Properly convert LTO plugin visibility to ELF visibility.
[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 ${EMULATION_NAME}
e3dc8847 15 Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
aa820537
AM
16 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
17 Free Software Foundation, Inc.
252b5132
RH
18 Written by Steve Chamberlain <sac@cygnus.com>
19 ELF support by Ian Lance Taylor <ian@cygnus.com>
20
f96b4a7b
NC
21 This file is part of the GNU Binutils.
22
23 This program is free software; you can redistribute it and/or modify
24 it under the terms of the GNU General Public License as published by
25 the Free Software Foundation; either version 3 of the License, or
26 (at your option) any later version.
27
28 This program is distributed in the hope that it will be useful,
29 but WITHOUT ANY WARRANTY; without even the implied warranty of
30 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 GNU General Public License for more details.
32
33 You should have received a copy of the GNU General Public License
34 along with this program; if not, write to the Free Software
35 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
36 MA 02110-1301, USA. */
252b5132
RH
37
38#define TARGET_IS_${EMULATION_NAME}
39
252b5132 40#include "sysdep.h"
3db64b00 41#include "bfd.h"
1c9acd94 42#include "libiberty.h"
3882b010 43#include "safe-ctype.h"
fcf65871 44#include "getopt.h"
24382dca
RM
45#include "md5.h"
46#include "sha1.h"
47#include <fcntl.h>
252b5132
RH
48
49#include "bfdlink.h"
50
51#include "ld.h"
52#include "ldmain.h"
252b5132
RH
53#include "ldmisc.h"
54#include "ldexp.h"
55#include "ldlang.h"
b71e2778
AM
56#include "ldfile.h"
57#include "ldemul.h"
df2a7313 58#include <ldgram.h>
e0ee487b 59#include "elf/common.h"
ecca9871 60#include "elf-bfd.h"
07f1e47a 61#include "filenames.h"
252b5132 62
0c7a8e5a
AM
63/* Declare functions used by various EXTRA_EM_FILEs. */
64static void gld${EMULATION_NAME}_before_parse (void);
65static void gld${EMULATION_NAME}_after_open (void);
66static void gld${EMULATION_NAME}_before_allocation (void);
eaeb0a9d 67static void gld${EMULATION_NAME}_after_allocation (void);
c2edb4b8 68static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan
8a99a385 69 (asection *, const char *, int);
41392f03
AM
70EOF
71
d3989512
JJ
72if [ "x${USE_LIBPATH}" = xyes ] ; then
73 case ${target} in
711c0baa 74 *-*-linux-* | *-*-k*bsd*-*)
92b93329 75 fragment <<EOF
0b48acfe 76#ifdef HAVE_GLOB
d3989512 77#include <glob.h>
0b48acfe 78#endif
d3989512
JJ
79EOF
80 ;;
81 esac
82fi
83
41392f03
AM
84# Import any needed special functions and/or overrides.
85#
92b93329 86source_em ${srcdir}/emultempl/elf-generic.em
41392f03 87if test -n "$EXTRA_EM_FILE" ; then
92b93329 88 source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
41392f03
AM
89fi
90
f813923c 91# Functions in this file can be overridden by setting the LDEMUL_* shell
41392f03
AM
92# variables. If the name of the overriding function is the same as is
93# defined in this file, then don't output this file's version.
94# If a different overriding name is given then output the standard function
95# as presumably it is called from the overriding function.
96#
97if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
92b93329 98fragment <<EOF
41392f03 99
252b5132 100static void
0c7a8e5a 101gld${EMULATION_NAME}_before_parse (void)
252b5132 102{
5e2f1575 103 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
b34976b6
AM
104 config.dynamic_link = ${DYNAMIC_LINK-TRUE};
105 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
252b5132
RH
106}
107
41392f03
AM
108EOF
109fi
110
4a43e768 111if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
92b93329 112fragment <<EOF
ddbb8a31 113/* Handle the generation of DT_NEEDED tags. */
4a43e768
AM
114
115static bfd_boolean
116gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
117{
96d56e9f 118 int link_class = 0;
4a43e768
AM
119
120 /* Tell the ELF linker that we don't want the output file to have a
121 DT_NEEDED entry for this file, unless it is used to resolve
122 references in a regular object. */
ddbb8a31 123 if (entry->add_DT_NEEDED_for_regular)
96d56e9f 124 link_class = DYN_AS_NEEDED;
e56f61be
L
125
126 /* Tell the ELF linker that we don't want the output file to have a
127 DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
128 this file at all. */
ddbb8a31 129 if (!entry->add_DT_NEEDED_for_dynamic)
96d56e9f 130 link_class |= DYN_NO_ADD_NEEDED;
e56f61be 131
12b9ff6c
L
132 if (entry->just_syms_flag
133 && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
134 einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"),
135 entry->the_bfd);
136
ddbb8a31 137 if (link_class == 0
e56f61be
L
138 || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
139 return FALSE;
140
1e9cc1c2
NC
141 bfd_elf_set_dyn_lib_class (entry->the_bfd,
142 (enum dynamic_lib_link_class) link_class);
4a43e768
AM
143
144 /* Continue on with normal load_symbols processing. */
145 return FALSE;
146}
147EOF
148fi
149
92b93329 150fragment <<EOF
252b5132
RH
151
152/* These variables are required to pass information back and forth
153 between after_open and check_needed and stat_needed and vercheck. */
154
155static struct bfd_link_needed_list *global_needed;
156static struct stat global_stat;
e13629bc 157static lang_input_statement_type *global_found;
252b5132 158static struct bfd_link_needed_list *global_vercheck_needed;
b34976b6 159static bfd_boolean global_vercheck_failed;
252b5132 160
7ee314fa
AM
161/* These variables are used to implement target options */
162
163static char *audit; /* colon (typically) separated list of libs */
164static char *depaudit; /* colon (typically) separated list of libs */
252b5132 165
04925e1e
AM
166/* On Linux, it's possible to have different versions of the same
167 shared library linked against different versions of libc. The
168 dynamic linker somehow tags which libc version to use in
169 /etc/ld.so.cache, and, based on the libc that it sees in the
170 executable, chooses which version of the shared library to use.
252b5132 171
04925e1e
AM
172 We try to do a similar check here by checking whether this shared
173 library needs any other shared libraries which may conflict with
174 libraries we have already included in the link. If it does, we
175 skip it, and try to find another shared library farther on down the
176 link path.
252b5132 177
04925e1e
AM
178 This is called via lang_for_each_input_file.
179 GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
f813923c 180 which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
04925e1e 181 a conflicting version. */
252b5132 182
04925e1e 183static void
0c7a8e5a 184gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
04925e1e 185{
1c9acd94 186 const char *soname;
04925e1e 187 struct bfd_link_needed_list *l;
252b5132 188
04925e1e
AM
189 if (global_vercheck_failed)
190 return;
191 if (s->the_bfd == NULL
192 || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
193 return;
252b5132 194
04925e1e
AM
195 soname = bfd_elf_get_dt_soname (s->the_bfd);
196 if (soname == NULL)
fed2999d 197 soname = lbasename (bfd_get_filename (s->the_bfd));
04925e1e
AM
198
199 for (l = global_vercheck_needed; l != NULL; l = l->next)
200 {
201 const char *suffix;
202
1c9acd94 203 if (strcmp (soname, l->name) == 0)
04925e1e
AM
204 {
205 /* Probably can't happen, but it's an easy check. */
206 continue;
252b5132
RH
207 }
208
04925e1e 209 if (strchr (l->name, '/') != NULL)
252b5132
RH
210 continue;
211
04925e1e
AM
212 suffix = strstr (l->name, ".so.");
213 if (suffix == NULL)
214 continue;
215
216 suffix += sizeof ".so." - 1;
217
1c9acd94 218 if (strncmp (soname, l->name, suffix - l->name) == 0)
04925e1e
AM
219 {
220 /* Here we know that S is a dynamic object FOO.SO.VER1, and
0c7a8e5a
AM
221 the object we are considering needs a dynamic object
222 FOO.SO.VER2, and VER1 and VER2 are different. This
223 appears to be a version mismatch, so we tell the caller
224 to try a different version of this library. */
b34976b6 225 global_vercheck_failed = TRUE;
04925e1e
AM
226 return;
227 }
252b5132
RH
228 }
229}
230
252b5132 231
04925e1e
AM
232/* See if an input file matches a DT_NEEDED entry by running stat on
233 the file. */
234
235static void
0c7a8e5a 236gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
252b5132 237{
04925e1e
AM
238 struct stat st;
239 const char *suffix;
240 const char *soname;
252b5132 241
e13629bc 242 if (global_found != NULL)
04925e1e
AM
243 return;
244 if (s->the_bfd == NULL)
245 return;
e13629bc
AM
246
247 /* If this input file was an as-needed entry, and wasn't found to be
248 needed at the stage it was linked, then don't say we have loaded it. */
249 if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86 250 return;
04925e1e
AM
251
252 if (bfd_stat (s->the_bfd, &st) != 0)
252b5132 253 {
04925e1e
AM
254 einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
255 return;
256 }
252b5132 257
9eabd475
ZW
258 /* Some operating systems, e.g. Windows, do not provide a meaningful
259 st_ino; they always set it to zero. (Windows does provide a
260 meaningful st_dev.) Do not indicate a duplicate library in that
261 case. While there is no guarantee that a system that provides
262 meaningful inode numbers will never set st_ino to zero, this is
263 merely an optimization, so we do not need to worry about false
264 negatives. */
04925e1e 265 if (st.st_dev == global_stat.st_dev
9eabd475
ZW
266 && st.st_ino == global_stat.st_ino
267 && st.st_ino != 0)
04925e1e 268 {
e13629bc 269 global_found = s;
04925e1e
AM
270 return;
271 }
252b5132 272
04925e1e
AM
273 /* We issue a warning if it looks like we are including two
274 different versions of the same shared library. For example,
275 there may be a problem if -lc picks up libc.so.6 but some other
276 shared library has a DT_NEEDED entry of libc.so.5. This is a
f813923c 277 heuristic test, and it will only work if the name looks like
04925e1e
AM
278 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
279 If we really want to issue warnings about mixing version numbers
280 of shared libraries, we need to find a better way. */
252b5132 281
04925e1e
AM
282 if (strchr (global_needed->name, '/') != NULL)
283 return;
284 suffix = strstr (global_needed->name, ".so.");
285 if (suffix == NULL)
286 return;
287 suffix += sizeof ".so." - 1;
252b5132 288
04925e1e
AM
289 soname = bfd_elf_get_dt_soname (s->the_bfd);
290 if (soname == NULL)
fed2999d 291 soname = lbasename (s->filename);
252b5132 292
cde43e70 293 if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
