* elf-bfd.h (struct elf_backend_data): Remove as_needed_cleanup.
[external/binutils.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, 2006, 2007, 2008, 2009, 2010, 2011, 2012
4    Free Software Foundation, Inc.
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
21    MA 02110-1301, USA.  */
22
23
24 /* This structure contains everything that BFD knows about a target.
25    It includes things like its byte order, name, what routines to call
26    to do various operations, etc.  Every BFD points to a target structure
27    with its "xvec" member.
28
29    There are two such structures here:  one for big-endian machines and
30    one for little-endian machines.   */
31
32 #ifndef bfd_elfNN_close_and_cleanup
33 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
34 #endif
35 #ifndef bfd_elfNN_bfd_free_cached_info
36 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
37 #endif
38 #ifndef bfd_elfNN_get_section_contents
39 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
40 #endif
41
42 #define bfd_elfNN_canonicalize_dynamic_symtab \
43   _bfd_elf_canonicalize_dynamic_symtab
44 #ifndef bfd_elfNN_get_synthetic_symtab
45 #define bfd_elfNN_get_synthetic_symtab \
46   _bfd_elf_get_synthetic_symtab
47 #endif
48 #ifndef bfd_elfNN_canonicalize_reloc
49 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
50 #endif
51 #ifndef bfd_elfNN_find_nearest_line
52 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
53 #endif
54 #ifndef bfd_elfNN_find_inliner_info
55 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
56 #endif
57 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
58 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
59 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
60   _bfd_elf_get_dynamic_symtab_upper_bound
61 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
62 #ifndef bfd_elfNN_get_reloc_upper_bound
63 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
64 #endif
65 #ifndef bfd_elfNN_get_symbol_info
66 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
67 #endif
68 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
69 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
70 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
71 #ifndef bfd_elfNN_new_section_hook
72 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
73 #endif
74 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
75 #ifndef bfd_elfNN_set_section_contents
76 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
77 #endif
78 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
79 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
80 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
81
82 #define bfd_elfNN_get_section_contents_in_window \
83   _bfd_generic_get_section_contents_in_window
84
85 #ifndef elf_backend_can_refcount
86 #define elf_backend_can_refcount 0
87 #endif
88 #ifndef elf_backend_want_got_plt
89 #define elf_backend_want_got_plt 0
90 #endif
91 #ifndef elf_backend_plt_readonly
92 #define elf_backend_plt_readonly 0
93 #endif
94 #ifndef elf_backend_want_plt_sym
95 #define elf_backend_want_plt_sym 0
96 #endif
97 #ifndef elf_backend_plt_not_loaded
98 #define elf_backend_plt_not_loaded 0
99 #endif
100 #ifndef elf_backend_plt_alignment
101 #define elf_backend_plt_alignment 2
102 #endif
103 #ifndef elf_backend_want_dynbss
104 #define elf_backend_want_dynbss 1
105 #endif
106 #ifndef elf_backend_want_p_paddr_set_to_zero
107 #define elf_backend_want_p_paddr_set_to_zero 0
108 #endif
109 #ifndef elf_backend_default_execstack
110 #define elf_backend_default_execstack 1
111 #endif
112 #ifndef elf_backend_stack_align
113 #define elf_backend_stack_align 16
114 #endif
115
116 #define bfd_elfNN_bfd_debug_info_start  bfd_void
117 #define bfd_elfNN_bfd_debug_info_end    bfd_void
118 #define bfd_elfNN_bfd_debug_info_accumulate \
119   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
120
121 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
122 #define bfd_elfNN_bfd_get_relocated_section_contents \
123   bfd_generic_get_relocated_section_contents
124 #endif
125
126 #ifndef bfd_elfNN_bfd_relax_section
127 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
128 #endif
129
130 #ifndef elf_backend_can_gc_sections
