_GET_PROCESS (symbolP)) |
3134 | { | |
dcd619be | 3135 | /* Handle the nested blocks auxiliary info. */ |
252b5132 RH |
3136 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) |
3137 | { | |
3138 | if (!strcmp (S_GET_NAME (symbolP), ".bb")) | |
3139 | stack_push (block_stack, (char *) &symbolP); | |
3140 | else | |
f8e42b8c NC |
3141 | { |
3142 | /* .eb */ | |
3143 | symbolS *begin_symbolP; | |
3144 | ||
252b5132 RH |
3145 | begin_symbolP = *(symbolS **) stack_pop (block_stack); |
3146 | if (begin_symbolP == (symbolS *) 0) | |
3147 | as_warn (_("mismatched .eb")); | |
3148 | else | |
3149 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
3150 | } | |
3151 | } | |
3152 | /* If we are able to identify the type of a function, and we | |
3153 | are out of a function (last_functionP == 0) then, the | |
3154 | function symbol will be associated with an auxiliary | |
dcd619be | 3155 | entry. */ |
252b5132 RH |
3156 | if (last_functionP == (symbolS *) 0 && |
3157 | SF_GET_FUNCTION (symbolP)) | |
3158 | { | |
3159 | last_functionP = symbolP; | |
3160 | ||
3161 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
f8e42b8c | 3162 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
252b5132 RH |
3163 | } |
3164 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) | |
3165 | { | |
3166 | if (strcmp (S_GET_NAME (symbolP), ".bf") == 0) | |
3167 | { | |
3168 | if (last_bfP != NULL) | |
3169 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
3170 | last_bfP = symbolP; | |
3171 | } | |
3172 | } | |
3173 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
3174 | { | |
3175 | /* I don't even know if this is needed for sdb. But | |
3176 | the standard assembler generates it, so... */ | |
3177 | if (last_functionP == (symbolS *) 0) | |
3178 | as_fatal (_("C_EFCN symbol out of scope")); | |
3179 | SA_SET_SYM_FSIZE (last_functionP, | |
3180 | (long) (S_GET_VALUE (symbolP) - | |
3181 | S_GET_VALUE (last_functionP))); | |
3182 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
3183 | last_functionP = (symbolS *) 0; | |
3184 | } | |
3185 | } | |
3186 | } | |
3187 | else if (SF_GET_TAG (symbolP)) | |
3188 | { | |
3189 | /* First descriptor of a structure must point to | |
f8e42b8c | 3190 | the first slot after the structure description. */ |
252b5132 RH |
3191 | last_tagP = symbolP; |
3192 | ||
3193 | } | |
3194 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) | |
3195 | { | |
f8e42b8c | 3196 | /* +2 take in account the current symbol. */ |
252b5132 RH |
3197 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); |
3198 | } | |
3199 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) | |
3200 | { | |
3201 | /* If the filename was too long to fit in the | |
f8e42b8c | 3202 | auxent, put it in the string table. */ |
252b5132 RH |
3203 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
3204 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3205 | { | |
3206 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
3207 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
3208 | filename_list_scan = filename_list_scan->next; | |
3209 | } | |
3210 | if (S_GET_VALUE (symbolP)) | |
3211 | { | |
3212 | S_SET_VALUE (symbolP, last_file_symno); | |
3213 | last_file_symno = symbol_number; | |
f8e42b8c NC |
3214 | } |
3215 | } | |
252b5132 RH |
3216 | |
3217 | #ifdef tc_frob_coff_symbol | |
3218 | tc_frob_coff_symbol (symbolP); | |
3219 | #endif | |
3220 | ||
3221 | /* We must put the external symbols apart. The loader | |
3222 | does not bomb if we do not. But the references in | |
3223 | the endndx field for a .bb symbol are not corrected | |
3224 | if an external symbol is removed between .bb and .be. | |
3225 | I.e in the following case : | |
3226 | [20] .bb endndx = 22 | |
3227 | [21] foo external | |
3228 | [22] .be | |
3229 | ld will move the symbol 21 to the end of the list but | |
dcd619be | 3230 | endndx will still be 22 instead of 21. */ |
252b5132 RH |
3231 | |
3232 | if (SF_GET_LOCAL (symbolP)) | |
3233 | { | |
f8e42b8c NC |
3234 | /* Remove C_EFCN and LOCAL (L...) symbols. */ |
3235 | /* Next pointer remains valid. */ | |
252b5132 RH |
3236 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3237 | ||
3238 | } | |
3239 | else if (symbolP->sy_value.X_op == O_symbol | |
3240 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
3241 | { | |
3242 | /* Skip symbols which were equated to undefined or common | |
3243 | symbols. */ | |
3244 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3245 | } | |
3246 | else if (!S_IS_DEFINED (symbolP) | |
3247 | && !S_IS_DEBUG (symbolP) | |
3248 | && !SF_GET_STATICS (symbolP) | |
3249 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3250 | #ifdef TE_PE | |
3251 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3252 | #endif | |
3253 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)) | |
3254 | { | |
f8e42b8c | 3255 | /* If external, Remove from the list. */ |
252b5132 RH |
3256 | symbolS *hold = symbol_previous (symbolP); |
3257 | ||
3258 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3259 | symbol_clear_list_pointers (symbolP); | |
3260 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
3261 | symbolP = hold; | |
3262 | } | |
3263 | else if (! S_IS_DEBUG (symbolP) | |
3264 | && ! SF_GET_STATICS (symbolP) | |
3265 | && ! SF_GET_FUNCTION (symbolP) | |
3266 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3267 | #ifdef TE_PE | |
3268 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3269 | #endif | |
3270 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK)) | |
3271 | { | |
3272 | symbolS *hold = symbol_previous (symbolP); | |
3273 | ||
3274 | /* The O'Reilly COFF book says that defined global symbols | |
3275 | come at the end of the symbol table, just before | |
3276 | undefined global symbols. */ | |
252b5132 RH |
3277 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3278 | symbol_clear_list_pointers (symbolP); | |
3279 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
3280 | &symbol_global_lastP); | |
3281 | symbolP = hold; | |
3282 | } | |
3283 | else | |
3284 | { | |
3285 | if (SF_GET_STRING (symbolP)) | |
3286 | { | |
3287 | symbolP->sy_name_offset = string_byte_count; | |
3288 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
3289 | } | |
3290 | else | |
3291 | { | |
3292 | symbolP->sy_name_offset = 0; | |
f8e42b8c | 3293 | } |
252b5132 RH |
3294 | |
3295 | symbolP->sy_number = symbol_number; | |
3296 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
f8e42b8c NC |
3297 | } |
3298 | } | |
252b5132 | 3299 | |
f8e42b8c | 3300 | return symbol_number; |
252b5132 RH |
3301 | } |
3302 | ||
252b5132 RH |
3303 | static unsigned int |
3304 | glue_symbols (head, tail) | |
3305 | symbolS **head; | |
3306 | symbolS **tail; | |
3307 | { | |
3308 | unsigned int symbol_number = 0; | |
3309 | ||
3310 | while (*head != NULL) | |
3311 | { | |
3312 | symbolS *tmp = *head; | |
3313 | ||
f8e42b8c | 3314 | /* Append. */ |
252b5132 RH |
3315 | symbol_remove (tmp, head, tail); |
3316 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
3317 | ||
f8e42b8c | 3318 | /* Process. */ |
252b5132 RH |
3319 | if (SF_GET_STRING (tmp)) |
3320 | { | |
3321 | tmp->sy_name_offset = string_byte_count; | |
3322 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
3323 | } | |
3324 | else | |
