bfd/elfxx-target.h

   1 /* Target definitions for NN-bit ELF
   2    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
   3    2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
   4
   5    This file is part of BFD, the Binary File Descriptor library.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 /* This structure contains everything that BFD knows about a target.
  24    It includes things like its byte order, name, what routines to call
  25    to do various operations, etc.  Every BFD points to a target structure
  26    with its "xvec" member.
  27
  28    There are two such structures here:  one for big-endian machines and
  29    one for little-endian machines.   */
  30
  31 #ifndef bfd_elfNN_close_and_cleanup
  32 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup
  33 #endif
  34 #ifndef bfd_elfNN_bfd_free_cached_info
  35 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info
  36 #endif
  37 #ifndef bfd_elfNN_get_section_contents
  38 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents
  39 #endif
  40
  41 #define bfd_elfNN_canonicalize_dynamic_symtab \
  42   _bfd_elf_canonicalize_dynamic_symtab
  43 #ifndef bfd_elfNN_get_synthetic_symtab
  44 #define bfd_elfNN_get_synthetic_symtab \
  45   _bfd_elf_get_synthetic_symtab
  46 #endif
  47 #ifndef bfd_elfNN_canonicalize_reloc
  48 #define bfd_elfNN_canonicalize_reloc    _bfd_elf_canonicalize_reloc
  49 #endif
  50 #ifndef bfd_elfNN_find_nearest_line
  51 #define bfd_elfNN_find_nearest_line     _bfd_elf_find_nearest_line
  52 #endif
  53 #ifndef bfd_elfNN_find_inliner_info
  54 #define bfd_elfNN_find_inliner_info     _bfd_elf_find_inliner_info
  55 #endif
  56 #define bfd_elfNN_read_minisymbols      _bfd_elf_read_minisymbols
  57 #define bfd_elfNN_minisymbol_to_symbol  _bfd_elf_minisymbol_to_symbol
  58 #define bfd_elfNN_get_dynamic_symtab_upper_bound \
  59   _bfd_elf_get_dynamic_symtab_upper_bound
  60 #define bfd_elfNN_get_lineno            _bfd_elf_get_lineno
  61 #ifndef bfd_elfNN_get_reloc_upper_bound
  62 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound
  63 #endif
  64 #ifndef bfd_elfNN_get_symbol_info
  65 #define bfd_elfNN_get_symbol_info       _bfd_elf_get_symbol_info
  66 #endif
  67 #define bfd_elfNN_canonicalize_symtab   _bfd_elf_canonicalize_symtab
  68 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound
  69 #define bfd_elfNN_make_empty_symbol     _bfd_elf_make_empty_symbol
  70 #ifndef bfd_elfNN_new_section_hook
  71 #define bfd_elfNN_new_section_hook      _bfd_elf_new_section_hook
  72 #endif
  73 #define bfd_elfNN_set_arch_mach         _bfd_elf_set_arch_mach
  74 #ifndef bfd_elfNN_set_section_contents
  75 #define bfd_elfNN_set_section_contents  _bfd_elf_set_section_contents
  76 #endif
  77 #define bfd_elfNN_sizeof_headers        _bfd_elf_sizeof_headers
  78 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents
  79 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents
  80
  81 #define bfd_elfNN_get_section_contents_in_window \
  82   _bfd_generic_get_section_contents_in_window
  83
  84 #ifndef elf_backend_can_refcount
  85 #define elf_backend_can_refcount 0
  86 #endif
  87 #ifndef elf_backend_want_got_plt
  88 #define elf_backend_want_got_plt 0
  89 #endif
  90 #ifndef elf_backend_plt_readonly
  91 #define elf_backend_plt_readonly 0
  92 #endif
  93 #ifndef elf_backend_want_plt_sym
  94 #define elf_backend_want_plt_sym 0
  95 #endif
  96 #ifndef elf_backend_plt_not_loaded
  97 #define elf_backend_plt_not_loaded 0
  98 #endif
  99 #ifndef elf_backend_plt_alignment
 100 #define elf_backend_plt_alignment 2
 101 #endif
 102 #ifndef elf_backend_want_dynbss
 103 #define elf_backend_want_dynbss 1
 104 #endif
 105 #ifndef elf_backend_want_p_paddr_set_to_zero
 106 #define elf_backend_want_p_paddr_set_to_zero 0
 107 #endif
 108 #ifndef elf_backend_default_execstack
 109 #define elf_backend_default_execstack 1
 110 #endif
 111
 112 #define bfd_elfNN_bfd_debug_info_start  bfd_void
 113 #define bfd_elfNN_bfd_debug_info_end    bfd_void
 114 #define bfd_elfNN_bfd_debug_info_accumulate \
 115   ((void (*) (bfd*, struct bfd_section *)) bfd_void)
 116
 117 #ifndef bfd_elfNN_bfd_get_relocated_section_contents
