1 /* Target definitions for NN-bit ELF
2 Copyright (C) 1993-2016 Free Software Foundation, Inc.
4 This file is part of BFD, the Binary File Descriptor library.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
22 /* This structure contains everything that BFD knows about a target.
23 It includes things like its byte order, name, what routines to call
24 to do various operations, etc. Every BFD points to a target structure
25 with its "xvec" member.
27 There are two such structures here: one for big-endian machines and
28 one for little-endian machines. */
30 #ifndef bfd_elfNN_close_and_cleanup
31 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
33 #ifndef bfd_elfNN_bfd_free_cached_info
34 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
36 #ifndef bfd_elfNN_get_section_contents
37 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
40 #define bfd_elfNN_canonicalize_dynamic_symtab \
41 _bfd_elf_canonicalize_dynamic_symtab
42 #ifndef bfd_elfNN_get_synthetic_symtab
43 #define bfd_elfNN_get_synthetic_symtab \
44 _bfd_elf_get_synthetic_symtab
46 #ifndef bfd_elfNN_canonicalize_reloc
47 #define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc
49 #ifndef bfd_elfNN_find_nearest_line
50 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
52 #ifndef bfd_elfNN_find_line
53 #define bfd_elfNN_find_line _bfd_elf_find_line
55 #ifndef bfd_elfNN_find_inliner_info
56 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info
58 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols
59 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol
60 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
61 _bfd_elf_get_dynamic_symtab_upper_bound
62 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno
63 #ifndef bfd_elfNN_get_reloc_upper_bound
64 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
66 #ifndef bfd_elfNN_get_symbol_info
67 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info
69 #ifndef bfd_elfNN_get_symbol_version_string
70 #define bfd_elfNN_get_symbol_version_string \
71 _bfd_elf_get_symbol_version_string
73 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab
74 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
75 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol
76 #ifndef bfd_elfNN_new_section_hook
77 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook
79 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach
80 #ifndef bfd_elfNN_set_section_contents
81 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents
83 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers
84 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
85 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
87 #define bfd_elfNN_get_section_contents_in_window \
88 _bfd_generic_get_section_contents_in_window
90 #ifndef elf_backend_can_refcount
91 #define elf_backend_can_refcount 0
93 #ifndef elf_backend_want_got_plt
94 #define elf_backend_want_got_plt 0
96 #ifndef elf_backend_plt_readonly
97 #define elf_backend_plt_readonly 0
99 #ifndef elf_backend_want_plt_sym
100 #define elf_backend_want_plt_sym 0
102 #ifndef elf_backend_plt_not_loaded
103 #define elf_backend_plt_not_loaded 0
105 #ifndef elf_backend_plt_alignment
106 #define elf_backend_plt_alignment 2
108 #ifndef elf_backend_want_dynbss
109 #define elf_backend_want_dynbss 1
111 #ifndef elf_backend_want_p_paddr_set_to_zero
112 #define elf_backend_want_p_paddr_set_to_zero 0
114 #ifndef elf_backend_default_execstack
115 #define elf_backend_default_execstack 1
117 #ifndef elf_backend_caches_rawsize
118 #define elf_backend_caches_rawsize 0
120 #ifndef elf_backend_extern_protected_data
121 #define elf_backend_extern_protected_data 0
123 #ifndef elf_backend_stack_align
124 #define elf_backend_stack_align 16
126 #ifndef elf_backend_strtab_flags
127 #define elf_backend_strtab_flags 0
130 #define bfd_elfNN_bfd_debug_info_start bfd_void
131 #define bfd_elfNN_bfd_debug_info_end bfd_void
132 #define bfd_elfNN_bfd_debug_info_accumulate \
133 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
135 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
