* ld.texinfo (Expression Section): Describe treatment of numbers
[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,
bde18da4 11 2005, 2006, 2007, 2008, 2009 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;
252b5132
RH
333
334 if (!init[IMAGEBASEOFF].inited)
335 {
1049f94e 336 if (link_info.relocatable)
252b5132
RH
337 init[IMAGEBASEOFF].value = 0;
338 else if (init[DLLOFF].value)
339 init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
340 else
341 init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
342 }
343
1049f94e
AM
344 /* Don't do any symbol assignments if this is a relocatable link. */
345 if (link_info.relocatable)
252b5132
RH
346 return;
347
348 /* Glue the assignments into the abs section */
bde18da4 349 push_stat_ptr (&abs_output_section->children);
252b5132
RH
350
351 for (j = 0; init[j].ptr; j++)
352 {
353 long val = init[j].value;
2c382fb6 354 lang_add_assignment (exp_assop ('=', init[j].symbol, exp_intop (val)));
252b5132
RH
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. */
bde18da4 367 pop_stat_ptr ();
9b5799b8 368
252b5132
RH
369 if (pe.FileAlignment >
370 pe.SectionAlignment)
371 {
372 einfo ("%P: warning, file alignment > section alignment.\n");
373 }
374}
375
376static void
0c7a8e5a 377gld_${EMULATION_NAME}_after_open (void)
252b5132 378{
5c3049d2
AM
379 after_open_default ();
380
252b5132
RH
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. */
f13a99db 384 if (!coff_data(link_info.output_bfd)->pe)
252b5132
RH
385 {
386 einfo ("%F%P: PE operations on non PE file.\n");
387 }
388
f13a99db
AM
389 pe_data(link_info.output_bfd)->pe_opthdr = pe;
390 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
252b5132
RH
391
392}
393\f
394/* Callback functions for qsort in sort_sections. */
395
396static int
0c7a8e5a 397sort_by_file_name (const void *a, const void *b)
252b5132 398{
db09f25b
AM
399 const lang_statement_union_type *const *ra = a;
400 const lang_statement_union_type *const *rb = b;
252b5132
RH
401 int i, a_sec, b_sec;
402
7b986e99
AM
403 i = strcmp ((*ra)->input_section.section->owner->my_archive->filename,
404 (*rb)->input_section.section->owner->my_archive->filename);
252b5132
RH
405 if (i != 0)
406 return i;
407
7b986e99
AM
408 i = strcmp ((*ra)->input_section.section->owner->filename,
409 (*rb)->input_section.section->owner->filename);
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
418 if ( ((*ra)->input_section.section->reloc_count + (*rb)->input_section.section->reloc_count) )
419 {
9b5799b8 420 i = (((*ra)->input_section.section->reloc_count >
252b5132
RH
421 (*rb)->input_section.section->reloc_count) ? -1 : 0);
422 if ( i != 0)
423 return i;
424
9b5799b8 425 return (((*ra)->input_section.section->reloc_count >
252b5132
RH
426 (*rb)->input_section.section->reloc_count) ? 0 : 1);
427 }
428 else
429 {
430 if ( (strcmp( (*ra)->input_section.section->name, ".idata$6") == 0) )
431 return 0; /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
432
7b986e99 433 if (! bfd_get_section_contents ((*ra)->input_section.section->owner,
252b5132
RH
434 (*ra)->input_section.section, &a_sec, (file_ptr) 0, (bfd_size_type)sizeof(a_sec)))
435 einfo ("%F%B: Can't read contents of section .idata: %E\n",
7b986e99 436 (*ra)->input_section.section->owner);
252b5132 437
7b986e99 438 if (! bfd_get_section_contents ((*rb)->input_section.section->owner,
252b5132
RH
439 (*rb)->input_section.section, &b_sec, (file_ptr) 0, (bfd_size_type)sizeof(b_sec) ))
440 einfo ("%F%B: Can't read contents of section .idata: %E\n",
7b986e99 441 (*rb)->input_section.section->owner);
252b5132
RH
442
443 i = ((a_sec < b_sec) ? -1 : 0);
444 if ( i != 0)
445 return i;
446 return ((a_sec < b_sec) ? 0 : 1);
447 }
448return 0;
449}
450
451static int
0c7a8e5a 452sort_by_section_name (const void *a, const void *b)
252b5132 453{
db09f25b
AM
454 const lang_statement_union_type *const *ra = a;
455 const lang_statement_union_type *const *rb = b;
252b5132
RH
456 int i;
457 i = strcmp ((*ra)->input_section.section->name,
0112cd26
NC
458 (*rb)->input_section.section->name);
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 {
0112cd26
NC
464 if ((CONST_STRNEQ ((*ra)->input_section.section->name, ".stab"))
465 && (! CONST_STRNEQ ((*rb)->input_section.section->name, ".stab")))
252b5132 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_ppcpe
612 /* Here we rummage through the found bfds to collect toc information */
613 {
614 LANG_FOR_EACH_INPUT_STATEMENT (is)
615 {
616 if (!ppc_process_before_allocation(is->the_bfd, &link_info))
617 {
618 einfo("Errors encountered processing file %s\n", is->filename);
619 }
620 }
621 }
622
623 /* We have seen it all. Allocate it, and carry on */
624 ppc_allocate_toc_section (&link_info);
625#else
626#ifdef TARGET_IS_armpe
627 /* FIXME: we should be able to set the size of the interworking stub
628 section.
