bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright (C) 1993-2016 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   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.
  10
  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.
  15
  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.  */
  20
  21
  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.
  26
  27    There are two such structures here:  one for big-endian machines and
  28    one for little-endian machines.   */
  29
  30 #ifndef bfd_elfNN_close_and_cleanup
  31 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  32 #endif
  33 #ifndef bfd_elfNN_bfd_free_cached_info
  34 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
  35 #endif
  36 #ifndef bfd_elfNN_get_section_contents
  37 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  38 #endif
  39
  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
  45 #endif
  46 #ifndef bfd_elfNN_canonicalize_reloc
  47 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  48 #endif
  49 #ifndef bfd_elfNN_find_nearest_line
  50 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  51 #endif
  52 #ifndef bfd_elfNN_find_line
  53 #define bfd_elfNN_find_line             _bfd_elf_find_line
  54 #endif
  55 #ifndef bfd_elfNN_find_inliner_info
  56 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  57 #endif
  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
  65 #endif
  66 #ifndef bfd_elfNN_get_symbol_info
  67 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  68 #endif
  69 #ifndef bfd_elfNN_get_symbol_version_string
  70 #define bfd_elfNN_get_symbol_version_string \
  71   _bfd_elf_get_symbol_version_string
  72 #endif
  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
  78 #endif
  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
  82 #endif
  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
  86
  87 #define bfd_elfNN_get_section_contents_in_window \
  88   _bfd_generic_get_section_contents_in_window
  89
  90 #ifndef elf_backend_can_refcount
  91 #define elf_backend_can_refcount 0
  92 #endif
  93 #ifndef elf_backend_want_got_plt
  94 #define elf_backend_want_got_plt 0
  95 #endif
  96 #ifndef elf_backend_plt_readonly
  97 #define elf_backend_plt_readonly 0
  98 #endif
  99 #ifndef elf_backend_want_plt_sym
 100 #define elf_backend_want_plt_sym 0
 101 #endif
 102 #ifndef elf_backend_plt_not_loaded
 103 #define elf_backend_plt_not_loaded 0
 104 #endif
 105 #ifndef elf_backend_plt_alignment
 106 #define elf_backend_plt_alignment 2
 107 #endif
 108 #ifndef elf_backend_want_dynbss
 109 #define elf_backend_want_dynbss 1
 110 #endif
 111 #ifndef elf_backend_want_p_paddr_set_to_zero
 112 #define elf_backend_want_p_paddr_set_to_zero 0
 113 #endif
 114 #ifndef elf_backend_default_execstack
 115 #define elf_backend_default_execstack 1
 116 #endif
 117 #ifndef elf_backend_caches_rawsize
 118 #define elf_backend_caches_rawsize 0
 119 #endif
 120 #ifndef elf_backend_extern_protected_data
 121 #define elf_backend_extern_protected_data 0
 122 #endif
 123 #ifndef elf_backend_stack_align
 124 #define elf_backend_stack_align 16
 125 #endif
 126
 127 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 128 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 129 #define bfd_elfNN_bfd_debug_info_accumulate \
 130   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 131
 132 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 133 #define bfd_elfNN_bfd_get_relocated_section_contents \
 134   bfd_generic_get_relocated_section_contents
 135 #endif
 136
 137 #ifndef bfd_elfNN_bfd_relax_section
 138 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 139 #endif
 140
 141 #ifndef elf_backend_can_gc_sections
 142 #define elf_backend_can_gc_sections 0
 143 #endif
 144 #ifndef elf_backend_can_refcount
 145 #define elf_backend_can_refcount 0
 146 #endif
 147 #ifndef elf_backend_want_got_sym
 148 #define elf_backend_want_got_sym 1
