* ld.texinfo: Document --fatal-warnings.
[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 "${ELFSIZE}" && ELFSIZE=32
6cat >e${EMULATION_NAME}.c <<EOF
7/* This file is is generated by a shell script. DO NOT EDIT! */
8
9/* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
a2b64bed 10 Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
87f2a346 11 Free Software Foundation, Inc.
252b5132
RH
12 Written by Steve Chamberlain <sac@cygnus.com>
13 ELF support by Ian Lance Taylor <ian@cygnus.com>
14
15This file is part of GLD, the Gnu Linker.
16
17This program is free software; you can redistribute it and/or modify
18it under the terms of the GNU General Public License as published by
19the Free Software Foundation; either version 2 of the License, or
20(at your option) any later version.
21
22This program is distributed in the hope that it will be useful,
23but WITHOUT ANY WARRANTY; without even the implied warranty of
24MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25GNU General Public License for more details.
26
27You should have received a copy of the GNU General Public License
28along with this program; if not, write to the Free Software
29Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
30
31#define TARGET_IS_${EMULATION_NAME}
32
33#include "bfd.h"
34#include "sysdep.h"
35
36#include <ctype.h>
37
38#include "bfdlink.h"
39
40#include "ld.h"
41#include "ldmain.h"
252b5132
RH
42#include "ldmisc.h"
43#include "ldexp.h"
44#include "ldlang.h"
b71e2778
AM
45#include "ldfile.h"
46#include "ldemul.h"
252b5132 47#include "ldgram.h"
e0ee487b 48#include "elf/common.h"
252b5132
RH
49
50static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
04925e1e 51static void gld${EMULATION_NAME}_vercheck
252b5132
RH
52 PARAMS ((lang_input_statement_type *));
53static void gld${EMULATION_NAME}_stat_needed
54 PARAMS ((lang_input_statement_type *));
04925e1e 55static boolean gld${EMULATION_NAME}_try_needed PARAMS ((const char *, int));
252b5132
RH
56static boolean gld${EMULATION_NAME}_search_needed
57 PARAMS ((const char *, const char *, int));
04925e1e 58static void gld${EMULATION_NAME}_check_needed
252b5132 59 PARAMS ((lang_input_statement_type *));
04925e1e
AM
60static void gld${EMULATION_NAME}_after_open PARAMS ((void));
61static void gld${EMULATION_NAME}_find_exp_assignment PARAMS ((etree_type *));
252b5132
RH
62static void gld${EMULATION_NAME}_find_statement_assignment
63 PARAMS ((lang_statement_union_type *));
04925e1e
AM
64static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
65static boolean gld${EMULATION_NAME}_open_dynamic_archive
66 PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
67static lang_output_section_statement_type *output_rel_find PARAMS ((void));
252b5132
RH
68static boolean gld${EMULATION_NAME}_place_orphan
69 PARAMS ((lang_input_statement_type *, asection *));
252b5132
RH
70static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
71
41392f03
AM
72EOF
73
74# Import any needed special functions and/or overrides.
75#
76if test -n "$EXTRA_EM_FILE" ; then
77. ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
78fi
79
f813923c 80# Functions in this file can be overridden by setting the LDEMUL_* shell
41392f03
AM
81# variables. If the name of the overriding function is the same as is
82# defined in this file, then don't output this file's version.
83# If a different overriding name is given then output the standard function
84# as presumably it is called from the overriding function.
85#
86if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
87cat >>e${EMULATION_NAME}.c <<EOF
88
252b5132 89static void
41392f03 90gld${EMULATION_NAME}_before_parse ()
252b5132
RH
91{
92 ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`;
93 config.dynamic_link = ${DYNAMIC_LINK-true};
94 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`;
95}
96
41392f03
AM
97EOF
98fi
99
100cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
101
102/* These variables are required to pass information back and forth
103 between after_open and check_needed and stat_needed and vercheck. */
104
105static struct bfd_link_needed_list *global_needed;
106static struct stat global_stat;
107static boolean global_found;
108static struct bfd_link_needed_list *global_vercheck_needed;
109static boolean global_vercheck_failed;
110
252b5132 111
04925e1e
AM
112/* On Linux, it's possible to have different versions of the same
113 shared library linked against different versions of libc. The
114 dynamic linker somehow tags which libc version to use in
115 /etc/ld.so.cache, and, based on the libc that it sees in the
116 executable, chooses which version of the shared library to use.
252b5132 117
04925e1e
AM
118 We try to do a similar check here by checking whether this shared
119 library needs any other shared libraries which may conflict with
120 libraries we have already included in the link. If it does, we
121 skip it, and try to find another shared library farther on down the
122 link path.
