1 /* Target definitions for NN-bit ELF
2 Copyright (C) 1993-2024 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_generic_close_and_cleanup
33 #ifndef bfd_elfNN_bfd_free_cached_info
34 #define bfd_elfNN_bfd_free_cached_info _bfd_elf_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_nearest_line_with_alt
56 #define bfd_elfNN_find_nearest_line_with_alt \
57 _bfd_elf_find_nearest_line_with_alt
59 #ifndef bfd_elfNN_find_line
60 #define bfd_elfNN_find_line _bfd_elf_find_line
62 #ifndef bfd_elfNN_find_inliner_info
63 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info
65 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
66 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
67 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
68 _bfd_elf_get_dynamic_symtab_upper_bound
69 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno
70 #ifndef bfd_elfNN_get_reloc_upper_bound
71 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
73 #ifndef bfd_elfNN_get_symbol_info
74 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
76 #ifndef bfd_elfNN_get_symbol_version_string
77 #define bfd_elfNN_get_symbol_version_string \
78 _bfd_elf_get_symbol_version_string
80 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab
81 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
82 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
83 #ifndef bfd_elfNN_new_section_hook
84 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
86 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
87 #ifndef bfd_elfNN_set_section_contents
88 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
90 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
91 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
92 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
94 #define bfd_elfNN_get_section_contents_in_window \
95 _bfd_generic_get_section_contents_in_window
97 #ifndef elf_backend_can_refcount
98 #define elf_backend_can_refcount 0
100 #ifndef elf_backend_want_got_plt
101 #define elf_backend_want_got_plt 0
103 #ifndef elf_backend_plt_readonly
104 #define elf_backend_plt_readonly 0
106 #ifndef elf_backend_want_plt_sym
107 #define elf_backend_want_plt_sym 0
109 #ifndef elf_backend_plt_not_loaded
110 #define elf_backend_plt_not_loaded 0
112 #ifndef elf_backend_plt_alignment
113 #define elf_backend_plt_alignment 2
115 #ifndef elf_backend_want_dynbss
116 #define elf_backend_want_dynbss 1
118 #ifndef elf_backend_want_dynrelro
119 #define elf_backend_want_dynrelro 0
121 #ifndef elf_backend_want_p_paddr_set_to_zero
122 #define elf_backend_want_p_paddr_set_to_zero 0
124 #ifndef elf_backend_no_page_alias
125 #define elf_backend_no_page_alias 0
127 #ifndef elf_backend_default_execstack
128 #define elf_backend_default_execstack 1
130 #ifndef elf_backend_caches_rawsize
131 #define elf_backend_caches_rawsize 0
133 #ifndef elf_backend_extern_protected_data
134 #define elf_backend_extern_protected_data 0
136 #ifndef elf_backend_always_renumber_dynsyms
137 #define elf_backend_always_renumber_dynsyms false
139 #ifndef elf_backend_linux_prpsinfo32_ugid16
140 #define elf_backend_linux_prpsinfo32_ugid16 false
142 #ifndef elf_backend_linux_prpsinfo64_ugid16
143 #define elf_backend_linux_prpsinfo64_ugid16 false
145 #ifndef elf_backend_stack_align
146 #define elf_backend_stack_align 16
148 #ifndef elf_backend_strtab_flags
149 #define elf_backend_strtab_flags 0
152 #define bfd_elfNN_bfd_debug_info_start _bfd_void_bfd
153 #define bfd_elfNN_bfd_debug_info_end _bfd_void_bfd
154 #define bfd_elfNN_bfd_debug_info_accumulate _bfd_void_bfd_asection
156 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
157 #define bfd_elfNN_bfd_get_relocated_section_contents \
158 bfd_generic_get_relocated_section_contents
161 #ifndef bfd_elfNN_bfd_relax_section
162 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
165 #ifndef elf_backend_can_gc_sections
166 #define elf_backend_can_gc_sections 0
168 #ifndef elf_backend_can_refcount
169 #define elf_backend_can_refcount 0
171 #ifndef elf_backend_want_got_sym
172 #define elf_backend_want_got_sym 1
174 #ifndef elf_backend_gc_keep
175 #define elf_backend_gc_keep _bfd_elf_gc_keep
177 #ifndef elf_backend_gc_mark_dynamic_ref
178 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
180 #ifndef elf_backend_gc_mark_hook
181 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
183 #ifndef elf_backend_gc_mark_extra_sections
184 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
186 #ifndef bfd_elfNN_bfd_gc_sections
