* ld-elf/comm-data.exp: Add XFAIL for arm*-*-* targets, referring
[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 ${EMULATION_NAME}
e3dc8847 15 Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
66be1055 16 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
aa820537 17 Free Software Foundation, Inc.
252b5132
RH
18 Written by Steve Chamberlain <sac@cygnus.com>
19 ELF support by Ian Lance Taylor <ian@cygnus.com>
20
f96b4a7b
NC
21 This file is part of the GNU Binutils.
22
23 This program is free software; you can redistribute it and/or modify
24 it under the terms of the GNU General Public License as published by
25 the Free Software Foundation; either version 3 of the License, or
26 (at your option) any later version.
27
28 This program is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU General Public License for more details.
32
33 You should have received a copy of the GNU General Public License
34 along with this program; if not, write to the Free Software
35 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
36 MA 02110-1301, USA. */
252b5132
RH
37
38#define TARGET_IS_${EMULATION_NAME}
39
252b5132 40#include "sysdep.h"
3db64b00 41#include "bfd.h"
1c9acd94 42#include "libiberty.h"
42627821 43#include "filenames.h"
3882b010 44#include "safe-ctype.h"
fcf65871 45#include "getopt.h"
24382dca
RM
46#include "md5.h"
47#include "sha1.h"
48#include <fcntl.h>
252b5132
RH
49
50#include "bfdlink.h"
51
52#include "ld.h"
53#include "ldmain.h"
252b5132
RH
54#include "ldmisc.h"
55#include "ldexp.h"
56#include "ldlang.h"
b71e2778
AM
57#include "ldfile.h"
58#include "ldemul.h"
df2a7313 59#include <ldgram.h>
e0ee487b 60#include "elf/common.h"
ecca9871 61#include "elf-bfd.h"
07f1e47a 62#include "filenames.h"
252b5132 63
0c7a8e5a
AM
64/* Declare functions used by various EXTRA_EM_FILEs. */
65static void gld${EMULATION_NAME}_before_parse (void);
66static void gld${EMULATION_NAME}_after_open (void);
67static void gld${EMULATION_NAME}_before_allocation (void);
eaeb0a9d 68static void gld${EMULATION_NAME}_after_allocation (void);
c2edb4b8 69static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan
8a99a385 70 (asection *, const char *, int);
41392f03
AM
71EOF
72
d3989512
JJ
73if [ "x${USE_LIBPATH}" = xyes ] ; then
74 case ${target} in
a5244b7e 75 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 76 fragment <<EOF
0b48acfe 77#ifdef HAVE_GLOB
d3989512 78#include <glob.h>
0b48acfe 79#endif
d3989512
JJ
80EOF
81 ;;
82 esac
83fi
84
41392f03
AM
85# Import any needed special functions and/or overrides.
86#
92b93329 87source_em ${srcdir}/emultempl/elf-generic.em
41392f03 88if test -n "$EXTRA_EM_FILE" ; then
92b93329 89 source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
41392f03
AM
90fi
91
f813923c 92# Functions in this file can be overridden by setting the LDEMUL_* shell
41392f03
AM
93# variables. If the name of the overriding function is the same as is
94# defined in this file, then don't output this file's version.
95# If a different overriding name is given then output the standard function
96# as presumably it is called from the overriding function.
97#
98if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
92b93329 99fragment <<EOF
41392f03 100
252b5132 101static void
0c7a8e5a 102gld${EMULATION_NAME}_before_parse (void)
252b5132 103{
5e2f1575 104 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
66be1055 105 input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
b34976b6 106 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
252b5132
RH
107}
108
41392f03
AM
109EOF
110fi
111
4a43e768 112if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
92b93329 113fragment <<EOF
ddbb8a31 114/* Handle the generation of DT_NEEDED tags. */
4a43e768
AM
115
116static bfd_boolean
117gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
118{
96d56e9f 119 int link_class = 0;
4a43e768
AM
120
121 /* Tell the ELF linker that we don't want the output file to have a
122 DT_NEEDED entry for this file, unless it is used to resolve
123 references in a regular object. */
66be1055 124 if (entry->flags.add_DT_NEEDED_for_regular)
96d56e9f 125 link_class = DYN_AS_NEEDED;
e56f61be
L
126
127 /* Tell the ELF linker that we don't want the output file to have a
128 DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
129 this file at all. */
66be1055 130 if (!entry->flags.add_DT_NEEDED_for_dynamic)
96d56e9f 131 link_class |= DYN_NO_ADD_NEEDED;
e56f61be 132
66be1055 133 if (entry->flags.just_syms
12b9ff6c
L
134 && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
135 einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
136 entry->the_bfd);
137
ddbb8a31 138 if (link_class == 0
e56f61be
L
139 || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
140 return FALSE;
141
1e9cc1c2
NC
142 bfd_elf_set_dyn_lib_class (entry->the_bfd,
143 (enum dynamic_lib_link_class) link_class);
4a43e768
AM
144
145 /* Continue on with normal load_symbols processing. */
146 return FALSE;
147}
148EOF
149fi
150
92b93329 151fragment <<EOF
252b5132
RH
152
153/* These variables are required to pass information back and forth
154 between after_open and check_needed and stat_needed and vercheck. */
155
156static struct bfd_link_needed_list *global_needed;
157static struct stat global_stat;
e13629bc 158static lang_input_statement_type *global_found;
252b5132 159static struct bfd_link_needed_list *global_vercheck_needed;
b34976b6 160static bfd_boolean global_vercheck_failed;
252b5132 161
7ee314fa
AM
162/* These variables are used to implement target options */
163
164static char *audit; /* colon (typically) separated list of libs */
165static char *depaudit; /* colon (typically) separated list of libs */
252b5132 166
04925e1e
AM
167/* On Linux, it's possible to have different versions of the same
168 shared library linked against different versions of libc. The
169 dynamic linker somehow tags which libc version to use in
170 /etc/ld.so.cache, and, based on the libc that it sees in the
171 executable, chooses which version of the shared library to use.
252b5132 172
04925e1e
AM
173 We try to do a similar check here by checking whether this shared
174 library needs any other shared libraries which may conflict with
175 libraries we have already included in the link. If it does, we
176 skip it, and try to find another shared library farther on down the
177 link path.
252b5132 178
04925e1e
AM
179 This is called via lang_for_each_input_file.
180 GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
f813923c 181 which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
04925e1e 182 a conflicting version. */
252b5132 183
04925e1e 184static void
0c7a8e5a 185gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
04925e1e 186{
1c9acd94 187 const char *soname;
04925e1e 188 struct bfd_link_needed_list *l;
252b5132 189
04925e1e
AM
190 if (global_vercheck_failed)
191 return;
192 if (s->the_bfd == NULL
193 || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
194 return;
252b5132 195
04925e1e
AM
196 soname = bfd_elf_get_dt_soname (s->the_bfd);
197 if (soname == NULL)
fed2999d 198 soname = lbasename (bfd_get_filename (s->the_bfd));
04925e1e
AM
199
200 for (l = global_vercheck_needed; l != NULL; l = l->next)
201 {
202 const char *suffix;
203
42627821 204 if (filename_cmp (soname, l->name) == 0)
04925e1e
AM
205 {
206 /* Probably can't happen, but it's an easy check. */
207 continue;
252b5132
RH
208 }
209
04925e1e 210 if (strchr (l->name, '/') != NULL)
252b5132
RH
211 continue;
212
04925e1e
AM
213 suffix = strstr (l->name, ".so.");
214 if (suffix == NULL)
215 continue;
216
217 suffix += sizeof ".so." - 1;
218
42627821 219 if (filename_ncmp (soname, l->name, suffix - l->name) == 0)
04925e1e
AM
220 {
221 /* Here we know that S is a dynamic object FOO.SO.VER1, and
0c7a8e5a
AM
222 the object we are considering needs a dynamic object
223 FOO.SO.VER2, and VER1 and VER2 are different. This
224 appears to be a version mismatch, so we tell the caller
225 to try a different version of this library. */
b34976b6 226 global_vercheck_failed = TRUE;
04925e1e
AM
227 return;
228 }
252b5132
RH
229 }
230}
231
252b5132 232
04925e1e
AM
233/* See if an input file matches a DT_NEEDED entry by running stat on
234 the file. */
235
236static void
0c7a8e5a 237gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
252b5132 238{
04925e1e
AM
239 struct stat st;
240 const char *suffix;
241 const char *soname;
252b5132 242
e13629bc 243 if (global_found != NULL)
04925e1e
AM
244 return;
245 if (s->the_bfd == NULL)
246 return;
e13629bc
AM
247
248 /* If this input file was an as-needed entry, and wasn't found to be
249 needed at the stage it was linked, then don't say we have loaded it. */
250 if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86 251 return;
04925e1e
AM
252
253 if (bfd_stat (s->the_bfd, &st) != 0)
252b5132 254 {
04925e1e
AM
255 einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
256 return;
257 }
252b5132 258
9eabd475
ZW
259 /* Some operating systems, e.g. Windows, do not provide a meaningful
260 st_ino; they always set it to zero. (Windows does provide a
261 meaningful st_dev.) Do not indicate a duplicate library in that
262 case. While there is no guarantee that a system that provides
263 meaningful inode numbers will never set st_ino to zero, this is
264 merely an optimization, so we do not need to worry about false
265 negatives. */
04925e1e 266 if (st.st_dev == global_stat.st_dev
9eabd475
ZW
267 && st.st_ino == global_stat.st_ino
268 && st.st_ino != 0)
04925e1e 269 {
e13629bc 270 global_found = s;
04925e1e
AM
271 return;
272 }
252b5132 273
04925e1e
AM
274 /* We issue a warning if it looks like we are including two
275 different versions of the same shared library. For example,
276 there may be a problem if -lc picks up libc.so.6 but some other
277 shared library has a DT_NEEDED entry of libc.so.5. This is a
f813923c 278 heuristic test, and it will only work if the name looks like
04925e1e
AM
279 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
280 If we really want to issue warnings about mixing version numbers
281 of shared libraries, we need to find a better way. */
252b5132 282
04925e1e
AM
283 if (strchr (global_needed->name, '/') != NULL)
284 return;
285 suffix = strstr (global_needed->name, ".so.");
286 if (suffix == NULL)
287 return;
288 suffix += sizeof ".so." - 1;
252b5132 289
04925e1e
AM
290 soname = bfd_elf_get_dt_soname (s->the_bfd);
291 if (soname == NULL)
fed2999d 292 soname = lbasename (s->filename);
252b5132 293
42627821 294 if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
