1 /* BFD back-end for Intel 386 COFF files. 2 Copyright (C) 1990-2020 Free Software Foundation, Inc. 3 Written by Cygnus Support. 4 5 This file is part of BFD, the Binary File Descriptor library. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 20 MA 02110-1301, USA. */ 21 22 #include "sysdep.h" 23 #include "bfd.h" 24 #include "libbfd.h" 25 26 #include "coff/i386.h" 27 28 #include "coff/internal.h" 29 30 #ifdef COFF_WITH_PE 31 #include "coff/pe.h" 32 #endif 33 34 #ifndef bfd_pe_print_pdata 35 #define bfd_pe_print_pdata NULL 36 #endif 37 38 #include "libcoff.h" 39 40 /* All users of this file have bfd_octets_per_byte (abfd, sec) == 1. */ 41 #define OCTETS_PER_BYTE(ABFD, SEC) 1 42 43 static reloc_howto_type *coff_i386_rtype_to_howto 44 (bfd *, asection *, struct internal_reloc *, 45 struct coff_link_hash_entry *, struct internal_syment *, 46 bfd_vma *); 47 static reloc_howto_type *coff_i386_reloc_type_lookup 48 (bfd *, bfd_reloc_code_real_type); 49 50 #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (2) 51 /* The page size is a guess based on ELF. */ 52 53 #define COFF_PAGE_SIZE 0x1000 54 55 /* For some reason when using i386 COFF the value stored in the .text 56 section for a reference to a common symbol is the value itself plus 57 any desired offset. Ian Taylor, Cygnus Support. */ 58 59 /* If we are producing relocatable output, we need to do some 60 adjustments to the object file that are not done by the 61 bfd_perform_relocation function. This function is called by every 62 reloc type to make any required adjustments. */ 63 64 static bfd_reloc_status_type 65 coff_i386_reloc (bfd *abfd, 66 arelent *reloc_entry, 67 asymbol *symbol, 68 void * data, 69 asection *input_section, 70 bfd *output_bfd, 71 char **error_message ATTRIBUTE_UNUSED) 72 { 73 symvalue diff; 74 75 #ifndef COFF_WITH_PE 76 if (output_bfd == (bfd *) NULL) 77 return bfd_reloc_continue; 78 #endif 79 80 if (bfd_is_com_section (symbol->section)) 81 { 82 #ifndef COFF_WITH_PE 83 /* We are relocating a common symbol. The current value in the 84 object file is ORIG + OFFSET, where ORIG is the value of the 85 common symbol as seen by the object file when it was compiled 86 (this may be zero if the symbol was undefined) and OFFSET is 87 the offset into the common symbol (normally zero, but may be 88 non-zero when referring to a field in a common structure). 89 ORIG is the negative of reloc_entry->addend, which is set by 90 the CALC_ADDEND macro below. We want to replace the value in 91 the object file with NEW + OFFSET, where NEW is the value of 92 the common symbol which we are going to put in the final 93 object file. NEW is symbol->value. */ 94 diff = symbol->value + reloc_entry->addend; 95 #else 96 /* In PE mode, we do not offset the common symbol. */ 97 diff = reloc_entry->addend; 98 #endif 99 } 100 else 101 { 102 /* For some reason bfd_perform_relocation always effectively 103 ignores the addend for a COFF target when producing 104 relocatable output. This seems to be always wrong for 386 105 COFF, so we handle the addend here instead. */ 106 #ifdef COFF_WITH_PE 107 if (output_bfd == (bfd *) NULL) 108 { 109 reloc_howto_type *howto = reloc_entry->howto; 110 111 /* Although PC relative relocations are very similar between 112 PE and non-PE formats, but they are off by 1 << howto->size 113 