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252b5132
RH
1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
9b5799b8 3if [ -z "$MACHINE" ]; then
86af25fe
L
4 OUTPUT_ARCH=${ARCH}
5else
6 OUTPUT_ARCH=${ARCH}:${MACHINE}
7fi
92b93329 8fragment <<EOF
252b5132 9/* This file is part of GLD, the Gnu Linker.
250d07de 10 Copyright (C) 1995-2021 Free Software Foundation, Inc.
252b5132 11
f96b4a7b
NC
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
252b5132
RH
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
9b5799b8
AJ
35 the correct entry point by default. */
36
252b5132 37#include "sysdep.h"
3db64b00 38#include "bfd.h"
252b5132 39#include "bfdlink.h"
1ff6de03 40#include "ctf-api.h"
252b5132
RH
41#include "getopt.h"
42#include "libiberty.h"
42627821 43#include "filenames.h"
252b5132
RH
44#include "ld.h"
45#include "ldmain.h"
252b5132
RH
46#include "ldexp.h"
47#include "ldlang.h"
b71e2778 48#include "ldfile.h"
252b5132 49#include "ldemul.h"
df2a7313 50#include <ldgram.h>
252b5132
RH
51#include "ldlex.h"
52#include "ldmisc.h"
53#include "ldctor.h"
252b5132
RH
54#include "coff/internal.h"
55#include "../bfd/libcoff.h"
56
57#define TARGET_IS_${EMULATION_NAME}
58
252b5132
RH
59static struct internal_extra_pe_aouthdr pe;
60static int dll;
61
62extern const char *output_filename;
63
64static void
0c7a8e5a 65gld_${EMULATION_NAME}_before_parse (void)
252b5132 66{
5e2f1575 67 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 68 output_filename = "a.exe";
252b5132
RH
69}
70\f
71/* PE format extra command line options. */
72
73/* Used for setting flags in the PE header. */
74#define OPTION_BASE_FILE (300 + 1)
75#define OPTION_DLL (OPTION_BASE_FILE + 1)
76#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
77#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
78#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
79#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
80#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
81#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
82#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
83#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
84#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
6c19b93b
AM
85#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
86#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
87#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
88
3bcf5557 89static void
0c7a8e5a
AM
90gld${EMULATION_NAME}_add_options
91 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
92 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
93 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557
AM
94{
95 static const struct option xtra_long[] = {
96 /* PE options */
252b5132
RH
97 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
98 {"dll", no_argument, NULL, OPTION_DLL},
99 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
9b5799b8
AJ
100 {"heap", required_argument, NULL, OPTION_HEAP},
101 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
252b5132
RH
102 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
103 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
104 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
105 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
106 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
107 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
108 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
109 {"stack", required_argument, NULL, OPTION_STACK},
110 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
3bcf5557 111 {NULL, no_argument, NULL, 0}
252b5132
RH
112 };
113
3bcf5557
AM
114 *longopts = (struct option *)
115 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
116 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
117}
118
252b5132
RH
119
120/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
121 parameters which may be input from the command line */
122
123typedef struct {
124 void *ptr;
125 int size;
126 int value;
127 char *symbol;
128 int inited;
129} definfo;
130
131#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
132
133static definfo init[] =
134{
135 /* imagebase must be first */
136#define IMAGEBASEOFF 0
137 D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
138#define DLLOFF 1
ff7e6f88 139 {&dll, sizeof(dll), 0, "__dll__", 0},
252b5132
RH
140 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
141 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
142 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
143 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
144 D(MajorImageVersion,"__major_image_version__", 1),
145 D(MinorImageVersion,"__minor_image_version__", 0),
146 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
147 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
148 D(Subsystem,"__subsystem__", 3),
149 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
150 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
151 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
152 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
153 D(LoaderFlags,"__loader_flags__", 0x0),
154 { NULL, 0, 0, NULL, 0 }
155};
156
157
158static void
0c7a8e5a 159set_pe_name (char *name, long val)
252b5132
RH
160{
161 int i;
162 /* Find the name and set it. */
163 for (i = 0; init[i].ptr; i++)
164 {
165 if (strcmp (name, init[i].symbol) == 0)
166 {
167 init[i].value = val;
168 init[i].inited = 1;
169 return;
170 }
171 }
172 abort();
173}
174
175
176static void
0c7a8e5a 177set_pe_subsystem (void)
252b5132
RH
178{
179 const char *sver;
180 int len;
181 int i;
9b5799b8 182 static const struct
252b5132
RH
183 {
184 const char *name;
185 const int value;
186 const char *entry;
187 }
188 v[] =
189 {
190 { "native", 1, "_NtProcessStartup" },
191 { "windows", 2, "_WinMainCRTStartup" },
192 { "wwindows", 2, "_wWinMainCRTStartup" },
193 { "console", 3, "_mainCRTStartup" },
194 { "wconsole", 3, "_wmainCRTStartup" },
252b5132
RH
195 { "posix", 7, "___PosixProcessStartup"},
196 { 0, 0, 0 }
197 };
198
199 sver = strchr (optarg, ':');
200 if (sver == NULL)
201 len = strlen (optarg);
202 else
203 {
204 char *end;
205
206 len = sver - optarg;
207 set_pe_name ("__major_subsystem_version__",
208 strtoul (sver + 1, &end, 0));
209 if (*end == '.')
