ChangeLog rotatation and copyright year update
[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
92b93329 11fragment <<EOF
252b5132
RH
12/* This file is is generated by a shell script. DO NOT EDIT! */
13
14/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
b90efa5b 15 Copyright (C) 1991-2015 Free Software Foundation, Inc.
252b5132
RH
16 Written by Steve Chamberlain <sac@cygnus.com>
17 ELF support by Ian Lance Taylor <ian@cygnus.com>
18
f96b4a7b
NC
19 This file is part of the GNU Binutils.
20
21 This program is free software; you can redistribute it and/or modify
22 it under the terms of the GNU General Public License as published by
23 the Free Software Foundation; either version 3 of the License, or
24 (at your option) any later version.
25
26 This program is distributed in the hope that it will be useful,
27 but WITHOUT ANY WARRANTY; without even the implied warranty of
28 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 GNU General Public License for more details.
30
31 You should have received a copy of the GNU General Public License
32 along with this program; if not, write to the Free Software
33 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
34 MA 02110-1301, USA. */
252b5132
RH
35
36#define TARGET_IS_${EMULATION_NAME}
37
252b5132 38#include "sysdep.h"
3db64b00 39#include "bfd.h"
1c9acd94 40#include "libiberty.h"
8056826a 41#include "safe-ctype.h"
42627821 42#include "filenames.h"
fcf65871 43#include "getopt.h"
24382dca 44#include <fcntl.h>
252b5132
RH
45
46#include "bfdlink.h"
47
48#include "ld.h"
49#include "ldmain.h"
252b5132
RH
50#include "ldmisc.h"
51#include "ldexp.h"
52#include "ldlang.h"
b71e2778
AM
53#include "ldfile.h"
54#include "ldemul.h"
61e2488c 55#include "ldbuildid.h"
df2a7313 56#include <ldgram.h>
e0ee487b 57#include "elf/common.h"
ecca9871 58#include "elf-bfd.h"
07f1e47a 59#include "filenames.h"
252b5132 60
0c7a8e5a
AM
61/* Declare functions used by various EXTRA_EM_FILEs. */
62static void gld${EMULATION_NAME}_before_parse (void);
63static void gld${EMULATION_NAME}_after_open (void);
64static void gld${EMULATION_NAME}_before_allocation (void);
eaeb0a9d 65static void gld${EMULATION_NAME}_after_allocation (void);
c2edb4b8 66static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan
8a99a385 67 (asection *, const char *, int);
41392f03
AM
68EOF
69
d3989512
JJ
70if [ "x${USE_LIBPATH}" = xyes ] ; then
71 case ${target} in
a5244b7e 72 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 73 fragment <<EOF
0b48acfe 74#ifdef HAVE_GLOB
d3989512 75#include <glob.h>
0b48acfe 76#endif
d3989512
JJ
77EOF
78 ;;
79 esac
80fi
81
41392f03
AM
82# Import any needed special functions and/or overrides.
83#
92b93329 84source_em ${srcdir}/emultempl/elf-generic.em
41392f03 85if test -n "$EXTRA_EM_FILE" ; then
92b93329 86 source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
41392f03
AM
87fi
88
f813923c 89# Functions in this file can be overridden by setting the LDEMUL_* shell
41392f03
AM
90# variables. If the name of the overriding function is the same as is
91# defined in this file, then don't output this file's version.
92# If a different overriding name is given then output the standard function
93# as presumably it is called from the overriding function.
94#
95if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
92b93329 96fragment <<EOF
41392f03 97
252b5132 98static void
0c7a8e5a 99gld${EMULATION_NAME}_before_parse (void)
252b5132 100{
5e2f1575 101 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
66be1055 102 input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
b34976b6 103 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
4724d37e 104 config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
663fa543
L
105}
106
822b8bf4 107EOF
663fa543 108fi
822b8bf4 109
4a43e768 110if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
92b93329 111fragment <<EOF
ddbb8a31 112/* Handle the generation of DT_NEEDED tags. */
4a43e768
AM
113
114static bfd_boolean
115gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
116{
96d56e9f 117 int link_class = 0;
4a43e768
AM
118
119 /* Tell the ELF linker that we don't want the output file to have a
120 DT_NEEDED entry for this file, unless it is used to resolve
121 references in a regular object. */
66be1055 122 if (entry->flags.add_DT_NEEDED_for_regular)
96d56e9f 123 link_class = DYN_AS_NEEDED;
e56f61be
L
124
125 /* Tell the ELF linker that we don't want the output file to have a
126 DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
127 this file at all. */
66be1055 128 if (!entry->flags.add_DT_NEEDED_for_dynamic)
96d56e9f 129 link_class |= DYN_NO_ADD_NEEDED;
e56f61be 130
66be1055 131 if (entry->flags.just_syms
12b9ff6c
L
132 && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
133 einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
134 entry->the_bfd);
135
ddbb8a31 136 if (link_class == 0
e56f61be
L
137 || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
138 return FALSE;
139
1e9cc1c2 140 bfd_elf_set_dyn_lib_class (entry->the_bfd,
4724d37e 141 (enum dynamic_lib_link_class) link_class);
4a43e768
AM
142
143 /* Continue on with normal load_symbols processing. */
144 return FALSE;
145}
146EOF
147fi
148
92b93329 149fragment <<EOF
252b5132
RH
150
151/* These variables are required to pass information back and forth
152 between after_open and check_needed and stat_needed and vercheck. */
153
154static struct bfd_link_needed_list *global_needed;
155static struct stat global_stat;
e13629bc 156static lang_input_statement_type *global_found;
252b5132 157static struct bfd_link_needed_list *global_vercheck_needed;
b34976b6 158static bfd_boolean global_vercheck_failed;
252b5132 159
7ee314fa
AM
160/* These variables are used to implement target options */
161
162static char *audit; /* colon (typically) separated list of libs */
163static char *depaudit; /* colon (typically) separated list of libs */
252b5132 164
30e8ee25
AM
165/* Style of .note.gnu.build-id section. */
166static const char *emit_note_gnu_build_id;
167
04925e1e
AM
168/* On Linux, it's possible to have different versions of the same
169 shared library linked against different versions of libc. The
170 dynamic linker somehow tags which libc version to use in
171 /etc/ld.so.cache, and, based on the libc that it sees in the
172 executable, chooses which version of the shared library to use.
252b5132 173
04925e1e
AM
174 We try to do a similar check here by checking whether this shared
175 library needs any other shared libraries which may conflict with
176 libraries we have already included in the link. If it does, we
177 skip it, and try to find another shared library farther on down the
178 link path.
252b5132 179
04925e1e
AM
180 This is called via lang_for_each_input_file.
181 GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
f813923c 182 which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
04925e1e 183 a conflicting version. */
252b5132 184
04925e1e 185static void
0c7a8e5a 186gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
04925e1e 187{
1c9acd94 188 const char *soname;
04925e1e 189 struct bfd_link_needed_list *l;
252b5132 190
04925e1e
AM
191 if (global_vercheck_failed)
192 return;
193 if (s->the_bfd == NULL
194 || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
195 return;
252b5132 196
04925e1e
AM
197 soname = bfd_elf_get_dt_soname (s->the_bfd);
198 if (soname == NULL)
fed2999d 199 soname = lbasename (bfd_get_filename (s->the_bfd));
04925e1e
AM
200
201 for (l = global_vercheck_needed; l != NULL; l = l->next)
202 {
203 const char *suffix;
204
42627821 205 if (filename_cmp (soname, l->name) == 0)
04925e1e
AM
206 {
207 /* Probably can't happen, but it's an easy check. */
208 continue;
252b5132
RH
209 }
210
04925e1e 211 if (strchr (l->name, '/') != NULL)
252b5132
RH
212 continue;
213
04925e1e
AM
214 suffix = strstr (l->name, ".so.");
215 if (suffix == NULL)
216 continue;
217
218 suffix += sizeof ".so." - 1;
219
42627821 220 if (filename_ncmp (soname, l->name, suffix - l->name) == 0)
04925e1e
AM
221 {
222 /* Here we know that S is a dynamic object FOO.SO.VER1, and
0c7a8e5a
AM
223 the object we are considering needs a dynamic object
224 FOO.SO.VER2, and VER1 and VER2 are different. This
225 appears to be a version mismatch, so we tell the caller
226 to try a different version of this library. */
b34976b6 227 global_vercheck_failed = TRUE;
04925e1e
AM
228 return;
229 }
252b5132
RH
230 }
231}
232
252b5132 233
04925e1e
AM
234/* See if an input file matches a DT_NEEDED entry by running stat on
235 the file. */
236
237static void
0c7a8e5a 238gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
252b5132 239{
04925e1e
AM
240 struct stat st;
241 const char *suffix;
242 const char *soname;
252b5132 243
e13629bc 244 if (global_found != NULL)
04925e1e
AM
245 return;
246 if (s->the_bfd == NULL)
247 return;
e13629bc
AM
248
249 /* If this input file was an as-needed entry, and wasn't found to be
250 needed at the stage it was linked, then don't say we have loaded it. */
251 if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86 252 return;
04925e1e
AM
253
254 if (bfd_stat (s->the_bfd, &st) != 0)
252b5132 255 {
04925e1e
AM
256 einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
257 return;
258 }
252b5132 259
9eabd475
ZW
260 /* Some operating systems, e.g. Windows, do not provide a meaningful
261 st_ino; they always set it to zero. (Windows does provide a
262 meaningful st_dev.) Do not indicate a duplicate library in that
263 case. While there is no guarantee that a system that provides
264 meaningful inode numbers will never set st_ino to zero, this is
265 merely an optimization, so we do not need to worry about false
266 negatives. */
04925e1e 267 if (st.st_dev == global_stat.st_dev
9eabd475
ZW
268 && st.st_ino == global_stat.st_ino
269 && st.st_ino != 0)
04925e1e 270 {
e13629bc 271 global_found = s;
04925e1e
AM
272 return;
273 }
252b5132 274
04925e1e
AM
275 /* We issue a warning if it looks like we are including two
276 different versions of the same shared library. For example,
277 there may be a problem if -lc picks up libc.so.6 but some other
278 shared library has a DT_NEEDED entry of libc.so.5. This is a
f813923c 279 heuristic test, and it will only work if the name looks like
04925e1e
AM
280 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
281 If we really want to issue warnings about mixing version numbers
282 of shared libraries, we need to find a better way. */
