beos.em revision 1.1.1.7 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) 1995-2024 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 "ctf-api.h"
41 #include "getopt.h"
42 #include "libiberty.h"
43 #include "filenames.h"
44 #include "ld.h"
45 #include "ldmain.h"
46 #include "ldexp.h"
47 #include "ldlang.h"
48 #include "ldfile.h"
49 #include "ldemul.h"
50 #include <ldgram.h>
51 #include "ldlex.h"
52 #include "ldmisc.h"
53 #include "ldctor.h"
54 #include "coff/internal.h"
55 #include "../bfd/libcoff.h"
56
57 #define TARGET_IS_${EMULATION_NAME}
58
59 static struct internal_extra_pe_aouthdr pe;
60 static int dll;
61
62 extern const char *output_filename;
63
64 static void
65 gld${EMULATION_NAME}_before_parse (void)
66 {
67 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
68 output_filename = "a.exe";
69 }
70
72 /* PE format extra command line options. */
73
74 /* Used for setting flags in the PE header. */
75 #define OPTION_BASE_FILE (300 + 1)
76 #define OPTION_DLL (OPTION_BASE_FILE + 1)
77 #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
78 #define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
79 #define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
80 #define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
81 #define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
82 #define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
83 #define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
84 #define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
85 #define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
86 #define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
87 #define OPTION_SUBSYSTEM (OPTION_STACK + 1)
88 #define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
89
90 static void
91 gld${EMULATION_NAME}_add_options
92 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
93 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
94 struct option **really_longopts ATTRIBUTE_UNUSED)
95 {
96 static const struct option xtra_long[] = {
97 /* PE options */
98 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
99 {"dll", no_argument, NULL, OPTION_DLL},
100 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
101 {"heap", required_argument, NULL, OPTION_HEAP},
102 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
103 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
104 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
105 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
106 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
107 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
108 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
109 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
110 {"stack", required_argument, NULL, OPTION_STACK},
111 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
112 {NULL, no_argument, NULL, 0}
113 };
114
115 *longopts = (struct option *)
116 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
117 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
118 }
119
120
121 /* PE/WIN32; added routines to get the subsystem type, heap and/or stack
122 parameters which may be input from the command line */
123
124 typedef struct {
125 void *ptr;
126 int size;
127 int value;
128 char *symbol;
129 int inited;
130 } definfo;
131
132 #define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
133
134 static definfo init[] =
135 {
136 /* imagebase must be first */
137 #define IMAGEBASEOFF 0
138 D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
139 #define DLLOFF 1
140 {&dll, sizeof(dll), 0, "__dll__", 0},
141 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
142 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
143 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
144 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
145 D(MajorImageVersion,"__major_image_version__", 1),
146 D(MinorImageVersion,"__minor_image_version__", 0),
147 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
148 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
149 D(Subsystem,"__subsystem__", 3),
150 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
151 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
152 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
153 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
154 D(LoaderFlags,"__loader_flags__", 0x0),
155 { NULL, 0, 0, NULL, 0 }
156 };
157
158
159 static void
160 set_pe_name (char *name, long val)
161 {
162 int i;
163 /* Find the name and set it. */
164 for (i = 0; init[i].ptr; i++)
165 {
166 if (strcmp (name, init[i].symbol) == 0)
167 {
168 init[i].value = val;
169 init[i].inited = 1;
170 return;
171 }
172 }
173 abort();
174 }
175
176
177 static void
178 set_pe_subsystem (void)
179 {
180 const char *sver;
181 int len;
182 int i;
183 static const struct
184 {
185 const char *name;
186 const int value;
187 const char *entry;
188 }
189 v[] =
190 {
191 { "native", 1, "_NtProcessStartup" },
192 { "windows", 2, "_WinMainCRTStartup" },
193 { "wwindows", 2, "_wWinMainCRTStartup" },
194 { "console", 3, "_mainCRTStartup" },
195 { "wconsole", 3, "_wmainCRTStartup" },
196 { "posix", 7, "___PosixProcessStartup"},
197 { 0, 0, 0 }
198 };
199
200 sver = strchr (optarg, ':');
201 if (sver == NULL)
202 len = strlen (optarg);
203 else
204 {
205 char *end;
206
207 len = sver - optarg;
208 set_pe_name ("__major_subsystem_version__",
209 strtoul (sver + 1, &end, 0));
210 if (*end == '.')
