2005-07-25 H.J. Lu <hongjiu.lu@intel.com>
[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 Free Software Foundation, Inc.
4
5    This file is part of BFD, the Binary File Descriptor library.
6
7    This program is free software; you can redistribute it and/or modify
8    it under the terms of the GNU General Public License as published by
9    the Free Software Foundation; either version 2 of the License, or
10    (at your option) any later version.
11
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16
17    You should have received a copy of the GNU General Public License
18    along with this program; if not, write to the Free Software
19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20
21 /* This structure contains everything that BFD knows about a target.
22    It includes things like its byte order, name, what routines to call
23    to do various operations, etc.  Every BFD points to a target structure
24    with its "xvec" member.
25
26    There are two such structures here:  one for big-endian machines and
27    one for little-endian machines.   */
28
29 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
30 #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
31 #ifndef bfd_elfNN_get_section_contents
32 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
33 #endif
34
35 #define bfd_elfNN_canonicalize_dynamic_symtab \
36   _bfd_elf_canonicalize_dynamic_symtab
37 #ifndef bfd_elfNN_get_synthetic_symtab
38 #define bfd_elfNN_get_synthetic_symtab \
39   _bfd_elf_get_synthetic_symtab
40 #endif
41 #ifndef bfd_elfNN_canonicalize_reloc
42 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
43 #endif
44 #ifndef bfd_elfNN_find_nearest_line
45 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
46 #endif
47 #ifndef bfd_elfNN_find_inliner_info
48 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
49 #endif
50 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
51 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
52 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
53   _bfd_elf_get_dynamic_symtab_upper_bound
54 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
55 #ifndef bfd_elfNN_get_reloc_upper_bound
56 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
57 #endif
58 #ifndef bfd_elfNN_get_symbol_info
59 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
60 #endif
61 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
62 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
63 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
64 #ifndef bfd_elfNN_new_section_hook
65 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
66 #endif
67 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
68 #ifndef bfd_elfNN_set_section_contents
69 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
70 #endif
71 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
72 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
73 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
74
75 #define bfd_elfNN_get_section_contents_in_window \
76   _bfd_generic_get_section_contents_in_window
77
78 #ifndef elf_backend_can_refcount
79 #define elf_backend_can_refcount 0
80 #endif
81 #ifndef elf_backend_want_got_plt
82 #define elf_backend_want_got_plt 0
83 #endif
84 #ifndef elf_backend_plt_readonly
85 #define elf_backend_plt_readonly 0
86 #endif
87 #ifndef elf_backend_want_plt_sym
88 #define elf_backend_want_plt_sym 0
89 #endif
90 #ifndef elf_backend_plt_not_loaded
91 #define elf_backend_plt_not_loaded 0
92 #endif
93 #ifndef elf_backend_plt_alignment
94 #define elf_backend_plt_alignment 2
95 #endif
96 #ifndef elf_backend_want_dynbss
97 #define elf_backend_want_dynbss 1
98 #endif
99 #ifndef elf_backend_want_p_paddr_set_to_zero
100 #define elf_backend_want_p_paddr_set_to_zero 0
101 #endif
102
103 #define bfd_elfNN_bfd_debug_info_start  bfd_void
104 #define bfd_elfNN_bfd_debug_info_end    bfd_void
105 #define bfd_elfNN_bfd_debug_info_accumulate \
