1 /* rescoff.c -- read and write resources in Windows COFF files. 2 Copyright 1997, 1998, 1999, 2000, 2003, 2007, 2008 3 Free Software Foundation, Inc. 4 Written by Ian Lance Taylor, Cygnus Support. 5 Rewritten by Kai Tietz, Onevision. 6 7 This file is part of GNU Binutils. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 22 02110-1301, USA. */ 23 24 /* This file contains function that read and write Windows resources 25 in COFF files. */ 26 27 #include "sysdep.h" 28 #include "bfd.h" 29 #include "bucomm.h" 30 #include "libiberty.h" 31 #include "windres.h" 32 33 #include <assert.h> 34 35 /* In order to use the address of a resource data entry, we need to 36 get the image base of the file. Right now we extract it from 37 internal BFD information. FIXME. */ 38 39 #include "coff/internal.h" 40 #include "libcoff.h" 41 42 /* Information we extract from the file. */ 43 44 struct coff_file_info 45 { 46 /* File name. */ 47 const char *filename; 48 /* Data read from the file. */ 49 const bfd_byte *data; 50 /* End of data read from file. */ 51 const bfd_byte *data_end; 52 /* Address of the resource section minus the image base of the file. */ 53 rc_uint_type secaddr; 54 }; 55 56 /* A resource directory table in a COFF file. */ 57 58 struct __attribute__ ((__packed__)) extern_res_directory 59 { 60 /* Characteristics. */ 61 bfd_byte characteristics[4]; 62 /* Time stamp. */ 63 bfd_byte time[4]; 64 /* Major version number. */ 65 bfd_byte major[2]; 66 /* Minor version number. */ 67 bfd_byte minor[2]; 68 /* Number of named directory entries. */ 69 bfd_byte name_count[2]; 70 /* Number of directory entries with IDs. */ 71 bfd_byte id_count[2]; 72 }; 73 74 /* A resource directory entry in a COFF file. */ 75 76 struct extern_res_entry 77 { 78 /* Name or ID. */ 79 bfd_byte name[4]; 80 /* Address of resource entry or subdirectory. */ 81 bfd_byte rva[4]; 82 }; 83 84 /* A resource data entry in a COFF file. */ 85 86 struct extern_res_data 87 { 88 /* Address of resource data. This is apparently a file relative 89 address, rather than a section offset. */ 90 bfd_byte rva[4]; 91 /* Size of resource data. */ 92 bfd_byte size[4]; 93 /* Code page. */ 94 bfd_byte codepage[4]; 95 /* Reserved. */ 96 bfd_byte reserved[4]; 97 }; 98 99 /* Local functions. */ 100 101 static void overrun (const struct coff_file_info *, const char *); 102 static rc_res_directory *read_coff_res_dir (windres_bfd *, const bfd_byte *, 103 const struct coff_file_info *, 104 const rc_res_id *, int); 105 static rc_res_resource *read_coff_data_entry (windres_bfd *, const bfd_byte *, 106 const struct coff_file_info *, 107 const rc_res_id *); 108 109 /* Read the resources in a COFF file. */ 110 111 rc_res_directory * 112 read_coff_rsrc (const char *filename, const char *target) 113 { 114 rc_res_directory *ret; 115 bfd *abfd; 116 windres_bfd wrbfd; 117 char **matching; 118 asection *sec; 119 bfd_size_type size; 120 bfd_byte *data; 121 struct coff_file_info finfo; 122 123 if (filename == NULL) 124 fatal (_("filename required for COFF input")); 125 126 abfd = bfd_openr (filename, target); 127 if (abfd == NULL) 128 bfd_fatal (filename); 129 130 if (! bfd_check_format_matches (abfd, bfd_object, &matching)) 131 { 132 bfd_nonfatal (bfd_get_filename (abfd)); 133 if (bfd_get_error () == bfd_error_file_ambiguously_recognized) 134 list_matching_formats (matching); 135 xexit (1); 136 } 137 138 sec = bfd_get_section_by_name (abfd, ".rsrc"); 139 if (sec == NULL) 140 { 141 fatal (_("%s: no resource section"), filename); 142 } 143 144 set_windres_bfd (&wrbfd, abfd, sec, WR_KIND_BFD); 145 size = bfd_section_size (abfd, sec); 146 data = (bfd_byte *) res_alloc (size); 147 148 get_windres_bfd_content (&wrbfd, data, 0, size); 149 150 finfo.filename = filename; 151 finfo.data = data; 152 finfo.data_end = data + size; 153 finfo.secaddr = (bfd_get_section_vma (abfd, sec) 154 - pe_data (abfd)->pe_opthdr.ImageBase); 155 156 /* Now just read in the top level resource directory. Note that we 157 don't free data, since we create resource entries that point into 158 it. If we ever want to free up the resource information we read, 159 this will have to be cleaned up. */ 160 161 ret = read_coff_res_dir (&wrbfd, data, &finfo, (const rc_res_id *) NULL, 0); 162 163 bfd_close (abfd); 164 165 return ret; 166 } 167 168 /* Give an error if we are out of bounds. */ 169 170 static void 171 overrun (const struct coff_file_info *finfo, const char *msg) 172 { 173 fatal (_("%s: %s: address out of bounds"), finfo->filename, msg); 174 } 175 176 /* Read a resource directory. */ 177 178 static rc_res_directory * 179 read_coff_res_dir (windres_bfd *wrbfd, const bfd_byte *data, 180 const struct coff_file_info *finfo, 181 const rc_res_id *type, int level) 182 { 183 const struct extern_res_directory *erd; 184 rc_res_directory *rd; 185 int name_count, id_count, i; 186 rc_res_entry **pp; 187 const struct extern_res_entry *ere; 188 189 if ((size_t) (finfo->data_end - data) < sizeof (struct extern_res_directory)) 190 overrun (finfo, _("directory")); 191 192 erd = (const struct extern_res_directory *) data; 193 194 rd = (rc_res_directory *) res_alloc (sizeof (rc_res_directory)); 195 rd->characteristics = windres_get_32 (wrbfd, erd->characteristics, 4); 196 rd->time = windres_get_32 (wrbfd, erd->time, 4); 197 rd->major = windres_get_16 (wrbfd, erd->major, 2); 198 rd->minor = windres_get_16 (wrbfd, erd->minor, 2); 199 rd->entries = NULL; 200 201 name_count = windres_get_16 (wrbfd, erd->name_count, 2); 202 id_count = windres_get_16 (wrbfd, erd->id_count, 2); 203 204 pp = &rd->entries; 205 206 /* The resource directory entries immediately follow the directory 207 table. */ 208 ere = (const struct extern_res_entry *) (erd + 1); 209 210 for (i = 0; i < name_count; i++, ere++) 211 { 212 rc_uint_type name, rva; 213 rc_res_entry *re; 214 const bfd_byte *ers; 215 int length, j; 216 217 if ((const bfd_byte *) ere >= finfo->data_end) 218 overrun (finfo, _("named directory entry")); 219 220 name = windres_get_32 (wrbfd, ere->name, 4); 221 rva = windres_get_32 (wrbfd, ere->rva, 4); 222 223 /* For some reason the high bit in NAME is set. */ 224 name &=~ 0x80000000; 225 226 if (name > (rc_uint_type) (finfo->data_end - finfo->data)) 227 overrun (finfo, _("directory entry name")); 228 229 ers = finfo->data + name; 230 231 re = (rc_res_entry *) res_alloc (sizeof *re); 232 re->next = NULL; 233 re->id.named = 1; 234 length = windres_get_16 (wrbfd, ers, 2); 235 re->id.u.n.length = length; 236 re->id.u.n.name = (unichar *) res_alloc (length * sizeof (unichar)); 237 for (j = 0; j < length; j++) 238 re->id.u.n.name[j] = windres_get_16 (wrbfd, ers + j * 2 + 2, 2); 239 240 if (level == 0) 241 type = &re->id; 242 243 if ((rva & 0x80000000) != 0) 244 { 245 rva &=~ 0x80000000; 246 if (rva >= (rc_uint_type) (finfo->data_end - finfo->data)) 247 overrun (finfo, _("named subdirectory")); 248 re->subdir = 1; 249 re->u.dir = read_coff_res_dir (wrbfd, finfo->data + rva, finfo, type, 250 level + 1); 251 } 252 else 253 { 254 if (rva >= (rc_uint_type) (finfo->data_end - finfo->data)) 255 overrun (finfo, _("named resource")); 256 re->subdir = 0; 257 re->u.res = read_coff_data_entry (wrbfd, finfo->data + rva, finfo, type); 258 } 259 260 *pp = re; 261 pp = &re->next; 262 } 263 264 for (i = 0; i < id_count; i++, ere++) 265 { 266 unsigned long name, rva; 267 rc_res_entry *re; 268 269 if ((const bfd_byte *) ere >= finfo->data_end) 270 overrun (finfo, _("ID directory entry")); 271 272 name = windres_get_32 (wrbfd, ere->name, 4); 273 rva = windres_get_32 (wrbfd, ere->rva, 4); 274 275 re = (rc_res_entry *) res_alloc (sizeof *re); 276 re->next = NULL; 277 re->id.named = 0; 278 re->id.u.id = name; 279 280 if (level == 0) 281 type = &re->id; 282 283 if ((rva & 0x80000000) != 0) 284 { 285 rva &=~ 0x80000000; 286 if (rva >= (rc_uint_type) (finfo->data_end - finfo->data)) 287 overrun (finfo, _("ID subdirectory")); 288 re->subdir = 1; 289 re->u.dir = read_coff_res_dir (wrbfd, finfo->data + rva, finfo, type, 290 level + 1); 291 } 292 else 293 { 294 if (rva >= (rc_uint_type) (finfo->data_end - finfo->data)) 295 overrun (finfo, _("ID resource")); 296 re->subdir = 0; 297 re->u.res = read_coff_data_entry (wrbfd, finfo->data + rva, finfo, type); 298 } 299 300 *pp = re; 301 pp = &re->next; 302 } 303 304 return rd; 305 } 306 307 /* Read a resource data entry. */ 308 309 static rc_res_resource * 310 read_coff_data_entry (windres_bfd *wrbfd, const bfd_byte *data, 311 const struct coff_file_info *finfo, 312 const rc_res_id *type) 313 { 314 const struct extern_res_data *erd; 315 rc_res_resource *r; 316 rc_uint_type size, rva; 317 const bfd_byte *resdata; 318 319 if (type == NULL) 320 fatal (_("resource type unknown")); 321 322 if ((size_t) (finfo->data_end - data) < sizeof (struct extern_res_data)) 323 overrun (finfo, _("data entry")); 324 325 erd = (const struct extern_res_data *) data; 326 327 size = windres_get_32 (wrbfd, erd->size, 4); 328 rva = windres_get_32 (wrbfd, erd->rva, 4); 329 if (rva < finfo->secaddr 330 || rva - finfo->secaddr >= (rc_uint_type) (finfo->data_end - finfo->data)) 331 overrun (finfo, _("resource data")); 332 333 resdata = finfo->data + (rva - finfo->secaddr); 334 335 if (size > (rc_uint_type) (finfo->data_end - resdata)) 336 overrun (finfo, _("resource data size")); 337 338 r = bin_to_res (wrbfd, *type, resdata, size); 339 340 memset (&r->res_info, 0, sizeof (rc_res_res_info)); 341 r->coff_info.codepage = windres_get_32 (wrbfd, erd->codepage, 4); 342 r->coff_info.reserved = windres_get_32 (wrbfd, erd->reserved, 4); 343 344 return r; 345 } 346 347 /* This structure is used to build a list of bindata structures. */ 348 349 struct bindata_build 350 { 351 /* The data. */ 352 bindata *d; 353 /* The last structure we have added to the list. */ 354 bindata *last; 355 /* The size of the list as a whole. */ 356 unsigned long length; 357 }; 358 359 struct coff_res_data_build 360 { 361 /* The data. */ 362 coff_res_data *d; 363 /* The last structure we have added to the list. */ 364 coff_res_data *last; 365 /* The size of the list as a whole. */ 366 unsigned long length; 367 }; 368 369 /* This structure keeps track of information as we build the directory 370 tree. */ 371 372 struct coff_write_info 373 { 374 /* These fields are based on the BFD. */ 375 /* The BFD itself. */ 376 windres_bfd *wrbfd; 377 /* Pointer to section symbol used to build RVA relocs. */ 378 asymbol **sympp; 379 380 /* These fields are computed initially, and then not changed. */ 381 /* Length of directory tables and entries. */ 382 unsigned long dirsize; 383 /* Length of directory entry strings. */ 384 unsigned long dirstrsize; 385 /* Length of resource data entries. */ 386 unsigned long dataentsize; 387 388 /* These fields are updated as we add data. */ 389 /* Directory tables and entries. */ 390 struct