bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright (C) 1993-2016 Free Software Foundation, Inc.
   3
   4    This file is part of BFD, the Binary File Descriptor library.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21
  22 /* This structure contains everything that BFD knows about a target.
  23    It includes things like its byte order, name, what routines to call
  24    to do various operations, etc.  Every BFD points to a target structure
  25    with its "xvec" member.
  26
  27    There are two such structures here:  one for big-endian machines and
  28    one for little-endian machines.   */
  29
  30 #ifndef bfd_elfNN_close_and_cleanup
  31 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  32 #endif
  33 #ifndef bfd_elfNN_bfd_free_cached_info
  34 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
  35 #endif
  36 #ifndef bfd_elfNN_get_section_contents
  37 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  38 #endif
  39
  40 #define bfd_elfNN_canonicalize_dynamic_symtab \
  41   _bfd_elf_canonicalize_dynamic_symtab
  42 #ifndef bfd_elfNN_get_synthetic_symtab
  43 #define bfd_elfNN_get_synthetic_symtab \
  44   _bfd_elf_get_synthetic_symtab
  45 #endif
  46 #ifndef bfd_elfNN_canonicalize_reloc
  47 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  48 #endif
  49 #ifndef bfd_elfNN_find_nearest_line
  50 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  51 #endif
  52 #ifndef bfd_elfNN_find_line
  53 #define bfd_elfNN_find_line             _bfd_elf_find_line
  54 #endif
  55 #ifndef bfd_elfNN_find_inliner_info
  56 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  57 #endif
  58 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  59 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  60 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  61   _bfd_elf_get_dynamic_symtab_upper_bound
  62 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  63 #ifndef bfd_elfNN_get_reloc_upper_bound
  64 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  65 #endif
  66 #ifndef bfd_elfNN_get_symbol_info
  67 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  68 #endif
  69 #ifndef bfd_elfNN_get_symbol_version_string
  70 #define bfd_elfNN_get_symbol_version_string \
  71   _bfd_elf_get_symbol_version_string
  72 #endif
  73 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  74 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  75 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  76 #ifndef bfd_elfNN_new_section_hook
  77 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  78 #endif
  79 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  80 #ifndef bfd_elfNN_set_section_contents
  81 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  82 #endif
  83 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  84 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  85 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  86
  87 #define bfd_elfNN_get_section_contents_in_window \
  88   _bfd_generic_get_section_contents_in_window
  89
  90 #ifndef elf_backend_can_refcount
  91 #define elf_backend_can_refcount 0
  92 #endif
  93 #ifndef elf_backend_want_got_plt
  94 #define elf_backend_want_got_plt 0
  95 #endif
  96 #ifndef elf_backend_plt_readonly
  97 #define elf_backend_plt_readonly 0
  98 #endif
  99 #ifndef elf_backend_want_plt_sym
 100 #define elf_backend_want_plt_sym 0
 101 #endif
 102 #ifndef elf_backend_plt_not_loaded
 103 #define elf_backend_plt_not_loaded 0
 104 #endif
 105 #ifndef elf_backend_plt_alignment
 106 #define elf_backend_plt_alignment 2
 107 #endif
 108 #ifndef elf_backend_want_dynbss
 109 #define elf_backend_want_dynbss 1
 110 #endif
 111 #ifndef elf_backend_want_p_paddr_set_to_zero
 112 #define elf_backend_want_p_paddr_set_to_zero 0
 113 #endif
 114 #ifndef elf_backend_default_execstack
 115 #define elf_backend_default_execstack 1
 116 #endif
 117 #ifndef elf_backend_caches_rawsize
 118 #define elf_backend_caches_rawsize 0
 119 #endif
 120 #ifndef elf_backend_extern_protected_data
 121 #define elf_backend_extern_protected_data 0
 122 #endif
 123 #ifndef elf_backend_stack_align
 124 #define elf_backend_stack_align 16
 125 #endif
 126 #ifndef elf_backend_strtab_flags
 127 #define elf_backend_strtab_flags 0
 128 #endif
 129
 130 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 131 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 132 #define bfd_elfNN_bfd_debug_info_accumulate \
 133   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 134