252b5132 283
04925e1e
AM
284 if (strchr (global_needed->name, '/') != NULL)
285 return;
286 suffix = strstr (global_needed->name, ".so.");
287 if (suffix == NULL)
288 return;
289 suffix += sizeof ".so." - 1;
252b5132 290
04925e1e
AM
291 soname = bfd_elf_get_dt_soname (s->the_bfd);
292 if (soname == NULL)
fed2999d 293 soname = lbasename (s->filename);
252b5132 294
42627821 295 if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
04925e1e 296 einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
1c9acd94 297 global_needed->name, global_needed->by, soname);
252b5132
RH
298}
299
e56f61be
L
300struct dt_needed
301{
302 bfd *by;
303 const char *name;
304};
04925e1e 305
252b5132
RH
306/* This function is called for each possible name for a dynamic object
307 named by a DT_NEEDED entry. The FORCE parameter indicates whether
308 to skip the check for a conflicting version. */
309
b34976b6 310static bfd_boolean
e56f61be
L
311gld${EMULATION_NAME}_try_needed (struct dt_needed *needed,
312 int force)
252b5132
RH
313{
314 bfd *abfd;
e56f61be 315 const char *name = needed->name;
ec4eb78a 316 const char *soname;
96d56e9f 317 int link_class;
252b5132 318
f13a99db 319 abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd));
252b5132 320 if (abfd == NULL)
b34976b6 321 return FALSE;
4a114e3e
L
322
323 /* Linker needs to decompress sections. */
324 abfd->flags |= BFD_DECOMPRESS;
325
252b5132
RH
326 if (! bfd_check_format (abfd, bfd_object))
327 {
cde43e70 328 bfd_close (abfd);
b34976b6 329 return FALSE;
252b5132
RH
330 }
331 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
332 {
cde43e70 333 bfd_close (abfd);
b34976b6 334 return FALSE;
252b5132
RH
335 }
336
c4bb8067 337 /* For DT_NEEDED, they have to match. */
f13a99db 338 if (abfd->xvec != link_info.output_bfd->xvec)
c4bb8067
L
339 {
340 bfd_close (abfd);
b34976b6 341 return FALSE;
c4bb8067
L
342 }
343
252b5132
RH
344 /* Check whether this object would include any conflicting library
345 versions. If FORCE is set, then we skip this check; we use this
346 the second time around, if we couldn't find any compatible
347 instance of the shared library. */
348
349 if (! force)
350 {
91d6fa6a 351 struct bfd_link_needed_list *needs;
252b5132 352
91d6fa6a 353 if (! bfd_elf_get_bfd_needed_list (abfd, &needs))
252b5132
RH
354 einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
355
91d6fa6a 356 if (needs != NULL)
252b5132 357 {
91d6fa6a 358 global_vercheck_needed = needs;
b34976b6 359 global_vercheck_failed = FALSE;
252b5132
RH
360 lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
361 if (global_vercheck_failed)
362 {
cde43e70 363 bfd_close (abfd);
b34976b6 364 /* Return FALSE to force the caller to move on to try
0c7a8e5a 365 another file on the search path. */
b34976b6 366 return FALSE;
252b5132
RH
367 }
368
369 /* But wait! It gets much worse. On Linux, if a shared
0c7a8e5a
AM
370 library does not use libc at all, we are supposed to skip
371 it the first time around in case we encounter a shared
372 library later on with the same name which does use the
373 version of libc that we want. This is much too horrible
374 to use on any system other than Linux. */
252b5132
RH
375
376EOF
377case ${target} in
a5244b7e 378 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 379 fragment <<EOF
252b5132
RH
380 {
381 struct bfd_link_needed_list *l;
382
91d6fa6a 383 for (l = needs; l != NULL; l = l->next)
0112cd26 384 if (CONST_STRNEQ (l->name, "libc.so"))
252b5132
RH
385 break;
386 if (l == NULL)
387 {
cde43e70 388 bfd_close (abfd);
b34976b6 389 return FALSE;
252b5132
RH
390 }
391 }
392
393EOF
394 ;;
395esac
92b93329 396fragment <<EOF
252b5132
RH
397 }
398 }
399
400 /* We've found a dynamic object matching the DT_NEEDED entry. */
401
04925e1e
AM
402 /* We have already checked that there is no other input file of the
403 same name. We must now check again that we are not including the
404 same file twice. We need to do this because on many systems
405 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
406 reference libc.so.1. If we have already included libc.so, we
407 don't want to include libc.so.1 if they are the same file, and we
408 can only check that using stat. */
409
410 if (bfd_stat (abfd, &global_stat) != 0)
411 einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
ec4eb78a
L
412
413 /* First strip off everything before the last '/'. */
fed2999d 414 soname = lbasename (abfd->filename);
ec4eb78a 415
cd6f1cf3 416 if (verbose)
ec4eb78a
L
417 info_msg (_("found %s at %s\n"), soname, name);
418
e13629bc 419 global_found = NULL;
04925e1e 420 lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
e13629bc 421 if (global_found != NULL)
04925e1e 422 {
b34976b6 423 /* Return TRUE to indicate that we found the file, even though
0c7a8e5a 424 we aren't going to do anything with it. */
b34976b6 425 return TRUE;
04925e1e
AM
426 }
427
4a43e768
AM
428 /* Specify the soname to use. */
429 bfd_elf_set_dt_needed_name (abfd, soname);
04925e1e 430
4a43e768
AM
431 /* Tell the ELF linker that we don't want the output file to have a
432 DT_NEEDED entry for this file, unless it is used to resolve
433 references in a regular object. */
96d56e9f 434 link_class = DYN_DT_NEEDED;
e56f61be
L
435
436 /* Tell the ELF linker that we don't want the output file to have a
437 DT_NEEDED entry for this file at all if the entry is from a file
438 with DYN_NO_ADD_NEEDED. */
7e9f0867
AM
439 if (needed->by != NULL
440 && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
96d56e9f 441 link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
e56f61be 442
1e9cc1c2 443 bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class);
04925e1e
AM
444
445 /* Add this file into the symbol table. */
446 if (! bfd_link_add_symbols (abfd, &link_info))
8ff4c1f3 447 einfo ("%F%B: error adding symbols: %E\n", abfd);
04925e1e 448
b34976b6 449 return TRUE;
04925e1e
AM
450}
451
452
453/* Search for a needed file in a path. */
454
b34976b6 455static bfd_boolean
e56f61be
L
456gld${EMULATION_NAME}_search_needed (const char *path,
457 struct dt_needed *n, int force)
04925e1e
AM
458{
459 const char *s;
e56f61be 460 const char *name = n->name;
04925e1e 461 size_t len;
e56f61be 462 struct dt_needed needed;
04925e1e 463
cc5ce052 464 if (name[0] == '/')
e56f61be 465 return gld${EMULATION_NAME}_try_needed (n, force);
cc5ce052 466
04925e1e 467 if (path == NULL || *path == '\0')
b34976b6 468 return FALSE;
e56f61be
L
469
470 needed.by = n->by;
471 needed.name = n->name;
472
04925e1e
AM
473 len = strlen (name);
474 while (1)
475 {
476 char *filename, *sset;
477
c76308d2 478 s = strchr (path, config.rpath_separator);
04925e1e
AM
479 if (s == NULL)
480 s = path + strlen (path);
481
07f1e47a
AM
482#if HAVE_DOS_BASED_FILE_SYSTEM
483 /* Assume a match on the second char is part of drive specifier. */
484 else if (config.rpath_separator == ':'
485 && s == path + 1
486 && ISALPHA (*path))
487 {
488 s = strchr (s + 1, config.rpath_separator);
489 if (s == NULL)
490 s = path + strlen (path);
491 }
492#endif
04925e1e
AM
493 filename = (char *) xmalloc (s - path + len + 2);
494 if (s == path)
495 sset = filename;
496 else
497 {
498 memcpy (filename, path, s - path);
499 filename[s - path] = '/';
500 sset = filename + (s - path) + 1;
501 }
502 strcpy (sset, name);
503
e56f61be
L
504 needed.name = filename;
505 if (gld${EMULATION_NAME}_try_needed (&needed, force))
b34976b6 506 return TRUE;
04925e1e
AM
507
508 free (filename);
509
510 if (*s == '\0')
511 break;
512 path = s + 1;
513 }
514
b34976b6 515 return FALSE;
04925e1e
AM
516}
517
518EOF
9c8ebd6a 519if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 520 fragment <<EOF
9c8ebd6a 521
c76308d2
RS
522/* Add the sysroot to every entry in a path separated by
523 config.rpath_separator. */
9c8ebd6a
DJ
524
525static char *
0c7a8e5a 526gld${EMULATION_NAME}_add_sysroot (const char *path)
9c8ebd6a
DJ
527{
528 int len, colons, i;
529 char *ret, *p;
530
531 len = strlen (path);
532 colons = 0;
533 i = 0;
534 while (path[i])
c76308d2 535 if (path[i++] == config.rpath_separator)
9c8ebd6a
DJ
536 colons++;
537
538 if (path[i])
539 colons++;
540
42644a89 541 len = len + (colons + 1) * strlen (ld_sysroot);
9c8ebd6a
DJ
542 ret = xmalloc (len + 1);
543 strcpy (ret, ld_sysroot);
544 p = ret + strlen (ret);
545 i = 0;
546 while (path[i])
c76308d2 547 if (path[i] == config.rpath_separator)
9c8ebd6a 548 {
0c7a8e5a 549 *p++ = path[i++];
9c8ebd6a
DJ
550 strcpy (p, ld_sysroot);
551 p = p + strlen (p);
9c8ebd6a
DJ
552 }
553 else
554 *p++ = path[i++];
555
556 *p = 0;
557 return ret;
558}
04925e1e 559
3dc16cab
DJ
560EOF
561 case ${target} in
ebe1fac1 562 *-*-freebsd* | *-*-dragonfly*)
92b93329 563 fragment <<EOF
ebe1fac1
NC
564/* Read the system search path the FreeBSD way rather than the Linux way. */
565#ifdef HAVE_ELF_HINTS_H
566#include <elf-hints.h>
567#else
568#include "elf-hints-local.h"
569#endif
570
571static bfd_boolean
d5c8b1f8
AM
572gld${EMULATION_NAME}_check_ld_elf_hints (const struct bfd_link_needed_list *l,
573 int force)
ebe1fac1
NC
574{
575 static bfd_boolean initialized;
576 static char *ld_elf_hints;
577 struct dt_needed needed;
578
579 if (!initialized)
580 {
581 FILE *f;
582 char *tmppath;
583
ff7a0acf 584 tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL);
ebe1fac1
NC
585 f = fopen (tmppath, FOPEN_RB);
586 free (tmppath);
587 if (f != NULL)
588 {
589 struct elfhints_hdr hdr;
590
591 if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
592 && hdr.magic == ELFHINTS_MAGIC
593 && hdr.version == 1)
594 {
595 if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
596 {
597 char *b;
598
599 b = xmalloc (hdr.dirlistlen + 1);
600 if (fread (b, 1, hdr.dirlistlen + 1, f) ==
601 hdr.dirlistlen + 1)
602 ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
e13629bc 603
ebe1fac1
NC
604 free (b);
605 }
606 }
607 fclose (f);
608 }
609
610 initialized = TRUE;
611 }
612
613 if (ld_elf_hints == NULL)
614 return FALSE;
615
d5c8b1f8
AM
616 needed.by = l->by;
617 needed.name = l->name;
618 return gld${EMULATION_NAME}_search_needed (ld_elf_hints, &needed, force);
ebe1fac1
NC
619}
620EOF
621 # FreeBSD
622 ;;
623
a5244b7e 624 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 625 fragment <<EOF
04925e1e
AM
626/* For a native linker, check the file /etc/ld.so.conf for directories
627 in which we may find shared libraries. /etc/ld.so.conf is really
482e8b32 628 only meaningful on Linux. */
04925e1e 629
