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