 135 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 136 #define bfd_elfNN_bfd_get_relocated_section_contents \
 137   bfd_generic_get_relocated_section_contents
 138 #endif
 139
 140 #ifndef bfd_elfNN_bfd_relax_section
 141 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 142 #endif
 143
 144 #ifndef elf_backend_can_gc_sections
 145 #define elf_backend_can_gc_sections 0
 146 #endif
 147 #ifndef elf_backend_can_refcount
 148 #define elf_backend_can_refcount 0
 149 #endif
 150 #ifndef elf_backend_want_got_sym
 151 #define elf_backend_want_got_sym 1
 152 #endif
 153 #ifndef elf_backend_gc_keep
 154 #define elf_backend_gc_keep             _bfd_elf_gc_keep
 155 #endif
 156 #ifndef elf_backend_gc_mark_dynamic_ref
 157 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 158 #endif
 159 #ifndef elf_backend_gc_mark_hook
 160 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 161 #endif
 162 #ifndef elf_backend_gc_mark_extra_sections
 163 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
 164 #endif
 165 #ifndef elf_backend_gc_sweep_hook
 166 #define elf_backend_gc_sweep_hook       NULL
 167 #endif
 168 #ifndef bfd_elfNN_bfd_gc_sections
 169 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 170 #endif
 171
 172 #ifndef bfd_elfNN_bfd_merge_sections
 173 #define bfd_elfNN_bfd_merge_sections \
 174   _bfd_elf_merge_sections
 175 #endif
 176
 177 #ifndef bfd_elfNN_bfd_is_group_section
 178 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 179 #endif
 180
 181 #ifndef bfd_elfNN_bfd_discard_group
 182 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 183 #endif
 184
 185 #ifndef bfd_elfNN_section_already_linked
 186 #define bfd_elfNN_section_already_linked \
 187   _bfd_elf_section_already_linked
 188 #endif
 189
 190 #ifndef bfd_elfNN_bfd_define_common_symbol
 191 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
 192 #endif
 193
 194 #ifndef bfd_elfNN_bfd_lookup_section_flags
 195 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
 196 #endif
 197
 198 #ifndef bfd_elfNN_bfd_make_debug_symbol
 199 #define bfd_elfNN_bfd_make_debug_symbol \
 200   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 201 #endif
 202
 203 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 204 #define bfd_elfNN_bfd_copy_private_symbol_data \
 205   _bfd_elf_copy_private_symbol_data
 206 #endif
 207
 208 #ifndef bfd_elfNN_bfd_copy_private_section_data
 209 #define bfd_elfNN_bfd_copy_private_section_data \
 210   _bfd_elf_copy_private_section_data
 211 #endif
 212 #ifndef bfd_elfNN_bfd_copy_private_header_data
 213 #define bfd_elfNN_bfd_copy_private_header_data \
 214   _bfd_elf_copy_private_header_data
 215 #endif
 216 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 217 #define bfd_elfNN_bfd_copy_private_bfd_data \
 218   _bfd_elf_copy_private_bfd_data
 219 #endif
 220 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 221 #define bfd_elfNN_bfd_print_private_bfd_data \
 222   _bfd_elf_print_private_bfd_data
 223 #endif
 224 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 225 #define bfd_elfNN_bfd_merge_private_bfd_data \
 226   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 227 #endif
 228 #ifndef bfd_elfNN_bfd_set_private_flags
 229 #define bfd_elfNN_bfd_set_private_flags \
 230   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 231 #endif
 232 #ifndef bfd_elfNN_bfd_is_local_label_name
 233 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 234 #endif
 235 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 236 #define bfd_elfNN_bfd_is_target_special_symbol \
 237   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 238 #endif
 239
 240 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 241 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 242   _bfd_elf_get_dynamic_reloc_upper_bound
 243 #endif
 244 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 245 #define bfd_elfNN_canonicalize_dynamic_reloc \
 246   _bfd_elf_canonicalize_dynamic_reloc
 247 #endif
 248
 249 #ifdef elf_backend_relocate_section
 250 #ifndef bfd_elfNN_bfd_link_hash_table_create
 251 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 252 #endif
 253 #ifndef bfd_elfNN_bfd_link_add_symbols
 254 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 255 #endif
 256 #ifndef bfd_elfNN_bfd_final_link
 257 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 258 #endif
 259 #else /* ! defined (elf_backend_relocate_section) */
 260 /* If no backend relocate_section routine, use the generic linker.