bytes. For the external relocation, PE is very different 114 from others. See md_apply_fix3 () in gas/config/tc-i386.c. 115 When we link PE and non-PE object files together to 116 generate a non-PE executable, we have to compensate it 117 here. */ 118 if (howto->pc_relative && howto->pcrel_offset) 119 diff = -(1 << howto->size); 120 else if (symbol->flags & BSF_WEAK) 121 diff = reloc_entry->addend - symbol->value; 122 else 123 diff = -reloc_entry->addend; 124 } 125 else 126 #endif 127 diff = reloc_entry->addend; 128 } 129 130 #ifdef COFF_WITH_PE 131 /* FIXME: How should this case be handled? */ 132 if (reloc_entry->howto->type == R_IMAGEBASE 133 && output_bfd != NULL 134 && bfd_get_flavour(output_bfd) == bfd_target_coff_flavour) 135 diff -= pe_data (output_bfd)->pe_opthdr.ImageBase; 136 #endif 137 138 #define DOIT(x) \ 139 x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask)) 140 141 if (diff != 0) 142 { 143 reloc_howto_type *howto = reloc_entry->howto; 144 bfd_size_type octets = (reloc_entry->address 145 * OCTETS_PER_BYTE (abfd, input_section)); 146 unsigned char *addr = (unsigned char *) data + octets; 147 148 if (!bfd_reloc_offset_in_range (howto, abfd, input_section, octets)) 149 return bfd_reloc_outofrange; 150 151 switch (howto->size) 152 { 153 case 0: 154 { 155 char x = bfd_get_8 (abfd, addr); 156 DOIT (x); 157 bfd_put_8 (abfd, x, addr); 158 } 159 break; 160 161 case 1: 162 { 163 short x = bfd_get_16 (abfd, addr); 164 DOIT (x); 165 bfd_put_16 (abfd, (bfd_vma) x, addr); 166 } 167 break; 168 169 case 2: 170 { 171 long x = bfd_get_32 (abfd, addr); 172 DOIT (x); 173 bfd_put_32 (abfd, (bfd_vma) x, addr); 174 } 175 break; 176 177 default: 178 abort (); 179 } 180 } 181 182 /* Now let bfd_perform_relocation finish everything up. */ 183 return bfd_reloc_continue; 184 } 185 186 #ifdef COFF_WITH_PE 187 /* Return TRUE if this relocation should appear in the output .reloc 188 section. */ 189 190 static bfd_boolean in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED, 191 reloc_howto_type *howto) 192 { 193 return ! howto->pc_relative && howto->type != R_IMAGEBASE 194 && howto->type != R_SECREL32; 195 } 196 #endif /* COFF_WITH_PE */ 197 198 #ifndef PCRELOFFSET 199 #define PCRELOFFSET FALSE 200 #endif 201 202 static reloc_howto_type howto_table[] = 203 { 204 EMPTY_HOWTO (0), 205 EMPTY_HOWTO (1), 206 EMPTY_HOWTO (2), 207 EMPTY_HOWTO (3), 208 EMPTY_HOWTO (4), 209 EMPTY_HOWTO (5), 210 HOWTO (R_DIR32, /* type */ 211 0, /* rightshift */ 212 2, /* size (0 = byte, 1 = short, 2 = long) */ 213 32, /* bitsize */ 214 FALSE, /* pc_relative */ 215 0, /* bitpos */ 216 complain_overflow_bitfield, /* complain_on_overflow */ 217 coff_i386_reloc, /* special_function */ 218 "dir32", /* name */ 219 TRUE, /* partial_inplace */ 220 0xffffffff, /* src_mask */ 221 0xffffffff, /* dst_mask */ 222 TRUE), /* pcrel_offset */ 223 /* PE IMAGE_REL_I386_DIR32NB relocation (7). */ 224 HOWTO (R_IMAGEBASE, /* type */ 225 0, /* rightshift */ 226 2, /* size (0 = byte, 1 = short, 2 = long) */ 227 32, /* bitsize */ 228 FALSE, /* pc_relative */ 229 0, /* bitpos */ 230 complain_overflow_bitfield, /* complain_on_overflow */ 231 coff_i386_reloc, /* special_function */ 232 "rva32", /* name */ 233 TRUE, /* partial_inplace */ 234 0xffffffff, /* src_mask */ 235 0xffffffff, /* dst_mask */ 236 FALSE), /* pcrel_offset */ 237 EMPTY_HOWTO (010), 238 EMPTY_HOWTO (011), 239 EMPTY_HOWTO (012), 240 #ifdef COFF_WITH_PE 241 /* 32-bit longword section relative relocation (013). */ 242 HOWTO (R_SECREL32, /* type */ 243 0, /* rightshift */ 244 2, /* size (0 = byte, 1 = short, 2 = long) */ 245 32, /* bitsize */ 246 FALSE, /* pc_relative */ 247 0, /* bitpos */ 248 complain_overflow_bitfield, /* complain_on_overflow */ 249 coff_i386_reloc, /* special_function */ 250 "secrel32", /* name */ 251 TRUE, /* partial_inplace */ 252 0xffffffff, /* src_mask */ 253 0xffffffff, /* dst_mask */ 254 TRUE), /* pcrel_offset */ 255 #else 256 EMPTY_HOWTO (013), 257 #endif 258 EMPTY_HOWTO (014), 259 EMPTY_HOWTO (015), 260 EMPTY_HOWTO (016), 261 /* Byte relocation (017). */ 262 HOWTO (R_RELBYTE, /* type */ 263 0, /* rightshift */ 264 0, /* size (0 = byte, 1 = short, 2 = long) */ 265 8, /* bitsize */ 266 FALSE, /* pc_relative */ 267 0, /* bitpos */ 268 complain_overflow_bitfield, /* complain_on_overflow */ 269 coff_i386_reloc, /* special_function */ 270 "8", /* name */ 271 TRUE, /* partial_inplace */ 272 0x000000ff, /* src_mask */ 273 0x000000ff, /* dst_mask */ 274 PCRELOFFSET), /* pcrel_offset */ 275 /* 16-bit word relocation (020). */ 276 HOWTO (R_RELWORD, /* type */ 277 0, /* rightshift */ 278 1, /* size (0 = byte, 1 = short, 2 = long) */ 279 16, /* bitsize */ 280 FALSE, /* pc_relative */ 281 0, /* bitpos */ 282 complain_overflow_bitfield, /* complain_on_overflow */ 283 coff_i386_reloc, /* special_function */ 284 "16", /* name */ 285 TRUE, /* partial_inplace */ 286 0x0000ffff, /* src_mask */ 287 0x0000ffff, /* dst_mask */ 288 PCRELOFFSET), /* pcrel_offset */ 289 /* 32-bit longword relocation (021). */ 290 HOWTO (R_RELLONG, /* type */ 291 0, /* rightshift */ 292 2, /* size (0 = byte, 1 = short, 2 = long) */ 293 32, /* bitsize */ 294 FALSE, /* pc_relative */ 295 0, /* bitpos */ 296 complain_overflow_bitfield, /* complain_on_overflow */ 297 coff_i386_reloc, /* special_function */ 298 "32", /* name */ 299 TRUE, /* partial_inplace */ 300 0xffffffff, /* src_mask */ 301 0xffffffff, /* dst_mask */ 302 PCRELOFFSET), /* pcrel_offset */ 303 /* Byte PC relative relocation (022). */ 304 HOWTO (R_PCRBYTE, /* type */ 305 0, /* rightshift */ 306 0, /* size (0 = byte, 1 = short, 2 = long) */ 307 8, /* bitsize */ 308 TRUE, /* pc_relative */ 309 0, /* bitpos */ 310 complain_overflow_signed, /* complain_on_overflow */ 311 coff_i386_reloc, /* special_function */ 312 "DISP8", /* name */ 313 TRUE, /* partial_inplace */ 314 0x000000ff, /* src_mask */ 315 0x000000ff, /* dst_mask */ 316 PCRELOFFSET), /* pcrel_offset */ 317 /* 16-bit word PC relative relocation (023). */ 318 HOWTO (R_PCRWORD, /* type */ 319 0, /* rightshift */ 320 1, /* size (0 = byte, 1 = short, 2 = long) */ 321 16, /* bitsize */ 322 TRUE, /* pc_relative */ 323 0, /* bitpos */ 324 complain_overflow_signed, /* complain_on_overflow */ 325 coff_i386_reloc, /* special_function */ 326 "DISP16", /* name */ 327 TRUE, /* partial_inplace */ 328 0x0000ffff, /* src_mask */ 329 0x0000ffff, /* dst_mask */ 330 PCRELOFFSET), /* pcrel_offset */ 331 /* 32-bit longword PC relative relocation (024). */ 332 HOWTO (R_PCRLONG, /* type */ 333 0, /* rightshift */ 334 2, /* size (0 = byte, 1 = short, 2 = long) */ 335 32, /* bitsize */ 336 TRUE, /* pc_relative */ 337 0, /* bitpos */ 