ld/emultempl/armelf.em

   1 # This shell script emits a C file. -*- C -*-
   2 #   Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   3 #   2004, 2005, 2007, 2008
   4 #   Free Software Foundation, Inc.
   5 #
   6 # This file is part of the GNU Binutils.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program; if not, write to the Free Software
  20 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21 # MA 02110-1301, USA.
  22 #
  23
  24 # This file is sourced from elf32.em, and defines extra arm-elf
  25 # specific routines.
  26 #
  27 test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
  28 fragment <<EOF
  29
  30 #include "ldctor.h"
  31 #include "elf/arm.h"
  32
  33 static char *thumb_entry_symbol = NULL;
  34 static int byteswap_code = 0;
  35 static int target1_is_rel = 0${TARGET1_IS_REL};
  36 static char *target2_type = "${TARGET2_TYPE}";
  37 static int fix_v4bx = 0;
  38 static int use_blx = 0;
  39 static bfd_arm_vfp11_fix vfp11_denorm_fix = BFD_ARM_VFP11_FIX_DEFAULT;
  40 static int fix_cortex_a8 = -1;
  41 static int no_enum_size_warning = 0;
  42 static int no_wchar_size_warning = 0;
  43 static int pic_veneer = 0;
  44
  45 static void
  46 gld${EMULATION_NAME}_before_parse (void)
  47 {
  48 #ifndef TARGET_                 /* I.e., if not generic.  */
  49   ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
  50 #endif /* not TARGET_ */
  51   config.dynamic_link = ${DYNAMIC_LINK-TRUE};
  52   config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
  53 }
  54
  55 static void
  56 arm_elf_before_allocation (void)
  57 {
  58   bfd_elf32_arm_set_byteswap_code (&link_info, byteswap_code);
  59
  60   /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
  61      due to architecture version.  */
  62   bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
  63
  64   /* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified.  */
  65   bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
  66
  67   /* We should be able to set the size of the interworking stub section.  We
  68      can't do it until later if we have dynamic sections, though.  */
  69   if (! elf_hash_table (&link_info)->dynamic_sections_created)
  70     {
  71       /* Here we rummage through the found bfds to collect glue information.  */
  72       LANG_FOR_EACH_INPUT_STATEMENT (is)
  73         {
  74           /* Initialise mapping tables for code/data.  */
  75           bfd_elf32_arm_init_maps (is->the_bfd);
  76
  77           if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
  78                                                         &link_info)
  79               || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info))
  80             /* xgettext:c-format */
  81             einfo (_("Errors encountered processing file %s"), is->filename);
  82         }
  83
  84       /* We have seen it all.  Allocate it, and carry on.  */
  85       bfd_elf32_arm_allocate_interworking_sections (& link_info);
  86     }
  87
  88   /* Call the standard elf routine.  */
  89   gld${EMULATION_NAME}_before_allocation ();
  90 }
  91
  92 /* Fake input file for stubs.  */
  93 static lang_input_statement_type *stub_file;
  94
  95 /* Whether we need to call gldarm_layout_sections_again.  */
  96 static int need_laying_out = 0;
  97
  98 /* Maximum size of a group of input sections that can be handled by
  99    one stub section.  A value of +/-1 indicates the bfd back-end
 100    should use a suitable default size.  */
 101 static bfd_signed_vma group_size = 1;
 102
 103 struct hook_stub_info
 104 {
 105   lang_statement_list_type add;
 106   asection *input_section;
 107 };
 108
 109 /* Traverse the linker tree to find the spot where the stub goes.  */
 110
 111 static bfd_boolean
 112 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
 113 {
 114   lang_statement_union_type *l;
 115   bfd_boolean ret;
 116
 117   for (; (l = *lp) != NULL; lp = &l->header.next)
 118     {
 119       switch (l->header.type)
 120         {
 121         case lang_constructors_statement_enum:
 122           ret = hook_in_stub (info, &constructor_list.head);
 123           if (ret)
 124             return ret;
 125           break;
 126
 127         case lang_output_section_statement_enum:
 128           ret = hook_in_stub (info,
 129                               &l->output_section_statement.children.head);
 130           if (ret)
 131             return ret;
 132           break;
 133
 134         case lang_wild_statement_enum:
 135           ret = hook_in_stub (info, &l->wild_statement.children.head);
 136           if (ret)
 137             return ret;
 138           break;
 139
 140         case lang_group_statement_enum:
 141           ret = hook_in_stub (info, &l->group_statement.children.head);
 142           if (ret)
 143             return ret;
 144           break;
 145
 146         case lang_input_section_enum:
 147           if (l->input_section.section == info->input_section)
 148             {
 149               /* We've found our section.  Insert the stub immediately
