Commit | Line | Data |
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69645d10 | 1 | /* COFF specific linker code. |
d25079a0 | 2 | Copyright 1994, 1995 Free Software Foundation, Inc. |
69645d10 ILT |
3 | Written by Ian Lance Taylor, Cygnus Support. |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
943fbd5b | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
69645d10 ILT |
20 | |
21 | /* This file contains the COFF backend linker code. */ | |
22 | ||
23 | #include "bfd.h" | |
24 | #include "sysdep.h" | |
25 | #include "bfdlink.h" | |
26 | #include "libbfd.h" | |
27 | #include "coff/internal.h" | |
28 | #include "libcoff.h" | |
29 | ||
30 | #define STRING_SIZE_SIZE (4) | |
31 | ||
32 | /* Information we keep for each section in the output file when doing | |
33 | a relocateable link. */ | |
34 | ||
35 | struct coff_link_section_info | |
36 | { | |
37 | /* The relocs to be output. */ | |
38 | struct internal_reloc *relocs; | |
39 | /* For each reloc against a global symbol whose index was not known | |
40 | when the reloc was handled, the global hash table entry. */ | |
41 | struct coff_link_hash_entry **rel_hashes; | |
42 | }; | |
43 | ||
44 | /* Information that we pass around while doing the final link step. */ | |
45 | ||
46 | struct coff_final_link_info | |
47 | { | |
48 | /* General link information. */ | |
49 | struct bfd_link_info *info; | |
50 | /* Output BFD. */ | |
51 | bfd *output_bfd; | |
52 | /* Used to indicate failure in traversal routine. */ | |
53 | boolean failed; | |
54 | /* Hash table for long symbol name. */ | |
55 | struct bfd_strtab_hash *strtab; | |
56 | /* When doing a relocateable link, an array of information kept for | |
57 | each output section, indexed by the target_index field. */ | |
58 | struct coff_link_section_info *section_info; | |
59 | /* Symbol index of last C_FILE symbol (-1 if none). */ | |
60 | long last_file_index; | |
61 | /* Contents of last C_FILE symbol. */ | |
62 | struct internal_syment last_file; | |
63 | /* Buffer large enough to hold swapped symbols of any input file. */ | |
64 | struct internal_syment *internal_syms; | |
65 | /* Buffer large enough to hold sections of symbols of any input file. */ | |
66 | asection **sec_ptrs; | |
67 | /* Buffer large enough to hold output indices of symbols of any | |
68 | input file. */ | |
69 | long *sym_indices; | |
70 | /* Buffer large enough to hold output symbols for any input file. */ | |
71 | bfd_byte *outsyms; | |
72 | /* Buffer large enough to hold external line numbers for any input | |
73 | section. */ | |
74 | bfd_byte *linenos; | |
75 | /* Buffer large enough to hold any input section. */ | |
76 | bfd_byte *contents; | |
77 | /* Buffer large enough to hold external relocs of any input section. */ | |
78 | bfd_byte *external_relocs; | |
79 | /* Buffer large enough to hold swapped relocs of any input section. */ | |
80 | struct internal_reloc *internal_relocs; | |
d25079a0 | 81 | |
69645d10 ILT |
82 | }; |
83 | ||
84 | static struct bfd_hash_entry *coff_link_hash_newfunc | |
85 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
86 | static boolean coff_link_add_object_symbols | |
87 | PARAMS ((bfd *, struct bfd_link_info *)); | |
88 | static boolean coff_link_check_archive_element | |
89 | PARAMS ((bfd *, struct bfd_link_info *, boolean *)); | |
ff31ebda KR |
90 | static INLINE const char *_bfd_coff_internal_syment_name |
91 | PARAMS ((bfd *, const struct internal_syment *, char *)); | |
69645d10 ILT |
92 | static boolean coff_link_check_ar_symbols |
93 | PARAMS ((bfd *, struct bfd_link_info *, boolean *)); | |
94 | static boolean coff_link_add_symbols PARAMS ((bfd *, struct bfd_link_info *)); | |
95 | static boolean coff_link_input_bfd | |
96 | PARAMS ((struct coff_final_link_info *, bfd *)); | |
97 | static boolean coff_write_global_sym | |
98 | PARAMS ((struct coff_link_hash_entry *, PTR)); | |
99 | static boolean coff_reloc_link_order | |
100 | PARAMS ((bfd *, struct coff_final_link_info *, asection *, | |
101 | struct bfd_link_order *)); | |
102 | ||
103 | /* Create an entry in a COFF linker hash table. */ | |
104 | ||
105 | static struct bfd_hash_entry * | |
106 | coff_link_hash_newfunc (entry, table, string) | |
107 | struct bfd_hash_entry *entry; | |
108 | struct bfd_hash_table *table; | |
109 | const char *string; | |
110 | { | |
111 | struct coff_link_hash_entry *ret = (struct coff_link_hash_entry *) entry; | |
112 | ||
113 | /* Allocate the structure if it has not already been allocated by a | |
114 | subclass. */ | |
115 | if (ret == (struct coff_link_hash_entry *) NULL) | |
116 | ret = ((struct coff_link_hash_entry *) | |
117 | bfd_hash_allocate (table, sizeof (struct coff_link_hash_entry))); | |
118 | if (ret == (struct coff_link_hash_entry *) NULL) | |
119 | { | |
120 | bfd_set_error (bfd_error_no_memory); | |
121 | return (struct bfd_hash_entry *) ret; | |
122 | } | |
123 | ||
124 | /* Call the allocation method of the superclass. */ | |
125 | ret = ((struct coff_link_hash_entry *) | |
126 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
127 | table, string)); | |
128 | if (ret != (struct coff_link_hash_entry *) NULL) | |
129 | { | |
130 | /* Set local fields. */ | |
131 | ret->indx = -1; | |
132 | ret->type = T_NULL; | |
133 | ret->class = C_NULL; | |
134 | ret->numaux = 0; | |
135 | ret->auxbfd = NULL; | |
136 | ret->aux = NULL; | |
137 | } | |
138 | ||
139 | return (struct bfd_hash_entry *) ret; | |
140 | } | |
141 | ||
142 | /* Create a COFF linker hash table. */ | |
143 | ||
144 | struct bfd_link_hash_table * | |
145 | _bfd_coff_link_hash_table_create (abfd) | |
146 | bfd *abfd; | |
147 | { | |
148 | struct coff_link_hash_table *ret; | |
149 | ||
150 | ret = ((struct coff_link_hash_table *) | |
e3364701 | 151 | bfd_alloc (abfd, sizeof (struct coff_link_hash_table))); |
69645d10 ILT |
152 | if (ret == NULL) |
153 | { | |
154 | bfd_set_error (bfd_error_no_memory); | |
155 | return NULL; | |
156 | } | |
157 | if (! _bfd_link_hash_table_init (&ret->root, abfd, | |
158 | coff_link_hash_newfunc)) | |
159 | { | |
160 | free (ret); | |
161 | return (struct bfd_link_hash_table *) NULL; | |
162 | } | |
163 | return &ret->root; | |
164 | } | |
165 | ||
166 | /* Given a COFF BFD, add symbols to the global hash table as | |
167 | appropriate. */ | |
168 | ||
169 | boolean | |
170 | _bfd_coff_link_add_symbols (abfd, info) | |
171 | bfd *abfd; | |
172 | struct bfd_link_info *info; | |
173 | { | |
174 | switch (bfd_get_format (abfd)) | |
175 | { | |
176 | case bfd_object: | |
177 | return coff_link_add_object_symbols (abfd, info); | |
178 | case bfd_archive: | |
179 | return (_bfd_generic_link_add_archive_symbols | |
180 | (abfd, info, coff_link_check_archive_element)); | |
181 | default: | |
182 | bfd_set_error (bfd_error_wrong_format); | |
183 | return false; | |
184 | } | |
185 | } | |
186 | ||
187 | /* Add symbols from a COFF object file. */ | |
188 | ||
189 | static boolean | |
190 | coff_link_add_object_symbols (abfd, info) | |
191 | bfd *abfd; | |
192 | struct bfd_link_info *info; | |
193 | { | |
ff31ebda | 194 | if (! _bfd_coff_get_external_symbols (abfd)) |
69645d10 ILT |
195 | return false; |
196 | if (! coff_link_add_symbols (abfd, info)) | |
197 | return false; | |
198 | if (! info->keep_memory) | |
199 | { | |
ff31ebda | 200 | if (! _bfd_coff_free_symbols (abfd)) |
69645d10 ILT |
201 | return false; |
202 | } | |
203 | return true; | |
204 | } | |
205 | ||
206 | /* Check a single archive element to see if we need to include it in | |
207 | the link. *PNEEDED is set according to whether this element is | |
208 | needed in the link or not. This is called via | |
209 | _bfd_generic_link_add_archive_symbols. */ | |
210 | ||
211 | static boolean | |
212 | coff_link_check_archive_element (abfd, info, pneeded) | |
213 | bfd *abfd; | |
214 | struct bfd_link_info *info; | |
215 | boolean *pneeded; | |
216 | { | |
ff31ebda | 217 | if (! _bfd_coff_get_external_symbols (abfd)) |
69645d10 ILT |
218 | return false; |
219 | ||
220 | if (! coff_link_check_ar_symbols (abfd, info, pneeded)) | |
221 | return false; | |
222 | ||
223 | if (*pneeded) | |
224 | { | |
225 | if (! coff_link_add_symbols (abfd, info)) | |
226 | return false; | |
227 | } | |
228 | ||
229 | if (! info->keep_memory || ! *pneeded) | |
230 | { | |
ff31ebda | 231 | if (! _bfd_coff_free_symbols (abfd)) |
69645d10 ILT |
232 | return false; |
233 | } | |
234 | ||
235 | return true; | |
236 | } | |
237 | ||
ff31ebda KR |
238 | /* Get the name of a symbol. The caller must pass in a buffer of size |
239 | >= SYMNMLEN + 1. */ | |
69645d10 | 240 | |
ff31ebda KR |
241 | static INLINE const char * |
242 | _bfd_coff_internal_syment_name (abfd, sym, buf) | |
69645d10 | 243 | bfd *abfd; |
ff31ebda KR |
244 | const struct internal_syment *sym; |
245 | char *buf; | |
69645d10 | 246 | { |
ff31ebda KR |
247 | /* FIXME: It's not clear this will work correctly if sizeof |
248 | (_n_zeroes) != 4. */ | |
249 | if (sym->_n._n_n._n_zeroes != 0 | |
250 | || sym->_n._n_n._n_offset == 0) | |
69645d10 | 251 | { |
ff31ebda KR |
252 | memcpy (buf, sym->_n._n_name, SYMNMLEN); |
253 | buf[SYMNMLEN] = '\0'; | |
254 | return buf; | |
69645d10 ILT |
255 | } |
256 | else | |
257 | { | |
ff31ebda | 258 | const char *strings; |
69645d10 | 259 | |
ff31ebda KR |
260 | BFD_ASSERT (sym->_n._n_n._n_offset >= STRING_SIZE_SIZE); |
261 | strings = obj_coff_strings (abfd); | |
262 | if (strings == NULL) | |
263 | { | |
264 | strings = _bfd_coff_read_string_table (abfd); | |
265 | if (strings == NULL) | |
266 | return NULL; | |
267 | } | |
268 | return strings + sym->_n._n_n._n_offset; | |
69645d10 | 269 | } |
69645d10 ILT |
270 | } |
271 | ||
272 | /* Look through the symbols to see if this object file should be | |
273 | included in the link. */ | |
274 | ||
275 | static boolean | |
276 | coff_link_check_ar_symbols (abfd, info, pneeded) | |
277 | bfd *abfd; | |
278 | struct bfd_link_info *info; | |
279 | boolean *pneeded; | |
280 | { | |
281 | boolean (*sym_is_global) PARAMS ((bfd *, struct internal_syment *)); | |
