Commit | Line | Data |
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252b5132 | 1 | /* BFD back-end data structures for ELF files. |
e5094212 | 2 | Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
64d03ab5 | 3 | 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Cygnus Support. |
5 | ||
5e8d7549 | 6 | This file is part of BFD, the Binary File Descriptor library. |
252b5132 | 7 | |
5e8d7549 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 | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
252b5132 | 12 | |
5e8d7549 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 | |
5e8d7549 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 | |
3e110533 | 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
21 | |
22 | #ifndef _LIBELF_H_ | |
23 | #define _LIBELF_H_ 1 | |
24 | ||
25 | #include "elf/common.h" | |
26 | #include "elf/internal.h" | |
27 | #include "elf/external.h" | |
28 | #include "bfdlink.h" | |
29 | ||
d9bc7a44 | 30 | /* The number of entries in a section is its size divided by the size |
51b64d56 | 31 | of a single entry. This is normally only applicable to reloc and |
d9bc7a44 NC |
32 | symbol table sections. */ |
33 | #define NUM_SHDR_ENTRIES(shdr) ((shdr)->sh_size / (shdr)->sh_entsize) | |
34 | ||
252b5132 RH |
35 | /* If size isn't specified as 64 or 32, NAME macro should fail. */ |
36 | #ifndef NAME | |
c39a58e6 AM |
37 | #if ARCH_SIZE == 64 |
38 | #define NAME(x, y) x ## 64 ## _ ## y | |
252b5132 | 39 | #endif |
c39a58e6 AM |
40 | #if ARCH_SIZE == 32 |
41 | #define NAME(x, y) x ## 32 ## _ ## y | |
252b5132 RH |
42 | #endif |
43 | #endif | |
44 | ||
45 | #ifndef NAME | |
c39a58e6 | 46 | #define NAME(x, y) x ## NOSIZE ## _ ## y |
252b5132 RH |
47 | #endif |
48 | ||
49 | #define ElfNAME(X) NAME(Elf,X) | |
50 | #define elfNAME(X) NAME(elf,X) | |
51 | ||
52 | /* Information held for an ELF symbol. The first field is the | |
53 | corresponding asymbol. Every symbol is an ELF file is actually a | |
54 | pointer to this structure, although it is often handled as a | |
55 | pointer to an asymbol. */ | |
56 | ||
57 | typedef struct | |
58 | { | |
59 | /* The BFD symbol. */ | |
60 | asymbol symbol; | |
61 | /* ELF symbol information. */ | |
62 | Elf_Internal_Sym internal_elf_sym; | |
63 | /* Backend specific information. */ | |
64 | union | |
65 | { | |
66 | unsigned int hppa_arg_reloc; | |
c39a58e6 AM |
67 | void *mips_extr; |
68 | void *any; | |
252b5132 RH |
69 | } |
70 | tc_data; | |
71 | ||
72 | /* Version information. This is from an Elf_Internal_Versym | |
73 | structure in a SHT_GNU_versym section. It is zero if there is no | |
74 | version information. */ | |
75 | unsigned short version; | |
76 | ||
77 | } elf_symbol_type; | |
78 | \f | |
2b0f7ef9 | 79 | struct elf_strtab_hash; |
5cab59f6 AM |
80 | struct got_entry; |
81 | struct plt_entry; | |
2b0f7ef9 | 82 | |
252b5132 RH |
83 | /* ELF linker hash table entries. */ |
84 | ||
85 | struct elf_link_hash_entry | |
86 | { | |
87 | struct bfd_link_hash_entry root; | |
88 | ||
89 | /* Symbol index in output file. This is initialized to -1. It is | |
90 | set to -2 if the symbol is used by a reloc. */ | |
91 | long indx; | |
92 | ||
252b5132 RH |
93 | /* Symbol index as a dynamic symbol. Initialized to -1, and remains |
94 | -1 if this is not a dynamic symbol. */ | |
30b30c21 RH |
95 | /* ??? Note that this is consistently used as a synonym for tests |
96 | against whether we can perform various simplifying transformations | |
97 | to the code. (E.g. changing a pc-relative jump to a PLT entry | |
98 | into a pc-relative jump to the target function.) That test, which | |
99 | is often relatively complex, and someplaces wrong or incomplete, | |
100 | should really be replaced by a predicate in elflink.c. | |
101 | ||
102 | End result: this field -1 does not indicate that the symbol is | |
103 | not in the dynamic symbol table, but rather that the symbol is | |
104 | not visible outside this DSO. */ | |
252b5132 RH |
105 | long dynindx; |
106 | ||
a90b9fca AM |
107 | /* If this symbol requires an entry in the global offset table, the |
108 | processor specific backend uses this field to track usage and | |
5cab59f6 AM |
109 | final offset. Two schemes are supported: The first assumes that |
110 | a symbol may only have one GOT entry, and uses REFCOUNT until | |
111 | size_dynamic_sections, at which point the contents of the .got is | |
112 | fixed. Afterward, if OFFSET is -1, then the symbol does not | |
113 | require a global offset table entry. The second scheme allows | |
114 | multiple GOT entries per symbol, managed via a linked list | |
115 | pointed to by GLIST. */ | |
116 | union gotplt_union | |
a90b9fca AM |
117 | { |
118 | bfd_signed_vma refcount; | |
119 | bfd_vma offset; | |
5cab59f6 AM |
120 | struct got_entry *glist; |
121 | struct plt_entry *plist; | |
a90b9fca AM |
122 | } got; |
123 | ||
124 | /* Same, but tracks a procedure linkage table entry. */ | |
5cab59f6 | 125 | union gotplt_union plt; |
a90b9fca AM |
126 | |
127 | /* Symbol size. */ | |
128 | bfd_size_type size; | |
129 | ||
252b5132 | 130 | /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */ |
f5385ebf | 131 | unsigned int type : 8; |
252b5132 | 132 | |
9b234ee9 | 133 | /* Symbol st_other value, symbol visibility. */ |
f5385ebf | 134 | unsigned int other : 8; |
252b5132 | 135 | |
252b5132 | 136 | /* Symbol is referenced by a non-shared object. */ |
f5385ebf | 137 | unsigned int ref_regular : 1; |
252b5132 | 138 | /* Symbol is defined by a non-shared object. */ |
f5385ebf | 139 | unsigned int def_regular : 1; |
252b5132 | 140 | /* Symbol is referenced by a shared object. */ |
f5385ebf | 141 | unsigned int ref_dynamic : 1; |
252b5132 | 142 | /* Symbol is defined by a shared object. */ |
f5385ebf | 143 | unsigned int def_dynamic : 1; |
252b5132 | 144 | /* Symbol has a non-weak reference from a non-shared object. */ |
f5385ebf | 145 | unsigned int ref_regular_nonweak : 1; |
252b5132 | 146 | /* Dynamic symbol has been adjustd. */ |
f5385ebf | 147 | unsigned int dynamic_adjusted : 1; |
252b5132 | 148 | /* Symbol needs a copy reloc. */ |
f5385ebf | 149 | unsigned int needs_copy : 1; |
252b5132 | 150 | /* Symbol needs a procedure linkage table entry. */ |
f5385ebf | 151 | unsigned int needs_plt : 1; |
252b5132 | 152 | /* Symbol appears in a non-ELF input file. */ |
f5385ebf | 153 | unsigned int non_elf : 1; |
252b5132 | 154 | /* Symbol should be marked as hidden in the version information. */ |
f5385ebf | 155 | unsigned int hidden : 1; |
252b5132 | 156 | /* Symbol was forced to local scope due to a version script file. */ |
f5385ebf | 157 | unsigned int forced_local : 1; |
55255dae L |
158 | /* Symbol was forced to be dynamic due to a version script file. */ |
159 | unsigned int dynamic : 1; | |
252b5132 | 160 | /* Symbol was marked during garbage collection. */ |
f5385ebf | 161 | unsigned int mark : 1; |
7843f00e ILT |
162 | /* Symbol is referenced by a non-GOT/non-PLT relocation. This is |
163 | not currently set by all the backends. */ | |
f5385ebf | 164 | unsigned int non_got_ref : 1; |
f6e332e6 AM |
165 | /* Symbol has a definition in a shared object. |
166 | FIXME: There is no real need for this field if def_dynamic is never | |
167 | cleared and all places that test def_dynamic also test def_regular. */ | |
f5385ebf | 168 | unsigned int dynamic_def : 1; |
1b1fe8fe | 169 | /* Symbol is weak in all shared objects. */ |
f5385ebf | 170 | unsigned int dynamic_weak : 1; |
c6585bbb JJ |
171 | /* Symbol is referenced with a relocation where C/C++ pointer equality |
172 | matters. */ | |
f5385ebf | 173 | unsigned int pointer_equality_needed : 1; |
f6e332e6 AM |
174 | |
175 | /* String table index in .dynstr if this is a dynamic symbol. */ | |
176 | unsigned long dynstr_index; | |
177 | ||
178 | union | |
179 | { | |
180 | /* If this is a weak defined symbol from a dynamic object, this | |
181 | field points to a defined symbol with the same value, if there is | |
182 | one. Otherwise it is NULL. */ | |
183 | struct elf_link_hash_entry *weakdef; | |
184 | ||
185 | /* Hash value of the name computed using the ELF hash function. | |
186 | Used part way through size_dynamic_sections, after we've finished | |
187 | with weakdefs. */ | |
188 | unsigned long elf_hash_value; | |
189 | } u; | |
190 | ||
191 | /* Version information. */ | |
192 | union | |
193 | { | |
194 | /* This field is used for a symbol which is not defined in a | |
195 | regular object. It points to the version information read in | |
196 | from the dynamic object. */ | |
197 | Elf_Internal_Verdef *verdef; | |
198 | /* This field is used for a symbol which is defined in a regular | |
199 | object. It is set up in size_dynamic_sections. It points to | |
200 | the version information we should write out for this symbol. */ | |
201 | struct bfd_elf_version_tree *vertree; | |
202 | } verinfo; | |
203 | ||
204 | struct | |
205 | { | |
206 | /* Virtual table entry use information. This array is nominally of size | |
207 | size/sizeof(target_void_pointer), though we have to be able to assume | |
208 | and track a size while the symbol is still undefined. It is indexed | |
209 | via offset/sizeof(target_void_pointer). */ | |
210 | size_t size; | |
211 | bfd_boolean *used; | |
212 | ||
213 | /* Virtual table derivation info. */ | |
214 | struct elf_link_hash_entry *parent; | |
215 | } *vtable; | |
252b5132 RH |
216 | }; |
217 | ||
586119b3 AM |
218 | /* Will references to this symbol always reference the symbol |
219 | in this object? STV_PROTECTED is excluded from the visibility test | |
220 | here so that function pointer comparisons work properly. Since | |
221 | function symbols not defined in an app are set to their .plt entry, | |
222 | it's necessary for shared libs to also reference the .plt even | |
223 | though the symbol is really local to the shared lib. */ | |
986a241f | 224 | #define SYMBOL_REFERENCES_LOCAL(INFO, H) \ |
f6c52c13 | 225 | _bfd_elf_symbol_refs_local_p (H, INFO, 0) |
586119b3 AM |
226 | |
227 | /* Will _calls_ to this symbol always call the version in this object? */ | |
986a241f | 228 | #define SYMBOL_CALLS_LOCAL(INFO, H) \ |
f6c52c13 | 229 | _bfd_elf_symbol_refs_local_p (H, INFO, 1) |
586119b3 | 230 | |
7e2294f9 AO |
231 | /* Common symbols that are turned into definitions don't have the |
232 | DEF_REGULAR flag set, so they might appear to be undefined. */ | |
233 | #define ELF_COMMON_DEF_P(H) \ | |
f5385ebf AM |
234 | (!(H)->def_regular \ |
235 | && !(H)->def_dynamic \ | |
7e2294f9 AO |
236 | && (H)->root.type == bfd_link_hash_defined) |
237 | ||
30b30c21 RH |
238 | /* Records local symbols to be emitted in the dynamic symbol table. */ |
239 | ||
240 | struct elf_link_local_dynamic_entry | |
241 | { | |
242 | struct elf_link_local_dynamic_entry *next; | |
243 | ||
244 | /* The input bfd this symbol came from. */ | |
245 | bfd *input_bfd; | |
246 | ||
247 | /* The index of the local symbol being copied. */ | |
248 | long input_indx; | |
249 | ||
250 | /* The index in the outgoing dynamic symbol table. */ | |
251 | long dynindx; | |
3e932841 | 252 | |
30b30c21 RH |
253 | /* A copy of the input symbol. */ |
254 | Elf_Internal_Sym isym; | |
255 | }; | |
256 | ||
f5d44ba0 AM |
257 | struct elf_link_loaded_list |
258 | { | |
259 | struct elf_link_loaded_list *next; | |
260 | bfd *abfd; | |
261 | }; | |
262 | ||
126495ed AM |
263 | /* Structures used by the eh_frame optimization code. */ |
264 | struct cie_header | |
265 | { | |
266 | unsigned int length; | |
267 | unsigned int id; | |
268 | }; | |
269 | ||
270 | struct cie | |
271 | { | |
272 | struct cie_header hdr; | |
273 | unsigned char version; | |
f075ee0c | 274 | char augmentation[20]; |
2c42be65 RS |
275 | bfd_vma code_align; |
276 | bfd_signed_vma data_align; | |
277 | bfd_vma ra_column; | |
278 | bfd_vma augmentation_size; | |
126495ed AM |
279 | struct elf_link_hash_entry *personality; |
280 | unsigned char per_encoding; | |
281 | unsigned char lsda_encoding; | |
282 | unsigned char fde_encoding; | |
283 | unsigned char initial_insn_length; | |
284 | unsigned char make_relative; | |
285 | unsigned char make_lsda_relative; | |
286 | unsigned char initial_instructions[50]; | |
287 | }; | |
288 | ||
289 | struct eh_cie_fde | |
290 | { | |
fda3ecf2 AM |
291 | /* For FDEs, this points to the CIE used. */ |
292 | struct eh_cie_fde *cie_inf; | |
126495ed | 293 | unsigned int size; |
fda3ecf2 | 294 | unsigned int offset; |
126495ed AM |
295 | unsigned int new_offset; |
296 | unsigned char fde_encoding; | |
297 | unsigned char lsda_encoding; | |
