x86: Move x86-specific linker options to elf_linker_x86_params
[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 ${EMULATION_NAME}
82704155 15 Copyright (C) 1991-2019 Free Software Foundation, Inc.
252b5132
RH
16 Written by Steve Chamberlain <sac@cygnus.com>
17 ELF support by Ian Lance Taylor <ian@cygnus.com>
18
f96b4a7b
NC
19 This file is part of the GNU Binutils.
20
21 This program is free software; you can redistribute it and/or modify
22 it under the terms of the GNU General Public License as published by
23 the Free Software Foundation; either version 3 of the License, or
24 (at your option) any later version.
25
26 This program is distributed in the hope that it will be useful,
27 but WITHOUT ANY WARRANTY; without even the implied warranty of
28 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 GNU General Public License for more details.
30
31 You should have received a copy of the GNU General Public License
32 along with this program; if not, write to the Free Software
33 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
34 MA 02110-1301, USA. */
252b5132
RH
35
36#define TARGET_IS_${EMULATION_NAME}
37
252b5132 38#include "sysdep.h"
3db64b00 39#include "bfd.h"
1c9acd94 40#include "libiberty.h"
8056826a 41#include "safe-ctype.h"
42627821 42#include "filenames.h"
fcf65871 43#include "getopt.h"
24382dca 44#include <fcntl.h>
252b5132
RH
45
46#include "bfdlink.h"
47
48#include "ld.h"
49#include "ldmain.h"
252b5132
RH
50#include "ldmisc.h"
51#include "ldexp.h"
52#include "ldlang.h"
b71e2778
AM
53#include "ldfile.h"
54#include "ldemul.h"
61e2488c 55#include "ldbuildid.h"
df2a7313 56#include <ldgram.h>
e0ee487b 57#include "elf/common.h"
ecca9871 58#include "elf-bfd.h"
07f1e47a 59#include "filenames.h"
252b5132 60
0c7a8e5a
AM
61/* Declare functions used by various EXTRA_EM_FILEs. */
62static void gld${EMULATION_NAME}_before_parse (void);
5fe2850d 63static void gld${EMULATION_NAME}_after_parse (void);
0c7a8e5a
AM
64static void gld${EMULATION_NAME}_after_open (void);
65static void gld${EMULATION_NAME}_before_allocation (void);
eaeb0a9d 66static void gld${EMULATION_NAME}_after_allocation (void);
c2edb4b8 67static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan
8a99a385 68 (asection *, const char *, int);
41392f03
AM
69EOF
70
d3989512
JJ
71if [ "x${USE_LIBPATH}" = xyes ] ; then
72 case ${target} in
a5244b7e 73 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 74 fragment <<EOF
0b48acfe 75#ifdef HAVE_GLOB
d3989512 76#include <glob.h>
0b48acfe 77#endif
d3989512
JJ
78EOF
79 ;;
80 esac
81fi
82
41392f03
AM
83# Import any needed special functions and/or overrides.
84#
92b93329 85source_em ${srcdir}/emultempl/elf-generic.em
41392f03 86if test -n "$EXTRA_EM_FILE" ; then
92b93329 87 source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
41392f03
AM
88fi
89
f813923c 90# Functions in this file can be overridden by setting the LDEMUL_* shell
41392f03
AM
91# variables. If the name of the overriding function is the same as is
92# defined in this file, then don't output this file's version.
93# If a different overriding name is given then output the standard function
94# as presumably it is called from the overriding function.
95#
96if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
92b93329 97fragment <<EOF
41392f03 98
252b5132 99static void
0c7a8e5a 100gld${EMULATION_NAME}_before_parse (void)
252b5132 101{
5e2f1575 102 ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
66be1055 103 input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
b34976b6 104 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
4724d37e 105 config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
5c3261b0 106 link_info.check_relocs_after_open_input = TRUE;
647e4d46 107 link_info.relro = DEFAULT_LD_Z_RELRO;
f6aec96d 108 link_info.separate_code = DEFAULT_LD_Z_SEPARATE_CODE;
663fa543
L
109}
110
822b8bf4 111EOF
663fa543 112fi
822b8bf4 113
5fe2850d
L
114if test x"$LDEMUL_AFTER_PARSE" != xgld"$EMULATION_NAME"_after_parse; then
115fragment <<EOF
116
117static void
118gld${EMULATION_NAME}_after_parse (void)
119{
120 if (bfd_link_pie (&link_info))
121 link_info.flags_1 |= (bfd_vma) DF_1_PIE;
122
22b1ee18
AM
123 if (bfd_link_executable (&link_info)
124 && link_info.nointerp)
125 {
126 if (link_info.dynamic_undefined_weak > 0)
127 einfo (_("%P: warning: -z dynamic-undefined-weak ignored\n"));
128 link_info.dynamic_undefined_weak = 0;
129 }
5fe2850d
L
130 after_parse_default ();
131}
132
133EOF
134fi
135
4a43e768 136if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then
92b93329 137fragment <<EOF
ddbb8a31 138/* Handle the generation of DT_NEEDED tags. */
4a43e768
AM
139
140static bfd_boolean
141gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry)
142{
96d56e9f 143 int link_class = 0;
4a43e768
AM
144
145 /* Tell the ELF linker that we don't want the output file to have a
146 DT_NEEDED entry for this file, unless it is used to resolve
147 references in a regular object. */
66be1055 148 if (entry->flags.add_DT_NEEDED_for_regular)
96d56e9f 149 link_class = DYN_AS_NEEDED;
e56f61be
L
150
151 /* Tell the ELF linker that we don't want the output file to have a
152 DT_NEEDED entry for any dynamic library in DT_NEEDED tags from
153 this file at all. */
66be1055 154 if (!entry->flags.add_DT_NEEDED_for_dynamic)
96d56e9f 155 link_class |= DYN_NO_ADD_NEEDED;
e56f61be 156
66be1055 157 if (entry->flags.just_syms
12b9ff6c 158 && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0)
df5f2391 159 einfo (_("%F%P: %pB: --just-symbols may not be used on DSO\n"),
12b9ff6c
L
160 entry->the_bfd);
161
ddbb8a31 162 if (link_class == 0
e56f61be
L
163 || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0)
164 return FALSE;
165
1e9cc1c2 166 bfd_elf_set_dyn_lib_class (entry->the_bfd,
4724d37e 167 (enum dynamic_lib_link_class) link_class);
4a43e768
AM
168
169 /* Continue on with normal load_symbols processing. */
170 return FALSE;
171}
172EOF
173fi
174
92b93329 175fragment <<EOF
252b5132
RH
176
177/* These variables are required to pass information back and forth
178 between after_open and check_needed and stat_needed and vercheck. */
179
180static struct bfd_link_needed_list *global_needed;
181static struct stat global_stat;
e13629bc 182static lang_input_statement_type *global_found;
252b5132 183static struct bfd_link_needed_list *global_vercheck_needed;
b34976b6 184static bfd_boolean global_vercheck_failed;
252b5132 185
7ee314fa
AM
186/* These variables are used to implement target options */
187
188static char *audit; /* colon (typically) separated list of libs */
189static char *depaudit; /* colon (typically) separated list of libs */
252b5132 190
30e8ee25
AM
191/* Style of .note.gnu.build-id section. */
192static const char *emit_note_gnu_build_id;
193
04925e1e
AM
194/* On Linux, it's possible to have different versions of the same
195 shared library linked against different versions of libc. The
196 dynamic linker somehow tags which libc version to use in
197 /etc/ld.so.cache, and, based on the libc that it sees in the
198 executable, chooses which version of the shared library to use.
252b5132 199
04925e1e
AM
200 We try to do a similar check here by checking whether this shared
201 library needs any other shared libraries which may conflict with
202 libraries we have already included in the link. If it does, we
203 skip it, and try to find another shared library farther on down the
204 link path.
252b5132 205
04925e1e
AM
206 This is called via lang_for_each_input_file.
207 GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
f813923c 208 which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
04925e1e 209 a conflicting version. */
252b5132 210
04925e1e 211static void
0c7a8e5a 212gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s)
04925e1e 213{
1c9acd94 214 const char *soname;
04925e1e 215 struct bfd_link_needed_list *l;
252b5132 216
04925e1e
AM
217 if (global_vercheck_failed)
218 return;
219 if (s->the_bfd == NULL
220 || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
221 return;
252b5132 222
04925e1e
AM
223 soname = bfd_elf_get_dt_soname (s->the_bfd);
224 if (soname == NULL)
fed2999d 225 soname = lbasename (bfd_get_filename (s->the_bfd));
04925e1e
AM
226
227 for (l = global_vercheck_needed; l != NULL; l = l->next)
228 {
229 const char *suffix;
230
42627821 231 if (filename_cmp (soname, l->name) == 0)
04925e1e
AM
232 {
233 /* Probably can't happen, but it's an easy check. */
234 continue;
252b5132
RH
235 }
236
04925e1e 237 if (strchr (l->name, '/') != NULL)
252b5132
RH
238 continue;
239
04925e1e
AM
240 suffix = strstr (l->name, ".so.");
241 if (suffix == NULL)
242 continue;
243
244 suffix += sizeof ".so." - 1;
245
42627821 246 if (filename_ncmp (soname, l->name, suffix - l->name) == 0)
04925e1e
AM
247 {
248 /* Here we know that S is a dynamic object FOO.SO.VER1, and
0c7a8e5a
AM
249 the object we are considering needs a dynamic object
250 FOO.SO.VER2, and VER1 and VER2 are different. This
251 appears to be a version mismatch, so we tell the caller
252 to try a different version of this library. */
b34976b6 253 global_vercheck_failed = TRUE;
04925e1e
AM
254 return;
255 }
252b5132
RH
256 }
257}
258
252b5132 259
04925e1e
AM
260/* See if an input file matches a DT_NEEDED entry by running stat on
261 the file. */
262
263static void
0c7a8e5a 264gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s)
252b5132 265{
04925e1e
AM
266 struct stat st;
267 const char *suffix;
268 const char *soname;
252b5132 269
e13629bc 270 if (global_found != NULL)
04925e1e
AM
271 return;
272 if (s->the_bfd == NULL)
273 return;
e13629bc
AM
274
275 /* If this input file was an as-needed entry, and wasn't found to be
276 needed at the stage it was linked, then don't say we have loaded it. */
277 if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86 278 return;
04925e1e
AM
279
280 if (bfd_stat (s->the_bfd, &st) != 0)
252b5132 281 {
df5f2391 282 einfo (_("%P: %pB: bfd_stat failed: %E\n"), s->the_bfd);
04925e1e
AM
283 return;
284 }
252b5132 285
9eabd475
ZW
286 /* Some operating systems, e.g. Windows, do not provide a meaningful
287 st_ino; they always set it to zero. (Windows does provide a
288 meaningful st_dev.) Do not indicate a duplicate library in that
289 case. While there is no guarantee that a system that provides
290 meaningful inode numbers will never set st_ino to zero, this is
291 merely an optimization, so we do not need to worry about false
292 negatives. */
04925e1e 293 if (st.st_dev == global_stat.st_dev
9eabd475
ZW
294 && st.st_ino == global_stat.st_ino
295 && st.st_ino != 0)
04925e1e 296 {
e13629bc 297 global_found = s;
04925e1e
AM
298 return;
299 }
252b5132 300
04925e1e
AM
301 /* We issue a warning if it looks like we are including two
302 different versions of the same shared library. For example,
303 there may be a problem if -lc picks up libc.so.6 but some other
304 shared library has a DT_NEEDED entry of libc.so.5. This is a
f813923c 305 heuristic test, and it will only work if the name looks like
04925e1e
AM
306 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
307 If we really want to issue warnings about mixing version numbers
308 of shared libraries, we need to find a better way. */
252b5132 309
04925e1e
AM
310 if (strchr (global_needed->name, '/') != NULL)
311 return;
312 suffix = strstr (global_needed->name, ".so.");
313 if (suffix == NULL)
314 return;
315 suffix += sizeof ".so." - 1;
252b5132 316
04925e1e
AM
317 soname = bfd_elf_get_dt_soname (s->the_bfd);
318 if (soname == NULL)
fed2999d 319 soname = lbasename (s->filename);
252b5132 320
42627821 321 if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0)
871b3ab2 322 einfo (_("%P: warning: %s, needed by %pB, may conflict with %s\n"),
1c9acd94 323 global_needed->name, global_needed->by, soname);
252b5132
RH
324}
325
e56f61be
L
326struct dt_needed
327{
328 bfd *by;
329 const char *name;
330};
04925e1e 331
252b5132
RH
332/* This function is called for each possible name for a dynamic object
333 named by a DT_NEEDED entry. The FORCE parameter indicates whether
334 to skip the check for a conflicting version. */
335
b34976b6 336static bfd_boolean
e56f61be
L
337gld${EMULATION_NAME}_try_needed (struct dt_needed *needed,
338 int force)
252b5132
RH
339{
340 bfd *abfd;
e56f61be 341 const char *name = needed->name;
ec4eb78a 342 const char *soname;
96d56e9f 343 int link_class;
252b5132 344
f13a99db 345 abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd));
252b5132 346 if (abfd == NULL)
0ec22c2c
NC
347 {
348 if (verbose)
349 info_msg (_("attempt to open %s failed\n"), name);
350 return FALSE;
351 }
4a114e3e
L
352
