bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright (C) 1993-2014 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_inliner_info
  53 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  54 #endif
  55 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  56 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  57 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  58   _bfd_elf_get_dynamic_symtab_upper_bound
  59 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  60 #ifndef bfd_elfNN_get_reloc_upper_bound
  61 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  62 #endif
  63 #ifndef bfd_elfNN_get_symbol_info
  64 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  65 #endif
  66 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  67 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  68 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  69 #ifndef bfd_elfNN_new_section_hook
  70 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  71 #endif
  72 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  73 #ifndef bfd_elfNN_set_section_contents
  74 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  75 #endif
  76 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  77 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  78 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  79
  80 #define bfd_elfNN_get_section_contents_in_window \
  81   _bfd_generic_get_section_contents_in_window
  82
  83 #ifndef elf_backend_can_refcount
  84 #define elf_backend_can_refcount 0
  85 #endif
  86 #ifndef elf_backend_want_got_plt
  87 #define elf_backend_want_got_plt 0
  88 #endif
  89 #ifndef elf_backend_plt_readonly
  90 #define elf_backend_plt_readonly 0
  91 #endif
  92 #ifndef elf_backend_want_plt_sym
  93 #define elf_backend_want_plt_sym 0
  94 #endif
  95 #ifndef elf_backend_plt_not_loaded
  96 #define elf_backend_plt_not_loaded 0
  97 #endif
  98 #ifndef elf_backend_plt_alignment
  99 #define elf_backend_plt_alignment 2
 100 #endif
 101 #ifndef elf_backend_want_dynbss
 102 #define elf_backend_want_dynbss 1
 103 #endif
 104 #ifndef elf_backend_want_p_paddr_set_to_zero
 105 #define elf_backend_want_p_paddr_set_to_zero 0
 106 #endif
 107 #ifndef elf_backend_default_execstack
 108 #define elf_backend_default_execstack 1
 109 #endif
 110 #ifndef elf_backend_caches_rawsize
 111 #define elf_backend_caches_rawsize 0
 112 #endif
 113 #ifndef elf_backend_stack_align
 114 #define elf_backend_stack_align 16
 115 #endif
 116
 117 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 118 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 119 #define bfd_elfNN_bfd_debug_info_accumulate \
 120   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 121
 122 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 123 #define bfd_elfNN_bfd_get_relocated_section_contents \
 124   bfd_generic_get_relocated_section_contents
 125 #endif
 126
 127 #ifndef bfd_elfNN_bfd_relax_section
 128 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 129 #endif
 130
 131 #ifndef elf_backend_can_gc_sections
 132 #define elf_backend_can_gc_sections 0
 133 #endif
 134 #ifndef elf_backend_can_refcount
 135 #define elf_backend_can_refcount 0
 136 #endif
 137 #ifndef elf_backend_want_got_sym
 138 #define elf_backend_want_got_sym 1
 139 #endif
 140 #ifndef elf_backend_gc_keep
 141 #define elf_backend_gc_keep             _bfd_elf_gc_keep
 142 #endif
 143 #ifndef elf_backend_gc_mark_dynamic_ref
 144 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 145 #endif
 146 #ifndef elf_backend_gc_mark_hook
 147 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 148 #endif
 149 #ifndef elf_backend_gc_mark_extra_sections
 150 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections
 151 #endif
 152 #ifndef elf_backend_gc_sweep_hook
 153 #define elf_backend_gc_sweep_hook       NULL
 154 #endif
 155 #ifndef bfd_elfNN_bfd_gc_sections
 156 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 157 #endif
 158
 159 #ifndef bfd_elfNN_bfd_merge_sections
 160 #define bfd_elfNN_bfd_merge_sections \
 161   _bfd_elf_merge_sections
 162 #endif
 163
 164 #ifndef bfd_elfNN_bfd_is_group_section
 165 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 166 #endif
 167
 168 #ifndef bfd_elfNN_bfd_discard_group
