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 | |
4b4da160 NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 RH |
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 | 139 | { |
252b5132 RH |
140 | return (symbolS *) hash_find (tag_hash, name); |
141 | } | |
142 | ||
143 | static symbolS * | |
a5324a3e | 144 | tag_find_or_make (char *name) |
252b5132 RH |
145 | { |
146 | symbolS *symbolP; | |
147 | ||
148 | if ((symbolP = tag_find (name)) == NULL) | |
149 | { | |
150 | symbolP = symbol_new (name, undefined_section, | |
151 | 0, &zero_address_frag); | |
152 | ||
153 | tag_insert (S_GET_NAME (symbolP), symbolP); | |
154 | #ifdef BFD_ASSEMBLER | |
155 | symbol_table_insert (symbolP); | |
156 | #endif | |
a5324a3e | 157 | } |
252b5132 RH |
158 | |
159 | return symbolP; | |
160 | } | |
161 | ||
162 | /* We accept the .bss directive to set the section for backward | |
163 | compatibility with earlier versions of gas. */ | |
164 | ||
165 | static void | |
a5324a3e | 166 | obj_coff_bss (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
167 | { |
168 | if (*input_line_pointer == '\n') | |
169 | subseg_new (".bss", get_absolute_expression ()); | |
170 | else | |
171 | s_lcomm (0); | |
172 | } | |
173 | ||
252b5132 RH |
174 | #ifdef BFD_ASSEMBLER |
175 | ||
252b5132 | 176 | #define GET_FILENAME_STRING(X) \ |
a5324a3e | 177 | ((char *) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1]) |
252b5132 RH |
178 | |
179 | /* @@ Ick. */ | |
180 | static segT | |
a5324a3e | 181 | fetch_coff_debug_section (void) |
252b5132 RH |
182 | { |
183 | static segT debug_section; | |
a5324a3e | 184 | |
252b5132 RH |
185 | if (!debug_section) |
186 | { | |
5a38dc70 | 187 | const asymbol *s; |
a5324a3e NC |
188 | |
189 | s = bfd_make_debug_symbol (stdoutput, NULL, 0); | |
252b5132 RH |
190 | assert (s != 0); |
191 | debug_section = s->section; | |
192 | } | |
193 | return debug_section; | |
194 | } | |
195 | ||
196 | void | |
a5324a3e | 197 | SA_SET_SYM_ENDNDX (symbolS *sym, symbolS *val) |
252b5132 RH |
198 | { |
199 | combined_entry_type *entry, *p; | |
200 | ||
49309057 ILT |
201 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
202 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
203 | entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p; |
204 | entry->fix_end = 1; | |
205 | } | |
206 | ||
207 | static void | |
a5324a3e | 208 | SA_SET_SYM_TAGNDX (symbolS *sym, symbolS *val) |
252b5132 RH |
209 | { |
210 | combined_entry_type *entry, *p; | |
211 | ||
49309057 ILT |
212 | entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1]; |
213 | p = coffsymbol (symbol_get_bfdsym (val))->native; | |
252b5132 RH |
214 | entry->u.auxent.x_sym.x_tagndx.p = p; |
215 | entry->fix_tag = 1; | |
216 | } | |
217 | ||
218 | static int | |
a5324a3e | 219 | S_GET_DATA_TYPE (symbolS *sym) |
252b5132 | 220 | { |
49309057 | 221 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type; |
252b5132 RH |
222 | } |
223 | ||
224 | int | |
a5324a3e | 225 | S_SET_DATA_TYPE (symbolS *sym, int val) |
252b5132 | 226 | { |
49309057 | 227 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val; |
252b5132 RH |
228 | return val; |
229 | } | |
230 | ||
231 | int | |
a5324a3e | 232 | S_GET_STORAGE_CLASS (symbolS *sym) |
252b5132 | 233 | { |
49309057 | 234 | return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass; |
252b5132 RH |
235 | } |
236 | ||
237 | int | |
a5324a3e | 238 | S_SET_STORAGE_CLASS (symbolS *sym, int val) |
252b5132 | 239 | { |
49309057 | 240 | coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val; |
252b5132 RH |
241 | return val; |
242 | } | |
243 | ||
dcd619be | 244 | /* Merge a debug symbol containing debug information into a normal symbol. */ |
252b5132 | 245 | |
a5324a3e NC |
246 | static void |
247 | c_symbol_merge (symbolS *debug, symbolS *normal) | |
252b5132 RH |
248 | { |
249 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
250 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
251 | ||
252 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
a5324a3e NC |
253 | /* Take the most we have. */ |
254 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
252b5132 RH |
255 | |
256 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
a5324a3e NC |
257 | /* Move all the auxiliary information. */ |
258 | memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug), | |
259 | (S_GET_NUMBER_AUXILIARY (debug) | |
260 | * sizeof (*SYM_AUXINFO (debug)))); | |
252b5132 | 261 | |
dcd619be | 262 | /* Move the debug flags. */ |
252b5132 RH |
263 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); |
264 | } | |
265 | ||
266 | void | |
a4528eeb | 267 | c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED) |
252b5132 RH |
268 | { |
269 | symbolS *symbolP; | |
270 | ||
0561a208 ILT |
271 | /* BFD converts filename to a .file symbol with an aux entry. It |
272 | also handles chaining. */ | |
252b5132 RH |
273 | symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag); |
274 | ||
275 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
276 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
277 | ||
49309057 | 278 | symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING; |
252b5132 RH |
279 | |
280 | #ifndef NO_LISTING | |
281 | { | |
282 | extern int listing; | |
a5324a3e | 283 | |
252b5132 | 284 | if (listing) |
a5324a3e | 285 | listing_source_file (filename); |
252b5132 RH |
286 | } |
287 | #endif | |
288 | ||
a5324a3e | 289 | /* Make sure that the symbol is first on the symbol chain. */ |
252b5132 RH |
290 | if (symbol_rootP != symbolP) |
291 | { | |
292 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
293 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
a5324a3e | 294 | } |
252b5132 RH |
295 | } |
296 | ||
a5324a3e | 297 | /* Line number handling. */ |
252b5132 | 298 | |
a5324a3e NC |
299 | struct line_no |
300 | { | |
252b5132 RH |
301 | struct line_no *next; |
302 | fragS *frag; | |
303 | alent l; | |
304 | }; | |
305 | ||
306 | int coff_line_base; | |
307 | ||
308 | /* Symbol of last function, which we should hang line#s off of. */ | |
309 | static symbolS *line_fsym; | |
310 | ||
311 | #define in_function() (line_fsym != 0) | |
312 | #define clear_function() (line_fsym = 0) | |
313 | #define set_function(F) (line_fsym = (F), coff_add_linesym (F)) | |
314 | ||
315 | \f | |
316 | void | |
a5324a3e | 317 | coff_obj_symbol_new_hook (symbolS *symbolP) |
252b5132 RH |
318 | { |
319 | long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type); | |
a5324a3e | 320 | char * s = xmalloc (sz); |
dcd619be | 321 | |
252b5132 | 322 | memset (s, 0, sz); |
49309057 | 323 | coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s; |
252b5132 RH |
324 | |
325 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
326 | S_SET_STORAGE_CLASS (symbolP, 0); | |
327 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
328 | ||
329 | if (S_IS_STRING (symbolP)) | |
330 | SF_SET_STRING (symbolP); | |
dcd619be | 331 | |
252b5132 RH |
332 | if (S_IS_LOCAL (symbolP)) |
333 | SF_SET_LOCAL (symbolP); | |
334 | } | |
335 | ||
336 | \f | |
a5324a3e | 337 | /* Handle .ln directives. */ |
252b5132 RH |
338 | |
339 | static symbolS *current_lineno_sym; | |
340 | static struct line_no *line_nos; | |
a5324a3e | 341 | /* FIXME: Blindly assume all .ln directives will be in the .text section. */ |
252b5132 RH |
342 | int coff_n_line_nos; |
343 | ||
344 | static void | |
a5324a3e | 345 | add_lineno (fragS * frag, addressT offset, int num) |
252b5132 | 346 | { |
a5324a3e NC |
347 | struct line_no * new_line = xmalloc (sizeof (* new_line)); |
348 | ||
252b5132 | 349 | if (!current_lineno_sym) |
a5324a3e | 350 | abort (); |
6877bb43 TR |
351 | |
352 | #ifndef OBJ_XCOFF | |
a5324a3e | 353 | /* The native aix assembler accepts negative line number. */ |
6877bb43 | 354 | |
dcd619be | 355 | if (num <= 0) |
e8a3ab75 ILT |
356 | { |
357 | /* Zero is used as an end marker in the file. */ | |
b985eaa8 ILT |
358 | as_warn (_("Line numbers must be positive integers\n")); |
359 | num = 1; | |
e8a3ab75 | 360 | } |
6877bb43 | 361 | #endif /* OBJ_XCOFF */ |
252b5132 RH |
362 | new_line->next = line_nos; |
363 | new_line->frag = frag; | |
364 | new_line->l.line_number = num; | |
365 | new_line->l.u.offset = offset; | |
366 | line_nos = new_line; | |
367 | coff_n_line_nos++; | |
368 | } | |
369 | ||
370 | void | |
a5324a3e | 371 | coff_add_linesym (symbolS *sym) |
252b5132 RH |
372 | { |
373 | if (line_nos) | |
374 | { | |
49309057 ILT |
375 | coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno = |
376 | (alent *) line_nos; | |
252b5132 RH |
377 | coff_n_line_nos++; |
378 | line_nos = 0; | |
379 | } | |
380 | current_lineno_sym = sym; | |
381 | } | |
382 | ||
383 | static void | |
a5324a3e | 384 | obj_coff_ln (int appline) |
252b5132 RH |
385 | { |
386 | int l; | |
387 | ||
388 | if (! appline && def_symbol_in_progress != NULL) | |
389 | { | |
390 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); | |
391 | demand_empty_rest_of_line (); | |
392 | return; | |
393 | } | |
394 | ||
395 | l = get_absolute_expression (); | |
252b5132 | 396 | |
e237d851 NC |
397 | /* If there is no lineno symbol, treat a .ln |
398 | directive as if it were a .appline directive. */ | |
399 | if (appline || current_lineno_sym == NULL) | |
252b5132 | 400 | new_logical_line ((char *) NULL, l - 1); |
e237d851 NC |
401 | else |
402 | add_lineno (frag_now, frag_now_fix (), l); | |
252b5132 RH |
403 | |
404 | #ifndef NO_LISTING | |
405 | { | |
406 | extern int listing; | |
407 | ||
408 | if (listing) | |
409 | { | |
410 | if (! appline) | |
411 | l += coff_line_base - 1; | |
412 | listing_source_line (l); | |
413 | } | |
414 | } | |
415 | #endif | |
416 | ||
417 | demand_empty_rest_of_line (); | |
418 | } | |
419 | ||
28428223 ILT |
420 | /* .loc is essentially the same as .ln; parse it for assembler |
421 | compatibility. */ | |
422 | ||
423 | static void | |
a5324a3e | 424 | obj_coff_loc (int ignore ATTRIBUTE_UNUSED) |
28428223 ILT |
425 | { |
426 | int lineno; | |
427 | ||
428 | /* FIXME: Why do we need this check? We need it for ECOFF, but why | |
429 | do we need it for COFF? */ | |
430 | if (now_seg != text_section) | |
431 | { | |
432 | as_warn (_(".loc outside of .text")); | |
433 | demand_empty_rest_of_line (); | |
434 | return; | |
435 | } | |
436 | ||
437 | if (def_symbol_in_progress != NULL) | |
438 | { | |
439 | as_warn (_(".loc pseudo-op inside .def/.endef: ignored.")); | |
440 | demand_empty_rest_of_line (); | |
441 | return; | |
442 | } | |
443 | ||
444 | /* Skip the file number. */ | |
445 | SKIP_WHITESPACE (); | |
446 | get_absolute_expression (); | |
447 | SKIP_WHITESPACE (); | |
448 | ||
449 | lineno = get_absolute_expression (); | |
450 | ||
451 | #ifndef NO_LISTING | |
452 | { | |
453 | extern int listing; | |
454 | ||
455 | if (listing) | |
456 | { | |
cc8a6dd0 | 457 | lineno += coff_line_base - 1; |
28428223 ILT |
458 | listing_source_line (lineno); |
459 | } | |
460 | } | |
461 | #endif | |
462 | ||
463 | demand_empty_rest_of_line (); | |
464 | ||
465 | add_lineno (frag_now, frag_now_fix (), lineno); | |
466 | } | |
467 | ||
7a6284c4 ILT |
468 | /* Handle the .ident pseudo-op. */ |
469 | ||
470 | static void | |
a5324a3e | 471 | obj_coff_ident (int ignore ATTRIBUTE_UNUSED) |
7a6284c4 ILT |
472 | { |
473 | segT current_seg = now_seg; | |
474 | subsegT current_subseg = now_subseg; | |
475 | ||
476 | #ifdef TE_PE | |
477 | { | |
478 | segT sec; | |
479 | ||
480 | /* We could put it in .comment, but that creates an extra section | |
481 | that shouldn't be loaded into memory, which requires linker | |
482 | changes... For now, until proven otherwise, use .rdata. */ | |
483 | sec = subseg_new (".rdata$zzz", 0); | |
484 | bfd_set_section_flags (stdoutput, sec, | |
485 | ((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA) | |
486 | & bfd_applicable_section_flags (stdoutput))); | |
487 | } | |
488 | #else | |
489 | subseg_new (".comment", 0); | |
490 | #endif | |
491 | ||
492 | stringer (1); | |
493 | subseg_set (current_seg, current_subseg); | |
494 | } | |
495 | ||
a5324a3e NC |
496 | /* Handle .def directives. |
497 | ||
498 | One might ask : why can't we symbol_new if the symbol does not | |
499 | already exist and fill it with debug information. Because of | |
500 | the C_EFCN special symbol. It would clobber the value of the | |
501 | function symbol before we have a chance to notice that it is | |
502 | a C_EFCN. And a second reason is that the code is more clear this | |
503 | way. (at least I think it is :-). */ | |
252b5132 RH |
504 | |
505 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
506 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a5324a3e NC |
507 | *input_line_pointer == '\t') \ |
508 | input_line_pointer++; | |
252b5132 RH |
509 | |
510 | static void | |
a5324a3e | 511 | obj_coff_def (int what ATTRIBUTE_UNUSED) |
252b5132 | 512 | { |
a5324a3e NC |
513 | char name_end; /* Char after the end of name. */ |
514 | char *symbol_name; /* Name of the debug symbol. */ | |
515 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
516 | unsigned int symbol_name_length; |
517 | ||
518 | if (def_symbol_in_progress != NULL) | |
519 | { | |
520 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
521 | demand_empty_rest_of_line (); | |
522 | return; | |
a5324a3e | 523 | } |
252b5132 RH |
524 | |
525 | SKIP_WHITESPACES (); | |
526 | ||
527 | symbol_name = input_line_pointer; | |
252b5132 RH |
528 | name_end = get_symbol_end (); |
529 | symbol_name_length = strlen (symbol_name); | |
530 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
531 | strcpy (symbol_name_copy, symbol_name); | |
532 | #ifdef tc_canonicalize_symbol_name | |
533 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
534 | #endif | |
535 | ||
a5324a3e | 536 | /* Initialize the new symbol. */ |
252b5132 | 537 | def_symbol_in_progress = symbol_make (symbol_name_copy); |
49309057 | 538 | symbol_set_frag (def_symbol_in_progress, &zero_address_frag); |
252b5132 RH |
539 | S_SET_VALUE (def_symbol_in_progress, 0); |
540 | ||
541 | if (S_IS_STRING (def_symbol_in_progress)) | |
542 | SF_SET_STRING (def_symbol_in_progress); | |
543 | ||
544 | *input_line_pointer = name_end; | |
545 | ||
546 | demand_empty_rest_of_line (); | |
547 | } | |
548 | ||
549 | unsigned int dim_index; | |
550 | ||
551 | static void | |
a5324a3e | 552 | obj_coff_endef (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 553 | { |
c9900432 | 554 | symbolS *symbolP = NULL; |
252b5132 | 555 | |
252b5132 RH |
556 | dim_index = 0; |
557 | if (def_symbol_in_progress == NULL) | |
558 | { | |
559 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
560 | demand_empty_rest_of_line (); | |
561 | return; | |
a5324a3e | 562 | } |
252b5132 | 563 | |
dcd619be | 564 | /* Set the section number according to storage class. */ |
252b5132 RH |
565 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
566 | { | |
567 | case C_STRTAG: | |
568 | case C_ENTAG: | |
569 | case C_UNTAG: | |
570 | SF_SET_TAG (def_symbol_in_progress); | |
a5324a3e | 571 | /* Fall through. */ |
252b5132 RH |
572 | case C_FILE: |
573 | case C_TPDEF: | |
574 | SF_SET_DEBUG (def_symbol_in_progress); | |
575 | S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ()); | |
576 | break; | |
577 | ||
578 | case C_EFCN: | |
dcd619be | 579 | SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */ |
a5324a3e | 580 | /* Fall through. */ |
252b5132 | 581 | case C_BLOCK: |
a5324a3e NC |
582 | SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing. */ |
583 | /* Fall through. */ | |
252b5132 RH |
584 | case C_FCN: |
585 | { | |
5a38dc70 | 586 | const char *name; |
a5324a3e | 587 | |
252b5132 RH |
588 | S_SET_SEGMENT (def_symbol_in_progress, text_section); |
589 | ||
49309057 | 590 | name = S_GET_NAME (def_symbol_in_progress); |
23dab925 | 591 | if (name[0] == '.' && name[2] == 'f' && name[3] == '\0') |
cc8a6dd0 | 592 | { |
23dab925 ILT |
593 | switch (name[1]) |
594 | { | |
dcd619be | 595 | case 'b': |
23dab925 ILT |
596 | /* .bf */ |
597 | if (! in_function ()) | |
598 | as_warn (_("`%s' symbol without preceding function"), name); | |
599 | /* Will need relocating. */ | |
600 | SF_SET_PROCESS (def_symbol_in_progress); | |
601 | clear_function (); | |
602 | break; | |
603 | #ifdef TE_PE | |
dcd619be | 604 | case 'e': |
23dab925 ILT |
605 | /* .ef */ |
606 | /* The MS compilers output the actual endline, not the | |
607 | function-relative one... we want to match without | |
608 | changing the assembler input. */ | |
dcd619be | 609 | SA_SET_SYM_LNNO (def_symbol_in_progress, |
23dab925 ILT |
610 | (SA_GET_SYM_LNNO (def_symbol_in_progress) |
611 | + coff_line_base)); | |
612 | break; | |
613 | #endif | |
614 | } | |
252b5132 RH |
615 | } |
616 | } | |
617 | break; | |
618 | ||
619 | #ifdef C_AUTOARG | |
620 | case C_AUTOARG: | |
621 | #endif /* C_AUTOARG */ | |
622 | case C_AUTO: | |
623 | case C_REG: | |
624 | case C_ARG: | |
625 | case C_REGPARM: | |
626 | case C_FIELD: | |
56385375 L |
627 | |
628 | /* According to the COFF documentation: | |
629 | ||
630 | http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html | |
631 | ||
632 | A special section number (-2) marks symbolic debugging symbols, | |
633 | including structure/union/enumeration tag names, typedefs, and | |
dcd619be | 634 | the name of the file. A section number of -1 indicates that the |
56385375 | 635 | symbol has a value but is not relocatable. Examples of |
dcd619be KH |
636 | absolute-valued symbols include automatic and register variables, |
637 | function arguments, and .eos symbols. | |
56385375 L |
638 | |
639 | But from Ian Lance Taylor: | |
640 | ||
641 | http://sources.redhat.com/ml/binutils/2000-08/msg00202.html | |
642 | ||
643 | the actual tools all marked them as section -1. So the GNU COFF | |
644 | assembler follows historical COFF assemblers. | |
645 | ||
646 | However, it causes problems for djgpp | |
647 | ||
648 | http://sources.redhat.com/ml/binutils/2000-08/msg00210.html | |
649 | ||
650 | By defining STRICTCOFF, a COFF port can make the assembler to | |
dcd619be | 651 | follow the documented behavior. */ |
56385375 | 652 | #ifdef STRICTCOFF |
252b5132 RH |
653 | case C_MOS: |
654 | case C_MOE: | |
655 | case C_MOU: | |
656 | case C_EOS: | |
56385375 | 657 | #endif |
d1d8ba22 | 658 | SF_SET_DEBUG (def_symbol_in_progress); |
252b5132 RH |
659 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); |
660 | break; | |
661 | ||
56385375 L |
662 | #ifndef STRICTCOFF |
663 | case C_MOS: | |
664 | case C_MOE: | |
665 | case C_MOU: | |
666 | case C_EOS: | |
667 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
668 | break; | |
669 | #endif | |
670 | ||
252b5132 RH |
671 | case C_EXT: |
672 | case C_WEAKEXT: | |
673 | #ifdef TE_PE | |
674 | case C_NT_WEAK: | |
675 | #endif | |
676 | case C_STAT: | |
677 | case C_LABEL: | |
a5324a3e | 678 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
679 | break; |
680 | ||
681 | default: | |
682 | case C_USTATIC: | |
683 | case C_EXTDEF: | |
684 | case C_ULABEL: | |
685 | as_warn (_("unexpected storage class %d"), | |
686 | S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
687 | break; | |
a5324a3e | 688 | } |
252b5132 RH |
689 | |
690 | /* Now that we have built a debug symbol, try to find if we should | |
691 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
9690c54d ILT |
692 | absolute_section or untagged SEG_DEBUG it never merges. We also |
693 | don't merge labels, which are in a different namespace, nor | |
694 | symbols which have not yet been defined since they are typically | |
695 | unique, nor do we merge tags with non-tags. */ | |
252b5132 RH |
696 | |
697 | /* Two cases for functions. Either debug followed by definition or | |
698 | definition followed by debug. For definition first, we will | |
699 | merge the debug symbol into the definition. For debug first, the | |
700 | lineno entry MUST point to the definition function or else it | |
701 | will point off into space when obj_crawl_symbol_chain() merges | |
702 | the debug symbol into the real symbol. Therefor, let's presume | |
dcd619be | 703 | the debug symbol is a real function reference. */ |
252b5132 RH |
704 | |
705 | /* FIXME-SOON If for some reason the definition label/symbol is | |
706 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 707 | time. */ |
252b5132 RH |
708 | |
709 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
