Import binutils-2.20
[dragonfly.git] / contrib / binutils-2.20 / 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 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 3 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,
20    MA 02110-1301, USA.  */
21
22
23 /* This structure contains everything that BFD knows about a target.
24    It includes things like its byte order, name, what routines to call
25    to do various operations, etc.  Every BFD points to a target structure
26    with its "xvec" member.
27
28    There are two such structures here:  one for big-endian machines and
29    one for little-endian machines.   */
30
31 #ifndef bfd_elfNN_close_and_cleanup
32 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
33 #endif
34 #ifndef bfd_elfNN_bfd_free_cached_info
35 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
36 #endif
37 #ifndef bfd_elfNN_get_section_contents
38 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
39 #endif
40
41 #define bfd_elfNN_canonicalize_dynamic_symtab \
42   _bfd_elf_canonicalize_dynamic_symtab
43 #ifndef bfd_elfNN_get_synthetic_symtab
44 #define bfd_elfNN_get_synthetic_symtab \
45   _bfd_elf_get_synthetic_symtab
46 #endif
47 #ifndef bfd_elfNN_canonicalize_reloc
48 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
49 #endif
50 #ifndef bfd_elfNN_find_nearest_line
51 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
52 #endif
53 #ifndef bfd_elfNN_find_inliner_info
54 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
55 #endif
56 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
57 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
58 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
59   _bfd_elf_get_dynamic_symtab_upper_bound
60 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
61 #ifndef bfd_elfNN_get_reloc_upper_bound
62 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
63 #endif
64 #ifndef bfd_elfNN_get_symbol_info
65 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
66 #endif
67 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
68 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
69 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
70 #ifndef bfd_elfNN_new_section_hook
71 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
72 #endif
73 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
74 #ifndef bfd_elfNN_set_section_contents
75 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
76 #endif
77 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
78 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
79 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
80
81 #define bfd_elfNN_get_section_contents_in_window \
82   _bfd_generic_get_section_contents_in_window
83
84 #ifndef elf_backend_can_refcount
85 #define elf_backend_can_refcount 0
86 #endif
87 #ifndef elf_backend_want_got_plt
88 #define elf_backend_want_got_plt 0
89 #endif
90 #ifndef elf_backend_plt_readonly
91 #define elf_backend_plt_readonly 0
92 #endif
93 #ifndef elf_backend_want_plt_sym
94 #define elf_backend_want_plt_sym 0
95 #endif
96 #ifndef elf_backend_plt_not_loaded
97 #define elf_backend_plt_not_loaded 0
98 #endif
99 #ifndef elf_backend_plt_alignment
100 #define elf_backend_plt_alignment 2
101 #endif
102 #ifndef elf_backend_want_dynbss
103 #define elf_backend_want_dynbss 1
104 #endif
105 #ifndef elf_backend_want_p_paddr_set_to_zero
106 #define elf_backend_want_p_paddr_set_to_zero 0
107 #endif
108 #ifndef elf_backend_default_execstack
109 #define elf_backend_default_execstack 1
110 #endif
111
112 #define bfd_elfNN_bfd_debug_info_start  bfd_void
113 #define bfd_elfNN_bfd_debug_info_end    bfd_void
114 #define bfd_elfNN_bfd_debug_info_accumulate \
115   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
116
117 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
118 #define bfd_elfNN_bfd_get_relocated_section_contents \
119   bfd_generic_get_relocated_section_contents
120 #endif
121
122 #ifndef bfd_elfNN_bfd_relax_section
123 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
124 #endif
125
