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 | ||
a5324a3e NC |
33 | #define streq(a,b) (strcmp ((a), (b)) == 0) |
34 | #define strneq(a,b,n) (strncmp ((a), (b), (n)) == 0) | |
35 | ||
252b5132 RH |
36 | /* I think this is probably always correct. */ |
37 | #ifndef KEEP_RELOC_INFO | |
38 | #define KEEP_RELOC_INFO | |
39 | #endif | |
40 | ||
b8a9dcab NC |
41 | /* The BFD_ASSEMBLER version of obj_coff_section will use this macro to set |
42 | a new section's attributes when a directive has no valid flags or the | |
43 | "w" flag is used. This default should be appropriate for most. */ | |
44 | #ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES | |
45 | #define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA) | |
46 | #endif | |
47 | ||
8d28c9d7 AM |
48 | /* This is used to hold the symbol built by a sequence of pseudo-ops |
49 | from .def and .endef. */ | |
50 | static symbolS *def_symbol_in_progress; | |
977cdf5a NC |
51 | #ifdef TE_PE |
52 | /* PE weak alternate symbols begin with this string. */ | |
53 | static const char weak_altprefix[] = ".weak."; | |
54 | #endif /* TE_PE */ | |
8d28c9d7 AM |
55 | |
56 | typedef struct | |
57 | { | |
58 | unsigned long chunk_size; | |
59 | unsigned long element_size; | |
60 | unsigned long size; | |
61 | char *data; | |
62 | unsigned long pointer; | |
63 | } | |
64 | stack; | |
65 | ||
252b5132 | 66 | \f |
a5324a3e | 67 | /* Stack stuff. */ |
252b5132 RH |
68 | |
69 | static stack * | |
a5324a3e NC |
70 | stack_init (unsigned long chunk_size, |
71 | unsigned long element_size) | |
252b5132 RH |
72 | { |
73 | stack *st; | |
74 | ||
a5324a3e | 75 | st = malloc (sizeof (* st)); |
252b5132 | 76 | if (!st) |
a5324a3e | 77 | return NULL; |
252b5132 RH |
78 | st->data = malloc (chunk_size); |
79 | if (!st->data) | |
80 | { | |
81 | free (st); | |
a5324a3e | 82 | return NULL; |
252b5132 RH |
83 | } |
84 | st->pointer = 0; | |
85 | st->size = chunk_size; | |
86 | st->chunk_size = chunk_size; | |
87 | st->element_size = element_size; | |
88 | return st; | |
89 | } | |
90 | ||
252b5132 | 91 | static char * |
a5324a3e | 92 | stack_push (stack *st, char *element) |
252b5132 RH |
93 | { |
94 | if (st->pointer + st->element_size >= st->size) | |
95 | { | |
96 | st->size += st->chunk_size; | |
a5324a3e NC |
97 | if ((st->data = xrealloc (st->data, st->size)) == NULL) |
98 | return NULL; | |
252b5132 RH |
99 | } |
100 | memcpy (st->data + st->pointer, element, st->element_size); | |
101 | st->pointer += st->element_size; | |
102 | return st->data + st->pointer; | |
103 | } | |
104 | ||
105 | static char * | |
a5324a3e | 106 | stack_pop (stack *st) |
252b5132 RH |
107 | { |
108 | if (st->pointer < st->element_size) | |
109 | { | |
110 | st->pointer = 0; | |
a5324a3e | 111 | return NULL; |
252b5132 RH |
112 | } |
113 | st->pointer -= st->element_size; | |
114 | return st->data + st->pointer; | |
115 | } | |
116 | \f | |
a5324a3e | 117 | /* Maintain a list of the tagnames of the structures. */ |
252b5132 RH |
118 | |
119 | static struct hash_control *tag_hash; | |
120 | ||
121 | static void | |
a5324a3e | 122 | tag_init (void) |
252b5132 RH |
123 | { |
124 | tag_hash = hash_new (); | |
125 | } | |
126 | ||
127 | static void | |
a5324a3e | 128 | tag_insert (const char *name, symbolS *symbolP) |
252b5132 RH |
129 | { |
130 | const char *error_string; | |
131 | ||
132 | if ((error_string = hash_jam (tag_hash, name, (char *) symbolP))) | |
a5324a3e NC |
133 | as_fatal (_("Inserting \"%s\" into structure table failed: %s"), |
134 | name, error_string); | |
252b5132 RH |
135 | } |
136 | ||
137 | static symbolS * | |
a5324a3e | 138 | tag_find (char *name) |
252b5132 RH |
139 | { |
140 | #ifdef STRIP_UNDERSCORE | |
141 | if (*name == '_') | |
142 | name++; | |
143 | #endif /* STRIP_UNDERSCORE */ | |
144 | return (symbolS *) hash_find (tag_hash, name); | |
145 | } | |
146 | ||
147 | static symbolS * | |
a5324a3e | 148 | tag_find_or_make (char *name) |
252b5132 RH |
149 | { |
150 | symbolS *symbolP; | |
151 | ||
152 | if ((symbolP = tag_find (name)) == NULL) | |
153 | { | |
154 | symbolP = symbol_new (name, undefined_section, | |
155 | 0, &zero_address_frag); | |
156 | ||
157 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
158 | #ifdef BFD_ASSEMBLER | |
159 | symbol_table_insert (symbolP); | |
160 | #endif | |
a5324a3e | 161 | } |
252b5132 RH |
162 | |
163 | return symbolP; | |
164 | } | |
165 | ||
166 | /* We accept the .bss directive to set the section for backward | |
167 | compatibility with earlier versions of gas. */ | |
168 | ||
169 | static void | |
a5324a3e | 170 | obj_coff_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
171 | { |
172 | if (*input_line_pointer == '\n') | |
173 | subseg_new (".bss", get_absolute_expression ()); | |
174 | else | |
175 | s_lcomm (0); | |
176 | } | |
177 | ||
252b5132 RH |
178 | #ifdef BFD_ASSEMBLER |
179 | ||
252b5132 | 180 | #define GET_FILENAME_STRING(X) \ |
a5324a3e | 181 | ((char *) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) |
252b5132 RH |
182 | |
183 | /* @@ Ick. */ | |
184 | static segT | |
a5324a3e | 185 | fetch_coff_debug_section (void) |
252b5132 RH |
186 | { |
187 | static segT debug_section; | |
a5324a3e | 188 | |
252b5132 RH |
189 | if (!debug_section) |
190 | { | |
5a38dc70 | 191 | const asymbol *s; |
a5324a3e NC |
192 | |
193 | s = bfd_make_debug_symbol (stdoutput, NULL, 0); | |
252b5132 RH |
194 | assert (s != 0); |
195 | debug_section = s->section; | |
196 | } | |
197 | return debug_section; | |
198 | } | |
199 | ||
200 | void | |
a5324a3e | 201 | SA_SET_SYM_ENDNDX (symbolS *sym, symbolS *val) |
252b5132 RH |
202 | { |
203 | combined_entry_type *entry, *p; | |
204 | ||
49309057 ILT |
205 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
206 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
207 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; |
208 | entry->fix_end = 1; | |
209 | } | |
210 | ||
211 | static void | |
a5324a3e | 212 | SA_SET_SYM_TAGNDX (symbolS *sym, symbolS *val) |
252b5132 RH |
213 | { |
214 | combined_entry_type *entry, *p; | |
215 | ||
49309057 ILT |
216 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
217 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
218 | entry->u.auxent.x_sym.x_tagndx.p = p; |
219 | entry->fix_tag = 1; | |
220 | } | |
221 | ||
222 | static int | |
a5324a3e | 223 | S_GET_DATA_TYPE (symbolS *sym) |
252b5132 | 224 | { |
49309057 | 225 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type; |
252b5132 RH |
226 | } |
227 | ||
228 | int | |
a5324a3e | 229 | S_SET_DATA_TYPE (symbolS *sym, int val) |
252b5132 | 230 | { |
49309057 | 231 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val; |
252b5132 RH |
232 | return val; |
233 | } | |
234 | ||
235 | int | |
a5324a3e | 236 | S_GET_STORAGE_CLASS (symbolS *sym) |
252b5132 | 237 | { |
49309057 | 238 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass; |
252b5132 RH |
239 | } |
240 | ||
241 | int | |
a5324a3e | 242 | S_SET_STORAGE_CLASS (symbolS *sym, int val) |
252b5132 | 243 | { |
49309057 | 244 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val; |
252b5132 RH |
245 | return val; |
246 | } | |
247 | ||
dcd619be | 248 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
252b5132 | 249 | |
a5324a3e NC |
250 | static void |
251 | c_symbol_merge (symbolS *debug, symbolS *normal) | |
252b5132 RH |
252 | { |
253 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
254 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
255 | ||
256 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
a5324a3e NC |
257 | /* Take the most we have. */ |
258 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
252b5132 RH |
259 | |
260 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
a5324a3e NC |
261 | /* Move all the auxiliary information. */ |
262 | memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug), | |
263 | (S_GET_NUMBER_AUXILIARY (debug) | |
264 | * sizeof (*SYM_AUXINFO (debug)))); | |
252b5132 | 265 | |
dcd619be | 266 | /* Move the debug flags. */ |
252b5132 RH |
267 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
268 | } | |
269 | ||
270 | void | |
a4528eeb | 271 | c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED) |
252b5132 RH |
272 | { |
273 | symbolS *symbolP; | |
274 | ||
0561a208 ILT |
275 | /* BFD converts filename to a .file symbol with an aux entry. It |
276 | also handles chaining. */ | |
252b5132 RH |
277 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
278 | ||
279 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
280 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
281 | ||
49309057 | 282 | symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING; |
252b5132 RH |
283 | |
284 | #ifndef NO_LISTING | |
285 | { | |
286 | extern int listing; | |
a5324a3e | 287 | |
252b5132 | 288 | if (listing) |
a5324a3e | 289 | listing_source_file (filename); |
252b5132 RH |
290 | } |
291 | #endif | |
292 | ||
a5324a3e | 293 | /* Make sure that the symbol is first on the symbol chain. */ |
252b5132 RH |
294 | if (symbol_rootP != symbolP) |
295 | { | |
296 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
297 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
a5324a3e | 298 | } |
252b5132 RH |
299 | } |
300 | ||
a5324a3e | 301 | /* Line number handling. */ |
252b5132 | 302 | |
a5324a3e NC |
303 | struct line_no |
304 | { | |
252b5132 RH |
305 | struct line_no *next; |
306 | fragS *frag; | |
307 | alent l; | |
308 | }; | |
309 | ||
310 | int coff_line_base; | |
311 | ||
312 | /* Symbol of last function, which we should hang line#s off of. */ | |
313 | static symbolS *line_fsym; | |
314 | ||
315 | #define in_function() (line_fsym != 0) | |
316 | #define clear_function() (line_fsym = 0) | |
317 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) | |
318 | ||
319 | \f | |
320 | void | |
a5324a3e | 321 | coff_obj_symbol_new_hook (symbolS *symbolP) |
252b5132 RH |
322 | { |
323 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
a5324a3e | 324 | char * s = xmalloc (sz); |
dcd619be | 325 | |
252b5132 | 326 | memset (s, 0, sz); |
49309057 | 327 | coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s; |
252b5132 RH |
328 | |
329 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
330 | S_SET_STORAGE_CLASS (symbolP, 0); | |
331 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
332 | ||
333 | if (S_IS_STRING (symbolP)) | |
334 | SF_SET_STRING (symbolP); | |
dcd619be | 335 | |
252b5132 RH |
336 | if (S_IS_LOCAL (symbolP)) |
337 | SF_SET_LOCAL (symbolP); | |
338 | } | |
339 | ||
340 | \f | |
a5324a3e | 341 | /* Handle .ln directives. */ |
252b5132 RH |
342 | |
343 | static symbolS *current_lineno_sym; | |
344 | static struct line_no *line_nos; | |
a5324a3e | 345 | /* FIXME: Blindly assume all .ln directives will be in the .text section. */ |
252b5132 RH |
346 | int coff_n_line_nos; |
347 | ||
348 | static void | |
a5324a3e | 349 | add_lineno (fragS * frag, addressT offset, int num) |
252b5132 | 350 | { |
a5324a3e NC |
351 | struct line_no * new_line = xmalloc (sizeof (* new_line)); |
352 | ||
252b5132 | 353 | if (!current_lineno_sym) |
a5324a3e | 354 | abort (); |
6877bb43 TR |
355 | |
356 | #ifndef OBJ_XCOFF | |
a5324a3e | 357 | /* The native aix assembler accepts negative line number. */ |
6877bb43 | 358 | |
dcd619be | 359 | if (num <= 0) |
e8a3ab75 ILT |
360 | { |
361 | /* Zero is used as an end marker in the file. */ | |
b985eaa8 ILT |
362 | as_warn (_("Line numbers must be positive integers\n")); |
363 | num = 1; | |
e8a3ab75 | 364 | } |
6877bb43 | 365 | #endif /* OBJ_XCOFF */ |
252b5132 RH |
366 | new_line->next = line_nos; |
367 | new_line->frag = frag; | |
368 | new_line->l.line_number = num; | |
369 | new_line->l.u.offset = offset; | |
370 | line_nos = new_line; | |
371 | coff_n_line_nos++; | |
372 | } | |
373 | ||
374 | void | |
a5324a3e | 375 | coff_add_linesym (symbolS *sym) |
252b5132 RH |
376 | { |
377 | if (line_nos) | |
378 | { | |
49309057 ILT |
379 | coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno = |
380 | (alent *) line_nos; | |
252b5132 RH |
381 | coff_n_line_nos++; |
382 | line_nos = 0; | |
383 | } | |
384 | current_lineno_sym = sym; | |
385 | } | |
386 | ||
387 | static void | |
a5324a3e | 388 | obj_coff_ln (int appline) |
252b5132 RH |
389 | { |
390 | int l; | |
391 | ||
392 | if (! appline && def_symbol_in_progress != NULL) | |
393 | { | |
394 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); | |
395 | demand_empty_rest_of_line (); | |
396 | return; | |
397 | } | |
398 | ||
399 | l = get_absolute_expression (); | |
252b5132 | 400 | |
e237d851 NC |
401 | /* If there is no lineno symbol, treat a .ln |
402 | directive as if it were a .appline directive. */ | |
403 | if (appline || current_lineno_sym == NULL) | |
252b5132 | 404 | new_logical_line ((char *) NULL, l - 1); |
e237d851 NC |
405 | else |
406 | add_lineno (frag_now, frag_now_fix (), l); | |
252b5132 RH |
407 | |
408 | #ifndef NO_LISTING | |
409 | { | |
410 | extern int listing; | |
411 | ||
412 | if (listing) | |
413 | { | |
414 | if (! appline) | |
415 | l += coff_line_base - 1; | |
416 | listing_source_line (l); | |
417 | } | |
418 | } | |
419 | #endif | |
420 | ||
421 | demand_empty_rest_of_line (); | |
422 | } | |
423 | ||
28428223 ILT |
424 | /* .loc is essentially the same as .ln; parse it for assembler |
425 | compatibility. */ | |
426 | ||
427 | static void | |
a5324a3e | 428 | obj_coff_loc (int ignore ATTRIBUTE_UNUSED) |
28428223 ILT |
429 | { |
430 | int lineno; | |
431 | ||
432 | /* FIXME: Why do we need this check? We need it for ECOFF, but why | |
433 | do we need it for COFF? */ | |
434 | if (now_seg != text_section) | |
435 | { | |
436 | as_warn (_(".loc outside of .text")); | |
437 | demand_empty_rest_of_line (); | |
438 | return; | |
439 | } | |
440 | ||
441 | if (def_symbol_in_progress != NULL) | |
442 | { | |
443 | as_warn (_(".loc pseudo-op inside .def/.endef: ignored.")); | |
444 | demand_empty_rest_of_line (); | |
445 | return; | |
446 | } | |
447 | ||
448 | /* Skip the file number. */ | |
449 | SKIP_WHITESPACE (); | |
450 | get_absolute_expression (); | |
451 | SKIP_WHITESPACE (); | |
452 | ||
453 | lineno = get_absolute_expression (); | |
454 | ||
455 | #ifndef NO_LISTING | |
456 | { | |
457 | extern int listing; | |
458 | ||
459 | if (listing) | |
460 | { | |
cc8a6dd0 | 461 | lineno += coff_line_base - 1; |
28428223 ILT |
462 | listing_source_line (lineno); |
463 | } | |
464 | } | |
465 | #endif | |
466 | ||
467 | demand_empty_rest_of_line (); | |
468 | ||
469 | add_lineno (frag_now, frag_now_fix (), lineno); | |
470 | } | |
471 | ||
7a6284c4 ILT |
472 | /* Handle the .ident pseudo-op. */ |
473 | ||
474 | static void | |
a5324a3e | 475 | obj_coff_ident (int ignore ATTRIBUTE_UNUSED) |
7a6284c4 ILT |
476 | { |
477 | segT current_seg = now_seg; | |
478 | subsegT current_subseg = now_subseg; | |
479 | ||
480 | #ifdef TE_PE | |
481 | { | |
482 | segT sec; | |
483 | ||
484 | /* We could put it in .comment, but that creates an extra section | |
485 | that shouldn't be loaded into memory, which requires linker | |
486 | changes... For now, until proven otherwise, use .rdata. */ | |
487 | sec = subseg_new (".rdata$zzz", 0); | |
488 | bfd_set_section_flags (stdoutput, sec, | |
489 | ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA) | |
490 | & bfd_applicable_section_flags (stdoutput))); | |
491 | } | |
492 | #else | |
493 | subseg_new (".comment", 0); | |
494 | #endif | |
495 | ||
496 | stringer (1); | |
497 | subseg_set (current_seg, current_subseg); | |
498 | } | |
499 | ||
a5324a3e NC |
500 | /* Handle .def directives. |
501 | ||
502 | One might ask : why can't we symbol_new if the symbol does not | |
503 | already exist and fill it with debug information. Because of | |
504 | the C_EFCN special symbol. It would clobber the value of the | |
505 | function symbol before we have a chance to notice that it is | |
506 | a C_EFCN. And a second reason is that the code is more clear this | |
507 | way. (at least I think it is :-). */ | |
252b5132 RH |
508 | |
509 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
510 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a5324a3e NC |
511 | *input_line_pointer == '\t') \ |
512 | input_line_pointer++; | |
252b5132 RH |
513 | |
514 | static void | |
a5324a3e | 515 | obj_coff_def (int what ATTRIBUTE_UNUSED) |
252b5132 | 516 | { |
a5324a3e NC |
517 | char name_end; /* Char after the end of name. */ |
518 | char *symbol_name; /* Name of the debug symbol. */ | |
519 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
520 | unsigned int symbol_name_length; |
521 | ||
522 | if (def_symbol_in_progress != NULL) | |
523 | { | |
524 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
525 | demand_empty_rest_of_line (); | |
526 | return; | |
a5324a3e | 527 | } |
252b5132 RH |
528 | |
529 | SKIP_WHITESPACES (); | |
530 | ||
531 | symbol_name = input_line_pointer; | |
532 | #ifdef STRIP_UNDERSCORE | |
533 | if (symbol_name[0] == '_' && symbol_name[1] != 0) | |
534 | symbol_name++; | |
a5324a3e | 535 | #endif |
252b5132 RH |
536 | |
537 | name_end = get_symbol_end (); | |
538 | symbol_name_length = strlen (symbol_name); | |
539 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
540 | strcpy (symbol_name_copy, symbol_name); | |
541 | #ifdef tc_canonicalize_symbol_name | |
542 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
543 | #endif | |
544 | ||
a5324a3e | 545 | /* Initialize the new symbol. */ |
252b5132 | 546 | def_symbol_in_progress = symbol_make (symbol_name_copy); |
49309057 | 547 | symbol_set_frag (def_symbol_in_progress, &zero_address_frag); |
252b5132 RH |
548 | S_SET_VALUE (def_symbol_in_progress, 0); |
549 | ||
550 | if (S_IS_STRING (def_symbol_in_progress)) | |
551 | SF_SET_STRING (def_symbol_in_progress); | |
552 | ||
553 | *input_line_pointer = name_end; | |
554 | ||
555 | demand_empty_rest_of_line (); | |
556 | } | |
557 | ||
558 | unsigned int dim_index; | |
559 | ||
560 | static void | |
a5324a3e | 561 | obj_coff_endef (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 562 | { |
c9900432 | 563 | symbolS *symbolP = NULL; |
252b5132 | 564 | |
252b5132 RH |
565 | dim_index = 0; |
566 | if (def_symbol_in_progress == NULL) | |
567 | { | |
568 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
569 | demand_empty_rest_of_line (); | |
570 | return; | |
a5324a3e | 571 | } |
252b5132 | 572 | |
dcd619be | 573 | /* Set the section number according to storage class. */ |
252b5132 RH |
574 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
575 | { | |
576 | case C_STRTAG: | |
577 | case C_ENTAG: | |
578 | case C_UNTAG: | |
579 | SF_SET_TAG (def_symbol_in_progress); | |
a5324a3e | 580 | /* Fall through. */ |
252b5132 RH |
581 | case C_FILE: |
582 | case C_TPDEF: | |
583 | SF_SET_DEBUG (def_symbol_in_progress); | |
584 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); | |
585 | break; | |
586 | ||
587 | case C_EFCN: | |
dcd619be | 588 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ |
a5324a3e | 589 | /* Fall through. */ |
252b5132 | 590 | case C_BLOCK: |
a5324a3e NC |
591 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing. */ |
592 | /* Fall through. */ | |
252b5132 RH |
593 | case C_FCN: |
594 | { | |
5a38dc70 | 595 | const char *name; |
a5324a3e | 596 | |
252b5132 RH |
597 | S_SET_SEGMENT (def_symbol_in_progress, text_section); |
598 | ||
49309057 | 599 | name = S_GET_NAME (def_symbol_in_progress); |
23dab925 | 600 | if (name[0] == '.' && name[2] == 'f' && name[3] == '\0') |
cc8a6dd0 | 601 | { |
23dab925 ILT |
602 | switch (name[1]) |
603 | { | |
dcd619be | 604 | case 'b': |
23dab925 ILT |
605 | /* .bf */ |
606 | if (! in_function ()) | |
607 | as_warn (_("`%s' symbol without preceding function"), name); | |
608 | /* Will need relocating. */ | |
609 | SF_SET_PROCESS (def_symbol_in_progress); | |
610 | clear_function (); | |
611 | break; | |
612 | #ifdef TE_PE | |
dcd619be | 613 | case 'e': |
23dab925 ILT |
614 | /* .ef */ |
615 | /* The MS compilers output the actual endline, not the | |
616 | function-relative one... we want to match without | |
617 | changing the assembler input. */ | |
dcd619be | 618 | SA_SET_SYM_LNNO (def_symbol_in_progress, |
23dab925 ILT |
619 | (SA_GET_SYM_LNNO (def_symbol_in_progress) |
620 | + coff_line_base)); | |
621 | break; | |
622 | #endif | |
623 | } | |
252b5132 RH |
624 | } |
625 | } | |
626 | break; | |
627 | ||
628 | #ifdef C_AUTOARG | |
629 | case C_AUTOARG: | |
630 | #endif /* C_AUTOARG */ | |
631 | case C_AUTO: | |
632 | case C_REG: | |
633 | case C_ARG: | |
634 | case C_REGPARM: | |
635 | case C_FIELD: | |
56385375 L |
636 | |
637 | /* According to the COFF documentation: | |
638 | ||
639 | http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html | |
