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_archive_p
 291 #define bfd_elfNN_archive_p bfd_generic_archive_p
 292 #endif
 293
 294 #ifndef bfd_elfNN_write_archive_contents
 295 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 296 #endif
 297
 298 #ifndef bfd_elfNN_mkobject
 299 #define bfd_elfNN_mkobject bfd_elf_make_object
 300 #endif
 301
 302 #ifndef bfd_elfNN_mkcorefile
 303 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 304 #endif
 305
 306 #ifndef bfd_elfNN_mkarchive
 307 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 308 #endif
 309
 310 #ifndef bfd_elfNN_print_symbol
 311 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 312 #endif
 313
 314 #ifndef elf_symbol_leading_char
 315 #define elf_symbol_leading_char 0
 316 #endif
 317
 318 #ifndef elf_info_to_howto
 319 #define elf_info_to_howto 0
 320 #endif
 321
 322 #ifndef elf_info_to_howto_rel
 323 #define elf_info_to_howto_rel 0
 324 #endif
 325
 326 #ifndef elf_backend_arch_data
 327 #define elf_backend_arch_data NULL
 328 #endif
 329
 330 #ifndef ELF_TARGET_ID
 331 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 332 #endif
 333
 334 #ifndef ELF_OSABI
 335 #define ELF_OSABI ELFOSABI_NONE
 336 #endif
 337
 338 #ifndef ELF_MAXPAGESIZE
 339 # error ELF_MAXPAGESIZE is not defined
 340 #define ELF_MAXPAGESIZE 1
 341 #endif
 342
 343 #ifndef ELF_COMMONPAGESIZE
 344 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 345 #endif
 346
 347 #ifndef ELF_MINPAGESIZE
 348 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 349 #endif
 350
 351 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 352 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 353 #endif
 354 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 355 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 356 #endif
 357
 358 #ifndef ELF_DYNAMIC_SEC_FLAGS
 359 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 360 #define ELF_DYNAMIC_SEC_FLAGS                   \
 361   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 362    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 363 #endif
 364
 365 #ifndef elf_backend_collect
 366 #define elf_backend_collect FALSE
 367 #endif
 368 #ifndef elf_backend_type_change_ok
 369 #define elf_backend_type_change_ok FALSE
 370 #endif
 371
 372 #ifndef elf_backend_sym_is_global
 373 #define elf_backend_sym_is_global       0
 374 #endif
 375 #ifndef elf_backend_object_p
 376 #define elf_backend_object_p            0
 377 #endif
 378 #ifndef elf_backend_symbol_processing
 379 #define elf_backend_symbol_processing   0
 380 #endif
 381 #ifndef elf_backend_symbol_table_processing
 382 #define elf_backend_symbol_table_processing     0
 383 #endif
 384 #ifndef elf_backend_get_symbol_type
 385 #define elf_backend_get_symbol_type 0
 386 #endif
 387 #ifndef elf_backend_archive_symbol_lookup
 388 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 389 #endif
 390 #ifndef elf_backend_name_local_section_symbols
 391 #define elf_backend_name_local_section_symbols  0
 392 #endif
 393 #ifndef elf_backend_section_processing
 394 #define elf_backend_section_processing  0
 395 #endif
 396 #ifndef elf_backend_section_from_shdr
 397 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 398 #endif
 399 #ifndef elf_backend_section_flags
 400 #define elf_backend_section_flags       0
 401 #endif
 402 #ifndef elf_backend_get_sec_type_attr
 403 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 404 #endif
 405 #ifndef elf_backend_section_from_phdr
 406 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 407 #endif
 408 #ifndef elf_backend_fake_sections
