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 *, bfd *)) 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_link_add_symbols
254 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols
256 #ifndef bfd_elfNN_bfd_final_link
257 #define bfd_elfNN_bfd_final_link bfd_elf_final_link
259 #else /* ! defined (elf_backend_relocate_section) */
260 /* If no backend relocate_section routine, use the generic linker.
261 Note - this will prevent the port from being able to use some of
262 the other features of the ELF linker, because the generic hash structure
263 does not have the fields needed by the ELF linker. In particular it
264 means that linking directly to S-records will not work. */
265 #ifndef bfd_elfNN_bfd_link_hash_table_create
266 #define bfd_elfNN_bfd_link_hash_table_create \
267 _bfd_generic_link_hash_table_create
269 #ifndef bfd_elfNN_bfd_link_add_symbols
270 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols
272 #ifndef bfd_elfNN_bfd_final_link
273 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link
275 #endif /* ! defined (elf_backend_relocate_section) */
277 #ifndef bfd_elfNN_bfd_link_just_syms
278 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms
281 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
282 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
283 _bfd_elf_copy_link_hash_symbol_type
286 #ifndef bfd_elfNN_bfd_link_split_section
287 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
290 #ifndef bfd_elfNN_bfd_link_check_relocs
291 #define bfd_elfNN_bfd_link_check_relocs _bfd_elf_link_check_relocs
294 #ifndef bfd_elfNN_archive_p
295 #define bfd_elfNN_archive_p bfd_generic_archive_p
298 #ifndef bfd_elfNN_write_archive_contents
299 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
302 #ifndef bfd_elfNN_mkobject
303 #define bfd_elfNN_mkobject bfd_elf_make_object
306 #ifndef bfd_elfNN_mkcorefile
307 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
310 #ifndef bfd_elfNN_mkarchive
311 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
314 #ifndef bfd_elfNN_print_symbol
315 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
318 #ifndef elf_symbol_leading_char
319 #define elf_symbol_leading_char 0
322 #ifndef elf_info_to_howto
323 #define elf_info_to_howto 0
326 #ifndef elf_info_to_howto_rel
327 #define elf_info_to_howto_rel 0
330 #ifndef elf_backend_arch_data
331 #define elf_backend_arch_data NULL
334 #ifndef ELF_TARGET_ID
335 #define ELF_TARGET_ID GENERIC_ELF_DATA
339 #define ELF_OSABI ELFOSABI_NONE
342 #ifndef ELF_MAXPAGESIZE
343 # error ELF_MAXPAGESIZE is not defined
344 #define ELF_MAXPAGESIZE 1
347 #ifndef ELF_COMMONPAGESIZE
348 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
351 #ifndef ELF_MINPAGESIZE
352 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
355 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
356 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
358 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
359 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
362 #ifndef ELF_DYNAMIC_SEC_FLAGS
363 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
364 #define ELF_DYNAMIC_SEC_FLAGS \
365 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
366 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
369 #ifndef elf_backend_collect
370 #define elf_backend_collect FALSE
372 #ifndef elf_backend_type_change_ok
373 #define elf_backend_type_change_ok FALSE
376 #ifndef elf_backend_sym_is_global
377 #define elf_backend_sym_is_global 0
379 #ifndef elf_backend_object_p
380 #define elf_backend_object_p 0
382 #ifndef elf_backend_symbol_processing
383 #define elf_backend_symbol_processing 0
385 #ifndef elf_backend_symbol_table_processing
386 #define elf_backend_symbol_table_processing 0
388 #ifndef elf_backend_get_symbol_type
389 #define elf_backend_get_symbol_type 0
391 #ifndef elf_backend_archive_symbol_lookup
392 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
