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_stack_align
136 #define elf_backend_stack_align 16
138 #ifndef elf_backend_strtab_flags
139 #define elf_backend_strtab_flags 0
142 #define bfd_elfNN_bfd_debug_info_start bfd_void
143 #define bfd_elfNN_bfd_debug_info_end bfd_void
144 #define bfd_elfNN_bfd_debug_info_accumulate \
145 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
147 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
148 #define bfd_elfNN_bfd_get_relocated_section_contents \
149 bfd_generic_get_relocated_section_contents
152 #ifndef bfd_elfNN_bfd_relax_section
153 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
156 #ifndef elf_backend_can_gc_sections
157 #define elf_backend_can_gc_sections 0
159 #ifndef elf_backend_can_refcount
160 #define elf_backend_can_refcount 0
162 #ifndef elf_backend_want_got_sym
163 #define elf_backend_want_got_sym 1
165 #ifndef elf_backend_gc_keep
166 #define elf_backend_gc_keep _bfd_elf_gc_keep
168 #ifndef elf_backend_gc_mark_dynamic_ref
169 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
171 #ifndef elf_backend_gc_mark_hook
172 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
174 #ifndef elf_backend_gc_mark_extra_sections
175 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
177 #ifndef elf_backend_gc_sweep_hook
178 #define elf_backend_gc_sweep_hook NULL
180 #ifndef bfd_elfNN_bfd_gc_sections
181 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
184 #ifndef bfd_elfNN_bfd_merge_sections
185 #define bfd_elfNN_bfd_merge_sections \
186 _bfd_elf_merge_sections
189 #ifndef bfd_elfNN_bfd_is_group_section
190 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
193 #ifndef bfd_elfNN_bfd_discard_group
194 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
197 #ifndef bfd_elfNN_section_already_linked
198 #define bfd_elfNN_section_already_linked \
199 _bfd_elf_section_already_linked
202 #ifndef bfd_elfNN_bfd_define_common_symbol
203 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
206 #ifndef bfd_elfNN_bfd_lookup_section_flags
207 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
210 #ifndef bfd_elfNN_bfd_make_debug_symbol
211 #define bfd_elfNN_bfd_make_debug_symbol \
212 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
215 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
216 #define bfd_elfNN_bfd_copy_private_symbol_data \
217 _bfd_elf_copy_private_symbol_data
220 #ifndef bfd_elfNN_bfd_copy_private_section_data
221 #define bfd_elfNN_bfd_copy_private_section_data \
222 _bfd_elf_copy_private_section_data
224 #ifndef bfd_elfNN_bfd_copy_private_header_data
225 #define bfd_elfNN_bfd_copy_private_header_data \
226 _bfd_elf_copy_private_header_data
228 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
229 #define bfd_elfNN_bfd_copy_private_bfd_data \
230 _bfd_elf_copy_private_bfd_data
232 #ifndef bfd_elfNN_bfd_print_private_bfd_data
233 #define bfd_elfNN_bfd_print_private_bfd_data \
234 _bfd_elf_print_private_bfd_data
236 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
237 #define bfd_elfNN_bfd_merge_private_bfd_data \
238 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
240 #ifndef bfd_elfNN_bfd_set_private_flags
241 #define bfd_elfNN_bfd_set_private_flags \
242 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
244 #ifndef bfd_elfNN_bfd_is_local_label_name
245 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
247 #ifndef bfd_elfNN_bfd_is_target_special_symbol
248 #define bfd_elfNN_bfd_is_target_special_symbol \
249 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
252 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
253 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
254 _bfd_elf_get_dynamic_reloc_upper_bound
256 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
257 #define bfd_elfNN_canonicalize_dynamic_reloc \
258 _bfd_elf_canonicalize_dynamic_reloc
261 #ifdef elf_backend_relocate_section
262 #ifndef bfd_elfNN_bfd_link_hash_table_create
263 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
265 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
266 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
267 _bfd_elf_copy_link_hash_symbol_type
269 #ifndef bfd_elfNN_bfd_link_add_symbols
270 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
272 #ifndef bfd_elfNN_bfd_define_start_stop
273 #define bfd_elfNN_bfd_define_start_stop bfd_elf_define_start_stop
275 #ifndef bfd_elfNN_bfd_final_link
276 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
278 #else /* ! defined (elf_backend_relocate_section) */
279 /* If no backend relocate_section routine, use the generic linker.
