| 1 | /* vms.c -- BFD back-end for VAX (openVMS/VAX) and |
| 2 | EVAX (openVMS/Alpha) files. |
| 3 | Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
| 4 | 2006, 2007 Free Software Foundation, Inc. |
| 5 | |
| 6 | Written by Klaus K"ampf (kkaempf@rmi.de) |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 21 | MA 02110-1301, USA. */ |
| 22 | |
| 23 | #include "sysdep.h" |
| 24 | #include "bfd.h" |
| 25 | #include "bfdlink.h" |
| 26 | #include "libbfd.h" |
| 27 | |
| 28 | #include "vms.h" |
| 29 | |
| 30 | #define vms_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) |
| 31 | #define vms_make_empty_symbol _bfd_generic_make_empty_symbol |
| 32 | #define vms_bfd_link_just_syms _bfd_generic_link_just_syms |
| 33 | #define vms_bfd_is_group_section bfd_generic_is_group_section |
| 34 | #define vms_bfd_discard_group bfd_generic_discard_group |
| 35 | #define vms_section_already_linked _bfd_generic_section_already_linked |
| 36 | #define vms_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data |
| 37 | #define vms_get_synthetic_symtab _bfd_nodynamic_get_synthetic_symtab |
| 38 | |
| 39 | static unsigned int priv_section_count; |
| 40 | extern const bfd_target vms_vax_vec; |
| 41 | extern const bfd_target vms_alpha_vec; |
| 42 | \f |
| 43 | /* Initialize private data. */ |
| 44 | |
| 45 | static bfd_boolean |
| 46 | vms_initialize (bfd * abfd) |
| 47 | { |
| 48 | int i; |
| 49 | bfd_size_type amt; |
| 50 | |
| 51 | bfd_set_start_address (abfd, (bfd_vma) -1); |
| 52 | |
| 53 | amt = sizeof (struct vms_private_data_struct); |
| 54 | abfd->tdata.any = bfd_alloc (abfd, amt); |
| 55 | if (abfd->tdata.any == NULL) |
| 56 | return FALSE; |
| 57 | |
| 58 | #ifdef __ALPHA |
| 59 | PRIV (is_vax) = FALSE; |
| 60 | #else |
| 61 | PRIV (is_vax) = TRUE; |
| 62 | #endif |
| 63 | PRIV (vms_buf) = NULL; |
| 64 | PRIV (buf_size) = 0; |
| 65 | PRIV (rec_length) = 0; |
| 66 | PRIV (file_format) = FF_UNKNOWN; |
| 67 | PRIV (fixup_done) = FALSE; |
| 68 | PRIV (sections) = NULL; |
| 69 | |
| 70 | amt = sizeof (struct stack_struct) * STACKSIZE; |
| 71 | PRIV (stack) = bfd_alloc (abfd, amt); |
| 72 | if (PRIV (stack) == NULL) |
| 73 | goto error_ret1; |
| 74 | PRIV (stackptr) = 0; |
| 75 | |
| 76 | amt = sizeof (struct bfd_hash_table); |
| 77 | PRIV (vms_symbol_table) = bfd_alloc (abfd, amt); |
| 78 | if (PRIV (vms_symbol_table) == NULL) |
| 79 | goto error_ret1; |
| 80 | |
| 81 | if (!bfd_hash_table_init (PRIV (vms_symbol_table), _bfd_vms_hash_newfunc, |
| 82 | sizeof (vms_symbol_entry))) |
| 83 | goto error_ret1; |
| 84 | |
| 85 | amt = sizeof (struct location_struct) * LOCATION_SAVE_SIZE; |
| 86 | PRIV (location_stack) = bfd_alloc (abfd, amt); |
| 87 | if (PRIV (location_stack) == NULL) |
| 88 | goto error_ret2; |
| 89 | |
| 90 | for (i = 0; i < VMS_SECTION_COUNT; i++) |
| 91 | PRIV (vms_section_table)[i] = NULL; |
| 92 | |
| 93 | amt = MAX_OUTREC_SIZE; |
| 94 | PRIV (output_buf) = bfd_alloc (abfd, amt); |
| 95 | if (PRIV (output_buf) == NULL) |
| 96 | goto error_ret2; |
| 97 | |
| 98 | PRIV (push_level) = 0; |
| 99 | PRIV (pushed_size) = 0; |
| 100 | PRIV (length_pos) = 2; |
| 101 | PRIV (output_size) = 0; |
| 102 | PRIV (output_alignment) = 1; |
| 103 | |
| 104 | return TRUE; |
| 105 | |
| 106 | error_ret2: |
| 107 | bfd_hash_table_free (PRIV (vms_symbol_table)); |
| 108 | error_ret1: |
| 109 | bfd_release (abfd, abfd->tdata.any); |
| 110 | abfd->tdata.any = NULL; |
| 111 | return FALSE; |
| 112 | } |
| 113 | |
| 114 | /* Fill symbol->section with section ptr |
| 115 | symbol->section is filled with the section index for defined symbols |
| 116 | during reading the GSD/EGSD section. But we need the pointer to the |
| 117 | bfd section later. |
| 118 | |
| 119 | It has the correct value for referenced (undefined section) symbols |
| 120 | |
| 121 | called from bfd_hash_traverse in vms_fixup_sections. */ |
| 122 | |
| 123 | static bfd_boolean |
| 124 | fill_section_ptr (struct bfd_hash_entry * entry, void * sections) |
| 125 | { |
| 126 | asection *sec; |
| 127 | asymbol *sym; |
| 128 | |
| 129 | sym = ((vms_symbol_entry *) entry)->symbol; |
| 130 | sec = sym->section; |
| 131 | |
| 132 | #if VMS_DEBUG |
| 133 | vms_debug (6, "fill_section_ptr: sym %p, sec %p\n", sym, sec); |
| 134 | #endif |
| 135 | |
| 136 | /* Fill forward references (these contain section number, not section ptr). */ |
| 137 | if ((unsigned int) (size_t) sec < priv_section_count) |
| 138 | sec = ((vms_symbol_entry *) entry)->symbol->section = |
| 139 | ((asection **) sections)[(unsigned int) (size_t) sec]; |
| 140 | |
| 141 | if (strcmp (sym->name, sec->name) == 0) |
| 142 | sym->flags |= BSF_SECTION_SYM; |
| 143 | |
| 144 | return TRUE; |
| 145 | } |
| 146 | |
| 147 | /* Fixup sections |
| 148 | set up all pointers and arrays, counters and sizes are fixed now |
| 149 | |
| 150 | we build a private sections vector for easy access since sections |
| 151 | are always referenced by an index number. |
| 152 | |
| 153 | alloc PRIV(sections) according to abfd->section_count |
| 154 | copy abfd->sections to PRIV(sections). */ |
| 155 | |
| 156 | static bfd_boolean |
| 157 | vms_fixup_sections (bfd * abfd) |
| 158 | { |
| 159 | if (PRIV (fixup_done)) |
| 160 | return TRUE; |
| 161 | |
| 162 | /* Traverse symbol table and fill in all section pointers. */ |
| 163 | |
| 164 | /* Can't provide section count as argument to fill_section_ptr(). */ |
| 165 | priv_section_count = PRIV (section_count); |
| 166 | bfd_hash_traverse (PRIV (vms_symbol_table), fill_section_ptr, (PRIV (sections))); |
| 167 | |
| 168 | PRIV (fixup_done) = TRUE; |
| 169 | |
| 170 | return TRUE; |
| 171 | } |
| 172 | \f |
| 173 | /* Check the format for a file being read. |
| 174 | Return a (bfd_target *) if it's an object file or zero if not. */ |
| 175 | |
| 176 | static const struct bfd_target * |
| 177 | vms_object_p (bfd * abfd) |
| 178 | { |
| 179 | int err = 0; |
| 180 | int prev_type; |
| 181 | const struct bfd_target *target_vector = NULL; |
| 182 | const bfd_arch_info_type *arch = NULL; |
| 183 | void * tdata_save = abfd->tdata.any; |
| 184 | bfd_vma saddr_save = bfd_get_start_address (abfd); |
| 185 | |
| 186 | #if VMS_DEBUG |
| 187 | vms_debug (1, "vms_object_p (%p)\n", abfd); |
| 188 | #endif |
| 189 | |
| 190 | if (!vms_initialize (abfd)) |
| 191 | goto error_ret; |
| 192 | |
| 193 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET)) |
| 194 | goto err_wrong_format; |
| 195 | |
| 196 | prev_type = -1; |
| 197 | |
| 198 | do |
| 199 | { |
| 200 | #if VMS_DEBUG |
| 201 | vms_debug (7, "reading at %08lx\n", bfd_tell (abfd)); |
| 202 | #endif |
| 203 | if (_bfd_vms_next_record (abfd) < 0) |
| 204 | { |
| 205 | #if VMS_DEBUG |
| 206 | vms_debug (2, "next_record failed\n"); |
| 207 | #endif |
| 208 | goto err_wrong_format; |
| 209 | } |
| 210 | |
| 211 | if ((prev_type == EOBJ_S_C_EGSD) |
| 212 | && (PRIV (rec_type) != EOBJ_S_C_EGSD)) |
| 213 | { |
| 214 | if (! vms_fixup_sections (abfd)) |
| 215 | { |
| 216 | #if VMS_DEBUG |
| 217 | vms_debug (2, "vms_fixup_sections failed\n"); |
| 218 | #endif |
| 219 | goto err_wrong_format; |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | prev_type = PRIV (rec_type); |
| 224 | |
| 225 | if (target_vector == NULL) |
| 226 | { |
| 227 | if (prev_type <= OBJ_S_C_MAXRECTYP) |
| 228 | target_vector = & vms_vax_vec; |
| 229 | else |
| 230 | target_vector = & vms_alpha_vec; |
| 231 | } |
| 232 | |
| 233 | switch (prev_type) |
| 234 | { |
| 235 | case OBJ_S_C_HDR: |