252b5132 123
04925e1e
AM
124 This is called via lang_for_each_input_file.
125 GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object
f813923c 126 which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find
04925e1e 127 a conflicting version. */
252b5132 128
04925e1e
AM
129static void
130gld${EMULATION_NAME}_vercheck (s)
131 lang_input_statement_type *s;
132{
133 const char *soname, *f;
134 struct bfd_link_needed_list *l;
252b5132 135
04925e1e
AM
136 if (global_vercheck_failed)
137 return;
138 if (s->the_bfd == NULL
139 || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0)
140 return;
252b5132 141
04925e1e
AM
142 soname = bfd_elf_get_dt_soname (s->the_bfd);
143 if (soname == NULL)
144 soname = bfd_get_filename (s->the_bfd);
145
146 f = strrchr (soname, '/');
147 if (f != NULL)
148 ++f;
149 else
150 f = soname;
151
152 for (l = global_vercheck_needed; l != NULL; l = l->next)
153 {
154 const char *suffix;
155
156 if (strcmp (f, l->name) == 0)
157 {
158 /* Probably can't happen, but it's an easy check. */
159 continue;
252b5132
RH
160 }
161
04925e1e 162 if (strchr (l->name, '/') != NULL)
252b5132
RH
163 continue;
164
04925e1e
AM
165 suffix = strstr (l->name, ".so.");
166 if (suffix == NULL)
167 continue;
168
169 suffix += sizeof ".so." - 1;
170
171 if (strncmp (f, l->name, suffix - l->name) == 0)
172 {
173 /* Here we know that S is a dynamic object FOO.SO.VER1, and
174 the object we are considering needs a dynamic object
175 FOO.SO.VER2, and VER1 and VER2 are different. This
176 appears to be a version mismatch, so we tell the caller
177 to try a different version of this library. */
178 global_vercheck_failed = true;
179 return;
180 }
252b5132
RH
181 }
182}
183
252b5132 184
04925e1e
AM
185/* See if an input file matches a DT_NEEDED entry by running stat on
186 the file. */
187
188static void
189gld${EMULATION_NAME}_stat_needed (s)
190 lang_input_statement_type *s;
252b5132 191{
04925e1e
AM
192 struct stat st;
193 const char *suffix;
194 const char *soname;
195 const char *f;
252b5132 196
04925e1e
AM
197 if (global_found)
198 return;
199 if (s->the_bfd == NULL)
200 return;
201
202 if (bfd_stat (s->the_bfd, &st) != 0)
252b5132 203 {
04925e1e
AM
204 einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd);
205 return;
206 }
252b5132 207
04925e1e
AM
208 if (st.st_dev == global_stat.st_dev
209 && st.st_ino == global_stat.st_ino)
210 {
211 global_found = true;
212 return;
213 }
252b5132 214
04925e1e
AM
215 /* We issue a warning if it looks like we are including two
216 different versions of the same shared library. For example,
217 there may be a problem if -lc picks up libc.so.6 but some other
218 shared library has a DT_NEEDED entry of libc.so.5. This is a
f813923c 219 heuristic test, and it will only work if the name looks like
04925e1e
AM
220 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
221 If we really want to issue warnings about mixing version numbers
222 of shared libraries, we need to find a better way. */
252b5132 223
04925e1e
AM
224 if (strchr (global_needed->name, '/') != NULL)
225 return;
226 suffix = strstr (global_needed->name, ".so.");
227 if (suffix == NULL)
228 return;
229 suffix += sizeof ".so." - 1;
252b5132 230
04925e1e
AM
231 soname = bfd_elf_get_dt_soname (s->the_bfd);
232 if (soname == NULL)
233 soname = s->filename;
252b5132 234
04925e1e
AM
235 f = strrchr (soname, '/');
236 if (f != NULL)
237 ++f;
238 else
239 f = soname;
252b5132 240
04925e1e
AM
241 if (strncmp (f, global_needed->name, suffix - global_needed->name) == 0)
242 einfo ("%P: warning: %s, needed by %B, may conflict with %s\n",
243 global_needed->name, global_needed->by, f);
252b5132
RH
244}
245
04925e1e 246
252b5132
RH
247/* This function is called for each possible name for a dynamic object
248 named by a DT_NEEDED entry. The FORCE parameter indicates whether
249 to skip the check for a conflicting version. */
250
251static boolean
252gld${EMULATION_NAME}_try_needed (name, force)
253 const char *name;
254 int force;
255{
256 bfd *abfd;
ec4eb78a 257 const char *soname;
252b5132
RH
258
259 abfd = bfd_openr (name, bfd_get_target (output_bfd));
260 if (abfd == NULL)
261 return false;
262 if (! bfd_check_format (abfd, bfd_object))
263 {
264 (void) bfd_close (abfd);
265 return false;
266 }
267 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
268 {
269 (void) bfd_close (abfd);
270 return false;
271 }
272
273 /* Check whether this object would include any conflicting library
274 versions. If FORCE is set, then we skip this check; we use this
275 the second time around, if we couldn't find any compatible
276 instance of the shared library. */
277
278 if (! force)
279 {
280 struct bfd_link_needed_list *needed;
281
282 if (! bfd_elf_get_bfd_needed_list (abfd, &needed))
283 einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd);
284
285 if (needed != NULL)
286 {
287 global_vercheck_needed = needed;
288 global_vercheck_failed = false;
289 lang_for_each_input_file (gld${EMULATION_NAME}_vercheck);
290 if (global_vercheck_failed)
291 {
292 (void) bfd_close (abfd);
293 /* Return false to force the caller to move on to try
294 another file on the search path. */
295 return false;
296 }
297
298 /* But wait! It gets much worse. On Linux, if a shared
299 library does not use libc at all, we are supposed to skip
300 it the first time around in case we encounter a shared
301 library later on with the same name which does use the
302 version of libc that we want. This is much too horrible
303 to use on any system other than Linux. */
304
305EOF
306case ${target} in
307 *-*-linux-gnu*)
308 cat >>e${EMULATION_NAME}.c <<EOF
309 {
310 struct bfd_link_needed_list *l;
311
312 for (l = needed; l != NULL; l = l->next)
313 if (strncmp (l->name, "libc.so", 7) == 0)
314 break;
315 if (l == NULL)
316 {
317 (void) bfd_close (abfd);
318 return false;
319 }
320 }
321
322EOF
323 ;;
324esac
325cat >>e${EMULATION_NAME}.c <<EOF
326 }
327 }
328
329 /* We've found a dynamic object matching the DT_NEEDED entry. */
330
04925e1e
AM
331 /* We have already checked that there is no other input file of the
332 same name. We must now check again that we are not including the
333 same file twice. We need to do this because on many systems
334 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
335 reference libc.so.1. If we have already included libc.so, we
336 don't want to include libc.so.1 if they are the same file, and we
337 can only check that using stat. */
338
339 if (bfd_stat (abfd, &global_stat) != 0)
340 einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd);
ec4eb78a
L
341
342 /* First strip off everything before the last '/'. */
343 soname = strrchr (abfd->filename, '/');
344 if (soname)
345 soname++;
346 else
347 soname = abfd->filename;
348
349 if (trace_file_tries)
350 info_msg (_("found %s at %s\n"), soname, name);
351
04925e1e
AM
352 global_found = false;