629
630 Here we rummage through the found bfds to collect glue
631 information. FIXME: should this be based on a command line
632 option? krk@cygnus.com */
633 {
634 LANG_FOR_EACH_INPUT_STATEMENT (is)
635 {
636 if (!arm_process_before_allocation (is->the_bfd, & link_info))
637 {
638 einfo ("Errors encountered processing file %s", is->filename);
639 }
640 }
641 }
642
643 /* We have seen it all. Allocate it, and carry on */
644 arm_allocate_interworking_sections (& link_info);
645#endif /* TARGET_IS_armpe */
646#endif /* TARGET_IS_ppcpe */
647
648 sort_sections (stat_ptr->head);
8423293d 649
1e035701 650 before_allocation_default ();
252b5132
RH
651}
652\f
653/* Place an orphan section. We use this to put sections with a '\$' in them
654 into the right place. Any section with a '\$' in them (e.g. .text\$foo)
655 gets mapped to the output section with everything from the '\$' on stripped
656 (e.g. .text).
657 See the Microsoft Portable Executable and Common Object File Format
658 Specification 4.1, section 4.2, Grouped Sections.
659
660 FIXME: This is now handled by the linker script using wildcards,
661 but I'm leaving this here in case we want to enable it for sections
662 which are not mentioned in the linker script. */
663
c2edb4b8 664static lang_output_section_statement_type *
8a99a385
AM
665gld${EMULATION_NAME}_place_orphan (asection *s,
666 const char *secname,
667 int constraint)
252b5132 668{
252b5132
RH
669 char *output_secname, *ps;
670 lang_output_section_statement_type *os;
671 lang_statement_union_type *l;
672
673 if ((s->flags & SEC_ALLOC) == 0)
c2edb4b8 674 return NULL;
252b5132
RH
675
676 /* Don't process grouped sections unless doing a final link.
677 If they're marked as COMDAT sections, we don't want .text\$foo to
678 end up in .text and then have .text disappear because it's marked
679 link-once-discard. */
1049f94e 680 if (link_info.relocatable)
c2edb4b8 681 return NULL;
252b5132 682
252b5132
RH
683 /* Everything from the '\$' on gets deleted so don't allow '\$' as the
684 first character. */
685 if (*secname == '\$')
686 einfo ("%P%F: section %s has '\$' as first character\n", secname);
687 if (strchr (secname + 1, '\$') == NULL)
c2edb4b8 688 return NULL;
252b5132
RH
689
690 /* Look up the output section. The Microsoft specs say sections names in
691 image files never contain a '\$'. Fortunately, lang_..._lookup creates
692 the section if it doesn't exist. */
c7e40348 693 output_secname = xstrdup (secname);
252b5132
RH
694 ps = strchr (output_secname + 1, '\$');
695 *ps = 0;
8a99a385 696 os = lang_output_section_statement_lookup (output_secname, constraint, TRUE);
252b5132
RH
697
698 /* Find the '\$' wild statement for this section. We currently require the
699 linker script to explicitly mention "*(.foo\$)".
700 FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
701 Microsoft docs this isn't correct so it's not (currently) handled. */
702
703 ps[0] = '\$';
704 ps[1] = 0;
bba1a0c0 705 for (l = os->children.head; l; l = l->header.next)
3fd36710
AM
706 if (l->header.type == lang_wild_statement_enum)
707 {
708 struct wildcard_list *sec;
709
710 for (sec = l->wild_statement.section_list; sec; sec = sec->next)
711 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
712 break;
713 if (sec)
714 break;
715 }
252b5132
RH
716 ps[0] = 0;
717 if (l == NULL)
252b5132 718 einfo ("%P%F: *(%s\$) missing from linker script\n", output_secname);
252b5132
RH
719
720 /* Link the input section in and we're done for now.
721 The sections still have to be sorted, but that has to wait until
722 all such sections have been processed by us. The sorting is done by
723 sort_sections. */
7b986e99 724 lang_add_section (&l->wild_statement.children, s, os);
252b5132 725
c2edb4b8 726 return os;
252b5132
RH
727}
728\f
729static char *
0c7a8e5a 730gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
731EOF
732# Scripts compiled in.
733# sed commands to quote an ld script as a C string.
597e2591 734sc="-f stringify.sed"
252b5132 735
92b93329 736fragment <<EOF
9b5799b8 737{
252b5132
RH
738 *isfile = 0;
739
1049f94e 740 if (link_info.relocatable && config.build_constructors)
252b5132
RH
741 return
742EOF
b34976b6 743sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1049f94e 744echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
b34976b6
AM
745sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
746echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
747sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
748echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
749sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
750echo ' ; else return' >> e${EMULATION_NAME}.c
751sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
752echo '; }' >> e${EMULATION_NAME}.c
252b5132 753
92b93329 754fragment <<EOF
252b5132
RH
755
756
9b5799b8 757struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
758{
759 gld_${EMULATION_NAME}_before_parse,
760 syslib_default,
761 hll_default,
762 after_parse_default,
763 gld_${EMULATION_NAME}_after_open,
764 after_allocation_default,
765 set_output_arch_default,
766 ldemul_default_target,
767 gld_${EMULATION_NAME}_before_allocation,
768 gld_${EMULATION_NAME}_get_script,
769 "${EMULATION_NAME}",
770 "${OUTPUT_FORMAT}",
1e035701 771 finish_default,
252b5132
RH
772 NULL, /* create output section statements */
773 NULL, /* open dynamic archive */
774 gld${EMULATION_NAME}_place_orphan,
775 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
776 NULL, /* parse_args */
777 gld${EMULATION_NAME}_add_options,
778 gld${EMULATION_NAME}_handle_option,
e1c47aa4
AM
779 NULL, /* unrecognized file */
780 NULL, /* list options */
40d109bf 781 NULL, /* recognized file */
fac1652d
AM
782 NULL, /* find_potential_libraries */
783 NULL /* new_vers_pattern */
252b5132
RH
784};
785EOF
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