Merge branch 'vendor/GCC44'
[dragonfly.git] / contrib / binutils-2.22 / 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
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
113 #define bfd_elfNN_bfd_debug_info_start  bfd_void
114 #define bfd_elfNN_bfd_debug_info_end    bfd_void
115 #define bfd_elfNN_bfd_debug_info_accumulate \
116   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
117
118 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
119 #define bfd_elfNN_bfd_get_relocated_section_contents \
120   bfd_generic_get_relocated_section_contents
121 #endif
122
123 #ifndef bfd_elfNN_bfd_relax_section
124 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
125 #endif
126
127 #ifndef elf_backend_can_gc_sections
128 #define elf_backend_can_gc_sections 0
129 #endif
130 #ifndef elf_backend_can_refcount
131 #define elf_backend_can_refcount 0
132 #endif
133 #ifndef elf_backend_want_got_sym
134 #define elf_backend_want_got_sym 1
135 #endif
136 #ifndef elf_backend_gc_keep
137 #define elf_backend_gc_keep             _bfd_elf_gc_keep
138 #endif
139 #ifndef elf_backend_gc_mark_dynamic_ref
140 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
141 #endif
142 #ifndef elf_backend_gc_mark_hook
143 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
144 #endif
145 #ifndef elf_backend_gc_mark_extra_sections
146 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
147 #endif
148 #ifndef elf_backend_gc_sweep_hook
149 #define elf_backend_gc_sweep_hook       NULL
150 #endif
151 #ifndef bfd_elfNN_bfd_gc_sections
152 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
153 #endif
154
155 #ifndef bfd_elfNN_bfd_merge_sections
156 #define bfd_elfNN_bfd_merge_sections \
157   _bfd_elf_merge_sections
158 #endif
159
160 #ifndef bfd_elfNN_bfd_is_group_section
161 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
162 #endif
163
164 #ifndef bfd_elfNN_bfd_discard_group
165 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
166 #endif
167
168 #ifndef bfd_elfNN_section_already_linked
169 #define bfd_elfNN_section_already_linked \
170   _bfd_elf_section_already_linked
171 #endif
172
173 #ifndef bfd_elfNN_bfd_define_common_symbol
174 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
175 #endif
176
177 #ifndef bfd_elfNN_bfd_lookup_section_flags
178 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
179 #endif
180
181 #ifndef bfd_elfNN_bfd_make_debug_symbol
182 #define bfd_elfNN_bfd_make_debug_symbol \
183   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
184 #endif
185
186 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
187 #define bfd_elfNN_bfd_copy_private_symbol_data \
188   _bfd_elf_copy_private_symbol_data
189 #endif
190
191 #ifndef bfd_elfNN_bfd_copy_private_section_data
192 #define bfd_elfNN_bfd_copy_private_section_data \
193   _bfd_elf_copy_private_section_data
194 #endif
195 #ifndef bfd_elfNN_bfd_copy_private_header_data
196 #define bfd_elfNN_bfd_copy_private_header_data \
197   _bfd_elf_copy_private_header_data
198 #endif
199 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
200 #define bfd_elfNN_bfd_copy_private_bfd_data \
201   _bfd_elf_copy_private_bfd_data
202 #endif
203 #ifndef bfd_elfNN_bfd_print_private_bfd_data
204 #define bfd_elfNN_bfd_print_private_bfd_data \
205   _bfd_elf_print_private_bfd_data
206 #endif
207 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
208 #define bfd_elfNN_bfd_merge_private_bfd_data \
209   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
210 #endif
211 #ifndef bfd_elfNN_bfd_set_private_flags
212 #define bfd_elfNN_bfd_set_private_flags \
213   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
214 #endif
215 #ifndef bfd_elfNN_bfd_is_local_label_name
216 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
217 #endif
218 #ifndef bfd_elfNN_bfd_is_target_special_symbol
219 #define bfd_elfNN_bfd_is_target_special_symbol \
220   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
221 #endif
222
223 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
224 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
225   _bfd_elf_get_dynamic_reloc_upper_bound
226 #endif
227 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
228 #define bfd_elfNN_canonicalize_dynamic_reloc \
229   _bfd_elf_canonicalize_dynamic_reloc
230 #endif
231
232 #ifndef bfd_elfNN_bfd_link_hash_table_free
233 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
234 #endif
235
236 #ifdef elf_backend_relocate_section
237 #ifndef bfd_elfNN_bfd_link_hash_table_create
238 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
239 #endif
240 #ifndef bfd_elfNN_bfd_link_add_symbols
241 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
242 #endif
243 #ifndef bfd_elfNN_bfd_final_link
244 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
245 #endif
246 #else /* ! defined (elf_backend_relocate_section) */
247 /* If no backend relocate_section routine, use the generic linker.
