1/* BFD back-end for VERSAdos-E objects. 2 Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004 3 Free Software Foundation, Inc. 4 Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>. 5 6 Versados is a Motorola trademark. 7 8 This file is part of BFD, the Binary File Descriptor library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 23 24/* 25 SUBSECTION 26 VERSAdos-E relocatable object file format 27 28 DESCRIPTION 29 30 This module supports reading of VERSAdos relocatable 31 object files. 32 33 A VERSAdos file looks like contains 34 35 o Identification Record 36 o External Symbol Definition Record 37 o Object Text Record 38 o End Record 39 40 */ 41 42#include "bfd.h" 43#include "sysdep.h" 44#include "libbfd.h" 45#include "libiberty.h" 46 47static bfd_boolean versados_mkobject PARAMS ((bfd *)); 48static bfd_boolean versados_scan PARAMS ((bfd *)); 49static const bfd_target *versados_object_p PARAMS ((bfd *)); 50static asymbol *versados_new_symbol 51 PARAMS ((bfd *, int, const char *, bfd_vma, asection *)); 52static char *new_symbol_string PARAMS ((bfd *, const char *)); 53static const bfd_target *versados_object_p PARAMS ((bfd *)); 54static bfd_boolean versados_pass_2 PARAMS ((bfd *)); 55static bfd_boolean versados_get_section_contents 56 PARAMS ((bfd *, asection *, void *, file_ptr, bfd_size_type)); 57static bfd_boolean versados_set_section_contents 58 PARAMS ((bfd *, sec_ptr, const void *, file_ptr, bfd_size_type)); 59static int versados_sizeof_headers PARAMS ((bfd *, bfd_boolean)); 60static long int versados_get_symtab_upper_bound PARAMS ((bfd *)); 61static long int versados_canonicalize_symtab PARAMS ((bfd *, asymbol **)); 62static void versados_get_symbol_info 63 PARAMS ((bfd *, asymbol *, symbol_info *)); 64static void versados_print_symbol 65 PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); 66static long versados_get_reloc_upper_bound 67 PARAMS ((bfd *, sec_ptr)); 68static long versados_canonicalize_reloc 69 PARAMS ((bfd *, sec_ptr, arelent **, asymbol **)); 70 71#define VHEADER '1' 72#define VESTDEF '2' 73#define VOTR '3' 74#define VEND '4' 75 76#define ES_BASE 17 /* first symbol has esdid 17 */ 77 78/* Per file target dependent information */ 79 80/* one for each section */ 81struct esdid 82 { 83 asection *section; /* ptr to bfd version */ 84 unsigned char *contents; /* used to build image */ 85 int pc; 86 int relocs; /* reloc count, valid end of pass 1 */ 87 int donerel; /* have relocs been translated */ 88 }; 89 90typedef struct versados_data_struct 91 { 92 int es_done; /* count of symbol index, starts at ES_BASE */ 93 asymbol *symbols; /* pointer to local symbols */ 94 char *strings; /* strings of all the above */ 95 int stringlen; /* len of string table (valid end of pass1) */ 96 int nsecsyms; /* number of sections */ 97 98 int ndefs; /* number of exported symbols (they dont get esdids) */ 99 int nrefs; /* number of imported symbols (valid end of pass1) */ 100 101 int ref_idx; /* current processed value of the above */ 102 int def_idx; 103 104 int pass_2_done; 105 106 struct esdid e[16]; /* per section info */ 107 int alert; /* to see if we're trampling */ 108 asymbol *rest[256 - 16]; /* per symbol info */ 109 110 } 111tdata_type; 112 113#define VDATA(abfd) (abfd->tdata.versados_data) 114#define EDATA(abfd, n) (abfd->tdata.versados_data->e[n]) 115#define RDATA(abfd, n) (abfd->tdata.versados_data->rest[n]) 