| 236 | case EOBJ_S_C_EMH: |
| 237 | err = _bfd_vms_slurp_hdr (abfd, prev_type); |
| 238 | break; |
| 239 | case OBJ_S_C_EOM: |
| 240 | case OBJ_S_C_EOMW: |
| 241 | case EOBJ_S_C_EEOM: |
| 242 | err = _bfd_vms_slurp_eom (abfd, prev_type); |
| 243 | break; |
| 244 | case OBJ_S_C_GSD: |
| 245 | case EOBJ_S_C_EGSD: |
| 246 | err = _bfd_vms_slurp_gsd (abfd, prev_type); |
| 247 | break; |
| 248 | case OBJ_S_C_TIR: |
| 249 | case EOBJ_S_C_ETIR: |
| 250 | err = _bfd_vms_slurp_tir (abfd, prev_type); |
| 251 | break; |
| 252 | case OBJ_S_C_DBG: |
| 253 | case EOBJ_S_C_EDBG: |
| 254 | err = _bfd_vms_slurp_dbg (abfd, prev_type); |
| 255 | break; |
| 256 | case OBJ_S_C_TBT: |
| 257 | case EOBJ_S_C_ETBT: |
| 258 | err = _bfd_vms_slurp_tbt (abfd, prev_type); |
| 259 | break; |
| 260 | case OBJ_S_C_LNK: |
| 261 | err = _bfd_vms_slurp_lnk (abfd, prev_type); |
| 262 | break; |
| 263 | default: |
| 264 | err = -1; |
| 265 | } |
| 266 | if (err != 0) |
| 267 | { |
| 268 | #if VMS_DEBUG |
| 269 | vms_debug (2, "slurp type %d failed with %d\n", prev_type, err); |
| 270 | #endif |
| 271 | goto err_wrong_format; |
| 272 | } |
| 273 | } |
| 274 | while ((prev_type != EOBJ_S_C_EEOM) && (prev_type != OBJ_S_C_EOM) && (prev_type != OBJ_S_C_EOMW)); |
| 275 | |
| 276 | if (target_vector == & vms_vax_vec) |
| 277 | { |
| 278 | if (! vms_fixup_sections (abfd)) |
| 279 | { |
| 280 | #if VMS_DEBUG |
| 281 | vms_debug (2, "vms_fixup_sections failed\n"); |
| 282 | #endif |
| 283 | goto err_wrong_format; |
| 284 | } |
| 285 | |
| 286 | /* Set arch_info to vax. */ |
| 287 | |
| 288 | arch = bfd_scan_arch ("vax"); |
| 289 | PRIV (is_vax) = TRUE; |
| 290 | #if VMS_DEBUG |
| 291 | vms_debug (2, "arch is vax\n"); |
| 292 | #endif |
| 293 | } |
| 294 | else if (target_vector == & vms_alpha_vec) |
| 295 | { |
| 296 | /* Set arch_info to alpha. */ |
| 297 | |
| 298 | arch = bfd_scan_arch ("alpha"); |
| 299 | PRIV (is_vax) = FALSE; |
| 300 | #if VMS_DEBUG |
| 301 | vms_debug (2, "arch is alpha\n"); |
| 302 | #endif |
| 303 | } |
| 304 | |
| 305 | if (arch == NULL) |
| 306 | { |
| 307 | #if VMS_DEBUG |
| 308 | vms_debug (2, "arch not found\n"); |
| 309 | #endif |
| 310 | goto err_wrong_format; |
| 311 | } |
| 312 | abfd->arch_info = arch; |
| 313 | |
| 314 | return target_vector; |
| 315 | |
| 316 | err_wrong_format: |
| 317 | bfd_set_error (bfd_error_wrong_format); |
| 318 | error_ret: |
| 319 | if (abfd->tdata.any != tdata_save && abfd->tdata.any != NULL) |
| 320 | bfd_release (abfd, abfd->tdata.any); |
| 321 | abfd->tdata.any = tdata_save; |
| 322 | bfd_set_start_address (abfd, saddr_save); |
| 323 | return NULL; |
| 324 | } |
| 325 | |
| 326 | /* Check the format for a file being read. |
| 327 | Return a (bfd_target *) if it's an archive file or zero. */ |
| 328 | |
| 329 | static const struct bfd_target * |
| 330 | vms_archive_p (bfd * abfd ATTRIBUTE_UNUSED) |
| 331 | { |
| 332 | #if VMS_DEBUG |
| 333 | vms_debug (1, "vms_archive_p (%p)\n", abfd); |
| 334 | #endif |
| 335 | |
| 336 | return NULL; |
| 337 | } |
| 338 | |
| 339 | /* Set the format of a file being written. */ |
| 340 | |
| 341 | static bfd_boolean |
| 342 | vms_mkobject (bfd * abfd) |
| 343 | { |
| 344 | #if VMS_DEBUG |
| 345 | vms_debug (1, "vms_mkobject (%p)\n", abfd); |
| 346 | #endif |
| 347 | |
| 348 | if (!vms_initialize (abfd)) |
| 349 | return FALSE; |
| 350 | |
| 351 | { |
| 352 | #ifdef __VAX |
| 353 | const bfd_arch_info_type *arch = bfd_scan_arch ("vax"); |
| 354 | #else |
| 355 | const bfd_arch_info_type *arch = bfd_scan_arch ("alpha"); |
| 356 | #endif |
| 357 | if (arch == NULL) |
| 358 | { |
| 359 | bfd_set_error (bfd_error_wrong_format); |
| 360 | return FALSE; |
| 361 | } |
| 362 | abfd->arch_info = arch; |
| 363 | } |
| 364 | |
| 365 | return TRUE; |
| 366 | } |
| 367 | |
| 368 | /* Write cached information into a file being written, at bfd_close. */ |
| 369 | |
| 370 | static bfd_boolean |
| 371 | vms_write_object_contents (bfd * abfd) |
| 372 | { |
| 373 | #if VMS_DEBUG |
| 374 | vms_debug (1, "vms_write_object_contents (%p)\n", abfd); |
| 375 | #endif |
| 376 | |
| 377 | if (abfd->section_count > 0) /* we have sections */ |
| 378 | { |
| 379 | if (PRIV (is_vax)) |
| 380 | { |
| 381 | if (_bfd_vms_write_hdr (abfd, OBJ_S_C_HDR) != 0) |
| 382 | return FALSE; |
| 383 | if (_bfd_vms_write_gsd (abfd, OBJ_S_C_GSD) != 0) |
| 384 | return FALSE; |
| 385 | if (_bfd_vms_write_tir (abfd, OBJ_S_C_TIR) != 0) |
| 386 | return FALSE; |
| 387 | if (_bfd_vms_write_tbt (abfd, OBJ_S_C_TBT) != 0) |
| 388 | return FALSE; |
| 389 | if (_bfd_vms_write_dbg (abfd, OBJ_S_C_DBG) != 0) |
| 390 | return FALSE; |
| 391 | if (abfd->section_count > 255) |
| 392 | { |
| 393 | if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOMW) != 0) |
| 394 | return FALSE; |
| 395 | } |
| 396 | else |
| 397 | { |
| 398 | if (_bfd_vms_write_eom (abfd, OBJ_S_C_EOM) != 0) |
| 399 | return FALSE; |
| 400 | } |
| 401 | } |
| 402 | else |
| 403 | { |
| 404 | if (_bfd_vms_write_hdr (abfd, EOBJ_S_C_EMH) != 0) |
| 405 | return FALSE; |
| 406 | if (_bfd_vms_write_gsd (abfd, EOBJ_S_C_EGSD) != 0) |
| 407 | return FALSE; |
| 408 | if (_bfd_vms_write_tir (abfd, EOBJ_S_C_ETIR) != 0) |
| 409 | return FALSE; |
| 410 | if (_bfd_vms_write_tbt (abfd, EOBJ_S_C_ETBT) != 0) |
| 411 | return FALSE; |
| 412 | if (_bfd_vms_write_dbg (abfd, EOBJ_S_C_EDBG) != 0) |
| 413 | return FALSE; |
| 414 | if (_bfd_vms_write_eom (abfd, EOBJ_S_C_EEOM) != 0) |
| 415 | return FALSE; |
| 416 | } |
| 417 | } |
| 418 | return TRUE; |
| 419 | } |
| 420 | |
| 421 | /* 4.1, generic. */ |
| 422 | |
| 423 | /* Called when the BFD is being closed to do any necessary cleanup. */ |
| 424 | |
| 425 | static bfd_boolean |
| 426 | vms_close_and_cleanup (bfd * abfd) |
| 427 | { |
| 428 | #if VMS_DEBUG |
| 429 | vms_debug (1, "vms_close_and_cleanup (%p)\n", abfd); |
| 430 | #endif |
| 431 | if (abfd == NULL |
| 432 | || abfd->tdata.any == NULL) |
| 433 | return TRUE; |
| 434 | |
| 435 | if (PRIV (vms_buf) != NULL) |
| 436 | free (PRIV (vms_buf)); |
| 437 | |
| 438 | if (PRIV (sections) != NULL) |
| 439 | free (PRIV (sections)); |
| 440 | |
| 441 | if (PRIV (vms_symbol_table)) |
| 442 | bfd_hash_table_free (PRIV (vms_symbol_table)); |
| 443 | |
| 444 | bfd_release (abfd, abfd->tdata.any); |
| 445 | abfd->tdata.any = NULL; |
| 446 | |
| 447 | return TRUE; |
| 448 | } |
| 449 | |
| 450 | /* Ask the BFD to free all cached information. */ |
| 451 | |
| 452 | static bfd_boolean |
| 453 | vms_bfd_free_cached_info (bfd * abfd ATTRIBUTE_UNUSED) |
| 454 | { |
| 455 | #if VMS_DEBUG |
| 456 | vms_debug (1, "vms_bfd_free_cached_info (%p)\n", abfd); |
| 457 | #endif |
| 458 | return TRUE; |
| 459 | } |
| 460 | |
| 461 | /* Called when a new section is created. */ |
| 462 | |
| 463 | static bfd_boolean |
| 464 | vms_new_section_hook (bfd * abfd, asection *section) |
| 465 | { |
| 466 | /* Count hasn't been incremented yet. */ |
| 467 | unsigned int section_count = abfd->section_count + 1; |
| 468 | |
| 469 | #if VMS_DEBUG |
| 470 | vms_debug (1, "vms_new_section_hook (%p, [%d]%s), count %d\n", |
| 471 | abfd, section->index, section->name, section_count); |
| 472 | #endif |
| 473 | bfd_set_section_alignment (abfd, section, 4); |
| 474 | |
| 475 | if (section_count > PRIV (section_count)) |
| 476 | { |
| 477 | bfd_size_type amt = section_count; |
| 478 | amt *= sizeof (asection *); |
| 479 | PRIV (sections) = bfd_realloc (PRIV (sections), amt); |
| 480 | if (PRIV (sections) == NULL) |
| 481 | return FALSE; |
