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252b5132 | 1 | /* BFD back-end data structures for ELF files. |
d4845d57 | 2 | Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 1999, 2000 Free Software |
6c8cb66e | 3 | 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 | ||
30 | /* If size isn't specified as 64 or 32, NAME macro should fail. */ | |
31 | #ifndef NAME | |
32 | #if ARCH_SIZE==64 | |
33 | #define NAME(x,y) CAT4(x,64,_,y) | |
34 | #endif | |
35 | #if ARCH_SIZE==32 | |
36 | #define NAME(x,y) CAT4(x,32,_,y) | |
37 | #endif | |
38 | #endif | |
39 | ||
40 | #ifndef NAME | |
41 | #define NAME(x,y) CAT4(x,NOSIZE,_,y) | |
42 | #endif | |
43 | ||
44 | #define ElfNAME(X) NAME(Elf,X) | |
45 | #define elfNAME(X) NAME(elf,X) | |
46 | ||
47 | /* Information held for an ELF symbol. The first field is the | |
48 | corresponding asymbol. Every symbol is an ELF file is actually a | |
49 | pointer to this structure, although it is often handled as a | |
50 | pointer to an asymbol. */ | |
51 | ||
52 | typedef struct | |
53 | { | |
54 | /* The BFD symbol. */ | |
55 | asymbol symbol; | |
56 | /* ELF symbol information. */ | |
57 | Elf_Internal_Sym internal_elf_sym; | |
58 | /* Backend specific information. */ | |
59 | union | |
60 | { | |
61 | unsigned int hppa_arg_reloc; | |
62 | PTR mips_extr; | |
63 | PTR any; | |
64 | } | |
65 | tc_data; | |
66 | ||
67 | /* Version information. This is from an Elf_Internal_Versym | |
68 | structure in a SHT_GNU_versym section. It is zero if there is no | |
69 | version information. */ | |
70 | unsigned short version; | |
71 | ||
72 | } elf_symbol_type; | |
73 | \f | |
74 | /* ELF linker hash table entries. */ | |
75 | ||
76 | struct elf_link_hash_entry | |
77 | { | |
78 | struct bfd_link_hash_entry root; | |
79 | ||
80 | /* Symbol index in output file. This is initialized to -1. It is | |
81 | set to -2 if the symbol is used by a reloc. */ | |
82 | long indx; | |
83 | ||
84 | /* Symbol size. */ | |
85 | bfd_size_type size; | |
86 | ||
87 | /* Symbol index as a dynamic symbol. Initialized to -1, and remains | |
88 | -1 if this is not a dynamic symbol. */ | |
30b30c21 RH |
89 | /* ??? Note that this is consistently used as a synonym for tests |
90 | against whether we can perform various simplifying transformations | |
91 | to the code. (E.g. changing a pc-relative jump to a PLT entry | |
92 | into a pc-relative jump to the target function.) That test, which | |
93 | is often relatively complex, and someplaces wrong or incomplete, | |
94 | should really be replaced by a predicate in elflink.c. | |
95 | ||
96 | End result: this field -1 does not indicate that the symbol is | |
97 | not in the dynamic symbol table, but rather that the symbol is | |
98 | not visible outside this DSO. */ | |
252b5132 RH |
99 | long dynindx; |
100 | ||
101 | /* String table index in .dynstr if this is a dynamic symbol. */ | |
102 | unsigned long dynstr_index; | |
103 | ||
104 | /* If this is a weak defined symbol from a dynamic object, this | |
105 | field points to a defined symbol with the same value, if there is | |
106 | one. Otherwise it is NULL. */ | |
107 | struct elf_link_hash_entry *weakdef; | |
108 | ||
109 | /* If this symbol requires an entry in the global offset table, the | |
110 | processor specific backend uses this field to track usage and | |
111 | final offset. We use a union and two names primarily to document | |
112 | the intent of any particular piece of code. The field should be | |
113 | used as a count until size_dynamic_sections, at which point the | |
114 | contents of the .got is fixed. Afterward, if this field is -1, | |
115 | then the symbol does not require a global offset table entry. */ | |
116 | union | |
117 | { | |
118 | bfd_signed_vma refcount; | |
119 | bfd_vma offset; | |
120 | } got; | |
121 | ||
122 | /* Same, but tracks a procedure linkage table entry. */ | |
123 | union | |
124 | { | |
125 | bfd_signed_vma refcount; | |
126 | bfd_vma offset; | |
127 | } plt; | |
128 | ||
129 | /* If this symbol is used in the linker created sections, the processor | |
130 | specific backend uses this field to map the field into the offset | |
131 | from the beginning of the section. */ | |
132 | struct elf_linker_section_pointers *linker_section_pointer; | |
133 | ||
134 | /* Version information. */ | |
135 | union | |
136 | { | |
137 | /* This field is used for a symbol which is not defined in a | |
138 | regular object. It points to the version information read in | |
139 | from the dynamic object. */ | |
140 | Elf_Internal_Verdef *verdef; | |
141 | /* This field is used for a symbol which is defined in a regular | |
142 | object. It is set up in size_dynamic_sections. It points to | |
143 | the version information we should write out for this symbol. */ | |
144 | struct bfd_elf_version_tree *vertree; | |
145 | } verinfo; | |
146 | ||
147 | /* Virtual table entry use information. This array is nominally of size | |
148 | size/sizeof(target_void_pointer), though we have to be able to assume | |
149 | and track a size while the symbol is still undefined. It is indexed | |
150 | via offset/sizeof(target_void_pointer). */ | |
151 | size_t vtable_entries_size; | |
152 | boolean *vtable_entries_used; | |
153 | ||
154 | /* Virtual table derivation info. */ | |
155 | struct elf_link_hash_entry *vtable_parent; | |
156 | ||
157 | /* Symbol type (STT_NOTYPE, STT_OBJECT, etc.). */ | |
158 | char type; | |
159 | ||
9b234ee9 | 160 | /* Symbol st_other value, symbol visibility. */ |
252b5132 RH |
161 | unsigned char other; |
162 | ||
163 | /* Hash value of the name computed using the ELF hash function. */ | |
164 | unsigned long elf_hash_value; | |
165 | ||
166 | /* Some flags; legal values follow. */ | |
167 | unsigned short elf_link_hash_flags; | |
168 | /* Symbol is referenced by a non-shared object. */ | |
169 | #define ELF_LINK_HASH_REF_REGULAR 01 | |
170 | /* Symbol is defined by a non-shared object. */ | |
171 | #define ELF_LINK_HASH_DEF_REGULAR 02 | |
172 | /* Symbol is referenced by a shared object. */ | |
173 | #define ELF_LINK_HASH_REF_DYNAMIC 04 | |
174 | /* Symbol is defined by a shared object. */ | |
175 | #define ELF_LINK_HASH_DEF_DYNAMIC 010 | |
176 | /* Symbol has a non-weak reference from a non-shared object. */ | |
177 | #define ELF_LINK_HASH_REF_REGULAR_NONWEAK 020 | |
178 | /* Dynamic symbol has been adjustd. */ | |
179 | #define ELF_LINK_HASH_DYNAMIC_ADJUSTED 040 | |
180 | /* Symbol needs a copy reloc. */ | |
181 | #define ELF_LINK_HASH_NEEDS_COPY 0100 | |
182 | /* Symbol needs a procedure linkage table entry. */ | |
183 | #define ELF_LINK_HASH_NEEDS_PLT 0200 | |
184 | /* Symbol appears in a non-ELF input file. */ | |
185 | #define ELF_LINK_NON_ELF 0400 | |
186 | /* Symbol should be marked as hidden in the version information. */ | |
187 | #define ELF_LINK_HIDDEN 01000 | |
188 | /* Symbol was forced to local scope due to a version script file. */ | |
189 | #define ELF_LINK_FORCED_LOCAL 02000 | |
190 | /* Symbol was marked during garbage collection. */ | |
191 | #define ELF_LINK_HASH_MARK 04000 | |
7843f00e ILT |
192 | /* Symbol is referenced by a non-GOT/non-PLT relocation. This is |
193 | not currently set by all the backends. */ | |
194 | #define ELF_LINK_NON_GOT_REF 010000 | |
252b5132 RH |
195 | }; |
196 | ||
30b30c21 RH |
197 | /* Records local symbols to be emitted in the dynamic symbol table. */ |
198 | ||
199 | struct elf_link_local_dynamic_entry | |
200 | { | |
201 | struct elf_link_local_dynamic_entry *next; | |
202 | ||
203 | /* The input bfd this symbol came from. */ | |
204 | bfd *input_bfd; | |
205 | ||
206 | /* The index of the local symbol being copied. */ | |
207 | long input_indx; | |
208 | ||
209 | /* The index in the outgoing dynamic symbol table. */ | |
210 | long dynindx; | |
3e932841 | 211 | |
30b30c21 RH |
212 | /* A copy of the input symbol. */ |
213 | Elf_Internal_Sym isym; | |
214 | }; | |
215 | ||
252b5132 RH |
216 | /* ELF linker hash table. */ |
217 | ||
218 | struct elf_link_hash_table | |
219 | { | |
220 | struct bfd_link_hash_table root; | |
221 | /* Whether we have created the special dynamic sections required | |
222 | when linking against or generating a shared object. */ | |
223 | boolean dynamic_sections_created; | |
224 | /* The BFD used to hold special sections created by the linker. | |
225 | This will be the first BFD found which requires these sections to | |
