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* ld-size/size.exp (build_tests <size-7, size-8>): Pass
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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`;
4724d37e 107 config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
252b5132
RH
108}
109
41392f03
AM
110EOF
111fi
112
4a43e768 113if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
92b93329 114fragment <<EOF
ddbb8a31 115/* Handle the generation of DT_NEEDED tags. */
4a43e768
AM
116
117static bfd_boolean
118gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
119{
96d56e9f 120 int link_class = 0;
4a43e768
AM
121
122 /* Tell the ELF linker that we don't want the output file to have a
123 DT_NEEDED entry for this file, unless it is used to resolve
124 references in a regular object. */
66be1055 125 if (entry->flags.add_DT_NEEDED_for_regular)
96d56e9f 126 link_class = DYN_AS_NEEDED;
e56f61be
L
127
128 /* Tell the ELF linker that we don't want the output file to have a
129 DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
130 this file at all. */
66be1055 131 if (!entry->flags.add_DT_NEEDED_for_dynamic)
96d56e9f 132 link_class |= DYN_NO_ADD_NEEDED;
e56f61be 133
66be1055 134 if (entry->flags.just_syms
12b9ff6c
L
135 && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
136 einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
137 entry->the_bfd);
138
ddbb8a31 139 if (link_class == 0
e56f61be
L
140 || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
141 return FALSE;
142
1e9cc1c2 143 bfd_elf_set_dyn_lib_class (entry->the_bfd,
4724d37e 144 (enum dynamic_lib_link_class) link_class);
4a43e768
AM
145
146 /* Continue on with normal load_symbols processing. */
147 return FALSE;
148}
149EOF
150fi
151
92b93329 152fragment <<EOF
252b5132
RH
153
154/* These variables are required to pass information back and forth
155 between after_open and check_needed and stat_needed and vercheck. */
156
157static struct bfd_link_needed_list *global_needed;
158static struct stat global_stat;
e13629bc 159static lang_input_statement_type *global_found;
252b5132 160static struct bfd_link_needed_list *global_vercheck_needed;
b34976b6 161static bfd_boolean global_vercheck_failed;
252b5132 162
7ee314fa
AM
163/* These variables are used to implement target options */
164
165static char *audit; /* colon (typically) separated list of libs */
166static char *depaudit; /* colon (typically) separated list of libs */
252b5132 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))
447 einfo ("%F%B: could not read symbols: %E\n", abfd);
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
RM
892static bfd_size_type
893gld${EMULATION_NAME}_id_note_section_size (bfd *abfd,
91d6fa6a 894 struct bfd_link_info *linfo)
24382dca 895{
91d6fa6a 896 const char *style = linfo->emit_note_gnu_build_id;
24382dca
RM
897 bfd_size_type size;
898
899 abfd = abfd;
900
901 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
902 size = (size + 3) & -(bfd_size_type) 4;
903
904 if (!strcmp (style, "md5") || !strcmp (style, "uuid"))
905 size += 128 / 8;
906 else if (!strcmp (style, "sha1"))
907 size += 160 / 8;
908 else if (!strncmp (style, "0x", 2))
909 {
910 /* ID is in string form (hex). Convert to bits. */
911 const char *id = style + 2;
912 do
913 {
914 if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
915 {
916 ++size;
917 id += 2;
918 }
919 else if (*id == '-' || *id == ':')
920 ++id;
921 else
922 {
923 size = 0;
924 break;
925 }
926 } while (*id != '\0');
927 }
928 else
929 size = 0;
930
931 return size;
932}
933
934static unsigned char
935read_hex (const char xdigit)
936{
937 if (ISDIGIT (xdigit))
938 return xdigit - '0';
939 if (ISUPPER (xdigit))
940 return xdigit - 'A' + 0xa;
941 if (ISLOWER (xdigit))
942 return xdigit - 'a' + 0xa;
943 abort ();
944 return 0;
945}
946
947struct build_id_info
948{
949 const char *style;
950 asection *sec;
951};
952
953static bfd_boolean
954gld${EMULATION_NAME}_write_build_id_section (bfd *abfd)
955{
956 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1e9cc1c2 957 struct build_id_info *info = (struct build_id_info *)
24382dca
RM
958 elf_tdata (abfd)->after_write_object_contents_info;
959 asection *asec;
960 Elf_Internal_Shdr *i_shdr;
961 unsigned char *contents, *id_bits;
962 bfd_size_type size;
963 Elf_External_Note *e_note;
964
965 asec = info->sec;
83e4970b 966 if (bfd_is_abs_section (asec->output_section))
24382dca 967 {
83e4970b
AM
968 einfo (_("%P: warning: .note.gnu.build-id section discarded,"
969 " --build-id ignored.\n"));
970 return TRUE;
24382dca
RM
971 }
972 i_shdr = &elf_section_data (asec->output_section)->this_hdr;
973
974 if (i_shdr->contents == NULL)
975 {
b2ff8454 976 if (asec->contents == NULL)
1e9cc1c2 977 asec->contents = (unsigned char *) xmalloc (asec->size);
b2ff8454 978 contents = asec->contents;
24382dca 979 }
b2ff8454
RM
980 else
981 contents = i_shdr->contents + asec->output_offset;
24382dca 982
1e9cc1c2 983 e_note = (Elf_External_Note *) contents;
24382dca
RM
984 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
985 size = (size + 3) & -(bfd_size_type) 4;
986 id_bits = contents + size;
987 size = asec->size - size;
988
989 bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
990 bfd_h_put_32 (abfd, size, &e_note->descsz);
991 bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
992 memcpy (e_note->name, "GNU", sizeof "GNU");
993
994 if (!strcmp (info->style, "md5"))
995 {
996 struct md5_ctx ctx;
997 md5_init_ctx (&ctx);
998 if (bed->s->checksum_contents (abfd,
999 (void (*) (const void *, size_t, void *))
1000 &md5_process_bytes,
1001 &ctx))
1002 md5_finish_ctx (&ctx, id_bits);
1003 else
1004 return FALSE;
1005 }
1006 else if (!strcmp (info->style, "sha1"))
1007 {
1008 struct sha1_ctx ctx;
1009 sha1_init_ctx (&ctx);
1010 if (bed->s->checksum_contents (abfd,
1011 (void (*) (const void *, size_t, void *))
1012 &sha1_process_bytes,
1013 &ctx))
1014 sha1_finish_ctx (&ctx, id_bits);
1015 else
1016 return FALSE;
1017 }
1018 else if (!strcmp (info->style, "uuid"))
1019 {
1020 int n;
1021 int fd = open ("/dev/urandom", O_RDONLY);
1022 if (fd < 0)
1023 return FALSE;
1024 n = read (fd, id_bits, size);
1025 close (fd);
1026 if (n < (int) size)
1027 return FALSE;
1028 }
1029 else if (!strncmp (info->style, "0x", 2))
1030 {
1031 /* ID is in string form (hex). Convert to bits. */
1032 const char *id = info->style + 2;
1033 size_t n = 0;
1034 do
1035 {
1036 if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
1037 {
1038 id_bits[n] = read_hex (*id++) << 4;
1039 id_bits[n++] |= read_hex (*id++);
1040 }
1041 else if (*id == '-' || *id == ':')
1042 ++id;
1043 else
1044 abort (); /* Should have been validated earlier. */
1045 } while (*id != '\0');
