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252b5132 | 1 | /* BFD back-end data structures for ELF files. |
7898deda NC |
2 | Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
3 | Free Software Foundation, Inc. | |
252b5132 RH |
4 | Written by Cygnus Support. |
5 | ||
6 | This file is part of BFD, the Binary File Descriptor library. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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 | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
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 NC |
30 | /* The number of entries in a section is its size divided by the size |
31 | of a single entry. This is normally only applicaable to reloc and | |
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 | |
37 | #if ARCH_SIZE==64 | |
38 | #define NAME(x,y) CAT4(x,64,_,y) | |
39 | #endif | |
40 | #if ARCH_SIZE==32 | |
41 | #define NAME(x,y) CAT4(x,32,_,y) | |
42 | #endif | |
43 | #endif | |
44 | ||
45 | #ifndef NAME | |
46 | #define NAME(x,y) CAT4(x,NOSIZE,_,y) | |
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; | |
67 | PTR mips_extr; | |
68 | PTR any; | |
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 | |
79 | /* ELF linker hash table entries. */ | |
80 | ||
81 | struct elf_link_hash_entry | |
82 | { | |
83 | struct bfd_link_hash_entry root; | |
84 | ||
85 | /* Symbol index in output file. This is initialized to -1. It is | |
86 | set to -2 if the symbol is used by a reloc. */ | |
87 | long indx; | |
88 | ||
89 | /* Symbol size. */ | |
90 | bfd_size_type size; | |
91 | ||
92 | /* Symbol index as a dynamic symbol. Initialized to -1, and remains | |
93 | -1 if this is not a dynamic symbol. */ | |
30b30c21 RH |
94 | /* ??? Note that this is consistently used as a synonym for tests |
95 | against whether we can perform various simplifying transformations | |
96 | to the code. (E.g. changing a pc-relative jump to a PLT entry | |
97 | into a pc-relative jump to the target function.) That test, which | |
98 | is often relatively complex, and someplaces wrong or incomplete, | |
99 | should really be replaced by a predicate in elflink.c. | |
100 | ||
101 | End result: this field -1 does not indicate that the symbol is | |
102 | not in the dynamic symbol table, but rather that the symbol is | |
103 | not visible outside this DSO. */ | |
252b5132 RH |
104 | long dynindx; |
105 | ||
106 | /* String table index in .dynstr if this is a dynamic symbol. */ | |
107 | unsigned long dynstr_index; | |
108 | ||
109 | /* If this is a weak defined symbol from a dynamic object, this | |
110 | field points to a defined symbol with the same value, if there is | |
111 | one. Otherwise it is NULL. */ | |
112 | struct elf_link_hash_entry *weakdef; | |
113 | ||
114 | /* If this symbol requires an entry in the global offset table, the | |
115 | processor specific backend uses this field to track usage and | |
116 | final offset. We use a union and two names primarily to document | |
117 | the intent of any particular piece of code. The field should be | |
118 | used as a count until size_dynamic_sections, at which point the | |
119 | contents of the .got is fixed. Afterward, if this field is -1, | |
120 | then the symbol does not require a global offset table entry. */ | |
121 | union | |
122 | { | |
123 | bfd_signed_vma refcount; | |
124 | bfd_vma offset; | |
125 | } got; | |
126 | ||
127 | /* Same, but tracks a procedure linkage table entry. */ | |
128 | union | |
129 | { | |
130 | bfd_signed_vma refcount; | |
131 | bfd_vma offset; | |
132 | } plt; | |
133 | ||
134 | /* If this symbol is used in the linker created sections, the processor | |
135 | specific backend uses this field to map the field into the offset | |
136 | from the beginning of the section. */ | |
137 | struct elf_linker_section_pointers *linker_section_pointer; | |
138 | ||
139 | /* Version information. */ | |
140 | union | |
141 | { | |
142 | /* This field is used for a symbol which is not defined in a | |
143 | regular object. It points to the version information read in | |
144 | from the dynamic object. */ | |
145 | Elf_Internal_Verdef *verdef; | |
146 | /* This field is used for a symbol which is defined in a regular | |
147 | object. It is set up in size_dynamic_sections. It points to | |
148 | the version information we should write out for this symbol. */ | |
149 | struct bfd_elf_version_tree *vertree; | |
150 | } verinfo; | |
151 | ||
152 | /* Virtual table entry use information. This array is nominally of size | |
153 | size/sizeof(target_void_pointer), though we have to be able to assume | |
154 | and track a size while the symbol is still undefined. It is indexed | |
155 | via offset/sizeof(target_void_pointer). */ | |
156 | size_t vtable_entries_size; | |
157 | boolean *vtable_entries_used; | |
158 | ||
159 | /* Virtual table derivation info. */ | |
160 | struct elf_link_hash_entry *vtable_parent; | |
161 | ||
162 | /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */ | |
163 | char type; | |
164 | ||
9b234ee9 | 165 | /* Symbol st_other value, symbol visibility. */ |
252b5132 RH |
166 | unsigned char other; |
167 | ||
168 | /* Hash value of the name computed using the ELF hash function. */ | |
169 | unsigned long elf_hash_value; | |
170 | ||
171 | /* Some flags; legal values follow. */ | |
172 | unsigned short elf_link_hash_flags; | |
173 | /* Symbol is referenced by a non-shared object. */ | |
174 | #define ELF_LINK_HASH_REF_REGULAR 01 | |
175 | /* Symbol is defined by a non-shared object. */ | |
176 | #define ELF_LINK_HASH_DEF_REGULAR 02 | |
177 | /* Symbol is referenced by a shared object. */ | |
178 | #define ELF_LINK_HASH_REF_DYNAMIC 04 | |
179 | /* Symbol is defined by a shared object. */ | |
180 | #define ELF_LINK_HASH_DEF_DYNAMIC 010 | |
181 | /* Symbol has a non-weak reference from a non-shared object. */ | |
182 | #define ELF_LINK_HASH_REF_REGULAR_NONWEAK 020 | |
183 | /* Dynamic symbol has been adjustd. */ | |
184 | #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 040 | |
185 | /* Symbol needs a copy reloc. */ | |
186 | #define ELF_LINK_HASH_NEEDS_COPY 0100 | |
187 | /* Symbol needs a procedure linkage table entry. */ | |
188 | #define ELF_LINK_HASH_NEEDS_PLT 0200 | |
189 | /* Symbol appears in a non-ELF input file. */ | |
190 | #define ELF_LINK_NON_ELF 0400 | |
191 | /* Symbol should be marked as hidden in the version information. */ | |
192 | #define ELF_LINK_HIDDEN 01000 | |
193 | /* Symbol was forced to local scope due to a version script file. */ | |
194 | #define ELF_LINK_FORCED_LOCAL 02000 | |
195 | /* Symbol was marked during garbage collection. */ | |
196 | #define ELF_LINK_HASH_MARK 04000 | |
7843f00e ILT |
197 | /* Symbol is referenced by a non-GOT/non-PLT relocation. This is |
198 | not currently set by all the backends. */ | |
199 | #define ELF_LINK_NON_GOT_REF 010000 | |
252b5132 RH |
200 | }; |
201 | ||
30b30c21 RH |
202 | /* Records local symbols to be emitted in the dynamic symbol table. */ |
203 | ||
204 | struct elf_link_local_dynamic_entry | |
205 | { | |
206 | struct elf_link_local_dynamic_entry *next; | |
207 | ||
208 | /* The input bfd this symbol came from. */ | |
209 | bfd *input_bfd; | |
210 | ||
211 | /* The index of the local symbol being copied. */ | |
212 | long input_indx; | |
213 | ||
214 | /* The index in the outgoing dynamic symbol table. */ | |
215 | long dynindx; | |
3e932841 | 216 | |
30b30c21 RH |
217 | /* A copy of the input symbol. */ |
218 | Elf_Internal_Sym isym; | |
219 | }; | |
220 | ||
252b5132 RH |
221 | /* ELF linker hash table. */ |
222 | ||
223 | struct elf_link_hash_table | |
224 | { | |
225 | struct bfd_link_hash_table root; | |
226 | /* Whether we have created the special dynamic sections required | |
227 | when linking against or generating a shared object. */ | |
228 | boolean dynamic_sections_created; | |
229 | /* The BFD used to hold special sections created by the linker. | |
230 | This will be the first BFD found which requires these sections to | |
231 | be created. */ | |
232 | bfd *dynobj; | |
233 | /* The number of symbols found in the link which must be put into | |
234 | the .dynsym section. */ | |
235 | bfd_size_type dynsymcount; | |
236 | /* The string table of dynamic symbols, which becomes the .dynstr | |
237 | section. */ | |
238 | struct bfd_strtab_hash *dynstr; | |
239 | /* The number of buckets in the hash table in the .hash section. | |
240 | This is based on the number of dynamic symbols. */ | |