04925e1e 295 einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
1c9acd94 296 global_needed->name, global_needed->by, soname);
252b5132
RH
297}
298
e56f61be
L
299struct dt_needed
300{
301 bfd *by;
302 const char *name;
303};
04925e1e 304
252b5132
RH
305/* This function is called for each possible name for a dynamic object
306 named by a DT_NEEDED entry. The FORCE parameter indicates whether
307 to skip the check for a conflicting version. */
308
b34976b6 309static bfd_boolean
e56f61be
L
310gld${EMULATION_NAME}_try_needed (struct dt_needed *needed,
311 int force)
252b5132
RH
312{
313 bfd *abfd;
e56f61be 314 const char *name = needed->name;
ec4eb78a 315 const char *soname;
96d56e9f 316 int link_class;
252b5132 317
f13a99db 318 abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd));
252b5132 319 if (abfd == NULL)
b34976b6 320 return FALSE;
4a114e3e
L
321
322 /* Linker needs to decompress sections. */
323 abfd->flags |= BFD_DECOMPRESS;
324
252b5132
RH
325 if (! bfd_check_format (abfd, bfd_object))
326 {
cde43e70 327 bfd_close (abfd);
b34976b6 328 return FALSE;
252b5132
RH
329 }
330 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
331 {
cde43e70 332 bfd_close (abfd);
b34976b6 333 return FALSE;
252b5132
RH
334 }
335
c4bb8067 336 /* For DT_NEEDED, they have to match. */
f13a99db 337 if (abfd->xvec != link_info.output_bfd->xvec)
c4bb8067
L
338 {
339 bfd_close (abfd);
b34976b6 340 return FALSE;
c4bb8067
L
341 }
342
252b5132
RH
343 /* Check whether this object would include any conflicting library
344 versions. If FORCE is set, then we skip this check; we use this
345 the second time around, if we couldn't find any compatible
346 instance of the shared library. */
347
348 if (! force)
349 {
91d6fa6a 350 struct bfd_link_needed_list *needs;
252b5132 351
91d6fa6a 352 if (! bfd_elf_get_bfd_needed_list (abfd, &needs))
252b5132
RH
353 einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
354
91d6fa6a 355 if (needs != NULL)
252b5132 356 {
91d6fa6a 357 global_vercheck_needed = needs;
b34976b6 358 global_vercheck_failed = FALSE;
252b5132
RH
359 lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
360 if (global_vercheck_failed)
361 {
cde43e70 362 bfd_close (abfd);
b34976b6 363 /* Return FALSE to force the caller to move on to try
0c7a8e5a 364 another file on the search path. */
b34976b6 365 return FALSE;
252b5132
RH
366 }
367
368 /* But wait! It gets much worse. On Linux, if a shared
0c7a8e5a
AM
369 library does not use libc at all, we are supposed to skip
370 it the first time around in case we encounter a shared
371 library later on with the same name which does use the
372 version of libc that we want. This is much too horrible
373 to use on any system other than Linux. */
252b5132
RH
374
375EOF
376case ${target} in
a5244b7e 377 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 378 fragment <<EOF
252b5132
RH
379 {
380 struct bfd_link_needed_list *l;
381
91d6fa6a 382 for (l = needs; l != NULL; l = l->next)
0112cd26 383 if (CONST_STRNEQ (l->name, "libc.so"))
252b5132
RH
384 break;
385 if (l == NULL)
386 {
cde43e70 387 bfd_close (abfd);
b34976b6 388 return FALSE;
252b5132
RH
389 }
390 }
391
392EOF
393 ;;
394esac
92b93329 395fragment <<EOF
252b5132
RH
396 }
397 }
398
399 /* We've found a dynamic object matching the DT_NEEDED entry. */
400
04925e1e
AM
401 /* We have already checked that there is no other input file of the
402 same name. We must now check again that we are not including the
403 same file twice. We need to do this because on many systems
404 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
405 reference libc.so.1. If we have already included libc.so, we
406 don't want to include libc.so.1 if they are the same file, and we
407 can only check that using stat. */
408
409 if (bfd_stat (abfd, &global_stat) != 0)
410 einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
ec4eb78a
L
411
412 /* First strip off everything before the last '/'. */
fed2999d 413 soname = lbasename (abfd->filename);
ec4eb78a 414
cd6f1cf3 415 if (verbose)
ec4eb78a
L
416 info_msg (_("found %s at %s\n"), soname, name);
417
e13629bc 418 global_found = NULL;
04925e1e 419 lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
e13629bc 420 if (global_found != NULL)
04925e1e 421 {
b34976b6 422 /* Return TRUE to indicate that we found the file, even though
0c7a8e5a 423 we aren't going to do anything with it. */
b34976b6 424 return TRUE;
04925e1e
AM
425 }
426
4a43e768
AM
427 /* Specify the soname to use. */
428 bfd_elf_set_dt_needed_name (abfd, soname);
04925e1e 429
4a43e768
AM
430 /* Tell the ELF linker that we don't want the output file to have a
431 DT_NEEDED entry for this file, unless it is used to resolve
432 references in a regular object. */
96d56e9f 433 link_class = DYN_DT_NEEDED;
e56f61be
L
434
435 /* Tell the ELF linker that we don't want the output file to have a
436 DT_NEEDED entry for this file at all if the entry is from a file
437 with DYN_NO_ADD_NEEDED. */
7e9f0867
AM
438 if (needed->by != NULL
439 && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
96d56e9f 440 link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
e56f61be 441
1e9cc1c2 442 bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class);
04925e1e
AM
443
444 /* Add this file into the symbol table. */
445 if (! bfd_link_add_symbols (abfd, &link_info))
446 einfo ("%F%B: could not read symbols: %E\n", abfd);
447
b34976b6 448 return TRUE;
04925e1e
AM
449}
450
451
452/* Search for a needed file in a path. */
453
b34976b6 454static bfd_boolean
e56f61be
L
455gld${EMULATION_NAME}_search_needed (const char *path,
456 struct dt_needed *n, int force)
04925e1e
AM
457{
458 const char *s;
e56f61be 459 const char *name = n->name;
04925e1e 460 size_t len;
e56f61be 461 struct dt_needed needed;
04925e1e 462
cc5ce052 463 if (name[0] == '/')
e56f61be 464 return gld${EMULATION_NAME}_try_needed (n, force);
cc5ce052 465
04925e1e 466 if (path == NULL || *path == '\0')
b34976b6 467 return FALSE;
e56f61be
L
468
469 needed.by = n->by;
470 needed.name = n->name;
471
04925e1e
AM
472 len = strlen (name);
473 while (1)
474 {
475 char *filename, *sset;
476
c76308d2 477 s = strchr (path, config.rpath_separator);
04925e1e
AM
478 if (s == NULL)
479 s = path + strlen (path);
480
07f1e47a
AM
481#if HAVE_DOS_BASED_FILE_SYSTEM
482 /* Assume a match on the second char is part of drive specifier. */
483 else if (config.rpath_separator == ':'
484 && s == path + 1
485 && ISALPHA (*path))
486 {
487 s = strchr (s + 1, config.rpath_separator);
488 if (s == NULL)
489 s = path + strlen (path);
490 }
491#endif
04925e1e
AM
492 filename = (char *) xmalloc (s - path + len + 2);
493 if (s == path)
494 sset = filename;
495 else
496 {
497 memcpy (filename, path, s - path);
498 filename[s - path] = '/';
499 sset = filename + (s - path) + 1;
500 }
501 strcpy (sset, name);
502
e56f61be
L
503 needed.name = filename;
504 if (gld${EMULATION_NAME}_try_needed (&needed, force))
b34976b6 505 return TRUE;
04925e1e
AM
506
507 free (filename);
508
509 if (*s == '\0')
510 break;
511 path = s + 1;
512 }
513
b34976b6 514 return FALSE;
04925e1e
AM
515}
516
517EOF
9c8ebd6a 518if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 519 fragment <<EOF
9c8ebd6a 520
c76308d2
RS
521/* Add the sysroot to every entry in a path separated by
522 config.rpath_separator. */
9c8ebd6a
DJ
523
524static char *
0c7a8e5a 525gld${EMULATION_NAME}_add_sysroot (const char *path)
9c8ebd6a
DJ
526{
527 int len, colons, i;
528 char *ret, *p;
529
530 len = strlen (path);
531 colons = 0;
532 i = 0;
533 while (path[i])
c76308d2 534 if (path[i++] == config.rpath_separator)
9c8ebd6a
DJ
535 colons++;
536
537 if (path[i])
538 colons++;
539
42644a89 540 len = len + (colons + 1) * strlen (ld_sysroot);
9c8ebd6a
DJ
541 ret = xmalloc (len + 1);
542 strcpy (ret, ld_sysroot);
543 p = ret + strlen (ret);
544 i = 0;
545 while (path[i])
c76308d2 546 if (path[i] == config.rpath_separator)
9c8ebd6a 547 {
0c7a8e5a 548 *p++ = path[i++];
9c8ebd6a
DJ
549 strcpy (p, ld_sysroot);
550 p = p + strlen (p);
9c8ebd6a
DJ
551 }
552 else
553 *p++ = path[i++];
554
555 *p = 0;
556 return ret;
557}
04925e1e 558
3dc16cab
DJ
559EOF
560 case ${target} in
ebe1fac1 561 *-*-freebsd* | *-*-dragonfly*)
92b93329 562 fragment <<EOF
ebe1fac1
NC
563/* Read the system search path the FreeBSD way rather than the Linux way. */
564#ifdef HAVE_ELF_HINTS_H
565#include <elf-hints.h>
566#else
567#include "elf-hints-local.h"
568#endif
569
570static bfd_boolean
571gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force)
572{
573 static bfd_boolean initialized;
574 static char *ld_elf_hints;
575 struct dt_needed needed;
576
577 if (!initialized)
578 {
579 FILE *f;
580 char *tmppath;
581
ff7a0acf 582 tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL);
ebe1fac1
NC
583 f = fopen (tmppath, FOPEN_RB);
584 free (tmppath);
585 if (f != NULL)
586 {
587 struct elfhints_hdr hdr;
588
589 if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
590 && hdr.magic == ELFHINTS_MAGIC
591 && hdr.version == 1)
592 {
593 if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
594 {
595 char *b;
596
597 b = xmalloc (hdr.dirlistlen + 1);
598 if (fread (b, 1, hdr.dirlistlen + 1, f) ==
599 hdr.dirlistlen + 1)
600 ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
e13629bc 601
ebe1fac1
NC
602 free (b);
603 }
604 }
605 fclose (f);
606 }
607
608 initialized = TRUE;
609 }
610
611 if (ld_elf_hints == NULL)
612 return FALSE;
613
614 needed.by = NULL;
615 needed.name = name;
616 return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed,
e13629bc 617 force);
ebe1fac1
NC
618}
619EOF
620 # FreeBSD
621 ;;
622
a5244b7e 623 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 624 fragment <<EOF
04925e1e
AM
625/* For a native linker, check the file /etc/ld.so.conf for directories
626 in which we may find shared libraries. /etc/ld.so.conf is really
482e8b32 627 only meaningful on Linux. */
04925e1e 628
d3989512 629struct gld${EMULATION_NAME}_ld_so_conf
04925e1e 630{
d3989512
JJ
631 char *path;
632 size_t len, alloc;
633};
04925e1e 634
dfcffada 635static bfd_boolean
d3989512
JJ
636gld${EMULATION_NAME}_parse_ld_so_conf
637 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
638
639static void
640gld${EMULATION_NAME}_parse_ld_so_conf_include
641 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename,
642 const char *pattern)
643{
644 char *newp = NULL;
0b48acfe 645#ifdef HAVE_GLOB
d3989512 646 glob_t gl;
0b48acfe 647#endif
d3989512
JJ
648
649 if (pattern[0] != '/')
04925e1e 650 {
d3989512
JJ
651 char *p = strrchr (filename, '/');
652 size_t patlen = strlen (pattern) + 1;
04925e1e 653
d3989512
JJ