 169 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 170 #endif
 171
 172 #ifndef bfd_elfNN_section_already_linked
 173 #define bfd_elfNN_section_already_linked \
 174   _bfd_elf_section_already_linked
 175 #endif
 176
 177 #ifndef bfd_elfNN_bfd_define_common_symbol
 178 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol
 179 #endif
 180
 181 #ifndef bfd_elfNN_bfd_lookup_section_flags
 182 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags
 183 #endif
 184
 185 #ifndef bfd_elfNN_bfd_make_debug_symbol
 186 #define bfd_elfNN_bfd_make_debug_symbol \
 187   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 188 #endif
 189
 190 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 191 #define bfd_elfNN_bfd_copy_private_symbol_data \
 192   _bfd_elf_copy_private_symbol_data
 193 #endif
 194
 195 #ifndef bfd_elfNN_bfd_copy_private_section_data
 196 #define bfd_elfNN_bfd_copy_private_section_data \
 197   _bfd_elf_copy_private_section_data
 198 #endif
 199 #ifndef bfd_elfNN_bfd_copy_private_header_data
 200 #define bfd_elfNN_bfd_copy_private_header_data \
 201   _bfd_elf_copy_private_header_data
 202 #endif
 203 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 204 #define bfd_elfNN_bfd_copy_private_bfd_data \
 205   _bfd_elf_copy_private_bfd_data
 206 #endif
 207 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 208 #define bfd_elfNN_bfd_print_private_bfd_data \
 209   _bfd_elf_print_private_bfd_data
 210 #endif
 211 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 212 #define bfd_elfNN_bfd_merge_private_bfd_data \
 213   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 214 #endif
 215 #ifndef bfd_elfNN_bfd_set_private_flags
 216 #define bfd_elfNN_bfd_set_private_flags \
 217   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 218 #endif
 219 #ifndef bfd_elfNN_bfd_is_local_label_name
 220 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 221 #endif
 222 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 223 #define bfd_elfNN_bfd_is_target_special_symbol \
 224   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 225 #endif
 226
 227 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 228 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 229   _bfd_elf_get_dynamic_reloc_upper_bound
 230 #endif
 231 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 232 #define bfd_elfNN_canonicalize_dynamic_reloc \
 233   _bfd_elf_canonicalize_dynamic_reloc
 234 #endif
 235
 236 #ifdef elf_backend_relocate_section
 237 #ifndef bfd_elfNN_bfd_link_hash_table_create
 238 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 239 #endif
 240 #ifndef bfd_elfNN_bfd_link_hash_table_free
 241 #define bfd_elfNN_bfd_link_hash_table_free _bfd_elf_link_hash_table_free
 242 #endif
 243 #ifndef bfd_elfNN_bfd_link_add_symbols
 244 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 245 #endif
 246 #ifndef bfd_elfNN_bfd_final_link
 247 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 248 #endif
 249 #else /* ! defined (elf_backend_relocate_section) */
 250 /* If no backend relocate_section routine, use the generic linker.
 251    Note - this will prevent the port from being able to use some of
 252    the other features of the ELF linker, because the generic hash structure
 253    does not have the fields needed by the ELF linker.  In particular it
 254    means that linking directly to S-records will not work.  */
 255 #ifndef bfd_elfNN_bfd_link_hash_table_create
 256 #define bfd_elfNN_bfd_link_hash_table_create \
 257   _bfd_generic_link_hash_table_create
 258 #endif
 259 #ifndef bfd_elfNN_bfd_link_hash_table_free
 260 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 261 #endif
 262 #ifndef bfd_elfNN_bfd_link_add_symbols
 263 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 264 #endif
 265 #ifndef bfd_elfNN_bfd_final_link
 266 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 267 #endif
 268 #endif /* ! defined (elf_backend_relocate_section) */
 269
 270 #ifndef bfd_elfNN_bfd_link_just_syms
 271 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 272 #endif
 273
 274 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type
 275 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \
 276   _bfd_elf_copy_link_hash_symbol_type
 277 #endif
 278