241 | bfd_size_type bucketcount; | |
242 | /* A linked list of DT_NEEDED names found in dynamic objects | |
243 | included in the link. */ | |
244 | struct bfd_link_needed_list *needed; | |
245 | /* The _GLOBAL_OFFSET_TABLE_ symbol. */ | |
246 | struct elf_link_hash_entry *hgot; | |
247 | /* A pointer to information used to link stabs in sections. */ | |
248 | PTR stab_info; | |
f5fa8ca2 JJ |
249 | /* A pointer to information used to merge SEC_MERGE sections. */ |
250 | PTR merge_info; | |
30b30c21 RH |
251 | /* A linked list of local symbols to be added to .dynsym. */ |
252 | struct elf_link_local_dynamic_entry *dynlocal; | |
a963dc6a L |
253 | /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic |
254 | objects included in the link. */ | |
255 | struct bfd_link_needed_list *runpath; | |
252b5132 RH |
256 | }; |
257 | ||
258 | /* Look up an entry in an ELF linker hash table. */ | |
259 | ||
260 | #define elf_link_hash_lookup(table, string, create, copy, follow) \ | |
261 | ((struct elf_link_hash_entry *) \ | |
262 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
263 | (copy), (follow))) | |
264 | ||
265 | /* Traverse an ELF linker hash table. */ | |
266 | ||
267 | #define elf_link_hash_traverse(table, func, info) \ | |
268 | (bfd_link_hash_traverse \ | |
269 | (&(table)->root, \ | |
270 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ | |
271 | (info))) | |
272 | ||
273 | /* Get the ELF linker hash table from a link_info structure. */ | |
274 | ||
275 | #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash)) | |
276 | \f | |
277 | /* Constant information held for an ELF backend. */ | |
278 | ||
279 | struct elf_size_info { | |
280 | unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr; | |
281 | unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note; | |
282 | ||
c7ac6ff8 MM |
283 | /* The size of entries in the .hash section. */ |
284 | unsigned char sizeof_hash_entry; | |
285 | ||
286 | /* The number of internal relocations to allocate per external | |
287 | relocation entry. */ | |
288 | unsigned char int_rels_per_ext_rel; | |
289 | ||
252b5132 RH |
290 | unsigned char arch_size, file_align; |
291 | unsigned char elfclass, ev_current; | |
292 | int (*write_out_phdrs) PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); | |
293 | boolean (*write_shdrs_and_ehdr) PARAMS ((bfd *)); | |
294 | void (*write_relocs) PARAMS ((bfd *, asection *, PTR)); | |
295 | void (*swap_symbol_out) PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); | |
296 | boolean (*slurp_reloc_table) | |
297 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
298 | long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean)); | |
299 | void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
c7ac6ff8 MM |
300 | void (*swap_dyn_out) PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
301 | ||
302 | /* This function, if defined, is called to swap in a REL | |
303 | relocation. If an external relocation corresponds to more than | |
304 | one internal relocation, then all relocations are swapped in at | |
305 | once. */ | |
306 | void (*swap_reloc_in) | |
307 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rel *)); | |
308 | ||
309 | /* This function, if defined, is called to swap out a REL | |
310 | relocation. */ | |
311 | void (*swap_reloc_out) | |
312 | PARAMS ((bfd *, const Elf_Internal_Rel *, bfd_byte *)); | |
313 | ||
314 | /* This function, if defined, is called to swap in a RELA | |
315 | relocation. If an external relocation corresponds to more than | |
316 | one internal relocation, then all relocations are swapped in at | |
317 | once. */ | |
318 | void (*swap_reloca_in) | |
319 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); | |
320 | ||
321 | /* This function, if defined, is called to swap out a RELA | |
322 | relocation. */ | |
323 | void (*swap_reloca_out) | |
324 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); | |
325 | ||
252b5132 RH |
326 | }; |
327 | ||
328 | #define elf_symbol_from(ABFD,S) \ | |
329 | (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \ | |
330 | && (S)->the_bfd->tdata.elf_obj_data != 0) \ | |
331 | ? (elf_symbol_type *) (S) \ | |
332 | : 0) | |
333 | ||
334 | struct elf_backend_data | |
335 | { | |
252b5132 RH |
336 | /* The architecture for this backend. */ |
337 | enum bfd_architecture arch; | |
338 | ||
339 | /* The ELF machine code (EM_xxxx) for this backend. */ | |
340 | int elf_machine_code; | |
341 | ||
342 | /* The maximum page size for this backend. */ | |
343 | bfd_vma maxpagesize; | |
344 | ||
252b5132 RH |
345 | /* A function to translate an ELF RELA relocation to a BFD arelent |
346 | structure. */ | |
347 | void (*elf_info_to_howto) PARAMS ((bfd *, arelent *, | |
348 | Elf_Internal_Rela *)); | |
349 | ||
350 | /* A function to translate an ELF REL relocation to a BFD arelent | |
351 | structure. */ | |
352 | void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *, | |
353 | Elf_Internal_Rel *)); | |
354 | ||
355 | /* A function to determine whether a symbol is global when | |
356 | partitioning the symbol table into local and global symbols. | |
357 | This should be NULL for most targets, in which case the correct | |
358 | thing will be done. MIPS ELF, at least on the Irix 5, has | |
359 | special requirements. */ | |
360 | boolean (*elf_backend_sym_is_global) PARAMS ((bfd *, asymbol *)); | |
361 | ||
362 | /* The remaining functions are hooks which are called only if they | |
363 | are not NULL. */ | |
364 | ||
365 | /* A function to permit a backend specific check on whether a | |
366 | particular BFD format is relevant for an object file, and to | |
367 | permit the backend to set any global information it wishes. When | |
368 | this is called elf_elfheader is set, but anything else should be | |
369 | used with caution. If this returns false, the check_format | |
370 | routine will return a bfd_error_wrong_format error. */ | |
371 | boolean (*elf_backend_object_p) PARAMS ((bfd *)); | |
372 | ||
373 | /* A function to do additional symbol processing when reading the | |
374 | ELF symbol table. This is where any processor-specific special | |
375 | section indices are handled. */ | |
376 | void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *)); | |
377 | ||
378 | /* A function to do additional symbol processing after reading the | |
379 | entire ELF symbol table. */ | |
380 | boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *, | |
381 | elf_symbol_type *, | |
382 | unsigned int)); | |
383 | ||
384 | /* A function to set the type of the info field. Processor-specific | |
3e932841 | 385 | types should be handled here. */ |
60bcf0fa NC |
386 | int (*elf_backend_get_symbol_type) PARAMS (( Elf_Internal_Sym *, int)); |
387 | ||
252b5132 RH |
388 | /* A function to do additional processing on the ELF section header |
389 | just before writing it out. This is used to set the flags and | |
390 | type fields for some sections, or to actually write out data for | |
391 | unusual sections. */ | |
392 | boolean (*elf_backend_section_processing) PARAMS ((bfd *, | |
393 | Elf32_Internal_Shdr *)); | |
394 | ||
395 | /* A function to handle unusual section types when creating BFD | |
396 | sections from ELF sections. */ | |
397 | boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *, | |
398 | Elf32_Internal_Shdr *, | |
399 | char *)); | |
400 | ||
fa152c49 JW |
401 | /* A function to convert machine dependent section header flags to |
402 | BFD internal section header flags. */ | |
403 | boolean (*elf_backend_section_flags) PARAMS ((flagword *, | |
404 | Elf32_Internal_Shdr *)); | |
405 | ||
20cfcaae | 406 | /* A function to handle unusual program segment types when creating BFD |
3e932841 | 407 | sections from ELF program segments. */ |
20cfcaae NC |
408 | boolean (*elf_backend_section_from_phdr) PARAMS ((bfd *, |
409 | Elf32_Internal_Phdr *, | |
410 | int)); | |
411 | ||
252b5132 RH |
412 | /* A function to set up the ELF section header for a BFD section in |
413 | preparation for writing it out. This is where the flags and type | |
414 | fields are set for unusual sections. */ | |
415 | boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *, | |
416 | asection *)); | |
417 | ||
418 | /* A function to get the ELF section index for a BFD section. If | |
419 | this returns true, the section was found. If it is a normal ELF | |
420 | section, *RETVAL should be left unchanged. If it is not a normal | |
