* ld.texinfo (Simple Example): Add missing punctuation.
[deliverable/binutils-gdb.git] / ld / emultempl / elf32.em
CommitLineData
252b5132
RH
1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3# This file is now misnamed, because it supports both 32 bit and 64 bit
4# ELF emulations.
5test -z "${ELFSIZE}" && ELFSIZE=32
86af25fe
L
6if [ -z "$MACHINE" ]; then
7 OUTPUT_ARCH=${ARCH}
8else
9 OUTPUT_ARCH=${ARCH}:${MACHINE}
10fi
252b5132
RH
11cat >e${EMULATION_NAME}.c <<EOF
12/* This file is is generated by a shell script. DO NOT EDIT! */
13
14/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
e3dc8847 15 Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
5e2f1575 16 2002, 2003, 2004 Free Software Foundation, Inc.
252b5132
RH
17 Written by Steve Chamberlain <sac@cygnus.com>
18 ELF support by Ian Lance Taylor <ian@cygnus.com>
19
20This file is part of GLD, the Gnu Linker.
21
22This program is free software; you can redistribute it and/or modify
23it under the terms of the GNU General Public License as published by
24the Free Software Foundation; either version 2 of the License, or
25(at your option) any later version.
26
27This program is distributed in the hope that it will be useful,
28but WITHOUT ANY WARRANTY; without even the implied warranty of
29MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30GNU General Public License for more details.
31
32You should have received a copy of the GNU General Public License
33along with this program; if not, write to the Free Software
34Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
35
36#define TARGET_IS_${EMULATION_NAME}
37
38#include "bfd.h"
39#include "sysdep.h"
1c9acd94 40#include "libiberty.h"
3882b010 41#include "safe-ctype.h"
fcf65871 42#include "getopt.h"
252b5132
RH
43
44#include "bfdlink.h"
45
46#include "ld.h"
47#include "ldmain.h"
252b5132
RH
48#include "ldmisc.h"
49#include "ldexp.h"
50#include "ldlang.h"
b71e2778
AM
51#include "ldfile.h"
52#include "ldemul.h"
df2a7313 53#include <ldgram.h>
e0ee487b 54#include "elf/common.h"
252b5132 55
0c7a8e5a
AM
56/* Declare functions used by various EXTRA_EM_FILEs. */
57static void gld${EMULATION_NAME}_before_parse (void);
58static void gld${EMULATION_NAME}_after_open (void);
59static void gld${EMULATION_NAME}_before_allocation (void);
b34976b6 60static bfd_boolean gld${EMULATION_NAME}_place_orphan
0c7a8e5a
AM
61 (lang_input_statement_type *file, asection *s);
62static void gld${EMULATION_NAME}_finish (void);
252b5132 63
41392f03
AM
64EOF
65
66# Import any needed special functions and/or overrides.
67#
68if test -n "$EXTRA_EM_FILE" ; then
69. ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
70fi
71
f813923c 72# Functions in this file can be overridden by setting the LDEMUL_* shell
41392f03
AM
73# variables. If the name of the overriding function is the same as is
74# defined in this file, then don't output this file's version.
75# If a different overriding name is given then output the standard function
76# as presumably it is called from the overriding function.
77#
78if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
79cat >>e${EMULATION_NAME}.c <<EOF
80
252b5132 81static void
0c7a8e5a 82gld${EMULATION_NAME}_before_parse (void)
252b5132 83{
5e2f1575 84 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
b34976b6
AM
85 config.dynamic_link = ${DYNAMIC_LINK-TRUE};
86 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
252b5132
RH
87}
88
41392f03
AM
89EOF
90fi
91
4a43e768
AM
92if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
93cat >>e${EMULATION_NAME}.c <<EOF
94/* Handle as_needed DT_NEEDED. */
95
96static bfd_boolean
97gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
98{
99 if (!entry->as_needed
100 || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
101 return FALSE;
102
103 /* Tell the ELF linker that we don't want the output file to have a
104 DT_NEEDED entry for this file, unless it is used to resolve
105 references in a regular object. */
106 bfd_elf_set_dyn_lib_class (entry->the_bfd, DYN_AS_NEEDED);
107
108 /* Continue on with normal load_symbols processing. */
109 return FALSE;
110}
111EOF
112fi
113
41392f03 114cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
115
116/* These variables are required to pass information back and forth
117 between after_open and check_needed and stat_needed and vercheck. */
118
119static struct bfd_link_needed_list *global_needed;
120static struct stat global_stat;
b34976b6 121static bfd_boolean global_found;
252b5132 122static struct bfd_link_needed_list *global_vercheck_needed;
b34976b6 123static bfd_boolean global_vercheck_failed;
252b5132 124
252b5132 125
04925e1e
AM
126/* On Linux, it's possible to have different versions of the same
127 shared library linked against different versions of libc. The
128 dynamic linker somehow tags which libc version to use in
129 /etc/ld.so.cache, and, based on the libc that it sees in the
130 executable, chooses which version of the shared library to use.
252b5132 131
04925e1e
AM
132 We try to do a similar check here by checking whether this shared
133 library needs any other shared libraries which may conflict with
134 libraries we have already included in the link. If it does, we
135 skip it, and try to find another shared library farther on down the
136 link path.
252b5132 137
04925e1e
AM
138 This is called via lang_for_each_input_file.
139 GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
f813923c 140 which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
04925e1e 141 a conflicting version. */
252b5132 142
04925e1e 143static void
0c7a8e5a 144gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
04925e1e 145{
1c9acd94 146 const char *soname;
04925e1e 147 struct bfd_link_needed_list *l;
252b5132 148
04925e1e
AM
149 if (global_vercheck_failed)
150 return;
151 if (s->the_bfd == NULL
152 || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
153 return;
252b5132 154
04925e1e
AM
155 soname = bfd_elf_get_dt_soname (s->the_bfd);
156 if (soname == NULL)
fed2999d 157 soname = lbasename (bfd_get_filename (s->the_bfd));
04925e1e
AM
158
159 for (l = global_vercheck_needed; l != NULL; l = l->next)
160 {
161 const char *suffix;
162
1c9acd94 163 if (strcmp (soname, l->name) == 0)
04925e1e
AM
164 {
165 /* Probably can't happen, but it's an easy check. */
166 continue;
252b5132
RH
167 }
168
04925e1e 169 if (strchr (l->name, '/') != NULL)
252b5132
RH
170 continue;
171
04925e1e
AM
172 suffix = strstr (l->name, ".so.");
173 if (suffix == NULL)
174 continue;
175
176 suffix += sizeof ".so." - 1;
177
1c9acd94 178 if (strncmp (soname, l->name, suffix - l->name) == 0)
04925e1e
AM
179 {
180 /* Here we know that S is a dynamic object FOO.SO.VER1, and
0c7a8e5a
AM
181 the object we are considering needs a dynamic object
182 FOO.SO.VER2, and VER1 and VER2 are different. This
183 appears to be a version mismatch, so we tell the caller
184 to try a different version of this library. */
b34976b6 185 global_vercheck_failed = TRUE;
04925e1e
AM
186 return;
187 }
252b5132
RH
188 }
189}
190
252b5132 191
04925e1e
AM
192/* See if an input file matches a DT_NEEDED entry by running stat on
193 the file. */
194
195static void
0c7a8e5a 196gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
252b5132 197{
04925e1e
AM
198 struct stat st;
199 const char *suffix;
200 const char *soname;
252b5132 201
04925e1e
AM
202 if (global_found)
203 return;
204 if (s->the_bfd == NULL)
205 return;
206
207 if (bfd_stat (s->the_bfd, &st) != 0)
252b5132 208 {
04925e1e
AM
209 einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
210 return;
211 }
252b5132 212
04925e1e
AM
213 if (st.st_dev == global_stat.st_dev
214 && st.st_ino == global_stat.st_ino)
215 {
b34976b6 216 global_found = TRUE;
04925e1e
AM
217 return;
218 }
252b5132 219
04925e1e
AM
220 /* We issue a warning if it looks like we are including two
221 different versions of the same shared library. For example,
222 there may be a problem if -lc picks up libc.so.6 but some other
223 shared library has a DT_NEEDED entry of libc.so.5. This is a