9690c54d | 710 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL |
a5324a3e NC |
711 | || (streq (bfd_get_section_name (stdoutput, |
712 | S_GET_SEGMENT (def_symbol_in_progress)), | |
713 | "*DEBUG*") | |
252b5132 RH |
714 | && !SF_GET_TAG (def_symbol_in_progress)) |
715 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
9690c54d | 716 | || ! symbol_constant_p (def_symbol_in_progress) |
91c4c449 | 717 | || (symbolP = symbol_find (S_GET_NAME (def_symbol_in_progress))) == NULL |
9690c54d | 718 | || SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)) |
252b5132 | 719 | { |
9690c54d | 720 | /* If it already is at the end of the symbol list, do nothing */ |
252b5132 | 721 | if (def_symbol_in_progress != symbol_lastP) |
cc8a6dd0 | 722 | { |
9690c54d ILT |
723 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); |
724 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
725 | &symbol_lastP); | |
cc8a6dd0 | 726 | } |
252b5132 RH |
727 | } |
728 | else | |
729 | { | |
730 | /* This symbol already exists, merge the newly created symbol | |
731 | into the old one. This is not mandatory. The linker can | |
732 | handle duplicate symbols correctly. But I guess that it save | |
733 | a *lot* of space if the assembly file defines a lot of | |
a5324a3e | 734 | symbols. [loic] */ |
252b5132 RH |
735 | |
736 | /* The debug entry (def_symbol_in_progress) is merged into the | |
dcd619be | 737 | previous definition. */ |
252b5132 RH |
738 | |
739 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
740 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
741 | ||
742 | def_symbol_in_progress = symbolP; | |
743 | ||
744 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
745 | || SF_GET_TAG (def_symbol_in_progress) | |
746 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
747 | { | |
748 | /* For functions, and tags, and static symbols, the symbol | |
749 | *must* be where the debug symbol appears. Move the | |
dcd619be | 750 | existing symbol to the current place. */ |
a5324a3e | 751 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
752 | if (def_symbol_in_progress != symbol_lastP) |
753 | { | |
754 | symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP); | |
755 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
756 | } | |
757 | } | |
758 | } | |
759 | ||
760 | if (SF_GET_TAG (def_symbol_in_progress)) | |
761 | { | |
762 | symbolS *oldtag; | |
763 | ||
91c4c449 | 764 | oldtag = symbol_find (S_GET_NAME (def_symbol_in_progress)); |
252b5132 RH |
765 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) |
766 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
767 | def_symbol_in_progress); | |
768 | } | |
769 | ||
770 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
771 | { | |
772 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
773 | set_function (def_symbol_in_progress); | |
774 | SF_SET_PROCESS (def_symbol_in_progress); | |
775 | ||
776 | if (symbolP == NULL) | |
a5324a3e NC |
777 | /* That is, if this is the first time we've seen the |
778 | function. */ | |
779 | symbol_table_insert (def_symbol_in_progress); | |
780 | ||
781 | } | |
252b5132 RH |
782 | |
783 | def_symbol_in_progress = NULL; | |
784 | demand_empty_rest_of_line (); | |
785 | } | |
786 | ||
787 | static void | |
a5324a3e | 788 | obj_coff_dim (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
789 | { |
790 | int dim_index; | |
791 | ||
792 | if (def_symbol_in_progress == NULL) | |
793 | { | |
794 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
795 | demand_empty_rest_of_line (); | |
796 | return; | |
a5324a3e | 797 | } |
252b5132 RH |
798 | |
799 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
800 | ||
801 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
802 | { | |
803 | SKIP_WHITESPACES (); | |
804 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
805 | get_absolute_expression ()); | |
806 | ||
807 | switch (*input_line_pointer) | |
808 | { | |
809 | case ',': | |
810 | input_line_pointer++; | |
811 | break; | |
812 | ||
813 | default: | |
814 | as_warn (_("badly formed .dim directive ignored")); | |
a5324a3e | 815 | /* Fall through. */ |
252b5132 RH |
816 | case '\n': |
817 | case ';': | |
818 | dim_index = DIMNUM; | |
819 | break; | |
820 | } | |
821 | } | |
822 | ||
823 | demand_empty_rest_of_line (); | |
824 | } | |
825 | ||
826 | static void | |
a5324a3e | 827 | obj_coff_line (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
828 | { |
829 | int this_base; | |
830 | ||
831 | if (def_symbol_in_progress == NULL) | |
832 | { | |
833 | /* Probably stabs-style line? */ | |
834 | obj_coff_ln (0); | |
835 | return; | |
836 | } | |
837 | ||
838 | this_base = get_absolute_expression (); | |
a5324a3e | 839 | if (streq (".bf", S_GET_NAME (def_symbol_in_progress))) |
252b5132 RH |
840 | coff_line_base = this_base; |
841 | ||
842 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
23dab925 | 843 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); |
252b5132 RH |
844 | |
845 | demand_empty_rest_of_line (); | |
846 | ||
847 | #ifndef NO_LISTING | |
a5324a3e | 848 | if (streq (".bf", S_GET_NAME (def_symbol_in_progress))) |
252b5132 RH |
849 | { |
850 | extern int listing; | |
851 | ||
852 | if (listing) | |
23dab925 | 853 | listing_source_line ((unsigned int) this_base); |
252b5132 RH |
854 | } |
855 | #endif | |
856 | } | |
857 | ||
858 | static void | |
a5324a3e | 859 | obj_coff_size (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
860 | { |
861 | if (def_symbol_in_progress == NULL) | |
862 | { | |
863 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
864 | demand_empty_rest_of_line (); | |
865 | return; | |
a5324a3e | 866 | } |
252b5132 RH |
867 | |
868 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
869 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
870 | demand_empty_rest_of_line (); | |
871 | } | |
872 | ||
873 | static void | |
a5324a3e | 874 | obj_coff_scl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
875 | { |
876 | if (def_symbol_in_progress == NULL) | |
877 | { | |
878 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
879 | demand_empty_rest_of_line (); | |
880 | return; | |
a5324a3e | 881 | } |
252b5132 RH |
882 | |
883 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
884 | demand_empty_rest_of_line (); | |
885 | } | |
886 | ||
887 | static void | |
a5324a3e | 888 | obj_coff_tag (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
889 | { |
890 | char *symbol_name; | |
891 | char name_end; | |
892 | ||
893 | if (def_symbol_in_progress == NULL) | |
894 | { | |
895 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
896 | demand_empty_rest_of_line (); | |
897 | return; | |
898 | } | |
899 | ||
900 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
901 | symbol_name = input_line_pointer; | |
902 | name_end = get_symbol_end (); | |
903 | ||
904 | #ifdef tc_canonicalize_symbol_name | |
905 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
906 | #endif | |
907 | ||
908 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 909 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
910 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
911 | tag_find_or_make (symbol_name)); | |
912 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
a5324a3e | 913 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
914 | |
915 | SF_SET_TAGGED (def_symbol_in_progress); | |
916 | *input_line_pointer = name_end; | |
917 | ||
918 | demand_empty_rest_of_line (); | |
919 | } | |
920 | ||
921 | static void | |
a5324a3e | 922 | obj_coff_type (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
923 | { |
924 | if (def_symbol_in_progress == NULL) | |
925 | { | |
926 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
927 | demand_empty_rest_of_line (); | |
928 | return; | |
a5324a3e | 929 | } |
252b5132 RH |
930 | |
931 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
932 | ||
933 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
934 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
a5324a3e | 935 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
936 | |
937 | demand_empty_rest_of_line (); | |
938 | } | |
939 | ||
940 | static void | |
a5324a3e | 941 | obj_coff_val (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
942 | { |
943 | if (def_symbol_in_progress == NULL) | |
944 | { | |
945 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
946 | demand_empty_rest_of_line (); | |
947 | return; | |
a5324a3e | 948 | } |
252b5132 RH |
949 | |
950 | if (is_name_beginner (*input_line_pointer)) | |
951 | { | |
952 | char *symbol_name = input_line_pointer; | |
953 | char name_end = get_symbol_end (); | |
954 | ||
955 | #ifdef tc_canonicalize_symbol_name | |
956 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
957 | #endif | |
a5324a3e | 958 | if (streq (symbol_name, ".")) |
252b5132 | 959 | { |
a5324a3e | 960 | /* If the .val is != from the .def (e.g. statics). */ |
49309057 | 961 | symbol_set_frag (def_symbol_in_progress, frag_now); |
252b5132 | 962 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); |
252b5132 | 963 | } |
a5324a3e | 964 | else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name)) |
252b5132 | 965 | { |
49309057 ILT |
966 | expressionS exp; |
967 | ||
968 | exp.X_op = O_symbol; | |
969 | exp.X_add_symbol = symbol_find_or_make (symbol_name); | |
970 | exp.X_op_symbol = NULL; | |
971 | exp.X_add_number = 0; | |
972 | symbol_set_value_expression (def_symbol_in_progress, &exp); | |
252b5132 RH |
973 | |
974 | /* If the segment is undefined when the forward reference is | |
975 | resolved, then copy the segment id from the forward | |
976 | symbol. */ | |
977 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
0561a208 ILT |
978 | |
979 | /* FIXME: gcc can generate address expressions here in | |
980 | unusual cases (search for "obscure" in sdbout.c). We | |
981 | just ignore the offset here, thus generating incorrect | |
982 | debugging information. We ignore the rest of the line | |
983 | just below. */ | |
252b5132 | 984 | } |
0561a208 | 985 | /* Otherwise, it is the name of a non debug symbol and its value |
dcd619be | 986 | will be calculated later. */ |
252b5132 RH |
987 | *input_line_pointer = name_end; |
988 | } | |
989 | else | |
990 | { | |
991 | S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ()); | |
a5324a3e | 992 | } |
252b5132 RH |
993 | |
994 | demand_empty_rest_of_line (); | |
995 | } | |
996 | ||
977cdf5a NC |
997 | #ifdef TE_PE |
998 | ||
999 | /* Return nonzero if name begins with weak alternate symbol prefix. */ | |
1000 | ||
1001 | static int | |
1002 | weak_is_altname (const char * name) | |
1003 | { | |
a5324a3e | 1004 | return strneq (name, weak_altprefix, sizeof (weak_altprefix) - 1); |
977cdf5a NC |
1005 | } |
1006 | ||
1007 | /* Return the name of the alternate symbol | |
1008 | name corresponding to a weak symbol's name. */ | |
1009 | ||
1010 | static const char * | |
1011 | weak_name2altname (const char * name) | |
1012 | { | |
1013 | char *alt_name; | |
1014 | ||
1015 | alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name)); | |
1016 | strcpy (alt_name, weak_altprefix); | |
1017 | return strcat (alt_name, name); | |
1018 | } | |
1019 | ||
a5324a3e | 1020 | /* Return the name of the weak symbol corresponding to an |
977cdf5a NC |
1021 | alterate symbol. */ |
1022 | ||
1023 | static const char * | |
1024 | weak_altname2name (const char * name) | |
1025 | { | |
1026 | char * weak_name; | |
1027 | char * dot; | |
1028 | ||
1029 | assert (weak_is_altname (name)); | |
1030 | ||
1031 | weak_name = xstrdup (name + 6); | |
1032 | if ((dot = strchr (weak_name, '.'))) | |
1033 | *dot = 0; | |
1034 | return weak_name; | |
1035 | } | |
1036 | ||
1037 | /* Make a weak symbol name unique by | |
1038 | appending the name of an external symbol. */ | |
1039 | ||
1040 | static const char * | |
1041 | weak_uniquify (const char * name) | |
1042 | { | |
1043 | char *ret; | |
1044 | const char * unique = ""; | |
1045 | ||
1046 | #ifdef USE_UNIQUE | |
1047 | if (an_external_name != NULL) | |
1048 | unique = an_external_name; | |
1049 | #endif | |
1050 | assert (weak_is_altname (name)); | |
1051 | ||
1052 | if (strchr (name + sizeof (weak_altprefix), '.')) | |
1053 | return name; | |
1054 | ||
1055 | ret = xmalloc (strlen (name) + strlen (unique) + 2); | |
1056 | strcpy (ret, name); | |
1057 | strcat (ret, "."); | |
1058 | strcat (ret, unique); | |
1059 | return ret; | |
1060 | } | |
1061 | ||
1062 | #endif /* TE_PE */ | |
1063 | ||
c87db184 | 1064 | /* Handle .weak. This is a GNU extension in formats other than PE. */ |
977cdf5a | 1065 | |
c87db184 | 1066 | static void |
977cdf5a | 1067 | obj_coff_weak (int ignore ATTRIBUTE_UNUSED) |
c87db184 CF |
1068 | { |
1069 | char *name; | |
1070 | int c; | |
1071 | symbolS *symbolP; | |
977cdf5a NC |
1072 | #ifdef TE_PE |
1073 | symbolS *alternateP; | |
1074 | #endif | |
c87db184 CF |
1075 | |
1076 | do | |
1077 | { | |
1078 | name = input_line_pointer; | |
1079 | c = get_symbol_end (); | |
1080 | if (*name == 0) | |
1081 | { | |
1082 | as_warn (_("badly formed .weak directive ignored")); | |
1083 | ignore_rest_of_line (); | |
1084 | return; | |
1085 | } | |
977cdf5a | 1086 | c = 0; |
c87db184 CF |
1087 | symbolP = symbol_find_or_make (name); |
1088 | *input_line_pointer = c; | |
1089 | SKIP_WHITESPACE (); | |
1090 | ||
1091 | #if defined BFD_ASSEMBLER || defined S_SET_WEAK | |
1092 | S_SET_WEAK (symbolP); | |
1093 | #endif | |
1094 | ||
1095 | #ifdef TE_PE | |
1096 | /* See _Microsoft Portable Executable and Common Object | |
977cdf5a NC |
1097 | File Format Specification_, section 5.5.3. |
1098 | Create a symbol representing the alternate value. | |
1099 | coff_frob_symbol will set the value of this symbol from | |
1100 | the value of the weak symbol itself. */ | |
c87db184 | 1101 | S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK); |
977cdf5a NC |
1102 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
1103 | SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_LIBRARY); | |
c87db184 | 1104 | |
977cdf5a NC |
1105 | alternateP = symbol_find_or_make (weak_name2altname (name)); |
1106 | S_SET_EXTERNAL (alternateP); | |
1107 | S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK); | |
c87db184 | 1108 | |
977cdf5a NC |
1109 | SA_SET_SYM_TAGNDX (symbolP, alternateP); |
1110 | #endif | |
c87db184 CF |
1111 | |
1112 | if (c == ',') | |
1113 | { | |
1114 | input_line_pointer++; | |
1115 | SKIP_WHITESPACE (); | |
1116 | if (*input_line_pointer == '\n') | |
1117 | c = '\n'; | |
1118 | } | |
1119 | ||
1120 | } | |
1121 | while (c == ','); | |
1122 | ||
1123 | demand_empty_rest_of_line (); | |
1124 | } | |
1125 | ||
252b5132 | 1126 | void |
a5324a3e | 1127 | coff_obj_read_begin_hook (void) |
252b5132 | 1128 | { |
dcd619be | 1129 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
1130 | #ifndef BFD_HEADERS |
1131 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
1132 | know (SYMESZ == AUXESZ); | |
1133 | #endif | |
1134 | tag_init (); | |
1135 | } | |
1136 | ||
252b5132 | 1137 | symbolS *coff_last_function; |
17fc154e | 1138 | #ifndef OBJ_XCOFF |
252b5132 | 1139 | static symbolS *coff_last_bf; |
17fc154e | 1140 | #endif |
252b5132 RH |
1141 | |
1142 | void | |
a5324a3e | 1143 | coff_frob_symbol (symbolS *symp, int *punt) |
252b5132 RH |
1144 | { |
1145 | static symbolS *last_tagP; | |
1146 | static stack *block_stack; | |
1147 | static symbolS *set_end; | |
1148 | symbolS *next_set_end = NULL; | |
1149 | ||
1150 | if (symp == &abs_symbol) | |
1151 | { | |
1152 | *punt = 1; | |
1153 | return; | |
1154 | } | |
1155 | ||
1156 | if (current_lineno_sym) | |
a5324a3e | 1157 | coff_add_linesym (NULL); |
252b5132 RH |
1158 | |
1159 | if (!block_stack) | |
1160 | block_stack = stack_init (512, sizeof (symbolS*)); | |
1161 | ||
252b5132 | 1162 | #ifdef TE_PE |
977cdf5a NC |
1163 | if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK |
1164 | && ! S_IS_WEAK (symp) | |
1165 | && weak_is_altname (S_GET_NAME (symp))) | |
1166 | { | |
1167 | /* This is a weak alternate symbol. All processing of | |
1168 | PECOFFweak symbols is done here, through the alternate. */ | |
1169 | symbolS *weakp = symbol_find (weak_altname2name (S_GET_NAME (symp))); | |
1170 | ||
1171 | assert (weakp); | |
1172 | assert (S_GET_NUMBER_AUXILIARY (weakp) == 1); | |
1173 | ||
1174 | if (symbol_equated_p (weakp)) | |
1175 | { | |
1176 | /* The weak symbol has an alternate specified; symp is unneeded. */ | |
1177 | S_SET_STORAGE_CLASS (weakp, C_NT_WEAK); | |
1178 | SA_SET_SYM_TAGNDX (weakp, | |
1179 | symbol_get_value_expression (weakp)->X_add_symbol); | |
1180 | ||
1181 | S_CLEAR_EXTERNAL (symp); | |
1182 | *punt = 1; | |
1183 | return; | |
1184 | } | |
1185 | else | |
1186 | { | |
1187 | /* The weak symbol has been assigned an alternate value. | |
1188 | Copy this value to symp, and set symp as weakp's alternate. */ | |
1189 | if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK) | |
1190 | { | |
1191 | S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp)); | |
1192 | S_SET_STORAGE_CLASS (weakp, C_NT_WEAK); | |
1193 | } | |
1194 | ||
1195 | if (S_IS_DEFINED (weakp)) | |
1196 | { | |
1197 | /* This is a defined weak symbol. Copy value information | |
1198 | from the weak symbol itself to the alternate symbol. */ | |
1199 | symbol_set_value_expression (symp, | |
1200 | symbol_get_value_expression (weakp)); | |
1201 | symbol_set_frag (symp, symbol_get_frag (weakp)); | |
1202 | S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp)); | |
1203 | } | |
1204 | else | |
1205 | { | |
1206 | /* This is an undefined weak symbol. | |
1207 | Define the alternate symbol to zero. */ | |
1208 | S_SET_VALUE (symp, 0); | |
1209 | S_SET_SEGMENT (symp, absolute_section); | |
1210 | } | |
1211 | ||
1212 | S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp))); | |
1213 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1214 | ||
1215 | S_SET_VALUE (weakp, 0); | |
1216 | S_SET_SEGMENT (weakp, undefined_section); | |
1217 | } | |
252b5132 | 1218 | } |
977cdf5a NC |
1219 | #else /* TE_PE */ |
1220 | if (S_IS_WEAK (symp)) | |
1221 | S_SET_STORAGE_CLASS (symp, C_WEAKEXT); | |
1222 | #endif /* TE_PE */ | |
252b5132 RH |
1223 | |
1224 | if (!S_IS_DEFINED (symp) | |
1225 | && !S_IS_WEAK (symp) | |
1226 | && S_GET_STORAGE_CLASS (symp) != C_STAT) | |
1227 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1228 | ||
1229 | if (!SF_GET_DEBUG (symp)) | |
1230 | { | |
bdbe95c8 NC |
1231 | symbolS * real; |
1232 | ||
252b5132 RH |
1233 | if (!SF_GET_LOCAL (symp) |
1234 | && !SF_GET_STATICS (symp) | |
39da8128 | 1235 | && S_GET_STORAGE_CLASS (symp) != C_LABEL |
a5324a3e | 1236 | && symbol_constant_p (symp) |
91c4c449 | 1237 | && (real = symbol_find (S_GET_NAME (symp))) |
bdbe95c8 | 1238 | && S_GET_STORAGE_CLASS (real) == C_NULL |
252b5132 RH |
1239 | && real != symp) |
1240 | { | |
1241 | c_symbol_merge (symp, real); | |
1242 | *punt = 1; | |
39da8128 | 1243 | return; |
252b5132 | 1244 | } |
bdbe95c8 | 1245 | |
5e0d736c | 1246 | if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp)) |
252b5132 | 1247 | { |
5e0d736c DD |
1248 | assert (S_GET_VALUE (symp) == 0); |
1249 | S_SET_EXTERNAL (symp); | |
1250 | } | |
1251 | else if (S_GET_STORAGE_CLASS (symp) == C_NULL) | |
1252 | { | |
1253 | if (S_GET_SEGMENT (symp) == text_section | |
1254 | && symp != seg_info (text_section)->sym) | |
1255 | S_SET_STORAGE_CLASS (symp, C_LABEL); | |
252b5132 | 1256 | else |
5e0d736c | 1257 | S_SET_STORAGE_CLASS (symp, C_STAT); |
252b5132 | 1258 | } |
bdbe95c8 | 1259 | |
252b5132 RH |
1260 | if (SF_GET_PROCESS (symp)) |
1261 | { | |
1262 | if (S_GET_STORAGE_CLASS (symp) == C_BLOCK) | |
1263 | { | |
a5324a3e | 1264 | if (streq (S_GET_NAME (symp), ".bb")) |
252b5132 RH |
1265 | stack_push (block_stack, (char *) &symp); |
1266 | else | |
1267 | { | |
1268 | symbolS *begin; | |
bdbe95c8 | 1269 | |
252b5132 RH |
1270 | begin = *(symbolS **) stack_pop (block_stack); |
1271 | if (begin == 0) | |
1272 | as_warn (_("mismatched .eb")); | |
1273 | else | |
1274 | next_set_end = begin; | |
1275 | } | |
1276 | } | |
bdbe95c8 | 1277 | |
252b5132 RH |
1278 | if (coff_last_function == 0 && SF_GET_FUNCTION (symp)) |
1279 | { | |
1280 | union internal_auxent *auxp; | |
bdbe95c8 | 1281 | |
252b5132 RH |
1282 | coff_last_function = symp; |
1283 | if (S_GET_NUMBER_AUXILIARY (symp) < 1) | |
1284 | S_SET_NUMBER_AUXILIARY (symp, 1); | |
0561a208 | 1285 | auxp = SYM_AUXENT (symp); |
