1 /* Target definitions for NN-bit ELF
2 Copyright (C) 1993-2017 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This structure contains everything that BFD knows about a target.
23 It includes things like its byte order, name, what routines to call
24 to do various operations, etc. Every BFD points to a target structure
25 with its "xvec" member.
27 There are two such structures here: one for big-endian machines and
28 one for little-endian machines. */
30 #ifndef bfd_elfNN_close_and_cleanup
31 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
33 #ifndef bfd_elfNN_bfd_free_cached_info
34 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
36 #ifndef bfd_elfNN_get_section_contents
37 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
40 #define bfd_elfNN_canonicalize_dynamic_symtab \
41 _bfd_elf_canonicalize_dynamic_symtab
42 #ifndef bfd_elfNN_get_synthetic_symtab
43 #define bfd_elfNN_get_synthetic_symtab \
44 _bfd_elf_get_synthetic_symtab
46 #ifndef bfd_elfNN_canonicalize_reloc
47 #define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc
49 #ifndef bfd_elfNN_find_nearest_line
50 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
52 #ifndef bfd_elfNN_find_line
53 #define bfd_elfNN_find_line _bfd_elf_find_line
55 #ifndef bfd_elfNN_find_inliner_info
56 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info
58 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
59 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
60 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
61 _bfd_elf_get_dynamic_symtab_upper_bound
62 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno
63 #ifndef bfd_elfNN_get_reloc_upper_bound
64 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
66 #ifndef bfd_elfNN_get_symbol_info
67 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
69 #ifndef bfd_elfNN_get_symbol_version_string
70 #define bfd_elfNN_get_symbol_version_string \
71 _bfd_elf_get_symbol_version_string
73 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab
74 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
75 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
76 #ifndef bfd_elfNN_new_section_hook
77 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
79 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
80 #ifndef bfd_elfNN_set_section_contents
81 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
83 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
84 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
85 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
87 #define bfd_elfNN_get_section_contents_in_window \
88 _bfd_generic_get_section_contents_in_window
90 #ifndef elf_backend_can_refcount
91 #define elf_backend_can_refcount 0
93 #ifndef elf_backend_want_got_plt
94 #define elf_backend_want_got_plt 0
96 #ifndef elf_backend_plt_readonly
97 #define elf_backend_plt_readonly 0
99 #ifndef elf_backend_want_plt_sym
100 #define elf_backend_want_plt_sym 0
102 #ifndef elf_backend_plt_not_loaded
103 #define elf_backend_plt_not_loaded 0
105 #ifndef elf_backend_plt_alignment
106 #define elf_backend_plt_alignment 2
108 #ifndef elf_backend_want_dynbss
109 #define elf_backend_want_dynbss 1
111 #ifndef elf_backend_want_dynrelro
112 #define elf_backend_want_dynrelro 0
114 #ifndef elf_backend_want_p_paddr_set_to_zero
115 #define elf_backend_want_p_paddr_set_to_zero 0
117 #ifndef elf_backend_default_execstack
118 #define elf_backend_default_execstack 1
120 #ifndef elf_backend_caches_rawsize
121 #define elf_backend_caches_rawsize 0
123 #ifndef elf_backend_extern_protected_data
124 #define elf_backend_extern_protected_data 0
126 #ifndef elf_backend_stack_align
127 #define elf_backend_stack_align 16
129 #ifndef elf_backend_strtab_flags
130 #define elf_backend_strtab_flags 0
133 #define bfd_elfNN_bfd_debug_info_start bfd_void
134 #define bfd_elfNN_bfd_debug_info_end bfd_void
135 #define bfd_elfNN_bfd_debug_info_accumulate \
136 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
138 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