d3989512 630struct gld${EMULATION_NAME}_ld_so_conf
04925e1e 631{
d3989512
JJ
632 char *path;
633 size_t len, alloc;
634};
04925e1e 635
dfcffada 636static bfd_boolean
d3989512
JJ
637gld${EMULATION_NAME}_parse_ld_so_conf
638 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
639
640static void
641gld${EMULATION_NAME}_parse_ld_so_conf_include
642 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename,
643 const char *pattern)
644{
645 char *newp = NULL;
0b48acfe 646#ifdef HAVE_GLOB
d3989512 647 glob_t gl;
0b48acfe 648#endif
d3989512
JJ
649
650 if (pattern[0] != '/')
04925e1e 651 {
d3989512
JJ
652 char *p = strrchr (filename, '/');
653 size_t patlen = strlen (pattern) + 1;
04925e1e 654
d3989512
JJ
655 newp = xmalloc (p - filename + 1 + patlen);
656 memcpy (newp, filename, p - filename + 1);
657 memcpy (newp + (p - filename + 1), pattern, patlen);
658 pattern = newp;
659 }
04925e1e 660
0b48acfe 661#ifdef HAVE_GLOB
d3989512
JJ
662 if (glob (pattern, 0, NULL, &gl) == 0)
663 {
664 size_t i;
665
666 for (i = 0; i < gl.gl_pathc; ++i)
667 gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
668 globfree (&gl);
669 }
0b48acfe
MM
670#else
671 /* If we do not have glob, treat the pattern as a literal filename. */
672 gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
673#endif
d3989512
JJ
674
675 if (newp)
676 free (newp);
677}
678
dfcffada 679static bfd_boolean
d3989512
JJ
680gld${EMULATION_NAME}_parse_ld_so_conf
681 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
682{
683 FILE *f = fopen (filename, FOPEN_RT);
563f4125
JJ
684 char *line;
685 size_t linelen;
d3989512
JJ
686
687 if (f == NULL)
dfcffada 688 return FALSE;
d3989512 689
563f4125
JJ
690 linelen = 256;
691 line = xmalloc (linelen);
692 do
d3989512 693 {
563f4125
JJ
694 char *p = line, *q;
695
696 /* Normally this would use getline(3), but we need to be portable. */
697 while ((q = fgets (p, linelen - (p - line), f)) != NULL
698 && strlen (q) == linelen - (p - line) - 1
699 && line[linelen - 2] != '\n')
700 {
701 line = xrealloc (line, 2 * linelen);
702 p = line + linelen - 1;
703 linelen += linelen;
704 }
705
706 if (q == NULL && p == line)
707 break;
d3989512
JJ
708
709 p = strchr (line, '\n');
710 if (p)
711 *p = '\0';
712
713 /* Because the file format does not know any form of quoting we
714 can search forward for the next '#' character and if found
715 make it terminating the line. */
716 p = strchr (line, '#');
717 if (p)
718 *p = '\0';
719
720 /* Remove leading whitespace. NUL is no whitespace character. */
721 p = line;
722 while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v')
723 ++p;
724
725 /* If the line is blank it is ignored. */
726 if (p[0] == '\0')
727 continue;
04925e1e 728
0112cd26 729 if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
d3989512
JJ
730 {
731 char *dir, c;
732 p += 8;
733 do
04925e1e 734 {
d3989512
JJ
735 while (*p == ' ' || *p == '\t')
736 ++p;
04925e1e 737
d3989512
JJ
738 if (*p == '\0')
739 break;
252b5132 740
d3989512
JJ
741 dir = p;
742
743 while (*p != ' ' && *p != '\t' && *p)
744 ++p;
745
746 c = *p;
747 *p++ = '\0';
748 if (dir[0] != '\0')
749 gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename,
750 dir);
751 }
752 while (c != '\0');
753 }
754 else
755 {
756 char *dir = p;
757 while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f'
758 && *p != '\r' && *p != '\v')
759 ++p;
760
761 while (p != dir && p[-1] == '/')
762 --p;
763 if (info->path == NULL)
764 {
765 info->alloc = p - dir + 1 + 256;
766 info->path = xmalloc (info->alloc);
767 info->len = 0;
768 }
04925e1e
AM
769 else
770 {
d3989512
JJ
771 if (info->len + 1 + (p - dir) >= info->alloc)
772 {
773 info->alloc += p - dir + 256;
774 info->path = xrealloc (info->path, info->alloc);
775 }
c76308d2 776 info->path[info->len++] = config.rpath_separator;
04925e1e 777 }
d3989512
JJ
778 memcpy (info->path + info->len, dir, p - dir);
779 info->len += p - dir;
780 info->path[info->len] = '\0';
781 }
782 }
563f4125 783 while (! feof (f));
d3989512
JJ
784 free (line);
785 fclose (f);
dfcffada 786 return TRUE;
d3989512 787}
252b5132 788
d3989512 789static bfd_boolean
d5c8b1f8
AM
790gld${EMULATION_NAME}_check_ld_so_conf (const struct bfd_link_needed_list *l,
791 int force)
d3989512
JJ
792{
793 static bfd_boolean initialized;
794 static char *ld_so_conf;
795 struct dt_needed needed;
252b5132 796
d3989512
JJ
797 if (! initialized)
798 {
799 char *tmppath;
800 struct gld${EMULATION_NAME}_ld_so_conf info;
9c8ebd6a 801
d3989512
JJ
802 info.path = NULL;
803 info.len = info.alloc = 0;
ff7a0acf
AM
804 tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
805 (const char *) NULL);
dfcffada
AM
806 if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
807 {
808 free (tmppath);
ff7a0acf
AM
809 tmppath = concat (ld_sysroot, "/etc/ld.so.conf",
810 (const char *) NULL);
dfcffada
AM
811 gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
812 }
d3989512 813 free (tmppath);
dfcffada 814
d3989512
JJ
815 if (info.path)
816 {
817 char *d = gld${EMULATION_NAME}_add_sysroot (info.path);
818 free (info.path);
819 ld_so_conf = d;
04925e1e 820 }
b34976b6 821 initialized = TRUE;
04925e1e 822 }
49e56c49 823
04925e1e 824 if (ld_so_conf == NULL)
b34976b6 825 return FALSE;
252b5132 826
e56f61be 827
d5c8b1f8
AM
828 needed.by = l->by;
829 needed.name = l->name;
e56f61be 830 return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force);
252b5132
RH
831}
832
04925e1e 833EOF
9c8ebd6a
DJ
834 # Linux
835 ;;
04925e1e
AM
836 esac
837fi
92b93329 838fragment <<EOF
04925e1e 839
252b5132
RH
840/* See if an input file matches a DT_NEEDED entry by name. */
841
842static void
0c7a8e5a 843gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
252b5132 844{
e13629bc
AM
845 const char *soname;
846
847 /* Stop looking if we've found a loaded lib. */
848 if (global_found != NULL
849 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
850 & DYN_AS_NEEDED) == 0)
252b5132
RH
851 return;
852
e13629bc
AM
853 if (s->filename == NULL || s->the_bfd == NULL)
854 return;
855
856 /* Don't look for a second non-loaded as-needed lib. */
857 if (global_found != NULL
858 && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86
AM
859 return;
860
42627821 861 if (filename_cmp (s->filename, global_needed->name) == 0)
252b5132 862 {
e13629bc
AM
863 global_found = s;
864 return;
865 }
577a0623 866
66be1055 867 if (s->flags.search_dirs)
e13629bc
AM
868 {
869 const char *f = strrchr (s->filename, '/');
870 if (f != NULL
42627821 871 && filename_cmp (f + 1, global_needed->name) == 0)
577a0623 872 {
e13629bc 873 global_found = s;
577a0623
AM
874 return;
875 }
252b5132
RH
876 }
877
e13629bc
AM
878 soname = bfd_elf_get_dt_soname (s->the_bfd);
879 if (soname != NULL
42627821 880 && filename_cmp (soname, global_needed->name) == 0)
252b5132 881 {
e13629bc
AM
882 global_found = s;
883 return;
252b5132 884 }
252b5132
RH
885}
886
41392f03
AM
887EOF
888
889if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
92b93329 890fragment <<EOF
04925e1e 891
24382dca 892static bfd_size_type
677e5a92 893id_note_section_size (bfd *abfd ATTRIBUTE_UNUSED)
24382dca 894{
30e8ee25 895 const char *style = emit_note_gnu_build_id;
24382dca 896 bfd_size_type size;
61e2488c 897 bfd_size_type build_id_size;
24382dca 898
24382dca
RM
899 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
900 size = (size + 3) & -(bfd_size_type) 4;
901
61e2488c
JT
902 build_id_size = compute_build_id_size (style);
903 if (build_id_size)
904 size += build_id_size;
24382dca
RM
905 else
906 size = 0;
907
908 return size;
909}
910
24382dca 911static bfd_boolean
30e8ee25 912write_build_id (bfd *abfd)
24382dca
RM
913{
914 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
30e8ee25
AM
915 struct elf_obj_tdata *t = elf_tdata (abfd);
916 const char *style;
24382dca
RM
917 asection *asec;
918 Elf_Internal_Shdr *i_shdr;
919 unsigned char *contents, *id_bits;
920 bfd_size_type size;
30e8ee25 921 file_ptr position;
24382dca
RM
922 Elf_External_Note *e_note;
923
c0355132
AM
924 style = t->o->build_id.style;
925 asec = t->o->build_id.sec;
83e4970b 926 if (bfd_is_abs_section (asec->output_section))
24382dca 927 {
83e4970b
AM
928 einfo (_("%P: warning: .note.gnu.build-id section discarded,"
929 " --build-id ignored.\n"));
930 return TRUE;
24382dca
RM
931 }
932 i_shdr = &elf_section_data (asec->output_section)->this_hdr;
933
934 if (i_shdr->contents == NULL)
935 {
b2ff8454 936 if (asec->contents == NULL)
1e9cc1c2 937 asec->contents = (unsigned char *) xmalloc (asec->size);
b2ff8454 938 contents = asec->contents;
24382dca 939 }
b2ff8454
RM
940 else
941 contents = i_shdr->contents + asec->output_offset;
24382dca 942
1e9cc1c2 943 e_note = (Elf_External_Note *) contents;
24382dca
RM
944 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
945 size = (size + 3) & -(bfd_size_type) 4;
946 id_bits = contents + size;
947 size = asec->size - size;
948
949 bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
950 bfd_h_put_32 (abfd, size, &e_note->descsz);
951 bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
952 memcpy (e_note->name, "GNU", sizeof "GNU");
953
61e2488c 954 generate_build_id (abfd, style, bed->s->checksum_contents, id_bits, size);
24382dca 955
30e8ee25 956 position = i_shdr->sh_offset + asec->output_offset;
b2ff8454 957 size = asec->size;
30e8ee25 958 return (bfd_seek (abfd, position, SEEK_SET) == 0
b2ff8454 959 && bfd_bwrite (contents, size, abfd) == size);
24382dca
RM
960}
961
30e8ee25
AM
962/* Make .note.gnu.build-id section, and set up elf_tdata->build_id. */
963
964static bfd_boolean
965setup_build_id (bfd *ibfd)
966{
967 asection *s;
968 bfd_size_type size;
969 flagword flags;
970
971 size = id_note_section_size (ibfd);
972 if (size == 0)
973 {
974 einfo ("%P: warning: unrecognized --build-id style ignored.\n");
975 return FALSE;
976 }
977
978 flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
979 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
980 s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags);
981 if (s != NULL && bfd_set_section_alignment (ibfd, s, 2))
982 {
983 struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
c0355132
AM
984 t->o->build_id.after_write_object_contents = &write_build_id;
985 t->o->build_id.style = emit_note_gnu_build_id;
986 t->o->build_id.sec = s;
987 elf_section_type (s) = SHT_NOTE;
988 s->size = size;
989 return TRUE;
30e8ee25
AM
990 }
991
992 einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
993 " --build-id ignored.\n");