136 #define bfd_elfNN_bfd_get_relocated_section_contents \
137 bfd_generic_get_relocated_section_contents
140 #ifndef bfd_elfNN_bfd_relax_section
141 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
144 #ifndef elf_backend_can_gc_sections
145 #define elf_backend_can_gc_sections 0
147 #ifndef elf_backend_can_refcount
148 #define elf_backend_can_refcount 0
150 #ifndef elf_backend_want_got_sym
151 #define elf_backend_want_got_sym 1
153 #ifndef elf_backend_gc_keep
154 #define elf_backend_gc_keep _bfd_elf_gc_keep
156 #ifndef elf_backend_gc_mark_dynamic_ref
157 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
159 #ifndef elf_backend_gc_mark_hook
160 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
162 #ifndef elf_backend_gc_mark_extra_sections
163 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
165 #ifndef elf_backend_gc_sweep_hook
166 #define elf_backend_gc_sweep_hook NULL
168 #ifndef bfd_elfNN_bfd_gc_sections
169 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
172 #ifndef bfd_elfNN_bfd_merge_sections
173 #define bfd_elfNN_bfd_merge_sections \
174 _bfd_elf_merge_sections
177 #ifndef bfd_elfNN_bfd_is_group_section
178 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
181 #ifndef bfd_elfNN_bfd_discard_group
182 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
185 #ifndef bfd_elfNN_section_already_linked
186 #define bfd_elfNN_section_already_linked \
187 _bfd_elf_section_already_linked
190 #ifndef bfd_elfNN_bfd_define_common_symbol
191 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
194 #ifndef bfd_elfNN_bfd_lookup_section_flags
195 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
198 #ifndef bfd_elfNN_bfd_make_debug_symbol
199 #define bfd_elfNN_bfd_make_debug_symbol \
200 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
203 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
204 #define bfd_elfNN_bfd_copy_private_symbol_data \
205 _bfd_elf_copy_private_symbol_data
208 #ifndef bfd_elfNN_bfd_copy_private_section_data
209 #define bfd_elfNN_bfd_copy_private_section_data \
210 _bfd_elf_copy_private_section_data
212 #ifndef bfd_elfNN_bfd_copy_private_header_data
213 #define bfd_elfNN_bfd_copy_private_header_data \
214 _bfd_elf_copy_private_header_data
216 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
217 #define bfd_elfNN_bfd_copy_private_bfd_data \
218 _bfd_elf_copy_private_bfd_data
220 #ifndef bfd_elfNN_bfd_print_private_bfd_data
221 #define bfd_elfNN_bfd_print_private_bfd_data \
222 _bfd_elf_print_private_bfd_data
224 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
225 #define bfd_elfNN_bfd_merge_private_bfd_data \
226 ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
228 #ifndef bfd_elfNN_bfd_set_private_flags
229 #define bfd_elfNN_bfd_set_private_flags \
230 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
232 #ifndef bfd_elfNN_bfd_is_local_label_name
233 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
235 #ifndef bfd_elfNN_bfd_is_target_special_symbol
236 #define bfd_elfNN_bfd_is_target_special_symbol \
237 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
240 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
241 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
242 _bfd_elf_get_dynamic_reloc_upper_bound
244 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
245 #define bfd_elfNN_canonicalize_dynamic_reloc \
246 _bfd_elf_canonicalize_dynamic_reloc
249 #ifdef elf_backend_relocate_section
250 #ifndef bfd_elfNN_bfd_link_hash_table_create
251 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
253 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
254 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
255 _bfd_elf_copy_link_hash_symbol_type
257 #ifndef bfd_elfNN_bfd_link_add_symbols
258 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
260 #ifndef bfd_elfNN_bfd_final_link
261 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
263 #else /* ! defined (elf_backend_relocate_section) */
264 /* If no backend relocate_section routine, use the generic linker.
