1 /* Target definitions for NN-bit ELF
2 Copyright (C) 1993-2015 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
127 #define bfd_elfNN_bfd_debug_info_start bfd_void
128 #define bfd_elfNN_bfd_debug_info_end bfd_void
129 #define bfd_elfNN_bfd_debug_info_accumulate \
130 ((void (*) (bfd*, struct bfd_section *)) bfd_void)
132 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
133 #define bfd_elfNN_bfd_get_relocated_section_contents \
134 bfd_generic_get_relocated_section_contents
137 #ifndef bfd_elfNN_bfd_relax_section
138 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
141 #ifndef elf_backend_can_gc_sections
142 #define elf_backend_can_gc_sections 0
144 #ifndef elf_backend_can_refcount
145 #define elf_backend_can_refcount 0
147 #ifndef elf_backend_want_got_sym
148 #define elf_backend_want_got_sym 1
150 #ifndef elf_backend_gc_keep
151 #define elf_backend_gc_keep _bfd_elf_gc_keep
153 #ifndef elf_backend_gc_mark_dynamic_ref
154 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
156 #ifndef elf_backend_gc_mark_hook
157 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook
159 #ifndef elf_backend_gc_mark_extra_sections
160 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
162 #ifndef elf_backend_gc_sweep_hook
163 #define elf_backend_gc_sweep_hook NULL
165 #ifndef bfd_elfNN_bfd_gc_sections
166 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
169 #ifndef bfd_elfNN_bfd_merge_sections
170 #define bfd_elfNN_bfd_merge_sections \
171 _bfd_elf_merge_sections
174 #ifndef bfd_elfNN_bfd_is_group_section
175 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
178 #ifndef bfd_elfNN_bfd_discard_group
179 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
182 #ifndef bfd_elfNN_section_already_linked
183 #define bfd_elfNN_section_already_linked \
184 _bfd_elf_section_already_linked
187 #ifndef bfd_elfNN_bfd_define_common_symbol
188 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
191 #ifndef bfd_elfNN_bfd_lookup_section_flags
192 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
195 #ifndef bfd_elfNN_bfd_make_debug_symbol
196 #define bfd_elfNN_bfd_make_debug_symbol \
197 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
200 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
201 #define bfd_elfNN_bfd_copy_private_symbol_data \
202 _bfd_elf_copy_private_symbol_data
205 #ifndef bfd_elfNN_bfd_copy_private_section_data
206 #define bfd_elfNN_bfd_copy_private_section_data \
207 _bfd_elf_copy_private_section_data
209 #ifndef bfd_elfNN_bfd_copy_private_header_data
210 #define bfd_elfNN_bfd_copy_private_header_data \
211 _bfd_elf_copy_private_header_data
213 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
214 #define bfd_elfNN_bfd_copy_private_bfd_data \
215 _bfd_elf_copy_private_bfd_data
217 #ifndef bfd_elfNN_bfd_print_private_bfd_data
218 #define bfd_elfNN_bfd_print_private_bfd_data \
219 _bfd_elf_print_private_bfd_data
221 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
222 #define bfd_elfNN_bfd_merge_private_bfd_data \
223 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
225 #ifndef bfd_elfNN_bfd_set_private_flags
226 #define bfd_elfNN_bfd_set_private_flags \
227 ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
229 #ifndef bfd_elfNN_bfd_is_local_label_name
230 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
232 #ifndef bfd_elfNN_bfd_is_target_special_symbol
233 #define bfd_elfNN_bfd_is_target_special_symbol \
234 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
237 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
238 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
239 _bfd_elf_get_dynamic_reloc_upper_bound
241 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
242 #define bfd_elfNN_canonicalize_dynamic_reloc \
243 _bfd_elf_canonicalize_dynamic_reloc
246 #ifdef elf_backend_relocate_section
247 #ifndef bfd_elfNN_bfd_link_hash_table_create
248 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
250 #ifndef bfd_elfNN_bfd_link_add_symbols
251 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
253 #ifndef bfd_elfNN_bfd_final_link
254 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
256 #else /* ! defined (elf_backend_relocate_section) */
257 /* If no backend relocate_section routine, use the generic linker.
