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_set_reloc
50 #define bfd_elfNN_set_reloc _bfd_generic_set_reloc
52 #ifndef bfd_elfNN_find_nearest_line
53 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
55 #ifndef bfd_elfNN_find_line
56 #define bfd_elfNN_find_line _bfd_elf_find_line
58 #ifndef bfd_elfNN_find_inliner_info
59 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info
61 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
62 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
63 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
64 _bfd_elf_get_dynamic_symtab_upper_bound
65 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno
66 #ifndef bfd_elfNN_get_reloc_upper_bound
67 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
69 #ifndef bfd_elfNN_get_symbol_info
70 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
72 #ifndef bfd_elfNN_get_symbol_version_string
73 #define bfd_elfNN_get_symbol_version_string \
74 _bfd_elf_get_symbol_version_string
76 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab
77 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
78 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
79 #ifndef bfd_elfNN_new_section_hook
80 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
82 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
83 #ifndef bfd_elfNN_set_section_contents
84 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
86 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
87 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
88 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
90 #define bfd_elfNN_get_section_contents_in_window \
91 _bfd_generic_get_section_contents_in_window
93 #ifndef elf_backend_can_refcount
94 #define elf_backend_can_refcount 0
96 #ifndef elf_backend_want_got_plt
97 #define elf_backend_want_got_plt 0
99 #ifndef elf_backend_plt_readonly
100 #define elf_backend_plt_readonly 0
102 #ifndef elf_backend_want_plt_sym
103 #define elf_backend_want_plt_sym 0
105 #ifndef elf_backend_plt_not_loaded
106 #define elf_backend_plt_not_loaded 0
108 #ifndef elf_backend_plt_alignment
109 #define elf_backend_plt_alignment 2
111 #ifndef elf_backend_want_dynbss
112 #define elf_backend_want_dynbss 1
114 #ifndef elf_backend_want_dynrelro
115 #define elf_backend_want_dynrelro 0
117 #ifndef elf_backend_want_p_paddr_set_to_zero
118 #define elf_backend_want_p_paddr_set_to_zero 0
120 #ifndef elf_backend_no_page_alias
121 #define elf_backend_no_page_alias 0
123 #ifndef elf_backend_default_execstack
124 #define elf_backend_default_execstack 1
126 #ifndef elf_backend_caches_rawsize
127 #define elf_backend_caches_rawsize 0
129 #ifndef elf_backend_extern_protected_data
130 #define elf_backend_extern_protected_data 0
132 #ifndef elf_backend_always_renumber_dynsyms
133 #define elf_backend_always_renumber_dynsyms FALSE
135 #ifndef elf_backend_linux_prpsinfo32_ugid16
136 #define elf_backend_linux_prpsinfo32_ugid16 FALSE
138 #ifndef elf_backend_stack_align
139 #define elf_backend_stack_align 16
141 #ifndef elf_backend_strtab_flags
142 #define elf_backend_strtab_flags 0
145 #define bfd_elfNN_bfd_debug_info_start bfd_void
146 #define bfd_elfNN_bfd_debug_info_end bfd_void
147 #define bfd_elfNN_bfd_debug_info_accumulate \
148 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
150 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
151 #define bfd_elfNN_bfd_get_relocated_section_contents \
152 bfd_generic_get_relocated_section_contents
155 #ifndef bfd_elfNN_bfd_relax_section
156 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
159 #ifndef elf_backend_can_gc_sections
160 #define elf_backend_can_gc_sections 0
162 #ifndef elf_backend_can_refcount
163 #define elf_backend_can_refcount 0
165 #ifndef elf_backend_want_got_sym
