* elf-bfd.h (struct elf_backend_data): New member got_elt_size.
[external/binutils.git] / bfd / elfxx-target.h
1 /* Target definitions for NN-bit ELF
2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3    2003, 2004, 2005, 2006, 2007, 2008 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_make_debug_symbol
173 #define bfd_elfNN_bfd_make_debug_symbol \
174   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
175 #endif
176
177 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
178 #define bfd_elfNN_bfd_copy_private_symbol_data \
179   _bfd_elf_copy_private_symbol_data
180 #endif
181
182 #ifndef bfd_elfNN_bfd_copy_private_section_data
183 #define bfd_elfNN_bfd_copy_private_section_data \
184   _bfd_elf_copy_private_section_data
185 #endif
186 #ifndef bfd_elfNN_bfd_copy_private_header_data
187 #define bfd_elfNN_bfd_copy_private_header_data \
188   _bfd_elf_copy_private_header_data
189 #endif
190 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
191 #define bfd_elfNN_bfd_copy_private_bfd_data \
192   _bfd_elf_copy_private_bfd_data
193 #endif
194 #ifndef bfd_elfNN_bfd_print_private_bfd_data
195 #define bfd_elfNN_bfd_print_private_bfd_data \
196   _bfd_elf_print_private_bfd_data
197 #endif
198 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
199 #define bfd_elfNN_bfd_merge_private_bfd_data \
200   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
201 #endif
202 #ifndef bfd_elfNN_bfd_set_private_flags
203 #define bfd_elfNN_bfd_set_private_flags \
204   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
205 #endif
206 #ifndef bfd_elfNN_bfd_is_local_label_name
207 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
208 #endif
209 #ifndef bfd_elfNN_bfd_is_target_special_symbol
210 #define bfd_elfNN_bfd_is_target_special_symbol \
211   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
212 #endif
213
214 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
215 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
216   _bfd_elf_get_dynamic_reloc_upper_bound
217 #endif
218 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
219 #define bfd_elfNN_canonicalize_dynamic_reloc \
220   _bfd_elf_canonicalize_dynamic_reloc
221 #endif
222
223 #ifndef bfd_elfNN_bfd_link_hash_table_free
224 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
225 #endif
226
227 #ifdef elf_backend_relocate_section
228 #ifndef bfd_elfNN_bfd_link_hash_table_create
229 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
230 #endif
231 #ifndef bfd_elfNN_bfd_link_add_symbols
232 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
233 #endif
234 #ifndef bfd_elfNN_bfd_final_link
235 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
236 #endif
237 #else /* ! defined (elf_backend_relocate_section) */
238 /* If no backend relocate_section routine, use the generic linker.
239    Note - this will prevent the port from being able to use some of
240    the other features of the ELF linker, because the generic hash structure
241    does not have the fields needed by the ELF linker.  In particular it
242    means that linking directly to S-records will not work.  */
243 #ifndef bfd_elfNN_bfd_link_hash_table_create
244 #define bfd_elfNN_bfd_link_hash_table_create \
245   _bfd_generic_link_hash_table_create
246 #endif
247 #ifndef bfd_elfNN_bfd_link_add_symbols
248 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
249 #endif
250 #ifndef bfd_elfNN_bfd_final_link
251 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
252 #endif
253 #endif /* ! defined (elf_backend_relocate_section) */
254
255 #ifndef bfd_elfNN_bfd_link_just_syms
256 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
257 #endif
258
259 #ifndef bfd_elfNN_bfd_link_split_section
260 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
261 #endif
262
263 #ifndef bfd_elfNN_archive_p
264 #define bfd_elfNN_archive_p bfd_generic_archive_p
265 #endif
266
267 #ifndef bfd_elfNN_write_archive_contents
268 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
269 #endif
270
271 #ifndef bfd_elfNN_mkobject
272 #define bfd_elfNN_mkobject bfd_elf_make_generic_object
273 #endif
274
275 #ifndef bfd_elfNN_mkcorefile
276 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
277 #endif
278
279 #ifndef bfd_elfNN_mkarchive
280 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
281 #endif
282
283 #ifndef bfd_elfNN_print_symbol
284 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
285 #endif
286
287 #ifndef elf_symbol_leading_char
