Show AIX gc'd symbol address adjustments in map file
[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.
b3adc24a 10 Copyright (C) 1995-2020 Free Software Foundation, Inc.
252b5132 11
f96b4a7b
NC
12 This file is part of the GNU Binutils.
13
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 3 of the License, or
17 (at your option) any later version.
18
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
26 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
27 MA 02110-1301, USA. */
28
252b5132
RH
29
30/* For WINDOWS_NT */
31/* The original file generated returned different default scripts depending
32 on whether certain switches were set, but these switches pertain to the
33 Linux system and that particular version of coff. In the NT case, we
34 only determine if the subsystem is console or windows in order to select
9b5799b8
AJ
35 the correct entry point by default. */
36
252b5132 37#include "sysdep.h"
3db64b00 38#include "bfd.h"
252b5132 39#include "bfdlink.h"
1ff6de03 40#include "ctf-api.h"
252b5132
RH
41#include "getopt.h"
42#include "libiberty.h"
42627821 43#include "filenames.h"
252b5132
RH
44#include "ld.h"
45#include "ldmain.h"
252b5132
RH
46#include "ldexp.h"
47#include "ldlang.h"
b71e2778 48#include "ldfile.h"
252b5132 49#include "ldemul.h"
df2a7313 50#include <ldgram.h>
252b5132
RH
51#include "ldlex.h"
52#include "ldmisc.h"
53#include "ldctor.h"
252b5132
RH
54#include "coff/internal.h"
55#include "../bfd/libcoff.h"
56
57#define TARGET_IS_${EMULATION_NAME}
58
252b5132
RH
59static struct internal_extra_pe_aouthdr pe;
60static int dll;
61
62extern const char *output_filename;
63
64static void
0c7a8e5a 65gld_${EMULATION_NAME}_before_parse (void)
252b5132 66{
5e2f1575 67 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
db8d4f23 68 output_filename = "a.exe";
252b5132
RH
69}
70\f
71/* PE format extra command line options. */
72
73/* Used for setting flags in the PE header. */
74#define OPTION_BASE_FILE (300 + 1)
75#define OPTION_DLL (OPTION_BASE_FILE + 1)
76#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
77#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
78#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
79#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
80#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
81#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
82#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
83#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
84#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
6c19b93b
AM
85#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
86#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
252b5132
RH
87#define OPTION_HEAP (OPTION_SUBSYSTEM + 1)
88
3bcf5557 89static void
0c7a8e5a
AM
90gld${EMULATION_NAME}_add_options
91 (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
92 struct option **longopts, int nrl ATTRIBUTE_UNUSED,
93 struct option **really_longopts ATTRIBUTE_UNUSED)
3bcf5557
AM
94{
95 static const struct option xtra_long[] = {
96 /* PE options */
252b5132
RH
97 {"base-file", required_argument, NULL, OPTION_BASE_FILE},
98 {"dll", no_argument, NULL, OPTION_DLL},
99 {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
9b5799b8
AJ
100 {"heap", required_argument, NULL, OPTION_HEAP},
101 {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
252b5132
RH
102 {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
103 {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
104 {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
105 {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
106 {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
107 {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
108 {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
109 {"stack", required_argument, NULL, OPTION_STACK},