394 #ifndef elf_backend_name_local_section_symbols
395 #define elf_backend_name_local_section_symbols 0
397 #ifndef elf_backend_section_processing
398 #define elf_backend_section_processing 0
400 #ifndef elf_backend_section_from_shdr
401 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
403 #ifndef elf_backend_section_flags
404 #define elf_backend_section_flags 0
406 #ifndef elf_backend_get_sec_type_attr
407 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
409 #ifndef elf_backend_section_from_phdr
410 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
412 #ifndef elf_backend_fake_sections
413 #define elf_backend_fake_sections 0
415 #ifndef elf_backend_section_from_bfd_section
416 #define elf_backend_section_from_bfd_section 0
418 #ifndef elf_backend_add_symbol_hook
419 #define elf_backend_add_symbol_hook 0
421 #ifndef elf_backend_link_output_symbol_hook
422 #define elf_backend_link_output_symbol_hook 0
424 #ifndef elf_backend_create_dynamic_sections
425 #define elf_backend_create_dynamic_sections 0
427 #ifndef elf_backend_omit_section_dynsym
428 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
430 #ifndef elf_backend_relocs_compatible
431 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
433 #ifndef elf_backend_check_relocs
434 #define elf_backend_check_relocs 0
436 #ifndef elf_backend_check_directives
437 #define elf_backend_check_directives 0
439 #ifndef elf_backend_notice_as_needed
440 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
442 #ifndef elf_backend_adjust_dynamic_symbol
443 #define elf_backend_adjust_dynamic_symbol 0
445 #ifndef elf_backend_always_size_sections
446 #define elf_backend_always_size_sections 0
448 #ifndef elf_backend_size_dynamic_sections
449 #define elf_backend_size_dynamic_sections 0
451 #ifndef elf_backend_init_index_section
452 #define elf_backend_init_index_section \
453 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
455 #ifndef elf_backend_relocate_section
456 #define elf_backend_relocate_section 0
458 #ifndef elf_backend_finish_dynamic_symbol
459 #define elf_backend_finish_dynamic_symbol 0
461 #ifndef elf_backend_finish_dynamic_sections
462 #define elf_backend_finish_dynamic_sections 0
464 #ifndef elf_backend_begin_write_processing
465 #define elf_backend_begin_write_processing 0
467 #ifndef elf_backend_final_write_processing
468 #define elf_backend_final_write_processing 0
470 #ifndef elf_backend_additional_program_headers
471 #define elf_backend_additional_program_headers 0
473 #ifndef elf_backend_modify_segment_map
474 #define elf_backend_modify_segment_map 0
476 #ifndef elf_backend_modify_program_headers
477 #define elf_backend_modify_program_headers 0
479 #ifndef elf_backend_ecoff_debug_swap
480 #define elf_backend_ecoff_debug_swap 0
482 #ifndef elf_backend_bfd_from_remote_memory
483 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
485 #ifndef elf_backend_got_header_size
486 #define elf_backend_got_header_size 0
488 #ifndef elf_backend_got_elt_size
489 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
491 #ifndef elf_backend_obj_attrs_vendor
492 #define elf_backend_obj_attrs_vendor NULL
494 #ifndef elf_backend_obj_attrs_section
495 #define elf_backend_obj_attrs_section NULL
497 #ifndef elf_backend_obj_attrs_arg_type
498 #define elf_backend_obj_attrs_arg_type NULL
500 #ifndef elf_backend_obj_attrs_section_type
501 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
503 #ifndef elf_backend_obj_attrs_order
504 #define elf_backend_obj_attrs_order NULL
506 #ifndef elf_backend_obj_attrs_handle_unknown
507 #define elf_backend_obj_attrs_handle_unknown NULL
509 #ifndef elf_backend_static_tls_alignment
510 #define elf_backend_static_tls_alignment 1
512 #ifndef elf_backend_post_process_headers
513 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
515 #ifndef elf_backend_print_symbol_all
516 #define elf_backend_print_symbol_all NULL
518 #ifndef elf_backend_output_arch_local_syms
519 #define elf_backend_output_arch_local_syms NULL