353 /* Linker needs to decompress sections. */
354 abfd->flags |= BFD_DECOMPRESS;
355
252b5132
RH
356 if (! bfd_check_format (abfd, bfd_object))
357 {
cde43e70 358 bfd_close (abfd);
b34976b6 359 return FALSE;
252b5132
RH
360 }
361 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
362 {
cde43e70 363 bfd_close (abfd);
b34976b6 364 return FALSE;
252b5132
RH
365 }
366
c4bb8067 367 /* For DT_NEEDED, they have to match. */
f13a99db 368 if (abfd->xvec != link_info.output_bfd->xvec)
c4bb8067
L
369 {
370 bfd_close (abfd);
b34976b6 371 return FALSE;
c4bb8067
L
372 }
373
252b5132
RH
374 /* Check whether this object would include any conflicting library
375 versions. If FORCE is set, then we skip this check; we use this
376 the second time around, if we couldn't find any compatible
377 instance of the shared library. */
378
379 if (! force)
380 {
91d6fa6a 381 struct bfd_link_needed_list *needs;
252b5132 382
91d6fa6a 383 if (! bfd_elf_get_bfd_needed_list (abfd, &needs))
df5f2391 384 einfo (_("%F%P: %pB: bfd_elf_get_bfd_needed_list failed: %E\n"), abfd);
252b5132 385
91d6fa6a 386 if (needs != NULL)
252b5132 387 {
91d6fa6a 388 global_vercheck_needed = needs;
b34976b6 389 global_vercheck_failed = FALSE;
252b5132
RH
390 lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
391 if (global_vercheck_failed)
392 {
cde43e70 393 bfd_close (abfd);
b34976b6 394 /* Return FALSE to force the caller to move on to try
0c7a8e5a 395 another file on the search path. */
b34976b6 396 return FALSE;
252b5132
RH
397 }
398
399 /* But wait! It gets much worse. On Linux, if a shared
0c7a8e5a
AM
400 library does not use libc at all, we are supposed to skip
401 it the first time around in case we encounter a shared
402 library later on with the same name which does use the
403 version of libc that we want. This is much too horrible
404 to use on any system other than Linux. */
252b5132
RH
405
406EOF
407case ${target} in
a5244b7e 408 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 409 fragment <<EOF
252b5132
RH
410 {
411 struct bfd_link_needed_list *l;
412
91d6fa6a 413 for (l = needs; l != NULL; l = l->next)
0112cd26 414 if (CONST_STRNEQ (l->name, "libc.so"))
252b5132
RH
415 break;
416 if (l == NULL)
417 {
cde43e70 418 bfd_close (abfd);
b34976b6 419 return FALSE;
252b5132
RH
420 }
421 }
422
423EOF
424 ;;
425esac
92b93329 426fragment <<EOF
252b5132
RH
427 }
428 }
429
430 /* We've found a dynamic object matching the DT_NEEDED entry. */
431
04925e1e
AM
432 /* We have already checked that there is no other input file of the
433 same name. We must now check again that we are not including the
434 same file twice. We need to do this because on many systems
435 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
436 reference libc.so.1. If we have already included libc.so, we
437 don't want to include libc.so.1 if they are the same file, and we
438 can only check that using stat. */
439
440 if (bfd_stat (abfd, &global_stat) != 0)
df5f2391 441 einfo (_("%F%P: %pB: bfd_stat failed: %E\n"), abfd);
ec4eb78a
L
442
443 /* First strip off everything before the last '/'. */
fed2999d 444 soname = lbasename (abfd->filename);
ec4eb78a 445
cd6f1cf3 446 if (verbose)
ec4eb78a
L
447 info_msg (_("found %s at %s\n"), soname, name);
448
e13629bc 449 global_found = NULL;
04925e1e 450 lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
e13629bc 451 if (global_found != NULL)
04925e1e 452 {
b34976b6 453 /* Return TRUE to indicate that we found the file, even though
0c7a8e5a 454 we aren't going to do anything with it. */
b34976b6 455 return TRUE;
04925e1e
AM
456 }
457
4a43e768
AM
458 /* Specify the soname to use. */
459 bfd_elf_set_dt_needed_name (abfd, soname);
04925e1e 460
4a43e768
AM
461 /* Tell the ELF linker that we don't want the output file to have a
462 DT_NEEDED entry for this file, unless it is used to resolve
463 references in a regular object. */
96d56e9f 464 link_class = DYN_DT_NEEDED;
e56f61be
L
465
466 /* Tell the ELF linker that we don't want the output file to have a
467 DT_NEEDED entry for this file at all if the entry is from a file
468 with DYN_NO_ADD_NEEDED. */
7e9f0867
AM
469 if (needed->by != NULL
470 && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0)
96d56e9f 471 link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED;
e56f61be 472
1e9cc1c2 473 bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class);
04925e1e
AM
474
475 /* Add this file into the symbol table. */
476 if (! bfd_link_add_symbols (abfd, &link_info))
df5f2391 477 einfo (_("%F%P: %pB: error adding symbols: %E\n"), abfd);
04925e1e 478
b34976b6 479 return TRUE;
04925e1e
AM
480}
481
04925e1e
AM
482/* Search for a needed file in a path. */
483
b34976b6 484static bfd_boolean
e56f61be
L
485gld${EMULATION_NAME}_search_needed (const char *path,
486 struct dt_needed *n, int force)
04925e1e
AM
487{
488 const char *s;
e56f61be 489 const char *name = n->name;
04925e1e 490 size_t len;
e56f61be 491 struct dt_needed needed;
04925e1e 492
cc5ce052 493 if (name[0] == '/')
e56f61be 494 return gld${EMULATION_NAME}_try_needed (n, force);
cc5ce052 495
04925e1e 496 if (path == NULL || *path == '\0')
b34976b6 497 return FALSE;
e56f61be
L
498
499 needed.by = n->by;
500 needed.name = n->name;
501
04925e1e
AM
502 len = strlen (name);
503 while (1)
504 {
e680a6b6 505 unsigned offset = 0;
199fa1b7 506 char * var;
04925e1e
AM
507 char *filename, *sset;
508
c76308d2 509 s = strchr (path, config.rpath_separator);
04925e1e
AM
510 if (s == NULL)
511 s = path + strlen (path);
512
07f1e47a
AM
513#if HAVE_DOS_BASED_FILE_SYSTEM
514 /* Assume a match on the second char is part of drive specifier. */
515 else if (config.rpath_separator == ':'
516 && s == path + 1
517 && ISALPHA (*path))
518 {
519 s = strchr (s + 1, config.rpath_separator);
520 if (s == NULL)
521 s = path + strlen (path);
522 }
523#endif
04925e1e
AM
524 filename = (char *) xmalloc (s - path + len + 2);
525 if (s == path)
526 sset = filename;
527 else
528 {
529 memcpy (filename, path, s - path);
530 filename[s - path] = '/';
531 sset = filename + (s - path) + 1;
532 }
533 strcpy (sset, name);
534
199fa1b7
NC
535 /* PR 20535: Support the same pseudo-environment variables that
536 are supported by ld.so. Namely, $ORIGIN, $LIB and $PLATFORM.
559192d8 537 Since there can be more than one occurrence of these tokens in
e680a6b6
NC
538 the path we loop until no more are found. Since we might not
539 be able to substitute some of the tokens we maintain an offset
540 into the filename for where we should begin our scan. */
541 while ((var = strchr (filename + offset, '$')) != NULL)
199fa1b7
NC
542 {
543 /* The ld.so manual page does not say, but I am going to assume that
839b0b3f 544 these tokens are terminated by a directory separator character
199fa1b7
NC
545 (/) or the end of the string. There is also an implication that
546 $ORIGIN should only be used at the start of a path, but that is
547 not enforced here.
548
e680a6b6
NC
549 The ld.so manual page also states that it allows ${ORIGIN},
550 ${LIB} and ${PLATFORM}, so these are supported as well.
199fa1b7
NC
551
552 FIXME: The code could be a lot cleverer about allocating space
553 for the processed string. */
554 char * end = strchr (var, '/');
555 char * replacement = NULL;
e680a6b6 556 char * v = var + 1;
199fa1b7
NC
557 char * freeme = NULL;
558 unsigned flen = strlen (filename);
559
560 if (end != NULL)
561 /* Temporarily terminate the filename at the end of the token. */
562 * end = 0;
563
e680a6b6
NC
564 if (*v == '{')
565 ++ v;
566 switch (*v++)
199fa1b7
NC
567 {
568 case 'O':
e680a6b6 569 if (strcmp (v, "RIGIN") == 0 || strcmp (v, "RIGIN}") == 0)
199fa1b7
NC
570 {
571 /* ORIGIN - replace with the full path to the directory
572 containing the program or shared object. */
573 if (needed.by == NULL)
e680a6b6
NC
574 {
575 if (link_info.output_bfd == NULL)
576 {
577 break;
578 }
579 else
580 replacement = bfd_get_filename (link_info.output_bfd);
581 }
582 else
583 replacement = bfd_get_filename (needed.by);
584
199fa1b7
NC
585 if (replacement)
586 {
587 char * slash;
588
589 if (replacement[0] == '/')
590 freeme = xstrdup (replacement);
591 else
592 {
593 char * current_dir = getpwd ();
594
51750acd 595 freeme = xmalloc (strlen (replacement) + strlen (current_dir) + 2);
199fa1b7
NC
596 sprintf (freeme, "%s/%s", current_dir, replacement);
597 }
598
599 replacement = freeme;
600 if ((slash = strrchr (replacement, '/')) != NULL)
601 * slash = 0;
602 }
603 }
604 break;
605
606 case 'L':
e680a6b6 607 if (strcmp (v, "IB") == 0 || strcmp (v, "IB}") == 0)
199fa1b7
NC
608 {
609 /* LIB - replace with "lib" in 32-bit environments
610 and "lib64" in 64-bit environments. */
611
612 /* Note - we could replace this switch statement by
613 conditional fragments of shell script, but that is messy.
614 Any compiler worth its salt is going to optimize away
615 all but one of these case statements anyway. */
616 switch ($ELFSIZE)
617 {
618 case 32: replacement = "lib"; break;
619 case 64: replacement = "lib64"; break;
620 default:
621 /* $ELFSIZE is not 32 or 64 ... */
622 abort ();
623 }
624 }
625 break;
626
627 case 'P':
e680a6b6
NC
628 /* Supporting $PLATFORM in a cross-hosted environment is not
629 possible. Supporting it in a native environment involves
630 loading the <sys/auxv.h> header file which loads the
631 system <elf.h> header file, which conflicts with the
632 "include/elf/mips.h" header file. */
633 /* Fall through. */
199fa1b7
NC
634 default:
635 break;
636 }
637
638 if (replacement)
639 {
640 char * filename2 = xmalloc (flen + strlen (replacement));
641
642 if (end)
e680a6b6
NC
643 {
644 sprintf (filename2, "%.*s%s/%s",
645 (int)(var - filename), filename,
646 replacement, end + 1);
647 offset = (var - filename) + 1 + strlen (replacement);
648 }
199fa1b7 649 else
e680a6b6
NC
650 {
651 sprintf (filename2, "%.*s%s",
652 (int)(var - filename), filename,
653 replacement);
654 offset = var - filename + strlen (replacement);
655 }
656
199fa1b7
NC
657 free (filename);
658 filename = filename2;
659 /* There is no need to restore the path separator (when
660 end != NULL) as we have replaced the entire string. */
661 }
662 else
663 {
664 if (verbose)
665 /* We only issue an "unrecognised" message in verbose mode
666 as the $<foo> token might be a legitimate component of
667 a path name in the target's file system. */
88ba72a2 668 info_msg (_("unrecognised or unsupported token '%s' in search path\n"), var);
199fa1b7
NC
669
670 if (end)
671 /* Restore the path separator. */
672 * end = '/';
e680a6b6 673
559192d8
AM
674 /* PR 20784: Make sure that we resume the scan *after*
675 the token that we could not replace. */
e680a6b6 676 offset = (var + 1) - filename;
199fa1b7
NC
677 }
678
679 free (freeme);
680 }
681
e56f61be 682 needed.name = filename;
e680a6b6 683
e56f61be 684 if (gld${EMULATION_NAME}_try_needed (&needed, force))
b34976b6 685 return TRUE;
04925e1e
AM
686
687 free (filename);
688
689 if (*s == '\0')
690 break;
691 path = s + 1;
692 }
693
b34976b6 694 return FALSE;
04925e1e
AM
695}
696
697EOF
9c8ebd6a 698if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 699 fragment <<EOF
9c8ebd6a 700
316a1245
AM
701/* Prefix the sysroot to absolute paths in PATH, a string containing
702 paths separated by config.rpath_separator. If running on a DOS
703 file system, paths containing a drive spec won't have the sysroot
704 prefix added, unless the sysroot also specifies the same drive. */
9c8ebd6a 705
316a1245 706static const char *
0c7a8e5a 707gld${EMULATION_NAME}_add_sysroot (const char *path)
9c8ebd6a 708{
316a1245
AM
709 size_t len, extra;
710 const char *p;
711 char *ret, *q;
712 int dos_drive_sysroot = HAS_DRIVE_SPEC (ld_sysroot);
713
714 len = strlen (ld_sysroot);
715 for (extra = 0, p = path; ; )
716 {
717 int dos_drive = HAS_DRIVE_SPEC (p);
718
719 if (dos_drive)
720 p += 2;
721 if (IS_DIR_SEPARATOR (*p)
722 && (!dos_drive
723 || (dos_drive_sysroot
724 && ld_sysroot[0] == p[-2])))
725 {
726 if (dos_drive && dos_drive_sysroot)
727 extra += len - 2;
728 else
729 extra += len;
730 }
731 p = strchr (p, config.rpath_separator);
732 if (!p)
733 break;
734 ++p;
735 }
736
737 ret = xmalloc (strlen (path) + extra + 1);
738
739 for (q = ret, p = path; ; )
740 {
741 const char *end;
742 int dos_drive = HAS_DRIVE_SPEC (p);
743
744 if (dos_drive)
745 {
746 *q++ = *p++;
747 *q++ = *p++;
748 }
749 if (IS_DIR_SEPARATOR (*p)
750 && (!dos_drive
751 || (dos_drive_sysroot
752 && ld_sysroot[0] == p[-2])))
753 {
754 if (dos_drive && dos_drive_sysroot)
755 {
756 strcpy (q, ld_sysroot + 2);
757 q += len - 2;
758 }
759 else
760 {
761 strcpy (q, ld_sysroot);
762 q += len;
763 }
764 }