288 #define elf_symbol_leading_char 0
289 #endif
290
291 #ifndef elf_info_to_howto
292 #define elf_info_to_howto 0
293 #endif
294
295 #ifndef elf_info_to_howto_rel
296 #define elf_info_to_howto_rel 0
297 #endif
298
299 #ifndef ELF_OSABI
300 #define ELF_OSABI ELFOSABI_NONE
301 #endif
302
303 #ifndef ELF_MAXPAGESIZE
304 # error ELF_MAXPAGESIZE is not defined
305 #define ELF_MAXPAGESIZE 1
306 #endif
307
308 #ifndef ELF_COMMONPAGESIZE
309 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
310 #endif
311
312 #ifndef ELF_MINPAGESIZE
313 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
314 #endif
315
316 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
317 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
318 #endif
319 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
320 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
321 #endif
322
323 #ifndef ELF_DYNAMIC_SEC_FLAGS
324 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
325 #define ELF_DYNAMIC_SEC_FLAGS                   \
326   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
327    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
328 #endif
329
330 #ifndef elf_backend_collect
331 #define elf_backend_collect FALSE
332 #endif
333 #ifndef elf_backend_type_change_ok
334 #define elf_backend_type_change_ok FALSE
335 #endif
336
337 #ifndef elf_backend_sym_is_global
338 #define elf_backend_sym_is_global       0
339 #endif
340 #ifndef elf_backend_object_p
341 #define elf_backend_object_p            0
342 #endif
343 #ifndef elf_backend_symbol_processing
344 #define elf_backend_symbol_processing   0
345 #endif
346 #ifndef elf_backend_symbol_table_processing
347 #define elf_backend_symbol_table_processing     0
348 #endif
349 #ifndef elf_backend_get_symbol_type
350 #define elf_backend_get_symbol_type 0
351 #endif
352 #ifndef elf_backend_archive_symbol_lookup
353 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
354 #endif
355 #ifndef elf_backend_name_local_section_symbols
356 #define elf_backend_name_local_section_symbols  0
357 #endif
358 #ifndef elf_backend_section_processing
359 #define elf_backend_section_processing  0
360 #endif
361 #ifndef elf_backend_section_from_shdr
362 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
363 #endif
364 #ifndef elf_backend_section_flags
365 #define elf_backend_section_flags       0
366 #endif
367 #ifndef elf_backend_get_sec_type_attr
368 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
369 #endif
370 #ifndef elf_backend_section_from_phdr
371 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
372 #endif
373 #ifndef elf_backend_fake_sections
374 #define elf_backend_fake_sections       0
375 #endif
376 #ifndef elf_backend_section_from_bfd_section
377 #define elf_backend_section_from_bfd_section    0
378 #endif
379 #ifndef elf_backend_add_symbol_hook
380 #define elf_backend_add_symbol_hook     0
381 #endif
382 #ifndef elf_backend_link_output_symbol_hook
383 #define elf_backend_link_output_symbol_hook 0
384 #endif
385 #ifndef elf_backend_create_dynamic_sections
386 #define elf_backend_create_dynamic_sections 0
387 #endif
388 #ifndef elf_backend_omit_section_dynsym
389 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
390 #endif
391 #ifndef elf_backend_relocs_compatible
392 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
393 #endif
394 #ifndef elf_backend_check_relocs
395 #define elf_backend_check_relocs        0
396 #endif
397 #ifndef elf_backend_check_directives
398 #define elf_backend_check_directives    0
399 #endif
400 #ifndef elf_backend_as_needed_cleanup
401 #define elf_backend_as_needed_cleanup   0
402 #endif
403 #ifndef elf_backend_adjust_dynamic_symbol
404 #define elf_backend_adjust_dynamic_symbol 0
405 #endif
406 #ifndef elf_backend_always_size_sections
407 #define elf_backend_always_size_sections 0
408 #endif
409 #ifndef elf_backend_size_dynamic_sections
410 #define elf_backend_size_dynamic_sections 0
411 #endif
412 #ifndef elf_backend_init_index_section
413 #define elf_backend_init_index_section \
414  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
415 #endif
416 #ifndef elf_backend_relocate_section
417 #define elf_backend_relocate_section    0
418 #endif
419 #ifndef elf_backend_finish_dynamic_symbol
420 #define elf_backend_finish_dynamic_symbol       0
421 #endif
422 #ifndef elf_backend_finish_dynamic_sections
423 #define elf_backend_finish_dynamic_sections     0
424 #endif
425 #ifndef elf_backend_begin_write_processing
