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_archive_p
291 #define bfd_elfNN_archive_p bfd_generic_archive_p
294 #ifndef bfd_elfNN_write_archive_contents
295 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
298 #ifndef bfd_elfNN_mkobject
299 #define bfd_elfNN_mkobject bfd_elf_make_object
302 #ifndef bfd_elfNN_mkcorefile
303 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
306 #ifndef bfd_elfNN_mkarchive
307 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
310 #ifndef bfd_elfNN_print_symbol
311 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
314 #ifndef elf_symbol_leading_char
315 #define elf_symbol_leading_char 0
318 #ifndef elf_info_to_howto
319 #define elf_info_to_howto 0
322 #ifndef elf_info_to_howto_rel
323 #define elf_info_to_howto_rel 0
326 #ifndef elf_backend_arch_data
327 #define elf_backend_arch_data NULL
330 #ifndef ELF_TARGET_ID
331 #define ELF_TARGET_ID GENERIC_ELF_DATA
335 #define ELF_OSABI ELFOSABI_NONE
338 #ifndef ELF_MAXPAGESIZE
339 # error ELF_MAXPAGESIZE is not defined
340 #define ELF_MAXPAGESIZE 1
343 #ifndef ELF_COMMONPAGESIZE
344 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
347 #ifndef ELF_MINPAGESIZE
348 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
351 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
352 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
354 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
355 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
358 #ifndef ELF_DYNAMIC_SEC_FLAGS
359 /* Note that we set the SEC_IN_MEMORY flag for these sections. */
360 #define ELF_DYNAMIC_SEC_FLAGS \
361 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \
362 | SEC_IN_MEMORY | SEC_LINKER_CREATED)
365 #ifndef elf_backend_collect
366 #define elf_backend_collect FALSE
368 #ifndef elf_backend_type_change_ok
369 #define elf_backend_type_change_ok FALSE
372 #ifndef elf_backend_sym_is_global
373 #define elf_backend_sym_is_global 0
375 #ifndef elf_backend_object_p
376 #define elf_backend_object_p 0
378 #ifndef elf_backend_symbol_processing
379 #define elf_backend_symbol_processing 0
381 #ifndef elf_backend_symbol_table_processing
382 #define elf_backend_symbol_table_processing 0
384 #ifndef elf_backend_get_symbol_type
385 #define elf_backend_get_symbol_type 0
387 #ifndef elf_backend_archive_symbol_lookup
388 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
390 #ifndef elf_backend_name_local_section_symbols
391 #define elf_backend_name_local_section_symbols 0
393 #ifndef elf_backend_section_processing
394 #define elf_backend_section_processing 0
396 #ifndef elf_backend_section_from_shdr
397 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr
399 #ifndef elf_backend_section_flags
400 #define elf_backend_section_flags 0
402 #ifndef elf_backend_get_sec_type_attr
403 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr
405 #ifndef elf_backend_section_from_phdr
406 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr
408 #ifndef elf_backend_fake_sections
409 #define elf_backend_fake_sections 0
411 #ifndef elf_backend_section_from_bfd_section
412 #define elf_backend_section_from_bfd_section 0
414 #ifndef elf_backend_add_symbol_hook
415 #define elf_backend_add_symbol_hook 0
417 #ifndef elf_backend_link_output_symbol_hook
418 #define elf_backend_link_output_symbol_hook 0
420 #ifndef elf_backend_create_dynamic_sections
421 #define elf_backend_create_dynamic_sections 0
423 #ifndef elf_backend_omit_section_dynsym
424 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
426 #ifndef elf_backend_relocs_compatible
427 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
429 #ifndef elf_backend_check_relocs
430 #define elf_backend_check_relocs 0
432 #ifndef elf_backend_check_directives
433 #define elf_backend_check_directives 0
435 #ifndef elf_backend_notice_as_needed
436 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed
438 #ifndef elf_backend_adjust_dynamic_symbol
439 #define elf_backend_adjust_dynamic_symbol 0
441 #ifndef elf_backend_always_size_sections
442 #define elf_backend_always_size_sections 0
444 #ifndef elf_backend_size_dynamic_sections
445 #define elf_backend_size_dynamic_sections 0
447 #ifndef elf_backend_init_index_section
448 #define elf_backend_init_index_section \
449 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
451 #ifndef elf_backend_relocate_section
452 #define elf_backend_relocate_section 0
454 #ifndef elf_backend_finish_dynamic_symbol
455 #define elf_backend_finish_dynamic_symbol 0
457 #ifndef elf_backend_finish_dynamic_sections