116 117struct ext_otr 118 { 119 unsigned char size; 120 char type; 121 unsigned char map[4]; 122 unsigned char esdid; 123 unsigned char data[200]; 124 }; 125 126struct ext_vheader 127 { 128 unsigned char size; 129 char type; /* record type */ 130 char name[10]; /* module name */ 131 char rev; /* module rev number */ 132 char lang; 133 char vol[4]; 134 char user[2]; 135 char cat[8]; 136 char fname[8]; 137 char ext[2]; 138 char time[3]; 139 char date[3]; 140 char rest[211]; 141 }; 142 143struct ext_esd 144 { 145 unsigned char size; 146 char type; 147 unsigned char esd_entries[1]; 148 }; 149#define ESD_ABS 0 150#define ESD_COMMON 1 151#define ESD_STD_REL_SEC 2 152#define ESD_SHRT_REL_SEC 3 153#define ESD_XDEF_IN_SEC 4 154#define ESD_XREF_SYM 7 155#define ESD_XREF_SEC 6 156#define ESD_XDEF_IN_ABS 5 157union ext_any 158 { 159 unsigned char size; 160 struct ext_vheader header; 161 struct ext_esd esd; 162 struct ext_otr otr; 163 }; 164 165static int get_record PARAMS ((bfd *, union ext_any *)); 166static int get_4 PARAMS ((unsigned char **)); 167static void get_10 PARAMS ((unsigned char **, char *)); 168static void process_esd PARAMS ((bfd *, struct ext_esd *, int)); 169static int get_offset PARAMS ((int, unsigned char *)); 170static void process_otr PARAMS ((bfd *, struct ext_otr *, int)); 171 172/* Initialize by filling in the hex conversion array. */ 173 174/* Set up the tdata information. */ 175 176static bfd_boolean 177versados_mkobject (abfd) 178 bfd *abfd; 179{ 180 if (abfd->tdata.versados_data == NULL) 181 { 182 bfd_size_type amt = sizeof (tdata_type); 183 tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, amt); 184 if (tdata == NULL) 185 return FALSE; 186 abfd->tdata.versados_data = tdata; 187 tdata->symbols = NULL; 188 VDATA (abfd)->alert = 0x12345678; 189 } 190 191 bfd_default_set_arch_mach (abfd, bfd_arch_m68k, 0); 192 return TRUE; 193} 194 195/* Report a problem in an S record file. FIXME: This probably should 196 not call fprintf, but we really do need some mechanism for printing 197 error messages. */ 198 199static asymbol * 200versados_new_symbol (abfd, snum, name, val, sec) 201 bfd *abfd; 202 int snum; 203 const char *name; 204 bfd_vma val; 205 asection *sec; 206{ 207 asymbol *n = VDATA (abfd)->symbols + snum; 208 n->name = name; 209 n->value = val; 210 n->section = sec; 211 n->the_bfd = abfd; 212 n->flags = 0; 213 return n; 214} 215 216static int 217get_record (abfd, ptr) 218 bfd *abfd; 219 union ext_any *ptr; 220{ 221 if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1 222 || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd) 223 != ptr->size)) 224 return 0; 225 return 1; 226} 227 228static int 229get_4 (pp) 230 unsigned char **pp; 231{ 232 unsigned char *p = *pp; 233 *pp += 4; 234 return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0); 235} 236 237static void 238get_10 (pp, name) 239 unsigned char **pp; 240 char *name; 241{ 242 char *p = (char *) *pp; 243 int len = 10; 244 *pp += len; 245 while (*p != ' ' 246 && len) 247 { 248 *name++ = *p++; 249 len--; 250 } 251 *name = 0; 252} 253 254static char * 255new_symbol_string (abfd, name) 256 bfd *abfd; 257 const char *name; 258{ 259 char *n = VDATA (abfd)->strings; 260 strcpy (VDATA (abfd)->strings, name); 261 VDATA (abfd)->strings += strlen (VDATA (abfd)->strings) + 1; 262 return n; 263} 264 265static void 266process_esd (abfd, esd, pass) 267 