353 lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed);
354 if (global_found)
355 {
356 /* Return true to indicate that we found the file, even though
357 we aren't going to do anything with it. */
358 return true;
359 }
360
41392f03 361 /* Tell the ELF backend that we don't want the output file to have a
04925e1e
AM
362 DT_NEEDED entry for this file. */
363 bfd_elf_set_dt_needed_name (abfd, "");
364
04925e1e
AM
365 /* Tell the ELF backend that the output file needs a DT_NEEDED
366 entry for this file if it is used to resolve the reference in
367 a regular object. */
ec4eb78a 368 bfd_elf_set_dt_needed_soname (abfd, soname);
04925e1e
AM
369
370 /* Add this file into the symbol table. */
371 if (! bfd_link_add_symbols (abfd, &link_info))
372 einfo ("%F%B: could not read symbols: %E\n", abfd);
373
374 return true;
375}
376
377
378/* Search for a needed file in a path. */
379
380static boolean
381gld${EMULATION_NAME}_search_needed (path, name, force)
382 const char *path;
383 const char *name;
384 int force;
385{
386 const char *s;
387 size_t len;
388
cc5ce052
UD
389 if (name[0] == '/')
390 return gld${EMULATION_NAME}_try_needed (name, force);
391
04925e1e
AM
392 if (path == NULL || *path == '\0')
393 return false;
394 len = strlen (name);
395 while (1)
396 {
397 char *filename, *sset;
398
399 s = strchr (path, ':');
400 if (s == NULL)
401 s = path + strlen (path);
402
403 filename = (char *) xmalloc (s - path + len + 2);
404 if (s == path)
405 sset = filename;
406 else
407 {
408 memcpy (filename, path, s - path);
409 filename[s - path] = '/';
410 sset = filename + (s - path) + 1;
411 }
412 strcpy (sset, name);
413
414 if (gld${EMULATION_NAME}_try_needed (filename, force))
415 return true;
416
417 free (filename);
418
419 if (*s == '\0')
420 break;
421 path = s + 1;
422 }
423
424 return false;
425}
426
427EOF
428if [ "x${host}" = "x${target}" ] ; then
429 case " ${EMULATION_LIBPATH} " in
430 *" ${EMULATION_NAME} "*)
482e8b32
DB
431 case ${target} in
432 *-*-linux-gnu*)
433 cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
434
435/* For a native linker, check the file /etc/ld.so.conf for directories
436 in which we may find shared libraries. /etc/ld.so.conf is really
482e8b32 437 only meaningful on Linux. */
04925e1e
AM
438
439static boolean gld${EMULATION_NAME}_check_ld_so_conf
440 PARAMS ((const char *, int));
441
442static boolean
443gld${EMULATION_NAME}_check_ld_so_conf (name, force)
444 const char *name;
445 int force;
446{
447 static boolean initialized;
448 static char *ld_so_conf;
449
450 if (! initialized)
451 {
452 FILE *f;
453
454 f = fopen ("/etc/ld.so.conf", FOPEN_RT);
455 if (f != NULL)
456 {
457 char *b;
458 size_t len, alloc;
459 int c;
460
461 len = 0;
462 alloc = 100;
463 b = (char *) xmalloc (alloc);
464
465 while ((c = getc (f)) != EOF)
466 {
467 if (len + 1 >= alloc)
468 {
469 alloc *= 2;
470 b = (char *) xrealloc (b, alloc);
471 }
472 if (c != ':'
473 && c != ' '
474 && c != '\t'
475 && c != '\n'
476 && c != ',')
477 {
478 b[len] = c;
479 ++len;
480 }
481 else
482 {
483 if (len > 0 && b[len - 1] != ':')
484 {
485 b[len] = ':';
486 ++len;
487 }
488 }
489 }
490
491 if (len > 0 && b[len - 1] == ':')
492 --len;
252b5132 493
04925e1e
AM
494 if (len > 0)
495 b[len] = '\0';
496 else
497 {
498 free (b);
499 b = NULL;
500 }
252b5132 501
04925e1e 502 fclose (f);
252b5132 503
04925e1e
AM
504 ld_so_conf = b;
505 }
49e56c49 506
04925e1e
AM
507 initialized = true;
508 }
49e56c49 509
04925e1e
AM
510 if (ld_so_conf == NULL)
511 return false;
252b5132 512
04925e1e 513 return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force);
252b5132
RH
514}
515
04925e1e 516EOF
482e8b32
DB
517 # Linux
518 ;;
519 esac
04925e1e
AM
520 esac
521fi
522cat >>e${EMULATION_NAME}.c <<EOF
523
252b5132
RH
524/* See if an input file matches a DT_NEEDED entry by name. */
525
526static void
527gld${EMULATION_NAME}_check_needed (s)
528 lang_input_statement_type *s;
529{
530 if (global_found)
531 return;
532
577a0623 533 if (s->filename != NULL)
252b5132 534 {
577a0623
AM
535 const char *f;
536
537 if (strcmp (s->filename, global_needed->name) == 0)
538 {
539 global_found = true;
540 return;
541 }
542
543 if (s->search_dirs_flag)
544 {
545 f = strrchr (s->filename, '/');
546 if (f != NULL
547 && strcmp (f + 1, global_needed->name) == 0)
548 {
549 global_found = true;
550 return;
551 }
552 }
252b5132
RH
553 }
554
555 if (s->the_bfd != NULL)
556 {
557 const char *soname;
558
559 soname = bfd_elf_get_dt_soname (s->the_bfd);
560 if (soname != NULL
561 && strcmp (soname, global_needed->name) == 0)
562 {
563 global_found = true;
564 return;
565 }
566 }
252b5132
RH
567}
568
41392f03
AM
569EOF
570
571if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
572cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
573
574/* This is called after all the input files have been opened. */
252b5132
RH
575
576static void
04925e1e 577gld${EMULATION_NAME}_after_open ()
252b5132 578{
04925e1e 579 struct bfd_link_needed_list *needed, *l;
252b5132 580
04925e1e
AM
581 /* We only need to worry about this when doing a final link. */
582 if (link_info.relocateable || link_info.shared)
252b5132
RH
583 return;
584
04925e1e
AM
585 /* Get the list of files which appear in DT_NEEDED entries in
586 dynamic objects included in the link (often there will be none).
587 For each such file, we want to track down the corresponding
588 library, and include the symbol table in the link. This is what
589 the runtime dynamic linker will do. Tracking the files down here
590 permits one dynamic object to include another without requiring
591 special action by the person doing the link. Note that the
592 needed list can actually grow while we are stepping through this
593 loop. */
594 needed = bfd_elf_get_needed_list (output_bfd, &link_info);
595 for (l = needed; l != NULL; l = l->next)
252b5132 596 {
04925e1e
AM
597 struct bfd_link_needed_list *ll;
598 int force;
252b5132 599
04925e1e
AM
600 /* If we've already seen this file, skip it. */
601 for (ll = needed; ll != l; ll = ll->next)
602 if (strcmp (ll->name, l->name) == 0)
603 break;
604 if (ll != l)
605 continue;
252b5132 606
04925e1e
AM
607 /* See if this file was included in the link explicitly. */
608 global_needed = l;
609 global_found = false;
610 lang_for_each_input_file (gld${EMULATION_NAME}_check_needed);
611 if (global_found)
612 continue;
252b5132 613
ec4eb78a
L
614 if (trace_file_tries)
615 info_msg (_("%s needed by %B\n"), l->name, l->by);
616
04925e1e
AM
617 /* We need to find this file and include the symbol table. We
618 want to search for the file in the same way that the dynamic
619 linker will search. That means that we want to use
620 rpath_link, rpath, then the environment variable
ec4eb78a
L
621 LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH
622 entries (native only), then the linker script LIB_SEARCH_DIRS.