04925e1e 294 einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
1c9acd94 295 global_needed->name, global_needed->by, soname);
252b5132
RH
296}
297
e56f61be
L
298struct dt_needed
299{
300 bfd *by;
301 const char *name;
302};
04925e1e 303
252b5132
RH
304/* This function is called for each possible name for a dynamic object
305 named by a DT_NEEDED entry. The FORCE parameter indicates whether
306 to skip the check for a conflicting version. */
307
b34976b6 308static bfd_boolean
e56f61be
L
309gld${EMULATION_NAME}_try_needed (struct dt_needed *needed,
310 int force)
252b5132
RH
311{
312 bfd *abfd;
e56f61be 313 const char *name = needed->name;
ec4eb78a 314 const char *soname;
96d56e9f 315 int link_class;
252b5132 316
f13a99db 317 abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd));
252b5132 318 if (abfd == NULL)
b34976b6 319 return FALSE;
4a114e3e
L
320
321 /* Linker needs to decompress sections. */
322 abfd->flags |= BFD_DECOMPRESS;
323
252b5132
RH
324 if (! bfd_check_format (abfd, bfd_object))
325 {
cde43e70 326 bfd_close (abfd);
b34976b6 327 return FALSE;
252b5132
RH
328 }
329 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
330 {
cde43e70 331 bfd_close (abfd);
b34976b6 332 return FALSE;
252b5132
RH
333 }
334
c4bb8067 335 /* For DT_NEEDED, they have to match. */
f13a99db 336 if (abfd->xvec != link_info.output_bfd->xvec)
c4bb8067
L
337 {
338 bfd_close (abfd);
b34976b6 339 return FALSE;
c4bb8067
L
340 }
341
252b5132
RH
342 /* Check whether this object would include any conflicting library
343 versions. If FORCE is set, then we skip this check; we use this
344 the second time around, if we couldn't find any compatible
345 instance of the shared library. */
346
347 if (! force)
348 {
91d6fa6a 349 struct bfd_link_needed_list *needs;
252b5132 350
91d6fa6a 351 if (! bfd_elf_get_bfd_needed_list (abfd, &needs))
252b5132
RH
352 einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
353
91d6fa6a 354 if (needs != NULL)
252b5132 355 {
91d6fa6a 356 global_vercheck_needed = needs;
b34976b6 357 global_vercheck_failed = FALSE;
252b5132
RH
358 lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
359 if (global_vercheck_failed)
360 {
cde43e70 361 bfd_close (abfd);
b34976b6 362 /* Return FALSE to force the caller to move on to try
0c7a8e5a 363 another file on the search path. */
b34976b6 364 return FALSE;
252b5132
RH
365 }
366
367 /* But wait! It gets much worse. On Linux, if a shared
0c7a8e5a
AM
368 library does not use libc at all, we are supposed to skip
369 it the first time around in case we encounter a shared
370 library later on with the same name which does use the
371 version of libc that we want. This is much too horrible
372 to use on any system other than Linux. */
252b5132
RH
373
374EOF
375case ${target} in
711c0baa 376 *-*-linux-* | *-*-k*bsd*-*)
92b93329 377 fragment <<EOF
252b5132
RH
378 {
379 struct bfd_link_needed_list *l;
380
91d6fa6a 381 for (l = needs; l != NULL; l = l->next)
0112cd26 382 if (CONST_STRNEQ (l->name, "libc.so"))
252b5132
RH
383 break;
384 if (l == NULL)
385 {
cde43e70 386 bfd_close (abfd);
b34976b6 387 return FALSE;
252b5132
RH
388 }
389 }
390
391EOF
392 ;;
393esac
92b93329 394fragment <<EOF
252b5132
RH
395 }
396 }
397
398 /* We've found a dynamic object matching the DT_NEEDED entry. */
399
04925e1e
AM
400 /* We have already checked that there is no other input file of the
401 same name. We must now check again that we are not including the
402 same file twice. We need to do this because on many systems
403 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
404 reference libc.so.1. If we have already included libc.so, we
405 don't want to include libc.so.1 if they are the same file, and we
406 can only check that using stat. */
407
408 if (bfd_stat (abfd, &global_stat) != 0)
409 einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
ec4eb78a
L
410
411 /* First strip off everything before the last '/'. */
fed2999d 412 soname = lbasename (abfd->filename);
ec4eb78a
L
413
414 if (trace_file_tries)
415 info_msg (_("found %s at %s\n"), soname, name);
416
e13629bc 417 global_found = NULL;
04925e1e 418 lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
e13629bc 419 if (global_found != NULL)
04925e1e 420 {
b34976b6 421 /* Return TRUE to indicate that we found the file, even though
0c7a8e5a 422 we aren't going to do anything with it. */
b34976b6 423 return TRUE;
04925e1e
AM
424 }
425
4a43e768
AM
426 /* Specify the soname to use. */
427 bfd_elf_set_dt_needed_name (abfd, soname);
04925e1e 428
4a43e768
AM
429 /* Tell the ELF linker that we don't want the output file to have a
430 DT_NEEDED entry for this file, unless it is used to resolve
431 references in a regular object. */
96d56e9f 432 link_class = DYN_DT_NEEDED;
e56f61be
L
433
434 /* Tell the ELF linker that we don't want the output file to have a
435 DT_NEEDED entry for this file at all if the entry is from a file
436 with DYN_NO_ADD_NEEDED. */
7e9f0867
AM
437 if (needed->by != NULL
438 && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
96d56e9f 439 link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
e56f61be 440
1e9cc1c2 441 bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class);
04925e1e
AM
442
443 /* Add this file into the symbol table. */
444 if (! bfd_link_add_symbols (abfd, &link_info))
445 einfo ("%F%B: could not read symbols: %E\n", abfd);
446
b34976b6 447 return TRUE;
04925e1e
AM
448}
449
450
451/* Search for a needed file in a path. */
452
b34976b6 453static bfd_boolean
e56f61be
L
454gld${EMULATION_NAME}_search_needed (const char *path,
455 struct dt_needed *n, int force)
04925e1e
AM
456{
457 const char *s;
e56f61be 458 const char *name = n->name;
04925e1e 459 size_t len;
e56f61be 460 struct dt_needed needed;
04925e1e 461
cc5ce052 462 if (name[0] == '/')
e56f61be 463 return gld${EMULATION_NAME}_try_needed (n, force);
cc5ce052 464
04925e1e 465 if (path == NULL || *path == '\0')
b34976b6 466 return FALSE;
e56f61be
L
467
468 needed.by = n->by;
469 needed.name = n->name;
470
04925e1e
AM
471 len = strlen (name);
472 while (1)
473 {
474 char *filename, *sset;
475
c76308d2 476 s = strchr (path, config.rpath_separator);
04925e1e
AM
477 if (s == NULL)
478 s = path + strlen (path);
479
07f1e47a
AM
480#if HAVE_DOS_BASED_FILE_SYSTEM
481 /* Assume a match on the second char is part of drive specifier. */
482 else if (config.rpath_separator == ':'
483 && s == path + 1
484 && ISALPHA (*path))
485 {
486 s = strchr (s + 1, config.rpath_separator);
487 if (s == NULL)
488 s = path + strlen (path);
489 }
490#endif
04925e1e
AM
491 filename = (char *) xmalloc (s - path + len + 2);
492 if (s == path)
493 sset = filename;
494 else
495 {
496 memcpy (filename, path, s - path);
497 filename[s - path] = '/';
498 sset = filename + (s - path) + 1;
499 }
500 strcpy (sset, name);
501
e56f61be
L
502 needed.name = filename;
503 if (gld${EMULATION_NAME}_try_needed (&needed, force))
b34976b6 504 return TRUE;
04925e1e
AM
505
506 free (filename);
507
508 if (*s == '\0')
509 break;
510 path = s + 1;
511 }
512
b34976b6 513 return FALSE;
04925e1e
AM
514}
515
516EOF
9c8ebd6a 517if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 518 fragment <<EOF
9c8ebd6a 519
c76308d2
RS
520/* Add the sysroot to every entry in a path separated by
521 config.rpath_separator. */
9c8ebd6a
DJ
522
523static char *
0c7a8e5a 524gld${EMULATION_NAME}_add_sysroot (const char *path)
9c8ebd6a
DJ
525{
526 int len, colons, i;
527 char *ret, *p;
528
529 len = strlen (path);
530 colons = 0;
531 i = 0;
532 while (path[i])
c76308d2 533 if (path[i++] == config.rpath_separator)
9c8ebd6a
DJ
534 colons++;
535
536 if (path[i])
537 colons++;
538
42644a89 539 len = len + (colons + 1) * strlen (ld_sysroot);
9c8ebd6a
DJ
540 ret = xmalloc (len + 1);
541 strcpy (ret, ld_sysroot);
542 p = ret + strlen (ret);
543 i = 0;
544 while (path[i])
c76308d2 545 if (path[i] == config.rpath_separator)
9c8ebd6a 546 {
0c7a8e5a 547 *p++ = path[i++];
9c8ebd6a
DJ
548 strcpy (p, ld_sysroot);
549 p = p + strlen (p);
9c8ebd6a
DJ
550 }
551 else
552 *p++ = path[i++];
553
554 *p = 0;
555 return ret;
556}
04925e1e 557
3dc16cab
DJ
558EOF
559 case ${target} in
ebe1fac1 560 *-*-freebsd* | *-*-dragonfly*)
92b93329 561 fragment <<EOF
ebe1fac1
NC
562/* Read the system search path the FreeBSD way rather than the Linux way. */
563#ifdef HAVE_ELF_HINTS_H
564#include <elf-hints.h>
565#else
566#include "elf-hints-local.h"
567#endif
568
569static bfd_boolean
570gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force)
571{
572 static bfd_boolean initialized;
573 static char *ld_elf_hints;
574 struct dt_needed needed;
575
576 if (!initialized)
577 {
578 FILE *f;
579 char *tmppath;
580
ff7a0acf 581 tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL);
ebe1fac1
NC
582 f = fopen (tmppath, FOPEN_RB);
583 free (tmppath);
584 if (f != NULL)
585 {
586 struct elfhints_hdr hdr;
587
588 if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
589 && hdr.magic == ELFHINTS_MAGIC
590 && hdr.version == 1)
591 {
592 if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
593 {
594 char *b;
595
596 b = xmalloc (hdr.dirlistlen + 1);
597 if (fread (b, 1, hdr.dirlistlen + 1, f) ==
598 hdr.dirlistlen + 1)
599 ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
e13629bc 600
ebe1fac1
NC
601 free (b);
602 }
603 }
604 fclose (f);
605 }
606
607 initialized = TRUE;
608 }
609
610 if (ld_elf_hints == NULL)
611 return FALSE;
612
613 needed.by = NULL;
614 needed.name = name;
615 return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed,
e13629bc 616 force);
ebe1fac1
NC
617}
618EOF
619 # FreeBSD
620 ;;
621
711c0baa 622 *-*-linux-* | *-*-k*bsd*-*)
92b93329 623 fragment <<EOF
04925e1e
AM
624/* For a native linker, check the file /etc/ld.so.conf for directories
625 in which we may find shared libraries. /etc/ld.so.conf is really
482e8b32 626 only meaningful on Linux. */
04925e1e 627
d3989512 628struct gld${EMULATION_NAME}_ld_so_conf
04925e1e 629{
d3989512
JJ
630 char *path;
631 size_t len, alloc;
632};
04925e1e 633
dfcffada 634static bfd_boolean
d3989512
JJ
635gld${EMULATION_NAME}_parse_ld_so_conf
636 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
637
638static void
639gld${EMULATION_NAME}_parse_ld_so_conf_include
640 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename,
641 const char *pattern)
642{
643 char *newp = NULL;
0b48acfe 644#ifdef HAVE_GLOB
d3989512 645 glob_t gl;
0b48acfe 646#endif
d3989512
JJ
647
648 if (pattern[0] != '/')
04925e1e 649 {
d3989512
JJ
650 char *p = strrchr (filename, '/');