252b5132 RH |
1286 | memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0, |
1287 | sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen)); | |
1288 | } | |
bdbe95c8 | 1289 | |
252b5132 RH |
1290 | if (S_GET_STORAGE_CLASS (symp) == C_EFCN) |
1291 | { | |
1292 | if (coff_last_function == 0) | |
161840f9 ILT |
1293 | as_fatal (_("C_EFCN symbol for %s out of scope"), |
1294 | S_GET_NAME (symp)); | |
252b5132 RH |
1295 | SA_SET_SYM_FSIZE (coff_last_function, |
1296 | (long) (S_GET_VALUE (symp) | |
1297 | - S_GET_VALUE (coff_last_function))); | |
1298 | next_set_end = coff_last_function; | |
1299 | coff_last_function = 0; | |
1300 | } | |
1301 | } | |
bdbe95c8 | 1302 | |
252b5132 RH |
1303 | if (S_IS_EXTERNAL (symp)) |
1304 | S_SET_STORAGE_CLASS (symp, C_EXT); | |
1305 | else if (SF_GET_LOCAL (symp)) | |
1306 | *punt = 1; | |
1307 | ||
1308 | if (SF_GET_FUNCTION (symp)) | |
49309057 | 1309 | symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION; |
252b5132 RH |
1310 | } |
1311 | ||
8828d862 ILT |
1312 | /* Double check weak symbols. */ |
1313 | if (S_IS_WEAK (symp) && S_IS_COMMON (symp)) | |
1314 | as_bad (_("Symbol `%s' can not be both weak and common"), | |
1315 | S_GET_NAME (symp)); | |
1316 | ||
252b5132 RH |
1317 | if (SF_GET_TAG (symp)) |
1318 | last_tagP = symp; | |
1319 | else if (S_GET_STORAGE_CLASS (symp) == C_EOS) | |
1320 | next_set_end = last_tagP; | |
1321 | ||
1322 | #ifdef OBJ_XCOFF | |
1323 | /* This is pretty horrible, but we have to set *punt correctly in | |
1324 | order to call SA_SET_SYM_ENDNDX correctly. */ | |
809ffe0d | 1325 | if (! symbol_used_in_reloc_p (symp) |
49309057 | 1326 | && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0 |
670ec21d | 1327 | || (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp)) |
809ffe0d | 1328 | && ! symbol_get_tc (symp)->output |
252b5132 RH |
1329 | && S_GET_STORAGE_CLASS (symp) != C_FILE))) |
1330 | *punt = 1; | |
1331 | #endif | |
1332 | ||
1333 | if (set_end != (symbolS *) NULL | |
1334 | && ! *punt | |
49309057 | 1335 | && ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0 |
252b5132 RH |
1336 | || (S_IS_DEFINED (symp) |
1337 | && ! S_IS_COMMON (symp) | |
1338 | && (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp))))) | |
1339 | { | |
1340 | SA_SET_SYM_ENDNDX (set_end, symp); | |
1341 | set_end = NULL; | |
1342 | } | |
1343 | ||
a04b544b ILT |
1344 | if (next_set_end != NULL) |
1345 | { | |
1346 | if (set_end != NULL) | |
1347 | as_warn ("Warning: internal error: forgetting to set endndx of %s", | |
1348 | S_GET_NAME (set_end)); | |
1349 | set_end = next_set_end; | |
1350 | } | |
252b5132 | 1351 | |
8642cce8 | 1352 | #ifndef OBJ_XCOFF |
252b5132 RH |
1353 | if (! *punt |
1354 | && S_GET_STORAGE_CLASS (symp) == C_FCN | |
a5324a3e | 1355 | && streq (S_GET_NAME (symp), ".bf")) |
252b5132 RH |
1356 | { |
1357 | if (coff_last_bf != NULL) | |
1358 | SA_SET_SYM_ENDNDX (coff_last_bf, symp); | |
1359 | coff_last_bf = symp; | |
1360 | } | |
8642cce8 | 1361 | #endif |
49309057 | 1362 | if (coffsymbol (symbol_get_bfdsym (symp))->lineno) |
252b5132 RH |
1363 | { |
1364 | int i; | |
1365 | struct line_no *lptr; | |
1366 | alent *l; | |
1367 | ||
49309057 | 1368 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1369 | for (i = 0; lptr; lptr = lptr->next) |
1370 | i++; | |
49309057 | 1371 | lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno; |
252b5132 RH |
1372 | |
1373 | /* We need i entries for line numbers, plus 1 for the first | |
1374 | entry which BFD will override, plus 1 for the last zero | |
1375 | entry (a marker for BFD). */ | |
a5324a3e | 1376 | l = xmalloc ((i + 2) * sizeof (* l)); |
49309057 | 1377 | coffsymbol (symbol_get_bfdsym (symp))->lineno = l; |
252b5132 RH |
1378 | l[i + 1].line_number = 0; |
1379 | l[i + 1].u.sym = NULL; | |
1380 | for (; i > 0; i--) | |
1381 | { | |
1382 | if (lptr->frag) | |
bea9907b | 1383 | lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE; |
252b5132 RH |
1384 | l[i] = lptr->l; |
1385 | lptr = lptr->next; | |
1386 | } | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | void | |
a5324a3e NC |
1391 | coff_adjust_section_syms (bfd *abfd ATTRIBUTE_UNUSED, |
1392 | asection *sec, | |
1393 | void * x ATTRIBUTE_UNUSED) | |
252b5132 RH |
1394 | { |
1395 | symbolS *secsym; | |
1396 | segment_info_type *seginfo = seg_info (sec); | |
1397 | int nlnno, nrelocs = 0; | |
1398 | ||
1399 | /* RS/6000 gas creates a .debug section manually in ppc_frob_file in | |
1400 | tc-ppc.c. Do not get confused by it. */ | |
1401 | if (seginfo == NULL) | |
1402 | return; | |
1403 | ||
a5324a3e | 1404 | if (streq (sec->name, ".text")) |
252b5132 RH |
1405 | nlnno = coff_n_line_nos; |
1406 | else | |
1407 | nlnno = 0; | |
1408 | { | |
1409 | /* @@ Hope that none of the fixups expand to more than one reloc | |
1410 | entry... */ | |
1411 | fixS *fixp = seginfo->fix_root; | |
1412 | while (fixp) | |
1413 | { | |
1414 | if (! fixp->fx_done) | |
1415 | nrelocs++; | |
1416 | fixp = fixp->fx_next; | |
1417 | } | |
1418 | } | |
587aac4e | 1419 | if (bfd_get_section_size (sec) == 0 |
252b5132 RH |
1420 | && nrelocs == 0 |
1421 | && nlnno == 0 | |
1422 | && sec != text_section | |
1423 | && sec != data_section | |
1424 | && sec != bss_section) | |
1425 | return; | |
a5324a3e | 1426 | |
252b5132 | 1427 | secsym = section_symbol (sec); |
945a1a6b ILT |
1428 | /* This is an estimate; we'll plug in the real value using |
1429 | SET_SECTION_RELOCS later */ | |
252b5132 RH |
1430 | SA_SET_SCN_NRELOC (secsym, nrelocs); |
1431 | SA_SET_SCN_NLINNO (secsym, nlnno); | |
1432 | } | |
1433 | ||
1434 | void | |
a5324a3e | 1435 | coff_frob_file_after_relocs (void) |
252b5132 | 1436 | { |
a5324a3e | 1437 | bfd_map_over_sections (stdoutput, coff_adjust_section_syms, NULL); |
252b5132 RH |
1438 | } |
1439 | ||
6ff96af6 NC |
1440 | /* Implement the .section pseudo op: |
1441 | .section name {, "flags"} | |
1442 | ^ ^ | |
1443 | | +--- optional flags: 'b' for bss | |
1444 | | 'i' for info | |
1445 | +-- section name 'l' for lib | |
1446 | 'n' for noload | |
1447 | 'o' for over | |
1448 | 'w' for data | |
1449 | 'd' (apparently m88k for data) | |
1450 | 'x' for text | |
1451 | 'r' for read-only data | |
1452 | 's' for shared data (PE) | |
1453 | But if the argument is not a quoted string, treat it as a | |
1454 | subsegment number. | |
1455 | ||
1456 | Note the 'a' flag is silently ignored. This allows the same | |
1457 | .section directive to be parsed in both ELF and COFF formats. */ | |
252b5132 RH |
1458 | |
1459 | void | |
a5324a3e | 1460 | obj_coff_section (int ignore ATTRIBUTE_UNUSED) |
252b5132 | 1461 | { |
a5324a3e | 1462 | /* Strip out the section name. */ |
252b5132 RH |
1463 | char *section_name; |
1464 | char c; | |
1465 | char *name; | |
1466 | unsigned int exp; | |
c9900432 | 1467 | flagword flags, oldflags; |
252b5132 RH |
1468 | asection *sec; |
1469 | ||
1470 | if (flag_mri) | |
1471 | { | |
1472 | char type; | |
1473 | ||
1474 | s_mri_sect (&type); | |
1475 | return; | |
1476 | } | |
1477 | ||
1478 | section_name = input_line_pointer; | |
1479 | c = get_symbol_end (); | |
1480 | ||
1481 | name = xmalloc (input_line_pointer - section_name + 1); | |
1482 | strcpy (name, section_name); | |
1483 | ||
1484 | *input_line_pointer = c; | |
1485 | ||
1486 | SKIP_WHITESPACE (); | |
1487 | ||
1488 | exp = 0; | |
c9900432 | 1489 | flags = SEC_NO_FLAGS; |
252b5132 RH |
1490 | |
1491 | if (*input_line_pointer == ',') | |
1492 | { | |
1493 | ++input_line_pointer; | |
1494 | SKIP_WHITESPACE (); | |
1495 | if (*input_line_pointer != '"') | |
1496 | exp = get_absolute_expression (); | |
1497 | else | |
1498 | { | |
1499 | ++input_line_pointer; | |
1500 | while (*input_line_pointer != '"' | |
1501 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
1502 | { | |
1503 | switch (*input_line_pointer) | |
1504 | { | |
1505 | case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break; | |
1af96959 | 1506 | case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break; |
e96c5464 | 1507 | |
a5324a3e NC |
1508 | case 's': flags |= SEC_COFF_SHARED; /* Fall through. */ |
1509 | case 'd': flags |= SEC_DATA | SEC_LOAD; /* Fall through. */ | |
5881e4aa | 1510 | case 'w': flags &=~ SEC_READONLY; break; |
e96c5464 | 1511 | |
aaa2624b | 1512 | case 'a': break; /* For compatibility with ELF. */ |
5881e4aa | 1513 | case 'x': flags |= SEC_CODE | SEC_LOAD; break; |
b256d4fd | 1514 | case 'r': flags |= SEC_DATA | SEC_LOAD | SEC_READONLY; break; |
252b5132 RH |
1515 | |
1516 | case 'i': /* STYP_INFO */ | |
1517 | case 'l': /* STYP_LIB */ | |
1518 | case 'o': /* STYP_OVER */ | |
1519 | as_warn (_("unsupported section attribute '%c'"), | |
1520 | *input_line_pointer); | |
1521 | break; | |
1522 | ||
1523 | default: | |
a5324a3e NC |
1524 | as_warn (_("unknown section attribute '%c'"), |
1525 | *input_line_pointer); | |
252b5132 RH |
1526 | break; |
1527 | } | |
1528 | ++input_line_pointer; | |
1529 | } | |
1530 | if (*input_line_pointer == '"') | |
1531 | ++input_line_pointer; | |
1532 | } | |
1533 | } | |
1534 | ||
1535 | sec = subseg_new (name, (subsegT) exp); | |
1536 | ||
c9900432 NC |
1537 | oldflags = bfd_get_section_flags (stdoutput, sec); |
1538 | if (oldflags == SEC_NO_FLAGS) | |
252b5132 | 1539 | { |
c9900432 NC |
1540 | /* Set section flags for a new section just created by subseg_new. |
1541 | Provide a default if no flags were parsed. */ | |
1542 | if (flags == SEC_NO_FLAGS) | |
1ad5eac0 | 1543 | flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES; |
dcd619be | 1544 | |
c9900432 NC |
1545 | #ifdef COFF_LONG_SECTION_NAMES |
1546 | /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce | |
1547 | sections so adjust_reloc_syms in write.c will correctly handle | |
1548 | relocs which refer to non-local symbols in these sections. */ | |
a5324a3e | 1549 | if (strneq (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1)) |
cc8a6dd0 | 1550 | flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD; |
c9900432 | 1551 | #endif |
252b5132 RH |
1552 | |
1553 | if (! bfd_set_section_flags (stdoutput, sec, flags)) | |
cc8a6dd0 KH |
1554 | as_warn (_("error setting flags for \"%s\": %s"), |
1555 | bfd_section_name (stdoutput, sec), | |
1556 | bfd_errmsg (bfd_get_error ())); | |
c9900432 NC |
1557 | } |
1558 | else if (flags != SEC_NO_FLAGS) | |
1559 | { | |
a5324a3e | 1560 | /* This section's attributes have already been set. Warn if the |
c9900432 | 1561 | attributes don't match. */ |
5dd0794d | 1562 | flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE |
ebe372c1 | 1563 | | SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD); |
c9900432 NC |
1564 | if ((flags ^ oldflags) & matchflags) |
1565 | as_warn (_("Ignoring changed section attributes for %s"), name); | |
252b5132 RH |
1566 | } |
1567 | ||
1568 | demand_empty_rest_of_line (); | |
1569 | } | |
1570 | ||
1571 | void | |
a5324a3e | 1572 | coff_adjust_symtab (void) |
252b5132 RH |
1573 | { |
1574 | if (symbol_rootP == NULL | |
1575 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
a4528eeb | 1576 | c_dot_file_symbol ("fake", 0); |
252b5132 RH |
1577 | } |
1578 | ||
1579 | void | |
a5324a3e | 1580 | coff_frob_section (segT sec) |
252b5132 RH |
1581 | { |
1582 | segT strsec; | |
1583 | char *p; | |
1584 | fragS *fragp; | |
1585 | bfd_vma size, n_entries, mask; | |
bea9907b | 1586 | bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER; |
252b5132 RH |
1587 | |
1588 | /* The COFF back end in BFD requires that all section sizes be | |
bea9907b TW |
1589 | rounded up to multiples of the corresponding section alignments, |
1590 | supposedly because standard COFF has no other way of encoding alignment | |
1591 | for sections. If your COFF flavor has a different way of encoding | |
dcd619be | 1592 | section alignment, then skip this step, as TICOFF does. */ |
587aac4e | 1593 | size = bfd_get_section_size (sec); |
bea9907b TW |
1594 | mask = ((bfd_vma) 1 << align_power) - 1; |
1595 | #if !defined(TICOFF) | |
252b5132 RH |
1596 | if (size & mask) |
1597 | { | |
7f788821 NC |
1598 | bfd_vma new_size; |
1599 | fragS *last; | |
dcd619be | 1600 | |
7f788821 NC |
1601 | new_size = (size + mask) & ~mask; |
1602 | bfd_set_section_size (stdoutput, sec, new_size); | |
1603 | ||
1604 | /* If the size had to be rounded up, add some padding in | |
1605 | the last non-empty frag. */ | |
1606 | fragp = seg_info (sec)->frchainP->frch_root; | |
1607 | last = seg_info (sec)->frchainP->frch_last; | |
1608 | while (fragp->fr_next != last) | |
cc8a6dd0 | 1609 | fragp = fragp->fr_next; |
7f788821 NC |
1610 | last->fr_address = size; |
1611 | fragp->fr_offset += new_size - size; | |
252b5132 | 1612 | } |
bea9907b | 1613 | #endif |
252b5132 RH |
1614 | |
1615 | /* If the section size is non-zero, the section symbol needs an aux | |
1616 | entry associated with it, indicating the size. We don't know | |
1617 | all the values yet; coff_frob_symbol will fill them in later. */ | |
bea9907b | 1618 | #ifndef TICOFF |
252b5132 RH |
1619 | if (size != 0 |
1620 | || sec == text_section | |
1621 | || sec == data_section | |
1622 | || sec == bss_section) | |
bea9907b | 1623 | #endif |
252b5132 RH |
1624 | { |
1625 | symbolS *secsym = section_symbol (sec); | |
1626 | ||
1627 | S_SET_STORAGE_CLASS (secsym, C_STAT); | |
1628 | S_SET_NUMBER_AUXILIARY (secsym, 1); | |
1629 | SF_SET_STATICS (secsym); | |
1630 | SA_SET_SCN_SCNLEN (secsym, size); | |
1631 | } | |
1632 | ||
a5324a3e | 1633 | /* FIXME: These should be in a "stabs.h" file, or maybe as.h. */ |
252b5132 RH |
1634 | #ifndef STAB_SECTION_NAME |
1635 | #define STAB_SECTION_NAME ".stab" | |
1636 | #endif | |
1637 | #ifndef STAB_STRING_SECTION_NAME | |
1638 | #define STAB_STRING_SECTION_NAME ".stabstr" | |
1639 | #endif | |
a5324a3e | 1640 | if (! streq (STAB_STRING_SECTION_NAME, sec->name)) |
252b5132 RH |
1641 | return; |
1642 | ||
1643 | strsec = sec; | |
1644 | sec = subseg_get (STAB_SECTION_NAME, 0); | |
1645 | /* size is already rounded up, since other section will be listed first */ | |
587aac4e | 1646 | size = bfd_get_section_size (strsec); |
252b5132 | 1647 | |
587aac4e | 1648 | n_entries = bfd_get_section_size (sec) / 12 - 1; |
252b5132 RH |
1649 | |
1650 | /* Find first non-empty frag. It should be large enough. */ | |
1651 | fragp = seg_info (sec)->frchainP->frch_root; | |
1652 | while (fragp && fragp->fr_fix == 0) | |
1653 | fragp = fragp->fr_next; | |
1654 | assert (fragp != 0 && fragp->fr_fix >= 12); | |
1655 | ||
1656 | /* Store the values. */ | |
1657 | p = fragp->fr_literal; | |
1658 | bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6); | |
1659 | bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8); | |
1660 | } | |
1661 | ||
1662 | void | |
a5324a3e | 1663 | obj_coff_init_stab_section (segT seg) |
252b5132 RH |
1664 | { |
1665 | char *file; | |
1666 | char *p; | |
1667 | char *stabstr_name; | |
1668 | unsigned int stroff; | |
1669 | ||
dcd619be | 1670 | /* Make space for this first symbol. */ |
252b5132 | 1671 | p = frag_more (12); |
dcd619be | 1672 | /* Zero it out. */ |
252b5132 RH |
1673 | memset (p, 0, 12); |
1674 | as_where (&file, (unsigned int *) NULL); | |
a5324a3e | 1675 | stabstr_name = xmalloc (strlen (seg->name) + 4); |
252b5132 RH |
1676 | strcpy (stabstr_name, seg->name); |
1677 | strcat (stabstr_name, "str"); | |
1678 | stroff = get_stab_string_offset (file, stabstr_name); | |
1679 | know (stroff == 1); | |
1680 | md_number_to_chars (p, stroff, 4); | |
1681 | } | |
1682 | ||
1683 | #ifdef DEBUG | |
252b5132 | 1684 | const char * |
a5324a3e | 1685 | s_get_name (symbolS *s) |
252b5132 RH |
1686 | { |
1687 | return ((s == NULL) ? "(NULL)" : S_GET_NAME (s)); | |
1688 | } | |
1689 | ||
1690 | void | |
a5324a3e | 1691 | symbol_dump (void) |
252b5132 RH |
1692 | { |
1693 | symbolS *symbolP; | |
1694 | ||
1695 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
a5324a3e NC |
1696 | printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"), |
1697 | (unsigned long) symbolP, | |
1698 | S_GET_NAME (symbolP), | |
1699 | (long) S_GET_DATA_TYPE (symbolP), | |
1700 | S_GET_STORAGE_CLASS (symbolP), | |
1701 | (int) S_GET_SEGMENT (symbolP)); | |
252b5132 RH |
1702 | } |
1703 | ||
1704 | #endif /* DEBUG */ | |
1705 | ||
1706 | #else /* not BFD_ASSEMBLER */ | |
1707 | ||
1708 | #include "frags.h" | |
dcd619be | 1709 | /* This is needed because we include internal bfd things. */ |
252b5132 RH |
1710 | #include <time.h> |
1711 | ||
1712 | #include "libbfd.h" | |
1713 | #include "libcoff.h" | |
1714 | ||
252b5132 RH |
1715 | /* The NOP_OPCODE is for the alignment fill value. Fill with nop so |
1716 | that we can stick sections together without causing trouble. */ | |
1717 | #ifndef NOP_OPCODE | |
1718 | #define NOP_OPCODE 0x00 | |
1719 | #endif | |
1720 | ||
1721 | /* The zeroes if symbol name is longer than 8 chars */ | |
1722 | #define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v)) | |
1723 | ||
1724 | #define MIN(a,b) ((a) < (b)? (a) : (b)) | |
a04b544b ILT |
1725 | |
1726 | /* This vector is used to turn a gas internal segment number into a | |
1727 | section number suitable for insertion into a coff symbol table. | |
1728 | This must correspond to seg_info_off_by_4. */ | |
252b5132 RH |
1729 | |
1730 | const short seg_N_TYPE[] = | |
1731 | { /* in: segT out: N_TYPE bits */ | |
1732 | C_ABS_SECTION, | |
1733 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, | |
1734 | 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, | |
1735 | 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, | |
1736 | 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, | |
1737 | C_UNDEF_SECTION, /* SEG_UNKNOWN */ | |
1738 | C_UNDEF_SECTION, /* SEG_GOOF */ | |
1739 | C_UNDEF_SECTION, /* SEG_EXPR */ | |
1740 | C_DEBUG_SECTION, /* SEG_DEBUG */ | |
1741 | C_NTV_SECTION, /* SEG_NTV */ | |
1742 | C_PTV_SECTION, /* SEG_PTV */ | |
1743 | C_REGISTER_SECTION, /* SEG_REGISTER */ | |
1744 | }; | |
1745 | ||
1746 | int function_lineoff = -1; /* Offset in line#s where the last function | |
1747 | started (the odd entry for line #0) */ | |
1748 | ||
f8e42b8c | 1749 | /* Structure used to keep the filenames which |
252b5132 | 1750 | are too long around so that we can stick them |
f8e42b8c | 1751 | into the string table. */ |
dcd619be | 1752 | struct filename_list |
252b5132 | 1753 | { |
f17c130b | 1754 | const char *filename; |
252b5132 RH |
1755 | struct filename_list *next; |
1756 | }; | |
1757 | ||
1758 | static struct filename_list *filename_list_head; | |
1759 | static struct filename_list *filename_list_tail; | |
1760 | ||
1761 | static symbolS *last_line_symbol; | |
1762 | ||
1763 | /* Add 4 to the real value to get the index and compensate the | |
1764 | negatives. This vector is used by S_GET_SEGMENT to turn a coff | |
f8e42b8c | 1765 | section number into a segment number. */ |
252b5132 | 1766 | |
252b5132 | 1767 | bfd *abfd; |
f8e42b8c NC |
1768 | static symbolS *previous_file_symbol; |
1769 | static int line_base; | |
252b5132 | 1770 | |
a04b544b | 1771 | /* When not using BFD_ASSEMBLER, we permit up to 40 sections. |
252b5132 | 1772 | |
a04b544b ILT |
1773 | This array maps a COFF section number into a gas section number. |
1774 | Because COFF uses negative section numbers, you must add 4 to the | |
1775 | COFF section number when indexing into this array; this is done via | |
1776 | the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to | |
1777 | seg_N_TYPE. */ | |
252b5132 | 1778 | |
a04b544b | 1779 | static const segT seg_info_off_by_4[] = |
252b5132 | 1780 | { |
a04b544b ILT |
1781 | SEG_PTV, |
1782 | SEG_NTV, | |
1783 | SEG_DEBUG, | |
1784 | SEG_ABSOLUTE, | |
1785 | SEG_UNKNOWN, | |
1786 | SEG_E0, SEG_E1, SEG_E2, SEG_E3, SEG_E4, | |
1787 | SEG_E5, SEG_E6, SEG_E7, SEG_E8, SEG_E9, | |
1788 | SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14, | |
1789 | SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19, | |
1790 | SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24, | |
1791 | SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29, | |
1792 | SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34, | |
1793 | SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39, | |
1794 | (segT) 40, | |
1795 | (segT) 41, | |
1796 | (segT) 42, | |
1797 | (segT) 43, | |
1798 | (segT) 44, | |
1799 | (segT) 45, | |
1800 | (segT) 0, | |
1801 | (segT) 0, | |
1802 | (segT) 0, | |
1803 | SEG_REGISTER | |
252b5132 RH |
1804 | }; |
1805 | ||