623 We do not search using the -L arguments.
252b5132 624
04925e1e
AM
625 We search twice. The first time, we skip objects which may
626 introduce version mismatches. The second time, we force
627 their use. See gld${EMULATION_NAME}_vercheck comment. */
628 for (force = 0; force < 2; force++)
629 {
04925e1e
AM
630 size_t len;
631 search_dirs_type *search;
6dd8c765
L
632EOF
633if [ "x${host}" = "x${target}" ] ; then
634 case " ${EMULATION_LIBPATH} " in
635 *" ${EMULATION_NAME} "*)
636cat >>e${EMULATION_NAME}.c <<EOF
dcb0bd0e 637 const char *lib_path;
6dd8c765
L
638 struct bfd_link_needed_list *rp;
639 int found;
640EOF
641 ;;
642 esac
643fi
644cat >>e${EMULATION_NAME}.c <<EOF
252b5132 645
04925e1e
AM
646 if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link,
647 l->name, force))
648 break;
dcb0bd0e
L
649EOF
650if [ "x${host}" = "x${target}" ] ; then
651 case " ${EMULATION_LIBPATH} " in
652 *" ${EMULATION_NAME} "*)
653cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
654 if (gld${EMULATION_NAME}_search_needed (command_line.rpath,
655 l->name, force))
656 break;
657 if (command_line.rpath_link == NULL
658 && command_line.rpath == NULL)
659 {
660 lib_path = (const char *) getenv ("LD_RUN_PATH");
661 if (gld${EMULATION_NAME}_search_needed (lib_path, l->name,
662 force))
663 break;
664 }
04925e1e
AM
665 lib_path = (const char *) getenv ("LD_LIBRARY_PATH");
666 if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force))
667 break;
ec4eb78a
L
668
669 found = 0;
6dd8c765
L
670 rp = bfd_elf_get_runpath_list (output_bfd, &link_info);
671 for (; !found && rp != NULL; rp = rp->next)
ec4eb78a
L
672 {
673 found = (rp->by == l->by
674 && gld${EMULATION_NAME}_search_needed (rp->name,
675 l->name,
676 force));
677 }
678 if (found)
679 break;
680
04925e1e
AM
681EOF
682 ;;
683 esac
684fi
685cat >>e${EMULATION_NAME}.c <<EOF
686 len = strlen (l->name);
687 for (search = search_head; search != NULL; search = search->next)
688 {
689 char *filename;
252b5132 690
04925e1e
AM
691 if (search->cmdline)
692 continue;
693 filename = (char *) xmalloc (strlen (search->name) + len + 2);
694 sprintf (filename, "%s/%s", search->name, l->name);
695 if (gld${EMULATION_NAME}_try_needed (filename, force))
696 break;
697 free (filename);
698 }
699 if (search != NULL)
700 break;
701EOF
702if [ "x${host}" = "x${target}" ] ; then
703 case " ${EMULATION_LIBPATH} " in
704 *" ${EMULATION_NAME} "*)
482e8b32
DB
705 case ${target} in
706 *-*-linux-gnu*)
707 cat >>e${EMULATION_NAME}.c <<EOF
04925e1e
AM
708 if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force))
709 break;
710EOF
482e8b32
DB
711 # Linux
712 ;;
713 esac
04925e1e
AM
714 ;;
715 esac
716fi
717cat >>e${EMULATION_NAME}.c <<EOF
718 }
252b5132 719
04925e1e
AM
720 if (force < 2)
721 continue;
252b5132 722
e374f1d9 723 einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n",
04925e1e
AM
724 l->name, l->by);
725 }
726}
252b5132 727
41392f03
AM
728EOF
729fi
730
731cat >>e${EMULATION_NAME}.c <<EOF
252b5132 732
04925e1e 733/* Look through an expression for an assignment statement. */
252b5132 734
04925e1e
AM
735static void
736gld${EMULATION_NAME}_find_exp_assignment (exp)
737 etree_type *exp;
738{
739 struct bfd_link_hash_entry *h;
740
741 switch (exp->type.node_class)
252b5132 742 {
04925e1e
AM
743 case etree_provide:
744 h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
745 false, false, false);
746 if (h == NULL)
747 break;
252b5132 748
04925e1e
AM
749 /* We call record_link_assignment even if the symbol is defined.
750 This is because if it is defined by a dynamic object, we
751 actually want to use the value defined by the linker script,
752 not the value from the dynamic object (because we are setting
753 symbols like etext). If the symbol is defined by a regular
754 object, then, as it happens, calling record_link_assignment
755 will do no harm. */
756
757 /* Fall through. */
758 case etree_assign:
759 if (strcmp (exp->assign.dst, ".") != 0)
252b5132 760 {
04925e1e
AM
761 if (! (bfd_elf${ELFSIZE}_record_link_assignment
762 (output_bfd, &link_info, exp->assign.dst,
763 exp->type.node_class == etree_provide ? true : false)))
764 einfo ("%P%F: failed to record assignment to %s: %E\n",
765 exp->assign.dst);
252b5132 766 }
04925e1e
AM
767 gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src);
768 break;
252b5132 769
04925e1e
AM
770 case etree_binary:
771 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs);
772 gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs);
773 break;
252b5132 774
04925e1e
AM
775 case etree_trinary:
776 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond);
777 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs);
778 gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs);
779 break;
252b5132 780
04925e1e
AM
781 case etree_unary:
782 gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child);
783 break;
252b5132 784
04925e1e
AM
785 default:
786 break;
252b5132
RH
787 }
788}
789
04925e1e
AM
790
791/* This is called by the before_allocation routine via
792 lang_for_each_statement. It locates any assignment statements, and
793 tells the ELF backend about them, in case they are assignments to
794 symbols which are referred to by dynamic objects. */
795
796static void
797gld${EMULATION_NAME}_find_statement_assignment (s)
798 lang_statement_union_type *s;
799{
800 if (s->header.type == lang_assignment_statement_enum)
801 gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp);
802}
803
41392f03
AM
804EOF
805
806if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
807cat >>e${EMULATION_NAME}.c <<EOF
04925e1e 808
252b5132
RH
809/* This is called after the sections have been attached to output
810 sections, but before any sizes or addresses have been set. */
811
812static void
813gld${EMULATION_NAME}_before_allocation ()
814{
815 const char *rpath;
816 asection *sinterp;
817
818 /* If we are going to make any variable assignments, we need to let
819 the ELF backend know about them in case the variables are
820 referred to by dynamic objects. */
821 lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
822
823 /* Let the ELF backend work out the sizes of any sections required
824 by dynamic linking. */
825 rpath = command_line.rpath;
826 if (rpath == NULL)
827 rpath = (const char *) getenv ("LD_RUN_PATH");
828 if (! (bfd_elf${ELFSIZE}_size_dynamic_sections
829 (output_bfd, command_line.soname, rpath,