187 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
190 #ifndef bfd_elfNN_bfd_merge_sections
191 #define bfd_elfNN_bfd_merge_sections \
192 _bfd_elf_merge_sections
195 #ifndef bfd_elfNN_bfd_is_group_section
196 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
199 #ifndef bfd_elfNN_bfd_group_name
200 #define bfd_elfNN_bfd_group_name bfd_elf_group_name
203 #ifndef bfd_elfNN_bfd_discard_group
204 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
207 #ifndef bfd_elfNN_section_already_linked
208 #define bfd_elfNN_section_already_linked \
209 _bfd_elf_section_already_linked
212 #ifndef bfd_elfNN_bfd_define_common_symbol
213 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
216 #ifndef bfd_elfNN_bfd_link_hide_symbol
217 #define bfd_elfNN_bfd_link_hide_symbol _bfd_elf_link_hide_symbol
220 #ifndef bfd_elfNN_bfd_lookup_section_flags
221 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
224 #ifndef bfd_elfNN_bfd_make_debug_symbol
225 #define bfd_elfNN_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
228 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
229 #define bfd_elfNN_bfd_copy_private_symbol_data \
230 _bfd_elf_copy_private_symbol_data
233 #ifndef bfd_elfNN_bfd_copy_private_section_data
234 #define bfd_elfNN_bfd_copy_private_section_data \
235 _bfd_elf_copy_private_section_data
237 #ifndef bfd_elfNN_bfd_copy_private_header_data
238 #define bfd_elfNN_bfd_copy_private_header_data \
239 _bfd_elf_copy_private_header_data
241 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
242 #define bfd_elfNN_bfd_copy_private_bfd_data \
243 _bfd_elf_copy_private_bfd_data
245 #ifndef bfd_elfNN_bfd_print_private_bfd_data
246 #define bfd_elfNN_bfd_print_private_bfd_data \
247 _bfd_elf_print_private_bfd_data
249 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
250 #define bfd_elfNN_bfd_merge_private_bfd_data _bfd_bool_bfd_link_true
252 #ifndef bfd_elfNN_bfd_set_private_flags
253 #define bfd_elfNN_bfd_set_private_flags _bfd_bool_bfd_uint_true
255 #ifndef bfd_elfNN_bfd_is_local_label_name
256 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
258 #ifndef bfd_elfNN_bfd_is_target_special_symbol
259 #define bfd_elfNN_bfd_is_target_special_symbol _bfd_bool_bfd_asymbol_false
262 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
263 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
264 _bfd_elf_get_dynamic_reloc_upper_bound
266 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
267 #define bfd_elfNN_canonicalize_dynamic_reloc \
268 _bfd_elf_canonicalize_dynamic_reloc
271 #ifdef elf_backend_relocate_section
272 #ifndef bfd_elfNN_bfd_link_hash_table_create
273 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
275 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
276 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
277 _bfd_elf_copy_link_hash_symbol_type
279 #ifndef bfd_elfNN_bfd_link_add_symbols
280 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
282 #ifndef bfd_elfNN_bfd_define_start_stop
283 #define bfd_elfNN_bfd_define_start_stop bfd_elf_define_start_stop
285 #ifndef bfd_elfNN_bfd_final_link
286 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
288 #else /* ! defined (elf_backend_relocate_section) */
289 /* If no backend relocate_section routine, use the generic linker.
290 Note - this will prevent the port from being able to use some of
291 the other features of the ELF linker, because the generic hash structure
292 does not have the fields needed by the ELF linker. In particular it
293 means that linking directly to S-records will not work. */
294 #ifndef bfd_elfNN_bfd_link_hash_table_create
295 #define bfd_elfNN_bfd_link_hash_table_create \
296 _bfd_generic_link_hash_table_create
298 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
299 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
300 _bfd_generic_copy_link_hash_symbol_type
302 #ifndef bfd_elfNN_bfd_link_add_symbols
303 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
305 #ifndef bfd_elfNN_bfd_define_start_stop
306 #define bfd_elfNN_bfd_define_start_stop bfd_generic_define_start_stop
308 #ifndef bfd_elfNN_bfd_final_link
309 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
311 #endif /* ! defined (elf_backend_relocate_section) */
313 #ifndef bfd_elfNN_bfd_link_just_syms
314 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
317 #ifndef bfd_elfNN_bfd_link_split_section
318 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
321 #ifndef bfd_elfNN_bfd_link_check_relocs