 118 #define bfd_elfNN_bfd_get_relocated_section_contents \
 119   bfd_generic_get_relocated_section_contents
 120 #endif
 121
 122 #ifndef bfd_elfNN_bfd_relax_section
 123 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section
 124 #endif
 125
 126 #ifndef elf_backend_can_gc_sections
 127 #define elf_backend_can_gc_sections 0
 128 #endif
 129 #ifndef elf_backend_can_refcount
 130 #define elf_backend_can_refcount 0
 131 #endif
 132 #ifndef elf_backend_want_got_sym
 133 #define elf_backend_want_got_sym 1
 134 #endif
 135 #ifndef elf_backend_gc_mark_dynamic_ref
 136 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol
 137 #endif
 138 #ifndef elf_backend_gc_mark_hook
 139 #define elf_backend_gc_mark_hook        _bfd_elf_gc_mark_hook
 140 #endif
 141 #ifndef elf_backend_gc_mark_extra_sections
 142 #define elf_backend_gc_mark_extra_sections      NULL
 143 #endif
 144 #ifndef elf_backend_gc_sweep_hook
 145 #define elf_backend_gc_sweep_hook       NULL
 146 #endif
 147 #ifndef bfd_elfNN_bfd_gc_sections
 148 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections
 149 #endif
 150
 151 #ifndef bfd_elfNN_bfd_merge_sections
 152 #define bfd_elfNN_bfd_merge_sections \
 153   _bfd_elf_merge_sections
 154 #endif
 155
 156 #ifndef bfd_elfNN_bfd_is_group_section
 157 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section
 158 #endif
 159
 160 #ifndef bfd_elfNN_bfd_discard_group
 161 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group
 162 #endif
 163
 164 #ifndef bfd_elfNN_section_already_linked
 165 #define bfd_elfNN_section_already_linked \
 166   _bfd_elf_section_already_linked
 167 #endif
 168
 169 #ifndef bfd_elfNN_bfd_make_debug_symbol
 170 #define bfd_elfNN_bfd_make_debug_symbol \
 171   ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr)
 172 #endif
 173
 174 #ifndef bfd_elfNN_bfd_copy_private_symbol_data
 175 #define bfd_elfNN_bfd_copy_private_symbol_data \
 176   _bfd_elf_copy_private_symbol_data
 177 #endif
 178
 179 #ifndef bfd_elfNN_bfd_copy_private_section_data
 180 #define bfd_elfNN_bfd_copy_private_section_data \
 181   _bfd_elf_copy_private_section_data
 182 #endif
 183 #ifndef bfd_elfNN_bfd_copy_private_header_data
 184 #define bfd_elfNN_bfd_copy_private_header_data \
 185   _bfd_elf_copy_private_header_data
 186 #endif
 187 #ifndef bfd_elfNN_bfd_copy_private_bfd_data
 188 #define bfd_elfNN_bfd_copy_private_bfd_data \
 189   _bfd_elf_copy_private_bfd_data
 190 #endif
 191 #ifndef bfd_elfNN_bfd_print_private_bfd_data
 192 #define bfd_elfNN_bfd_print_private_bfd_data \
 193   _bfd_elf_print_private_bfd_data
 194 #endif
 195 #ifndef bfd_elfNN_bfd_merge_private_bfd_data
 196 #define bfd_elfNN_bfd_merge_private_bfd_data \
 197   ((bfd_boolean (*) (bfd *, bfd *)) bfd_true)
 198 #endif
 199 #ifndef bfd_elfNN_bfd_set_private_flags
 200 #define bfd_elfNN_bfd_set_private_flags \
 201   ((bfd_boolean (*) (bfd *, flagword)) bfd_true)
 202 #endif
 203 #ifndef bfd_elfNN_bfd_is_local_label_name
 204 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name
 205 #endif
 206 #ifndef bfd_elfNN_bfd_is_target_special_symbol
 207 #define bfd_elfNN_bfd_is_target_special_symbol \
 208   ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
 209 #endif
 210
 211 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound
 212 #define bfd_elfNN_get_dynamic_reloc_upper_bound \
 213   _bfd_elf_get_dynamic_reloc_upper_bound
 214 #endif
 215 #ifndef bfd_elfNN_canonicalize_dynamic_reloc
 216 #define bfd_elfNN_canonicalize_dynamic_reloc \
 217   _bfd_elf_canonicalize_dynamic_reloc
 218 #endif
 219
 220 #ifndef bfd_elfNN_bfd_link_hash_table_free
 221 #define bfd_elfNN_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
 222 #endif
 223
 224 #ifdef elf_backend_relocate_section
 225 #ifndef bfd_elfNN_bfd_link_hash_table_create
 226 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create
 227 #endif
 228 #ifndef bfd_elfNN_bfd_link_add_symbols
 229 #define bfd_elfNN_bfd_link_add_symbols  bfd_elf_link_add_symbols
 230 #endif
 231 #ifndef bfd_elfNN_bfd_final_link
 232 #define bfd_elfNN_bfd_final_link        bfd_elf_final_link
 233 #endif
 234 #else /* ! defined (elf_backend_relocate_section) */
 235 /* If no backend relocate_section routine, use the generic linker.