 409 #define elf_backend_fake_sections       0
 410 #endif
 411 #ifndef elf_backend_section_from_bfd_section
 412 #define elf_backend_section_from_bfd_section    0
 413 #endif
 414 #ifndef elf_backend_add_symbol_hook
 415 #define elf_backend_add_symbol_hook     0
 416 #endif
 417 #ifndef elf_backend_link_output_symbol_hook
 418 #define elf_backend_link_output_symbol_hook 0
 419 #endif
 420 #ifndef elf_backend_create_dynamic_sections
 421 #define elf_backend_create_dynamic_sections 0
 422 #endif
 423 #ifndef elf_backend_omit_section_dynsym
 424 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 425 #endif
 426 #ifndef elf_backend_relocs_compatible
 427 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 428 #endif
 429 #ifndef elf_backend_check_relocs
 430 #define elf_backend_check_relocs        0
 431 #endif
 432 #ifndef elf_backend_check_directives
 433 #define elf_backend_check_directives    0
 434 #endif
 435 #ifndef elf_backend_notice_as_needed
 436 #define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
 437 #endif
 438 #ifndef elf_backend_adjust_dynamic_symbol
 439 #define elf_backend_adjust_dynamic_symbol 0
 440 #endif
 441 #ifndef elf_backend_always_size_sections
 442 #define elf_backend_always_size_sections 0
 443 #endif
 444 #ifndef elf_backend_size_dynamic_sections
 445 #define elf_backend_size_dynamic_sections 0
 446 #endif
 447 #ifndef elf_backend_init_index_section
 448 #define elf_backend_init_index_section \
 449  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 450 #endif
 451 #ifndef elf_backend_relocate_section
 452 #define elf_backend_relocate_section    0
 453 #endif
 454 #ifndef elf_backend_finish_dynamic_symbol
 455 #define elf_backend_finish_dynamic_symbol       0
 456 #endif
 457 #ifndef elf_backend_finish_dynamic_sections
 458 #define elf_backend_finish_dynamic_sections     0
 459 #endif
 460 #ifndef elf_backend_begin_write_processing
 461 #define elf_backend_begin_write_processing      0
 462 #endif
 463 #ifndef elf_backend_final_write_processing
 464 #define elf_backend_final_write_processing      0
 465 #endif
 466 #ifndef elf_backend_additional_program_headers
 467 #define elf_backend_additional_program_headers  0
 468 #endif
 469 #ifndef elf_backend_modify_segment_map
 470 #define elf_backend_modify_segment_map  0
 471 #endif
 472 #ifndef elf_backend_modify_program_headers
 473 #define elf_backend_modify_program_headers      0
 474 #endif
 475 #ifndef elf_backend_ecoff_debug_swap
 476 #define elf_backend_ecoff_debug_swap    0
 477 #endif
 478 #ifndef elf_backend_bfd_from_remote_memory
 479 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 480 #endif
 481 #ifndef elf_backend_got_header_size
 482 #define elf_backend_got_header_size     0
 483 #endif
 484 #ifndef elf_backend_got_elt_size
 485 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 486 #endif
 487 #ifndef elf_backend_obj_attrs_vendor
 488 #define elf_backend_obj_attrs_vendor            NULL
 489 #endif
 490 #ifndef elf_backend_obj_attrs_section
 491 #define elf_backend_obj_attrs_section           NULL
 492 #endif
 493 #ifndef elf_backend_obj_attrs_arg_type
 494 #define elf_backend_obj_attrs_arg_type          NULL
 495 #endif
 496 #ifndef elf_backend_obj_attrs_section_type
 497 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 498 #endif
 499 #ifndef elf_backend_obj_attrs_order
 500 #define elf_backend_obj_attrs_order             NULL
 501 #endif
 502 #ifndef elf_backend_obj_attrs_handle_unknown
 503 #define elf_backend_obj_attrs_handle_unknown    NULL
 504 #endif
 505 #ifndef elf_backend_static_tls_alignment
