2005-07-24 Paolo Bonzini <bonzini@gnu.org>
[deliverable/binutils-gdb.git] / bfd / elfxx-target.h
1 /* Target definitions for NN-bit ELF
2 Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3 2003, 2004, 2005 Free Software Foundation, Inc.
4
5 This file is part of BFD, the Binary File Descriptor library.
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
20
21 /* This structure contains everything that BFD knows about a target.
22 It includes things like its byte order, name, what routines to call
23 to do various operations, etc. Every BFD points to a target structure
24 with its "xvec" member.
25
26 There are two such structures here: one for big-endian machines and
27 one for little-endian machines. */
28
29 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
30 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
31 #ifndef bfd_elfNN_get_section_contents
32 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
33 #endif
34
35 #define bfd_elfNN_canonicalize_dynamic_symtab \
36 _bfd_elf_canonicalize_dynamic_symtab
37 #ifndef bfd_elfNN_get_synthetic_symtab
38 #define bfd_elfNN_get_synthetic_symtab \
39 _bfd_elf_get_synthetic_symtab
40 #endif
41 #ifndef bfd_elfNN_canonicalize_reloc
42 #define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc
43 #endif
44 #ifndef bfd_elfNN_find_nearest_line
45 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
46 #endif
47 #ifndef bfd_elfNN_find_inliner_info
48 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info
49 #endif
50 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
51 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
52 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
53 _bfd_elf_get_dynamic_symtab_upper_bound
54 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno
55 #ifndef bfd_elfNN_get_reloc_upper_bound
56 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
57 #endif
58 #ifndef bfd_elfNN_get_symbol_info
59 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
60 #endif
61 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab
62 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
63 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
64 #ifndef bfd_elfNN_new_section_hook
65 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
66 #endif
67 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
68 #ifndef bfd_elfNN_set_section_contents
69 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
70 #endif
71 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
72 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
73 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
74
75 #define bfd_elfNN_get_section_contents_in_window \
76 _bfd_generic_get_section_contents_in_window
77
78 #ifndef elf_backend_can_refcount
79 #define elf_backend_can_refcount 0
80 #endif
81 #ifndef elf_backend_want_got_plt
82 #define elf_backend_want_got_plt 0
83 #endif
84 #ifndef elf_backend_plt_readonly
85 #define elf_backend_plt_readonly 0
86 #endif
87 #ifndef elf_backend_want_plt_sym
88 #define elf_backend_want_plt_sym 0
89 #endif
90 #ifndef elf_backend_plt_not_loaded
91 #define elf_backend_plt_not_loaded 0
92 #endif
93 #ifndef elf_backend_plt_alignment
94 #define elf_backend_plt_alignment 2
95 #endif
96 #ifndef elf_backend_want_dynbss
97 #define elf_backend_want_dynbss 1
98 #endif
99 #ifndef elf_backend_want_p_paddr_set_to_zero
100 #define elf_backend_want_p_paddr_set_to_zero 0
101 #endif
102
103 #define bfd_elfNN_bfd_debug_info_start bfd_void
104 #define bfd_elfNN_bfd_debug_info_end bfd_void
105 #define bfd_elfNN_bfd_debug_info_accumulate \
106 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
107
108 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
109 #define bfd_elfNN_bfd_get_relocated_section_contents \