139 #define bfd_elfNN_bfd_get_relocated_section_contents \
140 bfd_generic_get_relocated_section_contents
143 #ifndef bfd_elfNN_bfd_relax_section
144 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
147 #ifndef elf_backend_can_gc_sections
148 #define elf_backend_can_gc_sections 0
150 #ifndef elf_backend_can_refcount
151 #define elf_backend_can_refcount 0
153 #ifndef elf_backend_want_got_sym
154 #define elf_backend_want_got_sym 1
156 #ifndef elf_backend_gc_keep
157 #define elf_backend_gc_keep _bfd_elf_gc_keep
159 #ifndef elf_backend_gc_mark_dynamic_ref
160 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
162 #ifndef elf_backend_gc_mark_hook
163 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
165 #ifndef elf_backend_gc_mark_extra_sections
166 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
168 #ifndef elf_backend_gc_sweep_hook
169 #define elf_backend_gc_sweep_hook NULL
171 #ifndef bfd_elfNN_bfd_gc_sections
172 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
175 #ifndef bfd_elfNN_bfd_merge_sections
176 #define bfd_elfNN_bfd_merge_sections \
177 _bfd_elf_merge_sections
180 #ifndef bfd_elfNN_bfd_is_group_section
181 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
184 #ifndef bfd_elfNN_bfd_discard_group
185 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
188 #ifndef bfd_elfNN_section_already_linked
189 #define bfd_elfNN_section_already_linked \
190 _bfd_elf_section_already_linked
193 #ifndef bfd_elfNN_bfd_define_common_symbol
194 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
197 #ifndef bfd_elfNN_bfd_lookup_section_flags
198 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
201 #ifndef bfd_elfNN_bfd_make_debug_symbol
202 #define bfd_elfNN_bfd_make_debug_symbol \
203 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
206 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
207 #define bfd_elfNN_bfd_copy_private_symbol_data \
208 _bfd_elf_copy_private_symbol_data
211 #ifndef bfd_elfNN_bfd_copy_private_section_data
212 #define bfd_elfNN_bfd_copy_private_section_data \
213 _bfd_elf_copy_private_section_data
215 #ifndef bfd_elfNN_bfd_copy_private_header_data
216 #define bfd_elfNN_bfd_copy_private_header_data \
217 _bfd_elf_copy_private_header_data
219 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
220 #define bfd_elfNN_bfd_copy_private_bfd_data \
221 _bfd_elf_copy_private_bfd_data
223 #ifndef bfd_elfNN_bfd_print_private_bfd_data
224 #define bfd_elfNN_bfd_print_private_bfd_data \
225 _bfd_elf_print_private_bfd_data
227 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
228 #define bfd_elfNN_bfd_merge_private_bfd_data \
229 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
231 #ifndef bfd_elfNN_bfd_set_private_flags
232 #define bfd_elfNN_bfd_set_private_flags \
233 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
235 #ifndef bfd_elfNN_bfd_is_local_label_name
236 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
238 #ifndef bfd_elfNN_bfd_is_target_special_symbol
239 #define bfd_elfNN_bfd_is_target_special_symbol \
240 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
243 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
244 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
245 _bfd_elf_get_dynamic_reloc_upper_bound
247 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
248 #define bfd_elfNN_canonicalize_dynamic_reloc \
249 _bfd_elf_canonicalize_dynamic_reloc
252 #ifdef elf_backend_relocate_section
253 #ifndef bfd_elfNN_bfd_link_hash_table_create
254 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
256 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
257 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
258 _bfd_elf_copy_link_hash_symbol_type
260 #ifndef bfd_elfNN_bfd_link_add_symbols
261 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
263 #ifndef bfd_elfNN_bfd_final_link
264 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
266 #else /* ! defined (elf_backend_relocate_section) */
267 /* If no backend relocate_section routine, use the generic linker.