211 set_pe_name ("__minor_subsystem_version__",
212 strtoul (end + 1, &end, 0));
213 if (*end != '\0')
214 einfo (_("%P: warning: bad version number in -subsystem option\n"));
215 }
216
217 for (i = 0; v[i].name; i++)
218 {
219 if (strncmp (optarg, v[i].name, len) == 0
220 && v[i].name[len] == '\0')
221 {
222 set_pe_name ("__subsystem__", v[i].value);
223
224 /* If the subsystem is windows, we use a different entry
225 point. */
226 lang_default_entry (v[i].entry);
227
228 return;
229 }
230 }
231 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
232 }
233
234
235 static void
236 set_pe_value (char *name)
237 {
238 char *end;
239 set_pe_name (name, strtoul (optarg, &end, 0));
240 if (end == optarg)
241 {
242 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
243 }
244
245 optarg = end;
246 }
247
248 static void
249 set_pe_stack_heap (char *resname, char *comname)
250 {
251 set_pe_value (resname);
252 if (*optarg == ',')
253 {
254 optarg++;
255 set_pe_value (comname);
256 }
257 else if (*optarg)
258 {
259 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
260 }
261 }
262
263
264 static bool
265 gld${EMULATION_NAME}_handle_option (int optc)
266 {
267 switch (optc)
268 {
269 default:
270 return false;
271
272 case OPTION_BASE_FILE:
273 link_info.base_file = fopen (optarg, FOPEN_WB);
274 if (link_info.base_file == NULL)
275 einfo (_("%F%P: cannot open base file %s\n"), optarg);
276 break;
277
278 /* PE options */
279 case OPTION_HEAP:
280 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
281 break;
282 case OPTION_STACK:
283 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
284 break;
285 case OPTION_SUBSYSTEM:
286 set_pe_subsystem ();
287 break;
288 case OPTION_MAJOR_OS_VERSION:
289 set_pe_value ("__major_os_version__");
290 break;
291 case OPTION_MINOR_OS_VERSION:
292 set_pe_value ("__minor_os_version__");
293 break;
294 case OPTION_MAJOR_SUBSYSTEM_VERSION:
295 set_pe_value ("__major_subsystem_version__");
296 break;
297 case OPTION_MINOR_SUBSYSTEM_VERSION:
298 set_pe_value ("__minor_subsystem_version__");
299 break;
300 case OPTION_MAJOR_IMAGE_VERSION:
301 set_pe_value ("__major_image_version__");
302 break;
303 case OPTION_MINOR_IMAGE_VERSION:
304 set_pe_value ("__minor_image_version__");
305 break;
306 case OPTION_FILE_ALIGNMENT:
307 set_pe_value ("__file_alignment__");
308 break;
309 case OPTION_SECTION_ALIGNMENT:
310 set_pe_value ("__section_alignment__");
311 break;
312 case OPTION_DLL:
313 set_pe_name ("__dll__", 1);
314 break;
315 case OPTION_IMAGE_BASE:
316 set_pe_value ("__image_base__");
317 break;
318 }
319 return true;
320 }
321
323 /* Assign values to the special symbols before the linker script is
324 read. */
325
326 static void
327 gld${EMULATION_NAME}_set_symbols (void)
328 {
329 /* Run through and invent symbols for all the
330 names and insert the defaults. */
331 int j;
332
333 if (!init[IMAGEBASEOFF].inited)
334 {
335 if (bfd_link_relocatable (&link_info))
336 init[IMAGEBASEOFF].value = 0;
337 else if (init[DLLOFF].value)
338 init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
339 else
340 init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
341 }
342
343 /* Don't do any symbol assignments if this is a relocatable link. */
344 if (bfd_link_relocatable (&link_info))
345 return;
346
347 /* Glue the assignments into the abs section */
348 push_stat_ptr (&abs_output_section->children);
349
350 for (j = 0; init[j].ptr; j++)
351 {
352 long val = init[j].value;
353 lang_add_assignment (exp_assign (init[j].symbol, exp_intop (val),
354 false));
355 if (init[j].size == sizeof(short))
356 *(short *)init[j].ptr = val;
357 else if (init[j].size == sizeof(int))
358 *(int *)init[j].ptr = val;
359 else if (init[j].size == sizeof(long))
360 *(long *)init[j].ptr = val;
361 /* This might be a long long or other special type. */
362 else if (init[j].size == sizeof(bfd_vma))
363 *(bfd_vma *)init[j].ptr = val;
364 else abort();
365 }
366 /* Restore the pointer. */
367 pop_stat_ptr ();
368
369 if (pe.FileAlignment >
370 pe.SectionAlignment)
371 {
372 einfo (_("%P: warning, file alignment > section alignment\n"));
373 }
374 }
375
376 static void
377 gld${EMULATION_NAME}_after_open (void)
378 {
379 after_open_default ();
380
381 /* Pass the wacky PE command line options into the output bfd.