f813923c 224 heuristic test, and it will only work if the name looks like
04925e1e
AM
225 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
226 If we really want to issue warnings about mixing version numbers
227 of shared libraries, we need to find a better way. */
252b5132 228
04925e1e
AM
229 if (strchr (global_needed->name, '/') != NULL)
230 return;
231 suffix = strstr (global_needed->name, ".so.");
232 if (suffix == NULL)
233 return;
234 suffix += sizeof ".so." - 1;
252b5132 235
04925e1e
AM
236 soname = bfd_elf_get_dt_soname (s->the_bfd);
237 if (soname == NULL)
fed2999d 238 soname = lbasename (s->filename);
252b5132 239
cde43e70 240 if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
04925e1e 241 einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
1c9acd94 242 global_needed->name, global_needed->by, soname);
252b5132
RH
243}
244
04925e1e 245
252b5132
RH
246/* This function is called for each possible name for a dynamic object
247 named by a DT_NEEDED entry. The FORCE parameter indicates whether
248 to skip the check for a conflicting version. */
249
b34976b6 250static bfd_boolean
0c7a8e5a 251gld${EMULATION_NAME}_try_needed (const char *name, int force)
252b5132
RH
252{
253 bfd *abfd;
ec4eb78a 254 const char *soname;
252b5132
RH
255
256 abfd = bfd_openr (name, bfd_get_target (output_bfd));
257 if (abfd == NULL)
b34976b6 258 return FALSE;
252b5132
RH
259 if (! bfd_check_format (abfd, bfd_object))
260 {
cde43e70 261 bfd_close (abfd);
b34976b6 262 return FALSE;
252b5132
RH
263 }
264 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
265 {
cde43e70 266 bfd_close (abfd);
b34976b6 267 return FALSE;
252b5132
RH
268 }
269
c4bb8067
L
270 /* For DT_NEEDED, they have to match. */
271 if (abfd->xvec != output_bfd->xvec)
272 {
273 bfd_close (abfd);
b34976b6 274 return FALSE;
c4bb8067
L
275 }
276
252b5132
RH
277 /* Check whether this object would include any conflicting library
278 versions. If FORCE is set, then we skip this check; we use this
279 the second time around, if we couldn't find any compatible
280 instance of the shared library. */
281
282 if (! force)
283 {
284 struct bfd_link_needed_list *needed;
285
286 if (! bfd_elf_get_bfd_needed_list (abfd, &needed))
287 einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
288
289 if (needed != NULL)
290 {
291 global_vercheck_needed = needed;
b34976b6 292 global_vercheck_failed = FALSE;
252b5132
RH
293 lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
294 if (global_vercheck_failed)
295 {
cde43e70 296 bfd_close (abfd);
b34976b6 297 /* Return FALSE to force the caller to move on to try
0c7a8e5a 298 another file on the search path. */
b34976b6 299 return FALSE;
252b5132
RH
300 }
301
302 /* But wait! It gets much worse. On Linux, if a shared
0c7a8e5a
AM
303 library does not use libc at all, we are supposed to skip
304 it the first time around in case we encounter a shared
305 library later on with the same name which does use the
306 version of libc that we want. This is much too horrible
307 to use on any system other than Linux. */
252b5132
RH
308
309EOF
310case ${target} in
311 *-*-linux-gnu*)
312 cat >>e${EMULATION_NAME}.c <<EOF
313 {
314 struct bfd_link_needed_list *l;
315
316 for (l = needed; l != NULL; l = l->next)
317 if (strncmp (l->name, "libc.so", 7) == 0)
318 break;
319 if (l == NULL)
320 {
cde43e70 321 bfd_close (abfd);
b34976b6 322 return FALSE;
252b5132
RH
323 }
324 }
325
326EOF
327 ;;
328esac
329cat >>e${EMULATION_NAME}.c <<EOF
330 }
331 }
332
333 /* We've found a dynamic object matching the DT_NEEDED entry. */
334
04925e1e
AM
335 /* We have already checked that there is no other input file of the
336 same name. We must now check again that we are not including the
337 same file twice. We need to do this because on many systems
338 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
339 reference libc.so.1. If we have already included libc.so, we
340 don't want to include libc.so.1 if they are the same file, and we
341 can only check that using stat. */
342
343 if (bfd_stat (abfd, &global_stat) != 0)
344 einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
ec4eb78a
L
345
346 /* First strip off everything before the last '/'. */
fed2999d 347 soname = lbasename (abfd->filename);
ec4eb78a
L
348
349 if (trace_file_tries)
350 info_msg (_("found %s at %s\n"), soname, name);
351
b34976b6 352 global_found = FALSE;
04925e1e
AM
353 lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
354 if (global_found)
355 {
b34976b6 356 /* Return TRUE to indicate that we found the file, even though
0c7a8e5a 357 we aren't going to do anything with it. */
b34976b6 358 return TRUE;
04925e1e
AM
359 }
360
4a43e768
AM
361 /* Specify the soname to use. */
362 bfd_elf_set_dt_needed_name (abfd, soname);
04925e1e 363
4a43e768
AM
364 /* Tell the ELF linker that we don't want the output file to have a
365 DT_NEEDED entry for this file, unless it is used to resolve
366 references in a regular object. */
367 bfd_elf_set_dyn_lib_class (abfd, DYN_DT_NEEDED);
04925e1e
AM
368
369 /* Add this file into the symbol table. */
370 if (! bfd_link_add_symbols (abfd, &link_info))
371 einfo ("%F%B: could not read symbols: %E\n", abfd);
372
b34976b6 373 return TRUE;
04925e1e
AM
374}
375
376
377/* Search for a needed file in a path. */
378
b34976b6 379static bfd_boolean
0c7a8e5a 380gld${EMULATION_NAME}_search_needed (const char *path, const char *name, int force)
04925e1e
AM
381{
382 const char *s;
383 size_t len;
384
cc5ce052
UD
385 if (name[0] == '/')
386 return gld${EMULATION_NAME}_try_needed (name, force);
387
04925e1e 388 if (path == NULL || *path == '\0')
b34976b6 389 return FALSE;
04925e1e
AM
390 len = strlen (name);
391 while (1)
392 {
393 char *filename, *sset;
394
395 s = strchr (path, ':');
396 if (s == NULL)
397 s = path + strlen (path);
398
399 filename = (char *) xmalloc (s - path + len + 2);
400 if (s == path)
401 sset = filename;
402 else
403 {
404 memcpy (filename, path, s - path);
405 filename[s - path] = '/';
406 sset = filename + (s - path) + 1;
407 }
408 strcpy (sset, name);
409
410 if (gld${EMULATION_NAME}_try_needed (filename, force))
b34976b6 411 return TRUE;
04925e1e
AM
412
413 free (filename);
414
415 if (*s == '\0')
416 break;
417 path = s + 1;
418 }
419
b34976b6 420 return FALSE;
04925e1e
AM
421}
422
423EOF
9c8ebd6a 424if [ "x${USE_LIBPATH}" = xyes ] ; then
3dc16cab 425 cat >>e${EMULATION_NAME}.c <<EOF
9c8ebd6a
DJ
426
427/* Add the sysroot to every entry in a colon-separated path. */
428
429static char *
0c7a8e5a 430gld${EMULATION_NAME}_add_sysroot (const char *path)
9c8ebd6a
DJ
431{
432 int len, colons, i;
433 char *ret, *p;
434
435 len = strlen (path);
436 colons = 0;
437 i = 0;
438 while (path[i])
439 if (path[i++] == ':')
440 colons++;
441
442 if (path[i])
443 colons++;
444
42644a89 445 len = len + (colons + 1) * strlen (ld_sysroot);
9c8ebd6a
DJ
446 ret = xmalloc (len + 1);
447 strcpy (ret, ld_sysroot);
448 p = ret + strlen (ret);
449 i = 0;
450 while (path[i])
451 if (path[i] == ':')
452 {
0c7a8e5a 453 *p++ = path[i++];
9c8ebd6a
DJ
454 strcpy (p, ld_sysroot);
455 p = p + strlen (p);
9c8ebd6a
DJ
456 }
457 else
458 *p++ = path[i++];
459
460 *p = 0;
461 return ret;
462}
04925e1e 463
3dc16cab
DJ
464EOF
465 case ${target} in
466 *-*-linux-gnu*)
467 cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
468/* For a native linker, check the file /etc/ld.so.conf for directories
469 in which we may find shared libraries. /etc/ld.so.conf is really
482e8b32 470 only meaningful on Linux. */
04925e1e 471
b34976b6 472static bfd_boolean
0c7a8e5a 473gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force)
04925e1e 474{
b34976b6 475 static bfd_boolean initialized;
04925e1e
AM
476 static char *ld_so_conf;
477
478 if (! initialized)
479 {
480 FILE *f;
9c8ebd6a 481 char *tmppath;
04925e1e 482
9c8ebd6a
DJ
483 tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL);
484 f = fopen (tmppath, FOPEN_RT);
485 free (tmppath);
04925e1e
AM
486 if (f != NULL)
487 {
488 char *b;
489 size_t len, alloc;
490 int c;
491
492 len = 0;
493 alloc = 100;
