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