280 Note - this will prevent the port from being able to use some of
281 the other features of the ELF linker, because the generic hash structure
282 does not have the fields needed by the ELF linker. In particular it
283 means that linking directly to S-records will not work. */
284 #ifndef bfd_elfNN_bfd_link_hash_table_create
285 #define bfd_elfNN_bfd_link_hash_table_create \
286 _bfd_generic_link_hash_table_create
288 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
289 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
290 _bfd_generic_copy_link_hash_symbol_type
292 #ifndef bfd_elfNN_bfd_link_add_symbols
293 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
295 #ifndef bfd_elfNN_bfd_define_start_stop
296 #define bfd_elfNN_bfd_define_start_stop bfd_generic_define_start_stop
298 #ifndef bfd_elfNN_bfd_final_link
299 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
301 #endif /* ! defined (elf_backend_relocate_section) */
303 #ifndef bfd_elfNN_bfd_link_just_syms
304 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
307 #ifndef bfd_elfNN_bfd_link_split_section
308 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
311 #ifndef bfd_elfNN_bfd_link_check_relocs
312 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
315 #ifndef bfd_elfNN_archive_p
316 #define bfd_elfNN_archive_p bfd_generic_archive_p
319 #ifndef bfd_elfNN_write_archive_contents
320 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
323 #ifndef bfd_elfNN_mkobject
324 #define bfd_elfNN_mkobject bfd_elf_make_object
327 #ifndef bfd_elfNN_mkcorefile
328 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
331 #ifndef bfd_elfNN_mkarchive
332 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
335 #ifndef bfd_elfNN_print_symbol
336 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
339 #ifndef elf_symbol_leading_char
340 #define elf_symbol_leading_char 0
343 #ifndef elf_info_to_howto
344 #define elf_info_to_howto 0
347 #ifndef elf_info_to_howto_rel
348 #define elf_info_to_howto_rel 0
351 #ifndef elf_backend_arch_data
352 #define elf_backend_arch_data NULL
355 #ifndef ELF_TARGET_ID
356 #define ELF_TARGET_ID GENERIC_ELF_DATA
360 #define ELF_OSABI ELFOSABI_NONE
363 #ifndef ELF_MAXPAGESIZE
364 # error ELF_MAXPAGESIZE is not defined
365 #define ELF_MAXPAGESIZE 1
368 #ifndef ELF_COMMONPAGESIZE
369 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
372 #ifndef ELF_MINPAGESIZE
373 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
376 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
377 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
379 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
380 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
383 #ifndef ELF_DYNAMIC_SEC_FLAGS
384 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
385 #define ELF_DYNAMIC_SEC_FLAGS \
386 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
387 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
390 #ifndef elf_backend_collect
391 #define elf_backend_collect FALSE
393 #ifndef elf_backend_type_change_ok
394 #define elf_backend_type_change_ok FALSE
397 #ifndef elf_backend_sym_is_global
398 #define elf_backend_sym_is_global 0
400 #ifndef elf_backend_object_p
401 #define elf_backend_object_p 0
403 #ifndef elf_backend_symbol_processing
404 #define elf_backend_symbol_processing 0
406 #ifndef elf_backend_symbol_table_processing
407 #define elf_backend_symbol_table_processing 0
409 #ifndef elf_backend_get_symbol_type
410 #define elf_backend_get_symbol_type 0
412 #ifndef elf_backend_archive_symbol_lookup
413 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
415 #ifndef elf_backend_name_local_section_symbols
416 #define elf_backend_name_local_section_symbols 0
418 #ifndef elf_backend_section_processing
419 #define elf_backend_section_processing 0
421 #ifndef elf_backend_section_from_shdr
422 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
424 #ifndef elf_backend_section_flags
425 #define elf_backend_section_flags 0
427 #ifndef elf_backend_get_sec_type_attr
428 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
430 #ifndef elf_backend_section_from_phdr