322 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
325 #ifndef bfd_elfNN_archive_p
326 #define bfd_elfNN_archive_p bfd_generic_archive_p
329 #ifndef bfd_elfNN_write_archive_contents
330 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
333 #ifndef bfd_elfNN_mkobject
334 #define bfd_elfNN_mkobject bfd_elf_make_object
337 #ifndef bfd_elfNN_mkcorefile
338 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
341 #ifndef bfd_elfNN_mkarchive
342 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
345 #ifndef bfd_elfNN_print_symbol
346 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
349 #ifndef elf_symbol_leading_char
350 #define elf_symbol_leading_char 0
353 #ifndef elf_info_to_howto
354 #define elf_info_to_howto NULL
357 #ifndef elf_info_to_howto_rel
358 #define elf_info_to_howto_rel NULL
361 #ifndef elf_backend_arch_data
362 #define elf_backend_arch_data NULL
365 #ifndef ELF_TARGET_ID
366 #define ELF_TARGET_ID GENERIC_ELF_DATA
369 #ifndef ELF_TARGET_OS
370 #define ELF_TARGET_OS is_normal
374 #define ELF_OSABI ELFOSABI_NONE
377 #ifndef ELF_MAXPAGESIZE
378 # error ELF_MAXPAGESIZE is not defined
379 #define ELF_MAXPAGESIZE 1
382 #ifndef ELF_COMMONPAGESIZE
383 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
386 #ifndef ELF_MINPAGESIZE
387 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
390 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
391 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
393 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
394 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
398 #define ELF_P_ALIGN 0
401 #ifndef ELF_DYNAMIC_SEC_FLAGS
402 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
403 #define ELF_DYNAMIC_SEC_FLAGS \
404 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
405 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
408 #ifndef elf_backend_collect
409 #define elf_backend_collect false
411 #ifndef elf_backend_type_change_ok
412 #define elf_backend_type_change_ok false
415 #ifndef elf_backend_sym_is_global
416 #define elf_backend_sym_is_global 0
418 #ifndef elf_backend_object_p
419 #define elf_backend_object_p 0
421 #ifndef elf_backend_symbol_processing
422 #define elf_backend_symbol_processing 0
424 #ifndef elf_backend_symbol_table_processing
425 #define elf_backend_symbol_table_processing 0
427 #ifndef elf_backend_get_symbol_type
428 #define elf_backend_get_symbol_type 0
430 #ifndef elf_backend_archive_symbol_lookup
431 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
433 #ifndef elf_backend_name_local_section_symbols
434 #define elf_backend_name_local_section_symbols 0
436 #ifndef elf_backend_section_processing
437 #define elf_backend_section_processing 0
439 #ifndef elf_backend_section_from_shdr
440 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
442 #ifndef elf_backend_section_flags
443 #define elf_backend_section_flags 0
445 #ifndef elf_backend_get_sec_type_attr
446 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
448 #ifndef elf_backend_section_from_phdr
449 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
451 #ifndef elf_backend_fake_sections
452 #define elf_backend_fake_sections 0
454 #ifndef elf_backend_section_from_bfd_section
455 #define elf_backend_section_from_bfd_section 0
457 #ifndef elf_backend_add_symbol_hook
458 #define elf_backend_add_symbol_hook 0
460 #ifndef elf_backend_link_output_symbol_hook
461 #define elf_backend_link_output_symbol_hook 0
463 #ifndef elf_backend_create_dynamic_sections
464 #define elf_backend_create_dynamic_sections 0
466 #ifndef elf_backend_omit_section_dynsym
467 #define elf_backend_omit_section_dynsym _bfd_elf_omit_section_dynsym_default
469 #ifndef elf_backend_relocs_compatible
470 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
472 #ifndef elf_backend_check_relocs
473 #define elf_backend_check_relocs 0
475 #ifndef elf_backend_size_relative_relocs
476 #define elf_backend_size_relative_relocs 0
478 #ifndef elf_backend_finish_relative_relocs
479 #define elf_backend_finish_relative_relocs 0
481 #ifndef elf_backend_check_directives
482 #define elf_backend_check_directives 0
484 #ifndef elf_backend_notice_as_needed
485 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
487 #ifndef elf_backend_adjust_dynamic_symbol
488 #define elf_backend_adjust_dynamic_symbol 0
490 #ifndef elf_backend_always_size_sections
491 #define elf_backend_always_size_sections 0
493 #ifndef elf_backend_size_dynamic_sections
