| 1 | /* Target definitions for NN-bit ELF |
| 2 | Copyright 1993, 1994, 1995 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | /* This structure contains everything that BFD knows about a target. |
| 21 | It includes things like its byte order, name, what routines to call |
| 22 | to do various operations, etc. Every BFD points to a target structure |
| 23 | with its "xvec" member. |
| 24 | |
| 25 | There are two such structures here: one for big-endian machines and |
| 26 | one for little-endian machines. */ |
| 27 | |
| 28 | #define bfd_elfNN_close_and_cleanup _bfd_generic_close_and_cleanup |
| 29 | #define bfd_elfNN_bfd_free_cached_info _bfd_generic_bfd_free_cached_info |
| 30 | #ifndef bfd_elfNN_get_section_contents |
| 31 | #define bfd_elfNN_get_section_contents _bfd_generic_get_section_contents |
| 32 | #endif |
| 33 | |
| 34 | #define bfd_elfNN_bfd_debug_info_start bfd_void |
| 35 | #define bfd_elfNN_bfd_debug_info_end bfd_void |
| 36 | #define bfd_elfNN_bfd_debug_info_accumulate (PROTO(void,(*),(bfd*, struct sec *))) bfd_void |
| 37 | |
| 38 | #ifndef bfd_elfNN_bfd_get_relocated_section_contents |
| 39 | #define bfd_elfNN_bfd_get_relocated_section_contents \ |
| 40 | bfd_generic_get_relocated_section_contents |
| 41 | #endif |
| 42 | |
| 43 | #define bfd_elfNN_bfd_relax_section bfd_generic_relax_section |
| 44 | #define bfd_elfNN_bfd_make_debug_symbol \ |
| 45 | ((asymbol *(*) PARAMS ((bfd *, void *, unsigned long))) bfd_nullvoidptr) |
| 46 | |
| 47 | #ifndef bfd_elfNN_bfd_copy_private_symbol_data |
| 48 | #define bfd_elfNN_bfd_copy_private_symbol_data \ |
| 49 | ((boolean (*) PARAMS ((bfd *, asymbol *, bfd *, asymbol *))) bfd_true) |
| 50 | #endif |
| 51 | #ifndef bfd_elfNN_bfd_copy_private_section_data |
| 52 | #define bfd_elfNN_bfd_copy_private_section_data \ |
| 53 | ((boolean (*) PARAMS ((bfd *, asection *, bfd *, asection *))) bfd_true) |
| 54 | #endif |
| 55 | #ifndef bfd_elfNN_bfd_copy_private_bfd_data |
| 56 | #define bfd_elfNN_bfd_copy_private_bfd_data \ |
| 57 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) |
| 58 | #endif |
| 59 | #ifndef bfd_elfNN_bfd_merge_private_bfd_data |
| 60 | #define bfd_elfNN_bfd_merge_private_bfd_data \ |
| 61 | ((boolean (*) PARAMS ((bfd *, bfd *))) bfd_true) |
| 62 | #endif |
| 63 | #ifndef bfd_elfNN_bfd_set_private_flags |
| 64 | #define bfd_elfNN_bfd_set_private_flags \ |
| 65 | ((boolean (*) PARAMS ((bfd *, flagword))) bfd_true) |
| 66 | #endif |
| 67 | #ifndef bfd_elfNN_bfd_is_local_label |
| 68 | #define bfd_elfNN_bfd_is_local_label bfd_generic_is_local_label |
| 69 | #endif |
| 70 | |
| 71 | #ifndef bfd_elfNN_get_dynamic_reloc_upper_bound |
| 72 | #define bfd_elfNN_get_dynamic_reloc_upper_bound \ |
| 73 | _bfd_nodynamic_get_dynamic_reloc_upper_bound |
| 74 | #endif |
| 75 | #ifndef bfd_elfNN_canonicalize_dynamic_reloc |
| 76 | #define bfd_elfNN_canonicalize_dynamic_reloc \ |
| 77 | _bfd_nodynamic_canonicalize_dynamic_reloc |
| 78 | #endif |
| 79 | |
| 80 | #ifdef elf_backend_relocate_section |
| 81 | #ifndef bfd_elfNN_bfd_link_hash_table_create |
| 82 | #define bfd_elfNN_bfd_link_hash_table_create _bfd_elf_link_hash_table_create |
| 83 | #endif |
| 84 | #else /* ! defined (elf_backend_relocate_section) */ |
| 85 | /* If no backend relocate_section routine, use the generic linker. */ |
| 86 | #ifndef bfd_elfNN_bfd_link_hash_table_create |
| 87 | #define bfd_elfNN_bfd_link_hash_table_create \ |
| 88 | _bfd_generic_link_hash_table_create |
| 89 | #endif |
| 90 | #ifndef bfd_elfNN_bfd_link_add_symbols |
| 91 | #define bfd_elfNN_bfd_link_add_symbols _bfd_generic_link_add_symbols |
| 92 | #endif |
| 93 | #ifndef bfd_elfNN_bfd_final_link |
| 94 | #define bfd_elfNN_bfd_final_link _bfd_generic_final_link |
| 95 | #endif |
| 96 | #endif /* ! defined (elf_backend_relocate_section) */ |