268 Note - this will prevent the port from being able to use some of
269 the other features of the ELF linker, because the generic hash structure
270 does not have the fields needed by the ELF linker. In particular it
271 means that linking directly to S-records will not work. */
272 #ifndef bfd_elfNN_bfd_link_hash_table_create
273 #define bfd_elfNN_bfd_link_hash_table_create \
274 _bfd_generic_link_hash_table_create
276 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
277 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
278 _bfd_generic_copy_link_hash_symbol_type
280 #ifndef bfd_elfNN_bfd_link_add_symbols
281 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
283 #ifndef bfd_elfNN_bfd_final_link
284 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
286 #endif /* ! defined (elf_backend_relocate_section) */
288 #ifndef bfd_elfNN_bfd_link_just_syms
289 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
292 #ifndef bfd_elfNN_bfd_link_split_section
293 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
296 #ifndef bfd_elfNN_bfd_link_check_relocs
297 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
300 #ifndef bfd_elfNN_archive_p
301 #define bfd_elfNN_archive_p bfd_generic_archive_p
304 #ifndef bfd_elfNN_write_archive_contents
305 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
308 #ifndef bfd_elfNN_mkobject
309 #define bfd_elfNN_mkobject bfd_elf_make_object
312 #ifndef bfd_elfNN_mkcorefile
313 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
316 #ifndef bfd_elfNN_mkarchive
317 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
320 #ifndef bfd_elfNN_print_symbol
321 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
324 #ifndef elf_symbol_leading_char
325 #define elf_symbol_leading_char 0
328 #ifndef elf_info_to_howto
329 #define elf_info_to_howto 0
332 #ifndef elf_info_to_howto_rel
333 #define elf_info_to_howto_rel 0
336 #ifndef elf_backend_arch_data
337 #define elf_backend_arch_data NULL
340 #ifndef ELF_TARGET_ID
341 #define ELF_TARGET_ID GENERIC_ELF_DATA
345 #define ELF_OSABI ELFOSABI_NONE
348 #ifndef ELF_MAXPAGESIZE
349 # error ELF_MAXPAGESIZE is not defined
350 #define ELF_MAXPAGESIZE 1
353 #ifndef ELF_COMMONPAGESIZE
354 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
357 #ifndef ELF_MINPAGESIZE
358 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
361 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
362 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
364 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
365 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
368 #ifndef ELF_DYNAMIC_SEC_FLAGS
369 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
370 #define ELF_DYNAMIC_SEC_FLAGS \
371 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
372 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
375 #ifndef elf_backend_collect
376 #define elf_backend_collect FALSE
378 #ifndef elf_backend_type_change_ok
379 #define elf_backend_type_change_ok FALSE
382 #ifndef elf_backend_sym_is_global
383 #define elf_backend_sym_is_global 0
385 #ifndef elf_backend_object_p
386 #define elf_backend_object_p 0
388 #ifndef elf_backend_symbol_processing
389 #define elf_backend_symbol_processing 0
391 #ifndef elf_backend_symbol_table_processing
392 #define elf_backend_symbol_table_processing 0
394 #ifndef elf_backend_get_symbol_type
395 #define elf_backend_get_symbol_type 0
397 #ifndef elf_backend_archive_symbol_lookup
398 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
400 #ifndef elf_backend_name_local_section_symbols
401 #define elf_backend_name_local_section_symbols 0
403 #ifndef elf_backend_section_processing
404 #define elf_backend_section_processing 0
406 #ifndef elf_backend_section_from_shdr
407 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
409 #ifndef elf_backend_section_flags
410 #define elf_backend_section_flags 0
412 #ifndef elf_backend_get_sec_type_attr
413 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
415 #ifndef elf_backend_section_from_phdr
416 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