426 #define elf_backend_begin_write_processing      0
427 #endif
428 #ifndef elf_backend_final_write_processing
429 #define elf_backend_final_write_processing      0
430 #endif
431 #ifndef elf_backend_additional_program_headers
432 #define elf_backend_additional_program_headers  0
433 #endif
434 #ifndef elf_backend_modify_segment_map
435 #define elf_backend_modify_segment_map  0
436 #endif
437 #ifndef elf_backend_modify_program_headers
438 #define elf_backend_modify_program_headers      0
439 #endif
440 #ifndef elf_backend_ecoff_debug_swap
441 #define elf_backend_ecoff_debug_swap    0
442 #endif
443 #ifndef elf_backend_bfd_from_remote_memory
444 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
445 #endif
446 #ifndef elf_backend_got_header_size
447 #define elf_backend_got_header_size     0
448 #endif
449 #ifndef elf_backend_got_elt_size
450 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
451 #endif
452 #ifndef elf_backend_obj_attrs_vendor
453 #define elf_backend_obj_attrs_vendor            NULL
454 #endif
455 #ifndef elf_backend_obj_attrs_section
456 #define elf_backend_obj_attrs_section           NULL
457 #endif
458 #ifndef elf_backend_obj_attrs_arg_type
459 #define elf_backend_obj_attrs_arg_type          NULL
460 #endif
461 #ifndef elf_backend_obj_attrs_section_type
462 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
463 #endif
464 #ifndef elf_backend_post_process_headers
465 #define elf_backend_post_process_headers        NULL
466 #endif
467 #ifndef elf_backend_print_symbol_all
468 #define elf_backend_print_symbol_all            NULL
469 #endif
470 #ifndef elf_backend_output_arch_local_syms
471 #define elf_backend_output_arch_local_syms      NULL
472 #endif
473 #ifndef elf_backend_output_arch_syms
474 #define elf_backend_output_arch_syms            NULL
475 #endif
476 #ifndef elf_backend_copy_indirect_symbol
477 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
478 #endif
479 #ifndef elf_backend_hide_symbol
480 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
481 #endif
482 #ifndef elf_backend_fixup_symbol
483 #define elf_backend_fixup_symbol                NULL    
484 #endif
485 #ifndef elf_backend_merge_symbol_attribute
486 #define elf_backend_merge_symbol_attribute      NULL
487 #endif
488 #ifndef elf_backend_get_target_dtag
489 #define elf_backend_get_target_dtag             NULL
490 #endif
491 #ifndef elf_backend_ignore_undef_symbol
492 #define elf_backend_ignore_undef_symbol         NULL
493 #endif
494 #ifndef elf_backend_emit_relocs
495 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
496 #endif
497 #ifndef elf_backend_count_relocs
498 #define elf_backend_count_relocs                NULL
499 #endif
500 #ifndef elf_backend_grok_prstatus
501 #define elf_backend_grok_prstatus               NULL
502 #endif
503 #ifndef elf_backend_grok_psinfo
504 #define elf_backend_grok_psinfo                 NULL
505 #endif
506 #ifndef elf_backend_write_core_note
507 #define elf_backend_write_core_note             NULL
508 #endif
509 #ifndef elf_backend_reloc_type_class
510 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
511 #endif
512 #ifndef elf_backend_discard_info
513 #define elf_backend_discard_info                NULL
514 #endif
515 #ifndef elf_backend_ignore_discarded_relocs
516 #define elf_backend_ignore_discarded_relocs     NULL
517 #endif
518 #ifndef elf_backend_action_discarded
519 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
520 #endif
521 #ifndef elf_backend_eh_frame_address_size
522 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
523 #endif
524 #ifndef elf_backend_can_make_relative_eh_frame
525 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
526 #endif
527 #ifndef elf_backend_can_make_lsda_relative_eh_frame
528 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
529 #endif
530 #ifndef elf_backend_encode_eh_address
531 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
532 #endif
533 #ifndef elf_backend_write_section
534 #define elf_backend_write_section               NULL
535 #endif
536 #ifndef elf_backend_mips_irix_compat
537 #define elf_backend_mips_irix_compat            NULL
538 #endif
539 #ifndef elf_backend_mips_rtype_to_howto
540 #define elf_backend_mips_rtype_to_howto         NULL
541 #endif
542
543 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
544    sections, but not both.  They defined USE_REL to indicate SHT_REL
545    sections, and left it undefined to indicated SHT_RELA sections.