248    Note - this will prevent the port from being able to use some of
249    the other features of the ELF linker, because the generic hash structure
250    does not have the fields needed by the ELF linker.  In particular it
251    means that linking directly to S-records will not work.  */
252 #ifndef bfd_elfNN_bfd_link_hash_table_create
253 #define bfd_elfNN_bfd_link_hash_table_create \
254   _bfd_generic_link_hash_table_create
255 #endif
256 #ifndef bfd_elfNN_bfd_link_add_symbols
257 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
258 #endif
259 #ifndef bfd_elfNN_bfd_final_link
260 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
261 #endif
262 #endif /* ! defined (elf_backend_relocate_section) */
263
264 #ifndef bfd_elfNN_bfd_link_just_syms
265 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
266 #endif
267
268 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
269 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
270   _bfd_elf_copy_link_hash_symbol_type
271 #endif
272
273 #ifndef bfd_elfNN_bfd_link_split_section
274 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
275 #endif
276
277 #ifndef bfd_elfNN_archive_p
278 #define bfd_elfNN_archive_p bfd_generic_archive_p
279 #endif
280
281 #ifndef bfd_elfNN_write_archive_contents
282 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
283 #endif
284
285 #ifndef bfd_elfNN_mkobject
286 #define bfd_elfNN_mkobject bfd_elf_make_object
287 #endif
288
289 #ifndef bfd_elfNN_mkcorefile
290 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
291 #endif
292
293 #ifndef bfd_elfNN_mkarchive
294 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
295 #endif
296
297 #ifndef bfd_elfNN_print_symbol
298 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
299 #endif
300
301 #ifndef elf_symbol_leading_char
302 #define elf_symbol_leading_char 0
303 #endif
304
305 #ifndef elf_info_to_howto
306 #define elf_info_to_howto 0
307 #endif
308
309 #ifndef elf_info_to_howto_rel
310 #define elf_info_to_howto_rel 0
311 #endif
312
313 #ifndef elf_backend_arch_data
314 #define elf_backend_arch_data NULL
315 #endif
316
317 #ifndef ELF_TARGET_ID
318 #define ELF_TARGET_ID   GENERIC_ELF_DATA
319 #endif
320
321 #ifndef ELF_OSABI
322 #define ELF_OSABI ELFOSABI_NONE
323 #endif
324
325 #ifndef ELF_MAXPAGESIZE
326 # error ELF_MAXPAGESIZE is not defined
327 #define ELF_MAXPAGESIZE 1
328 #endif
329
330 #ifndef ELF_COMMONPAGESIZE
331 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
332 #endif
333
334 #ifndef ELF_MINPAGESIZE
335 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
336 #endif
337
338 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
339 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
340 #endif
341 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
342 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
343 #endif
344
345 #ifndef ELF_DYNAMIC_SEC_FLAGS
346 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
347 #define ELF_DYNAMIC_SEC_FLAGS                   \
348   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
349    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
350 #endif
351
352 #ifndef elf_backend_collect
353 #define elf_backend_collect FALSE
354 #endif
355 #ifndef elf_backend_type_change_ok
356 #define elf_backend_type_change_ok FALSE
357 #endif
358
359 #ifndef elf_backend_sym_is_global
360 #define elf_backend_sym_is_global       0
361 #endif
362 #ifndef elf_backend_object_p
363 #define elf_backend_object_p            0
364 #endif
365 #ifndef elf_backend_symbol_processing
366 #define elf_backend_symbol_processing   0
367 #endif
368 #ifndef elf_backend_symbol_table_processing
369 #define elf_backend_symbol_table_processing     0
370 #endif
371 #ifndef elf_backend_get_symbol_type
372 #define elf_backend_get_symbol_type 0
