Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* COFF specific linker code. |
eea6121a | 2 | Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
aa820537 | 3 | 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Ian Lance Taylor, Cygnus Support. |
5 | ||
8b956130 | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
8b956130 NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
cd123cb7 | 10 | the Free Software Foundation; either version 3 of the License, or |
8b956130 | 11 | (at your option) any later version. |
252b5132 | 12 | |
8b956130 NC |
13 | This program 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. | |
252b5132 | 17 | |
8b956130 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
cd123cb7 NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | /* This file contains the COFF backend linker code. */ | |
24 | ||
252b5132 | 25 | #include "sysdep.h" |
3db64b00 | 26 | #include "bfd.h" |
252b5132 RH |
27 | #include "bfdlink.h" |
28 | #include "libbfd.h" | |
29 | #include "coff/internal.h" | |
30 | #include "libcoff.h" | |
a3aa4448 | 31 | #include "safe-ctype.h" |
252b5132 | 32 | |
8b956130 NC |
33 | static bfd_boolean coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info); |
34 | static bfd_boolean coff_link_check_archive_element (bfd *abfd, struct bfd_link_info *info, bfd_boolean *pneeded); | |
35 | static bfd_boolean coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info); | |
252b5132 | 36 | |
b34976b6 | 37 | /* Return TRUE if SYM is a weak, external symbol. */ |
e4202681 NC |
38 | #define IS_WEAK_EXTERNAL(abfd, sym) \ |
39 | ((sym).n_sclass == C_WEAKEXT \ | |
40 | || (obj_pe (abfd) && (sym).n_sclass == C_NT_WEAK)) | |
41 | ||
b34976b6 | 42 | /* Return TRUE if SYM is an external symbol. */ |
e4202681 NC |
43 | #define IS_EXTERNAL(abfd, sym) \ |
44 | ((sym).n_sclass == C_EXT || IS_WEAK_EXTERNAL (abfd, sym)) | |
45 | ||
b2d638c7 ILT |
46 | /* Define macros so that the ISFCN, et. al., macros work correctly. |
47 | These macros are defined in include/coff/internal.h in terms of | |
48 | N_TMASK, etc. These definitions require a user to define local | |
49 | variables with the appropriate names, and with values from the | |
50 | coff_data (abfd) structure. */ | |
51 | ||
52 | #define N_TMASK n_tmask | |
53 | #define N_BTSHFT n_btshft | |
54 | #define N_BTMASK n_btmask | |
55 | ||
252b5132 RH |
56 | /* Create an entry in a COFF linker hash table. */ |
57 | ||
58 | struct bfd_hash_entry * | |
8b956130 NC |
59 | _bfd_coff_link_hash_newfunc (struct bfd_hash_entry *entry, |
60 | struct bfd_hash_table *table, | |
61 | const char *string) | |
252b5132 RH |
62 | { |
63 | struct coff_link_hash_entry *ret = (struct coff_link_hash_entry *) entry; | |
64 | ||
65 | /* Allocate the structure if it has not already been allocated by a | |
66 | subclass. */ | |
67 | if (ret == (struct coff_link_hash_entry *) NULL) | |
68 | ret = ((struct coff_link_hash_entry *) | |
69 | bfd_hash_allocate (table, sizeof (struct coff_link_hash_entry))); | |
70 | if (ret == (struct coff_link_hash_entry *) NULL) | |
71 | return (struct bfd_hash_entry *) ret; | |
72 | ||
73 | /* Call the allocation method of the superclass. */ | |
74 | ret = ((struct coff_link_hash_entry *) | |
75 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, | |
76 | table, string)); | |
77 | if (ret != (struct coff_link_hash_entry *) NULL) | |
78 | { | |
79 | /* Set local fields. */ | |
80 | ret->indx = -1; | |
81 | ret->type = T_NULL; | |
96d56e9f | 82 | ret->symbol_class = C_NULL; |
252b5132 RH |
83 | ret->numaux = 0; |
84 | ret->auxbfd = NULL; | |
85 | ret->aux = NULL; | |
86 | } | |
87 | ||
88 | return (struct bfd_hash_entry *) ret; | |
89 | } | |
90 | ||
91 | /* Initialize a COFF linker hash table. */ | |
92 | ||
b34976b6 | 93 | bfd_boolean |
8b956130 NC |
94 | _bfd_coff_link_hash_table_init (struct coff_link_hash_table *table, |
95 | bfd *abfd, | |
96 | struct bfd_hash_entry *(*newfunc) (struct bfd_hash_entry *, | |
97 | struct bfd_hash_table *, | |
66eb6687 AM |
98 | const char *), |
99 | unsigned int entsize) | |
252b5132 | 100 | { |
3722b82f | 101 | memset (&table->stab_info, 0, sizeof (table->stab_info)); |
66eb6687 | 102 | return _bfd_link_hash_table_init (&table->root, abfd, newfunc, entsize); |
252b5132 RH |
103 | } |
104 | ||
105 | /* Create a COFF linker hash table. */ | |
106 | ||
107 | struct bfd_link_hash_table * | |
8b956130 | 108 | _bfd_coff_link_hash_table_create (bfd *abfd) |
252b5132 RH |
109 | { |
110 | struct coff_link_hash_table *ret; | |
dc810e39 | 111 | bfd_size_type amt = sizeof (struct coff_link_hash_table); |
252b5132 | 112 | |
a50b1753 | 113 | ret = (struct coff_link_hash_table *) bfd_malloc (amt); |
252b5132 RH |
114 | if (ret == NULL) |
115 | return NULL; | |
8b956130 | 116 | |
252b5132 | 117 | if (! _bfd_coff_link_hash_table_init (ret, abfd, |
66eb6687 AM |
118 | _bfd_coff_link_hash_newfunc, |
119 | sizeof (struct coff_link_hash_entry))) | |
252b5132 | 120 | { |
e2d34d7d | 121 | free (ret); |
252b5132 RH |
122 | return (struct bfd_link_hash_table *) NULL; |
123 | } | |
124 | return &ret->root; | |
125 | } | |
126 | ||
127 | /* Create an entry in a COFF debug merge hash table. */ | |
128 | ||
129 | struct bfd_hash_entry * | |
8b956130 NC |
130 | _bfd_coff_debug_merge_hash_newfunc (struct bfd_hash_entry *entry, |
131 | struct bfd_hash_table *table, | |
132 | const char *string) | |
252b5132 RH |
133 | { |
134 | struct coff_debug_merge_hash_entry *ret = | |
135 | (struct coff_debug_merge_hash_entry *) entry; | |
136 | ||
137 | /* Allocate the structure if it has not already been allocated by a | |
138 | subclass. */ | |
139 | if (ret == (struct coff_debug_merge_hash_entry *) NULL) | |
140 | ret = ((struct coff_debug_merge_hash_entry *) | |
141 | bfd_hash_allocate (table, | |
142 | sizeof (struct coff_debug_merge_hash_entry))); | |
143 | if (ret == (struct coff_debug_merge_hash_entry *) NULL) | |
144 | return (struct bfd_hash_entry *) ret; | |
145 | ||
146 | /* Call the allocation method of the superclass. */ | |
147 | ret = ((struct coff_debug_merge_hash_entry *) | |
148 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); | |
149 | if (ret != (struct coff_debug_merge_hash_entry *) NULL) | |
150 | { | |
151 | /* Set local fields. */ | |
152 | ret->types = NULL; | |
153 | } | |
154 | ||
155 | return (struct bfd_hash_entry *) ret; | |
156 | } | |
157 | ||
158 | /* Given a COFF BFD, add symbols to the global hash table as | |
159 | appropriate. */ | |
160 | ||
b34976b6 | 161 | bfd_boolean |
8b956130 | 162 | _bfd_coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) |
252b5132 RH |
163 | { |
164 | switch (bfd_get_format (abfd)) | |
165 | { | |
166 | case bfd_object: | |
167 | return coff_link_add_object_symbols (abfd, info); | |
168 | case bfd_archive: | |
8b956130 NC |
169 | return _bfd_generic_link_add_archive_symbols |
170 | (abfd, info, coff_link_check_archive_element); | |
252b5132 RH |
171 | default: |
172 | bfd_set_error (bfd_error_wrong_format); | |
b34976b6 | 173 | return FALSE; |
252b5132 RH |
174 | } |
175 | } | |
176 | ||
177 | /* Add symbols from a COFF object file. */ | |
178 | ||
b34976b6 | 179 | static bfd_boolean |
8b956130 | 180 | coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) |
252b5132 RH |
181 | { |
182 | if (! _bfd_coff_get_external_symbols (abfd)) | |
b34976b6 | 183 | return FALSE; |
252b5132 | 184 | if (! coff_link_add_symbols (abfd, info)) |
b34976b6 | 185 | return FALSE; |
252b5132 | 186 | |
8b956130 NC |
187 | if (! info->keep_memory |
188 | && ! _bfd_coff_free_symbols (abfd)) | |
b34976b6 | 189 | return FALSE; |
252b5132 | 190 | |
b34976b6 | 191 | return TRUE; |
252b5132 RH |
192 | } |
193 | ||
194 | /* Look through the symbols to see if this object file should be | |
195 | included in the link. */ | |
196 | ||
b34976b6 | 197 | static bfd_boolean |
8b956130 NC |
198 | coff_link_check_ar_symbols (bfd *abfd, |
199 | struct bfd_link_info *info, | |
5d3236ee DK |
200 | bfd_boolean *pneeded, |
201 | bfd **subsbfd) | |
252b5132 | 202 | { |
252b5132 RH |
203 | bfd_size_type symesz; |
204 | bfd_byte *esym; | |
205 | bfd_byte *esym_end; | |
206 | ||
b34976b6 | 207 | *pneeded = FALSE; |
252b5132 | 208 | |
252b5132 RH |
209 | symesz = bfd_coff_symesz (abfd); |
210 | esym = (bfd_byte *) obj_coff_external_syms (abfd); | |
211 | esym_end = esym + obj_raw_syment_count (abfd) * symesz; | |
212 | while (esym < esym_end) | |
213 | { | |
214 | struct internal_syment sym; | |
5d54c628 | 215 | enum coff_symbol_classification classification; |
252b5132 | 216 | |
8b956130 | 217 | bfd_coff_swap_sym_in (abfd, esym, &sym); |
252b5132 | 218 | |
5d54c628 ILT |
219 | classification = bfd_coff_classify_symbol (abfd, &sym); |
220 | if (classification == COFF_SYMBOL_GLOBAL | |
221 | || classification == COFF_SYMBOL_COMMON) | |
252b5132 RH |
222 | { |
223 | const char *name; | |
224 | char buf[SYMNMLEN + 1]; | |
225 | struct bfd_link_hash_entry *h; | |
226 | ||
227 | /* This symbol is externally visible, and is defined by this | |
228 | object file. */ | |
252b5132 RH |
229 | name = _bfd_coff_internal_syment_name (abfd, &sym, buf); |
230 | if (name == NULL) | |
b34976b6 AM |
231 | return FALSE; |
232 | h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE); | |
252b5132 | 233 | |
8b956130 NC |
234 | /* Auto import. */ |
235 | if (!h | |
236 | && info->pei386_auto_import | |
0112cd26 | 237 | && CONST_STRNEQ (name, "__imp_")) |
8b956130 NC |
238 | h = bfd_link_hash_lookup (info->hash, name + 6, FALSE, FALSE, TRUE); |
239 | ||
252b5132 RH |
240 | /* We are only interested in symbols that are currently |
241 | undefined. If a symbol is currently known to be common, | |
242 | COFF linkers do not bring in an object file which defines | |
243 | it. */ | |
244 | if (h != (struct bfd_link_hash_entry *) NULL | |
245 | && h->type == bfd_link_hash_undefined) | |
246 | { | |
5d3236ee DK |
247 | if (! (*info->callbacks->add_archive_element) |
248 | (info, abfd, name, subsbfd)) | |
b34976b6 AM |
249 | return FALSE; |
250 | *pneeded = TRUE; | |
251 | return TRUE; | |
252b5132 RH |
252 | } |
253 | } | |
254 | ||
255 | esym += (sym.n_numaux + 1) * symesz; | |
256 | } | |
257 | ||
258 | /* We do not need this object file. */ | |
b34976b6 | 259 | return TRUE; |
252b5132 RH |
260 | } |
261 | ||
8b956130 NC |
262 | /* Check a single archive element to see if we need to include it in |
263 | the link. *PNEEDED is set according to whether this element is | |
264 | needed in the link or not. This is called via | |
265 | _bfd_generic_link_add_archive_symbols. */ | |
266 | ||
267 | static bfd_boolean | |
268 | coff_link_check_archive_element (bfd *abfd, | |
269 | struct bfd_link_info *info, | |
270 | bfd_boolean *pneeded) | |
271 | { | |
5d3236ee DK |
272 | bfd *subsbfd = NULL; |
273 | ||
8b956130 NC |
274 | if (! _bfd_coff_get_external_symbols (abfd)) |
275 | return FALSE; | |
276 | ||
5d3236ee DK |
277 | if (! coff_link_check_ar_symbols (abfd, info, pneeded, &subsbfd)) |
278 | return FALSE; | |
279 | ||
280 | /* Potentially, the add_archive_element hook may have set a | |
281 | substitute BFD for us. */ | |
282 | if (*pneeded | |
283 | && subsbfd | |
284 | && ! _bfd_coff_get_external_symbols (subsbfd)) | |
8b956130 NC |
285 | return FALSE; |
286 | ||
287 | if (*pneeded | |
5d3236ee | 288 | && ! coff_link_add_symbols (subsbfd ? subsbfd : abfd, info)) |
8b956130 NC |
289 | return FALSE; |
290 | ||
291 | if ((! info->keep_memory || ! *pneeded) | |
292 | && ! _bfd_coff_free_symbols (abfd)) | |
293 | return FALSE; | |
294 | ||
295 | return TRUE; | |
296 | } | |
297 | ||
252b5132 RH |
298 | /* Add all the symbols from an object file to the hash table. */ |
299 | ||
b34976b6 | 300 | static bfd_boolean |
8b956130 NC |
301 | coff_link_add_symbols (bfd *abfd, |
302 | struct bfd_link_info *info) | |
252b5132 | 303 | { |
b2d638c7 ILT |
304 | unsigned int n_tmask = coff_data (abfd)->local_n_tmask; |
305 | unsigned int n_btshft = coff_data (abfd)->local_n_btshft; | |
306 | unsigned int n_btmask = coff_data (abfd)->local_n_btmask; | |
b34976b6 AM |
307 | bfd_boolean keep_syms; |
308 | bfd_boolean default_copy; | |
252b5132 RH |
309 | bfd_size_type symcount; |
310 | struct coff_link_hash_entry **sym_hash; | |
311 | bfd_size_type symesz; | |
312 | bfd_byte *esym; | |
313 | bfd_byte *esym_end; | |
dc810e39 | 314 | bfd_size_type amt; |
252b5132 | 315 | |
d63388ff MS |
316 | symcount = obj_raw_syment_count (abfd); |
317 | ||
318 | if (symcount == 0) | |
319 | return TRUE; /* Nothing to do. */ | |
320 | ||
252b5132 RH |
321 | /* Keep the symbols during this function, in case the linker needs |
322 | to read the generic symbols in order to report an error message. */ | |
323 | keep_syms = obj_coff_keep_syms (abfd); | |
b34976b6 | 324 | obj_coff_keep_syms (abfd) = TRUE; |
252b5132 | 325 | |
252b5132 | 326 | if (info->keep_memory) |
b34976b6 | 327 | default_copy = FALSE; |
252b5132 | 328 | else |
b34976b6 | 329 | default_copy = TRUE; |
252b5132 | 330 | |
252b5132 RH |
331 | /* We keep a list of the linker hash table entries that correspond |
332 | to particular symbols. */ | |
dc810e39 | 333 | amt = symcount * sizeof (struct coff_link_hash_entry *); |
a50b1753 | 334 | sym_hash = (struct coff_link_hash_entry **) bfd_zalloc (abfd, amt); |
d63388ff | 335 | if (sym_hash == NULL) |
252b5132 RH |
336 | goto error_return; |
337 | obj_coff_sym_hashes (abfd) = sym_hash; | |
252b5132 RH |
338 | |
339 | symesz = bfd_coff_symesz (abfd); | |
340 | BFD_ASSERT (symesz == bfd_coff_auxesz (abfd)); | |
341 | esym = (bfd_byte *) obj_coff_external_syms (abfd); | |
342 | esym_end = esym + symcount * symesz; | |
343 | while (esym < esym_end) | |
344 | { | |
345 | struct internal_syment sym; | |
5d54c628 | 346 | enum coff_symbol_classification classification; |
b34976b6 | 347 | bfd_boolean copy; |
252b5132 | 348 | |
8b956130 | 349 | bfd_coff_swap_sym_in (abfd, esym, &sym); |
252b5132 | 350 | |
5d54c628 ILT |
351 | classification = bfd_coff_classify_symbol (abfd, &sym); |
352 | if (classification != COFF_SYMBOL_LOCAL) | |
252b5132 RH |
353 | { |
354 | const char *name; | |
355 | char buf[SYMNMLEN + 1]; | |
356 | flagword flags; | |
357 | asection *section; | |
358 | bfd_vma value; | |
b34976b6 | 359 | bfd_boolean addit; |
252b5132 RH |
360 | |
361 | /* This symbol is externally visible. */ | |
362 | ||
363 | name = _bfd_coff_internal_syment_name (abfd, &sym, buf); | |
364 | if (name == NULL) | |
365 | goto error_return; | |
366 | ||
367 | /* We must copy the name into memory if we got it from the | |
368 | syment itself, rather than the string table. */ | |
369 | copy = default_copy; | |
370 | if (sym._n._n_n._n_zeroes != 0 | |