226 | be created. */ | |
227 | bfd *dynobj; | |
228 | /* The number of symbols found in the link which must be put into | |
229 | the .dynsym section. */ | |
230 | bfd_size_type dynsymcount; | |
231 | /* The string table of dynamic symbols, which becomes the .dynstr | |
232 | section. */ | |
233 | struct bfd_strtab_hash *dynstr; | |
234 | /* The number of buckets in the hash table in the .hash section. | |
235 | This is based on the number of dynamic symbols. */ | |
236 | bfd_size_type bucketcount; | |
237 | /* A linked list of DT_NEEDED names found in dynamic objects | |
238 | included in the link. */ | |
239 | struct bfd_link_needed_list *needed; | |
240 | /* The _GLOBAL_OFFSET_TABLE_ symbol. */ | |
241 | struct elf_link_hash_entry *hgot; | |
242 | /* A pointer to information used to link stabs in sections. */ | |
243 | PTR stab_info; | |
30b30c21 RH |
244 | /* A linked list of local symbols to be added to .dynsym. */ |
245 | struct elf_link_local_dynamic_entry *dynlocal; | |
a963dc6a L |
246 | /* A linked list of DT_RPATH/DT_RUNPATH names found in dynamic |
247 | objects included in the link. */ | |
248 | struct bfd_link_needed_list *runpath; | |
252b5132 RH |
249 | }; |
250 | ||
251 | /* Look up an entry in an ELF linker hash table. */ | |
252 | ||
253 | #define elf_link_hash_lookup(table, string, create, copy, follow) \ | |
254 | ((struct elf_link_hash_entry *) \ | |
255 | bfd_link_hash_lookup (&(table)->root, (string), (create), \ | |
256 | (copy), (follow))) | |
257 | ||
258 | /* Traverse an ELF linker hash table. */ | |
259 | ||
260 | #define elf_link_hash_traverse(table, func, info) \ | |
261 | (bfd_link_hash_traverse \ | |
262 | (&(table)->root, \ | |
263 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ | |
264 | (info))) | |
265 | ||
266 | /* Get the ELF linker hash table from a link_info structure. */ | |
267 | ||
268 | #define elf_hash_table(p) ((struct elf_link_hash_table *) ((p)->hash)) | |
269 | \f | |
270 | /* Constant information held for an ELF backend. */ | |
271 | ||
272 | struct elf_size_info { | |
273 | unsigned char sizeof_ehdr, sizeof_phdr, sizeof_shdr; | |
274 | unsigned char sizeof_rel, sizeof_rela, sizeof_sym, sizeof_dyn, sizeof_note; | |
275 | ||
c7ac6ff8 MM |
276 | /* The size of entries in the .hash section. */ |
277 | unsigned char sizeof_hash_entry; | |
278 | ||
279 | /* The number of internal relocations to allocate per external | |
280 | relocation entry. */ | |
281 | unsigned char int_rels_per_ext_rel; | |
282 | ||
252b5132 RH |
283 | unsigned char arch_size, file_align; |
284 | unsigned char elfclass, ev_current; | |
285 | int (*write_out_phdrs) PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); | |
286 | boolean (*write_shdrs_and_ehdr) PARAMS ((bfd *)); | |
287 | void (*write_relocs) PARAMS ((bfd *, asection *, PTR)); | |
288 | void (*swap_symbol_out) PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); | |
289 | boolean (*slurp_reloc_table) | |
290 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
291 | long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean)); | |
292 | void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
c7ac6ff8 MM |
293 | void (*swap_dyn_out) PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
294 | ||
295 | /* This function, if defined, is called to swap in a REL | |
296 | relocation. If an external relocation corresponds to more than | |
297 | one internal relocation, then all relocations are swapped in at | |
298 | once. */ | |
299 | void (*swap_reloc_in) | |
300 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rel *)); | |
301 | ||
302 | /* This function, if defined, is called to swap out a REL | |
303 | relocation. */ | |
304 | void (*swap_reloc_out) | |
305 | PARAMS ((bfd *, const Elf_Internal_Rel *, bfd_byte *)); | |
306 | ||
307 | /* This function, if defined, is called to swap in a RELA | |
308 | relocation. If an external relocation corresponds to more than | |
309 | one internal relocation, then all relocations are swapped in at | |
310 | once. */ | |
311 | void (*swap_reloca_in) | |
312 | PARAMS ((bfd *, const bfd_byte *, Elf_Internal_Rela *)); | |
313 | ||
314 | /* This function, if defined, is called to swap out a RELA | |
315 | relocation. */ | |
316 | void (*swap_reloca_out) | |
317 | PARAMS ((bfd *, const Elf_Internal_Rela *, bfd_byte *)); | |
318 | ||
252b5132 RH |
319 | }; |
320 | ||
321 | #define elf_symbol_from(ABFD,S) \ | |
322 | (((S)->the_bfd->xvec->flavour == bfd_target_elf_flavour \ | |
323 | && (S)->the_bfd->tdata.elf_obj_data != 0) \ | |
324 | ? (elf_symbol_type *) (S) \ | |
325 | : 0) | |
326 | ||
327 | struct elf_backend_data | |
328 | { | |
252b5132 RH |
329 | /* The architecture for this backend. */ |
330 | enum bfd_architecture arch; | |
331 | ||
332 | /* The ELF machine code (EM_xxxx) for this backend. */ | |
333 | int elf_machine_code; | |
334 | ||
335 | /* The maximum page size for this backend. */ | |
336 | bfd_vma maxpagesize; | |
337 | ||
252b5132 RH |
338 | /* A function to translate an ELF RELA relocation to a BFD arelent |
339 | structure. */ | |
340 | void (*elf_info_to_howto) PARAMS ((bfd *, arelent *, | |
341 | Elf_Internal_Rela *)); | |
342 | ||
343 | /* A function to translate an ELF REL relocation to a BFD arelent | |
344 | structure. */ | |
345 | void (*elf_info_to_howto_rel) PARAMS ((bfd *, arelent *, | |
346 | Elf_Internal_Rel *)); | |
347 | ||
348 | /* A function to determine whether a symbol is global when | |
349 | partitioning the symbol table into local and global symbols. | |
350 | This should be NULL for most targets, in which case the correct | |
351 | thing will be done. MIPS ELF, at least on the Irix 5, has | |
352 | special requirements. */ | |
353 | boolean (*elf_backend_sym_is_global) PARAMS ((bfd *, asymbol *)); | |
354 | ||
355 | /* The remaining functions are hooks which are called only if they | |
356 | are not NULL. */ | |
357 | ||
358 | /* A function to permit a backend specific check on whether a | |
359 | particular BFD format is relevant for an object file, and to | |
360 | permit the backend to set any global information it wishes. When | |
361 | this is called elf_elfheader is set, but anything else should be | |
362 | used with caution. If this returns false, the check_format | |
363 | routine will return a bfd_error_wrong_format error. */ | |
364 | boolean (*elf_backend_object_p) PARAMS ((bfd *)); | |
365 | ||
366 | /* A function to do additional symbol processing when reading the | |
367 | ELF symbol table. This is where any processor-specific special | |
368 | section indices are handled. */ | |
369 | void (*elf_backend_symbol_processing) PARAMS ((bfd *, asymbol *)); | |
370 | ||
371 | /* A function to do additional symbol processing after reading the | |
372 | entire ELF symbol table. */ | |
373 | boolean (*elf_backend_symbol_table_processing) PARAMS ((bfd *, | |
374 | elf_symbol_type *, | |
375 | unsigned int)); | |
376 | ||
377 | /* A function to set the type of the info field. Processor-specific | |
3e932841 | 378 | types should be handled here. */ |
60bcf0fa NC |
379 | int (*elf_backend_get_symbol_type) PARAMS (( Elf_Internal_Sym *, int)); |
380 | ||
252b5132 RH |
381 | /* A function to do additional processing on the ELF section header |
382 | just before writing it out. This is used to set the flags and | |
383 | type fields for some sections, or to actually write out data for | |
384 | unusual sections. */ | |
385 | boolean (*elf_backend_section_processing) PARAMS ((bfd *, | |
386 | Elf32_Internal_Shdr *)); | |
387 | ||
388 | /* A function to handle unusual section types when creating BFD | |
389 | sections from ELF sections. */ | |
390 | boolean (*elf_backend_section_from_shdr) PARAMS ((bfd *, | |
391 | Elf32_Internal_Shdr *, | |
392 | char *)); | |
393 | ||
fa152c49 JW |
394 | /* A function to convert machine dependent section header flags to |
395 | BFD internal section header flags. */ | |
396 | boolean (*elf_backend_section_flags) PARAMS ((flagword *, | |
397 | Elf32_Internal_Shdr *)); | |
398 | ||
20cfcaae | 399 | /* A function to handle unusual program segment types when creating BFD |
3e932841 | 400 | sections from ELF program segments. */ |
20cfcaae NC |
401 | boolean (*elf_backend_section_from_phdr) PARAMS ((bfd *, |
402 | Elf32_Internal_Phdr *, | |
403 | int)); | |
404 | ||
252b5132 RH |
