bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright (C) 1993-2015 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_sort_relocs_p
 542 #define elf_backend_sort_relocs_p               NULL
 543 #endif
 544 #ifndef elf_backend_grok_prstatus
 545 #define elf_backend_grok_prstatus               NULL
 546 #endif
 547 #ifndef elf_backend_grok_psinfo
 548 #define elf_backend_grok_psinfo                 NULL
 549 #endif
 550 #ifndef elf_backend_write_core_note
 551 #define elf_backend_write_core_note             NULL
 552 #endif
 553 #ifndef elf_backend_lookup_section_flags_hook
 554 #define elf_backend_lookup_section_flags_hook   NULL
 555 #endif
 556 #ifndef elf_backend_reloc_type_class
 557 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 558 #endif
 559 #ifndef elf_backend_discard_info
 560 #define elf_backend_discard_info                NULL
 561 #endif
 562 #ifndef elf_backend_ignore_discarded_relocs
 563 #define elf_backend_ignore_discarded_relocs     NULL
 564 #endif
 565 #ifndef elf_backend_action_discarded
 566 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 567 #endif
 568 #ifndef elf_backend_eh_frame_address_size
 569 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 570 #endif
 571 #ifndef elf_backend_can_make_relative_eh_frame
 572 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 573 #endif
 574 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 575 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 576 #endif
 577 #ifndef elf_backend_encode_eh_address
 578 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 579 #endif
 580 #ifndef elf_backend_write_section
 581 #define elf_backend_write_section               NULL
 582 #endif
 583 #ifndef elf_backend_mips_irix_compat
 584 #define elf_backend_mips_irix_compat            NULL
 585 #endif
 586 #ifndef elf_backend_mips_rtype_to_howto
 587 #define elf_backend_mips_rtype_to_howto         NULL
 588 #endif
 589
 590 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 591    sections, but not both.  They defined USE_REL to indicate SHT_REL
 592    sections, and left it undefined to indicated SHT_RELA sections.
 593    For backwards compatibility, we still support this usage.  */
 594 #ifndef USE_REL
 595 #define USE_REL 0
 596 #endif
 597
 598 /* Use these in new code.  */
 599 #ifndef elf_backend_may_use_rel_p
 600 #define elf_backend_may_use_rel_p USE_REL
 601 #endif
 602 #ifndef elf_backend_may_use_rela_p
 603 #define elf_backend_may_use_rela_p !USE_REL
 604 #endif
 605 #ifndef elf_backend_default_use_rela_p
 606 #define elf_backend_default_use_rela_p !USE_REL
 607 #endif
 608 #ifndef elf_backend_rela_plts_and_copies_p
 609 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 610 #endif
 611
 612 #ifndef elf_backend_rela_normal
 613 #define elf_backend_rela_normal 0
 614 #endif
 615
 616 #ifndef elf_backend_plt_sym_val
 617 #define elf_backend_plt_sym_val NULL
 618 #endif
 619 #ifndef elf_backend_relplt_name
 620 #define elf_backend_relplt_name NULL
 621 #endif
 622
 623 #ifndef ELF_MACHINE_ALT1
 624 #define ELF_MACHINE_ALT1 0
 625 #endif
 626
 627 #ifndef ELF_MACHINE_ALT2
 628 #define ELF_MACHINE_ALT2 0
 629 #endif
 630
 631 #ifndef elf_backend_size_info
 632 #define elf_backend_size_info _bfd_elfNN_size_info
 633 #endif
 634
 635 #ifndef elf_backend_special_sections
 636 #define elf_backend_special_sections NULL
 637 #endif
 638
 639 #ifndef elf_backend_sign_extend_vma
 640 #define elf_backend_sign_extend_vma 0
 641 #endif
 642
 643 #ifndef elf_backend_link_order_error_handler
 644 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 645 #endif
 646
 647 #ifndef elf_backend_common_definition
 648 #define elf_backend_common_definition _bfd_elf_common_definition
 649 #endif
 650
 651 #ifndef elf_backend_common_section_index
 652 #define elf_backend_common_section_index _bfd_elf_common_section_index
 653 #endif
 654
 655 #ifndef elf_backend_common_section
 656 #define elf_backend_common_section _bfd_elf_common_section
 657 #endif
 658
 659 #ifndef elf_backend_merge_symbol
 660 #define elf_backend_merge_symbol NULL
 661 #endif
 662
 663 #ifndef elf_backend_hash_symbol
 664 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 665 #endif
 666
 667 #ifndef elf_backend_is_function_type
 668 #define elf_backend_is_function_type _bfd_elf_is_function_type
 669 #endif
 670
 671 #ifndef elf_backend_maybe_function_sym