373 #endif
374 #ifndef elf_backend_archive_symbol_lookup
375 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
376 #endif
377 #ifndef elf_backend_name_local_section_symbols
378 #define elf_backend_name_local_section_symbols  0
379 #endif
380 #ifndef elf_backend_section_processing
381 #define elf_backend_section_processing  0
382 #endif
383 #ifndef elf_backend_section_from_shdr
384 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
385 #endif
386 #ifndef elf_backend_section_flags
387 #define elf_backend_section_flags       0
388 #endif
389 #ifndef elf_backend_get_sec_type_attr
390 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
391 #endif
392 #ifndef elf_backend_section_from_phdr
393 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
394 #endif
395 #ifndef elf_backend_fake_sections
396 #define elf_backend_fake_sections       0
397 #endif
398 #ifndef elf_backend_section_from_bfd_section
399 #define elf_backend_section_from_bfd_section    0
400 #endif
401 #ifndef elf_backend_add_symbol_hook
402 #define elf_backend_add_symbol_hook     0
403 #endif
404 #ifndef elf_backend_link_output_symbol_hook
405 #define elf_backend_link_output_symbol_hook 0
406 #endif
407 #ifndef elf_backend_create_dynamic_sections
408 #define elf_backend_create_dynamic_sections 0
409 #endif
410 #ifndef elf_backend_omit_section_dynsym
411 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
412 #endif
413 #ifndef elf_backend_relocs_compatible
414 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
415 #endif
416 #ifndef elf_backend_check_relocs
417 #define elf_backend_check_relocs        0
418 #endif
419 #ifndef elf_backend_check_directives
420 #define elf_backend_check_directives    0
421 #endif
422 #ifndef elf_backend_as_needed_cleanup
423 #define elf_backend_as_needed_cleanup   0
424 #endif
425 #ifndef elf_backend_adjust_dynamic_symbol
426 #define elf_backend_adjust_dynamic_symbol 0
427 #endif
428 #ifndef elf_backend_always_size_sections
429 #define elf_backend_always_size_sections 0
430 #endif
431 #ifndef elf_backend_size_dynamic_sections
432 #define elf_backend_size_dynamic_sections 0
433 #endif
434 #ifndef elf_backend_init_index_section
435 #define elf_backend_init_index_section \
436  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
437 #endif
438 #ifndef elf_backend_relocate_section
439 #define elf_backend_relocate_section    0
440 #endif
441 #ifndef elf_backend_finish_dynamic_symbol
442 #define elf_backend_finish_dynamic_symbol       0
443 #endif
444 #ifndef elf_backend_finish_dynamic_sections
445 #define elf_backend_finish_dynamic_sections     0
446 #endif
447 #ifndef elf_backend_begin_write_processing
448 #define elf_backend_begin_write_processing      0
449 #endif
450 #ifndef elf_backend_final_write_processing
451 #define elf_backend_final_write_processing      0
452 #endif
453 #ifndef elf_backend_additional_program_headers
454 #define elf_backend_additional_program_headers  0
455 #endif
456 #ifndef elf_backend_modify_segment_map
457 #define elf_backend_modify_segment_map  0
458 #endif
459 #ifndef elf_backend_modify_program_headers
460 #define elf_backend_modify_program_headers      0
461 #endif
462 #ifndef elf_backend_ecoff_debug_swap
463 #define elf_backend_ecoff_debug_swap    0
464 #endif
465 #ifndef elf_backend_bfd_from_remote_memory
466 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
467 #endif
468 #ifndef elf_backend_got_header_size
469 #define elf_backend_got_header_size     0
470 #endif
471 #ifndef elf_backend_got_elt_size
472 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
473 #endif
474 #ifndef elf_backend_obj_attrs_vendor
475 #define elf_backend_obj_attrs_vendor            NULL
476 #endif
477 #ifndef elf_backend_obj_attrs_section
478 #define elf_backend_obj_attrs_section           NULL