 279 #ifndef bfd_elfNN_bfd_link_split_section
 280 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 281 #endif
 282
 283 #ifndef bfd_elfNN_archive_p
 284 #define bfd_elfNN_archive_p bfd_generic_archive_p
 285 #endif
 286
 287 #ifndef bfd_elfNN_write_archive_contents
 288 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 289 #endif
 290
 291 #ifndef bfd_elfNN_mkobject
 292 #define bfd_elfNN_mkobject bfd_elf_make_object
 293 #endif
 294
 295 #ifndef bfd_elfNN_mkcorefile
 296 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 297 #endif
 298
 299 #ifndef bfd_elfNN_mkarchive
 300 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 301 #endif
 302
 303 #ifndef bfd_elfNN_print_symbol
 304 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 305 #endif
 306
 307 #ifndef elf_symbol_leading_char
 308 #define elf_symbol_leading_char 0
 309 #endif
 310
 311 #ifndef elf_info_to_howto
 312 #define elf_info_to_howto 0
 313 #endif
 314
 315 #ifndef elf_info_to_howto_rel
 316 #define elf_info_to_howto_rel 0
 317 #endif
 318
 319 #ifndef elf_backend_arch_data
 320 #define elf_backend_arch_data NULL
 321 #endif
 322
 323 #ifndef ELF_TARGET_ID
 324 #define ELF_TARGET_ID   GENERIC_ELF_DATA
 325 #endif
 326
 327 #ifndef ELF_OSABI
 328 #define ELF_OSABI ELFOSABI_NONE
 329 #endif
 330
 331 #ifndef ELF_MAXPAGESIZE
 332 # error ELF_MAXPAGESIZE is not defined
 333 #define ELF_MAXPAGESIZE 1
 334 #endif
 335
 336 #ifndef ELF_COMMONPAGESIZE
 337 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 338 #endif
 339
 340 #ifndef ELF_MINPAGESIZE
 341 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 342 #endif
 343
 344 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 345 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 346 #endif
 347 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 348 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 349 #endif
 350
 351 #ifndef ELF_DYNAMIC_SEC_FLAGS
 352 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 353 #define ELF_DYNAMIC_SEC_FLAGS                   \
 354   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 355    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 356 #endif
 357
 358 #ifndef elf_backend_collect
 359 #define elf_backend_collect FALSE
 360 #endif
 361 #ifndef elf_backend_type_change_ok
 362 #define elf_backend_type_change_ok FALSE
 363 #endif
 364
 365 #ifndef elf_backend_sym_is_global
 366 #define elf_backend_sym_is_global       0
 367 #endif
 368 #ifndef elf_backend_object_p
 369 #define elf_backend_object_p            0
 370 #endif
 371 #ifndef elf_backend_symbol_processing
 372 #define elf_backend_symbol_processing   0
 373 #endif
 374 #ifndef elf_backend_symbol_table_processing
 375 #define elf_backend_symbol_table_processing     0
 376 #endif
 377 #ifndef elf_backend_get_symbol_type
 378 #define elf_backend_get_symbol_type 0
 379 #endif
 380 #ifndef elf_backend_archive_symbol_lookup
 381 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 382 #endif
 383 #ifndef elf_backend_name_local_section_symbols
 384 #define elf_backend_name_local_section_symbols  0
 385 #endif
 386 #ifndef elf_backend_section_processing
 387 #define elf_backend_section_processing  0
 388 #endif
 389 #ifndef elf_backend_section_from_shdr
 390 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 391 #endif
 392 #ifndef elf_backend_section_flags
 393 #define elf_backend_section_flags       0
 394 #endif
 395 #ifndef elf_backend_get_sec_type_attr
 396 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 397 #endif
 398 #ifndef elf_backend_section_from_phdr
 399 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 400 #endif
 401 #ifndef elf_backend_fake_sections
 402 #define elf_backend_fake_sections       0
 403 #endif
 404 #ifndef elf_backend_section_from_bfd_section
 405 #define elf_backend_section_from_bfd_section    0
 406 #endif
 407 #ifndef elf_backend_add_symbol_hook
 408 #define elf_backend_add_symbol_hook     0
 409 #endif
 410 #ifndef elf_backend_link_output_symbol_hook
 411 #define elf_backend_link_output_symbol_hook 0
 412 #endif
 413 #ifndef elf_backend_create_dynamic_sections
 414 #define elf_backend_create_dynamic_sections 0
 415 #endif
 416 #ifndef elf_backend_omit_section_dynsym
 417 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 418 #endif