| 97 | #ifndef bfd_elfNN_bfd_link_split_section |
| 98 | #define bfd_elfNN_bfd_link_split_section _bfd_generic_link_split_section |
| 99 | #endif |
| 100 | |
| 101 | #ifndef elf_info_to_howto_rel |
| 102 | #define elf_info_to_howto_rel 0 |
| 103 | #endif |
| 104 | |
| 105 | #ifndef ELF_MAXPAGESIZE |
| 106 | #define ELF_MAXPAGESIZE 1 |
| 107 | #endif |
| 108 | |
| 109 | #ifndef elf_backend_collect |
| 110 | #define elf_backend_collect false |
| 111 | #endif |
| 112 | |
| 113 | #ifndef elf_backend_sym_is_global |
| 114 | #define elf_backend_sym_is_global 0 |
| 115 | #endif |
| 116 | #ifndef elf_backend_object_p |
| 117 | #define elf_backend_object_p 0 |
| 118 | #endif |
| 119 | #ifndef elf_backend_symbol_processing |
| 120 | #define elf_backend_symbol_processing 0 |
| 121 | #endif |
| 122 | #ifndef elf_backend_symbol_table_processing |
| 123 | #define elf_backend_symbol_table_processing 0 |
| 124 | #endif |
| 125 | #ifndef elf_backend_section_processing |
| 126 | #define elf_backend_section_processing 0 |
| 127 | #endif |
| 128 | #ifndef elf_backend_section_from_shdr |
| 129 | #define elf_backend_section_from_shdr 0 |
| 130 | #endif |
| 131 | #ifndef elf_backend_fake_sections |
| 132 | #define elf_backend_fake_sections 0 |
| 133 | #endif |
| 134 | #ifndef elf_backend_section_from_bfd_section |
| 135 | #define elf_backend_section_from_bfd_section 0 |
| 136 | #endif |
| 137 | #ifndef elf_backend_add_symbol_hook |
| 138 | #define elf_backend_add_symbol_hook 0 |
| 139 | #endif |
| 140 | #ifndef elf_backend_link_output_symbol_hook |
| 141 | #define elf_backend_link_output_symbol_hook 0 |
| 142 | #endif |
| 143 | #ifndef elf_backend_create_dynamic_sections |
| 144 | #define elf_backend_create_dynamic_sections 0 |
| 145 | #endif |
| 146 | #ifndef elf_backend_check_relocs |
| 147 | #define elf_backend_check_relocs 0 |
| 148 | #endif |
| 149 | #ifndef elf_backend_adjust_dynamic_symbol |
| 150 | #define elf_backend_adjust_dynamic_symbol 0 |
| 151 | #endif |
| 152 | #ifndef elf_backend_size_dynamic_sections |
| 153 | #define elf_backend_size_dynamic_sections 0 |
| 154 | #endif |
| 155 | #ifndef elf_backend_relocate_section |
| 156 | #define elf_backend_relocate_section 0 |
| 157 | #endif |
| 158 | #ifndef elf_backend_finish_dynamic_symbol |
| 159 | #define elf_backend_finish_dynamic_symbol 0 |
| 160 | #endif |
| 161 | #ifndef elf_backend_finish_dynamic_sections |
| 162 | #define elf_backend_finish_dynamic_sections 0 |
| 163 | #endif |
| 164 | #ifndef elf_backend_begin_write_processing |
| 165 | #define elf_backend_begin_write_processing 0 |
| 166 | #endif |
| 167 | #ifndef elf_backend_final_write_processing |
| 168 | #define elf_backend_final_write_processing 0 |
| 169 | #endif |
| 170 | #ifndef elf_backend_ecoff_debug_swap |
| 171 | #define elf_backend_ecoff_debug_swap 0 |
| 172 | #endif |
| 173 | |
| 174 | #ifndef ELF_MACHINE_ALT1 |
| 175 | #define ELF_MACHINE_ALT1 0 |
| 176 | #endif |
| 177 | |
| 178 | #ifndef ELF_MACHINE_ALT2 |
| 179 | #define ELF_MACHINE_ALT2 0 |
| 180 | #endif |
| 181 | |
| 182 | static CONST struct elf_backend_data elfNN_bed = |
| 183 | { |
| 184 | #ifdef USE_REL |
| 185 | 0, /* use_rela_p */ |
| 186 | #else |
| 187 | 1, /* use_rela_p */ |
| 188 | #endif |
| 189 | ELF_ARCH, /* arch */ |
| 190 | ELF_MACHINE_CODE, /* elf_machine_code */ |
| 191 | ELF_MAXPAGESIZE, /* maxpagesize */ |
| 192 | elf_backend_collect, |
| 193 | elf_info_to_howto, |
| 194 | elf_info_to_howto_rel, |
| 195 | elf_backend_sym_is_global, |
| 196 | elf_backend_object_p, |
| 197 | elf_backend_symbol_processing, |
| 198 | elf_backend_symbol_table_processing, |
| 199 | elf_backend_section_processing, |
| 200 | elf_backend_section_from_shdr, |
| 201 | elf_backend_fake_sections, |
| 202 | elf_backend_section_from_bfd_section, |
| 203 | elf_backend_add_symbol_hook, |