298 | unsigned char lsda_offset; | |
822392ce DJ |
299 | unsigned int cie : 1; |
300 | unsigned int removed : 1; | |
353057a5 RS |
301 | unsigned int add_augmentation_size : 1; |
302 | unsigned int add_fde_encoding : 1; | |
822392ce DJ |
303 | unsigned int make_relative : 1; |
304 | unsigned int make_lsda_relative : 1; | |
8935b81f | 305 | unsigned int need_lsda_relative : 1; |
822392ce | 306 | unsigned int per_encoding_relative : 1; |
ac685e6a | 307 | unsigned int *set_loc; |
126495ed AM |
308 | }; |
309 | ||
310 | struct eh_frame_sec_info | |
311 | { | |
312 | unsigned int count; | |
313 | unsigned int alloced; | |
314 | struct eh_cie_fde entry[1]; | |
315 | }; | |
316 | ||
317 | struct eh_frame_array_ent | |
318 | { | |
319 | bfd_vma initial_loc; | |
320 | bfd_vma fde; | |
321 | }; | |
322 | ||
323 | struct eh_frame_hdr_info | |
324 | { | |
325 | struct cie last_cie; | |
326 | asection *last_cie_sec; | |
fda3ecf2 | 327 | struct eh_cie_fde *last_cie_inf; |
126495ed | 328 | asection *hdr_sec; |
126495ed AM |
329 | unsigned int fde_count, array_count; |
330 | struct eh_frame_array_ent *array; | |
331 | /* TRUE if .eh_frame_hdr should contain the sorted search table. | |
332 | We build it if we successfully read all .eh_frame input sections | |
333 | and recognize them. */ | |
b34976b6 | 334 | bfd_boolean table; |
3472e2e9 | 335 | bfd_boolean offsets_adjusted; |
126495ed AM |
336 | }; |
337 | ||
252b5132 RH |
338 | /* ELF linker hash table. */ |
339 | ||
340 | struct elf_link_hash_table | |
341 | { | |
342 | struct bfd_link_hash_table root; | |
51b64d56 | 343 | |
252b5132 RH |
344 | /* Whether we have created the special dynamic sections required |
345 | when linking against or generating a shared object. */ | |
b34976b6 | 346 | bfd_boolean dynamic_sections_created; |
51b64d56 | 347 | |
74541ad4 AM |
348 | /* True if this target has relocatable executables, so needs dynamic |
349 | section symbols. */ | |
350 | bfd_boolean is_relocatable_executable; | |
351 | ||
252b5132 RH |
352 | /* The BFD used to hold special sections created by the linker. |
353 | This will be the first BFD found which requires these sections to | |
354 | be created. */ | |
355 | bfd *dynobj; | |
51b64d56 AM |
356 | |
357 | /* The value to use when initialising got.refcount/offset and | |
358 | plt.refcount/offset in an elf_link_hash_entry. Set to zero when | |
a6aa5195 AM |
359 | the values are refcounts. Set to init_got_offset/init_plt_offset |
360 | in size_dynamic_sections when the values may be offsets. */ | |
361 | union gotplt_union init_got_refcount; | |
362 | union gotplt_union init_plt_refcount; | |
5cab59f6 AM |
363 | |
364 | /* The value to use for got.refcount/offset and plt.refcount/offset | |
365 | when the values may be offsets. Normally (bfd_vma) -1. */ | |
a6aa5195 AM |
366 | union gotplt_union init_got_offset; |
367 | union gotplt_union init_plt_offset; | |
51b64d56 | 368 | |
252b5132 RH |
369 | /* The number of symbols found in the link which must be put into |
370 | the .dynsym section. */ | |
371 | bfd_size_type dynsymcount; | |
51b64d56 | 372 | |
252b5132 RH |
373 | /* The string table of dynamic symbols, which becomes the .dynstr |
374 | section. */ | |
2b0f7ef9 | 375 | struct elf_strtab_hash *dynstr; |
51b64d56 | 376 | |
252b5132 RH |
377 | /* The number of buckets in the hash table in the .hash section. |
378 | This is based on the number of dynamic symbols. */ | |
379 | bfd_size_type bucketcount; | |
51b64d56 | 380 | |
252b5132 RH |
381 | /* A linked list of DT_NEEDED names found in dynamic objects |
382 | included in the link. */ | |
383 | struct bfd_link_needed_list *needed; | |
51b64d56 | 384 | |
74541ad4 AM |
385 | /* Sections in the output bfd that provides a section symbol |
386 | to be used by relocations emitted against local symbols. | |
387 | Most targets will not use data_index_section. */ | |
388 | asection *text_index_section; | |
389 | asection *data_index_section; | |
390 | ||
252b5132 RH |
391 | /* The _GLOBAL_OFFSET_TABLE_ symbol. */ |
392 | struct elf_link_hash_entry *hgot; | |
51b64d56 | 393 | |
7325306f RS |
394 | /* The _PROCEDURE_LINKAGE_TABLE_ symbol. */ |
395 | struct elf_link_hash_entry *hplt; | |
396 | ||
f5fa8ca2 | 397 | /* A pointer to information used to merge SEC_MERGE sections. */ |
c39a58e6 | 398 | void *merge_info; |
51b64d56 | 399 | |
3722b82f AM |
400 | /* Used to link stabs in sections. */ |
401 | struct stab_info stab_info; | |
402 | ||
126495ed AM |
403 | /* Used by eh_frame code when editing .eh_frame. */ |
404 | struct eh_frame_hdr_info eh_info; | |
405 | ||
30b30c21 RH |
406 | /* A linked list of local symbols to be added to .dynsym. */ |
407 | struct elf_link_local_dynamic_entry *dynlocal; | |
51b64d56 | 408 | |
a963dc6a L |
409 | /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic |
410 | objects included in the link. */ | |
411 | struct bfd_link_needed_list *runpath; | |
13ae64f3 | 412 | |
e1918d23 AM |
413 | /* Cached first output tls section and size of PT_TLS segment. */ |
414 | asection *tls_sec; | |
415 | bfd_size_type tls_size; | |
f5d44ba0 AM |
416 | |
417 | /* A linked list of BFD's loaded in the link. */ | |
418 | struct elf_link_loaded_list *loaded; | |
252b5132 RH |
419 | }; |
420 | ||
421 | /* Look up an entry in an ELF linker hash table. */ | |
422 | ||
423 | #define elf_link_hash_lookup(table, string, create, copy, follow) \ | |
424 | ((struct elf_link_hash_entry *) \ | |
425 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
426 | (copy), (follow))) | |
427 | ||
428 | /* Traverse an ELF linker hash table. */ | |
429 | ||
430 | #define elf_link_hash_traverse(table, func, info) \ | |
431 | (bfd_link_hash_traverse \ | |
432 | (&(table)->root, \ | |
c39a58e6 | 433 | (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (func), \ |
252b5132 RH |
434 | (info))) |
435 | ||
436 | /* Get the ELF linker hash table from a link_info structure. */ | |
437 | ||
438 | #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash)) | |
8ea2e4bd | 439 | |
b34976b6 | 440 | /* Returns TRUE if the hash table is a struct elf_link_hash_table. */ |
0eddce27 AM |
441 | #define is_elf_hash_table(htab) \ |
442 | (((struct bfd_link_hash_table *) (htab))->type == bfd_link_elf_hash_table) | |
ec338859 AM |
443 | |
444 | /* Used by bfd_section_from_r_symndx to cache a small number of local | |
445 | symbol to section mappings. */ | |
446 | #define LOCAL_SYM_CACHE_SIZE 32 | |
447 | struct sym_sec_cache | |
448 | { | |
449 | bfd *abfd; | |
450 | unsigned long indx[LOCAL_SYM_CACHE_SIZE]; | |
451 | asection *sec[LOCAL_SYM_CACHE_SIZE]; | |
452 | }; | |
252b5132 RH |
453 | \f |
454 | /* Constant information held for an ELF backend. */ | |
455 | ||
456 | struct elf_size_info { | |
457 | unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr; | |
458 | unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note; | |
459 | ||
c7ac6ff8 MM |
460 | /* The size of entries in the .hash section. */ |
461 | unsigned char sizeof_hash_entry; | |
462 | ||
463 | /* The number of internal relocations to allocate per external | |
464 | relocation entry. */ | |
465 | unsigned char int_rels_per_ext_rel; | |
947216bf AM |
466 | /* We use some fixed size arrays. This should be large enough to |
467 | handle all back-ends. */ | |
468 | #define MAX_INT_RELS_PER_EXT_REL 3 | |
c7ac6ff8 | 469 | |
45d6a902 | 470 | unsigned char arch_size, log_file_align; |
252b5132 | 471 | unsigned char elfclass, ev_current; |
dc810e39 | 472 | int (*write_out_phdrs) |
c39a58e6 AM |
473 | (bfd *, const Elf_Internal_Phdr *, unsigned int); |
474 | bfd_boolean | |
475 | (*write_shdrs_and_ehdr) (bfd *); | |
dc810e39 | 476 | void (*write_relocs) |
c39a58e6 | 477 | (bfd *, asection *, void *); |
8384fb8f | 478 | bfd_boolean (*swap_symbol_in) |
c39a58e6 | 479 | (bfd *, const void *, const void *, Elf_Internal_Sym *); |
dc810e39 | 480 | void (*swap_symbol_out) |
c39a58e6 | 481 | (bfd *, const Elf_Internal_Sym *, void *, void *); |
b34976b6 | 482 | bfd_boolean (*slurp_reloc_table) |
c39a58e6 | 483 | (bfd *, asection *, asymbol **, bfd_boolean); |
dc810e39 | 484 | long (*slurp_symbol_table) |
c39a58e6 | 485 | (bfd *, asymbol **, bfd_boolean); |
dc810e39 | 486 | void (*swap_dyn_in) |
c39a58e6 | 487 | (bfd *, const void *, Elf_Internal_Dyn *); |
dc810e39 | 488 | void (*swap_dyn_out) |
c39a58e6 | 489 | (bfd *, const Elf_Internal_Dyn *, void *); |
c7ac6ff8 | 490 | |
947216bf AM |
491 | /* This function is called to swap in a REL relocation. If an |
492 | external relocation corresponds to more than one internal | |
493 | relocation, then all relocations are swapped in at once. */ | |
c7ac6ff8 | 494 | void (*swap_reloc_in) |
c39a58e6 | 495 | (bfd *, const bfd_byte *, Elf_Internal_Rela *); |
c7ac6ff8 | 496 | |
947216bf | 497 | /* This function is called to swap out a REL relocation. */ |
c7ac6ff8 | 498 | void (*swap_reloc_out) |
c39a58e6 | 499 | (bfd *, const Elf_Internal_Rela *, bfd_byte *); |
c7ac6ff8 | 500 | |
947216bf AM |
501 | /* This function is called to swap in a RELA relocation. If an |
502 | external relocation corresponds to more than one internal | |
503 | relocation, then all relocations are swapped in at once. */ | |
c7ac6ff8 | 504 | void (*swap_reloca_in) |
c39a58e6 | 505 | (bfd *, const bfd_byte *, Elf_Internal_Rela *); |
c7ac6ff8 | 506 | |
947216bf | 507 | /* This function is called to swap out a RELA relocation. */ |
c7ac6ff8 | 508 | void (*swap_reloca_out) |
c39a58e6 | 509 | (bfd *, const Elf_Internal_Rela *, bfd_byte *); |
252b5132 RH |
510 | }; |
511 | ||
512 | #define elf_symbol_from(ABFD,S) \ | |
513 | (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \ | |
514 | && (S)->the_bfd->tdata.elf_obj_data != 0) \ | |
515 | ? (elf_symbol_type *) (S) \ | |
516 | : 0) | |
517 | ||
db6751f2 JJ |
518 | enum elf_reloc_type_class { |
519 | reloc_class_normal, | |
520 | reloc_class_relative, | |
521 | reloc_class_plt, | |
522 | reloc_class_copy | |
523 | }; | |
524 | ||
73d074b4 DJ |
525 | struct elf_reloc_cookie |
526 | { | |
527 | Elf_Internal_Rela *rels, *rel, *relend; | |
6cdc0ccc | 528 | Elf_Internal_Sym *locsyms; |
73d074b4 DJ |
529 | bfd *abfd; |
530 | size_t locsymcount; | |
531 | size_t extsymoff; | |
532 | struct elf_link_hash_entry **sym_hashes; | |
140f6c8e | 533 | int r_sym_shift; |
b34976b6 | 534 | bfd_boolean bad_symtab; |
73d074b4 DJ |
535 | }; |
536 | ||
c6e90b02 TS |
537 | /* The level of IRIX compatibility we're striving for. */ |
538 | ||
539 | typedef enum { | |
540 | ict_none, | |
541 | ict_irix5, | |
542 | ict_irix6 | |
543 | } irix_compat_t; | |
544 | ||
2f89ff8d L |
545 | /* Mapping of ELF section names and types. */ |
546 | struct bfd_elf_special_section | |
547 | { | |
548 | const char *prefix; | |
7dcb9820 AM |
549 | int prefix_length; |
550 | /* 0 means name must match PREFIX exactly. | |
551 | -1 means name must start with PREFIX followed by an arbitrary string. | |
552 | -2 means name must match PREFIX exactly or consist of PREFIX followed | |
553 | by a dot then anything. | |
554 | > 0 means name must start with the first PREFIX_LENGTH chars of | |
555 | PREFIX and finish with the last SUFFIX_LENGTH chars of PREFIX. */ | |
556 | int suffix_length; | |
2f89ff8d | 557 | int type; |
7dcb9820 | 558 | int attr; |
2f89ff8d L |
559 | }; |
560 | ||
8a696751 AM |
561 | enum action_discarded |
562 | { | |
563 | COMPLAIN = 1, | |
564 | PRETEND = 2 | |
565 | }; | |
566 | ||
252b5132 RH |
567 | struct elf_backend_data |
568 | { | |
252b5132 RH |
569 | /* The architecture for this backend. */ |
570 | enum bfd_architecture arch; | |
571 | ||
572 | /* The ELF machine code (EM_xxxx) for this backend. */ | |
573 | int elf_machine_code; | |
574 | ||
575 | /* The maximum page size for this backend. */ | |
576 | bfd_vma maxpagesize; | |
577 | ||
b1342370 DJ |
578 | /* The minimum page size for this backend. An input object will not be |
579 | considered page aligned unless its sections are correctly aligned for | |
580 | pages at least this large. May be smaller than maxpagesize. */ | |
581 | bfd_vma minpagesize; | |
582 | ||
24718e3b L |
583 | /* The common page size for this backend. */ |
584 | bfd_vma commonpagesize; | |
585 | ||
e5a52504 MM |
586 | /* The BFD flags applied to sections created for dynamic linking. */ |
587 | flagword dynamic_sec_flags; | |
588 | ||
252b5132 RH |
589 | /* A function to translate an ELF RELA relocation to a BFD arelent |
590 | structure. */ | |
dc810e39 | 591 | void (*elf_info_to_howto) |
c39a58e6 | 592 | (bfd *, arelent *, Elf_Internal_Rela *); |
252b5132 RH |
593 | |