 149 #endif
 150 #ifndef elf_backend_gc_keep
 151 #define elf_backend_gc_keep             _bfd_elf_gc_keep
 152 #endif
 153 #ifndef elf_backend_gc_mark_dynamic_ref
 154 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 155 #endif
 156 #ifndef elf_backend_gc_mark_hook
 157 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 158 #endif
 159 #ifndef elf_backend_gc_mark_extra_sections
 160 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
 161 #endif
 162 #ifndef elf_backend_gc_sweep_hook
 163 #define elf_backend_gc_sweep_hook       NULL
 164 #endif
 165 #ifndef bfd_elfNN_bfd_gc_sections
 166 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 167 #endif
 168
 169 #ifndef bfd_elfNN_bfd_merge_sections
 170 #define bfd_elfNN_bfd_merge_sections \
 171   _bfd_elf_merge_sections
 172 #endif
 173
 174 #ifndef bfd_elfNN_bfd_is_group_section
 175 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 176 #endif
 177
 178 #ifndef bfd_elfNN_bfd_discard_group
 179 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 180 #endif
 181
 182 #ifndef bfd_elfNN_section_already_linked
 183 #define bfd_elfNN_section_already_linked \
 184   _bfd_elf_section_already_linked
 185 #endif
 186
 187 #ifndef bfd_elfNN_bfd_define_common_symbol
 188 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
 189 #endif
 190
 191 #ifndef bfd_elfNN_bfd_lookup_section_flags
 192 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
 193 #endif
 194
 195 #ifndef bfd_elfNN_bfd_make_debug_symbol
 196 #define bfd_elfNN_bfd_make_debug_symbol \
 197   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 198 #endif
 199
 200 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 201 #define bfd_elfNN_bfd_copy_private_symbol_data \
 202   _bfd_elf_copy_private_symbol_data
 203 #endif
 204
 205 #ifndef bfd_elfNN_bfd_copy_private_section_data
 206 #define bfd_elfNN_bfd_copy_private_section_data \
 207   _bfd_elf_copy_private_section_data
 208 #endif
 209 #ifndef bfd_elfNN_bfd_copy_private_header_data
 210 #define bfd_elfNN_bfd_copy_private_header_data \
 211   _bfd_elf_copy_private_header_data
 212 #endif
 213 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 214 #define bfd_elfNN_bfd_copy_private_bfd_data \
 215   _bfd_elf_copy_private_bfd_data
 216 #endif
 217 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 218 #define bfd_elfNN_bfd_print_private_bfd_data \
 219   _bfd_elf_print_private_bfd_data
 220 #endif
 221 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 222 #define bfd_elfNN_bfd_merge_private_bfd_data \
 223   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 224 #endif
 225 #ifndef bfd_elfNN_bfd_set_private_flags
 226 #define bfd_elfNN_bfd_set_private_flags \
 227   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 228 #endif
 229 #ifndef bfd_elfNN_bfd_is_local_label_name
 230 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 231 #endif
 232 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 233 #define bfd_elfNN_bfd_is_target_special_symbol \
 234   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 235 #endif
 236
 237 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 238 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 239   _bfd_elf_get_dynamic_reloc_upper_bound
 240 #endif
 241 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 242 #define bfd_elfNN_canonicalize_dynamic_reloc \
 243   _bfd_elf_canonicalize_dynamic_reloc
 244 #endif
 245
 246 #ifdef elf_backend_relocate_section
 247 #ifndef bfd_elfNN_bfd_link_hash_table_create
 248 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 249 #endif
 250 #ifndef bfd_elfNN_bfd_link_add_symbols
 251 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 252 #endif
 253 #ifndef bfd_elfNN_bfd_final_link
 254 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 255 #endif
 256 #else /* ! defined (elf_backend_relocate_section) */
 257 /* If no backend relocate_section routine, use the generic linker.