431 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
433 #ifndef elf_backend_fake_sections
434 #define elf_backend_fake_sections 0
436 #ifndef elf_backend_section_from_bfd_section
437 #define elf_backend_section_from_bfd_section 0
439 #ifndef elf_backend_add_symbol_hook
440 #define elf_backend_add_symbol_hook 0
442 #ifndef elf_backend_link_output_symbol_hook
443 #define elf_backend_link_output_symbol_hook 0
445 #ifndef elf_backend_create_dynamic_sections
446 #define elf_backend_create_dynamic_sections 0
448 #ifndef elf_backend_omit_section_dynsym
449 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
451 #ifndef elf_backend_relocs_compatible
452 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
454 #ifndef elf_backend_check_relocs
455 #define elf_backend_check_relocs 0
457 #ifndef elf_backend_check_directives
458 #define elf_backend_check_directives 0
460 #ifndef elf_backend_notice_as_needed
461 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
463 #ifndef elf_backend_adjust_dynamic_symbol
464 #define elf_backend_adjust_dynamic_symbol 0
466 #ifndef elf_backend_always_size_sections
467 #define elf_backend_always_size_sections 0
469 #ifndef elf_backend_size_dynamic_sections
470 #define elf_backend_size_dynamic_sections 0
472 #ifndef elf_backend_init_index_section
473 #define elf_backend_init_index_section \
474 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
476 #ifndef elf_backend_relocate_section
477 #define elf_backend_relocate_section 0
479 #ifndef elf_backend_finish_dynamic_symbol
480 #define elf_backend_finish_dynamic_symbol 0
482 #ifndef elf_backend_finish_dynamic_sections
483 #define elf_backend_finish_dynamic_sections 0
485 #ifndef elf_backend_begin_write_processing
486 #define elf_backend_begin_write_processing 0
488 #ifndef elf_backend_final_write_processing
489 #define elf_backend_final_write_processing 0
491 #ifndef elf_backend_additional_program_headers
492 #define elf_backend_additional_program_headers 0
494 #ifndef elf_backend_modify_segment_map
495 #define elf_backend_modify_segment_map 0
497 #ifndef elf_backend_modify_program_headers
498 #define elf_backend_modify_program_headers 0
500 #ifndef elf_backend_allow_non_load_phdr
501 #define elf_backend_allow_non_load_phdr \
502 ((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
504 #ifndef elf_backend_ecoff_debug_swap
505 #define elf_backend_ecoff_debug_swap 0
507 #ifndef elf_backend_bfd_from_remote_memory
508 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
510 #ifndef elf_backend_got_header_size
511 #define elf_backend_got_header_size 0
513 #ifndef elf_backend_got_elt_size
514 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
516 #ifndef elf_backend_obj_attrs_vendor
517 #define elf_backend_obj_attrs_vendor NULL
519 #ifndef elf_backend_obj_attrs_section
520 #define elf_backend_obj_attrs_section NULL
522 #ifndef elf_backend_obj_attrs_arg_type
523 #define elf_backend_obj_attrs_arg_type NULL
525 #ifndef elf_backend_obj_attrs_section_type
526 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
528 #ifndef elf_backend_obj_attrs_order
529 #define elf_backend_obj_attrs_order NULL
531 #ifndef elf_backend_obj_attrs_handle_unknown
532 #define elf_backend_obj_attrs_handle_unknown NULL
534 #ifndef elf_backend_parse_gnu_properties
535 #define elf_backend_parse_gnu_properties NULL
537 #ifndef elf_backend_merge_gnu_properties
538 #define elf_backend_merge_gnu_properties NULL
540 #ifndef elf_backend_setup_gnu_properties
541 #define elf_backend_setup_gnu_properties _bfd_elf_link_setup_gnu_properties
543 #ifndef elf_backend_static_tls_alignment
544 #define elf_backend_static_tls_alignment 1
546 #ifndef elf_backend_post_process_headers
547 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
549 #ifndef elf_backend_print_symbol_all
550 #define elf_backend_print_symbol_all NULL
552 #ifndef elf_backend_output_arch_local_syms
553 #define elf_backend_output_arch_local_syms NULL
555 #ifndef elf_backend_output_arch_syms
556 #define elf_backend_output_arch_syms NULL
558 #ifndef elf_backend_filter_implib_symbols
559 #define elf_backend_filter_implib_symbols NULL