110 {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
3bcf5557 111 {NULL, no_argument, NULL, 0}
252b5132
RH
112 };
113
3bcf5557
AM
114 *longopts = (struct option *)
115 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
116 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
117}
118
252b5132
RH
119
120/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
121 parameters which may be input from the command line */
122
123typedef struct {
124 void *ptr;
125 int size;
126 int value;
127 char *symbol;
128 int inited;
129} definfo;
130
131#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
132
133static definfo init[] =
134{
135 /* imagebase must be first */
136#define IMAGEBASEOFF 0
137 D(ImageBase,"__image_base__", BEOS_EXE_IMAGE_BASE),
138#define DLLOFF 1
ff7e6f88 139 {&dll, sizeof(dll), 0, "__dll__", 0},
252b5132
RH
140 D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
141 D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
142 D(MajorOperatingSystemVersion,"__major_os_version__", 4),
143 D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
144 D(MajorImageVersion,"__major_image_version__", 1),
145 D(MinorImageVersion,"__minor_image_version__", 0),
146 D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
147 D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
148 D(Subsystem,"__subsystem__", 3),
149 D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
150 D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
151 D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
152 D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
153 D(LoaderFlags,"__loader_flags__", 0x0),
154 { NULL, 0, 0, NULL, 0 }
155};
156
157
158static void
0c7a8e5a 159set_pe_name (char *name, long val)
252b5132
RH
160{
161 int i;
162 /* Find the name and set it. */
163 for (i = 0; init[i].ptr; i++)
164 {
165 if (strcmp (name, init[i].symbol) == 0)
166 {
167 init[i].value = val;
168 init[i].inited = 1;
169 return;
170 }
171 }
172 abort();
173}
174
175
176static void
0c7a8e5a 177set_pe_subsystem (void)
252b5132
RH
178{
179 const char *sver;
180 int len;
181 int i;
9b5799b8 182 static const struct
252b5132
RH
183 {
184 const char *name;
185 const int value;
186 const char *entry;
187 }
188 v[] =
189 {
190 { "native", 1, "_NtProcessStartup" },
191 { "windows", 2, "_WinMainCRTStartup" },
192 { "wwindows", 2, "_wWinMainCRTStartup" },
193 { "console", 3, "_mainCRTStartup" },
194 { "wconsole", 3, "_wmainCRTStartup" },
252b5132
RH
195 { "posix", 7, "___PosixProcessStartup"},
196 { 0, 0, 0 }
197 };
198
199 sver = strchr (optarg, ':');
200 if (sver == NULL)
201 len = strlen (optarg);
202 else
203 {
204 char *end;
205
206 len = sver - optarg;
207 set_pe_name ("__major_subsystem_version__",
208 strtoul (sver + 1, &end, 0));
209 if (*end == '.')
210 set_pe_name ("__minor_subsystem_version__",
211 strtoul (end + 1, &end, 0));
212 if (*end != '\0')
d003af55 213 einfo (_("%P: warning: bad version number in -subsystem option\n"));
252b5132
RH
214 }
215
216 for (i = 0; v[i].name; i++)
217 {
218 if (strncmp (optarg, v[i].name, len) == 0
219 && v[i].name[len] == '\0')
220 {
221 set_pe_name ("__subsystem__", v[i].value);
222
223 /* If the subsystem is windows, we use a different entry
a359509e
ZW
224 point. */
225 lang_default_entry (v[i].entry);
252b5132
RH
226
227 return;
228 }
229 }
df5f2391 230 einfo (_("%F%P: invalid subsystem type %s\n"), optarg);
252b5132
RH
231}
232
233
252b5132 234static void
0c7a8e5a 235set_pe_value (char *name)
252b5132
RH
236{
237 char *end;
238 set_pe_name (name, strtoul (optarg, &end, 0));
239 if (end == optarg)
240 {
df5f2391 241 einfo (_("%F%P: invalid hex number for PE parameter '%s'\n"), optarg);
252b5132
RH
242 }
243
244 optarg = end;
245}
246
247static void
0c7a8e5a 248set_pe_stack_heap (char *resname, char *comname)
252b5132
RH
249{