338 complain_overflow_signed, /* complain_on_overflow */ 339 coff_i386_reloc, /* special_function */ 340 "DISP32", /* name */ 341 TRUE, /* partial_inplace */ 342 0xffffffff, /* src_mask */ 343 0xffffffff, /* dst_mask */ 344 PCRELOFFSET) /* pcrel_offset */ 345 }; 346 347 #define NUM_HOWTOS (sizeof (howto_table) / sizeof (howto_table[0])) 348 349 /* Turn a howto into a reloc nunmber */ 350 351 #define SELECT_RELOC(x,howto) { x.r_type = howto->type; } 352 #define BADMAG(x) I386BADMAG(x) 353 #define I386 1 /* Customize coffcode.h */ 354 355 #define RTYPE2HOWTO(cache_ptr, dst) \ 356 ((cache_ptr)->howto = \ 357 ((dst)->r_type < NUM_HOWTOS \ 358 ? howto_table + (dst)->r_type \ 359 : NULL)) 360 361 /* For 386 COFF a STYP_NOLOAD | STYP_BSS section is part of a shared 362 library. On some other COFF targets STYP_BSS is normally 363 STYP_NOLOAD. */ 364 #define BSS_NOLOAD_IS_SHARED_LIBRARY 365 366 /* Compute the addend of a reloc. If the reloc is to a common symbol, 367 the object file contains the value of the common symbol. By the 368 time this is called, the linker may be using a different symbol 369 from a different object file with a different value. Therefore, we 370 hack wildly to locate the original symbol from this file so that we 371 can make the correct adjustment. This macro sets coffsym to the 372 symbol from the original file, and uses it to set the addend value 373 correctly. If this is not a common symbol, the usual addend 374 calculation is done, except that an additional tweak is needed for 375 PC relative relocs. 376 FIXME: This macro refers to symbols and asect; these are from the 377 calling function, not the macro arguments. */ 378 379 #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr) \ 380 { \ 381 coff_symbol_type *coffsym = (coff_symbol_type *) NULL; \ 382 if (ptr && bfd_asymbol_bfd (ptr) != abfd) \ 383 coffsym = (obj_symbols (abfd) \ 384 + (cache_ptr->sym_ptr_ptr - symbols)); \ 385 else if (ptr) \ 386 coffsym = coff_symbol_from (ptr); \ 387 if (coffsym != (coff_symbol_type *) NULL \ 388 && coffsym->native->u.syment.n_scnum == 0) \ 389 cache_ptr->addend = - coffsym->native->u.syment.n_value; \ 390 else if (ptr && bfd_asymbol_bfd (ptr) == abfd \ 391 && ptr->section != (asection *) NULL) \ 392 cache_ptr->addend = - (ptr->section->vma + ptr->value); \ 393 else \ 394 cache_ptr->addend = 0; \ 395 if (ptr && reloc.r_type < NUM_HOWTOS \ 396 && howto_table[reloc.r_type].pc_relative) \ 397 cache_ptr->addend += asect->vma; \ 398 } 399 400 /* We use the special COFF backend linker. For normal i386 COFF, we 401 can use the generic relocate_section routine. For PE, we need our 402 own routine. */ 403 404 #ifndef COFF_WITH_PE 405 406 #define coff_relocate_section _bfd_coff_generic_relocate_section 407 408 #else /* COFF_WITH_PE */ 409 410 /* The PE relocate section routine. The only difference between this 411 and the regular routine is that we don't want to do anything for a 412 relocatable link. */ 413 414 static bfd_boolean 415 coff_pe_i386_relocate_section (bfd *output_bfd, 416 struct bfd_link_info *info, 417 bfd *input_bfd, 418 asection *input_section, 419 bfd_byte *contents, 420 struct internal_reloc *relocs, 421 struct internal_syment *syms, 422 asection **sections) 423 { 424 if (bfd_link_relocatable (info)) 425 return TRUE; 426 427 return _bfd_coff_generic_relocate_section (output_bfd, info, input_bfd, 428 input_section, contents, 429 relocs, syms, sections); 430 } 431 432 #define coff_relocate_section coff_pe_i386_relocate_section 433 434 #endif /* COFF_WITH_PE */ 435 436 /* Convert an rtype to howto for the COFF backend linker. */ 437 438 static reloc_howto_type * 439 coff_i386_rtype_to_howto (bfd *abfd ATTRIBUTE_UNUSED, 440 asection *sec, 441 struct internal_reloc *rel, 442 struct coff_link_hash_entry *h, 443 struct internal_syment *sym, 444 bfd_vma *addendp) 445 { 446 reloc_howto_type *howto; 447 448 if (rel->r_type >= NUM_HOWTOS) 449 { 450 bfd_set_error (bfd_error_bad_value); 451 return NULL; 452 } 453 454 howto = howto_table + rel->r_type; 455 456 #ifdef COFF_WITH_PE 457 /* Cancel out code in _bfd_coff_generic_relocate_section. */ 458 *addendp = 0; 459 #endif 460 461 if (howto->pc_relative) 462 *addendp += sec->vma; 463 464 if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0) 465 { 466 /* This is a common symbol. The section contents include the 467 size (sym->n_value) as an addend. The relocate_section 468 function will be adding in the final value of the symbol. We 469 need to subtract out the current size in order to get the 470 correct result. */ 471 472 BFD_ASSERT (h != NULL); 473 474 #ifndef COFF_WITH_PE 475 /* I think we *do* want to bypass this. If we don't, I have 476 seen some data parameters get the wrong relocation address. 477 If I link two versions with and without this section bypassed 478 and then do a binary comparison, the addresses which are 479 different can be looked up in the map. The case in which 480 this section has been bypassed has addresses which correspond 481 to values I can find in the map. */ 482 *addendp -= sym->n_value; 483 #endif 484 } 485 486 #ifndef COFF_WITH_PE 487 /* If the output symbol is common (in which case this must be a 488 relocatable link), we need to add in the final size of the 489 common symbol. */ 490 if (h != NULL && h->root.type == bfd_link_hash_common) 491 *addendp += h->root.u.c.size; 492 #endif 493 494 #ifdef COFF_WITH_PE 495 if (howto->pc_relative) 496 { 497 *addendp -= 4; 498 499 /* If the symbol is defined, then the generic code is going to 500 add back the symbol value in order to cancel out an 501 adjustment it made to the addend. However, we set the addend 502 to 0 at the start of this function. We need to adjust here, 503 to avoid the adjustment the generic code will make. FIXME: 504 This is getting a bit hackish. */ 505 if (sym != NULL && sym->n_scnum != 0) 506 *addendp -= sym->n_value; 507 } 508 509 if (rel->r_type == R_IMAGEBASE 510 && (bfd_get_flavour(sec->output_section->owner) 511 == bfd_target_coff_flavour)) 512 { 513 *addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase; 514 } 515 516 /* PR 17099 - Absolute R_PCRLONG relocations do not need a symbol. */ 517 if (rel->r_type == R_PCRLONG && sym == NULL) 518 *addendp -= rel->r_vaddr; 519 else 520 BFD_ASSERT (sym != NULL); 521 522 if (rel->r_type == R_SECREL32 && sym != NULL) 523 { 524 bfd_vma osect_vma; 525 526 if (h && (h->root.type == bfd_link_hash_defined 527 || h->root.type == bfd_link_hash_defweak)) 528 osect_vma = h->root.u.def.section->output_section->vma; 529 else 530 { 531 asection *s; 532 int i; 533 534 /* Sigh, the only way to get the section to offset