69645d10 ILT |
282 | bfd_size_type symesz; |
283 | bfd_byte *esym; | |
284 | bfd_byte *esym_end; | |
285 | ||
286 | *pneeded = false; | |
287 | ||
288 | sym_is_global = coff_backend_info (abfd)->_bfd_coff_sym_is_global; | |
69645d10 ILT |
289 | |
290 | symesz = bfd_coff_symesz (abfd); | |
291 | esym = (bfd_byte *) obj_coff_external_syms (abfd); | |
292 | esym_end = esym + obj_raw_syment_count (abfd) * symesz; | |
293 | while (esym < esym_end) | |
294 | { | |
295 | struct internal_syment sym; | |
296 | ||
297 | bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym); | |
298 | ||
299 | if ((sym.n_sclass == C_EXT | |
300 | || (sym_is_global && (*sym_is_global) (abfd, &sym))) | |
301 | && (sym.n_scnum != 0 || sym.n_value != 0)) | |
302 | { | |
303 | const char *name; | |
304 | char buf[SYMNMLEN + 1]; | |
305 | struct bfd_link_hash_entry *h; | |
306 | ||
307 | /* This symbol is externally visible, and is defined by this | |
308 | object file. */ | |
309 | ||
ff31ebda KR |
310 | name = _bfd_coff_internal_syment_name (abfd, &sym, buf); |
311 | if (name == NULL) | |
312 | return false; | |
69645d10 ILT |
313 | h = bfd_link_hash_lookup (info->hash, name, false, false, true); |
314 | ||
315 | /* We are only interested in symbols that are currently | |
316 | undefined. If a symbol is currently known to be common, | |
317 | COFF linkers do not bring in an object file which defines | |
318 | it. */ | |
319 | if (h != (struct bfd_link_hash_entry *) NULL | |
320 | && h->type == bfd_link_hash_undefined) | |
321 | { | |
322 | if (! (*info->callbacks->add_archive_element) (info, abfd, name)) | |
323 | return false; | |
324 | *pneeded = true; | |
325 | return true; | |
326 | } | |
327 | } | |
328 | ||
329 | esym += (sym.n_numaux + 1) * symesz; | |
330 | } | |
331 | ||
332 | /* We do not need this object file. */ | |
333 | return true; | |
334 | } | |
335 | ||
336 | /* Add all the symbols from an object file to the hash table. */ | |
337 | ||
338 | static boolean | |
339 | coff_link_add_symbols (abfd, info) | |
340 | bfd *abfd; | |
341 | struct bfd_link_info *info; | |
342 | { | |
343 | boolean (*sym_is_global) PARAMS ((bfd *, struct internal_syment *)); | |
69645d10 ILT |
344 | boolean default_copy; |
345 | bfd_size_type symcount; | |
346 | struct coff_link_hash_entry **sym_hash; | |
347 | bfd_size_type symesz; | |
348 | bfd_byte *esym; | |
349 | bfd_byte *esym_end; | |
350 | ||
351 | sym_is_global = coff_backend_info (abfd)->_bfd_coff_sym_is_global; | |
69645d10 ILT |
352 | |
353 | if (info->keep_memory) | |
354 | default_copy = false; | |
355 | else | |
356 | default_copy = true; | |
357 | ||
358 | symcount = obj_raw_syment_count (abfd); | |
359 | ||
360 | /* We keep a list of the linker hash table entries that correspond | |
361 | to particular symbols. */ | |
362 | sym_hash = ((struct coff_link_hash_entry **) | |
363 | bfd_alloc (abfd, | |
364 | ((size_t) symcount | |
365 | * sizeof (struct coff_link_hash_entry *)))); | |
366 | if (sym_hash == NULL && symcount != 0) | |
367 | { | |
368 | bfd_set_error (bfd_error_no_memory); | |
369 | return false; | |
370 | } | |
371 | obj_coff_sym_hashes (abfd) = sym_hash; | |
372 | memset (sym_hash, 0, | |
373 | (size_t) symcount * sizeof (struct coff_link_hash_entry *)); | |
374 | ||
375 | symesz = bfd_coff_symesz (abfd); | |
376 | BFD_ASSERT (symesz == bfd_coff_auxesz (abfd)); | |
377 | esym = (bfd_byte *) obj_coff_external_syms (abfd); | |
378 | esym_end = esym + symcount * symesz; | |
379 | while (esym < esym_end) | |
380 | { | |
381 | struct internal_syment sym; | |
382 | boolean copy; | |
383 | ||
384 | bfd_coff_swap_sym_in (abfd, (PTR) esym, (PTR) &sym); | |
385 | ||
386 | if (sym.n_sclass == C_EXT | |
387 | || (sym_is_global && (*sym_is_global) (abfd, &sym))) | |
388 | { | |
389 | const char *name; | |
390 | char buf[SYMNMLEN + 1]; | |
391 | flagword flags; | |
392 | asection *section; | |
393 | bfd_vma value; | |
394 | ||
395 | /* This symbol is externally visible. */ | |
396 | ||
ff31ebda KR |
397 | name = _bfd_coff_internal_syment_name (abfd, &sym, buf); |
398 | if (name == NULL) | |
399 | return false; | |
400 | ||
401 | /* We must copy the name into memory if we got it from the | |
402 | syment itself, rather than the string table. */ | |
69645d10 | 403 | copy = default_copy; |
ff31ebda KR |
404 | if (sym._n._n_n._n_zeroes != 0 |
405 | || sym._n._n_n._n_offset == 0) | |
406 | copy = true; | |
69645d10 ILT |
407 | |
408 | value = sym.n_value; | |
409 | ||
410 | if (sym.n_scnum == 0) | |
411 | { | |
412 | if (value == 0) | |
413 | { | |
414 | flags = 0; | |
415 | section = bfd_und_section_ptr; | |
416 | } | |
417 | else | |
418 | { | |
419 | flags = BSF_GLOBAL; | |
420 | section = bfd_com_section_ptr; | |
421 | } | |
422 | } | |
423 | else | |
424 | { | |
425 | flags = BSF_EXPORT | BSF_GLOBAL; | |
426 | section = coff_section_from_bfd_index (abfd, sym.n_scnum); | |
427 | value -= section->vma; | |
428 | } | |
429 | ||
430 | if (! (_bfd_generic_link_add_one_symbol | |
431 | (info, abfd, name, flags, section, value, | |
432 | (const char *) NULL, copy, false, | |
433 | (struct bfd_link_hash_entry **) sym_hash))) | |
434 | return false; | |
435 | ||
436 | if (info->hash->creator->flavour == bfd_get_flavour (abfd)) | |
437 | { | |
438 | if (((*sym_hash)->class == C_NULL | |
439 | && (*sym_hash)->type == T_NULL) | |
440 | || sym.n_scnum != 0 | |
441 | || (sym.n_value != 0 | |
442 | && (*sym_hash)->root.type != bfd_link_hash_defined)) | |
443 | { | |
444 | (*sym_hash)->class = sym.n_sclass; | |
445 | (*sym_hash)->type = sym.n_type; | |
446 | (*sym_hash)->numaux = sym.n_numaux; | |
447 | (*sym_hash)->auxbfd = abfd; | |
448 | if (sym.n_numaux != 0) | |
449 | { | |
450 | union internal_auxent *alloc; | |
451 | unsigned int i; | |
452 | bfd_byte *eaux; | |
453 | union internal_auxent *iaux; | |
454 | ||
d25079a0 SC |
455 | alloc = ((union internal_auxent *) |
456 | bfd_hash_allocate (&info->hash->table, | |
457 | (sym.n_numaux | |
458 | * sizeof (*alloc)))); | |
69645d10 ILT |
459 | if (alloc == NULL) |
460 | { | |
461 | bfd_set_error (bfd_error_no_memory); | |
462 | return false; | |
463 | } | |
464 | for (i = 0, eaux = esym + symesz, iaux = alloc; | |
465 | i < sym.n_numaux; | |
466 | i++, eaux += symesz, iaux++) | |
467 | bfd_coff_swap_aux_in (abfd, (PTR) eaux, sym.n_type, | |
468 | sym.n_sclass, i, sym.n_numaux, | |
469 | (PTR) iaux); | |
470 | (*sym_hash)->aux = alloc; | |
471 | } | |
472 | } | |
473 | } | |
474 | } | |
475 | ||
476 | esym += (sym.n_numaux + 1) * symesz; | |
477 | sym_hash += sym.n_numaux + 1; | |
478 | } | |
479 | ||
480 | return true; | |
481 | } | |
482 | ||
e9614321 | 483 | |
69645d10 ILT |
484 | /* Do the final link step. */ |
485 | ||
486 | boolean | |
487 | _bfd_coff_final_link (abfd, info) | |
488 | bfd *abfd; | |
489 | struct bfd_link_info *info; | |
490 | { | |
491 | bfd_size_type symesz; | |
492 | struct coff_final_link_info finfo; | |
493 | asection *o; | |
494 | struct bfd_link_order *p; | |
495 | size_t max_contents_size; | |
496 | size_t max_sym_count; | |
497 | size_t max_lineno_count; | |
498 | size_t max_reloc_count; | |
499 | size_t max_output_reloc_count; | |
500 | file_ptr rel_filepos; | |
501 | unsigned int relsz; | |
502 | file_ptr line_filepos; | |
503 | unsigned int linesz; | |
504 | bfd *sub; | |
505 | bfd_byte *external_relocs = NULL; | |
506 | char strbuf[STRING_SIZE_SIZE]; | |
507 | ||
508 | symesz = bfd_coff_symesz (abfd); | |
509 | ||
510 | finfo.info = info; | |
511 | finfo.output_bfd = abfd; | |
512 | finfo.strtab = NULL; | |
513 | finfo.section_info = NULL; | |
514 | finfo.last_file_index = -1; | |
515 | finfo.internal_syms = NULL; | |
516 | finfo.sec_ptrs = NULL; | |
517 | finfo.sym_indices = NULL; | |
518 | finfo.outsyms = NULL; | |
519 | finfo.linenos = NULL; | |
520 | finfo.contents = NULL; | |
521 | finfo.external_relocs = NULL; | |
522 | finfo.internal_relocs = NULL; | |
523 | ||
e9614321 | 524 | coff_data (abfd)->link_info = info; |
d25079a0 | 525 | |
69645d10 ILT |
526 | finfo.strtab = _bfd_stringtab_init (); |
527 | if (finfo.strtab == NULL) | |
528 | goto error_return; | |
529 | ||
530 | /* Compute the file positions for all the sections. */ | |
531 | if (! abfd->output_has_begun) | |
532 | bfd_coff_compute_section_file_positions (abfd); | |
533 | ||
534 | /* Count the line numbers and relocation entries required for the | |
535 | output file. Set the file positions for the relocs. */ | |
536 | rel_filepos = obj_relocbase (abfd); | |
537 | relsz = bfd_coff_relsz (abfd); | |
538 | max_contents_size = 0; | |
539 | max_lineno_count = 0; | |
540 | max_reloc_count = 0; | |
541 | for (o = abfd->sections; o != NULL; o = o->next) | |
542 | { | |
543 | o->reloc_count = 0; | |
544 | o->lineno_count = 0; | |
545 | for (p = o->link_order_head; p != NULL; p = p->next) | |
546 | { | |
547 | if (p->type == bfd_indirect_link_order) | |
548 | { | |
549 | asection *sec; | |
550 | ||
551 | sec = p->u.indirect.section; | |
552 | ||
553 | if (info->strip == strip_none | |
554 | || info->strip == strip_some) | |
555 | o->lineno_count += sec->lineno_count; | |
556 | ||
557 | if (info->relocateable) | |
558 | o->reloc_count += sec->reloc_count; | |
559 | ||
560 | if (sec->_raw_size > max_contents_size) | |
561 | max_contents_size = sec->_raw_size; | |
562 | if (sec->lineno_count > max_lineno_count) | |
563 | max_lineno_count = sec->lineno_count; | |
564 | if (sec->reloc_count > max_reloc_count) | |
565 | max_reloc_count = sec->reloc_count; | |
566 | } | |
567 | else if (info->relocateable | |
568 | && (p->type == bfd_section_reloc_link_order | |
569 | || p->type == bfd_symbol_reloc_link_order)) | |
570 | ++o->reloc_count; | |
571 | } | |
572 | if (o->reloc_count == 0) | |
573 | o->rel_filepos = 0; | |
574 | else | |
575 | { | |
576 | o->flags |= SEC_RELOC; | |
577 | o->rel_filepos = rel_filepos; | |
578 | rel_filepos += o->reloc_count * relsz; | |
579 | } | |
580 | } | |
581 | ||
582 | /* If doing a relocateable link, allocate space for the pointers we | |
