Merge branch 'vendor/GCC44'
[dragonfly.git] / contrib / binutils-2.21 / bfd / elfxx-target.h
1 /* Target definitions for NN-bit ELF
2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
3    2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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_copy_link_hash_symbol_type
264 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
265   _bfd_elf_copy_link_hash_symbol_type
266 #endif
267
268 #ifndef bfd_elfNN_bfd_link_split_section
269 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
270 #endif
271
272 #ifndef bfd_elfNN_archive_p
273 #define bfd_elfNN_archive_p bfd_generic_archive_p
274 #endif
275
276 #ifndef bfd_elfNN_write_archive_contents
277 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
278 #endif
279
280 #ifndef bfd_elfNN_mkobject
281 #define bfd_elfNN_mkobject bfd_elf_make_object
282 #endif
283
284 #ifndef bfd_elfNN_mkcorefile
285 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
286 #endif
287
288 #ifndef bfd_elfNN_mkarchive
289 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
290 #endif
291
292 #ifndef bfd_elfNN_print_symbol
293 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
294 #endif
295
296 #ifndef elf_symbol_leading_char
297 #define elf_symbol_leading_char 0
298 #endif
299
300 #ifndef elf_info_to_howto
301 #define elf_info_to_howto 0
302 #endif
303
304 #ifndef elf_info_to_howto_rel
305 #define elf_info_to_howto_rel 0
306 #endif
307
308 #ifndef ELF_TARGET_ID
309 #define ELF_TARGET_ID   GENERIC_ELF_DATA
310 #endif
311
312 #ifndef ELF_OSABI
313 #define ELF_OSABI ELFOSABI_NONE
314 #endif
315
316 #ifndef ELF_MAXPAGESIZE
317 # error ELF_MAXPAGESIZE is not defined
318 #define ELF_MAXPAGESIZE 1
319 #endif
320
321 #ifndef ELF_COMMONPAGESIZE
322 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
323 #endif
324
325 #ifndef ELF_MINPAGESIZE
326 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
327 #endif
328
329 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
330 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
331 #endif
332 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
333 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
334 #endif
335
336 #ifndef ELF_DYNAMIC_SEC_FLAGS
337 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
338 #define ELF_DYNAMIC_SEC_FLAGS                   \
339   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
340    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
341 #endif
342
343 #ifndef elf_backend_collect
344 #define elf_backend_collect FALSE
345 #endif
346 #ifndef elf_backend_type_change_ok
347 #define elf_backend_type_change_ok FALSE
348 #endif
349
350 #ifndef elf_backend_sym_is_global
351 #define elf_backend_sym_is_global       0
352 #endif
353 #ifndef elf_backend_object_p
354 #define elf_backend_object_p            0
355 #endif
356 #ifndef elf_backend_symbol_processing
357 #define elf_backend_symbol_processing   0
358 #endif
359 #ifndef elf_backend_symbol_table_processing
360 #define elf_backend_symbol_table_processing     0
361 #endif
362 #ifndef elf_backend_get_symbol_type
363 #define elf_backend_get_symbol_type 0
364 #endif
365 #ifndef elf_backend_archive_symbol_lookup
366 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
367 #endif
368 #ifndef elf_backend_name_local_section_symbols
369 #define elf_backend_name_local_section_symbols  0
370 #endif
371 #ifndef elf_backend_section_processing
372 #define elf_backend_section_processing  0
373 #endif
374 #ifndef elf_backend_section_from_shdr
375 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
376 #endif
377 #ifndef elf_backend_section_flags
378 #define elf_backend_section_flags       0
379 #endif
380 #ifndef elf_backend_get_sec_type_attr
381 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
382 #endif
383 #ifndef elf_backend_section_from_phdr
384 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
385 #endif
386 #ifndef elf_backend_fake_sections
387 #define elf_backend_fake_sections       0
388 #endif
389 #ifndef elf_backend_section_from_bfd_section
390 #define elf_backend_section_from_bfd_section    0