258 Note - this will prevent the port from being able to use some of
259 the other features of the ELF linker, because the generic hash structure
260 does not have the fields needed by the ELF linker. In particular it
261 means that linking directly to S-records will not work. */
262 #ifndef bfd_elfNN_bfd_link_hash_table_create
263 #define bfd_elfNN_bfd_link_hash_table_create \
264 _bfd_generic_link_hash_table_create
266 #ifndef bfd_elfNN_bfd_link_add_symbols
267 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
269 #ifndef bfd_elfNN_bfd_final_link
270 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
272 #endif /* ! defined (elf_backend_relocate_section) */
274 #ifndef bfd_elfNN_bfd_link_just_syms
275 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
278 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
279 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
280 _bfd_elf_copy_link_hash_symbol_type
283 #ifndef bfd_elfNN_bfd_link_split_section
284 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
287 #ifndef bfd_elfNN_archive_p
288 #define bfd_elfNN_archive_p bfd_generic_archive_p
291 #ifndef bfd_elfNN_write_archive_contents
292 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
295 #ifndef bfd_elfNN_mkobject
296 #define bfd_elfNN_mkobject bfd_elf_make_object
299 #ifndef bfd_elfNN_mkcorefile
300 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
303 #ifndef bfd_elfNN_mkarchive
304 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
307 #ifndef bfd_elfNN_print_symbol
308 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
311 #ifndef elf_symbol_leading_char
312 #define elf_symbol_leading_char 0
315 #ifndef elf_info_to_howto
316 #define elf_info_to_howto 0
319 #ifndef elf_info_to_howto_rel
320 #define elf_info_to_howto_rel 0
323 #ifndef elf_backend_arch_data
324 #define elf_backend_arch_data NULL
327 #ifndef ELF_TARGET_ID
328 #define ELF_TARGET_ID GENERIC_ELF_DATA
332 #define ELF_OSABI ELFOSABI_NONE
335 #ifndef ELF_MAXPAGESIZE
336 # error ELF_MAXPAGESIZE is not defined
337 #define ELF_MAXPAGESIZE 1
340 #ifndef ELF_COMMONPAGESIZE
341 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
344 #ifndef ELF_MINPAGESIZE
345 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
348 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
349 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
351 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
352 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
355 #ifndef ELF_DYNAMIC_SEC_FLAGS
356 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
357 #define ELF_DYNAMIC_SEC_FLAGS \
358 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
359 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
362 #ifndef elf_backend_collect
363 #define elf_backend_collect FALSE
365 #ifndef elf_backend_type_change_ok
366 #define elf_backend_type_change_ok FALSE
369 #ifndef elf_backend_sym_is_global
370 #define elf_backend_sym_is_global 0
372 #ifndef elf_backend_object_p
373 #define elf_backend_object_p 0
375 #ifndef elf_backend_symbol_processing
376 #define elf_backend_symbol_processing 0
378 #ifndef elf_backend_symbol_table_processing
379 #define elf_backend_symbol_table_processing 0
381 #ifndef elf_backend_get_symbol_type
382 #define elf_backend_get_symbol_type 0
384 #ifndef elf_backend_archive_symbol_lookup
385 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
387 #ifndef elf_backend_name_local_section_symbols
388 #define elf_backend_name_local_section_symbols 0
390 #ifndef elf_backend_section_processing
391 #define elf_backend_section_processing 0
393 #ifndef elf_backend_section_from_shdr
394 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
396 #ifndef elf_backend_section_flags
397 #define elf_backend_section_flags 0
399 #ifndef elf_backend_get_sec_type_attr
400 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
402 #ifndef elf_backend_section_from_phdr
403 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
405 #ifndef elf_backend_fake_sections
406 #define elf_backend_fake_sections 0
408 #ifndef elf_backend_section_from_bfd_section
409 #define elf_backend_section_from_bfd_section 0
411 #ifndef elf_backend_add_symbol_hook
412 #define elf_backend_add_symbol_hook 0
414 #ifndef elf_backend_link_output_symbol_hook
415 #define elf_backend_link_output_symbol_hook 0
417 #ifndef elf_backend_create_dynamic_sections
418 #define elf_backend_create_dynamic_sections 0
420 #ifndef elf_backend_omit_section_dynsym
421 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
423 #ifndef elf_backend_relocs_compatible
424 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
426 #ifndef elf_backend_check_relocs
427 #define elf_backend_check_relocs 0
429 #ifndef elf_backend_check_directives
430 #define elf_backend_check_directives 0
432 #ifndef elf_backend_notice_as_needed
433 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
435 #ifndef elf_backend_adjust_dynamic_symbol
