elf32-vax.c revision 1.1.1.7.4.1
1 /* VAX series support for 32-bit ELF 2 Copyright (C) 1993-2019 Free Software Foundation, Inc. 3 Contributed by Matt Thomas <matt (at) 3am-software.com>. 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 "bfdlink.h" 25 #include "libbfd.h" 26 #include "elf-bfd.h" 27 #include "elf/vax.h" 28 29 static reloc_howto_type *reloc_type_lookup (bfd *, bfd_reloc_code_real_type); 30 static bfd_boolean rtype_to_howto (bfd *, arelent *, Elf_Internal_Rela *); 31 static struct bfd_hash_entry *elf_vax_link_hash_newfunc (struct bfd_hash_entry *, 32 struct bfd_hash_table *, 33 const char *); 34 static struct bfd_link_hash_table *elf_vax_link_hash_table_create (bfd *); 35 static bfd_boolean elf_vax_check_relocs (bfd *, struct bfd_link_info *, 36 asection *, const Elf_Internal_Rela *); 37 static bfd_boolean elf_vax_adjust_dynamic_symbol (struct bfd_link_info *, 38 struct elf_link_hash_entry *); 39 static bfd_boolean elf_vax_size_dynamic_sections (bfd *, struct bfd_link_info *); 40 static bfd_boolean elf_vax_relocate_section (bfd *, struct bfd_link_info *, 41 bfd *, asection *, bfd_byte *, 42 Elf_Internal_Rela *, 43 Elf_Internal_Sym *, asection **); 44 static bfd_boolean elf_vax_finish_dynamic_symbol (bfd *, struct bfd_link_info *, 45 struct elf_link_hash_entry *, 46 Elf_Internal_Sym *); 47 static bfd_boolean elf_vax_finish_dynamic_sections (bfd *, 48 struct bfd_link_info *); 49 static bfd_vma elf_vax_plt_sym_val (bfd_vma, const asection *, 50 const arelent *); 51 52 static bfd_boolean elf32_vax_set_private_flags (bfd *, flagword); 53 static bfd_boolean elf32_vax_print_private_bfd_data (bfd *, void *); 54 55 static reloc_howto_type howto_table[] = { 56 HOWTO (R_VAX_NONE, /* type */ 57 0, /* rightshift */ 58 3, /* size (0 = byte, 1 = short, 2 = long) */ 59 0, /* bitsize */ 60 FALSE, /* pc_relative */ 61 0, /* bitpos */ 62 complain_overflow_dont, /* complain_on_overflow */ 63 bfd_elf_generic_reloc, /* special_function */ 64 "R_VAX_NONE", /* name */ 65 FALSE, /* partial_inplace */ 66 0, /* src_mask */ 67 0x00000000, /* dst_mask */ 68 FALSE), /* pcrel_offset */ 69 70 HOWTO (R_VAX_32, /* type */ 71 0, /* rightshift */ 72 2, /* size (0 = byte, 1 = short, 2 = long) */ 73 32, /* bitsize */ 74 FALSE, /* pc_relative */ 75 0, /* bitpos */ 76 complain_overflow_bitfield, /* complain_on_overflow */ 77 bfd_elf_generic_reloc, /* special_function */ 78 "R_VAX_32", /* name */ 79 FALSE, /* partial_inplace */ 80 0, /* src_mask */ 81 0xffffffff, /* dst_mask */ 82 FALSE), /* pcrel_offset */ 83 84 HOWTO (R_VAX_16, /* type */ 85 0, /* rightshift */ 86 1, /* size (0 = byte, 1 = short, 2 = long) */ 87 16, /* bitsize */ 88 FALSE, /* pc_relative */ 89 0, /* bitpos */ 90 complain_overflow_bitfield, /* complain_on_overflow */ 91 bfd_elf_generic_reloc, /* special_function */ 92 "R_VAX_16", /* name */ 93 FALSE, /* partial_inplace */ 94 0, /* src_mask */ 95 0x0000ffff, /* dst_mask */ 96 FALSE), /* pcrel_offset */ 97 98 HOWTO (R_VAX_8, /* type */ 99 0, /* rightshift */ 100 0, /* size (0 = byte, 1 = short, 2 = long) */ 101 8, /* bitsize */ 102 FALSE, /* pc_relative */ 103 0, /* bitpos */ 104 complain_overflow_bitfield, /* complain_on_overflow */ 105 bfd_elf_generic_reloc, /* special_function */ 106 "R_VAX_8", /* name */ 107 FALSE, /* partial_inplace */ 108 0, /* src_mask */ 109 0x000000ff, /* dst_mask */ 110 FALSE), /* pcrel_offset */ 111 112 HOWTO (R_VAX_PC32, /* type */ 113 0, /* rightshift */ 114 2, /* size (0 = byte, 1 = short, 2 = long) */ 115 32, /* bitsize */ 116 TRUE, /* pc_relative */ 117 0, /* bitpos */ 118 complain_overflow_bitfield, /* complain_on_overflow */ 119 bfd_elf_generic_reloc, /* special_function */ 120 "R_VAX_PC32", /* name */ 121 FALSE, /* partial_inplace */ 122 0, /* src_mask */ 123 0xffffffff, /* dst_mask */ 124 TRUE), /* pcrel_offset */ 125 126 HOWTO (R_VAX_PC16, /* type */ 127 0, /* rightshift */ 128 1, /* size (0 = byte, 1 = short, 2 = long) */ 129 16, /* bitsize */ 130 TRUE, /* pc_relative */ 131 0, /* bitpos */ 132 complain_overflow_signed, /* complain_on_overflow */ 133 bfd_elf_generic_reloc, /* special_function */ 134 "R_VAX_PC16", /* name */ 135 FALSE, /* partial_inplace */ 136 0, /* src_mask */ 137 0x0000ffff, /* dst_mask */ 138 TRUE), /* pcrel_offset */ 139 140 HOWTO (R_VAX_PC8, /* type */ 141 0, /* rightshift */ 142 0, /* size (0 = byte, 1 = short, 2 = long) */ 143 8, /* bitsize */ 144 TRUE, /* pc_relative */ 145 0, /* bitpos */ 146 complain_overflow_signed, /* complain_on_overflow */ 147 bfd_elf_generic_reloc, /* special_function */ 148 "R_VAX_PC8", /* name */ 149 FALSE, /* partial_inplace */ 150 0, /* src_mask */ 151 0x000000ff, /* dst_mask */ 152 TRUE), /* pcrel_offset */ 153 154 HOWTO (R_VAX_GOT32, /* type */ 155 0, /* rightshift */ 156 2, /* size (0 = byte, 1 = short, 2 = long) */ 157 32, /* bitsize */ 158 TRUE, /* pc_relative */ 159 0, /* bitpos */ 160 complain_overflow_bitfield, /* complain_on_overflow */ 161 bfd_elf_generic_reloc, /* special_function */ 162 "R_VAX_GOT32", /* name */ 163 FALSE, /* partial_inplace */ 164 0, /* src_mask */ 165 0xffffffff, /* dst_mask */ 166 TRUE), /* pcrel_offset */ 167 168 EMPTY_HOWTO (-1), 169 EMPTY_HOWTO (-1), 170 EMPTY_HOWTO (-1), 171 EMPTY_HOWTO (-1), 172 EMPTY_HOWTO (-1), 173 174 HOWTO (R_VAX_PLT32, /* type */ 175 0, /* rightshift */ 176 2, /* size (0 = byte, 1 = short, 2 = long) */ 177 32, /* bitsize */ 178 TRUE, /* pc_relative */ 179 0, /* bitpos */ 180 complain_overflow_bitfield, /* complain_on_overflow */ 181 bfd_elf_generic_reloc, /* special_function */ 182 "R_VAX_PLT32", /* name */ 183 FALSE, /* partial_inplace */ 184 0, /* src_mask */ 185 0xffffffff, /* dst_mask */ 186 TRUE), /* pcrel_offset */ 187 188 EMPTY_HOWTO (-1), 189 EMPTY_HOWTO (-1), 190 EMPTY_HOWTO (-1), 191 EMPTY_HOWTO (-1), 192 EMPTY_HOWTO (-1), 193 194 HOWTO (R_VAX_COPY, /* type */ 195 0, /* rightshift */ 196 0, /* size (0 = byte, 1 = short, 2 = long) */ 197 0, /* bitsize */ 198 FALSE, /* pc_relative */ 199 0, /* bitpos */ 200 complain_overflow_dont, /* complain_on_overflow */ 201 bfd_elf_generic_reloc, /* special_function */ 202 "R_VAX_COPY", /* name */ 203 FALSE, /* partial_inplace */ 204 0, /* src_mask */ 205 0xffffffff, /* dst_mask */ 206 FALSE), /* pcrel_offset */ 207 208 HOWTO (R_VAX_GLOB_DAT, /* type */ 209 0, /* rightshift */ 210 2, /* size (0 = byte, 1 = short, 2 = long) */ 211 32, /* bitsize */ 212 FALSE, /* pc_relative */ 213 0, /* bitpos */ 214 complain_overflow_dont, /* complain_on_overflow */ 215 bfd_elf_generic_reloc, /* special_function */ 216 "R_VAX_GLOB_DAT", /* name */ 217 FALSE, /* partial_inplace */ 218 0, /* src_mask */ 219 0xffffffff, /* dst_mask */ 220 FALSE), /* pcrel_offset */ 221 222 HOWTO (R_VAX_JMP_SLOT, /* type */ 223 0, /* rightshift */ 224 2, /* size (0 = byte, 1 = short, 2 = long) */ 225 32, /* bitsize */ 226 FALSE, /* pc_relative */ 227 0, /* bitpos */ 228 complain_overflow_dont, /* complain_on_overflow */ 229 bfd_elf_generic_reloc, /* special_function */ 230 "R_VAX_JMP_SLOT", /* name */ 231 FALSE, /* partial_inplace */ 232 0, /* src_mask */ 233 0xffffffff, /* dst_mask */ 234 FALSE), /* pcrel_offset */ 235 236 HOWTO (R_VAX_RELATIVE, /* type */ 237 0, /* rightshift */ 238 2, /* size (0 = byte, 1 = short, 2 = long) */ 239 32, /* bitsize */ 240 FALSE, /* pc_relative */ 241 0, /* bitpos */ 242 complain_overflow_dont, /* complain_on_overflow */ 243 bfd_elf_generic_reloc, /* special_function */ 244 "R_VAX_RELATIVE", /* name */ 245 FALSE, /* partial_inplace */ 246 0, /* src_mask */ 247 0xffffffff, /* dst_mask */ 248 FALSE), /* pcrel_offset */ 249 250 /* GNU extension to record C++ vtable hierarchy */ 251 HOWTO (R_VAX_GNU_VTINHERIT, /* type */ 252 0, /* rightshift */ 253 2, /* size (0 = byte, 1 = short, 2 = long) */ 254 0, /* bitsize */ 255 FALSE, /* pc_relative */ 256 0, /* bitpos */ 257 complain_overflow_dont, /* complain_on_overflow */ 258 NULL, /* special_function */ 259 "R_VAX_GNU_VTINHERIT", /* name */ 260 FALSE, /* partial_inplace */ 261 0, /* src_mask */ 262 0, /* dst_mask */ 263 FALSE), /* pcrel_offset */ 264 265 /* GNU extension to record C++ vtable member usage */ 266 HOWTO (R_VAX_GNU_VTENTRY, /* type */ 267 0, /* rightshift */ 268 2, /* size (0 = byte, 1 = short, 2 = long) */ 269 0, /* bitsize */ 270 FALSE, /* pc_relative */ 271 0, /* bitpos */ 272 complain_overflow_dont, /* complain_on_overflow */ 273 _bfd_elf_rel_vtable_reloc_fn, /* special_function */ 274 "R_VAX_GNU_VTENTRY", /* name */ 275 FALSE, /* partial_inplace */ 276 0, /* src_mask */ 277 0, /* dst_mask */ 278 FALSE), /* pcrel_offset */ 279 }; 280 281 static bfd_boolean 282 rtype_to_howto (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) 283 { 284 unsigned int r_type; 285 286 r_type = ELF32_R_TYPE (dst->r_info); 287 if (r_type >= R_VAX_max) 288 { 289 /* xgettext:c-format */ 290 _bfd_error_handler (_("%pB: unsupported relocation type %#x"), 291 abfd, r_type); 292 bfd_set_error (bfd_error_bad_value); 293 return FALSE; 294 } 295 cache_ptr->howto = &howto_table[r_type]; 296 return TRUE; 297 } 298 299 #define elf_info_to_howto rtype_to_howto 300 301 static const struct 302 { 303 bfd_reloc_code_real_type bfd_val; 304 int elf_val; 305 } reloc_map[] = { 306 { BFD_RELOC_NONE, R_VAX_NONE }, 307 { BFD_RELOC_32, R_VAX_32 }, 308 { BFD_RELOC_16, R_VAX_16 }, 309 { BFD_RELOC_8, R_VAX_8 }, 310 { BFD_RELOC_32_PCREL, R_VAX_PC32 }, 311 { BFD_RELOC_16_PCREL, R_VAX_PC16 }, 312 { BFD_RELOC_8_PCREL, R_VAX_PC8 }, 313 { BFD_RELOC_32_GOT_PCREL, R_VAX_GOT32 }, 314 { BFD_RELOC_32_PLT_PCREL, R_VAX_PLT32 }, 315 { BFD_RELOC_NONE, R_VAX_COPY }, 316 { BFD_RELOC_VAX_GLOB_DAT, R_VAX_GLOB_DAT }, 317 { BFD_RELOC_VAX_JMP_SLOT, R_VAX_JMP_SLOT }, 318 { BFD_RELOC_VAX_RELATIVE, R_VAX_RELATIVE }, 319 { BFD_RELOC_CTOR, R_VAX_32 }, 320 { BFD_RELOC_VTABLE_INHERIT, R_VAX_GNU_VTINHERIT }, 321 { BFD_RELOC_VTABLE_ENTRY, R_VAX_GNU_VTENTRY }, 322 }; 323 324 static reloc_howto_type * 325 reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED, bfd_reloc_code_real_type code) 326 { 327 unsigned int i; 328 for (i = 0; i < sizeof (reloc_map) / sizeof (reloc_map[0]); i++) 329 { 330 if (reloc_map[i].bfd_val == code) 331 return &howto_table[reloc_map[i].elf_val]; 332 } 333 return 0; 334 } 335 336 static reloc_howto_type * 337 reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, 338 const char *r_name) 339 { 340 unsigned int i; 341 342 for (i = 0; i < sizeof (howto_table) / sizeof (howto_table[0]); i++) 343 if (howto_table[i].name != NULL 344 && strcasecmp (howto_table[i].name, r_name) == 0) 345 return &howto_table[i]; 346 347 return NULL; 348 } 349 350 #define bfd_elf32_bfd_reloc_type_lookup reloc_type_lookup 351 #define bfd_elf32_bfd_reloc_name_lookup reloc_name_lookup 352 #define ELF_ARCH bfd_arch_vax 353 /* end code generated by elf.el */ 354 355 /* Functions for the VAX ELF linker. */ 357 358 /* The name of the dynamic interpreter. This is put in the .interp 359 section. */ 360 361 #define ELF_DYNAMIC_INTERPRETER "/usr/libexec/ld.elf_so" 362 363 /* The size in bytes of an entry in the procedure linkage table. */ 364 365 #define PLT_ENTRY_SIZE 12 366 367 /* The first entry in a procedure linkage table looks like this. See 368 the SVR4 ABI VAX supplement to see how this works. */ 369 370 static const bfd_byte elf_vax_plt0_entry[PLT_ENTRY_SIZE] = 371 { 372 0xdd, 0xef, /* pushl l^ */ 373 0, 0, 0, 0, /* offset to .plt.got + 4 */ 374 0x17, 0xff, /* jmp @L^(pc) */ 375 0, 0, 0, 0, /* offset to .plt.got + 8 */ 376 }; 377 378 /* Subsequent entries in a procedure linkage table look like this. */ 379 380 static const bfd_byte elf_vax_plt_entry[PLT_ENTRY_SIZE] = 381 { 382 0xfc, 0x0f, /* .word ^M<r11:r2> */ 383 0x16, 0xef, /* jsb L^(pc) */ 384 0, 0, 0, 0, /* replaced with offset to start of .plt */ 385 0, 0, 0, 0, /* index into .rela.plt */ 386 }; 387 388 /* The VAX linker needs to keep track of the number of relocs that it 389 decides to copy in check_relocs for each symbol. This is so that it 390 can discard PC relative relocs if it doesn't need them when linking 391 with -Bsymbolic. We store the information in a field extending the 392 regular ELF linker hash table. */ 393 394 /* This structure keeps track of the number of PC relative relocs we have 395 copied for a given symbol. */ 396 397 struct elf_vax_pcrel_relocs_copied 398 { 399 /* Next section. */ 400 struct elf_vax_pcrel_relocs_copied *next; 401 /* A section in dynobj. */ 402 asection *section; 403 /* Number of relocs copied in this section. */ 404 bfd_size_type count; 405 }; 406 407 /* VAX ELF linker hash entry. */ 408 409 struct elf_vax_link_hash_entry 410 { 411 struct elf_link_hash_entry root; 412 413 /* Number of PC relative relocs copied for this symbol. */ 414 struct elf_vax_pcrel_relocs_copied *pcrel_relocs_copied; 415 416 bfd_vma got_addend; 417 }; 418 419 /* Declare this now that the above structures are defined. */ 420 421 static bfd_boolean elf_vax_discard_copies (struct elf_vax_link_hash_entry *, 422 void *); 423 424 /* Declare this now that the above structures are defined. */ 425 426 static bfd_boolean elf_vax_instantiate_got_entries (struct elf_link_hash_entry *, 427 void *); 428 429 /* Traverse an VAX ELF linker hash table. */ 430 431 #define elf_vax_link_hash_traverse(table, func, info) \ 432 (elf_link_hash_traverse \ 433 ((table), \ 434 (bfd_boolean (*) (struct elf_link_hash_entry *, void *)) (func), \ 435 (info))) 436 437 /* Create an entry in an VAX ELF linker hash table. */ 438 439 static struct bfd_hash_entry * 440 elf_vax_link_hash_newfunc (struct bfd_hash_entry *entry, 441 struct bfd_hash_table *table, 442 const char *string) 443 { 444 struct elf_vax_link_hash_entry *ret = 445 (struct elf_vax_link_hash_entry *) entry; 446 447 /* Allocate the structure if it has not already been allocated by a 448 subclass. */ 449 if (ret == NULL) 450 ret = ((struct elf_vax_link_hash_entry *) 451 bfd_hash_allocate (table, 452 sizeof (struct elf_vax_link_hash_entry))); 453 if (ret == NULL) 454 return (struct bfd_hash_entry *) ret; 455 456 /* Call the allocation method of the superclass. */ 457 ret = ((struct elf_vax_link_hash_entry *) 458 _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret, 459 table, string)); 460 if (ret != NULL) 461 { 462 ret->pcrel_relocs_copied = NULL; 463 } 464 465 return (struct bfd_hash_entry *) ret; 466 } 467 468 /* Create an VAX ELF linker hash table. */ 469 470 static struct bfd_link_hash_table * 471 elf_vax_link_hash_table_create (bfd *abfd) 472 { 473 struct elf_link_hash_table *ret; 474 bfd_size_type amt = sizeof (struct elf_link_hash_table); 475 476 ret = bfd_zmalloc (amt); 477 if (ret == NULL) 478 return NULL; 479 480 if (!