106   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
107
108 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
109 #define bfd_elfNN_bfd_get_relocated_section_contents \
110   bfd_generic_get_relocated_section_contents
111 #endif
112
113 #ifndef bfd_elfNN_bfd_relax_section
114 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
115 #endif
116
117 #ifndef elf_backend_can_gc_sections
118 #define elf_backend_can_gc_sections 0
119 #endif
120 #ifndef elf_backend_can_refcount
121 #define elf_backend_can_refcount 0
122 #endif
123 #ifndef elf_backend_want_got_sym
124 #define elf_backend_want_got_sym 1
125 #endif
126 #ifndef elf_backend_gc_mark_hook
127 #define elf_backend_gc_mark_hook        NULL
128 #endif
129 #ifndef elf_backend_gc_sweep_hook
130 #define elf_backend_gc_sweep_hook       NULL
131 #endif
132 #ifndef bfd_elfNN_bfd_gc_sections
133 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
134 #endif
135
136 #ifndef bfd_elfNN_bfd_merge_sections
137 #define bfd_elfNN_bfd_merge_sections \
138   _bfd_elf_merge_sections
139 #endif
140
141 #ifndef bfd_elfNN_bfd_is_group_section
142 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
143 #endif
144
145 #ifndef bfd_elfNN_bfd_discard_group
146 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
147 #endif
148
149 #ifndef bfd_elfNN_section_already_linked
150 #define bfd_elfNN_section_already_linked \
151   _bfd_elf_section_already_linked
152 #endif
153
154 #ifndef bfd_elfNN_bfd_make_debug_symbol
155 #define bfd_elfNN_bfd_make_debug_symbol \
156   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
157 #endif
158
159 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
160 #define bfd_elfNN_bfd_copy_private_symbol_data \
161   _bfd_elf_copy_private_symbol_data
162 #endif
163
164 #ifndef bfd_elfNN_bfd_copy_private_section_data
165 #define bfd_elfNN_bfd_copy_private_section_data \
166   _bfd_elf_copy_private_section_data
167 #endif
168 #ifndef bfd_elfNN_bfd_copy_private_header_data
169 #define bfd_elfNN_bfd_copy_private_header_data \
170   _bfd_elf_copy_private_header_data
171 #endif
172 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
173 #define bfd_elfNN_bfd_copy_private_bfd_data \
174   _bfd_elf_copy_private_bfd_data
175 #endif
176 #ifndef bfd_elfNN_bfd_print_private_bfd_data
177 #define bfd_elfNN_bfd_print_private_bfd_data \
178   _bfd_elf_print_private_bfd_data
179 #endif
180 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
181 #define bfd_elfNN_bfd_merge_private_bfd_data \
182   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
183 #endif
184 #ifndef bfd_elfNN_bfd_set_private_flags
185 #define bfd_elfNN_bfd_set_private_flags \
186   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
187 #endif
188 #ifndef bfd_elfNN_bfd_is_local_label_name
189 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
190 #endif
191 #ifndef bfd_elfNN_bfd_is_target_special_symbol
192 #define bfd_elfNN_bfd_is_target_special_symbol \
193   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
194 #endif
195
196 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
197 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
198   _bfd_elf_get_dynamic_reloc_upper_bound
199 #endif
200 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
201 #define bfd_elfNN_canonicalize_dynamic_reloc \
202   _bfd_elf_canonicalize_dynamic_reloc
203 #endif
204
205 #ifndef bfd_elfNN_bfd_link_hash_table_free
206 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
207 #endif
208
209 #ifdef elf_backend_relocate_section
210 #ifndef bfd_elfNN_bfd_link_hash_table_create
211 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
212 #endif
213 #ifndef bfd_elfNN_bfd_link_add_symbols
214 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
215 #endif
216 #ifndef bfd_elfNN_bfd_final_link
217 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
218 #endif
219 #else /* ! defined (elf_backend_relocate_section) */
220 /* If no backend relocate_section routine, use the generic linker.