546    For backwards compatibility, we still support this usage.  */
547 #ifndef USE_REL
548 #define USE_REL 0
549 #endif
550
551 /* Use these in new code.  */
552 #ifndef elf_backend_may_use_rel_p
553 #define elf_backend_may_use_rel_p USE_REL
554 #endif
555 #ifndef elf_backend_may_use_rela_p
556 #define elf_backend_may_use_rela_p !USE_REL
557 #endif
558 #ifndef elf_backend_default_use_rela_p
559 #define elf_backend_default_use_rela_p !USE_REL
560 #endif
561 #ifndef elf_backend_rela_plts_and_copies_p
562 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
563 #endif
564
565 #ifndef elf_backend_rela_normal
566 #define elf_backend_rela_normal 0
567 #endif
568
569 #ifndef elf_backend_plt_sym_val
570 #define elf_backend_plt_sym_val NULL
571 #endif
572 #ifndef elf_backend_relplt_name
573 #define elf_backend_relplt_name NULL
574 #endif
575
576 #ifndef ELF_MACHINE_ALT1
577 #define ELF_MACHINE_ALT1 0
578 #endif
579
580 #ifndef ELF_MACHINE_ALT2
581 #define ELF_MACHINE_ALT2 0
582 #endif
583
584 #ifndef elf_backend_size_info
585 #define elf_backend_size_info _bfd_elfNN_size_info
586 #endif
587
588 #ifndef elf_backend_special_sections
589 #define elf_backend_special_sections NULL
590 #endif
591
592 #ifndef elf_backend_sign_extend_vma
593 #define elf_backend_sign_extend_vma 0
594 #endif
595
596 #ifndef elf_backend_link_order_error_handler
597 #define elf_backend_link_order_error_handler _bfd_default_error_handler
598 #endif
599
600 #ifndef elf_backend_common_definition
601 #define elf_backend_common_definition _bfd_elf_common_definition
602 #endif
603
604 #ifndef elf_backend_common_section_index
605 #define elf_backend_common_section_index _bfd_elf_common_section_index
606 #endif
607
608 #ifndef elf_backend_common_section
609 #define elf_backend_common_section _bfd_elf_common_section
610 #endif
611
612 #ifndef elf_backend_merge_symbol
613 #define elf_backend_merge_symbol NULL
614 #endif
615
616 #ifndef elf_backend_hash_symbol
617 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
618 #endif
619
620 #ifndef elf_backend_is_function_type
621 #define elf_backend_is_function_type _bfd_elf_is_function_type
622 #endif
623
624 extern const struct elf_size_info _bfd_elfNN_size_info;
625
626 static struct elf_backend_data elfNN_bed =
627 {
628   ELF_ARCH,                     /* arch */
629   ELF_MACHINE_CODE,             /* elf_machine_code */
630   ELF_OSABI,                    /* elf_osabi  */
631   ELF_MAXPAGESIZE,              /* maxpagesize */
632   ELF_MINPAGESIZE,              /* minpagesize */
633   ELF_COMMONPAGESIZE,           /* commonpagesize */
634   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
635   elf_info_to_howto,
636   elf_info_to_howto_rel,
637   elf_backend_sym_is_global,
638   elf_backend_object_p,
639   elf_backend_symbol_processing,
640   elf_backend_symbol_table_processing,
641   elf_backend_get_symbol_type,
642   elf_backend_archive_symbol_lookup,
643   elf_backend_name_local_section_symbols,
644   elf_backend_section_processing,
645   elf_backend_section_from_shdr,
646   elf_backend_section_flags,
647   elf_backend_get_sec_type_attr,
648   elf_backend_section_from_phdr,
649   elf_backend_fake_sections,
650   elf_backend_section_from_bfd_section,
651   elf_backend_add_symbol_hook,
652   elf_backend_link_output_symbol_hook,
653   elf_backend_create_dynamic_sections,
654   elf_backend_omit_section_dynsym,
655   elf_backend_relocs_compatible,
656   elf_backend_check_relocs,
657   elf_backend_check_directives,
658   elf_backend_as_needed_cleanup,
659   elf_backend_adjust_dynamic_symbol,
660   elf_backend_always_size_sections,
661   elf_backend_size_dynamic_sections,
662   elf_backend_init_index_section,
663   elf_backend_relocate_section,
664   elf_backend_finish_dynamic_symbol,
665   elf_backend_finish_dynamic_sections,
666   elf_backend_begin_write_processing,
667   elf_backend_final_write_processing,
668   elf_backend_additional_program_headers,
669   elf_backend_modify_segment_map,
670   elf_backend_modify_program_headers,
671   elf_backend_gc_keep,
672   elf_backend_gc_mark_dynamic_ref,
673   elf_backend_gc_mark_hook,
674   elf_backend_gc_mark_extra_sections,
675   elf_backend_gc_sweep_hook,
676   elf_backend_post_process_headers,
677   elf_backend_print_symbol_all,
678   elf_backend_output_arch_local_syms,
679   elf_backend_output_arch_syms,
680   elf_backend_copy_indirect_symbol,
681   elf_backend_hide_symbol,
682   elf_backend_fixup_symbol,
683   elf_backend_merge_symbol_attribute,
684   elf_backend_get_target_dtag,
685   elf_backend_ignore_undef_symbol,
686   elf_backend_emit_relocs,