 261    Note - this will prevent the port from being able to use some of
 262    the other features of the ELF linker, because the generic hash structure
 263    does not have the fields needed by the ELF linker.  In particular it
 264    means that linking directly to S-records will not work.  */
 265 #ifndef bfd_elfNN_bfd_link_hash_table_create
 266 #define bfd_elfNN_bfd_link_hash_table_create \
 267   _bfd_generic_link_hash_table_create
 268 #endif
 269 #ifndef bfd_elfNN_bfd_link_add_symbols
 270 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 271 #endif
 272 #ifndef bfd_elfNN_bfd_final_link
 273 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 274 #endif
 275 #endif /* ! defined (elf_backend_relocate_section) */
 276
 277 #ifndef bfd_elfNN_bfd_link_just_syms
 278 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 279 #endif
 280
 281 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 282 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 283   _bfd_elf_copy_link_hash_symbol_type
 284 #endif
 285
 286 #ifndef bfd_elfNN_bfd_link_split_section
 287 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 288 #endif
 289
 290 #ifndef bfd_elfNN_bfd_link_check_relocs
 291 #define bfd_elfNN_bfd_link_check_relocs  _bfd_elf_link_check_relocs
 292 #endif
 293
 294 #ifndef bfd_elfNN_archive_p
 295 #define bfd_elfNN_archive_p bfd_generic_archive_p
 296 #endif
 297
 298 #ifndef bfd_elfNN_write_archive_contents
 299 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 300 #endif
 301
 302 #ifndef bfd_elfNN_mkobject
 303 #define bfd_elfNN_mkobject bfd_elf_make_object
 304 #endif
 305
 306 #ifndef bfd_elfNN_mkcorefile
 307 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 308 #endif
 309
 310 #ifndef bfd_elfNN_mkarchive
 311 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 312 #endif
 313
 314 #ifndef bfd_elfNN_print_symbol
 315 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 316 #endif
 317
 318 #ifndef elf_symbol_leading_char
 319 #define elf_symbol_leading_char 0
 320 #endif
 321
 322 #ifndef elf_info_to_howto
 323 #define elf_info_to_howto 0
 324 #endif
 325
 326 #ifndef elf_info_to_howto_rel
 327 #define elf_info_to_howto_rel 0
 328 #endif
 329
 330 #ifndef elf_backend_arch_data
 331 #define elf_backend_arch_data NULL
 332 #endif
 333
 334 #ifndef ELF_TARGET_ID
 335 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 336 #endif
 337
 338 #ifndef ELF_OSABI
 339 #define ELF_OSABI ELFOSABI_NONE
 340 #endif
 341
 342 #ifndef ELF_MAXPAGESIZE
 343 # error ELF_MAXPAGESIZE is not defined
 344 #define ELF_MAXPAGESIZE 1
 345 #endif
 346
 347 #ifndef ELF_COMMONPAGESIZE
 348 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 349 #endif
 350
 351 #ifndef ELF_MINPAGESIZE
 352 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 353 #endif
 354
 355 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 356 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 357 #endif
 358 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 359 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 360 #endif
 361
 362 #ifndef ELF_DYNAMIC_SEC_FLAGS
 363 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 364 #define ELF_DYNAMIC_SEC_FLAGS                   \
 365   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 366    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 367 #endif
 368
 369 #ifndef elf_backend_collect
 370 #define elf_backend_collect FALSE
 371 #endif
 372 #ifndef elf_backend_type_change_ok
 373 #define elf_backend_type_change_ok FALSE
 374 #endif
 375
 376 #ifndef elf_backend_sym_is_global
 377 #define elf_backend_sym_is_global       0
 378 #endif
 379 #ifndef elf_backend_object_p
 380 #define elf_backend_object_p            0
 381 #endif
 382 #ifndef elf_backend_symbol_processing
 383 #define elf_backend_symbol_processing   0
 384 #endif
 385 #ifndef elf_backend_symbol_table_processing
 386 #define elf_backend_symbol_table_processing     0
 387 #endif
 388 #ifndef elf_backend_get_symbol_type
 389 #define elf_backend_get_symbol_type 0
 390 #endif
 391 #ifndef elf_backend_archive_symbol_lookup
 392 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 393 #endif
 394 #ifndef elf_backend_name_local_section_symbols
 395 #define elf_backend_name_local_section_symbols  0
 396 #endif
 397 #ifndef elf_backend_section_processing
 398 #define elf_backend_section_processing  0
 399 #endif
 400 #ifndef elf_backend_section_from_shdr
 401 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 402 #endif
 403 #ifndef elf_backend_section_flags
 404 #define elf_backend_section_flags       0
 405 #endif
 406 #ifndef elf_backend_get_sec_type_attr