405 | /* A function to set up the ELF section header for a BFD section in |
406 | preparation for writing it out. This is where the flags and type | |
407 | fields are set for unusual sections. */ | |
408 | boolean (*elf_backend_fake_sections) PARAMS ((bfd *, Elf32_Internal_Shdr *, | |
409 | asection *)); | |
410 | ||
411 | /* A function to get the ELF section index for a BFD section. If | |
412 | this returns true, the section was found. If it is a normal ELF | |
413 | section, *RETVAL should be left unchanged. If it is not a normal | |
414 | ELF section *RETVAL should be set to the SHN_xxxx index. */ | |
415 | boolean (*elf_backend_section_from_bfd_section) | |
416 | PARAMS ((bfd *, Elf32_Internal_Shdr *, asection *, int *retval)); | |
417 | ||
418 | /* If this field is not NULL, it is called by the add_symbols phase | |
419 | of a link just before adding a symbol to the global linker hash | |
420 | table. It may modify any of the fields as it wishes. If *NAME | |
421 | is set to NULL, the symbol will be skipped rather than being | |
422 | added to the hash table. This function is responsible for | |
423 | handling all processor dependent symbol bindings and section | |
424 | indices, and must set at least *FLAGS and *SEC for each processor | |
425 | dependent case; failure to do so will cause a link error. */ | |
426 | boolean (*elf_add_symbol_hook) | |
427 | PARAMS ((bfd *abfd, struct bfd_link_info *info, | |
428 | const Elf_Internal_Sym *, const char **name, | |
429 | flagword *flags, asection **sec, bfd_vma *value)); | |
430 | ||
431 | /* If this field is not NULL, it is called by the elf_link_output_sym | |
432 | phase of a link for each symbol which will appear in the object file. */ | |
433 | boolean (*elf_backend_link_output_symbol_hook) | |
434 | PARAMS ((bfd *, struct bfd_link_info *info, const char *, | |
435 | Elf_Internal_Sym *, asection *)); | |
436 | ||
437 | /* The CREATE_DYNAMIC_SECTIONS function is called by the ELF backend | |
438 | linker the first time it encounters a dynamic object in the link. | |
439 | This function must create any sections required for dynamic | |
440 | linking. The ABFD argument is a dynamic object. The .interp, | |
441 | .dynamic, .dynsym, .dynstr, and .hash functions have already been | |
442 | created, and this function may modify the section flags if | |
443 | desired. This function will normally create the .got and .plt | |
444 | sections, but different backends have different requirements. */ | |
445 | boolean (*elf_backend_create_dynamic_sections) | |
446 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
447 | ||
448 | /* The CHECK_RELOCS function is called by the add_symbols phase of | |
449 | the ELF backend linker. It is called once for each section with | |
450 | relocs of an object file, just after the symbols for the object | |
451 | file have been added to the global linker hash table. The | |
452 | function must look through the relocs and do any special handling | |
453 | required. This generally means allocating space in the global | |
454 | offset table, and perhaps allocating space for a reloc. The | |
455 | relocs are always passed as Rela structures; if the section | |
456 | actually uses Rel structures, the r_addend field will always be | |
457 | zero. */ | |
458 | boolean (*check_relocs) | |
459 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, | |
460 | const Elf_Internal_Rela *relocs)); | |
461 | ||
462 | /* The ADJUST_DYNAMIC_SYMBOL function is called by the ELF backend | |
463 | linker for every symbol which is defined by a dynamic object and | |
464 | referenced by a regular object. This is called after all the | |
465 | input files have been seen, but before the SIZE_DYNAMIC_SECTIONS | |
466 | function has been called. The hash table entry should be | |
467 | bfd_link_hash_defined ore bfd_link_hash_defweak, and it should be | |
468 | defined in a section from a dynamic object. Dynamic object | |
469 | sections are not included in the final link, and this function is | |
470 | responsible for changing the value to something which the rest of | |
471 | the link can deal with. This will normally involve adding an | |
472 | entry to the .plt or .got or some such section, and setting the | |
473 | symbol to point to that. */ | |
474 | boolean (*elf_backend_adjust_dynamic_symbol) | |
475 | PARAMS ((struct bfd_link_info *info, struct elf_link_hash_entry *h)); | |
476 | ||
477 | /* The ALWAYS_SIZE_SECTIONS function is called by the backend linker | |
478 | after all the linker input files have been seen but before the | |
479 | section sizes have been set. This is called after | |
480 | ADJUST_DYNAMIC_SYMBOL, but before SIZE_DYNAMIC_SECTIONS. */ | |
481 | boolean (*elf_backend_always_size_sections) | |
482 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); | |
483 | ||
484 | /* The SIZE_DYNAMIC_SECTIONS function is called by the ELF backend | |
485 | linker after all the linker input files have been seen but before | |
486 | the sections sizes have been set. This is called after | |
487 | ADJUST_DYNAMIC_SYMBOL has been called on all appropriate symbols. | |
488 | It is only called when linking against a dynamic object. It must | |
489 | set the sizes of the dynamic sections, and may fill in their | |
490 | contents as well. The generic ELF linker can handle the .dynsym, | |
491 | .dynstr and .hash sections. This function must handle the | |
492 | .interp section and any sections created by the | |
493 | CREATE_DYNAMIC_SECTIONS entry point. */ | |
494 | boolean (*elf_backend_size_dynamic_sections) | |
495 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); | |
496 | ||
497 | /* The RELOCATE_SECTION function is called by the ELF backend linker | |
498 | to handle the relocations for a section. | |
499 | ||
500 | The relocs are always passed as Rela structures; if the section | |
501 | actually uses Rel structures, the r_addend field will always be | |
502 | zero. | |
503 | ||
504 | This function is responsible for adjust the section contents as | |
505 | necessary, and (if using Rela relocs and generating a | |
506 | relocateable output file) adjusting the reloc addend as | |
507 | necessary. | |
508 | ||
509 | This function does not have to worry about setting the reloc | |
510 | address or the reloc symbol index. | |
511 | ||
512 | LOCAL_SYMS is a pointer to the swapped in local symbols. | |
513 | ||
514 | LOCAL_SECTIONS is an array giving the section in the input file | |
515 | corresponding to the st_shndx field of each local symbol. | |
516 | ||
517 | The global hash table entry for the global symbols can be found | |
518 | via elf_sym_hashes (input_bfd). | |
519 | ||
520 | When generating relocateable output, this function must handle | |
521 | STB_LOCAL/STT_SECTION symbols specially. The output symbol is | |
522 | going to be the section symbol corresponding to the output | |
523 | section, which means that the addend must be adjusted | |
524 | accordingly. */ | |
525 | boolean (*elf_backend_relocate_section) | |
526 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, | |
527 | bfd *input_bfd, asection *input_section, bfd_byte *contents, | |
528 | Elf_Internal_Rela *relocs, Elf_Internal_Sym *local_syms, | |
529 | asection **local_sections)); | |
530 | ||
531 | /* The FINISH_DYNAMIC_SYMBOL function is called by the ELF backend | |
532 | linker just before it writes a symbol out to the .dynsym section. | |
533 | The processor backend may make any required adjustment to the | |
534 | symbol. It may also take the opportunity to set contents of the | |
535 | dynamic sections. Note that FINISH_DYNAMIC_SYMBOL is called on | |
536 | all .dynsym symbols, while ADJUST_DYNAMIC_SYMBOL is only called | |
537 | on those symbols which are defined by a dynamic object. */ | |
538 | boolean (*elf_backend_finish_dynamic_symbol) | |
539 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info, | |
540 | struct elf_link_hash_entry *h, Elf_Internal_Sym *sym)); | |
541 | ||
542 | /* The FINISH_DYNAMIC_SECTIONS function is called by the ELF backend | |
543 | linker just before it writes all the dynamic sections out to the | |
544 | output file. The FINISH_DYNAMIC_SYMBOL will have been called on | |
545 | all dynamic symbols. */ | |
546 | boolean (*elf_backend_finish_dynamic_sections) | |
547 | PARAMS ((bfd *output_bfd, struct bfd_link_info *info)); | |
548 | ||