830 command_line.export_dynamic, command_line.filter_shlib,
831 (const char * const *) command_line.auxiliary_filters,
832 &link_info, &sinterp, lang_elf_version_info)))
833 einfo ("%P%F: failed to set dynamic section sizes: %E\n");
834
835 /* Let the user override the dynamic linker we are using. */
836 if (command_line.interpreter != NULL
837 && sinterp != NULL)
838 {
839 sinterp->contents = (bfd_byte *) command_line.interpreter;
840 sinterp->_raw_size = strlen (command_line.interpreter) + 1;
841 }
842
843 /* Look for any sections named .gnu.warning. As a GNU extensions,
844 we treat such sections as containing warning messages. We print
845 out the warning message, and then zero out the section size so
846 that it does not get copied into the output file. */
847
848 {
849 LANG_FOR_EACH_INPUT_STATEMENT (is)
850 {
851 asection *s;
852 bfd_size_type sz;
853 char *msg;
854 boolean ret;
855
856 if (is->just_syms_flag)
857 continue;
858
859 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
860 if (s == NULL)
861 continue;
862
863 sz = bfd_section_size (is->the_bfd, s);
864 msg = xmalloc ((size_t) sz + 1);
865 if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz))
866 einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n",
867 is->the_bfd);
868 msg[sz] = '\0';
869 ret = link_info.callbacks->warning (&link_info, msg,
870 (const char *) NULL,
871 is->the_bfd, (asection *) NULL,
872 (bfd_vma) 0);
873 ASSERT (ret);
874 free (msg);
875
876 /* Clobber the section size, so that we don't waste copying the
877 warning into the output file. */
878 s->_raw_size = 0;
879 }
880 }
881}
882
41392f03
AM
883EOF
884fi
885
886if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then
887cat >>e${EMULATION_NAME}.c <<EOF
252b5132 888
04925e1e
AM
889/* Try to open a dynamic archive. This is where we know that ELF
890 dynamic libraries have an extension of .so (or .sl on oddball systems
891 like hpux). */
892
893static boolean
894gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
895 const char *arch;
896 search_dirs_type *search;
897 lang_input_statement_type *entry;
252b5132 898{
04925e1e
AM
899 const char *filename;
900 char *string;
252b5132 901
04925e1e
AM
902 if (! entry->is_archive)
903 return false;
252b5132 904
04925e1e 905 filename = entry->filename;
252b5132 906
04925e1e
AM
907 /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION
908 is defined, but it does not seem worth the headache to optimize
909 away those two bytes of space. */
910 string = (char *) xmalloc (strlen (search->name)
911 + strlen (filename)
912 + strlen (arch)
913#ifdef EXTRA_SHLIB_EXTENSION
914 + strlen (EXTRA_SHLIB_EXTENSION)
915#endif
916 + sizeof "/lib.so");
917
918 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
919
920#ifdef EXTRA_SHLIB_EXTENSION
921 /* Try the .so extension first. If that fails build a new filename
922 using EXTRA_SHLIB_EXTENSION. */
923 if (! ldfile_try_open_bfd (string, entry))
924 sprintf (string, "%s/lib%s%s%s", search->name,
925 filename, arch, EXTRA_SHLIB_EXTENSION);
926#endif
927
928 if (! ldfile_try_open_bfd (string, entry))
252b5132 929 {
04925e1e
AM
930 free (string);
931 return false;
932 }
252b5132 933
04925e1e 934 entry->filename = string;
252b5132 935
04925e1e
AM
936 /* We have found a dynamic object to include in the link. The ELF
937 backend linker will create a DT_NEEDED entry in the .dynamic
938 section naming this file. If this file includes a DT_SONAME
939 entry, it will be used. Otherwise, the ELF linker will just use
940 the name of the file. For an archive found by searching, like
941 this one, the DT_NEEDED entry should consist of just the name of
942 the file, without the path information used to find it. Note
943 that we only need to do this if we have a dynamic object; an
944 archive will never be referenced by a DT_NEEDED entry.
252b5132 945
04925e1e
AM
946 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
947 very pretty. I haven't been able to think of anything that is
948 pretty, though. */
949 if (bfd_check_format (entry->the_bfd, bfd_object)
950 && (entry->the_bfd->flags & DYNAMIC) != 0)
951 {
952 char *needed_name;
252b5132 953
04925e1e 954 ASSERT (entry->is_archive && entry->search_dirs_flag);
252b5132 955
04925e1e
AM
956 /* Rather than duplicating the logic above. Just use the
957 filename we recorded earlier.
252b5132 958
04925e1e
AM
959 First strip off everything before the last '/'. */
960 filename = strrchr (entry->filename, '/');
961 filename++;
962
963 needed_name = (char *) xmalloc (strlen (filename) + 1);
964 strcpy (needed_name, filename);
965 bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name);
966 }
967
968 return true;
969}
970
41392f03
AM
971EOF
972fi
973cat >>e${EMULATION_NAME}.c <<EOF
974
975/* A variant of lang_output_section_find. Used by place_orphan. */
04925e1e 976
04925e1e
AM
977static lang_output_section_statement_type *
978output_rel_find ()
979{
980 lang_statement_union_type *u;
981 lang_output_section_statement_type *lookup;
982
983 for (u = lang_output_section_statement.head;
984 u != (lang_statement_union_type *) NULL;
985 u = lookup->next)
986 {
987 lookup = &u->output_section_statement;
988 if (strncmp (".rel", lookup->name, 4) == 0
989 && lookup->bfd_section != NULL
990 && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
991 {
992 return lookup;
993 }
252b5132 994 }
04925e1e 995 return (lang_output_section_statement_type *) NULL;
252b5132
RH
996}
997
41392f03
AM
998EOF
999
1000if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then
1001cat >>e${EMULATION_NAME}.c <<EOF
04925e1e 1002
252b5132
RH
1003/* Place an orphan section. We use this to put random SHF_ALLOC
1004 sections in the right segment. */
1005
41392f03 1006struct orphan_save {
6a345e87 1007 lang_output_section_statement_type *os;
5ba47421 1008 asection **section;
6a345e87
AM
1009 lang_statement_union_type **stmt;
1010};
252b5132 1011
252b5132
RH
1012static boolean
1013gld${EMULATION_NAME}_place_orphan (file, s)
1014 lang_input_statement_type *file;
1015 asection *s;
1016{
aea4bd9d
AM
1017 static struct orphan_save hold_text;
1018 static struct orphan_save hold_rodata;
1019 static struct orphan_save hold_data;
1020 static struct orphan_save hold_bss;
1021 static struct orphan_save hold_rel;
1022 static struct orphan_save hold_interp;
c940e6fc 1023 static struct orphan_save hold_sdata;
f9989030 1024 static int count = 1;
6a345e87 1025 struct orphan_save *place;