 506 #define elf_backend_static_tls_alignment        1
 507 #endif
 508 #ifndef elf_backend_post_process_headers
 509 #define elf_backend_post_process_headers        _bfd_elf_post_process_headers
 510 #endif
 511 #ifndef elf_backend_print_symbol_all
 512 #define elf_backend_print_symbol_all            NULL
 513 #endif
 514 #ifndef elf_backend_output_arch_local_syms
 515 #define elf_backend_output_arch_local_syms      NULL
 516 #endif
 517 #ifndef elf_backend_output_arch_syms
 518 #define elf_backend_output_arch_syms            NULL
 519 #endif
 520 #ifndef elf_backend_copy_indirect_symbol
 521 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 522 #endif
 523 #ifndef elf_backend_hide_symbol
 524 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 525 #endif
 526 #ifndef elf_backend_fixup_symbol
 527 #define elf_backend_fixup_symbol                NULL
 528 #endif
 529 #ifndef elf_backend_merge_symbol_attribute
 530 #define elf_backend_merge_symbol_attribute      NULL
 531 #endif
 532 #ifndef elf_backend_get_target_dtag
 533 #define elf_backend_get_target_dtag             NULL
 534 #endif
 535 #ifndef elf_backend_ignore_undef_symbol
 536 #define elf_backend_ignore_undef_symbol         NULL
 537 #endif
 538 #ifndef elf_backend_emit_relocs
 539 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 540 #endif
 541 #ifndef elf_backend_count_relocs
 542 #define elf_backend_count_relocs                NULL
 543 #endif
 544 #ifndef elf_backend_count_additional_relocs
 545 #define elf_backend_count_additional_relocs     NULL
 546 #endif
 547 #ifndef elf_backend_sort_relocs_p
 548 #define elf_backend_sort_relocs_p               NULL
 549 #endif
 550 #ifndef elf_backend_grok_prstatus
 551 #define elf_backend_grok_prstatus               NULL
 552 #endif
 553 #ifndef elf_backend_grok_psinfo
 554 #define elf_backend_grok_psinfo                 NULL
 555 #endif
 556 #ifndef elf_backend_write_core_note
 557 #define elf_backend_write_core_note             NULL
 558 #endif
 559 #ifndef elf_backend_lookup_section_flags_hook
 560 #define elf_backend_lookup_section_flags_hook   NULL
 561 #endif
 562 #ifndef elf_backend_reloc_type_class
 563 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 564 #endif
 565 #ifndef elf_backend_discard_info
 566 #define elf_backend_discard_info                NULL
 567 #endif
 568 #ifndef elf_backend_ignore_discarded_relocs
 569 #define elf_backend_ignore_discarded_relocs     NULL
 570 #endif
 571 #ifndef elf_backend_action_discarded
 572 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 573 #endif
 574 #ifndef elf_backend_eh_frame_address_size
 575 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 576 #endif
 577 #ifndef elf_backend_can_make_relative_eh_frame
 578 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 579 #endif
 580 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 581 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 582 #endif
 583 #ifndef elf_backend_encode_eh_address
 584 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 585 #endif
 586 #ifndef elf_backend_write_section
 587 #define elf_backend_write_section               NULL
 588 #endif
 589 #ifndef elf_backend_mips_irix_compat
 590 #define elf_backend_mips_irix_compat            NULL
 591 #endif
 592 #ifndef elf_backend_mips_rtype_to_howto
 593 #define elf_backend_mips_rtype_to_howto         NULL
 594 #endif
 595
 596 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 597    sections, but not both.  They defined USE_REL to indicate SHT_REL
 598    sections, and left it undefined to indicated SHT_RELA sections.