166 #define elf_backend_want_got_sym 1
168 #ifndef elf_backend_gc_keep
169 #define elf_backend_gc_keep _bfd_elf_gc_keep
171 #ifndef elf_backend_gc_mark_dynamic_ref
172 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
174 #ifndef elf_backend_gc_mark_hook
175 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
177 #ifndef elf_backend_gc_mark_extra_sections
178 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
180 #ifndef elf_backend_gc_sweep_hook
181 #define elf_backend_gc_sweep_hook NULL
183 #ifndef bfd_elfNN_bfd_gc_sections
184 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
187 #ifndef bfd_elfNN_bfd_merge_sections
188 #define bfd_elfNN_bfd_merge_sections \
189 _bfd_elf_merge_sections
192 #ifndef bfd_elfNN_bfd_is_group_section
193 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
196 #ifndef bfd_elfNN_bfd_discard_group
197 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
200 #ifndef bfd_elfNN_section_already_linked
201 #define bfd_elfNN_section_already_linked \
202 _bfd_elf_section_already_linked
205 #ifndef bfd_elfNN_bfd_define_common_symbol
206 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
209 #ifndef bfd_elfNN_bfd_lookup_section_flags
210 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
213 #ifndef bfd_elfNN_bfd_make_debug_symbol
214 #define bfd_elfNN_bfd_make_debug_symbol \
215 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
218 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
219 #define bfd_elfNN_bfd_copy_private_symbol_data \
220 _bfd_elf_copy_private_symbol_data
223 #ifndef bfd_elfNN_bfd_copy_private_section_data
224 #define bfd_elfNN_bfd_copy_private_section_data \
225 _bfd_elf_copy_private_section_data
227 #ifndef bfd_elfNN_bfd_copy_private_header_data
228 #define bfd_elfNN_bfd_copy_private_header_data \
229 _bfd_elf_copy_private_header_data
231 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
232 #define bfd_elfNN_bfd_copy_private_bfd_data \
233 _bfd_elf_copy_private_bfd_data
235 #ifndef bfd_elfNN_bfd_print_private_bfd_data
236 #define bfd_elfNN_bfd_print_private_bfd_data \
237 _bfd_elf_print_private_bfd_data
239 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
240 #define bfd_elfNN_bfd_merge_private_bfd_data \
241 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
243 #ifndef bfd_elfNN_bfd_set_private_flags
244 #define bfd_elfNN_bfd_set_private_flags \
245 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
247 #ifndef bfd_elfNN_bfd_is_local_label_name
248 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
250 #ifndef bfd_elfNN_bfd_is_target_special_symbol
251 #define bfd_elfNN_bfd_is_target_special_symbol \
252 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
255 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
256 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
257 _bfd_elf_get_dynamic_reloc_upper_bound
259 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
260 #define bfd_elfNN_canonicalize_dynamic_reloc \
261 _bfd_elf_canonicalize_dynamic_reloc
264 #ifdef elf_backend_relocate_section
265 #ifndef bfd_elfNN_bfd_link_hash_table_create
266 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
268 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
269 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
270 _bfd_elf_copy_link_hash_symbol_type
272 #ifndef bfd_elfNN_bfd_link_add_symbols
273 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
275 #ifndef bfd_elfNN_bfd_define_start_stop
276 #define bfd_elfNN_bfd_define_start_stop bfd_elf_define_start_stop
278 #ifndef bfd_elfNN_bfd_final_link
279 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
281 #else /* ! defined (elf_backend_relocate_section) */
282 /* If no backend relocate_section routine, use the generic linker.