110 bfd_generic_get_relocated_section_contents
111 #endif
112
113 #ifndef bfd_elfNN_bfd_relax_section
114 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
115 #endif
116
117 #ifndef elf_backend_can_gc_sections
118 #define elf_backend_can_gc_sections 0
119 #endif
120 #ifndef elf_backend_can_refcount
121 #define elf_backend_can_refcount 0
122 #endif
123 #ifndef elf_backend_want_got_sym
124 #define elf_backend_want_got_sym 1
125 #endif
126 #ifndef elf_backend_gc_mark_hook
127 #define elf_backend_gc_mark_hook NULL
128 #endif
129 #ifndef elf_backend_gc_sweep_hook
130 #define elf_backend_gc_sweep_hook NULL
131 #endif
132 #ifndef bfd_elfNN_bfd_gc_sections
133 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
134 #endif
135
136 #ifndef bfd_elfNN_bfd_merge_sections
137 #define bfd_elfNN_bfd_merge_sections \
138 _bfd_elf_merge_sections
139 #endif
140
141 #ifndef bfd_elfNN_bfd_is_group_section
142 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
143 #endif
144
145 #ifndef bfd_elfNN_bfd_discard_group
146 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
147 #endif
148
149 #ifndef bfd_elfNN_section_already_linked
150 #define bfd_elfNN_section_already_linked \
151 _bfd_elf_section_already_linked
152 #endif
153
154 #ifndef bfd_elfNN_bfd_make_debug_symbol
155 #define bfd_elfNN_bfd_make_debug_symbol \
156 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
157 #endif
158
159 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
160 #define bfd_elfNN_bfd_copy_private_symbol_data \
161 _bfd_elf_copy_private_symbol_data
162 #endif
163
164 #ifndef bfd_elfNN_bfd_copy_private_section_data
165 #define bfd_elfNN_bfd_copy_private_section_data \
166 _bfd_elf_copy_private_section_data
167 #endif
168 #ifndef bfd_elfNN_bfd_copy_private_header_data
169 #define bfd_elfNN_bfd_copy_private_header_data \
170 _bfd_elf_copy_private_header_data
171 #endif
172 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
173 #define bfd_elfNN_bfd_copy_private_bfd_data \
174 _bfd_elf_copy_private_bfd_data
175 #endif
176 #ifndef bfd_elfNN_bfd_print_private_bfd_data
177 #define bfd_elfNN_bfd_print_private_bfd_data \
178 _bfd_elf_print_private_bfd_data
179 #endif
180 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
181 #define bfd_elfNN_bfd_merge_private_bfd_data \
182 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
183 #endif
184 #ifndef bfd_elfNN_bfd_set_private_flags
185 #define bfd_elfNN_bfd_set_private_flags \
186 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
187 #endif
188 #ifndef bfd_elfNN_bfd_is_local_label_name
189 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
190 #endif
191 #ifndef bfd_elfNN_bfd_is_target_special_symbol
192 #define bfd_elfNN_bfd_is_target_special_symbol \
193 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
194 #endif
195
196 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
197 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
198 _bfd_elf_get_dynamic_reloc_upper_bound
199 #endif
200 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
201 #define bfd_elfNN_canonicalize_dynamic_reloc \
202 _bfd_elf_canonicalize_dynamic_reloc
203 #endif
204
205 #ifndef bfd_elfNN_bfd_link_hash_table_free
206 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
207 #endif
208
209 #ifdef elf_backend_relocate_section
210 #ifndef bfd_elfNN_bfd_link_hash_table_create
211 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
212 #endif
213 #ifndef bfd_elfNN_bfd_link_add_symbols
214 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
215 #endif
216 #ifndef bfd_elfNN_bfd_final_link
217 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
218 #endif
219 #else /* ! defined (elf_backend_relocate_section) */
220 /* If no backend relocate_section routine, use the generic linker.