994 return FALSE;
995}
24382dca 996
04925e1e 997/* This is called after all the input files have been opened. */
252b5132
RH
998
999static void
0c7a8e5a 1000gld${EMULATION_NAME}_after_open (void)
252b5132 1001{
04925e1e 1002 struct bfd_link_needed_list *needed, *l;
d10e7fcc
AM
1003 struct elf_link_hash_table *htab;
1004
5c3049d2
AM
1005 after_open_default ();
1006
d10e7fcc
AM
1007 htab = elf_hash_table (&link_info);
1008 if (!is_elf_hash_table (htab))
1009 return;
252b5132 1010
30e8ee25 1011 if (emit_note_gnu_build_id != NULL)
c0065db7
RM
1012 {
1013 bfd *abfd;
c0065db7 1014
a654efd6
L
1015 /* Find an ELF input. */
1016 for (abfd = link_info.input_bfds;
c72f2fb2 1017 abfd != (bfd *) NULL; abfd = abfd->link.next)
ca0694ad
AM
1018 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
1019 && bfd_count_sections (abfd) != 0)
a654efd6 1020 break;
c0065db7 1021
30e8ee25
AM
1022 /* PR 10555: If there are no ELF input files do not try to
1023 create a .note.gnu-build-id section. */
1024 if (abfd == NULL
1025 || !setup_build_id (abfd))
c0065db7 1026 {
30e8ee25
AM
1027 free ((char *) emit_note_gnu_build_id);
1028 emit_note_gnu_build_id = NULL;
c0065db7
RM
1029 }
1030 }
1031
d10e7fcc 1032 if (link_info.relocatable)
76f0cad6
NC
1033 {
1034 if (link_info.execstack == ! link_info.noexecstack)
1035 /* PR ld/16744: If "-z [no]execstack" has been specified on the
1036 command line and we are perfoming a relocatable link then no
1037 PT_GNU_STACK segment will be created and so the
1038 linkinfo.[no]execstack values set in _handle_option() will have no
1039 effect. Instead we create a .note.GNU-stack section in much the
1040 same way as the assembler does with its --[no]execstack option. */
1041 (void) bfd_make_section_with_flags (link_info.input_bfds,
1042 ".note.GNU-stack",
1043 SEC_READONLY | (link_info.execstack ? SEC_CODE : 0));
1044
1045 return;
1046 }
d10e7fcc 1047
eb3d5f3b 1048 if (link_info.eh_frame_hdr
d10e7fcc 1049 && !link_info.traditional_format)
eb3d5f3b 1050 {
a654efd6
L
1051 bfd *abfd, *elfbfd = NULL;
1052 bfd_boolean warn_eh_frame = FALSE;
d10e7fcc 1053 asection *s;
eb3d5f3b 1054
c72f2fb2 1055 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
eb3d5f3b 1056 {
ca0694ad
AM
1057 if (bfd_count_sections (abfd) == 0)
1058 continue;
a654efd6
L
1059 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1060 elfbfd = abfd;
4440bb77
L
1061 if (!warn_eh_frame)
1062 {
1063 s = bfd_get_section_by_name (abfd, ".eh_frame");
9cf8b46e
AM
1064 while (s != NULL
1065 && (s->size <= 8
1066 || bfd_is_abs_section (s->output_section)))
1067 s = bfd_get_next_section_by_name (s);
1068 warn_eh_frame = s != NULL;
4440bb77
L
1069 }
1070 if (elfbfd && warn_eh_frame)
1071 break;
d10e7fcc 1072 }
a654efd6 1073 if (elfbfd)
d10e7fcc
AM
1074 {
1075 const struct elf_backend_data *bed;
1076
a654efd6
L
1077 bed = get_elf_backend_data (elfbfd);
1078 s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr",
1079 bed->dynamic_sec_flags
1080 | SEC_READONLY);
d10e7fcc 1081 if (s != NULL
a654efd6
L
1082 && bfd_set_section_alignment (elfbfd, s, 2))
1083 {
1084 htab->eh_info.hdr_sec = s;
1085 warn_eh_frame = FALSE;
1086 }
eb3d5f3b 1087 }
a654efd6
L
1088 if (warn_eh_frame)
1089 einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
1090 " --eh-frame-hdr ignored.\n");
eb3d5f3b
JB
1091 }
1092
04925e1e
AM
1093 /* Get the list of files which appear in DT_NEEDED entries in
1094 dynamic objects included in the link (often there will be none).
1095 For each such file, we want to track down the corresponding
1096 library, and include the symbol table in the link. This is what
1097 the runtime dynamic linker will do. Tracking the files down here
1098 permits one dynamic object to include another without requiring
1099 special action by the person doing the link. Note that the
1100 needed list can actually grow while we are stepping through this
1101 loop. */
f13a99db 1102 needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info);
04925e1e 1103 for (l = needed; l != NULL; l = l->next)
252b5132 1104 {
04925e1e 1105 struct bfd_link_needed_list *ll;
e56f61be 1106 struct dt_needed n, nn;
04925e1e 1107 int force;
252b5132 1108
7e9f0867 1109 /* If the lib that needs this one was --as-needed and wasn't
4706eab9 1110 found to be needed, then this lib isn't needed either. */
7e9f0867 1111 if (l->by != NULL
4706eab9
AM
1112 && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
1113 continue;
1114
1115 /* Skip the lib if --no-copy-dt-needed-entries and
1116 --allow-shlib-undefined is in effect. */
1117 if (l->by != NULL
1118 && link_info.unresolved_syms_in_shared_libs == RM_IGNORE
1119 && (bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0)
7e9f0867
AM
1120 continue;
1121
04925e1e
AM
1122 /* If we've already seen this file, skip it. */
1123 for (ll = needed; ll != l; ll = ll->next)
7e9f0867
AM
1124 if ((ll->by == NULL
1125 || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
1126 && strcmp (ll->name, l->name) == 0)
04925e1e
AM
1127 break;
1128 if (ll != l)
1129 continue;
252b5132 1130
04925e1e
AM
1131 /* See if this file was included in the link explicitly. */
1132 global_needed = l;
e13629bc 1133 global_found = NULL;
04925e1e 1134 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
e13629bc
AM
1135 if (global_found != NULL
1136 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
1137 & DYN_AS_NEEDED) == 0)
04925e1e 1138 continue;
252b5132 1139
e56f61be
L
1140 n.by = l->by;
1141 n.name = l->name;
1142 nn.by = l->by;
cd6f1cf3 1143 if (verbose)
ec4eb78a
L
1144 info_msg (_("%s needed by %B\n"), l->name, l->by);
1145
e13629bc
AM
1146 /* As-needed libs specified on the command line (or linker script)
1147 take priority over libs found in search dirs. */
1148 if (global_found != NULL)
1149 {
1150 nn.name = global_found->filename;
1151 if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
1152 continue;
1153 }
1154
04925e1e
AM
1155 /* We need to find this file and include the symbol table. We
1156 want to search for the file in the same way that the dynamic
1157 linker will search. That means that we want to use
1158 rpath_link, rpath, then the environment variable
ec4eb78a
L
1159 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
1160 entries (native only), then the linker script LIB_SEARCH_DIRS.
1161 We do not search using the -L arguments.
252b5132 1162
04925e1e
AM
1163 We search twice. The first time, we skip objects which may
1164 introduce version mismatches. The second time, we force
1165 their use. See gld${EMULATION_NAME}_vercheck comment. */
1166 for (force = 0; force < 2; force++)
1167 {
04925e1e
AM
1168 size_t len;
1169 search_dirs_type *search;
6dd8c765 1170EOF
ff925e69 1171if [ "x${NATIVE}" = xyes ] ; then
92b93329 1172fragment <<EOF
dcb0bd0e 1173 const char *lib_path;
ff925e69
KK
1174EOF
1175fi
1176if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1177fragment <<EOF
6dd8c765
L
1178 struct bfd_link_needed_list *rp;
1179 int found;
1180EOF
6dd8c765 1181fi
92b93329 1182fragment <<EOF
252b5132 1183
04925e1e 1184 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
e56f61be 1185 &n, force))
04925e1e 1186 break;
dcb0bd0e 1187EOF
9c8ebd6a 1188if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1189fragment <<EOF
04925e1e 1190 if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
e56f61be 1191 &n, force))
04925e1e 1192 break;
9c8ebd6a
DJ
1193EOF
1194fi
1195if [ "x${NATIVE}" = xyes ] ; then
92b93329 1196fragment <<EOF
04925e1e
AM
1197 if (command_line.rpath_link == NULL
1198 && command_line.rpath == NULL)
1199 {
1200 lib_path = (const char *) getenv ("LD_RUN_PATH");
e56f61be 1201 if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
04925e1e
AM
1202 force))
1203 break;
1204 }
04925e1e 1205 lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
e56f61be 1206 if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force))
04925e1e 1207 break;
9c8ebd6a
DJ
1208EOF
1209fi
1210if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1211fragment <<EOF
ec4eb78a 1212 found = 0;
f13a99db 1213 rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
6dd8c765 1214 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a 1215 {
9c8ebd6a 1216 char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
ec4eb78a 1217 found = (rp->by == l->by
9c8ebd6a 1218 && gld${EMULATION_NAME}_search_needed (tmpname,
e56f61be 1219 &n,
ec4eb78a 1220 force));
9c8ebd6a 1221 free (tmpname);
ec4eb78a
L
1222 }
1223 if (found)
1224 break;
1225
04925e1e 1226EOF
04925e1e 1227fi
c1446dba
L
1228if [ "x${USE_LIBPATH}" = xyes ] ; then
1229 case ${target} in
ebe1fac1 1230 *-*-freebsd* | *-*-dragonfly*)
92b93329 1231 fragment <<EOF
d5c8b1f8 1232 if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force))
ebe1fac1
NC
1233 break;
1234EOF
1235 # FreeBSD
1236 ;;
1237
a5244b7e 1238 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 1239 fragment <<EOF
d5c8b1f8 1240 if (gld${EMULATION_NAME}_check_ld_so_conf (l, force))
c1446dba
L
1241 break;
1242
1243EOF
eeaa4577 1244 # Linux
c1446dba
L
1245 ;;
1246 esac
1247fi
92b93329 1248fragment <<EOF
04925e1e
AM
1249 len = strlen (l->name);
1250 for (search = search_head; search != NULL; search = search->next)
1251 {
1252 char *filename;
252b5132 1253
04925e1e
AM
1254 if (search->cmdline)
1255 continue;
1256 filename = (char *) xmalloc (strlen (search->name) + len + 2);
1257 sprintf (filename, "%s/%s", search->name, l->name);
e56f61be
L
1258 nn.name = filename;
1259 if (gld${EMULATION_NAME}_try_needed (&nn, force))
04925e1e
AM
1260 break;
1261 free (filename);
1262 }
1263 if (search != NULL)
1264 break;
1265EOF
92b93329 1266fragment <<EOF
04925e1e 1267 }
252b5132 1268
04925e1e
AM
1269 if (force < 2)
1270 continue;
252b5132 1271
e374f1d9 1272 einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
04925e1e
AM
1273 l->name, l->by);
1274 }
1275}
252b5132 1276
41392f03
AM
1277EOF
1278fi
1279
92b93329 1280fragment <<EOF
252b5132 1281
04925e1e 1282/* Look through an expression for an assignment statement. */
252b5132 1283
04925e1e 1284static void
0c7a8e5a 1285gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
04925e1e 1286{
4ea42fb7 1287 bfd_boolean provide = FALSE;
04925e1e
AM
1288
1289 switch (exp->type.node_class)
252b5132 1290 {
04925e1e 1291 case etree_provide:
bded3693 1292 case etree_provided:
4ea42fb7
AM
1293 provide = TRUE;
1294 /* Fall thru */
1295 case etree_assign:
04925e1e
AM
1296 /* We call record_link_assignment even if the symbol is defined.