421 | ELF section *RETVAL should be set to the SHN_xxxx index. */ | |
422 | boolean (*elf_backend_section_from_bfd_section) | |
423 | PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval)); | |
424 | ||
425 | /* If this field is not NULL, it is called by the add_symbols phase | |
426 | of a link just before adding a symbol to the global linker hash | |
427 | table. It may modify any of the fields as it wishes. If *NAME | |
428 | is set to NULL, the symbol will be skipped rather than being | |
429 | added to the hash table. This function is responsible for | |
430 | handling all processor dependent symbol bindings and section | |
431 | indices, and must set at least *FLAGS and *SEC for each processor | |
432 | dependent case; failure to do so will cause a link error. */ | |
433 | boolean (*elf_add_symbol_hook) | |
434 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
435 | const Elf_Internal_Sym *, const char **name, | |
436 | flagword *flags, asection **sec, bfd_vma *value)); | |
437 | ||
438 | /* If this field is not NULL, it is called by the elf_link_output_sym | |
439 | phase of a link for each symbol which will appear in the object file. */ | |
440 | boolean (*elf_backend_link_output_symbol_hook) | |
441 | PARAMS ((bfd *, struct bfd_link_info *info, const char *, | |
442 | Elf_Internal_Sym *, asection *)); | |
443 | ||
444 | /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend | |
445 | linker the first time it encounters a dynamic object in the link. | |
446 | This function must create any sections required for dynamic | |
447 | linking. The ABFD argument is a dynamic object. The .interp, | |
448 | .dynamic, .dynsym, .dynstr, and .hash functions have already been | |
449 | created, and this function may modify the section flags if | |
450 | desired. This function will normally create the .got and .plt | |
451 | sections, but different backends have different requirements. */ | |
452 | boolean (*elf_backend_create_dynamic_sections) | |
453 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
454 | ||
455 | /* The CHECK_RELOCS function is called by the add_symbols phase of | |
456 | the ELF backend linker. It is called once for each section with | |
457 | relocs of an object file, just after the symbols for the object | |
458 | file have been added to the global linker hash table. The | |
459 | function must look through the relocs and do any special handling | |
460 | required. This generally means allocating space in the global | |
461 | offset table, and perhaps allocating space for a reloc. The | |
462 | relocs are always passed as Rela structures; if the section | |
463 | actually uses Rel structures, the r_addend field will always be | |
464 | zero. */ | |
465 | boolean (*check_relocs) | |
466 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, | |
467 | const Elf_Internal_Rela *relocs)); | |
468 | ||
469 | /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend | |
470 | linker for every symbol which is defined by a dynamic object and | |
471 | referenced by a regular object. This is called after all the | |
472 | input files have been seen, but before the SIZE_DYNAMIC_SECTIONS | |
473 | function has been called. The hash table entry should be | |
474 | bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be | |
475 | defined in a section from a dynamic object. Dynamic object | |
476 | sections are not included in the final link, and this function is | |
477 | responsible for changing the value to something which the rest of | |
478 | the link can deal with. This will normally involve adding an | |
479 | entry to the .plt or .got or some such section, and setting the | |
480 | symbol to point to that. */ | |
481 | boolean (*elf_backend_adjust_dynamic_symbol) | |
482 | PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); | |
483 | ||
484 | /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker | |
485 | after all the linker input files have been seen but before the | |
486 | section sizes have been set. This is called after | |
487 | ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */ | |
488 | boolean (*elf_backend_always_size_sections) | |
489 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); | |
490 | ||
491 | /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend | |
492 | linker after all the linker input files have been seen but before | |
493 | the sections sizes have been set. This is called after | |
494 | ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols. | |
495 | It is only called when linking against a dynamic object. It must | |
496 | set the sizes of the dynamic sections, and may fill in their | |
497 | contents as well. The generic ELF linker can handle the .dynsym, | |
498 | .dynstr and .hash sections. This function must handle the | |
499 | .interp section and any sections created by the | |
500 | CREATE_DYNAMIC_SECTIONS entry point. */ | |
501 | boolean (*elf_backend_size_dynamic_sections) | |
502 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); | |
503 | ||
504 | /* The RELOCATE_SECTION function is called by the ELF backend linker | |
505 | to handle the relocations for a section. | |
506 | ||
507 | The relocs are always passed as Rela structures; if the section | |
508 | actually uses Rel structures, the r_addend field will always be | |
509 | zero. | |
510 | ||
511 | This function is responsible for adjust the section contents as | |
512 | necessary, and (if using Rela relocs and generating a | |
513 | relocateable output file) adjusting the reloc addend as | |
514 | necessary. | |
515 | ||
516 | This function does not have to worry about setting the reloc | |
517 | address or the reloc symbol index. | |
518 | ||
519 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
520 | ||
521 | LOCAL_SECTIONS is an array giving the section in the input file | |
522 | corresponding to the st_shndx field of each local symbol. | |
523 | ||
524 | The global hash table entry for the global symbols can be found | |
525 | via elf_sym_hashes (input_bfd). | |
526 | ||
527 | When generating relocateable output, this function must handle | |
528 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
529 | going to be the section symbol corresponding to the output | |
530 | section, which means that the addend must be adjusted | |
531 | accordingly. */ | |
532 | boolean (*elf_backend_relocate_section) | |
533 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, | |
534 | bfd *input_bfd, asection *input_section, bfd_byte *contents, | |
535 | Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, | |
536 | asection **local_sections)); | |
537 | ||
538 | /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend | |
539 | linker just before it writes a symbol out to the .dynsym section. | |
540 | The processor backend may make any required adjustment to the | |
541 | symbol. It may also take the opportunity to set contents of the | |
542 | dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on | |
543 | all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called | |
544 | on those symbols which are defined by a dynamic object. */ | |
545 | boolean (*elf_backend_finish_dynamic_symbol) | |
546 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, | |
547 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); | |
548 | ||
549 | /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend | |
550 | linker just before it writes all the dynamic sections out to the | |
551 | output file. The FINISH_DYNAMIC_SYMBOL will have been called on | |
552 | all dynamic symbols. */ | |
553 | boolean (*elf_backend_finish_dynamic_sections) | |
554 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); | |
555 | ||
556 | /* A function to do any beginning processing needed for the ELF file | |
557 | before building the ELF headers and computing file positions. */ | |
558 | void (*elf_backend_begin_write_processing) | |
559 | PARAMS ((bfd *, struct bfd_link_info *)); | |
560 | ||
561 | /* A function to do any final processing needed for the ELF file | |
562 | before writing it out. The LINKER argument is true if this BFD | |
563 | was created by the ELF backend linker. */ | |
564 | void (*elf_backend_final_write_processing) | |
565 | PARAMS ((bfd *, boolean linker)); | |
566 | ||
567 | /* This function is called by get_program_header_size. It should | |
568 | return the number of additional program segments which this BFD | |