436 #define elf_backend_adjust_dynamic_symbol 0
438 #ifndef elf_backend_always_size_sections
439 #define elf_backend_always_size_sections 0
441 #ifndef elf_backend_size_dynamic_sections
442 #define elf_backend_size_dynamic_sections 0
444 #ifndef elf_backend_init_index_section
445 #define elf_backend_init_index_section \
446 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
448 #ifndef elf_backend_relocate_section
449 #define elf_backend_relocate_section 0
451 #ifndef elf_backend_finish_dynamic_symbol
452 #define elf_backend_finish_dynamic_symbol 0
454 #ifndef elf_backend_finish_dynamic_sections
455 #define elf_backend_finish_dynamic_sections 0
457 #ifndef elf_backend_begin_write_processing
458 #define elf_backend_begin_write_processing 0
460 #ifndef elf_backend_final_write_processing
461 #define elf_backend_final_write_processing 0
463 #ifndef elf_backend_additional_program_headers
464 #define elf_backend_additional_program_headers 0
466 #ifndef elf_backend_modify_segment_map
467 #define elf_backend_modify_segment_map 0
469 #ifndef elf_backend_modify_program_headers
470 #define elf_backend_modify_program_headers 0
472 #ifndef elf_backend_ecoff_debug_swap
473 #define elf_backend_ecoff_debug_swap 0
475 #ifndef elf_backend_bfd_from_remote_memory
476 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
478 #ifndef elf_backend_got_header_size
479 #define elf_backend_got_header_size 0
481 #ifndef elf_backend_got_elt_size
482 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
484 #ifndef elf_backend_obj_attrs_vendor
485 #define elf_backend_obj_attrs_vendor NULL
487 #ifndef elf_backend_obj_attrs_section
488 #define elf_backend_obj_attrs_section NULL
490 #ifndef elf_backend_obj_attrs_arg_type
491 #define elf_backend_obj_attrs_arg_type NULL
493 #ifndef elf_backend_obj_attrs_section_type
494 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
496 #ifndef elf_backend_obj_attrs_order
497 #define elf_backend_obj_attrs_order NULL
499 #ifndef elf_backend_obj_attrs_handle_unknown
500 #define elf_backend_obj_attrs_handle_unknown NULL
502 #ifndef elf_backend_static_tls_alignment
503 #define elf_backend_static_tls_alignment 1
505 #ifndef elf_backend_post_process_headers
506 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
508 #ifndef elf_backend_print_symbol_all
509 #define elf_backend_print_symbol_all NULL
511 #ifndef elf_backend_output_arch_local_syms
512 #define elf_backend_output_arch_local_syms NULL
514 #ifndef elf_backend_output_arch_syms
515 #define elf_backend_output_arch_syms NULL
517 #ifndef elf_backend_copy_indirect_symbol
518 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
520 #ifndef elf_backend_hide_symbol
521 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
523 #ifndef elf_backend_fixup_symbol
524 #define elf_backend_fixup_symbol NULL
526 #ifndef elf_backend_merge_symbol_attribute
527 #define elf_backend_merge_symbol_attribute NULL
529 #ifndef elf_backend_get_target_dtag
530 #define elf_backend_get_target_dtag NULL
532 #ifndef elf_backend_ignore_undef_symbol
533 #define elf_backend_ignore_undef_symbol NULL
535 #ifndef elf_backend_emit_relocs
536 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
538 #ifndef elf_backend_count_relocs
539 #define elf_backend_count_relocs NULL
541 #ifndef elf_backend_sort_relocs_p
542 #define elf_backend_sort_relocs_p NULL
544 #ifndef elf_backend_grok_prstatus
545 #define elf_backend_grok_prstatus NULL
547 #ifndef elf_backend_grok_psinfo
548 #define elf_backend_grok_psinfo NULL
550 #ifndef elf_backend_write_core_note
551 #define elf_backend_write_core_note NULL
553 #ifndef elf_backend_lookup_section_flags_hook
554 #define elf_backend_lookup_section_flags_hook NULL
556 #ifndef elf_backend_reloc_type_class
557 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
559 #ifndef elf_backend_discard_info
560 #define elf_backend_discard_info NULL
562 #ifndef elf_backend_ignore_discarded_relocs
563 #define elf_backend_ignore_discarded_relocs NULL
565 #ifndef elf_backend_action_discarded
566 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
568 #ifndef elf_backend_eh_frame_address_size
569 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
571 #ifndef elf_backend_can_make_relative_eh_frame
572 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
574 #ifndef elf_backend_can_make_lsda_relative_eh_frame
575 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
577 #ifndef elf_backend_encode_eh_address
578 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
580 #ifndef elf_backend_write_section
581 #define elf_backend_write_section NULL
583 #ifndef elf_backend_mips_irix_compat
584 #define elf_backend_mips_irix_compat NULL
586 #ifndef elf_backend_mips_rtype_to_howto
587 #define elf_backend_mips_rtype_to_howto NULL
590 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
591 sections, but not both. They defined USE_REL to indicate SHT_REL
592 sections, and left it undefined to indicated SHT_RELA sections.