 236    Note - this will prevent the port from being able to use some of
 237    the other features of the ELF linker, because the generic hash structure
 238    does not have the fields needed by the ELF linker.  In particular it
 239    means that linking directly to S-records will not work.  */
 240 #ifndef bfd_elfNN_bfd_link_hash_table_create
 241 #define bfd_elfNN_bfd_link_hash_table_create \
 242   _bfd_generic_link_hash_table_create
 243 #endif
 244 #ifndef bfd_elfNN_bfd_link_add_symbols
 245 #define bfd_elfNN_bfd_link_add_symbols  _bfd_generic_link_add_symbols
 246 #endif
 247 #ifndef bfd_elfNN_bfd_final_link
 248 #define bfd_elfNN_bfd_final_link        _bfd_generic_final_link
 249 #endif
 250 #endif /* ! defined (elf_backend_relocate_section) */
 251
 252 #ifndef bfd_elfNN_bfd_link_just_syms
 253 #define bfd_elfNN_bfd_link_just_syms    _bfd_elf_link_just_syms
 254 #endif
 255
 256 #ifndef bfd_elfNN_bfd_link_split_section
 257 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section
 258 #endif
 259
 260 #ifndef bfd_elfNN_archive_p
 261 #define bfd_elfNN_archive_p bfd_generic_archive_p
 262 #endif
 263
 264 #ifndef bfd_elfNN_write_archive_contents
 265 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents
 266 #endif
 267
 268 #ifndef bfd_elfNN_mkobject
 269 #define bfd_elfNN_mkobject bfd_elf_mkobject
 270 #endif
 271
 272 #ifndef bfd_elfNN_mkcorefile
 273 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile
 274 #endif
 275
 276 #ifndef bfd_elfNN_mkarchive
 277 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive
 278 #endif
 279
 280 #ifndef bfd_elfNN_print_symbol
 281 #define bfd_elfNN_print_symbol bfd_elf_print_symbol
 282 #endif
 283
 284 #ifndef elf_symbol_leading_char
 285 #define elf_symbol_leading_char 0
 286 #endif
 287
 288 #ifndef elf_info_to_howto
 289 #define elf_info_to_howto 0
 290 #endif
 291
 292 #ifndef elf_info_to_howto_rel
 293 #define elf_info_to_howto_rel 0
 294 #endif
 295
 296 #ifndef ELF_OSABI
 297 #define ELF_OSABI ELFOSABI_NONE
 298 #endif
 299
 300 #ifndef ELF_MAXPAGESIZE
 301 # error ELF_MAXPAGESIZE is not defined
 302 #define ELF_MAXPAGESIZE 1
 303 #endif
 304
 305 #ifndef ELF_COMMONPAGESIZE
 306 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE
 307 #endif
 308
 309 #ifndef ELF_MINPAGESIZE
 310 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE
 311 #endif
 312
 313 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 314 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE
 315 #endif
 316 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 317 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE
 318 #endif
 319
 320 #ifndef ELF_DYNAMIC_SEC_FLAGS
 321 /* Note that we set the SEC_IN_MEMORY flag for these sections.  */
 322 #define ELF_DYNAMIC_SEC_FLAGS                   \
 323   (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS      \
 324    | SEC_IN_MEMORY | SEC_LINKER_CREATED)
 325 #endif
 326
 327 #ifndef elf_backend_collect
 328 #define elf_backend_collect FALSE
 329 #endif
 330 #ifndef elf_backend_type_change_ok
 331 #define elf_backend_type_change_ok FALSE
 332 #endif
 333
 334 #ifndef elf_backend_sym_is_global
 335 #define elf_backend_sym_is_global       0
 336 #endif
 337 #ifndef elf_backend_object_p
 338 #define elf_backend_object_p            0
 339 #endif
 340 #ifndef elf_backend_symbol_processing
 341 #define elf_backend_symbol_processing   0
 342 #endif
 343 #ifndef elf_backend_symbol_table_processing
 344 #define elf_backend_symbol_table_processing     0
 345 #endif
 346 #ifndef elf_backend_get_symbol_type
 347 #define elf_backend_get_symbol_type 0
 348 #endif
 349 #ifndef elf_backend_archive_symbol_lookup