126 #ifndef elf_backend_can_gc_sections
127 #define elf_backend_can_gc_sections 0
128 #endif
129 #ifndef elf_backend_can_refcount
130 #define elf_backend_can_refcount 0
131 #endif
132 #ifndef elf_backend_want_got_sym
133 #define elf_backend_want_got_sym 1
134 #endif
135 #ifndef elf_backend_gc_keep
136 #define elf_backend_gc_keep             _bfd_elf_gc_keep
137 #endif
138 #ifndef elf_backend_gc_mark_dynamic_ref
139 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
140 #endif
141 #ifndef elf_backend_gc_mark_hook
142 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
143 #endif
144 #ifndef elf_backend_gc_mark_extra_sections
145 #define elf_backend_gc_mark_extra_sections      NULL
146 #endif
147 #ifndef elf_backend_gc_sweep_hook
148 #define elf_backend_gc_sweep_hook       NULL
149 #endif
150 #ifndef bfd_elfNN_bfd_gc_sections
151 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
152 #endif
153
154 #ifndef bfd_elfNN_bfd_merge_sections
155 #define bfd_elfNN_bfd_merge_sections \
156   _bfd_elf_merge_sections
157 #endif
158
159 #ifndef bfd_elfNN_bfd_is_group_section
160 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
161 #endif
162
163 #ifndef bfd_elfNN_bfd_discard_group
164 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
165 #endif
166
167 #ifndef bfd_elfNN_section_already_linked
168 #define bfd_elfNN_section_already_linked \
169   _bfd_elf_section_already_linked
170 #endif
171
172 #ifndef bfd_elfNN_bfd_define_common_symbol
173 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
174 #endif
175
176 #ifndef bfd_elfNN_bfd_make_debug_symbol
177 #define bfd_elfNN_bfd_make_debug_symbol \
178   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
179 #endif
180
181 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
182 #define bfd_elfNN_bfd_copy_private_symbol_data \
183   _bfd_elf_copy_private_symbol_data
184 #endif
185
186 #ifndef bfd_elfNN_bfd_copy_private_section_data
187 #define bfd_elfNN_bfd_copy_private_section_data \
188   _bfd_elf_copy_private_section_data
189 #endif
190 #ifndef bfd_elfNN_bfd_copy_private_header_data
191 #define bfd_elfNN_bfd_copy_private_header_data \
192   _bfd_elf_copy_private_header_data
193 #endif
194 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
195 #define bfd_elfNN_bfd_copy_private_bfd_data \
196   _bfd_elf_copy_private_bfd_data
197 #endif
198 #ifndef bfd_elfNN_bfd_print_private_bfd_data
199 #define bfd_elfNN_bfd_print_private_bfd_data \
200   _bfd_elf_print_private_bfd_data
201 #endif
202 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
203 #define bfd_elfNN_bfd_merge_private_bfd_data \
204   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
205 #endif
206 #ifndef bfd_elfNN_bfd_set_private_flags
207 #define bfd_elfNN_bfd_set_private_flags \
208   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
209 #endif
210 #ifndef bfd_elfNN_bfd_is_local_label_name
211 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
212 #endif
213 #ifndef bfd_elfNN_bfd_is_target_special_symbol
214 #define bfd_elfNN_bfd_is_target_special_symbol \
215   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
216 #endif
217
218 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
219 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
220   _bfd_elf_get_dynamic_reloc_upper_bound
221 #endif
222 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
223 #define bfd_elfNN_canonicalize_dynamic_reloc \
224   _bfd_elf_canonicalize_dynamic_reloc
225 #endif
226
227 #ifndef bfd_elfNN_bfd_link_hash_table_free
228 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
229 #endif
230
231 #ifdef elf_backend_relocate_section
232 #ifndef bfd_elfNN_bfd_link_hash_table_create
233 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
234 #endif
235 #ifndef bfd_elfNN_bfd_link_add_symbols
236 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
237 #endif
238 #ifndef bfd_elfNN_bfd_final_link
239 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
240 #endif
241 #else /* ! defined (elf_backend_relocate_section) */
242 /* If no backend relocate_section routine, use the generic linker.