549 | /* A function to do any beginning processing needed for the ELF file | |
550 | before building the ELF headers and computing file positions. */ | |
551 | void (*elf_backend_begin_write_processing) | |
552 | PARAMS ((bfd *, struct bfd_link_info *)); | |
553 | ||
554 | /* A function to do any final processing needed for the ELF file | |
555 | before writing it out. The LINKER argument is true if this BFD | |
556 | was created by the ELF backend linker. */ | |
557 | void (*elf_backend_final_write_processing) | |
558 | PARAMS ((bfd *, boolean linker)); | |
559 | ||
560 | /* This function is called by get_program_header_size. It should | |
561 | return the number of additional program segments which this BFD | |
562 | will need. It should return -1 on error. */ | |
563 | int (*elf_backend_additional_program_headers) PARAMS ((bfd *)); | |
564 | ||
565 | /* This function is called to modify an existing segment map in a | |
566 | backend specific fashion. */ | |
567 | boolean (*elf_backend_modify_segment_map) PARAMS ((bfd *)); | |
568 | ||
569 | /* This function is called during section gc to discover the section a | |
570 | particular relocation refers to. It need not be defined for hosts | |
571 | that have no queer relocation types. */ | |
572 | asection * (*gc_mark_hook) | |
573 | PARAMS ((bfd *abfd, struct bfd_link_info *, Elf_Internal_Rela *, | |
574 | struct elf_link_hash_entry *h, Elf_Internal_Sym *)); | |
575 | ||
576 | /* This function, if defined, is called during the sweep phase of gc | |
577 | in order that a backend might update any data structures it might | |
578 | be maintaining. */ | |
579 | boolean (*gc_sweep_hook) | |
580 | PARAMS ((bfd *abfd, struct bfd_link_info *info, asection *o, | |
581 | const Elf_Internal_Rela *relocs)); | |
582 | ||
e6c51ed4 NC |
583 | /* This function, if defined, is called after the ELF headers have |
584 | been created. This allows for things like the OS and ABI versions | |
585 | to be changed. */ | |
586 | void (*elf_backend_post_process_headers) | |
587 | PARAMS ((bfd *, struct bfd_link_info *)); | |
588 | ||
587ff49e RH |
589 | /* This function, if defined, prints a symbol to file and returns the |
590 | name of the symbol to be printed. It should return NULL to fall | |
591 | back to default symbol printing. */ | |
592 | const char *(*elf_backend_print_symbol_all) | |
593 | PARAMS ((bfd *, PTR, asymbol *)); | |
594 | ||
595 | /* This function, if defined, is called after all local symbols and | |
596 | global symbols converted to locals are emited into the symtab | |
597 | section. It allows the backend to emit special global symbols | |
598 | not handled in the hash table. */ | |
599 | boolean (*elf_backend_output_arch_syms) | |
600 | PARAMS ((bfd *, struct bfd_link_info *, PTR, | |
601 | boolean (*) PARAMS ((PTR, const char *, | |
602 | Elf_Internal_Sym *, asection *)))); | |
603 | ||
c61b8717 RH |
604 | /* Copy any information related to dynamic linking from a pre-existing |
605 | symbol IND to a newly created symbol DIR. */ | |
606 | void (*elf_backend_copy_indirect_symbol) | |
607 | PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *)); | |
608 | ||
609 | /* Modify any information related to dynamic linking such that the | |
610 | symbol is not exported. */ | |
611 | void (*elf_backend_hide_symbol) | |
f41cbf03 | 612 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
c61b8717 | 613 | |
252b5132 RH |
614 | /* The swapping table to use when dealing with ECOFF information. |
615 | Used for the MIPS ELF .mdebug section. */ | |
616 | const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap; | |
617 | ||
618 | /* Alternate EM_xxxx machine codes for this backend. */ | |
619 | int elf_machine_alt1; | |
620 | int elf_machine_alt2; | |
621 | ||
622 | const struct elf_size_info *s; | |
623 | ||
624 | /* offset of the _GLOBAL_OFFSET_TABLE_ symbol from the start of the | |
625 | .got section */ | |
626 | bfd_vma got_symbol_offset; | |
627 | ||
628 | /* The size in bytes of the headers for the GOT and PLT. This includes | |
629 | the so-called reserved entries on some systems. */ | |
630 | bfd_vma got_header_size; | |
631 | bfd_vma plt_header_size; | |
632 | ||
86dc0f79 RH |
633 | /* This is true if the linker should act like collect and gather |
634 | global constructors and destructors by name. This is true for | |
635 | MIPS ELF because the Irix 5 tools can not handle the .init | |
636 | section. */ | |
637 | unsigned collect : 1; | |
638 | ||
639 | /* This is true if the linker should ignore changes to the type of a | |
640 | symbol. This is true for MIPS ELF because some Irix 5 objects | |
641 | record undefined functions as STT_OBJECT although the definitions | |
642 | are STT_FUNC. */ | |
643 | unsigned type_change_ok : 1; | |
644 | ||
bf572ba0 MM |
645 | /* Whether the backend may use REL relocations. (Some backends use |
646 | both REL and RELA relocations, and this flag is set for those | |
647 | backends.) */ | |
648 | unsigned may_use_rel_p : 1; | |
60bcf0fa | 649 | |
bf572ba0 MM |
650 | /* Whether the backend may use RELA relocations. (Some backends use |
651 | both REL and RELA relocations, and this flag is set for those | |
652 | backends.) */ | |
653 | unsigned may_use_rela_p : 1; | |
654 | ||
655 | /* Whether the default relocation type is RELA. If a backend with | |
656 | this flag set wants REL relocations for a particular section, | |
657 | it must note that explicitly. Similarly, if this flag is clear, | |
60bcf0fa NC |
658 | and the backend wants RELA relocations for a particular |
659 | section. */ | |
bf572ba0 MM |
660 | unsigned default_use_rela_p : 1; |
661 | ||
86dc0f79 RH |
662 | /* True if addresses "naturally" sign extend. This is used when |
663 | swapping in from Elf32 when BFD64. */ | |
664 | unsigned sign_extend_vma : 1; | |
665 | ||
252b5132 RH |
666 | unsigned want_got_plt : 1; |
667 | unsigned plt_readonly : 1; | |
668 | unsigned want_plt_sym : 1; | |
669 | unsigned plt_not_loaded : 1; | |
670 | unsigned plt_alignment : 4; | |
671 | unsigned can_gc_sections : 1; | |
3018b441 | 672 | unsigned want_dynbss : 1; |
252b5132 RH |
673 | }; |
674 | ||
675 | /* Information stored for each BFD section in an ELF file. This | |
676 | structure is allocated by elf_new_section_hook. */ | |
677 | ||
678 | struct bfd_elf_section_data | |
679 | { | |
680 | /* The ELF header for this section. */ | |
681 | Elf_Internal_Shdr this_hdr; | |
682 | /* The ELF header for the reloc section associated with this | |
683 | section, if any. */ | |
684 | Elf_Internal_Shdr rel_hdr; | |
685 | /* If there is a second reloc section associated with this section, | |
686 | as can happen on Irix 6, this field points to the header. */ | |
687 | Elf_Internal_Shdr *rel_hdr2; | |
23bc299b MM |
688 | /* The number of relocations currently assigned to REL_HDR. */ |
689 | unsigned int rel_count; | |
690 | /* The number of relocations currently assigned to REL_HDR2. */ | |
691 | unsigned int rel_count2; | |
252b5132 RH |
692 | /* The ELF section number of this section. Only used for an output |
693 | file. */ | |
694 | int this_idx; | |
23bc299b MM |
695 | /* The ELF section number of the reloc section indicated by |
696 | REL_HDR if any. Only used for an output file. */ | |
252b5132 | 697 | int rel_idx; |
23bc299b MM |
698 | /* The ELF section number of the reloc section indicated by |
699 | REL_HDR2 if any. Only used for an output file. */ | |
700 | int rel_idx2; | |
252b5132 RH |
701 | /* Used by the backend linker to store the symbol hash table entries |
702 | associated with relocs against global symbols. */ | |
703 | struct elf_link_hash_entry **rel_hashes; | |
704 | /* A pointer to the swapped relocs. If the section uses REL relocs, | |
705 | rather than RELA, all the r_addend fields will be zero. This | |
706 | pointer may be NULL. It is used by the backend linker. */ | |
707 | Elf_Internal_Rela *relocs; | |
708 | /* Used by the backend linker when generating a shared library to | |
709 | record the dynamic symbol index for a section symbol | |
75945f9f ILT |
710 | corresponding to this section. A value of 0 means that there is |
711 | no dynamic symbol for this section. */ | |
252b5132 RH |
712 | long dynindx; |
713 | /* A pointer used for .stab linking optimizations. */ | |
714 | PTR stab_info; | |
715 | /* A pointer available for the processor specific ELF backend. */ | |