 350 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup
 351 #endif
 352 #ifndef elf_backend_name_local_section_symbols
 353 #define elf_backend_name_local_section_symbols  0
 354 #endif
 355 #ifndef elf_backend_section_processing
 356 #define elf_backend_section_processing  0
 357 #endif
 358 #ifndef elf_backend_section_from_shdr
 359 #define elf_backend_section_from_shdr   _bfd_elf_make_section_from_shdr
 360 #endif
 361 #ifndef elf_backend_section_flags
 362 #define elf_backend_section_flags       0
 363 #endif
 364 #ifndef elf_backend_get_sec_type_attr
 365 #define elf_backend_get_sec_type_attr   _bfd_elf_get_sec_type_attr
 366 #endif
 367 #ifndef elf_backend_section_from_phdr
 368 #define elf_backend_section_from_phdr   _bfd_elf_make_section_from_phdr
 369 #endif
 370 #ifndef elf_backend_fake_sections
 371 #define elf_backend_fake_sections       0
 372 #endif
 373 #ifndef elf_backend_section_from_bfd_section
 374 #define elf_backend_section_from_bfd_section    0
 375 #endif
 376 #ifndef elf_backend_add_symbol_hook
 377 #define elf_backend_add_symbol_hook     0
 378 #endif
 379 #ifndef elf_backend_link_output_symbol_hook
 380 #define elf_backend_link_output_symbol_hook 0
 381 #endif
 382 #ifndef elf_backend_create_dynamic_sections
 383 #define elf_backend_create_dynamic_sections 0
 384 #endif
 385 #ifndef elf_backend_omit_section_dynsym
 386 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym
 387 #endif
 388 #ifndef elf_backend_relocs_compatible
 389 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible
 390 #endif
 391 #ifndef elf_backend_check_relocs
 392 #define elf_backend_check_relocs        0
 393 #endif
 394 #ifndef elf_backend_check_directives
 395 #define elf_backend_check_directives    0
 396 #endif
 397 #ifndef elf_backend_as_needed_cleanup
 398 #define elf_backend_as_needed_cleanup   0
 399 #endif
 400 #ifndef elf_backend_adjust_dynamic_symbol
 401 #define elf_backend_adjust_dynamic_symbol 0
 402 #endif
 403 #ifndef elf_backend_always_size_sections
 404 #define elf_backend_always_size_sections 0
 405 #endif
 406 #ifndef elf_backend_size_dynamic_sections
 407 #define elf_backend_size_dynamic_sections 0
 408 #endif
 409 #ifndef elf_backend_init_index_section
 410 #define elf_backend_init_index_section \
 411  ((void (*) (bfd *, struct bfd_link_info *)) bfd_void)
 412 #endif
 413 #ifndef elf_backend_relocate_section
 414 #define elf_backend_relocate_section    0
 415 #endif
 416 #ifndef elf_backend_finish_dynamic_symbol
 417 #define elf_backend_finish_dynamic_symbol       0
 418 #endif
 419 #ifndef elf_backend_finish_dynamic_sections
 420 #define elf_backend_finish_dynamic_sections     0
 421 #endif
 422 #ifndef elf_backend_begin_write_processing
 423 #define elf_backend_begin_write_processing      0
 424 #endif
 425 #ifndef elf_backend_final_write_processing
 426 #define elf_backend_final_write_processing      0
 427 #endif
 428 #ifndef elf_backend_additional_program_headers
 429 #define elf_backend_additional_program_headers  0
 430 #endif
 431 #ifndef elf_backend_modify_segment_map
 432 #define elf_backend_modify_segment_map  0
 433 #endif
 434 #ifndef elf_backend_modify_program_headers
 435 #define elf_backend_modify_program_headers      0
 436 #endif
 437 #ifndef elf_backend_ecoff_debug_swap
 438 #define elf_backend_ecoff_debug_swap    0
 439 #endif
 440 #ifndef elf_backend_bfd_from_remote_memory
 441 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory
 442 #endif
 443 #ifndef elf_backend_got_header_size
 444 #define elf_backend_got_header_size     0
 445 #endif
 446 #ifndef elf_backend_obj_attrs_vendor
