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