371 | || sym._n._n_n._n_offset == 0) | |
b34976b6 | 372 | copy = TRUE; |
252b5132 RH |
373 | |
374 | value = sym.n_value; | |
375 | ||
5d54c628 | 376 | switch (classification) |
252b5132 | 377 | { |
5d54c628 ILT |
378 | default: |
379 | abort (); | |
380 | ||
381 | case COFF_SYMBOL_GLOBAL: | |
252b5132 RH |
382 | flags = BSF_EXPORT | BSF_GLOBAL; |
383 | section = coff_section_from_bfd_index (abfd, sym.n_scnum); | |
384 | if (! obj_pe (abfd)) | |
385 | value -= section->vma; | |
5d54c628 ILT |
386 | break; |
387 | ||
388 | case COFF_SYMBOL_UNDEFINED: | |
389 | flags = 0; | |
390 | section = bfd_und_section_ptr; | |
391 | break; | |
392 | ||
393 | case COFF_SYMBOL_COMMON: | |
394 | flags = BSF_GLOBAL; | |
395 | section = bfd_com_section_ptr; | |
396 | break; | |
397 | ||
398 | case COFF_SYMBOL_PE_SECTION: | |
399 | flags = BSF_SECTION_SYM | BSF_GLOBAL; | |
400 | section = coff_section_from_bfd_index (abfd, sym.n_scnum); | |
401 | break; | |
252b5132 RH |
402 | } |
403 | ||
e4202681 | 404 | if (IS_WEAK_EXTERNAL (abfd, sym)) |
252b5132 RH |
405 | flags = BSF_WEAK; |
406 | ||
b34976b6 | 407 | addit = TRUE; |
7fd9c191 ILT |
408 | |
409 | /* In the PE format, section symbols actually refer to the | |
410 | start of the output section. We handle them specially | |
411 | here. */ | |
412 | if (obj_pe (abfd) && (flags & BSF_SECTION_SYM) != 0) | |
413 | { | |
414 | *sym_hash = coff_link_hash_lookup (coff_hash_table (info), | |
b34976b6 | 415 | name, FALSE, copy, FALSE); |
7fd9c191 ILT |
416 | if (*sym_hash != NULL) |
417 | { | |
418 | if (((*sym_hash)->coff_link_hash_flags | |
419 | & COFF_LINK_HASH_PE_SECTION_SYMBOL) == 0 | |
420 | && (*sym_hash)->root.type != bfd_link_hash_undefined | |
421 | && (*sym_hash)->root.type != bfd_link_hash_undefweak) | |
422 | (*_bfd_error_handler) | |
423 | ("Warning: symbol `%s' is both section and non-section", | |
424 | name); | |
425 | ||
b34976b6 | 426 | addit = FALSE; |
7fd9c191 ILT |
427 | } |
428 | } | |
429 | ||
49147fca ILT |
430 | /* The Microsoft Visual C compiler does string pooling by |
431 | hashing the constants to an internal symbol name, and | |
08da05b0 | 432 | relying on the linker comdat support to discard |
49147fca ILT |
433 | duplicate names. However, if one string is a literal and |
434 | one is a data initializer, one will end up in the .data | |
435 | section and one will end up in the .rdata section. The | |
436 | Microsoft linker will combine them into the .data | |
437 | section, which seems to be wrong since it might cause the | |
438 | literal to change. | |
439 | ||
440 | As long as there are no external references to the | |
441 | symbols, which there shouldn't be, we can treat the .data | |
442 | and .rdata instances as separate symbols. The comdat | |
443 | code in the linker will do the appropriate merging. Here | |
444 | we avoid getting a multiple definition error for one of | |
445 | these special symbols. | |
446 | ||
447 | FIXME: I don't think this will work in the case where | |
448 | there are two object files which use the constants as a | |
449 | literal and two object files which use it as a data | |
450 | initializer. One or the other of the second object files | |
451 | is going to wind up with an inappropriate reference. */ | |
452 | if (obj_pe (abfd) | |
453 | && (classification == COFF_SYMBOL_GLOBAL | |
454 | || classification == COFF_SYMBOL_PE_SECTION) | |
271d0fc3 | 455 | && coff_section_data (abfd, section) != NULL |
082b7297 | 456 | && coff_section_data (abfd, section)->comdat != NULL |
0112cd26 | 457 | && CONST_STRNEQ (name, "??_") |
082b7297 | 458 | && strcmp (name, coff_section_data (abfd, section)->comdat->name) == 0) |
49147fca ILT |
459 | { |
460 | if (*sym_hash == NULL) | |
461 | *sym_hash = coff_link_hash_lookup (coff_hash_table (info), | |
b34976b6 | 462 | name, FALSE, copy, FALSE); |
49147fca ILT |
463 | if (*sym_hash != NULL |
464 | && (*sym_hash)->root.type == bfd_link_hash_defined | |
082b7297 L |
465 | && coff_section_data (abfd, (*sym_hash)->root.u.def.section)->comdat != NULL |
466 | && strcmp (coff_section_data (abfd, (*sym_hash)->root.u.def.section)->comdat->name, | |
467 | coff_section_data (abfd, section)->comdat->name) == 0) | |
b34976b6 | 468 | addit = FALSE; |
49147fca ILT |
469 | } |
470 | ||
7fd9c191 ILT |
471 | if (addit) |
472 | { | |
473 | if (! (bfd_coff_link_add_one_symbol | |
474 | (info, abfd, name, flags, section, value, | |
b34976b6 | 475 | (const char *) NULL, copy, FALSE, |
7fd9c191 ILT |
476 | (struct bfd_link_hash_entry **) sym_hash))) |
477 | goto error_return; | |
478 | } | |
479 | ||
480 | if (obj_pe (abfd) && (flags & BSF_SECTION_SYM) != 0) | |
481 | (*sym_hash)->coff_link_hash_flags |= | |
482 | COFF_LINK_HASH_PE_SECTION_SYMBOL; | |
252b5132 | 483 | |
2820a0b7 ILT |
484 | /* Limit the alignment of a common symbol to the possible |
485 | alignment of a section. There is no point to permitting | |
486 | a higher alignment for a common symbol: we can not | |
487 | guarantee it, and it may cause us to allocate extra space | |
488 | in the common section. */ | |
252b5132 RH |
489 | if (section == bfd_com_section_ptr |
490 | && (*sym_hash)->root.type == bfd_link_hash_common | |
491 | && ((*sym_hash)->root.u.c.p->alignment_power | |
492 | > bfd_coff_default_section_alignment_power (abfd))) | |
493 | (*sym_hash)->root.u.c.p->alignment_power | |
494 | = bfd_coff_default_section_alignment_power (abfd); | |
495 | ||
f13a99db | 496 | if (bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd)) |
252b5132 | 497 | { |
5d3aaa74 ILT |
498 | /* If we don't have any symbol information currently in |
499 | the hash table, or if we are looking at a symbol | |
500 | definition, then update the symbol class and type in | |
501 | the hash table. */ | |
96d56e9f | 502 | if (((*sym_hash)->symbol_class == C_NULL |
5d3aaa74 ILT |
503 | && (*sym_hash)->type == T_NULL) |
504 | || sym.n_scnum != 0 | |
505 | || (sym.n_value != 0 | |
506 | && (*sym_hash)->root.type != bfd_link_hash_defined | |
507 | && (*sym_hash)->root.type != bfd_link_hash_defweak)) | |
508 | { | |
96d56e9f | 509 | (*sym_hash)->symbol_class = sym.n_sclass; |
5d3aaa74 ILT |
510 | if (sym.n_type != T_NULL) |
511 | { | |
512 | /* We want to warn if the type changed, but not | |
513 | if it changed from an unspecified type. | |
514 | Testing the whole type byte may work, but the | |
515 | change from (e.g.) a function of unspecified | |
516 | type to function of known type also wants to | |
517 | skip the warning. */ | |
518 | if ((*sym_hash)->type != T_NULL | |
519 | && (*sym_hash)->type != sym.n_type | |
520 | && !(DTYPE ((*sym_hash)->type) == DTYPE (sym.n_type) | |
521 | && (BTYPE ((*sym_hash)->type) == T_NULL | |
522 | || BTYPE (sym.n_type) == T_NULL))) | |
523 | (*_bfd_error_handler) | |
d003868e AM |
524 | (_("Warning: type of symbol `%s' changed from %d to %d in %B"), |
525 | abfd, name, (*sym_hash)->type, sym.n_type); | |
5d3aaa74 ILT |
526 | |
527 | /* We don't want to change from a meaningful | |
528 | base type to a null one, but if we know | |
529 | nothing, take what little we might now know. */ | |
530 | if (BTYPE (sym.n_type) != T_NULL | |
531 | || (*sym_hash)->type == T_NULL) | |
532 | (*sym_hash)->type = sym.n_type; | |
533 | } | |
534 | (*sym_hash)->auxbfd = abfd; | |
252b5132 RH |
535 | if (sym.n_numaux != 0) |
536 | { | |
537 | union internal_auxent *alloc; | |
538 | unsigned int i; | |
539 | bfd_byte *eaux; | |
540 | union internal_auxent *iaux; | |
541 | ||
542 | (*sym_hash)->numaux = sym.n_numaux; | |
543 | alloc = ((union internal_auxent *) | |
544 | bfd_hash_allocate (&info->hash->table, | |
545 | (sym.n_numaux | |
546 | * sizeof (*alloc)))); | |
547 | if (alloc == NULL) | |
548 | goto error_return; | |
549 | for (i = 0, eaux = esym + symesz, iaux = alloc; | |
550 | i < sym.n_numaux; | |
551 | i++, eaux += symesz, iaux++) | |
8b956130 | 552 | bfd_coff_swap_aux_in (abfd, eaux, sym.n_type, |
dc810e39 | 553 | sym.n_sclass, (int) i, |
8b956130 | 554 | sym.n_numaux, iaux); |
252b5132 RH |
555 | (*sym_hash)->aux = alloc; |
556 | } | |
557 | } | |
558 | } | |
5d54c628 ILT |
559 | |
560 | if (classification == COFF_SYMBOL_PE_SECTION | |
561 | && (*sym_hash)->numaux != 0) | |
562 | { | |
563 | /* Some PE sections (such as .bss) have a zero size in | |
564 | the section header, but a non-zero size in the AUX | |
565 | record. Correct that here. | |
566 | ||
567 | FIXME: This is not at all the right place to do this. | |
568 | For example, it won't help objdump. This needs to be | |
569 | done when we swap in the section header. */ | |
5d54c628 | 570 | BFD_ASSERT ((*sym_hash)->numaux == 1); |
eea6121a AM |
571 | if (section->size == 0) |
572 | section->size = (*sym_hash)->aux[0].x_scn.x_scnlen; | |
5d54c628 ILT |
573 | |
574 | /* FIXME: We could test whether the section sizes | |
575 | matches the size in the aux entry, but apparently | |
576 | that sometimes fails unexpectedly. */ | |
577 | } | |
252b5132 RH |
578 | } |
579 | ||
580 | esym += (sym.n_numaux + 1) * symesz; | |
581 | sym_hash += sym.n_numaux + 1; | |
582 | } | |
583 | ||
1049f94e | 584 | /* If this is a non-traditional, non-relocatable link, try to |
252b5132 | 585 | optimize the handling of any .stab/.stabstr sections. */ |
1049f94e | 586 | if (! info->relocatable |
252b5132 | 587 | && ! info->traditional_format |
f13a99db | 588 | && bfd_get_flavour (info->output_bfd) == bfd_get_flavour (abfd) |
252b5132 RH |
589 | && (info->strip != strip_all && info->strip != strip_debugger)) |
590 | { | |
29ca8dc5 | 591 | asection *stabstr; |
252b5132 | 592 | |
29ca8dc5 | 593 | stabstr = bfd_get_section_by_name (abfd, ".stabstr"); |
252b5132 | 594 | |
29ca8dc5 NS |
595 | if (stabstr != NULL) |
596 | { | |
597 | bfd_size_type string_offset = 0; | |
598 | asection *stab; | |
599 | ||
600 | for (stab = abfd->sections; stab; stab = stab->next) | |
faa40977 | 601 | if (CONST_STRNEQ (stab->name, ".stab") |
29ca8dc5 | 602 | && (!stab->name[5] |
a3aa4448 | 603 | || (stab->name[5] == '.' && ISDIGIT (stab->name[6])))) |
252b5132 RH |
604 | { |
605 | struct coff_link_hash_table *table; | |
29ca8dc5 NS |
606 | struct coff_section_tdata *secdata |
607 | = coff_section_data (abfd, stab); | |
608 | ||
252b5132 RH |
609 | if (secdata == NULL) |
610 | { | |
dc810e39 | 611 | amt = sizeof (struct coff_section_tdata); |
8b956130 | 612 | stab->used_by_bfd = bfd_zalloc (abfd, amt); |
252b5132 RH |
613 | if (stab->used_by_bfd == NULL) |
614 | goto error_return; | |
615 | secdata = coff_section_data (abfd, stab); | |
616 | } | |
617 | ||
618 | table = coff_hash_table (info); | |
619 | ||
620 | if (! _bfd_link_section_stabs (abfd, &table->stab_info, | |
621 | stab, stabstr, | |
29ca8dc5 NS |
622 | &secdata->stab_info, |
623 | &string_offset)) | |
252b5132 RH |
624 | goto error_return; |
625 | } | |
626 | } | |
627 | } | |
628 | ||
629 | obj_coff_keep_syms (abfd) = keep_syms; | |
630 | ||
b34976b6 | 631 | return TRUE; |
252b5132 RH |
632 | |
633 | error_return: | |
634 | obj_coff_keep_syms (abfd) = keep_syms; | |
b34976b6 | 635 | return FALSE; |
252b5132 RH |
636 | } |
637 | \f | |
638 | /* Do the final link step. */ | |
639 | ||
b34976b6 | 640 | bfd_boolean |
8b956130 NC |
641 | _bfd_coff_final_link (bfd *abfd, |
642 | struct bfd_link_info *info) | |
252b5132 RH |
643 | { |
644 | bfd_size_type symesz; | |
645 | struct coff_final_link_info finfo; | |
b34976b6 AM |
646 | bfd_boolean debug_merge_allocated; |
647 | bfd_boolean long_section_names; | |
252b5132 RH |
648 | asection *o; |
649 | struct bfd_link_order *p; | |
dc810e39 AM |
650 | bfd_size_type max_sym_count; |
651 | bfd_size_type max_lineno_count; | |
652 | bfd_size_type max_reloc_count; | |
653 | bfd_size_type max_output_reloc_count; | |
654 | bfd_size_type max_contents_size; | |
252b5132 RH |
655 | file_ptr rel_filepos; |
656 | unsigned int relsz; | |
657 | file_ptr line_filepos; | |
658 | unsigned int linesz; | |
659 | bfd *sub; | |
660 | bfd_byte *external_relocs = NULL; | |
661 | char strbuf[STRING_SIZE_SIZE]; | |
dc810e39 | 662 | bfd_size_type amt; |
252b5132 RH |
663 | |
664 | symesz = bfd_coff_symesz (abfd); | |
665 | ||
666 | finfo.info = info; | |
667 | finfo.output_bfd = abfd; | |
668 | finfo.strtab = NULL; | |
669 | finfo.section_info = NULL; | |
670 | finfo.last_file_index = -1; | |
671 | finfo.last_bf_index = -1; | |
672 | finfo.internal_syms = NULL; | |
673 | finfo.sec_ptrs = NULL; | |
674 | finfo.sym_indices = NULL; | |
675 | finfo.outsyms = NULL; | |
676 | finfo.linenos = NULL; | |
677 | finfo.contents = NULL; | |
678 | finfo.external_relocs = NULL; | |
679 | finfo.internal_relocs = NULL; | |
b34976b6 AM |
680 | finfo.global_to_static = FALSE; |
681 | debug_merge_allocated = FALSE; | |
252b5132 RH |
682 | |
683 | coff_data (abfd)->link_info = info; | |
684 | ||
685 | finfo.strtab = _bfd_stringtab_init (); | |
686 | if (finfo.strtab == NULL) | |
687 | goto error_return; | |
688 | ||
689 | if (! coff_debug_merge_hash_table_init (&finfo.debug_merge)) | |
690 | goto error_return; | |
b34976b6 | 691 | debug_merge_allocated = TRUE; |
252b5132 RH |
692 | |
693 | /* Compute the file positions for all the sections. */ | |
694 | if (! abfd->output_has_begun) | |
695 | { | |
696 | if (! bfd_coff_compute_section_file_positions (abfd)) | |
697 | goto error_return; | |
698 | } | |
699 | ||
700 | /* Count the line numbers and relocation entries required for the | |
701 | output file. Set the file positions for the relocs. */ | |
702 | rel_filepos = obj_relocbase (abfd); | |
703 | relsz = bfd_coff_relsz (abfd); | |
704 | max_contents_size = 0; | |
705 | max_lineno_count = 0; | |
706 | max_reloc_count = 0; | |
707 | ||
b34976b6 | 708 | long_section_names = FALSE; |
252b5132 RH |
709 | for (o = abfd->sections; o != NULL; o = o->next) |
710 | { | |
711 | o->reloc_count = 0; | |
712 | o->lineno_count = 0; | |
8423293d | 713 | for (p = o->map_head.link_order; p != NULL; p = p->next) |
252b5132 RH |
714 | { |
715 | if (p->type == bfd_indirect_link_order) | |
716 | { | |
717 | asection *sec; | |
718 | ||
719 | sec = p->u.indirect.section; | |
720 | ||
721 | /* Mark all sections which are to be included in the | |
722 | link. This will normally be every section. We need | |
723 | to do this so that we can identify any sections which | |
724 | the linker has decided to not include. */ | |
b34976b6 | 725 | sec->linker_mark = TRUE; |
252b5132 RH |
726 | |
727 | if (info->strip == strip_none | |
728 | || info->strip == strip_some) | |
729 | o->lineno_count += sec->lineno_count; | |
730 | ||
1049f94e | 731 | if (info->relocatable) |
252b5132 RH |
732 | o->reloc_count += sec->reloc_count; |
733 | ||
eea6121a AM |
734 | if (sec->rawsize > max_contents_size) |