494 b = (char *) xmalloc (alloc);
495
496 while ((c = getc (f)) != EOF)
497 {
498 if (len + 1 >= alloc)
499 {
500 alloc *= 2;
501 b = (char *) xrealloc (b, alloc);
502 }
503 if (c != ':'
504 && c != ' '
505 && c != '\t'
506 && c != '\n'
507 && c != ',')
508 {
509 b[len] = c;
510 ++len;
511 }
512 else
513 {
514 if (len > 0 && b[len - 1] != ':')
515 {
516 b[len] = ':';
517 ++len;
518 }
519 }
520 }
521
522 if (len > 0 && b[len - 1] == ':')
523 --len;
252b5132 524
04925e1e
AM
525 if (len > 0)
526 b[len] = '\0';
527 else
528 {
529 free (b);
530 b = NULL;
531 }
252b5132 532
04925e1e 533 fclose (f);
252b5132 534
9c8ebd6a
DJ
535 if (b)
536 {
537 char *d = gld${EMULATION_NAME}_add_sysroot (b);
538 free (b);
539 b = d;
540 }
541
04925e1e
AM
542 ld_so_conf = b;
543 }
49e56c49 544
b34976b6 545 initialized = TRUE;
04925e1e 546 }
49e56c49 547
04925e1e 548 if (ld_so_conf == NULL)
b34976b6 549 return FALSE;
252b5132 550
04925e1e 551 return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force);
252b5132
RH
552}
553
04925e1e 554EOF
9c8ebd6a
DJ
555 # Linux
556 ;;
04925e1e
AM
557 esac
558fi
559cat >>e${EMULATION_NAME}.c <<EOF
560
252b5132
RH
561/* See if an input file matches a DT_NEEDED entry by name. */
562
563static void
0c7a8e5a 564gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
252b5132
RH
565{
566 if (global_found)
567 return;
568
577a0623 569 if (s->filename != NULL)
252b5132 570 {
577a0623
AM
571 const char *f;
572
573 if (strcmp (s->filename, global_needed->name) == 0)
574 {
b34976b6 575 global_found = TRUE;
577a0623
AM
576 return;
577 }
578
579 if (s->search_dirs_flag)
580 {
581 f = strrchr (s->filename, '/');
582 if (f != NULL
583 && strcmp (f + 1, global_needed->name) == 0)
584 {
b34976b6 585 global_found = TRUE;
577a0623
AM
586 return;
587 }
588 }
252b5132
RH
589 }
590
591 if (s->the_bfd != NULL)
592 {
593 const char *soname;
594
595 soname = bfd_elf_get_dt_soname (s->the_bfd);
596 if (soname != NULL
597 && strcmp (soname, global_needed->name) == 0)
598 {
b34976b6 599 global_found = TRUE;
252b5132
RH
600 return;
601 }
602 }
252b5132
RH
603}
604
41392f03
AM
605EOF
606
607if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
608cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
609
610/* This is called after all the input files have been opened. */
252b5132
RH
611
612static void
0c7a8e5a 613gld${EMULATION_NAME}_after_open (void)
252b5132 614{
04925e1e 615 struct bfd_link_needed_list *needed, *l;
252b5132 616
04925e1e 617 /* We only need to worry about this when doing a final link. */
1049f94e 618 if (link_info.relocatable || !link_info.executable)
252b5132
RH
619 return;
620
04925e1e
AM
621 /* Get the list of files which appear in DT_NEEDED entries in
622 dynamic objects included in the link (often there will be none).
623 For each such file, we want to track down the corresponding
624 library, and include the symbol table in the link. This is what
625 the runtime dynamic linker will do. Tracking the files down here
626 permits one dynamic object to include another without requiring
627 special action by the person doing the link. Note that the
628 needed list can actually grow while we are stepping through this
629 loop. */
630 needed = bfd_elf_get_needed_list (output_bfd, &link_info);
631 for (l = needed; l != NULL; l = l->next)
252b5132 632 {
04925e1e
AM
633 struct bfd_link_needed_list *ll;
634 int force;
252b5132 635
04925e1e
AM
636 /* If we've already seen this file, skip it. */
637 for (ll = needed; ll != l; ll = ll->next)
638 if (strcmp (ll->name, l->name) == 0)
639 break;
640 if (ll != l)
641 continue;
252b5132 642
04925e1e
AM
643 /* See if this file was included in the link explicitly. */
644 global_needed = l;
b34976b6 645 global_found = FALSE;
04925e1e
AM
646 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
647 if (global_found)
648 continue;
252b5132 649
ec4eb78a
L
650 if (trace_file_tries)
651 info_msg (_("%s needed by %B\n"), l->name, l->by);
652
04925e1e
AM
653 /* We need to find this file and include the symbol table. We
654 want to search for the file in the same way that the dynamic
655 linker will search. That means that we want to use
656 rpath_link, rpath, then the environment variable
ec4eb78a
L
657 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
658 entries (native only), then the linker script LIB_SEARCH_DIRS.
659 We do not search using the -L arguments.
252b5132 660
04925e1e
AM
661 We search twice. The first time, we skip objects which may
662 introduce version mismatches. The second time, we force
663 their use. See gld${EMULATION_NAME}_vercheck comment. */
664 for (force = 0; force < 2; force++)
665 {
04925e1e
AM
666 size_t len;
667 search_dirs_type *search;
6dd8c765 668EOF
9c8ebd6a 669if [ "x${USE_LIBPATH}" = xyes ] ; then
6dd8c765 670cat >>e${EMULATION_NAME}.c <<EOF
dcb0bd0e 671 const char *lib_path;
6dd8c765
L
672 struct bfd_link_needed_list *rp;
673 int found;
674EOF
6dd8c765
L
675fi
676cat >>e${EMULATION_NAME}.c <<EOF
252b5132 677
04925e1e
AM
678 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
679 l->name, force))
680 break;
dcb0bd0e 681EOF
9c8ebd6a 682if [ "x${USE_LIBPATH}" = xyes ] ; then
dcb0bd0e 683cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
684 if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
685 l->name, force))
686 break;
9c8ebd6a
DJ
687EOF
688fi
689if [ "x${NATIVE}" = xyes ] ; then
690cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
691 if (command_line.rpath_link == NULL
692 && command_line.rpath == NULL)
693 {
694 lib_path = (const char *) getenv ("LD_RUN_PATH");
695 if (gld${EMULATION_NAME}_search_needed (lib_path, l->name,
696 force))
697 break;
698 }
04925e1e
AM
699 lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
700 if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force))
701 break;
9c8ebd6a
DJ
702EOF
703fi
704if [ "x${USE_LIBPATH}" = xyes ] ; then
705cat >>e${EMULATION_NAME}.c <<EOF
ec4eb78a 706 found = 0;
6dd8c765
L
707 rp = bfd_elf_get_runpath_list (output_bfd, &link_info);
708 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a 709 {
9c8ebd6a 710 char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
ec4eb78a 711 found = (rp->by == l->by
9c8ebd6a 712 && gld${EMULATION_NAME}_search_needed (tmpname,
ec4eb78a
L
713 l->name,
714 force));
9c8ebd6a 715 free (tmpname);
ec4eb78a
L
716 }
717 if (found)
718 break;
719
04925e1e 720EOF
04925e1e
AM
721fi
722cat >>e${EMULATION_NAME}.c <<EOF
723 len = strlen (l->name);
724 for (search = search_head; search != NULL; search = search->next)
725 {
726 char *filename;
252b5132 727
04925e1e
AM
728 if (search->cmdline)
729 continue;
730 filename = (char *) xmalloc (strlen (search->name) + len + 2);
731 sprintf (filename, "%s/%s", search->name, l->name);
732 if (gld${EMULATION_NAME}_try_needed (filename, force))
733 break;
734 free (filename);
735 }
736 if (search != NULL)
737 break;
738EOF
9c8ebd6a
DJ
739if [ "x${USE_LIBPATH}" = xyes ] ; then
740 case ${target} in
741 *-*-linux-gnu*)
742 cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
743 if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
744 break;
745EOF
9c8ebd6a
DJ
746 # Linux
747 ;;
04925e1e
AM
748 esac
749fi
750cat >>e${EMULATION_NAME}.c <<EOF
751 }
252b5132 752
04925e1e
AM
753 if (force < 2)
754 continue;
252b5132 755
e374f1d9 756 einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
04925e1e
AM
757 l->name, l->by);
758 }
759}
252b5132 760
41392f03
AM
761EOF
762fi
763
764cat >>e${EMULATION_NAME}.c <<EOF
252b5132 765
04925e1e 766/* Look through an expression for an assignment statement. */
252b5132 767
04925e1e 768static void
0c7a8e5a 769gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
04925e1e
AM
770{
771 struct bfd_link_hash_entry *h;
772
773 switch (exp->type.node_class)
252b5132 774 {
04925e1e
AM
775 case etree_provide:
776 h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
b34976b6 777 FALSE, FALSE, FALSE);
04925e1e
AM
778 if (h == NULL)
779 break;
252b5132 780
04925e1e
AM
781 /* We call record_link_assignment even if the symbol is defined.