494 #define elf_backend_size_dynamic_sections 0
496 #ifndef elf_backend_strip_zero_sized_dynamic_sections
497 #define elf_backend_strip_zero_sized_dynamic_sections 0
499 #ifndef elf_backend_init_index_section
500 #define elf_backend_init_index_section _bfd_void_bfd_link
502 #ifndef elf_backend_relocate_section
503 #define elf_backend_relocate_section 0
505 #ifndef elf_backend_finish_dynamic_symbol
506 #define elf_backend_finish_dynamic_symbol 0
508 #ifndef elf_backend_finish_dynamic_sections
509 #define elf_backend_finish_dynamic_sections 0
511 #ifndef elf_backend_begin_write_processing
512 #define elf_backend_begin_write_processing 0
514 #ifndef elf_backend_final_write_processing
515 #define elf_backend_final_write_processing _bfd_elf_final_write_processing
517 #ifndef elf_backend_additional_program_headers
518 #define elf_backend_additional_program_headers 0
520 #ifndef elf_backend_modify_segment_map
521 #define elf_backend_modify_segment_map 0
523 #ifndef elf_backend_modify_headers
524 #define elf_backend_modify_headers _bfd_elf_modify_headers
526 #ifndef elf_backend_allow_non_load_phdr
527 #define elf_backend_allow_non_load_phdr 0
529 #ifndef elf_backend_ecoff_debug_swap
530 #define elf_backend_ecoff_debug_swap 0
532 #ifndef elf_backend_bfd_from_remote_memory
533 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
535 #ifndef elf_backend_core_find_build_id
536 #define elf_backend_core_find_build_id _bfd_elfNN_core_find_build_id
538 #ifndef elf_backend_got_header_size
539 #define elf_backend_got_header_size 0
541 #ifndef elf_backend_got_elt_size
542 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
544 #ifndef elf_backend_obj_attrs_vendor
545 #define elf_backend_obj_attrs_vendor NULL
547 #ifndef elf_backend_obj_attrs_section
548 #define elf_backend_obj_attrs_section NULL
550 #ifndef elf_backend_obj_attrs_arg_type
551 #define elf_backend_obj_attrs_arg_type NULL
553 #ifndef elf_backend_obj_attrs_section_type
554 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
556 #ifndef elf_backend_obj_attrs_order
557 #define elf_backend_obj_attrs_order NULL
559 #ifndef elf_backend_obj_attrs_handle_unknown
560 #define elf_backend_obj_attrs_handle_unknown NULL
562 #ifndef elf_backend_parse_gnu_properties
563 #define elf_backend_parse_gnu_properties NULL
565 #ifndef elf_backend_merge_gnu_properties
566 #define elf_backend_merge_gnu_properties NULL
568 #ifndef elf_backend_setup_gnu_properties
569 #define elf_backend_setup_gnu_properties _bfd_elf_link_setup_gnu_properties
571 #ifndef elf_backend_fixup_gnu_properties
572 #define elf_backend_fixup_gnu_properties NULL
574 #ifndef elf_backend_static_tls_alignment
575 #define elf_backend_static_tls_alignment 1
577 #ifndef elf_backend_init_file_header
578 #define elf_backend_init_file_header _bfd_elf_init_file_header
580 #ifndef elf_backend_print_symbol_all
581 #define elf_backend_print_symbol_all NULL
583 #ifndef elf_backend_output_arch_local_syms
584 #define elf_backend_output_arch_local_syms NULL
586 #ifndef elf_backend_output_arch_syms
587 #define elf_backend_output_arch_syms NULL
589 #ifndef elf_backend_filter_implib_symbols
590 #define elf_backend_filter_implib_symbols NULL
592 #ifndef elf_backend_copy_indirect_symbol
593 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
595 #ifndef elf_backend_hide_symbol
596 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
598 #ifndef elf_backend_fixup_symbol
599 #define elf_backend_fixup_symbol NULL
601 #ifndef elf_backend_merge_symbol_attribute
602 #define elf_backend_merge_symbol_attribute NULL
604 #ifndef elf_backend_get_target_dtag
605 #define elf_backend_get_target_dtag NULL
607 #ifndef elf_backend_ignore_undef_symbol
608 #define elf_backend_ignore_undef_symbol NULL
610 #ifndef elf_backend_emit_relocs
611 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
613 #ifndef elf_backend_update_relocs
614 #define elf_backend_update_relocs NULL
616 #ifndef elf_backend_count_relocs
617 #define elf_backend_count_relocs NULL
619 #ifndef elf_backend_count_additional_relocs
620 #define elf_backend_count_additional_relocs NULL
622 #ifndef elf_backend_sort_relocs_p
623 #define elf_backend_sort_relocs_p NULL
625 #ifndef elf_backend_grok_prstatus
626 #define elf_backend_grok_prstatus NULL
628 #ifndef elf_backend_grok_psinfo
629 #define elf_backend_grok_psinfo NULL
631 #ifndef elf_backend_grok_freebsd_prstatus
632 #define elf_backend_grok_freebsd_prstatus NULL
634 #ifndef elf_backend_write_core_note
635 #define elf_backend_write_core_note NULL