 258    Note - this will prevent the port from being able to use some of
 259    the other features of the ELF linker, because the generic hash structure
 260    does not have the fields needed by the ELF linker.  In particular it
 261    means that linking directly to S-records will not work.  */
 262 #ifndef bfd_elfNN_bfd_link_hash_table_create
 263 #define bfd_elfNN_bfd_link_hash_table_create \
 264   _bfd_generic_link_hash_table_create
 265 #endif
 266 #ifndef bfd_elfNN_bfd_link_add_symbols
 267 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 268 #endif
 269 #ifndef bfd_elfNN_bfd_final_link
 270 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 271 #endif
 272 #endif /* ! defined (elf_backend_relocate_section) */
 273
 274 #ifndef bfd_elfNN_bfd_link_just_syms
 275 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 276 #endif
 277
 278 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 279 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 280   _bfd_elf_copy_link_hash_symbol_type
 281 #endif
 282
 283 #ifndef bfd_elfNN_bfd_link_split_section
 284 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 285 #endif
 286
 287 #ifndef bfd_elfNN_archive_p
 288 #define bfd_elfNN_archive_p bfd_generic_archive_p
 289 #endif
 290
 291 #ifndef bfd_elfNN_write_archive_contents
 292 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 293 #endif
 294
 295 #ifndef bfd_elfNN_mkobject
 296 #define bfd_elfNN_mkobject bfd_elf_make_object
 297 #endif
 298
 299 #ifndef bfd_elfNN_mkcorefile
 300 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 301 #endif
 302
 303 #ifndef bfd_elfNN_mkarchive
 304 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 305 #endif
 306
 307 #ifndef bfd_elfNN_print_symbol
 308 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 309 #endif
 310
 311 #ifndef elf_symbol_leading_char
 312 #define elf_symbol_leading_char 0
 313 #endif
 314
 315 #ifndef elf_info_to_howto
 316 #define elf_info_to_howto 0
 317 #endif
 318
 319 #ifndef elf_info_to_howto_rel
 320 #define elf_info_to_howto_rel 0
 321 #endif
 322
 323 #ifndef elf_backend_arch_data
 324 #define elf_backend_arch_data NULL
 325 #endif
 326
 327 #ifndef ELF_TARGET_ID
 328 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 329 #endif
 330
 331 #ifndef ELF_OSABI
 332 #define ELF_OSABI ELFOSABI_NONE
 333 #endif
 334
 335 #ifndef ELF_MAXPAGESIZE
 336 # error ELF_MAXPAGESIZE is not defined
 337 #define ELF_MAXPAGESIZE 1
 338 #endif
 339
 340 #ifndef ELF_COMMONPAGESIZE
 341 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 342 #endif
 343
 344 #ifndef ELF_MINPAGESIZE
 345 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 346 #endif
 347
 348 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 349 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 350 #endif
 351 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 352 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 353 #endif
 354
 355 #ifndef ELF_DYNAMIC_SEC_FLAGS
 356 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 357 #define ELF_DYNAMIC_SEC_FLAGS                   \
 358   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 359    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 360 #endif
 361
 362 #ifndef elf_backend_collect
 363 #define elf_backend_collect FALSE
 364 #endif
 365 #ifndef elf_backend_type_change_ok
 366 #define elf_backend_type_change_ok FALSE
 367 #endif
 368
 369 #ifndef elf_backend_sym_is_global
 370 #define elf_backend_sym_is_global       0
 371 #endif
 372 #ifndef elf_backend_object_p
 373 #define elf_backend_object_p            0
 374 #endif
 375 #ifndef elf_backend_symbol_processing
 376 #define elf_backend_symbol_processing   0
 377 #endif
 378 #ifndef elf_backend_symbol_table_processing
 379 #define elf_backend_symbol_table_processing     0
 380 #endif
 381 #ifndef elf_backend_get_symbol_type
 382 #define elf_backend_get_symbol_type 0
 383 #endif
 384 #ifndef elf_backend_archive_symbol_lookup
 385 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 386 #endif
 387 #ifndef elf_backend_name_local_section_symbols
 388 #define elf_backend_name_local_section_symbols  0
 389 #endif
 390 #ifndef elf_backend_section_processing
 391 #define elf_backend_section_processing  0
 392 #endif
 393 #ifndef elf_backend_section_from_shdr
 394 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 395 #endif
 396 #ifndef elf_backend_section_flags
 397 #define elf_backend_section_flags       0
 398 #endif
 399 #ifndef elf_backend_get_sec_type_attr
 400 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 401 #endif