221 Note - this will prevent the port from being able to use some of
222 the other features of the ELF linker, because the generic hash structure
223 does not have the fields needed by the ELF linker. In particular it
224 means that linking directly to S-records will not work. */
225 #ifndef bfd_elfNN_bfd_link_hash_table_create
226 #define bfd_elfNN_bfd_link_hash_table_create \
227 _bfd_generic_link_hash_table_create
228 #endif
229 #ifndef bfd_elfNN_bfd_link_add_symbols
230 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
231 #endif
232 #ifndef bfd_elfNN_bfd_final_link
233 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
234 #endif
235 #endif /* ! defined (elf_backend_relocate_section) */
236
237 #ifndef bfd_elfNN_bfd_link_just_syms
238 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
239 #endif
240
241 #ifndef bfd_elfNN_bfd_link_split_section
242 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
243 #endif
244
245 #ifndef bfd_elfNN_archive_p
246 #define bfd_elfNN_archive_p bfd_generic_archive_p
247 #endif
248
249 #ifndef bfd_elfNN_write_archive_contents
250 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
251 #endif
252
253 #ifndef bfd_elfNN_mkobject
254 #define bfd_elfNN_mkobject bfd_elf_mkobject
255 #endif
256
257 #ifndef bfd_elfNN_mkcorefile
258 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
259 #endif
260
261 #ifndef bfd_elfNN_mkarchive
262 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
263 #endif
264
265 #ifndef bfd_elfNN_print_symbol
266 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
267 #endif
268
269 #ifndef elf_symbol_leading_char
270 #define elf_symbol_leading_char 0
271 #endif
272
273 #ifndef elf_info_to_howto
274 #define elf_info_to_howto 0
275 #endif
276
277 #ifndef elf_info_to_howto_rel
278 #define elf_info_to_howto_rel 0
279 #endif
280
281 #ifndef ELF_MAXPAGESIZE
282 #error ELF_MAXPAGESIZE is not defined
283 #define ELF_MAXPAGESIZE 1
284 #endif
285
286 #ifndef ELF_MINPAGESIZE
287 #define ELF_MINPAGESIZE ELF_MAXPAGESIZE
288 #endif
289
290 #ifndef ELF_DYNAMIC_SEC_FLAGS
291 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
292 #define ELF_DYNAMIC_SEC_FLAGS \
293 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
294 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
295 #endif
296
297 #ifndef elf_backend_collect
298 #define elf_backend_collect FALSE
299 #endif
300 #ifndef elf_backend_type_change_ok
301 #define elf_backend_type_change_ok FALSE
302 #endif
303
304 #ifndef elf_backend_sym_is_global
305 #define elf_backend_sym_is_global 0
306 #endif
307 #ifndef elf_backend_object_p
308 #define elf_backend_object_p 0
309 #endif
310 #ifndef elf_backend_symbol_processing
311 #define elf_backend_symbol_processing 0
312 #endif
313 #ifndef elf_backend_symbol_table_processing
314 #define elf_backend_symbol_table_processing 0
315 #endif
316 #ifndef elf_backend_get_symbol_type
317 #define elf_backend_get_symbol_type 0
318 #endif
319 #ifndef elf_backend_archive_symbol_lookup
320 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
321 #endif
322 #ifndef elf_backend_name_local_section_symbols
323 #define elf_backend_name_local_section_symbols 0
324 #endif
325 #ifndef elf_backend_section_processing
326 #define elf_backend_section_processing 0
327 #endif
328 #ifndef elf_backend_section_from_shdr
329 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
330 #endif
331 #ifndef elf_backend_section_flags
332 #define elf_backend_section_flags 0
333 #endif
334 #ifndef elf_backend_get_sec_type_attr
335 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
336 #endif
337 #ifndef elf_backend_section_from_phdr
338 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
339 #endif
340 #ifndef elf_backend_fake_sections
341 #define elf_backend_fake_sections 0
342 #endif
343 #ifndef elf_backend_section_from_bfd_section
344 #define elf_backend_section_from_bfd_section 0
345 #endif
346 #ifndef elf_backend_add_symbol_hook
347 #define elf_backend_add_symbol_hook 0
348 #endif
349 #ifndef elf_backend_link_output_symbol_hook
350 #define elf_backend_link_output_symbol_hook 0
351 #endif
352 #ifndef elf_backend_create_dynamic_sections
353 #define elf_backend_create_dynamic_sections 0