 447 #define elf_backend_obj_attrs_vendor            NULL
 448 #endif
 449 #ifndef elf_backend_obj_attrs_section
 450 #define elf_backend_obj_attrs_section           NULL
 451 #endif
 452 #ifndef elf_backend_obj_attrs_arg_type
 453 #define elf_backend_obj_attrs_arg_type          NULL
 454 #endif
 455 #ifndef elf_backend_obj_attrs_section_type
 456 #define elf_backend_obj_attrs_section_type              SHT_GNU_ATTRIBUTES
 457 #endif
 458 #ifndef elf_backend_post_process_headers
 459 #define elf_backend_post_process_headers        NULL
 460 #endif
 461 #ifndef elf_backend_print_symbol_all
 462 #define elf_backend_print_symbol_all            NULL
 463 #endif
 464 #ifndef elf_backend_output_arch_local_syms
 465 #define elf_backend_output_arch_local_syms      NULL
 466 #endif
 467 #ifndef elf_backend_output_arch_syms
 468 #define elf_backend_output_arch_syms            NULL
 469 #endif
 470 #ifndef elf_backend_copy_indirect_symbol
 471 #define elf_backend_copy_indirect_symbol  _bfd_elf_link_hash_copy_indirect
 472 #endif
 473 #ifndef elf_backend_hide_symbol
 474 #define elf_backend_hide_symbol         _bfd_elf_link_hash_hide_symbol
 475 #endif
 476 #ifndef elf_backend_fixup_symbol
 477 #define elf_backend_fixup_symbol                NULL
 478 #endif
 479 #ifndef elf_backend_merge_symbol_attribute
 480 #define elf_backend_merge_symbol_attribute      NULL
 481 #endif
 482 #ifndef elf_backend_ignore_undef_symbol
 483 #define elf_backend_ignore_undef_symbol         NULL
 484 #endif
 485 #ifndef elf_backend_emit_relocs
 486 #define elf_backend_emit_relocs                 _bfd_elf_link_output_relocs
 487 #endif
 488 #ifndef elf_backend_count_relocs
 489 #define elf_backend_count_relocs                NULL
 490 #endif
 491 #ifndef elf_backend_grok_prstatus
 492 #define elf_backend_grok_prstatus               NULL
 493 #endif
 494 #ifndef elf_backend_grok_psinfo
 495 #define elf_backend_grok_psinfo                 NULL
 496 #endif
 497 #ifndef elf_backend_write_core_note
 498 #define elf_backend_write_core_note             NULL
 499 #endif
 500 #ifndef elf_backend_reloc_type_class
 501 #define elf_backend_reloc_type_class            _bfd_elf_reloc_type_class
 502 #endif
 503 #ifndef elf_backend_discard_info
 504 #define elf_backend_discard_info                NULL
 505 #endif
 506 #ifndef elf_backend_ignore_discarded_relocs
 507 #define elf_backend_ignore_discarded_relocs     NULL
 508 #endif
 509 #ifndef elf_backend_action_discarded
 510 #define elf_backend_action_discarded _bfd_elf_default_action_discarded
 511 #endif
 512 #ifndef elf_backend_eh_frame_address_size
 513 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size
 514 #endif
 515 #ifndef elf_backend_can_make_relative_eh_frame
 516 #define elf_backend_can_make_relative_eh_frame  _bfd_elf_can_make_relative
 517 #endif
 518 #ifndef elf_backend_can_make_lsda_relative_eh_frame
 519 #define elf_backend_can_make_lsda_relative_eh_frame     _bfd_elf_can_make_relative
 520 #endif
 521 #ifndef elf_backend_encode_eh_address
 522 #define elf_backend_encode_eh_address           _bfd_elf_encode_eh_address
 523 #endif
 524 #ifndef elf_backend_write_section
 525 #define elf_backend_write_section               NULL
 526 #endif
 527 #ifndef elf_backend_mips_irix_compat
 528 #define elf_backend_mips_irix_compat            NULL
 529 #endif
 530 #ifndef elf_backend_mips_rtype_to_howto
 531 #define elf_backend_mips_rtype_to_howto         NULL
 532 #endif
 533
 534 /* Previously, backends could only use SHT_REL or SHT_RELA relocation
 535    sections, but not both.  They defined USE_REL to indicate SHT_REL
 536    sections, and left it undefined to indicated SHT_RELA sections.
