aboutsummaryrefslogtreecommitdiff
path: root/ld/emultempl/beos.em
blob: fac0c893c6793108fbe2944d4ca934f05859c8e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
# This shell script emits a C file. -*- C -*-
# It does some substitutions.
if [ -z "$MACHINE" ]; then
  OUTPUT_ARCH=${ARCH}
else
  OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
fragment <<EOF
/* This file is part of GLD, the Gnu Linker.
   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008 Free Software Foundation, Inc.

   This file is part of the GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */


/* For WINDOWS_NT */
/* The original file generated returned different default scripts depending
   on whether certain switches were set, but these switches pertain to the
   Linux system and that particular version of coff.  In the NT case, we
   only determine if the subsystem is console or windows in order to select
   the correct entry point by default. */

#include "sysdep.h"
#include "bfd.h"
#include "bfdlink.h"
#include "getopt.h"
#include "libiberty.h"
#include "ld.h"
#include "ldmain.h"
#include "ldexp.h"
#include "ldlang.h"
#include "ldfile.h"
#include "ldemul.h"
#include <ldgram.h>
#include "ldlex.h"
#include "ldmisc.h"
#include "ldctor.h"
#include "coff/internal.h"
#include "../bfd/libcoff.h"

#define TARGET_IS_${EMULATION_NAME}

static struct internal_extra_pe_aouthdr pe;
static int dll;

extern const char *output_filename;

static void
gld_${EMULATION_NAME}_before_parse (void)
{
  ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
  output_filename = "a.exe";
}

/* PE format extra command line options.  */

/* Used for setting flags in the PE header. */
#define OPTION_BASE_FILE		(300  + 1)
#define OPTION_DLL			(OPTION_BASE_FILE + 1)
#define OPTION_FILE_ALIGNMENT		(OPTION_DLL + 1)
#define OPTION_IMAGE_BASE		(OPTION_FILE_ALIGNMENT + 1)
#define OPTION_MAJOR_IMAGE_VERSION	(OPTION_IMAGE_BASE + 1)
#define OPTION_MAJOR_OS_VERSION		(OPTION_MAJOR_IMAGE_VERSION + 1)
#define OPTION_MAJOR_SUBSYSTEM_VERSION	(OPTION_MAJOR_OS_VERSION + 1)
#define OPTION_MINOR_IMAGE_VERSION	(OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
#define OPTION_MINOR_OS_VERSION		(OPTION_MINOR_IMAGE_VERSION + 1)
#define OPTION_MINOR_SUBSYSTEM_VERSION	(OPTION_MINOR_OS_VERSION + 1)
#define OPTION_SECTION_ALIGNMENT	(OPTION_MINOR_SUBSYSTEM_VERSION + 1)
#define OPTION_STACK                    (OPTION_SECTION_ALIGNMENT + 1)
#define OPTION_SUBSYSTEM                (OPTION_STACK + 1)
#define OPTION_HEAP			(OPTION_SUBSYSTEM + 1)

static void
gld${EMULATION_NAME}_add_options
  (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
   struct option **longopts, int nrl ATTRIBUTE_UNUSED,
   struct option **really_longopts ATTRIBUTE_UNUSED)
{
  static const struct option xtra_long[] = {
    /* PE options */
    {"base-file", required_argument, NULL, OPTION_BASE_FILE},
    {"dll", no_argument, NULL, OPTION_DLL},
    {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
    {"heap", required_argument, NULL, OPTION_HEAP},
    {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
    {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
    {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
    {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
    {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
    {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
    {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
    {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
    {"stack", required_argument, NULL, OPTION_STACK},
    {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
    {NULL, no_argument, NULL, 0}
  };

  *longopts = (struct option *)
    xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
  memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
}


/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
   parameters which may be input from the command line */

typedef struct {
  void *ptr;
  int size;
  int value;
  char *symbol;
  int inited;
} definfo;