bindata_build dirs; 391 /* Directory entry strings. */ 392 struct bindata_build dirstrs; 393 /* Resource data entries. */ 394 struct bindata_build dataents; 395 /* Actual resource data. */ 396 struct coff_res_data_build resources; 397 /* Relocations. */ 398 arelent **relocs; 399 /* Number of relocations. */ 400 unsigned int reloc_count; 401 }; 402 403 static void coff_bin_sizes (const rc_res_directory *, struct coff_write_info *); 404 static bfd_byte *coff_alloc (struct bindata_build *, rc_uint_type); 405 static void coff_to_bin 406 (const rc_res_directory *, struct coff_write_info *); 407 static void coff_res_to_bin 408 (const rc_res_resource *, struct coff_write_info *); 409 410 /* Write resources to a COFF file. RESOURCES should already be 411 sorted. 412 413 Right now we always create a new file. Someday we should also 414 offer the ability to merge resources into an existing file. This 415 would require doing the basic work of objcopy, just modifying or 416 adding the .rsrc section. */ 417 418 void 419 write_coff_file (const char *filename, const char *target, 420 const rc_res_directory *resources) 421 { 422 bfd *abfd; 423 asection *sec; 424 struct coff_write_info cwi; 425 windres_bfd wrbfd; 426 bindata *d; 427 coff_res_data *rd; 428 unsigned long length, offset; 429 430 if (filename == NULL) 431 fatal (_("filename required for COFF output")); 432 433 abfd = bfd_openw (filename, target); 434 if (abfd == NULL) 435 bfd_fatal (filename); 436 437 if (! bfd_set_format (abfd, bfd_object)) 438 bfd_fatal ("bfd_set_format"); 439 440 #if defined DLLTOOL_SH 441 if (! bfd_set_arch_mach (abfd, bfd_arch_sh, 0)) 442 bfd_fatal ("bfd_set_arch_mach(sh)"); 443 #elif defined DLLTOOL_MIPS 444 if (! bfd_set_arch_mach (abfd, bfd_arch_mips, 0)) 445 bfd_fatal ("bfd_set_arch_mach(mips)"); 446 #elif defined DLLTOOL_ARM 447 if (! bfd_set_arch_mach (abfd, bfd_arch_arm, 0)) 448 bfd_fatal ("bfd_set_arch_mach(arm)"); 449 #else 450 /* FIXME: This is obviously i386 specific. */ 451 if (! bfd_set_arch_mach (abfd, bfd_arch_i386, 0)) 452 bfd_fatal ("bfd_set_arch_mach(i386)"); 453 #endif 454 455 if (! bfd_set_file_flags (abfd, HAS_SYMS | HAS_RELOC)) 456 bfd_fatal ("bfd_set_file_flags"); 457 458 sec = bfd_make_section_with_flags (abfd, ".rsrc", 459 (SEC_HAS_CONTENTS | SEC_ALLOC 460 | SEC_LOAD | SEC_DATA)); 461 if (sec == NULL) 462 bfd_fatal ("bfd_make_section"); 463 464 if (! bfd_set_symtab (abfd, sec->symbol_ptr_ptr, 1)) 465 bfd_fatal ("bfd_set_symtab"); 466 467 /* Requiring this is probably a bug in BFD. */ 468 sec->output_section = sec; 469 470 /* The order of data in the .rsrc section is 471 resource directory tables and entries 472 resource directory strings 473 resource data entries 474 actual resource data 475 476 We build these different types of data in different lists. */ 477 478 set_windres_bfd (&wrbfd, abfd, sec, WR_KIND_BFD); 479 480 cwi.wrbfd = &wrbfd; 481 cwi.sympp = sec->symbol_ptr_ptr; 482 cwi.dirsize = 0; 483 cwi.dirstrsize = 0; 484 cwi.dataentsize = 0; 485 cwi.dirs.d = NULL; 486 cwi.dirs.last = NULL; 487 cwi.dirs.length = 0; 488 cwi.dirstrs.d = NULL; 489 cwi.dirstrs.last = NULL; 490 cwi.dirstrs.length = 0; 491 cwi.dataents.d = NULL; 492 cwi.dataents.last = NULL; 493 cwi.dataents.length = 0; 494 cwi.resources.d = NULL; 495 cwi.resources.last = NULL; 496 cwi.resources.length = 0; 497 cwi.relocs = NULL; 498 cwi.reloc_count = 0; 499 500 /* Work out the sizes of the resource directory entries, so that we 501 know the various offsets we will need. */ 502 coff_bin_sizes (resources, &cwi); 503 504 /* Force the directory strings to be 32 bit aligned. Every other 505 