3325 | { | |
f8e42b8c | 3326 | /* Fix "long" names. */ |
252b5132 | 3327 | tmp->sy_name_offset = 0; |
f8e42b8c | 3328 | } |
252b5132 RH |
3329 | |
3330 | tmp->sy_number = symbol_number; | |
3331 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
f8e42b8c | 3332 | } |
252b5132 RH |
3333 | |
3334 | return symbol_number; | |
3335 | } | |
3336 | ||
3337 | static unsigned int | |
3338 | tie_tags () | |
3339 | { | |
3340 | unsigned int symbol_number = 0; | |
3341 | symbolS *symbolP; | |
3342 | ||
3343 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3344 | { | |
3345 | symbolP->sy_number = symbol_number; | |
3346 | ||
3347 | if (SF_GET_TAGGED (symbolP)) | |
3348 | { | |
3349 | SA_SET_SYM_TAGNDX | |
3350 | (symbolP, | |
3351 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
3352 | } | |
3353 | ||
3354 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
3355 | } | |
3356 | ||
3357 | return symbol_number; | |
3358 | } | |
3359 | ||
f8e42b8c | 3360 | |
252b5132 RH |
3361 | static void |
3362 | crawl_symbols (h, abfd) | |
3363 | object_headers *h; | |
a04b544b | 3364 | bfd *abfd ATTRIBUTE_UNUSED; |
252b5132 RH |
3365 | { |
3366 | unsigned int i; | |
3367 | ||
f8e42b8c | 3368 | /* Initialize the stack used to keep track of the matching .bb .be. */ |
252b5132 RH |
3369 | |
3370 | block_stack = stack_init (512, sizeof (symbolS *)); | |
3371 | ||
3372 | /* The symbol list should be ordered according to the following sequence | |
f8e42b8c NC |
3373 | order : |
3374 | . .file symbol | |
3375 | . debug entries for functions | |
3376 | . fake symbols for the sections, including .text .data and .bss | |
3377 | . defined symbols | |
3378 | . undefined symbols | |
3379 | But this is not mandatory. The only important point is to put the | |
3380 | undefined symbols at the end of the list. */ | |
252b5132 | 3381 | |
dcd619be | 3382 | /* Is there a .file symbol ? If not insert one at the beginning. */ |
252b5132 RH |
3383 | if (symbol_rootP == NULL |
3384 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
a4528eeb | 3385 | c_dot_file_symbol ("fake", 0); |
252b5132 | 3386 | |
f8e42b8c | 3387 | /* Build up static symbols for the sections, they are filled in later. */ |
252b5132 | 3388 | |
252b5132 RH |
3389 | for (i = SEG_E0; i < SEG_LAST; i++) |
3390 | if (segment_info[i].scnhdr.s_name[0]) | |
f8e42b8c | 3391 | segment_info[i].dot = c_section_symbol ((char *) segment_info[i].name, |
252b5132 RH |
3392 | i - SEG_E0 + 1); |
3393 | ||
f8e42b8c | 3394 | /* Take all the externals out and put them into another chain. */ |
252b5132 | 3395 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); |
f8e42b8c | 3396 | /* Take the externals and glue them onto the end. */ |
252b5132 RH |
3397 | H_SET_SYMBOL_TABLE_SIZE (h, |
3398 | (H_GET_SYMBOL_COUNT (h) | |
3399 | + glue_symbols (&symbol_globalP, | |
3400 | &symbol_global_lastP) | |
3401 | + glue_symbols (&symbol_externP, | |
3402 | &symbol_extern_lastP))); | |
3403 | ||
3404 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
3405 | know (symbol_globalP == NULL); | |
3406 | know (symbol_global_lastP == NULL); | |
3407 | know (symbol_externP == NULL); | |
3408 | know (symbol_extern_lastP == NULL); | |
3409 | } | |
3410 | ||
f8e42b8c | 3411 | /* Find strings by crawling along symbol table chain. */ |
252b5132 RH |
3412 | |
3413 | void | |
3414 | w_strings (where) | |
3415 | char *where; | |
3416 | { | |
3417 | symbolS *symbolP; | |
3418 | struct filename_list *filename_list_scan = filename_list_head; | |
3419 | ||
f8e42b8c | 3420 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK. */ |
252b5132 RH |
3421 | md_number_to_chars (where, (valueT) string_byte_count, 4); |
3422 | where += 4; | |
3423 | ||
3424 | #ifdef COFF_LONG_SECTION_NAMES | |
3425 | /* Support long section names as found in PE. This code must | |
3426 | coordinate with that in coff_header_append and write_object_file. */ | |
3427 | { | |
3428 | unsigned int i; | |
3429 | ||
3430 | for (i = SEG_E0; i < SEG_LAST; i++) | |
3431 | { | |
3432 | if (segment_info[i].scnhdr.s_name[0] | |
3433 | && strlen (segment_info[i].name) > SCNNMLEN) | |
3434 | { | |
3435 | unsigned int size; | |
3436 | ||
3437 | size = strlen (segment_info[i].name) + 1; | |
3438 | memcpy (where, segment_info[i].name, size); | |
3439 | where += size; | |
3440 | } | |
3441 | } | |
3442 | } | |
3443 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3444 | ||
3445 | for (symbolP = symbol_rootP; | |
3446 | symbolP; | |
3447 | symbolP = symbol_next (symbolP)) | |
3448 | { | |
3449 | unsigned int size; | |
3450 | ||
3451 | if (SF_GET_STRING (symbolP)) | |
3452 | { | |
3453 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
3454 | memcpy (where, S_GET_NAME (symbolP), size); | |
3455 | where += size; | |
3456 | } | |
3457 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
3458 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 | |
3459 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3460 | { | |
3461 | size = strlen (filename_list_scan->filename) + 1; | |
3462 | memcpy (where, filename_list_scan->filename, size); | |
3463 | filename_list_scan = filename_list_scan ->next; | |
3464 | where += size; | |
3465 | } | |
3466 | } | |
3467 | } | |
3468 | ||
3469 | static void | |
3470 | do_linenos_for (abfd, h, file_cursor) | |
3471 | bfd * abfd; | |
3472 | object_headers * h; | |
3473 | unsigned long *file_cursor; | |
3474 | { | |
3475 | unsigned int idx; | |
3476 | unsigned long start = *file_cursor; | |
3477 | ||
3478 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
3479 | { | |
3480 | segment_info_type *s = segment_info + idx; | |
3481 | ||
252b5132 RH |
3482 | if (s->scnhdr.s_nlnno != 0) |
3483 | { | |
3484 | struct lineno_list *line_ptr; | |
3485 | ||
3486 | struct external_lineno *buffer = | |
3487 | (struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ); | |
3488 | ||
3489 | struct external_lineno *dst = buffer; | |
3490 | ||
3491 | /* Run through the table we've built and turn it into its external | |
f8e42b8c | 3492 | form, take this chance to remove duplicates. */ |
252b5132 RH |
3493 | |
3494 | for (line_ptr = s->lineno_list_head; | |
3495 | line_ptr != (struct lineno_list *) NULL; | |
3496 | line_ptr = line_ptr->next) | |
3497 | { | |
252b5132 RH |
3498 | if (line_ptr->line.l_lnno == 0) |
3499 | { | |
ea3b9044 NC |
3500 | /* Turn a pointer to a symbol into the symbols' index, |
3501 | provided that it has been initialised. */ | |
3502 | if (line_ptr->line.l_addr.l_symndx) | |
3503 | line_ptr->line.l_addr.l_symndx = | |
3504 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
252b5132 RH |
3505 | } |
3506 | else | |
f8e42b8c | 3507 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; |
252b5132 | 3508 | |
252b5132 RH |
3509 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); |
3510 | dst++; | |
252b5132 RH |
3511 | } |
3512 | ||
3513 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3514 | ||
0e1a166b | 3515 | bfd_bwrite (buffer, (bfd_size_type) s->scnhdr.s_nlnno * LINESZ, abfd); |
252b5132 RH |
3516 | free (buffer); |
3517 | ||
3518 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3519 | } | |
3520 | } | |
f8e42b8c | 3521 | |
252b5132 RH |
3522 | H_SET_LINENO_SIZE (h, *file_cursor - start); |
3523 | } | |
3524 | ||
252b5132 RH |