640 | ||
641 | A special section number (-2) marks symbolic debugging symbols, | |
642 | including structure/union/enumeration tag names, typedefs, and | |
dcd619be | 643 | the name of the file. A section number of -1 indicates that the |
56385375 | 644 | symbol has a value but is not relocatable. Examples of |
dcd619be KH |
645 | absolute-valued symbols include automatic and register variables, |
646 | function arguments, and .eos symbols. | |
56385375 L |
647 | |
648 | But from Ian Lance Taylor: | |
649 | ||
650 | http://sources.redhat.com/ml/binutils/2000-08/msg00202.html | |
651 | ||
652 | the actual tools all marked them as section -1. So the GNU COFF | |
653 | assembler follows historical COFF assemblers. | |
654 | ||
655 | However, it causes problems for djgpp | |
656 | ||
657 | http://sources.redhat.com/ml/binutils/2000-08/msg00210.html | |
658 | ||
659 | By defining STRICTCOFF, a COFF port can make the assembler to | |
dcd619be | 660 | follow the documented behavior. */ |
56385375 | 661 | #ifdef STRICTCOFF |
252b5132 RH |
662 | case C_MOS: |
663 | case C_MOE: | |
664 | case C_MOU: | |
665 | case C_EOS: | |
56385375 | 666 | #endif |
d1d8ba22 | 667 | SF_SET_DEBUG (def_symbol_in_progress); |
252b5132 RH |
668 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
669 | break; | |
670 | ||
56385375 L |
671 | #ifndef STRICTCOFF |
672 | case C_MOS: | |
673 | case C_MOE: | |
674 | case C_MOU: | |
675 | case C_EOS: | |
676 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
677 | break; | |
678 | #endif | |
679 | ||
252b5132 RH |
680 | case C_EXT: |
681 | case C_WEAKEXT: | |
682 | #ifdef TE_PE | |
683 | case C_NT_WEAK: | |
684 | #endif | |
685 | case C_STAT: | |
686 | case C_LABEL: | |
a5324a3e | 687 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
688 | break; |
689 | ||
690 | default: | |
691 | case C_USTATIC: | |
692 | case C_EXTDEF: | |
693 | case C_ULABEL: | |
694 | as_warn (_("unexpected storage class %d"), | |
695 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
696 | break; | |
a5324a3e | 697 | } |
252b5132 RH |
698 | |
699 | /* Now that we have built a debug symbol, try to find if we should | |
700 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
9690c54d ILT |
701 | absolute_section or untagged SEG_DEBUG it never merges. We also |
702 | don't merge labels, which are in a different namespace, nor | |
703 | symbols which have not yet been defined since they are typically | |
704 | unique, nor do we merge tags with non-tags. */ | |
252b5132 RH |
705 | |
706 | /* Two cases for functions. Either debug followed by definition or | |
707 | definition followed by debug. For definition first, we will | |
708 | merge the debug symbol into the definition. For debug first, the | |
709 | lineno entry MUST point to the definition function or else it | |
710 | will point off into space when obj_crawl_symbol_chain() merges | |
711 | the debug symbol into the real symbol. Therefor, let's presume | |
dcd619be | 712 | the debug symbol is a real function reference. */ |
252b5132 RH |
713 | |
714 | /* FIXME-SOON If for some reason the definition label/symbol is | |
715 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 716 | time. */ |
252b5132 RH |
717 | |
718 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
9690c54d | 719 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL |
a5324a3e NC |
720 | || (streq (bfd_get_section_name (stdoutput, |
721 | S_GET_SEGMENT (def_symbol_in_progress)), | |
722 | "*DEBUG*") | |
252b5132 RH |
723 | && !SF_GET_TAG (def_symbol_in_progress)) |
724 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
9690c54d ILT |
725 | || ! symbol_constant_p (def_symbol_in_progress) |
726 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
cc8a6dd0 | 727 | DO_NOT_STRIP)) == NULL |
9690c54d | 728 | || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)) |
252b5132 | 729 | { |
9690c54d | 730 | /* If it already is at the end of the symbol list, do nothing */ |
252b5132 | 731 | if (def_symbol_in_progress != symbol_lastP) |
cc8a6dd0 | 732 | { |
9690c54d ILT |
733 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
734 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
735 | &symbol_lastP); | |
cc8a6dd0 | 736 | } |
252b5132 RH |
737 | } |
738 | else | |
739 | { | |
740 | /* This symbol already exists, merge the newly created symbol | |
741 | into the old one. This is not mandatory. The linker can | |
742 | handle duplicate symbols correctly. But I guess that it save | |
743 | a *lot* of space if the assembly file defines a lot of | |
a5324a3e | 744 | symbols. [loic] */ |
252b5132 RH |
745 | |
746 | /* The debug entry (def_symbol_in_progress) is merged into the | |
dcd619be | 747 | previous definition. */ |
252b5132 RH |
748 | |
749 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
750 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
751 | ||
752 | def_symbol_in_progress = symbolP; | |
753 | ||
754 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
755 | || SF_GET_TAG (def_symbol_in_progress) | |
756 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
757 | { | |
758 | /* For functions, and tags, and static symbols, the symbol | |
759 | *must* be where the debug symbol appears. Move the | |
dcd619be | 760 | existing symbol to the current place. */ |
a5324a3e | 761 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
762 | if (def_symbol_in_progress != symbol_lastP) |
763 | { | |
764 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
765 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
766 | } | |
767 | } | |
768 | } | |
769 | ||
770 | if (SF_GET_TAG (def_symbol_in_progress)) | |
771 | { | |
772 | symbolS *oldtag; | |
773 | ||
774 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
775 | DO_NOT_STRIP); | |
776 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
777 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
778 | def_symbol_in_progress); | |
779 | } | |
780 | ||
781 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
782 | { | |
783 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
784 | set_function (def_symbol_in_progress); | |
785 | SF_SET_PROCESS (def_symbol_in_progress); | |
786 | ||
787 | if (symbolP == NULL) | |
a5324a3e NC |
788 | /* That is, if this is the first time we've seen the |
789 | function. */ | |
790 | symbol_table_insert (def_symbol_in_progress); | |
791 | ||
792 | } | |
252b5132 RH |
793 | |
794 | def_symbol_in_progress = NULL; | |
795 | demand_empty_rest_of_line (); | |
796 | } | |
797 | ||
798 | static void | |
a5324a3e | 799 | obj_coff_dim (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
800 | { |
801 | int dim_index; | |
802 | ||
803 | if (def_symbol_in_progress == NULL) | |
804 | { | |
805 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
806 | demand_empty_rest_of_line (); | |
807 | return; | |
a5324a3e | 808 | } |
252b5132 RH |
809 | |
810 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
811 | ||
812 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
813 | { | |
814 | SKIP_WHITESPACES (); | |
815 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
816 | get_absolute_expression ()); | |
817 | ||
818 | switch (*input_line_pointer) | |
819 | { | |
820 | case ',': | |
821 | input_line_pointer++; | |
822 | break; | |
823 | ||
824 | default: | |
825 | as_warn (_("badly formed .dim directive ignored")); | |
a5324a3e | 826 | /* Fall through. */ |
252b5132 RH |
827 | case '\n': |
828 | case ';': | |
829 | dim_index = DIMNUM; | |
830 | break; | |
831 | } | |
832 | } | |
833 | ||
834 | demand_empty_rest_of_line (); | |
835 | } | |
836 | ||
837 | static void | |
a5324a3e | 838 | obj_coff_line (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
839 | { |
840 | int this_base; | |
841 | ||
842 | if (def_symbol_in_progress == NULL) | |
843 | { | |
844 | /* Probably stabs-style line? */ | |
845 | obj_coff_ln (0); | |
846 | return; | |
847 | } | |
848 | ||
849 | this_base = get_absolute_expression (); | |
a5324a3e | 850 | if (streq (".bf", S_GET_NAME (def_symbol_in_progress))) |
252b5132 RH |
851 | coff_line_base = this_base; |
852 | ||
853 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
23dab925 | 854 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); |
252b5132 RH |
855 | |
856 | demand_empty_rest_of_line (); | |
857 | ||
858 | #ifndef NO_LISTING | |
a5324a3e | 859 | if (streq (".bf", S_GET_NAME (def_symbol_in_progress))) |
252b5132 RH |
860 | { |
861 | extern int listing; | |
862 | ||
863 | if (listing) | |
23dab925 | 864 | listing_source_line ((unsigned int) this_base); |
252b5132 RH |
865 | } |
866 | #endif | |
867 | } | |
868 | ||
869 | static void | |
a5324a3e | 870 | obj_coff_size (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
871 | { |
872 | if (def_symbol_in_progress == NULL) | |
873 | { | |
874 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
875 | demand_empty_rest_of_line (); | |
876 | return; | |
a5324a3e | 877 | } |
252b5132 RH |
878 | |
879 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
880 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
881 | demand_empty_rest_of_line (); | |
882 | } | |
883 | ||
884 | static void | |
a5324a3e | 885 | obj_coff_scl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
886 | { |
887 | if (def_symbol_in_progress == NULL) | |
888 | { | |
889 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
890 | demand_empty_rest_of_line (); | |
891 | return; | |
a5324a3e | 892 | } |
252b5132 RH |
893 | |
894 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
895 | demand_empty_rest_of_line (); | |
896 | } | |
897 | ||
898 | static void | |
a5324a3e | 899 | obj_coff_tag (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
900 | { |
901 | char *symbol_name; | |
902 | char name_end; | |
903 | ||
904 | if (def_symbol_in_progress == NULL) | |
905 | { | |
906 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
907 | demand_empty_rest_of_line (); | |
908 | return; | |
909 | } | |
910 | ||
911 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
912 | symbol_name = input_line_pointer; | |
913 | name_end = get_symbol_end (); | |
914 | ||
915 | #ifdef tc_canonicalize_symbol_name | |
916 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
917 | #endif | |
918 | ||
919 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 920 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
921 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
922 | tag_find_or_make (symbol_name)); | |
923 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
a5324a3e | 924 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
925 | |
926 | SF_SET_TAGGED (def_symbol_in_progress); | |
927 | *input_line_pointer = name_end; | |
928 | ||
929 | demand_empty_rest_of_line (); | |
930 | } | |
931 | ||
932 | static void | |
a5324a3e | 933 | obj_coff_type (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
934 | { |
935 | if (def_symbol_in_progress == NULL) | |
936 | { | |
937 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
938 | demand_empty_rest_of_line (); | |
939 | return; | |
a5324a3e | 940 | } |
252b5132 RH |
941 | |
942 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
943 | ||
944 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
945 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
a5324a3e | 946 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
947 | |
948 | demand_empty_rest_of_line (); | |
949 | } | |
950 | ||
951 | static void | |
a5324a3e | 952 | obj_coff_val (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
953 | { |
954 | if (def_symbol_in_progress == NULL) | |
955 | { | |
956 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
957 | demand_empty_rest_of_line (); | |
958 | return; | |
a5324a3e | 959 | } |
252b5132 RH |
960 | |
961 | if (is_name_beginner (*input_line_pointer)) | |
962 | { | |
963 | char *symbol_name = input_line_pointer; | |
964 | char name_end = get_symbol_end (); | |
965 | ||
966 | #ifdef tc_canonicalize_symbol_name | |
967 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
968 | #endif | |
a5324a3e | 969 | if (streq (symbol_name, ".")) |
252b5132 | 970 | { |
a5324a3e | 971 | /* If the .val is != from the .def (e.g. statics). */ |
49309057 | 972 | symbol_set_frag (def_symbol_in_progress, frag_now); |
252b5132 | 973 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
252b5132 | 974 | } |
a5324a3e | 975 | else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name)) |
252b5132 | 976 | { |
49309057 ILT |
977 | expressionS exp; |
978 | ||
979 | exp.X_op = O_symbol; | |
980 | exp.X_add_symbol = symbol_find_or_make (symbol_name); | |
981 | exp.X_op_symbol = NULL; | |
982 | exp.X_add_number = 0; | |
983 | symbol_set_value_expression (def_symbol_in_progress, &exp); | |
252b5132 RH |
984 | |
985 | /* If the segment is undefined when the forward reference is | |
986 | resolved, then copy the segment id from the forward | |
987 | symbol. */ | |
988 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
0561a208 ILT |
989 | |
990 | /* FIXME: gcc can generate address expressions here in | |
991 | unusual cases (search for "obscure" in sdbout.c). We | |
992 | just ignore the offset here, thus generating incorrect | |
993 | debugging information. We ignore the rest of the line | |
994 | just below. */ | |
252b5132 | 995 | } |
0561a208 | 996 | /* Otherwise, it is the name of a non debug symbol and its value |
dcd619be | 997 | will be calculated later. */ |
252b5132 RH |
998 | *input_line_pointer = name_end; |
999 | } | |
1000 | else | |
1001 | { | |
1002 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
a5324a3e | 1003 | } |
252b5132 RH |
1004 | |
1005 | demand_empty_rest_of_line (); | |
1006 | } | |
1007 | ||
977cdf5a NC |
1008 | #ifdef TE_PE |
1009 | ||
1010 | /* Return nonzero if name begins with weak alternate symbol prefix. */ | |
1011 | ||
1012 | static int | |
1013 | weak_is_altname (const char * name) | |
1014 | { | |
a5324a3e | 1015 | return strneq (name, weak_altprefix, sizeof (weak_altprefix) - 1); |
977cdf5a NC |
1016 | } |
1017 | ||
1018 | /* Return the name of the alternate symbol | |
1019 | name corresponding to a weak symbol's name. */ | |
1020 | ||
1021 | static const char * | |
1022 | weak_name2altname (const char * name) | |
1023 | { | |
1024 | char *alt_name; | |
1025 | ||
1026 | alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name)); | |
1027 | strcpy (alt_name, weak_altprefix); | |
1028 | return strcat (alt_name, name); | |
1029 | } | |
1030 | ||
a5324a3e | 1031 | /* Return the name of the weak symbol corresponding to an |
977cdf5a NC |
1032 | alterate symbol. */ |
1033 | ||
1034 | static const char * | |
1035 | weak_altname2name (const char * name) | |
1036 | { | |
1037 | char * weak_name; | |
1038 | char * dot; | |
1039 | ||
1040 | assert (weak_is_altname (name)); | |
1041 | ||
1042 | weak_name = xstrdup (name + 6); | |
1043 | if ((dot = strchr (weak_name, '.'))) | |
1044 | *dot = 0; | |
1045 | return weak_name; | |
1046 | } | |
1047 | ||
1048 | /* Make a weak symbol name unique by | |
1049 | appending the name of an external symbol. */ | |
1050 | ||
1051 | static const char * | |
1052 | weak_uniquify (const char * name) | |
1053 | { | |
1054 | char *ret; | |
1055 | const char * unique = ""; | |
1056 | ||
1057 | #ifdef USE_UNIQUE | |
1058 | if (an_external_name != NULL) | |
1059 | unique = an_external_name; | |
1060 | #endif | |
1061 | assert (weak_is_altname (name)); | |
1062 | ||
1063 | if (strchr (name + sizeof (weak_altprefix), '.')) | |
1064 | return name; | |
1065 | ||
1066 | ret = xmalloc (strlen (name) + strlen (unique) + 2); | |
1067 | strcpy (ret, name); | |
1068 | strcat (ret, "."); | |
1069 | strcat (ret, unique); | |
1070 | return ret; | |
1071 | } | |
1072 | ||
1073 | #endif /* TE_PE */ | |
1074 | ||
c87db184 | 1075 | /* Handle .weak. This is a GNU extension in formats other than PE. */ |
977cdf5a | 1076 | |
c87db184 | 1077 | static void |
977cdf5a | 1078 | obj_coff_weak (int ignore ATTRIBUTE_UNUSED) |
c87db184 CF |
1079 | { |
1080 | char *name; | |
1081 | int c; | |
1082 | symbolS *symbolP; | |
977cdf5a NC |
1083 | #ifdef TE_PE |
1084 | symbolS *alternateP; | |
1085 | #endif | |
c87db184 CF |
1086 | |
1087 | do | |
1088 | { | |
1089 | name = input_line_pointer; | |
1090 | c = get_symbol_end (); | |
1091 | if (*name == 0) | |
1092 | { | |
1093 | as_warn (_("badly formed .weak directive ignored")); | |
1094 | ignore_rest_of_line (); | |
1095 | return; | |
1096 | } | |
977cdf5a | 1097 | c = 0; |
c87db184 CF |
1098 | symbolP = symbol_find_or_make (name); |
1099 | *input_line_pointer = c; | |
1100 | SKIP_WHITESPACE (); | |
1101 | ||
1102 | #if defined BFD_ASSEMBLER || defined S_SET_WEAK | |
1103 | S_SET_WEAK (symbolP); | |
1104 | #endif | |
1105 | ||
1106 | #ifdef TE_PE | |
1107 | /* See _Microsoft Portable Executable and Common Object | |
977cdf5a NC |
1108 | File Format Specification_, section 5.5.3. |
1109 | Create a symbol representing the alternate value. | |
1110 | coff_frob_symbol will set the value of this symbol from | |
1111 | the value of the weak symbol itself. */ | |
c87db184 | 1112 | S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK); |
977cdf5a NC |
1113 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
1114 | SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_LIBRARY); | |
c87db184 | 1115 | |
977cdf5a NC |
1116 | alternateP = symbol_find_or_make (weak_name2altname (name)); |
1117 | S_SET_EXTERNAL (alternateP); | |
1118 | S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK); | |
c87db184 | 1119 | |
977cdf5a NC |
1120 | SA_SET_SYM_TAGNDX (symbolP, alternateP); |
1121 | #endif | |
c87db184 CF |
1122 | |
1123 | if (c == ',') | |
1124 | { | |
1125 | input_line_pointer++; | |
1126 | SKIP_WHITESPACE (); | |
1127 | if (*input_line_pointer == '\n') | |
1128 | c = '\n'; | |
1129 | } | |
1130 | ||
1131 | } | |
1132 | while (c == ','); | |
1133 | ||
1134 | demand_empty_rest_of_line (); | |
1135 | } | |
1136 | ||
252b5132 | 1137 | void |
a5324a3e | 1138 | coff_obj_read_begin_hook (void) |
252b5132 | 1139 | { |
dcd619be | 1140 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
1141 | #ifndef BFD_HEADERS |
1142 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
1143 | know (SYMESZ == AUXESZ); | |
1144 | #endif | |
1145 | tag_init (); | |
1146 | } | |
1147 | ||
252b5132 | 1148 | symbolS *coff_last_function; |
17fc154e | 1149 | #ifndef OBJ_XCOFF |
252b5132 | 1150 | static symbolS *coff_last_bf; |
17fc154e | 1151 | #endif |
252b5132 RH |
1152 | |
1153 | void | |
a5324a3e | 1154 | coff_frob_symbol (symbolS *symp, int *punt) |
252b5132 RH |
1155 | { |
1156 | static symbolS *last_tagP; | |
1157 | static stack *block_stack; | |
1158 | static symbolS *set_end; | |
1159 | symbolS *next_set_end = NULL; | |
1160 | ||
1161 | if (symp == &abs_symbol) | |
1162 | { | |
1163 | *punt = 1; | |
1164 | return; | |
1165 | } | |
1166 | ||
1167 | if (current_lineno_sym) | |
a5324a3e | 1168 | coff_add_linesym (NULL); |
252b5132 RH |
1169 | |
1170 | if (!block_stack) | |
1171 | block_stack = stack_init (512, sizeof (symbolS*)); | |
1172 | ||
252b5132 | 1173 | #ifdef TE_PE |
977cdf5a NC |
1174 | if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK |
1175 | && ! S_IS_WEAK (symp) | |
1176 | && weak_is_altname (S_GET_NAME (symp))) | |
1177 | { | |
1178 | /* This is a weak alternate symbol. All processing of | |
1179 | PECOFFweak symbols is done here, through the alternate. */ | |
1180 | symbolS *weakp = symbol_find (weak_altname2name (S_GET_NAME (symp))); | |
1181 | ||
1182 | assert (weakp); | |
1183 | assert (S_GET_NUMBER_AUXILIARY (weakp) == 1); | |
1184 | ||
1185 | if (symbol_equated_p (weakp)) | |
1186 | { | |
1187 | /* The weak symbol has an alternate specified; symp is unneeded. */ | |
1188 | S_SET_STORAGE_CLASS (weakp, C_NT_WEAK); | |
1189 | SA_SET_SYM_TAGNDX (weakp, | |
1190 | symbol_get_value_expression (weakp)->X_add_symbol); | |
1191 | ||
1192 | S_CLEAR_EXTERNAL (symp); | |
1193 | *punt = 1; | |
1194 | return; | |
1195 | } | |
1196 | else | |
1197 | { | |
1198 | /* The weak symbol has been assigned an alternate value. | |
1199 | Copy this value to symp, and set symp as weakp's alternate. */ | |
1200 | if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK) | |
1201 | { | |
1202 | S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp)); | |
1203 | S_SET_STORAGE_CLASS (weakp, C_NT_WEAK); | |
1204 | } | |
1205 | ||
1206 | if (S_IS_DEFINED (weakp)) | |
1207 | { | |
1208 | /* This is a defined weak symbol. Copy value information | |
1209 | from the weak symbol itself to the alternate symbol. */ | |
1210 | symbol_set_value_expression (symp, | |
1211 | symbol_get_value_expression (weakp)); | |
1212 | symbol_set_frag (symp, symbol_get_frag (weakp)); | |
