Commit | Line | Data |
---|---|---|
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. | |
5 | test -z "${ELFSIZE}" && ELFSIZE=32 | |
86af25fe L |
6 | if [ -z "$MACHINE" ]; then |
7 | OUTPUT_ARCH=${ARCH} | |
8 | else | |
9 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
10 | fi | |
92b93329 | 11 | fragment <<EOF |
252b5132 RH |
12 | /* This file is is generated by a shell script. DO NOT EDIT! */ |
13 | ||
14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} | |
b90efa5b | 15 | Copyright (C) 1991-2015 Free Software Foundation, Inc. |
252b5132 RH |
16 | Written by Steve Chamberlain <sac@cygnus.com> |
17 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
18 | ||
f96b4a7b NC |
19 | This file is part of the GNU Binutils. |
20 | ||
21 | This program is free software; you can redistribute it and/or modify | |
22 | it under the terms of the GNU General Public License as published by | |
23 | the Free Software Foundation; either version 3 of the License, or | |
24 | (at your option) any later version. | |
25 | ||
26 | This program is distributed in the hope that it will be useful, | |
27 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
28 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
29 | GNU General Public License for more details. | |
30 | ||
31 | You should have received a copy of the GNU General Public License | |
32 | along with this program; if not, write to the Free Software | |
33 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
34 | MA 02110-1301, USA. */ | |
252b5132 RH |
35 | |
36 | #define TARGET_IS_${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. */ |
62 | static void gld${EMULATION_NAME}_before_parse (void); | |
63 | static void gld${EMULATION_NAME}_after_open (void); | |
64 | static void gld${EMULATION_NAME}_before_allocation (void); | |
eaeb0a9d | 65 | static void gld${EMULATION_NAME}_after_allocation (void); |
c2edb4b8 | 66 | static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan |
8a99a385 | 67 | (asection *, const char *, int); |
41392f03 AM |
68 | EOF |
69 | ||
d3989512 JJ |
70 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
71 | case ${target} in | |
a5244b7e | 72 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 73 | fragment <<EOF |
0b48acfe | 74 | #ifdef HAVE_GLOB |
d3989512 | 75 | #include <glob.h> |
0b48acfe | 76 | #endif |
d3989512 JJ |
77 | EOF |
78 | ;; | |
79 | esac | |
80 | fi | |
81 | ||
41392f03 AM |
82 | # Import any needed special functions and/or overrides. |
83 | # | |
92b93329 | 84 | source_em ${srcdir}/emultempl/elf-generic.em |
41392f03 | 85 | if test -n "$EXTRA_EM_FILE" ; then |
92b93329 | 86 | source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em |
41392f03 AM |
87 | fi |
88 | ||
f813923c | 89 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
90 | # variables. If the name of the overriding function is the same as is |
91 | # defined in this file, then don't output this file's version. | |
92 | # If a different overriding name is given then output the standard function | |
93 | # as presumably it is called from the overriding function. | |
94 | # | |
95 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
92b93329 | 96 | fragment <<EOF |
41392f03 | 97 | |
252b5132 | 98 | static void |
0c7a8e5a | 99 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 100 | { |
5e2f1575 | 101 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
66be1055 | 102 | input_flags.dynamic = ${DYNAMIC_LINK-TRUE}; |
b34976b6 | 103 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; |
4724d37e | 104 | config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`; |
663fa543 L |
105 | } |
106 | ||
822b8bf4 | 107 | EOF |
663fa543 | 108 | fi |
822b8bf4 | 109 | |
4a43e768 | 110 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
92b93329 | 111 | fragment <<EOF |
ddbb8a31 | 112 | /* Handle the generation of DT_NEEDED tags. */ |
4a43e768 AM |
113 | |
114 | static bfd_boolean | |
115 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
116 | { | |
96d56e9f | 117 | int link_class = 0; |
4a43e768 AM |
118 | |
119 | /* Tell the ELF linker that we don't want the output file to have a | |
120 | DT_NEEDED entry for this file, unless it is used to resolve | |
121 | references in a regular object. */ | |
66be1055 | 122 | if (entry->flags.add_DT_NEEDED_for_regular) |
96d56e9f | 123 | link_class = DYN_AS_NEEDED; |
e56f61be L |
124 | |
125 | /* Tell the ELF linker that we don't want the output file to have a | |
126 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
127 | this file at all. */ | |
66be1055 | 128 | if (!entry->flags.add_DT_NEEDED_for_dynamic) |
96d56e9f | 129 | link_class |= DYN_NO_ADD_NEEDED; |
e56f61be | 130 | |
66be1055 | 131 | if (entry->flags.just_syms |
12b9ff6c L |
132 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) |
133 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
134 | entry->the_bfd); | |
135 | ||
ddbb8a31 | 136 | if (link_class == 0 |
e56f61be L |
137 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) |
138 | return FALSE; | |
139 | ||
1e9cc1c2 | 140 | bfd_elf_set_dyn_lib_class (entry->the_bfd, |
4724d37e | 141 | (enum dynamic_lib_link_class) link_class); |
4a43e768 AM |
142 | |
143 | /* Continue on with normal load_symbols processing. */ | |
144 | return FALSE; | |
145 | } | |
146 | EOF | |
147 | fi | |
148 | ||
92b93329 | 149 | fragment <<EOF |
252b5132 RH |
150 | |
151 | /* These variables are required to pass information back and forth | |
152 | between after_open and check_needed and stat_needed and vercheck. */ | |
153 | ||
154 | static struct bfd_link_needed_list *global_needed; | |
155 | static struct stat global_stat; | |
e13629bc | 156 | static lang_input_statement_type *global_found; |
252b5132 | 157 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 158 | static bfd_boolean global_vercheck_failed; |
252b5132 | 159 | |
7ee314fa AM |
160 | /* These variables are used to implement target options */ |
161 | ||
162 | static char *audit; /* colon (typically) separated list of libs */ | |
163 | static char *depaudit; /* colon (typically) separated list of libs */ | |
252b5132 | 164 | |
30e8ee25 AM |
165 | /* Style of .note.gnu.build-id section. */ |
166 | static const char *emit_note_gnu_build_id; | |
167 | ||
04925e1e AM |
168 | /* On Linux, it's possible to have different versions of the same |
169 | shared library linked against different versions of libc. The | |
170 | dynamic linker somehow tags which libc version to use in | |
171 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
172 | executable, chooses which version of the shared library to use. | |
252b5132 | 173 | |
04925e1e AM |
174 | We try to do a similar check here by checking whether this shared |
175 | library needs any other shared libraries which may conflict with | |
176 | libraries we have already included in the link. If it does, we | |
177 | skip it, and try to find another shared library farther on down the | |
178 | link path. | |
252b5132 | 179 | |
04925e1e AM |
180 | This is called via lang_for_each_input_file. |
181 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 182 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 183 | a conflicting version. */ |
252b5132 | 184 | |
04925e1e | 185 | static void |
0c7a8e5a | 186 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 187 | { |
1c9acd94 | 188 | const char *soname; |
04925e1e | 189 | struct bfd_link_needed_list *l; |
252b5132 | 190 | |
04925e1e AM |
191 | if (global_vercheck_failed) |
192 | return; | |
193 | if (s->the_bfd == NULL | |
194 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
195 | return; | |
252b5132 | 196 | |
04925e1e AM |
197 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
198 | if (soname == NULL) | |
fed2999d | 199 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
200 | |
201 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
202 | { | |
203 | const char *suffix; | |
204 | ||
42627821 | 205 | if (filename_cmp (soname, l->name) == 0) |
04925e1e AM |
206 | { |
207 | /* Probably can't happen, but it's an easy check. */ | |
208 | continue; | |
252b5132 RH |
209 | } |
210 | ||
04925e1e | 211 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
212 | continue; |
213 | ||
04925e1e AM |
214 | suffix = strstr (l->name, ".so."); |
215 | if (suffix == NULL) | |
216 | continue; | |
217 | ||
218 | suffix += sizeof ".so." - 1; | |
219 | ||
42627821 | 220 | if (filename_ncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
221 | { |
222 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
223 | the object we are considering needs a dynamic object |
224 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
225 | appears to be a version mismatch, so we tell the caller | |
226 | to try a different version of this library. */ | |
b34976b6 | 227 | global_vercheck_failed = TRUE; |
04925e1e AM |
228 | return; |
229 | } | |
252b5132 RH |
230 | } |
231 | } | |
232 | ||
252b5132 | 233 | |
04925e1e AM |
234 | /* See if an input file matches a DT_NEEDED entry by running stat on |
235 | the file. */ | |
236 | ||
237 | static void | |
0c7a8e5a | 238 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 239 | { |
04925e1e AM |
240 | struct stat st; |
241 | const char *suffix; | |
242 | const char *soname; | |
252b5132 | 243 | |
e13629bc | 244 | if (global_found != NULL) |
04925e1e AM |
245 | return; |
246 | if (s->the_bfd == NULL) | |
247 | return; | |
e13629bc AM |
248 | |
249 | /* If this input file was an as-needed entry, and wasn't found to be | |
250 | needed at the stage it was linked, then don't say we have loaded it. */ | |
251 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 252 | return; |
04925e1e AM |
253 | |
254 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 255 | { |
04925e1e AM |
256 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
257 | return; | |
258 | } | |
252b5132 | 259 | |
9eabd475 ZW |
260 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
261 | st_ino; they always set it to zero. (Windows does provide a | |
262 | meaningful st_dev.) Do not indicate a duplicate library in that | |
263 | case. While there is no guarantee that a system that provides | |
264 | meaningful inode numbers will never set st_ino to zero, this is | |
265 | merely an optimization, so we do not need to worry about false | |
266 | negatives. */ | |
04925e1e | 267 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
268 | && st.st_ino == global_stat.st_ino |
269 | && st.st_ino != 0) | |
04925e1e | 270 | { |
e13629bc | 271 | global_found = s; |
04925e1e AM |
272 | return; |
273 | } | |
252b5132 | 274 | |
04925e1e AM |
275 | /* We issue a warning if it looks like we are including two |
276 | different versions of the same shared library. For example, | |
277 | there may be a problem if -lc picks up libc.so.6 but some other | |
278 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 279 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
280 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
281 | If we really want to issue warnings about mixing version numbers | |
282 | of shared libraries, we need to find a better way. */ | |
252b5132 | 283 | |
04925e1e AM |
284 | if (strchr (global_needed->name, '/') != NULL) |
285 | return; | |
286 | suffix = strstr (global_needed->name, ".so."); | |
287 | if (suffix == NULL) | |
288 | return; | |
289 | suffix += sizeof ".so." - 1; | |
252b5132 | 290 | |
04925e1e AM |
291 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
292 | if (soname == NULL) | |
fed2999d | 293 | soname = lbasename (s->filename); |
252b5132 | 294 | |
42627821 | 295 | if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 296 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 297 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
