ld/emultempl/beos.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 if [ -z "$MACHINE" ]; then
   4   OUTPUT_ARCH=${ARCH}
   5 else
   6   OUTPUT_ARCH=${ARCH}:${MACHINE}
   7 fi
   8 fragment <<EOF
   9 /* This file is part of GLD, the Gnu Linker.
  10    Copyright (C) 1995-2019 Free Software Foundation, Inc.
  11
  12    This file is part of the GNU Binutils.
  13
  14    This program is free software; you can redistribute it and/or modify
  15    it under the terms of the GNU General Public License as published by
  16    the Free Software Foundation; either version 3 of the License, or
  17    (at your option) any later version.
  18
  19    This program is distributed in the hope that it will be useful,
  20    but WITHOUT ANY WARRANTY; without even the implied warranty of
  21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22    GNU General Public License for more details.
  23
  24    You should have received a copy of the GNU General Public License
  25    along with this program; if not, write to the Free Software
  26    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  27    MA 02110-1301, USA.  */
  28
  29
  30 /* For WINDOWS_NT */
  31 /* The original file generated returned different default scripts depending
  32    on whether certain switches were set, but these switches pertain to the
  33    Linux system and that particular version of coff.  In the NT case, we
  34    only determine if the subsystem is console or windows in order to select
  35    the correct entry point by default. */
  36
  37 #include "sysdep.h"
  38 #include "bfd.h"
  39 #include "bfdlink.h"
  40 #include "getopt.h"
  41 #include "libiberty.h"
  42 #include "filenames.h"
  43 #include "ld.h"
  44 #include "ldmain.h"
  45 #include "ldexp.h"
  46 #include "ldlang.h"
  47 #include "ldfile.h"
  48 #include "ldemul.h"
  49 #include <ldgram.h>
  50 #include "ldlex.h"
  51 #include "ldmisc.h"
  52 #include "ldctor.h"
  53 #include "coff/internal.h"
  54 #include "../bfd/libcoff.h"
  55
  56 #define TARGET_IS_${EMULATION_NAME}
  57
  58 static struct internal_extra_pe_aouthdr pe;
  59 static int dll;
  60
  61 extern const char *output_filename;
  62
  63 static void
  64 gld_${EMULATION_NAME}_before_parse (void)
  65 {
  66   ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
  67   output_filename = "a.exe";
  68 }
  69 \f
  70 /* PE format extra command line options.  */
  71
  72 /* Used for setting flags in the PE header. */
  73 #define OPTION_BASE_FILE                (300  + 1)
  74 #define OPTION_DLL                      (OPTION_BASE_FILE + 1)
  75 #define OPTION_FILE_ALIGNMENT           (OPTION_DLL + 1)
  76 #define OPTION_IMAGE_BASE               (OPTION_FILE_ALIGNMENT + 1)
  77 #define OPTION_MAJOR_IMAGE_VERSION      (OPTION_IMAGE_BASE + 1)
  78 #define OPTION_MAJOR_OS_VERSION         (OPTION_MAJOR_IMAGE_VERSION + 1)
  79 #define OPTION_MAJOR_SUBSYSTEM_VERSION  (OPTION_MAJOR_OS_VERSION + 1)
  80 #define OPTION_MINOR_IMAGE_VERSION      (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
  81 #define OPTION_MINOR_OS_VERSION         (OPTION_MINOR_IMAGE_VERSION + 1)
  82 #define OPTION_MINOR_SUBSYSTEM_VERSION  (OPTION_MINOR_OS_VERSION + 1)
  83 #define OPTION_SECTION_ALIGNMENT        (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
  84 #define OPTION_STACK                    (OPTION_SECTION_ALIGNMENT + 1)
  85 #define OPTION_SUBSYSTEM                (OPTION_STACK + 1)
  86 #define OPTION_HEAP                     (OPTION_SUBSYSTEM + 1)
  87
  88 static void
  89 gld${EMULATION_NAME}_add_options
  90   (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
  91    struct option **longopts, int nrl ATTRIBUTE_UNUSED,
  92    struct option **really_longopts ATTRIBUTE_UNUSED)
  93 {
  94   static const struct option xtra_long[] = {
  95     /* PE options */
