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_dynrelro
 112 #define elf_backend_want_dynrelro 0
 113 #endif
 114 #ifndef elf_backend_want_p_paddr_set_to_zero
 115 #define elf_backend_want_p_paddr_set_to_zero 0
 116 #endif
 117 #ifndef elf_backend_default_execstack
 118 #define elf_backend_default_execstack 1
 119 #endif
 120 #ifndef elf_backend_caches_rawsize
 121 #define elf_backend_caches_rawsize 0
 122 #endif
 123 #ifndef elf_backend_extern_protected_data
 124 #define elf_backend_extern_protected_data 0
 125 #endif
 126 #ifndef elf_backend_stack_align
 127 #define elf_backend_stack_align 16
 128 #endif
 129 #ifndef elf_backend_strtab_flags
 130 #define elf_backend_strtab_flags 0
 131 #endif
 132
 133 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 134 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 135 #define bfd_elfNN_bfd_debug_info_accumulate \
 136   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 137
 138 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 139 #define bfd_elfNN_bfd_get_relocated_section_contents \
 140   bfd_generic_get_relocated_section_contents
 141 #endif
 142
 143 #ifndef bfd_elfNN_bfd_relax_section
 144 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 145 #endif
 146
 147 #ifndef elf_backend_can_gc_sections
 148 #define elf_backend_can_gc_sections 0
 149 #endif
 150 #ifndef elf_backend_can_refcount
 151 #define elf_backend_can_refcount 0
 152 #endif
 153 #ifndef elf_backend_want_got_sym
 154 #define elf_backend_want_got_sym 1
 155 #endif
 156 #ifndef elf_backend_gc_keep
 157 #define elf_backend_gc_keep             _bfd_elf_gc_keep
 158 #endif
 159 #ifndef elf_backend_gc_mark_dynamic_ref
 160 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 161 #endif
 162 #ifndef elf_backend_gc_mark_hook
 163 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 164 #endif
 165 #ifndef elf_backend_gc_mark_extra_sections
 166 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
 167 #endif
 168 #ifndef elf_backend_gc_sweep_hook
 169 #define elf_backend_gc_sweep_hook       NULL
 170 #endif
 171 #ifndef bfd_elfNN_bfd_gc_sections
 172 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 173 #endif
 174
 175 #ifndef bfd_elfNN_bfd_merge_sections
 176 #define bfd_elfNN_bfd_merge_sections \
 177   _bfd_elf_merge_sections
 178 #endif
 179
 180 #ifndef bfd_elfNN_bfd_is_group_section
 181 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 182 #endif
 183
 184 #ifndef bfd_elfNN_bfd_discard_group
 185 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 186 #endif
 187
 188 #ifndef bfd_elfNN_section_already_linked
 189 #define bfd_elfNN_section_already_linked \
 190   _bfd_elf_section_already_linked
 191 #endif
 192
 193 #ifndef bfd_elfNN_bfd_define_common_symbol
 194 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
 195 #endif
 196
 197 #ifndef bfd_elfNN_bfd_lookup_section_flags
 198 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
 199 #endif
 200
 201 #ifndef bfd_elfNN_bfd_make_debug_symbol
 202 #define bfd_elfNN_bfd_make_debug_symbol \
 203   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 204 #endif
 205
 206 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 207 #define bfd_elfNN_bfd_copy_private_symbol_data \
 208   _bfd_elf_copy_private_symbol_data
 209 #endif
 210
 211 #ifndef bfd_elfNN_bfd_copy_private_section_data
 212 #define bfd_elfNN_bfd_copy_private_section_data \
 213   _bfd_elf_copy_private_section_data
 214 #endif
 215 #ifndef bfd_elfNN_bfd_copy_private_header_data
 216 #define bfd_elfNN_bfd_copy_private_header_data \
 217   _bfd_elf_copy_private_header_data
 218 #endif
 219 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 220 #define bfd_elfNN_bfd_copy_private_bfd_data \
 221   _bfd_elf_copy_private_bfd_data
 222 #endif
 223 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 224 #define bfd_elfNN_bfd_print_private_bfd_data \
 225   _bfd_elf_print_private_bfd_data
 226 #endif
 227 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 228 #define bfd_elfNN_bfd_merge_private_bfd_data \
 229   ((bfd_boolean (*) (bfd *, struct bfd_link_info *)) bfd_true)
 230 #endif
 231 #ifndef bfd_elfNN_bfd_set_private_flags
 232 #define bfd_elfNN_bfd_set_private_flags \
 233   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 234 #endif
 235 #ifndef bfd_elfNN_bfd_is_local_label_name
 236 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 237 #endif
 238 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 239 #define bfd_elfNN_bfd_is_target_special_symbol \
 240   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 241 #endif
 242
 243 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 244 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 245   _bfd_elf_get_dynamic_reloc_upper_bound
 246 #endif
 247 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 248 #define bfd_elfNN_canonicalize_dynamic_reloc \
 249   _bfd_elf_canonicalize_dynamic_reloc
 250 #endif
 251
 252 #ifdef elf_backend_relocate_section
 253 #ifndef bfd_elfNN_bfd_link_hash_table_create
 254 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 255 #endif
 256 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 257 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 258   _bfd_elf_copy_link_hash_symbol_type
 259 #endif
 260 #ifndef bfd_elfNN_bfd_link_add_symbols
 261 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 262 #endif
 263 #ifndef bfd_elfNN_bfd_final_link
 264 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 265 #endif
 266 #else /* ! defined (elf_backend_relocate_section) */
 267 /* If no backend relocate_section routine, use the generic linker.