1297 This is because if it is defined by a dynamic object, we
1298 actually want to use the value defined by the linker script,
1299 not the value from the dynamic object (because we are setting
1300 symbols like etext). If the symbol is defined by a regular
1301 object, then, as it happens, calling record_link_assignment
1302 will do no harm. */
04925e1e 1303 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 1304 {
f13a99db
AM
1305 if (!bfd_elf_record_link_assignment (link_info.output_bfd,
1306 &link_info,
fe21a8fc
L
1307 exp->assign.dst, provide,
1308 exp->assign.hidden))
04925e1e
AM
1309 einfo ("%P%F: failed to record assignment to %s: %E\n",
1310 exp->assign.dst);
252b5132 1311 }
04925e1e
AM
1312 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1313 break;
252b5132 1314
04925e1e
AM
1315 case etree_binary:
1316 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1317 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1318 break;
252b5132 1319
04925e1e
AM
1320 case etree_trinary:
1321 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1322 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1323 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1324 break;
252b5132 1325
04925e1e
AM
1326 case etree_unary:
1327 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1328 break;
252b5132 1329
04925e1e
AM
1330 default:
1331 break;
252b5132
RH
1332 }
1333}
1334
04925e1e
AM
1335
1336/* This is called by the before_allocation routine via
1337 lang_for_each_statement. It locates any assignment statements, and
1338 tells the ELF backend about them, in case they are assignments to
1339 symbols which are referred to by dynamic objects. */
1340
1341static void
0c7a8e5a 1342gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
04925e1e
AM
1343{
1344 if (s->header.type == lang_assignment_statement_enum)
1345 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1346}
1347
41392f03
AM
1348EOF
1349
1350if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
57e6abd2
AO
1351 if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
1352 ELF_INTERPRETER_SET_DEFAULT="
1353 if (sinterp != NULL)
1354 {
5718918d
AM
1355 sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
1356 sinterp->size = strlen ((char *) sinterp->contents) + 1;
57e6abd2
AO
1357 }
1358
1359"
1360 else
1361 ELF_INTERPRETER_SET_DEFAULT=
1362 fi
92b93329 1363fragment <<EOF
04925e1e 1364
7ee314fa 1365/* used by before_allocation and handle_option. */
4724d37e 1366static void
91d6fa6a 1367gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg)
7ee314fa
AM
1368{
1369 if (*to == NULL)
91d6fa6a 1370 *to = xstrdup (op_arg);
7ee314fa
AM
1371 else
1372 {
1373 size_t to_len = strlen (*to);
91d6fa6a 1374 size_t op_arg_len = strlen (op_arg);
7ee314fa
AM
1375 char *buf;
1376 char *cp = *to;
1377
1378 /* First see whether OPTARG is already in the path. */
1379 do
1380 {
91d6fa6a
NC
1381 if (strncmp (op_arg, cp, op_arg_len) == 0
1382 && (cp[op_arg_len] == 0
1383 || cp[op_arg_len] == config.rpath_separator))
7ee314fa
AM
1384 /* We found it. */
1385 break;
1386
1387 /* Not yet found. */
1388 cp = strchr (cp, config.rpath_separator);
1389 if (cp != NULL)
1390 ++cp;
1391 }
1392 while (cp != NULL);
1393
1394 if (cp == NULL)
1395 {
91d6fa6a 1396 buf = xmalloc (to_len + op_arg_len + 2);
7ee314fa 1397 sprintf (buf, "%s%c%s", *to,
91d6fa6a 1398 config.rpath_separator, op_arg);
7ee314fa
AM
1399 free (*to);
1400 *to = buf;
1401 }
1402 }
1403}
1404
252b5132
RH
1405/* This is called after the sections have been attached to output
1406 sections, but before any sizes or addresses have been set. */
1407
1408static void
0c7a8e5a 1409gld${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1410{
1411 const char *rpath;
1412 asection *sinterp;
7ee314fa 1413 bfd *abfd;
4199e3b8 1414 struct elf_link_hash_entry *ehdr_start = NULL;
f9c316c4 1415 struct bfd_link_hash_entry ehdr_start_save = ehdr_start_save;
252b5132 1416
b4d040b1 1417 if (is_elf_hash_table (link_info.hash))
a5382c42
MR
1418 {
1419 _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
e1918d23 1420
cde7cb01
MR
1421 /* Make __ehdr_start hidden if it has been referenced, to
1422 prevent the symbol from being dynamic. */
c2763e27
RM
1423 if (!link_info.relocatable)
1424 {
1425 struct elf_link_hash_entry *h
1426 = elf_link_hash_lookup (elf_hash_table (&link_info), "__ehdr_start",
1427 FALSE, FALSE, TRUE);
1428
1429 /* Only adjust the export class if the symbol was referenced
1430 and not defined, otherwise leave it alone. */
1431 if (h != NULL
1432 && (h->root.type == bfd_link_hash_new
1433 || h->root.type == bfd_link_hash_undefined
1434 || h->root.type == bfd_link_hash_undefweak
1435 || h->root.type == bfd_link_hash_common))
1436 {
1437 _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE);
1438 if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL)
1439 h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
4199e3b8
AM
1440 /* Don't leave the symbol undefined. Undefined hidden
1441 symbols typically won't have dynamic relocations, but
1442 we most likely will need dynamic relocations for
1443 __ehdr_start if we are building a PIE or shared
1444 library. */
1445 ehdr_start = h;
1446 ehdr_start_save = h->root;
1447 h->root.type = bfd_link_hash_defined;
1448 h->root.u.def.section = bfd_abs_section_ptr;
1449 h->root.u.def.value = 0;
c2763e27
RM
1450 }
1451 }
cde7cb01 1452
a5382c42
MR
1453 /* If we are going to make any variable assignments, we need to
1454 let the ELF backend know about them in case the variables are
1455 referred to by dynamic objects. */
1456 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
1457 }
252b5132
RH
1458
1459 /* Let the ELF backend work out the sizes of any sections required
1460 by dynamic linking. */
1461 rpath = command_line.rpath;
1462 if (rpath == NULL)
1463 rpath = (const char *) getenv ("LD_RUN_PATH");
7ee314fa 1464
c72f2fb2 1465 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
8dd881b6
L
1466 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1467 {
1468 const char *audit_libs = elf_dt_audit (abfd);
7ee314fa 1469
4724d37e 1470 /* If the input bfd contains an audit entry, we need to add it as
8dd881b6
L
1471 a dep audit entry. */
1472 if (audit_libs && *audit_libs != '\0')
1473 {
1474 char *cp = xstrdup (audit_libs);
1475 do
1476 {
1477 int more = 0;
1478 char *cp2 = strchr (cp, config.rpath_separator);
7ee314fa 1479
8dd881b6
L
1480 if (cp2)
1481 {
1482 *cp2 = '\0';
1483 more = 1;
1484 }
7ee314fa 1485
8dd881b6
L
1486 if (cp != NULL && *cp != '\0')
1487 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp);
1488
1489 cp = more ? ++cp2 : NULL;
1490 }
1491 while (cp != NULL);
1492 }
1493 }
7ee314fa 1494
5a580b3a 1495 if (! (bfd_elf_size_dynamic_sections
f13a99db 1496 (link_info.output_bfd, command_line.soname, rpath,
7ee314fa 1497 command_line.filter_shlib, audit, depaudit,
252b5132 1498 (const char * const *) command_line.auxiliary_filters,
fd91d419 1499 &link_info, &sinterp)))
252b5132 1500 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
8423293d 1501
57e6abd2 1502${ELF_INTERPRETER_SET_DEFAULT}
252b5132
RH
1503 /* Let the user override the dynamic linker we are using. */
1504 if (command_line.interpreter != NULL
1505 && sinterp != NULL)
1506 {
1507 sinterp->contents = (bfd_byte *) command_line.interpreter;
eea6121a 1508 sinterp->size = strlen (command_line.interpreter) + 1;
252b5132
RH
1509 }
1510
1511 /* Look for any sections named .gnu.warning. As a GNU extensions,
1512 we treat such sections as containing warning messages. We print
1513 out the warning message, and then zero out the section size so
1514 that it does not get copied into the output file. */
1515
1516 {
1517 LANG_FOR_EACH_INPUT_STATEMENT (is)
1518 {
1519 asection *s;
1520 bfd_size_type sz;
1521 char *msg;
b34976b6 1522 bfd_boolean ret;
252b5132 1523
66be1055 1524 if (is->flags.just_syms)
252b5132
RH
1525 continue;
1526
1527 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
1528 if (s == NULL)
1529 continue;
1530
eea6121a 1531 sz = s->size;
1e9cc1c2 1532 msg = (char *) xmalloc ((size_t) (sz + 1));
bc251d50 1533 if (! bfd_get_section_contents (is->the_bfd, s, msg,
8c675694 1534 (file_ptr) 0, sz))
252b5132
RH
1535 einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
1536 is->the_bfd);
bc251d50 1537 msg[sz] = '\0';
252b5132
RH
1538 ret = link_info.callbacks->warning (&link_info, msg,
1539 (const char *) NULL,
1540 is->the_bfd, (asection *) NULL,
1541 (bfd_vma) 0);
1542 ASSERT (ret);
1543 free (msg);
1544
9e3be61d
AM
1545 /* Clobber the section size, so that we don't waste space
1546 copying the warning into the output file. If we've already
1547 sized the output section, adjust its size. The adjustment
1548 is on rawsize because targets that size sections early will
1549 have called lang_reset_memory_regions after sizing. */
1550 if (s->output_section != NULL
1551 && s->output_section->rawsize >= s->size)
1552 s->output_section->rawsize -= s->size;
1553
eea6121a 1554 s->size = 0;
11d2f718 1555
9e3be61d
AM
1556 /* Also set SEC_EXCLUDE, so that local symbols defined in the
1557 warning section don't get copied to the output. */
a14a5de3 1558 s->flags |= SEC_EXCLUDE | SEC_KEEP;
252b5132
RH
1559 }
1560 }
8423293d 1561
1e035701 1562 before_allocation_default ();
8423293d 1563
f13a99db 1564 if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
8423293d 1565 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
4199e3b8
AM
1566
1567 if (ehdr_start != NULL)
1568 {
1569 /* If we twiddled __ehdr_start to defined earlier, put it back
1570 as it was. */
1571 ehdr_start->root.type = ehdr_start_save.type;
1572 ehdr_start->root.u = ehdr_start_save.u;
1573 }
252b5132
RH
1574}
1575
41392f03
AM
1576EOF
1577fi
1578
1579if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
92b93329 1580fragment <<EOF
252b5132 1581
04925e1e
AM
1582/* Try to open a dynamic archive. This is where we know that ELF
1583 dynamic libraries have an extension of .so (or .sl on oddball systems
1584 like hpux). */
1585
b34976b6 1586static bfd_boolean
0c7a8e5a
AM
1587gld${EMULATION_NAME}_open_dynamic_archive
1588 (const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
252b5132 1589{
04925e1e
AM
1590 const char *filename;
1591 char *string;
d4ae5fb0
AM
1592 size_t len;
1593 bfd_boolean opened = FALSE;
252b5132 1594
66be1055 1595 if (! entry->flags.maybe_archive)
b34976b6 1596 return FALSE;
252b5132 1597
04925e1e 1598 filename = entry->filename;
d4ae5fb0
AM
1599 len = strlen (search->name) + strlen (filename);
1600 if (entry->flags.full_name_provided)
1601 {
1602 len += sizeof "/";
1603 string = (char *) xmalloc (len);
1604 sprintf (string, "%s/%s", search->name, filename);
1605 }
1606 else
1607 {
1608 size_t xlen = 0;
252b5132 1609
d4ae5fb0 1610 len += strlen (arch) + sizeof "/lib.so";
04925e1e 1611#ifdef EXTRA_SHLIB_EXTENSION
d4ae5fb0
AM
1612 xlen = (strlen (EXTRA_SHLIB_EXTENSION) > 3
1613 ? strlen (EXTRA_SHLIB_EXTENSION) - 3
1614 : 0);
04925e1e 1615#endif
d4ae5fb0
AM
1616 string = (char *) xmalloc (len + xlen);
1617 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
04925e1e 1618#ifdef EXTRA_SHLIB_EXTENSION
d4ae5fb0
AM
1619 /* Try the .so extension first. If that fails build a new filename
1620 using EXTRA_SHLIB_EXTENSION. */
1621 opened = ldfile_try_open_bfd (string, entry);
1622 if (!opened)
1623 strcpy (string + len - 4, EXTRA_SHLIB_EXTENSION);
04925e1e 1624#endif
d4ae5fb0 1625 }
04925e1e 1626
d4ae5fb0 1627 if (!opened && !ldfile_try_open_bfd (string, entry))
252b5132 1628 {
04925e1e 1629 free (string);
b34976b6 1630 return FALSE;
04925e1e 1631 }
252b5132 1632
04925e1e 1633 entry->filename = string;
252b5132 1634
04925e1e
AM
1635 /* We have found a dynamic object to include in the link. The ELF
1636 backend linker will create a DT_NEEDED entry in the .dynamic
1637 section naming this file. If this file includes a DT_SONAME
1638 entry, it will be used. Otherwise, the ELF linker will just use
1639 the name of the file. For an archive found by searching, like
1640 this one, the DT_NEEDED entry should consist of just the name of
1641 the file, without the path information used to find it. Note
1642 that we only need to do this if we have a dynamic object; an
1643 archive will never be referenced by a DT_NEEDED entry.