243    Note - this will prevent the port from being able to use some of
244    the other features of the ELF linker, because the generic hash structure
245    does not have the fields needed by the ELF linker.  In particular it
246    means that linking directly to S-records will not work.  */
247 #ifndef bfd_elfNN_bfd_link_hash_table_create
248 #define bfd_elfNN_bfd_link_hash_table_create \
249   _bfd_generic_link_hash_table_create
250 #endif
251 #ifndef bfd_elfNN_bfd_link_add_symbols
252 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
253 #endif
254 #ifndef bfd_elfNN_bfd_final_link
255 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
256 #endif
257 #endif /* ! defined (elf_backend_relocate_section) */
258
259 #ifndef bfd_elfNN_bfd_link_just_syms
260 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
261 #endif
262
263 #ifndef bfd_elfNN_bfd_link_split_section
264 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
265 #endif
266
267 #ifndef bfd_elfNN_archive_p
268 #define bfd_elfNN_archive_p bfd_generic_archive_p
269 #endif
270
271 #ifndef bfd_elfNN_write_archive_contents
272 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
273 #endif
274
275 #ifndef bfd_elfNN_mkobject
276 #define bfd_elfNN_mkobject bfd_elf_make_generic_object
277 #endif
278
279 #ifndef bfd_elfNN_mkcorefile
280 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
281 #endif
282
283 #ifndef bfd_elfNN_mkarchive
284 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
285 #endif
286
287 #ifndef bfd_elfNN_print_symbol
288 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
289 #endif
290
291 #ifndef elf_symbol_leading_char
292 #define elf_symbol_leading_char 0
293 #endif
294
295 #ifndef elf_info_to_howto
296 #define elf_info_to_howto 0
297 #endif
298
299 #ifndef elf_info_to_howto_rel
300 #define elf_info_to_howto_rel 0
301 #endif
302
303 #ifndef ELF_OSABI
304 #define ELF_OSABI ELFOSABI_NONE
305 #endif
306
307 #ifndef ELF_MAXPAGESIZE
308 # error ELF_MAXPAGESIZE is not defined
309 #define ELF_MAXPAGESIZE 1
310 #endif
311
312 #ifndef ELF_COMMONPAGESIZE
313 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
314 #endif
315
316 #ifndef ELF_MINPAGESIZE
317 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
318 #endif
319
320 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
321 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
322 #endif
323 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
324 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
325 #endif
326
327 #ifndef ELF_DYNAMIC_SEC_FLAGS
328 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
329 #define ELF_DYNAMIC_SEC_FLAGS                   \
330   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
331    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
332 #endif
333
334 #ifndef elf_backend_collect
335 #define elf_backend_collect FALSE
336 #endif
337 #ifndef elf_backend_type_change_ok
338 #define elf_backend_type_change_ok FALSE
339 #endif
340
341 #ifndef elf_backend_sym_is_global
342 #define elf_backend_sym_is_global       0
343 #endif
344 #ifndef elf_backend_object_p
345 #define elf_backend_object_p            0
346 #endif
347 #ifndef elf_backend_symbol_processing
348 #define elf_backend_symbol_processing   0
349 #endif
350 #ifndef elf_backend_symbol_table_processing
351 #define elf_backend_symbol_table_processing     0
352 #endif
353 #ifndef elf_backend_get_symbol_type
354 #define elf_backend_get_symbol_type 0
355 #endif
356 #ifndef elf_backend_archive_symbol_lookup
357 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
358 #endif
359 #ifndef elf_backend_name_local_section_symbols
360 #define elf_backend_name_local_section_symbols  0
361 #endif
362 #ifndef elf_backend_section_processing
363 #define elf_backend_section_processing  0
364 #endif
365 #ifndef elf_backend_section_from_shdr
366 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
367 #endif
368 #ifndef elf_backend_section_flags
369 #define elf_backend_section_flags       0
370 #endif
371 #ifndef elf_backend_get_sec_type_attr
372 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