283 Note - this will prevent the port from being able to use some of
284 the other features of the ELF linker, because the generic hash structure
285 does not have the fields needed by the ELF linker. In particular it
286 means that linking directly to S-records will not work. */
287 #ifndef bfd_elfNN_bfd_link_hash_table_create
288 #define bfd_elfNN_bfd_link_hash_table_create \
289 _bfd_generic_link_hash_table_create
291 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
292 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
293 _bfd_generic_copy_link_hash_symbol_type
295 #ifndef bfd_elfNN_bfd_link_add_symbols
296 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
298 #ifndef bfd_elfNN_bfd_define_start_stop
299 #define bfd_elfNN_bfd_define_start_stop bfd_generic_define_start_stop
301 #ifndef bfd_elfNN_bfd_final_link
302 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
304 #endif /* ! defined (elf_backend_relocate_section) */
306 #ifndef bfd_elfNN_bfd_link_just_syms
307 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
310 #ifndef bfd_elfNN_bfd_link_split_section
311 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
314 #ifndef bfd_elfNN_bfd_link_check_relocs
315 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
318 #ifndef bfd_elfNN_archive_p
319 #define bfd_elfNN_archive_p bfd_generic_archive_p
322 #ifndef bfd_elfNN_write_archive_contents
323 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
326 #ifndef bfd_elfNN_mkobject
327 #define bfd_elfNN_mkobject bfd_elf_make_object
330 #ifndef bfd_elfNN_mkcorefile
331 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
334 #ifndef bfd_elfNN_mkarchive
335 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
338 #ifndef bfd_elfNN_print_symbol
339 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
342 #ifndef elf_symbol_leading_char
343 #define elf_symbol_leading_char 0
346 #ifndef elf_info_to_howto
347 #define elf_info_to_howto 0
350 #ifndef elf_info_to_howto_rel
351 #define elf_info_to_howto_rel 0
354 #ifndef elf_backend_arch_data
355 #define elf_backend_arch_data NULL
358 #ifndef ELF_TARGET_ID
359 #define ELF_TARGET_ID GENERIC_ELF_DATA
363 #define ELF_OSABI ELFOSABI_NONE
366 #ifndef ELF_MAXPAGESIZE
367 # error ELF_MAXPAGESIZE is not defined
368 #define ELF_MAXPAGESIZE 1
371 #ifndef ELF_COMMONPAGESIZE
372 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
375 #ifndef ELF_MINPAGESIZE
376 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
379 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
380 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
382 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
383 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
386 #ifndef ELF_DYNAMIC_SEC_FLAGS
387 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
388 #define ELF_DYNAMIC_SEC_FLAGS \
389 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
390 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
393 #ifndef elf_backend_collect
394 #define elf_backend_collect FALSE
396 #ifndef elf_backend_type_change_ok
397 #define elf_backend_type_change_ok FALSE
400 #ifndef elf_backend_sym_is_global
401 #define elf_backend_sym_is_global 0
403 #ifndef elf_backend_object_p
404 #define elf_backend_object_p 0
406 #ifndef elf_backend_symbol_processing
407 #define elf_backend_symbol_processing 0
409 #ifndef elf_backend_symbol_table_processing
410 #define elf_backend_symbol_table_processing 0
412 #ifndef elf_backend_get_symbol_type
413 #define elf_backend_get_symbol_type 0
415 #ifndef elf_backend_archive_symbol_lookup
416 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
418 #ifndef elf_backend_name_local_section_symbols
419 #define elf_backend_name_local_section_symbols 0
421 #ifndef elf_backend_section_processing
422 #define elf_backend_section_processing 0
424 #ifndef elf_backend_section_from_shdr
425 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
427 #ifndef elf_backend_section_flags
428 #define elf_backend_section_flags 0
430 #ifndef elf_backend_get_sec_type_attr
431 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
433 #ifndef elf_backend_section_from_phdr
434 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