 407 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 408 #endif
 409 #ifndef elf_backend_section_from_phdr
 410 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 411 #endif
 412 #ifndef elf_backend_fake_sections
 413 #define elf_backend_fake_sections       0
 414 #endif
 415 #ifndef elf_backend_section_from_bfd_section
 416 #define elf_backend_section_from_bfd_section    0
 417 #endif
 418 #ifndef elf_backend_add_symbol_hook
 419 #define elf_backend_add_symbol_hook     0
 420 #endif
 421 #ifndef elf_backend_link_output_symbol_hook
 422 #define elf_backend_link_output_symbol_hook 0
 423 #endif
 424 #ifndef elf_backend_create_dynamic_sections
 425 #define elf_backend_create_dynamic_sections 0
 426 #endif
 427 #ifndef elf_backend_omit_section_dynsym
 428 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 429 #endif
 430 #ifndef elf_backend_relocs_compatible
 431 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 432 #endif
 433 #ifndef elf_backend_check_relocs
 434 #define elf_backend_check_relocs        0
 435 #endif
 436 #ifndef elf_backend_check_directives
 437 #define elf_backend_check_directives    0
 438 #endif
 439 #ifndef elf_backend_notice_as_needed
 440 #define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
 441 #endif
 442 #ifndef elf_backend_adjust_dynamic_symbol
 443 #define elf_backend_adjust_dynamic_symbol 0
 444 #endif
 445 #ifndef elf_backend_always_size_sections
 446 #define elf_backend_always_size_sections 0
 447 #endif
 448 #ifndef elf_backend_size_dynamic_sections
 449 #define elf_backend_size_dynamic_sections 0
 450 #endif
 451 #ifndef elf_backend_init_index_section
 452 #define elf_backend_init_index_section \
 453  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 454 #endif
 455 #ifndef elf_backend_relocate_section
 456 #define elf_backend_relocate_section    0
 457 #endif
 458 #ifndef elf_backend_finish_dynamic_symbol
 459 #define elf_backend_finish_dynamic_symbol       0
 460 #endif
 461 #ifndef elf_backend_finish_dynamic_sections
 462 #define elf_backend_finish_dynamic_sections     0
 463 #endif
 464 #ifndef elf_backend_begin_write_processing
 465 #define elf_backend_begin_write_processing      0
 466 #endif
 467 #ifndef elf_backend_final_write_processing
 468 #define elf_backend_final_write_processing      0
 469 #endif
 470 #ifndef elf_backend_additional_program_headers
 471 #define elf_backend_additional_program_headers  0
 472 #endif
 473 #ifndef elf_backend_modify_segment_map
 474 #define elf_backend_modify_segment_map  0
 475 #endif
 476 #ifndef elf_backend_modify_program_headers
 477 #define elf_backend_modify_program_headers      0
 478 #endif
 479 #ifndef elf_backend_ecoff_debug_swap
 480 #define elf_backend_ecoff_debug_swap    0
 481 #endif
 482 #ifndef elf_backend_bfd_from_remote_memory
 483 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 484 #endif
 485 #ifndef elf_backend_got_header_size
 486 #define elf_backend_got_header_size     0
 487 #endif
 488 #ifndef elf_backend_got_elt_size
 489 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 490 #endif
 491 #ifndef elf_backend_obj_attrs_vendor
 492 #define elf_backend_obj_attrs_vendor            NULL
 493 #endif
 494 #ifndef elf_backend_obj_attrs_section
 495 #define elf_backend_obj_attrs_section           NULL
 496 #endif
 497 #ifndef elf_backend_obj_attrs_arg_type
 498 #define elf_backend_obj_attrs_arg_type          NULL
 499 #endif
 500 #ifndef elf_backend_obj_attrs_section_type
 501 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 502 #endif
 503 #ifndef elf_backend_obj_attrs_order
 504 #define elf_backend_obj_attrs_order             NULL
 505 #endif
 506 #ifndef elf_backend_obj_attrs_handle_unknown
 507 #define elf_backend_obj_attrs_handle_unknown    NULL
 508 #endif
 509 #ifndef elf_backend_static_tls_alignment
 510 #define elf_backend_static_tls_alignment        1
 511 #endif
 512 #ifndef elf_backend_post_process_headers
 513 #define elf_backend_post_process_headers        _bfd_elf_post_process_headers
 514 #endif
 515 #ifndef elf_backend_print_symbol_all
 516 #define elf_backend_print_symbol_all            NULL
 517 #endif
 518 #ifndef elf_backend_output_arch_local_syms
 519 #define elf_backend_output_arch_local_syms      NULL
 520 #endif
 521 #ifndef elf_backend_output_arch_syms
 522 #define elf_backend_output_arch_syms            NULL
 523 #endif
 524 #ifndef elf_backend_copy_indirect_symbol
 525 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 526 #endif
 527 #ifndef elf_backend_hide_symbol
 528 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 529 #endif
 530 #ifndef elf_backend_fixup_symbol
 531 #define elf_backend_fixup_symbol                NULL