131 #define elf_backend_can_gc_sections 0
132 #endif
133 #ifndef elf_backend_can_refcount
134 #define elf_backend_can_refcount 0
135 #endif
136 #ifndef elf_backend_want_got_sym
137 #define elf_backend_want_got_sym 1
138 #endif
139 #ifndef elf_backend_gc_keep
140 #define elf_backend_gc_keep             _bfd_elf_gc_keep
141 #endif
142 #ifndef elf_backend_gc_mark_dynamic_ref
143 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
144 #endif
145 #ifndef elf_backend_gc_mark_hook
146 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
147 #endif
148 #ifndef elf_backend_gc_mark_extra_sections
149 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
150 #endif
151 #ifndef elf_backend_gc_sweep_hook
152 #define elf_backend_gc_sweep_hook       NULL
153 #endif
154 #ifndef bfd_elfNN_bfd_gc_sections
155 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
156 #endif
157
158 #ifndef bfd_elfNN_bfd_merge_sections
159 #define bfd_elfNN_bfd_merge_sections \
160   _bfd_elf_merge_sections
161 #endif
162
163 #ifndef bfd_elfNN_bfd_is_group_section
164 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
165 #endif
166
167 #ifndef bfd_elfNN_bfd_discard_group
168 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
169 #endif
170
171 #ifndef bfd_elfNN_section_already_linked
172 #define bfd_elfNN_section_already_linked \
173   _bfd_elf_section_already_linked
174 #endif
175
176 #ifndef bfd_elfNN_bfd_define_common_symbol
177 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
178 #endif
179
180 #ifndef bfd_elfNN_bfd_lookup_section_flags
181 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
182 #endif
183
184 #ifndef bfd_elfNN_bfd_make_debug_symbol
185 #define bfd_elfNN_bfd_make_debug_symbol \
186   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
187 #endif
188
189 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
190 #define bfd_elfNN_bfd_copy_private_symbol_data \
191   _bfd_elf_copy_private_symbol_data
192 #endif
193
194 #ifndef bfd_elfNN_bfd_copy_private_section_data
195 #define bfd_elfNN_bfd_copy_private_section_data \
196   _bfd_elf_copy_private_section_data
197 #endif
198 #ifndef bfd_elfNN_bfd_copy_private_header_data
199 #define bfd_elfNN_bfd_copy_private_header_data \
200   _bfd_elf_copy_private_header_data
201 #endif
202 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
203 #define bfd_elfNN_bfd_copy_private_bfd_data \
204   _bfd_elf_copy_private_bfd_data
205 #endif
206 #ifndef bfd_elfNN_bfd_print_private_bfd_data
207 #define bfd_elfNN_bfd_print_private_bfd_data \
208   _bfd_elf_print_private_bfd_data
209 #endif
210 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
211 #define bfd_elfNN_bfd_merge_private_bfd_data \
212   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
213 #endif
214 #ifndef bfd_elfNN_bfd_set_private_flags
215 #define bfd_elfNN_bfd_set_private_flags \
216   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
217 #endif
218 #ifndef bfd_elfNN_bfd_is_local_label_name
219 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
220 #endif
221 #ifndef bfd_elfNN_bfd_is_target_special_symbol
222 #define bfd_elfNN_bfd_is_target_special_symbol \
223   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
224 #endif
225
226 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
227 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
228   _bfd_elf_get_dynamic_reloc_upper_bound
229 #endif
230 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
231 #define bfd_elfNN_canonicalize_dynamic_reloc \
232   _bfd_elf_canonicalize_dynamic_reloc
233 #endif
234
235 #ifdef elf_backend_relocate_section
236 #ifndef bfd_elfNN_bfd_link_hash_table_create
237 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
238 #endif
239 #ifndef bfd_elfNN_bfd_link_hash_table_free
240 #define bfd_elfNN_bfd_link_hash_table_free _bfd_elf_link_hash_table_free
241 #endif
242 #ifndef bfd_elfNN_bfd_link_add_symbols
243 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
244 #endif
245 #ifndef bfd_elfNN_bfd_final_link
246 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
247 #endif
248 #else /* ! defined (elf_backend_relocate_section) */
249 /* If no backend relocate_section routine, use the generic linker.