436 #ifndef elf_backend_fake_sections
437 #define elf_backend_fake_sections 0
439 #ifndef elf_backend_section_from_bfd_section
440 #define elf_backend_section_from_bfd_section 0
442 #ifndef elf_backend_add_symbol_hook
443 #define elf_backend_add_symbol_hook 0
445 #ifndef elf_backend_link_output_symbol_hook
446 #define elf_backend_link_output_symbol_hook 0
448 #ifndef elf_backend_create_dynamic_sections
449 #define elf_backend_create_dynamic_sections 0
451 #ifndef elf_backend_omit_section_dynsym
452 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
454 #ifndef elf_backend_relocs_compatible
455 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
457 #ifndef elf_backend_check_relocs
458 #define elf_backend_check_relocs 0
460 #ifndef elf_backend_check_directives
461 #define elf_backend_check_directives 0
463 #ifndef elf_backend_notice_as_needed
464 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
466 #ifndef elf_backend_adjust_dynamic_symbol
467 #define elf_backend_adjust_dynamic_symbol 0
469 #ifndef elf_backend_always_size_sections
470 #define elf_backend_always_size_sections 0
472 #ifndef elf_backend_size_dynamic_sections
473 #define elf_backend_size_dynamic_sections 0
475 #ifndef elf_backend_init_index_section
476 #define elf_backend_init_index_section \
477 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
479 #ifndef elf_backend_relocate_section
480 #define elf_backend_relocate_section 0
482 #ifndef elf_backend_finish_dynamic_symbol
483 #define elf_backend_finish_dynamic_symbol 0
485 #ifndef elf_backend_finish_dynamic_sections
486 #define elf_backend_finish_dynamic_sections 0
488 #ifndef elf_backend_begin_write_processing
489 #define elf_backend_begin_write_processing 0
491 #ifndef elf_backend_final_write_processing
492 #define elf_backend_final_write_processing 0
494 #ifndef elf_backend_additional_program_headers
495 #define elf_backend_additional_program_headers 0
497 #ifndef elf_backend_modify_segment_map
498 #define elf_backend_modify_segment_map 0
500 #ifndef elf_backend_modify_program_headers
501 #define elf_backend_modify_program_headers 0
503 #ifndef elf_backend_allow_non_load_phdr
504 #define elf_backend_allow_non_load_phdr \
505 ((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
507 #ifndef elf_backend_ecoff_debug_swap
508 #define elf_backend_ecoff_debug_swap 0
510 #ifndef elf_backend_bfd_from_remote_memory
511 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
513 #ifndef elf_backend_got_header_size
514 #define elf_backend_got_header_size 0
516 #ifndef elf_backend_got_elt_size
517 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
519 #ifndef elf_backend_obj_attrs_vendor
520 #define elf_backend_obj_attrs_vendor NULL
522 #ifndef elf_backend_obj_attrs_section
523 #define elf_backend_obj_attrs_section NULL
525 #ifndef elf_backend_obj_attrs_arg_type
526 #define elf_backend_obj_attrs_arg_type NULL
528 #ifndef elf_backend_obj_attrs_section_type
529 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
531 #ifndef elf_backend_obj_attrs_order
532 #define elf_backend_obj_attrs_order NULL
534 #ifndef elf_backend_obj_attrs_handle_unknown
535 #define elf_backend_obj_attrs_handle_unknown NULL
537 #ifndef elf_backend_parse_gnu_properties
538 #define elf_backend_parse_gnu_properties NULL
540 #ifndef elf_backend_merge_gnu_properties
541 #define elf_backend_merge_gnu_properties NULL
543 #ifndef elf_backend_setup_gnu_properties
544 #define elf_backend_setup_gnu_properties _bfd_elf_link_setup_gnu_properties
546 #ifndef elf_backend_static_tls_alignment
547 #define elf_backend_static_tls_alignment 1
549 #ifndef elf_backend_post_process_headers
550 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
552 #ifndef elf_backend_print_symbol_all
553 #define elf_backend_print_symbol_all NULL
555 #ifndef elf_backend_output_arch_local_syms
556 #define elf_backend_output_arch_local_syms NULL
558 #ifndef elf_backend_output_arch_syms
559 #define elf_backend_output_arch_syms NULL
561 #ifndef elf_backend_filter_implib_symbols
562 #define elf_backend_filter_implib_symbols NULL
564 #ifndef elf_backend_copy_indirect_symbol