594 | /* A function to translate an ELF REL relocation to a BFD arelent | |
595 | structure. */ | |
dc810e39 | 596 | void (*elf_info_to_howto_rel) |
c39a58e6 | 597 | (bfd *, arelent *, Elf_Internal_Rela *); |
252b5132 RH |
598 | |
599 | /* A function to determine whether a symbol is global when | |
600 | partitioning the symbol table into local and global symbols. | |
601 | This should be NULL for most targets, in which case the correct | |
602 | thing will be done. MIPS ELF, at least on the Irix 5, has | |
603 | special requirements. */ | |
b34976b6 | 604 | bfd_boolean (*elf_backend_sym_is_global) |
c39a58e6 | 605 | (bfd *, asymbol *); |
252b5132 RH |
606 | |
607 | /* The remaining functions are hooks which are called only if they | |
608 | are not NULL. */ | |
609 | ||
610 | /* A function to permit a backend specific check on whether a | |
611 | particular BFD format is relevant for an object file, and to | |
612 | permit the backend to set any global information it wishes. When | |
613 | this is called elf_elfheader is set, but anything else should be | |
b34976b6 | 614 | used with caution. If this returns FALSE, the check_format |
252b5132 | 615 | routine will return a bfd_error_wrong_format error. */ |
b34976b6 | 616 | bfd_boolean (*elf_backend_object_p) |
c39a58e6 | 617 | (bfd *); |
252b5132 RH |
618 | |
619 | /* A function to do additional symbol processing when reading the | |
620 | ELF symbol table. This is where any processor-specific special | |
621 | section indices are handled. */ | |
dc810e39 | 622 | void (*elf_backend_symbol_processing) |
c39a58e6 | 623 | (bfd *, asymbol *); |
252b5132 RH |
624 | |
625 | /* A function to do additional symbol processing after reading the | |
626 | entire ELF symbol table. */ | |
b34976b6 | 627 | bfd_boolean (*elf_backend_symbol_table_processing) |
c39a58e6 | 628 | (bfd *, elf_symbol_type *, unsigned int); |
252b5132 | 629 | |
8387904d | 630 | /* A function to set the type of the info field. Processor-specific |
3e932841 | 631 | types should be handled here. */ |
dc810e39 | 632 | int (*elf_backend_get_symbol_type) |
c39a58e6 | 633 | (Elf_Internal_Sym *, int); |
60bcf0fa | 634 | |
8387904d AM |
635 | /* A function to return the linker hash table entry of a symbol that |
636 | might be satisfied by an archive symbol. */ | |
637 | struct elf_link_hash_entry * (*elf_backend_archive_symbol_lookup) | |
638 | (bfd *, struct bfd_link_info *, const char *); | |
639 | ||
174fd7f9 RS |
640 | /* Return true if local section symbols should have a non-null st_name. |
641 | NULL implies false. */ | |
642 | bfd_boolean (*elf_backend_name_local_section_symbols) | |
643 | (bfd *); | |
644 | ||
252b5132 RH |
645 | /* A function to do additional processing on the ELF section header |
646 | just before writing it out. This is used to set the flags and | |
647 | type fields for some sections, or to actually write out data for | |
648 | unusual sections. */ | |
b34976b6 | 649 | bfd_boolean (*elf_backend_section_processing) |
c39a58e6 | 650 | (bfd *, Elf_Internal_Shdr *); |
252b5132 RH |
651 | |
652 | /* A function to handle unusual section types when creating BFD | |
653 | sections from ELF sections. */ | |
b34976b6 | 654 | bfd_boolean (*elf_backend_section_from_shdr) |
6dc132d9 | 655 | (bfd *, Elf_Internal_Shdr *, const char *, int); |
252b5132 | 656 | |
551b43fd | 657 | /* A function to convert machine dependent ELF section header flags to |
fa152c49 | 658 | BFD internal section header flags. */ |
b34976b6 | 659 | bfd_boolean (*elf_backend_section_flags) |
1829f4b2 | 660 | (flagword *, const Elf_Internal_Shdr *); |
fa152c49 | 661 | |
551b43fd AM |
662 | /* A function that returns a struct containing ELF section flags and |
663 | type for the given BFD section. */ | |
664 | const struct bfd_elf_special_section * (*get_sec_type_attr) | |
665 | (bfd *, asection *); | |
666 | ||
20cfcaae | 667 | /* A function to handle unusual program segment types when creating BFD |
3e932841 | 668 | sections from ELF program segments. */ |
b34976b6 | 669 | bfd_boolean (*elf_backend_section_from_phdr) |
d27f5fa1 | 670 | (bfd *, Elf_Internal_Phdr *, int, const char *); |
20cfcaae | 671 | |
252b5132 RH |
672 | /* A function to set up the ELF section header for a BFD section in |
673 | preparation for writing it out. This is where the flags and type | |
674 | fields are set for unusual sections. */ | |
b34976b6 | 675 | bfd_boolean (*elf_backend_fake_sections) |
c39a58e6 | 676 | (bfd *, Elf_Internal_Shdr *, asection *); |
252b5132 RH |
677 | |
678 | /* A function to get the ELF section index for a BFD section. If | |
b34976b6 | 679 | this returns TRUE, the section was found. If it is a normal ELF |
252b5132 RH |
680 | section, *RETVAL should be left unchanged. If it is not a normal |
681 | ELF section *RETVAL should be set to the SHN_xxxx index. */ | |
b34976b6 | 682 | bfd_boolean (*elf_backend_section_from_bfd_section) |
c39a58e6 | 683 | (bfd *, asection *, int *retval); |
252b5132 RH |
684 | |
685 | /* If this field is not NULL, it is called by the add_symbols phase | |
686 | of a link just before adding a symbol to the global linker hash | |
687 | table. It may modify any of the fields as it wishes. If *NAME | |
688 | is set to NULL, the symbol will be skipped rather than being | |
689 | added to the hash table. This function is responsible for | |
690 | handling all processor dependent symbol bindings and section | |
691 | indices, and must set at least *FLAGS and *SEC for each processor | |
692 | dependent case; failure to do so will cause a link error. */ | |
b34976b6 | 693 | bfd_boolean (*elf_add_symbol_hook) |
555cd476 | 694 | (bfd *abfd, struct bfd_link_info *info, Elf_Internal_Sym *, |
c39a58e6 | 695 | const char **name, flagword *flags, asection **sec, bfd_vma *value); |
252b5132 RH |
696 | |
697 | /* If this field is not NULL, it is called by the elf_link_output_sym | |
698 | phase of a link for each symbol which will appear in the object file. */ | |
b34976b6 | 699 | bfd_boolean (*elf_backend_link_output_symbol_hook) |
754021d0 AM |
700 | (struct bfd_link_info *info, const char *, Elf_Internal_Sym *, |
701 | asection *, struct elf_link_hash_entry *); | |
252b5132 RH |
702 | |
703 | /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend | |
704 | linker the first time it encounters a dynamic object in the link. | |
705 | This function must create any sections required for dynamic | |
706 | linking. The ABFD argument is a dynamic object. The .interp, | |
707 | .dynamic, .dynsym, .dynstr, and .hash functions have already been | |
708 | created, and this function may modify the section flags if | |
709 | desired. This function will normally create the .got and .plt | |
710 | sections, but different backends have different requirements. */ | |
b34976b6 | 711 | bfd_boolean (*elf_backend_create_dynamic_sections) |
c39a58e6 | 712 | (bfd *abfd, struct bfd_link_info *info); |
252b5132 | 713 | |
aee6f5b4 AO |
714 | /* When creating a shared library, determine whether to omit the |
715 | dynamic symbol for the section. */ | |
716 | bfd_boolean (*elf_backend_omit_section_dynsym) | |
717 | (bfd *output_bfd, struct bfd_link_info *info, asection *osec); | |
718 | ||
252b5132 RH |
719 | /* The CHECK_RELOCS function is called by the add_symbols phase of |
720 | the ELF backend linker. It is called once for each section with | |
721 | relocs of an object file, just after the symbols for the object | |
722 | file have been added to the global linker hash table. The | |
723 | function must look through the relocs and do any special handling | |
724 | required. This generally means allocating space in the global | |
725 | offset table, and perhaps allocating space for a reloc. The | |
726 | relocs are always passed as Rela structures; if the section | |
727 | actually uses Rel structures, the r_addend field will always be | |
728 | zero. */ | |
b34976b6 | 729 | bfd_boolean (*check_relocs) |
c39a58e6 AM |
730 | (bfd *abfd, struct bfd_link_info *info, asection *o, |
731 | const Elf_Internal_Rela *relocs); | |
252b5132 | 732 | |
85fbca6a NC |
733 | /* The CHECK_DIRECTIVES function is called once per input file by |
734 | the add_symbols phase of the ELF backend linker. The function | |
735 | must inspect the bfd and create any additional symbols according | |
736 | to any custom directives in the bfd. */ | |
737 | bfd_boolean (*check_directives) | |
738 | (bfd *abfd, struct bfd_link_info *info); | |
739 | ||
252b5132 RH |
740 | /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend |
741 | linker for every symbol which is defined by a dynamic object and | |
742 | referenced by a regular object. This is called after all the | |
743 | input files have been seen, but before the SIZE_DYNAMIC_SECTIONS | |
744 | function has been called. The hash table entry should be | |
745 | bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be | |
746 | defined in a section from a dynamic object. Dynamic object | |
747 | sections are not included in the final link, and this function is | |
748 | responsible for changing the value to something which the rest of | |
749 | the link can deal with. This will normally involve adding an | |
750 | entry to the .plt or .got or some such section, and setting the | |
751 | symbol to point to that. */ | |
b34976b6 | 752 | bfd_boolean (*elf_backend_adjust_dynamic_symbol) |
c39a58e6 | 753 | (struct bfd_link_info *info, struct elf_link_hash_entry *h); |
252b5132 RH |
754 | |
755 | /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker | |
756 | after all the linker input files have been seen but before the | |
757 | section sizes have been set. This is called after | |
758 | ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */ | |
b34976b6 | 759 | bfd_boolean (*elf_backend_always_size_sections) |
c39a58e6 | 760 | (bfd *output_bfd, struct bfd_link_info *info); |
252b5132 RH |
761 | |
762 | /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend | |
763 | linker after all the linker input files have been seen but before | |
764 | the sections sizes have been set. This is called after | |
765 | ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols. | |
766 | It is only called when linking against a dynamic object. It must | |
767 | set the sizes of the dynamic sections, and may fill in their | |
768 | contents as well. The generic ELF linker can handle the .dynsym, | |
769 | .dynstr and .hash sections. This function must handle the | |
770 | .interp section and any sections created by the | |
771 | CREATE_DYNAMIC_SECTIONS entry point. */ | |
b34976b6 | 772 | bfd_boolean (*elf_backend_size_dynamic_sections) |
c39a58e6 | 773 | (bfd *output_bfd, struct bfd_link_info *info); |
252b5132 | 774 | |
74541ad4 AM |
775 | /* Set TEXT_INDEX_SECTION and DATA_INDEX_SECTION, the output sections |
776 | we keep to use as a base for relocs and symbols. */ | |
777 | void (*elf_backend_init_index_section) | |
778 | (bfd *output_bfd, struct bfd_link_info *info); | |
779 | ||
252b5132 RH |
780 | /* The RELOCATE_SECTION function is called by the ELF backend linker |
781 | to handle the relocations for a section. | |
782 | ||
783 | The relocs are always passed as Rela structures; if the section | |
784 | actually uses Rel structures, the r_addend field will always be | |
785 | zero. | |
786 | ||
787 | This function is responsible for adjust the section contents as | |
788 | necessary, and (if using Rela relocs and generating a | |
1049f94e | 789 | relocatable output file) adjusting the reloc addend as |
252b5132 RH |
790 | necessary. |
791 | ||
792 | This function does not have to worry about setting the reloc | |
793 | address or the reloc symbol index. | |
794 | ||
795 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
796 | ||
797 | LOCAL_SECTIONS is an array giving the section in the input file | |
798 | corresponding to the st_shndx field of each local symbol. | |
799 | ||
800 | The global hash table entry for the global symbols can be found | |
801 | via elf_sym_hashes (input_bfd). | |
802 | ||
1049f94e | 803 | When generating relocatable output, this function must handle |
252b5132 RH |
804 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is |
805 | going to be the section symbol corresponding to the output | |
806 | section, which means that the addend must be adjusted | |
807 | accordingly. */ | |
b34976b6 | 808 | bfd_boolean (*elf_backend_relocate_section) |
c39a58e6 AM |
809 | (bfd *output_bfd, struct bfd_link_info *info, bfd *input_bfd, |
810 | asection *input_section, bfd_byte *contents, Elf_Internal_Rela *relocs, | |