637 #ifndef elf_backend_lookup_section_flags_hook
638 #define elf_backend_lookup_section_flags_hook NULL
640 #ifndef elf_backend_reloc_type_class
641 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
643 #ifndef elf_backend_discard_info
644 #define elf_backend_discard_info NULL
646 #ifndef elf_backend_ignore_discarded_relocs
647 #define elf_backend_ignore_discarded_relocs NULL
649 #ifndef elf_backend_action_discarded
650 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
652 #ifndef elf_backend_eh_frame_address_size
653 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
655 #ifndef elf_backend_can_make_relative_eh_frame
656 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
658 #ifndef elf_backend_can_make_lsda_relative_eh_frame
659 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
661 #ifndef elf_backend_can_make_multiple_eh_frame
662 #define elf_backend_can_make_multiple_eh_frame 0
664 #ifndef elf_backend_encode_eh_address
665 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
667 #ifndef elf_backend_write_section
668 #define elf_backend_write_section NULL
670 #ifndef elf_backend_add_glibc_version_dependency
671 #define elf_backend_add_glibc_version_dependency \
672 _bfd_elf_link_add_dt_relr_dependency
674 #ifndef elf_backend_elfsym_local_is_section
675 #define elf_backend_elfsym_local_is_section NULL
677 #ifndef elf_backend_mips_irix_compat
678 #define elf_backend_mips_irix_compat NULL
680 #ifndef elf_backend_mips_rtype_to_howto
681 #define elf_backend_mips_rtype_to_howto NULL
684 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
685 sections, but not both. They defined USE_REL to indicate SHT_REL
686 sections, and left it undefined to indicated SHT_RELA sections.
687 For backwards compatibility, we still support this usage. */
692 /* Use these in new code. */
693 #ifndef elf_backend_may_use_rel_p
694 #define elf_backend_may_use_rel_p USE_REL
696 #ifndef elf_backend_may_use_rela_p
697 #define elf_backend_may_use_rela_p !USE_REL
699 #ifndef elf_backend_default_use_rela_p
700 #define elf_backend_default_use_rela_p !USE_REL
702 #ifndef elf_backend_rela_plts_and_copies_p
703 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
706 #ifndef elf_backend_rela_normal
707 #define elf_backend_rela_normal 0
710 #ifndef elf_backend_dtrel_excludes_plt
711 #define elf_backend_dtrel_excludes_plt 0
714 #ifndef elf_backend_plt_sym_val
715 #define elf_backend_plt_sym_val NULL
717 #ifndef elf_backend_relplt_name
718 #define elf_backend_relplt_name NULL
721 #ifndef ELF_MACHINE_ALT1
722 #define ELF_MACHINE_ALT1 0
725 #ifndef ELF_MACHINE_ALT2
726 #define ELF_MACHINE_ALT2 0
729 #ifndef elf_backend_size_info
730 #define elf_backend_size_info _bfd_elfNN_size_info
733 #ifndef elf_backend_special_sections
734 #define elf_backend_special_sections NULL
737 #ifndef elf_backend_sign_extend_vma
738 #define elf_backend_sign_extend_vma 0
741 #ifndef elf_backend_link_order_error_handler
742 #define elf_backend_link_order_error_handler _bfd_error_handler
745 #ifndef elf_backend_common_definition
746 #define elf_backend_common_definition _bfd_elf_common_definition
749 #ifndef elf_backend_common_section_index
750 #define elf_backend_common_section_index _bfd_elf_common_section_index
753 #ifndef elf_backend_common_section
754 #define elf_backend_common_section _bfd_elf_common_section
757 #ifndef elf_backend_merge_symbol
758 #define elf_backend_merge_symbol NULL
761 #ifndef elf_backend_hash_symbol
762 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
765 #ifndef elf_backend_record_xhash_symbol
766 #define elf_backend_record_xhash_symbol NULL
769 #ifndef elf_backend_is_function_type
770 #define elf_backend_is_function_type _bfd_elf_is_function_type
773 #ifndef elf_backend_maybe_function_sym
774 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
777 #ifndef elf_backend_get_reloc_section
778 #define elf_backend_get_reloc_section _bfd_elf_plt_get_reloc_section
781 #ifndef elf_backend_copy_special_section_fields
782 #define elf_backend_copy_special_section_fields _bfd_elf_copy_special_section_fields
785 #ifndef elf_backend_compact_eh_encoding
786 #define elf_backend_compact_eh_encoding NULL
789 #ifndef elf_backend_cant_unwind_opcode
790 #define elf_backend_cant_unwind_opcode NULL
793 #ifndef elf_backend_init_secondary_reloc_section
794 #define elf_backend_init_secondary_reloc_section _bfd_elf_init_secondary_reloc_section
797 #ifndef elf_backend_slurp_secondary_reloc_section