565 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
567 #ifndef elf_backend_hide_symbol
568 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
570 #ifndef elf_backend_fixup_symbol
571 #define elf_backend_fixup_symbol NULL
573 #ifndef elf_backend_merge_symbol_attribute
574 #define elf_backend_merge_symbol_attribute NULL
576 #ifndef elf_backend_get_target_dtag
577 #define elf_backend_get_target_dtag NULL
579 #ifndef elf_backend_ignore_undef_symbol
580 #define elf_backend_ignore_undef_symbol NULL
582 #ifndef elf_backend_emit_relocs
583 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
585 #ifndef elf_backend_update_relocs
586 #define elf_backend_update_relocs NULL
588 #ifndef elf_backend_count_relocs
589 #define elf_backend_count_relocs NULL
591 #ifndef elf_backend_count_additional_relocs
592 #define elf_backend_count_additional_relocs NULL
594 #ifndef elf_backend_sort_relocs_p
595 #define elf_backend_sort_relocs_p NULL
597 #ifndef elf_backend_grok_prstatus
598 #define elf_backend_grok_prstatus NULL
600 #ifndef elf_backend_grok_psinfo
601 #define elf_backend_grok_psinfo NULL
603 #ifndef elf_backend_grok_freebsd_prstatus
604 #define elf_backend_grok_freebsd_prstatus NULL
606 #ifndef elf_backend_write_core_note
607 #define elf_backend_write_core_note NULL
609 #ifndef elf_backend_lookup_section_flags_hook
610 #define elf_backend_lookup_section_flags_hook NULL
612 #ifndef elf_backend_reloc_type_class
613 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
615 #ifndef elf_backend_discard_info
616 #define elf_backend_discard_info NULL
618 #ifndef elf_backend_ignore_discarded_relocs
619 #define elf_backend_ignore_discarded_relocs NULL
621 #ifndef elf_backend_action_discarded
622 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
624 #ifndef elf_backend_eh_frame_address_size
625 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
627 #ifndef elf_backend_can_make_relative_eh_frame
628 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
630 #ifndef elf_backend_can_make_lsda_relative_eh_frame
631 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
633 #ifndef elf_backend_encode_eh_address
634 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
636 #ifndef elf_backend_write_section
637 #define elf_backend_write_section NULL
639 #ifndef elf_backend_mips_irix_compat
640 #define elf_backend_mips_irix_compat NULL
642 #ifndef elf_backend_mips_rtype_to_howto
643 #define elf_backend_mips_rtype_to_howto NULL
646 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
647 sections, but not both. They defined USE_REL to indicate SHT_REL
648 sections, and left it undefined to indicated SHT_RELA sections.
649 For backwards compatibility, we still support this usage. */
654 /* Use these in new code. */
655 #ifndef elf_backend_may_use_rel_p
656 #define elf_backend_may_use_rel_p USE_REL
658 #ifndef elf_backend_may_use_rela_p
659 #define elf_backend_may_use_rela_p !USE_REL
661 #ifndef elf_backend_default_use_rela_p
662 #define elf_backend_default_use_rela_p !USE_REL
664 #ifndef elf_backend_rela_plts_and_copies_p
665 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
668 #ifndef elf_backend_rela_normal
669 #define elf_backend_rela_normal 0
672 #ifndef elf_backend_dtrel_excludes_plt
673 #define elf_backend_dtrel_excludes_plt 0
676 #ifndef elf_backend_plt_sym_val
677 #define elf_backend_plt_sym_val NULL
679 #ifndef elf_backend_relplt_name
680 #define elf_backend_relplt_name NULL
683 #ifndef ELF_MACHINE_ALT1
684 #define ELF_MACHINE_ALT1 0
687 #ifndef ELF_MACHINE_ALT2
688 #define ELF_MACHINE_ALT2 0
691 #ifndef elf_backend_size_info
692 #define elf_backend_size_info _bfd_elfNN_size_info
695 #ifndef elf_backend_special_sections
696 #define elf_backend_special_sections NULL
699 #ifndef elf_backend_sign_extend_vma
700 #define elf_backend_sign_extend_vma 0
703 #ifndef elf_backend_link_order_error_handler
704 #define elf_backend_link_order_error_handler _bfd_error_handler
707 #ifndef elf_backend_common_definition
708 #define elf_backend_common_definition _bfd_elf_common_definition
711 #ifndef elf_backend_common_section_index
712 #define elf_backend_common_section_index _bfd_elf_common_section_index