  96     {"base-file", required_argument, NULL, OPTION_BASE_FILE},
  97     {"dll", no_argument, NULL, OPTION_DLL},
  98     {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
  99     {"heap", required_argument, NULL, OPTION_HEAP},
 100     {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
 101     {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
 102     {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
 103     {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
 104     {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
 105     {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
 106     {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
 107     {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
 108     {"stack", required_argument, NULL, OPTION_STACK},
 109     {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
 110     {NULL, no_argument, NULL, 0}
 111   };
 112
 113   *longopts = (struct option *)
 114     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
 115   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
 116 }
 117
 118
 119 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
 120    parameters which may be input from the command line */
 121
 122 typedef struct {
 123   void *ptr;
 124   int size;
 125   int value;
 126   char *symbol;
 127   int inited;
 128 } definfo;
 129
 130 #define D(field,symbol,def)  {&pe.field,sizeof(pe.field), def, symbol,0}
 131
 132 static definfo init[] =
 133 {
 134   /* imagebase must be first */
 135 #define IMAGEBASEOFF 0
 136   D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
 137 #define DLLOFF 1
 138   {&dll, sizeof(dll), 0, "__dll__", 0},
 139   D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
 140   D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
 141   D(MajorOperatingSystemVersion,"__major_os_version__", 4),
 142   D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
 143   D(MajorImageVersion,"__major_image_version__", 1),
 144   D(MinorImageVersion,"__minor_image_version__", 0),
 145   D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
 146   D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
 147   D(Subsystem,"__subsystem__", 3),
 148   D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
 149   D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
 150   D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
 151   D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
 152   D(LoaderFlags,"__loader_flags__", 0x0),
 153   { NULL, 0, 0, NULL, 0 }
 154 };
 155
 156
 157 static void
 158 set_pe_name (char *name, long val)
 159 {
 160   int i;
 161   /* Find the name and set it. */
 162   for (i = 0; init[i].ptr; i++)
 163     {
 164       if (strcmp (name, init[i].symbol) == 0)
 165         {
 166           init[i].value = val;
 167           init[i].inited = 1;
 168           return;
 169         }
 170     }
 171   abort();
 172 }
 173
 174
 175 static void
 176 set_pe_subsystem (void)
 177 {
 178   const char *sver;
 179   int len;
 180   int i;
 181   static const struct
 182     {
 183       const char *name;
 184       const int value;
 185       const char *entry;
 186     }
 187   v[] =
 188     {
 189       { "native", 1, "_NtProcessStartup" },
 190       { "windows", 2, "_WinMainCRTStartup" },
 191       { "wwindows", 2, "_wWinMainCRTStartup" },
 192       { "console", 3, "_mainCRTStartup" },
 193       { "wconsole", 3, "_wmainCRTStartup" },
 194       { "posix", 7, "___PosixProcessStartup"},
 195       { 0, 0, 0 }
 196     };
 197
 198   sver = strchr (optarg, ':');
 199   if (sver == NULL)
 200     len = strlen (optarg);
 201   else
 202     {
 203       char *end;
 204
 205       len = sver - optarg;
 206       set_pe_name ("__major_subsystem_version__",
 207                    strtoul (sver + 1, &end, 0));
 208       if (*end == '.')