#define D(field,symbol,def)  {&pe.field,sizeof(pe.field), def, symbol,0}

static definfo init[] =
{
  /* imagebase must be first */
#define IMAGEBASEOFF 0
  D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
#define DLLOFF 1
  {&dll, sizeof(dll), 0, "__dll__", 0},
  D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
  D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
  D(MajorOperatingSystemVersion,"__major_os_version__", 4),
  D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
  D(MajorImageVersion,"__major_image_version__", 1),
  D(MinorImageVersion,"__minor_image_version__", 0),
  D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
  D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
  D(Subsystem,"__subsystem__", 3),
  D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
  D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
  D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
  D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
  D(LoaderFlags,"__loader_flags__", 0x0),
  { NULL, 0, 0, NULL, 0 }
};


static void
set_pe_name (char *name, long val)
{
  int i;
  /* Find the name and set it. */
  for (i = 0; init[i].ptr; i++)
    {
      if (strcmp (name, init[i].symbol) == 0)
	{
	  init[i].value = val;
	  init[i].inited = 1;
	  return;
	}
    }
  abort();
}


static void
set_pe_subsystem (void)
{
  const char *sver;
  int len;
  int i;
  static const struct
    {
      const char *name;
      const int value;
      const char *entry;
    }
  v[] =
    {
      { "native", 1, "_NtProcessStartup" },
      { "windows", 2, "_WinMainCRTStartup" },
      { "wwindows", 2, "_wWinMainCRTStartup" },
      { "console", 3, "_mainCRTStartup" },
      { "wconsole", 3, "_wmainCRTStartup" },
      { "posix", 7, "___PosixProcessStartup"},
      { 0, 0, 0 }
    };

  sver = strchr (optarg, ':');
  if (sver == NULL)
    len = strlen (optarg);
  else
    {
      char *end;

      len = sver - optarg;
      set_pe_name ("__major_subsystem_version__",
		   strtoul (sver + 1, &end, 0));
      if (*end == '.')
	set_pe_name ("__minor_subsystem_version__",
		     strtoul (end + 1, &end, 0));
      if (*end != '\0')
	einfo ("%P: warning: bad version number in -subsystem option\n");
    }

  for (i = 0; v[i].name; i++)
    {
      if (strncmp (optarg, v[i].name, len) == 0
	  && v[i].name[len] == '\0')
	{
	  set_pe_name ("__subsystem__", v[i].value);

	  /* If the subsystem is windows, we use a different entry
	     point.  */
	  lang_default_entry (v[i].entry);

	  return;
	}
    }
  einfo ("%P%F: invalid subsystem type %s\n", optarg);
}


static void
set_pe_value (char *name)
{
  char *end;
  set_pe_name (name,  strtoul (optarg, &end, 0));
  if (end == optarg)
    {
      einfo ("%P%F: invalid hex number for PE parameter '%s'\n", optarg);
    }

  optarg = end;
}

static void
set_pe_stack_heap (char *resname, char *comname)
{
  set_pe_value (resname);
  if (*optarg == ',')
    {
      optarg++;
      set_pe_value (comname);
    }
  else if (*optarg)
    {
      einfo ("%P%F: strange hex info for PE parameter '%s'\n", optarg);
    }
}


static bfd_boolean
gld${EMULATION_NAME}_handle_option (int optc)
{
  switch (optc)
    {
    default:
      return FALSE;

    case OPTION_BASE_FILE:
      link_info.base_file = fopen (optarg, FOPEN_WB);
      if (link_info.base_file == NULL)
	{
	  fprintf (stderr, "%s: Can't open base file %s\n",
		   program_name, optarg);
	  xexit (1);
	}
      break;