521 #ifndef elf_backend_output_arch_syms
522 #define elf_backend_output_arch_syms NULL
524 #ifndef elf_backend_copy_indirect_symbol
525 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
527 #ifndef elf_backend_hide_symbol
528 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
530 #ifndef elf_backend_fixup_symbol
531 #define elf_backend_fixup_symbol NULL
533 #ifndef elf_backend_merge_symbol_attribute
534 #define elf_backend_merge_symbol_attribute NULL
536 #ifndef elf_backend_get_target_dtag
537 #define elf_backend_get_target_dtag NULL
539 #ifndef elf_backend_ignore_undef_symbol
540 #define elf_backend_ignore_undef_symbol NULL
542 #ifndef elf_backend_emit_relocs
543 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
545 #ifndef elf_backend_count_relocs
546 #define elf_backend_count_relocs NULL
548 #ifndef elf_backend_count_additional_relocs
549 #define elf_backend_count_additional_relocs NULL
551 #ifndef elf_backend_sort_relocs_p
552 #define elf_backend_sort_relocs_p NULL
554 #ifndef elf_backend_grok_prstatus
555 #define elf_backend_grok_prstatus NULL
557 #ifndef elf_backend_grok_psinfo
558 #define elf_backend_grok_psinfo NULL
560 #ifndef elf_backend_write_core_note
561 #define elf_backend_write_core_note NULL
563 #ifndef elf_backend_lookup_section_flags_hook
564 #define elf_backend_lookup_section_flags_hook NULL
566 #ifndef elf_backend_reloc_type_class
567 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
569 #ifndef elf_backend_discard_info
570 #define elf_backend_discard_info NULL
572 #ifndef elf_backend_ignore_discarded_relocs
573 #define elf_backend_ignore_discarded_relocs NULL
575 #ifndef elf_backend_action_discarded
576 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
578 #ifndef elf_backend_eh_frame_address_size
579 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
581 #ifndef elf_backend_can_make_relative_eh_frame
582 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
584 #ifndef elf_backend_can_make_lsda_relative_eh_frame
585 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
587 #ifndef elf_backend_encode_eh_address
588 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
590 #ifndef elf_backend_write_section
591 #define elf_backend_write_section NULL
593 #ifndef elf_backend_mips_irix_compat
594 #define elf_backend_mips_irix_compat NULL
596 #ifndef elf_backend_mips_rtype_to_howto
597 #define elf_backend_mips_rtype_to_howto NULL
600 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
601 sections, but not both. They defined USE_REL to indicate SHT_REL
602 sections, and left it undefined to indicated SHT_RELA sections.
603 For backwards compatibility, we still support this usage. */
608 /* Use these in new code. */
609 #ifndef elf_backend_may_use_rel_p
610 #define elf_backend_may_use_rel_p USE_REL
612 #ifndef elf_backend_may_use_rela_p
613 #define elf_backend_may_use_rela_p !USE_REL
615 #ifndef elf_backend_default_use_rela_p
616 #define elf_backend_default_use_rela_p !USE_REL
618 #ifndef elf_backend_rela_plts_and_copies_p
619 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
622 #ifndef elf_backend_rela_normal
623 #define elf_backend_rela_normal 0
626 #ifndef elf_backend_plt_sym_val
627 #define elf_backend_plt_sym_val NULL
629 #ifndef elf_backend_relplt_name
630 #define elf_backend_relplt_name NULL
633 #ifndef ELF_MACHINE_ALT1
634 #define ELF_MACHINE_ALT1 0
637 #ifndef ELF_MACHINE_ALT2
638 #define ELF_MACHINE_ALT2 0
641 #ifndef elf_backend_size_info
642 #define elf_backend_size_info _bfd_elfNN_size_info
645 #ifndef elf_backend_special_sections
646 #define elf_backend_special_sections NULL
649 #ifndef elf_backend_sign_extend_vma
650 #define elf_backend_sign_extend_vma 0
653 #ifndef elf_backend_link_order_error_handler
654 #define elf_backend_link_order_error_handler _bfd_default_error_handler
657 #ifndef elf_backend_common_definition
658 #define elf_backend_common_definition _bfd_elf_common_definition
661 #ifndef elf_backend_common_section_index