373 #endif
374 #ifndef elf_backend_section_from_phdr
375 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
376 #endif
377 #ifndef elf_backend_fake_sections
378 #define elf_backend_fake_sections       0
379 #endif
380 #ifndef elf_backend_section_from_bfd_section
381 #define elf_backend_section_from_bfd_section    0
382 #endif
383 #ifndef elf_backend_add_symbol_hook
384 #define elf_backend_add_symbol_hook     0
385 #endif
386 #ifndef elf_backend_link_output_symbol_hook
387 #define elf_backend_link_output_symbol_hook 0
388 #endif
389 #ifndef elf_backend_create_dynamic_sections
390 #define elf_backend_create_dynamic_sections 0
391 #endif
392 #ifndef elf_backend_omit_section_dynsym
393 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
394 #endif
395 #ifndef elf_backend_relocs_compatible
396 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
397 #endif
398 #ifndef elf_backend_check_relocs
399 #define elf_backend_check_relocs        0
400 #endif
401 #ifndef elf_backend_check_directives
402 #define elf_backend_check_directives    0
403 #endif
404 #ifndef elf_backend_as_needed_cleanup
405 #define elf_backend_as_needed_cleanup   0
406 #endif
407 #ifndef elf_backend_adjust_dynamic_symbol
408 #define elf_backend_adjust_dynamic_symbol 0
409 #endif
410 #ifndef elf_backend_always_size_sections
411 #define elf_backend_always_size_sections 0
412 #endif
413 #ifndef elf_backend_size_dynamic_sections
414 #define elf_backend_size_dynamic_sections 0
415 #endif
416 #ifndef elf_backend_init_index_section
417 #define elf_backend_init_index_section \
418  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
419 #endif
420 #ifndef elf_backend_relocate_section
421 #define elf_backend_relocate_section    0
422 #endif
423 #ifndef elf_backend_finish_dynamic_symbol
424 #define elf_backend_finish_dynamic_symbol       0
425 #endif
426 #ifndef elf_backend_finish_dynamic_sections
427 #define elf_backend_finish_dynamic_sections     0
428 #endif
429 #ifndef elf_backend_begin_write_processing
430 #define elf_backend_begin_write_processing      0
431 #endif
432 #ifndef elf_backend_final_write_processing
433 #define elf_backend_final_write_processing      0
434 #endif
435 #ifndef elf_backend_additional_program_headers
436 #define elf_backend_additional_program_headers  0
437 #endif
438 #ifndef elf_backend_modify_segment_map
439 #define elf_backend_modify_segment_map  0
440 #endif
441 #ifndef elf_backend_modify_program_headers
442 #define elf_backend_modify_program_headers      0
443 #endif
444 #ifndef elf_backend_ecoff_debug_swap
445 #define elf_backend_ecoff_debug_swap    0
446 #endif
447 #ifndef elf_backend_bfd_from_remote_memory
448 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
449 #endif
450 #ifndef elf_backend_got_header_size
451 #define elf_backend_got_header_size     0
452 #endif
453 #ifndef elf_backend_got_elt_size
454 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
455 #endif
456 #ifndef elf_backend_obj_attrs_vendor
457 #define elf_backend_obj_attrs_vendor            NULL
458 #endif
459 #ifndef elf_backend_obj_attrs_section
460 #define elf_backend_obj_attrs_section           NULL
461 #endif
462 #ifndef elf_backend_obj_attrs_arg_type
463 #define elf_backend_obj_attrs_arg_type          NULL
464 #endif
465 #ifndef elf_backend_obj_attrs_section_type
466 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
467 #endif
468 #ifndef elf_backend_obj_attrs_order
469 #define elf_backend_obj_attrs_order             NULL
470 #endif
471 #ifndef elf_backend_post_process_headers
472 #define elf_backend_post_process_headers        NULL
473 #endif
474 #ifndef elf_backend_print_symbol_all
475 #define elf_backend_print_symbol_all            NULL
476 #endif
477 #ifndef elf_backend_output_arch_local_syms
478 #define elf_backend_output_arch_local_syms      NULL
479 #endif
480 #ifndef elf_backend_output_arch_syms
481 #define elf_backend_output_arch_syms            NULL
482 #endif
483 #ifndef elf_backend_copy_indirect_symbol
484 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
485 #endif
486 #ifndef elf_backend_hide_symbol