 150                  after its associated input section.  */
 151               *(info->add.tail) = l->header.next;
 152               l->header.next = info->add.head;
 153               return TRUE;
 154             }
 155           break;
 156
 157         case lang_data_statement_enum:
 158         case lang_reloc_statement_enum:
 159         case lang_object_symbols_statement_enum:
 160         case lang_output_statement_enum:
 161         case lang_target_statement_enum:
 162         case lang_input_statement_enum:
 163         case lang_assignment_statement_enum:
 164         case lang_padding_statement_enum:
 165         case lang_address_statement_enum:
 166         case lang_fill_statement_enum:
 167           break;
 168
 169         default:
 170           FAIL ();
 171           break;
 172         }
 173     }
 174   return FALSE;
 175 }
 176
 177
 178 /* Call-back for elf32_arm_size_stubs.  */
 179
 180 /* Create a new stub section, and arrange for it to be linked
 181    immediately after INPUT_SECTION.  */
 182
 183 static asection *
 184 elf32_arm_add_stub_section (const char *stub_sec_name,
 185                             asection *input_section)
 186 {
 187   asection *stub_sec;
 188   flagword flags;
 189   asection *output_section;
 190   const char *secname;
 191   lang_output_section_statement_type *os;
 192   struct hook_stub_info info;
 193
 194   flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
 195            | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
 196   stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
 197                                                  stub_sec_name, flags);
 198   if (stub_sec == NULL)
 199     goto err_ret;
 200
 201   bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 3);
 202
 203   output_section = input_section->output_section;
 204   secname = bfd_get_section_name (output_section->owner, output_section);
 205   os = lang_output_section_find (secname);
 206
 207   info.input_section = input_section;
 208   lang_list_init (&info.add);
 209   lang_add_section (&info.add, stub_sec, os);
 210
 211   if (info.add.head == NULL)
 212     goto err_ret;
 213
 214   if (hook_in_stub (&info, &os->children.head))
 215     return stub_sec;
 216
 217  err_ret:
 218   einfo ("%X%P: can not make stub section: %E\n");
 219   return NULL;
 220 }
 221
 222 /* Another call-back for elf_arm_size_stubs.  */
 223
 224 static void
 225 gldarm_layout_sections_again (void)
 226 {
 227   /* If we have changed sizes of the stub sections, then we need
 228      to recalculate all the section offsets.  This may mean we need to
 229      add even more stubs.  */
 230   gld${EMULATION_NAME}_map_segments (TRUE);
 231   need_laying_out = -1;
 232 }
 233
 234 static void
 235 build_section_lists (lang_statement_union_type *statement)
 236 {
 237   if (statement->header.type == lang_input_section_enum)
 238     {
 239       asection *i = statement->input_section.section;
 240
 241       if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
 242           && (i->flags & SEC_EXCLUDE) == 0
 243           && i->output_section != NULL
 244           && i->output_section->owner == link_info.output_bfd)
 245         elf32_arm_next_input_section (& link_info, i);
 246     }
 247 }
 248
 249 static int
 250 compare_output_sec_vma (const void *a, const void *b)
 251 {
 252   asection *asec = *(asection **) a, *bsec = *(asection **) b;
 253   asection *aout = asec->output_section, *bout = bsec->output_section;
 254   bfd_vma avma, bvma;
 255
 256   /* If there's no output section for some reason, compare equal.  */
 257   if (!aout || !bout)
 258     return 0;
 259
 260   avma = aout->vma + asec->output_offset;
 261   bvma = bout->vma + bsec->output_offset;
 262
 263   if (avma > bvma)
 264     return 1;
 265   else if (avma < bvma)
 266     return -1;
 267
 268   return 0;
 269 }
 270
 271 static void
 272 gld${EMULATION_NAME}_after_allocation (void)
 273 {
 274   if (!link_info.relocatable)
 275     {
 276       /* Build a sorted list of input text sections, then use that to process
 277          the unwind table index.  */
 278       unsigned int list_size = 10;
 279       asection **sec_list = xmalloc (list_size * sizeof (asection *));
 280       unsigned int sec_count = 0;
 281
 282       LANG_FOR_EACH_INPUT_STATEMENT (is)
 283         {
 284           bfd *abfd = is->the_bfd;
 285           asection *sec;
 286
 287           if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
 288             continue;
 289
 290           for (sec = abfd->sections; sec != NULL; sec = sec->next)
 291             {
 292               asection *out_sec = sec->output_section;
 293
 294               if (out_sec
 295                   && elf_section_data (sec)
 296                   && elf_section_type (sec) == SHT_PROGBITS
 297                   && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
 298                   && (sec->flags & SEC_EXCLUDE) == 0
 299                   && sec->sec_info_type != ELF_INFO_TYPE_JUST_SYMS