3525 | /* Now we run through the list of frag chains in a segment and |
3526 | make all the subsegment frags appear at the end of the | |
f8e42b8c | 3527 | list, as if the seg 0 was extra long. */ |
252b5132 RH |
3528 | |
3529 | static void | |
3530 | remove_subsegs () | |
3531 | { | |
3532 | unsigned int i; | |
3533 | ||
3534 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3535 | { | |
3536 | frchainS *head = segment_info[i].frchainP; | |
3537 | fragS dummy; | |
3538 | fragS *prev_frag = &dummy; | |
3539 | ||
3540 | while (head && head->frch_seg == i) | |
3541 | { | |
3542 | prev_frag->fr_next = head->frch_root; | |
3543 | prev_frag = head->frch_last; | |
3544 | head = head->frch_next; | |
3545 | } | |
3546 | prev_frag->fr_next = 0; | |
3547 | } | |
3548 | } | |
3549 | ||
3550 | unsigned long machine; | |
3551 | int coff_flags; | |
f8e42b8c | 3552 | |
18e1d487 AM |
3553 | #ifndef SUB_SEGMENT_ALIGN |
3554 | #ifdef HANDLE_ALIGN | |
aaa2624b | 3555 | /* The last subsegment gets an alignment corresponding to the alignment |
18e1d487 AM |
3556 | of the section. This allows proper nop-filling at the end of |
3557 | code-bearing sections. */ | |
3558 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ | |
3559 | (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \ | |
3560 | ? get_recorded_alignment (SEG) : 0) | |
3561 | #else | |
3562 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 1 | |
3563 | #endif | |
3564 | #endif | |
3565 | ||
252b5132 RH |
3566 | extern void |
3567 | write_object_file () | |
3568 | { | |
3569 | int i; | |
3570 | const char *name; | |
3571 | struct frchain *frchain_ptr; | |
3572 | ||
3573 | object_headers headers; | |
3574 | unsigned long file_cursor; | |
3575 | bfd *abfd; | |
3576 | unsigned int addr; | |
3577 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
3578 | ||
252b5132 RH |
3579 | if (abfd == 0) |
3580 | { | |
3581 | as_perror (_("FATAL: Can't create %s"), out_file_name); | |
3582 | exit (EXIT_FAILURE); | |
3583 | } | |
3584 | bfd_set_format (abfd, bfd_object); | |
3585 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
3586 | ||
3587 | string_byte_count = 4; | |
3588 | ||
18e1d487 AM |
3589 | /* Run through all the sub-segments and align them up. Also |
3590 | close any open frags. We tack a .fill onto the end of the | |
3591 | frag chain so that any .align's size can be worked by looking | |
3592 | at the next frag. */ | |
252b5132 RH |
3593 | for (frchain_ptr = frchain_root; |
3594 | frchain_ptr != (struct frchain *) NULL; | |
3595 | frchain_ptr = frchain_ptr->frch_next) | |
3596 | { | |
18e1d487 | 3597 | int alignment; |
252b5132 RH |
3598 | |
3599 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); | |
b9e57a38 | 3600 | |
e9732b6d | 3601 | alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr); |
18e1d487 | 3602 | |
252b5132 | 3603 | #ifdef md_do_align |
18e1d487 | 3604 | md_do_align (alignment, (char *) NULL, 0, 0, alignment_done); |
252b5132 | 3605 | #endif |
0a9ef439 | 3606 | if (subseg_text_p (now_seg)) |
18e1d487 | 3607 | frag_align_code (alignment, 0); |
0a9ef439 | 3608 | else |
18e1d487 | 3609 | frag_align (alignment, 0, 0); |
0a9ef439 | 3610 | |
252b5132 RH |
3611 | #ifdef md_do_align |
3612 | alignment_done: | |
3613 | #endif | |
0a9ef439 | 3614 | |
252b5132 RH |
3615 | frag_wane (frag_now); |
3616 | frag_now->fr_fix = 0; | |
3617 | know (frag_now->fr_next == NULL); | |
3618 | } | |
3619 | ||
252b5132 RH |
3620 | remove_subsegs (); |
3621 | ||
252b5132 | 3622 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
f8e42b8c | 3623 | relax_segment (segment_info[i].frchainP->frch_root, i); |
252b5132 | 3624 | |
1cd55018 AM |
3625 | /* Relaxation has completed. Freeze all syms. */ |
3626 | finalize_syms = 1; | |
3627 | ||
252b5132 RH |
3628 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); |
3629 | ||
3630 | /* Find out how big the sections are, and set the addresses. */ | |
3631 | addr = 0; | |
3632 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3633 | { | |
3634 | long size; | |
3635 | ||
3636 | segment_info[i].scnhdr.s_paddr = addr; | |
3637 | segment_info[i].scnhdr.s_vaddr = addr; | |
3638 | ||
3639 | if (segment_info[i].scnhdr.s_name[0]) | |
3640 | { | |
3641 | H_SET_NUMBER_OF_SECTIONS (&headers, | |
3642 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
3643 | ||
3644 | #ifdef COFF_LONG_SECTION_NAMES | |
3645 | /* Support long section names as found in PE. This code | |
3646 | must coordinate with that in coff_header_append and | |
3647 | w_strings. */ | |
3648 | { | |
3649 | unsigned int len; | |
3650 | ||
3651 | len = strlen (segment_info[i].name); | |
3652 | if (len > SCNNMLEN) | |
3653 | string_byte_count += len + 1; | |
3654 | } | |
3655 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3656 | } | |
3657 | ||
3658 | size = size_section (abfd, (unsigned int) i); | |
3659 | addr += size; | |
3660 | ||
3661 | /* I think the section alignment is only used on the i960; the | |
3662 | i960 needs it, and it should do no harm on other targets. */ | |
3663 | #ifdef ALIGNMENT_IN_S_FLAGS | |
3664 | segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8; | |
3665 | #else | |
3666 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; | |
3667 | #endif | |
3668 | ||
3669 | if (i == SEG_E0) | |
3670 | H_SET_TEXT_SIZE (&headers, size); | |
3671 | else if (i == SEG_E1) | |
3672 | H_SET_DATA_SIZE (&headers, size); | |
3673 | else if (i == SEG_E2) | |
3674 | H_SET_BSS_SIZE (&headers, size); | |
3675 | } | |
3676 | ||
f8e42b8c | 3677 | /* Turn the gas native symbol table shape into a coff symbol table. */ |
252b5132 RH |
3678 | crawl_symbols (&headers, abfd); |
3679 | ||
3680 | if (string_byte_count == 4) | |
3681 | string_byte_count = 0; | |
3682 | ||
3683 | H_SET_STRING_SIZE (&headers, string_byte_count); | |
3684 | ||
3685 | #ifdef tc_frob_file | |
3686 | tc_frob_file (); | |
3687 | #endif | |
3688 | ||
3689 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3690 | { | |
3691 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); | |
3692 | fixup_segment (&segment_info[i], i); | |
3693 | } | |
3694 | ||
3695 | /* Look for ".stab" segments and fill in their initial symbols | |
dcd619be | 3696 | correctly. */ |
252b5132 RH |
3697 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
3698 | { | |
3699 | name = segment_info[i].name; | |
3700 | ||
3701 | if (name != NULL | |
3702 | && strncmp (".stab", name, 5) == 0 | |
3703 | && strncmp (".stabstr", name, 8) != 0) | |
3704 | adjust_stab_section (abfd, i); | |
3705 | } | |
3706 | ||
3707 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); | |
3708 | ||
3709 | bfd_seek (abfd, (file_ptr) file_cursor, 0); | |
3710 | ||
f8e42b8c | 3711 | /* Plant the data. */ |
252b5132 RH |
3712 | fill_section (abfd, &headers, &file_cursor); |
3713 | ||
3714 | do_relocs_for (abfd, &headers, &file_cursor); | |
3715 | ||
3716 | do_linenos_for (abfd, &headers, &file_cursor); | |
3717 | ||
3718 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
3719 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
3720 | H_SET_TIME_STAMP (&headers, (long)time((time_t *)0)); | |
3721 | #else | |
3722 | H_SET_TIME_STAMP (&headers, 0); | |
3723 | #endif | |
3724 | #ifdef TC_COFF_SET_MACHINE | |
3725 | TC_COFF_SET_MACHINE (&headers); | |
3726 | #endif | |
3727 | ||
3728 | #ifndef COFF_FLAGS | |