687   elf_backend_count_relocs,
688   elf_backend_grok_prstatus,
689   elf_backend_grok_psinfo,
690   elf_backend_write_core_note,
691   elf_backend_reloc_type_class,
692   elf_backend_discard_info,
693   elf_backend_ignore_discarded_relocs,
694   elf_backend_action_discarded,
695   elf_backend_eh_frame_address_size,
696   elf_backend_can_make_relative_eh_frame,
697   elf_backend_can_make_lsda_relative_eh_frame,
698   elf_backend_encode_eh_address,
699   elf_backend_write_section,
700   elf_backend_mips_irix_compat,
701   elf_backend_mips_rtype_to_howto,
702   elf_backend_ecoff_debug_swap,
703   elf_backend_bfd_from_remote_memory,
704   elf_backend_plt_sym_val,
705   elf_backend_common_definition,
706   elf_backend_common_section_index,
707   elf_backend_common_section,
708   elf_backend_merge_symbol,
709   elf_backend_hash_symbol,
710   elf_backend_is_function_type,
711   elf_backend_link_order_error_handler,
712   elf_backend_relplt_name,
713   ELF_MACHINE_ALT1,
714   ELF_MACHINE_ALT2,
715   &elf_backend_size_info,
716   elf_backend_special_sections,
717   elf_backend_got_header_size,
718   elf_backend_got_elt_size,
719   elf_backend_obj_attrs_vendor,
720   elf_backend_obj_attrs_section,
721   elf_backend_obj_attrs_arg_type,
722   elf_backend_obj_attrs_section_type,
723   elf_backend_collect,
724   elf_backend_type_change_ok,
725   elf_backend_may_use_rel_p,
726   elf_backend_may_use_rela_p,
727   elf_backend_default_use_rela_p,
728   elf_backend_rela_plts_and_copies_p,
729   elf_backend_rela_normal,
730   elf_backend_sign_extend_vma,
731   elf_backend_want_got_plt,
732   elf_backend_plt_readonly,
733   elf_backend_want_plt_sym,
734   elf_backend_plt_not_loaded,
735   elf_backend_plt_alignment,
736   elf_backend_can_gc_sections,
737   elf_backend_can_refcount,
738   elf_backend_want_got_sym,
739   elf_backend_want_dynbss,
740   elf_backend_want_p_paddr_set_to_zero,
741   elf_backend_default_execstack
742 };
743
744 /* Forward declaration for use when initialising alternative_target field.  */
745 #ifdef TARGET_LITTLE_SYM
746 extern const bfd_target TARGET_LITTLE_SYM;
747 #endif
748
749 #ifdef TARGET_BIG_SYM
750 const bfd_target TARGET_BIG_SYM =
751 {
752   /* name: identify kind of target */
753   TARGET_BIG_NAME,
754
755   /* flavour: general indication about file */
756   bfd_target_elf_flavour,
757
758   /* byteorder: data is big endian */
759   BFD_ENDIAN_BIG,
760
761   /* header_byteorder: header is also big endian */
762   BFD_ENDIAN_BIG,
763
764   /* object_flags: mask of all file flags */
765   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
766    | DYNAMIC | WP_TEXT | D_PAGED),
767
768   /* section_flags: mask of all section flags */
769   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
770    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
771    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
772
773    /* leading_symbol_char: is the first char of a user symbol
774       predictable, and if so what is it */
775   elf_symbol_leading_char,
776
777   /* ar_pad_char: pad character for filenames within an archive header
778      FIXME:  this really has nothing to do with ELF, this is a characteristic
779      of the archiver and/or os and should be independently tunable */
780   '/',
781
782   /* ar_max_namelen: maximum number of characters in an archive header
783      FIXME:  this really has nothing to do with ELF, this is a characteristic
784      of the archiver and should be independently tunable.  The System V ABI,
785      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
786   15,
787
788   /* Routines to byte-swap various sized integers from the data sections */
789   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
790     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
791     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
792
793   /* Routines to byte-swap various sized integers from the file headers */
794   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
795     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
796     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
797
798   /* bfd_check_format: check the format of a file being read */
799   { _bfd_dummy_target,          /* unknown format */
800     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
801     bfd_elfNN_archive_p,        /* an archive */
802     bfd_elfNN_core_file_p       /* a core file */
803   },
804
805   /* bfd_set_format: set the format of a file being written */
806   { bfd_false,
807     bfd_elfNN_mkobject,
808     bfd_elfNN_mkarchive,
809     bfd_elfNN_mkcorefile