      /* PE options */
    case OPTION_HEAP:
      set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
      break;
    case OPTION_STACK:
      set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
      break;
    case OPTION_SUBSYSTEM:
      set_pe_subsystem ();
      break;
    case OPTION_MAJOR_OS_VERSION:
      set_pe_value ("__major_os_version__");
      break;
    case OPTION_MINOR_OS_VERSION:
      set_pe_value ("__minor_os_version__");
      break;
    case OPTION_MAJOR_SUBSYSTEM_VERSION:
      set_pe_value ("__major_subsystem_version__");
      break;
    case OPTION_MINOR_SUBSYSTEM_VERSION:
      set_pe_value ("__minor_subsystem_version__");
      break;
    case OPTION_MAJOR_IMAGE_VERSION:
      set_pe_value ("__major_image_version__");
      break;
    case OPTION_MINOR_IMAGE_VERSION:
      set_pe_value ("__minor_image_version__");
      break;
    case OPTION_FILE_ALIGNMENT:
      set_pe_value ("__file_alignment__");
      break;
    case OPTION_SECTION_ALIGNMENT:
      set_pe_value ("__section_alignment__");
      break;
    case OPTION_DLL:
      set_pe_name ("__dll__", 1);
      break;
    case OPTION_IMAGE_BASE:
      set_pe_value ("__image_base__");
      break;
    }
  return TRUE;
}

/* Assign values to the special symbols before the linker script is
   read.  */

static void
gld_${EMULATION_NAME}_set_symbols (void)
{
  /* Run through and invent symbols for all the
     names and insert the defaults. */
  int j;
  lang_statement_list_type *save;

  if (!init[IMAGEBASEOFF].inited)
    {
      if (link_info.relocatable)
	init[IMAGEBASEOFF].value = 0;
      else if (init[DLLOFF].value)
	init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
      else
	init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
    }

  /* Don't do any symbol assignments if this is a relocatable link.  */
  if (link_info.relocatable)
    return;

  /* Glue the assignments into the abs section */
  save = stat_ptr;

  stat_ptr = &(abs_output_section->children);

  for (j = 0; init[j].ptr; j++)
    {
      long val = init[j].value;
      lang_add_assignment (exp_assop ('=', init[j].symbol, exp_intop (val)));
      if (init[j].size == sizeof(short))
	*(short *)init[j].ptr = val;
      else if (init[j].size == sizeof(int))
	*(int *)init[j].ptr = val;
      else if (init[j].size == sizeof(long))
	*(long *)init[j].ptr = val;
      /* This might be a long long or other special type.  */
      else if (init[j].size == sizeof(bfd_vma))
	*(bfd_vma *)init[j].ptr = val;
      else	abort();
    }
  /* Restore the pointer. */
  stat_ptr = save;

  if (pe.FileAlignment >
      pe.SectionAlignment)
    {
      einfo ("%P: warning, file alignment > section alignment.\n");
    }
}

static void
gld_${EMULATION_NAME}_after_open (void)
{
  /* Pass the wacky PE command line options into the output bfd.
     FIXME: This should be done via a function, rather than by
     including an internal BFD header.  */
  if (!coff_data(link_info.output_bfd)->pe)
    {
      einfo ("%F%P: PE operations on non PE file.\n");
    }

  pe_data(link_info.output_bfd)->pe_opthdr = pe;
  pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;

}

/* Callback functions for qsort in sort_sections. */

static int
sort_by_file_name (const void *a, const void *b)
{
  const lang_statement_union_type *const *ra = a;
  const lang_statement_union_type *const *rb = b;
  int i, a_sec, b_sec;

  i = strcmp ((*ra)->input_section.section->owner->my_archive->filename,
	      (*rb)->input_section.section->owner->my_archive->filename);
  if (i != 0)
    return i;

  i = strcmp ((*ra)->input_section.section->owner->filename,
		 (*rb)->input_section.section->owner->filename);
  if (i != 0)
    return i;
  /* the tail idata4/5 are the only ones without relocs to an
     idata$6 section unless we are importing by ordinal,
     so sort them to last to terminate the IAT
     and HNT properly. if no reloc this one is import by ordinal
     so we have to sort by section contents */

  if ( ((*ra)->input_section.section->reloc_count + (*rb)->input_section.section->reloc_count) )
    {
       i =  (((*ra)->input_section.section->reloc_count >
		 (*rb)->input_section.section->reloc_count) ? -1 : 0);
       if ( i != 0)
         return i;

