1 /* Target definitions for NN-bit ELF 2 Copyright (C) 1993-2014 Free Software Foundation, Inc. 3 4 This file is part of BFD, the Binary File Descriptor library. 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 19 MA 02110-1301, USA. */ 20 21 22 /* This structure contains everything that BFD knows about a target. 23 It includes things like its byte order, name, what routines to call 24 to do various operations, etc. Every BFD points to a target structure 25 with its "xvec" member. 26 27 There are two such structures here: one for big-endian machines and 28 one for little-endian machines. */ 29 30 #ifndef bfd_elfNN_close_and_cleanup 31 #define bfd_elfNN_close_and_cleanup _bfd_elf_close_and_cleanup 32 #endif 33 #ifndef bfd_elfNN_bfd_free_cached_info 34 #define bfd_elfNN_bfd_free_cached_info _bfd_free_cached_info 35 #endif 36 #ifndef bfd_elfNN_get_section_contents 37 #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents 38 #endif 39 40 #define bfd_elfNN_canonicalize_dynamic_symtab \ 41 _bfd_elf_canonicalize_dynamic_symtab 42 #ifndef bfd_elfNN_get_synthetic_symtab 43 #define bfd_elfNN_get_synthetic_symtab \ 44 _bfd_elf_get_synthetic_symtab 45 #endif 46 #ifndef bfd_elfNN_canonicalize_reloc 47 #define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc 48 #endif 49 #ifndef bfd_elfNN_find_nearest_line 50 #define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line 51 #endif 52 #ifndef bfd_elfNN_find_line 53 #define bfd_elfNN_find_line _bfd_elf_find_line 54 #endif 55 #ifndef bfd_elfNN_find_inliner_info 56 #define bfd_elfNN_find_inliner_info _bfd_elf_find_inliner_info 57 #endif 58 #define bfd_elfNN_read_minisymbols _bfd_elf_read_minisymbols 59 #define bfd_elfNN_minisymbol_to_symbol _bfd_elf_minisymbol_to_symbol 60 #define bfd_elfNN_get_dynamic_symtab_upper_bound \ 61 _bfd_elf_get_dynamic_symtab_upper_bound 62 #define bfd_elfNN_get_lineno _bfd_elf_get_lineno 63 #ifndef bfd_elfNN_get_reloc_upper_bound 64 #define bfd_elfNN_get_reloc_upper_bound _bfd_elf_get_reloc_upper_bound 65 #endif 66 #ifndef bfd_elfNN_get_symbol_info 67 #define bfd_elfNN_get_symbol_info _bfd_elf_get_symbol_info 68 #endif 69 #define bfd_elfNN_canonicalize_symtab _bfd_elf_canonicalize_symtab 70 #define bfd_elfNN_get_symtab_upper_bound _bfd_elf_get_symtab_upper_bound 71 #define bfd_elfNN_make_empty_symbol _bfd_elf_make_empty_symbol 72 #ifndef bfd_elfNN_new_section_hook 73 #define bfd_elfNN_new_section_hook _bfd_elf_new_section_hook 74 #endif 75 #define bfd_elfNN_set_arch_mach _bfd_elf_set_arch_mach 76 #ifndef bfd_elfNN_set_section_contents 77 #define bfd_elfNN_set_section_contents _bfd_elf_set_section_contents 78 #endif 79 #define bfd_elfNN_sizeof_headers _bfd_elf_sizeof_headers 80 #define bfd_elfNN_write_object_contents _bfd_elf_write_object_contents 81 #define bfd_elfNN_write_corefile_contents _bfd_elf_write_corefile_contents 82 83 #define bfd_elfNN_get_section_contents_in_window \ 84 _bfd_generic_get_section_contents_in_window 85 86 #ifndef elf_backend_can_refcount 87 #define elf_backend_can_refcount 0 88 #endif 89 #ifndef elf_backend_want_got_plt 90 #define elf_backend_want_got_plt 0 91 #endif 92 #ifndef elf_backend_plt_readonly 93 #define elf_backend_plt_readonly 0 94 #endif 95 #ifndef elf_backend_want_plt_sym 96 #define elf_backend_want_plt_sym 0 97 #endif 98 #ifndef elf_backend_plt_not_loaded 99 #define elf_backend_plt_not_loaded 0 100 #endif 101 #ifndef elf_backend_plt_alignment 102 #define elf_backend_plt_alignment 2 103 #endif 104 #ifndef elf_backend_want_dynbss 105 #define elf_backend_want_dynbss 1 106 #endif 107 #ifndef elf_backend_want_p_paddr_set_to_zero 108 #define elf_backend_want_p_paddr_set_to_zero 0 109 #endif 110 #ifndef elf_backend_default_execstack 111 #define elf_backend_default_execstack 1 112 #endif 113 #ifndef elf_backend_caches_rawsize 114 #define elf_backend_caches_rawsize 0 115 #endif 116 #ifndef elf_backend_stack_align 117 #define elf_backend_stack_align 16 118 #endif 119 120 #define bfd_elfNN_bfd_debug_info_start bfd_void 121 #define bfd_elfNN_bfd_debug_info_end bfd_void 122 #define bfd_elfNN_bfd_debug_info_accumulate \ 123 ((void (*) (bfd*, struct bfd_section *)) bfd_void) 124 125 #ifndef bfd_elfNN_bfd_get_relocated_section_contents 