against 535 is to find it the hard way. */ 536 537 for (s = abfd->sections, i = 1; i < sym->n_scnum; i++) 538 s = s->next; 539 540 osect_vma = s->output_section->vma; 541 } 542 543 *addendp -= osect_vma; 544 } 545 #endif 546 547 return howto; 548 } 549 550 #define coff_bfd_reloc_type_lookup coff_i386_reloc_type_lookup 551 #define coff_bfd_reloc_name_lookup coff_i386_reloc_name_lookup 552 553 static reloc_howto_type * 554 coff_i386_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, 555 bfd_reloc_code_real_type code) 556 { 557 switch (code) 558 { 559 case BFD_RELOC_RVA: 560 return howto_table + R_IMAGEBASE; 561 case BFD_RELOC_32: 562 return howto_table + R_DIR32; 563 case BFD_RELOC_32_PCREL: 564 return howto_table + R_PCRLONG; 565 case BFD_RELOC_16: 566 return howto_table + R_RELWORD; 567 case BFD_RELOC_16_PCREL: 568 return howto_table + R_PCRWORD; 569 case BFD_RELOC_8: 570 return howto_table + R_RELBYTE; 571 case BFD_RELOC_8_PCREL: 572 return howto_table + R_PCRBYTE; 573 #ifdef COFF_WITH_PE 574 case BFD_RELOC_32_SECREL: 575 return howto_table + R_SECREL32; 576 #endif 577 default: 578 BFD_FAIL (); 579 return 0; 580 } 581 } 582 583 static reloc_howto_type * 584 coff_i386_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 585 const char *r_name) 586 { 587 unsigned int i; 588 589 for (i = 0; i < NUM_HOWTOS; i++) 590 if (howto_table[i].name != NULL 591 && strcasecmp (howto_table[i].name, r_name) == 0) 592 return &howto_table[i]; 593 594 return NULL; 595 } 596 597 #define coff_rtype_to_howto coff_i386_rtype_to_howto 598 599 #ifdef TARGET_UNDERSCORE 600 601 /* If i386 gcc uses underscores for symbol names, then it does not use 602 a leading dot for local labels, so if TARGET_UNDERSCORE is defined 603 we treat all symbols starting with L as local. */ 604 605 static bfd_boolean 606 coff_i386_is_local_label_name (bfd *abfd, const char *name) 607 { 608 if (name[0] == 'L') 609 return TRUE; 610 611 return _bfd_coff_is_local_label_name (abfd, name); 612 } 613 614 #define coff_bfd_is_local_label_name coff_i386_is_local_label_name 615 616 #endif /* TARGET_UNDERSCORE */ 617 618 #include "coffcode.h" 619 620 const bfd_target 621 #ifdef TARGET_SYM 622 TARGET_SYM = 623 #else 624 i386_coff_vec = 625 #endif 626 { 627 #ifdef TARGET_NAME 628 TARGET_NAME, 629 #else 630 "coff-i386", /* name */ 631 #endif 632 bfd_target_coff_flavour, 633 BFD_ENDIAN_LITTLE, /* data byte order is little */ 634 BFD_ENDIAN_LITTLE, /* header byte order is little */ 635 636 (HAS_RELOC | EXEC_P | /* object flags */ 637 HAS_LINENO | HAS_DEBUG | 638 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ), 639 640 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */ 641 #ifdef COFF_WITH_PE 642 | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING 643 #endif 644 | SEC_CODE | SEC_DATA | SEC_EXCLUDE ), 645 646 #ifdef TARGET_UNDERSCORE 647 TARGET_UNDERSCORE, /* leading underscore */ 648 #else 649 0, /* leading underscore */ 650 #endif 651 '/', /* ar_pad_char */ 652 15, /* ar_max_namelen */ 653 0, /* match priority. */ 654 655 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 656 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 657 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ 658 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 659 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 