        return  (((*ra)->input_section.section->reloc_count >
		 (*rb)->input_section.section->reloc_count) ? 0 : 1);
    }
  else
    {
       if ( (strcmp( (*ra)->input_section.section->name, ".idata$6") == 0) )
          return 0; /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */

       if (! bfd_get_section_contents ((*ra)->input_section.section->owner,
         (*ra)->input_section.section, &a_sec, (file_ptr) 0, (bfd_size_type)sizeof(a_sec)))
            einfo ("%F%B: Can't read contents of section .idata: %E\n",
                 (*ra)->input_section.section->owner);

       if (! bfd_get_section_contents ((*rb)->input_section.section->owner,
        (*rb)->input_section.section, &b_sec, (file_ptr) 0, (bfd_size_type)sizeof(b_sec) ))
           einfo ("%F%B: Can't read contents of section .idata: %E\n",
                (*rb)->input_section.section->owner);

      i =  ((a_sec < b_sec) ? -1 : 0);
      if ( i != 0)
        return i;
      return  ((a_sec < b_sec) ? 0 : 1);
   }
return 0;
}

static int
sort_by_section_name (const void *a, const void *b)
{
  const lang_statement_union_type *const *ra = a;
  const lang_statement_union_type *const *rb = b;
  int i;
  i = strcmp ((*ra)->input_section.section->name,
	      (*rb)->input_section.section->name);
  /* This is a hack to make .stab and .stabstr last, so we don't have
     to fix strip/objcopy for .reloc sections.
     FIXME stripping images with a .rsrc section still needs to be fixed.  */
  if (i != 0)
    {
      if ((CONST_STRNEQ ((*ra)->input_section.section->name, ".stab"))
           && (! CONST_STRNEQ ((*rb)->input_section.section->name, ".stab")))
         return 1;
    }
  return i;
}

/* Subroutine of sort_sections to a contiguous subset of a list of sections.
   NEXT_AFTER is the element after the last one to sort.
   The result is a pointer to the last element's "next" pointer.  */

static lang_statement_union_type **
sort_sections_1 (lang_statement_union_type **startptr,
		 lang_statement_union_type *next_after,
		 int count,
		 int (*sort_func) (const void *, const void *))
{
  lang_statement_union_type **vec;
  lang_statement_union_type *p;
  int i;
  lang_statement_union_type **ret;

  if (count == 0)
    return startptr;

  vec = ((lang_statement_union_type **)
	 xmalloc (count * sizeof (lang_statement_union_type *)));

  for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
    vec[i] = p;

  qsort (vec, count, sizeof (vec[0]), sort_func);

  /* Fill in the next pointers again. */
  *startptr = vec[0];
  for (i = 0; i < count - 1; i++)
    vec[i]->header.next = vec[i + 1];
  vec[i]->header.next = next_after;
  ret = &vec[i]->header.next;
  free (vec);
  return ret;
}

/* Sort the .idata\$foo input sections of archives into filename order.
   The reason is so dlltool can arrange to have the pe dll import information
   generated correctly - the head of the list goes into dh.o, the tail into
   dt.o, and the guts into ds[nnnn].o.  Note that this is only needed for the
   .idata section.
   FIXME: This may no longer be necessary with grouped sections.  Instead of
   sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
   .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
   This would have to be elaborated upon to handle multiple dll's
   [assuming such an eloboration is possible of course].