1046 }
1047 else
1048 abort (); /* Should have been validated earlier. */
1049
b2ff8454
RM
1050 size = asec->size;
1051 return (bfd_seek (abfd,
1052 i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0
1053 && bfd_bwrite (contents, size, abfd) == size);
24382dca
RM
1054}
1055
1056
04925e1e 1057/* This is called after all the input files have been opened. */
252b5132
RH
1058
1059static void
0c7a8e5a 1060gld${EMULATION_NAME}_after_open (void)
252b5132 1061{
04925e1e 1062 struct bfd_link_needed_list *needed, *l;
d10e7fcc
AM
1063 struct elf_link_hash_table *htab;
1064
5c3049d2
AM
1065 after_open_default ();
1066
d10e7fcc
AM
1067 htab = elf_hash_table (&link_info);
1068 if (!is_elf_hash_table (htab))
1069 return;
252b5132 1070
c0065db7
RM
1071 if (link_info.emit_note_gnu_build_id)
1072 {
1073 bfd *abfd;
1074 asection *s;
1075 bfd_size_type size;
1076
a654efd6
L
1077 /* Find an ELF input. */
1078 for (abfd = link_info.input_bfds;
1079 abfd != (bfd *) NULL; abfd = abfd->link_next)
1080 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1081 break;
c0065db7 1082
e9e0a58e 1083 if (abfd == NULL)
c0065db7 1084 {
e9e0a58e
NC
1085 /* PR 10555: If there are no input files do not
1086 try to create a .note.gnu-build-id section. */
c0065db7
RM
1087 free (link_info.emit_note_gnu_build_id);
1088 link_info.emit_note_gnu_build_id = NULL;
1089 }
1090 else
1091 {
e9e0a58e
NC
1092 size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info);
1093 if (size == 0)
c0065db7 1094 {
e9e0a58e
NC
1095 einfo ("%P: warning: unrecognized --build-id style ignored.\n");
1096 free (link_info.emit_note_gnu_build_id);
1097 link_info.emit_note_gnu_build_id = NULL;
c0065db7
RM
1098 }
1099 else
1100 {
e9e0a58e
NC
1101 s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id",
1102 SEC_ALLOC | SEC_LOAD
1103 | SEC_IN_MEMORY | SEC_LINKER_CREATED
1104 | SEC_READONLY | SEC_DATA);
1105 if (s != NULL && bfd_set_section_alignment (abfd, s, 2))
1106 {
1107 struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
1e9cc1c2 1108 struct build_id_info *b =
4724d37e 1109 (struct build_id_info *) xmalloc (sizeof *b);
e9e0a58e
NC
1110
1111 b->style = link_info.emit_note_gnu_build_id;
1112 b->sec = s;
1113 elf_section_type (s) = SHT_NOTE;
1114 s->size = size;
1115 t->after_write_object_contents
1116 = &gld${EMULATION_NAME}_write_build_id_section;
1117 t->after_write_object_contents_info = b;
1118 }
1119 else
1120 {
1121 einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
1122 " --build-id ignored.\n");
1123 free (link_info.emit_note_gnu_build_id);
1124 link_info.emit_note_gnu_build_id = NULL;
1125 }
c0065db7
RM
1126 }
1127 }
1128 }
1129
d10e7fcc
AM
1130 if (link_info.relocatable)
1131 return;
1132
eb3d5f3b 1133 if (link_info.eh_frame_hdr
d10e7fcc 1134 && !link_info.traditional_format)
eb3d5f3b 1135 {
a654efd6
L
1136 bfd *abfd, *elfbfd = NULL;
1137 bfd_boolean warn_eh_frame = FALSE;
d10e7fcc 1138 asection *s;
eb3d5f3b 1139
d10e7fcc 1140 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
eb3d5f3b 1141 {
a654efd6
L
1142 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1143 elfbfd = abfd;
4440bb77
L
1144 if (!warn_eh_frame)
1145 {
1146 s = bfd_get_section_by_name (abfd, ".eh_frame");
9cf8b46e
AM
1147 while (s != NULL
1148 && (s->size <= 8
1149 || bfd_is_abs_section (s->output_section)))
1150 s = bfd_get_next_section_by_name (s);
1151 warn_eh_frame = s != NULL;
4440bb77
L
1152 }
1153 if (elfbfd && warn_eh_frame)
1154 break;
d10e7fcc 1155 }
a654efd6 1156 if (elfbfd)
d10e7fcc
AM
1157 {
1158 const struct elf_backend_data *bed;
1159
a654efd6
L
1160 bed = get_elf_backend_data (elfbfd);
1161 s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr",
1162 bed->dynamic_sec_flags
1163 | SEC_READONLY);
d10e7fcc 1164 if (s != NULL
a654efd6
L
1165 && bfd_set_section_alignment (elfbfd, s, 2))
1166 {
1167 htab->eh_info.hdr_sec = s;
1168 warn_eh_frame = FALSE;
1169 }
eb3d5f3b 1170 }
a654efd6
L
1171 if (warn_eh_frame)
1172 einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
1173 " --eh-frame-hdr ignored.\n");
eb3d5f3b
JB
1174 }
1175
04925e1e
AM
1176 /* Get the list of files which appear in DT_NEEDED entries in
1177 dynamic objects included in the link (often there will be none).
1178 For each such file, we want to track down the corresponding
1179 library, and include the symbol table in the link. This is what
1180 the runtime dynamic linker will do. Tracking the files down here
1181 permits one dynamic object to include another without requiring
1182 special action by the person doing the link. Note that the
1183 needed list can actually grow while we are stepping through this
1184 loop. */
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 1192 /* If the lib that needs this one was --as-needed and wasn't
8fbb09e8
L
1193 found to be needed, then this lib isn't needed either. Skip
1194 the lib when creating a shared object unless we are copying
1195 DT_NEEDED entres. */
7e9f0867 1196 if (l->by != NULL
8fbb09e8
L
1197 && ((bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0
1198 || (!link_info.executable
1199 && bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0))
7e9f0867
AM
1200 continue;
1201
04925e1e
AM
1202 /* If we've already seen this file, skip it. */
1203 for (ll = needed; ll != l; ll = ll->next)
7e9f0867
AM
1204 if ((ll->by == NULL
1205 || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
1206 && strcmp (ll->name, l->name) == 0)
04925e1e
AM
1207 break;
1208 if (ll != l)
1209 continue;
252b5132 1210
04925e1e
AM
1211 /* See if this file was included in the link explicitly. */
1212 global_needed = l;
e13629bc 1213 global_found = NULL;
04925e1e 1214 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
e13629bc
AM
1215 if (global_found != NULL
1216 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
1217 & DYN_AS_NEEDED) == 0)
04925e1e 1218 continue;
252b5132 1219
e56f61be
L
1220 n.by = l->by;
1221 n.name = l->name;
1222 nn.by = l->by;
cd6f1cf3 1223 if (verbose)
ec4eb78a
L
1224 info_msg (_("%s needed by %B\n"), l->name, l->by);
1225
e13629bc
AM
1226 /* As-needed libs specified on the command line (or linker script)
1227 take priority over libs found in search dirs. */
1228 if (global_found != NULL)
1229 {
1230 nn.name = global_found->filename;
1231 if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
1232 continue;
1233 }
1234
04925e1e
AM
1235 /* We need to find this file and include the symbol table. We
1236 want to search for the file in the same way that the dynamic
1237 linker will search. That means that we want to use
1238 rpath_link, rpath, then the environment variable
ec4eb78a
L
1239 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
1240 entries (native only), then the linker script LIB_SEARCH_DIRS.