 268    Note - this will prevent the port from being able to use some of
 269    the other features of the ELF linker, because the generic hash structure
 270    does not have the fields needed by the ELF linker.  In particular it
 271    means that linking directly to S-records will not work.  */
 272 #ifndef bfd_elfNN_bfd_link_hash_table_create
 273 #define bfd_elfNN_bfd_link_hash_table_create \
 274   _bfd_generic_link_hash_table_create
 275 #endif
 276 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 277 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 278   _bfd_generic_copy_link_hash_symbol_type
 279 #endif
 280 #ifndef bfd_elfNN_bfd_link_add_symbols
 281 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 282 #endif
 283 #ifndef bfd_elfNN_bfd_final_link
 284 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 285 #endif
 286 #endif /* ! defined (elf_backend_relocate_section) */
 287
 288 #ifndef bfd_elfNN_bfd_link_just_syms
 289 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 290 #endif
 291
 292 #ifndef bfd_elfNN_bfd_link_split_section
 293 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 294 #endif
 295
 296 #ifndef bfd_elfNN_bfd_link_check_relocs
 297 #define bfd_elfNN_bfd_link_check_relocs  _bfd_elf_link_check_relocs
 298 #endif
 299
 300 #ifndef bfd_elfNN_archive_p
 301 #define bfd_elfNN_archive_p bfd_generic_archive_p
 302 #endif
 303
 304 #ifndef bfd_elfNN_write_archive_contents
 305 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 306 #endif
 307
 308 #ifndef bfd_elfNN_mkobject
 309 #define bfd_elfNN_mkobject bfd_elf_make_object
 310 #endif
 311
 312 #ifndef bfd_elfNN_mkcorefile
 313 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 314 #endif
 315
 316 #ifndef bfd_elfNN_mkarchive
 317 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 318 #endif
 319
 320 #ifndef bfd_elfNN_print_symbol
 321 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 322 #endif
 323
 324 #ifndef elf_symbol_leading_char
 325 #define elf_symbol_leading_char 0
 326 #endif
 327
 328 #ifndef elf_info_to_howto
 329 #define elf_info_to_howto 0
 330 #endif
 331
 332 #ifndef elf_info_to_howto_rel
 333 #define elf_info_to_howto_rel 0
 334 #endif
 335
 336 #ifndef elf_backend_arch_data
 337 #define elf_backend_arch_data NULL
 338 #endif
 339
 340 #ifndef ELF_TARGET_ID
 341 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 342 #endif
 343
 344 #ifndef ELF_OSABI
 345 #define ELF_OSABI ELFOSABI_NONE
 346 #endif
 347
 348 #ifndef ELF_MAXPAGESIZE
 349 # error ELF_MAXPAGESIZE is not defined
 350 #define ELF_MAXPAGESIZE 1
 351 #endif
 352
 353 #ifndef ELF_COMMONPAGESIZE
 354 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 355 #endif
 356
 357 #ifndef ELF_MINPAGESIZE
 358 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 359 #endif
 360
 361 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 362 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 363 #endif
 364 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 365 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 366 #endif
 367
 368 #ifndef ELF_DYNAMIC_SEC_FLAGS
 369 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 370 #define ELF_DYNAMIC_SEC_FLAGS                   \
 371   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 372    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 373 #endif
 374
 375 #ifndef elf_backend_collect
 376 #define elf_backend_collect FALSE
 377 #endif
 378 #ifndef elf_backend_type_change_ok
 379 #define elf_backend_type_change_ok FALSE
 380 #endif
 381
 382 #ifndef elf_backend_sym_is_global
 383 #define elf_backend_sym_is_global       0
 384 #endif
 385 #ifndef elf_backend_object_p
 386 #define elf_backend_object_p            0
 387 #endif
 388 #ifndef elf_backend_symbol_processing
 389 #define elf_backend_symbol_processing   0
 390 #endif
 391 #ifndef elf_backend_symbol_table_processing
 392 #define elf_backend_symbol_table_processing     0
 393 #endif
 394 #ifndef elf_backend_get_symbol_type
 395 #define elf_backend_get_symbol_type 0
 396 #endif
 397 #ifndef elf_backend_archive_symbol_lookup
 398 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 399 #endif