bfd *abfd; 268 struct ext_esd *esd; 269 int pass; 270{ 271 /* Read through the ext def for the est entries */ 272 int togo = esd->size - 2; 273 bfd_vma size; 274 bfd_vma start; 275 asection *sec; 276 char name[11]; 277 unsigned char *ptr = esd->esd_entries; 278 unsigned char *end = ptr + togo; 279 while (ptr < end) 280 { 281 int scn = *ptr & 0xf; 282 int typ = (*ptr >> 4) & 0xf; 283 284 /* Declare this section */ 285 sprintf (name, "%d", scn); 286 sec = bfd_make_section_old_way (abfd, strdup (name)); 287 sec->target_index = scn; 288 EDATA (abfd, scn).section = sec; 289 ptr++; 290 switch (typ) 291 { 292 default: 293 abort (); 294 case ESD_XREF_SEC: 295 case ESD_XREF_SYM: 296 { 297 int snum = VDATA (abfd)->ref_idx++; 298 get_10 (&ptr, name); 299 if (pass == 1) 300 { 301 VDATA (abfd)->stringlen += strlen (name) + 1; 302 } 303 else 304 { 305 int esidx; 306 asymbol *s; 307 char *n = new_symbol_string (abfd, name); 308 s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0, 309 bfd_und_section_ptr); 310 esidx = VDATA (abfd)->es_done++; 311 RDATA (abfd, esidx - ES_BASE) = s; 312 } 313 } 314 break; 315 316 case ESD_ABS: 317 size = get_4 (&ptr); 318 start = get_4 (&ptr); 319 break; 320 case ESD_STD_REL_SEC: 321 case ESD_SHRT_REL_SEC: 322 { 323 sec->size = get_4 (&ptr); 324 sec->flags |= SEC_ALLOC; 325 } 326 break; 327 case ESD_XDEF_IN_ABS: 328 sec = (asection *) & bfd_abs_section; 329 case ESD_XDEF_IN_SEC: 330 { 331 int snum = VDATA (abfd)->def_idx++; 332 bfd_vma val; 333 get_10 (&ptr, name); 334 val = get_4 (&ptr); 335 if (pass == 1) 336 { 337 /* Just remember the symbol */ 338 VDATA (abfd)->stringlen += strlen (name) + 1; 339 } 340 else 341 { 342 asymbol *s; 343 char *n = new_symbol_string (abfd, name); 344 s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, 345 val, sec); 346 s->flags |= BSF_GLOBAL; 347 } 348 } 349 break; 350 } 351 } 352} 353 354#define R_RELWORD 1 355#define R_RELLONG 2 356#define R_RELWORD_NEG 3 357#define R_RELLONG_NEG 4 358 359reloc_howto_type versados_howto_table[] = 360{ 361 HOWTO (R_RELWORD, 0, 1, 16, FALSE, 362 0, complain_overflow_dont, 0, 363 "+v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), 364 HOWTO (R_RELLONG, 0, 2, 32, FALSE, 365 0, complain_overflow_dont, 0, 366 "+v32", TRUE, 0xffffffff, 0xffffffff, FALSE), 367 368 HOWTO (R_RELWORD_NEG, 0, -1, 16, FALSE, 369 0, complain_overflow_dont, 0, 370 "-v16", TRUE, 0x0000ffff, 0x0000ffff, FALSE), 371 HOWTO (R_RELLONG_NEG, 0, -2, 32, FALSE, 372 0, complain_overflow_dont, 0, 373 "-v32", TRUE, 0xffffffff, 0xffffffff, FALSE), 374}; 375 376static int 377get_offset (len, ptr) 378 int len; 379 unsigned char *ptr; 380{ 381 int val = 0; 382 if (len) 383 { 384 int i; 385 val = *ptr++; 386 if (val & 0x80) 387 val |= ~0xff; 388 for (i = 1; i < len; i++) 389 val = (val << 8) | *ptr++; 390 } 391 392 return val; 393} 394 395static void 396process_otr (abfd, otr, pass) 397 bfd *abfd; 398 struct ext_otr *otr; 399 int pass; 400{ 401 unsigned long shift; 402 unsigned char *srcp = otr->data; 403 unsigned char *endp = (unsigned char *) otr + otr->size; 404 unsigned int bits = (otr->map[0] << 24) 405 | (otr->map[1] << 16) 406 | (otr->map[2] << 8) 407 | (otr->map[3] << 0); 408 409 struct esdid *esdid = &EDATA (abfd, otr->esdid - 1); 410 unsigned char *contents = esdid->contents; 411 int need_contents = 0; 412 unsigned int dst_idx = esdid->pc; 413 414 for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1) 415 { 416 if (bits & shift) 417 { 418 int flag = *srcp++; 419 int esdids = (flag >> 5) & 0x7; 420 int sizeinwords = ((flag >> 3) & 1) ? 