765 end = strchr (p, config.rpath_separator);
766 if (end)
767 {
768 size_t n = end - p + 1;
769 strncpy (q, p, n);
770 q += n;
771 p += n;
772 }
773 else
774 {
775 strcpy (q, p);
776 break;
777 }
778 }
779
9c8ebd6a
DJ
780 return ret;
781}
04925e1e 782
3dc16cab
DJ
783EOF
784 case ${target} in
ebe1fac1 785 *-*-freebsd* | *-*-dragonfly*)
92b93329 786 fragment <<EOF
ebe1fac1
NC
787/* Read the system search path the FreeBSD way rather than the Linux way. */
788#ifdef HAVE_ELF_HINTS_H
789#include <elf-hints.h>
790#else
791#include "elf-hints-local.h"
792#endif
793
794static bfd_boolean
d5c8b1f8
AM
795gld${EMULATION_NAME}_check_ld_elf_hints (const struct bfd_link_needed_list *l,
796 int force)
ebe1fac1
NC
797{
798 static bfd_boolean initialized;
316a1245 799 static const char *ld_elf_hints;
ebe1fac1
NC
800 struct dt_needed needed;
801
802 if (!initialized)
803 {
804 FILE *f;
805 char *tmppath;
806
ff7a0acf 807 tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL);
ebe1fac1
NC
808 f = fopen (tmppath, FOPEN_RB);
809 free (tmppath);
810 if (f != NULL)
811 {
812 struct elfhints_hdr hdr;
813
814 if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr)
815 && hdr.magic == ELFHINTS_MAGIC
816 && hdr.version == 1)
817 {
818 if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1)
819 {
820 char *b;
821
822 b = xmalloc (hdr.dirlistlen + 1);
823 if (fread (b, 1, hdr.dirlistlen + 1, f) ==
824 hdr.dirlistlen + 1)
825 ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b);
e13629bc 826
ebe1fac1
NC
827 free (b);
828 }
829 }
830 fclose (f);
831 }
832
833 initialized = TRUE;
834 }
835
836 if (ld_elf_hints == NULL)
837 return FALSE;
838
d5c8b1f8
AM
839 needed.by = l->by;
840 needed.name = l->name;
841 return gld${EMULATION_NAME}_search_needed (ld_elf_hints, &needed, force);
ebe1fac1
NC
842}
843EOF
844 # FreeBSD
845 ;;
846
a5244b7e 847 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 848 fragment <<EOF
04925e1e
AM
849/* For a native linker, check the file /etc/ld.so.conf for directories
850 in which we may find shared libraries. /etc/ld.so.conf is really
482e8b32 851 only meaningful on Linux. */
04925e1e 852
d3989512 853struct gld${EMULATION_NAME}_ld_so_conf
04925e1e 854{
d3989512
JJ
855 char *path;
856 size_t len, alloc;
857};
04925e1e 858
dfcffada 859static bfd_boolean
d3989512
JJ
860gld${EMULATION_NAME}_parse_ld_so_conf
861 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename);
862
863static void
864gld${EMULATION_NAME}_parse_ld_so_conf_include
865 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename,
866 const char *pattern)
867{
868 char *newp = NULL;
0b48acfe 869#ifdef HAVE_GLOB
d3989512 870 glob_t gl;
0b48acfe 871#endif
d3989512
JJ
872
873 if (pattern[0] != '/')
04925e1e 874 {
d3989512
JJ
875 char *p = strrchr (filename, '/');
876 size_t patlen = strlen (pattern) + 1;
04925e1e 877
d3989512
JJ
878 newp = xmalloc (p - filename + 1 + patlen);
879 memcpy (newp, filename, p - filename + 1);
880 memcpy (newp + (p - filename + 1), pattern, patlen);
881 pattern = newp;
882 }
04925e1e 883
0b48acfe 884#ifdef HAVE_GLOB
d3989512
JJ
885 if (glob (pattern, 0, NULL, &gl) == 0)
886 {
887 size_t i;
888
889 for (i = 0; i < gl.gl_pathc; ++i)
890 gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]);
891 globfree (&gl);
892 }
0b48acfe
MM
893#else
894 /* If we do not have glob, treat the pattern as a literal filename. */
895 gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern);
896#endif
d3989512
JJ
897
898 if (newp)
899 free (newp);
900}
901
dfcffada 902static bfd_boolean
d3989512
JJ
903gld${EMULATION_NAME}_parse_ld_so_conf
904 (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename)
905{
906 FILE *f = fopen (filename, FOPEN_RT);
563f4125
JJ
907 char *line;
908 size_t linelen;
d3989512
JJ
909
910 if (f == NULL)
dfcffada 911 return FALSE;
d3989512 912
563f4125
JJ
913 linelen = 256;
914 line = xmalloc (linelen);
915 do
d3989512 916 {
563f4125
JJ
917 char *p = line, *q;
918
919 /* Normally this would use getline(3), but we need to be portable. */
920 while ((q = fgets (p, linelen - (p - line), f)) != NULL
921 && strlen (q) == linelen - (p - line) - 1
922 && line[linelen - 2] != '\n')
923 {
924 line = xrealloc (line, 2 * linelen);
925 p = line + linelen - 1;
926 linelen += linelen;
927 }
928
929 if (q == NULL && p == line)
930 break;
d3989512
JJ
931
932 p = strchr (line, '\n');
933 if (p)
934 *p = '\0';
935
936 /* Because the file format does not know any form of quoting we
937 can search forward for the next '#' character and if found
938 make it terminating the line. */
939 p = strchr (line, '#');
940 if (p)
941 *p = '\0';
942
943 /* Remove leading whitespace. NUL is no whitespace character. */
944 p = line;
945 while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v')
946 ++p;
947
948 /* If the line is blank it is ignored. */
949 if (p[0] == '\0')
950 continue;
04925e1e 951
0112cd26 952 if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t'))
d3989512
JJ
953 {
954 char *dir, c;
955 p += 8;
956 do
04925e1e 957 {
d3989512
JJ
958 while (*p == ' ' || *p == '\t')
959 ++p;
04925e1e 960
d3989512
JJ
961 if (*p == '\0')
962 break;
252b5132 963
d3989512
JJ
964 dir = p;
965
966 while (*p != ' ' && *p != '\t' && *p)
967 ++p;
968
969 c = *p;
970 *p++ = '\0';
971 if (dir[0] != '\0')
972 gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename,
973 dir);
974 }
975 while (c != '\0');
976 }
977 else
978 {
979 char *dir = p;
980 while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f'
981 && *p != '\r' && *p != '\v')
982 ++p;
983
984 while (p != dir && p[-1] == '/')
985 --p;
986 if (info->path == NULL)
987 {
988 info->alloc = p - dir + 1 + 256;
989 info->path = xmalloc (info->alloc);
990 info->len = 0;
991 }
04925e1e
AM
992 else
993 {
d3989512
JJ
994 if (info->len + 1 + (p - dir) >= info->alloc)
995 {
996 info->alloc += p - dir + 256;
997 info->path = xrealloc (info->path, info->alloc);
998 }
c76308d2 999 info->path[info->len++] = config.rpath_separator;
04925e1e 1000 }
d3989512
JJ
1001 memcpy (info->path + info->len, dir, p - dir);
1002 info->len += p - dir;
1003 info->path[info->len] = '\0';
1004 }
1005 }
563f4125 1006 while (! feof (f));
d3989512
JJ
1007 free (line);
1008 fclose (f);
dfcffada 1009 return TRUE;
d3989512 1010}
252b5132 1011
d3989512 1012static bfd_boolean
d5c8b1f8
AM
1013gld${EMULATION_NAME}_check_ld_so_conf (const struct bfd_link_needed_list *l,
1014 int force)
d3989512
JJ
1015{
1016 static bfd_boolean initialized;
316a1245 1017 static const char *ld_so_conf;
d3989512 1018 struct dt_needed needed;
252b5132 1019
d3989512
JJ
1020 if (! initialized)
1021 {
1022 char *tmppath;
1023 struct gld${EMULATION_NAME}_ld_so_conf info;
9c8ebd6a 1024
d3989512
JJ
1025 info.path = NULL;
1026 info.len = info.alloc = 0;
ff7a0acf
AM
1027 tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf",
1028 (const char *) NULL);
dfcffada
AM
1029 if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath))
1030 {
1031 free (tmppath);
ff7a0acf
AM
1032 tmppath = concat (ld_sysroot, "/etc/ld.so.conf",
1033 (const char *) NULL);
dfcffada
AM
1034 gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath);
1035 }
d3989512 1036 free (tmppath);
dfcffada 1037
d3989512
JJ
1038 if (info.path)
1039 {
316a1245 1040 ld_so_conf = gld${EMULATION_NAME}_add_sysroot (info.path);
d3989512 1041 free (info.path);
04925e1e 1042 }
b34976b6 1043 initialized = TRUE;
04925e1e 1044 }
49e56c49 1045
04925e1e 1046 if (ld_so_conf == NULL)
b34976b6 1047 return FALSE;
252b5132 1048
e56f61be 1049
d5c8b1f8
AM
1050 needed.by = l->by;
1051 needed.name = l->name;
e56f61be 1052 return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force);
252b5132
RH
1053}
1054
04925e1e 1055EOF
9c8ebd6a
DJ
1056 # Linux
1057 ;;
04925e1e
AM
1058 esac
1059fi
92b93329 1060fragment <<EOF
04925e1e 1061
252b5132
RH
1062/* See if an input file matches a DT_NEEDED entry by name. */
1063
1064static void
0c7a8e5a 1065gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s)
252b5132 1066{
e13629bc
AM
1067 const char *soname;
1068
1069 /* Stop looking if we've found a loaded lib. */
1070 if (global_found != NULL
1071 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
1072 & DYN_AS_NEEDED) == 0)
252b5132
RH
1073 return;
1074
e13629bc
AM
1075 if (s->filename == NULL || s->the_bfd == NULL)
1076 return;
1077
1078 /* Don't look for a second non-loaded as-needed lib. */
1079 if (global_found != NULL
1080 && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)
7cedef86
AM
1081 return;
1082
42627821 1083 if (filename_cmp (s->filename, global_needed->name) == 0)
252b5132 1084 {
e13629bc
AM
1085 global_found = s;
1086 return;
1087 }
577a0623 1088
66be1055 1089 if (s->flags.search_dirs)
e13629bc
AM
1090 {
1091 const char *f = strrchr (s->filename, '/');
1092 if (f != NULL
42627821 1093 && filename_cmp (f + 1, global_needed->name) == 0)
577a0623 1094 {
e13629bc 1095 global_found = s;
577a0623
AM
1096 return;
1097 }
252b5132
RH
1098 }
1099
e13629bc
AM
1100 soname = bfd_elf_get_dt_soname (s->the_bfd);
1101 if (soname != NULL
42627821 1102 && filename_cmp (soname, global_needed->name) == 0)
252b5132 1103 {
e13629bc
AM
1104 global_found = s;
1105 return;
252b5132 1106 }
252b5132
RH
1107}
1108
41392f03
AM
1109EOF
1110
1111if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
92b93329 1112fragment <<EOF
04925e1e 1113
24382dca 1114static bfd_size_type
677e5a92 1115id_note_section_size (bfd *abfd ATTRIBUTE_UNUSED)
24382dca 1116{
30e8ee25 1117 const char *style = emit_note_gnu_build_id;
24382dca 1118 bfd_size_type size;
61e2488c 1119 bfd_size_type build_id_size;
24382dca 1120
24382dca
RM
1121 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
1122 size = (size + 3) & -(bfd_size_type) 4;
1123
61e2488c
JT
1124 build_id_size = compute_build_id_size (style);
1125 if (build_id_size)
1126 size += build_id_size;
24382dca
RM
1127 else
1128 size = 0;
1129
1130 return size;
1131}
1132
24382dca 1133static bfd_boolean
30e8ee25 1134write_build_id (bfd *abfd)
24382dca
RM
1135{
1136 const struct elf_backend_data *bed = get_elf_backend_data (abfd);
30e8ee25
AM
1137 struct elf_obj_tdata *t = elf_tdata (abfd);
1138 const char *style;
24382dca
RM
1139 asection *asec;
1140 Elf_Internal_Shdr *i_shdr;
1141 unsigned char *contents, *id_bits;
1142 bfd_size_type size;
30e8ee25 1143 file_ptr position;
24382dca
RM
1144 Elf_External_Note *e_note;
1145
c0355132
AM
1146 style = t->o->build_id.style;
1147 asec = t->o->build_id.sec;
83e4970b 1148 if (bfd_is_abs_section (asec->output_section))
24382dca 1149 {
83e4970b 1150 einfo (_("%P: warning: .note.gnu.build-id section discarded,"
df5f2391 1151 " --build-id ignored\n"));
83e4970b 1152 return TRUE;
24382dca
RM
1153 }
1154 i_shdr = &elf_section_data (asec->output_section)->this_hdr;
1155
1156 if (i_shdr->contents == NULL)
1157 {
b2ff8454 1158 if (asec->contents == NULL)
1e9cc1c2 1159 asec->contents = (unsigned char *) xmalloc (asec->size);
b2ff8454 1160 contents = asec->contents;
24382dca 1161 }
b2ff8454
RM
1162 else
1163 contents = i_shdr->contents + asec->output_offset;
24382dca 1164
1e9cc1c2 1165 e_note = (Elf_External_Note *) contents;
24382dca
RM
1166 size = offsetof (Elf_External_Note, name[sizeof "GNU"]);
1167 size = (size + 3) & -(bfd_size_type) 4;
1168 id_bits = contents + size;
1169 size = asec->size - size;
1170
1171 bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz);
1172 bfd_h_put_32 (abfd, size, &e_note->descsz);
1173 bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type);
1174 memcpy (e_note->name, "GNU", sizeof "GNU");
1175
61e2488c 1176 generate_build_id (abfd, style, bed->s->checksum_contents, id_bits, size);
24382dca 1177
30e8ee25 1178 position = i_shdr->sh_offset + asec->output_offset;
b2ff8454 1179 size = asec->size;
30e8ee25 1180 return (bfd_seek (abfd, position, SEEK_SET) == 0
b2ff8454 1181 && bfd_bwrite (contents, size, abfd) == size);
24382dca
RM
1182}
1183
30e8ee25
AM
1184/* Make .note.gnu.build-id section, and set up elf_tdata->build_id. */
1185
1186static bfd_boolean
1187setup_build_id (bfd *ibfd)
1188{
1189 asection *s;
1190 bfd_size_type size;
1191 flagword flags;
1192
1193 size = id_note_section_size (ibfd);
1194 if (size == 0)
1195 {
df5f2391 1196 einfo (_("%P: warning: unrecognized --build-id style ignored\n"));
30e8ee25
AM
1197 return FALSE;
1198 }
1199
1200 flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
1201 | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
1202 s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags);
1203 if (s != NULL && bfd_set_section_alignment (ibfd, s, 2))
1204 {
1205 struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd);
c0355132
AM