735 | max_contents_size = sec->rawsize; | |
736 | if (sec->size > max_contents_size) | |
737 | max_contents_size = sec->size; | |
252b5132 RH |
738 | if (sec->lineno_count > max_lineno_count) |
739 | max_lineno_count = sec->lineno_count; | |
740 | if (sec->reloc_count > max_reloc_count) | |
741 | max_reloc_count = sec->reloc_count; | |
742 | } | |
1049f94e | 743 | else if (info->relocatable |
252b5132 RH |
744 | && (p->type == bfd_section_reloc_link_order |
745 | || p->type == bfd_symbol_reloc_link_order)) | |
746 | ++o->reloc_count; | |
747 | } | |
748 | if (o->reloc_count == 0) | |
749 | o->rel_filepos = 0; | |
750 | else | |
751 | { | |
752 | o->flags |= SEC_RELOC; | |
753 | o->rel_filepos = rel_filepos; | |
754 | rel_filepos += o->reloc_count * relsz; | |
e9168c1e MM |
755 | /* In PE COFF, if there are at least 0xffff relocations an |
756 | extra relocation will be written out to encode the count. */ | |
757 | if (obj_pe (abfd) && o->reloc_count >= 0xffff) | |
758 | rel_filepos += relsz; | |
252b5132 RH |
759 | } |
760 | ||
761 | if (bfd_coff_long_section_names (abfd) | |
762 | && strlen (o->name) > SCNNMLEN) | |
763 | { | |
764 | /* This section has a long name which must go in the string | |
765 | table. This must correspond to the code in | |
766 | coff_write_object_contents which puts the string index | |
767 | into the s_name field of the section header. That is why | |
b34976b6 AM |
768 | we pass hash as FALSE. */ |
769 | if (_bfd_stringtab_add (finfo.strtab, o->name, FALSE, FALSE) | |
252b5132 RH |
770 | == (bfd_size_type) -1) |
771 | goto error_return; | |
b34976b6 | 772 | long_section_names = TRUE; |
252b5132 RH |
773 | } |
774 | } | |
775 | ||
1049f94e | 776 | /* If doing a relocatable link, allocate space for the pointers we |
252b5132 | 777 | need to keep. */ |
1049f94e | 778 | if (info->relocatable) |
252b5132 RH |
779 | { |
780 | unsigned int i; | |
781 | ||
782 | /* We use section_count + 1, rather than section_count, because | |
783 | the target_index fields are 1 based. */ | |
dc810e39 AM |
784 | amt = abfd->section_count + 1; |
785 | amt *= sizeof (struct coff_link_section_info); | |
a50b1753 | 786 | finfo.section_info = (struct coff_link_section_info *) bfd_malloc (amt); |
252b5132 RH |
787 | if (finfo.section_info == NULL) |
788 | goto error_return; | |
789 | for (i = 0; i <= abfd->section_count; i++) | |
790 | { | |
791 | finfo.section_info[i].relocs = NULL; | |
792 | finfo.section_info[i].rel_hashes = NULL; | |
793 | } | |
794 | } | |
795 | ||
796 | /* We now know the size of the relocs, so we can determine the file | |
797 | positions of the line numbers. */ | |
798 | line_filepos = rel_filepos; | |
799 | linesz = bfd_coff_linesz (abfd); | |
800 | max_output_reloc_count = 0; | |
801 | for (o = abfd->sections; o != NULL; o = o->next) | |
802 | { | |
803 | if (o->lineno_count == 0) | |
804 | o->line_filepos = 0; | |
805 | else | |
806 | { | |
807 | o->line_filepos = line_filepos; | |
808 | line_filepos += o->lineno_count * linesz; | |
809 | } | |
810 | ||
811 | if (o->reloc_count != 0) | |
812 | { | |
813 | /* We don't know the indices of global symbols until we have | |
814 | written out all the local symbols. For each section in | |
815 | the output file, we keep an array of pointers to hash | |
816 | table entries. Each entry in the array corresponds to a | |
817 | reloc. When we find a reloc against a global symbol, we | |
818 | set the corresponding entry in this array so that we can | |
819 | fix up the symbol index after we have written out all the | |
820 | local symbols. | |
821 | ||
822 | Because of this problem, we also keep the relocs in | |
823 | memory until the end of the link. This wastes memory, | |
1049f94e | 824 | but only when doing a relocatable link, which is not the |
252b5132 | 825 | common case. */ |
1049f94e | 826 | BFD_ASSERT (info->relocatable); |
dc810e39 AM |
827 | amt = o->reloc_count; |
828 | amt *= sizeof (struct internal_reloc); | |
a50b1753 NC |
829 | finfo.section_info[o->target_index].relocs = |
830 | (struct internal_reloc *) bfd_malloc (amt); | |
dc810e39 AM |
831 | amt = o->reloc_count; |
832 | amt *= sizeof (struct coff_link_hash_entry *); | |
a50b1753 NC |
833 | finfo.section_info[o->target_index].rel_hashes = |
834 | (struct coff_link_hash_entry **) bfd_malloc (amt); | |
252b5132 RH |
835 | if (finfo.section_info[o->target_index].relocs == NULL |
836 | || finfo.section_info[o->target_index].rel_hashes == NULL) | |
837 | goto error_return; | |
838 | ||
839 | if (o->reloc_count > max_output_reloc_count) | |
840 | max_output_reloc_count = o->reloc_count; | |
841 | } | |
842 | ||
843 | /* Reset the reloc and lineno counts, so that we can use them to | |
844 | count the number of entries we have output so far. */ | |
845 | o->reloc_count = 0; | |
846 | o->lineno_count = 0; | |
847 | } | |
848 | ||
849 | obj_sym_filepos (abfd) = line_filepos; | |
850 | ||
851 | /* Figure out the largest number of symbols in an input BFD. Take | |
852 | the opportunity to clear the output_has_begun fields of all the | |
853 | input BFD's. */ | |
854 | max_sym_count = 0; | |
855 | for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) | |
856 | { | |
857 | size_t sz; | |
858 | ||
b34976b6 | 859 | sub->output_has_begun = FALSE; |
252b5132 RH |
860 | sz = obj_raw_syment_count (sub); |
861 | if (sz > max_sym_count) | |
862 | max_sym_count = sz; | |
863 | } | |
864 | ||
865 | /* Allocate some buffers used while linking. */ | |
dc810e39 | 866 | amt = max_sym_count * sizeof (struct internal_syment); |
a50b1753 | 867 | finfo.internal_syms = (struct internal_syment *) bfd_malloc (amt); |
dc810e39 | 868 | amt = max_sym_count * sizeof (asection *); |
a50b1753 | 869 | finfo.sec_ptrs = (asection **) bfd_malloc (amt); |
dc810e39 | 870 | amt = max_sym_count * sizeof (long); |
a50b1753 NC |
871 | finfo.sym_indices = (long int *) bfd_malloc (amt); |
872 | finfo.outsyms = (bfd_byte *) bfd_malloc ((max_sym_count + 1) * symesz); | |
dc810e39 | 873 | amt = max_lineno_count * bfd_coff_linesz (abfd); |
a50b1753 NC |
874 | finfo.linenos = (bfd_byte *) bfd_malloc (amt); |
875 | finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size); | |
dc810e39 | 876 | amt = max_reloc_count * relsz; |
a50b1753 | 877 | finfo.external_relocs = (bfd_byte *) bfd_malloc (amt); |
1049f94e | 878 | if (! info->relocatable) |
dc810e39 AM |
879 | { |
880 | amt = max_reloc_count * sizeof (struct internal_reloc); | |
a50b1753 | 881 | finfo.internal_relocs = (struct internal_reloc *) bfd_malloc (amt); |
dc810e39 | 882 | } |
252b5132 RH |
883 | if ((finfo.internal_syms == NULL && max_sym_count > 0) |
884 | || (finfo.sec_ptrs == NULL && max_sym_count > 0) | |
885 | || (finfo.sym_indices == NULL && max_sym_count > 0) | |
886 | || finfo.outsyms == NULL | |
887 | || (finfo.linenos == NULL && max_lineno_count > 0) | |
888 | || (finfo.contents == NULL && max_contents_size > 0) | |
889 | || (finfo.external_relocs == NULL && max_reloc_count > 0) | |
1049f94e | 890 | || (! info->relocatable |
252b5132 RH |
891 | && finfo.internal_relocs == NULL |
892 | && max_reloc_count > 0)) | |
893 | goto error_return; | |
894 | ||
895 | /* We now know the position of everything in the file, except that | |
896 | we don't know the size of the symbol table and therefore we don't | |
897 | know where the string table starts. We just build the string | |
898 | table in memory as we go along. We process all the relocations | |
899 | for a single input file at once. */ | |
900 | obj_raw_syment_count (abfd) = 0; | |
901 | ||
902 | if (coff_backend_info (abfd)->_bfd_coff_start_final_link) | |
903 | { | |
904 | if (! bfd_coff_start_final_link (abfd, info)) | |
905 | goto error_return; | |
906 | } | |
907 | ||
908 | for (o = abfd->sections; o != NULL; o = o->next) | |
909 | { | |
8423293d | 910 | for (p = o->map_head.link_order; p != NULL; p = p->next) |
252b5132 RH |
911 | { |
912 | if (p->type == bfd_indirect_link_order | |
9bd09e22 | 913 | && bfd_family_coff (p->u.indirect.section->owner)) |
252b5132 RH |
914 | { |
915 | sub = p->u.indirect.section->owner; | |
916 | if (! bfd_coff_link_output_has_begun (sub, & finfo)) | |
917 | { | |
918 | if (! _bfd_coff_link_input_bfd (&finfo, sub)) | |
919 | goto error_return; | |
b34976b6 | 920 | sub->output_has_begun = TRUE; |
252b5132 RH |
921 | } |
922 | } | |
923 | else if (p->type == bfd_section_reloc_link_order | |
924 | || p->type == bfd_symbol_reloc_link_order) | |
925 | { | |
926 | if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p)) | |
927 | goto error_return; | |
928 | } | |
929 | else | |
930 | { | |
931 | if (! _bfd_default_link_order (abfd, info, o, p)) | |
932 | goto error_return; | |
933 | } | |
934 | } | |
935 | } | |
936 | ||
937 | if (! bfd_coff_final_link_postscript (abfd, & finfo)) | |
938 | goto error_return; | |
244148ad | 939 | |
252b5132 RH |
940 | /* Free up the buffers used by _bfd_coff_link_input_bfd. */ |
941 | ||
942 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
b34976b6 | 943 | debug_merge_allocated = FALSE; |
252b5132 RH |
944 | |
945 | if (finfo.internal_syms != NULL) | |
946 | { | |
947 | free (finfo.internal_syms); | |
948 | finfo.internal_syms = NULL; | |
949 | } | |
950 | if (finfo.sec_ptrs != NULL) | |
951 | { | |
952 | free (finfo.sec_ptrs); | |
953 | finfo.sec_ptrs = NULL; | |
954 | } | |
955 | if (finfo.sym_indices != NULL) | |
956 | { | |
957 | free (finfo.sym_indices); | |
958 | finfo.sym_indices = NULL; | |
959 | } | |
960 | if (finfo.linenos != NULL) | |
961 | { | |
962 | free (finfo.linenos); | |
963 | finfo.linenos = NULL; | |
964 | } | |
965 | if (finfo.contents != NULL) | |
966 | { | |
967 | free (finfo.contents); | |
968 | finfo.contents = NULL; | |
969 | } | |
970 | if (finfo.external_relocs != NULL) | |
971 | { | |
972 | free (finfo.external_relocs); | |
973 | finfo.external_relocs = NULL; | |
974 | } | |
975 | if (finfo.internal_relocs != NULL) | |
976 | { | |
977 | free (finfo.internal_relocs); | |
978 | finfo.internal_relocs = NULL; | |
979 | } | |
980 | ||
981 | /* The value of the last C_FILE symbol is supposed to be the symbol | |
982 | index of the first external symbol. Write it out again if | |
983 | necessary. */ | |
984 | if (finfo.last_file_index != -1 | |
985 | && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)) | |
986 | { | |
dc810e39 AM |
987 | file_ptr pos; |
988 | ||
252b5132 | 989 | finfo.last_file.n_value = obj_raw_syment_count (abfd); |
8b956130 NC |
990 | bfd_coff_swap_sym_out (abfd, &finfo.last_file, |
991 | finfo.outsyms); | |
dc810e39 AM |
992 | |
993 | pos = obj_sym_filepos (abfd) + finfo.last_file_index * symesz; | |
994 | if (bfd_seek (abfd, pos, SEEK_SET) != 0 | |
995 | || bfd_bwrite (finfo.outsyms, symesz, abfd) != symesz) | |
b34976b6 | 996 | return FALSE; |
252b5132 RH |
997 | } |
998 | ||
999 | /* If doing task linking (ld --task-link) then make a pass through the | |
1000 | global symbols, writing out any that are defined, and making them | |
244148ad | 1001 | static. */ |
252b5132 RH |
1002 | if (info->task_link) |
1003 | { | |
b34976b6 | 1004 | finfo.failed = FALSE; |
e92d460e | 1005 | coff_link_hash_traverse (coff_hash_table (info), |
8b956130 | 1006 | _bfd_coff_write_task_globals, &finfo); |
252b5132 RH |
1007 | if (finfo.failed) |
1008 | goto error_return; | |
1009 | } | |
1010 | ||
1011 | /* Write out the global symbols. */ | |
b34976b6 | 1012 | finfo.failed = FALSE; |
e92d460e | 1013 | coff_link_hash_traverse (coff_hash_table (info), |
8b956130 | 1014 | _bfd_coff_write_global_sym, &finfo); |
252b5132 RH |
1015 | if (finfo.failed) |
1016 | goto error_return; | |
1017 | ||
1018 | /* The outsyms buffer is used by _bfd_coff_write_global_sym. */ | |
1019 | if (finfo.outsyms != NULL) | |
1020 | { | |
1021 | free (finfo.outsyms); | |
1022 | finfo.outsyms = NULL; | |
1023 | } | |
1024 | ||
1049f94e | 1025 | if (info->relocatable && max_output_reloc_count > 0) |
252b5132 RH |
1026 | { |
1027 | /* Now that we have written out all the global symbols, we know | |
1028 | the symbol indices to use for relocs against them, and we can | |
1029 | finally write out the relocs. */ | |
dc810e39 | 1030 | amt = max_output_reloc_count * relsz; |
a50b1753 | 1031 | external_relocs = (bfd_byte *) bfd_malloc (amt); |
252b5132 RH |
1032 | if (external_relocs == NULL) |
1033 | goto error_return; | |
1034 | ||
1035 | for (o = abfd->sections; o != NULL; o = o->next) | |
1036 | { | |
1037 | struct internal_reloc *irel; | |
1038 | struct internal_reloc *irelend; | |
1039 | struct coff_link_hash_entry **rel_hash; | |
1040 | bfd_byte *erel; | |
1041 | ||
1042 | if (o->reloc_count == 0) | |
1043 | continue; | |
1044 | ||
1045 | irel = finfo.section_info[o->target_index].relocs; | |
1046 | irelend = irel + o->reloc_count; | |
1047 | rel_hash = finfo.section_info[o->target_index].rel_hashes; | |
1048 | erel = external_relocs; | |
1049 | for (; irel < irelend; irel++, rel_hash++, erel += relsz) | |
1050 | { | |
1051 | if (*rel_hash != NULL) | |
1052 | { | |
1053 | BFD_ASSERT ((*rel_hash)->indx >= 0); | |
1054 | irel->r_symndx = (*rel_hash)->indx; | |
1055 | } | |
8b956130 | 1056 | bfd_coff_swap_reloc_out (abfd, irel, erel); |
252b5132 RH |
1057 | } |
1058 | ||
cd339148 NS |
1059 | if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0) |
1060 | goto error_return; | |
1061 | if (obj_pe (abfd) && o->reloc_count >= 0xffff) | |
1062 | { | |
1063 | /* In PE COFF, write the count of relocs as the first | |
1064 | reloc. The header overflow bit will be set | |
1065 | elsewhere. */ | |
1066 | struct internal_reloc incount; | |
1067 | bfd_byte *excount = (bfd_byte *)bfd_malloc (relsz); | |
1068 | ||
1069 | memset (&incount, 0, sizeof (incount)); | |
1070 | incount.r_vaddr = o->reloc_count + 1; | |
1071 | bfd_coff_swap_reloc_out (abfd, (PTR) &incount, (PTR) excount); | |
1072 | if (bfd_bwrite (excount, relsz, abfd) != relsz) | |
1073 | /* We'll leak, but it's an error anyway. */ | |
1074 | goto error_return; | |
1075 | free (excount); | |
1076 | } | |
1077 | if (bfd_bwrite (external_relocs, | |
1078 | (bfd_size_type) relsz * o->reloc_count, abfd) | |
1079 | != (bfd_size_type) relsz * o->reloc_count) | |
252b5132 RH |
1080 | goto error_return; |
1081 | } | |
1082 | ||
1083 | free (external_relocs); | |
1084 | external_relocs = NULL; | |
1085 | } | |
1086 | ||
1087 | /* Free up the section information. */ | |
1088 | if (finfo.section_info != NULL) | |
1089 | { | |
1090 | unsigned int i; | |
1091 | ||
1092 | for (i = 0; i < abfd->section_count; i++) | |
1093 | { | |
1094 | if (finfo.section_info[i].relocs != NULL) | |
1095 | free (finfo.section_info[i].relocs); | |
1096 | if (finfo.section_info[i].rel_hashes != NULL) | |