 400 #ifndef elf_backend_name_local_section_symbols
 401 #define elf_backend_name_local_section_symbols  0
 402 #endif
 403 #ifndef elf_backend_section_processing
 404 #define elf_backend_section_processing  0
 405 #endif
 406 #ifndef elf_backend_section_from_shdr
 407 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 408 #endif
 409 #ifndef elf_backend_section_flags
 410 #define elf_backend_section_flags       0
 411 #endif
 412 #ifndef elf_backend_get_sec_type_attr
 413 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 414 #endif
 415 #ifndef elf_backend_section_from_phdr
 416 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 417 #endif
 418 #ifndef elf_backend_fake_sections
 419 #define elf_backend_fake_sections       0
 420 #endif
 421 #ifndef elf_backend_section_from_bfd_section
 422 #define elf_backend_section_from_bfd_section    0
 423 #endif
 424 #ifndef elf_backend_add_symbol_hook
 425 #define elf_backend_add_symbol_hook     0
 426 #endif
 427 #ifndef elf_backend_link_output_symbol_hook
 428 #define elf_backend_link_output_symbol_hook 0
 429 #endif
 430 #ifndef elf_backend_create_dynamic_sections
 431 #define elf_backend_create_dynamic_sections 0
 432 #endif
 433 #ifndef elf_backend_omit_section_dynsym
 434 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 435 #endif
 436 #ifndef elf_backend_relocs_compatible
 437 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 438 #endif
 439 #ifndef elf_backend_check_relocs
 440 #define elf_backend_check_relocs        0
 441 #endif
 442 #ifndef elf_backend_check_directives
 443 #define elf_backend_check_directives    0
 444 #endif
 445 #ifndef elf_backend_notice_as_needed
 446 #define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
 447 #endif
 448 #ifndef elf_backend_adjust_dynamic_symbol
 449 #define elf_backend_adjust_dynamic_symbol 0
 450 #endif
 451 #ifndef elf_backend_always_size_sections
 452 #define elf_backend_always_size_sections 0
 453 #endif
 454 #ifndef elf_backend_size_dynamic_sections
 455 #define elf_backend_size_dynamic_sections 0
 456 #endif
 457 #ifndef elf_backend_init_index_section
 458 #define elf_backend_init_index_section \
 459  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 460 #endif
 461 #ifndef elf_backend_relocate_section
 462 #define elf_backend_relocate_section    0
 463 #endif
 464 #ifndef elf_backend_finish_dynamic_symbol
 465 #define elf_backend_finish_dynamic_symbol       0
 466 #endif
 467 #ifndef elf_backend_finish_dynamic_sections
 468 #define elf_backend_finish_dynamic_sections     0
 469 #endif
 470 #ifndef elf_backend_begin_write_processing
 471 #define elf_backend_begin_write_processing      0
 472 #endif
 473 #ifndef elf_backend_final_write_processing
 474 #define elf_backend_final_write_processing      0
 475 #endif
 476 #ifndef elf_backend_additional_program_headers
 477 #define elf_backend_additional_program_headers  0
 478 #endif
 479 #ifndef elf_backend_modify_segment_map
 480 #define elf_backend_modify_segment_map  0
 481 #endif
 482 #ifndef elf_backend_modify_program_headers
 483 #define elf_backend_modify_program_headers      0
 484 #endif
 485 #ifndef elf_backend_allow_non_load_phdr
 486 #define elf_backend_allow_non_load_phdr \
 487   ((bfd_boolean (*) (bfd *, const Elf_Internal_Phdr *, unsigned)) bfd_false)
 488 #endif
 489 #ifndef elf_backend_ecoff_debug_swap
 490 #define elf_backend_ecoff_debug_swap    0
 491 #endif
 492 #ifndef elf_backend_bfd_from_remote_memory
 493 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 494 #endif
 495 #ifndef elf_backend_got_header_size
 496 #define elf_backend_got_header_size     0
 497 #endif
 498 #ifndef elf_backend_got_elt_size
 499 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 500 #endif
 501 #ifndef elf_backend_obj_attrs_vendor
 502 #define elf_backend_obj_attrs_vendor            NULL
 503 #endif
 504 #ifndef elf_backend_obj_attrs_section
 505 #define elf_backend_obj_attrs_section           NULL
 506 #endif
 507 #ifndef elf_backend_obj_attrs_arg_type
 508 #define elf_backend_obj_attrs_arg_type          NULL
 509 #endif
 510 #ifndef elf_backend_obj_attrs_section_type
 511 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 512 #endif
