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