593 For backwards compatibility, we still support this usage. */
598 /* Use these in new code. */
599 #ifndef elf_backend_may_use_rel_p
600 #define elf_backend_may_use_rel_p USE_REL
602 #ifndef elf_backend_may_use_rela_p
603 #define elf_backend_may_use_rela_p !USE_REL
605 #ifndef elf_backend_default_use_rela_p
606 #define elf_backend_default_use_rela_p !USE_REL
608 #ifndef elf_backend_rela_plts_and_copies_p
609 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
612 #ifndef elf_backend_rela_normal
613 #define elf_backend_rela_normal 0
616 #ifndef elf_backend_plt_sym_val
617 #define elf_backend_plt_sym_val NULL
619 #ifndef elf_backend_relplt_name
620 #define elf_backend_relplt_name NULL
623 #ifndef ELF_MACHINE_ALT1
624 #define ELF_MACHINE_ALT1 0
627 #ifndef ELF_MACHINE_ALT2
628 #define ELF_MACHINE_ALT2 0
631 #ifndef elf_backend_size_info
632 #define elf_backend_size_info _bfd_elfNN_size_info
635 #ifndef elf_backend_special_sections
636 #define elf_backend_special_sections NULL
639 #ifndef elf_backend_sign_extend_vma
640 #define elf_backend_sign_extend_vma 0
643 #ifndef elf_backend_link_order_error_handler
644 #define elf_backend_link_order_error_handler _bfd_default_error_handler
647 #ifndef elf_backend_common_definition
648 #define elf_backend_common_definition _bfd_elf_common_definition
651 #ifndef elf_backend_common_section_index
652 #define elf_backend_common_section_index _bfd_elf_common_section_index
655 #ifndef elf_backend_common_section
656 #define elf_backend_common_section _bfd_elf_common_section
659 #ifndef elf_backend_merge_symbol
660 #define elf_backend_merge_symbol NULL
663 #ifndef elf_backend_hash_symbol
664 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
667 #ifndef elf_backend_is_function_type
668 #define elf_backend_is_function_type _bfd_elf_is_function_type
671 #ifndef elf_backend_maybe_function_sym
672 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
675 #ifndef elf_match_priority
676 #define elf_match_priority \
677 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
680 extern const struct elf_size_info _bfd_elfNN_size_info;
682 static struct elf_backend_data elfNN_bed =
685 ELF_TARGET_ID, /* target_id */
686 ELF_MACHINE_CODE, /* elf_machine_code */
687 ELF_OSABI, /* elf_osabi */
688 ELF_MAXPAGESIZE, /* maxpagesize */
689 ELF_MINPAGESIZE, /* minpagesize */
690 ELF_COMMONPAGESIZE, /* commonpagesize */
691 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
692 elf_backend_arch_data,
694 elf_info_to_howto_rel,
695 elf_backend_sym_is_global,
696 elf_backend_object_p,
697 elf_backend_symbol_processing,
698 elf_backend_symbol_table_processing,
699 elf_backend_get_symbol_type,
700 elf_backend_archive_symbol_lookup,
701 elf_backend_name_local_section_symbols,
702 elf_backend_section_processing,
703 elf_backend_section_from_shdr,
704 elf_backend_section_flags,
705 elf_backend_get_sec_type_attr,
706 elf_backend_section_from_phdr,
707 elf_backend_fake_sections,
708 elf_backend_section_from_bfd_section,
709 elf_backend_add_symbol_hook,
710 elf_backend_link_output_symbol_hook,
711 elf_backend_create_dynamic_sections,
712 elf_backend_omit_section_dynsym,
713 elf_backend_relocs_compatible,
714 elf_backend_check_relocs,
715 elf_backend_check_directives,
716 elf_backend_notice_as_needed,
717 elf_backend_adjust_dynamic_symbol,
718 elf_backend_always_size_sections,
719 elf_backend_size_dynamic_sections,
720 elf_backend_init_index_section,
721 elf_backend_relocate_section,
722 elf_backend_finish_dynamic_symbol,
723 elf_backend_finish_dynamic_sections,
724 elf_backend_begin_write_processing,
725 elf_backend_final_write_processing,
726 elf_backend_additional_program_headers,
727 elf_backend_modify_segment_map,
728 elf_backend_modify_program_headers,
730 elf_backend_gc_mark_dynamic_ref,
731 elf_backend_gc_mark_hook,
732 elf_backend_gc_mark_extra_sections,
733 elf_backend_gc_sweep_hook,
734 elf_backend_post_process_headers,
735 elf_backend_print_symbol_all,
736 elf_backend_output_arch_local_syms,
737 elf_backend_output_arch_syms,
738 elf_backend_copy_indirect_symbol,
739 elf_backend_hide_symbol,