716 | PTR tdata; | |
bf572ba0 MM |
717 | /* Nonzero if this section uses RELA relocations, rather than REL. */ |
718 | unsigned int use_rela_p:1; | |
252b5132 RH |
719 | }; |
720 | ||
721 | #define elf_section_data(sec) ((struct bfd_elf_section_data*)sec->used_by_bfd) | |
722 | ||
723 | #define get_elf_backend_data(abfd) \ | |
724 | ((struct elf_backend_data *) (abfd)->xvec->backend_data) | |
725 | ||
726 | /* Enumeration to specify the special section. */ | |
727 | typedef enum elf_linker_section_enum | |
728 | { | |
729 | LINKER_SECTION_UNKNOWN, /* not used */ | |
730 | LINKER_SECTION_GOT, /* .got section for global offset pointers */ | |
731 | LINKER_SECTION_PLT, /* .plt section for generated procedure stubs */ | |
732 | LINKER_SECTION_SDATA, /* .sdata/.sbss section for PowerPC */ | |
733 | LINKER_SECTION_SDATA2, /* .sdata2/.sbss2 section for PowerPC */ | |
734 | LINKER_SECTION_MAX /* # of linker sections */ | |
735 | } elf_linker_section_enum_t; | |
736 | ||
737 | /* Sections created by the linker. */ | |
738 | ||
739 | typedef struct elf_linker_section | |
740 | { | |
741 | char *name; /* name of the section */ | |
742 | char *rel_name; /* name of the associated .rel{,a}. section */ | |
743 | char *bss_name; /* name of a related .bss section */ | |
744 | char *sym_name; /* name of symbol to reference this section */ | |
745 | asection *section; /* pointer to the section */ | |
746 | asection *bss_section; /* pointer to the bss section associated with this */ | |
747 | asection *rel_section; /* pointer to the relocations needed for this section */ | |
748 | struct elf_link_hash_entry *sym_hash; /* pointer to the created symbol hash value */ | |
749 | bfd_vma initial_size; /* initial size before any linker generated allocations */ | |
750 | bfd_vma sym_offset; /* offset of symbol from beginning of section */ | |
751 | bfd_vma hole_size; /* size of reserved address hole in allocation */ | |
752 | bfd_vma hole_offset; /* current offset for the hole */ | |
753 | bfd_vma max_hole_offset; /* maximum offset for the hole */ | |
754 | elf_linker_section_enum_t which; /* which section this is */ | |
755 | boolean hole_written_p; /* whether the hole has been initialized */ | |
756 | unsigned int alignment; /* alignment for the section */ | |
757 | flagword flags; /* flags to use to create the section */ | |
758 | } elf_linker_section_t; | |
759 | ||
760 | /* Linked list of allocated pointer entries. This hangs off of the symbol lists, and | |
761 | provides allows us to return different pointers, based on different addend's. */ | |
762 | ||
763 | typedef struct elf_linker_section_pointers | |
764 | { | |
765 | struct elf_linker_section_pointers *next; /* next allocated pointer for this symbol */ | |
766 | bfd_vma offset; /* offset of pointer from beginning of section */ | |
767 | bfd_signed_vma addend; /* addend used */ | |
768 | elf_linker_section_enum_t which; /* which linker section this is */ | |
769 | boolean written_address_p; /* whether address was written yet */ | |
770 | } elf_linker_section_pointers_t; | |
771 | ||
772 | /* Some private data is stashed away for future use using the tdata pointer | |
773 | in the bfd structure. */ | |
774 | ||
775 | struct elf_obj_tdata | |
776 | { | |
777 | Elf_Internal_Ehdr elf_header[1]; /* Actual data, but ref like ptr */ | |
778 | Elf_Internal_Shdr **elf_sect_ptr; | |
779 | Elf_Internal_Phdr *phdr; | |
780 | struct elf_segment_map *segment_map; | |
781 | struct bfd_strtab_hash *strtab_ptr; | |
782 | int num_locals; | |
783 | int num_globals; | |
784 | asymbol **section_syms; /* STT_SECTION symbols for each section */ | |
785 | Elf_Internal_Shdr symtab_hdr; | |
786 | Elf_Internal_Shdr shstrtab_hdr; | |
787 | Elf_Internal_Shdr strtab_hdr; | |
788 | Elf_Internal_Shdr dynsymtab_hdr; | |
789 | Elf_Internal_Shdr dynstrtab_hdr; | |
790 | Elf_Internal_Shdr dynversym_hdr; | |
791 | Elf_Internal_Shdr dynverref_hdr; | |
792 | Elf_Internal_Shdr dynverdef_hdr; | |
793 | unsigned int symtab_section, shstrtab_section; | |
794 | unsigned int strtab_section, dynsymtab_section; | |
795 | unsigned int dynversym_section, dynverdef_section, dynverref_section; | |
796 | file_ptr next_file_pos; | |
797 | #if 0 | |
798 | /* we don't need these inside bfd anymore, and I think | |
3e932841 | 799 | these weren't used outside bfd. */ |
252b5132 RH |
800 | void *prstatus; /* The raw /proc prstatus structure */ |
801 | void *prpsinfo; /* The raw /proc prpsinfo structure */ | |
802 | #endif | |
803 | bfd_vma gp; /* The gp value (MIPS only, for now) */ | |
804 | unsigned int gp_size; /* The gp size (MIPS only, for now) */ | |
805 | ||
3e932841 | 806 | /* Information grabbed from an elf core file. */ |
252b5132 RH |
807 | int core_signal; |
808 | int core_pid; | |
809 | int core_lwpid; | |
810 | char* core_program; | |
811 | char* core_command; | |
812 | ||
813 | /* This is set to true if the object was created by the backend | |
814 | linker. */ | |
815 | boolean linker; | |
816 | ||
817 | /* A mapping from external symbols to entries in the linker hash | |
818 | table, used when linking. This is indexed by the symbol index | |
819 | minus the sh_info field of the symbol table header. */ | |
820 | struct elf_link_hash_entry **sym_hashes; | |
821 | ||
822 | /* A mapping from local symbols to offsets into the global offset | |
823 | table, used when linking. This is indexed by the symbol index. | |
824 | Like for the globals, we use a union and two names primarily to | |
825 | document the intent of any particular piece of code. The field | |
826 | should be used as a count until size_dynamic_sections, at which | |
827 | point the contents of the .got is fixed. Afterward, if an entry | |
3e932841 | 828 | is -1, then the symbol does not require a global offset table entry. */ |
252b5132 RH |
829 | union |
830 | { | |
831 | bfd_signed_vma *refcounts; | |
832 | bfd_vma *offsets; | |
833 | } local_got; | |
834 | ||
835 | /* A mapping from local symbols to offsets into the various linker | |
836 | sections added. This is index by the symbol index. */ | |
837 | elf_linker_section_pointers_t **linker_section_pointers; | |
838 | ||
839 | /* The linker ELF emulation code needs to let the backend ELF linker | |
840 | know what filename should be used for a dynamic object if the | |
841 | dynamic object is found using a search. The emulation code then | |
842 | sometimes needs to know what name was actually used. Until the | |
843 | file has been added to the linker symbol table, this field holds | |
844 | the name the linker wants. After it has been added, it holds the | |
845 | name actually used, which will be the DT_SONAME entry if there is | |
846 | one. */ | |
847 | const char *dt_name; | |
848 | ||
74816898 L |
849 | /* When a reference in a regular object is resolved by a shared |
850 | object is loaded into via the DT_NEEDED entries by the linker | |
851 | ELF emulation code, we need to add the shared object to the | |
852 | DT_NEEDED list of the resulting binary to indicate the dependency | |
853 | as if the -l option is passed to the linker. This field holds the | |
3e932841 | 854 | name of the loaded shared object. */ |
74816898 L |
855 | const char *dt_soname; |
856 | ||
252b5132 RH |
857 | /* Irix 5 often screws up the symbol table, sorting local symbols |
858 | after global symbols. This flag is set if the symbol table in | |
859 | this BFD appears to be screwed up. If it is, we ignore the | |
860 | sh_info field in the symbol table header, and always read all the | |
861 | symbols. */ | |
862 | boolean bad_symtab; | |
863 | ||
864 | /* Records the result of `get_program_header_size'. */ | |
865 | bfd_size_type program_header_size; | |
866 | ||
867 | /* Used by find_nearest_line entry point. */ | |
868 | PTR line_info; | |
869 | ||
870 | /* Used by MIPS ELF find_nearest_line entry point. The structure | |
871 | could be included directly in this one, but there's no point to | |
872 | wasting the memory just for the infrequently called | |
873 | find_nearest_line. */ | |
874 | struct mips_elf_find_line *find_line_info; | |
875 | ||
3e932841 | 876 | /* A place to stash dwarf1 info for this bfd. */ |
252b5132 RH |
877 | struct dwarf1_debug *dwarf1_find_line_info; |
878 | ||
3e932841 | 879 | /* A place to stash dwarf2 info for this bfd. */ |
51db3708 | 880 | PTR dwarf2_find_line_info; |
252b5132 RH |
881 | |
