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_ecoff_debug_swap
483 #define elf_backend_ecoff_debug_swap 0
485 #ifndef elf_backend_bfd_from_remote_memory
486 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
488 #ifndef elf_backend_got_header_size
489 #define elf_backend_got_header_size 0
491 #ifndef elf_backend_got_elt_size
492 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
494 #ifndef elf_backend_obj_attrs_vendor
495 #define elf_backend_obj_attrs_vendor NULL
497 #ifndef elf_backend_obj_attrs_section
498 #define elf_backend_obj_attrs_section NULL
500 #ifndef elf_backend_obj_attrs_arg_type
501 #define elf_backend_obj_attrs_arg_type NULL
503 #ifndef elf_backend_obj_attrs_section_type
504 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
506 #ifndef elf_backend_obj_attrs_order
507 #define elf_backend_obj_attrs_order NULL
509 #ifndef elf_backend_obj_attrs_handle_unknown
510 #define elf_backend_obj_attrs_handle_unknown NULL
512 #ifndef elf_backend_static_tls_alignment
513 #define elf_backend_static_tls_alignment 1
515 #ifndef elf_backend_post_process_headers
516 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
518 #ifndef elf_backend_print_symbol_all
519 #define elf_backend_print_symbol_all NULL
521 #ifndef elf_backend_output_arch_local_syms
522 #define elf_backend_output_arch_local_syms NULL
524 #ifndef elf_backend_output_arch_syms
525 #define elf_backend_output_arch_syms NULL
527 #ifndef elf_backend_filter_implib_symbols
528 #define elf_backend_filter_implib_symbols NULL
530 #ifndef elf_backend_copy_indirect_symbol
531 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
533 #ifndef elf_backend_hide_symbol
534 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
536 #ifndef elf_backend_fixup_symbol
537 #define elf_backend_fixup_symbol NULL
539 #ifndef elf_backend_merge_symbol_attribute
540 #define elf_backend_merge_symbol_attribute NULL
542 #ifndef elf_backend_get_target_dtag
543 #define elf_backend_get_target_dtag NULL
545 #ifndef elf_backend_ignore_undef_symbol
546 #define elf_backend_ignore_undef_symbol NULL
548 #ifndef elf_backend_emit_relocs
549 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
551 #ifndef elf_backend_update_relocs
552 #define elf_backend_update_relocs NULL
554 #ifndef elf_backend_count_relocs
555 #define elf_backend_count_relocs NULL
557 #ifndef elf_backend_count_additional_relocs
558 #define elf_backend_count_additional_relocs NULL
560 #ifndef elf_backend_sort_relocs_p
561 #define elf_backend_sort_relocs_p NULL
563 #ifndef elf_backend_grok_prstatus
564 #define elf_backend_grok_prstatus NULL
566 #ifndef elf_backend_grok_psinfo
567 #define elf_backend_grok_psinfo NULL
569 #ifndef elf_backend_write_core_note
570 #define elf_backend_write_core_note NULL
572 #ifndef elf_backend_lookup_section_flags_hook
573 #define elf_backend_lookup_section_flags_hook NULL
575 #ifndef elf_backend_reloc_type_class
576 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
578 #ifndef elf_backend_discard_info
579 #define elf_backend_discard_info NULL
581 #ifndef elf_backend_ignore_discarded_relocs
582 #define elf_backend_ignore_discarded_relocs NULL
584 #ifndef elf_backend_action_discarded
585 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
587 #ifndef elf_backend_eh_frame_address_size
588 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
590 #ifndef elf_backend_can_make_relative_eh_frame
591 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
593 #ifndef elf_backend_can_make_lsda_relative_eh_frame
594 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
596 #ifndef elf_backend_encode_eh_address
597 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
599 #ifndef elf_backend_write_section
600 #define elf_backend_write_section NULL
602 #ifndef elf_backend_mips_irix_compat
603 #define elf_backend_mips_irix_compat NULL
605 #ifndef elf_backend_mips_rtype_to_howto
606 #define elf_backend_mips_rtype_to_howto NULL
609 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
610 sections, but not both. They defined USE_REL to indicate SHT_REL
611 sections, and left it undefined to indicated SHT_RELA sections.
