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_linux_prpsinfo64_ugid16
139 #define elf_backend_linux_prpsinfo64_ugid16 FALSE
141 #ifndef elf_backend_stack_align
142 #define elf_backend_stack_align 16
144 #ifndef elf_backend_strtab_flags
145 #define elf_backend_strtab_flags 0
148 #define bfd_elfNN_bfd_debug_info_start bfd_void
149 #define bfd_elfNN_bfd_debug_info_end bfd_void
150 #define bfd_elfNN_bfd_debug_info_accumulate \
151 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
153 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
154 #define bfd_elfNN_bfd_get_relocated_section_contents \
155 bfd_generic_get_relocated_section_contents
158 #ifndef bfd_elfNN_bfd_relax_section
159 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
162 #ifndef elf_backend_can_gc_sections
163 #define elf_backend_can_gc_sections 0
165 #ifndef elf_backend_can_refcount
166 #define elf_backend_can_refcount 0
168 #ifndef elf_backend_want_got_sym
169 #define elf_backend_want_got_sym 1
171 #ifndef elf_backend_gc_keep
172 #define elf_backend_gc_keep _bfd_elf_gc_keep
174 #ifndef elf_backend_gc_mark_dynamic_ref
175 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
177 #ifndef elf_backend_gc_mark_hook
178 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
180 #ifndef elf_backend_gc_mark_extra_sections
181 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
183 #ifndef elf_backend_gc_sweep_hook
184 #define elf_backend_gc_sweep_hook NULL
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_discard_group
200 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
203 #ifndef bfd_elfNN_section_already_linked
204 #define bfd_elfNN_section_already_linked \
205 _bfd_elf_section_already_linked
208 #ifndef bfd_elfNN_bfd_define_common_symbol
209 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
212 #ifndef bfd_elfNN_bfd_lookup_section_flags
213 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
216 #ifndef bfd_elfNN_bfd_make_debug_symbol
217 #define bfd_elfNN_bfd_make_debug_symbol \
218 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
221 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
222 #define bfd_elfNN_bfd_copy_private_symbol_data \
223 _bfd_elf_copy_private_symbol_data
226 #ifndef bfd_elfNN_bfd_copy_private_section_data
227 #define bfd_elfNN_bfd_copy_private_section_data \
228 _bfd_elf_copy_private_section_data
230 #ifndef bfd_elfNN_bfd_copy_private_header_data
231 #define bfd_elfNN_bfd_copy_private_header_data \
232 _bfd_elf_copy_private_header_data
234 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
235 #define bfd_elfNN_bfd_copy_private_bfd_data \
236 _bfd_elf_copy_private_bfd_data
238 #ifndef bfd_elfNN_bfd_print_private_bfd_data
239 #define bfd_elfNN_bfd_print_private_bfd_data \
240 _bfd_elf_print_private_bfd_data
242 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
243 #define bfd_elfNN_bfd_merge_private_bfd_data \
244 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
246 #ifndef bfd_elfNN_bfd_set_private_flags
247 #define bfd_elfNN_bfd_set_private_flags \
248 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
250 #ifndef bfd_elfNN_bfd_is_local_label_name
251 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
253 #ifndef bfd_elfNN_bfd_is_target_special_symbol
254 #define bfd_elfNN_bfd_is_target_special_symbol \
255 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
258 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
259 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
260 _bfd_elf_get_dynamic_reloc_upper_bound
262 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
263 #define bfd_elfNN_canonicalize_dynamic_reloc \
264 _bfd_elf_canonicalize_dynamic_reloc
267 #ifdef elf_backend_relocate_section
268 #ifndef bfd_elfNN_bfd_link_hash_table_create
269 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
271 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
272 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
273 _bfd_elf_copy_link_hash_symbol_type
275 #ifndef bfd_elfNN_bfd_link_add_symbols
276 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
278 #ifndef bfd_elfNN_bfd_define_start_stop
279 #define bfd_elfNN_bfd_define_start_stop bfd_elf_define_start_stop
281 #ifndef bfd_elfNN_bfd_final_link
282 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
284 #else /* ! defined (elf_backend_relocate_section) */
285 /* If no backend relocate_section routine, use the generic linker.