662 #define elf_backend_common_section_index _bfd_elf_common_section_index
665 #ifndef elf_backend_common_section
666 #define elf_backend_common_section _bfd_elf_common_section
669 #ifndef elf_backend_merge_symbol
670 #define elf_backend_merge_symbol NULL
673 #ifndef elf_backend_hash_symbol
674 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
677 #ifndef elf_backend_is_function_type
678 #define elf_backend_is_function_type _bfd_elf_is_function_type
681 #ifndef elf_backend_maybe_function_sym
682 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
685 #ifndef elf_backend_get_reloc_section
686 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
689 #ifndef elf_backend_copy_special_section_fields
690 #define elf_backend_copy_special_section_fields NULL
693 #ifndef elf_backend_compact_eh_encoding
694 #define elf_backend_compact_eh_encoding NULL
697 #ifndef elf_backend_cant_unwind_opcode
698 #define elf_backend_cant_unwind_opcode 0
701 #ifndef elf_match_priority
702 #define elf_match_priority \
703 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
706 extern const struct elf_size_info _bfd_elfNN_size_info;
708 static struct elf_backend_data elfNN_bed =
711 ELF_TARGET_ID, /* target_id */
712 ELF_MACHINE_CODE, /* elf_machine_code */
713 ELF_OSABI, /* elf_osabi */
714 ELF_MAXPAGESIZE, /* maxpagesize */
715 ELF_MINPAGESIZE, /* minpagesize */
716 ELF_COMMONPAGESIZE, /* commonpagesize */
717 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
718 elf_backend_arch_data,
720 elf_info_to_howto_rel,
721 elf_backend_sym_is_global,
722 elf_backend_object_p,
723 elf_backend_symbol_processing,
724 elf_backend_symbol_table_processing,
725 elf_backend_get_symbol_type,
726 elf_backend_archive_symbol_lookup,
727 elf_backend_name_local_section_symbols,
728 elf_backend_section_processing,
729 elf_backend_section_from_shdr,
730 elf_backend_section_flags,
731 elf_backend_get_sec_type_attr,
732 elf_backend_section_from_phdr,
733 elf_backend_fake_sections,
734 elf_backend_section_from_bfd_section,
735 elf_backend_add_symbol_hook,
736 elf_backend_link_output_symbol_hook,
737 elf_backend_create_dynamic_sections,
738 elf_backend_omit_section_dynsym,
739 elf_backend_relocs_compatible,
740 elf_backend_check_relocs,
741 elf_backend_check_directives,
742 elf_backend_notice_as_needed,
743 elf_backend_adjust_dynamic_symbol,
744 elf_backend_always_size_sections,
745 elf_backend_size_dynamic_sections,
746 elf_backend_init_index_section,
747 elf_backend_relocate_section,
748 elf_backend_finish_dynamic_symbol,
749 elf_backend_finish_dynamic_sections,
750 elf_backend_begin_write_processing,
751 elf_backend_final_write_processing,
752 elf_backend_additional_program_headers,
753 elf_backend_modify_segment_map,
754 elf_backend_modify_program_headers,
756 elf_backend_gc_mark_dynamic_ref,
757 elf_backend_gc_mark_hook,
758 elf_backend_gc_mark_extra_sections,
759 elf_backend_gc_sweep_hook,
760 elf_backend_post_process_headers,
761 elf_backend_print_symbol_all,
762 elf_backend_output_arch_local_syms,
763 elf_backend_output_arch_syms,
764 elf_backend_copy_indirect_symbol,
765 elf_backend_hide_symbol,
766 elf_backend_fixup_symbol,
767 elf_backend_merge_symbol_attribute,
768 elf_backend_get_target_dtag,
769 elf_backend_ignore_undef_symbol,
770 elf_backend_emit_relocs,
771 elf_backend_count_relocs,
772 elf_backend_count_additional_relocs,
773 elf_backend_sort_relocs_p,
774 elf_backend_grok_prstatus,
775 elf_backend_grok_psinfo,
776 elf_backend_write_core_note,
777 elf_backend_lookup_section_flags_hook,
778 elf_backend_reloc_type_class,
779 elf_backend_discard_info,
780 elf_backend_ignore_discarded_relocs,
781 elf_backend_action_discarded,
782 elf_backend_eh_frame_address_size,
783 elf_backend_can_make_relative_eh_frame,
784 elf_backend_can_make_lsda_relative_eh_frame,
785 elf_backend_encode_eh_address,
786 elf_backend_write_section,
787 elf_backend_mips_irix_compat,
788 elf_backend_mips_rtype_to_howto,