252b5132 RH |
1806 | #define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4]) |
1807 | ||
1808 | static relax_addressT | |
a5324a3e | 1809 | relax_align (relax_addressT address, long alignment) |
252b5132 RH |
1810 | { |
1811 | relax_addressT mask; | |
1812 | relax_addressT new_address; | |
1813 | ||
1814 | mask = ~((~0) << alignment); | |
1815 | new_address = (address + mask) & (~mask); | |
a5324a3e NC |
1816 | |
1817 | return new_address - address; | |
252b5132 RH |
1818 | } |
1819 | ||
252b5132 | 1820 | segT |
a5324a3e | 1821 | s_get_segment (symbolS * x) |
252b5132 | 1822 | { |
a04b544b | 1823 | return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum); |
252b5132 RH |
1824 | } |
1825 | ||
f8e42b8c NC |
1826 | /* Calculate the size of the frag chain and fill in the section header |
1827 | to contain all of it, also fill in the addr of the sections. */ | |
1828 | ||
252b5132 | 1829 | static unsigned int |
a5324a3e | 1830 | size_section (bfd *abfd ATTRIBUTE_UNUSED, unsigned int idx) |
252b5132 | 1831 | { |
252b5132 RH |
1832 | unsigned int size = 0; |
1833 | fragS *frag = segment_info[idx].frchainP->frch_root; | |
f8e42b8c | 1834 | |
252b5132 RH |
1835 | while (frag) |
1836 | { | |
1837 | size = frag->fr_address; | |
1838 | if (frag->fr_address != size) | |
1839 | { | |
1840 | fprintf (stderr, _("Out of step\n")); | |
1841 | size = frag->fr_address; | |
1842 | } | |
1843 | ||
1844 | switch (frag->fr_type) | |
1845 | { | |
1846 | #ifdef TC_COFF_SIZEMACHDEP | |
1847 | case rs_machine_dependent: | |
1848 | size += TC_COFF_SIZEMACHDEP (frag); | |
1849 | break; | |
1850 | #endif | |
1851 | case rs_space: | |
252b5132 RH |
1852 | case rs_fill: |
1853 | case rs_org: | |
1854 | size += frag->fr_fix; | |
1855 | size += frag->fr_offset * frag->fr_var; | |
1856 | break; | |
1857 | case rs_align: | |
1858 | case rs_align_code: | |
0a9ef439 | 1859 | case rs_align_test: |
252b5132 RH |
1860 | { |
1861 | addressT off; | |
1862 | ||
1863 | size += frag->fr_fix; | |
1864 | off = relax_align (size, frag->fr_offset); | |
1865 | if (frag->fr_subtype != 0 && off > frag->fr_subtype) | |
1866 | off = 0; | |
1867 | size += off; | |
1868 | } | |
1869 | break; | |
1870 | default: | |
1871 | BAD_CASE (frag->fr_type); | |
1872 | break; | |
1873 | } | |
1874 | frag = frag->fr_next; | |
1875 | } | |
1876 | segment_info[idx].scnhdr.s_size = size; | |
1877 | return size; | |
1878 | } | |
1879 | ||
252b5132 | 1880 | static unsigned int |
a5324a3e | 1881 | count_entries_in_chain (unsigned int idx) |
252b5132 RH |
1882 | { |
1883 | unsigned int nrelocs; | |
1884 | fixS *fixup_ptr; | |
1885 | ||
f8e42b8c | 1886 | /* Count the relocations. */ |
252b5132 RH |
1887 | fixup_ptr = segment_info[idx].fix_root; |
1888 | nrelocs = 0; | |
1889 | while (fixup_ptr != (fixS *) NULL) | |
1890 | { | |
1891 | if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr)) | |
1892 | { | |
3b16e843 | 1893 | #if defined(TC_A29K) || defined(TC_OR32) |
252b5132 RH |
1894 | if (fixup_ptr->fx_r_type == RELOC_CONSTH) |
1895 | nrelocs += 2; | |
1896 | else | |
1897 | nrelocs++; | |
1898 | #else | |
1899 | nrelocs++; | |
1900 | #endif | |
1901 | } | |
1902 | ||
1903 | fixup_ptr = fixup_ptr->fx_next; | |
1904 | } | |
1905 | return nrelocs; | |
1906 | } | |
1907 | ||
1908 | #ifdef TE_AUX | |
1909 | ||
f8e42b8c NC |
1910 | /* AUX's ld expects relocations to be sorted. */ |
1911 | ||
252b5132 | 1912 | static int |
a5324a3e | 1913 | compare_external_relocs (const void * x, const void * y) |
252b5132 RH |
1914 | { |
1915 | struct external_reloc *a = (struct external_reloc *) x; | |
1916 | struct external_reloc *b = (struct external_reloc *) y; | |
1917 | bfd_vma aadr = bfd_getb32 (a->r_vaddr); | |
1918 | bfd_vma badr = bfd_getb32 (b->r_vaddr); | |
a5324a3e | 1919 | |
252b5132 RH |
1920 | return (aadr < badr ? -1 : badr < aadr ? 1 : 0); |
1921 | } | |
1922 | ||
1923 | #endif | |
1924 | ||
f8e42b8c NC |
1925 | /* Output all the relocations for a section. */ |
1926 | ||
a5324a3e NC |
1927 | static void |
1928 | do_relocs_for (bfd * abfd, object_headers * h, unsigned long *file_cursor) | |
252b5132 RH |
1929 | { |
1930 | unsigned int nrelocs; | |
1931 | unsigned int idx; | |
1932 | unsigned long reloc_start = *file_cursor; | |
1933 | ||
1934 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
1935 | { | |
1936 | if (segment_info[idx].scnhdr.s_name[0]) | |
1937 | { | |
1938 | struct external_reloc *ext_ptr; | |
1939 | struct external_reloc *external_reloc_vec; | |
1940 | unsigned int external_reloc_size; | |
1941 | unsigned int base = segment_info[idx].scnhdr.s_paddr; | |
1942 | fixS *fix_ptr = segment_info[idx].fix_root; | |
a5324a3e | 1943 | |
252b5132 RH |
1944 | nrelocs = count_entries_in_chain (idx); |
1945 | ||
1946 | if (nrelocs) | |
1947 | /* Bypass this stuff if no relocs. This also incidentally | |
1948 | avoids a SCO bug, where free(malloc(0)) tends to crash. */ | |
1949 | { | |
1950 | external_reloc_size = nrelocs * RELSZ; | |
a5324a3e | 1951 | external_reloc_vec = malloc (external_reloc_size); |
252b5132 RH |
1952 | |
1953 | ext_ptr = external_reloc_vec; | |
1954 | ||
1955 | /* Fill in the internal coff style reloc struct from the | |
1956 | internal fix list. */ | |
1957 | while (fix_ptr) | |
1958 | { | |
1959 | struct internal_reloc intr; | |
1960 | ||
f8e42b8c | 1961 | /* Only output some of the relocations. */ |
252b5132 RH |
1962 | if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr)) |
1963 | { | |
1964 | #ifdef TC_RELOC_MANGLE | |
1965 | TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr, | |
1966 | base); | |
252b5132 RH |
1967 | #else |
1968 | symbolS *dot; | |
1969 | symbolS *symbol_ptr = fix_ptr->fx_addsy; | |
1970 | ||
1971 | intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr); | |
1972 | intr.r_vaddr = | |
1973 | base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where; | |
1974 | ||
1975 | #ifdef TC_KEEP_FX_OFFSET | |
1976 | intr.r_offset = fix_ptr->fx_offset; | |
1977 | #else | |
1978 | intr.r_offset = 0; | |
1979 | #endif | |
1980 | ||
1981 | while (symbol_ptr->sy_value.X_op == O_symbol | |
1982 | && (! S_IS_DEFINED (symbol_ptr) | |
1983 | || S_IS_COMMON (symbol_ptr))) | |
1984 | { | |
1985 | symbolS *n; | |
1986 | ||
1987 | /* We must avoid looping, as that can occur | |
1988 | with a badly written program. */ | |
1989 | n = symbol_ptr->sy_value.X_add_symbol; | |
1990 | if (n == symbol_ptr) | |
1991 | break; | |
1992 | symbol_ptr = n; | |
1993 | } | |
1994 | ||
1995 | /* Turn the segment of the symbol into an offset. */ | |
1996 | if (symbol_ptr) | |
1997 | { | |
6386f3a7 | 1998 | resolve_symbol_value (symbol_ptr); |
252b5132 RH |
1999 | if (! symbol_ptr->sy_resolved) |
2000 | { | |
2001 | char *file; | |
2002 | unsigned int line; | |
2003 | ||
2004 | if (expr_symbol_where (symbol_ptr, &file, &line)) | |
2005 | as_bad_where (file, line, | |
2006 | _("unresolved relocation")); | |
2007 | else | |
2008 | as_bad (_("bad relocation: symbol `%s' not in symbol table"), | |
2009 | S_GET_NAME (symbol_ptr)); | |
2010 | } | |
f8e42b8c | 2011 | |
252b5132 RH |
2012 | dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot; |
2013 | if (dot) | |
f8e42b8c | 2014 | intr.r_symndx = dot->sy_number; |
252b5132 | 2015 | else |
f8e42b8c | 2016 | intr.r_symndx = symbol_ptr->sy_number; |
252b5132 RH |
2017 | } |
2018 | else | |
f8e42b8c | 2019 | intr.r_symndx = -1; |
252b5132 | 2020 | #endif |
252b5132 RH |
2021 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); |
2022 | ext_ptr++; | |
252b5132 | 2023 | #if defined(TC_A29K) |
252b5132 | 2024 | /* The 29k has a special kludge for the high 16 bit |
aaa2624b | 2025 | reloc. Two relocations are emitted, R_IHIHALF, |
252b5132 RH |
2026 | and R_IHCONST. The second one doesn't contain a |
2027 | symbol, but uses the value for offset. */ | |
252b5132 RH |
2028 | if (intr.r_type == R_IHIHALF) |
2029 | { | |
f8e42b8c | 2030 | /* Now emit the second bit. */ |
252b5132 RH |
2031 | intr.r_type = R_IHCONST; |
2032 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2033 | (void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr); | |
2034 | ext_ptr++; | |
2035 | } | |
3b16e843 NC |
2036 | #endif |
2037 | #if defined(TC_OR32) | |
2038 | /* The or32 has a special kludge for the high 16 bit | |
aaa2624b | 2039 | reloc. Two relocations are emitted, R_IHIHALF, |
3b16e843 NC |
2040 | and R_IHCONST. The second one doesn't contain a |
2041 | symbol, but uses the value for offset. */ | |
2042 | if (intr.r_type == R_IHIHALF) | |
2043 | { | |
2044 | /* Now emit the second bit. */ | |
2045 | intr.r_type = R_IHCONST; | |
2046 | intr.r_symndx = fix_ptr->fx_addnumber; | |
2047 | (void) bfd_coff_swap_reloc_out (abfd, & intr, ext_ptr); | |
2048 | ext_ptr ++; | |
2049 | } | |
252b5132 RH |
2050 | #endif |
2051 | } | |
2052 | ||
2053 | fix_ptr = fix_ptr->fx_next; | |
2054 | } | |
252b5132 | 2055 | #ifdef TE_AUX |
f8e42b8c | 2056 | /* Sort the reloc table. */ |
a5324a3e | 2057 | qsort ((void *) external_reloc_vec, nrelocs, |
252b5132 RH |
2058 | sizeof (struct external_reloc), compare_external_relocs); |
2059 | #endif | |
f8e42b8c | 2060 | /* Write out the reloc table. */ |
a5324a3e | 2061 | bfd_bwrite ((void *) external_reloc_vec, |
0e1a166b | 2062 | (bfd_size_type) external_reloc_size, abfd); |
252b5132 RH |
2063 | free (external_reloc_vec); |
2064 | ||
2065 | /* Fill in section header info. */ | |
2066 | segment_info[idx].scnhdr.s_relptr = *file_cursor; | |
2067 | *file_cursor += external_reloc_size; | |
2068 | segment_info[idx].scnhdr.s_nreloc = nrelocs; | |
2069 | } | |
2070 | else | |
2071 | { | |
f8e42b8c | 2072 | /* No relocs. */ |
252b5132 RH |
2073 | segment_info[idx].scnhdr.s_relptr = 0; |
2074 | } | |
2075 | } | |
2076 | } | |
f8e42b8c NC |
2077 | |
2078 | /* Set relocation_size field in file headers. */ | |
252b5132 RH |
2079 | H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0); |
2080 | } | |
2081 | ||
f8e42b8c | 2082 | /* Run through a frag chain and write out the data to go with it, fill |
aaa2624b | 2083 | in the scnhdrs with the info on the file positions. */ |
f8e42b8c | 2084 | |
252b5132 | 2085 | static void |
a5324a3e NC |
2086 | fill_section (bfd * abfd, |
2087 | object_headers *h ATTRIBUTE_UNUSED, | |
2088 | unsigned long *file_cursor) | |
252b5132 | 2089 | { |
252b5132 RH |
2090 | unsigned int i; |
2091 | unsigned int paddr = 0; | |
2092 | ||
2093 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
2094 | { | |
2095 | unsigned int offset = 0; | |
2096 | struct internal_scnhdr *s = &(segment_info[i].scnhdr); | |
2097 | ||
2098 | PROGRESS (1); | |
2099 | ||
2100 | if (s->s_name[0]) | |
2101 | { | |
2102 | fragS *frag = segment_info[i].frchainP->frch_root; | |
ea3b9044 | 2103 | char *buffer = NULL; |
252b5132 RH |
2104 | |
2105 | if (s->s_size == 0) | |
2106 | s->s_scnptr = 0; | |
2107 | else | |
2108 | { | |
2109 | buffer = xmalloc (s->s_size); | |
2110 | s->s_scnptr = *file_cursor; | |
2111 | } | |
2112 | know (s->s_paddr == paddr); | |
2113 | ||
a5324a3e | 2114 | if (streq (s->s_name, ".text")) |
252b5132 | 2115 | s->s_flags |= STYP_TEXT; |
a5324a3e | 2116 | else if (streq (s->s_name, ".data")) |
252b5132 | 2117 | s->s_flags |= STYP_DATA; |
a5324a3e | 2118 | else if (streq (s->s_name, ".bss")) |
252b5132 RH |
2119 | { |
2120 | s->s_scnptr = 0; | |
2121 | s->s_flags |= STYP_BSS; | |
2122 | ||
2123 | /* @@ Should make the i386 and a29k coff targets define | |
2124 | COFF_NOLOAD_PROBLEM, and have only one test here. */ | |
2125 | #ifndef TC_I386 | |
2126 | #ifndef TC_A29K | |
3b16e843 | 2127 | #ifndef TC_OR32 |
252b5132 RH |
2128 | #ifndef COFF_NOLOAD_PROBLEM |
2129 | /* Apparently the SVR3 linker (and exec syscall) and UDI | |
2130 | mondfe progrem are confused by noload sections. */ | |
2131 | s->s_flags |= STYP_NOLOAD; | |
2132 | #endif | |
2133 | #endif | |
3b16e843 | 2134 | #endif |
252b5132 RH |
2135 | #endif |
2136 | } | |
a5324a3e | 2137 | else if (streq (s->s_name, ".lit")) |
252b5132 | 2138 | s->s_flags = STYP_LIT | STYP_TEXT; |
a5324a3e | 2139 | else if (streq (s->s_name, ".init")) |
252b5132 | 2140 | s->s_flags |= STYP_TEXT; |
a5324a3e | 2141 | else if (streq (s->s_name, ".fini")) |
252b5132 | 2142 | s->s_flags |= STYP_TEXT; |
a5324a3e | 2143 | else if (strneq (s->s_name, ".comment", 8)) |
252b5132 RH |
2144 | s->s_flags |= STYP_INFO; |
2145 | ||
2146 | while (frag) | |
2147 | { | |
2148 | unsigned int fill_size; | |
a5324a3e | 2149 | |
252b5132 RH |
2150 | switch (frag->fr_type) |
2151 | { | |
2152 | case rs_machine_dependent: | |
2153 | if (frag->fr_fix) | |
2154 | { | |
2155 | memcpy (buffer + frag->fr_address, | |
2156 | frag->fr_literal, | |
2157 | (unsigned int) frag->fr_fix); | |
2158 | offset += frag->fr_fix; | |
2159 | } | |
2160 | ||
2161 | break; | |
2162 | case rs_space: | |
252b5132 RH |
2163 | case rs_fill: |
2164 | case rs_align: | |
2165 | case rs_align_code: | |
0a9ef439 | 2166 | case rs_align_test: |
252b5132 RH |
2167 | case rs_org: |
2168 | if (frag->fr_fix) | |
2169 | { | |
2170 | memcpy (buffer + frag->fr_address, | |
2171 | frag->fr_literal, | |
2172 | (unsigned int) frag->fr_fix); | |
2173 | offset += frag->fr_fix; | |
2174 | } | |
2175 | ||
2176 | fill_size = frag->fr_var; | |
2177 | if (fill_size && frag->fr_offset > 0) | |
2178 | { | |
2179 | unsigned int count; | |
2180 | unsigned int off = frag->fr_fix; | |
a5324a3e | 2181 | |
252b5132 RH |
2182 | for (count = frag->fr_offset; count; count--) |
2183 | { | |
2184 | if (fill_size + frag->fr_address + off <= s->s_size) | |
2185 | { | |
2186 | memcpy (buffer + frag->fr_address + off, | |
2187 | frag->fr_literal + frag->fr_fix, | |
2188 | fill_size); | |
2189 | off += fill_size; | |
2190 | offset += fill_size; | |
2191 | } | |
2192 | } | |
2193 | } | |
2194 | break; | |
2195 | case rs_broken_word: | |
2196 | break; | |
2197 | default: | |
2198 | abort (); | |
2199 | } | |
2200 | frag = frag->fr_next; | |
2201 | } | |
2202 | ||
2203 | if (s->s_size != 0) | |
2204 | { | |
2205 | if (s->s_scnptr != 0) | |
2206 | { | |
0e1a166b | 2207 | bfd_bwrite (buffer, s->s_size, abfd); |
252b5132 RH |
2208 | *file_cursor += s->s_size; |
2209 | } | |
2210 | free (buffer); | |
2211 | } | |
2212 | paddr += s->s_size; | |
2213 | } | |
2214 | } | |
2215 | } | |
2216 | ||
f8e42b8c | 2217 | /* Coff file generation & utilities. */ |
252b5132 RH |
2218 | |
2219 | static void | |
a5324a3e | 2220 | coff_header_append (bfd * abfd, object_headers * h) |
252b5132 RH |
2221 | { |
2222 | unsigned int i; | |
2223 | char buffer[1000]; | |
2224 | char buffero[1000]; | |
2225 | #ifdef COFF_LONG_SECTION_NAMES | |
2226 | unsigned long string_size = 4; | |
2227 | #endif | |
2228 | ||
a5324a3e | 2229 | bfd_seek (abfd, 0, 0); |
252b5132 RH |
2230 | |
2231 | #ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER | |
2232 | H_SET_MAGIC_NUMBER (h, COFF_MAGIC); | |
2233 | H_SET_VERSION_STAMP (h, 0); | |
2234 | H_SET_ENTRY_POINT (h, 0); | |
2235 | H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address); | |
2236 | H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address); | |
a5324a3e NC |
2237 | H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out (abfd, &h->aouthdr, |
2238 | buffero)); | |
252b5132 RH |
2239 | #else /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ |
2240 | H_SET_SIZEOF_OPTIONAL_HEADER (h, 0); | |
2241 | #endif /* defined (OBJ_COFF_OMIT_OPTIONAL_HEADER) */ | |
2242 | ||
2243 | i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer); | |
2244 | ||
0e1a166b AM |
2245 | bfd_bwrite (buffer, (bfd_size_type) i, abfd); |
2246 | bfd_bwrite (buffero, (bfd_size_type) H_GET_SIZEOF_OPTIONAL_HEADER (h), abfd); | |
252b5132 RH |
2247 | |
2248 | for (i = SEG_E0; i < SEG_LAST; i++) | |
2249 | { | |
2250 | if (segment_info[i].scnhdr.s_name[0]) | |
2251 | { | |
2252 | unsigned int size; | |
2253 | ||
2254 | #ifdef COFF_LONG_SECTION_NAMES | |
2255 | /* Support long section names as found in PE. This code | |
2256 | must coordinate with that in write_object_file and | |
2257 | w_strings. */ | |
2258 | if (strlen (segment_info[i].name) > SCNNMLEN) | |
2259 | { | |
2260 | memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN); | |
2261 | sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size); | |
2262 | string_size += strlen (segment_info[i].name) + 1; | |
2263 | } | |
2264 | #endif | |
252b5132 RH |
2265 | size = bfd_coff_swap_scnhdr_out (abfd, |
2266 | &(segment_info[i].scnhdr), | |
2267 | buffer); | |
2268 | if (size == 0) | |
2269 | as_bad (_("bfd_coff_swap_scnhdr_out failed")); | |
0e1a166b | 2270 | bfd_bwrite (buffer, (bfd_size_type) size, abfd); |
252b5132 RH |
2271 | } |
2272 | } | |
2273 | } | |
2274 | ||
a5324a3e NC |
2275 | static char * |
2276 | symbol_to_chars (bfd * abfd, char * where, symbolS * symbolP) | |
252b5132 RH |
2277 | { |
2278 | unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux; | |
2279 | unsigned int i; | |
2280 | valueT val; | |
2281 | ||
f8e42b8c | 2282 | /* Turn any symbols with register attributes into abs symbols. */ |
252b5132 | 2283 | if (S_GET_SEGMENT (symbolP) == reg_section) |
f8e42b8c | 2284 | S_SET_SEGMENT (symbolP, absolute_section); |
252b5132 | 2285 | |
f8e42b8c | 2286 | /* At the same time, relocate all symbols to their output value. */ |
252b5132 RH |
2287 | #ifndef TE_PE |
2288 | val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr | |
2289 | + S_GET_VALUE (symbolP)); | |
2290 | #else | |
2291 | val = S_GET_VALUE (symbolP); | |
2292 | #endif | |
2293 | ||
2294 | S_SET_VALUE (symbolP, val); | |
2295 | ||
2296 | symbolP->sy_symbol.ost_entry.n_value = val; | |
2297 | ||
2298 | where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry, | |
2299 | where); | |
2300 | ||
2301 | for (i = 0; i < numaux; i++) | |
2302 | { | |
2303 | where += bfd_coff_swap_aux_out (abfd, | |
2304 | &symbolP->sy_symbol.ost_auxent[i], | |
2305 | S_GET_DATA_TYPE (symbolP), | |
2306 | S_GET_STORAGE_CLASS (symbolP), | |
2307 | i, numaux, where); | |
2308 | } | |
252b5132 | 2309 | |
f8e42b8c | 2310 | return where; |
252b5132 RH |
2311 | } |
2312 | ||
2313 | void | |
a5324a3e | 2314 | coff_obj_symbol_new_hook (symbolS *symbolP) |
252b5132 | 2315 | { |
f8e42b8c | 2316 | char underscore = 0; /* Symbol has leading _ */ |
252b5132 | 2317 | |
f8e42b8c | 2318 | /* Effective symbol. */ |
dcd619be | 2319 | /* Store the pointer in the offset. */ |
252b5132 RH |
2320 | S_SET_ZEROES (symbolP, 0L); |
2321 | S_SET_DATA_TYPE (symbolP, T_NULL); | |
2322 | S_SET_STORAGE_CLASS (symbolP, 0); | |
2323 | S_SET_NUMBER_AUXILIARY (symbolP, 0); | |
f8e42b8c | 2324 | /* Additional information. */ |
252b5132 | 2325 | symbolP->sy_symbol.ost_flags = 0; |
f8e42b8c | 2326 | /* Auxiliary entries. */ |
252b5132 RH |
2327 | memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ); |
2328 | ||
2329 | if (S_IS_STRING (symbolP)) | |
2330 | SF_SET_STRING (symbolP); | |
2331 | if (!underscore && S_IS_LOCAL (symbolP)) | |
2332 | SF_SET_LOCAL (symbolP); | |
2333 | } | |
2334 | ||
a5324a3e NC |
2335 | static int |
2336 | c_line_new (symbolS * symbol, long paddr, int line_number, fragS * frag) | |
2337 | { | |
2338 | struct lineno_list *new_line = xmalloc (sizeof (* new_line)); | |
2339 | ||
2340 | segment_info_type *s = segment_info + now_seg; | |
2341 | new_line->line.l_lnno = line_number; | |
2342 | ||
2343 | if (line_number == 0) | |
2344 | { | |
2345 | last_line_symbol = symbol; | |
2346 | new_line->line.l_addr.l_symndx = (long) symbol; | |
2347 | } | |
2348 | else | |
2349 | { | |
2350 | new_line->line.l_addr.l_paddr = paddr; | |
2351 | } | |
2352 | ||
2353 | new_line->frag = (char *) frag; | |
2354 | new_line->next = NULL; | |
2355 | ||
2356 | if (s->lineno_list_head == NULL) | |
2357 | s->lineno_list_head = new_line; | |
2358 | else | |
2359 | s->lineno_list_tail->next = new_line; | |
2360 | ||
2361 | s->lineno_list_tail = new_line; | |
2362 | return LINESZ * s->scnhdr.s_nlnno++; | |
2363 | } | |
2364 | ||
f8e42b8c | 2365 | /* Handle .ln directives. */ |
252b5132 RH |
2366 | |
2367 | static void | |
a5324a3e | 2368 | obj_coff_ln (int appline) |
252b5132 RH |
2369 | { |
2370 | int l; | |
2371 | ||
2372 | if (! appline && def_symbol_in_progress != NULL) | |
2373 | { | |
f8e42b8c | 2374 | /* Wrong context. */ |
252b5132 RH |
2375 | as_warn (_(".ln pseudo-op inside .def/.endef: ignored.")); |
2376 | demand_empty_rest_of_line (); | |
2377 | return; | |
f8e42b8c | 2378 | } |
252b5132 RH |
2379 | |
2380 | l = get_absolute_expression (); | |