651 size_t patlen = strlen (pattern) + 1;
04925e1e 652
d3989512
JJ
653 newp = xmalloc (p - filename + 1 + patlen);
654 memcpy (newp, filename, p - filename + 1);
655 memcpy (newp + (p - filename + 1), pattern, patlen);
656 pattern = newp;
657 }
04925e1e 658
0b48acfe 659#ifdef HAVE_GLOB
d3989512
JJ
660 if (glob (pattern, 0, NULL, &gl) == 0)
661 {
662 size_t i;
663
664 for (i = 0; i < gl.gl_pathc; ++i)
665 gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
666 globfree (&gl);
667 }
0b48acfe
MM
668#else
669 /* If we do not have glob, treat the pattern as a literal filename. */
670 gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
671#endif
d3989512
JJ
672
673 if (newp)
674 free (newp);
675}
676
dfcffada 677static bfd_boolean
d3989512
JJ
678gld${EMULATION_NAME}_parse_ld_so_conf
679 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
680{
681 FILE *f = fopen (filename, FOPEN_RT);
563f4125
JJ
682 char *line;
683 size_t linelen;
d3989512
JJ
684
685 if (f == NULL)
dfcffada 686 return FALSE;
d3989512 687
563f4125
JJ
688 linelen = 256;
689 line = xmalloc (linelen);
690 do
d3989512 691 {
563f4125
JJ
692 char *p = line, *q;
693
694 /* Normally this would use getline(3), but we need to be portable. */
695 while ((q = fgets (p, linelen - (p - line), f)) != NULL
696 && strlen (q) == linelen - (p - line) - 1
697 && line[linelen - 2] != '\n')
698 {
699 line = xrealloc (line, 2 * linelen);
700 p = line + linelen - 1;
701 linelen += linelen;
702 }
703
704 if (q == NULL && p == line)
705 break;
d3989512
JJ
706
707 p = strchr (line, '\n');
708 if (p)
709 *p = '\0';
710
711 /* Because the file format does not know any form of quoting we
712 can search forward for the next '#' character and if found
713 make it terminating the line. */
714 p = strchr (line, '#');
715 if (p)
716 *p = '\0';
717
718 /* Remove leading whitespace. NUL is no whitespace character. */
719 p = line;
720 while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v')
721 ++p;
722
723 /* If the line is blank it is ignored. */
724 if (p[0] == '\0')
725 continue;
04925e1e 726
0112cd26 727 if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
d3989512
JJ
728 {
729 char *dir, c;
730 p += 8;
731 do
04925e1e 732 {
d3989512
JJ
733 while (*p == ' ' || *p == '\t')
734 ++p;
04925e1e 735
d3989512
JJ
736 if (*p == '\0')
737 break;
252b5132 738
d3989512
JJ
739 dir = p;
740
741 while (*p != ' ' && *p != '\t' && *p)
742 ++p;
743
744 c = *p;
745 *p++ = '\0';
746 if (dir[0] != '\0')
747 gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename,
748 dir);
749 }
750 while (c != '\0');
751 }
752 else
753 {
754 char *dir = p;
755 while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f'
756 && *p != '\r' && *p != '\v')
757 ++p;
758
759 while (p != dir && p[-1] == '/')
760 --p;
761 if (info->path == NULL)
762 {
763 info->alloc = p - dir + 1 + 256;
764 info->path = xmalloc (info->alloc);
765 info->len = 0;
766 }
04925e1e
AM
767 else
768 {
d3989512
JJ
769 if (info->len + 1 + (p - dir) >= info->alloc)
770 {
771 info->alloc += p - dir + 256;
772 info->path = xrealloc (info->path, info->alloc);
773 }
c76308d2 774 info->path[info->len++] = config.rpath_separator;
04925e1e 775 }
d3989512
JJ
776 memcpy (info->path + info->len, dir, p - dir);
777 info->len += p - dir;
778 info->path[info->len] = '\0';
779 }
780 }
563f4125 781 while (! feof (f));
d3989512
JJ
782 free (line);
783 fclose (f);
dfcffada 784 return TRUE;
d3989512 785}
252b5132 786
d3989512
JJ
787static bfd_boolean
788gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force)
789{
790 static bfd_boolean initialized;
791 static char *ld_so_conf;
792 struct dt_needed needed;
252b5132 793
d3989512
JJ
794 if (! initialized)
795 {
796 char *tmppath;
797 struct gld${EMULATION_NAME}_ld_so_conf info;
9c8ebd6a 798
d3989512
JJ
799 info.path = NULL;
800 info.len = info.alloc = 0;
ff7a0acf
AM
801 tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
802 (const char *) NULL);
dfcffada
AM
803 if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
804 {
805 free (tmppath);
ff7a0acf
AM
806 tmppath = concat (ld_sysroot, "/etc/ld.so.conf",
807 (const char *) NULL);
dfcffada
AM
808 gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
809 }
d3989512 810 free (tmppath);
dfcffada 811
d3989512
JJ
812 if (info.path)
813 {
814 char *d = gld${EMULATION_NAME}_add_sysroot (info.path);
815 free (info.path);
816 ld_so_conf = d;
04925e1e 817 }
b34976b6 818 initialized = TRUE;
04925e1e 819 }
49e56c49 820
04925e1e 821 if (ld_so_conf == NULL)
b34976b6 822 return FALSE;
252b5132 823
e56f61be
L
824
825 needed.by = NULL;
826 needed.name = name;
827 return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force);
252b5132
RH
828}
829
04925e1e 830EOF
9c8ebd6a
DJ
831 # Linux
832 ;;
04925e1e
AM
833 esac
834fi
92b93329 835fragment <<EOF
04925e1e 836
252b5132
RH
837/* See if an input file matches a DT_NEEDED entry by name. */
838
839static void
0c7a8e5a 840gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
252b5132 841{
e13629bc
AM
842 const char *soname;
843
844 /* Stop looking if we've found a loaded lib. */
845 if (global_found != NULL
846 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
847 & DYN_AS_NEEDED) == 0)
252b5132
RH
848 return;
849
e13629bc
AM
850 if (s->filename == NULL || s->the_bfd == NULL)
851 return;
852
853 /* Don't look for a second non-loaded as-needed lib. */
854 if (global_found != NULL
855 && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86
AM
856 return;
857
e13629bc 858 if (strcmp (s->filename, global_needed->name) == 0)
252b5132 859 {
e13629bc
AM
860 global_found = s;
861 return;
862 }
577a0623 863
e13629bc
AM
864 if (s->search_dirs_flag)
865 {
866 const char *f = strrchr (s->filename, '/');
867 if (f != NULL
868 && strcmp (f + 1, global_needed->name) == 0)
577a0623 869 {
e13629bc 870 global_found = s;
577a0623
AM
871 return;
872 }
252b5132
RH
873 }
874
e13629bc
AM
875 soname = bfd_elf_get_dt_soname (s->the_bfd);
876 if (soname != NULL
877 && strcmp (soname, global_needed->name) == 0)
252b5132 878 {
e13629bc
AM
879 global_found = s;
880 return;
252b5132 881 }
252b5132
RH
882}
883
41392f03
AM
884EOF
885
886if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
92b93329 887fragment <<EOF
04925e1e 888
24382dca
RM
889static bfd_size_type
890gld${EMULATION_NAME}_id_note_section_size (bfd *abfd,
91d6fa6a 891 struct bfd_link_info *linfo)
24382dca 892{
91d6fa6a 893 const char *style = linfo->emit_note_gnu_build_id;
24382dca
RM
894 bfd_size_type size;
895
896 abfd = abfd;
897
898 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
899 size = (size + 3) & -(bfd_size_type) 4;
900
901 if (!strcmp (style, "md5") || !strcmp (style, "uuid"))
902 size += 128 / 8;
903 else if (!strcmp (style, "sha1"))
904 size += 160 / 8;
905 else if (!strncmp (style, "0x", 2))
906 {
907 /* ID is in string form (hex). Convert to bits. */
908 const char *id = style + 2;
909 do
910 {
911 if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
912 {
913 ++size;
914 id += 2;
915 }
916 else if (*id == '-' || *id == ':')
917 ++id;
918 else
919 {
920 size = 0;
921 break;
922 }
923 } while (*id != '\0');
924 }
925 else
926 size = 0;
927
928 return size;
929}
930
931static unsigned char
932read_hex (const char xdigit)
933{
934 if (ISDIGIT (xdigit))
935 return xdigit - '0';
936 if (ISUPPER (xdigit))
937 return xdigit - 'A' + 0xa;
938 if (ISLOWER (xdigit))
939 return xdigit - 'a' + 0xa;
940 abort ();
941 return 0;
942}
943
944struct build_id_info
945{
946 const char *style;
947 asection *sec;
948};
949
950static bfd_boolean
951gld${EMULATION_NAME}_write_build_id_section (bfd *abfd)
952{
953 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
1e9cc1c2 954 struct build_id_info *info = (struct build_id_info *)
24382dca
RM
955 elf_tdata (abfd)->after_write_object_contents_info;
956 asection *asec;
957 Elf_Internal_Shdr *i_shdr;
958 unsigned char *contents, *id_bits;
959 bfd_size_type size;
960 Elf_External_Note *e_note;
961
962 asec = info->sec;
83e4970b 963 if (bfd_is_abs_section (asec->output_section))
24382dca 964 {
83e4970b
AM
965 einfo (_("%P: warning: .note.gnu.build-id section discarded,"
966 " --build-id ignored.\n"));
967 return TRUE;
24382dca
RM
968 }
969 i_shdr = &elf_section_data (asec->output_section)->this_hdr;
970
971 if (i_shdr->contents == NULL)
972 {
b2ff8454 973 if (asec->contents == NULL)
1e9cc1c2 974 asec->contents = (unsigned char *) xmalloc (asec->size);
b2ff8454 975 contents = asec->contents;
24382dca 976 }
b2ff8454
RM
977 else
978 contents = i_shdr->contents + asec->output_offset;
24382dca 979
1e9cc1c2 980 e_note = (Elf_External_Note *) contents;
24382dca
RM
981 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
982 size = (size + 3) & -(bfd_size_type) 4;
983 id_bits = contents + size;
984 size = asec->size - size;
985
986 bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
987 bfd_h_put_32 (abfd, size, &e_note->descsz);
988 bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
989 memcpy (e_note->name, "GNU", sizeof "GNU");
990
991 if (!strcmp (info->style, "md5"))
992 {
993 struct md5_ctx ctx;
994 md5_init_ctx (&ctx);
995 if (bed->s->checksum_contents (abfd,
996 (void (*) (const void *, size_t, void *))
997 &md5_process_bytes,
998 &ctx))
999 md5_finish_ctx (&ctx, id_bits);
1000 else
1001 return FALSE;
1002 }
1003 else if (!strcmp (info->style, "sha1"))
1004 {
1005 struct sha1_ctx ctx;
1006 sha1_init_ctx (&ctx);
1007 if (bed->s->checksum_contents (abfd,
1008 (void (*) (const void *, size_t, void *))
1009 &sha1_process_bytes,
1010 &ctx))
1011 sha1_finish_ctx (&ctx, id_bits);
1012 else
1013 return FALSE;
1014 }
1015 else if (!strcmp (info->style, "uuid"))
1016 {
1017 int n;
1018 int fd = open ("/dev/urandom", O_RDONLY);
1019 if (fd < 0)
1020 return FALSE;
1021 n = read (fd, id_bits, size);
1022 close (fd);
1023 if (n < (int) size)
1024 return FALSE;
1025 }
1026 else if (!strncmp (info->style, "0x", 2))
1027 {
1028 /* ID is in string form (hex). Convert to bits. */
1029 const char *id = info->style + 2;
1030 size_t n = 0;
1031 do
1032 {
1033 if (ISXDIGIT (id[0]) && ISXDIGIT (id[1]))
1034 {
1035 id_bits[n] = read_hex (*id++) << 4;
1036 id_bits[n++] |= read_hex (*id++);
1037 }
1038 else if (*id == '-' || *id == ':')
1039 ++id;
1040 else
1041 abort (); /* Should have been validated earlier. */
1042 } while (*id != '\0');
1043 }
1044 else
1045 abort (); /* Should have been validated earlier. */
1046
b2ff8454
RM
1047 size = asec->size;
1048 return (bfd_seek (abfd,
1049 i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0