250    Note - this will prevent the port from being able to use some of
251    the other features of the ELF linker, because the generic hash structure
252    does not have the fields needed by the ELF linker.  In particular it
253    means that linking directly to S-records will not work.  */
254 #ifndef bfd_elfNN_bfd_link_hash_table_create
255 #define bfd_elfNN_bfd_link_hash_table_create \
256   _bfd_generic_link_hash_table_create
257 #endif
258 #ifndef bfd_elfNN_bfd_link_hash_table_free
259 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
260 #endif
261 #ifndef bfd_elfNN_bfd_link_add_symbols
262 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
263 #endif
264 #ifndef bfd_elfNN_bfd_final_link
265 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
266 #endif
267 #endif /* ! defined (elf_backend_relocate_section) */
268
269 #ifndef bfd_elfNN_bfd_link_just_syms
270 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
271 #endif
272
273 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
274 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
275   _bfd_elf_copy_link_hash_symbol_type
276 #endif
277
278 #ifndef bfd_elfNN_bfd_link_split_section
279 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
280 #endif
281
282 #ifndef bfd_elfNN_archive_p
283 #define bfd_elfNN_archive_p bfd_generic_archive_p
284 #endif
285
286 #ifndef bfd_elfNN_write_archive_contents
287 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
288 #endif
289
290 #ifndef bfd_elfNN_mkobject
291 #define bfd_elfNN_mkobject bfd_elf_make_object
292 #endif
293
294 #ifndef bfd_elfNN_mkcorefile
295 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
296 #endif
297
298 #ifndef bfd_elfNN_mkarchive
299 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
300 #endif
301
302 #ifndef bfd_elfNN_print_symbol
303 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
304 #endif
305
306 #ifndef elf_symbol_leading_char
307 #define elf_symbol_leading_char 0
308 #endif
309
310 #ifndef elf_info_to_howto
311 #define elf_info_to_howto 0
312 #endif
313
314 #ifndef elf_info_to_howto_rel
315 #define elf_info_to_howto_rel 0
316 #endif
317
318 #ifndef elf_backend_arch_data
319 #define elf_backend_arch_data NULL
320 #endif
321
322 #ifndef ELF_TARGET_ID
323 #define ELF_TARGET_ID   GENERIC_ELF_DATA
324 #endif
325
326 #ifndef ELF_OSABI
327 #define ELF_OSABI ELFOSABI_NONE
328 #endif
329
330 #ifndef ELF_MAXPAGESIZE
331 # error ELF_MAXPAGESIZE is not defined
332 #define ELF_MAXPAGESIZE 1
333 #endif
334
335 #ifndef ELF_COMMONPAGESIZE
336 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
337 #endif
338
339 #ifndef ELF_MINPAGESIZE
340 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
341 #endif
342
343 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
344 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
345 #endif
346 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
347 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
348 #endif
349
350 #ifndef ELF_DYNAMIC_SEC_FLAGS
351 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
352 #define ELF_DYNAMIC_SEC_FLAGS                   \
353   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
354    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
355 #endif
356
357 #ifndef elf_backend_collect
358 #define elf_backend_collect FALSE
359 #endif
360 #ifndef elf_backend_type_change_ok
361 #define elf_backend_type_change_ok FALSE
362 #endif
363
364 #ifndef elf_backend_sym_is_global
365 #define elf_backend_sym_is_global       0
366 #endif
367 #ifndef elf_backend_object_p
368 #define elf_backend_object_p            0
369 #endif
370 #ifndef elf_backend_symbol_processing
371 #define elf_backend_symbol_processing   0
372 #endif
373 #ifndef elf_backend_symbol_table_processing
374 #define elf_backend_symbol_table_processing     0
375 #endif
376 #ifndef elf_backend_get_symbol_type
377 #define elf_backend_get_symbol_type 0
378 #endif
379 #ifndef elf_backend_archive_symbol_lookup
380 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
381 #endif
382 #ifndef elf_backend_name_local_section_symbols
383 #define elf_backend_name_local_section_symbols  0
384 #endif
385 #ifndef elf_backend_section_processing
386 #define elf_backend_section_processing  0
387 #endif
388 #ifndef elf_backend_section_from_shdr
389 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