1097 | free (finfo.section_info[i].rel_hashes); | |
1098 | } | |
1099 | free (finfo.section_info); | |
1100 | finfo.section_info = NULL; | |
1101 | } | |
1102 | ||
1103 | /* If we have optimized stabs strings, output them. */ | |
3722b82f | 1104 | if (coff_hash_table (info)->stab_info.stabstr != NULL) |
252b5132 RH |
1105 | { |
1106 | if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)->stab_info)) | |
b34976b6 | 1107 | return FALSE; |
252b5132 RH |
1108 | } |
1109 | ||
1110 | /* Write out the string table. */ | |
1111 | if (obj_raw_syment_count (abfd) != 0 || long_section_names) | |
1112 | { | |
dc810e39 AM |
1113 | file_ptr pos; |
1114 | ||
1115 | pos = obj_sym_filepos (abfd) + obj_raw_syment_count (abfd) * symesz; | |
1116 | if (bfd_seek (abfd, pos, SEEK_SET) != 0) | |
b34976b6 | 1117 | return FALSE; |
252b5132 RH |
1118 | |
1119 | #if STRING_SIZE_SIZE == 4 | |
dc810e39 AM |
1120 | H_PUT_32 (abfd, |
1121 | _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE, | |
1122 | strbuf); | |
252b5132 | 1123 | #else |
dc810e39 | 1124 | #error Change H_PUT_32 above |
252b5132 RH |
1125 | #endif |
1126 | ||
dc810e39 AM |
1127 | if (bfd_bwrite (strbuf, (bfd_size_type) STRING_SIZE_SIZE, abfd) |
1128 | != STRING_SIZE_SIZE) | |
b34976b6 | 1129 | return FALSE; |
252b5132 RH |
1130 | |
1131 | if (! _bfd_stringtab_emit (abfd, finfo.strtab)) | |
b34976b6 | 1132 | return FALSE; |
d71f672e | 1133 | |
b34976b6 | 1134 | obj_coff_strings_written (abfd) = TRUE; |
252b5132 RH |
1135 | } |
1136 | ||
1137 | _bfd_stringtab_free (finfo.strtab); | |
1138 | ||
1139 | /* Setting bfd_get_symcount to 0 will cause write_object_contents to | |
1140 | not try to write out the symbols. */ | |
1141 | bfd_get_symcount (abfd) = 0; | |
1142 | ||
b34976b6 | 1143 | return TRUE; |
252b5132 RH |
1144 | |
1145 | error_return: | |
1146 | if (debug_merge_allocated) | |
1147 | coff_debug_merge_hash_table_free (&finfo.debug_merge); | |
1148 | if (finfo.strtab != NULL) | |
1149 | _bfd_stringtab_free (finfo.strtab); | |
1150 | if (finfo.section_info != NULL) | |
1151 | { | |
1152 | unsigned int i; | |
1153 | ||
1154 | for (i = 0; i < abfd->section_count; i++) | |
1155 | { | |
1156 | if (finfo.section_info[i].relocs != NULL) | |
1157 | free (finfo.section_info[i].relocs); | |
1158 | if (finfo.section_info[i].rel_hashes != NULL) | |
1159 | free (finfo.section_info[i].rel_hashes); | |
1160 | } | |
1161 | free (finfo.section_info); | |
1162 | } | |
1163 | if (finfo.internal_syms != NULL) | |
1164 | free (finfo.internal_syms); | |
1165 | if (finfo.sec_ptrs != NULL) | |
1166 | free (finfo.sec_ptrs); | |
1167 | if (finfo.sym_indices != NULL) | |
1168 | free (finfo.sym_indices); | |
1169 | if (finfo.outsyms != NULL) | |
1170 | free (finfo.outsyms); | |
1171 | if (finfo.linenos != NULL) | |
1172 | free (finfo.linenos); | |
1173 | if (finfo.contents != NULL) | |
1174 | free (finfo.contents); | |
1175 | if (finfo.external_relocs != NULL) | |
1176 | free (finfo.external_relocs); | |
1177 | if (finfo.internal_relocs != NULL) | |
1178 | free (finfo.internal_relocs); | |
1179 | if (external_relocs != NULL) | |
1180 | free (external_relocs); | |
b34976b6 | 1181 | return FALSE; |
252b5132 RH |
1182 | } |
1183 | ||
8b956130 | 1184 | /* Parse out a -heap <reserved>,<commit> line. */ |
252b5132 RH |
1185 | |
1186 | static char * | |
8b956130 | 1187 | dores_com (char *ptr, bfd *output_bfd, int heap) |
252b5132 | 1188 | { |
244148ad | 1189 | if (coff_data(output_bfd)->pe) |
252b5132 RH |
1190 | { |
1191 | int val = strtoul (ptr, &ptr, 0); | |
8b956130 | 1192 | |
252b5132 | 1193 | if (heap) |
dc810e39 | 1194 | pe_data(output_bfd)->pe_opthdr.SizeOfHeapReserve = val; |
252b5132 | 1195 | else |
dc810e39 | 1196 | pe_data(output_bfd)->pe_opthdr.SizeOfStackReserve = val; |
252b5132 | 1197 | |
244148ad | 1198 | if (ptr[0] == ',') |
252b5132 | 1199 | { |
dc810e39 | 1200 | val = strtoul (ptr+1, &ptr, 0); |
252b5132 | 1201 | if (heap) |
dc810e39 | 1202 | pe_data(output_bfd)->pe_opthdr.SizeOfHeapCommit = val; |
252b5132 | 1203 | else |
dc810e39 | 1204 | pe_data(output_bfd)->pe_opthdr.SizeOfStackCommit = val; |
252b5132 RH |
1205 | } |
1206 | } | |
1207 | return ptr; | |
1208 | } | |
1209 | ||
8b956130 NC |
1210 | static char * |
1211 | get_name (char *ptr, char **dst) | |
252b5132 RH |
1212 | { |
1213 | while (*ptr == ' ') | |
1214 | ptr++; | |
1215 | *dst = ptr; | |
1216 | while (*ptr && *ptr != ' ') | |
1217 | ptr++; | |
1218 | *ptr = 0; | |
1219 | return ptr+1; | |
1220 | } | |
1221 | ||
8b956130 | 1222 | /* Process any magic embedded commands in a section called .drectve. */ |
244148ad | 1223 | |
252b5132 | 1224 | static int |
8b956130 NC |
1225 | process_embedded_commands (bfd *output_bfd, |
1226 | struct bfd_link_info *info ATTRIBUTE_UNUSED, | |
1227 | bfd *abfd) | |
252b5132 RH |
1228 | { |
1229 | asection *sec = bfd_get_section_by_name (abfd, ".drectve"); | |
1230 | char *s; | |
1231 | char *e; | |
eea6121a | 1232 | bfd_byte *copy; |
8b956130 | 1233 | |
244148ad | 1234 | if (!sec) |
252b5132 | 1235 | return 1; |
244148ad | 1236 | |
eea6121a | 1237 | if (!bfd_malloc_and_get_section (abfd, sec, ©)) |
252b5132 | 1238 | { |
eea6121a AM |
1239 | if (copy != NULL) |
1240 | free (copy); | |
252b5132 RH |
1241 | return 0; |
1242 | } | |
f075ee0c | 1243 | e = (char *) copy + sec->size; |
8b956130 | 1244 | |
f075ee0c | 1245 | for (s = (char *) copy; s < e ; ) |
252b5132 | 1246 | { |
f075ee0c | 1247 | if (s[0] != '-') |
8b956130 NC |
1248 | { |
1249 | s++; | |
1250 | continue; | |
1251 | } | |
0112cd26 | 1252 | if (CONST_STRNEQ (s, "-attr")) |
252b5132 RH |
1253 | { |
1254 | char *name; | |
1255 | char *attribs; | |
1256 | asection *asec; | |
252b5132 RH |
1257 | int loop = 1; |
1258 | int had_write = 0; | |
252b5132 | 1259 | int had_exec= 0; |
8b956130 | 1260 | |
252b5132 | 1261 | s += 5; |
8b956130 NC |
1262 | s = get_name (s, &name); |
1263 | s = get_name (s, &attribs); | |
1264 | ||
1265 | while (loop) | |
1266 | { | |
1267 | switch (*attribs++) | |
1268 | { | |
1269 | case 'W': | |
1270 | had_write = 1; | |
1271 | break; | |
1272 | case 'R': | |
8b956130 NC |
1273 | break; |
1274 | case 'S': | |
8b956130 NC |
1275 | break; |
1276 | case 'X': | |
1277 | had_exec = 1; | |
1278 | break; | |
1279 | default: | |
1280 | loop = 0; | |
1281 | } | |
1282 | } | |
252b5132 | 1283 | asec = bfd_get_section_by_name (abfd, name); |
8b956130 NC |
1284 | if (asec) |
1285 | { | |
1286 | if (had_exec) | |
1287 | asec->flags |= SEC_CODE; | |
1288 | if (!had_write) | |
1289 | asec->flags |= SEC_READONLY; | |
1290 | } | |
252b5132 | 1291 | } |
0112cd26 NC |
1292 | else if (CONST_STRNEQ (s, "-heap")) |
1293 | s = dores_com (s + 5, output_bfd, 1); | |
8b956130 | 1294 | |
0112cd26 NC |
1295 | else if (CONST_STRNEQ (s, "-stack")) |
1296 | s = dores_com (s + 6, output_bfd, 0); | |
8b956130 | 1297 | |
c1711530 DK |
1298 | /* GNU extension for aligned commons. */ |
1299 | else if (CONST_STRNEQ (s, "-aligncomm:")) | |
1300 | { | |
1301 | /* Common symbols must be aligned on reading, as it | |
1302 | is too late to do anything here, after they have | |
1303 | already been allocated, so just skip the directive. */ | |
1304 | s += 11; | |
1305 | } | |
1306 | ||
244148ad | 1307 | else |
252b5132 RH |
1308 | s++; |
1309 | } | |
1310 | free (copy); | |
1311 | return 1; | |
1312 | } | |
1313 | ||
1314 | /* Place a marker against all symbols which are used by relocations. | |
1315 | This marker can be picked up by the 'do we skip this symbol ?' | |
1316 | loop in _bfd_coff_link_input_bfd() and used to prevent skipping | |
8b956130 | 1317 | that symbol. */ |
252b5132 RH |
1318 | |
1319 | static void | |
8b956130 | 1320 | mark_relocs (struct coff_final_link_info *finfo, bfd *input_bfd) |
252b5132 RH |
1321 | { |
1322 | asection * a; | |
1323 | ||
1324 | if ((bfd_get_file_flags (input_bfd) & HAS_SYMS) == 0) | |
1325 | return; | |
244148ad | 1326 | |
252b5132 RH |
1327 | for (a = input_bfd->sections; a != (asection *) NULL; a = a->next) |
1328 | { | |
1329 | struct internal_reloc * internal_relocs; | |
1330 | struct internal_reloc * irel; | |
1331 | struct internal_reloc * irelend; | |
1332 | ||
252b5132 RH |
1333 | if ((a->flags & SEC_RELOC) == 0 || a->reloc_count < 1) |
1334 | continue; | |
a8fcf378 NC |
1335 | /* Don't mark relocs in excluded sections. */ |
1336 | if (a->output_section == bfd_abs_section_ptr) | |
1337 | continue; | |
252b5132 RH |
1338 | |
1339 | /* Read in the relocs. */ | |
1340 | internal_relocs = _bfd_coff_read_internal_relocs | |
b34976b6 | 1341 | (input_bfd, a, FALSE, |
252b5132 | 1342 | finfo->external_relocs, |
1049f94e AM |
1343 | finfo->info->relocatable, |
1344 | (finfo->info->relocatable | |
252b5132 RH |
1345 | ? (finfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count) |
1346 | : finfo->internal_relocs) | |
1347 | ); | |
244148ad | 1348 | |
252b5132 RH |
1349 | if (internal_relocs == NULL) |
1350 | continue; | |
1351 | ||
1352 | irel = internal_relocs; | |
1353 | irelend = irel + a->reloc_count; | |
1354 | ||
1355 | /* Place a mark in the sym_indices array (whose entries have | |
1356 | been initialised to 0) for all of the symbols that are used | |
1357 | in the relocation table. This will then be picked up in the | |
8b956130 | 1358 | skip/don't-skip pass. */ |
252b5132 | 1359 | for (; irel < irelend; irel++) |
8b956130 | 1360 | finfo->sym_indices[ irel->r_symndx ] = -1; |
252b5132 RH |
1361 | } |
1362 | } | |
1363 | ||
1364 | /* Link an input file into the linker output file. This function | |
1365 | handles all the sections and relocations of the input file at once. */ | |
1366 | ||
b34976b6 | 1367 | bfd_boolean |
8b956130 | 1368 | _bfd_coff_link_input_bfd (struct coff_final_link_info *finfo, bfd *input_bfd) |
252b5132 | 1369 | { |
b2d638c7 ILT |
1370 | unsigned int n_tmask = coff_data (input_bfd)->local_n_tmask; |
1371 | unsigned int n_btshft = coff_data (input_bfd)->local_n_btshft; | |
b34976b6 | 1372 | bfd_boolean (*adjust_symndx) |
8b956130 NC |
1373 | (bfd *, struct bfd_link_info *, bfd *, asection *, |
1374 | struct internal_reloc *, bfd_boolean *); | |
252b5132 RH |
1375 | bfd *output_bfd; |
1376 | const char *strings; | |
1377 | bfd_size_type syment_base; | |
b34976b6 | 1378 | bfd_boolean copy, hash; |
252b5132 RH |
1379 | bfd_size_type isymesz; |
1380 | bfd_size_type osymesz; | |
1381 | bfd_size_type linesz; | |
1382 | bfd_byte *esym; | |
1383 | bfd_byte *esym_end; | |
1384 | struct internal_syment *isymp; | |
1385 | asection **secpp; | |
1386 | long *indexp; | |
1387 | unsigned long output_index; | |
1388 | bfd_byte *outsym; | |
1389 | struct coff_link_hash_entry **sym_hash; | |
1390 | asection *o; | |
1391 | ||
1392 | /* Move all the symbols to the output file. */ | |
1393 | ||
1394 | output_bfd = finfo->output_bfd; | |
252b5132 RH |
1395 | strings = NULL; |
1396 | syment_base = obj_raw_syment_count (output_bfd); | |
1397 | isymesz = bfd_coff_symesz (input_bfd); | |
1398 | osymesz = bfd_coff_symesz (output_bfd); | |
1399 | linesz = bfd_coff_linesz (input_bfd); | |
1400 | BFD_ASSERT (linesz == bfd_coff_linesz (output_bfd)); | |
1401 | ||
b34976b6 | 1402 | copy = FALSE; |
252b5132 | 1403 | if (! finfo->info->keep_memory) |
b34976b6 AM |
1404 | copy = TRUE; |
1405 | hash = TRUE; | |
252b5132 | 1406 | if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0) |
b34976b6 | 1407 | hash = FALSE; |
252b5132 RH |
1408 | |
1409 | if (! _bfd_coff_get_external_symbols (input_bfd)) | |
b34976b6 | 1410 | return FALSE; |
252b5132 RH |
1411 | |
1412 | esym = (bfd_byte *) obj_coff_external_syms (input_bfd); | |
1413 | esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz; | |
1414 | isymp = finfo->internal_syms; | |
1415 | secpp = finfo->sec_ptrs; | |
1416 | indexp = finfo->sym_indices; | |
1417 | output_index = syment_base; | |
1418 | outsym = finfo->outsyms; | |
1419 | ||
8b956130 NC |
1420 | if (coff_data (output_bfd)->pe |
1421 | && ! process_embedded_commands (output_bfd, finfo->info, input_bfd)) | |
1422 | return FALSE; | |
252b5132 | 1423 | |
8b956130 NC |
1424 | /* If we are going to perform relocations and also strip/discard some |
1425 | symbols then we must make sure that we do not strip/discard those | |
1426 | symbols that are going to be involved in the relocations. */ | |
252b5132 RH |
1427 | if (( finfo->info->strip != strip_none |
1428 | || finfo->info->discard != discard_none) | |
1049f94e | 1429 | && finfo->info->relocatable) |
252b5132 | 1430 | { |
8b956130 | 1431 | /* Mark the symbol array as 'not-used'. */ |
244148ad KH |
1432 | memset (indexp, 0, obj_raw_syment_count (input_bfd) * sizeof * indexp); |
1433 | ||
252b5132 RH |
1434 | mark_relocs (finfo, input_bfd); |
1435 | } | |
1436 | ||
1437 | while (esym < esym_end) | |
1438 | { | |
1439 | struct internal_syment isym; | |
5d54c628 | 1440 | enum coff_symbol_classification classification; |
b34976b6 AM |
1441 | bfd_boolean skip; |
1442 | bfd_boolean global; | |
1443 | bfd_boolean dont_skip_symbol; | |
252b5132 RH |
1444 | int add; |
1445 | ||
8b956130 | 1446 | bfd_coff_swap_sym_in (input_bfd, esym, isymp); |
252b5132 RH |
1447 | |
1448 | /* Make a copy of *isymp so that the relocate_section function | |
1449 | always sees the original values. This is more reliable than | |
1450 | always recomputing the symbol value even if we are stripping | |
1451 | the symbol. */ | |
1452 | isym = *isymp; | |
1453 | ||
5d54c628 ILT |
1454 | classification = bfd_coff_classify_symbol (input_bfd, &isym); |
1455 | switch (classification) | |
252b5132 | 1456 | { |
5d54c628 ILT |
1457 | default: |
1458 | abort (); | |
1459 | case COFF_SYMBOL_GLOBAL: | |
1460 | case COFF_SYMBOL_PE_SECTION: | |
1461 | case COFF_SYMBOL_LOCAL: | |
1462 | *secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum); | |
1463 | break; | |
1464 | case COFF_SYMBOL_COMMON: | |
1465 | *secpp = bfd_com_section_ptr; | |
1466 | break; | |
1467 | case COFF_SYMBOL_UNDEFINED: | |
1468 | *secpp = bfd_und_section_ptr; | |
1469 | break; | |
252b5132 RH |
1470 | } |
1471 | ||
1472 | /* Extract the flag indicating if this symbol is used by a | |
1473 | relocation. */ | |
1474 | if ((finfo->info->strip != strip_none | |
1475 | || finfo->info->discard != discard_none) | |
1049f94e | 1476 | && finfo->info->relocatable) |
252b5132 RH |
1477 | dont_skip_symbol = *indexp; |
1478 | else | |
b34976b6 | 1479 | dont_skip_symbol = FALSE; |
244148ad | 1480 | |
252b5132 RH |
1481 | *indexp = -1; |
1482 | ||
b34976b6 AM |
1483 | skip = FALSE; |
1484 | global = FALSE; | |
252b5132 RH |
1485 | add = 1 + isym.n_numaux; |
1486 | ||
1487 | /* If we are stripping all symbols, we want to skip this one. */ | |