 419 #ifndef elf_backend_relocs_compatible
 420 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 421 #endif
 422 #ifndef elf_backend_check_relocs
 423 #define elf_backend_check_relocs        0
 424 #endif
 425 #ifndef elf_backend_check_directives
 426 #define elf_backend_check_directives    0
 427 #endif
 428 #ifndef elf_backend_notice_as_needed
 429 #define elf_backend_notice_as_needed    _bfd_elf_notice_as_needed
 430 #endif
 431 #ifndef elf_backend_adjust_dynamic_symbol
 432 #define elf_backend_adjust_dynamic_symbol 0
 433 #endif
 434 #ifndef elf_backend_always_size_sections
 435 #define elf_backend_always_size_sections 0
 436 #endif
 437 #ifndef elf_backend_size_dynamic_sections
 438 #define elf_backend_size_dynamic_sections 0
 439 #endif
 440 #ifndef elf_backend_init_index_section
 441 #define elf_backend_init_index_section \
 442  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 443 #endif
 444 #ifndef elf_backend_relocate_section
 445 #define elf_backend_relocate_section    0
 446 #endif
 447 #ifndef elf_backend_finish_dynamic_symbol
 448 #define elf_backend_finish_dynamic_symbol       0
 449 #endif
 450 #ifndef elf_backend_finish_dynamic_sections
 451 #define elf_backend_finish_dynamic_sections     0
 452 #endif
 453 #ifndef elf_backend_begin_write_processing
 454 #define elf_backend_begin_write_processing      0
 455 #endif
 456 #ifndef elf_backend_final_write_processing
 457 #define elf_backend_final_write_processing      0
 458 #endif
 459 #ifndef elf_backend_additional_program_headers
 460 #define elf_backend_additional_program_headers  0
 461 #endif
 462 #ifndef elf_backend_modify_segment_map
 463 #define elf_backend_modify_segment_map  0
 464 #endif
 465 #ifndef elf_backend_modify_program_headers
 466 #define elf_backend_modify_program_headers      0
 467 #endif
 468 #ifndef elf_backend_ecoff_debug_swap
 469 #define elf_backend_ecoff_debug_swap    0
 470 #endif
 471 #ifndef elf_backend_bfd_from_remote_memory
 472 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 473 #endif
 474 #ifndef elf_backend_got_header_size
 475 #define elf_backend_got_header_size     0
 476 #endif
 477 #ifndef elf_backend_got_elt_size
 478 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size
 479 #endif
 480 #ifndef elf_backend_obj_attrs_vendor
 481 #define elf_backend_obj_attrs_vendor            NULL
 482 #endif
 483 #ifndef elf_backend_obj_attrs_section
 484 #define elf_backend_obj_attrs_section           NULL
 485 #endif
 486 #ifndef elf_backend_obj_attrs_arg_type
 487 #define elf_backend_obj_attrs_arg_type          NULL
 488 #endif
 489 #ifndef elf_backend_obj_attrs_section_type
 490 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 491 #endif
 492 #ifndef elf_backend_obj_attrs_order
 493 #define elf_backend_obj_attrs_order             NULL
 494 #endif
 495 #ifndef elf_backend_obj_attrs_handle_unknown
 496 #define elf_backend_obj_attrs_handle_unknown    NULL
 497 #endif
 498 #ifndef elf_backend_static_tls_alignment
 499 #define elf_backend_static_tls_alignment        1
 500 #endif
 501 #ifndef elf_backend_post_process_headers
 502 #define elf_backend_post_process_headers        _bfd_elf_post_process_headers
 503 #endif
 504 #ifndef elf_backend_print_symbol_all
 505 #define elf_backend_print_symbol_all            NULL
 506 #endif
 507 #ifndef elf_backend_output_arch_local_syms
 508 #define elf_backend_output_arch_local_syms      NULL
 509 #endif
 510 #ifndef elf_backend_output_arch_syms
 511 #define elf_backend_output_arch_syms            NULL
 512 #endif
 513 #ifndef elf_backend_copy_indirect_symbol
 514 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 515 #endif
 516 #ifndef elf_backend_hide_symbol
 517 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 518 #endif
 519 #ifndef elf_backend_fixup_symbol
 520 #define elf_backend_fixup_symbol                NULL
 521 #endif
 522 #ifndef elf_backend_merge_symbol_attribute
 523 #define elf_backend_merge_symbol_attribute      NULL
 524 #endif
 525 #ifndef elf_backend_get_target_dtag
 526 #define elf_backend_get_target_dtag             NULL
 527 #endif
 528 #ifndef elf_backend_ignore_undef_symbol
 529 #define elf_backend_ignore_undef_symbol         NULL
 530 #endif
 531 #ifndef elf_backend_emit_relocs