390 #endif
391 #ifndef elf_backend_section_flags
392 #define elf_backend_section_flags       0
393 #endif
394 #ifndef elf_backend_get_sec_type_attr
395 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
396 #endif
397 #ifndef elf_backend_section_from_phdr
398 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
399 #endif
400 #ifndef elf_backend_fake_sections
401 #define elf_backend_fake_sections       0
402 #endif
403 #ifndef elf_backend_section_from_bfd_section
404 #define elf_backend_section_from_bfd_section    0
405 #endif
406 #ifndef elf_backend_add_symbol_hook
407 #define elf_backend_add_symbol_hook     0
408 #endif
409 #ifndef elf_backend_link_output_symbol_hook
410 #define elf_backend_link_output_symbol_hook 0
411 #endif
412 #ifndef elf_backend_create_dynamic_sections
413 #define elf_backend_create_dynamic_sections 0
414 #endif
415 #ifndef elf_backend_omit_section_dynsym
416 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
417 #endif
418 #ifndef elf_backend_relocs_compatible
419 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
420 #endif
421 #ifndef elf_backend_check_relocs
422 #define elf_backend_check_relocs        0
423 #endif
424 #ifndef elf_backend_check_directives
425 #define elf_backend_check_directives    0
426 #endif
427 #ifndef elf_backend_notice_as_needed
428 #define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
429 #endif
430 #ifndef elf_backend_adjust_dynamic_symbol
431 #define elf_backend_adjust_dynamic_symbol 0
432 #endif
433 #ifndef elf_backend_always_size_sections
434 #define elf_backend_always_size_sections 0
435 #endif
436 #ifndef elf_backend_size_dynamic_sections
437 #define elf_backend_size_dynamic_sections 0
438 #endif
439 #ifndef elf_backend_init_index_section
440 #define elf_backend_init_index_section \
441  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
442 #endif
443 #ifndef elf_backend_relocate_section
444 #define elf_backend_relocate_section    0
445 #endif
446 #ifndef elf_backend_finish_dynamic_symbol
447 #define elf_backend_finish_dynamic_symbol       0
448 #endif
449 #ifndef elf_backend_finish_dynamic_sections
450 #define elf_backend_finish_dynamic_sections     0
451 #endif
452 #ifndef elf_backend_begin_write_processing
453 #define elf_backend_begin_write_processing      0
454 #endif
455 #ifndef elf_backend_final_write_processing
456 #define elf_backend_final_write_processing      0
457 #endif
458 #ifndef elf_backend_additional_program_headers
459 #define elf_backend_additional_program_headers  0
460 #endif
461 #ifndef elf_backend_modify_segment_map
462 #define elf_backend_modify_segment_map  0
463 #endif
464 #ifndef elf_backend_modify_program_headers
465 #define elf_backend_modify_program_headers      0
466 #endif
467 #ifndef elf_backend_ecoff_debug_swap
468 #define elf_backend_ecoff_debug_swap    0
469 #endif
470 #ifndef elf_backend_bfd_from_remote_memory
471 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
472 #endif
473 #ifndef elf_backend_got_header_size
474 #define elf_backend_got_header_size     0
475 #endif
476 #ifndef elf_backend_got_elt_size
477 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
478 #endif
479 #ifndef elf_backend_obj_attrs_vendor
480 #define elf_backend_obj_attrs_vendor            NULL
481 #endif
482 #ifndef elf_backend_obj_attrs_section
483 #define elf_backend_obj_attrs_section           NULL
484 #endif
485 #ifndef elf_backend_obj_attrs_arg_type
486 #define elf_backend_obj_attrs_arg_type          NULL
487 #endif
488 #ifndef elf_backend_obj_attrs_section_type
489 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
490 #endif
491 #ifndef elf_backend_obj_attrs_order
492 #define elf_backend_obj_attrs_order             NULL
493 #endif
494 #ifndef elf_backend_obj_attrs_handle_unknown
495 #define elf_backend_obj_attrs_handle_unknown    NULL
496 #endif
497 #ifndef elf_backend_static_tls_alignment
498 #define elf_backend_static_tls_alignment        1
499 #endif
500 #ifndef elf_backend_post_process_headers
501 #define elf_backend_post_process_headers        NULL
502 #endif
503 #ifndef elf_backend_print_symbol_all
504 #define elf_backend_print_symbol_all            NULL
505 #endif
506 #ifndef elf_backend_output_arch_local_syms
507 #define elf_backend_output_arch_local_syms      NULL
508 #endif
509 #ifndef elf_backend_output_arch_syms