1206 t->o->build_id.after_write_object_contents = &write_build_id;
1207 t->o->build_id.style = emit_note_gnu_build_id;
1208 t->o->build_id.sec = s;
1209 elf_section_type (s) = SHT_NOTE;
1210 s->size = size;
1211 return TRUE;
30e8ee25
AM
1212 }
1213
df5f2391
AM
1214 einfo (_("%P: warning: cannot create .note.gnu.build-id section,"
1215 " --build-id ignored\n"));
30e8ee25
AM
1216 return FALSE;
1217}
24382dca 1218
04925e1e 1219/* This is called after all the input files have been opened. */
252b5132
RH
1220
1221static void
0c7a8e5a 1222gld${EMULATION_NAME}_after_open (void)
252b5132 1223{
04925e1e 1224 struct bfd_link_needed_list *needed, *l;
d10e7fcc 1225 struct elf_link_hash_table *htab;
cbd0eecf
L
1226 asection *s;
1227 bfd *abfd;
d10e7fcc 1228
5c3049d2
AM
1229 after_open_default ();
1230
d10e7fcc
AM
1231 htab = elf_hash_table (&link_info);
1232 if (!is_elf_hash_table (htab))
1233 return;
252b5132 1234
76359541
TP
1235 if (command_line.out_implib_filename)
1236 {
1237 unlink_if_ordinary (command_line.out_implib_filename);
1238 link_info.out_implib_bfd
1239 = bfd_openw (command_line.out_implib_filename,
1240 bfd_get_target (link_info.output_bfd));
1241
1242 if (link_info.out_implib_bfd == NULL)
1243 {
df5f2391 1244 einfo (_("%F%P: %s: can't open for writing: %E\n"),
76359541
TP
1245 command_line.out_implib_filename);
1246 }
1247 }
1248
30e8ee25 1249 if (emit_note_gnu_build_id != NULL)
c0065db7 1250 {
a654efd6
L
1251 /* Find an ELF input. */
1252 for (abfd = link_info.input_bfds;
c72f2fb2 1253 abfd != (bfd *) NULL; abfd = abfd->link.next)
ca0694ad 1254 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
57963c05
AM
1255 && bfd_count_sections (abfd) != 0
1256 && !((lang_input_statement_type *) abfd->usrdata)->flags.just_syms)
a654efd6 1257 break;
c0065db7 1258
30e8ee25
AM
1259 /* PR 10555: If there are no ELF input files do not try to
1260 create a .note.gnu-build-id section. */
1261 if (abfd == NULL
1262 || !setup_build_id (abfd))
c0065db7 1263 {
30e8ee25
AM
1264 free ((char *) emit_note_gnu_build_id);
1265 emit_note_gnu_build_id = NULL;
c0065db7
RM
1266 }
1267 }
1268
46bed679
L
1269 get_elf_backend_data (link_info.output_bfd)->setup_gnu_properties (&link_info);
1270
0e1862bb 1271 if (bfd_link_relocatable (&link_info))
76f0cad6
NC
1272 {
1273 if (link_info.execstack == ! link_info.noexecstack)
1274 /* PR ld/16744: If "-z [no]execstack" has been specified on the
1275 command line and we are perfoming a relocatable link then no
1276 PT_GNU_STACK segment will be created and so the
1277 linkinfo.[no]execstack values set in _handle_option() will have no
1278 effect. Instead we create a .note.GNU-stack section in much the
1279 same way as the assembler does with its --[no]execstack option. */
1280 (void) bfd_make_section_with_flags (link_info.input_bfds,
1281 ".note.GNU-stack",
1282 SEC_READONLY | (link_info.execstack ? SEC_CODE : 0));
1283
1284 return;
1285 }
d10e7fcc 1286
2f0c68f2 1287 if (!link_info.traditional_format)
eb3d5f3b 1288 {
cbd0eecf 1289 bfd *elfbfd = NULL;
a654efd6 1290 bfd_boolean warn_eh_frame = FALSE;
2f0c68f2 1291 int seen_type = 0;
eb3d5f3b 1292
c72f2fb2 1293 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
eb3d5f3b 1294 {
2f0c68f2 1295 int type = 0;
57963c05
AM
1296
1297 if (((lang_input_statement_type *) abfd->usrdata)->flags.just_syms)
1298 continue;
1299
2f0c68f2 1300 for (s = abfd->sections; s && type < COMPACT_EH_HDR; s = s->next)
4440bb77 1301 {
2f0c68f2
CM
1302 const char *name = bfd_get_section_name (abfd, s);
1303
1304 if (bfd_is_abs_section (s->output_section))
1305 continue;
1306 if (CONST_STRNEQ (name, ".eh_frame_entry"))
1307 type = COMPACT_EH_HDR;
1308 else if (strcmp (name, ".eh_frame") == 0 && s->size > 8)
1309 type = DWARF2_EH_HDR;
4440bb77 1310 }
2f0c68f2
CM
1311
1312 if (type != 0)
1313 {
1314 if (seen_type == 0)
1315 {
1316 seen_type = type;
1317 }
1318 else if (seen_type != type)
1319 {
df5f2391 1320 einfo (_("%F%P: compact frame descriptions incompatible with"
871b3ab2 1321 " DWARF2 .eh_frame from %pB\n"),
2f0c68f2
CM
1322 type == DWARF2_EH_HDR ? abfd : elfbfd);
1323 break;
1324 }
1325
1326 if (!elfbfd
1327 && (type == COMPACT_EH_HDR || link_info.eh_frame_hdr_type != 0))
1328 {
1329 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1330 elfbfd = abfd;
1331
1332 warn_eh_frame = TRUE;
1333 }
1334 }
1335
1336 if (seen_type == COMPACT_EH_HDR)
1337 link_info.eh_frame_hdr_type = COMPACT_EH_HDR;
d10e7fcc 1338 }
a654efd6 1339 if (elfbfd)
d10e7fcc
AM
1340 {
1341 const struct elf_backend_data *bed;
1342
a654efd6
L
1343 bed = get_elf_backend_data (elfbfd);
1344 s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr",
1345 bed->dynamic_sec_flags
1346 | SEC_READONLY);
d10e7fcc 1347 if (s != NULL
a654efd6
L
1348 && bfd_set_section_alignment (elfbfd, s, 2))
1349 {
1350 htab->eh_info.hdr_sec = s;
1351 warn_eh_frame = FALSE;
1352 }
eb3d5f3b 1353 }
a654efd6 1354 if (warn_eh_frame)
df5f2391
AM
1355 einfo (_("%P: warning: cannot create .eh_frame_hdr section,"
1356 " --eh-frame-hdr ignored\n"));
eb3d5f3b
JB
1357 }
1358
04925e1e
AM
1359 /* Get the list of files which appear in DT_NEEDED entries in
1360 dynamic objects included in the link (often there will be none).
1361 For each such file, we want to track down the corresponding
1362 library, and include the symbol table in the link. This is what
1363 the runtime dynamic linker will do. Tracking the files down here
1364 permits one dynamic object to include another without requiring
1365 special action by the person doing the link. Note that the
1366 needed list can actually grow while we are stepping through this
1367 loop. */
f13a99db 1368 needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info);
04925e1e 1369 for (l = needed; l != NULL; l = l->next)
252b5132 1370 {
04925e1e 1371 struct bfd_link_needed_list *ll;
e56f61be 1372 struct dt_needed n, nn;
04925e1e 1373 int force;
252b5132 1374
7e9f0867 1375 /* If the lib that needs this one was --as-needed and wasn't
4706eab9 1376 found to be needed, then this lib isn't needed either. */
7e9f0867 1377 if (l->by != NULL
4706eab9
AM
1378 && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0)
1379 continue;
1380
1381 /* Skip the lib if --no-copy-dt-needed-entries and
1382 --allow-shlib-undefined is in effect. */
1383 if (l->by != NULL
1384 && link_info.unresolved_syms_in_shared_libs == RM_IGNORE
1385 && (bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0)
7e9f0867
AM
1386 continue;
1387
04925e1e
AM
1388 /* If we've already seen this file, skip it. */
1389 for (ll = needed; ll != l; ll = ll->next)
7e9f0867
AM
1390 if ((ll->by == NULL
1391 || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0)
1392 && strcmp (ll->name, l->name) == 0)
04925e1e
AM
1393 break;
1394 if (ll != l)
1395 continue;
252b5132 1396
04925e1e
AM
1397 /* See if this file was included in the link explicitly. */
1398 global_needed = l;
e13629bc 1399 global_found = NULL;
04925e1e 1400 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
e13629bc
AM
1401 if (global_found != NULL
1402 && (bfd_elf_get_dyn_lib_class (global_found->the_bfd)
1403 & DYN_AS_NEEDED) == 0)
04925e1e 1404 continue;
252b5132 1405
e56f61be
L
1406 n.by = l->by;
1407 n.name = l->name;
1408 nn.by = l->by;
cd6f1cf3 1409 if (verbose)
871b3ab2 1410 info_msg (_("%s needed by %pB\n"), l->name, l->by);
ec4eb78a 1411
e13629bc
AM
1412 /* As-needed libs specified on the command line (or linker script)
1413 take priority over libs found in search dirs. */
1414 if (global_found != NULL)
1415 {
1416 nn.name = global_found->filename;
1417 if (gld${EMULATION_NAME}_try_needed (&nn, TRUE))
1418 continue;
1419 }
1420
04925e1e
AM
1421 /* We need to find this file and include the symbol table. We
1422 want to search for the file in the same way that the dynamic
1423 linker will search. That means that we want to use
1424 rpath_link, rpath, then the environment variable
ec4eb78a
L
1425 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
1426 entries (native only), then the linker script LIB_SEARCH_DIRS.
1427 We do not search using the -L arguments.
252b5132 1428
04925e1e
AM
1429 We search twice. The first time, we skip objects which may
1430 introduce version mismatches. The second time, we force
1431 their use. See gld${EMULATION_NAME}_vercheck comment. */
1432 for (force = 0; force < 2; force++)
1433 {
04925e1e
AM
1434 size_t len;
1435 search_dirs_type *search;
6dd8c765 1436EOF
316a1245 1437if [ "x${NATIVE}" = xyes ] || [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1438fragment <<EOF
316a1245 1439 const char *path;
ff925e69
KK
1440EOF
1441fi
1442if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1443fragment <<EOF
6dd8c765
L
1444 struct bfd_link_needed_list *rp;
1445 int found;
1446EOF
6dd8c765 1447fi
92b93329 1448fragment <<EOF
252b5132 1449
04925e1e 1450 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
e56f61be 1451 &n, force))
04925e1e 1452 break;
dcb0bd0e 1453EOF
9c8ebd6a 1454if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1455fragment <<EOF
316a1245
AM
1456 path = command_line.rpath;
1457 if (path)
1458 {
118aa6cf 1459 path = gld${EMULATION_NAME}_add_sysroot (path);
316a1245 1460 found = gld${EMULATION_NAME}_search_needed (path, &n, force);
118aa6cf 1461 free ((char *) path);
316a1245
AM
1462 if (found)
1463 break;
1464 }
9c8ebd6a
DJ
1465EOF
1466fi
1467if [ "x${NATIVE}" = xyes ] ; then
92b93329 1468fragment <<EOF
04925e1e
AM
1469 if (command_line.rpath_link == NULL
1470 && command_line.rpath == NULL)
1471 {
316a1245
AM
1472 path = (const char *) getenv ("LD_RUN_PATH");
1473 if (path
1474 && gld${EMULATION_NAME}_search_needed (path, &n, force))
04925e1e
AM
1475 break;
1476 }
316a1245
AM
1477 path = (const char *) getenv ("LD_LIBRARY_PATH");
1478 if (path
1479 && gld${EMULATION_NAME}_search_needed (path, &n, force))
04925e1e 1480 break;
9c8ebd6a
DJ
1481EOF
1482fi
1483if [ "x${USE_LIBPATH}" = xyes ] ; then
92b93329 1484fragment <<EOF
ec4eb78a 1485 found = 0;
f13a99db 1486 rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info);
6dd8c765 1487 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a 1488 {
316a1245 1489 path = gld${EMULATION_NAME}_add_sysroot (rp->name);
ec4eb78a 1490 found = (rp->by == l->by
316a1245 1491 && gld${EMULATION_NAME}_search_needed (path, &n,
ec4eb78a 1492 force));
316a1245 1493 free ((char *) path);
ec4eb78a
L
1494 }
1495 if (found)
1496 break;
1497
04925e1e 1498EOF
04925e1e 1499fi
c1446dba
L
1500if [ "x${USE_LIBPATH}" = xyes ] ; then
1501 case ${target} in
ebe1fac1 1502 *-*-freebsd* | *-*-dragonfly*)
92b93329 1503 fragment <<EOF
d5c8b1f8 1504 if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force))
ebe1fac1
NC
1505 break;
1506EOF
1507 # FreeBSD
1508 ;;
1509
a5244b7e 1510 *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
92b93329 1511 fragment <<EOF
d5c8b1f8 1512 if (gld${EMULATION_NAME}_check_ld_so_conf (l, force))
c1446dba
L
1513 break;
1514
1515EOF
eeaa4577 1516 # Linux
c1446dba
L
1517 ;;
1518 esac
1519fi
92b93329 1520fragment <<EOF
04925e1e
AM
1521 len = strlen (l->name);
1522 for (search = search_head; search != NULL; search = search->next)
1523 {
1524 char *filename;
252b5132 1525
04925e1e
AM
1526 if (search->cmdline)
1527 continue;
1528 filename = (char *) xmalloc (strlen (search->name) + len + 2);
1529 sprintf (filename, "%s/%s", search->name, l->name);
e56f61be
L
1530 nn.name = filename;
1531 if (gld${EMULATION_NAME}_try_needed (&nn, force))
04925e1e
AM
1532 break;
1533 free (filename);
1534 }
1535 if (search != NULL)
1536 break;
1537EOF
92b93329 1538fragment <<EOF
04925e1e 1539 }
252b5132 1540
04925e1e
AM
1541 if (force < 2)
1542 continue;
252b5132 1543
871b3ab2 1544 einfo (_("%P: warning: %s, needed by %pB, not found "
d003af55 1545 "(try using -rpath or -rpath-link)\n"),
04925e1e
AM
1546 l->name, l->by);
1547 }
2f0c68f2
CM
1548
1549 if (link_info.eh_frame_hdr_type == COMPACT_EH_HDR)
535b785f 1550 if (!bfd_elf_parse_eh_frame_entries (NULL, &link_info))
df5f2391 1551 einfo (_("%F%P: failed to parse EH frame entries\n"));
04925e1e 1552}
252b5132 1553
41392f03
AM
1554EOF
1555fi
1556
92b93329 1557fragment <<EOF
252b5132 1558
04925e1e 1559/* Look through an expression for an assignment statement. */
252b5132 1560
04925e1e 1561static void
0c7a8e5a 1562gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp)
04925e1e 1563{
4ea42fb7 1564 bfd_boolean provide = FALSE;
04925e1e
AM
1565
1566 switch (exp->type.node_class)
252b5132 1567 {
04925e1e 1568 case etree_provide:
bded3693 1569 case etree_provided:
4ea42fb7 1570 provide = TRUE;
839b0b3f 1571 /* Fallthru */
4ea42fb7 1572 case etree_assign:
04925e1e
AM
1573 /* We call record_link_assignment even if the symbol is defined.