286 Note - this will prevent the port from being able to use some of
287 the other features of the ELF linker, because the generic hash structure
288 does not have the fields needed by the ELF linker. In particular it
289 means that linking directly to S-records will not work. */
290 #ifndef bfd_elfNN_bfd_link_hash_table_create
291 #define bfd_elfNN_bfd_link_hash_table_create \
292 _bfd_generic_link_hash_table_create
294 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
295 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
296 _bfd_generic_copy_link_hash_symbol_type
298 #ifndef bfd_elfNN_bfd_link_add_symbols
299 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
301 #ifndef bfd_elfNN_bfd_define_start_stop
302 #define bfd_elfNN_bfd_define_start_stop bfd_generic_define_start_stop
304 #ifndef bfd_elfNN_bfd_final_link
305 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
307 #endif /* ! defined (elf_backend_relocate_section) */
309 #ifndef bfd_elfNN_bfd_link_just_syms
310 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
313 #ifndef bfd_elfNN_bfd_link_split_section
314 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
317 #ifndef bfd_elfNN_bfd_link_check_relocs
318 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
321 #ifndef bfd_elfNN_archive_p
322 #define bfd_elfNN_archive_p bfd_generic_archive_p
325 #ifndef bfd_elfNN_write_archive_contents
326 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
329 #ifndef bfd_elfNN_mkobject
330 #define bfd_elfNN_mkobject bfd_elf_make_object
333 #ifndef bfd_elfNN_mkcorefile
334 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
337 #ifndef bfd_elfNN_mkarchive
338 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
341 #ifndef bfd_elfNN_print_symbol
342 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
345 #ifndef elf_symbol_leading_char
346 #define elf_symbol_leading_char 0
349 #ifndef elf_info_to_howto
350 #define elf_info_to_howto 0
353 #ifndef elf_info_to_howto_rel
354 #define elf_info_to_howto_rel 0
357 #ifndef elf_backend_arch_data
358 #define elf_backend_arch_data NULL
361 #ifndef ELF_TARGET_ID
362 #define ELF_TARGET_ID GENERIC_ELF_DATA
366 #define ELF_OSABI ELFOSABI_NONE
369 #ifndef ELF_MAXPAGESIZE
370 # error ELF_MAXPAGESIZE is not defined
371 #define ELF_MAXPAGESIZE 1
374 #ifndef ELF_COMMONPAGESIZE
375 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
378 #ifndef ELF_MINPAGESIZE
379 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
382 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
383 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
385 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
386 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
389 #ifndef ELF_DYNAMIC_SEC_FLAGS
390 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
391 #define ELF_DYNAMIC_SEC_FLAGS \
392 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
393 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
396 #ifndef elf_backend_collect
397 #define elf_backend_collect FALSE
399 #ifndef elf_backend_type_change_ok
400 #define elf_backend_type_change_ok FALSE
403 #ifndef elf_backend_sym_is_global
404 #define elf_backend_sym_is_global 0
406 #ifndef elf_backend_object_p
407 #define elf_backend_object_p 0
409 #ifndef elf_backend_symbol_processing
410 #define elf_backend_symbol_processing 0
412 #ifndef elf_backend_symbol_table_processing
413 #define elf_backend_symbol_table_processing 0
415 #ifndef elf_backend_get_symbol_type
416 #define elf_backend_get_symbol_type 0
418 #ifndef elf_backend_archive_symbol_lookup
419 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
421 #ifndef elf_backend_name_local_section_symbols