391 #endif
392 #ifndef elf_backend_add_symbol_hook
393 #define elf_backend_add_symbol_hook     0
394 #endif
395 #ifndef elf_backend_link_output_symbol_hook
396 #define elf_backend_link_output_symbol_hook 0
397 #endif
398 #ifndef elf_backend_create_dynamic_sections
399 #define elf_backend_create_dynamic_sections 0
400 #endif
401 #ifndef elf_backend_omit_section_dynsym
402 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
403 #endif
404 #ifndef elf_backend_relocs_compatible
405 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
406 #endif
407 #ifndef elf_backend_check_relocs
408 #define elf_backend_check_relocs        0
409 #endif
410 #ifndef elf_backend_check_directives
411 #define elf_backend_check_directives    0
412 #endif
413 #ifndef elf_backend_as_needed_cleanup
414 #define elf_backend_as_needed_cleanup   0
415 #endif
416 #ifndef elf_backend_adjust_dynamic_symbol
417 #define elf_backend_adjust_dynamic_symbol 0
418 #endif
419 #ifndef elf_backend_always_size_sections
420 #define elf_backend_always_size_sections 0
421 #endif
422 #ifndef elf_backend_size_dynamic_sections
423 #define elf_backend_size_dynamic_sections 0
424 #endif
425 #ifndef elf_backend_init_index_section
426 #define elf_backend_init_index_section \
427  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
428 #endif
429 #ifndef elf_backend_relocate_section
430 #define elf_backend_relocate_section    0
431 #endif
432 #ifndef elf_backend_finish_dynamic_symbol
433 #define elf_backend_finish_dynamic_symbol       0
434 #endif
435 #ifndef elf_backend_finish_dynamic_sections
436 #define elf_backend_finish_dynamic_sections     0
437 #endif
438 #ifndef elf_backend_begin_write_processing
439 #define elf_backend_begin_write_processing      0
440 #endif
441 #ifndef elf_backend_final_write_processing
442 #define elf_backend_final_write_processing      0
443 #endif
444 #ifndef elf_backend_additional_program_headers
445 #define elf_backend_additional_program_headers  0
446 #endif
447 #ifndef elf_backend_modify_segment_map
448 #define elf_backend_modify_segment_map  0
449 #endif
450 #ifndef elf_backend_modify_program_headers
451 #define elf_backend_modify_program_headers      0
452 #endif
453 #ifndef elf_backend_ecoff_debug_swap
454 #define elf_backend_ecoff_debug_swap    0
455 #endif
456 #ifndef elf_backend_bfd_from_remote_memory
457 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
458 #endif
459 #ifndef elf_backend_got_header_size
460 #define elf_backend_got_header_size     0
461 #endif
462 #ifndef elf_backend_got_elt_size
463 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
464 #endif
465 #ifndef elf_backend_obj_attrs_vendor
466 #define elf_backend_obj_attrs_vendor            NULL
467 #endif
468 #ifndef elf_backend_obj_attrs_section
469 #define elf_backend_obj_attrs_section           NULL
470 #endif
471 #ifndef elf_backend_obj_attrs_arg_type
472 #define elf_backend_obj_attrs_arg_type          NULL
473 #endif
474 #ifndef elf_backend_obj_attrs_section_type
475 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
476 #endif
477 #ifndef elf_backend_obj_attrs_order
478 #define elf_backend_obj_attrs_order             NULL
479 #endif
480 #ifndef elf_backend_obj_attrs_handle_unknown
481 #define elf_backend_obj_attrs_handle_unknown    NULL
482 #endif
483 #ifndef elf_backend_static_tls_alignment
484 #define elf_backend_static_tls_alignment        1
485 #endif
486 #ifndef elf_backend_post_process_headers
487 #define elf_backend_post_process_headers        NULL
488 #endif
489 #ifndef elf_backend_print_symbol_all
490 #define elf_backend_print_symbol_all            NULL
491 #endif
492 #ifndef elf_backend_output_arch_local_syms
493 #define elf_backend_output_arch_local_syms      NULL
494 #endif
495 #ifndef elf_backend_output_arch_syms
496 #define elf_backend_output_arch_syms            NULL
497 #endif
498 #ifndef elf_backend_copy_indirect_symbol
499 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
500 #endif
501 #ifndef elf_backend_hide_symbol
502 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
503 #endif
504 #ifndef elf_backend_fixup_symbol