510 #define elf_backend_output_arch_syms            NULL
511 #endif
512 #ifndef elf_backend_copy_indirect_symbol
513 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
514 #endif
515 #ifndef elf_backend_hide_symbol
516 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
517 #endif
518 #ifndef elf_backend_fixup_symbol
519 #define elf_backend_fixup_symbol                NULL
520 #endif
521 #ifndef elf_backend_merge_symbol_attribute
522 #define elf_backend_merge_symbol_attribute      NULL
523 #endif
524 #ifndef elf_backend_get_target_dtag
525 #define elf_backend_get_target_dtag             NULL
526 #endif
527 #ifndef elf_backend_ignore_undef_symbol
528 #define elf_backend_ignore_undef_symbol         NULL
529 #endif
530 #ifndef elf_backend_emit_relocs
531 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
532 #endif
533 #ifndef elf_backend_count_relocs
534 #define elf_backend_count_relocs                NULL
535 #endif
536 #ifndef elf_backend_grok_prstatus
537 #define elf_backend_grok_prstatus               NULL
538 #endif
539 #ifndef elf_backend_grok_psinfo
540 #define elf_backend_grok_psinfo                 NULL
541 #endif
542 #ifndef elf_backend_write_core_note
543 #define elf_backend_write_core_note             NULL
544 #endif
545 #ifndef elf_backend_lookup_section_flags_hook
546 #define elf_backend_lookup_section_flags_hook   NULL
547 #endif
548 #ifndef elf_backend_reloc_type_class
549 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
550 #endif
551 #ifndef elf_backend_discard_info
552 #define elf_backend_discard_info                NULL
553 #endif
554 #ifndef elf_backend_ignore_discarded_relocs
555 #define elf_backend_ignore_discarded_relocs     NULL
556 #endif
557 #ifndef elf_backend_action_discarded
558 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
559 #endif
560 #ifndef elf_backend_eh_frame_address_size
561 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
562 #endif
563 #ifndef elf_backend_can_make_relative_eh_frame
564 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
565 #endif
566 #ifndef elf_backend_can_make_lsda_relative_eh_frame
567 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
568 #endif
569 #ifndef elf_backend_encode_eh_address
570 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
571 #endif
572 #ifndef elf_backend_write_section
573 #define elf_backend_write_section               NULL
574 #endif
575 #ifndef elf_backend_mips_irix_compat
576 #define elf_backend_mips_irix_compat            NULL
577 #endif
578 #ifndef elf_backend_mips_rtype_to_howto
579 #define elf_backend_mips_rtype_to_howto         NULL
580 #endif
581
582 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
583    sections, but not both.  They defined USE_REL to indicate SHT_REL
584    sections, and left it undefined to indicated SHT_RELA sections.
585    For backwards compatibility, we still support this usage.  */
586 #ifndef USE_REL
587 #define USE_REL 0
588 #endif
589
590 /* Use these in new code.  */
591 #ifndef elf_backend_may_use_rel_p
592 #define elf_backend_may_use_rel_p USE_REL
593 #endif
594 #ifndef elf_backend_may_use_rela_p
595 #define elf_backend_may_use_rela_p !USE_REL
596 #endif
597 #ifndef elf_backend_default_use_rela_p
598 #define elf_backend_default_use_rela_p !USE_REL
599 #endif
600 #ifndef elf_backend_rela_plts_and_copies_p
601 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
602 #endif
603
604 #ifndef elf_backend_rela_normal
605 #define elf_backend_rela_normal 0
606 #endif
607
608 #ifndef elf_backend_plt_sym_val
609 #define elf_backend_plt_sym_val NULL
610 #endif
611 #ifndef elf_backend_relplt_name
612 #define elf_backend_relplt_name NULL
613 #endif
614
615 #ifndef ELF_MACHINE_ALT1
616 #define ELF_MACHINE_ALT1 0
617 #endif
618
619 #ifndef ELF_MACHINE_ALT2
620 #define ELF_MACHINE_ALT2 0
621 #endif
622
623 #ifndef elf_backend_size_info
624 #define elf_backend_size_info _bfd_elfNN_size_info
625 #endif
626
627 #ifndef elf_backend_special_sections
628 #define elf_backend_special_sections NULL
629 #endif
630
631 #ifndef elf_backend_sign_extend_vma
632 #define elf_backend_sign_extend_vma 0
633 #endif
634
635 #ifndef elf_backend_link_order_error_handler
636 #define elf_backend_link_order_error_handler _bfd_default_error_handler
637 #endif
638
639 #ifndef elf_backend_common_definition