250 set_pe_value (resname);
251 if (*optarg == ',')
252 {
253 optarg++;
254 set_pe_value (comname);
255 }
256 else if (*optarg)
257 {
df5f2391 258 einfo (_("%F%P: strange hex info for PE parameter '%s'\n"), optarg);
252b5132
RH
259 }
260}
261
262
3bcf5557 263static bfd_boolean
0c7a8e5a 264gld${EMULATION_NAME}_handle_option (int optc)
252b5132 265{
252b5132
RH
266 switch (optc)
267 {
268 default:
3bcf5557 269 return FALSE;
252b5132
RH
270
271 case OPTION_BASE_FILE:
0c7a8e5a 272 link_info.base_file = fopen (optarg, FOPEN_WB);
252b5132 273 if (link_info.base_file == NULL)
e922bcab 274 einfo (_("%F%P: cannot open base file %s\n"), optarg);
252b5132
RH
275 break;
276
277 /* PE options */
9b5799b8 278 case OPTION_HEAP:
252b5132
RH
279 set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
280 break;
9b5799b8 281 case OPTION_STACK:
252b5132
RH
282 set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
283 break;
284 case OPTION_SUBSYSTEM:
285 set_pe_subsystem ();
286 break;
287 case OPTION_MAJOR_OS_VERSION:
288 set_pe_value ("__major_os_version__");
289 break;
290 case OPTION_MINOR_OS_VERSION:
291 set_pe_value ("__minor_os_version__");
292 break;
293 case OPTION_MAJOR_SUBSYSTEM_VERSION:
294 set_pe_value ("__major_subsystem_version__");
295 break;
296 case OPTION_MINOR_SUBSYSTEM_VERSION:
297 set_pe_value ("__minor_subsystem_version__");
298 break;
299 case OPTION_MAJOR_IMAGE_VERSION:
300 set_pe_value ("__major_image_version__");
301 break;
302 case OPTION_MINOR_IMAGE_VERSION:
303 set_pe_value ("__minor_image_version__");
304 break;
305 case OPTION_FILE_ALIGNMENT:
306 set_pe_value ("__file_alignment__");
307 break;
308 case OPTION_SECTION_ALIGNMENT:
309 set_pe_value ("__section_alignment__");
310 break;
311 case OPTION_DLL:
312 set_pe_name ("__dll__", 1);
313 break;
314 case OPTION_IMAGE_BASE:
315 set_pe_value ("__image_base__");
316 break;
317 }
3bcf5557 318 return TRUE;
252b5132
RH
319}
320\f
321/* Assign values to the special symbols before the linker script is
322 read. */
323
324static void
0c7a8e5a 325gld_${EMULATION_NAME}_set_symbols (void)
252b5132
RH
326{
327 /* Run through and invent symbols for all the
328 names and insert the defaults. */
329 int j;
252b5132
RH
330
331 if (!init[IMAGEBASEOFF].inited)
332 {
0e1862bb 333 if (bfd_link_relocatable (&link_info))
252b5132
RH
334 init[IMAGEBASEOFF].value = 0;
335 else if (init[DLLOFF].value)
336 init[IMAGEBASEOFF].value = BEOS_DLL_IMAGE_BASE;
337 else
338 init[IMAGEBASEOFF].value = BEOS_EXE_IMAGE_BASE;
339 }
340
1049f94e 341 /* Don't do any symbol assignments if this is a relocatable link. */
0e1862bb 342 if (bfd_link_relocatable (&link_info))
252b5132
RH
343 return;
344
345 /* Glue the assignments into the abs section */
bde18da4 346 push_stat_ptr (&abs_output_section->children);
252b5132
RH
347
348 for (j = 0; init[j].ptr; j++)
349 {
350 long val = init[j].value;
eb8476a6
MR
351 lang_add_assignment (exp_assign (init[j].symbol, exp_intop (val),
352 FALSE));
252b5132
RH
353 if (init[j].size == sizeof(short))
354 *(short *)init[j].ptr = val;
355 else if (init[j].size == sizeof(int))
356 *(int *)init[j].ptr = val;
357 else if (init[j].size == sizeof(long))
358 *(long *)init[j].ptr = val;
359 /* This might be a long long or other special type. */
360 else if (init[j].size == sizeof(bfd_vma))
361 *(bfd_vma *)init[j].ptr = val;
362 else abort();
363 }
364 /* Restore the pointer. */
bde18da4 365 pop_stat_ptr ();
9b5799b8 366
252b5132
RH
367 if (pe.FileAlignment >
368 pe.SectionAlignment)
369 {
df5f2391 370 einfo (_("%P: warning, file alignment > section alignment\n"));
252b5132
RH
371 }
372}
373
374static void
0c7a8e5a 375gld_${EMULATION_NAME}_after_open (void)
252b5132 376{
5c3049d2
AM
377 after_open_default ();
378
252b5132
RH
379 /* Pass the wacky PE command line options into the output bfd.