 209         set_pe_name ("__minor_subsystem_version__",
 210                      strtoul (end + 1, &end, 0));
 211       if (*end != '\0')
 212         einfo (_("%P: warning: bad version number in -subsystem option\n"));
 213     }
 214
 215   for (i = 0; v[i].name; i++)
 216     {
 217       if (strncmp (optarg, v[i].name, len) == 0
 218           && v[i].name[len] == '\0')
 219         {
 220           set_pe_name ("__subsystem__", v[i].value);
 221
 222           /* If the subsystem is windows, we use a different entry
 223              point.  */
 224           lang_default_entry (v[i].entry);
 225
 226           return;
 227         }
 228     }
 229   einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
 230 }
 231
 232
 233 static void
 234 set_pe_value (char *name)
 235 {
 236   char *end;
 237   set_pe_name (name,  strtoul (optarg, &end, 0));
 238   if (end == optarg)
 239     {
 240       einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
 241     }
 242
 243   optarg = end;
 244 }
 245
 246 static void
 247 set_pe_stack_heap (char *resname, char *comname)
 248 {
 249   set_pe_value (resname);
 250   if (*optarg == ',')
 251     {
 252       optarg++;
 253       set_pe_value (comname);
 254     }
 255   else if (*optarg)
 256     {
 257       einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
 258     }
 259 }
 260
 261
 262 static bfd_boolean
 263 gld${EMULATION_NAME}_handle_option (int optc)
 264 {
 265   switch (optc)
 266     {
 267     default:
 268       return FALSE;
 269
 270     case OPTION_BASE_FILE:
 271       link_info.base_file = fopen (optarg, FOPEN_WB);
 272       if (link_info.base_file == NULL)
 273         einfo (_("%F%P: cannot open base file %s\n"), optarg);
 274       break;
 275
 276       /* PE options */
 277     case OPTION_HEAP:
 278       set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
 279       break;
 280     case OPTION_STACK:
 281       set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
 282       break;
 283     case OPTION_SUBSYSTEM:
 284       set_pe_subsystem ();
 285       break;
 286     case OPTION_MAJOR_OS_VERSION:
 287       set_pe_value ("__major_os_version__");
 288       break;
 289     case OPTION_MINOR_OS_VERSION:
 290       set_pe_value ("__minor_os_version__");
 291       break;
 292     case OPTION_MAJOR_SUBSYSTEM_VERSION:
 293       set_pe_value ("__major_subsystem_version__");
 294       break;
 295     case OPTION_MINOR_SUBSYSTEM_VERSION:
 296       set_pe_value ("__minor_subsystem_version__");
 297       break;
 298     case OPTION_MAJOR_IMAGE_VERSION:
 299       set_pe_value ("__major_image_version__");
 300       break;
 301     case OPTION_MINOR_IMAGE_VERSION:
 302       set_pe_value ("__minor_image_version__");
 303       break;
 304     case OPTION_FILE_ALIGNMENT:
 305       set_pe_value ("__file_alignment__");
 306       break;
 307     case OPTION_SECTION_ALIGNMENT:
 308       set_pe_value ("__section_alignment__");
 309       break;
 310     case OPTION_DLL:
 311       set_pe_name ("__dll__", 1);
 312       break;
 313     case OPTION_IMAGE_BASE:
 314       set_pe_value ("__image_base__");
 315       break;
 316     }
 317   return TRUE;
 318 }
 319 \f
 320 /* Assign values to the special symbols before the linker script is
 321    read.  */
 322
 323 static void
 324 gld_${EMULATION_NAME}_set_symbols (void)
 325 {
 326   /* Run through and invent symbols for all the
 327      names and insert the defaults. */
 328   int j;
 329
 330   if (!init[IMAGEBASEOFF].inited)
 331     {
 332       if (bfd_link_relocatable (&link_info))
 333         init[IMAGEBASEOFF].value = 0;
 334       else if (init[DLLOFF].value)
 335         init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
 336       else
 337         init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
 338     }
 339
 340   /* Don't do any symbol assignments if this is a relocatable link.  */
 341   if (bfd_link_relocatable (&link_info))
 342     return;
 343
 344   /* Glue the assignments into the abs section */
 345   push_stat_ptr (&abs_output_section->children);
 346
 347   for (j = 0; init[j].ptr; j++)
 348     {
 349       long val = init[j].value;
 350       lang_add_assignment (exp_assign (init[j].symbol, exp_intop (val),
 351                                        FALSE));
 352       if (init[j].size == sizeof(short))
 353         *(short *)init[j].ptr = val;
 354       else if (init[j].size == sizeof(int))
 355         *(int *)init[j].ptr = val;
 356       else if (init[j].size == sizeof(long))
 357         *(long *)init[j].ptr = val;
 358       /* This might be a long long or other special type.  */
 359       else if (init[j].size == sizeof(bfd_vma))
 360         *(bfd_vma *)init[j].ptr = val;
 361       else      abort();
 362     }
 363   /* Restore the pointer. */
 364   pop_stat_ptr ();
 365
 366   if (pe.FileAlignment >
 367       pe.SectionAlignment)
 368     {
 369       einfo (_("%P: warning, file alignment > section alignment\n"));
 370     }
 371 }
 372
 373 static void
 374 gld_${EMULATION_NAME}_after_open (void)
 375 {
 376   after_open_default ();
 377
 378   /* Pass the wacky PE command line options into the output bfd.
