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 ${EMULATION_NAME} | |
4b95cf5c | 15 | Copyright (C) 1991-2014 Free Software Foundation, Inc. |
252b5132 RH |
16 | Written by Steve Chamberlain <sac@cygnus.com> |
17 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
18 | ||
f96b4a7b NC |
19 | This file is part of the GNU Binutils. |
20 | ||
21 | This program is free software; you can redistribute it and/or modify | |
22 | it under the terms of the GNU General Public License as published by | |
23 | the Free Software Foundation; either version 3 of the License, or | |
24 | (at your option) any later version. | |
25 | ||
26 | This program is distributed in the hope that it will be useful, | |
27 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
28 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
29 | GNU General Public License for more details. | |
30 | ||
31 | You should have received a copy of the GNU General Public License | |
32 | along with this program; if not, write to the Free Software | |
33 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
34 | MA 02110-1301, USA. */ | |
252b5132 RH |
35 | |
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
252b5132 | 38 | #include "sysdep.h" |
3db64b00 | 39 | #include "bfd.h" |
1c9acd94 | 40 | #include "libiberty.h" |
42627821 | 41 | #include "filenames.h" |
fcf65871 | 42 | #include "getopt.h" |
24382dca | 43 | #include <fcntl.h> |
252b5132 RH |
44 | |
45 | #include "bfdlink.h" | |
46 | ||
47 | #include "ld.h" | |
48 | #include "ldmain.h" | |
252b5132 RH |
49 | #include "ldmisc.h" |
50 | #include "ldexp.h" | |
51 | #include "ldlang.h" | |
b71e2778 AM |
52 | #include "ldfile.h" |
53 | #include "ldemul.h" | |
61e2488c | 54 | #include "ldbuildid.h" |
df2a7313 | 55 | #include <ldgram.h> |
e0ee487b | 56 | #include "elf/common.h" |
ecca9871 | 57 | #include "elf-bfd.h" |
07f1e47a | 58 | #include "filenames.h" |
252b5132 | 59 | |
0c7a8e5a AM |
60 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
61 | static void gld${EMULATION_NAME}_before_parse (void); | |
62 | static void gld${EMULATION_NAME}_after_open (void); | |
63 | static void gld${EMULATION_NAME}_before_allocation (void); | |
eaeb0a9d | 64 | static void gld${EMULATION_NAME}_after_allocation (void); |
c2edb4b8 | 65 | static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan |
8a99a385 | 66 | (asection *, const char *, int); |
41392f03 AM |
67 | EOF |
68 | ||
d3989512 JJ |
69 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
70 | case ${target} in | |
a5244b7e | 71 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 72 | fragment <<EOF |
0b48acfe | 73 | #ifdef HAVE_GLOB |
d3989512 | 74 | #include <glob.h> |
0b48acfe | 75 | #endif |
d3989512 JJ |
76 | EOF |
77 | ;; | |
78 | esac | |
79 | fi | |
80 | ||
41392f03 AM |
81 | # Import any needed special functions and/or overrides. |
82 | # | |
92b93329 | 83 | source_em ${srcdir}/emultempl/elf-generic.em |
41392f03 | 84 | if test -n "$EXTRA_EM_FILE" ; then |
92b93329 | 85 | source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em |
41392f03 AM |
86 | fi |
87 | ||
f813923c | 88 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
89 | # variables. If the name of the overriding function is the same as is |
90 | # defined in this file, then don't output this file's version. | |
91 | # If a different overriding name is given then output the standard function | |
92 | # as presumably it is called from the overriding function. | |
93 | # | |
94 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
92b93329 | 95 | fragment <<EOF |
41392f03 | 96 | |
252b5132 | 97 | static void |
0c7a8e5a | 98 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 99 | { |
5e2f1575 | 100 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
66be1055 | 101 | input_flags.dynamic = ${DYNAMIC_LINK-TRUE}; |
b34976b6 | 102 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; |
4724d37e | 103 | config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`; |
663fa543 L |
104 | } |
105 | ||
822b8bf4 | 106 | EOF |
663fa543 | 107 | fi |
822b8bf4 | 108 | |
4a43e768 | 109 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
92b93329 | 110 | fragment <<EOF |
ddbb8a31 | 111 | /* Handle the generation of DT_NEEDED tags. */ |
4a43e768 AM |
112 | |
113 | static bfd_boolean | |
114 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