569 | will need. It should return -1 on error. */ | |
570 | int (*elf_backend_additional_program_headers) PARAMS ((bfd *)); | |
571 | ||
572 | /* This function is called to modify an existing segment map in a | |
573 | backend specific fashion. */ | |
574 | boolean (*elf_backend_modify_segment_map) PARAMS ((bfd *)); | |
575 | ||
576 | /* This function is called during section gc to discover the section a | |
577 | particular relocation refers to. It need not be defined for hosts | |
578 | that have no queer relocation types. */ | |
579 | asection * (*gc_mark_hook) | |
580 | PARAMS ((bfd *abfd, struct bfd_link_info *, Elf_Internal_Rela *, | |
581 | struct elf_link_hash_entry *h, Elf_Internal_Sym *)); | |
582 | ||
583 | /* This function, if defined, is called during the sweep phase of gc | |
584 | in order that a backend might update any data structures it might | |
585 | be maintaining. */ | |
586 | boolean (*gc_sweep_hook) | |
587 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, | |
588 | const Elf_Internal_Rela *relocs)); | |
589 | ||
e6c51ed4 NC |
590 | /* This function, if defined, is called after the ELF headers have |
591 | been created. This allows for things like the OS and ABI versions | |
592 | to be changed. */ | |
593 | void (*elf_backend_post_process_headers) | |
594 | PARAMS ((bfd *, struct bfd_link_info *)); | |
595 | ||
587ff49e RH |
596 | /* This function, if defined, prints a symbol to file and returns the |
597 | name of the symbol to be printed. It should return NULL to fall | |
598 | back to default symbol printing. */ | |
599 | const char *(*elf_backend_print_symbol_all) | |
600 | PARAMS ((bfd *, PTR, asymbol *)); | |
601 | ||
602 | /* This function, if defined, is called after all local symbols and | |
603 | global symbols converted to locals are emited into the symtab | |
604 | section. It allows the backend to emit special global symbols | |
605 | not handled in the hash table. */ | |
606 | boolean (*elf_backend_output_arch_syms) | |
607 | PARAMS ((bfd *, struct bfd_link_info *, PTR, | |
608 | boolean (*) PARAMS ((PTR, const char *, | |
609 | Elf_Internal_Sym *, asection *)))); | |
610 | ||
c61b8717 RH |
611 | /* Copy any information related to dynamic linking from a pre-existing |
612 | symbol IND to a newly created symbol DIR. */ | |
613 | void (*elf_backend_copy_indirect_symbol) | |
614 | PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *)); | |
615 | ||
616 | /* Modify any information related to dynamic linking such that the | |
617 | symbol is not exported. */ | |
618 | void (*elf_backend_hide_symbol) | |
f41cbf03 | 619 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
c61b8717 | 620 | |
9317eacc CM |
621 | /* Emit relocations. Overrides default routine for emitting relocs, |
622 | except during a relocatable link, or if all relocs are being emitted. */ | |
623 | void (*elf_backend_emit_relocs) | |
624 | PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, Elf_Internal_Rela *)); | |
625 | ||
626 | /* Count relocations. Not called for relocatable links | |
627 | or if all relocs are being preserved in the output. */ | |
628 | unsigned int (*elf_backend_count_relocs) | |
629 | PARAMS ((asection *, Elf_Internal_Rela *)); | |
630 | ||
bb0082d6 AM |
631 | /* This function, if defined, is called when an NT_PRSTATUS note is found |
632 | in a core file. */ | |
633 | boolean (*elf_backend_grok_prstatus) PARAMS ((bfd *, Elf_Internal_Note *)); | |
634 | ||
635 | /* This function, if defined, is called when an NT_PSINFO or NT_PRPSINFO | |
636 | note is found in a core file. */ | |
637 | boolean (*elf_backend_grok_psinfo) PARAMS ((bfd *, Elf_Internal_Note *)); | |
638 | ||
252b5132 RH |
639 | /* The swapping table to use when dealing with ECOFF information. |
640 | Used for the MIPS ELF .mdebug section. */ | |
641 | const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap; | |
642 | ||
643 | /* Alternate EM_xxxx machine codes for this backend. */ | |
644 | int elf_machine_alt1; | |
645 | int elf_machine_alt2; | |
646 | ||
647 | const struct elf_size_info *s; | |
648 | ||
649 | /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the | |
650 | .got section */ | |
651 | bfd_vma got_symbol_offset; | |
652 | ||
653 | /* The size in bytes of the headers for the GOT and PLT. This includes | |
654 | the so-called reserved entries on some systems. */ | |
655 | bfd_vma got_header_size; | |
656 | bfd_vma plt_header_size; | |
657 | ||
86dc0f79 RH |
658 | /* This is true if the linker should act like collect and gather |
659 | global constructors and destructors by name. This is true for | |
660 | MIPS ELF because the Irix 5 tools can not handle the .init | |
661 | section. */ | |
662 | unsigned collect : 1; | |
663 | ||
664 | /* This is true if the linker should ignore changes to the type of a | |
665 | symbol. This is true for MIPS ELF because some Irix 5 objects | |
666 | record undefined functions as STT_OBJECT although the definitions | |
667 | are STT_FUNC. */ | |
668 | unsigned type_change_ok : 1; | |
669 | ||
bf572ba0 MM |
670 | /* Whether the backend may use REL relocations. (Some backends use |
671 | both REL and RELA relocations, and this flag is set for those | |
672 | backends.) */ | |
673 | unsigned may_use_rel_p : 1; | |
60bcf0fa | 674 | |
bf572ba0 MM |
675 | /* Whether the backend may use RELA relocations. (Some backends use |
676 | both REL and RELA relocations, and this flag is set for those | |
677 | backends.) */ | |
678 | unsigned may_use_rela_p : 1; | |
679 | ||
680 | /* Whether the default relocation type is RELA. If a backend with | |
681 | this flag set wants REL relocations for a particular section, | |
682 | it must note that explicitly. Similarly, if this flag is clear, | |
60bcf0fa NC |
683 | and the backend wants RELA relocations for a particular |
684 | section. */ | |
bf572ba0 MM |
685 | unsigned default_use_rela_p : 1; |
686 | ||
86dc0f79 RH |
687 | /* True if addresses "naturally" sign extend. This is used when |
688 | swapping in from Elf32 when BFD64. */ | |
689 | unsigned sign_extend_vma : 1; | |
690 | ||
252b5132 RH |
691 | unsigned want_got_plt : 1; |
692 | unsigned plt_readonly : 1; | |
693 | unsigned want_plt_sym : 1; | |
694 | unsigned plt_not_loaded : 1; | |
695 | unsigned plt_alignment : 4; | |
696 | unsigned can_gc_sections : 1; | |
3018b441 | 697 | unsigned want_dynbss : 1; |
252b5132 RH |
698 | }; |
699 | ||
700 | /* Information stored for each BFD section in an ELF file. This | |
701 | structure is allocated by elf_new_section_hook. */ | |
702 | ||
703 | struct bfd_elf_section_data | |
704 | { | |
705 | /* The ELF header for this section. */ | |
706 | Elf_Internal_Shdr this_hdr; | |
707 | /* The ELF header for the reloc section associated with this | |
708 | section, if any. */ | |
709 | Elf_Internal_Shdr rel_hdr; | |
710 | /* If there is a second reloc section associated with this section, | |
711 | as can happen on Irix 6, this field points to the header. */ | |
712 | Elf_Internal_Shdr *rel_hdr2; | |
23bc299b MM |
713 | /* The number of relocations currently assigned to REL_HDR. */ |
714 | unsigned int rel_count; | |
715 | /* The number of relocations currently assigned to REL_HDR2. */ | |
716 | unsigned int rel_count2; | |
252b5132 RH |
717 | /* The ELF section number of this section. Only used for an output |
718 | file. */ | |
719 | int this_idx; | |
23bc299b MM |
720 | /* The ELF section number of the reloc section indicated by |
721 | REL_HDR if any. Only used for an output file. */ | |
252b5132 | 722 | int rel_idx; |
23bc299b MM |
723 | /* The ELF section number of the reloc section indicated by |
724 | REL_HDR2 if any. Only used for an output file. */ | |
725 | int rel_idx2; | |
252b5132 RH |
726 | /* Used by the backend linker to store the symbol hash table entries |
727 | associated with relocs against global symbols. */ | |
728 | struct elf_link_hash_entry **rel_hashes; | |
729 | /* A pointer to the swapped relocs. If the section uses REL relocs, | |
730 | rather than RELA, all the r_addend fields will be zero. This | |
731 | pointer may be NULL. It is used by the backend linker. */ | |
732 | Elf_Internal_Rela *relocs; | |
733 | /* Used by the backend linker when generating a shared library to | |
734 | record the dynamic symbol index for a section symbol | |
75945f9f ILT |
735 | corresponding to this section. A value of 0 means that there is |
736 | no dynamic symbol for this section. */ | |