583 | need to keep. */ | |
584 | if (info->relocateable) | |
585 | { | |
586 | unsigned int i; | |
587 | ||
2a895595 ILT |
588 | /* We use section_count + 1, rather than section_count, because |
589 | the target_index fields are 1 based. */ | |
69645d10 | 590 | finfo.section_info = ((struct coff_link_section_info *) |
2a895595 | 591 | malloc ((abfd->section_count + 1) |
69645d10 ILT |
592 | * sizeof (struct coff_link_section_info))); |
593 | if (finfo.section_info == NULL) | |
594 | { | |
595 | bfd_set_error (bfd_error_no_memory); | |
596 | goto error_return; | |
597 | } | |
2a895595 | 598 | for (i = 0; i <= abfd->section_count; i++) |
69645d10 ILT |
599 | { |
600 | finfo.section_info[i].relocs = NULL; | |
601 | finfo.section_info[i].rel_hashes = NULL; | |
602 | } | |
603 | } | |
604 | ||
605 | /* We now know the size of the relocs, so we can determine the file | |
606 | positions of the line numbers. */ | |
607 | line_filepos = rel_filepos; | |
608 | linesz = bfd_coff_linesz (abfd); | |
609 | max_output_reloc_count = 0; | |
610 | for (o = abfd->sections; o != NULL; o = o->next) | |
611 | { | |
612 | if (o->lineno_count == 0) | |
613 | o->line_filepos = 0; | |
614 | else | |
615 | { | |
616 | o->line_filepos = line_filepos; | |
617 | line_filepos += o->lineno_count * linesz; | |
618 | } | |
619 | ||
620 | if (o->reloc_count != 0) | |
621 | { | |
622 | /* We don't know the indices of global symbols until we have | |
623 | written out all the local symbols. For each section in | |
624 | the output file, we keep an array of pointers to hash | |
625 | table entries. Each entry in the array corresponds to a | |
626 | reloc. When we find a reloc against a global symbol, we | |
627 | set the corresponding entry in this array so that we can | |
628 | fix up the symbol index after we have written out all the | |
629 | local symbols. | |
630 | ||
631 | Because of this problem, we also keep the relocs in | |
632 | memory until the end of the link. This wastes memory, | |
633 | but only when doing a relocateable link, which is not the | |
634 | common case. */ | |
635 | BFD_ASSERT (info->relocateable); | |
636 | finfo.section_info[o->target_index].relocs = | |
637 | ((struct internal_reloc *) | |
638 | malloc (o->reloc_count * sizeof (struct internal_reloc))); | |
639 | finfo.section_info[o->target_index].rel_hashes = | |
640 | ((struct coff_link_hash_entry **) | |
641 | malloc (o->reloc_count | |
642 | * sizeof (struct coff_link_hash_entry *))); | |
643 | if (finfo.section_info[o->target_index].relocs == NULL | |
644 | || finfo.section_info[o->target_index].rel_hashes == NULL) | |
645 | { | |
646 | bfd_set_error (bfd_error_no_memory); | |
647 | goto error_return; | |
648 | } | |
649 | ||
650 | if (o->reloc_count > max_output_reloc_count) | |
651 | max_output_reloc_count = o->reloc_count; | |
652 | } | |
653 | ||
654 | /* Reset the reloc and lineno counts, so that we can use them to | |
655 | count the number of entries we have output so far. */ | |
656 | o->reloc_count = 0; | |
657 | o->lineno_count = 0; | |
658 | } | |
659 | ||
660 | obj_sym_filepos (abfd) = line_filepos; | |
661 | ||
662 | /* Figure out the largest number of symbols in an input BFD. Take | |
663 | the opportunity to clear the output_has_begun fields of all the | |
664 | input BFD's. */ | |
665 | max_sym_count = 0; | |
666 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
667 | { | |
668 | size_t sz; | |
669 | ||
670 | sub->output_has_begun = false; | |
671 | sz = obj_raw_syment_count (sub); | |
672 | if (sz > max_sym_count) | |
673 | max_sym_count = sz; | |
674 | } | |
675 | ||
676 | /* Allocate some buffers used while linking. */ | |
677 | finfo.internal_syms = ((struct internal_syment *) | |
678 | malloc (max_sym_count | |
679 | * sizeof (struct internal_syment))); | |
680 | finfo.sec_ptrs = (asection **) malloc (max_sym_count * sizeof (asection *)); | |
681 | finfo.sym_indices = (long *) malloc (max_sym_count * sizeof (long)); | |
ff31ebda KR |
682 | finfo.outsyms = ((bfd_byte *) |
683 | malloc ((size_t) ((max_sym_count + 1) * symesz))); | |
69645d10 ILT |
684 | finfo.linenos = (bfd_byte *) malloc (max_lineno_count |
685 | * bfd_coff_linesz (abfd)); | |
686 | finfo.contents = (bfd_byte *) malloc (max_contents_size); | |
687 | finfo.external_relocs = (bfd_byte *) malloc (max_reloc_count * relsz); | |
688 | if (! info->relocateable) | |
689 | finfo.internal_relocs = ((struct internal_reloc *) | |
690 | malloc (max_reloc_count | |
691 | * sizeof (struct internal_reloc))); | |
692 | if ((finfo.internal_syms == NULL && max_sym_count > 0) | |
693 | || (finfo.sec_ptrs == NULL && max_sym_count > 0) | |
694 | || (finfo.sym_indices == NULL && max_sym_count > 0) | |
695 | || finfo.outsyms == NULL | |
696 | || (finfo.linenos == NULL && max_lineno_count > 0) | |
697 | || (finfo.contents == NULL && max_contents_size > 0) | |
698 | || (finfo.external_relocs == NULL && max_reloc_count > 0) | |
699 | || (! info->relocateable | |
700 | && finfo.internal_relocs == NULL | |
701 | && max_reloc_count > 0)) | |
702 | { | |
703 | bfd_set_error (bfd_error_no_memory); | |
704 | goto error_return; | |
705 | } | |
706 | ||
707 | /* We now know the position of everything in the file, except that | |
708 | we don't know the size of the symbol table and therefore we don't | |
709 | know where the string table starts. We just build the string | |
710 | table in memory as we go along. We process all the relocations | |
711 | for a single input file at once. */ | |
712 | obj_raw_syment_count (abfd) = 0; | |
713 | for (o = abfd->sections; o != NULL; o = o->next) | |
714 | { | |
715 | for (p = o->link_order_head; p != NULL; p = p->next) | |
716 | { | |
717 | if (p->type == bfd_indirect_link_order | |
718 | && (bfd_get_flavour (p->u.indirect.section->owner) | |
719 | == bfd_target_coff_flavour)) | |
720 | { | |
721 | sub = p->u.indirect.section->owner; | |
722 | if (! sub->output_has_begun) | |
723 | { | |
724 | if (! coff_link_input_bfd (&finfo, sub)) | |
725 | goto error_return; | |
726 | sub->output_has_begun = true; | |
727 | } | |
728 | } | |
729 | else if (p->type == bfd_section_reloc_link_order | |
730 | || p->type == bfd_symbol_reloc_link_order) | |
731 | { | |
732 | if (! coff_reloc_link_order (abfd, &finfo, o, p)) | |
733 | goto error_return; | |
734 | } | |
735 | else | |
736 | { | |
737 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
738 | goto error_return; | |
739 | } | |
740 | } | |
741 | } | |
742 | ||
743 | /* Free up the buffers used by coff_link_input_bfd. */ | |
744 | if (finfo.internal_syms != NULL) | |
745 | { | |
746 | free (finfo.internal_syms); | |
747 | finfo.internal_syms = NULL; | |
748 | } | |
749 | if (finfo.sec_ptrs != NULL) | |
750 | { | |
751 | free (finfo.sec_ptrs); | |
752 | finfo.sec_ptrs = NULL; | |
753 | } | |
754 | if (finfo.sym_indices != NULL) | |
755 | { | |
756 | free (finfo.sym_indices); | |
757 | finfo.sym_indices = NULL; | |
758 | } | |
759 | if (finfo.linenos != NULL) | |
760 | { | |
761 | free (finfo.linenos); | |
762 | finfo.linenos = NULL; | |
763 | } | |
764 | if (finfo.contents != NULL) | |
765 | { | |
766 | free (finfo.contents); | |
767 | finfo.contents = NULL; | |
768 | } | |
769 | if (finfo.external_relocs != NULL) | |
770 | { | |
771 | free (finfo.external_relocs); | |
772 | finfo.external_relocs = NULL; | |
773 | } | |
774 | if (finfo.internal_relocs != NULL) | |
775 | { | |
776 | free (finfo.internal_relocs); | |
777 | finfo.internal_relocs = NULL; | |
778 | } | |
779 | ||
780 | /* The value of the last C_FILE symbol is supposed to be the symbol | |
781 | index of the first external symbol. Write it out again if | |
782 | necessary. */ | |
783 | if (finfo.last_file_index != -1 | |
ae115e51 | 784 | && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)) |
69645d10 ILT |
785 | { |
786 | finfo.last_file.n_value = obj_raw_syment_count (abfd); | |
787 | bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file, | |
788 | (PTR) finfo.outsyms); | |
789 | if (bfd_seek (abfd, | |
790 | (obj_sym_filepos (abfd) | |
791 | + finfo.last_file_index * symesz), | |
792 | SEEK_SET) != 0 | |
793 | || bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz) | |
794 | return false; | |
795 | } | |
796 | ||
797 | /* Write out the global symbols. */ | |
798 | finfo.failed = false; | |
799 | coff_link_hash_traverse (coff_hash_table (info), coff_write_global_sym, | |
800 | (PTR) &finfo); | |
801 | if (finfo.failed) | |
802 | goto error_return; | |
803 | ||
804 | /* The outsyms buffer is used by coff_write_global_sym. */ | |
805 | if (finfo.outsyms != NULL) | |
806 | { | |
807 | free (finfo.outsyms); | |
808 | finfo.outsyms = NULL; | |
809 | } | |
810 | ||
811 | if (info->relocateable) | |
812 | { | |
813 | /* Now that we have written out all the global symbols, we know | |
814 | the symbol indices to use for relocs against them, and we can | |
815 | finally write out the relocs. */ | |
816 | external_relocs = (bfd_byte *) malloc (max_output_reloc_count * relsz); | |
817 | if (external_relocs == NULL) | |
818 | { | |
819 | bfd_set_error (bfd_error_no_memory); | |
820 | goto error_return; | |
821 | } | |
822 | ||
823 | for (o = abfd->sections; o != NULL; o = o->next) | |
824 | { | |
825 | struct internal_reloc *irel; | |
826 | struct internal_reloc *irelend; | |
827 | struct coff_link_hash_entry **rel_hash; | |
828 | bfd_byte *erel; | |
829 | ||
830 | if (o->reloc_count == 0) | |
831 | continue; | |
832 | ||
833 | irel = finfo.section_info[o->target_index].relocs; | |
834 | irelend = irel + o->reloc_count; | |
835 | rel_hash = finfo.section_info[o->target_index].rel_hashes; | |
836 | erel = external_relocs; | |
837 | for (; irel < irelend; irel++, rel_hash++, erel += relsz) | |
838 | { | |
839 | if (*rel_hash != NULL) | |
840 | { | |
841 | BFD_ASSERT ((*rel_hash)->indx >= 0); | |
842 | irel->r_symndx = (*rel_hash)->indx; | |
843 | } | |
844 | bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel); | |
845 | } | |
846 | ||