811 | Elf_Internal_Sym *local_syms, asection **local_sections); | |
252b5132 RH |
812 | |
813 | /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend | |
814 | linker just before it writes a symbol out to the .dynsym section. | |
815 | The processor backend may make any required adjustment to the | |
816 | symbol. It may also take the opportunity to set contents of the | |
817 | dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on | |
818 | all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called | |
819 | on those symbols which are defined by a dynamic object. */ | |
b34976b6 | 820 | bfd_boolean (*elf_backend_finish_dynamic_symbol) |
c39a58e6 AM |
821 | (bfd *output_bfd, struct bfd_link_info *info, |
822 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym); | |
252b5132 RH |
823 | |
824 | /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend | |
825 | linker just before it writes all the dynamic sections out to the | |
826 | output file. The FINISH_DYNAMIC_SYMBOL will have been called on | |
827 | all dynamic symbols. */ | |
b34976b6 | 828 | bfd_boolean (*elf_backend_finish_dynamic_sections) |
c39a58e6 | 829 | (bfd *output_bfd, struct bfd_link_info *info); |
252b5132 RH |
830 | |
831 | /* A function to do any beginning processing needed for the ELF file | |
832 | before building the ELF headers and computing file positions. */ | |
833 | void (*elf_backend_begin_write_processing) | |
c39a58e6 | 834 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
835 | |
836 | /* A function to do any final processing needed for the ELF file | |
b34976b6 | 837 | before writing it out. The LINKER argument is TRUE if this BFD |
252b5132 RH |
838 | was created by the ELF backend linker. */ |
839 | void (*elf_backend_final_write_processing) | |
c39a58e6 | 840 | (bfd *, bfd_boolean linker); |
252b5132 RH |
841 | |
842 | /* This function is called by get_program_header_size. It should | |
843 | return the number of additional program segments which this BFD | |
844 | will need. It should return -1 on error. */ | |
dc810e39 | 845 | int (*elf_backend_additional_program_headers) |
a6b96beb | 846 | (bfd *, struct bfd_link_info *); |
252b5132 RH |
847 | |
848 | /* This function is called to modify an existing segment map in a | |
849 | backend specific fashion. */ | |
b34976b6 | 850 | bfd_boolean (*elf_backend_modify_segment_map) |
c84fca4d | 851 | (bfd *, struct bfd_link_info *); |
252b5132 | 852 | |
e36284ab AM |
853 | /* This function is called to modify program headers just before |
854 | they are written. */ | |
855 | bfd_boolean (*elf_backend_modify_program_headers) | |
856 | (bfd *, struct bfd_link_info *); | |
857 | ||
64d03ab5 AM |
858 | /* This function is called during section garbage collection to |
859 | mark sections that define global symbols. */ | |
860 | bfd_boolean (*gc_mark_dynamic_ref) | |
861 | (struct elf_link_hash_entry *h, void *inf); | |
862 | ||
252b5132 | 863 | /* This function is called during section gc to discover the section a |
1e2f5b6e | 864 | particular relocation refers to. */ |
252b5132 | 865 | asection * (*gc_mark_hook) |
c39a58e6 AM |
866 | (asection *sec, struct bfd_link_info *, Elf_Internal_Rela *, |
867 | struct elf_link_hash_entry *h, Elf_Internal_Sym *); | |
252b5132 RH |
868 | |
869 | /* This function, if defined, is called during the sweep phase of gc | |
870 | in order that a backend might update any data structures it might | |
871 | be maintaining. */ | |
b34976b6 | 872 | bfd_boolean (*gc_sweep_hook) |
c39a58e6 AM |
873 | (bfd *abfd, struct bfd_link_info *info, asection *o, |
874 | const Elf_Internal_Rela *relocs); | |
252b5132 | 875 | |
e6c51ed4 NC |
876 | /* This function, if defined, is called after the ELF headers have |
877 | been created. This allows for things like the OS and ABI versions | |
878 | to be changed. */ | |
879 | void (*elf_backend_post_process_headers) | |
c39a58e6 | 880 | (bfd *, struct bfd_link_info *); |
e6c51ed4 | 881 | |
587ff49e RH |
882 | /* This function, if defined, prints a symbol to file and returns the |
883 | name of the symbol to be printed. It should return NULL to fall | |
884 | back to default symbol printing. */ | |
885 | const char *(*elf_backend_print_symbol_all) | |
c39a58e6 | 886 | (bfd *, void *, asymbol *); |
587ff49e RH |
887 | |
888 | /* This function, if defined, is called after all local symbols and | |
4cc11e76 | 889 | global symbols converted to locals are emitted into the symtab |
4e617b1e | 890 | section. It allows the backend to emit special local symbols |
587ff49e | 891 | not handled in the hash table. */ |
4e617b1e PB |
892 | bfd_boolean (*elf_backend_output_arch_local_syms) |
893 | (bfd *, struct bfd_link_info *, void *, | |
894 | bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *, | |
895 | struct elf_link_hash_entry *)); | |
896 | ||
897 | /* This function, if defined, is called after all symbols are emitted | |
898 | into the symtab section. It allows the backend to emit special | |
899 | global symbols not handled in the hash table. */ | |
b34976b6 | 900 | bfd_boolean (*elf_backend_output_arch_syms) |
c39a58e6 | 901 | (bfd *, struct bfd_link_info *, void *, |
754021d0 AM |
902 | bfd_boolean (*) (void *, const char *, Elf_Internal_Sym *, asection *, |
903 | struct elf_link_hash_entry *)); | |
587ff49e | 904 | |
d4c88bbb | 905 | /* Copy any information related to dynamic linking from a pre-existing |
0a991dfe AM |
906 | symbol to a newly created symbol. Also called to copy flags and |
907 | other back-end info to a weakdef, in which case the symbol is not | |
908 | newly created and plt/got refcounts and dynamic indices should not | |
909 | be copied. */ | |
c61b8717 | 910 | void (*elf_backend_copy_indirect_symbol) |
fcfa13d2 | 911 | (struct bfd_link_info *, struct elf_link_hash_entry *, |
c39a58e6 | 912 | struct elf_link_hash_entry *); |
c61b8717 RH |
913 | |
914 | /* Modify any information related to dynamic linking such that the | |
915 | symbol is not exported. */ | |
916 | void (*elf_backend_hide_symbol) | |
c39a58e6 | 917 | (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean); |
c61b8717 | 918 | |
508c3946 L |
919 | /* A function to do additional symbol fixup, called by |
920 | _bfd_elf_fix_symbol_flags. */ | |
921 | bfd_boolean (*elf_backend_fixup_symbol) | |
922 | (struct bfd_link_info *, struct elf_link_hash_entry *); | |
923 | ||
9bf7216d KK |
924 | /* Merge the backend specific symbol attribute. */ |
925 | void (*elf_backend_merge_symbol_attribute) | |
926 | (struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean, | |
927 | bfd_boolean); | |
928 | ||
12ac1cf5 NC |
929 | /* Decide whether an undefined symbol is special and can be ignored. |
930 | This is the case for OPTIONAL symbols on IRIX. */ | |
931 | bfd_boolean (*elf_backend_ignore_undef_symbol) | |
932 | (struct elf_link_hash_entry *); | |
933 | ||
9317eacc CM |
934 | /* Emit relocations. Overrides default routine for emitting relocs, |
935 | except during a relocatable link, or if all relocs are being emitted. */ | |
b34976b6 | 936 | bfd_boolean (*elf_backend_emit_relocs) |
eac338cf PB |
937 | (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *, |
938 | struct elf_link_hash_entry **); | |
9317eacc CM |
939 | |
940 | /* Count relocations. Not called for relocatable links | |
941 | or if all relocs are being preserved in the output. */ | |
942 | unsigned int (*elf_backend_count_relocs) | |
c39a58e6 | 943 | (asection *, Elf_Internal_Rela *); |
9317eacc | 944 | |
bb0082d6 AM |
945 | /* This function, if defined, is called when an NT_PRSTATUS note is found |
946 | in a core file. */ | |
b34976b6 | 947 | bfd_boolean (*elf_backend_grok_prstatus) |
c39a58e6 | 948 | (bfd *, Elf_Internal_Note *); |
bb0082d6 AM |
949 | |
950 | /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO | |
951 | note is found in a core file. */ | |
b34976b6 | 952 | bfd_boolean (*elf_backend_grok_psinfo) |
c39a58e6 | 953 | (bfd *, Elf_Internal_Note *); |
bb0082d6 | 954 | |
db6751f2 | 955 | /* Functions to print VMAs. Special code to handle 64 bit ELF files. */ |
dc810e39 | 956 | void (* elf_backend_sprintf_vma) |
c39a58e6 | 957 | (bfd *, char *, bfd_vma); |
dc810e39 | 958 | void (* elf_backend_fprintf_vma) |
c39a58e6 | 959 | (bfd *, void *, bfd_vma); |
4e771d61 | 960 | |
db6751f2 | 961 | /* This function returns class of a reloc type. */ |
f51e552e | 962 | enum elf_reloc_type_class (*elf_backend_reloc_type_class) |
c39a58e6 | 963 | (const Elf_Internal_Rela *); |
db6751f2 | 964 | |
73d074b4 DJ |
965 | /* This function, if defined, removes information about discarded functions |
966 | from other sections which mention them. */ | |
b34976b6 | 967 | bfd_boolean (*elf_backend_discard_info) |
c39a58e6 | 968 | (bfd *, struct elf_reloc_cookie *, struct bfd_link_info *); |
73d074b4 DJ |
969 | |
970 | /* This function, if defined, signals that the function above has removed | |
971 | the discarded relocations for this section. */ | |
b34976b6 | 972 | bfd_boolean (*elf_backend_ignore_discarded_relocs) |
c39a58e6 | 973 | (asection *); |
73d074b4 | 974 | |
8a696751 AM |
975 | /* What to do when ld finds relocations against symbols defined in |
976 | discarded sections. */ | |
977 | unsigned int (*action_discarded) | |
978 | (asection *); | |
979 | ||
8c946ed5 RS |
980 | /* This function returns the width of FDE pointers in bytes, or 0 if |
981 | that can't be determined for some reason. The default definition | |
982 | goes by the bfd's EI_CLASS. */ | |
983 | unsigned int (*elf_backend_eh_frame_address_size) | |
984 | (bfd *, asection *); | |
985 | ||
ec3391e7 AO |
986 | /* These functions tell elf-eh-frame whether to attempt to turn |
987 | absolute or lsda encodings into pc-relative ones. The default | |
988 | definition enables these transformations. */ | |
989 | bfd_boolean (*elf_backend_can_make_relative_eh_frame) | |
990 | (bfd *, struct bfd_link_info *, asection *); | |
991 | bfd_boolean (*elf_backend_can_make_lsda_relative_eh_frame) | |
992 | (bfd *, struct bfd_link_info *, asection *); | |
993 | ||
994 | /* This function returns an encoding after computing the encoded | |
995 | value (and storing it in ENCODED) for the given OFFSET into OSEC, | |
996 | to be stored in at LOC_OFFSET into the LOC_SEC input section. | |
997 | The default definition chooses a 32-bit PC-relative encoding. */ | |
998 | bfd_byte (*elf_backend_encode_eh_address) | |
999 | (bfd *abfd, struct bfd_link_info *info, | |
1000 | asection *osec, bfd_vma offset, | |
1001 | asection *loc_sec, bfd_vma loc_offset, | |
1002 | bfd_vma *encoded); | |
1003 | ||
73d074b4 | 1004 | /* This function, if defined, may write out the given section. |
b34976b6 AM |
1005 | Returns TRUE if it did so and FALSE if the caller should. */ |
1006 | bfd_boolean (*elf_backend_write_section) | |
c39a58e6 | 1007 | (bfd *, asection *, bfd_byte *); |
73d074b4 | 1008 | |
c6e90b02 TS |
1009 | /* The level of IRIX compatibility we're striving for. |
1010 | MIPS ELF specific function. */ | |
1011 | irix_compat_t (*elf_backend_mips_irix_compat) | |
c39a58e6 | 1012 | (bfd *); |
c6e90b02 TS |
1013 | |
1014 | reloc_howto_type *(*elf_backend_mips_rtype_to_howto) | |
c39a58e6 | 1015 | (unsigned int, bfd_boolean); |
c6e90b02 | 1016 | |
252b5132 RH |
1017 | /* The swapping table to use when dealing with ECOFF information. |
1018 | Used for the MIPS ELF .mdebug section. */ | |
1019 | const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap; | |
1020 | ||
8d6337fe RM |
1021 | /* This function implements `bfd_elf_bfd_from_remote_memory'; |
1022 | see elf.c, elfcode.h. */ | |
1023 | bfd *(*elf_backend_bfd_from_remote_memory) | |
c39a58e6 | 1024 | (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, |
f075ee0c | 1025 | int (*target_read_memory) (bfd_vma vma, bfd_byte *myaddr, int len)); |
8d6337fe | 1026 | |
4c45e5c9 JJ |
1027 | /* This function is used by `_bfd_elf_get_synthetic_symtab'; |
1028 | see elf.c. */ | |
1029 | bfd_vma (*plt_sym_val) (bfd_vma, const asection *, const arelent *); | |
1030 | ||
a4d8e49b L |
1031 | /* Is symbol defined in common section? */ |
1032 | bfd_boolean (*common_definition) (Elf_Internal_Sym *); | |
1033 | ||
1034 | /* Return a common section index for section. */ | |
1035 | unsigned int (*common_section_index) (asection *); | |
1036 | ||
1037 | /* Return a common section for section. */ | |
1038 | asection *(*common_section) (asection *); | |
1039 | ||
1040 | /* Return TRUE if we can merge 2 definitions. */ | |
1041 | bfd_boolean (*merge_symbol) (struct bfd_link_info *, | |