_bfd_elf_link_hash_table_init (ret, abfd, 481 elf_vax_link_hash_newfunc, 482 sizeof (struct elf_vax_link_hash_entry), 483 GENERIC_ELF_DATA)) 484 { 485 free (ret); 486 return NULL; 487 } 488 489 return &ret->root; 490 } 491 492 /* Keep vax-specific flags in the ELF header */ 493 static bfd_boolean 494 elf32_vax_set_private_flags (bfd *abfd, flagword flags) 495 { 496 elf_elfheader (abfd)->e_flags = flags; 497 elf_flags_init (abfd) = TRUE; 498 return TRUE; 499 } 500 501 /* Merge backend specific data from an object file to the output 502 object file when linking. */ 503 static bfd_boolean 504 elf32_vax_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) 505 { 506 bfd *obfd = info->output_bfd; 507 flagword in_flags; 508 509 if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour 510 || bfd_get_flavour (obfd) != bfd_target_elf_flavour) 511 return TRUE; 512 513 in_flags = elf_elfheader (ibfd)->e_flags; 514 515 if (!elf_flags_init (obfd)) 516 { 517 elf_flags_init (obfd) = TRUE; 518 elf_elfheader (obfd)->e_flags = in_flags; 519 } 520 521 return TRUE; 522 } 523 524 /* Display the flags field */ 525 static bfd_boolean 526 elf32_vax_print_private_bfd_data (bfd *abfd, void * ptr) 527 { 528 FILE *file = (FILE *) ptr; 529 530 BFD_ASSERT (abfd != NULL && ptr != NULL); 531 532 /* Print normal ELF private data. */ 533 _bfd_elf_print_private_bfd_data (abfd, ptr); 534 535 /* Ignore init flag - it may not be set, despite the flags field containing valid data. */ 536 537 /* xgettext:c-format */ 538 fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags); 539 540 if (elf_elfheader (abfd)->e_flags & EF_VAX_NONPIC) 541 fprintf (file, _(" [nonpic]")); 542 543 if (elf_elfheader (abfd)->e_flags & EF_VAX_DFLOAT) 544 fprintf (file, _(" [d-float]")); 545 546 if (elf_elfheader (abfd)->e_flags & EF_VAX_GFLOAT) 547 fprintf (file, _(" [g-float]")); 548 549 fputc ('\n', file); 550 551 return TRUE; 552 } 553 /* Look through the relocs for a section during the first phase, and 554 allocate space in the global offset table or procedure linkage 555 table. */ 556 557 static bfd_boolean 558 elf_vax_check_relocs (bfd *abfd, struct bfd_link_info *info, asection *sec, 559 const Elf_Internal_Rela *relocs) 560 { 561 bfd *dynobj; 562 Elf_Internal_Shdr *symtab_hdr; 563 struct elf_link_hash_entry **sym_hashes; 564 const Elf_Internal_Rela *rel; 565 const Elf_Internal_Rela *rel_end; 566 asection *sreloc; 567 568 if (bfd_link_relocatable (info)) 569 return TRUE; 570 571 dynobj = elf_hash_table (info)->dynobj; 572 symtab_hdr = &elf_tdata (abfd)->symtab_hdr; 573 sym_hashes = elf_sym_hashes (abfd); 574 575 sreloc = NULL; 576 577 rel_end = relocs + sec->reloc_count; 578 for (rel = relocs; rel < rel_end; rel++) 579 { 580 unsigned long r_symndx; 581 struct elf_link_hash_entry *h; 582 583 r_symndx = ELF32_R_SYM (rel->r_info); 584 585 if (r_symndx < symtab_hdr->sh_info) 586 h = NULL; 587 else 588 { 589 h = sym_hashes[r_symndx - symtab_hdr->sh_info]; 590 while (h->root.type == bfd_link_hash_indirect 591 || h->root.type == bfd_link_hash_warning) 592 h = (struct elf_link_hash_entry *) h->root.u.i.link; 593 } 594 595 switch (ELF32_R_TYPE (rel->r_info)) 596 { 597 case R_VAX_GOT32: 598 BFD_ASSERT (h != NULL); 599 600 /* If this is a local symbol, we resolve it directly without 601 creating a global offset table entry. */ 602 if (h->forced_local 603 || h == elf_hash_table (info)->hgot 604 || h == elf_hash_table (info)->hplt) 605 break; 606 607 /* This symbol requires a global offset table entry. */ 608 609 if (dynobj == NULL) 610 { 611 /* Create the .got section. */ 612 elf_hash_table (info)->dynobj = dynobj = abfd; 613 if (!_bfd_elf_create_got_section (dynobj, info)) 614 return FALSE; 615 } 616 617 if (h != NULL) 618 { 619 struct elf_vax_link_hash_entry *eh; 620 621 eh = (struct elf_vax_link_hash_entry *) h; 622 if (h->got.refcount == -1) 623 { 624 h->got.refcount = 1; 625 eh->got_addend = rel->r_addend; 626 } 627 else 628 { 629 h->got.refcount++; 630 if (eh->got_addend != (bfd_vma) rel->r_addend) 631 _bfd_error_handler 632 /* xgettext:c-format */ 633 (_("%pB: warning: GOT addend of %" PRId64 " to `%s' does" 634 " not match previous GOT addend of %" PRId64), 635 abfd, (int64_t) rel->r_addend, h->root.root.string, 636 (int64_t) eh->got_addend); 637 638 } 639 } 640 break; 641 642 case R_VAX_PLT32: 643 /* This symbol requires a procedure linkage table entry. We 644 actually build the entry in adjust_dynamic_symbol, 645 because this might be a case of linking PIC code which is 646 never referenced by a dynamic object, in which case we 647 don't need to generate a procedure linkage table entry 648 after all. */ 649 BFD_ASSERT (h != NULL); 650 651 /* If this is a local symbol, we resolve it directly without 652 creating a procedure linkage table entry. */ 653 if (h->forced_local) 654 break; 655 656 h->needs_plt = 1; 657 if (h->plt.refcount == -1) 658 h->plt.refcount = 1; 659 else 660 h->plt.refcount++; 661 break; 662 663 case R_VAX_PC8: 664 case R_VAX_PC16: 665 case R_VAX_PC32: 666 /* If we are creating a shared library and this is not a local 667 symbol, we need to copy the reloc into the shared library. 668 However when linking with -Bsymbolic and this is a global 669 symbol which is defined in an object we are including in the 670 link (i.e., DEF_REGULAR is set), then we can resolve the 671 reloc directly. At this point we have not seen all the input 672 files, so it is possible that DEF_REGULAR is not set now but 673 will be set later (it is never cleared). We account for that 674 possibility below by storing information in the 675 pcrel_relocs_copied field of the hash table entry. */ 676 if (!(bfd_link_pic (info) 677 && (sec->flags & SEC_ALLOC) != 0 678 && h != NULL 679 && (!info->symbolic 680 || !h->def_regular))) 681 { 682 if (h != NULL 683 && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT 684 && !h->forced_local) 685 { 686 /* Make sure a plt entry is created for this symbol if 687 it turns out to be a function defined by a dynamic 688 object. */ 689 if (h->plt.refcount == -1) 690 h->plt.refcount = 1; 691 else 692 h->plt.refcount++; 693 } 694 break; 695 } 696 /* If this is a local symbol, we can resolve it directly. */ 697 if (h != NULL 698 && (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT 699 || h->forced_local)) 700 break; 701 702 /* Fall through. */ 703 case R_VAX_8: 704 case R_VAX_16: 705 case R_VAX_32: 706 if (h != NULL && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT) 707 { 708 /* Make sure a plt entry is created for this symbol if it 709 turns out to be a function defined by a dynamic object. */ 710 if (h->plt.refcount == -1) 711 h->plt.refcount = 1; 712 else 713 h->plt.refcount++; 714 } 715 716 /* If we are creating a shared library, we need to copy the 717 reloc into the shared library. */ 718 if (bfd_link_pic (info) 719 && (sec->flags & SEC_ALLOC) != 0) 720 { 721 /* When creating a shared object, we must copy these 722 reloc types into the output file. We create a reloc 723 section in dynobj and make room for this reloc. */ 724 if (sreloc == NULL) 725 { 726 sreloc = _bfd_elf_make_dynamic_reloc_section 727 (sec, dynobj, 2, abfd, /*rela?