ChangeLog binutils/
[deliverable/binutils-gdb.git] / ld / emultempl / beos.em
CommitLineData
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.
aef6203b 10 Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2e57b2af 11 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
252b5132 12
f96b4a7b
NC
13 This file is part of the GNU Binutils.
14
15 This program is free software; you can redistribute it and/or modify
16 it under the terms of the GNU General Public License as published by
17 the Free Software Foundation; either version 3 of the License, or
18 (at your option) any later version.
19
20 This program is distributed in the hope that it will be useful,
21 but WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 GNU General Public License for more details.
24
25 You should have received a copy of the GNU General Public License
26 along with this program; if not, write to the Free Software
27 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
28 MA 02110-1301, USA. */
29
252b5132
RH
30
31/* For WINDOWS_NT */
32/* The original file generated returned different default scripts depending
33 on whether certain switches were set, but these switches pertain to the
34 Linux system and that particular version of coff. In the NT case, we
35 only determine if the subsystem is console or windows in order to select
9b5799b8
AJ
36 the correct entry point by default. */
37
252b5132 38#include "sysdep.h"
3db64b00 39#include "bfd.h"
252b5132
RH
40#include "bfdlink.h"
41#include "getopt.h"
42#include "libiberty.h"
43#include "ld.h"
44#include "ldmain.h"
252b5132
RH
45#include "ldexp.h"
46#include "ldlang.h"
b71e2778 47#include "ldfile.h"
252b5132 48#include "ldemul.h"
df2a7313 49#include <ldgram.h>
252b5132
RH
50#include "ldlex.h"
51#include "ldmisc.h"
52#include "ldctor.h"
252b5132
RH
53#include "coff/internal.h"
54#include "../bfd/libcoff.h"
55
56#define TARGET_IS_${EMULATION_NAME}
57
252b5132
RH
58static struct internal_extra_pe_aouthdr pe;
59static int dll;
60
61extern const char *output_filename;
62
63static void
0c7a8e5a 64gld_${EMULATION_NAME}_before_parse (void)
252b5132 65{
5e2f1575 66 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 67 output_filename = "a.exe";
252b5132
RH
68}
69\f
70/* PE format extra command line options. */
71
72/* Used for setting flags in the PE header. */
73#define OPTION_BASE_FILE (300 + 1)
74#define OPTION_DLL (OPTION_BASE_FILE + 1)
75#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
76#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
77#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
78#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
79#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
80#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
81#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
82#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
83#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
84#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
85#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
86#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
87
3bcf5557 88static void
0c7a8e5a
AM
89gld${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)
3bcf5557
AM
93{
94 static const struct option xtra_long[] = {
95 /* PE options */
252b5132
RH
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},
9b5799b8
AJ
99 {"heap", required_argument, NULL, OPTION_HEAP},
100 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
252b5132
RH
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},
3bcf5557 110 {NULL, no_argument, NULL, 0}
252b5132
RH
111 };
112
3bcf5557
AM
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
252b5132
RH
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
122typedef 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
132static 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
ff7e6f88 138 {&dll, sizeof(dll), 0, "__dll__", 0},
252b5132
RH
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
157static void
0c7a8e5a 158set_pe_name (char *name, long val)
252b5132
RH
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
175static void
0c7a8e5a 176set_pe_subsystem (void)
252b5132
RH
177{
178 const char *sver;