1213 | S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp)); | |
1214 | } | |
1215 | else | |
1216 | { | |
1217 | /* This is an undefined weak symbol. | |
1218 | Define the alternate symbol to zero. */ | |
1219 | S_SET_VALUE (symp, 0); | |
1220 | S_SET_SEGMENT (symp, absolute_section); | |
1221 | } | |
1222 | ||
1223 | S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp))); | |
1224 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1225 | ||
1226 | S_SET_VALUE (weakp, 0); | |
1227 | S_SET_SEGMENT (weakp, undefined_section); | |
1228 | } | |
252b5132 | 1229 | } |
977cdf5a NC |
1230 | #else /* TE_PE */ |
1231 | if (S_IS_WEAK (symp)) | |
1232 | S_SET_STORAGE_CLASS (symp, C_WEAKEXT); | |
1233 | #endif /* TE_PE */ | |
252b5132 RH |
1234 | |
1235 | if (!S_IS_DEFINED (symp) | |
1236 | && !S_IS_WEAK (symp) | |
1237 | && S_GET_STORAGE_CLASS (symp) != C_STAT) | |
1238 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1239 | ||
1240 | if (!SF_GET_DEBUG (symp)) | |
1241 | { | |
bdbe95c8 NC |
1242 | symbolS * real; |
1243 | ||
252b5132 RH |
1244 | if (!SF_GET_LOCAL (symp) |
1245 | && !SF_GET_STATICS (symp) | |
39da8128 | 1246 | && S_GET_STORAGE_CLASS (symp) != C_LABEL |
a5324a3e | 1247 | && symbol_constant_p (symp) |
252b5132 | 1248 | && (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP)) |
bdbe95c8 | 1249 | && S_GET_STORAGE_CLASS (real) == C_NULL |
252b5132 RH |
1250 | && real != symp) |
1251 | { | |
1252 | c_symbol_merge (symp, real); | |
1253 | *punt = 1; | |
39da8128 | 1254 | return; |
252b5132 | 1255 | } |
bdbe95c8 | 1256 | |
5e0d736c | 1257 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) |
252b5132 | 1258 | { |
5e0d736c DD |
1259 | assert (S_GET_VALUE (symp) == 0); |
1260 | S_SET_EXTERNAL (symp); | |
1261 | } | |
1262 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
1263 | { | |
1264 | if (S_GET_SEGMENT (symp) == text_section | |
1265 | && symp != seg_info (text_section)->sym) | |
1266 | S_SET_STORAGE_CLASS (symp, C_LABEL); | |
252b5132 | 1267 | else |
5e0d736c | 1268 | S_SET_STORAGE_CLASS (symp, C_STAT); |
252b5132 | 1269 | } |
bdbe95c8 | 1270 | |
252b5132 RH |
1271 | if (SF_GET_PROCESS (symp)) |
1272 | { | |
1273 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
1274 | { | |
a5324a3e | 1275 | if (streq (S_GET_NAME (symp), ".bb")) |
252b5132 RH |
1276 | stack_push (block_stack, (char *) &symp); |
1277 | else | |
1278 | { | |
1279 | symbolS *begin; | |
bdbe95c8 | 1280 | |
252b5132 RH |
1281 | begin = *(symbolS **) stack_pop (block_stack); |
1282 | if (begin == 0) | |
1283 | as_warn (_("mismatched .eb")); | |
1284 | else | |
1285 | next_set_end = begin; | |
1286 | } | |
1287 | } | |
bdbe95c8 | 1288 | |
252b5132 RH |
1289 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
1290 | { | |
1291 | union internal_auxent *auxp; | |
bdbe95c8 | 1292 | |
252b5132 RH |
1293 | coff_last_function = symp; |
1294 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) | |
1295 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
0561a208 | 1296 | auxp = SYM_AUXENT (symp); |
252b5132 RH |
1297 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, |
1298 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
1299 | } | |
bdbe95c8 | 1300 | |
252b5132 RH |
1301 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) |
1302 | { | |
1303 | if (coff_last_function == 0) | |
1304 | as_fatal (_("C_EFCN symbol out of scope")); | |
1305 | SA_SET_SYM_FSIZE (coff_last_function, | |
1306 | (long) (S_GET_VALUE (symp) | |
1307 | - S_GET_VALUE (coff_last_function))); | |
1308 | next_set_end = coff_last_function; | |
1309 | coff_last_function = 0; | |
1310 | } | |
1311 | } | |
bdbe95c8 | 1312 | |
252b5132 RH |
1313 | if (S_IS_EXTERNAL (symp)) |
1314 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1315 | else if (SF_GET_LOCAL (symp)) | |
1316 | *punt = 1; | |
1317 | ||
1318 | if (SF_GET_FUNCTION (symp)) | |
49309057 | 1319 | symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION; |
252b5132 RH |
1320 | } |
1321 | ||
8828d862 ILT |
1322 | /* Double check weak symbols. */ |
1323 | if (S_IS_WEAK (symp) && S_IS_COMMON (symp)) | |
1324 | as_bad (_("Symbol `%s' can not be both weak and common"), | |
1325 | S_GET_NAME (symp)); | |
1326 | ||
252b5132 RH |
1327 | if (SF_GET_TAG (symp)) |
1328 | last_tagP = symp; | |
1329 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
1330 | next_set_end = last_tagP; | |
1331 | ||
1332 | #ifdef OBJ_XCOFF | |
1333 | /* This is pretty horrible, but we have to set *punt correctly in | |
1334 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
809ffe0d | 1335 | if (! symbol_used_in_reloc_p (symp) |
49309057 | 1336 | && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0 |
670ec21d | 1337 | || (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp)) |
809ffe0d | 1338 | && ! symbol_get_tc (symp)->output |
252b5132 RH |
1339 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) |
1340 | *punt = 1; | |
1341 | #endif | |
1342 | ||
1343 | if (set_end != (symbolS *) NULL | |
1344 | && ! *punt | |
49309057 | 1345 | && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0 |
252b5132 RH |
1346 | || (S_IS_DEFINED (symp) |
1347 | && ! S_IS_COMMON (symp) | |
1348 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
1349 | { | |
1350 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1351 | set_end = NULL; | |
1352 | } | |
1353 | ||
a04b544b ILT |
1354 | if (next_set_end != NULL) |
1355 | { | |
1356 | if (set_end != NULL) | |
1357 | as_warn ("Warning: internal error: forgetting to set endndx of %s", | |
1358 | S_GET_NAME (set_end)); | |
1359 | set_end = next_set_end; | |
1360 | } | |
252b5132 | 1361 | |
8642cce8 | 1362 | #ifndef OBJ_XCOFF |
252b5132 RH |
1363 | if (! *punt |
1364 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
a5324a3e | 1365 | && streq (S_GET_NAME (symp), ".bf")) |
252b5132 RH |
1366 | { |
1367 | if (coff_last_bf != NULL) | |
1368 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1369 | coff_last_bf = symp; | |
1370 | } | |
8642cce8 | 1371 | #endif |
49309057 | 1372 | if (coffsymbol (symbol_get_bfdsym (symp))->lineno) |
252b5132 RH |
1373 | { |
1374 | int i; | |
1375 | struct line_no *lptr; | |
1376 | alent *l; | |
1377 | ||
49309057 | 1378 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1379 | for (i = 0; lptr; lptr = lptr->next) |
1380 | i++; | |
49309057 | 1381 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1382 | |
1383 | /* We need i entries for line numbers, plus 1 for the first | |
1384 | entry which BFD will override, plus 1 for the last zero | |
1385 | entry (a marker for BFD). */ | |
a5324a3e | 1386 | l = xmalloc ((i + 2) * sizeof (* l)); |
49309057 | 1387 | coffsymbol (symbol_get_bfdsym (symp))->lineno = l; |
252b5132 RH |
1388 | l[i + 1].line_number = 0; |
1389 | l[i + 1].u.sym = NULL; | |
1390 | for (; i > 0; i--) | |
1391 | { | |
1392 | if (lptr->frag) | |
bea9907b | 1393 | lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE; |
252b5132 RH |
1394 | l[i] = lptr->l; |
1395 | lptr = lptr->next; | |
1396 | } | |
1397 | } | |
1398 | } | |
1399 | ||
1400 | void | |
a5324a3e NC |
1401 | coff_adjust_section_syms (bfd *abfd ATTRIBUTE_UNUSED, |
1402 | asection *sec, | |
1403 | void * x ATTRIBUTE_UNUSED) | |
252b5132 RH |
1404 | { |
1405 | symbolS *secsym; | |
1406 | segment_info_type *seginfo = seg_info (sec); | |
1407 | int nlnno, nrelocs = 0; | |
1408 | ||
1409 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in | |
1410 | tc-ppc.c. Do not get confused by it. */ | |
1411 | if (seginfo == NULL) | |
1412 | return; | |
1413 | ||
a5324a3e | 1414 | if (streq (sec->name, ".text")) |
252b5132 RH |
1415 | nlnno = coff_n_line_nos; |
1416 | else | |
1417 | nlnno = 0; | |
1418 | { | |
1419 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1420 | entry... */ | |
1421 | fixS *fixp = seginfo->fix_root; | |
1422 | while (fixp) | |
1423 | { | |
1424 | if (! fixp->fx_done) | |
1425 | nrelocs++; | |
1426 | fixp = fixp->fx_next; | |
1427 | } | |
1428 | } | |
587aac4e | 1429 | if (bfd_get_section_size (sec) == 0 |
252b5132 RH |
1430 | && nrelocs == 0 |
1431 | && nlnno == 0 | |
1432 | && sec != text_section | |
1433 | && sec != data_section | |
1434 | && sec != bss_section) | |
1435 | return; | |
a5324a3e | 1436 | |
252b5132 | 1437 | secsym = section_symbol (sec); |
945a1a6b ILT |
1438 | /* This is an estimate; we'll plug in the real value using |
1439 | SET_SECTION_RELOCS later */ | |
252b5132 RH |
1440 | SA_SET_SCN_NRELOC (secsym, nrelocs); |
1441 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1442 | } | |
1443 | ||
1444 | void | |
a5324a3e | 1445 | coff_frob_file_after_relocs (void) |
252b5132 | 1446 | { |
a5324a3e | 1447 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, NULL); |
252b5132 RH |
1448 | } |
1449 | ||
6ff96af6 NC |
1450 | /* Implement the .section pseudo op: |
1451 | .section name {, "flags"} | |
1452 | ^ ^ | |
1453 | | +--- optional flags: 'b' for bss | |
1454 | | 'i' for info | |
1455 | +-- section name 'l' for lib | |
1456 | 'n' for noload | |
1457 | 'o' for over | |
1458 | 'w' for data | |
1459 | 'd' (apparently m88k for data) | |
1460 | 'x' for text | |
1461 | 'r' for read-only data | |
1462 | 's' for shared data (PE) | |
1463 | But if the argument is not a quoted string, treat it as a | |
1464 | subsegment number. | |
1465 | ||
1466 | Note the 'a' flag is silently ignored. This allows the same | |
1467 | .section directive to be parsed in both ELF and COFF formats. */ | |
252b5132 RH |
1468 | |
1469 | void | |
a5324a3e | 1470 | obj_coff_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 1471 | { |
a5324a3e | 1472 | /* Strip out the section name. */ |
252b5132 RH |
1473 | char *section_name; |
1474 | char c; | |
1475 | char *name; | |
1476 | unsigned int exp; | |
c9900432 | 1477 | flagword flags, oldflags; |
252b5132 RH |
1478 | asection *sec; |
1479 | ||
1480 | if (flag_mri) | |
1481 | { | |
1482 | char type; | |
1483 | ||
1484 | s_mri_sect (&type); | |
1485 | return; | |
1486 | } | |
1487 | ||
1488 | section_name = input_line_pointer; | |
1489 | c = get_symbol_end (); | |
1490 | ||
1491 | name = xmalloc (input_line_pointer - section_name + 1); | |
1492 | strcpy (name, section_name); | |
1493 | ||
1494 | *input_line_pointer = c; | |
1495 | ||
1496 | SKIP_WHITESPACE (); | |
1497 | ||
1498 | exp = 0; | |
c9900432 | 1499 | flags = SEC_NO_FLAGS; |
252b5132 RH |
1500 | |
1501 | if (*input_line_pointer == ',') | |
1502 | { | |
1503 | ++input_line_pointer; | |
1504 | SKIP_WHITESPACE (); | |
1505 | if (*input_line_pointer != '"') | |
1506 | exp = get_absolute_expression (); | |
1507 | else | |
1508 | { | |
1509 | ++input_line_pointer; | |
1510 | while (*input_line_pointer != '"' | |
1511 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1512 | { | |
1513 | switch (*input_line_pointer) | |
1514 | { | |
1515 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1af96959 | 1516 | case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break; |
e96c5464 | 1517 | |
a5324a3e NC |
1518 | case 's': flags |= SEC_COFF_SHARED; /* Fall through. */ |
1519 | case 'd': flags |= SEC_DATA | SEC_LOAD; /* Fall through. */ | |
5881e4aa | 1520 | case 'w': flags &=~ SEC_READONLY; break; |
e96c5464 | 1521 | |
aaa2624b | 1522 | case 'a': break; /* For compatibility with ELF. */ |
5881e4aa | 1523 | case 'x': flags |= SEC_CODE | SEC_LOAD; break; |
b256d4fd | 1524 | case 'r': flags |= SEC_DATA | SEC_LOAD | SEC_READONLY; break; |
252b5132 RH |
1525 | |
1526 | case 'i': /* STYP_INFO */ | |
1527 | case 'l': /* STYP_LIB */ | |
1528 | case 'o': /* STYP_OVER */ | |
1529 | as_warn (_("unsupported section attribute '%c'"), | |
1530 | *input_line_pointer); | |
1531 | break; | |
1532 | ||
1533 | default: | |
a5324a3e NC |
1534 | as_warn (_("unknown section attribute '%c'"), |
1535 | *input_line_pointer); | |
252b5132 RH |
1536 | break; |
1537 | } | |
1538 | ++input_line_pointer; | |
1539 | } | |
1540 | if (*input_line_pointer == '"') | |
1541 | ++input_line_pointer; | |
1542 | } | |
1543 | } | |
1544 | ||
1545 | sec = subseg_new (name, (subsegT) exp); | |
1546 | ||
c9900432 NC |
1547 | oldflags = bfd_get_section_flags (stdoutput, sec); |
1548 | if (oldflags == SEC_NO_FLAGS) | |
252b5132 | 1549 | { |
c9900432 NC |
1550 | /* Set section flags for a new section just created by subseg_new. |
1551 | Provide a default if no flags were parsed. */ | |
1552 | if (flags == SEC_NO_FLAGS) | |
1ad5eac0 | 1553 | flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES; |
dcd619be | 1554 | |
c9900432 NC |
1555 | #ifdef COFF_LONG_SECTION_NAMES |
1556 | /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce | |
1557 | sections so adjust_reloc_syms in write.c will correctly handle | |
1558 | relocs which refer to non-local symbols in these sections. */ | |
a5324a3e | 1559 | if (strneq (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1)) |
cc8a6dd0 | 1560 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
c9900432 | 1561 | #endif |
252b5132 RH |
1562 | |
1563 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
cc8a6dd0 KH |
1564 | as_warn (_("error setting flags for \"%s\": %s"), |
1565 | bfd_section_name (stdoutput, sec), | |
1566 | bfd_errmsg (bfd_get_error ())); | |
c9900432 NC |
1567 | } |
1568 | else if (flags != SEC_NO_FLAGS) | |
1569 | { | |
a5324a3e | 1570 | /* This section's attributes have already been set. Warn if the |
c9900432 | 1571 | attributes don't match. */ |
5dd0794d | 1572 | flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE |
ebe372c1 | 1573 | | SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD); |
c9900432 NC |
1574 | if ((flags ^ oldflags) & matchflags) |
1575 | as_warn (_("Ignoring changed section attributes for %s"), name); | |
252b5132 RH |
1576 | } |
1577 | ||
1578 | demand_empty_rest_of_line (); | |
1579 | } | |
1580 | ||
1581 | void | |
a5324a3e | 1582 | coff_adjust_symtab (void) |
252b5132 RH |
1583 | { |
1584 | if (symbol_rootP == NULL | |
1585 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
a4528eeb | 1586 | c_dot_file_symbol ("fake", 0); |
252b5132 RH |
1587 | } |
1588 | ||
1589 | void | |
a5324a3e | 1590 | coff_frob_section (segT sec) |
252b5132 RH |
1591 | { |
1592 | segT strsec; | |
1593 | char *p; | |
1594 | fragS *fragp; | |
1595 | bfd_vma size, n_entries, mask; | |
bea9907b | 1596 | bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER; |
252b5132 RH |
1597 | |
1598 | /* The COFF back end in BFD requires that all section sizes be | |
bea9907b TW |
1599 | rounded up to multiples of the corresponding section alignments, |
1600 | supposedly because standard COFF has no other way of encoding alignment | |
1601 | for sections. If your COFF flavor has a different way of encoding | |
dcd619be | 1602 | section alignment, then skip this step, as TICOFF does. */ |
587aac4e | 1603 | size = bfd_get_section_size (sec); |
bea9907b TW |
1604 | mask = ((bfd_vma) 1 << align_power) - 1; |
1605 | #if !defined(TICOFF) | |
252b5132 RH |
1606 | if (size & mask) |
1607 | { | |
7f788821 NC |
1608 | bfd_vma new_size; |
1609 | fragS *last; | |
dcd619be | 1610 | |
7f788821 NC |
1611 | new_size = (size + mask) & ~mask; |
1612 | bfd_set_section_size (stdoutput, sec, new_size); | |
1613 | ||
1614 | /* If the size had to be rounded up, add some padding in | |
1615 | the last non-empty frag. */ | |
1616 | fragp = seg_info (sec)->frchainP->frch_root; | |
1617 | last = seg_info (sec)->frchainP->frch_last; | |
1618 | while (fragp->fr_next != last) | |
cc8a6dd0 | 1619 | fragp = fragp->fr_next; |
7f788821 NC |
1620 | last->fr_address = size; |
1621 | fragp->fr_offset += new_size - size; | |
252b5132 | 1622 | } |
bea9907b | 1623 | #endif |
252b5132 RH |
1624 | |
1625 | /* If the section size is non-zero, the section symbol needs an aux | |
1626 | entry associated with it, indicating the size. We don't know | |
1627 | all the values yet; coff_frob_symbol will fill them in later. */ | |
bea9907b | 1628 | #ifndef TICOFF |
252b5132 RH |
1629 | if (size != 0 |
1630 | || sec == text_section | |
1631 | || sec == data_section | |
1632 | || sec == bss_section) | |
bea9907b | 1633 | #endif |
252b5132 RH |
1634 | { |
1635 | symbolS *secsym = section_symbol (sec); | |
1636 | ||
1637 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1638 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1639 | SF_SET_STATICS (secsym); | |
1640 | SA_SET_SCN_SCNLEN (secsym, size); | |
1641 | } | |
1642 | ||
a5324a3e | 1643 | /* FIXME: These should be in a "stabs.h" file, or maybe as.h. */ |
252b5132 RH |
1644 | #ifndef STAB_SECTION_NAME |
1645 | #define STAB_SECTION_NAME ".stab" | |
1646 | #endif | |
1647 | #ifndef STAB_STRING_SECTION_NAME | |
1648 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1649 | #endif | |
a5324a3e | 1650 | if (! streq (STAB_STRING_SECTION_NAME, sec->name)) |
252b5132 RH |
1651 | return; |
1652 | ||
1653 | strsec = sec; | |
1654 | sec = subseg_get (STAB_SECTION_NAME, 0); | |
1655 | /* size is already rounded up, since other section will be listed first */ | |
587aac4e | 1656 | size = bfd_get_section_size (strsec); |
252b5132 | 1657 | |
587aac4e | 1658 | n_entries = bfd_get_section_size (sec) / 12 - 1; |
252b5132 RH |
1659 | |
1660 | /* Find first non-empty frag. It should be large enough. */ | |
1661 | fragp = seg_info (sec)->frchainP->frch_root; | |
1662 | while (fragp && fragp->fr_fix == 0) | |
1663 | fragp = fragp->fr_next; | |
1664 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1665 | ||
1666 | /* Store the values. */ | |
1667 | p = fragp->fr_literal; | |
1668 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1669 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1670 | } | |
1671 | ||
1672 | void | |
a5324a3e | 1673 | obj_coff_init_stab_section (segT seg) |
252b5132 RH |
1674 | { |
1675 | char *file; | |
1676 | char *p; | |
1677 | char *stabstr_name; | |
1678 | unsigned int stroff; | |
1679 | ||
dcd619be | 1680 | /* Make space for this first symbol. */ |
252b5132 | 1681 | p = frag_more (12); |
dcd619be | 1682 | /* Zero it out. */ |
252b5132 RH |
1683 | memset (p, 0, 12); |
1684 | as_where (&file, (unsigned int *) NULL); | |
a5324a3e | 1685 | stabstr_name = xmalloc (strlen (seg->name) + 4); |
252b5132 RH |
1686 | strcpy (stabstr_name, seg->name); |
1687 | strcat (stabstr_name, "str"); | |
1688 | stroff = get_stab_string_offset (file, stabstr_name); | |
1689 | know (stroff == 1); | |
1690 | md_number_to_chars (p, stroff, 4); | |
1691 | } | |
1692 | ||
1693 | #ifdef DEBUG | |
252b5132 | 1694 | const char * |
a5324a3e | 1695 | s_get_name (symbolS *s) |
252b5132 RH |
1696 | { |
1697 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); | |
1698 | } | |
1699 | ||
1700 | void | |
a5324a3e | 1701 | symbol_dump (void) |
252b5132 RH |
1702 | { |
1703 | symbolS *symbolP; | |
1704 | ||
1705 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
a5324a3e NC |
1706 | printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"), |
1707 | (unsigned long) symbolP, | |
1708 | S_GET_NAME (symbolP), | |
1709 | (long) S_GET_DATA_TYPE (symbolP), | |
1710 | S_GET_STORAGE_CLASS (symbolP), | |
1711 | (int) S_GET_SEGMENT (symbolP)); | |
252b5132 RH |
1712 | } |
1713 | ||
1714 | #endif /* DEBUG */ | |
1715 | ||
1716 | #else /* not BFD_ASSEMBLER */ | |
1717 | ||
1718 | #include "frags.h" | |
dcd619be | 1719 | /* This is needed because we include internal bfd things. */ |
252b5132 RH |
1720 | #include <time.h> |
1721 | ||
1722 | #include "libbfd.h" | |
1723 | #include "libcoff.h" | |
1724 | ||
252b5132 RH |
1725 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so |
1726 | that we can stick sections together without causing trouble. */ | |
1727 | #ifndef NOP_OPCODE | |
1728 | #define NOP_OPCODE 0x00 | |
1729 | #endif | |
1730 | ||
1731 | /* The zeroes if symbol name is longer than 8 chars */ | |
1732 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1733 | ||
1734 | #define MIN(a,b) ((a) < (b)? (a) : (b)) | |
a04b544b ILT |
1735 | |
1736 | /* This vector is used to turn a gas internal segment number into a | |
1737 | section number suitable for insertion into a coff symbol table. | |
1738 | This must correspond to seg_info_off_by_4. */ | |
252b5132 RH |
1739 | |
1740 | const short seg_N_TYPE[] = | |
1741 | { /* in: segT out: N_TYPE bits */ | |
1742 | C_ABS_SECTION, | |
1743 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
1744 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1745 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1746 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1747 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ | |
1748 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1749 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1750 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1751 | C_NTV_SECTION, /* SEG_NTV */ | |