782 This is because if it is defined by a dynamic object, we
783 actually want to use the value defined by the linker script,
784 not the value from the dynamic object (because we are setting
785 symbols like etext). If the symbol is defined by a regular
786 object, then, as it happens, calling record_link_assignment
787 will do no harm. */
788
789 /* Fall through. */
790 case etree_assign:
791 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 792 {
efdffbe2 793 if (! (bfd_elf_record_link_assignment
04925e1e 794 (output_bfd, &link_info, exp->assign.dst,
b34976b6 795 exp->type.node_class == etree_provide ? TRUE : FALSE)))
04925e1e
AM
796 einfo ("%P%F: failed to record assignment to %s: %E\n",
797 exp->assign.dst);
252b5132 798 }
04925e1e
AM
799 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
800 break;
252b5132 801
04925e1e
AM
802 case etree_binary:
803 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
804 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
805 break;
252b5132 806
04925e1e
AM
807 case etree_trinary:
808 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
809 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
810 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
811 break;
252b5132 812
04925e1e
AM
813 case etree_unary:
814 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
815 break;
252b5132 816
04925e1e
AM
817 default:
818 break;
252b5132
RH
819 }
820}
821
04925e1e
AM
822
823/* This is called by the before_allocation routine via
824 lang_for_each_statement. It locates any assignment statements, and
825 tells the ELF backend about them, in case they are assignments to
826 symbols which are referred to by dynamic objects. */
827
828static void
0c7a8e5a 829gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
04925e1e
AM
830{
831 if (s->header.type == lang_assignment_statement_enum)
832 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
833}
834
41392f03
AM
835EOF
836
837if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
57e6abd2
AO
838 if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
839 ELF_INTERPRETER_SET_DEFAULT="
840 if (sinterp != NULL)
841 {
842 sinterp->contents = ${ELF_INTERPRETER_NAME};
843 sinterp->_raw_size = strlen (sinterp->contents) + 1;
844 }
845
846"
847 else
848 ELF_INTERPRETER_SET_DEFAULT=
849 fi
41392f03 850cat >>e${EMULATION_NAME}.c <<EOF
04925e1e 851
252b5132
RH
852/* This is called after the sections have been attached to output
853 sections, but before any sizes or addresses have been set. */
854
855static void
0c7a8e5a 856gld${EMULATION_NAME}_before_allocation (void)
252b5132
RH
857{
858 const char *rpath;
859 asection *sinterp;
860
fd574c46 861 if (link_info.hash->type == bfd_link_elf_hash_table)
e1918d23
AM
862 _bfd_elf_tls_setup (output_bfd, &link_info);
863
252b5132
RH
864 /* If we are going to make any variable assignments, we need to let
865 the ELF backend know about them in case the variables are
866 referred to by dynamic objects. */
867 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
868
869 /* Let the ELF backend work out the sizes of any sections required
870 by dynamic linking. */
871 rpath = command_line.rpath;
872 if (rpath == NULL)
873 rpath = (const char *) getenv ("LD_RUN_PATH");
5a580b3a 874 if (! (bfd_elf_size_dynamic_sections
0c7a8e5a 875 (output_bfd, command_line.soname, rpath,
605d9b3a 876 command_line.filter_shlib,
252b5132
RH
877 (const char * const *) command_line.auxiliary_filters,
878 &link_info, &sinterp, lang_elf_version_info)))
879 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
57e6abd2 880${ELF_INTERPRETER_SET_DEFAULT}
252b5132
RH
881 /* Let the user override the dynamic linker we are using. */
882 if (command_line.interpreter != NULL
883 && sinterp != NULL)
884 {
885 sinterp->contents = (bfd_byte *) command_line.interpreter;
886 sinterp->_raw_size = strlen (command_line.interpreter) + 1;
887 }
888
889 /* Look for any sections named .gnu.warning. As a GNU extensions,
890 we treat such sections as containing warning messages. We print
891 out the warning message, and then zero out the section size so
892 that it does not get copied into the output file. */
893
894 {
895 LANG_FOR_EACH_INPUT_STATEMENT (is)
896 {
897 asection *s;
898 bfd_size_type sz;
8c675694 899 bfd_size_type prefix_len;
252b5132 900 char *msg;
b34976b6 901 bfd_boolean ret;
8c675694 902 const char * gnu_warning_prefix = _("warning: ");
252b5132
RH
903
904 if (is->just_syms_flag)
905 continue;
906
907 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
908 if (s == NULL)
909 continue;
910
911 sz = bfd_section_size (is->the_bfd, s);
8c675694
NC
912 prefix_len = strlen (gnu_warning_prefix);
913 msg = xmalloc ((size_t) (prefix_len + sz + 1));
914 strcpy (msg, gnu_warning_prefix);
915 if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len,
916 (file_ptr) 0, sz))
252b5132
RH
917 einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
918 is->the_bfd);
8c675694 919 msg[prefix_len + sz] = '\0';
252b5132
RH
920 ret = link_info.callbacks->warning (&link_info, msg,
921 (const char *) NULL,
922 is->the_bfd, (asection *) NULL,
923 (bfd_vma) 0);
924 ASSERT (ret);
925 free (msg);
926
927 /* Clobber the section size, so that we don't waste copying the
928 warning into the output file. */
929 s->_raw_size = 0;
930 }
931 }
932}
933
41392f03
AM
934EOF
935fi
936
937if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
938cat >>e${EMULATION_NAME}.c <<EOF
252b5132 939
04925e1e
AM
940/* Try to open a dynamic archive. This is where we know that ELF
941 dynamic libraries have an extension of .so (or .sl on oddball systems
942 like hpux). */
943
b34976b6 944static bfd_boolean
0c7a8e5a
AM
945gld${EMULATION_NAME}_open_dynamic_archive
946 (const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
252b5132 947{
04925e1e
AM
948 const char *filename;
949 char *string;
252b5132 950
04925e1e 951 if (! entry->is_archive)
b34976b6 952 return FALSE;
252b5132 953
04925e1e 954 filename = entry->filename;
252b5132 955
04925e1e
AM
956 /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
957 is defined, but it does not seem worth the headache to optimize
958 away those two bytes of space. */
959 string = (char *) xmalloc (strlen (search->name)
960 + strlen (filename)
961 + strlen (arch)
962#ifdef EXTRA_SHLIB_EXTENSION
963 + strlen (EXTRA_SHLIB_EXTENSION)
964#endif
965 + sizeof "/lib.so");
966
967 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
968
969#ifdef EXTRA_SHLIB_EXTENSION
970 /* Try the .so extension first. If that fails build a new filename
971 using EXTRA_SHLIB_EXTENSION. */
972 if (! ldfile_try_open_bfd (string, entry))
973 sprintf (string, "%s/lib%s%s%s", search->name,
974 filename, arch, EXTRA_SHLIB_EXTENSION);
975#endif
976
977 if (! ldfile_try_open_bfd (string, entry))
252b5132 978 {
04925e1e 979 free (string);
b34976b6 980 return FALSE;
04925e1e 981 }
252b5132 982
04925e1e 983 entry->filename = string;
252b5132 984
04925e1e
AM
985 /* We have found a dynamic object to include in the link. The ELF
986 backend linker will create a DT_NEEDED entry in the .dynamic
987 section naming this file. If this file includes a DT_SONAME
988 entry, it will be used. Otherwise, the ELF linker will just use
989 the name of the file. For an archive found by searching, like
990 this one, the DT_NEEDED entry should consist of just the name of
991 the file, without the path information used to find it. Note
992 that we only need to do this if we have a dynamic object; an
993 archive will never be referenced by a DT_NEEDED entry.