252b5132 1644
04925e1e
AM
1645 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
1646 very pretty. I haven't been able to think of anything that is
1647 pretty, though. */
1648 if (bfd_check_format (entry->the_bfd, bfd_object)
1649 && (entry->the_bfd->flags & DYNAMIC) != 0)
1650 {
66be1055 1651 ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs);
252b5132 1652
04925e1e 1653 /* Rather than duplicating the logic above. Just use the
1c9acd94 1654 filename we recorded earlier. */
04925e1e 1655
d4ae5fb0
AM
1656 if (!entry->flags.full_name_provided)
1657 filename = lbasename (entry->filename);
1c9acd94 1658 bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
04925e1e
AM
1659 }
1660
b34976b6 1661 return TRUE;
04925e1e
AM
1662}
1663
41392f03
AM
1664EOF
1665fi
cde43e70
AM
1666
1667if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
92b93329 1668fragment <<EOF
41392f03 1669
afd7a018 1670/* A variant of lang_output_section_find used by place_orphan. */
04925e1e 1671
04925e1e 1672static lang_output_section_statement_type *
2a36a117 1673output_rel_find (asection *sec, int isdyn)
04925e1e 1674{
04925e1e 1675 lang_output_section_statement_type *lookup;
ba493122 1676 lang_output_section_statement_type *last = NULL;
2a36a117 1677 lang_output_section_statement_type *last_alloc = NULL;
48f2ff54 1678 lang_output_section_statement_type *last_ro_alloc = NULL;
ba493122
AM
1679 lang_output_section_statement_type *last_rel = NULL;
1680 lang_output_section_statement_type *last_rel_alloc = NULL;
24cdb50a 1681 int rela = sec->name[4] == 'a';
04925e1e 1682
afd7a018
AM
1683 for (lookup = &lang_output_section_statement.head->output_section_statement;
1684 lookup != NULL;
1685 lookup = lookup->next)
04925e1e 1686 {
66c103b7 1687 if (lookup->constraint >= 0
0112cd26 1688 && CONST_STRNEQ (lookup->name, ".rel"))
04925e1e 1689 {
24cdb50a 1690 int lookrela = lookup->name[4] == 'a';
ba493122 1691
2a36a117
AM
1692 /* .rel.dyn must come before all other reloc sections, to suit
1693 GNU ld.so. */
1694 if (isdyn)
1695 break;
1696
1697 /* Don't place after .rel.plt as doing so results in wrong
1698 dynamic tags. */
1699 if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
ba493122 1700 break;
2a36a117
AM
1701
1702 if (rela == lookrela || last_rel == NULL)
24cdb50a 1703 last_rel = lookup;
2a36a117
AM
1704 if ((rela == lookrela || last_rel_alloc == NULL)
1705 && lookup->bfd_section != NULL
ba493122
AM
1706 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1707 last_rel_alloc = lookup;
04925e1e 1708 }
2a36a117
AM
1709
1710 last = lookup;
1711 if (lookup->bfd_section != NULL
1712 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
48f2ff54
AM
1713 {
1714 last_alloc = lookup;
1715 if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
1716 last_ro_alloc = lookup;
1717 }
252b5132 1718 }
ba493122
AM
1719
1720 if (last_rel_alloc)
1721 return last_rel_alloc;
1722
1723 if (last_rel)
1724 return last_rel;
1725
48f2ff54
AM
1726 if (last_ro_alloc)
1727 return last_ro_alloc;
1728
2a36a117
AM
1729 if (last_alloc)
1730 return last_alloc;
1731
ba493122 1732 return last;
252b5132
RH
1733}
1734
1735/* Place an orphan section. We use this to put random SHF_ALLOC
1736 sections in the right segment. */
1737
c2edb4b8 1738static lang_output_section_statement_type *
8a99a385
AM
1739gld${EMULATION_NAME}_place_orphan (asection *s,
1740 const char *secname,
1741 int constraint)
252b5132 1742{
afd7a018
AM
1743 static struct orphan_save hold[] =
1744 {
1745 { ".text",
1746 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1747 0, 0, 0, 0 },
1748 { ".rodata",
1749 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1750 0, 0, 0, 0 },
d85e71fe
L
1751 { ".tdata",
1752 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_THREAD_LOCAL,
1753 0, 0, 0, 0 },
afd7a018
AM
1754 { ".data",
1755 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1756 0, 0, 0, 0 },
1757 { ".bss",
1758 SEC_ALLOC,
1759 0, 0, 0, 0 },
1760 { 0,
1761 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1762 0, 0, 0, 0 },
1763 { ".interp",
1764 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1765 0, 0, 0, 0 },
1766 { ".sdata",
1767 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
07890c07 1768 0, 0, 0, 0 },
175b7cd4 1769 { ".comment",
07890c07
AM
1770 SEC_HAS_CONTENTS,
1771 0, 0, 0, 0 },
afd7a018
AM
1772 };
1773 enum orphan_save_index
1774 {
1775 orphan_text = 0,
1776 orphan_rodata,
d85e71fe 1777 orphan_tdata,
afd7a018
AM
1778 orphan_data,
1779 orphan_bss,
1780 orphan_rel,
1781 orphan_interp,
07890c07
AM
1782 orphan_sdata,
1783 orphan_nonalloc
afd7a018
AM
1784 };
1785 static int orphan_init_done = 0;
6a345e87 1786 struct orphan_save *place;
afd7a018 1787 lang_output_section_statement_type *after;
252b5132 1788 lang_output_section_statement_type *os;
b5f14a6d 1789 lang_output_section_statement_type *match_by_name = NULL;
24cdb50a 1790 int isdyn = 0;
ecca9871
L
1791 int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
1792 unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
252b5132 1793
1049f94e 1794 if (! link_info.relocatable
24cdb50a 1795 && link_info.combreloc
ecca9871 1796 && (s->flags & SEC_ALLOC))
24cdb50a 1797 {
ecca9871
L
1798 if (iself)
1799 switch (sh_type)
1800 {
1801 case SHT_RELA:
1802 secname = ".rela.dyn";
1803 isdyn = 1;
1804 break;
1805 case SHT_REL:
1806 secname = ".rel.dyn";
1807 isdyn = 1;
1808 break;
1809 default:
1810 break;
1811 }
0112cd26 1812 else if (CONST_STRNEQ (secname, ".rel"))
ecca9871
L
1813 {
1814 secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
1815 isdyn = 1;
1816 }
24cdb50a 1817 }
aea4bd9d 1818
bcacc0f5 1819 /* Look through the script to see where to place this section. */
d127ecce
AM
1820 if (constraint == 0)
1821 for (os = lang_output_section_find (secname);
1822 os != NULL;
1823 os = next_matching_output_section_statement (os, 0))
1824 {
1825 /* If we don't match an existing output section, tell
1826 lang_insert_orphan to create a new output section. */
1827 constraint = SPECIAL;
1828
1829 if (os->bfd_section != NULL
1830 && (os->bfd_section->flags == 0
1831 || (_bfd_elf_match_sections_by_type (link_info.output_bfd,
1832 os->bfd_section,
1833 s->owner, s)
1834 && ((s->flags ^ os->bfd_section->flags)
1835 & (SEC_LOAD | SEC_ALLOC)) == 0)))
1836 {
1837 /* We already have an output section statement with this
1838 name, and its bfd section has compatible flags.
1839 If the section already exists but does not have any flags
1840 set, then it has been created by the linker, probably as a
1841 result of a --section-start command line switch. */
b9c361e0 1842 lang_add_section (&os->children, s, NULL, os);
d127ecce
AM
1843 return os;
1844 }
b5f14a6d
DD
1845
1846 /* Save unused output sections in case we can match them
1847 against orphans later. */
1848 if (os->bfd_section == NULL)
1849 match_by_name = os;
d127ecce 1850 }
252b5132 1851
b5f14a6d
DD
1852 /* If we didn't match an active output section, see if we matched an
1853 unused one and use that. */
1854 if (match_by_name)
1855 {
b9c361e0 1856 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
1857 return match_by_name;
1858 }
1859
afd7a018
AM
1860 if (!orphan_init_done)
1861 {
1862 struct orphan_save *ho;
07890c07 1863
afd7a018
AM
1864 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1865 if (ho->name != NULL)
1866 {
1867 ho->os = lang_output_section_find (ho->name);
1868 if (ho->os != NULL && ho->os->flags == 0)
1869 ho->os->flags = ho->flags;
1870 }
1871 orphan_init_done = 1;
1872 }
252b5132
RH
1873
1874 /* If this is a final link, then always put .gnu.warning.SYMBOL
1875 sections into the .text section to get them out of the way. */
36af4a4e 1876 if (link_info.executable
1049f94e 1877 && ! link_info.relocatable
bcacc0f5 1878 && CONST_STRNEQ (s->name, ".gnu.warning.")