380 FIXME: This should be done via a function, rather than by
381 including an internal BFD header. */
f13a99db 382 if (!coff_data(link_info.output_bfd)->pe)
252b5132 383 {
df5f2391 384 einfo (_("%F%P: PE operations on non PE file\n"));
252b5132
RH
385 }
386
f13a99db
AM
387 pe_data(link_info.output_bfd)->pe_opthdr = pe;
388 pe_data(link_info.output_bfd)->dll = init[DLLOFF].value;
252b5132
RH
389
390}
391\f
392/* Callback functions for qsort in sort_sections. */
393
394static int
0c7a8e5a 395sort_by_file_name (const void *a, const void *b)
252b5132 396{
f5c3a9e3
AM
397 const lang_input_section_type *const *ra = a;
398 const lang_input_section_type *const *rb = b;
399 asection *sa = (*ra)->section;
400 asection *sb = (*rb)->section;
252b5132
RH
401 int i, a_sec, b_sec;
402
f5c3a9e3
AM
403 i = filename_cmp (sa->owner->my_archive->filename,
404 sb->owner->my_archive->filename);
252b5132
RH
405 if (i != 0)
406 return i;
407
f5c3a9e3 408 i = filename_cmp (sa->owner->filename, sb->owner->filename);
252b5132
RH
409 if (i != 0)
410 return i;
411 /* the tail idata4/5 are the only ones without relocs to an
9b5799b8 412 idata$6 section unless we are importing by ordinal,
252b5132
RH
413 so sort them to last to terminate the IAT
414 and HNT properly. if no reloc this one is import by ordinal
415 so we have to sort by section contents */
416
f5c3a9e3 417 if (sa->reloc_count + sb->reloc_count != 0)
252b5132 418 {
f5c3a9e3 419 i = sa->reloc_count > sb->reloc_count ? -1 : 0;
d003af55
AM
420 if (i != 0)
421 return i;
252b5132 422
f5c3a9e3 423 return sa->reloc_count > sb->reloc_count ? 0 : 1;
252b5132
RH
424 }
425 else
426 {
d003af55 427 /* don't sort .idata$6 or .idata$7 FIXME dlltool eliminate .idata$7 */
f5c3a9e3 428 if ((strcmp (sa->name, ".idata$6") == 0))
d003af55
AM
429 return 0;
430
f5c3a9e3
AM
431 if (!bfd_get_section_contents (sa->owner, sa, &a_sec, (file_ptr) 0,
432 (bfd_size_type) sizeof (a_sec)))
df5f2391 433 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
f5c3a9e3 434 sa->owner);
d003af55 435
f5c3a9e3
AM
436 if (!bfd_get_section_contents (sb->owner, sb, &b_sec, (file_ptr) 0,
437 (bfd_size_type) sizeof (b_sec)))
df5f2391 438 einfo (_("%F%P: %pB: can't read contents of section .idata: %E\n"),
f5c3a9e3 439 sb->owner);
d003af55
AM
440
441 i = a_sec < b_sec ? -1 : 0;
442 if (i != 0)
443 return i;
444 return a_sec < b_sec ? 0 : 1;
445 }
446 return 0;
252b5132
RH
447}
448
449static int
0c7a8e5a 450sort_by_section_name (const void *a, const void *b)
252b5132 451{
f5c3a9e3
AM
452 const lang_input_section_type *const *ra = a;
453 const lang_input_section_type *const *rb = b;
454 const char *sna = (*ra)->section->name;
455 const char *snb = (*rb)->section->name;
252b5132 456 int i;
f5c3a9e3 457 i = strcmp (sna, snb);
0112cd26
NC
458 /* This is a hack to make .stab and .stabstr last, so we don't have
459 to fix strip/objcopy for .reloc sections.
460 FIXME stripping images with a .rsrc section still needs to be fixed. */
461 if (i != 0)
252b5132 462 {
f5c3a9e3
AM
463 if ((CONST_STRNEQ (sna, ".stab"))
464 && (!CONST_STRNEQ (snb, ".stab")))
d003af55 465 return 1;
252b5132
RH
466 }
467 return i;
468}
469
470/* Subroutine of sort_sections to a contiguous subset of a list of sections.