2 : 1; 421 int offsetlen = flag & 0x7; 422 int j; 423 424 if (esdids == 0) 425 { 426 /* A zero esdid means the new pc is the offset given */ 427 dst_idx += get_offset (offsetlen, srcp); 428 srcp += offsetlen; 429 } 430 else 431 { 432 int val = get_offset (offsetlen, srcp + esdids); 433 if (pass == 1) 434 need_contents = 1; 435 else 436 for (j = 0; j < sizeinwords * 2; j++) 437 { 438 contents[dst_idx + (sizeinwords * 2) - j - 1] = val; 439 val >>= 8; 440 } 441 442 for (j = 0; j < esdids; j++) 443 { 444 int esdid = *srcp++; 445 446 if (esdid) 447 { 448 int rn = EDATA (abfd, otr->esdid - 1).relocs++; 449 if (pass == 1) 450 { 451 /* this is the first pass over the data, 452 just remember that we need a reloc */ 453 } 454 else 455 { 456 arelent *n = 457 EDATA (abfd, otr->esdid - 1).section->relocation + rn; 458 n->address = dst_idx; 459 460 n->sym_ptr_ptr = (asymbol **) esdid; 461 n->addend = 0; 462 n->howto = versados_howto_table + ((j & 1) * 2) + (sizeinwords - 1); 463 } 464 } 465 } 466 srcp += offsetlen; 467 dst_idx += sizeinwords * 2; 468 } 469 } 470 else 471 { 472 need_contents = 1; 473 if (dst_idx < esdid->section->size) 474 if (pass == 2) 475 { 476 /* absolute code, comes in 16 bit lumps */ 477 contents[dst_idx] = srcp[0]; 478 contents[dst_idx + 1] = srcp[1]; 479 } 480 dst_idx += 2; 481 srcp += 2; 482 } 483 } 484 EDATA (abfd, otr->esdid - 1).pc = dst_idx; 485 486 if (!contents && need_contents) 487 { 488 bfd_size_type size = esdid->section->size; 489 esdid->contents = (unsigned char *) bfd_alloc (abfd, size); 490 } 491} 492 493static bfd_boolean 494versados_scan (abfd) 495 bfd *abfd; 496{ 497 int loop = 1; 498 int i; 499 int j; 500 int nsecs = 0; 501 bfd_size_type amt; 502 503 VDATA (abfd)->stringlen = 0; 504 VDATA (abfd)->nrefs = 0; 505 VDATA (abfd)->ndefs = 0; 506 VDATA (abfd)->ref_idx = 0; 507 VDATA (abfd)->def_idx = 0; 508 VDATA (abfd)->pass_2_done = 0; 509 510 while (loop) 511 { 512 union ext_any any; 513 if (!get_record (abfd, &any)) 514 return TRUE; 515 switch (any.header.type) 516 { 517 case VHEADER: 518 break; 519 case VEND: 520 loop = 0; 521 break; 522 case VESTDEF: 523 process_esd (abfd, &any.esd, 1); 524 break; 525 case VOTR: 526 process_otr (abfd, &any.otr, 1); 527 break; 528 } 529 } 530 531 /* Now allocate space for the relocs and sections */ 532 533 VDATA (abfd)->nrefs = VDATA (abfd)->ref_idx; 534 VDATA (abfd)->ndefs = VDATA (abfd)->def_idx; 535 VDATA (abfd)->ref_idx = 0; 536 VDATA (abfd)->def_idx = 0; 537 538 abfd->symcount = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs; 539 540 for (i = 0; i < 16; i++) 541 { 542 struct esdid *esdid = &EDATA (abfd, i); 543 if (esdid->section) 544 { 545 amt = (bfd_size_type) esdid->relocs * sizeof (arelent); 546 esdid->section->relocation = (arelent *) bfd_alloc (abfd, amt); 547 548 esdid->pc = 0; 549 550 if (esdid->contents) 551 esdid->section->flags |= SEC_HAS_CONTENTS | SEC_LOAD; 552 553 esdid->section->reloc_count = esdid->relocs; 554 if (esdid->relocs) 555 esdid->section->flags |= SEC_RELOC; 556 557 esdid->relocs = 0; 558 559 /* Add an entry into the symbol table for it */ 560 nsecs++; 561 VDATA (abfd)->stringlen += strlen (esdid->section->name) + 1; 562 } 563 } 564 565 abfd->symcount += nsecs; 