afd7a018 1879 && hold[orphan_text].os != NULL)
252b5132 1880 {
c2edb4b8 1881 os = hold[orphan_text].os;
b9c361e0 1882 lang_add_section (&os->children, s, NULL, os);
c2edb4b8 1883 return os;
252b5132
RH
1884 }
1885
1886 /* Decide which segment the section should go in based on the
1887 section name and section flags. We put loadable .note sections
1888 right after the .interp section, so that the PT_NOTE segment is
1889 stored right after the program headers where the OS can read it
1890 in the first page. */
aea4bd9d 1891
71bfc0ae 1892 place = NULL;
07890c07
AM
1893 if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0)
1894 place = &hold[orphan_nonalloc];
1895 else if ((s->flags & SEC_ALLOC) == 0)
71bfc0ae 1896 ;
252b5132 1897 else if ((s->flags & SEC_LOAD) != 0
ecca9871 1898 && ((iself && sh_type == SHT_NOTE)
0112cd26 1899 || (!iself && CONST_STRNEQ (secname, ".note"))))
afd7a018 1900 place = &hold[orphan_interp];
04c932a2 1901 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0)
afd7a018
AM
1902 place = &hold[orphan_bss];
1903 else if ((s->flags & SEC_SMALL_DATA) != 0)
1904 place = &hold[orphan_sdata];
d85e71fe
L
1905 else if ((s->flags & SEC_THREAD_LOCAL) != 0)
1906 place = &hold[orphan_tdata];
afd7a018
AM
1907 else if ((s->flags & SEC_READONLY) == 0)
1908 place = &hold[orphan_data];
ecca9871 1909 else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
0112cd26 1910 || (!iself && CONST_STRNEQ (secname, ".rel")))
afd7a018
AM
1911 && (s->flags & SEC_LOAD) != 0)
1912 place = &hold[orphan_rel];
1913 else if ((s->flags & SEC_CODE) == 0)
1914 place = &hold[orphan_rodata];
1915 else
1916 place = &hold[orphan_text];
71bfc0ae 1917
afd7a018 1918 after = NULL;
5ba47421 1919 if (place != NULL)
252b5132 1920 {
afd7a018 1921 if (place->os == NULL)
5ba47421 1922 {
afd7a018
AM
1923 if (place->name != NULL)
1924 place->os = lang_output_section_find (place->name);
1925 else
1926 place->os = output_rel_find (s, isdyn);
5ba47421 1927 }
afd7a018
AM
1928 after = place->os;
1929 if (after == NULL)
390fbbf1
AM
1930 after = lang_output_section_find_by_flags
1931 (s, &place->os, _bfd_elf_match_sections_by_type);
afd7a018
AM
1932 if (after == NULL)
1933 /* *ABS* is always the first output section statement. */
1934 after = &lang_output_section_statement.head->output_section_statement;
252b5132
RH
1935 }
1936
c2edb4b8 1937 return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL);
252b5132 1938}
c56feb2b
AM
1939EOF
1940fi
1941
eaeb0a9d 1942if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
92b93329 1943fragment <<EOF
252b5132 1944
deb04cdb 1945static void
eaeb0a9d 1946gld${EMULATION_NAME}_after_allocation (void)
deb04cdb 1947{
75938853
AM
1948 int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
1949
1950 if (need_layout < 0)
1951 einfo ("%X%P: .eh_frame/.stab edit: %E\n");
1952 else
1953 gld${EMULATION_NAME}_map_segments (need_layout);
73d074b4 1954}
41392f03
AM
1955EOF
1956fi
1957
1958if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
92b93329 1959fragment <<EOF
252b5132
RH
1960
1961static char *
0c7a8e5a 1962gld${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
1963EOF
1964
7225345d 1965if test x"$COMPILE_IN" = xyes
252b5132
RH
1966then
1967# Scripts compiled in.
1968
1969# sed commands to quote an ld script as a C string.
597e2591 1970sc="-f stringify.sed"
252b5132 1971
92b93329 1972fragment <<EOF
60bcf0fa 1973{
252b5132
RH
1974 *isfile = 0;
1975
1049f94e 1976 if (link_info.relocatable && config.build_constructors)
597e2591 1977 return
252b5132 1978EOF
afd7a018
AM
1979sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1980echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1981sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1982echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1983sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
61585df2 1984if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
afd7a018
AM
1985echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1986sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
db6751f2 1987fi
36af4a4e
JJ
1988if test -n "$GENERATE_PIE_SCRIPT" ; then
1989if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
1990echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
1991echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 1992echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 1993sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
36af4a4e 1994echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 1995sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
36af4a4e 1996fi
afd7a018
AM
1997echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
1998sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
36af4a4e 1999fi
252b5132 2000if test -n "$GENERATE_SHLIB_SCRIPT" ; then
82434356 2001if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2002echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
2003echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2004echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2005sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
db6751f2 2006echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2007sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
82434356 2008fi
afd7a018
AM
2009echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
2010sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132 2011fi
82434356 2012if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b 2013echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2014echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018
AM
2015sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
2016echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
2017sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
82434356 2018fi
afd7a018
AM
2019echo ' ; else return' >> e${EMULATION_NAME}.c
2020sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2021echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
2022
2023else
2024# Scripts read from the filesystem.
2025
92b93329 2026fragment <<EOF
60bcf0fa 2027{
252b5132
RH
2028 *isfile = 1;
2029
1049f94e 2030 if (link_info.relocatable && config.build_constructors)
252b5132 2031 return "ldscripts/${EMULATION_NAME}.xu";
1049f94e 2032 else if (link_info.relocatable)
252b5132
RH
2033 return "ldscripts/${EMULATION_NAME}.xr";
2034 else if (!config.text_read_only)
2035 return "ldscripts/${EMULATION_NAME}.xbn";
a060b769
AM
2036EOF
2037if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
2038else
92b93329 2039fragment <<EOF
252b5132
RH
2040 else if (!config.magic_demand_paged)
2041 return "ldscripts/${EMULATION_NAME}.xn";
a060b769
AM
2042EOF
2043fi
36af4a4e
JJ
2044if test -n "$GENERATE_PIE_SCRIPT" ; then
2045if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2046fragment <<EOF
8c37241b 2047 else if (link_info.pie && link_info.combreloc
fbfca19e 2048 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2049 return "ldscripts/${EMULATION_NAME}.xdw";
36af4a4e
JJ
2050 else if (link_info.pie && link_info.combreloc)
2051 return "ldscripts/${EMULATION_NAME}.xdc";
2052EOF
2053fi
92b93329 2054fragment <<EOF
36af4a4e
JJ
2055 else if (link_info.pie)
2056 return "ldscripts/${EMULATION_NAME}.xd";
2057EOF
2058fi
a060b769
AM
2059if test -n "$GENERATE_SHLIB_SCRIPT" ; then
2060if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2061fragment <<EOF
8c37241b 2062 else if (link_info.shared && link_info.combreloc
fbfca19e 2063 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2064 return "ldscripts/${EMULATION_NAME}.xsw";
a060b769
AM
2065 else if (link_info.shared && link_info.combreloc)
2066 return "ldscripts/${EMULATION_NAME}.xsc";
2067EOF
2068fi
92b93329 2069fragment <<EOF
252b5132
RH
2070 else if (link_info.shared)
2071 return "ldscripts/${EMULATION_NAME}.xs";
a060b769
AM
2072EOF
2073fi
2074if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2075fragment <<EOF
8c37241b 2076 else if (link_info.combreloc && link_info.relro
fbfca19e 2077 && (link_info.flags & DF_BIND_NOW))
8c37241b 2078 return "ldscripts/${EMULATION_NAME}.xw";
a060b769
AM
2079 else if (link_info.combreloc)
2080 return "ldscripts/${EMULATION_NAME}.xc";
2081EOF
2082fi
92b93329 2083fragment <<EOF
252b5132
RH
2084 else
2085 return "ldscripts/${EMULATION_NAME}.x";
2086}
252b5132 2087
3b108066 2088EOF
41392f03
AM
2089fi
2090fi
3b108066 2091
e0ee487b 2092if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
92b93329 2093fragment <<EOF
e0ee487b
L
2094 $PARSE_AND_LIST_PROLOGUE
2095EOF
2096fi
2097
92b93329 2098fragment <<EOF
e0ee487b 2099
6c1439be
L
2100#define OPTION_DISABLE_NEW_DTAGS (400)
2101#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
a1ab1d2a 2102#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
65765700 2103#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
b58f81ae 2104#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
fdc90cb4 2105#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
c0065db7 2106#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
7ee314fa 2107#define OPTION_AUDIT (OPTION_BUILD_ID + 1)
e13629bc 2108
3bcf5557 2109static void
0c7a8e5a
AM
2110gld${EMULATION_NAME}_add_options
2111 (int ns, char **shortopts, int nl, struct option **longopts,
2112 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
e0ee487b 2113{
fb42df5e
AM
2114EOF
2115if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2116fragment <<EOF
7ee314fa 2117 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
fb42df5e
AM
2118EOF
2119else
2120fragment <<EOF
2121 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
2122EOF
2123fi
2124fragment <<EOF
3bcf5557 2125 static const struct option xtra_long[] = {
fb42df5e
AM
2126EOF
2127if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2128fragment <<EOF
7ee314fa 2129 {"audit", required_argument, NULL, OPTION_AUDIT},
fb42df5e
AM
2130 {"Bgroup", no_argument, NULL, OPTION_GROUP},
2131EOF
2132fi
2133fragment <<EOF
2134 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
e0ee487b 2135EOF
e0ee487b 2136if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2137fragment <<EOF
fb42df5e 2138 {"depaudit", required_argument, NULL, 'P'},
3bcf5557
AM
2139 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
2140 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
2141 {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
b58f81ae 2142 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
fdc90cb4 2143 {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
e0ee487b
L
2144EOF
2145fi
e0ee487b 2146if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
92b93329 2147fragment <<EOF
3bcf5557 2148 $PARSE_AND_LIST_LONGOPTS
e0ee487b
L
2149EOF
2150fi
92b93329 2151fragment <<EOF
3bcf5557
AM
2152 {NULL, no_argument, NULL, 0}
2153 };
2154
2155 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
2156 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
2157 *longopts = (struct option *)
2158 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
2159 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
2160}
04925e1e 2161
24382dca 2162#define DEFAULT_BUILD_ID_STYLE "sha1"
c0065db7 2163
3bcf5557 2164static bfd_boolean
0c7a8e5a 2165gld${EMULATION_NAME}_handle_option (int optc)
e0ee487b 2166{
e0ee487b
L
2167 switch (optc)
2168 {
2169 default:
3bcf5557 2170 return FALSE;
6c1439be 2171
c0065db7 2172 case OPTION_BUILD_ID:
30e8ee25 2173 if (emit_note_gnu_build_id != NULL)
c0065db7 2174 {
30e8ee25
AM
2175 free ((char *) emit_note_gnu_build_id);
2176 emit_note_gnu_build_id = NULL;
c0065db7
RM
2177 }
2178 if (optarg == NULL)
2179 optarg = DEFAULT_BUILD_ID_STYLE;
2180 if (strcmp (optarg, "none"))
30e8ee25 2181 emit_note_gnu_build_id = xstrdup (optarg);
c0065db7 2182 break;
fb42df5e
AM
2183
2184EOF
2185
2186if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2187fragment <<EOF
7ee314fa 2188 case OPTION_AUDIT:
4724d37e 2189 gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg);
7ee314fa 2190 break;
fb42df5e 2191
7ee314fa
AM
2192 case 'P':