 599    For backwards compatibility, we still support this usage.  */
 600 #ifndef USE_REL
 601 #define USE_REL 0
 602 #endif
 603
 604 /* Use these in new code.  */
 605 #ifndef elf_backend_may_use_rel_p
 606 #define elf_backend_may_use_rel_p USE_REL
 607 #endif
 608 #ifndef elf_backend_may_use_rela_p
 609 #define elf_backend_may_use_rela_p !USE_REL
 610 #endif
 611 #ifndef elf_backend_default_use_rela_p
 612 #define elf_backend_default_use_rela_p !USE_REL
 613 #endif
 614 #ifndef elf_backend_rela_plts_and_copies_p
 615 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 616 #endif
 617
 618 #ifndef elf_backend_rela_normal
 619 #define elf_backend_rela_normal 0
 620 #endif
 621
 622 #ifndef elf_backend_plt_sym_val
 623 #define elf_backend_plt_sym_val NULL
 624 #endif
 625 #ifndef elf_backend_relplt_name
 626 #define elf_backend_relplt_name NULL
 627 #endif
 628
 629 #ifndef ELF_MACHINE_ALT1
 630 #define ELF_MACHINE_ALT1 0
 631 #endif
 632
 633 #ifndef ELF_MACHINE_ALT2
 634 #define ELF_MACHINE_ALT2 0
 635 #endif
 636
 637 #ifndef elf_backend_size_info
 638 #define elf_backend_size_info _bfd_elfNN_size_info
 639 #endif
 640
 641 #ifndef elf_backend_special_sections
 642 #define elf_backend_special_sections NULL
 643 #endif
 644
 645 #ifndef elf_backend_sign_extend_vma
 646 #define elf_backend_sign_extend_vma 0
 647 #endif
 648
 649 #ifndef elf_backend_link_order_error_handler
 650 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 651 #endif
 652
 653 #ifndef elf_backend_common_definition
 654 #define elf_backend_common_definition _bfd_elf_common_definition
 655 #endif
 656
 657 #ifndef elf_backend_common_section_index
 658 #define elf_backend_common_section_index _bfd_elf_common_section_index
 659 #endif
 660
 661 #ifndef elf_backend_common_section
 662 #define elf_backend_common_section _bfd_elf_common_section
 663 #endif
 664
 665 #ifndef elf_backend_merge_symbol
 666 #define elf_backend_merge_symbol NULL
 667 #endif
 668
 669 #ifndef elf_backend_hash_symbol
 670 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 671 #endif
 672
 673 #ifndef elf_backend_is_function_type
 674 #define elf_backend_is_function_type _bfd_elf_is_function_type
 675 #endif
 676
 677 #ifndef elf_backend_maybe_function_sym
 678 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 679 #endif
 680
 681 #ifndef elf_backend_get_reloc_section
 682 #define elf_backend_get_reloc_section _bfd_elf_get_reloc_section
 683 #endif
 684
 685 #ifndef elf_backend_set_special_section_info_and_link
 686 #define elf_backend_set_special_section_info_and_link NULL
 687 #endif
 688
 689 #ifndef elf_backend_compact_eh_encoding
 690 #define elf_backend_compact_eh_encoding NULL
 691 #endif
 692
 693 #ifndef elf_backend_cant_unwind_opcode
 694 #define elf_backend_cant_unwind_opcode 0
 695 #endif
 696
 697 #ifndef elf_match_priority
 698 #define elf_match_priority \
 699   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 700 #endif
 701
 702 extern const struct elf_size_info _bfd_elfNN_size_info;
 703
 704 static struct elf_backend_data elfNN_bed =
 705 {
 706   ELF_ARCH,                     /* arch */
 707   ELF_TARGET_ID,                /* target_id */
 708   ELF_MACHINE_CODE,             /* elf_machine_code */
 709   ELF_OSABI,                    /* elf_osabi  */
 710   ELF_MAXPAGESIZE,              /* maxpagesize */
 711   ELF_MINPAGESIZE,              /* minpagesize */
 712   ELF_COMMONPAGESIZE,           /* commonpagesize */
 713   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 714   elf_backend_arch_data,
 715   elf_info_to_howto,
 716   elf_info_to_howto_rel,
 717   elf_backend_sym_is_global,
 718   elf_backend_object_p,
 719   elf_backend_symbol_processing,
 720   elf_backend_symbol_table_processing,
 721   elf_backend_get_symbol_type,
 722   elf_backend_archive_symbol_lookup,
 723   elf_backend_name_local_section_symbols,
 724   elf_backend_section_processing,
 725   elf_backend_section_from_shdr,
 726   elf_backend_section_flags,