   We also sort sections in '\$' wild statements.  These are created by the
   place_orphans routine to implement grouped sections.  */

static void
sort_sections (lang_statement_union_type *s)
{
  for (; s ; s = s->header.next)
    switch (s->header.type)
      {
      case lang_output_section_statement_enum:
	sort_sections (s->output_section_statement.children.head);
	break;
      case lang_wild_statement_enum:
	{
	  lang_statement_union_type **p = &s->wild_statement.children.head;
	  struct wildcard_list *sec;

	  for (sec = s->wild_statement.section_list; sec; sec = sec->next)
	    {
	      /* Is this the .idata section?  */
	      if (sec->spec.name != NULL
		  && CONST_STRNEQ (sec->spec.name, ".idata"))
		{
		  /* Sort the children.  We want to sort any objects in
		     the same archive.  In order to handle the case of
		     including a single archive multiple times, we sort
		     all the children by archive name and then by object
		     name.  After sorting them, we re-thread the pointer
		     chain.  */

		  while (*p)
		    {
		      lang_statement_union_type *start = *p;
		      if (start->header.type != lang_input_section_enum
			  || !start->input_section.section->owner->my_archive)
			p = &(start->header.next);
		      else
			{
			  lang_statement_union_type *end;
			  int count;

			  for (end = start, count = 0;
			       end && (end->header.type
				       == lang_input_section_enum);
			       end = end->header.next)
			    count++;

			  p = sort_sections_1 (p, end, count,
					       sort_by_file_name);
			}
		    }
		  break;
		}

	      /* If this is a collection of grouped sections, sort them.
		 The linker script must explicitly mention "*(.foo\$)" or
		 "*(.foo\$*)".  Don't sort them if \$ is not the last
		 character (not sure if this is really useful, but it
		 allows explicitly mentioning some \$ sections and letting
		 the linker handle the rest).  */
	      if (sec->spec.name != NULL)
		{
		  char *q = strchr (sec->spec.name, '\$');

		  if (q != NULL
		      && (q[1] == '\0'
			  || (q[1] == '*' && q[2] == '\0')))
		    {
		      lang_statement_union_type *end;
		      int count;

		      for (end = *p, count = 0; end; end = end->header.next)
			{
			  if (end->header.type != lang_input_section_enum)
			    abort ();
			  count++;
			}
		      (void) sort_sections_1 (p, end, count,
					      sort_by_section_name);
		    }
		  break;
		}
	    }
	}
	break;
      default:
	break;
      }
}

static void
gld_${EMULATION_NAME}_before_allocation (void)
{
  extern lang_statement_list_type *stat_ptr;

#ifdef TARGET_IS_ppcpe
  /* Here we rummage through the found bfds to collect toc information */
  {
    LANG_FOR_EACH_INPUT_STATEMENT (is)
      {
	if (!ppc_process_before_allocation(is->the_bfd, &link_info))
	  {
	    einfo("Errors encountered processing file %s\n", is->filename);
	  }
      }
  }

  /* We have seen it all. Allocate it, and carry on */
  ppc_allocate_toc_section (&link_info);
#else
#ifdef TARGET_IS_armpe
  /* FIXME: we should be able to set the size of the interworking stub
     section.

     Here we rummage through the found bfds to collect glue
     information.  FIXME: should this be based on a command line
     option?  krk@cygnus.com */
  {
    LANG_FOR_EACH_INPUT_STATEMENT (is)
      {
	if (!arm_process_before_allocation (is->the_bfd, & link_info))
	  {
	    einfo ("Errors encountered processing file %s", is->filename);
	  }
      }
  }

  /* We have seen it all. Allocate it, and carry on */
  arm_allocate_interworking_sections (& link_info);
#endif /* TARGET_IS_armpe */
#endif /* TARGET_IS_ppcpe */

  sort_sections (stat_ptr->head);

  before_allocation_default ();
}

/* Place an orphan section.  We use this to put sections with a '\$' in them
   into the right place.  Any section with a '\$' in them (e.g. .text\$foo)
   gets mapped to the output section with everything from the '\$' on stripped
   (e.g. .text).
   See the Microsoft Portable Executable and Common Object File Format
   Specification 4.1, section 4.2, Grouped Sections.