847 | if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0 | |
848 | || bfd_write ((PTR) external_relocs, relsz, o->reloc_count, | |
849 | abfd) != relsz * o->reloc_count) | |
850 | goto error_return; | |
851 | } | |
852 | ||
853 | free (external_relocs); | |
854 | external_relocs = NULL; | |
855 | } | |
856 | ||
857 | /* Free up the section information. */ | |
858 | if (finfo.section_info != NULL) | |
859 | { | |
860 | unsigned int i; | |
861 | ||
862 | for (i = 0; i < abfd->section_count; i++) | |
863 | { | |
864 | if (finfo.section_info[i].relocs != NULL) | |
865 | free (finfo.section_info[i].relocs); | |
866 | if (finfo.section_info[i].rel_hashes != NULL) | |
867 | free (finfo.section_info[i].rel_hashes); | |
868 | } | |
869 | free (finfo.section_info); | |
870 | finfo.section_info = NULL; | |
871 | } | |
872 | ||
873 | /* Write out the string table. */ | |
874 | if (bfd_seek (abfd, | |
875 | (obj_sym_filepos (abfd) | |
876 | + obj_raw_syment_count (abfd) * symesz), | |
877 | SEEK_SET) != 0) | |
878 | return false; | |
879 | ||
880 | #if STRING_SIZE_SIZE == 4 | |
881 | bfd_h_put_32 (abfd, | |
882 | _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, | |
d25079a0 | 883 | (bfd_byte *) strbuf); |
69645d10 ILT |
884 | #else |
885 | #error Change bfd_h_put_32 | |
886 | #endif | |
887 | ||
888 | if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE) | |
889 | return false; | |
890 | ||
891 | if (! _bfd_stringtab_emit (abfd, finfo.strtab)) | |
892 | return false; | |
893 | ||
894 | _bfd_stringtab_free (finfo.strtab); | |
895 | ||
896 | /* Setting bfd_get_symcount to 0 will cause write_object_contents to | |
897 | not try to write out the symbols. */ | |
898 | bfd_get_symcount (abfd) = 0; | |
899 | ||
900 | return true; | |
901 | ||
902 | error_return: | |
903 | if (finfo.strtab != NULL) | |
904 | _bfd_stringtab_free (finfo.strtab); | |
905 | if (finfo.section_info != NULL) | |
906 | { | |
907 | unsigned int i; | |
908 | ||
909 | for (i = 0; i < abfd->section_count; i++) | |
910 | { | |
911 | if (finfo.section_info[i].relocs != NULL) | |
912 | free (finfo.section_info[i].relocs); | |
913 | if (finfo.section_info[i].rel_hashes != NULL) | |
914 | free (finfo.section_info[i].rel_hashes); | |
915 | } | |
916 | free (finfo.section_info); | |
917 | } | |
918 | if (finfo.internal_syms != NULL) | |
919 | free (finfo.internal_syms); | |
920 | if (finfo.sec_ptrs != NULL) | |
921 | free (finfo.sec_ptrs); | |
922 | if (finfo.sym_indices != NULL) | |
923 | free (finfo.sym_indices); | |
924 | if (finfo.outsyms != NULL) | |
925 | free (finfo.outsyms); | |
926 | if (finfo.linenos != NULL) | |
927 | free (finfo.linenos); | |
928 | if (finfo.contents != NULL) | |
929 | free (finfo.contents); | |
930 | if (finfo.external_relocs != NULL) | |
931 | free (finfo.external_relocs); | |
932 | if (finfo.internal_relocs != NULL) | |
933 | free (finfo.internal_relocs); | |
934 | if (external_relocs != NULL) | |
935 | free (external_relocs); | |
936 | return false; | |
937 | } | |
938 | ||
ff31ebda KR |
939 | /* Read in and swap the relocs. This returns a buffer holding the |
940 | relocs for section SEC in file ABFD. If CACHE is true and | |
941 | INTERNAL_RELOCS is NULL, the relocs read in wil be saved in case | |
942 | the function is called again. If EXTERNAL_RELOCS is not NULL, it | |
943 | is a buffer large enough to hold the unswapped relocs. If | |
944 | INTERNAL_RELOCS is not NULL, it is a buffer large enough to hold | |
945 | the swapped relocs. If REQUIRE_INTERNAL is true, then the return | |
946 | value must be INTERNAL_RELOCS. The function returns NULL on error. */ | |
947 | ||
948 | struct internal_reloc * | |
949 | _bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs, | |
950 | require_internal, internal_relocs) | |
951 | bfd *abfd; | |
952 | asection *sec; | |
953 | boolean cache; | |
954 | bfd_byte *external_relocs; | |
955 | boolean require_internal; | |
956 | struct internal_reloc *internal_relocs; | |
957 | { | |
958 | bfd_size_type relsz; | |
959 | bfd_byte *free_external = NULL; | |
960 | struct internal_reloc *free_internal = NULL; | |
961 | bfd_byte *erel; | |
962 | bfd_byte *erel_end; | |
963 | struct internal_reloc *irel; | |
964 | ||
965 | if (coff_section_data (abfd, sec) != NULL | |
966 | && coff_section_data (abfd, sec)->relocs != NULL) | |
967 | { | |
968 | if (! require_internal) | |
969 | return coff_section_data (abfd, sec)->relocs; | |
970 | memcpy (internal_relocs, coff_section_data (abfd, sec)->relocs, | |
971 | sec->reloc_count * sizeof (struct internal_reloc)); | |
972 | return internal_relocs; | |
973 | } | |
974 | ||
975 | relsz = bfd_coff_relsz (abfd); | |
976 | ||
977 | if (external_relocs == NULL) | |
978 | { | |
979 | free_external = (bfd_byte *) malloc (sec->reloc_count * relsz); | |
980 | if (free_external == NULL && sec->reloc_count > 0) | |
981 | { | |
982 | bfd_set_error (bfd_error_no_memory); | |
983 | goto error_return; | |
984 | } | |
985 | external_relocs = free_external; | |
986 | } | |
987 | ||
988 | if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0 | |
989 | || (bfd_read (external_relocs, relsz, sec->reloc_count, abfd) | |
990 | != relsz * sec->reloc_count)) | |
991 | goto error_return; | |
992 | ||
993 | if (internal_relocs == NULL) | |
994 | { | |
995 | free_internal = ((struct internal_reloc *) | |
996 | malloc (sec->reloc_count | |
997 | * sizeof (struct internal_reloc))); | |
998 | if (free_internal == NULL && sec->reloc_count > 0) | |
999 | { | |
1000 | bfd_set_error (bfd_error_no_memory); | |
1001 | goto error_return; | |
1002 | } | |
1003 | internal_relocs = free_internal; | |
1004 | } | |
1005 | ||
1006 | /* Swap in the relocs. */ | |
1007 | erel = external_relocs; | |
1008 | erel_end = erel + relsz * sec->reloc_count; | |
1009 | irel = internal_relocs; | |
1010 | for (; erel < erel_end; erel += relsz, irel++) | |
1011 | bfd_coff_swap_reloc_in (abfd, (PTR) erel, (PTR) irel); | |
1012 | ||
1013 | if (free_external != NULL) | |
1014 | { | |
1015 | free (free_external); | |
1016 | free_external = NULL; | |
1017 | } | |
1018 | ||
1019 | if (cache && free_internal != NULL) | |
1020 | { | |
1021 | if (coff_section_data (abfd, sec) == NULL) | |
1022 | { | |
1023 | sec->used_by_bfd = ((PTR) bfd_zalloc (abfd, | |
1024 | sizeof (struct coff_section_tdata))); | |
1025 | if (sec->used_by_bfd == NULL) | |
1026 | { | |
1027 | bfd_set_error (bfd_error_no_memory); | |
1028 | goto error_return; | |
1029 | } | |
1030 | coff_section_data (abfd, sec)->contents = NULL; | |
1031 | } | |
1032 | coff_section_data (abfd, sec)->relocs = free_internal; | |
1033 | } | |
1034 | ||
1035 | return internal_relocs; | |
1036 | ||
1037 | error_return: | |
1038 | if (free_external != NULL) | |
1039 | free (free_external); | |
1040 | if (free_internal != NULL) | |
1041 | free (free_internal); | |
1042 | return NULL; | |
1043 | } | |
1044 | ||
ae115e51 ILT |
1045 | |
1046 | ||
1047 | /* parse out a -heap <reserved>,<commit> line */ | |
1048 | ||
1049 | static char * | |
1050 | dores_com (ptr, output_bfd, heap) | |
1051 | char *ptr; | |
1052 | bfd *output_bfd; | |
1053 | int heap; | |
1054 | { | |
1055 | if (coff_data(output_bfd)->pe) | |
1056 | { | |
1057 | int val = strtoul (ptr, &ptr, 0); | |
1058 | if (heap) | |
1059 | pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve =val; | |
1060 | else | |
1061 | pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve =val; | |
1062 | ||
1063 | if (ptr[0] == ',') | |
1064 | { | |
1065 | int val = strtoul (ptr+1, &ptr, 0); | |
1066 | if (heap) | |
1067 | pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit =val; | |
1068 | else | |
1069 | pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit =val; | |
1070 | } | |
1071 | } | |
1072 | return ptr; | |
1073 | } | |
1074 | ||
1075 | static char *get_name(ptr, dst) | |
1076 | char *ptr; | |
1077 | char **dst; | |
1078 | { | |
1079 | while (*ptr == ' ') | |
1080 | ptr++; | |
1081 | *dst = ptr; | |
1082 | while (*ptr && *ptr != ' ') | |
1083 | ptr++; | |
1084 | *ptr = 0; | |
1085 | return ptr+1; | |
1086 | } | |
1087 | /* Process any magic embedded commands in a section called .drectve */ | |
1088 | ||
1089 | int | |
1090 | process_embedded_commands (output_bfd, info, abfd) | |
1091 | bfd *output_bfd; | |
1092 | struct bfd_link_info *info; | |
1093 | bfd *abfd; | |
1094 | { | |
1095 | asection *sec = bfd_get_section_by_name (abfd, ".drectve"); | |
1096 | char *s; | |
1097 | char *e; | |
1098 | char *copy; | |
1099 | if (!sec) | |
1100 | return 1; | |
1101 | ||
1102 | copy = malloc ((size_t) sec->_raw_size); | |
1103 | if (!copy) | |
1104 | { | |
1105 | bfd_set_error (bfd_error_no_memory); | |
1106 | return 0; | |
1107 | } | |
1108 | if (! bfd_get_section_contents(abfd, sec, copy, 0, sec->_raw_size)) | |
1109 | { | |
1110 | free (copy); | |
1111 | return 0; | |
1112 | } | |
1113 | e = copy + sec->_raw_size; | |
1114 | for (s = copy; s < e ; ) | |
1115 | { | |
1116 | if (s[0]!= '-') { | |
1117 | s++; | |
1118 | continue; | |
1119 | } | |
1120 | if (strncmp (s,"-attr", 5) == 0) | |
1121 | { | |
1122 | char *name; | |
1123 | char *attribs; | |
1124 | asection *asec; | |
1125 | ||
1126 | int loop = 1; | |
1127 | int had_write = 0; | |
1128 | int had_read = 0; | |
1129 | int had_exec= 0; | |
1130 | int had_shared= 0; | |
1131 | s += 5; | |
1132 | s = get_name(s, &name); | |
1133 | s = get_name(s, &attribs); | |
1134 | while (loop) { | |
1135 | switch (*attribs++) | |
1136 | { | |
1137 | case 'W': | |
1138 | had_write = 1; | |
1139 | break; | |
1140 | case 'R': | |
1141 | had_read = 1; | |
1142 | break; | |
1143 | case 'S': | |
1144 | had_shared = 1; | |
1145 | break; | |
1146 | case 'X': | |
1147 | had_exec = 1; | |
1148 | break; | |
1149 | default: | |
1150 | loop = 0; | |
1151 | } | |
1152 | } | |
1153 | asec = bfd_get_section_by_name (abfd, name); | |
1154 | if (asec) { | |
1155 | if (had_exec) | |
1156 | asec->flags |= SEC_CODE; | |
1157 | if (!had_write) | |
1158 | asec->flags |= SEC_READONLY; | |
1159 | } | |
1160 | } | |