 727   elf_backend_get_sec_type_attr,
 728   elf_backend_section_from_phdr,
 729   elf_backend_fake_sections,
 730   elf_backend_section_from_bfd_section,
 731   elf_backend_add_symbol_hook,
 732   elf_backend_link_output_symbol_hook,
 733   elf_backend_create_dynamic_sections,
 734   elf_backend_omit_section_dynsym,
 735   elf_backend_relocs_compatible,
 736   elf_backend_check_relocs,
 737   elf_backend_check_directives,
 738   elf_backend_notice_as_needed,
 739   elf_backend_adjust_dynamic_symbol,
 740   elf_backend_always_size_sections,
 741   elf_backend_size_dynamic_sections,
 742   elf_backend_init_index_section,
 743   elf_backend_relocate_section,
 744   elf_backend_finish_dynamic_symbol,
 745   elf_backend_finish_dynamic_sections,
 746   elf_backend_begin_write_processing,
 747   elf_backend_final_write_processing,
 748   elf_backend_additional_program_headers,
 749   elf_backend_modify_segment_map,
 750   elf_backend_modify_program_headers,
 751   elf_backend_gc_keep,
 752   elf_backend_gc_mark_dynamic_ref,
 753   elf_backend_gc_mark_hook,
 754   elf_backend_gc_mark_extra_sections,
 755   elf_backend_gc_sweep_hook,
 756   elf_backend_post_process_headers,
 757   elf_backend_print_symbol_all,
 758   elf_backend_output_arch_local_syms,
 759   elf_backend_output_arch_syms,
 760   elf_backend_copy_indirect_symbol,
 761   elf_backend_hide_symbol,
 762   elf_backend_fixup_symbol,
 763   elf_backend_merge_symbol_attribute,
 764   elf_backend_get_target_dtag,
 765   elf_backend_ignore_undef_symbol,
 766   elf_backend_emit_relocs,
 767   elf_backend_count_relocs,
 768   elf_backend_count_additional_relocs,
 769   elf_backend_sort_relocs_p,
 770   elf_backend_grok_prstatus,
 771   elf_backend_grok_psinfo,
 772   elf_backend_write_core_note,
 773   elf_backend_lookup_section_flags_hook,
 774   elf_backend_reloc_type_class,
 775   elf_backend_discard_info,
 776   elf_backend_ignore_discarded_relocs,
 777   elf_backend_action_discarded,
 778   elf_backend_eh_frame_address_size,
 779   elf_backend_can_make_relative_eh_frame,
 780   elf_backend_can_make_lsda_relative_eh_frame,
 781   elf_backend_encode_eh_address,
 782   elf_backend_write_section,
 783   elf_backend_mips_irix_compat,
 784   elf_backend_mips_rtype_to_howto,
 785   elf_backend_ecoff_debug_swap,
 786   elf_backend_bfd_from_remote_memory,
 787   elf_backend_plt_sym_val,
 788   elf_backend_common_definition,
 789   elf_backend_common_section_index,
 790   elf_backend_common_section,
 791   elf_backend_merge_symbol,
 792   elf_backend_hash_symbol,
 793   elf_backend_is_function_type,
 794   elf_backend_maybe_function_sym,
 795   elf_backend_get_reloc_section,
 796   elf_backend_set_special_section_info_and_link,
 797   elf_backend_link_order_error_handler,
 798   elf_backend_relplt_name,
 799   ELF_MACHINE_ALT1,
 800   ELF_MACHINE_ALT2,
 801   &elf_backend_size_info,
 802   elf_backend_special_sections,
 803   elf_backend_got_header_size,
 804   elf_backend_got_elt_size,
 805   elf_backend_obj_attrs_vendor,
 806   elf_backend_obj_attrs_section,
 807   elf_backend_obj_attrs_arg_type,
 808   elf_backend_obj_attrs_section_type,
 809   elf_backend_obj_attrs_order,
 810   elf_backend_obj_attrs_handle_unknown,
 811   elf_backend_compact_eh_encoding,
 812   elf_backend_cant_unwind_opcode,
 813   elf_backend_static_tls_alignment,
 814   elf_backend_stack_align,
 815   elf_backend_strtab_flags,
 816   elf_backend_collect,
 817   elf_backend_type_change_ok,
 818   elf_backend_may_use_rel_p,
 819   elf_backend_may_use_rela_p,
 820   elf_backend_default_use_rela_p,
 821   elf_backend_rela_plts_and_copies_p,
 822   elf_backend_rela_normal,
 823   elf_backend_sign_extend_vma,
 824   elf_backend_want_got_plt,
 825   elf_backend_plt_readonly,
 826   elf_backend_want_plt_sym,
 827   elf_backend_plt_not_loaded,
 828   elf_backend_plt_alignment,
 829   elf_backend_can_gc_sections,
 830   elf_backend_can_refcount,
 831   elf_backend_want_got_sym,