715 #ifndef elf_backend_common_section
716 #define elf_backend_common_section _bfd_elf_common_section
719 #ifndef elf_backend_merge_symbol
720 #define elf_backend_merge_symbol NULL
723 #ifndef elf_backend_hash_symbol
724 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
727 #ifndef elf_backend_is_function_type
728 #define elf_backend_is_function_type _bfd_elf_is_function_type
731 #ifndef elf_backend_maybe_function_sym
732 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
735 #ifndef elf_backend_get_reloc_section
736 #define elf_backend_get_reloc_section _bfd_elf_plt_get_reloc_section
739 #ifndef elf_backend_copy_special_section_fields
740 #define elf_backend_copy_special_section_fields NULL
743 #ifndef elf_backend_compact_eh_encoding
744 #define elf_backend_compact_eh_encoding NULL
747 #ifndef elf_backend_cant_unwind_opcode
748 #define elf_backend_cant_unwind_opcode 0
751 #ifndef elf_match_priority
752 #define elf_match_priority \
753 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
756 extern const struct elf_size_info _bfd_elfNN_size_info;
758 static struct elf_backend_data elfNN_bed =
761 ELF_TARGET_ID, /* target_id */
762 ELF_MACHINE_CODE, /* elf_machine_code */
763 ELF_OSABI, /* elf_osabi */
764 ELF_MAXPAGESIZE, /* maxpagesize */
765 ELF_MINPAGESIZE, /* minpagesize */
766 ELF_COMMONPAGESIZE, /* commonpagesize */
767 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
768 elf_backend_arch_data,
770 elf_info_to_howto_rel,
771 elf_backend_sym_is_global,
772 elf_backend_object_p,
773 elf_backend_symbol_processing,
774 elf_backend_symbol_table_processing,
775 elf_backend_get_symbol_type,
776 elf_backend_archive_symbol_lookup,
777 elf_backend_name_local_section_symbols,
778 elf_backend_section_processing,
779 elf_backend_section_from_shdr,
780 elf_backend_section_flags,
781 elf_backend_get_sec_type_attr,
782 elf_backend_section_from_phdr,
783 elf_backend_fake_sections,
784 elf_backend_section_from_bfd_section,
785 elf_backend_add_symbol_hook,
786 elf_backend_link_output_symbol_hook,
787 elf_backend_create_dynamic_sections,
788 elf_backend_omit_section_dynsym,
789 elf_backend_relocs_compatible,
790 elf_backend_check_relocs,
791 elf_backend_check_directives,
792 elf_backend_notice_as_needed,
793 elf_backend_adjust_dynamic_symbol,
794 elf_backend_always_size_sections,
795 elf_backend_size_dynamic_sections,
796 elf_backend_init_index_section,
797 elf_backend_relocate_section,
798 elf_backend_finish_dynamic_symbol,
799 elf_backend_finish_dynamic_sections,
800 elf_backend_begin_write_processing,
801 elf_backend_final_write_processing,
802 elf_backend_additional_program_headers,
803 elf_backend_modify_segment_map,
804 elf_backend_modify_program_headers,
805 elf_backend_allow_non_load_phdr,
807 elf_backend_gc_mark_dynamic_ref,
808 elf_backend_gc_mark_hook,
809 elf_backend_gc_mark_extra_sections,
810 elf_backend_gc_sweep_hook,
811 elf_backend_post_process_headers,
812 elf_backend_print_symbol_all,
813 elf_backend_output_arch_local_syms,
814 elf_backend_output_arch_syms,
815 elf_backend_filter_implib_symbols,
816 elf_backend_copy_indirect_symbol,
817 elf_backend_hide_symbol,
818 elf_backend_fixup_symbol,
819 elf_backend_merge_symbol_attribute,
820 elf_backend_get_target_dtag,
821 elf_backend_ignore_undef_symbol,
822 elf_backend_emit_relocs,
823 elf_backend_update_relocs,
824 elf_backend_count_relocs,
825 elf_backend_count_additional_relocs,
826 elf_backend_sort_relocs_p,
827 elf_backend_grok_prstatus,
828 elf_backend_grok_psinfo,
829 elf_backend_grok_freebsd_prstatus,
830 elf_backend_write_core_note,
831 elf_backend_lookup_section_flags_hook,
832 elf_backend_reloc_type_class,
833 elf_backend_discard_info,
834 elf_backend_ignore_discarded_relocs,
835 elf_backend_action_discarded,
836 elf_backend_eh_frame_address_size,
837 elf_backend_can_make_relative_eh_frame,
838 elf_backend_can_make_lsda_relative_eh_frame,
839 elf_backend_encode_eh_address,
840 elf_backend_write_section,
841 elf_backend_mips_irix_compat,
842 elf_backend_mips_rtype_to_howto,
843 elf_backend_ecoff_debug_swap,
844 elf_backend_bfd_from_remote_memory,
845 elf_backend_plt_sym_val,
846 elf_backend_common_definition,