115 | { | |
96d56e9f | 116 | int link_class = 0; |
4a43e768 AM |
117 | |
118 | /* Tell the ELF linker that we don't want the output file to have a | |
119 | DT_NEEDED entry for this file, unless it is used to resolve | |
120 | references in a regular object. */ | |
66be1055 | 121 | if (entry->flags.add_DT_NEEDED_for_regular) |
96d56e9f | 122 | link_class = DYN_AS_NEEDED; |
e56f61be L |
123 | |
124 | /* Tell the ELF linker that we don't want the output file to have a | |
125 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
126 | this file at all. */ | |
66be1055 | 127 | if (!entry->flags.add_DT_NEEDED_for_dynamic) |
96d56e9f | 128 | link_class |= DYN_NO_ADD_NEEDED; |
e56f61be | 129 | |
66be1055 | 130 | if (entry->flags.just_syms |
12b9ff6c L |
131 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) |
132 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
133 | entry->the_bfd); | |
134 | ||
ddbb8a31 | 135 | if (link_class == 0 |
e56f61be L |
136 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) |
137 | return FALSE; | |
138 | ||
1e9cc1c2 | 139 | bfd_elf_set_dyn_lib_class (entry->the_bfd, |
4724d37e | 140 | (enum dynamic_lib_link_class) link_class); |
4a43e768 AM |
141 | |
142 | /* Continue on with normal load_symbols processing. */ | |
143 | return FALSE; | |
144 | } | |
145 | EOF | |
146 | fi | |
147 | ||
92b93329 | 148 | fragment <<EOF |
252b5132 RH |
149 | |
150 | /* These variables are required to pass information back and forth | |
151 | between after_open and check_needed and stat_needed and vercheck. */ | |
152 | ||
153 | static struct bfd_link_needed_list *global_needed; | |
154 | static struct stat global_stat; | |
e13629bc | 155 | static lang_input_statement_type *global_found; |
252b5132 | 156 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 157 | static bfd_boolean global_vercheck_failed; |
252b5132 | 158 | |
7ee314fa AM |
159 | /* These variables are used to implement target options */ |
160 | ||
161 | static char *audit; /* colon (typically) separated list of libs */ | |
162 | static char *depaudit; /* colon (typically) separated list of libs */ | |
252b5132 | 163 | |
30e8ee25 AM |
164 | /* Style of .note.gnu.build-id section. */ |
165 | static const char *emit_note_gnu_build_id; | |
166 | ||
04925e1e AM |
167 | /* On Linux, it's possible to have different versions of the same |
168 | shared library linked against different versions of libc. The | |
169 | dynamic linker somehow tags which libc version to use in | |
170 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
171 | executable, chooses which version of the shared library to use. | |
252b5132 | 172 | |
04925e1e AM |
173 | We try to do a similar check here by checking whether this shared |
174 | library needs any other shared libraries which may conflict with | |
175 | libraries we have already included in the link. If it does, we | |
176 | skip it, and try to find another shared library farther on down the | |
177 | link path. | |
252b5132 | 178 | |
04925e1e AM |
179 | This is called via lang_for_each_input_file. |
180 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 181 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 182 | a conflicting version. */ |
252b5132 | 183 | |
04925e1e | 184 | static void |
0c7a8e5a | 185 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 186 | { |
1c9acd94 | 187 | const char *soname; |
04925e1e | 188 | struct bfd_link_needed_list *l; |
252b5132 | 189 | |
04925e1e AM |
190 | if (global_vercheck_failed) |
191 | return; | |
192 | if (s->the_bfd == NULL | |
193 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
194 | return; | |
252b5132 | 195 | |
04925e1e AM |
196 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
197 | if (soname == NULL) | |
fed2999d | 198 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
199 | |
200 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
201 | { | |
202 | const char *suffix; | |
203 | ||
42627821 | 204 | if (filename_cmp (soname, l->name) == 0) |
04925e1e AM |
205 | { |
206 | /* Probably can't happen, but it's an easy check. */ | |
207 | continue; | |
252b5132 RH |
208 | } |
209 | ||
04925e1e | 210 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
211 | continue; |
212 | ||
04925e1e AM |
213 | suffix = strstr (l->name, ".so."); |
214 | if (suffix == NULL) | |