 402 #ifndef elf_backend_section_from_phdr
 403 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 404 #endif
 405 #ifndef elf_backend_fake_sections
 406 #define elf_backend_fake_sections       0
 407 #endif
 408 #ifndef elf_backend_section_from_bfd_section
 409 #define elf_backend_section_from_bfd_section    0
 410 #endif
 411 #ifndef elf_backend_add_symbol_hook
 412 #define elf_backend_add_symbol_hook     0
 413 #endif
 414 #ifndef elf_backend_link_output_symbol_hook
 415 #define elf_backend_link_output_symbol_hook 0
 416 #endif
 417 #ifndef elf_backend_create_dynamic_sections
 418 #define elf_backend_create_dynamic_sections 0
 419 #endif
 420 #ifndef elf_backend_omit_section_dynsym
 421 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 422 #endif
 423 #ifndef elf_backend_relocs_compatible
 424 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 425 #endif
 426 #ifndef elf_backend_check_relocs
 427 #define elf_backend_check_relocs        0
 428 #endif
 429 #ifndef elf_backend_check_directives
 430 #define elf_backend_check_directives    0
 431 #endif
 432 #ifndef elf_backend_notice_as_needed
 433 #define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
 434 #endif
 435 #ifndef elf_backend_adjust_dynamic_symbol
 436 #define elf_backend_adjust_dynamic_symbol 0
 437 #endif
 438 #ifndef elf_backend_always_size_sections
 439 #define elf_backend_always_size_sections 0
 440 #endif
 441 #ifndef elf_backend_size_dynamic_sections
 442 #define elf_backend_size_dynamic_sections 0
 443 #endif
 444 #ifndef elf_backend_init_index_section
 445 #define elf_backend_init_index_section \
 446  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 447 #endif
 448 #ifndef elf_backend_relocate_section
 449 #define elf_backend_relocate_section    0
 450 #endif
 451 #ifndef elf_backend_finish_dynamic_symbol
 452 #define elf_backend_finish_dynamic_symbol       0
 453 #endif
 454 #ifndef elf_backend_finish_dynamic_sections
 455 #define elf_backend_finish_dynamic_sections     0
 456 #endif
 457 #ifndef elf_backend_begin_write_processing
 458 #define elf_backend_begin_write_processing      0
 459 #endif
 460 #ifndef elf_backend_final_write_processing
 461 #define elf_backend_final_write_processing      0
 462 #endif
 463 #ifndef elf_backend_additional_program_headers
 464 #define elf_backend_additional_program_headers  0
 465 #endif
 466 #ifndef elf_backend_modify_segment_map
 467 #define elf_backend_modify_segment_map  0
 468 #endif
 469 #ifndef elf_backend_modify_program_headers
 470 #define elf_backend_modify_program_headers      0
 471 #endif
 472 #ifndef elf_backend_ecoff_debug_swap
 473 #define elf_backend_ecoff_debug_swap    0
 474 #endif
 475 #ifndef elf_backend_bfd_from_remote_memory
 476 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 477 #endif
 478 #ifndef elf_backend_got_header_size
 479 #define elf_backend_got_header_size     0
 480 #endif
 481 #ifndef elf_backend_got_elt_size
 482 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 483 #endif
 484 #ifndef elf_backend_obj_attrs_vendor
 485 #define elf_backend_obj_attrs_vendor            NULL
 486 #endif
 487 #ifndef elf_backend_obj_attrs_section
 488 #define elf_backend_obj_attrs_section           NULL
 489 #endif
 490 #ifndef elf_backend_obj_attrs_arg_type
 491 #define elf_backend_obj_attrs_arg_type          NULL
 492 #endif
 493 #ifndef elf_backend_obj_attrs_section_type
 494 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 495 #endif
 496 #ifndef elf_backend_obj_attrs_order
 497 #define elf_backend_obj_attrs_order             NULL
 498 #endif
 499 #ifndef elf_backend_obj_attrs_handle_unknown
 500 #define elf_backend_obj_attrs_handle_unknown    NULL
 501 #endif
 502 #ifndef elf_backend_static_tls_alignment
 503 #define elf_backend_static_tls_alignment        1
 504 #endif
 505 #ifndef elf_backend_post_process_headers
 506 #define elf_backend_post_process_headers        _bfd_elf_post_process_headers
 507 #endif
 508 #ifndef elf_backend_print_symbol_all
 509 #define elf_backend_print_symbol_all            NULL
 510 #endif
 511 #ifndef elf_backend_output_arch_local_syms
 512 #define elf_backend_output_arch_local_syms      NULL
 513 #endif
 514 #ifndef elf_backend_output_arch_syms
 515 #define elf_backend_output_arch_syms            NULL
 516 #endif
 517 #ifndef elf_backend_copy_indirect_symbol
 518 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 519 #endif
 520 #ifndef elf_backend_hide_symbol
 521 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 522 #endif
 523 #ifndef elf_backend_fixup_symbol
 524 #define elf_backend_fixup_symbol                NULL