566 567 amt = abfd->symcount; 568 amt *= sizeof (asymbol); 569 VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd, amt); 570 571 amt = VDATA (abfd)->stringlen; 572 VDATA (abfd)->strings = bfd_alloc (abfd, amt); 573 574 if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0) 575 || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0)) 576 return FALSE; 577 578 /* Actually fill in the section symbols, 579 we stick them at the end of the table */ 580 581 for (j = VDATA (abfd)->nrefs + VDATA (abfd)->ndefs, i = 0; i < 16; i++) 582 { 583 struct esdid *esdid = &EDATA (abfd, i); 584 asection *sec = esdid->section; 585 if (sec) 586 { 587 asymbol *s = VDATA (abfd)->symbols + j; 588 s->name = new_symbol_string (abfd, sec->name); 589 s->section = sec; 590 s->flags = BSF_LOCAL; 591 s->value = 0; 592 s->the_bfd = abfd; 593 j++; 594 } 595 } 596 if (abfd->symcount) 597 abfd->flags |= HAS_SYMS; 598 599 /* Set this to nsecs - since we've already planted the section 600 symbols */ 601 VDATA (abfd)->nsecsyms = nsecs; 602 603 VDATA (abfd)->ref_idx = 0; 604 605 return 1; 606} 607 608/* Check whether an existing file is a versados file. */ 609 610static const bfd_target * 611versados_object_p (abfd) 612 bfd *abfd; 613{ 614 struct ext_vheader ext; 615 unsigned char len; 616 tdata_type *tdata_save; 617 618 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) 619 return NULL; 620 621 if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1) 622 { 623 if (bfd_get_error () != bfd_error_system_call) 624 bfd_set_error (bfd_error_wrong_format); 625 return NULL; 626 } 627 628 if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len) 629 { 630 if (bfd_get_error () != bfd_error_system_call) 631 bfd_set_error (bfd_error_wrong_format); 632 return NULL; 633 } 634 635 /* We guess that the language field will never be larger than 10. 636 In sample files, it is always either 0 or 1. Checking for this 637 prevents confusion with Intel Hex files. */ 638 if (ext.type != VHEADER 639 || ext.lang > 10) 640 { 641 bfd_set_error (bfd_error_wrong_format); 642 return NULL; 643 } 644 645 /* OK, looks like a record, build the tdata and read in. */ 646 647 tdata_save = abfd->tdata.versados_data; 648 if (!versados_mkobject (abfd) || !versados_scan (abfd)) 649 { 650 abfd->tdata.versados_data = tdata_save; 651 return NULL; 652 } 653 654 return abfd->xvec; 655} 656 657static bfd_boolean 658versados_pass_2 (abfd) 659 bfd *abfd; 660{ 661 union ext_any any; 662 663 if (VDATA (abfd)->pass_2_done) 664 return 1; 665 666 if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) 667 return 0; 668 669 VDATA (abfd)->es_done = ES_BASE; 670 671 /* read records till we get to where we want to be */ 672 673 while (1) 674 { 675 get_record (abfd, &any); 676 switch (any.header.type) 677 { 678 case VEND: 679 VDATA (abfd)->pass_2_done = 1; 680 return 1; 681 case VESTDEF: 682 process_esd (abfd, &any.esd, 2); 683 break; 684 case VOTR: 685 process_otr (abfd, &any.otr, 2); 686 break; 687 } 688 } 689} 690 691static bfd_boolean 692versados_get_section_contents (abfd, section, location, offset, count) 693 bfd *abfd; 694 asection *section; 695 PTR location; 696 file_ptr offset; 697 bfd_size_type count; 698{ 699 if (!versados_pass_2 (abfd)) 700 return FALSE; 701 702 memcpy (location, 703 EDATA (abfd, section->target_index).contents + offset, 704 (size_t) count); 705 706 return TRUE; 707} 708 709#define