252b5132 RH |
737 | long dynindx; |
738 | /* A pointer used for .stab linking optimizations. */ | |
739 | PTR stab_info; | |
f5fa8ca2 JJ |
740 | /* A pointer used for SEC_MERGE optimizations. */ |
741 | PTR merge_info; | |
252b5132 RH |
742 | /* A pointer available for the processor specific ELF backend. */ |
743 | PTR tdata; | |
bf572ba0 MM |
744 | /* Nonzero if this section uses RELA relocations, rather than REL. */ |
745 | unsigned int use_rela_p:1; | |
252b5132 RH |
746 | }; |
747 | ||
748 | #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd) | |
749 | ||
750 | #define get_elf_backend_data(abfd) \ | |
751 | ((struct elf_backend_data *) (abfd)->xvec->backend_data) | |
752 | ||
753 | /* Enumeration to specify the special section. */ | |
754 | typedef enum elf_linker_section_enum | |
755 | { | |
756 | LINKER_SECTION_UNKNOWN, /* not used */ | |
757 | LINKER_SECTION_GOT, /* .got section for global offset pointers */ | |
758 | LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */ | |
759 | LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */ | |
760 | LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */ | |
761 | LINKER_SECTION_MAX /* # of linker sections */ | |
762 | } elf_linker_section_enum_t; | |
763 | ||
764 | /* Sections created by the linker. */ | |
765 | ||
766 | typedef struct elf_linker_section | |
767 | { | |
768 | char *name; /* name of the section */ | |
769 | char *rel_name; /* name of the associated .rel{,a}. section */ | |
770 | char *bss_name; /* name of a related .bss section */ | |
771 | char *sym_name; /* name of symbol to reference this section */ | |
772 | asection *section; /* pointer to the section */ | |
773 | asection *bss_section; /* pointer to the bss section associated with this */ | |
774 | asection *rel_section; /* pointer to the relocations needed for this section */ | |
775 | struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */ | |
776 | bfd_vma initial_size; /* initial size before any linker generated allocations */ | |
777 | bfd_vma sym_offset; /* offset of symbol from beginning of section */ | |
778 | bfd_vma hole_size; /* size of reserved address hole in allocation */ | |
779 | bfd_vma hole_offset; /* current offset for the hole */ | |
780 | bfd_vma max_hole_offset; /* maximum offset for the hole */ | |
781 | elf_linker_section_enum_t which; /* which section this is */ | |
782 | boolean hole_written_p; /* whether the hole has been initialized */ | |
783 | unsigned int alignment; /* alignment for the section */ | |
784 | flagword flags; /* flags to use to create the section */ | |
785 | } elf_linker_section_t; | |
786 | ||
787 | /* Linked list of allocated pointer entries. This hangs off of the symbol lists, and | |
788 | provides allows us to return different pointers, based on different addend's. */ | |
789 | ||
790 | typedef struct elf_linker_section_pointers | |
791 | { | |
792 | struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */ | |
793 | bfd_vma offset; /* offset of pointer from beginning of section */ | |
794 | bfd_signed_vma addend; /* addend used */ | |
795 | elf_linker_section_enum_t which; /* which linker section this is */ | |
796 | boolean written_address_p; /* whether address was written yet */ | |
797 | } elf_linker_section_pointers_t; | |
798 | ||
799 | /* Some private data is stashed away for future use using the tdata pointer | |
800 | in the bfd structure. */ | |
801 | ||
802 | struct elf_obj_tdata | |
803 | { | |
804 | Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */ | |
805 | Elf_Internal_Shdr **elf_sect_ptr; | |
806 | Elf_Internal_Phdr *phdr; | |
807 | struct elf_segment_map *segment_map; | |
808 | struct bfd_strtab_hash *strtab_ptr; | |
809 | int num_locals; | |
810 | int num_globals; | |
811 | asymbol **section_syms; /* STT_SECTION symbols for each section */ | |
812 | Elf_Internal_Shdr symtab_hdr; | |
813 | Elf_Internal_Shdr shstrtab_hdr; | |
814 | Elf_Internal_Shdr strtab_hdr; | |
815 | Elf_Internal_Shdr dynsymtab_hdr; | |
816 | Elf_Internal_Shdr dynstrtab_hdr; | |
817 | Elf_Internal_Shdr dynversym_hdr; | |
818 | Elf_Internal_Shdr dynverref_hdr; | |
819 | Elf_Internal_Shdr dynverdef_hdr; | |
820 | unsigned int symtab_section, shstrtab_section; | |
821 | unsigned int strtab_section, dynsymtab_section; | |
822 | unsigned int dynversym_section, dynverdef_section, dynverref_section; | |
823 | file_ptr next_file_pos; | |
824 | #if 0 | |
825 | /* we don't need these inside bfd anymore, and I think | |
3e932841 | 826 | these weren't used outside bfd. */ |
252b5132 RH |
827 | void *prstatus; /* The raw /proc prstatus structure */ |
828 | void *prpsinfo; /* The raw /proc prpsinfo structure */ | |
829 | #endif | |
830 | bfd_vma gp; /* The gp value (MIPS only, for now) */ | |
831 | unsigned int gp_size; /* The gp size (MIPS only, for now) */ | |
832 | ||
3e932841 | 833 | /* Information grabbed from an elf core file. */ |
252b5132 RH |
834 | int core_signal; |
835 | int core_pid; | |
836 | int core_lwpid; | |
837 | char* core_program; | |
838 | char* core_command; | |
839 | ||
840 | /* This is set to true if the object was created by the backend | |
841 | linker. */ | |
842 | boolean linker; | |
843 | ||
844 | /* A mapping from external symbols to entries in the linker hash | |
845 | table, used when linking. This is indexed by the symbol index | |
846 | minus the sh_info field of the symbol table header. */ | |
847 | struct elf_link_hash_entry **sym_hashes; | |
848 | ||
849 | /* A mapping from local symbols to offsets into the global offset | |
850 | table, used when linking. This is indexed by the symbol index. | |
851 | Like for the globals, we use a union and two names primarily to | |
852 | document the intent of any particular piece of code. The field | |
853 | should be used as a count until size_dynamic_sections, at which | |
854 | point the contents of the .got is fixed. Afterward, if an entry | |
3e932841 | 855 | is -1, then the symbol does not require a global offset table entry. */ |
252b5132 RH |
856 | union |
857 | { | |
858 | bfd_signed_vma *refcounts; | |
859 | bfd_vma *offsets; | |
860 | } local_got; | |
861 | ||
862 | /* A mapping from local symbols to offsets into the various linker | |
863 | sections added. This is index by the symbol index. */ | |
864 | elf_linker_section_pointers_t **linker_section_pointers; | |
865 | ||
866 | /* The linker ELF emulation code needs to let the backend ELF linker | |
867 | know what filename should be used for a dynamic object if the | |
868 | dynamic object is found using a search. The emulation code then | |
869 | sometimes needs to know what name was actually used. Until the | |
870 | file has been added to the linker symbol table, this field holds | |
871 | the name the linker wants. After it has been added, it holds the | |
872 | name actually used, which will be the DT_SONAME entry if there is | |
873 | one. */ | |
874 | const char *dt_name; | |
875 | ||
74816898 L |
876 | /* When a reference in a regular object is resolved by a shared |
877 | object is loaded into via the DT_NEEDED entries by the linker | |
878 | ELF emulation code, we need to add the shared object to the | |
879 | DT_NEEDED list of the resulting binary to indicate the dependency | |
880 | as if the -l option is passed to the linker. This field holds the | |
3e932841 | 881 | name of the loaded shared object. */ |
74816898 L |
882 | const char *dt_soname; |
883 | ||
252b5132 RH |
884 | /* Irix 5 often screws up the symbol table, sorting local symbols |
885 | after global symbols. This flag is set if the symbol table in | |
886 | this BFD appears to be screwed up. If it is, we ignore the | |
887 | sh_info field in the symbol table header, and always read all the | |
888 | symbols. */ | |
889 | boolean bad_symtab; | |
890 | ||
891 | /* Records the result of `get_program_header_size'. */ | |
892 | bfd_size_type program_header_size; | |
893 | ||
894 | /* Used by find_nearest_line entry point. */ | |
895 | PTR line_info; | |
896 | ||
897 | /* Used by MIPS ELF find_nearest_line entry point. The structure | |
898 | could be included directly in this one, but there's no point to | |
899 | wasting the memory just for the infrequently called | |
900 | find_nearest_line. */ | |
901 | struct mips_elf_find_line *find_line_info; | |
902 | ||
3e932841 | 903 | /* A place to stash dwarf1 info for this bfd. */ |
252b5132 RH |
904 | struct dwarf1_debug *dwarf1_find_line_info; |