422 #define elf_backend_name_local_section_symbols 0
424 #ifndef elf_backend_section_processing
425 #define elf_backend_section_processing 0
427 #ifndef elf_backend_section_from_shdr
428 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
430 #ifndef elf_backend_section_flags
431 #define elf_backend_section_flags 0
433 #ifndef elf_backend_get_sec_type_attr
434 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
436 #ifndef elf_backend_section_from_phdr
437 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
439 #ifndef elf_backend_fake_sections
440 #define elf_backend_fake_sections 0
442 #ifndef elf_backend_section_from_bfd_section
443 #define elf_backend_section_from_bfd_section 0
445 #ifndef elf_backend_add_symbol_hook
446 #define elf_backend_add_symbol_hook 0
448 #ifndef elf_backend_link_output_symbol_hook
449 #define elf_backend_link_output_symbol_hook 0
451 #ifndef elf_backend_create_dynamic_sections
452 #define elf_backend_create_dynamic_sections 0
454 #ifndef elf_backend_omit_section_dynsym
455 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
457 #ifndef elf_backend_relocs_compatible
458 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
460 #ifndef elf_backend_check_relocs
461 #define elf_backend_check_relocs 0
463 #ifndef elf_backend_check_directives
464 #define elf_backend_check_directives 0
466 #ifndef elf_backend_notice_as_needed
467 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
469 #ifndef elf_backend_adjust_dynamic_symbol
470 #define elf_backend_adjust_dynamic_symbol 0
472 #ifndef elf_backend_always_size_sections
473 #define elf_backend_always_size_sections 0
475 #ifndef elf_backend_size_dynamic_sections
476 #define elf_backend_size_dynamic_sections 0
478 #ifndef elf_backend_init_index_section
479 #define elf_backend_init_index_section \
480 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
482 #ifndef elf_backend_relocate_section
483 #define elf_backend_relocate_section 0
485 #ifndef elf_backend_finish_dynamic_symbol
486 #define elf_backend_finish_dynamic_symbol 0
488 #ifndef elf_backend_finish_dynamic_sections
489 #define elf_backend_finish_dynamic_sections 0
491 #ifndef elf_backend_begin_write_processing
492 #define elf_backend_begin_write_processing 0
494 #ifndef elf_backend_final_write_processing
495 #define elf_backend_final_write_processing 0
497 #ifndef elf_backend_additional_program_headers
498 #define elf_backend_additional_program_headers 0
500 #ifndef elf_backend_modify_segment_map
501 #define elf_backend_modify_segment_map 0
503 #ifndef elf_backend_modify_program_headers
504 #define elf_backend_modify_program_headers 0
506 #ifndef elf_backend_allow_non_load_phdr
507 #define elf_backend_allow_non_load_phdr \
508 ((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
510 #ifndef elf_backend_ecoff_debug_swap
511 #define elf_backend_ecoff_debug_swap 0
513 #ifndef elf_backend_bfd_from_remote_memory
514 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
516 #ifndef elf_backend_got_header_size
517 #define elf_backend_got_header_size 0
519 #ifndef elf_backend_got_elt_size
520 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
522 #ifndef elf_backend_obj_attrs_vendor
523 #define elf_backend_obj_attrs_vendor NULL
525 #ifndef elf_backend_obj_attrs_section
526 #define elf_backend_obj_attrs_section NULL
528 #ifndef elf_backend_obj_attrs_arg_type
529 #define elf_backend_obj_attrs_arg_type NULL
531 #ifndef elf_backend_obj_attrs_section_type
532 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
534 #ifndef elf_backend_obj_attrs_order
535 #define elf_backend_obj_attrs_order NULL
537 #ifndef elf_backend_obj_attrs_handle_unknown