418 #ifndef elf_backend_fake_sections
419 #define elf_backend_fake_sections 0
421 #ifndef elf_backend_section_from_bfd_section
422 #define elf_backend_section_from_bfd_section 0
424 #ifndef elf_backend_add_symbol_hook
425 #define elf_backend_add_symbol_hook 0
427 #ifndef elf_backend_link_output_symbol_hook
428 #define elf_backend_link_output_symbol_hook 0
430 #ifndef elf_backend_create_dynamic_sections
431 #define elf_backend_create_dynamic_sections 0
433 #ifndef elf_backend_omit_section_dynsym
434 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
436 #ifndef elf_backend_relocs_compatible
437 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
439 #ifndef elf_backend_check_relocs
440 #define elf_backend_check_relocs 0
442 #ifndef elf_backend_check_directives
443 #define elf_backend_check_directives 0
445 #ifndef elf_backend_notice_as_needed
446 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
448 #ifndef elf_backend_adjust_dynamic_symbol
449 #define elf_backend_adjust_dynamic_symbol 0
451 #ifndef elf_backend_always_size_sections
452 #define elf_backend_always_size_sections 0
454 #ifndef elf_backend_size_dynamic_sections
455 #define elf_backend_size_dynamic_sections 0
457 #ifndef elf_backend_init_index_section
458 #define elf_backend_init_index_section \
459 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
461 #ifndef elf_backend_relocate_section
462 #define elf_backend_relocate_section 0
464 #ifndef elf_backend_finish_dynamic_symbol
465 #define elf_backend_finish_dynamic_symbol 0
467 #ifndef elf_backend_finish_dynamic_sections
468 #define elf_backend_finish_dynamic_sections 0
470 #ifndef elf_backend_begin_write_processing
471 #define elf_backend_begin_write_processing 0
473 #ifndef elf_backend_final_write_processing
474 #define elf_backend_final_write_processing 0
476 #ifndef elf_backend_additional_program_headers
477 #define elf_backend_additional_program_headers 0
479 #ifndef elf_backend_modify_segment_map
480 #define elf_backend_modify_segment_map 0
482 #ifndef elf_backend_modify_program_headers
483 #define elf_backend_modify_program_headers 0
485 #ifndef elf_backend_allow_non_load_phdr
486 #define elf_backend_allow_non_load_phdr \
487 ((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
489 #ifndef elf_backend_ecoff_debug_swap
490 #define elf_backend_ecoff_debug_swap 0
492 #ifndef elf_backend_bfd_from_remote_memory
493 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
495 #ifndef elf_backend_got_header_size
496 #define elf_backend_got_header_size 0
498 #ifndef elf_backend_got_elt_size
499 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
501 #ifndef elf_backend_obj_attrs_vendor
502 #define elf_backend_obj_attrs_vendor NULL
504 #ifndef elf_backend_obj_attrs_section
505 #define elf_backend_obj_attrs_section NULL
507 #ifndef elf_backend_obj_attrs_arg_type
508 #define elf_backend_obj_attrs_arg_type NULL
510 #ifndef elf_backend_obj_attrs_section_type
511 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
513 #ifndef elf_backend_obj_attrs_order
514 #define elf_backend_obj_attrs_order NULL
516 #ifndef elf_backend_obj_attrs_handle_unknown
517 #define elf_backend_obj_attrs_handle_unknown NULL
519 #ifndef elf_backend_static_tls_alignment
520 #define elf_backend_static_tls_alignment 1
522 #ifndef elf_backend_post_process_headers
523 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
525 #ifndef elf_backend_print_symbol_all
526 #define elf_backend_print_symbol_all NULL
528 #ifndef elf_backend_output_arch_local_syms
529 #define elf_backend_output_arch_local_syms NULL
531 #ifndef elf_backend_output_arch_syms
532 #define elf_backend_output_arch_syms NULL
534 #ifndef elf_backend_filter_implib_symbols
535 #define elf_backend_filter_implib_symbols NULL
537 #ifndef elf_backend_copy_indirect_symbol
538 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
540 #ifndef elf_backend_hide_symbol
541 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
543 #ifndef elf_backend_fixup_symbol
544 #define elf_backend_fixup_symbol NULL
546 #ifndef elf_backend_merge_symbol_attribute