 832   elf_backend_want_dynbss,
 833   elf_backend_want_p_paddr_set_to_zero,
 834   elf_backend_default_execstack,
 835   elf_backend_caches_rawsize,
 836   elf_backend_extern_protected_data
 837 };
 838
 839 /* Forward declaration for use when initialising alternative_target field.  */
 840 #ifdef TARGET_LITTLE_SYM
 841 extern const bfd_target TARGET_LITTLE_SYM;
 842 #endif
 843
 844 #ifdef TARGET_BIG_SYM
 845 const bfd_target TARGET_BIG_SYM =
 846 {
 847   /* name: identify kind of target */
 848   TARGET_BIG_NAME,
 849
 850   /* flavour: general indication about file */
 851   bfd_target_elf_flavour,
 852
 853   /* byteorder: data is big endian */
 854   BFD_ENDIAN_BIG,
 855
 856   /* header_byteorder: header is also big endian */
 857   BFD_ENDIAN_BIG,
 858
 859   /* object_flags: mask of all file flags */
 860   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 861    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 862    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 863
 864   /* section_flags: mask of all section flags */
 865   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 866    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 867    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 868
 869    /* leading_symbol_char: is the first char of a user symbol
 870       predictable, and if so what is it */
 871   elf_symbol_leading_char,
 872
 873   /* ar_pad_char: pad character for filenames within an archive header
 874      FIXME:  this really has nothing to do with ELF, this is a characteristic
 875      of the archiver and/or os and should be independently tunable */
 876   '/',
 877
 878   /* ar_max_namelen: maximum number of characters in an archive header
 879      FIXME:  this really has nothing to do with ELF, this is a characteristic
 880      of the archiver and should be independently tunable.  The System V ABI,
 881      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 882   15,
 883
 884   elf_match_priority,
 885
 886   /* Routines to byte-swap various sized integers from the data sections */
 887   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 888     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 889     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 890
 891   /* Routines to byte-swap various sized integers from the file headers */
 892   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 893     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 894     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 895
 896   /* bfd_check_format: check the format of a file being read */
 897   { _bfd_dummy_target,          /* unknown format */
 898     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 899     bfd_elfNN_archive_p,        /* an archive */
 900     bfd_elfNN_core_file_p       /* a core file */
 901   },
 902
 903   /* bfd_set_format: set the format of a file being written */
 904   { bfd_false,
 905     bfd_elfNN_mkobject,
 906     bfd_elfNN_mkarchive,
 907     bfd_elfNN_mkcorefile
 908   },
 909
 910   /* bfd_write_contents: write cached information into a file being written */
 911   { bfd_false,
 912     bfd_elfNN_write_object_contents,
 913     bfd_elfNN_write_archive_contents,
 914     bfd_elfNN_write_corefile_contents,
 915   },
 916
 917   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 918   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 919   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 920 #ifdef bfd_elfNN_archive_functions
 921   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 922 #else
 923   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 924 #endif
 925   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 926   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 927   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 928   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 929   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 930