215 | continue; | |
216 | ||
217 | suffix += sizeof ".so." - 1; | |
218 | ||
42627821 | 219 | if (filename_ncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
220 | { |
221 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
222 | the object we are considering needs a dynamic object |
223 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
224 | appears to be a version mismatch, so we tell the caller | |
225 | to try a different version of this library. */ | |
b34976b6 | 226 | global_vercheck_failed = TRUE; |
04925e1e AM |
227 | return; |
228 | } | |
252b5132 RH |
229 | } |
230 | } | |
231 | ||
252b5132 | 232 | |
04925e1e AM |
233 | /* See if an input file matches a DT_NEEDED entry by running stat on |
234 | the file. */ | |
235 | ||
236 | static void | |
0c7a8e5a | 237 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 238 | { |
04925e1e AM |
239 | struct stat st; |
240 | const char *suffix; | |
241 | const char *soname; | |
252b5132 | 242 | |
e13629bc | 243 | if (global_found != NULL) |
04925e1e AM |
244 | return; |
245 | if (s->the_bfd == NULL) | |
246 | return; | |
e13629bc AM |
247 | |
248 | /* If this input file was an as-needed entry, and wasn't found to be | |
249 | needed at the stage it was linked, then don't say we have loaded it. */ | |
250 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 251 | return; |
04925e1e AM |
252 | |
253 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 254 | { |
04925e1e AM |
255 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
256 | return; | |
257 | } | |
252b5132 | 258 | |
9eabd475 ZW |
259 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
260 | st_ino; they always set it to zero. (Windows does provide a | |
261 | meaningful st_dev.) Do not indicate a duplicate library in that | |
262 | case. While there is no guarantee that a system that provides | |
263 | meaningful inode numbers will never set st_ino to zero, this is | |
264 | merely an optimization, so we do not need to worry about false | |
265 | negatives. */ | |
04925e1e | 266 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
267 | && st.st_ino == global_stat.st_ino |
268 | && st.st_ino != 0) | |
04925e1e | 269 | { |
e13629bc | 270 | global_found = s; |
04925e1e AM |
271 | return; |
272 | } | |
252b5132 | 273 | |
04925e1e AM |
274 | /* We issue a warning if it looks like we are including two |
275 | different versions of the same shared library. For example, | |
276 | there may be a problem if -lc picks up libc.so.6 but some other | |
277 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 278 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
279 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
280 | If we really want to issue warnings about mixing version numbers | |
281 | of shared libraries, we need to find a better way. */ | |
252b5132 | 282 | |
04925e1e AM |
283 | if (strchr (global_needed->name, '/') != NULL) |
284 | return; | |
285 | suffix = strstr (global_needed->name, ".so."); | |
286 | if (suffix == NULL) | |
287 | return; | |
288 | suffix += sizeof ".so." - 1; | |
252b5132 | 289 | |
04925e1e AM |
290 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
291 | if (soname == NULL) | |
fed2999d | 292 | soname = lbasename (s->filename); |
252b5132 | 293 | |
42627821 | 294 | if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 295 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 296 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
297 | } |
298 | ||
e56f61be L |
299 | struct dt_needed |
300 | { | |
301 | bfd *by; | |
302 | const char *name; | |
303 | }; | |
04925e1e | 304 | |
252b5132 RH |
305 | /* This function is called for each possible name for a dynamic object |
306 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
307 | to skip the check for a conflicting version. */ | |
308 | ||
b34976b6 | 309 | static bfd_boolean |
e56f61be L |
310 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
311 | int force) | |
252b5132 RH |
312 | { |
313 | bfd *abfd; | |
e56f61be | 314 | const char *name = needed->name; |
ec4eb78a | 315 | const char *soname; |
96d56e9f | 316 | int link_class; |
252b5132 | 317 | |
f13a99db | 318 | abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd)); |
252b5132 | 319 | if (abfd == NULL) |
b34976b6 | 320 | return FALSE; |
4a114e3e L |
321 | |