847 elf_backend_common_section_index,
848 elf_backend_common_section,
849 elf_backend_merge_symbol,
850 elf_backend_hash_symbol,
851 elf_backend_is_function_type,
852 elf_backend_maybe_function_sym,
853 elf_backend_get_reloc_section,
854 elf_backend_copy_special_section_fields,
855 elf_backend_link_order_error_handler,
856 elf_backend_relplt_name,
859 &elf_backend_size_info,
860 elf_backend_special_sections,
861 elf_backend_got_header_size,
862 elf_backend_got_elt_size,
863 elf_backend_obj_attrs_vendor,
864 elf_backend_obj_attrs_section,
865 elf_backend_obj_attrs_arg_type,
866 elf_backend_obj_attrs_section_type,
867 elf_backend_obj_attrs_order,
868 elf_backend_obj_attrs_handle_unknown,
869 elf_backend_parse_gnu_properties,
870 elf_backend_merge_gnu_properties,
871 elf_backend_setup_gnu_properties,
872 elf_backend_compact_eh_encoding,
873 elf_backend_cant_unwind_opcode,
874 elf_backend_static_tls_alignment,
875 elf_backend_stack_align,
876 elf_backend_strtab_flags,
878 elf_backend_type_change_ok,
879 elf_backend_may_use_rel_p,
880 elf_backend_may_use_rela_p,
881 elf_backend_default_use_rela_p,
882 elf_backend_rela_plts_and_copies_p,
883 elf_backend_rela_normal,
884 elf_backend_dtrel_excludes_plt,
885 elf_backend_sign_extend_vma,
886 elf_backend_want_got_plt,
887 elf_backend_plt_readonly,
888 elf_backend_want_plt_sym,
889 elf_backend_plt_not_loaded,
890 elf_backend_plt_alignment,
891 elf_backend_can_gc_sections,
892 elf_backend_can_refcount,
893 elf_backend_want_got_sym,
894 elf_backend_want_dynbss,
895 elf_backend_want_dynrelro,
896 elf_backend_want_p_paddr_set_to_zero,
897 elf_backend_no_page_alias,
898 elf_backend_default_execstack,
899 elf_backend_caches_rawsize,
900 elf_backend_extern_protected_data,
901 elf_backend_always_renumber_dynsyms,
902 elf_backend_linux_prpsinfo32_ugid16
905 /* Forward declaration for use when initialising alternative_target field. */
906 #ifdef TARGET_LITTLE_SYM
907 extern const bfd_target TARGET_LITTLE_SYM;
910 #ifdef TARGET_BIG_SYM
911 const bfd_target TARGET_BIG_SYM =
913 /* name: identify kind of target */
916 /* flavour: general indication about file */
917 bfd_target_elf_flavour,
919 /* byteorder: data is big endian */
922 /* header_byteorder: header is also big endian */
925 /* object_flags: mask of all file flags */
926 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
927 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
928 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
930 /* section_flags: mask of all section flags */
931 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
932 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
933 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
935 /* leading_symbol_char: is the first char of a user symbol
936 predictable, and if so what is it */
937 elf_symbol_leading_char,
939 /* ar_pad_char: pad character for filenames within an archive header
940 FIXME: this really has nothing to do with ELF, this is a characteristic
941 of the archiver and/or os and should be independently tunable */
944 /* ar_max_namelen: maximum number of characters in an archive header
945 FIXME: this really has nothing to do with ELF, this is a characteristic
946 of the archiver and should be independently tunable. The System V ABI,
947 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
952 /* Routines to byte-swap various sized integers from the data sections */
953 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
954 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
955 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
957 /* Routines to byte-swap various sized integers from the file headers */
958 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
959 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
960 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
962 /* bfd_check_format: check the format of a file being read */
963 { _bfd_dummy_target, /* unknown format */
964 bfd_elfNN_object_p, /* assembler/linker output (object file) */
965 bfd_elfNN_archive_p, /* an archive */
966 bfd_elfNN_core_file_p /* a core file */
969 /* bfd_set_format: set the format of a file being written */