298 | } |
299 | ||
e56f61be L |
300 | struct dt_needed |
301 | { | |
302 | bfd *by; | |
303 | const char *name; | |
304 | }; | |
04925e1e | 305 | |
252b5132 RH |
306 | /* This function is called for each possible name for a dynamic object |
307 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
308 | to skip the check for a conflicting version. */ | |
309 | ||
b34976b6 | 310 | static bfd_boolean |
e56f61be L |
311 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
312 | int force) | |
252b5132 RH |
313 | { |
314 | bfd *abfd; | |
e56f61be | 315 | const char *name = needed->name; |
ec4eb78a | 316 | const char *soname; |
96d56e9f | 317 | int link_class; |
252b5132 | 318 | |
f13a99db | 319 | abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd)); |
252b5132 | 320 | if (abfd == NULL) |
b34976b6 | 321 | return FALSE; |
4a114e3e L |
322 | |
323 | /* Linker needs to decompress sections. */ | |
324 | abfd->flags |= BFD_DECOMPRESS; | |
325 | ||
252b5132 RH |
326 | if (! bfd_check_format (abfd, bfd_object)) |
327 | { | |
cde43e70 | 328 | bfd_close (abfd); |
b34976b6 | 329 | return FALSE; |
252b5132 RH |
330 | } |
331 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
332 | { | |
cde43e70 | 333 | bfd_close (abfd); |
b34976b6 | 334 | return FALSE; |
252b5132 RH |
335 | } |
336 | ||
c4bb8067 | 337 | /* For DT_NEEDED, they have to match. */ |
f13a99db | 338 | if (abfd->xvec != link_info.output_bfd->xvec) |
c4bb8067 L |
339 | { |
340 | bfd_close (abfd); | |
b34976b6 | 341 | return FALSE; |
c4bb8067 L |
342 | } |
343 | ||
252b5132 RH |
344 | /* Check whether this object would include any conflicting library |
345 | versions. If FORCE is set, then we skip this check; we use this | |
346 | the second time around, if we couldn't find any compatible | |
347 | instance of the shared library. */ | |
348 | ||
349 | if (! force) | |
350 | { | |
91d6fa6a | 351 | struct bfd_link_needed_list *needs; |
252b5132 | 352 | |
91d6fa6a | 353 | if (! bfd_elf_get_bfd_needed_list (abfd, &needs)) |
252b5132 RH |
354 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); |
355 | ||
91d6fa6a | 356 | if (needs != NULL) |
252b5132 | 357 | { |
91d6fa6a | 358 | global_vercheck_needed = needs; |
b34976b6 | 359 | global_vercheck_failed = FALSE; |
252b5132 RH |
360 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
361 | if (global_vercheck_failed) | |
362 | { | |
cde43e70 | 363 | bfd_close (abfd); |
b34976b6 | 364 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 365 | another file on the search path. */ |
b34976b6 | 366 | return FALSE; |
252b5132 RH |
367 | } |
368 | ||
369 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
370 | library does not use libc at all, we are supposed to skip |
371 | it the first time around in case we encounter a shared | |
372 | library later on with the same name which does use the | |
373 | version of libc that we want. This is much too horrible | |
374 | to use on any system other than Linux. */ | |
252b5132 RH |
375 | |
376 | EOF | |
377 | case ${target} in | |
a5244b7e | 378 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 379 | fragment <<EOF |
252b5132 RH |
380 | { |
381 | struct bfd_link_needed_list *l; | |
382 | ||
91d6fa6a | 383 | for (l = needs; l != NULL; l = l->next) |
0112cd26 | 384 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
385 | break; |
386 | if (l == NULL) | |
387 | { | |
cde43e70 | 388 | bfd_close (abfd); |
b34976b6 | 389 | return FALSE; |
252b5132 RH |
390 | } |
391 | } | |
392 | ||
393 | EOF | |
394 | ;; | |
395 | esac | |
92b93329 | 396 | fragment <<EOF |
252b5132 RH |
397 | } |
398 | } | |
399 | ||
400 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
401 | ||
04925e1e AM |
402 | /* We have already checked that there is no other input file of the |
403 | same name. We must now check again that we are not including the | |
404 | same file twice. We need to do this because on many systems | |
405 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
406 | reference libc.so.1. If we have already included libc.so, we | |
407 | don't want to include libc.so.1 if they are the same file, and we | |
408 | can only check that using stat. */ | |
409 | ||
410 | if (bfd_stat (abfd, &global_stat) != 0) | |
411 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
412 | |
413 | /* First strip off everything before the last '/'. */ | |
fed2999d | 414 | soname = lbasename (abfd->filename); |
ec4eb78a | 415 | |
cd6f1cf3 | 416 | if (verbose) |
ec4eb78a L |
417 | info_msg (_("found %s at %s\n"), soname, name); |
418 | ||
e13629bc | 419 | global_found = NULL; |
04925e1e | 420 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 421 | if (global_found != NULL) |
04925e1e | 422 | { |
b34976b6 | 423 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 424 | we aren't going to do anything with it. */ |
b34976b6 | 425 | return TRUE; |
04925e1e AM |
426 | } |
427 | ||
4a43e768 AM |
428 | /* Specify the soname to use. */ |
429 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 430 | |
4a43e768 AM |
431 | /* Tell the ELF linker that we don't want the output file to have a |
432 | DT_NEEDED entry for this file, unless it is used to resolve | |
433 | references in a regular object. */ | |
96d56e9f | 434 | link_class = DYN_DT_NEEDED; |
e56f61be L |
435 | |
436 | /* Tell the ELF linker that we don't want the output file to have a | |
437 | DT_NEEDED entry for this file at all if the entry is from a file | |
438 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
439 | if (needed->by != NULL |
440 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
96d56e9f | 441 | link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
e56f61be | 442 | |
1e9cc1c2 | 443 | bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class); |
04925e1e AM |
444 | |
445 | /* Add this file into the symbol table. */ | |
446 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
8ff4c1f3 | 447 | einfo ("%F%B: error adding symbols: %E\n", abfd); |
04925e1e | 448 | |
b34976b6 | 449 | return TRUE; |
04925e1e AM |
450 | } |
451 | ||
452 | ||
453 | /* Search for a needed file in a path. */ | |
454 | ||
b34976b6 | 455 | static bfd_boolean |
e56f61be L |
456 | gld${EMULATION_NAME}_search_needed (const char *path, |
457 | struct dt_needed *n, int force) | |
04925e1e AM |
458 | { |
459 | const char *s; | |
e56f61be | 460 | const char *name = n->name; |
04925e1e | 461 | size_t len; |
e56f61be | 462 | struct dt_needed needed; |
04925e1e | 463 | |
cc5ce052 | 464 | if (name[0] == '/') |
e56f61be | 465 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 466 | |
04925e1e | 467 | if (path == NULL || *path == '\0') |
b34976b6 | 468 | return FALSE; |
e56f61be L |
469 | |
470 | needed.by = n->by; | |
471 | needed.name = n->name; | |
472 | ||
04925e1e AM |
473 | len = strlen (name); |
474 | while (1) | |
475 | { | |
476 | char *filename, *sset; | |
477 | ||
c76308d2 | 478 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
479 | if (s == NULL) |
480 | s = path + strlen (path); | |
481 | ||
07f1e47a AM |
482 | #if HAVE_DOS_BASED_FILE_SYSTEM |
483 | /* Assume a match on the second char is part of drive specifier. */ | |
484 | else if (config.rpath_separator == ':' | |
485 | && s == path + 1 | |
486 | && ISALPHA (*path)) | |
487 | { | |
488 | s = strchr (s + 1, config.rpath_separator); | |
489 | if (s == NULL) | |
490 | s = path + strlen (path); | |
491 | } | |
492 | #endif | |
04925e1e AM |
493 | filename = (char *) xmalloc (s - path + len + 2); |
494 | if (s == path) | |
495 | sset = filename; | |
496 | else | |
497 | { | |
498 | memcpy (filename, path, s - path); | |
499 | filename[s - path] = '/'; | |
500 | sset = filename + (s - path) + 1; | |
501 | } | |
502 | strcpy (sset, name); | |
503 | ||
e56f61be L |
504 | needed.name = filename; |
505 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 506 | return TRUE; |
04925e1e AM |
507 | |
508 | free (filename); | |
509 | ||
510 | if (*s == '\0') | |
511 | break; | |
512 | path = s + 1; | |
513 | } | |
514 | ||
b34976b6 | 515 | return FALSE; |
04925e1e AM |
516 | } |
517 | ||
518 | EOF | |
9c8ebd6a | 519 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 520 | fragment <<EOF |
9c8ebd6a | 521 | |
c76308d2 RS |
522 | /* Add the sysroot to every entry in a path separated by |
523 | config.rpath_separator. */ | |
9c8ebd6a DJ |
524 | |
525 | static char * | |
0c7a8e5a | 526 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
527 | { |
528 | int len, colons, i; | |
529 | char *ret, *p; | |
530 | ||
531 | len = strlen (path); | |
532 | colons = 0; | |
533 | i = 0; | |
534 | while (path[i]) | |
c76308d2 | 535 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
536 | colons++; |
537 | ||
538 | if (path[i]) | |
539 | colons++; | |
540 | ||
42644a89 | 541 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
542 | ret = xmalloc (len + 1); |
543 | strcpy (ret, ld_sysroot); | |
544 | p = ret + strlen (ret); | |
545 | i = 0; | |
546 | while (path[i]) | |
c76308d2 | 547 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 548 | { |
0c7a8e5a | 549 | *p++ = path[i++]; |
9c8ebd6a DJ |
550 | strcpy (p, ld_sysroot); |
551 | p = p + strlen (p); | |
9c8ebd6a DJ |
552 | } |
553 | else | |
554 | *p++ = path[i++]; | |
555 | ||
556 | *p = 0; | |
557 | return ret; | |
558 | } | |
04925e1e | 559 | |
3dc16cab DJ |
560 | EOF |
561 | case ${target} in | |
ebe1fac1 | 562 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 563 | fragment <<EOF |
ebe1fac1 NC |
564 | /* Read the system search path the FreeBSD way rather than the Linux way. */ |
565 | #ifdef HAVE_ELF_HINTS_H | |
566 | #include <elf-hints.h> | |
567 | #else | |
568 | #include "elf-hints-local.h" | |
569 | #endif | |
570 | ||
571 | static bfd_boolean | |
d5c8b1f8 AM |
572 | gld${EMULATION_NAME}_check_ld_elf_hints (const struct bfd_link_needed_list *l, |
573 | int force) | |
ebe1fac1 NC |
574 | { |
575 | static bfd_boolean initialized; | |
576 | static char *ld_elf_hints; | |
577 | struct dt_needed needed; | |
578 | ||
579 | if (!initialized) | |
580 | { | |
581 | FILE *f; | |
582 | char *tmppath; | |
583 | ||
ff7a0acf | 584 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL); |
ebe1fac1 NC |
585 | f = fopen (tmppath, FOPEN_RB); |
586 | free (tmppath); | |
587 | if (f != NULL) | |
588 | { | |
589 | struct elfhints_hdr hdr; | |
590 | ||
591 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
592 | && hdr.magic == ELFHINTS_MAGIC | |
593 | && hdr.version == 1) | |
594 | { | |
595 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
596 | { | |
597 | char *b; | |
598 | ||
599 | b = xmalloc (hdr.dirlistlen + 1); | |
600 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
601 | hdr.dirlistlen + 1) | |
602 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 603 | |
ebe1fac1 NC |
604 | free (b); |
605 | } | |
606 | } | |
607 | fclose (f); | |
608 | } | |
609 | ||
610 | initialized = TRUE; | |
611 | } | |
612 | ||
613 | if (ld_elf_hints == NULL) | |
614 | return FALSE; | |
615 | ||
d5c8b1f8 AM |
616 | needed.by = l->by; |
617 | needed.name = l->name; | |
618 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, &needed, force); | |
ebe1fac1 NC |
619 | } |
620 | EOF | |
621 | # FreeBSD | |
622 | ;; | |
623 | ||
a5244b7e | 624 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 625 | fragment <<EOF |
04925e1e AM |
626 | /* For a native linker, check the file /etc/ld.so.conf for directories |
627 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 628 | only meaningful on Linux. */ |
04925e1e | 629 | |
d3989512 | 630 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 631 | { |
d3989512 JJ |
632 | char *path; |
633 | size_t len, alloc; | |
634 | }; | |
04925e1e | 635 | |
dfcffada | 636 | static bfd_boolean |
d3989512 JJ |