547 #define elf_backend_merge_symbol_attribute NULL
549 #ifndef elf_backend_get_target_dtag
550 #define elf_backend_get_target_dtag NULL
552 #ifndef elf_backend_ignore_undef_symbol
553 #define elf_backend_ignore_undef_symbol NULL
555 #ifndef elf_backend_emit_relocs
556 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
558 #ifndef elf_backend_update_relocs
559 #define elf_backend_update_relocs NULL
561 #ifndef elf_backend_count_relocs
562 #define elf_backend_count_relocs NULL
564 #ifndef elf_backend_count_additional_relocs
565 #define elf_backend_count_additional_relocs NULL
567 #ifndef elf_backend_sort_relocs_p
568 #define elf_backend_sort_relocs_p NULL
570 #ifndef elf_backend_grok_prstatus
571 #define elf_backend_grok_prstatus NULL
573 #ifndef elf_backend_grok_psinfo
574 #define elf_backend_grok_psinfo NULL
576 #ifndef elf_backend_write_core_note
577 #define elf_backend_write_core_note NULL
579 #ifndef elf_backend_lookup_section_flags_hook
580 #define elf_backend_lookup_section_flags_hook NULL
582 #ifndef elf_backend_reloc_type_class
583 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
585 #ifndef elf_backend_discard_info
586 #define elf_backend_discard_info NULL
588 #ifndef elf_backend_ignore_discarded_relocs
589 #define elf_backend_ignore_discarded_relocs NULL
591 #ifndef elf_backend_action_discarded
592 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
594 #ifndef elf_backend_eh_frame_address_size
595 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
597 #ifndef elf_backend_can_make_relative_eh_frame
598 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
600 #ifndef elf_backend_can_make_lsda_relative_eh_frame
601 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
603 #ifndef elf_backend_encode_eh_address
604 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
606 #ifndef elf_backend_write_section
607 #define elf_backend_write_section NULL
609 #ifndef elf_backend_mips_irix_compat
610 #define elf_backend_mips_irix_compat NULL
612 #ifndef elf_backend_mips_rtype_to_howto
613 #define elf_backend_mips_rtype_to_howto NULL
616 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
617 sections, but not both. They defined USE_REL to indicate SHT_REL
618 sections, and left it undefined to indicated SHT_RELA sections.
619 For backwards compatibility, we still support this usage. */
624 /* Use these in new code. */
625 #ifndef elf_backend_may_use_rel_p
626 #define elf_backend_may_use_rel_p USE_REL
628 #ifndef elf_backend_may_use_rela_p
629 #define elf_backend_may_use_rela_p !USE_REL
631 #ifndef elf_backend_default_use_rela_p
632 #define elf_backend_default_use_rela_p !USE_REL
634 #ifndef elf_backend_rela_plts_and_copies_p
635 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
638 #ifndef elf_backend_rela_normal
639 #define elf_backend_rela_normal 0
642 #ifndef elf_backend_dtrel_excludes_plt
643 #define elf_backend_dtrel_excludes_plt 0
646 #ifndef elf_backend_plt_sym_val
647 #define elf_backend_plt_sym_val NULL
649 #ifndef elf_backend_relplt_name
650 #define elf_backend_relplt_name NULL
653 #ifndef ELF_MACHINE_ALT1
654 #define ELF_MACHINE_ALT1 0
657 #ifndef ELF_MACHINE_ALT2
658 #define ELF_MACHINE_ALT2 0
661 #ifndef elf_backend_size_info
662 #define elf_backend_size_info _bfd_elfNN_size_info
665 #ifndef elf_backend_special_sections
666 #define elf_backend_special_sections NULL
669 #ifndef elf_backend_sign_extend_vma
670 #define elf_backend_sign_extend_vma 0
673 #ifndef elf_backend_link_order_error_handler
674 #define elf_backend_link_order_error_handler _bfd_error_handler
677 #ifndef elf_backend_common_definition
678 #define elf_backend_common_definition _bfd_elf_common_definition
681 #ifndef elf_backend_common_section_index
682 #define elf_backend_common_section_index _bfd_elf_common_section_index
685 #ifndef elf_backend_common_section
686 #define elf_backend_common_section _bfd_elf_common_section
689 #ifndef elf_backend_merge_symbol
690 #define elf_backend_merge_symbol NULL
693 #ifndef elf_backend_hash_symbol
694 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