798 #define elf_backend_slurp_secondary_reloc_section _bfd_elf_slurp_secondary_reloc_section
801 #ifndef elf_backend_write_secondary_reloc_section
802 #define elf_backend_write_secondary_reloc_section _bfd_elf_write_secondary_reloc_section
805 #ifndef elf_backend_symbol_section_index
806 #define elf_backend_symbol_section_index NULL
809 #ifndef elf_match_priority
810 #define elf_match_priority \
811 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
814 extern const struct elf_size_info _bfd_elfNN_size_info
;
816 static const struct elf_backend_data elfNN_bed
=
819 ELF_TARGET_ID
, /* target_id */
820 ELF_TARGET_OS
, /* target_os */
821 ELF_MACHINE_CODE
, /* elf_machine_code */
822 ELF_OSABI
, /* elf_osabi */
823 ELF_MAXPAGESIZE
, /* maxpagesize */
824 ELF_MINPAGESIZE
, /* minpagesize */
825 ELF_COMMONPAGESIZE
, /* commonpagesize */
826 ELF_P_ALIGN
, /* p_align */
827 ELF_DYNAMIC_SEC_FLAGS
, /* dynamic_sec_flags */
828 elf_backend_arch_data
,
830 elf_info_to_howto_rel
,
831 elf_backend_sym_is_global
,
832 elf_backend_object_p
,
833 elf_backend_symbol_processing
,
834 elf_backend_symbol_table_processing
,
835 elf_backend_get_symbol_type
,
836 elf_backend_archive_symbol_lookup
,
837 elf_backend_name_local_section_symbols
,
838 elf_backend_section_processing
,
839 elf_backend_section_from_shdr
,
840 elf_backend_section_flags
,
841 elf_backend_get_sec_type_attr
,
842 elf_backend_section_from_phdr
,
843 elf_backend_fake_sections
,
844 elf_backend_section_from_bfd_section
,
845 elf_backend_add_symbol_hook
,
846 elf_backend_link_output_symbol_hook
,
847 elf_backend_create_dynamic_sections
,
848 elf_backend_omit_section_dynsym
,
849 elf_backend_relocs_compatible
,
850 elf_backend_check_relocs
,
851 elf_backend_size_relative_relocs
,
852 elf_backend_finish_relative_relocs
,
853 elf_backend_check_directives
,
854 elf_backend_notice_as_needed
,
855 elf_backend_adjust_dynamic_symbol
,
856 elf_backend_always_size_sections
,
857 elf_backend_size_dynamic_sections
,
858 elf_backend_strip_zero_sized_dynamic_sections
,
859 elf_backend_init_index_section
,
860 elf_backend_relocate_section
,
861 elf_backend_finish_dynamic_symbol
,
862 elf_backend_finish_dynamic_sections
,
863 elf_backend_begin_write_processing
,
864 elf_backend_final_write_processing
,
865 elf_backend_additional_program_headers
,
866 elf_backend_modify_segment_map
,
867 elf_backend_modify_headers
,
868 elf_backend_allow_non_load_phdr
,
870 elf_backend_gc_mark_dynamic_ref
,
871 elf_backend_gc_mark_hook
,
872 elf_backend_gc_mark_extra_sections
,
873 elf_backend_init_file_header
,
874 elf_backend_print_symbol_all
,
875 elf_backend_output_arch_local_syms
,
876 elf_backend_output_arch_syms
,
877 elf_backend_filter_implib_symbols
,
878 elf_backend_copy_indirect_symbol
,
879 elf_backend_hide_symbol
,
880 elf_backend_fixup_symbol
,
881 elf_backend_merge_symbol_attribute
,
882 elf_backend_get_target_dtag
,
883 elf_backend_ignore_undef_symbol
,
884 elf_backend_emit_relocs
,
885 elf_backend_update_relocs
,
886 elf_backend_count_relocs
,
887 elf_backend_count_additional_relocs
,
888 elf_backend_sort_relocs_p
,
889 elf_backend_grok_prstatus
,
890 elf_backend_grok_psinfo
,
891 elf_backend_grok_freebsd_prstatus
,
892 elf_backend_write_core_note
,
893 elf_backend_lookup_section_flags_hook
,
894 elf_backend_reloc_type_class
,
895 elf_backend_discard_info
,
896 elf_backend_ignore_discarded_relocs
,
897 elf_backend_action_discarded
,
898 elf_backend_eh_frame_address_size
,
899 elf_backend_can_make_relative_eh_frame
,
900 elf_backend_can_make_lsda_relative_eh_frame
,
901 elf_backend_can_make_multiple_eh_frame
,
902 elf_backend_encode_eh_address
,
903 elf_backend_write_section
,
904 elf_backend_add_glibc_version_dependency
,
905 elf_backend_elfsym_local_is_section
,
906 elf_backend_mips_irix_compat
,
907 elf_backend_mips_rtype_to_howto
,
908 elf_backend_ecoff_debug_swap
,
909 elf_backend_bfd_from_remote_memory
,
910 elf_backend_core_find_build_id
,
911 elf_backend_plt_sym_val
,
912 elf_backend_common_definition
,
913 elf_backend_common_section_index
,
914 elf_backend_common_section
,
915 elf_backend_merge_symbol
,
916 elf_backend_hash_symbol
,
917 elf_backend_record_xhash_symbol
,
918 elf_backend_is_function_type
,
919 elf_backend_maybe_function_sym
,
920 elf_backend_get_reloc_section
,
921 elf_backend_copy_special_section_fields
,
922 elf_backend_link_order_error_handler
,
923 elf_backend_relplt_name
,
926 &elf_backend_size_info
,
927 elf_backend_special_sections
,