1241 We do not search using the -L arguments.
252b5132 1242
04925e1e
AM
1243 We search twice. The first time, we skip objects which may
1244 introduce version mismatches. The second time, we force
1245 their use. See gld${EMULATION_NAME}_vercheck comment. */
1246 for (force = 0; force < 2; force++)
1247 {
04925e1e
AM
1248 size_t len;
1249 search_dirs_type *search;
6dd8c765 1250EOF
ff925e69 1251if [ "x${NATIVE}" = xyes ] ; then
92b93329 1252fragment <<EOF
dcb0bd0e 1253 const char *lib_path;
ff925e69
KK
1254EOF
1255fi
1256if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1257fragment <<EOF
6dd8c765
L
1258 struct bfd_link_needed_list *rp;
1259 int found;
1260EOF
6dd8c765 1261fi
92b93329 1262fragment <<EOF
252b5132 1263
04925e1e 1264 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
e56f61be 1265 &n, force))
04925e1e 1266 break;
dcb0bd0e 1267EOF
9c8ebd6a 1268if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1269fragment <<EOF
04925e1e 1270 if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
e56f61be 1271 &n, force))
04925e1e 1272 break;
9c8ebd6a
DJ
1273EOF
1274fi
1275if [ "x${NATIVE}" = xyes ] ; then
92b93329 1276fragment <<EOF
04925e1e
AM
1277 if (command_line.rpath_link == NULL
1278 && command_line.rpath == NULL)
1279 {
1280 lib_path = (const char *) getenv ("LD_RUN_PATH");
e56f61be 1281 if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
04925e1e
AM
1282 force))
1283 break;
1284 }
04925e1e 1285 lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
e56f61be 1286 if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force))
04925e1e 1287 break;
9c8ebd6a
DJ
1288EOF
1289fi
1290if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1291fragment <<EOF
ec4eb78a 1292 found = 0;
f13a99db 1293 rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
6dd8c765 1294 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a 1295 {
9c8ebd6a 1296 char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
ec4eb78a 1297 found = (rp->by == l->by
9c8ebd6a 1298 && gld${EMULATION_NAME}_search_needed (tmpname,
e56f61be 1299 &n,
ec4eb78a 1300 force));
9c8ebd6a 1301 free (tmpname);
ec4eb78a
L
1302 }
1303 if (found)
1304 break;
1305
04925e1e 1306EOF
04925e1e 1307fi
c1446dba
L
1308if [ "x${USE_LIBPATH}" = xyes ] ; then
1309 case ${target} in
ebe1fac1 1310 *-*-freebsd* | *-*-dragonfly*)
92b93329 1311 fragment <<EOF
d5c8b1f8 1312 if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force))
ebe1fac1
NC
1313 break;
1314EOF
1315 # FreeBSD
1316 ;;
1317
a5244b7e 1318 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
c1446dba 1319 # Linux
92b93329 1320 fragment <<EOF
d5c8b1f8 1321 if (gld${EMULATION_NAME}_check_ld_so_conf (l, force))
c1446dba
L
1322 break;
1323
1324EOF
1325 ;;
1326 esac
1327fi
92b93329 1328fragment <<EOF
04925e1e
AM
1329 len = strlen (l->name);
1330 for (search = search_head; search != NULL; search = search->next)
1331 {
1332 char *filename;
252b5132 1333
04925e1e
AM
1334 if (search->cmdline)
1335 continue;
1336 filename = (char *) xmalloc (strlen (search->name) + len + 2);
1337 sprintf (filename, "%s/%s", search->name, l->name);
e56f61be
L
1338 nn.name = filename;
1339 if (gld${EMULATION_NAME}_try_needed (&nn, force))
04925e1e
AM
1340 break;
1341 free (filename);
1342 }
1343 if (search != NULL)
1344 break;
1345EOF
92b93329 1346fragment <<EOF
04925e1e 1347 }
252b5132 1348
04925e1e
AM
1349 if (force < 2)
1350 continue;
252b5132 1351
e374f1d9 1352 einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
04925e1e
AM
1353 l->name, l->by);
1354 }
1355}
252b5132 1356
41392f03
AM
1357EOF
1358fi
1359
92b93329 1360fragment <<EOF
252b5132 1361
04925e1e 1362/* Look through an expression for an assignment statement. */
252b5132 1363
04925e1e 1364static void
0c7a8e5a 1365gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
04925e1e 1366{
4ea42fb7 1367 bfd_boolean provide = FALSE;
04925e1e
AM
1368
1369 switch (exp->type.node_class)
252b5132 1370 {
04925e1e 1371 case etree_provide:
bded3693 1372 case etree_provided:
4ea42fb7
AM
1373 provide = TRUE;
1374 /* Fall thru */
1375 case etree_assign:
04925e1e
AM
1376 /* We call record_link_assignment even if the symbol is defined.
1377 This is because if it is defined by a dynamic object, we
1378 actually want to use the value defined by the linker script,
1379 not the value from the dynamic object (because we are setting
1380 symbols like etext). If the symbol is defined by a regular
1381 object, then, as it happens, calling record_link_assignment
1382 will do no harm. */
04925e1e 1383 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 1384 {
f13a99db
AM
1385 if (!bfd_elf_record_link_assignment (link_info.output_bfd,
1386 &link_info,
fe21a8fc
L
1387 exp->assign.dst, provide,
1388 exp->assign.hidden))
04925e1e
AM
1389 einfo ("%P%F: failed to record assignment to %s: %E\n",
1390 exp->assign.dst);
252b5132 1391 }
04925e1e
AM
1392 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1393 break;
252b5132 1394
04925e1e
AM
1395 case etree_binary:
1396 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1397 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1398 break;
252b5132 1399
04925e1e
AM
1400 case etree_trinary:
1401 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1402 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1403 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1404 break;
252b5132 1405
04925e1e
AM
1406 case etree_unary:
1407 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1408 break;
252b5132 1409
04925e1e
AM
1410 default:
1411 break;
252b5132
RH
1412 }
1413}
1414
04925e1e
AM
1415
1416/* This is called by the before_allocation routine via
1417 lang_for_each_statement. It locates any assignment statements, and
1418 tells the ELF backend about them, in case they are assignments to
1419 symbols which are referred to by dynamic objects. */
1420
1421static void
0c7a8e5a 1422gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
04925e1e
AM
1423{
1424 if (s->header.type == lang_assignment_statement_enum)
1425 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1426}
1427
41392f03
AM
1428EOF
1429
1430if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
57e6abd2
AO
1431 if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
1432 ELF_INTERPRETER_SET_DEFAULT="
1433 if (sinterp != NULL)
1434 {
5718918d
AM
1435 sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
1436 sinterp->size = strlen ((char *) sinterp->contents) + 1;
57e6abd2
AO
1437 }
1438
1439"
1440 else
1441 ELF_INTERPRETER_SET_DEFAULT=
1442 fi
92b93329 1443fragment <<EOF
04925e1e 1444
7ee314fa 1445/* used by before_allocation and handle_option. */
4724d37e 1446static void
91d6fa6a 1447gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg)
7ee314fa
AM
1448{
1449 if (*to == NULL)
91d6fa6a 1450 *to = xstrdup (op_arg);
7ee314fa
AM
1451 else
1452 {
1453 size_t to_len = strlen (*to);
91d6fa6a 1454 size_t op_arg_len = strlen (op_arg);
7ee314fa
AM
1455 char *buf;
1456 char *cp = *to;
1457
1458 /* First see whether OPTARG is already in the path. */
1459 do
1460 {
91d6fa6a
NC
1461 if (strncmp (op_arg, cp, op_arg_len) == 0
1462 && (cp[op_arg_len] == 0
1463 || cp[op_arg_len] == config.rpath_separator))
7ee314fa
AM
1464 /* We found it. */
1465 break;
1466
1467 /* Not yet found. */