126 #define bfd_elfNN_bfd_get_relocated_section_contents \ 127 bfd_generic_get_relocated_section_contents 128 #endif 129 130 #ifndef bfd_elfNN_bfd_relax_section 131 #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section 132 #endif 133 134 #ifndef elf_backend_can_gc_sections 135 #define elf_backend_can_gc_sections 0 136 #endif 137 #ifndef elf_backend_can_refcount 138 #define elf_backend_can_refcount 0 139 #endif 140 #ifndef elf_backend_want_got_sym 141 #define elf_backend_want_got_sym 1 142 #endif 143 #ifndef elf_backend_gc_keep 144 #define elf_backend_gc_keep _bfd_elf_gc_keep 145 #endif 146 #ifndef elf_backend_gc_mark_dynamic_ref 147 #define elf_backend_gc_mark_dynamic_ref bfd_elf_gc_mark_dynamic_ref_symbol 148 #endif 149 #ifndef elf_backend_gc_mark_hook 150 #define elf_backend_gc_mark_hook _bfd_elf_gc_mark_hook 151 #endif 152 #ifndef elf_backend_gc_mark_extra_sections 153 #define elf_backend_gc_mark_extra_sections _bfd_elf_gc_mark_extra_sections 154 #endif 155 #ifndef elf_backend_gc_sweep_hook 156 #define elf_backend_gc_sweep_hook NULL 157 #endif 158 #ifndef bfd_elfNN_bfd_gc_sections 159 #define bfd_elfNN_bfd_gc_sections bfd_elf_gc_sections 160 #endif 161 162 #ifndef bfd_elfNN_bfd_merge_sections 163 #define bfd_elfNN_bfd_merge_sections \ 164 _bfd_elf_merge_sections 165 #endif 166 167 #ifndef bfd_elfNN_bfd_is_group_section 168 #define bfd_elfNN_bfd_is_group_section bfd_elf_is_group_section 169 #endif 170 171 #ifndef bfd_elfNN_bfd_discard_group 172 #define bfd_elfNN_bfd_discard_group bfd_generic_discard_group 173 #endif 174 175 #ifndef bfd_elfNN_section_already_linked 176 #define bfd_elfNN_section_already_linked \ 177 _bfd_elf_section_already_linked 178 #endif 179 180 #ifndef bfd_elfNN_bfd_define_common_symbol 181 #define bfd_elfNN_bfd_define_common_symbol bfd_generic_define_common_symbol 182 #endif 183 184 #ifndef bfd_elfNN_bfd_lookup_section_flags 185 #define bfd_elfNN_bfd_lookup_section_flags bfd_elf_lookup_section_flags 186 #endif 187 188 #ifndef bfd_elfNN_bfd_make_debug_symbol 189 #define bfd_elfNN_bfd_make_debug_symbol \ 190 ((asymbol * (*) (bfd *, void *, unsigned long)) bfd_nullvoidptr) 191 #endif 192 193 #ifndef bfd_elfNN_bfd_copy_private_symbol_data 194 #define bfd_elfNN_bfd_copy_private_symbol_data \ 195 _bfd_elf_copy_private_symbol_data 196 #endif 197 198 #ifndef bfd_elfNN_bfd_copy_private_section_data 199 #define bfd_elfNN_bfd_copy_private_section_data \ 200 _bfd_elf_copy_private_section_data 201 #endif 202 #ifndef bfd_elfNN_bfd_copy_private_header_data 203 #define bfd_elfNN_bfd_copy_private_header_data \ 204 _bfd_elf_copy_private_header_data 205 #endif 206 #ifndef bfd_elfNN_bfd_copy_private_bfd_data 207 #define bfd_elfNN_bfd_copy_private_bfd_data \ 208 _bfd_elf_copy_private_bfd_data 209 #endif 210 #ifndef bfd_elfNN_bfd_print_private_bfd_data 211 #define bfd_elfNN_bfd_print_private_bfd_data \ 212 _bfd_elf_print_private_bfd_data 213 #endif 214 #ifndef bfd_elfNN_bfd_merge_private_bfd_data 215 #define bfd_elfNN_bfd_merge_private_bfd_data \ 216 ((bfd_boolean (*) (bfd *, bfd *)) bfd_true) 217 #endif 218 #ifndef bfd_elfNN_bfd_set_private_flags 219 #define bfd_elfNN_bfd_set_private_flags \ 220 ((bfd_boolean (*) (bfd *, flagword)) bfd_true) 221 #endif 222 #ifndef bfd_elfNN_bfd_is_local_label_name 223 #define bfd_elfNN_bfd_is_local_label_name _bfd_elf_is_local_label_name 224 #endif 225 #ifndef bfd_elfNN_bfd_is_target_special_symbol 226 #define bfd_elfNN_bfd_is_target_special_symbol \ 227 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 228 #endif 229 230 #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound 231 #define bfd_elfNN_get_dynamic_reloc_upper_bound \ 232 _bfd_elf_get_dynamic_reloc_upper_bound 233 #endif 234 #ifndef bfd_elfNN_canonicalize_dynamic_reloc 235 #define bfd_elfNN_canonicalize_dynamic_reloc \ 236 _bfd_elf_canonicalize_dynamic_reloc 237 #endif 238 239 #ifdef elf_backend_relocate_section 240 #ifndef bfd_elfNN_bfd_link_hash_table_create 241 #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create 242 #endif 243 #ifndef bfd_elfNN_bfd_link_add_symbols 244 #define bfd_elfNN_bfd_link_add_symbols bfd_elf_link_add_symbols 245 #endif 246 #ifndef bfd_elfNN_bfd_final_link 247 #define bfd_elfNN_bfd_final_link bfd_elf_final_link 248 #endif 249 #else /* ! defined (elf_backend_relocate_section) */ 250 /* If no backend relocate_section routine, use the generic linker. 