458 #define elf_backend_finish_dynamic_sections 0
460 #ifndef elf_backend_begin_write_processing
461 #define elf_backend_begin_write_processing 0
463 #ifndef elf_backend_final_write_processing
464 #define elf_backend_final_write_processing 0
466 #ifndef elf_backend_additional_program_headers
467 #define elf_backend_additional_program_headers 0
469 #ifndef elf_backend_modify_segment_map
470 #define elf_backend_modify_segment_map 0
472 #ifndef elf_backend_modify_program_headers
473 #define elf_backend_modify_program_headers 0
475 #ifndef elf_backend_ecoff_debug_swap
476 #define elf_backend_ecoff_debug_swap 0
478 #ifndef elf_backend_bfd_from_remote_memory
479 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
481 #ifndef elf_backend_got_header_size
482 #define elf_backend_got_header_size 0
484 #ifndef elf_backend_got_elt_size
485 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
487 #ifndef elf_backend_obj_attrs_vendor
488 #define elf_backend_obj_attrs_vendor NULL
490 #ifndef elf_backend_obj_attrs_section
491 #define elf_backend_obj_attrs_section NULL
493 #ifndef elf_backend_obj_attrs_arg_type
494 #define elf_backend_obj_attrs_arg_type NULL
496 #ifndef elf_backend_obj_attrs_section_type
497 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES
499 #ifndef elf_backend_obj_attrs_order
500 #define elf_backend_obj_attrs_order NULL
502 #ifndef elf_backend_obj_attrs_handle_unknown
503 #define elf_backend_obj_attrs_handle_unknown NULL
505 #ifndef elf_backend_static_tls_alignment
506 #define elf_backend_static_tls_alignment 1
508 #ifndef elf_backend_post_process_headers
509 #define elf_backend_post_process_headers _bfd_elf_post_process_headers
511 #ifndef elf_backend_print_symbol_all
512 #define elf_backend_print_symbol_all NULL
514 #ifndef elf_backend_output_arch_local_syms
515 #define elf_backend_output_arch_local_syms NULL
517 #ifndef elf_backend_output_arch_syms
518 #define elf_backend_output_arch_syms NULL
520 #ifndef elf_backend_copy_indirect_symbol
521 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect
523 #ifndef elf_backend_hide_symbol
524 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
526 #ifndef elf_backend_fixup_symbol
527 #define elf_backend_fixup_symbol NULL
529 #ifndef elf_backend_merge_symbol_attribute
530 #define elf_backend_merge_symbol_attribute NULL
532 #ifndef elf_backend_get_target_dtag
533 #define elf_backend_get_target_dtag NULL
535 #ifndef elf_backend_ignore_undef_symbol
536 #define elf_backend_ignore_undef_symbol NULL
538 #ifndef elf_backend_emit_relocs
539 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs
541 #ifndef elf_backend_count_relocs
542 #define elf_backend_count_relocs NULL
544 #ifndef elf_backend_count_additional_relocs
545 #define elf_backend_count_additional_relocs NULL
547 #ifndef elf_backend_sort_relocs_p
548 #define elf_backend_sort_relocs_p NULL
550 #ifndef elf_backend_grok_prstatus
551 #define elf_backend_grok_prstatus NULL
553 #ifndef elf_backend_grok_psinfo
554 #define elf_backend_grok_psinfo NULL
556 #ifndef elf_backend_write_core_note
557 #define elf_backend_write_core_note NULL
559 #ifndef elf_backend_lookup_section_flags_hook
560 #define elf_backend_lookup_section_flags_hook NULL
562 #ifndef elf_backend_reloc_type_class
563 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
565 #ifndef elf_backend_discard_info
566 #define elf_backend_discard_info NULL
568 #ifndef elf_backend_ignore_discarded_relocs
569 #define elf_backend_ignore_discarded_relocs NULL
571 #ifndef elf_backend_action_discarded
572 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
574 #ifndef elf_backend_eh_frame_address_size
575 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
577 #ifndef elf_backend_can_make_relative_eh_frame
578 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative
580 #ifndef elf_backend_can_make_lsda_relative_eh_frame
581 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative
583 #ifndef elf_backend_encode_eh_address
584 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address
586 #ifndef elf_backend_write_section
587 #define elf_backend_write_section NULL
589 #ifndef elf_backend_mips_irix_compat
590 #define elf_backend_mips_irix_compat NULL
592 #ifndef elf_backend_mips_rtype_to_howto
593 #define elf_backend_mips_rtype_to_howto NULL
596 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
597 sections, but not both. They defined USE_REL to indicate SHT_REL
598 sections, and left it undefined to indicated SHT_RELA sections.