471 NEXT_AFTER is the element after the last one to sort.
472 The result is a pointer to the last element's "next" pointer. */
473
474static lang_statement_union_type **
0c7a8e5a
AM
475sort_sections_1 (lang_statement_union_type **startptr,
476 lang_statement_union_type *next_after,
477 int count,
478 int (*sort_func) (const void *, const void *))
252b5132
RH
479{
480 lang_statement_union_type **vec;
481 lang_statement_union_type *p;
482 int i;
483 lang_statement_union_type **ret;
484
485 if (count == 0)
486 return startptr;
487
488 vec = ((lang_statement_union_type **)
489 xmalloc (count * sizeof (lang_statement_union_type *)));
490
bba1a0c0 491 for (p = *startptr, i = 0; i < count; i++, p = p->header.next)
252b5132
RH
492 vec[i] = p;
493
494 qsort (vec, count, sizeof (vec[0]), sort_func);
495
496 /* Fill in the next pointers again. */
497 *startptr = vec[0];
498 for (i = 0; i < count - 1; i++)
499 vec[i]->header.next = vec[i + 1];
500 vec[i]->header.next = next_after;
501 ret = &vec[i]->header.next;
502 free (vec);
503 return ret;
504}
505
506/* Sort the .idata\$foo input sections of archives into filename order.
507 The reason is so dlltool can arrange to have the pe dll import information
508 generated correctly - the head of the list goes into dh.o, the tail into
509 dt.o, and the guts into ds[nnnn].o. Note that this is only needed for the
510 .idata section.
511 FIXME: This may no longer be necessary with grouped sections. Instead of
512 sorting on dh.o, ds[nnnn].o, dt.o, one could, for example, have dh.o use
513 .idata\$4h, have ds[nnnn].o use .idata\$4s[nnnn], and have dt.o use .idata\$4t.
514 This would have to be elaborated upon to handle multiple dll's
515 [assuming such an eloboration is possible of course].
516
517 We also sort sections in '\$' wild statements. These are created by the
518 place_orphans routine to implement grouped sections. */
519
520static void
0c7a8e5a 521sort_sections (lang_statement_union_type *s)
252b5132 522{
bba1a0c0 523 for (; s ; s = s->header.next)
252b5132
RH
524 switch (s->header.type)
525 {
526 case lang_output_section_statement_enum:
527 sort_sections (s->output_section_statement.children.head);
528 break;
529 case lang_wild_statement_enum:
530 {
531 lang_statement_union_type **p = &s->wild_statement.children.head;
3fd36710 532 struct wildcard_list *sec;
252b5132 533
3fd36710 534 for (sec = s->wild_statement.section_list; sec; sec = sec->next)
252b5132 535 {
3fd36710
AM
536 /* Is this the .idata section? */
537 if (sec->spec.name != NULL
0112cd26 538 && CONST_STRNEQ (sec->spec.name, ".idata"))
252b5132 539 {
3fd36710
AM
540 /* Sort the children. We want to sort any objects in
541 the same archive. In order to handle the case of
542 including a single archive multiple times, we sort
543 all the children by archive name and then by object
544 name. After sorting them, we re-thread the pointer
545 chain. */
546
547 while (*p)
252b5132 548 {
3fd36710
AM
549 lang_statement_union_type *start = *p;
550 if (start->header.type != lang_input_section_enum
7b986e99 551 || !start->input_section.section->owner->my_archive)
3fd36710
AM
552 p = &(start->header.next);
553 else
554 {
555 lang_statement_union_type *end;
556 int count;
557
558 for (end = start, count = 0;
559 end && (end->header.type
560 == lang_input_section_enum);
bba1a0c0 561 end = end->header.next)
3fd36710
AM
562 count++;
563
564 p = sort_sections_1 (p, end, count,
565 sort_by_file_name);
566 }
252b5132 567 }
3fd36710 568 break;
252b5132 569 }
252b5132 570
3fd36710
AM
571 /* If this is a collection of grouped sections, sort them.