structure is 32 bit aligned anyhow. */ 506 cwi.dirstrsize = (cwi.dirstrsize + 3) &~ 3; 507 508 /* Actually convert the resources to binary. */ 509 coff_to_bin (resources, &cwi); 510 511 /* Add another 2 bytes to the directory strings if needed for 512 alignment. */ 513 if ((cwi.dirstrs.length & 3) != 0) 514 { 515 bfd_byte *ex; 516 517 ex = coff_alloc (&cwi.dirstrs, 2); 518 ex[0] = 0; 519 ex[1] = 0; 520 } 521 522 /* Make sure that the data we built came out to the same size as we 523 calculated initially. */ 524 assert (cwi.dirs.length == cwi.dirsize); 525 assert (cwi.dirstrs.length == cwi.dirstrsize); 526 assert (cwi.dataents.length == cwi.dataentsize); 527 528 length = (cwi.dirsize 529 + cwi.dirstrsize 530 + cwi.dataentsize 531 + cwi.resources.length); 532 533 if (! bfd_set_section_size (abfd, sec, length)) 534 bfd_fatal ("bfd_set_section_size"); 535 536 bfd_set_reloc (abfd, sec, cwi.relocs, cwi.reloc_count); 537 538 offset = 0; 539 for (d = cwi.dirs.d; d != NULL; d = d->next) 540 { 541 if (! bfd_set_section_contents (abfd, sec, d->data, offset, d->length)) 542 bfd_fatal ("bfd_set_section_contents"); 543 offset += d->length; 544 } 545 for (d = cwi.dirstrs.d; d != NULL; d = d->next) 546 { 547 set_windres_bfd_content (&wrbfd, d->data, offset, d->length); 548 offset += d->length; 549 } 550 for (d = cwi.dataents.d; d != NULL; d = d->next) 551 { 552 set_windres_bfd_content (&wrbfd, d->data, offset, d->length); 553 offset += d->length; 554 } 555 for (rd = cwi.resources.d; rd != NULL; rd = rd->next) 556 { 557 res_to_bin (cwi.wrbfd, (rc_uint_type) offset, rd->res); 558 offset += rd->length; 559 } 560 561 assert (offset == length); 562 563 if (! bfd_close (abfd)) 564 bfd_fatal ("bfd_close"); 565 566 /* We allocated the relocs array using malloc. */ 567 free (cwi.relocs); 568 } 569 570 /* Work out the sizes of the various fixed size resource directory 571 entries. This updates fields in CWI. */ 572 573 static void 574 coff_bin_sizes (const rc_res_directory *resdir, 575 struct coff_write_info *cwi) 576 { 577 const rc_res_entry *re; 578 579 cwi->dirsize += sizeof (struct extern_res_directory); 580 581 for (re = resdir->entries; re != NULL; re = re->next) 582 { 583 cwi->dirsize += sizeof (struct extern_res_entry); 584 585 if (re->id.named) 586 cwi->dirstrsize += re->id.u.n.length * 2 + 2; 587 588 if (re->subdir) 589 coff_bin_sizes (re->u.dir, cwi); 590 else 591 cwi->dataentsize += sizeof (struct extern_res_data); 592 } 593 } 594 595 /* Allocate data for a particular list. */ 596 597 static bfd_byte * 598 coff_alloc (struct bindata_build *bb, rc_uint_type size) 599 { 600 bindata *d; 601 602 d = (bindata *) reswr_alloc (sizeof (bindata)); 603 604 d->next = NULL; 605 d->data = (bfd_byte *) reswr_alloc (size); 606 d->length = size; 607 608 if (bb->d == NULL) 609 bb->d = d; 610 else 611 bb->last->next = d; 612 bb->last = d; 613 bb->length += size; 614 615 return d->data; 616 } 617 618 /* Convert the resource directory RESDIR to binary. */ 619 620 static void 621 coff_to_bin (const rc_res_directory *resdir, struct coff_write_info *cwi) 622 { 623 struct extern_res_directory *erd; 624 int ci, cn; 625 const rc_res_entry *e; 626 struct extern_res_entry *ere; 627 628 /* Write out the directory table. */ 629 630 erd = ((struct extern_res_directory *) 631 coff_alloc (&cwi->dirs, sizeof (*erd))); 632 633 windres_put_32 (cwi->wrbfd, erd->characteristics, resdir->characteristics); 634 windres_put_32 (cwi->wrbfd, erd->time, resdir->time); 635 windres_put_16 (cwi->wrbfd, erd->major, resdir->major); 636 windres_put_16 (cwi->wrbfd, erd->minor, resdir->minor); 637 638 ci = 0; 