 513 #ifndef elf_backend_obj_attrs_order
 514 #define elf_backend_obj_attrs_order             NULL
 515 #endif
 516 #ifndef elf_backend_obj_attrs_handle_unknown
 517 #define elf_backend_obj_attrs_handle_unknown    NULL
 518 #endif
 519 #ifndef elf_backend_static_tls_alignment
 520 #define elf_backend_static_tls_alignment        1
 521 #endif
 522 #ifndef elf_backend_post_process_headers
 523 #define elf_backend_post_process_headers        _bfd_elf_post_process_headers
 524 #endif
 525 #ifndef elf_backend_print_symbol_all
 526 #define elf_backend_print_symbol_all            NULL
 527 #endif
 528 #ifndef elf_backend_output_arch_local_syms
 529 #define elf_backend_output_arch_local_syms      NULL
 530 #endif
 531 #ifndef elf_backend_output_arch_syms
 532 #define elf_backend_output_arch_syms            NULL
 533 #endif
 534 #ifndef elf_backend_filter_implib_symbols
 535 #define elf_backend_filter_implib_symbols       NULL
 536 #endif
 537 #ifndef elf_backend_copy_indirect_symbol
 538 #define elf_backend_copy_indirect_symbol        _bfd_elf_link_hash_copy_indirect
 539 #endif
 540 #ifndef elf_backend_hide_symbol
 541 #define elf_backend_hide_symbol                 _bfd_elf_link_hash_hide_symbol
 542 #endif
 543 #ifndef elf_backend_fixup_symbol
 544 #define elf_backend_fixup_symbol                NULL
 545 #endif
 546 #ifndef elf_backend_merge_symbol_attribute
 547 #define elf_backend_merge_symbol_attribute      NULL
 548 #endif
 549 #ifndef elf_backend_get_target_dtag
 550 #define elf_backend_get_target_dtag             NULL
 551 #endif
 552 #ifndef elf_backend_ignore_undef_symbol
 553 #define elf_backend_ignore_undef_symbol         NULL
 554 #endif
 555 #ifndef elf_backend_emit_relocs
 556 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 557 #endif
 558 #ifndef elf_backend_update_relocs
 559 #define elf_backend_update_relocs               NULL
 560 #endif
 561 #ifndef elf_backend_count_relocs
 562 #define elf_backend_count_relocs                NULL
 563 #endif
 564 #ifndef elf_backend_count_additional_relocs
 565 #define elf_backend_count_additional_relocs     NULL
 566 #endif
 567 #ifndef elf_backend_sort_relocs_p
 568 #define elf_backend_sort_relocs_p               NULL
 569 #endif
 570 #ifndef elf_backend_grok_prstatus
 571 #define elf_backend_grok_prstatus               NULL
 572 #endif
 573 #ifndef elf_backend_grok_psinfo
 574 #define elf_backend_grok_psinfo                 NULL
 575 #endif
 576 #ifndef elf_backend_write_core_note
 577 #define elf_backend_write_core_note             NULL
 578 #endif
 579 #ifndef elf_backend_lookup_section_flags_hook
 580 #define elf_backend_lookup_section_flags_hook   NULL
 581 #endif
 582 #ifndef elf_backend_reloc_type_class
 583 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 584 #endif
 585 #ifndef elf_backend_discard_info
 586 #define elf_backend_discard_info                NULL
 587 #endif
 588 #ifndef elf_backend_ignore_discarded_relocs
 589 #define elf_backend_ignore_discarded_relocs     NULL
 590 #endif
 591 #ifndef elf_backend_action_discarded
 592 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 593 #endif
 594 #ifndef elf_backend_eh_frame_address_size
 595 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 596 #endif
 597 #ifndef elf_backend_can_make_relative_eh_frame
 598 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 599 #endif
 600 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 601 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 602 #endif
 603 #ifndef elf_backend_encode_eh_address
 604 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 605 #endif
 606 #ifndef elf_backend_write_section
 607 #define elf_backend_write_section               NULL
 608 #endif
 609 #ifndef elf_backend_mips_irix_compat
 610 #define elf_backend_mips_irix_compat            NULL
 611 #endif
 612 #ifndef elf_backend_mips_rtype_to_howto
 613 #define elf_backend_mips_rtype_to_howto         NULL
 614 #endif
 615
 616 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 617    sections, but not both.  They defined USE_REL to indicate SHT_REL
 618    sections, and left it undefined to indicated SHT_RELA sections.