505 #define elf_backend_fixup_symbol                NULL    
506 #endif
507 #ifndef elf_backend_merge_symbol_attribute
508 #define elf_backend_merge_symbol_attribute      NULL
509 #endif
510 #ifndef elf_backend_get_target_dtag
511 #define elf_backend_get_target_dtag             NULL
512 #endif
513 #ifndef elf_backend_ignore_undef_symbol
514 #define elf_backend_ignore_undef_symbol         NULL
515 #endif
516 #ifndef elf_backend_emit_relocs
517 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
518 #endif
519 #ifndef elf_backend_count_relocs
520 #define elf_backend_count_relocs                NULL
521 #endif
522 #ifndef elf_backend_grok_prstatus
523 #define elf_backend_grok_prstatus               NULL
524 #endif
525 #ifndef elf_backend_grok_psinfo
526 #define elf_backend_grok_psinfo                 NULL
527 #endif
528 #ifndef elf_backend_write_core_note
529 #define elf_backend_write_core_note             NULL
530 #endif
531 #ifndef elf_backend_reloc_type_class
532 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
533 #endif
534 #ifndef elf_backend_discard_info
535 #define elf_backend_discard_info                NULL
536 #endif
537 #ifndef elf_backend_ignore_discarded_relocs
538 #define elf_backend_ignore_discarded_relocs     NULL
539 #endif
540 #ifndef elf_backend_action_discarded
541 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
542 #endif
543 #ifndef elf_backend_eh_frame_address_size
544 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
545 #endif
546 #ifndef elf_backend_can_make_relative_eh_frame
547 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
548 #endif
549 #ifndef elf_backend_can_make_lsda_relative_eh_frame
550 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
551 #endif
552 #ifndef elf_backend_encode_eh_address
553 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
554 #endif
555 #ifndef elf_backend_write_section
556 #define elf_backend_write_section               NULL
557 #endif
558 #ifndef elf_backend_mips_irix_compat
559 #define elf_backend_mips_irix_compat            NULL
560 #endif
561 #ifndef elf_backend_mips_rtype_to_howto
562 #define elf_backend_mips_rtype_to_howto         NULL
563 #endif
564
565 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
566    sections, but not both.  They defined USE_REL to indicate SHT_REL
567    sections, and left it undefined to indicated SHT_RELA sections.
568    For backwards compatibility, we still support this usage.  */
569 #ifndef USE_REL
570 #define USE_REL 0
571 #endif
572
573 /* Use these in new code.  */
574 #ifndef elf_backend_may_use_rel_p
575 #define elf_backend_may_use_rel_p USE_REL
576 #endif
577 #ifndef elf_backend_may_use_rela_p
578 #define elf_backend_may_use_rela_p !USE_REL
579 #endif
580 #ifndef elf_backend_default_use_rela_p
581 #define elf_backend_default_use_rela_p !USE_REL
582 #endif
583 #ifndef elf_backend_rela_plts_and_copies_p
584 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
585 #endif
586
587 #ifndef elf_backend_rela_normal
588 #define elf_backend_rela_normal 0
589 #endif
590
591 #ifndef elf_backend_plt_sym_val
592 #define elf_backend_plt_sym_val NULL
593 #endif
594 #ifndef elf_backend_relplt_name
595 #define elf_backend_relplt_name NULL
596 #endif
597
598 #ifndef ELF_MACHINE_ALT1
599 #define ELF_MACHINE_ALT1 0
600 #endif
601
602 #ifndef ELF_MACHINE_ALT2
603 #define ELF_MACHINE_ALT2 0
604 #endif
605
606 #ifndef elf_backend_size_info
607 #define elf_backend_size_info _bfd_elfNN_size_info
608 #endif
609
610 #ifndef elf_backend_special_sections
611 #define elf_backend_special_sections NULL
612 #endif
613
614 #ifndef elf_backend_sign_extend_vma
615 #define elf_backend_sign_extend_vma 0
616 #endif
617
618 #ifndef elf_backend_link_order_error_handler
619 #define elf_backend_link_order_error_handler _bfd_default_error_handler
620 #endif
621
622 #ifndef elf_backend_common_definition
623 #define elf_backend_common_definition _bfd_elf_common_definition
624 #endif
625
626 #ifndef elf_backend_common_section_index
627 #define elf_backend_common_section_index _bfd_elf_common_section_index
628 #endif
629
630 #ifndef elf_backend_common_section