637 | gld${EMULATION_NAME}_parse_ld_so_conf |
638 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
639 | ||
640 | static void | |
641 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
642 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
643 | const char *pattern) | |
644 | { | |
645 | char *newp = NULL; | |
0b48acfe | 646 | #ifdef HAVE_GLOB |
d3989512 | 647 | glob_t gl; |
0b48acfe | 648 | #endif |
d3989512 JJ |
649 | |
650 | if (pattern[0] != '/') | |
04925e1e | 651 | { |
d3989512 JJ |
652 | char *p = strrchr (filename, '/'); |
653 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 654 | |
d3989512 JJ |
655 | newp = xmalloc (p - filename + 1 + patlen); |
656 | memcpy (newp, filename, p - filename + 1); | |
657 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
658 | pattern = newp; | |
659 | } | |
04925e1e | 660 | |
0b48acfe | 661 | #ifdef HAVE_GLOB |
d3989512 JJ |
662 | if (glob (pattern, 0, NULL, &gl) == 0) |
663 | { | |
664 | size_t i; | |
665 | ||
666 | for (i = 0; i < gl.gl_pathc; ++i) | |
667 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
668 | globfree (&gl); | |
669 | } | |
0b48acfe MM |
670 | #else |
671 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
672 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
673 | #endif | |
d3989512 JJ |
674 | |
675 | if (newp) | |
676 | free (newp); | |
677 | } | |
678 | ||
dfcffada | 679 | static bfd_boolean |
d3989512 JJ |
680 | gld${EMULATION_NAME}_parse_ld_so_conf |
681 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
682 | { | |
683 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
684 | char *line; |
685 | size_t linelen; | |
d3989512 JJ |
686 | |
687 | if (f == NULL) | |
dfcffada | 688 | return FALSE; |
d3989512 | 689 | |
563f4125 JJ |
690 | linelen = 256; |
691 | line = xmalloc (linelen); | |
692 | do | |
d3989512 | 693 | { |
563f4125 JJ |
694 | char *p = line, *q; |
695 | ||
696 | /* Normally this would use getline(3), but we need to be portable. */ | |
697 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
698 | && strlen (q) == linelen - (p - line) - 1 | |
699 | && line[linelen - 2] != '\n') | |
700 | { | |
701 | line = xrealloc (line, 2 * linelen); | |
702 | p = line + linelen - 1; | |
703 | linelen += linelen; | |
704 | } | |
705 | ||
706 | if (q == NULL && p == line) | |
707 | break; | |
d3989512 JJ |
708 | |
709 | p = strchr (line, '\n'); | |
710 | if (p) | |
711 | *p = '\0'; | |
712 | ||
713 | /* Because the file format does not know any form of quoting we | |
714 | can search forward for the next '#' character and if found | |
715 | make it terminating the line. */ | |
716 | p = strchr (line, '#'); | |
717 | if (p) | |
718 | *p = '\0'; | |
719 | ||
720 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
721 | p = line; | |
722 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
723 | ++p; | |
724 | ||
725 | /* If the line is blank it is ignored. */ | |
726 | if (p[0] == '\0') | |
727 | continue; | |
04925e1e | 728 | |
0112cd26 | 729 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
730 | { |
731 | char *dir, c; | |
732 | p += 8; | |
733 | do | |
04925e1e | 734 | { |
d3989512 JJ |
735 | while (*p == ' ' || *p == '\t') |
736 | ++p; | |
04925e1e | 737 | |
d3989512 JJ |
738 | if (*p == '\0') |
739 | break; | |
252b5132 | 740 | |
d3989512 JJ |
741 | dir = p; |
742 | ||
743 | while (*p != ' ' && *p != '\t' && *p) | |
744 | ++p; | |
745 | ||
746 | c = *p; | |
747 | *p++ = '\0'; | |
748 | if (dir[0] != '\0') | |
749 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
750 | dir); | |
751 | } | |
752 | while (c != '\0'); | |
753 | } | |
754 | else | |
755 | { | |
756 | char *dir = p; | |
757 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
758 | && *p != '\r' && *p != '\v') | |
759 | ++p; | |
760 | ||
761 | while (p != dir && p[-1] == '/') | |
762 | --p; | |
763 | if (info->path == NULL) | |
764 | { | |
765 | info->alloc = p - dir + 1 + 256; | |
766 | info->path = xmalloc (info->alloc); | |
767 | info->len = 0; | |
768 | } | |
04925e1e AM |
769 | else |
770 | { | |
d3989512 JJ |
771 | if (info->len + 1 + (p - dir) >= info->alloc) |
772 | { | |
773 | info->alloc += p - dir + 256; | |
774 | info->path = xrealloc (info->path, info->alloc); | |
775 | } | |
c76308d2 | 776 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 777 | } |
d3989512 JJ |
778 | memcpy (info->path + info->len, dir, p - dir); |
779 | info->len += p - dir; | |
780 | info->path[info->len] = '\0'; | |
781 | } | |
782 | } | |
563f4125 | 783 | while (! feof (f)); |
d3989512 JJ |
784 | free (line); |
785 | fclose (f); | |
dfcffada | 786 | return TRUE; |
d3989512 | 787 | } |
252b5132 | 788 | |
d3989512 | 789 | static bfd_boolean |
d5c8b1f8 AM |
790 | gld${EMULATION_NAME}_check_ld_so_conf (const struct bfd_link_needed_list *l, |
791 | int force) | |
d3989512 JJ |
792 | { |
793 | static bfd_boolean initialized; | |
794 | static char *ld_so_conf; | |
795 | struct dt_needed needed; | |
252b5132 | 796 | |
d3989512 JJ |
797 | if (! initialized) |
798 | { | |
799 | char *tmppath; | |
800 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 801 | |
d3989512 JJ |
802 | info.path = NULL; |
803 | info.len = info.alloc = 0; | |
ff7a0acf AM |
804 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", |
805 | (const char *) NULL); | |
dfcffada AM |
806 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) |
807 | { | |
808 | free (tmppath); | |
ff7a0acf AM |
809 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", |
810 | (const char *) NULL); | |
dfcffada AM |
811 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); |
812 | } | |
d3989512 | 813 | free (tmppath); |
dfcffada | 814 | |
d3989512 JJ |
815 | if (info.path) |
816 | { | |
817 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
818 | free (info.path); | |
819 | ld_so_conf = d; | |
04925e1e | 820 | } |
b34976b6 | 821 | initialized = TRUE; |
04925e1e | 822 | } |
49e56c49 | 823 | |
04925e1e | 824 | if (ld_so_conf == NULL) |
b34976b6 | 825 | return FALSE; |
252b5132 | 826 | |
e56f61be | 827 | |
d5c8b1f8 AM |
828 | needed.by = l->by; |
829 | needed.name = l->name; | |
e56f61be | 830 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); |
252b5132 RH |
831 | } |
832 | ||
04925e1e | 833 | EOF |
9c8ebd6a DJ |
834 | # Linux |
835 | ;; | |
04925e1e AM |
836 | esac |
837 | fi | |
92b93329 | 838 | fragment <<EOF |
04925e1e | 839 | |
252b5132 RH |
840 | /* See if an input file matches a DT_NEEDED entry by name. */ |
841 | ||
842 | static void | |
0c7a8e5a | 843 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 844 | { |
e13629bc AM |
845 | const char *soname; |
846 | ||
847 | /* Stop looking if we've found a loaded lib. */ | |
848 | if (global_found != NULL | |
849 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
850 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
851 | return; |
852 | ||
e13629bc AM |
853 | if (s->filename == NULL || s->the_bfd == NULL) |
854 | return; | |
855 | ||
856 | /* Don't look for a second non-loaded as-needed lib. */ | |
857 | if (global_found != NULL | |
858 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
859 | return; |
860 | ||
42627821 | 861 | if (filename_cmp (s->filename, global_needed->name) == 0) |
252b5132 | 862 | { |
e13629bc AM |
863 | global_found = s; |
864 | return; | |
865 | } | |
577a0623 | 866 | |
66be1055 | 867 | if (s->flags.search_dirs) |
e13629bc AM |
868 | { |
869 | const char *f = strrchr (s->filename, '/'); | |
870 | if (f != NULL | |
42627821 | 871 | && filename_cmp (f + 1, global_needed->name) == 0) |
577a0623 | 872 | { |
e13629bc | 873 | global_found = s; |
577a0623 AM |
874 | return; |
875 | } | |
252b5132 RH |
876 | } |
877 | ||
e13629bc AM |
878 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
879 | if (soname != NULL | |
42627821 | 880 | && filename_cmp (soname, global_needed->name) == 0) |
252b5132 | 881 | { |
e13629bc AM |
882 | global_found = s; |
883 | return; | |
252b5132 | 884 | } |
252b5132 RH |
885 | } |
886 | ||
41392f03 AM |
887 | EOF |
888 | ||
889 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
92b93329 | 890 | fragment <<EOF |
04925e1e | 891 | |
24382dca | 892 | static bfd_size_type |
677e5a92 | 893 | id_note_section_size (bfd *abfd ATTRIBUTE_UNUSED) |
24382dca | 894 | { |
30e8ee25 | 895 | const char *style = emit_note_gnu_build_id; |
24382dca | 896 | bfd_size_type size; |
61e2488c | 897 | bfd_size_type build_id_size; |
24382dca | 898 | |
24382dca RM |
899 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
900 | size = (size + 3) & -(bfd_size_type) 4; | |
901 | ||
61e2488c JT |
902 | build_id_size = compute_build_id_size (style); |
903 | if (build_id_size) | |
904 | size += build_id_size; | |
24382dca RM |
905 | else |
906 | size = 0; | |
907 | ||
908 | return size; | |
909 | } | |
910 | ||
24382dca | 911 | static bfd_boolean |
30e8ee25 | 912 | write_build_id (bfd *abfd) |
24382dca RM |
913 | { |
914 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
30e8ee25 AM |
915 | struct elf_obj_tdata *t = elf_tdata (abfd); |
916 | const char *style; | |
24382dca RM |
917 | asection *asec; |
918 | Elf_Internal_Shdr *i_shdr; | |
919 | unsigned char *contents, *id_bits; | |
920 | bfd_size_type size; | |
30e8ee25 | 921 | file_ptr position; |
24382dca RM |
922 | Elf_External_Note *e_note; |
923 | ||
c0355132 AM |
924 | style = t->o->build_id.style; |
925 | asec = t->o->build_id.sec; | |
83e4970b | 926 | if (bfd_is_abs_section (asec->output_section)) |
24382dca | 927 | { |
83e4970b AM |
928 | einfo (_("%P: warning: .note.gnu.build-id section discarded," |
929 | " --build-id ignored.\n")); | |
930 | return TRUE; | |
24382dca RM |
931 | } |
932 | i_shdr = &elf_section_data (asec->output_section)->this_hdr; | |
933 | ||
934 | if (i_shdr->contents == NULL) | |
935 | { | |
b2ff8454 | 936 | if (asec->contents == NULL) |
1e9cc1c2 | 937 | asec->contents = (unsigned char *) xmalloc (asec->size); |
b2ff8454 | 938 | contents = asec->contents; |
24382dca | 939 | } |
b2ff8454 RM |
940 | else |
941 | contents = i_shdr->contents + asec->output_offset; | |
24382dca | 942 | |
1e9cc1c2 | 943 | e_note = (Elf_External_Note *) contents; |
24382dca RM |
944 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
945 | size = (size + 3) & -(bfd_size_type) 4; | |
946 | id_bits = contents + size; | |
947 | size = asec->size - size; | |
948 | ||
949 | bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz); | |
950 | bfd_h_put_32 (abfd, size, &e_note->descsz); | |
951 | bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type); | |
952 | memcpy (e_note->name, "GNU", sizeof "GNU"); | |
953 | ||
61e2488c | 954 | generate_build_id (abfd, style, bed->s->checksum_contents, id_bits, size); |
24382dca | 955 | |
30e8ee25 | 956 | position = i_shdr->sh_offset + asec->output_offset; |
b2ff8454 | 957 | size = asec->size; |
30e8ee25 | 958 | return (bfd_seek (abfd, position, SEEK_SET) == 0 |
b2ff8454 | 959 | && bfd_bwrite (contents, size, abfd) == size); |
24382dca RM |
960 | } |
961 | ||
30e8ee25 AM |
962 | /* Make .note.gnu.build-id section, and set up elf_tdata->build_id. */ |
963 | ||
964 | static bfd_boolean | |
965 | setup_build_id (bfd *ibfd) | |
966 | { | |
967 | asection *s; | |
968 | bfd_size_type size; | |
969 | flagword flags; | |
970 | ||
971 | size = id_note_section_size (ibfd); | |
972 | if (size == 0) | |
973 | { | |
974 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); | |
975 | return FALSE; | |
976 | } | |
977 | ||
978 | flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
979 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
980 | s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags); | |
981 | if (s != NULL && bfd_set_section_alignment (ibfd, s, 2)) | |
982 | { | |
983 | struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd); | |