 379      FIXME: This should be done via a function, rather than by
 380      including an internal BFD header.  */
 381   if (!coff_data(link_info.output_bfd)->pe)
 382     {
 383       einfo (_("%F%P: PE operations on non PE file\n"));
 384     }
 385
 386   pe_data(link_info.output_bfd)->pe_opthdr = pe;
 387   pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
 388
 389 }
 390 \f
 391 /* Callback functions for qsort in sort_sections. */
 392
 393 static int
 394 sort_by_file_name (const void *a, const void *b)
 395 {
 396   const lang_input_section_type *const *ra = a;
 397   const lang_input_section_type *const *rb = b;
 398   asection *sa = (*ra)->section;
 399   asection *sb = (*rb)->section;
 400   int i, a_sec, b_sec;
 401
 402   i = filename_cmp (sa->owner->my_archive->filename,
 403                     sb->owner->my_archive->filename);
 404   if (i != 0)
 405     return i;
 406
 407   i = filename_cmp (sa->owner->filename, sb->owner->filename);
 408   if (i != 0)
 409     return i;
 410   /* the tail idata4/5 are the only ones without relocs to an
 411      idata$6 section unless we are importing by ordinal,
 412      so sort them to last to terminate the IAT
 413      and HNT properly. if no reloc this one is import by ordinal
 414      so we have to sort by section contents */
 415
 416   if (sa->reloc_count + sb->reloc_count != 0)
 417     {
 418       i = sa->reloc_count > sb->reloc_count ? -1 : 0;
 419       if (i != 0)
 420         return i;
 421
 422       return sa->reloc_count > sb->reloc_count ? 0 : 1;
 423     }
 424   else
 425     {
 426       /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
 427       if ((strcmp (sa->name, ".idata$6") == 0))
 428         return 0;
 429
 430       if (!bfd_get_section_contents (sa->owner, sa, &a_sec, (file_ptr) 0,
 431                                      (bfd_size_type) sizeof (a_sec)))
 432         einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
 433                sa->owner);
 434
 435       if (!bfd_get_section_contents (sb->owner, sb, &b_sec, (file_ptr) 0,
 436                                      (bfd_size_type) sizeof (b_sec)))
 437         einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
 438                sb->owner);
 439
 440       i = a_sec < b_sec ? -1 : 0;
 441       if (i != 0)
 442         return i;
 443       return a_sec < b_sec ? 0 : 1;
 444     }
 445   return 0;
 446 }
 447
 448 static int
 449 sort_by_section_name (const void *a, const void *b)
 450 {
 451   const lang_input_section_type *const *ra = a;
 452   const lang_input_section_type *const *rb = b;
 453   const char *sna = (*ra)->section->name;
 454   const char *snb = (*rb)->section->name;
 455   int i;
 456   i = strcmp (sna, snb);
 457   /* This is a hack to make .stab and .stabstr last, so we don't have
 458      to fix strip/objcopy for .reloc sections.