928 elf_backend_got_header_size
,
929 elf_backend_got_elt_size
,
930 elf_backend_obj_attrs_vendor
,
931 elf_backend_obj_attrs_section
,
932 elf_backend_obj_attrs_arg_type
,
933 elf_backend_obj_attrs_section_type
,
934 elf_backend_obj_attrs_order
,
935 elf_backend_obj_attrs_handle_unknown
,
936 elf_backend_parse_gnu_properties
,
937 elf_backend_merge_gnu_properties
,
938 elf_backend_setup_gnu_properties
,
939 elf_backend_fixup_gnu_properties
,
940 elf_backend_compact_eh_encoding
,
941 elf_backend_cant_unwind_opcode
,
942 elf_backend_symbol_section_index
,
943 elf_backend_init_secondary_reloc_section
,
944 elf_backend_slurp_secondary_reloc_section
,
945 elf_backend_write_secondary_reloc_section
,
946 elf_backend_static_tls_alignment
,
947 elf_backend_stack_align
,
948 elf_backend_strtab_flags
,
950 elf_backend_type_change_ok
,
951 elf_backend_may_use_rel_p
,
952 elf_backend_may_use_rela_p
,
953 elf_backend_default_use_rela_p
,
954 elf_backend_rela_plts_and_copies_p
,
955 elf_backend_rela_normal
,
956 elf_backend_dtrel_excludes_plt
,
957 elf_backend_sign_extend_vma
,
958 elf_backend_want_got_plt
,
959 elf_backend_plt_readonly
,
960 elf_backend_want_plt_sym
,
961 elf_backend_plt_not_loaded
,
962 elf_backend_plt_alignment
,
963 elf_backend_can_gc_sections
,
964 elf_backend_can_refcount
,
965 elf_backend_want_got_sym
,
966 elf_backend_want_dynbss
,
967 elf_backend_want_dynrelro
,
968 elf_backend_want_p_paddr_set_to_zero
,
969 elf_backend_no_page_alias
,
970 elf_backend_default_execstack
,
971 elf_backend_caches_rawsize
,
972 elf_backend_extern_protected_data
,
973 elf_backend_always_renumber_dynsyms
,
974 elf_backend_linux_prpsinfo32_ugid16
,
975 elf_backend_linux_prpsinfo64_ugid16
978 /* Forward declaration for use when initialising alternative_target field. */
979 #ifdef TARGET_LITTLE_SYM
980 extern const bfd_target TARGET_LITTLE_SYM
;
983 #ifdef TARGET_BIG_SYM
984 const bfd_target TARGET_BIG_SYM
=
986 /* name: identify kind of target */
989 /* flavour: general indication about file */
990 bfd_target_elf_flavour
,
992 /* byteorder: data is big endian */
995 /* header_byteorder: header is also big endian */
998 /* object_flags: mask of all file flags */
999 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
1000 | DYNAMIC
| WP_TEXT
| D_PAGED
| BFD_COMPRESS
| BFD_DECOMPRESS
1001 | BFD_COMPRESS_GABI
| BFD_COMPRESS_ZSTD
| BFD_CONVERT_ELF_COMMON
1002 | BFD_USE_ELF_STT_COMMON
| BFD_NO_SECTION_HEADER
),
1004 /* section_flags: mask of all section flags */
1005 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
1006 | SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
1007 | SEC_SMALL_DATA
| SEC_MERGE
| SEC_STRINGS
| SEC_GROUP
),
1009 /* leading_symbol_char: is the first char of a user symbol
1010 predictable, and if so what is it */
1011 elf_symbol_leading_char
,
1013 /* ar_pad_char: pad character for filenames within an archive header
1014 FIXME: this really has nothing to do with ELF, this is a characteristic
1015 of the archiver and/or os and should be independently tunable */
1018 /* ar_max_namelen: maximum number of characters in an archive header
1019 FIXME: this really has nothing to do with ELF, this is a characteristic
1020 of the archiver and should be independently tunable. The System V ABI,
1021 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1026 /* TRUE if unused section symbols should be kept. */
1027 TARGET_KEEP_UNUSED_SECTION_SYMBOLS
,
1029 /* Routines to byte-swap various sized integers from the data sections */
1030 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
1031 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
1032 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
1034 /* Routines to byte-swap various sized integers from the file headers */
1035 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
1036 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
1037 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
1039 /* bfd_check_format: check the format of a file being read */
1040 { _bfd_dummy_target
, /* unknown format */
1041 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
1042 bfd_elfNN_archive_p
, /* an archive */
1043 bfd_elfNN_core_file_p
/* a core file */
1046 /* bfd_set_format: set the format of a file being written */
1047 { _bfd_bool_bfd_false_error
,
1049 bfd_elfNN_mkarchive
,
1050 bfd_elfNN_mkcorefile
1053 /* bfd_write_contents: write cached information into a file being written */
1054 { _bfd_bool_bfd_false_error
,