 537    For backwards compatibility, we still support this usage.  */
 538 #ifndef USE_REL
 539 #define USE_REL 0
 540 #endif
 541
 542 /* Use these in new code.  */
 543 #ifndef elf_backend_may_use_rel_p
 544 #define elf_backend_may_use_rel_p USE_REL
 545 #endif
 546 #ifndef elf_backend_may_use_rela_p
 547 #define elf_backend_may_use_rela_p !USE_REL
 548 #endif
 549 #ifndef elf_backend_default_use_rela_p
 550 #define elf_backend_default_use_rela_p !USE_REL
 551 #endif
 552
 553 #ifndef elf_backend_rela_normal
 554 #define elf_backend_rela_normal 0
 555 #endif
 556
 557 #ifndef elf_backend_plt_sym_val
 558 #define elf_backend_plt_sym_val NULL
 559 #endif
 560 #ifndef elf_backend_relplt_name
 561 #define elf_backend_relplt_name NULL
 562 #endif
 563
 564 #ifndef ELF_MACHINE_ALT1
 565 #define ELF_MACHINE_ALT1 0
 566 #endif
 567
 568 #ifndef ELF_MACHINE_ALT2
 569 #define ELF_MACHINE_ALT2 0
 570 #endif
 571
 572 #ifndef elf_backend_size_info
 573 #define elf_backend_size_info _bfd_elfNN_size_info
 574 #endif
 575
 576 #ifndef elf_backend_special_sections
 577 #define elf_backend_special_sections NULL
 578 #endif
 579
 580 #ifndef elf_backend_sign_extend_vma
 581 #define elf_backend_sign_extend_vma 0
 582 #endif
 583
 584 #ifndef elf_backend_link_order_error_handler
 585 #define elf_backend_link_order_error_handler _bfd_default_error_handler
 586 #endif
 587
 588 #ifndef elf_backend_common_definition
 589 #define elf_backend_common_definition _bfd_elf_common_definition
 590 #endif
 591
 592 #ifndef elf_backend_common_section_index
 593 #define elf_backend_common_section_index _bfd_elf_common_section_index
 594 #endif
 595
 596 #ifndef elf_backend_common_section
 597 #define elf_backend_common_section _bfd_elf_common_section
 598 #endif
 599
 600 #ifndef elf_backend_merge_symbol
 601 #define elf_backend_merge_symbol NULL
 602 #endif
 603
 604 #ifndef elf_backend_hash_symbol
 605 #define elf_backend_hash_symbol _bfd_elf_hash_symbol
 606 #endif
 607
 608 #ifndef elf_backend_is_function_type
 609 #define elf_backend_is_function_type _bfd_elf_is_function_type
 610 #endif
 611
 612 extern const struct elf_size_info _bfd_elfNN_size_info;
 613
 614 static struct elf_backend_data elfNN_bed =
 615 {
 616   ELF_ARCH,                     /* arch */
 617   ELF_MACHINE_CODE,             /* elf_machine_code */
 618   ELF_OSABI,                    /* elf_osabi  */
 619   ELF_MAXPAGESIZE,              /* maxpagesize */
 620   ELF_MINPAGESIZE,              /* minpagesize */
 621   ELF_COMMONPAGESIZE,           /* commonpagesize */
 622   ELF_DYNAMIC_SEC_FLAGS,        /* dynamic_sec_flags */
 623   elf_info_to_howto,
 624   elf_info_to_howto_rel,
 625   elf_backend_sym_is_global,
 626   elf_backend_object_p,
 627   elf_backend_symbol_processing,
 628   elf_backend_symbol_table_processing,
 629   elf_backend_get_symbol_type,
 630   elf_backend_archive_symbol_lookup,
 631   elf_backend_name_local_section_symbols,
 632   elf_backend_section_processing,
 633   elf_backend_section_from_shdr,
 634   elf_backend_section_flags,
 635   elf_backend_get_sec_type_attr,
 636   elf_backend_section_from_phdr,
 637   elf_backend_fake_sections,
 638   elf_backend_section_from_bfd_section,
 639   elf_backend_add_symbol_hook,
 640   elf_backend_link_output_symbol_hook,
 641   elf_backend_create_dynamic_sections,
 642   elf_backend_omit_section_dynsym,
 643   elf_backend_relocs_compatible,
 644   elf_backend_check_relocs,
 645   elf_backend_check_directives,
 646   elf_backend_as_needed_cleanup,
 647   elf_backend_adjust_dynamic_symbol,
 648   elf_backend_always_size_sections,
 649   elf_backend_size_dynamic_sections,
 650   elf_backend_init_index_section,
 651   elf_backend_relocate_section,
 652   elf_backend_finish_dynamic_symbol,
 653   elf_backend_finish_dynamic_sections,
 654   elf_backend_begin_write_processing,
 655   elf_backend_final_write_processing,
 656   elf_backend_additional_program_headers,
 657   elf_backend_modify_segment_map,
 658   elf_backend_modify_program_headers,
 659   elf_backend_gc_mark_dynamic_ref,
 660   elf_backend_gc_mark_hook,
 661   elf_backend_gc_mark_extra_sections,
 662   elf_backend_gc_sweep_hook,
 663   elf_backend_post_process_headers,
 664   elf_backend_print_symbol_all,
 665   elf_backend_output_arch_local_syms,
 666   elf_backend_output_arch_syms,
 667   elf_backend_copy_indirect_symbol,
 668   elf_backend_hide_symbol,
 669   elf_backend_fixup_symbol,
 670   elf_backend_merge_symbol_attribute,
 671   elf_backend_ignore_undef_symbol,
 672   elf_backend_emit_relocs,
 673   elf_backend_count_relocs,
 674   elf_backend_grok_prstatus,
 675   elf_backend_grok_psinfo,