265 Note - this will prevent the port from being able to use some of
266 the other features of the ELF linker, because the generic hash structure
267 does not have the fields needed by the ELF linker. In particular it
268 means that linking directly to S-records will not work. */
269 #ifndef bfd_elfNN_bfd_link_hash_table_create
270 #define bfd_elfNN_bfd_link_hash_table_create \
271 _bfd_generic_link_hash_table_create
273 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
274 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
275 _bfd_generic_copy_link_hash_symbol_type
277 #ifndef bfd_elfNN_bfd_link_add_symbols
278 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
280 #ifndef bfd_elfNN_bfd_final_link
281 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
283 #endif /* ! defined (elf_backend_relocate_section) */
285 #ifndef bfd_elfNN_bfd_link_just_syms
286 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
289 #ifndef bfd_elfNN_bfd_link_split_section
290 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
293 #ifndef bfd_elfNN_bfd_link_check_relocs
294 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
297 #ifndef bfd_elfNN_archive_p
298 #define bfd_elfNN_archive_p bfd_generic_archive_p
301 #ifndef bfd_elfNN_write_archive_contents
302 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
305 #ifndef bfd_elfNN_mkobject
306 #define bfd_elfNN_mkobject bfd_elf_make_object
309 #ifndef bfd_elfNN_mkcorefile
310 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
313 #ifndef bfd_elfNN_mkarchive
314 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
317 #ifndef bfd_elfNN_print_symbol
318 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
321 #ifndef elf_symbol_leading_char
322 #define elf_symbol_leading_char 0
325 #ifndef elf_info_to_howto
326 #define elf_info_to_howto 0
329 #ifndef elf_info_to_howto_rel
330 #define elf_info_to_howto_rel 0
333 #ifndef elf_backend_arch_data
334 #define elf_backend_arch_data NULL
337 #ifndef ELF_TARGET_ID
338 #define ELF_TARGET_ID GENERIC_ELF_DATA
342 #define ELF_OSABI ELFOSABI_NONE
345 #ifndef ELF_MAXPAGESIZE
346 # error ELF_MAXPAGESIZE is not defined
347 #define ELF_MAXPAGESIZE 1
350 #ifndef ELF_COMMONPAGESIZE
351 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
354 #ifndef ELF_MINPAGESIZE
355 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
358 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
359 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
361 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
362 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
365 #ifndef ELF_DYNAMIC_SEC_FLAGS
366 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
367 #define ELF_DYNAMIC_SEC_FLAGS \
368 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
369 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
372 #ifndef elf_backend_collect
373 #define elf_backend_collect FALSE
375 #ifndef elf_backend_type_change_ok
376 #define elf_backend_type_change_ok FALSE
379 #ifndef elf_backend_sym_is_global
380 #define elf_backend_sym_is_global 0
382 #ifndef elf_backend_object_p
383 #define elf_backend_object_p 0
385 #ifndef elf_backend_symbol_processing
386 #define elf_backend_symbol_processing 0
388 #ifndef elf_backend_symbol_table_processing
389 #define elf_backend_symbol_table_processing 0
391 #ifndef elf_backend_get_symbol_type
392 #define elf_backend_get_symbol_type 0
394 #ifndef elf_backend_archive_symbol_lookup
395 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
397 #ifndef elf_backend_name_local_section_symbols
398 #define elf_backend_name_local_section_symbols 0
400 #ifndef elf_backend_section_processing
401 #define elf_backend_section_processing 0
403 #ifndef elf_backend_section_from_shdr
404 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
406 #ifndef elf_backend_section_flags
407 #define elf_backend_section_flags 0
409 #ifndef elf_backend_get_sec_type_attr
410 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
412 #ifndef elf_backend_section_from_phdr