179 int len;
180 int i;
9b5799b8 181 static const struct
252b5132
RH
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" },
252b5132
RH
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
a359509e
ZW
223 point. */
224 lang_default_entry (v[i].entry);
252b5132
RH
225
226 return;
227 }
228 }
229 einfo ("%P%F: invalid subsystem type %s\n", optarg);
230}
231
232
252b5132 233static void
0c7a8e5a 234set_pe_value (char *name)
252b5132
RH
235{
236 char *end;
237 set_pe_name (name, strtoul (optarg, &end, 0));
238 if (end == optarg)
239 {
240 einfo ("%P%F: invalid hex number for PE parameter '%s'\n", optarg);
241 }
242
243 optarg = end;
244}
245
246static void
0c7a8e5a 247set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
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 ("%P%F: strange hex info for PE parameter '%s'\n", optarg);
258 }
259}
260
261
3bcf5557 262static bfd_boolean
0c7a8e5a 263gld${EMULATION_NAME}_handle_option (int optc)
252b5132 264{
252b5132
RH
265 switch (optc)
266 {
267 default:
3bcf5557 268 return FALSE;
252b5132
RH
269
270 case OPTION_BASE_FILE:
0c7a8e5a 271 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 272 if (link_info.base_file == NULL)
e922bcab 273 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
274 break;
275
276 /* PE options */
9b5799b8 277 case OPTION_HEAP:
252b5132
RH
278 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
279 break;
9b5799b8 280 case OPTION_STACK:
252b5132
RH
281 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
282 break;
283 case OPTION_SUBSYSTEM:
284 set_pe_subsystem ();
285 break;
286 case OPTION_MAJOR_OS_VERSION:
287 set_pe_value ("__major_os_version__");
288 break;
289 case OPTION_MINOR_OS_VERSION:
290 set_pe_value ("__minor_os_version__");
291 break;
292 case OPTION_MAJOR_SUBSYSTEM_VERSION:
293 set_pe_value ("__major_subsystem_version__");
294 break;
295 case OPTION_MINOR_SUBSYSTEM_VERSION:
296 set_pe_value ("__minor_subsystem_version__");
297 break;
298 case OPTION_MAJOR_IMAGE_VERSION:
299 set_pe_value ("__major_image_version__");
300 break;
301 case OPTION_MINOR_IMAGE_VERSION:
302 set_pe_value ("__minor_image_version__");
303 break;
304 case OPTION_FILE_ALIGNMENT:
305 set_pe_value ("__file_alignment__");
306 break;
307 case OPTION_SECTION_ALIGNMENT:
308 set_pe_value ("__section_alignment__");
309 break;
310 case OPTION_DLL:
311 set_pe_name ("__dll__", 1);
312 break;
313 case OPTION_IMAGE_BASE:
314 set_pe_value ("__image_base__");
315 break;
316 }
3bcf5557 317 return TRUE;
252b5132
RH
318}
319\f
320/* Assign values to the special symbols before the linker script is
321 read. */
322
323static void
0c7a8e5a 324gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
325{
326 /* Run through and invent symbols for all the
327 names and insert the defaults. */
328 int j;
252b5132
RH
329
330 if (!init[IMAGEBASEOFF].inited)
331 {
1049f94e 332 if (link_info.relocatable)
252b5132
RH
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
1049f94e
AM
340 /* Don't do any symbol assignments if this is a relocatable link. */
341 if (link_info.relocatable)
252b5132
RH
342 return;
343
344 /* Glue the assignments into the abs section */
bde18da4 345 push_stat_ptr (&abs_output_section->children);
252b5132
RH
346
347 for (j = 0; init[j].ptr; j++)
348 {
349 long val = init[j].value;
2e57b2af 350 lang_add_assignment (exp_assign (init[j].symbol, exp_intop (val)));
252b5132
RH
351 if (init[j].size == sizeof(short))
352 *(short *)init[j].ptr = val;
353 else if (init[j].size == sizeof(int))
354 *(int *)init[j].ptr = val;
355 else if (init[j].size == sizeof(long))
356 *(long *)init[j].ptr = val;
357 /* This might be a long long or other special type. */
358 else if (init[j].size == sizeof(bfd_vma))
359 *(bfd_vma *)init[j].ptr = val;
360 else abort();
361 }
362 /* Restore the pointer. */
bde18da4 363 pop_stat_ptr ();
9b5799b8 364
252b5132
RH
365 if (pe.FileAlignment >
366 pe.SectionAlignment)
367 {
368 einfo ("%P: warning, file alignment > section alignment.\n");
369 }
370}
371
372static void
0c7a8e5a 373gld_${EMULATION_NAME}_after_open (void)
252b5132 374{
5c3049d2
AM
375 after_open_default ();
376
252b5132
RH
377 /* Pass the wacky PE command line options into the output bfd.