 676   elf_backend_write_core_note,
 677   elf_backend_reloc_type_class,
 678   elf_backend_discard_info,
 679   elf_backend_ignore_discarded_relocs,
 680   elf_backend_action_discarded,
 681   elf_backend_eh_frame_address_size,
 682   elf_backend_can_make_relative_eh_frame,
 683   elf_backend_can_make_lsda_relative_eh_frame,
 684   elf_backend_encode_eh_address,
 685   elf_backend_write_section,
 686   elf_backend_mips_irix_compat,
 687   elf_backend_mips_rtype_to_howto,
 688   elf_backend_ecoff_debug_swap,
 689   elf_backend_bfd_from_remote_memory,
 690   elf_backend_plt_sym_val,
 691   elf_backend_common_definition,
 692   elf_backend_common_section_index,
 693   elf_backend_common_section,
 694   elf_backend_merge_symbol,
 695   elf_backend_hash_symbol,
 696   elf_backend_is_function_type,
 697   elf_backend_link_order_error_handler,
 698   elf_backend_relplt_name,
 699   ELF_MACHINE_ALT1,
 700   ELF_MACHINE_ALT2,
 701   &elf_backend_size_info,
 702   elf_backend_special_sections,
 703   elf_backend_got_header_size,
 704   elf_backend_obj_attrs_vendor,
 705   elf_backend_obj_attrs_section,
 706   elf_backend_obj_attrs_arg_type,
 707   elf_backend_obj_attrs_section_type,
 708   elf_backend_collect,
 709   elf_backend_type_change_ok,
 710   elf_backend_may_use_rel_p,
 711   elf_backend_may_use_rela_p,
 712   elf_backend_default_use_rela_p,
 713   elf_backend_rela_normal,
 714   elf_backend_sign_extend_vma,
 715   elf_backend_want_got_plt,
 716   elf_backend_plt_readonly,
 717   elf_backend_want_plt_sym,
 718   elf_backend_plt_not_loaded,
 719   elf_backend_plt_alignment,
 720   elf_backend_can_gc_sections,
 721   elf_backend_can_refcount,
 722   elf_backend_want_got_sym,
 723   elf_backend_want_dynbss,
 724   elf_backend_want_p_paddr_set_to_zero,
 725   elf_backend_default_execstack
 726 };
 727
 728 /* Forward declaration for use when initialising alternative_target field.  */
 729 #ifdef TARGET_LITTLE_SYM
 730 extern const bfd_target TARGET_LITTLE_SYM;
 731 #endif
 732
 733 #ifdef TARGET_BIG_SYM
 734 const bfd_target TARGET_BIG_SYM =
 735 {
 736   /* name: identify kind of target */
 737   TARGET_BIG_NAME,
 738
 739   /* flavour: general indication about file */
 740   bfd_target_elf_flavour,
 741
 742   /* byteorder: data is big endian */
 743   BFD_ENDIAN_BIG,
 744
 745   /* header_byteorder: header is also big endian */
 746   BFD_ENDIAN_BIG,
 747
 748   /* object_flags: mask of all file flags */
 749   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 750    | DYNAMIC | WP_TEXT | D_PAGED),
 751
 752   /* section_flags: mask of all section flags */
 753   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 754    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 755    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 756
 757    /* leading_symbol_char: is the first char of a user symbol
 758       predictable, and if so what is it */
 759   elf_symbol_leading_char,
 760
 761   /* ar_pad_char: pad character for filenames within an archive header
 762      FIXME:  this really has nothing to do with ELF, this is a characteristic
 763      of the archiver and/or os and should be independently tunable */
 764   '/',
 765
 766   /* ar_max_namelen: maximum number of characters in an archive header
 767      FIXME:  this really has nothing to do with ELF, this is a characteristic
 768      of the archiver and should be independently tunable.  The System V ABI,
 769      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 770   15,
 771
 772   /* Routines to byte-swap various sized integers from the data sections */
 773   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 774     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 775     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 776
 777   /* Routines to byte-swap various sized integers from the file headers */
 778   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
 779     bfd_getb32, bfd_getb_signed_32, bfd_putb32,
 780     bfd_getb16, bfd_getb_signed_16, bfd_putb16,
 781
 782   /* bfd_check_format: check the format of a file being read */
 783   { _bfd_dummy_target,          /* unknown format */
 784     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 785     bfd_elfNN_archive_p,        /* an archive */
 786     bfd_elfNN_core_file_p       /* a core file */
 787   },
 788
 789   /* bfd_set_format: set the format of a file being written */
 790   { bfd_false,
 791     bfd_elfNN_mkobject,
 792     bfd_elfNN_mkarchive,
 793     bfd_elfNN_mkcorefile
 794   },
 795
 796   /* bfd_write_contents: write cached information into a file being written */
 797   { bfd_false,