| 482 | PRIV (section_count) = section_count; |
| 483 | } |
| 484 | #if VMS_DEBUG |
| 485 | vms_debug (6, "section_count: %d\n", PRIV (section_count)); |
| 486 | #endif |
| 487 | PRIV (sections)[section->index] = section; |
| 488 | #if VMS_DEBUG |
| 489 | vms_debug (7, "%d: %s\n", section->index, section->name); |
| 490 | #endif |
| 491 | |
| 492 | return _bfd_generic_new_section_hook (abfd, section); |
| 493 | } |
| 494 | |
| 495 | /* Read the contents of a section. |
| 496 | buf points to a buffer of buf_size bytes to be filled with |
| 497 | section data (starting at offset into section) */ |
| 498 | |
| 499 | static bfd_boolean |
| 500 | vms_get_section_contents (bfd * abfd ATTRIBUTE_UNUSED, |
| 501 | asection *section ATTRIBUTE_UNUSED, |
| 502 | void * buf ATTRIBUTE_UNUSED, |
| 503 | file_ptr offset ATTRIBUTE_UNUSED, |
| 504 | bfd_size_type buf_size ATTRIBUTE_UNUSED) |
| 505 | { |
| 506 | #if VMS_DEBUG |
| 507 | vms_debug (1, "vms_get_section_contents (%p, %s, %p, off %ld, size %d)\n", |
| 508 | abfd, section->name, buf, offset, (int)buf_size); |
| 509 | #endif |
| 510 | |
| 511 | /* Shouldn't be called, since all sections are IN_MEMORY. */ |
| 512 | return FALSE; |
| 513 | } |
| 514 | |
| 515 | /* Read the contents of a section. |
| 516 | buf points to a buffer of buf_size bytes to be filled with |
| 517 | section data (starting at offset into section). */ |
| 518 | |
| 519 | static bfd_boolean |
| 520 | vms_get_section_contents_in_window (bfd * abfd ATTRIBUTE_UNUSED, |
| 521 | asection *section ATTRIBUTE_UNUSED, |
| 522 | bfd_window *w ATTRIBUTE_UNUSED, |
| 523 | file_ptr offset ATTRIBUTE_UNUSED, |
| 524 | bfd_size_type count ATTRIBUTE_UNUSED) |
| 525 | { |
| 526 | #if VMS_DEBUG |
| 527 | vms_debug (1, "vms_get_section_contents_in_window (%p, %s, %p, off %ld, count %d)\n", |
| 528 | abfd, section->name, w, offset, (int)count); |
| 529 | #endif |
| 530 | |
| 531 | /* Shouldn't be called, since all sections are IN_MEMORY. */ |
| 532 | return FALSE; |
| 533 | } |
| 534 | |
| 535 | /* Part 4.2, copy private data. */ |
| 536 | |
| 537 | /* Called to copy BFD general private data from one object file |
| 538 | to another. */ |
| 539 | |
| 540 | static bfd_boolean |
| 541 | vms_bfd_copy_private_bfd_data (bfd *src ATTRIBUTE_UNUSED, |
| 542 | bfd *dest ATTRIBUTE_UNUSED) |
| 543 | { |
| 544 | #if VMS_DEBUG |
| 545 | vms_debug (1, "vms_bfd_copy_private_bfd_data (%p, %p)\n", src, dest); |
| 546 | #endif |
| 547 | return TRUE; |
| 548 | } |
| 549 | |
| 550 | /* Merge private BFD information from the BFD @var{ibfd} to the |
| 551 | the output file BFD @var{obfd} when linking. Return <<TRUE>> |
| 552 | on success, <<FALSE>> on error. Possible error returns are: |
| 553 | |
| 554 | o <<bfd_error_no_memory>> - |
| 555 | Not enough memory exists to create private data for @var{obfd}. */ |
| 556 | |
| 557 | static bfd_boolean |
| 558 | vms_bfd_merge_private_bfd_data (bfd * ibfd ATTRIBUTE_UNUSED, |
| 559 | bfd * obfd ATTRIBUTE_UNUSED) |
| 560 | { |
| 561 | #if VMS_DEBUG |
| 562 | vms_debug (1,"vms_bfd_merge_private_bfd_data (%p, %p)\n", ibfd, obfd); |
| 563 | #endif |
| 564 | return TRUE; |
| 565 | } |
| 566 | |
| 567 | /* Set private BFD flag information in the BFD @var{abfd}. |
| 568 | Return <<TRUE>> on success, <<FALSE>> on error. Possible error |
| 569 | returns are: |
| 570 | |
| 571 | o <<bfd_error_no_memory>> - |
| 572 | Not enough memory exists to create private data for @var{obfd}. */ |
| 573 | |
| 574 | static bfd_boolean |
| 575 | vms_bfd_set_private_flags (bfd * abfd ATTRIBUTE_UNUSED, |
| 576 | flagword flags ATTRIBUTE_UNUSED) |
| 577 | { |
| 578 | #if VMS_DEBUG |
| 579 | vms_debug (1,"vms_bfd_set_private_flags (%p, %lx)\n", abfd, (long)flags); |
| 580 | #endif |
| 581 | return TRUE; |
| 582 | } |
| 583 | |
| 584 | /* Called to copy BFD private section data from one object file |
| 585 | to another. */ |
| 586 | |
| 587 | static bfd_boolean |
| 588 | vms_bfd_copy_private_section_data (bfd *srcbfd ATTRIBUTE_UNUSED, |
| 589 | asection *srcsec ATTRIBUTE_UNUSED, |
| 590 | bfd *dstbfd ATTRIBUTE_UNUSED, |
| 591 | asection *dstsec ATTRIBUTE_UNUSED) |
| 592 | { |
| 593 | #if VMS_DEBUG |
| 594 | vms_debug (1, "vms_bfd_copy_private_section_data (%p, %s, %p, %s)\n", |
| 595 | srcbfd, srcsec->name, dstbfd, dstsec->name); |
| 596 | #endif |
| 597 | return TRUE; |
| 598 | } |
| 599 | |
| 600 | /* Called to copy BFD private symbol data from one object file |
| 601 | to another. */ |
| 602 | |
| 603 | static bfd_boolean |
| 604 | vms_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED, |
| 605 | asymbol *isym ATTRIBUTE_UNUSED, |
| 606 | bfd *obfd ATTRIBUTE_UNUSED, |
| 607 | asymbol *osym ATTRIBUTE_UNUSED) |
| 608 | { |
| 609 | #if VMS_DEBUG |
| 610 | vms_debug (1, "vms_bfd_copy_private_symbol_data (%p, %s, %p, %s)\n", |
| 611 | ibfd, isym->name, obfd, osym->name); |
| 612 | #endif |
| 613 | return TRUE; |
| 614 | } |
| 615 | |
| 616 | /* Part 4.3, core file. */ |
| 617 | |
| 618 | /* Return a read-only string explaining which program was running |
| 619 | when it failed and produced the core file abfd. */ |
| 620 | |
| 621 | static char * |
| 622 | vms_core_file_failing_command (bfd * abfd ATTRIBUTE_UNUSED) |
| 623 | { |
| 624 | #if VMS_DEBUG |
| 625 | vms_debug (1, "vms_core_file_failing_command (%p)\n", abfd); |
| 626 | #endif |
| 627 | return NULL; |
| 628 | } |
| 629 | |
| 630 | /* Returns the signal number which caused the core dump which |
| 631 | generated the file the BFD abfd is attached to. */ |
| 632 | |
| 633 | static int |
| 634 | vms_core_file_failing_signal (bfd * abfd ATTRIBUTE_UNUSED) |
| 635 | { |
| 636 | #if VMS_DEBUG |
| 637 | vms_debug (1, "vms_core_file_failing_signal (%p)\n", abfd); |
| 638 | #endif |
| 639 | return 0; |
| 640 | } |
| 641 | |
| 642 | /* Return TRUE if the core file attached to core_bfd was generated |
| 643 | by a run of the executable file attached to exec_bfd, FALSE otherwise. */ |
| 644 | |
| 645 | static bfd_boolean |
| 646 | vms_core_file_matches_executable_p (bfd * abfd ATTRIBUTE_UNUSED, |
| 647 | bfd *bbfd ATTRIBUTE_UNUSED) |
| 648 | { |
| 649 | #if VMS_DEBUG |
| 650 | vms_debug (1, "vms_core_file_matches_executable_p (%p, %p)\n", abfd, bbfd); |
| 651 | #endif |
| 652 | return FALSE; |
| 653 | } |
| 654 | |
| 655 | /* Part 4.4, archive. */ |
| 656 | |
| 657 | /* ??? do something with an archive map. |
| 658 | Return FALSE on error, TRUE otherwise. */ |
| 659 | |
| 660 | static bfd_boolean |
| 661 | vms_slurp_armap (bfd * abfd ATTRIBUTE_UNUSED) |
| 662 | { |
| 663 | #if VMS_DEBUG |
| 664 | vms_debug (1, "vms_slurp_armap (%p)\n", abfd); |
| 665 | #endif |
| 666 | return FALSE; |
| 667 | } |
| 668 | |
| 669 | /* ??? do something with an extended name table. |
| 670 | Return FALSE on error, TRUE otherwise. */ |
| 671 | |
| 672 | static bfd_boolean |
| 673 | vms_slurp_extended_name_table (bfd * abfd ATTRIBUTE_UNUSED) |
| 674 | { |
| 675 | #if VMS_DEBUG |
| 676 | vms_debug (1, "vms_slurp_extended_name_table (%p)\n", abfd); |
| 677 | #endif |
| 678 | return FALSE; |
| 679 | } |
| 680 | |
| 681 | /* ??? do something with an extended name table. |
| 682 | Return FALSE on error, TRUE otherwise. */ |
| 683 | |
| 684 | static bfd_boolean |
| 685 | vms_construct_extended_name_table (bfd * abfd ATTRIBUTE_UNUSED, |
| 686 | char **tabloc ATTRIBUTE_UNUSED, |
| 687 | bfd_size_type *tablen ATTRIBUTE_UNUSED, |
| 688 | const char **name ATTRIBUTE_UNUSED) |
| 689 | { |
| 690 | #if VMS_DEBUG |
| 691 | vms_debug (1, "vms_construct_extended_name_table (%p)\n", abfd); |