210 set_pe_name ("__minor_subsystem_version__",
211 strtoul (end + 1, &end, 0));
212 if (*end != '\0')
d003af55 213 einfo (_("%P: warning: bad version number in -subsystem option\n"));
252b5132
RH
214 }
215
216 for (i = 0; v[i].name; i++)
217 {
218 if (strncmp (optarg, v[i].name, len) == 0
219 && v[i].name[len] == '\0')
220 {
221 set_pe_name ("__subsystem__", v[i].value);
222
223 /* If the subsystem is windows, we use a different entry
a359509e
ZW
224 point. */
225 lang_default_entry (v[i].entry);
252b5132
RH
226
227 return;
228 }
229 }
df5f2391 230 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
252b5132
RH
231}
232
233
252b5132 234static void
0c7a8e5a 235set_pe_value (char *name)
252b5132
RH
236{
237 char *end;
238 set_pe_name (name, strtoul (optarg, &end, 0));
239 if (end == optarg)
240 {
df5f2391 241 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
252b5132
RH
242 }
243
244 optarg = end;
245}
246
247static void
0c7a8e5a 248set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
249{
250 set_pe_value (resname);
251 if (*optarg == ',')
252 {
253 optarg++;
254 set_pe_value (comname);
255 }
256 else if (*optarg)
257 {
df5f2391 258 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
252b5132
RH
259 }
260}
261
262
3bcf5557 263static bfd_boolean
0c7a8e5a 264gld${EMULATION_NAME}_handle_option (int optc)
252b5132 265{
252b5132
RH
266 switch (optc)
267 {
268 default:
3bcf5557 269 return FALSE;
252b5132
RH
270
271 case OPTION_BASE_FILE:
0c7a8e5a 272 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 273 if (link_info.base_file == NULL)
e922bcab 274 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
275 break;
276
277 /* PE options */
9b5799b8 278 case OPTION_HEAP:
252b5132
RH
279 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
280 break;
9b5799b8 281 case OPTION_STACK:
252b5132
RH
282 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
283 break;
284 case OPTION_SUBSYSTEM:
285 set_pe_subsystem ();
286 break;
287 case OPTION_MAJOR_OS_VERSION:
288 set_pe_value ("__major_os_version__");
289 break;
290 case OPTION_MINOR_OS_VERSION:
291 set_pe_value ("__minor_os_version__");
292 break;
293 case OPTION_MAJOR_SUBSYSTEM_VERSION:
294 set_pe_value ("__major_subsystem_version__");
295 break;
296 case OPTION_MINOR_SUBSYSTEM_VERSION:
297 set_pe_value ("__minor_subsystem_version__");
298 break;
299 case OPTION_MAJOR_IMAGE_VERSION:
300 set_pe_value ("__major_image_version__");
301 break;
302 case OPTION_MINOR_IMAGE_VERSION:
303 set_pe_value ("__minor_image_version__");
304 break;
305 case OPTION_FILE_ALIGNMENT:
306 set_pe_value ("__file_alignment__");
307 break;
308 case OPTION_SECTION_ALIGNMENT:
309 set_pe_value ("__section_alignment__");
310 break;
311 case OPTION_DLL:
312 set_pe_name ("__dll__", 1);
313 break;
314 case OPTION_IMAGE_BASE:
315 set_pe_value ("__image_base__");
316 break;
317 }
3bcf5557 318 return TRUE;
252b5132
RH
319}
320\f
321/* Assign values to the special symbols before the linker script is
322 read. */
323
324static void
0c7a8e5a 325gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
326{
327 /* Run through and invent symbols for all the
328 names and insert the defaults. */
329 int j;
252b5132
RH
330
331 if (!init[IMAGEBASEOFF].inited)
332 {
0e1862bb 333 if (bfd_link_relocatable (&link_info))
252b5132
RH
334 init[IMAGEBASEOFF].value = 0;
335 else if (init[DLLOFF].value)
336 init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
337 else
338 init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
339 }
340
1049f94e 341 /* Don't do any symbol assignments if this is a relocatable link. */
0e1862bb 342 if (bfd_link_relocatable (&link_info))
252b5132
RH
343 return;
344
345 /* Glue the assignments into the abs section */
bde18da4 346 push_stat_ptr (&abs_output_section->children);
252b5132
RH
347
348 for (j = 0; init[j].ptr; j++)
349 {
350 long val = init[j].value;