251 Note - this will prevent the port from being able to use some of 252 the other features of the ELF linker, because the generic hash structure 253 does not have the fields needed by the ELF linker. In particular it 254 means that linking directly to S-records will not work. */ 255 #ifndef bfd_elfNN_bfd_link_hash_table_create 256 #define bfd_elfNN_bfd_link_hash_table_create \ 257 _bfd_generic_link_hash_table_create 258 #endif 259 #ifndef bfd_elfNN_bfd_link_add_symbols 260 #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols 261 #endif 262 #ifndef bfd_elfNN_bfd_final_link 263 #define bfd_elfNN_bfd_final_link _bfd_generic_final_link 264 #endif 265 #endif /* ! defined (elf_backend_relocate_section) */ 266 267 #ifndef bfd_elfNN_bfd_link_just_syms 268 #define bfd_elfNN_bfd_link_just_syms _bfd_elf_link_just_syms 269 #endif 270 271 #ifndef bfd_elfNN_bfd_copy_link_hash_symbol_type 272 #define bfd_elfNN_bfd_copy_link_hash_symbol_type \ 273 _bfd_elf_copy_link_hash_symbol_type 274 #endif 275 276 #ifndef bfd_elfNN_bfd_link_split_section 277 #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section 278 #endif 279 280 #ifndef bfd_elfNN_archive_p 281 #define bfd_elfNN_archive_p bfd_generic_archive_p 282 #endif 283 284 #ifndef bfd_elfNN_write_archive_contents 285 #define bfd_elfNN_write_archive_contents _bfd_write_archive_contents 286 #endif 287 288 #ifndef bfd_elfNN_mkobject 289 #define bfd_elfNN_mkobject bfd_elf_make_object 290 #endif 291 292 #ifndef bfd_elfNN_mkcorefile 293 #define bfd_elfNN_mkcorefile bfd_elf_mkcorefile 294 #endif 295 296 #ifndef bfd_elfNN_mkarchive 297 #define bfd_elfNN_mkarchive _bfd_generic_mkarchive 298 #endif 299 300 #ifndef bfd_elfNN_print_symbol 301 #define bfd_elfNN_print_symbol bfd_elf_print_symbol 302 #endif 303 304 #ifndef elf_symbol_leading_char 305 #define elf_symbol_leading_char 0 306 #endif 307 308 #ifndef elf_info_to_howto 309 #define elf_info_to_howto 0 310 #endif 311 312 #ifndef elf_info_to_howto_rel 313 #define elf_info_to_howto_rel 0 314 #endif 315 316 #ifndef elf_backend_arch_data 317 #define elf_backend_arch_data NULL 318 #endif 319 320 #ifndef ELF_TARGET_ID 321 #define ELF_TARGET_ID GENERIC_ELF_DATA 322 #endif 323 324 #ifndef ELF_OSABI 325 #define ELF_OSABI ELFOSABI_NONE 326 #endif 327 328 #ifndef ELF_MAXPAGESIZE 329 # error ELF_MAXPAGESIZE is not defined 330 #define ELF_MAXPAGESIZE 1 331 #endif 332 333 #ifndef ELF_COMMONPAGESIZE 334 #define ELF_COMMONPAGESIZE ELF_MAXPAGESIZE 335 #endif 336 337 #ifndef ELF_MINPAGESIZE 338 #define ELF_MINPAGESIZE ELF_COMMONPAGESIZE 339 #endif 340 341 #if ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE 342 # error ELF_COMMONPAGESIZE > ELF_MAXPAGESIZE 343 #endif 344 #if ELF_MINPAGESIZE > ELF_COMMONPAGESIZE 345 # error ELF_MINPAGESIZE > ELF_COMMONPAGESIZE 346 #endif 347 348 #ifndef ELF_DYNAMIC_SEC_FLAGS 349 /* Note that we set the SEC_IN_MEMORY flag for these sections. */ 350 #define ELF_DYNAMIC_SEC_FLAGS \ 351 (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS \ 352 | SEC_IN_MEMORY | SEC_LINKER_CREATED) 353 #endif 354 355 #ifndef elf_backend_collect 356 #define elf_backend_collect FALSE 357 #endif 358 #ifndef elf_backend_type_change_ok 359 #define elf_backend_type_change_ok FALSE 360 #endif 361 362 #ifndef elf_backend_sym_is_global 363 #define elf_backend_sym_is_global 0 364 #endif 365 #ifndef elf_backend_object_p 366 #define elf_backend_object_p 0 367 #endif 368 #ifndef elf_backend_symbol_processing 369 #define elf_backend_symbol_processing 0 370 #endif 371 #ifndef elf_backend_symbol_table_processing 372 #define elf_backend_symbol_table_processing 0 373 #endif 374 #ifndef elf_backend_get_symbol_type 375 #define elf_backend_get_symbol_type 0 376 #endif 377 #ifndef elf_backend_archive_symbol_lookup 378 #define elf_backend_archive_symbol_lookup _bfd_elf_archive_symbol_lookup 379 #endif 380 #ifndef elf_backend_name_local_section_symbols 381 #define elf_backend_name_local_section_symbols 0 382 #endif 383 #ifndef elf_backend_section_processing 384 #define elf_backend_section_processing 0 385 #endif 386 #ifndef elf_backend_section_from_shdr 387 #define elf_backend_section_from_shdr _bfd_elf_make_section_from_shdr 388 #endif 389 #ifndef elf_backend_section_flags 390 #define elf_backend_section_flags 0 391 #endif 392 #ifndef elf_backend_get_sec_type_attr 393 #define elf_backend_get_sec_type_attr _bfd_elf_get_sec_type_attr 394 #endif 395 #ifndef elf_backend_section_from_phdr 396 #define elf_backend_section_from_phdr _bfd_elf_make_section_from_phdr 397 #endif 398 #ifndef elf_backend_fake_sections 399 #define elf_backend_fake_sections 0 400 #endif 401 #ifndef elf_backend_section_from_bfd_section 402 #define elf_backend_section_from_bfd_section 0 403 #endif 404 #ifndef elf_backend_add_symbol_hook 405 #define elf_backend_add_symbol_hook 0 406 #endif 407 #ifndef elf_backend_link_output_symbol_hook 408 #define elf_backend_link_output_symbol_hook 0 409 #endif 410 #ifndef elf_backend_create_dynamic_sections 411 #define elf_backend_create_dynamic_sections 0 412 #endif 413 #ifndef elf_backend_omit_section_dynsym 414 #define elf_backend_omit_section_dynsym _bfd_elf_link_omit_section_dynsym 415 #endif 416 #ifndef elf_backend_relocs_compatible 417 #define elf_backend_relocs_compatible _bfd_elf_default_relocs_compatible 418 #endif 419 #ifndef elf_backend_check_relocs 420 #define elf_backend_check_relocs 0 421 #endif 422 #ifndef elf_backend_check_directives 423 #define elf_backend_check_directives 0 424 #endif 425 #ifndef elf_backend_notice_as_needed 426 #define elf_backend_notice_as_needed _bfd_elf_notice_as_needed 427 #endif 428 #ifndef elf_backend_adjust_dynamic_symbol 429 #define elf_backend_adjust_dynamic_symbol 0 430 #endif 431 #ifndef elf_backend_always_size_sections 432 #define elf_backend_always_size_sections 0 433 #endif 434 #ifndef elf_backend_size_dynamic_sections 435 #define elf_backend_size_dynamic_sections 0 436 #endif 437 #ifndef elf_backend_init_index_section 438 #define elf_backend_init_index_section \ 439 ((void (*) (bfd *, struct bfd_link_info *)) bfd_void) 440 #endif 441 #ifndef elf_backend_relocate_section 442 #define elf_backend_relocate_section 0 443 #endif 444 #ifndef elf_backend_finish_dynamic_symbol 445 #define elf_backend_finish_dynamic_symbol 0 446 #endif 447 #ifndef elf_backend_finish_dynamic_sections 448 #define elf_backend_finish_dynamic_sections 0 449 #endif 450 #ifndef elf_backend_begin_write_processing 451 #define elf_backend_begin_write_processing 0 452 #endif 453 #ifndef elf_backend_final_write_processing 454 #define elf_backend_final_write_processing 0 455 #endif 456 #ifndef elf_backend_additional_program_headers 457 #define elf_backend_additional_program_headers 0 458 #endif 459 #ifndef elf_backend_modify_segment_map 460 #define elf_backend_modify_segment_map 0 461 #endif 462 #ifndef elf_backend_modify_program_headers 463 #define elf_backend_modify_program_headers 0 464 #endif 465 #ifndef elf_backend_ecoff_debug_swap 466 #define elf_backend_ecoff_debug_swap 0 467 #endif 468 #ifndef elf_backend_bfd_from_remote_memory 469 #define elf_backend_bfd_from_remote_memory _bfd_elfNN_bfd_from_remote_memory 470 #endif 471 #ifndef elf_backend_got_header_size 472 #define elf_backend_got_header_size 0 473 #endif 474 #ifndef elf_backend_got_elt_size 475 #define elf_backend_got_elt_size _bfd_elf_default_got_elt_size 476 #endif 477 #ifndef elf_backend_obj_attrs_vendor 478 #define elf_backend_obj_attrs_vendor NULL 479 #endif 480 #ifndef elf_backend_obj_attrs_section 481 #define elf_backend_obj_attrs_section NULL 482 #endif 483 #ifndef elf_backend_obj_attrs_arg_type 484 #define elf_backend_obj_attrs_arg_type NULL 485 #endif 486 #ifndef elf_backend_obj_attrs_section_type 487 #define elf_backend_obj_attrs_section_type SHT_GNU_ATTRIBUTES 488 #endif 489 #ifndef elf_backend_obj_attrs_order 490 #define elf_backend_obj_attrs_order NULL 491 #endif 492 #ifndef elf_backend_obj_attrs_handle_unknown 493 #define elf_backend_obj_attrs_handle_unknown NULL 494 #endif 495 #ifndef elf_backend_static_tls_alignment 496 #define elf_backend_static_tls_alignment 1 497 #endif 498 #ifndef elf_backend_post_process_headers 499 #define elf_backend_post_process_headers _bfd_elf_post_process_headers 