479 #endif
480 #ifndef elf_backend_obj_attrs_arg_type
481 #define elf_backend_obj_attrs_arg_type          NULL
482 #endif
483 #ifndef elf_backend_obj_attrs_section_type
484 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
485 #endif
486 #ifndef elf_backend_obj_attrs_order
487 #define elf_backend_obj_attrs_order             NULL
488 #endif
489 #ifndef elf_backend_obj_attrs_handle_unknown
490 #define elf_backend_obj_attrs_handle_unknown    NULL
491 #endif
492 #ifndef elf_backend_static_tls_alignment
493 #define elf_backend_static_tls_alignment        1
494 #endif
495 #ifndef elf_backend_post_process_headers
496 #define elf_backend_post_process_headers        NULL
497 #endif
498 #ifndef elf_backend_print_symbol_all
499 #define elf_backend_print_symbol_all            NULL
500 #endif
501 #ifndef elf_backend_output_arch_local_syms
502 #define elf_backend_output_arch_local_syms      NULL
503 #endif
504 #ifndef elf_backend_output_arch_syms
505 #define elf_backend_output_arch_syms            NULL
506 #endif
507 #ifndef elf_backend_copy_indirect_symbol
508 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
509 #endif
510 #ifndef elf_backend_hide_symbol
511 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
512 #endif
513 #ifndef elf_backend_fixup_symbol
514 #define elf_backend_fixup_symbol                NULL
515 #endif
516 #ifndef elf_backend_merge_symbol_attribute
517 #define elf_backend_merge_symbol_attribute      NULL
518 #endif
519 #ifndef elf_backend_get_target_dtag
520 #define elf_backend_get_target_dtag             NULL
521 #endif
522 #ifndef elf_backend_ignore_undef_symbol
523 #define elf_backend_ignore_undef_symbol         NULL
524 #endif
525 #ifndef elf_backend_emit_relocs
526 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
527 #endif
528 #ifndef elf_backend_count_relocs
529 #define elf_backend_count_relocs                NULL
530 #endif
531 #ifndef elf_backend_grok_prstatus
532 #define elf_backend_grok_prstatus               NULL
533 #endif
534 #ifndef elf_backend_grok_psinfo
535 #define elf_backend_grok_psinfo                 NULL
536 #endif
537 #ifndef elf_backend_write_core_note
538 #define elf_backend_write_core_note             NULL
539 #endif
540 #ifndef elf_backend_lookup_section_flags_hook
541 #define elf_backend_lookup_section_flags_hook   NULL
542 #endif
543 #ifndef elf_backend_reloc_type_class
544 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
545 #endif
546 #ifndef elf_backend_discard_info
547 #define elf_backend_discard_info                NULL
548 #endif
549 #ifndef elf_backend_ignore_discarded_relocs
550 #define elf_backend_ignore_discarded_relocs     NULL
551 #endif
552 #ifndef elf_backend_action_discarded
553 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
554 #endif
555 #ifndef elf_backend_eh_frame_address_size
556 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
557 #endif
558 #ifndef elf_backend_can_make_relative_eh_frame
559 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
560 #endif
561 #ifndef elf_backend_can_make_lsda_relative_eh_frame
562 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
563 #endif
564 #ifndef elf_backend_encode_eh_address
565 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
566 #endif
567 #ifndef elf_backend_write_section
568 #define elf_backend_write_section               NULL
569 #endif
570 #ifndef elf_backend_mips_irix_compat
571 #define elf_backend_mips_irix_compat            NULL
572 #endif
573 #ifndef elf_backend_mips_rtype_to_howto
574 #define elf_backend_mips_rtype_to_howto         NULL
575 #endif
576
577 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
578    sections, but not both.  They defined USE_REL to indicate SHT_REL
579    sections, and left it undefined to indicated SHT_RELA sections.