 532 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 533 #endif
 534 #ifndef elf_backend_count_relocs
 535 #define elf_backend_count_relocs                NULL
 536 #endif
 537 #ifndef elf_backend_grok_prstatus
 538 #define elf_backend_grok_prstatus               NULL
 539 #endif
 540 #ifndef elf_backend_grok_psinfo
 541 #define elf_backend_grok_psinfo                 NULL
 542 #endif
 543 #ifndef elf_backend_write_core_note
 544 #define elf_backend_write_core_note             NULL
 545 #endif
 546 #ifndef elf_backend_lookup_section_flags_hook
 547 #define elf_backend_lookup_section_flags_hook   NULL
 548 #endif
 549 #ifndef elf_backend_reloc_type_class
 550 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 551 #endif
 552 #ifndef elf_backend_discard_info
 553 #define elf_backend_discard_info                NULL
 554 #endif
 555 #ifndef elf_backend_ignore_discarded_relocs
 556 #define elf_backend_ignore_discarded_relocs     NULL
 557 #endif
 558 #ifndef elf_backend_action_discarded
 559 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 560 #endif
 561 #ifndef elf_backend_eh_frame_address_size
 562 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 563 #endif
 564 #ifndef elf_backend_can_make_relative_eh_frame
 565 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 566 #endif
 567 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 568 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 569 #endif
 570 #ifndef elf_backend_encode_eh_address
 571 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 572 #endif
 573 #ifndef elf_backend_write_section
 574 #define elf_backend_write_section               NULL
 575 #endif
 576 #ifndef elf_backend_mips_irix_compat
 577 #define elf_backend_mips_irix_compat            NULL
 578 #endif
 579 #ifndef elf_backend_mips_rtype_to_howto
 580 #define elf_backend_mips_rtype_to_howto         NULL
 581 #endif
 582
 583 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 584    sections, but not both.  They defined USE_REL to indicate SHT_REL
 585    sections, and left it undefined to indicated SHT_RELA sections.
 586    For backwards compatibility, we still support this usage.  */
 587 #ifndef USE_REL
 588 #define USE_REL 0
 589 #endif
 590
 591 /* Use these in new code.  */
 592 #ifndef elf_backend_may_use_rel_p
 593 #define elf_backend_may_use_rel_p USE_REL
 594 #endif
 595 #ifndef elf_backend_may_use_rela_p
 596 #define elf_backend_may_use_rela_p !USE_REL
 597 #endif
 598 #ifndef elf_backend_default_use_rela_p
 599 #define elf_backend_default_use_rela_p !USE_REL
 600 #endif
 601 #ifndef elf_backend_rela_plts_and_copies_p
 602 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p
 603 #endif
 604
 605 #ifndef elf_backend_rela_normal
 606 #define elf_backend_rela_normal 0
 607 #endif
 608
 609 #ifndef elf_backend_plt_sym_val
 610 #define elf_backend_plt_sym_val NULL
 611 #endif
 612 #ifndef elf_backend_relplt_name
 613 #define elf_backend_relplt_name NULL
 614 #endif
 615
 616 #ifndef ELF_MACHINE_ALT1
 617 #define ELF_MACHINE_ALT1 0
 618 #endif
 619
 620 #ifndef ELF_MACHINE_ALT2
 621 #define ELF_MACHINE_ALT2 0
 622 #endif
 623
 624 #ifndef elf_backend_size_info
 625 #define elf_backend_size_info _bfd_elfNN_size_info
 626 #endif
 627
 628 #ifndef elf_backend_special_sections
 629 #define elf_backend_special_sections NULL
 630 #endif
 631
 632 #ifndef elf_backend_sign_extend_vma
 633 #define elf_backend_sign_extend_vma 0
 634 #endif
 635
 636 #ifndef elf_backend_link_order_error_handler
 637 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 638 #endif
 639
 640 #ifndef elf_backend_common_definition
 641 #define elf_backend_common_definition _bfd_elf_common_definition
 642 #endif
 643
 644 #ifndef elf_backend_common_section_index
 645 #define elf_backend_common_section_index _bfd_elf_common_section_index
 646 #endif
 647
 648 #ifndef elf_backend_common_section
 649 #define elf_backend_common_section _bfd_elf_common_section
 650 #endif
 651
 652 #ifndef elf_backend_merge_symbol
 653 #define elf_backend_merge_symbol NULL
 654 #endif
 655
 656 #ifndef elf_backend_hash_symbol
 657 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 658 #endif
 659
 660 #ifndef elf_backend_is_function_type
 661 #define elf_backend_is_function_type _bfd_elf_is_function_type