c0355132 AM |
984 | t->o->build_id.after_write_object_contents = &write_build_id; |
985 | t->o->build_id.style = emit_note_gnu_build_id; | |
986 | t->o->build_id.sec = s; | |
987 | elf_section_type (s) = SHT_NOTE; | |
988 | s->size = size; | |
989 | return TRUE; | |
30e8ee25 AM |
990 | } |
991 | ||
992 | einfo ("%P: warning: Cannot create .note.gnu.build-id section," | |
993 | " --build-id ignored.\n"); | |
994 | return FALSE; | |
995 | } | |
24382dca | 996 | |
04925e1e | 997 | /* This is called after all the input files have been opened. */ |
252b5132 RH |
998 | |
999 | static void | |
0c7a8e5a | 1000 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 1001 | { |
04925e1e | 1002 | struct bfd_link_needed_list *needed, *l; |
d10e7fcc AM |
1003 | struct elf_link_hash_table *htab; |
1004 | ||
5c3049d2 AM |
1005 | after_open_default (); |
1006 | ||
d10e7fcc AM |
1007 | htab = elf_hash_table (&link_info); |
1008 | if (!is_elf_hash_table (htab)) | |
1009 | return; | |
252b5132 | 1010 | |
30e8ee25 | 1011 | if (emit_note_gnu_build_id != NULL) |
c0065db7 RM |
1012 | { |
1013 | bfd *abfd; | |
c0065db7 | 1014 | |
a654efd6 L |
1015 | /* Find an ELF input. */ |
1016 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1017 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
ca0694ad AM |
1018 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
1019 | && bfd_count_sections (abfd) != 0) | |
a654efd6 | 1020 | break; |
c0065db7 | 1021 | |
30e8ee25 AM |
1022 | /* PR 10555: If there are no ELF input files do not try to |
1023 | create a .note.gnu-build-id section. */ | |
1024 | if (abfd == NULL | |
1025 | || !setup_build_id (abfd)) | |
c0065db7 | 1026 | { |
30e8ee25 AM |
1027 | free ((char *) emit_note_gnu_build_id); |
1028 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
1029 | } |
1030 | } | |
1031 | ||
d10e7fcc | 1032 | if (link_info.relocatable) |
76f0cad6 NC |
1033 | { |
1034 | if (link_info.execstack == ! link_info.noexecstack) | |
1035 | /* PR ld/16744: If "-z [no]execstack" has been specified on the | |
1036 | command line and we are perfoming a relocatable link then no | |
1037 | PT_GNU_STACK segment will be created and so the | |
1038 | linkinfo.[no]execstack values set in _handle_option() will have no | |
1039 | effect. Instead we create a .note.GNU-stack section in much the | |
1040 | same way as the assembler does with its --[no]execstack option. */ | |
1041 | (void) bfd_make_section_with_flags (link_info.input_bfds, | |
1042 | ".note.GNU-stack", | |
1043 | SEC_READONLY | (link_info.execstack ? SEC_CODE : 0)); | |
1044 | ||
1045 | return; | |
1046 | } | |
d10e7fcc | 1047 | |
eb3d5f3b | 1048 | if (link_info.eh_frame_hdr |
d10e7fcc | 1049 | && !link_info.traditional_format) |
eb3d5f3b | 1050 | { |
a654efd6 L |
1051 | bfd *abfd, *elfbfd = NULL; |
1052 | bfd_boolean warn_eh_frame = FALSE; | |
d10e7fcc | 1053 | asection *s; |
eb3d5f3b | 1054 | |
c72f2fb2 | 1055 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next) |
eb3d5f3b | 1056 | { |
ca0694ad AM |
1057 | if (bfd_count_sections (abfd) == 0) |
1058 | continue; | |
a654efd6 L |
1059 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1060 | elfbfd = abfd; | |
4440bb77 L |
1061 | if (!warn_eh_frame) |
1062 | { | |
1063 | s = bfd_get_section_by_name (abfd, ".eh_frame"); | |
9cf8b46e AM |
1064 | while (s != NULL |
1065 | && (s->size <= 8 | |
1066 | || bfd_is_abs_section (s->output_section))) | |
1067 | s = bfd_get_next_section_by_name (s); | |
1068 | warn_eh_frame = s != NULL; | |
4440bb77 L |
1069 | } |
1070 | if (elfbfd && warn_eh_frame) | |
1071 | break; | |
d10e7fcc | 1072 | } |
a654efd6 | 1073 | if (elfbfd) |
d10e7fcc AM |
1074 | { |
1075 | const struct elf_backend_data *bed; | |
1076 | ||
a654efd6 L |
1077 | bed = get_elf_backend_data (elfbfd); |
1078 | s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr", | |
1079 | bed->dynamic_sec_flags | |
1080 | | SEC_READONLY); | |
d10e7fcc | 1081 | if (s != NULL |
a654efd6 L |
1082 | && bfd_set_section_alignment (elfbfd, s, 2)) |
1083 | { | |
1084 | htab->eh_info.hdr_sec = s; | |
1085 | warn_eh_frame = FALSE; | |
1086 | } | |
eb3d5f3b | 1087 | } |
a654efd6 L |
1088 | if (warn_eh_frame) |
1089 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
1090 | " --eh-frame-hdr ignored.\n"); | |
eb3d5f3b JB |
1091 | } |
1092 | ||
04925e1e AM |
1093 | /* Get the list of files which appear in DT_NEEDED entries in |
1094 | dynamic objects included in the link (often there will be none). | |
1095 | For each such file, we want to track down the corresponding | |
1096 | library, and include the symbol table in the link. This is what | |
1097 | the runtime dynamic linker will do. Tracking the files down here | |
1098 | permits one dynamic object to include another without requiring | |
1099 | special action by the person doing the link. Note that the | |
1100 | needed list can actually grow while we are stepping through this | |
1101 | loop. */ | |
f13a99db | 1102 | needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info); |
04925e1e | 1103 | for (l = needed; l != NULL; l = l->next) |
252b5132 | 1104 | { |
04925e1e | 1105 | struct bfd_link_needed_list *ll; |
e56f61be | 1106 | struct dt_needed n, nn; |
04925e1e | 1107 | int force; |
252b5132 | 1108 | |
7e9f0867 | 1109 | /* If the lib that needs this one was --as-needed and wasn't |
4706eab9 | 1110 | found to be needed, then this lib isn't needed either. */ |
7e9f0867 | 1111 | if (l->by != NULL |
4706eab9 AM |
1112 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) |
1113 | continue; | |
1114 | ||
1115 | /* Skip the lib if --no-copy-dt-needed-entries and | |
1116 | --allow-shlib-undefined is in effect. */ | |
1117 | if (l->by != NULL | |
1118 | && link_info.unresolved_syms_in_shared_libs == RM_IGNORE | |
1119 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0) | |
7e9f0867 AM |
1120 | continue; |
1121 | ||
04925e1e AM |
1122 | /* If we've already seen this file, skip it. */ |
1123 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
1124 | if ((ll->by == NULL |
1125 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
1126 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
1127 | break; |
1128 | if (ll != l) | |
1129 | continue; | |
252b5132 | 1130 | |
04925e1e AM |
1131 | /* See if this file was included in the link explicitly. */ |
1132 | global_needed = l; | |
e13629bc | 1133 | global_found = NULL; |
04925e1e | 1134 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
1135 | if (global_found != NULL |
1136 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1137 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 1138 | continue; |
252b5132 | 1139 | |
e56f61be L |
1140 | n.by = l->by; |
1141 | n.name = l->name; | |
1142 | nn.by = l->by; | |
cd6f1cf3 | 1143 | if (verbose) |
ec4eb78a L |
1144 | info_msg (_("%s needed by %B\n"), l->name, l->by); |
1145 | ||
e13629bc AM |
1146 | /* As-needed libs specified on the command line (or linker script) |
1147 | take priority over libs found in search dirs. */ | |
1148 | if (global_found != NULL) | |
1149 | { | |
1150 | nn.name = global_found->filename; | |
1151 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
1152 | continue; | |
1153 | } | |
1154 | ||
04925e1e AM |
1155 | /* We need to find this file and include the symbol table. We |
1156 | want to search for the file in the same way that the dynamic | |
1157 | linker will search. That means that we want to use | |
1158 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
1159 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
1160 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
1161 | We do not search using the -L arguments. | |
252b5132 | 1162 | |
04925e1e AM |
1163 | We search twice. The first time, we skip objects which may |
1164 | introduce version mismatches. The second time, we force | |
1165 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
1166 | for (force = 0; force < 2; force++) | |
1167 | { | |
04925e1e AM |
1168 | size_t len; |
1169 | search_dirs_type *search; | |
6dd8c765 | 1170 | EOF |
ff925e69 | 1171 | if [ "x${NATIVE}" = xyes ] ; then |
92b93329 | 1172 | fragment <<EOF |
dcb0bd0e | 1173 | const char *lib_path; |
ff925e69 KK |
1174 | EOF |
1175 | fi | |
1176 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1177 | fragment <<EOF |
6dd8c765 L |
1178 | struct bfd_link_needed_list *rp; |
1179 | int found; | |
1180 | EOF | |
6dd8c765 | 1181 | fi |
92b93329 | 1182 | fragment <<EOF |
252b5132 | 1183 | |
04925e1e | 1184 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 1185 | &n, force)) |
04925e1e | 1186 | break; |
dcb0bd0e | 1187 | EOF |
9c8ebd6a | 1188 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1189 | fragment <<EOF |
04925e1e | 1190 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 1191 | &n, force)) |
04925e1e | 1192 | break; |
9c8ebd6a DJ |
1193 | EOF |
1194 | fi | |
1195 | if [ "x${NATIVE}" = xyes ] ; then | |
92b93329 | 1196 | fragment <<EOF |
04925e1e AM |
1197 | if (command_line.rpath_link == NULL |
1198 | && command_line.rpath == NULL) | |
1199 | { | |
1200 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1201 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1202 | force)) |
1203 | break; | |
1204 | } | |
04925e1e | 1205 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1206 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1207 | break; |
9c8ebd6a DJ |
1208 | EOF |
1209 | fi | |
1210 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1211 | fragment <<EOF |
ec4eb78a | 1212 | found = 0; |
f13a99db | 1213 | rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info); |
6dd8c765 | 1214 | for (; !found && rp != NULL; rp = rp->next) |
ec4eb78a | 1215 | { |
9c8ebd6a | 1216 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1217 | found = (rp->by == l->by |
9c8ebd6a | 1218 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1219 | &n, |
ec4eb78a | 1220 | force)); |
9c8ebd6a | 1221 | free (tmpname); |
ec4eb78a L |
1222 | } |
1223 | if (found) | |
1224 | break; | |
1225 | ||
04925e1e | 1226 | EOF |
04925e1e | 1227 | fi |
c1446dba L |
1228 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1229 | case ${target} in | |
ebe1fac1 | 1230 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 1231 | fragment <<EOF |
d5c8b1f8 | 1232 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force)) |
ebe1fac1 NC |
1233 | break; |
1234 | EOF | |
1235 | # FreeBSD | |
1236 | ;; | |
1237 | ||
a5244b7e | 1238 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 1239 | fragment <<EOF |
d5c8b1f8 | 1240 | if (gld${EMULATION_NAME}_check_ld_so_conf (l, force)) |
c1446dba L |
1241 | break; |
1242 | ||
1243 | EOF | |
eeaa4577 | 1244 | # Linux |
c1446dba L |
1245 | ;; |
1246 | esac | |
1247 | fi | |
92b93329 | 1248 | fragment <<EOF |
04925e1e AM |
1249 | len = strlen (l->name); |
1250 | for (search = search_head; search != NULL; search = search->next) | |
1251 | { | |
1252 | char *filename; | |
252b5132 | 1253 | |
04925e1e AM |
1254 | if (search->cmdline) |
1255 | continue; | |
1256 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1257 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1258 | nn.name = filename; |
1259 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1260 | break; |
1261 | free (filename); | |
1262 | } | |
1263 | if (search != NULL) | |
1264 | break; | |
1265 | EOF | |
92b93329 | 1266 | fragment <<EOF |
04925e1e | 1267 | } |
252b5132 | 1268 | |
04925e1e AM |
1269 | if (force < 2) |
1270 | continue; | |
252b5132 | 1271 | |
e374f1d9 | 1272 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1273 | l->name, l->by); |
1274 | } | |
1275 | } | |
252b5132 | 1276 | |
41392f03 AM |
1277 | EOF |
1278 | fi | |
1279 | ||
92b93329 | 1280 | fragment <<EOF |
252b5132 | 1281 | |