378 FIXME: This should be done via a function, rather than by
379 including an internal BFD header. */
f13a99db 380 if (!coff_data(link_info.output_bfd)->pe)
252b5132
RH
381 {
382 einfo ("%F%P: PE operations on non PE file.\n");
383 }
384
f13a99db
AM
385 pe_data(link_info.output_bfd)->pe_opthdr = pe;
386 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
252b5132
RH
387
388}
389\f
390/* Callback functions for qsort in sort_sections. */
391
392static int
0c7a8e5a 393sort_by_file_name (const void *a, const void *b)
252b5132 394{
db09f25b
AM
395 const lang_statement_union_type *const *ra = a;
396 const lang_statement_union_type *const *rb = b;
252b5132
RH
397 int i, a_sec, b_sec;
398
7b986e99
AM
399 i = strcmp ((*ra)->input_section.section->owner->my_archive->filename,
400 (*rb)->input_section.section->owner->my_archive->filename);
252b5132
RH
401 if (i != 0)
402 return i;
403
7b986e99
AM
404 i = strcmp ((*ra)->input_section.section->owner->filename,
405 (*rb)->input_section.section->owner->filename);
252b5132
RH
406 if (i != 0)
407 return i;
408 /* the tail idata4/5 are the only ones without relocs to an
9b5799b8 409 idata$6 section unless we are importing by ordinal,
252b5132
RH
410 so sort them to last to terminate the IAT
411 and HNT properly. if no reloc this one is import by ordinal
412 so we have to sort by section contents */
413
414 if ( ((*ra)->input_section.section->reloc_count + (*rb)->input_section.section->reloc_count) )
415 {
9b5799b8 416 i = (((*ra)->input_section.section->reloc_count >
252b5132
RH
417 (*rb)->input_section.section->reloc_count) ? -1 : 0);
418 if ( i != 0)
419 return i;
420
9b5799b8 421 return (((*ra)->input_section.section->reloc_count >
252b5132
RH
422 (*rb)->input_section.section->reloc_count) ? 0 : 1);
423 }
424 else
425 {
426 if ( (strcmp( (*ra)->input_section.section->name, ".idata$6") == 0) )
427 return 0; /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
428
7b986e99 429 if (! bfd_get_section_contents ((*ra)->input_section.section->owner,
252b5132
RH
430 (*ra)->input_section.section, &a_sec, (file_ptr) 0, (bfd_size_type)sizeof(a_sec)))
431 einfo ("%F%B: Can't read contents of section .idata: %E\n",
7b986e99 432 (*ra)->input_section.section->owner);
252b5132 433
7b986e99 434 if (! bfd_get_section_contents ((*rb)->input_section.section->owner,
252b5132
RH
435 (*rb)->input_section.section, &b_sec, (file_ptr) 0, (bfd_size_type)sizeof(b_sec) ))
436 einfo ("%F%B: Can't read contents of section .idata: %E\n",
7b986e99 437 (*rb)->input_section.section->owner);
252b5132
RH
438
439 i = ((a_sec < b_sec) ? -1 : 0);
440 if ( i != 0)
441 return i;
442 return ((a_sec < b_sec) ? 0 : 1);
443 }
444return 0;
445}
446
447static int
0c7a8e5a 448sort_by_section_name (const void *a, const void *b)
252b5132 449{
db09f25b
AM
450 const lang_statement_union_type *const *ra = a;
451 const lang_statement_union_type *const *rb = b;
252b5132
RH
452 int i;
453 i = strcmp ((*ra)->input_section.section->name,
0112cd26
NC
454 (*rb)->input_section.section->name);
455 /* This is a hack to make .stab and .stabstr last, so we don't have
456 to fix strip/objcopy for .reloc sections.