71bfc0ae 1026 lang_statement_list_type *old;
252b5132
RH
1027 lang_statement_list_type add;
1028 etree_type *address;
a854a4a7 1029 const char *secname;
252b5132 1030 const char *outsecname;
a854a4a7 1031 const char *ps = NULL;
252b5132
RH
1032 lang_output_section_statement_type *os;
1033
aea4bd9d
AM
1034 secname = bfd_get_section_name (s->owner, s);
1035
577a0623 1036 if (! config.unique_orphan_sections && ! unique_section_p (secname))
252b5132 1037 {
6d02a667 1038 /* Look through the script to see where to place this section. */
a854a4a7
AM
1039 os = lang_output_section_find (secname);
1040
1041 if (os != NULL
1042 && os->bfd_section != NULL
1043 && ((s->flags ^ os->bfd_section->flags)
1044 & (SEC_LOAD | SEC_ALLOC)) == 0)
1045 {
1046 /* We have already placed a section with this name. */
1047 wild_doit (&os->children, s, os, file);
1048 return true;
1049 }
252b5132
RH
1050 }
1051
aea4bd9d
AM
1052 if (hold_text.os == NULL)
1053 hold_text.os = lang_output_section_find (".text");
252b5132
RH
1054
1055 /* If this is a final link, then always put .gnu.warning.SYMBOL
1056 sections into the .text section to get them out of the way. */
1057 if (! link_info.shared
1058 && ! link_info.relocateable
1059 && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
6a345e87 1060 && hold_text.os != NULL)
252b5132 1061 {
6a345e87 1062 wild_doit (&hold_text.os->children, s, hold_text.os, file);
252b5132
RH
1063 return true;
1064 }
1065
1066 /* Decide which segment the section should go in based on the
1067 section name and section flags. We put loadable .note sections
1068 right after the .interp section, so that the PT_NOTE segment is
1069 stored right after the program headers where the OS can read it
1070 in the first page. */
aea4bd9d
AM
1071#define HAVE_SECTION(hold, name) \
1072(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
1073
252b5132
RH
1074 if (s->flags & SEC_EXCLUDE)
1075 return false;
71bfc0ae
AM
1076
1077 place = NULL;
1078 if ((s->flags & SEC_ALLOC) == 0)
1079 ;
252b5132 1080 else if ((s->flags & SEC_LOAD) != 0
577a0623 1081 && strncmp (secname, ".note", 5) == 0
aea4bd9d 1082 && HAVE_SECTION (hold_interp, ".interp"))
6a345e87 1083 place = &hold_interp;
252b5132 1084 else if ((s->flags & SEC_HAS_CONTENTS) == 0
aea4bd9d 1085 && HAVE_SECTION (hold_bss, ".bss"))
6a345e87 1086 place = &hold_bss;
c940e6fc
JW
1087 else if ((s->flags & SEC_SMALL_DATA) != 0
1088 && HAVE_SECTION (hold_sdata, ".sdata"))
1089 place = &hold_sdata;
252b5132 1090 else if ((s->flags & SEC_READONLY) == 0
aea4bd9d 1091 && HAVE_SECTION (hold_data, ".data"))
6a345e87 1092 place = &hold_data;
252b5132 1093 else if (strncmp (secname, ".rel", 4) == 0
aea4bd9d
AM
1094 && (hold_rel.os != NULL
1095 || (hold_rel.os = output_rel_find ()) != NULL))
6a345e87 1096 place = &hold_rel;
71bfc0ae 1097 else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY
aea4bd9d 1098 && HAVE_SECTION (hold_rodata, ".rodata"))
6a345e87 1099 place = &hold_rodata;
71bfc0ae 1100 else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY)
6a345e87
AM
1101 && hold_text.os != NULL)
1102 place = &hold_text;
252b5132 1103
aea4bd9d
AM
1104#undef HAVE_SECTION
1105
252b5132
RH
1106 /* Choose a unique name for the section. This will be needed if the
1107 same section name appears in the input file with different
f813923c 1108 loadable or allocatable characteristics. */
252b5132
RH
1109 outsecname = secname;
1110 if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
b3ea3584
AM
1111 {
1112 outsecname = bfd_get_unique_section_name (output_bfd,
1113 outsecname,
1114 &count);
1115 if (outsecname == NULL)
1116 einfo ("%F%P: place_orphan failed: %E\n");
1117 }
252b5132 1118
71bfc0ae
AM
1119 /* Start building a list of statements for this section.
1120 First save the current statement pointer. */
1121 old = stat_ptr;
1122
1123 /* If we have found an appropriate place for the output section
1124 statements for this orphan, add them to our own private list,
1125 inserting them later into the global statement list. */
5ba47421 1126 if (place != NULL)
252b5132 1127 {
5ba47421
AM
1128 stat_ptr = &add;
1129 lang_list_init (stat_ptr);
71bfc0ae 1130 }
5ba47421 1131
71bfc0ae
AM
1132 if (config.build_constructors)
1133 {
5ba47421
AM
1134 /* If the name of the section is representable in C, then create
1135 symbols to mark the start and the end of the section. */
1136 for (ps = outsecname; *ps != '\0'; ps++)
1137 if (! isalnum ((unsigned char) *ps) && *ps != '_')
1138 break;
71bfc0ae 1139 if (*ps == '\0')
5ba47421
AM
1140 {
1141 char *symname;
1142 etree_type *e_align;
1143
1144 symname = (char *) xmalloc (ps - outsecname + sizeof "__start_");
1145 sprintf (symname, "__start_%s", outsecname);
1146 e_align = exp_unop (ALIGN_K,
1147 exp_intop ((bfd_vma) 1 << s->alignment_power));
1148 lang_add_assignment (exp_assop ('=', symname, e_align));
1149 }
252b5132
RH
1150 }
1151
01cc8ff8 1152 if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
252b5132 1153 address = exp_intop ((bfd_vma) 0);
01cc8ff8
AM
1154 else
1155 address = NULL;
252b5132 1156
aea4bd9d
AM
1157 os = lang_enter_output_section_statement (outsecname, address, 0,
1158 (bfd_vma) 0,
1159 (etree_type *) NULL,
1160 (etree_type *) NULL,
1161 (etree_type *) NULL);
252b5132 1162
252b5132
RH
1163 wild_doit (&os->children, s, os, file);
1164
20d04697
L
1165 lang_leave_output_section_statement
1166 ((bfd_vma) 0, "*default*",
1167 (struct lang_output_section_phdr_list *) NULL, "*default*");
1168
71bfc0ae 1169 if (config.build_constructors && *ps == '\0')
252b5132 1170 {
71bfc0ae 1171 char *symname;
252b5132 1172
71bfc0ae
AM
1173 /* lang_leave_ouput_section_statement resets stat_ptr. Put
1174 stat_ptr back where we want it. */
1175 if (place != NULL)
1176 stat_ptr = &add;
252b5132 1177
71bfc0ae
AM
1178 symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_");
1179 sprintf (symname, "__stop_%s", outsecname);
1180 lang_add_assignment (exp_assop ('=', symname,
1181 exp_nameop (NAME, ".")));
1182 }
5ba47421 1183
71bfc0ae
AM
1184 /* Restore the global list pointer. */
1185 stat_ptr = old;
1186
1187 if (place != NULL)
1188 {
1189 asection *snew, **pps;
5ba47421
AM
1190
1191 snew = os->bfd_section;
f9989030
AM
1192 if (place->section != NULL
1193 || (place->os->bfd_section != NULL
1194 && place->os->bfd_section != snew))
5ba47421 1195 {
71bfc0ae
AM
1196 /* Shuffle the section to make the output file look neater.