697 #ifndef elf_backend_is_function_type
698 #define elf_backend_is_function_type _bfd_elf_is_function_type
701 #ifndef elf_backend_maybe_function_sym
702 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
705 #ifndef elf_backend_get_reloc_section
706 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
709 #ifndef elf_backend_copy_special_section_fields
710 #define elf_backend_copy_special_section_fields NULL
713 #ifndef elf_backend_compact_eh_encoding
714 #define elf_backend_compact_eh_encoding NULL
717 #ifndef elf_backend_cant_unwind_opcode
718 #define elf_backend_cant_unwind_opcode 0
721 #ifndef elf_match_priority
722 #define elf_match_priority \
723 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
726 extern const struct elf_size_info _bfd_elfNN_size_info
;
728 static struct elf_backend_data elfNN_bed
=
731 ELF_TARGET_ID
, /* target_id */
732 ELF_MACHINE_CODE
, /* elf_machine_code */
733 ELF_OSABI
, /* elf_osabi */
734 ELF_MAXPAGESIZE
, /* maxpagesize */
735 ELF_MINPAGESIZE
, /* minpagesize */
736 ELF_COMMONPAGESIZE
, /* commonpagesize */
737 ELF_DYNAMIC_SEC_FLAGS
, /* dynamic_sec_flags */
738 elf_backend_arch_data
,
740 elf_info_to_howto_rel
,
741 elf_backend_sym_is_global
,
742 elf_backend_object_p
,
743 elf_backend_symbol_processing
,
744 elf_backend_symbol_table_processing
,
745 elf_backend_get_symbol_type
,
746 elf_backend_archive_symbol_lookup
,
747 elf_backend_name_local_section_symbols
,
748 elf_backend_section_processing
,
749 elf_backend_section_from_shdr
,
750 elf_backend_section_flags
,
751 elf_backend_get_sec_type_attr
,
752 elf_backend_section_from_phdr
,
753 elf_backend_fake_sections
,
754 elf_backend_section_from_bfd_section
,
755 elf_backend_add_symbol_hook
,
756 elf_backend_link_output_symbol_hook
,
757 elf_backend_create_dynamic_sections
,
758 elf_backend_omit_section_dynsym
,
759 elf_backend_relocs_compatible
,
760 elf_backend_check_relocs
,
761 elf_backend_check_directives
,
762 elf_backend_notice_as_needed
,
763 elf_backend_adjust_dynamic_symbol
,
764 elf_backend_always_size_sections
,
765 elf_backend_size_dynamic_sections
,
766 elf_backend_init_index_section
,
767 elf_backend_relocate_section
,
768 elf_backend_finish_dynamic_symbol
,
769 elf_backend_finish_dynamic_sections
,
770 elf_backend_begin_write_processing
,
771 elf_backend_final_write_processing
,
772 elf_backend_additional_program_headers
,
773 elf_backend_modify_segment_map
,
774 elf_backend_modify_program_headers
,
775 elf_backend_allow_non_load_phdr
,
777 elf_backend_gc_mark_dynamic_ref
,
778 elf_backend_gc_mark_hook
,
779 elf_backend_gc_mark_extra_sections
,
780 elf_backend_gc_sweep_hook
,
781 elf_backend_post_process_headers
,
782 elf_backend_print_symbol_all
,
783 elf_backend_output_arch_local_syms
,
784 elf_backend_output_arch_syms
,
785 elf_backend_filter_implib_symbols
,
786 elf_backend_copy_indirect_symbol
,
787 elf_backend_hide_symbol
,
788 elf_backend_fixup_symbol
,
789 elf_backend_merge_symbol_attribute
,
790 elf_backend_get_target_dtag
,
791 elf_backend_ignore_undef_symbol
,
792 elf_backend_emit_relocs
,
793 elf_backend_update_relocs
,
794 elf_backend_count_relocs
,
795 elf_backend_count_additional_relocs
,
796 elf_backend_sort_relocs_p
,
797 elf_backend_grok_prstatus
,
798 elf_backend_grok_psinfo
,
799 elf_backend_write_core_note
,
800 elf_backend_lookup_section_flags_hook
,
801 elf_backend_reloc_type_class
,
802 elf_backend_discard_info
,
803 elf_backend_ignore_discarded_relocs
,
804 elf_backend_action_discarded
,
805 elf_backend_eh_frame_address_size
,
806 elf_backend_can_make_relative_eh_frame
,
807 elf_backend_can_make_lsda_relative_eh_frame
,
808 elf_backend_encode_eh_address
,
809 elf_backend_write_section
,
810 elf_backend_mips_irix_compat
,
811 elf_backend_mips_rtype_to_howto
,
812 elf_backend_ecoff_debug_swap
,
813 elf_backend_bfd_from_remote_memory
,
814 elf_backend_plt_sym_val
,
815 elf_backend_common_definition
,
816 elf_backend_common_section_index
,
817 elf_backend_common_section
,
818 elf_backend_merge_symbol
,
819 elf_backend_hash_symbol
,
820 elf_backend_is_function_type