*/ TRUE); 728 729 if (sreloc == NULL) 730 return FALSE; 731 732 if (sec->flags & SEC_READONLY) 733 info->flags |= DF_TEXTREL; 734 } 735 736 sreloc->size += sizeof (Elf32_External_Rela); 737 738 /* If we are linking with -Bsymbolic, we count the number of 739 PC relative relocations we have entered for this symbol, 740 so that we can discard them again if the symbol is later 741 defined by a regular object. Note that this function is 742 only called if we are using a vaxelf linker hash table, 743 which means that h is really a pointer to an 744 elf_vax_link_hash_entry. */ 745 if ((ELF32_R_TYPE (rel->r_info) == R_VAX_PC8 746 || ELF32_R_TYPE (rel->r_info) == R_VAX_PC16 747 || ELF32_R_TYPE (rel->r_info) == R_VAX_PC32) 748 && info->symbolic) 749 { 750 struct elf_vax_link_hash_entry *eh; 751 struct elf_vax_pcrel_relocs_copied *p; 752 753 eh = (struct elf_vax_link_hash_entry *) h; 754 755 for (p = eh->pcrel_relocs_copied; p != NULL; p = p->next) 756 if (p->section == sreloc) 757 break; 758 759 if (p == NULL) 760 { 761 p = ((struct elf_vax_pcrel_relocs_copied *) 762 bfd_alloc (dynobj, (bfd_size_type) sizeof *p)); 763 if (p == NULL) 764 return FALSE; 765 p->next = eh->pcrel_relocs_copied; 766 eh->pcrel_relocs_copied = p; 767 p->section = sreloc; 768 p->count = 0; 769 } 770 771 ++p->count; 772 } 773 } 774 775 break; 776 777 /* This relocation describes the C++ object vtable hierarchy. 778 Reconstruct it for later use during GC. */ 779 case R_VAX_GNU_VTINHERIT: 780 if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset)) 781 return FALSE; 782 break; 783 784 /* This relocation describes which C++ vtable entries are actually 785 used. Record for later use during GC. */ 786 case R_VAX_GNU_VTENTRY: 787 BFD_ASSERT (h != NULL); 788 if (h != NULL 789 && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend)) 790 return FALSE; 791 break; 792 793 default: 794 break; 795 } 796 } 797 798 return TRUE; 799 } 800 801 /* Return the section that should be marked against GC for a given 802 relocation. */ 803 804 static asection * 805 elf_vax_gc_mark_hook (asection *sec, 806 struct bfd_link_info *info, 807 Elf_Internal_Rela *rel, 808 struct elf_link_hash_entry *h, 809 Elf_Internal_Sym *sym) 810 { 811 if (h != NULL) 812 switch (ELF32_R_TYPE (rel->r_info)) 813 { 814 case R_VAX_GNU_VTINHERIT: 815 case R_VAX_GNU_VTENTRY: 816 return NULL; 817 } 818 819 return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym); 820 } 821 822 /* Adjust a symbol defined by a dynamic object and referenced by a 823 regular object. The current definition is in some section of the 824 dynamic object, but we're not including those sections. We have to 825 change the definition to something the rest of the link can 826 understand. */ 827 828 static bfd_boolean 829 elf_vax_adjust_dynamic_symbol (struct bfd_link_info *info, 830 struct elf_link_hash_entry *h) 831 { 832 bfd *dynobj; 833 asection *s; 834 835 dynobj = elf_hash_table (info)->dynobj; 836 837 /* Make sure we know what is going on here. */ 838 BFD_ASSERT (dynobj != NULL 839 && (h->needs_plt 840 || h->is_weakalias 841 || (h->def_dynamic 842 && h->ref_regular 843 && !h->def_regular))); 844 845 /* If this is a function, put it in the procedure linkage table. We 846 will fill in the contents of the procedure linkage table later, 847 when we know the address of the .got section. */ 848 if (h->type == STT_FUNC 849 || h->needs_plt) 850 { 851 if (h->plt.refcount <= 0 852 || SYMBOL_CALLS_LOCAL (info, h) 853 || (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT 854 && h->root.type == bfd_link_hash_undefweak)) 855 { 856 /* This case can occur if we saw a PLTxx reloc in an input 857 file, but the symbol was never referred to by a dynamic 858 object, or if all references were garbage collected. In 859 such a case, we don't actually need to build a procedure 860 linkage table, and we can just do a PCxx reloc instead. */ 861 h->plt.offset = (bfd_vma) -1; 862 h->needs_plt = 0; 863 return TRUE; 864 } 865 866 s = elf_hash_table (info)->splt; 867 BFD_ASSERT (s != NULL); 868 869 /* If this is the first .plt entry, make room for the special 870 first entry. */ 871 if (s->size == 0) 872 { 873 s->size += PLT_ENTRY_SIZE; 874 } 875 876 /* If this symbol is not defined in a regular file, and we are 877 not generating a shared library, then set the symbol to this 878 location in the .plt. This is required to make function 879 pointers compare as equal between the normal executable and 880 the shared library. */ 881 if (!bfd_link_pic (info) 882 && !h->def_regular) 883 { 884 h->root.u.def.section = s; 885 h->root.u.def.value = s->size; 886 } 887 888 h->plt.offset = s->size; 889 890 /* Make room for this entry. */ 891 s->size += PLT_ENTRY_SIZE; 892 893 /* We also need to make an entry in the .got.plt section, which 894 will be placed in the .got section by the linker script. */ 895 896 s = elf_hash_table (info)->sgotplt; 897 BFD_ASSERT (s != NULL); 898 s->size += 4; 899 900 /* We also need to make an entry in the .rela.plt section. */ 901 902 s = elf_hash_table (info)->srelplt; 903 BFD_ASSERT (s != NULL); 904 s->size += sizeof (Elf32_External_Rela); 905 906 return TRUE; 907 } 908 909 /* Reinitialize the plt offset now that it is not used as a reference 910 count any more. */ 911 h->plt.offset = (bfd_vma) -1; 912 913 /* If this is a weak symbol, and there is a real definition, the 914 processor independent code will have arranged for us to see the 915 real definition first, and we can just use the same value. */ 916 if (h->is_weakalias) 917 { 918 struct elf_link_hash_entry *def = weakdef (h); 919 BFD_ASSERT (def->root.type == bfd_link_hash_defined); 920 h->root.u.def.section = def->root.u.def.section; 921 h->root.u.def.value = def->root.u.def.value; 922 return TRUE; 923 } 924 925 /* This is a reference to a symbol defined by a dynamic object which 926 is not a function. */ 927 928 /* If we are creating a shared library, we must presume that the 929 only references to the symbol are via the global offset table. 930 For such cases we need not do anything here; the relocations will 931 be handled correctly by relocate_section. */ 932 if (bfd_link_pic (info)) 933 return TRUE; 934 935 /* We must allocate the symbol in our .dynbss section, which will 936 become part of the .bss section of the executable. There will be 937 an entry for this symbol in the .dynsym section. The dynamic 938 object will contain position independent code, so all references 939 from the dynamic object to this symbol will go through the global 940 offset table. The dynamic linker will use the .dynsym entry to 941 determine the address it must put in the global offset table, so 942 both the dynamic object and the regular object will refer to the 943 same memory location for the variable. */ 944 945 s = bfd_get_linker_section (dynobj, ".dynbss"); 946 BFD_ASSERT (s != NULL); 947 948 /* We must generate a R_VAX_COPY reloc to tell the dynamic linker to 949 copy the initial value out of the dynamic object and into the 950 runtime process image. We need to remember the offset into the 951 .rela.bss section we are going to use. */ 952 if ((h->root.u.def.section->flags & SEC_ALLOC) != 0 && h->size != 0) 953 { 954 asection *srel; 955 956 srel = bfd_get_linker_section (dynobj, ".rela.bss"); 957 BFD_ASSERT (srel != NULL); 958 srel->size += sizeof (Elf32_External_Rela); 959 h->needs_copy = 1; 960 } 961 962 return _bfd_elf_adjust_dynamic_copy (info, h, s); 963 } 964 965 /* This function is called via elf_link_hash_traverse. It resets GOT 966 and PLT (.GOT) reference counts back to -1 so normal PC32 relocation 967 will be done. */ 968 969 static bfd_boolean 970 elf_vax_discard_got_entries (struct elf_link_hash_entry *h, 971 void *infoptr ATTRIBUTE_UNUSED) 972 { 973 h->got.refcount = -1; 974 h->plt.refcount = -1; 975 976 return TRUE; 977 } 978 979 /* Discard unused dynamic data if this is a static link. */ 980 981 static bfd_boolean 982 elf_vax_always_size_sections (bfd *output_bfd ATTRIBUTE_UNUSED, 983 struct bfd_link_info *info) 984 { 985 bfd *dynobj; 986 asection *s; 987 988 dynobj = elf_hash_table (info)->dynobj; 989 990 if (dynobj && !elf_hash_table (info)->dynamic_sections_created) 991 { 992 /* We may have created entries in the .rela.got and .got sections. 