572 The linker script must explicitly mention "*(.foo\$)" or
573 "*(.foo\$*)". Don't sort them if \$ is not the last
574 character (not sure if this is really useful, but it
575 allows explicitly mentioning some \$ sections and letting
576 the linker handle the rest). */
577 if (sec->spec.name != NULL)
252b5132 578 {
3fd36710 579 char *q = strchr (sec->spec.name, '\$');
252b5132 580
3fd36710
AM
581 if (q != NULL
582 && (q[1] == '\0'
583 || (q[1] == '*' && q[2] == '\0')))
252b5132 584 {
3fd36710
AM
585 lang_statement_union_type *end;
586 int count;
587
bba1a0c0 588 for (end = *p, count = 0; end; end = end->header.next)
3fd36710
AM
589 {
590 if (end->header.type != lang_input_section_enum)
591 abort ();
592 count++;
593 }
594 (void) sort_sections_1 (p, end, count,
595 sort_by_section_name);
252b5132 596 }
3fd36710 597 break;
252b5132 598 }
252b5132
RH
599 }
600 }
601 break;
602 default:
603 break;
604 }
605}
606
9b5799b8 607static void
0c7a8e5a 608gld_${EMULATION_NAME}_before_allocation (void)
252b5132 609{
252b5132
RH
610#ifdef TARGET_IS_ppcpe
611 /* Here we rummage through the found bfds to collect toc information */
612 {
613 LANG_FOR_EACH_INPUT_STATEMENT (is)
d003af55
AM
614 {
615 if (!ppc_process_before_allocation(is->the_bfd, &link_info))
616 {
df5f2391
AM
617 einfo (_("%P: errors encountered processing file %s\n"),
618 is->filename);
d003af55
AM
619 }
620 }
252b5132
RH
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)
d003af55
AM
635 {
636 if (!arm_process_before_allocation (is->the_bfd, & link_info))
637 {
df5f2391
AM
638 einfo (_("%P: errors encountered processing file %s\n"),
639 is->filename);
d003af55
AM
640 }
641 }
252b5132
RH
642 }
643
644 /* We have seen it all. Allocate it, and carry on */
645 arm_allocate_interworking_sections (& link_info);
646#endif /* TARGET_IS_armpe */
647#endif /* TARGET_IS_ppcpe */
648
649 sort_sections (stat_ptr->head);
8423293d 650
1e035701 651 before_allocation_default ();
252b5132
RH
652}
653\f
654/* Place an orphan section. We use this to put sections with a '\$' in them
655 into the right place. Any section with a '\$' in them (e.g. .text\$foo)
656 gets mapped to the output section with everything from the '\$' on stripped
657 (e.g. .text).
658 See the Microsoft Portable Executable and Common Object File Format
659 Specification 4.1, section 4.2, Grouped Sections.
660
661 FIXME: This is now handled by the linker script using wildcards,
662 but I'm leaving this here in case we want to enable it for sections
663 which are not mentioned in the linker script. */
664
c2edb4b8 665static lang_output_section_statement_type *
8a99a385
AM
666gld${EMULATION_NAME}_place_orphan (asection *s,
667 const char *secname,
668 int constraint)
252b5132 669{
252b5132
RH
670 char *output_secname, *ps;
671 lang_output_section_statement_type *os;
672 lang_statement_union_type *l;
673
674 if ((s->flags & SEC_ALLOC) == 0)
c2edb4b8 675 return NULL;
252b5132
RH
676
677 /* Don't process grouped sections unless doing a final link.
678 If they're marked as COMDAT sections, we don't want .text\$foo to
679 end up in .text and then have .text disappear because it's marked
680 link-once-discard. */
0e1862bb 681 if (bfd_link_relocatable (&link_info))
c2edb4b8 682 return NULL;
252b5132 683
252b5132
RH
684 /* Everything from the '\$' on gets deleted so don't allow '\$' as the
685 first character. */
686 if (*secname == '\$')
df5f2391 687 einfo (_("%F%P: section %s has '\$' as first character\n"), secname);
252b5132 688 if (strchr (secname + 1, '\$') == NULL)
c2edb4b8 689 return NULL;
252b5132
RH
690
691 /* Look up the output section. The Microsoft specs say sections names in
692 image files never contain a '\$'. Fortunately, lang_..._lookup creates
693 the section if it doesn't exist. */
c7e40348 694 output_secname = xstrdup (secname);
252b5132
RH
695 ps = strchr (output_secname + 1, '\$');
696 *ps = 0;
8a99a385 697 os = lang_output_section_statement_lookup (output_secname, constraint, TRUE);
252b5132
RH
698
699 /* Find the '\$' wild statement for this section. We currently require the
700 linker script to explicitly mention "*(.foo\$)".