221    Note - this will prevent the port from being able to use some of
222    the other features of the ELF linker, because the generic hash structure
223    does not have the fields needed by the ELF linker.  In particular it
224    means that linking directly to S-records will not work.  */
225 #ifndef bfd_elfNN_bfd_link_hash_table_create
226 #define bfd_elfNN_bfd_link_hash_table_create \
227   _bfd_generic_link_hash_table_create
228 #endif
229 #ifndef bfd_elfNN_bfd_link_add_symbols
230 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
231 #endif
232 #ifndef bfd_elfNN_bfd_final_link
233 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
234 #endif
235 #endif /* ! defined (elf_backend_relocate_section) */
236
237 #ifndef bfd_elfNN_bfd_link_just_syms
238 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
239 #endif
240
241 #ifndef bfd_elfNN_bfd_link_split_section
242 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
243 #endif
244
245 #ifndef bfd_elfNN_archive_p
246 #define bfd_elfNN_archive_p bfd_generic_archive_p
247 #endif
248
249 #ifndef bfd_elfNN_write_archive_contents
250 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
251 #endif
252
253 #ifndef bfd_elfNN_mkobject
254 #define bfd_elfNN_mkobject bfd_elf_mkobject
255 #endif
256
257 #ifndef bfd_elfNN_mkcorefile
258 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
259 #endif
260
261 #ifndef bfd_elfNN_mkarchive
262 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
263 #endif
264
265 #ifndef bfd_elfNN_print_symbol
266 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
267 #endif
268
269 #ifndef elf_symbol_leading_char
270 #define elf_symbol_leading_char 0
271 #endif
272
273 #ifndef elf_info_to_howto
274 #define elf_info_to_howto 0
275 #endif
276
277 #ifndef elf_info_to_howto_rel
278 #define elf_info_to_howto_rel 0
279 #endif
280
281 #ifndef ELF_MAXPAGESIZE
282   #error ELF_MAXPAGESIZE is not defined
283 #define ELF_MAXPAGESIZE 1
284 #endif
285
286 #ifndef ELF_MINPAGESIZE
287 #define ELF_MINPAGESIZE ELF_MAXPAGESIZE
288 #endif
289
290 #ifndef ELF_DYNAMIC_SEC_FLAGS
291 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
292 #define ELF_DYNAMIC_SEC_FLAGS                   \
293   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
294    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
295 #endif
296
297 #ifndef elf_backend_collect
298 #define elf_backend_collect FALSE
299 #endif
300 #ifndef elf_backend_type_change_ok
301 #define elf_backend_type_change_ok FALSE
302 #endif
303
304 #ifndef elf_backend_sym_is_global
305 #define elf_backend_sym_is_global       0
306 #endif
307 #ifndef elf_backend_object_p
308 #define elf_backend_object_p            0
309 #endif
310 #ifndef elf_backend_symbol_processing
311 #define elf_backend_symbol_processing   0
312 #endif
313 #ifndef elf_backend_symbol_table_processing
314 #define elf_backend_symbol_table_processing     0
315 #endif
316 #ifndef elf_backend_get_symbol_type
317 #define elf_backend_get_symbol_type 0
318 #endif
319 #ifndef elf_backend_archive_symbol_lookup
320 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
321 #endif
322 #ifndef elf_backend_name_local_section_symbols
323 #define elf_backend_name_local_section_symbols  0
324 #endif
325 #ifndef elf_backend_section_processing
326 #define elf_backend_section_processing  0
327 #endif
328 #ifndef elf_backend_section_from_shdr
329 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
330 #endif
331 #ifndef elf_backend_section_flags
332 #define elf_backend_section_flags       0
333 #endif
334 #ifndef elf_backend_get_sec_type_attr
335 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
336 #endif
337 #ifndef elf_backend_section_from_phdr
338 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
339 #endif
340 #ifndef elf_backend_fake_sections
341 #define elf_backend_fake_sections       0
342 #endif
343 #ifndef elf_backend_section_from_bfd_section
344 #define elf_backend_section_from_bfd_section    0
345 #endif
346 #ifndef elf_backend_add_symbol_hook
347 #define elf_backend_add_symbol_hook     0
348 #endif
349 #ifndef elf_backend_link_output_symbol_hook
350 #define elf_backend_link_output_symbol_hook 0
351 #endif
352 #ifndef elf_backend_create_dynamic_sections
353 #define elf_backend_create_dynamic_sections 0
354 #endif
355 #ifndef elf_backend_omit_section_dynsym