1050 && bfd_bwrite (contents, size, abfd) == size);
24382dca
RM
1051}
1052
1053
04925e1e 1054/* This is called after all the input files have been opened. */
252b5132
RH
1055
1056static void
0c7a8e5a 1057gld${EMULATION_NAME}_after_open (void)
252b5132 1058{
04925e1e 1059 struct bfd_link_needed_list *needed, *l;
d10e7fcc
AM
1060 struct elf_link_hash_table *htab;
1061
1062 htab = elf_hash_table (&link_info);
1063 if (!is_elf_hash_table (htab))
1064 return;
252b5132 1065
c0065db7
RM
1066 if (link_info.emit_note_gnu_build_id)
1067 {
1068 bfd *abfd;
1069 asection *s;
1070 bfd_size_type size;
1071
a654efd6
L
1072 /* Find an ELF input. */
1073 for (abfd = link_info.input_bfds;
1074 abfd != (bfd *) NULL; abfd = abfd->link_next)
1075 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1076 break;
c0065db7 1077
e9e0a58e 1078 if (abfd == NULL)
c0065db7 1079 {
e9e0a58e
NC
1080 /* PR 10555: If there are no input files do not
1081 try to create a .note.gnu-build-id section. */
c0065db7
RM
1082 free (link_info.emit_note_gnu_build_id);
1083 link_info.emit_note_gnu_build_id = NULL;
1084 }
1085 else
1086 {
e9e0a58e
NC
1087 size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info);
1088 if (size == 0)
c0065db7 1089 {
e9e0a58e
NC
1090 einfo ("%P: warning: unrecognized --build-id style ignored.\n");
1091 free (link_info.emit_note_gnu_build_id);
1092 link_info.emit_note_gnu_build_id = NULL;
c0065db7
RM
1093 }
1094 else
1095 {
e9e0a58e
NC
1096 s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id",
1097 SEC_ALLOC | SEC_LOAD
1098 | SEC_IN_MEMORY | SEC_LINKER_CREATED
1099 | SEC_READONLY | SEC_DATA);
1100 if (s != NULL && bfd_set_section_alignment (abfd, s, 2))
1101 {
1102 struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
1e9cc1c2
NC
1103 struct build_id_info *b =
1104 (struct build_id_info *) xmalloc (sizeof *b);
e9e0a58e
NC
1105
1106 b->style = link_info.emit_note_gnu_build_id;
1107 b->sec = s;
1108 elf_section_type (s) = SHT_NOTE;
1109 s->size = size;
1110 t->after_write_object_contents
1111 = &gld${EMULATION_NAME}_write_build_id_section;
1112 t->after_write_object_contents_info = b;
1113 }
1114 else
1115 {
1116 einfo ("%P: warning: Cannot create .note.gnu.build-id section,"
1117 " --build-id ignored.\n");
1118 free (link_info.emit_note_gnu_build_id);
1119 link_info.emit_note_gnu_build_id = NULL;
1120 }
c0065db7
RM
1121 }
1122 }
1123 }
1124
d10e7fcc
AM
1125 if (link_info.relocatable)
1126 return;
1127
eb3d5f3b 1128 if (link_info.eh_frame_hdr
d10e7fcc 1129 && !link_info.traditional_format)
eb3d5f3b 1130 {
a654efd6
L
1131 bfd *abfd, *elfbfd = NULL;
1132 bfd_boolean warn_eh_frame = FALSE;
d10e7fcc 1133 asection *s;
eb3d5f3b 1134
d10e7fcc 1135 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
eb3d5f3b 1136 {
a654efd6
L
1137 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1138 elfbfd = abfd;
4440bb77
L
1139 if (!warn_eh_frame)
1140 {
1141 s = bfd_get_section_by_name (abfd, ".eh_frame");
1142 warn_eh_frame
1143 = (s
1144 && s->size > 8
1145 && !bfd_is_abs_section (s->output_section));
1146 }
1147 if (elfbfd && warn_eh_frame)
1148 break;
d10e7fcc 1149 }
a654efd6 1150 if (elfbfd)
d10e7fcc
AM
1151 {
1152 const struct elf_backend_data *bed;
1153
a654efd6
L
1154 bed = get_elf_backend_data (elfbfd);
1155 s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr",
1156 bed->dynamic_sec_flags
1157 | SEC_READONLY);
d10e7fcc 1158 if (s != NULL
a654efd6
L
1159 && bfd_set_section_alignment (elfbfd, s, 2))
1160 {
1161 htab->eh_info.hdr_sec = s;
1162 warn_eh_frame = FALSE;
1163 }
eb3d5f3b 1164 }
a654efd6
L
1165 if (warn_eh_frame)
1166 einfo ("%P: warning: Cannot create .eh_frame_hdr section,"
1167 " --eh-frame-hdr ignored.\n");
eb3d5f3b
JB
1168 }
1169
04925e1e
AM
1170 /* Get the list of files which appear in DT_NEEDED entries in
1171 dynamic objects included in the link (often there will be none).
1172 For each such file, we want to track down the corresponding
1173 library, and include the symbol table in the link. This is what
1174 the runtime dynamic linker will do. Tracking the files down here
1175 permits one dynamic object to include another without requiring
1176 special action by the person doing the link. Note that the
1177 needed list can actually grow while we are stepping through this
1178 loop. */
d10e7fcc
AM
1179 if (!link_info.executable)
1180 return;
f13a99db 1181 needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info);
04925e1e 1182 for (l = needed; l != NULL; l = l->next)
252b5132 1183 {
04925e1e 1184 struct bfd_link_needed_list *ll;
e56f61be 1185 struct dt_needed n, nn;
04925e1e 1186 int force;
252b5132 1187
7e9f0867
AM
1188 /* If the lib that needs this one was --as-needed and wasn't
1189 found to be needed, then this lib isn't needed either. */
1190 if (l->by != NULL
1191 && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
1192 continue;
1193
04925e1e
AM
1194 /* If we've already seen this file, skip it. */
1195 for (ll = needed; ll != l; ll = ll->next)
7e9f0867
AM
1196 if ((ll->by == NULL
1197 || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
1198 && strcmp (ll->name, l->name) == 0)
04925e1e
AM
1199 break;
1200 if (ll != l)
1201 continue;
252b5132 1202
04925e1e
AM
1203 /* See if this file was included in the link explicitly. */
1204 global_needed = l;
e13629bc 1205 global_found = NULL;
04925e1e 1206 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
e13629bc
AM
1207 if (global_found != NULL
1208 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
1209 & DYN_AS_NEEDED) == 0)
04925e1e 1210 continue;
252b5132 1211
e56f61be
L
1212 n.by = l->by;
1213 n.name = l->name;
1214 nn.by = l->by;
ec4eb78a
L
1215 if (trace_file_tries)
1216 info_msg (_("%s needed by %B\n"), l->name, l->by);
1217
e13629bc
AM
1218 /* As-needed libs specified on the command line (or linker script)
1219 take priority over libs found in search dirs. */
1220 if (global_found != NULL)
1221 {
1222 nn.name = global_found->filename;
1223 if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
1224 continue;
1225 }
1226
04925e1e
AM
1227 /* We need to find this file and include the symbol table. We
1228 want to search for the file in the same way that the dynamic
1229 linker will search. That means that we want to use
1230 rpath_link, rpath, then the environment variable
ec4eb78a
L
1231 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
1232 entries (native only), then the linker script LIB_SEARCH_DIRS.
1233 We do not search using the -L arguments.
252b5132 1234
04925e1e
AM
1235 We search twice. The first time, we skip objects which may
1236 introduce version mismatches. The second time, we force
1237 their use. See gld${EMULATION_NAME}_vercheck comment. */
1238 for (force = 0; force < 2; force++)
1239 {
04925e1e
AM
1240 size_t len;
1241 search_dirs_type *search;
6dd8c765 1242EOF
ff925e69 1243if [ "x${NATIVE}" = xyes ] ; then
92b93329 1244fragment <<EOF
dcb0bd0e 1245 const char *lib_path;
ff925e69
KK
1246EOF
1247fi
1248if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1249fragment <<EOF
6dd8c765
L
1250 struct bfd_link_needed_list *rp;
1251 int found;
1252EOF
6dd8c765 1253fi
92b93329 1254fragment <<EOF
252b5132 1255
04925e1e 1256 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
e56f61be 1257 &n, force))
04925e1e 1258 break;
dcb0bd0e 1259EOF
9c8ebd6a 1260if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1261fragment <<EOF
04925e1e 1262 if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
e56f61be 1263 &n, force))
04925e1e 1264 break;
9c8ebd6a
DJ
1265EOF
1266fi
1267if [ "x${NATIVE}" = xyes ] ; then
92b93329 1268fragment <<EOF
04925e1e
AM
1269 if (command_line.rpath_link == NULL
1270 && command_line.rpath == NULL)
1271 {
1272 lib_path = (const char *) getenv ("LD_RUN_PATH");
e56f61be 1273 if (gld${EMULATION_NAME}_search_needed (lib_path, &n,
04925e1e
AM
1274 force))
1275 break;
1276 }
04925e1e 1277 lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
e56f61be 1278 if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force))
04925e1e 1279 break;
9c8ebd6a
DJ
1280EOF
1281fi
1282if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1283fragment <<EOF
ec4eb78a 1284 found = 0;
f13a99db 1285 rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
6dd8c765 1286 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a 1287 {
9c8ebd6a 1288 char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name);
ec4eb78a 1289 found = (rp->by == l->by
9c8ebd6a 1290 && gld${EMULATION_NAME}_search_needed (tmpname,
e56f61be 1291 &n,
ec4eb78a 1292 force));
9c8ebd6a 1293 free (tmpname);
ec4eb78a
L
1294 }
1295 if (found)
1296 break;
1297
04925e1e 1298EOF
04925e1e 1299fi
c1446dba
L
1300if [ "x${USE_LIBPATH}" = xyes ] ; then
1301 case ${target} in
ebe1fac1 1302 *-*-freebsd* | *-*-dragonfly*)
92b93329 1303 fragment <<EOF
ebe1fac1
NC
1304 if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force))
1305 break;
1306EOF
1307 # FreeBSD
1308 ;;
1309
c1446dba
L
1310 *-*-linux-* | *-*-k*bsd*-*)
1311 # Linux
92b93329 1312 fragment <<EOF
c1446dba
L
1313 if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
1314 break;
1315
1316EOF
1317 ;;
1318 esac
1319fi
92b93329 1320fragment <<EOF
04925e1e
AM
1321 len = strlen (l->name);
1322 for (search = search_head; search != NULL; search = search->next)
1323 {
1324 char *filename;
252b5132 1325
04925e1e
AM
1326 if (search->cmdline)
1327 continue;
1328 filename = (char *) xmalloc (strlen (search->name) + len + 2);
1329 sprintf (filename, "%s/%s", search->name, l->name);
e56f61be
L
1330 nn.name = filename;
1331 if (gld${EMULATION_NAME}_try_needed (&nn, force))
04925e1e
AM
1332 break;
1333 free (filename);
1334 }
1335 if (search != NULL)
1336 break;
1337EOF
92b93329 1338fragment <<EOF
04925e1e 1339 }
252b5132 1340
04925e1e
AM
1341 if (force < 2)
1342 continue;
252b5132 1343
e374f1d9 1344 einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
04925e1e
AM
1345 l->name, l->by);
1346 }
1347}
252b5132 1348
41392f03
AM
1349EOF
1350fi
1351
92b93329 1352fragment <<EOF
252b5132 1353
04925e1e 1354/* Look through an expression for an assignment statement. */
252b5132 1355
04925e1e 1356static void
0c7a8e5a 1357gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
04925e1e 1358{
4ea42fb7 1359 bfd_boolean provide = FALSE;
04925e1e
AM
1360
1361 switch (exp->type.node_class)
252b5132 1362 {
04925e1e 1363 case etree_provide:
bded3693 1364 case etree_provided:
4ea42fb7
AM
1365 provide = TRUE;
1366 /* Fall thru */
1367 case etree_assign:
04925e1e
AM
1368 /* We call record_link_assignment even if the symbol is defined.