538 #define elf_backend_obj_attrs_handle_unknown NULL
540 #ifndef elf_backend_parse_gnu_properties
541 #define elf_backend_parse_gnu_properties NULL
543 #ifndef elf_backend_merge_gnu_properties
544 #define elf_backend_merge_gnu_properties NULL
546 #ifndef elf_backend_setup_gnu_properties
547 #define elf_backend_setup_gnu_properties _bfd_elf_link_setup_gnu_properties
549 #ifndef elf_backend_static_tls_alignment
550 #define elf_backend_static_tls_alignment 1
552 #ifndef elf_backend_post_process_headers
553 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
555 #ifndef elf_backend_print_symbol_all
556 #define elf_backend_print_symbol_all NULL
558 #ifndef elf_backend_output_arch_local_syms
559 #define elf_backend_output_arch_local_syms NULL
561 #ifndef elf_backend_output_arch_syms
562 #define elf_backend_output_arch_syms NULL
564 #ifndef elf_backend_filter_implib_symbols
565 #define elf_backend_filter_implib_symbols NULL
567 #ifndef elf_backend_copy_indirect_symbol
568 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
570 #ifndef elf_backend_hide_symbol
571 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
573 #ifndef elf_backend_fixup_symbol
574 #define elf_backend_fixup_symbol NULL
576 #ifndef elf_backend_merge_symbol_attribute
577 #define elf_backend_merge_symbol_attribute NULL
579 #ifndef elf_backend_get_target_dtag
580 #define elf_backend_get_target_dtag NULL
582 #ifndef elf_backend_ignore_undef_symbol
583 #define elf_backend_ignore_undef_symbol NULL
585 #ifndef elf_backend_emit_relocs
586 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
588 #ifndef elf_backend_update_relocs
589 #define elf_backend_update_relocs NULL
591 #ifndef elf_backend_count_relocs
592 #define elf_backend_count_relocs NULL
594 #ifndef elf_backend_count_additional_relocs
595 #define elf_backend_count_additional_relocs NULL
597 #ifndef elf_backend_sort_relocs_p
598 #define elf_backend_sort_relocs_p NULL
600 #ifndef elf_backend_grok_prstatus
601 #define elf_backend_grok_prstatus NULL
603 #ifndef elf_backend_grok_psinfo
604 #define elf_backend_grok_psinfo NULL
606 #ifndef elf_backend_grok_freebsd_prstatus
607 #define elf_backend_grok_freebsd_prstatus NULL
609 #ifndef elf_backend_write_core_note
610 #define elf_backend_write_core_note NULL
612 #ifndef elf_backend_lookup_section_flags_hook
613 #define elf_backend_lookup_section_flags_hook NULL
615 #ifndef elf_backend_reloc_type_class
616 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
618 #ifndef elf_backend_discard_info
619 #define elf_backend_discard_info NULL
621 #ifndef elf_backend_ignore_discarded_relocs
622 #define elf_backend_ignore_discarded_relocs NULL
624 #ifndef elf_backend_action_discarded
625 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
627 #ifndef elf_backend_eh_frame_address_size
628 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
630 #ifndef elf_backend_can_make_relative_eh_frame
631 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
633 #ifndef elf_backend_can_make_lsda_relative_eh_frame
634 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
636 #ifndef elf_backend_encode_eh_address
637 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
639 #ifndef elf_backend_write_section
640 #define elf_backend_write_section NULL
642 #ifndef elf_backend_mips_irix_compat
643 #define elf_backend_mips_irix_compat NULL
645 #ifndef elf_backend_mips_rtype_to_howto
646 #define elf_backend_mips_rtype_to_howto NULL
649 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
650 sections, but not both. They defined USE_REL to indicate SHT_REL
651 sections, and left it undefined to indicated SHT_RELA sections.