639 cn = 0; 640 for (e = resdir->entries; e != NULL; e = e->next) 641 { 642 if (e->id.named) 643 ++cn; 644 else 645 ++ci; 646 } 647 648 windres_put_16 (cwi->wrbfd, erd->name_count, cn); 649 windres_put_16 (cwi->wrbfd, erd->id_count, ci); 650 651 /* Write out the data entries. Note that we allocate space for all 652 the entries before writing them out. That permits a recursive 653 call to work correctly when writing out subdirectories. */ 654 655 ere = ((struct extern_res_entry *) 656 coff_alloc (&cwi->dirs, (ci + cn) * sizeof (*ere))); 657 for (e = resdir->entries; e != NULL; e = e->next, ere++) 658 { 659 if (! e->id.named) 660 windres_put_32 (cwi->wrbfd, ere->name, e->id.u.id); 661 else 662 { 663 bfd_byte *str; 664 rc_uint_type i; 665 666 /* For some reason existing files seem to have the high bit 667 set on the address of the name, although that is not 668 documented. */ 669 windres_put_32 (cwi->wrbfd, ere->name, 670 0x80000000 | (cwi->dirsize + cwi->dirstrs.length)); 671 672 str = coff_alloc (&cwi->dirstrs, e->id.u.n.length * 2 + 2); 673 windres_put_16 (cwi->wrbfd, str, e->id.u.n.length); 674 for (i = 0; i < e->id.u.n.length; i++) 675 windres_put_16 (cwi->wrbfd, str + (i + 1) * sizeof (unichar), e->id.u.n.name[i]); 676 } 677 678 if (e->subdir) 679 { 680 windres_put_32 (cwi->wrbfd, ere->rva, 0x80000000 | cwi->dirs.length); 681 coff_to_bin (e->u.dir, cwi); 682 } 683 else 684 { 685 windres_put_32 (cwi->wrbfd, ere->rva, 686 cwi->dirsize + cwi->dirstrsize + cwi->dataents.length); 687 688 coff_res_to_bin (e->u.res, cwi); 689 } 690 } 691 } 692 693 /* Convert the resource RES to binary. */ 694 695 static void 696 coff_res_to_bin (const rc_res_resource *res, struct coff_write_info *cwi) 697 { 698 arelent *r; 699 struct extern_res_data *erd; 700 coff_res_data *d; 701 702 /* For some reason, although every other address is a section 703 offset, the address of the resource data itself is an RVA. That 704 means that we need to generate a relocation for it. We allocate 705 the relocs array using malloc so that we can use realloc. FIXME: 706 This relocation handling is correct for the i386, but probably 707 not for any other target. */ 708 709 r = (arelent *) reswr_alloc (sizeof (arelent)); 710 r->sym_ptr_ptr = cwi->sympp; 711 r->address = cwi->dirsize + cwi->dirstrsize + cwi->dataents.length; 712 r->addend = 0; 713 r->howto = bfd_reloc_type_lookup (WR_BFD (cwi->wrbfd), BFD_RELOC_RVA); 714 if (r->howto == NULL) 715 bfd_fatal (_("can't get BFD_RELOC_RVA relocation type")); 716 717 cwi->relocs = xrealloc (cwi->relocs, 718 (cwi->reloc_count + 2) * sizeof (arelent *)); 719 cwi->relocs[cwi->reloc_count] = r; 720 cwi->relocs[cwi->reloc_count + 1] = NULL; 721 ++cwi->reloc_count; 722 723 erd = (struct extern_res_data *) coff_alloc (&cwi->dataents, sizeof (*erd)); 724 725 windres_put_32 (cwi->wrbfd, erd->rva, 726 (cwi->dirsize 727 + cwi->dirstrsize 728 + cwi->dataentsize 729 + cwi->resources.length)); 730 windres_put_32 (cwi->wrbfd, erd->codepage, res->coff_info.codepage); 731 windres_put_32 (cwi->wrbfd, erd->reserved, res->coff_info.reserved); 732 733 d = (coff_res_data *) reswr_alloc (sizeof (coff_res_data)); 734 d->length = res_to_bin (NULL, (rc_uint_type) 0, res); 735 d->res = res; 736 d->next = NULL; 737 738 if (cwi->resources.d == NULL) 739 cwi->resources.d = d; 740 else 741 cwi->resources.last->next = d; 742 743 cwi->resources.last = d; 744 cwi->resources.length += (d->length + 3) & ~3; 745 746 windres_put_32 (cwi->wrbfd, erd->size, d->length); 747 748 /* Force the next resource to have 32 bit alignment. */ 749 d->length = (d->length + 3) & ~3; 750 } 751