 662 #endif
 663
 664 #ifndef elf_backend_maybe_function_sym
 665 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym
 666 #endif
 667
 668 #ifndef elf_match_priority
 669 #define elf_match_priority \
 670   (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0)
 671 #endif
 672
 673 extern const struct elf_size_info _bfd_elfNN_size_info;
 674
 675 static struct elf_backend_data elfNN_bed =
 676 {
 677   ELF_ARCH,                     /* arch */
 678   ELF_TARGET_ID,                /* target_id */
 679   ELF_MACHINE_CODE,             /* elf_machine_code */
 680   ELF_OSABI,                    /* elf_osabi  */
 681   ELF_MAXPAGESIZE,              /* maxpagesize */
 682   ELF_MINPAGESIZE,              /* minpagesize */
 683   ELF_COMMONPAGESIZE,           /* commonpagesize */
 684   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 685   elf_backend_arch_data,
 686   elf_info_to_howto,
 687   elf_info_to_howto_rel,
 688   elf_backend_sym_is_global,
 689   elf_backend_object_p,
 690   elf_backend_symbol_processing,
 691   elf_backend_symbol_table_processing,
 692   elf_backend_get_symbol_type,
 693   elf_backend_archive_symbol_lookup,
 694   elf_backend_name_local_section_symbols,
 695   elf_backend_section_processing,
 696   elf_backend_section_from_shdr,
 697   elf_backend_section_flags,
 698   elf_backend_get_sec_type_attr,
 699   elf_backend_section_from_phdr,
 700   elf_backend_fake_sections,
 701   elf_backend_section_from_bfd_section,
 702   elf_backend_add_symbol_hook,
 703   elf_backend_link_output_symbol_hook,
 704   elf_backend_create_dynamic_sections,
 705   elf_backend_omit_section_dynsym,
 706   elf_backend_relocs_compatible,
 707   elf_backend_check_relocs,
 708   elf_backend_check_directives,
 709   elf_backend_notice_as_needed,
 710   elf_backend_adjust_dynamic_symbol,
 711   elf_backend_always_size_sections,
 712   elf_backend_size_dynamic_sections,
 713   elf_backend_init_index_section,
 714   elf_backend_relocate_section,
 715   elf_backend_finish_dynamic_symbol,
 716   elf_backend_finish_dynamic_sections,
 717   elf_backend_begin_write_processing,
 718   elf_backend_final_write_processing,
 719   elf_backend_additional_program_headers,
 720   elf_backend_modify_segment_map,
 721   elf_backend_modify_program_headers,
 722   elf_backend_gc_keep,
 723   elf_backend_gc_mark_dynamic_ref,
 724   elf_backend_gc_mark_hook,
 725   elf_backend_gc_mark_extra_sections,
 726   elf_backend_gc_sweep_hook,
 727   elf_backend_post_process_headers,
 728   elf_backend_print_symbol_all,
 729   elf_backend_output_arch_local_syms,
 730   elf_backend_output_arch_syms,
 731   elf_backend_copy_indirect_symbol,
 732   elf_backend_hide_symbol,
 733   elf_backend_fixup_symbol,
 734   elf_backend_merge_symbol_attribute,
 735   elf_backend_get_target_dtag,
 736   elf_backend_ignore_undef_symbol,
 737   elf_backend_emit_relocs,
 738   elf_backend_count_relocs,
 739   elf_backend_grok_prstatus,
 740   elf_backend_grok_psinfo,
 741   elf_backend_write_core_note,
 742   elf_backend_lookup_section_flags_hook,
 743   elf_backend_reloc_type_class,
 744   elf_backend_discard_info,
 745   elf_backend_ignore_discarded_relocs,
 746   elf_backend_action_discarded,
 747   elf_backend_eh_frame_address_size,
 748   elf_backend_can_make_relative_eh_frame,
 749   elf_backend_can_make_lsda_relative_eh_frame,
 750   elf_backend_encode_eh_address,
 751   elf_backend_write_section,
 752   elf_backend_mips_irix_compat,
 753   elf_backend_mips_rtype_to_howto,
 754   elf_backend_ecoff_debug_swap,
 755   elf_backend_bfd_from_remote_memory,
 756   elf_backend_plt_sym_val,
 757   elf_backend_common_definition,
 758   elf_backend_common_section_index,
 759   elf_backend_common_section,
 760   elf_backend_merge_symbol,
 761   elf_backend_hash_symbol,
 762   elf_backend_is_function_type,
 763   elf_backend_maybe_function_sym,
 764   elf_backend_link_order_error_handler,
 765   elf_backend_relplt_name,
 766   ELF_MACHINE_ALT1,
 767   ELF_MACHINE_ALT2,
 768   &elf_backend_size_info,
 769   elf_backend_special_sections,
 770   elf_backend_got_header_size,
 771   elf_backend_got_elt_size,
 772   elf_backend_obj_attrs_vendor,
 773   elf_backend_obj_attrs_section,
 774   elf_backend_obj_attrs_arg_type,
 775   elf_backend_obj_attrs_section_type,