 300                   && out_sec != bfd_abs_section_ptr)
 301                 {
 302                   if (sec_count == list_size)
 303                     {
 304                       list_size *= 2;
 305                       sec_list = xrealloc (sec_list,
 306                                            list_size * sizeof (asection *));
 307                     }
 308
 309                   sec_list[sec_count++] = sec;
 310                 }
 311             }
 312         }
 313
 314       qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
 315
 316       if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info))
 317         need_laying_out = 1;
 318
 319       free (sec_list);
 320     }
 321
 322   /* bfd_elf32_discard_info just plays with debugging sections,
 323      ie. doesn't affect any code, so we can delay resizing the
 324      sections.  It's likely we'll resize everything in the process of
 325      adding stubs.  */
 326   if (bfd_elf_discard_info (link_info.output_bfd, & link_info))
 327     need_laying_out = 1;
 328
 329   /* If generating a relocatable output file, then we don't
 330      have to examine the relocs.  */
 331   if (stub_file != NULL && !link_info.relocatable)
 332     {
 333       int  ret = elf32_arm_setup_section_lists (link_info.output_bfd, & link_info);
 334
 335       if (ret != 0)
 336         {
 337           if (ret < 0)
 338             {
 339               einfo ("%X%P: could not compute sections lists for stub generation: %E\n");
 340               return;
 341             }
 342
 343           lang_for_each_statement (build_section_lists);
 344
 345           /* Call into the BFD backend to do the real work.  */
 346           if (! elf32_arm_size_stubs (link_info.output_bfd,
 347                                       stub_file->the_bfd,
 348                                       & link_info,
 349                                       group_size,
 350                                       & elf32_arm_add_stub_section,
 351                                       & gldarm_layout_sections_again))
 352             {
 353               einfo ("%X%P: cannot size stub section: %E\n");
 354               return;
 355             }
 356         }
 357     }
 358
 359   if (need_laying_out != -1)
 360     gld${EMULATION_NAME}_map_segments (need_laying_out);
 361 }
 362
 363 static void
 364 gld${EMULATION_NAME}_finish (void)
 365 {
 366   struct bfd_link_hash_entry * h;
 367
 368   {
 369     LANG_FOR_EACH_INPUT_STATEMENT (is)
 370       {
 371         /* Figure out where VFP11 erratum veneers (and the labels returning
 372            from same) have been placed.  */
 373         bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
 374       }
 375   }
 376
 377   if (! link_info.relocatable)
 378     {
 379       /* Now build the linker stubs.  */
 380       if (stub_file->the_bfd->sections != NULL)
 381         {
 382           if (! elf32_arm_build_stubs (& link_info))
 383             einfo ("%X%P: can not build stubs: %E\n");
 384         }
 385     }
 386
 387   finish_default ();
 388
 389   if (thumb_entry_symbol)
 390     {
 391       h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
 392                                 FALSE, FALSE, TRUE);
 393     }
 394   else
 395     {
 396       struct elf_link_hash_entry * eh;
 397
 398       if (!entry_symbol.name)
 399         return;
 400
 401       h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
 402                                 FALSE, FALSE, TRUE);
 403       eh = (struct elf_link_hash_entry *)h;
 404       if (!h || ELF_ST_TYPE(eh->type) != STT_ARM_TFUNC)
 405         return;
 406     }
 407
 408
 409   if (h != (struct bfd_link_hash_entry *) NULL
 410       && (h->type == bfd_link_hash_defined
 411           || h->type == bfd_link_hash_defweak)
 412       && h->u.def.section->output_section != NULL)
 413     {
 414       static char buffer[32];
 415       bfd_vma val;
 416
 417       /* Special procesing is required for a Thumb entry symbol.  The
 418          bottom bit of its address must be set.  */
 419       val = (h->u.def.value
 420              + bfd_get_section_vma (link_info.output_bfd,
 421                                     h->u.def.section->output_section)
 422              + h->u.def.section->output_offset);
 423
 424       val |= 1;
 425
 426       /* Now convert this value into a string and store it in entry_symbol
 427          where the lang_finish() function will pick it up.  */
 428       buffer[0] = '0';
 429       buffer[1] = 'x';
 430
 431       sprintf_vma (buffer + 2, val);
 432
 433       if (thumb_entry_symbol != NULL && entry_symbol.name != NULL
 434           && entry_from_cmdline)
 435         einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
 436                thumb_entry_symbol, entry_symbol.name);
 437       entry_symbol.name = buffer;
 438     }
 439   else
 440     einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
 441            thumb_entry_symbol);
 442 }
 443
 444 /* This is a convenient point to tell BFD about target specific flags.