612 For backwards compatibility, we still support this usage. */
617 /* Use these in new code. */
618 #ifndef elf_backend_may_use_rel_p
619 #define elf_backend_may_use_rel_p USE_REL
621 #ifndef elf_backend_may_use_rela_p
622 #define elf_backend_may_use_rela_p !USE_REL
624 #ifndef elf_backend_default_use_rela_p
625 #define elf_backend_default_use_rela_p !USE_REL
627 #ifndef elf_backend_rela_plts_and_copies_p
628 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
631 #ifndef elf_backend_rela_normal
632 #define elf_backend_rela_normal 0
635 #ifndef elf_backend_dtrel_excludes_plt
636 #define elf_backend_dtrel_excludes_plt 0
639 #ifndef elf_backend_plt_sym_val
640 #define elf_backend_plt_sym_val NULL
642 #ifndef elf_backend_relplt_name
643 #define elf_backend_relplt_name NULL
646 #ifndef ELF_MACHINE_ALT1
647 #define ELF_MACHINE_ALT1 0
650 #ifndef ELF_MACHINE_ALT2
651 #define ELF_MACHINE_ALT2 0
654 #ifndef elf_backend_size_info
655 #define elf_backend_size_info _bfd_elfNN_size_info
658 #ifndef elf_backend_special_sections
659 #define elf_backend_special_sections NULL
662 #ifndef elf_backend_sign_extend_vma
663 #define elf_backend_sign_extend_vma 0
666 #ifndef elf_backend_link_order_error_handler
667 #define elf_backend_link_order_error_handler _bfd_error_handler
670 #ifndef elf_backend_common_definition
671 #define elf_backend_common_definition _bfd_elf_common_definition
674 #ifndef elf_backend_common_section_index
675 #define elf_backend_common_section_index _bfd_elf_common_section_index
678 #ifndef elf_backend_common_section
679 #define elf_backend_common_section _bfd_elf_common_section
682 #ifndef elf_backend_merge_symbol
683 #define elf_backend_merge_symbol NULL
686 #ifndef elf_backend_hash_symbol
687 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
690 #ifndef elf_backend_is_function_type
691 #define elf_backend_is_function_type _bfd_elf_is_function_type
694 #ifndef elf_backend_maybe_function_sym
695 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
698 #ifndef elf_backend_get_reloc_section
699 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
702 #ifndef elf_backend_copy_special_section_fields
703 #define elf_backend_copy_special_section_fields NULL
706 #ifndef elf_backend_compact_eh_encoding
707 #define elf_backend_compact_eh_encoding NULL
710 #ifndef elf_backend_cant_unwind_opcode
711 #define elf_backend_cant_unwind_opcode 0
714 #ifndef elf_match_priority
715 #define elf_match_priority \
716 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
719 extern const struct elf_size_info _bfd_elfNN_size_info;
721 static struct elf_backend_data elfNN_bed =
724 ELF_TARGET_ID, /* target_id */
725 ELF_MACHINE_CODE, /* elf_machine_code */
726 ELF_OSABI, /* elf_osabi */
727 ELF_MAXPAGESIZE, /* maxpagesize */
728 ELF_MINPAGESIZE, /* minpagesize */
729 ELF_COMMONPAGESIZE, /* commonpagesize */
730 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
731 elf_backend_arch_data,
733 elf_info_to_howto_rel,
734 elf_backend_sym_is_global,
735 elf_backend_object_p,
736 elf_backend_symbol_processing,
737 elf_backend_symbol_table_processing,
738 elf_backend_get_symbol_type,
739 elf_backend_archive_symbol_lookup,
740 elf_backend_name_local_section_symbols,
741 elf_backend_section_processing,
742 elf_backend_section_from_shdr,
743 elf_backend_section_flags,
744 elf_backend_get_sec_type_attr,
745 elf_backend_section_from_phdr,
746 elf_backend_fake_sections,
747 elf_backend_section_from_bfd_section,
748 elf_backend_add_symbol_hook,
749 elf_backend_link_output_symbol_hook,
750 elf_backend_create_dynamic_sections,
751 elf_backend_omit_section_dynsym,
752 elf_backend_relocs_compatible,
753 elf_backend_check_relocs,
754 elf_backend_check_directives,
755 elf_backend_notice_as_needed,
756 elf_backend_adjust_dynamic_symbol,
757 elf_backend_always_size_sections,
758 elf_backend_size_dynamic_sections,
759 elf_backend_init_index_section,
760 elf_backend_relocate_section,
761 elf_backend_finish_dynamic_symbol,
762 elf_backend_finish_dynamic_sections,
763 elf_backend_begin_write_processing,
764 elf_backend_final_write_processing,
765 elf_backend_additional_program_headers,
766 elf_backend_modify_segment_map,
767 elf_backend_modify_program_headers,
769 elf_backend_gc_mark_dynamic_ref,
770 elf_backend_gc_mark_hook,
771 elf_backend_gc_mark_extra_sections,
772 elf_backend_gc_sweep_hook,
773 elf_backend_post_process_headers,
774 elf_backend_print_symbol_all,
775 elf_backend_output_arch_local_syms,
