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