580    For backwards compatibility, we still support this usage.  */
581 #ifndef USE_REL
582 #define USE_REL 0
583 #endif
584
585 /* Use these in new code.  */
586 #ifndef elf_backend_may_use_rel_p
587 #define elf_backend_may_use_rel_p USE_REL
588 #endif
589 #ifndef elf_backend_may_use_rela_p
590 #define elf_backend_may_use_rela_p !USE_REL
591 #endif
592 #ifndef elf_backend_default_use_rela_p
593 #define elf_backend_default_use_rela_p !USE_REL
594 #endif
595 #ifndef elf_backend_rela_plts_and_copies_p
596 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
597 #endif
598
599 #ifndef elf_backend_rela_normal
600 #define elf_backend_rela_normal 0
601 #endif
602
603 #ifndef elf_backend_plt_sym_val
604 #define elf_backend_plt_sym_val NULL
605 #endif
606 #ifndef elf_backend_relplt_name
607 #define elf_backend_relplt_name NULL
608 #endif
609
610 #ifndef ELF_MACHINE_ALT1
611 #define ELF_MACHINE_ALT1 0
612 #endif
613
614 #ifndef ELF_MACHINE_ALT2
615 #define ELF_MACHINE_ALT2 0
616 #endif
617
618 #ifndef elf_backend_size_info
619 #define elf_backend_size_info _bfd_elfNN_size_info
620 #endif
621
622 #ifndef elf_backend_special_sections
623 #define elf_backend_special_sections NULL
624 #endif
625
626 #ifndef elf_backend_sign_extend_vma
627 #define elf_backend_sign_extend_vma 0
628 #endif
629
630 #ifndef elf_backend_link_order_error_handler
631 #define elf_backend_link_order_error_handler _bfd_default_error_handler
632 #endif
633
634 #ifndef elf_backend_common_definition
635 #define elf_backend_common_definition _bfd_elf_common_definition
636 #endif
637
638 #ifndef elf_backend_common_section_index
639 #define elf_backend_common_section_index _bfd_elf_common_section_index
640 #endif
641
642 #ifndef elf_backend_common_section
643 #define elf_backend_common_section _bfd_elf_common_section
644 #endif
645
646 #ifndef elf_backend_merge_symbol
647 #define elf_backend_merge_symbol NULL
648 #endif
649
650 #ifndef elf_backend_hash_symbol
651 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
652 #endif
653
654 #ifndef elf_backend_is_function_type
655 #define elf_backend_is_function_type _bfd_elf_is_function_type
656 #endif
657
658 #ifndef elf_match_priority
659 #define elf_match_priority \
660   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
661 #endif
662
663 extern const struct elf_size_info _bfd_elfNN_size_info;
664
665 static struct elf_backend_data elfNN_bed =
666 {
667   ELF_ARCH,                     /* arch */
668   ELF_TARGET_ID,                /* target_id */
669   ELF_MACHINE_CODE,             /* elf_machine_code */
670   ELF_OSABI,                    /* elf_osabi  */
671   ELF_MAXPAGESIZE,              /* maxpagesize */
672   ELF_MINPAGESIZE,              /* minpagesize */
673   ELF_COMMONPAGESIZE,           /* commonpagesize */
674   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
675   elf_backend_arch_data,
676   elf_info_to_howto,
677   elf_info_to_howto_rel,
678   elf_backend_sym_is_global,
679   elf_backend_object_p,
680   elf_backend_symbol_processing,
681   elf_backend_symbol_table_processing,
682   elf_backend_get_symbol_type,
683   elf_backend_archive_symbol_lookup,
684   elf_backend_name_local_section_symbols,
685   elf_backend_section_processing,
686   elf_backend_section_from_shdr,
687   elf_backend_section_flags,
688   elf_backend_get_sec_type_attr,
689   elf_backend_section_from_phdr,
690   elf_backend_fake_sections,
691   elf_backend_section_from_bfd_section,
692   elf_backend_add_symbol_hook,
693   elf_backend_link_output_symbol_hook,
694   elf_backend_create_dynamic_sections,
695   elf_backend_omit_section_dynsym,
696   elf_backend_relocs_compatible,
697   elf_backend_check_relocs,
698   elf_backend_check_directives,
699   elf_backend_as_needed_cleanup,
700   elf_backend_adjust_dynamic_symbol,
701   elf_backend_always_size_sections,
702   elf_backend_size_dynamic_sections,
703   elf_backend_init_index_section,
704   elf_backend_relocate_section,
705   elf_backend_finish_dynamic_symbol,
706   elf_backend_finish_dynamic_sections,
707   elf_backend_begin_write_processing,
708   elf_backend_final_write_processing,
709   elf_backend_additional_program_headers,
710   elf_backend_modify_segment_map,
711   elf_backend_modify_program_headers,
712   elf_backend_gc_keep,
713   elf_backend_gc_mark_dynamic_ref,
714   elf_backend_gc_mark_hook,
715   elf_backend_gc_mark_extra_sections,
716   elf_backend_gc_sweep_hook,
717   elf_backend_post_process_headers,
718   elf_backend_print_symbol_all,
719   elf_backend_output_arch_local_syms,
720   elf_backend_output_arch_syms,
721   elf_backend_copy_indirect_symbol,
722   elf_backend_hide_symbol,
723   elf_backend_fixup_symbol,
724   elf_backend_merge_symbol_attribute,
725   elf_backend_get_target_dtag,
726   elf_backend_ignore_undef_symbol,