 459      FIXME stripping images with a .rsrc section still needs to be fixed.  */
 460   if (i != 0)
 461     {
 462       if ((CONST_STRNEQ (sna, ".stab"))
 463           && (!CONST_STRNEQ (snb, ".stab")))
 464         return 1;
 465     }
 466   return i;
 467 }
 468
 469 /* Subroutine of sort_sections to a contiguous subset of a list of sections.
 470    NEXT_AFTER is the element after the last one to sort.
 471    The result is a pointer to the last element's "next" pointer.  */
 472
 473 static lang_statement_union_type **
 474 sort_sections_1 (lang_statement_union_type **startptr,
 475                  lang_statement_union_type *next_after,
 476                  int count,
 477                  int (*sort_func) (const void *, const void *))
 478 {
 479   lang_statement_union_type **vec;
 480   lang_statement_union_type *p;
 481   int i;
 482   lang_statement_union_type **ret;
 483
 484   if (count == 0)
 485     return startptr;
 486
 487   vec = ((lang_statement_union_type **)
 488          xmalloc (count * sizeof (lang_statement_union_type *)));
 489
 490   for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
 491     vec[i] = p;
 492
 493   qsort (vec, count, sizeof (vec[0]), sort_func);
 494
 495   /* Fill in the next pointers again. */
 496   *startptr = vec[0];
 497   for (i = 0; i < count - 1; i++)
 498     vec[i]->header.next = vec[i + 1];
 499   vec[i]->header.next = next_after;
 500   ret = &vec[i]->header.next;
 501   free (vec);
 502   return ret;
 503 }
 504
 505 /* Sort the .idata\$foo input sections of archives into filename order.
 506    The reason is so dlltool can arrange to have the pe dll import information
 507    generated correctly - the head of the list goes into dh.o, the tail into
 508    dt.o, and the guts into ds[nnnn].o.  Note that this is only needed for the
 509    .idata section.
 510    FIXME: This may no longer be necessary with grouped sections.  Instead of
 511    sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
 512    .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
 513    This would have to be elaborated upon to handle multiple dll's
 514    [assuming such an eloboration is possible of course].
 515
 516    We also sort sections in '\$' wild statements.  These are created by the
 517    place_orphans routine to implement grouped sections.  */
 518
 519 static void
 520 sort_sections (lang_statement_union_type *s)
 521 {
 522   for (; s ; s = s->header.next)
 523     switch (s->header.type)
 524       {
 525       case lang_output_section_statement_enum:
 526         sort_sections (s->output_section_statement.children.head);
 527         break;
 528       case lang_wild_statement_enum:
 529         {
 530           lang_statement_union_type **p = &s->wild_statement.children.head;
 531           struct wildcard_list *sec;
 532
 533           for (sec = s->wild_statement.section_list; sec; sec = sec->next)
 534             {
 535               /* Is this the .idata section?  */
 536               if (sec->spec.name != NULL
 537                   && CONST_STRNEQ (sec->spec.name, ".idata"))
 538                 {
 539                   /* Sort the children.  We want to sort any objects in
 540                      the same archive.  In order to handle the case of
 541                      including a single archive multiple times, we sort
 542                      all the children by archive name and then by object
 543                      name.  After sorting them, we re-thread the pointer
 544                      chain.  */
 545
 546                   while (*p)
 547                     {
 548                       lang_statement_union_type *start = *p;
 549                       if (start->header.type != lang_input_section_enum
 550                           || !start->input_section.section->owner->my_archive)
 551                         p = &(start->header.next);
 552                       else
 553                         {
 554                           lang_statement_union_type *end;
 555                           int count;
 556
 557                           for (end = start, count = 0;
 558                                end && (end->header.type
 559                                        == lang_input_section_enum);
 560                                end = end->header.next)
 561                             count++;
 562
 563                           p = sort_sections_1 (p, end, count,
 564                                                sort_by_file_name);
 565                         }
 566                     }
 567                   break;
 568                 }
 569
 570               /* If this is a collection of grouped sections, sort them.