976 /* bfd_write_contents: write cached information into a file being written */
978 bfd_elfNN_write_object_contents,
979 bfd_elfNN_write_archive_contents,
980 bfd_elfNN_write_corefile_contents,
983 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
984 BFD_JUMP_TABLE_COPY (bfd_elfNN),
985 BFD_JUMP_TABLE_CORE (bfd_elfNN),
986 #ifdef bfd_elfNN_archive_functions
987 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
988 #elif defined USE_64_BIT_ARCHIVE
989 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
991 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
993 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
994 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
995 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
996 BFD_JUMP_TABLE_LINK (bfd_elfNN),
997 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
999 /* Alternative endian target. */
1000 #ifdef TARGET_LITTLE_SYM
1001 & TARGET_LITTLE_SYM,
1011 #ifdef TARGET_LITTLE_SYM
1012 const bfd_target TARGET_LITTLE_SYM =
1014 /* name: identify kind of target */
1017 /* flavour: general indication about file */
1018 bfd_target_elf_flavour,
1020 /* byteorder: data is little endian */
1023 /* header_byteorder: header is also little endian */
1026 /* object_flags: mask of all file flags */
1027 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
1028 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
1029 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
1031 /* section_flags: mask of all section flags */
1032 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
1033 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
1034 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
1036 /* leading_symbol_char: is the first char of a user symbol
1037 predictable, and if so what is it */
1038 elf_symbol_leading_char,
1040 /* ar_pad_char: pad character for filenames within an archive header
1041 FIXME: this really has nothing to do with ELF, this is a characteristic
1042 of the archiver and/or os and should be independently tunable */
1045 /* ar_max_namelen: maximum number of characters in an archive header
1046 FIXME: this really has nothing to do with ELF, this is a characteristic
1047 of the archiver and should be independently tunable. The System V ABI,
1048 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1053 /* Routines to byte-swap various sized integers from the data sections */
1054 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1055 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1056 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1058 /* Routines to byte-swap various sized integers from the file headers */
1059 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1060 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1061 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1063 /* bfd_check_format: check the format of a file being read */
1064 { _bfd_dummy_target, /* unknown format */
1065 bfd_elfNN_object_p, /* assembler/linker output (object file) */
1066 bfd_elfNN_archive_p, /* an archive */
1067 bfd_elfNN_core_file_p /* a core file */
1070 /* bfd_set_format: set the format of a file being written */
1073 bfd_elfNN_mkarchive,
1074 bfd_elfNN_mkcorefile
1077 /* bfd_write_contents: write cached information into a file being written */
1079 bfd_elfNN_write_object_contents,
1080 bfd_elfNN_write_archive_contents,
1081 bfd_elfNN_write_corefile_contents,
1084 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1085 BFD_JUMP_TABLE_COPY (bfd_elfNN),
1086 BFD_JUMP_TABLE_CORE (bfd_elfNN),
1087 #ifdef bfd_elfNN_archive_functions
1088 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1089 #elif defined USE_64_BIT_ARCHIVE
1090 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
1092 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1094 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1095 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1096 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1097 BFD_JUMP_TABLE_LINK (bfd_elfNN),
1098 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1100 /* Alternative endian target. */
1101 #ifdef TARGET_BIG_SYM