487 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
488 #endif
489 #ifndef elf_backend_fixup_symbol
490 #define elf_backend_fixup_symbol                NULL    
491 #endif
492 #ifndef elf_backend_merge_symbol_attribute
493 #define elf_backend_merge_symbol_attribute      NULL
494 #endif
495 #ifndef elf_backend_get_target_dtag
496 #define elf_backend_get_target_dtag             NULL
497 #endif
498 #ifndef elf_backend_ignore_undef_symbol
499 #define elf_backend_ignore_undef_symbol         NULL
500 #endif
501 #ifndef elf_backend_emit_relocs
502 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
503 #endif
504 #ifndef elf_backend_count_relocs
505 #define elf_backend_count_relocs                NULL
506 #endif
507 #ifndef elf_backend_grok_prstatus
508 #define elf_backend_grok_prstatus               NULL
509 #endif
510 #ifndef elf_backend_grok_psinfo
511 #define elf_backend_grok_psinfo                 NULL
512 #endif
513 #ifndef elf_backend_write_core_note
514 #define elf_backend_write_core_note             NULL
515 #endif
516 #ifndef elf_backend_reloc_type_class
517 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
518 #endif
519 #ifndef elf_backend_discard_info
520 #define elf_backend_discard_info                NULL
521 #endif
522 #ifndef elf_backend_ignore_discarded_relocs
523 #define elf_backend_ignore_discarded_relocs     NULL
524 #endif
525 #ifndef elf_backend_action_discarded
526 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
527 #endif
528 #ifndef elf_backend_eh_frame_address_size
529 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
530 #endif
531 #ifndef elf_backend_can_make_relative_eh_frame
532 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
533 #endif
534 #ifndef elf_backend_can_make_lsda_relative_eh_frame
535 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
536 #endif
537 #ifndef elf_backend_encode_eh_address
538 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
539 #endif
540 #ifndef elf_backend_write_section
541 #define elf_backend_write_section               NULL
542 #endif
543 #ifndef elf_backend_mips_irix_compat
544 #define elf_backend_mips_irix_compat            NULL
545 #endif
546 #ifndef elf_backend_mips_rtype_to_howto
547 #define elf_backend_mips_rtype_to_howto         NULL
548 #endif
549
550 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
551    sections, but not both.  They defined USE_REL to indicate SHT_REL
552    sections, and left it undefined to indicated SHT_RELA sections.
553    For backwards compatibility, we still support this usage.  */
554 #ifndef USE_REL
555 #define USE_REL 0
556 #endif
557
558 /* Use these in new code.  */
559 #ifndef elf_backend_may_use_rel_p
560 #define elf_backend_may_use_rel_p USE_REL
561 #endif
562 #ifndef elf_backend_may_use_rela_p
563 #define elf_backend_may_use_rela_p !USE_REL
564 #endif
565 #ifndef elf_backend_default_use_rela_p
566 #define elf_backend_default_use_rela_p !USE_REL
567 #endif
568 #ifndef elf_backend_rela_plts_and_copies_p
569 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
570 #endif
571
572 #ifndef elf_backend_rela_normal
573 #define elf_backend_rela_normal 0
574 #endif
575
576 #ifndef elf_backend_plt_sym_val
577 #define elf_backend_plt_sym_val NULL
578 #endif
579 #ifndef elf_backend_relplt_name
580 #define elf_backend_relplt_name NULL
581 #endif
582
583 #ifndef ELF_MACHINE_ALT1
584 #define ELF_MACHINE_ALT1 0
585 #endif
586
587 #ifndef ELF_MACHINE_ALT2
588 #define ELF_MACHINE_ALT2 0
589 #endif
590
591 #ifndef elf_backend_size_info
592 #define elf_backend_size_info _bfd_elfNN_size_info
593 #endif
594
595 #ifndef elf_backend_special_sections
596 #define elf_backend_special_sections NULL
597 #endif
598
599 #ifndef elf_backend_sign_extend_vma
600 #define elf_backend_sign_extend_vma 0
601 #endif
602
603 #ifndef elf_backend_link_order_error_handler
604 #define elf_backend_link_order_error_handler _bfd_default_error_handler
605 #endif
606
607 #ifndef elf_backend_common_definition
608 #define elf_backend_common_definition _bfd_elf_common_definition
609 #endif
610
611 #ifndef elf_backend_common_section_index