1468 cp = strchr (cp, config.rpath_separator);
1469 if (cp != NULL)
1470 ++cp;
1471 }
1472 while (cp != NULL);
1473
1474 if (cp == NULL)
1475 {
91d6fa6a 1476 buf = xmalloc (to_len + op_arg_len + 2);
7ee314fa 1477 sprintf (buf, "%s%c%s", *to,
91d6fa6a 1478 config.rpath_separator, op_arg);
7ee314fa
AM
1479 free (*to);
1480 *to = buf;
1481 }
1482 }
1483}
1484
252b5132
RH
1485/* This is called after the sections have been attached to output
1486 sections, but before any sizes or addresses have been set. */
1487
1488static void
0c7a8e5a 1489gld${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1490{
1491 const char *rpath;
1492 asection *sinterp;
7ee314fa 1493 bfd *abfd;
252b5132 1494
fd574c46 1495 if (link_info.hash->type == bfd_link_elf_hash_table)
f13a99db 1496 _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
e1918d23 1497
252b5132
RH
1498 /* If we are going to make any variable assignments, we need to let
1499 the ELF backend know about them in case the variables are
1500 referred to by dynamic objects. */
1501 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
1502
1503 /* Let the ELF backend work out the sizes of any sections required
1504 by dynamic linking. */
1505 rpath = command_line.rpath;
1506 if (rpath == NULL)
1507 rpath = (const char *) getenv ("LD_RUN_PATH");
7ee314fa
AM
1508
1509 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
8dd881b6
L
1510 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1511 {
1512 const char *audit_libs = elf_dt_audit (abfd);
7ee314fa 1513
4724d37e 1514 /* If the input bfd contains an audit entry, we need to add it as
8dd881b6
L
1515 a dep audit entry. */
1516 if (audit_libs && *audit_libs != '\0')
1517 {
1518 char *cp = xstrdup (audit_libs);
1519 do
1520 {
1521 int more = 0;
1522 char *cp2 = strchr (cp, config.rpath_separator);
7ee314fa 1523
8dd881b6
L
1524 if (cp2)
1525 {
1526 *cp2 = '\0';
1527 more = 1;
1528 }
7ee314fa 1529
8dd881b6
L
1530 if (cp != NULL && *cp != '\0')
1531 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp);
1532
1533 cp = more ? ++cp2 : NULL;
1534 }
1535 while (cp != NULL);
1536 }
1537 }
7ee314fa 1538
5a580b3a 1539 if (! (bfd_elf_size_dynamic_sections
f13a99db 1540 (link_info.output_bfd, command_line.soname, rpath,
7ee314fa 1541 command_line.filter_shlib, audit, depaudit,
252b5132 1542 (const char * const *) command_line.auxiliary_filters,
fd91d419 1543 &link_info, &sinterp)))
252b5132 1544 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
8423293d 1545
57e6abd2 1546${ELF_INTERPRETER_SET_DEFAULT}
252b5132
RH
1547 /* Let the user override the dynamic linker we are using. */
1548 if (command_line.interpreter != NULL
1549 && sinterp != NULL)
1550 {
1551 sinterp->contents = (bfd_byte *) command_line.interpreter;
eea6121a 1552 sinterp->size = strlen (command_line.interpreter) + 1;
252b5132
RH
1553 }
1554
1555 /* Look for any sections named .gnu.warning. As a GNU extensions,
1556 we treat such sections as containing warning messages. We print
1557 out the warning message, and then zero out the section size so
1558 that it does not get copied into the output file. */
1559
1560 {
1561 LANG_FOR_EACH_INPUT_STATEMENT (is)
1562 {
1563 asection *s;
1564 bfd_size_type sz;
1565 char *msg;
b34976b6 1566 bfd_boolean ret;
252b5132 1567
66be1055 1568 if (is->flags.just_syms)
252b5132
RH
1569 continue;
1570
1571 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
1572 if (s == NULL)
1573 continue;
1574
eea6121a 1575 sz = s->size;
1e9cc1c2 1576 msg = (char *) xmalloc ((size_t) (sz + 1));
bc251d50 1577 if (! bfd_get_section_contents (is->the_bfd, s, msg,
8c675694 1578 (file_ptr) 0, sz))
252b5132
RH
1579 einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
1580 is->the_bfd);
bc251d50 1581 msg[sz] = '\0';
252b5132
RH
1582 ret = link_info.callbacks->warning (&link_info, msg,
1583 (const char *) NULL,
1584 is->the_bfd, (asection *) NULL,
1585 (bfd_vma) 0);
1586 ASSERT (ret);
1587 free (msg);
1588
9e3be61d
AM
1589 /* Clobber the section size, so that we don't waste space
1590 copying the warning into the output file. If we've already
1591 sized the output section, adjust its size. The adjustment
1592 is on rawsize because targets that size sections early will
1593 have called lang_reset_memory_regions after sizing. */
1594 if (s->output_section != NULL
1595 && s->output_section->rawsize >= s->size)
1596 s->output_section->rawsize -= s->size;
1597
eea6121a 1598 s->size = 0;
11d2f718 1599
9e3be61d
AM
1600 /* Also set SEC_EXCLUDE, so that local symbols defined in the
1601 warning section don't get copied to the output. */
a14a5de3 1602 s->flags |= SEC_EXCLUDE | SEC_KEEP;
252b5132
RH
1603 }
1604 }
8423293d 1605
1e035701 1606 before_allocation_default ();
8423293d 1607
f13a99db 1608 if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
8423293d 1609 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
252b5132
RH
1610}
1611
41392f03
AM
1612EOF
1613fi
1614
1615if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
92b93329 1616fragment <<EOF
252b5132 1617
04925e1e
AM
1618/* Try to open a dynamic archive. This is where we know that ELF
1619 dynamic libraries have an extension of .so (or .sl on oddball systems
1620 like hpux). */
1621
b34976b6 1622static bfd_boolean
0c7a8e5a
AM
1623gld${EMULATION_NAME}_open_dynamic_archive
1624 (const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
252b5132 1625{
04925e1e
AM
1626 const char *filename;
1627 char *string;
252b5132 1628
66be1055 1629 if (! entry->flags.maybe_archive)
b34976b6 1630 return FALSE;
252b5132 1631
04925e1e 1632 filename = entry->filename;
252b5132 1633
04925e1e
AM
1634 /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
1635 is defined, but it does not seem worth the headache to optimize
1636 away those two bytes of space. */
1637 string = (char *) xmalloc (strlen (search->name)
1638 + strlen (filename)
1639 + strlen (arch)
1640#ifdef EXTRA_SHLIB_EXTENSION
1641 + strlen (EXTRA_SHLIB_EXTENSION)
1642#endif
1643 + sizeof "/lib.so");
1644
1645 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
1646
1647#ifdef EXTRA_SHLIB_EXTENSION
1648 /* Try the .so extension first. If that fails build a new filename
1649 using EXTRA_SHLIB_EXTENSION. */
1650 if (! ldfile_try_open_bfd (string, entry))
a26cc967
AM
1651 {
1652 sprintf (string, "%s/lib%s%s%s", search->name,
1653 filename, arch, EXTRA_SHLIB_EXTENSION);
04925e1e
AM
1654#endif
1655
1656 if (! ldfile_try_open_bfd (string, entry))
252b5132 1657 {
04925e1e 1658 free (string);
b34976b6 1659 return FALSE;
04925e1e 1660 }
a26cc967
AM
1661#ifdef EXTRA_SHLIB_EXTENSION
1662 }
1663#endif
252b5132 1664
04925e1e 1665 entry->filename = string;
252b5132 1666
04925e1e
AM
1667 /* We have found a dynamic object to include in the link. The ELF
1668 backend linker will create a DT_NEEDED entry in the .dynamic
1669 section naming this file. If this file includes a DT_SONAME
1670 entry, it will be used. Otherwise, the ELF linker will just use
1671 the name of the file. For an archive found by searching, like
1672 this one, the DT_NEEDED entry should consist of just the name of
1673 the file, without the path information used to find it. Note
1674 that we only need to do this if we have a dynamic object; an
1675 archive will never be referenced by a DT_NEEDED entry.