 445    After the output has been created, but before inputs are read.  */
 446 static void
 447 arm_elf_create_output_section_statements (void)
 448 {
 449   if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
 450     {
 451       /* The arm backend needs special fields in the output hash structure.
 452          These will only be created if the output format is an arm format,
 453          hence we do not support linking and changing output formats at the
 454          same time.  Use a link followed by objcopy to change output formats.  */
 455       einfo ("%F%X%P: error: Cannot change output format whilst linking ARM binaries.\n");
 456       return;
 457     }
 458
 459   bfd_elf32_arm_set_target_relocs (link_info.output_bfd, &link_info,
 460                                    target1_is_rel,
 461                                    target2_type, fix_v4bx, use_blx,
 462                                    vfp11_denorm_fix, no_enum_size_warning,
 463                                    no_wchar_size_warning,
 464                                    pic_veneer, fix_cortex_a8);
 465
 466   stub_file = lang_add_input_file ("linker stubs",
 467                                    lang_input_file_is_fake_enum,
 468                                    NULL);
 469   stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
 470   if (stub_file->the_bfd == NULL
 471       || ! bfd_set_arch_mach (stub_file->the_bfd,
 472                               bfd_get_arch (link_info.output_bfd),
 473                               bfd_get_mach (link_info.output_bfd)))
 474     {
 475       einfo ("%X%P: can not create BFD %E\n");
 476       return;
 477     }
 478
 479   stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
 480   ldlang_add_file (stub_file);
 481
 482   /* Also use the stub file for stubs placed in a single output section.  */
 483   bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
 484   bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
 485 }
 486
 487 /* Avoid processing the fake stub_file in vercheck, stat_needed and
 488    check_needed routines.  */
 489
 490 static void (*real_func) (lang_input_statement_type *);
 491
 492 static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
 493 {
 494   if (l != stub_file)
 495     (*real_func) (l);
 496 }
 497
 498 static void
 499 arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
 500 {
 501   real_func = func;
 502   lang_for_each_input_file (&arm_for_each_input_file_wrapper);
 503 }
 504
 505 #define lang_for_each_input_file arm_lang_for_each_input_file
 506
 507 EOF
 508
 509 # Define some shell vars to insert bits of code into the standard elf
 510 # parse_args and list_options functions.
 511 #
 512 PARSE_AND_LIST_PROLOGUE='
 513 #define OPTION_THUMB_ENTRY              301
 514 #define OPTION_BE8                      302
 515 #define OPTION_TARGET1_REL              303
 516 #define OPTION_TARGET1_ABS              304
 517 #define OPTION_TARGET2                  305
 518 #define OPTION_FIX_V4BX                 306
 519 #define OPTION_USE_BLX                  307
 520 #define OPTION_VFP11_DENORM_FIX         308
 521 #define OPTION_NO_ENUM_SIZE_WARNING     309
 522 #define OPTION_PIC_VENEER               310
 523 #define OPTION_FIX_V4BX_INTERWORKING    311
 524 #define OPTION_STUBGROUP_SIZE           312
 525 #define OPTION_NO_WCHAR_SIZE_WARNING    313
 526 #define OPTION_FIX_CORTEX_A8            314
 527 #define OPTION_NO_FIX_CORTEX_A8         315
 528 '
 529
 530 PARSE_AND_LIST_SHORTOPTS=p
 531
 532 PARSE_AND_LIST_LONGOPTS='
 533   { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
 534   { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
 535   { "be8", no_argument, NULL, OPTION_BE8},
 536   { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
 537   { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
 538   { "target2", required_argument, NULL, OPTION_TARGET2},
 539   { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
 540   { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
 541   { "use-blx", no_argument, NULL, OPTION_USE_BLX},
 542   { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
 543   { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
 544   { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
 545   { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
 546   { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
 547   { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
 548   { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
 549 '
 550
 551 PARSE_AND_LIST_OPTIONS='
 552   fprintf (file, _("  --thumb-entry=<sym>         Set the entry point to be Thumb symbol <sym>\n"));