457 FIXME stripping images with a .rsrc section still needs to be fixed. */
458 if (i != 0)
252b5132 459 {
0112cd26
NC
460 if ((CONST_STRNEQ ((*ra)->input_section.section->name, ".stab"))
461 && (! CONST_STRNEQ ((*rb)->input_section.section->name, ".stab")))
252b5132 462 return 1;
252b5132
RH
463 }
464 return i;
465}
466
467/* Subroutine of sort_sections to a contiguous subset of a list of sections.
468 NEXT_AFTER is the element after the last one to sort.
469 The result is a pointer to the last element's "next" pointer. */
470
471static lang_statement_union_type **
0c7a8e5a
AM
472sort_sections_1 (lang_statement_union_type **startptr,
473 lang_statement_union_type *next_after,
474 int count,
475 int (*sort_func) (const void *, const void *))
252b5132
RH
476{
477 lang_statement_union_type **vec;
478 lang_statement_union_type *p;
479 int i;
480 lang_statement_union_type **ret;
481
482 if (count == 0)
483 return startptr;
484
485 vec = ((lang_statement_union_type **)
486 xmalloc (count * sizeof (lang_statement_union_type *)));
487
bba1a0c0 488 for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
252b5132
RH
489 vec[i] = p;
490
491 qsort (vec, count, sizeof (vec[0]), sort_func);
492
493 /* Fill in the next pointers again. */
494 *startptr = vec[0];
495 for (i = 0; i < count - 1; i++)
496 vec[i]->header.next = vec[i + 1];
497 vec[i]->header.next = next_after;
498 ret = &vec[i]->header.next;
499 free (vec);
500 return ret;
501}
502
503/* Sort the .idata\$foo input sections of archives into filename order.
504 The reason is so dlltool can arrange to have the pe dll import information
505 generated correctly - the head of the list goes into dh.o, the tail into
506 dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
507 .idata section.
508 FIXME: This may no longer be necessary with grouped sections. Instead of
509 sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
510 .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
511 This would have to be elaborated upon to handle multiple dll's
512 [assuming such an eloboration is possible of course].
513
514 We also sort sections in '\$' wild statements. These are created by the
515 place_orphans routine to implement grouped sections. */
516
517static void
0c7a8e5a 518sort_sections (lang_statement_union_type *s)
252b5132 519{
bba1a0c0 520 for (; s ; s = s->header.next)
252b5132
RH
521 switch (s->header.type)
522 {
523 case lang_output_section_statement_enum:
524 sort_sections (s->output_section_statement.children.head);
525 break;
526 case lang_wild_statement_enum:
527 {
528 lang_statement_union_type **p = &s->wild_statement.children.head;
3fd36710 529 struct wildcard_list *sec;
252b5132 530
3fd36710 531 for (sec = s->wild_statement.section_list; sec; sec = sec->next)
252b5132 532 {
3fd36710
AM
533 /* Is this the .idata section? */
534 if (sec->spec.name != NULL
0112cd26 535 && CONST_STRNEQ (sec->spec.name, ".idata"))
252b5132 536 {
3fd36710
AM
537 /* Sort the children. We want to sort any objects in
538 the same archive. In order to handle the case of
539 including a single archive multiple times, we sort
540 all the children by archive name and then by object
541 name. After sorting them, we re-thread the pointer
542 chain. */
543
544 while (*p)
252b5132 545 {
3fd36710
AM
546 lang_statement_union_type *start = *p;
547 if (start->header.type != lang_input_section_enum
7b986e99 548 || !start->input_section.section->owner->my_archive)
3fd36710
AM
549 p = &(start->header.next);
550 else
551 {
552 lang_statement_union_type *end;
553 int count;
554
555 for (end = start, count = 0;
556 end && (end->header.type
557 == lang_input_section_enum);
bba1a0c0 558 end = end->header.next)
3fd36710
AM
559 count++;
560
561 p = sort_sections_1 (p, end, count,
562 sort_by_file_name);
563 }
252b5132 564 }
3fd36710 565 break;
252b5132 566 }
252b5132 567
3fd36710
AM
568 /* If this is a collection of grouped sections, sort them.