eb8476a6
MR
351 lang_add_assignment (exp_assign (init[j].symbol, exp_intop (val),
352 FALSE));
252b5132
RH
353 if (init[j].size == sizeof(short))
354 *(short *)init[j].ptr = val;
355 else if (init[j].size == sizeof(int))
356 *(int *)init[j].ptr = val;
357 else if (init[j].size == sizeof(long))
358 *(long *)init[j].ptr = val;
359 /* This might be a long long or other special type. */
360 else if (init[j].size == sizeof(bfd_vma))
361 *(bfd_vma *)init[j].ptr = val;
362 else abort();
363 }
364 /* Restore the pointer. */
bde18da4 365 pop_stat_ptr ();
9b5799b8 366
252b5132
RH
367 if (pe.FileAlignment >
368 pe.SectionAlignment)
369 {
df5f2391 370 einfo (_("%P: warning, file alignment > section alignment\n"));
252b5132
RH
371 }
372}
373
374static void
0c7a8e5a 375gld_${EMULATION_NAME}_after_open (void)
252b5132 376{
5c3049d2
AM
377 after_open_default ();
378
252b5132
RH
379 /* Pass the wacky PE command line options into the output bfd.
380 FIXME: This should be done via a function, rather than by
381 including an internal BFD header. */
f13a99db 382 if (!coff_data(link_info.output_bfd)->pe)
252b5132 383 {
df5f2391 384 einfo (_("%F%P: PE operations on non PE file\n"));
252b5132
RH
385 }
386
f13a99db
AM
387 pe_data(link_info.output_bfd)->pe_opthdr = pe;
388 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
252b5132
RH
389
390}
391\f
392/* Callback functions for qsort in sort_sections. */
393
394static int
0c7a8e5a 395sort_by_file_name (const void *a, const void *b)
252b5132 396{
f5c3a9e3
AM
397 const lang_input_section_type *const *ra = a;
398 const lang_input_section_type *const *rb = b;
399 asection *sa = (*ra)->section;
400 asection *sb = (*rb)->section;
252b5132
RH
401 int i, a_sec, b_sec;
402
607b4833
AM
403 i = filename_cmp (bfd_get_filename (sa->owner->my_archive),
404 bfd_get_filename (sb->owner->my_archive));
252b5132
RH
405 if (i != 0)
406 return i;
407
607b4833
AM
408 i = filename_cmp (bfd_get_filename (sa->owner),
409 bfd_get_filename (sb->owner));
252b5132
RH
410 if (i != 0)
411 return i;
412 /* the tail idata4/5 are the only ones without relocs to an
9b5799b8 413 idata$6 section unless we are importing by ordinal,
252b5132
RH
414 so sort them to last to terminate the IAT
415 and HNT properly. if no reloc this one is import by ordinal
416 so we have to sort by section contents */
417
f5c3a9e3 418 if (sa->reloc_count + sb->reloc_count != 0)
252b5132 419 {
f5c3a9e3 420 i = sa->reloc_count > sb->reloc_count ? -1 : 0;
d003af55
AM
421 if (i != 0)
422 return i;
252b5132 423
f5c3a9e3 424 return sa->reloc_count > sb->reloc_count ? 0 : 1;
252b5132
RH
425 }
426 else
427 {
d003af55 428 /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
f5c3a9e3 429 if ((strcmp (sa->name, ".idata$6") == 0))
d003af55
AM
430 return 0;
431
f5c3a9e3
AM
432 if (!bfd_get_section_contents (sa->owner, sa, &a_sec, (file_ptr) 0,
433 (bfd_size_type) sizeof (a_sec)))
df5f2391 434 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
f5c3a9e3 435 sa->owner);
d003af55 436
f5c3a9e3
AM
437 if (!bfd_get_section_contents (sb->owner, sb, &b_sec, (file_ptr) 0,
438 (bfd_size_type) sizeof (b_sec)))
df5f2391 439 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
f5c3a9e3 440 sb->owner);
d003af55
AM
441
442 i = a_sec < b_sec ? -1 : 0;
443 if (i != 0)
444 return i;
445 return a_sec < b_sec ? 0 : 1;
446 }
447 return 0;
252b5132
RH
448}
449
450static int
0c7a8e5a 451sort_by_section_name (const void *a, const void *b)
252b5132 452{
f5c3a9e3
AM
453 const lang_input_section_type *const *ra = a;
454 const lang_input_section_type *const *rb = b;
455 const char *sna = (*ra)->section->name;
456 const char *snb = (*rb)->section->name;
252b5132 457 int i;
f5c3a9e3 458 i = strcmp (sna, snb);
0112cd26
NC
459 /* This is a hack to make .stab and .stabstr last, so we don't have
460 to fix strip/objcopy for .reloc sections.