 525 #endif
 526 #ifndef elf_backend_merge_symbol_attribute
 527 #define elf_backend_merge_symbol_attribute      NULL
 528 #endif
 529 #ifndef elf_backend_get_target_dtag
 530 #define elf_backend_get_target_dtag             NULL
 531 #endif
 532 #ifndef elf_backend_ignore_undef_symbol
 533 #define elf_backend_ignore_undef_symbol         NULL
 534 #endif
 535 #ifndef elf_backend_emit_relocs
 536 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 537 #endif
 538 #ifndef elf_backend_count_relocs
 539 #define elf_backend_count_relocs                NULL
 540 #endif
 541 #ifndef elf_backend_count_additional_relocs
 542 #define elf_backend_count_additional_relocs     NULL
 543 #endif
 544 #ifndef elf_backend_sort_relocs_p
 545 #define elf_backend_sort_relocs_p               NULL
 546 #endif
 547 #ifndef elf_backend_grok_prstatus
 548 #define elf_backend_grok_prstatus               NULL
 549 #endif
 550 #ifndef elf_backend_grok_psinfo
 551 #define elf_backend_grok_psinfo                 NULL
 552 #endif
 553 #ifndef elf_backend_write_core_note
 554 #define elf_backend_write_core_note             NULL
 555 #endif
 556 #ifndef elf_backend_lookup_section_flags_hook
 557 #define elf_backend_lookup_section_flags_hook   NULL
 558 #endif
 559 #ifndef elf_backend_reloc_type_class
 560 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 561 #endif
 562 #ifndef elf_backend_discard_info
 563 #define elf_backend_discard_info                NULL
 564 #endif
 565 #ifndef elf_backend_ignore_discarded_relocs
 566 #define elf_backend_ignore_discarded_relocs     NULL
 567 #endif
 568 #ifndef elf_backend_action_discarded
 569 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 570 #endif
 571 #ifndef elf_backend_eh_frame_address_size
 572 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 573 #endif
 574 #ifndef elf_backend_can_make_relative_eh_frame
 575 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 576 #endif
 577 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 578 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 579 #endif
 580 #ifndef elf_backend_encode_eh_address
 581 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 582 #endif
 583 #ifndef elf_backend_write_section
 584 #define elf_backend_write_section               NULL
 585 #endif
 586 #ifndef elf_backend_mips_irix_compat
 587 #define elf_backend_mips_irix_compat            NULL
 588 #endif
 589 #ifndef elf_backend_mips_rtype_to_howto
 590 #define elf_backend_mips_rtype_to_howto         NULL
 591 #endif
 592
 593 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 594    sections, but not both.  They defined USE_REL to indicate SHT_REL
 595    sections, and left it undefined to indicated SHT_RELA sections.
 596    For backwards compatibility, we still support this usage.  */
 597 #ifndef USE_REL
 598 #define USE_REL 0
 599 #endif
 600
 601 /* Use these in new code.  */
 602 #ifndef elf_backend_may_use_rel_p
 603 #define elf_backend_may_use_rel_p USE_REL
 604 #endif
 605 #ifndef elf_backend_may_use_rela_p
 606 #define elf_backend_may_use_rela_p !USE_REL
 607 #endif
 608 #ifndef elf_backend_default_use_rela_p
 609 #define elf_backend_default_use_rela_p !USE_REL
 610 #endif
 611 #ifndef elf_backend_rela_plts_and_copies_p
 612 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 613 #endif
 614
 615 #ifndef elf_backend_rela_normal
 616 #define elf_backend_rela_normal 0
 617 #endif
 618
 619 #ifndef elf_backend_plt_sym_val
 620 #define elf_backend_plt_sym_val NULL
 621 #endif
 622 #ifndef elf_backend_relplt_name
 623 #define elf_backend_relplt_name NULL
 624 #endif
 625
 626 #ifndef ELF_MACHINE_ALT1
 627 #define ELF_MACHINE_ALT1 0
 628 #endif
 629
 630 #ifndef ELF_MACHINE_ALT2
 631 #define ELF_MACHINE_ALT2 0
 632 #endif
 633
 634 #ifndef elf_backend_size_info
 635 #define elf_backend_size_info _bfd_elfNN_size_info
 636 #endif
 637
 638 #ifndef elf_backend_special_sections
 639 #define elf_backend_special_sections NULL
 640 #endif
 641
 642 #ifndef elf_backend_sign_extend_vma
 643 #define elf_backend_sign_extend_vma 0
 644 #endif
 645
 646 #ifndef elf_backend_link_order_error_handler
 647 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 648 #endif
 649
 650 #ifndef elf_backend_common_definition
 651 #define elf_backend_common_definition _bfd_elf_common_definition
 652 #endif
 653
 654 #ifndef elf_backend_common_section_index
 655 #define elf_backend_common_section_index _bfd_elf_common_section_index
 656 #endif
 657
 658 #ifndef elf_backend_common_section
 659 #define elf_backend_common_section _bfd_elf_common_section