1488 | if (finfo->info->strip == strip_all && ! dont_skip_symbol) | |
b34976b6 | 1489 | skip = TRUE; |
252b5132 RH |
1490 | |
1491 | if (! skip) | |
1492 | { | |
5d54c628 | 1493 | switch (classification) |
252b5132 | 1494 | { |
5d54c628 ILT |
1495 | default: |
1496 | abort (); | |
1497 | case COFF_SYMBOL_GLOBAL: | |
1498 | case COFF_SYMBOL_COMMON: | |
1499 | case COFF_SYMBOL_PE_SECTION: | |
252b5132 RH |
1500 | /* This is a global symbol. Global symbols come at the |
1501 | end of the symbol table, so skip them for now. | |
1502 | Locally defined function symbols, however, are an | |
1503 | exception, and are not moved to the end. */ | |
b34976b6 | 1504 | global = TRUE; |
5d54c628 | 1505 | if (! ISFCN (isym.n_type)) |
b34976b6 | 1506 | skip = TRUE; |
5d54c628 ILT |
1507 | break; |
1508 | ||
1509 | case COFF_SYMBOL_UNDEFINED: | |
1510 | /* Undefined symbols are left for the end. */ | |
b34976b6 AM |
1511 | global = TRUE; |
1512 | skip = TRUE; | |
5d54c628 ILT |
1513 | break; |
1514 | ||
1515 | case COFF_SYMBOL_LOCAL: | |
252b5132 RH |
1516 | /* This is a local symbol. Skip it if we are discarding |
1517 | local symbols. */ | |
1518 | if (finfo->info->discard == discard_all && ! dont_skip_symbol) | |
b34976b6 | 1519 | skip = TRUE; |
5d54c628 | 1520 | break; |
252b5132 RH |
1521 | } |
1522 | } | |
1523 | ||
440c4607 NC |
1524 | #ifndef COFF_WITH_PE |
1525 | /* Skip section symbols for sections which are not going to be | |
862517b6 | 1526 | emitted. */ |
440c4607 | 1527 | if (!skip |
f0803690 | 1528 | && !dont_skip_symbol |
440c4607 NC |
1529 | && isym.n_sclass == C_STAT |
1530 | && isym.n_type == T_NULL | |
f0803690 AM |
1531 | && isym.n_numaux > 0 |
1532 | && ((*secpp)->output_section == bfd_abs_section_ptr | |
1533 | || bfd_section_removed_from_list (output_bfd, | |
1534 | (*secpp)->output_section))) | |
3922a8c1 | 1535 | skip = TRUE; |
440c4607 NC |
1536 | #endif |
1537 | ||
252b5132 RH |
1538 | /* If we stripping debugging symbols, and this is a debugging |
1539 | symbol, then skip it. FIXME: gas sets the section to N_ABS | |
1540 | for some types of debugging symbols; I don't know if this is | |
1541 | a bug or not. In any case, we handle it here. */ | |
1542 | if (! skip | |
1543 | && finfo->info->strip == strip_debugger | |
1544 | && ! dont_skip_symbol | |
1545 | && (isym.n_scnum == N_DEBUG | |
1546 | || (isym.n_scnum == N_ABS | |
1547 | && (isym.n_sclass == C_AUTO | |
1548 | || isym.n_sclass == C_REG | |
1549 | || isym.n_sclass == C_MOS | |
1550 | || isym.n_sclass == C_MOE | |
1551 | || isym.n_sclass == C_MOU | |
1552 | || isym.n_sclass == C_ARG | |
1553 | || isym.n_sclass == C_REGPARM | |
1554 | || isym.n_sclass == C_FIELD | |
1555 | || isym.n_sclass == C_EOS)))) | |
b34976b6 | 1556 | skip = TRUE; |
252b5132 RH |
1557 | |
1558 | /* If some symbols are stripped based on the name, work out the | |
1559 | name and decide whether to skip this symbol. */ | |
1560 | if (! skip | |
1561 | && (finfo->info->strip == strip_some | |
1562 | || finfo->info->discard == discard_l)) | |
1563 | { | |
1564 | const char *name; | |
1565 | char buf[SYMNMLEN + 1]; | |
1566 | ||
1567 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); | |
1568 | if (name == NULL) | |
b34976b6 | 1569 | return FALSE; |
252b5132 RH |
1570 | |
1571 | if (! dont_skip_symbol | |
1572 | && ((finfo->info->strip == strip_some | |
b34976b6 AM |
1573 | && (bfd_hash_lookup (finfo->info->keep_hash, name, FALSE, |
1574 | FALSE) == NULL)) | |
252b5132 RH |
1575 | || (! global |
1576 | && finfo->info->discard == discard_l | |
1577 | && bfd_is_local_label_name (input_bfd, name)))) | |
b34976b6 | 1578 | skip = TRUE; |
252b5132 RH |
1579 | } |
1580 | ||
1581 | /* If this is an enum, struct, or union tag, see if we have | |
1582 | already output an identical type. */ | |
1583 | if (! skip | |
1584 | && (finfo->output_bfd->flags & BFD_TRADITIONAL_FORMAT) == 0 | |
1585 | && (isym.n_sclass == C_ENTAG | |
1586 | || isym.n_sclass == C_STRTAG | |
1587 | || isym.n_sclass == C_UNTAG) | |
1588 | && isym.n_numaux == 1) | |
1589 | { | |
1590 | const char *name; | |
1591 | char buf[SYMNMLEN + 1]; | |
1592 | struct coff_debug_merge_hash_entry *mh; | |
1593 | struct coff_debug_merge_type *mt; | |
1594 | union internal_auxent aux; | |
1595 | struct coff_debug_merge_element **epp; | |
1596 | bfd_byte *esl, *eslend; | |
1597 | struct internal_syment *islp; | |
dc810e39 | 1598 | bfd_size_type amt; |
252b5132 RH |
1599 | |
1600 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); | |
1601 | if (name == NULL) | |
b34976b6 | 1602 | return FALSE; |
252b5132 RH |
1603 | |
1604 | /* Ignore fake names invented by compiler; treat them all as | |
1605 | the same name. */ | |
1606 | if (*name == '~' || *name == '.' || *name == '$' | |
1607 | || (*name == bfd_get_symbol_leading_char (input_bfd) | |
1608 | && (name[1] == '~' || name[1] == '.' || name[1] == '$'))) | |
1609 | name = ""; | |
1610 | ||
1611 | mh = coff_debug_merge_hash_lookup (&finfo->debug_merge, name, | |
b34976b6 | 1612 | TRUE, TRUE); |
252b5132 | 1613 | if (mh == NULL) |
b34976b6 | 1614 | return FALSE; |
252b5132 RH |
1615 | |
1616 | /* Allocate memory to hold type information. If this turns | |
1617 | out to be a duplicate, we pass this address to | |
1618 | bfd_release. */ | |
dc810e39 | 1619 | amt = sizeof (struct coff_debug_merge_type); |
a50b1753 | 1620 | mt = (struct coff_debug_merge_type *) bfd_alloc (input_bfd, amt); |
252b5132 | 1621 | if (mt == NULL) |
b34976b6 | 1622 | return FALSE; |
96d56e9f | 1623 | mt->type_class = isym.n_sclass; |
252b5132 RH |
1624 | |
1625 | /* Pick up the aux entry, which points to the end of the tag | |
1626 | entries. */ | |
8b956130 | 1627 | bfd_coff_swap_aux_in (input_bfd, (esym + isymesz), |
252b5132 | 1628 | isym.n_type, isym.n_sclass, 0, isym.n_numaux, |
8b956130 | 1629 | &aux); |
252b5132 RH |
1630 | |
1631 | /* Gather the elements. */ | |
1632 | epp = &mt->elements; | |
1633 | mt->elements = NULL; | |
1634 | islp = isymp + 2; | |
1635 | esl = esym + 2 * isymesz; | |
1636 | eslend = ((bfd_byte *) obj_coff_external_syms (input_bfd) | |
1637 | + aux.x_sym.x_fcnary.x_fcn.x_endndx.l * isymesz); | |
1638 | while (esl < eslend) | |
1639 | { | |
1640 | const char *elename; | |
1641 | char elebuf[SYMNMLEN + 1]; | |
00692651 | 1642 | char *name_copy; |
252b5132 | 1643 | |
8b956130 | 1644 | bfd_coff_swap_sym_in (input_bfd, esl, islp); |
252b5132 | 1645 | |
dc810e39 | 1646 | amt = sizeof (struct coff_debug_merge_element); |
a50b1753 NC |
1647 | *epp = (struct coff_debug_merge_element *) |
1648 | bfd_alloc (input_bfd, amt); | |
252b5132 | 1649 | if (*epp == NULL) |
b34976b6 | 1650 | return FALSE; |
252b5132 RH |
1651 | |
1652 | elename = _bfd_coff_internal_syment_name (input_bfd, islp, | |
1653 | elebuf); | |
1654 | if (elename == NULL) | |
b34976b6 | 1655 | return FALSE; |
252b5132 | 1656 | |
dc810e39 | 1657 | amt = strlen (elename) + 1; |
a50b1753 | 1658 | name_copy = (char *) bfd_alloc (input_bfd, amt); |
00692651 | 1659 | if (name_copy == NULL) |
b34976b6 | 1660 | return FALSE; |
00692651 | 1661 | strcpy (name_copy, elename); |
252b5132 | 1662 | |
00692651 | 1663 | (*epp)->name = name_copy; |
252b5132 RH |
1664 | (*epp)->type = islp->n_type; |
1665 | (*epp)->tagndx = 0; | |
1666 | if (islp->n_numaux >= 1 | |
1667 | && islp->n_type != T_NULL | |
1668 | && islp->n_sclass != C_EOS) | |
1669 | { | |
1670 | union internal_auxent eleaux; | |
1671 | long indx; | |
1672 | ||
8b956130 | 1673 | bfd_coff_swap_aux_in (input_bfd, (esl + isymesz), |
252b5132 | 1674 | islp->n_type, islp->n_sclass, 0, |
8b956130 | 1675 | islp->n_numaux, &eleaux); |
252b5132 RH |
1676 | indx = eleaux.x_sym.x_tagndx.l; |
1677 | ||
1678 | /* FIXME: If this tagndx entry refers to a symbol | |
1679 | defined later in this file, we just ignore it. | |
1680 | Handling this correctly would be tedious, and may | |
1681 | not be required. */ | |
252b5132 RH |
1682 | if (indx > 0 |
1683 | && (indx | |
1684 | < ((esym - | |
1685 | (bfd_byte *) obj_coff_external_syms (input_bfd)) | |
1686 | / (long) isymesz))) | |
1687 | { | |
1688 | (*epp)->tagndx = finfo->sym_indices[indx]; | |
1689 | if ((*epp)->tagndx < 0) | |
1690 | (*epp)->tagndx = 0; | |
1691 | } | |
1692 | } | |
1693 | epp = &(*epp)->next; | |
1694 | *epp = NULL; | |
1695 | ||
1696 | esl += (islp->n_numaux + 1) * isymesz; | |
1697 | islp += islp->n_numaux + 1; | |
1698 | } | |
1699 | ||
1700 | /* See if we already have a definition which matches this | |
1701 | type. We always output the type if it has no elements, | |
1702 | for simplicity. */ | |
1703 | if (mt->elements == NULL) | |
8b956130 | 1704 | bfd_release (input_bfd, mt); |
252b5132 RH |
1705 | else |
1706 | { | |
1707 | struct coff_debug_merge_type *mtl; | |
1708 | ||
1709 | for (mtl = mh->types; mtl != NULL; mtl = mtl->next) | |
1710 | { | |
1711 | struct coff_debug_merge_element *me, *mel; | |
1712 | ||
96d56e9f | 1713 | if (mtl->type_class != mt->type_class) |
252b5132 RH |
1714 | continue; |
1715 | ||
1716 | for (me = mt->elements, mel = mtl->elements; | |
1717 | me != NULL && mel != NULL; | |
1718 | me = me->next, mel = mel->next) | |
1719 | { | |
1720 | if (strcmp (me->name, mel->name) != 0 | |
1721 | || me->type != mel->type | |
1722 | || me->tagndx != mel->tagndx) | |
1723 | break; | |
1724 | } | |
1725 | ||
1726 | if (me == NULL && mel == NULL) | |
1727 | break; | |
1728 | } | |
1729 | ||
1730 | if (mtl == NULL || (bfd_size_type) mtl->indx >= syment_base) | |
1731 | { | |
1732 | /* This is the first definition of this type. */ | |
1733 | mt->indx = output_index; | |
1734 | mt->next = mh->types; | |
1735 | mh->types = mt; | |
1736 | } | |
1737 | else | |
1738 | { | |
1739 | /* This is a redefinition which can be merged. */ | |
8b956130 | 1740 | bfd_release (input_bfd, mt); |
252b5132 RH |
1741 | *indexp = mtl->indx; |
1742 | add = (eslend - esym) / isymesz; | |
b34976b6 | 1743 | skip = TRUE; |
252b5132 RH |
1744 | } |
1745 | } | |
1746 | } | |
1747 | ||
1748 | /* We now know whether we are to skip this symbol or not. */ | |
1749 | if (! skip) | |
1750 | { | |
1751 | /* Adjust the symbol in order to output it. */ | |
1752 | ||
1753 | if (isym._n._n_n._n_zeroes == 0 | |
1754 | && isym._n._n_n._n_offset != 0) | |
1755 | { | |
1756 | const char *name; | |
1757 | bfd_size_type indx; | |
1758 | ||
1759 | /* This symbol has a long name. Enter it in the string | |
1760 | table we are building. Note that we do not check | |
1761 | bfd_coff_symname_in_debug. That is only true for | |
1762 | XCOFF, and XCOFF requires different linking code | |
1763 | anyhow. */ | |
8b956130 | 1764 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, NULL); |
252b5132 | 1765 | if (name == NULL) |
b34976b6 | 1766 | return FALSE; |
252b5132 RH |
1767 | indx = _bfd_stringtab_add (finfo->strtab, name, hash, copy); |
1768 | if (indx == (bfd_size_type) -1) | |
b34976b6 | 1769 | return FALSE; |
252b5132 RH |
1770 | isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; |
1771 | } | |
1772 | ||
8add8e30 | 1773 | switch (isym.n_sclass) |
252b5132 | 1774 | { |
8add8e30 ILT |
1775 | case C_AUTO: |
1776 | case C_MOS: | |
1777 | case C_EOS: | |
1778 | case C_MOE: | |
1779 | case C_MOU: | |
1780 | case C_UNTAG: | |
1781 | case C_STRTAG: | |
1782 | case C_ENTAG: | |
1783 | case C_TPDEF: | |
1784 | case C_ARG: | |
1785 | case C_USTATIC: | |
1786 | case C_REG: | |
1787 | case C_REGPARM: | |
1788 | case C_FIELD: | |
1789 | /* The symbol value should not be modified. */ | |
1790 | break; | |
1791 | ||
1792 | case C_FCN: | |
1793 | if (obj_pe (input_bfd) | |
1794 | && strcmp (isym.n_name, ".bf") != 0 | |
1795 | && isym.n_scnum > 0) | |
1796 | { | |
1797 | /* For PE, .lf and .ef get their value left alone, | |
1798 | while .bf gets relocated. However, they all have | |
1799 | "real" section numbers, and need to be moved into | |
1800 | the new section. */ | |
1801 | isym.n_scnum = (*secpp)->output_section->target_index; | |
1802 | break; | |
1803 | } | |
1804 | /* Fall through. */ | |
1805 | default: | |
1806 | case C_LABEL: /* Not completely sure about these 2 */ | |
1807 | case C_EXTDEF: | |
1808 | case C_BLOCK: | |
1809 | case C_EFCN: | |
1810 | case C_NULL: | |
1811 | case C_EXT: | |
1812 | case C_STAT: | |
1813 | case C_SECTION: | |
1814 | case C_NT_WEAK: | |
1815 | /* Compute new symbol location. */ | |
1816 | if (isym.n_scnum > 0) | |
1817 | { | |
1818 | isym.n_scnum = (*secpp)->output_section->target_index; | |
1819 | isym.n_value += (*secpp)->output_offset; | |
1820 | if (! obj_pe (input_bfd)) | |
1821 | isym.n_value -= (*secpp)->vma; | |
1822 | if (! obj_pe (finfo->output_bfd)) | |
1823 | isym.n_value += (*secpp)->output_section->vma; | |
1824 | } | |
1825 | break; | |
1826 | ||
1827 | case C_FILE: | |
1828 | /* The value of a C_FILE symbol is the symbol index of | |
1829 | the next C_FILE symbol. The value of the last C_FILE | |
1830 | symbol is the symbol index to the first external | |
1831 | symbol (actually, coff_renumber_symbols does not get | |
1832 | this right--it just sets the value of the last C_FILE | |
1833 | symbol to zero--and nobody has ever complained about | |
1834 | it). We try to get this right, below, just before we | |
1835 | write the symbols out, but in the general case we may | |
1836 | have to write the symbol out twice. */ | |
252b5132 | 1837 | if (finfo->last_file_index != -1 |
cea4409c | 1838 | && finfo->last_file.n_value != (bfd_vma) output_index) |
252b5132 | 1839 | { |
8add8e30 ILT |
1840 | /* We must correct the value of the last C_FILE |
1841 | entry. */ | |
252b5132 RH |
1842 | finfo->last_file.n_value = output_index; |
1843 | if ((bfd_size_type) finfo->last_file_index >= syment_base) | |
1844 | { | |
1845 | /* The last C_FILE symbol is in this input file. */ | |
1846 | bfd_coff_swap_sym_out (output_bfd, | |
8b956130 NC |
1847 | &finfo->last_file, |
1848 | (finfo->outsyms | |
1849 | + ((finfo->last_file_index | |
1850 | - syment_base) | |
1851 | * osymesz))); | |
252b5132 RH |
1852 | } |
1853 | else | |
1854 | { | |
dc810e39 AM |
1855 | file_ptr pos; |
1856 | ||
252b5132 RH |
1857 | /* We have already written out the last C_FILE |
1858 | symbol. We need to write it out again. We | |
1859 | borrow *outsym temporarily. */ | |
1860 | bfd_coff_swap_sym_out (output_bfd, | |
8b956130 | 1861 | &finfo->last_file, outsym); |
dc810e39 AM |
1862 | pos = obj_sym_filepos (output_bfd); |
1863 | pos += finfo->last_file_index * osymesz; | |
1864 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
1865 | || bfd_bwrite (outsym, osymesz, output_bfd) != osymesz) | |
b34976b6 | 1866 | return FALSE; |
252b5132 RH |
1867 | } |
1868 | } | |
1869 | ||
1870 | finfo->last_file_index = output_index; | |