654 newp = xmalloc (p - filename + 1 + patlen);
655 memcpy (newp, filename, p - filename + 1);
656 memcpy (newp + (p - filename + 1), pattern, patlen);
657 pattern = newp;
658 }
04925e1e 659
0b48acfe 660#ifdef HAVE_GLOB
d3989512
JJ
661 if (glob (pattern, 0, NULL, &gl) == 0)
662 {
663 size_t i;
664
665 for (i = 0; i < gl.gl_pathc; ++i)
666 gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
667 globfree (&gl);
668 }
0b48acfe
MM
669#else
670 /* If we do not have glob, treat the pattern as a literal filename. */
671 gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
672#endif
d3989512
JJ
673
674 if (newp)
675 free (newp);
676}
677
dfcffada 678static bfd_boolean
d3989512
JJ
679gld${EMULATION_NAME}_parse_ld_so_conf
680 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
681{
682 FILE *f = fopen (filename, FOPEN_RT);
563f4125
JJ
683 char *line;
684 size_t linelen;
d3989512
JJ
685
686 if (f == NULL)
dfcffada 687 return FALSE;
d3989512 688
563f4125
JJ
689 linelen = 256;
690 line = xmalloc (linelen);
691 do
d3989512 692 {
563f4125
JJ
693 char *p = line, *q;
694
695 /* Normally this would use getline(3), but we need to be portable. */
696 while ((q = fgets (p, linelen - (p - line), f)) != NULL
697 && strlen (q) == linelen - (p - line) - 1
698 && line[linelen - 2] != '\n')
699 {
700 line = xrealloc (line, 2 * linelen);
701 p = line + linelen - 1;
702 linelen += linelen;
703 }
704
705 if (q == NULL && p == line)
706 break;
d3989512
JJ
707
708 p = strchr (line, '\n');
709 if (p)
710 *p = '\0';
711
712 /* Because the file format does not know any form of quoting we
713 can search forward for the next '#' character and if found
714 make it terminating the line. */
715 p = strchr (line, '#');
716 if (p)
717 *p = '\0';
718
719 /* Remove leading whitespace. NUL is no whitespace character. */
720 p = line;
721 while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v')
722 ++p;
723
724 /* If the line is blank it is ignored. */
725 if (p[0] == '\0')
726 continue;
04925e1e 727
0112cd26 728 if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
d3989512
JJ
729 {
730 char *dir, c;
731 p += 8;
732 do
04925e1e 733 {
d3989512
JJ
734 while (*p == ' ' || *p == '\t')
735 ++p;
04925e1e 736
d3989512
JJ
737 if (*p == '\0')
738 break;
252b5132 739
d3989512
JJ
740 dir = p;
741
742 while (*p != ' ' && *p != '\t' && *p)
743 ++p;
744
745 c = *p;
746 *p++ = '\0';
747 if (dir[0] != '\0')
748 gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename,
749 dir);
750 }
751 while (c != '\0');
752 }
753 else
754 {
755 char *dir = p;
756 while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f'
757 && *p != '\r' && *p != '\v')
758 ++p;
759
760 while (p != dir && p[-1] == '/')
761 --p;
762 if (info->path == NULL)
763 {
764 info->alloc = p - dir + 1 + 256;
765 info->path = xmalloc (info->alloc);
766 info->len = 0;
767 }
04925e1e
AM
768 else
769 {
d3989512
JJ
770 if (info->len + 1 + (p - dir) >= info->alloc)
771 {
772 info->alloc += p - dir + 256;
773 info->path = xrealloc (info->path, info->alloc);
774 }
c76308d2 775 info->path[info->len++] = config.rpath_separator;
04925e1e 776 }
d3989512
JJ
777 memcpy (info->path + info->len, dir, p - dir);
778 info->len += p - dir;
779 info->path[info->len] = '\0';
780 }
781 }
563f4125 782 while (! feof (f));
d3989512
JJ
783 free (line);
784 fclose (f);
dfcffada 785 return TRUE;
d3989512 786}
252b5132 787
d3989512
JJ
788static bfd_boolean
789gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force)
790{
791 static bfd_boolean initialized;
792 static char *ld_so_conf;
793 struct dt_needed needed;
252b5132 794
d3989512
JJ
795 if (! initialized)
796 {
797 char *tmppath;
798 struct gld${EMULATION_NAME}_ld_so_conf info;
9c8ebd6a 799
d3989512
JJ
800 info.path = NULL;
801 info.len = info.alloc = 0;
ff7a0acf
AM
802 tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
803 (const char *) NULL);
dfcffada
AM
804 if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
805 {
806 free (tmppath);
ff7a0acf
AM
807 tmppath = concat (ld_sysroot, "/etc/ld.so.conf",
808 (const char *) NULL);
dfcffada
AM
809 gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
810 }
d3989512 811 free (tmppath);
dfcffada 812
d3989512
JJ
813 if (info.path)
814 {
815 char *d = gld${EMULATION_NAME}_add_sysroot (info.path);
816 free (info.path);
817 ld_so_conf = d;
04925e1e 818 }
b34976b6 819 initialized = TRUE;
04925e1e 820 }
49e56c49 821
04925e1e 822 if (ld_so_conf == NULL)
b34976b6 823 return FALSE;
252b5132 824
e56f61be
L
825
826 needed.by = NULL;
827 needed.name = name;
828 return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force);
252b5132
RH
829}
830
04925e1e 831EOF
9c8ebd6a
DJ
832 # Linux
833 ;;
04925e1e
AM
834 esac
835fi
92b93329 836fragment <<EOF
04925e1e 837
252b5132
RH
838/* See if an input file matches a DT_NEEDED entry by name. */
839
840static void
0c7a8e5a 841gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
252b5132 842{
e13629bc
AM
843 const char *soname;
844
845 /* Stop looking if we've found a loaded lib. */
846 if (global_found != NULL
847 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
848 & DYN_AS_NEEDED) == 0)
252b5132
RH
849 return;
850
e13629bc
AM
851 if (s->filename == NULL || s->the_bfd == NULL)
852 return;
853
854 /* Don't look for a second non-loaded as-needed lib. */
855 if (global_found != NULL
856 && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86
AM
857 return;
858
42627821 859 if (filename_cmp (s->filename, global_needed->name) == 0)
252b5132 860 {
e13629bc
AM
861 global_found = s;
862 return;
863 }
577a0623 864
66be1055 865 if (s->flags.search_dirs)
e13629bc
AM
866 {
867 const char *f = strrchr (s->filename, '/');
868 if (f != NULL
42627821 869 && filename_cmp (f + 1, global_needed->name) == 0)
577a0623 870 {
e13629bc 871 global_found = s;
577a0623
AM
872 return;
873 }
252b5132
RH
874 }
875
e13629bc
AM
876 soname = bfd_elf_get_dt_soname (s->the_bfd);
877 if (soname != NULL
42627821 878 && filename_cmp (soname, global_needed->name) == 0)
252b5132 879 {
e13629bc
AM
880 global_found = s;
881 return;
252b5132 882 }
252b5132
RH
883}
884
41392f03
AM
885EOF
886
887if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
92b93329 888fragment <<EOF
04925e1e 889
24382dca
RM
890static bfd_size_type
891gld${EMULATION_NAME}_id_note_section_size (bfd *abfd,
91d6fa6a 892 struct bfd_link_info *linfo)
24382dca 893{
91d6fa6a 894 const char *style = linfo->emit_note_gnu_build_id;
24382dca
RM
895 bfd_size_type size;
896
897 abfd = abfd;
898
899 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
900 size = (size + 3) & -(bfd_size_type) 4;
901
902 if (!strcmp (style, "md5") || !strcmp (style, "uuid"))
903 size += 128 / 8;
904 else if (!strcmp (style, "sha1"))
905 size += 160 / 8;
906 else if (!strncmp (style, "0x", 2))
907 {
908 /* ID is in string form (hex). Convert to bits. */
909 const char *id = style + 2;
910 do
911 {
912 if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
913 {
914 ++size;
915 id += 2;
916 }
917 else if (*id == '-' || *id == ':')
918 ++id;
919 else
920 {
921 size = 0;
922 break;
923 }
924 } while (*id != '\0');
925 }
926 else
927 size = 0;
928
929 return size;
930}
931
932static unsigned char
933read_hex (const char xdigit)
934{
935 if (ISDIGIT (xdigit))
936 return xdigit - '0';
937 if (ISUPPER (xdigit))
938 return xdigit - 'A' + 0xa;
939 if (ISLOWER (xdigit))
940 return xdigit - 'a' + 0xa;
941 abort ();
942 return 0;
943}
944
945struct build_id_info
946{
947 const char *style;
948 asection *sec;
949};
950
951static bfd_boolean
952gld${EMULATION_NAME}_write_build_id_section (bfd *abfd)
953{
954 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1e9cc1c2 955 struct build_id_info *info = (struct build_id_info *)
24382dca
RM
956 elf_tdata (abfd)->after_write_object_contents_info;
957 asection *asec;
958 Elf_Internal_Shdr *i_shdr;
959 unsigned char *contents, *id_bits;
960 bfd_size_type size;
961 Elf_External_Note *e_note;
962
963 asec = info->sec;
83e4970b 964 if (bfd_is_abs_section (asec->output_section))
24382dca 965 {
83e4970b
AM
966 einfo (_("%P: warning: .note.gnu.build-id section discarded,"
967 " --build-id ignored.\n"));
968 return TRUE;
24382dca
RM
969 }
970 i_shdr = &elf_section_data (asec->output_section)->this_hdr;
971
972 if (i_shdr->contents == NULL)
973 {
b2ff8454 974 if (asec->contents == NULL)
1e9cc1c2 975 asec->contents = (unsigned char *) xmalloc (asec->size);
b2ff8454 976 contents = asec->contents;
24382dca 977 }
b2ff8454
RM
978 else
979 contents = i_shdr->contents + asec->output_offset;
24382dca 980
1e9cc1c2 981 e_note = (Elf_External_Note *) contents;
24382dca
RM
982 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
983 size = (size + 3) & -(bfd_size_type) 4;
984 id_bits = contents + size;
985 size = asec->size - size;
986
987 bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
988 bfd_h_put_32 (abfd, size, &e_note->descsz);
989 bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
990 memcpy (e_note->name, "GNU", sizeof "GNU");
991
992 if (!strcmp (info->style, "md5"))
993 {
994 struct md5_ctx ctx;
995 md5_init_ctx (&ctx);
996 if (bed->s->checksum_contents (abfd,
997 (void (*) (const void *, size_t, void *))
998 &md5_process_bytes,
999 &ctx))
1000 md5_finish_ctx (&ctx, id_bits);
1001 else
1002 return FALSE;
1003 }
1004 else if (!strcmp (info->style, "sha1"))
1005 {
1006 struct sha1_ctx ctx;
1007 sha1_init_ctx (&ctx);
1008 if (bed->s->checksum_contents (abfd,
1009 (void (*) (const void *, size_t, void *))
1010 &sha1_process_bytes,
1011 &ctx))
1012 sha1_finish_ctx (&ctx, id_bits);
1013 else
1014 return FALSE;
1015 }
1016 else if (!strcmp (info->style, "uuid"))
1017 {
1018 int n;
1019 int fd = open ("/dev/urandom", O_RDONLY);
1020 if (fd < 0)
1021 return FALSE;
1022 n = read (fd, id_bits, size);
1023 close (fd);
1024 if (n < (int) size)
1025 return FALSE;
1026 }
1027 else if (!strncmp (info->style, "0x", 2))
1028 {
1029 /* ID is in string form (hex). Convert to bits. */
1030 const char *id = info->style + 2;
1031 size_t n = 0;
1032 do
1033 {
1034 if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
1035 {
1036 id_bits[n] = read_hex (*id++) << 4;
1037 id_bits[n++] |= read_hex (*id++);
1038 }
1039 else if (*id == '-' || *id == ':')
1040 ++id;
1041 else
1042 abort (); /* Should have been validated earlier. */
1043 } while (*id != '\0');
1044 }
1045 else
1046 abort (); /* Should have been validated earlier. */
1047
b2ff8454
RM
1048 size = asec->size;
1049 return (bfd_seek (abfd,
1050 i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0
1051 && bfd_bwrite (contents, size, abfd) == size);
24382dca
RM
1052}
1053
1054