1752 | C_PTV_SECTION, /* SEG_PTV */ | |
1753 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1754 | }; | |
1755 | ||
1756 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1757 | started (the odd entry for line #0) */ | |
1758 | ||
f8e42b8c | 1759 | /* Structure used to keep the filenames which |
252b5132 | 1760 | are too long around so that we can stick them |
f8e42b8c | 1761 | into the string table. */ |
dcd619be | 1762 | struct filename_list |
252b5132 | 1763 | { |
f17c130b | 1764 | const char *filename; |
252b5132 RH |
1765 | struct filename_list *next; |
1766 | }; | |
1767 | ||
1768 | static struct filename_list *filename_list_head; | |
1769 | static struct filename_list *filename_list_tail; | |
1770 | ||
1771 | static symbolS *last_line_symbol; | |
1772 | ||
1773 | /* Add 4 to the real value to get the index and compensate the | |
1774 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
f8e42b8c | 1775 | section number into a segment number. */ |
252b5132 | 1776 | |
252b5132 | 1777 | bfd *abfd; |
f8e42b8c NC |
1778 | static symbolS *previous_file_symbol; |
1779 | static int line_base; | |
252b5132 | 1780 | |
a04b544b | 1781 | /* When not using BFD_ASSEMBLER, we permit up to 40 sections. |
252b5132 | 1782 | |
a04b544b ILT |
1783 | This array maps a COFF section number into a gas section number. |
1784 | Because COFF uses negative section numbers, you must add 4 to the | |
1785 | COFF section number when indexing into this array; this is done via | |
1786 | the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to | |
1787 | seg_N_TYPE. */ | |
252b5132 | 1788 | |
a04b544b | 1789 | static const segT seg_info_off_by_4[] = |
252b5132 | 1790 | { |
a04b544b ILT |
1791 | SEG_PTV, |
1792 | SEG_NTV, | |
1793 | SEG_DEBUG, | |
1794 | SEG_ABSOLUTE, | |
1795 | SEG_UNKNOWN, | |
1796 | SEG_E0, SEG_E1, SEG_E2, SEG_E3, SEG_E4, | |
1797 | SEG_E5, SEG_E6, SEG_E7, SEG_E8, SEG_E9, | |
1798 | SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14, | |
1799 | SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19, | |
1800 | SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24, | |
1801 | SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29, | |
1802 | SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34, | |
1803 | SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39, | |
1804 | (segT) 40, | |
1805 | (segT) 41, | |
1806 | (segT) 42, | |
1807 | (segT) 43, | |
1808 | (segT) 44, | |
1809 | (segT) 45, | |
1810 | (segT) 0, | |
1811 | (segT) 0, | |
1812 | (segT) 0, | |
1813 | SEG_REGISTER | |
252b5132 RH |
1814 | }; |
1815 | ||
252b5132 RH |
1816 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) |
1817 | ||
1818 | static relax_addressT | |
a5324a3e | 1819 | relax_align (relax_addressT address, long alignment) |
252b5132 RH |
1820 | { |
1821 | relax_addressT mask; | |
1822 | relax_addressT new_address; | |
1823 | ||
1824 | mask = ~((~0) << alignment); | |
1825 | new_address = (address + mask) & (~mask); | |
a5324a3e NC |
1826 | |
1827 | return new_address - address; | |
252b5132 RH |
1828 | } |
1829 | ||
252b5132 | 1830 | segT |
a5324a3e | 1831 | s_get_segment (symbolS * x) |
252b5132 | 1832 | { |
a04b544b | 1833 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum); |
252b5132 RH |
1834 | } |
1835 | ||
f8e42b8c NC |
1836 | /* Calculate the size of the frag chain and fill in the section header |
1837 | to contain all of it, also fill in the addr of the sections. */ | |
1838 | ||
252b5132 | 1839 | static unsigned int |
a5324a3e | 1840 | size_section (bfd *abfd ATTRIBUTE_UNUSED, unsigned int idx) |
252b5132 | 1841 | { |
252b5132 RH |
1842 | unsigned int size = 0; |
1843 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
f8e42b8c | 1844 | |
252b5132 RH |
1845 | while (frag) |
1846 | { | |
1847 | size = frag->fr_address; | |
1848 | if (frag->fr_address != size) | |
1849 | { | |
1850 | fprintf (stderr, _("Out of step\n")); | |
1851 | size = frag->fr_address; | |
1852 | } | |
1853 | ||
1854 | switch (frag->fr_type) | |
1855 | { | |
1856 | #ifdef TC_COFF_SIZEMACHDEP | |
1857 | case rs_machine_dependent: | |
1858 | size += TC_COFF_SIZEMACHDEP (frag); | |
1859 | break; | |
1860 | #endif | |
1861 | case rs_space: | |
252b5132 RH |
1862 | case rs_fill: |
1863 | case rs_org: | |
1864 | size += frag->fr_fix; | |
1865 | size += frag->fr_offset * frag->fr_var; | |
1866 | break; | |
1867 | case rs_align: | |
1868 | case rs_align_code: | |
0a9ef439 | 1869 | case rs_align_test: |
252b5132 RH |
1870 | { |
1871 | addressT off; | |
1872 | ||
1873 | size += frag->fr_fix; | |
1874 | off = relax_align (size, frag->fr_offset); | |
1875 | if (frag->fr_subtype != 0 && off > frag->fr_subtype) | |
1876 | off = 0; | |
1877 | size += off; | |
1878 | } | |
1879 | break; | |
1880 | default: | |
1881 | BAD_CASE (frag->fr_type); | |
1882 | break; | |
1883 | } | |
1884 | frag = frag->fr_next; | |
1885 | } | |
1886 | segment_info[idx].scnhdr.s_size = size; | |
1887 | return size; | |
1888 | } | |
1889 | ||
252b5132 | 1890 | static unsigned int |
a5324a3e | 1891 | count_entries_in_chain (unsigned int idx) |
252b5132 RH |
1892 | { |
1893 | unsigned int nrelocs; | |
1894 | fixS *fixup_ptr; | |
1895 | ||
f8e42b8c | 1896 | /* Count the relocations. */ |
252b5132 RH |
1897 | fixup_ptr = segment_info[idx].fix_root; |
1898 | nrelocs = 0; | |
1899 | while (fixup_ptr != (fixS *) NULL) | |
1900 | { | |
1901 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) | |
1902 | { | |
3b16e843 | 1903 | #if defined(TC_A29K) || defined(TC_OR32) |
252b5132 RH |
1904 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) |
1905 | nrelocs += 2; | |
1906 | else | |
1907 | nrelocs++; | |
1908 | #else | |
1909 | nrelocs++; | |
1910 | #endif | |
1911 | } | |
1912 | ||
1913 | fixup_ptr = fixup_ptr->fx_next; | |
1914 | } | |
1915 | return nrelocs; | |
1916 | } | |
1917 | ||
1918 | #ifdef TE_AUX | |
1919 | ||
f8e42b8c NC |
1920 | /* AUX's ld expects relocations to be sorted. */ |
1921 | ||
252b5132 | 1922 | static int |
a5324a3e | 1923 | compare_external_relocs (const void * x, const void * y) |
252b5132 RH |
1924 | { |
1925 | struct external_reloc *a = (struct external_reloc *) x; | |
1926 | struct external_reloc *b = (struct external_reloc *) y; | |
1927 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
1928 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
a5324a3e | 1929 | |
252b5132 RH |
1930 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); |
1931 | } | |
1932 | ||
1933 | #endif | |
1934 | ||
f8e42b8c NC |
1935 | /* Output all the relocations for a section. */ |
1936 | ||
a5324a3e NC |
1937 | static void |
1938 | do_relocs_for (bfd * abfd, object_headers * h, unsigned long *file_cursor) | |
252b5132 RH |
1939 | { |
1940 | unsigned int nrelocs; | |
1941 | unsigned int idx; | |
1942 | unsigned long reloc_start = *file_cursor; | |
1943 | ||
1944 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
1945 | { | |
1946 | if (segment_info[idx].scnhdr.s_name[0]) | |
1947 | { | |
1948 | struct external_reloc *ext_ptr; | |
1949 | struct external_reloc *external_reloc_vec; | |
1950 | unsigned int external_reloc_size; | |
1951 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1952 | fixS *fix_ptr = segment_info[idx].fix_root; | |
a5324a3e | 1953 | |
252b5132 RH |
1954 | nrelocs = count_entries_in_chain (idx); |
1955 | ||
1956 | if (nrelocs) | |
1957 | /* Bypass this stuff if no relocs. This also incidentally | |
1958 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
1959 | { | |
1960 | external_reloc_size = nrelocs * RELSZ; | |
a5324a3e | 1961 | external_reloc_vec = malloc (external_reloc_size); |
252b5132 RH |
1962 | |
1963 | ext_ptr = external_reloc_vec; | |
1964 | ||
1965 | /* Fill in the internal coff style reloc struct from the | |
1966 | internal fix list. */ | |
1967 | while (fix_ptr) | |
1968 | { | |
1969 | struct internal_reloc intr; | |
1970 | ||
f8e42b8c | 1971 | /* Only output some of the relocations. */ |
252b5132 RH |
1972 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
1973 | { | |
1974 | #ifdef TC_RELOC_MANGLE | |
1975 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, | |
1976 | base); | |
252b5132 RH |
1977 | #else |
1978 | symbolS *dot; | |
1979 | symbolS *symbol_ptr = fix_ptr->fx_addsy; | |
1980 | ||
1981 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
1982 | intr.r_vaddr = | |
1983 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
1984 | ||
1985 | #ifdef TC_KEEP_FX_OFFSET | |
1986 | intr.r_offset = fix_ptr->fx_offset; | |
1987 | #else | |
1988 | intr.r_offset = 0; | |
1989 | #endif | |
1990 | ||
1991 | while (symbol_ptr->sy_value.X_op == O_symbol | |
1992 | && (! S_IS_DEFINED (symbol_ptr) | |
1993 | || S_IS_COMMON (symbol_ptr))) | |
1994 | { | |
1995 | symbolS *n; | |
1996 | ||
1997 | /* We must avoid looping, as that can occur | |
1998 | with a badly written program. */ | |
1999 | n = symbol_ptr->sy_value.X_add_symbol; | |
2000 | if (n == symbol_ptr) | |
2001 | break; | |
2002 | symbol_ptr = n; | |
2003 | } | |
2004 | ||
2005 | /* Turn the segment of the symbol into an offset. */ | |
2006 | if (symbol_ptr) | |
2007 | { | |
6386f3a7 | 2008 | resolve_symbol_value (symbol_ptr); |
252b5132 RH |
2009 | if (! symbol_ptr->sy_resolved) |
2010 | { | |
2011 | char *file; | |
2012 | unsigned int line; | |
2013 | ||
2014 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
2015 | as_bad_where (file, line, | |
2016 | _("unresolved relocation")); | |
2017 | else | |
2018 | as_bad (_("bad relocation: symbol `%s' not in symbol table"), | |
2019 | S_GET_NAME (symbol_ptr)); | |
2020 | } | |
f8e42b8c | 2021 | |
252b5132 RH |
2022 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
2023 | if (dot) | |
f8e42b8c | 2024 | intr.r_symndx = dot->sy_number; |
252b5132 | 2025 | else |
f8e42b8c | 2026 | intr.r_symndx = symbol_ptr->sy_number; |
252b5132 RH |
2027 | } |
2028 | else | |
f8e42b8c | 2029 | intr.r_symndx = -1; |
252b5132 | 2030 | #endif |
252b5132 RH |
2031 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); |
2032 | ext_ptr++; | |
252b5132 | 2033 | #if defined(TC_A29K) |
252b5132 | 2034 | /* The 29k has a special kludge for the high 16 bit |
aaa2624b | 2035 | reloc. Two relocations are emitted, R_IHIHALF, |
252b5132 RH |
2036 | and R_IHCONST. The second one doesn't contain a |
2037 | symbol, but uses the value for offset. */ | |
252b5132 RH |
2038 | if (intr.r_type == R_IHIHALF) |
2039 | { | |
f8e42b8c | 2040 | /* Now emit the second bit. */ |
252b5132 RH |
2041 | intr.r_type = R_IHCONST; |
2042 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2043 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
2044 | ext_ptr++; | |
2045 | } | |
3b16e843 NC |
2046 | #endif |
2047 | #if defined(TC_OR32) | |
2048 | /* The or32 has a special kludge for the high 16 bit | |
aaa2624b | 2049 | reloc. Two relocations are emitted, R_IHIHALF, |
3b16e843 NC |
2050 | and R_IHCONST. The second one doesn't contain a |
2051 | symbol, but uses the value for offset. */ | |
2052 | if (intr.r_type == R_IHIHALF) | |
2053 | { | |
2054 | /* Now emit the second bit. */ | |
2055 | intr.r_type = R_IHCONST; | |
2056 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2057 | (void) bfd_coff_swap_reloc_out (abfd, & intr, ext_ptr); | |
2058 | ext_ptr ++; | |
2059 | } | |
252b5132 RH |
2060 | #endif |
2061 | } | |
2062 | ||
2063 | fix_ptr = fix_ptr->fx_next; | |
2064 | } | |
252b5132 | 2065 | #ifdef TE_AUX |
f8e42b8c | 2066 | /* Sort the reloc table. */ |
a5324a3e | 2067 | qsort ((void *) external_reloc_vec, nrelocs, |
252b5132 RH |
2068 | sizeof (struct external_reloc), compare_external_relocs); |
2069 | #endif | |
f8e42b8c | 2070 | /* Write out the reloc table. */ |
a5324a3e | 2071 | bfd_bwrite ((void *) external_reloc_vec, |
0e1a166b | 2072 | (bfd_size_type) external_reloc_size, abfd); |
252b5132 RH |
2073 | free (external_reloc_vec); |
2074 | ||
2075 | /* Fill in section header info. */ | |
2076 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
2077 | *file_cursor += external_reloc_size; | |
2078 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
2079 | } | |
2080 | else | |
2081 | { | |
f8e42b8c | 2082 | /* No relocs. */ |
252b5132 RH |
2083 | segment_info[idx].scnhdr.s_relptr = 0; |
2084 | } | |
2085 | } | |
2086 | } | |
f8e42b8c NC |
2087 | |
2088 | /* Set relocation_size field in file headers. */ | |
252b5132 RH |
2089 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); |
2090 | } | |
2091 | ||
f8e42b8c | 2092 | /* Run through a frag chain and write out the data to go with it, fill |
aaa2624b | 2093 | in the scnhdrs with the info on the file positions. */ |
f8e42b8c | 2094 | |
252b5132 | 2095 | static void |
a5324a3e NC |
2096 | fill_section (bfd * abfd, |
2097 | object_headers *h ATTRIBUTE_UNUSED, | |
2098 | unsigned long *file_cursor) | |
252b5132 | 2099 | { |
252b5132 RH |
2100 | unsigned int i; |
2101 | unsigned int paddr = 0; | |
2102 | ||
2103 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
2104 | { | |
2105 | unsigned int offset = 0; | |
2106 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); | |
2107 | ||
2108 | PROGRESS (1); | |
2109 | ||
2110 | if (s->s_name[0]) | |
2111 | { | |
2112 | fragS *frag = segment_info[i].frchainP->frch_root; | |
ea3b9044 | 2113 | char *buffer = NULL; |
252b5132 RH |
2114 | |
2115 | if (s->s_size == 0) | |
2116 | s->s_scnptr = 0; | |
2117 | else | |
2118 | { | |
2119 | buffer = xmalloc (s->s_size); | |
2120 | s->s_scnptr = *file_cursor; | |
2121 | } | |
2122 | know (s->s_paddr == paddr); | |
2123 | ||
a5324a3e | 2124 | if (streq (s->s_name, ".text")) |
252b5132 | 2125 | s->s_flags |= STYP_TEXT; |
a5324a3e | 2126 | else if (streq (s->s_name, ".data")) |
252b5132 | 2127 | s->s_flags |= STYP_DATA; |
a5324a3e | 2128 | else if (streq (s->s_name, ".bss")) |
252b5132 RH |
2129 | { |
2130 | s->s_scnptr = 0; | |
2131 | s->s_flags |= STYP_BSS; | |
2132 | ||
2133 | /* @@ Should make the i386 and a29k coff targets define | |
2134 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
2135 | #ifndef TC_I386 | |
2136 | #ifndef TC_A29K | |
3b16e843 | 2137 | #ifndef TC_OR32 |
252b5132 RH |
2138 | #ifndef COFF_NOLOAD_PROBLEM |
2139 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
2140 | mondfe progrem are confused by noload sections. */ | |
2141 | s->s_flags |= STYP_NOLOAD; | |
2142 | #endif | |
2143 | #endif | |
3b16e843 | 2144 | #endif |
252b5132 RH |
2145 | #endif |
2146 | } | |
a5324a3e | 2147 | else if (streq (s->s_name, ".lit")) |
252b5132 | 2148 | s->s_flags = STYP_LIT | STYP_TEXT; |
a5324a3e | 2149 | else if (streq (s->s_name, ".init")) |
252b5132 | 2150 | s->s_flags |= STYP_TEXT; |
a5324a3e | 2151 | else if (streq (s->s_name, ".fini")) |
252b5132 | 2152 | s->s_flags |= STYP_TEXT; |
a5324a3e | 2153 | else if (strneq (s->s_name, ".comment", 8)) |
252b5132 RH |
2154 | s->s_flags |= STYP_INFO; |
2155 | ||
2156 | while (frag) | |
2157 | { | |
2158 | unsigned int fill_size; | |
a5324a3e | 2159 | |
252b5132 RH |
2160 | switch (frag->fr_type) |
2161 | { | |
2162 | case rs_machine_dependent: | |
2163 | if (frag->fr_fix) | |
2164 | { | |
2165 | memcpy (buffer + frag->fr_address, | |
2166 | frag->fr_literal, | |
2167 | (unsigned int) frag->fr_fix); | |
2168 | offset += frag->fr_fix; | |
2169 | } | |
2170 | ||
2171 | break; | |
2172 | case rs_space: | |
252b5132 RH |
2173 | case rs_fill: |
2174 | case rs_align: | |
2175 | case rs_align_code: | |
0a9ef439 | 2176 | case rs_align_test: |
252b5132 RH |
2177 | case rs_org: |
2178 | if (frag->fr_fix) | |
2179 | { | |
2180 | memcpy (buffer + frag->fr_address, | |
2181 | frag->fr_literal, | |
2182 | (unsigned int) frag->fr_fix); | |
2183 | offset += frag->fr_fix; | |
2184 | } | |
2185 | ||
2186 | fill_size = frag->fr_var; | |
2187 | if (fill_size && frag->fr_offset > 0) | |
2188 | { | |
2189 | unsigned int count; | |
2190 | unsigned int off = frag->fr_fix; | |
a5324a3e | 2191 | |
252b5132 RH |
2192 | for (count = frag->fr_offset; count; count--) |
2193 | { | |
2194 | if (fill_size + frag->fr_address + off <= s->s_size) | |
2195 | { | |
2196 | memcpy (buffer + frag->fr_address + off, | |
2197 | frag->fr_literal + frag->fr_fix, | |
2198 | fill_size); | |
2199 | off += fill_size; | |
2200 | offset += fill_size; | |
2201 | } | |
2202 | } | |
2203 | } | |
2204 | break; | |
2205 | case rs_broken_word: | |
2206 | break; | |
2207 | default: | |
2208 | abort (); | |
2209 | } | |
2210 | frag = frag->fr_next; | |
2211 | } | |
2212 | ||
2213 | if (s->s_size != 0) | |
2214 | { | |
2215 | if (s->s_scnptr != 0) | |
2216 | { | |
0e1a166b | 2217 | bfd_bwrite (buffer, s->s_size, abfd); |
252b5132 RH |
2218 | *file_cursor += s->s_size; |
2219 | } | |
2220 | free (buffer); | |
2221 | } | |
2222 | paddr += s->s_size; | |
2223 | } | |
2224 | } | |
2225 | } | |
2226 | ||
f8e42b8c | 2227 | /* Coff file generation & utilities. */ |
252b5132 RH |
2228 | |
2229 | static void | |
a5324a3e | 2230 | coff_header_append (bfd * abfd, object_headers * h) |
252b5132 RH |
2231 | { |
2232 | unsigned int i; | |
2233 | char buffer[1000]; | |
2234 | char buffero[1000]; | |
2235 | #ifdef COFF_LONG_SECTION_NAMES | |
2236 | unsigned long string_size = 4; | |
2237 | #endif | |
2238 | ||
a5324a3e | 2239 | bfd_seek (abfd, 0, 0); |
252b5132 RH |
2240 | |
2241 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
2242 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
2243 | H_SET_VERSION_STAMP (h, 0); | |
2244 | H_SET_ENTRY_POINT (h, 0); | |
2245 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
2246 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
a5324a3e NC |
2247 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out (abfd, &h->aouthdr, |
2248 | buffero)); | |
252b5132 RH |
2249 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ |
2250 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
2251 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2252 | ||
2253 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
2254 | ||
0e1a166b AM |
2255 | bfd_bwrite (buffer, (bfd_size_type) i, abfd); |
2256 | bfd_bwrite (buffero, (bfd_size_type) H_GET_SIZEOF_OPTIONAL_HEADER (h), abfd); | |
252b5132 RH |
2257 | |
2258 | for (i = SEG_E0; i < SEG_LAST; i++) | |
2259 | { | |
2260 | if (segment_info[i].scnhdr.s_name[0]) | |
2261 | { | |
2262 | unsigned int size; | |
2263 | ||
2264 | #ifdef COFF_LONG_SECTION_NAMES | |
2265 | /* Support long section names as found in PE. This code | |
2266 | must coordinate with that in write_object_file and | |
2267 | w_strings. */ | |
2268 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
2269 | { | |
2270 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
2271 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); | |
2272 | string_size += strlen (segment_info[i].name) + 1; | |
2273 | } | |
2274 | #endif | |
252b5132 RH |
2275 | size = bfd_coff_swap_scnhdr_out (abfd, |
2276 | &(segment_info[i].scnhdr), | |
2277 | buffer); | |
2278 | if (size == 0) | |
2279 | as_bad (_("bfd_coff_swap_scnhdr_out failed")); | |
0e1a166b | 2280 | bfd_bwrite (buffer, (bfd_size_type) size, abfd); |
252b5132 RH |
2281 | } |
2282 | } | |
2283 | } | |
2284 | ||
a5324a3e NC |
2285 | static char * |
2286 | symbol_to_chars (bfd * abfd, char * where, symbolS * symbolP) | |
252b5132 RH |
2287 | { |
2288 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
2289 | unsigned int i; | |
2290 | valueT val; | |
2291 | ||
f8e42b8c | 2292 | /* Turn any symbols with register attributes into abs symbols. */ |
252b5132 | 2293 | if (S_GET_SEGMENT (symbolP) == reg_section) |
f8e42b8c | 2294 | S_SET_SEGMENT (symbolP, absolute_section); |
252b5132 | 2295 | |
f8e42b8c | 2296 | /* At the same time, relocate all symbols to their output value. */ |
252b5132 RH |
2297 | #ifndef TE_PE |
2298 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
2299 | + S_GET_VALUE (symbolP)); | |
2300 | #else | |
2301 | val = S_GET_VALUE (symbolP); | |
2302 | #endif | |
2303 | ||
2304 | S_SET_VALUE (symbolP, val); | |
2305 | ||
2306 | symbolP->sy_symbol.ost_entry.n_value = val; | |
2307 | ||
2308 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
2309 | where); | |
2310 | ||
2311 | for (i = 0; i < numaux; i++) | |
2312 | { | |
2313 | where += bfd_coff_swap_aux_out (abfd, | |
2314 | &symbolP->sy_symbol.ost_auxent[i], | |
2315 | S_GET_DATA_TYPE (symbolP), | |
2316 | S_GET_STORAGE_CLASS (symbolP), | |
2317 | i, numaux, where); | |
2318 | } | |
252b5132 | 2319 | |
f8e42b8c | 2320 | return where; |
252b5132 RH |
2321 | } |
2322 | ||
2323 | void | |
a5324a3e | 2324 | coff_obj_symbol_new_hook (symbolS *symbolP) |
252b5132 | 2325 | { |
f8e42b8c | 2326 | char underscore = 0; /* Symbol has leading _ */ |
252b5132 | 2327 | |
f8e42b8c | 2328 | /* Effective symbol. */ |