612 #define elf_backend_common_section_index _bfd_elf_common_section_index
613 #endif
614
615 #ifndef elf_backend_common_section
616 #define elf_backend_common_section _bfd_elf_common_section
617 #endif
618
619 #ifndef elf_backend_merge_symbol
620 #define elf_backend_merge_symbol NULL
621 #endif
622
623 #ifndef elf_backend_hash_symbol
624 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
625 #endif
626
627 #ifndef elf_backend_is_function_type
628 #define elf_backend_is_function_type _bfd_elf_is_function_type
629 #endif
630
631 extern const struct elf_size_info _bfd_elfNN_size_info;
632
633 static struct elf_backend_data elfNN_bed =
634 {
635   ELF_ARCH,                     /* arch */
636   ELF_MACHINE_CODE,             /* elf_machine_code */
637   ELF_OSABI,                    /* elf_osabi  */
638   ELF_MAXPAGESIZE,              /* maxpagesize */
639   ELF_MINPAGESIZE,              /* minpagesize */
640   ELF_COMMONPAGESIZE,           /* commonpagesize */
641   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
642   elf_info_to_howto,
643   elf_info_to_howto_rel,
644   elf_backend_sym_is_global,
645   elf_backend_object_p,
646   elf_backend_symbol_processing,
647   elf_backend_symbol_table_processing,
648   elf_backend_get_symbol_type,
649   elf_backend_archive_symbol_lookup,
650   elf_backend_name_local_section_symbols,
651   elf_backend_section_processing,
652   elf_backend_section_from_shdr,
653   elf_backend_section_flags,
654   elf_backend_get_sec_type_attr,
655   elf_backend_section_from_phdr,
656   elf_backend_fake_sections,
657   elf_backend_section_from_bfd_section,
658   elf_backend_add_symbol_hook,
659   elf_backend_link_output_symbol_hook,
660   elf_backend_create_dynamic_sections,
661   elf_backend_omit_section_dynsym,
662   elf_backend_relocs_compatible,
663   elf_backend_check_relocs,
664   elf_backend_check_directives,
665   elf_backend_as_needed_cleanup,
666   elf_backend_adjust_dynamic_symbol,
667   elf_backend_always_size_sections,
668   elf_backend_size_dynamic_sections,
669   elf_backend_init_index_section,
670   elf_backend_relocate_section,
671   elf_backend_finish_dynamic_symbol,
672   elf_backend_finish_dynamic_sections,
673   elf_backend_begin_write_processing,
674   elf_backend_final_write_processing,
675   elf_backend_additional_program_headers,
676   elf_backend_modify_segment_map,
677   elf_backend_modify_program_headers,
678   elf_backend_gc_keep,
679   elf_backend_gc_mark_dynamic_ref,
680   elf_backend_gc_mark_hook,
681   elf_backend_gc_mark_extra_sections,
682   elf_backend_gc_sweep_hook,
683   elf_backend_post_process_headers,
684   elf_backend_print_symbol_all,
685   elf_backend_output_arch_local_syms,
686   elf_backend_output_arch_syms,
687   elf_backend_copy_indirect_symbol,
688   elf_backend_hide_symbol,
689   elf_backend_fixup_symbol,
690   elf_backend_merge_symbol_attribute,
691   elf_backend_get_target_dtag,
692   elf_backend_ignore_undef_symbol,
693   elf_backend_emit_relocs,
694   elf_backend_count_relocs,
695   elf_backend_grok_prstatus,
696   elf_backend_grok_psinfo,
697   elf_backend_write_core_note,
698   elf_backend_reloc_type_class,
699   elf_backend_discard_info,
700   elf_backend_ignore_discarded_relocs,
701   elf_backend_action_discarded,
702   elf_backend_eh_frame_address_size,
703   elf_backend_can_make_relative_eh_frame,
704   elf_backend_can_make_lsda_relative_eh_frame,
705   elf_backend_encode_eh_address,
706   elf_backend_write_section,
707   elf_backend_mips_irix_compat,
708   elf_backend_mips_rtype_to_howto,
709   elf_backend_ecoff_debug_swap,
710   elf_backend_bfd_from_remote_memory,
711   elf_backend_plt_sym_val,
712   elf_backend_common_definition,
713   elf_backend_common_section_index,
714   elf_backend_common_section,
715   elf_backend_merge_symbol,
716   elf_backend_hash_symbol,
717   elf_backend_is_function_type,
718   elf_backend_link_order_error_handler,
719   elf_backend_relplt_name,
720   ELF_MACHINE_ALT1,
721   ELF_MACHINE_ALT2,
722   &elf_backend_size_info,
723   elf_backend_special_sections,