252b5132 1676
04925e1e
AM
1677 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
1678 very pretty. I haven't been able to think of anything that is
1679 pretty, though. */
1680 if (bfd_check_format (entry->the_bfd, bfd_object)
1681 && (entry->the_bfd->flags & DYNAMIC) != 0)
1682 {
66be1055 1683 ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs);
252b5132 1684
04925e1e 1685 /* Rather than duplicating the logic above. Just use the
1c9acd94 1686 filename we recorded earlier. */
04925e1e 1687
fed2999d 1688 filename = lbasename (entry->filename);
1c9acd94 1689 bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
04925e1e
AM
1690 }
1691
b34976b6 1692 return TRUE;
04925e1e
AM
1693}
1694
41392f03
AM
1695EOF
1696fi
cde43e70
AM
1697
1698if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
92b93329 1699fragment <<EOF
41392f03 1700
afd7a018 1701/* A variant of lang_output_section_find used by place_orphan. */
04925e1e 1702
04925e1e 1703static lang_output_section_statement_type *
2a36a117 1704output_rel_find (asection *sec, int isdyn)
04925e1e 1705{
04925e1e 1706 lang_output_section_statement_type *lookup;
ba493122 1707 lang_output_section_statement_type *last = NULL;
2a36a117 1708 lang_output_section_statement_type *last_alloc = NULL;
48f2ff54 1709 lang_output_section_statement_type *last_ro_alloc = NULL;
ba493122
AM
1710 lang_output_section_statement_type *last_rel = NULL;
1711 lang_output_section_statement_type *last_rel_alloc = NULL;
24cdb50a 1712 int rela = sec->name[4] == 'a';
04925e1e 1713
afd7a018
AM
1714 for (lookup = &lang_output_section_statement.head->output_section_statement;
1715 lookup != NULL;
1716 lookup = lookup->next)
04925e1e 1717 {
66c103b7 1718 if (lookup->constraint >= 0
0112cd26 1719 && CONST_STRNEQ (lookup->name, ".rel"))
04925e1e 1720 {
24cdb50a 1721 int lookrela = lookup->name[4] == 'a';
ba493122 1722
2a36a117
AM
1723 /* .rel.dyn must come before all other reloc sections, to suit
1724 GNU ld.so. */
1725 if (isdyn)
1726 break;
1727
1728 /* Don't place after .rel.plt as doing so results in wrong
1729 dynamic tags. */
1730 if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
ba493122 1731 break;
2a36a117
AM
1732
1733 if (rela == lookrela || last_rel == NULL)
24cdb50a 1734 last_rel = lookup;
2a36a117
AM
1735 if ((rela == lookrela || last_rel_alloc == NULL)
1736 && lookup->bfd_section != NULL
ba493122
AM
1737 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1738 last_rel_alloc = lookup;
04925e1e 1739 }
2a36a117
AM
1740
1741 last = lookup;
1742 if (lookup->bfd_section != NULL
1743 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
48f2ff54
AM
1744 {
1745 last_alloc = lookup;
1746 if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
1747 last_ro_alloc = lookup;
1748 }
252b5132 1749 }
ba493122
AM
1750
1751 if (last_rel_alloc)
1752 return last_rel_alloc;
1753
1754 if (last_rel)
1755 return last_rel;
1756
48f2ff54
AM
1757 if (last_ro_alloc)
1758 return last_ro_alloc;
1759
2a36a117
AM
1760 if (last_alloc)
1761 return last_alloc;
1762
ba493122 1763 return last;
252b5132
RH
1764}
1765
1766/* Place an orphan section. We use this to put random SHF_ALLOC
1767 sections in the right segment. */
1768
c2edb4b8 1769static lang_output_section_statement_type *
8a99a385
AM
1770gld${EMULATION_NAME}_place_orphan (asection *s,
1771 const char *secname,
1772 int constraint)
252b5132 1773{
afd7a018
AM
1774 static struct orphan_save hold[] =
1775 {
1776 { ".text",
1777 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1778 0, 0, 0, 0 },
1779 { ".rodata",
1780 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1781 0, 0, 0, 0 },
1782 { ".data",
1783 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1784 0, 0, 0, 0 },
1785 { ".bss",
1786 SEC_ALLOC,
1787 0, 0, 0, 0 },
1788 { 0,
1789 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1790 0, 0, 0, 0 },
1791 { ".interp",
1792 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1793 0, 0, 0, 0 },
1794 { ".sdata",
1795 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
07890c07 1796 0, 0, 0, 0 },
175b7cd4 1797 { ".comment",
07890c07
AM
1798 SEC_HAS_CONTENTS,
1799 0, 0, 0, 0 },
afd7a018
AM
1800 };
1801 enum orphan_save_index
1802 {
1803 orphan_text = 0,
1804 orphan_rodata,
1805 orphan_data,
1806 orphan_bss,
1807 orphan_rel,
1808 orphan_interp,
07890c07
AM
1809 orphan_sdata,
1810 orphan_nonalloc
afd7a018
AM
1811 };
1812 static int orphan_init_done = 0;
6a345e87 1813 struct orphan_save *place;
afd7a018 1814 lang_output_section_statement_type *after;
252b5132 1815 lang_output_section_statement_type *os;
b5f14a6d 1816 lang_output_section_statement_type *match_by_name = NULL;
24cdb50a 1817 int isdyn = 0;
ecca9871
L
1818 int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
1819 unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
252b5132 1820
1049f94e 1821 if (! link_info.relocatable
24cdb50a 1822 && link_info.combreloc
ecca9871 1823 && (s->flags & SEC_ALLOC))
24cdb50a 1824 {
ecca9871
L
1825 if (iself)
1826 switch (sh_type)
1827 {
1828 case SHT_RELA:
1829 secname = ".rela.dyn";
1830 isdyn = 1;
1831 break;
1832 case SHT_REL:
1833 secname = ".rel.dyn";
1834 isdyn = 1;
1835 break;
1836 default:
1837 break;
1838 }
0112cd26 1839 else if (CONST_STRNEQ (secname, ".rel"))
ecca9871
L
1840 {
1841 secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
1842 isdyn = 1;
1843 }
24cdb50a 1844 }
aea4bd9d 1845
bcacc0f5 1846 /* Look through the script to see where to place this section. */
d127ecce
AM
1847 if (constraint == 0)
1848 for (os = lang_output_section_find (secname);
1849 os != NULL;
1850 os = next_matching_output_section_statement (os, 0))
1851 {
1852 /* If we don't match an existing output section, tell
1853 lang_insert_orphan to create a new output section. */
1854 constraint = SPECIAL;
1855
1856 if (os->bfd_section != NULL
1857 && (os->bfd_section->flags == 0
1858 || (_bfd_elf_match_sections_by_type (link_info.output_bfd,
1859 os->bfd_section,
1860 s->owner, s)
1861 && ((s->flags ^ os->bfd_section->flags)
1862 & (SEC_LOAD | SEC_ALLOC)) == 0)))
1863 {
1864 /* We already have an output section statement with this
1865 name, and its bfd section has compatible flags.
1866 If the section already exists but does not have any flags
1867 set, then it has been created by the linker, probably as a
1868 result of a --section-start command line switch. */
b9c361e0 1869 lang_add_section (&os->children, s, NULL, os);
d127ecce
AM
1870 return os;
1871 }
b5f14a6d
DD
1872
1873 /* Save unused output sections in case we can match them
1874 against orphans later. */
1875 if (os->bfd_section == NULL)
1876 match_by_name = os;
d127ecce 1877 }
252b5132 1878
b5f14a6d
DD
1879 /* If we didn't match an active output section, see if we matched an
1880 unused one and use that. */
1881 if (match_by_name)
1882 {
b9c361e0 1883 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
1884 return match_by_name;
1885 }
1886
afd7a018
AM
1887 if (!orphan_init_done)
1888 {
1889 struct orphan_save *ho;
07890c07 1890
afd7a018
AM
1891 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1892 if (ho->name != NULL)
1893 {
1894 ho->os = lang_output_section_find (ho->name);
1895 if (ho->os != NULL && ho->os->flags == 0)
1896 ho->os->flags = ho->flags;
1897 }
1898 orphan_init_done = 1;
1899 }
252b5132
RH
1900
1901 /* If this is a final link, then always put .gnu.warning.SYMBOL
1902 sections into the .text section to get them out of the way. */
36af4a4e 1903 if (link_info.executable
1049f94e 1904 && ! link_info.relocatable
bcacc0f5 1905 && CONST_STRNEQ (s->name, ".gnu.warning.")