461 FIXME stripping images with a .rsrc section still needs to be fixed. */
462 if (i != 0)
252b5132 463 {
f5c3a9e3
AM
464 if ((CONST_STRNEQ (sna, ".stab"))
465 && (!CONST_STRNEQ (snb, ".stab")))
d003af55 466 return 1;
252b5132
RH
467 }
468 return i;
469}
470
471/* Subroutine of sort_sections to a contiguous subset of a list of sections.
472 NEXT_AFTER is the element after the last one to sort.
473 The result is a pointer to the last element's "next" pointer. */
474
475static lang_statement_union_type **
0c7a8e5a
AM
476sort_sections_1 (lang_statement_union_type **startptr,
477 lang_statement_union_type *next_after,
478 int count,
479 int (*sort_func) (const void *, const void *))
252b5132
RH
480{
481 lang_statement_union_type **vec;
482 lang_statement_union_type *p;
483 int i;
484 lang_statement_union_type **ret;
485
486 if (count == 0)
487 return startptr;
488
489 vec = ((lang_statement_union_type **)
490 xmalloc (count * sizeof (lang_statement_union_type *)));
491
bba1a0c0 492 for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
252b5132
RH
493 vec[i] = p;
494
495 qsort (vec, count, sizeof (vec[0]), sort_func);
496
497 /* Fill in the next pointers again. */
498 *startptr = vec[0];
499 for (i = 0; i < count - 1; i++)
500 vec[i]->header.next = vec[i + 1];
501 vec[i]->header.next = next_after;
502 ret = &vec[i]->header.next;
503 free (vec);
504 return ret;
505}
506
507/* Sort the .idata\$foo input sections of archives into filename order.
508 The reason is so dlltool can arrange to have the pe dll import information
509 generated correctly - the head of the list goes into dh.o, the tail into
510 dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
511 .idata section.
512 FIXME: This may no longer be necessary with grouped sections. Instead of
513 sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
514 .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
515 This would have to be elaborated upon to handle multiple dll's
516 [assuming such an eloboration is possible of course].
517
518 We also sort sections in '\$' wild statements. These are created by the
519 place_orphans routine to implement grouped sections. */
520
521static void
0c7a8e5a 522sort_sections (lang_statement_union_type *s)
252b5132 523{
bba1a0c0 524 for (; s ; s = s->header.next)
252b5132
RH
525 switch (s->header.type)
526 {
527 case lang_output_section_statement_enum:
528 sort_sections (s->output_section_statement.children.head);
529 break;
530 case lang_wild_statement_enum:
531 {
532 lang_statement_union_type **p = &s->wild_statement.children.head;
3fd36710 533 struct wildcard_list *sec;
252b5132 534
3fd36710 535 for (sec = s->wild_statement.section_list; sec; sec = sec->next)
252b5132 536 {
3fd36710
AM
537 /* Is this the .idata section? */
538 if (sec->spec.name != NULL
0112cd26 539 && CONST_STRNEQ (sec->spec.name, ".idata"))
252b5132 540 {
3fd36710
AM
541 /* Sort the children. We want to sort any objects in
542 the same archive. In order to handle the case of
543 including a single archive multiple times, we sort
544 all the children by archive name and then by object
545 name. After sorting them, we re-thread the pointer
546 chain. */
547
548 while (*p)
252b5132 549 {
3fd36710
AM
550 lang_statement_union_type *start = *p;
551 if (start->header.type != lang_input_section_enum
7b986e99 552 || !start->input_section.section->owner->my_archive)
3fd36710
AM
553 p = &(start->header.next);
554 else
555 {
556 lang_statement_union_type *end;
557 int count;
558
559 for (end = start, count = 0;
560 end && (end->header.type
561 == lang_input_section_enum);
bba1a0c0 562 end = end->header.next)
3fd36710
AM
563 count++;
564
565 p = sort_sections_1 (p, end, count,
566 sort_by_file_name);
567 }
252b5132 568 }
3fd36710 569 break;
252b5132 570 }
252b5132 571
3fd36710
AM
572 /* If this is a collection of grouped sections, sort them.