599 For backwards compatibility, we still support this usage. */
604 /* Use these in new code. */
605 #ifndef elf_backend_may_use_rel_p
606 #define elf_backend_may_use_rel_p USE_REL
608 #ifndef elf_backend_may_use_rela_p
609 #define elf_backend_may_use_rela_p !USE_REL
611 #ifndef elf_backend_default_use_rela_p
612 #define elf_backend_default_use_rela_p !USE_REL
614 #ifndef elf_backend_rela_plts_and_copies_p
615 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
618 #ifndef elf_backend_rela_normal
619 #define elf_backend_rela_normal 0
622 #ifndef elf_backend_plt_sym_val
623 #define elf_backend_plt_sym_val NULL
625 #ifndef elf_backend_relplt_name
626 #define elf_backend_relplt_name NULL
629 #ifndef ELF_MACHINE_ALT1
630 #define ELF_MACHINE_ALT1 0
633 #ifndef ELF_MACHINE_ALT2
634 #define ELF_MACHINE_ALT2 0
637 #ifndef elf_backend_size_info
638 #define elf_backend_size_info _bfd_elfNN_size_info
641 #ifndef elf_backend_special_sections
642 #define elf_backend_special_sections NULL
645 #ifndef elf_backend_sign_extend_vma
646 #define elf_backend_sign_extend_vma 0
649 #ifndef elf_backend_link_order_error_handler
650 #define elf_backend_link_order_error_handler _bfd_default_error_handler
653 #ifndef elf_backend_common_definition
654 #define elf_backend_common_definition _bfd_elf_common_definition
657 #ifndef elf_backend_common_section_index
658 #define elf_backend_common_section_index _bfd_elf_common_section_index
661 #ifndef elf_backend_common_section
662 #define elf_backend_common_section _bfd_elf_common_section
665 #ifndef elf_backend_merge_symbol
666 #define elf_backend_merge_symbol NULL
669 #ifndef elf_backend_hash_symbol
670 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
673 #ifndef elf_backend_is_function_type
674 #define elf_backend_is_function_type _bfd_elf_is_function_type
677 #ifndef elf_backend_maybe_function_sym
678 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
681 #ifndef elf_backend_get_reloc_section
682 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
685 #ifndef elf_backend_set_special_section_info_and_link
686 #define elf_backend_set_special_section_info_and_link NULL
689 #ifndef elf_backend_compact_eh_encoding
690 #define elf_backend_compact_eh_encoding NULL
693 #ifndef elf_backend_cant_unwind_opcode
694 #define elf_backend_cant_unwind_opcode 0
697 #ifndef elf_match_priority
698 #define elf_match_priority \
699 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
702 extern const struct elf_size_info _bfd_elfNN_size_info;
704 static struct elf_backend_data elfNN_bed =
707 ELF_TARGET_ID, /* target_id */
708 ELF_MACHINE_CODE, /* elf_machine_code */
709 ELF_OSABI, /* elf_osabi */
710 ELF_MAXPAGESIZE, /* maxpagesize */
711 ELF_MINPAGESIZE, /* minpagesize */
712 ELF_COMMONPAGESIZE, /* commonpagesize */
713 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */
714 elf_backend_arch_data,
716 elf_info_to_howto_rel,
717 elf_backend_sym_is_global,
718 elf_backend_object_p,
719 elf_backend_symbol_processing,
720 elf_backend_symbol_table_processing,
721 elf_backend_get_symbol_type,
722 elf_backend_archive_symbol_lookup,
723 elf_backend_name_local_section_symbols,
724 elf_backend_section_processing,
725 elf_backend_section_from_shdr,
726 elf_backend_section_flags,
727 elf_backend_get_sec_type_attr,
728 elf_backend_section_from_phdr,
729 elf_backend_fake_sections,
730 elf_backend_section_from_bfd_section,
731 elf_backend_add_symbol_hook,
732 elf_backend_link_output_symbol_hook,
733 elf_backend_create_dynamic_sections,
734 elf_backend_omit_section_dynsym,
735 elf_backend_relocs_compatible,
736 elf_backend_check_relocs,
737 elf_backend_check_directives,
738 elf_backend_notice_as_needed,
739 elf_backend_adjust_dynamic_symbol,
740 elf_backend_always_size_sections,
741 elf_backend_size_dynamic_sections,
742 elf_backend_init_index_section,
743 elf_backend_relocate_section,
744 elf_backend_finish_dynamic_symbol,
745 elf_backend_finish_dynamic_sections,
746 elf_backend_begin_write_processing,
747 elf_backend_final_write_processing,
748 elf_backend_additional_program_headers,
749 elf_backend_modify_segment_map,
750 elf_backend_modify_program_headers,
752 elf_backend_gc_mark_dynamic_ref,
753 elf_backend_gc_mark_hook,
754 elf_backend_gc_mark_extra_sections,
755 elf_backend_gc_sweep_hook,
756 elf_backend_post_process_headers,
757 elf_backend_print_symbol_all,
758 elf_backend_output_arch_local_syms,