| 692 | #endif |
| 693 | return FALSE; |
| 694 | } |
| 695 | |
| 696 | /* Truncate the name of an archive to match system-dependent restrictions. */ |
| 697 | |
| 698 | static void |
| 699 | vms_truncate_arname (bfd * abfd ATTRIBUTE_UNUSED, |
| 700 | const char *pathname ATTRIBUTE_UNUSED, |
| 701 | char *arhdr ATTRIBUTE_UNUSED) |
| 702 | { |
| 703 | #if VMS_DEBUG |
| 704 | vms_debug (1, "vms_truncate_arname (%p, %s, %s)\n", abfd, pathname, arhdr); |
| 705 | #endif |
| 706 | return; |
| 707 | } |
| 708 | |
| 709 | /* ??? write archive map. */ |
| 710 | |
| 711 | static bfd_boolean |
| 712 | vms_write_armap (bfd *arch ATTRIBUTE_UNUSED, |
| 713 | unsigned int elength ATTRIBUTE_UNUSED, |
| 714 | struct orl *map ATTRIBUTE_UNUSED, |
| 715 | unsigned int orl_count ATTRIBUTE_UNUSED, |
| 716 | int stridx ATTRIBUTE_UNUSED) |
| 717 | { |
| 718 | #if VMS_DEBUG |
| 719 | vms_debug (1, "vms_write_armap (%p, %d, %p, %d %d)\n", |
| 720 | arch, elength, map, orl_count, stridx); |
| 721 | #endif |
| 722 | return TRUE; |
| 723 | } |
| 724 | |
| 725 | /* Read archive header ??? */ |
| 726 | |
| 727 | static void * |
| 728 | vms_read_ar_hdr (bfd * abfd ATTRIBUTE_UNUSED) |
| 729 | { |
| 730 | #if VMS_DEBUG |
| 731 | vms_debug (1, "vms_read_ar_hdr (%p)\n", abfd); |
| 732 | #endif |
| 733 | return NULL; |
| 734 | } |
| 735 | |
| 736 | /* Provided a BFD, @var{archive}, containing an archive and NULL, open |
| 737 | an input BFD on the first contained element and returns that. |
| 738 | Subsequent calls should pass the archive and the previous return value |
| 739 | to return a created BFD to the next contained element. |
| 740 | NULL is returned when there are no more. */ |
| 741 | |
| 742 | static bfd * |
| 743 | vms_openr_next_archived_file (bfd *arch ATTRIBUTE_UNUSED, |
| 744 | bfd *prev ATTRIBUTE_UNUSED) |
| 745 | { |
| 746 | #if VMS_DEBUG |
| 747 | vms_debug (1, "vms_openr_next_archived_file (%p, %p)\n", arch, prev); |
| 748 | #endif |
| 749 | return NULL; |
| 750 | } |
| 751 | |
| 752 | /* Return the BFD which is referenced by the symbol in ABFD indexed by |
| 753 | INDEX. INDEX should have been returned by bfd_get_next_mapent. */ |
| 754 | |
| 755 | static bfd * |
| 756 | vms_get_elt_at_index (bfd * abfd, symindex index) |
| 757 | { |
| 758 | #if VMS_DEBUG |
| 759 | vms_debug (1, "vms_get_elt_at_index (%p, %p)\n", abfd, index); |
| 760 | #endif |
| 761 | return _bfd_generic_get_elt_at_index (abfd, index); |
| 762 | } |
| 763 | |
| 764 | /* ??? |
| 765 | -> bfd_generic_stat_arch_elt. */ |
| 766 | |
| 767 | static int |
| 768 | vms_generic_stat_arch_elt (bfd * abfd, struct stat *st) |
| 769 | { |
| 770 | #if VMS_DEBUG |
| 771 | vms_debug (1, "vms_generic_stat_arch_elt (%p, %p)\n", abfd, st); |
| 772 | #endif |
| 773 | return bfd_generic_stat_arch_elt (abfd, st); |
| 774 | } |
| 775 | |
| 776 | /* This is a new function in bfd 2.5. */ |
| 777 | |
| 778 | static bfd_boolean |
| 779 | vms_update_armap_timestamp (bfd * abfd ATTRIBUTE_UNUSED) |
| 780 | { |
| 781 | #if VMS_DEBUG |
| 782 | vms_debug (1, "vms_update_armap_timestamp (%p)\n", abfd); |
| 783 | #endif |
| 784 | return TRUE; |
| 785 | } |
| 786 | |
| 787 | /* Part 4.5, symbols. */ |
| 788 | |
| 789 | /* Return the number of bytes required to store a vector of pointers |
| 790 | to asymbols for all the symbols in the BFD abfd, including a |
| 791 | terminal NULL pointer. If there are no symbols in the BFD, |
| 792 | then return 0. If an error occurs, return -1. */ |
| 793 | |
| 794 | static long |
| 795 | vms_get_symtab_upper_bound (bfd * abfd) |
| 796 | { |
| 797 | #if VMS_DEBUG |
| 798 | vms_debug (1, "vms_get_symtab_upper_bound (%p), %d symbols\n", abfd, PRIV (gsd_sym_count)); |
| 799 | #endif |
| 800 | return (PRIV (gsd_sym_count) + 1) * sizeof (asymbol *); |
| 801 | } |
| 802 | |
| 803 | /* Copy symbols from hash table to symbol vector |
| 804 | |
| 805 | called from bfd_hash_traverse in vms_canonicalize_symtab |
| 806 | init counter to 0 if entry == 0. */ |
| 807 | |
| 808 | static bfd_boolean |
| 809 | copy_symbols (struct bfd_hash_entry *entry, void * arg) |
| 810 | { |
| 811 | bfd * abfd = (bfd *) arg; |
| 812 | |
| 813 | if (entry == NULL) /* Init counter. */ |
| 814 | PRIV (symnum) = 0; |
| 815 | else /* Fill vector, inc counter. */ |
| 816 | PRIV (symcache)[PRIV (symnum)++] = ((vms_symbol_entry *)entry)->symbol; |
| 817 | |
| 818 | return TRUE; |
| 819 | } |
| 820 | |
| 821 | /* Read the symbols from the BFD abfd, and fills in the vector |
| 822 | location with pointers to the symbols and a trailing NULL. |
| 823 | |
| 824 | Return number of symbols read. */ |
| 825 | |
| 826 | static long |
| 827 | vms_canonicalize_symtab (bfd * abfd, asymbol **symbols) |
| 828 | { |
| 829 | #if VMS_DEBUG |
| 830 | vms_debug (1, "vms_canonicalize_symtab (%p, <ret>)\n", abfd); |
| 831 | #endif |
| 832 | |
| 833 | /* Init counter. */ |
| 834 | copy_symbols (NULL, abfd); |
| 835 | |
| 836 | /* Traverse table and fill symbols vector. */ |
| 837 | PRIV (symcache) = symbols; |
| 838 | bfd_hash_traverse (PRIV (vms_symbol_table), copy_symbols, abfd); |
| 839 | |
| 840 | symbols[PRIV (gsd_sym_count)] = NULL; |
| 841 | |
| 842 | return PRIV (gsd_sym_count); |
| 843 | } |
| 844 | |
| 845 | /* Print symbol to file according to how. how is one of |
| 846 | bfd_print_symbol_name just print the name |
| 847 | bfd_print_symbol_more print more (???) |
| 848 | bfd_print_symbol_all print all we know, which is not much right now :-). */ |
| 849 | |
| 850 | static void |
| 851 | vms_print_symbol (bfd * abfd, |
| 852 | void * file, |
| 853 | asymbol *symbol, |
| 854 | bfd_print_symbol_type how) |
| 855 | { |
| 856 | #if VMS_DEBUG |
| 857 | vms_debug (1, "vms_print_symbol (%p, %p, %p, %d)\n", abfd, file, symbol, how); |
| 858 | #endif |
| 859 | |
| 860 | switch (how) |
| 861 | { |
| 862 | case bfd_print_symbol_name: |
| 863 | case bfd_print_symbol_more: |
| 864 | fprintf ((FILE *)file," %s", symbol->name); |
| 865 | break; |
| 866 | |
| 867 | case bfd_print_symbol_all: |
| 868 | { |
| 869 | const char *section_name = symbol->section->name; |
| 870 | |
| 871 | bfd_print_symbol_vandf (abfd, file, symbol); |
| 872 | |
| 873 | fprintf ((FILE *) file," %-8s %s", section_name, symbol->name); |
| 874 | } |
| 875 | break; |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | /* Return information about symbol in ret. |
| 880 | |
| 881 | fill type, value and name |
| 882 | type: |
| 883 | A absolute |
| 884 | B bss segment symbol |
| 885 | C common symbol |
| 886 | D data segment symbol |
| 887 | f filename |
| 888 | t a static function symbol |
| 889 | T text segment symbol |
| 890 | U undefined |
| 891 | - debug. */ |
| 892 | |
| 893 | static void |
| 894 | vms_get_symbol_info (bfd * abfd ATTRIBUTE_UNUSED, |
| 895 | asymbol *symbol, |
| 896 | symbol_info *ret) |
| 897 | { |
| 898 | asection *sec; |
| 899 | |
| 900 | #if VMS_DEBUG |
| 901 | vms_debug (1, "vms_get_symbol_info (%p, %p, %p)\n", abfd, symbol, ret); |
| 902 | #endif |
| 903 | |
| 904 | sec = symbol->section; |
| 905 | |
| 906 | if (ret == NULL) |
| 907 | return; |
| 908 | |
| 909 | if (bfd_is_com_section (sec)) |
| 910 | ret->type = 'C'; |
| 911 | else if (bfd_is_abs_section (sec)) |
| 912 | ret->type = 'A'; |
| 913 | else if (bfd_is_und_section (sec)) |
| 914 | ret->type = 'U'; |
| 915 | else if (bfd_is_ind_section (sec)) |
| 916 | ret->type = 'I'; |
| 917 | else if (bfd_get_section_flags (abfd, sec) & SEC_CODE) |
| 918 | ret->type = 'T'; |