04925e1e 1055/* This is called after all the input files have been opened. */
252b5132
RH
1056
1057static void
0c7a8e5a 1058gld${EMULATION_NAME}_after_open (void)
252b5132 1059{
04925e1e 1060 struct bfd_link_needed_list *needed, *l;
d10e7fcc
AM
1061 struct elf_link_hash_table *htab;
1062
5c3049d2
AM
1063 after_open_default ();
1064
d10e7fcc
AM
1065 htab = elf_hash_table (&link_info);
1066 if (!is_elf_hash_table (htab))
1067 return;
252b5132 1068
c0065db7
RM
1069 if (link_info.emit_note_gnu_build_id)
1070 {
1071 bfd *abfd;
1072 asection *s;
1073 bfd_size_type size;
1074
a654efd6
L
1075 /* Find an ELF input. */
1076 for (abfd = link_info.input_bfds;
1077 abfd != (bfd *) NULL; abfd = abfd->link_next)
1078 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1079 break;
c0065db7 1080
e9e0a58e 1081 if (abfd == NULL)
c0065db7 1082 {
e9e0a58e
NC
1083 /* PR 10555: If there are no input files do not
1084 try to create a .note.gnu-build-id section. */
c0065db7
RM
1085 free (link_info.emit_note_gnu_build_id);
1086 link_info.emit_note_gnu_build_id = NULL;
1087 }
1088 else
1089 {
e9e0a58e
NC
1090 size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info);
1091 if (size == 0)
c0065db7 1092 {
e9e0a58e
NC
1093 einfo ("%P: warning: unrecognized --build-id style ignored.\n");
1094 free (link_info.emit_note_gnu_build_id);
1095 link_info.emit_note_gnu_build_id = NULL;
c0065db7
RM
1096 }
1097 else
1098 {
e9e0a58e
NC
1099 s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id",
1100 SEC_ALLOC | SEC_LOAD
1101 | SEC_IN_MEMORY | SEC_LINKER_CREATED
1102 | SEC_READONLY | SEC_DATA);
1103 if (s != NULL && bfd_set_section_alignment (abfd, s, 2))
1104 {
1105 struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
1e9cc1c2
NC
1106 struct build_id_info *b =
1107 (struct build_id_info *) xmalloc (sizeof *b);
e9e0a58e
NC
1108
1109 b->style = link_info.emit_note_gnu_build_id;
1110 b->sec = s;
1111 elf_section_type (s) = SHT_NOTE;
1112 s->size = size;
1113 t->after_write_object_contents
1114 = &gld${EMULATION_NAME}_write_build_id_section;
1115 t->after_write_object_contents_info = b;
1116 }
1117 else
1118 {
1119 einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
1120 " --build-id ignored.\n");
1121 free (link_info.emit_note_gnu_build_id);
1122 link_info.emit_note_gnu_build_id = NULL;
1123 }
c0065db7
RM
1124 }
1125 }
1126 }
1127
d10e7fcc
AM
1128 if (link_info.relocatable)
1129 return;
1130
eb3d5f3b 1131 if (link_info.eh_frame_hdr
d10e7fcc 1132 && !link_info.traditional_format)
eb3d5f3b 1133 {
a654efd6
L
1134 bfd *abfd, *elfbfd = NULL;
1135 bfd_boolean warn_eh_frame = FALSE;
d10e7fcc 1136 asection *s;
eb3d5f3b 1137
d10e7fcc 1138 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
eb3d5f3b 1139 {
a654efd6
L
1140 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1141 elfbfd = abfd;
4440bb77
L
1142 if (!warn_eh_frame)
1143 {
1144 s = bfd_get_section_by_name (abfd, ".eh_frame");
9cf8b46e
AM
1145 while (s != NULL
1146 && (s->size <= 8
1147 || bfd_is_abs_section (s->output_section)))
1148 s = bfd_get_next_section_by_name (s);
1149 warn_eh_frame = s != NULL;
4440bb77
L
1150 }
1151 if (elfbfd && warn_eh_frame)
1152 break;
d10e7fcc 1153 }
a654efd6 1154 if (elfbfd)
d10e7fcc
AM
1155 {
1156 const struct elf_backend_data *bed;
1157
a654efd6
L
1158 bed = get_elf_backend_data (elfbfd);
1159 s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr",
1160 bed->dynamic_sec_flags
1161 | SEC_READONLY);
d10e7fcc 1162 if (s != NULL
a654efd6
L
1163 && bfd_set_section_alignment (elfbfd, s, 2))
1164 {
1165 htab->eh_info.hdr_sec = s;
1166 warn_eh_frame = FALSE;
1167 }
eb3d5f3b 1168 }
a654efd6
L
1169 if (warn_eh_frame)
1170 einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
1171 " --eh-frame-hdr ignored.\n");
eb3d5f3b
JB
1172 }
1173
04925e1e
AM
1174 /* Get the list of files which appear in DT_NEEDED entries in
1175 dynamic objects included in the link (often there will be none).
1176 For each such file, we want to track down the corresponding
1177 library, and include the symbol table in the link. This is what
1178 the runtime dynamic linker will do. Tracking the files down here
1179 permits one dynamic object to include another without requiring
1180 special action by the person doing the link. Note that the
1181 needed list can actually grow while we are stepping through this
1182 loop. */
d10e7fcc
AM
1183 if (!link_info.executable)
1184 return;
f13a99db 1185 needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info);
04925e1e 1186 for (l = needed; l != NULL; l = l->next)
252b5132 1187 {
04925e1e 1188 struct bfd_link_needed_list *ll;
e56f61be 1189 struct dt_needed n, nn;
04925e1e 1190 int force;
252b5132 1191
7e9f0867
AM
1192 /* If the lib that needs this one was --as-needed and wasn't
1193 found to be needed, then this lib isn't needed either. */
1194 if (l->by != NULL
1195 && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
1196 continue;
1197
04925e1e
AM
1198 /* If we've already seen this file, skip it. */
1199 for (ll = needed; ll != l; ll = ll->next)
7e9f0867
AM
1200 if ((ll->by == NULL
1201 || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
1202 && strcmp (ll->name, l->name) == 0)
04925e1e
AM
1203 break;
1204 if (ll != l)
1205 continue;
252b5132 1206
04925e1e
AM
1207 /* See if this file was included in the link explicitly. */
1208 global_needed = l;
e13629bc 1209 global_found = NULL;
04925e1e 1210 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
e13629bc
AM
1211 if (global_found != NULL
1212 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
1213 & DYN_AS_NEEDED) == 0)
04925e1e 1214 continue;
252b5132 1215
e56f61be
L
1216 n.by = l->by;
1217 n.name = l->name;
1218 nn.by = l->by;
cd6f1cf3 1219 if (verbose)
ec4eb78a
L
1220 info_msg (_("%s needed by %B\n"), l->name, l->by);
1221
e13629bc
AM
1222 /* As-needed libs specified on the command line (or linker script)
1223 take priority over libs found in search dirs. */
1224 if (global_found != NULL)
1225 {
1226 nn.name = global_found->filename;
1227 if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
1228 continue;
1229 }
1230
04925e1e
AM
1231 /* We need to find this file and include the symbol table. We
1232 want to search for the file in the same way that the dynamic
1233 linker will search. That means that we want to use
1234 rpath_link, rpath, then the environment variable
ec4eb78a
L
1235 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
1236 entries (native only), then the linker script LIB_SEARCH_DIRS.
1237 We do not search using the -L arguments.
252b5132 1238
04925e1e
AM
1239 We search twice. The first time, we skip objects which may
1240 introduce version mismatches. The second time, we force
1241 their use. See gld${EMULATION_NAME}_vercheck comment. */
1242 for (force = 0; force < 2; force++)
1243 {
04925e1e
AM
1244 size_t len;
1245 search_dirs_type *search;
6dd8c765 1246EOF
ff925e69 1247if [ "x${NATIVE}" = xyes ] ; then
92b93329 1248fragment <<EOF
dcb0bd0e 1249 const char *lib_path;
ff925e69
KK
1250EOF
1251fi
1252if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1253fragment <<EOF
6dd8c765
L
1254 struct bfd_link_needed_list *rp;
1255 int found;
1256EOF
6dd8c765 1257fi
92b93329 1258fragment <<EOF
252b5132 1259
04925e1e 1260 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
e56f61be 1261 &n, force))
04925e1e 1262 break;
dcb0bd0e 1263EOF
9c8ebd6a 1264if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1265fragment <<EOF
04925e1e 1266 if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
e56f61be 1267 &n, force))
04925e1e 1268 break;
9c8ebd6a
DJ
1269EOF
1270fi
1271if [ "x${NATIVE}" = xyes ] ; then
92b93329 1272fragment <<EOF
04925e1e
AM
1273 if (command_line.rpath_link == NULL
1274 && command_line.rpath == NULL)
1275 {
1276 lib_path = (const char *) getenv ("LD_RUN_PATH");
e56f61be 1277 if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
04925e1e
AM
1278 force))
1279 break;
1280 }
04925e1e 1281 lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
e56f61be 1282 if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force))
04925e1e 1283 break;
9c8ebd6a
DJ
1284EOF
1285fi
1286if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1287fragment <<EOF
ec4eb78a 1288 found = 0;
f13a99db 1289 rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
6dd8c765 1290 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a 1291 {
9c8ebd6a 1292 char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
ec4eb78a 1293 found = (rp->by == l->by
9c8ebd6a 1294 && gld${EMULATION_NAME}_search_needed (tmpname,
e56f61be 1295 &n,
ec4eb78a 1296 force));
9c8ebd6a 1297 free (tmpname);
ec4eb78a
L
1298 }
1299 if (found)
1300 break;
1301
04925e1e 1302EOF
04925e1e 1303fi
c1446dba
L
1304if [ "x${USE_LIBPATH}" = xyes ] ; then
1305 case ${target} in
ebe1fac1 1306 *-*-freebsd* | *-*-dragonfly*)
92b93329 1307 fragment <<EOF
ebe1fac1
NC
1308 if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
1309 break;
1310EOF
1311 # FreeBSD
1312 ;;
1313
a5244b7e 1314 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
c1446dba 1315 # Linux
92b93329 1316 fragment <<EOF
c1446dba
L
1317 if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
1318 break;
1319
1320EOF
1321 ;;
1322 esac
1323fi
92b93329 1324fragment <<EOF
04925e1e
AM
1325 len = strlen (l->name);
1326 for (search = search_head; search != NULL; search = search->next)
1327 {
1328 char *filename;
252b5132 1329
04925e1e
AM
1330 if (search->cmdline)
1331 continue;
1332 filename = (char *) xmalloc (strlen (search->name) + len + 2);
1333 sprintf (filename, "%s/%s", search->name, l->name);
e56f61be
L
1334 nn.name = filename;
1335 if (gld${EMULATION_NAME}_try_needed (&nn, force))
04925e1e
AM
1336 break;
1337 free (filename);
1338 }
1339 if (search != NULL)
1340 break;
1341EOF
92b93329 1342fragment <<EOF
04925e1e 1343 }
252b5132 1344
04925e1e
AM
1345 if (force < 2)
1346 continue;
252b5132 1347
e374f1d9 1348 einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
04925e1e
AM
1349 l->name, l->by);
1350 }
1351}
252b5132 1352
41392f03
AM
1353EOF
1354fi
1355
92b93329 1356fragment <<EOF
252b5132 1357
04925e1e 1358/* Look through an expression for an assignment statement. */
252b5132 1359
04925e1e 1360static void
0c7a8e5a 1361gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
04925e1e 1362{
4ea42fb7 1363 bfd_boolean provide = FALSE;
04925e1e
AM
1364
1365 switch (exp->type.node_class)
252b5132 1366 {
04925e1e 1367 case etree_provide:
bded3693 1368 case etree_provided:
4ea42fb7
AM
1369 provide = TRUE;
1370 /* Fall thru */
1371 case etree_assign:
04925e1e
AM
1372 /* We call record_link_assignment even if the symbol is defined.