 532 #endif
 533 #ifndef elf_backend_merge_symbol_attribute
 534 #define elf_backend_merge_symbol_attribute      NULL
 535 #endif
 536 #ifndef elf_backend_get_target_dtag
 537 #define elf_backend_get_target_dtag             NULL
 538 #endif
 539 #ifndef elf_backend_ignore_undef_symbol
 540 #define elf_backend_ignore_undef_symbol         NULL
 541 #endif
 542 #ifndef elf_backend_emit_relocs
 543 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 544 #endif
 545 #ifndef elf_backend_count_relocs
 546 #define elf_backend_count_relocs                NULL
 547 #endif
 548 #ifndef elf_backend_count_additional_relocs
 549 #define elf_backend_count_additional_relocs     NULL
 550 #endif
 551 #ifndef elf_backend_sort_relocs_p
 552 #define elf_backend_sort_relocs_p               NULL
 553 #endif
 554 #ifndef elf_backend_grok_prstatus
 555 #define elf_backend_grok_prstatus               NULL
 556 #endif
 557 #ifndef elf_backend_grok_psinfo
 558 #define elf_backend_grok_psinfo                 NULL
 559 #endif
 560 #ifndef elf_backend_write_core_note
 561 #define elf_backend_write_core_note             NULL
 562 #endif
 563 #ifndef elf_backend_lookup_section_flags_hook
 564 #define elf_backend_lookup_section_flags_hook   NULL
 565 #endif
 566 #ifndef elf_backend_reloc_type_class
 567 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 568 #endif
 569 #ifndef elf_backend_discard_info
 570 #define elf_backend_discard_info                NULL
 571 #endif
 572 #ifndef elf_backend_ignore_discarded_relocs
 573 #define elf_backend_ignore_discarded_relocs     NULL
 574 #endif
 575 #ifndef elf_backend_action_discarded
 576 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 577 #endif
 578 #ifndef elf_backend_eh_frame_address_size
 579 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 580 #endif
 581 #ifndef elf_backend_can_make_relative_eh_frame
 582 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 583 #endif
 584 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 585 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 586 #endif
 587 #ifndef elf_backend_encode_eh_address
 588 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 589 #endif
 590 #ifndef elf_backend_write_section
 591 #define elf_backend_write_section               NULL
 592 #endif
 593 #ifndef elf_backend_mips_irix_compat
 594 #define elf_backend_mips_irix_compat            NULL
 595 #endif
 596 #ifndef elf_backend_mips_rtype_to_howto
 597 #define elf_backend_mips_rtype_to_howto         NULL
 598 #endif
 599
 600 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 601    sections, but not both.  They defined USE_REL to indicate SHT_REL
 602    sections, and left it undefined to indicated SHT_RELA sections.
 603    For backwards compatibility, we still support this usage.  */
 604 #ifndef USE_REL
 605 #define USE_REL 0
 606 #endif
 607
 608 /* Use these in new code.  */
 609 #ifndef elf_backend_may_use_rel_p
 610 #define elf_backend_may_use_rel_p USE_REL
 611 #endif
 612 #ifndef elf_backend_may_use_rela_p
 613 #define elf_backend_may_use_rela_p !USE_REL
 614 #endif
 615 #ifndef elf_backend_default_use_rela_p
 616 #define elf_backend_default_use_rela_p !USE_REL
 617 #endif
 618 #ifndef elf_backend_rela_plts_and_copies_p
 619 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 620 #endif
 621
 622 #ifndef elf_backend_rela_normal
 623 #define elf_backend_rela_normal 0
 624 #endif
 625
 626 #ifndef elf_backend_plt_sym_val
 627 #define elf_backend_plt_sym_val NULL
 628 #endif
 629 #ifndef elf_backend_relplt_name
 630 #define elf_backend_relplt_name NULL
 631 #endif
 632
 633 #ifndef ELF_MACHINE_ALT1
 634 #define ELF_MACHINE_ALT1 0
 635 #endif
 636
 637 #ifndef ELF_MACHINE_ALT2
 638 #define ELF_MACHINE_ALT2 0
 639 #endif
 640
 641 #ifndef elf_backend_size_info
 642 #define elf_backend_size_info _bfd_elfNN_size_info
 643 #endif
 644
 645 #ifndef elf_backend_special_sections
 646 #define elf_backend_special_sections NULL
 647 #endif
 648
 649 #ifndef elf_backend_sign_extend_vma
 650 #define elf_backend_sign_extend_vma 0
 651 #endif
 652
 653 #ifndef elf_backend_link_order_error_handler
 654 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 655 #endif
 656
 657 #ifndef elf_backend_common_definition
 658 #define elf_backend_common_definition _bfd_elf_common_definition
 659 #endif
 660
 661 #ifndef elf_backend_common_section_index
 662 #define elf_backend_common_section_index _bfd_elf_common_section_index
 663 #endif
 664
 665 #ifndef elf_backend_common_section
 666 #define elf_backend_common_section _bfd_elf_common_section
 667 #endif
 668
 669 #ifndef elf_backend_merge_symbol