569 The linker script must explicitly mention "*(.foo\$)" or
570 "*(.foo\$*)". Don't sort them if \$ is not the last
571 character (not sure if this is really useful, but it
572 allows explicitly mentioning some \$ sections and letting
573 the linker handle the rest). */
574 if (sec->spec.name != NULL)
252b5132 575 {
3fd36710 576 char *q = strchr (sec->spec.name, '\$');
252b5132 577
3fd36710
AM
578 if (q != NULL
579 && (q[1] == '\0'
580 || (q[1] == '*' && q[2] == '\0')))
252b5132 581 {
3fd36710
AM
582 lang_statement_union_type *end;
583 int count;
584
bba1a0c0 585 for (end = *p, count = 0; end; end = end->header.next)
3fd36710
AM
586 {
587 if (end->header.type != lang_input_section_enum)
588 abort ();
589 count++;
590 }
591 (void) sort_sections_1 (p, end, count,
592 sort_by_section_name);
252b5132 593 }
3fd36710 594 break;
252b5132 595 }
252b5132
RH
596 }
597 }
598 break;
599 default:
600 break;
601 }
602}
603
9b5799b8 604static void
0c7a8e5a 605gld_${EMULATION_NAME}_before_allocation (void)
252b5132 606{
252b5132
RH
607#ifdef TARGET_IS_ppcpe
608 /* Here we rummage through the found bfds to collect toc information */
609 {
610 LANG_FOR_EACH_INPUT_STATEMENT (is)
611 {
612 if (!ppc_process_before_allocation(is->the_bfd, &link_info))
613 {
614 einfo("Errors encountered processing file %s\n", is->filename);
615 }
616 }
617 }
618
619 /* We have seen it all. Allocate it, and carry on */
620 ppc_allocate_toc_section (&link_info);
621#else
622#ifdef TARGET_IS_armpe
623 /* FIXME: we should be able to set the size of the interworking stub
624 section.
625
626 Here we rummage through the found bfds to collect glue
627 information. FIXME: should this be based on a command line
628 option? krk@cygnus.com */
629 {
630 LANG_FOR_EACH_INPUT_STATEMENT (is)
631 {
632 if (!arm_process_before_allocation (is->the_bfd, & link_info))
633 {
634 einfo ("Errors encountered processing file %s", is->filename);
635 }
636 }
637 }
638
639 /* We have seen it all. Allocate it, and carry on */
640 arm_allocate_interworking_sections (& link_info);
641#endif /* TARGET_IS_armpe */
642#endif /* TARGET_IS_ppcpe */
643
644 sort_sections (stat_ptr->head);
8423293d 645
1e035701 646 before_allocation_default ();
252b5132
RH
647}
648\f
649/* Place an orphan section. We use this to put sections with a '\$' in them
650 into the right place. Any section with a '\$' in them (e.g. .text\$foo)
651 gets mapped to the output section with everything from the '\$' on stripped
652 (e.g. .text).
653 See the Microsoft Portable Executable and Common Object File Format
654 Specification 4.1, section 4.2, Grouped Sections.
655
656 FIXME: This is now handled by the linker script using wildcards,
657 but I'm leaving this here in case we want to enable it for sections
658 which are not mentioned in the linker script. */
659
c2edb4b8 660static lang_output_section_statement_type *
8a99a385
AM
661gld${EMULATION_NAME}_place_orphan (asection *s,
662 const char *secname,
663 int constraint)
252b5132 664{
252b5132
RH
665 char *output_secname, *ps;
666 lang_output_section_statement_type *os;
667 lang_statement_union_type *l;
668
669 if ((s->flags & SEC_ALLOC) == 0)
c2edb4b8 670 return NULL;
252b5132
RH
671
672 /* Don't process grouped sections unless doing a final link.