1373 This is because if it is defined by a dynamic object, we
1374 actually want to use the value defined by the linker script,
1375 not the value from the dynamic object (because we are setting
1376 symbols like etext). If the symbol is defined by a regular
1377 object, then, as it happens, calling record_link_assignment
1378 will do no harm. */
04925e1e 1379 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 1380 {
f13a99db
AM
1381 if (!bfd_elf_record_link_assignment (link_info.output_bfd,
1382 &link_info,
fe21a8fc
L
1383 exp->assign.dst, provide,
1384 exp->assign.hidden))
04925e1e
AM
1385 einfo ("%P%F: failed to record assignment to %s: %E\n",
1386 exp->assign.dst);
252b5132 1387 }
04925e1e
AM
1388 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1389 break;
252b5132 1390
04925e1e
AM
1391 case etree_binary:
1392 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1393 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1394 break;
252b5132 1395
04925e1e
AM
1396 case etree_trinary:
1397 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1398 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1399 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1400 break;
252b5132 1401
04925e1e
AM
1402 case etree_unary:
1403 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1404 break;
252b5132 1405
04925e1e
AM
1406 default:
1407 break;
252b5132
RH
1408 }
1409}
1410
04925e1e
AM
1411
1412/* This is called by the before_allocation routine via
1413 lang_for_each_statement. It locates any assignment statements, and
1414 tells the ELF backend about them, in case they are assignments to
1415 symbols which are referred to by dynamic objects. */
1416
1417static void
0c7a8e5a 1418gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
04925e1e
AM
1419{
1420 if (s->header.type == lang_assignment_statement_enum)
1421 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1422}
1423
41392f03
AM
1424EOF
1425
1426if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
57e6abd2
AO
1427 if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
1428 ELF_INTERPRETER_SET_DEFAULT="
1429 if (sinterp != NULL)
1430 {
5718918d
AM
1431 sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
1432 sinterp->size = strlen ((char *) sinterp->contents) + 1;
57e6abd2
AO
1433 }
1434
1435"
1436 else
1437 ELF_INTERPRETER_SET_DEFAULT=
1438 fi
92b93329 1439fragment <<EOF
04925e1e 1440
7ee314fa
AM
1441/* used by before_allocation and handle_option. */
1442static void
91d6fa6a 1443gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg)
7ee314fa
AM
1444{
1445 if (*to == NULL)
91d6fa6a 1446 *to = xstrdup (op_arg);
7ee314fa
AM
1447 else
1448 {
1449 size_t to_len = strlen (*to);
91d6fa6a 1450 size_t op_arg_len = strlen (op_arg);
7ee314fa
AM
1451 char *buf;
1452 char *cp = *to;
1453
1454 /* First see whether OPTARG is already in the path. */
1455 do
1456 {
91d6fa6a
NC
1457 if (strncmp (op_arg, cp, op_arg_len) == 0
1458 && (cp[op_arg_len] == 0
1459 || cp[op_arg_len] == config.rpath_separator))
7ee314fa
AM
1460 /* We found it. */
1461 break;
1462
1463 /* Not yet found. */
1464 cp = strchr (cp, config.rpath_separator);
1465 if (cp != NULL)
1466 ++cp;
1467 }
1468 while (cp != NULL);
1469
1470 if (cp == NULL)
1471 {
91d6fa6a 1472 buf = xmalloc (to_len + op_arg_len + 2);
7ee314fa 1473 sprintf (buf, "%s%c%s", *to,
91d6fa6a 1474 config.rpath_separator, op_arg);
7ee314fa
AM
1475 free (*to);
1476 *to = buf;
1477 }
1478 }
1479}
1480
252b5132
RH
1481/* This is called after the sections have been attached to output
1482 sections, but before any sizes or addresses have been set. */
1483
1484static void
0c7a8e5a 1485gld${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1486{
1487 const char *rpath;
1488 asection *sinterp;
7ee314fa 1489 bfd *abfd;
252b5132 1490
fd574c46 1491 if (link_info.hash->type == bfd_link_elf_hash_table)
f13a99db 1492 _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
e1918d23 1493
252b5132
RH
1494 /* If we are going to make any variable assignments, we need to let
1495 the ELF backend know about them in case the variables are
1496 referred to by dynamic objects. */
1497 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
1498
1499 /* Let the ELF backend work out the sizes of any sections required
1500 by dynamic linking. */
1501 rpath = command_line.rpath;
1502 if (rpath == NULL)
1503 rpath = (const char *) getenv ("LD_RUN_PATH");
7ee314fa
AM
1504
1505 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
8dd881b6
L
1506 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1507 {
1508 const char *audit_libs = elf_dt_audit (abfd);
7ee314fa 1509
8dd881b6
L
1510 /* If the input bfd contains an audit entry, we need to add it as
1511 a dep audit entry. */
1512 if (audit_libs && *audit_libs != '\0')
1513 {
1514 char *cp = xstrdup (audit_libs);
1515 do
1516 {
1517 int more = 0;
1518 char *cp2 = strchr (cp, config.rpath_separator);
7ee314fa 1519
8dd881b6
L
1520 if (cp2)
1521 {
1522 *cp2 = '\0';
1523 more = 1;
1524 }
7ee314fa 1525
8dd881b6
L
1526 if (cp != NULL && *cp != '\0')
1527 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp);
1528
1529 cp = more ? ++cp2 : NULL;
1530 }
1531 while (cp != NULL);
1532 }
1533 }
7ee314fa 1534
5a580b3a 1535 if (! (bfd_elf_size_dynamic_sections
f13a99db 1536 (link_info.output_bfd, command_line.soname, rpath,
7ee314fa 1537 command_line.filter_shlib, audit, depaudit,
252b5132 1538 (const char * const *) command_line.auxiliary_filters,
fd91d419 1539 &link_info, &sinterp)))
252b5132 1540 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
8423293d 1541
57e6abd2 1542${ELF_INTERPRETER_SET_DEFAULT}
252b5132
RH
1543 /* Let the user override the dynamic linker we are using. */
1544 if (command_line.interpreter != NULL
1545 && sinterp != NULL)
1546 {
1547 sinterp->contents = (bfd_byte *) command_line.interpreter;
eea6121a 1548 sinterp->size = strlen (command_line.interpreter) + 1;
252b5132
RH
1549 }
1550
1551 /* Look for any sections named .gnu.warning. As a GNU extensions,
1552 we treat such sections as containing warning messages. We print
1553 out the warning message, and then zero out the section size so
1554 that it does not get copied into the output file. */
1555
1556 {
1557 LANG_FOR_EACH_INPUT_STATEMENT (is)
1558 {
1559 asection *s;
1560 bfd_size_type sz;
1561 char *msg;
b34976b6 1562 bfd_boolean ret;
252b5132 1563
66be1055 1564 if (is->flags.just_syms)
252b5132
RH
1565 continue;
1566
1567 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
1568 if (s == NULL)
1569 continue;
1570
eea6121a 1571 sz = s->size;
1e9cc1c2 1572 msg = (char *) xmalloc ((size_t) (sz + 1));
bc251d50 1573 if (! bfd_get_section_contents (is->the_bfd, s, msg,
8c675694 1574 (file_ptr) 0, sz))
252b5132
RH
1575 einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
1576 is->the_bfd);
bc251d50 1577 msg[sz] = '\0';
252b5132
RH
1578 ret = link_info.callbacks->warning (&link_info, msg,
1579 (const char *) NULL,
1580 is->the_bfd, (asection *) NULL,
1581 (bfd_vma) 0);
1582 ASSERT (ret);
1583 free (msg);
1584
9e3be61d
AM
1585 /* Clobber the section size, so that we don't waste space
1586 copying the warning into the output file. If we've already
1587 sized the output section, adjust its size. The adjustment
1588 is on rawsize because targets that size sections early will
1589 have called lang_reset_memory_regions after sizing. */
1590 if (s->output_section != NULL
1591 && s->output_section->rawsize >= s->size)
1592 s->output_section->rawsize -= s->size;
1593
eea6121a 1594 s->size = 0;
11d2f718 1595
9e3be61d
AM
1596 /* Also set SEC_EXCLUDE, so that local symbols defined in the
1597 warning section don't get copied to the output. */
a14a5de3 1598 s->flags |= SEC_EXCLUDE | SEC_KEEP;
252b5132
RH
1599 }
1600 }
8423293d 1601
1e035701 1602 before_allocation_default ();
8423293d 1603
f13a99db 1604 if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
8423293d 1605 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
252b5132
RH
1606}
1607
41392f03
AM
1608EOF
1609fi
1610
1611if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
92b93329 1612fragment <<EOF
252b5132 1613
04925e1e
AM
1614/* Try to open a dynamic archive. This is where we know that ELF
1615 dynamic libraries have an extension of .so (or .sl on oddball systems
1616 like hpux). */
1617
b34976b6 1618static bfd_boolean
0c7a8e5a
AM
1619gld${EMULATION_NAME}_open_dynamic_archive
1620 (const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
252b5132 1621{
04925e1e
AM
1622 const char *filename;
1623 char *string;
252b5132 1624
66be1055 1625 if (! entry->flags.maybe_archive)
b34976b6 1626 return FALSE;
252b5132 1627
04925e1e 1628 filename = entry->filename;
252b5132 1629
04925e1e
AM
1630 /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
1631 is defined, but it does not seem worth the headache to optimize
1632 away those two bytes of space. */
1633 string = (char *) xmalloc (strlen (search->name)
1634 + strlen (filename)
1635 + strlen (arch)
1636#ifdef EXTRA_SHLIB_EXTENSION
1637 + strlen (EXTRA_SHLIB_EXTENSION)
1638#endif
1639 + sizeof "/lib.so");
1640
1641 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
1642
1643#ifdef EXTRA_SHLIB_EXTENSION
1644 /* Try the .so extension first. If that fails build a new filename
1645 using EXTRA_SHLIB_EXTENSION. */
1646 if (! ldfile_try_open_bfd (string, entry))
a26cc967
AM
1647 {
1648 sprintf (string, "%s/lib%s%s%s", search->name,
1649 filename, arch, EXTRA_SHLIB_EXTENSION);
04925e1e
AM
1650#endif
1651
1652 if (! ldfile_try_open_bfd (string, entry))
252b5132 1653 {
04925e1e 1654 free (string);
b34976b6 1655 return FALSE;
04925e1e 1656 }
a26cc967
AM
1657#ifdef EXTRA_SHLIB_EXTENSION
1658 }
1659#endif
252b5132 1660
04925e1e 1661 entry->filename = string;
252b5132 1662
04925e1e
AM
1663 /* We have found a dynamic object to include in the link. The ELF
1664 backend linker will create a DT_NEEDED entry in the .dynamic
1665 section naming this file. If this file includes a DT_SONAME
1666 entry, it will be used. Otherwise, the ELF linker will just use
1667 the name of the file. For an archive found by searching, like
1668 this one, the DT_NEEDED entry should consist of just the name of
1669 the file, without the path information used to find it. Note
1670 that we only need to do this if we have a dynamic object; an
1671 archive will never be referenced by a DT_NEEDED entry.