1197 This is really only cosmetic. */
5ba47421
AM
1198 if (place->section == NULL)
1199 {
1200#if 0
1201 /* Finding the end of the list is a little tricky. We
1202 make a wild stab at it by comparing section flags. */
1203 flagword first_flags = place->os->bfd_section->flags;
1204 for (pps = &place->os->bfd_section->next;
1205 *pps != NULL && (*pps)->flags == first_flags;
1206 pps = &(*pps)->next)
1207 ;
1208 place->section = pps;
1209#else
1210 /* Put orphans after the first section on the list. */
1211 place->section = &place->os->bfd_section->next;
1212#endif
1213 }
1214
1215 /* Unlink the section. */
1216 for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
1217 ;
1218 *pps = snew->next;
1219
1220 /* Now tack it on to the "place->os" section list. */
1221 snew->next = *place->section;
1222 *place->section = snew;
1223 }
1224 place->section = &snew->next; /* Save the end of this list. */
1225
ed15ac6a 1226 if (add.head != NULL)
01cc8ff8 1227 {
ed15ac6a
AM
1228 /* We try to put the output statements in some sort of
1229 reasonable order here, because they determine the final
1230 load addresses of the orphan sections. */
1231 if (place->stmt == NULL)
1232 {
1233 /* Put the new statement list right at the head. */
1234 *add.tail = place->os->header.next;
1235 place->os->header.next = add.head;
1236 }
1237 else
1238 {
1239 /* Put it after the last orphan statement we added. */
1240 *add.tail = *place->stmt;
1241 *place->stmt = add.head;
1242 }
71bfc0ae 1243
ed15ac6a
AM
1244 /* Fix the global list pointer if we happened to tack our
1245 new list at the tail. */
1246 if (*old->tail == add.head)
1247 old->tail = add.tail;
71bfc0ae 1248
ed15ac6a
AM
1249 /* Save the end of this list. */
1250 place->stmt = add.tail;
1251 }
6a345e87 1252 }
252b5132
RH
1253
1254 return true;
1255}
1256
41392f03
AM
1257EOF
1258fi
1259
1260if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
1261cat >>e${EMULATION_NAME}.c <<EOF
252b5132
RH
1262
1263static char *
41392f03 1264gld${EMULATION_NAME}_get_script (isfile)
252b5132
RH
1265 int *isfile;
1266EOF
1267
1268if test -n "$COMPILE_IN"
1269then
1270# Scripts compiled in.
1271
1272# sed commands to quote an ld script as a C string.
597e2591 1273sc="-f stringify.sed"
252b5132
RH
1274
1275cat >>e${EMULATION_NAME}.c <<EOF
60bcf0fa 1276{
252b5132
RH
1277 *isfile = 0;
1278
1279 if (link_info.relocateable == true && config.build_constructors == true)
597e2591 1280 return
252b5132 1281EOF
597e2591
ILT
1282sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
1283echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
1284sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
1285echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
1286sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
1287echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
1288sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
252b5132
RH
1289
1290if test -n "$GENERATE_SHLIB_SCRIPT" ; then
597e2591
ILT
1291echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
1292sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
252b5132
RH
1293fi
1294
597e2591
ILT
1295echo ' ; else return' >> e${EMULATION_NAME}.c
1296sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
1297echo '; }' >> e${EMULATION_NAME}.c
252b5132
RH
1298
1299else
1300# Scripts read from the filesystem.
1301
1302cat >>e${EMULATION_NAME}.c <<EOF
60bcf0fa 1303{
252b5132
RH
1304 *isfile = 1;
1305
1306 if (link_info.relocateable == true && config.build_constructors == true)
1307 return "ldscripts/${EMULATION_NAME}.xu";
1308 else if (link_info.relocateable == true)
1309 return "ldscripts/${EMULATION_NAME}.xr";
1310 else if (!config.text_read_only)
1311 return "ldscripts/${EMULATION_NAME}.xbn";
1312 else if (!config.magic_demand_paged)
1313 return "ldscripts/${EMULATION_NAME}.xn";
1314 else if (link_info.shared)
1315 return "ldscripts/${EMULATION_NAME}.xs";
1316 else
1317 return "ldscripts/${EMULATION_NAME}.x";
1318}
252b5132 1319
3b108066 1320EOF
41392f03
AM
1321fi
1322fi
3b108066 1323
41392f03 1324if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then
3b108066 1325
4b209b22 1326if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then
3b108066 1327
e0ee487b
L
1328if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
1329cat >>e${EMULATION_NAME}.c <<EOF
1330 $PARSE_AND_LIST_PROLOGUE
1331EOF
1332fi
1333
e0ee487b
L
1334cat >>e${EMULATION_NAME}.c <<EOF
1335
1336#include "getopt.h"
1337
6c1439be
L
1338#define OPTION_DISABLE_NEW_DTAGS (400)
1339#define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1)
a1ab1d2a 1340#define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1)
6c1439be 1341
e0ee487b
L
1342static struct option longopts[] =
1343{
1344EOF
e0ee487b
L
1345
1346if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
1347cat >>e${EMULATION_NAME}.c <<EOF
699845ef
L
1348 /* getopt allows abbreviations, so we do this to stop it from
1349 treating -d/-e as abbreviations for these options. */
6c1439be 1350 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
699845ef
L
1351 {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
1352 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
6c1439be 1353 {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
a1ab1d2a
UD
1354 {"Bgroup", no_argument, NULL, OPTION_GROUP},
1355 {"Bgroup", no_argument, NULL, OPTION_GROUP},
e0ee487b
L
1356EOF
1357fi
1358
1359if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
1360cat >>e${EMULATION_NAME}.c <<EOF
1361 $PARSE_AND_LIST_LONGOPTS
1362EOF
1363fi
1364
e0ee487b
L
1365cat >>e${EMULATION_NAME}.c <<EOF
1366 {NULL, no_argument, NULL, 0}
1367};
1368
04925e1e 1369
4b209b22 1370static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **));
41392f03 1371
e0ee487b 1372static int
4b209b22 1373gld${EMULATION_NAME}_parse_args (argc, argv)
e0ee487b
L
1374 int argc;
1375 char ** argv;
1376{
4b209b22
AM
1377 int longind;
1378 int optc;
1379 static int prevoptind = -1;
e0ee487b
L
1380 int prevopterr = opterr;
1381 int wanterror;
e0ee487b 1382
4b209b22 1383 if (prevoptind != optind)
e0ee487b
L
1384 opterr = 0;
1385
4b209b22
AM
1386 wanterror = opterr;
1387 prevoptind = optind;
1388
