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[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,
f13a99db 11 2005, 2006, 2007, 2008 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${EMULATION_NAME}_handle_option (int optc)
252b5132 264{
252b5132
RH
265 switch (optc)
266 {
267 default:
3bcf5557 268 return FALSE;
252b5132
RH
269
270 case OPTION_BASE_FILE:
0c7a8e5a 271 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132
RH
272 if (link_info.base_file == NULL)
273 {
274 fprintf (stderr, "%s: Can't open base file %s\n",
275 program_name, optarg);
276 xexit (1);
277 }
278 break;
279
280 /* PE options */
9b5799b8 281 case OPTION_HEAP:
252b5132
RH
282 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
283 break;
9b5799b8 284 case OPTION_STACK:
252b5132
RH
285 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
286 break;
287 case OPTION_SUBSYSTEM:
288 set_pe_subsystem ();
289 break;
290 case OPTION_MAJOR_OS_VERSION:
291 set_pe_value ("__major_os_version__");
292 break;
293 case OPTION_MINOR_OS_VERSION:
294 set_pe_value ("__minor_os_version__");
295 break;
296 case OPTION_MAJOR_SUBSYSTEM_VERSION:
297 set_pe_value ("__major_subsystem_version__");
298 break;
299 case OPTION_MINOR_SUBSYSTEM_VERSION:
300 set_pe_value ("__minor_subsystem_version__");
301 break;
302 case OPTION_MAJOR_IMAGE_VERSION:
303 set_pe_value ("__major_image_version__");
304 break;
305 case OPTION_MINOR_IMAGE_VERSION:
306 set_pe_value ("__minor_image_version__");
307 break;
308 case OPTION_FILE_ALIGNMENT:
309 set_pe_value ("__file_alignment__");
310 break;
311 case OPTION_SECTION_ALIGNMENT:
312 set_pe_value ("__section_alignment__");
313 break;
314 case OPTION_DLL:
315 set_pe_name ("__dll__", 1);
316 break;
317 case OPTION_IMAGE_BASE:
318 set_pe_value ("__image_base__");
319 break;
320 }
3bcf5557 321 return TRUE;
252b5132
RH
322}
323\f
324/* Assign values to the special symbols before the linker script is
325 read. */
326
327static void
0c7a8e5a 328gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
329{
330 /* Run through and invent symbols for all the
331 names and insert the defaults. */
332 int j;
333 lang_statement_list_type *save;
334
335 if (!init[IMAGEBASEOFF].inited)
336 {
1049f94e 337 if (link_info.relocatable)
252b5132
RH
338 init[IMAGEBASEOFF].value = 0;
339 else if (init[DLLOFF].value)
340 init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
341 else
342 init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
343 }
344
1049f94e
AM
345 /* Don't do any symbol assignments if this is a relocatable link. */
346 if (link_info.relocatable)
252b5132
RH
347 return;
348
349 /* Glue the assignments into the abs section */
350 save = stat_ptr;
351
352 stat_ptr = &(abs_output_section->children);
353
354 for (j = 0; init[j].ptr; j++)
355 {
356 long val = init[j].value;
2c382fb6 357 lang_add_assignment (exp_assop ('=', init[j].symbol, exp_intop (val)));
252b5132
RH
358 if (init[j].size == sizeof(short))
359 *(short *)init[j].ptr = val;
360 else if (init[j].size == sizeof(int))
361 *(int *)init[j].ptr = val;
362 else if (init[j].size == sizeof(long))
363 *(long *)init[j].ptr = val;
364 /* This might be a long long or other special type. */
365 else if (init[j].size == sizeof(bfd_vma))
366 *(bfd_vma *)init[j].ptr = val;
367 else abort();
368 }
369 /* Restore the pointer. */
370 stat_ptr = save;
9b5799b8 371
252b5132
RH
372 if (pe.FileAlignment >
373 pe.SectionAlignment)
374 {
375 einfo ("%P: warning, file alignment > section alignment.\n");
376 }
377}
378
379static void
0c7a8e5a 380gld_${EMULATION_NAME}_after_open (void)
252b5132
RH
381{
382 /* Pass the wacky PE command line options into the output bfd.