789 elf_backend_ecoff_debug_swap,
790 elf_backend_bfd_from_remote_memory,
791 elf_backend_plt_sym_val,
792 elf_backend_common_definition,
793 elf_backend_common_section_index,
794 elf_backend_common_section,
795 elf_backend_merge_symbol,
796 elf_backend_hash_symbol,
797 elf_backend_is_function_type,
798 elf_backend_maybe_function_sym,
799 elf_backend_get_reloc_section,
800 elf_backend_copy_special_section_fields,
801 elf_backend_link_order_error_handler,
802 elf_backend_relplt_name,
805 &elf_backend_size_info,
806 elf_backend_special_sections,
807 elf_backend_got_header_size,
808 elf_backend_got_elt_size,
809 elf_backend_obj_attrs_vendor,
810 elf_backend_obj_attrs_section,
811 elf_backend_obj_attrs_arg_type,
812 elf_backend_obj_attrs_section_type,
813 elf_backend_obj_attrs_order,
814 elf_backend_obj_attrs_handle_unknown,
815 elf_backend_compact_eh_encoding,
816 elf_backend_cant_unwind_opcode,
817 elf_backend_static_tls_alignment,
818 elf_backend_stack_align,
819 elf_backend_strtab_flags,
821 elf_backend_type_change_ok,
822 elf_backend_may_use_rel_p,
823 elf_backend_may_use_rela_p,
824 elf_backend_default_use_rela_p,
825 elf_backend_rela_plts_and_copies_p,
826 elf_backend_rela_normal,
827 elf_backend_sign_extend_vma,
828 elf_backend_want_got_plt,
829 elf_backend_plt_readonly,
830 elf_backend_want_plt_sym,
831 elf_backend_plt_not_loaded,
832 elf_backend_plt_alignment,
833 elf_backend_can_gc_sections,
834 elf_backend_can_refcount,
835 elf_backend_want_got_sym,
836 elf_backend_want_dynbss,
837 elf_backend_want_p_paddr_set_to_zero,
838 elf_backend_default_execstack,
839 elf_backend_caches_rawsize,
840 elf_backend_extern_protected_data
843 /* Forward declaration for use when initialising alternative_target field. */
844 #ifdef TARGET_LITTLE_SYM
845 extern const bfd_target TARGET_LITTLE_SYM;
848 #ifdef TARGET_BIG_SYM
849 const bfd_target TARGET_BIG_SYM =
851 /* name: identify kind of target */
854 /* flavour: general indication about file */
855 bfd_target_elf_flavour,
857 /* byteorder: data is big endian */
860 /* header_byteorder: header is also big endian */
863 /* object_flags: mask of all file flags */
864 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
865 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
866 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
868 /* section_flags: mask of all section flags */
869 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
870 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
871 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
873 /* leading_symbol_char: is the first char of a user symbol
874 predictable, and if so what is it */
875 elf_symbol_leading_char,
877 /* ar_pad_char: pad character for filenames within an archive header
878 FIXME: this really has nothing to do with ELF, this is a characteristic
879 of the archiver and/or os and should be independently tunable */
882 /* ar_max_namelen: maximum number of characters in an archive header
883 FIXME: this really has nothing to do with ELF, this is a characteristic
884 of the archiver and should be independently tunable. The System V ABI,
885 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
890 /* Routines to byte-swap various sized integers from the data sections */
891 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
892 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
893 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
895 /* Routines to byte-swap various sized integers from the file headers */
896 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
897 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
898 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
900 /* bfd_check_format: check the format of a file being read */
901 { _bfd_dummy_target, /* unknown format */
902 bfd_elfNN_object_p, /* assembler/linker output (object file) */
903 bfd_elfNN_archive_p, /* an archive */
904 bfd_elfNN_core_file_p /* a core file */