727   elf_backend_emit_relocs,
728   elf_backend_count_relocs,
729   elf_backend_grok_prstatus,
730   elf_backend_grok_psinfo,
731   elf_backend_write_core_note,
732   elf_backend_lookup_section_flags_hook,
733   elf_backend_reloc_type_class,
734   elf_backend_discard_info,
735   elf_backend_ignore_discarded_relocs,
736   elf_backend_action_discarded,
737   elf_backend_eh_frame_address_size,
738   elf_backend_can_make_relative_eh_frame,
739   elf_backend_can_make_lsda_relative_eh_frame,
740   elf_backend_encode_eh_address,
741   elf_backend_write_section,
742   elf_backend_mips_irix_compat,
743   elf_backend_mips_rtype_to_howto,
744   elf_backend_ecoff_debug_swap,
745   elf_backend_bfd_from_remote_memory,
746   elf_backend_plt_sym_val,
747   elf_backend_common_definition,
748   elf_backend_common_section_index,
749   elf_backend_common_section,
750   elf_backend_merge_symbol,
751   elf_backend_hash_symbol,
752   elf_backend_is_function_type,
753   elf_backend_link_order_error_handler,
754   elf_backend_relplt_name,
755   ELF_MACHINE_ALT1,
756   ELF_MACHINE_ALT2,
757   &elf_backend_size_info,
758   elf_backend_special_sections,
759   elf_backend_got_header_size,
760   elf_backend_got_elt_size,
761   elf_backend_obj_attrs_vendor,
762   elf_backend_obj_attrs_section,
763   elf_backend_obj_attrs_arg_type,
764   elf_backend_obj_attrs_section_type,
765   elf_backend_obj_attrs_order,
766   elf_backend_obj_attrs_handle_unknown,
767   elf_backend_static_tls_alignment,
768   elf_backend_collect,
769   elf_backend_type_change_ok,
770   elf_backend_may_use_rel_p,
771   elf_backend_may_use_rela_p,
772   elf_backend_default_use_rela_p,
773   elf_backend_rela_plts_and_copies_p,
774   elf_backend_rela_normal,
775   elf_backend_sign_extend_vma,
776   elf_backend_want_got_plt,
777   elf_backend_plt_readonly,
778   elf_backend_want_plt_sym,
779   elf_backend_plt_not_loaded,
780   elf_backend_plt_alignment,
781   elf_backend_can_gc_sections,
782   elf_backend_can_refcount,
783   elf_backend_want_got_sym,
784   elf_backend_want_dynbss,
785   elf_backend_want_p_paddr_set_to_zero,
786   elf_backend_default_execstack
787 };
788
789 /* Forward declaration for use when initialising alternative_target field.  */
790 #ifdef TARGET_LITTLE_SYM
791 extern const bfd_target TARGET_LITTLE_SYM;
792 #endif
793
794 #ifdef TARGET_BIG_SYM
795 const bfd_target TARGET_BIG_SYM =
796 {
797   /* name: identify kind of target */
798   TARGET_BIG_NAME,
799
800   /* flavour: general indication about file */
801   bfd_target_elf_flavour,
802
803   /* byteorder: data is big endian */
804   BFD_ENDIAN_BIG,
805
806   /* header_byteorder: header is also big endian */
807   BFD_ENDIAN_BIG,
808
809   /* object_flags: mask of all file flags */
810   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
811    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
812
813   /* section_flags: mask of all section flags */
814   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
815    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
816    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
817
818    /* leading_symbol_char: is the first char of a user symbol
819       predictable, and if so what is it */
820   elf_symbol_leading_char,
821
822   /* ar_pad_char: pad character for filenames within an archive header
823      FIXME:  this really has nothing to do with ELF, this is a characteristic
824      of the archiver and/or os and should be independently tunable */
825   '/',
826
827   /* ar_max_namelen: maximum number of characters in an archive header
828      FIXME:  this really has nothing to do with ELF, this is a characteristic
829      of the archiver and should be independently tunable.  The System V ABI,
830      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
831   15,
832
833   elf_match_priority,
834
835   /* Routines to byte-swap various sized integers from the data sections */
836   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
837     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
838     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
839
840   /* Routines to byte-swap various sized integers from the file headers */
841   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
842     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
843     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
844
845   /* bfd_check_format: check the format of a file being read */
846   { _bfd_dummy_target,          /* unknown format */
847     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
848     bfd_elfNN_archive_p,        /* an archive */
849     bfd_elfNN_core_file_p       /* a core file */
850   },
851
852   /* bfd_set_format: set the format of a file being written */