354 #endif
355 #ifndef elf_backend_omit_section_dynsym
356 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
357 #endif
358 #ifndef elf_backend_check_relocs
359 #define elf_backend_check_relocs 0
360 #endif
361 #ifndef elf_backend_check_directives
362 #define elf_backend_check_directives 0
363 #endif
364 #ifndef elf_backend_adjust_dynamic_symbol
365 #define elf_backend_adjust_dynamic_symbol 0
366 #endif
367 #ifndef elf_backend_always_size_sections
368 #define elf_backend_always_size_sections 0
369 #endif
370 #ifndef elf_backend_size_dynamic_sections
371 #define elf_backend_size_dynamic_sections 0
372 #endif
373 #ifndef elf_backend_relocate_section
374 #define elf_backend_relocate_section 0
375 #endif
376 #ifndef elf_backend_finish_dynamic_symbol
377 #define elf_backend_finish_dynamic_symbol 0
378 #endif
379 #ifndef elf_backend_finish_dynamic_sections
380 #define elf_backend_finish_dynamic_sections 0
381 #endif
382 #ifndef elf_backend_begin_write_processing
383 #define elf_backend_begin_write_processing 0
384 #endif
385 #ifndef elf_backend_final_write_processing
386 #define elf_backend_final_write_processing 0
387 #endif
388 #ifndef elf_backend_additional_program_headers
389 #define elf_backend_additional_program_headers 0
390 #endif
391 #ifndef elf_backend_modify_segment_map
392 #define elf_backend_modify_segment_map 0
393 #endif
394 #ifndef elf_backend_ecoff_debug_swap
395 #define elf_backend_ecoff_debug_swap 0
396 #endif
397 #ifndef elf_backend_bfd_from_remote_memory
398 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
399 #endif
400 #ifndef elf_backend_got_header_size
401 #define elf_backend_got_header_size 0
402 #endif
403 #ifndef elf_backend_post_process_headers
404 #define elf_backend_post_process_headers NULL
405 #endif
406 #ifndef elf_backend_print_symbol_all
407 #define elf_backend_print_symbol_all NULL
408 #endif
409 #ifndef elf_backend_output_arch_syms
410 #define elf_backend_output_arch_syms NULL
411 #endif
412 #ifndef elf_backend_copy_indirect_symbol
413 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
414 #endif
415 #ifndef elf_backend_hide_symbol
416 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
417 #endif
418 #ifndef elf_backend_merge_symbol_attribute
419 #define elf_backend_merge_symbol_attribute NULL
420 #endif
421 #ifndef elf_backend_emit_relocs
422 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
423 #endif
424 #ifndef elf_backend_count_relocs
425 #define elf_backend_count_relocs NULL
426 #endif
427 #ifndef elf_backend_grok_prstatus
428 #define elf_backend_grok_prstatus NULL
429 #endif
430 #ifndef elf_backend_grok_psinfo
431 #define elf_backend_grok_psinfo NULL
432 #endif
433 #ifndef elf_backend_sprintf_vma
434 #define elf_backend_sprintf_vma _bfd_elf_sprintf_vma
435 #endif
436 #ifndef elf_backend_fprintf_vma
437 #define elf_backend_fprintf_vma _bfd_elf_fprintf_vma
438 #endif
439 #ifndef elf_backend_reloc_type_class
440 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
441 #endif
442 #ifndef elf_backend_discard_info
443 #define elf_backend_discard_info NULL
444 #endif
445 #ifndef elf_backend_ignore_discarded_relocs
446 #define elf_backend_ignore_discarded_relocs NULL
447 #endif
448 #ifndef elf_backend_eh_frame_address_size
449 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
450 #endif
451 #ifndef elf_backend_can_make_relative_eh_frame
452 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
453 #endif
454 #ifndef elf_backend_can_make_lsda_relative_eh_frame
455 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
456 #endif
457 #ifndef elf_backend_encode_eh_address
458 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
459 #endif
460 #ifndef elf_backend_write_section
461 #define elf_backend_write_section NULL
462 #endif
463 #ifndef elf_backend_mips_irix_compat
464 #define elf_backend_mips_irix_compat NULL
465 #endif
466 #ifndef elf_backend_mips_rtype_to_howto
467 #define elf_backend_mips_rtype_to_howto NULL
468 #endif
469
470 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
471 sections, but not both. They defined USE_REL to indicate SHT_REL
472 sections, and left it undefined to indicated SHT_RELA sections.