1042 | struct elf_link_hash_entry **, | |
1043 | struct elf_link_hash_entry *, | |
1044 | Elf_Internal_Sym *, asection **, | |
1045 | bfd_vma *, unsigned int *, | |
1046 | bfd_boolean *, bfd_boolean *, | |
1047 | bfd_boolean *, bfd_boolean *, | |
1048 | bfd_boolean *, bfd_boolean *, | |
1049 | bfd_boolean *, bfd_boolean *, | |
1050 | bfd *, asection **, | |
1051 | bfd_boolean *, bfd_boolean *, | |
1052 | bfd_boolean *, bfd_boolean *, | |
1053 | bfd *, asection **); | |
1054 | ||
fdc90cb4 JJ |
1055 | /* Return TRUE if symbol should be hashed in the `.gnu.hash' section. */ |
1056 | bfd_boolean (*elf_hash_symbol) (struct elf_link_hash_entry *); | |
1057 | ||
185d09ad L |
1058 | /* Used to handle bad SHF_LINK_ORDER input. */ |
1059 | bfd_error_handler_type link_order_error_handler; | |
1060 | ||
4c45e5c9 JJ |
1061 | /* Name of the PLT relocation section. */ |
1062 | const char *relplt_name; | |
1063 | ||
252b5132 RH |
1064 | /* Alternate EM_xxxx machine codes for this backend. */ |
1065 | int elf_machine_alt1; | |
1066 | int elf_machine_alt2; | |
1067 | ||
1068 | const struct elf_size_info *s; | |
1069 | ||
29ef7005 L |
1070 | /* An array of target specific special sections. */ |
1071 | const struct bfd_elf_special_section *special_sections; | |
1072 | ||
6f2f2c9d DJ |
1073 | /* The size in bytes of the header for the GOT. This includes the |
1074 | so-called reserved entries on some systems. */ | |
252b5132 | 1075 | bfd_vma got_header_size; |
252b5132 | 1076 | |
b34976b6 AM |
1077 | /* This is TRUE if the linker should act like collect and gather |
1078 | global constructors and destructors by name. This is TRUE for | |
86dc0f79 RH |
1079 | MIPS ELF because the Irix 5 tools can not handle the .init |
1080 | section. */ | |
1081 | unsigned collect : 1; | |
1082 | ||
b34976b6 AM |
1083 | /* This is TRUE if the linker should ignore changes to the type of a |
1084 | symbol. This is TRUE for MIPS ELF because some Irix 5 objects | |
86dc0f79 RH |
1085 | record undefined functions as STT_OBJECT although the definitions |
1086 | are STT_FUNC. */ | |
1087 | unsigned type_change_ok : 1; | |
1088 | ||
bf572ba0 MM |
1089 | /* Whether the backend may use REL relocations. (Some backends use |
1090 | both REL and RELA relocations, and this flag is set for those | |
1091 | backends.) */ | |
1092 | unsigned may_use_rel_p : 1; | |
60bcf0fa | 1093 | |
bf572ba0 MM |
1094 | /* Whether the backend may use RELA relocations. (Some backends use |
1095 | both REL and RELA relocations, and this flag is set for those | |
1096 | backends.) */ | |
1097 | unsigned may_use_rela_p : 1; | |
1098 | ||
1099 | /* Whether the default relocation type is RELA. If a backend with | |
1100 | this flag set wants REL relocations for a particular section, | |
1101 | it must note that explicitly. Similarly, if this flag is clear, | |
60bcf0fa NC |
1102 | and the backend wants RELA relocations for a particular |
1103 | section. */ | |
bf572ba0 MM |
1104 | unsigned default_use_rela_p : 1; |
1105 | ||
b491616a AM |
1106 | /* Set if RELA relocations for a relocatable link can be handled by |
1107 | generic code. Backends that set this flag need do nothing in the | |
1108 | backend relocate_section routine for relocatable linking. */ | |
1109 | unsigned rela_normal : 1; | |
1110 | ||
b34976b6 | 1111 | /* TRUE if addresses "naturally" sign extend. This is used when |
86dc0f79 RH |
1112 | swapping in from Elf32 when BFD64. */ |
1113 | unsigned sign_extend_vma : 1; | |
1114 | ||
252b5132 RH |
1115 | unsigned want_got_plt : 1; |
1116 | unsigned plt_readonly : 1; | |
1117 | unsigned want_plt_sym : 1; | |
1118 | unsigned plt_not_loaded : 1; | |
1119 | unsigned plt_alignment : 4; | |
1120 | unsigned can_gc_sections : 1; | |
51b64d56 | 1121 | unsigned can_refcount : 1; |
2517a57f | 1122 | unsigned want_got_sym : 1; |
3018b441 | 1123 | unsigned want_dynbss : 1; |
5e8d7549 NC |
1124 | /* Targets which do not support physical addressing often require |
1125 | that the p_paddr field in the section header to be set to zero. | |
1126 | This field indicates whether this behavior is required. */ | |
1127 | unsigned want_p_paddr_set_to_zero : 1; | |
252b5132 RH |
1128 | }; |
1129 | ||
1130 | /* Information stored for each BFD section in an ELF file. This | |
1131 | structure is allocated by elf_new_section_hook. */ | |
1132 | ||
1133 | struct bfd_elf_section_data | |
1134 | { | |
1135 | /* The ELF header for this section. */ | |
1136 | Elf_Internal_Shdr this_hdr; | |
0c715baa | 1137 | |
252b5132 RH |
1138 | /* The ELF header for the reloc section associated with this |
1139 | section, if any. */ | |
1140 | Elf_Internal_Shdr rel_hdr; | |
0c715baa | 1141 | |
252b5132 RH |
1142 | /* If there is a second reloc section associated with this section, |
1143 | as can happen on Irix 6, this field points to the header. */ | |
1144 | Elf_Internal_Shdr *rel_hdr2; | |
0c715baa | 1145 | |
23bc299b MM |
1146 | /* The number of relocations currently assigned to REL_HDR. */ |
1147 | unsigned int rel_count; | |
0c715baa | 1148 | |
23bc299b MM |
1149 | /* The number of relocations currently assigned to REL_HDR2. */ |
1150 | unsigned int rel_count2; | |
0c715baa | 1151 | |
6dc132d9 | 1152 | /* The ELF section number of this section. */ |
252b5132 | 1153 | int this_idx; |
0c715baa | 1154 | |
23bc299b MM |
1155 | /* The ELF section number of the reloc section indicated by |
1156 | REL_HDR if any. Only used for an output file. */ | |
252b5132 | 1157 | int rel_idx; |
0c715baa | 1158 | |
23bc299b MM |
1159 | /* The ELF section number of the reloc section indicated by |
1160 | REL_HDR2 if any. Only used for an output file. */ | |
1161 | int rel_idx2; | |
0c715baa | 1162 | |
f0abc2a1 AM |
1163 | /* Used by the backend linker when generating a shared library to |
1164 | record the dynamic symbol index for a section symbol | |
1165 | corresponding to this section. A value of 0 means that there is | |
1166 | no dynamic symbol for this section. */ | |
1167 | int dynindx; | |
1168 | ||
38ce5b11 L |
1169 | /* A pointer to the linked-to section for SHF_LINK_ORDER. */ |
1170 | asection *linked_to; | |
1171 | ||
252b5132 RH |
1172 | /* Used by the backend linker to store the symbol hash table entries |
1173 | associated with relocs against global symbols. */ | |
1174 | struct elf_link_hash_entry **rel_hashes; | |
0c715baa | 1175 | |
252b5132 RH |
1176 | /* A pointer to the swapped relocs. If the section uses REL relocs, |
1177 | rather than RELA, all the r_addend fields will be zero. This | |
1178 | pointer may be NULL. It is used by the backend linker. */ | |
1179 | Elf_Internal_Rela *relocs; | |
0c715baa | 1180 | |
f0abc2a1 AM |
1181 | /* A pointer to a linked list tracking dynamic relocs copied for |
1182 | local symbols. */ | |
c39a58e6 | 1183 | void *local_dynrel; |
0c715baa | 1184 | |
f0abc2a1 AM |
1185 | /* A pointer to the bfd section used for dynamic relocs. */ |
1186 | asection *sreloc; | |
0c715baa | 1187 | |
1126897b AM |
1188 | union { |
1189 | /* Group name, if this section is a member of a group. */ | |
1190 | const char *name; | |
1191 | ||
1192 | /* Group signature sym, if this is the SHT_GROUP section. */ | |
fc0a2244 | 1193 | struct bfd_symbol *id; |
1126897b | 1194 | } group; |
dbb410c3 | 1195 | |
3d7f7666 L |
1196 | /* Optional information about section group; NULL if it doesn't |
1197 | belongs to any section group. */ | |
1198 | asection *sec_group; | |
1199 | ||
dbb410c3 AM |
1200 | /* A linked list of sections in the group. Circular when used by |
1201 | the linker. */ | |
1202 | asection *next_in_group; | |
1203 | ||
f0abc2a1 | 1204 | /* A pointer used for various section optimizations. */ |
c39a58e6 | 1205 | void *sec_info; |
252b5132 RH |
1206 | }; |
1207 | ||
96982dc9 | 1208 | #define elf_section_data(sec) ((struct bfd_elf_section_data*)(sec)->used_by_bfd) |
38ce5b11 | 1209 | #define elf_linked_to_section(sec) (elf_section_data(sec)->linked_to) |
2f89ff8d L |
1210 | #define elf_section_type(sec) (elf_section_data(sec)->this_hdr.sh_type) |
1211 | #define elf_section_flags(sec) (elf_section_data(sec)->this_hdr.sh_flags) | |
1126897b AM |
1212 | #define elf_group_name(sec) (elf_section_data(sec)->group.name) |
1213 | #define elf_group_id(sec) (elf_section_data(sec)->group.id) | |
945906ff | 1214 | #define elf_next_in_group(sec) (elf_section_data(sec)->next_in_group) |
3d7f7666 | 1215 | #define elf_sec_group(sec) (elf_section_data(sec)->sec_group) |
252b5132 | 1216 | |
b34976b6 | 1217 | /* Return TRUE if section has been discarded. */ |
68bfbfcc AM |
1218 | #define elf_discarded_section(sec) \ |
1219 | (!bfd_is_abs_section (sec) \ | |
1220 | && bfd_is_abs_section ((sec)->output_section) \ | |
cdd3575c AM |
1221 | && (sec)->sec_info_type != ELF_INFO_TYPE_MERGE \ |
1222 | && (sec)->sec_info_type != ELF_INFO_TYPE_JUST_SYMS) | |
ed4de5e2 | 1223 | |
24718e3b L |
1224 | #define xvec_get_elf_backend_data(xvec) \ |
1225 | ((struct elf_backend_data *) (xvec)->backend_data) | |
1226 | ||
252b5132 | 1227 | #define get_elf_backend_data(abfd) \ |
24718e3b | 1228 | xvec_get_elf_backend_data ((abfd)->xvec) |
252b5132 | 1229 | |
45d6a902 AM |
1230 | /* This struct is used to pass information to routines called via |
1231 | elf_link_hash_traverse which must return failure. */ | |
1232 | ||
1233 | struct elf_info_failed | |
1234 | { | |
1235 | bfd_boolean failed; | |
1236 | struct bfd_link_info *info; | |
1237 | struct bfd_elf_version_tree *verdefs; | |
1238 | }; | |
1239 | ||
1240 | /* This structure is used to pass information to | |
1241 | _bfd_elf_link_assign_sym_version. */ | |
1242 | ||
1243 | struct elf_assign_sym_version_info | |
1244 | { | |
1245 | /* Output BFD. */ | |
1246 | bfd *output_bfd; | |
1247 | /* General link information. */ | |
1248 | struct bfd_link_info *info; | |
1249 | /* Version tree. */ | |
1250 | struct bfd_elf_version_tree *verdefs; | |
1251 | /* Whether we had a failure. */ | |
1252 | bfd_boolean failed; | |
1253 | }; | |
1254 | ||
1255 | /* This structure is used to pass information to | |
1256 | _bfd_elf_link_find_version_dependencies. */ | |
1257 | ||
1258 | struct elf_find_verdep_info | |
1259 | { | |
1260 | /* Output BFD. */ | |
1261 | bfd *output_bfd; | |
1262 | /* General link information. */ | |
1263 | struct bfd_link_info *info; | |
1264 | /* The number of dependencies. */ | |
1265 | unsigned int vers; | |
1266 | /* Whether we had a failure. */ | |
1267 | bfd_boolean failed; | |
1268 | }; | |
1269 | ||
252b5132 RH |
1270 | /* Some private data is stashed away for future use using the tdata pointer |
1271 | in the bfd structure. */ | |
1272 | ||
1273 | struct elf_obj_tdata | |
1274 | { | |
1275 | Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */ | |
1276 | Elf_Internal_Shdr **elf_sect_ptr; | |
1277 | Elf_Internal_Phdr *phdr; | |
1278 | struct elf_segment_map *segment_map; | |
2b0f7ef9 | 1279 | struct elf_strtab_hash *strtab_ptr; |
252b5132 RH |
1280 | int num_locals; |
1281 | int num_globals; | |
9ad5cbcf | 1282 | unsigned int num_elf_sections; /* elf_sect_ptr size */ |
4e89ac30 | 1283 | int num_section_syms; |
252b5132 RH |
1284 | asymbol **section_syms; /* STT_SECTION symbols for each section */ |
1285 | Elf_Internal_Shdr symtab_hdr; | |
1286 | Elf_Internal_Shdr shstrtab_hdr; | |
1287 | Elf_Internal_Shdr strtab_hdr; | |
1288 | Elf_Internal_Shdr dynsymtab_hdr; | |
1289 | Elf_Internal_Shdr dynstrtab_hdr; | |
1290 | Elf_Internal_Shdr dynversym_hdr; | |
1291 | Elf_Internal_Shdr dynverref_hdr; | |
1292 | Elf_Internal_Shdr dynverdef_hdr; | |
9ad5cbcf | 1293 | Elf_Internal_Shdr symtab_shndx_hdr; |
252b5132 RH |
1294 | unsigned int symtab_section, shstrtab_section; |
1295 | unsigned int strtab_section, dynsymtab_section; | |
9ad5cbcf | 1296 | unsigned int symtab_shndx_section; |
252b5132 RH |
1297 | unsigned int dynversym_section, dynverdef_section, dynverref_section; |
1298 | file_ptr next_file_pos; | |
dbb410c3 AM |
1299 | bfd_vma gp; /* The gp value */ |
1300 | unsigned int gp_size; /* The gp size */ | |
1301 | ||
3e932841 | 1302 | /* Information grabbed from an elf core file. */ |
252b5132 RH |
1303 | int core_signal; |
1304 | int core_pid; | |
1305 | int core_lwpid; | |
1306 | char* core_program; | |
1307 | char* core_command; | |
1308 | ||
252b5132 RH |
1309 | /* A mapping from external symbols to entries in the linker hash |
1310 | table, used when linking. This is indexed by the symbol index | |
1311 | minus the sh_info field of the symbol table header. */ | |
1312 | struct elf_link_hash_entry **sym_hashes; | |
1313 | ||
5cab59f6 AM |