660 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ 661 662 #ifndef COFF_CHECK_FORMAT 663 #define COFF_CHECK_FORMAT coff_object_p 664 #endif 665 #ifndef COFF_WRITE_CONTENTS 666 #define COFF_WRITE_CONTENTS coff_write_object_contents 667 #endif 668 669 /* Note that we allow an object file to be treated as a core file as well. */ 670 671 { /* bfd_check_format */ 672 _bfd_dummy_target, 673 COFF_CHECK_FORMAT, 674 bfd_generic_archive_p, 675 COFF_CHECK_FORMAT 676 }, 677 { /* bfd_set_format */ 678 _bfd_bool_bfd_false_error, 679 coff_mkobject, 680 _bfd_generic_mkarchive, 681 _bfd_bool_bfd_false_error 682 }, 683 { /* bfd_write_contents */ 684 _bfd_bool_bfd_false_error, 685 COFF_WRITE_CONTENTS, 686 _bfd_write_archive_contents, 687 _bfd_bool_bfd_false_error 688 }, 689 690 BFD_JUMP_TABLE_GENERIC (coff), 691 BFD_JUMP_TABLE_COPY (coff), 692 BFD_JUMP_TABLE_CORE (_bfd_nocore), 693 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), 694 BFD_JUMP_TABLE_SYMBOLS (coff), 695 BFD_JUMP_TABLE_RELOCS (coff), 696 BFD_JUMP_TABLE_WRITE (coff), 697 BFD_JUMP_TABLE_LINK (coff), 698 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), 699 700 NULL, 701 702 COFF_SWAP_TABLE 703 }; 704 705 #ifdef COFF_WITH_PE_BIGOBJ 706 const bfd_target 707 TARGET_SYM_BIG = 708 { 709 TARGET_NAME_BIG, 710 bfd_target_coff_flavour, 711 BFD_ENDIAN_LITTLE, /* data byte order is little */ 712 BFD_ENDIAN_LITTLE, /* header byte order is little */ 713 714 (HAS_RELOC | EXEC_P | /* object flags */ 715 HAS_LINENO | HAS_DEBUG | 716 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED | BFD_COMPRESS | BFD_DECOMPRESS ), 717 718 (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */ 719 #ifdef COFF_WITH_PE 720 | SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_READONLY | SEC_DEBUGGING 721 #endif 722 | SEC_CODE | SEC_DATA | SEC_EXCLUDE ), 723 724 #ifdef TARGET_UNDERSCORE 725 TARGET_UNDERSCORE, /* leading underscore */ 726 #else 727 0, /* leading underscore */ 728 #endif 729 '/', /* ar_pad_char */ 730 15, /* ar_max_namelen */ 731 0, /* match priority. */ 732 733 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 734 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 735 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ 736 bfd_getl64, bfd_getl_signed_64, bfd_putl64, 737 bfd_getl32, bfd_getl_signed_32, bfd_putl32, 738 bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ 739 740 /* Note that we allow an object file to be treated as a core file as well. */ 741 742 { /* bfd_check_format */ 743 _bfd_dummy_target, 744 COFF_CHECK_FORMAT, 745 bfd_generic_archive_p, 746 COFF_CHECK_FORMAT 747 }, 748 { /* bfd_set_format */ 749 _bfd_bool_bfd_false_error, 750 coff_mkobject, 751 _bfd_generic_mkarchive, 752 _bfd_bool_bfd_false_error 753 }, 754 { /* bfd_write_contents */ 755 _bfd_bool_bfd_false_error, 756 COFF_WRITE_CONTENTS, 757 _bfd_write_archive_contents, 758 _bfd_bool_bfd_false_error 759 }, 760 761 BFD_JUMP_TABLE_GENERIC (coff), 762 BFD_JUMP_TABLE_COPY (coff), 763 BFD_JUMP_TABLE_CORE (_bfd_nocore), 764 BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff), 765 BFD_JUMP_TABLE_SYMBOLS (coff), 766 BFD_JUMP_TABLE_RELOCS (coff), 767 BFD_JUMP_TABLE_WRITE (coff), 768 BFD_JUMP_TABLE_LINK (coff), 769 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), 770 771 NULL, 772 773 &bigobj_swap_table 774 }; 775 #endif