,
821 elf_backend_maybe_function_sym
,
822 elf_backend_get_reloc_section
,
823 elf_backend_copy_special_section_fields
,
824 elf_backend_link_order_error_handler
,
825 elf_backend_relplt_name
,
828 &elf_backend_size_info
,
829 elf_backend_special_sections
,
830 elf_backend_got_header_size
,
831 elf_backend_got_elt_size
,
832 elf_backend_obj_attrs_vendor
,
833 elf_backend_obj_attrs_section
,
834 elf_backend_obj_attrs_arg_type
,
835 elf_backend_obj_attrs_section_type
,
836 elf_backend_obj_attrs_order
,
837 elf_backend_obj_attrs_handle_unknown
,
838 elf_backend_compact_eh_encoding
,
839 elf_backend_cant_unwind_opcode
,
840 elf_backend_static_tls_alignment
,
841 elf_backend_stack_align
,
842 elf_backend_strtab_flags
,
844 elf_backend_type_change_ok
,
845 elf_backend_may_use_rel_p
,
846 elf_backend_may_use_rela_p
,
847 elf_backend_default_use_rela_p
,
848 elf_backend_rela_plts_and_copies_p
,
849 elf_backend_rela_normal
,
850 elf_backend_dtrel_excludes_plt
,
851 elf_backend_sign_extend_vma
,
852 elf_backend_want_got_plt
,
853 elf_backend_plt_readonly
,
854 elf_backend_want_plt_sym
,
855 elf_backend_plt_not_loaded
,
856 elf_backend_plt_alignment
,
857 elf_backend_can_gc_sections
,
858 elf_backend_can_refcount
,
859 elf_backend_want_got_sym
,
860 elf_backend_want_dynbss
,
861 elf_backend_want_dynrelro
,
862 elf_backend_want_p_paddr_set_to_zero
,
863 elf_backend_default_execstack
,
864 elf_backend_caches_rawsize
,
865 elf_backend_extern_protected_data
868 /* Forward declaration for use when initialising alternative_target field. */
869 #ifdef TARGET_LITTLE_SYM
870 extern const bfd_target TARGET_LITTLE_SYM
;
873 #ifdef TARGET_BIG_SYM
874 const bfd_target TARGET_BIG_SYM
=
876 /* name: identify kind of target */
879 /* flavour: general indication about file */
880 bfd_target_elf_flavour
,
882 /* byteorder: data is big endian */
885 /* header_byteorder: header is also big endian */
888 /* object_flags: mask of all file flags */
889 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
890 | DYNAMIC
| WP_TEXT
| D_PAGED
| BFD_COMPRESS
| BFD_DECOMPRESS
891 | BFD_COMPRESS_GABI
| BFD_CONVERT_ELF_COMMON
| BFD_USE_ELF_STT_COMMON
),
893 /* section_flags: mask of all section flags */
894 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
895 | SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
896 | SEC_SMALL_DATA
| SEC_MERGE
| SEC_STRINGS
| SEC_GROUP
),
898 /* leading_symbol_char: is the first char of a user symbol
899 predictable, and if so what is it */
900 elf_symbol_leading_char
,
902 /* ar_pad_char: pad character for filenames within an archive header
903 FIXME: this really has nothing to do with ELF, this is a characteristic
904 of the archiver and/or os and should be independently tunable */
907 /* ar_max_namelen: maximum number of characters in an archive header
908 FIXME: this really has nothing to do with ELF, this is a characteristic
909 of the archiver and should be independently tunable. The System V ABI,
910 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
915 /* Routines to byte-swap various sized integers from the data sections */
916 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
917 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
918 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
920 /* Routines to byte-swap various sized integers from the file headers */
921 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
922 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
923 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
925 /* bfd_check_format: check the format of a file being read */
926 { _bfd_dummy_target
, /* unknown format */
927 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
928 bfd_elfNN_archive_p
, /* an archive */
929 bfd_elfNN_core_file_p
/* a core file */
932 /* bfd_set_format: set the format of a file being written */
939 /* bfd_write_contents: write cached information into a file being written */
941 bfd_elfNN_write_object_contents
,
942 bfd_elfNN_write_archive_contents
,
943 bfd_elfNN_write_corefile_contents
,