724   elf_backend_got_header_size,
725   elf_backend_got_elt_size,
726   elf_backend_obj_attrs_vendor,
727   elf_backend_obj_attrs_section,
728   elf_backend_obj_attrs_arg_type,
729   elf_backend_obj_attrs_section_type,
730   elf_backend_obj_attrs_order,
731   elf_backend_collect,
732   elf_backend_type_change_ok,
733   elf_backend_may_use_rel_p,
734   elf_backend_may_use_rela_p,
735   elf_backend_default_use_rela_p,
736   elf_backend_rela_plts_and_copies_p,
737   elf_backend_rela_normal,
738   elf_backend_sign_extend_vma,
739   elf_backend_want_got_plt,
740   elf_backend_plt_readonly,
741   elf_backend_want_plt_sym,
742   elf_backend_plt_not_loaded,
743   elf_backend_plt_alignment,
744   elf_backend_can_gc_sections,
745   elf_backend_can_refcount,
746   elf_backend_want_got_sym,
747   elf_backend_want_dynbss,
748   elf_backend_want_p_paddr_set_to_zero,
749   elf_backend_default_execstack
750 };
751
752 /* Forward declaration for use when initialising alternative_target field.  */
753 #ifdef TARGET_LITTLE_SYM
754 extern const bfd_target TARGET_LITTLE_SYM;
755 #endif
756
757 #ifdef TARGET_BIG_SYM
758 const bfd_target TARGET_BIG_SYM =
759 {
760   /* name: identify kind of target */
761   TARGET_BIG_NAME,
762
763   /* flavour: general indication about file */
764   bfd_target_elf_flavour,
765
766   /* byteorder: data is big endian */
767   BFD_ENDIAN_BIG,
768
769   /* header_byteorder: header is also big endian */
770   BFD_ENDIAN_BIG,
771
772   /* object_flags: mask of all file flags */
773   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
774    | DYNAMIC | WP_TEXT | D_PAGED),
775
776   /* section_flags: mask of all section flags */
777   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
778    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
779    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
780
781    /* leading_symbol_char: is the first char of a user symbol
782       predictable, and if so what is it */
783   elf_symbol_leading_char,
784
785   /* ar_pad_char: pad character for filenames within an archive header
786      FIXME:  this really has nothing to do with ELF, this is a characteristic
787      of the archiver and/or os and should be independently tunable */
788   '/',
789
790   /* ar_max_namelen: maximum number of characters in an archive header
791      FIXME:  this really has nothing to do with ELF, this is a characteristic
792      of the archiver and should be independently tunable.  The System V ABI,
793      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
794   15,
795
796   /* Routines to byte-swap various sized integers from the data sections */
797   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
798     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
799     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
800
801   /* Routines to byte-swap various sized integers from the file headers */
802   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
803     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
804     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
805
806   /* bfd_check_format: check the format of a file being read */
807   { _bfd_dummy_target,          /* unknown format */
808     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
809     bfd_elfNN_archive_p,        /* an archive */
810     bfd_elfNN_core_file_p       /* a core file */
811   },
812
813   /* bfd_set_format: set the format of a file being written */
814   { bfd_false,
815     bfd_elfNN_mkobject,
816     bfd_elfNN_mkarchive,
817     bfd_elfNN_mkcorefile
818   },
819
820   /* bfd_write_contents: write cached information into a file being written */
821   { bfd_false,
822     bfd_elfNN_write_object_contents,
823     bfd_elfNN_write_archive_contents,
824     bfd_elfNN_write_corefile_contents,
825   },
826
827   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
828   BFD_JUMP_TABLE_COPY (bfd_elfNN),
829   BFD_JUMP_TABLE_CORE (bfd_elfNN),
830 #ifdef bfd_elfNN_archive_functions
831   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
832 #else