 776   elf_backend_obj_attrs_order,
 777   elf_backend_obj_attrs_handle_unknown,
 778   elf_backend_static_tls_alignment,
 779   elf_backend_stack_align,
 780   elf_backend_collect,
 781   elf_backend_type_change_ok,
 782   elf_backend_may_use_rel_p,
 783   elf_backend_may_use_rela_p,
 784   elf_backend_default_use_rela_p,
 785   elf_backend_rela_plts_and_copies_p,
 786   elf_backend_rela_normal,
 787   elf_backend_sign_extend_vma,
 788   elf_backend_want_got_plt,
 789   elf_backend_plt_readonly,
 790   elf_backend_want_plt_sym,
 791   elf_backend_plt_not_loaded,
 792   elf_backend_plt_alignment,
 793   elf_backend_can_gc_sections,
 794   elf_backend_can_refcount,
 795   elf_backend_want_got_sym,
 796   elf_backend_want_dynbss,
 797   elf_backend_want_p_paddr_set_to_zero,
 798   elf_backend_default_execstack,
 799   elf_backend_caches_rawsize
 800 };
 801
 802 /* Forward declaration for use when initialising alternative_target field.  */
 803 #ifdef TARGET_LITTLE_SYM
 804 extern const bfd_target TARGET_LITTLE_SYM;
 805 #endif
 806
 807 #ifdef TARGET_BIG_SYM
 808 const bfd_target TARGET_BIG_SYM =
 809 {
 810   /* name: identify kind of target */
 811   TARGET_BIG_NAME,
 812
 813   /* flavour: general indication about file */
 814   bfd_target_elf_flavour,
 815
 816   /* byteorder: data is big endian */
 817   BFD_ENDIAN_BIG,
 818
 819   /* header_byteorder: header is also big endian */
 820   BFD_ENDIAN_BIG,
 821
 822   /* object_flags: mask of all file flags */
 823   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 824    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
 825
 826   /* section_flags: mask of all section flags */
 827   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 828    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 829    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 830
 831    /* leading_symbol_char: is the first char of a user symbol
 832       predictable, and if so what is it */
 833   elf_symbol_leading_char,
 834
 835   /* ar_pad_char: pad character for filenames within an archive header
 836      FIXME:  this really has nothing to do with ELF, this is a characteristic
 837      of the archiver and/or os and should be independently tunable */
 838   '/',
 839
 840   /* ar_max_namelen: maximum number of characters in an archive header
 841      FIXME:  this really has nothing to do with ELF, this is a characteristic
 842      of the archiver and should be independently tunable.  The System V ABI,
 843      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 844   15,
 845
 846   elf_match_priority,
 847
 848   /* Routines to byte-swap various sized integers from the data sections */
 849   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 850     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 851     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 852
 853   /* Routines to byte-swap various sized integers from the file headers */
 854   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 855     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 856     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 857
 858   /* bfd_check_format: check the format of a file being read */
 859   { _bfd_dummy_target,          /* unknown format */
 860     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 861     bfd_elfNN_archive_p,        /* an archive */
 862     bfd_elfNN_core_file_p       /* a core file */
 863   },
 864
 865   /* bfd_set_format: set the format of a file being written */
 866   { bfd_false,
 867     bfd_elfNN_mkobject,
 868     bfd_elfNN_mkarchive,
 869     bfd_elfNN_mkcorefile
 870   },
 871
 872   /* bfd_write_contents: write cached information into a file being written */
 873   { bfd_false,
 874     bfd_elfNN_write_object_contents,
 875     bfd_elfNN_write_archive_contents,
 876     bfd_elfNN_write_corefile_contents,
 877   },
 878
 879   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 880   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 881   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 882 #ifdef bfd_elfNN_archive_functions
 883   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 884 #else
 885   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 886 #endif