356 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
357 #endif
358 #ifndef elf_backend_check_relocs
359 #define elf_backend_check_relocs        0
360 #endif
361 #ifndef elf_backend_check_directives
362 #define elf_backend_check_directives    0
363 #endif
364 #ifndef elf_backend_adjust_dynamic_symbol
365 #define elf_backend_adjust_dynamic_symbol 0
366 #endif
367 #ifndef elf_backend_always_size_sections
368 #define elf_backend_always_size_sections 0
369 #endif
370 #ifndef elf_backend_size_dynamic_sections
371 #define elf_backend_size_dynamic_sections 0
372 #endif
373 #ifndef elf_backend_relocate_section
374 #define elf_backend_relocate_section    0
375 #endif
376 #ifndef elf_backend_finish_dynamic_symbol
377 #define elf_backend_finish_dynamic_symbol       0
378 #endif
379 #ifndef elf_backend_finish_dynamic_sections
380 #define elf_backend_finish_dynamic_sections     0
381 #endif
382 #ifndef elf_backend_begin_write_processing
383 #define elf_backend_begin_write_processing      0
384 #endif
385 #ifndef elf_backend_final_write_processing
386 #define elf_backend_final_write_processing      0
387 #endif
388 #ifndef elf_backend_additional_program_headers
389 #define elf_backend_additional_program_headers  0
390 #endif
391 #ifndef elf_backend_modify_segment_map
392 #define elf_backend_modify_segment_map  0
393 #endif
394 #ifndef elf_backend_ecoff_debug_swap
395 #define elf_backend_ecoff_debug_swap    0
396 #endif
397 #ifndef elf_backend_bfd_from_remote_memory
398 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
399 #endif
400 #ifndef elf_backend_got_header_size
401 #define elf_backend_got_header_size     0
402 #endif
403 #ifndef elf_backend_post_process_headers
404 #define elf_backend_post_process_headers        NULL
405 #endif
406 #ifndef elf_backend_print_symbol_all
407 #define elf_backend_print_symbol_all            NULL
408 #endif
409 #ifndef elf_backend_output_arch_syms
410 #define elf_backend_output_arch_syms            NULL
411 #endif
412 #ifndef elf_backend_copy_indirect_symbol
413 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
414 #endif
415 #ifndef elf_backend_hide_symbol
416 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
417 #endif
418 #ifndef elf_backend_merge_symbol_attribute
419 #define elf_backend_merge_symbol_attribute      NULL
420 #endif
421 #ifndef elf_backend_emit_relocs
422 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
423 #endif
424 #ifndef elf_backend_count_relocs
425 #define elf_backend_count_relocs                NULL
426 #endif
427 #ifndef elf_backend_grok_prstatus
428 #define elf_backend_grok_prstatus               NULL
429 #endif
430 #ifndef elf_backend_grok_psinfo
431 #define elf_backend_grok_psinfo                 NULL
432 #endif
433 #ifndef elf_backend_sprintf_vma
434 #define elf_backend_sprintf_vma                 _bfd_elf_sprintf_vma
435 #endif
436 #ifndef elf_backend_fprintf_vma
437 #define elf_backend_fprintf_vma                 _bfd_elf_fprintf_vma
438 #endif
439 #ifndef elf_backend_reloc_type_class
440 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
441 #endif
442 #ifndef elf_backend_discard_info
443 #define elf_backend_discard_info                NULL
444 #endif
445 #ifndef elf_backend_ignore_discarded_relocs
446 #define elf_backend_ignore_discarded_relocs     NULL
447 #endif
448 #ifndef elf_backend_eh_frame_address_size
449 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
450 #endif
451 #ifndef elf_backend_can_make_relative_eh_frame
452 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
453 #endif
454 #ifndef elf_backend_can_make_lsda_relative_eh_frame
455 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
456 #endif
457 #ifndef elf_backend_encode_eh_address
458 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
459 #endif
460 #ifndef elf_backend_write_section
461 #define elf_backend_write_section               NULL
462 #endif
463 #ifndef elf_backend_mips_irix_compat
464 #define elf_backend_mips_irix_compat            NULL
465 #endif
466 #ifndef elf_backend_mips_rtype_to_howto
467 #define elf_backend_mips_rtype_to_howto         NULL
468 #endif
469
470 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
471    sections, but not both.  They defined USE_REL to indicate SHT_REL
472    sections, and left it undefined to indicated SHT_RELA sections.