3729 | #define COFF_FLAGS 0 | |
3730 | #endif | |
3731 | ||
3732 | #ifdef KEEP_RELOC_INFO | |
3733 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3734 | COFF_FLAGS | coff_flags)); | |
3735 | #else | |
3736 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) | | |
3737 | (H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) | | |
3738 | COFF_FLAGS | coff_flags)); | |
3739 | #endif | |
3740 | ||
3741 | { | |
3742 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
3743 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
3744 | ||
3745 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); | |
3746 | w_symbols (abfd, buffer1, symbol_rootP); | |
3747 | if (string_byte_count > 0) | |
3748 | w_strings (buffer1 + symtable_size); | |
0e1a166b AM |
3749 | bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count, |
3750 | abfd); | |
252b5132 RH |
3751 | free (buffer1); |
3752 | } | |
3753 | ||
3754 | coff_header_append (abfd, &headers); | |
252b5132 RH |
3755 | { |
3756 | extern bfd *stdoutput; | |
3757 | stdoutput = abfd; | |
3758 | } | |
252b5132 RH |
3759 | } |
3760 | ||
3761 | /* Add a new segment. This is called from subseg_new via the | |
3762 | obj_new_segment macro. */ | |
3763 | ||
3764 | segT | |
3765 | obj_coff_add_segment (name) | |
3766 | const char *name; | |
3767 | { | |
3768 | unsigned int i; | |
3769 | ||
3770 | #ifndef COFF_LONG_SECTION_NAMES | |
3771 | char buf[SCNNMLEN + 1]; | |
3772 | ||
3773 | strncpy (buf, name, SCNNMLEN); | |
3774 | buf[SCNNMLEN] = '\0'; | |
3775 | name = buf; | |
3776 | #endif | |
3777 | ||
3778 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) | |
3779 | if (strcmp (name, segment_info[i].name) == 0) | |
3780 | return (segT) i; | |
3781 | ||
3782 | if (i == SEG_LAST) | |
3783 | { | |
3784 | as_bad (_("Too many new sections; can't add \"%s\""), name); | |
3785 | return now_seg; | |
3786 | } | |
3787 | ||
3788 | /* Add a new section. */ | |
3789 | strncpy (segment_info[i].scnhdr.s_name, name, | |
3790 | sizeof (segment_info[i].scnhdr.s_name)); | |
3791 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
3792 | segment_info[i].name = xstrdup (name); | |
3793 | ||
3794 | return (segT) i; | |
3795 | } | |
3796 | ||
f8e42b8c NC |
3797 | /* Implement the .section pseudo op: |
3798 | .section name {, "flags"} | |
3799 | ^ ^ | |
3800 | | +--- optional flags: 'b' for bss | |
3801 | | 'i' for info | |
3802 | +-- section name 'l' for lib | |
3803 | 'n' for noload | |
3804 | 'o' for over | |
3805 | 'w' for data | |
3806 | 'd' (apparently m88k for data) | |
3807 | 'x' for text | |
3808 | 'r' for read-only data | |
3809 | But if the argument is not a quoted string, treat it as a | |
3810 | subsegment number. */ | |
252b5132 RH |
3811 | |
3812 | void | |
3813 | obj_coff_section (ignore) | |
a04b544b | 3814 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 3815 | { |
f8e42b8c | 3816 | /* Strip out the section name. */ |
252b5132 RH |
3817 | char *section_name, *name; |
3818 | char c; | |
3819 | unsigned int exp; | |
3820 | long flags; | |
3821 | ||
3822 | if (flag_mri) | |
3823 | { | |
3824 | char type; | |
3825 | ||
3826 | s_mri_sect (&type); | |
3827 | flags = 0; | |
3828 | if (type == 'C') | |
3829 | flags = STYP_TEXT; | |
3830 | else if (type == 'D') | |
3831 | flags = STYP_DATA; | |
3832 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3833 | ||
3834 | return; | |
3835 | } | |
3836 | ||
3837 | section_name = input_line_pointer; | |
3838 | c = get_symbol_end (); | |
3839 | ||
3840 | name = xmalloc (input_line_pointer - section_name + 1); | |
3841 | strcpy (name, section_name); | |
3842 | ||
3843 | *input_line_pointer = c; | |
3844 | ||
3845 | exp = 0; | |
3846 | flags = 0; | |
3847 | ||
3848 | SKIP_WHITESPACE (); | |
3849 | if (*input_line_pointer == ',') | |
3850 | { | |
3851 | ++input_line_pointer; | |
3852 | SKIP_WHITESPACE (); | |
3853 | ||
3854 | if (*input_line_pointer != '"') | |
3855 | exp = get_absolute_expression (); | |
3856 | else | |
3857 | { | |
3858 | ++input_line_pointer; | |
3859 | while (*input_line_pointer != '"' | |
3860 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
3861 | { | |
3862 | switch (*input_line_pointer) | |
3863 | { | |
3864 | case 'b': flags |= STYP_BSS; break; | |
3865 | case 'i': flags |= STYP_INFO; break; | |
3866 | case 'l': flags |= STYP_LIB; break; | |
3867 | case 'n': flags |= STYP_NOLOAD; break; | |
3868 | case 'o': flags |= STYP_OVER; break; | |
3869 | case 'd': | |
3870 | case 'w': flags |= STYP_DATA; break; | |
3871 | case 'x': flags |= STYP_TEXT; break; | |
3872 | case 'r': flags |= STYP_LIT; break; | |
3873 | default: | |
3874 | as_warn(_("unknown section attribute '%c'"), | |
3875 | *input_line_pointer); | |
3876 | break; | |
3877 | } | |
3878 | ++input_line_pointer; | |
3879 | } | |
3880 | if (*input_line_pointer == '"') | |
3881 | ++input_line_pointer; | |
3882 | } | |
3883 | } | |
3884 | ||
3885 | subseg_new (name, (subsegT) exp); | |
3886 | ||
3887 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
3888 | ||
3889 | demand_empty_rest_of_line (); | |
3890 | } | |
3891 | ||
252b5132 RH |
3892 | static void |
3893 | obj_coff_text (ignore) | |
a04b544b | 3894 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3895 | { |
3896 | subseg_new (".text", get_absolute_expression ()); | |
3897 | } | |
3898 | ||
252b5132 RH |
3899 | static void |
3900 | obj_coff_data (ignore) | |
a04b544b | 3901 | int ignore ATTRIBUTE_UNUSED; |
252b5132 RH |
3902 | { |
3903 | if (flag_readonly_data_in_text) | |
3904 | subseg_new (".text", get_absolute_expression () + 1000); | |
3905 | else | |
3906 | subseg_new (".data", get_absolute_expression ()); | |
3907 | } | |
3908 | ||
3909 | static void | |
3910 | obj_coff_ident (ignore) | |
a04b544b | 3911 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 3912 | { |
f8e42b8c | 3913 | segT current_seg = now_seg; /* Save current seg. */ |
252b5132 | 3914 | subsegT current_subseg = now_subseg; |
f8e42b8c NC |
3915 | |
3916 | subseg_new (".comment", 0); /* .comment seg. */ | |
3917 | stringer (1); /* Read string. */ | |
3918 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ | |
252b5132 RH |
3919 | } |
3920 | ||
3921 | void | |
3922 | c_symbol_merge (debug, normal) | |
3923 | symbolS *debug; | |
3924 | symbolS *normal; | |
3925 | { | |
3926 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
3927 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
3928 | ||
3929 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
f8e42b8c | 3930 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); |
252b5132 RH |
3931 | |
3932 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
f8e42b8c NC |
3933 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], |
3934 | (char *) &debug->sy_symbol.ost_auxent[0], | |
3935 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
252b5132 | 3936 | |
dcd619be | 3937 | /* Move the debug flags. */ |
252b5132 | 3938 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
f8e42b8c | 3939 | } |
252b5132 RH |
3940 | |
3941 | static int | |
3942 | c_line_new (symbol, paddr, line_number, frag) | |
3943 | symbolS * symbol; | |
3944 | long paddr; | |
3945 | int line_number; | |
3946 | fragS * frag; | |
3947 | { | |
3948 | struct lineno_list *new_line = | |
3949 | (struct lineno_list *) xmalloc (sizeof (struct lineno_list)); | |