1871 | finfo->last_file = isym; | |
8add8e30 | 1872 | break; |
252b5132 RH |
1873 | } |
1874 | ||
1875 | /* If doing task linking, convert normal global function symbols to | |
e4202681 NC |
1876 | static functions. */ |
1877 | if (finfo->info->task_link && IS_EXTERNAL (input_bfd, isym)) | |
252b5132 RH |
1878 | isym.n_sclass = C_STAT; |
1879 | ||
1880 | /* Output the symbol. */ | |
8b956130 | 1881 | bfd_coff_swap_sym_out (output_bfd, &isym, outsym); |
252b5132 RH |
1882 | |
1883 | *indexp = output_index; | |
1884 | ||
1885 | if (global) | |
1886 | { | |
1887 | long indx; | |
1888 | struct coff_link_hash_entry *h; | |
1889 | ||
1890 | indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd)) | |
1891 | / isymesz); | |
1892 | h = obj_coff_sym_hashes (input_bfd)[indx]; | |
1893 | if (h == NULL) | |
1894 | { | |
1895 | /* This can happen if there were errors earlier in | |
1896 | the link. */ | |
1897 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 1898 | return FALSE; |
252b5132 RH |
1899 | } |
1900 | h->indx = output_index; | |
1901 | } | |
1902 | ||
1903 | output_index += add; | |
1904 | outsym += add * osymesz; | |
1905 | } | |
1906 | ||
1907 | esym += add * isymesz; | |
1908 | isymp += add; | |
1909 | ++secpp; | |
1910 | ++indexp; | |
1911 | for (--add; add > 0; --add) | |
1912 | { | |
1913 | *secpp++ = NULL; | |
1914 | *indexp++ = -1; | |
1915 | } | |
1916 | } | |
1917 | ||
1918 | /* Fix up the aux entries. This must be done in a separate pass, | |
1919 | because we don't know the correct symbol indices until we have | |
1920 | already decided which symbols we are going to keep. */ | |
252b5132 RH |
1921 | esym = (bfd_byte *) obj_coff_external_syms (input_bfd); |
1922 | esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz; | |
1923 | isymp = finfo->internal_syms; | |
1924 | indexp = finfo->sym_indices; | |
1925 | sym_hash = obj_coff_sym_hashes (input_bfd); | |
1926 | outsym = finfo->outsyms; | |
8b956130 | 1927 | |
252b5132 RH |
1928 | while (esym < esym_end) |
1929 | { | |
1930 | int add; | |
1931 | ||
1932 | add = 1 + isymp->n_numaux; | |
1933 | ||
1934 | if ((*indexp < 0 | |
1935 | || (bfd_size_type) *indexp < syment_base) | |
1936 | && (*sym_hash == NULL | |
1937 | || (*sym_hash)->auxbfd != input_bfd)) | |
1938 | esym += add * isymesz; | |
1939 | else | |
1940 | { | |
1941 | struct coff_link_hash_entry *h; | |
1942 | int i; | |
1943 | ||
1944 | h = NULL; | |
1945 | if (*indexp < 0) | |
1946 | { | |
1947 | h = *sym_hash; | |
1948 | ||
1949 | /* The m68k-motorola-sysv assembler will sometimes | |
1950 | generate two symbols with the same name, but only one | |
1951 | will have aux entries. */ | |
1952 | BFD_ASSERT (isymp->n_numaux == 0 | |
cfc9dfb1 | 1953 | || h->numaux == 0 |
252b5132 RH |
1954 | || h->numaux == isymp->n_numaux); |
1955 | } | |
1956 | ||
1957 | esym += isymesz; | |
1958 | ||
1959 | if (h == NULL) | |
1960 | outsym += osymesz; | |
1961 | ||
1962 | /* Handle the aux entries. This handling is based on | |
1963 | coff_pointerize_aux. I don't know if it always correct. */ | |
1964 | for (i = 0; i < isymp->n_numaux && esym < esym_end; i++) | |
1965 | { | |
1966 | union internal_auxent aux; | |
1967 | union internal_auxent *auxp; | |
1968 | ||
cfc9dfb1 | 1969 | if (h != NULL && h->aux != NULL && (h->numaux > i)) |
252b5132 RH |
1970 | auxp = h->aux + i; |
1971 | else | |
1972 | { | |
8b956130 NC |
1973 | bfd_coff_swap_aux_in (input_bfd, esym, isymp->n_type, |
1974 | isymp->n_sclass, i, isymp->n_numaux, &aux); | |
252b5132 RH |
1975 | auxp = &aux; |
1976 | } | |
1977 | ||
1978 | if (isymp->n_sclass == C_FILE) | |
1979 | { | |
1980 | /* If this is a long filename, we must put it in the | |
1981 | string table. */ | |
1982 | if (auxp->x_file.x_n.x_zeroes == 0 | |
1983 | && auxp->x_file.x_n.x_offset != 0) | |
1984 | { | |
1985 | const char *filename; | |
1986 | bfd_size_type indx; | |
1987 | ||
1988 | BFD_ASSERT (auxp->x_file.x_n.x_offset | |
1989 | >= STRING_SIZE_SIZE); | |
1990 | if (strings == NULL) | |
1991 | { | |
1992 | strings = _bfd_coff_read_string_table (input_bfd); | |
1993 | if (strings == NULL) | |
b34976b6 | 1994 | return FALSE; |
252b5132 RH |
1995 | } |
1996 | filename = strings + auxp->x_file.x_n.x_offset; | |
1997 | indx = _bfd_stringtab_add (finfo->strtab, filename, | |
1998 | hash, copy); | |
1999 | if (indx == (bfd_size_type) -1) | |
b34976b6 | 2000 | return FALSE; |
252b5132 RH |
2001 | auxp->x_file.x_n.x_offset = STRING_SIZE_SIZE + indx; |
2002 | } | |
2003 | } | |
0c429e07 NC |
2004 | else if ((isymp->n_sclass != C_STAT || isymp->n_type != T_NULL) |
2005 | && isymp->n_sclass != C_NT_WEAK) | |
252b5132 RH |
2006 | { |
2007 | unsigned long indx; | |
2008 | ||
2009 | if (ISFCN (isymp->n_type) | |
2010 | || ISTAG (isymp->n_sclass) | |
2011 | || isymp->n_sclass == C_BLOCK | |
2012 | || isymp->n_sclass == C_FCN) | |
2013 | { | |
2014 | indx = auxp->x_sym.x_fcnary.x_fcn.x_endndx.l; | |
2015 | if (indx > 0 | |
2016 | && indx < obj_raw_syment_count (input_bfd)) | |
2017 | { | |
2018 | /* We look forward through the symbol for | |
2019 | the index of the next symbol we are going | |
2020 | to include. I don't know if this is | |
2021 | entirely right. */ | |
2022 | while ((finfo->sym_indices[indx] < 0 | |
2023 | || ((bfd_size_type) finfo->sym_indices[indx] | |
2024 | < syment_base)) | |
2025 | && indx < obj_raw_syment_count (input_bfd)) | |
2026 | ++indx; | |
2027 | if (indx >= obj_raw_syment_count (input_bfd)) | |
2028 | indx = output_index; | |
2029 | else | |
2030 | indx = finfo->sym_indices[indx]; | |
2031 | auxp->x_sym.x_fcnary.x_fcn.x_endndx.l = indx; | |
2032 | } | |
2033 | } | |
2034 | ||
2035 | indx = auxp->x_sym.x_tagndx.l; | |
2036 | if (indx > 0 && indx < obj_raw_syment_count (input_bfd)) | |
2037 | { | |
2038 | long symindx; | |
2039 | ||
2040 | symindx = finfo->sym_indices[indx]; | |
2041 | if (symindx < 0) | |
2042 | auxp->x_sym.x_tagndx.l = 0; | |
2043 | else | |
2044 | auxp->x_sym.x_tagndx.l = symindx; | |
2045 | } | |
2046 | ||
2047 | /* The .bf symbols are supposed to be linked through | |
2048 | the endndx field. We need to carry this list | |
2049 | across object files. */ | |
2050 | if (i == 0 | |
2051 | && h == NULL | |
2052 | && isymp->n_sclass == C_FCN | |
2053 | && (isymp->_n._n_n._n_zeroes != 0 | |
2054 | || isymp->_n._n_n._n_offset == 0) | |
2055 | && isymp->_n._n_name[0] == '.' | |
2056 | && isymp->_n._n_name[1] == 'b' | |
2057 | && isymp->_n._n_name[2] == 'f' | |
2058 | && isymp->_n._n_name[3] == '\0') | |
2059 | { | |
2060 | if (finfo->last_bf_index != -1) | |
2061 | { | |
2062 | finfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l = | |
2063 | *indexp; | |
2064 | ||
2065 | if ((bfd_size_type) finfo->last_bf_index | |
2066 | >= syment_base) | |
2067 | { | |
8b956130 | 2068 | void *auxout; |
252b5132 RH |
2069 | |
2070 | /* The last .bf symbol is in this input | |
2071 | file. This will only happen if the | |
2072 | assembler did not set up the .bf | |
2073 | endndx symbols correctly. */ | |
8b956130 NC |
2074 | auxout = (finfo->outsyms |
2075 | + ((finfo->last_bf_index | |
2076 | - syment_base) | |
2077 | * osymesz)); | |
2078 | ||
252b5132 | 2079 | bfd_coff_swap_aux_out (output_bfd, |
8b956130 | 2080 | &finfo->last_bf, |
252b5132 RH |
2081 | isymp->n_type, |
2082 | isymp->n_sclass, | |
2083 | 0, isymp->n_numaux, | |
2084 | auxout); | |
2085 | } | |
2086 | else | |
2087 | { | |
dc810e39 AM |
2088 | file_ptr pos; |
2089 | ||
252b5132 RH |
2090 | /* We have already written out the last |
2091 | .bf aux entry. We need to write it | |
2092 | out again. We borrow *outsym | |
2093 | temporarily. FIXME: This case should | |
2094 | be made faster. */ | |
2095 | bfd_coff_swap_aux_out (output_bfd, | |
8b956130 | 2096 | &finfo->last_bf, |
252b5132 RH |
2097 | isymp->n_type, |
2098 | isymp->n_sclass, | |
2099 | 0, isymp->n_numaux, | |
8b956130 | 2100 | outsym); |
dc810e39 AM |
2101 | pos = obj_sym_filepos (output_bfd); |
2102 | pos += finfo->last_bf_index * osymesz; | |
2103 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
2104 | || (bfd_bwrite (outsym, osymesz, output_bfd) | |
2105 | != osymesz)) | |
b34976b6 | 2106 | return FALSE; |
252b5132 RH |
2107 | } |
2108 | } | |
2109 | ||
2110 | if (auxp->x_sym.x_fcnary.x_fcn.x_endndx.l != 0) | |
2111 | finfo->last_bf_index = -1; | |
2112 | else | |
2113 | { | |
2114 | /* The endndx field of this aux entry must | |
2115 | be updated with the symbol number of the | |
2116 | next .bf symbol. */ | |
2117 | finfo->last_bf = *auxp; | |
2118 | finfo->last_bf_index = (((outsym - finfo->outsyms) | |
2119 | / osymesz) | |
2120 | + syment_base); | |
2121 | } | |
2122 | } | |
2123 | } | |
2124 | ||
2125 | if (h == NULL) | |
2126 | { | |
8b956130 | 2127 | bfd_coff_swap_aux_out (output_bfd, auxp, isymp->n_type, |
252b5132 | 2128 | isymp->n_sclass, i, isymp->n_numaux, |
8b956130 | 2129 | outsym); |
252b5132 RH |
2130 | outsym += osymesz; |
2131 | } | |
2132 | ||
2133 | esym += isymesz; | |
2134 | } | |
2135 | } | |
2136 | ||
2137 | indexp += add; | |
2138 | isymp += add; | |
2139 | sym_hash += add; | |
2140 | } | |
2141 | ||
2142 | /* Relocate the line numbers, unless we are stripping them. */ | |
2143 | if (finfo->info->strip == strip_none | |
2144 | || finfo->info->strip == strip_some) | |
2145 | { | |
2146 | for (o = input_bfd->sections; o != NULL; o = o->next) | |
2147 | { | |
2148 | bfd_vma offset; | |
2149 | bfd_byte *eline; | |
2150 | bfd_byte *elineend; | |
b545f675 | 2151 | bfd_byte *oeline; |
b34976b6 | 2152 | bfd_boolean skipping; |
dc810e39 AM |
2153 | file_ptr pos; |
2154 | bfd_size_type amt; | |
252b5132 RH |
2155 | |
2156 | /* FIXME: If SEC_HAS_CONTENTS is not for the section, then | |
2157 | build_link_order in ldwrite.c will not have created a | |
2158 | link order, which means that we will not have seen this | |
2159 | input section in _bfd_coff_final_link, which means that | |
2160 | we will not have allocated space for the line numbers of | |
2161 | this section. I don't think line numbers can be | |
2162 | meaningful for a section which does not have | |
2163 | SEC_HAS_CONTENTS set, but, if they do, this must be | |
2164 | changed. */ | |
2165 | if (o->lineno_count == 0 | |
2166 | || (o->output_section->flags & SEC_HAS_CONTENTS) == 0) | |
2167 | continue; | |
2168 | ||
2169 | if (bfd_seek (input_bfd, o->line_filepos, SEEK_SET) != 0 | |
dc810e39 | 2170 | || bfd_bread (finfo->linenos, linesz * o->lineno_count, |
252b5132 | 2171 | input_bfd) != linesz * o->lineno_count) |
b34976b6 | 2172 | return FALSE; |
252b5132 RH |
2173 | |
2174 | offset = o->output_section->vma + o->output_offset - o->vma; | |
2175 | eline = finfo->linenos; | |
b545f675 | 2176 | oeline = finfo->linenos; |
252b5132 | 2177 | elineend = eline + linesz * o->lineno_count; |
b34976b6 | 2178 | skipping = FALSE; |
252b5132 RH |
2179 | for (; eline < elineend; eline += linesz) |
2180 | { | |
2181 | struct internal_lineno iline; | |
2182 | ||
8b956130 | 2183 | bfd_coff_swap_lineno_in (input_bfd, eline, &iline); |
252b5132 RH |
2184 | |
2185 | if (iline.l_lnno != 0) | |
2186 | iline.l_addr.l_paddr += offset; | |
2187 | else if (iline.l_addr.l_symndx >= 0 | |
2188 | && ((unsigned long) iline.l_addr.l_symndx | |
2189 | < obj_raw_syment_count (input_bfd))) | |
2190 | { | |
2191 | long indx; | |
2192 | ||
2193 | indx = finfo->sym_indices[iline.l_addr.l_symndx]; | |
2194 | ||
2195 | if (indx < 0) | |
2196 | { | |
2197 | /* These line numbers are attached to a symbol | |
b545f675 ILT |
2198 | which we are stripping. We must discard the |
2199 | line numbers because reading them back with | |
2200 | no associated symbol (or associating them all | |
2201 | with symbol #0) will fail. We can't regain | |
2202 | the space in the output file, but at least | |
2203 | they're dense. */ | |
b34976b6 | 2204 | skipping = TRUE; |
252b5132 RH |
2205 | } |
2206 | else | |
2207 | { | |
2208 | struct internal_syment is; | |
2209 | union internal_auxent ia; | |
2210 | ||
2211 | /* Fix up the lnnoptr field in the aux entry of | |
2212 | the symbol. It turns out that we can't do | |
2213 | this when we modify the symbol aux entries, | |
2214 | because gas sometimes screws up the lnnoptr | |
2215 | field and makes it an offset from the start | |
2216 | of the line numbers rather than an absolute | |
2217 | file index. */ | |
2218 | bfd_coff_swap_sym_in (output_bfd, | |
8b956130 NC |
2219 | (finfo->outsyms |
2220 | + ((indx - syment_base) | |
2221 | * osymesz)), &is); | |
252b5132 RH |
2222 | if ((ISFCN (is.n_type) |
2223 | || is.n_sclass == C_BLOCK) | |
2224 | && is.n_numaux >= 1) | |
2225 | { | |
8b956130 | 2226 | void *auxptr; |
252b5132 | 2227 | |
8b956130 NC |
2228 | auxptr = (finfo->outsyms |
2229 | + ((indx - syment_base + 1) | |
2230 | * osymesz)); | |
252b5132 RH |
2231 | bfd_coff_swap_aux_in (output_bfd, auxptr, |
2232 | is.n_type, is.n_sclass, | |
8b956130 | 2233 | 0, is.n_numaux, &ia); |
252b5132 RH |
2234 | ia.x_sym.x_fcnary.x_fcn.x_lnnoptr = |
2235 | (o->output_section->line_filepos | |
2236 | + o->output_section->lineno_count * linesz | |
2237 | + eline - finfo->linenos); | |
8b956130 | 2238 | bfd_coff_swap_aux_out (output_bfd, &ia, |
252b5132 RH |
2239 | is.n_type, is.n_sclass, 0, |
2240 | is.n_numaux, auxptr); | |
2241 | } | |
b545f675 | 2242 | |
b34976b6 | 2243 | skipping = FALSE; |
252b5132 RH |
2244 | } |
2245 | ||
2246 | iline.l_addr.l_symndx = indx; | |
2247 | } | |
2248 | ||
b545f675 ILT |
2249 | if (!skipping) |
2250 | { | |
8b956130 | 2251 | bfd_coff_swap_lineno_out (output_bfd, &iline, oeline); |
b545f675 ILT |
2252 | oeline += linesz; |
2253 | } | |
252b5132 RH |
2254 | } |
2255 | ||
dc810e39 AM |
2256 | pos = o->output_section->line_filepos; |
2257 | pos += o->output_section->lineno_count * linesz; | |
2258 | amt = oeline - finfo->linenos; | |
2259 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
2260 | || bfd_bwrite (finfo->linenos, amt, output_bfd) != amt) | |
b34976b6 | 2261 | return FALSE; |
252b5132 | 2262 | |
dc810e39 | 2263 | o->output_section->lineno_count += amt / linesz; |
252b5132 RH |
2264 | } |
2265 | } | |
2266 | ||
2267 | /* If we swapped out a C_FILE symbol, guess that the next C_FILE | |
2268 | symbol will be the first symbol in the next input file. In the | |
2269 | normal case, this will save us from writing out the C_FILE symbol | |
2270 | again. */ | |
2271 | if (finfo->last_file_index != -1 | |
2272 | && (bfd_size_type) finfo->last_file_index >= syment_base) | |
2273 | { | |
2274 | finfo->last_file.n_value = output_index; | |
8b956130 NC |
2275 | bfd_coff_swap_sym_out (output_bfd, &finfo->last_file, |
2276 | (finfo->outsyms | |
2277 | + ((finfo->last_file_index - syment_base) | |