1161 | else if (strncmp (s,"-heap", 5) == 0) | |
1162 | { | |
1163 | s = dores_com (s+5, output_bfd, 1); | |
1164 | } | |
1165 | else if (strncmp (s,"-stack", 6) == 0) | |
1166 | { | |
1167 | s = dores_com (s+6, output_bfd, 0); | |
1168 | } | |
1169 | else | |
1170 | s++; | |
1171 | } | |
1172 | free (copy); | |
1173 | return 1; | |
1174 | } | |
1175 | ||
69645d10 ILT |
1176 | /* Link an input file into the linker output file. This function |
1177 | handles all the sections and relocations of the input file at once. */ | |
1178 | ||
1179 | static boolean | |
1180 | coff_link_input_bfd (finfo, input_bfd) | |
1181 | struct coff_final_link_info *finfo; | |
1182 | bfd *input_bfd; | |
1183 | { | |
1184 | boolean (*sym_is_global) PARAMS ((bfd *, struct internal_syment *)); | |
d25079a0 SC |
1185 | boolean (*adjust_symndx) PARAMS ((bfd *, struct bfd_link_info *, bfd *, |
1186 | asection *, struct internal_reloc *, | |
1187 | boolean *)); | |
69645d10 ILT |
1188 | bfd *output_bfd; |
1189 | const char *strings; | |
1190 | bfd_size_type syment_base; | |
1191 | unsigned int n_tmask; | |
1192 | unsigned int n_btshft; | |
1193 | boolean copy, hash; | |
1194 | bfd_size_type isymesz; | |
1195 | bfd_size_type osymesz; | |
1196 | bfd_size_type linesz; | |
1197 | bfd_byte *esym; | |
1198 | bfd_byte *esym_end; | |
1199 | struct internal_syment *isymp; | |
1200 | asection **secpp; | |
1201 | long *indexp; | |
ae115e51 | 1202 | unsigned long output_index; |
69645d10 ILT |
1203 | bfd_byte *outsym; |
1204 | struct coff_link_hash_entry **sym_hash; | |
69645d10 ILT |
1205 | asection *o; |
1206 | ||
1207 | /* Move all the symbols to the output file. */ | |
1208 | ||
1209 | output_bfd = finfo->output_bfd; | |
1210 | sym_is_global = coff_backend_info (input_bfd)->_bfd_coff_sym_is_global; | |
1211 | strings = NULL; | |
1212 | syment_base = obj_raw_syment_count (output_bfd); | |
1213 | isymesz = bfd_coff_symesz (input_bfd); | |
1214 | osymesz = bfd_coff_symesz (output_bfd); | |
1215 | linesz = bfd_coff_linesz (input_bfd); | |
1216 | BFD_ASSERT (linesz == bfd_coff_linesz (output_bfd)); | |
1217 | ||
1218 | n_tmask = coff_data (input_bfd)->local_n_tmask; | |
1219 | n_btshft = coff_data (input_bfd)->local_n_btshft; | |
1220 | ||
1221 | /* Define macros so that ISFCN, et. al., macros work correctly. */ | |
1222 | #define N_TMASK n_tmask | |
1223 | #define N_BTSHFT n_btshft | |
1224 | ||
1225 | copy = false; | |
1226 | if (! finfo->info->keep_memory) | |
1227 | copy = true; | |
1228 | hash = true; | |
1229 | if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0) | |
1230 | hash = false; | |
1231 | ||
ff31ebda | 1232 | if (! _bfd_coff_get_external_symbols (input_bfd)) |
69645d10 ILT |
1233 | return false; |
1234 | ||
1235 | esym = (bfd_byte *) obj_coff_external_syms (input_bfd); | |
1236 | esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz; | |
1237 | isymp = finfo->internal_syms; | |
1238 | secpp = finfo->sec_ptrs; | |
1239 | indexp = finfo->sym_indices; | |
1240 | output_index = syment_base; | |
1241 | outsym = finfo->outsyms; | |
d25079a0 | 1242 | |
ae115e51 | 1243 | if (coff_data(output_bfd)->pe) |
d25079a0 | 1244 | { |
ae115e51 | 1245 | if (!process_embedded_commands (output_bfd, finfo->info, input_bfd)) |
d25079a0 SC |
1246 | return false; |
1247 | } | |
1248 | ||
69645d10 ILT |
1249 | while (esym < esym_end) |
1250 | { | |
1251 | struct internal_syment isym; | |
1252 | boolean skip; | |
1253 | boolean global; | |
1254 | int add; | |
1255 | ||
1256 | bfd_coff_swap_sym_in (input_bfd, (PTR) esym, (PTR) isymp); | |
1257 | ||
1258 | /* Make a copy of *isymp so that the relocate_section function | |
1259 | always sees the original values. This is more reliable than | |
1260 | always recomputing the symbol value even if we are stripping | |
1261 | the symbol. */ | |
1262 | isym = *isymp; | |
1263 | ||
2a895595 ILT |
1264 | if (isym.n_scnum != 0) |
1265 | *secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum); | |
1266 | else | |
1267 | { | |
1268 | if (isym.n_value == 0) | |
1269 | *secpp = bfd_und_section_ptr; | |
1270 | else | |
1271 | *secpp = bfd_com_section_ptr; | |
1272 | } | |
1273 | ||
69645d10 ILT |
1274 | *indexp = -1; |
1275 | ||
1276 | skip = false; | |
1277 | global = false; | |
1278 | add = 1 + isym.n_numaux; | |
1279 | ||
1280 | /* If we are stripping all symbols, we want to skip this one. */ | |
1281 | if (finfo->info->strip == strip_all) | |
1282 | skip = true; | |
1283 | ||
1284 | if (! skip) | |
1285 | { | |
1286 | if (isym.n_sclass == C_EXT | |
1287 | || (sym_is_global && (*sym_is_global) (input_bfd, &isym))) | |
1288 | { | |
1289 | /* This is a global symbol. Global symbols come at the | |
1290 | end of the symbol table, so skip them for now. | |
1291 | Function symbols, however, are an exception, and are | |
1292 | not moved to the end. */ | |
1293 | global = true; | |
1294 | if (! ISFCN (isym.n_type)) | |
1295 | skip = true; | |
1296 | } | |
1297 | else | |
1298 | { | |
1299 | /* This is a local symbol. Skip it if we are discarding | |
1300 | local symbols. */ | |
1301 | if (finfo->info->discard == discard_all) | |
1302 | skip = true; | |
1303 | } | |
1304 | } | |
1305 | ||
1306 | /* If we stripping debugging symbols, and this is a debugging | |
1307 | symbol, then skip it. */ | |
1308 | if (! skip | |
1309 | && finfo->info->strip == strip_debugger | |
1310 | && isym.n_scnum == N_DEBUG) | |
1311 | skip = true; | |
1312 | ||
1313 | /* If some symbols are stripped based on the name, work out the | |
1314 | name and decide whether to skip this symbol. */ | |
1315 | if (! skip | |
1316 | && (finfo->info->strip == strip_some | |
1317 | || finfo->info->discard == discard_l)) | |
1318 | { | |
1319 | const char *name; | |
1320 | char buf[SYMNMLEN + 1]; | |
1321 | ||
ff31ebda KR |
1322 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); |
1323 | if (name == NULL) | |
1324 | return false; | |
69645d10 ILT |
1325 | |
1326 | if ((finfo->info->strip == strip_some | |
1327 | && (bfd_hash_lookup (finfo->info->keep_hash, name, false, | |
1328 | false) == NULL)) | |
1329 | || (! global | |
1330 | && finfo->info->discard == discard_l | |
1331 | && strncmp (name, finfo->info->lprefix, | |
1332 | finfo->info->lprefix_len) == 0)) | |
1333 | skip = true; | |
1334 | } | |
1335 | ||
1336 | /* We now know whether we are to skip this symbol or not. */ | |
1337 | if (! skip) | |
1338 | { | |
1339 | /* Adjust the symbol in order to output it. */ | |
1340 | ||
1341 | if (isym._n._n_n._n_zeroes == 0 | |
1342 | && isym._n._n_n._n_offset != 0) | |
1343 | { | |
1344 | const char *name; | |
1345 | bfd_size_type indx; | |
1346 | ||
1347 | /* This symbol has a long name. Enter it in the string | |
1348 | table we are building. Note that we do not check | |
1349 | bfd_coff_symname_in_debug. That is only true for | |
1350 | XCOFF, and XCOFF requires different linking code | |
1351 | anyhow. */ | |
ff31ebda KR |
1352 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, |
1353 | (char *) NULL); | |
1354 | if (name == NULL) | |
1355 | return false; | |
69645d10 ILT |
1356 | indx = _bfd_stringtab_add (finfo->strtab, name, hash, copy); |
1357 | if (indx == (bfd_size_type) -1) | |
1358 | return false; | |
1359 | isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; | |
1360 | } | |
1361 | ||
1362 | if (isym.n_scnum > 0) | |
1363 | { | |
1364 | isym.n_scnum = (*secpp)->output_section->target_index; | |
1365 | isym.n_value += ((*secpp)->output_section->vma | |
1366 | + (*secpp)->output_offset | |
1367 | - (*secpp)->vma); | |
1368 | } | |
1369 | ||
1370 | /* The value of a C_FILE symbol is the symbol index of the | |
1371 | next C_FILE symbol. The value of the last C_FILE symbol | |
1372 | is the symbol index to the first external symbol | |
1373 | (actually, coff_renumber_symbols does not get this | |
1374 | right--it just sets the value of the last C_FILE symbol | |
1375 | to zero--and nobody has ever complained about it). We | |
1376 | try to get this right, below, just before we write the | |
1377 | symbols out, but in the general case we may have to write | |
1378 | the symbol out twice. */ | |
1379 | if (isym.n_sclass == C_FILE) | |
1380 | { | |
1381 | if (finfo->last_file_index != -1 | |
ae115e51 | 1382 | && finfo->last_file.n_value != (long) output_index) |
69645d10 ILT |
1383 | { |
1384 | /* We must correct the value of the last C_FILE entry. */ | |
1385 | finfo->last_file.n_value = output_index; | |
ae115e51 | 1386 | if ((bfd_size_type) finfo->last_file_index >= syment_base) |
69645d10 ILT |
1387 | { |
1388 | /* The last C_FILE symbol is in this input file. */ | |
1389 | bfd_coff_swap_sym_out (output_bfd, | |
1390 | (PTR) &finfo->last_file, | |
1391 | (PTR) (finfo->outsyms | |
1392 | + ((finfo->last_file_index | |
1393 | - syment_base) | |
1394 | * osymesz))); | |
1395 | } | |
1396 | else | |
1397 | { | |
1398 | /* We have already written out the last C_FILE | |
1399 | symbol. We need to write it out again. We | |
1400 | borrow *outsym temporarily. */ | |
1401 | bfd_coff_swap_sym_out (output_bfd, | |
1402 | (PTR) &finfo->last_file, | |
1403 | (PTR) outsym); | |
1404 | if (bfd_seek (output_bfd, | |
1405 | (obj_sym_filepos (output_bfd) | |
1406 | + finfo->last_file_index * osymesz), | |
1407 | SEEK_SET) != 0 | |
1408 | || (bfd_write (outsym, osymesz, 1, output_bfd) | |
1409 | != osymesz)) | |
1410 | return false; | |
1411 | } | |
1412 | } | |
1413 | ||
1414 | finfo->last_file_index = output_index; | |
1415 | finfo->last_file = isym; | |
1416 | } | |
1417 | ||
1418 | /* Output the symbol. */ | |
1419 | ||
1420 | bfd_coff_swap_sym_out (output_bfd, (PTR) &isym, (PTR) outsym); | |
1421 | ||
1422 | *indexp = output_index; | |
1423 | ||
1424 | if (global) | |
1425 | { | |
1426 | long indx; | |
1427 | struct coff_link_hash_entry *h; | |
1428 | ||
1429 | indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd)) | |
1430 | / isymesz); | |
1431 | h = obj_coff_sym_hashes (input_bfd)[indx]; | |
1432 | BFD_ASSERT (h != NULL); | |
1433 | h->indx = output_index; | |