640 #define elf_backend_common_definition _bfd_elf_common_definition
641 #endif
642
643 #ifndef elf_backend_common_section_index
644 #define elf_backend_common_section_index _bfd_elf_common_section_index
645 #endif
646
647 #ifndef elf_backend_common_section
648 #define elf_backend_common_section _bfd_elf_common_section
649 #endif
650
651 #ifndef elf_backend_merge_symbol
652 #define elf_backend_merge_symbol NULL
653 #endif
654
655 #ifndef elf_backend_hash_symbol
656 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
657 #endif
658
659 #ifndef elf_backend_is_function_type
660 #define elf_backend_is_function_type _bfd_elf_is_function_type
661 #endif
662
663 #ifndef elf_backend_maybe_function_sym
664 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
665 #endif
666
667 #ifndef elf_match_priority
668 #define elf_match_priority \
669   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
670 #endif
671
672 extern const struct elf_size_info _bfd_elfNN_size_info;
673
674 static struct elf_backend_data elfNN_bed =
675 {
676   ELF_ARCH,                     /* arch */
677   ELF_TARGET_ID,                /* target_id */
678   ELF_MACHINE_CODE,             /* elf_machine_code */
679   ELF_OSABI,                    /* elf_osabi  */
680   ELF_MAXPAGESIZE,              /* maxpagesize */
681   ELF_MINPAGESIZE,              /* minpagesize */
682   ELF_COMMONPAGESIZE,           /* commonpagesize */
683   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
684   elf_backend_arch_data,
685   elf_info_to_howto,
686   elf_info_to_howto_rel,
687   elf_backend_sym_is_global,
688   elf_backend_object_p,
689   elf_backend_symbol_processing,
690   elf_backend_symbol_table_processing,
691   elf_backend_get_symbol_type,
692   elf_backend_archive_symbol_lookup,
693   elf_backend_name_local_section_symbols,
694   elf_backend_section_processing,
695   elf_backend_section_from_shdr,
696   elf_backend_section_flags,
697   elf_backend_get_sec_type_attr,
698   elf_backend_section_from_phdr,
699   elf_backend_fake_sections,
700   elf_backend_section_from_bfd_section,
701   elf_backend_add_symbol_hook,
702   elf_backend_link_output_symbol_hook,
703   elf_backend_create_dynamic_sections,
704   elf_backend_omit_section_dynsym,
705   elf_backend_relocs_compatible,
706   elf_backend_check_relocs,
707   elf_backend_check_directives,
708   elf_backend_notice_as_needed,
709   elf_backend_adjust_dynamic_symbol,
710   elf_backend_always_size_sections,
711   elf_backend_size_dynamic_sections,
712   elf_backend_init_index_section,
713   elf_backend_relocate_section,
714   elf_backend_finish_dynamic_symbol,
715   elf_backend_finish_dynamic_sections,
716   elf_backend_begin_write_processing,
717   elf_backend_final_write_processing,
718   elf_backend_additional_program_headers,
719   elf_backend_modify_segment_map,
720   elf_backend_modify_program_headers,
721   elf_backend_gc_keep,
722   elf_backend_gc_mark_dynamic_ref,
723   elf_backend_gc_mark_hook,
724   elf_backend_gc_mark_extra_sections,
725   elf_backend_gc_sweep_hook,
726   elf_backend_post_process_headers,
727   elf_backend_print_symbol_all,
728   elf_backend_output_arch_local_syms,
729   elf_backend_output_arch_syms,
730   elf_backend_copy_indirect_symbol,
731   elf_backend_hide_symbol,
732   elf_backend_fixup_symbol,
733   elf_backend_merge_symbol_attribute,
734   elf_backend_get_target_dtag,
735   elf_backend_ignore_undef_symbol,
736   elf_backend_emit_relocs,
737   elf_backend_count_relocs,
738   elf_backend_grok_prstatus,
739   elf_backend_grok_psinfo,
740   elf_backend_write_core_note,
741   elf_backend_lookup_section_flags_hook,
742   elf_backend_reloc_type_class,
743   elf_backend_discard_info,
744   elf_backend_ignore_discarded_relocs,
745   elf_backend_action_discarded,
746   elf_backend_eh_frame_address_size,
747   elf_backend_can_make_relative_eh_frame,
748   elf_backend_can_make_lsda_relative_eh_frame,
749   elf_backend_encode_eh_address,
750   elf_backend_write_section,
751   elf_backend_mips_irix_compat,
752   elf_backend_mips_rtype_to_howto,
753   elf_backend_ecoff_debug_swap,
754   elf_backend_bfd_from_remote_memory,
755   elf_backend_plt_sym_val,
756   elf_backend_common_definition,
757   elf_backend_common_section_index,
758   elf_backend_common_section,
759   elf_backend_merge_symbol,
760   elf_backend_hash_symbol,