882 | /* An array of stub sections indexed by symbol number, used by the | |
883 | MIPS ELF linker. FIXME: We should figure out some way to only | |
884 | include this field for a MIPS ELF target. */ | |
885 | asection **local_stubs; | |
886 | ||
887 | /* Used to determine if the e_flags field has been initialized */ | |
888 | boolean flags_init; | |
889 | ||
890 | /* Number of symbol version definitions we are about to emit. */ | |
891 | unsigned int cverdefs; | |
892 | ||
893 | /* Number of symbol version references we are about to emit. */ | |
894 | unsigned int cverrefs; | |
895 | ||
896 | /* Symbol version definitions in external objects. */ | |
897 | Elf_Internal_Verdef *verdef; | |
898 | ||
899 | /* Symbol version references to external objects. */ | |
900 | Elf_Internal_Verneed *verref; | |
901 | ||
902 | /* Linker sections that we are interested in. */ | |
903 | struct elf_linker_section *linker_section[ (int)LINKER_SECTION_MAX ]; | |
b305ef96 UC |
904 | |
905 | /* The Irix 5 support uses two virtual sections, which represent | |
906 | text/data symbols defined in dynamic objects. */ | |
907 | asymbol *elf_data_symbol; | |
908 | asymbol *elf_text_symbol; | |
909 | asection *elf_data_section; | |
910 | asection *elf_text_section; | |
252b5132 RH |
911 | }; |
912 | ||
913 | #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data) | |
914 | #define elf_elfheader(bfd) (elf_tdata(bfd) -> elf_header) | |
915 | #define elf_elfsections(bfd) (elf_tdata(bfd) -> elf_sect_ptr) | |
916 | #define elf_shstrtab(bfd) (elf_tdata(bfd) -> strtab_ptr) | |
917 | #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) | |
918 | #define elf_dynsymtab(bfd) (elf_tdata(bfd) -> dynsymtab_section) | |
919 | #define elf_dynversym(bfd) (elf_tdata(bfd) -> dynversym_section) | |
920 | #define elf_dynverdef(bfd) (elf_tdata(bfd) -> dynverdef_section) | |
921 | #define elf_dynverref(bfd) (elf_tdata(bfd) -> dynverref_section) | |
922 | #define elf_num_locals(bfd) (elf_tdata(bfd) -> num_locals) | |
923 | #define elf_num_globals(bfd) (elf_tdata(bfd) -> num_globals) | |
924 | #define elf_section_syms(bfd) (elf_tdata(bfd) -> section_syms) | |
925 | #define core_prpsinfo(bfd) (elf_tdata(bfd) -> prpsinfo) | |
926 | #define core_prstatus(bfd) (elf_tdata(bfd) -> prstatus) | |
927 | #define elf_gp(bfd) (elf_tdata(bfd) -> gp) | |
928 | #define elf_gp_size(bfd) (elf_tdata(bfd) -> gp_size) | |
929 | #define elf_sym_hashes(bfd) (elf_tdata(bfd) -> sym_hashes) | |
930 | #define elf_local_got_refcounts(bfd) (elf_tdata(bfd) -> local_got.refcounts) | |
931 | #define elf_local_got_offsets(bfd) (elf_tdata(bfd) -> local_got.offsets) | |
932 | #define elf_local_ptr_offsets(bfd) (elf_tdata(bfd) -> linker_section_pointers) | |
933 | #define elf_dt_name(bfd) (elf_tdata(bfd) -> dt_name) | |
74816898 | 934 | #define elf_dt_soname(bfd) (elf_tdata(bfd) -> dt_soname) |
252b5132 RH |
935 | #define elf_bad_symtab(bfd) (elf_tdata(bfd) -> bad_symtab) |
936 | #define elf_flags_init(bfd) (elf_tdata(bfd) -> flags_init) | |
937 | #define elf_linker_section(bfd,n) (elf_tdata(bfd) -> linker_section[(int)n]) | |
938 | \f | |
939 | extern void _bfd_elf_swap_verdef_in | |
940 | PARAMS ((bfd *, const Elf_External_Verdef *, Elf_Internal_Verdef *)); | |
941 | extern void _bfd_elf_swap_verdef_out | |
942 | PARAMS ((bfd *, const Elf_Internal_Verdef *, Elf_External_Verdef *)); | |
943 | extern void _bfd_elf_swap_verdaux_in | |
944 | PARAMS ((bfd *, const Elf_External_Verdaux *, Elf_Internal_Verdaux *)); | |
945 | extern void _bfd_elf_swap_verdaux_out | |
946 | PARAMS ((bfd *, const Elf_Internal_Verdaux *, Elf_External_Verdaux *)); | |
947 | extern void _bfd_elf_swap_verneed_in | |
948 | PARAMS ((bfd *, const Elf_External_Verneed *, Elf_Internal_Verneed *)); | |
949 | extern void _bfd_elf_swap_verneed_out | |
950 | PARAMS ((bfd *, const Elf_Internal_Verneed *, Elf_External_Verneed *)); | |
951 | extern void _bfd_elf_swap_vernaux_in | |
952 | PARAMS ((bfd *, const Elf_External_Vernaux *, Elf_Internal_Vernaux *)); | |
953 | extern void _bfd_elf_swap_vernaux_out | |
954 | PARAMS ((bfd *, const Elf_Internal_Vernaux *, Elf_External_Vernaux *)); | |
955 | extern void _bfd_elf_swap_versym_in | |
956 | PARAMS ((bfd *, const Elf_External_Versym *, Elf_Internal_Versym *)); | |
957 | extern void _bfd_elf_swap_versym_out | |
958 | PARAMS ((bfd *, const Elf_Internal_Versym *, Elf_External_Versym *)); | |
959 | ||
960 | extern int _bfd_elf_section_from_bfd_section PARAMS ((bfd *, asection *)); | |
961 | extern char *bfd_elf_string_from_elf_section | |
962 | PARAMS ((bfd *, unsigned, unsigned)); | |
963 | extern char *bfd_elf_get_str_section PARAMS ((bfd *, unsigned)); | |
964 | ||
965 | extern boolean _bfd_elf_print_private_bfd_data PARAMS ((bfd *, PTR)); | |
966 | extern void bfd_elf_print_symbol PARAMS ((bfd *, PTR, asymbol *, | |
967 | bfd_print_symbol_type)); | |
968 | #define elf_string_from_elf_strtab(abfd,strindex) \ | |
969 | bfd_elf_string_from_elf_section(abfd,elf_elfheader(abfd)->e_shstrndx,strindex) | |
970 | ||
971 | #define bfd_elf32_print_symbol bfd_elf_print_symbol | |
972 | #define bfd_elf64_print_symbol bfd_elf_print_symbol | |
973 | ||
3a99b017 | 974 | extern unsigned long bfd_elf_hash PARAMS ((const char *)); |
252b5132 RH |
975 | |
976 | extern bfd_reloc_status_type bfd_elf_generic_reloc PARAMS ((bfd *, | |
977 | arelent *, | |
978 | asymbol *, | |
979 | PTR, | |
980 | asection *, | |
981 | bfd *, | |
982 | char **)); | |
983 | extern boolean bfd_elf_mkobject PARAMS ((bfd *)); | |
984 | extern boolean bfd_elf_mkcorefile PARAMS ((bfd *)); | |
985 | extern Elf_Internal_Shdr *bfd_elf_find_section PARAMS ((bfd *, char *)); | |
986 | extern boolean _bfd_elf_make_section_from_shdr | |
987 | PARAMS ((bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)); | |
20cfcaae NC |
988 | extern boolean _bfd_elf_make_section_from_phdr |
989 | PARAMS ((bfd *abfd, Elf_Internal_Phdr *hdr, int index, const char *typename)); | |
252b5132 RH |
990 | extern struct bfd_hash_entry *_bfd_elf_link_hash_newfunc |
991 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); | |
992 | extern struct bfd_link_hash_table *_bfd_elf_link_hash_table_create | |
993 | PARAMS ((bfd *)); | |
c61b8717 RH |
994 | extern void _bfd_elf_link_hash_copy_indirect |
995 | PARAMS ((struct elf_link_hash_entry *, struct elf_link_hash_entry *)); | |
996 | extern void _bfd_elf_link_hash_hide_symbol | |
f41cbf03 | 997 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); |
252b5132 RH |
998 | extern boolean _bfd_elf_link_hash_table_init |
999 | PARAMS ((struct elf_link_hash_table *, bfd *, | |
1000 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, | |
1001 | struct bfd_hash_table *, | |
1002 | const char *))); | |
1003 | extern boolean _bfd_elf_slurp_version_tables PARAMS ((bfd *)); | |
1004 | ||
1005 | extern boolean _bfd_elf_copy_private_symbol_data | |
1006 | PARAMS ((bfd *, asymbol *, bfd *, asymbol *)); | |
1007 | extern boolean _bfd_elf_copy_private_section_data | |
1008 | PARAMS ((bfd *, asection *, bfd *, asection *)); | |
1009 | extern boolean _bfd_elf_write_object_contents PARAMS ((bfd *)); | |
1010 | extern boolean _bfd_elf_write_corefile_contents PARAMS ((bfd *)); | |
1011 | extern boolean _bfd_elf_set_section_contents PARAMS ((bfd *, sec_ptr, PTR, | |
1012 | file_ptr, | |
1013 | bfd_size_type)); | |
1014 | extern long _bfd_elf_get_symtab_upper_bound PARAMS ((bfd *)); | |
1015 | extern long _bfd_elf_get_symtab PARAMS ((bfd *, asymbol **)); | |
1016 | extern long _bfd_elf_get_dynamic_symtab_upper_bound PARAMS ((bfd *)); | |
1017 | extern long _bfd_elf_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **)); | |
1018 | extern long _bfd_elf_get_reloc_upper_bound PARAMS ((bfd *, sec_ptr)); | |
1019 | extern long _bfd_elf_canonicalize_reloc PARAMS ((bfd *, sec_ptr, | |
1020 | arelent **, asymbol **)); | |
1021 | extern long _bfd_elf_get_dynamic_reloc_upper_bound PARAMS ((bfd *)); | |
1022 | extern long _bfd_elf_canonicalize_dynamic_reloc PARAMS ((bfd *, arelent **, | |
1023 | asymbol **)); | |
1024 | extern asymbol *_bfd_elf_make_empty_symbol PARAMS ((bfd *)); | |
1025 | extern void _bfd_elf_get_symbol_info PARAMS ((bfd *, asymbol *, | |
1026 | symbol_info *)); | |
1027 | extern boolean _bfd_elf_is_local_label_name PARAMS ((bfd *, const char *)); | |
1028 | extern alent *_bfd_elf_get_lineno PARAMS ((bfd *, asymbol *)); | |