 660 #endif
 661
 662 #ifndef elf_backend_merge_symbol
 663 #define elf_backend_merge_symbol NULL
 664 #endif
 665
 666 #ifndef elf_backend_hash_symbol
 667 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 668 #endif
 669
 670 #ifndef elf_backend_is_function_type
 671 #define elf_backend_is_function_type _bfd_elf_is_function_type
 672 #endif
 673
 674 #ifndef elf_backend_maybe_function_sym
 675 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 676 #endif
 677
 678 #ifndef elf_backend_get_reloc_section
 679 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
 680 #endif
 681
 682 #ifndef elf_backend_compact_eh_encoding
 683 #define elf_backend_compact_eh_encoding NULL
 684 #endif
 685
 686 #ifndef elf_backend_cant_unwind_opcode
 687 #define elf_backend_cant_unwind_opcode 0
 688 #endif
 689
 690 #ifndef elf_match_priority
 691 #define elf_match_priority \
 692   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 693 #endif
 694
 695 extern const struct elf_size_info _bfd_elfNN_size_info;
 696
 697 static struct elf_backend_data elfNN_bed =
 698 {
 699   ELF_ARCH,                     /* arch */
 700   ELF_TARGET_ID,                /* target_id */
 701   ELF_MACHINE_CODE,             /* elf_machine_code */
 702   ELF_OSABI,                    /* elf_osabi  */
 703   ELF_MAXPAGESIZE,              /* maxpagesize */
 704   ELF_MINPAGESIZE,              /* minpagesize */
 705   ELF_COMMONPAGESIZE,           /* commonpagesize */
 706   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 707   elf_backend_arch_data,
 708   elf_info_to_howto,
 709   elf_info_to_howto_rel,
 710   elf_backend_sym_is_global,
 711   elf_backend_object_p,
 712   elf_backend_symbol_processing,
 713   elf_backend_symbol_table_processing,
 714   elf_backend_get_symbol_type,
 715   elf_backend_archive_symbol_lookup,
 716   elf_backend_name_local_section_symbols,
 717   elf_backend_section_processing,
 718   elf_backend_section_from_shdr,
 719   elf_backend_section_flags,
 720   elf_backend_get_sec_type_attr,
 721   elf_backend_section_from_phdr,
 722   elf_backend_fake_sections,
 723   elf_backend_section_from_bfd_section,
 724   elf_backend_add_symbol_hook,
 725   elf_backend_link_output_symbol_hook,
 726   elf_backend_create_dynamic_sections,
 727   elf_backend_omit_section_dynsym,
 728   elf_backend_relocs_compatible,
 729   elf_backend_check_relocs,
 730   elf_backend_check_directives,
 731   elf_backend_notice_as_needed,
 732   elf_backend_adjust_dynamic_symbol,
 733   elf_backend_always_size_sections,
 734   elf_backend_size_dynamic_sections,
 735   elf_backend_init_index_section,
 736   elf_backend_relocate_section,
 737   elf_backend_finish_dynamic_symbol,
 738   elf_backend_finish_dynamic_sections,
 739   elf_backend_begin_write_processing,
 740   elf_backend_final_write_processing,
 741   elf_backend_additional_program_headers,
 742   elf_backend_modify_segment_map,
 743   elf_backend_modify_program_headers,
 744   elf_backend_gc_keep,
 745   elf_backend_gc_mark_dynamic_ref,
 746   elf_backend_gc_mark_hook,
 747   elf_backend_gc_mark_extra_sections,
 748   elf_backend_gc_sweep_hook,
 749   elf_backend_post_process_headers,
 750   elf_backend_print_symbol_all,
 751   elf_backend_output_arch_local_syms,
 752   elf_backend_output_arch_syms,
 753   elf_backend_copy_indirect_symbol,
 754   elf_backend_hide_symbol,
 755   elf_backend_fixup_symbol,
 756   elf_backend_merge_symbol_attribute,
 757   elf_backend_get_target_dtag,
 758   elf_backend_ignore_undef_symbol,
 759   elf_backend_emit_relocs,
 760   elf_backend_count_relocs,
 761   elf_backend_count_additional_relocs,
 762   elf_backend_sort_relocs_p,
 763   elf_backend_grok_prstatus,
 764   elf_backend_grok_psinfo,
 765   elf_backend_write_core_note,
 766   elf_backend_lookup_section_flags_hook,
 767   elf_backend_reloc_type_class,
 768   elf_backend_discard_info,
 769   elf_backend_ignore_discarded_relocs,
 770   elf_backend_action_discarded,
 771   elf_backend_eh_frame_address_size,
 772   elf_backend_can_make_relative_eh_frame,
 773   elf_backend_can_make_lsda_relative_eh_frame,
 774   elf_backend_encode_eh_address,
 775   elf_backend_write_section,
 776   elf_backend_mips_irix_compat,
 777   elf_backend_mips_rtype_to_howto,
 778   elf_backend_ecoff_debug_swap,
 779   elf_backend_bfd_from_remote_memory,
 780   elf_backend_plt_sym_val,
 781   elf_backend_common_definition,
 782   elf_backend_common_section_index,
 783   elf_backend_common_section,
 784   elf_backend_merge_symbol,
 785   elf_backend_hash_symbol,
 786   elf_backend_is_function_type,
 787   elf_backend_maybe_function_sym,