3950 | ||
3951 | segment_info_type *s = segment_info + now_seg; | |
3952 | new_line->line.l_lnno = line_number; | |
3953 | ||
3954 | if (line_number == 0) | |
3955 | { | |
3956 | last_line_symbol = symbol; | |
3957 | new_line->line.l_addr.l_symndx = (long) symbol; | |
3958 | } | |
3959 | else | |
3960 | { | |
3961 | new_line->line.l_addr.l_paddr = paddr; | |
3962 | } | |
3963 | ||
3964 | new_line->frag = (char *) frag; | |
3965 | new_line->next = (struct lineno_list *) NULL; | |
3966 | ||
252b5132 | 3967 | if (s->lineno_list_head == (struct lineno_list *) NULL) |
f8e42b8c | 3968 | s->lineno_list_head = new_line; |
252b5132 | 3969 | else |
f8e42b8c NC |
3970 | s->lineno_list_tail->next = new_line; |
3971 | ||
252b5132 RH |
3972 | s->lineno_list_tail = new_line; |
3973 | return LINESZ * s->scnhdr.s_nlnno++; | |
3974 | } | |
3975 | ||
3976 | void | |
a4528eeb | 3977 | c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED) |
252b5132 RH |
3978 | { |
3979 | symbolS *symbolP; | |
3980 | ||
3981 | symbolP = symbol_new (".file", | |
3982 | SEG_DEBUG, | |
3983 | 0, | |
3984 | &zero_address_frag); | |
3985 | ||
3986 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
3987 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3988 | ||
3989 | if (strlen (filename) > FILNMLEN) | |
3990 | { | |
3991 | /* Filename is too long to fit into an auxent, | |
3992 | we stick it into the string table instead. We keep | |
3993 | a linked list of the filenames we find so we can emit | |
f8e42b8c | 3994 | them later. */ |
252b5132 RH |
3995 | struct filename_list *f = ((struct filename_list *) |
3996 | xmalloc (sizeof (struct filename_list))); | |
3997 | ||
3998 | f->filename = filename; | |
3999 | f->next = 0; | |
4000 | ||
4001 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
4002 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); | |
4003 | ||
dcd619be | 4004 | if (filename_list_tail) |
252b5132 RH |
4005 | filename_list_tail->next = f; |
4006 | else | |
4007 | filename_list_head = f; | |
dcd619be | 4008 | filename_list_tail = f; |
252b5132 | 4009 | } |
dcd619be | 4010 | else |
252b5132 RH |
4011 | { |
4012 | SA_SET_FILE_FNAME (symbolP, filename); | |
4013 | } | |
4014 | #ifndef NO_LISTING | |
4015 | { | |
4016 | extern int listing; | |
4017 | if (listing) | |
f8e42b8c | 4018 | listing_source_file (filename); |
252b5132 | 4019 | } |
252b5132 RH |
4020 | #endif |
4021 | SF_SET_DEBUG (symbolP); | |
4022 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
4023 | ||
4024 | previous_file_symbol = symbolP; | |
4025 | ||
f8e42b8c | 4026 | /* Make sure that the symbol is first on the symbol chain. */ |
252b5132 RH |
4027 | if (symbol_rootP != symbolP) |
4028 | { | |
4029 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
4030 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
4031 | } | |
f8e42b8c | 4032 | } |
252b5132 | 4033 | |
f8e42b8c | 4034 | /* Build a 'section static' symbol. */ |
252b5132 RH |
4035 | |
4036 | symbolS * | |
4037 | c_section_symbol (name, idx) | |
4038 | char *name; | |
4039 | int idx; | |
4040 | { | |
4041 | symbolS *symbolP; | |
4042 | ||
4043 | symbolP = symbol_find_base (name, DO_NOT_STRIP); | |
4044 | if (symbolP == NULL) | |
4045 | symbolP = symbol_new (name, idx, 0, &zero_address_frag); | |
4046 | else | |
4047 | { | |
4048 | /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */ | |
4049 | S_SET_SEGMENT (symbolP, idx); | |
4050 | symbolP->sy_frag = &zero_address_frag; | |
4051 | } | |
4052 | ||
4053 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
4054 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
4055 | ||
4056 | SF_SET_STATICS (symbolP); | |
4057 | ||
4058 | #ifdef TE_DELTA | |
4059 | /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared, | |
4060 | which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */ | |
4061 | SF_CLEAR_LOCAL (symbolP); | |
4062 | #endif | |
4063 | #ifdef TE_PE | |
4064 | /* If the .linkonce pseudo-op was used for this section, we must | |
4065 | store the information in the auxiliary entry for the section | |
4066 | symbol. */ | |
4067 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
4068 | { | |
4069 | int type; | |
4070 | ||
4071 | switch (segment_info[idx].linkonce) | |
4072 | { | |
4073 | default: | |
4074 | abort (); | |
4075 | case LINKONCE_DISCARD: | |
4076 | type = IMAGE_COMDAT_SELECT_ANY; | |
4077 | break; | |
4078 | case LINKONCE_ONE_ONLY: | |
4079 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
4080 | break; | |
4081 | case LINKONCE_SAME_SIZE: | |
4082 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
4083 | break; | |
4084 | case LINKONCE_SAME_CONTENTS: | |
4085 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
4086 | break; | |
4087 | } | |
4088 | ||
4089 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
4090 | } | |
4091 | #endif /* TE_PE */ | |
4092 | ||
4093 | return symbolP; | |
f8e42b8c | 4094 | } |
252b5132 RH |
4095 | |
4096 | static void | |
4097 | w_symbols (abfd, where, symbol_rootP) | |
4098 | bfd * abfd; | |
4099 | char *where; | |
4100 | symbolS * symbol_rootP; | |
4101 | { | |
4102 | symbolS *symbolP; | |
4103 | unsigned int i; | |
4104 | ||
f8e42b8c | 4105 | /* First fill in those values we have only just worked out. */ |
252b5132 RH |
4106 | for (i = SEG_E0; i < SEG_LAST; i++) |
4107 | { | |
4108 | symbolP = segment_info[i].dot; | |
4109 | if (symbolP) | |
4110 | { | |
4111 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); | |
4112 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
4113 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
4114 | } | |
4115 | } | |
4116 | ||
f8e42b8c | 4117 | /* Emit all symbols left in the symbol chain. */ |
252b5132 RH |
4118 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) |
4119 | { | |
4120 | /* Used to save the offset of the name. It is used to point | |
f8e42b8c NC |
4121 | to the string in memory but must be a file offset. */ |
4122 | char *temp; | |
252b5132 RH |
4123 | |
4124 | /* We can't fix the lnnoptr field in yank_symbols with the other | |
4125 | adjustments, because we have to wait until we know where they | |
4126 | go in the file. */ | |
4127 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
f8e42b8c NC |
4128 | SA_GET_SYM_LNNOPTR (symbolP) += |
4129 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
252b5132 RH |
4130 | |
4131 | tc_coff_symbol_emit_hook (symbolP); | |
4132 | ||
4133 | temp = S_GET_NAME (symbolP); | |
4134 | if (SF_GET_STRING (symbolP)) | |
4135 | { | |
4136 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
4137 | S_SET_ZEROES (symbolP, 0); | |
4138 | } | |
4139 | else | |
4140 | { | |
4141 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
4142 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
4143 | } | |
4144 | where = symbol_to_chars (abfd, where, symbolP); | |
4145 | S_SET_NAME (symbolP, temp); | |
4146 | } | |
f8e42b8c | 4147 | } |
252b5132 RH |
4148 | |
4149 | static void | |
4150 | obj_coff_lcomm (ignore) | |
a04b544b | 4151 | int ignore ATTRIBUTE_UNUSED; |
252b5132 | 4152 | { |
65ec77d2 | 4153 | s_lcomm (0); |
252b5132 | 4154 | return; |
252b5132 RH |
4155 | } |
4156 | ||
4157 | static void | |
4158 | fixup_mdeps (frags, h, this_segment) | |
17fc154e AM |
4159 | fragS *frags; |