573 The linker script must explicitly mention "*(.foo\$)" or
574 "*(.foo\$*)". Don't sort them if \$ is not the last
575 character (not sure if this is really useful, but it
576 allows explicitly mentioning some \$ sections and letting
577 the linker handle the rest). */
578 if (sec->spec.name != NULL)
252b5132 579 {
3fd36710 580 char *q = strchr (sec->spec.name, '\$');
252b5132 581
3fd36710
AM
582 if (q != NULL
583 && (q[1] == '\0'
584 || (q[1] == '*' && q[2] == '\0')))
252b5132 585 {
3fd36710
AM
586 lang_statement_union_type *end;
587 int count;
588
bba1a0c0 589 for (end = *p, count = 0; end; end = end->header.next)
3fd36710
AM
590 {
591 if (end->header.type != lang_input_section_enum)
592 abort ();
593 count++;
594 }
595 (void) sort_sections_1 (p, end, count,
596 sort_by_section_name);
252b5132 597 }
3fd36710 598 break;
252b5132 599 }
252b5132
RH
600 }
601 }
602 break;
603 default:
604 break;
605 }
606}
607
9b5799b8 608static void
0c7a8e5a 609gld_${EMULATION_NAME}_before_allocation (void)
252b5132 610{
252b5132
RH
611#ifdef TARGET_IS_armpe
612 /* FIXME: we should be able to set the size of the interworking stub
613 section.
614
615 Here we rummage through the found bfds to collect glue
616 information. FIXME: should this be based on a command line
617 option? krk@cygnus.com */
618 {
619 LANG_FOR_EACH_INPUT_STATEMENT (is)
d003af55
AM
620 {
621 if (!arm_process_before_allocation (is->the_bfd, & link_info))
622 {
df5f2391
AM
623 einfo (_("%P: errors encountered processing file %s\n"),
624 is->filename);
d003af55
AM
625 }
626 }
252b5132
RH
627 }
628
629 /* We have seen it all. Allocate it, and carry on */
630 arm_allocate_interworking_sections (& link_info);
631#endif /* TARGET_IS_armpe */
252b5132
RH
632
633 sort_sections (stat_ptr->head);
8423293d 634
1e035701 635 before_allocation_default ();
252b5132
RH
636}
637\f
638/* Place an orphan section. We use this to put sections with a '\$' in them
639 into the right place. Any section with a '\$' in them (e.g. .text\$foo)
640 gets mapped to the output section with everything from the '\$' on stripped
641 (e.g. .text).
642 See the Microsoft Portable Executable and Common Object File Format
643 Specification 4.1, section 4.2, Grouped Sections.
644
645 FIXME: This is now handled by the linker script using wildcards,
646 but I'm leaving this here in case we want to enable it for sections
647 which are not mentioned in the linker script. */
648
c2edb4b8 649static lang_output_section_statement_type *
8a99a385
AM
650gld${EMULATION_NAME}_place_orphan (asection *s,
651 const char *secname,
652 int constraint)
252b5132 653{
252b5132
RH
654 char *output_secname, *ps;
655 lang_output_section_statement_type *os;
656 lang_statement_union_type *l;
657
658 if ((s->flags & SEC_ALLOC) == 0)
c2edb4b8 659 return NULL;
252b5132
RH
660
661 /* Don't process grouped sections unless doing a final link.