2278 | * osymesz))); | |
252b5132 RH |
2279 | } |
2280 | ||
2281 | /* Write the modified symbols to the output file. */ | |
2282 | if (outsym > finfo->outsyms) | |
2283 | { | |
dc810e39 AM |
2284 | file_ptr pos; |
2285 | bfd_size_type amt; | |
2286 | ||
2287 | pos = obj_sym_filepos (output_bfd) + syment_base * osymesz; | |
2288 | amt = outsym - finfo->outsyms; | |
2289 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
2290 | || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt) | |
b34976b6 | 2291 | return FALSE; |
252b5132 RH |
2292 | |
2293 | BFD_ASSERT ((obj_raw_syment_count (output_bfd) | |
2294 | + (outsym - finfo->outsyms) / osymesz) | |
2295 | == output_index); | |
2296 | ||
2297 | obj_raw_syment_count (output_bfd) = output_index; | |
2298 | } | |
2299 | ||
2300 | /* Relocate the contents of each section. */ | |
2301 | adjust_symndx = coff_backend_info (input_bfd)->_bfd_coff_adjust_symndx; | |
2302 | for (o = input_bfd->sections; o != NULL; o = o->next) | |
2303 | { | |
2304 | bfd_byte *contents; | |
2305 | struct coff_section_tdata *secdata; | |
2306 | ||
2307 | if (! o->linker_mark) | |
8b956130 NC |
2308 | /* This section was omitted from the link. */ |
2309 | continue; | |
252b5132 | 2310 | |
3722b82f AM |
2311 | if ((o->flags & SEC_LINKER_CREATED) != 0) |
2312 | continue; | |
2313 | ||
252b5132 | 2314 | if ((o->flags & SEC_HAS_CONTENTS) == 0 |
eea6121a | 2315 | || (o->size == 0 && (o->flags & SEC_RELOC) == 0)) |
252b5132 RH |
2316 | { |
2317 | if ((o->flags & SEC_RELOC) != 0 | |
2318 | && o->reloc_count != 0) | |
2319 | { | |
d003868e AM |
2320 | (*_bfd_error_handler) |
2321 | (_("%B: relocs in section `%A', but it has no contents"), | |
2322 | input_bfd, o); | |
252b5132 | 2323 | bfd_set_error (bfd_error_no_contents); |
b34976b6 | 2324 | return FALSE; |
252b5132 RH |
2325 | } |
2326 | ||
2327 | continue; | |
2328 | } | |
2329 | ||
2330 | secdata = coff_section_data (input_bfd, o); | |
2331 | if (secdata != NULL && secdata->contents != NULL) | |
2332 | contents = secdata->contents; | |
2333 | else | |
2334 | { | |
eea6121a AM |
2335 | bfd_size_type x = o->rawsize ? o->rawsize : o->size; |
2336 | if (! bfd_get_section_contents (input_bfd, o, finfo->contents, 0, x)) | |
b34976b6 | 2337 | return FALSE; |
252b5132 RH |
2338 | contents = finfo->contents; |
2339 | } | |
2340 | ||
2341 | if ((o->flags & SEC_RELOC) != 0) | |
2342 | { | |
2343 | int target_index; | |
2344 | struct internal_reloc *internal_relocs; | |
2345 | struct internal_reloc *irel; | |
2346 | ||
2347 | /* Read in the relocs. */ | |
2348 | target_index = o->output_section->target_index; | |
2349 | internal_relocs = (_bfd_coff_read_internal_relocs | |
b34976b6 | 2350 | (input_bfd, o, FALSE, finfo->external_relocs, |
1049f94e AM |
2351 | finfo->info->relocatable, |
2352 | (finfo->info->relocatable | |
252b5132 RH |
2353 | ? (finfo->section_info[target_index].relocs |
2354 | + o->output_section->reloc_count) | |
2355 | : finfo->internal_relocs))); | |
2356 | if (internal_relocs == NULL) | |
b34976b6 | 2357 | return FALSE; |
252b5132 RH |
2358 | |
2359 | /* Call processor specific code to relocate the section | |
2360 | contents. */ | |
2361 | if (! bfd_coff_relocate_section (output_bfd, finfo->info, | |
2362 | input_bfd, o, | |
2363 | contents, | |
2364 | internal_relocs, | |
2365 | finfo->internal_syms, | |
2366 | finfo->sec_ptrs)) | |
b34976b6 | 2367 | return FALSE; |
252b5132 | 2368 | |
1049f94e | 2369 | if (finfo->info->relocatable) |
252b5132 RH |
2370 | { |
2371 | bfd_vma offset; | |
2372 | struct internal_reloc *irelend; | |
2373 | struct coff_link_hash_entry **rel_hash; | |
2374 | ||
2375 | offset = o->output_section->vma + o->output_offset - o->vma; | |
2376 | irel = internal_relocs; | |
2377 | irelend = irel + o->reloc_count; | |
2378 | rel_hash = (finfo->section_info[target_index].rel_hashes | |
2379 | + o->output_section->reloc_count); | |
2380 | for (; irel < irelend; irel++, rel_hash++) | |
2381 | { | |
2382 | struct coff_link_hash_entry *h; | |
b34976b6 | 2383 | bfd_boolean adjusted; |
252b5132 RH |
2384 | |
2385 | *rel_hash = NULL; | |
2386 | ||
2387 | /* Adjust the reloc address and symbol index. */ | |
252b5132 RH |
2388 | irel->r_vaddr += offset; |
2389 | ||
2390 | if (irel->r_symndx == -1) | |
2391 | continue; | |
2392 | ||
2393 | if (adjust_symndx) | |
2394 | { | |
2395 | if (! (*adjust_symndx) (output_bfd, finfo->info, | |
2396 | input_bfd, o, irel, | |
2397 | &adjusted)) | |
b34976b6 | 2398 | return FALSE; |
252b5132 RH |
2399 | if (adjusted) |
2400 | continue; | |
2401 | } | |
2402 | ||
2403 | h = obj_coff_sym_hashes (input_bfd)[irel->r_symndx]; | |
2404 | if (h != NULL) | |
2405 | { | |
2406 | /* This is a global symbol. */ | |
2407 | if (h->indx >= 0) | |
2408 | irel->r_symndx = h->indx; | |
2409 | else | |
2410 | { | |
2411 | /* This symbol is being written at the end | |
2412 | of the file, and we do not yet know the | |
2413 | symbol index. We save the pointer to the | |
2414 | hash table entry in the rel_hash list. | |
2415 | We set the indx field to -2 to indicate | |
2416 | that this symbol must not be stripped. */ | |
2417 | *rel_hash = h; | |
2418 | h->indx = -2; | |
2419 | } | |
2420 | } | |
2421 | else | |
2422 | { | |
2423 | long indx; | |
2424 | ||
2425 | indx = finfo->sym_indices[irel->r_symndx]; | |
2426 | if (indx != -1) | |
2427 | irel->r_symndx = indx; | |
2428 | else | |
2429 | { | |
2430 | struct internal_syment *is; | |
2431 | const char *name; | |
2432 | char buf[SYMNMLEN + 1]; | |
2433 | ||
2434 | /* This reloc is against a symbol we are | |
2435 | stripping. This should have been handled | |
2436 | by the 'dont_skip_symbol' code in the while | |
244148ad | 2437 | loop at the top of this function. */ |
252b5132 RH |
2438 | is = finfo->internal_syms + irel->r_symndx; |
2439 | ||
2440 | name = (_bfd_coff_internal_syment_name | |
2441 | (input_bfd, is, buf)); | |
2442 | if (name == NULL) | |
b34976b6 | 2443 | return FALSE; |
252b5132 RH |
2444 | |
2445 | if (! ((*finfo->info->callbacks->unattached_reloc) | |
2446 | (finfo->info, name, input_bfd, o, | |
2447 | irel->r_vaddr))) | |
b34976b6 | 2448 | return FALSE; |
252b5132 RH |
2449 | } |
2450 | } | |
2451 | } | |
2452 | ||
2453 | o->output_section->reloc_count += o->reloc_count; | |
2454 | } | |
2455 | } | |
2456 | ||
2457 | /* Write out the modified section contents. */ | |
2458 | if (secdata == NULL || secdata->stab_info == NULL) | |
2459 | { | |
dc810e39 | 2460 | file_ptr loc = o->output_offset * bfd_octets_per_byte (output_bfd); |
252b5132 | 2461 | if (! bfd_set_section_contents (output_bfd, o->output_section, |
eea6121a | 2462 | contents, loc, o->size)) |
b34976b6 | 2463 | return FALSE; |
252b5132 RH |
2464 | } |
2465 | else | |
2466 | { | |
2467 | if (! (_bfd_write_section_stabs | |
2468 | (output_bfd, &coff_hash_table (finfo->info)->stab_info, | |
2469 | o, &secdata->stab_info, contents))) | |
b34976b6 | 2470 | return FALSE; |
252b5132 RH |
2471 | } |
2472 | } | |
2473 | ||
8b956130 NC |
2474 | if (! finfo->info->keep_memory |
2475 | && ! _bfd_coff_free_symbols (input_bfd)) | |
2476 | return FALSE; | |
252b5132 | 2477 | |
b34976b6 | 2478 | return TRUE; |
252b5132 RH |
2479 | } |
2480 | ||
2481 | /* Write out a global symbol. Called via coff_link_hash_traverse. */ | |
2482 | ||
b34976b6 | 2483 | bfd_boolean |
8b956130 | 2484 | _bfd_coff_write_global_sym (struct coff_link_hash_entry *h, void *data) |
252b5132 RH |
2485 | { |
2486 | struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; | |
2487 | bfd *output_bfd; | |
2488 | struct internal_syment isym; | |
2489 | bfd_size_type symesz; | |
2490 | unsigned int i; | |
dc810e39 | 2491 | file_ptr pos; |
252b5132 RH |
2492 | |
2493 | output_bfd = finfo->output_bfd; | |
2494 | ||
e92d460e AM |
2495 | if (h->root.type == bfd_link_hash_warning) |
2496 | { | |
2497 | h = (struct coff_link_hash_entry *) h->root.u.i.link; | |
2498 | if (h->root.type == bfd_link_hash_new) | |
b34976b6 | 2499 | return TRUE; |
e92d460e AM |
2500 | } |
2501 | ||
252b5132 | 2502 | if (h->indx >= 0) |
b34976b6 | 2503 | return TRUE; |
252b5132 RH |
2504 | |
2505 | if (h->indx != -2 | |
2506 | && (finfo->info->strip == strip_all | |
2507 | || (finfo->info->strip == strip_some | |
2508 | && (bfd_hash_lookup (finfo->info->keep_hash, | |
b34976b6 | 2509 | h->root.root.string, FALSE, FALSE) |
252b5132 | 2510 | == NULL)))) |
b34976b6 | 2511 | return TRUE; |
252b5132 RH |
2512 | |
2513 | switch (h->root.type) | |
2514 | { | |
2515 | default: | |
2516 | case bfd_link_hash_new: | |
e92d460e | 2517 | case bfd_link_hash_warning: |
252b5132 | 2518 | abort (); |
b34976b6 | 2519 | return FALSE; |
252b5132 RH |
2520 | |
2521 | case bfd_link_hash_undefined: | |
2522 | case bfd_link_hash_undefweak: | |
2523 | isym.n_scnum = N_UNDEF; | |
2524 | isym.n_value = 0; | |
2525 | break; | |
2526 | ||
2527 | case bfd_link_hash_defined: | |
2528 | case bfd_link_hash_defweak: | |
2529 | { | |
2530 | asection *sec; | |
2531 | ||
2532 | sec = h->root.u.def.section->output_section; | |
2533 | if (bfd_is_abs_section (sec)) | |
2534 | isym.n_scnum = N_ABS; | |
2535 | else | |
2536 | isym.n_scnum = sec->target_index; | |
2537 | isym.n_value = (h->root.u.def.value | |
2538 | + h->root.u.def.section->output_offset); | |
2539 | if (! obj_pe (finfo->output_bfd)) | |
2540 | isym.n_value += sec->vma; | |
2541 | } | |
2542 | break; | |
2543 | ||
2544 | case bfd_link_hash_common: | |
2545 | isym.n_scnum = N_UNDEF; | |
2546 | isym.n_value = h->root.u.c.size; | |
2547 | break; | |
2548 | ||
2549 | case bfd_link_hash_indirect: | |
252b5132 | 2550 | /* Just ignore these. They can't be handled anyhow. */ |
b34976b6 | 2551 | return TRUE; |
252b5132 RH |
2552 | } |
2553 | ||
2554 | if (strlen (h->root.root.string) <= SYMNMLEN) | |
2555 | strncpy (isym._n._n_name, h->root.root.string, SYMNMLEN); | |
2556 | else | |
2557 | { | |
b34976b6 | 2558 | bfd_boolean hash; |
252b5132 RH |
2559 | bfd_size_type indx; |
2560 | ||
b34976b6 | 2561 | hash = TRUE; |
252b5132 | 2562 | if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT) != 0) |
b34976b6 | 2563 | hash = FALSE; |
252b5132 | 2564 | indx = _bfd_stringtab_add (finfo->strtab, h->root.root.string, hash, |
b34976b6 | 2565 | FALSE); |
252b5132 RH |
2566 | if (indx == (bfd_size_type) -1) |
2567 | { | |
b34976b6 AM |
2568 | finfo->failed = TRUE; |
2569 | return FALSE; | |
252b5132 RH |
2570 | } |
2571 | isym._n._n_n._n_zeroes = 0; | |
2572 | isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx; | |
2573 | } | |
2574 | ||
96d56e9f | 2575 | isym.n_sclass = h->symbol_class; |
252b5132 RH |
2576 | isym.n_type = h->type; |
2577 | ||
2578 | if (isym.n_sclass == C_NULL) | |
2579 | isym.n_sclass = C_EXT; | |
2580 | ||
2581 | /* If doing task linking and this is the pass where we convert | |
2582 | defined globals to statics, then do that conversion now. If the | |
2583 | symbol is not being converted, just ignore it and it will be | |
e4202681 | 2584 | output during a later pass. */ |
252b5132 RH |
2585 | if (finfo->global_to_static) |
2586 | { | |
e4202681 | 2587 | if (! IS_EXTERNAL (output_bfd, isym)) |
b34976b6 | 2588 | return TRUE; |
e4202681 | 2589 | |
252b5132 RH |
2590 | isym.n_sclass = C_STAT; |
2591 | } | |
2592 | ||
5c4491d3 | 2593 | /* When a weak symbol is not overridden by a strong one, |
e4202681 | 2594 | turn it into an external symbol when not building a |
1049f94e | 2595 | shared or relocatable object. */ |
e4202681 | 2596 | if (! finfo->info->shared |
1049f94e | 2597 | && ! finfo->info->relocatable |
e4202681 NC |
2598 | && IS_WEAK_EXTERNAL (finfo->output_bfd, isym)) |
2599 | isym.n_sclass = C_EXT; | |
2600 | ||
252b5132 | 2601 | isym.n_numaux = h->numaux; |
244148ad | 2602 | |
8b956130 | 2603 | bfd_coff_swap_sym_out (output_bfd, &isym, finfo->outsyms); |
252b5132 RH |
2604 | |
2605 | symesz = bfd_coff_symesz (output_bfd); | |
2606 | ||
dc810e39 AM |
2607 | pos = obj_sym_filepos (output_bfd); |
2608 | pos += obj_raw_syment_count (output_bfd) * symesz; | |
2609 | if (bfd_seek (output_bfd, pos, SEEK_SET) != 0 | |
2610 | || bfd_bwrite (finfo->outsyms, symesz, output_bfd) != symesz) | |
252b5132 | 2611 | { |
b34976b6 AM |
2612 | finfo->failed = TRUE; |
2613 | return FALSE; | |
252b5132 RH |
2614 | } |
2615 | ||
2616 | h->indx = obj_raw_syment_count (output_bfd); | |
2617 | ||
2618 | ++obj_raw_syment_count (output_bfd); | |
2619 | ||
2c546cd8 ILT |
2620 | /* Write out any associated aux entries. Most of the aux entries |
2621 | will have been modified in _bfd_coff_link_input_bfd. We have to | |
2622 | handle section aux entries here, now that we have the final | |
2623 | relocation and line number counts. */ | |
252b5132 RH |
2624 | for (i = 0; i < isym.n_numaux; i++) |
2625 | { | |
2c546cd8 ILT |
2626 | union internal_auxent *auxp; |
2627 | ||
2628 | auxp = h->aux + i; | |
2629 | ||
2630 | /* Look for a section aux entry here using the same tests that | |
2631 | coff_swap_aux_out uses. */ | |
2632 | if (i == 0 | |
2633 | && (isym.n_sclass == C_STAT | |
2634 | || isym.n_sclass == C_HIDDEN) | |
2635 | && isym.n_type == T_NULL | |
2636 | && (h->root.type == bfd_link_hash_defined | |
2637 | || h->root.type == bfd_link_hash_defweak)) | |
2638 | { | |
2639 | asection *sec; | |
2640 | ||
2641 | sec = h->root.u.def.section->output_section; | |
2642 | if (sec != NULL) | |
2643 | { | |
eea6121a | 2644 | auxp->x_scn.x_scnlen = sec->size; |
2c546cd8 ILT |
2645 | |
2646 | /* For PE, an overflow on the final link reportedly does | |
2647 | not matter. FIXME: Why not? */ | |
2c546cd8 ILT |
2648 | if (sec->reloc_count > 0xffff |
2649 | && (! obj_pe (output_bfd) | |
1049f94e | 2650 | || finfo->info->relocatable)) |
2c546cd8 ILT |
2651 | (*_bfd_error_handler) |
2652 | (_("%s: %s: reloc overflow: 0x%lx > 0xffff"), | |
2653 | bfd_get_filename (output_bfd), | |
2654 | bfd_get_section_name (output_bfd, sec), | |
2655 | sec->reloc_count); | |
2656 | ||
2657 | if (sec->lineno_count > 0xffff | |
2658 | && (! obj_pe (output_bfd) | |
1049f94e | 2659 | || finfo->info->relocatable)) |
2c546cd8 ILT |
2660 | (*_bfd_error_handler) |
2661 | (_("%s: warning: %s: line number overflow: 0x%lx > 0xffff"), | |
2662 | bfd_get_filename (output_bfd), | |
2663 | bfd_get_section_name (output_bfd, sec), | |
2664 | sec->lineno_count); | |
2665 | ||
2666 | auxp->x_scn.x_nreloc = sec->reloc_count; | |
2667 | auxp->x_scn.x_nlinno = sec->lineno_count; | |
2668 | auxp->x_scn.x_checksum = 0; | |
2669 | auxp->x_scn.x_associated = 0; | |
2670 | auxp->x_scn.x_comdat = 0; | |
2671 | } | |
2672 | } | |
2673 | ||
8b956130 | 2674 | bfd_coff_swap_aux_out (output_bfd, auxp, isym.n_type, |
dc810e39 | 2675 | isym.n_sclass, (int) i, isym.n_numaux, |