382 FIXME: This should be done via a function, rather than by
383 including an internal BFD header. */
384 if (!obj_pe (link_info.output_bfd))
385 {
386 einfo (_("%F%P: PE operations on non PE file\n"));
387 }
388
389 pe_data(link_info.output_bfd)->pe_opthdr = pe;
390 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
391
392 }
393
395 /* Callback functions for qsort in sort_sections. */
396
397 static int
398 sort_by_file_name (const void *a, const void *b)
399 {
400 const lang_input_section_type *const *ra = a;
401 const lang_input_section_type *const *rb = b;
402 asection *sa = (*ra)->section;
403 asection *sb = (*rb)->section;
404 int i, a_sec, b_sec;
405
406 i = filename_cmp (bfd_get_filename (sa->owner->my_archive),
407 bfd_get_filename (sb->owner->my_archive));
408 if (i != 0)
409 return i;
410
411 i = filename_cmp (bfd_get_filename (sa->owner),
412 bfd_get_filename (sb->owner));
413 if (i != 0)
414 return i;
415 /* the tail idata4/5 are the only ones without relocs to an
416 idata$6 section unless we are importing by ordinal,
417 so sort them to last to terminate the IAT
418 and HNT properly. if no reloc this one is import by ordinal
419 so we have to sort by section contents */
420
421 if (sa->reloc_count + sb->reloc_count != 0)
422 {
423 i = sa->reloc_count > sb->reloc_count ? -1 : 0;
424 if (i != 0)
425 return i;
426
427 return sa->reloc_count > sb->reloc_count ? 0 : 1;
428 }
429 else
430 {
431 /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
432 if ((strcmp (sa->name, ".idata$6") == 0))
433 return 0;
434
435 if (!bfd_get_section_contents (sa->owner, sa, &a_sec, (file_ptr) 0,
436 (bfd_size_type) sizeof (a_sec)))
437 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
438 sa->owner);
439
440 if (!bfd_get_section_contents (sb->owner, sb, &b_sec, (file_ptr) 0,
441 (bfd_size_type) sizeof (b_sec)))
442 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
443 sb->owner);
444
445 i = a_sec < b_sec ? -1 : 0;
446 if (i != 0)
447 return i;
448 return a_sec < b_sec ? 0 : 1;
449 }
450 return 0;
451 }
452
453 static int
454 sort_by_section_name (const void *a, const void *b)
455 {
456 const lang_input_section_type *const *ra = a;
457 const lang_input_section_type *const *rb = b;
458 const char *sna = (*ra)->section->name;
459 const char *snb = (*rb)->section->name;
460 int i;
461 i = strcmp (sna, snb);
462 /* This is a hack to make .stab and .stabstr last, so we don't have
463 to fix strip/objcopy for .reloc sections.
464 FIXME stripping images with a .rsrc section still needs to be fixed. */
465 if (i != 0)
466 {
467 if ((startswith (sna, ".stab"))
468 && (!startswith (snb, ".stab")))
469 return 1;
470 }
471 return i;
472 }
473
474 /* Subroutine of sort_sections to a contiguous subset of a list of sections.
475 NEXT_AFTER is the element after the last one to sort.
476 The result is a pointer to the last element's "next" pointer. */
477
478 static lang_statement_union_type **
479 sort_sections_1 (lang_statement_union_type **startptr,
480 lang_statement_union_type *next_after,
481 int count,
482 int (*sort_func) (const void *, const void *))
483 {
484 lang_statement_union_type **vec;
485 lang_statement_union_type *p;
486 int i;
487 lang_statement_union_type **ret;
488
489 if (count == 0)
490 return startptr;
491
492 vec = ((lang_statement_union_type **)
493 xmalloc (count * sizeof (lang_statement_union_type *)));
494
495 for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
496 vec[i] = p;
497
498 qsort (vec, count, sizeof (vec[0]), sort_func);
499
500 /* Fill in the next pointers again. */
501 *startptr = vec[0];
502 for (i = 0; i < count - 1; i++)
503 vec[i]->header.next = vec[i + 1];
504 vec[i]->header.next = next_after;
505 ret = &vec[i]->header.next;
506 free (vec);
507 return ret;
508 }
509
510 /* Sort the .idata\$foo input sections of archives into filename order.