1314 | /* Track usage and final offsets of GOT entries for local symbols. |
1315 | This array is indexed by symbol index. Elements are used | |
1316 | identically to "got" in struct elf_link_hash_entry. */ | |
252b5132 RH |
1317 | union |
1318 | { | |
1319 | bfd_signed_vma *refcounts; | |
1320 | bfd_vma *offsets; | |
5cab59f6 | 1321 | struct got_entry **ents; |
252b5132 RH |
1322 | } local_got; |
1323 | ||
252b5132 RH |
1324 | /* The linker ELF emulation code needs to let the backend ELF linker |
1325 | know what filename should be used for a dynamic object if the | |
1326 | dynamic object is found using a search. The emulation code then | |
1327 | sometimes needs to know what name was actually used. Until the | |
1328 | file has been added to the linker symbol table, this field holds | |
1329 | the name the linker wants. After it has been added, it holds the | |
1330 | name actually used, which will be the DT_SONAME entry if there is | |
1331 | one. */ | |
1332 | const char *dt_name; | |
1333 | ||
252b5132 RH |
1334 | /* Records the result of `get_program_header_size'. */ |
1335 | bfd_size_type program_header_size; | |
1336 | ||
1337 | /* Used by find_nearest_line entry point. */ | |
c39a58e6 | 1338 | void *line_info; |
252b5132 RH |
1339 | |
1340 | /* Used by MIPS ELF find_nearest_line entry point. The structure | |
1341 | could be included directly in this one, but there's no point to | |
1342 | wasting the memory just for the infrequently called | |
1343 | find_nearest_line. */ | |
1344 | struct mips_elf_find_line *find_line_info; | |
1345 | ||
3e932841 | 1346 | /* A place to stash dwarf1 info for this bfd. */ |
252b5132 RH |
1347 | struct dwarf1_debug *dwarf1_find_line_info; |
1348 | ||
3e932841 | 1349 | /* A place to stash dwarf2 info for this bfd. */ |
c39a58e6 | 1350 | void *dwarf2_find_line_info; |
252b5132 RH |
1351 | |
1352 | /* An array of stub sections indexed by symbol number, used by the | |
1353 | MIPS ELF linker. FIXME: We should figure out some way to only | |
1354 | include this field for a MIPS ELF target. */ | |
1355 | asection **local_stubs; | |
b9d58d71 | 1356 | asection **local_call_stubs; |
252b5132 | 1357 | |
65765700 JJ |
1358 | /* Used to determine if PT_GNU_EH_FRAME segment header should be |
1359 | created. */ | |
126495ed AM |
1360 | asection *eh_frame_hdr; |
1361 | ||
4a43e768 AM |
1362 | Elf_Internal_Shdr **group_sect_ptr; |
1363 | int num_group; | |
65765700 | 1364 | |
252b5132 RH |
1365 | /* Number of symbol version definitions we are about to emit. */ |
1366 | unsigned int cverdefs; | |
1367 | ||
1368 | /* Number of symbol version references we are about to emit. */ | |
1369 | unsigned int cverrefs; | |
1370 | ||
9ee5e499 | 1371 | /* Segment flags for the PT_GNU_STACK segment. */ |
3472e2e9 | 1372 | unsigned int stack_flags; |
9ee5e499 | 1373 | |
8c37241b JJ |
1374 | /* Should the PT_GNU_RELRO segment be emitted? */ |
1375 | bfd_boolean relro; | |
1376 | ||
252b5132 RH |
1377 | /* Symbol version definitions in external objects. */ |
1378 | Elf_Internal_Verdef *verdef; | |
1379 | ||
1380 | /* Symbol version references to external objects. */ | |
1381 | Elf_Internal_Verneed *verref; | |
1382 | ||
b305ef96 UC |
1383 | /* The Irix 5 support uses two virtual sections, which represent |
1384 | text/data symbols defined in dynamic objects. */ | |
1385 | asymbol *elf_data_symbol; | |
1386 | asymbol *elf_text_symbol; | |
1387 | asection *elf_data_section; | |
1388 | asection *elf_text_section; | |
4a43e768 AM |
1389 | |
1390 | /* Whether a dyanmic object was specified normally on the linker | |
1391 | command line, or was specified when --as-needed was in effect, | |
1392 | or was found via a DT_NEEDED entry. */ | |
1393 | enum dynamic_lib_link_class dyn_lib_class; | |
1394 | ||
1395 | /* This is set to TRUE if the object was created by the backend | |
1396 | linker. */ | |
1397 | bfd_boolean linker; | |
1398 | ||
1399 | /* Irix 5 often screws up the symbol table, sorting local symbols | |
1400 | after global symbols. This flag is set if the symbol table in | |
1401 | this BFD appears to be screwed up. If it is, we ignore the | |
1402 | sh_info field in the symbol table header, and always read all the | |
1403 | symbols. */ | |
1404 | bfd_boolean bad_symtab; | |
1405 | ||
1406 | /* Used to determine if the e_flags field has been initialized */ | |
1407 | bfd_boolean flags_init; | |
c0f00686 L |
1408 | |
1409 | /* Symbol buffer. */ | |
1410 | Elf_Internal_Sym *symbuf; | |
252b5132 RH |
1411 | }; |
1412 | ||
1413 | #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data) | |
1414 | #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header) | |
1415 | #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr) | |
9ad5cbcf | 1416 | #define elf_numsections(bfd) (elf_tdata(bfd) -> num_elf_sections) |
252b5132 RH |
1417 | #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr) |
1418 | #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) | |
9ad5cbcf | 1419 | #define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section) |
252b5132 RH |
1420 | #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section) |
1421 | #define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section) | |
1422 | #define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section) | |
1423 | #define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section) | |
1424 | #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals) | |
1425 | #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals) | |
1426 | #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms) | |
4e89ac30 | 1427 | #define elf_num_section_syms(bfd) (elf_tdata(bfd) -> num_section_syms) |
252b5132 RH |
1428 | #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo) |
1429 | #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus) | |
1430 | #define elf_gp(bfd) (elf_tdata(bfd) -> gp) | |
1431 | #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size) | |
1432 | #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes) | |
1433 | #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts) | |
1434 | #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets) | |
5cab59f6 | 1435 | #define elf_local_got_ents(bfd) (elf_tdata(bfd) -> local_got.ents) |
252b5132 | 1436 | #define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name) |
4a43e768 | 1437 | #define elf_dyn_lib_class(bfd) (elf_tdata(bfd) -> dyn_lib_class) |
252b5132 RH |
1438 | #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab) |
1439 | #define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init) | |
252b5132 RH |
1440 | \f |
1441 | extern void _bfd_elf_swap_verdef_in | |
c39a58e6 | 1442 | (bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *); |
252b5132 | 1443 | extern void _bfd_elf_swap_verdef_out |
c39a58e6 | 1444 | (bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *); |
252b5132 | 1445 | extern void _bfd_elf_swap_verdaux_in |
c39a58e6 | 1446 | (bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *); |
252b5132 | 1447 | extern void _bfd_elf_swap_verdaux_out |
c39a58e6 | 1448 | (bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *); |
252b5132 | 1449 | extern void _bfd_elf_swap_verneed_in |
c39a58e6 | 1450 | (bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *); |
252b5132 | 1451 | extern void _bfd_elf_swap_verneed_out |
c39a58e6 | 1452 | (bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *); |
252b5132 | 1453 | extern void _bfd_elf_swap_vernaux_in |
c39a58e6 | 1454 | (bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *); |
252b5132 | 1455 | extern void _bfd_elf_swap_vernaux_out |
c39a58e6 | 1456 | (bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *); |
252b5132 | 1457 | extern void _bfd_elf_swap_versym_in |
c39a58e6 | 1458 | (bfd *, const Elf_External_Versym *, Elf_Internal_Versym *); |
252b5132 | 1459 | extern void _bfd_elf_swap_versym_out |
c39a58e6 | 1460 | (bfd *, const Elf_Internal_Versym *, Elf_External_Versym *); |
252b5132 | 1461 | |
dc810e39 | 1462 | extern int _bfd_elf_section_from_bfd_section |
c39a58e6 | 1463 | (bfd *, asection *); |
252b5132 | 1464 | extern char *bfd_elf_string_from_elf_section |
c39a58e6 | 1465 | (bfd *, unsigned, unsigned); |
dc810e39 | 1466 | extern char *bfd_elf_get_str_section |
c39a58e6 | 1467 | (bfd *, unsigned); |
6cdc0ccc | 1468 | extern Elf_Internal_Sym *bfd_elf_get_elf_syms |
c39a58e6 AM |
1469 | (bfd *, Elf_Internal_Shdr *, size_t, size_t, Elf_Internal_Sym *, void *, |
1470 | Elf_External_Sym_Shndx *); | |
0e2cfdce | 1471 | extern const char *bfd_elf_sym_name |
26c61ae5 | 1472 | (bfd *, Elf_Internal_Shdr *, Elf_Internal_Sym *, asection *); |
252b5132 | 1473 | |
b34976b6 | 1474 | extern bfd_boolean _bfd_elf_copy_private_bfd_data |
c39a58e6 | 1475 | (bfd *, bfd *); |
b34976b6 | 1476 | extern bfd_boolean _bfd_elf_print_private_bfd_data |
c39a58e6 | 1477 | (bfd *, void *); |
dc810e39 | 1478 | extern void bfd_elf_print_symbol |
c39a58e6 | 1479 | (bfd *, void *, asymbol *, bfd_print_symbol_type); |
dc810e39 | 1480 | |
dc810e39 | 1481 | extern void _bfd_elf_sprintf_vma |
c39a58e6 | 1482 | (bfd *, char *, bfd_vma); |
dc810e39 | 1483 | extern void _bfd_elf_fprintf_vma |
c39a58e6 | 1484 | (bfd *, void *, bfd_vma); |
d69bb69b | 1485 | |
8c946ed5 RS |
1486 | extern unsigned int _bfd_elf_eh_frame_address_size |
1487 | (bfd *, asection *); | |
ec3391e7 AO |
1488 | extern bfd_byte _bfd_elf_encode_eh_address |
1489 | (bfd *abfd, struct bfd_link_info *info, asection *osec, bfd_vma offset, | |
1490 | asection *loc_sec, bfd_vma loc_offset, bfd_vma *encoded); | |
1491 | extern bfd_boolean _bfd_elf_can_make_relative | |
1492 | (bfd *input_bfd, struct bfd_link_info *info, asection *eh_frame_section); | |
1493 | ||
dc810e39 | 1494 | extern enum elf_reloc_type_class _bfd_elf_reloc_type_class |
c39a58e6 | 1495 | (const Elf_Internal_Rela *); |
f8df10f4 | 1496 | extern bfd_vma _bfd_elf_rela_local_sym |
8517fae7 | 1497 | (bfd *, Elf_Internal_Sym *, asection **, Elf_Internal_Rela *); |
c629eae0 | 1498 | extern bfd_vma _bfd_elf_rel_local_sym |
c39a58e6 | 1499 | (bfd *, Elf_Internal_Sym *, asection **, bfd_vma); |
c629eae0 | 1500 | extern bfd_vma _bfd_elf_section_offset |
c39a58e6 | 1501 | (bfd *, struct bfd_link_info *, asection *, bfd_vma); |
db6751f2 | 1502 | |
dc810e39 | 1503 | extern unsigned long bfd_elf_hash |
c39a58e6 | 1504 | (const char *); |
fdc90cb4 JJ |
1505 | extern unsigned long bfd_elf_gnu_hash |
1506 | (const char *); | |
252b5132 | 1507 | |
dc810e39 | 1508 | extern bfd_reloc_status_type bfd_elf_generic_reloc |
c39a58e6 | 1509 | (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
b34976b6 | 1510 | extern bfd_boolean bfd_elf_mkobject |
c39a58e6 | 1511 | (bfd *); |
b34976b6 | 1512 | extern bfd_boolean bfd_elf_mkcorefile |
c39a58e6 | 1513 | (bfd *); |
dc810e39 | 1514 | extern Elf_Internal_Shdr *bfd_elf_find_section |
c39a58e6 | 1515 | (bfd *, char *); |
b34976b6 | 1516 | extern bfd_boolean _bfd_elf_make_section_from_shdr |
6dc132d9 | 1517 | (bfd *, Elf_Internal_Shdr *, const char *, int); |
b34976b6 | 1518 | extern bfd_boolean _bfd_elf_make_section_from_phdr |
c39a58e6 | 1519 | (bfd *, Elf_Internal_Phdr *, int, const char *); |
252b5132 | 1520 | extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc |
c39a58e6 | 1521 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
252b5132 | 1522 | extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create |
c39a58e6 | 1523 | (bfd *); |
c61b8717 | 1524 | extern void _bfd_elf_link_hash_copy_indirect |
fcfa13d2 | 1525 | (struct bfd_link_info *, struct elf_link_hash_entry *, |
c39a58e6 | 1526 | struct elf_link_hash_entry *); |
c61b8717 | 1527 | extern void _bfd_elf_link_hash_hide_symbol |
c39a58e6 | 1528 | (struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean); |
508c3946 L |
1529 | extern bfd_boolean _bfd_elf_link_hash_fixup_symbol |
1530 | (struct bfd_link_info *, struct elf_link_hash_entry *); | |
b34976b6 | 1531 | extern bfd_boolean _bfd_elf_link_hash_table_init |
c39a58e6 AM |
1532 | (struct elf_link_hash_table *, bfd *, |
1533 | struct bfd_hash_entry *(*) | |
66eb6687 AM |
1534 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *), |
1535 | unsigned int); | |
b34976b6 | 1536 | extern bfd_boolean _bfd_elf_slurp_version_tables |
fc0e6df6 | 1537 | (bfd *, bfd_boolean); |
b34976b6 | 1538 | extern bfd_boolean _bfd_elf_merge_sections |
c39a58e6 | 1539 | (bfd *, struct bfd_link_info *); |
ecca9871 L |
1540 | extern bfd_boolean _bfd_elf_match_sections_by_type |
1541 | (bfd *, const asection *, bfd *, const asection *); | |
72adc230 AM |