   FIXME: This is now handled by the linker script using wildcards,
   but I'm leaving this here in case we want to enable it for sections
   which are not mentioned in the linker script.  */

static bfd_boolean
gld${EMULATION_NAME}_place_orphan (asection *s)
{
  const char *secname;
  char *output_secname, *ps;
  lang_output_section_statement_type *os;
  lang_statement_union_type *l;

  if ((s->flags & SEC_ALLOC) == 0)
    return FALSE;

  /* Don't process grouped sections unless doing a final link.
     If they're marked as COMDAT sections, we don't want .text\$foo to
     end up in .text and then have .text disappear because it's marked
     link-once-discard.  */
  if (link_info.relocatable)
    return FALSE;

  secname = bfd_get_section_name (s->owner, s);

  /* Everything from the '\$' on gets deleted so don't allow '\$' as the
     first character.  */
  if (*secname == '\$')
    einfo ("%P%F: section %s has '\$' as first character\n", secname);
  if (strchr (secname + 1, '\$') == NULL)
    return FALSE;

  /* Look up the output section.  The Microsoft specs say sections names in
     image files never contain a '\$'.  Fortunately, lang_..._lookup creates
     the section if it doesn't exist.  */
  output_secname = xstrdup (secname);
  ps = strchr (output_secname + 1, '\$');
  *ps = 0;
  os = lang_output_section_statement_lookup (output_secname, 0, TRUE);

  /* Find the '\$' wild statement for this section.  We currently require the
     linker script to explicitly mention "*(.foo\$)".
     FIXME: ppcpe.sc has .CRT\$foo in the .rdata section.  According to the
     Microsoft docs this isn't correct so it's not (currently) handled.  */

  ps[0] = '\$';
  ps[1] = 0;
  for (l = os->children.head; l; l = l->header.next)
    if (l->header.type == lang_wild_statement_enum)
      {
	struct wildcard_list *sec;

	for (sec = l->wild_statement.section_list; sec; sec = sec->next)
	  if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
	    break;
	if (sec)
	  break;
      }
  ps[0] = 0;
  if (l == NULL)
    einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);

  /* Link the input section in and we're done for now.
     The sections still have to be sorted, but that has to wait until
     all such sections have been processed by us.  The sorting is done by
     sort_sections.  */
  lang_add_section (&l->wild_statement.children, s, os);

  return TRUE;
}

static char *
gld_${EMULATION_NAME}_get_script (int *isfile)
EOF
# Scripts compiled in.
# sed commands to quote an ld script as a C string.
sc="-f stringify.sed"

fragment <<EOF
{
  *isfile = 0;

  if (link_info.relocatable && config.build_constructors)
    return
EOF
sed $sc ldscripts/${EMULATION_NAME}.xu                 >> e${EMULATION_NAME}.c
echo '  ; else if (link_info.relocatable) return'     >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xr                 >> e${EMULATION_NAME}.c
echo '  ; else if (!config.text_read_only) return'     >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xbn                >> e${EMULATION_NAME}.c
echo '  ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xn                 >> e${EMULATION_NAME}.c
echo '  ; else return'                                 >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.x                  >> e${EMULATION_NAME}.c
echo '; }'                                             >> e${EMULATION_NAME}.c

fragment <<EOF


struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
{
  gld_${EMULATION_NAME}_before_parse,
  syslib_default,
  hll_default,
  after_parse_default,
  gld_${EMULATION_NAME}_after_open,
  after_allocation_default,
  set_output_arch_default,
  ldemul_default_target,
  gld_${EMULATION_NAME}_before_allocation,
  gld_${EMULATION_NAME}_get_script,
  "${EMULATION_NAME}",
  "${OUTPUT_FORMAT}",
  finish_default,
  NULL, /* create output section statements */
  NULL, /* open dynamic archive */
  gld${EMULATION_NAME}_place_orphan,
  gld_${EMULATION_NAME}_set_symbols,
  NULL, /* parse_args */
  gld${EMULATION_NAME}_add_options,
  gld${EMULATION_NAME}_handle_option,
  NULL,	/* unrecognized file */
  NULL,	/* list options */
  NULL,	/* recognized file */
  NULL,	/* find_potential_libraries */
  NULL	/* new_vers_pattern */
};
EOF