511 The reason is so dlltool can arrange to have the pe dll import information
512 generated correctly - the head of the list goes into dh.o, the tail into
513 dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
514 .idata section.
515 FIXME: This may no longer be necessary with grouped sections. Instead of
516 sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
517 .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
518 This would have to be elaborated upon to handle multiple dll's
519 [assuming such an eloboration is possible of course].
520
521 We also sort sections in '\$' wild statements. These are created by the
522 place_orphans routine to implement grouped sections. */
523
524 static void
525 sort_sections (lang_statement_union_type *s)
526 {
527 for (; s ; s = s->header.next)
528 switch (s->header.type)
529 {
530 case lang_output_section_statement_enum:
531 sort_sections (s->output_section_statement.children.head);
532 break;
533 case lang_wild_statement_enum:
534 {
535 lang_statement_union_type **p = &s->wild_statement.children.head;
536 struct wildcard_list *sec;
537
538 for (sec = s->wild_statement.section_list; sec; sec = sec->next)
539 {
540 /* Is this the .idata section? */
541 if (sec->spec.name != NULL
542 && startswith (sec->spec.name, ".idata"))
543 {
544 /* Sort the children. We want to sort any objects in
545 the same archive. In order to handle the case of
546 including a single archive multiple times, we sort
547 all the children by archive name and then by object
548 name. After sorting them, we re-thread the pointer
549 chain. */
550
551 while (*p)
552 {
553 lang_statement_union_type *start = *p;
554 if (start->header.type != lang_input_section_enum
555 || !start->input_section.section->owner->my_archive)
556 p = &(start->header.next);
557 else
558 {
559 lang_statement_union_type *end;
560 int count;
561
562 for (end = start, count = 0;
563 end && (end->header.type
564 == lang_input_section_enum);
565 end = end->header.next)
566 count++;
567
568 p = sort_sections_1 (p, end, count,
569 sort_by_file_name);
570 }
571 }
572 break;
573 }
574
575 /* If this is a collection of grouped sections, sort them.
576 The linker script must explicitly mention "*(.foo\$)" or
577 "*(.foo\$*)". Don't sort them if \$ is not the last
578 character (not sure if this is really useful, but it
579 allows explicitly mentioning some \$ sections and letting
580 the linker handle the rest). */
581 if (sec->spec.name != NULL)
582 {
583 char *q = strchr (sec->spec.name, '\$');
584
585 if (q != NULL
586 && (q[1] == '\0'
587 || (q[1] == '*' && q[2] == '\0')))
588 {
589 lang_statement_union_type *end;
590 int count;
591
592 for (end = *p, count = 0; end; end = end->header.next)
593 {
594 if (end->header.type != lang_input_section_enum)
595 abort ();
596 count++;
597 }
598 (void) sort_sections_1 (p, end, count,
599 sort_by_section_name);
600 }
601 break;
602 }
603 }
604 }
605 break;
606 default:
607 break;
608 }
609 }
610
611 static void
612 gld${EMULATION_NAME}_before_allocation (void)
613 {
614 #ifdef TARGET_IS_armpe
615 /* FIXME: we should be able to set the size of the interworking stub
616 section.
617
618 Here we rummage through the found bfds to collect glue
619 information. FIXME: should this be based on a command line
620 option? krk (a] cygnus.com */
621 {
622 LANG_FOR_EACH_INPUT_STATEMENT (is)
623 {
624 if (!arm_process_before_allocation (is->the_bfd, & link_info))
625 {
626 einfo (_("%P: errors encountered processing file %s\n"),
627 is->filename);
628 }
629 }
630 }
631
632 /* We have seen it all. Allocate it, and carry on */
633 arm_allocate_interworking_sections (& link_info);
634 #endif /* TARGET_IS_armpe */
635
636 sort_sections (stat_ptr->head);
637
638 before_allocation_default ();
639 }
640
642 /* Place an orphan section. We use this to put sections with a '\$' in them
643 into the right place. Any section with a '\$' in them (e.g. .text\$foo)
644 gets mapped to the output section with everything from the '\$' on stripped
645 (e.g. .text).