| 204 | elf_backend_link_output_symbol_hook, |
| 205 | elf_backend_create_dynamic_sections, |
| 206 | elf_backend_check_relocs, |
| 207 | elf_backend_adjust_dynamic_symbol, |
| 208 | elf_backend_size_dynamic_sections, |
| 209 | elf_backend_relocate_section, |
| 210 | elf_backend_finish_dynamic_symbol, |
| 211 | elf_backend_finish_dynamic_sections, |
| 212 | elf_backend_begin_write_processing, |
| 213 | elf_backend_final_write_processing, |
| 214 | elf_backend_ecoff_debug_swap, |
| 215 | ELF_MACHINE_ALT1, |
| 216 | ELF_MACHINE_ALT2 |
| 217 | }; |
| 218 | |
| 219 | #ifdef TARGET_BIG_SYM |
| 220 | const bfd_target TARGET_BIG_SYM = |
| 221 | { |
| 222 | /* name: identify kind of target */ |
| 223 | TARGET_BIG_NAME, |
| 224 | |
| 225 | /* flavour: general indication about file */ |
| 226 | bfd_target_elf_flavour, |
| 227 | |
| 228 | /* byteorder_big_p: data is big endian */ |
| 229 | true, |
| 230 | |
| 231 | /* header_byteorder_big_p: header is also big endian */ |
| 232 | true, |
| 233 | |
| 234 | /* object_flags: mask of all file flags */ |
| 235 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | |
| 236 | DYNAMIC | WP_TEXT | D_PAGED), |
| 237 | |
| 238 | /* section_flags: mask of all section flags */ |
| 239 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | |
| 240 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
| 241 | |
| 242 | /* leading_symbol_char: is the first char of a user symbol |
| 243 | predictable, and if so what is it */ |
| 244 | 0, |
| 245 | |
| 246 | /* ar_pad_char: pad character for filenames within an archive header |
| 247 | FIXME: this really has nothing to do with ELF, this is a characteristic |
| 248 | of the archiver and/or os and should be independently tunable */ |
| 249 | '/', |
| 250 | |
| 251 | /* ar_max_namelen: maximum number of characters in an archive header |
| 252 | FIXME: this really has nothing to do with ELF, this is a characteristic |
| 253 | of the archiver and should be independently tunable. This value is |
| 254 | a WAG (wild a** guess) */ |
| 255 | 14, |
| 256 | |
| 257 | /* align_power_min: minimum alignment restriction for any section |
| 258 | FIXME: this value may be target machine dependent */ |
| 259 | 3, |
| 260 | |
| 261 | /* Routines to byte-swap various sized integers from the data sections */ |
| 262 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 263 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 264 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, |
| 265 | |
| 266 | /* Routines to byte-swap various sized integers from the file headers */ |
| 267 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 268 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 269 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, |
| 270 | |
| 271 | /* bfd_check_format: check the format of a file being read */ |
| 272 | { _bfd_dummy_target, /* unknown format */ |
| 273 | bfd_elfNN_object_p, /* assembler/linker output (object file) */ |
| 274 | bfd_generic_archive_p, /* an archive */ |
| 275 | bfd_elfNN_core_file_p /* a core file */ |
| 276 | }, |
| 277 | |
| 278 | /* bfd_set_format: set the format of a file being written */ |
| 279 | { bfd_false, |
| 280 | bfd_elf_mkobject, |
| 281 | _bfd_generic_mkarchive, |
| 282 | bfd_false |
| 283 | }, |
| 284 | |
| 285 | /* bfd_write_contents: write cached information into a file being written */ |
| 286 | { bfd_false, |
| 287 | bfd_elfNN_write_object_contents, |
| 288 | _bfd_write_archive_contents, |
| 289 | bfd_false |
| 290 | }, |
| 291 | |
| 292 | BFD_JUMP_TABLE_GENERIC (bfd_elfNN), |
| 293 | BFD_JUMP_TABLE_COPY (bfd_elfNN), |
| 294 | BFD_JUMP_TABLE_CORE (bfd_elfNN), |
| 295 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), |
| 296 | BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN), |
| 297 | BFD_JUMP_TABLE_RELOCS (bfd_elfNN), |