2381 | c_line_new (0, frag_now_fix (), l, frag_now); | |
2382 | ||
2383 | if (appline) | |
2384 | new_logical_line ((char *) NULL, l - 1); | |
2385 | ||
2386 | #ifndef NO_LISTING | |
2387 | { | |
2388 | extern int listing; | |
2389 | ||
2390 | if (listing) | |
2391 | { | |
2392 | if (! appline) | |
2393 | l += line_base - 1; | |
2394 | listing_source_line ((unsigned int) l); | |
2395 | } | |
252b5132 RH |
2396 | } |
2397 | #endif | |
2398 | demand_empty_rest_of_line (); | |
2399 | } | |
2400 | ||
f8e42b8c | 2401 | /* Handle .def directives. |
a5324a3e | 2402 | |
f8e42b8c NC |
2403 | One might ask : why can't we symbol_new if the symbol does not |
2404 | already exist and fill it with debug information. Because of | |
2405 | the C_EFCN special symbol. It would clobber the value of the | |
2406 | function symbol before we have a chance to notice that it is | |
2407 | a C_EFCN. And a second reason is that the code is more clear this | |
2408 | way. (at least I think it is :-). */ | |
252b5132 RH |
2409 | |
2410 | #define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';') | |
2411 | #define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \ | |
a5324a3e NC |
2412 | *input_line_pointer == '\t') \ |
2413 | input_line_pointer++; | |
252b5132 RH |
2414 | |
2415 | static void | |
a5324a3e | 2416 | obj_coff_def (int what ATTRIBUTE_UNUSED) |
252b5132 | 2417 | { |
f8e42b8c NC |
2418 | char name_end; /* Char after the end of name. */ |
2419 | char *symbol_name; /* Name of the debug symbol. */ | |
2420 | char *symbol_name_copy; /* Temporary copy of the name. */ | |
252b5132 RH |
2421 | unsigned int symbol_name_length; |
2422 | ||
2423 | if (def_symbol_in_progress != NULL) | |
2424 | { | |
2425 | as_warn (_(".def pseudo-op used inside of .def/.endef: ignored.")); | |
2426 | demand_empty_rest_of_line (); | |
2427 | return; | |
f8e42b8c | 2428 | } |
252b5132 RH |
2429 | |
2430 | SKIP_WHITESPACES (); | |
2431 | ||
a5324a3e | 2432 | def_symbol_in_progress = obstack_alloc (¬es, sizeof (*def_symbol_in_progress)); |
252b5132 RH |
2433 | memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress)); |
2434 | ||
2435 | symbol_name = input_line_pointer; | |
2436 | name_end = get_symbol_end (); | |
2437 | symbol_name_length = strlen (symbol_name); | |
2438 | symbol_name_copy = xmalloc (symbol_name_length + 1); | |
2439 | strcpy (symbol_name_copy, symbol_name); | |
2440 | #ifdef tc_canonicalize_symbol_name | |
2441 | symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy); | |
2442 | #endif | |
2443 | ||
f8e42b8c | 2444 | /* Initialize the new symbol. */ |
252b5132 | 2445 | S_SET_NAME (def_symbol_in_progress, symbol_name_copy); |
252b5132 RH |
2446 | /* free(symbol_name_copy); */ |
2447 | def_symbol_in_progress->sy_name_offset = (unsigned long) ~0; | |
2448 | def_symbol_in_progress->sy_number = ~0; | |
2449 | def_symbol_in_progress->sy_frag = &zero_address_frag; | |
2450 | S_SET_VALUE (def_symbol_in_progress, 0); | |
2451 | ||
2452 | if (S_IS_STRING (def_symbol_in_progress)) | |
2453 | SF_SET_STRING (def_symbol_in_progress); | |
2454 | ||
2455 | *input_line_pointer = name_end; | |
2456 | ||
2457 | demand_empty_rest_of_line (); | |
2458 | } | |
2459 | ||
a5324a3e NC |
2460 | static void |
2461 | c_symbol_merge (symbolS *debug, symbolS *normal) | |
2462 | { | |
2463 | S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug)); | |
2464 | S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug)); | |
2465 | ||
2466 | if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal)) | |
2467 | S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug)); | |
2468 | ||
2469 | if (S_GET_NUMBER_AUXILIARY (debug) > 0) | |
2470 | memcpy ((char *) &normal->sy_symbol.ost_auxent[0], | |
2471 | (char *) &debug->sy_symbol.ost_auxent[0], | |
2472 | (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ)); | |
2473 | ||
2474 | /* Move the debug flags. */ | |
2475 | SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug)); | |
2476 | } | |
2477 | ||
87c245cc | 2478 | static unsigned int dim_index; |
252b5132 | 2479 | |
252b5132 | 2480 | static void |
a5324a3e | 2481 | obj_coff_endef (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2482 | { |
2483 | symbolS *symbolP = 0; | |
a5324a3e | 2484 | |
252b5132 RH |
2485 | dim_index = 0; |
2486 | if (def_symbol_in_progress == NULL) | |
2487 | { | |
2488 | as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored.")); | |
2489 | demand_empty_rest_of_line (); | |
2490 | return; | |
f8e42b8c | 2491 | } |
252b5132 | 2492 | |
dcd619be | 2493 | /* Set the section number according to storage class. */ |
252b5132 RH |
2494 | switch (S_GET_STORAGE_CLASS (def_symbol_in_progress)) |
2495 | { | |
2496 | case C_STRTAG: | |
2497 | case C_ENTAG: | |
2498 | case C_UNTAG: | |
2499 | SF_SET_TAG (def_symbol_in_progress); | |
a5324a3e | 2500 | /* Fall through. */ |
f8e42b8c | 2501 | |
252b5132 RH |
2502 | case C_FILE: |
2503 | case C_TPDEF: | |
2504 | SF_SET_DEBUG (def_symbol_in_progress); | |
2505 | S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG); | |
2506 | break; | |
2507 | ||
2508 | case C_EFCN: | |
f8e42b8c NC |
2509 | /* Do not emit this symbol. */ |
2510 | SF_SET_LOCAL (def_symbol_in_progress); | |
a5324a3e NC |
2511 | /* Fall through. */ |
2512 | ||
252b5132 | 2513 | case C_BLOCK: |
f8e42b8c NC |
2514 | /* Will need processing before writing. */ |
2515 | SF_SET_PROCESS (def_symbol_in_progress); | |
a5324a3e | 2516 | /* Fall through. */ |
f8e42b8c | 2517 | |
252b5132 RH |
2518 | case C_FCN: |
2519 | S_SET_SEGMENT (def_symbol_in_progress, SEG_E0); | |
2520 | ||
a5324a3e NC |
2521 | if (streq (S_GET_NAME (def_symbol_in_progress), ".bf")) |
2522 | { | |
252b5132 | 2523 | if (function_lineoff < 0) |
f8e42b8c NC |
2524 | fprintf (stderr, _("`.bf' symbol without preceding function\n")); |
2525 | ||
252b5132 RH |
2526 | SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff; |
2527 | ||
2528 | SF_SET_PROCESS (last_line_symbol); | |
2529 | SF_SET_ADJ_LNNOPTR (last_line_symbol); | |
2530 | SF_SET_PROCESS (def_symbol_in_progress); | |
2531 | function_lineoff = -1; | |
2532 | } | |
f8e42b8c | 2533 | |
dcd619be | 2534 | /* Value is always set to . */ |
252b5132 RH |
2535 | def_symbol_in_progress->sy_frag = frag_now; |
2536 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
2537 | break; | |
2538 | ||
2539 | #ifdef C_AUTOARG | |
2540 | case C_AUTOARG: | |
2541 | #endif /* C_AUTOARG */ | |
2542 | case C_AUTO: | |
2543 | case C_REG: | |
2544 | case C_MOS: | |
2545 | case C_MOE: | |
2546 | case C_MOU: | |
2547 | case C_ARG: | |
2548 | case C_REGPARM: | |
2549 | case C_FIELD: | |
2550 | case C_EOS: | |
2551 | SF_SET_DEBUG (def_symbol_in_progress); | |
2552 | S_SET_SEGMENT (def_symbol_in_progress, absolute_section); | |
2553 | break; | |
2554 | ||
2555 | case C_EXT: | |
2556 | case C_WEAKEXT: | |
2557 | #ifdef TE_PE | |
2558 | case C_NT_WEAK: | |
2559 | #endif | |
2560 | case C_STAT: | |
2561 | case C_LABEL: | |
f8e42b8c | 2562 | /* Valid but set somewhere else (s_comm, s_lcomm, colon). */ |
252b5132 RH |
2563 | break; |
2564 | ||
2565 | case C_USTATIC: | |
2566 | case C_EXTDEF: | |
2567 | case C_ULABEL: | |
2568 | as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress)); | |
2569 | break; | |
f8e42b8c | 2570 | } |
252b5132 RH |
2571 | |
2572 | /* Now that we have built a debug symbol, try to find if we should | |
2573 | merge with an existing symbol or not. If a symbol is C_EFCN or | |
2574 | absolute_section or untagged SEG_DEBUG it never merges. We also | |
2575 | don't merge labels, which are in a different namespace, nor | |
2576 | symbols which have not yet been defined since they are typically | |
2577 | unique, nor do we merge tags with non-tags. */ | |
2578 | ||
2579 | /* Two cases for functions. Either debug followed by definition or | |
2580 | definition followed by debug. For definition first, we will | |
2581 | merge the debug symbol into the definition. For debug first, the | |
2582 | lineno entry MUST point to the definition function or else it | |
2583 | will point off into space when crawl_symbols() merges the debug | |
2584 | symbol into the real symbol. Therefor, let's presume the debug | |
dcd619be | 2585 | symbol is a real function reference. */ |
252b5132 RH |
2586 | |
2587 | /* FIXME-SOON If for some reason the definition label/symbol is | |
2588 | never seen, this will probably leave an undefined symbol at link | |
dcd619be | 2589 | time. */ |
252b5132 RH |
2590 | |
2591 | if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN | |
2592 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL | |
2593 | || (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG | |
2594 | && !SF_GET_TAG (def_symbol_in_progress)) | |
2595 | || S_GET_SEGMENT (def_symbol_in_progress) == absolute_section | |
2596 | || def_symbol_in_progress->sy_value.X_op != O_constant | |
91c4c449 | 2597 | || (symbolP = symbol_find (S_GET_NAME (def_symbol_in_progress))) == NULL |
252b5132 RH |
2598 | || (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))) |
2599 | { | |
2600 | symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, | |
2601 | &symbol_lastP); | |
2602 | } | |
2603 | else | |
2604 | { | |
2605 | /* This symbol already exists, merge the newly created symbol | |
2606 | into the old one. This is not mandatory. The linker can | |
2607 | handle duplicate symbols correctly. But I guess that it save | |
2608 | a *lot* of space if the assembly file defines a lot of | |
2609 | symbols. [loic] */ | |
2610 | ||
2611 | /* The debug entry (def_symbol_in_progress) is merged into the | |
2612 | previous definition. */ | |
2613 | ||
2614 | c_symbol_merge (def_symbol_in_progress, symbolP); | |
dcd619be | 2615 | /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */ |
252b5132 RH |
2616 | def_symbol_in_progress = symbolP; |
2617 | ||
2618 | if (SF_GET_FUNCTION (def_symbol_in_progress) | |
2619 | || SF_GET_TAG (def_symbol_in_progress) | |
2620 | || S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT) | |
2621 | { | |
2622 | /* For functions, and tags, and static symbols, the symbol | |
2623 | *must* be where the debug symbol appears. Move the | |
dcd619be | 2624 | existing symbol to the current place. */ |
f8e42b8c | 2625 | /* If it already is at the end of the symbol list, do nothing. */ |
252b5132 RH |
2626 | if (def_symbol_in_progress != symbol_lastP) |
2627 | { | |
2628 | symbol_remove (def_symbol_in_progress, &symbol_rootP, | |
2629 | &symbol_lastP); | |
2630 | symbol_append (def_symbol_in_progress, symbol_lastP, | |
2631 | &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
2632 | } |
2633 | } | |
2634 | } | |
252b5132 RH |
2635 | |
2636 | if (SF_GET_TAG (def_symbol_in_progress)) | |
2637 | { | |
2638 | symbolS *oldtag; | |
2639 | ||
91c4c449 | 2640 | oldtag = symbol_find (S_GET_NAME (def_symbol_in_progress)); |
252b5132 RH |
2641 | if (oldtag == NULL || ! SF_GET_TAG (oldtag)) |
2642 | tag_insert (S_GET_NAME (def_symbol_in_progress), | |
2643 | def_symbol_in_progress); | |
2644 | } | |
2645 | ||
2646 | if (SF_GET_FUNCTION (def_symbol_in_progress)) | |
2647 | { | |
2648 | know (sizeof (def_symbol_in_progress) <= sizeof (long)); | |
2649 | function_lineoff | |
2650 | = c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag); | |
2651 | ||
2652 | SF_SET_PROCESS (def_symbol_in_progress); | |
2653 | ||
2654 | if (symbolP == NULL) | |
a5324a3e NC |
2655 | /* That is, if this is the first time we've seen the function. */ |
2656 | symbol_table_insert (def_symbol_in_progress); | |
f8e42b8c | 2657 | } |
252b5132 RH |
2658 | |
2659 | def_symbol_in_progress = NULL; | |
2660 | demand_empty_rest_of_line (); | |
2661 | } | |
2662 | ||
2663 | static void | |
a5324a3e | 2664 | obj_coff_dim (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2665 | { |
2666 | int dim_index; | |
2667 | ||
2668 | if (def_symbol_in_progress == NULL) | |
2669 | { | |
2670 | as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored.")); | |
2671 | demand_empty_rest_of_line (); | |
2672 | return; | |
f8e42b8c | 2673 | } |
252b5132 RH |
2674 | |
2675 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2676 | ||
2677 | for (dim_index = 0; dim_index < DIMNUM; dim_index++) | |
2678 | { | |
2679 | SKIP_WHITESPACES (); | |
2680 | SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index, | |
2681 | get_absolute_expression ()); | |
2682 | ||
2683 | switch (*input_line_pointer) | |
2684 | { | |
2685 | case ',': | |
2686 | input_line_pointer++; | |
2687 | break; | |
2688 | ||
2689 | default: | |
2690 | as_warn (_("badly formed .dim directive ignored")); | |
a5324a3e | 2691 | /* Fall through. */ |
f8e42b8c | 2692 | |
252b5132 RH |
2693 | case '\n': |
2694 | case ';': | |
2695 | dim_index = DIMNUM; | |
2696 | break; | |
2697 | } | |
2698 | } | |
2699 | ||
2700 | demand_empty_rest_of_line (); | |
2701 | } | |
2702 | ||
2703 | static void | |
a5324a3e | 2704 | obj_coff_line (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2705 | { |
2706 | int this_base; | |
2707 | const char *name; | |
2708 | ||
2709 | if (def_symbol_in_progress == NULL) | |
2710 | { | |
2711 | obj_coff_ln (0); | |
2712 | return; | |
2713 | } | |
2714 | ||
2715 | name = S_GET_NAME (def_symbol_in_progress); | |
2716 | this_base = get_absolute_expression (); | |
2717 | ||
2718 | /* Only .bf symbols indicate the use of a new base line number; the | |
2719 | line numbers associated with .ef, .bb, .eb are relative to the | |
2720 | start of the containing function. */ | |
a5324a3e | 2721 | if (streq (".bf", name)) |
252b5132 | 2722 | { |
f8e42b8c | 2723 | line_base = this_base; |
252b5132 RH |
2724 | |
2725 | #ifndef NO_LISTING | |
2726 | { | |
2727 | extern int listing; | |
2728 | if (listing) | |
f8e42b8c | 2729 | listing_source_line ((unsigned int) line_base); |
252b5132 RH |
2730 | } |
2731 | #endif | |
2732 | } | |
2733 | ||
2734 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2735 | SA_SET_SYM_LNNO (def_symbol_in_progress, this_base); | |
2736 | ||
2737 | demand_empty_rest_of_line (); | |
2738 | } | |
2739 | ||
2740 | static void | |
a5324a3e | 2741 | obj_coff_size (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2742 | { |
2743 | if (def_symbol_in_progress == NULL) | |
2744 | { | |
2745 | as_warn (_(".size pseudo-op used outside of .def/.endef ignored.")); | |
2746 | demand_empty_rest_of_line (); | |
2747 | return; | |
f8e42b8c | 2748 | } |
252b5132 RH |
2749 | |
2750 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2751 | SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ()); | |
2752 | demand_empty_rest_of_line (); | |
2753 | } | |
2754 | ||
2755 | static void | |
a5324a3e | 2756 | obj_coff_scl (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2757 | { |
2758 | if (def_symbol_in_progress == NULL) | |
2759 | { | |
2760 | as_warn (_(".scl pseudo-op used outside of .def/.endef ignored.")); | |
2761 | demand_empty_rest_of_line (); | |
2762 | return; | |
f8e42b8c | 2763 | } |
252b5132 RH |
2764 | |
2765 | S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ()); | |
2766 | demand_empty_rest_of_line (); | |
2767 | } | |
2768 | ||
2769 | static void | |
a5324a3e | 2770 | obj_coff_tag (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2771 | { |
2772 | char *symbol_name; | |
2773 | char name_end; | |
2774 | ||
2775 | if (def_symbol_in_progress == NULL) | |
2776 | { | |
2777 | as_warn (_(".tag pseudo-op used outside of .def/.endef ignored.")); | |
2778 | demand_empty_rest_of_line (); | |
2779 | return; | |
2780 | } | |
2781 | ||
2782 | S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1); | |
2783 | symbol_name = input_line_pointer; | |
2784 | name_end = get_symbol_end (); | |
2785 | #ifdef tc_canonicalize_symbol_name | |
2786 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2787 | #endif | |
2788 | ||
2789 | /* Assume that the symbol referred to by .tag is always defined. | |
dcd619be | 2790 | This was a bad assumption. I've added find_or_make. xoxorich. */ |
252b5132 RH |
2791 | SA_SET_SYM_TAGNDX (def_symbol_in_progress, |
2792 | (long) tag_find_or_make (symbol_name)); | |
2793 | if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L) | |
f8e42b8c | 2794 | as_warn (_("tag not found for .tag %s"), symbol_name); |
252b5132 RH |
2795 | |
2796 | SF_SET_TAGGED (def_symbol_in_progress); | |
2797 | *input_line_pointer = name_end; | |
2798 | ||
2799 | demand_empty_rest_of_line (); | |
2800 | } | |
2801 | ||
2802 | static void | |
a5324a3e | 2803 | obj_coff_type (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2804 | { |
2805 | if (def_symbol_in_progress == NULL) | |
2806 | { | |
2807 | as_warn (_(".type pseudo-op used outside of .def/.endef ignored.")); | |
2808 | demand_empty_rest_of_line (); | |
2809 | return; | |
f8e42b8c | 2810 | } |
252b5132 RH |
2811 | |
2812 | S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ()); | |
2813 | ||
2814 | if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) && | |
2815 | S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF) | |
f8e42b8c | 2816 | SF_SET_FUNCTION (def_symbol_in_progress); |
252b5132 RH |
2817 | |
2818 | demand_empty_rest_of_line (); | |
2819 | } | |
2820 | ||
2821 | static void | |
a5324a3e | 2822 | obj_coff_val (int ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
2823 | { |
2824 | if (def_symbol_in_progress == NULL) | |
2825 | { | |
2826 | as_warn (_(".val pseudo-op used outside of .def/.endef ignored.")); | |
2827 | demand_empty_rest_of_line (); | |
2828 | return; | |
f8e42b8c | 2829 | } |
252b5132 RH |
2830 | |
2831 | if (is_name_beginner (*input_line_pointer)) | |
2832 | { | |
2833 | char *symbol_name = input_line_pointer; | |
2834 | char name_end = get_symbol_end (); | |
2835 | ||
2836 | #ifdef tc_canonicalize_symbol_name | |
2837 | symbol_name = tc_canonicalize_symbol_name (symbol_name); | |
2838 | #endif | |
2839 | ||
a5324a3e | 2840 | if (streq (symbol_name, ".")) |
252b5132 RH |
2841 | { |
2842 | def_symbol_in_progress->sy_frag = frag_now; | |
2843 | S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ()); | |
f8e42b8c | 2844 | /* If the .val is != from the .def (e.g. statics). */ |
252b5132 | 2845 | } |
a5324a3e | 2846 | else if (! streq (S_GET_NAME (def_symbol_in_progress), symbol_name)) |
252b5132 RH |
2847 | { |
2848 | def_symbol_in_progress->sy_value.X_op = O_symbol; | |
2849 | def_symbol_in_progress->sy_value.X_add_symbol = | |
2850 | symbol_find_or_make (symbol_name); | |
2851 | def_symbol_in_progress->sy_value.X_op_symbol = NULL; | |
2852 | def_symbol_in_progress->sy_value.X_add_number = 0; | |
2853 | ||
2854 | /* If the segment is undefined when the forward reference is | |
2855 | resolved, then copy the segment id from the forward | |
2856 | symbol. */ | |
2857 | SF_SET_GET_SEGMENT (def_symbol_in_progress); | |
2858 | ||
0561a208 ILT |
2859 | /* FIXME: gcc can generate address expressions here in |
2860 | unusual cases (search for "obscure" in sdbout.c). We | |
2861 | just ignore the offset here, thus generating incorrect | |
2862 | debugging information. We ignore the rest of the line | |
2863 | just below. */ | |
252b5132 RH |
2864 | } |
2865 | /* Otherwise, it is the name of a non debug symbol and | |
dcd619be | 2866 | its value will be calculated later. */ |
252b5132 RH |
2867 | *input_line_pointer = name_end; |
2868 | ||
2869 | /* FIXME: this is to avoid an error message in the | |
2870 | FIXME case mentioned just above. */ | |
2871 | while (! is_end_of_line[(unsigned char) *input_line_pointer]) | |
2872 | ++input_line_pointer; | |
2873 | } | |
2874 | else | |
2875 | { | |
2876 | S_SET_VALUE (def_symbol_in_progress, | |
2877 | (valueT) get_absolute_expression ()); | |
a5324a3e | 2878 | } |
252b5132 RH |
2879 | |
2880 | demand_empty_rest_of_line (); | |
2881 | } | |
2882 | ||
2883 | #ifdef TE_PE | |
2884 | ||
2885 | /* Handle the .linkonce pseudo-op. This is parsed by s_linkonce in | |
2886 | read.c, which then calls this object file format specific routine. */ | |
2887 | ||
2888 | void | |
a5324a3e | 2889 | obj_coff_pe_handle_link_once (enum linkonce_type type) |
252b5132 RH |
2890 | { |
2891 | seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT; | |
2892 | ||
2893 | /* We store the type in the seg_info structure, and use it to set up | |
2894 | the auxiliary entry for the section symbol in c_section_symbol. */ | |
2895 | seg_info (now_seg)->linkonce = type; | |
2896 | } | |
2897 | ||
2898 | #endif /* TE_PE */ | |
2899 | ||
2900 | void | |
a5324a3e | 2901 | coff_obj_read_begin_hook (void) |