 619    For backwards compatibility, we still support this usage.  */
 620 #ifndef USE_REL
 621 #define USE_REL 0
 622 #endif
 623
 624 /* Use these in new code.  */
 625 #ifndef elf_backend_may_use_rel_p
 626 #define elf_backend_may_use_rel_p USE_REL
 627 #endif
 628 #ifndef elf_backend_may_use_rela_p
 629 #define elf_backend_may_use_rela_p !USE_REL
 630 #endif
 631 #ifndef elf_backend_default_use_rela_p
 632 #define elf_backend_default_use_rela_p !USE_REL
 633 #endif
 634 #ifndef elf_backend_rela_plts_and_copies_p
 635 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 636 #endif
 637
 638 #ifndef elf_backend_rela_normal
 639 #define elf_backend_rela_normal 0
 640 #endif
 641
 642 #ifndef elf_backend_dtrel_excludes_plt
 643 #define elf_backend_dtrel_excludes_plt 0
 644 #endif
 645
 646 #ifndef elf_backend_plt_sym_val
 647 #define elf_backend_plt_sym_val NULL
 648 #endif
 649 #ifndef elf_backend_relplt_name
 650 #define elf_backend_relplt_name NULL
 651 #endif
 652
 653 #ifndef ELF_MACHINE_ALT1
 654 #define ELF_MACHINE_ALT1 0
 655 #endif
 656
 657 #ifndef ELF_MACHINE_ALT2
 658 #define ELF_MACHINE_ALT2 0
 659 #endif
 660
 661 #ifndef elf_backend_size_info
 662 #define elf_backend_size_info _bfd_elfNN_size_info
 663 #endif
 664
 665 #ifndef elf_backend_special_sections
 666 #define elf_backend_special_sections NULL
 667 #endif
 668
 669 #ifndef elf_backend_sign_extend_vma
 670 #define elf_backend_sign_extend_vma 0
 671 #endif
 672
 673 #ifndef elf_backend_link_order_error_handler
 674 #define elf_backend_link_order_error_handler _bfd_error_handler
 675 #endif
 676
 677 #ifndef elf_backend_common_definition
 678 #define elf_backend_common_definition _bfd_elf_common_definition
 679 #endif
 680
 681 #ifndef elf_backend_common_section_index
 682 #define elf_backend_common_section_index _bfd_elf_common_section_index
 683 #endif
 684
 685 #ifndef elf_backend_common_section
 686 #define elf_backend_common_section _bfd_elf_common_section
 687 #endif
 688
 689 #ifndef elf_backend_merge_symbol
 690 #define elf_backend_merge_symbol NULL
 691 #endif
 692
 693 #ifndef elf_backend_hash_symbol
 694 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 695 #endif
 696
 697 #ifndef elf_backend_is_function_type
 698 #define elf_backend_is_function_type _bfd_elf_is_function_type
 699 #endif
 700
 701 #ifndef elf_backend_maybe_function_sym
 702 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 703 #endif
 704
 705 #ifndef elf_backend_get_reloc_section
 706 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
 707 #endif
 708
 709 #ifndef elf_backend_copy_special_section_fields
 710 #define elf_backend_copy_special_section_fields NULL
 711 #endif
 712
 713 #ifndef elf_backend_compact_eh_encoding
 714 #define elf_backend_compact_eh_encoding NULL
 715 #endif
 716
 717 #ifndef elf_backend_cant_unwind_opcode
 718 #define elf_backend_cant_unwind_opcode 0
 719 #endif
 720
 721 #ifndef elf_match_priority
 722 #define elf_match_priority \
 723   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 724 #endif
 725
 726 extern const struct elf_size_info _bfd_elfNN_size_info;
 727
 728 static struct elf_backend_data elfNN_bed =
 729 {
 730   ELF_ARCH,                     /* arch */
 731   ELF_TARGET_ID,                /* target_id */
 732   ELF_MACHINE_CODE,             /* elf_machine_code */
 733   ELF_OSABI,                    /* elf_osabi  */
 734   ELF_MAXPAGESIZE,              /* maxpagesize */
 735   ELF_MINPAGESIZE,              /* minpagesize */
 736   ELF_COMMONPAGESIZE,           /* commonpagesize */
 737   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 738   elf_backend_arch_data,
 739   elf_info_to_howto,
 740   elf_info_to_howto_rel,
 741   elf_backend_sym_is_global,
 742   elf_backend_object_p,
 743   elf_backend_symbol_processing,
 744   elf_backend_symbol_table_processing,
 745   elf_backend_get_symbol_type,
 746   elf_backend_archive_symbol_lookup,
 747   elf_backend_name_local_section_symbols,
 748   elf_backend_section_processing,
 749   elf_backend_section_from_shdr,
 750   elf_backend_section_flags,