afd7a018 1906 && hold[orphan_text].os != NULL)
252b5132 1907 {
c2edb4b8 1908 os = hold[orphan_text].os;
b9c361e0 1909 lang_add_section (&os->children, s, NULL, os);
c2edb4b8 1910 return os;
252b5132
RH
1911 }
1912
1913 /* Decide which segment the section should go in based on the
1914 section name and section flags. We put loadable .note sections
1915 right after the .interp section, so that the PT_NOTE segment is
1916 stored right after the program headers where the OS can read it
1917 in the first page. */
aea4bd9d 1918
71bfc0ae 1919 place = NULL;
07890c07
AM
1920 if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0)
1921 place = &hold[orphan_nonalloc];
1922 else if ((s->flags & SEC_ALLOC) == 0)
71bfc0ae 1923 ;
252b5132 1924 else if ((s->flags & SEC_LOAD) != 0
ecca9871 1925 && ((iself && sh_type == SHT_NOTE)
0112cd26 1926 || (!iself && CONST_STRNEQ (secname, ".note"))))
afd7a018 1927 place = &hold[orphan_interp];
04c932a2 1928 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0)
afd7a018
AM
1929 place = &hold[orphan_bss];
1930 else if ((s->flags & SEC_SMALL_DATA) != 0)
1931 place = &hold[orphan_sdata];
1932 else if ((s->flags & SEC_READONLY) == 0)
1933 place = &hold[orphan_data];
ecca9871 1934 else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
0112cd26 1935 || (!iself && CONST_STRNEQ (secname, ".rel")))
afd7a018
AM
1936 && (s->flags & SEC_LOAD) != 0)
1937 place = &hold[orphan_rel];
1938 else if ((s->flags & SEC_CODE) == 0)
1939 place = &hold[orphan_rodata];
1940 else
1941 place = &hold[orphan_text];
71bfc0ae 1942
afd7a018 1943 after = NULL;
5ba47421 1944 if (place != NULL)
252b5132 1945 {
afd7a018 1946 if (place->os == NULL)
5ba47421 1947 {
afd7a018
AM
1948 if (place->name != NULL)
1949 place->os = lang_output_section_find (place->name);
1950 else
1951 place->os = output_rel_find (s, isdyn);
5ba47421 1952 }
afd7a018
AM
1953 after = place->os;
1954 if (after == NULL)
390fbbf1
AM
1955 after = lang_output_section_find_by_flags
1956 (s, &place->os, _bfd_elf_match_sections_by_type);
afd7a018
AM
1957 if (after == NULL)
1958 /* *ABS* is always the first output section statement. */
1959 after = &lang_output_section_statement.head->output_section_statement;
252b5132
RH
1960 }
1961
c2edb4b8 1962 return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL);
252b5132 1963}
c56feb2b
AM
1964EOF
1965fi
1966
eaeb0a9d 1967if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
92b93329 1968fragment <<EOF
252b5132 1969
deb04cdb 1970static void
eaeb0a9d 1971gld${EMULATION_NAME}_after_allocation (void)
deb04cdb 1972{
f13a99db
AM
1973 bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd,
1974 &link_info);
8ded5a0f 1975 gld${EMULATION_NAME}_map_segments (need_layout);
73d074b4 1976}
41392f03
AM
1977EOF
1978fi
1979
1980if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
92b93329 1981fragment <<EOF
252b5132
RH
1982
1983static char *
0c7a8e5a 1984gld${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
1985EOF
1986
1987if test -n "$COMPILE_IN"
1988then
1989# Scripts compiled in.
1990
1991# sed commands to quote an ld script as a C string.
597e2591 1992sc="-f stringify.sed"
252b5132 1993
92b93329 1994fragment <<EOF
60bcf0fa 1995{
252b5132
RH
1996 *isfile = 0;
1997
1049f94e 1998 if (link_info.relocatable && config.build_constructors)
597e2591 1999 return
252b5132 2000EOF
afd7a018
AM
2001sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2002echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2003sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2004echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2005sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
61585df2 2006if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
afd7a018
AM
2007echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2008sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
db6751f2 2009fi
36af4a4e
JJ
2010if test -n "$GENERATE_PIE_SCRIPT" ; then
2011if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2012echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
2013echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2014echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2015sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
36af4a4e 2016echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2017sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
36af4a4e 2018fi
afd7a018
AM
2019echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
2020sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
36af4a4e 2021fi
252b5132 2022if test -n "$GENERATE_SHLIB_SCRIPT" ; then
82434356 2023if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2024echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
2025echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2026echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2027sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
db6751f2 2028echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2029sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
82434356 2030fi
afd7a018
AM
2031echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
2032sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132 2033fi
82434356 2034if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b 2035echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2036echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018
AM
2037sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
2038echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
2039sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
82434356 2040fi
afd7a018
AM
2041echo ' ; else return' >> e${EMULATION_NAME}.c
2042sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2043echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
2044
2045else
2046# Scripts read from the filesystem.
2047
92b93329 2048fragment <<EOF
60bcf0fa 2049{
252b5132
RH
2050 *isfile = 1;
2051
1049f94e 2052 if (link_info.relocatable && config.build_constructors)
252b5132 2053 return "ldscripts/${EMULATION_NAME}.xu";
1049f94e 2054 else if (link_info.relocatable)
252b5132
RH
2055 return "ldscripts/${EMULATION_NAME}.xr";
2056 else if (!config.text_read_only)
2057 return "ldscripts/${EMULATION_NAME}.xbn";
a060b769
AM
2058EOF
2059if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
2060else
92b93329 2061fragment <<EOF
252b5132
RH
2062 else if (!config.magic_demand_paged)
2063 return "ldscripts/${EMULATION_NAME}.xn";
a060b769
AM
2064EOF
2065fi
36af4a4e
JJ
2066if test -n "$GENERATE_PIE_SCRIPT" ; then
2067if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2068fragment <<EOF
8c37241b 2069 else if (link_info.pie && link_info.combreloc
fbfca19e 2070 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2071 return "ldscripts/${EMULATION_NAME}.xdw";
36af4a4e
JJ
2072 else if (link_info.pie && link_info.combreloc)
2073 return "ldscripts/${EMULATION_NAME}.xdc";
2074EOF
2075fi
92b93329 2076fragment <<EOF
36af4a4e
JJ
2077 else if (link_info.pie)
2078 return "ldscripts/${EMULATION_NAME}.xd";
2079EOF
2080fi
a060b769
AM
2081if test -n "$GENERATE_SHLIB_SCRIPT" ; then
2082if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2083fragment <<EOF
8c37241b 2084 else if (link_info.shared && link_info.combreloc
fbfca19e 2085 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2086 return "ldscripts/${EMULATION_NAME}.xsw";
a060b769
AM
2087 else if (link_info.shared && link_info.combreloc)
2088 return "ldscripts/${EMULATION_NAME}.xsc";
2089EOF
2090fi
92b93329 2091fragment <<EOF
252b5132
RH
2092 else if (link_info.shared)
2093 return "ldscripts/${EMULATION_NAME}.xs";
a060b769
AM
2094EOF
2095fi
2096if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2097fragment <<EOF
8c37241b 2098 else if (link_info.combreloc && link_info.relro