4160 | object_headers *h ATTRIBUTE_UNUSED; | |
252b5132 RH |
4161 | segT this_segment; |
4162 | { | |
4163 | subseg_change (this_segment, 0); | |
f8e42b8c | 4164 | |
252b5132 RH |
4165 | while (frags) |
4166 | { | |
4167 | switch (frags->fr_type) | |
4168 | { | |
4169 | case rs_align: | |
4170 | case rs_align_code: | |
0a9ef439 | 4171 | case rs_align_test: |
252b5132 RH |
4172 | case rs_org: |
4173 | #ifdef HANDLE_ALIGN | |
4174 | HANDLE_ALIGN (frags); | |
4175 | #endif | |
4176 | frags->fr_type = rs_fill; | |
4177 | frags->fr_offset = | |
4178 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) | |
4179 | / frags->fr_var); | |
4180 | break; | |
4181 | case rs_machine_dependent: | |
4182 | md_convert_frag (h, this_segment, frags); | |
4183 | frag_wane (frags); | |
4184 | break; | |
4185 | default: | |
4186 | ; | |
4187 | } | |
4188 | frags = frags->fr_next; | |
4189 | } | |
4190 | } | |
4191 | ||
4192 | #if 1 | |
4193 | ||
4194 | #ifndef TC_FORCE_RELOCATION | |
4195 | #define TC_FORCE_RELOCATION(fix) 0 | |
4196 | #endif | |
4197 | ||
4198 | static void | |
4199 | fixup_segment (segP, this_segment_type) | |
4200 | segment_info_type * segP; | |
4201 | segT this_segment_type; | |
4202 | { | |
f8e42b8c NC |
4203 | fixS * fixP; |
4204 | symbolS *add_symbolP; | |
4205 | symbolS *sub_symbolP; | |
252b5132 | 4206 | long add_number; |
f8e42b8c NC |
4207 | int size; |
4208 | char *place; | |
4209 | long where; | |
4210 | char pcrel; | |
4211 | fragS *fragP; | |
4212 | segT add_symbol_segment = absolute_section; | |
252b5132 RH |
4213 | |
4214 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) | |
4215 | { | |
4216 | fragP = fixP->fx_frag; | |
4217 | know (fragP); | |
4218 | where = fixP->fx_where; | |
4219 | place = fragP->fr_literal + where; | |
4220 | size = fixP->fx_size; | |
4221 | add_symbolP = fixP->fx_addsy; | |
4222 | sub_symbolP = fixP->fx_subsy; | |
4223 | add_number = fixP->fx_offset; | |
4224 | pcrel = fixP->fx_pcrel; | |
4225 | ||
4226 | /* We want function-relative stabs to work on systems which | |
4227 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
4228 | fixups function-relative stabs generates. | |
4229 | ||
4230 | Of course, if you actually enable relaxing in the linker, the | |
4231 | line and block scoping information is going to be incorrect | |
4232 | in some cases. The only way to really fix this is to support | |
4233 | a reloc involving the difference of two symbols. */ | |
4234 | if (linkrelax | |
4235 | && (!sub_symbolP || pcrel)) | |
4236 | continue; | |
4237 | ||
4238 | #ifdef TC_I960 | |
4239 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) | |
4240 | { | |
4241 | /* Relocation should be done via the associated 'bal' entry | |
dcd619be | 4242 | point symbol. */ |
252b5132 RH |
4243 | |
4244 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) | |
4245 | { | |
4246 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4247 | _("No 'bal' entry point for leafproc %s"), | |
4248 | S_GET_NAME (add_symbolP)); | |
4249 | continue; | |
4250 | } | |
4251 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
4252 | } | |
4253 | #endif | |
4254 | ||
4255 | /* Make sure the symbols have been resolved; this may not have | |
4256 | happened if these are expression symbols. */ | |
4257 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
6386f3a7 | 4258 | resolve_symbol_value (add_symbolP); |
252b5132 RH |
4259 | |
4260 | if (add_symbolP != NULL) | |
4261 | { | |
4262 | /* If this fixup is against a symbol which has been equated | |
4263 | to another symbol, convert it to the other symbol. */ | |
4264 | if (add_symbolP->sy_value.X_op == O_symbol | |
4265 | && (! S_IS_DEFINED (add_symbolP) | |
4266 | || S_IS_COMMON (add_symbolP))) | |
4267 | { | |
4268 | while (add_symbolP->sy_value.X_op == O_symbol | |
4269 | && (! S_IS_DEFINED (add_symbolP) | |
4270 | || S_IS_COMMON (add_symbolP))) | |
4271 | { | |
4272 | symbolS *n; | |
4273 | ||
4274 | /* We must avoid looping, as that can occur with a | |
4275 | badly written program. */ | |
4276 | n = add_symbolP->sy_value.X_add_symbol; | |
4277 | if (n == add_symbolP) | |
4278 | break; | |
4279 | add_number += add_symbolP->sy_value.X_add_number; | |
4280 | add_symbolP = n; | |
4281 | } | |
4282 | fixP->fx_addsy = add_symbolP; | |
4283 | fixP->fx_offset = add_number; | |
4284 | } | |
4285 | } | |
4286 | ||
4287 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) | |
6386f3a7 | 4288 | resolve_symbol_value (sub_symbolP); |
252b5132 RH |
4289 | |
4290 | if (add_symbolP != NULL | |
4291 | && add_symbolP->sy_mri_common) | |
4292 | { | |
252b5132 RH |
4293 | add_number += S_GET_VALUE (add_symbolP); |
4294 | fixP->fx_offset = add_number; | |
4295 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
4296 | } | |
4297 | ||
4298 | if (add_symbolP) | |
f8e42b8c | 4299 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); |
252b5132 RH |
4300 | |
4301 | if (sub_symbolP) | |
4302 | { | |
4303 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) | |
4304 | { | |
4305 | if (add_symbolP != NULL) | |
4306 | { | |
4307 | add_number += S_GET_VALUE (add_symbolP); | |
4308 | add_symbolP = NULL; | |
4309 | fixP->fx_addsy = NULL; | |
4310 | } | |
4311 | ||
4312 | /* It's just -sym. */ | |
4313 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
4314 | { | |
4315 | add_number -= S_GET_VALUE (sub_symbolP); | |
4316 | fixP->fx_subsy = 0; | |
4317 | fixP->fx_done = 1; | |
4318 | } | |
4319 | else | |
4320 | { | |
4321 | #ifndef TC_M68K | |
4322 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4323 | _("Negative of non-absolute symbol %s"), | |
4324 | S_GET_NAME (sub_symbolP)); | |
4325 | #endif | |
4326 | add_number -= S_GET_VALUE (sub_symbolP); | |
4327 | } /* not absolute */ | |
4328 | ||
4329 | /* if sub_symbol is in the same segment that add_symbol | |
f8e42b8c | 4330 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE. */ |
252b5132 RH |
4331 | } |
4332 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment | |
4333 | && SEG_NORMAL (add_symbol_segment)) | |
4334 | { | |
4335 | /* Difference of 2 symbols from same segment. Can't | |
4336 | make difference of 2 undefineds: 'value' means | |
dcd619be | 4337 | something different for N_UNDF. */ |
252b5132 RH |
4338 | #ifdef TC_I960 |
4339 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
4340 | as the target of a call instruction. */ | |
4341 | if (fixP->fx_tcbit) | |
f8e42b8c NC |
4342 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4343 | _("callj to difference of 2 symbols")); | |
252b5132 RH |
4344 | #endif /* TC_I960 */ |
4345 | add_number += S_GET_VALUE (add_symbolP) - | |
4346 | S_GET_VALUE (sub_symbolP); | |
4347 | add_symbolP = NULL; | |
4348 | ||
4349 | if (!TC_FORCE_RELOCATION (fixP)) | |
4350 | { | |
4351 | fixP->fx_addsy = NULL; | |
4352 | fixP->fx_subsy = NULL; | |
4353 | fixP->fx_done = 1; | |
4354 | #ifdef TC_M68K /* is this right? */ | |
4355 | pcrel = 0; | |
4356 | fixP->fx_pcrel = 0; | |
4357 | #endif | |
4358 | } | |
4359 | } | |
4360 | else | |
4361 | { | |
dcd619be | 4362 | /* Different segments in subtraction. */ |
252b5132 RH |
4363 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); |
4364 | ||
4365 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) | |
f8e42b8c NC |
4366 | add_number -= S_GET_VALUE (sub_symbolP); |
4367 | ||