252b5132 994
04925e1e
AM
995 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
996 very pretty. I haven't been able to think of anything that is
997 pretty, though. */
998 if (bfd_check_format (entry->the_bfd, bfd_object)
999 && (entry->the_bfd->flags & DYNAMIC) != 0)
1000 {
04925e1e 1001 ASSERT (entry->is_archive && entry->search_dirs_flag);
252b5132 1002
04925e1e 1003 /* Rather than duplicating the logic above. Just use the
1c9acd94 1004 filename we recorded earlier. */
04925e1e 1005
fed2999d 1006 filename = lbasename (entry->filename);
1c9acd94 1007 bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
04925e1e
AM
1008 }
1009
b34976b6 1010 return TRUE;
04925e1e
AM
1011}
1012
41392f03
AM
1013EOF
1014fi
cde43e70
AM
1015
1016if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
41392f03
AM
1017cat >>e${EMULATION_NAME}.c <<EOF
1018
1019/* A variant of lang_output_section_find. Used by place_orphan. */
04925e1e 1020
04925e1e 1021static lang_output_section_statement_type *
2a36a117 1022output_rel_find (asection *sec, int isdyn)
04925e1e
AM
1023{
1024 lang_statement_union_type *u;
1025 lang_output_section_statement_type *lookup;
ba493122 1026 lang_output_section_statement_type *last = NULL;
2a36a117 1027 lang_output_section_statement_type *last_alloc = NULL;
ba493122
AM
1028 lang_output_section_statement_type *last_rel = NULL;
1029 lang_output_section_statement_type *last_rel_alloc = NULL;
24cdb50a 1030 int rela = sec->name[4] == 'a';
04925e1e 1031
ba493122 1032 for (u = lang_output_section_statement.head; u; u = lookup->next)
04925e1e
AM
1033 {
1034 lookup = &u->output_section_statement;
ba493122 1035 if (strncmp (".rel", lookup->name, 4) == 0)
04925e1e 1036 {
24cdb50a 1037 int lookrela = lookup->name[4] == 'a';
ba493122 1038
2a36a117
AM
1039 /* .rel.dyn must come before all other reloc sections, to suit
1040 GNU ld.so. */
1041 if (isdyn)
1042 break;
1043
1044 /* Don't place after .rel.plt as doing so results in wrong
1045 dynamic tags. */
1046 if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
ba493122 1047 break;
2a36a117
AM
1048
1049 if (rela == lookrela || last_rel == NULL)
24cdb50a 1050 last_rel = lookup;
2a36a117
AM
1051 if ((rela == lookrela || last_rel_alloc == NULL)
1052 && lookup->bfd_section != NULL
ba493122
AM
1053 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1054 last_rel_alloc = lookup;
04925e1e 1055 }
2a36a117
AM
1056
1057 last = lookup;
1058 if (lookup->bfd_section != NULL
1059 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1060 last_alloc = lookup;
252b5132 1061 }
ba493122
AM
1062
1063 if (last_rel_alloc)
1064 return last_rel_alloc;
1065
1066 if (last_rel)
1067 return last_rel;
1068
2a36a117
AM
1069 if (last_alloc)
1070 return last_alloc;
1071
ba493122 1072 return last;
252b5132
RH
1073}
1074
95500e1c
JJ
1075/* Find the last output section before given output statement.
1076 Used by place_orphan. */
1077
1078static asection *
0c7a8e5a 1079output_prev_sec_find (lang_output_section_statement_type *os)
95500e1c
JJ
1080{
1081 asection *s = (asection *) NULL;
1082 lang_statement_union_type *u;
1083 lang_output_section_statement_type *lookup;
1084
1085 for (u = lang_output_section_statement.head;
1086 u != (lang_statement_union_type *) NULL;
1087 u = lookup->next)
1088 {
1089 lookup = &u->output_section_statement;
1090 if (lookup == os)
cde43e70
AM
1091 return s;
1092
1093 if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
95500e1c
JJ
1094 s = lookup->bfd_section;
1095 }
1096
cde43e70 1097 return NULL;
95500e1c
JJ
1098}
1099
252b5132
RH
1100/* Place an orphan section. We use this to put random SHF_ALLOC
1101 sections in the right segment. */
1102
41392f03 1103struct orphan_save {
6a345e87 1104 lang_output_section_statement_type *os;
5ba47421 1105 asection **section;
6a345e87 1106 lang_statement_union_type **stmt;
1e5e5400 1107 lang_statement_union_type **os_tail;
6a345e87 1108};
252b5132 1109
b34976b6 1110static bfd_boolean
0c7a8e5a 1111gld${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s)
252b5132 1112{
aea4bd9d
AM
1113 static struct orphan_save hold_text;
1114 static struct orphan_save hold_rodata;
1115 static struct orphan_save hold_data;
1116 static struct orphan_save hold_bss;
1117 static struct orphan_save hold_rel;
1118 static struct orphan_save hold_interp;
c940e6fc 1119 static struct orphan_save hold_sdata;
f9989030 1120 static int count = 1;
6a345e87 1121 struct orphan_save *place;
71bfc0ae 1122 lang_statement_list_type *old;
252b5132
RH
1123 lang_statement_list_type add;
1124 etree_type *address;
a854a4a7 1125 const char *secname;
a854a4a7 1126 const char *ps = NULL;
252b5132 1127 lang_output_section_statement_type *os;
1e5e5400 1128 lang_statement_union_type **os_tail;
36478e9d 1129 etree_type *load_base;
24cdb50a 1130 int isdyn = 0;
252b5132 1131
aea4bd9d 1132 secname = bfd_get_section_name (s->owner, s);
1049f94e 1133 if (! link_info.relocatable
24cdb50a 1134 && link_info.combreloc
a8927cfd 1135 && (s->flags & SEC_ALLOC)
24cdb50a
AM
1136 && strncmp (secname, ".rel", 4) == 0)
1137 {
1138 if (secname[4] == 'a')
1139 secname = ".rela.dyn";
1140 else
1141 secname = ".rel.dyn";
1142 isdyn = 1;
1143 }
aea4bd9d 1144
24cdb50a 1145 if (isdyn || (!config.unique_orphan_sections && !unique_section_p (secname)))
252b5132 1146 {
6d02a667 1147 /* Look through the script to see where to place this section. */
a854a4a7
AM
1148 os = lang_output_section_find (secname);
1149
1150 if (os != NULL
0f33d40b
AM
1151 && (os->bfd_section == NULL
1152 || ((s->flags ^ os->bfd_section->flags)
1153 & (SEC_LOAD | SEC_ALLOC)) == 0))
a854a4a7 1154 {
0f33d40b 1155 /* We already have an output section statement with this
22af9fd3 1156 name, and its bfd section, if any, has compatible flags. */
39dcfe18 1157 lang_add_section (&os->children, s, os, file);
b34976b6 1158 return TRUE;
a854a4a7 1159 }
252b5132
RH
1160 }
1161
aea4bd9d
AM
1162 if (hold_text.os == NULL)
1163 hold_text.os = lang_output_section_find (".text");
252b5132
RH
1164
1165 /* If this is a final link, then always put .gnu.warning.SYMBOL
1166 sections into the .text section to get them out of the way. */
36af4a4e 1167 if (link_info.executable
1049f94e 1168 && ! link_info.relocatable
252b5132 1169 && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
6a345e87 1170 && hold_text.os != NULL)
252b5132 1171 {
39dcfe18 1172 lang_add_section (&hold_text.os->children, s, hold_text.os, file);
b34976b6 1173 return TRUE;
252b5132
RH
1174 }
1175
1176 /* Decide which segment the section should go in based on the
1177 section name and section flags. We put loadable .note sections
1178 right after the .interp section, so that the PT_NOTE segment is
1179 stored right after the program headers where the OS can read it
1180 in the first page. */
aea4bd9d
AM
1181#define HAVE_SECTION(hold, name) \
1182(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1183
1049f94e 1184 if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocatable)
22af9fd3
AM
1185 {
1186 if (s->output_section == NULL)
1187 s->output_section = bfd_abs_section_ptr;
b34976b6 1188 return TRUE;
22af9fd3 1189 }
71bfc0ae
AM
1190
1191 place = NULL;
1192 if ((s->flags & SEC_ALLOC) == 0)
1193 ;
252b5132 1194 else if ((s->flags & SEC_LOAD) != 0
577a0623 1195 && strncmp (secname, ".note", 5) == 0
aea4bd9d 1196 && HAVE_SECTION (hold_interp, ".interp"))
6a345e87 1197 place = &hold_interp;
252b5132 1198 else if ((s->flags & SEC_HAS_CONTENTS) == 0