561 #ifndef elf_backend_copy_indirect_symbol
562 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
564 #ifndef elf_backend_hide_symbol
565 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
567 #ifndef elf_backend_fixup_symbol
568 #define elf_backend_fixup_symbol NULL
570 #ifndef elf_backend_merge_symbol_attribute
571 #define elf_backend_merge_symbol_attribute NULL
573 #ifndef elf_backend_get_target_dtag
574 #define elf_backend_get_target_dtag NULL
576 #ifndef elf_backend_ignore_undef_symbol
577 #define elf_backend_ignore_undef_symbol NULL
579 #ifndef elf_backend_emit_relocs
580 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
582 #ifndef elf_backend_update_relocs
583 #define elf_backend_update_relocs NULL
585 #ifndef elf_backend_count_relocs
586 #define elf_backend_count_relocs NULL
588 #ifndef elf_backend_count_additional_relocs
589 #define elf_backend_count_additional_relocs NULL
591 #ifndef elf_backend_sort_relocs_p
592 #define elf_backend_sort_relocs_p NULL
594 #ifndef elf_backend_grok_prstatus
595 #define elf_backend_grok_prstatus NULL
597 #ifndef elf_backend_grok_psinfo
598 #define elf_backend_grok_psinfo NULL
600 #ifndef elf_backend_write_core_note
601 #define elf_backend_write_core_note NULL
603 #ifndef elf_backend_lookup_section_flags_hook
604 #define elf_backend_lookup_section_flags_hook NULL
606 #ifndef elf_backend_reloc_type_class
607 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
609 #ifndef elf_backend_discard_info
610 #define elf_backend_discard_info NULL
612 #ifndef elf_backend_ignore_discarded_relocs
613 #define elf_backend_ignore_discarded_relocs NULL
615 #ifndef elf_backend_action_discarded
616 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
618 #ifndef elf_backend_eh_frame_address_size
619 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
621 #ifndef elf_backend_can_make_relative_eh_frame
622 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
624 #ifndef elf_backend_can_make_lsda_relative_eh_frame
625 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
627 #ifndef elf_backend_encode_eh_address
628 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
630 #ifndef elf_backend_write_section
631 #define elf_backend_write_section NULL
633 #ifndef elf_backend_mips_irix_compat
634 #define elf_backend_mips_irix_compat NULL
636 #ifndef elf_backend_mips_rtype_to_howto
637 #define elf_backend_mips_rtype_to_howto NULL
640 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
641 sections, but not both. They defined USE_REL to indicate SHT_REL
642 sections, and left it undefined to indicated SHT_RELA sections.
643 For backwards compatibility, we still support this usage. */
648 /* Use these in new code. */
649 #ifndef elf_backend_may_use_rel_p
650 #define elf_backend_may_use_rel_p USE_REL
652 #ifndef elf_backend_may_use_rela_p
653 #define elf_backend_may_use_rela_p !USE_REL
655 #ifndef elf_backend_default_use_rela_p
656 #define elf_backend_default_use_rela_p !USE_REL
658 #ifndef elf_backend_rela_plts_and_copies_p
659 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
662 #ifndef elf_backend_rela_normal
663 #define elf_backend_rela_normal 0
666 #ifndef elf_backend_dtrel_excludes_plt
667 #define elf_backend_dtrel_excludes_plt 0
670 #ifndef elf_backend_plt_sym_val
671 #define elf_backend_plt_sym_val NULL
673 #ifndef elf_backend_relplt_name
674 #define elf_backend_relplt_name NULL
677 #ifndef ELF_MACHINE_ALT1
678 #define ELF_MACHINE_ALT1 0
681 #ifndef ELF_MACHINE_ALT2
682 #define ELF_MACHINE_ALT2 0
685 #ifndef elf_backend_size_info
686 #define elf_backend_size_info _bfd_elfNN_size_info
689 #ifndef elf_backend_special_sections
690 #define elf_backend_special_sections NULL
693 #ifndef elf_backend_sign_extend_vma
694 #define elf_backend_sign_extend_vma 0
697 #ifndef elf_backend_link_order_error_handler
698 #define elf_backend_link_order_error_handler _bfd_error_handler
701 #ifndef elf_backend_common_definition
702 #define elf_backend_common_definition _bfd_elf_common_definition
705 #ifndef elf_backend_common_section_index
706 #define elf_backend_common_section_index _bfd_elf_common_section_index