8b956130 | 2676 | finfo->outsyms); |
dc810e39 | 2677 | if (bfd_bwrite (finfo->outsyms, symesz, output_bfd) != symesz) |
252b5132 | 2678 | { |
b34976b6 AM |
2679 | finfo->failed = TRUE; |
2680 | return FALSE; | |
252b5132 RH |
2681 | } |
2682 | ++obj_raw_syment_count (output_bfd); | |
2683 | } | |
2684 | ||
b34976b6 | 2685 | return TRUE; |
252b5132 RH |
2686 | } |
2687 | ||
2688 | /* Write out task global symbols, converting them to statics. Called | |
2689 | via coff_link_hash_traverse. Calls bfd_coff_write_global_sym to do | |
244148ad | 2690 | the dirty work, if the symbol we are processing needs conversion. */ |
252b5132 | 2691 | |
b34976b6 | 2692 | bfd_boolean |
8b956130 | 2693 | _bfd_coff_write_task_globals (struct coff_link_hash_entry *h, void *data) |
252b5132 RH |
2694 | { |
2695 | struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; | |
b34976b6 AM |
2696 | bfd_boolean rtnval = TRUE; |
2697 | bfd_boolean save_global_to_static; | |
252b5132 | 2698 | |
e92d460e AM |
2699 | if (h->root.type == bfd_link_hash_warning) |
2700 | h = (struct coff_link_hash_entry *) h->root.u.i.link; | |
2701 | ||
252b5132 RH |
2702 | if (h->indx < 0) |
2703 | { | |
2704 | switch (h->root.type) | |
2705 | { | |
2706 | case bfd_link_hash_defined: | |
2707 | case bfd_link_hash_defweak: | |
2708 | save_global_to_static = finfo->global_to_static; | |
b34976b6 | 2709 | finfo->global_to_static = TRUE; |
252b5132 RH |
2710 | rtnval = _bfd_coff_write_global_sym (h, data); |
2711 | finfo->global_to_static = save_global_to_static; | |
2712 | break; | |
2713 | default: | |
2714 | break; | |
2715 | } | |
2716 | } | |
2717 | return (rtnval); | |
2718 | } | |
2719 | ||
2720 | /* Handle a link order which is supposed to generate a reloc. */ | |
2721 | ||
b34976b6 | 2722 | bfd_boolean |
8b956130 NC |
2723 | _bfd_coff_reloc_link_order (bfd *output_bfd, |
2724 | struct coff_final_link_info *finfo, | |
2725 | asection *output_section, | |
2726 | struct bfd_link_order *link_order) | |
252b5132 RH |
2727 | { |
2728 | reloc_howto_type *howto; | |
2729 | struct internal_reloc *irel; | |
2730 | struct coff_link_hash_entry **rel_hash_ptr; | |
2731 | ||
2732 | howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); | |
2733 | if (howto == NULL) | |
2734 | { | |
2735 | bfd_set_error (bfd_error_bad_value); | |
b34976b6 | 2736 | return FALSE; |
252b5132 RH |
2737 | } |
2738 | ||
2739 | if (link_order->u.reloc.p->addend != 0) | |
2740 | { | |
2741 | bfd_size_type size; | |
2742 | bfd_byte *buf; | |
2743 | bfd_reloc_status_type rstat; | |
b34976b6 | 2744 | bfd_boolean ok; |
dc810e39 | 2745 | file_ptr loc; |
252b5132 RH |
2746 | |
2747 | size = bfd_get_reloc_size (howto); | |
a50b1753 | 2748 | buf = (bfd_byte *) bfd_zmalloc (size); |
252b5132 | 2749 | if (buf == NULL) |
b34976b6 | 2750 | return FALSE; |
252b5132 RH |
2751 | |
2752 | rstat = _bfd_relocate_contents (howto, output_bfd, | |
dc810e39 AM |
2753 | (bfd_vma) link_order->u.reloc.p->addend,\ |
2754 | buf); | |
252b5132 RH |
2755 | switch (rstat) |
2756 | { | |
2757 | case bfd_reloc_ok: | |
2758 | break; | |
2759 | default: | |
2760 | case bfd_reloc_outofrange: | |
2761 | abort (); | |
2762 | case bfd_reloc_overflow: | |
2763 | if (! ((*finfo->info->callbacks->reloc_overflow) | |
dfeffb9f | 2764 | (finfo->info, NULL, |
252b5132 RH |
2765 | (link_order->type == bfd_section_reloc_link_order |
2766 | ? bfd_section_name (output_bfd, | |
2767 | link_order->u.reloc.p->u.section) | |
2768 | : link_order->u.reloc.p->u.name), | |
2769 | howto->name, link_order->u.reloc.p->addend, | |
2770 | (bfd *) NULL, (asection *) NULL, (bfd_vma) 0))) | |
2771 | { | |
2772 | free (buf); | |
b34976b6 | 2773 | return FALSE; |
252b5132 RH |
2774 | } |
2775 | break; | |
2776 | } | |
dc810e39 | 2777 | loc = link_order->offset * bfd_octets_per_byte (output_bfd); |
8b956130 | 2778 | ok = bfd_set_section_contents (output_bfd, output_section, buf, |
dc810e39 | 2779 | loc, size); |
252b5132 RH |
2780 | free (buf); |
2781 | if (! ok) | |
b34976b6 | 2782 | return FALSE; |
252b5132 RH |
2783 | } |
2784 | ||
2785 | /* Store the reloc information in the right place. It will get | |
2786 | swapped and written out at the end of the final_link routine. */ | |
252b5132 RH |
2787 | irel = (finfo->section_info[output_section->target_index].relocs |
2788 | + output_section->reloc_count); | |
2789 | rel_hash_ptr = (finfo->section_info[output_section->target_index].rel_hashes | |
2790 | + output_section->reloc_count); | |
2791 | ||
2792 | memset (irel, 0, sizeof (struct internal_reloc)); | |
2793 | *rel_hash_ptr = NULL; | |
2794 | ||
2795 | irel->r_vaddr = output_section->vma + link_order->offset; | |
2796 | ||
2797 | if (link_order->type == bfd_section_reloc_link_order) | |
2798 | { | |
2799 | /* We need to somehow locate a symbol in the right section. The | |
2800 | symbol must either have a value of zero, or we must adjust | |
2801 | the addend by the value of the symbol. FIXME: Write this | |
2802 | when we need it. The old linker couldn't handle this anyhow. */ | |
2803 | abort (); | |
2804 | *rel_hash_ptr = NULL; | |
2805 | irel->r_symndx = 0; | |
2806 | } | |
2807 | else | |
2808 | { | |
2809 | struct coff_link_hash_entry *h; | |
2810 | ||
2811 | h = ((struct coff_link_hash_entry *) | |
2812 | bfd_wrapped_link_hash_lookup (output_bfd, finfo->info, | |
2813 | link_order->u.reloc.p->u.name, | |
b34976b6 | 2814 | FALSE, FALSE, TRUE)); |
252b5132 RH |
2815 | if (h != NULL) |
2816 | { | |
2817 | if (h->indx >= 0) | |
2818 | irel->r_symndx = h->indx; | |
2819 | else | |
2820 | { | |
2821 | /* Set the index to -2 to force this symbol to get | |
2822 | written out. */ | |
2823 | h->indx = -2; | |
2824 | *rel_hash_ptr = h; | |
2825 | irel->r_symndx = 0; | |
2826 | } | |
2827 | } | |
2828 | else | |
2829 | { | |
2830 | if (! ((*finfo->info->callbacks->unattached_reloc) | |
2831 | (finfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL, | |
2832 | (asection *) NULL, (bfd_vma) 0))) | |
b34976b6 | 2833 | return FALSE; |
252b5132 RH |
2834 | irel->r_symndx = 0; |
2835 | } | |
2836 | } | |
2837 | ||
2838 | /* FIXME: Is this always right? */ | |
2839 | irel->r_type = howto->type; | |
2840 | ||
2841 | /* r_size is only used on the RS/6000, which needs its own linker | |
2842 | routines anyhow. r_extern is only used for ECOFF. */ | |
2843 | ||
2844 | /* FIXME: What is the right value for r_offset? Is zero OK? */ | |
252b5132 RH |
2845 | ++output_section->reloc_count; |
2846 | ||
b34976b6 | 2847 | return TRUE; |
252b5132 RH |
2848 | } |
2849 | ||
2850 | /* A basic reloc handling routine which may be used by processors with | |
2851 | simple relocs. */ | |
2852 | ||
b34976b6 | 2853 | bfd_boolean |
8b956130 NC |
2854 | _bfd_coff_generic_relocate_section (bfd *output_bfd, |
2855 | struct bfd_link_info *info, | |
2856 | bfd *input_bfd, | |
2857 | asection *input_section, | |
2858 | bfd_byte *contents, | |
2859 | struct internal_reloc *relocs, | |
2860 | struct internal_syment *syms, | |
2861 | asection **sections) | |
252b5132 RH |
2862 | { |
2863 | struct internal_reloc *rel; | |
2864 | struct internal_reloc *relend; | |
2865 | ||
2866 | rel = relocs; | |
2867 | relend = rel + input_section->reloc_count; | |
2868 | for (; rel < relend; rel++) | |
2869 | { | |
2870 | long symndx; | |
2871 | struct coff_link_hash_entry *h; | |
2872 | struct internal_syment *sym; | |
2873 | bfd_vma addend; | |
2874 | bfd_vma val; | |
2875 | reloc_howto_type *howto; | |
2876 | bfd_reloc_status_type rstat; | |
2877 | ||
2878 | symndx = rel->r_symndx; | |
2879 | ||
2880 | if (symndx == -1) | |
2881 | { | |
2882 | h = NULL; | |
2883 | sym = NULL; | |
2884 | } | |
75987f83 ILT |
2885 | else if (symndx < 0 |
2886 | || (unsigned long) symndx >= obj_raw_syment_count (input_bfd)) | |
2887 | { | |
2888 | (*_bfd_error_handler) | |
d003868e | 2889 | ("%B: illegal symbol index %ld in relocs", input_bfd, symndx); |
b34976b6 | 2890 | return FALSE; |
75987f83 | 2891 | } |
252b5132 | 2892 | else |
244148ad | 2893 | { |
252b5132 RH |
2894 | h = obj_coff_sym_hashes (input_bfd)[symndx]; |
2895 | sym = syms + symndx; | |
2896 | } | |
2897 | ||
2898 | /* COFF treats common symbols in one of two ways. Either the | |
2899 | size of the symbol is included in the section contents, or it | |
2900 | is not. We assume that the size is not included, and force | |
2901 | the rtype_to_howto function to adjust the addend as needed. */ | |
252b5132 RH |
2902 | if (sym != NULL && sym->n_scnum != 0) |
2903 | addend = - sym->n_value; | |
2904 | else | |
2905 | addend = 0; | |
2906 | ||
252b5132 RH |
2907 | howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h, |
2908 | sym, &addend); | |
2909 | if (howto == NULL) | |
b34976b6 | 2910 | return FALSE; |
252b5132 | 2911 | |
1049f94e | 2912 | /* If we are doing a relocatable link, then we can just ignore |
252b5132 | 2913 | a PC relative reloc that is pcrel_offset. It will already |
1049f94e | 2914 | have the correct value. If this is not a relocatable link, |
252b5132 RH |
2915 | then we should ignore the symbol value. */ |
2916 | if (howto->pc_relative && howto->pcrel_offset) | |
2917 | { | |
1049f94e | 2918 | if (info->relocatable) |
252b5132 RH |
2919 | continue; |
2920 | if (sym != NULL && sym->n_scnum != 0) | |
2921 | addend += sym->n_value; | |
2922 | } | |
2923 | ||
2924 | val = 0; | |
2925 | ||
2926 | if (h == NULL) | |
2927 | { | |
2928 | asection *sec; | |
2929 | ||
2930 | if (symndx == -1) | |
2931 | { | |
2932 | sec = bfd_abs_section_ptr; | |
2933 | val = 0; | |
2934 | } | |
2935 | else | |
2936 | { | |
2937 | sec = sections[symndx]; | |
2938 | val = (sec->output_section->vma | |
2939 | + sec->output_offset | |
2940 | + sym->n_value); | |
2941 | if (! obj_pe (input_bfd)) | |
2942 | val -= sec->vma; | |
2943 | } | |
2944 | } | |
2945 | else | |
2946 | { | |
2947 | if (h->root.type == bfd_link_hash_defined | |
2948 | || h->root.type == bfd_link_hash_defweak) | |
2949 | { | |
c87db184 | 2950 | /* Defined weak symbols are a GNU extension. */ |
252b5132 RH |
2951 | asection *sec; |
2952 | ||
2953 | sec = h->root.u.def.section; | |
2954 | val = (h->root.u.def.value | |
2955 | + sec->output_section->vma | |
2956 | + sec->output_offset); | |
c87db184 | 2957 | } |
252b5132 | 2958 | |
bc7a577d | 2959 | else if (h->root.type == bfd_link_hash_undefweak) |
c87db184 | 2960 | { |
96d56e9f | 2961 | if (h->symbol_class == C_NT_WEAK && h->numaux == 1) |
c87db184 CF |
2962 | { |
2963 | /* See _Microsoft Portable Executable and Common Object | |
0c429e07 NC |
2964 | File Format Specification_, section 5.5.3. |
2965 | Note that weak symbols without aux records are a GNU | |
2966 | extension. | |
2967 | FIXME: All weak externals are treated as having | |
27198fa9 DS |
2968 | characteristic IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY (1). |
2969 | These behave as per SVR4 ABI: A library member | |
2970 | will resolve a weak external only if a normal | |
2971 | external causes the library member to be linked. | |
2972 | See also linker.c: generic_link_check_archive_element. */ | |
c87db184 CF |
2973 | asection *sec; |
2974 | struct coff_link_hash_entry *h2 = | |
eb503a00 | 2975 | h->auxbfd->tdata.coff_obj_data->sym_hashes[ |
c87db184 CF |
2976 | h->aux->x_sym.x_tagndx.l]; |
2977 | ||
0c429e07 NC |
2978 | if (!h2 || h2->root.type == bfd_link_hash_undefined) |
2979 | { | |
2980 | sec = bfd_abs_section_ptr; | |
2981 | val = 0; | |
2982 | } | |
2983 | else | |
2984 | { | |
2985 | sec = h2->root.u.def.section; | |
2986 | val = h2->root.u.def.value | |
2987 | + sec->output_section->vma + sec->output_offset; | |
2988 | } | |
c87db184 CF |
2989 | } |
2990 | else | |
0c429e07 | 2991 | /* This is a GNU extension. */ |
c87db184 CF |
2992 | val = 0; |
2993 | } | |
bc7a577d | 2994 | |
1049f94e | 2995 | else if (! info->relocatable) |
252b5132 RH |
2996 | { |
2997 | if (! ((*info->callbacks->undefined_symbol) | |
2998 | (info, h->root.root.string, input_bfd, input_section, | |
b34976b6 AM |
2999 | rel->r_vaddr - input_section->vma, TRUE))) |
3000 | return FALSE; | |
252b5132 RH |
3001 | } |
3002 | } | |
3003 | ||
3004 | if (info->base_file) | |
3005 | { | |
244148ad | 3006 | /* Emit a reloc if the backend thinks it needs it. */ |
252b5132 RH |
3007 | if (sym && pe_data (output_bfd)->in_reloc_p (output_bfd, howto)) |
3008 | { | |
3009 | /* Relocation to a symbol in a section which isn't | |
3010 | absolute. We output the address here to a file. | |
3011 | This file is then read by dlltool when generating the | |
3012 | reloc section. Note that the base file is not | |
d078078d KT |
3013 | portable between systems. We write out a bfd_vma here, |
3014 | and dlltool reads in a bfd_vma. */ | |
3015 | bfd_vma addr = (rel->r_vaddr | |
244148ad KH |
3016 | - input_section->vma |
3017 | + input_section->output_offset | |
252b5132 RH |
3018 | + input_section->output_section->vma); |
3019 | if (coff_data (output_bfd)->pe) | |
3020 | addr -= pe_data(output_bfd)->pe_opthdr.ImageBase; | |
d078078d KT |
3021 | if (fwrite (&addr, 1, sizeof (bfd_vma), (FILE *) info->base_file) |
3022 | != sizeof (bfd_vma)) | |
252b5132 RH |
3023 | { |
3024 | bfd_set_error (bfd_error_system_call); | |
b34976b6 | 3025 | return FALSE; |
252b5132 RH |
3026 | } |
3027 | } | |
3028 | } | |
244148ad | 3029 | |
252b5132 RH |
3030 | rstat = _bfd_final_link_relocate (howto, input_bfd, input_section, |
3031 | contents, | |
3032 | rel->r_vaddr - input_section->vma, | |
3033 | val, addend); | |
3034 | ||
3035 | switch (rstat) | |
3036 | { | |
3037 | default: | |
3038 | abort (); | |
3039 | case bfd_reloc_ok: | |
3040 | break; | |
3041 | case bfd_reloc_outofrange: | |
3042 | (*_bfd_error_handler) | |
d003868e AM |
3043 | (_("%B: bad reloc address 0x%lx in section `%A'"), |
3044 | input_bfd, input_section, (unsigned long) rel->r_vaddr); | |
b34976b6 | 3045 | return FALSE; |
252b5132 RH |
3046 | case bfd_reloc_overflow: |
3047 | { | |
3048 | const char *name; | |
3049 | char buf[SYMNMLEN + 1]; | |
3050 | ||
3051 | if (symndx == -1) | |
3052 | name = "*ABS*"; | |
3053 | else if (h != NULL) | |
dfeffb9f | 3054 | name = NULL; |
252b5132 RH |
3055 | else |
3056 | { | |
3057 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); | |
3058 | if (name == NULL) | |
b34976b6 | 3059 | return FALSE; |
252b5132 RH |
3060 | } |
3061 | ||
3062 | if (! ((*info->callbacks->reloc_overflow) | |
dfeffb9f L |
3063 | (info, (h ? &h->root : NULL), name, howto->name, |
3064 | (bfd_vma) 0, input_bfd, input_section, | |
3065 | rel->r_vaddr - input_section->vma))) | |
b34976b6 | 3066 | return FALSE; |
252b5132 RH |
3067 | } |
3068 | } | |
3069 | } | |
b34976b6 | 3070 | return TRUE; |
252b5132 | 3071 | } |