833   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
834 #endif
835   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
836   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
837   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
838   BFD_JUMP_TABLE_LINK (bfd_elfNN),
839   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
840
841   /* Alternative endian target.  */
842 #ifdef TARGET_LITTLE_SYM
843   & TARGET_LITTLE_SYM,
844 #else
845   NULL,
846 #endif
847
848   /* backend_data: */
849   &elfNN_bed
850 };
851 #endif
852
853 #ifdef TARGET_LITTLE_SYM
854 const bfd_target TARGET_LITTLE_SYM =
855 {
856   /* name: identify kind of target */
857   TARGET_LITTLE_NAME,
858
859   /* flavour: general indication about file */
860   bfd_target_elf_flavour,
861
862   /* byteorder: data is little endian */
863   BFD_ENDIAN_LITTLE,
864
865   /* header_byteorder: header is also little endian */
866   BFD_ENDIAN_LITTLE,
867
868   /* object_flags: mask of all file flags */
869   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
870    | DYNAMIC | WP_TEXT | D_PAGED),
871
872   /* section_flags: mask of all section flags */
873   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
874    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
875    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
876
877    /* leading_symbol_char: is the first char of a user symbol
878       predictable, and if so what is it */
879   elf_symbol_leading_char,
880
881   /* ar_pad_char: pad character for filenames within an archive header
882      FIXME:  this really has nothing to do with ELF, this is a characteristic
883      of the archiver and/or os and should be independently tunable */
884   '/',
885
886   /* ar_max_namelen: maximum number of characters in an archive header
887      FIXME:  this really has nothing to do with ELF, this is a characteristic
888      of the archiver and should be independently tunable.  The System V ABI,
889      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
890   15,
891
892   /* Routines to byte-swap various sized integers from the data sections */
893   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
894     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
895     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
896
897   /* Routines to byte-swap various sized integers from the file headers */
898   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
899     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
900     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
901
902   /* bfd_check_format: check the format of a file being read */
903   { _bfd_dummy_target,          /* unknown format */
904     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
905     bfd_elfNN_archive_p,        /* an archive */
906     bfd_elfNN_core_file_p       /* a core file */
907   },
908
909   /* bfd_set_format: set the format of a file being written */
910   { bfd_false,
911     bfd_elfNN_mkobject,
912     bfd_elfNN_mkarchive,
913     bfd_elfNN_mkcorefile
914   },
915
916   /* bfd_write_contents: write cached information into a file being written */
917   { bfd_false,
918     bfd_elfNN_write_object_contents,
919     bfd_elfNN_write_archive_contents,
920     bfd_elfNN_write_corefile_contents,
921   },
922
923   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
924   BFD_JUMP_TABLE_COPY (bfd_elfNN),
925   BFD_JUMP_TABLE_CORE (bfd_elfNN),
926 #ifdef bfd_elfNN_archive_functions
927   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
928 #else
929   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
930 #endif
931   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
932   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
933   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
934   BFD_JUMP_TABLE_LINK (bfd_elfNN),
935   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
936
937   /* Alternative endian target.  */
938 #ifdef TARGET_BIG_SYM
939   & TARGET_BIG_SYM,
940 #else
941   NULL,
942 #endif
943
944   /* backend_data: */
945   &elfNN_bed
946 };
947 #endif