252b5132 | 4368 | #ifdef DIFF_EXPR_OK |
65ec77d2 | 4369 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type) |
252b5132 RH |
4370 | { |
4371 | /* Make it pc-relative. */ | |
4372 | add_number += (md_pcrel_from (fixP) | |
4373 | - S_GET_VALUE (sub_symbolP)); | |
4374 | pcrel = 1; | |
4375 | fixP->fx_pcrel = 1; | |
4376 | sub_symbolP = 0; | |
4377 | fixP->fx_subsy = 0; | |
4378 | } | |
4379 | #endif | |
4380 | else | |
4381 | { | |
4382 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4383 | _("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."), | |
4384 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
4385 | S_GET_NAME (sub_symbolP), | |
4386 | (long) (fragP->fr_address + where)); | |
f8e42b8c | 4387 | } |
252b5132 | 4388 | } |
f8e42b8c | 4389 | } |
252b5132 RH |
4390 | |
4391 | if (add_symbolP) | |
4392 | { | |
4393 | if (add_symbol_segment == this_segment_type && pcrel) | |
4394 | { | |
f8e42b8c NC |
4395 | /* This fixup was made when the symbol's segment was |
4396 | SEG_UNKNOWN, but it is now in the local segment. | |
4397 | So we know how to do the address without relocation. */ | |
252b5132 RH |
4398 | #ifdef TC_I960 |
4399 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
f8e42b8c NC |
4400 | in which cases it modifies *fixP as appropriate. In the case |
4401 | of a 'calls', no further work is required, and *fixP has been | |
4402 | set up to make the rest of the code below a no-op. */ | |
252b5132 RH |
4403 | reloc_callj (fixP); |
4404 | #endif /* TC_I960 */ | |
4405 | ||
4406 | add_number += S_GET_VALUE (add_symbolP); | |
4407 | add_number -= md_pcrel_from (fixP); | |
4408 | ||
4409 | /* We used to do | |
4410 | add_number -= segP->scnhdr.s_vaddr; | |
4411 | if defined (TC_I386) || defined (TE_LYNX). I now | |
4412 | think that was an error propagated from the case when | |
4413 | we are going to emit the relocation. If we are not | |
4414 | going to emit the relocation, then we just want to | |
4415 | set add_number to the difference between the symbols. | |
4416 | This is a case that would only arise when there is a | |
4417 | PC relative reference from a section other than .text | |
4418 | to a symbol defined in the same section, and the | |
4419 | reference is not relaxed. Since jump instructions on | |
4420 | the i386 are relaxed, this could only arise with a | |
4421 | call instruction. */ | |
4422 | ||
dcd619be | 4423 | pcrel = 0; /* Lie. Don't want further pcrel processing. */ |
252b5132 RH |
4424 | if (!TC_FORCE_RELOCATION (fixP)) |
4425 | { | |
4426 | fixP->fx_addsy = NULL; | |
4427 | fixP->fx_done = 1; | |
4428 | } | |
4429 | } | |
4430 | else | |
4431 | { | |
4432 | switch (add_symbol_segment) | |
4433 | { | |
4434 | case absolute_section: | |
4435 | #ifdef TC_I960 | |
f8e42b8c NC |
4436 | /* See comment about reloc_callj() above. */ |
4437 | reloc_callj (fixP); | |
252b5132 RH |
4438 | #endif /* TC_I960 */ |
4439 | add_number += S_GET_VALUE (add_symbolP); | |
4440 | add_symbolP = NULL; | |
4441 | ||
4442 | if (!TC_FORCE_RELOCATION (fixP)) | |
4443 | { | |
4444 | fixP->fx_addsy = NULL; | |
4445 | fixP->fx_done = 1; | |
4446 | } | |
4447 | break; | |
4448 | default: | |
4449 | ||
3b16e843 | 4450 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32) |
252b5132 RH |
4451 | /* This really should be handled in the linker, but |
4452 | backward compatibility forbids. */ | |
4453 | add_number += S_GET_VALUE (add_symbolP); | |
4454 | #else | |
4455 | add_number += S_GET_VALUE (add_symbolP) + | |
4456 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
4457 | #endif | |
4458 | break; | |
4459 | ||
4460 | case SEG_UNKNOWN: | |
4461 | #ifdef TC_I960 | |
4462 | if ((int) fixP->fx_bit_fixP == 13) | |
4463 | { | |
4464 | /* This is a COBR instruction. They have only a | |
f8e42b8c NC |
4465 | 13-bit displacement and are only to be used |
4466 | for local branches: flag as error, don't generate | |
4467 | relocation. */ | |
252b5132 RH |
4468 | as_bad_where (fixP->fx_file, fixP->fx_line, |
4469 | _("can't use COBR format with external label")); | |
4470 | fixP->fx_addsy = NULL; | |
4471 | fixP->fx_done = 1; | |
4472 | continue; | |
f8e42b8c | 4473 | } |
252b5132 RH |
4474 | #endif /* TC_I960 */ |
4475 | #if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND) | |
4476 | /* 386 COFF uses a peculiar format in which the | |
4477 | value of a common symbol is stored in the .text | |
4478 | segment (I've checked this on SVR3.2 and SCO | |
4479 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
4480 | /* This is also true for 68k COFF on sysv machines | |
4481 | (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on | |
4482 | UNIX System V/M68000, Release 1.0 from ATT/Bell Labs) | |
dcd619be | 4483 | Philippe De Muyter <phdm@info.ucl.ac.be>. */ |
252b5132 RH |
4484 | if (S_IS_COMMON (add_symbolP)) |
4485 | add_number += S_GET_VALUE (add_symbolP); | |
4486 | #endif | |
4487 | break; | |
4488 | ||
f8e42b8c NC |
4489 | } |
4490 | } | |
4491 | } | |
252b5132 RH |
4492 | |
4493 | if (pcrel) | |
4494 | { | |
3b16e843 | 4495 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32) |
252b5132 RH |
4496 | /* This adjustment is not correct on the m88k, for which the |
4497 | linker does all the computation. */ | |
4498 | add_number -= md_pcrel_from (fixP); | |
4499 | #endif | |
4500 | if (add_symbolP == 0) | |
f8e42b8c | 4501 | fixP->fx_addsy = &abs_symbol; |
252b5132 RH |
4502 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) |
4503 | /* On the 386 we must adjust by the segment vaddr as well. | |
4504 | Ian Taylor. | |
4505 | ||
4506 | I changed the i960 to work this way as well. This is | |
4507 | compatible with the current GNU linker behaviour. I do | |
4508 | not know what other i960 COFF assemblers do. This is not | |
4509 | a common case: normally, only assembler code will contain | |
4510 | a PC relative reloc, and only branches which do not | |
4511 | originate in the .text section will have a non-zero | |
4512 | address. | |
4513 | ||
4514 | I changed the m68k to work this way as well. This will | |
4515 | break existing PC relative relocs from sections which do | |
4516 | not start at address 0, but it will make ld -r work. | |
4517 | Ian Taylor, 4 Oct 96. */ | |
4518 | ||
4519 | add_number -= segP->scnhdr.s_vaddr; | |
4520 | #endif | |
f8e42b8c | 4521 | } |
252b5132 | 4522 | |
94f592af | 4523 | md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type); |
ec0f0840 | 4524 | |
252b5132 RH |
4525 | if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow) |
4526 | { | |
4527 | #ifndef TC_M88K | |
4528 | /* The m88k uses the offset field of the reloc to get around | |
4529 | this problem. */ | |
4530 | if ((size == 1 | |
4531 | && ((add_number & ~0xFF) | |
4532 | || (fixP->fx_signed && (add_number & 0x80))) | |
4533 | && ((add_number & ~0xFF) != (-1 & ~0xFF) | |
4534 | || (add_number & 0x80) == 0)) | |
4535 | || (size == 2 | |
4536 | && ((add_number & ~0xFFFF) | |
4537 | || (fixP->fx_signed && (add_number & 0x8000))) | |
4538 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF) | |
4539 | || (add_number & 0x8000) == 0))) | |
4540 | { | |
4541 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4542 | _("Value of %ld too large for field of %d bytes at 0x%lx"), | |
4543 | (long) add_number, size, | |