1369 This is because if it is defined by a dynamic object, we
1370 actually want to use the value defined by the linker script,
1371 not the value from the dynamic object (because we are setting
1372 symbols like etext). If the symbol is defined by a regular
1373 object, then, as it happens, calling record_link_assignment
1374 will do no harm. */
04925e1e 1375 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 1376 {
f13a99db
AM
1377 if (!bfd_elf_record_link_assignment (link_info.output_bfd,
1378 &link_info,
fe21a8fc
L
1379 exp->assign.dst, provide,
1380 exp->assign.hidden))
04925e1e
AM
1381 einfo ("%P%F: failed to record assignment to %s: %E\n",
1382 exp->assign.dst);
252b5132 1383 }
04925e1e
AM
1384 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1385 break;
252b5132 1386
04925e1e
AM
1387 case etree_binary:
1388 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1389 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1390 break;
252b5132 1391
04925e1e
AM
1392 case etree_trinary:
1393 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1394 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1395 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1396 break;
252b5132 1397
04925e1e
AM
1398 case etree_unary:
1399 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1400 break;
252b5132 1401
04925e1e
AM
1402 default:
1403 break;
252b5132
RH
1404 }
1405}
1406
04925e1e
AM
1407
1408/* This is called by the before_allocation routine via
1409 lang_for_each_statement. It locates any assignment statements, and
1410 tells the ELF backend about them, in case they are assignments to
1411 symbols which are referred to by dynamic objects. */
1412
1413static void
0c7a8e5a 1414gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
04925e1e
AM
1415{
1416 if (s->header.type == lang_assignment_statement_enum)
1417 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1418}
1419
41392f03
AM
1420EOF
1421
1422if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
57e6abd2
AO
1423 if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
1424 ELF_INTERPRETER_SET_DEFAULT="
1425 if (sinterp != NULL)
1426 {
5718918d
AM
1427 sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
1428 sinterp->size = strlen ((char *) sinterp->contents) + 1;
57e6abd2
AO
1429 }
1430
1431"
1432 else
1433 ELF_INTERPRETER_SET_DEFAULT=
1434 fi
92b93329 1435fragment <<EOF
04925e1e 1436
7ee314fa
AM
1437/* used by before_allocation and handle_option. */
1438static void
91d6fa6a 1439gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg)
7ee314fa
AM
1440{
1441 if (*to == NULL)
91d6fa6a 1442 *to = xstrdup (op_arg);
7ee314fa
AM
1443 else
1444 {
1445 size_t to_len = strlen (*to);
91d6fa6a 1446 size_t op_arg_len = strlen (op_arg);
7ee314fa
AM
1447 char *buf;
1448 char *cp = *to;
1449
1450 /* First see whether OPTARG is already in the path. */
1451 do
1452 {
91d6fa6a
NC
1453 if (strncmp (op_arg, cp, op_arg_len) == 0
1454 && (cp[op_arg_len] == 0
1455 || cp[op_arg_len] == config.rpath_separator))
7ee314fa
AM
1456 /* We found it. */
1457 break;
1458
1459 /* Not yet found. */
1460 cp = strchr (cp, config.rpath_separator);
1461 if (cp != NULL)
1462 ++cp;
1463 }
1464 while (cp != NULL);
1465
1466 if (cp == NULL)
1467 {
91d6fa6a 1468 buf = xmalloc (to_len + op_arg_len + 2);
7ee314fa 1469 sprintf (buf, "%s%c%s", *to,
91d6fa6a 1470 config.rpath_separator, op_arg);
7ee314fa
AM
1471 free (*to);
1472 *to = buf;
1473 }
1474 }
1475}
1476
252b5132
RH
1477/* This is called after the sections have been attached to output
1478 sections, but before any sizes or addresses have been set. */
1479
1480static void
0c7a8e5a 1481gld${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1482{
1483 const char *rpath;
1484 asection *sinterp;
7ee314fa 1485 bfd *abfd;
252b5132 1486
fd574c46 1487 if (link_info.hash->type == bfd_link_elf_hash_table)
f13a99db 1488 _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
e1918d23 1489
252b5132
RH
1490 /* If we are going to make any variable assignments, we need to let
1491 the ELF backend know about them in case the variables are
1492 referred to by dynamic objects. */
1493 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
1494
1495 /* Let the ELF backend work out the sizes of any sections required
1496 by dynamic linking. */
1497 rpath = command_line.rpath;
1498 if (rpath == NULL)
1499 rpath = (const char *) getenv ("LD_RUN_PATH");
7ee314fa
AM
1500
1501 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next)
8dd881b6
L
1502 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1503 {
1504 const char *audit_libs = elf_dt_audit (abfd);
7ee314fa 1505
8dd881b6
L
1506 /* If the input bfd contains an audit entry, we need to add it as
1507 a dep audit entry. */
1508 if (audit_libs && *audit_libs != '\0')
1509 {
1510 char *cp = xstrdup (audit_libs);
1511 do
1512 {
1513 int more = 0;
1514 char *cp2 = strchr (cp, config.rpath_separator);
7ee314fa 1515
8dd881b6
L
1516 if (cp2)
1517 {
1518 *cp2 = '\0';
1519 more = 1;
1520 }
7ee314fa 1521
8dd881b6
L
1522 if (cp != NULL && *cp != '\0')
1523 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp);
1524
1525 cp = more ? ++cp2 : NULL;
1526 }
1527 while (cp != NULL);
1528 }
1529 }
7ee314fa 1530
5a580b3a 1531 if (! (bfd_elf_size_dynamic_sections
f13a99db 1532 (link_info.output_bfd, command_line.soname, rpath,
7ee314fa 1533 command_line.filter_shlib, audit, depaudit,
252b5132
RH
1534 (const char * const *) command_line.auxiliary_filters,
1535 &link_info, &sinterp, lang_elf_version_info)))
1536 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
8423293d 1537
57e6abd2 1538${ELF_INTERPRETER_SET_DEFAULT}
252b5132
RH
1539 /* Let the user override the dynamic linker we are using. */
1540 if (command_line.interpreter != NULL
1541 && sinterp != NULL)
1542 {
1543 sinterp->contents = (bfd_byte *) command_line.interpreter;
eea6121a 1544 sinterp->size = strlen (command_line.interpreter) + 1;
252b5132
RH
1545 }
1546
1547 /* Look for any sections named .gnu.warning. As a GNU extensions,
1548 we treat such sections as containing warning messages. We print
1549 out the warning message, and then zero out the section size so
1550 that it does not get copied into the output file. */
1551
1552 {
1553 LANG_FOR_EACH_INPUT_STATEMENT (is)
1554 {
1555 asection *s;
1556 bfd_size_type sz;
1557 char *msg;
b34976b6 1558 bfd_boolean ret;
252b5132
RH
1559
1560 if (is->just_syms_flag)
1561 continue;
1562
1563 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
1564 if (s == NULL)
1565 continue;
1566
eea6121a 1567 sz = s->size;
1e9cc1c2 1568 msg = (char *) xmalloc ((size_t) (sz + 1));
bc251d50 1569 if (! bfd_get_section_contents (is->the_bfd, s, msg,
8c675694 1570 (file_ptr) 0, sz))
252b5132
RH
1571 einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
1572 is->the_bfd);
bc251d50 1573 msg[sz] = '\0';
252b5132
RH
1574 ret = link_info.callbacks->warning (&link_info, msg,
1575 (const char *) NULL,
1576 is->the_bfd, (asection *) NULL,
1577 (bfd_vma) 0);
1578 ASSERT (ret);
1579 free (msg);
1580
9e3be61d
AM
1581 /* Clobber the section size, so that we don't waste space
1582 copying the warning into the output file. If we've already
1583 sized the output section, adjust its size. The adjustment
1584 is on rawsize because targets that size sections early will
1585 have called lang_reset_memory_regions after sizing. */
1586 if (s->output_section != NULL
1587 && s->output_section->rawsize >= s->size)
1588 s->output_section->rawsize -= s->size;
1589
eea6121a 1590 s->size = 0;
11d2f718 1591
9e3be61d
AM
1592 /* Also set SEC_EXCLUDE, so that local symbols defined in the
1593 warning section don't get copied to the output. */
a14a5de3 1594 s->flags |= SEC_EXCLUDE | SEC_KEEP;
252b5132
RH
1595 }
1596 }
8423293d 1597
1e035701 1598 before_allocation_default ();
8423293d 1599
f13a99db 1600 if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
8423293d 1601 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
252b5132
RH
1602}
1603
41392f03
AM
1604EOF
1605fi
1606
1607if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
92b93329 1608fragment <<EOF
252b5132 1609
04925e1e
AM
1610/* Try to open a dynamic archive. This is where we know that ELF
1611 dynamic libraries have an extension of .so (or .sl on oddball systems
1612 like hpux). */
1613
b34976b6 1614static bfd_boolean
0c7a8e5a
AM
1615gld${EMULATION_NAME}_open_dynamic_archive
1616 (const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
252b5132 1617{
04925e1e
AM
1618 const char *filename;
1619 char *string;
252b5132 1620
04925e1e 1621 if (! entry->is_archive)
b34976b6 1622 return FALSE;
252b5132 1623
04925e1e 1624 filename = entry->filename;
252b5132 1625
04925e1e
AM
1626 /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
1627 is defined, but it does not seem worth the headache to optimize
1628 away those two bytes of space. */
1629 string = (char *) xmalloc (strlen (search->name)
1630 + strlen (filename)
1631 + strlen (arch)
1632#ifdef EXTRA_SHLIB_EXTENSION
1633 + strlen (EXTRA_SHLIB_EXTENSION)
1634#endif
1635 + sizeof "/lib.so");
1636
1637 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
1638
1639#ifdef EXTRA_SHLIB_EXTENSION
1640 /* Try the .so extension first. If that fails build a new filename
1641 using EXTRA_SHLIB_EXTENSION. */
1642 if (! ldfile_try_open_bfd (string, entry))
a26cc967
AM
1643 {
1644 sprintf (string, "%s/lib%s%s%s", search->name,
1645 filename, arch, EXTRA_SHLIB_EXTENSION);
04925e1e
AM
1646#endif
1647
1648 if (! ldfile_try_open_bfd (string, entry))
252b5132 1649 {
04925e1e 1650 free (string);
b34976b6 1651 return FALSE;
04925e1e 1652 }
a26cc967
AM
1653#ifdef EXTRA_SHLIB_EXTENSION
1654 }
1655#endif
252b5132 1656
04925e1e 1657 entry->filename = string;
252b5132 1658
04925e1e
AM
1659 /* We have found a dynamic object to include in the link. The ELF
1660 backend linker will create a DT_NEEDED entry in the .dynamic
1661 section naming this file. If this file includes a DT_SONAME
1662 entry, it will be used. Otherwise, the ELF linker will just use
1663 the name of the file. For an archive found by searching, like
1664 this one, the DT_NEEDED entry should consist of just the name of
1665 the file, without the path information used to find it. Note
1666 that we only need to do this if we have a dynamic object; an
1667 archive will never be referenced by a DT_NEEDED entry.