1574 This is because if it is defined by a dynamic object, we
1575 actually want to use the value defined by the linker script,
1576 not the value from the dynamic object (because we are setting
1577 symbols like etext). If the symbol is defined by a regular
1578 object, then, as it happens, calling record_link_assignment
1579 will do no harm. */
04925e1e 1580 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 1581 {
f13a99db
AM
1582 if (!bfd_elf_record_link_assignment (link_info.output_bfd,
1583 &link_info,
fe21a8fc
L
1584 exp->assign.dst, provide,
1585 exp->assign.hidden))
df5f2391 1586 einfo (_("%F%P: failed to record assignment to %s: %E\n"),
04925e1e 1587 exp->assign.dst);
252b5132 1588 }
04925e1e
AM
1589 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
1590 break;
252b5132 1591
04925e1e
AM
1592 case etree_binary:
1593 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
1594 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
1595 break;
252b5132 1596
04925e1e
AM
1597 case etree_trinary:
1598 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
1599 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
1600 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
1601 break;
252b5132 1602
04925e1e
AM
1603 case etree_unary:
1604 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
1605 break;
252b5132 1606
04925e1e
AM
1607 default:
1608 break;
252b5132
RH
1609 }
1610}
1611
04925e1e
AM
1612
1613/* This is called by the before_allocation routine via
1614 lang_for_each_statement. It locates any assignment statements, and
1615 tells the ELF backend about them, in case they are assignments to
1616 symbols which are referred to by dynamic objects. */
1617
1618static void
0c7a8e5a 1619gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s)
04925e1e
AM
1620{
1621 if (s->header.type == lang_assignment_statement_enum)
1622 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
1623}
1624
41392f03
AM
1625EOF
1626
1627if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
57e6abd2
AO
1628 if test x"${ELF_INTERPRETER_NAME+set}" = xset; then
1629 ELF_INTERPRETER_SET_DEFAULT="
1630 if (sinterp != NULL)
1631 {
5718918d
AM
1632 sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME};
1633 sinterp->size = strlen ((char *) sinterp->contents) + 1;
57e6abd2
AO
1634 }
1635
1636"
1637 else
1638 ELF_INTERPRETER_SET_DEFAULT=
1639 fi
92b93329 1640fragment <<EOF
04925e1e 1641
7ee314fa 1642/* used by before_allocation and handle_option. */
4724d37e 1643static void
91d6fa6a 1644gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg)
7ee314fa
AM
1645{
1646 if (*to == NULL)
91d6fa6a 1647 *to = xstrdup (op_arg);
7ee314fa
AM
1648 else
1649 {
1650 size_t to_len = strlen (*to);
91d6fa6a 1651 size_t op_arg_len = strlen (op_arg);
7ee314fa
AM
1652 char *buf;
1653 char *cp = *to;
1654
1655 /* First see whether OPTARG is already in the path. */
1656 do
1657 {
91d6fa6a
NC
1658 if (strncmp (op_arg, cp, op_arg_len) == 0
1659 && (cp[op_arg_len] == 0
1660 || cp[op_arg_len] == config.rpath_separator))
7ee314fa
AM
1661 /* We found it. */
1662 break;
1663
1664 /* Not yet found. */
1665 cp = strchr (cp, config.rpath_separator);
1666 if (cp != NULL)
1667 ++cp;
1668 }
1669 while (cp != NULL);
1670
1671 if (cp == NULL)
1672 {
91d6fa6a 1673 buf = xmalloc (to_len + op_arg_len + 2);
7ee314fa 1674 sprintf (buf, "%s%c%s", *to,
91d6fa6a 1675 config.rpath_separator, op_arg);
7ee314fa
AM
1676 free (*to);
1677 *to = buf;
1678 }
1679 }
1680}
1681
252b5132
RH
1682/* This is called after the sections have been attached to output
1683 sections, but before any sizes or addresses have been set. */
1684
1685static void
0c7a8e5a 1686gld${EMULATION_NAME}_before_allocation (void)
252b5132
RH
1687{
1688 const char *rpath;
1689 asection *sinterp;
7ee314fa 1690 bfd *abfd;
772758ac
AM
1691 struct bfd_link_hash_entry *ehdr_start = NULL;
1692 unsigned char ehdr_start_save_type = 0;
1693 char ehdr_start_save_u[sizeof ehdr_start->u
1694 - sizeof ehdr_start->u.def.next] = "";
252b5132 1695
b4d040b1 1696 if (is_elf_hash_table (link_info.hash))
a5382c42
MR
1697 {
1698 _bfd_elf_tls_setup (link_info.output_bfd, &link_info);
e1918d23 1699
cde7cb01
MR
1700 /* Make __ehdr_start hidden if it has been referenced, to
1701 prevent the symbol from being dynamic. */
0e1862bb 1702 if (!bfd_link_relocatable (&link_info))
559192d8
AM
1703 {
1704 struct elf_link_hash_table *htab = elf_hash_table (&link_info);
1705 struct elf_link_hash_entry *h
1706 = elf_link_hash_lookup (htab, "__ehdr_start", FALSE, FALSE, TRUE);
1707
1708 /* Only adjust the export class if the symbol was referenced
1709 and not defined, otherwise leave it alone. */
1710 if (h != NULL
1711 && (h->root.type == bfd_link_hash_new
1712 || h->root.type == bfd_link_hash_undefined
1713 || h->root.type == bfd_link_hash_undefweak
1714 || h->root.type == bfd_link_hash_common))
1715 {
1716 const struct elf_backend_data *bed;
1717 bed = get_elf_backend_data (link_info.output_bfd);
1718 (*bed->elf_backend_hide_symbol) (&link_info, h, TRUE);
1719 if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL)
1720 h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN;
1721 /* Don't leave the symbol undefined. Undefined hidden
1722 symbols typically won't have dynamic relocations, but
1723 we most likely will need dynamic relocations for
1724 __ehdr_start if we are building a PIE or shared
1725 library. */
772758ac
AM
1726 ehdr_start = &h->root;
1727 ehdr_start_save_type = ehdr_start->type;
1728 memcpy (ehdr_start_save_u,
1729 (char *) &ehdr_start->u + sizeof ehdr_start->u.def.next,
1730 sizeof ehdr_start_save_u);
1731 ehdr_start->type = bfd_link_hash_defined;
1732 ehdr_start->u.def.section = bfd_abs_section_ptr;
1733 ehdr_start->u.def.value = 0;
559192d8
AM
1734 }
1735 }
cde7cb01 1736
a5382c42
MR
1737 /* If we are going to make any variable assignments, we need to
1738 let the ELF backend know about them in case the variables are
1739 referred to by dynamic objects. */
1740 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
1741 }
252b5132
RH
1742
1743 /* Let the ELF backend work out the sizes of any sections required
1744 by dynamic linking. */
1745 rpath = command_line.rpath;
1746 if (rpath == NULL)
1747 rpath = (const char *) getenv ("LD_RUN_PATH");
7ee314fa 1748
c72f2fb2 1749 for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
8dd881b6
L
1750 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1751 {
1752 const char *audit_libs = elf_dt_audit (abfd);
7ee314fa 1753
4724d37e 1754 /* If the input bfd contains an audit entry, we need to add it as
8dd881b6
L
1755 a dep audit entry. */
1756 if (audit_libs && *audit_libs != '\0')
1757 {
1758 char *cp = xstrdup (audit_libs);
1759 do
1760 {
1761 int more = 0;
1762 char *cp2 = strchr (cp, config.rpath_separator);
7ee314fa 1763
8dd881b6
L
1764 if (cp2)
1765 {
1766 *cp2 = '\0';
1767 more = 1;
1768 }
7ee314fa 1769
8dd881b6
L
1770 if (cp != NULL && *cp != '\0')
1771 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp);
1772
1773 cp = more ? ++cp2 : NULL;
1774 }
1775 while (cp != NULL);
1776 }
1777 }
7ee314fa 1778
5a580b3a 1779 if (! (bfd_elf_size_dynamic_sections
f13a99db 1780 (link_info.output_bfd, command_line.soname, rpath,
7ee314fa 1781 command_line.filter_shlib, audit, depaudit,
252b5132 1782 (const char * const *) command_line.auxiliary_filters,
fd91d419 1783 &link_info, &sinterp)))
df5f2391 1784 einfo (_("%F%P: failed to set dynamic section sizes: %E\n"));
8423293d 1785
57e6abd2 1786${ELF_INTERPRETER_SET_DEFAULT}
252b5132
RH
1787 /* Let the user override the dynamic linker we are using. */
1788 if (command_line.interpreter != NULL
1789 && sinterp != NULL)
1790 {
1791 sinterp->contents = (bfd_byte *) command_line.interpreter;
eea6121a 1792 sinterp->size = strlen (command_line.interpreter) + 1;
252b5132
RH
1793 }
1794
1795 /* Look for any sections named .gnu.warning. As a GNU extensions,
1796 we treat such sections as containing warning messages. We print
1797 out the warning message, and then zero out the section size so
1798 that it does not get copied into the output file. */
1799
1800 {
1801 LANG_FOR_EACH_INPUT_STATEMENT (is)
1802 {
1803 asection *s;
1804 bfd_size_type sz;
1805 char *msg;
252b5132 1806
66be1055 1807 if (is->flags.just_syms)
252b5132
RH
1808 continue;
1809
1810 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
1811 if (s == NULL)
1812 continue;
1813
eea6121a 1814 sz = s->size;
1e9cc1c2 1815 msg = (char *) xmalloc ((size_t) (sz + 1));
bc251d50 1816 if (! bfd_get_section_contents (is->the_bfd, s, msg,
8c675694 1817 (file_ptr) 0, sz))
df5f2391 1818 einfo (_("%F%P: %pB: can't read contents of section .gnu.warning: %E\n"),
252b5132 1819 is->the_bfd);
bc251d50 1820 msg[sz] = '\0';
1a72702b
AM
1821 (*link_info.callbacks->warning) (&link_info, msg,
1822 (const char *) NULL, is->the_bfd,
1823 (asection *) NULL, (bfd_vma) 0);
252b5132
RH
1824 free (msg);
1825
9e3be61d
AM
1826 /* Clobber the section size, so that we don't waste space
1827 copying the warning into the output file. If we've already
1828 sized the output section, adjust its size. The adjustment
1829 is on rawsize because targets that size sections early will
1830 have called lang_reset_memory_regions after sizing. */
1831 if (s->output_section != NULL
1832 && s->output_section->rawsize >= s->size)
1833 s->output_section->rawsize -= s->size;
1834
eea6121a 1835 s->size = 0;
11d2f718 1836
9e3be61d
AM
1837 /* Also set SEC_EXCLUDE, so that local symbols defined in the
1838 warning section don't get copied to the output. */
a14a5de3 1839 s->flags |= SEC_EXCLUDE | SEC_KEEP;
252b5132
RH
1840 }
1841 }
8423293d 1842
1e035701 1843 before_allocation_default ();
8423293d 1844
f13a99db 1845 if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info))
df5f2391 1846 einfo (_("%F%P: failed to set dynamic section sizes: %E\n"));
4199e3b8
AM
1847
1848 if (ehdr_start != NULL)
1849 {
1850 /* If we twiddled __ehdr_start to defined earlier, put it back
1851 as it was. */
772758ac
AM
1852 ehdr_start->type = ehdr_start_save_type;
1853 memcpy ((char *) &ehdr_start->u + sizeof ehdr_start->u.def.next,
1854 ehdr_start_save_u,
1855 sizeof ehdr_start_save_u);
4199e3b8 1856 }
252b5132
RH
1857}
1858
41392f03
AM
1859EOF
1860fi
1861
1862if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
92b93329 1863fragment <<EOF
252b5132 1864
04925e1e
AM
1865/* Try to open a dynamic archive. This is where we know that ELF
1866 dynamic libraries have an extension of .so (or .sl on oddball systems
1867 like hpux). */
1868
b34976b6 1869static bfd_boolean
0c7a8e5a
AM
1870gld${EMULATION_NAME}_open_dynamic_archive
1871 (const char *arch, search_dirs_type *search, lang_input_statement_type *entry)
252b5132 1872{
04925e1e
AM
1873 const char *filename;
1874 char *string;
d4ae5fb0
AM
1875 size_t len;
1876 bfd_boolean opened = FALSE;
252b5132 1877
66be1055 1878 if (! entry->flags.maybe_archive)
b34976b6 1879 return FALSE;
252b5132 1880
04925e1e 1881 filename = entry->filename;
d4ae5fb0
AM
1882 len = strlen (search->name) + strlen (filename);
1883 if (entry->flags.full_name_provided)
1884 {
1885 len += sizeof "/";
1886 string = (char *) xmalloc (len);
1887 sprintf (string, "%s/%s", search->name, filename);
1888 }
1889 else
1890 {
1891 size_t xlen = 0;
252b5132 1892
d4ae5fb0 1893 len += strlen (arch) + sizeof "/lib.so";
04925e1e 1894#ifdef EXTRA_SHLIB_EXTENSION
d4ae5fb0
AM
1895 xlen = (strlen (EXTRA_SHLIB_EXTENSION) > 3
1896 ? strlen (EXTRA_SHLIB_EXTENSION) - 3
1897 : 0);
04925e1e 1898#endif
d4ae5fb0
AM
1899 string = (char *) xmalloc (len + xlen);
1900 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
04925e1e 1901#ifdef EXTRA_SHLIB_EXTENSION
d4ae5fb0
AM
1902 /* Try the .so extension first. If that fails build a new filename
1903 using EXTRA_SHLIB_EXTENSION. */
1904 opened = ldfile_try_open_bfd (string, entry);
1905 if (!opened)
1906 strcpy (string + len - 4, EXTRA_SHLIB_EXTENSION);
04925e1e 1907#endif
d4ae5fb0 1908 }
04925e1e 1909
d4ae5fb0 1910 if (!opened && !ldfile_try_open_bfd (string, entry))
252b5132 1911 {
04925e1e 1912 free (string);
b34976b6 1913 return FALSE;
04925e1e 1914 }
252b5132 1915
04925e1e 1916 entry->filename = string;
252b5132 1917
04925e1e
AM
1918 /* We have found a dynamic object to include in the link. The ELF
1919 backend linker will create a DT_NEEDED entry in the .dynamic
1920 section naming this file. If this file includes a DT_SONAME
1921 entry, it will be used. Otherwise, the ELF linker will just use
1922 the name of the file. For an archive found by searching, like
1923 this one, the DT_NEEDED entry should consist of just the name of
1924 the file, without the path information used to find it. Note
1925 that we only need to do this if we have a dynamic object; an
1926 archive will never be referenced by a DT_NEEDED entry.