413 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
415 #ifndef elf_backend_fake_sections
416 #define elf_backend_fake_sections 0
418 #ifndef elf_backend_section_from_bfd_section
419 #define elf_backend_section_from_bfd_section 0
421 #ifndef elf_backend_add_symbol_hook
422 #define elf_backend_add_symbol_hook 0
424 #ifndef elf_backend_link_output_symbol_hook
425 #define elf_backend_link_output_symbol_hook 0
427 #ifndef elf_backend_create_dynamic_sections
428 #define elf_backend_create_dynamic_sections 0
430 #ifndef elf_backend_omit_section_dynsym
431 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
433 #ifndef elf_backend_relocs_compatible
434 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
436 #ifndef elf_backend_check_relocs
437 #define elf_backend_check_relocs 0
439 #ifndef elf_backend_check_directives
440 #define elf_backend_check_directives 0
442 #ifndef elf_backend_notice_as_needed
443 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
445 #ifndef elf_backend_adjust_dynamic_symbol
446 #define elf_backend_adjust_dynamic_symbol 0
448 #ifndef elf_backend_always_size_sections
449 #define elf_backend_always_size_sections 0
451 #ifndef elf_backend_size_dynamic_sections
452 #define elf_backend_size_dynamic_sections 0
454 #ifndef elf_backend_init_index_section
455 #define elf_backend_init_index_section \
456 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
458 #ifndef elf_backend_relocate_section
459 #define elf_backend_relocate_section 0
461 #ifndef elf_backend_finish_dynamic_symbol
462 #define elf_backend_finish_dynamic_symbol 0
464 #ifndef elf_backend_finish_dynamic_sections
465 #define elf_backend_finish_dynamic_sections 0
467 #ifndef elf_backend_begin_write_processing
468 #define elf_backend_begin_write_processing 0
470 #ifndef elf_backend_final_write_processing
471 #define elf_backend_final_write_processing 0
473 #ifndef elf_backend_additional_program_headers
474 #define elf_backend_additional_program_headers 0
476 #ifndef elf_backend_modify_segment_map
477 #define elf_backend_modify_segment_map 0
479 #ifndef elf_backend_modify_program_headers
480 #define elf_backend_modify_program_headers 0
482 #ifndef elf_backend_allow_non_load_phdr
483 #define elf_backend_allow_non_load_phdr \
484 ((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
486 #ifndef elf_backend_ecoff_debug_swap
487 #define elf_backend_ecoff_debug_swap 0
489 #ifndef elf_backend_bfd_from_remote_memory
490 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
492 #ifndef elf_backend_got_header_size
493 #define elf_backend_got_header_size 0
495 #ifndef elf_backend_got_elt_size
496 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
498 #ifndef elf_backend_obj_attrs_vendor
499 #define elf_backend_obj_attrs_vendor NULL
501 #ifndef elf_backend_obj_attrs_section
502 #define elf_backend_obj_attrs_section NULL
504 #ifndef elf_backend_obj_attrs_arg_type
505 #define elf_backend_obj_attrs_arg_type NULL
507 #ifndef elf_backend_obj_attrs_section_type
508 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
510 #ifndef elf_backend_obj_attrs_order
511 #define elf_backend_obj_attrs_order NULL
513 #ifndef elf_backend_obj_attrs_handle_unknown
514 #define elf_backend_obj_attrs_handle_unknown NULL
516 #ifndef elf_backend_static_tls_alignment
517 #define elf_backend_static_tls_alignment 1
519 #ifndef elf_backend_post_process_headers
520 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
522 #ifndef elf_backend_print_symbol_all
523 #define elf_backend_print_symbol_all NULL
525 #ifndef elf_backend_output_arch_local_syms
526 #define elf_backend_output_arch_local_syms NULL
528 #ifndef elf_backend_output_arch_syms
529 #define elf_backend_output_arch_syms NULL
531 #ifndef elf_backend_filter_implib_symbols
532 #define elf_backend_filter_implib_symbols NULL
534 #ifndef elf_backend_copy_indirect_symbol
535 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
537 #ifndef elf_backend_hide_symbol
538 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