322 | /* Linker needs to decompress sections. */ | |
323 | abfd->flags |= BFD_DECOMPRESS; | |
324 | ||
252b5132 RH |
325 | if (! bfd_check_format (abfd, bfd_object)) |
326 | { | |
cde43e70 | 327 | bfd_close (abfd); |
b34976b6 | 328 | return FALSE; |
252b5132 RH |
329 | } |
330 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
331 | { | |
cde43e70 | 332 | bfd_close (abfd); |
b34976b6 | 333 | return FALSE; |
252b5132 RH |
334 | } |
335 | ||
c4bb8067 | 336 | /* For DT_NEEDED, they have to match. */ |
f13a99db | 337 | if (abfd->xvec != link_info.output_bfd->xvec) |
c4bb8067 L |
338 | { |
339 | bfd_close (abfd); | |
b34976b6 | 340 | return FALSE; |
c4bb8067 L |
341 | } |
342 | ||
252b5132 RH |
343 | /* Check whether this object would include any conflicting library |
344 | versions. If FORCE is set, then we skip this check; we use this | |
345 | the second time around, if we couldn't find any compatible | |
346 | instance of the shared library. */ | |
347 | ||
348 | if (! force) | |
349 | { | |
91d6fa6a | 350 | struct bfd_link_needed_list *needs; |
252b5132 | 351 | |
91d6fa6a | 352 | if (! bfd_elf_get_bfd_needed_list (abfd, &needs)) |
252b5132 RH |
353 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); |
354 | ||
91d6fa6a | 355 | if (needs != NULL) |
252b5132 | 356 | { |
91d6fa6a | 357 | global_vercheck_needed = needs; |
b34976b6 | 358 | global_vercheck_failed = FALSE; |
252b5132 RH |
359 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
360 | if (global_vercheck_failed) | |
361 | { | |
cde43e70 | 362 | bfd_close (abfd); |
b34976b6 | 363 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 364 | another file on the search path. */ |
b34976b6 | 365 | return FALSE; |
252b5132 RH |
366 | } |
367 | ||
368 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
369 | library does not use libc at all, we are supposed to skip |
370 | it the first time around in case we encounter a shared | |
371 | library later on with the same name which does use the | |
372 | version of libc that we want. This is much too horrible | |
373 | to use on any system other than Linux. */ | |
252b5132 RH |
374 | |
375 | EOF | |
376 | case ${target} in | |
a5244b7e | 377 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 378 | fragment <<EOF |
252b5132 RH |
379 | { |
380 | struct bfd_link_needed_list *l; | |
381 | ||
91d6fa6a | 382 | for (l = needs; l != NULL; l = l->next) |
0112cd26 | 383 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
384 | break; |
385 | if (l == NULL) | |
386 | { | |
cde43e70 | 387 | bfd_close (abfd); |
b34976b6 | 388 | return FALSE; |
252b5132 RH |
389 | } |
390 | } | |
391 | ||
392 | EOF | |
393 | ;; | |
394 | esac | |
92b93329 | 395 | fragment <<EOF |
252b5132 RH |
396 | } |
397 | } | |
398 | ||
399 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
400 | ||
04925e1e AM |
401 | /* We have already checked that there is no other input file of the |
402 | same name. We must now check again that we are not including the | |
403 | same file twice. We need to do this because on many systems | |
404 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
405 | reference libc.so.1. If we have already included libc.so, we | |
406 | don't want to include libc.so.1 if they are the same file, and we | |
407 | can only check that using stat. */ | |
408 | ||
409 | if (bfd_stat (abfd, &global_stat) != 0) | |
410 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
411 | |
412 | /* First strip off everything before the last '/'. */ | |
fed2999d | 413 | soname = lbasename (abfd->filename); |
ec4eb78a | 414 | |
cd6f1cf3 | 415 | if (verbose) |
ec4eb78a L |
416 | info_msg (_("found %s at %s\n"), soname, name); |
417 | ||
e13629bc | 418 | global_found = NULL; |
04925e1e | 419 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 420 | if (global_found != NULL) |
04925e1e | 421 | { |
b34976b6 | 422 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 423 | we aren't going to do anything with it. */ |
b34976b6 | 424 | return TRUE; |
04925e1e AM |
425 | } |
426 | ||
4a43e768 AM |
427 | /* Specify the soname to use. */ |
428 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 429 | |
4a43e768 AM |
430 | /* Tell the ELF linker that we don't want the output file to have a |
431 | DT_NEEDED entry for this file, unless it is used to resolve | |
432 | references in a regular object. */ | |