652 For backwards compatibility, we still support this usage. */
657 /* Use these in new code. */
658 #ifndef elf_backend_may_use_rel_p
659 #define elf_backend_may_use_rel_p USE_REL
661 #ifndef elf_backend_may_use_rela_p
662 #define elf_backend_may_use_rela_p !USE_REL
664 #ifndef elf_backend_default_use_rela_p
665 #define elf_backend_default_use_rela_p !USE_REL
667 #ifndef elf_backend_rela_plts_and_copies_p
668 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
671 #ifndef elf_backend_rela_normal
672 #define elf_backend_rela_normal 0
675 #ifndef elf_backend_dtrel_excludes_plt
676 #define elf_backend_dtrel_excludes_plt 0
679 #ifndef elf_backend_plt_sym_val
680 #define elf_backend_plt_sym_val NULL
682 #ifndef elf_backend_relplt_name
683 #define elf_backend_relplt_name NULL
686 #ifndef ELF_MACHINE_ALT1
687 #define ELF_MACHINE_ALT1 0
690 #ifndef ELF_MACHINE_ALT2
691 #define ELF_MACHINE_ALT2 0
694 #ifndef elf_backend_size_info
695 #define elf_backend_size_info _bfd_elfNN_size_info
698 #ifndef elf_backend_special_sections
699 #define elf_backend_special_sections NULL
702 #ifndef elf_backend_sign_extend_vma
703 #define elf_backend_sign_extend_vma 0
706 #ifndef elf_backend_link_order_error_handler
707 #define elf_backend_link_order_error_handler _bfd_error_handler
710 #ifndef elf_backend_common_definition
711 #define elf_backend_common_definition _bfd_elf_common_definition
714 #ifndef elf_backend_common_section_index
715 #define elf_backend_common_section_index _bfd_elf_common_section_index
718 #ifndef elf_backend_common_section
719 #define elf_backend_common_section _bfd_elf_common_section
722 #ifndef elf_backend_merge_symbol
723 #define elf_backend_merge_symbol NULL
726 #ifndef elf_backend_hash_symbol
727 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
730 #ifndef elf_backend_is_function_type
731 #define elf_backend_is_function_type _bfd_elf_is_function_type
734 #ifndef elf_backend_maybe_function_sym
735 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
738 #ifndef elf_backend_get_reloc_section
739 #define elf_backend_get_reloc_section _bfd_elf_plt_get_reloc_section
742 #ifndef elf_backend_copy_special_section_fields
743 #define elf_backend_copy_special_section_fields NULL
746 #ifndef elf_backend_compact_eh_encoding
747 #define elf_backend_compact_eh_encoding NULL
750 #ifndef elf_backend_cant_unwind_opcode
751 #define elf_backend_cant_unwind_opcode 0
754 #ifndef elf_match_priority
755 #define elf_match_priority \
756 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
759 extern const struct elf_size_info _bfd_elfNN_size_info
;
761 static struct elf_backend_data elfNN_bed
=
764 ELF_TARGET_ID
, /* target_id */
765 ELF_MACHINE_CODE
, /* elf_machine_code */
766 ELF_OSABI
, /* elf_osabi */
767 ELF_MAXPAGESIZE
, /* maxpagesize */
768 ELF_MINPAGESIZE
, /* minpagesize */
769 ELF_COMMONPAGESIZE
, /* commonpagesize */
770 ELF_DYNAMIC_SEC_FLAGS
, /* dynamic_sec_flags */
771 elf_backend_arch_data
,
773 elf_info_to_howto_rel
,
774 elf_backend_sym_is_global
,
775 elf_backend_object_p
,
776 elf_backend_symbol_processing
,
777 elf_backend_symbol_table_processing
,
778 elf_backend_get_symbol_type
,
779 elf_backend_archive_symbol_lookup
,
780 elf_backend_name_local_section_symbols
,
781 elf_backend_section_processing
,
782 elf_backend_section_from_shdr
,
783 elf_backend_section_flags
,
784 elf_backend_get_sec_type_attr
,
785 elf_backend_section_from_phdr
,
786 elf_backend_fake_sections
,
787 elf_backend_section_from_bfd_section
,
788 elf_backend_add_symbol_hook
,
789 elf_backend_link_output_symbol_hook
,