631 #define elf_backend_common_section _bfd_elf_common_section
632 #endif
633
634 #ifndef elf_backend_merge_symbol
635 #define elf_backend_merge_symbol NULL
636 #endif
637
638 #ifndef elf_backend_hash_symbol
639 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
640 #endif
641
642 #ifndef elf_backend_is_function_type
643 #define elf_backend_is_function_type _bfd_elf_is_function_type
644 #endif
645
646 extern const struct elf_size_info _bfd_elfNN_size_info;
647
648 static struct elf_backend_data elfNN_bed =
649 {
650   ELF_ARCH,                     /* arch */
651   ELF_TARGET_ID,                /* target_id */
652   ELF_MACHINE_CODE,             /* elf_machine_code */
653   ELF_OSABI,                    /* elf_osabi  */
654   ELF_MAXPAGESIZE,              /* maxpagesize */
655   ELF_MINPAGESIZE,              /* minpagesize */
656   ELF_COMMONPAGESIZE,           /* commonpagesize */
657   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
658   elf_info_to_howto,
659   elf_info_to_howto_rel,
660   elf_backend_sym_is_global,
661   elf_backend_object_p,
662   elf_backend_symbol_processing,
663   elf_backend_symbol_table_processing,
664   elf_backend_get_symbol_type,
665   elf_backend_archive_symbol_lookup,
666   elf_backend_name_local_section_symbols,
667   elf_backend_section_processing,
668   elf_backend_section_from_shdr,
669   elf_backend_section_flags,
670   elf_backend_get_sec_type_attr,
671   elf_backend_section_from_phdr,
672   elf_backend_fake_sections,
673   elf_backend_section_from_bfd_section,
674   elf_backend_add_symbol_hook,
675   elf_backend_link_output_symbol_hook,
676   elf_backend_create_dynamic_sections,
677   elf_backend_omit_section_dynsym,
678   elf_backend_relocs_compatible,
679   elf_backend_check_relocs,
680   elf_backend_check_directives,
681   elf_backend_as_needed_cleanup,
682   elf_backend_adjust_dynamic_symbol,
683   elf_backend_always_size_sections,
684   elf_backend_size_dynamic_sections,
685   elf_backend_init_index_section,
686   elf_backend_relocate_section,
687   elf_backend_finish_dynamic_symbol,
688   elf_backend_finish_dynamic_sections,
689   elf_backend_begin_write_processing,
690   elf_backend_final_write_processing,
691   elf_backend_additional_program_headers,
692   elf_backend_modify_segment_map,
693   elf_backend_modify_program_headers,
694   elf_backend_gc_keep,
695   elf_backend_gc_mark_dynamic_ref,
696   elf_backend_gc_mark_hook,
697   elf_backend_gc_mark_extra_sections,
698   elf_backend_gc_sweep_hook,
699   elf_backend_post_process_headers,
700   elf_backend_print_symbol_all,
701   elf_backend_output_arch_local_syms,
702   elf_backend_output_arch_syms,
703   elf_backend_copy_indirect_symbol,
704   elf_backend_hide_symbol,
705   elf_backend_fixup_symbol,
706   elf_backend_merge_symbol_attribute,
707   elf_backend_get_target_dtag,
708   elf_backend_ignore_undef_symbol,
709   elf_backend_emit_relocs,
710   elf_backend_count_relocs,
711   elf_backend_grok_prstatus,
712   elf_backend_grok_psinfo,
713   elf_backend_write_core_note,
714   elf_backend_reloc_type_class,
715   elf_backend_discard_info,
716   elf_backend_ignore_discarded_relocs,
717   elf_backend_action_discarded,
718   elf_backend_eh_frame_address_size,
719   elf_backend_can_make_relative_eh_frame,
720   elf_backend_can_make_lsda_relative_eh_frame,
721   elf_backend_encode_eh_address,
722   elf_backend_write_section,
723   elf_backend_mips_irix_compat,
724   elf_backend_mips_rtype_to_howto,
725   elf_backend_ecoff_debug_swap,
726   elf_backend_bfd_from_remote_memory,
727   elf_backend_plt_sym_val,
728   elf_backend_common_definition,
729   elf_backend_common_section_index,
730   elf_backend_common_section,
731   elf_backend_merge_symbol,
732   elf_backend_hash_symbol,
733   elf_backend_is_function_type,
734   elf_backend_link_order_error_handler,
735   elf_backend_relplt_name,
736   ELF_MACHINE_ALT1,
737   ELF_MACHINE_ALT2,
738   &elf_backend_size_info,
739   elf_backend_special_sections,
740   elf_backend_got_header_size,
741   elf_backend_got_elt_size,
742   elf_backend_obj_attrs_vendor,