04925e1e | 1282 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1283 | |
04925e1e | 1284 | static void |
0c7a8e5a | 1285 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1286 | { |
4ea42fb7 | 1287 | bfd_boolean provide = FALSE; |
04925e1e AM |
1288 | |
1289 | switch (exp->type.node_class) | |
252b5132 | 1290 | { |
04925e1e | 1291 | case etree_provide: |
bded3693 | 1292 | case etree_provided: |
4ea42fb7 AM |
1293 | provide = TRUE; |
1294 | /* Fall thru */ | |
1295 | case etree_assign: | |
04925e1e AM |
1296 | /* We call record_link_assignment even if the symbol is defined. |
1297 | This is because if it is defined by a dynamic object, we | |
1298 | actually want to use the value defined by the linker script, | |
1299 | not the value from the dynamic object (because we are setting | |
1300 | symbols like etext). If the symbol is defined by a regular | |
1301 | object, then, as it happens, calling record_link_assignment | |
1302 | will do no harm. */ | |
04925e1e | 1303 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1304 | { |
f13a99db AM |
1305 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, |
1306 | &link_info, | |
fe21a8fc L |
1307 | exp->assign.dst, provide, |
1308 | exp->assign.hidden)) | |
04925e1e AM |
1309 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1310 | exp->assign.dst); | |
252b5132 | 1311 | } |
04925e1e AM |
1312 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1313 | break; | |
252b5132 | 1314 | |
04925e1e AM |
1315 | case etree_binary: |
1316 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1317 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1318 | break; | |
252b5132 | 1319 | |
04925e1e AM |
1320 | case etree_trinary: |
1321 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1322 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1323 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1324 | break; | |
252b5132 | 1325 | |
04925e1e AM |
1326 | case etree_unary: |
1327 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1328 | break; | |
252b5132 | 1329 | |
04925e1e AM |
1330 | default: |
1331 | break; | |
252b5132 RH |
1332 | } |
1333 | } | |
1334 | ||
04925e1e AM |
1335 | |
1336 | /* This is called by the before_allocation routine via | |
1337 | lang_for_each_statement. It locates any assignment statements, and | |
1338 | tells the ELF backend about them, in case they are assignments to | |
1339 | symbols which are referred to by dynamic objects. */ | |
1340 | ||
1341 | static void | |
0c7a8e5a | 1342 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1343 | { |
1344 | if (s->header.type == lang_assignment_statement_enum) | |
1345 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1346 | } | |
1347 | ||
41392f03 AM |
1348 | EOF |
1349 | ||
1350 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1351 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1352 | ELF_INTERPRETER_SET_DEFAULT=" | |
1353 | if (sinterp != NULL) | |
1354 | { | |
5718918d AM |
1355 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1356 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1357 | } |
1358 | ||
1359 | " | |
1360 | else | |
1361 | ELF_INTERPRETER_SET_DEFAULT= | |
1362 | fi | |
92b93329 | 1363 | fragment <<EOF |
04925e1e | 1364 | |
7ee314fa | 1365 | /* used by before_allocation and handle_option. */ |
4724d37e | 1366 | static void |
91d6fa6a | 1367 | gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg) |
7ee314fa AM |
1368 | { |
1369 | if (*to == NULL) | |
91d6fa6a | 1370 | *to = xstrdup (op_arg); |
7ee314fa AM |
1371 | else |
1372 | { | |
1373 | size_t to_len = strlen (*to); | |
91d6fa6a | 1374 | size_t op_arg_len = strlen (op_arg); |
7ee314fa AM |
1375 | char *buf; |
1376 | char *cp = *to; | |
1377 | ||
1378 | /* First see whether OPTARG is already in the path. */ | |
1379 | do | |
1380 | { | |
91d6fa6a NC |
1381 | if (strncmp (op_arg, cp, op_arg_len) == 0 |
1382 | && (cp[op_arg_len] == 0 | |
1383 | || cp[op_arg_len] == config.rpath_separator)) | |
7ee314fa AM |
1384 | /* We found it. */ |
1385 | break; | |
1386 | ||
1387 | /* Not yet found. */ | |
1388 | cp = strchr (cp, config.rpath_separator); | |
1389 | if (cp != NULL) | |
1390 | ++cp; | |
1391 | } | |
1392 | while (cp != NULL); | |
1393 | ||
1394 | if (cp == NULL) | |
1395 | { | |
91d6fa6a | 1396 | buf = xmalloc (to_len + op_arg_len + 2); |
7ee314fa | 1397 | sprintf (buf, "%s%c%s", *to, |
91d6fa6a | 1398 | config.rpath_separator, op_arg); |
7ee314fa AM |
1399 | free (*to); |
1400 | *to = buf; | |
1401 | } | |
1402 | } | |
1403 | } | |
1404 | ||
252b5132 RH |
1405 | /* This is called after the sections have been attached to output |
1406 | sections, but before any sizes or addresses have been set. */ | |
1407 | ||
1408 | static void | |
0c7a8e5a | 1409 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1410 | { |
1411 | const char *rpath; | |
1412 | asection *sinterp; | |
7ee314fa | 1413 | bfd *abfd; |
4199e3b8 | 1414 | struct elf_link_hash_entry *ehdr_start = NULL; |
a0bde398 L |
1415 | #if defined(__GNUC__) && GCC_VERSION < 4006 |
1416 | /* Work around a GCC uninitialized warning bug fixed in GCC 4.6. */ | |
1417 | struct bfd_link_hash_entry ehdr_start_save = ehdr_start_save; | |
1418 | #else | |
4a0bc59e | 1419 | struct bfd_link_hash_entry ehdr_start_save; |
a0bde398 | 1420 | #endif |
252b5132 | 1421 | |
b4d040b1 | 1422 | if (is_elf_hash_table (link_info.hash)) |
a5382c42 MR |
1423 | { |
1424 | _bfd_elf_tls_setup (link_info.output_bfd, &link_info); | |
e1918d23 | 1425 | |
cde7cb01 MR |
1426 | /* Make __ehdr_start hidden if it has been referenced, to |
1427 | prevent the symbol from being dynamic. */ | |
c2763e27 RM |
1428 | if (!link_info.relocatable) |
1429 | { | |
1430 | struct elf_link_hash_entry *h | |
1431 | = elf_link_hash_lookup (elf_hash_table (&link_info), "__ehdr_start", | |
1432 | FALSE, FALSE, TRUE); | |
1433 | ||
1434 | /* Only adjust the export class if the symbol was referenced | |
1435 | and not defined, otherwise leave it alone. */ | |
1436 | if (h != NULL | |
1437 | && (h->root.type == bfd_link_hash_new | |
1438 | || h->root.type == bfd_link_hash_undefined | |
1439 | || h->root.type == bfd_link_hash_undefweak | |
1440 | || h->root.type == bfd_link_hash_common)) | |
1441 | { | |
1442 | _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE); | |
1443 | if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL) | |
1444 | h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN; | |
4199e3b8 AM |
1445 | /* Don't leave the symbol undefined. Undefined hidden |
1446 | symbols typically won't have dynamic relocations, but | |
1447 | we most likely will need dynamic relocations for | |
1448 | __ehdr_start if we are building a PIE or shared | |
1449 | library. */ | |
1450 | ehdr_start = h; | |
1451 | ehdr_start_save = h->root; | |
1452 | h->root.type = bfd_link_hash_defined; | |
1453 | h->root.u.def.section = bfd_abs_section_ptr; | |
1454 | h->root.u.def.value = 0; | |
c2763e27 RM |
1455 | } |
1456 | } | |
cde7cb01 | 1457 | |
a5382c42 MR |
1458 | /* If we are going to make any variable assignments, we need to |
1459 | let the ELF backend know about them in case the variables are | |
1460 | referred to by dynamic objects. */ | |
1461 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1462 | } | |
252b5132 RH |
1463 | |
1464 | /* Let the ELF backend work out the sizes of any sections required | |
1465 | by dynamic linking. */ | |
1466 | rpath = command_line.rpath; | |
1467 | if (rpath == NULL) | |
1468 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
7ee314fa | 1469 | |
c72f2fb2 | 1470 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next) |
8dd881b6 L |
1471 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1472 | { | |
1473 | const char *audit_libs = elf_dt_audit (abfd); | |
7ee314fa | 1474 | |
4724d37e | 1475 | /* If the input bfd contains an audit entry, we need to add it as |
8dd881b6 L |
1476 | a dep audit entry. */ |
1477 | if (audit_libs && *audit_libs != '\0') | |
1478 | { | |
1479 | char *cp = xstrdup (audit_libs); | |
1480 | do | |
1481 | { | |
1482 | int more = 0; | |
1483 | char *cp2 = strchr (cp, config.rpath_separator); | |
7ee314fa | 1484 | |
8dd881b6 L |
1485 | if (cp2) |
1486 | { | |
1487 | *cp2 = '\0'; | |
1488 | more = 1; | |
1489 | } | |
7ee314fa | 1490 | |
8dd881b6 L |
1491 | if (cp != NULL && *cp != '\0') |
1492 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp); | |
1493 | ||
1494 | cp = more ? ++cp2 : NULL; | |
1495 | } | |
1496 | while (cp != NULL); | |
1497 | } | |
1498 | } | |
7ee314fa | 1499 | |
5a580b3a | 1500 | if (! (bfd_elf_size_dynamic_sections |
f13a99db | 1501 | (link_info.output_bfd, command_line.soname, rpath, |
7ee314fa | 1502 | command_line.filter_shlib, audit, depaudit, |
252b5132 | 1503 | (const char * const *) command_line.auxiliary_filters, |
fd91d419 | 1504 | &link_info, &sinterp))) |
252b5132 | 1505 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
8423293d | 1506 | |
57e6abd2 | 1507 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1508 | /* Let the user override the dynamic linker we are using. */ |
1509 | if (command_line.interpreter != NULL | |
1510 | && sinterp != NULL) | |
1511 | { | |
1512 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1513 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1514 | } |
1515 | ||
1516 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1517 | we treat such sections as containing warning messages. We print | |
1518 | out the warning message, and then zero out the section size so | |
1519 | that it does not get copied into the output file. */ | |
1520 | ||
1521 | { | |
1522 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1523 | { | |
1524 | asection *s; | |
1525 | bfd_size_type sz; | |
1526 | char *msg; | |
b34976b6 | 1527 | bfd_boolean ret; |
252b5132 | 1528 | |
66be1055 | 1529 | if (is->flags.just_syms) |
252b5132 RH |
1530 | continue; |
1531 | ||
1532 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1533 | if (s == NULL) | |
1534 | continue; | |
1535 | ||
eea6121a | 1536 | sz = s->size; |
1e9cc1c2 | 1537 | msg = (char *) xmalloc ((size_t) (sz + 1)); |
bc251d50 | 1538 | if (! bfd_get_section_contents (is->the_bfd, s, msg, |
8c675694 | 1539 | (file_ptr) 0, sz)) |
252b5132 RH |
1540 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1541 | is->the_bfd); | |
bc251d50 | 1542 | msg[sz] = '\0'; |
252b5132 RH |
1543 | ret = link_info.callbacks->warning (&link_info, msg, |
1544 | (const char *) NULL, | |
1545 | is->the_bfd, (asection *) NULL, | |
1546 | (bfd_vma) 0); | |
1547 | ASSERT (ret); | |
1548 | free (msg); | |
1549 | ||
9e3be61d AM |
1550 | /* Clobber the section size, so that we don't waste space |
1551 | copying the warning into the output file. If we've already | |
1552 | sized the output section, adjust its size. The adjustment | |
1553 | is on rawsize because targets that size sections early will | |
1554 | have called lang_reset_memory_regions after sizing. */ | |
1555 | if (s->output_section != NULL | |
1556 | && s->output_section->rawsize >= s->size) | |
1557 | s->output_section->rawsize -= s->size; | |
1558 | ||
eea6121a | 1559 | s->size = 0; |
11d2f718 | 1560 | |
9e3be61d AM |
1561 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1562 | warning section don't get copied to the output. */ | |
a14a5de3 | 1563 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1564 | } |
1565 | } | |
8423293d | 1566 | |
1e035701 | 1567 | before_allocation_default (); |
8423293d | 1568 | |
f13a99db | 1569 | if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info)) |
8423293d | 1570 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
4199e3b8 AM |
1571 | |
1572 | if (ehdr_start != NULL) | |
1573 | { | |
1574 | /* If we twiddled __ehdr_start to defined earlier, put it back | |