 751   elf_backend_get_sec_type_attr,
 752   elf_backend_section_from_phdr,
 753   elf_backend_fake_sections,
 754   elf_backend_section_from_bfd_section,
 755   elf_backend_add_symbol_hook,
 756   elf_backend_link_output_symbol_hook,
 757   elf_backend_create_dynamic_sections,
 758   elf_backend_omit_section_dynsym,
 759   elf_backend_relocs_compatible,
 760   elf_backend_check_relocs,
 761   elf_backend_check_directives,
 762   elf_backend_notice_as_needed,
 763   elf_backend_adjust_dynamic_symbol,
 764   elf_backend_always_size_sections,
 765   elf_backend_size_dynamic_sections,
 766   elf_backend_init_index_section,
 767   elf_backend_relocate_section,
 768   elf_backend_finish_dynamic_symbol,
 769   elf_backend_finish_dynamic_sections,
 770   elf_backend_begin_write_processing,
 771   elf_backend_final_write_processing,
 772   elf_backend_additional_program_headers,
 773   elf_backend_modify_segment_map,
 774   elf_backend_modify_program_headers,
 775   elf_backend_allow_non_load_phdr,
 776   elf_backend_gc_keep,
 777   elf_backend_gc_mark_dynamic_ref,
 778   elf_backend_gc_mark_hook,
 779   elf_backend_gc_mark_extra_sections,
 780   elf_backend_gc_sweep_hook,
 781   elf_backend_post_process_headers,
 782   elf_backend_print_symbol_all,
 783   elf_backend_output_arch_local_syms,
 784   elf_backend_output_arch_syms,
 785   elf_backend_filter_implib_symbols,
 786   elf_backend_copy_indirect_symbol,
 787   elf_backend_hide_symbol,
 788   elf_backend_fixup_symbol,
 789   elf_backend_merge_symbol_attribute,
 790   elf_backend_get_target_dtag,
 791   elf_backend_ignore_undef_symbol,
 792   elf_backend_emit_relocs,
 793   elf_backend_update_relocs,
 794   elf_backend_count_relocs,
 795   elf_backend_count_additional_relocs,
 796   elf_backend_sort_relocs_p,
 797   elf_backend_grok_prstatus,
 798   elf_backend_grok_psinfo,
 799   elf_backend_write_core_note,
 800   elf_backend_lookup_section_flags_hook,
 801   elf_backend_reloc_type_class,
 802   elf_backend_discard_info,
 803   elf_backend_ignore_discarded_relocs,
 804   elf_backend_action_discarded,
 805   elf_backend_eh_frame_address_size,
 806   elf_backend_can_make_relative_eh_frame,
 807   elf_backend_can_make_lsda_relative_eh_frame,
 808   elf_backend_encode_eh_address,
 809   elf_backend_write_section,
 810   elf_backend_mips_irix_compat,
 811   elf_backend_mips_rtype_to_howto,
 812   elf_backend_ecoff_debug_swap,
 813   elf_backend_bfd_from_remote_memory,
 814   elf_backend_plt_sym_val,
 815   elf_backend_common_definition,
 816   elf_backend_common_section_index,
 817   elf_backend_common_section,
 818   elf_backend_merge_symbol,
 819   elf_backend_hash_symbol,
 820   elf_backend_is_function_type,
 821   elf_backend_maybe_function_sym,
 822   elf_backend_get_reloc_section,
 823   elf_backend_copy_special_section_fields,
 824   elf_backend_link_order_error_handler,
 825   elf_backend_relplt_name,
 826   ELF_MACHINE_ALT1,
 827   ELF_MACHINE_ALT2,
 828   &elf_backend_size_info,
 829   elf_backend_special_sections,
 830   elf_backend_got_header_size,
 831   elf_backend_got_elt_size,
 832   elf_backend_obj_attrs_vendor,
 833   elf_backend_obj_attrs_section,
 834   elf_backend_obj_attrs_arg_type,
 835   elf_backend_obj_attrs_section_type,
 836   elf_backend_obj_attrs_order,
 837   elf_backend_obj_attrs_handle_unknown,
 838   elf_backend_compact_eh_encoding,
 839   elf_backend_cant_unwind_opcode,
 840   elf_backend_static_tls_alignment,
 841   elf_backend_stack_align,
 842   elf_backend_strtab_flags,
 843   elf_backend_collect,
 844   elf_backend_type_change_ok,
 845   elf_backend_may_use_rel_p,
 846   elf_backend_may_use_rela_p,
 847   elf_backend_default_use_rela_p,
 848   elf_backend_rela_plts_and_copies_p,
 849   elf_backend_rela_normal,
 850   elf_backend_dtrel_excludes_plt,
 851   elf_backend_sign_extend_vma,
 852   elf_backend_want_got_plt,
 853   elf_backend_plt_readonly,
 854   elf_backend_want_plt_sym,
 855   elf_backend_plt_not_loaded,
 856   elf_backend_plt_alignment,
 857   elf_backend_can_gc_sections,
 858   elf_backend_can_refcount,
 859   elf_backend_want_got_sym,