701 FIXME: ppcpe.sc has .CRT\$foo in the .rdata section. According to the
702 Microsoft docs this isn't correct so it's not (currently) handled. */
703
704 ps[0] = '\$';
705 ps[1] = 0;
bba1a0c0 706 for (l = os->children.head; l; l = l->header.next)
3fd36710
AM
707 if (l->header.type == lang_wild_statement_enum)
708 {
709 struct wildcard_list *sec;
710
711 for (sec = l->wild_statement.section_list; sec; sec = sec->next)
712 if (sec->spec.name && strcmp (sec->spec.name, output_secname) == 0)
713 break;
714 if (sec)
715 break;
716 }
252b5132
RH
717 ps[0] = 0;
718 if (l == NULL)
df5f2391 719 einfo (_("%F%P: *(%s\$) missing from linker script\n"), output_secname);
252b5132
RH
720
721 /* Link the input section in and we're done for now.
722 The sections still have to be sorted, but that has to wait until
723 all such sections have been processed by us. The sorting is done by
724 sort_sections. */
b9c361e0 725 lang_add_section (&l->wild_statement.children, s, NULL, os);
252b5132 726
c2edb4b8 727 return os;
252b5132
RH
728}
729\f
730static char *
0c7a8e5a 731gld_${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
732EOF
733# Scripts compiled in.
734# sed commands to quote an ld script as a C string.
597e2591 735sc="-f stringify.sed"
252b5132 736
92b93329 737fragment <<EOF
9b5799b8 738{
252b5132
RH
739 *isfile = 0;
740
0e1862bb 741 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132
RH
742 return
743EOF
b34976b6 744sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 745echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
b34976b6
AM
746sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
747echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
748sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
749echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
750sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
751echo ' ; else return' >> e${EMULATION_NAME}.c
752sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
753echo '; }' >> e${EMULATION_NAME}.c
252b5132 754
92b93329 755fragment <<EOF
252b5132
RH
756
757
9b5799b8 758struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132
RH
759{
760 gld_${EMULATION_NAME}_before_parse,
761 syslib_default,
762 hll_default,
763 after_parse_default,
764 gld_${EMULATION_NAME}_after_open,
5c3261b0 765 after_check_relocs_default,
9b538ba7 766 before_place_orphans_default,
252b5132
RH
767 after_allocation_default,
768 set_output_arch_default,
769 ldemul_default_target,
770 gld_${EMULATION_NAME}_before_allocation,
771 gld_${EMULATION_NAME}_get_script,
772 "${EMULATION_NAME}",
773 "${OUTPUT_FORMAT}",
1e035701 774 finish_default,
252b5132
RH
775 NULL, /* create output section statements */
776 NULL, /* open dynamic archive */
777 gld${EMULATION_NAME}_place_orphan,
778 gld_${EMULATION_NAME}_set_symbols,
3bcf5557
AM
779 NULL, /* parse_args */
780 gld${EMULATION_NAME}_add_options,
781 gld${EMULATION_NAME}_handle_option,
e1c47aa4
AM
782 NULL, /* unrecognized file */
783 NULL, /* list options */
40d109bf 784 NULL, /* recognized file */
fac1652d 785 NULL, /* find_potential_libraries */
7a2f2d82 786 NULL, /* new_vers_pattern */
1ff6de03
NA
787 NULL, /* extra_map_file_text */
788 ${LDEMUL_EMIT_CTF_EARLY-NULL},
3edf7b9f
DR
789 ${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL},
790 ${LDEMUL_PRINT_SYMBOL-NULL}
252b5132
RH
791};
792EOF
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