790 elf_backend_create_dynamic_sections
,
791 elf_backend_omit_section_dynsym
,
792 elf_backend_relocs_compatible
,
793 elf_backend_check_relocs
,
794 elf_backend_check_directives
,
795 elf_backend_notice_as_needed
,
796 elf_backend_adjust_dynamic_symbol
,
797 elf_backend_always_size_sections
,
798 elf_backend_size_dynamic_sections
,
799 elf_backend_init_index_section
,
800 elf_backend_relocate_section
,
801 elf_backend_finish_dynamic_symbol
,
802 elf_backend_finish_dynamic_sections
,
803 elf_backend_begin_write_processing
,
804 elf_backend_final_write_processing
,
805 elf_backend_additional_program_headers
,
806 elf_backend_modify_segment_map
,
807 elf_backend_modify_program_headers
,
808 elf_backend_allow_non_load_phdr
,
810 elf_backend_gc_mark_dynamic_ref
,
811 elf_backend_gc_mark_hook
,
812 elf_backend_gc_mark_extra_sections
,
813 elf_backend_gc_sweep_hook
,
814 elf_backend_post_process_headers
,
815 elf_backend_print_symbol_all
,
816 elf_backend_output_arch_local_syms
,
817 elf_backend_output_arch_syms
,
818 elf_backend_filter_implib_symbols
,
819 elf_backend_copy_indirect_symbol
,
820 elf_backend_hide_symbol
,
821 elf_backend_fixup_symbol
,
822 elf_backend_merge_symbol_attribute
,
823 elf_backend_get_target_dtag
,
824 elf_backend_ignore_undef_symbol
,
825 elf_backend_emit_relocs
,
826 elf_backend_update_relocs
,
827 elf_backend_count_relocs
,
828 elf_backend_count_additional_relocs
,
829 elf_backend_sort_relocs_p
,
830 elf_backend_grok_prstatus
,
831 elf_backend_grok_psinfo
,
832 elf_backend_grok_freebsd_prstatus
,
833 elf_backend_write_core_note
,
834 elf_backend_lookup_section_flags_hook
,
835 elf_backend_reloc_type_class
,
836 elf_backend_discard_info
,
837 elf_backend_ignore_discarded_relocs
,
838 elf_backend_action_discarded
,
839 elf_backend_eh_frame_address_size
,
840 elf_backend_can_make_relative_eh_frame
,
841 elf_backend_can_make_lsda_relative_eh_frame
,
842 elf_backend_encode_eh_address
,
843 elf_backend_write_section
,
844 elf_backend_mips_irix_compat
,
845 elf_backend_mips_rtype_to_howto
,
846 elf_backend_ecoff_debug_swap
,
847 elf_backend_bfd_from_remote_memory
,
848 elf_backend_plt_sym_val
,
849 elf_backend_common_definition
,
850 elf_backend_common_section_index
,
851 elf_backend_common_section
,
852 elf_backend_merge_symbol
,
853 elf_backend_hash_symbol
,
854 elf_backend_is_function_type
,
855 elf_backend_maybe_function_sym
,
856 elf_backend_get_reloc_section
,
857 elf_backend_copy_special_section_fields
,
858 elf_backend_link_order_error_handler
,
859 elf_backend_relplt_name
,
862 &elf_backend_size_info
,
863 elf_backend_special_sections
,
864 elf_backend_got_header_size
,
865 elf_backend_got_elt_size
,
866 elf_backend_obj_attrs_vendor
,
867 elf_backend_obj_attrs_section
,
868 elf_backend_obj_attrs_arg_type
,
869 elf_backend_obj_attrs_section_type
,
870 elf_backend_obj_attrs_order
,
871 elf_backend_obj_attrs_handle_unknown
,
872 elf_backend_parse_gnu_properties
,
873 elf_backend_merge_gnu_properties
,
874 elf_backend_setup_gnu_properties
,
875 elf_backend_compact_eh_encoding
,
876 elf_backend_cant_unwind_opcode
,
877 elf_backend_static_tls_alignment
,
878 elf_backend_stack_align
,
879 elf_backend_strtab_flags
,
881 elf_backend_type_change_ok
,
882 elf_backend_may_use_rel_p
,
883 elf_backend_may_use_rela_p
,
884 elf_backend_default_use_rela_p
,
885 elf_backend_rela_plts_and_copies_p
,
886 elf_backend_rela_normal
,
887 elf_backend_dtrel_excludes_plt
,
888 elf_backend_sign_extend_vma
,
889 elf_backend_want_got_plt
,
890 elf_backend_plt_readonly
,
891 elf_backend_want_plt_sym
,
892 elf_backend_plt_not_loaded