500 #endif 501 #ifndef elf_backend_print_symbol_all 502 #define elf_backend_print_symbol_all NULL 503 #endif 504 #ifndef elf_backend_output_arch_local_syms 505 #define elf_backend_output_arch_local_syms NULL 506 #endif 507 #ifndef elf_backend_output_arch_syms 508 #define elf_backend_output_arch_syms NULL 509 #endif 510 #ifndef elf_backend_copy_indirect_symbol 511 #define elf_backend_copy_indirect_symbol _bfd_elf_link_hash_copy_indirect 512 #endif 513 #ifndef elf_backend_hide_symbol 514 #define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol 515 #endif 516 #ifndef elf_backend_fixup_symbol 517 #define elf_backend_fixup_symbol NULL 518 #endif 519 #ifndef elf_backend_merge_symbol_attribute 520 #define elf_backend_merge_symbol_attribute NULL 521 #endif 522 #ifndef elf_backend_get_target_dtag 523 #define elf_backend_get_target_dtag NULL 524 #endif 525 #ifndef elf_backend_ignore_undef_symbol 526 #define elf_backend_ignore_undef_symbol NULL 527 #endif 528 #ifndef elf_backend_emit_relocs 529 #define elf_backend_emit_relocs _bfd_elf_link_output_relocs 530 #endif 531 #ifndef elf_backend_count_relocs 532 #define elf_backend_count_relocs NULL 533 #endif 534 #ifndef elf_backend_grok_prstatus 535 #define elf_backend_grok_prstatus NULL 536 #endif 537 #ifndef elf_backend_grok_psinfo 538 #define elf_backend_grok_psinfo NULL 539 #endif 540 #ifndef elf_backend_write_core_note 541 #define elf_backend_write_core_note NULL 542 #endif 543 #ifndef elf_backend_lookup_section_flags_hook 544 #define elf_backend_lookup_section_flags_hook NULL 545 #endif 546 #ifndef elf_backend_reloc_type_class 547 #define elf_backend_reloc_type_class _bfd_elf_reloc_type_class 548 #endif 549 #ifndef elf_backend_discard_info 550 #define elf_backend_discard_info NULL 551 #endif 552 #ifndef elf_backend_ignore_discarded_relocs 553 #define elf_backend_ignore_discarded_relocs NULL 554 #endif 555 #ifndef elf_backend_action_discarded 556 #define elf_backend_action_discarded _bfd_elf_default_action_discarded 557 #endif 558 #ifndef elf_backend_eh_frame_address_size 559 #define elf_backend_eh_frame_address_size _bfd_elf_eh_frame_address_size 560 #endif 561 #ifndef elf_backend_can_make_relative_eh_frame 562 #define elf_backend_can_make_relative_eh_frame _bfd_elf_can_make_relative 563 #endif 564 #ifndef elf_backend_can_make_lsda_relative_eh_frame 565 #define elf_backend_can_make_lsda_relative_eh_frame _bfd_elf_can_make_relative 566 #endif 567 #ifndef elf_backend_encode_eh_address 568 #define elf_backend_encode_eh_address _bfd_elf_encode_eh_address 569 #endif 570 #ifndef elf_backend_write_section 571 #define elf_backend_write_section NULL 572 #endif 573 #ifndef elf_backend_mips_irix_compat 574 #define elf_backend_mips_irix_compat NULL 575 #endif 576 #ifndef elf_backend_mips_rtype_to_howto 577 #define elf_backend_mips_rtype_to_howto NULL 578 #endif 579 580 /* Previously, backends could only use SHT_REL or SHT_RELA relocation 581 sections, but not both. They defined USE_REL to indicate SHT_REL 582 sections, and left it undefined to indicated SHT_RELA sections. 583 For backwards compatibility, we still support this usage. */ 584 #ifndef USE_REL 585 #define USE_REL 0 586 #endif 587 588 /* Use these in new code. */ 589 #ifndef elf_backend_may_use_rel_p 590 #define elf_backend_may_use_rel_p USE_REL 591 #endif 592 #ifndef elf_backend_may_use_rela_p 593 #define elf_backend_may_use_rela_p !USE_REL 594 #endif 595 #ifndef elf_backend_default_use_rela_p 596 #define elf_backend_default_use_rela_p !USE_REL 597 #endif 598 #ifndef elf_backend_rela_plts_and_copies_p 599 #define elf_backend_rela_plts_and_copies_p elf_backend_default_use_rela_p 600 #endif 601 602 #ifndef elf_backend_rela_normal 603 #define elf_backend_rela_normal 0 604 #endif 605 606 #ifndef elf_backend_plt_sym_val 607 #define elf_backend_plt_sym_val NULL 608 #endif 609 #ifndef elf_backend_relplt_name 610 #define elf_backend_relplt_name NULL 611 #endif 612 613 #ifndef ELF_MACHINE_ALT1 614 #define ELF_MACHINE_ALT1 0 615 #endif 616 617 #ifndef ELF_MACHINE_ALT2 618 #define ELF_MACHINE_ALT2 0 619 #endif 620 621 #ifndef elf_backend_size_info 622 #define elf_backend_size_info _bfd_elfNN_size_info 623 #endif 624 625 #ifndef