709 #ifndef elf_backend_common_section
710 #define elf_backend_common_section _bfd_elf_common_section
713 #ifndef elf_backend_merge_symbol
714 #define elf_backend_merge_symbol NULL
717 #ifndef elf_backend_hash_symbol
718 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
721 #ifndef elf_backend_is_function_type
722 #define elf_backend_is_function_type _bfd_elf_is_function_type
725 #ifndef elf_backend_maybe_function_sym
726 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
729 #ifndef elf_backend_get_reloc_section
730 #define elf_backend_get_reloc_section _bfd_elf_plt_get_reloc_section
733 #ifndef elf_backend_copy_special_section_fields
734 #define elf_backend_copy_special_section_fields NULL
737 #ifndef elf_backend_compact_eh_encoding
738 #define elf_backend_compact_eh_encoding NULL
741 #ifndef elf_backend_cant_unwind_opcode
742 #define elf_backend_cant_unwind_opcode 0
745 #ifndef elf_match_priority
746 #define elf_match_priority \
747 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
750 extern const struct elf_size_info _bfd_elfNN_size_info;
752 static struct elf_backend_data elfNN_bed =
755 ELF_TARGET_ID, /* target_id */
756 ELF_MACHINE_CODE, /* elf_machine_code */
757 ELF_OSABI, /* elf_osabi */
758 ELF_MAXPAGESIZE, /* maxpagesize */
759 ELF_MINPAGESIZE, /* minpagesize */
760 ELF_COMMONPAGESIZE, /* commonpagesize */
761 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
762 elf_backend_arch_data,
764 elf_info_to_howto_rel,
765 elf_backend_sym_is_global,
766 elf_backend_object_p,
767 elf_backend_symbol_processing,
768 elf_backend_symbol_table_processing,
769 elf_backend_get_symbol_type,
770 elf_backend_archive_symbol_lookup,
771 elf_backend_name_local_section_symbols,
772 elf_backend_section_processing,
773 elf_backend_section_from_shdr,
774 elf_backend_section_flags,
775 elf_backend_get_sec_type_attr,
776 elf_backend_section_from_phdr,
777 elf_backend_fake_sections,
778 elf_backend_section_from_bfd_section,
779 elf_backend_add_symbol_hook,
780 elf_backend_link_output_symbol_hook,
781 elf_backend_create_dynamic_sections,
782 elf_backend_omit_section_dynsym,
783 elf_backend_relocs_compatible,
784 elf_backend_check_relocs,
785 elf_backend_check_directives,
786 elf_backend_notice_as_needed,
787 elf_backend_adjust_dynamic_symbol,
788 elf_backend_always_size_sections,
789 elf_backend_size_dynamic_sections,
790 elf_backend_init_index_section,
791 elf_backend_relocate_section,
792 elf_backend_finish_dynamic_symbol,
793 elf_backend_finish_dynamic_sections,
794 elf_backend_begin_write_processing,
795 elf_backend_final_write_processing,
796 elf_backend_additional_program_headers,
797 elf_backend_modify_segment_map,
798 elf_backend_modify_program_headers,
799 elf_backend_allow_non_load_phdr,
801 elf_backend_gc_mark_dynamic_ref,
802 elf_backend_gc_mark_hook,
803 elf_backend_gc_mark_extra_sections,
804 elf_backend_gc_sweep_hook,
805 elf_backend_post_process_headers,
806 elf_backend_print_symbol_all,
807 elf_backend_output_arch_local_syms,
808 elf_backend_output_arch_syms,
809 elf_backend_filter_implib_symbols,
810 elf_backend_copy_indirect_symbol,
811 elf_backend_hide_symbol,
812 elf_backend_fixup_symbol,
813 elf_backend_merge_symbol_attribute,
814 elf_backend_get_target_dtag,
815 elf_backend_ignore_undef_symbol,
816 elf_backend_emit_relocs,
817 elf_backend_update_relocs,
818 elf_backend_count_relocs,
819 elf_backend_count_additional_relocs,
820 elf_backend_sort_relocs_p,
821 elf_backend_grok_prstatus,
822 elf_backend_grok_psinfo,
823 elf_backend_write_core_note,
824 elf_backend_lookup_section_flags_hook,
825 elf_backend_reloc_type_class,
826 elf_backend_discard_info,
827 elf_backend_ignore_discarded_relocs,
828 elf_backend_action_discarded,
829 elf_backend_eh_frame_address_size,
830 elf_backend_can_make_relative_eh_frame,
831 elf_backend_can_make_lsda_relative_eh_frame,
832 elf_backend_encode_eh_address,
833 elf_backend_write_section,
834 elf_backend_mips_irix_compat,
835 elf_backend_mips_rtype_to_howto,
836 elf_backend_ecoff_debug_swap,
837 elf_backend_bfd_from_remote_memory,
838 elf_backend_plt_sym_val,
839 elf_backend_common_definition,