versados_get_section_contents_in_window \ 710 _bfd_generic_get_section_contents_in_window 711 712static bfd_boolean 713versados_set_section_contents (abfd, section, location, offset, bytes_to_do) 714 bfd *abfd ATTRIBUTE_UNUSED; 715 sec_ptr section ATTRIBUTE_UNUSED; 716 const PTR location ATTRIBUTE_UNUSED; 717 file_ptr offset ATTRIBUTE_UNUSED; 718 bfd_size_type bytes_to_do ATTRIBUTE_UNUSED; 719{ 720 return FALSE; 721} 722 723static int 724versados_sizeof_headers (abfd, exec) 725 bfd *abfd ATTRIBUTE_UNUSED; 726 bfd_boolean exec ATTRIBUTE_UNUSED; 727{ 728 return 0; 729} 730 731/* Return the amount of memory needed to read the symbol table. */ 732 733static long 734versados_get_symtab_upper_bound (abfd) 735 bfd *abfd; 736{ 737 return (bfd_get_symcount (abfd) + 1) * sizeof (asymbol *); 738} 739 740/* Return the symbol table. */ 741 742static long 743versados_canonicalize_symtab (abfd, alocation) 744 bfd *abfd; 745 asymbol **alocation; 746{ 747 unsigned int symcount = bfd_get_symcount (abfd); 748 unsigned int i; 749 asymbol *s; 750 751 versados_pass_2 (abfd); 752 753 for (i = 0, s = VDATA (abfd)->symbols; 754 i < symcount; 755 s++, i++) 756 { 757 *alocation++ = s; 758 } 759 760 *alocation = NULL; 761 762 return symcount; 763} 764 765static void 766versados_get_symbol_info (ignore_abfd, symbol, ret) 767 bfd *ignore_abfd ATTRIBUTE_UNUSED; 768 asymbol *symbol; 769 symbol_info *ret; 770{ 771 bfd_symbol_info (symbol, ret); 772} 773 774static void 775versados_print_symbol (abfd, afile, symbol, how) 776 bfd *abfd; 777 PTR afile; 778 asymbol *symbol; 779 bfd_print_symbol_type how; 780{ 781 FILE *file = (FILE *) afile; 782 switch (how) 783 { 784 case bfd_print_symbol_name: 785 fprintf (file, "%s", symbol->name); 786 break; 787 default: 788 bfd_print_symbol_vandf (abfd, (PTR) file, symbol); 789 fprintf (file, " %-5s %s", 790 symbol->section->name, 791 symbol->name); 792 793 } 794} 795 796static long 797versados_get_reloc_upper_bound (abfd, asect) 798 bfd *abfd ATTRIBUTE_UNUSED; 799 sec_ptr asect; 800{ 801 return (asect->reloc_count + 1) * sizeof (arelent *); 802} 803 804static long 805versados_canonicalize_reloc (abfd, section, relptr, symbols) 806 bfd *abfd; 807 sec_ptr section; 808 arelent **relptr; 809 asymbol **symbols; 810{ 811 unsigned int count; 812 arelent *src; 813 814 versados_pass_2 (abfd); 815 src = section->relocation; 816 if (!EDATA (abfd, section->target_index).donerel) 817 { 818 EDATA (abfd, section->target_index).donerel = 1; 819 /* translate from indexes to symptr ptrs */ 820 for (count = 0; count < section->reloc_count; count++) 821 { 822 int esdid = (int) src[count].sym_ptr_ptr; 823 824 if (esdid == 0) 825 { 826 src[count].sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr; 827 } 828 else if (esdid < ES_BASE) /* Section relative thing */ 829 { 830 struct esdid *e = &EDATA (abfd, esdid - 1); 831 if (!section) 832 { 833 /** relocation relative to section which was 834 never declared ! */ 835 } 836 src[count].sym_ptr_ptr = e->section->symbol_ptr_ptr; 837 } 838 else 839 { 840 src[count].sym_ptr_ptr = symbols + esdid - ES_BASE; 841 } 842 843 } 844 } 845 846 for (count = 0; count < section->reloc_count; count++) 847 { 848 *relptr++ = src++; 849 } 850 *relptr = 0; 851 return section->reloc_count; 852} 853 854#define versados_close_and_cleanup _bfd_generic_close_and_cleanup 855#define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info 