907 /* bfd_set_format: set the format of a file being written */
914 /* bfd_write_contents: write cached information into a file being written */
916 bfd_elfNN_write_object_contents,
917 bfd_elfNN_write_archive_contents,
918 bfd_elfNN_write_corefile_contents,
921 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
922 BFD_JUMP_TABLE_COPY (bfd_elfNN),
923 BFD_JUMP_TABLE_CORE (bfd_elfNN),
924 #ifdef bfd_elfNN_archive_functions
925 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
927 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
929 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
930 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
931 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
932 BFD_JUMP_TABLE_LINK (bfd_elfNN),
933 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
935 /* Alternative endian target. */
936 #ifdef TARGET_LITTLE_SYM
947 #ifdef TARGET_LITTLE_SYM
948 const bfd_target TARGET_LITTLE_SYM =
950 /* name: identify kind of target */
953 /* flavour: general indication about file */
954 bfd_target_elf_flavour,
956 /* byteorder: data is little endian */
959 /* header_byteorder: header is also little endian */
962 /* object_flags: mask of all file flags */
963 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
964 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
965 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
967 /* section_flags: mask of all section flags */
968 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
969 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
970 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
972 /* leading_symbol_char: is the first char of a user symbol
973 predictable, and if so what is it */
974 elf_symbol_leading_char,
976 /* ar_pad_char: pad character for filenames within an archive header
977 FIXME: this really has nothing to do with ELF, this is a characteristic
978 of the archiver and/or os and should be independently tunable */
981 /* ar_max_namelen: maximum number of characters in an archive header
982 FIXME: this really has nothing to do with ELF, this is a characteristic
983 of the archiver and should be independently tunable. The System V ABI,
984 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
989 /* Routines to byte-swap various sized integers from the data sections */
990 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
991 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
992 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
994 /* Routines to byte-swap various sized integers from the file headers */
995 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
996 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
997 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
999 /* bfd_check_format: check the format of a file being read */
1000 { _bfd_dummy_target, /* unknown format */
1001 bfd_elfNN_object_p, /* assembler/linker output (object file) */
1002 bfd_elfNN_archive_p, /* an archive */
1003 bfd_elfNN_core_file_p /* a core file */
1006 /* bfd_set_format: set the format of a file being written */
1009 bfd_elfNN_mkarchive,
1010 bfd_elfNN_mkcorefile
1013 /* bfd_write_contents: write cached information into a file being written */
1015 bfd_elfNN_write_object_contents,
1016 bfd_elfNN_write_archive_contents,
1017 bfd_elfNN_write_corefile_contents,
1020 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1021 BFD_JUMP_TABLE_COPY (bfd_elfNN),
1022 BFD_JUMP_TABLE_CORE (bfd_elfNN),
1023 #ifdef bfd_elfNN_archive_functions
1024 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1026 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1028 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1029 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1030 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1031 BFD_JUMP_TABLE_LINK (bfd_elfNN),
1032 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1034 /* Alternative endian target. */
1035 #ifdef TARGET_BIG_SYM