 931   /* Alternative endian target.  */
 932 #ifdef TARGET_LITTLE_SYM
 933   & TARGET_LITTLE_SYM,
 934 #else
 935   NULL,
 936 #endif
 937
 938   /* backend_data: */
 939   &elfNN_bed
 940 };
 941 #endif
 942
 943 #ifdef TARGET_LITTLE_SYM
 944 const bfd_target TARGET_LITTLE_SYM =
 945 {
 946   /* name: identify kind of target */
 947   TARGET_LITTLE_NAME,
 948
 949   /* flavour: general indication about file */
 950   bfd_target_elf_flavour,
 951
 952   /* byteorder: data is little endian */
 953   BFD_ENDIAN_LITTLE,
 954
 955   /* header_byteorder: header is also little endian */
 956   BFD_ENDIAN_LITTLE,
 957
 958   /* object_flags: mask of all file flags */
 959   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 960    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS
 961    | BFD_COMPRESS_GABI | BFD_CONVERT_ELF_COMMON | BFD_USE_ELF_STT_COMMON),
 962
 963   /* section_flags: mask of all section flags */
 964   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 965    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 966    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 967
 968    /* leading_symbol_char: is the first char of a user symbol
 969       predictable, and if so what is it */
 970   elf_symbol_leading_char,
 971
 972   /* ar_pad_char: pad character for filenames within an archive header
 973      FIXME:  this really has nothing to do with ELF, this is a characteristic
 974      of the archiver and/or os and should be independently tunable */
 975   '/',
 976
 977   /* ar_max_namelen: maximum number of characters in an archive header
 978      FIXME:  this really has nothing to do with ELF, this is a characteristic
 979      of the archiver and should be independently tunable.  The System V ABI,
 980      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 981   15,
 982
 983   elf_match_priority,
 984
 985   /* Routines to byte-swap various sized integers from the data sections */
 986   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 987     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 988     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 989
 990   /* Routines to byte-swap various sized integers from the file headers */
 991   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 992     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 993     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 994
 995   /* bfd_check_format: check the format of a file being read */
 996   { _bfd_dummy_target,          /* unknown format */
 997     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 998     bfd_elfNN_archive_p,        /* an archive */
 999     bfd_elfNN_core_file_p       /* a core file */
1000   },
1001
1002   /* bfd_set_format: set the format of a file being written */
1003   { bfd_false,
1004     bfd_elfNN_mkobject,
1005     bfd_elfNN_mkarchive,
1006     bfd_elfNN_mkcorefile
1007   },
1008
1009   /* bfd_write_contents: write cached information into a file being written */
1010   { bfd_false,
1011     bfd_elfNN_write_object_contents,
1012     bfd_elfNN_write_archive_contents,
1013     bfd_elfNN_write_corefile_contents,
1014   },
1015
1016   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
1017   BFD_JUMP_TABLE_COPY (bfd_elfNN),
1018   BFD_JUMP_TABLE_CORE (bfd_elfNN),
1019 #ifdef bfd_elfNN_archive_functions
1020   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
1021 #else
1022   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
1023 #endif
1024   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
1025   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
1026   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
1027   BFD_JUMP_TABLE_LINK (bfd_elfNN),
1028   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
1029
1030   /* Alternative endian target.  */
1031 #ifdef TARGET_BIG_SYM
1032   & TARGET_BIG_SYM,
1033 #else
1034   NULL,
1035 #endif
1036
1037   /* backend_data: */
1038   &elfNN_bed
1039 };
1040 #endif