252b5132 1927
04925e1e
AM
1928 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
1929 very pretty. I haven't been able to think of anything that is
1930 pretty, though. */
1931 if (bfd_check_format (entry->the_bfd, bfd_object)
1932 && (entry->the_bfd->flags & DYNAMIC) != 0)
1933 {
66be1055 1934 ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs);
252b5132 1935
04925e1e 1936 /* Rather than duplicating the logic above. Just use the
1c9acd94 1937 filename we recorded earlier. */
04925e1e 1938
d4ae5fb0 1939 if (!entry->flags.full_name_provided)
559192d8 1940 filename = lbasename (entry->filename);
1c9acd94 1941 bfd_elf_set_dt_needed_name (entry->the_bfd, filename);
04925e1e
AM
1942 }
1943
b34976b6 1944 return TRUE;
04925e1e
AM
1945}
1946
41392f03
AM
1947EOF
1948fi
cde43e70
AM
1949
1950if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
92b93329 1951fragment <<EOF
41392f03 1952
afd7a018 1953/* A variant of lang_output_section_find used by place_orphan. */
04925e1e 1954
04925e1e 1955static lang_output_section_statement_type *
8fd04a42 1956output_rel_find (int isdyn, int rela)
04925e1e 1957{
04925e1e 1958 lang_output_section_statement_type *lookup;
ba493122 1959 lang_output_section_statement_type *last = NULL;
2a36a117 1960 lang_output_section_statement_type *last_alloc = NULL;
48f2ff54 1961 lang_output_section_statement_type *last_ro_alloc = NULL;
ba493122
AM
1962 lang_output_section_statement_type *last_rel = NULL;
1963 lang_output_section_statement_type *last_rel_alloc = NULL;
04925e1e 1964
afd7a018
AM
1965 for (lookup = &lang_output_section_statement.head->output_section_statement;
1966 lookup != NULL;
1967 lookup = lookup->next)
04925e1e 1968 {
66c103b7 1969 if (lookup->constraint >= 0
0112cd26 1970 && CONST_STRNEQ (lookup->name, ".rel"))
04925e1e 1971 {
24cdb50a 1972 int lookrela = lookup->name[4] == 'a';
ba493122 1973
2a36a117
AM
1974 /* .rel.dyn must come before all other reloc sections, to suit
1975 GNU ld.so. */
1976 if (isdyn)
1977 break;
1978
1979 /* Don't place after .rel.plt as doing so results in wrong
1980 dynamic tags. */
1981 if (strcmp (".plt", lookup->name + 4 + lookrela) == 0)
ba493122 1982 break;
2a36a117
AM
1983
1984 if (rela == lookrela || last_rel == NULL)
24cdb50a 1985 last_rel = lookup;
2a36a117
AM
1986 if ((rela == lookrela || last_rel_alloc == NULL)
1987 && lookup->bfd_section != NULL
ba493122
AM
1988 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
1989 last_rel_alloc = lookup;
04925e1e 1990 }
2a36a117
AM
1991
1992 last = lookup;
1993 if (lookup->bfd_section != NULL
1994 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
48f2ff54
AM
1995 {
1996 last_alloc = lookup;
1997 if ((lookup->bfd_section->flags & SEC_READONLY) != 0)
1998 last_ro_alloc = lookup;
1999 }
252b5132 2000 }
ba493122
AM
2001
2002 if (last_rel_alloc)
2003 return last_rel_alloc;
2004
2005 if (last_rel)
2006 return last_rel;
2007
48f2ff54
AM
2008 if (last_ro_alloc)
2009 return last_ro_alloc;
2010
2a36a117
AM
2011 if (last_alloc)
2012 return last_alloc;
2013
ba493122 2014 return last;
252b5132
RH
2015}
2016
2e9246e0
AM
2017/* Return whether IN is suitable to be part of OUT. */
2018
2019static bfd_boolean
2020elf_orphan_compatible (asection *in, asection *out)
2021{
2022 /* Non-zero sh_info implies a section with SHF_INFO_LINK with
2023 unknown semantics for the generic linker, or a SHT_REL/SHT_RELA
2024 section where sh_info specifies a symbol table. (We won't see
2025 SHT_GROUP, SHT_SYMTAB or SHT_DYNSYM sections here.) We clearly
2026 can't merge SHT_REL/SHT_RELA using differing symbol tables, and
2027 shouldn't merge sections with differing unknown semantics. */
2028 if (elf_section_data (out)->this_hdr.sh_info
2029 != elf_section_data (in)->this_hdr.sh_info)
2030 return FALSE;
2031 /* We can't merge two sections with differing SHF_EXCLUDE when doing
2032 a relocatable link. */
2033 if (bfd_link_relocatable (&link_info)
2034 && ((elf_section_flags (out) ^ elf_section_flags (in)) & SHF_EXCLUDE) != 0)
2035 return FALSE;
2036 return _bfd_elf_match_sections_by_type (link_info.output_bfd, out,
2037 in->owner, in);
2038}
2039
252b5132
RH
2040/* Place an orphan section. We use this to put random SHF_ALLOC
2041 sections in the right segment. */
2042
c2edb4b8 2043static lang_output_section_statement_type *
8a99a385
AM
2044gld${EMULATION_NAME}_place_orphan (asection *s,
2045 const char *secname,
2046 int constraint)
252b5132 2047{
afd7a018
AM
2048 static struct orphan_save hold[] =
2049 {
2050 { ".text",
2051 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
2052 0, 0, 0, 0 },
2053 { ".rodata",
2054 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2055 0, 0, 0, 0 },
d85e71fe
L
2056 { ".tdata",
2057 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_THREAD_LOCAL,
2058 0, 0, 0, 0 },
afd7a018
AM
2059 { ".data",
2060 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
2061 0, 0, 0, 0 },
2062 { ".bss",
2063 SEC_ALLOC,
2064 0, 0, 0, 0 },
2065 { 0,
2066 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2067 0, 0, 0, 0 },
2068 { ".interp",
2069 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
2070 0, 0, 0, 0 },
2071 { ".sdata",
2072 SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA,
07890c07 2073 0, 0, 0, 0 },
175b7cd4 2074 { ".comment",
07890c07
AM
2075 SEC_HAS_CONTENTS,
2076 0, 0, 0, 0 },
afd7a018
AM
2077 };
2078 enum orphan_save_index
2079 {
2080 orphan_text = 0,
2081 orphan_rodata,
d85e71fe 2082 orphan_tdata,
afd7a018
AM
2083 orphan_data,
2084 orphan_bss,
2085 orphan_rel,
2086 orphan_interp,
07890c07
AM
2087 orphan_sdata,
2088 orphan_nonalloc
afd7a018
AM
2089 };
2090 static int orphan_init_done = 0;
6a345e87 2091 struct orphan_save *place;
afd7a018 2092 lang_output_section_statement_type *after;
252b5132 2093 lang_output_section_statement_type *os;
b5f14a6d 2094 lang_output_section_statement_type *match_by_name = NULL;
24cdb50a 2095 int isdyn = 0;
2e9246e0
AM
2096 int elfinput = s->owner->xvec->flavour == bfd_target_elf_flavour;
2097 int elfoutput = link_info.output_bfd->xvec->flavour == bfd_target_elf_flavour;
2098 unsigned int sh_type = elfinput ? elf_section_type (s) : SHT_NULL;
199af150
AM
2099 flagword flags;
2100 asection *nexts;
252b5132 2101
0e1862bb 2102 if (!bfd_link_relocatable (&link_info)
24cdb50a 2103 && link_info.combreloc
ecca9871 2104 && (s->flags & SEC_ALLOC))
24cdb50a 2105 {
2e9246e0 2106 if (elfinput)
ecca9871
L
2107 switch (sh_type)
2108 {
2109 case SHT_RELA:
2110 secname = ".rela.dyn";
2111 isdyn = 1;
2112 break;
2113 case SHT_REL:
2114 secname = ".rel.dyn";
2115 isdyn = 1;
2116 break;
2117 default:
2118 break;
2119 }
0112cd26 2120 else if (CONST_STRNEQ (secname, ".rel"))
ecca9871
L
2121 {
2122 secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn";
2123 isdyn = 1;
2124 }
24cdb50a 2125 }
aea4bd9d 2126
a91e1603 2127 if (!bfd_link_relocatable (&link_info)
2e9246e0
AM
2128 && elfinput
2129 && elfoutput
a91e1603
L
2130 && (s->flags & SEC_ALLOC) != 0
2131 && (elf_section_flags (s) & SHF_GNU_MBIND) != 0)
2132 {
2133 /* Find the output mbind section with the same type, attributes
2134 and sh_info field. */
2135 for (os = &lang_output_section_statement.head->output_section_statement;
2136 os != NULL;
2137 os = os->next)
2138 if (os->bfd_section != NULL
2139 && !bfd_is_abs_section (os->bfd_section)
2140 && (elf_section_flags (os->bfd_section) & SHF_GNU_MBIND) != 0
2141 && ((s->flags & (SEC_ALLOC
2142 | SEC_LOAD
2143 | SEC_HAS_CONTENTS
2144 | SEC_READONLY
2145 | SEC_CODE))
2146 == (os->bfd_section->flags & (SEC_ALLOC
2147 | SEC_LOAD
2148 | SEC_HAS_CONTENTS
2149 | SEC_READONLY
2150 | SEC_CODE)))
2151 && (elf_section_data (os->bfd_section)->this_hdr.sh_info
2152 == elf_section_data (s)->this_hdr.sh_info))
2153 {
2154 lang_add_section (&os->children, s, NULL, os);
2155 return os;
2156 }
2157
2158 /* Create the output mbind section with the ".mbind." prefix
2159 in section name. */
2160 if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
2161 secname = ".mbind.bss";
2162 else if ((s->flags & SEC_READONLY) == 0)
2163 secname = ".mbind.data";
2164 else if ((s->flags & SEC_CODE) == 0)
2165 secname = ".mbind.rodata";
2166 else
2167 secname = ".mbind.text";
2168 }
2169
2e9246e0
AM
2170 /* Look through the script to see where to place this section. The
2171 script includes entries added by previous lang_insert_orphan
2172 calls, so this loop puts multiple compatible orphans of the same
2173 name into a single output section. */
2174 if (constraint == 0)
d127ecce
AM
2175 for (os = lang_output_section_find (secname);
2176 os != NULL;
2177 os = next_matching_output_section_statement (os, 0))
2178 {
2179 /* If we don't match an existing output section, tell
2180 lang_insert_orphan to create a new output section. */
2181 constraint = SPECIAL;
2182
2e9246e0
AM
2183 /* Check to see if we already have an output section statement
2184 with this name, and its bfd section has compatible flags.
2185 If the section already exists but does not have any flags
2186 set, then it has been created by the linker, possibly as a
2187 result of a --section-start command line switch. */
d127ecce
AM
2188 if (os->bfd_section != NULL
2189 && (os->bfd_section->flags == 0
2e9246e0 2190 || (((s->flags ^ os->bfd_section->flags)
199af150 2191 & (SEC_LOAD | SEC_ALLOC)) == 0
2e9246e0
AM
2192 && (!elfinput
2193 || !elfoutput
2194 || elf_orphan_compatible (s, os->bfd_section)))))
d127ecce 2195 {
b9c361e0 2196 lang_add_section (&os->children, s, NULL, os);
d127ecce
AM
2197 return os;
2198 }
b5f14a6d
DD
2199
2200 /* Save unused output sections in case we can match them
2201 against orphans later. */
2202 if (os->bfd_section == NULL)
2203 match_by_name = os;
d127ecce 2204 }
252b5132 2205
b5f14a6d
DD
2206 /* If we didn't match an active output section, see if we matched an
2207 unused one and use that. */
2208 if (match_by_name)
2209 {
b9c361e0 2210 lang_add_section (&match_by_name->children, s, NULL, match_by_name);
b5f14a6d
DD
2211 return match_by_name;
2212 }
2213
afd7a018
AM
2214 if (!orphan_init_done)
2215 {
2216 struct orphan_save *ho;
07890c07 2217
afd7a018
AM
2218 for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
2219 if (ho->name != NULL)
2220 {
2221 ho->os = lang_output_section_find (ho->name);
2222 if (ho->os != NULL && ho->os->flags == 0)
2223 ho->os->flags = ho->flags;
2224 }
2225 orphan_init_done = 1;
2226 }
252b5132
RH
2227
2228 /* If this is a final link, then always put .gnu.warning.SYMBOL
2229 sections into the .text section to get them out of the way. */
0e1862bb 2230 if (bfd_link_executable (&link_info)
bcacc0f5 2231 && CONST_STRNEQ (s->name, ".gnu.warning.")
afd7a018 2232 && hold[orphan_text].os != NULL)
252b5132 2233 {
c2edb4b8 2234 os = hold[orphan_text].os;
b9c361e0 2235 lang_add_section (&os->children, s, NULL, os);
c2edb4b8 2236 return os;
252b5132
RH
2237 }
2238
077fcd6a
L
2239 flags = s->flags;
2240 if (!bfd_link_relocatable (&link_info))
2241 {
2242 nexts = s;
2243 while ((nexts = bfd_get_next_section_by_name (nexts->owner, nexts))
2244 != NULL)
2245 if (nexts->output_section == NULL
2246 && (nexts->flags & SEC_EXCLUDE) == 0
2247 && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
2248 && (nexts->owner->flags & DYNAMIC) == 0
2249 && nexts->owner->usrdata != NULL
2250 && !(((lang_input_statement_type *) nexts->owner->usrdata)
2251 ->flags.just_syms)
2252 && _bfd_elf_match_sections_by_type (nexts->owner, nexts,
2253 s->owner, s))
2254 flags = (((flags ^ SEC_READONLY)
2255 | (nexts->flags ^ SEC_READONLY))
2256 ^ SEC_READONLY);
2257 }
2258
252b5132
RH
2259 /* Decide which segment the section should go in based on the
2260 section name and section flags. We put loadable .note sections
2261 right after the .interp section, so that the PT_NOTE segment is
2262 stored right after the program headers where the OS can read it
2263 in the first page. */
aea4bd9d 2264
71bfc0ae 2265 place = NULL;
199af150 2266 if ((flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0)
07890c07 2267 place = &hold[orphan_nonalloc];
199af150 2268 else if ((flags & SEC_ALLOC) == 0)
71bfc0ae 2269 ;
199af150 2270 else if ((flags & SEC_LOAD) != 0
8fd04a42
AM
2271 && (elfinput
2272 ? sh_type == SHT_NOTE
2273 : CONST_STRNEQ (secname, ".note")))
afd7a018 2274 place = &hold[orphan_interp];
199af150 2275 else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0)
afd7a018 2276 place = &hold[orphan_bss];
199af150 2277 else if ((flags & SEC_SMALL_DATA) != 0)
afd7a018 2278 place = &hold[orphan_sdata];
199af150 2279 else if ((flags & SEC_THREAD_LOCAL) != 0)
d85e71fe 2280 place = &hold[orphan_tdata];
199af150 2281 else if ((flags & SEC_READONLY) == 0)
afd7a018 2282 place = &hold[orphan_data];
8fd04a42
AM
2283 else if ((flags & SEC_LOAD) != 0
2284 && (elfinput
2285 ? sh_type == SHT_RELA || sh_type == SHT_REL
2286 : CONST_STRNEQ (secname, ".rel")))
afd7a018 2287 place = &hold[orphan_rel];
199af150 2288 else if ((flags & SEC_CODE) == 0)
afd7a018
AM
2289 place = &hold[orphan_rodata];
2290 else
2291 place = &hold[orphan_text];
71bfc0ae 2292
afd7a018 2293 after = NULL;
5ba47421 2294 if (place != NULL)
252b5132 2295 {
afd7a018 2296 if (place->os == NULL)
5ba47421 2297 {
afd7a018
AM
2298 if (place->name != NULL)
2299 place->os = lang_output_section_find (place->name);
2300 else
8fd04a42
AM
2301 {
2302 int rela = elfinput ? sh_type == SHT_RELA : secname[4] == 'a';
2303 place->os = output_rel_find (isdyn, rela);
2304 }
5ba47421 2305 }
afd7a018
AM
2306 after = place->os;
2307 if (after == NULL)
93638471
AM
2308 after
2309 = lang_output_section_find_by_flags (s, flags, &place->os,
2310 _bfd_elf_match_sections_by_type);
afd7a018
AM
2311 if (after == NULL)
2312 /* *ABS* is always the first output section statement. */
2313 after = &lang_output_section_statement.head->output_section_statement;
252b5132
RH
2314 }
2315
c2edb4b8 2316 return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL);
252b5132 2317}
c56feb2b
AM
2318EOF
2319fi
2320
eaeb0a9d 2321if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
92b93329 2322fragment <<EOF
252b5132 2323
deb04cdb 2324static void
eaeb0a9d 2325gld${EMULATION_NAME}_after_allocation (void)
deb04cdb 2326{
75938853
AM
2327 int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
2328
2329 if (need_layout < 0)
d003af55 2330 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
75938853
AM
2331 else
2332 gld${EMULATION_NAME}_map_segments (need_layout);
73d074b4 2333}
41392f03
AM
2334EOF
2335fi
2336
2337if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
92b93329 2338fragment <<EOF
252b5132
RH
2339
2340static char *
0c7a8e5a 2341gld${EMULATION_NAME}_get_script (int *isfile)
252b5132
RH
2342EOF
2343
7225345d 2344if test x"$COMPILE_IN" = xyes
252b5132
RH
2345then
2346# Scripts compiled in.