776 elf_backend_output_arch_syms,
777 elf_backend_filter_implib_symbols,
778 elf_backend_copy_indirect_symbol,
779 elf_backend_hide_symbol,
780 elf_backend_fixup_symbol,
781 elf_backend_merge_symbol_attribute,
782 elf_backend_get_target_dtag,
783 elf_backend_ignore_undef_symbol,
784 elf_backend_emit_relocs,
785 elf_backend_update_relocs,
786 elf_backend_count_relocs,
787 elf_backend_count_additional_relocs,
788 elf_backend_sort_relocs_p,
789 elf_backend_grok_prstatus,
790 elf_backend_grok_psinfo,
791 elf_backend_write_core_note,
792 elf_backend_lookup_section_flags_hook,
793 elf_backend_reloc_type_class,
794 elf_backend_discard_info,
795 elf_backend_ignore_discarded_relocs,
796 elf_backend_action_discarded,
797 elf_backend_eh_frame_address_size,
798 elf_backend_can_make_relative_eh_frame,
799 elf_backend_can_make_lsda_relative_eh_frame,
800 elf_backend_encode_eh_address,
801 elf_backend_write_section,
802 elf_backend_mips_irix_compat,
803 elf_backend_mips_rtype_to_howto,
804 elf_backend_ecoff_debug_swap,
805 elf_backend_bfd_from_remote_memory,
806 elf_backend_plt_sym_val,
807 elf_backend_common_definition,
808 elf_backend_common_section_index,
809 elf_backend_common_section,
810 elf_backend_merge_symbol,
811 elf_backend_hash_symbol,
812 elf_backend_is_function_type,
813 elf_backend_maybe_function_sym,
814 elf_backend_get_reloc_section,
815 elf_backend_copy_special_section_fields,
816 elf_backend_link_order_error_handler,
817 elf_backend_relplt_name,
820 &elf_backend_size_info,
821 elf_backend_special_sections,
822 elf_backend_got_header_size,
823 elf_backend_got_elt_size,
824 elf_backend_obj_attrs_vendor,
825 elf_backend_obj_attrs_section,
826 elf_backend_obj_attrs_arg_type,
827 elf_backend_obj_attrs_section_type,
828 elf_backend_obj_attrs_order,
829 elf_backend_obj_attrs_handle_unknown,
830 elf_backend_compact_eh_encoding,
831 elf_backend_cant_unwind_opcode,
832 elf_backend_static_tls_alignment,
833 elf_backend_stack_align,
834 elf_backend_strtab_flags,
836 elf_backend_type_change_ok,
837 elf_backend_may_use_rel_p,
838 elf_backend_may_use_rela_p,
839 elf_backend_default_use_rela_p,
840 elf_backend_rela_plts_and_copies_p,
841 elf_backend_rela_normal,
842 elf_backend_dtrel_excludes_plt,
843 elf_backend_sign_extend_vma,
844 elf_backend_want_got_plt,
845 elf_backend_plt_readonly,
846 elf_backend_want_plt_sym,
847 elf_backend_plt_not_loaded,
848 elf_backend_plt_alignment,
849 elf_backend_can_gc_sections,
850 elf_backend_can_refcount,
851 elf_backend_want_got_sym,
852 elf_backend_want_dynbss,
853 elf_backend_want_p_paddr_set_to_zero,
854 elf_backend_default_execstack,
855 elf_backend_caches_rawsize,
856 elf_backend_extern_protected_data
859 /* Forward declaration for use when initialising alternative_target field. */
860 #ifdef TARGET_LITTLE_SYM
861 extern const bfd_target TARGET_LITTLE_SYM;
864 #ifdef TARGET_BIG_SYM
865 const bfd_target TARGET_BIG_SYM =
867 /* name: identify kind of target */
870 /* flavour: general indication about file */
871 bfd_target_elf_flavour,
873 /* byteorder: data is big endian */
876 /* header_byteorder: header is also big endian */
879 /* object_flags: mask of all file flags */
880 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
881 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
882 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
884 /* section_flags: mask of all section flags */
885 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
886 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
887 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
889 /* leading_symbol_char: is the first char of a user symbol
890 predictable, and if so what is it */
891 elf_symbol_leading_char,
893 /* ar_pad_char: pad character for filenames within an archive header
894 FIXME: this really has nothing to do with ELF, this is a characteristic
895 of the archiver and/or os and should be independently tunable */
898 /* ar_max_namelen: maximum number of characters in an archive header
899 FIXME: this really has nothing to do with ELF, this is a characteristic
900 of the archiver and should be independently tunable. The System V ABI,
901 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
906 /* Routines to byte-swap various sized integers from the data sections */
907 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
908 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
909 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