759 elf_backend_output_arch_syms,
760 elf_backend_copy_indirect_symbol,
761 elf_backend_hide_symbol,
762 elf_backend_fixup_symbol,
763 elf_backend_merge_symbol_attribute,
764 elf_backend_get_target_dtag,
765 elf_backend_ignore_undef_symbol,
766 elf_backend_emit_relocs,
767 elf_backend_count_relocs,
768 elf_backend_count_additional_relocs,
769 elf_backend_sort_relocs_p,
770 elf_backend_grok_prstatus,
771 elf_backend_grok_psinfo,
772 elf_backend_write_core_note,
773 elf_backend_lookup_section_flags_hook,
774 elf_backend_reloc_type_class,
775 elf_backend_discard_info,
776 elf_backend_ignore_discarded_relocs,
777 elf_backend_action_discarded,
778 elf_backend_eh_frame_address_size,
779 elf_backend_can_make_relative_eh_frame,
780 elf_backend_can_make_lsda_relative_eh_frame,
781 elf_backend_encode_eh_address,
782 elf_backend_write_section,
783 elf_backend_mips_irix_compat,
784 elf_backend_mips_rtype_to_howto,
785 elf_backend_ecoff_debug_swap,
786 elf_backend_bfd_from_remote_memory,
787 elf_backend_plt_sym_val,
788 elf_backend_common_definition,
789 elf_backend_common_section_index,
790 elf_backend_common_section,
791 elf_backend_merge_symbol,
792 elf_backend_hash_symbol,
793 elf_backend_is_function_type,
794 elf_backend_maybe_function_sym,
795 elf_backend_get_reloc_section,
796 elf_backend_set_special_section_info_and_link,
797 elf_backend_link_order_error_handler,
798 elf_backend_relplt_name,
801 &elf_backend_size_info,
802 elf_backend_special_sections,
803 elf_backend_got_header_size,
804 elf_backend_got_elt_size,
805 elf_backend_obj_attrs_vendor,
806 elf_backend_obj_attrs_section,
807 elf_backend_obj_attrs_arg_type,
808 elf_backend_obj_attrs_section_type,
809 elf_backend_obj_attrs_order,
810 elf_backend_obj_attrs_handle_unknown,
811 elf_backend_compact_eh_encoding,
812 elf_backend_cant_unwind_opcode,
813 elf_backend_static_tls_alignment,
814 elf_backend_stack_align,
815 elf_backend_strtab_flags,
817 elf_backend_type_change_ok,
818 elf_backend_may_use_rel_p,
819 elf_backend_may_use_rela_p,
820 elf_backend_default_use_rela_p,
821 elf_backend_rela_plts_and_copies_p,
822 elf_backend_rela_normal,
823 elf_backend_sign_extend_vma,
824 elf_backend_want_got_plt,
825 elf_backend_plt_readonly,
826 elf_backend_want_plt_sym,
827 elf_backend_plt_not_loaded,
828 elf_backend_plt_alignment,
829 elf_backend_can_gc_sections,
830 elf_backend_can_refcount,
831 elf_backend_want_got_sym,
832 elf_backend_want_dynbss,
833 elf_backend_want_p_paddr_set_to_zero,
834 elf_backend_default_execstack,
835 elf_backend_caches_rawsize,
836 elf_backend_extern_protected_data
839 /* Forward declaration for use when initialising alternative_target field. */
840 #ifdef TARGET_LITTLE_SYM
841 extern const bfd_target TARGET_LITTLE_SYM;
844 #ifdef TARGET_BIG_SYM
845 const bfd_target TARGET_BIG_SYM =
847 /* name: identify kind of target */
850 /* flavour: general indication about file */
851 bfd_target_elf_flavour,
853 /* byteorder: data is big endian */
856 /* header_byteorder: header is also big endian */
859 /* object_flags: mask of all file flags */
860 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
861 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
862 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
864 /* section_flags: mask of all section flags */
865 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
866 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
867 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
869 /* leading_symbol_char: is the first char of a user symbol
870 predictable, and if so what is it */
871 elf_symbol_leading_char,
873 /* ar_pad_char: pad character for filenames within an archive header
874 FIXME: this really has nothing to do with ELF, this is a characteristic
875 of the archiver and/or os and should be independently tunable */
878 /* ar_max_namelen: maximum number of characters in an archive header
879 FIXME: this really has nothing to do with ELF, this is a characteristic
880 of the archiver and should be independently tunable. The System V ABI,
881 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
886 /* Routines to byte-swap various sized integers from the data sections */
887 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
888 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
889 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