761   elf_backend_is_function_type,
762   elf_backend_maybe_function_sym,
763   elf_backend_link_order_error_handler,
764   elf_backend_relplt_name,
765   ELF_MACHINE_ALT1,
766   ELF_MACHINE_ALT2,
767   &elf_backend_size_info,
768   elf_backend_special_sections,
769   elf_backend_got_header_size,
770   elf_backend_got_elt_size,
771   elf_backend_obj_attrs_vendor,
772   elf_backend_obj_attrs_section,
773   elf_backend_obj_attrs_arg_type,
774   elf_backend_obj_attrs_section_type,
775   elf_backend_obj_attrs_order,
776   elf_backend_obj_attrs_handle_unknown,
777   elf_backend_static_tls_alignment,
778   elf_backend_stack_align,
779   elf_backend_collect,
780   elf_backend_type_change_ok,
781   elf_backend_may_use_rel_p,
782   elf_backend_may_use_rela_p,
783   elf_backend_default_use_rela_p,
784   elf_backend_rela_plts_and_copies_p,
785   elf_backend_rela_normal,
786   elf_backend_sign_extend_vma,
787   elf_backend_want_got_plt,
788   elf_backend_plt_readonly,
789   elf_backend_want_plt_sym,
790   elf_backend_plt_not_loaded,
791   elf_backend_plt_alignment,
792   elf_backend_can_gc_sections,
793   elf_backend_can_refcount,
794   elf_backend_want_got_sym,
795   elf_backend_want_dynbss,
796   elf_backend_want_p_paddr_set_to_zero,
797   elf_backend_default_execstack
798 };
799
800 /* Forward declaration for use when initialising alternative_target field.  */
801 #ifdef TARGET_LITTLE_SYM
802 extern const bfd_target TARGET_LITTLE_SYM;
803 #endif
804
805 #ifdef TARGET_BIG_SYM
806 const bfd_target TARGET_BIG_SYM =
807 {
808   /* name: identify kind of target */
809   TARGET_BIG_NAME,
810
811   /* flavour: general indication about file */
812   bfd_target_elf_flavour,
813
814   /* byteorder: data is big endian */
815   BFD_ENDIAN_BIG,
816
817   /* header_byteorder: header is also big endian */
818   BFD_ENDIAN_BIG,
819
820   /* object_flags: mask of all file flags */
821   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
822    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
823
824   /* section_flags: mask of all section flags */
825   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
826    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
827    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
828
829    /* leading_symbol_char: is the first char of a user symbol
830       predictable, and if so what is it */
831   elf_symbol_leading_char,
832
833   /* ar_pad_char: pad character for filenames within an archive header
834      FIXME:  this really has nothing to do with ELF, this is a characteristic
835      of the archiver and/or os and should be independently tunable */
836   '/',
837
838   /* ar_max_namelen: maximum number of characters in an archive header
839      FIXME:  this really has nothing to do with ELF, this is a characteristic
840      of the archiver and should be independently tunable.  The System V ABI,
841      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
842   15,
843
844   elf_match_priority,
845
846   /* Routines to byte-swap various sized integers from the data sections */
847   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
848     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
849     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
850
851   /* Routines to byte-swap various sized integers from the file headers */
852   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
853     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
854     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
855
856   /* bfd_check_format: check the format of a file being read */
857   { _bfd_dummy_target,          /* unknown format */
858     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
859     bfd_elfNN_archive_p,        /* an archive */
860     bfd_elfNN_core_file_p       /* a core file */
861   },
862
863   /* bfd_set_format: set the format of a file being written */
864   { bfd_false,
865     bfd_elfNN_mkobject,
866     bfd_elfNN_mkarchive,
867     bfd_elfNN_mkcorefile
868   },
869
870   /* bfd_write_contents: write cached information into a file being written */
871   { bfd_false,
872     bfd_elfNN_write_object_contents,
873     bfd_elfNN_write_archive_contents,
874     bfd_elfNN_write_corefile_contents,
875   },
876
877   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