905 | ||
3e932841 | 906 | /* A place to stash dwarf2 info for this bfd. */ |
51db3708 | 907 | PTR dwarf2_find_line_info; |
252b5132 RH |
908 | |
909 | /* An array of stub sections indexed by symbol number, used by the | |
910 | MIPS ELF linker. FIXME: We should figure out some way to only | |
911 | include this field for a MIPS ELF target. */ | |
912 | asection **local_stubs; | |
913 | ||
914 | /* Used to determine if the e_flags field has been initialized */ | |
915 | boolean flags_init; | |
916 | ||
917 | /* Number of symbol version definitions we are about to emit. */ | |
918 | unsigned int cverdefs; | |
919 | ||
920 | /* Number of symbol version references we are about to emit. */ | |
921 | unsigned int cverrefs; | |
922 | ||
923 | /* Symbol version definitions in external objects. */ | |
924 | Elf_Internal_Verdef *verdef; | |
925 | ||
926 | /* Symbol version references to external objects. */ | |
927 | Elf_Internal_Verneed *verref; | |
928 | ||
929 | /* Linker sections that we are interested in. */ | |
930 | struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ]; | |
b305ef96 UC |
931 | |
932 | /* The Irix 5 support uses two virtual sections, which represent | |
933 | text/data symbols defined in dynamic objects. */ | |
934 | asymbol *elf_data_symbol; | |
935 | asymbol *elf_text_symbol; | |
936 | asection *elf_data_section; | |
937 | asection *elf_text_section; | |
252b5132 RH |
938 | }; |
939 | ||
940 | #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data) | |
941 | #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header) | |
942 | #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr) | |
943 | #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr) | |
944 | #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) | |
945 | #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section) | |
946 | #define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section) | |
947 | #define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section) | |
948 | #define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section) | |
949 | #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals) | |
950 | #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals) | |
951 | #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms) | |
952 | #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo) | |
953 | #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus) | |
954 | #define elf_gp(bfd) (elf_tdata(bfd) -> gp) | |
955 | #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size) | |
956 | #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes) | |
957 | #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts) | |
958 | #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets) | |
959 | #define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers) | |
960 | #define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name) | |
74816898 | 961 | #define elf_dt_soname(bfd) (elf_tdata(bfd) -> dt_soname) |
252b5132 RH |
962 | #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab) |
963 | #define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init) | |
964 | #define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n]) | |
965 | \f | |
966 | extern void _bfd_elf_swap_verdef_in | |
967 | PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *)); | |
968 | extern void _bfd_elf_swap_verdef_out | |
969 | PARAMS ((bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *)); | |
970 | extern void _bfd_elf_swap_verdaux_in | |
971 | PARAMS ((bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *)); | |
972 | extern void _bfd_elf_swap_verdaux_out | |
973 | PARAMS ((bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *)); | |
974 | extern void _bfd_elf_swap_verneed_in | |
975 | PARAMS ((bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *)); | |
976 | extern void _bfd_elf_swap_verneed_out | |
977 | PARAMS ((bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *)); | |
978 | extern void _bfd_elf_swap_vernaux_in | |
979 | PARAMS ((bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *)); | |
980 | extern void _bfd_elf_swap_vernaux_out | |
981 | PARAMS ((bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *)); | |
982 | extern void _bfd_elf_swap_versym_in | |
983 | PARAMS ((bfd *, const Elf_External_Versym *, Elf_Internal_Versym *)); | |
984 | extern void _bfd_elf_swap_versym_out | |
985 | PARAMS ((bfd *, const Elf_Internal_Versym *, Elf_External_Versym *)); | |
986 | ||
987 | extern int _bfd_elf_section_from_bfd_section PARAMS ((bfd *, asection *)); | |
988 | extern char *bfd_elf_string_from_elf_section | |
989 | PARAMS ((bfd *, unsigned, unsigned)); | |
990 | extern char *bfd_elf_get_str_section PARAMS ((bfd *, unsigned)); | |
991 | ||
992 | extern boolean _bfd_elf_print_private_bfd_data PARAMS ((bfd *, PTR)); | |
993 | extern void bfd_elf_print_symbol PARAMS ((bfd *, PTR, asymbol *, | |
994 | bfd_print_symbol_type)); | |
995 | #define elf_string_from_elf_strtab(abfd,strindex) \ | |
996 | bfd_elf_string_from_elf_section(abfd,elf_elfheader(abfd)->e_shstrndx,strindex) | |
997 | ||
998 | #define bfd_elf32_print_symbol bfd_elf_print_symbol | |
999 | #define bfd_elf64_print_symbol bfd_elf_print_symbol | |
1000 | ||
3a99b017 | 1001 | extern unsigned long bfd_elf_hash PARAMS ((const char *)); |
252b5132 RH |
1002 | |
1003 | extern bfd_reloc_status_type bfd_elf_generic_reloc PARAMS ((bfd *, | |
1004 | arelent *, | |
1005 | asymbol *, | |
1006 | PTR, | |
1007 | asection *, | |
1008 | bfd *, | |
1009 | char **)); | |
1010 | extern boolean bfd_elf_mkobject PARAMS ((bfd *)); | |
1011 | extern boolean bfd_elf_mkcorefile PARAMS ((bfd *)); | |
1012 | extern Elf_Internal_Shdr *bfd_elf_find_section PARAMS ((bfd *, char *)); | |
1013 | extern boolean _bfd_elf_make_section_from_shdr | |
1014 | PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)); | |
20cfcaae NC |
1015 | extern boolean _bfd_elf_make_section_from_phdr |
1016 | PARAMS ((bfd *abfd, Elf_Internal_Phdr *hdr, int index, const char *typename)); | |
252b5132 RH |
1017 | extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc |
1018 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
1019 | extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create | |
1020 | PARAMS ((bfd *)); | |
c61b8717 RH |
1021 | extern void _bfd_elf_link_hash_copy_indirect |
1022 | PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *)); | |
1023 | extern void _bfd_elf_link_hash_hide_symbol | |
f41cbf03 | 1024 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
252b5132 RH |
1025 | extern boolean _bfd_elf_link_hash_table_init |
1026 | PARAMS ((struct elf_link_hash_table *, bfd *, | |
1027 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
1028 | struct bfd_hash_table *, | |
1029 | const char *))); | |
1030 | extern boolean _bfd_elf_slurp_version_tables PARAMS ((bfd *)); | |
1031 | ||
8550eb6e JJ |
1032 | extern boolean _bfd_elf_merge_sections |
1033 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1034 | ||
252b5132 RH |
1035 | extern boolean _bfd_elf_copy_private_symbol_data |
1036 | PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); | |
1037 | extern boolean _bfd_elf_copy_private_section_data | |
1038 | PARAMS ((bfd *, asection *, bfd *, asection *)); | |
1039 | extern boolean _bfd_elf_write_object_contents PARAMS ((bfd *)); | |
1040 | extern boolean _bfd_elf_write_corefile_contents PARAMS ((bfd *)); | |
1041 | extern boolean _bfd_elf_set_section_contents PARAMS ((bfd *, sec_ptr, PTR, | |
1042 | file_ptr, | |
1043 | bfd_size_type)); | |
1044 | extern long _bfd_elf_get_symtab_upper_bound PARAMS ((bfd *)); | |
1045 | extern long _bfd_elf_get_symtab PARAMS ((bfd *, asymbol **)); | |
1046 | extern long _bfd_elf_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); | |
1047 | extern long _bfd_elf_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **)); | |
1048 | extern long _bfd_elf_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); | |
1049 | extern long _bfd_elf_canonicalize_reloc PARAMS ((bfd *, sec_ptr, | |
1050 | arelent **, asymbol **)); | |
1051 | extern long _bfd_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); | |
1052 | extern long _bfd_elf_canonicalize_dynamic_reloc PARAMS ((bfd *, arelent **, | |
1053 | asymbol **)); | |
1054 | extern asymbol *_bfd_elf_make_empty_symbol PARAMS ((bfd *)); | |
1055 | extern void _bfd_elf_get_symbol_info PARAMS ((bfd *, asymbol *, | |
1056 | symbol_info *)); | |