,
893 elf_backend_plt_alignment
,
894 elf_backend_can_gc_sections
,
895 elf_backend_can_refcount
,
896 elf_backend_want_got_sym
,
897 elf_backend_want_dynbss
,
898 elf_backend_want_dynrelro
,
899 elf_backend_want_p_paddr_set_to_zero
,
900 elf_backend_no_page_alias
,
901 elf_backend_default_execstack
,
902 elf_backend_caches_rawsize
,
903 elf_backend_extern_protected_data
,
904 elf_backend_always_renumber_dynsyms
,
905 elf_backend_linux_prpsinfo32_ugid16
,
906 elf_backend_linux_prpsinfo64_ugid16
909 /* Forward declaration for use when initialising alternative_target field. */
910 #ifdef TARGET_LITTLE_SYM
911 extern const bfd_target TARGET_LITTLE_SYM
;
914 #ifdef TARGET_BIG_SYM
915 const bfd_target TARGET_BIG_SYM
=
917 /* name: identify kind of target */
920 /* flavour: general indication about file */
921 bfd_target_elf_flavour
,
923 /* byteorder: data is big endian */
926 /* header_byteorder: header is also big endian */
929 /* object_flags: mask of all file flags */
930 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
931 | DYNAMIC
| WP_TEXT
| D_PAGED
| BFD_COMPRESS
| BFD_DECOMPRESS
932 | BFD_COMPRESS_GABI
| BFD_CONVERT_ELF_COMMON
| BFD_USE_ELF_STT_COMMON
),
934 /* section_flags: mask of all section flags */
935 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
936 | SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
937 | SEC_SMALL_DATA
| SEC_MERGE
| SEC_STRINGS
| SEC_GROUP
),
939 /* leading_symbol_char: is the first char of a user symbol
940 predictable, and if so what is it */
941 elf_symbol_leading_char
,
943 /* ar_pad_char: pad character for filenames within an archive header
944 FIXME: this really has nothing to do with ELF, this is a characteristic
945 of the archiver and/or os and should be independently tunable */
948 /* ar_max_namelen: maximum number of characters in an archive header
949 FIXME: this really has nothing to do with ELF, this is a characteristic
950 of the archiver and should be independently tunable. The System V ABI,
951 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
956 /* Routines to byte-swap various sized integers from the data sections */
957 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
958 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
959 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
961 /* Routines to byte-swap various sized integers from the file headers */
962 bfd_getb64
, bfd_getb_signed_64
, bfd_putb64
,
963 bfd_getb32
, bfd_getb_signed_32
, bfd_putb32
,
964 bfd_getb16
, bfd_getb_signed_16
, bfd_putb16
,
966 /* bfd_check_format: check the format of a file being read */
967 { _bfd_dummy_target
, /* unknown format */
968 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
969 bfd_elfNN_archive_p
, /* an archive */
970 bfd_elfNN_core_file_p
/* a core file */
973 /* bfd_set_format: set the format of a file being written */
980 /* bfd_write_contents: write cached information into a file being written */
982 bfd_elfNN_write_object_contents
,
983 bfd_elfNN_write_archive_contents
,
984 bfd_elfNN_write_corefile_contents
,
987 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
988 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
989 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
990 #ifdef bfd_elfNN_archive_functions
991 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
992 #elif defined USE_64_BIT_ARCHIVE
993 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit
),
995 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
997 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
998 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