 672 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 673 #endif
 674
 675 #ifndef elf_backend_get_reloc_section
 676 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
 677 #endif
 678
 679 #ifndef elf_backend_compact_eh_encoding
 680 #define elf_backend_compact_eh_encoding NULL
 681 #endif
 682
 683 #ifndef elf_backend_cant_unwind_opcode
 684 #define elf_backend_cant_unwind_opcode 0
 685 #endif
 686
 687 #ifndef elf_match_priority
 688 #define elf_match_priority \
 689   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 690 #endif
 691
 692 extern const struct elf_size_info _bfd_elfNN_size_info;
 693
 694 static struct elf_backend_data elfNN_bed =
 695 {
 696   ELF_ARCH,                     /* arch */
 697   ELF_TARGET_ID,                /* target_id */
 698   ELF_MACHINE_CODE,             /* elf_machine_code */
 699   ELF_OSABI,                    /* elf_osabi  */
 700   ELF_MAXPAGESIZE,              /* maxpagesize */
 701   ELF_MINPAGESIZE,              /* minpagesize */
 702   ELF_COMMONPAGESIZE,           /* commonpagesize */
 703   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 704   elf_backend_arch_data,
 705   elf_info_to_howto,
 706   elf_info_to_howto_rel,
 707   elf_backend_sym_is_global,
 708   elf_backend_object_p,
 709   elf_backend_symbol_processing,
 710   elf_backend_symbol_table_processing,
 711   elf_backend_get_symbol_type,
 712   elf_backend_archive_symbol_lookup,
 713   elf_backend_name_local_section_symbols,
 714   elf_backend_section_processing,
 715   elf_backend_section_from_shdr,
 716   elf_backend_section_flags,
 717   elf_backend_get_sec_type_attr,
 718   elf_backend_section_from_phdr,
 719   elf_backend_fake_sections,
 720   elf_backend_section_from_bfd_section,
 721   elf_backend_add_symbol_hook,
 722   elf_backend_link_output_symbol_hook,
 723   elf_backend_create_dynamic_sections,
 724   elf_backend_omit_section_dynsym,
 725   elf_backend_relocs_compatible,
 726   elf_backend_check_relocs,
 727   elf_backend_check_directives,
 728   elf_backend_notice_as_needed,
 729   elf_backend_adjust_dynamic_symbol,
 730   elf_backend_always_size_sections,
 731   elf_backend_size_dynamic_sections,
 732   elf_backend_init_index_section,
 733   elf_backend_relocate_section,
 734   elf_backend_finish_dynamic_symbol,
 735   elf_backend_finish_dynamic_sections,
 736   elf_backend_begin_write_processing,
 737   elf_backend_final_write_processing,
 738   elf_backend_additional_program_headers,
 739   elf_backend_modify_segment_map,
 740   elf_backend_modify_program_headers,
 741   elf_backend_gc_keep,
 742   elf_backend_gc_mark_dynamic_ref,
 743   elf_backend_gc_mark_hook,
 744   elf_backend_gc_mark_extra_sections,
 745   elf_backend_gc_sweep_hook,
 746   elf_backend_post_process_headers,
 747   elf_backend_print_symbol_all,
 748   elf_backend_output_arch_local_syms,
 749   elf_backend_output_arch_syms,
 750   elf_backend_copy_indirect_symbol,
 751   elf_backend_hide_symbol,
 752   elf_backend_fixup_symbol,
 753   elf_backend_merge_symbol_attribute,
 754   elf_backend_get_target_dtag,
 755   elf_backend_ignore_undef_symbol,
 756   elf_backend_emit_relocs,
 757   elf_backend_count_relocs,
 758   elf_backend_sort_relocs_p,
 759   elf_backend_grok_prstatus,
 760   elf_backend_grok_psinfo,
 761   elf_backend_write_core_note,
 762   elf_backend_lookup_section_flags_hook,
 763   elf_backend_reloc_type_class,
 764   elf_backend_discard_info,
 765   elf_backend_ignore_discarded_relocs,
 766   elf_backend_action_discarded,
 767   elf_backend_eh_frame_address_size,
 768   elf_backend_can_make_relative_eh_frame,
 769   elf_backend_can_make_lsda_relative_eh_frame,
 770   elf_backend_encode_eh_address,
 771   elf_backend_write_section,
 772   elf_backend_mips_irix_compat,
 773   elf_backend_mips_rtype_to_howto,
 774   elf_backend_ecoff_debug_swap,
 775   elf_backend_bfd_from_remote_memory,
 776   elf_backend_plt_sym_val,
 777   elf_backend_common_definition,
 778   elf_backend_common_section_index,
 779   elf_backend_common_section,
 780   elf_backend_merge_symbol,
 781   elf_backend_hash_symbol,
 782   elf_backend_is_function_type,
 783   elf_backend_maybe_function_sym,
 784   elf_backend_get_reloc_section,
 785   elf_backend_link_order_error_handler,
 786   elf_backend_relplt_name,
 787   ELF_MACHINE_ALT1,
 788   ELF_MACHINE_ALT2,
 789   &elf_backend_size_info,
 790   elf_backend_special_sections,
 791   elf_backend_got_header_size,