 571                  The linker script must explicitly mention "*(.foo\$)" or
 572                  "*(.foo\$*)".  Don't sort them if \$ is not the last
 573                  character (not sure if this is really useful, but it
 574                  allows explicitly mentioning some \$ sections and letting
 575                  the linker handle the rest).  */
 576               if (sec->spec.name != NULL)
 577                 {
 578                   char *q = strchr (sec->spec.name, '\$');
 579
 580                   if (q != NULL
 581                       && (q[1] == '\0'
 582                           || (q[1] == '*' && q[2] == '\0')))
 583                     {
 584                       lang_statement_union_type *end;
 585                       int count;
 586
 587                       for (end = *p, count = 0; end; end = end->header.next)
 588                         {
 589                           if (end->header.type != lang_input_section_enum)
 590                             abort ();
 591                           count++;
 592                         }
 593                       (void) sort_sections_1 (p, end, count,
 594                                               sort_by_section_name);
 595                     }
 596                   break;
 597                 }
 598             }
 599         }
 600         break;
 601       default:
 602         break;
 603       }
 604 }
 605
 606 static void
 607 gld_${EMULATION_NAME}_before_allocation (void)
 608 {
 609 #ifdef TARGET_IS_ppcpe
 610   /* Here we rummage through the found bfds to collect toc information */
 611   {
 612     LANG_FOR_EACH_INPUT_STATEMENT (is)
 613     {
 614       if (!ppc_process_before_allocation(is->the_bfd, &link_info))
 615         {
 616           einfo (_("%P: errors encountered processing file %s\n"),
 617                  is->filename);
 618         }
 619     }
 620   }
 621
 622   /* We have seen it all. Allocate it, and carry on */
 623   ppc_allocate_toc_section (&link_info);
 624 #else
 625 #ifdef TARGET_IS_armpe
 626   /* FIXME: we should be able to set the size of the interworking stub
 627      section.
 628
 629      Here we rummage through the found bfds to collect glue
 630      information.  FIXME: should this be based on a command line
 631      option?  krk@cygnus.com */
 632   {
 633     LANG_FOR_EACH_INPUT_STATEMENT (is)
 634     {
 635       if (!arm_process_before_allocation (is->the_bfd, & link_info))
 636         {
 637           einfo (_("%P: errors encountered processing file %s\n"),
 638                  is->filename);
 639         }
 640     }
 641   }
 642
 643   /* We have seen it all. Allocate it, and carry on */
 644   arm_allocate_interworking_sections (& link_info);
 645 #endif /* TARGET_IS_armpe */
 646 #endif /* TARGET_IS_ppcpe */
 647
 648   sort_sections (stat_ptr->head);
 649
 650   before_allocation_default ();
 651 }
 652 \f
 653 /* Place an orphan section.  We use this to put sections with a '\$' in them
 654    into the right place.  Any section with a '\$' in them (e.g. .text\$foo)
 655    gets mapped to the output section with everything from the '\$' on stripped
 656    (e.g. .text).
 657    See the Microsoft Portable Executable and Common Object File Format
 658    Specification 4.1, section 4.2, Grouped Sections.
 659
 660    FIXME: This is now handled by the linker script using wildcards,
 661    but I'm leaving this here in case we want to enable it for sections
 662    which are not mentioned in the linker script.  */
 663
 664 static lang_output_section_statement_type *
 665 gld${EMULATION_NAME}_place_orphan (asection *s,
 666                                    const char *secname,
 667                                    int constraint)
 668 {
 669   char *output_secname, *ps;
 670   lang_output_section_statement_type *os;
 671   lang_statement_union_type *l;
 672
 673   if ((s->flags & SEC_ALLOC) == 0)
 674     return NULL;
 675
 676   /* Don't process grouped sections unless doing a final link.