383 FIXME: This should be done via a function, rather than by
384 including an internal BFD header. */
f13a99db 385 if (!coff_data(link_info.output_bfd)->pe)
252b5132
RH
386 {
387 einfo ("%F%P: PE operations on non PE file.\n");
388 }
389
f13a99db
AM
390 pe_data(link_info.output_bfd)->pe_opthdr = pe;
391 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
252b5132
RH
392
393}
394\f
395/* Callback functions for qsort in sort_sections. */
396
397static int
0c7a8e5a 398sort_by_file_name (const void *a, const void *b)
252b5132 399{
db09f25b
AM
400 const lang_statement_union_type *const *ra = a;
401 const lang_statement_union_type *const *rb = b;
252b5132
RH
402 int i, a_sec, b_sec;
403
7b986e99
AM
404 i = strcmp ((*ra)->input_section.section->owner->my_archive->filename,
405 (*rb)->input_section.section->owner->my_archive->filename);
252b5132
RH
406 if (i != 0)
407 return i;
408
7b986e99
AM
409 i = strcmp ((*ra)->input_section.section->owner->filename,
410 (*rb)->input_section.section->owner->filename);
252b5132
RH
411 if (i != 0)
412 return i;
413 /* the tail idata4/5 are the only ones without relocs to an
9b5799b8 414 idata$6 section unless we are importing by ordinal,
252b5132
RH
415 so sort them to last to terminate the IAT
416 and HNT properly. if no reloc this one is import by ordinal
417 so we have to sort by section contents */
418
419 if ( ((*ra)->input_section.section->reloc_count + (*rb)->input_section.section->reloc_count) )
420 {
9b5799b8 421 i = (((*ra)->input_section.section->reloc_count >
252b5132
RH
422 (*rb)->input_section.section->reloc_count) ? -1 : 0);
423 if ( i != 0)
424 return i;
425
9b5799b8 426 return (((*ra)->input_section.section->reloc_count >
252b5132
RH
427 (*rb)->input_section.section->reloc_count) ? 0 : 1);
428 }
429 else
430 {
431 if ( (strcmp( (*ra)->input_section.section->name, ".idata$6") == 0) )
432 return 0; /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
433
7b986e99 434 if (! bfd_get_section_contents ((*ra)->input_section.section->owner,
252b5132
RH
435 (*ra)->input_section.section, &a_sec, (file_ptr) 0, (bfd_size_type)sizeof(a_sec)))
436 einfo ("%F%B: Can't read contents of section .idata: %E\n",
7b986e99 437 (*ra)->input_section.section->owner);
252b5132 438
7b986e99 439 if (! bfd_get_section_contents ((*rb)->input_section.section->owner,
252b5132
RH
440 (*rb)->input_section.section, &b_sec, (file_ptr) 0, (bfd_size_type)sizeof(b_sec) ))
441 einfo ("%F%B: Can't read contents of section .idata: %E\n",
7b986e99 442 (*rb)->input_section.section->owner);
252b5132
RH
443
444 i = ((a_sec < b_sec) ? -1 : 0);
445 if ( i != 0)
446 return i;
447 return ((a_sec < b_sec) ? 0 : 1);
448 }
449return 0;
450}
451
452static int
0c7a8e5a 453sort_by_section_name (const void *a, const void *b)
252b5132 454{
db09f25b
AM
455 const lang_statement_union_type *const *ra = a;
456 const lang_statement_union_type *const *rb = b;
252b5132
RH
457 int i;
458 i = strcmp ((*ra)->input_section.section->name,
0112cd26
NC
459 (*rb)->input_section.section->name);
460 /* This is a hack to make .stab and .stabstr last, so we don't have
461 to fix strip/objcopy for .reloc sections.