473    For backwards compatibility, we still support this usage.  */
474 #ifndef USE_REL
475 #define USE_REL 0
476 #endif
477
478 /* Use these in new code.  */
479 #ifndef elf_backend_may_use_rel_p
480 #define elf_backend_may_use_rel_p USE_REL
481 #endif
482 #ifndef elf_backend_may_use_rela_p
483 #define elf_backend_may_use_rela_p !USE_REL
484 #endif
485 #ifndef elf_backend_default_use_rela_p
486 #define elf_backend_default_use_rela_p !USE_REL
487 #endif
488
489 #ifndef elf_backend_rela_normal
490 #define elf_backend_rela_normal 0
491 #endif
492
493 #ifndef elf_backend_plt_sym_val
494 #define elf_backend_plt_sym_val NULL
495 #endif
496 #ifndef elf_backend_relplt_name
497 #define elf_backend_relplt_name NULL
498 #endif
499
500 #ifndef ELF_MACHINE_ALT1
501 #define ELF_MACHINE_ALT1 0
502 #endif
503
504 #ifndef ELF_MACHINE_ALT2
505 #define ELF_MACHINE_ALT2 0
506 #endif
507
508 #ifndef elf_backend_size_info
509 #define elf_backend_size_info _bfd_elfNN_size_info
510 #endif
511
512 #ifndef elf_backend_special_sections
513 #define elf_backend_special_sections NULL
514 #endif
515
516 #ifndef elf_backend_sign_extend_vma
517 #define elf_backend_sign_extend_vma 0
518 #endif
519
520 #ifndef elf_backend_link_order_error_handler
521 #define elf_backend_link_order_error_handler _bfd_default_error_handler
522 #endif
523
524 #ifndef elf_backend_common_definition
525 #define elf_backend_common_definition _bfd_elf_common_definition
526 #endif
527
528 #ifndef elf_backend_common_section_index
529 #define elf_backend_common_section_index _bfd_elf_common_section_index
530 #endif
531
532 #ifndef elf_backend_common_section
533 #define elf_backend_common_section _bfd_elf_common_section
534 #endif
535
536 #ifndef elf_backend_merge_symbol
537 #define elf_backend_merge_symbol NULL
538 #endif
539
540 extern const struct elf_size_info _bfd_elfNN_size_info;
541
542 #ifndef INCLUDED_TARGET_FILE
543 static const struct elf_backend_data elfNN_bed =
544 {
545   ELF_ARCH,                     /* arch */
546   ELF_MACHINE_CODE,             /* elf_machine_code */
547   ELF_MAXPAGESIZE,              /* maxpagesize */
548   ELF_MINPAGESIZE,              /* minpagesize */
549   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
550   elf_info_to_howto,
551   elf_info_to_howto_rel,
552   elf_backend_sym_is_global,
553   elf_backend_object_p,
554   elf_backend_symbol_processing,
555   elf_backend_symbol_table_processing,
556   elf_backend_get_symbol_type,
557   elf_backend_archive_symbol_lookup,
558   elf_backend_name_local_section_symbols,
559   elf_backend_section_processing,
560   elf_backend_section_from_shdr,
561   elf_backend_section_flags,
562   elf_backend_get_sec_type_attr,
563   elf_backend_section_from_phdr,
564   elf_backend_fake_sections,
565   elf_backend_section_from_bfd_section,
566   elf_backend_add_symbol_hook,
567   elf_backend_link_output_symbol_hook,
568   elf_backend_create_dynamic_sections,
569   elf_backend_omit_section_dynsym,
570   elf_backend_check_relocs,
571   elf_backend_check_directives,
572   elf_backend_adjust_dynamic_symbol,
573   elf_backend_always_size_sections,
574   elf_backend_size_dynamic_sections,
575   elf_backend_relocate_section,
576   elf_backend_finish_dynamic_symbol,
577   elf_backend_finish_dynamic_sections,
578   elf_backend_begin_write_processing,
579   elf_backend_final_write_processing,
580   elf_backend_additional_program_headers,
581   elf_backend_modify_segment_map,
582   elf_backend_gc_mark_hook,
583   elf_backend_gc_sweep_hook,
584   elf_backend_post_process_headers,
585   elf_backend_print_symbol_all,
586   elf_backend_output_arch_syms,
587   elf_backend_copy_indirect_symbol,
588   elf_backend_hide_symbol,
589   elf_backend_merge_symbol_attribute,
590   elf_backend_emit_relocs,
591   elf_backend_count_relocs,
592   elf_backend_grok_prstatus,
593   elf_backend_grok_psinfo,
594   elf_backend_sprintf_vma,
595   elf_backend_fprintf_vma,
596   elf_backend_reloc_type_class,
597   elf_backend_discard_info,
598   elf_backend_ignore_discarded_relocs,
599   elf_backend_eh_frame_address_size,
600   elf_backend_can_make_relative_eh_frame,
601   elf_backend_can_make_lsda_relative_eh_frame,
602   elf_backend_encode_eh_address,