dcd619be | 2329 | /* Store the pointer in the offset. */ |
252b5132 RH |
2330 | S_SET_ZEROES (symbolP, 0L); |
2331 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
2332 | S_SET_STORAGE_CLASS (symbolP, 0); | |
2333 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
f8e42b8c | 2334 | /* Additional information. */ |
252b5132 | 2335 | symbolP->sy_symbol.ost_flags = 0; |
f8e42b8c | 2336 | /* Auxiliary entries. */ |
252b5132 RH |
2337 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); |
2338 | ||
2339 | if (S_IS_STRING (symbolP)) | |
2340 | SF_SET_STRING (symbolP); | |
2341 | if (!underscore && S_IS_LOCAL (symbolP)) | |
2342 | SF_SET_LOCAL (symbolP); | |
2343 | } | |
2344 | ||
a5324a3e NC |
2345 | static int |
2346 | c_line_new (symbolS * symbol, long paddr, int line_number, fragS * frag) | |
2347 | { | |
2348 | struct lineno_list *new_line = xmalloc (sizeof (* new_line)); | |
2349 | ||
2350 | segment_info_type *s = segment_info + now_seg; | |
2351 | new_line->line.l_lnno = line_number; | |
2352 | ||
2353 | if (line_number == 0) | |
2354 | { | |
2355 | last_line_symbol = symbol; | |
2356 | new_line->line.l_addr.l_symndx = (long) symbol; | |
2357 | } | |
2358 | else | |
2359 | { | |
2360 | new_line->line.l_addr.l_paddr = paddr; | |
2361 | } | |
2362 | ||
2363 | new_line->frag = (char *) frag; | |
2364 | new_line->next = NULL; | |
2365 | ||
2366 | if (s->lineno_list_head == NULL) | |
2367 | s->lineno_list_head = new_line; | |
2368 | else | |
2369 | s->lineno_list_tail->next = new_line; | |
2370 | ||
2371 | s->lineno_list_tail = new_line; | |
2372 | return LINESZ * s->scnhdr.s_nlnno++; | |
2373 | } | |
2374 | ||
f8e42b8c | 2375 | /* Handle .ln directives. */ |
252b5132 RH |
2376 | |
2377 | static void | |
a5324a3e | 2378 | obj_coff_ln (int appline) |
252b5132 RH |
2379 | { |
2380 | int l; | |
2381 | ||
2382 | if (! appline && def_symbol_in_progress != NULL) | |
2383 | { | |
f8e42b8c | 2384 | /* Wrong context. */ |
252b5132 RH |
2385 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
2386 | demand_empty_rest_of_line (); | |
2387 | return; | |
f8e42b8c | 2388 | } |
252b5132 RH |
2389 | |
2390 | l = get_absolute_expression (); | |
2391 | c_line_new (0, frag_now_fix (), l, frag_now); | |
2392 | ||
2393 | if (appline) | |
2394 | new_logical_line ((char *) NULL, l - 1); | |
2395 | ||
2396 | #ifndef NO_LISTING | |
2397 | { | |
2398 | extern int listing; | |
2399 | ||
2400 | if (listing) | |
2401 | { | |
2402 | if (! appline) | |
2403 | l += line_base - 1; | |
2404 | listing_source_line ((unsigned int) l); | |
2405 | } | |
252b5132 RH |
2406 | } |
2407 | #endif | |
2408 | demand_empty_rest_of_line (); | |
2409 | } | |
2410 | ||
f8e42b8c | 2411 | /* Handle .def directives. |
a5324a3e | 2412 | |
f8e42b8c NC |
2413 | One might ask : why can't we symbol_new if the symbol does not |
2414 | already exist and fill it with debug information. Because of | |
2415 | the C_EFCN special symbol. It would clobber the value of the | |
2416 | function symbol before we have a chance to notice that it is | |
2417 | a C_EFCN. And a second reason is that the code is more clear this | |
2418 | way. (at least I think it is :-). */ | |
252b5132 RH |
2419 | |
2420 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2421 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a5324a3e NC |
2422 | *input_line_pointer == '\t') \ |
2423 | input_line_pointer++; | |
252b5132 RH |
2424 | |
2425 | static void | |
a5324a3e | 2426 | obj_coff_def (int what ATTRIBUTE_UNUSED) |
252b5132 | 2427 | { |
f8e42b8c NC |
2428 | char name_end; /* Char after the end of name. */ |
2429 | char *symbol_name; /* Name of the debug symbol. */ | |
2430 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
2431 | unsigned int symbol_name_length; |
2432 | ||
2433 | if (def_symbol_in_progress != NULL) | |
2434 | { | |
2435 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
2436 | demand_empty_rest_of_line (); | |
2437 | return; | |
f8e42b8c | 2438 | } |
252b5132 RH |
2439 | |
2440 | SKIP_WHITESPACES (); | |
2441 | ||
a5324a3e | 2442 | def_symbol_in_progress = obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); |
252b5132 RH |
2443 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); |
2444 | ||
2445 | symbol_name = input_line_pointer; | |
2446 | name_end = get_symbol_end (); | |
2447 | symbol_name_length = strlen (symbol_name); | |
2448 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2449 | strcpy (symbol_name_copy, symbol_name); | |
2450 | #ifdef tc_canonicalize_symbol_name | |
2451 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
2452 | #endif | |
2453 | ||
f8e42b8c | 2454 | /* Initialize the new symbol. */ |
252b5132 RH |
2455 | #ifdef STRIP_UNDERSCORE |
2456 | S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_' | |
2457 | ? symbol_name_copy + 1 | |
2458 | : symbol_name_copy)); | |
2459 | #else /* STRIP_UNDERSCORE */ | |
2460 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); | |
2461 | #endif /* STRIP_UNDERSCORE */ | |
2462 | /* free(symbol_name_copy); */ | |
2463 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2464 | def_symbol_in_progress->sy_number = ~0; | |
2465 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2466 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2467 | ||
2468 | if (S_IS_STRING (def_symbol_in_progress)) | |
2469 | SF_SET_STRING (def_symbol_in_progress); | |
2470 | ||
2471 | *input_line_pointer = name_end; | |
2472 | ||
2473 | demand_empty_rest_of_line (); | |
2474 | } | |
2475 | ||
a5324a3e NC |
2476 | static void |
2477 | c_symbol_merge (symbolS *debug, symbolS *normal) | |
2478 | { | |
2479 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
2480 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
2481 | ||
2482 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
2483 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
2484 | ||
2485 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
2486 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], | |
2487 | (char *) &debug->sy_symbol.ost_auxent[0], | |
2488 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
2489 | ||
2490 | /* Move the debug flags. */ | |
2491 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
2492 | } | |
2493 | ||
252b5132 RH |
2494 | unsigned int dim_index; |
2495 | ||
252b5132 | 2496 | static void |
a5324a3e | 2497 | obj_coff_endef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2498 | { |
2499 | symbolS *symbolP = 0; | |
a5324a3e | 2500 | |
252b5132 RH |
2501 | dim_index = 0; |
2502 | if (def_symbol_in_progress == NULL) | |
2503 | { | |
2504 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
2505 | demand_empty_rest_of_line (); | |
2506 | return; | |
f8e42b8c | 2507 | } |
252b5132 | 2508 | |
dcd619be | 2509 | /* Set the section number according to storage class. */ |
252b5132 RH |
2510 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
2511 | { | |
2512 | case C_STRTAG: | |
2513 | case C_ENTAG: | |
2514 | case C_UNTAG: | |
2515 | SF_SET_TAG (def_symbol_in_progress); | |
a5324a3e | 2516 | /* Fall through. */ |
f8e42b8c | 2517 | |
252b5132 RH |
2518 | case C_FILE: |
2519 | case C_TPDEF: | |
2520 | SF_SET_DEBUG (def_symbol_in_progress); | |
2521 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2522 | break; | |
2523 | ||
2524 | case C_EFCN: | |
f8e42b8c NC |
2525 | /* Do not emit this symbol. */ |
2526 | SF_SET_LOCAL (def_symbol_in_progress); | |
a5324a3e NC |
2527 | /* Fall through. */ |
2528 | ||
252b5132 | 2529 | case C_BLOCK: |
f8e42b8c NC |
2530 | /* Will need processing before writing. */ |
2531 | SF_SET_PROCESS (def_symbol_in_progress); | |
a5324a3e | 2532 | /* Fall through. */ |
f8e42b8c | 2533 | |
252b5132 RH |
2534 | case C_FCN: |
2535 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2536 | ||
a5324a3e NC |
2537 | if (streq (S_GET_NAME (def_symbol_in_progress), ".bf")) |
2538 | { | |
252b5132 | 2539 | if (function_lineoff < 0) |
f8e42b8c NC |
2540 | fprintf (stderr, _("`.bf' symbol without preceding function\n")); |
2541 | ||
252b5132 RH |
2542 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; |
2543 | ||
2544 | SF_SET_PROCESS (last_line_symbol); | |
2545 | SF_SET_ADJ_LNNOPTR (last_line_symbol); | |
2546 | SF_SET_PROCESS (def_symbol_in_progress); | |
2547 | function_lineoff = -1; | |
2548 | } | |
f8e42b8c | 2549 | |
dcd619be | 2550 | /* Value is always set to . */ |
252b5132 RH |
2551 | def_symbol_in_progress->sy_frag = frag_now; |
2552 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2553 | break; | |
2554 | ||
2555 | #ifdef C_AUTOARG | |
2556 | case C_AUTOARG: | |
2557 | #endif /* C_AUTOARG */ | |
2558 | case C_AUTO: | |
2559 | case C_REG: | |
2560 | case C_MOS: | |
2561 | case C_MOE: | |
2562 | case C_MOU: | |
2563 | case C_ARG: | |
2564 | case C_REGPARM: | |
2565 | case C_FIELD: | |
2566 | case C_EOS: | |
2567 | SF_SET_DEBUG (def_symbol_in_progress); | |
2568 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2569 | break; | |
2570 | ||
2571 | case C_EXT: | |
2572 | case C_WEAKEXT: | |
2573 | #ifdef TE_PE | |
2574 | case C_NT_WEAK: | |
2575 | #endif | |
2576 | case C_STAT: | |
2577 | case C_LABEL: | |
f8e42b8c | 2578 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
2579 | break; |
2580 | ||
2581 | case C_USTATIC: | |
2582 | case C_EXTDEF: | |
2583 | case C_ULABEL: | |
2584 | as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2585 | break; | |
f8e42b8c | 2586 | } |
252b5132 RH |
2587 | |
2588 | /* Now that we have built a debug symbol, try to find if we should | |
2589 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2590 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2591 | don't merge labels, which are in a different namespace, nor | |
2592 | symbols which have not yet been defined since they are typically | |
2593 | unique, nor do we merge tags with non-tags. */ | |
2594 | ||
2595 | /* Two cases for functions. Either debug followed by definition or | |
2596 | definition followed by debug. For definition first, we will | |
2597 | merge the debug symbol into the definition. For debug first, the | |
2598 | lineno entry MUST point to the definition function or else it | |
2599 | will point off into space when crawl_symbols() merges the debug | |
2600 | symbol into the real symbol. Therefor, let's presume the debug | |
dcd619be | 2601 | symbol is a real function reference. */ |
252b5132 RH |
2602 | |
2603 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2604 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 2605 | time. */ |
252b5132 RH |
2606 | |
2607 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2608 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2609 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2610 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2611 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2612 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
2613 | || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL | |
2614 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) | |
2615 | { | |
2616 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2617 | &symbol_lastP); | |
2618 | } | |
2619 | else | |
2620 | { | |
2621 | /* This symbol already exists, merge the newly created symbol | |
2622 | into the old one. This is not mandatory. The linker can | |
2623 | handle duplicate symbols correctly. But I guess that it save | |
2624 | a *lot* of space if the assembly file defines a lot of | |
2625 | symbols. [loic] */ | |
2626 | ||
2627 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2628 | previous definition. */ | |
2629 | ||
2630 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
dcd619be | 2631 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ |
252b5132 RH |
2632 | def_symbol_in_progress = symbolP; |
2633 | ||
2634 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
2635 | || SF_GET_TAG (def_symbol_in_progress) | |
2636 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2637 | { | |
2638 | /* For functions, and tags, and static symbols, the symbol | |
2639 | *must* be where the debug symbol appears. Move the | |
dcd619be | 2640 | existing symbol to the current place. */ |
f8e42b8c | 2641 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
2642 | if (def_symbol_in_progress != symbol_lastP) |
2643 | { | |
2644 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2645 | &symbol_lastP); | |
2646 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2647 | &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
2648 | } |
2649 | } | |
2650 | } | |
252b5132 RH |
2651 | |
2652 | if (SF_GET_TAG (def_symbol_in_progress)) | |
2653 | { | |
2654 | symbolS *oldtag; | |
2655 | ||
2656 | oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress), | |
2657 | DO_NOT_STRIP); | |
2658 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) | |
2659 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2660 | def_symbol_in_progress); | |
2661 | } | |
2662 | ||
2663 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2664 | { | |
2665 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2666 | function_lineoff | |
2667 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2668 | ||
2669 | SF_SET_PROCESS (def_symbol_in_progress); | |
2670 | ||
2671 | if (symbolP == NULL) | |
a5324a3e NC |
2672 | /* That is, if this is the first time we've seen the function. */ |
2673 | symbol_table_insert (def_symbol_in_progress); | |
f8e42b8c | 2674 | } |
252b5132 RH |
2675 | |
2676 | def_symbol_in_progress = NULL; | |
2677 | demand_empty_rest_of_line (); | |
2678 | } | |
2679 | ||
2680 | static void | |
a5324a3e | 2681 | obj_coff_dim (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2682 | { |
2683 | int dim_index; | |
2684 | ||
2685 | if (def_symbol_in_progress == NULL) | |
2686 | { | |
2687 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
2688 | demand_empty_rest_of_line (); | |
2689 | return; | |
f8e42b8c | 2690 | } |
252b5132 RH |
2691 | |
2692 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2693 | ||
2694 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2695 | { | |
2696 | SKIP_WHITESPACES (); | |
2697 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2698 | get_absolute_expression ()); | |
2699 | ||
2700 | switch (*input_line_pointer) | |
2701 | { | |
2702 | case ',': | |
2703 | input_line_pointer++; | |
2704 | break; | |
2705 | ||
2706 | default: | |
2707 | as_warn (_("badly formed .dim directive ignored")); | |
a5324a3e | 2708 | /* Fall through. */ |
f8e42b8c | 2709 | |
252b5132 RH |
2710 | case '\n': |
2711 | case ';': | |
2712 | dim_index = DIMNUM; | |
2713 | break; | |
2714 | } | |
2715 | } | |
2716 | ||
2717 | demand_empty_rest_of_line (); | |
2718 | } | |
2719 | ||
2720 | static void | |
a5324a3e | 2721 | obj_coff_line (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2722 | { |
2723 | int this_base; | |
2724 | const char *name; | |
2725 | ||
2726 | if (def_symbol_in_progress == NULL) | |
2727 | { | |
2728 | obj_coff_ln (0); | |
2729 | return; | |
2730 | } | |
2731 | ||
2732 | name = S_GET_NAME (def_symbol_in_progress); | |
2733 | this_base = get_absolute_expression (); | |
2734 | ||
2735 | /* Only .bf symbols indicate the use of a new base line number; the | |
2736 | line numbers associated with .ef, .bb, .eb are relative to the | |
2737 | start of the containing function. */ | |
a5324a3e | 2738 | if (streq (".bf", name)) |
252b5132 | 2739 | { |
f8e42b8c | 2740 | line_base = this_base; |
252b5132 RH |
2741 | |
2742 | #ifndef NO_LISTING | |
2743 | { | |
2744 | extern int listing; | |
2745 | if (listing) | |
f8e42b8c | 2746 | listing_source_line ((unsigned int) line_base); |
252b5132 RH |
2747 | } |
2748 | #endif | |
2749 | } | |
2750 | ||
2751 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2752 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2753 | ||
2754 | demand_empty_rest_of_line (); | |
2755 | } | |
2756 | ||
2757 | static void | |
a5324a3e | 2758 | obj_coff_size (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2759 | { |
2760 | if (def_symbol_in_progress == NULL) | |
2761 | { | |
2762 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
2763 | demand_empty_rest_of_line (); | |
2764 | return; | |
f8e42b8c | 2765 | } |
252b5132 RH |
2766 | |
2767 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2768 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2769 | demand_empty_rest_of_line (); | |
2770 | } | |
2771 | ||
2772 | static void | |
a5324a3e | 2773 | obj_coff_scl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2774 | { |
2775 | if (def_symbol_in_progress == NULL) | |
2776 | { | |
2777 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
2778 | demand_empty_rest_of_line (); | |
2779 | return; | |
f8e42b8c | 2780 | } |
252b5132 RH |
2781 | |
2782 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2783 | demand_empty_rest_of_line (); | |
2784 | } | |
2785 | ||
2786 | static void | |
a5324a3e | 2787 | obj_coff_tag (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2788 | { |
2789 | char *symbol_name; | |
2790 | char name_end; | |
2791 | ||
2792 | if (def_symbol_in_progress == NULL) | |
2793 | { | |
2794 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
2795 | demand_empty_rest_of_line (); | |
2796 | return; | |
2797 | } | |
2798 | ||
2799 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2800 | symbol_name = input_line_pointer; | |
2801 | name_end = get_symbol_end (); | |
2802 | #ifdef tc_canonicalize_symbol_name | |
2803 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2804 | #endif | |
2805 | ||
2806 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 2807 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
2808 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
2809 | (long) tag_find_or_make (symbol_name)); | |
2810 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
f8e42b8c | 2811 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
2812 | |
2813 | SF_SET_TAGGED (def_symbol_in_progress); | |
2814 | *input_line_pointer = name_end; | |
2815 | ||
2816 | demand_empty_rest_of_line (); | |
2817 | } | |
2818 | ||
2819 | static void | |
a5324a3e | 2820 | obj_coff_type (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2821 | { |
2822 | if (def_symbol_in_progress == NULL) | |
2823 | { | |
2824 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
2825 | demand_empty_rest_of_line (); | |
2826 | return; | |
f8e42b8c | 2827 | } |
252b5132 RH |
2828 | |
2829 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2830 | ||
2831 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2832 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
f8e42b8c | 2833 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
2834 | |
2835 | demand_empty_rest_of_line (); | |
2836 | } | |
2837 | ||
2838 | static void | |
a5324a3e | 2839 | obj_coff_val (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2840 | { |
2841 | if (def_symbol_in_progress == NULL) | |
2842 | { | |
2843 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
2844 | demand_empty_rest_of_line (); | |
2845 | return; | |
f8e42b8c | 2846 | } |
252b5132 RH |
2847 | |
2848 | if (is_name_beginner (*input_line_pointer)) | |
2849 | { | |
2850 | char *symbol_name = input_line_pointer; | |
2851 | char name_end = get_symbol_end (); | |
2852 | ||
2853 | #ifdef tc_canonicalize_symbol_name | |
2854 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2855 | #endif | |
2856 | ||
a5324a3e | 2857 | if (streq (symbol_name, ".")) |
252b5132 RH |
2858 | { |
2859 | def_symbol_in_progress->sy_frag = frag_now; | |
2860 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
f8e42b8c | 2861 | /* If the .val is != from the .def (e.g. statics). */ |
252b5132 | 2862 | } |
a5324a3e | 2863 | else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name)) |
252b5132 RH |
2864 | { |
2865 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2866 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2867 | symbol_find_or_make (symbol_name); | |
2868 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2869 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2870 | ||
2871 | /* If the segment is undefined when the forward reference is | |
2872 | resolved, then copy the segment id from the forward | |
2873 | symbol. */ | |
2874 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2875 | ||
0561a208 ILT |
2876 | /* FIXME: gcc can generate address expressions here in |
2877 | unusual cases (search for "obscure" in sdbout.c). We | |
2878 | just ignore the offset here, thus generating incorrect | |
2879 | debugging information. We ignore the rest of the line | |
2880 | just below. */ | |
252b5132 RH |
2881 | } |
2882 | /* Otherwise, it is the name of a non debug symbol and | |
dcd619be | 2883 | its value will be calculated later. */ |
252b5132 RH |