462 FIXME stripping images with a .rsrc section still needs to be fixed. */
463 if (i != 0)
252b5132 464 {
0112cd26
NC
465 if ((CONST_STRNEQ ((*ra)->input_section.section->name, ".stab"))
466 && (! CONST_STRNEQ ((*rb)->input_section.section->name, ".stab")))
252b5132 467 return 1;
252b5132
RH
468 }
469 return i;
470}
471
472/* Subroutine of sort_sections to a contiguous subset of a list of sections.
473 NEXT_AFTER is the element after the last one to sort.
474 The result is a pointer to the last element's "next" pointer. */
475
476static lang_statement_union_type **
0c7a8e5a
AM
477sort_sections_1 (lang_statement_union_type **startptr,
478 lang_statement_union_type *next_after,
479 int count,
480 int (*sort_func) (const void *, const void *))
252b5132
RH
481{
482 lang_statement_union_type **vec;
483 lang_statement_union_type *p;
484 int i;
485 lang_statement_union_type **ret;
486
487 if (count == 0)
488 return startptr;
489
490 vec = ((lang_statement_union_type **)
491 xmalloc (count * sizeof (lang_statement_union_type *)));
492
bba1a0c0 493 for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
252b5132
RH
494 vec[i] = p;
495
496 qsort (vec, count, sizeof (vec[0]), sort_func);
497
498 /* Fill in the next pointers again. */
499 *startptr = vec[0];
500 for (i = 0; i < count - 1; i++)
501 vec[i]->header.next = vec[i + 1];
502 vec[i]->header.next = next_after;
503 ret = &vec[i]->header.next;
504 free (vec);
505 return ret;
506}
507
508/* Sort the .idata\$foo input sections of archives into filename order.
509 The reason is so dlltool can arrange to have the pe dll import information
510 generated correctly - the head of the list goes into dh.o, the tail into
511 dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
512 .idata section.
513 FIXME: This may no longer be necessary with grouped sections. Instead of
514 sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
515 .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
516 This would have to be elaborated upon to handle multiple dll's
517 [assuming such an eloboration is possible of course].
518
519 We also sort sections in '\$' wild statements. These are created by the
520 place_orphans routine to implement grouped sections. */
521
522static void
0c7a8e5a 523sort_sections (lang_statement_union_type *s)
252b5132 524{
bba1a0c0 525 for (; s ; s = s->header.next)
252b5132
RH
526 switch (s->header.type)
527 {
528 case lang_output_section_statement_enum:
529 sort_sections (s->output_section_statement.children.head);
530 break;
531 case lang_wild_statement_enum:
532 {
533 lang_statement_union_type **p = &s->wild_statement.children.head;
3fd36710 534 struct wildcard_list *sec;
252b5132 535
3fd36710 536 for (sec = s->wild_statement.section_list; sec; sec = sec->next)
252b5132 537 {
3fd36710
AM
538 /* Is this the .idata section? */
539 if (sec->spec.name != NULL
0112cd26 540 && CONST_STRNEQ (sec->spec.name, ".idata"))
252b5132 541 {
3fd36710
AM
542 /* Sort the children. We want to sort any objects in
543 the same archive. In order to handle the case of
544 including a single archive multiple times, we sort
545 all the children by archive name and then by object
546 name. After sorting them, we re-thread the pointer
547 chain. */
548
549 while (*p)
252b5132 550 {
3fd36710
AM
551 lang_statement_union_type *start = *p;
552 if (start->header.type != lang_input_section_enum
7b986e99 553 || !start->input_section.section->owner->my_archive)
3fd36710
AM
554 p = &(start->header.next);
555 else
556 {
557 lang_statement_union_type *end;
558 int count;
559
560 for (end = start, count = 0;
561 end && (end->header.type
562 == lang_input_section_enum);
bba1a0c0 563 end = end->header.next)
3fd36710
AM
564 count++;
565
566 p = sort_sections_1 (p, end, count,
567 sort_by_file_name);
568 }
252b5132 569 }
3fd36710 570 break;
252b5132 571 }
252b5132 572
3fd36710
AM
573 /* If this is a collection of grouped sections, sort them.