| 919 | else if (bfd_get_section_flags (abfd, sec) & SEC_DATA) |
| 920 | ret->type = 'D'; |
| 921 | else if (bfd_get_section_flags (abfd, sec) & SEC_ALLOC) |
| 922 | ret->type = 'B'; |
| 923 | else |
| 924 | ret->type = '-'; |
| 925 | |
| 926 | if (ret->type != 'U') |
| 927 | ret->value = symbol->value + symbol->section->vma; |
| 928 | else |
| 929 | ret->value = 0; |
| 930 | ret->name = symbol->name; |
| 931 | } |
| 932 | |
| 933 | /* Return TRUE if the given symbol sym in the BFD abfd is |
| 934 | a compiler generated local label, else return FALSE. */ |
| 935 | |
| 936 | static bfd_boolean |
| 937 | vms_bfd_is_local_label_name (bfd * abfd ATTRIBUTE_UNUSED, |
| 938 | const char *name) |
| 939 | { |
| 940 | #if VMS_DEBUG |
| 941 | vms_debug (1, "vms_bfd_is_local_label_name (%p, %s)\n", abfd, name); |
| 942 | #endif |
| 943 | return name[0] == '$'; |
| 944 | } |
| 945 | |
| 946 | /* Get source line number for symbol. */ |
| 947 | |
| 948 | static alent * |
| 949 | vms_get_lineno (bfd * abfd ATTRIBUTE_UNUSED, |
| 950 | asymbol *symbol ATTRIBUTE_UNUSED) |
| 951 | { |
| 952 | #if VMS_DEBUG |
| 953 | vms_debug (1, "vms_get_lineno (%p, %p)\n", abfd, symbol); |
| 954 | #endif |
| 955 | return NULL; |
| 956 | } |
| 957 | |
| 958 | /* Provided a BFD, a section and an offset into the section, calculate and |
| 959 | return the name of the source file and the line nearest to the wanted |
| 960 | location. */ |
| 961 | |
| 962 | static bfd_boolean |
| 963 | vms_find_nearest_line (bfd * abfd ATTRIBUTE_UNUSED, |
| 964 | asection *section ATTRIBUTE_UNUSED, |
| 965 | asymbol **symbols ATTRIBUTE_UNUSED, |
| 966 | bfd_vma offset ATTRIBUTE_UNUSED, |
| 967 | const char **file ATTRIBUTE_UNUSED, |
| 968 | const char **func ATTRIBUTE_UNUSED, |
| 969 | unsigned int *line ATTRIBUTE_UNUSED) |
| 970 | { |
| 971 | #if VMS_DEBUG |
| 972 | vms_debug (1, "vms_find_nearest_line (%p, %s, %p, %ld, <ret>, <ret>, <ret>)\n", |
| 973 | abfd, section->name, symbols, (long int)offset); |
| 974 | #endif |
| 975 | return FALSE; |
| 976 | } |
| 977 | |
| 978 | static bfd_boolean |
| 979 | vms_find_inliner_info (bfd * abfd ATTRIBUTE_UNUSED, |
| 980 | const char **file ATTRIBUTE_UNUSED, |
| 981 | const char **func ATTRIBUTE_UNUSED, |
| 982 | unsigned int *line ATTRIBUTE_UNUSED) |
| 983 | { |
| 984 | #if VMS_DEBUG |
| 985 | vms_debug (1, "vms_find_inliner_info (%p, <ret>, <ret>, <ret>)\n", |
| 986 | abfd); |
| 987 | #endif |
| 988 | return FALSE; |
| 989 | } |
| 990 | |
| 991 | /* Back-door to allow format-aware applications to create debug symbols |
| 992 | while using BFD for everything else. Currently used by the assembler |
| 993 | when creating COFF files. */ |
| 994 | |
| 995 | static asymbol * |
| 996 | vms_bfd_make_debug_symbol (bfd * abfd ATTRIBUTE_UNUSED, |
| 997 | void *ptr ATTRIBUTE_UNUSED, |
| 998 | unsigned long size ATTRIBUTE_UNUSED) |
| 999 | { |
| 1000 | #if VMS_DEBUG |
| 1001 | vms_debug (1, "vms_bfd_make_debug_symbol (%p, %p, %ld)\n", abfd, ptr, size); |
| 1002 | #endif |
| 1003 | return NULL; |
| 1004 | } |
| 1005 | |
| 1006 | /* Read minisymbols. For minisymbols, we use the unmodified a.out |
| 1007 | symbols. The minisymbol_to_symbol function translates these into |
| 1008 | BFD asymbol structures. */ |
| 1009 | |
| 1010 | static long |
| 1011 | vms_read_minisymbols (bfd * abfd, |
| 1012 | bfd_boolean dynamic, |
| 1013 | void * *minisymsp, |
| 1014 | unsigned int *sizep) |
| 1015 | { |
| 1016 | #if VMS_DEBUG |
| 1017 | vms_debug (1, "vms_read_minisymbols (%p, %d, %p, %d)\n", abfd, dynamic, minisymsp, *sizep); |
| 1018 | #endif |
| 1019 | return _bfd_generic_read_minisymbols (abfd, dynamic, minisymsp, sizep); |
| 1020 | } |
| 1021 | |
| 1022 | /* Convert a minisymbol to a BFD asymbol. A minisymbol is just an |
| 1023 | unmodified a.out symbol. The SYM argument is a structure returned |
| 1024 | by bfd_make_empty_symbol, which we fill in here. */ |
| 1025 | |
| 1026 | static asymbol * |
| 1027 | vms_minisymbol_to_symbol (bfd * abfd, |
| 1028 | bfd_boolean dynamic, |
| 1029 | const void * minisym, |
| 1030 | asymbol *sym) |
| 1031 | { |
| 1032 | #if VMS_DEBUG |
| 1033 | vms_debug (1, "vms_minisymbol_to_symbol (%p, %d, %p, %p)\n", abfd, dynamic, minisym, sym); |
| 1034 | #endif |
| 1035 | return _bfd_generic_minisymbol_to_symbol (abfd, dynamic, minisym, sym); |
| 1036 | } |
| 1037 | |
| 1038 | /* Part 4.6, relocations. */ |
| 1039 | |
| 1040 | /* Return the number of bytes required to store the relocation information |
| 1041 | associated with section sect attached to bfd abfd. |
| 1042 | If an error occurs, return -1. */ |
| 1043 | |
| 1044 | static long |
| 1045 | vms_get_reloc_upper_bound (bfd * abfd ATTRIBUTE_UNUSED, |
| 1046 | asection *section ATTRIBUTE_UNUSED) |
| 1047 | { |
| 1048 | #if VMS_DEBUG |
| 1049 | vms_debug (1, "vms_get_reloc_upper_bound (%p, %s)\n", abfd, section->name); |
| 1050 | #endif |
| 1051 | return -1L; |
| 1052 | } |
| 1053 | |
| 1054 | /* Call the back end associated with the open BFD abfd and translate the |
| 1055 | external form of the relocation information attached to sec into the |
| 1056 | internal canonical form. Place the table into memory at loc, which has |
| 1057 | been preallocated, usually by a call to bfd_get_reloc_upper_bound. |
| 1058 | Returns the number of relocs, or -1 on error. */ |
| 1059 | |
| 1060 | static long |
| 1061 | vms_canonicalize_reloc (bfd * abfd ATTRIBUTE_UNUSED, |
| 1062 | asection *section ATTRIBUTE_UNUSED, |
| 1063 | arelent **location ATTRIBUTE_UNUSED, |
| 1064 | asymbol **symbols ATTRIBUTE_UNUSED) |
| 1065 | { |
| 1066 | #if VMS_DEBUG |
| 1067 | vms_debug (1, "vms_canonicalize_reloc (%p, %s, <ret>, <ret>)\n", abfd, section->name); |
| 1068 | #endif |
| 1069 | return FALSE; |
| 1070 | } |
| 1071 | \f |
| 1072 | /* This is just copied from ecoff-alpha, needs to be fixed probably. */ |
| 1073 | |
| 1074 | /* How to process the various reloc types. */ |
| 1075 | |
| 1076 | static bfd_reloc_status_type |
| 1077 | reloc_nil (bfd * abfd ATTRIBUTE_UNUSED, |
| 1078 | arelent *reloc ATTRIBUTE_UNUSED, |
| 1079 | asymbol *sym ATTRIBUTE_UNUSED, |
| 1080 | void * data ATTRIBUTE_UNUSED, |
| 1081 | asection *sec ATTRIBUTE_UNUSED, |
| 1082 | bfd *output_bfd ATTRIBUTE_UNUSED, |
| 1083 | char **error_message ATTRIBUTE_UNUSED) |
| 1084 | { |
| 1085 | #if VMS_DEBUG |
| 1086 | vms_debug (1, "reloc_nil (abfd %p, output_bfd %p)\n", abfd, output_bfd); |
| 1087 | vms_debug (2, "In section %s, symbol %s\n", |
| 1088 | sec->name, sym->name); |
| 1089 | vms_debug (2, "reloc sym %s, addr %08lx, addend %08lx, reloc is a %s\n", |
| 1090 | reloc->sym_ptr_ptr[0]->name, |
| 1091 | (unsigned long)reloc->address, |
| 1092 | (unsigned long)reloc->addend, reloc->howto->name); |
| 1093 | vms_debug (2, "data at %p\n", data); |
| 1094 | /* _bfd_hexdump (2, data, bfd_get_reloc_size (reloc->howto), 0); */ |
| 1095 | #endif |
| 1096 | |
| 1097 | return bfd_reloc_ok; |
| 1098 | } |
| 1099 | |
| 1100 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value |
| 1101 | from smaller values. Start with zero, widen, *then* decrement. */ |
| 1102 | #define MINUS_ONE (((bfd_vma)0) - 1) |
| 1103 | |
| 1104 | static reloc_howto_type alpha_howto_table[] = |
| 1105 | { |
| 1106 | HOWTO (ALPHA_R_IGNORE, /* Type. */ |
| 1107 | 0, /* Rightshift. */ |
| 1108 | 0, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1109 | 8, /* Bitsize. */ |
| 1110 | TRUE, /* PC relative. */ |
| 1111 | 0, /* Bitpos. */ |
| 1112 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1113 | reloc_nil, /* Special_function. */ |