elf_backend_special_sections 626 #define elf_backend_special_sections NULL 627 #endif 628 629 #ifndef elf_backend_sign_extend_vma 630 #define elf_backend_sign_extend_vma 0 631 #endif 632 633 #ifndef elf_backend_link_order_error_handler 634 #define elf_backend_link_order_error_handler _bfd_default_error_handler 635 #endif 636 637 #ifndef elf_backend_common_definition 638 #define elf_backend_common_definition _bfd_elf_common_definition 639 #endif 640 641 #ifndef elf_backend_common_section_index 642 #define elf_backend_common_section_index _bfd_elf_common_section_index 643 #endif 644 645 #ifndef elf_backend_common_section 646 #define elf_backend_common_section _bfd_elf_common_section 647 #endif 648 649 #ifndef elf_backend_merge_symbol 650 #define elf_backend_merge_symbol NULL 651 #endif 652 653 #ifndef elf_backend_hash_symbol 654 #define elf_backend_hash_symbol _bfd_elf_hash_symbol 655 #endif 656 657 #ifndef elf_backend_is_function_type 658 #define elf_backend_is_function_type _bfd_elf_is_function_type 659 #endif 660 661 #ifndef elf_backend_maybe_function_sym 662 #define elf_backend_maybe_function_sym _bfd_elf_maybe_function_sym 663 #endif 664 665 #ifndef elf_match_priority 666 #define elf_match_priority \ 667 (ELF_ARCH == bfd_arch_unknown ? 2 : ELF_OSABI == ELFOSABI_NONE ? 1 : 0) 668 #endif 669 670 extern const struct elf_size_info _bfd_elfNN_size_info; 671 672 static struct elf_backend_data elfNN_bed = 673 { 674 ELF_ARCH, /* arch */ 675 ELF_TARGET_ID, /* target_id */ 676 ELF_MACHINE_CODE, /* elf_machine_code */ 677 ELF_OSABI, /* elf_osabi */ 678 ELF_MAXPAGESIZE, /* maxpagesize */ 679 ELF_MINPAGESIZE, /* minpagesize */ 680 ELF_COMMONPAGESIZE, /* commonpagesize */ 681 ELF_DYNAMIC_SEC_FLAGS, /* dynamic_sec_flags */ 682 elf_backend_arch_data, 683 elf_info_to_howto, 684 elf_info_to_howto_rel, 685 elf_backend_sym_is_global, 686 elf_backend_object_p, 687 elf_backend_symbol_processing, 688 elf_backend_symbol_table_processing, 689 elf_backend_get_symbol_type, 690 elf_backend_archive_symbol_lookup, 691 elf_backend_name_local_section_symbols, 692 elf_backend_section_processing, 693 elf_backend_section_from_shdr, 694 elf_backend_section_flags, 695 elf_backend_get_sec_type_attr, 696 elf_backend_section_from_phdr, 697 elf_backend_fake_sections, 698 elf_backend_section_from_bfd_section, 699 elf_backend_add_symbol_hook, 700 elf_backend_link_output_symbol_hook, 701 elf_backend_create_dynamic_sections, 702 elf_backend_omit_section_dynsym, 703 elf_backend_relocs_compatible, 704 elf_backend_check_relocs, 705 elf_backend_check_directives, 706 elf_backend_notice_as_needed, 707 elf_backend_adjust_dynamic_symbol, 708 elf_backend_always_size_sections, 709 elf_backend_size_dynamic_sections, 710 elf_backend_init_index_section, 711 elf_backend_relocate_section, 712 elf_backend_finish_dynamic_symbol, 713 elf_backend_finish_dynamic_sections, 714 elf_backend_begin_write_processing, 715 elf_backend_final_write_processing, 716 elf_backend_additional_program_headers, 717 elf_backend_modify_segment_map, 718 elf_backend_modify_program_headers, 719 elf_backend_gc_keep, 720 elf_backend_gc_mark_dynamic_ref, 721 elf_backend_gc_mark_hook, 722 elf_backend_gc_mark_extra_sections, 723 elf_backend_gc_sweep_hook, 724 elf_backend_post_process_headers, 725 elf_backend_print_symbol_all, 726 elf_backend_output_arch_local_syms, 727 elf_backend_output_arch_syms, 728 elf_backend_copy_indirect_symbol, 729 elf_backend_hide_symbol, 730 elf_backend_fixup_symbol, 731 elf_backend_merge_symbol_attribute, 732 elf_backend_get_target_dtag, 733 elf_backend_ignore_undef_symbol, 734 elf_backend_emit_relocs, 735 elf_backend_count_relocs, 736 elf_backend_grok_prstatus, 737 elf_backend_grok_psinfo, 738 elf_backend_write_core_note, 739 elf_backend_lookup_section_flags_hook, 740 elf_backend_reloc_type_class, 741 elf_backend_discard_info, 742 elf_backend_ignore_discarded_relocs, 743 elf_backend_action_discarded, 744 elf_backend_eh_frame_address_size, 745 elf_backend_can_make_relative_eh_frame, 746 elf_backend_can_make_lsda_relative_eh_frame, 747 elf_backend_encode_eh_address, 748 elf_backend_write_section, 749 elf_backend_mips_irix_compat, 750 elf_backend_mips_rtype_to_howto, 751 