 788   elf_backend_get_reloc_section,
 789   elf_backend_link_order_error_handler,
 790   elf_backend_relplt_name,
 791   ELF_MACHINE_ALT1,
 792   ELF_MACHINE_ALT2,
 793   &elf_backend_size_info,
 794   elf_backend_special_sections,
 795   elf_backend_got_header_size,
 796   elf_backend_got_elt_size,
 797   elf_backend_obj_attrs_vendor,
 798   elf_backend_obj_attrs_section,
 799   elf_backend_obj_attrs_arg_type,
 800   elf_backend_obj_attrs_section_type,
 801   elf_backend_obj_attrs_order,
 802   elf_backend_obj_attrs_handle_unknown,
 803   elf_backend_compact_eh_encoding,
 804   elf_backend_cant_unwind_opcode,
 805   elf_backend_static_tls_alignment,
 806   elf_backend_stack_align,
 807   elf_backend_collect,
 808   elf_backend_type_change_ok,
 809   elf_backend_may_use_rel_p,
 810   elf_backend_may_use_rela_p,
 811   elf_backend_default_use_rela_p,
 812   elf_backend_rela_plts_and_copies_p,
 813   elf_backend_rela_normal,
 814   elf_backend_sign_extend_vma,
 815   elf_backend_want_got_plt,
 816   elf_backend_plt_readonly,
 817   elf_backend_want_plt_sym,
 818   elf_backend_plt_not_loaded,
 819   elf_backend_plt_alignment,
 820   elf_backend_can_gc_sections,
 821   elf_backend_can_refcount,
 822   elf_backend_want_got_sym,
 823   elf_backend_want_dynbss,
 824   elf_backend_want_p_paddr_set_to_zero,
 825   elf_backend_default_execstack,
 826   elf_backend_caches_rawsize,
 827   elf_backend_extern_protected_data
 828 };
 829
 830 /* Forward declaration for use when initialising alternative_target field.  */
 831 #ifdef TARGET_LITTLE_SYM
 832 extern const bfd_target TARGET_LITTLE_SYM;
 833 #endif
 834
 835 #ifdef TARGET_BIG_SYM
 836 const bfd_target TARGET_BIG_SYM =
 837 {
 838   /* name: identify kind of target */
 839   TARGET_BIG_NAME,
 840
 841   /* flavour: general indication about file */
 842   bfd_target_elf_flavour,
 843
 844   /* byteorder: data is big endian */
 845   BFD_ENDIAN_BIG,
 846
 847   /* header_byteorder: header is also big endian */
 848   BFD_ENDIAN_BIG,
 849
 850   /* object_flags: mask of all file flags */
 851   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 852    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 853    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 854
 855   /* section_flags: mask of all section flags */
 856   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 857    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 858    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 859
 860    /* leading_symbol_char: is the first char of a user symbol
 861       predictable, and if so what is it */
 862   elf_symbol_leading_char,
 863
 864   /* ar_pad_char: pad character for filenames within an archive header
 865      FIXME:  this really has nothing to do with ELF, this is a characteristic
 866      of the archiver and/or os and should be independently tunable */
 867   '/',
 868
 869   /* ar_max_namelen: maximum number of characters in an archive header
 870      FIXME:  this really has nothing to do with ELF, this is a characteristic
 871      of the archiver and should be independently tunable.  The System V ABI,
 872      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 873   15,
 874
 875   elf_match_priority,
 876
 877   /* Routines to byte-swap various sized integers from the data sections */
 878   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 879     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 880     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 881
 882   /* Routines to byte-swap various sized integers from the file headers */
 883   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 884     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 885     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 886
 887   /* bfd_check_format: check the format of a file being read */
 888   { _bfd_dummy_target,          /* unknown format */
 889     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 890     bfd_elfNN_archive_p,        /* an archive */
 891     bfd_elfNN_core_file_p       /* a core file */
 892   },
 893
 894   /* bfd_set_format: set the format of a file being written */
 895   { bfd_false,
 896     bfd_elfNN_mkobject,
 897     bfd_elfNN_mkarchive,
 898     bfd_elfNN_mkcorefile
 899   },
 900
 901   /* bfd_write_contents: write cached information into a file being written */
 902   { bfd_false,
 903     bfd_elfNN_write_object_contents,
 904     bfd_elfNN_write_archive_contents,
 905     bfd_elfNN_write_corefile_contents,
 906   },
 907