 860   elf_backend_want_dynbss,
 861   elf_backend_want_dynrelro,
 862   elf_backend_want_p_paddr_set_to_zero,
 863   elf_backend_default_execstack,
 864   elf_backend_caches_rawsize,
 865   elf_backend_extern_protected_data
 866 };
 867
 868 /* Forward declaration for use when initialising alternative_target field.  */
 869 #ifdef TARGET_LITTLE_SYM
 870 extern const bfd_target TARGET_LITTLE_SYM;
 871 #endif
 872
 873 #ifdef TARGET_BIG_SYM
 874 const bfd_target TARGET_BIG_SYM =
 875 {
 876   /* name: identify kind of target */
 877   TARGET_BIG_NAME,
 878
 879   /* flavour: general indication about file */
 880   bfd_target_elf_flavour,
 881
 882   /* byteorder: data is big endian */
 883   BFD_ENDIAN_BIG,
 884
 885   /* header_byteorder: header is also big endian */
 886   BFD_ENDIAN_BIG,
 887
 888   /* object_flags: mask of all file flags */
 889   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 890    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 891    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 892
 893   /* section_flags: mask of all section flags */
 894   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 895    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 896    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 897
 898    /* leading_symbol_char: is the first char of a user symbol
 899       predictable, and if so what is it */
 900   elf_symbol_leading_char,
 901
 902   /* ar_pad_char: pad character for filenames within an archive header
 903      FIXME:  this really has nothing to do with ELF, this is a characteristic
 904      of the archiver and/or os and should be independently tunable */
 905   '/',
 906
 907   /* ar_max_namelen: maximum number of characters in an archive header
 908      FIXME:  this really has nothing to do with ELF, this is a characteristic
 909      of the archiver and should be independently tunable.  The System V ABI,
 910      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 911   15,
 912
 913   elf_match_priority,
 914
 915   /* Routines to byte-swap various sized integers from the data sections */
 916   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 917     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 918     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 919
 920   /* Routines to byte-swap various sized integers from the file headers */
 921   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 922     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 923     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 924
 925   /* bfd_check_format: check the format of a file being read */
 926   { _bfd_dummy_target,          /* unknown format */
 927     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 928     bfd_elfNN_archive_p,        /* an archive */
 929     bfd_elfNN_core_file_p       /* a core file */
 930   },
 931
 932   /* bfd_set_format: set the format of a file being written */
 933   { bfd_false,
 934     bfd_elfNN_mkobject,
 935     bfd_elfNN_mkarchive,
 936     bfd_elfNN_mkcorefile
 937   },
 938
 939   /* bfd_write_contents: write cached information into a file being written */
 940   { bfd_false,
 941     bfd_elfNN_write_object_contents,
 942     bfd_elfNN_write_archive_contents,
 943     bfd_elfNN_write_corefile_contents,
 944   },
 945
 946   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 947   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 948   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 949 #ifdef bfd_elfNN_archive_functions
 950   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 951 #elif defined USE_64_BIT_ARCHIVE
 952   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
 953 #else
 954   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 955 #endif
 956   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 957   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 958   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 959   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 960   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 961