1055 bfd_elfNN_write_object_contents
,
1056 bfd_elfNN_write_archive_contents
,
1057 bfd_elfNN_write_corefile_contents
,
1060 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
1061 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
1062 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
1063 #ifdef bfd_elfNN_archive_functions
1064 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
1065 #elif defined USE_64_BIT_ARCHIVE
1066 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit
),
1068 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
1070 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
1071 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
1072 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
1073 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
1074 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
1076 /* Alternative endian target. */
1077 #ifdef TARGET_LITTLE_SYM
1078 & TARGET_LITTLE_SYM
,
1088 #ifdef TARGET_LITTLE_SYM
1089 const bfd_target TARGET_LITTLE_SYM
=
1091 /* name: identify kind of target */
1094 /* flavour: general indication about file */
1095 bfd_target_elf_flavour
,
1097 /* byteorder: data is little endian */
1100 /* header_byteorder: header is also little endian */
1103 /* object_flags: mask of all file flags */
1104 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
1105 | DYNAMIC
| WP_TEXT
| D_PAGED
| BFD_COMPRESS
| BFD_DECOMPRESS
1106 | BFD_COMPRESS_GABI
| BFD_COMPRESS_ZSTD
| BFD_CONVERT_ELF_COMMON
1107 | BFD_USE_ELF_STT_COMMON
| BFD_NO_SECTION_HEADER
),
1109 /* section_flags: mask of all section flags */
1110 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
1111 | SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
1112 | SEC_SMALL_DATA
| SEC_MERGE
| SEC_STRINGS
| SEC_GROUP
),
1114 /* leading_symbol_char: is the first char of a user symbol
1115 predictable, and if so what is it */
1116 elf_symbol_leading_char
,
1118 /* ar_pad_char: pad character for filenames within an archive header
1119 FIXME: this really has nothing to do with ELF, this is a characteristic
1120 of the archiver and/or os and should be independently tunable */
1123 /* ar_max_namelen: maximum number of characters in an archive header
1124 FIXME: this really has nothing to do with ELF, this is a characteristic
1125 of the archiver and should be independently tunable. The System V ABI,
1126 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1131 /* TRUE if unused section symbols should be kept. */
1132 TARGET_KEEP_UNUSED_SECTION_SYMBOLS
,
1134 /* Routines to byte-swap various sized integers from the data sections */
1135 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
1136 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
1137 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
1139 /* Routines to byte-swap various sized integers from the file headers */
1140 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
1141 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
1142 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
1144 /* bfd_check_format: check the format of a file being read */
1145 { _bfd_dummy_target
, /* unknown format */
1146 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
1147 bfd_elfNN_archive_p
, /* an archive */
1148 bfd_elfNN_core_file_p
/* a core file */
1151 /* bfd_set_format: set the format of a file being written */
1152 { _bfd_bool_bfd_false_error
,
1154 bfd_elfNN_mkarchive
,
1155 bfd_elfNN_mkcorefile
1158 /* bfd_write_contents: write cached information into a file being written */
1159 { _bfd_bool_bfd_false_error
,
1160 bfd_elfNN_write_object_contents
,
1161 bfd_elfNN_write_archive_contents
,
1162 bfd_elfNN_write_corefile_contents
,
1165 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
1166 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
1167 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
1168 #ifdef bfd_elfNN_archive_functions
1169 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
1170 #elif defined USE_64_BIT_ARCHIVE
1171 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit
),
1173 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
1175 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
1176 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
1177 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
1178 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
1179 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
1181 /* Alternative endian target. */
1182 #ifdef TARGET_BIG_SYM