| 298 | BFD_JUMP_TABLE_WRITE (bfd_elfNN), |
| 299 | BFD_JUMP_TABLE_LINK (bfd_elfNN), |
| 300 | BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN), |
| 301 | |
| 302 | /* backend_data: */ |
| 303 | (PTR) &elfNN_bed, |
| 304 | }; |
| 305 | #endif |
| 306 | |
| 307 | #ifdef TARGET_LITTLE_SYM |
| 308 | const bfd_target TARGET_LITTLE_SYM = |
| 309 | { |
| 310 | /* name: identify kind of target */ |
| 311 | TARGET_LITTLE_NAME, |
| 312 | |
| 313 | /* flavour: general indication about file */ |
| 314 | bfd_target_elf_flavour, |
| 315 | |
| 316 | /* byteorder_big_p: data is big endian */ |
| 317 | false, /* Nope -- this one's little endian */ |
| 318 | |
| 319 | /* header_byteorder_big_p: header is also big endian */ |
| 320 | false, /* Nope -- this one's little endian */ |
| 321 | |
| 322 | /* object_flags: mask of all file flags */ |
| 323 | (HAS_RELOC | EXEC_P | HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS | |
| 324 | DYNAMIC | WP_TEXT | D_PAGED), |
| 325 | |
| 326 | /* section_flags: mask of all section flags */ |
| 327 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | |
| 328 | SEC_CODE | SEC_DATA | SEC_DEBUGGING), |
| 329 | |
| 330 | /* leading_symbol_char: is the first char of a user symbol |
| 331 | predictable, and if so what is it */ |
| 332 | 0, |
| 333 | |
| 334 | /* ar_pad_char: pad character for filenames within an archive header |
| 335 | FIXME: this really has nothing to do with ELF, this is a characteristic |
| 336 | of the archiver and/or os and should be independently tunable */ |
| 337 | '/', |
| 338 | |
| 339 | /* ar_max_namelen: maximum number of characters in an archive header |
| 340 | FIXME: this really has nothing to do with ELF, this is a characteristic |
| 341 | of the archiver and should be independently tunable. This value is |
| 342 | a WAG (wild a** guess) */ |
| 343 | 14, |
| 344 | |
| 345 | /* align_power_min: minimum alignment restriction for any section |
| 346 | FIXME: this value may be target machine dependent */ |
| 347 | 3, |
| 348 | |
| 349 | /* Routines to byte-swap various sized integers from the data sections */ |
| 350 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 351 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 352 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, |
| 353 | |
| 354 | /* Routines to byte-swap various sized integers from the file headers */ |
| 355 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 356 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 357 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, |
| 358 | |
| 359 | /* bfd_check_format: check the format of a file being read */ |
| 360 | { _bfd_dummy_target, /* unknown format */ |
| 361 | bfd_elfNN_object_p, /* assembler/linker output (object file) */ |
| 362 | bfd_generic_archive_p, /* an archive */ |
| 363 | bfd_elfNN_core_file_p /* a core file */ |
| 364 | }, |
| 365 | |
| 366 | /* bfd_set_format: set the format of a file being written */ |
| 367 | { bfd_false, |
| 368 | bfd_elf_mkobject, |
| 369 | _bfd_generic_mkarchive, |
| 370 | bfd_false |
| 371 | }, |
| 372 | |
| 373 | /* bfd_write_contents: write cached information into a file being written */ |
| 374 | { bfd_false, |
| 375 | bfd_elfNN_write_object_contents, |
| 376 | _bfd_write_archive_contents, |
| 377 | bfd_false |
| 378 | }, |
| 379 | |
| 380 | BFD_JUMP_TABLE_GENERIC (bfd_elfNN), |
| 381 | BFD_JUMP_TABLE_COPY (bfd_elfNN), |
| 382 | BFD_JUMP_TABLE_CORE (bfd_elfNN), |
| 383 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), |
| 384 | BFD_JUMP_TABLE_SYMBOLS (bfd_elfNN), |
| 385 | BFD_JUMP_TABLE_RELOCS (bfd_elfNN), |
| 386 | BFD_JUMP_TABLE_WRITE (bfd_elfNN), |
| 387 | BFD_JUMP_TABLE_LINK (bfd_elfNN), |
| 388 | BFD_JUMP_TABLE_DYNAMIC (bfd_elfNN), |
| 389 | |
| 390 | /* backend_data: */ |
| 391 | (PTR) &elfNN_bed, |
| 392 | }; |
| 393 | #endif |