1434 | } | |
1435 | ||
1436 | output_index += add; | |
1437 | outsym += add * osymesz; | |
1438 | } | |
1439 | ||
1440 | esym += add * isymesz; | |
1441 | isymp += add; | |
1442 | ++secpp; | |
1443 | ++indexp; | |
1444 | for (--add; add > 0; --add) | |
1445 | { | |
1446 | *secpp++ = NULL; | |
1447 | *indexp++ = -1; | |
1448 | } | |
1449 | } | |
1450 | ||
1451 | /* Fix up the aux entries. This must be done in a separate pass, | |
1452 | because we don't know the correct symbol indices until we have | |
1453 | already decided which symbols we are going to keep. */ | |
1454 | ||
1455 | esym = (bfd_byte *) obj_coff_external_syms (input_bfd); | |
1456 | esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz; | |
1457 | isymp = finfo->internal_syms; | |
1458 | indexp = finfo->sym_indices; | |
1459 | sym_hash = obj_coff_sym_hashes (input_bfd); | |
1460 | outsym = finfo->outsyms; | |
1461 | while (esym < esym_end) | |
1462 | { | |
1463 | int add; | |
1464 | ||
1465 | add = 1 + isymp->n_numaux; | |
1466 | ||
1467 | if (*indexp < 0 | |
1468 | && (*sym_hash == NULL | |
1469 | || (*sym_hash)->auxbfd != input_bfd)) | |
1470 | esym += add * isymesz; | |
1471 | else | |
1472 | { | |
1473 | struct coff_link_hash_entry *h; | |
1474 | int i; | |
1475 | ||
1476 | h = NULL; | |
1477 | if (*indexp < 0) | |
1478 | { | |
1479 | h = *sym_hash; | |
1480 | BFD_ASSERT (h->numaux == isymp->n_numaux); | |
1481 | } | |
1482 | ||
1483 | esym += isymesz; | |
1484 | ||
1485 | if (h == NULL) | |
1486 | outsym += osymesz; | |
1487 | ||
1488 | /* Handle the aux entries. This handling is based on | |
1489 | coff_pointerize_aux. I don't know if it always correct. */ | |
1490 | for (i = 0; i < isymp->n_numaux && esym < esym_end; i++) | |
1491 | { | |
1492 | union internal_auxent aux; | |
1493 | union internal_auxent *auxp; | |
1494 | ||
1495 | if (h != NULL) | |
1496 | auxp = h->aux + i; | |
1497 | else | |
1498 | { | |
1499 | bfd_coff_swap_aux_in (input_bfd, (PTR) esym, isymp->n_type, | |
1500 | isymp->n_sclass, i, isymp->n_numaux, | |
1501 | (PTR) &aux); | |
1502 | auxp = &aux; | |
1503 | } | |
1504 | ||
1505 | if (isymp->n_sclass == C_FILE) | |
1506 | { | |
1507 | /* If this is a long filename, we must put it in the | |
1508 | string table. */ | |
d25079a0 SC |
1509 | if (auxp->x_file.x_n.x_zeroes == 0 |
1510 | && auxp->x_file.x_n.x_offset != 0) | |
69645d10 ILT |
1511 | { |
1512 | const char *filename; | |
1513 | bfd_size_type indx; | |
1514 | ||
1515 | BFD_ASSERT (auxp->x_file.x_n.x_offset | |
1516 | >= STRING_SIZE_SIZE); | |
1517 | if (strings == NULL) | |
1518 | { | |
ff31ebda | 1519 | strings = _bfd_coff_read_string_table (input_bfd); |
69645d10 ILT |
1520 | if (strings == NULL) |
1521 | return false; | |
1522 | } | |
1523 | filename = strings + auxp->x_file.x_n.x_offset; | |
1524 | indx = _bfd_stringtab_add (finfo->strtab, filename, | |
1525 | hash, copy); | |
1526 | if (indx == (bfd_size_type) -1) | |
1527 | return false; | |
1528 | auxp->x_file.x_n.x_offset = STRING_SIZE_SIZE + indx; | |
1529 | } | |
1530 | } | |
1531 | else if (isymp->n_sclass != C_STAT || isymp->n_type != T_NULL) | |
1532 | { | |
ae115e51 | 1533 | unsigned long indx; |
69645d10 ILT |
1534 | |
1535 | if (ISFCN (isymp->n_type) | |
1536 | || ISTAG (isymp->n_sclass) | |
1537 | || isymp->n_sclass == C_BLOCK) | |
1538 | { | |
1539 | indx = auxp->x_sym.x_fcnary.x_fcn.x_endndx.l; | |
1540 | if (indx > 0 | |
1541 | && indx < obj_raw_syment_count (input_bfd)) | |
1542 | { | |
1543 | /* We look forward through the symbol for | |
1544 | the index of the next symbol we are going | |
1545 | to include. I don't know if this is | |
1546 | entirely right. */ | |
1547 | while (finfo->sym_indices[indx] < 0 | |
1548 | && indx < obj_raw_syment_count (input_bfd)) | |
1549 | ++indx; | |
1550 | if (indx >= obj_raw_syment_count (input_bfd)) | |
1551 | indx = output_index; | |
1552 | else | |
1553 | indx = finfo->sym_indices[indx]; | |
1554 | auxp->x_sym.x_fcnary.x_fcn.x_endndx.l = indx; | |
1555 | } | |
1556 | } | |
1557 | ||
1558 | indx = auxp->x_sym.x_tagndx.l; | |
1559 | if (indx > 0 && indx < obj_raw_syment_count (input_bfd)) | |
1560 | { | |
ae115e51 ILT |
1561 | long symindx; |
1562 | ||
1563 | symindx = finfo->sym_indices[indx]; | |
1564 | if (symindx < 0) | |
69645d10 ILT |
1565 | auxp->x_sym.x_tagndx.l = 0; |
1566 | else | |
ae115e51 | 1567 | auxp->x_sym.x_tagndx.l = symindx; |
69645d10 ILT |
1568 | } |
1569 | } | |
1570 | ||
1571 | if (h == NULL) | |
1572 | { | |
1573 | bfd_coff_swap_aux_out (output_bfd, (PTR) auxp, isymp->n_type, | |
1574 | isymp->n_sclass, i, isymp->n_numaux, | |
1575 | (PTR) outsym); | |
1576 | outsym += osymesz; | |
1577 | } | |
1578 | ||
1579 | esym += isymesz; | |
1580 | } | |
1581 | } | |
1582 | ||
1583 | indexp += add; | |
1584 | isymp += add; | |
1585 | sym_hash += add; | |
1586 | } | |
1587 | ||
1588 | /* Relocate the line numbers, unless we are stripping them. */ | |
1589 | if (finfo->info->strip == strip_none | |
1590 | || finfo->info->strip == strip_some) | |
1591 | { | |
1592 | for (o = input_bfd->sections; o != NULL; o = o->next) | |
1593 | { | |
1594 | bfd_vma offset; | |
1595 | bfd_byte *eline; | |
1596 | bfd_byte *elineend; | |
1597 | ||
3ea928f5 SC |
1598 | /* FIXME: If SEC_HAS_CONTENTS is not for the section, then |
1599 | build_link_order in ldwrite.c will not have created a | |
1600 | link order, which means that we will not have seen this | |
1601 | input section in _bfd_coff_final_link, which means that | |
1602 | we will not have allocated space for the line numbers of | |
1603 | this section. I don't think line numbers can be | |
1604 | meaningful for a section which does not have | |
1605 | SEC_HAS_CONTENTS set, but, if they do, this must be | |
1606 | changed. */ | |
1607 | if (o->lineno_count == 0 | |
1608 | || (o->output_section->flags & SEC_HAS_CONTENTS) == 0) | |
69645d10 ILT |
1609 | continue; |
1610 | ||
1611 | if (bfd_seek (input_bfd, o->line_filepos, SEEK_SET) != 0 | |
1612 | || bfd_read (finfo->linenos, linesz, o->lineno_count, | |
1613 | input_bfd) != linesz * o->lineno_count) | |
1614 | return false; | |
1615 | ||
1616 | offset = o->output_section->vma + o->output_offset - o->vma; | |
1617 | eline = finfo->linenos; | |
1618 | elineend = eline + linesz * o->lineno_count; | |
1619 | for (; eline < elineend; eline += linesz) | |
1620 | { | |
1621 | struct internal_lineno iline; | |
1622 | ||
1623 | bfd_coff_swap_lineno_in (input_bfd, (PTR) eline, (PTR) &iline); | |
1624 | ||
1625 | if (iline.l_lnno != 0) | |
1626 | iline.l_addr.l_paddr += offset; | |
1627 | else if (iline.l_addr.l_symndx >= 0 | |
ae115e51 | 1628 | && ((unsigned long) iline.l_addr.l_symndx |
69645d10 ILT |
1629 | < obj_raw_syment_count (input_bfd))) |
1630 | { | |
1631 | long indx; | |
1632 | ||
1633 | indx = finfo->sym_indices[iline.l_addr.l_symndx]; | |
1634 | ||
1635 | if (indx < 0) | |
1636 | { | |
1637 | /* These line numbers are attached to a symbol | |
1638 | which we are stripping. We should really | |
1639 | just discard the line numbers, but that would | |
1640 | be a pain because we have already counted | |
1641 | them. */ | |
1642 | indx = 0; | |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | struct internal_syment is; | |
1647 | union internal_auxent ia; | |
1648 | ||
1649 | /* Fix up the lnnoptr field in the aux entry of | |
1650 | the symbol. It turns out that we can't do | |
1651 | this when we modify the symbol aux entries, | |
1652 | because gas sometimes screws up the lnnoptr | |
1653 | field and makes it an offset from the start | |
1654 | of the line numbers rather than an absolute | |
1655 | file index. */ | |
1656 | bfd_coff_swap_sym_in (output_bfd, | |
1657 | (PTR) (finfo->outsyms | |
1658 | + ((indx - syment_base) | |
1659 | * osymesz)), | |
1660 | (PTR) &is); | |
1661 | if ((ISFCN (is.n_type) | |
1662 | || is.n_sclass == C_BLOCK) | |
1663 | && is.n_numaux >= 1) | |
1664 | { | |
1665 | PTR auxptr; | |
1666 | ||
1667 | auxptr = (PTR) (finfo->outsyms | |
1668 | + ((indx - syment_base + 1) | |
1669 | * osymesz)); | |
1670 | bfd_coff_swap_aux_in (output_bfd, auxptr, | |
1671 | is.n_type, is.n_sclass, | |
1672 | 0, is.n_numaux, (PTR) &ia); | |
1673 | ia.x_sym.x_fcnary.x_fcn.x_lnnoptr = | |
1674 | (o->output_section->line_filepos | |
1675 | + o->output_section->lineno_count * linesz | |
1676 | + eline - finfo->linenos); | |
1677 | bfd_coff_swap_aux_out (output_bfd, (PTR) &ia, | |
1678 | is.n_type, is.n_sclass, 0, | |
1679 | is.n_numaux, auxptr); | |
1680 | } | |
1681 | } | |
1682 | ||
1683 | iline.l_addr.l_symndx = indx; | |
1684 | } | |
1685 | ||
1686 | bfd_coff_swap_lineno_out (output_bfd, (PTR) &iline, (PTR) eline); | |
1687 | } | |
1688 | ||
1689 | if (bfd_seek (output_bfd, | |
1690 | (o->output_section->line_filepos | |
1691 | + o->output_section->lineno_count * linesz), | |
1692 | SEEK_SET) != 0 | |
1693 | || bfd_write (finfo->linenos, linesz, o->lineno_count, | |
1694 | output_bfd) != linesz * o->lineno_count) | |
1695 | return false; | |
1696 | ||
1697 | o->output_section->lineno_count += o->lineno_count; | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | /* If we swapped out a C_FILE symbol, guess that the next C_FILE | |
1702 | symbol will be the first symbol in the next input file. In the | |
1703 | normal case, this will save us from writing out the C_FILE symbol | |
1704 | again. */ | |
d25079a0 | 1705 | if (finfo->last_file_index != -1 |
ae115e51 | 1706 | && (bfd_size_type) finfo->last_file_index >= syment_base) |
69645d10 ILT |
1707 | { |
1708 | finfo->last_file.n_value = output_index; | |
1709 | bfd_coff_swap_sym_out (output_bfd, (PTR) &finfo->last_file, | |
1710 | (PTR) (finfo->outsyms | |
d25079a0 SC |
1711 | + ((finfo->last_file_index - syment_base) |
1712 | * osymesz))); | |
69645d10 ILT |
1713 | } |
1714 | ||
1715 | /* Write the modified symbols to the output file. */ | |
1716 | if (outsym > finfo->outsyms) | |
1717 | { | |
1718 | if (bfd_seek (output_bfd, | |
1719 | obj_sym_filepos (output_bfd) + syment_base * osymesz, | |