252b5132 | 2902 | { |
dcd619be | 2903 | /* These had better be the same. Usually 18 bytes. */ |
252b5132 RH |
2904 | #ifndef BFD_HEADERS |
2905 | know (sizeof (SYMENT) == sizeof (AUXENT)); | |
2906 | know (SYMESZ == AUXESZ); | |
2907 | #endif | |
2908 | tag_init (); | |
2909 | } | |
2910 | ||
2911 | /* This function runs through the symbol table and puts all the | |
f8e42b8c | 2912 | externals onto another chain. */ |
252b5132 RH |
2913 | |
2914 | /* The chain of globals. */ | |
2915 | symbolS *symbol_globalP; | |
2916 | symbolS *symbol_global_lastP; | |
2917 | ||
f8e42b8c | 2918 | /* The chain of externals. */ |
252b5132 RH |
2919 | symbolS *symbol_externP; |
2920 | symbolS *symbol_extern_lastP; | |
2921 | ||
2922 | stack *block_stack; | |
2923 | symbolS *last_functionP; | |
2924 | static symbolS *last_bfP; | |
2925 | symbolS *last_tagP; | |
2926 | ||
2927 | static unsigned int | |
a5324a3e | 2928 | yank_symbols (void) |
252b5132 RH |
2929 | { |
2930 | symbolS *symbolP; | |
2931 | unsigned int symbol_number = 0; | |
2932 | unsigned int last_file_symno = 0; | |
252b5132 RH |
2933 | struct filename_list *filename_list_scan = filename_list_head; |
2934 | ||
2935 | for (symbolP = symbol_rootP; | |
2936 | symbolP; | |
2937 | symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP) | |
2938 | { | |
2939 | if (symbolP->sy_mri_common) | |
2940 | { | |
2941 | if (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
2942 | #ifdef TE_PE | |
2943 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
2944 | #endif | |
2945 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT) | |
2946 | as_bad (_("%s: global symbols not supported in common sections"), | |
2947 | S_GET_NAME (symbolP)); | |
2948 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2949 | continue; | |
2950 | } | |
2951 | ||
2952 | if (!SF_GET_DEBUG (symbolP)) | |
2953 | { | |
f8e42b8c | 2954 | /* Debug symbols do not need all this rubbish. */ |
252b5132 RH |
2955 | symbolS *real_symbolP; |
2956 | ||
dcd619be | 2957 | /* L* and C_EFCN symbols never merge. */ |
252b5132 RH |
2958 | if (!SF_GET_LOCAL (symbolP) |
2959 | && !SF_GET_STATICS (symbolP) | |
2960 | && S_GET_STORAGE_CLASS (symbolP) != C_LABEL | |
2961 | && symbolP->sy_value.X_op == O_constant | |
91c4c449 | 2962 | && (real_symbolP = symbol_find (S_GET_NAME (symbolP))) |
252b5132 RH |
2963 | && real_symbolP != symbolP) |
2964 | { | |
2965 | /* FIXME-SOON: where do dups come from? | |
dcd619be | 2966 | Maybe tag references before definitions? xoxorich. */ |
252b5132 | 2967 | /* Move the debug data from the debug symbol to the |
aaa2624b | 2968 | real symbol. Do NOT do the opposite (i.e. move from |
252b5132 RH |
2969 | real symbol to debug symbol and remove real symbol from the |
2970 | list.) Because some pointers refer to the real symbol | |
dcd619be | 2971 | whereas no pointers refer to the debug symbol. */ |
252b5132 | 2972 | c_symbol_merge (symbolP, real_symbolP); |
f8e42b8c | 2973 | /* Replace the current symbol by the real one. */ |
252b5132 RH |
2974 | /* The symbols will never be the last or the first |
2975 | because : 1st symbol is .file and 3 last symbols are | |
f8e42b8c | 2976 | .text, .data, .bss. */ |
252b5132 RH |
2977 | symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP); |
2978 | symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP); | |
2979 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
2980 | symbolP = real_symbolP; | |
f8e42b8c | 2981 | } |
252b5132 RH |
2982 | |
2983 | if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1)) | |
f8e42b8c | 2984 | S_SET_SEGMENT (symbolP, SEG_E0); |
252b5132 | 2985 | |
6386f3a7 | 2986 | resolve_symbol_value (symbolP); |
252b5132 RH |
2987 | |
2988 | if (S_GET_STORAGE_CLASS (symbolP) == C_NULL) | |
2989 | { | |
2990 | if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP)) | |
a5324a3e | 2991 | S_SET_EXTERNAL (symbolP); |
f8e42b8c | 2992 | |
252b5132 | 2993 | else if (S_GET_SEGMENT (symbolP) == SEG_E0) |
f8e42b8c NC |
2994 | S_SET_STORAGE_CLASS (symbolP, C_LABEL); |
2995 | ||
252b5132 | 2996 | else |
f8e42b8c | 2997 | S_SET_STORAGE_CLASS (symbolP, C_STAT); |
252b5132 RH |
2998 | } |
2999 | ||
f8e42b8c | 3000 | /* Mainly to speed up if not -g. */ |
252b5132 RH |
3001 | if (SF_GET_PROCESS (symbolP)) |
3002 | { | |
dcd619be | 3003 | /* Handle the nested blocks auxiliary info. */ |
252b5132 RH |
3004 | if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK) |
3005 | { | |
a5324a3e | 3006 | if (streq (S_GET_NAME (symbolP), ".bb")) |
252b5132 RH |
3007 | stack_push (block_stack, (char *) &symbolP); |
3008 | else | |
f8e42b8c NC |
3009 | { |
3010 | /* .eb */ | |
3011 | symbolS *begin_symbolP; | |
3012 | ||
252b5132 | 3013 | begin_symbolP = *(symbolS **) stack_pop (block_stack); |
a5324a3e | 3014 | if (begin_symbolP == NULL) |
252b5132 RH |
3015 | as_warn (_("mismatched .eb")); |
3016 | else | |
3017 | SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2); | |
3018 | } | |
3019 | } | |
a5324a3e | 3020 | |
252b5132 RH |
3021 | /* If we are able to identify the type of a function, and we |
3022 | are out of a function (last_functionP == 0) then, the | |
3023 | function symbol will be associated with an auxiliary | |
dcd619be | 3024 | entry. */ |
a5324a3e | 3025 | if (last_functionP == NULL && SF_GET_FUNCTION (symbolP)) |
252b5132 RH |
3026 | { |
3027 | last_functionP = symbolP; | |
3028 | ||
3029 | if (S_GET_NUMBER_AUXILIARY (symbolP) < 1) | |
f8e42b8c | 3030 | S_SET_NUMBER_AUXILIARY (symbolP, 1); |
252b5132 | 3031 | } |
a5324a3e | 3032 | |
252b5132 RH |
3033 | if (S_GET_STORAGE_CLASS (symbolP) == C_FCN) |
3034 | { | |
a5324a3e | 3035 | if (streq (S_GET_NAME (symbolP), ".bf")) |
252b5132 RH |
3036 | { |
3037 | if (last_bfP != NULL) | |
3038 | SA_SET_SYM_ENDNDX (last_bfP, symbol_number); | |
3039 | last_bfP = symbolP; | |
3040 | } | |
3041 | } | |
3042 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN) | |
3043 | { | |
3044 | /* I don't even know if this is needed for sdb. But | |
3045 | the standard assembler generates it, so... */ | |
a5324a3e | 3046 | if (last_functionP == NULL) |
252b5132 RH |
3047 | as_fatal (_("C_EFCN symbol out of scope")); |
3048 | SA_SET_SYM_FSIZE (last_functionP, | |
3049 | (long) (S_GET_VALUE (symbolP) - | |
3050 | S_GET_VALUE (last_functionP))); | |
3051 | SA_SET_SYM_ENDNDX (last_functionP, symbol_number); | |
a5324a3e | 3052 | last_functionP = NULL; |
252b5132 RH |
3053 | } |
3054 | } | |
3055 | } | |
3056 | else if (SF_GET_TAG (symbolP)) | |
a5324a3e NC |
3057 | /* First descriptor of a structure must point to |
3058 | the first slot after the structure description. */ | |
3059 | last_tagP = symbolP; | |
252b5132 | 3060 | |
252b5132 | 3061 | else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS) |
a5324a3e NC |
3062 | /* +2 take in account the current symbol. */ |
3063 | SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2); | |
3064 | ||
252b5132 RH |
3065 | else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE) |
3066 | { | |
3067 | /* If the filename was too long to fit in the | |
f8e42b8c | 3068 | auxent, put it in the string table. */ |
252b5132 RH |
3069 | if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 |
3070 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3071 | { | |
3072 | SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count); | |
3073 | string_byte_count += strlen (filename_list_scan->filename) + 1; | |
3074 | filename_list_scan = filename_list_scan->next; | |
3075 | } | |
3076 | if (S_GET_VALUE (symbolP)) | |
3077 | { | |
3078 | S_SET_VALUE (symbolP, last_file_symno); | |
3079 | last_file_symno = symbol_number; | |
f8e42b8c NC |
3080 | } |
3081 | } | |
252b5132 RH |
3082 | |
3083 | #ifdef tc_frob_coff_symbol | |
3084 | tc_frob_coff_symbol (symbolP); | |
3085 | #endif | |
3086 | ||
3087 | /* We must put the external symbols apart. The loader | |
3088 | does not bomb if we do not. But the references in | |
3089 | the endndx field for a .bb symbol are not corrected | |
3090 | if an external symbol is removed between .bb and .be. | |
3091 | I.e in the following case : | |
3092 | [20] .bb endndx = 22 | |
3093 | [21] foo external | |
3094 | [22] .be | |
3095 | ld will move the symbol 21 to the end of the list but | |
dcd619be | 3096 | endndx will still be 22 instead of 21. */ |
252b5132 RH |
3097 | |
3098 | if (SF_GET_LOCAL (symbolP)) | |
a5324a3e NC |
3099 | /* Remove C_EFCN and LOCAL (L...) symbols. */ |
3100 | /* Next pointer remains valid. */ | |
3101 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
252b5132 | 3102 | |
252b5132 RH |
3103 | else if (symbolP->sy_value.X_op == O_symbol |
3104 | && (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP))) | |
a5324a3e NC |
3105 | /* Skip symbols which were equated to undefined or common |
3106 | symbols. */ | |
3107 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3108 | ||
252b5132 RH |
3109 | else if (!S_IS_DEFINED (symbolP) |
3110 | && !S_IS_DEBUG (symbolP) | |
3111 | && !SF_GET_STATICS (symbolP) | |
3112 | && (S_GET_STORAGE_CLASS (symbolP) == C_EXT | |
3113 | #ifdef TE_PE | |
3114 | || S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK | |
3115 | #endif | |
3116 | || S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)) | |
3117 | { | |
f8e42b8c | 3118 | /* If external, Remove from the list. */ |
252b5132 RH |
3119 | symbolS *hold = symbol_previous (symbolP); |
3120 | ||
3121 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
3122 | symbol_clear_list_pointers (symbolP); | |
3123 | symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP); | |
3124 | symbolP = hold; | |
3125 | } | |
3126 | else if (! S_IS_DEBUG (symbolP) | |
3127 | && ! SF_GET_STATICS (symbolP) | |
3128 | && ! SF_GET_FUNCTION (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_NT_WEAK)) | |
3134 | { | |
3135 | symbolS *hold = symbol_previous (symbolP); | |
3136 | ||
3137 | /* The O'Reilly COFF book says that defined global symbols | |
3138 | come at the end of the symbol table, just before | |
3139 | undefined global symbols. */ | |
252b5132 RH |
3140 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); |
3141 | symbol_clear_list_pointers (symbolP); | |
3142 | symbol_append (symbolP, symbol_global_lastP, &symbol_globalP, | |
3143 | &symbol_global_lastP); | |
3144 | symbolP = hold; | |
3145 | } | |
3146 | else | |
3147 | { | |
3148 | if (SF_GET_STRING (symbolP)) | |
3149 | { | |
3150 | symbolP->sy_name_offset = string_byte_count; | |
3151 | string_byte_count += strlen (S_GET_NAME (symbolP)) + 1; | |
3152 | } | |
3153 | else | |
a5324a3e | 3154 | symbolP->sy_name_offset = 0; |
252b5132 RH |
3155 | |
3156 | symbolP->sy_number = symbol_number; | |
3157 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
f8e42b8c NC |
3158 | } |
3159 | } | |
252b5132 | 3160 | |
f8e42b8c | 3161 | return symbol_number; |
252b5132 RH |
3162 | } |
3163 | ||
252b5132 | 3164 | static unsigned int |
a5324a3e | 3165 | glue_symbols (symbolS **head, symbolS **tail) |
252b5132 RH |
3166 | { |
3167 | unsigned int symbol_number = 0; | |
3168 | ||
3169 | while (*head != NULL) | |
3170 | { | |
3171 | symbolS *tmp = *head; | |
3172 | ||
f8e42b8c | 3173 | /* Append. */ |
252b5132 RH |
3174 | symbol_remove (tmp, head, tail); |
3175 | symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP); | |
3176 | ||
f8e42b8c | 3177 | /* Process. */ |
252b5132 RH |
3178 | if (SF_GET_STRING (tmp)) |
3179 | { | |
3180 | tmp->sy_name_offset = string_byte_count; | |
3181 | string_byte_count += strlen (S_GET_NAME (tmp)) + 1; | |
3182 | } | |
3183 | else | |
a5324a3e NC |
3184 | /* Fix "long" names. */ |
3185 | tmp->sy_name_offset = 0; | |
252b5132 RH |
3186 | |
3187 | tmp->sy_number = symbol_number; | |
3188 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp); | |
f8e42b8c | 3189 | } |
252b5132 RH |
3190 | |
3191 | return symbol_number; | |
3192 | } | |
3193 | ||
3194 | static unsigned int | |
a5324a3e | 3195 | tie_tags (void) |
252b5132 RH |
3196 | { |
3197 | unsigned int symbol_number = 0; | |
3198 | symbolS *symbolP; | |
3199 | ||
3200 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
3201 | { | |
3202 | symbolP->sy_number = symbol_number; | |
3203 | ||
3204 | if (SF_GET_TAGGED (symbolP)) | |
3205 | { | |
3206 | SA_SET_SYM_TAGNDX | |
3207 | (symbolP, | |
3208 | ((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number); | |
3209 | } | |
3210 | ||
3211 | symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP); | |
3212 | } | |
3213 | ||
3214 | return symbol_number; | |
3215 | } | |
3216 | ||
f8e42b8c | 3217 | |
a5324a3e NC |
3218 | /* Build a 'section static' symbol. */ |
3219 | ||
3220 | static symbolS * | |
3221 | c_section_symbol (char *name, int idx) | |
3222 | { | |
3223 | symbolS *symbolP; | |
3224 | ||
91c4c449 | 3225 | symbolP = symbol_find (name); |
a5324a3e NC |
3226 | if (symbolP == NULL) |
3227 | symbolP = symbol_new (name, idx, 0, &zero_address_frag); | |
3228 | else | |
3229 | { | |
3230 | /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */ | |
3231 | S_SET_SEGMENT (symbolP, idx); | |
3232 | symbolP->sy_frag = &zero_address_frag; | |
3233 | } | |
3234 | ||
3235 | S_SET_STORAGE_CLASS (symbolP, C_STAT); | |
3236 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
3237 | ||
3238 | SF_SET_STATICS (symbolP); | |
3239 | ||
3240 | #ifdef TE_DELTA | |
3241 | /* manfred@s-direktnet.de: section symbols *must* have the LOCAL bit cleared, | |
3242 | which is set by the new definition of LOCAL_LABEL in tc-m68k.h. */ | |
3243 | SF_CLEAR_LOCAL (symbolP); | |
3244 | #endif | |
3245 | #ifdef TE_PE | |
3246 | /* If the .linkonce pseudo-op was used for this section, we must | |
3247 | store the information in the auxiliary entry for the section | |
3248 | symbol. */ | |
3249 | if (segment_info[idx].linkonce != LINKONCE_UNSET) | |
3250 | { | |
3251 | int type; | |
3252 | ||
3253 | switch (segment_info[idx].linkonce) | |
3254 | { | |
3255 | default: | |
3256 | abort (); | |
3257 | case LINKONCE_DISCARD: | |
3258 | type = IMAGE_COMDAT_SELECT_ANY; | |
3259 | break; | |
3260 | case LINKONCE_ONE_ONLY: | |
3261 | type = IMAGE_COMDAT_SELECT_NODUPLICATES; | |
3262 | break; | |
3263 | case LINKONCE_SAME_SIZE: | |
3264 | type = IMAGE_COMDAT_SELECT_SAME_SIZE; | |
3265 | break; | |
3266 | case LINKONCE_SAME_CONTENTS: | |
3267 | type = IMAGE_COMDAT_SELECT_EXACT_MATCH; | |
3268 | break; | |
3269 | } | |
3270 | ||
3271 | SYM_AUXENT (symbolP)->x_scn.x_comdat = type; | |
3272 | } | |
3273 | #endif /* TE_PE */ | |
3274 | ||
3275 | return symbolP; | |
3276 | } | |
3277 | ||
252b5132 | 3278 | static void |
a5324a3e | 3279 | crawl_symbols (object_headers *h, bfd *abfd ATTRIBUTE_UNUSED) |
252b5132 RH |
3280 | { |
3281 | unsigned int i; | |
3282 | ||
f8e42b8c | 3283 | /* Initialize the stack used to keep track of the matching .bb .be. */ |
252b5132 RH |
3284 | block_stack = stack_init (512, sizeof (symbolS *)); |
3285 | ||
3286 | /* The symbol list should be ordered according to the following sequence | |
f8e42b8c NC |
3287 | order : |
3288 | . .file symbol | |
3289 | . debug entries for functions | |
3290 | . fake symbols for the sections, including .text .data and .bss | |
3291 | . defined symbols | |
3292 | . undefined symbols | |
3293 | But this is not mandatory. The only important point is to put the | |
3294 | undefined symbols at the end of the list. */ | |
252b5132 | 3295 | |
dcd619be | 3296 | /* Is there a .file symbol ? If not insert one at the beginning. */ |
252b5132 RH |
3297 | if (symbol_rootP == NULL |
3298 | || S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE) | |
a4528eeb | 3299 | c_dot_file_symbol ("fake", 0); |
252b5132 | 3300 | |
f8e42b8c | 3301 | /* Build up static symbols for the sections, they are filled in later. */ |
252b5132 RH |
3302 | for (i = SEG_E0; i < SEG_LAST; i++) |
3303 | if (segment_info[i].scnhdr.s_name[0]) | |
f8e42b8c | 3304 | segment_info[i].dot = c_section_symbol ((char *) segment_info[i].name, |
252b5132 RH |
3305 | i - SEG_E0 + 1); |
3306 | ||
f8e42b8c | 3307 | /* Take all the externals out and put them into another chain. */ |
252b5132 | 3308 | H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ()); |
f8e42b8c | 3309 | /* Take the externals and glue them onto the end. */ |
252b5132 RH |
3310 | H_SET_SYMBOL_TABLE_SIZE (h, |
3311 | (H_GET_SYMBOL_COUNT (h) | |
3312 | + glue_symbols (&symbol_globalP, | |
3313 | &symbol_global_lastP) | |
3314 | + glue_symbols (&symbol_externP, | |
3315 | &symbol_extern_lastP))); | |
3316 | ||
3317 | H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ()); | |
3318 | know (symbol_globalP == NULL); | |
3319 | know (symbol_global_lastP == NULL); | |
3320 | know (symbol_externP == NULL); | |
3321 | know (symbol_extern_lastP == NULL); | |
3322 | } | |
3323 | ||
f8e42b8c | 3324 | /* Find strings by crawling along symbol table chain. */ |
252b5132 | 3325 | |
a5324a3e NC |
3326 | static void |
3327 | w_strings (char *where) | |
252b5132 RH |
3328 | { |
3329 | symbolS *symbolP; | |
3330 | struct filename_list *filename_list_scan = filename_list_head; | |
3331 | ||
f8e42b8c | 3332 | /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK. */ |
252b5132 RH |
3333 | md_number_to_chars (where, (valueT) string_byte_count, 4); |
3334 | where += 4; | |
3335 | ||
3336 | #ifdef COFF_LONG_SECTION_NAMES | |
3337 | /* Support long section names as found in PE. This code must | |
3338 | coordinate with that in coff_header_append and write_object_file. */ | |
3339 | { | |
3340 | unsigned int i; | |
3341 | ||
3342 | for (i = SEG_E0; i < SEG_LAST; i++) | |
3343 | { | |
3344 | if (segment_info[i].scnhdr.s_name[0] | |
3345 | && strlen (segment_info[i].name) > SCNNMLEN) | |
3346 | { | |
3347 | unsigned int size; | |
3348 | ||
3349 | size = strlen (segment_info[i].name) + 1; | |
3350 | memcpy (where, segment_info[i].name, size); | |
3351 | where += size; | |
3352 | } | |
3353 | } | |
3354 | } | |
3355 | #endif /* COFF_LONG_SECTION_NAMES */ | |
3356 | ||
3357 | for (symbolP = symbol_rootP; | |
3358 | symbolP; | |
3359 | symbolP = symbol_next (symbolP)) | |
3360 | { | |
3361 | unsigned int size; | |
3362 | ||
3363 | if (SF_GET_STRING (symbolP)) | |
3364 | { | |
3365 | size = strlen (S_GET_NAME (symbolP)) + 1; | |
3366 | memcpy (where, S_GET_NAME (symbolP), size); | |
3367 | where += size; | |
3368 | } | |
3369 | if (S_GET_STORAGE_CLASS (symbolP) == C_FILE | |
3370 | && SA_GET_FILE_FNAME_ZEROS (symbolP) == 0 | |
3371 | && SA_GET_FILE_FNAME_OFFSET (symbolP) != 0) | |
3372 | { | |
3373 | size = strlen (filename_list_scan->filename) + 1; | |
3374 | memcpy (where, filename_list_scan->filename, size); | |
3375 | filename_list_scan = filename_list_scan ->next; | |
3376 | where += size; | |
3377 | } | |
3378 | } | |
3379 | } | |
3380 | ||
3381 | static void | |
a5324a3e NC |
3382 | do_linenos_for (bfd * abfd, |
3383 | object_headers * h, | |
3384 | unsigned long *file_cursor) | |
252b5132 RH |
3385 | { |
3386 | unsigned int idx; | |
3387 | unsigned long start = *file_cursor; | |
3388 | ||
3389 | for (idx = SEG_E0; idx < SEG_LAST; idx++) | |
3390 | { | |
3391 | segment_info_type *s = segment_info + idx; | |
3392 | ||
252b5132 RH |
3393 | if (s->scnhdr.s_nlnno != 0) |
3394 | { | |
3395 | struct lineno_list *line_ptr; | |
a5324a3e | 3396 | struct external_lineno *buffer = xmalloc (s->scnhdr.s_nlnno * LINESZ); |
252b5132 RH |
3397 | struct external_lineno *dst = buffer; |
3398 | ||
3399 | /* Run through the table we've built and turn it into its external | |
f8e42b8c | 3400 | form, take this chance to remove duplicates. */ |
252b5132 RH |
3401 | |
3402 | for (line_ptr = s->lineno_list_head; | |
3403 | line_ptr != (struct lineno_list *) NULL; | |
3404 | line_ptr = line_ptr->next) | |
3405 | { | |
252b5132 RH |
3406 | if (line_ptr->line.l_lnno == 0) |
3407 | { | |
ea3b9044 NC |
3408 | /* Turn a pointer to a symbol into the symbols' index, |
3409 | provided that it has been initialised. */ | |
3410 | if (line_ptr->line.l_addr.l_symndx) | |
3411 | line_ptr->line.l_addr.l_symndx = | |
3412 | ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number; | |
252b5132 RH |
3413 | } |
3414 | else | |
f8e42b8c | 3415 | line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address; |
252b5132 | 3416 | |
252b5132 RH |
3417 | (void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst); |
3418 | dst++; | |
252b5132 RH |
3419 | } |
3420 | ||
3421 | s->scnhdr.s_lnnoptr = *file_cursor; | |
3422 | ||
0e1a166b | 3423 | bfd_bwrite (buffer, (bfd_size_type) s->scnhdr.s_nlnno * LINESZ, abfd); |