603   elf_backend_write_section,
604   elf_backend_mips_irix_compat,
605   elf_backend_mips_rtype_to_howto,
606   elf_backend_ecoff_debug_swap,
607   elf_backend_bfd_from_remote_memory,
608   elf_backend_plt_sym_val,
609   elf_backend_common_definition,
610   elf_backend_common_section_index,
611   elf_backend_common_section,
612   elf_backend_merge_symbol,
613   elf_backend_link_order_error_handler,
614   elf_backend_relplt_name,
615   ELF_MACHINE_ALT1,
616   ELF_MACHINE_ALT2,
617   &elf_backend_size_info,
618   elf_backend_special_sections,
619   elf_backend_got_header_size,
620   elf_backend_collect,
621   elf_backend_type_change_ok,
622   elf_backend_may_use_rel_p,
623   elf_backend_may_use_rela_p,
624   elf_backend_default_use_rela_p,
625   elf_backend_rela_normal,
626   elf_backend_sign_extend_vma,
627   elf_backend_want_got_plt,
628   elf_backend_plt_readonly,
629   elf_backend_want_plt_sym,
630   elf_backend_plt_not_loaded,
631   elf_backend_plt_alignment,
632   elf_backend_can_gc_sections,
633   elf_backend_can_refcount,
634   elf_backend_want_got_sym,
635   elf_backend_want_dynbss,
636   elf_backend_want_p_paddr_set_to_zero
637 };
638 #endif
639
640 /* Forward declaration for use when initialising alternative_target field.  */
641 #ifdef TARGET_LITTLE_SYM
642 extern const bfd_target TARGET_LITTLE_SYM;
643 #endif
644
645 #ifdef TARGET_BIG_SYM
646 const bfd_target TARGET_BIG_SYM =
647 {
648   /* name: identify kind of target */
649   TARGET_BIG_NAME,
650
651   /* flavour: general indication about file */
652   bfd_target_elf_flavour,
653
654   /* byteorder: data is big endian */
655   BFD_ENDIAN_BIG,
656
657   /* header_byteorder: header is also big endian */
658   BFD_ENDIAN_BIG,
659
660   /* object_flags: mask of all file flags */
661   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
662    | DYNAMIC | WP_TEXT | D_PAGED),
663
664   /* section_flags: mask of all section flags */
665   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
666    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
667    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
668
669    /* leading_symbol_char: is the first char of a user symbol
670       predictable, and if so what is it */
671   elf_symbol_leading_char,
672
673   /* ar_pad_char: pad character for filenames within an archive header
674      FIXME:  this really has nothing to do with ELF, this is a characteristic
675      of the archiver and/or os and should be independently tunable */
676   '/',
677
678   /* ar_max_namelen: maximum number of characters in an archive header
679      FIXME:  this really has nothing to do with ELF, this is a characteristic
680      of the archiver and should be independently tunable.  The System V ABI,
681      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
682   15,
683
684   /* Routines to byte-swap various sized integers from the data sections */
685   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
686     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
687     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
688
689   /* Routines to byte-swap various sized integers from the file headers */
690   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
691     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
692     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
693
694   /* bfd_check_format: check the format of a file being read */
695   { _bfd_dummy_target,          /* unknown format */
696     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
697     bfd_elfNN_archive_p,        /* an archive */
698     bfd_elfNN_core_file_p       /* a core file */
699   },
700
701   /* bfd_set_format: set the format of a file being written */
702   { bfd_false,
703     bfd_elfNN_mkobject,
704     bfd_elfNN_mkarchive,
705     bfd_elfNN_mkcorefile
706   },
707
708   /* bfd_write_contents: write cached information into a file being written */
709   { bfd_false,
710     bfd_elfNN_write_object_contents,
711     bfd_elfNN_write_archive_contents,
712     bfd_elfNN_write_corefile_contents,
713   },
714
715   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
716   BFD_JUMP_TABLE_COPY (bfd_elfNN),
717   BFD_JUMP_TABLE_CORE (bfd_elfNN),