662 If they're marked as COMDAT sections, we don't want .text\$foo to
663 end up in .text and then have .text disappear because it's marked
664 link-once-discard. */
0e1862bb 665 if (bfd_link_relocatable (&link_info))
c2edb4b8 666 return NULL;
252b5132 667
252b5132
RH
668 /* Everything from the '\$' on gets deleted so don't allow '\$' as the
669 first character. */
670 if (*secname == '\$')
df5f2391 671 einfo (_("%F%P: section %s has '\$' as first character\n"), secname);
252b5132 672 if (strchr (secname + 1, '\$') == NULL)
c2edb4b8 673 return NULL;
252b5132
RH
674
675 /* Look up the output section. The Microsoft specs say sections names in
676 image files never contain a '\$'. Fortunately, lang_..._lookup creates
677 the section if it doesn't exist. */
c7e40348 678 output_secname = xstrdup (secname);
252b5132
RH
679 ps = strchr (output_secname + 1, '\$');
680 *ps = 0;
8a99a385 681 os = lang_output_section_statement_lookup (output_secname, constraint, TRUE);
252b5132
RH
682
683 /* Find the '\$' wild statement for this section. We currently require the
fe49679d 684 linker script to explicitly mention "*(.foo\$)". */
252b5132
RH
685
686 ps[0] = '\$';
687 ps[1] = 0;
bba1a0c0 688 for (l = os->children.head; l; l = l->header.next)
3fd36710
AM
689 if (l->header.type == lang_wild_statement_enum)
690 {
691 struct wildcard_list *sec;
692
693 for (sec = l->wild_statement.section_list; sec; sec = sec->next)
694 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
695 break;
696 if (sec)
697 break;
698 }
252b5132
RH
699 ps[0] = 0;
700 if (l == NULL)
df5f2391 701 einfo (_("%F%P: *(%s\$) missing from linker script\n"), output_secname);
252b5132
RH
702
703 /* Link the input section in and we're done for now.
704 The sections still have to be sorted, but that has to wait until
705 all such sections have been processed by us. The sorting is done by
706 sort_sections. */
b9c361e0 707 lang_add_section (&l->wild_statement.children, s, NULL, os);
252b5132 708
c2edb4b8 709 return os;
252b5132
RH
710}
711\f
712static char *
0c7a8e5a 713gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
714EOF
715# Scripts compiled in.
716# sed commands to quote an ld script as a C string.
597e2591 717sc="-f stringify.sed"
252b5132 718
92b93329 719fragment <<EOF
9b5799b8 720{
252b5132
RH
721 *isfile = 0;
722
0e1862bb 723 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132
RH
724 return
725EOF
b34976b6 726sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 727echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
b34976b6
AM
728sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
729echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
730sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
731echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
732sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
733echo ' ; else return' >> e${EMULATION_NAME}.c
734sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
735echo '; }' >> e${EMULATION_NAME}.c
252b5132 736
92b93329 737fragment <<EOF
252b5132
RH
738
739
9b5799b8 740struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
741{
742 gld_${EMULATION_NAME}_before_parse,
743 syslib_default,
744 hll_default,
745 after_parse_default,
746 gld_${EMULATION_NAME}_after_open,
5c3261b0 747 after_check_relocs_default,
9b538ba7 748 before_place_orphans_default,
252b5132
RH
749 after_allocation_default,
750 set_output_arch_default,
751 ldemul_default_target,
752 gld_${EMULATION_NAME}_before_allocation,
753 gld_${EMULATION_NAME}_get_script,
754 "${EMULATION_NAME}",
755 "${OUTPUT_FORMAT}",
1e035701 756 finish_default,
252b5132
RH
757 NULL, /* create output section statements */
758 NULL, /* open dynamic archive */
759 gld${EMULATION_NAME}_place_orphan,
760 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
761 NULL, /* parse_args */
762 gld${EMULATION_NAME}_add_options,
763 gld${EMULATION_NAME}_handle_option,
e1c47aa4
AM
764 NULL, /* unrecognized file */
765 NULL, /* list options */
40d109bf 766 NULL, /* recognized file */
fac1652d 767 NULL, /* find_potential_libraries */
7a2f2d82 768 NULL, /* new_vers_pattern */
1ff6de03
NA
769 NULL, /* extra_map_file_text */
770 ${LDEMUL_EMIT_CTF_EARLY-NULL},
3d16b64e
NA
771 ${LDEMUL_ACQUIRE_STRINGS_FOR_CTF-NULL},
772 ${LDEMUL_NEW_DYNSYM_FOR_CTF-NULL},
3edf7b9f 773 ${LDEMUL_PRINT_SYMBOL-NULL}
252b5132
RH
774};
775EOF