993 However, if we are not creating the dynamic sections, we will 994 not actually use these entries. Reset the size of .rela.got 995 and .got, which will cause them to get stripped from the output 996 file below. */ 997 s = elf_hash_table (info)->srelgot; 998 if (s != NULL) 999 s->size = 0; 1000 s = elf_hash_table (info)->sgotplt; 1001 if (s != NULL) 1002 s->size = 0; 1003 s = elf_hash_table (info)->sgot; 1004 if (s != NULL) 1005 s->size = 0; 1006 } 1007 1008 /* If this is a static link, we need to discard all the got entries we've 1009 recorded. */ 1010 if (!dynobj || !elf_hash_table (info)->dynamic_sections_created) 1011 elf_link_hash_traverse (elf_hash_table (info), 1012 elf_vax_discard_got_entries, 1013 info); 1014 1015 return TRUE; 1016 } 1017 1018 /* Set the sizes of the dynamic sections. */ 1019 1020 static bfd_boolean 1021 elf_vax_size_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) 1022 { 1023 bfd *dynobj; 1024 asection *s; 1025 bfd_boolean plt; 1026 bfd_boolean relocs; 1027 bfd_boolean reltext; 1028 1029 dynobj = elf_hash_table (info)->dynobj; 1030 BFD_ASSERT (dynobj != NULL); 1031 1032 if (elf_hash_table (info)->dynamic_sections_created) 1033 { 1034 /* Set the contents of the .interp section to the interpreter. */ 1035 if (bfd_link_executable (info) && !info->nointerp) 1036 { 1037 s = bfd_get_linker_section (dynobj, ".interp"); 1038 BFD_ASSERT (s != NULL); 1039 s->size = sizeof ELF_DYNAMIC_INTERPRETER; 1040 s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER; 1041 } 1042 } 1043 1044 /* If this is a -Bsymbolic shared link, then we need to discard all PC 1045 relative relocs against symbols defined in a regular object. We 1046 allocated space for them in the check_relocs routine, but we will not 1047 fill them in in the relocate_section routine. */ 1048 if (bfd_link_pic (info) && info->symbolic) 1049 elf_vax_link_hash_traverse (elf_hash_table (info), 1050 elf_vax_discard_copies, 1051 NULL); 1052 1053 /* If this is a -Bsymbolic shared link, we need to discard all the got 1054 entries we've recorded. Otherwise, we need to instantiate (allocate 1055 space for them). */ 1056 elf_link_hash_traverse (elf_hash_table (info), 1057 elf_vax_instantiate_got_entries, 1058 info); 1059 1060 /* The check_relocs and adjust_dynamic_symbol entry points have 1061 determined the sizes of the various dynamic sections. Allocate 1062 memory for them. */ 1063 plt = FALSE; 1064 relocs = FALSE; 1065 reltext = FALSE; 1066 for (s = dynobj->sections; s != NULL; s = s->next) 1067 { 1068 const char *name; 1069 1070 if ((s->flags & SEC_LINKER_CREATED) == 0) 1071 continue; 1072 1073 /* It's OK to base decisions on the section name, because none 1074 of the dynobj section names depend upon the input files. */ 1075 name = bfd_get_section_name (dynobj, s); 1076 1077 if (strcmp (name, ".plt") == 0) 1078 { 1079 /* Remember whether there is a PLT. */ 1080 plt = s->size != 0; 1081 } 1082 else if (CONST_STRNEQ (name, ".rela")) 1083 { 1084 if (s->size != 0) 1085 { 1086 asection *target; 1087 1088 /* Remember whether there are any reloc sections other 1089 than .rela.plt. */ 1090 if (strcmp (name, ".rela.plt") != 0) 1091 { 1092 const char *outname; 1093 1094 relocs = TRUE; 1095 1096 /* If this relocation section applies to a read only 1097 section, then we probably need a DT_TEXTREL 1098 entry. .rela.plt is actually associated with 1099 .got.plt, which is never readonly. */ 1100 outname = bfd_get_section_name (output_bfd, 1101 s->output_section); 1102 target = bfd_get_section_by_name (output_bfd, outname + 5); 1103 if (target != NULL 1104 && (target->flags & SEC_READONLY) != 0 1105 && (target->flags & SEC_ALLOC) != 0) 1106 reltext = TRUE; 1107 } 1108 1109 /* We use the reloc_count field as a counter if we need 1110 to copy relocs into the output file. */ 1111 s->reloc_count = 0; 1112 } 1113 } 1114 else if (! CONST_STRNEQ (name, ".got") 1115 && strcmp (name, ".dynbss") != 0) 1116 { 1117 /* It's not one of our sections, so don't allocate space. */ 1118 continue; 1119 } 1120 1121 if (s->size == 0) 1122 { 1123 /* If we don't need this section, strip it from the 1124 output file. This is mostly to handle .rela.bss and 1125 .rela.plt. We must create both sections in 1126 create_dynamic_sections, because they must be created 1127 before the linker maps input sections to output 1128 sections. The linker does that before 1129 adjust_dynamic_symbol is called, and it is that 1130 function which decides whether anything needs to go 1131 into these sections. */ 1132 s->flags |= SEC_EXCLUDE; 1133 continue; 1134 } 1135 1136 if ((s->flags & SEC_HAS_CONTENTS) == 0) 1137 continue; 1138 1139 /* Allocate memory for the section contents. */ 1140 s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size); 1141 if (s->contents == NULL) 1142 return FALSE; 1143 } 1144 1145 if (elf_hash_table (info)->dynamic_sections_created) 1146 { 1147 /* Add some entries to the .dynamic section. We fill in the 1148 values later, in elf_vax_finish_dynamic_sections, but we 1149 must add the entries now so that we get the correct size for 1150 the .dynamic section. The DT_DEBUG entry is filled in by the 1151 dynamic linker and used by the debugger. */ 1152 #define add_dynamic_entry(TAG, VAL) \ 1153 _bfd_elf_add_dynamic_entry (info, TAG, VAL) 1154 1155 if (!bfd_link_pic (info)) 1156 { 1157 if (!add_dynamic_entry (DT_DEBUG, 0)) 1158 return FALSE; 1159 } 1160 1161 if (plt) 1162 { 1163 if (!add_dynamic_entry (DT_PLTGOT, 0) 1164 || !add_dynamic_entry (DT_PLTRELSZ, 0) 1165 || !add_dynamic_entry (DT_PLTREL, DT_RELA) 1166 || !add_dynamic_entry (DT_JMPREL, 0)) 1167 return FALSE; 1168 } 1169 1170 if (relocs) 1171 { 1172 if (!add_dynamic_entry (DT_RELA, 0) 1173 || !add_dynamic_entry (DT_RELASZ, 0) 1174 || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela))) 1175 return FALSE; 1176 } 1177 1178 if (reltext || (info->flags & DF_TEXTREL) != 0) 1179 { 1180 if (!add_dynamic_entry (DT_TEXTREL, 0)) 1181 return FALSE; 1182 } 1183 } 1184 #undef add_dynamic_entry 1185 1186 return TRUE; 1187 } 1188 1189 /* This function is called via elf_vax_link_hash_traverse if we are 1190 creating a shared object with -Bsymbolic. It discards the space 1191 allocated to copy PC relative relocs against symbols which are defined 1192 in regular objects. We allocated space for them in the check_relocs 1193 routine, but we won't fill them in in the relocate_section routine. */ 1194 1195 static bfd_boolean 1196 elf_vax_discard_copies (struct elf_vax_link_hash_entry *h, 1197 void * ignore ATTRIBUTE_UNUSED) 1198 { 1199 struct elf_vax_pcrel_relocs_copied *s; 1200 1201 /* We only discard relocs for symbols defined in a regular object. */ 1202 if (!h->root.def_regular) 1203 return TRUE; 1204 1205 for (s = h->pcrel_relocs_copied; s != NULL; s = s->next) 1206 s->section->size -= s->count * sizeof (Elf32_External_Rela); 1207 1208 return TRUE; 1209 } 1210 1211 /* This function is called via elf_link_hash_traverse. It looks for 1212 entries that have GOT or PLT (.GOT) references. If creating a shared 1213 object with -Bsymbolic, or the symbol has been forced