1029 | extern boolean _bfd_elf_set_arch_mach PARAMS ((bfd *, enum bfd_architecture, | |
1030 | unsigned long)); | |
1031 | extern boolean _bfd_elf_find_nearest_line PARAMS ((bfd *, asection *, | |
1032 | asymbol **, | |
52b219b5 AM |
1033 | bfd_vma, const char **, |
1034 | const char **, | |
252b5132 RH |
1035 | unsigned int *)); |
1036 | #define _bfd_elf_read_minisymbols _bfd_generic_read_minisymbols | |
1037 | #define _bfd_elf_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol | |
1038 | extern int _bfd_elf_sizeof_headers PARAMS ((bfd *, boolean)); | |
1039 | extern boolean _bfd_elf_new_section_hook PARAMS ((bfd *, asection *)); | |
60bcf0fa | 1040 | extern boolean _bfd_elf_init_reloc_shdr |
23bc299b | 1041 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, boolean)); |
252b5132 RH |
1042 | |
1043 | /* If the target doesn't have reloc handling written yet: */ | |
1044 | extern void _bfd_elf_no_info_to_howto PARAMS ((bfd *, arelent *, | |
1045 | Elf_Internal_Rela *)); | |
1046 | ||
1047 | extern boolean bfd_section_from_shdr PARAMS ((bfd *, unsigned int shindex)); | |
1048 | extern boolean bfd_section_from_phdr PARAMS ((bfd *, Elf_Internal_Phdr *, int)); | |
1049 | ||
1050 | extern int _bfd_elf_symbol_from_bfd_symbol PARAMS ((bfd *, asymbol **)); | |
1051 | ||
1052 | asection *bfd_section_from_elf_index PARAMS ((bfd *, unsigned int)); | |
1053 | boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *, | |
1054 | struct bfd_link_info *)); | |
1055 | struct bfd_strtab_hash *_bfd_elf_stringtab_init PARAMS ((void)); | |
1056 | boolean | |
1057 | _bfd_elf_link_record_dynamic_symbol PARAMS ((struct bfd_link_info *, | |
1058 | struct elf_link_hash_entry *)); | |
30b30c21 RH |
1059 | long |
1060 | _bfd_elf_link_lookup_local_dynindx PARAMS ((struct bfd_link_info *, | |
1061 | bfd *, long)); | |
252b5132 RH |
1062 | boolean |
1063 | _bfd_elf_compute_section_file_positions PARAMS ((bfd *, | |
1064 | struct bfd_link_info *)); | |
1065 | void _bfd_elf_assign_file_positions_for_relocs PARAMS ((bfd *)); | |
1066 | file_ptr _bfd_elf_assign_file_position_for_section PARAMS ((Elf_Internal_Shdr *, | |
1067 | file_ptr, | |
1068 | boolean)); | |
1069 | ||
1070 | extern boolean _bfd_elf_validate_reloc PARAMS ((bfd *, arelent *)); | |
1071 | ||
1072 | boolean _bfd_elf_create_dynamic_sections PARAMS ((bfd *, | |
1073 | struct bfd_link_info *)); | |
1074 | boolean _bfd_elf_create_got_section PARAMS ((bfd *, | |
1075 | struct bfd_link_info *)); | |
30b30c21 RH |
1076 | unsigned long _bfd_elf_link_renumber_dynsyms PARAMS ((bfd *, |
1077 | struct bfd_link_info *)); | |
252b5132 RH |
1078 | |
1079 | elf_linker_section_t *_bfd_elf_create_linker_section | |
1080 | PARAMS ((bfd *abfd, | |
1081 | struct bfd_link_info *info, | |
1082 | enum elf_linker_section_enum, | |
1083 | elf_linker_section_t *defaults)); | |
1084 | ||
1085 | elf_linker_section_pointers_t *_bfd_elf_find_pointer_linker_section | |
1086 | PARAMS ((elf_linker_section_pointers_t *linker_pointers, | |
1087 | bfd_signed_vma addend, | |
1088 | elf_linker_section_enum_t which)); | |
1089 | ||
1090 | boolean bfd_elf32_create_pointer_linker_section | |
1091 | PARAMS ((bfd *abfd, | |
1092 | struct bfd_link_info *info, | |
1093 | elf_linker_section_t *lsect, | |
1094 | struct elf_link_hash_entry *h, | |
1095 | const Elf32_Internal_Rela *rel)); | |
1096 | ||
1097 | bfd_vma bfd_elf32_finish_pointer_linker_section | |
1098 | PARAMS ((bfd *output_abfd, | |
1099 | bfd *input_bfd, | |
1100 | struct bfd_link_info *info, | |
1101 | elf_linker_section_t *lsect, | |
1102 | struct elf_link_hash_entry *h, | |
1103 | bfd_vma relocation, | |
1104 | const Elf32_Internal_Rela *rel, | |
1105 | int relative_reloc)); | |
1106 | ||
1107 | boolean bfd_elf64_create_pointer_linker_section | |
1108 | PARAMS ((bfd *abfd, | |
1109 | struct bfd_link_info *info, | |
1110 | elf_linker_section_t *lsect, | |
1111 | struct elf_link_hash_entry *h, | |
1112 | const Elf64_Internal_Rela *rel)); | |
1113 | ||
1114 | bfd_vma bfd_elf64_finish_pointer_linker_section | |
1115 | PARAMS ((bfd *output_abfd, | |
1116 | bfd *input_bfd, | |
1117 | struct bfd_link_info *info, | |
1118 | elf_linker_section_t *lsect, | |
1119 | struct elf_link_hash_entry *h, | |
1120 | bfd_vma relocation, | |
1121 | const Elf64_Internal_Rela *rel, | |
1122 | int relative_reloc)); | |
1123 | ||
1124 | boolean _bfd_elf_make_linker_section_rela | |
1125 | PARAMS ((bfd *dynobj, | |
1126 | elf_linker_section_t *lsect, | |
1127 | int alignment)); | |
1128 | ||
1129 | boolean _bfd_elfcore_section_from_phdr | |
1130 | PARAMS ((bfd *, Elf_Internal_Phdr *, int)); | |
1131 | ||
1132 | extern const bfd_target *bfd_elf32_object_p PARAMS ((bfd *)); | |
1133 | extern const bfd_target *bfd_elf32_core_file_p PARAMS ((bfd *)); | |
1134 | extern char *bfd_elf32_core_file_failing_command PARAMS ((bfd *)); | |
1135 | extern int bfd_elf32_core_file_failing_signal PARAMS ((bfd *)); | |
1136 | extern boolean bfd_elf32_core_file_matches_executable_p PARAMS ((bfd *, | |
1137 | bfd *)); | |
1138 | ||
1139 | extern boolean bfd_elf32_bfd_link_add_symbols | |
1140 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1141 | extern boolean bfd_elf32_bfd_final_link | |
1142 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1143 | ||
1144 | extern void bfd_elf32_swap_symbol_in | |
1145 | PARAMS ((bfd *, const Elf32_External_Sym *, Elf_Internal_Sym *)); | |
1146 | extern void bfd_elf32_swap_symbol_out | |
1147 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); | |
1148 | extern void bfd_elf32_swap_reloc_in | |
1149 | PARAMS ((bfd *, const Elf32_External_Rel *, Elf_Internal_Rel *)); | |
1150 | extern void bfd_elf32_swap_reloc_out | |
1151 | PARAMS ((bfd *, const Elf_Internal_Rel *, Elf32_External_Rel *)); | |
1152 | extern void bfd_elf32_swap_reloca_in | |
1153 | PARAMS ((bfd *, const Elf32_External_Rela *, Elf_Internal_Rela *)); | |
1154 | extern void bfd_elf32_swap_reloca_out | |
1155 | PARAMS ((bfd *, const Elf_Internal_Rela *, Elf32_External_Rela *)); | |
1156 | extern void bfd_elf32_swap_phdr_in | |
1157 | PARAMS ((bfd *, const Elf32_External_Phdr *, Elf_Internal_Phdr *)); | |
1158 | extern void bfd_elf32_swap_phdr_out | |
1159 | PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf32_External_Phdr *)); | |
1160 | extern void bfd_elf32_swap_dyn_in | |
1161 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
1162 | extern void bfd_elf32_swap_dyn_out | |
c7ac6ff8 | 1163 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
252b5132 RH |
1164 | extern long bfd_elf32_slurp_symbol_table |
1165 | PARAMS ((bfd *, asymbol **, boolean)); | |
1166 | extern boolean bfd_elf32_write_shdrs_and_ehdr PARAMS ((bfd *)); | |
1167 | extern int bfd_elf32_write_out_phdrs | |
1168 | PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); | |
b9f66672 JL |
1169 | extern void bfd_elf32_write_relocs |
1170 | PARAMS ((bfd *, asection *, PTR)); | |
1171 | extern boolean bfd_elf32_slurp_reloc_table | |
1172 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
252b5132 RH |
1173 | extern boolean bfd_elf32_add_dynamic_entry |
1174 | PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); | |
1175 | extern boolean bfd_elf32_link_create_dynamic_sections | |
1176 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1177 | extern Elf_Internal_Rela *_bfd_elf32_link_read_relocs | |
1178 | PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); | |
1179 | ||
1180 | extern const bfd_target *bfd_elf64_object_p PARAMS ((bfd *)); | |
1181 | extern const bfd_target *bfd_elf64_core_file_p PARAMS ((bfd *)); | |
1182 | extern char *bfd_elf64_core_file_failing_command PARAMS ((bfd *)); | |
1183 | extern int bfd_elf64_core_file_failing_signal PARAMS ((bfd *)); | |
1184 | extern boolean bfd_elf64_core_file_matches_executable_p PARAMS ((bfd *, | |
1185 | bfd *)); | |
1186 | extern boolean bfd_elf64_bfd_link_add_symbols | |
1187 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1188 | extern boolean bfd_elf64_bfd_final_link | |
1189 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1190 | ||
1191 | extern void bfd_elf64_swap_symbol_in | |
1192 | PARAMS ((bfd *, const Elf64_External_Sym *, Elf_Internal_Sym *)); | |
1193 | extern void bfd_elf64_swap_symbol_out | |
1194 | PARAMS ((bfd *, const Elf_Internal_Sym *, PTR)); | |
1195 | extern void bfd_elf64_swap_reloc_in | |
1196 | PARAMS ((bfd *, const Elf64_External_Rel *, Elf_Internal_Rel *)); | |