743   elf_backend_obj_attrs_section,
744   elf_backend_obj_attrs_arg_type,
745   elf_backend_obj_attrs_section_type,
746   elf_backend_obj_attrs_order,
747   elf_backend_obj_attrs_handle_unknown,
748   elf_backend_static_tls_alignment,
749   elf_backend_collect,
750   elf_backend_type_change_ok,
751   elf_backend_may_use_rel_p,
752   elf_backend_may_use_rela_p,
753   elf_backend_default_use_rela_p,
754   elf_backend_rela_plts_and_copies_p,
755   elf_backend_rela_normal,
756   elf_backend_sign_extend_vma,
757   elf_backend_want_got_plt,
758   elf_backend_plt_readonly,
759   elf_backend_want_plt_sym,
760   elf_backend_plt_not_loaded,
761   elf_backend_plt_alignment,
762   elf_backend_can_gc_sections,
763   elf_backend_can_refcount,
764   elf_backend_want_got_sym,
765   elf_backend_want_dynbss,
766   elf_backend_want_p_paddr_set_to_zero,
767   elf_backend_default_execstack
768 };
769
770 /* Forward declaration for use when initialising alternative_target field.  */
771 #ifdef TARGET_LITTLE_SYM
772 extern const bfd_target TARGET_LITTLE_SYM;
773 #endif
774
775 #ifdef TARGET_BIG_SYM
776 const bfd_target TARGET_BIG_SYM =
777 {
778   /* name: identify kind of target */
779   TARGET_BIG_NAME,
780
781   /* flavour: general indication about file */
782   bfd_target_elf_flavour,
783
784   /* byteorder: data is big endian */
785   BFD_ENDIAN_BIG,
786
787   /* header_byteorder: header is also big endian */
788   BFD_ENDIAN_BIG,
789
790   /* object_flags: mask of all file flags */
791   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
792    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
793
794   /* section_flags: mask of all section flags */
795   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
796    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
797    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
798
799    /* leading_symbol_char: is the first char of a user symbol
800       predictable, and if so what is it */
801   elf_symbol_leading_char,
802
803   /* ar_pad_char: pad character for filenames within an archive header
804      FIXME:  this really has nothing to do with ELF, this is a characteristic
805      of the archiver and/or os and should be independently tunable */
806   '/',
807
808   /* ar_max_namelen: maximum number of characters in an archive header
809      FIXME:  this really has nothing to do with ELF, this is a characteristic
810      of the archiver and should be independently tunable.  The System V ABI,
811      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
812   15,
813
814   /* Routines to byte-swap various sized integers from the data sections */
815   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
816     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
817     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
818
819   /* Routines to byte-swap various sized integers from the file headers */
820   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
821     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
822     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
823
824   /* bfd_check_format: check the format of a file being read */
825   { _bfd_dummy_target,          /* unknown format */
826     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
827     bfd_elfNN_archive_p,        /* an archive */
828     bfd_elfNN_core_file_p       /* a core file */
829   },
830
831   /* bfd_set_format: set the format of a file being written */
832   { bfd_false,
833     bfd_elfNN_mkobject,
834     bfd_elfNN_mkarchive,
835     bfd_elfNN_mkcorefile
836   },
837
838   /* bfd_write_contents: write cached information into a file being written */
839   { bfd_false,
840     bfd_elfNN_write_object_contents,
841     bfd_elfNN_write_archive_contents,
842     bfd_elfNN_write_corefile_contents,
843   },
844
845   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
846   BFD_JUMP_TABLE_COPY (bfd_elfNN),
847   BFD_JUMP_TABLE_CORE (bfd_elfNN),
848 #ifdef bfd_elfNN_archive_functions
849   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
850 #else