local, then it 1214 resets the reference count back to -1 so normal PC32 relocation will 1215 be done. Otherwise space in the .got and .rela.got will be reserved 1216 for the symbol. */ 1217 1218 static bfd_boolean 1219 elf_vax_instantiate_got_entries (struct elf_link_hash_entry *h, void * infoptr) 1220 { 1221 struct bfd_link_info *info = (struct bfd_link_info *) infoptr; 1222 bfd *dynobj; 1223 asection *sgot; 1224 asection *srelgot; 1225 1226 /* We don't care about non-GOT (and non-PLT) entries. */ 1227 if (h->got.refcount <= 0 && h->plt.refcount <= 0) 1228 return TRUE; 1229 1230 dynobj = elf_hash_table (info)->dynobj; 1231 BFD_ASSERT (dynobj != NULL); 1232 1233 sgot = elf_hash_table (info)->sgot; 1234 srelgot = elf_hash_table (info)->srelgot; 1235 1236 if (SYMBOL_REFERENCES_LOCAL (info, h)) 1237 { 1238 h->got.refcount = -1; 1239 h->plt.refcount = -1; 1240 } 1241 else if (h->got.refcount > 0) 1242 { 1243 /* Make sure this symbol is output as a dynamic symbol. */ 1244 if (h->dynindx == -1) 1245 { 1246 if (!bfd_elf_link_record_dynamic_symbol (info, h)) 1247 return FALSE; 1248 } 1249 1250 /* Allocate space in the .got and .rela.got sections. */ 1251 sgot->size += 4; 1252 srelgot->size += sizeof (Elf32_External_Rela); 1253 } 1254 1255 return TRUE; 1256 } 1257 1258 /* Relocate an VAX ELF section. */ 1259 1260 static bfd_boolean 1261 elf_vax_relocate_section (bfd *output_bfd, 1262 struct bfd_link_info *info, 1263 bfd *input_bfd, 1264 asection *input_section, 1265 bfd_byte *contents, 1266 Elf_Internal_Rela *relocs, 1267 Elf_Internal_Sym *local_syms, 1268 asection **local_sections) 1269 { 1270 Elf_Internal_Shdr *symtab_hdr; 1271 struct elf_link_hash_entry **sym_hashes; 1272 bfd_vma plt_index; 1273 bfd_vma got_offset; 1274 asection *sgot; 1275 asection *splt; 1276 asection *sgotplt; 1277 asection *sreloc; 1278 Elf_Internal_Rela *rel; 1279 Elf_Internal_Rela *relend; 1280 1281 symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr; 1282 sym_hashes = elf_sym_hashes (input_bfd); 1283 1284 sgot = NULL; 1285 splt = NULL; 1286 sgotplt = NULL; 1287 sreloc = NULL; 1288 1289 rel = relocs; 1290 relend = relocs + input_section->reloc_count; 1291 for (; rel < relend; rel++) 1292 { 1293 int r_type; 1294 reloc_howto_type *howto; 1295 unsigned long r_symndx; 1296 struct elf_link_hash_entry *h; 1297 Elf_Internal_Sym *sym; 1298 asection *sec; 1299 bfd_vma relocation; 1300 bfd_reloc_status_type r; 1301 1302 r_type = ELF32_R_TYPE (rel->r_info); 1303 if (r_type < 0 || r_type >= (int) R_VAX_max) 1304 { 1305 bfd_set_error (bfd_error_bad_value); 1306 return FALSE; 1307 } 1308 howto = howto_table + r_type; 1309 1310 r_symndx = ELF32_R_SYM (rel->r_info); 1311 h = NULL; 1312 sym = NULL; 1313 sec = NULL; 1314 if (r_symndx < symtab_hdr->sh_info) 1315 { 1316 sym = local_syms + r_symndx; 1317 sec = local_sections[r_symndx]; 1318 relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel); 1319 } 1320 else 1321 { 1322 bfd_boolean unresolved_reloc; 1323 bfd_boolean warned, ignored; 1324 1325 RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, 1326 r_symndx, symtab_hdr, sym_hashes, 1327 h, sec, relocation, 1328 unresolved_reloc, warned, ignored); 1329 1330 if ((h->root.type == bfd_link_hash_defined 1331 || h->root.type == bfd_link_hash_defweak) 1332 && ((r_type == R_VAX_PLT32 1333 && h->plt.offset != (bfd_vma) -1 1334 && !h->forced_local 1335 && elf_hash_table (info)->dynamic_sections_created) 1336 || (r_type == R_VAX_GOT32 1337 && h->got.offset != (bfd_vma) -1 1338 && !h->forced_local 1339 && elf_hash_table (info)->dynamic_sections_created 1340 && (! bfd_link_pic (info) 1341 || (! info->symbolic && h->dynindx != -1) 1342 || !h->def_regular)) 1343 || (bfd_link_pic (info) 1344 && ((! info->symbolic && h->dynindx != -1) 1345 || !h->def_regular) 1346 && ((input_section->flags & SEC_ALLOC) != 0 1347 /* DWARF will emit R_VAX_32 relocations in its 1348 sections against symbols defined externally 1349 in shared libraries. We can't do anything 1350 with them here. */ 1351 1352 || ((input_section->flags & SEC_DEBUGGING) != 0 1353 && h->def_dynamic)) 1354 && (r_type == R_VAX_8 1355 || r_type == R_VAX_16 1356 || r_type == R_VAX_32)))) 1357 /* In these cases, we don't need the relocation 1358 value. We check specially because in some 1359 obscure cases sec->output_section will be NULL. */ 1360 relocation = 0; 1361 } 1362 1363 if (sec != NULL && discarded_section (sec)) 1364 RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section, 1365 rel, 1, relend, howto, 0, contents); 1366 1367 if (bfd_link_relocatable (info)) 1368 continue; 1369 1370 switch (r_type) 1371 { 1372 case R_VAX_GOT32: 1373 /* Relocation is to the address of the entry for this symbol 1374 in the global offset table. */ 1375 1376 /* Resolve a GOTxx reloc against a local symbol directly, 1377 without using the global offset table. */ 1378 if (h == NULL 1379 || h->got.offset == (bfd_vma) -1) 1380 break; 1381 1382 { 1383 bfd_vma off; 1384 1385 sgot = elf_hash_table (info)->sgot; 1386 BFD_ASSERT (sgot != NULL); 1387 1388 off = h->got.offset; 1389 BFD_ASSERT (off < sgot->size); 1390 1391 bfd_put_32 (output_bfd, rel->r_addend, sgot->contents + off); 1392 1393 relocation = sgot->output_offset + off; 1394 /* The GOT relocation uses the addend. */ 1395 rel->r_addend = 0; 1396 1397 /* Change the reference to be indirect. */ 1398 contents[rel->r_offset - 1] |= 0x10; 1399 relocation += sgot->output_section->vma; 1400 } 1401 break; 1402 1403 case R_VAX_PC32: 1404 /* If we are creating an executable and the function this 1405 reloc refers to is in a shared lib, then we made a PLT 1406 entry for this symbol and need to handle the reloc like 1407 a PLT reloc. */ 1408 if (bfd_link_pic (info)) 1409 goto r_vax_pc32_shared; 1410 /* Fall through. */ 1411 case R_VAX_PLT32: 1412 /* Relocation is to the entry for this symbol in the 1413 procedure linkage table. */ 1414 1415 /* Resolve a PLTxx reloc against a local symbol directly, 1416 without using the procedure linkage table. */ 1417 if (h == NULL 1418 || h->plt.offset == (bfd_vma) -1) 1419 break; 1420 1421 splt = elf_hash_table (info)->splt; 1422 BFD_ASSERT (splt != NULL); 1423 1424 sgotplt = elf_hash_table (info)->sgotplt; 1425 BFD_ASSERT (sgotplt != NULL); 1426 1427 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; 1428 1429 /* Get the offset into the .got table of the entry that 1430 corresponds to this function. Each .got entry is 4 bytes. 1431 The first two are reserved. */ 1432 got_offset = (plt_index + 3) * 4; 1433 1434 /* We want the relocation to point into the .got.plt instead 1435 of the plt itself. */ 1436 relocation = (sgotplt->output_section->vma 1437 + sgotplt->output_offset 1438 + got_offset); 1439 contents[rel->r_offset-1] |= 0x10; /* make indirect */ 1440 if (rel->r_addend == 2) 1441 { 1442 h->plt.offset |= 1; 1443 } 1444 else if (rel->r_addend != 0) 1445 _bfd_error_handler 1446 /* xgettext:c-format */ 1447 (_("%pB: warning: PLT addend of %" PRId64 " to `%s'" 1448 " from %pA section ignored"), 1449 input_bfd, (int64_t) rel->r_addend, h->root.root.string, 1450 input_section); 1451 rel->r_addend = 0; 1452 1453 break; 1454 1455 case R_VAX_PC8: 1456 case R_VAX_PC16: 1457 r_vax_pc32_shared: 1458 if (h == NULL 1459 || ELF_ST_VISIBILITY (h->other) != STV_DEFAULT 1460 || h->forced_local) 1461 break; 1462 /* Fall through. */ 1463 case R_VAX_8: 1464 case R_VAX_16: 1465 case R_VAX_32: 1466 if (bfd_link_pic (info) 1467 && r_symndx != STN_UNDEF 1468 && (input_section->flags & SEC_ALLOC) != 0 1469 && ((r_type != R_VAX_PC8 1470 && r_type != R_VAX_PC16 1471 && r_type != R_VAX_PC32) 1472 || ((input_section->flags & SEC_CODE) 1473 && (!info->symbolic 1474 || (!h->def_regular && h->type != STT_SECTION))))) 1475 { 1476 Elf_Internal_Rela outrel; 1477 bfd_byte *loc; 1478 bfd_boolean skip, relocate; 1479 1480 /* When generating a shared object, these relocations 1481 are copied into the output file to be resolved at run 1482 time. */ 1483 if (sreloc == NULL) 1484 { 1485 sreloc = _bfd_elf_get_dynamic_reloc_section 1486 (input_bfd, input_section, /*rela?