 908   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 909   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 910   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 911 #ifdef bfd_elfNN_archive_functions
 912   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 913 #else
 914   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 915 #endif
 916   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 917   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 918   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 919   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 920   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 921
 922   /* Alternative endian target.  */
 923 #ifdef TARGET_LITTLE_SYM
 924   & TARGET_LITTLE_SYM,
 925 #else
 926   NULL,
 927 #endif
 928
 929   /* backend_data: */
 930   &elfNN_bed
 931 };
 932 #endif
 933
 934 #ifdef TARGET_LITTLE_SYM
 935 const bfd_target TARGET_LITTLE_SYM =
 936 {
 937   /* name: identify kind of target */
 938   TARGET_LITTLE_NAME,
 939
 940   /* flavour: general indication about file */
 941   bfd_target_elf_flavour,
 942
 943   /* byteorder: data is little endian */
 944   BFD_ENDIAN_LITTLE,
 945
 946   /* header_byteorder: header is also little endian */
 947   BFD_ENDIAN_LITTLE,
 948
 949   /* object_flags: mask of all file flags */
 950   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 951    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 952    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 953
 954   /* section_flags: mask of all section flags */
 955   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 956    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 957    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 958
 959    /* leading_symbol_char: is the first char of a user symbol
 960       predictable, and if so what is it */
 961   elf_symbol_leading_char,
 962
 963   /* ar_pad_char: pad character for filenames within an archive header
 964      FIXME:  this really has nothing to do with ELF, this is a characteristic
 965      of the archiver and/or os and should be independently tunable */
 966   '/',
 967
 968   /* ar_max_namelen: maximum number of characters in an archive header
 969      FIXME:  this really has nothing to do with ELF, this is a characteristic
 970      of the archiver and should be independently tunable.  The System V ABI,
 971      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 972   15,
 973
 974   elf_match_priority,
 975
 976   /* Routines to byte-swap various sized integers from the data sections */
 977   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 978     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 979     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 980
 981   /* Routines to byte-swap various sized integers from the file headers */
 982   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 983     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 984     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 985
 986   /* bfd_check_format: check the format of a file being read */
 987   { _bfd_dummy_target,          /* unknown format */
 988     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 989     bfd_elfNN_archive_p,        /* an archive */
 990     bfd_elfNN_core_file_p       /* a core file */
 991   },
 992
 993   /* bfd_set_format: set the format of a file being written */
 994   { bfd_false,
 995     bfd_elfNN_mkobject,
 996     bfd_elfNN_mkarchive,
 997     bfd_elfNN_mkcorefile
 998   },
 999
1000   /* bfd_write_contents: write cached information into a file being written */
1001   { bfd_false,
1002     bfd_elfNN_write_object_contents,
1003     bfd_elfNN_write_archive_contents,
1004     bfd_elfNN_write_corefile_contents,
1005   },
1006
1007   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1008   BFD_JUMP_TABLE_COPY (bfd_elfNN),
1009   BFD_JUMP_TABLE_CORE (bfd_elfNN),
1010 #ifdef bfd_elfNN_archive_functions
1011   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1012 #else
1013   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1014 #endif
1015   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1016   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1017   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1018   BFD_JUMP_TABLE_LINK (bfd_elfNN),
1019   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1020
1021   /* Alternative endian target.  */
1022 #ifdef TARGET_BIG_SYM
1023   & TARGET_BIG_SYM,
1024 #else
1025   NULL,
1026 #endif
1027
1028   /* backend_data: */
1029   &elfNN_bed
1030 };
1031 #endif