aea4bd9d 1199 && HAVE_SECTION (hold_bss, ".bss"))
6a345e87 1200 place = &hold_bss;
c940e6fc
JW
1201 else if ((s->flags & SEC_SMALL_DATA) != 0
1202 && HAVE_SECTION (hold_sdata, ".sdata"))
1203 place = &hold_sdata;
252b5132 1204 else if ((s->flags & SEC_READONLY) == 0
aea4bd9d 1205 && HAVE_SECTION (hold_data, ".data"))
6a345e87 1206 place = &hold_data;
252b5132 1207 else if (strncmp (secname, ".rel", 4) == 0
ba493122 1208 && (s->flags & SEC_LOAD) != 0
aea4bd9d 1209 && (hold_rel.os != NULL
2a36a117 1210 || (hold_rel.os = output_rel_find (s, isdyn)) != NULL))
ba493122 1211 place = &hold_rel;
71bfc0ae 1212 else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY
aea4bd9d 1213 && HAVE_SECTION (hold_rodata, ".rodata"))
6a345e87 1214 place = &hold_rodata;
71bfc0ae 1215 else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY)
6a345e87
AM
1216 && hold_text.os != NULL)
1217 place = &hold_text;
252b5132 1218
aea4bd9d
AM
1219#undef HAVE_SECTION
1220
252b5132
RH
1221 /* Choose a unique name for the section. This will be needed if the
1222 same section name appears in the input file with different
f813923c 1223 loadable or allocatable characteristics. */
24cdb50a 1224 if (bfd_get_section_by_name (output_bfd, secname) != NULL)
b3ea3584 1225 {
24cdb50a
AM
1226 secname = bfd_get_unique_section_name (output_bfd, secname, &count);
1227 if (secname == NULL)
b3ea3584
AM
1228 einfo ("%F%P: place_orphan failed: %E\n");
1229 }
252b5132 1230
71bfc0ae
AM
1231 /* Start building a list of statements for this section.
1232 First save the current statement pointer. */
1233 old = stat_ptr;
1234
1235 /* If we have found an appropriate place for the output section
1236 statements for this orphan, add them to our own private list,
1237 inserting them later into the global statement list. */
5ba47421 1238 if (place != NULL)
252b5132 1239 {
5ba47421
AM
1240 stat_ptr = &add;
1241 lang_list_init (stat_ptr);
71bfc0ae 1242 }
5ba47421 1243
71bfc0ae
AM
1244 if (config.build_constructors)
1245 {
5ba47421
AM
1246 /* If the name of the section is representable in C, then create
1247 symbols to mark the start and the end of the section. */
24cdb50a 1248 for (ps = secname; *ps != '\0'; ps++)
3882b010 1249 if (! ISALNUM (*ps) && *ps != '_')
5ba47421 1250 break;
71bfc0ae 1251 if (*ps == '\0')
5ba47421
AM
1252 {
1253 char *symname;
1254 etree_type *e_align;
1255
24cdb50a
AM
1256 symname = (char *) xmalloc (ps - secname + sizeof "__start_");
1257 sprintf (symname, "__start_%s", secname);
5ba47421
AM
1258 e_align = exp_unop (ALIGN_K,
1259 exp_intop ((bfd_vma) 1 << s->alignment_power));
1260 lang_add_assignment (exp_assop ('=', symname, e_align));
1261 }
252b5132
RH
1262 }
1263
36478e9d 1264 address = NULL;
1049f94e 1265 if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
252b5132 1266 address = exp_intop ((bfd_vma) 0);
36478e9d
AM
1267
1268 load_base = NULL;
1269 if (place != NULL && place->os->load_base != NULL)
1270 {
1271 etree_type *lma_from_vma;
1272 lma_from_vma = exp_binop ('-', place->os->load_base,
1273 exp_nameop (ADDR, place->os->name));
1274 load_base = exp_binop ('+', lma_from_vma,
1275 exp_nameop (ADDR, secname));
1276 }
252b5132 1277
1e5e5400 1278 os_tail = lang_output_section_statement.tail;
24cdb50a 1279 os = lang_enter_output_section_statement (secname, address, 0,
aea4bd9d
AM
1280 (etree_type *) NULL,
1281 (etree_type *) NULL,
36478e9d 1282 load_base);
252b5132 1283
39dcfe18 1284 lang_add_section (&os->children, s, os, file);
252b5132 1285
20d04697
L
1286 lang_leave_output_section_statement
1287 ((bfd_vma) 0, "*default*",
ee3cc2e2 1288 (struct lang_output_section_phdr_list *) NULL, NULL);
20d04697 1289
71bfc0ae 1290 if (config.build_constructors && *ps == '\0')
252b5132 1291 {
71bfc0ae 1292 char *symname;
252b5132 1293
71bfc0ae
AM
1294 /* lang_leave_ouput_section_statement resets stat_ptr. Put
1295 stat_ptr back where we want it. */
1296 if (place != NULL)
1297 stat_ptr = &add;
252b5132 1298
24cdb50a
AM
1299 symname = (char *) xmalloc (ps - secname + sizeof "__stop_");
1300 sprintf (symname, "__stop_%s", secname);
71bfc0ae
AM
1301 lang_add_assignment (exp_assop ('=', symname,
1302 exp_nameop (NAME, ".")));
1303 }
5ba47421 1304
71bfc0ae
AM
1305 /* Restore the global list pointer. */
1306 stat_ptr = old;
1307
25844aae 1308 if (place != NULL && os->bfd_section != NULL)
71bfc0ae 1309 {
cde43e70 1310 asection *snew, **pps;
5ba47421
AM
1311
1312 snew = os->bfd_section;
95500e1c 1313
cde43e70
AM
1314 /* Shuffle the bfd section list to make the output file look
1315 neater. This is really only cosmetic. */
1316 if (place->section == NULL)
5ba47421 1317 {
cde43e70 1318 asection *bfd_section = place->os->bfd_section;
5ba47421 1319
cde43e70
AM
1320 /* If the output statement hasn't been used to place
1321 any input sections (and thus doesn't have an output
1322 bfd_section), look for the closest prior output statement
1323 having an output section. */
1324 if (bfd_section == NULL)
1325 bfd_section = output_prev_sec_find (place->os);
1326
1327 if (bfd_section != NULL && bfd_section != snew)
1328 place->section = &bfd_section->next;
1329 }
1330
1331 if (place->section != NULL)
1332 {
3dfe7a8c 1333 /* Unlink the section. */
5ba47421
AM
1334 for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
1335 ;
3dfe7a8c 1336 bfd_section_list_remove (output_bfd, pps);
5ba47421
AM
1337
1338 /* Now tack it on to the "place->os" section list. */
3dfe7a8c 1339 bfd_section_list_insert (output_bfd, place->section, snew);
5ba47421 1340 }
5ba47421 1341
cde43e70
AM
1342 /* Save the end of this list. Further ophans of this type will
1343 follow the one we've just added. */
1344 place->section = &snew->next;
1345
1346 /* The following is non-cosmetic. We try to put the output
1347 statements in some sort of reasonable order here, because
1348 they determine the final load addresses of the orphan
1349 sections. In addition, placing output statements in the
1350 wrong order may require extra segments. For instance,
1351 given a typical situation of all read-only sections placed
1352 in one segment and following that a segment containing all
1353 the read-write sections, we wouldn't want to place an orphan
1354 read/write section before or amongst the read-only ones. */
ed15ac6a 1355 if (add.head != NULL)
01cc8ff8 1356 {
1e5e5400
AM
1357 lang_statement_union_type *newly_added_os;
1358
ed15ac6a
AM
1359 if (place->stmt == NULL)
1360 {
1361 /* Put the new statement list right at the head. */
1362 *add.tail = place->os->header.next;
1363 place->os->header.next = add.head;
1e5e5400
AM
1364
1365 place->os_tail = &place->os->next;
ed15ac6a
AM
1366 }
1367 else
1368 {
1369 /* Put it after the last orphan statement we added. */
1370 *add.tail = *place->stmt;
1371 *place->stmt = add.head;
1372 }
71bfc0ae 1373
ed15ac6a
AM
1374 /* Fix the global list pointer if we happened to tack our
1375 new list at the tail. */
1376 if (*old->tail == add.head)
1377 old->tail = add.tail;
71bfc0ae 1378
ed15ac6a
AM
1379 /* Save the end of this list. */
1380 place->stmt = add.tail;
1e5e5400
AM
1381
1382 /* Do the same for the list of output section statements. */
1383 newly_added_os = *os_tail;
1384 *os_tail = NULL;
1385 newly_added_os->output_section_statement.next = *place->os_tail;
1386 *place->os_tail = newly_added_os;
1387 place->os_tail = &newly_added_os->output_section_statement.next;
1388
1389 /* Fixing the global list pointer here is a little different.