252b5132 1672
04925e1e
AM
1673 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
1674 very pretty. I haven't been able to think of anything that is
1675 pretty, though. */
1676 if (bfd_check_format (entry->the_bfd, bfd_object)
1677 && (entry->the_bfd->flags & DYNAMIC) != 0)
1678 {
66be1055 1679 ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs);
252b5132 1680
04925e1e 1681 /* Rather than duplicating the logic above. Just use the
1c9acd94 1682 filename we recorded earlier. */
04925e1e 1683
fed2999d 1684 filename = lbasename (entry->filename);
1c9acd94 1685 bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
04925e1e
AM
1686 }
1687
b34976b6 1688 return TRUE;
04925e1e
AM
1689}
1690
41392f03
AM
1691EOF
1692fi
cde43e70
AM
1693
1694if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
92b93329 1695fragment <<EOF
41392f03 1696
afd7a018 1697/* A variant of lang_output_section_find used by place_orphan. */
04925e1e 1698
04925e1e 1699static lang_output_section_statement_type *
2a36a117 1700output_rel_find (asection *sec, int isdyn)
04925e1e 1701{
04925e1e 1702 lang_output_section_statement_type *lookup;
ba493122 1703 lang_output_section_statement_type *last = NULL;
2a36a117 1704 lang_output_section_statement_type *last_alloc = NULL;
48f2ff54 1705 lang_output_section_statement_type *last_ro_alloc = NULL;
ba493122
AM
1706 lang_output_section_statement_type *last_rel = NULL;
1707 lang_output_section_statement_type *last_rel_alloc = NULL;
24cdb50a 1708 int rela = sec->name[4] == 'a';
04925e1e 1709
afd7a018
AM
1710 for (lookup = &lang_output_section_statement.head->output_section_statement;
1711 lookup != NULL;
1712 lookup = lookup->next)
04925e1e 1713 {
66c103b7 1714 if (lookup->constraint >= 0
0112cd26 1715 && CONST_STRNEQ (lookup->name, ".rel"))
04925e1e 1716 {
24cdb50a 1717 int lookrela = lookup->name[4] == 'a';
ba493122 1718
2a36a117
AM
1719 /* .rel.dyn must come before all other reloc sections, to suit
1720 GNU ld.so. */
1721 if (isdyn)
1722 break;
1723
1724 /* Don't place after .rel.plt as doing so results in wrong
1725 dynamic tags. */
1726 if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
ba493122 1727 break;
2a36a117
AM
1728
1729 if (rela == lookrela || last_rel == NULL)
24cdb50a 1730 last_rel = lookup;
2a36a117
AM
1731 if ((rela == lookrela || last_rel_alloc == NULL)
1732 && lookup->bfd_section != NULL
ba493122
AM
1733 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1734 last_rel_alloc = lookup;
04925e1e 1735 }
2a36a117
AM
1736
1737 last = lookup;
1738 if (lookup->bfd_section != NULL
1739 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
48f2ff54
AM
1740 {
1741 last_alloc = lookup;
1742 if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
1743 last_ro_alloc = lookup;
1744 }
252b5132 1745 }
ba493122
AM
1746
1747 if (last_rel_alloc)
1748 return last_rel_alloc;
1749
1750 if (last_rel)
1751 return last_rel;
1752
48f2ff54
AM
1753 if (last_ro_alloc)
1754 return last_ro_alloc;
1755
2a36a117
AM
1756 if (last_alloc)
1757 return last_alloc;
1758
ba493122 1759 return last;
252b5132
RH
1760}
1761
1762/* Place an orphan section. We use this to put random SHF_ALLOC
1763 sections in the right segment. */
1764
c2edb4b8 1765static lang_output_section_statement_type *
8a99a385
AM
1766gld${EMULATION_NAME}_place_orphan (asection *s,
1767 const char *secname,
1768 int constraint)
252b5132 1769{
afd7a018
AM
1770 static struct orphan_save hold[] =
1771 {
1772 { ".text",
1773 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1774 0, 0, 0, 0 },
1775 { ".rodata",
1776 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1777 0, 0, 0, 0 },
1778 { ".data",
1779 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1780 0, 0, 0, 0 },
1781 { ".bss",
1782 SEC_ALLOC,
1783 0, 0, 0, 0 },
1784 { 0,
1785 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1786 0, 0, 0, 0 },
1787 { ".interp",
1788 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1789 0, 0, 0, 0 },
1790 { ".sdata",
1791 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
07890c07 1792 0, 0, 0, 0 },
175b7cd4 1793 { ".comment",
07890c07
AM
1794 SEC_HAS_CONTENTS,
1795 0, 0, 0, 0 },
afd7a018
AM
1796 };
1797 enum orphan_save_index
1798 {
1799 orphan_text = 0,
1800 orphan_rodata,
1801 orphan_data,
1802 orphan_bss,
1803 orphan_rel,
1804 orphan_interp,
07890c07
AM
1805 orphan_sdata,
1806 orphan_nonalloc
afd7a018
AM
1807 };
1808 static int orphan_init_done = 0;
6a345e87 1809 struct orphan_save *place;
afd7a018 1810 lang_output_section_statement_type *after;
252b5132 1811 lang_output_section_statement_type *os;
b5f14a6d 1812 lang_output_section_statement_type *match_by_name = NULL;
24cdb50a 1813 int isdyn = 0;
ecca9871
L
1814 int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
1815 unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
252b5132 1816
1049f94e 1817 if (! link_info.relocatable
24cdb50a 1818 && link_info.combreloc
ecca9871 1819 && (s->flags & SEC_ALLOC))
24cdb50a 1820 {
ecca9871
L
1821 if (iself)
1822 switch (sh_type)
1823 {
1824 case SHT_RELA:
1825 secname = ".rela.dyn";
1826 isdyn = 1;
1827 break;
1828 case SHT_REL:
1829 secname = ".rel.dyn";
1830 isdyn = 1;
1831 break;
1832 default:
1833 break;
1834 }
0112cd26 1835 else if (CONST_STRNEQ (secname, ".rel"))
ecca9871
L
1836 {
1837 secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
1838 isdyn = 1;
1839 }
24cdb50a 1840 }
aea4bd9d 1841
bcacc0f5 1842 /* Look through the script to see where to place this section. */
d127ecce
AM
1843 if (constraint == 0)
1844 for (os = lang_output_section_find (secname);
1845 os != NULL;
1846 os = next_matching_output_section_statement (os, 0))
1847 {
1848 /* If we don't match an existing output section, tell
1849 lang_insert_orphan to create a new output section. */
1850 constraint = SPECIAL;
1851
1852 if (os->bfd_section != NULL
1853 && (os->bfd_section->flags == 0
1854 || (_bfd_elf_match_sections_by_type (link_info.output_bfd,
1855 os->bfd_section,
1856 s->owner, s)
1857 && ((s->flags ^ os->bfd_section->flags)
1858 & (SEC_LOAD | SEC_ALLOC)) == 0)))
1859 {
1860 /* We already have an output section statement with this
1861 name, and its bfd section has compatible flags.
1862 If the section already exists but does not have any flags
1863 set, then it has been created by the linker, probably as a
1864 result of a --section-start command line switch. */
b9c361e0 1865 lang_add_section (&os->children, s, NULL, os);
d127ecce
AM
1866 return os;
1867 }
b5f14a6d
DD
1868
1869 /* Save unused output sections in case we can match them
1870 against orphans later. */
1871 if (os->bfd_section == NULL)
1872 match_by_name = os;
d127ecce 1873 }
252b5132 1874
b5f14a6d
DD
1875 /* If we didn't match an active output section, see if we matched an
1876 unused one and use that. */
1877 if (match_by_name)
1878 {
b9c361e0 1879 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
1880 return match_by_name;
1881 }
1882
afd7a018
AM
1883 if (!orphan_init_done)
1884 {
1885 struct orphan_save *ho;
07890c07 1886
afd7a018
AM
1887 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1888 if (ho->name != NULL)
1889 {
1890 ho->os = lang_output_section_find (ho->name);
1891 if (ho->os != NULL && ho->os->flags == 0)
1892 ho->os->flags = ho->flags;
1893 }
1894 orphan_init_done = 1;
1895 }
252b5132
RH
1896
1897 /* If this is a final link, then always put .gnu.warning.SYMBOL
1898 sections into the .text section to get them out of the way. */
36af4a4e 1899 if (link_info.executable
1049f94e 1900 && ! link_info.relocatable
bcacc0f5 1901 && CONST_STRNEQ (s->name, ".gnu.warning.")