673 If they're marked as COMDAT sections, we don't want .text\$foo to
674 end up in .text and then have .text disappear because it's marked
675 link-once-discard. */
1049f94e 676 if (link_info.relocatable)
c2edb4b8 677 return NULL;
252b5132 678
252b5132
RH
679 /* Everything from the '\$' on gets deleted so don't allow '\$' as the
680 first character. */
681 if (*secname == '\$')
682 einfo ("%P%F: section %s has '\$' as first character\n", secname);
683 if (strchr (secname + 1, '\$') == NULL)
c2edb4b8 684 return NULL;
252b5132
RH
685
686 /* Look up the output section. The Microsoft specs say sections names in
687 image files never contain a '\$'. Fortunately, lang_..._lookup creates
688 the section if it doesn't exist. */
c7e40348 689 output_secname = xstrdup (secname);
252b5132
RH
690 ps = strchr (output_secname + 1, '\$');
691 *ps = 0;
8a99a385 692 os = lang_output_section_statement_lookup (output_secname, constraint, TRUE);
252b5132
RH
693
694 /* Find the '\$' wild statement for this section. We currently require the
695 linker script to explicitly mention "*(.foo\$)".
696 FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
697 Microsoft docs this isn't correct so it's not (currently) handled. */
698
699 ps[0] = '\$';
700 ps[1] = 0;
bba1a0c0 701 for (l = os->children.head; l; l = l->header.next)
3fd36710
AM
702 if (l->header.type == lang_wild_statement_enum)
703 {
704 struct wildcard_list *sec;
705
706 for (sec = l->wild_statement.section_list; sec; sec = sec->next)
707 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
708 break;
709 if (sec)
710 break;
711 }
252b5132
RH
712 ps[0] = 0;
713 if (l == NULL)
252b5132 714 einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);
252b5132
RH
715
716 /* Link the input section in and we're done for now.
717 The sections still have to be sorted, but that has to wait until
718 all such sections have been processed by us. The sorting is done by
719 sort_sections. */
7b986e99 720 lang_add_section (&l->wild_statement.children, s, os);
252b5132 721
c2edb4b8 722 return os;
252b5132
RH
723}
724\f
725static char *
0c7a8e5a 726gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
727EOF
728# Scripts compiled in.
729# sed commands to quote an ld script as a C string.
597e2591 730sc="-f stringify.sed"
252b5132 731
92b93329 732fragment <<EOF
9b5799b8 733{
252b5132
RH
734 *isfile = 0;
735
1049f94e 736 if (link_info.relocatable && config.build_constructors)
252b5132
RH
737 return
738EOF
b34976b6 739sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1049f94e 740echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
b34976b6
AM
741sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
742echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
743sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
744echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
745sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
746echo ' ; else return' >> e${EMULATION_NAME}.c
747sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
748echo '; }' >> e${EMULATION_NAME}.c
252b5132 749
92b93329 750fragment <<EOF
252b5132
RH
751
752
9b5799b8 753struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
754{
755 gld_${EMULATION_NAME}_before_parse,
756 syslib_default,
757 hll_default,
758 after_parse_default,
759 gld_${EMULATION_NAME}_after_open,
760 after_allocation_default,
761 set_output_arch_default,
762 ldemul_default_target,
763 gld_${EMULATION_NAME}_before_allocation,
764 gld_${EMULATION_NAME}_get_script,
765 "${EMULATION_NAME}",
766 "${OUTPUT_FORMAT}",
1e035701 767 finish_default,
252b5132
RH
768 NULL, /* create output section statements */
769 NULL, /* open dynamic archive */
770 gld${EMULATION_NAME}_place_orphan,
771 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
772 NULL, /* parse_args */
773 gld${EMULATION_NAME}_add_options,
774 gld${EMULATION_NAME}_handle_option,
e1c47aa4
AM
775 NULL, /* unrecognized file */
776 NULL, /* list options */
40d109bf 777 NULL, /* recognized file */
fac1652d
AM
778 NULL, /* find_potential_libraries */
779 NULL /* new_vers_pattern */
252b5132
RH
780};
781EOF
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