252b5132 RH |
3424 | free (buffer); |
3425 | ||
3426 | *file_cursor += s->scnhdr.s_nlnno * LINESZ; | |
3427 | } | |
3428 | } | |
f8e42b8c | 3429 | |
252b5132 RH |
3430 | H_SET_LINENO_SIZE (h, *file_cursor - start); |
3431 | } | |
3432 | ||
252b5132 RH |
3433 | /* Now we run through the list of frag chains in a segment and |
3434 | make all the subsegment frags appear at the end of the | |
f8e42b8c | 3435 | list, as if the seg 0 was extra long. */ |
252b5132 RH |
3436 | |
3437 | static void | |
a5324a3e | 3438 | remove_subsegs (void) |
252b5132 RH |
3439 | { |
3440 | unsigned int i; | |
3441 | ||
3442 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
3443 | { | |
3444 | frchainS *head = segment_info[i].frchainP; | |
3445 | fragS dummy; | |
3446 | fragS *prev_frag = &dummy; | |
3447 | ||
3448 | while (head && head->frch_seg == i) | |
3449 | { | |
3450 | prev_frag->fr_next = head->frch_root; | |
3451 | prev_frag = head->frch_last; | |
3452 | head = head->frch_next; | |
3453 | } | |
3454 | prev_frag->fr_next = 0; | |
3455 | } | |
3456 | } | |
3457 | ||
3458 | unsigned long machine; | |
3459 | int coff_flags; | |
f8e42b8c | 3460 | |
18e1d487 AM |
3461 | #ifndef SUB_SEGMENT_ALIGN |
3462 | #ifdef HANDLE_ALIGN | |
aaa2624b | 3463 | /* The last subsegment gets an alignment corresponding to the alignment |
18e1d487 AM |
3464 | of the section. This allows proper nop-filling at the end of |
3465 | code-bearing sections. */ | |
3466 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \ | |
3467 | (!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \ | |
3468 | ? get_recorded_alignment (SEG) : 0) | |
3469 | #else | |
3470 | #define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 1 | |
3471 | #endif | |
3472 | #endif | |
3473 | ||
a5324a3e NC |
3474 | static void |
3475 | w_symbols (bfd * abfd, char *where, symbolS * symbol_rootP) | |
252b5132 | 3476 | { |
a5324a3e NC |
3477 | symbolS *symbolP; |
3478 | unsigned int i; | |
252b5132 | 3479 | |
a5324a3e NC |
3480 | /* First fill in those values we have only just worked out. */ |
3481 | for (i = SEG_E0; i < SEG_LAST; i++) | |
252b5132 | 3482 | { |
a5324a3e NC |
3483 | symbolP = segment_info[i].dot; |
3484 | if (symbolP) | |
3485 | { | |
3486 | SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size); | |
3487 | SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc); | |
3488 | SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno); | |
3489 | } | |
252b5132 | 3490 | } |
252b5132 | 3491 | |
a5324a3e NC |
3492 | /* Emit all symbols left in the symbol chain. */ |
3493 | for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP)) | |
252b5132 | 3494 | { |
a5324a3e NC |
3495 | /* Used to save the offset of the name. It is used to point |
3496 | to the string in memory but must be a file offset. */ | |
3497 | char *temp; | |
252b5132 | 3498 | |
a5324a3e NC |
3499 | /* We can't fix the lnnoptr field in yank_symbols with the other |
3500 | adjustments, because we have to wait until we know where they | |
3501 | go in the file. */ | |
3502 | if (SF_GET_ADJ_LNNOPTR (symbolP)) | |
3503 | SA_GET_SYM_LNNOPTR (symbolP) += | |
3504 | segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr; | |
b9e57a38 | 3505 | |
a5324a3e | 3506 | tc_coff_symbol_emit_hook (symbolP); |
18e1d487 | 3507 | |
a5324a3e NC |
3508 | temp = S_GET_NAME (symbolP); |
3509 | if (SF_GET_STRING (symbolP)) | |
3510 | { | |
3511 | S_SET_OFFSET (symbolP, symbolP->sy_name_offset); | |
3512 | S_SET_ZEROES (symbolP, 0); | |
3513 | } | |
0a9ef439 | 3514 | else |
a5324a3e NC |
3515 | { |
3516 | memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN); | |
3517 | strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN); | |
3518 | } | |
3519 | where = symbol_to_chars (abfd, where, symbolP); | |
3520 | S_SET_NAME (symbolP, temp); | |
252b5132 | 3521 | } |
a5324a3e | 3522 | } |
252b5132 | 3523 | |
a5324a3e NC |
3524 | static void |
3525 | fixup_mdeps (fragS *frags, | |
3526 | object_headers *h ATTRIBUTE_UNUSED, | |
3527 | segT this_segment) | |
3528 | { | |
3529 | subseg_change (this_segment, 0); | |
252b5132 | 3530 | |
a5324a3e | 3531 | while (frags) |
252b5132 | 3532 | { |
a5324a3e | 3533 | switch (frags->fr_type) |
252b5132 | 3534 | { |
a5324a3e NC |
3535 | case rs_align: |
3536 | case rs_align_code: | |
3537 | case rs_align_test: | |
3538 | case rs_org: | |
3539 | #ifdef HANDLE_ALIGN | |
3540 | HANDLE_ALIGN (frags); | |
3541 | #endif | |
3542 | frags->fr_type = rs_fill; | |
3543 | frags->fr_offset = | |
3544 | ((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix) | |
3545 | / frags->fr_var); | |
3546 | break; | |
3547 | case rs_machine_dependent: | |
3548 | md_convert_frag (h, this_segment, frags); | |
3549 | frag_wane (frags); | |
3550 | break; | |
3551 | default: | |
3552 | ; | |
252b5132 | 3553 | } |
a5324a3e NC |
3554 | frags = frags->fr_next; |
3555 | } | |
3556 | } | |
252b5132 | 3557 | |
a5324a3e NC |
3558 | #ifndef TC_FORCE_RELOCATION |
3559 | #define TC_FORCE_RELOCATION(fix) 0 | |
252b5132 RH |
3560 | #endif |
3561 | ||
a5324a3e NC |
3562 | static void |
3563 | fixup_segment (segment_info_type * segP, segT this_segment_type) | |
3564 | { | |
3565 | fixS * fixP; | |
3566 | symbolS *add_symbolP; | |
3567 | symbolS *sub_symbolP; | |
3568 | long add_number; | |
3569 | int size; | |
3570 | char *place; | |
3571 | long where; | |
3572 | char pcrel; | |
3573 | fragS *fragP; | |
3574 | segT add_symbol_segment = absolute_section; | |
252b5132 | 3575 | |
a5324a3e NC |
3576 | for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next) |
3577 | { | |
3578 | fragP = fixP->fx_frag; | |
3579 | know (fragP); | |
3580 | where = fixP->fx_where; | |
3581 | place = fragP->fr_literal + where; | |
3582 | size = fixP->fx_size; | |
3583 | add_symbolP = fixP->fx_addsy; | |
3584 | sub_symbolP = fixP->fx_subsy; | |
3585 | add_number = fixP->fx_offset; | |
3586 | pcrel = fixP->fx_pcrel; | |
252b5132 | 3587 | |
a5324a3e NC |
3588 | /* We want function-relative stabs to work on systems which |
3589 | may use a relaxing linker; thus we must handle the sym1-sym2 | |
3590 | fixups function-relative stabs generates. | |
252b5132 | 3591 | |
a5324a3e NC |
3592 | Of course, if you actually enable relaxing in the linker, the |
3593 | line and block scoping information is going to be incorrect | |
3594 | in some cases. The only way to really fix this is to support | |
3595 | a reloc involving the difference of two symbols. */ | |
3596 | if (linkrelax | |
3597 | && (!sub_symbolP || pcrel)) | |
3598 | continue; | |
252b5132 | 3599 | |
a5324a3e NC |
3600 | #ifdef TC_I960 |
3601 | if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP)) | |
3602 | { | |
3603 | /* Relocation should be done via the associated 'bal' entry | |
3604 | point symbol. */ | |
3605 | if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP))) | |
3606 | { | |
3607 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3608 | _("No 'bal' entry point for leafproc %s"), | |
3609 | S_GET_NAME (add_symbolP)); | |
3610 | continue; | |
3611 | } | |
3612 | fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP); | |
3613 | } | |
252b5132 RH |
3614 | #endif |
3615 | ||
a5324a3e NC |
3616 | /* Make sure the symbols have been resolved; this may not have |
3617 | happened if these are expression symbols. */ | |
3618 | if (add_symbolP != NULL && ! add_symbolP->sy_resolved) | |
3619 | resolve_symbol_value (add_symbolP); | |
252b5132 | 3620 | |
a5324a3e NC |
3621 | if (add_symbolP != NULL) |
3622 | { | |
3623 | /* If this fixup is against a symbol which has been equated | |
3624 | to another symbol, convert it to the other symbol. */ | |
3625 | if (add_symbolP->sy_value.X_op == O_symbol | |
3626 | && (! S_IS_DEFINED (add_symbolP) | |
3627 | || S_IS_COMMON (add_symbolP))) | |
3628 | { | |
3629 | while (add_symbolP->sy_value.X_op == O_symbol | |
3630 | && (! S_IS_DEFINED (add_symbolP) | |
3631 | || S_IS_COMMON (add_symbolP))) | |
3632 | { | |
3633 | symbolS *n; | |
252b5132 | 3634 | |
a5324a3e NC |
3635 | /* We must avoid looping, as that can occur with a |
3636 | badly written program. */ | |
3637 | n = add_symbolP->sy_value.X_add_symbol; | |
3638 | if (n == add_symbolP) | |
3639 | break; | |
3640 | add_number += add_symbolP->sy_value.X_add_number; | |
3641 | add_symbolP = n; | |
3642 | } | |
3643 | fixP->fx_addsy = add_symbolP; | |
3644 | fixP->fx_offset = add_number; | |
3645 | } | |
3646 | } | |
252b5132 | 3647 | |
a5324a3e NC |
3648 | if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved) |
3649 | resolve_symbol_value (sub_symbolP); | |
252b5132 | 3650 | |
a5324a3e NC |
3651 | if (add_symbolP != NULL |
3652 | && add_symbolP->sy_mri_common) | |
3653 | { | |
3654 | add_number += S_GET_VALUE (add_symbolP); | |
3655 | fixP->fx_offset = add_number; | |
3656 | add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol; | |
3657 | } | |
252b5132 | 3658 | |
a5324a3e NC |
3659 | if (add_symbolP) |
3660 | add_symbol_segment = S_GET_SEGMENT (add_symbolP); | |
252b5132 | 3661 | |
a5324a3e NC |
3662 | if (sub_symbolP) |
3663 | { | |
3664 | if (add_symbolP == NULL || add_symbol_segment == absolute_section) | |
3665 | { | |
3666 | if (add_symbolP != NULL) | |
3667 | { | |
3668 | add_number += S_GET_VALUE (add_symbolP); | |
3669 | add_symbolP = NULL; | |
3670 | fixP->fx_addsy = NULL; | |
3671 | } | |
252b5132 | 3672 | |
a5324a3e NC |
3673 | /* It's just -sym. */ |
3674 | if (S_GET_SEGMENT (sub_symbolP) == absolute_section) | |
3675 | { | |
3676 | add_number -= S_GET_VALUE (sub_symbolP); | |
3677 | fixP->fx_subsy = 0; | |
3678 | fixP->fx_done = 1; | |
3679 | } | |
3680 | else | |
3681 | { | |
3682 | #ifndef TC_M68K | |
3683 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3684 | _("Negative of non-absolute symbol %s"), | |
3685 | S_GET_NAME (sub_symbolP)); | |
252b5132 | 3686 | #endif |
a5324a3e NC |
3687 | add_number -= S_GET_VALUE (sub_symbolP); |
3688 | } /* not absolute */ | |
252b5132 | 3689 | |
a5324a3e NC |
3690 | /* If sub_symbol is in the same segment that add_symbol |
3691 | and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE. */ | |
3692 | } | |
3693 | else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment | |
3694 | && SEG_NORMAL (add_symbol_segment)) | |
3695 | { | |
3696 | /* Difference of 2 symbols from same segment. Can't | |
3697 | make difference of 2 undefineds: 'value' means | |
3698 | something different for N_UNDF. */ | |
3699 | #ifdef TC_I960 | |
3700 | /* Makes no sense to use the difference of 2 arbitrary symbols | |
3701 | as the target of a call instruction. */ | |
3702 | if (fixP->fx_tcbit) | |
3703 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3704 | _("callj to difference of 2 symbols")); | |
3705 | #endif /* TC_I960 */ | |
3706 | add_number += S_GET_VALUE (add_symbolP) - | |
3707 | S_GET_VALUE (sub_symbolP); | |
3708 | add_symbolP = NULL; | |
252b5132 | 3709 | |
a5324a3e NC |
3710 | if (!TC_FORCE_RELOCATION (fixP)) |
3711 | { | |
3712 | fixP->fx_addsy = NULL; | |
3713 | fixP->fx_subsy = NULL; | |
3714 | fixP->fx_done = 1; | |
3715 | #ifdef TC_M68K /* FIXME: Is this right? */ | |
3716 | pcrel = 0; | |
3717 | fixP->fx_pcrel = 0; | |
252b5132 | 3718 | #endif |
a5324a3e NC |
3719 | } |
3720 | } | |
3721 | else | |
3722 | { | |
3723 | /* Different segments in subtraction. */ | |
3724 | know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section))); | |
252b5132 | 3725 | |
a5324a3e NC |
3726 | if ((S_GET_SEGMENT (sub_symbolP) == absolute_section)) |
3727 | add_number -= S_GET_VALUE (sub_symbolP); | |
252b5132 | 3728 | |
a5324a3e NC |
3729 | #ifdef DIFF_EXPR_OK |
3730 | else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type) | |
3731 | { | |
3732 | /* Make it pc-relative. */ | |
3733 | add_number += (md_pcrel_from (fixP) | |
3734 | - S_GET_VALUE (sub_symbolP)); | |
3735 | pcrel = 1; | |
3736 | fixP->fx_pcrel = 1; | |
3737 | sub_symbolP = 0; | |
3738 | fixP->fx_subsy = 0; | |
3739 | } | |
3740 | #endif | |
3741 | else | |
3742 | { | |
3743 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3744 | _("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."), | |
3745 | segment_name (S_GET_SEGMENT (sub_symbolP)), | |
3746 | S_GET_NAME (sub_symbolP), | |
3747 | (long) (fragP->fr_address + where)); | |
3748 | } | |
3749 | } | |
3750 | } | |
252b5132 | 3751 | |
a5324a3e NC |
3752 | if (add_symbolP) |
3753 | { | |
3754 | if (add_symbol_segment == this_segment_type && pcrel) | |
3755 | { | |
3756 | /* This fixup was made when the symbol's segment was | |
3757 | SEG_UNKNOWN, but it is now in the local segment. | |
3758 | So we know how to do the address without relocation. */ | |
3759 | #ifdef TC_I960 | |
3760 | /* reloc_callj() may replace a 'call' with a 'calls' or a 'bal', | |
3761 | in which cases it modifies *fixP as appropriate. In the case | |
3762 | of a 'calls', no further work is required, and *fixP has been | |
3763 | set up to make the rest of the code below a no-op. */ | |
3764 | reloc_callj (fixP); | |
3765 | #endif | |
252b5132 | 3766 | |
a5324a3e NC |
3767 | add_number += S_GET_VALUE (add_symbolP); |
3768 | add_number -= md_pcrel_from (fixP); | |
252b5132 | 3769 | |
a5324a3e NC |
3770 | /* We used to do |
3771 | add_number -= segP->scnhdr.s_vaddr; | |
3772 | if defined (TC_I386) || defined (TE_LYNX). I now | |
3773 | think that was an error propagated from the case when | |
3774 | we are going to emit the relocation. If we are not | |
3775 | going to emit the relocation, then we just want to | |
3776 | set add_number to the difference between the symbols. | |
3777 | This is a case that would only arise when there is a | |
3778 | PC relative reference from a section other than .text | |
3779 | to a symbol defined in the same section, and the | |
3780 | reference is not relaxed. Since jump instructions on | |
3781 | the i386 are relaxed, this could only arise with a | |
3782 | call instruction. */ | |
252b5132 | 3783 | |
a5324a3e NC |
3784 | /* Lie. Don't want further pcrel processing. */ |
3785 | pcrel = 0; | |
3786 | if (!TC_FORCE_RELOCATION (fixP)) | |
3787 | { | |
3788 | fixP->fx_addsy = NULL; | |
3789 | fixP->fx_done = 1; | |
3790 | } | |
3791 | } | |
3792 | else | |
3793 | { | |
3794 | switch (add_symbol_segment) | |
3795 | { | |
3796 | case absolute_section: | |
3797 | #ifdef TC_I960 | |
3798 | /* See comment about reloc_callj() above. */ | |
3799 | reloc_callj (fixP); | |
3800 | #endif /* TC_I960 */ | |
3801 | add_number += S_GET_VALUE (add_symbolP); | |
3802 | add_symbolP = NULL; | |
252b5132 | 3803 | |
a5324a3e NC |
3804 | if (!TC_FORCE_RELOCATION (fixP)) |
3805 | { | |
3806 | fixP->fx_addsy = NULL; | |
3807 | fixP->fx_done = 1; | |
3808 | } | |
3809 | break; | |
3810 | default: | |
3811 | ||
3812 | #if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32) | |
3813 | /* This really should be handled in the linker, but | |
3814 | backward compatibility forbids. */ | |
3815 | add_number += S_GET_VALUE (add_symbolP); | |
3816 | #else | |
3817 | add_number += S_GET_VALUE (add_symbolP) + | |
3818 | segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr; | |
252b5132 | 3819 | #endif |
a5324a3e | 3820 | break; |
252b5132 | 3821 | |
a5324a3e NC |
3822 | case SEG_UNKNOWN: |
3823 | #ifdef TC_I960 | |
3824 | if ((int) fixP->fx_bit_fixP == 13) | |
3825 | { | |
3826 | /* This is a COBR instruction. They have only a | |
3827 | 13-bit displacement and are only to be used | |
3828 | for local branches: flag as error, don't generate | |
3829 | relocation. */ | |
3830 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3831 | _("can't use COBR format with external label")); | |
3832 | fixP->fx_addsy = NULL; | |
3833 | fixP->fx_done = 1; | |
3834 | continue; | |
3835 | } | |
3836 | #endif /* TC_I960 */ | |
3837 | #if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND) | |
3838 | /* 386 COFF uses a peculiar format in which the | |
3839 | value of a common symbol is stored in the .text | |
3840 | segment (I've checked this on SVR3.2 and SCO | |
3841 | 3.2.2) Ian Taylor <ian@cygnus.com>. */ | |
3842 | /* This is also true for 68k COFF on sysv machines | |
3843 | (Checked on Motorola sysv68 R3V6 and R3V7.1, and also on | |
3844 | UNIX System V/M68000, Release 1.0 from ATT/Bell Labs) | |
3845 | Philippe De Muyter <phdm@info.ucl.ac.be>. */ | |
3846 | if (S_IS_COMMON (add_symbolP)) | |
3847 | add_number += S_GET_VALUE (add_symbolP); | |
3848 | #endif | |
3849 | break; | |
252b5132 | 3850 | |
a5324a3e NC |
3851 | } |
3852 | } | |
3853 | } | |
252b5132 | 3854 | |
a5324a3e NC |
3855 | if (pcrel) |
3856 | { | |
3857 | #if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32) | |
3858 | /* This adjustment is not correct on the m88k, for which the | |
3859 | linker does all the computation. */ | |
3860 | add_number -= md_pcrel_from (fixP); | |
3861 | #endif | |
3862 | if (add_symbolP == 0) | |
3863 | fixP->fx_addsy = &abs_symbol; | |
3864 | #if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K) | |
3865 | /* On the 386 we must adjust by the segment vaddr as well. | |
3866 | Ian Taylor. | |
252b5132 | 3867 | |
a5324a3e NC |
3868 | I changed the i960 to work this way as well. This is |
3869 | compatible with the current GNU linker behaviour. I do | |
3870 | not know what other i960 COFF assemblers do. This is not | |
3871 | a common case: normally, only assembler code will contain | |
3872 | a PC relative reloc, and only branches which do not | |
3873 | originate in the .text section will have a non-zero | |
3874 | address. | |
252b5132 | 3875 | |
a5324a3e NC |
3876 | I changed the m68k to work this way as well. This will |
3877 | break existing PC relative relocs from sections which do | |
3878 | not start at address 0, but it will make ld -r work. | |
3879 | Ian Taylor, 4 Oct 96. */ | |
252b5132 | 3880 | |
a5324a3e NC |
3881 | add_number -= segP->scnhdr.s_vaddr; |
3882 | #endif | |
3883 | } | |
252b5132 | 3884 | |
a5324a3e | 3885 | md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type); |
252b5132 | 3886 | |
a5324a3e | 3887 | if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow) |
252b5132 | 3888 | { |
a5324a3e NC |
3889 | #ifndef TC_M88K |
3890 | /* The m88k uses the offset field of the reloc to get around | |
3891 | this problem. */ | |
3892 | if ((size == 1 | |
3893 | && ((add_number & ~0xFF) | |
3894 | || (fixP->fx_signed && (add_number & 0x80))) | |
3895 | && ((add_number & ~0xFF) != (-1 & ~0xFF) | |
3896 | || (add_number & 0x80) == 0)) | |
3897 | || (size == 2 | |
3898 | && ((add_number & ~0xFFFF) | |
3899 | || (fixP->fx_signed && (add_number & 0x8000))) | |
3900 | && ((add_number & ~0xFFFF) != (-1 & ~0xFFFF) | |
3901 | || (add_number & 0x8000) == 0))) | |
252b5132 | 3902 | { |
a5324a3e NC |
3903 | as_bad_where (fixP->fx_file, fixP->fx_line, |
3904 | _("Value of %ld too large for field of %d bytes at 0x%lx"), | |
3905 | (long) add_number, size, | |
3906 | (unsigned long) (fragP->fr_address + where)); | |
252b5132 | 3907 | } |
a5324a3e NC |
3908 | #endif |
3909 | #ifdef WARN_SIGNED_OVERFLOW_WORD | |
3910 | /* Warn if a .word value is too large when treated as a | |
3911 | signed number. We already know it is not too negative. | |
3912 | This is to catch over-large switches generated by gcc on | |
3913 | the 68k. */ | |
3914 | if (!flag_signed_overflow_ok | |
3915 | && size == 2 | |
3916 | && add_number > 0x7fff) | |
3917 | as_bad_where (fixP->fx_file, fixP->fx_line, | |
3918 | _("Signed .word overflow; switch may be too large; %ld at 0x%lx"), | |
3919 | (long) add_number, | |
3920 | (unsigned long) (fragP->fr_address + where)); | |
3921 | #endif | |
252b5132 RH |
3922 | } |
3923 | } | |
252b5132 RH |
3924 | } |
3925 | ||
a5324a3e | 3926 | /* Fill in the counts in the first entry in a .stab section. */ |
252b5132 RH |
3927 | |
3928 | static void | |
a5324a3e | 3929 | adjust_stab_section (bfd *abfd, segT seg) |
252b5132 | 3930 | { |
a5324a3e NC |
3931 | segT stabstrseg = SEG_UNKNOWN; |
3932 | const char *secname, *name2; | |
3933 | char *name; | |
3934 | char *p = NULL; | |
3935 | int i, strsz = 0, nsyms; | |
3936 | fragS *frag = segment_info[seg].frchainP->frch_root; | |
252b5132 | 3937 | |
a5324a3e | 3938 | /* Look for the associated string table section. */ |
252b5132 | 3939 | |
a5324a3e NC |
3940 | secname = segment_info[seg].name; |
3941 | name = alloca (strlen (secname) + 4); | |
3942 | strcpy (name, secname); | |
3943 | strcat (name, "str"); | |
252b5132 | 3944 | |