878   BFD_JUMP_TABLE_COPY (bfd_elfNN),
879   BFD_JUMP_TABLE_CORE (bfd_elfNN),
880 #ifdef bfd_elfNN_archive_functions
881   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
882 #else
883   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
884 #endif
885   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
886   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
887   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
888   BFD_JUMP_TABLE_LINK (bfd_elfNN),
889   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
890
891   /* Alternative endian target.  */
892 #ifdef TARGET_LITTLE_SYM
893   & TARGET_LITTLE_SYM,
894 #else
895   NULL,
896 #endif
897
898   /* backend_data: */
899   &elfNN_bed
900 };
901 #endif
902
903 #ifdef TARGET_LITTLE_SYM
904 const bfd_target TARGET_LITTLE_SYM =
905 {
906   /* name: identify kind of target */
907   TARGET_LITTLE_NAME,
908
909   /* flavour: general indication about file */
910   bfd_target_elf_flavour,
911
912   /* byteorder: data is little endian */
913   BFD_ENDIAN_LITTLE,
914
915   /* header_byteorder: header is also little endian */
916   BFD_ENDIAN_LITTLE,
917
918   /* object_flags: mask of all file flags */
919   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
920    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
921
922   /* section_flags: mask of all section flags */
923   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
924    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
925    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
926
927    /* leading_symbol_char: is the first char of a user symbol
928       predictable, and if so what is it */
929   elf_symbol_leading_char,
930
931   /* ar_pad_char: pad character for filenames within an archive header
932      FIXME:  this really has nothing to do with ELF, this is a characteristic
933      of the archiver and/or os and should be independently tunable */
934   '/',
935
936   /* ar_max_namelen: maximum number of characters in an archive header
937      FIXME:  this really has nothing to do with ELF, this is a characteristic
938      of the archiver and should be independently tunable.  The System V ABI,
939      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
940   15,
941
942   elf_match_priority,
943
944   /* Routines to byte-swap various sized integers from the data sections */
945   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
946     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
947     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
948
949   /* Routines to byte-swap various sized integers from the file headers */
950   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
951     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
952     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
953
954   /* bfd_check_format: check the format of a file being read */
955   { _bfd_dummy_target,          /* unknown format */
956     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
957     bfd_elfNN_archive_p,        /* an archive */
958     bfd_elfNN_core_file_p       /* a core file */
959   },
960
961   /* bfd_set_format: set the format of a file being written */
962   { bfd_false,
963     bfd_elfNN_mkobject,
964     bfd_elfNN_mkarchive,
965     bfd_elfNN_mkcorefile
966   },
967
968   /* bfd_write_contents: write cached information into a file being written */
969   { bfd_false,
970     bfd_elfNN_write_object_contents,
971     bfd_elfNN_write_archive_contents,
972     bfd_elfNN_write_corefile_contents,
973   },
974
975   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
976   BFD_JUMP_TABLE_COPY (bfd_elfNN),
977   BFD_JUMP_TABLE_CORE (bfd_elfNN),
978 #ifdef bfd_elfNN_archive_functions
979   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
980 #else
981   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
982 #endif
983   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
984   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
985   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
986   BFD_JUMP_TABLE_LINK (bfd_elfNN),
987   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
988
989   /* Alternative endian target.  */
990 #ifdef TARGET_BIG_SYM
991   & TARGET_BIG_SYM,
992 #else
993   NULL,
994 #endif
995
996   /* backend_data: */
997   &elfNN_bed
998 };
999 #endif