540 #ifndef elf_backend_fixup_symbol
541 #define elf_backend_fixup_symbol NULL
543 #ifndef elf_backend_merge_symbol_attribute
544 #define elf_backend_merge_symbol_attribute NULL
546 #ifndef elf_backend_get_target_dtag
547 #define elf_backend_get_target_dtag NULL
549 #ifndef elf_backend_ignore_undef_symbol
550 #define elf_backend_ignore_undef_symbol NULL
552 #ifndef elf_backend_emit_relocs
553 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
555 #ifndef elf_backend_update_relocs
556 #define elf_backend_update_relocs NULL
558 #ifndef elf_backend_count_relocs
559 #define elf_backend_count_relocs NULL
561 #ifndef elf_backend_count_additional_relocs
562 #define elf_backend_count_additional_relocs NULL
564 #ifndef elf_backend_sort_relocs_p
565 #define elf_backend_sort_relocs_p NULL
567 #ifndef elf_backend_grok_prstatus
568 #define elf_backend_grok_prstatus NULL
570 #ifndef elf_backend_grok_psinfo
571 #define elf_backend_grok_psinfo NULL
573 #ifndef elf_backend_write_core_note
574 #define elf_backend_write_core_note NULL
576 #ifndef elf_backend_lookup_section_flags_hook
577 #define elf_backend_lookup_section_flags_hook NULL
579 #ifndef elf_backend_reloc_type_class
580 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
582 #ifndef elf_backend_discard_info
583 #define elf_backend_discard_info NULL
585 #ifndef elf_backend_ignore_discarded_relocs
586 #define elf_backend_ignore_discarded_relocs NULL
588 #ifndef elf_backend_action_discarded
589 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
591 #ifndef elf_backend_eh_frame_address_size
592 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
594 #ifndef elf_backend_can_make_relative_eh_frame
595 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
597 #ifndef elf_backend_can_make_lsda_relative_eh_frame
598 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
600 #ifndef elf_backend_encode_eh_address
601 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
603 #ifndef elf_backend_write_section
604 #define elf_backend_write_section NULL
606 #ifndef elf_backend_mips_irix_compat
607 #define elf_backend_mips_irix_compat NULL
609 #ifndef elf_backend_mips_rtype_to_howto
610 #define elf_backend_mips_rtype_to_howto NULL
613 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
614 sections, but not both. They defined USE_REL to indicate SHT_REL
615 sections, and left it undefined to indicated SHT_RELA sections.
616 For backwards compatibility, we still support this usage. */
621 /* Use these in new code. */
622 #ifndef elf_backend_may_use_rel_p
623 #define elf_backend_may_use_rel_p USE_REL
625 #ifndef elf_backend_may_use_rela_p
626 #define elf_backend_may_use_rela_p !USE_REL
628 #ifndef elf_backend_default_use_rela_p
629 #define elf_backend_default_use_rela_p !USE_REL
631 #ifndef elf_backend_rela_plts_and_copies_p
632 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
635 #ifndef elf_backend_rela_normal
636 #define elf_backend_rela_normal 0
639 #ifndef elf_backend_dtrel_excludes_plt
640 #define elf_backend_dtrel_excludes_plt 0
643 #ifndef elf_backend_plt_sym_val
644 #define elf_backend_plt_sym_val NULL
646 #ifndef elf_backend_relplt_name
647 #define elf_backend_relplt_name NULL
650 #ifndef ELF_MACHINE_ALT1
651 #define ELF_MACHINE_ALT1 0
654 #ifndef ELF_MACHINE_ALT2
655 #define ELF_MACHINE_ALT2 0
658 #ifndef elf_backend_size_info
659 #define elf_backend_size_info _bfd_elfNN_size_info
662 #ifndef elf_backend_special_sections
663 #define elf_backend_special_sections NULL
666 #ifndef elf_backend_sign_extend_vma
667 #define elf_backend_sign_extend_vma 0
670 #ifndef elf_backend_link_order_error_handler
671 #define elf_backend_link_order_error_handler _bfd_error_handler
674 #ifndef elf_backend_common_definition
675 #define elf_backend_common_definition _bfd_elf_common_definition
678 #ifndef elf_backend_common_section_index
679 #define elf_backend_common_section_index _bfd_elf_common_section_index
682 #ifndef elf_backend_common_section
683 #define elf_backend_common_section _bfd_elf_common_section