a5324a3e | 3945 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
252b5132 | 3946 | { |
a5324a3e NC |
3947 | name2 = segment_info[i].name; |
3948 | if (name2 != NULL && strneq (name2, name, 8)) | |
3949 | { | |
3950 | stabstrseg = i; | |
3951 | break; | |
3952 | } | |
252b5132 RH |
3953 | } |
3954 | ||
a5324a3e NC |
3955 | /* If we found the section, get its size. */ |
3956 | if (stabstrseg != SEG_UNKNOWN) | |
3957 | strsz = size_section (abfd, stabstrseg); | |
252b5132 | 3958 | |
a5324a3e | 3959 | nsyms = size_section (abfd, seg) / 12 - 1; |
f8e42b8c | 3960 | |
a5324a3e NC |
3961 | /* Look for the first frag of sufficient size for the initial stab |
3962 | symbol, and collect a pointer to it. */ | |
3963 | while (frag && frag->fr_fix < 12) | |
3964 | frag = frag->fr_next; | |
3965 | assert (frag != 0); | |
3966 | p = frag->fr_literal; | |
3967 | assert (p != 0); | |
3968 | ||
3969 | /* Write in the number of stab symbols and the size of the string | |
3970 | table. */ | |
3971 | bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6); | |
3972 | bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8); | |
252b5132 RH |
3973 | } |
3974 | ||
3975 | void | |
a5324a3e | 3976 | write_object_file (void) |
252b5132 | 3977 | { |
a5324a3e NC |
3978 | int i; |
3979 | const char *name; | |
3980 | struct frchain *frchain_ptr; | |
3981 | object_headers headers; | |
3982 | unsigned long file_cursor; | |
3983 | bfd *abfd; | |
3984 | unsigned int addr; | |
3985 | abfd = bfd_openw (out_file_name, TARGET_FORMAT); | |
252b5132 | 3986 | |
a5324a3e NC |
3987 | if (abfd == 0) |
3988 | { | |
3989 | as_perror (_("FATAL: Can't create %s"), out_file_name); | |
3990 | exit (EXIT_FAILURE); | |
3991 | } | |
3992 | bfd_set_format (abfd, bfd_object); | |
3993 | bfd_set_arch_mach (abfd, BFD_ARCH, machine); | |
252b5132 | 3994 | |
a5324a3e | 3995 | string_byte_count = 4; |
252b5132 | 3996 | |
a5324a3e NC |
3997 | /* Run through all the sub-segments and align them up. Also |
3998 | close any open frags. We tack a .fill onto the end of the | |
3999 | frag chain so that any .align's size can be worked by looking | |
4000 | at the next frag. */ | |
4001 | for (frchain_ptr = frchain_root; | |
4002 | frchain_ptr != (struct frchain *) NULL; | |
4003 | frchain_ptr = frchain_ptr->frch_next) | |
252b5132 | 4004 | { |
a5324a3e | 4005 | int alignment; |
252b5132 | 4006 | |
a5324a3e | 4007 | subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg); |
252b5132 | 4008 | |
a5324a3e | 4009 | alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr); |
252b5132 | 4010 | |
a5324a3e NC |
4011 | #ifdef md_do_align |
4012 | md_do_align (alignment, NULL, 0, 0, alignment_done); | |
252b5132 | 4013 | #endif |
a5324a3e NC |
4014 | if (subseg_text_p (now_seg)) |
4015 | frag_align_code (alignment, 0); | |
4016 | else | |
4017 | frag_align (alignment, 0, 0); | |
252b5132 | 4018 | |
a5324a3e NC |
4019 | #ifdef md_do_align |
4020 | alignment_done: | |
4021 | #endif | |
252b5132 | 4022 | |
a5324a3e NC |
4023 | frag_wane (frag_now); |
4024 | frag_now->fr_fix = 0; | |
4025 | know (frag_now->fr_next == NULL); | |
252b5132 | 4026 | } |
252b5132 | 4027 | |
a5324a3e | 4028 | remove_subsegs (); |
252b5132 | 4029 | |
a5324a3e NC |
4030 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) |
4031 | relax_segment (segment_info[i].frchainP->frch_root, i); | |
252b5132 | 4032 | |
a5324a3e NC |
4033 | /* Relaxation has completed. Freeze all syms. */ |
4034 | finalize_syms = 1; | |
252b5132 | 4035 | |
a5324a3e | 4036 | H_SET_NUMBER_OF_SECTIONS (&headers, 0); |
252b5132 | 4037 | |
a5324a3e NC |
4038 | /* Find out how big the sections are, and set the addresses. */ |
4039 | addr = 0; | |
4040 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
252b5132 | 4041 | { |
a5324a3e | 4042 | long size; |
252b5132 | 4043 | |
a5324a3e NC |
4044 | segment_info[i].scnhdr.s_paddr = addr; |
4045 | segment_info[i].scnhdr.s_vaddr = addr; | |
4046 | ||
4047 | if (segment_info[i].scnhdr.s_name[0]) | |
252b5132 | 4048 | { |
a5324a3e NC |
4049 | H_SET_NUMBER_OF_SECTIONS (&headers, |
4050 | H_GET_NUMBER_OF_SECTIONS (&headers) + 1); | |
4051 | ||
4052 | #ifdef COFF_LONG_SECTION_NAMES | |
4053 | /* Support long section names as found in PE. This code | |
4054 | must coordinate with that in coff_header_append and | |
4055 | w_strings. */ | |
4056 | { | |
4057 | unsigned int len; | |
4058 | ||
4059 | len = strlen (segment_info[i].name); | |
4060 | if (len > SCNNMLEN) | |
4061 | string_byte_count += len + 1; | |
4062 | } | |
4063 | #endif /* COFF_LONG_SECTION_NAMES */ | |
252b5132 RH |
4064 | } |
4065 | ||
a5324a3e NC |
4066 | size = size_section (abfd, (unsigned int) i); |
4067 | addr += size; | |
4068 | ||
4069 | /* I think the section alignment is only used on the i960; the | |
4070 | i960 needs it, and it should do no harm on other targets. */ | |
4071 | #ifdef ALIGNMENT_IN_S_FLAGS | |
4072 | segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8; | |
4073 | #else | |
4074 | segment_info[i].scnhdr.s_align = 1 << section_alignment[i]; | |
4075 | #endif | |
4076 | ||
4077 | if (i == SEG_E0) | |
4078 | H_SET_TEXT_SIZE (&headers, size); | |
4079 | else if (i == SEG_E1) | |
4080 | H_SET_DATA_SIZE (&headers, size); | |
4081 | else if (i == SEG_E2) | |
4082 | H_SET_BSS_SIZE (&headers, size); | |
252b5132 | 4083 | } |
252b5132 | 4084 | |
a5324a3e NC |
4085 | /* Turn the gas native symbol table shape into a coff symbol table. */ |
4086 | crawl_symbols (&headers, abfd); | |
252b5132 | 4087 | |
a5324a3e NC |
4088 | if (string_byte_count == 4) |
4089 | string_byte_count = 0; | |
252b5132 | 4090 | |
a5324a3e NC |
4091 | H_SET_STRING_SIZE (&headers, string_byte_count); |
4092 | ||
4093 | #ifdef tc_frob_file | |
4094 | tc_frob_file (); | |
4095 | #endif | |
4096 | ||
4097 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
252b5132 | 4098 | { |
a5324a3e NC |
4099 | fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i); |
4100 | fixup_segment (&segment_info[i], i); | |
252b5132 RH |
4101 | } |
4102 | ||
a5324a3e NC |
4103 | /* Look for ".stab" segments and fill in their initial symbols |
4104 | correctly. */ | |
4105 | for (i = SEG_E0; i < SEG_UNKNOWN; i++) | |
252b5132 | 4106 | { |
a5324a3e | 4107 | name = segment_info[i].name; |
252b5132 | 4108 | |
a5324a3e NC |
4109 | if (name != NULL |
4110 | && strneq (".stab", name, 5) | |
4111 | && ! strneq (".stabstr", name, 8)) | |
4112 | adjust_stab_section (abfd, i); | |
4113 | } | |
252b5132 | 4114 | |
a5324a3e | 4115 | file_cursor = H_GET_TEXT_FILE_OFFSET (&headers); |
252b5132 | 4116 | |
a5324a3e | 4117 | bfd_seek (abfd, (file_ptr) file_cursor, 0); |
252b5132 | 4118 | |
a5324a3e NC |
4119 | /* Plant the data. */ |
4120 | fill_section (abfd, &headers, &file_cursor); | |
252b5132 | 4121 | |
a5324a3e | 4122 | do_relocs_for (abfd, &headers, &file_cursor); |
f8e42b8c | 4123 | |
a5324a3e NC |
4124 | do_linenos_for (abfd, &headers, &file_cursor); |
4125 | ||
4126 | H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC); | |
4127 | #ifndef OBJ_COFF_OMIT_TIMESTAMP | |
4128 | H_SET_TIME_STAMP (&headers, (long) time (NULL)); | |
4129 | #else | |
4130 | H_SET_TIME_STAMP (&headers, 0); | |
4131 | #endif | |
4132 | #ifdef TC_COFF_SET_MACHINE | |
4133 | TC_COFF_SET_MACHINE (&headers); | |
252b5132 | 4134 | #endif |
252b5132 | 4135 | |
a5324a3e NC |
4136 | #ifndef COFF_FLAGS |
4137 | #define COFF_FLAGS 0 | |
4138 | #endif | |
252b5132 | 4139 | |
a5324a3e NC |
4140 | #ifdef KEEP_RELOC_INFO |
4141 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE (&headers) ? 0 : F_LNNO) | | |
4142 | COFF_FLAGS | coff_flags)); | |
4143 | #else | |
4144 | H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE (&headers) ? 0 : F_LNNO) | | |
4145 | (H_GET_RELOCATION_SIZE (&headers) ? 0 : F_RELFLG) | | |
4146 | COFF_FLAGS | coff_flags)); | |
252b5132 RH |
4147 | #endif |
4148 | ||
a5324a3e NC |
4149 | { |
4150 | unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers); | |
4151 | char *buffer1 = xmalloc (symtable_size + string_byte_count + 1); | |
252b5132 | 4152 | |
a5324a3e NC |
4153 | H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd)); |
4154 | w_symbols (abfd, buffer1, symbol_rootP); | |
4155 | if (string_byte_count > 0) | |
4156 | w_strings (buffer1 + symtable_size); | |
4157 | bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count, | |
4158 | abfd); | |
4159 | free (buffer1); | |
4160 | } | |
252b5132 | 4161 | |
a5324a3e | 4162 | coff_header_append (abfd, &headers); |
252b5132 | 4163 | |
a5324a3e NC |
4164 | { |
4165 | extern bfd *stdoutput; | |
4166 | stdoutput = abfd; | |
4167 | } | |
4168 | } | |
252b5132 | 4169 | |
a5324a3e NC |
4170 | /* Add a new segment. This is called from subseg_new via the |
4171 | obj_new_segment macro. */ | |
252b5132 | 4172 | |
a5324a3e NC |
4173 | segT |
4174 | obj_coff_add_segment (const char *name) | |
4175 | { | |
4176 | unsigned int i; | |
252b5132 | 4177 | |
a5324a3e NC |
4178 | #ifndef COFF_LONG_SECTION_NAMES |
4179 | char buf[SCNNMLEN + 1]; | |
252b5132 | 4180 | |
a5324a3e NC |
4181 | strncpy (buf, name, SCNNMLEN); |
4182 | buf[SCNNMLEN] = '\0'; | |
4183 | name = buf; | |
4184 | #endif | |
252b5132 | 4185 | |
a5324a3e NC |
4186 | for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++) |
4187 | if (streq (name, segment_info[i].name)) | |
4188 | return (segT) i; | |
252b5132 | 4189 | |
a5324a3e NC |
4190 | if (i == SEG_LAST) |
4191 | { | |
4192 | as_bad (_("Too many new sections; can't add \"%s\""), name); | |
4193 | return now_seg; | |
4194 | } | |
252b5132 | 4195 | |
a5324a3e NC |
4196 | /* Add a new section. */ |
4197 | strncpy (segment_info[i].scnhdr.s_name, name, | |
4198 | sizeof (segment_info[i].scnhdr.s_name)); | |
4199 | segment_info[i].scnhdr.s_flags = STYP_REG; | |
4200 | segment_info[i].name = xstrdup (name); | |
252b5132 | 4201 | |
a5324a3e NC |
4202 | return (segT) i; |
4203 | } | |
252b5132 | 4204 | |
a5324a3e NC |
4205 | /* Implement the .section pseudo op: |
4206 | .section name {, "flags"} | |
4207 | ^ ^ | |
4208 | | +--- optional flags: 'b' for bss | |
4209 | | 'i' for info | |
4210 | +-- section name 'l' for lib | |
4211 | 'n' for noload | |
4212 | 'o' for over | |
4213 | 'w' for data | |
4214 | 'd' (apparently m88k for data) | |
4215 | 'x' for text | |
4216 | 'r' for read-only data | |
4217 | But if the argument is not a quoted string, treat it as a | |
4218 | subsegment number. */ | |
252b5132 | 4219 | |
a5324a3e NC |
4220 | void |
4221 | obj_coff_section (int ignore ATTRIBUTE_UNUSED) | |
4222 | { | |
4223 | /* Strip out the section name. */ | |
4224 | char *section_name, *name; | |
4225 | char c; | |
4226 | unsigned int exp; | |
4227 | long flags; | |
f8e42b8c | 4228 | |
a5324a3e NC |
4229 | if (flag_mri) |
4230 | { | |
4231 | char type; | |
252b5132 | 4232 | |
a5324a3e NC |
4233 | s_mri_sect (&type); |
4234 | flags = 0; | |
4235 | if (type == 'C') | |
4236 | flags = STYP_TEXT; | |
4237 | else if (type == 'D') | |
4238 | flags = STYP_DATA; | |
4239 | segment_info[now_seg].scnhdr.s_flags |= flags; | |
252b5132 | 4240 | |
a5324a3e NC |
4241 | return; |
4242 | } | |
252b5132 | 4243 | |
a5324a3e NC |
4244 | section_name = input_line_pointer; |
4245 | c = get_symbol_end (); | |
252b5132 | 4246 | |
a5324a3e NC |
4247 | name = xmalloc (input_line_pointer - section_name + 1); |
4248 | strcpy (name, section_name); | |
252b5132 | 4249 | |
a5324a3e | 4250 | *input_line_pointer = c; |
252b5132 | 4251 | |
a5324a3e NC |
4252 | exp = 0; |
4253 | flags = 0; | |
252b5132 | 4254 | |
a5324a3e NC |
4255 | SKIP_WHITESPACE (); |
4256 | if (*input_line_pointer == ',') | |
4257 | { | |
4258 | ++input_line_pointer; | |
4259 | SKIP_WHITESPACE (); | |
252b5132 | 4260 | |
a5324a3e NC |
4261 | if (*input_line_pointer != '"') |
4262 | exp = get_absolute_expression (); | |
4263 | else | |
4264 | { | |
4265 | ++input_line_pointer; | |
4266 | while (*input_line_pointer != '"' | |
4267 | && ! is_end_of_line[(unsigned char) *input_line_pointer]) | |
4268 | { | |
4269 | switch (*input_line_pointer) | |
4270 | { | |
4271 | case 'b': flags |= STYP_BSS; break; | |
4272 | case 'i': flags |= STYP_INFO; break; | |
4273 | case 'l': flags |= STYP_LIB; break; | |
4274 | case 'n': flags |= STYP_NOLOAD; break; | |
4275 | case 'o': flags |= STYP_OVER; break; | |
4276 | case 'd': | |
4277 | case 'w': flags |= STYP_DATA; break; | |
4278 | case 'x': flags |= STYP_TEXT; break; | |
4279 | case 'r': flags |= STYP_LIT; break; | |
4280 | default: | |
4281 | as_warn (_("unknown section attribute '%c'"), | |
4282 | *input_line_pointer); | |
4283 | break; | |
f8e42b8c | 4284 | } |
a5324a3e | 4285 | ++input_line_pointer; |
f8e42b8c | 4286 | } |
a5324a3e NC |
4287 | if (*input_line_pointer == '"') |
4288 | ++input_line_pointer; | |
f8e42b8c | 4289 | } |
a5324a3e | 4290 | } |
252b5132 | 4291 | |
a5324a3e | 4292 | subseg_new (name, (subsegT) exp); |
252b5132 | 4293 | |
a5324a3e | 4294 | segment_info[now_seg].scnhdr.s_flags |= flags; |
252b5132 | 4295 | |
a5324a3e NC |
4296 | demand_empty_rest_of_line (); |
4297 | } | |
252b5132 | 4298 | |
a5324a3e NC |
4299 | static void |
4300 | obj_coff_text (int ignore ATTRIBUTE_UNUSED) | |
4301 | { | |
4302 | subseg_new (".text", get_absolute_expression ()); | |
4303 | } | |
252b5132 | 4304 | |
a5324a3e NC |
4305 | static void |
4306 | obj_coff_data (int ignore ATTRIBUTE_UNUSED) | |
4307 | { | |
4308 | if (flag_readonly_data_in_text) | |
4309 | subseg_new (".text", get_absolute_expression () + 1000); | |
4310 | else | |
4311 | subseg_new (".data", get_absolute_expression ()); | |
4312 | } | |
ec0f0840 | 4313 | |
a5324a3e NC |
4314 | static void |
4315 | obj_coff_ident (int ignore ATTRIBUTE_UNUSED) | |
4316 | { | |
4317 | segT current_seg = now_seg; /* Save current seg. */ | |
4318 | subsegT current_subseg = now_subseg; | |
4319 | ||
4320 | subseg_new (".comment", 0); /* .comment seg. */ | |
4321 | stringer (1); /* Read string. */ | |
4322 | subseg_set (current_seg, current_subseg); /* Restore current seg. */ | |
4323 | } | |
4324 | ||
4325 | void | |
4326 | c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED) | |
4327 | { | |
4328 | symbolS *symbolP; | |
4329 | ||
4330 | symbolP = symbol_new (".file", SEG_DEBUG, 0, & zero_address_frag); | |
4331 | ||
4332 | S_SET_STORAGE_CLASS (symbolP, C_FILE); | |
4333 | S_SET_NUMBER_AUXILIARY (symbolP, 1); | |
4334 | ||
4335 | if (strlen (filename) > FILNMLEN) | |
4336 | { | |
4337 | /* Filename is too long to fit into an auxent, | |
4338 | we stick it into the string table instead. We keep | |
4339 | a linked list of the filenames we find so we can emit | |
4340 | them later. */ | |
4341 | struct filename_list *f = xmalloc (sizeof (* f)); | |
4342 | ||
4343 | f->filename = filename; | |
4344 | f->next = 0; | |
4345 | ||
4346 | SA_SET_FILE_FNAME_ZEROS (symbolP, 0); | |
4347 | SA_SET_FILE_FNAME_OFFSET (symbolP, 1); | |
4348 | ||
4349 | if (filename_list_tail) | |
4350 | filename_list_tail->next = f; | |
4351 | else | |
4352 | filename_list_head = f; | |
4353 | filename_list_tail = f; | |
4354 | } | |
4355 | else | |
4356 | SA_SET_FILE_FNAME (symbolP, filename); | |
4357 | ||
4358 | #ifndef NO_LISTING | |
4359 | { | |
4360 | extern int listing; | |
4361 | if (listing) | |
4362 | listing_source_file (filename); | |
4363 | } | |
252b5132 | 4364 | #endif |
a5324a3e NC |
4365 | |
4366 | SF_SET_DEBUG (symbolP); | |
4367 | S_SET_VALUE (symbolP, (valueT) previous_file_symbol); | |
4368 | ||
4369 | previous_file_symbol = symbolP; | |
4370 | ||
4371 | /* Make sure that the symbol is first on the symbol chain. */ | |
4372 | if (symbol_rootP != symbolP) | |
4373 | { | |
4374 | symbol_remove (symbolP, &symbol_rootP, &symbol_lastP); | |
4375 | symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP); | |
f8e42b8c NC |
4376 | } |
4377 | } | |
252b5132 | 4378 | |
a5324a3e NC |
4379 | static void |
4380 | obj_coff_lcomm (int ignore ATTRIBUTE_UNUSED) | |
4381 | { | |
4382 | s_lcomm (0); | |
4383 | return; | |
4384 | } | |
252b5132 RH |
4385 | |
4386 | /* The first entry in a .stab section is special. */ | |
4387 | ||
4388 | void | |
a5324a3e | 4389 | obj_coff_init_stab_section (segT seg) |
252b5132 RH |
4390 | { |
4391 | char *file; | |
4392 | char *p; | |
4393 | char *stabstr_name; | |
4394 | unsigned int stroff; | |
4395 | ||
dcd619be | 4396 | /* Make space for this first symbol. */ |
252b5132 | 4397 | p = frag_more (12); |
dcd619be | 4398 | /* Zero it out. */ |
252b5132 RH |
4399 | memset (p, 0, 12); |
4400 | as_where (&file, (unsigned int *) NULL); | |
a5324a3e | 4401 | stabstr_name = alloca (strlen (segment_info[seg].name) + 4); |
252b5132 RH |
4402 | strcpy (stabstr_name, segment_info[seg].name); |
4403 | strcat (stabstr_name, "str"); | |
4404 | stroff = get_stab_string_offset (file, stabstr_name); | |
4405 | know (stroff == 1); | |
4406 | md_number_to_chars (p, stroff, 4); | |
4407 | } | |
4408 | ||
252b5132 RH |
4409 | #endif /* not BFD_ASSEMBLER */ |
4410 | ||
4c63da97 | 4411 | const pseudo_typeS coff_pseudo_table[] = |
252b5132 | 4412 | { |
a5324a3e NC |
4413 | {"ABORT", s_abort, 0}, |
4414 | {"appline", obj_coff_ln, 1}, | |
4415 | /* We accept the .bss directive for backward compatibility with | |
4416 | earlier versions of gas. */ | |
4417 | {"bss", obj_coff_bss, 0}, | |
252b5132 RH |
4418 | {"def", obj_coff_def, 0}, |
4419 | {"dim", obj_coff_dim, 0}, | |
4420 | {"endef", obj_coff_endef, 0}, | |
a5324a3e | 4421 | {"ident", obj_coff_ident, 0}, |
252b5132 RH |
4422 | {"line", obj_coff_line, 0}, |
4423 | {"ln", obj_coff_ln, 0}, | |
252b5132 | 4424 | {"scl", obj_coff_scl, 0}, |
a5324a3e NC |
4425 | {"sect", obj_coff_section, 0}, |
4426 | {"sect.s", obj_coff_section, 0}, | |
4427 | {"section", obj_coff_section, 0}, | |
4428 | {"section.s", obj_coff_section, 0}, | |
4429 | /* FIXME: We ignore the MRI short attribute. */ | |
252b5132 RH |
4430 | {"size", obj_coff_size, 0}, |
4431 | {"tag", obj_coff_tag, 0}, | |
4432 | {"type", obj_coff_type, 0}, | |
4433 | {"val", obj_coff_val, 0}, | |
a5324a3e NC |
4434 | {"version", s_ignore, 0}, |
4435 | #ifdef BFD_ASSEMBLER | |
4436 | {"loc", obj_coff_loc, 0}, | |
4437 | {"optim", s_ignore, 0}, /* For sun386i cc (?) */ | |
4438 | {"weak", obj_coff_weak, 0}, | |
4439 | #else | |
252b5132 RH |
4440 | {"data", obj_coff_data, 0}, |
4441 | {"lcomm", obj_coff_lcomm, 0}, | |
a5324a3e NC |
4442 | {"text", obj_coff_text, 0}, |
4443 | {"use", obj_coff_section, 0}, | |
252b5132 | 4444 | #endif |
a5324a3e | 4445 | #if defined TC_M88K || defined TC_TIC4X |
026df7c5 | 4446 | /* The m88k and tic4x uses sdef instead of def. */ |
252b5132 RH |
4447 | {"sdef", obj_coff_def, 0}, |
4448 | #endif | |
a5324a3e NC |
4449 | {NULL, NULL, 0} |
4450 | }; | |
252b5132 RH |
4451 | \f |
4452 | #ifdef BFD_ASSEMBLER | |
4453 | ||
4454 | /* Support for a COFF emulation. */ | |
4455 | ||
4456 | static void | |
a5324a3e | 4457 | coff_pop_insert (void) |
252b5132 | 4458 | { |
4c63da97 | 4459 | pop_insert (coff_pseudo_table); |
252b5132 RH |
4460 | } |
4461 | ||
5110c57e | 4462 | static int |
a5324a3e | 4463 | coff_separate_stab_sections (void) |
5110c57e HPN |
4464 | { |
4465 | return 1; | |
4466 | } | |
4467 | ||
252b5132 RH |
4468 | const struct format_ops coff_format_ops = |
4469 | { | |
4470 | bfd_target_coff_flavour, | |
4c63da97 AM |
4471 | 0, /* dfl_leading_underscore */ |
4472 | 1, /* emit_section_symbols */ | |
5110c57e HPN |
4473 | 0, /* begin */ |
4474 | c_dot_file_symbol, | |
252b5132 | 4475 | coff_frob_symbol, |
4c63da97 | 4476 | 0, /* frob_file */ |
339681c0 | 4477 | 0, /* frob_file_before_adjust */ |
a161fe53 | 4478 | 0, /* frob_file_before_fix */ |
252b5132 | 4479 | coff_frob_file_after_relocs, |
4c63da97 AM |
4480 | 0, /* s_get_size */ |
4481 | 0, /* s_set_size */ | |
4482 | 0, /* s_get_align */ | |
4483 | 0, /* s_set_align */ | |
4484 | 0, /* s_get_other */ | |
5110c57e | 4485 | 0, /* s_set_other */ |
4c63da97 | 4486 | 0, /* s_get_desc */ |
5110c57e HPN |
4487 | 0, /* s_set_desc */ |
4488 | 0, /* s_get_type */ | |
4489 | 0, /* s_set_type */ | |
4c63da97 AM |
4490 | 0, /* copy_symbol_attributes */ |
4491 | 0, /* generate_asm_lineno */ | |
4492 | 0, /* process_stab */ | |
5110c57e HPN |
4493 | coff_separate_stab_sections, |
4494 | obj_coff_init_stab_section, | |
4c63da97 | 4495 | 0, /* sec_sym_ok_for_reloc */ |
252b5132 | 4496 | coff_pop_insert, |
4c63da97 | 4497 | 0, /* ecoff_set_ext */ |
252b5132 | 4498 | coff_obj_read_begin_hook, |
4c63da97 | 4499 | coff_obj_symbol_new_hook |
252b5132 RH |
4500 | }; |
4501 | ||
4502 | #endif |