*/ TRUE); 1487 if (sreloc == NULL) 1488 return FALSE; 1489 } 1490 1491 skip = FALSE; 1492 relocate = FALSE; 1493 1494 outrel.r_offset = 1495 _bfd_elf_section_offset (output_bfd, info, input_section, 1496 rel->r_offset); 1497 if (outrel.r_offset == (bfd_vma) -1) 1498 skip = TRUE; 1499 if (outrel.r_offset == (bfd_vma) -2) 1500 skip = TRUE, relocate = TRUE; 1501 outrel.r_offset += (input_section->output_section->vma 1502 + input_section->output_offset); 1503 1504 if (skip) 1505 memset (&outrel, 0, sizeof outrel); 1506 /* h->dynindx may be -1 if the symbol was marked to 1507 become local. */ 1508 else if (h != NULL 1509 && ((! info->symbolic && h->dynindx != -1) 1510 || !h->def_regular)) 1511 { 1512 BFD_ASSERT (h->dynindx != -1); 1513 outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); 1514 outrel.r_addend = relocation + rel->r_addend; 1515 } 1516 else 1517 { 1518 if (r_type == R_VAX_32) 1519 { 1520 relocate = TRUE; 1521 outrel.r_info = ELF32_R_INFO (0, R_VAX_RELATIVE); 1522 BFD_ASSERT (bfd_get_signed_32 (input_bfd, 1523 &contents[rel->r_offset]) == 0); 1524 outrel.r_addend = relocation + rel->r_addend; 1525 } 1526 else 1527 { 1528 long indx; 1529 1530 if (bfd_is_abs_section (sec)) 1531 indx = 0; 1532 else if (sec == NULL || sec->owner == NULL) 1533 { 1534 bfd_set_error (bfd_error_bad_value); 1535 return FALSE; 1536 } 1537 else 1538 { 1539 asection *osec; 1540 1541 /* We are turning this relocation into one 1542 against a section symbol. It would be 1543 proper to subtract the symbol's value, 1544 osec->vma, from the emitted reloc addend, 1545 but ld.so expects buggy relocs. */ 1546 osec = sec->output_section; 1547 indx = elf_section_data (osec)->dynindx; 1548 if (indx == 0) 1549 { 1550 struct elf_link_hash_table *htab; 1551 htab = elf_hash_table (info); 1552 osec = htab->text_index_section; 1553 indx = elf_section_data (osec)->dynindx; 1554 } 1555 BFD_ASSERT (indx != 0); 1556 } 1557 1558 outrel.r_info = ELF32_R_INFO (indx, r_type); 1559 outrel.r_addend = relocation + rel->r_addend; 1560 } 1561 } 1562 1563 if ((input_section->flags & SEC_CODE) != 0 1564 || (ELF32_R_TYPE (outrel.r_info) != R_VAX_32 1565 && ELF32_R_TYPE (outrel.r_info) != R_VAX_RELATIVE 1566 && ELF32_R_TYPE (outrel.r_info) != R_VAX_COPY 1567 && ELF32_R_TYPE (outrel.r_info) != R_VAX_JMP_SLOT 1568 && ELF32_R_TYPE (outrel.r_info) != R_VAX_GLOB_DAT)) 1569 { 1570 if (h != NULL) 1571 _bfd_error_handler 1572 /* xgettext:c-format */ 1573 (_("%pB: warning: %s relocation against symbol `%s'" 1574 " from %pA section"), 1575 input_bfd, howto->name, h->root.root.string, 1576 input_section); 1577 else 1578 _bfd_error_handler 1579 /* xgettext:c-format */ 1580 (_("%pB: warning: %s relocation to %#" PRIx64 1581 " from %pA section"), 1582 input_bfd, howto->name, (uint64_t) outrel.r_addend, 1583 input_section); 1584 } 1585 loc = sreloc->contents; 1586 loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela); 1587 bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc); 1588 1589 /* This reloc will be computed at runtime, so there's no 1590 need to do anything now, except for R_VAX_32 1591 relocations that have been turned into 1592 R_VAX_RELATIVE. */ 1593 if (!relocate) 1594 continue; 1595 } 1596 1597 break; 1598 1599 case R_VAX_GNU_VTINHERIT: 1600 case R_VAX_GNU_VTENTRY: 1601 /* These are no-ops in the end. */ 1602 continue; 1603 1604 default: 1605 break; 1606 } 1607 1608 /* VAX PCREL relocations are from the end of relocation, not the start. 1609 So subtract the difference from the relocation amount since we can't 1610 add it to the offset. */ 1611 if (howto->pc_relative && howto->pcrel_offset) 1612 relocation -= bfd_get_reloc_size(howto); 1613 1614 r = _bfd_final_link_relocate (howto, input_bfd, input_section, 1615 contents, rel->r_offset, 1616 relocation, rel->r_addend); 1617 1618 if (r != bfd_reloc_ok) 1619 { 1620 switch (r) 1621 { 1622 default: 1623 case bfd_reloc_outofrange: 1624 abort (); 1625 case bfd_reloc_overflow: 1626 { 1627 const char *name; 1628 1629 if (h != NULL) 1630 name = NULL; 1631 else 1632 { 1633 name = bfd_elf_string_from_elf_section (input_bfd, 1634 symtab_hdr->sh_link, 1635 sym->st_name); 1636 if (name == NULL) 1637 return FALSE; 1638 if (*name == '\0') 1639 name = bfd_section_name (input_bfd, sec); 1640 } 1641 info->callbacks->reloc_overflow 1642 (info, (h ? &h->root : NULL), name, howto->name, 1643 (bfd_vma) 0, input_bfd, input_section, rel->r_offset); 1644 } 1645 break; 1646 } 1647 } 1648 } 1649 1650 return TRUE; 1651 } 1652 1653 /* Finish up dynamic symbol handling. We set the contents of various 1654 dynamic sections here. */ 1655 1656 static bfd_boolean 1657 elf_vax_finish_dynamic_symbol (bfd *output_bfd, struct bfd_link_info *info, 1658 struct elf_link_hash_entry *h, 1659 Elf_Internal_Sym *sym) 1660 { 1661 bfd *dynobj; 1662 1663 dynobj = elf_hash_table (info)->dynobj; 1664 1665 if (h->plt.offset != (bfd_vma) -1) 1666 { 1667 asection *splt; 1668 asection *sgot; 1669 asection *srela; 1670 bfd_vma plt_index; 1671 bfd_vma got_offset; 1672 bfd_vma addend; 1673 Elf_Internal_Rela rela; 1674 bfd_byte *loc; 1675 1676 /* This symbol has an entry in the procedure linkage table. Set 1677 it up. */ 1678 BFD_ASSERT (h->dynindx != -1); 1679 1680 splt = elf_hash_table (info)->splt; 1681 sgot = elf_hash_table (info)->sgotplt; 1682 srela = elf_hash_table (info)->srelplt; 1683 BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL); 1684 1685 addend = 2 * (h->plt.offset & 1); 1686 h->plt.offset &= ~1; 1687 1688 /* Get the index in the procedure linkage table which 1689 corresponds to this symbol. This is the index of this symbol 1690 in all the symbols for which we are making plt entries. The 1691 first entry in the procedure linkage table is reserved. */ 1692 plt_index = h->plt.offset / PLT_ENTRY_SIZE - 1; 1693 1694 /* Get the offset into the .got table of the entry that 1695 corresponds to this function. Each .got entry is 4 bytes. 