646 See the Microsoft Portable Executable and Common Object File Format
647 Specification 4.1, section 4.2, Grouped Sections.
648
649 FIXME: This is now handled by the linker script using wildcards,
650 but I'm leaving this here in case we want to enable it for sections
651 which are not mentioned in the linker script. */
652
653 static lang_output_section_statement_type *
654 gld${EMULATION_NAME}_place_orphan (asection *s,
655 const char *secname,
656 int constraint)
657 {
658 char *output_secname, *ps;
659 lang_output_section_statement_type *os;
660 lang_statement_union_type *l;
661
662 if ((s->flags & SEC_ALLOC) == 0)
663 return NULL;
664
665 /* Don't process grouped sections unless doing a final link.
666 If they're marked as COMDAT sections, we don't want .text\$foo to
667 end up in .text and then have .text disappear because it's marked
668 link-once-discard. */
669 if (bfd_link_relocatable (&link_info))
670 return NULL;
671
672 /* Everything from the '\$' on gets deleted so don't allow '\$' as the
673 first character. */
674 if (*secname == '\$')
675 einfo (_("%F%P: section %s has '\$' as first character\n"), secname);
676 if (strchr (secname + 1, '\$') == NULL)
677 return NULL;
678
679 /* Look up the output section. The Microsoft specs say sections names in
680 image files never contain a '\$'. Fortunately, lang_..._lookup creates
681 the section if it doesn't exist. */
682 output_secname = xstrdup (secname);
683 ps = strchr (output_secname + 1, '\$');
684 *ps = 0;
685 os = lang_output_section_statement_lookup (output_secname, constraint, true);
686
687 /* Find the '\$' wild statement for this section. We currently require the
688 linker script to explicitly mention "*(.foo\$)". */
689
690 ps[0] = '\$';
691 ps[1] = 0;
692 for (l = os->children.head; l; l = l->header.next)
693 if (l->header.type == lang_wild_statement_enum)
694 {
695 struct wildcard_list *sec;
696
697 for (sec = l->wild_statement.section_list; sec; sec = sec->next)
698 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
699 break;
700 if (sec)
701 break;
702 }
703 ps[0] = 0;
704 if (l == NULL)
705 einfo (_("%F%P: *(%s\$) missing from linker script\n"), output_secname);
706
707 /* Link the input section in and we're done for now.
708 The sections still have to be sorted, but that has to wait until
709 all such sections have been processed by us. The sorting is done by
710 sort_sections. */
711 lang_add_section (&l->wild_statement.children, s, NULL, NULL, os);
712
713 return os;
714 }
715
717 static char *
718 gld${EMULATION_NAME}_get_script (int *isfile)
719 EOF
720
721 if test x"$COMPILE_IN" = xyes
722 then
723 # Scripts compiled in.
724
725 # sed commands to quote an ld script as a C string.
726 sc="-f ${srcdir}/emultempl/stringify.sed"
727
728 fragment <<EOF
729 {
730 *isfile = 0;
731
732 if (bfd_link_relocatable (&link_info) && config.build_constructors)
733 return
734 EOF
735 sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
736 echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
737 sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
738 echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
739 sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
740 echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
741 sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
742 echo ' ; else return' >> e${EMULATION_NAME}.c
743 sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
744 echo '; }' >> e${EMULATION_NAME}.c
745
746 else
747 # Scripts read from the filesystem.
748
749 fragment <<EOF
750 {
751 *isfile = 1;
752
753 if (bfd_link_relocatable (&link_info) && config.build_constructors)
754 return "ldscripts/${EMULATION_NAME}.xu";
755 else if (bfd_link_relocatable (&link_info))
756 return "ldscripts/${EMULATION_NAME}.xr";
757 else if (!config.text_read_only)
758 return "ldscripts/${EMULATION_NAME}.xbn";
759 else if (!config.magic_demand_paged)
760 return "ldscripts/${EMULATION_NAME}.xn";
761 else
762 return "ldscripts/${EMULATION_NAME}.x";
763 }
764 EOF
765 fi
766
767 LDEMUL_AFTER_OPEN=gld${EMULATION_NAME}_after_open
768 LDEMUL_BEFORE_ALLOCATION=gld${EMULATION_NAME}_before_allocation
769 LDEMUL_PLACE_ORPHAN=gld${EMULATION_NAME}_place_orphan
770 LDEMUL_SET_SYMBOLS=gld${EMULATION_NAME}_set_symbols
771 LDEMUL_ADD_OPTIONS=gld${EMULATION_NAME}_add_options
772 LDEMUL_HANDLE_OPTION=gld${EMULATION_NAME}_handle_option
773
774 source_em ${srcdir}/emultempl/emulation.em
775