1057 | extern boolean _bfd_elf_is_local_label_name PARAMS ((bfd *, const char *)); | |
1058 | extern alent *_bfd_elf_get_lineno PARAMS ((bfd *, asymbol *)); | |
1059 | extern boolean _bfd_elf_set_arch_mach PARAMS ((bfd *, enum bfd_architecture, | |
1060 | unsigned long)); | |
1061 | extern boolean _bfd_elf_find_nearest_line PARAMS ((bfd *, asection *, | |
1062 | asymbol **, | |
52b219b5 AM |
1063 | bfd_vma, const char **, |
1064 | const char **, | |
252b5132 RH |
1065 | unsigned int *)); |
1066 | #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols | |
1067 | #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
1068 | extern int _bfd_elf_sizeof_headers PARAMS ((bfd *, boolean)); | |
1069 | extern boolean _bfd_elf_new_section_hook PARAMS ((bfd *, asection *)); | |
60bcf0fa | 1070 | extern boolean _bfd_elf_init_reloc_shdr |
23bc299b | 1071 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, boolean)); |
252b5132 RH |
1072 | |
1073 | /* If the target doesn't have reloc handling written yet: */ | |
1074 | extern void _bfd_elf_no_info_to_howto PARAMS ((bfd *, arelent *, | |
1075 | Elf_Internal_Rela *)); | |
1076 | ||
1077 | extern boolean bfd_section_from_shdr PARAMS ((bfd *, unsigned int shindex)); | |
1078 | extern boolean bfd_section_from_phdr PARAMS ((bfd *, Elf_Internal_Phdr *, int)); | |
1079 | ||
1080 | extern int _bfd_elf_symbol_from_bfd_symbol PARAMS ((bfd *, asymbol **)); | |
1081 | ||
1082 | asection *bfd_section_from_elf_index PARAMS ((bfd *, unsigned int)); | |
1083 | boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *, | |
1084 | struct bfd_link_info *)); | |
1085 | struct bfd_strtab_hash *_bfd_elf_stringtab_init PARAMS ((void)); | |
1086 | boolean | |
1087 | _bfd_elf_link_record_dynamic_symbol PARAMS ((struct bfd_link_info *, | |
1088 | struct elf_link_hash_entry *)); | |
30b30c21 RH |
1089 | long |
1090 | _bfd_elf_link_lookup_local_dynindx PARAMS ((struct bfd_link_info *, | |
1091 | bfd *, long)); | |
252b5132 RH |
1092 | boolean |
1093 | _bfd_elf_compute_section_file_positions PARAMS ((bfd *, | |
1094 | struct bfd_link_info *)); | |
1095 | void _bfd_elf_assign_file_positions_for_relocs PARAMS ((bfd *)); | |
1096 | file_ptr _bfd_elf_assign_file_position_for_section PARAMS ((Elf_Internal_Shdr *, | |
1097 | file_ptr, | |
1098 | boolean)); | |
1099 | ||
1100 | extern boolean _bfd_elf_validate_reloc PARAMS ((bfd *, arelent *)); | |
1101 | ||
1102 | boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *, | |
1103 | struct bfd_link_info *)); | |
1104 | boolean _bfd_elf_create_got_section PARAMS ((bfd *, | |
1105 | struct bfd_link_info *)); | |
30b30c21 RH |
1106 | unsigned long _bfd_elf_link_renumber_dynsyms PARAMS ((bfd *, |
1107 | struct bfd_link_info *)); | |
252b5132 | 1108 | |
bb0082d6 AM |
1109 | boolean _bfd_elfcore_make_pseudosection PARAMS ((bfd *, char *, int, int)); |
1110 | char *_bfd_elfcore_strndup PARAMS ((bfd *, char *, int)); | |
1111 | ||
252b5132 RH |
1112 | elf_linker_section_t *_bfd_elf_create_linker_section |
1113 | PARAMS ((bfd *abfd, | |
1114 | struct bfd_link_info *info, | |
1115 | enum elf_linker_section_enum, | |
1116 | elf_linker_section_t *defaults)); | |
1117 | ||
1118 | elf_linker_section_pointers_t *_bfd_elf_find_pointer_linker_section | |
1119 | PARAMS ((elf_linker_section_pointers_t *linker_pointers, | |
1120 | bfd_signed_vma addend, | |
1121 | elf_linker_section_enum_t which)); | |
1122 | ||
1123 | boolean bfd_elf32_create_pointer_linker_section | |
1124 | PARAMS ((bfd *abfd, | |
1125 | struct bfd_link_info *info, | |
1126 | elf_linker_section_t *lsect, | |
1127 | struct elf_link_hash_entry *h, | |
1128 | const Elf32_Internal_Rela *rel)); | |
1129 | ||
1130 | bfd_vma bfd_elf32_finish_pointer_linker_section | |
1131 | PARAMS ((bfd *output_abfd, | |
1132 | bfd *input_bfd, | |
1133 | struct bfd_link_info *info, | |
1134 | elf_linker_section_t *lsect, | |
1135 | struct elf_link_hash_entry *h, | |
1136 | bfd_vma relocation, | |
1137 | const Elf32_Internal_Rela *rel, | |
1138 | int relative_reloc)); | |
1139 | ||
1140 | boolean bfd_elf64_create_pointer_linker_section | |
1141 | PARAMS ((bfd *abfd, | |
1142 | struct bfd_link_info *info, | |
1143 | elf_linker_section_t *lsect, | |
1144 | struct elf_link_hash_entry *h, | |
1145 | const Elf64_Internal_Rela *rel)); | |
1146 | ||
1147 | bfd_vma bfd_elf64_finish_pointer_linker_section | |
1148 | PARAMS ((bfd *output_abfd, | |
1149 | bfd *input_bfd, | |
1150 | struct bfd_link_info *info, | |
1151 | elf_linker_section_t *lsect, | |
1152 | struct elf_link_hash_entry *h, | |
1153 | bfd_vma relocation, | |
1154 | const Elf64_Internal_Rela *rel, | |
1155 | int relative_reloc)); | |
1156 | ||
1157 | boolean _bfd_elf_make_linker_section_rela | |
1158 | PARAMS ((bfd *dynobj, | |
1159 | elf_linker_section_t *lsect, | |
1160 | int alignment)); | |
1161 | ||
252b5132 RH |
1162 | extern const bfd_target *bfd_elf32_object_p PARAMS ((bfd *)); |
1163 | extern const bfd_target *bfd_elf32_core_file_p PARAMS ((bfd *)); | |
1164 | extern char *bfd_elf32_core_file_failing_command PARAMS ((bfd *)); | |
1165 | extern int bfd_elf32_core_file_failing_signal PARAMS ((bfd *)); | |
1166 | extern boolean bfd_elf32_core_file_matches_executable_p PARAMS ((bfd *, | |
1167 | bfd *)); | |
1168 | ||
1169 | extern boolean bfd_elf32_bfd_link_add_symbols | |
1170 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1171 | extern boolean bfd_elf32_bfd_final_link | |
1172 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1173 | ||
1174 | extern void bfd_elf32_swap_symbol_in | |
1175 | PARAMS ((bfd *, const Elf32_External_Sym *, Elf_Internal_Sym *)); | |
1176 | extern void bfd_elf32_swap_symbol_out | |
1177 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); | |
1178 | extern void bfd_elf32_swap_reloc_in | |
1179 | PARAMS ((bfd *, const Elf32_External_Rel *, Elf_Internal_Rel *)); | |
1180 | extern void bfd_elf32_swap_reloc_out | |
1181 | PARAMS ((bfd *, const Elf_Internal_Rel *, Elf32_External_Rel *)); | |
1182 | extern void bfd_elf32_swap_reloca_in | |
1183 | PARAMS ((bfd *, const Elf32_External_Rela *, Elf_Internal_Rela *)); | |
1184 | extern void bfd_elf32_swap_reloca_out | |
1185 | PARAMS ((bfd *, const Elf_Internal_Rela *, Elf32_External_Rela *)); | |
1186 | extern void bfd_elf32_swap_phdr_in | |
1187 | PARAMS ((bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *)); | |
1188 | extern void bfd_elf32_swap_phdr_out | |
1189 | PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *)); | |
1190 | extern void bfd_elf32_swap_dyn_in | |
1191 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
1192 | extern void bfd_elf32_swap_dyn_out | |
c7ac6ff8 | 1193 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
252b5132 RH |
1194 | extern long bfd_elf32_slurp_symbol_table |
1195 | PARAMS ((bfd *, asymbol **, boolean)); | |
1196 | extern boolean bfd_elf32_write_shdrs_and_ehdr PARAMS ((bfd *)); | |
1197 | extern int bfd_elf32_write_out_phdrs | |
1198 | PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); | |
b9f66672 JL |
1199 | extern void bfd_elf32_write_relocs |
1200 | PARAMS ((bfd *, asection *, PTR)); | |
1201 | extern boolean bfd_elf32_slurp_reloc_table | |
1202 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
252b5132 RH |
1203 | extern boolean bfd_elf32_add_dynamic_entry |
1204 | PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); | |
1205 | extern boolean bfd_elf32_link_create_dynamic_sections | |
1206 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1207 | extern Elf_Internal_Rela *_bfd_elf32_link_read_relocs | |
1208 | PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); | |
1209 | ||
1210 | extern const bfd_target *bfd_elf64_object_p PARAMS ((bfd *)); | |
1211 | extern const bfd_target *bfd_elf64_core_file_p PARAMS ((bfd *)); | |
1212 | extern char *bfd_elf64_core_file_failing_command PARAMS ((bfd *)); | |
1213 | extern int bfd_elf64_core_file_failing_signal PARAMS ((bfd *)); | |
1214 | extern boolean bfd_elf64_core_file_matches_executable_p PARAMS ((bfd *, | |
1215 | bfd *)); | |
1216 | extern boolean bfd_elf64_bfd_link_add_symbols | |
1217 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1218 | extern boolean bfd_elf64_bfd_final_link | |
1219 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1220 | ||
1221 | extern void bfd_elf64_swap_symbol_in | |
1222 | PARAMS ((bfd *, const Elf64_External_Sym *, Elf_Internal_Sym *)); | |
1223 | extern void bfd_elf64_swap_symbol_out | |