1575 | as it was. */ | |
1576 | ehdr_start->root.type = ehdr_start_save.type; | |
1577 | ehdr_start->root.u = ehdr_start_save.u; | |
1578 | } | |
252b5132 RH |
1579 | } |
1580 | ||
41392f03 AM |
1581 | EOF |
1582 | fi | |
1583 | ||
1584 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
92b93329 | 1585 | fragment <<EOF |
252b5132 | 1586 | |
04925e1e AM |
1587 | /* Try to open a dynamic archive. This is where we know that ELF |
1588 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1589 | like hpux). */ | |
1590 | ||
b34976b6 | 1591 | static bfd_boolean |
0c7a8e5a AM |
1592 | gld${EMULATION_NAME}_open_dynamic_archive |
1593 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1594 | { |
04925e1e AM |
1595 | const char *filename; |
1596 | char *string; | |
d4ae5fb0 AM |
1597 | size_t len; |
1598 | bfd_boolean opened = FALSE; | |
252b5132 | 1599 | |
66be1055 | 1600 | if (! entry->flags.maybe_archive) |
b34976b6 | 1601 | return FALSE; |
252b5132 | 1602 | |
04925e1e | 1603 | filename = entry->filename; |
d4ae5fb0 AM |
1604 | len = strlen (search->name) + strlen (filename); |
1605 | if (entry->flags.full_name_provided) | |
1606 | { | |
1607 | len += sizeof "/"; | |
1608 | string = (char *) xmalloc (len); | |
1609 | sprintf (string, "%s/%s", search->name, filename); | |
1610 | } | |
1611 | else | |
1612 | { | |
1613 | size_t xlen = 0; | |
252b5132 | 1614 | |
d4ae5fb0 | 1615 | len += strlen (arch) + sizeof "/lib.so"; |
04925e1e | 1616 | #ifdef EXTRA_SHLIB_EXTENSION |
d4ae5fb0 AM |
1617 | xlen = (strlen (EXTRA_SHLIB_EXTENSION) > 3 |
1618 | ? strlen (EXTRA_SHLIB_EXTENSION) - 3 | |
1619 | : 0); | |
04925e1e | 1620 | #endif |
d4ae5fb0 AM |
1621 | string = (char *) xmalloc (len + xlen); |
1622 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
04925e1e | 1623 | #ifdef EXTRA_SHLIB_EXTENSION |
d4ae5fb0 AM |
1624 | /* Try the .so extension first. If that fails build a new filename |
1625 | using EXTRA_SHLIB_EXTENSION. */ | |
1626 | opened = ldfile_try_open_bfd (string, entry); | |
1627 | if (!opened) | |
1628 | strcpy (string + len - 4, EXTRA_SHLIB_EXTENSION); | |
04925e1e | 1629 | #endif |
d4ae5fb0 | 1630 | } |
04925e1e | 1631 | |
d4ae5fb0 | 1632 | if (!opened && !ldfile_try_open_bfd (string, entry)) |
252b5132 | 1633 | { |
04925e1e | 1634 | free (string); |
b34976b6 | 1635 | return FALSE; |
04925e1e | 1636 | } |
252b5132 | 1637 | |
04925e1e | 1638 | entry->filename = string; |
252b5132 | 1639 | |
04925e1e AM |
1640 | /* We have found a dynamic object to include in the link. The ELF |
1641 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1642 | section naming this file. If this file includes a DT_SONAME | |
1643 | entry, it will be used. Otherwise, the ELF linker will just use | |
1644 | the name of the file. For an archive found by searching, like | |
1645 | this one, the DT_NEEDED entry should consist of just the name of | |
1646 | the file, without the path information used to find it. Note | |
1647 | that we only need to do this if we have a dynamic object; an | |
1648 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1649 | |
04925e1e AM |
1650 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1651 | very pretty. I haven't been able to think of anything that is | |
1652 | pretty, though. */ | |
1653 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1654 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1655 | { | |
66be1055 | 1656 | ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs); |
252b5132 | 1657 | |
04925e1e | 1658 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1659 | filename we recorded earlier. */ |
04925e1e | 1660 | |
d4ae5fb0 AM |
1661 | if (!entry->flags.full_name_provided) |
1662 | filename = lbasename (entry->filename); | |
1c9acd94 | 1663 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1664 | } |
1665 | ||
b34976b6 | 1666 | return TRUE; |
04925e1e AM |
1667 | } |
1668 | ||
41392f03 AM |
1669 | EOF |
1670 | fi | |
cde43e70 AM |
1671 | |
1672 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
92b93329 | 1673 | fragment <<EOF |
41392f03 | 1674 | |
afd7a018 | 1675 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1676 | |
04925e1e | 1677 | static lang_output_section_statement_type * |
2a36a117 | 1678 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1679 | { |
04925e1e | 1680 | lang_output_section_statement_type *lookup; |
ba493122 | 1681 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1682 | lang_output_section_statement_type *last_alloc = NULL; |
48f2ff54 | 1683 | lang_output_section_statement_type *last_ro_alloc = NULL; |
ba493122 AM |
1684 | lang_output_section_statement_type *last_rel = NULL; |
1685 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1686 | int rela = sec->name[4] == 'a'; |
04925e1e | 1687 | |
afd7a018 AM |
1688 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1689 | lookup != NULL; | |
1690 | lookup = lookup->next) | |
04925e1e | 1691 | { |
66c103b7 | 1692 | if (lookup->constraint >= 0 |
0112cd26 | 1693 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1694 | { |
24cdb50a | 1695 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1696 | |
2a36a117 AM |
1697 | /* .rel.dyn must come before all other reloc sections, to suit |
1698 | GNU ld.so. */ | |
1699 | if (isdyn) | |
1700 | break; | |
1701 | ||
1702 | /* Don't place after .rel.plt as doing so results in wrong | |
1703 | dynamic tags. */ | |
1704 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1705 | break; |
2a36a117 AM |
1706 | |
1707 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1708 | last_rel = lookup; |
2a36a117 AM |
1709 | if ((rela == lookrela || last_rel_alloc == NULL) |
1710 | && lookup->bfd_section != NULL | |
ba493122 AM |
1711 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1712 | last_rel_alloc = lookup; | |
04925e1e | 1713 | } |
2a36a117 AM |
1714 | |
1715 | last = lookup; | |
1716 | if (lookup->bfd_section != NULL | |
1717 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
48f2ff54 AM |
1718 | { |
1719 | last_alloc = lookup; | |
1720 | if ((lookup->bfd_section->flags & SEC_READONLY) != 0) | |
1721 | last_ro_alloc = lookup; | |
1722 | } | |
252b5132 | 1723 | } |
ba493122 AM |
1724 | |
1725 | if (last_rel_alloc) | |
1726 | return last_rel_alloc; | |
1727 | ||
1728 | if (last_rel) | |
1729 | return last_rel; | |
1730 | ||
48f2ff54 AM |
1731 | if (last_ro_alloc) |
1732 | return last_ro_alloc; | |
1733 | ||
2a36a117 AM |
1734 | if (last_alloc) |
1735 | return last_alloc; | |
1736 | ||
ba493122 | 1737 | return last; |
252b5132 RH |
1738 | } |
1739 | ||
1740 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1741 | sections in the right segment. */ | |
1742 | ||
c2edb4b8 | 1743 | static lang_output_section_statement_type * |
8a99a385 AM |
1744 | gld${EMULATION_NAME}_place_orphan (asection *s, |
1745 | const char *secname, | |
1746 | int constraint) | |
252b5132 | 1747 | { |
afd7a018 AM |
1748 | static struct orphan_save hold[] = |
1749 | { | |
1750 | { ".text", | |
1751 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1752 | 0, 0, 0, 0 }, | |
1753 | { ".rodata", | |
1754 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1755 | 0, 0, 0, 0 }, | |
d85e71fe L |
1756 | { ".tdata", |
1757 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_THREAD_LOCAL, | |
1758 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1759 | { ".data", |
1760 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1761 | 0, 0, 0, 0 }, | |
1762 | { ".bss", | |
1763 | SEC_ALLOC, | |
1764 | 0, 0, 0, 0 }, | |
1765 | { 0, | |
1766 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1767 | 0, 0, 0, 0 }, | |
1768 | { ".interp", | |
1769 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1770 | 0, 0, 0, 0 }, | |
1771 | { ".sdata", | |
1772 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
07890c07 | 1773 | 0, 0, 0, 0 }, |
175b7cd4 | 1774 | { ".comment", |
07890c07 AM |
1775 | SEC_HAS_CONTENTS, |
1776 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1777 | }; |
1778 | enum orphan_save_index | |
1779 | { | |
1780 | orphan_text = 0, | |
1781 | orphan_rodata, | |
d85e71fe | 1782 | orphan_tdata, |
afd7a018 AM |
1783 | orphan_data, |
1784 | orphan_bss, | |
1785 | orphan_rel, | |
1786 | orphan_interp, | |
07890c07 AM |
1787 | orphan_sdata, |
1788 | orphan_nonalloc | |
afd7a018 AM |
1789 | }; |
1790 | static int orphan_init_done = 0; | |
6a345e87 | 1791 | struct orphan_save *place; |
afd7a018 | 1792 | lang_output_section_statement_type *after; |
252b5132 | 1793 | lang_output_section_statement_type *os; |
b5f14a6d | 1794 | lang_output_section_statement_type *match_by_name = NULL; |
24cdb50a | 1795 | int isdyn = 0; |
ecca9871 L |
1796 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1797 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1798 | |
1049f94e | 1799 | if (! link_info.relocatable |
24cdb50a | 1800 | && link_info.combreloc |
ecca9871 | 1801 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1802 | { |
ecca9871 L |
1803 | if (iself) |
1804 | switch (sh_type) | |
1805 | { | |
1806 | case SHT_RELA: | |
1807 | secname = ".rela.dyn"; | |
1808 | isdyn = 1; | |
1809 | break; | |
1810 | case SHT_REL: | |
1811 | secname = ".rel.dyn"; | |
1812 | isdyn = 1; | |
1813 | break; | |
1814 | default: | |
1815 | break; | |
1816 | } | |
0112cd26 | 1817 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1818 | { |
1819 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1820 | isdyn = 1; | |
1821 | } | |
24cdb50a | 1822 | } |
aea4bd9d | 1823 | |
bcacc0f5 | 1824 | /* Look through the script to see where to place this section. */ |
d127ecce AM |
1825 | if (constraint == 0) |
1826 | for (os = lang_output_section_find (secname); | |
1827 | os != NULL; | |
1828 | os = next_matching_output_section_statement (os, 0)) | |
1829 | { | |
1830 | /* If we don't match an existing output section, tell | |
1831 | lang_insert_orphan to create a new output section. */ | |
1832 | constraint = SPECIAL; | |
1833 | ||
1834 | if (os->bfd_section != NULL | |
1835 | && (os->bfd_section->flags == 0 | |
1836 | || (_bfd_elf_match_sections_by_type (link_info.output_bfd, | |
1837 | os->bfd_section, | |
1838 | s->owner, s) | |
1839 | && ((s->flags ^ os->bfd_section->flags) | |
1840 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
1841 | { | |
1842 | /* We already have an output section statement with this | |
1843 | name, and its bfd section has compatible flags. | |
1844 | If the section already exists but does not have any flags | |
1845 | set, then it has been created by the linker, probably as a | |
1846 | result of a --section-start command line switch. */ | |
b9c361e0 | 1847 | lang_add_section (&os->children, s, NULL, os); |
d127ecce AM |
1848 | return os; |
1849 | } | |
b5f14a6d DD |
1850 | |
1851 | /* Save unused output sections in case we can match them | |
1852 | against orphans later. */ | |
1853 | if (os->bfd_section == NULL) | |
1854 | match_by_name = os; | |
d127ecce | 1855 | } |
252b5132 | 1856 | |
b5f14a6d DD |
1857 | /* If we didn't match an active output section, see if we matched an |
1858 | unused one and use that. */ | |
1859 | if (match_by_name) | |
1860 | { | |
b9c361e0 | 1861 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
1862 | return match_by_name; |
1863 | } | |
1864 | ||
afd7a018 AM |
1865 | if (!orphan_init_done) |
1866 | { | |
1867 | struct orphan_save *ho; | |
07890c07 | 1868 | |
afd7a018 AM |
1869 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
1870 | if (ho->name != NULL) | |
1871 | { | |
1872 | ho->os = lang_output_section_find (ho->name); | |
1873 | if (ho->os != NULL && ho->os->flags == 0) | |
1874 | ho->os->flags = ho->flags; | |
1875 | } | |
1876 | orphan_init_done = 1; | |
1877 | } | |
252b5132 RH |
1878 | |