afd7a018 1902 && hold[orphan_text].os != NULL)
252b5132 1903 {
c2edb4b8 1904 os = hold[orphan_text].os;
b9c361e0 1905 lang_add_section (&os->children, s, NULL, os);
c2edb4b8 1906 return os;
252b5132
RH
1907 }
1908
1909 /* Decide which segment the section should go in based on the
1910 section name and section flags. We put loadable .note sections
1911 right after the .interp section, so that the PT_NOTE segment is
1912 stored right after the program headers where the OS can read it
1913 in the first page. */
aea4bd9d 1914
71bfc0ae 1915 place = NULL;
07890c07
AM
1916 if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0)
1917 place = &hold[orphan_nonalloc];
1918 else if ((s->flags & SEC_ALLOC) == 0)
71bfc0ae 1919 ;
252b5132 1920 else if ((s->flags & SEC_LOAD) != 0
ecca9871 1921 && ((iself && sh_type == SHT_NOTE)
0112cd26 1922 || (!iself && CONST_STRNEQ (secname, ".note"))))
afd7a018 1923 place = &hold[orphan_interp];
04c932a2 1924 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0)
afd7a018
AM
1925 place = &hold[orphan_bss];
1926 else if ((s->flags & SEC_SMALL_DATA) != 0)
1927 place = &hold[orphan_sdata];
1928 else if ((s->flags & SEC_READONLY) == 0)
1929 place = &hold[orphan_data];
ecca9871 1930 else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
0112cd26 1931 || (!iself && CONST_STRNEQ (secname, ".rel")))
afd7a018
AM
1932 && (s->flags & SEC_LOAD) != 0)
1933 place = &hold[orphan_rel];
1934 else if ((s->flags & SEC_CODE) == 0)
1935 place = &hold[orphan_rodata];
1936 else
1937 place = &hold[orphan_text];
71bfc0ae 1938
afd7a018 1939 after = NULL;
5ba47421 1940 if (place != NULL)
252b5132 1941 {
afd7a018 1942 if (place->os == NULL)
5ba47421 1943 {
afd7a018
AM
1944 if (place->name != NULL)
1945 place->os = lang_output_section_find (place->name);
1946 else
1947 place->os = output_rel_find (s, isdyn);
5ba47421 1948 }
afd7a018
AM
1949 after = place->os;
1950 if (after == NULL)
390fbbf1
AM
1951 after = lang_output_section_find_by_flags
1952 (s, &place->os, _bfd_elf_match_sections_by_type);
afd7a018
AM
1953 if (after == NULL)
1954 /* *ABS* is always the first output section statement. */
1955 after = &lang_output_section_statement.head->output_section_statement;
252b5132
RH
1956 }
1957
c2edb4b8 1958 return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL);
252b5132 1959}
c56feb2b
AM
1960EOF
1961fi
1962
eaeb0a9d 1963if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
92b93329 1964fragment <<EOF
252b5132 1965
deb04cdb 1966static void
eaeb0a9d 1967gld${EMULATION_NAME}_after_allocation (void)
deb04cdb 1968{
f13a99db
AM
1969 bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd,
1970 &link_info);
8ded5a0f 1971 gld${EMULATION_NAME}_map_segments (need_layout);
73d074b4 1972}
41392f03
AM
1973EOF
1974fi
1975
1976if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
92b93329 1977fragment <<EOF
252b5132
RH
1978
1979static char *
0c7a8e5a 1980gld${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
1981EOF
1982
1983if test -n "$COMPILE_IN"
1984then
1985# Scripts compiled in.
1986
1987# sed commands to quote an ld script as a C string.
597e2591 1988sc="-f stringify.sed"
252b5132 1989
92b93329 1990fragment <<EOF
60bcf0fa 1991{
252b5132
RH
1992 *isfile = 0;
1993
1049f94e 1994 if (link_info.relocatable && config.build_constructors)
597e2591 1995 return
252b5132 1996EOF
afd7a018
AM
1997sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1998echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
1999sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2000echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2001sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
61585df2 2002if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
afd7a018
AM
2003echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2004sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
db6751f2 2005fi
36af4a4e
JJ
2006if test -n "$GENERATE_PIE_SCRIPT" ; then
2007if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2008echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
2009echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2010echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2011sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
36af4a4e 2012echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2013sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
36af4a4e 2014fi
afd7a018
AM
2015echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
2016sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
36af4a4e 2017fi
252b5132 2018if test -n "$GENERATE_SHLIB_SCRIPT" ; then
82434356 2019if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2020echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
2021echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2022echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2023sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
db6751f2 2024echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2025sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
82434356 2026fi
afd7a018
AM
2027echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
2028sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132 2029fi
82434356 2030if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b 2031echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2032echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018
AM
2033sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
2034echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
2035sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
82434356 2036fi
afd7a018
AM
2037echo ' ; else return' >> e${EMULATION_NAME}.c
2038sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2039echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
2040
2041else
2042# Scripts read from the filesystem.
2043
92b93329 2044fragment <<EOF
60bcf0fa 2045{
252b5132
RH
2046 *isfile = 1;
2047
1049f94e 2048 if (link_info.relocatable && config.build_constructors)
252b5132 2049 return "ldscripts/${EMULATION_NAME}.xu";
1049f94e 2050 else if (link_info.relocatable)
252b5132
RH
2051 return "ldscripts/${EMULATION_NAME}.xr";
2052 else if (!config.text_read_only)
2053 return "ldscripts/${EMULATION_NAME}.xbn";
a060b769
AM
2054EOF
2055if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
2056else
92b93329 2057fragment <<EOF
252b5132
RH
2058 else if (!config.magic_demand_paged)
2059 return "ldscripts/${EMULATION_NAME}.xn";
a060b769
AM
2060EOF
2061fi
36af4a4e
JJ
2062if test -n "$GENERATE_PIE_SCRIPT" ; then
2063if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2064fragment <<EOF
8c37241b 2065 else if (link_info.pie && link_info.combreloc
fbfca19e 2066 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2067 return "ldscripts/${EMULATION_NAME}.xdw";
36af4a4e
JJ
2068 else if (link_info.pie && link_info.combreloc)
2069 return "ldscripts/${EMULATION_NAME}.xdc";
2070EOF
2071fi
92b93329 2072fragment <<EOF
36af4a4e
JJ
2073 else if (link_info.pie)
2074 return "ldscripts/${EMULATION_NAME}.xd";
2075EOF
2076fi
a060b769
AM
2077if test -n "$GENERATE_SHLIB_SCRIPT" ; then
2078if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2079fragment <<EOF
8c37241b 2080 else if (link_info.shared && link_info.combreloc
fbfca19e 2081 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2082 return "ldscripts/${EMULATION_NAME}.xsw";
a060b769
AM
2083 else if (link_info.shared && link_info.combreloc)
2084 return "ldscripts/${EMULATION_NAME}.xsc";
2085EOF
2086fi
92b93329 2087fragment <<EOF
252b5132
RH
2088 else if (link_info.shared)
2089 return "ldscripts/${EMULATION_NAME}.xs";
a060b769
AM
2090EOF
2091fi
2092if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2093fragment <<EOF
8c37241b 2094 else if (link_info.combreloc && link_info.relro
fbfca19e 2095 && (link_info.flags & DF_BIND_NOW))
8c37241b 2096 return "ldscripts/${EMULATION_NAME}.xw";
a060b769
AM
2097 else if (link_info.combreloc)
2098 return "ldscripts/${EMULATION_NAME}.xc";
2099EOF
2100fi
92b93329 2101fragment <<EOF
252b5132
RH
2102 else
2103 return "ldscripts/${EMULATION_NAME}.x";
2104}
252b5132 2105
3b108066 2106EOF
41392f03
AM
2107fi
2108fi
3b108066 2109
e0ee487b 2110if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
92b93329 2111fragment <<EOF
e0ee487b
L
2112 $PARSE_AND_LIST_PROLOGUE
2113EOF
2114fi
2115
92b93329 2116fragment <<EOF
e0ee487b 2117
6c1439be
L
2118#define OPTION_DISABLE_NEW_DTAGS (400)
2119#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
a1ab1d2a 2120#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
65765700 2121#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
b58f81ae 2122#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
fdc90cb4 2123#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
c0065db7 2124#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
7ee314fa 2125#define OPTION_AUDIT (OPTION_BUILD_ID + 1)
e13629bc 2126
3bcf5557 2127static void
0c7a8e5a
AM
2128gld${EMULATION_NAME}_add_options
2129 (int ns, char **shortopts, int nl, struct option **longopts,
2130 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
e0ee487b 2131{
fb42df5e
AM
2132EOF
2133if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2134fragment <<EOF
7ee314fa 2135 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
fb42df5e
AM
2136EOF
2137else
2138fragment <<EOF
2139 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
2140EOF
2141fi
2142fragment <<EOF
3bcf5557 2143 static const struct option xtra_long[] = {
fb42df5e
AM
2144EOF
2145if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2146fragment <<EOF
7ee314fa 2147 {"audit", required_argument, NULL, OPTION_AUDIT},
fb42df5e
AM
2148 {"Bgroup", no_argument, NULL, OPTION_GROUP},
2149EOF
2150fi
2151fragment <<EOF
2152 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
e0ee487b 2153EOF
e0ee487b 2154if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2155fragment <<EOF
fb42df5e 2156 {"depaudit", required_argument, NULL, 'P'},
3bcf5557
AM
2157 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
2158 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
2159 {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
b58f81ae 2160 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
fdc90cb4 2161 {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
e0ee487b
L
2162EOF
2163fi
e0ee487b 2164if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
92b93329 2165fragment <<EOF
3bcf5557 2166 $PARSE_AND_LIST_LONGOPTS
e0ee487b
L
2167EOF
2168fi
92b93329 2169fragment <<EOF
3bcf5557
AM
2170 {NULL, no_argument, NULL, 0}
2171 };
2172
2173 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
2174 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
2175 *longopts = (struct option *)
2176 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
2177 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
2178}
04925e1e 2179
24382dca 2180#define DEFAULT_BUILD_ID_STYLE "sha1"
c0065db7 2181
3bcf5557 2182static bfd_boolean
0c7a8e5a 2183gld${EMULATION_NAME}_handle_option (int optc)
e0ee487b 2184{
e0ee487b
L
2185 switch (optc)
2186 {
2187 default:
3bcf5557 2188 return FALSE;
6c1439be 2189
c0065db7
RM
2190 case OPTION_BUILD_ID:
2191 if (link_info.emit_note_gnu_build_id != NULL)
2192 {
2193 free (link_info.emit_note_gnu_build_id);
2194 link_info.emit_note_gnu_build_id = NULL;
2195 }
2196 if (optarg == NULL)
2197 optarg = DEFAULT_BUILD_ID_STYLE;
2198 if (strcmp (optarg, "none"))
2199 link_info.emit_note_gnu_build_id = xstrdup (optarg);
2200 break;
fb42df5e
AM
2201
2202EOF
2203
2204if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2205fragment <<EOF
7ee314fa
AM
2206 case OPTION_AUDIT:
2207 gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg);
2208 break;
fb42df5e 2209
7ee314fa
AM
2210 case 'P':
2211 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg);
2212 break;
c0065db7 2213
6c1439be 2214 case OPTION_DISABLE_NEW_DTAGS:
b34976b6 2215 link_info.new_dtags = FALSE;
6c1439be
L
2216 break;
2217
2218 case OPTION_ENABLE_NEW_DTAGS:
b34976b6 2219 link_info.new_dtags = TRUE;
6c1439be
L
2220 break;
2221
65765700 2222 case OPTION_EH_FRAME_HDR:
b34976b6 2223 link_info.eh_frame_hdr = TRUE;
65765700
JJ
2224 break;
2225
a1ab1d2a
UD
2226 case OPTION_GROUP:
2227 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
2228 /* Groups must be self-contained. */
560e09e9
NC
2229 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2230 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
a1ab1d2a
UD
2231 break;
2232
b58f81ae
DJ
2233 case OPTION_EXCLUDE_LIBS:
2234 add_excluded_libs (optarg);
2235 break;
2236
fdc90cb4
JJ
2237 case OPTION_HASH_STYLE:
2238 link_info.emit_hash = FALSE;
2239 link_info.emit_gnu_hash = FALSE;
2240 if (strcmp (optarg, "sysv") == 0)
2241 link_info.emit_hash = TRUE;
2242 else if (strcmp (optarg, "gnu") == 0)
2243 link_info.emit_gnu_hash = TRUE;
2244 else if (strcmp (optarg, "both") == 0)
2245 {
2246 link_info.emit_hash = TRUE;
2247 link_info.emit_gnu_hash = TRUE;
2248 }
2249 else
2250 einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
2251 break;
2252
fb42df5e
AM
2253EOF
2254fi
2255fragment <<EOF
e0ee487b 2256 case 'z':
fb42df5e
AM
2257 if (strcmp (optarg, "defs") == 0)
2258 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2259 else if (strcmp (optarg, "muldefs") == 0)
2260 link_info.allow_multiple_definition = TRUE;
2261 else if (CONST_STRNEQ (optarg, "max-page-size="))
2262 {
2263 char *end;
2264
2265 config.maxpagesize = strtoul (optarg + 14, &end, 0);
2266 if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
2267 einfo (_("%P%F: invalid maxium page size \`%s'\n"),
2268 optarg + 14);
2269 }
2270 else if (CONST_STRNEQ (optarg, "common-page-size="))
2271 {
2272 char *end;
2273 config.commonpagesize = strtoul (optarg + 17, &end, 0);
2274 if (*end
2275 || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
2276 einfo (_("%P%F: invalid common page size \`%s'\n"),
2277 optarg + 17);
2278 }
04c3a755
NS
2279 else if (CONST_STRNEQ (optarg, "stack-size="))
2280 {
2281 char *end;
2282 link_info.stacksize = strtoul (optarg + 11, &end, 0);
2283 if (*end || link_info.stacksize < 0)
2284 einfo (_("%P%F: invalid stack size \`%s'\n"), optarg + 11);
2285 if (!link_info.stacksize)
2286 /* Use -1 for explicit no-stack, because zero means
2287 'default'. */
2288 link_info.stacksize = -1;
2289 }
fb42df5e
AM
2290 else if (strcmp (optarg, "execstack") == 0)
2291 {
2292 link_info.execstack = TRUE;
2293 link_info.noexecstack = FALSE;
2294 }
2295 else if (strcmp (optarg, "noexecstack") == 0)
2296 {
2297 link_info.noexecstack = TRUE;
2298 link_info.execstack = FALSE;
2299 }
2300EOF
2301if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2302fragment <<EOF
b039ef04
L
2303 else if (strcmp (optarg, "global") == 0)
2304 link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
fb42df5e 2305 else if (strcmp (optarg, "initfirst") == 0)
e0ee487b
L
2306 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
2307 else if (strcmp (optarg, "interpose") == 0)
2308 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
2309 else if (strcmp (optarg, "loadfltr") == 0)
2310 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
2311 else if (strcmp (optarg, "nodefaultlib") == 0)
2312 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
2313 else if (strcmp (optarg, "nodelete") == 0)
2314 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
2315 else if (strcmp (optarg, "nodlopen") == 0)
2316 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
2317 else if (strcmp (optarg, "nodump") == 0)
2318 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
2319 else if (strcmp (optarg, "now") == 0)
2320 {
2321 link_info.flags |= (bfd_vma) DF_BIND_NOW;
2322 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
2323 }
5fa222e4
AM
2324 else if (strcmp (optarg, "lazy") == 0)
2325 {
2326 link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
2327 link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
2328 }
e0ee487b
L
2329 else if (strcmp (optarg, "origin") == 0)
2330 {
2331 link_info.flags |= (bfd_vma) DF_ORIGIN;
2332 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
2333 }
db6751f2 2334 else if (strcmp (optarg, "combreloc") == 0)
b34976b6 2335 link_info.combreloc = TRUE;
db6751f2 2336 else if (strcmp (optarg, "nocombreloc") == 0)
b34976b6 2337 link_info.combreloc = FALSE;
8bd621d8 2338 else if (strcmp (optarg, "nocopyreloc") == 0)
0c7a8e5a 2339 link_info.nocopyreloc = TRUE;
8c37241b
JJ
2340 else if (strcmp (optarg, "relro") == 0)
2341 link_info.relro = TRUE;
2342 else if (strcmp (optarg, "norelro") == 0)
2343 link_info.relro = FALSE;
c192a133
AM
2344 else if (strcmp (optarg, "text") == 0)
2345 link_info.error_textrel = TRUE;
2346 else if (strcmp (optarg, "notext") == 0)
2347 link_info.error_textrel = FALSE;
2348 else if (strcmp (optarg, "textoff") == 0)
2349 link_info.error_textrel = FALSE;
88b882e9 2350EOF
fb42df5e 2351fi
88b882e9 2352
92b93329 2353fragment <<EOF
fb42df5e
AM
2354 else
2355 einfo (_("%P: warning: -z %s ignored.\n"), optarg);
6c1439be 2356 break;
e0ee487b 2357EOF
e0ee487b
L
2358
2359if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
92b93329 2360fragment <<EOF
e0ee487b
L
2361 $PARSE_AND_LIST_ARGS_CASES
2362EOF
2363fi
2364
92b93329 2365fragment <<EOF
e0ee487b
L
2366 }
2367
3bcf5557 2368 return TRUE;
e0ee487b
L
2369}
2370
41392f03 2371EOF
41392f03 2372
4b209b22 2373if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
92b93329 2374fragment <<EOF
41392f03 2375
e0ee487b 2376static void
0c7a8e5a 2377gld${EMULATION_NAME}_list_options (FILE * file)
e0ee487b 2378{
fb42df5e
AM
2379EOF
2380if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2381fragment <<EOF
7ee314fa
AM
2382 fprintf (file, _("\
2383 --audit=AUDITLIB Specify a library to use for auditing\n"));
2384 fprintf (file, _("\
fb42df5e
AM
2385 -Bgroup Selects group name lookup rules for DSO\n"));
2386EOF
2387fi
2388fragment <<EOF
2389 fprintf (file, _("\
2390 --build-id[=STYLE] Generate build ID note\n"));
e0ee487b 2391EOF
e0ee487b 2392if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2393fragment <<EOF
442996ee 2394 fprintf (file, _("\
fb42df5e
AM
2395 -P AUDITLIB, --depaudit=AUDITLIB\n" "\
2396 Specify a library to use for auditing dependencies\n"));
442996ee
AM
2397 fprintf (file, _("\
2398 --disable-new-dtags Disable new dynamic tags\n"));
2399 fprintf (file, _("\
2400 --enable-new-dtags Enable new dynamic tags\n"));
2401 fprintf (file, _("\
2402 --eh-frame-hdr Create .eh_frame_hdr section\n"));
2403 fprintf (file, _("\
fb42df5e
AM
2404 --exclude-libs=LIBS Make all symbols in LIBS hidden\n"));
2405 fprintf (file, _("\
442996ee
AM
2406 --hash-style=STYLE Set hash style to sysv, gnu or both\n"));
2407 fprintf (file, _("\
2408 -z combreloc Merge dynamic relocs into one section and sort\n"));
fb42df5e
AM
2409EOF
2410fi
2411
2412fragment <<EOF
2413 fprintf (file, _("\
2414 -z common-page-size=SIZE Set common page size to SIZE\n"));
442996ee
AM
2415 fprintf (file, _("\
2416 -z defs Report unresolved symbols in object files.\n"));
2417 fprintf (file, _("\
2418 -z execstack Mark executable as requiring executable stack\n"));
fb42df5e
AM
2419EOF
2420
2421if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2422fragment <<EOF
442996ee 2423 fprintf (file, _("\
b039ef04
L
2424 -z global Make symbols in DSO available for subsequently\n\
2425 loaded objects\n"));
2426 fprintf (file, _("\
442996ee
AM
2427 -z initfirst Mark DSO to be initialized first at runtime\n"));
2428 fprintf (file, _("\
2429 -z interpose Mark object to interpose all DSOs but executable\n"));
2430 fprintf (file, _("\
2431 -z lazy Mark object lazy runtime binding (default)\n"));
2432 fprintf (file, _("\
2433 -z loadfltr Mark object requiring immediate process\n"));
fb42df5e
AM
2434EOF
2435fi
2436
2437fragment <<EOF
2438 fprintf (file, _("\
2439 -z max-page-size=SIZE Set maximum page size to SIZE\n"));
442996ee
AM
2440 fprintf (file, _("\
2441 -z muldefs Allow multiple definitions\n"));
fb42df5e
AM
2442EOF
2443
2444if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2445fragment <<EOF
442996ee
AM
2446 fprintf (file, _("\
2447 -z nocombreloc Don't merge dynamic relocs into one section\n"));
2448 fprintf (file, _("\
2449 -z nocopyreloc Don't create copy relocs\n"));
2450 fprintf (file, _("\
2451 -z nodefaultlib Mark object not to use default search paths\n"));
2452 fprintf (file, _("\
2453 -z nodelete Mark DSO non-deletable at runtime\n"));
2454 fprintf (file, _("\
2455 -z nodlopen Mark DSO not available to dlopen\n"));
2456 fprintf (file, _("\
2457 -z nodump Mark DSO not available to dldump\n"));
fb42df5e
AM
2458EOF
2459fi
2460fragment <<EOF
442996ee
AM
2461 fprintf (file, _("\
2462 -z noexecstack Mark executable as not requiring executable stack\n"));
88b882e9 2463EOF
fb42df5e 2464if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2465fragment <<EOF
442996ee
AM
2466 fprintf (file, _("\
2467 -z norelro Don't create RELRO program header\n"));
442996ee
AM
2468 fprintf (file, _("\
2469 -z now Mark object non-lazy runtime binding\n"));
2470 fprintf (file, _("\
2471 -z origin Mark object requiring immediate \$ORIGIN\n\
2472 processing at runtime\n"));
442996ee
AM
2473 fprintf (file, _("\
2474 -z relro Create RELRO program header\n"));
07e15f87
NS
2475 fprintf (file, _("\
2476 -z stacksize=SIZE Set size of stack segment\n"));
88b882e9 2477EOF
e0ee487b
L
2478fi
2479
2480if test -n "$PARSE_AND_LIST_OPTIONS" ; then
92b93329 2481fragment <<EOF
e0ee487b
L
2482 $PARSE_AND_LIST_OPTIONS
2483EOF
2484fi
2485
92b93329 2486fragment <<EOF
e0ee487b
L
2487}
2488EOF
e0ee487b
L
2489
2490if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
92b93329 2491fragment <<EOF
e0ee487b
L
2492 $PARSE_AND_LIST_EPILOGUE
2493EOF
2494fi
41392f03 2495fi
e0ee487b 2496
92b93329 2497fragment <<EOF
252b5132 2498
60bcf0fa 2499struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 2500{
41392f03
AM
2501 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
2502 ${LDEMUL_SYSLIB-syslib_default},
2503 ${LDEMUL_HLL-hll_default},
2504 ${LDEMUL_AFTER_PARSE-after_parse_default},
2505 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
eaeb0a9d 2506 ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
41392f03
AM
2507 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
2508 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
2509 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
2510 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
2511 "${EMULATION_NAME}",
2512 "${OUTPUT_FORMAT}",
eaeb0a9d 2513 ${LDEMUL_FINISH-finish_default},
41392f03
AM
2514 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
2515 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
2516 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
2517 ${LDEMUL_SET_SYMBOLS-NULL},
3bcf5557
AM
2518 ${LDEMUL_PARSE_ARGS-NULL},
2519 gld${EMULATION_NAME}_add_options,
2520 gld${EMULATION_NAME}_handle_option,
41392f03 2521 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
4b209b22 2522 ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
4a43e768 2523 ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
41392f03 2524 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
fac1652d 2525 ${LDEMUL_NEW_VERS_PATTERN-NULL}
252b5132
RH
2526};
2527EOF
This page took 0.729593 seconds and 4 git commands to generate.