1390 We added to the list in lang_enter_output_section_statement,
1391 trimmed off the new output_section_statment above when
1392 assigning *os_tail = NULL, but possibly added it back in
1393 the same place when assigning *place->os_tail. */
1394 if (*os_tail == NULL)
1395 lang_output_section_statement.tail = os_tail;
ed15ac6a 1396 }
6a345e87 1397 }
252b5132 1398
b34976b6 1399 return TRUE;
252b5132 1400}
c56feb2b
AM
1401EOF
1402fi
1403
1404if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
1405cat >>e${EMULATION_NAME}.c <<EOF
252b5132 1406
73d074b4 1407static void
0c7a8e5a 1408gld${EMULATION_NAME}_finish (void)
73d074b4 1409{
7a945db6 1410 if (bfd_elf_discard_info (output_bfd, &link_info))
73d074b4 1411 {
e3dc8847
HPN
1412 lang_reset_memory_regions ();
1413
73d074b4
DJ
1414 /* Resize the sections. */
1415 lang_size_sections (stat_ptr->head, abs_output_section,
cf888e70 1416 &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE);
73d074b4
DJ
1417
1418 /* Redo special stuff. */
1419 ldemul_after_allocation ();
1420
1421 /* Do the assignments again. */
1422 lang_do_assignments (stat_ptr->head, abs_output_section,
2c382fb6 1423 (fill_type *) 0, (bfd_vma) 0);
73d074b4
DJ
1424 }
1425}
41392f03
AM
1426EOF
1427fi
1428
1429if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
1430cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
1431
1432static char *
0c7a8e5a 1433gld${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
1434EOF
1435
1436if test -n "$COMPILE_IN"
1437then
1438# Scripts compiled in.
1439
1440# sed commands to quote an ld script as a C string.
597e2591 1441sc="-f stringify.sed"
252b5132
RH
1442
1443cat >>e${EMULATION_NAME}.c <<EOF
60bcf0fa 1444{
252b5132
RH
1445 *isfile = 0;
1446
1049f94e 1447 if (link_info.relocatable && config.build_constructors)
597e2591 1448 return
252b5132 1449EOF
b34976b6 1450sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1049f94e 1451echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
b34976b6
AM
1452sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1453echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1454sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
61585df2 1455if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
b34976b6
AM
1456echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1457sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
db6751f2 1458fi
36af4a4e
JJ
1459if test -n "$GENERATE_PIE_SCRIPT" ; then
1460if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
1461echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
1462sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
1463fi
1464echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
1465sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
1466fi
252b5132 1467if test -n "$GENERATE_SHLIB_SCRIPT" ; then
82434356 1468if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
db6751f2 1469echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
b34976b6 1470sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
82434356 1471fi
b34976b6
AM
1472echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
1473sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132 1474fi
82434356 1475if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
b34976b6
AM
1476echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
1477sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
82434356 1478fi
b34976b6
AM
1479echo ' ; else return' >> e${EMULATION_NAME}.c
1480sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1481echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
1482
1483else
1484# Scripts read from the filesystem.
1485
1486cat >>e${EMULATION_NAME}.c <<EOF
60bcf0fa 1487{
252b5132
RH
1488 *isfile = 1;
1489
1049f94e 1490 if (link_info.relocatable && config.build_constructors)
252b5132 1491 return "ldscripts/${EMULATION_NAME}.xu";
1049f94e 1492 else if (link_info.relocatable)
252b5132
RH
1493 return "ldscripts/${EMULATION_NAME}.xr";
1494 else if (!config.text_read_only)
1495 return "ldscripts/${EMULATION_NAME}.xbn";
a060b769
AM
1496EOF
1497if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
1498else
1499cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
1500 else if (!config.magic_demand_paged)
1501 return "ldscripts/${EMULATION_NAME}.xn";
a060b769
AM
1502EOF
1503fi
36af4a4e
JJ
1504if test -n "$GENERATE_PIE_SCRIPT" ; then
1505if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
1506cat >>e${EMULATION_NAME}.c <<EOF
1507 else if (link_info.pie && link_info.combreloc)
1508 return "ldscripts/${EMULATION_NAME}.xdc";
1509EOF
1510fi
1511cat >>e${EMULATION_NAME}.c <<EOF
1512 else if (link_info.pie)
1513 return "ldscripts/${EMULATION_NAME}.xd";
1514EOF
1515fi
a060b769
AM
1516if test -n "$GENERATE_SHLIB_SCRIPT" ; then
1517if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
1518cat >>e${EMULATION_NAME}.c <<EOF
1519 else if (link_info.shared && link_info.combreloc)
1520 return "ldscripts/${EMULATION_NAME}.xsc";
1521EOF
1522fi
1523cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
1524 else if (link_info.shared)
1525 return "ldscripts/${EMULATION_NAME}.xs";
a060b769
AM
1526EOF
1527fi
1528if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
1529cat >>e${EMULATION_NAME}.c <<EOF
1530 else if (link_info.combreloc)
1531 return "ldscripts/${EMULATION_NAME}.xc";
1532EOF
1533fi
1534cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
1535 else
1536 return "ldscripts/${EMULATION_NAME}.x";
1537}
252b5132 1538
3b108066 1539EOF
41392f03
AM
1540fi
1541fi
3b108066 1542
41392f03 1543if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
3b108066 1544
e0ee487b
L
1545if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
1546cat >>e${EMULATION_NAME}.c <<EOF
1547 $PARSE_AND_LIST_PROLOGUE
1548EOF
1549fi
1550
e0ee487b
L
1551cat >>e${EMULATION_NAME}.c <<EOF
1552
6c1439be
L
1553#define OPTION_DISABLE_NEW_DTAGS (400)
1554#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
a1ab1d2a 1555#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
65765700 1556#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
6c1439be 1557
3bcf5557 1558static void
0c7a8e5a
AM
1559gld${EMULATION_NAME}_add_options
1560 (int ns, char **shortopts, int nl, struct option **longopts,
1561 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
e0ee487b 1562{
3bcf5557
AM
1563 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
1564 static const struct option xtra_long[] = {
e0ee487b 1565EOF
e0ee487b
L
1566
1567if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
1568cat >>e${EMULATION_NAME}.c <<EOF
3bcf5557
AM
1569 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
1570 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
1571 {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
1572 {"Bgroup", no_argument, NULL, OPTION_GROUP},
e0ee487b
L
1573EOF
1574fi
1575
1576if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
1577cat >>e${EMULATION_NAME}.c <<EOF
3bcf5557 1578 $PARSE_AND_LIST_LONGOPTS
e0ee487b
L
1579EOF
1580fi
1581
e0ee487b 1582cat >>e${EMULATION_NAME}.c <<EOF
3bcf5557
AM
1583 {NULL, no_argument, NULL, 0}
1584 };
1585
1586 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
1587 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
1588 *longopts = (struct option *)
1589 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
1590 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
1591}
04925e1e 1592
3bcf5557 1593static bfd_boolean
0c7a8e5a 1594gld${EMULATION_NAME}_handle_option (int optc)