1542 | extern bfd_boolean bfd_elf_is_group_section |
1543 | (bfd *, const struct bfd_section *); | |
082b7297 | 1544 | extern void _bfd_elf_section_already_linked |
c0f00686 | 1545 | (bfd *, struct bfd_section *, struct bfd_link_info *); |
1126897b | 1546 | extern void bfd_elf_set_group_contents |
c39a58e6 | 1547 | (bfd *, asection *, void *); |
01b3c8ab | 1548 | extern asection *_bfd_elf_check_kept_section |
c0f00686 | 1549 | (asection *, struct bfd_link_info *); |
2d653fc7 | 1550 | extern void _bfd_elf_link_just_syms |
c39a58e6 | 1551 | (asection *, struct bfd_link_info *); |
80fccad2 BW |
1552 | extern bfd_boolean _bfd_elf_copy_private_header_data |
1553 | (bfd *, bfd *); | |
b34976b6 | 1554 | extern bfd_boolean _bfd_elf_copy_private_symbol_data |
c39a58e6 | 1555 | (bfd *, asymbol *, bfd *, asymbol *); |
ccd2ec6a L |
1556 | #define _bfd_generic_init_private_section_data \ |
1557 | _bfd_elf_init_private_section_data | |
1558 | extern bfd_boolean _bfd_elf_init_private_section_data | |
1559 | (bfd *, asection *, bfd *, asection *, struct bfd_link_info *); | |
b34976b6 | 1560 | extern bfd_boolean _bfd_elf_copy_private_section_data |
c39a58e6 | 1561 | (bfd *, asection *, bfd *, asection *); |
b34976b6 | 1562 | extern bfd_boolean _bfd_elf_write_object_contents |
c39a58e6 | 1563 | (bfd *); |
b34976b6 | 1564 | extern bfd_boolean _bfd_elf_write_corefile_contents |
c39a58e6 | 1565 | (bfd *); |
b34976b6 | 1566 | extern bfd_boolean _bfd_elf_set_section_contents |
0f867abe | 1567 | (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type); |
dc810e39 | 1568 | extern long _bfd_elf_get_symtab_upper_bound |
c39a58e6 | 1569 | (bfd *); |
6cee3f79 | 1570 | extern long _bfd_elf_canonicalize_symtab |
c39a58e6 | 1571 | (bfd *, asymbol **); |
dc810e39 | 1572 | extern long _bfd_elf_get_dynamic_symtab_upper_bound |
c39a58e6 | 1573 | (bfd *); |
dc810e39 | 1574 | extern long _bfd_elf_canonicalize_dynamic_symtab |
c39a58e6 | 1575 | (bfd *, asymbol **); |
4c45e5c9 | 1576 | extern long _bfd_elf_get_synthetic_symtab |
c9727e01 | 1577 | (bfd *, long, asymbol **, long, asymbol **, asymbol **); |
dc810e39 | 1578 | extern long _bfd_elf_get_reloc_upper_bound |
c39a58e6 | 1579 | (bfd *, sec_ptr); |
dc810e39 | 1580 | extern long _bfd_elf_canonicalize_reloc |
c39a58e6 | 1581 | (bfd *, sec_ptr, arelent **, asymbol **); |
dc810e39 | 1582 | extern long _bfd_elf_get_dynamic_reloc_upper_bound |
c39a58e6 | 1583 | (bfd *); |
dc810e39 | 1584 | extern long _bfd_elf_canonicalize_dynamic_reloc |
c39a58e6 | 1585 | (bfd *, arelent **, asymbol **); |
dc810e39 | 1586 | extern asymbol *_bfd_elf_make_empty_symbol |
c39a58e6 | 1587 | (bfd *); |
dc810e39 | 1588 | extern void _bfd_elf_get_symbol_info |
c39a58e6 | 1589 | (bfd *, asymbol *, symbol_info *); |
b34976b6 | 1590 | extern bfd_boolean _bfd_elf_is_local_label_name |
c39a58e6 | 1591 | (bfd *, const char *); |
dc810e39 | 1592 | extern alent *_bfd_elf_get_lineno |
c39a58e6 | 1593 | (bfd *, asymbol *); |
b34976b6 | 1594 | extern bfd_boolean _bfd_elf_set_arch_mach |
c39a58e6 | 1595 | (bfd *, enum bfd_architecture, unsigned long); |
b34976b6 | 1596 | extern bfd_boolean _bfd_elf_find_nearest_line |
c39a58e6 AM |
1597 | (bfd *, asection *, asymbol **, bfd_vma, const char **, const char **, |
1598 | unsigned int *); | |
5420f73d L |
1599 | extern bfd_boolean _bfd_elf_find_line |
1600 | (bfd *, asymbol **, asymbol *, const char **, unsigned int *); | |
1601 | #define _bfd_generic_find_line _bfd_elf_find_line | |
4ab527b0 FF |
1602 | extern bfd_boolean _bfd_elf_find_inliner_info |
1603 | (bfd *, const char **, const char **, unsigned int *); | |
252b5132 RH |
1604 | #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols |
1605 | #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
dc810e39 | 1606 | extern int _bfd_elf_sizeof_headers |
a6b96beb | 1607 | (bfd *, struct bfd_link_info *); |
b34976b6 | 1608 | extern bfd_boolean _bfd_elf_new_section_hook |
c39a58e6 | 1609 | (bfd *, asection *); |
b34976b6 | 1610 | extern bfd_boolean _bfd_elf_init_reloc_shdr |
c39a58e6 | 1611 | (bfd *, Elf_Internal_Shdr *, asection *, bfd_boolean); |
551b43fd AM |
1612 | extern const struct bfd_elf_special_section *_bfd_elf_get_special_section |
1613 | (const char *, const struct bfd_elf_special_section *, unsigned int); | |
7dcb9820 | 1614 | extern const struct bfd_elf_special_section *_bfd_elf_get_sec_type_attr |
551b43fd | 1615 | (bfd *, asection *); |
252b5132 RH |
1616 | |
1617 | /* If the target doesn't have reloc handling written yet: */ | |
dc810e39 | 1618 | extern void _bfd_elf_no_info_to_howto |
c39a58e6 | 1619 | (bfd *, arelent *, Elf_Internal_Rela *); |
dc810e39 | 1620 | |
b34976b6 | 1621 | extern bfd_boolean bfd_section_from_shdr |
c39a58e6 | 1622 | (bfd *, unsigned int shindex); |
b34976b6 | 1623 | extern bfd_boolean bfd_section_from_phdr |
c39a58e6 | 1624 | (bfd *, Elf_Internal_Phdr *, int); |
dc810e39 AM |
1625 | |
1626 | extern int _bfd_elf_symbol_from_bfd_symbol | |
c39a58e6 | 1627 | (bfd *, asymbol **); |
dc810e39 | 1628 | |
ec338859 | 1629 | extern asection *bfd_section_from_r_symndx |
c39a58e6 | 1630 | (bfd *, struct sym_sec_cache *, asection *, unsigned long); |
dc810e39 | 1631 | extern asection *bfd_section_from_elf_index |
c39a58e6 | 1632 | (bfd *, unsigned int); |
dc810e39 | 1633 | extern struct bfd_strtab_hash *_bfd_elf_stringtab_init |
c39a58e6 | 1634 | (void); |
2b0f7ef9 JJ |
1635 | |
1636 | extern struct elf_strtab_hash * _bfd_elf_strtab_init | |
c39a58e6 | 1637 | (void); |
2b0f7ef9 | 1638 | extern void _bfd_elf_strtab_free |
c39a58e6 | 1639 | (struct elf_strtab_hash *); |
2b0f7ef9 | 1640 | extern bfd_size_type _bfd_elf_strtab_add |
c39a58e6 | 1641 | (struct elf_strtab_hash *, const char *, bfd_boolean); |
2b0f7ef9 | 1642 | extern void _bfd_elf_strtab_addref |
c39a58e6 | 1643 | (struct elf_strtab_hash *, bfd_size_type); |
2b0f7ef9 | 1644 | extern void _bfd_elf_strtab_delref |
c39a58e6 | 1645 | (struct elf_strtab_hash *, bfd_size_type); |
2b0f7ef9 | 1646 | extern void _bfd_elf_strtab_clear_all_refs |
c39a58e6 | 1647 | (struct elf_strtab_hash *); |
2b0f7ef9 | 1648 | extern bfd_size_type _bfd_elf_strtab_size |
c39a58e6 | 1649 | (struct elf_strtab_hash *); |
2b0f7ef9 | 1650 | extern bfd_size_type _bfd_elf_strtab_offset |
c39a58e6 | 1651 | (struct elf_strtab_hash *, bfd_size_type); |
b34976b6 | 1652 | extern bfd_boolean _bfd_elf_strtab_emit |
c39a58e6 | 1653 | (bfd *, struct elf_strtab_hash *); |
2b0f7ef9 | 1654 | extern void _bfd_elf_strtab_finalize |
c39a58e6 | 1655 | (struct elf_strtab_hash *); |
2b0f7ef9 | 1656 | |
b34976b6 | 1657 | extern bfd_boolean _bfd_elf_discard_section_eh_frame |
c39a58e6 AM |
1658 | (bfd *, struct bfd_link_info *, asection *, |
1659 | bfd_boolean (*) (bfd_vma, void *), struct elf_reloc_cookie *); | |
b34976b6 | 1660 | extern bfd_boolean _bfd_elf_discard_section_eh_frame_hdr |
c39a58e6 | 1661 | (bfd *, struct bfd_link_info *); |
65765700 | 1662 | extern bfd_vma _bfd_elf_eh_frame_section_offset |
92e4ec35 | 1663 | (bfd *, struct bfd_link_info *, asection *, bfd_vma); |
b34976b6 | 1664 | extern bfd_boolean _bfd_elf_write_section_eh_frame |
c39a58e6 | 1665 | (bfd *, struct bfd_link_info *, asection *, bfd_byte *); |
b34976b6 | 1666 | extern bfd_boolean _bfd_elf_write_section_eh_frame_hdr |
c39a58e6 | 1667 | (bfd *, struct bfd_link_info *); |
b34976b6 | 1668 | extern bfd_boolean _bfd_elf_maybe_strip_eh_frame_hdr |
c39a58e6 | 1669 | (struct bfd_link_info *); |
65765700 | 1670 | |
45d6a902 | 1671 | extern bfd_boolean _bfd_elf_merge_symbol |
c39a58e6 | 1672 | (bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *, |
af44c138 L |
1673 | asection **, bfd_vma *, unsigned int *, |
1674 | struct elf_link_hash_entry **, bfd_boolean *, | |
0f8a2703 | 1675 | bfd_boolean *, bfd_boolean *, bfd_boolean *); |
45d6a902 | 1676 | |
fdc90cb4 JJ |
1677 | extern bfd_boolean _bfd_elf_hash_symbol (struct elf_link_hash_entry *); |
1678 | ||
45d6a902 | 1679 | extern bfd_boolean _bfd_elf_add_default_symbol |
c39a58e6 AM |
1680 | (bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, |
1681 | const char *, Elf_Internal_Sym *, asection **, bfd_vma *, | |
0f8a2703 | 1682 | bfd_boolean *, bfd_boolean); |
45d6a902 AM |
1683 | |
1684 | extern bfd_boolean _bfd_elf_export_symbol | |
c39a58e6 | 1685 | (struct elf_link_hash_entry *, void *); |
45d6a902 AM |
1686 | |
1687 | extern bfd_boolean _bfd_elf_link_find_version_dependencies | |
c39a58e6 | 1688 | (struct elf_link_hash_entry *, void *); |
45d6a902 AM |
1689 | |
1690 | extern bfd_boolean _bfd_elf_link_assign_sym_version | |
c39a58e6 | 1691 | (struct elf_link_hash_entry *, void *); |
45d6a902 | 1692 | |
dc810e39 | 1693 | extern long _bfd_elf_link_lookup_local_dynindx |
c39a58e6 | 1694 | (struct bfd_link_info *, bfd *, long); |
b34976b6 | 1695 | extern bfd_boolean _bfd_elf_compute_section_file_positions |
c39a58e6 | 1696 | (bfd *, struct bfd_link_info *); |
dc810e39 | 1697 | extern void _bfd_elf_assign_file_positions_for_relocs |
c39a58e6 | 1698 | (bfd *); |
dc810e39 | 1699 | extern file_ptr _bfd_elf_assign_file_position_for_section |
c39a58e6 | 1700 | (Elf_Internal_Shdr *, file_ptr, bfd_boolean); |
dc810e39 | 1701 | |
b34976b6 | 1702 | extern bfd_boolean _bfd_elf_validate_reloc |
c39a58e6 | 1703 | (bfd *, arelent *); |
dc810e39 | 1704 | |
45d6a902 | 1705 | extern bfd_boolean _bfd_elf_link_create_dynamic_sections |
c39a58e6 | 1706 | (bfd *, struct bfd_link_info *); |
aee6f5b4 AO |
1707 | extern bfd_boolean _bfd_elf_link_omit_section_dynsym |
1708 | (bfd *, struct bfd_link_info *, asection *); | |
b34976b6 | 1709 | extern bfd_boolean _bfd_elf_create_dynamic_sections |
c39a58e6 | 1710 | (bfd *, struct bfd_link_info *); |
b34976b6 | 1711 | extern bfd_boolean _bfd_elf_create_got_section |
c39a58e6 | 1712 | (bfd *, struct bfd_link_info *); |
d98685ac AM |
1713 | extern struct elf_link_hash_entry *_bfd_elf_define_linkage_sym |
1714 | (bfd *, struct bfd_link_info *, asection *, const char *); | |
74541ad4 AM |
1715 | extern void _bfd_elf_init_1_index_section |
1716 | (bfd *, struct bfd_link_info *); | |
1717 | extern void _bfd_elf_init_2_index_sections | |
1718 | (bfd *, struct bfd_link_info *); | |
dc810e39 | 1719 | |
b34976b6 | 1720 | extern bfd_boolean _bfd_elfcore_make_pseudosection |
c39a58e6 | 1721 | (bfd *, char *, size_t, ufile_ptr); |
dc810e39 | 1722 | extern char *_bfd_elfcore_strndup |
c39a58e6 | 1723 | (bfd *, char *, size_t); |
dc810e39 | 1724 | |
45d6a902 | 1725 | extern Elf_Internal_Rela *_bfd_elf_link_read_relocs |
c39a58e6 | 1726 | (bfd *, asection *, void *, Elf_Internal_Rela *, bfd_boolean); |
45d6a902 AM |
1727 | |
1728 | extern bfd_boolean _bfd_elf_link_size_reloc_section | |
c39a58e6 | 1729 | (bfd *, Elf_Internal_Shdr *, asection *); |
45d6a902 AM |
1730 | |
1731 | extern bfd_boolean _bfd_elf_link_output_relocs | |
eac338cf PB |
1732 | (bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *, |
1733 | struct elf_link_hash_entry **); | |
45d6a902 AM |
1734 | |
1735 | extern bfd_boolean _bfd_elf_fix_symbol_flags | |
c39a58e6 | 1736 | (struct elf_link_hash_entry *, struct elf_info_failed *); |
45d6a902 AM |
1737 | |
1738 | extern bfd_boolean _bfd_elf_adjust_dynamic_symbol | |
c39a58e6 | 1739 | (struct elf_link_hash_entry *, void *); |
45d6a902 AM |
1740 | |
1741 | extern bfd_boolean _bfd_elf_link_sec_merge_syms | |
c39a58e6 | 1742 | (struct elf_link_hash_entry *, void *); |
45d6a902 | 1743 | |
986a241f | 1744 | extern bfd_boolean _bfd_elf_dynamic_symbol_p |
c39a58e6 | 1745 | (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean); |
f6c52c13 AM |
1746 | |
1747 | extern bfd_boolean _bfd_elf_symbol_refs_local_p | |
c39a58e6 | 1748 | (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean); |
986a241f | 1749 | |
3d7f7666 | 1750 | extern bfd_boolean bfd_elf_match_symbols_in_sections |
c0f00686 | 1751 | (asection *, asection *, struct bfd_link_info *); |
3d7f7666 | 1752 | |
dd863624 | 1753 | extern bfd_boolean _bfd_elf_setup_sections |
3d7f7666 L |
1754 | (bfd *); |
1755 | ||
dc810e39 | 1756 | extern const bfd_target *bfd_elf32_object_p |
c39a58e6 | 1757 | (bfd *); |
dc810e39 | 1758 | extern const bfd_target *bfd_elf32_core_file_p |
c39a58e6 | 1759 | (bfd *); |
dc810e39 | 1760 | extern char *bfd_elf32_core_file_failing_command |
c39a58e6 | 1761 | (bfd *); |
dc810e39 | 1762 | extern int bfd_elf32_core_file_failing_signal |
c39a58e6 | 1763 | (bfd *); |
b34976b6 | 1764 | extern bfd_boolean bfd_elf32_core_file_matches_executable_p |
c39a58e6 | 1765 | (bfd *, bfd *); |
252b5132 | 1766 | |
8384fb8f | 1767 | extern bfd_boolean bfd_elf32_swap_symbol_in |