853   { bfd_false,
854     bfd_elfNN_mkobject,
855     bfd_elfNN_mkarchive,
856     bfd_elfNN_mkcorefile
857   },
858
859   /* bfd_write_contents: write cached information into a file being written */
860   { bfd_false,
861     bfd_elfNN_write_object_contents,
862     bfd_elfNN_write_archive_contents,
863     bfd_elfNN_write_corefile_contents,
864   },
865
866   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
867   BFD_JUMP_TABLE_COPY (bfd_elfNN),
868   BFD_JUMP_TABLE_CORE (bfd_elfNN),
869 #ifdef bfd_elfNN_archive_functions
870   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
871 #else
872   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
873 #endif
874   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
875   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
876   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
877   BFD_JUMP_TABLE_LINK (bfd_elfNN),
878   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
879
880   /* Alternative endian target.  */
881 #ifdef TARGET_LITTLE_SYM
882   & TARGET_LITTLE_SYM,
883 #else
884   NULL,
885 #endif
886
887   /* backend_data: */
888   &elfNN_bed
889 };
890 #endif
891
892 #ifdef TARGET_LITTLE_SYM
893 const bfd_target TARGET_LITTLE_SYM =
894 {
895   /* name: identify kind of target */
896   TARGET_LITTLE_NAME,
897
898   /* flavour: general indication about file */
899   bfd_target_elf_flavour,
900
901   /* byteorder: data is little endian */
902   BFD_ENDIAN_LITTLE,
903
904   /* header_byteorder: header is also little endian */
905   BFD_ENDIAN_LITTLE,
906
907   /* object_flags: mask of all file flags */
908   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
909    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
910
911   /* section_flags: mask of all section flags */
912   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
913    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
914    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
915
916    /* leading_symbol_char: is the first char of a user symbol
917       predictable, and if so what is it */
918   elf_symbol_leading_char,
919
920   /* ar_pad_char: pad character for filenames within an archive header
921      FIXME:  this really has nothing to do with ELF, this is a characteristic
922      of the archiver and/or os and should be independently tunable */
923   '/',
924
925   /* ar_max_namelen: maximum number of characters in an archive header
926      FIXME:  this really has nothing to do with ELF, this is a characteristic
927      of the archiver and should be independently tunable.  The System V ABI,
928      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
929   15,
930
931   elf_match_priority,
932
933   /* Routines to byte-swap various sized integers from the data sections */
934   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
935     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
936     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
937
938   /* Routines to byte-swap various sized integers from the file headers */
939   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
940     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
941     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
942
943   /* bfd_check_format: check the format of a file being read */
944   { _bfd_dummy_target,          /* unknown format */
945     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
946     bfd_elfNN_archive_p,        /* an archive */
947     bfd_elfNN_core_file_p       /* a core file */
948   },
949
950   /* bfd_set_format: set the format of a file being written */
951   { bfd_false,
952     bfd_elfNN_mkobject,
953     bfd_elfNN_mkarchive,
954     bfd_elfNN_mkcorefile
955   },
956
957   /* bfd_write_contents: write cached information into a file being written */
958   { bfd_false,
959     bfd_elfNN_write_object_contents,
960     bfd_elfNN_write_archive_contents,
961     bfd_elfNN_write_corefile_contents,
962   },
963
964   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
965   BFD_JUMP_TABLE_COPY (bfd_elfNN),
966   BFD_JUMP_TABLE_CORE (bfd_elfNN),
967 #ifdef bfd_elfNN_archive_functions
968   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
969 #else
970   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
971 #endif
972   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
973   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
974   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
975   BFD_JUMP_TABLE_LINK (bfd_elfNN),
976   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
977
978   /* Alternative endian target.  */
979 #ifdef TARGET_BIG_SYM
980   & TARGET_BIG_SYM,
981 #else
982   NULL,
983 #endif
984
985   /* backend_data: */
986   &elfNN_bed
987 };
988 #endif