 792   elf_backend_got_elt_size,
 793   elf_backend_obj_attrs_vendor,
 794   elf_backend_obj_attrs_section,
 795   elf_backend_obj_attrs_arg_type,
 796   elf_backend_obj_attrs_section_type,
 797   elf_backend_obj_attrs_order,
 798   elf_backend_obj_attrs_handle_unknown,
 799   elf_backend_compact_eh_encoding,
 800   elf_backend_cant_unwind_opcode,
 801   elf_backend_static_tls_alignment,
 802   elf_backend_stack_align,
 803   elf_backend_collect,
 804   elf_backend_type_change_ok,
 805   elf_backend_may_use_rel_p,
 806   elf_backend_may_use_rela_p,
 807   elf_backend_default_use_rela_p,
 808   elf_backend_rela_plts_and_copies_p,
 809   elf_backend_rela_normal,
 810   elf_backend_sign_extend_vma,
 811   elf_backend_want_got_plt,
 812   elf_backend_plt_readonly,
 813   elf_backend_want_plt_sym,
 814   elf_backend_plt_not_loaded,
 815   elf_backend_plt_alignment,
 816   elf_backend_can_gc_sections,
 817   elf_backend_can_refcount,
 818   elf_backend_want_got_sym,
 819   elf_backend_want_dynbss,
 820   elf_backend_want_p_paddr_set_to_zero,
 821   elf_backend_default_execstack,
 822   elf_backend_caches_rawsize,
 823   elf_backend_extern_protected_data
 824 };
 825
 826 /* Forward declaration for use when initialising alternative_target field.  */
 827 #ifdef TARGET_LITTLE_SYM
 828 extern const bfd_target TARGET_LITTLE_SYM;
 829 #endif
 830
 831 #ifdef TARGET_BIG_SYM
 832 const bfd_target TARGET_BIG_SYM =
 833 {
 834   /* name: identify kind of target */
 835   TARGET_BIG_NAME,
 836
 837   /* flavour: general indication about file */
 838   bfd_target_elf_flavour,
 839
 840   /* byteorder: data is big endian */
 841   BFD_ENDIAN_BIG,
 842
 843   /* header_byteorder: header is also big endian */
 844   BFD_ENDIAN_BIG,
 845
 846   /* object_flags: mask of all file flags */
 847   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 848    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 849    | BFD_COMPRESS_GABI),
 850
 851   /* section_flags: mask of all section flags */
 852   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 853    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 854    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 855
 856    /* leading_symbol_char: is the first char of a user symbol
 857       predictable, and if so what is it */
 858   elf_symbol_leading_char,
 859
 860   /* ar_pad_char: pad character for filenames within an archive header
 861      FIXME:  this really has nothing to do with ELF, this is a characteristic
 862      of the archiver and/or os and should be independently tunable */
 863   '/',
 864
 865   /* ar_max_namelen: maximum number of characters in an archive header
 866      FIXME:  this really has nothing to do with ELF, this is a characteristic
 867      of the archiver and should be independently tunable.  The System V ABI,
 868      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 869   15,
 870
 871   elf_match_priority,
 872
 873   /* Routines to byte-swap various sized integers from the data sections */
 874   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 875     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 876     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 877
 878   /* Routines to byte-swap various sized integers from the file headers */
 879   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 880     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 881     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 882
 883   /* bfd_check_format: check the format of a file being read */
 884   { _bfd_dummy_target,          /* unknown format */
 885     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 886     bfd_elfNN_archive_p,        /* an archive */
 887     bfd_elfNN_core_file_p       /* a core file */
 888   },
 889
 890   /* bfd_set_format: set the format of a file being written */
 891   { bfd_false,
 892     bfd_elfNN_mkobject,
 893     bfd_elfNN_mkarchive,
 894     bfd_elfNN_mkcorefile
 895   },
 896
 897   /* bfd_write_contents: write cached information into a file being written */
 898   { bfd_false,
 899     bfd_elfNN_write_object_contents,
 900     bfd_elfNN_write_archive_contents,
 901     bfd_elfNN_write_corefile_contents,
 902   },
 903
 904   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 905   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 906   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 907 #ifdef bfd_elfNN_archive_functions