473 For backwards compatibility, we still support this usage. */
474 #ifndef USE_REL
475 #define USE_REL 0
476 #endif
477
478 /* Use these in new code. */
479 #ifndef elf_backend_may_use_rel_p
480 #define elf_backend_may_use_rel_p USE_REL
481 #endif
482 #ifndef elf_backend_may_use_rela_p
483 #define elf_backend_may_use_rela_p !USE_REL
484 #endif
485 #ifndef elf_backend_default_use_rela_p
486 #define elf_backend_default_use_rela_p !USE_REL
487 #endif
488
489 #ifndef elf_backend_rela_normal
490 #define elf_backend_rela_normal 0
491 #endif
492
493 #ifndef elf_backend_plt_sym_val
494 #define elf_backend_plt_sym_val NULL
495 #endif
496 #ifndef elf_backend_relplt_name
497 #define elf_backend_relplt_name NULL
498 #endif
499
500 #ifndef ELF_MACHINE_ALT1
501 #define ELF_MACHINE_ALT1 0
502 #endif
503
504 #ifndef ELF_MACHINE_ALT2
505 #define ELF_MACHINE_ALT2 0
506 #endif
507
508 #ifndef elf_backend_size_info
509 #define elf_backend_size_info _bfd_elfNN_size_info
510 #endif
511
512 #ifndef elf_backend_special_sections
513 #define elf_backend_special_sections NULL
514 #endif
515
516 #ifndef elf_backend_sign_extend_vma
517 #define elf_backend_sign_extend_vma 0
518 #endif
519
520 #ifndef elf_backend_link_order_error_handler
521 #define elf_backend_link_order_error_handler _bfd_default_error_handler
522 #endif
523
524 extern const struct elf_size_info _bfd_elfNN_size_info;
525
526 #ifndef INCLUDED_TARGET_FILE
527 static const struct elf_backend_data elfNN_bed =
528 {
529 ELF_ARCH, /* arch */
530 ELF_MACHINE_CODE, /* elf_machine_code */
531 ELF_MAXPAGESIZE, /* maxpagesize */
532 ELF_MINPAGESIZE, /* minpagesize */
533 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
534 elf_info_to_howto,
535 elf_info_to_howto_rel,
536 elf_backend_sym_is_global,
537 elf_backend_object_p,
538 elf_backend_symbol_processing,
539 elf_backend_symbol_table_processing,
540 elf_backend_get_symbol_type,
541 elf_backend_archive_symbol_lookup,
542 elf_backend_name_local_section_symbols,
543 elf_backend_section_processing,
544 elf_backend_section_from_shdr,
545 elf_backend_section_flags,
546 elf_backend_get_sec_type_attr,
547 elf_backend_section_from_phdr,
548 elf_backend_fake_sections,
549 elf_backend_section_from_bfd_section,
550 elf_backend_add_symbol_hook,
551 elf_backend_link_output_symbol_hook,
552 elf_backend_create_dynamic_sections,
553 elf_backend_omit_section_dynsym,
554 elf_backend_check_relocs,
555 elf_backend_check_directives,
556 elf_backend_adjust_dynamic_symbol,
557 elf_backend_always_size_sections,
558 elf_backend_size_dynamic_sections,
559 elf_backend_relocate_section,
560 elf_backend_finish_dynamic_symbol,
561 elf_backend_finish_dynamic_sections,
562 elf_backend_begin_write_processing,
563 elf_backend_final_write_processing,
564 elf_backend_additional_program_headers,
565 elf_backend_modify_segment_map,
566 elf_backend_gc_mark_hook,
567 elf_backend_gc_sweep_hook,
568 elf_backend_post_process_headers,
569 elf_backend_print_symbol_all,
570 elf_backend_output_arch_syms,
571 elf_backend_copy_indirect_symbol,
572 elf_backend_hide_symbol,
573 elf_backend_merge_symbol_attribute,
574 elf_backend_emit_relocs,
575 elf_backend_count_relocs,
576 elf_backend_grok_prstatus,
577 elf_backend_grok_psinfo,
578 elf_backend_sprintf_vma,
579 elf_backend_fprintf_vma,
580 elf_backend_reloc_type_class,
581 elf_backend_discard_info,
582 elf_backend_ignore_discarded_relocs,
583 elf_backend_eh_frame_address_size,
584 elf_backend_can_make_relative_eh_frame,
585 elf_backend_can_make_lsda_relative_eh_frame,
586 elf_backend_encode_eh_address,
587 elf_backend_write_section,
588 elf_backend_mips_irix_compat,
589 elf_backend_mips_rtype_to_howto,
590 elf_backend_ecoff_debug_swap,
591 elf_backend_bfd_from_remote_memory,
592 elf_backend_plt_sym_val,
593 elf_backend_link_order_error_handler,