c39a58e6 | 1768 | (bfd *, const void *, const void *, Elf_Internal_Sym *); |
252b5132 | 1769 | extern void bfd_elf32_swap_symbol_out |
c39a58e6 | 1770 | (bfd *, const Elf_Internal_Sym *, void *, void *); |
252b5132 | 1771 | extern void bfd_elf32_swap_reloc_in |
c39a58e6 | 1772 | (bfd *, const bfd_byte *, Elf_Internal_Rela *); |
252b5132 | 1773 | extern void bfd_elf32_swap_reloc_out |
c39a58e6 | 1774 | (bfd *, const Elf_Internal_Rela *, bfd_byte *); |
252b5132 | 1775 | extern void bfd_elf32_swap_reloca_in |
c39a58e6 | 1776 | (bfd *, const bfd_byte *, Elf_Internal_Rela *); |
252b5132 | 1777 | extern void bfd_elf32_swap_reloca_out |
c39a58e6 | 1778 | (bfd *, const Elf_Internal_Rela *, bfd_byte *); |
252b5132 | 1779 | extern void bfd_elf32_swap_phdr_in |
c39a58e6 | 1780 | (bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *); |
252b5132 | 1781 | extern void bfd_elf32_swap_phdr_out |
c39a58e6 | 1782 | (bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *); |
252b5132 | 1783 | extern void bfd_elf32_swap_dyn_in |
c39a58e6 | 1784 | (bfd *, const void *, Elf_Internal_Dyn *); |
252b5132 | 1785 | extern void bfd_elf32_swap_dyn_out |
c39a58e6 | 1786 | (bfd *, const Elf_Internal_Dyn *, void *); |
252b5132 | 1787 | extern long bfd_elf32_slurp_symbol_table |
c39a58e6 | 1788 | (bfd *, asymbol **, bfd_boolean); |
b34976b6 | 1789 | extern bfd_boolean bfd_elf32_write_shdrs_and_ehdr |
c39a58e6 | 1790 | (bfd *); |
252b5132 | 1791 | extern int bfd_elf32_write_out_phdrs |
c39a58e6 | 1792 | (bfd *, const Elf_Internal_Phdr *, unsigned int); |
b9f66672 | 1793 | extern void bfd_elf32_write_relocs |
c39a58e6 | 1794 | (bfd *, asection *, void *); |
b34976b6 | 1795 | extern bfd_boolean bfd_elf32_slurp_reloc_table |
c39a58e6 | 1796 | (bfd *, asection *, asymbol **, bfd_boolean); |
252b5132 | 1797 | |
dc810e39 | 1798 | extern const bfd_target *bfd_elf64_object_p |
c39a58e6 | 1799 | (bfd *); |
dc810e39 | 1800 | extern const bfd_target *bfd_elf64_core_file_p |
c39a58e6 | 1801 | (bfd *); |
dc810e39 | 1802 | extern char *bfd_elf64_core_file_failing_command |
c39a58e6 | 1803 | (bfd *); |
dc810e39 | 1804 | extern int bfd_elf64_core_file_failing_signal |
c39a58e6 | 1805 | (bfd *); |
b34976b6 | 1806 | extern bfd_boolean bfd_elf64_core_file_matches_executable_p |
c39a58e6 | 1807 | (bfd *, bfd *); |
252b5132 | 1808 | |
8384fb8f | 1809 | extern bfd_boolean bfd_elf64_swap_symbol_in |
c39a58e6 | 1810 | (bfd *, const void *, const void *, Elf_Internal_Sym *); |
252b5132 | 1811 | extern void bfd_elf64_swap_symbol_out |
c39a58e6 | 1812 | (bfd *, const Elf_Internal_Sym *, void *, void *); |
252b5132 | 1813 | extern void bfd_elf64_swap_reloc_in |
c39a58e6 | 1814 | (bfd *, const bfd_byte *, Elf_Internal_Rela *); |
252b5132 | 1815 | extern void bfd_elf64_swap_reloc_out |
c39a58e6 | 1816 | (bfd *, const Elf_Internal_Rela *, bfd_byte *); |
252b5132 | 1817 | extern void bfd_elf64_swap_reloca_in |
c39a58e6 | 1818 | (bfd *, const bfd_byte *, Elf_Internal_Rela *); |
252b5132 | 1819 | extern void bfd_elf64_swap_reloca_out |
c39a58e6 | 1820 | (bfd *, const Elf_Internal_Rela *, bfd_byte *); |
252b5132 | 1821 | extern void bfd_elf64_swap_phdr_in |
c39a58e6 | 1822 | (bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *); |
252b5132 | 1823 | extern void bfd_elf64_swap_phdr_out |
c39a58e6 | 1824 | (bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *); |
252b5132 | 1825 | extern void bfd_elf64_swap_dyn_in |
c39a58e6 | 1826 | (bfd *, const void *, Elf_Internal_Dyn *); |
252b5132 | 1827 | extern void bfd_elf64_swap_dyn_out |
c39a58e6 | 1828 | (bfd *, const Elf_Internal_Dyn *, void *); |
252b5132 | 1829 | extern long bfd_elf64_slurp_symbol_table |
c39a58e6 | 1830 | (bfd *, asymbol **, bfd_boolean); |
b34976b6 | 1831 | extern bfd_boolean bfd_elf64_write_shdrs_and_ehdr |
c39a58e6 | 1832 | (bfd *); |
252b5132 | 1833 | extern int bfd_elf64_write_out_phdrs |
c39a58e6 | 1834 | (bfd *, const Elf_Internal_Phdr *, unsigned int); |
b9f66672 | 1835 | extern void bfd_elf64_write_relocs |
c39a58e6 | 1836 | (bfd *, asection *, void *); |
b34976b6 | 1837 | extern bfd_boolean bfd_elf64_slurp_reloc_table |
c39a58e6 | 1838 | (bfd *, asection *, asymbol **, bfd_boolean); |
5a580b3a | 1839 | |
8387904d AM |
1840 | extern struct elf_link_hash_entry *_bfd_elf_archive_symbol_lookup |
1841 | (bfd *, struct bfd_link_info *, const char *); | |
4ad4eba5 AM |
1842 | extern bfd_boolean bfd_elf_link_add_symbols |
1843 | (bfd *, struct bfd_link_info *); | |
5a580b3a | 1844 | extern bfd_boolean _bfd_elf_add_dynamic_entry |
c39a58e6 | 1845 | (struct bfd_link_info *, bfd_vma, bfd_vma); |
252b5132 | 1846 | |
c152c796 AM |
1847 | extern bfd_boolean bfd_elf_link_record_dynamic_symbol |
1848 | (struct bfd_link_info *, struct elf_link_hash_entry *); | |
30b30c21 | 1849 | |
c152c796 | 1850 | extern int bfd_elf_link_record_local_dynamic_symbol |
c39a58e6 | 1851 | (struct bfd_link_info *, bfd *, long); |
252b5132 | 1852 | |
55255dae L |
1853 | extern void bfd_elf_link_mark_dynamic_symbol |
1854 | (struct bfd_link_info *, struct elf_link_hash_entry *); | |
1855 | ||
b34976b6 | 1856 | extern bfd_boolean _bfd_elf_close_and_cleanup |
c39a58e6 | 1857 | (bfd *); |
35330cce | 1858 | |
a4d8e49b L |
1859 | extern bfd_boolean _bfd_elf_common_definition |
1860 | (Elf_Internal_Sym *); | |
1861 | ||
1862 | extern unsigned int _bfd_elf_common_section_index | |
1863 | (asection *); | |
1864 | ||
1865 | extern asection *_bfd_elf_common_section | |
1866 | (asection *); | |
1867 | ||
35330cce NC |
1868 | extern void _bfd_dwarf2_cleanup_debug_info |
1869 | (bfd *); | |
1870 | ||
252b5132 | 1871 | extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn |
fc0a2244 | 1872 | (bfd *, arelent *, struct bfd_symbol *, void *, |
c39a58e6 | 1873 | asection *, bfd *, char **); |
252b5132 | 1874 | |
c152c796 | 1875 | extern bfd_boolean bfd_elf_final_link |
c39a58e6 | 1876 | (bfd *, struct bfd_link_info *); |
c152c796 | 1877 | |
64d03ab5 AM |
1878 | extern bfd_boolean bfd_elf_gc_mark_dynamic_ref_symbol |
1879 | (struct elf_link_hash_entry *h, void *inf); | |
1880 | ||
c152c796 | 1881 | extern bfd_boolean bfd_elf_gc_sections |
c39a58e6 | 1882 | (bfd *, struct bfd_link_info *); |
c152c796 AM |
1883 | |
1884 | extern bfd_boolean bfd_elf_gc_record_vtinherit | |
c39a58e6 | 1885 | (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma); |
c152c796 AM |
1886 | |
1887 | extern bfd_boolean bfd_elf_gc_record_vtentry | |
c39a58e6 | 1888 | (bfd *, asection *, struct elf_link_hash_entry *, bfd_vma); |
252b5132 | 1889 | |
07adf181 AM |
1890 | extern asection *_bfd_elf_gc_mark_hook |
1891 | (asection *, struct bfd_link_info *, Elf_Internal_Rela *, | |
1892 | struct elf_link_hash_entry *, Elf_Internal_Sym *); | |
1893 | ||
ccfa59ea AM |
1894 | extern bfd_boolean _bfd_elf_gc_mark |
1895 | (struct bfd_link_info *, asection *, | |
1896 | asection * (*) (asection *, struct bfd_link_info *, Elf_Internal_Rela *, | |
1897 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); | |
1898 | ||
c152c796 | 1899 | extern bfd_boolean bfd_elf_gc_common_finalize_got_offsets |
c39a58e6 | 1900 | (bfd *, struct bfd_link_info *); |
c152c796 AM |
1901 | |
1902 | extern bfd_boolean bfd_elf_gc_common_final_link | |
c39a58e6 | 1903 | (bfd *, struct bfd_link_info *); |
252b5132 | 1904 | |
c152c796 | 1905 | extern bfd_boolean bfd_elf_reloc_symbol_deleted_p |
c39a58e6 | 1906 | (bfd_vma, void *); |
73d074b4 | 1907 | |
8ded5a0f | 1908 | extern struct elf_segment_map * _bfd_elf_make_dynamic_segment |
229fcec5 MM |
1909 | (bfd *, asection *); |
1910 | ||
8ded5a0f AM |
1911 | extern bfd_boolean _bfd_elf_map_sections_to_segments |
1912 | (bfd *, struct bfd_link_info *); | |
1913 | ||
7c76fa91 | 1914 | /* Exported interface for writing elf corefile notes. */ |
d4c88bbb | 1915 | extern char *elfcore_write_note |
c39a58e6 | 1916 | (bfd *, char *, int *, const char *, int, const void *, int); |
d4c88bbb | 1917 | extern char *elfcore_write_prpsinfo |
c39a58e6 | 1918 | (bfd *, char *, int *, const char *, const char *); |
d4c88bbb | 1919 | extern char *elfcore_write_prstatus |
c39a58e6 | 1920 | (bfd *, char *, int *, long, int, const void *); |
d4c88bbb | 1921 | extern char * elfcore_write_pstatus |
c39a58e6 | 1922 | (bfd *, char *, int *, long, int, const void *); |
d4c88bbb | 1923 | extern char *elfcore_write_prfpreg |
c39a58e6 | 1924 | (bfd *, char *, int *, const void *, int); |
d4c88bbb | 1925 | extern char *elfcore_write_prxfpreg |
c39a58e6 | 1926 | (bfd *, char *, int *, const void *, int); |
d4c88bbb | 1927 | extern char *elfcore_write_lwpstatus |
c39a58e6 | 1928 | (bfd *, char *, int *, long, int, const void *); |
7c76fa91 | 1929 | |
8d6337fe | 1930 | extern bfd *_bfd_elf32_bfd_from_remote_memory |
c39a58e6 | 1931 | (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, |
f075ee0c | 1932 | int (*target_read_memory) (bfd_vma, bfd_byte *, int)); |
8d6337fe | 1933 | extern bfd *_bfd_elf64_bfd_from_remote_memory |
c39a58e6 | 1934 | (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, |
f075ee0c | 1935 | int (*target_read_memory) (bfd_vma, bfd_byte *, int)); |
8d6337fe | 1936 | |
3b22753a L |
1937 | /* Large common section. */ |
1938 | extern asection _bfd_elf_large_com_section; | |
1939 | ||
d4845d57 JR |
1940 | /* SH ELF specific routine. */ |
1941 | ||
b34976b6 | 1942 | extern bfd_boolean _sh_elf_set_mach_from_flags |
c39a58e6 | 1943 | (bfd *); |
d4845d57 | 1944 | |
c152c796 AM |
1945 | /* This is the condition under which finish_dynamic_symbol will be called. |
1946 | If our finish_dynamic_symbol isn't called, we'll need to do something | |
1947 | about initializing any .plt and .got entries in relocate_section. */ | |
1948 | #define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, SHARED, H) \ | |
1949 | ((DYN) \ | |
f5385ebf AM |
1950 | && ((SHARED) || !(H)->forced_local) \ |
1951 | && ((H)->dynindx != -1 || (H)->forced_local)) | |
c152c796 | 1952 | |
560e09e9 NC |
1953 | /* This macro is to avoid lots of duplicated code in the body |
1954 | of xxx_relocate_section() in the various elfxx-xxxx.c files. */ | |
b2a8e766 AM |
1955 | #define RELOC_FOR_GLOBAL_SYMBOL(info, input_bfd, input_section, rel, \ |
1956 | r_symndx, symtab_hdr, sym_hashes, \ | |
1957 | h, sec, relocation, \ | |
1958 | unresolved_reloc, warned) \ | |
1959 | do \ | |
1960 | { \ | |
1961 | /* It seems this can happen with erroneous or unsupported \ | |
1962 | input (mixing a.out and elf in an archive, for example.) */ \ | |
1963 | if (sym_hashes == NULL) \ | |
1964 | return FALSE; \ | |
1965 | \ | |
1966 | h = sym_hashes[r_symndx - symtab_hdr->sh_info]; \ | |
1967 | \ | |
1968 | while (h->root.type == bfd_link_hash_indirect \ | |
1969 | || h->root.type == bfd_link_hash_warning) \ | |
1970 | h = (struct elf_link_hash_entry *) h->root.u.i.link; \ | |
1971 | \ | |
1972 | warned = FALSE; \ | |
1973 | unresolved_reloc = FALSE; \ | |
1974 | relocation = 0; \ | |
1975 | if (h->root.type == bfd_link_hash_defined \ | |
1976 | || h->root.type == bfd_link_hash_defweak) \ | |
1977 | { \ | |
1978 | sec = h->root.u.def.section; \ | |
1979 | if (sec == NULL \ | |
1980 | || sec->output_section == NULL) \ | |
1981 | /* Set a flag that will be cleared later if we find a \ | |
1982 | relocation value for this symbol. output_section \ | |
1983 | is typically NULL for symbols satisfied by a shared \ | |
1984 | library. */ \ | |
1985 | unresolved_reloc = TRUE; \ | |
1986 | else \ | |
1987 | relocation = (h->root.u.def.value \ | |
1988 | + sec->output_section->vma \ | |
1989 | + sec->output_offset); \ | |
1990 | } \ | |
1991 | else if (h->root.type == bfd_link_hash_undefweak) \ | |
1992 | ; \ | |
1993 | else if (info->unresolved_syms_in_objects == RM_IGNORE \ | |
1994 | && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) \ | |
1995 | ; \ | |
1996 | else \ | |
1997 | { \ | |
5a580b3a AM |
1998 | bfd_boolean err; \ |
1999 | err = (info->unresolved_syms_in_objects == RM_GENERATE_ERROR \ | |
2000 | || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT); \ | |
2001 | if (!info->callbacks->undefined_symbol (info, \ | |
2002 | h->root.root.string, \ | |
2003 | input_bfd, \ | |
2004 | input_section, \ | |
2005 | rel->r_offset, err)) \ | |
b2a8e766 AM |
2006 | return FALSE; \ |
2007 | warned = TRUE; \ | |
2008 | } \ | |
2009 | } \ | |
560e09e9 NC |
2010 | while (0) |
2011 | ||
55255dae L |
2012 | /* Will a symbol be bound to the the definition within the shared |
2013 | library, if any. */ | |
2014 | #define SYMBOLIC_BIND(INFO, H) \ | |
2015 | ((INFO)->symbolic || ((INFO)->dynamic && !(H)->dynamic)) | |
2016 | ||
252b5132 | 2017 | #endif /* _LIBELF_H_ */ |