2347
2348# sed commands to quote an ld script as a C string.
597e2591 2349sc="-f stringify.sed"
252b5132 2350
92b93329 2351fragment <<EOF
60bcf0fa 2352{
252b5132
RH
2353 *isfile = 0;
2354
0e1862bb 2355 if (bfd_link_relocatable (&link_info) && config.build_constructors)
597e2591 2356 return
252b5132 2357EOF
afd7a018 2358sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
0e1862bb 2359echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
afd7a018
AM
2360sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
2361echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
2362sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
61585df2 2363if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
afd7a018
AM
2364echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
2365sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
db6751f2 2366fi
36af4a4e
JJ
2367if test -n "$GENERATE_PIE_SCRIPT" ; then
2368if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
0e1862bb
L
2369echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2370echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
47acac12
L
2371echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2372echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
2373sed $sc ldscripts/${EMULATION_NAME}.xdwe >> e${EMULATION_NAME}.c
2374echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2375echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
0e1862bb 2376echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2377echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2378sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c
a3813728
AK
2379if test -n "$GENERATE_RELRO_SCRIPT" ; then
2380echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2381echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
2382echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2383echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2384sed $sc ldscripts/${EMULATION_NAME}.xdceo >> e${EMULATION_NAME}.c
2385fi
0e1862bb 2386echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
47acac12
L
2387echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2388echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c
2389sed $sc ldscripts/${EMULATION_NAME}.xdce >> e${EMULATION_NAME}.c
a3813728
AK
2390if test -n "$GENERATE_RELRO_SCRIPT" ; then
2391echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2392echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
2393echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2394sed $sc ldscripts/${EMULATION_NAME}.xdco >> e${EMULATION_NAME}.c
2395fi
47acac12 2396echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
0e1862bb 2397echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2398sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c
a3813728
AK
2399if test -n "$GENERATE_RELRO_SCRIPT" ; then
2400echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2401echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2402echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2403sed $sc ldscripts/${EMULATION_NAME}.xdeo >> e${EMULATION_NAME}.c
2404fi
36af4a4e 2405fi
47acac12
L
2406echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2407echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
2408sed $sc ldscripts/${EMULATION_NAME}.xde >> e${EMULATION_NAME}.c
a3813728
AK
2409if test -n "$GENERATE_RELRO_SCRIPT" ; then
2410echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c
2411echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2412sed $sc ldscripts/${EMULATION_NAME}.xdo >> e${EMULATION_NAME}.c
2413fi
0e1862bb 2414echo ' ; else if (bfd_link_pie (&link_info)) return' >> e${EMULATION_NAME}.c
afd7a018 2415sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c
36af4a4e 2416fi
252b5132 2417if test -n "$GENERATE_SHLIB_SCRIPT" ; then
82434356 2418if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
fb24d531
L
2419echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2420echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
47acac12
L
2421echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2422echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
2423sed $sc ldscripts/${EMULATION_NAME}.xswe >> e${EMULATION_NAME}.c
2424echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2425echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
fb24d531 2426echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2427echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2428sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c
a3813728
AK
2429if test -n "$GENERATE_RELRO_SCRIPT" ; then
2430echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2431echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
2432echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2433echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2434sed $sc ldscripts/${EMULATION_NAME}.xsceo >> e${EMULATION_NAME}.c
2435fi
fb24d531 2436echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
47acac12
L
2437echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
2438echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
2439sed $sc ldscripts/${EMULATION_NAME}.xsce >> e${EMULATION_NAME}.c
a3813728
AK
2440if test -n "$GENERATE_RELRO_SCRIPT" ; then
2441echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2442echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c
2443echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2444sed $sc ldscripts/${EMULATION_NAME}.xsco >> e${EMULATION_NAME}.c
2445fi
47acac12 2446echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
fb24d531 2447echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c
afd7a018 2448sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c
a3813728
AK
2449if test -n "$GENERATE_RELRO_SCRIPT" ; then
2450echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2451echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2452echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2453sed $sc ldscripts/${EMULATION_NAME}.xseo >> e${EMULATION_NAME}.c
2454fi
82434356 2455fi
47acac12
L
2456echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2457echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
2458sed $sc ldscripts/${EMULATION_NAME}.xse >> e${EMULATION_NAME}.c
a3813728
AK
2459if test -n "$GENERATE_RELRO_SCRIPT" ; then
2460echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c
2461echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2462sed $sc ldscripts/${EMULATION_NAME}.xso >> e${EMULATION_NAME}.c
2463fi
0e1862bb 2464echo ' ; else if (bfd_link_dll (&link_info)) return' >> e${EMULATION_NAME}.c
afd7a018 2465sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132 2466fi
82434356 2467if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
fb24d531 2468echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
47acac12
L
2469echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2470echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
2471sed $sc ldscripts/${EMULATION_NAME}.xwe >> e${EMULATION_NAME}.c
2472echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
fb24d531 2473echo ' && link_info.relro' >> e${EMULATION_NAME}.c
fbfca19e 2474echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
afd7a018 2475sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c
a3813728
AK
2476if test -n "$GENERATE_RELRO_SCRIPT" ; then
2477echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
2478echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c
2479echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2480sed $sc ldscripts/${EMULATION_NAME}.xceo >> e${EMULATION_NAME}.c
2481fi
47acac12
L
2482echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
2483echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c
2484sed $sc ldscripts/${EMULATION_NAME}.xce >> e${EMULATION_NAME}.c
a3813728
AK
2485if test -n "$GENERATE_RELRO_SCRIPT" ; then
2486echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c
2487echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2488sed $sc ldscripts/${EMULATION_NAME}.xco >> e${EMULATION_NAME}.c
2489fi
afd7a018
AM
2490echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c
2491sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c
82434356 2492fi
a3813728
AK
2493if test -n "$GENERATE_RELRO_SCRIPT" ; then
2494echo ' ; else if (link_info.separate_code' >> e${EMULATION_NAME}.c
2495echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c
2496sed $sc ldscripts/${EMULATION_NAME}.xeo >> e${EMULATION_NAME}.c
2497fi
2498echo ' ; else if (link_info.separate_code) return' >> e${EMULATION_NAME}.c
47acac12 2499sed $sc ldscripts/${EMULATION_NAME}.xe >> e${EMULATION_NAME}.c
a3813728
AK
2500if test -n "$GENERATE_RELRO_SCRIPT" ; then
2501echo ' ; else if (link_info.relro) return' >> e${EMULATION_NAME}.c
2502sed $sc ldscripts/${EMULATION_NAME}.xo >> e${EMULATION_NAME}.c
2503fi
afd7a018
AM
2504echo ' ; else return' >> e${EMULATION_NAME}.c
2505sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
2506echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
2507
2508else
2509# Scripts read from the filesystem.
2510
92b93329 2511fragment <<EOF
60bcf0fa 2512{
252b5132
RH
2513 *isfile = 1;
2514
0e1862bb 2515 if (bfd_link_relocatable (&link_info) && config.build_constructors)
252b5132 2516 return "ldscripts/${EMULATION_NAME}.xu";
0e1862bb 2517 else if (bfd_link_relocatable (&link_info))
252b5132
RH
2518 return "ldscripts/${EMULATION_NAME}.xr";
2519 else if (!config.text_read_only)
2520 return "ldscripts/${EMULATION_NAME}.xbn";
a060b769
AM
2521EOF
2522if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
2523else
92b93329 2524fragment <<EOF
252b5132
RH
2525 else if (!config.magic_demand_paged)
2526 return "ldscripts/${EMULATION_NAME}.xn";
a060b769
AM
2527EOF
2528fi
36af4a4e
JJ
2529if test -n "$GENERATE_PIE_SCRIPT" ; then
2530if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2531fragment <<EOF
0e1862bb
L
2532 else if (bfd_link_pie (&link_info)
2533 && link_info.combreloc
2534 && link_info.relro
2535 && (link_info.flags & DF_BIND_NOW))
47acac12
L
2536 {
2537 if (link_info.separate_code)
2538 return "ldscripts/${EMULATION_NAME}.xdwe";
2539 else
2540 return "ldscripts/${EMULATION_NAME}.xdw";
2541 }
a3813728
AK
2542EOF
2543if test -n "$GENERATE_RELRO_SCRIPT" ; then
2544fragment <<EOF
2545 else if (bfd_link_pie (&link_info)
2546 && link_info.combreloc
2547 && link_info.relro)
2548 {
2549 if (link_info.separate_code)
2550 return "ldscripts/${EMULATION_NAME}.xdceo";
2551 else
2552 return "ldscripts/${EMULATION_NAME}.xdco";
2553 }
2554EOF
2555fi
2556fragment <<EOF
0e1862bb
L
2557 else if (bfd_link_pie (&link_info)
2558 && link_info.combreloc)
47acac12
L
2559 {
2560 if (link_info.separate_code)
2561 return "ldscripts/${EMULATION_NAME}.xdce";
2562 else
2563 return "ldscripts/${EMULATION_NAME}.xdc";
2564 }
36af4a4e
JJ
2565EOF
2566fi
a3813728
AK
2567if test -n "$GENERATE_RELRO_SCRIPT" ; then
2568fragment <<EOF
2569 else if (bfd_link_pie (&link_info)
2570 && link_info.relro)
2571 {
2572 if (link_info.separate_code)
2573 return "ldscripts/${EMULATION_NAME}.xdeo";
2574 else
2575 return "ldscripts/${EMULATION_NAME}.xdo";
2576 }
2577EOF
2578fi
92b93329 2579fragment <<EOF
0e1862bb 2580 else if (bfd_link_pie (&link_info))
47acac12
L
2581 {
2582 if (link_info.separate_code)
2583 return "ldscripts/${EMULATION_NAME}.xde";
2584 else
2585 return "ldscripts/${EMULATION_NAME}.xd";
2586 }
36af4a4e
JJ
2587EOF
2588fi
a060b769
AM
2589if test -n "$GENERATE_SHLIB_SCRIPT" ; then
2590if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2591fragment <<EOF
0e1862bb 2592 else if (bfd_link_dll (&link_info) && link_info.combreloc
fbfca19e 2593 && link_info.relro && (link_info.flags & DF_BIND_NOW))
47acac12
L
2594 {
2595 if (link_info.separate_code)
2596 return "ldscripts/${EMULATION_NAME}.xswe";
2597 else
2598 return "ldscripts/${EMULATION_NAME}.xsw";
2599 }
a3813728
AK
2600EOF
2601if test -n "$GENERATE_RELRO_SCRIPT" ; then
2602fragment <<EOF
2603 else if (bfd_link_dll (&link_info)
2604 && link_info.combreloc
2605 && link_info.relro)
2606 {
2607 if (link_info.separate_code)
2608 return "ldscripts/${EMULATION_NAME}.xsceo";
2609 else
2610 return "ldscripts/${EMULATION_NAME}.xsco";
2611 }
2612EOF
2613fi
2614fragment <<EOF
0e1862bb 2615 else if (bfd_link_dll (&link_info) && link_info.combreloc)
47acac12
L
2616 {
2617 if (link_info.separate_code)
2618 return "ldscripts/${EMULATION_NAME}.xsce";
2619 else
2620 return "ldscripts/${EMULATION_NAME}.xsc";
2621 }
a060b769
AM
2622EOF
2623fi
a3813728
AK
2624if test -n "$GENERATE_RELRO_SCRIPT" ; then
2625fragment <<EOF
2626 else if (bfd_link_dll (&link_info)
2627 && link_info.relro)
2628 {
2629 if (link_info.separate_code)
2630 return "ldscripts/${EMULATION_NAME}.xseo";
2631 else
2632 return "ldscripts/${EMULATION_NAME}.xso";
2633 }
2634EOF
2635fi
92b93329 2636fragment <<EOF
0e1862bb 2637 else if (bfd_link_dll (&link_info))
47acac12
L
2638 {
2639 if (link_info.separate_code)
2640 return "ldscripts/${EMULATION_NAME}.xse";
2641 else
2642 return "ldscripts/${EMULATION_NAME}.xs";
2643 }
a060b769
AM
2644EOF
2645fi
2646if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
92b93329 2647fragment <<EOF
8c37241b 2648 else if (link_info.combreloc && link_info.relro
fbfca19e 2649 && (link_info.flags & DF_BIND_NOW))
47acac12
L
2650 {
2651 if (link_info.separate_code)
2652 return "ldscripts/${EMULATION_NAME}.xwe";
2653 else
2654 return "ldscripts/${EMULATION_NAME}.xw";
2655 }
a3813728
AK
2656EOF
2657if test -n "$GENERATE_RELRO_SCRIPT" ; then
2658fragment <<EOF
2659 else if (link_info.combreloc
2660 && link_info.relro)
2661 {
2662 if (link_info.separate_code)
2663 return "ldscripts/${EMULATION_NAME}.xceo";
2664 else
2665 return "ldscripts/${EMULATION_NAME}.xco";
2666 }
2667EOF
2668fi
2669fragment <<EOF
a060b769 2670 else if (link_info.combreloc)
47acac12
L
2671 {
2672 if (link_info.separate_code)
2673 return "ldscripts/${EMULATION_NAME}.xce";
2674 else
2675 return "ldscripts/${EMULATION_NAME}.xc";