 670 #define elf_backend_merge_symbol NULL
 671 #endif
 672
 673 #ifndef elf_backend_hash_symbol
 674 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 675 #endif
 676
 677 #ifndef elf_backend_is_function_type
 678 #define elf_backend_is_function_type _bfd_elf_is_function_type
 679 #endif
 680
 681 #ifndef elf_backend_maybe_function_sym
 682 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 683 #endif
 684
 685 #ifndef elf_backend_get_reloc_section
 686 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
 687 #endif
 688
 689 #ifndef elf_backend_set_special_section_info_and_link
 690 #define elf_backend_set_special_section_info_and_link NULL
 691 #endif
 692
 693 #ifndef elf_backend_compact_eh_encoding
 694 #define elf_backend_compact_eh_encoding NULL
 695 #endif
 696
 697 #ifndef elf_backend_cant_unwind_opcode
 698 #define elf_backend_cant_unwind_opcode 0
 699 #endif
 700
 701 #ifndef elf_match_priority
 702 #define elf_match_priority \
 703   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 704 #endif
 705
 706 extern const struct elf_size_info _bfd_elfNN_size_info;
 707
 708 static struct elf_backend_data elfNN_bed =
 709 {
 710   ELF_ARCH,                     /* arch */
 711   ELF_TARGET_ID,                /* target_id */
 712   ELF_MACHINE_CODE,             /* elf_machine_code */
 713   ELF_OSABI,                    /* elf_osabi  */
 714   ELF_MAXPAGESIZE,              /* maxpagesize */
 715   ELF_MINPAGESIZE,              /* minpagesize */
 716   ELF_COMMONPAGESIZE,           /* commonpagesize */
 717   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 718   elf_backend_arch_data,
 719   elf_info_to_howto,
 720   elf_info_to_howto_rel,
 721   elf_backend_sym_is_global,
 722   elf_backend_object_p,
 723   elf_backend_symbol_processing,
 724   elf_backend_symbol_table_processing,
 725   elf_backend_get_symbol_type,
 726   elf_backend_archive_symbol_lookup,
 727   elf_backend_name_local_section_symbols,
 728   elf_backend_section_processing,
 729   elf_backend_section_from_shdr,
 730   elf_backend_section_flags,
 731   elf_backend_get_sec_type_attr,
 732   elf_backend_section_from_phdr,
 733   elf_backend_fake_sections,
 734   elf_backend_section_from_bfd_section,
 735   elf_backend_add_symbol_hook,
 736   elf_backend_link_output_symbol_hook,
 737   elf_backend_create_dynamic_sections,
 738   elf_backend_omit_section_dynsym,
 739   elf_backend_relocs_compatible,
 740   elf_backend_check_relocs,
 741   elf_backend_check_directives,
 742   elf_backend_notice_as_needed,
 743   elf_backend_adjust_dynamic_symbol,
 744   elf_backend_always_size_sections,
 745   elf_backend_size_dynamic_sections,
 746   elf_backend_init_index_section,
 747   elf_backend_relocate_section,
 748   elf_backend_finish_dynamic_symbol,
 749   elf_backend_finish_dynamic_sections,
 750   elf_backend_begin_write_processing,
 751   elf_backend_final_write_processing,
 752   elf_backend_additional_program_headers,
 753   elf_backend_modify_segment_map,
 754   elf_backend_modify_program_headers,
 755   elf_backend_gc_keep,
 756   elf_backend_gc_mark_dynamic_ref,
 757   elf_backend_gc_mark_hook,
 758   elf_backend_gc_mark_extra_sections,
 759   elf_backend_gc_sweep_hook,
 760   elf_backend_post_process_headers,
 761   elf_backend_print_symbol_all,
 762   elf_backend_output_arch_local_syms,
 763   elf_backend_output_arch_syms,
 764   elf_backend_copy_indirect_symbol,
 765   elf_backend_hide_symbol,
 766   elf_backend_fixup_symbol,
 767   elf_backend_merge_symbol_attribute,
 768   elf_backend_get_target_dtag,
 769   elf_backend_ignore_undef_symbol,
 770   elf_backend_emit_relocs,
 771   elf_backend_count_relocs,
 772   elf_backend_count_additional_relocs,
 773   elf_backend_sort_relocs_p,
 774   elf_backend_grok_prstatus,
 775   elf_backend_grok_psinfo,
 776   elf_backend_write_core_note,
 777   elf_backend_lookup_section_flags_hook,
 778   elf_backend_reloc_type_class,
 779   elf_backend_discard_info,
 780   elf_backend_ignore_discarded_relocs,
 781   elf_backend_action_discarded,
 782   elf_backend_eh_frame_address_size,
 783   elf_backend_can_make_relative_eh_frame,
 784   elf_backend_can_make_lsda_relative_eh_frame,
 785   elf_backend_encode_eh_address,
 786   elf_backend_write_section,
 787   elf_backend_mips_irix_compat,
 788   elf_backend_mips_rtype_to_howto,
 789   elf_backend_ecoff_debug_swap,
 790   elf_backend_bfd_from_remote_memory,
 791   elf_backend_plt_sym_val,
 792   elf_backend_common_definition,
 793   elf_backend_common_section_index,
 794   elf_backend_common_section,
 795   elf_backend_merge_symbol,
 796   elf_backend_hash_symbol,
 797   elf_backend_is_function_type,