252b5132 1668
04925e1e
AM
1669 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
1670 very pretty. I haven't been able to think of anything that is
1671 pretty, though. */
1672 if (bfd_check_format (entry->the_bfd, bfd_object)
1673 && (entry->the_bfd->flags & DYNAMIC) != 0)
1674 {
04925e1e 1675 ASSERT (entry->is_archive && entry->search_dirs_flag);
252b5132 1676
04925e1e 1677 /* Rather than duplicating the logic above. Just use the
1c9acd94 1678 filename we recorded earlier. */
04925e1e 1679
fed2999d 1680 filename = lbasename (entry->filename);
1c9acd94 1681 bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
04925e1e
AM
1682 }
1683
b34976b6 1684 return TRUE;
04925e1e
AM
1685}
1686
41392f03
AM
1687EOF
1688fi
cde43e70
AM
1689
1690if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
92b93329 1691fragment <<EOF
41392f03 1692
afd7a018 1693/* A variant of lang_output_section_find used by place_orphan. */
04925e1e 1694
04925e1e 1695static lang_output_section_statement_type *
2a36a117 1696output_rel_find (asection *sec, int isdyn)
04925e1e 1697{
04925e1e 1698 lang_output_section_statement_type *lookup;
ba493122 1699 lang_output_section_statement_type *last = NULL;
2a36a117 1700 lang_output_section_statement_type *last_alloc = NULL;
48f2ff54 1701 lang_output_section_statement_type *last_ro_alloc = NULL;
ba493122
AM
1702 lang_output_section_statement_type *last_rel = NULL;
1703 lang_output_section_statement_type *last_rel_alloc = NULL;
24cdb50a 1704 int rela = sec->name[4] == 'a';
04925e1e 1705
afd7a018
AM
1706 for (lookup = &lang_output_section_statement.head->output_section_statement;
1707 lookup != NULL;
1708 lookup = lookup->next)
04925e1e 1709 {
66c103b7 1710 if (lookup->constraint >= 0
0112cd26 1711 && CONST_STRNEQ (lookup->name, ".rel"))
04925e1e 1712 {
24cdb50a 1713 int lookrela = lookup->name[4] == 'a';
ba493122 1714
2a36a117
AM
1715 /* .rel.dyn must come before all other reloc sections, to suit
1716 GNU ld.so. */
1717 if (isdyn)
1718 break;
1719
1720 /* Don't place after .rel.plt as doing so results in wrong
1721 dynamic tags. */
1722 if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
ba493122 1723 break;
2a36a117
AM
1724
1725 if (rela == lookrela || last_rel == NULL)
24cdb50a 1726 last_rel = lookup;
2a36a117
AM
1727 if ((rela == lookrela || last_rel_alloc == NULL)
1728 && lookup->bfd_section != NULL
ba493122
AM
1729 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1730 last_rel_alloc = lookup;
04925e1e 1731 }
2a36a117
AM
1732
1733 last = lookup;
1734 if (lookup->bfd_section != NULL
1735 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
48f2ff54
AM
1736 {
1737 last_alloc = lookup;
1738 if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
1739 last_ro_alloc = lookup;
1740 }
252b5132 1741 }
ba493122
AM
1742
1743 if (last_rel_alloc)
1744 return last_rel_alloc;
1745
1746 if (last_rel)
1747 return last_rel;
1748
48f2ff54
AM
1749 if (last_ro_alloc)
1750 return last_ro_alloc;
1751
2a36a117
AM
1752 if (last_alloc)
1753 return last_alloc;
1754
ba493122 1755 return last;
252b5132
RH
1756}
1757
1758/* Place an orphan section. We use this to put random SHF_ALLOC
1759 sections in the right segment. */
1760
c2edb4b8 1761static lang_output_section_statement_type *
8a99a385
AM
1762gld${EMULATION_NAME}_place_orphan (asection *s,
1763 const char *secname,
1764 int constraint)
252b5132 1765{
afd7a018
AM
1766 static struct orphan_save hold[] =
1767 {
1768 { ".text",
1769 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
1770 0, 0, 0, 0 },
1771 { ".rodata",
1772 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1773 0, 0, 0, 0 },
1774 { ".data",
1775 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
1776 0, 0, 0, 0 },
1777 { ".bss",
1778 SEC_ALLOC,
1779 0, 0, 0, 0 },
1780 { 0,
1781 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1782 0, 0, 0, 0 },
1783 { ".interp",
1784 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
1785 0, 0, 0, 0 },
1786 { ".sdata",
1787 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
07890c07
AM
1788 0, 0, 0, 0 },
1789 { 0,
1790 SEC_HAS_CONTENTS,
1791 0, 0, 0, 0 },
afd7a018
AM
1792 };
1793 enum orphan_save_index
1794 {
1795 orphan_text = 0,
1796 orphan_rodata,
1797 orphan_data,
1798 orphan_bss,
1799 orphan_rel,
1800 orphan_interp,
07890c07
AM
1801 orphan_sdata,
1802 orphan_nonalloc
afd7a018
AM
1803 };
1804 static int orphan_init_done = 0;
6a345e87 1805 struct orphan_save *place;
afd7a018 1806 lang_output_section_statement_type *after;
252b5132 1807 lang_output_section_statement_type *os;
b5f14a6d 1808 lang_output_section_statement_type *match_by_name = NULL;
24cdb50a 1809 int isdyn = 0;
ecca9871
L
1810 int iself = s->owner->xvec->flavour == bfd_target_elf_flavour;
1811 unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL;
252b5132 1812
1049f94e 1813 if (! link_info.relocatable
24cdb50a 1814 && link_info.combreloc
ecca9871 1815 && (s->flags & SEC_ALLOC))
24cdb50a 1816 {
ecca9871
L
1817 if (iself)
1818 switch (sh_type)
1819 {
1820 case SHT_RELA:
1821 secname = ".rela.dyn";
1822 isdyn = 1;
1823 break;
1824 case SHT_REL:
1825 secname = ".rel.dyn";
1826 isdyn = 1;
1827 break;
1828 default:
1829 break;
1830 }
0112cd26 1831 else if (CONST_STRNEQ (secname, ".rel"))
ecca9871
L
1832 {
1833 secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
1834 isdyn = 1;
1835 }
24cdb50a 1836 }
aea4bd9d 1837
bcacc0f5 1838 /* Look through the script to see where to place this section. */
d127ecce
AM
1839 if (constraint == 0)
1840 for (os = lang_output_section_find (secname);
1841 os != NULL;
1842 os = next_matching_output_section_statement (os, 0))
1843 {
1844 /* If we don't match an existing output section, tell
1845 lang_insert_orphan to create a new output section. */
1846 constraint = SPECIAL;
1847
1848 if (os->bfd_section != NULL
1849 && (os->bfd_section->flags == 0
1850 || (_bfd_elf_match_sections_by_type (link_info.output_bfd,
1851 os->bfd_section,
1852 s->owner, s)
1853 && ((s->flags ^ os->bfd_section->flags)
1854 & (SEC_LOAD | SEC_ALLOC)) == 0)))
1855 {
1856 /* We already have an output section statement with this
1857 name, and its bfd section has compatible flags.
1858 If the section already exists but does not have any flags
1859 set, then it has been created by the linker, probably as a
1860 result of a --section-start command line switch. */
1861 lang_add_section (&os->children, s, os);
1862 return os;
1863 }
b5f14a6d
DD
1864
1865 /* Save unused output sections in case we can match them
1866 against orphans later. */
1867 if (os->bfd_section == NULL)
1868 match_by_name = os;
d127ecce 1869 }
252b5132 1870
b5f14a6d
DD
1871 /* If we didn't match an active output section, see if we matched an
1872 unused one and use that. */
1873 if (match_by_name)
1874 {
1875 lang_add_section (&match_by_name->children, s, match_by_name);
1876 return match_by_name;
1877 }
1878
afd7a018
AM
1879 if (!orphan_init_done)
1880 {
07890c07 1881 lang_output_section_statement_type *lookup;
afd7a018 1882 struct orphan_save *ho;
07890c07 1883
afd7a018
AM
1884 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
1885 if (ho->name != NULL)
1886 {
1887 ho->os = lang_output_section_find (ho->name);
1888 if (ho->os != NULL && ho->os->flags == 0)
1889 ho->os->flags = ho->flags;
1890 }
07890c07
AM
1891 lookup = hold[orphan_bss].os;
1892 if (lookup == NULL)
1893 lookup = &lang_output_section_statement.head->output_section_statement;
1894 for (; lookup != NULL; lookup = lookup->next)
1895 if ((lookup->bfd_section != NULL
1896 && (lookup->bfd_section->flags & SEC_DEBUGGING) != 0)
1897 || strcmp (lookup->name, ".comment") == 0)
1898 break;
1899 hold[orphan_nonalloc].os = lookup ? lookup->prev : NULL;
1900 hold[orphan_nonalloc].name = ".comment";
afd7a018
AM
1901 orphan_init_done = 1;
1902 }
252b5132
RH
1903
1904 /* If this is a final link, then always put .gnu.warning.SYMBOL
1905 sections into the .text section to get them out of the way. */
36af4a4e 1906 if (link_info.executable
1049f94e 1907 && ! link_info.relocatable
bcacc0f5 1908 && CONST_STRNEQ (s->name, ".gnu.warning.")