1720 | SEEK_SET) != 0 | |
ae115e51 ILT |
1721 | || (bfd_write (finfo->outsyms, outsym - finfo->outsyms, 1, |
1722 | output_bfd) | |
1723 | != (bfd_size_type) (outsym - finfo->outsyms))) | |
69645d10 ILT |
1724 | return false; |
1725 | ||
1726 | BFD_ASSERT ((obj_raw_syment_count (output_bfd) | |
1727 | + (outsym - finfo->outsyms) / osymesz) | |
1728 | == output_index); | |
1729 | ||
1730 | obj_raw_syment_count (output_bfd) = output_index; | |
1731 | } | |
1732 | ||
1733 | /* Relocate the contents of each section. */ | |
d25079a0 | 1734 | adjust_symndx = coff_backend_info (input_bfd)->_bfd_coff_adjust_symndx; |
69645d10 ILT |
1735 | for (o = input_bfd->sections; o != NULL; o = o->next) |
1736 | { | |
ff31ebda KR |
1737 | bfd_byte *contents; |
1738 | ||
69645d10 | 1739 | if ((o->flags & SEC_HAS_CONTENTS) == 0) |
aa4b3dc5 ILT |
1740 | { |
1741 | if ((o->flags & SEC_RELOC) != 0 | |
1742 | && o->reloc_count != 0) | |
1743 | { | |
1744 | ((*_bfd_error_handler) | |
1745 | ("%s: relocs in section `%s', but it has no contents", | |
1746 | bfd_get_filename (input_bfd), | |
1747 | bfd_get_section_name (input_bfd, o))); | |
1748 | bfd_set_error (bfd_error_no_contents); | |
1749 | return false; | |
1750 | } | |
1751 | ||
1752 | continue; | |
1753 | } | |
69645d10 | 1754 | |
ff31ebda KR |
1755 | if (coff_section_data (input_bfd, o) != NULL |
1756 | && coff_section_data (input_bfd, o)->contents != NULL) | |
1757 | contents = coff_section_data (input_bfd, o)->contents; | |
1758 | else | |
1759 | { | |
1760 | if (! bfd_get_section_contents (input_bfd, o, finfo->contents, | |
1761 | (file_ptr) 0, o->_raw_size)) | |
1762 | return false; | |
1763 | contents = finfo->contents; | |
1764 | } | |
69645d10 ILT |
1765 | |
1766 | if ((o->flags & SEC_RELOC) != 0) | |
1767 | { | |
1768 | int target_index; | |
1769 | struct internal_reloc *internal_relocs; | |
69645d10 ILT |
1770 | struct internal_reloc *irel; |
1771 | ||
1772 | /* Read in the relocs. */ | |
69645d10 | 1773 | target_index = o->output_section->target_index; |
ff31ebda KR |
1774 | internal_relocs = (_bfd_coff_read_internal_relocs |
1775 | (input_bfd, o, false, finfo->external_relocs, | |
1776 | finfo->info->relocateable, | |
1777 | (finfo->info->relocateable | |
1778 | ? (finfo->section_info[target_index].relocs | |
1779 | + o->output_section->reloc_count) | |
1780 | : finfo->internal_relocs))); | |
1781 | if (internal_relocs == NULL) | |
1782 | return false; | |
69645d10 ILT |
1783 | |
1784 | /* Call processor specific code to relocate the section | |
1785 | contents. */ | |
1786 | if (! bfd_coff_relocate_section (output_bfd, finfo->info, | |
1787 | input_bfd, o, | |
ff31ebda | 1788 | contents, |
69645d10 ILT |
1789 | internal_relocs, |
1790 | finfo->internal_syms, | |
1791 | finfo->sec_ptrs)) | |
1792 | return false; | |
1793 | ||
1794 | if (finfo->info->relocateable) | |
1795 | { | |
1796 | bfd_vma offset; | |
1797 | struct internal_reloc *irelend; | |
1798 | struct coff_link_hash_entry **rel_hash; | |
1799 | ||
1800 | offset = o->output_section->vma + o->output_offset - o->vma; | |
69645d10 ILT |
1801 | irel = internal_relocs; |
1802 | irelend = irel + o->reloc_count; | |
2a895595 ILT |
1803 | rel_hash = (finfo->section_info[target_index].rel_hashes |
1804 | + o->output_section->reloc_count); | |
69645d10 ILT |
1805 | for (; irel < irelend; irel++, rel_hash++) |
1806 | { | |
1807 | struct coff_link_hash_entry *h; | |
d25079a0 | 1808 | boolean adjusted; |
69645d10 ILT |
1809 | |
1810 | *rel_hash = NULL; | |
1811 | ||
1812 | /* Adjust the reloc address and symbol index. */ | |
1813 | ||
1814 | irel->r_vaddr += offset; | |
1815 | ||
2a895595 ILT |
1816 | if (irel->r_symndx == -1) |
1817 | continue; | |
1818 | ||
d25079a0 SC |
1819 | if (adjust_symndx) |
1820 | { | |
1821 | if (! (*adjust_symndx) (output_bfd, finfo->info, | |
1822 | input_bfd, o, irel, | |
1823 | &adjusted)) | |
1824 | return false; | |
1825 | if (adjusted) | |
1826 | continue; | |
1827 | } | |
1828 | ||
69645d10 ILT |
1829 | h = obj_coff_sym_hashes (input_bfd)[irel->r_symndx]; |
1830 | if (h != NULL) | |
1831 | { | |
1832 | /* This is a global symbol. */ | |
1833 | if (h->indx >= 0) | |
1834 | irel->r_symndx = h->indx; | |
1835 | else | |
1836 | { | |
1837 | /* This symbol is being written at the end | |
1838 | of the file, and we do not yet know the | |
1839 | symbol index. We save the pointer to the | |
1840 | hash table entry in the rel_hash list. | |
1841 | We set the indx field to -2 to indicate | |
1842 | that this symbol must not be stripped. */ | |
1843 | *rel_hash = h; | |
1844 | h->indx = -2; | |
1845 | } | |
1846 | } | |
1847 | else | |
1848 | { | |
1849 | long indx; | |
1850 | ||
1851 | indx = finfo->sym_indices[irel->r_symndx]; | |
1852 | if (indx != -1) | |
1853 | irel->r_symndx = indx; | |
1854 | else | |
1855 | { | |
1856 | struct internal_syment *is; | |
1857 | const char *name; | |
1858 | char buf[SYMNMLEN + 1]; | |
1859 | ||
1860 | /* This reloc is against a symbol we are | |
1861 | stripping. It would be possible to | |
1862 | handle this case, but I don't think it's | |
1863 | worth it. */ | |
1864 | is = finfo->internal_syms + irel->r_symndx; | |
1865 | ||
ff31ebda KR |
1866 | name = (_bfd_coff_internal_syment_name |
1867 | (input_bfd, is, buf)); | |
1868 | if (name == NULL) | |
1869 | return false; | |
69645d10 ILT |
1870 | |
1871 | if (! ((*finfo->info->callbacks->unattached_reloc) | |
1872 | (finfo->info, name, input_bfd, o, | |
1873 | irel->r_vaddr))) | |
1874 | return false; | |
1875 | } | |
1876 | } | |
1877 | } | |
1878 | ||
1879 | o->output_section->reloc_count += o->reloc_count; | |
1880 | } | |
1881 | } | |
1882 | ||
1883 | /* Write out the modified section contents. */ | |
1884 | if (! bfd_set_section_contents (output_bfd, o->output_section, | |
ff31ebda | 1885 | contents, o->output_offset, |
69645d10 ILT |
1886 | (o->_cooked_size != 0 |
1887 | ? o->_cooked_size | |
1888 | : o->_raw_size))) | |
1889 | return false; | |
1890 | } | |
1891 | ||
1892 | if (! finfo->info->keep_memory) | |
1893 | { | |
ff31ebda | 1894 | if (! _bfd_coff_free_symbols (input_bfd)) |
69645d10 ILT |
1895 | return false; |
1896 | } | |
1897 | ||
1898 | return true; | |
1899 | } | |
1900 | ||
1901 | /* Write out a global symbol. Called via coff_link_hash_traverse. */ | |
1902 | ||
1903 | static boolean | |
1904 | coff_write_global_sym (h, data) | |
1905 | struct coff_link_hash_entry *h; | |
1906 | PTR data; | |
1907 | { | |
1908 | struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; | |
1909 | bfd *output_bfd; | |
1910 | struct internal_syment isym; | |
1911 | bfd_size_type symesz; | |
1912 | unsigned int i; | |
1913 | ||
1914 | output_bfd = finfo->output_bfd; | |
1915 | ||
1916 | if (h->indx >= 0) | |
1917 | return true; | |
1918 | ||
1919 | if (h->indx != -2 | |
1920 | && (finfo->info->strip == strip_all | |
1921 | || (finfo->info->strip == strip_some | |
1922 | && (bfd_hash_lookup (finfo->info->keep_hash, | |
1923 | h->root.root.string, false, false) | |
1924 | == NULL)))) | |
1925 | return true; | |
1926 | ||
1927 | switch (h->root.type) | |
1928 | { | |
1929 | default: | |
1930 | case bfd_link_hash_new: | |
1931 | abort (); | |
1932 | return false; | |
1933 | ||
1934 | case bfd_link_hash_undefined: | |
d25079a0 | 1935 | case bfd_link_hash_undefweak: |
69645d10 ILT |
1936 | isym.n_scnum = N_UNDEF; |
1937 | isym.n_value = 0; | |
1938 | break; | |
1939 | ||
1940 | case bfd_link_hash_defined: | |
d25079a0 | 1941 | case bfd_link_hash_defweak: |
69645d10 ILT |
1942 | { |
1943 | asection *sec; | |
1944 | ||
1945 | sec = h->root.u.def.section->output_section; | |
1946 | if (bfd_is_abs_section (sec)) | |
1947 | isym.n_scnum = N_ABS; | |
1948 | else | |
1949 | isym.n_scnum = sec->target_index; | |
1950 | isym.n_value = (h->root.u.def.value | |
1951 | + sec->vma | |
1952 | + h->root.u.def.section->output_offset); | |
1953 | } | |
1954 | break; | |
1955 | ||
1956 | case bfd_link_hash_common: | |
1957 | isym.n_scnum = N_UNDEF; | |
1958 | isym.n_value = h->root.u.c.size; | |
1959 | break; | |
1960 | ||
1961 | case bfd_link_hash_indirect: | |
1962 | case bfd_link_hash_warning: | |
1963 | /* Just ignore these. They can't be handled anyhow. */ | |
1964 | return true; | |
1965 | } | |
1966 | ||
1967 | if (strlen (h->root.root.string) <= SYMNMLEN) | |
1968 | strncpy (isym._n._n_name, h->root.root.string, SYMNMLEN); | |
1969 | else | |
1970 | { | |
1971 | boolean hash; | |
1972 | bfd_size_type indx; | |
1973 | ||
1974 | hash = true; | |
1975 | if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0) | |
1976 | hash = false; | |
1977 | indx = _bfd_stringtab_add (finfo->strtab, h->root.root.string, hash, | |
1978 | false); | |
1979 | if (indx == (bfd_size_type) -1) | |
1980 | { | |
1981 | finfo->failed = true; | |
1982 | return false; | |
1983 | } | |
1984 | isym._n._n_n._n_zeroes = 0; | |
1985 | isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; | |
1986 | } | |
1987 | ||
1988 | isym.n_sclass = h->class; | |
1989 | isym.n_type = h->type; | |
1990 | ||
1991 | if (isym.n_sclass == C_NULL) | |
1992 | isym.n_sclass = C_EXT; | |
1993 | ||
1994 | isym.n_numaux = h->numaux; | |
1995 | ||
1996 | bfd_coff_swap_sym_out (output_bfd, (PTR) &isym, (PTR) finfo->outsyms); | |
1997 | ||
1998 | symesz = bfd_coff_symesz (output_bfd); | |
1999 | ||
2000 | if (bfd_seek (output_bfd, | |
2001 | (obj_sym_filepos (output_bfd) | |
2002 | + obj_raw_syment_count (output_bfd) * symesz), | |
2003 | SEEK_SET) != 0 | |
2004 | || bfd_write (finfo->outsyms, symesz, 1, output_bfd) != symesz) | |
2005 | { | |
2006 | finfo->failed = true; | |
2007 | return false; | |
2008 | } | |
2009 | ||
2010 | h->indx = obj_raw_syment_count (output_bfd); | |
2011 | ||
2012 | ++obj_raw_syment_count (output_bfd); | |
2013 | ||
2014 | /* Write out any associated aux entries. There normally will be | |
2015 | none. If there are any, I have no idea how to modify them. */ | |
2016 | for (i = 0; i < isym.n_numaux; i++) | |
2017 | { | |
2018 | bfd_coff_swap_aux_out (output_bfd, (PTR) (h->aux + i), isym.n_type, | |