 798   elf_backend_maybe_function_sym,
 799   elf_backend_get_reloc_section,
 800   elf_backend_set_special_section_info_and_link,
 801   elf_backend_link_order_error_handler,
 802   elf_backend_relplt_name,
 803   ELF_MACHINE_ALT1,
 804   ELF_MACHINE_ALT2,
 805   &elf_backend_size_info,
 806   elf_backend_special_sections,
 807   elf_backend_got_header_size,
 808   elf_backend_got_elt_size,
 809   elf_backend_obj_attrs_vendor,
 810   elf_backend_obj_attrs_section,
 811   elf_backend_obj_attrs_arg_type,
 812   elf_backend_obj_attrs_section_type,
 813   elf_backend_obj_attrs_order,
 814   elf_backend_obj_attrs_handle_unknown,
 815   elf_backend_compact_eh_encoding,
 816   elf_backend_cant_unwind_opcode,
 817   elf_backend_static_tls_alignment,
 818   elf_backend_stack_align,
 819   elf_backend_strtab_flags,
 820   elf_backend_collect,
 821   elf_backend_type_change_ok,
 822   elf_backend_may_use_rel_p,
 823   elf_backend_may_use_rela_p,
 824   elf_backend_default_use_rela_p,
 825   elf_backend_rela_plts_and_copies_p,
 826   elf_backend_rela_normal,
 827   elf_backend_sign_extend_vma,
 828   elf_backend_want_got_plt,
 829   elf_backend_plt_readonly,
 830   elf_backend_want_plt_sym,
 831   elf_backend_plt_not_loaded,
 832   elf_backend_plt_alignment,
 833   elf_backend_can_gc_sections,
 834   elf_backend_can_refcount,
 835   elf_backend_want_got_sym,
 836   elf_backend_want_dynbss,
 837   elf_backend_want_p_paddr_set_to_zero,
 838   elf_backend_default_execstack,
 839   elf_backend_caches_rawsize,
 840   elf_backend_extern_protected_data
 841 };
 842
 843 /* Forward declaration for use when initialising alternative_target field.  */
 844 #ifdef TARGET_LITTLE_SYM
 845 extern const bfd_target TARGET_LITTLE_SYM;
 846 #endif
 847
 848 #ifdef TARGET_BIG_SYM
 849 const bfd_target TARGET_BIG_SYM =
 850 {
 851   /* name: identify kind of target */
 852   TARGET_BIG_NAME,
 853
 854   /* flavour: general indication about file */
 855   bfd_target_elf_flavour,
 856
 857   /* byteorder: data is big endian */
 858   BFD_ENDIAN_BIG,
 859
 860   /* header_byteorder: header is also big endian */
 861   BFD_ENDIAN_BIG,
 862
 863   /* object_flags: mask of all file flags */
 864   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 865    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 866    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 867
 868   /* section_flags: mask of all section flags */
 869   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 870    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 871    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 872
 873    /* leading_symbol_char: is the first char of a user symbol
 874       predictable, and if so what is it */
 875   elf_symbol_leading_char,
 876
 877   /* ar_pad_char: pad character for filenames within an archive header
 878      FIXME:  this really has nothing to do with ELF, this is a characteristic
 879      of the archiver and/or os and should be independently tunable */
 880   '/',
 881
 882   /* ar_max_namelen: maximum number of characters in an archive header
 883      FIXME:  this really has nothing to do with ELF, this is a characteristic
 884      of the archiver and should be independently tunable.  The System V ABI,
 885      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 886   15,
 887
 888   elf_match_priority,
 889
 890   /* Routines to byte-swap various sized integers from the data sections */
 891   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 892     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 893     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 894
 895   /* Routines to byte-swap various sized integers from the file headers */
 896   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 897     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 898     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 899
 900   /* bfd_check_format: check the format of a file being read */
 901   { _bfd_dummy_target,          /* unknown format */
 902     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 903     bfd_elfNN_archive_p,        /* an archive */
 904     bfd_elfNN_core_file_p       /* a core file */
 905   },
 906
 907   /* bfd_set_format: set the format of a file being written */
 908   { bfd_false,
 909     bfd_elfNN_mkobject,
 910     bfd_elfNN_mkarchive,
 911     bfd_elfNN_mkcorefile
 912   },
 913
 914   /* bfd_write_contents: write cached information into a file being written */
 915   { bfd_false,
 916     bfd_elfNN_write_object_contents,
 917     bfd_elfNN_write_archive_contents,
 918     bfd_elfNN_write_corefile_contents,