911 /* Routines to byte-swap various sized integers from the file headers */
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 /* bfd_check_format: check the format of a file being read */
917 { _bfd_dummy_target, /* unknown format */
918 bfd_elfNN_object_p, /* assembler/linker output (object file) */
919 bfd_elfNN_archive_p, /* an archive */
920 bfd_elfNN_core_file_p /* a core file */
923 /* bfd_set_format: set the format of a file being written */
930 /* bfd_write_contents: write cached information into a file being written */
932 bfd_elfNN_write_object_contents,
933 bfd_elfNN_write_archive_contents,
934 bfd_elfNN_write_corefile_contents,
937 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
938 BFD_JUMP_TABLE_COPY (bfd_elfNN),
939 BFD_JUMP_TABLE_CORE (bfd_elfNN),
940 #ifdef bfd_elfNN_archive_functions
941 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
942 #elif defined USE_64_BIT_ARCHIVE
943 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
945 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
947 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
948 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
949 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
950 BFD_JUMP_TABLE_LINK (bfd_elfNN),
951 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
953 /* Alternative endian target. */
954 #ifdef TARGET_LITTLE_SYM
965 #ifdef TARGET_LITTLE_SYM
966 const bfd_target TARGET_LITTLE_SYM =
968 /* name: identify kind of target */
971 /* flavour: general indication about file */
972 bfd_target_elf_flavour,
974 /* byteorder: data is little endian */
977 /* header_byteorder: header is also little endian */
980 /* object_flags: mask of all file flags */
981 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
982 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
983 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
985 /* section_flags: mask of all section flags */
986 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
987 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
988 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
990 /* leading_symbol_char: is the first char of a user symbol
991 predictable, and if so what is it */
992 elf_symbol_leading_char,
994 /* ar_pad_char: pad character for filenames within an archive header
995 FIXME: this really has nothing to do with ELF, this is a characteristic
996 of the archiver and/or os and should be independently tunable */
999 /* ar_max_namelen: maximum number of characters in an archive header
1000 FIXME: this really has nothing to do with ELF, this is a characteristic
1001 of the archiver and should be independently tunable. The System V ABI,
1002 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
1007 /* Routines to byte-swap various sized integers from the data sections */
1008 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1009 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1010 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1012 /* Routines to byte-swap various sized integers from the file headers */
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 /* bfd_check_format: check the format of a file being read */
1018 { _bfd_dummy_target, /* unknown format */
1019 bfd_elfNN_object_p, /* assembler/linker output (object file) */
1020 bfd_elfNN_archive_p, /* an archive */
1021 bfd_elfNN_core_file_p /* a core file */
1024 /* bfd_set_format: set the format of a file being written */
1027 bfd_elfNN_mkarchive,
1028 bfd_elfNN_mkcorefile
1031 /* bfd_write_contents: write cached information into a file being written */
1033 bfd_elfNN_write_object_contents,
1034 bfd_elfNN_write_archive_contents,
1035 bfd_elfNN_write_corefile_contents,
1038 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1039 BFD_JUMP_TABLE_COPY (bfd_elfNN),
1040 BFD_JUMP_TABLE_CORE (bfd_elfNN),
1041 #ifdef bfd_elfNN_archive_functions
1042 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1043 #elif defined USE_64_BIT_ARCHIVE
1044 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
1046 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1048 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1049 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1050 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1051 BFD_JUMP_TABLE_LINK (bfd_elfNN),
1052 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1054 /* Alternative endian target. */
1055 #ifdef TARGET_BIG_SYM