2019 | isym.n_sclass, i, isym.n_numaux, | |
2020 | (PTR) finfo->outsyms); | |
2021 | if (bfd_write (finfo->outsyms, symesz, 1, output_bfd) != symesz) | |
2022 | { | |
2023 | finfo->failed = true; | |
2024 | return false; | |
2025 | } | |
2026 | ++obj_raw_syment_count (output_bfd); | |
2027 | } | |
2028 | ||
2029 | return true; | |
2030 | } | |
2031 | ||
2032 | /* Handle a link order which is supposed to generate a reloc. */ | |
2033 | ||
2034 | static boolean | |
2035 | coff_reloc_link_order (output_bfd, finfo, output_section, link_order) | |
2036 | bfd *output_bfd; | |
2037 | struct coff_final_link_info *finfo; | |
2038 | asection *output_section; | |
2039 | struct bfd_link_order *link_order; | |
2040 | { | |
d25079a0 | 2041 | reloc_howto_type *howto; |
69645d10 ILT |
2042 | struct internal_reloc *irel; |
2043 | struct coff_link_hash_entry **rel_hash_ptr; | |
2044 | ||
2045 | howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
2046 | if (howto == NULL) | |
2047 | { | |
2048 | bfd_set_error (bfd_error_bad_value); | |
2049 | return false; | |
2050 | } | |
2051 | ||
2052 | if (link_order->u.reloc.p->addend != 0) | |
2053 | { | |
2054 | bfd_size_type size; | |
2055 | bfd_byte *buf; | |
2056 | bfd_reloc_status_type rstat; | |
2057 | boolean ok; | |
2058 | ||
2059 | size = bfd_get_reloc_size (howto); | |
2060 | buf = (bfd_byte *) bfd_zmalloc (size); | |
2061 | if (buf == NULL) | |
2062 | { | |
2063 | bfd_set_error (bfd_error_no_memory); | |
2064 | return false; | |
2065 | } | |
2066 | ||
2067 | rstat = _bfd_relocate_contents (howto, output_bfd, | |
2068 | link_order->u.reloc.p->addend, buf); | |
2069 | switch (rstat) | |
2070 | { | |
2071 | case bfd_reloc_ok: | |
2072 | break; | |
2073 | default: | |
2074 | case bfd_reloc_outofrange: | |
2075 | abort (); | |
2076 | case bfd_reloc_overflow: | |
2077 | if (! ((*finfo->info->callbacks->reloc_overflow) | |
2078 | (finfo->info, | |
2079 | (link_order->type == bfd_section_reloc_link_order | |
2080 | ? bfd_section_name (output_bfd, | |
2081 | link_order->u.reloc.p->u.section) | |
2082 | : link_order->u.reloc.p->u.name), | |
2083 | howto->name, link_order->u.reloc.p->addend, | |
2084 | (bfd *) NULL, (asection *) NULL, (bfd_vma) 0))) | |
2085 | { | |
2086 | free (buf); | |
2087 | return false; | |
2088 | } | |
2089 | break; | |
2090 | } | |
2091 | ok = bfd_set_section_contents (output_bfd, output_section, (PTR) buf, | |
2092 | (file_ptr) link_order->offset, size); | |
2093 | free (buf); | |
2094 | if (! ok) | |
2095 | return false; | |
2096 | } | |
2097 | ||
2098 | /* Store the reloc information in the right place. It will get | |
2099 | swapped and written out at the end of the final_link routine. */ | |
2100 | ||
2101 | irel = (finfo->section_info[output_section->target_index].relocs | |
2102 | + output_section->reloc_count); | |
2103 | rel_hash_ptr = (finfo->section_info[output_section->target_index].rel_hashes | |
2104 | + output_section->reloc_count); | |
2105 | ||
2106 | memset (irel, 0, sizeof (struct internal_reloc)); | |
2107 | *rel_hash_ptr = NULL; | |
2108 | ||
2109 | irel->r_vaddr = output_section->vma + link_order->offset; | |
2110 | ||
2111 | if (link_order->type == bfd_section_reloc_link_order) | |
2112 | { | |
2113 | /* We need to somehow locate a symbol in the right section. The | |
2114 | symbol must either have a value of zero, or we must adjust | |
2115 | the addend by the value of the symbol. FIXME: Write this | |
2116 | when we need it. The old linker couldn't handle this anyhow. */ | |
2117 | abort (); | |
2118 | *rel_hash_ptr = NULL; | |
2119 | irel->r_symndx = 0; | |
2120 | } | |
2121 | else | |
2122 | { | |
2123 | struct coff_link_hash_entry *h; | |
2124 | ||
2125 | h = coff_link_hash_lookup (coff_hash_table (finfo->info), | |
2126 | link_order->u.reloc.p->u.name, | |
2127 | false, false, true); | |
2128 | if (h != NULL) | |
2129 | { | |
2130 | if (h->indx >= 0) | |
2131 | irel->r_symndx = h->indx; | |
2132 | else | |
2133 | { | |
2134 | /* Set the index to -2 to force this symbol to get | |
2135 | written out. */ | |
2136 | h->indx = -2; | |
2137 | *rel_hash_ptr = h; | |
2138 | irel->r_symndx = 0; | |
2139 | } | |
2140 | } | |
2141 | else | |
2142 | { | |
2143 | if (! ((*finfo->info->callbacks->unattached_reloc) | |
2144 | (finfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL, | |
2145 | (asection *) NULL, (bfd_vma) 0))) | |
2146 | return false; | |
2147 | irel->r_symndx = 0; | |
2148 | } | |
2149 | } | |
2150 | ||
2151 | /* FIXME: Is this always right? */ | |
2152 | irel->r_type = howto->type; | |
2153 | ||
2154 | /* r_size is only used on the RS/6000, which needs its own linker | |
2155 | routines anyhow. r_extern is only used for ECOFF. */ | |
2156 | ||
2157 | /* FIXME: What is the right value for r_offset? Is zero OK? */ | |
2158 | ||
2159 | ++output_section->reloc_count; | |
2160 | ||
2161 | return true; | |
2162 | } | |
2a895595 ILT |
2163 | |
2164 | /* A basic reloc handling routine which may be used by processors with | |
2165 | simple relocs. */ | |
2166 | ||
2167 | boolean | |
2168 | _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, | |
2169 | input_section, contents, relocs, syms, | |
2170 | sections) | |
2171 | bfd *output_bfd; | |
2172 | struct bfd_link_info *info; | |
2173 | bfd *input_bfd; | |
2174 | asection *input_section; | |
2175 | bfd_byte *contents; | |
2176 | struct internal_reloc *relocs; | |
2177 | struct internal_syment *syms; | |
2178 | asection **sections; | |
2179 | { | |
2180 | struct internal_reloc *rel; | |
2181 | struct internal_reloc *relend; | |
2182 | ||
d25079a0 | 2183 | |
2a895595 ILT |
2184 | rel = relocs; |
2185 | relend = rel + input_section->reloc_count; | |
2186 | for (; rel < relend; rel++) | |
2187 | { | |
2188 | long symndx; | |
2189 | struct coff_link_hash_entry *h; | |
2190 | struct internal_syment *sym; | |
2191 | bfd_vma addend; | |
2192 | bfd_vma val; | |
d25079a0 | 2193 | reloc_howto_type *howto; |
2a895595 ILT |
2194 | bfd_reloc_status_type rstat; |
2195 | ||
2196 | symndx = rel->r_symndx; | |
2197 | ||
2198 | if (symndx == -1) | |
2199 | { | |
2200 | h = NULL; | |
2201 | sym = NULL; | |
2202 | } | |
2203 | else | |
2204 | { | |
2205 | h = obj_coff_sym_hashes (input_bfd)[symndx]; | |
2206 | sym = syms + symndx; | |
2207 | } | |
2208 | ||
2209 | /* COFF treats common symbols in one of two ways. Either the | |
2210 | size of the symbol is included in the section contents, or it | |
2211 | is not. We assume that the size is not included, and force | |
2212 | the rtype_to_howto function to adjust the addend as needed. */ | |
d25079a0 | 2213 | |
2a895595 ILT |
2214 | if (sym != NULL && sym->n_scnum != 0) |
2215 | addend = - sym->n_value; | |
2216 | else | |
2217 | addend = 0; | |
2218 | ||
d25079a0 | 2219 | |
2a895595 ILT |
2220 | howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h, |
2221 | sym, &addend); | |
2222 | if (howto == NULL) | |
2223 | return false; | |
2224 | ||
2225 | val = 0; | |
2226 | ||
2227 | if (h == NULL) | |
2228 | { | |
2229 | asection *sec; | |
2230 | ||
2231 | if (symndx == -1) | |
2232 | { | |
2233 | sec = bfd_abs_section_ptr; | |
2234 | val = 0; | |
2235 | } | |
2236 | else | |
2237 | { | |
2238 | sec = sections[symndx]; | |
d25079a0 | 2239 | val = (sec->output_section->vma |
2a895595 ILT |
2240 | + sec->output_offset |
2241 | + sym->n_value | |
2242 | - sec->vma); | |
2243 | } | |
2244 | } | |
2245 | else | |
2246 | { | |
d25079a0 SC |
2247 | if (h->root.type == bfd_link_hash_defined |
2248 | || h->root.type == bfd_link_hash_defweak) | |
2a895595 ILT |
2249 | { |
2250 | asection *sec; | |
2251 | ||
2252 | sec = h->root.u.def.section; | |
2253 | val = (h->root.u.def.value | |
2254 | + sec->output_section->vma | |
2255 | + sec->output_offset); | |
d25079a0 | 2256 | } |
ff31ebda | 2257 | |
2a895595 ILT |
2258 | else if (! info->relocateable) |
2259 | { | |
2260 | if (! ((*info->callbacks->undefined_symbol) | |
2261 | (info, h->root.root.string, input_bfd, input_section, | |
2262 | rel->r_vaddr - input_section->vma))) | |
2263 | return false; | |
2264 | } | |
2265 | } | |
2266 | ||
89665c85 SC |
2267 | if (info->base_file) |
2268 | { | |
2269 | /* So if this is non pcrelative, and is referenced | |
2270 | to a section or a common symbol, then it needs a reloc */ | |
2271 | if (!howto->pc_relative | |
ae115e51 | 2272 | && sym && (sym->n_scnum || sym->n_value)) |
89665c85 SC |
2273 | { |
2274 | /* relocation to a symbol in a section which | |
2275 | isn't absolute - we output the address here | |
2276 | to a file */ | |
ece22cd0 | 2277 | bfd_vma addr = rel->r_vaddr |
89665c85 SC |
2278 | + input_section->output_offset |
2279 | + input_section->output_section->vma; | |
ae115e51 ILT |
2280 | if (coff_data(output_bfd)->pe) |
2281 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; | |
be89267c | 2282 | fwrite (&addr, 1,4, (FILE *) info->base_file); |
89665c85 SC |
2283 | } |
2284 | } | |
d25079a0 | 2285 | |
2a895595 ILT |
2286 | rstat = _bfd_final_link_relocate (howto, input_bfd, input_section, |
2287 | contents, | |
2288 | rel->r_vaddr - input_section->vma, | |
2289 | val, addend); | |
2290 | ||
2291 | switch (rstat) | |
2292 | { | |
2293 | default: | |
2294 | abort (); | |
2295 | case bfd_reloc_ok: | |
2296 | break; | |
2297 | case bfd_reloc_overflow: | |
2298 | { | |
2299 | const char *name; | |
2300 | char buf[SYMNMLEN + 1]; | |
2301 | ||
2302 | if (symndx == -1) | |
2303 | name = "*ABS*"; | |
2304 | else if (h != NULL) | |
2305 | name = h->root.root.string; | |
2a895595 ILT |
2306 | else |
2307 | { | |
ff31ebda KR |
2308 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); |
2309 | if (name == NULL) | |
2310 | return false; | |
2a895595 ILT |
2311 | } |
2312 | ||
2313 | if (! ((*info->callbacks->reloc_overflow) | |
2314 | (info, name, howto->name, (bfd_vma) 0, input_bfd, | |
2315 | input_section, rel->r_vaddr - input_section->vma))) | |
2316 | return false; | |
2317 | } | |
2318 | } | |
2319 | } | |
2320 | ||
2321 | return true; | |
2322 | } |