1224 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); | |
1225 | extern void bfd_elf64_swap_reloc_in | |
1226 | PARAMS ((bfd *, const Elf64_External_Rel *, Elf_Internal_Rel *)); | |
1227 | extern void bfd_elf64_swap_reloc_out | |
1228 | PARAMS ((bfd *, const Elf_Internal_Rel *, Elf64_External_Rel *)); | |
1229 | extern void bfd_elf64_swap_reloca_in | |
1230 | PARAMS ((bfd *, const Elf64_External_Rela *, Elf_Internal_Rela *)); | |
1231 | extern void bfd_elf64_swap_reloca_out | |
1232 | PARAMS ((bfd *, const Elf_Internal_Rela *, Elf64_External_Rela *)); | |
1233 | extern void bfd_elf64_swap_phdr_in | |
1234 | PARAMS ((bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *)); | |
1235 | extern void bfd_elf64_swap_phdr_out | |
1236 | PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *)); | |
1237 | extern void bfd_elf64_swap_dyn_in | |
1238 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
1239 | extern void bfd_elf64_swap_dyn_out | |
c7ac6ff8 | 1240 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
252b5132 RH |
1241 | extern long bfd_elf64_slurp_symbol_table |
1242 | PARAMS ((bfd *, asymbol **, boolean)); | |
1243 | extern boolean bfd_elf64_write_shdrs_and_ehdr PARAMS ((bfd *)); | |
1244 | extern int bfd_elf64_write_out_phdrs | |
1245 | PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); | |
b9f66672 JL |
1246 | extern void bfd_elf64_write_relocs |
1247 | PARAMS ((bfd *, asection *, PTR)); | |
1248 | extern boolean bfd_elf64_slurp_reloc_table | |
1249 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
252b5132 RH |
1250 | extern boolean bfd_elf64_add_dynamic_entry |
1251 | PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); | |
1252 | extern boolean bfd_elf64_link_create_dynamic_sections | |
1253 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1254 | extern Elf_Internal_Rela *_bfd_elf64_link_read_relocs | |
1255 | PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); | |
1256 | ||
30b30c21 RH |
1257 | #define bfd_elf32_link_record_dynamic_symbol \ |
1258 | _bfd_elf_link_record_dynamic_symbol | |
1259 | #define bfd_elf64_link_record_dynamic_symbol \ | |
1260 | _bfd_elf_link_record_dynamic_symbol | |
1261 | ||
1262 | boolean _bfd_elf32_link_record_local_dynamic_symbol | |
1263 | PARAMS ((struct bfd_link_info *, bfd *, long)); | |
1264 | boolean _bfd_elf64_link_record_local_dynamic_symbol | |
1265 | PARAMS ((struct bfd_link_info *, bfd *, long)); | |
252b5132 RH |
1266 | |
1267 | extern boolean _bfd_elf_close_and_cleanup PARAMS ((bfd *)); | |
1268 | extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn | |
1269 | PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, | |
1270 | asection *, bfd *, char **)); | |
1271 | ||
1272 | boolean _bfd_elf32_gc_sections | |
1273 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1274 | boolean _bfd_elf32_gc_common_finalize_got_offsets | |
1275 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1276 | boolean _bfd_elf32_gc_common_final_link | |
1277 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1278 | boolean _bfd_elf32_gc_record_vtinherit | |
1279 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1280 | boolean _bfd_elf32_gc_record_vtentry | |
1281 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1282 | ||
1283 | boolean _bfd_elf64_gc_sections | |
1284 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1285 | boolean _bfd_elf64_gc_common_finalize_got_offsets | |
1286 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1287 | boolean _bfd_elf64_gc_common_final_link | |
1288 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1289 | boolean _bfd_elf64_gc_record_vtinherit | |
1290 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1291 | boolean _bfd_elf64_gc_record_vtentry | |
1292 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1293 | ||
1294 | /* MIPS ELF specific routines. */ | |
1295 | ||
1296 | extern boolean _bfd_mips_elf_object_p PARAMS ((bfd *)); | |
1297 | extern boolean _bfd_mips_elf_section_from_shdr | |
103186c6 | 1298 | PARAMS ((bfd *, Elf_Internal_Shdr *, char *)); |
252b5132 RH |
1299 | extern boolean _bfd_mips_elf_fake_sections |
1300 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); | |
1301 | extern boolean _bfd_mips_elf_section_from_bfd_section | |
1302 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, int *)); | |
1303 | extern boolean _bfd_mips_elf_section_processing | |
1304 | PARAMS ((bfd *, Elf_Internal_Shdr *)); | |
1305 | extern void _bfd_mips_elf_symbol_processing PARAMS ((bfd *, asymbol *)); | |
1306 | extern boolean _bfd_mips_elf_read_ecoff_info | |
1307 | PARAMS ((bfd *, asection *, struct ecoff_debug_info *)); | |
1308 | extern void _bfd_mips_elf_final_write_processing PARAMS ((bfd *, boolean)); | |
1309 | extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc | |
1310 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1311 | extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc | |
1312 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1313 | extern bfd_reloc_status_type _bfd_mips_elf_gprel16_reloc | |
1314 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1315 | extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc | |
1316 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1317 | extern bfd_reloc_status_type _bfd_mips_elf_gprel32_reloc | |
1318 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1319 | extern boolean _bfd_mips_elf_set_private_flags PARAMS ((bfd *, flagword)); | |
1320 | extern boolean _bfd_mips_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *)); | |
1321 | extern boolean _bfd_mips_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *)); | |
1322 | extern boolean _bfd_mips_elf_find_nearest_line | |
1323 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, | |
1324 | const char **, unsigned int *)); | |
1325 | extern boolean _bfd_mips_elf_set_section_contents | |
1326 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
103186c6 MM |
1327 | extern boolean _bfd_mips_elf_create_dynamic_sections |
1328 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1329 | extern boolean _bfd_mips_elf_add_symbol_hook | |
1330 | PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, | |
1331 | const char **, flagword *, asection **, bfd_vma *)); | |
1332 | extern boolean _bfd_mips_elf_adjust_dynamic_symbol | |
1333 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); | |
1334 | extern boolean _bfd_mips_elf_finish_dynamic_symbol | |
1335 | PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, | |
1336 | Elf_Internal_Sym *)); | |
1337 | extern boolean _bfd_mips_elf_finish_dynamic_sections | |
1338 | PARAMS ((bfd *, struct bfd_link_info *)); | |
60bcf0fa | 1339 | extern asection * _bfd_mips_elf_gc_mark_hook |
103186c6 MM |
1340 | PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, |
1341 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); | |
60bcf0fa NC |
1342 | extern boolean _bfd_mips_elf_gc_sweep_hook |
1343 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
103186c6 MM |
1344 | const Elf_Internal_Rela *)); |
1345 | extern boolean _bfd_mips_elf_always_size_sections | |
1346 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1347 | extern boolean _bfd_mips_elf_size_dynamic_sections | |
1348 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1349 | extern boolean _bfd_mips_elf_check_relocs | |
1350 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
1351 | const Elf_Internal_Rela *)); | |
1352 | extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create | |
1353 | PARAMS ((bfd *)); | |
60bcf0fa | 1354 | extern boolean _bfd_mips_elf_print_private_bfd_data |
103186c6 MM |
1355 | PARAMS ((bfd *, PTR)); |
1356 | extern boolean _bfd_mips_elf_link_output_symbol_hook | |
1357 | PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *, | |
1358 | asection *)); | |
1359 | extern boolean _bfd_mips_elf_final_link | |
1360 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1361 | extern int _bfd_mips_elf_additional_program_headers PARAMS ((bfd *)); | |
1362 | extern boolean _bfd_mips_elf_modify_segment_map PARAMS ((bfd *)); | |
1363 | extern boolean _bfd_mips_elf_relocate_section | |
1364 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
1365 | Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); | |
252b5132 | 1366 | |
d4845d57 JR |
1367 | /* SH ELF specific routine. */ |
1368 | ||
1369 | extern boolean _sh_elf_set_mach_from_flags PARAMS ((bfd *)); | |
1370 | ||
252b5132 | 1371 | #endif /* _LIBELF_H_ */ |