 887   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 888   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 889   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 890   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 891   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 892
 893   /* Alternative endian target.  */
 894 #ifdef TARGET_LITTLE_SYM
 895   & TARGET_LITTLE_SYM,
 896 #else
 897   NULL,
 898 #endif
 899
 900   /* backend_data: */
 901   &elfNN_bed
 902 };
 903 #endif
 904
 905 #ifdef TARGET_LITTLE_SYM
 906 const bfd_target TARGET_LITTLE_SYM =
 907 {
 908   /* name: identify kind of target */
 909   TARGET_LITTLE_NAME,
 910
 911   /* flavour: general indication about file */
 912   bfd_target_elf_flavour,
 913
 914   /* byteorder: data is little endian */
 915   BFD_ENDIAN_LITTLE,
 916
 917   /* header_byteorder: header is also little endian */
 918   BFD_ENDIAN_LITTLE,
 919
 920   /* object_flags: mask of all file flags */
 921   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 922    | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS),
 923
 924   /* section_flags: mask of all section flags */
 925   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 926    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 927    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 928
 929    /* leading_symbol_char: is the first char of a user symbol
 930       predictable, and if so what is it */
 931   elf_symbol_leading_char,
 932
 933   /* ar_pad_char: pad character for filenames within an archive header
 934      FIXME:  this really has nothing to do with ELF, this is a characteristic
 935      of the archiver and/or os and should be independently tunable */
 936   '/',
 937
 938   /* ar_max_namelen: maximum number of characters in an archive header
 939      FIXME:  this really has nothing to do with ELF, this is a characteristic
 940      of the archiver and should be independently tunable.  The System V ABI,
 941      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 942   15,
 943
 944   elf_match_priority,
 945
 946   /* Routines to byte-swap various sized integers from the data sections */
 947   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 948     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 949     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 950
 951   /* Routines to byte-swap various sized integers from the file headers */
 952   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 953     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 954     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 955
 956   /* bfd_check_format: check the format of a file being read */
 957   { _bfd_dummy_target,          /* unknown format */
 958     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 959     bfd_elfNN_archive_p,        /* an archive */
 960     bfd_elfNN_core_file_p       /* a core file */
 961   },
 962
 963   /* bfd_set_format: set the format of a file being written */
 964   { bfd_false,
 965     bfd_elfNN_mkobject,
 966     bfd_elfNN_mkarchive,
 967     bfd_elfNN_mkcorefile
 968   },
 969
 970   /* bfd_write_contents: write cached information into a file being written */
 971   { bfd_false,
 972     bfd_elfNN_write_object_contents,
 973     bfd_elfNN_write_archive_contents,
 974     bfd_elfNN_write_corefile_contents,
 975   },
 976
 977   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 978   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 979   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 980 #ifdef bfd_elfNN_archive_functions
 981   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 982 #else
 983   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 984 #endif
 985   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 986   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 987   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 988   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 989   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 990
 991   /* Alternative endian target.  */
 992 #ifdef TARGET_BIG_SYM
 993   & TARGET_BIG_SYM,
 994 #else
 995   NULL,
 996 #endif
 997
 998   /* backend_data: */
 999   &elfNN_bed
1000 };
1001 #endif