740 elf_backend_fixup_symbol,
741 elf_backend_merge_symbol_attribute,
742 elf_backend_get_target_dtag,
743 elf_backend_ignore_undef_symbol,
744 elf_backend_emit_relocs,
745 elf_backend_count_relocs,
746 elf_backend_sort_relocs_p,
747 elf_backend_grok_prstatus,
748 elf_backend_grok_psinfo,
749 elf_backend_write_core_note,
750 elf_backend_lookup_section_flags_hook,
751 elf_backend_reloc_type_class,
752 elf_backend_discard_info,
753 elf_backend_ignore_discarded_relocs,
754 elf_backend_action_discarded,
755 elf_backend_eh_frame_address_size,
756 elf_backend_can_make_relative_eh_frame,
757 elf_backend_can_make_lsda_relative_eh_frame,
758 elf_backend_encode_eh_address,
759 elf_backend_write_section,
760 elf_backend_mips_irix_compat,
761 elf_backend_mips_rtype_to_howto,
762 elf_backend_ecoff_debug_swap,
763 elf_backend_bfd_from_remote_memory,
764 elf_backend_plt_sym_val,
765 elf_backend_common_definition,
766 elf_backend_common_section_index,
767 elf_backend_common_section,
768 elf_backend_merge_symbol,
769 elf_backend_hash_symbol,
770 elf_backend_is_function_type,
771 elf_backend_maybe_function_sym,
772 elf_backend_link_order_error_handler,
773 elf_backend_relplt_name,
776 &elf_backend_size_info,
777 elf_backend_special_sections,
778 elf_backend_got_header_size,
779 elf_backend_got_elt_size,
780 elf_backend_obj_attrs_vendor,
781 elf_backend_obj_attrs_section,
782 elf_backend_obj_attrs_arg_type,
783 elf_backend_obj_attrs_section_type,
784 elf_backend_obj_attrs_order,
785 elf_backend_obj_attrs_handle_unknown,
786 elf_backend_static_tls_alignment,
787 elf_backend_stack_align,
789 elf_backend_type_change_ok,
790 elf_backend_may_use_rel_p,
791 elf_backend_may_use_rela_p,
792 elf_backend_default_use_rela_p,
793 elf_backend_rela_plts_and_copies_p,
794 elf_backend_rela_normal,
795 elf_backend_sign_extend_vma,
796 elf_backend_want_got_plt,
797 elf_backend_plt_readonly,
798 elf_backend_want_plt_sym,
799 elf_backend_plt_not_loaded,
800 elf_backend_plt_alignment,
801 elf_backend_can_gc_sections,
802 elf_backend_can_refcount,
803 elf_backend_want_got_sym,
804 elf_backend_want_dynbss,
805 elf_backend_want_p_paddr_set_to_zero,
806 elf_backend_default_execstack,
807 elf_backend_caches_rawsize,
808 elf_backend_extern_protected_data
811 /* Forward declaration for use when initialising alternative_target field. */
812 #ifdef TARGET_LITTLE_SYM
813 extern const bfd_target TARGET_LITTLE_SYM;
816 #ifdef TARGET_BIG_SYM
817 const bfd_target TARGET_BIG_SYM =
819 /* name: identify kind of target */
822 /* flavour: general indication about file */
823 bfd_target_elf_flavour,
825 /* byteorder: data is big endian */
828 /* header_byteorder: header is also big endian */
831 /* object_flags: mask of all file flags */
832 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
833 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
835 /* section_flags: mask of all section flags */
836 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
837 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
838 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
840 /* leading_symbol_char: is the first char of a user symbol
841 predictable, and if so what is it */
842 elf_symbol_leading_char,
844 /* ar_pad_char: pad character for filenames within an archive header
845 FIXME: this really has nothing to do with ELF, this is a characteristic
846 of the archiver and/or os and should be independently tunable */
849 /* ar_max_namelen: maximum number of characters in an archive header
850 FIXME: this really has nothing to do with ELF, this is a characteristic
851 of the archiver and should be independently tunable. The System V ABI,
852 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
857 /* Routines to byte-swap various sized integers from the data sections */
858 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
859 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
860 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
862 /* Routines to byte-swap various sized integers from the file headers */
863 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