946 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
947 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
948 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
949 #ifdef bfd_elfNN_archive_functions
950 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
951 #elif defined USE_64_BIT_ARCHIVE
952 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit
),
954 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
956 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
957 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
958 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
959 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
960 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
962 /* Alternative endian target. */
963 #ifdef TARGET_LITTLE_SYM
974 #ifdef TARGET_LITTLE_SYM
975 const bfd_target TARGET_LITTLE_SYM
=
977 /* name: identify kind of target */
980 /* flavour: general indication about file */
981 bfd_target_elf_flavour
,
983 /* byteorder: data is little endian */
986 /* header_byteorder: header is also little endian */
989 /* object_flags: mask of all file flags */
990 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
991 | DYNAMIC
| WP_TEXT
| D_PAGED
| BFD_COMPRESS
| BFD_DECOMPRESS
992 | BFD_COMPRESS_GABI
| BFD_CONVERT_ELF_COMMON
| BFD_USE_ELF_STT_COMMON
),
994 /* section_flags: mask of all section flags */
995 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
996 | SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
997 | SEC_SMALL_DATA
| SEC_MERGE
| SEC_STRINGS
| SEC_GROUP
),
999 /* leading_symbol_char: is the first char of a user symbol
1000 predictable, and if so what is it */
1001 elf_symbol_leading_char
,
1003 /* ar_pad_char: pad character for filenames within an archive header
1004 FIXME: this really has nothing to do with ELF, this is a characteristic
1005 of the archiver and/or os and should be independently tunable */
1008 /* ar_max_namelen: maximum number of characters in an archive header
1009 FIXME: this really has nothing to do with ELF, this is a characteristic
1010 of the archiver and should be independently tunable. The System V ABI,
1011 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1016 /* Routines to byte-swap various sized integers from the data sections */
1017 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
1018 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
1019 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
1021 /* Routines to byte-swap various sized integers from the file headers */
1022 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
1023 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
1024 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
1026 /* bfd_check_format: check the format of a file being read */
1027 { _bfd_dummy_target
, /* unknown format */
1028 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
1029 bfd_elfNN_archive_p
, /* an archive */
1030 bfd_elfNN_core_file_p
/* a core file */
1033 /* bfd_set_format: set the format of a file being written */
1036 bfd_elfNN_mkarchive
,
1037 bfd_elfNN_mkcorefile
1040 /* bfd_write_contents: write cached information into a file being written */
1042 bfd_elfNN_write_object_contents
,
1043 bfd_elfNN_write_archive_contents
,
1044 bfd_elfNN_write_corefile_contents
,
1047 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
1048 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
1049 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
1050 #ifdef bfd_elfNN_archive_functions
1051 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
1052 #elif defined USE_64_BIT_ARCHIVE
1053 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit
),
1055 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
1057 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
1058 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
1059 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
1060 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
1061 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
1063 /* Alternative endian target. */
1064 #ifdef TARGET_BIG_SYM