 798     bfd_elfNN_write_object_contents,
 799     bfd_elfNN_write_archive_contents,
 800     bfd_elfNN_write_corefile_contents,
 801   },
 802
 803   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 804   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 805   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 806 #ifdef bfd_elfNN_archive_functions
 807   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 808 #else
 809   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 810 #endif
 811   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 812   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 813   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 814   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 815   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 816
 817   /* Alternative endian target.  */
 818 #ifdef TARGET_LITTLE_SYM
 819   & TARGET_LITTLE_SYM,
 820 #else
 821   NULL,
 822 #endif
 823
 824   /* backend_data: */
 825   &elfNN_bed
 826 };
 827 #endif
 828
 829 #ifdef TARGET_LITTLE_SYM
 830 const bfd_target TARGET_LITTLE_SYM =
 831 {
 832   /* name: identify kind of target */
 833   TARGET_LITTLE_NAME,
 834
 835   /* flavour: general indication about file */
 836   bfd_target_elf_flavour,
 837
 838   /* byteorder: data is little endian */
 839   BFD_ENDIAN_LITTLE,
 840
 841   /* header_byteorder: header is also little endian */
 842   BFD_ENDIAN_LITTLE,
 843
 844   /* object_flags: mask of all file flags */
 845   (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS
 846    | DYNAMIC | WP_TEXT | D_PAGED),
 847
 848   /* section_flags: mask of all section flags */
 849   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY
 850    | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES
 851    | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP),
 852
 853    /* leading_symbol_char: is the first char of a user symbol
 854       predictable, and if so what is it */
 855   elf_symbol_leading_char,
 856
 857   /* ar_pad_char: pad character for filenames within an archive header
 858      FIXME:  this really has nothing to do with ELF, this is a characteristic
 859      of the archiver and/or os and should be independently tunable */
 860   '/',
 861
 862   /* ar_max_namelen: maximum number of characters in an archive header
 863      FIXME:  this really has nothing to do with ELF, this is a characteristic
 864      of the archiver and should be independently tunable.  The System V ABI,
 865      Chapter 7 (Formats & Protocols), Archive section sets this as 15.  */
 866   15,
 867
 868   /* Routines to byte-swap various sized integers from the data sections */
 869   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 870     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 871     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 872
 873   /* Routines to byte-swap various sized integers from the file headers */
 874   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
 875     bfd_getl32, bfd_getl_signed_32, bfd_putl32,
 876     bfd_getl16, bfd_getl_signed_16, bfd_putl16,
 877
 878   /* bfd_check_format: check the format of a file being read */
 879   { _bfd_dummy_target,          /* unknown format */
 880     bfd_elfNN_object_p,         /* assembler/linker output (object file) */
 881     bfd_elfNN_archive_p,        /* an archive */
 882     bfd_elfNN_core_file_p       /* a core file */
 883   },
 884
 885   /* bfd_set_format: set the format of a file being written */
 886   { bfd_false,
 887     bfd_elfNN_mkobject,
 888     bfd_elfNN_mkarchive,
 889     bfd_elfNN_mkcorefile
 890   },
 891
 892   /* bfd_write_contents: write cached information into a file being written */
 893   { bfd_false,
 894     bfd_elfNN_write_object_contents,
 895     bfd_elfNN_write_archive_contents,
 896     bfd_elfNN_write_corefile_contents,
 897   },
 898
 899   BFD_JUMP_TABLE_GENERIC (bfd_elfNN),
 900   BFD_JUMP_TABLE_COPY (bfd_elfNN),
 901   BFD_JUMP_TABLE_CORE (bfd_elfNN),
 902 #ifdef bfd_elfNN_archive_functions
 903   BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive),
 904 #else
 905   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
 906 #endif
 907   BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN),
 908   BFD_JUMP_TABLE_RELOCS (bfd_elfNN),
 909   BFD_JUMP_TABLE_WRITE (bfd_elfNN),
 910   BFD_JUMP_TABLE_LINK (bfd_elfNN),
 911   BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN),
 912
 913   /* Alternative endian target.  */
 914 #ifdef TARGET_BIG_SYM
 915   & TARGET_BIG_SYM,
 916 #else
 917   NULL,
 918 #endif
 919
 920   /* backend_data: */
 921   &elfNN_bed
 922 };
 923 #endif