 553   fprintf (file, _("  --be8                       Output BE8 format image\n"));
 554   fprintf (file, _("  --target1=rel               Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
 555   fprintf (file, _("  --target1=abs               Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
 556   fprintf (file, _("  --target2=<type>            Specify definition of R_ARM_TARGET2\n"));
 557   fprintf (file, _("  --fix-v4bx                  Rewrite BX rn as MOV pc, rn for ARMv4\n"));
 558   fprintf (file, _("  --fix-v4bx-interworking     Rewrite BX rn branch to ARMv4 interworking veneer\n"));
 559   fprintf (file, _("  --use-blx                   Enable use of BLX instructions\n"));
 560   fprintf (file, _("  --vfp11-denorm-fix          Specify how to fix VFP11 denorm erratum\n"));
 561   fprintf (file, _("  --no-enum-size-warning      Don'\''t warn about objects with incompatible\n"
 562                    "                                enum sizes\n"));
 563   fprintf (file, _("  --no-wchar-size-warning     Don'\''t warn about objects with incompatible"
 564                    "                                wchar_t sizes\n"));
 565   fprintf (file, _("  --pic-veneer                Always generate PIC interworking veneers\n"));
 566   fprintf (file, _("\
 567    --stub-group-size=N   Maximum size of a group of input sections that can be\n\
 568                            handled by one stub section.  A negative value\n\
 569                            locates all stubs after their branches (with a\n\
 570                            group size of -N), while a positive value allows\n\
 571                            two groups of input sections, one before, and one\n\
 572                            after each stub section.  Values of +/-1 indicate\n\
 573                            the linker should choose suitable defaults.\n"
 574                    ));
 575   fprintf (file, _("  --[no-]fix-cortex-a8        Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
 576 '
 577
 578 PARSE_AND_LIST_ARGS_CASES='
 579     case '\'p\'':
 580       /* Only here for backwards compatibility.  */
 581       break;
 582
 583     case OPTION_THUMB_ENTRY:
 584       thumb_entry_symbol = optarg;
 585       break;
 586
 587     case OPTION_BE8:
 588       byteswap_code = 1;
 589       break;
 590
 591     case OPTION_TARGET1_REL:
 592       target1_is_rel = 1;
 593       break;
 594
 595     case OPTION_TARGET1_ABS:
 596       target1_is_rel = 0;
 597       break;
 598
 599     case OPTION_TARGET2:
 600       target2_type = optarg;
 601       break;
 602
 603     case OPTION_FIX_V4BX:
 604       fix_v4bx = 1;
 605       break;
 606
 607     case OPTION_FIX_V4BX_INTERWORKING:
 608       fix_v4bx = 2;
 609       break;
 610
 611     case OPTION_USE_BLX:
 612       use_blx = 1;
 613       break;
 614
 615     case OPTION_VFP11_DENORM_FIX:
 616       if (strcmp (optarg, "none") == 0)
 617         vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
 618       else if (strcmp (optarg, "scalar") == 0)
 619         vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
 620       else if (strcmp (optarg, "vector") == 0)
 621         vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
 622       else
 623         einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg);
 624       break;
 625
 626     case OPTION_NO_ENUM_SIZE_WARNING:
 627       no_enum_size_warning = 1;
 628       break;
 629
 630     case OPTION_NO_WCHAR_SIZE_WARNING:
 631       no_wchar_size_warning = 1;
 632       break;
 633
 634     case OPTION_PIC_VENEER:
 635       pic_veneer = 1;
 636       break;
 637
 638     case OPTION_STUBGROUP_SIZE:
 639       {
 640         const char *end;
 641
 642         group_size = bfd_scan_vma (optarg, &end, 0);
 643         if (*end)
 644           einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
 645       }
 646       break;
 647
 648     case OPTION_FIX_CORTEX_A8:
 649       fix_cortex_a8 = 1;
 650       break;
 651
 652     case OPTION_NO_FIX_CORTEX_A8:
 653       fix_cortex_a8 = 0;
 654       break;
 655 '
 656
 657 # We have our own before_allocation etc. functions, but they call
 658 # the standard routines, so give them a different name.
 659 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
 660 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
 661 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
 662
 663 # Replace the elf before_parse function with our own.
 664 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
 665
 666 # Call the extra arm-elf function
 667 LDEMUL_FINISH=gld${EMULATION_NAME}_finish