41392f03
AM
1389 optc = getopt_long_only (argc, argv,
1390 "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts,
1391 &longind);
e0ee487b
L
1392 opterr = prevopterr;
1393
1394 switch (optc)
1395 {
1396 default:
1397 if (wanterror)
1398 xexit (1);
4b209b22 1399 optind = prevoptind;
e0ee487b 1400 return 0;
6c1439be 1401
e0ee487b 1402EOF
e0ee487b
L
1403
1404if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
1405cat >>e${EMULATION_NAME}.c <<EOF
6c1439be
L
1406 case OPTION_DISABLE_NEW_DTAGS:
1407 link_info.new_dtags = false;
1408 break;
1409
1410 case OPTION_ENABLE_NEW_DTAGS:
1411 link_info.new_dtags = true;
1412 break;
1413
a1ab1d2a
UD
1414 case OPTION_GROUP:
1415 link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
1416 /* Groups must be self-contained. */
1417 link_info.no_undefined = true;
1418 break;
1419
e0ee487b
L
1420 case 'z':
1421 if (strcmp (optarg, "initfirst") == 0)
1422 link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
1423 else if (strcmp (optarg, "interpose") == 0)
1424 link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
1425 else if (strcmp (optarg, "loadfltr") == 0)
1426 link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
1427 else if (strcmp (optarg, "nodefaultlib") == 0)
1428 link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
1429 else if (strcmp (optarg, "nodelete") == 0)
1430 link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
1431 else if (strcmp (optarg, "nodlopen") == 0)
1432 link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
1433 else if (strcmp (optarg, "nodump") == 0)
1434 link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
1435 else if (strcmp (optarg, "now") == 0)
1436 {
1437 link_info.flags |= (bfd_vma) DF_BIND_NOW;
1438 link_info.flags_1 |= (bfd_vma) DF_1_NOW;
1439 }
1440 else if (strcmp (optarg, "origin") == 0)
1441 {
1442 link_info.flags |= (bfd_vma) DF_ORIGIN;
1443 link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
1444 }
a1ab1d2a
UD
1445 else if (strcmp (optarg, "defs") == 0)
1446 link_info.no_undefined = true;
e0ee487b 1447 /* What about the other Solaris -z options? FIXME. */
6c1439be 1448 break;
e0ee487b
L
1449EOF
1450fi
1451
1452if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
1453cat >>e${EMULATION_NAME}.c <<EOF
1454 $PARSE_AND_LIST_ARGS_CASES
1455EOF
1456fi
1457
e0ee487b
L
1458cat >>e${EMULATION_NAME}.c <<EOF
1459 }
1460
1461 return 1;
1462}
1463
41392f03
AM
1464EOF
1465fi
1466
4b209b22 1467if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
41392f03
AM
1468cat >>e${EMULATION_NAME}.c <<EOF
1469
4b209b22 1470static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file));
04925e1e 1471
e0ee487b 1472static void
4b209b22 1473gld${EMULATION_NAME}_list_options (file)
e0ee487b
L
1474 FILE * file;
1475{
1476EOF
e0ee487b
L
1477
1478if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
1479cat >>e${EMULATION_NAME}.c <<EOF
a1ab1d2a 1480 fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n"));
6c1439be
L
1481 fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n"));
1482 fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n"));
a1ab1d2a 1483 fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n"));
f813923c
HPN
1484 fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n"));
1485 fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n"));
e0ee487b
L
1486 fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n"));
1487 fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n"));
1488 fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n"));
f813923c
HPN
1489 fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n"));
1490 fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n"));
e0ee487b
L
1491 fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n"));
1492 fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n"));
1493 fprintf (file, _("\t\t\t at runtime\n"));
19e3be22 1494 fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n"));
e0ee487b
L
1495EOF
1496fi
1497
1498if test -n "$PARSE_AND_LIST_OPTIONS" ; then
1499cat >>e${EMULATION_NAME}.c <<EOF
1500 $PARSE_AND_LIST_OPTIONS
1501EOF
1502fi
1503
e0ee487b
L
1504cat >>e${EMULATION_NAME}.c <<EOF
1505}
1506EOF
e0ee487b
L
1507
1508if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
1509cat >>e${EMULATION_NAME}.c <<EOF
1510 $PARSE_AND_LIST_EPILOGUE
1511EOF
1512fi
41392f03
AM
1513fi
1514else
4b209b22 1515if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then
41392f03 1516cat >>e${EMULATION_NAME}.c <<EOF
4b209b22 1517#define gld${EMULATION_NAME}_parse_args NULL
41392f03
AM
1518EOF
1519fi
4b209b22 1520if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
41392f03 1521cat >>e${EMULATION_NAME}.c <<EOF
4b209b22 1522#define gld${EMULATION_NAME}_list_options NULL
41392f03
AM
1523EOF
1524fi
1525fi
e0ee487b 1526
252b5132
RH
1527cat >>e${EMULATION_NAME}.c <<EOF
1528
60bcf0fa 1529struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
252b5132 1530{
41392f03
AM
1531 ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
1532 ${LDEMUL_SYSLIB-syslib_default},
1533 ${LDEMUL_HLL-hll_default},
1534 ${LDEMUL_AFTER_PARSE-after_parse_default},
1535 ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
1536 ${LDEMUL_AFTER_ALLOCATION-after_allocation_default},
1537 ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
1538 ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
1539 ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
1540 ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
252b5132
RH
1541 "${EMULATION_NAME}",
1542 "${OUTPUT_FORMAT}",
41392f03
AM
1543 ${LDEMUL_FINISH-NULL},
1544 ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
1545 ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
1546 ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
1547 ${LDEMUL_SET_SYMBOLS-NULL},
4b209b22 1548 ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args},
41392f03 1549 ${LDEMUL_UNRECOGNIZED_FILE-NULL},
4b209b22 1550 ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options},
41392f03
AM
1551 ${LDEMUL_RECOGNIZED_FILE-NULL},
1552 ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
252b5132
RH
1553};
1554EOF
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