afd7a018 1909 && hold[orphan_text].os != NULL)
252b5132 1910 {
c2edb4b8
AM
1911 os = hold[orphan_text].os;
1912 lang_add_section (&os->children, s, os);
1913 return os;
252b5132
RH
1914 }
1915
1916 /* Decide which segment the section should go in based on the
1917 section name and section flags. We put loadable .note sections
1918 right after the .interp section, so that the PT_NOTE segment is
1919 stored right after the program headers where the OS can read it
1920 in the first page. */
aea4bd9d 1921
71bfc0ae 1922 place = NULL;
07890c07
AM
1923 if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0)
1924 place = &hold[orphan_nonalloc];
1925 else if ((s->flags & SEC_ALLOC) == 0)
71bfc0ae 1926 ;
252b5132 1927 else if ((s->flags & SEC_LOAD) != 0
ecca9871 1928 && ((iself && sh_type == SHT_NOTE)
0112cd26 1929 || (!iself && CONST_STRNEQ (secname, ".note"))))
afd7a018
AM
1930 place = &hold[orphan_interp];
1931 else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
1932 place = &hold[orphan_bss];
1933 else if ((s->flags & SEC_SMALL_DATA) != 0)
1934 place = &hold[orphan_sdata];
1935 else if ((s->flags & SEC_READONLY) == 0)
1936 place = &hold[orphan_data];
ecca9871 1937 else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL))
0112cd26 1938 || (!iself && CONST_STRNEQ (secname, ".rel")))
afd7a018
AM
1939 && (s->flags & SEC_LOAD) != 0)
1940 place = &hold[orphan_rel];
1941 else if ((s->flags & SEC_CODE) == 0)
1942 place = &hold[orphan_rodata];
1943 else
1944 place = &hold[orphan_text];
71bfc0ae 1945
afd7a018 1946 after = NULL;
5ba47421 1947 if (place != NULL)
252b5132 1948 {
afd7a018 1949 if (place->os == NULL)
5ba47421 1950 {
afd7a018
AM
1951 if (place->name != NULL)
1952 place->os = lang_output_section_find (place->name);
1953 else
1954 place->os = output_rel_find (s, isdyn);
5ba47421 1955 }
afd7a018
AM
1956 after = place->os;
1957 if (after == NULL)
390fbbf1
AM
1958 after = lang_output_section_find_by_flags
1959 (s, &place->os, _bfd_elf_match_sections_by_type);
afd7a018
AM
1960 if (after == NULL)
1961 /* *ABS* is always the first output section statement. */
1962 after = &lang_output_section_statement.head->output_section_statement;
252b5132
RH
1963 }
1964
c2edb4b8 1965 return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL);
252b5132 1966}
c56feb2b
AM
1967EOF
1968fi
1969
eaeb0a9d 1970if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
92b93329 1971fragment <<EOF
252b5132 1972
deb04cdb 1973static void
eaeb0a9d 1974gld${EMULATION_NAME}_after_allocation (void)
deb04cdb 1975{
f13a99db
AM
1976 bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd,
1977 &link_info);
8ded5a0f 1978 gld${EMULATION_NAME}_map_segments (need_layout);
73d074b4 1979}
41392f03
AM
1980EOF
1981fi
1982
1983if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
92b93329 1984fragment <<EOF
252b5132
RH
1985
1986static char *
0c7a8e5a 1987gld${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
1988EOF
1989
1990if test -n "$COMPILE_IN"
1991then
1992# Scripts compiled in.
1993
1994# sed commands to quote an ld script as a C string.
597e2591 1995sc="-f stringify.sed"
252b5132 1996
92b93329 1997fragment <<EOF
60bcf0fa 1998{
252b5132
RH
1999 *isfile = 0;
2000
1049f94e 2001 if (link_info.relocatable && config.build_constructors)
597e2591 2002 return
252b5132 2003EOF
afd7a018
AM
2004sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
2005echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
2006sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2007echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2008sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
61585df2 2009if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
afd7a018
AM
2010echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2011sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
db6751f2 2012fi
36af4a4e
JJ
2013if test -n "$GENERATE_PIE_SCRIPT" ; then
2014if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2015echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c
2016echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2017echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2018sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
36af4a4e 2019echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2020sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
36af4a4e 2021fi
afd7a018
AM
2022echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c
2023sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
36af4a4e 2024fi
252b5132 2025if test -n "$GENERATE_SHLIB_SCRIPT" ; then
82434356 2026if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b
JJ
2027echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c
2028echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2029echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2030sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
db6751f2 2031echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2032sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
82434356 2033fi
afd7a018
AM
2034echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
2035sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132 2036fi
82434356 2037if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
8c37241b 2038echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2039echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018
AM
2040sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
2041echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
2042sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
82434356 2043fi
afd7a018
AM
2044echo ' ; else return' >> e${EMULATION_NAME}.c
2045sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2046echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
2047
2048else
2049# Scripts read from the filesystem.
2050
92b93329 2051fragment <<EOF
60bcf0fa 2052{
252b5132
RH
2053 *isfile = 1;
2054
1049f94e 2055 if (link_info.relocatable && config.build_constructors)
252b5132 2056 return "ldscripts/${EMULATION_NAME}.xu";
1049f94e 2057 else if (link_info.relocatable)
252b5132
RH
2058 return "ldscripts/${EMULATION_NAME}.xr";
2059 else if (!config.text_read_only)
2060 return "ldscripts/${EMULATION_NAME}.xbn";
a060b769
AM
2061EOF
2062if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
2063else
92b93329 2064fragment <<EOF
252b5132
RH
2065 else if (!config.magic_demand_paged)
2066 return "ldscripts/${EMULATION_NAME}.xn";
a060b769
AM
2067EOF
2068fi
36af4a4e
JJ
2069if test -n "$GENERATE_PIE_SCRIPT" ; then
2070if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2071fragment <<EOF
8c37241b 2072 else if (link_info.pie && link_info.combreloc
fbfca19e 2073 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2074 return "ldscripts/${EMULATION_NAME}.xdw";
36af4a4e
JJ
2075 else if (link_info.pie && link_info.combreloc)
2076 return "ldscripts/${EMULATION_NAME}.xdc";
2077EOF
2078fi
92b93329 2079fragment <<EOF
36af4a4e
JJ
2080 else if (link_info.pie)
2081 return "ldscripts/${EMULATION_NAME}.xd";
2082EOF
2083fi
a060b769
AM
2084if test -n "$GENERATE_SHLIB_SCRIPT" ; then
2085if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2086fragment <<EOF
8c37241b 2087 else if (link_info.shared && link_info.combreloc
fbfca19e 2088 && link_info.relro && (link_info.flags & DF_BIND_NOW))
8c37241b 2089 return "ldscripts/${EMULATION_NAME}.xsw";
a060b769
AM
2090 else if (link_info.shared && link_info.combreloc)
2091 return "ldscripts/${EMULATION_NAME}.xsc";
2092EOF
2093fi
92b93329 2094fragment <<EOF
252b5132
RH
2095 else if (link_info.shared)
2096 return "ldscripts/${EMULATION_NAME}.xs";
a060b769
AM
2097EOF
2098fi
2099if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2100fragment <<EOF
8c37241b 2101 else if (link_info.combreloc && link_info.relro
fbfca19e 2102 && (link_info.flags & DF_BIND_NOW))
8c37241b 2103 return "ldscripts/${EMULATION_NAME}.xw";
a060b769
AM
2104 else if (link_info.combreloc)
2105 return "ldscripts/${EMULATION_NAME}.xc";
2106EOF
2107fi
92b93329 2108fragment <<EOF
252b5132
RH
2109 else
2110 return "ldscripts/${EMULATION_NAME}.x";
2111}
252b5132 2112
3b108066 2113EOF
41392f03
AM
2114fi
2115fi
3b108066 2116
41392f03 2117if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
3b108066 2118
e0ee487b 2119if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
92b93329 2120fragment <<EOF
e0ee487b
L
2121 $PARSE_AND_LIST_PROLOGUE
2122EOF
2123fi
2124
92b93329 2125fragment <<EOF
e0ee487b 2126
6c1439be
L
2127#define OPTION_DISABLE_NEW_DTAGS (400)
2128#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
a1ab1d2a 2129#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
65765700 2130#define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1)
b58f81ae 2131#define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1)
fdc90cb4 2132#define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1)
c0065db7 2133#define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1)
7ee314fa 2134#define OPTION_AUDIT (OPTION_BUILD_ID + 1)
e13629bc 2135
3bcf5557 2136static void
0c7a8e5a
AM
2137gld${EMULATION_NAME}_add_options
2138 (int ns, char **shortopts, int nl, struct option **longopts,
2139 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
e0ee487b 2140{
7ee314fa 2141 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
3bcf5557 2142 static const struct option xtra_long[] = {
c0065db7 2143 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
7ee314fa
AM
2144 {"audit", required_argument, NULL, OPTION_AUDIT},
2145 {"depaudit", required_argument, NULL, 'P'},
e0ee487b 2146EOF
e0ee487b
L
2147
2148if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2149fragment <<EOF
3bcf5557
AM
2150 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
2151 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
2152 {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
b58f81ae 2153 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
fdc90cb4 2154 {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
3bcf5557 2155 {"Bgroup", no_argument, NULL, OPTION_GROUP},
e0ee487b
L
2156EOF
2157fi
2158
2159if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
92b93329 2160fragment <<EOF
3bcf5557 2161 $PARSE_AND_LIST_LONGOPTS
e0ee487b
L
2162EOF
2163fi
2164
92b93329 2165fragment <<EOF
3bcf5557
AM
2166 {NULL, no_argument, NULL, 0}
2167 };
2168
2169 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
2170 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
2171 *longopts = (struct option *)
2172 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
2173 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
2174}
04925e1e 2175
24382dca 2176#define DEFAULT_BUILD_ID_STYLE "sha1"
c0065db7 2177
3bcf5557 2178static bfd_boolean
0c7a8e5a 2179gld${EMULATION_NAME}_handle_option (int optc)
e0ee487b 2180{
e0ee487b
L
2181 switch (optc)
2182 {
2183 default:
3bcf5557 2184 return FALSE;
6c1439be 2185
c0065db7
RM
2186 case OPTION_BUILD_ID:
2187 if (link_info.emit_note_gnu_build_id != NULL)
2188 {
2189 free (link_info.emit_note_gnu_build_id);