718 #ifdef bfd_elfNN_archive_functions
719   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
720 #else
721   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
722 #endif
723   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
724   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
725   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
726   BFD_JUMP_TABLE_LINK (bfd_elfNN),
727   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
728
729   /* Alternative endian target.  */
730 #ifdef TARGET_LITTLE_SYM
731   & TARGET_LITTLE_SYM,
732 #else
733   NULL,
734 #endif
735
736   /* backend_data: */
737   &elfNN_bed
738 };
739 #endif
740
741 #ifdef TARGET_LITTLE_SYM
742 const bfd_target TARGET_LITTLE_SYM =
743 {
744   /* name: identify kind of target */
745   TARGET_LITTLE_NAME,
746
747   /* flavour: general indication about file */
748   bfd_target_elf_flavour,
749
750   /* byteorder: data is little endian */
751   BFD_ENDIAN_LITTLE,
752
753   /* header_byteorder: header is also little endian */
754   BFD_ENDIAN_LITTLE,
755
756   /* object_flags: mask of all file flags */
757   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
758    | DYNAMIC | WP_TEXT | D_PAGED),
759
760   /* section_flags: mask of all section flags */
761   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
762    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
763    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
764
765    /* leading_symbol_char: is the first char of a user symbol
766       predictable, and if so what is it */
767   elf_symbol_leading_char,
768
769   /* ar_pad_char: pad character for filenames within an archive header
770      FIXME:  this really has nothing to do with ELF, this is a characteristic
771      of the archiver and/or os and should be independently tunable */
772   '/',
773
774   /* ar_max_namelen: maximum number of characters in an archive header
775      FIXME:  this really has nothing to do with ELF, this is a characteristic
776      of the archiver and should be independently tunable.  The System V ABI,
777      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
778   15,
779
780   /* Routines to byte-swap various sized integers from the data sections */
781   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
782     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
783     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
784
785   /* Routines to byte-swap various sized integers from the file headers */
786   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
787     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
788     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
789
790   /* bfd_check_format: check the format of a file being read */
791   { _bfd_dummy_target,          /* unknown format */
792     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
793     bfd_elfNN_archive_p,        /* an archive */
794     bfd_elfNN_core_file_p       /* a core file */
795   },
796
797   /* bfd_set_format: set the format of a file being written */
798   { bfd_false,
799     bfd_elfNN_mkobject,
800     bfd_elfNN_mkarchive,
801     bfd_elfNN_mkcorefile
802   },
803
804   /* bfd_write_contents: write cached information into a file being written */
805   { bfd_false,
806     bfd_elfNN_write_object_contents,
807     bfd_elfNN_write_archive_contents,
808     bfd_elfNN_write_corefile_contents,
809   },
810
811   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
812   BFD_JUMP_TABLE_COPY (bfd_elfNN),
813   BFD_JUMP_TABLE_CORE (bfd_elfNN),
814 #ifdef bfd_elfNN_archive_functions
815   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
816 #else
817   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
818 #endif
819   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
820   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
821   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
822   BFD_JUMP_TABLE_LINK (bfd_elfNN),
823   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
824
825   /* Alternative endian target.  */
826 #ifdef TARGET_BIG_SYM
827   & TARGET_BIG_SYM,
828 #else
829   NULL,
830 #endif
831
832   /* backend_data: */
833   &elfNN_bed
834 };
835 #endif