1879 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1880 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1881 | if (link_info.executable |
1049f94e | 1882 | && ! link_info.relocatable |
bcacc0f5 | 1883 | && CONST_STRNEQ (s->name, ".gnu.warning.") |
afd7a018 | 1884 | && hold[orphan_text].os != NULL) |
252b5132 | 1885 | { |
c2edb4b8 | 1886 | os = hold[orphan_text].os; |
b9c361e0 | 1887 | lang_add_section (&os->children, s, NULL, os); |
c2edb4b8 | 1888 | return os; |
252b5132 RH |
1889 | } |
1890 | ||
1891 | /* Decide which segment the section should go in based on the | |
1892 | section name and section flags. We put loadable .note sections | |
1893 | right after the .interp section, so that the PT_NOTE segment is | |
1894 | stored right after the program headers where the OS can read it | |
1895 | in the first page. */ | |
aea4bd9d | 1896 | |
71bfc0ae | 1897 | place = NULL; |
07890c07 AM |
1898 | if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0) |
1899 | place = &hold[orphan_nonalloc]; | |
1900 | else if ((s->flags & SEC_ALLOC) == 0) | |
71bfc0ae | 1901 | ; |
252b5132 | 1902 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1903 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1904 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 | 1905 | place = &hold[orphan_interp]; |
04c932a2 | 1906 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0) |
afd7a018 AM |
1907 | place = &hold[orphan_bss]; |
1908 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1909 | place = &hold[orphan_sdata]; | |
d85e71fe L |
1910 | else if ((s->flags & SEC_THREAD_LOCAL) != 0) |
1911 | place = &hold[orphan_tdata]; | |
afd7a018 AM |
1912 | else if ((s->flags & SEC_READONLY) == 0) |
1913 | place = &hold[orphan_data]; | |
ecca9871 | 1914 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1915 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1916 | && (s->flags & SEC_LOAD) != 0) |
1917 | place = &hold[orphan_rel]; | |
1918 | else if ((s->flags & SEC_CODE) == 0) | |
1919 | place = &hold[orphan_rodata]; | |
1920 | else | |
1921 | place = &hold[orphan_text]; | |
71bfc0ae | 1922 | |
afd7a018 | 1923 | after = NULL; |
5ba47421 | 1924 | if (place != NULL) |
252b5132 | 1925 | { |
afd7a018 | 1926 | if (place->os == NULL) |
5ba47421 | 1927 | { |
afd7a018 AM |
1928 | if (place->name != NULL) |
1929 | place->os = lang_output_section_find (place->name); | |
1930 | else | |
1931 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1932 | } |
afd7a018 AM |
1933 | after = place->os; |
1934 | if (after == NULL) | |
390fbbf1 AM |
1935 | after = lang_output_section_find_by_flags |
1936 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1937 | if (after == NULL) |
1938 | /* *ABS* is always the first output section statement. */ | |
1939 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1940 | } |
1941 | ||
c2edb4b8 | 1942 | return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL); |
252b5132 | 1943 | } |
c56feb2b AM |
1944 | EOF |
1945 | fi | |
1946 | ||
eaeb0a9d | 1947 | if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then |
92b93329 | 1948 | fragment <<EOF |
252b5132 | 1949 | |
deb04cdb | 1950 | static void |
eaeb0a9d | 1951 | gld${EMULATION_NAME}_after_allocation (void) |
deb04cdb | 1952 | { |
75938853 AM |
1953 | int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info); |
1954 | ||
1955 | if (need_layout < 0) | |
1956 | einfo ("%X%P: .eh_frame/.stab edit: %E\n"); | |
1957 | else | |
1958 | gld${EMULATION_NAME}_map_segments (need_layout); | |
73d074b4 | 1959 | } |
41392f03 AM |
1960 | EOF |
1961 | fi | |
1962 | ||
1963 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
92b93329 | 1964 | fragment <<EOF |
252b5132 RH |
1965 | |
1966 | static char * | |
0c7a8e5a | 1967 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1968 | EOF |
1969 | ||
7225345d | 1970 | if test x"$COMPILE_IN" = xyes |
252b5132 RH |
1971 | then |
1972 | # Scripts compiled in. | |
1973 | ||
1974 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1975 | sc="-f stringify.sed" |
252b5132 | 1976 | |
92b93329 | 1977 | fragment <<EOF |
60bcf0fa | 1978 | { |
252b5132 RH |
1979 | *isfile = 0; |
1980 | ||
1049f94e | 1981 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1982 | return |
252b5132 | 1983 | EOF |
afd7a018 AM |
1984 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1985 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1986 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1987 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1988 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1989 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1990 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1991 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1992 | fi |
36af4a4e JJ |
1993 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1994 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1995 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1996 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 1997 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1998 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1999 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2000 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 2001 | fi |
afd7a018 AM |
2002 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
2003 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 2004 | fi |
252b5132 | 2005 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 2006 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
2007 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
2008 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 2009 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2010 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 2011 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2012 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 2013 | fi |
afd7a018 AM |
2014 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
2015 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 2016 | fi |
82434356 | 2017 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b | 2018 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2019 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 AM |
2020 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
2021 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
2022 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 2023 | fi |
afd7a018 AM |
2024 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2025 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2026 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
2027 | |
2028 | else | |
2029 | # Scripts read from the filesystem. | |
2030 | ||
92b93329 | 2031 | fragment <<EOF |
60bcf0fa | 2032 | { |
252b5132 RH |
2033 | *isfile = 1; |
2034 | ||
1049f94e | 2035 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 2036 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 2037 | else if (link_info.relocatable) |
252b5132 RH |
2038 | return "ldscripts/${EMULATION_NAME}.xr"; |
2039 | else if (!config.text_read_only) | |
2040 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
2041 | EOF |
2042 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
2043 | else | |
92b93329 | 2044 | fragment <<EOF |
252b5132 RH |
2045 | else if (!config.magic_demand_paged) |
2046 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
2047 | EOF |
2048 | fi | |
36af4a4e JJ |
2049 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2050 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2051 | fragment <<EOF |
8c37241b | 2052 | else if (link_info.pie && link_info.combreloc |
fbfca19e | 2053 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2054 | return "ldscripts/${EMULATION_NAME}.xdw"; |
36af4a4e JJ |
2055 | else if (link_info.pie && link_info.combreloc) |
2056 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
2057 | EOF | |
2058 | fi | |
92b93329 | 2059 | fragment <<EOF |
36af4a4e JJ |
2060 | else if (link_info.pie) |
2061 | return "ldscripts/${EMULATION_NAME}.xd"; | |
2062 | EOF | |
2063 | fi | |
a060b769 AM |
2064 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
2065 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2066 | fragment <<EOF |
8c37241b | 2067 | else if (link_info.shared && link_info.combreloc |
fbfca19e | 2068 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2069 | return "ldscripts/${EMULATION_NAME}.xsw"; |
a060b769 AM |
2070 | else if (link_info.shared && link_info.combreloc) |
2071 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
2072 | EOF | |
2073 | fi | |
92b93329 | 2074 | fragment <<EOF |
252b5132 RH |
2075 | else if (link_info.shared) |
2076 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
2077 | EOF |
2078 | fi | |
2079 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2080 | fragment <<EOF |
8c37241b | 2081 | else if (link_info.combreloc && link_info.relro |
fbfca19e | 2082 | && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2083 | return "ldscripts/${EMULATION_NAME}.xw"; |
a060b769 AM |
2084 | else if (link_info.combreloc) |
2085 | return "ldscripts/${EMULATION_NAME}.xc"; | |
2086 | EOF | |
2087 | fi | |
92b93329 | 2088 | fragment <<EOF |
252b5132 RH |
2089 | else |
2090 | return "ldscripts/${EMULATION_NAME}.x"; | |
2091 | } | |
252b5132 | 2092 | |
3b108066 | 2093 | EOF |
41392f03 AM |
2094 | fi |
2095 | fi | |
3b108066 | 2096 | |
e0ee487b | 2097 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
92b93329 | 2098 | fragment <<EOF |
e0ee487b L |
2099 | $PARSE_AND_LIST_PROLOGUE |
2100 | EOF | |
2101 | fi | |
2102 | ||
92b93329 | 2103 | fragment <<EOF |
e0ee487b | 2104 | |
6c1439be L |
2105 | #define OPTION_DISABLE_NEW_DTAGS (400) |
2106 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 2107 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 2108 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 2109 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 2110 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
c0065db7 | 2111 | #define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1) |
7ee314fa | 2112 | #define OPTION_AUDIT (OPTION_BUILD_ID + 1) |
0ce398f1 | 2113 | #define OPTION_COMPRESS_DEBUG (OPTION_AUDIT + 1) |
e13629bc | 2114 | |
3bcf5557 | 2115 | static void |
0c7a8e5a AM |
2116 | gld${EMULATION_NAME}_add_options |
2117 | (int ns, char **shortopts, int nl, struct option **longopts, | |
2118 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 2119 | { |
fb42df5e AM |
2120 | EOF |
2121 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2122 | fragment <<EOF | |
7ee314fa | 2123 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; |
fb42df5e AM |
2124 | EOF |
2125 | else | |
2126 | fragment <<EOF | |
2127 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; | |
2128 | EOF | |
2129 | fi | |
2130 | fragment <<EOF | |
3bcf5557 | 2131 | static const struct option xtra_long[] = { |
fb42df5e AM |
2132 | EOF |
2133 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2134 | fragment <<EOF | |
7ee314fa | 2135 | {"audit", required_argument, NULL, OPTION_AUDIT}, |
fb42df5e AM |
2136 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
2137 | EOF | |
2138 | fi | |
2139 | fragment <<EOF | |
2140 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, | |
0ce398f1 | 2141 | {"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG}, |
e0ee487b | 2142 | EOF |
e0ee487b | 2143 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2144 | fragment <<EOF |
fb42df5e | 2145 | {"depaudit", required_argument, NULL, 'P'}, |
3bcf5557 AM |
2146 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
2147 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
2148 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 2149 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 2150 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