4544 | (unsigned long) (fragP->fr_address + where)); | |
4545 | } | |
4546 | #endif | |
4547 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
4548 | /* Warn if a .word value is too large when treated as a | |
4549 | signed number. We already know it is not too negative. | |
4550 | This is to catch over-large switches generated by gcc on | |
4551 | the 68k. */ | |
4552 | if (!flag_signed_overflow_ok | |
4553 | && size == 2 | |
4554 | && add_number > 0x7fff) | |
4555 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
4556 | _("Signed .word overflow; switch may be too large; %ld at 0x%lx"), | |
4557 | (long) add_number, | |
4558 | (unsigned long) (fragP->fr_address + where)); | |
4559 | #endif | |
f8e42b8c NC |
4560 | } |
4561 | } | |
4562 | } | |
252b5132 RH |
4563 | |
4564 | #endif | |
4565 | ||
4566 | /* The first entry in a .stab section is special. */ | |
4567 | ||
4568 | void | |
4569 | obj_coff_init_stab_section (seg) | |
4570 | segT seg; | |
4571 | { | |
4572 | char *file; | |
4573 | char *p; | |
4574 | char *stabstr_name; | |
4575 | unsigned int stroff; | |
4576 | ||
dcd619be | 4577 | /* Make space for this first symbol. */ |
252b5132 | 4578 | p = frag_more (12); |
dcd619be | 4579 | /* Zero it out. */ |
252b5132 RH |
4580 | memset (p, 0, 12); |
4581 | as_where (&file, (unsigned int *) NULL); | |
4582 | stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4); | |
4583 | strcpy (stabstr_name, segment_info[seg].name); | |
4584 | strcat (stabstr_name, "str"); | |
4585 | stroff = get_stab_string_offset (file, stabstr_name); | |
4586 | know (stroff == 1); | |
4587 | md_number_to_chars (p, stroff, 4); | |
4588 | } | |
4589 | ||
4590 | /* Fill in the counts in the first entry in a .stab section. */ | |
4591 | ||
4592 | static void | |
4593 | adjust_stab_section(abfd, seg) | |
4594 | bfd *abfd; | |
4595 | segT seg; | |
4596 | { | |
4597 | segT stabstrseg = SEG_UNKNOWN; | |
4598 | const char *secname, *name2; | |
4599 | char *name; | |
4600 | char *p = NULL; | |
4601 | int i, strsz = 0, nsyms; | |
4602 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
4603 | ||
dcd619be | 4604 | /* Look for the associated string table section. */ |
252b5132 RH |
4605 | |
4606 | secname = segment_info[seg].name; | |
4607 | name = (char *) alloca (strlen (secname) + 4); | |
4608 | strcpy (name, secname); | |
4609 | strcat (name, "str"); | |
4610 | ||
4611 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
4612 | { | |
4613 | name2 = segment_info[i].name; | |
4614 | if (name2 != NULL && strncmp(name2, name, 8) == 0) | |
4615 | { | |
4616 | stabstrseg = i; | |
4617 | break; | |
4618 | } | |
4619 | } | |
4620 | ||
dcd619be | 4621 | /* If we found the section, get its size. */ |
252b5132 RH |
4622 | if (stabstrseg != SEG_UNKNOWN) |
4623 | strsz = size_section (abfd, stabstrseg); | |
4624 | ||
4625 | nsyms = size_section (abfd, seg) / 12 - 1; | |
4626 | ||
4627 | /* Look for the first frag of sufficient size for the initial stab | |
dcd619be | 4628 | symbol, and collect a pointer to it. */ |
252b5132 RH |
4629 | while (frag && frag->fr_fix < 12) |
4630 | frag = frag->fr_next; | |
4631 | assert (frag != 0); | |
4632 | p = frag->fr_literal; | |
4633 | assert (p != 0); | |
4634 | ||
4635 | /* Write in the number of stab symbols and the size of the string | |
dcd619be | 4636 | table. */ |
252b5132 RH |
4637 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); |
4638 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
4639 | } | |
4640 | ||
4641 | #endif /* not BFD_ASSEMBLER */ | |
4642 | ||
4c63da97 | 4643 | const pseudo_typeS coff_pseudo_table[] = |
252b5132 RH |
4644 | { |
4645 | {"def", obj_coff_def, 0}, | |
4646 | {"dim", obj_coff_dim, 0}, | |
4647 | {"endef", obj_coff_endef, 0}, | |
4648 | {"line", obj_coff_line, 0}, | |
4649 | {"ln", obj_coff_ln, 0}, | |
28428223 ILT |
4650 | #ifdef BFD_ASSEMBLER |
4651 | {"loc", obj_coff_loc, 0}, | |
4652 | #endif | |
252b5132 RH |
4653 | {"appline", obj_coff_ln, 1}, |
4654 | {"scl", obj_coff_scl, 0}, | |
4655 | {"size", obj_coff_size, 0}, | |
4656 | {"tag", obj_coff_tag, 0}, | |
4657 | {"type", obj_coff_type, 0}, | |
4658 | {"val", obj_coff_val, 0}, | |
4659 | {"section", obj_coff_section, 0}, | |
4660 | {"sect", obj_coff_section, 0}, | |
4661 | /* FIXME: We ignore the MRI short attribute. */ | |
4662 | {"section.s", obj_coff_section, 0}, | |
4663 | {"sect.s", obj_coff_section, 0}, | |
4664 | /* We accept the .bss directive for backward compatibility with | |
4665 | earlier versions of gas. */ | |
4666 | {"bss", obj_coff_bss, 0}, | |
7a6284c4 | 4667 | {"ident", obj_coff_ident, 0}, |
252b5132 RH |
4668 | #ifndef BFD_ASSEMBLER |
4669 | {"use", obj_coff_section, 0}, | |
4670 | {"text", obj_coff_text, 0}, | |
4671 | {"data", obj_coff_data, 0}, | |
4672 | {"lcomm", obj_coff_lcomm, 0}, | |
252b5132 | 4673 | #else |
d9895649 | 4674 | {"weak", obj_coff_weak, 0}, |
252b5132 | 4675 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ |
252b5132 RH |
4676 | #endif |
4677 | {"version", s_ignore, 0}, | |
4678 | {"ABORT", s_abort, 0}, | |
026df7c5 NC |
4679 | #if defined( TC_M88K ) || defined ( TC_TIC4X ) |
4680 | /* The m88k and tic4x uses sdef instead of def. */ | |
252b5132 RH |
4681 | {"sdef", obj_coff_def, 0}, |
4682 | #endif | |
a04b544b | 4683 | {NULL, NULL, 0} /* end sentinel */ |
4c63da97 | 4684 | }; /* coff_pseudo_table */ |
252b5132 RH |
4685 | \f |
4686 | #ifdef BFD_ASSEMBLER | |
4687 | ||
4688 | /* Support for a COFF emulation. */ | |
4689 | ||
4c63da97 | 4690 | static void coff_pop_insert PARAMS ((void)); |
5110c57e | 4691 | static int coff_separate_stab_sections PARAMS ((void)); |
4c63da97 | 4692 | |
252b5132 RH |
4693 | static void |
4694 | coff_pop_insert () | |
4695 | { | |
4c63da97 | 4696 | pop_insert (coff_pseudo_table); |
252b5132 RH |
4697 | } |
4698 | ||
5110c57e HPN |
4699 | static int |
4700 | coff_separate_stab_sections () | |
4701 | { | |
4702 | return 1; | |
4703 | } | |
4704 | ||
252b5132 RH |
4705 | const struct format_ops coff_format_ops = |
4706 | { | |
4707 | bfd_target_coff_flavour, | |
4c63da97 AM |
4708 | 0, /* dfl_leading_underscore */ |
4709 | 1, /* emit_section_symbols */ | |
5110c57e HPN |
4710 | 0, /* begin */ |
4711 | c_dot_file_symbol, | |
252b5132 | 4712 | coff_frob_symbol, |
4c63da97 | 4713 | 0, /* frob_file */ |
339681c0 | 4714 | 0, /* frob_file_before_adjust */ |
a161fe53 | 4715 | 0, /* frob_file_before_fix */ |
252b5132 | 4716 | coff_frob_file_after_relocs, |
4c63da97 AM |
4717 | 0, /* s_get_size */ |
4718 | 0, /* s_set_size */ | |
4719 | 0, /* s_get_align */ | |
4720 | 0, /* s_set_align */ | |
4721 | 0, /* s_get_other */ | |
5110c57e | 4722 | 0, /* s_set_other */ |
4c63da97 | 4723 | 0, /* s_get_desc */ |
5110c57e HPN |
4724 | 0, /* s_set_desc */ |
4725 | 0, /* s_get_type */ | |
4726 | 0, /* s_set_type */ | |
4c63da97 AM |
4727 | 0, /* copy_symbol_attributes */ |
4728 | 0, /* generate_asm_lineno */ | |
4729 | 0, /* process_stab */ | |
5110c57e HPN |
4730 | coff_separate_stab_sections, |
4731 | obj_coff_init_stab_section, | |
4c63da97 | 4732 | 0, /* sec_sym_ok_for_reloc */ |
252b5132 | 4733 | coff_pop_insert, |
4c63da97 | 4734 | 0, /* ecoff_set_ext */ |
252b5132 | 4735 | coff_obj_read_begin_hook, |
4c63da97 | 4736 | coff_obj_symbol_new_hook |
252b5132 RH |
4737 | }; |
4738 | ||
4739 | #endif |