891 /* Routines to byte-swap various sized integers from the file headers */
892 bfd_getb64, bfd_getb_signed_64, bfd_putb64,
893 bfd_getb32, bfd_getb_signed_32, bfd_putb32,
894 bfd_getb16, bfd_getb_signed_16, bfd_putb16,
896 /* bfd_check_format: check the format of a file being read */
897 { _bfd_dummy_target, /* unknown format */
898 bfd_elfNN_object_p, /* assembler/linker output (object file) */
899 bfd_elfNN_archive_p, /* an archive */
900 bfd_elfNN_core_file_p /* a core file */
903 /* bfd_set_format: set the format of a file being written */
910 /* bfd_write_contents: write cached information into a file being written */
912 bfd_elfNN_write_object_contents,
913 bfd_elfNN_write_archive_contents,
914 bfd_elfNN_write_corefile_contents,
917 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
918 BFD_JUMP_TABLE_COPY (bfd_elfNN),
919 BFD_JUMP_TABLE_CORE (bfd_elfNN),
920 #ifdef bfd_elfNN_archive_functions
921 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
923 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
925 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
926 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
927 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
928 BFD_JUMP_TABLE_LINK (bfd_elfNN),
929 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
931 /* Alternative endian target. */
932 #ifdef TARGET_LITTLE_SYM
943 #ifdef TARGET_LITTLE_SYM
944 const bfd_target TARGET_LITTLE_SYM =
946 /* name: identify kind of target */
949 /* flavour: general indication about file */
950 bfd_target_elf_flavour,
952 /* byteorder: data is little endian */
955 /* header_byteorder: header is also little endian */
958 /* object_flags: mask of all file flags */
959 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
960 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
961 | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
963 /* section_flags: mask of all section flags */
964 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
965 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
966 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
968 /* leading_symbol_char: is the first char of a user symbol
969 predictable, and if so what is it */
970 elf_symbol_leading_char,
972 /* ar_pad_char: pad character for filenames within an archive header
973 FIXME: this really has nothing to do with ELF, this is a characteristic
974 of the archiver and/or os and should be independently tunable */
977 /* ar_max_namelen: maximum number of characters in an archive header
978 FIXME: this really has nothing to do with ELF, this is a characteristic
979 of the archiver and should be independently tunable. The System V ABI,
980 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */
985 /* Routines to byte-swap various sized integers from the data sections */
986 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
987 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
988 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
990 /* Routines to byte-swap various sized integers from the file headers */
991 bfd_getl64, bfd_getl_signed_64, bfd_putl64,
992 bfd_getl32, bfd_getl_signed_32, bfd_putl32,
993 bfd_getl16, bfd_getl_signed_16, bfd_putl16,
995 /* bfd_check_format: check the format of a file being read */
996 { _bfd_dummy_target, /* unknown format */
997 bfd_elfNN_object_p, /* assembler/linker output (object file) */
998 bfd_elfNN_archive_p, /* an archive */
999 bfd_elfNN_core_file_p /* a core file */
1002 /* bfd_set_format: set the format of a file being written */
1005 bfd_elfNN_mkarchive,
1006 bfd_elfNN_mkcorefile
1009 /* bfd_write_contents: write cached information into a file being written */
1011 bfd_elfNN_write_object_contents,
1012 bfd_elfNN_write_archive_contents,
1013 bfd_elfNN_write_corefile_contents,
1016 BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1017 BFD_JUMP_TABLE_COPY (bfd_elfNN),
1018 BFD_JUMP_TABLE_CORE (bfd_elfNN),
1019 #ifdef bfd_elfNN_archive_functions
1020 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1022 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1024 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1025 BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1026 BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1027 BFD_JUMP_TABLE_LINK (bfd_elfNN),
1028 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1030 /* Alternative endian target. */
1031 #ifdef TARGET_BIG_SYM