elf_backend_ecoff_debug_swap, 752 elf_backend_bfd_from_remote_memory, 753 elf_backend_plt_sym_val, 754 elf_backend_common_definition, 755 elf_backend_common_section_index, 756 elf_backend_common_section, 757 elf_backend_merge_symbol, 758 elf_backend_hash_symbol, 759 elf_backend_is_function_type, 760 elf_backend_maybe_function_sym, 761 elf_backend_link_order_error_handler, 762 elf_backend_relplt_name, 763 ELF_MACHINE_ALT1, 764 ELF_MACHINE_ALT2, 765 &elf_backend_size_info, 766 elf_backend_special_sections, 767 elf_backend_got_header_size, 768 elf_backend_got_elt_size, 769 elf_backend_obj_attrs_vendor, 770 elf_backend_obj_attrs_section, 771 elf_backend_obj_attrs_arg_type, 772 elf_backend_obj_attrs_section_type, 773 elf_backend_obj_attrs_order, 774 elf_backend_obj_attrs_handle_unknown, 775 elf_backend_static_tls_alignment, 776 elf_backend_stack_align, 777 elf_backend_collect, 778 elf_backend_type_change_ok, 779 elf_backend_may_use_rel_p, 780 elf_backend_may_use_rela_p, 781 elf_backend_default_use_rela_p, 782 elf_backend_rela_plts_and_copies_p, 783 elf_backend_rela_normal, 784 elf_backend_sign_extend_vma, 785 elf_backend_want_got_plt, 786 elf_backend_plt_readonly, 787 elf_backend_want_plt_sym, 788 elf_backend_plt_not_loaded, 789 elf_backend_plt_alignment, 790 elf_backend_can_gc_sections, 791 elf_backend_can_refcount, 792 elf_backend_want_got_sym, 793 elf_backend_want_dynbss, 794 elf_backend_want_p_paddr_set_to_zero, 795 elf_backend_default_execstack, 796 elf_backend_caches_rawsize 797 }; 798 799 /* Forward declaration for use when initialising alternative_target field. */ 800 #ifdef TARGET_LITTLE_SYM 801 extern const bfd_target TARGET_LITTLE_SYM; 802 #endif 803 804 #ifdef TARGET_BIG_SYM 805 const bfd_target TARGET_BIG_SYM = 806 { 807 /* name: identify kind of target */ 808 TARGET_BIG_NAME, 809 810 /* flavour: general indication about file */ 811 bfd_target_elf_flavour, 812 813 /* byteorder: data is big endian */ 814 BFD_ENDIAN_BIG, 815 816 /* header_byteorder: header is also big endian */ 817 BFD_ENDIAN_BIG, 818 819 /* object_flags: mask of all file flags */ 820 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS 821 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS), 822 823 /* section_flags: mask of all section flags */ 824 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY 825 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES 826 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP), 827 828 /* leading_symbol_char: is the first char of a user symbol 829 predictable, and if so what is it */ 830 elf_symbol_leading_char, 831 832 /* ar_pad_char: pad character for filenames within an archive header 833 FIXME: this really has nothing to do with ELF, this is a characteristic 834 of the archiver and/or os and should be independently tunable */ 835 '/', 836 837 /* ar_max_namelen: maximum number of characters in an archive header 838 FIXME: this really has nothing to do with ELF, this is a characteristic 839 of the archiver and should be independently tunable. The System V ABI, 840 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */ 841 15, 842 843 elf_match_priority, 844 845 /* Routines to byte-swap various sized integers from the data sections */ 846 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 847 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 848 bfd_getb16, bfd_getb_signed_16, bfd_putb16, 849 850 /* Routines to byte-swap various sized integers from the file headers */ 851 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 852 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 853 bfd_getb16, bfd_getb_signed_16, bfd_putb16, 854 855 /* bfd_check_format: check the format of a file being read */ 856 { _bfd_dummy_target, /* unknown format */ 857 bfd_elfNN_object_p, /* assembler/linker output (object file) */ 858 bfd_elfNN_archive_p, /* an archive */ 859 bfd_elfNN_core_file_p /* a core file */ 860 }, 861 862 /* bfd_set_format: set the format of a file being written */ 863 { bfd_false, 864 bfd_elfNN_mkobject, 865 bfd_elfNN_mkarchive, 866 bfd_elfNN_mkcorefile 867 }, 868 869 /* bfd_write_contents: write cached information into a file being written */ 870 { bfd_false, 871 bfd_elfNN_write_object_contents, 