840 elf_backend_common_section_index,
841 elf_backend_common_section,
842 elf_backend_merge_symbol,
843 elf_backend_hash_symbol,
844 elf_backend_is_function_type,
845 elf_backend_maybe_function_sym,
846 elf_backend_get_reloc_section,
847 elf_backend_copy_special_section_fields,
848 elf_backend_link_order_error_handler,
849 elf_backend_relplt_name,
852 &elf_backend_size_info,
853 elf_backend_special_sections,
854 elf_backend_got_header_size,
855 elf_backend_got_elt_size,
856 elf_backend_obj_attrs_vendor,
857 elf_backend_obj_attrs_section,
858 elf_backend_obj_attrs_arg_type,
859 elf_backend_obj_attrs_section_type,
860 elf_backend_obj_attrs_order,
861 elf_backend_obj_attrs_handle_unknown,
862 elf_backend_parse_gnu_properties,
863 elf_backend_merge_gnu_properties,
864 elf_backend_setup_gnu_properties,
865 elf_backend_compact_eh_encoding,
866 elf_backend_cant_unwind_opcode,
867 elf_backend_static_tls_alignment,
868 elf_backend_stack_align,
869 elf_backend_strtab_flags,
871 elf_backend_type_change_ok,
872 elf_backend_may_use_rel_p,
873 elf_backend_may_use_rela_p,
874 elf_backend_default_use_rela_p,
875 elf_backend_rela_plts_and_copies_p,
876 elf_backend_rela_normal,
877 elf_backend_dtrel_excludes_plt,
878 elf_backend_sign_extend_vma,
879 elf_backend_want_got_plt,
880 elf_backend_plt_readonly,
881 elf_backend_want_plt_sym,
882 elf_backend_plt_not_loaded,
883 elf_backend_plt_alignment,
884 elf_backend_can_gc_sections,
885 elf_backend_can_refcount,
886 elf_backend_want_got_sym,
887 elf_backend_want_dynbss,
888 elf_backend_want_dynrelro,
889 elf_backend_want_p_paddr_set_to_zero,
890 elf_backend_no_page_alias,
891 elf_backend_default_execstack,
892 elf_backend_caches_rawsize,
893 elf_backend_extern_protected_data,
894 elf_backend_always_renumber_dynsyms
897 /* Forward declaration for use when initialising alternative_target field. */
898 #ifdef TARGET_LITTLE_SYM
899 extern const bfd_target TARGET_LITTLE_SYM;
902 #ifdef TARGET_BIG_SYM
903 const bfd_target TARGET_BIG_SYM =
905 /* name: identify kind of target */
908 /* flavour: general indication about file */
909 bfd_target_elf_flavour,
911 /* byteorder: data is big endian */
914 /* header_byteorder: header is also big endian */
917 /* object_flags: mask of all file flags */
918 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
919 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
920 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
922 /* section_flags: mask of all section flags */
923 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
924 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
925 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
927 /* leading_symbol_char: is the first char of a user symbol
928 predictable, and if so what is it */
929 elf_symbol_leading_char,
931 /* ar_pad_char: pad character for filenames within an archive header
932 FIXME: this really has nothing to do with ELF, this is a characteristic
933 of the archiver and/or os and should be independently tunable */
936 /* ar_max_namelen: maximum number of characters in an archive header
937 FIXME: this really has nothing to do with ELF, this is a characteristic
938 of the archiver and should be independently tunable. The System V ABI,
939 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
944 /* Routines to byte-swap various sized integers from the data sections */
945 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
946 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
947 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
949 /* Routines to byte-swap various sized integers from the file headers */
950 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
951 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
952 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
954 /* bfd_check_format: check the format of a file being read */
955 { _bfd_dummy_target, /* unknown format */
956 bfd_elfNN_object_p, /* assembler/linker output (object file) */
957 bfd_elfNN_archive_p, /* an archive */
958 bfd_elfNN_core_file_p /* a core file */
961 /* bfd_set_format: set the format of a file being written */