 962   /* Alternative endian target.  */
 963 #ifdef TARGET_LITTLE_SYM
 964   & TARGET_LITTLE_SYM,
 965 #else
 966   NULL,
 967 #endif
 968
 969   /* backend_data: */
 970   &elfNN_bed
 971 };
 972 #endif
 973
 974 #ifdef TARGET_LITTLE_SYM
 975 const bfd_target TARGET_LITTLE_SYM =
 976 {
 977   /* name: identify kind of target */
 978   TARGET_LITTLE_NAME,
 979
 980   /* flavour: general indication about file */
 981   bfd_target_elf_flavour,
 982
 983   /* byteorder: data is little endian */
 984   BFD_ENDIAN_LITTLE,
 985
 986   /* header_byteorder: header is also little endian */
 987   BFD_ENDIAN_LITTLE,
 988
 989   /* object_flags: mask of all file flags */
 990   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 991    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 992    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 993
 994   /* section_flags: mask of all section flags */
 995   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 996    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 997    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 998
 999    /* leading_symbol_char: is the first char of a user symbol
1000       predictable, and if so what is it */
1001   elf_symbol_leading_char,
1002
1003   /* ar_pad_char: pad character for filenames within an archive header
1004      FIXME:  this really has nothing to do with ELF, this is a characteristic
1005      of the archiver and/or os and should be independently tunable */
1006   '/',
1007
1008   /* ar_max_namelen: maximum number of characters in an archive header
1009      FIXME:  this really has nothing to do with ELF, this is a characteristic
1010      of the archiver and should be independently tunable.  The System V ABI,
1011      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
1012   15,
1013
1014   elf_match_priority,
1015
1016   /* Routines to byte-swap various sized integers from the data sections */
1017   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1018     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1019     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1020
1021   /* Routines to byte-swap various sized integers from the file headers */
1022   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
1023     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
1024     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
1025
1026   /* bfd_check_format: check the format of a file being read */
1027   { _bfd_dummy_target,          /* unknown format */
1028     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
1029     bfd_elfNN_archive_p,        /* an archive */
1030     bfd_elfNN_core_file_p       /* a core file */
1031   },
1032
1033   /* bfd_set_format: set the format of a file being written */
1034   { bfd_false,
1035     bfd_elfNN_mkobject,
1036     bfd_elfNN_mkarchive,
1037     bfd_elfNN_mkcorefile
1038   },
1039
1040   /* bfd_write_contents: write cached information into a file being written */
1041   { bfd_false,
1042     bfd_elfNN_write_object_contents,
1043     bfd_elfNN_write_archive_contents,
1044     bfd_elfNN_write_corefile_contents,
1045   },
1046
1047   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1048   BFD_JUMP_TABLE_COPY (bfd_elfNN),
1049   BFD_JUMP_TABLE_CORE (bfd_elfNN),
1050 #ifdef bfd_elfNN_archive_functions
1051   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1052 #elif defined USE_64_BIT_ARCHIVE
1053   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_64_bit),
1054 #else
1055   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1056 #endif
1057   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1058   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1059   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1060   BFD_JUMP_TABLE_LINK (bfd_elfNN),
1061   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1062
1063   /* Alternative endian target.  */
1064 #ifdef TARGET_BIG_SYM
1065   & TARGET_BIG_SYM,
1066 #else
1067   NULL,
1068 #endif
1069
1070   /* backend_data: */
1071   &elfNN_bed
1072 };
1073 #endif