594 elf_backend_relplt_name,
595 ELF_MACHINE_ALT1,
596 ELF_MACHINE_ALT2,
597 &elf_backend_size_info,
598 elf_backend_special_sections,
599 elf_backend_got_header_size,
600 elf_backend_collect,
601 elf_backend_type_change_ok,
602 elf_backend_may_use_rel_p,
603 elf_backend_may_use_rela_p,
604 elf_backend_default_use_rela_p,
605 elf_backend_rela_normal,
606 elf_backend_sign_extend_vma,
607 elf_backend_want_got_plt,
608 elf_backend_plt_readonly,
609 elf_backend_want_plt_sym,
610 elf_backend_plt_not_loaded,
611 elf_backend_plt_alignment,
612 elf_backend_can_gc_sections,
613 elf_backend_can_refcount,
614 elf_backend_want_got_sym,
615 elf_backend_want_dynbss,
616 elf_backend_want_p_paddr_set_to_zero
617 };
618 #endif
619
620 /* Forward declaration for use when initialising alternative_target field. */
621 #ifdef TARGET_LITTLE_SYM
622 extern const bfd_target TARGET_LITTLE_SYM;
623 #endif
624
625 #ifdef TARGET_BIG_SYM
626 const bfd_target TARGET_BIG_SYM =
627 {
628 /* name: identify kind of target */
629 TARGET_BIG_NAME,
630
631 /* flavour: general indication about file */
632 bfd_target_elf_flavour,
633
634 /* byteorder: data is big endian */
635 BFD_ENDIAN_BIG,
636
637 /* header_byteorder: header is also big endian */
638 BFD_ENDIAN_BIG,
639
640 /* object_flags: mask of all file flags */
641 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
642 | DYNAMIC | WP_TEXT | D_PAGED),
643
644 /* section_flags: mask of all section flags */
645 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
646 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
647 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
648
649 /* leading_symbol_char: is the first char of a user symbol
650 predictable, and if so what is it */
651 elf_symbol_leading_char,
652
653 /* ar_pad_char: pad character for filenames within an archive header
654 FIXME: this really has nothing to do with ELF, this is a characteristic
655 of the archiver and/or os and should be independently tunable */
656 '/',
657
658 /* ar_max_namelen: maximum number of characters in an archive header
659 FIXME: this really has nothing to do with ELF, this is a characteristic
660 of the archiver and should be independently tunable. The System V ABI,
661 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
662 15,
663
664 /* Routines to byte-swap various sized integers from the data sections */
665 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
666 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
667 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
668
669 /* Routines to byte-swap various sized integers from the file headers */
670 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
671 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
672 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
673
674 /* bfd_check_format: check the format of a file being read */
675 { _bfd_dummy_target, /* unknown format */
676 bfd_elfNN_object_p, /* assembler/linker output (object file) */
677 bfd_elfNN_archive_p, /* an archive */
678 bfd_elfNN_core_file_p /* a core file */
679 },
680
681 /* bfd_set_format: set the format of a file being written */
682 { bfd_false,
683 bfd_elfNN_mkobject,
684 bfd_elfNN_mkarchive,
685 bfd_elfNN_mkcorefile
686 },
687
688 /* bfd_write_contents: write cached information into a file being written */
689 { bfd_false,
690 bfd_elfNN_write_object_contents,
691 bfd_elfNN_write_archive_contents,
692 bfd_elfNN_write_corefile_contents,
693 },
694
695 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
696 BFD_JUMP_TABLE_COPY (bfd_elfNN),
697 BFD_JUMP_TABLE_CORE (bfd_elfNN),
698 #ifdef bfd_elfNN_archive_functions
699 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
700 #else
701 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
702 #endif
703 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