1696 The first two are reserved. */ 1697 got_offset = (plt_index + 3) * 4; 1698 1699 /* Fill in the entry in the procedure linkage table. */ 1700 memcpy (splt->contents + h->plt.offset, elf_vax_plt_entry, 1701 PLT_ENTRY_SIZE); 1702 1703 /* The offset is relative to the first extension word. */ 1704 bfd_put_32 (output_bfd, 1705 -(h->plt.offset + 8), 1706 splt->contents + h->plt.offset + 4); 1707 1708 bfd_put_32 (output_bfd, plt_index * sizeof (Elf32_External_Rela), 1709 splt->contents + h->plt.offset + 8); 1710 1711 /* Fill in the entry in the global offset table. */ 1712 bfd_put_32 (output_bfd, 1713 (splt->output_section->vma 1714 + splt->output_offset 1715 + h->plt.offset) + addend, 1716 sgot->contents + got_offset); 1717 1718 /* Fill in the entry in the .rela.plt section. */ 1719 rela.r_offset = (sgot->output_section->vma 1720 + sgot->output_offset 1721 + got_offset); 1722 rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_JMP_SLOT); 1723 rela.r_addend = addend; 1724 loc = srela->contents + plt_index * sizeof (Elf32_External_Rela); 1725 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); 1726 1727 if (!h->def_regular) 1728 { 1729 /* Mark the symbol as undefined, rather than as defined in 1730 the .plt section. Leave the value alone. */ 1731 sym->st_shndx = SHN_UNDEF; 1732 } 1733 } 1734 1735 if (h->got.offset != (bfd_vma) -1) 1736 { 1737 asection *sgot; 1738 asection *srela; 1739 Elf_Internal_Rela rela; 1740 bfd_byte *loc; 1741 1742 /* This symbol has an entry in the global offset table. Set it 1743 up. */ 1744 sgot = elf_hash_table (info)->sgot; 1745 srela = elf_hash_table (info)->srelgot; 1746 BFD_ASSERT (sgot != NULL && srela != NULL); 1747 1748 rela.r_offset = (sgot->output_section->vma 1749 + sgot->output_offset 1750 + h->got.offset); 1751 rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_GLOB_DAT); 1752 rela.r_addend = bfd_get_signed_32 (output_bfd, 1753 sgot->contents + h->got.offset); 1754 1755 loc = srela->contents; 1756 loc += srela->reloc_count++ * sizeof (Elf32_External_Rela); 1757 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); 1758 } 1759 1760 if (h->needs_copy) 1761 { 1762 asection *s; 1763 Elf_Internal_Rela rela; 1764 bfd_byte *loc; 1765 1766 /* This symbol needs a copy reloc. Set it up. */ 1767 BFD_ASSERT (h->dynindx != -1 1768 && (h->root.type == bfd_link_hash_defined 1769 || h->root.type == bfd_link_hash_defweak)); 1770 1771 s = bfd_get_linker_section (dynobj, ".rela.bss"); 1772 BFD_ASSERT (s != NULL); 1773 1774 rela.r_offset = (h->root.u.def.value 1775 + h->root.u.def.section->output_section->vma 1776 + h->root.u.def.section->output_offset); 1777 rela.r_info = ELF32_R_INFO (h->dynindx, R_VAX_COPY); 1778 rela.r_addend = 0; 1779 loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela); 1780 bfd_elf32_swap_reloca_out (output_bfd, &rela, loc); 1781 } 1782 1783 /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */ 1784 if (h == elf_hash_table (info)->hdynamic 1785 || h == elf_hash_table (info)->hgot) 1786 sym->st_shndx = SHN_ABS; 1787 1788 return TRUE; 1789 } 1790 1791 /* Finish up the dynamic sections. */ 1792 1793 static bfd_boolean 1794 elf_vax_finish_dynamic_sections (bfd *output_bfd, struct bfd_link_info *info) 1795 { 1796 bfd *dynobj; 1797 asection *sgot; 1798 asection *sdyn; 1799 1800 dynobj = elf_hash_table (info)->dynobj; 1801 1802 sgot = elf_hash_table (info)->sgotplt; 1803 BFD_ASSERT (sgot != NULL); 1804 sdyn = bfd_get_linker_section (dynobj, ".dynamic"); 1805 1806 if (elf_hash_table (info)->dynamic_sections_created) 1807 { 1808 asection *splt; 1809 Elf32_External_Dyn *dyncon, *dynconend; 1810 1811 splt = elf_hash_table (info)->splt; 1812 BFD_ASSERT (splt != NULL && sdyn != NULL); 1813 1814 dyncon = (Elf32_External_Dyn *) sdyn->contents; 1815 dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size); 1816 for (; dyncon < dynconend; dyncon++) 1817 { 1818 Elf_Internal_Dyn dyn; 1819 asection *s; 1820 1821 bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn); 1822 1823 switch (dyn.d_tag) 1824 { 1825 default: 1826 break; 1827 1828 case DT_PLTGOT: 1829 s = elf_hash_table (info)->sgotplt; 1830 goto get_vma; 1831 case DT_JMPREL: 1832 s = elf_hash_table (info)->srelplt; 1833 get_vma: 1834 dyn.d_un.d_ptr = s->output_section->vma + s->output_offset; 1835 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); 1836 break; 1837 1838 case DT_PLTRELSZ: 1839 s = elf_hash_table (info)->srelplt; 1840 dyn.d_un.d_val = s->size; 1841 bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon); 1842 break; 1843 } 1844 } 1845 1846 /* Fill in the first entry in the procedure linkage table. */ 1847 if (splt->size > 0) 1848 { 1849 memcpy (splt->contents, elf_vax_plt0_entry, PLT_ENTRY_SIZE); 1850 bfd_put_32 (output_bfd, 1851 (sgot->output_section->vma 1852 + sgot->output_offset + 4 1853 - (splt->output_section->vma + 6)), 1854 splt->contents + 2); 1855 bfd_put_32 (output_bfd, 1856 (sgot->output_section->vma 1857 + sgot->output_offset + 8 1858 - (splt->output_section->vma + 12)), 1859 splt->contents + 8); 1860 elf_section_data (splt->output_section)->this_hdr.sh_entsize 1861 = PLT_ENTRY_SIZE; 1862 } 1863 } 1864 1865 /* Fill in the first three entries in the global offset table. */ 1866 if (sgot->size > 0) 1867 { 1868 if (sdyn == NULL) 1869 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents); 1870 else 1871 bfd_put_32 (output_bfd, 1872 sdyn->output_section->vma + sdyn->output_offset, 1873 sgot->contents); 1874 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4); 1875 bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8); 1876 } 1877 1878 if (elf_section_data (sgot->output_section) != NULL) 1879 elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4; 1880 1881 return TRUE; 1882 } 1883 1884 static enum elf_reloc_type_class 1885 elf_vax_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED, 1886 const asection *rel_sec ATTRIBUTE_UNUSED, 1887 const Elf_Internal_Rela *rela) 1888 { 1889 switch ((int) ELF32_R_TYPE (rela->r_info)) 1890 { 1891 case R_VAX_RELATIVE: 1892 return reloc_class_relative; 1893 case R_VAX_JMP_SLOT: 1894 return reloc_class_plt; 1895 case R_VAX_COPY: 1896 return reloc_class_copy; 1897 default: 1898 return reloc_class_normal; 1899 } 1900 } 1901 1902 static bfd_vma 1903 elf_vax_plt_sym_val (bfd_vma i, const asection *plt, 1904 const arelent *rel ATTRIBUTE_UNUSED) 1905 { 1906 return plt->vma + (i + 1) * PLT_ENTRY_SIZE; 1907 } 1908 1909 #define TARGET_LITTLE_SYM vax_elf32_vec 1910 #define TARGET_LITTLE_NAME "elf32-vax" 1911 #define ELF_MACHINE_CODE EM_VAX 1912 #define ELF_MAXPAGESIZE 0x1000 1913 1914 #define elf_backend_create_dynamic_sections \ 1915 _bfd_elf_create_dynamic_sections 1916 #define bfd_elf32_bfd_link_hash_table_create \ 1917 elf_vax_link_hash_table_create 1918 #define bfd_elf32_bfd_final_link bfd_elf_gc_common_final_link 1919 1920 #define elf_backend_check_relocs elf_vax_check_relocs 1921 #define elf_backend_adjust_dynamic_symbol \ 1922 elf_vax_adjust_dynamic_symbol 1923 #define elf_backend_always_size_sections \ 1924 elf_vax_always_size_sections 1925 #define elf_backend_size_dynamic_sections \ 1926 elf_vax_size_dynamic_sections 1927 #define elf_backend_init_index_section _bfd_elf_init_1_index_section 1928 #define elf_backend_relocate_section elf_vax_relocate_section 1929 #define elf_backend_finish_dynamic_symbol \ 1930 elf_vax_finish_dynamic_symbol 1931 #define elf_backend_finish_dynamic_sections \ 1932 elf_vax_finish_dynamic_sections 1933 #define elf_backend_reloc_type_class elf_vax_reloc_type_class 1934 #define elf_backend_gc_mark_hook elf_vax_gc_mark_hook 1935 #define elf_backend_plt_sym_val elf_vax_plt_sym_val 1936 #define bfd_elf32_bfd_merge_private_bfd_data \ 1937 elf32_vax_merge_private_bfd_data 1938 #define bfd_elf32_bfd_set_private_flags \ 1939 elf32_vax_set_private_flags 1940 #define bfd_elf32_bfd_print_private_bfd_data \ 1941 elf32_vax_print_private_bfd_data 1942 1943 #define elf_backend_can_gc_sections 1 1944 #define elf_backend_want_got_plt 1 1945 #define elf_backend_plt_readonly 1 1946 #define elf_backend_want_plt_sym 0 1947 #define elf_backend_got_header_size 16 1948 #define elf_backend_rela_normal 1 1949 #define elf_backend_dtrel_excludes_plt 1 1950 1951 #include "elf32-target.h" 1952
Indexes created Tue Sep 15 00:24:42 UTC 2026