856#define versados_new_section_hook _bfd_generic_new_section_hook 857 858#define versados_bfd_is_target_special_symbol \ 859 ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) 860#define versados_bfd_is_local_label_name bfd_generic_is_local_label_name 861#define versados_get_lineno _bfd_nosymbols_get_lineno 862#define versados_find_nearest_line _bfd_nosymbols_find_nearest_line 863#define versados_make_empty_symbol _bfd_generic_make_empty_symbol 864#define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol 865#define versados_read_minisymbols _bfd_generic_read_minisymbols 866#define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol 867 868#define versados_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup 869 870#define versados_set_arch_mach bfd_default_set_arch_mach 871 872#define versados_bfd_get_relocated_section_contents \ 873 bfd_generic_get_relocated_section_contents 874#define versados_bfd_relax_section bfd_generic_relax_section 875#define versados_bfd_gc_sections bfd_generic_gc_sections 876#define versados_bfd_merge_sections bfd_generic_merge_sections 877#define versados_bfd_is_group_section bfd_generic_is_group_section 878#define versados_bfd_discard_group bfd_generic_discard_group 879#define versados_section_already_linked \ 880 _bfd_generic_section_already_linked 881#define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create 882#define versados_bfd_link_hash_table_free _bfd_generic_link_hash_table_free 883#define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols 884#define versados_bfd_link_just_syms _bfd_generic_link_just_syms 885#define versados_bfd_final_link _bfd_generic_final_link 886#define versados_bfd_link_split_section _bfd_generic_link_split_section 887 888const bfd_target versados_vec = 889{ 890 "versados", /* name */ 891 bfd_target_versados_flavour, 892 BFD_ENDIAN_BIG, /* target byte order */ 893 BFD_ENDIAN_BIG, /* target headers byte order */ 894 (HAS_RELOC | EXEC_P | /* object flags */ 895 HAS_LINENO | HAS_DEBUG | 896 HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED), 897 (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS 898 | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ 899 0, /* leading underscore */ 900 ' ', /* ar_pad_char */ 901 16, /* ar_max_namelen */ 902 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 903 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 904 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ 905 bfd_getb64, bfd_getb_signed_64, bfd_putb64, 906 bfd_getb32, bfd_getb_signed_32, bfd_putb32, 907 bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ 908 909 { 910 _bfd_dummy_target, 911 versados_object_p, /* bfd_check_format */ 912 _bfd_dummy_target, 913 _bfd_dummy_target, 914 }, 915 { 916 bfd_false, 917 versados_mkobject, 918 _bfd_generic_mkarchive, 919 bfd_false, 920 }, 921 { /* bfd_write_contents */ 922 bfd_false, 923 bfd_false, 924 _bfd_write_archive_contents, 925 bfd_false, 926 }, 927 928 BFD_JUMP_TABLE_GENERIC (versados), 929 BFD_JUMP_TABLE_COPY (_bfd_generic), 930 BFD_JUMP_TABLE_CORE (_bfd_nocore), 931 BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), 932 BFD_JUMP_TABLE_SYMBOLS (versados), 933 BFD_JUMP_TABLE_RELOCS (versados), 934 BFD_JUMP_TABLE_WRITE (versados), 935 BFD_JUMP_TABLE_LINK (versados), 936 BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), 937 938 NULL, 939 940 (PTR) 0 941}; 942