2676 }
a060b769
AM
2677EOF
2678fi
a3813728
AK
2679if test -n "$GENERATE_RELRO_SCRIPT" ; then
2680fragment <<EOF
2681 else if (link_info.relro)
2682 {
2683 if (link_info.separate_code)
2684 return "ldscripts/${EMULATION_NAME}.xeo";
2685 else
2686 return "ldscripts/${EMULATION_NAME}.xo";
2687 }
2688EOF
2689fi
92b93329 2690fragment <<EOF
252b5132 2691 else
47acac12
L
2692 {
2693 if (link_info.separate_code)
2694 return "ldscripts/${EMULATION_NAME}.xe";
2695 else
2696 return "ldscripts/${EMULATION_NAME}.x";
2697 }
252b5132 2698}
252b5132 2699
3b108066 2700EOF
41392f03
AM
2701fi
2702fi
3b108066 2703
e0ee487b 2704if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
92b93329 2705fragment <<EOF
e0ee487b
L
2706 $PARSE_AND_LIST_PROLOGUE
2707EOF
2708fi
2709
92b93329 2710fragment <<EOF
e0ee487b 2711
29063f8b
NC
2712enum elf_options
2713{
2714 OPTION_DISABLE_NEW_DTAGS = 400,
2715 OPTION_ENABLE_NEW_DTAGS,
2716 OPTION_GROUP,
2717 OPTION_EH_FRAME_HDR,
2718 OPTION_NO_EH_FRAME_HDR,
2719 OPTION_EXCLUDE_LIBS,
2720 OPTION_HASH_STYLE,
2721 OPTION_BUILD_ID,
2722 OPTION_AUDIT,
2723 OPTION_COMPRESS_DEBUG
2724};
e13629bc 2725
3bcf5557 2726static void
0c7a8e5a
AM
2727gld${EMULATION_NAME}_add_options
2728 (int ns, char **shortopts, int nl, struct option **longopts,
2729 int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
e0ee487b 2730{
fb42df5e
AM
2731EOF
2732if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2733fragment <<EOF
7ee314fa 2734 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
fb42df5e
AM
2735EOF
2736else
2737fragment <<EOF
2738 static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
2739EOF
2740fi
2741fragment <<EOF
3bcf5557 2742 static const struct option xtra_long[] = {
fb42df5e
AM
2743EOF
2744if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2745fragment <<EOF
7ee314fa 2746 {"audit", required_argument, NULL, OPTION_AUDIT},
fb42df5e
AM
2747 {"Bgroup", no_argument, NULL, OPTION_GROUP},
2748EOF
2749fi
2750fragment <<EOF
2751 {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
0ce398f1 2752 {"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG},
e0ee487b 2753EOF
e0ee487b 2754if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
92b93329 2755fragment <<EOF
fb42df5e 2756 {"depaudit", required_argument, NULL, 'P'},
3bcf5557
AM
2757 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
2758 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
2759 {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
29063f8b 2760 {"no-eh-frame-hdr", no_argument, NULL, OPTION_NO_EH_FRAME_HDR},
b58f81ae 2761 {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
fdc90cb4 2762 {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
e0ee487b
L
2763EOF
2764fi
e0ee487b 2765if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
92b93329 2766fragment <<EOF
3bcf5557 2767 $PARSE_AND_LIST_LONGOPTS
e0ee487b
L
2768EOF
2769fi
92b93329 2770fragment <<EOF
3bcf5557
AM
2771 {NULL, no_argument, NULL, 0}
2772 };
2773
2774 *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
2775 memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
2776 *longopts = (struct option *)
2777 xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
2778 memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
2779}
04925e1e 2780
24382dca 2781#define DEFAULT_BUILD_ID_STYLE "sha1"
c0065db7 2782
3bcf5557 2783static bfd_boolean
0c7a8e5a 2784gld${EMULATION_NAME}_handle_option (int optc)
e0ee487b 2785{
e0ee487b
L
2786 switch (optc)
2787 {
2788 default:
3bcf5557 2789 return FALSE;
6c1439be 2790
c0065db7 2791 case OPTION_BUILD_ID:
30e8ee25 2792 if (emit_note_gnu_build_id != NULL)
c0065db7 2793 {
30e8ee25
AM
2794 free ((char *) emit_note_gnu_build_id);
2795 emit_note_gnu_build_id = NULL;
c0065db7
RM
2796 }
2797 if (optarg == NULL)
2798 optarg = DEFAULT_BUILD_ID_STYLE;
2799 if (strcmp (optarg, "none"))
30e8ee25 2800 emit_note_gnu_build_id = xstrdup (optarg);
c0065db7 2801 break;
fb42df5e 2802
0ce398f1
L
2803 case OPTION_COMPRESS_DEBUG:
2804 if (strcasecmp (optarg, "none") == 0)
2805 link_info.compress_debug = COMPRESS_DEBUG_NONE;
2806 else if (strcasecmp (optarg, "zlib") == 0)
19a7fe52 2807 link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
0ce398f1
L
2808 else if (strcasecmp (optarg, "zlib-gnu") == 0)
2809 link_info.compress_debug = COMPRESS_DEBUG_GNU_ZLIB;
2810 else if (strcasecmp (optarg, "zlib-gabi") == 0)
2811 link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
2812 else
df5f2391 2813 einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"),
0ce398f1
L
2814 optarg);
2815 break;
fb42df5e
AM
2816EOF
2817
2818if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2819fragment <<EOF
7ee314fa 2820 case OPTION_AUDIT:
4724d37e 2821 gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg);
7ee314fa 2822 break;
fb42df5e 2823
7ee314fa
AM
2824 case 'P':
2825 gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg);
2826 break;
c0065db7 2827
6c1439be 2828 case OPTION_DISABLE_NEW_DTAGS:
b34976b6 2829 link_info.new_dtags = FALSE;
6c1439be
L
2830 break;
2831
2832 case OPTION_ENABLE_NEW_DTAGS:
b34976b6 2833 link_info.new_dtags = TRUE;
6c1439be
L
2834 break;
2835
65765700 2836 case OPTION_EH_FRAME_HDR:
2f0c68f2 2837 link_info.eh_frame_hdr_type = DWARF2_EH_HDR;
65765700
JJ
2838 break;
2839
29063f8b
NC
2840 case OPTION_NO_EH_FRAME_HDR:
2841 link_info.eh_frame_hdr_type = 0;
2842 break;
2843
a1ab1d2a
UD
2844 case OPTION_GROUP:
2845 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
2846 /* Groups must be self-contained. */
560e09e9
NC
2847 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
2848 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
a1ab1d2a
UD
2849 break;
2850
b58f81ae
DJ
2851 case OPTION_EXCLUDE_LIBS:
2852 add_excluded_libs (optarg);
2853 break;
2854
fdc90cb4
JJ
2855 case OPTION_HASH_STYLE:
2856 link_info.emit_hash = FALSE;
2857 link_info.emit_gnu_hash = FALSE;
2858 if (strcmp (optarg, "sysv") == 0)
2859 link_info.emit_hash = TRUE;
2860 else if (strcmp (optarg, "gnu") == 0)
2861 link_info.emit_gnu_hash = TRUE;
2862 else if (strcmp (optarg, "both") == 0)
2863 {
2864 link_info.emit_hash = TRUE;
2865 link_info.emit_gnu_hash = TRUE;
2866 }
2867 else
df5f2391 2868 einfo (_("%F%P: invalid hash style \`%s'\n"), optarg);
fdc90cb4
JJ
2869 break;
2870
fb42df5e
AM
2871EOF
2872fi
2873fragment <<EOF
e0ee487b 2874 case 'z':
fb42df5e
AM
2875 if (strcmp (optarg, "defs") == 0)
2876 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
97a232d7
NC
2877 else if (strcmp (optarg, "undefs") == 0)
2878 link_info.unresolved_syms_in_objects = RM_IGNORE;
fb42df5e
AM
2879 else if (strcmp (optarg, "muldefs") == 0)
2880 link_info.allow_multiple_definition = TRUE;
2881 else if (CONST_STRNEQ (optarg, "max-page-size="))
2882 {
2883 char *end;
2884
2885 config.maxpagesize = strtoul (optarg + 14, &end, 0);
2886 if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
eca4b721 2887 einfo (_("%F%P: invalid maximum page size \`%s'\n"),
fb42df5e
AM
2888 optarg + 14);
2889 }
2890 else if (CONST_STRNEQ (optarg, "common-page-size="))
2891 {
2892 char *end;
2893 config.commonpagesize = strtoul (optarg + 17, &end, 0);
2894 if (*end
2895 || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
df5f2391 2896 einfo (_("%F%P: invalid common page size \`%s'\n"),
fb42df5e
AM
2897 optarg + 17);
2898 }
04c3a755
NS
2899 else if (CONST_STRNEQ (optarg, "stack-size="))
2900 {
2901 char *end;
2902 link_info.stacksize = strtoul (optarg + 11, &end, 0);
2903 if (*end || link_info.stacksize < 0)
df5f2391 2904 einfo (_("%F%P: invalid stack size \`%s'\n"), optarg + 11);
04c3a755
NS
2905 if (!link_info.stacksize)
2906 /* Use -1 for explicit no-stack, because zero means
2907 'default'. */
2908 link_info.stacksize = -1;
2909 }
fb42df5e
AM
2910 else if (strcmp (optarg, "execstack") == 0)
2911 {
2912 link_info.execstack = TRUE;
2913 link_info.noexecstack = FALSE;
2914 }
2915 else if (strcmp (optarg, "noexecstack") == 0)
2916 {
2917 link_info.noexecstack = TRUE;
2918 link_info.execstack = FALSE;
2919 }
93ab9c0d
NC
2920 else if (strcmp (optarg, "globalaudit") == 0)
2921 {
2922 link_info.flags_1 |= DF_1_GLOBAUDIT;
2923 }
fb42df5e 2924EOF
d258b828 2925
fb42df5e
AM
2926if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
2927fragment <<EOF
b039ef04
L
2928 else if (strcmp (optarg, "global") == 0)
2929 link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
fb42df5e 2930 else if (strcmp (optarg, "initfirst") == 0)
e0ee487b
L
2931 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
2932 else if (strcmp (optarg, "interpose") == 0)
2933 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
2934 else if (strcmp (optarg, "loadfltr") == 0)
2935 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
2936 else if (strcmp (optarg, "nodefaultlib") == 0)
2937 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
2938 else if (strcmp (optarg, "nodelete") == 0)
2939 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
2940 else if (strcmp (optarg, "nodlopen") == 0)
2941 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
2942 else if (strcmp (optarg, "nodump") == 0)
2943 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
2944 else if (strcmp (optarg, "now") == 0)
2945 {
2946 link_info.flags |= (bfd_vma) DF_BIND_NOW;
2947 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
2948 }
5fa222e4
AM
2949 else if (strcmp (optarg, "lazy") == 0)
2950 {
2951 link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
2952 link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
2953 }
e0ee487b
L
2954 else if (strcmp (optarg, "origin") == 0)
2955 {
2956 link_info.flags |= (bfd_vma) DF_ORIGIN;
2957 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
2958 }
db6751f2 2959 else if (strcmp (optarg, "combreloc") == 0)
b34976b6 2960 link_info.combreloc = TRUE;
db6751f2 2961 else if (strcmp (optarg, "nocombreloc") == 0)
b34976b6 2962 link_info.combreloc = FALSE;
8bd621d8 2963 else if (strcmp (optarg, "nocopyreloc") == 0)
0c7a8e5a 2964 link_info.nocopyreloc = TRUE;
8c37241b
JJ
2965 else if (strcmp (optarg, "relro") == 0)
2966 link_info.relro = TRUE;
2967 else if (strcmp (optarg, "norelro") == 0)
2968 link_info.relro = FALSE;
47acac12
L
2969 else if (strcmp (optarg, "separate-code") == 0)
2970 link_info.separate_code = TRUE;
2971 else if (strcmp (optarg, "noseparate-code") == 0)
2972 link_info.separate_code = FALSE;
b8871f35
L
2973 else if (strcmp (optarg, "common") == 0)
2974 link_info.elf_stt_common = elf_stt_common;
2975 else if (strcmp (optarg, "nocommon") == 0)
2976 link_info.elf_stt_common = no_elf_stt_common;
c192a133
AM
2977 else if (strcmp (optarg, "text") == 0)
2978 link_info.error_textrel = TRUE;
2979 else if (strcmp (optarg, "notext") == 0)
2980 link_info.error_textrel = FALSE;
2981 else if (strcmp (optarg, "textoff") == 0)
2982 link_info.error_textrel = FALSE;
88b882e9 2983EOF
fb42df5e 2984fi
88b882e9 2985
eba27bd7
L
2986if test -n "$PARSE_AND_LIST_ARGS_CASE_Z" ; then
2987fragment <<EOF
2988 $PARSE_AND_LIST_ARGS_CASE_Z
2989EOF
2990fi
2991
92b93329 2992fragment <<EOF
fb42df5e 2993 else
df5f2391 2994 einfo (_("%P: warning: -z %s ignored\n"), optarg);
6c1439be 2995 break;
e0ee487b 2996EOF
e0ee487b
L
2997
2998if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
92b93329 2999fragment <<EOF
e0ee487b
L
3000 $PARSE_AND_LIST_ARGS_CASES
3001EOF
3002fi
3003
92b93329 3004fragment <<EOF
e0ee487b
L
3005 }
3006
3bcf5557 3007 return TRUE;
e0ee487b
L
3008}
3009
41392f03 3010EOF
41392f03 3011
4b209b22 3012if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
c58212ea 3013gld_list_options="gld${EMULATION_NAME}_list_options"
eba27bd7 3014if test -n "$PARSE_AND_LIST_OPTIONS"; then
92b93329 3015fragment <<EOF
41392f03 3016
e0ee487b 3017static void
0c7a8e5a 3018gld${EMULATION_NAME}_list_options (FILE * file)
e0ee487b 3019{
fb42df5e 3020EOF
e0ee487b
L
3021
3022if test -n "$PARSE_AND_LIST_OPTIONS" ; then
92b93329 3023fragment <<EOF
e0ee487b
L
3024 $PARSE_AND_LIST_OPTIONS
3025EOF
3026fi
3027
92b93329 3028fragment <<EOF
e0ee487b
L
3029}
3030EOF
c58212ea
L
3031else
3032 gld_list_options="NULL"
3033fi
e0ee487b
L
3034
3035if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
92b93329 3036fragment <<EOF
e0ee487b
L
3037 $PARSE_AND_LIST_EPILOGUE
3038EOF
3039fi
41392f03 3040fi
e0ee487b 3041
92b93329 3042fragment <<EOF
252b5132 3043
60bcf0fa 3044struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 3045{
41392f03
AM
3046 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
3047 ${LDEMUL_SYSLIB-syslib_default},
3048 ${LDEMUL_HLL-hll_default},
5fe2850d 3049 ${LDEMUL_AFTER_PARSE-gld${EMULATION_NAME}_after_parse},
41392f03 3050 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
5c3261b0 3051 ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
eaeb0a9d 3052 ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
41392f03
AM
3053 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
3054 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
3055 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
3056 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
3057 "${EMULATION_NAME}",
3058 "${OUTPUT_FORMAT}",
eaeb0a9d 3059 ${LDEMUL_FINISH-finish_default},
41392f03
AM
3060 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
3061 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
3062 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
3063 ${LDEMUL_SET_SYMBOLS-NULL},
3bcf5557
AM
3064 ${LDEMUL_PARSE_ARGS-NULL},
3065 gld${EMULATION_NAME}_add_options,
3066 gld${EMULATION_NAME}_handle_option,
41392f03 3067 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
c58212ea 3068 ${LDEMUL_LIST_OPTIONS-${gld_list_options}},
4a43e768 3069 ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols},
41392f03 3070 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
7a2f2d82
DD
3071 ${LDEMUL_NEW_VERS_PATTERN-NULL},
3072 ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL}
252b5132
RH
3073};
3074EOF
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