e0ee487b 1595{
e0ee487b
L
1596 switch (optc)
1597 {
1598 default:
3bcf5557 1599 return FALSE;
6c1439be 1600
e0ee487b 1601EOF
e0ee487b
L
1602
1603if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
1604cat >>e${EMULATION_NAME}.c <<EOF
6c1439be 1605 case OPTION_DISABLE_NEW_DTAGS:
b34976b6 1606 link_info.new_dtags = FALSE;
6c1439be
L
1607 break;
1608
1609 case OPTION_ENABLE_NEW_DTAGS:
b34976b6 1610 link_info.new_dtags = TRUE;
6c1439be
L
1611 break;
1612
65765700 1613 case OPTION_EH_FRAME_HDR:
b34976b6 1614 link_info.eh_frame_hdr = TRUE;
65765700
JJ
1615 break;
1616
a1ab1d2a
UD
1617 case OPTION_GROUP:
1618 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
1619 /* Groups must be self-contained. */
560e09e9
NC
1620 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
1621 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
a1ab1d2a
UD
1622 break;
1623
e0ee487b
L
1624 case 'z':
1625 if (strcmp (optarg, "initfirst") == 0)
1626 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
1627 else if (strcmp (optarg, "interpose") == 0)
1628 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
1629 else if (strcmp (optarg, "loadfltr") == 0)
1630 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
1631 else if (strcmp (optarg, "nodefaultlib") == 0)
1632 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
1633 else if (strcmp (optarg, "nodelete") == 0)
1634 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
1635 else if (strcmp (optarg, "nodlopen") == 0)
1636 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
1637 else if (strcmp (optarg, "nodump") == 0)
1638 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
1639 else if (strcmp (optarg, "now") == 0)
1640 {
1641 link_info.flags |= (bfd_vma) DF_BIND_NOW;
1642 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
1643 }
1644 else if (strcmp (optarg, "origin") == 0)
1645 {
1646 link_info.flags |= (bfd_vma) DF_ORIGIN;
1647 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
1648 }
a1ab1d2a 1649 else if (strcmp (optarg, "defs") == 0)
560e09e9 1650 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
aa713662 1651 else if (strcmp (optarg, "muldefs") == 0)
b34976b6 1652 link_info.allow_multiple_definition = TRUE;
db6751f2 1653 else if (strcmp (optarg, "combreloc") == 0)
b34976b6 1654 link_info.combreloc = TRUE;
db6751f2 1655 else if (strcmp (optarg, "nocombreloc") == 0)
b34976b6 1656 link_info.combreloc = FALSE;
8bd621d8 1657 else if (strcmp (optarg, "nocopyreloc") == 0)
0c7a8e5a 1658 link_info.nocopyreloc = TRUE;
9ee5e499
JJ
1659 else if (strcmp (optarg, "execstack") == 0)
1660 {
1661 link_info.execstack = TRUE;
1662 link_info.noexecstack = FALSE;
1663 }
1664 else if (strcmp (optarg, "noexecstack") == 0)
1665 {
1666 link_info.noexecstack = TRUE;
1667 link_info.execstack = FALSE;
1668 }
e0ee487b 1669 /* What about the other Solaris -z options? FIXME. */
6c1439be 1670 break;
e0ee487b
L
1671EOF
1672fi
1673
1674if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
1675cat >>e${EMULATION_NAME}.c <<EOF
1676 $PARSE_AND_LIST_ARGS_CASES
1677EOF
1678fi
1679
e0ee487b
L
1680cat >>e${EMULATION_NAME}.c <<EOF
1681 }
1682
3bcf5557 1683 return TRUE;
e0ee487b
L
1684}
1685
41392f03 1686EOF
41392f03 1687
4b209b22 1688if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
41392f03
AM
1689cat >>e${EMULATION_NAME}.c <<EOF
1690
e0ee487b 1691static void
0c7a8e5a 1692gld${EMULATION_NAME}_list_options (FILE * file)
e0ee487b
L
1693{
1694EOF
e0ee487b
L
1695
1696if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
1697cat >>e${EMULATION_NAME}.c <<EOF
a1ab1d2a 1698 fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n"));
6c1439be
L
1699 fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n"));
1700 fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n"));
65765700 1701 fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n"));
ec38dd05 1702 fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n"));
560e09e9 1703 fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n"));
9ee5e499 1704 fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n"));
f813923c
HPN
1705 fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n"));
1706 fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n"));
e0ee487b 1707 fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n"));
aa713662 1708 fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n"));
146e7110
AM
1709 fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n"));
1710 fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n"));
e0ee487b
L
1711 fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n"));
1712 fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n"));
f813923c
HPN
1713 fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n"));
1714 fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n"));
10b4329d 1715 fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n"));
e0ee487b 1716 fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n"));
73e87d70 1717 fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n"));
19e3be22 1718 fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n"));
e0ee487b
L
1719EOF
1720fi
1721
1722if test -n "$PARSE_AND_LIST_OPTIONS" ; then
1723cat >>e${EMULATION_NAME}.c <<EOF
1724 $PARSE_AND_LIST_OPTIONS
1725EOF
1726fi
1727
e0ee487b
L
1728cat >>e${EMULATION_NAME}.c <<EOF
1729}
1730EOF
e0ee487b
L
1731
1732if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
1733cat >>e${EMULATION_NAME}.c <<EOF
1734 $PARSE_AND_LIST_EPILOGUE
1735EOF
1736fi
41392f03
AM
1737fi
1738else
41392f03 1739cat >>e${EMULATION_NAME}.c <<EOF
3bcf5557
AM
1740#define gld${EMULATION_NAME}_add_options NULL
1741#define gld${EMULATION_NAME}_handle_option NULL
41392f03 1742EOF
4b209b22 1743if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
41392f03 1744cat >>e${EMULATION_NAME}.c <<EOF
4b209b22 1745#define gld${EMULATION_NAME}_list_options NULL
41392f03
AM
1746EOF
1747fi
1748fi
e0ee487b 1749
252b5132
RH
1750cat >>e${EMULATION_NAME}.c <<EOF
1751
60bcf0fa 1752struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 1753{
41392f03
AM
1754 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
1755 ${LDEMUL_SYSLIB-syslib_default},
1756 ${LDEMUL_HLL-hll_default},
1757 ${LDEMUL_AFTER_PARSE-after_parse_default},
1758 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
1759 ${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
1760 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
1761 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
1762 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
1763 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
1764 "${EMULATION_NAME}",
1765 "${OUTPUT_FORMAT}",
c56feb2b 1766 ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish},
41392f03
AM
1767 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
1768 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
1769 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
1770 ${LDEMUL_SET_SYMBOLS-NULL},
3bcf5557
AM
1771 ${LDEMUL_PARSE_ARGS-NULL},
1772 gld${EMULATION_NAME}_add_options,
1773 gld${EMULATION_NAME}_handle_option,
41392f03 1774 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
4b209b22 1775 ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
4a43e768 1776 ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
41392f03 1777 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
fac1652d 1778 ${LDEMUL_NEW_VERS_PATTERN-NULL}
252b5132
RH
1779};
1780EOF
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