864 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
865 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
867 /* bfd_check_format: check the format of a file being read */
868 { _bfd_dummy_target, /* unknown format */
869 bfd_elfNN_object_p, /* assembler/linker output (object file) */
870 bfd_elfNN_archive_p, /* an archive */
871 bfd_elfNN_core_file_p /* a core file */
874 /* bfd_set_format: set the format of a file being written */
881 /* bfd_write_contents: write cached information into a file being written */
883 bfd_elfNN_write_object_contents,
884 bfd_elfNN_write_archive_contents,
885 bfd_elfNN_write_corefile_contents,
888 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
889 BFD_JUMP_TABLE_COPY (bfd_elfNN),
890 BFD_JUMP_TABLE_CORE (bfd_elfNN),
891 #ifdef bfd_elfNN_archive_functions
892 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
894 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
896 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
897 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
898 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
899 BFD_JUMP_TABLE_LINK (bfd_elfNN),
900 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
902 /* Alternative endian target. */
903 #ifdef TARGET_LITTLE_SYM
914 #ifdef TARGET_LITTLE_SYM
915 const bfd_target TARGET_LITTLE_SYM =
917 /* name: identify kind of target */
920 /* flavour: general indication about file */
921 bfd_target_elf_flavour,
923 /* byteorder: data is little endian */
926 /* header_byteorder: header is also little 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),
933 /* section_flags: mask of all section flags */
934 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
935 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
936 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
938 /* leading_symbol_char: is the first char of a user symbol
939 predictable, and if so what is it */
940 elf_symbol_leading_char,
942 /* ar_pad_char: pad character for filenames within an archive header
943 FIXME: this really has nothing to do with ELF, this is a characteristic
944 of the archiver and/or os and should be independently tunable */
947 /* ar_max_namelen: maximum number of characters in an archive header
948 FIXME: this really has nothing to do with ELF, this is a characteristic
949 of the archiver and should be independently tunable. The System V ABI,
950 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
955 /* Routines to byte-swap various sized integers from the data sections */
956 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
957 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
958 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
960 /* Routines to byte-swap various sized integers from the file headers */
961 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
962 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
963 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
965 /* bfd_check_format: check the format of a file being read */
966 { _bfd_dummy_target, /* unknown format */
967 bfd_elfNN_object_p, /* assembler/linker output (object file) */
968 bfd_elfNN_archive_p, /* an archive */
969 bfd_elfNN_core_file_p /* a core file */
972 /* bfd_set_format: set the format of a file being written */
979 /* bfd_write_contents: write cached information into a file being written */
981 bfd_elfNN_write_object_contents,
982 bfd_elfNN_write_archive_contents,
983 bfd_elfNN_write_corefile_contents,
986 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
987 BFD_JUMP_TABLE_COPY (bfd_elfNN),
988 BFD_JUMP_TABLE_CORE (bfd_elfNN),
989 #ifdef bfd_elfNN_archive_functions
990 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
992 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
994 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
995 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
996 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
997 BFD_JUMP_TABLE_LINK (bfd_elfNN),
998 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1000 /* Alternative endian target. */
1001 #ifdef TARGET_BIG_SYM