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