| 1114 | "IGNORE", /* Name. */ |
| 1115 | TRUE, /* Partial_inplace. */ |
| 1116 | 0, /* Source mask */ |
| 1117 | 0, /* Dest mask. */ |
| 1118 | TRUE), /* PC rel offset. */ |
| 1119 | |
| 1120 | /* A 64 bit reference to a symbol. */ |
| 1121 | HOWTO (ALPHA_R_REFQUAD, /* Type. */ |
| 1122 | 0, /* Rightshift. */ |
| 1123 | 4, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1124 | 64, /* Bitsize. */ |
| 1125 | FALSE, /* PC relative. */ |
| 1126 | 0, /* Bitpos. */ |
| 1127 | complain_overflow_bitfield, /* Complain_on_overflow. */ |
| 1128 | reloc_nil, /* Special_function. */ |
| 1129 | "REFQUAD", /* Name. */ |
| 1130 | TRUE, /* Partial_inplace. */ |
| 1131 | MINUS_ONE, /* Source mask. */ |
| 1132 | MINUS_ONE, /* Dest mask. */ |
| 1133 | FALSE), /* PC rel offset. */ |
| 1134 | |
| 1135 | /* A 21 bit branch. The native assembler generates these for |
| 1136 | branches within the text segment, and also fills in the PC |
| 1137 | relative offset in the instruction. */ |
| 1138 | HOWTO (ALPHA_R_BRADDR, /* Type. */ |
| 1139 | 2, /* Rightshift. */ |
| 1140 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1141 | 21, /* Bitsize. */ |
| 1142 | TRUE, /* PC relative. */ |
| 1143 | 0, /* Bitpos. */ |
| 1144 | complain_overflow_signed, /* Complain_on_overflow. */ |
| 1145 | reloc_nil, /* Special_function. */ |
| 1146 | "BRADDR", /* Name. */ |
| 1147 | TRUE, /* Partial_inplace. */ |
| 1148 | 0x1fffff, /* Source mask. */ |
| 1149 | 0x1fffff, /* Dest mask. */ |
| 1150 | FALSE), /* PC rel offset. */ |
| 1151 | |
| 1152 | /* A hint for a jump to a register. */ |
| 1153 | HOWTO (ALPHA_R_HINT, /* Type. */ |
| 1154 | 2, /* Rightshift. */ |
| 1155 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1156 | 14, /* Bitsize. */ |
| 1157 | TRUE, /* PC relative. */ |
| 1158 | 0, /* Bitpos. */ |
| 1159 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1160 | reloc_nil, /* Special_function. */ |
| 1161 | "HINT", /* Name. */ |
| 1162 | TRUE, /* Partial_inplace. */ |
| 1163 | 0x3fff, /* Source mask. */ |
| 1164 | 0x3fff, /* Dest mask. */ |
| 1165 | FALSE), /* PC rel offset. */ |
| 1166 | |
| 1167 | /* 16 bit PC relative offset. */ |
| 1168 | HOWTO (ALPHA_R_SREL16, /* Type. */ |
| 1169 | 0, /* Rightshift. */ |
| 1170 | 1, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1171 | 16, /* Bitsize. */ |
| 1172 | TRUE, /* PC relative. */ |
| 1173 | 0, /* Bitpos. */ |
| 1174 | complain_overflow_signed, /* Complain_on_overflow. */ |
| 1175 | reloc_nil, /* Special_function. */ |
| 1176 | "SREL16", /* Name. */ |
| 1177 | TRUE, /* Partial_inplace. */ |
| 1178 | 0xffff, /* Source mask. */ |
| 1179 | 0xffff, /* Dest mask. */ |
| 1180 | FALSE), /* PC rel offset. */ |
| 1181 | |
| 1182 | /* 32 bit PC relative offset. */ |
| 1183 | HOWTO (ALPHA_R_SREL32, /* Type. */ |
| 1184 | 0, /* Rightshift. */ |
| 1185 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1186 | 32, /* Bitsize. */ |
| 1187 | TRUE, /* PC relative. */ |
| 1188 | 0, /* Bitpos. */ |
| 1189 | complain_overflow_signed, /* Complain_on_overflow. */ |
| 1190 | reloc_nil, /* Special_function. */ |
| 1191 | "SREL32", /* Name. */ |
| 1192 | TRUE, /* Partial_inplace. */ |
| 1193 | 0xffffffff, /* Source mask. */ |
| 1194 | 0xffffffff, /* Dest mask. */ |
| 1195 | FALSE), /* PC rel offset. */ |
| 1196 | |
| 1197 | /* A 64 bit PC relative offset. */ |
| 1198 | HOWTO (ALPHA_R_SREL64, /* Type. */ |
| 1199 | 0, /* Rightshift. */ |
| 1200 | 4, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1201 | 64, /* Bitsize. */ |
| 1202 | TRUE, /* PC relative. */ |
| 1203 | 0, /* Bitpos. */ |
| 1204 | complain_overflow_signed, /* Complain_on_overflow. */ |
| 1205 | reloc_nil, /* Special_function. */ |
| 1206 | "SREL64", /* Name. */ |
| 1207 | TRUE, /* Partial_inplace. */ |
| 1208 | MINUS_ONE, /* Source mask. */ |
| 1209 | MINUS_ONE, /* Dest mask. */ |
| 1210 | FALSE), /* PC rel offset. */ |
| 1211 | |
| 1212 | /* Push a value on the reloc evaluation stack. */ |
| 1213 | HOWTO (ALPHA_R_OP_PUSH, /* Type. */ |
| 1214 | 0, /* Rightshift. */ |
| 1215 | 0, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1216 | 0, /* Bitsize. */ |
| 1217 | FALSE, /* PC relative. */ |
| 1218 | 0, /* Bitpos. */ |
| 1219 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1220 | reloc_nil, /* Special_function. */ |
| 1221 | "OP_PUSH", /* Name. */ |
| 1222 | FALSE, /* Partial_inplace. */ |
| 1223 | 0, /* Source mask. */ |
| 1224 | 0, /* Dest mask. */ |
| 1225 | FALSE), /* PC rel offset. */ |
| 1226 | |
| 1227 | /* Store the value from the stack at the given address. Store it in |
| 1228 | a bitfield of size r_size starting at bit position r_offset. */ |
| 1229 | HOWTO (ALPHA_R_OP_STORE, /* Type. */ |
| 1230 | 0, /* Rightshift. */ |
| 1231 | 4, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1232 | 64, /* Bitsize. */ |
| 1233 | FALSE, /* PC relative. */ |
| 1234 | 0, /* Bitpos. */ |
| 1235 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1236 | reloc_nil, /* Special_function. */ |
| 1237 | "OP_STORE", /* Name. */ |
| 1238 | FALSE, /* Partial_inplace. */ |
| 1239 | 0, /* Source mask. */ |
| 1240 | MINUS_ONE, /* Dest mask. */ |
| 1241 | FALSE), /* PC rel offset. */ |
| 1242 | |
| 1243 | /* Subtract the reloc address from the value on the top of the |
| 1244 | relocation stack. */ |
| 1245 | HOWTO (ALPHA_R_OP_PSUB, /* Type. */ |
| 1246 | 0, /* Rightshift. */ |
| 1247 | 0, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1248 | 0, /* Bitsize. */ |
| 1249 | FALSE, /* PC relative. */ |
| 1250 | 0, /* Bitpos. */ |
| 1251 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1252 | reloc_nil, /* Special_function. */ |
| 1253 | "OP_PSUB", /* Name. */ |
| 1254 | FALSE, /* Partial_inplace. */ |
| 1255 | 0, /* Source mask. */ |
| 1256 | 0, /* Dest mask. */ |
| 1257 | FALSE), /* PC rel offset. */ |
| 1258 | |
| 1259 | /* Shift the value on the top of the relocation stack right by the |
| 1260 | given value. */ |
| 1261 | HOWTO (ALPHA_R_OP_PRSHIFT, /* Type. */ |
| 1262 | 0, /* Rightshift. */ |
| 1263 | 0, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1264 | 0, /* Bitsize. */ |
| 1265 | FALSE, /* PC relative. */ |
| 1266 | 0, /* Bitpos. */ |
| 1267 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1268 | reloc_nil, /* Special_function. */ |
| 1269 | "OP_PRSHIFT", /* Name. */ |
| 1270 | FALSE, /* Partial_inplace. */ |
| 1271 | 0, /* Source mask. */ |
| 1272 | 0, /* Dest mask. */ |
| 1273 | FALSE), /* PC rel offset. */ |
| 1274 | |
| 1275 | /* Hack. Linkage is done by linker. */ |
| 1276 | HOWTO (ALPHA_R_LINKAGE, /* Type. */ |
| 1277 | 0, /* Rightshift. */ |
| 1278 | 8, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1279 | 256, /* Bitsize. */ |
| 1280 | FALSE, /* PC relative. */ |
| 1281 | 0, /* Bitpos. */ |
| 1282 | complain_overflow_dont,/* Complain_on_overflow. */ |
| 1283 | reloc_nil, /* Special_function. */ |
| 1284 | "LINKAGE", /* Name. */ |
| 1285 | FALSE, /* Partial_inplace. */ |
| 1286 | 0, /* Source mask. */ |
| 1287 | 0, /* Dest mask. */ |
| 1288 | FALSE), /* PC rel offset. */ |
| 1289 | |
| 1290 | /* A 32 bit reference to a symbol. */ |
| 1291 | HOWTO (ALPHA_R_REFLONG, /* Type. */ |
| 1292 | 0, /* Rightshift. */ |
| 1293 | 2, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1294 | 32, /* Bitsize. */ |
| 1295 | FALSE, /* PC relative. */ |
| 1296 | 0, /* Bitpos. */ |
| 1297 | complain_overflow_bitfield, /* Complain_on_overflow. */ |
| 1298 | reloc_nil, /* Special_function. */ |