851   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
852 #endif
853   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
854   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
855   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
856   BFD_JUMP_TABLE_LINK (bfd_elfNN),
857   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
858
859   /* Alternative endian target.  */
860 #ifdef TARGET_LITTLE_SYM
861   & TARGET_LITTLE_SYM,
862 #else
863   NULL,
864 #endif
865
866   /* backend_data: */
867   &elfNN_bed
868 };
869 #endif
870
871 #ifdef TARGET_LITTLE_SYM
872 const bfd_target TARGET_LITTLE_SYM =
873 {
874   /* name: identify kind of target */
875   TARGET_LITTLE_NAME,
876
877   /* flavour: general indication about file */
878   bfd_target_elf_flavour,
879
880   /* byteorder: data is little endian */
881   BFD_ENDIAN_LITTLE,
882
883   /* header_byteorder: header is also little endian */
884   BFD_ENDIAN_LITTLE,
885
886   /* object_flags: mask of all file flags */
887   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
888    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
889
890   /* section_flags: mask of all section flags */
891   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
892    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
893    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
894
895    /* leading_symbol_char: is the first char of a user symbol
896       predictable, and if so what is it */
897   elf_symbol_leading_char,
898
899   /* ar_pad_char: pad character for filenames within an archive header
900      FIXME:  this really has nothing to do with ELF, this is a characteristic
901      of the archiver and/or os and should be independently tunable */
902   '/',
903
904   /* ar_max_namelen: maximum number of characters in an archive header
905      FIXME:  this really has nothing to do with ELF, this is a characteristic
906      of the archiver and should be independently tunable.  The System V ABI,
907      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
908   15,
909
910   /* Routines to byte-swap various sized integers from the data sections */
911   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
912     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
913     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
914
915   /* Routines to byte-swap various sized integers from the file headers */
916   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
917     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
918     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
919
920   /* bfd_check_format: check the format of a file being read */
921   { _bfd_dummy_target,          /* unknown format */
922     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
923     bfd_elfNN_archive_p,        /* an archive */
924     bfd_elfNN_core_file_p       /* a core file */
925   },
926
927   /* bfd_set_format: set the format of a file being written */
928   { bfd_false,
929     bfd_elfNN_mkobject,
930     bfd_elfNN_mkarchive,
931     bfd_elfNN_mkcorefile
932   },
933
934   /* bfd_write_contents: write cached information into a file being written */
935   { bfd_false,
936     bfd_elfNN_write_object_contents,
937     bfd_elfNN_write_archive_contents,
938     bfd_elfNN_write_corefile_contents,
939   },
940
941   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
942   BFD_JUMP_TABLE_COPY (bfd_elfNN),
943   BFD_JUMP_TABLE_CORE (bfd_elfNN),
944 #ifdef bfd_elfNN_archive_functions
945   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
946 #else
947   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
948 #endif
949   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
950   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
951   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
952   BFD_JUMP_TABLE_LINK (bfd_elfNN),
953   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
954
955   /* Alternative endian target.  */
956 #ifdef TARGET_BIG_SYM
957   & TARGET_BIG_SYM,
958 #else
959   NULL,
960 #endif
961
962   /* backend_data: */
963   &elfNN_bed
964 };
965 #endif