 919   },
 920
 921   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 922   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 923   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 924 #ifdef bfd_elfNN_archive_functions
 925   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 926 #else
 927   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 928 #endif
 929   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 930   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 931   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 932   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 933   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 934
 935   /* Alternative endian target.  */
 936 #ifdef TARGET_LITTLE_SYM
 937   & TARGET_LITTLE_SYM,
 938 #else
 939   NULL,
 940 #endif
 941
 942   /* backend_data: */
 943   &elfNN_bed
 944 };
 945 #endif
 946
 947 #ifdef TARGET_LITTLE_SYM
 948 const bfd_target TARGET_LITTLE_SYM =
 949 {
 950   /* name: identify kind of target */
 951   TARGET_LITTLE_NAME,
 952
 953   /* flavour: general indication about file */
 954   bfd_target_elf_flavour,
 955
 956   /* byteorder: data is little endian */
 957   BFD_ENDIAN_LITTLE,
 958
 959   /* header_byteorder: header is also little endian */
 960   BFD_ENDIAN_LITTLE,
 961
 962   /* object_flags: mask of all file flags */
 963   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 964    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 965    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 966
 967   /* section_flags: mask of all section flags */
 968   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 969    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 970    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 971
 972    /* leading_symbol_char: is the first char of a user symbol
 973       predictable, and if so what is it */
 974   elf_symbol_leading_char,
 975
 976   /* ar_pad_char: pad character for filenames within an archive header
 977      FIXME:  this really has nothing to do with ELF, this is a characteristic
 978      of the archiver and/or os and should be independently tunable */
 979   '/',
 980
 981   /* ar_max_namelen: maximum number of characters in an archive header
 982      FIXME:  this really has nothing to do with ELF, this is a characteristic
 983      of the archiver and should be independently tunable.  The System V ABI,
 984      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 985   15,
 986
 987   elf_match_priority,
 988
 989   /* Routines to byte-swap various sized integers from the data sections */
 990   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 991     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 992     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 993
 994   /* Routines to byte-swap various sized integers from the file headers */
 995   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 996     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 997     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 998
 999   /* bfd_check_format: check the format of a file being read */
1000   { _bfd_dummy_target,          /* unknown format */
1001     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
1002     bfd_elfNN_archive_p,        /* an archive */
1003     bfd_elfNN_core_file_p       /* a core file */
1004   },
1005
1006   /* bfd_set_format: set the format of a file being written */
1007   { bfd_false,
1008     bfd_elfNN_mkobject,
1009     bfd_elfNN_mkarchive,
1010     bfd_elfNN_mkcorefile
1011   },
1012
1013   /* bfd_write_contents: write cached information into a file being written */
1014   { bfd_false,
1015     bfd_elfNN_write_object_contents,
1016     bfd_elfNN_write_archive_contents,
1017     bfd_elfNN_write_corefile_contents,
1018   },
1019
1020   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1021   BFD_JUMP_TABLE_COPY (bfd_elfNN),
1022   BFD_JUMP_TABLE_CORE (bfd_elfNN),
1023 #ifdef bfd_elfNN_archive_functions
1024   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1025 #else
1026   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1027 #endif
1028   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1029   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1030   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1031   BFD_JUMP_TABLE_LINK (bfd_elfNN),
1032   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1033
1034   /* Alternative endian target.  */
1035 #ifdef TARGET_BIG_SYM
1036   & TARGET_BIG_SYM,
1037 #else
1038   NULL,
1039 #endif
1040
1041   /* backend_data: */
1042   &elfNN_bed
1043 };
1044 #endif