686 #ifndef elf_backend_merge_symbol
687 #define elf_backend_merge_symbol NULL
690 #ifndef elf_backend_hash_symbol
691 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
694 #ifndef elf_backend_is_function_type
695 #define elf_backend_is_function_type _bfd_elf_is_function_type
698 #ifndef elf_backend_maybe_function_sym
699 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
702 #ifndef elf_backend_get_reloc_section
703 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
706 #ifndef elf_backend_copy_special_section_fields
707 #define elf_backend_copy_special_section_fields NULL
710 #ifndef elf_backend_compact_eh_encoding
711 #define elf_backend_compact_eh_encoding NULL
714 #ifndef elf_backend_cant_unwind_opcode
715 #define elf_backend_cant_unwind_opcode 0
718 #ifndef elf_match_priority
719 #define elf_match_priority \
720 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
723 extern const struct elf_size_info _bfd_elfNN_size_info;
725 static struct elf_backend_data elfNN_bed =
728 ELF_TARGET_ID, /* target_id */
729 ELF_MACHINE_CODE, /* elf_machine_code */
730 ELF_OSABI, /* elf_osabi */
731 ELF_MAXPAGESIZE, /* maxpagesize */
732 ELF_MINPAGESIZE, /* minpagesize */
733 ELF_COMMONPAGESIZE, /* commonpagesize */
734 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
735 elf_backend_arch_data,
737 elf_info_to_howto_rel,
738 elf_backend_sym_is_global,
739 elf_backend_object_p,
740 elf_backend_symbol_processing,
741 elf_backend_symbol_table_processing,
742 elf_backend_get_symbol_type,
743 elf_backend_archive_symbol_lookup,
744 elf_backend_name_local_section_symbols,
745 elf_backend_section_processing,
746 elf_backend_section_from_shdr,
747 elf_backend_section_flags,
748 elf_backend_get_sec_type_attr,
749 elf_backend_section_from_phdr,
750 elf_backend_fake_sections,
751 elf_backend_section_from_bfd_section,
752 elf_backend_add_symbol_hook,
753 elf_backend_link_output_symbol_hook,
754 elf_backend_create_dynamic_sections,
755 elf_backend_omit_section_dynsym,
756 elf_backend_relocs_compatible,
757 elf_backend_check_relocs,
758 elf_backend_check_directives,
759 elf_backend_notice_as_needed,
760 elf_backend_adjust_dynamic_symbol,
761 elf_backend_always_size_sections,
762 elf_backend_size_dynamic_sections,
763 elf_backend_init_index_section,
764 elf_backend_relocate_section,
765 elf_backend_finish_dynamic_symbol,
766 elf_backend_finish_dynamic_sections,
767 elf_backend_begin_write_processing,
768 elf_backend_final_write_processing,
769 elf_backend_additional_program_headers,
770 elf_backend_modify_segment_map,
771 elf_backend_modify_program_headers,
772 elf_backend_allow_non_load_phdr,
774 elf_backend_gc_mark_dynamic_ref,
775 elf_backend_gc_mark_hook,
776 elf_backend_gc_mark_extra_sections,
777 elf_backend_gc_sweep_hook,
778 elf_backend_post_process_headers,
779 elf_backend_print_symbol_all,
780 elf_backend_output_arch_local_syms,
781 elf_backend_output_arch_syms,
782 elf_backend_filter_implib_symbols,
783 elf_backend_copy_indirect_symbol,
784 elf_backend_hide_symbol,
785 elf_backend_fixup_symbol,
786 elf_backend_merge_symbol_attribute,
787 elf_backend_get_target_dtag,
788 elf_backend_ignore_undef_symbol,
789 elf_backend_emit_relocs,
790 elf_backend_update_relocs,
791 elf_backend_count_relocs,
792 elf_backend_count_additional_relocs,
793 elf_backend_sort_relocs_p,
794 elf_backend_grok_prstatus,
795 elf_backend_grok_psinfo,
796 elf_backend_write_core_note,
797 elf_backend_lookup_section_flags_hook,
798 elf_backend_reloc_type_class,
799 elf_backend_discard_info,
800 elf_backend_ignore_discarded_relocs,
801 elf_backend_action_discarded,
802 elf_backend_eh_frame_address_size,
803 elf_backend_can_make_relative_eh_frame,
804 elf_backend_can_make_lsda_relative_eh_frame,
805 elf_backend_encode_eh_address,
806 elf_backend_write_section,
807 elf_backend_mips_irix_compat,
808 elf_backend_mips_rtype_to_howto,
809 elf_backend_ecoff_debug_swap,
810 elf_backend_bfd_from_remote_memory,
811 elf_backend_plt_sym_val,
812 elf_backend_common_definition,