2884 | *input_line_pointer = name_end; |
2885 | ||
2886 | /* FIXME: this is to avoid an error message in the | |
2887 | FIXME case mentioned just above. */ | |
2888 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2889 | ++input_line_pointer; | |
2890 | } | |
2891 | else | |
2892 | { | |
2893 | S_SET_VALUE (def_symbol_in_progress, | |
2894 | (valueT) get_absolute_expression ()); | |
a5324a3e | 2895 | } |
252b5132 RH |
2896 | |
2897 | demand_empty_rest_of_line (); | |
2898 | } | |
2899 | ||
2900 | #ifdef TE_PE | |
2901 | ||
2902 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
2903 | read.c, which then calls this object file format specific routine. */ | |
2904 | ||
2905 | void | |
a5324a3e | 2906 | obj_coff_pe_handle_link_once (enum linkonce_type type) |
252b5132 RH |
2907 | { |
2908 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
2909 | ||
2910 | /* We store the type in the seg_info structure, and use it to set up | |
2911 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
2912 | seg_info (now_seg)->linkonce = type; | |
2913 | } | |
2914 | ||
2915 | #endif /* TE_PE */ | |
2916 | ||
2917 | void | |
a5324a3e | 2918 | coff_obj_read_begin_hook (void) |
252b5132 | 2919 | { |
dcd619be | 2920 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
2921 | #ifndef BFD_HEADERS |
2922 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2923 | know (SYMESZ == AUXESZ); | |
2924 | #endif | |
2925 | tag_init (); | |
2926 | } | |
2927 | ||
2928 | /* This function runs through the symbol table and puts all the | |
f8e42b8c | 2929 | externals onto another chain. */ |
252b5132 RH |
2930 | |
2931 | /* The chain of globals. */ | |
2932 | symbolS *symbol_globalP; | |
2933 | symbolS *symbol_global_lastP; | |
2934 | ||
f8e42b8c | 2935 | /* The chain of externals. */ |
252b5132 RH |
2936 | symbolS *symbol_externP; |
2937 | symbolS *symbol_extern_lastP; | |
2938 | ||
2939 | stack *block_stack; | |
2940 | symbolS *last_functionP; | |
2941 | static symbolS *last_bfP; | |
2942 | symbolS *last_tagP; | |
2943 | ||
2944 | static unsigned int | |
a5324a3e | 2945 | yank_symbols (void) |
252b5132 RH |
2946 | { |
2947 | symbolS *symbolP; | |
2948 | unsigned int symbol_number = 0; | |
2949 | unsigned int last_file_symno = 0; | |
252b5132 RH |
2950 | struct filename_list *filename_list_scan = filename_list_head; |
2951 | ||
2952 | for (symbolP = symbol_rootP; | |
2953 | symbolP; | |
2954 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2955 | { | |
2956 | if (symbolP->sy_mri_common) | |
2957 | { | |
2958 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
2959 | #ifdef TE_PE | |
2960 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
2961 | #endif | |
2962 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT) | |
2963 | as_bad (_("%s: global symbols not supported in common sections"), | |
2964 | S_GET_NAME (symbolP)); | |
2965 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2966 | continue; | |
2967 | } | |
2968 | ||
2969 | if (!SF_GET_DEBUG (symbolP)) | |
2970 | { | |
f8e42b8c | 2971 | /* Debug symbols do not need all this rubbish. */ |
252b5132 RH |
2972 | symbolS *real_symbolP; |
2973 | ||
dcd619be | 2974 | /* L* and C_EFCN symbols never merge. */ |
252b5132 RH |
2975 | if (!SF_GET_LOCAL (symbolP) |
2976 | && !SF_GET_STATICS (symbolP) | |
2977 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL | |
2978 | && symbolP->sy_value.X_op == O_constant | |
2979 | && (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP)) | |
2980 | && real_symbolP != symbolP) | |
2981 | { | |
2982 | /* FIXME-SOON: where do dups come from? | |
dcd619be | 2983 | Maybe tag references before definitions? xoxorich. */ |
252b5132 | 2984 | /* Move the debug data from the debug symbol to the |
aaa2624b | 2985 | real symbol. Do NOT do the opposite (i.e. move from |
252b5132 RH |
2986 | real symbol to debug symbol and remove real symbol from the |
2987 | list.) Because some pointers refer to the real symbol | |
dcd619be | 2988 | whereas no pointers refer to the debug symbol. */ |
252b5132 | 2989 | c_symbol_merge (symbolP, real_symbolP); |
f8e42b8c | 2990 | /* Replace the current symbol by the real one. */ |
252b5132 RH |
2991 | /* The symbols will never be the last or the first |
2992 | because : 1st symbol is .file and 3 last symbols are | |
f8e42b8c | 2993 | .text, .data, .bss. */ |
252b5132 RH |
2994 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); |
2995 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
2996 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2997 | symbolP = real_symbolP; | |
f8e42b8c | 2998 | } |
252b5132 RH |
2999 | |
3000 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) | |
f8e42b8c | 3001 | S_SET_SEGMENT (symbolP, SEG_E0); |
252b5132 | 3002 | |
6386f3a7 | 3003 | resolve_symbol_value (symbolP); |
252b5132 RH |
3004 | |
3005 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
3006 | { | |
3007 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
a5324a3e | 3008 | S_SET_EXTERNAL (symbolP); |
f8e42b8c | 3009 | |
252b5132 | 3010 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) |
f8e42b8c NC |
3011 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); |
3012 | ||
252b5132 | 3013 | else |
f8e42b8c | 3014 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
252b5132 RH |
3015 | } |
3016 | ||
f8e42b8c | 3017 | /* Mainly to speed up if not -g. */ |
252b5132 RH |
3018 | if (SF_GET_PROCESS (symbolP)) |
3019 | { | |
dcd619be | 3020 | /* Handle the nested blocks auxiliary info. */ |
252b5132 RH |
3021 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) |
3022 | { | |
a5324a3e | 3023 | if (streq (S_GET_NAME (symbolP), ".bb")) |
252b5132 RH |
3024 | stack_push (block_stack, (char *) &symbolP); |
3025 | else | |
f8e42b8c NC |
3026 | { |
3027 | /* .eb */ | |
3028 | symbolS *begin_symbolP; | |
3029 | ||
252b5132 | 3030 | begin_symbolP = *(symbolS **) stack_pop (block_stack); |
a5324a3e | 3031 | if (begin_symbolP == NULL) |
252b5132 RH |
3032 | as_warn (_("mismatched .eb")); |
3033 | else | |
3034 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
3035 | } | |
3036 | } | |
a5324a3e | 3037 | |
252b5132 RH |
3038 | /* If we are able to identify the type of a function, and we |
3039 | are out of a function (last_functionP == 0) then, the | |
3040 | function symbol will be associated with an auxiliary | |
dcd619be | 3041 | entry. */ |
a5324a3e | 3042 | if (last_functionP == NULL && SF_GET_FUNCTION (symbolP)) |
252b5132 RH |
3043 | { |
3044 | last_functionP = symbolP; | |
3045 | ||
3046 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
f8e42b8c | 3047 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
252b5132 | 3048 | } |
a5324a3e | 3049 | |
252b5132 RH |
3050 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) |
3051 | { | |
a5324a3e | 3052 | if (streq (S_GET_NAME (symbolP), ".bf")) |
252b5132 RH |
3053 | { |
3054 | if (last_bfP != NULL) | |
3055 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
3056 | last_bfP = symbolP; | |
3057 | } | |
3058 | } | |
3059 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
3060 | { | |
3061 | /* I don't even know if this is needed for sdb. But | |
3062 | the standard assembler generates it, so... */ | |
a5324a3e | 3063 | if (last_functionP == NULL) |
252b5132 RH |
3064 | as_fatal (_("C_EFCN symbol out of scope")); |
3065 | SA_SET_SYM_FSIZE (last_functionP, | |
3066 | (long) (S_GET_VALUE (symbolP) - | |
3067 | S_GET_VALUE (last_functionP))); | |
3068 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
a5324a3e | 3069 | last_functionP = NULL; |
252b5132 RH |
3070 | } |
3071 | } | |
3072 | } | |
3073 | else if (SF_GET_TAG (symbolP)) | |
a5324a3e NC |
3074 | /* First descriptor of a structure must point to |
3075 | the first slot after the structure description. */ | |
3076 | last_tagP = symbolP; | |
252b5132 | 3077 | |
252b5132 | 3078 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) |
a5324a3e NC |
3079 | /* +2 take in account the current symbol. */ |
3080 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); | |
3081 | ||
252b5132 RH |
3082 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) |
3083 | { | |
3084 | /* If the filename was too long to fit in the | |
f8e42b8c | 3085 | auxent, put it in the string table. */ |
252b5132 RH |
3086 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
3087 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3088 | { | |
3089 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
3090 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
3091 | filename_list_scan = filename_list_scan->next; | |
3092 | } | |
3093 | if (S_GET_VALUE (symbolP)) | |
3094 | { | |
3095 | S_SET_VALUE (symbolP, last_file_symno); | |
3096 | last_file_symno = symbol_number; | |
f8e42b8c NC |
3097 | } |
3098 | } | |
252b5132 RH |
3099 | |
3100 | #ifdef tc_frob_coff_symbol | |
3101 | tc_frob_coff_symbol (symbolP); | |
3102 | #endif | |
3103 | ||
3104 | /* We must put the external symbols apart. The loader | |
3105 | does not bomb if we do not. But the references in | |
3106 | the endndx field for a .bb symbol are not corrected | |
3107 | if an external symbol is removed between .bb and .be. | |
3108 | I.e in the following case : | |
3109 | [20] .bb endndx = 22 | |
3110 | [21] foo external | |
3111 | [22] .be | |
3112 | ld will move the symbol 21 to the end of the list but | |
dcd619be | 3113 | endndx will still be 22 instead of 21. */ |
252b5132 RH |
3114 | |
3115 | if (SF_GET_LOCAL (symbolP)) | |
a5324a3e NC |
3116 | /* Remove C_EFCN and LOCAL (L...) symbols. */ |
3117 | /* Next pointer remains valid. */ | |
3118 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
252b5132 | 3119 | |
252b5132 RH |
3120 | else if (symbolP->sy_value.X_op == O_symbol |
3121 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
a5324a3e NC |
3122 | /* Skip symbols which were equated to undefined or common |
3123 | symbols. */ | |
3124 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3125 | ||
252b5132 RH |
3126 | else if (!S_IS_DEFINED (symbolP) |
3127 | && !S_IS_DEBUG (symbolP) | |
3128 | && !SF_GET_STATICS (symbolP) | |
3129 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3130 | #ifdef TE_PE | |
3131 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3132 | #endif | |
3133 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)) | |
3134 | { | |
f8e42b8c | 3135 | /* If external, Remove from the list. */ |
252b5132 RH |
3136 | symbolS *hold = symbol_previous (symbolP); |
3137 | ||
3138 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3139 | symbol_clear_list_pointers (symbolP); | |
3140 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
3141 | symbolP = hold; | |
3142 | } | |
3143 | else if (! S_IS_DEBUG (symbolP) | |
3144 | && ! SF_GET_STATICS (symbolP) | |
3145 | && ! SF_GET_FUNCTION (symbolP) | |
3146 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3147 | #ifdef TE_PE | |
3148 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3149 | #endif | |
3150 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK)) | |
3151 | { | |
3152 | symbolS *hold = symbol_previous (symbolP); | |
3153 | ||
3154 | /* The O'Reilly COFF book says that defined global symbols | |
3155 | come at the end of the symbol table, just before | |
3156 | undefined global symbols. */ | |
252b5132 RH |
3157 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3158 | symbol_clear_list_pointers (symbolP); | |
3159 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
3160 | &symbol_global_lastP); | |
3161 | symbolP = hold; | |
3162 | } | |
3163 | else | |
3164 | { | |
3165 | if (SF_GET_STRING (symbolP)) | |
3166 | { | |
3167 | symbolP->sy_name_offset = string_byte_count; | |
3168 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
3169 | } | |
3170 | else | |
a5324a3e | 3171 | symbolP->sy_name_offset = 0; |
252b5132 RH |
3172 | |
3173 | symbolP->sy_number = symbol_number; | |
3174 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
f8e42b8c NC |
3175 | } |
3176 | } | |
252b5132 | 3177 | |
f8e42b8c | 3178 | return symbol_number; |
252b5132 RH |
3179 | } |
3180 | ||
252b5132 | 3181 | static unsigned int |
a5324a3e | 3182 | glue_symbols (symbolS **head, symbolS **tail) |
252b5132 RH |
3183 | { |
3184 | unsigned int symbol_number = 0; | |
3185 | ||
3186 | while (*head != NULL) | |
3187 | { | |
3188 | symbolS *tmp = *head; | |
3189 | ||
f8e42b8c | 3190 | /* Append. */ |
252b5132 RH |
3191 | symbol_remove (tmp, head, tail); |
3192 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
3193 | ||
f8e42b8c | 3194 | /* Process. */ |
252b5132 RH |
3195 | if (SF_GET_STRING (tmp)) |
3196 | { | |
3197 | tmp->sy_name_offset = string_byte_count; | |
3198 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
3199 | } | |
3200 | else | |
a5324a3e NC |
3201 | /* Fix "long" names. */ |
3202 | tmp->sy_name_offset = 0; | |
252b5132 RH |
3203 | |
3204 | tmp->sy_number = symbol_number; | |
3205 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
f8e42b8c | 3206 | } |
252b5132 RH |
3207 | |
3208 | return symbol_number; | |
3209 | } | |
3210 | ||
3211 | static unsigned int | |
a5324a3e | 3212 | tie_tags (void) |
252b5132 RH |
3213 | { |
3214 | unsigned int symbol_number = 0; | |
3215 | symbolS *symbolP; | |
3216 | ||
3217 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3218 | { | |
3219 | symbolP->sy_number = symbol_number; | |
3220 | ||
3221 | if (SF_GET_TAGGED (symbolP)) | |
3222 | { | |
3223 | SA_SET_SYM_TAGNDX | |
3224 | (symbolP, | |
3225 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
3226 | } | |
3227 | ||
3228 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
3229 | } | |
3230 | ||
3231 | return symbol_number; | |
3232 | } | |
3233 | ||
f8e42b8c | 3234 | |
a5324a3e NC |
3235 | /* Build a 'section static' symbol. */ |
3236 | ||
3237 | static symbolS * | |
3238 | c_section_symbol (char *name, int idx) | |
3239 | { | |
3240 | symbolS *symbolP; | |
3241 | ||
3242 | symbolP = symbol_find_base (name, DO_NOT_STRIP); | |
3243 | if (symbolP == NULL) | |
3244 | symbolP = symbol_new (name, idx, 0, &zero_address_frag); | |
3245 | else | |
3246 | { | |
3247 | /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */ | |
3248 | S_SET_SEGMENT (symbolP, idx); | |
3249 | symbolP->sy_frag = &zero_address_frag; | |
3250 | } | |
3251 | ||
3252 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3253 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3254 | ||
3255 | SF_SET_STATICS (symbolP); | |
3256 | ||
3257 | #ifdef TE_DELTA | |
3258 | /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared, | |
3259 | which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */ | |
3260 | SF_CLEAR_LOCAL (symbolP); | |
3261 | #endif | |
3262 | #ifdef TE_PE | |
3263 | /* If the .linkonce pseudo-op was used for this section, we must | |
3264 | store the information in the auxiliary entry for the section | |
3265 | symbol. */ | |
3266 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
3267 | { | |
3268 | int type; | |
3269 | ||
3270 | switch (segment_info[idx].linkonce) | |
3271 | { | |
3272 | default: | |
3273 | abort (); | |
3274 | case LINKONCE_DISCARD: | |
3275 | type = IMAGE_COMDAT_SELECT_ANY; | |
3276 | break; | |
3277 | case LINKONCE_ONE_ONLY: | |
3278 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
3279 | break; | |
3280 | case LINKONCE_SAME_SIZE: | |
3281 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
3282 | break; | |
3283 | case LINKONCE_SAME_CONTENTS: | |
3284 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
3285 | break; | |
3286 | } | |
3287 | ||
3288 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
3289 | } | |
3290 | #endif /* TE_PE */ | |
3291 | ||
3292 | return symbolP; | |
3293 | } | |
3294 | ||
252b5132 | 3295 | static void |
a5324a3e | 3296 | crawl_symbols (object_headers *h, bfd *abfd ATTRIBUTE_UNUSED) |
252b5132 RH |
3297 | { |
3298 | unsigned int i; | |
3299 | ||
f8e42b8c | 3300 | /* Initialize the stack used to keep track of the matching .bb .be. */ |
252b5132 RH |
3301 | block_stack = stack_init (512, sizeof (symbolS *)); |
3302 | ||
3303 | /* The symbol list should be ordered according to the following sequence | |
f8e42b8c NC |
3304 | order : |
3305 | . .file symbol | |
3306 | . debug entries for functions | |
3307 | . fake symbols for the sections, including .text .data and .bss | |
3308 | . defined symbols | |
3309 | . undefined symbols | |
3310 | But this is not mandatory. The only important point is to put the | |
3311 | undefined symbols at the end of the list. */ | |
252b5132 | 3312 | |
dcd619be | 3313 | /* Is there a .file symbol ? If not insert one at the beginning. */ |
252b5132 RH |
3314 | if (symbol_rootP == NULL |
3315 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
a4528eeb | 3316 | c_dot_file_symbol ("fake", 0); |
252b5132 | 3317 | |
f8e42b8c | 3318 | /* Build up static symbols for the sections, they are filled in later. */ |
252b5132 RH |
3319 | for (i = SEG_E0; i < SEG_LAST; i++) |
3320 | if (segment_info[i].scnhdr.s_name[0]) | |
f8e42b8c | 3321 | segment_info[i].dot = c_section_symbol ((char *) segment_info[i].name, |
252b5132 RH |
3322 | i - SEG_E0 + 1); |
3323 | ||
f8e42b8c | 3324 | /* Take all the externals out and put them into another chain. */ |
252b5132 | 3325 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); |
f8e42b8c | 3326 | /* Take the externals and glue them onto the end. */ |
252b5132 RH |
3327 | H_SET_SYMBOL_TABLE_SIZE (h, |
3328 | (H_GET_SYMBOL_COUNT (h) | |
3329 | + glue_symbols (&symbol_globalP, | |
3330 | &symbol_global_lastP) | |
3331 | + glue_symbols (&symbol_externP, | |
3332 | &symbol_extern_lastP))); | |
3333 | ||
3334 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
3335 | know (symbol_globalP == NULL); | |
3336 | know (symbol_global_lastP == NULL); | |
3337 | know (symbol_externP == NULL); | |
3338 | know (symbol_extern_lastP == NULL); | |
3339 | } | |
3340 | ||
f8e42b8c | 3341 | /* Find strings by crawling along symbol table chain. */ |
252b5132 | 3342 | |
a5324a3e NC |
3343 | static void |
3344 | w_strings (char *where) | |
252b5132 RH |
3345 | { |
3346 | symbolS *symbolP; | |
3347 | struct filename_list *filename_list_scan = filename_list_head; | |
3348 | ||
f8e42b8c | 3349 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK. */ |
252b5132 RH |
3350 | md_number_to_chars (where, (valueT) string_byte_count, 4); |
3351 | where += 4; | |
3352 | ||
3353 | #ifdef COFF_LONG_SECTION_NAMES | |
3354 | /* Support long section names as found in PE. This code must | |
3355 | coordinate with that in coff_header_append and write_object_file. */ | |
3356 | { | |
3357 | unsigned int i; | |
3358 | ||
3359 | for (i = SEG_E0; i < SEG_LAST; i++) | |
3360 | { | |
3361 | if (segment_info[i].scnhdr.s_name[0] | |
3362 | && strlen (segment_info[i].name) > SCNNMLEN) | |
3363 | { | |
3364 | unsigned int size; | |
3365 | ||
3366 | size = strlen (segment_info[i].name) + 1; | |
3367 | memcpy (where, segment_info[i].name, size); | |
3368 | where += size; | |
3369 | } | |
3370 | } | |
3371 | } | |
3372 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3373 | ||
3374 | for (symbolP = symbol_rootP; | |
3375 | symbolP; | |
3376 | symbolP = symbol_next (symbolP)) | |
3377 | { | |
3378 | unsigned int size; | |
3379 | ||
3380 | if (SF_GET_STRING (symbolP)) | |
3381 | { | |
3382 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
3383 | memcpy (where, S_GET_NAME (symbolP), size); | |
3384 | where += size; | |
3385 | } | |
3386 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
3387 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 | |
3388 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3389 | { | |
3390 | size = strlen (filename_list_scan->filename) + 1; | |
3391 | memcpy (where, filename_list_scan->filename, size); | |
3392 | filename_list_scan = filename_list_scan ->next; | |
3393 | where += size; | |
3394 | } | |
3395 | } | |
3396 | } | |
3397 | ||
3398 | static void | |
a5324a3e NC |
3399 | do_linenos_for (bfd * abfd, |
3400 | object_headers * h, | |
3401 | unsigned long *file_cursor) | |
252b5132 RH |
3402 | { |
3403 | unsigned int idx; | |
3404 | unsigned long start = *file_cursor; | |
3405 | ||
3406 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
3407 | { | |
3408 | segment_info_type *s = segment_info + idx; | |
3409 | ||
252b5132 RH |
3410 | if (s->scnhdr.s_nlnno != 0) |
3411 | { | |
3412 | struct lineno_list *line_ptr; | |
a5324a3e | 3413 | struct external_lineno *buffer = xmalloc (s->scnhdr.s_nlnno * LINESZ); |
252b5132 RH |
3414 | struct external_lineno *dst = buffer; |
3415 | ||
3416 | /* Run through the table we've built and turn it into its external | |
f8e42b8c | 3417 | form, take this chance to remove duplicates. */ |
252b5132 RH |
3418 | |
3419 | for (line_ptr = s->lineno_list_head; | |