968 /* bfd_write_contents: write cached information into a file being written */
970 bfd_elfNN_write_object_contents,
971 bfd_elfNN_write_archive_contents,
972 bfd_elfNN_write_corefile_contents,
975 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
976 BFD_JUMP_TABLE_COPY (bfd_elfNN),
977 BFD_JUMP_TABLE_CORE (bfd_elfNN),
978 #ifdef bfd_elfNN_archive_functions
979 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
980 #elif defined USE_64_BIT_ARCHIVE
981 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
983 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
985 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
986 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
987 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
988 BFD_JUMP_TABLE_LINK (bfd_elfNN),
989 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
991 /* Alternative endian target. */
992 #ifdef TARGET_LITTLE_SYM
1003 #ifdef TARGET_LITTLE_SYM
1004 const bfd_target TARGET_LITTLE_SYM =
1006 /* name: identify kind of target */
1009 /* flavour: general indication about file */
1010 bfd_target_elf_flavour,
1012 /* byteorder: data is little endian */
1015 /* header_byteorder: header is also little endian */
1018 /* object_flags: mask of all file flags */
1019 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
1020 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
1021 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
1023 /* section_flags: mask of all section flags */
1024 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
1025 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
1026 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
1028 /* leading_symbol_char: is the first char of a user symbol
1029 predictable, and if so what is it */
1030 elf_symbol_leading_char,
1032 /* ar_pad_char: pad character for filenames within an archive header
1033 FIXME: this really has nothing to do with ELF, this is a characteristic
1034 of the archiver and/or os and should be independently tunable */
1037 /* ar_max_namelen: maximum number of characters in an archive header
1038 FIXME: this really has nothing to do with ELF, this is a characteristic
1039 of the archiver and should be independently tunable. The System V ABI,
1040 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1045 /* Routines to byte-swap various sized integers from the data sections */
1046 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1047 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1048 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1050 /* Routines to byte-swap various sized integers from the file headers */
1051 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1052 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1053 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1055 /* bfd_check_format: check the format of a file being read */
1056 { _bfd_dummy_target, /* unknown format */
1057 bfd_elfNN_object_p, /* assembler/linker output (object file) */
1058 bfd_elfNN_archive_p, /* an archive */
1059 bfd_elfNN_core_file_p /* a core file */
1062 /* bfd_set_format: set the format of a file being written */
1065 bfd_elfNN_mkarchive,
1066 bfd_elfNN_mkcorefile
1069 /* bfd_write_contents: write cached information into a file being written */
1071 bfd_elfNN_write_object_contents,
1072 bfd_elfNN_write_archive_contents,
1073 bfd_elfNN_write_corefile_contents,
1076 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1077 BFD_JUMP_TABLE_COPY (bfd_elfNN),
1078 BFD_JUMP_TABLE_CORE (bfd_elfNN),
1079 #ifdef bfd_elfNN_archive_functions
1080 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1081 #elif defined USE_64_BIT_ARCHIVE
1082 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
1084 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1086 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1087 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1088 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1089 BFD_JUMP_TABLE_LINK (bfd_elfNN),
1090 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1092 /* Alternative endian target. */
1093 #ifdef TARGET_BIG_SYM