813 elf_backend_common_section_index,
814 elf_backend_common_section,
815 elf_backend_merge_symbol,
816 elf_backend_hash_symbol,
817 elf_backend_is_function_type,
818 elf_backend_maybe_function_sym,
819 elf_backend_get_reloc_section,
820 elf_backend_copy_special_section_fields,
821 elf_backend_link_order_error_handler,
822 elf_backend_relplt_name,
825 &elf_backend_size_info,
826 elf_backend_special_sections,
827 elf_backend_got_header_size,
828 elf_backend_got_elt_size,
829 elf_backend_obj_attrs_vendor,
830 elf_backend_obj_attrs_section,
831 elf_backend_obj_attrs_arg_type,
832 elf_backend_obj_attrs_section_type,
833 elf_backend_obj_attrs_order,
834 elf_backend_obj_attrs_handle_unknown,
835 elf_backend_compact_eh_encoding,
836 elf_backend_cant_unwind_opcode,
837 elf_backend_static_tls_alignment,
838 elf_backend_stack_align,
839 elf_backend_strtab_flags,
841 elf_backend_type_change_ok,
842 elf_backend_may_use_rel_p,
843 elf_backend_may_use_rela_p,
844 elf_backend_default_use_rela_p,
845 elf_backend_rela_plts_and_copies_p,
846 elf_backend_rela_normal,
847 elf_backend_dtrel_excludes_plt,
848 elf_backend_sign_extend_vma,
849 elf_backend_want_got_plt,
850 elf_backend_plt_readonly,
851 elf_backend_want_plt_sym,
852 elf_backend_plt_not_loaded,
853 elf_backend_plt_alignment,
854 elf_backend_can_gc_sections,
855 elf_backend_can_refcount,
856 elf_backend_want_got_sym,
857 elf_backend_want_dynbss,
858 elf_backend_want_p_paddr_set_to_zero,
859 elf_backend_default_execstack,
860 elf_backend_caches_rawsize,
861 elf_backend_extern_protected_data
864 /* Forward declaration for use when initialising alternative_target field. */
865 #ifdef TARGET_LITTLE_SYM
866 extern const bfd_target TARGET_LITTLE_SYM;
869 #ifdef TARGET_BIG_SYM
870 const bfd_target TARGET_BIG_SYM =
872 /* name: identify kind of target */
875 /* flavour: general indication about file */
876 bfd_target_elf_flavour,
878 /* byteorder: data is big endian */
881 /* header_byteorder: header is also big endian */
884 /* object_flags: mask of all file flags */
885 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
886 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
887 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
889 /* section_flags: mask of all section flags */
890 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
891 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
892 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
894 /* leading_symbol_char: is the first char of a user symbol
895 predictable, and if so what is it */
896 elf_symbol_leading_char,
898 /* ar_pad_char: pad character for filenames within an archive header
899 FIXME: this really has nothing to do with ELF, this is a characteristic
900 of the archiver and/or os and should be independently tunable */
903 /* ar_max_namelen: maximum number of characters in an archive header
904 FIXME: this really has nothing to do with ELF, this is a characteristic
905 of the archiver and should be independently tunable. The System V ABI,
906 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
911 /* Routines to byte-swap various sized integers from the data sections */
912 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
913 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
914 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
916 /* Routines to byte-swap various sized integers from the file headers */
917 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
918 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
919 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
921 /* bfd_check_format: check the format of a file being read */
922 { _bfd_dummy_target, /* unknown format */
923 bfd_elfNN_object_p, /* assembler/linker output (object file) */
924 bfd_elfNN_archive_p, /* an archive */
925 bfd_elfNN_core_file_p /* a core file */
928 /* bfd_set_format: set the format of a file being written */
935 /* bfd_write_contents: write cached information into a file being written */