3420 | line_ptr != (struct lineno_list *) NULL; | |
3421 | line_ptr = line_ptr->next) | |
3422 | { | |
252b5132 RH |
3423 | if (line_ptr->line.l_lnno == 0) |
3424 | { | |
ea3b9044 NC |
3425 | /* Turn a pointer to a symbol into the symbols' index, |
3426 | provided that it has been initialised. */ | |
3427 | if (line_ptr->line.l_addr.l_symndx) | |
3428 | line_ptr->line.l_addr.l_symndx = | |
3429 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
252b5132 RH |
3430 | } |
3431 | else | |
f8e42b8c | 3432 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; |
252b5132 | 3433 | |
252b5132 RH |
3434 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); |
3435 | dst++; | |
252b5132 RH |
3436 | } |
3437 | ||
3438 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3439 | ||
0e1a166b | 3440 | bfd_bwrite (buffer, (bfd_size_type) s->scnhdr.s_nlnno * LINESZ, abfd); |
252b5132 RH |
3441 | free (buffer); |
3442 | ||
3443 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3444 | } | |
3445 | } | |
f8e42b8c | 3446 | |
252b5132 RH |
3447 | H_SET_LINENO_SIZE (h, *file_cursor - start); |
3448 | } | |
3449 | ||
252b5132 RH |
3450 | /* Now we run through the list of frag chains in a segment and |
3451 | make all the subsegment frags appear at the end of the | |
f8e42b8c | 3452 | list, as if the seg 0 was extra long. */ |
252b5132 RH |
3453 | |
3454 | static void | |
a5324a3e | 3455 | remove_subsegs (void) |
252b5132 RH |
3456 | { |
3457 | unsigned int i; | |
3458 | ||
3459 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3460 | { | |
3461 | frchainS *head = segment_info[i].frchainP; | |
3462 | fragS dummy; | |
3463 | fragS *prev_frag = &dummy; | |
3464 | ||
3465 | while (head && head->frch_seg == i) | |
3466 | { | |
3467 | prev_frag->fr_next = head->frch_root; | |
3468 | prev_frag = head->frch_last; | |
3469 | head = head->frch_next; | |
3470 | } | |
3471 | prev_frag->fr_next = 0; | |
3472 | } | |
3473 | } | |
3474 | ||
3475 | unsigned long machine; | |
3476 | int coff_flags; | |
f8e42b8c | 3477 | |
18e1d487 AM |
3478 | #ifndef SUB_SEGMENT_ALIGN |
3479 | #ifdef HANDLE_ALIGN | |
aaa2624b | 3480 | /* The last subsegment gets an alignment corresponding to the alignment |
18e1d487 AM |
3481 | of the section. This allows proper nop-filling at the end of |
3482 | code-bearing sections. */ | |
3483 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ | |
3484 | (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \ | |
3485 | ? get_recorded_alignment (SEG) : 0) | |
3486 | #else | |
3487 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 1 | |
3488 | #endif | |
3489 | #endif | |
3490 | ||
a5324a3e NC |
3491 | static void |
3492 | w_symbols (bfd * abfd, char *where, symbolS * symbol_rootP) | |
252b5132 | 3493 | { |
a5324a3e NC |
3494 | symbolS *symbolP; |
3495 | unsigned int i; | |
252b5132 | 3496 | |
a5324a3e NC |
3497 | /* First fill in those values we have only just worked out. */ |
3498 | for (i = SEG_E0; i < SEG_LAST; i++) | |
252b5132 | 3499 | { |
a5324a3e NC |
3500 | symbolP = segment_info[i].dot; |
3501 | if (symbolP) | |
3502 | { | |
3503 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); | |
3504 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
3505 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
3506 | } | |
252b5132 | 3507 | } |
252b5132 | 3508 | |
a5324a3e NC |
3509 | /* Emit all symbols left in the symbol chain. */ |
3510 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
252b5132 | 3511 | { |
a5324a3e NC |
3512 | /* Used to save the offset of the name. It is used to point |
3513 | to the string in memory but must be a file offset. */ | |
3514 | char *temp; | |
252b5132 | 3515 | |
a5324a3e NC |
3516 | /* We can't fix the lnnoptr field in yank_symbols with the other |
3517 | adjustments, because we have to wait until we know where they | |
3518 | go in the file. */ | |
3519 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
3520 | SA_GET_SYM_LNNOPTR (symbolP) += | |
3521 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
b9e57a38 | 3522 | |
a5324a3e | 3523 | tc_coff_symbol_emit_hook (symbolP); |
18e1d487 | 3524 | |
a5324a3e NC |
3525 | temp = S_GET_NAME (symbolP); |
3526 | if (SF_GET_STRING (symbolP)) | |
3527 | { | |
3528 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
3529 | S_SET_ZEROES (symbolP, 0); | |
3530 | } | |
0a9ef439 | 3531 | else |
a5324a3e NC |
3532 | { |
3533 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
3534 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
3535 | } | |
3536 | where = symbol_to_chars (abfd, where, symbolP); | |
3537 | S_SET_NAME (symbolP, temp); | |
252b5132 | 3538 | } |
a5324a3e | 3539 | } |
252b5132 | 3540 | |
a5324a3e NC |
3541 | static void |
3542 | fixup_mdeps (fragS *frags, | |
3543 | object_headers *h ATTRIBUTE_UNUSED, | |
3544 | segT this_segment) | |
3545 | { | |
3546 | subseg_change (this_segment, 0); | |
252b5132 | 3547 | |
a5324a3e | 3548 | while (frags) |
252b5132 | 3549 | { |
a5324a3e | 3550 | switch (frags->fr_type) |
252b5132 | 3551 | { |
a5324a3e NC |
3552 | case rs_align: |
3553 | case rs_align_code: | |
3554 | case rs_align_test: | |
3555 | case rs_org: | |
3556 | #ifdef HANDLE_ALIGN | |
3557 | HANDLE_ALIGN (frags); | |
3558 | #endif | |
3559 | frags->fr_type = rs_fill; | |
3560 | frags->fr_offset = | |
3561 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) | |
3562 | / frags->fr_var); | |
3563 | break; | |
3564 | case rs_machine_dependent: | |
3565 | md_convert_frag (h, this_segment, frags); | |
3566 | frag_wane (frags); | |
3567 | break; | |
3568 | default: | |
3569 | ; | |
252b5132 | 3570 | } |
a5324a3e NC |
3571 | frags = frags->fr_next; |
3572 | } | |
3573 | } | |
252b5132 | 3574 | |
a5324a3e NC |
3575 | #ifndef TC_FORCE_RELOCATION |
3576 | #define TC_FORCE_RELOCATION(fix) 0 | |
252b5132 RH |
3577 | #endif |
3578 | ||
a5324a3e NC |
3579 | static void |
3580 | fixup_segment (segment_info_type * segP, segT this_segment_type) | |
3581 | { | |
3582 | fixS * fixP; | |
3583 | symbolS *add_symbolP; | |
3584 | symbolS *sub_symbolP; | |
3585 | long add_number; | |
3586 | int size; | |
3587 | char *place; | |
3588 | long where; | |
3589 | char pcrel; | |
3590 | fragS *fragP; | |
3591 | segT add_symbol_segment = absolute_section; | |
252b5132 | 3592 | |
a5324a3e NC |
3593 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) |
3594 | { | |
3595 | fragP = fixP->fx_frag; | |
3596 | know (fragP); | |
3597 | where = fixP->fx_where; | |
3598 | place = fragP->fr_literal + where; | |
3599 | size = fixP->fx_size; | |
3600 | add_symbolP = fixP->fx_addsy; | |
3601 | sub_symbolP = fixP->fx_subsy; | |
3602 | add_number = fixP->fx_offset; | |
3603 | pcrel = fixP->fx_pcrel; | |
252b5132 | 3604 | |
a5324a3e NC |
3605 | /* We want function-relative stabs to work on systems which |
3606 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
3607 | fixups function-relative stabs generates. | |
252b5132 | 3608 | |
a5324a3e NC |
3609 | Of course, if you actually enable relaxing in the linker, the |
3610 | line and block scoping information is going to be incorrect | |
3611 | in some cases. The only way to really fix this is to support | |
3612 | a reloc involving the difference of two symbols. */ | |
3613 | if (linkrelax | |
3614 | && (!sub_symbolP || pcrel)) | |
3615 | continue; | |
252b5132 | 3616 | |
a5324a3e NC |
3617 | #ifdef TC_I960 |
3618 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) | |
3619 | { | |
3620 | /* Relocation should be done via the associated 'bal' entry | |
3621 | point symbol. */ | |
3622 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) | |
3623 | { | |
3624 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3625 | _("No 'bal' entry point for leafproc %s"), | |
3626 | S_GET_NAME (add_symbolP)); | |
3627 | continue; | |
3628 | } | |
3629 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
3630 | } | |
252b5132 RH |
3631 | #endif |
3632 | ||
a5324a3e NC |
3633 | /* Make sure the symbols have been resolved; this may not have |
3634 | happened if these are expression symbols. */ | |
3635 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
3636 | resolve_symbol_value (add_symbolP); | |
252b5132 | 3637 | |
a5324a3e NC |
3638 | if (add_symbolP != NULL) |
3639 | { | |
3640 | /* If this fixup is against a symbol which has been equated | |
3641 | to another symbol, convert it to the other symbol. */ | |
3642 | if (add_symbolP->sy_value.X_op == O_symbol | |
3643 | && (! S_IS_DEFINED (add_symbolP) | |
3644 | || S_IS_COMMON (add_symbolP))) | |
3645 | { | |
3646 | while (add_symbolP->sy_value.X_op == O_symbol | |
3647 | && (! S_IS_DEFINED (add_symbolP) | |
3648 | || S_IS_COMMON (add_symbolP))) | |
3649 | { | |
3650 | symbolS *n; | |
252b5132 | 3651 | |
a5324a3e NC |
3652 | /* We must avoid looping, as that can occur with a |
3653 | badly written program. */ | |
3654 | n = add_symbolP->sy_value.X_add_symbol; | |
3655 | if (n == add_symbolP) | |
3656 | break; | |
3657 | add_number += add_symbolP->sy_value.X_add_number; | |
3658 | add_symbolP = n; | |
3659 | } | |
3660 | fixP->fx_addsy = add_symbolP; | |
3661 | fixP->fx_offset = add_number; | |
3662 | } | |
3663 | } | |
252b5132 | 3664 | |
a5324a3e NC |
3665 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) |
3666 | resolve_symbol_value (sub_symbolP); | |
252b5132 | 3667 | |
a5324a3e NC |
3668 | if (add_symbolP != NULL |
3669 | && add_symbolP->sy_mri_common) | |
3670 | { | |
3671 | add_number += S_GET_VALUE (add_symbolP); | |
3672 | fixP->fx_offset = add_number; | |
3673 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
3674 | } | |
252b5132 | 3675 | |
a5324a3e NC |
3676 | if (add_symbolP) |
3677 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); | |
252b5132 | 3678 | |
a5324a3e NC |
3679 | if (sub_symbolP) |
3680 | { | |
3681 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) | |
3682 | { | |
3683 | if (add_symbolP != NULL) | |
3684 | { | |
3685 | add_number += S_GET_VALUE (add_symbolP); | |
3686 | add_symbolP = NULL; | |
3687 | fixP->fx_addsy = NULL; | |
3688 | } | |
252b5132 | 3689 | |
a5324a3e NC |
3690 | /* It's just -sym. */ |
3691 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
3692 | { | |
3693 | add_number -= S_GET_VALUE (sub_symbolP); | |
3694 | fixP->fx_subsy = 0; | |
3695 | fixP->fx_done = 1; | |
3696 | } | |
3697 | else | |
3698 | { | |
3699 | #ifndef TC_M68K | |
3700 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3701 | _("Negative of non-absolute symbol %s"), | |
3702 | S_GET_NAME (sub_symbolP)); | |
252b5132 | 3703 | #endif |
a5324a3e NC |
3704 | add_number -= S_GET_VALUE (sub_symbolP); |
3705 | } /* not absolute */ | |
252b5132 | 3706 | |
a5324a3e NC |
3707 | /* If sub_symbol is in the same segment that add_symbol |
3708 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE. */ | |
3709 | } | |
3710 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment | |
3711 | && SEG_NORMAL (add_symbol_segment)) | |
3712 | { | |
3713 | /* Difference of 2 symbols from same segment. Can't | |
3714 | make difference of 2 undefineds: 'value' means | |
3715 | something different for N_UNDF. */ | |
3716 | #ifdef TC_I960 | |
3717 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
3718 | as the target of a call instruction. */ | |
3719 | if (fixP->fx_tcbit) | |
3720 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3721 | _("callj to difference of 2 symbols")); | |
3722 | #endif /* TC_I960 */ | |
3723 | add_number += S_GET_VALUE (add_symbolP) - | |
3724 | S_GET_VALUE (sub_symbolP); | |
3725 | add_symbolP = NULL; | |
252b5132 | 3726 | |
a5324a3e NC |
3727 | if (!TC_FORCE_RELOCATION (fixP)) |
3728 | { | |
3729 | fixP->fx_addsy = NULL; | |
3730 | fixP->fx_subsy = NULL; | |
3731 | fixP->fx_done = 1; | |
3732 | #ifdef TC_M68K /* FIXME: Is this right? */ | |
3733 | pcrel = 0; | |
3734 | fixP->fx_pcrel = 0; | |
252b5132 | 3735 | #endif |
a5324a3e NC |
3736 | } |
3737 | } | |
3738 | else | |
3739 | { | |
3740 | /* Different segments in subtraction. */ | |
3741 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); | |
252b5132 | 3742 | |
a5324a3e NC |
3743 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) |
3744 | add_number -= S_GET_VALUE (sub_symbolP); | |
252b5132 | 3745 | |
a5324a3e NC |
3746 | #ifdef DIFF_EXPR_OK |
3747 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type) | |
3748 | { | |
3749 | /* Make it pc-relative. */ | |
3750 | add_number += (md_pcrel_from (fixP) | |
3751 | - S_GET_VALUE (sub_symbolP)); | |
3752 | pcrel = 1; | |
3753 | fixP->fx_pcrel = 1; | |
3754 | sub_symbolP = 0; | |
3755 | fixP->fx_subsy = 0; | |
3756 | } | |
3757 | #endif | |
3758 | else | |
3759 | { | |
3760 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3761 | _("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."), | |
3762 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
3763 | S_GET_NAME (sub_symbolP), | |
3764 | (long) (fragP->fr_address + where)); | |
3765 | } | |
3766 | } | |
3767 | } | |
252b5132 | 3768 | |
a5324a3e NC |
3769 | if (add_symbolP) |
3770 | { | |
3771 | if (add_symbol_segment == this_segment_type && pcrel) | |
3772 | { | |
3773 | /* This fixup was made when the symbol's segment was | |
3774 | SEG_UNKNOWN, but it is now in the local segment. | |
3775 | So we know how to do the address without relocation. */ | |
3776 | #ifdef TC_I960 | |
3777 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
3778 | in which cases it modifies *fixP as appropriate. In the case | |
3779 | of a 'calls', no further work is required, and *fixP has been | |
3780 | set up to make the rest of the code below a no-op. */ | |
3781 | reloc_callj (fixP); | |
3782 | #endif | |
252b5132 | 3783 | |
a5324a3e NC |
3784 | add_number += S_GET_VALUE (add_symbolP); |
3785 | add_number -= md_pcrel_from (fixP); | |
252b5132 | 3786 | |
a5324a3e NC |
3787 | /* We used to do |
3788 | add_number -= segP->scnhdr.s_vaddr; | |
3789 | if defined (TC_I386) || defined (TE_LYNX). I now | |
3790 | think that was an error propagated from the case when | |
3791 | we are going to emit the relocation. If we are not | |
3792 | going to emit the relocation, then we just want to | |
3793 | set add_number to the difference between the symbols. | |
3794 | This is a case that would only arise when there is a | |
3795 | PC relative reference from a section other than .text | |
3796 | to a symbol defined in the same section, and the | |
3797 | reference is not relaxed. Since jump instructions on | |
3798 | the i386 are relaxed, this could only arise with a | |
3799 | call instruction. */ | |
252b5132 | 3800 | |
a5324a3e NC |
3801 | /* Lie. Don't want further pcrel processing. */ |
3802 | pcrel = 0; | |
3803 | if (!TC_FORCE_RELOCATION (fixP)) | |
3804 | { | |
3805 | fixP->fx_addsy = NULL; | |
3806 | fixP->fx_done = 1; | |
3807 | } | |
3808 | } | |
3809 | else | |
3810 | { | |
3811 | switch (add_symbol_segment) | |
3812 | { | |
3813 | case absolute_section: | |
3814 | #ifdef TC_I960 | |
3815 | /* See comment about reloc_callj() above. */ | |
3816 | reloc_callj (fixP); | |
3817 | #endif /* TC_I960 */ | |
3818 | add_number += S_GET_VALUE (add_symbolP); | |
3819 | add_symbolP = NULL; | |
252b5132 | 3820 | |
a5324a3e NC |
3821 | if (!TC_FORCE_RELOCATION (fixP)) |
3822 | { | |
3823 | fixP->fx_addsy = NULL; | |
3824 | fixP->fx_done = 1; | |
3825 | } | |
3826 | break; | |
3827 | default: | |
3828 | ||
3829 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32) | |
3830 | /* This really should be handled in the linker, but | |
3831 | backward compatibility forbids. */ | |
3832 | add_number += S_GET_VALUE (add_symbolP); | |
3833 | #else | |
3834 | add_number += S_GET_VALUE (add_symbolP) + | |
3835 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
252b5132 | 3836 | #endif |
a5324a3e | 3837 | break; |
252b5132 | 3838 | |
a5324a3e NC |
3839 | case SEG_UNKNOWN: |
3840 | #ifdef TC_I960 | |
3841 | if ((int) fixP->fx_bit_fixP == 13) | |
3842 | { | |
3843 | /* This is a COBR instruction. They have only a | |
3844 | 13-bit displacement and are only to be used | |
3845 | for local branches: flag as error, don't generate | |
3846 | relocation. */ | |
3847 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3848 | _("can't use COBR format with external label")); | |
3849 | fixP->fx_addsy = NULL; | |
3850 | fixP->fx_done = 1; | |
3851 | continue; | |
3852 | } | |
3853 | #endif /* TC_I960 */ | |
3854 | #if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND) | |
3855 | /* 386 COFF uses a peculiar format in which the | |
3856 | value of a common symbol is stored in the .text | |
3857 | segment (I've checked this on SVR3.2 and SCO | |
3858 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
3859 | /* This is also true for 68k COFF on sysv machines | |
3860 | (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on | |
3861 | UNIX System V/M68000, Release 1.0 from ATT/Bell Labs) | |
3862 | Philippe De Muyter <phdm@info.ucl.ac.be>. */ | |
3863 | if (S_IS_COMMON (add_symbolP)) | |
3864 | add_number += S_GET_VALUE (add_symbolP); | |
3865 | #endif | |
3866 | break; | |
252b5132 | 3867 | |
a5324a3e NC |
3868 | } |
3869 | } | |
3870 | } | |
252b5132 | 3871 | |
a5324a3e NC |
3872 | if (pcrel) |
3873 | { | |
3874 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32) | |
3875 | /* This adjustment is not correct on the m88k, for which the | |
3876 | linker does all the computation. */ | |
3877 | add_number -= md_pcrel_from (fixP); | |
3878 | #endif | |
3879 | if (add_symbolP == 0) | |
3880 | fixP->fx_addsy = &abs_symbol; | |
3881 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) | |
3882 | /* On the 386 we must adjust by the segment vaddr as well. | |
3883 | Ian Taylor. | |
252b5132 | 3884 | |
a5324a3e NC |
3885 | I changed the i960 to work this way as well. This is |
3886 | compatible with the current GNU linker behaviour. I do | |
3887 | not know what other i960 COFF assemblers do. This is not | |
3888 | a common case: normally, only assembler code will contain | |
3889 | a PC relative reloc, and only branches which do not | |
3890 | originate in the .text section will have a non-zero | |
3891 | address. | |
252b5132 | 3892 | |
a5324a3e NC |
3893 | I changed the m68k to work this way as well. This will |
3894 | break existing PC relative relocs from sections which do | |
3895 | not start at address 0, but it will make ld -r work. | |
3896 | Ian Taylor, 4 Oct 96. */ | |
252b5132 | 3897 | |
a5324a3e NC |
3898 | add_number -= segP->scnhdr.s_vaddr; |
3899 | #endif | |
3900 | } | |
252b5132 | 3901 | |
a5324a3e | 3902 | md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type); |
252b5132 | 3903 | |
a5324a3e | 3904 | if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow) |
252b5132 | 3905 | { |
a5324a3e NC |
3906 | #ifndef TC_M88K |
3907 | /* The m88k uses the offset field of the reloc to get around | |
3908 | this problem. */ | |
3909 | if ((size == 1 | |
3910 | && ((add_number & ~0xFF) | |
3911 | || (fixP->fx_signed && (add_number & 0x80))) | |
3912 | && ((add_number & ~0xFF) != (-1 & ~0xFF) | |
3913 | || (add_number & 0x80) == 0)) | |
3914 | || (size == 2 | |
3915 | && ((add_number & ~0xFFFF) | |
3916 | || (fixP->fx_signed && (add_number & 0x8000))) | |
3917 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF) | |
3918 | || (add_number & 0x8000) == 0))) | |
252b5132 | 3919 | { |
a5324a3e NC |
3920 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3921 | _("Value of %ld too large for field of %d bytes at 0x%lx"), | |
3922 | (long) add_number, size, | |
3923 | (unsigned long) (fragP->fr_address + where)); | |
252b5132 | 3924 | } |
a5324a3e NC |
3925 | #endif |
3926 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
3927 | /* Warn if a .word value is too large when treated as a | |
3928 | signed number. We already know it is not too negative. | |
3929 | This is to catch over-large switches generated by gcc on | |
3930 | the 68k. */ | |
3931 | if (!flag_signed_overflow_ok | |
3932 | && size == 2 | |
3933 | && add_number > 0x7fff) | |
3934 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3935 | _("Signed .word overflow; switch may be too large; %ld at 0x%lx"), | |
3936 | (long) add_number, | |
3937 | (unsigned long) (fragP->fr_address + where)); | |
3938 | #endif | |
252b5132 RH |
3939 | } |
3940 | } | |
252b5132 RH |
3941 | } |
3942 | ||
a5324a3e | 3943 | /* Fill in the counts in the first entry in a .stab section. */ |
252b5132 RH |
3944 | |
3945 | static void | |
a5324a3e | 3946 | adjust_stab_section (bfd *abfd, segT seg) |
252b5132 | 3947 | { |
a5324a3e NC |
3948 | segT stabstrseg = SEG_UNKNOWN; |
3949 | const char *secname, *name2; | |
3950 | char *name; | |
3951 | char *p = NULL; | |
3952 | int i, strsz = 0, nsyms; | |
3953 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