2190 link_info.emit_note_gnu_build_id = NULL;
2191 }
2192 if (optarg == NULL)
2193 optarg = DEFAULT_BUILD_ID_STYLE;
2194 if (strcmp (optarg, "none"))
2195 link_info.emit_note_gnu_build_id = xstrdup (optarg);
2196 break;
7ee314fa
AM
2197 case OPTION_AUDIT:
2198 gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg);
2199 break;
2200 case 'P':
2201 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg);
2202 break;
c0065db7 2203
e0ee487b 2204EOF
e0ee487b
L
2205
2206if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2207fragment <<EOF
6c1439be 2208 case OPTION_DISABLE_NEW_DTAGS:
b34976b6 2209 link_info.new_dtags = FALSE;
6c1439be
L
2210 break;
2211
2212 case OPTION_ENABLE_NEW_DTAGS:
b34976b6 2213 link_info.new_dtags = TRUE;
6c1439be
L
2214 break;
2215
65765700 2216 case OPTION_EH_FRAME_HDR:
b34976b6 2217 link_info.eh_frame_hdr = TRUE;
65765700
JJ
2218 break;
2219
a1ab1d2a
UD
2220 case OPTION_GROUP:
2221 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
2222 /* Groups must be self-contained. */
560e09e9
NC
2223 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2224 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
a1ab1d2a
UD
2225 break;
2226
b58f81ae
DJ
2227 case OPTION_EXCLUDE_LIBS:
2228 add_excluded_libs (optarg);
2229 break;
2230
fdc90cb4
JJ
2231 case OPTION_HASH_STYLE:
2232 link_info.emit_hash = FALSE;
2233 link_info.emit_gnu_hash = FALSE;
2234 if (strcmp (optarg, "sysv") == 0)
2235 link_info.emit_hash = TRUE;
2236 else if (strcmp (optarg, "gnu") == 0)
2237 link_info.emit_gnu_hash = TRUE;
2238 else if (strcmp (optarg, "both") == 0)
2239 {
2240 link_info.emit_hash = TRUE;
2241 link_info.emit_gnu_hash = TRUE;
2242 }
2243 else
2244 einfo (_("%P%F: invalid hash style \`%s'\n"), optarg);
2245 break;
2246
e0ee487b
L
2247 case 'z':
2248 if (strcmp (optarg, "initfirst") == 0)
2249 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
2250 else if (strcmp (optarg, "interpose") == 0)
2251 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
2252 else if (strcmp (optarg, "loadfltr") == 0)
2253 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
2254 else if (strcmp (optarg, "nodefaultlib") == 0)
2255 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
2256 else if (strcmp (optarg, "nodelete") == 0)
2257 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
2258 else if (strcmp (optarg, "nodlopen") == 0)
2259 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
2260 else if (strcmp (optarg, "nodump") == 0)
2261 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
2262 else if (strcmp (optarg, "now") == 0)
2263 {
2264 link_info.flags |= (bfd_vma) DF_BIND_NOW;
2265 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
2266 }
5fa222e4
AM
2267 else if (strcmp (optarg, "lazy") == 0)
2268 {
2269 link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
2270 link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
2271 }
e0ee487b
L
2272 else if (strcmp (optarg, "origin") == 0)
2273 {
2274 link_info.flags |= (bfd_vma) DF_ORIGIN;
2275 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
2276 }
a1ab1d2a 2277 else if (strcmp (optarg, "defs") == 0)
560e09e9 2278 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
aa713662 2279 else if (strcmp (optarg, "muldefs") == 0)
b34976b6 2280 link_info.allow_multiple_definition = TRUE;
db6751f2 2281 else if (strcmp (optarg, "combreloc") == 0)
b34976b6 2282 link_info.combreloc = TRUE;
db6751f2 2283 else if (strcmp (optarg, "nocombreloc") == 0)
b34976b6 2284 link_info.combreloc = FALSE;
8bd621d8 2285 else if (strcmp (optarg, "nocopyreloc") == 0)
0c7a8e5a 2286 link_info.nocopyreloc = TRUE;
9ee5e499
JJ
2287 else if (strcmp (optarg, "execstack") == 0)
2288 {
2289 link_info.execstack = TRUE;
2290 link_info.noexecstack = FALSE;
2291 }
2292 else if (strcmp (optarg, "noexecstack") == 0)
2293 {
2294 link_info.noexecstack = TRUE;
2295 link_info.execstack = FALSE;
2296 }
88b882e9
L
2297EOF
2298
2299 if test -n "$COMMONPAGESIZE"; then
92b93329 2300fragment <<EOF
8c37241b
JJ
2301 else if (strcmp (optarg, "relro") == 0)
2302 link_info.relro = TRUE;
2303 else if (strcmp (optarg, "norelro") == 0)
2304 link_info.relro = FALSE;
88b882e9
L
2305EOF
2306 fi
2307
92b93329 2308fragment <<EOF
0112cd26 2309 else if (CONST_STRNEQ (optarg, "max-page-size="))
24718e3b
L
2310 {
2311 char *end;
0112cd26 2312
24718e3b 2313 config.maxpagesize = strtoul (optarg + 14, &end, 0);
b8142865 2314 if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
24718e3b
L
2315 einfo (_("%P%F: invalid maxium page size \`%s'\n"),
2316 optarg + 14);
2317 }
0112cd26 2318 else if (CONST_STRNEQ (optarg, "common-page-size="))
24718e3b
L
2319 {
2320 char *end;
2321 config.commonpagesize = strtoul (optarg + 17, &end, 0);
b8142865
L
2322 if (*end
2323 || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
24718e3b
L
2324 einfo (_("%P%F: invalid common page size \`%s'\n"),
2325 optarg + 17);
2326 }
e0ee487b 2327 /* What about the other Solaris -z options? FIXME. */
6c1439be 2328 break;
e0ee487b
L
2329EOF
2330fi
2331
2332if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
92b93329 2333fragment <<EOF
e0ee487b
L
2334 $PARSE_AND_LIST_ARGS_CASES
2335EOF
2336fi
2337
92b93329 2338fragment <<EOF
e0ee487b
L
2339 }
2340
3bcf5557 2341 return TRUE;
e0ee487b
L
2342}
2343
41392f03 2344EOF
41392f03 2345
4b209b22 2346if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
92b93329 2347fragment <<EOF
41392f03 2348
e0ee487b 2349static void
0c7a8e5a 2350gld${EMULATION_NAME}_list_options (FILE * file)
e0ee487b 2351{
442996ee
AM
2352 fprintf (file, _("\
2353 --build-id[=STYLE] Generate build ID note\n"));
7ee314fa
AM
2354 fprintf (file, _("\
2355 --audit=AUDITLIB Specify a library to use for auditing\n"));
2356 fprintf (file, _("\
2357 -P AUDITLIB, --depaudit=AUDITLIB\n" "\
2358 Specify a library to use for auditing dependencies\n"));
e0ee487b 2359EOF
e0ee487b
L
2360
2361if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2362fragment <<EOF
442996ee
AM
2363 fprintf (file, _("\
2364 -Bgroup Selects group name lookup rules for DSO\n"));
2365 fprintf (file, _("\
2366 --disable-new-dtags Disable new dynamic tags\n"));
2367 fprintf (file, _("\
2368 --enable-new-dtags Enable new dynamic tags\n"));
2369 fprintf (file, _("\
2370 --eh-frame-hdr Create .eh_frame_hdr section\n"));
2371 fprintf (file, _("\
2372 --hash-style=STYLE Set hash style to sysv, gnu or both\n"));
2373 fprintf (file, _("\
2374 -z combreloc Merge dynamic relocs into one section and sort\n"));
2375 fprintf (file, _("\
2376 -z defs Report unresolved symbols in object files.\n"));
2377 fprintf (file, _("\
2378 -z execstack Mark executable as requiring executable stack\n"));
2379 fprintf (file, _("\
2380 -z initfirst Mark DSO to be initialized first at runtime\n"));
2381 fprintf (file, _("\
2382 -z interpose Mark object to interpose all DSOs but executable\n"));
2383 fprintf (file, _("\
2384 -z lazy Mark object lazy runtime binding (default)\n"));
2385 fprintf (file, _("\
2386 -z loadfltr Mark object requiring immediate process\n"));
2387 fprintf (file, _("\
2388 -z muldefs Allow multiple definitions\n"));
2389 fprintf (file, _("\
2390 -z nocombreloc Don't merge dynamic relocs into one section\n"));
2391 fprintf (file, _("\
2392 -z nocopyreloc Don't create copy relocs\n"));
2393 fprintf (file, _("\
2394 -z nodefaultlib Mark object not to use default search paths\n"));
2395 fprintf (file, _("\
2396 -z nodelete Mark DSO non-deletable at runtime\n"));
2397 fprintf (file, _("\
2398 -z nodlopen Mark DSO not available to dlopen\n"));
2399 fprintf (file, _("\
2400 -z nodump Mark DSO not available to dldump\n"));
2401 fprintf (file, _("\
2402 -z noexecstack Mark executable as not requiring executable stack\n"));
88b882e9
L
2403EOF
2404
2405 if test -n "$COMMONPAGESIZE"; then
92b93329 2406fragment <<EOF
442996ee
AM
2407 fprintf (file, _("\
2408 -z norelro Don't create RELRO program header\n"));
88b882e9
L
2409EOF
2410 fi
2411
92b93329 2412fragment <<EOF
442996ee
AM
2413 fprintf (file, _("\
2414 -z now Mark object non-lazy runtime binding\n"));
2415 fprintf (file, _("\
2416 -z origin Mark object requiring immediate \$ORIGIN\n\
2417 processing at runtime\n"));
88b882e9
L
2418EOF
2419
2420 if test -n "$COMMONPAGESIZE"; then
92b93329 2421fragment <<EOF
442996ee
AM
2422 fprintf (file, _("\
2423 -z relro Create RELRO program header\n"));
88b882e9
L
2424EOF
2425 fi
2426
92b93329 2427fragment <<EOF
442996ee
AM
2428 fprintf (file, _("\
2429 -z max-page-size=SIZE Set maximum page size to SIZE\n"));
2430 fprintf (file, _("\
2431 -z common-page-size=SIZE Set common page size to SIZE\n"));
2432 fprintf (file, _("\
2433 -z KEYWORD Ignored for Solaris compatibility\n"));
e0ee487b
L
2434EOF
2435fi
2436
2437if test -n "$PARSE_AND_LIST_OPTIONS" ; then
92b93329 2438fragment <<EOF
e0ee487b
L
2439 $PARSE_AND_LIST_OPTIONS
2440EOF
2441fi
2442
92b93329 2443fragment <<EOF
e0ee487b
L
2444}
2445EOF
e0ee487b
L
2446
2447if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
92b93329 2448fragment <<EOF
e0ee487b
L
2449 $PARSE_AND_LIST_EPILOGUE
2450EOF
2451fi
41392f03
AM
2452fi
2453else
92b93329 2454fragment <<EOF
3bcf5557
AM
2455#define gld${EMULATION_NAME}_add_options NULL
2456#define gld${EMULATION_NAME}_handle_option NULL
41392f03 2457EOF
4b209b22 2458if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
92b93329 2459fragment <<EOF
4b209b22 2460#define gld${EMULATION_NAME}_list_options NULL
41392f03
AM
2461EOF
2462fi
2463fi
e0ee487b 2464
92b93329 2465fragment <<EOF
252b5132 2466
60bcf0fa 2467struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 2468{
41392f03
AM
2469 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
2470 ${LDEMUL_SYSLIB-syslib_default},
2471 ${LDEMUL_HLL-hll_default},
2472 ${LDEMUL_AFTER_PARSE-after_parse_default},
2473 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
eaeb0a9d 2474 ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
41392f03
AM
2475 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
2476 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
2477 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
2478 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
2479 "${EMULATION_NAME}",
2480 "${OUTPUT_FORMAT}",
eaeb0a9d 2481 ${LDEMUL_FINISH-finish_default},
41392f03
AM
2482 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
2483 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
2484 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
2485 ${LDEMUL_SET_SYMBOLS-NULL},
3bcf5557
AM
2486 ${LDEMUL_PARSE_ARGS-NULL},
2487 gld${EMULATION_NAME}_add_options,
2488 gld${EMULATION_NAME}_handle_option,
41392f03 2489 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
4b209b22 2490 ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
4a43e768 2491 ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
41392f03 2492 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
fac1652d 2493 ${LDEMUL_NEW_VERS_PATTERN-NULL}
252b5132
RH
2494};
2495EOF
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