937 bfd_elfNN_write_object_contents,
938 bfd_elfNN_write_archive_contents,
939 bfd_elfNN_write_corefile_contents,
942 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
943 BFD_JUMP_TABLE_COPY (bfd_elfNN),
944 BFD_JUMP_TABLE_CORE (bfd_elfNN),
945 #ifdef bfd_elfNN_archive_functions
946 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
947 #elif defined USE_64_BIT_ARCHIVE
948 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
950 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
952 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
953 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
954 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
955 BFD_JUMP_TABLE_LINK (bfd_elfNN),
956 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
958 /* Alternative endian target. */
959 #ifdef TARGET_LITTLE_SYM
970 #ifdef TARGET_LITTLE_SYM
971 const bfd_target TARGET_LITTLE_SYM =
973 /* name: identify kind of target */
976 /* flavour: general indication about file */
977 bfd_target_elf_flavour,
979 /* byteorder: data is little endian */
982 /* header_byteorder: header is also little endian */
985 /* object_flags: mask of all file flags */
986 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
987 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
988 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
990 /* section_flags: mask of all section flags */
991 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
992 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
993 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
995 /* leading_symbol_char: is the first char of a user symbol
996 predictable, and if so what is it */
997 elf_symbol_leading_char,
999 /* ar_pad_char: pad character for filenames within an archive header
1000 FIXME: this really has nothing to do with ELF, this is a characteristic
1001 of the archiver and/or os and should be independently tunable */
1004 /* ar_max_namelen: maximum number of characters in an archive header
1005 FIXME: this really has nothing to do with ELF, this is a characteristic
1006 of the archiver and should be independently tunable. The System V ABI,
1007 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1012 /* Routines to byte-swap various sized integers from the data sections */
1013 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1014 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1015 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1017 /* Routines to byte-swap various sized integers from the file headers */
1018 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1019 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1020 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1022 /* bfd_check_format: check the format of a file being read */
1023 { _bfd_dummy_target, /* unknown format */
1024 bfd_elfNN_object_p, /* assembler/linker output (object file) */
1025 bfd_elfNN_archive_p, /* an archive */
1026 bfd_elfNN_core_file_p /* a core file */
1029 /* bfd_set_format: set the format of a file being written */
1032 bfd_elfNN_mkarchive,
1033 bfd_elfNN_mkcorefile
1036 /* bfd_write_contents: write cached information into a file being written */
1038 bfd_elfNN_write_object_contents,
1039 bfd_elfNN_write_archive_contents,
1040 bfd_elfNN_write_corefile_contents,
1043 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1044 BFD_JUMP_TABLE_COPY (bfd_elfNN),
1045 BFD_JUMP_TABLE_CORE (bfd_elfNN),
1046 #ifdef bfd_elfNN_archive_functions
1047 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1048 #elif defined USE_64_BIT_ARCHIVE
1049 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
1051 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1053 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1054 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1055 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1056 BFD_JUMP_TABLE_LINK (bfd_elfNN),
1057 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1059 /* Alternative endian target. */
1060 #ifdef TARGET_BIG_SYM