810   },
811
812   /* bfd_write_contents: write cached information into a file being written */
813   { bfd_false,
814     bfd_elfNN_write_object_contents,
815     bfd_elfNN_write_archive_contents,
816     bfd_elfNN_write_corefile_contents,
817   },
818
819   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
820   BFD_JUMP_TABLE_COPY (bfd_elfNN),
821   BFD_JUMP_TABLE_CORE (bfd_elfNN),
822 #ifdef bfd_elfNN_archive_functions
823   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
824 #else
825   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
826 #endif
827   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
828   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
829   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
830   BFD_JUMP_TABLE_LINK (bfd_elfNN),
831   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
832
833   /* Alternative endian target.  */
834 #ifdef TARGET_LITTLE_SYM
835   & TARGET_LITTLE_SYM,
836 #else
837   NULL,
838 #endif
839
840   /* backend_data: */
841   &elfNN_bed
842 };
843 #endif
844
845 #ifdef TARGET_LITTLE_SYM
846 const bfd_target TARGET_LITTLE_SYM =
847 {
848   /* name: identify kind of target */
849   TARGET_LITTLE_NAME,
850
851   /* flavour: general indication about file */
852   bfd_target_elf_flavour,
853
854   /* byteorder: data is little endian */
855   BFD_ENDIAN_LITTLE,
856
857   /* header_byteorder: header is also little endian */
858   BFD_ENDIAN_LITTLE,
859
860   /* object_flags: mask of all file flags */
861   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
862    | DYNAMIC | WP_TEXT | D_PAGED),
863
864   /* section_flags: mask of all section flags */
865   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
866    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
867    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
868
869    /* leading_symbol_char: is the first char of a user symbol
870       predictable, and if so what is it */
871   elf_symbol_leading_char,
872
873   /* ar_pad_char: pad character for filenames within an archive header
874      FIXME:  this really has nothing to do with ELF, this is a characteristic
875      of the archiver and/or os and should be independently tunable */
876   '/',
877
878   /* ar_max_namelen: maximum number of characters in an archive header
879      FIXME:  this really has nothing to do with ELF, this is a characteristic
880      of the archiver and should be independently tunable.  The System V ABI,
881      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
882   15,
883
884   /* Routines to byte-swap various sized integers from the data sections */
885   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
886     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
887     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
888
889   /* Routines to byte-swap various sized integers from the file headers */
890   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
891     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
892     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
893
894   /* bfd_check_format: check the format of a file being read */
895   { _bfd_dummy_target,          /* unknown format */
896     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
897     bfd_elfNN_archive_p,        /* an archive */
898     bfd_elfNN_core_file_p       /* a core file */
899   },
900
901   /* bfd_set_format: set the format of a file being written */
902   { bfd_false,
903     bfd_elfNN_mkobject,
904     bfd_elfNN_mkarchive,
905     bfd_elfNN_mkcorefile
906   },
907
908   /* bfd_write_contents: write cached information into a file being written */
909   { bfd_false,
910     bfd_elfNN_write_object_contents,
911     bfd_elfNN_write_archive_contents,
912     bfd_elfNN_write_corefile_contents,
913   },
914
915   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
916   BFD_JUMP_TABLE_COPY (bfd_elfNN),
917   BFD_JUMP_TABLE_CORE (bfd_elfNN),
918 #ifdef bfd_elfNN_archive_functions
919   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
920 #else
921   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
922 #endif
923   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
924   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
925   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
926   BFD_JUMP_TABLE_LINK (bfd_elfNN),
927   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
928
929   /* Alternative endian target.  */
930 #ifdef TARGET_BIG_SYM
931   & TARGET_BIG_SYM,
932 #else
933   NULL,
934 #endif
935
936   /* backend_data: */
937   &elfNN_bed
938 };
939 #endif