252b5132 | 3954 | |
a5324a3e | 3955 | /* Look for the associated string table section. */ |
252b5132 | 3956 | |
a5324a3e NC |
3957 | secname = segment_info[seg].name; |
3958 | name = alloca (strlen (secname) + 4); | |
3959 | strcpy (name, secname); | |
3960 | strcat (name, "str"); | |
252b5132 | 3961 | |
a5324a3e | 3962 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
252b5132 | 3963 | { |
a5324a3e NC |
3964 | name2 = segment_info[i].name; |
3965 | if (name2 != NULL && strneq (name2, name, 8)) | |
3966 | { | |
3967 | stabstrseg = i; | |
3968 | break; | |
3969 | } | |
252b5132 RH |
3970 | } |
3971 | ||
a5324a3e NC |
3972 | /* If we found the section, get its size. */ |
3973 | if (stabstrseg != SEG_UNKNOWN) | |
3974 | strsz = size_section (abfd, stabstrseg); | |
252b5132 | 3975 | |
a5324a3e | 3976 | nsyms = size_section (abfd, seg) / 12 - 1; |
f8e42b8c | 3977 | |
a5324a3e NC |
3978 | /* Look for the first frag of sufficient size for the initial stab |
3979 | symbol, and collect a pointer to it. */ | |
3980 | while (frag && frag->fr_fix < 12) | |
3981 | frag = frag->fr_next; | |
3982 | assert (frag != 0); | |
3983 | p = frag->fr_literal; | |
3984 | assert (p != 0); | |
3985 | ||
3986 | /* Write in the number of stab symbols and the size of the string | |
3987 | table. */ | |
3988 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); | |
3989 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
252b5132 RH |
3990 | } |
3991 | ||
3992 | void | |
a5324a3e | 3993 | write_object_file (void) |
252b5132 | 3994 | { |
a5324a3e NC |
3995 | int i; |
3996 | const char *name; | |
3997 | struct frchain *frchain_ptr; | |
3998 | object_headers headers; | |
3999 | unsigned long file_cursor; | |
4000 | bfd *abfd; | |
4001 | unsigned int addr; | |
4002 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
252b5132 | 4003 | |
a5324a3e NC |
4004 | if (abfd == 0) |
4005 | { | |
4006 | as_perror (_("FATAL: Can't create %s"), out_file_name); | |
4007 | exit (EXIT_FAILURE); | |
4008 | } | |
4009 | bfd_set_format (abfd, bfd_object); | |
4010 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
252b5132 | 4011 | |
a5324a3e | 4012 | string_byte_count = 4; |
252b5132 | 4013 | |
a5324a3e NC |
4014 | /* Run through all the sub-segments and align them up. Also |
4015 | close any open frags. We tack a .fill onto the end of the | |
4016 | frag chain so that any .align's size can be worked by looking | |
4017 | at the next frag. */ | |
4018 | for (frchain_ptr = frchain_root; | |
4019 | frchain_ptr != (struct frchain *) NULL; | |
4020 | frchain_ptr = frchain_ptr->frch_next) | |
252b5132 | 4021 | { |
a5324a3e | 4022 | int alignment; |
252b5132 | 4023 | |
a5324a3e | 4024 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); |
252b5132 | 4025 | |
a5324a3e | 4026 | alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr); |
252b5132 | 4027 | |
a5324a3e NC |
4028 | #ifdef md_do_align |
4029 | md_do_align (alignment, NULL, 0, 0, alignment_done); | |
252b5132 | 4030 | #endif |
a5324a3e NC |
4031 | if (subseg_text_p (now_seg)) |
4032 | frag_align_code (alignment, 0); | |
4033 | else | |
4034 | frag_align (alignment, 0, 0); | |
252b5132 | 4035 | |
a5324a3e NC |
4036 | #ifdef md_do_align |
4037 | alignment_done: | |
4038 | #endif | |
252b5132 | 4039 | |
a5324a3e NC |
4040 | frag_wane (frag_now); |
4041 | frag_now->fr_fix = 0; | |
4042 | know (frag_now->fr_next == NULL); | |
252b5132 | 4043 | } |
252b5132 | 4044 | |
a5324a3e | 4045 | remove_subsegs (); |
252b5132 | 4046 | |
a5324a3e NC |
4047 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
4048 | relax_segment (segment_info[i].frchainP->frch_root, i); | |
252b5132 | 4049 | |
a5324a3e NC |
4050 | /* Relaxation has completed. Freeze all syms. */ |
4051 | finalize_syms = 1; | |
252b5132 | 4052 | |
a5324a3e | 4053 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); |
252b5132 | 4054 | |
a5324a3e NC |
4055 | /* Find out how big the sections are, and set the addresses. */ |
4056 | addr = 0; | |
4057 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
252b5132 | 4058 | { |
a5324a3e | 4059 | long size; |
252b5132 | 4060 | |
a5324a3e NC |
4061 | segment_info[i].scnhdr.s_paddr = addr; |
4062 | segment_info[i].scnhdr.s_vaddr = addr; | |
4063 | ||
4064 | if (segment_info[i].scnhdr.s_name[0]) | |
252b5132 | 4065 | { |
a5324a3e NC |
4066 | H_SET_NUMBER_OF_SECTIONS (&headers, |
4067 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
4068 | ||
4069 | #ifdef COFF_LONG_SECTION_NAMES | |
4070 | /* Support long section names as found in PE. This code | |
4071 | must coordinate with that in coff_header_append and | |
4072 | w_strings. */ | |
4073 | { | |
4074 | unsigned int len; | |
4075 | ||
4076 | len = strlen (segment_info[i].name); | |
4077 | if (len > SCNNMLEN) | |
4078 | string_byte_count += len + 1; | |
4079 | } | |
4080 | #endif /* COFF_LONG_SECTION_NAMES */ | |
252b5132 RH |
4081 | } |
4082 | ||
a5324a3e NC |
4083 | size = size_section (abfd, (unsigned int) i); |
4084 | addr += size; | |
4085 | ||
4086 | /* I think the section alignment is only used on the i960; the | |
4087 | i960 needs it, and it should do no harm on other targets. */ | |
4088 | #ifdef ALIGNMENT_IN_S_FLAGS | |
4089 | segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8; | |
4090 | #else | |
4091 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; | |
4092 | #endif | |
4093 | ||
4094 | if (i == SEG_E0) | |
4095 | H_SET_TEXT_SIZE (&headers, size); | |
4096 | else if (i == SEG_E1) | |
4097 | H_SET_DATA_SIZE (&headers, size); | |
4098 | else if (i == SEG_E2) | |
4099 | H_SET_BSS_SIZE (&headers, size); | |
252b5132 | 4100 | } |
252b5132 | 4101 | |
a5324a3e NC |
4102 | /* Turn the gas native symbol table shape into a coff symbol table. */ |
4103 | crawl_symbols (&headers, abfd); | |
252b5132 | 4104 | |
a5324a3e NC |
4105 | if (string_byte_count == 4) |
4106 | string_byte_count = 0; | |
252b5132 | 4107 | |
a5324a3e NC |
4108 | H_SET_STRING_SIZE (&headers, string_byte_count); |
4109 | ||
4110 | #ifdef tc_frob_file | |
4111 | tc_frob_file (); | |
4112 | #endif | |
4113 | ||
4114 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
252b5132 | 4115 | { |
a5324a3e NC |
4116 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); |
4117 | fixup_segment (&segment_info[i], i); | |
252b5132 RH |
4118 | } |
4119 | ||
a5324a3e NC |
4120 | /* Look for ".stab" segments and fill in their initial symbols |
4121 | correctly. */ | |
4122 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
252b5132 | 4123 | { |
a5324a3e | 4124 | name = segment_info[i].name; |
252b5132 | 4125 | |
a5324a3e NC |
4126 | if (name != NULL |
4127 | && strneq (".stab", name, 5) | |
4128 | && ! strneq (".stabstr", name, 8)) | |
4129 | adjust_stab_section (abfd, i); | |
4130 | } | |
252b5132 | 4131 | |
a5324a3e | 4132 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); |
252b5132 | 4133 | |
a5324a3e | 4134 | bfd_seek (abfd, (file_ptr) file_cursor, 0); |
252b5132 | 4135 | |
a5324a3e NC |
4136 | /* Plant the data. */ |
4137 | fill_section (abfd, &headers, &file_cursor); | |
252b5132 | 4138 | |
a5324a3e | 4139 | do_relocs_for (abfd, &headers, &file_cursor); |
f8e42b8c | 4140 | |
a5324a3e NC |
4141 | do_linenos_for (abfd, &headers, &file_cursor); |
4142 | ||
4143 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
4144 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
4145 | H_SET_TIME_STAMP (&headers, (long) time (NULL)); | |
4146 | #else | |
4147 | H_SET_TIME_STAMP (&headers, 0); | |
4148 | #endif | |
4149 | #ifdef TC_COFF_SET_MACHINE | |
4150 | TC_COFF_SET_MACHINE (&headers); | |
252b5132 | 4151 | #endif |
252b5132 | 4152 | |
a5324a3e NC |
4153 | #ifndef COFF_FLAGS |
4154 | #define COFF_FLAGS 0 | |
4155 | #endif | |
252b5132 | 4156 | |
a5324a3e NC |
4157 | #ifdef KEEP_RELOC_INFO |
4158 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE (&headers) ? 0 : F_LNNO) | | |
4159 | COFF_FLAGS | coff_flags)); | |
4160 | #else | |
4161 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE (&headers) ? 0 : F_LNNO) | | |
4162 | (H_GET_RELOCATION_SIZE (&headers) ? 0 : F_RELFLG) | | |
4163 | COFF_FLAGS | coff_flags)); | |
252b5132 RH |
4164 | #endif |
4165 | ||
a5324a3e NC |
4166 | { |
4167 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
4168 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
252b5132 | 4169 | |
a5324a3e NC |
4170 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); |
4171 | w_symbols (abfd, buffer1, symbol_rootP); | |
4172 | if (string_byte_count > 0) | |
4173 | w_strings (buffer1 + symtable_size); | |
4174 | bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count, | |
4175 | abfd); | |
4176 | free (buffer1); | |
4177 | } | |
252b5132 | 4178 | |
a5324a3e | 4179 | coff_header_append (abfd, &headers); |
252b5132 | 4180 | |
a5324a3e NC |
4181 | { |
4182 | extern bfd *stdoutput; | |
4183 | stdoutput = abfd; | |
4184 | } | |
4185 | } | |
252b5132 | 4186 | |
a5324a3e NC |
4187 | /* Add a new segment. This is called from subseg_new via the |
4188 | obj_new_segment macro. */ | |
252b5132 | 4189 | |
a5324a3e NC |
4190 | segT |
4191 | obj_coff_add_segment (const char *name) | |
4192 | { | |
4193 | unsigned int i; | |
252b5132 | 4194 | |
a5324a3e NC |
4195 | #ifndef COFF_LONG_SECTION_NAMES |
4196 | char buf[SCNNMLEN + 1]; | |
252b5132 | 4197 | |
a5324a3e NC |
4198 | strncpy (buf, name, SCNNMLEN); |
4199 | buf[SCNNMLEN] = '\0'; | |
4200 | name = buf; | |
4201 | #endif | |
252b5132 | 4202 | |
a5324a3e NC |
4203 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) |
4204 | if (streq (name, segment_info[i].name)) | |
4205 | return (segT) i; | |
252b5132 | 4206 | |
a5324a3e NC |
4207 | if (i == SEG_LAST) |
4208 | { | |
4209 | as_bad (_("Too many new sections; can't add \"%s\""), name); | |
4210 | return now_seg; | |
4211 | } | |
252b5132 | 4212 | |
a5324a3e NC |
4213 | /* Add a new section. */ |
4214 | strncpy (segment_info[i].scnhdr.s_name, name, | |
4215 | sizeof (segment_info[i].scnhdr.s_name)); | |
4216 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
4217 | segment_info[i].name = xstrdup (name); | |
252b5132 | 4218 | |
a5324a3e NC |
4219 | return (segT) i; |
4220 | } | |
252b5132 | 4221 | |
a5324a3e NC |
4222 | /* Implement the .section pseudo op: |
4223 | .section name {, "flags"} | |
4224 | ^ ^ | |
4225 | | +--- optional flags: 'b' for bss | |
4226 | | 'i' for info | |
4227 | +-- section name 'l' for lib | |
4228 | 'n' for noload | |
4229 | 'o' for over | |
4230 | 'w' for data | |
4231 | 'd' (apparently m88k for data) | |
4232 | 'x' for text | |
4233 | 'r' for read-only data | |
4234 | But if the argument is not a quoted string, treat it as a | |
4235 | subsegment number. */ | |
252b5132 | 4236 | |
a5324a3e NC |
4237 | void |
4238 | obj_coff_section (int ignore ATTRIBUTE_UNUSED) | |
4239 | { | |
4240 | /* Strip out the section name. */ | |
4241 | char *section_name, *name; | |
4242 | char c; | |
4243 | unsigned int exp; | |
4244 | long flags; | |
f8e42b8c | 4245 | |
a5324a3e NC |
4246 | if (flag_mri) |
4247 | { | |
4248 | char type; | |
252b5132 | 4249 | |
a5324a3e NC |
4250 | s_mri_sect (&type); |
4251 | flags = 0; | |
4252 | if (type == 'C') | |
4253 | flags = STYP_TEXT; | |
4254 | else if (type == 'D') | |
4255 | flags = STYP_DATA; | |
4256 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
252b5132 | 4257 | |
a5324a3e NC |
4258 | return; |
4259 | } | |
252b5132 | 4260 | |
a5324a3e NC |
4261 | section_name = input_line_pointer; |
4262 | c = get_symbol_end (); | |
252b5132 | 4263 | |
a5324a3e NC |
4264 | name = xmalloc (input_line_pointer - section_name + 1); |
4265 | strcpy (name, section_name); | |
252b5132 | 4266 | |
a5324a3e | 4267 | *input_line_pointer = c; |
252b5132 | 4268 | |
a5324a3e NC |
4269 | exp = 0; |
4270 | flags = 0; | |
252b5132 | 4271 | |
a5324a3e NC |
4272 | SKIP_WHITESPACE (); |
4273 | if (*input_line_pointer == ',') | |
4274 | { | |
4275 | ++input_line_pointer; | |
4276 | SKIP_WHITESPACE (); | |
252b5132 | 4277 | |
a5324a3e NC |
4278 | if (*input_line_pointer != '"') |
4279 | exp = get_absolute_expression (); | |
4280 | else | |
4281 | { | |
4282 | ++input_line_pointer; | |
4283 | while (*input_line_pointer != '"' | |
4284 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4285 | { | |
4286 | switch (*input_line_pointer) | |
4287 | { | |
4288 | case 'b': flags |= STYP_BSS; break; | |
4289 | case 'i': flags |= STYP_INFO; break; | |
4290 | case 'l': flags |= STYP_LIB; break; | |
4291 | case 'n': flags |= STYP_NOLOAD; break; | |
4292 | case 'o': flags |= STYP_OVER; break; | |
4293 | case 'd': | |
4294 | case 'w': flags |= STYP_DATA; break; | |
4295 | case 'x': flags |= STYP_TEXT; break; | |
4296 | case 'r': flags |= STYP_LIT; break; | |
4297 | default: | |
4298 | as_warn (_("unknown section attribute '%c'"), | |
4299 | *input_line_pointer); | |
4300 | break; | |
f8e42b8c | 4301 | } |
a5324a3e | 4302 | ++input_line_pointer; |
f8e42b8c | 4303 | } |
a5324a3e NC |
4304 | if (*input_line_pointer == '"') |
4305 | ++input_line_pointer; | |
f8e42b8c | 4306 | } |
a5324a3e | 4307 | } |
252b5132 | 4308 | |
a5324a3e | 4309 | subseg_new (name, (subsegT) exp); |
252b5132 | 4310 | |
a5324a3e | 4311 | segment_info[now_seg].scnhdr.s_flags |= flags; |
252b5132 | 4312 | |
a5324a3e NC |
4313 | demand_empty_rest_of_line (); |
4314 | } | |
252b5132 | 4315 | |
a5324a3e NC |
4316 | static void |
4317 | obj_coff_text (int ignore ATTRIBUTE_UNUSED) | |
4318 | { | |
4319 | subseg_new (".text", get_absolute_expression ()); | |
4320 | } | |
252b5132 | 4321 | |
a5324a3e NC |
4322 | static void |
4323 | obj_coff_data (int ignore ATTRIBUTE_UNUSED) | |
4324 | { | |
4325 | if (flag_readonly_data_in_text) | |
4326 | subseg_new (".text", get_absolute_expression () + 1000); | |
4327 | else | |
4328 | subseg_new (".data", get_absolute_expression ()); | |
4329 | } | |
ec0f0840 | 4330 | |
a5324a3e NC |
4331 | static void |
4332 | obj_coff_ident (int ignore ATTRIBUTE_UNUSED) | |
4333 | { | |
4334 | segT current_seg = now_seg; /* Save current seg. */ | |
4335 | subsegT current_subseg = now_subseg; | |
4336 | ||
4337 | subseg_new (".comment", 0); /* .comment seg. */ | |
4338 | stringer (1); /* Read string. */ | |
4339 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ | |
4340 | } | |
4341 | ||
4342 | void | |
4343 | c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED) | |
4344 | { | |
4345 | symbolS *symbolP; | |
4346 | ||
4347 | symbolP = symbol_new (".file", SEG_DEBUG, 0, & zero_address_frag); | |
4348 | ||
4349 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
4350 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
4351 | ||
4352 | if (strlen (filename) > FILNMLEN) | |
4353 | { | |
4354 | /* Filename is too long to fit into an auxent, | |
4355 | we stick it into the string table instead. We keep | |
4356 | a linked list of the filenames we find so we can emit | |
4357 | them later. */ | |
4358 | struct filename_list *f = xmalloc (sizeof (* f)); | |
4359 | ||
4360 | f->filename = filename; | |
4361 | f->next = 0; | |
4362 | ||
4363 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
4364 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); | |
4365 | ||
4366 | if (filename_list_tail) | |
4367 | filename_list_tail->next = f; | |
4368 | else | |
4369 | filename_list_head = f; | |
4370 | filename_list_tail = f; | |
4371 | } | |
4372 | else | |
4373 | SA_SET_FILE_FNAME (symbolP, filename); | |
4374 | ||
4375 | #ifndef NO_LISTING | |
4376 | { | |
4377 | extern int listing; | |
4378 | if (listing) | |
4379 | listing_source_file (filename); | |
4380 | } | |
252b5132 | 4381 | #endif |
a5324a3e NC |
4382 | |
4383 | SF_SET_DEBUG (symbolP); | |
4384 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
4385 | ||
4386 | previous_file_symbol = symbolP; | |
4387 | ||
4388 | /* Make sure that the symbol is first on the symbol chain. */ | |
4389 | if (symbol_rootP != symbolP) | |
4390 | { | |
4391 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
4392 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
4393 | } |
4394 | } | |
252b5132 | 4395 | |
a5324a3e NC |
4396 | static void |
4397 | obj_coff_lcomm (int ignore ATTRIBUTE_UNUSED) | |
4398 | { | |
4399 | s_lcomm (0); | |
4400 | return; | |
4401 | } | |
252b5132 RH |
4402 | |
4403 | /* The first entry in a .stab section is special. */ | |
4404 | ||
4405 | void | |
a5324a3e | 4406 | obj_coff_init_stab_section (segT seg) |
252b5132 RH |
4407 | { |
4408 | char *file; | |
4409 | char *p; | |
4410 | char *stabstr_name; | |
4411 | unsigned int stroff; | |
4412 | ||
dcd619be | 4413 | /* Make space for this first symbol. */ |
252b5132 | 4414 | p = frag_more (12); |
dcd619be | 4415 | /* Zero it out. */ |
252b5132 RH |
4416 | memset (p, 0, 12); |
4417 | as_where (&file, (unsigned int *) NULL); | |
a5324a3e | 4418 | stabstr_name = alloca (strlen (segment_info[seg].name) + 4); |
252b5132 RH |
4419 | strcpy (stabstr_name, segment_info[seg].name); |
4420 | strcat (stabstr_name, "str"); | |
4421 | stroff = get_stab_string_offset (file, stabstr_name); | |
4422 | know (stroff == 1); | |
4423 | md_number_to_chars (p, stroff, 4); | |
4424 | } | |
4425 | ||
252b5132 RH |
4426 | #endif /* not BFD_ASSEMBLER */ |
4427 | ||
4c63da97 | 4428 | const pseudo_typeS coff_pseudo_table[] = |
252b5132 | 4429 | { |
a5324a3e NC |
4430 | {"ABORT", s_abort, 0}, |
4431 | {"appline", obj_coff_ln, 1}, | |
4432 | /* We accept the .bss directive for backward compatibility with | |
4433 | earlier versions of gas. */ | |
4434 | {"bss", obj_coff_bss, 0}, | |
252b5132 RH |
4435 | {"def", obj_coff_def, 0}, |
4436 | {"dim", obj_coff_dim, 0}, | |
4437 | {"endef", obj_coff_endef, 0}, | |
a5324a3e | 4438 | {"ident", obj_coff_ident, 0}, |
252b5132 RH |
4439 | {"line", obj_coff_line, 0}, |
4440 | {"ln", obj_coff_ln, 0}, | |
252b5132 | 4441 | {"scl", obj_coff_scl, 0}, |
a5324a3e NC |
4442 | {"sect", obj_coff_section, 0}, |
4443 | {"sect.s", obj_coff_section, 0}, | |
4444 | {"section", obj_coff_section, 0}, | |
4445 | {"section.s", obj_coff_section, 0}, | |
4446 | /* FIXME: We ignore the MRI short attribute. */ | |
252b5132 RH |
4447 | {"size", obj_coff_size, 0}, |
4448 | {"tag", obj_coff_tag, 0}, | |
4449 | {"type", obj_coff_type, 0}, | |
4450 | {"val", obj_coff_val, 0}, | |
a5324a3e NC |
4451 | {"version", s_ignore, 0}, |
4452 | #ifdef BFD_ASSEMBLER | |
4453 | {"loc", obj_coff_loc, 0}, | |
4454 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
4455 | {"weak", obj_coff_weak, 0}, | |
4456 | #else | |
252b5132 RH |
4457 | {"data", obj_coff_data, 0}, |
4458 | {"lcomm", obj_coff_lcomm, 0}, | |
a5324a3e NC |
4459 | {"text", obj_coff_text, 0}, |
4460 | {"use", obj_coff_section, 0}, | |
252b5132 | 4461 | #endif |
a5324a3e | 4462 | #if defined TC_M88K || defined TC_TIC4X |
026df7c5 | 4463 | /* The m88k and tic4x uses sdef instead of def. */ |
252b5132 RH |
4464 | {"sdef", obj_coff_def, 0}, |
4465 | #endif | |
a5324a3e NC |
4466 | {NULL, NULL, 0} |
4467 | }; | |
252b5132 RH |
4468 | \f |
4469 | #ifdef BFD_ASSEMBLER | |
4470 | ||
4471 | /* Support for a COFF emulation. */ | |
4472 | ||
4473 | static void | |
a5324a3e | 4474 | coff_pop_insert (void) |
252b5132 | 4475 | { |
4c63da97 | 4476 | pop_insert (coff_pseudo_table); |
252b5132 RH |
4477 | } |
4478 | ||
5110c57e | 4479 | static int |
a5324a3e | 4480 | coff_separate_stab_sections (void) |
5110c57e HPN |
4481 | { |
4482 | return 1; | |
4483 | } | |
4484 | ||
252b5132 RH |
4485 | const struct format_ops coff_format_ops = |
4486 | { | |
4487 | bfd_target_coff_flavour, | |
4c63da97 AM |
4488 | 0, /* dfl_leading_underscore */ |
4489 | 1, /* emit_section_symbols */ | |
5110c57e HPN |
4490 | 0, /* begin */ |
4491 | c_dot_file_symbol, | |
252b5132 | 4492 | coff_frob_symbol, |
4c63da97 | 4493 | 0, /* frob_file */ |
339681c0 | 4494 | 0, /* frob_file_before_adjust */ |
a161fe53 | 4495 | 0, /* frob_file_before_fix */ |
252b5132 | 4496 | coff_frob_file_after_relocs, |
4c63da97 AM |
4497 | 0, /* s_get_size */ |
4498 | 0, /* s_set_size */ | |
4499 | 0, /* s_get_align */ | |
4500 | 0, /* s_set_align */ | |
4501 | 0, /* s_get_other */ | |
5110c57e | 4502 | 0, /* s_set_other */ |
4c63da97 | 4503 | 0, /* s_get_desc */ |
5110c57e HPN |
4504 | 0, /* s_set_desc */ |
4505 | 0, /* s_get_type */ | |
4506 | 0, /* s_set_type */ | |
4c63da97 AM |
4507 | 0, /* copy_symbol_attributes */ |
4508 | 0, /* generate_asm_lineno */ | |
4509 | 0, /* process_stab */ | |
5110c57e HPN |
4510 | coff_separate_stab_sections, |
4511 | obj_coff_init_stab_section, | |
4c63da97 | 4512 | 0, /* sec_sym_ok_for_reloc */ |
252b5132 | 4513 | coff_pop_insert, |
4c63da97 | 4514 | 0, /* ecoff_set_ext */ |
252b5132 | 4515 | coff_obj_read_begin_hook, |
4c63da97 | 4516 | coff_obj_symbol_new_hook |
252b5132 RH |
4517 | }; |
4518 | ||
4519 | #endif |