872 bfd_elfNN_write_archive_contents, 873 bfd_elfNN_write_corefile_contents, 874 }, 875 876 BFD_JUMP_TABLE_GENERIC (bfd_elfNN), 877 BFD_JUMP_TABLE_COPY (bfd_elfNN), 878 BFD_JUMP_TABLE_CORE (bfd_elfNN), 879 #ifdef bfd_elfNN_archive_functions 880 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive), 881 #else 882 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), 883 #endif 884 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN), 885 BFD_JUMP_TABLE_RELOCS (bfd_elfNN), 886 BFD_JUMP_TABLE_WRITE (bfd_elfNN), 887 BFD_JUMP_TABLE_LINK (bfd_elfNN), 888 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN), 889 890 /* Alternative endian target. */ 891 #ifdef TARGET_LITTLE_SYM 892 & TARGET_LITTLE_SYM, 893 #else 894 NULL, 895 #endif 896 897 /* backend_data: */ 898 &elfNN_bed 899 }; 900 #endif 901 902 #ifdef TARGET_LITTLE_SYM 903 const bfd_target TARGET_LITTLE_SYM = 904 { 905 /* name: identify kind of target */ 906 TARGET_LITTLE_NAME, 907 908 /* flavour: general indication about file */ 909 bfd_target_elf_flavour, 910 911 /* byteorder: data is little endian */ 912 BFD_ENDIAN_LITTLE, 913 914 /* header_byteorder: header is also little endian */ 915 BFD_ENDIAN_LITTLE, 916 917 /* object_flags: mask of all file flags */ 918 (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS 919 | DYNAMIC | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS), 920 921 /* section_flags: mask of all section flags */ 922 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY 923 | SEC_CODE | SEC_DATA | SEC_DEBUGGING | SEC_EXCLUDE | SEC_SORT_ENTRIES 924 | SEC_SMALL_DATA | SEC_MERGE | SEC_STRINGS | SEC_GROUP), 925 926 /* leading_symbol_char: is the first char of a user symbol 927 predictable, and if so what is it */ 928 elf_symbol_leading_char, 929 930 /* ar_pad_char: pad character for filenames within an archive header 931 FIXME: this really has nothing to do with ELF, this is a characteristic 932 of the archiver and/or os and should be independently tunable */ 933 '/', 934 935 /* ar_max_namelen: maximum number of characters in an archive header 936 FIXME: this really has nothing to do with ELF, this is a characteristic 937 of the archiver and should be independently tunable. The System V ABI, 938 Chapter 7 (Formats & Protocols), Archive section sets this as 15. */ 939 15, 940 941 elf_match_priority, 942 943 /* Routines to byte-swap various sized integers from the data sections */ 944 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 945 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 946 bfd_getl16, bfd_getl_signed_16, bfd_putl16, 947 948 /* Routines to byte-swap various sized integers from the file headers */ 949 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 950 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 951 bfd_getl16, bfd_getl_signed_16, bfd_putl16, 952 953 /* bfd_check_format: check the format of a file being read */ 954 { _bfd_dummy_target, /* unknown format */ 955 bfd_elfNN_object_p, /* assembler/linker output (object file) */ 956 bfd_elfNN_archive_p, /* an archive */ 957 bfd_elfNN_core_file_p /* a core file */ 958 }, 959 960 /* bfd_set_format: set the format of a file being written */ 961 { bfd_false, 962 bfd_elfNN_mkobject, 963 bfd_elfNN_mkarchive, 964 bfd_elfNN_mkcorefile 965 }, 966 967 /* bfd_write_contents: write cached information into a file being written */ 968 { bfd_false, 969 bfd_elfNN_write_object_contents, 970 bfd_elfNN_write_archive_contents, 971 bfd_elfNN_write_corefile_contents, 972 }, 973 974 BFD_JUMP_TABLE_GENERIC (bfd_elfNN), 975 BFD_JUMP_TABLE_COPY (bfd_elfNN), 976 BFD_JUMP_TABLE_CORE (bfd_elfNN), 977 #ifdef bfd_elfNN_archive_functions 978 BFD_JUMP_TABLE_ARCHIVE (bfd_elfNN_archive), 979 #else 980 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), 981 #endif 982 BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN), 983 BFD_JUMP_TABLE_RELOCS (bfd_elfNN), 984 BFD_JUMP_TABLE_WRITE (bfd_elfNN), 985 BFD_JUMP_TABLE_LINK (bfd_elfNN), 986 BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN), 987 988 /* Alternative endian target. */ 989 #ifdef TARGET_BIG_SYM 990 & TARGET_BIG_SYM, 991 #else 992 NULL, 993 #endif 994 995 /* backend_data: */ 996 &elfNN_bed 997 }; 998 #endif 999