| 1299 | "REFLONG", /* Name. */ |
| 1300 | TRUE, /* Partial_inplace. */ |
| 1301 | 0xffffffff, /* Source mask. */ |
| 1302 | 0xffffffff, /* Dest mask. */ |
| 1303 | FALSE), /* PC rel offset. */ |
| 1304 | |
| 1305 | /* A 64 bit reference to a procedure, written as 32 bit value. */ |
| 1306 | HOWTO (ALPHA_R_CODEADDR, /* Type. */ |
| 1307 | 0, /* Rightshift. */ |
| 1308 | 4, /* Size (0 = byte, 1 = short, 2 = long). */ |
| 1309 | 64, /* Bitsize. */ |
| 1310 | FALSE, /* PC relative. */ |
| 1311 | 0, /* Bitpos. */ |
| 1312 | complain_overflow_signed,/* Complain_on_overflow. */ |
| 1313 | reloc_nil, /* Special_function. */ |
| 1314 | "CODEADDR", /* Name. */ |
| 1315 | FALSE, /* Partial_inplace. */ |
| 1316 | 0xffffffff, /* Source mask. */ |
| 1317 | 0xffffffff, /* Dest mask. */ |
| 1318 | FALSE), /* PC rel offset. */ |
| 1319 | |
| 1320 | }; |
| 1321 | |
| 1322 | /* Return a pointer to a howto structure which, when invoked, will perform |
| 1323 | the relocation code on data from the architecture noted. */ |
| 1324 | |
| 1325 | static const struct reloc_howto_struct * |
| 1326 | vms_bfd_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED, |
| 1327 | bfd_reloc_code_real_type code) |
| 1328 | { |
| 1329 | int alpha_type; |
| 1330 | |
| 1331 | #if VMS_DEBUG |
| 1332 | vms_debug (1, "vms_bfd_reloc_type_lookup (%p, %d)\t", abfd, code); |
| 1333 | #endif |
| 1334 | |
| 1335 | switch (code) |
| 1336 | { |
| 1337 | case BFD_RELOC_16: alpha_type = ALPHA_R_SREL16; break; |
| 1338 | case BFD_RELOC_32: alpha_type = ALPHA_R_REFLONG; break; |
| 1339 | case BFD_RELOC_64: alpha_type = ALPHA_R_REFQUAD; break; |
| 1340 | case BFD_RELOC_CTOR: alpha_type = ALPHA_R_REFQUAD; break; |
| 1341 | case BFD_RELOC_23_PCREL_S2: alpha_type = ALPHA_R_BRADDR; break; |
| 1342 | case BFD_RELOC_ALPHA_HINT: alpha_type = ALPHA_R_HINT; break; |
| 1343 | case BFD_RELOC_16_PCREL: alpha_type = ALPHA_R_SREL16; break; |
| 1344 | case BFD_RELOC_32_PCREL: alpha_type = ALPHA_R_SREL32; break; |
| 1345 | case BFD_RELOC_64_PCREL: alpha_type = ALPHA_R_SREL64; break; |
| 1346 | case BFD_RELOC_ALPHA_LINKAGE: alpha_type = ALPHA_R_LINKAGE; break; |
| 1347 | case BFD_RELOC_ALPHA_CODEADDR: alpha_type = ALPHA_R_CODEADDR; break; |
| 1348 | default: |
| 1349 | (*_bfd_error_handler) ("reloc (%d) is *UNKNOWN*", code); |
| 1350 | return NULL; |
| 1351 | } |
| 1352 | #if VMS_DEBUG |
| 1353 | vms_debug (2, "reloc is %s\n", alpha_howto_table[alpha_type].name); |
| 1354 | #endif |
| 1355 | return & alpha_howto_table[alpha_type]; |
| 1356 | } |
| 1357 | |
| 1358 | static reloc_howto_type * |
| 1359 | vms_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, |
| 1360 | const char *r_name) |
| 1361 | { |
| 1362 | unsigned int i; |
| 1363 | |
| 1364 | for (i = 0; |
| 1365 | i < sizeof (alpha_howto_table) / sizeof (alpha_howto_table[0]); |
| 1366 | i++) |
| 1367 | if (alpha_howto_table[i].name != NULL |
| 1368 | && strcasecmp (alpha_howto_table[i].name, r_name) == 0) |
| 1369 | return &alpha_howto_table[i]; |
| 1370 | |
| 1371 | return NULL; |
| 1372 | } |
| 1373 | |
| 1374 | /* Part 4.7, writing an object file. */ |
| 1375 | |
| 1376 | /* Set the architecture and machine type in BFD abfd to arch and mach. |
| 1377 | Find the correct pointer to a structure and insert it into the arch_info |
| 1378 | pointer. */ |
| 1379 | |
| 1380 | static bfd_boolean |
| 1381 | vms_set_arch_mach (bfd * abfd, |
| 1382 | enum bfd_architecture arch ATTRIBUTE_UNUSED, |
| 1383 | unsigned long mach ATTRIBUTE_UNUSED) |
| 1384 | { |
| 1385 | #if VMS_DEBUG |
| 1386 | vms_debug (1, "vms_set_arch_mach (%p, %d, %ld)\n", abfd, arch, mach); |
| 1387 | #endif |
| 1388 | abfd->arch_info = bfd_scan_arch ("alpha"); |
| 1389 | |
| 1390 | return TRUE; |
| 1391 | } |
| 1392 | |
| 1393 | /* Sets the contents of the section section in BFD abfd to the data starting |
| 1394 | in memory at data. The data is written to the output section starting at |
| 1395 | offset offset for count bytes. |
| 1396 | |
| 1397 | Normally TRUE is returned, else FALSE. Possible error returns are: |
| 1398 | o bfd_error_no_contents - The output section does not have the |
| 1399 | SEC_HAS_CONTENTS attribute, so nothing can be written to it. |
| 1400 | o and some more too */ |
| 1401 | |
| 1402 | static bfd_boolean |
| 1403 | vms_set_section_contents (bfd * abfd, |
| 1404 | asection *section, |
| 1405 | const void * location, |
| 1406 | file_ptr offset, |
| 1407 | bfd_size_type count) |
| 1408 | { |
| 1409 | #if VMS_DEBUG |
| 1410 | vms_debug (1, "vms_set_section_contents (%p, sec %s, loc %p, off %ld, count %d)\n", |
| 1411 | abfd, section->name, location, (long int)offset, (int)count); |
| 1412 | vms_debug (2, "size %d\n", (int) section->size); |
| 1413 | #endif |
| 1414 | return _bfd_save_vms_section (abfd, section, location, offset, count); |
| 1415 | } |
| 1416 | |
| 1417 | /* Part 4.8, linker. */ |
| 1418 | |
| 1419 | /* Get the size of the section headers. */ |
| 1420 | |
| 1421 | static int |
| 1422 | vms_sizeof_headers (bfd * abfd ATTRIBUTE_UNUSED, |
| 1423 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
| 1424 | { |
| 1425 | #if VMS_DEBUG |
| 1426 | vms_debug (1, "vms_sizeof_headers (%p, %s)\n", abfd, (reloc)?"True":"False"); |
| 1427 | #endif |
| 1428 | return 0; |
| 1429 | } |
| 1430 | |
| 1431 | /* Provides default handling of relocation effort for back ends |
| 1432 | which can't be bothered to do it efficiently. */ |
| 1433 | |
| 1434 | static bfd_byte * |
| 1435 | vms_bfd_get_relocated_section_contents (bfd * abfd ATTRIBUTE_UNUSED, |
| 1436 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED, |
| 1437 | struct bfd_link_order *link_order ATTRIBUTE_UNUSED, |
| 1438 | bfd_byte *data ATTRIBUTE_UNUSED, |
| 1439 | bfd_boolean relocatable ATTRIBUTE_UNUSED, |
| 1440 | asymbol **symbols ATTRIBUTE_UNUSED) |
| 1441 | { |
| 1442 | #if VMS_DEBUG |
| 1443 | vms_debug (1, "vms_bfd_get_relocated_section_contents (%p, %p, %p, %p, %s, %p)\n", |
| 1444 | abfd, link_info, link_order, data, (relocatable)?"True":"False", symbols); |
| 1445 | #endif |
| 1446 | return NULL; |
| 1447 | } |
| 1448 | |
| 1449 | /* ??? */ |
| 1450 | |
| 1451 | static bfd_boolean |
| 1452 | vms_bfd_relax_section (bfd * abfd ATTRIBUTE_UNUSED, |
| 1453 | asection *section ATTRIBUTE_UNUSED, |
| 1454 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED, |
| 1455 | bfd_boolean *again ATTRIBUTE_UNUSED) |
| 1456 | { |
| 1457 | #if VMS_DEBUG |
| 1458 | vms_debug (1, "vms_bfd_relax_section (%p, %s, %p, <ret>)\n", |
| 1459 | abfd, section->name, link_info); |
| 1460 | #endif |
| 1461 | return TRUE; |
| 1462 | } |
| 1463 | |
| 1464 | static bfd_boolean |
| 1465 | vms_bfd_gc_sections (bfd * abfd ATTRIBUTE_UNUSED, |
| 1466 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED) |
| 1467 | { |
| 1468 | #if VMS_DEBUG |
| 1469 | vms_debug (1, "vms_bfd_gc_sections (%p, %p)\n", abfd, link_info); |
| 1470 | #endif |
| 1471 | return TRUE; |
| 1472 | } |
| 1473 | |
| 1474 | static bfd_boolean |
| 1475 | vms_bfd_merge_sections (bfd * abfd ATTRIBUTE_UNUSED, |
| 1476 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED) |
| 1477 | { |
| 1478 | #if VMS_DEBUG |
| 1479 | vms_debug (1, "vms_bfd_merge_sections (%p, %p)\n", abfd, link_info); |
| 1480 | #endif |
| 1481 | return TRUE; |
| 1482 | } |
| 1483 | |
| 1484 | /* Create a hash table for the linker. Different backends store |
| 1485 | different information in this table. */ |
| 1486 | |
| 1487 | static struct bfd_link_hash_table * |
| 1488 | vms_bfd_link_hash_table_create (bfd * abfd ATTRIBUTE_UNUSED) |