2193 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg);
2194 break;
c0065db7 2195
6c1439be 2196 case OPTION_DISABLE_NEW_DTAGS:
b34976b6 2197 link_info.new_dtags = FALSE;
6c1439be
L
2198 break;
2199
2200 case OPTION_ENABLE_NEW_DTAGS:
b34976b6 2201 link_info.new_dtags = TRUE;
6c1439be
L
2202 break;
2203
65765700 2204 case OPTION_EH_FRAME_HDR:
b34976b6 2205 link_info.eh_frame_hdr = TRUE;
65765700
JJ
2206 break;
2207
a1ab1d2a
UD
2208 case OPTION_GROUP:
2209 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
2210 /* Groups must be self-contained. */
560e09e9
NC
2211 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2212 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
a1ab1d2a
UD
2213 break;
2214
b58f81ae
DJ
2215 case OPTION_EXCLUDE_LIBS:
2216 add_excluded_libs (optarg);
2217 break;
2218
fdc90cb4
JJ
2219 case OPTION_HASH_STYLE:
2220 link_info.emit_hash = FALSE;
2221 link_info.emit_gnu_hash = FALSE;
2222 if (strcmp (optarg, "sysv") == 0)
2223 link_info.emit_hash = TRUE;
2224 else if (strcmp (optarg, "gnu") == 0)
2225 link_info.emit_gnu_hash = TRUE;
2226 else if (strcmp (optarg, "both") == 0)
2227 {
2228 link_info.emit_hash = TRUE;
2229 link_info.emit_gnu_hash = TRUE;
2230 }
2231 else
2232 einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
2233 break;
2234
fb42df5e
AM
2235EOF
2236fi
2237fragment <<EOF
e0ee487b 2238 case 'z':
fb42df5e
AM
2239 if (strcmp (optarg, "defs") == 0)
2240 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2241 else if (strcmp (optarg, "muldefs") == 0)
2242 link_info.allow_multiple_definition = TRUE;
2243 else if (CONST_STRNEQ (optarg, "max-page-size="))
2244 {
2245 char *end;
2246
2247 config.maxpagesize = strtoul (optarg + 14, &end, 0);
2248 if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
2249 einfo (_("%P%F: invalid maxium page size \`%s'\n"),
2250 optarg + 14);
2251 }
2252 else if (CONST_STRNEQ (optarg, "common-page-size="))
2253 {
2254 char *end;
2255 config.commonpagesize = strtoul (optarg + 17, &end, 0);
2256 if (*end
2257 || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
2258 einfo (_("%P%F: invalid common page size \`%s'\n"),
2259 optarg + 17);
2260 }
04c3a755
NS
2261 else if (CONST_STRNEQ (optarg, "stack-size="))
2262 {
2263 char *end;
2264 link_info.stacksize = strtoul (optarg + 11, &end, 0);
2265 if (*end || link_info.stacksize < 0)
2266 einfo (_("%P%F: invalid stack size \`%s'\n"), optarg + 11);
2267 if (!link_info.stacksize)
2268 /* Use -1 for explicit no-stack, because zero means
2269 'default'. */
2270 link_info.stacksize = -1;
2271 }
fb42df5e
AM
2272 else if (strcmp (optarg, "execstack") == 0)
2273 {
2274 link_info.execstack = TRUE;
2275 link_info.noexecstack = FALSE;
2276 }
2277 else if (strcmp (optarg, "noexecstack") == 0)
2278 {
2279 link_info.noexecstack = TRUE;
2280 link_info.execstack = FALSE;
2281 }
2282EOF
d258b828
IZ
2283
2284if test x"$BNDPLT" = xyes; then
2285fragment <<EOF
2286 else if (strcmp (optarg, "bndplt") == 0)
2287 link_info.bndplt = TRUE;
2288EOF
2289fi
2290
fb42df5e
AM
2291if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2292fragment <<EOF
b039ef04
L
2293 else if (strcmp (optarg, "global") == 0)
2294 link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
fb42df5e 2295 else if (strcmp (optarg, "initfirst") == 0)
e0ee487b
L
2296 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
2297 else if (strcmp (optarg, "interpose") == 0)
2298 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
2299 else if (strcmp (optarg, "loadfltr") == 0)
2300 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
2301 else if (strcmp (optarg, "nodefaultlib") == 0)
2302 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
2303 else if (strcmp (optarg, "nodelete") == 0)
2304 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
2305 else if (strcmp (optarg, "nodlopen") == 0)
2306 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
2307 else if (strcmp (optarg, "nodump") == 0)
2308 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
2309 else if (strcmp (optarg, "now") == 0)
2310 {
2311 link_info.flags |= (bfd_vma) DF_BIND_NOW;
2312 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
2313 }
5fa222e4
AM
2314 else if (strcmp (optarg, "lazy") == 0)
2315 {
2316 link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
2317 link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
2318 }
e0ee487b
L
2319 else if (strcmp (optarg, "origin") == 0)
2320 {
2321 link_info.flags |= (bfd_vma) DF_ORIGIN;
2322 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
2323 }
db6751f2 2324 else if (strcmp (optarg, "combreloc") == 0)
b34976b6 2325 link_info.combreloc = TRUE;
db6751f2 2326 else if (strcmp (optarg, "nocombreloc") == 0)
b34976b6 2327 link_info.combreloc = FALSE;
8bd621d8 2328 else if (strcmp (optarg, "nocopyreloc") == 0)
0c7a8e5a 2329 link_info.nocopyreloc = TRUE;
8c37241b
JJ
2330 else if (strcmp (optarg, "relro") == 0)
2331 link_info.relro = TRUE;
2332 else if (strcmp (optarg, "norelro") == 0)
2333 link_info.relro = FALSE;
c192a133
AM
2334 else if (strcmp (optarg, "text") == 0)
2335 link_info.error_textrel = TRUE;
2336 else if (strcmp (optarg, "notext") == 0)
2337 link_info.error_textrel = FALSE;
2338 else if (strcmp (optarg, "textoff") == 0)
2339 link_info.error_textrel = FALSE;
88b882e9 2340EOF
fb42df5e 2341fi
88b882e9 2342
92b93329 2343fragment <<EOF
fb42df5e
AM
2344 else
2345 einfo (_("%P: warning: -z %s ignored.\n"), optarg);
6c1439be 2346 break;
e0ee487b 2347EOF
e0ee487b
L
2348
2349if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
92b93329 2350fragment <<EOF
e0ee487b
L
2351 $PARSE_AND_LIST_ARGS_CASES
2352EOF
2353fi
2354
92b93329 2355fragment <<EOF
e0ee487b
L
2356 }
2357
3bcf5557 2358 return TRUE;
e0ee487b
L
2359}
2360
41392f03 2361EOF
41392f03 2362
4b209b22 2363if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
92b93329 2364fragment <<EOF
41392f03 2365
e0ee487b 2366static void
0c7a8e5a 2367gld${EMULATION_NAME}_list_options (FILE * file)
e0ee487b 2368{
fb42df5e
AM
2369EOF
2370if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2371fragment <<EOF
7ee314fa
AM
2372 fprintf (file, _("\
2373 --audit=AUDITLIB Specify a library to use for auditing\n"));
2374 fprintf (file, _("\
fb42df5e
AM
2375 -Bgroup Selects group name lookup rules for DSO\n"));
2376EOF
2377fi
2378fragment <<EOF
2379 fprintf (file, _("\
2380 --build-id[=STYLE] Generate build ID note\n"));
e0ee487b 2381EOF
e0ee487b 2382if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2383fragment <<EOF
442996ee 2384 fprintf (file, _("\
fb42df5e 2385 -P AUDITLIB, --depaudit=AUDITLIB\n" "\
4724d37e 2386 Specify a library to use for auditing dependencies\n"));
442996ee
AM
2387 fprintf (file, _("\
2388 --disable-new-dtags Disable new dynamic tags\n"));
2389 fprintf (file, _("\
2390 --enable-new-dtags Enable new dynamic tags\n"));
2391 fprintf (file, _("\
2392 --eh-frame-hdr Create .eh_frame_hdr section\n"));
2393 fprintf (file, _("\
fb42df5e
AM
2394 --exclude-libs=LIBS Make all symbols in LIBS hidden\n"));
2395 fprintf (file, _("\
442996ee
AM
2396 --hash-style=STYLE Set hash style to sysv, gnu or both\n"));
2397 fprintf (file, _("\
2398 -z combreloc Merge dynamic relocs into one section and sort\n"));
fb42df5e
AM
2399EOF
2400fi
2401
2402fragment <<EOF
2403 fprintf (file, _("\
2404 -z common-page-size=SIZE Set common page size to SIZE\n"));
442996ee
AM
2405 fprintf (file, _("\
2406 -z defs Report unresolved symbols in object files.\n"));
2407 fprintf (file, _("\
2408 -z execstack Mark executable as requiring executable stack\n"));
fb42df5e
AM
2409EOF
2410
2411if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2412fragment <<EOF
442996ee 2413 fprintf (file, _("\
b039ef04 2414 -z global Make symbols in DSO available for subsequently\n\
4724d37e 2415 loaded objects\n"));
b039ef04 2416 fprintf (file, _("\
442996ee
AM
2417 -z initfirst Mark DSO to be initialized first at runtime\n"));
2418 fprintf (file, _("\
2419 -z interpose Mark object to interpose all DSOs but executable\n"));
2420 fprintf (file, _("\
2421 -z lazy Mark object lazy runtime binding (default)\n"));
2422 fprintf (file, _("\
2423 -z loadfltr Mark object requiring immediate process\n"));
fb42df5e
AM
2424EOF
2425fi
2426
2427fragment <<EOF
2428 fprintf (file, _("\
2429 -z max-page-size=SIZE Set maximum page size to SIZE\n"));
442996ee
AM
2430 fprintf (file, _("\
2431 -z muldefs Allow multiple definitions\n"));
fb42df5e
AM
2432EOF
2433
2434if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2435fragment <<EOF
442996ee
AM
2436 fprintf (file, _("\
2437 -z nocombreloc Don't merge dynamic relocs into one section\n"));
2438 fprintf (file, _("\
2439 -z nocopyreloc Don't create copy relocs\n"));
2440 fprintf (file, _("\
2441 -z nodefaultlib Mark object not to use default search paths\n"));
2442 fprintf (file, _("\
2443 -z nodelete Mark DSO non-deletable at runtime\n"));
2444 fprintf (file, _("\
2445 -z nodlopen Mark DSO not available to dlopen\n"));
2446 fprintf (file, _("\
2447 -z nodump Mark DSO not available to dldump\n"));
fb42df5e
AM
2448EOF
2449fi
2450fragment <<EOF
442996ee
AM
2451 fprintf (file, _("\
2452 -z noexecstack Mark executable as not requiring executable stack\n"));
88b882e9 2453EOF
fb42df5e 2454if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2455fragment <<EOF
442996ee
AM
2456 fprintf (file, _("\
2457 -z norelro Don't create RELRO program header\n"));
442996ee
AM
2458 fprintf (file, _("\
2459 -z now Mark object non-lazy runtime binding\n"));
2460 fprintf (file, _("\
2461 -z origin Mark object requiring immediate \$ORIGIN\n\
4724d37e 2462 processing at runtime\n"));
442996ee
AM
2463 fprintf (file, _("\
2464 -z relro Create RELRO program header\n"));
07e15f87
NS
2465 fprintf (file, _("\
2466 -z stacksize=SIZE Set size of stack segment\n"));
88b882e9 2467EOF
e0ee487b
L
2468fi
2469
d258b828
IZ
2470if test x"$BNDPLT" = xyes; then
2471fragment <<EOF
2472 fprintf (file, _("\
2473 -z bndplt Always generate BND prefix in PLT entries\n"));
2474EOF
2475fi
2476
e0ee487b 2477if test -n "$PARSE_AND_LIST_OPTIONS" ; then
92b93329 2478fragment <<EOF
e0ee487b
L
2479 $PARSE_AND_LIST_OPTIONS
2480EOF
2481fi
2482
92b93329 2483fragment <<EOF
e0ee487b
L
2484}
2485EOF
e0ee487b
L
2486
2487if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
92b93329 2488fragment <<EOF
e0ee487b
L
2489 $PARSE_AND_LIST_EPILOGUE
2490EOF
2491fi
41392f03 2492fi
e0ee487b 2493
92b93329 2494fragment <<EOF
252b5132 2495
60bcf0fa 2496struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 2497{
41392f03
AM
2498 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
2499 ${LDEMUL_SYSLIB-syslib_default},
2500 ${LDEMUL_HLL-hll_default},
eeaa4577 2501 ${LDEMUL_AFTER_PARSE-after_parse_default},
41392f03 2502 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
eaeb0a9d 2503 ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
41392f03
AM
2504 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
2505 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
2506 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
2507 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
2508 "${EMULATION_NAME}",
2509 "${OUTPUT_FORMAT}",
eaeb0a9d 2510 ${LDEMUL_FINISH-finish_default},
41392f03
AM
2511 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
2512 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
2513 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
2514 ${LDEMUL_SET_SYMBOLS-NULL},
3bcf5557
AM
2515 ${LDEMUL_PARSE_ARGS-NULL},
2516 gld${EMULATION_NAME}_add_options,
2517 gld${EMULATION_NAME}_handle_option,
41392f03 2518 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
4b209b22 2519 ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
4a43e768 2520 ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
41392f03 2521 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
7a2f2d82
DD
2522 ${LDEMUL_NEW_VERS_PATTERN-NULL},
2523 ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL}
252b5132
RH
2524};
2525EOF
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