574 The linker script must explicitly mention "*(.foo\$)" or
575 "*(.foo\$*)". Don't sort them if \$ is not the last
576 character (not sure if this is really useful, but it
577 allows explicitly mentioning some \$ sections and letting
578 the linker handle the rest). */
579 if (sec->spec.name != NULL)
252b5132 580 {
3fd36710 581 char *q = strchr (sec->spec.name, '\$');
252b5132 582
3fd36710
AM
583 if (q != NULL
584 && (q[1] == '\0'
585 || (q[1] == '*' && q[2] == '\0')))
252b5132 586 {
3fd36710
AM
587 lang_statement_union_type *end;
588 int count;
589
bba1a0c0 590 for (end = *p, count = 0; end; end = end->header.next)
3fd36710
AM
591 {
592 if (end->header.type != lang_input_section_enum)
593 abort ();
594 count++;
595 }
596 (void) sort_sections_1 (p, end, count,
597 sort_by_section_name);
252b5132 598 }
3fd36710 599 break;
252b5132 600 }
252b5132
RH
601 }
602 }
603 break;
604 default:
605 break;
606 }
607}
608
9b5799b8 609static void
0c7a8e5a 610gld_${EMULATION_NAME}_before_allocation (void)
252b5132
RH
611{
612 extern lang_statement_list_type *stat_ptr;
613
614#ifdef TARGET_IS_ppcpe
615 /* Here we rummage through the found bfds to collect toc information */
616 {
617 LANG_FOR_EACH_INPUT_STATEMENT (is)
618 {
619 if (!ppc_process_before_allocation(is->the_bfd, &link_info))
620 {
621 einfo("Errors encountered processing file %s\n", is->filename);
622 }
623 }
624 }
625
626 /* We have seen it all. Allocate it, and carry on */
627 ppc_allocate_toc_section (&link_info);
628#else
629#ifdef TARGET_IS_armpe
630 /* FIXME: we should be able to set the size of the interworking stub
631 section.
632
633 Here we rummage through the found bfds to collect glue
634 information. FIXME: should this be based on a command line
635 option? krk@cygnus.com */
636 {
637 LANG_FOR_EACH_INPUT_STATEMENT (is)
638 {
639 if (!arm_process_before_allocation (is->the_bfd, & link_info))
640 {
641 einfo ("Errors encountered processing file %s", is->filename);
642 }
643 }
644 }
645
646 /* We have seen it all. Allocate it, and carry on */
647 arm_allocate_interworking_sections (& link_info);
648#endif /* TARGET_IS_armpe */
649#endif /* TARGET_IS_ppcpe */
650
651 sort_sections (stat_ptr->head);
8423293d 652
1e035701 653 before_allocation_default ();
252b5132
RH
654}
655\f
656/* Place an orphan section. We use this to put sections with a '\$' in them
657 into the right place. Any section with a '\$' in them (e.g. .text\$foo)
658 gets mapped to the output section with everything from the '\$' on stripped
659 (e.g. .text).
660 See the Microsoft Portable Executable and Common Object File Format
661 Specification 4.1, section 4.2, Grouped Sections.
662
663 FIXME: This is now handled by the linker script using wildcards,
664 but I'm leaving this here in case we want to enable it for sections
665 which are not mentioned in the linker script. */
666
b34976b6 667static bfd_boolean
7b986e99 668gld${EMULATION_NAME}_place_orphan (asection *s)
252b5132
RH
669{
670 const char *secname;
671 char *output_secname, *ps;
672 lang_output_section_statement_type *os;
673 lang_statement_union_type *l;
674
675 if ((s->flags & SEC_ALLOC) == 0)
b34976b6 676 return FALSE;
252b5132
RH
677
678 /* Don't process grouped sections unless doing a final link.