704 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
705 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
706 BFD_JUMP_TABLE_LINK (bfd_elfNN),
707 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
708
709 /* Alternative endian target. */
710 #ifdef TARGET_LITTLE_SYM
711 & TARGET_LITTLE_SYM,
712 #else
713 NULL,
714 #endif
715
716 /* backend_data: */
717 &elfNN_bed
718 };
719 #endif
720
721 #ifdef TARGET_LITTLE_SYM
722 const bfd_target TARGET_LITTLE_SYM =
723 {
724 /* name: identify kind of target */
725 TARGET_LITTLE_NAME,
726
727 /* flavour: general indication about file */
728 bfd_target_elf_flavour,
729
730 /* byteorder: data is little endian */
731 BFD_ENDIAN_LITTLE,
732
733 /* header_byteorder: header is also little endian */
734 BFD_ENDIAN_LITTLE,
735
736 /* object_flags: mask of all file flags */
737 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
738 | DYNAMIC | WP_TEXT | D_PAGED),
739
740 /* section_flags: mask of all section flags */
741 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
742 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
743 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
744
745 /* leading_symbol_char: is the first char of a user symbol
746 predictable, and if so what is it */
747 elf_symbol_leading_char,
748
749 /* ar_pad_char: pad character for filenames within an archive header
750 FIXME: this really has nothing to do with ELF, this is a characteristic
751 of the archiver and/or os and should be independently tunable */
752 '/',
753
754 /* ar_max_namelen: maximum number of characters in an archive header
755 FIXME: this really has nothing to do with ELF, this is a characteristic
756 of the archiver and should be independently tunable. The System V ABI,
757 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
758 15,
759
760 /* Routines to byte-swap various sized integers from the data sections */
761 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
762 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
763 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
764
765 /* Routines to byte-swap various sized integers from the file headers */
766 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
767 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
768 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
769
770 /* bfd_check_format: check the format of a file being read */
771 { _bfd_dummy_target, /* unknown format */
772 bfd_elfNN_object_p, /* assembler/linker output (object file) */
773 bfd_elfNN_archive_p, /* an archive */
774 bfd_elfNN_core_file_p /* a core file */
775 },
776
777 /* bfd_set_format: set the format of a file being written */
778 { bfd_false,
779 bfd_elfNN_mkobject,
780 bfd_elfNN_mkarchive,
781 bfd_elfNN_mkcorefile
782 },
783
784 /* bfd_write_contents: write cached information into a file being written */
785 { bfd_false,
786 bfd_elfNN_write_object_contents,
787 bfd_elfNN_write_archive_contents,
788 bfd_elfNN_write_corefile_contents,
789 },
790
791 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
792 BFD_JUMP_TABLE_COPY (bfd_elfNN),
793 BFD_JUMP_TABLE_CORE (bfd_elfNN),
794 #ifdef bfd_elfNN_archive_functions
795 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
796 #else
797 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
798 #endif
799 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
800 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
801 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
802 BFD_JUMP_TABLE_LINK (bfd_elfNN),
803 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
804
805 /* Alternative endian target. */
806 #ifdef TARGET_BIG_SYM
807 & TARGET_BIG_SYM,
808 #else
809 NULL,
810 #endif
811
812 /* backend_data: */
813 &elfNN_bed
814 };
815 #endif
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