1197 | extern void bfd_elf64_swap_reloc_out | |
1198 | PARAMS ((bfd *, const Elf_Internal_Rel *, Elf64_External_Rel *)); | |
1199 | extern void bfd_elf64_swap_reloca_in | |
1200 | PARAMS ((bfd *, const Elf64_External_Rela *, Elf_Internal_Rela *)); | |
1201 | extern void bfd_elf64_swap_reloca_out | |
1202 | PARAMS ((bfd *, const Elf_Internal_Rela *, Elf64_External_Rela *)); | |
1203 | extern void bfd_elf64_swap_phdr_in | |
1204 | PARAMS ((bfd *, const Elf64_External_Phdr *, Elf_Internal_Phdr *)); | |
1205 | extern void bfd_elf64_swap_phdr_out | |
1206 | PARAMS ((bfd *, const Elf_Internal_Phdr *, Elf64_External_Phdr *)); | |
1207 | extern void bfd_elf64_swap_dyn_in | |
1208 | PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *)); | |
1209 | extern void bfd_elf64_swap_dyn_out | |
c7ac6ff8 | 1210 | PARAMS ((bfd *, const Elf_Internal_Dyn *, PTR)); |
252b5132 RH |
1211 | extern long bfd_elf64_slurp_symbol_table |
1212 | PARAMS ((bfd *, asymbol **, boolean)); | |
1213 | extern boolean bfd_elf64_write_shdrs_and_ehdr PARAMS ((bfd *)); | |
1214 | extern int bfd_elf64_write_out_phdrs | |
1215 | PARAMS ((bfd *, const Elf_Internal_Phdr *, int)); | |
b9f66672 JL |
1216 | extern void bfd_elf64_write_relocs |
1217 | PARAMS ((bfd *, asection *, PTR)); | |
1218 | extern boolean bfd_elf64_slurp_reloc_table | |
1219 | PARAMS ((bfd *, asection *, asymbol **, boolean)); | |
252b5132 RH |
1220 | extern boolean bfd_elf64_add_dynamic_entry |
1221 | PARAMS ((struct bfd_link_info *, bfd_vma, bfd_vma)); | |
1222 | extern boolean bfd_elf64_link_create_dynamic_sections | |
1223 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1224 | extern Elf_Internal_Rela *_bfd_elf64_link_read_relocs | |
1225 | PARAMS ((bfd *, asection *, PTR, Elf_Internal_Rela *, boolean)); | |
1226 | ||
30b30c21 RH |
1227 | #define bfd_elf32_link_record_dynamic_symbol \ |
1228 | _bfd_elf_link_record_dynamic_symbol | |
1229 | #define bfd_elf64_link_record_dynamic_symbol \ | |
1230 | _bfd_elf_link_record_dynamic_symbol | |
1231 | ||
1232 | boolean _bfd_elf32_link_record_local_dynamic_symbol | |
1233 | PARAMS ((struct bfd_link_info *, bfd *, long)); | |
1234 | boolean _bfd_elf64_link_record_local_dynamic_symbol | |
1235 | PARAMS ((struct bfd_link_info *, bfd *, long)); | |
252b5132 RH |
1236 | |
1237 | extern boolean _bfd_elf_close_and_cleanup PARAMS ((bfd *)); | |
1238 | extern bfd_reloc_status_type _bfd_elf_rel_vtable_reloc_fn | |
1239 | PARAMS ((bfd *, arelent *, struct symbol_cache_entry *, PTR, | |
1240 | asection *, bfd *, char **)); | |
1241 | ||
1242 | boolean _bfd_elf32_gc_sections | |
1243 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1244 | boolean _bfd_elf32_gc_common_finalize_got_offsets | |
1245 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1246 | boolean _bfd_elf32_gc_common_final_link | |
1247 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1248 | boolean _bfd_elf32_gc_record_vtinherit | |
1249 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1250 | boolean _bfd_elf32_gc_record_vtentry | |
1251 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1252 | ||
1253 | boolean _bfd_elf64_gc_sections | |
1254 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1255 | boolean _bfd_elf64_gc_common_finalize_got_offsets | |
1256 | PARAMS ((bfd *abfd, struct bfd_link_info *info)); | |
1257 | boolean _bfd_elf64_gc_common_final_link | |
1258 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1259 | boolean _bfd_elf64_gc_record_vtinherit | |
1260 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1261 | boolean _bfd_elf64_gc_record_vtentry | |
1262 | PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma)); | |
1263 | ||
1264 | /* MIPS ELF specific routines. */ | |
1265 | ||
1266 | extern boolean _bfd_mips_elf_object_p PARAMS ((bfd *)); | |
1267 | extern boolean _bfd_mips_elf_section_from_shdr | |
103186c6 | 1268 | PARAMS ((bfd *, Elf_Internal_Shdr *, char *)); |
252b5132 RH |
1269 | extern boolean _bfd_mips_elf_fake_sections |
1270 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *)); | |
1271 | extern boolean _bfd_mips_elf_section_from_bfd_section | |
1272 | PARAMS ((bfd *, Elf_Internal_Shdr *, asection *, int *)); | |
1273 | extern boolean _bfd_mips_elf_section_processing | |
1274 | PARAMS ((bfd *, Elf_Internal_Shdr *)); | |
1275 | extern void _bfd_mips_elf_symbol_processing PARAMS ((bfd *, asymbol *)); | |
1276 | extern boolean _bfd_mips_elf_read_ecoff_info | |
1277 | PARAMS ((bfd *, asection *, struct ecoff_debug_info *)); | |
1278 | extern void _bfd_mips_elf_final_write_processing PARAMS ((bfd *, boolean)); | |
1279 | extern bfd_reloc_status_type _bfd_mips_elf_hi16_reloc | |
1280 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1281 | extern bfd_reloc_status_type _bfd_mips_elf_lo16_reloc | |
1282 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1283 | extern bfd_reloc_status_type _bfd_mips_elf_gprel16_reloc | |
1284 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1285 | extern bfd_reloc_status_type _bfd_mips_elf_got16_reloc | |
1286 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1287 | extern bfd_reloc_status_type _bfd_mips_elf_gprel32_reloc | |
1288 | PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); | |
1289 | extern boolean _bfd_mips_elf_set_private_flags PARAMS ((bfd *, flagword)); | |
1290 | extern boolean _bfd_mips_elf_copy_private_bfd_data PARAMS ((bfd *, bfd *)); | |
1291 | extern boolean _bfd_mips_elf_merge_private_bfd_data PARAMS ((bfd *, bfd *)); | |
1292 | extern boolean _bfd_mips_elf_find_nearest_line | |
1293 | PARAMS ((bfd *, asection *, asymbol **, bfd_vma, const char **, | |
1294 | const char **, unsigned int *)); | |
1295 | extern boolean _bfd_mips_elf_set_section_contents | |
1296 | PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); | |
103186c6 MM |
1297 | extern boolean _bfd_mips_elf_create_dynamic_sections |
1298 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1299 | extern boolean _bfd_mips_elf_add_symbol_hook | |
1300 | PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *, | |
1301 | const char **, flagword *, asection **, bfd_vma *)); | |
1302 | extern boolean _bfd_mips_elf_adjust_dynamic_symbol | |
1303 | PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *)); | |
1304 | extern boolean _bfd_mips_elf_finish_dynamic_symbol | |
1305 | PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, | |
1306 | Elf_Internal_Sym *)); | |
1307 | extern boolean _bfd_mips_elf_finish_dynamic_sections | |
1308 | PARAMS ((bfd *, struct bfd_link_info *)); | |
60bcf0fa | 1309 | extern asection * _bfd_mips_elf_gc_mark_hook |
103186c6 MM |
1310 | PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *, |
1311 | struct elf_link_hash_entry *, Elf_Internal_Sym *)); | |
60bcf0fa NC |
1312 | extern boolean _bfd_mips_elf_gc_sweep_hook |
1313 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
103186c6 MM |
1314 | const Elf_Internal_Rela *)); |
1315 | extern boolean _bfd_mips_elf_always_size_sections | |
1316 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1317 | extern boolean _bfd_mips_elf_size_dynamic_sections | |
1318 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1319 | extern boolean _bfd_mips_elf_check_relocs | |
1320 | PARAMS ((bfd *, struct bfd_link_info *, asection *, | |
1321 | const Elf_Internal_Rela *)); | |
1322 | extern struct bfd_link_hash_table *_bfd_mips_elf_link_hash_table_create | |
1323 | PARAMS ((bfd *)); | |
60bcf0fa | 1324 | extern boolean _bfd_mips_elf_print_private_bfd_data |
103186c6 MM |
1325 | PARAMS ((bfd *, PTR)); |
1326 | extern boolean _bfd_mips_elf_link_output_symbol_hook | |
1327 | PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *, | |
1328 | asection *)); | |
1329 | extern boolean _bfd_mips_elf_final_link | |
1330 | PARAMS ((bfd *, struct bfd_link_info *)); | |
1331 | extern int _bfd_mips_elf_additional_program_headers PARAMS ((bfd *)); | |
1332 | extern boolean _bfd_mips_elf_modify_segment_map PARAMS ((bfd *)); | |
1333 | extern boolean _bfd_mips_elf_relocate_section | |
1334 | PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, | |
1335 | Elf_Internal_Rela *, Elf_Internal_Sym *, asection **)); | |
252b5132 | 1336 | |
d4845d57 JR |
1337 | /* SH ELF specific routine. */ |
1338 | ||
1339 | extern boolean _sh_elf_set_mach_from_flags PARAMS ((bfd *)); | |
1340 | ||
252b5132 | 1341 | #endif /* _LIBELF_H_ */ |