fbfca19e 2099 && (link_info.flags & DF_BIND_NOW))
8c37241b 2100 return "ldscripts/${EMULATION_NAME}.xw";
a060b769
AM
2101 else if (link_info.combreloc)
2102 return "ldscripts/${EMULATION_NAME}.xc";
2103EOF
2104fi
92b93329 2105fragment <<EOF
252b5132
RH
2106 else
2107 return "ldscripts/${EMULATION_NAME}.x";
2108}
252b5132 2109
3b108066 2110EOF
41392f03
AM
2111fi
2112fi
3b108066 2113
e0ee487b 2114if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
92b93329 2115fragment <<EOF
e0ee487b
L
2116 $PARSE_AND_LIST_PROLOGUE
2117EOF
2118fi
2119
92b93329 2120fragment <<EOF
e0ee487b 2121
6c1439be
L
2122#define OPTION_DISABLE_NEW_DTAGS (400)
2123#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
a1ab1d2a 2124#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
65765700 2125#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
b58f81ae 2126#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
fdc90cb4 2127#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
c0065db7 2128#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
7ee314fa 2129#define OPTION_AUDIT (OPTION_BUILD_ID + 1)
e13629bc 2130
3bcf5557 2131static void
0c7a8e5a
AM
2132gld${EMULATION_NAME}_add_options
2133 (int ns, char **shortopts, int nl, struct option **longopts,
2134 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
e0ee487b 2135{
fb42df5e
AM
2136EOF
2137if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2138fragment <<EOF
7ee314fa 2139 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
fb42df5e
AM
2140EOF
2141else
2142fragment <<EOF
2143 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
2144EOF
2145fi
2146fragment <<EOF
3bcf5557 2147 static const struct option xtra_long[] = {
fb42df5e
AM
2148EOF
2149if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2150fragment <<EOF
7ee314fa 2151 {"audit", required_argument, NULL, OPTION_AUDIT},
fb42df5e
AM
2152 {"Bgroup", no_argument, NULL, OPTION_GROUP},
2153EOF
2154fi
2155fragment <<EOF
2156 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
e0ee487b 2157EOF
e0ee487b 2158if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2159fragment <<EOF
fb42df5e 2160 {"depaudit", required_argument, NULL, 'P'},
3bcf5557
AM
2161 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
2162 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
2163 {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
b58f81ae 2164 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
fdc90cb4 2165 {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
e0ee487b
L
2166EOF
2167fi
e0ee487b 2168if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
92b93329 2169fragment <<EOF
3bcf5557 2170 $PARSE_AND_LIST_LONGOPTS
e0ee487b
L
2171EOF
2172fi
92b93329 2173fragment <<EOF
3bcf5557
AM
2174 {NULL, no_argument, NULL, 0}
2175 };
2176
2177 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
2178 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
2179 *longopts = (struct option *)
2180 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
2181 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
2182}
04925e1e 2183
24382dca 2184#define DEFAULT_BUILD_ID_STYLE "sha1"
c0065db7 2185
3bcf5557 2186static bfd_boolean
0c7a8e5a 2187gld${EMULATION_NAME}_handle_option (int optc)
e0ee487b 2188{
e0ee487b
L
2189 switch (optc)
2190 {
2191 default:
3bcf5557 2192 return FALSE;
6c1439be 2193
c0065db7
RM
2194 case OPTION_BUILD_ID:
2195 if (link_info.emit_note_gnu_build_id != NULL)
2196 {
2197 free (link_info.emit_note_gnu_build_id);
2198 link_info.emit_note_gnu_build_id = NULL;
2199 }
2200 if (optarg == NULL)
2201 optarg = DEFAULT_BUILD_ID_STYLE;
2202 if (strcmp (optarg, "none"))
2203 link_info.emit_note_gnu_build_id = xstrdup (optarg);
2204 break;
fb42df5e
AM
2205
2206EOF
2207
2208if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2209fragment <<EOF
7ee314fa 2210 case OPTION_AUDIT:
4724d37e 2211 gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg);
7ee314fa 2212 break;
fb42df5e 2213
7ee314fa
AM
2214 case 'P':
2215 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg);
2216 break;
c0065db7 2217
6c1439be 2218 case OPTION_DISABLE_NEW_DTAGS:
b34976b6 2219 link_info.new_dtags = FALSE;
6c1439be
L
2220 break;
2221
2222 case OPTION_ENABLE_NEW_DTAGS:
b34976b6 2223 link_info.new_dtags = TRUE;
6c1439be
L
2224 break;
2225
65765700 2226 case OPTION_EH_FRAME_HDR:
b34976b6 2227 link_info.eh_frame_hdr = TRUE;
65765700
JJ
2228 break;
2229
a1ab1d2a
UD
2230 case OPTION_GROUP:
2231 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
2232 /* Groups must be self-contained. */
560e09e9
NC
2233 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2234 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
a1ab1d2a
UD
2235 break;
2236
b58f81ae
DJ
2237 case OPTION_EXCLUDE_LIBS:
2238 add_excluded_libs (optarg);
2239 break;
2240
fdc90cb4
JJ
2241 case OPTION_HASH_STYLE:
2242 link_info.emit_hash = FALSE;
2243 link_info.emit_gnu_hash = FALSE;
2244 if (strcmp (optarg, "sysv") == 0)
2245 link_info.emit_hash = TRUE;
2246 else if (strcmp (optarg, "gnu") == 0)
2247 link_info.emit_gnu_hash = TRUE;
2248 else if (strcmp (optarg, "both") == 0)
2249 {
2250 link_info.emit_hash = TRUE;
2251 link_info.emit_gnu_hash = TRUE;
2252 }
2253 else
2254 einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
2255 break;
2256
fb42df5e
AM
2257EOF
2258fi
2259fragment <<EOF
e0ee487b 2260 case 'z':
fb42df5e
AM
2261 if (strcmp (optarg, "defs") == 0)
2262 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2263 else if (strcmp (optarg, "muldefs") == 0)
2264 link_info.allow_multiple_definition = TRUE;
2265 else if (CONST_STRNEQ (optarg, "max-page-size="))
2266 {
2267 char *end;
2268
2269 config.maxpagesize = strtoul (optarg + 14, &end, 0);
2270 if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
2271 einfo (_("%P%F: invalid maxium page size \`%s'\n"),
2272 optarg + 14);
2273 }
2274 else if (CONST_STRNEQ (optarg, "common-page-size="))
2275 {
2276 char *end;
2277 config.commonpagesize = strtoul (optarg + 17, &end, 0);
2278 if (*end
2279 || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
2280 einfo (_("%P%F: invalid common page size \`%s'\n"),
2281 optarg + 17);
2282 }
04c3a755
NS
2283 else if (CONST_STRNEQ (optarg, "stack-size="))
2284 {
2285 char *end;
2286 link_info.stacksize = strtoul (optarg + 11, &end, 0);
2287 if (*end || link_info.stacksize < 0)
2288 einfo (_("%P%F: invalid stack size \`%s'\n"), optarg + 11);
2289 if (!link_info.stacksize)
2290 /* Use -1 for explicit no-stack, because zero means
2291 'default'. */
2292 link_info.stacksize = -1;
2293 }
fb42df5e
AM
2294 else if (strcmp (optarg, "execstack") == 0)
2295 {
2296 link_info.execstack = TRUE;
2297 link_info.noexecstack = FALSE;
2298 }
2299 else if (strcmp (optarg, "noexecstack") == 0)
2300 {
2301 link_info.noexecstack = TRUE;
2302 link_info.execstack = FALSE;
2303 }
2304EOF
2305if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2306fragment <<EOF
b039ef04
L
2307 else if (strcmp (optarg, "global") == 0)
2308 link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
fb42df5e 2309 else if (strcmp (optarg, "initfirst") == 0)
e0ee487b
L
2310 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
2311 else if (strcmp (optarg, "interpose") == 0)
2312 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
2313 else if (strcmp (optarg, "loadfltr") == 0)
2314 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
2315 else if (strcmp (optarg, "nodefaultlib") == 0)
2316 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
2317 else if (strcmp (optarg, "nodelete") == 0)
2318 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
2319 else if (strcmp (optarg, "nodlopen") == 0)
2320 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
2321 else if (strcmp (optarg, "nodump") == 0)