999 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
1000 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
1001 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
1003 /* Alternative endian target. */
1004 #ifdef TARGET_LITTLE_SYM
1005 & TARGET_LITTLE_SYM
,
1015 #ifdef TARGET_LITTLE_SYM
1016 const bfd_target TARGET_LITTLE_SYM
=
1018 /* name: identify kind of target */
1021 /* flavour: general indication about file */
1022 bfd_target_elf_flavour
,
1024 /* byteorder: data is little endian */
1027 /* header_byteorder: header is also little endian */
1030 /* object_flags: mask of all file flags */
1031 (HAS_RELOC
| EXEC_P
| HAS_LINENO
| HAS_DEBUG
| HAS_SYMS
| HAS_LOCALS
1032 | DYNAMIC
| WP_TEXT
| D_PAGED
| BFD_COMPRESS
| BFD_DECOMPRESS
1033 | BFD_COMPRESS_GABI
| BFD_CONVERT_ELF_COMMON
| BFD_USE_ELF_STT_COMMON
),
1035 /* section_flags: mask of all section flags */
1036 (SEC_HAS_CONTENTS
| SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
| SEC_READONLY
1037 | SEC_CODE
| SEC_DATA
| SEC_DEBUGGING
| SEC_EXCLUDE
| SEC_SORT_ENTRIES
1038 | SEC_SMALL_DATA
| SEC_MERGE
| SEC_STRINGS
| SEC_GROUP
),
1040 /* leading_symbol_char: is the first char of a user symbol
1041 predictable, and if so what is it */
1042 elf_symbol_leading_char
,
1044 /* ar_pad_char: pad character for filenames within an archive header
1045 FIXME: this really has nothing to do with ELF, this is a characteristic
1046 of the archiver and/or os and should be independently tunable */
1049 /* ar_max_namelen: maximum number of characters in an archive header
1050 FIXME: this really has nothing to do with ELF, this is a characteristic
1051 of the archiver and should be independently tunable. The System V ABI,
1052 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1057 /* Routines to byte-swap various sized integers from the data sections */
1058 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
1059 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
1060 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
1062 /* Routines to byte-swap various sized integers from the file headers */
1063 bfd_getl64
, bfd_getl_signed_64
, bfd_putl64
,
1064 bfd_getl32
, bfd_getl_signed_32
, bfd_putl32
,
1065 bfd_getl16
, bfd_getl_signed_16
, bfd_putl16
,
1067 /* bfd_check_format: check the format of a file being read */
1068 { _bfd_dummy_target
, /* unknown format */
1069 bfd_elfNN_object_p
, /* assembler/linker output (object file) */
1070 bfd_elfNN_archive_p
, /* an archive */
1071 bfd_elfNN_core_file_p
/* a core file */
1074 /* bfd_set_format: set the format of a file being written */
1077 bfd_elfNN_mkarchive
,
1078 bfd_elfNN_mkcorefile
1081 /* bfd_write_contents: write cached information into a file being written */
1083 bfd_elfNN_write_object_contents
,
1084 bfd_elfNN_write_archive_contents
,
1085 bfd_elfNN_write_corefile_contents
,
1088 BFD_JUMP_TABLE_GENERIC (bfd_elfNN
),
1089 BFD_JUMP_TABLE_COPY (bfd_elfNN
),
1090 BFD_JUMP_TABLE_CORE (bfd_elfNN
),
1091 #ifdef bfd_elfNN_archive_functions
1092 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive
),
1093 #elif defined USE_64_BIT_ARCHIVE
1094 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit
),
1096 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff
),
1098 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN
),
1099 BFD_JUMP_TABLE_RELOCS (bfd_elfNN
),
1100 BFD_JUMP_TABLE_WRITE (bfd_elfNN
),
1101 BFD_JUMP_TABLE_LINK (bfd_elfNN
),
1102 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN
),
1104 /* Alternative endian target. */
1105 #ifdef TARGET_BIG_SYM