 677      If they're marked as COMDAT sections, we don't want .text\$foo to
 678      end up in .text and then have .text disappear because it's marked
 679      link-once-discard.  */
 680   if (bfd_link_relocatable (&link_info))
 681     return NULL;
 682
 683   /* Everything from the '\$' on gets deleted so don't allow '\$' as the
 684      first character.  */
 685   if (*secname == '\$')
 686     einfo (_("%F%P: section %s has '\$' as first character\n"), secname);
 687   if (strchr (secname + 1, '\$') == NULL)
 688     return NULL;
 689
 690   /* Look up the output section.  The Microsoft specs say sections names in
 691      image files never contain a '\$'.  Fortunately, lang_..._lookup creates
 692      the section if it doesn't exist.  */
 693   output_secname = xstrdup (secname);
 694   ps = strchr (output_secname + 1, '\$');
 695   *ps = 0;
 696   os = lang_output_section_statement_lookup (output_secname, constraint, TRUE);
 697
 698   /* Find the '\$' wild statement for this section.  We currently require the
 699      linker script to explicitly mention "*(.foo\$)".
 700      FIXME: ppcpe.sc has .CRT\$foo in the .rdata section.  According to the
 701      Microsoft docs this isn't correct so it's not (currently) handled.  */
 702
 703   ps[0] = '\$';
 704   ps[1] = 0;
 705   for (l = os->children.head; l; l = l->header.next)
 706     if (l->header.type == lang_wild_statement_enum)
 707       {
 708         struct wildcard_list *sec;
 709
 710         for (sec = l->wild_statement.section_list; sec; sec = sec->next)
 711           if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
 712             break;
 713         if (sec)
 714           break;
 715       }
 716   ps[0] = 0;
 717   if (l == NULL)
 718     einfo (_("%F%P: *(%s\$) missing from linker script\n"), output_secname);
 719
 720   /* Link the input section in and we're done for now.
 721      The sections still have to be sorted, but that has to wait until
 722      all such sections have been processed by us.  The sorting is done by
 723      sort_sections.  */
 724   lang_add_section (&l->wild_statement.children, s, NULL, os);
 725
 726   return os;
 727 }
 728 \f
 729 static char *
 730 gld_${EMULATION_NAME}_get_script (int *isfile)
 731 EOF
 732 # Scripts compiled in.
 733 # sed commands to quote an ld script as a C string.
 734 sc="-f stringify.sed"
 735
 736 fragment <<EOF
 737 {
 738   *isfile = 0;
 739
 740   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 741     return
 742 EOF
 743 sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
 744 echo '  ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
 745 sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
 746 echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
 747 sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
 748 echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
 749 sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
 750 echo '  ; else return'                                 >> e${EMULATION_NAME}.c
 751 sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
 752 echo '; }'                                             >> e${EMULATION_NAME}.c
 753
 754 fragment <<EOF
 755
 756
 757 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 758 {
 759   gld_${EMULATION_NAME}_before_parse,
 760   syslib_default,
 761   hll_default,
 762   after_parse_default,
 763   gld_${EMULATION_NAME}_after_open,
 764   after_check_relocs_default,
 765   after_allocation_default,
 766   set_output_arch_default,
 767   ldemul_default_target,
 768   gld_${EMULATION_NAME}_before_allocation,
 769   gld_${EMULATION_NAME}_get_script,
 770   "${EMULATION_NAME}",
 771   "${OUTPUT_FORMAT}",
 772   finish_default,
 773   NULL, /* create output section statements */
 774   NULL, /* open dynamic archive */
 775   gld${EMULATION_NAME}_place_orphan,
 776   gld_${EMULATION_NAME}_set_symbols,
 777   NULL, /* parse_args */
 778   gld${EMULATION_NAME}_add_options,
 779   gld${EMULATION_NAME}_handle_option,
 780   NULL, /* unrecognized file */
 781   NULL, /* list options */
 782   NULL, /* recognized file */
 783   NULL, /* find_potential_libraries */
 784   NULL, /* new_vers_pattern */
 785   NULL  /* extra_map_file_text */
 786 };
 787 EOF