2322 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
2323 else if (strcmp (optarg, "now") == 0)
2324 {
2325 link_info.flags |= (bfd_vma) DF_BIND_NOW;
2326 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
2327 }
5fa222e4
AM
2328 else if (strcmp (optarg, "lazy") == 0)
2329 {
2330 link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
2331 link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
2332 }
e0ee487b
L
2333 else if (strcmp (optarg, "origin") == 0)
2334 {
2335 link_info.flags |= (bfd_vma) DF_ORIGIN;
2336 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
2337 }
db6751f2 2338 else if (strcmp (optarg, "combreloc") == 0)
b34976b6 2339 link_info.combreloc = TRUE;
db6751f2 2340 else if (strcmp (optarg, "nocombreloc") == 0)
b34976b6 2341 link_info.combreloc = FALSE;
8bd621d8 2342 else if (strcmp (optarg, "nocopyreloc") == 0)
0c7a8e5a 2343 link_info.nocopyreloc = TRUE;
8c37241b
JJ
2344 else if (strcmp (optarg, "relro") == 0)
2345 link_info.relro = TRUE;
2346 else if (strcmp (optarg, "norelro") == 0)
2347 link_info.relro = FALSE;
c192a133
AM
2348 else if (strcmp (optarg, "text") == 0)
2349 link_info.error_textrel = TRUE;
2350 else if (strcmp (optarg, "notext") == 0)
2351 link_info.error_textrel = FALSE;
2352 else if (strcmp (optarg, "textoff") == 0)
2353 link_info.error_textrel = FALSE;
88b882e9 2354EOF
fb42df5e 2355fi
88b882e9 2356
92b93329 2357fragment <<EOF
fb42df5e
AM
2358 else
2359 einfo (_("%P: warning: -z %s ignored.\n"), optarg);
6c1439be 2360 break;
e0ee487b 2361EOF
e0ee487b
L
2362
2363if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
92b93329 2364fragment <<EOF
e0ee487b
L
2365 $PARSE_AND_LIST_ARGS_CASES
2366EOF
2367fi
2368
92b93329 2369fragment <<EOF
e0ee487b
L
2370 }
2371
3bcf5557 2372 return TRUE;
e0ee487b
L
2373}
2374
41392f03 2375EOF
41392f03 2376
4b209b22 2377if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
92b93329 2378fragment <<EOF
41392f03 2379
e0ee487b 2380static void
0c7a8e5a 2381gld${EMULATION_NAME}_list_options (FILE * file)
e0ee487b 2382{
fb42df5e
AM
2383EOF
2384if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2385fragment <<EOF
7ee314fa
AM
2386 fprintf (file, _("\
2387 --audit=AUDITLIB Specify a library to use for auditing\n"));
2388 fprintf (file, _("\
fb42df5e
AM
2389 -Bgroup Selects group name lookup rules for DSO\n"));
2390EOF
2391fi
2392fragment <<EOF
2393 fprintf (file, _("\
2394 --build-id[=STYLE] Generate build ID note\n"));
e0ee487b 2395EOF
e0ee487b 2396if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2397fragment <<EOF
442996ee 2398 fprintf (file, _("\
fb42df5e 2399 -P AUDITLIB, --depaudit=AUDITLIB\n" "\
4724d37e 2400 Specify a library to use for auditing dependencies\n"));
442996ee
AM
2401 fprintf (file, _("\
2402 --disable-new-dtags Disable new dynamic tags\n"));
2403 fprintf (file, _("\
2404 --enable-new-dtags Enable new dynamic tags\n"));
2405 fprintf (file, _("\
2406 --eh-frame-hdr Create .eh_frame_hdr section\n"));
2407 fprintf (file, _("\
fb42df5e
AM
2408 --exclude-libs=LIBS Make all symbols in LIBS hidden\n"));
2409 fprintf (file, _("\
442996ee
AM
2410 --hash-style=STYLE Set hash style to sysv, gnu or both\n"));
2411 fprintf (file, _("\
2412 -z combreloc Merge dynamic relocs into one section and sort\n"));
fb42df5e
AM
2413EOF
2414fi
2415
2416fragment <<EOF
2417 fprintf (file, _("\
2418 -z common-page-size=SIZE Set common page size to SIZE\n"));
442996ee
AM
2419 fprintf (file, _("\
2420 -z defs Report unresolved symbols in object files.\n"));
2421 fprintf (file, _("\
2422 -z execstack Mark executable as requiring executable stack\n"));
fb42df5e
AM
2423EOF
2424
2425if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2426fragment <<EOF
442996ee 2427 fprintf (file, _("\
b039ef04 2428 -z global Make symbols in DSO available for subsequently\n\
4724d37e 2429 loaded objects\n"));
b039ef04 2430 fprintf (file, _("\
442996ee
AM
2431 -z initfirst Mark DSO to be initialized first at runtime\n"));
2432 fprintf (file, _("\
2433 -z interpose Mark object to interpose all DSOs but executable\n"));
2434 fprintf (file, _("\
2435 -z lazy Mark object lazy runtime binding (default)\n"));
2436 fprintf (file, _("\
2437 -z loadfltr Mark object requiring immediate process\n"));
fb42df5e
AM
2438EOF
2439fi
2440
2441fragment <<EOF
2442 fprintf (file, _("\
2443 -z max-page-size=SIZE Set maximum page size to SIZE\n"));
442996ee
AM
2444 fprintf (file, _("\
2445 -z muldefs Allow multiple definitions\n"));
fb42df5e
AM
2446EOF
2447
2448if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2449fragment <<EOF
442996ee
AM
2450 fprintf (file, _("\
2451 -z nocombreloc Don't merge dynamic relocs into one section\n"));
2452 fprintf (file, _("\
2453 -z nocopyreloc Don't create copy relocs\n"));
2454 fprintf (file, _("\
2455 -z nodefaultlib Mark object not to use default search paths\n"));
2456 fprintf (file, _("\
2457 -z nodelete Mark DSO non-deletable at runtime\n"));
2458 fprintf (file, _("\
2459 -z nodlopen Mark DSO not available to dlopen\n"));
2460 fprintf (file, _("\
2461 -z nodump Mark DSO not available to dldump\n"));
fb42df5e
AM
2462EOF
2463fi
2464fragment <<EOF
442996ee
AM
2465 fprintf (file, _("\
2466 -z noexecstack Mark executable as not requiring executable stack\n"));
88b882e9 2467EOF
fb42df5e 2468if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2469fragment <<EOF
442996ee
AM
2470 fprintf (file, _("\
2471 -z norelro Don't create RELRO program header\n"));
442996ee
AM
2472 fprintf (file, _("\
2473 -z now Mark object non-lazy runtime binding\n"));
2474 fprintf (file, _("\
2475 -z origin Mark object requiring immediate \$ORIGIN\n\
4724d37e 2476 processing at runtime\n"));
442996ee
AM
2477 fprintf (file, _("\
2478 -z relro Create RELRO program header\n"));
07e15f87
NS
2479 fprintf (file, _("\
2480 -z stacksize=SIZE Set size of stack segment\n"));
88b882e9 2481EOF
e0ee487b
L
2482fi
2483
2484if test -n "$PARSE_AND_LIST_OPTIONS" ; then
92b93329 2485fragment <<EOF
e0ee487b
L
2486 $PARSE_AND_LIST_OPTIONS
2487EOF
2488fi
2489
92b93329 2490fragment <<EOF
e0ee487b
L
2491}
2492EOF
e0ee487b
L
2493
2494if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
92b93329 2495fragment <<EOF
e0ee487b
L
2496 $PARSE_AND_LIST_EPILOGUE
2497EOF
2498fi
41392f03 2499fi
e0ee487b 2500
92b93329 2501fragment <<EOF
252b5132 2502
60bcf0fa 2503struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 2504{
41392f03
AM
2505 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
2506 ${LDEMUL_SYSLIB-syslib_default},
2507 ${LDEMUL_HLL-hll_default},
2508 ${LDEMUL_AFTER_PARSE-after_parse_default},
2509 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
eaeb0a9d 2510 ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
41392f03
AM
2511 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
2512 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
2513 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
2514 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
2515 "${EMULATION_NAME}",
2516 "${OUTPUT_FORMAT}",
eaeb0a9d 2517 ${LDEMUL_FINISH-finish_default},
41392f03
AM
2518 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
2519 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
2520 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
2521 ${LDEMUL_SET_SYMBOLS-NULL},
3bcf5557
AM
2522 ${LDEMUL_PARSE_ARGS-NULL},
2523 gld${EMULATION_NAME}_add_options,
2524 gld${EMULATION_NAME}_handle_option,
41392f03 2525 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
4b209b22 2526 ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
4a43e768 2527 ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
41392f03 2528 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
fac1652d 2529 ${LDEMUL_NEW_VERS_PATTERN-NULL}
252b5132
RH
2530};
2531EOF