| 1489 | { |
| 1490 | #if VMS_DEBUG |
| 1491 | vms_debug (1, "vms_bfd_link_hash_table_create (%p)\n", abfd); |
| 1492 | #endif |
| 1493 | return NULL; |
| 1494 | } |
| 1495 | |
| 1496 | /* Free a linker hash table. */ |
| 1497 | |
| 1498 | static void |
| 1499 | vms_bfd_link_hash_table_free (struct bfd_link_hash_table *hash ATTRIBUTE_UNUSED) |
| 1500 | { |
| 1501 | #if VMS_DEBUG |
| 1502 | vms_debug (1, "vms_bfd_link_hash_table_free (%p)\n", abfd); |
| 1503 | #endif |
| 1504 | } |
| 1505 | |
| 1506 | /* Add symbols from this object file into the hash table. */ |
| 1507 | |
| 1508 | static bfd_boolean |
| 1509 | vms_bfd_link_add_symbols (bfd * abfd ATTRIBUTE_UNUSED, |
| 1510 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED) |
| 1511 | { |
| 1512 | #if VMS_DEBUG |
| 1513 | vms_debug (1, "vms_bfd_link_add_symbols (%p, %p)\n", abfd, link_info); |
| 1514 | #endif |
| 1515 | return FALSE; |
| 1516 | } |
| 1517 | |
| 1518 | /* Do a link based on the link_order structures attached to each |
| 1519 | section of the BFD. */ |
| 1520 | |
| 1521 | static bfd_boolean |
| 1522 | vms_bfd_final_link (bfd * abfd ATTRIBUTE_UNUSED, |
| 1523 | struct bfd_link_info *link_info ATTRIBUTE_UNUSED) |
| 1524 | { |
| 1525 | #if VMS_DEBUG |
| 1526 | vms_debug (1, "vms_bfd_final_link (%p, %p)\n", abfd, link_info); |
| 1527 | #endif |
| 1528 | return TRUE; |
| 1529 | } |
| 1530 | |
| 1531 | /* Should this section be split up into smaller pieces during linking. */ |
| 1532 | |
| 1533 | static bfd_boolean |
| 1534 | vms_bfd_link_split_section (bfd * abfd ATTRIBUTE_UNUSED, |
| 1535 | asection *section ATTRIBUTE_UNUSED) |
| 1536 | { |
| 1537 | #if VMS_DEBUG |
| 1538 | vms_debug (1, "vms_bfd_link_split_section (%p, %s)\n", abfd, section->name); |
| 1539 | #endif |
| 1540 | return FALSE; |
| 1541 | } |
| 1542 | |
| 1543 | /* Part 4.9, dynamic symbols and relocations. */ |
| 1544 | |
| 1545 | /* Get the amount of memory required to hold the dynamic symbols. */ |
| 1546 | |
| 1547 | static long |
| 1548 | vms_get_dynamic_symtab_upper_bound (bfd * abfd ATTRIBUTE_UNUSED) |
| 1549 | { |
| 1550 | #if VMS_DEBUG |
| 1551 | vms_debug (1, "vms_get_dynamic_symtab_upper_bound (%p)\n", abfd); |
| 1552 | #endif |
| 1553 | return 0; |
| 1554 | } |
| 1555 | |
| 1556 | static bfd_boolean |
| 1557 | vms_bfd_print_private_bfd_data (bfd * abfd ATTRIBUTE_UNUSED, |
| 1558 | void *file ATTRIBUTE_UNUSED) |
| 1559 | { |
| 1560 | #if VMS_DEBUG |
| 1561 | vms_debug (1, "vms_bfd_print_private_bfd_data (%p)\n", abfd); |
| 1562 | #endif |
| 1563 | return FALSE; |
| 1564 | } |
| 1565 | |
| 1566 | /* Read in the dynamic symbols. */ |
| 1567 | |
| 1568 | static long |
| 1569 | vms_canonicalize_dynamic_symtab (bfd * abfd ATTRIBUTE_UNUSED, |
| 1570 | asymbol **symbols ATTRIBUTE_UNUSED) |
| 1571 | { |
| 1572 | #if VMS_DEBUG |
| 1573 | vms_debug (1, "vms_canonicalize_dynamic_symtab (%p, <ret>)\n", abfd); |
| 1574 | #endif |
| 1575 | return 0L; |
| 1576 | } |
| 1577 | |
| 1578 | /* Get the amount of memory required to hold the dynamic relocs. */ |
| 1579 | |
| 1580 | static long |
| 1581 | vms_get_dynamic_reloc_upper_bound (bfd * abfd ATTRIBUTE_UNUSED) |
| 1582 | { |
| 1583 | #if VMS_DEBUG |
| 1584 | vms_debug (1, "vms_get_dynamic_reloc_upper_bound (%p)\n", abfd); |
| 1585 | #endif |
| 1586 | return 0L; |
| 1587 | } |
| 1588 | |
| 1589 | /* Read in the dynamic relocs. */ |
| 1590 | |
| 1591 | static long |
| 1592 | vms_canonicalize_dynamic_reloc (bfd * abfd ATTRIBUTE_UNUSED, |
| 1593 | arelent **arel ATTRIBUTE_UNUSED, |
| 1594 | asymbol **symbols ATTRIBUTE_UNUSED) |
| 1595 | { |
| 1596 | #if VMS_DEBUG |
| 1597 | vms_debug (1, "vms_canonicalize_dynamic_reloc (%p)\n", abfd); |
| 1598 | #endif |
| 1599 | return 0L; |
| 1600 | } |
| 1601 | \f |
| 1602 | const bfd_target vms_alpha_vec = |
| 1603 | { |
| 1604 | "vms-alpha", /* Name. */ |
| 1605 | bfd_target_evax_flavour, |
| 1606 | BFD_ENDIAN_LITTLE, /* Data byte order is little. */ |
| 1607 | BFD_ENDIAN_LITTLE, /* Header byte order is little. */ |
| 1608 | |
| 1609 | (HAS_RELOC | HAS_SYMS |
| 1610 | | WP_TEXT | D_PAGED), /* Object flags. */ |
| 1611 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
| 1612 | | SEC_READONLY | SEC_CODE | SEC_DATA |
| 1613 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* Sect flags. */ |
| 1614 | 0, /* Symbol_leading_char. */ |
| 1615 | ' ', /* AR_pad_char. */ |
| 1616 | 15, /* AR_max_namelen. */ |
| 1617 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 1618 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 1619 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, |
| 1620 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 1621 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 1622 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, |
| 1623 | |
| 1624 | {_bfd_dummy_target, vms_object_p, /* bfd_check_format. */ |
| 1625 | vms_archive_p, _bfd_dummy_target}, |
| 1626 | {bfd_false, vms_mkobject, /* bfd_set_format. */ |
| 1627 | _bfd_generic_mkarchive, bfd_false}, |
| 1628 | {bfd_false, vms_write_object_contents, /* bfd_write_contents. */ |
| 1629 | _bfd_write_archive_contents, bfd_false}, |
| 1630 | |
| 1631 | BFD_JUMP_TABLE_GENERIC (vms), |
| 1632 | BFD_JUMP_TABLE_COPY (vms), |
| 1633 | BFD_JUMP_TABLE_CORE (vms), |
| 1634 | BFD_JUMP_TABLE_ARCHIVE (vms), |
| 1635 | BFD_JUMP_TABLE_SYMBOLS (vms), |
| 1636 | BFD_JUMP_TABLE_RELOCS (vms), |
| 1637 | BFD_JUMP_TABLE_WRITE (vms), |
| 1638 | BFD_JUMP_TABLE_LINK (vms), |
| 1639 | BFD_JUMP_TABLE_DYNAMIC (vms), |
| 1640 | |
| 1641 | NULL, |
| 1642 | |
| 1643 | NULL |
| 1644 | }; |
| 1645 | |
| 1646 | const bfd_target vms_vax_vec = |
| 1647 | { |
| 1648 | "vms-vax", /* Name. */ |
| 1649 | bfd_target_ovax_flavour, |
| 1650 | BFD_ENDIAN_LITTLE, /* Data byte order is little. */ |
| 1651 | BFD_ENDIAN_LITTLE, /* Header byte order is little. */ |
| 1652 | |
| 1653 | (HAS_RELOC | HAS_SYMS /* Object flags. */ |
| 1654 | | WP_TEXT | D_PAGED |
| 1655 | | HAS_LINENO | HAS_DEBUG | HAS_LOCALS), |
| 1656 | |
| 1657 | (SEC_ALLOC | SEC_LOAD | SEC_RELOC |
| 1658 | | SEC_READONLY | SEC_CODE | SEC_DATA |
| 1659 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY), /* Sect flags. */ |
| 1660 | 0, /* Symbol_leading_char. */ |
| 1661 | ' ', /* AR_pad_char. */ |
| 1662 | 15, /* AR_max_namelen. */ |
| 1663 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 1664 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 1665 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Data. */ |
| 1666 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 1667 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 1668 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* Headers. */ |
| 1669 | |
| 1670 | {_bfd_dummy_target, vms_object_p, /* bfd_check_format. */ |
| 1671 | vms_archive_p, _bfd_dummy_target}, |
| 1672 | {bfd_false, vms_mkobject, /* bfd_set_format. */ |
| 1673 | _bfd_generic_mkarchive, bfd_false}, |
| 1674 | {bfd_false, vms_write_object_contents, /* bfd_write_contents. */ |
| 1675 | _bfd_write_archive_contents, bfd_false}, |
| 1676 | |
| 1677 | BFD_JUMP_TABLE_GENERIC (vms), |
| 1678 | BFD_JUMP_TABLE_COPY (vms), |
| 1679 | BFD_JUMP_TABLE_CORE (vms), |
| 1680 | BFD_JUMP_TABLE_ARCHIVE (vms), |
| 1681 | BFD_JUMP_TABLE_SYMBOLS (vms), |
| 1682 | BFD_JUMP_TABLE_RELOCS (vms), |
| 1683 | BFD_JUMP_TABLE_WRITE (vms), |
| 1684 | BFD_JUMP_TABLE_LINK (vms), |
| 1685 | BFD_JUMP_TABLE_DYNAMIC (vms), |
| 1686 | |
| 1687 | NULL, |
| 1688 | |
| 1689 | NULL |
| 1690 | }; |