679 If they're marked as COMDAT sections, we don't want .text\$foo to
680 end up in .text and then have .text disappear because it's marked
681 link-once-discard. */
1049f94e 682 if (link_info.relocatable)
b34976b6 683 return FALSE;
252b5132
RH
684
685 secname = bfd_get_section_name (s->owner, s);
686
687 /* Everything from the '\$' on gets deleted so don't allow '\$' as the
688 first character. */
689 if (*secname == '\$')
690 einfo ("%P%F: section %s has '\$' as first character\n", secname);
691 if (strchr (secname + 1, '\$') == NULL)
b34976b6 692 return FALSE;
252b5132
RH
693
694 /* Look up the output section. The Microsoft specs say sections names in
695 image files never contain a '\$'. Fortunately, lang_..._lookup creates
696 the section if it doesn't exist. */
c7e40348 697 output_secname = xstrdup (secname);
252b5132
RH
698 ps = strchr (output_secname + 1, '\$');
699 *ps = 0;
700 os = lang_output_section_statement_lookup (output_secname);
701
702 /* Find the '\$' wild statement for this section. We currently require the
703 linker script to explicitly mention "*(.foo\$)".
704 FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
705 Microsoft docs this isn't correct so it's not (currently) handled. */
706
707 ps[0] = '\$';
708 ps[1] = 0;
bba1a0c0 709 for (l = os->children.head; l; l = l->header.next)
3fd36710
AM
710 if (l->header.type == lang_wild_statement_enum)
711 {
712 struct wildcard_list *sec;
713
714 for (sec = l->wild_statement.section_list; sec; sec = sec->next)
715 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
716 break;
717 if (sec)
718 break;
719 }
252b5132
RH
720 ps[0] = 0;
721 if (l == NULL)
252b5132 722 einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);
252b5132
RH
723
724 /* Link the input section in and we're done for now.
725 The sections still have to be sorted, but that has to wait until
726 all such sections have been processed by us. The sorting is done by
727 sort_sections. */
7b986e99 728 lang_add_section (&l->wild_statement.children, s, os);
252b5132 729
b34976b6 730 return TRUE;
252b5132
RH
731}
732\f
733static char *
0c7a8e5a 734gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
735EOF
736# Scripts compiled in.
737# sed commands to quote an ld script as a C string.
597e2591 738sc="-f stringify.sed"
252b5132 739
92b93329 740fragment <<EOF
9b5799b8 741{
252b5132
RH
742 *isfile = 0;
743
1049f94e 744 if (link_info.relocatable && config.build_constructors)
252b5132
RH
745 return
746EOF
b34976b6 747sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1049f94e 748echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
b34976b6
AM
749sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
750echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
751sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
752echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
753sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
754echo ' ; else return' >> e${EMULATION_NAME}.c
755sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
756echo '; }' >> e${EMULATION_NAME}.c
252b5132 757
92b93329 758fragment <<EOF
252b5132
RH
759
760
9b5799b8 761struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
762{
763 gld_${EMULATION_NAME}_before_parse,
764 syslib_default,
765 hll_default,
766 after_parse_default,
767 gld_${EMULATION_NAME}_after_open,
768 after_allocation_default,
769 set_output_arch_default,
770 ldemul_default_target,
771 gld_${EMULATION_NAME}_before_allocation,
772 gld_${EMULATION_NAME}_get_script,
773 "${EMULATION_NAME}",
774 "${OUTPUT_FORMAT}",
1e035701 775 finish_default,
252b5132
RH
776 NULL, /* create output section statements */
777 NULL, /* open dynamic archive */
778 gld${EMULATION_NAME}_place_orphan,
779 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
780 NULL, /* parse_args */
781 gld${EMULATION_NAME}_add_options,
782 gld${EMULATION_NAME}_handle_option,
e1c47aa4
AM
783 NULL, /* unrecognized file */
784 NULL, /* list options */
40d109bf 785 NULL, /* recognized file */
fac1652d
AM
786 NULL, /* find_potential_libraries */
787 NULL /* new_vers_pattern */
252b5132
RH
788};
789EOF
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