 908   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 909 #else
 910   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 911 #endif
 912   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 913   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 914   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 915   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 916   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 917
 918   /* Alternative endian target.  */
 919 #ifdef TARGET_LITTLE_SYM
 920   & TARGET_LITTLE_SYM,
 921 #else
 922   NULL,
 923 #endif
 924
 925   /* backend_data: */
 926   &elfNN_bed
 927 };
 928 #endif
 929
 930 #ifdef TARGET_LITTLE_SYM
 931 const bfd_target TARGET_LITTLE_SYM =
 932 {
 933   /* name: identify kind of target */
 934   TARGET_LITTLE_NAME,
 935
 936   /* flavour: general indication about file */
 937   bfd_target_elf_flavour,
 938
 939   /* byteorder: data is little endian */
 940   BFD_ENDIAN_LITTLE,
 941
 942   /* header_byteorder: header is also little endian */
 943   BFD_ENDIAN_LITTLE,
 944
 945   /* object_flags: mask of all file flags */
 946   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 947    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 948    | BFD_COMPRESS_GABI),
 949
 950   /* section_flags: mask of all section flags */
 951   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 952    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 953    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 954
 955    /* leading_symbol_char: is the first char of a user symbol
 956       predictable, and if so what is it */
 957   elf_symbol_leading_char,
 958
 959   /* ar_pad_char: pad character for filenames within an archive header
 960      FIXME:  this really has nothing to do with ELF, this is a characteristic
 961      of the archiver and/or os and should be independently tunable */
 962   '/',
 963
 964   /* ar_max_namelen: maximum number of characters in an archive header
 965      FIXME:  this really has nothing to do with ELF, this is a characteristic
 966      of the archiver and should be independently tunable.  The System V ABI,
 967      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 968   15,
 969
 970   elf_match_priority,
 971
 972   /* Routines to byte-swap various sized integers from the data sections */
 973   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 974     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 975     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 976
 977   /* Routines to byte-swap various sized integers from the file headers */
 978   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 979     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 980     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 981
 982   /* bfd_check_format: check the format of a file being read */
 983   { _bfd_dummy_target,          /* unknown format */
 984     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 985     bfd_elfNN_archive_p,        /* an archive */
 986     bfd_elfNN_core_file_p       /* a core file */
 987   },
 988
 989   /* bfd_set_format: set the format of a file being written */
 990   { bfd_false,
 991     bfd_elfNN_mkobject,
 992     bfd_elfNN_mkarchive,
 993     bfd_elfNN_mkcorefile
 994   },
 995
 996   /* bfd_write_contents: write cached information into a file being written */
 997   { bfd_false,
 998     bfd_elfNN_write_object_contents,
 999     bfd_elfNN_write_archive_contents,
1000     bfd_elfNN_write_corefile_contents,
1001   },
1002
1003   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1004   BFD_JUMP_TABLE_COPY (bfd_elfNN),
1005   BFD_JUMP_TABLE_CORE (bfd_elfNN),
1006 #ifdef bfd_elfNN_archive_functions
1007   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1008 #else
1009   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1010 #endif
1011   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1012   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1013   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1014   BFD_JUMP_TABLE_LINK (bfd_elfNN),
1015   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1016
1017   /* Alternative endian target.  */
1018 #ifdef TARGET_BIG_SYM
1019   & TARGET_BIG_SYM,
1020 #else
1021   NULL,
1022 #endif
1023
1024   /* backend_data: */
1025   &elfNN_bed
1026 };
1027 #endif