e0ee487b L |
2151 | EOF |
2152 | fi | |
e0ee487b | 2153 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then |
92b93329 | 2154 | fragment <<EOF |
3bcf5557 | 2155 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
2156 | EOF |
2157 | fi | |
92b93329 | 2158 | fragment <<EOF |
3bcf5557 AM |
2159 | {NULL, no_argument, NULL, 0} |
2160 | }; | |
2161 | ||
2162 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
2163 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
2164 | *longopts = (struct option *) | |
2165 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
2166 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
2167 | } | |
04925e1e | 2168 | |
24382dca | 2169 | #define DEFAULT_BUILD_ID_STYLE "sha1" |
c0065db7 | 2170 | |
3bcf5557 | 2171 | static bfd_boolean |
0c7a8e5a | 2172 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 2173 | { |
e0ee487b L |
2174 | switch (optc) |
2175 | { | |
2176 | default: | |
3bcf5557 | 2177 | return FALSE; |
6c1439be | 2178 | |
c0065db7 | 2179 | case OPTION_BUILD_ID: |
30e8ee25 | 2180 | if (emit_note_gnu_build_id != NULL) |
c0065db7 | 2181 | { |
30e8ee25 AM |
2182 | free ((char *) emit_note_gnu_build_id); |
2183 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
2184 | } |
2185 | if (optarg == NULL) | |
2186 | optarg = DEFAULT_BUILD_ID_STYLE; | |
2187 | if (strcmp (optarg, "none")) | |
30e8ee25 | 2188 | emit_note_gnu_build_id = xstrdup (optarg); |
c0065db7 | 2189 | break; |
fb42df5e | 2190 | |
0ce398f1 L |
2191 | case OPTION_COMPRESS_DEBUG: |
2192 | if (strcasecmp (optarg, "none") == 0) | |
2193 | link_info.compress_debug = COMPRESS_DEBUG_NONE; | |
2194 | else if (strcasecmp (optarg, "zlib") == 0) | |
2195 | link_info.compress_debug = COMPRESS_DEBUG_ZLIB; | |
2196 | else if (strcasecmp (optarg, "zlib-gnu") == 0) | |
2197 | link_info.compress_debug = COMPRESS_DEBUG_GNU_ZLIB; | |
2198 | else if (strcasecmp (optarg, "zlib-gabi") == 0) | |
2199 | link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB; | |
2200 | else | |
2201 | einfo (_("%P%F: invalid --compress-debug-sections option: \`%s'\n"), | |
2202 | optarg); | |
2203 | break; | |
fb42df5e AM |
2204 | EOF |
2205 | ||
2206 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2207 | fragment <<EOF | |
7ee314fa | 2208 | case OPTION_AUDIT: |
4724d37e | 2209 | gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); |
7ee314fa | 2210 | break; |
fb42df5e | 2211 | |
7ee314fa AM |
2212 | case 'P': |
2213 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); | |
2214 | break; | |
c0065db7 | 2215 | |
6c1439be | 2216 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 2217 | link_info.new_dtags = FALSE; |
6c1439be L |
2218 | break; |
2219 | ||
2220 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 2221 | link_info.new_dtags = TRUE; |
6c1439be L |
2222 | break; |
2223 | ||
65765700 | 2224 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 2225 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
2226 | break; |
2227 | ||
a1ab1d2a UD |
2228 | case OPTION_GROUP: |
2229 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
2230 | /* Groups must be self-contained. */ | |
560e09e9 NC |
2231 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
2232 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
2233 | break; |
2234 | ||
b58f81ae DJ |
2235 | case OPTION_EXCLUDE_LIBS: |
2236 | add_excluded_libs (optarg); | |
2237 | break; | |
2238 | ||
fdc90cb4 JJ |
2239 | case OPTION_HASH_STYLE: |
2240 | link_info.emit_hash = FALSE; | |
2241 | link_info.emit_gnu_hash = FALSE; | |
2242 | if (strcmp (optarg, "sysv") == 0) | |
2243 | link_info.emit_hash = TRUE; | |
2244 | else if (strcmp (optarg, "gnu") == 0) | |
2245 | link_info.emit_gnu_hash = TRUE; | |
2246 | else if (strcmp (optarg, "both") == 0) | |
2247 | { | |
2248 | link_info.emit_hash = TRUE; | |
2249 | link_info.emit_gnu_hash = TRUE; | |
2250 | } | |
2251 | else | |
2252 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
2253 | break; | |
2254 | ||
fb42df5e AM |
2255 | EOF |
2256 | fi | |
2257 | fragment <<EOF | |
e0ee487b | 2258 | case 'z': |
fb42df5e AM |
2259 | if (strcmp (optarg, "defs") == 0) |
2260 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; | |
2261 | else if (strcmp (optarg, "muldefs") == 0) | |
2262 | link_info.allow_multiple_definition = TRUE; | |
2263 | else if (CONST_STRNEQ (optarg, "max-page-size=")) | |
2264 | { | |
2265 | char *end; | |
2266 | ||
2267 | config.maxpagesize = strtoul (optarg + 14, &end, 0); | |
2268 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) | |
2269 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), | |
2270 | optarg + 14); | |
2271 | } | |
2272 | else if (CONST_STRNEQ (optarg, "common-page-size=")) | |
2273 | { | |
2274 | char *end; | |
2275 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
2276 | if (*end | |
2277 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
2278 | einfo (_("%P%F: invalid common page size \`%s'\n"), | |
2279 | optarg + 17); | |
2280 | } | |
04c3a755 NS |
2281 | else if (CONST_STRNEQ (optarg, "stack-size=")) |
2282 | { | |
2283 | char *end; | |
2284 | link_info.stacksize = strtoul (optarg + 11, &end, 0); | |
2285 | if (*end || link_info.stacksize < 0) | |
2286 | einfo (_("%P%F: invalid stack size \`%s'\n"), optarg + 11); | |
2287 | if (!link_info.stacksize) | |
2288 | /* Use -1 for explicit no-stack, because zero means | |
2289 | 'default'. */ | |
2290 | link_info.stacksize = -1; | |
2291 | } | |
fb42df5e AM |
2292 | else if (strcmp (optarg, "execstack") == 0) |
2293 | { | |
2294 | link_info.execstack = TRUE; | |
2295 | link_info.noexecstack = FALSE; | |
2296 | } | |
2297 | else if (strcmp (optarg, "noexecstack") == 0) | |
2298 | { | |
2299 | link_info.noexecstack = TRUE; | |
2300 | link_info.execstack = FALSE; | |
2301 | } | |
2302 | EOF | |
d258b828 | 2303 | |
fb42df5e AM |
2304 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
2305 | fragment <<EOF | |
b039ef04 L |
2306 | else if (strcmp (optarg, "global") == 0) |
2307 | link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL; | |
fb42df5e | 2308 | else if (strcmp (optarg, "initfirst") == 0) |
e0ee487b L |
2309 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; |
2310 | else if (strcmp (optarg, "interpose") == 0) | |
2311 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
2312 | else if (strcmp (optarg, "loadfltr") == 0) | |
2313 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
2314 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
2315 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
2316 | else if (strcmp (optarg, "nodelete") == 0) | |
2317 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
2318 | else if (strcmp (optarg, "nodlopen") == 0) | |
2319 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
2320 | else if (strcmp (optarg, "nodump") == 0) | |
2321 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
2322 | else if (strcmp (optarg, "now") == 0) | |
2323 | { | |
2324 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
2325 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
2326 | } | |
5fa222e4 AM |
2327 | else if (strcmp (optarg, "lazy") == 0) |
2328 | { | |
2329 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
2330 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
2331 | } | |
e0ee487b L |
2332 | else if (strcmp (optarg, "origin") == 0) |
2333 | { | |
2334 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
2335 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
2336 | } | |
db6751f2 | 2337 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 2338 | link_info.combreloc = TRUE; |
db6751f2 | 2339 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 2340 | link_info.combreloc = FALSE; |
8bd621d8 | 2341 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 2342 | link_info.nocopyreloc = TRUE; |
8c37241b JJ |
2343 | else if (strcmp (optarg, "relro") == 0) |
2344 | link_info.relro = TRUE; | |
2345 | else if (strcmp (optarg, "norelro") == 0) | |
2346 | link_info.relro = FALSE; | |
c192a133 AM |
2347 | else if (strcmp (optarg, "text") == 0) |
2348 | link_info.error_textrel = TRUE; | |
2349 | else if (strcmp (optarg, "notext") == 0) | |
2350 | link_info.error_textrel = FALSE; | |
2351 | else if (strcmp (optarg, "textoff") == 0) | |
2352 | link_info.error_textrel = FALSE; | |
88b882e9 | 2353 | EOF |
fb42df5e | 2354 | fi |
88b882e9 | 2355 | |
eba27bd7 L |
2356 | if test -n "$PARSE_AND_LIST_ARGS_CASE_Z" ; then |
2357 | fragment <<EOF | |
2358 | $PARSE_AND_LIST_ARGS_CASE_Z | |
2359 | EOF | |
2360 | fi | |
2361 | ||
92b93329 | 2362 | fragment <<EOF |
fb42df5e AM |
2363 | else |
2364 | einfo (_("%P: warning: -z %s ignored.\n"), optarg); | |
6c1439be | 2365 | break; |
e0ee487b | 2366 | EOF |
e0ee487b L |
2367 | |
2368 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
92b93329 | 2369 | fragment <<EOF |
e0ee487b L |
2370 | $PARSE_AND_LIST_ARGS_CASES |
2371 | EOF | |
2372 | fi | |
2373 | ||
92b93329 | 2374 | fragment <<EOF |
e0ee487b L |
2375 | } |
2376 | ||
3bcf5557 | 2377 | return TRUE; |
e0ee487b L |
2378 | } |
2379 | ||
41392f03 | 2380 | EOF |
41392f03 | 2381 | |
4b209b22 | 2382 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
c58212ea | 2383 | gld_list_options="gld${EMULATION_NAME}_list_options" |
eba27bd7 | 2384 | if test -n "$PARSE_AND_LIST_OPTIONS"; then |
92b93329 | 2385 | fragment <<EOF |
41392f03 | 2386 | |
e0ee487b | 2387 | static void |
0c7a8e5a | 2388 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b | 2389 | { |
fb42df5e | 2390 | EOF |
e0ee487b L |
2391 | |
2392 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
92b93329 | 2393 | fragment <<EOF |
e0ee487b L |
2394 | $PARSE_AND_LIST_OPTIONS |
2395 | EOF | |
2396 | fi | |
2397 | ||
92b93329 | 2398 | fragment <<EOF |
e0ee487b L |
2399 | } |
2400 | EOF | |
c58212ea L |
2401 | else |
2402 | gld_list_options="NULL" | |
2403 | fi | |
e0ee487b L |
2404 | |
2405 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
92b93329 | 2406 | fragment <<EOF |
e0ee487b L |
2407 | $PARSE_AND_LIST_EPILOGUE |
2408 | EOF | |
2409 | fi | |
41392f03 | 2410 | fi |
e0ee487b | 2411 | |
92b93329 | 2412 | fragment <<EOF |
252b5132 | 2413 | |
60bcf0fa | 2414 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2415 | { |
41392f03 AM |
2416 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2417 | ${LDEMUL_SYSLIB-syslib_default}, | |
2418 | ${LDEMUL_HLL-hll_default}, | |
eeaa4577 | 2419 | ${LDEMUL_AFTER_PARSE-after_parse_default}, |
41392f03 | 2420 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, |
eaeb0a9d | 2421 | ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, |
41392f03 AM |
2422 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
2423 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2424 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2425 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2426 | "${EMULATION_NAME}", |
2427 | "${OUTPUT_FORMAT}", | |
eaeb0a9d | 2428 | ${LDEMUL_FINISH-finish_default}, |
41392f03 AM |
2429 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2430 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2431 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2432 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2433 | ${LDEMUL_PARSE_ARGS-NULL}, |
2434 | gld${EMULATION_NAME}_add_options, | |
2435 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2436 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
c58212ea | 2437 | ${LDEMUL_LIST_OPTIONS-${gld_list_options}}, |
4a43e768 | 2438 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2439 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
7a2f2d82 DD |
2440 | ${LDEMUL_NEW_VERS_PATTERN-NULL}, |
2441 | ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL} | |
252b5132 RH |
2442 | }; |
2443 | EOF |