96d56e9f | 433 | link_class = DYN_DT_NEEDED; |
e56f61be L |
434 | |
435 | /* Tell the ELF linker that we don't want the output file to have a | |
436 | DT_NEEDED entry for this file at all if the entry is from a file | |
437 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
438 | if (needed->by != NULL |
439 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
96d56e9f | 440 | link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
e56f61be | 441 | |
1e9cc1c2 | 442 | bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class); |
04925e1e AM |
443 | |
444 | /* Add this file into the symbol table. */ | |
445 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
8ff4c1f3 | 446 | einfo ("%F%B: error adding symbols: %E\n", abfd); |
04925e1e | 447 | |
b34976b6 | 448 | return TRUE; |
04925e1e AM |
449 | } |
450 | ||
451 | ||
452 | /* Search for a needed file in a path. */ | |
453 | ||
b34976b6 | 454 | static bfd_boolean |
e56f61be L |
455 | gld${EMULATION_NAME}_search_needed (const char *path, |
456 | struct dt_needed *n, int force) | |
04925e1e AM |
457 | { |
458 | const char *s; | |
e56f61be | 459 | const char *name = n->name; |
04925e1e | 460 | size_t len; |
e56f61be | 461 | struct dt_needed needed; |
04925e1e | 462 | |
cc5ce052 | 463 | if (name[0] == '/') |
e56f61be | 464 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 465 | |
04925e1e | 466 | if (path == NULL || *path == '\0') |
b34976b6 | 467 | return FALSE; |
e56f61be L |
468 | |
469 | needed.by = n->by; | |
470 | needed.name = n->name; | |
471 | ||
04925e1e AM |
472 | len = strlen (name); |
473 | while (1) | |
474 | { | |
475 | char *filename, *sset; | |
476 | ||
c76308d2 | 477 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
478 | if (s == NULL) |
479 | s = path + strlen (path); | |
480 | ||
07f1e47a AM |
481 | #if HAVE_DOS_BASED_FILE_SYSTEM |
482 | /* Assume a match on the second char is part of drive specifier. */ | |
483 | else if (config.rpath_separator == ':' | |
484 | && s == path + 1 | |
485 | && ISALPHA (*path)) | |
486 | { | |
487 | s = strchr (s + 1, config.rpath_separator); | |
488 | if (s == NULL) | |
489 | s = path + strlen (path); | |
490 | } | |
491 | #endif | |
04925e1e AM |
492 | filename = (char *) xmalloc (s - path + len + 2); |
493 | if (s == path) | |
494 | sset = filename; | |
495 | else | |
496 | { | |
497 | memcpy (filename, path, s - path); | |
498 | filename[s - path] = '/'; | |
499 | sset = filename + (s - path) + 1; | |
500 | } | |
501 | strcpy (sset, name); | |
502 | ||
e56f61be L |
503 | needed.name = filename; |
504 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 505 | return TRUE; |
04925e1e AM |
506 | |
507 | free (filename); | |
508 | ||
509 | if (*s == '\0') | |
510 | break; | |
511 | path = s + 1; | |
512 | } | |
513 | ||
b34976b6 | 514 | return FALSE; |
04925e1e AM |
515 | } |
516 | ||
517 | EOF | |
9c8ebd6a | 518 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 519 | fragment <<EOF |
9c8ebd6a | 520 | |
c76308d2 RS |
521 | /* Add the sysroot to every entry in a path separated by |
522 | config.rpath_separator. */ | |
9c8ebd6a DJ |
523 | |
524 | static char * | |
0c7a8e5a | 525 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
526 | { |
527 | int len, colons, i; | |
528 | char *ret, *p; | |
529 | ||
530 | len = strlen (path); | |
531 | colons = 0; | |
532 | i = 0; | |
533 | while (path[i]) | |
c76308d2 | 534 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
535 | colons++; |
536 | ||
537 | if (path[i]) | |
538 | colons++; | |
539 | ||
42644a89 | 540 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
541 | ret = xmalloc (len + 1); |
542 | strcpy (ret, ld_sysroot); | |
543 | p = ret + strlen (ret); | |
544 | i = 0; | |
545 | while (path[i]) | |
c76308d2 | 546 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 547 | { |
0c7a8e5a | 548 | *p++ = path[i++]; |
9c8ebd6a DJ |
549 | strcpy (p, ld_sysroot); |
550 | p = p + strlen (p); | |
9c8ebd6a DJ |
551 | } |
552 | else | |
553 | *p++ = path[i++]; | |
554 | ||
555 | *p = 0; | |
556 | return ret; | |
557 | } | |
04925e1e | 558 | |
3dc16cab DJ |
559 | EOF |
560 | case ${target} in | |
ebe1fac1 | 561 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 562 | fragment <<EOF |
ebe1fac1 NC |
563 | /* Read the system search path the FreeBSD way rather than the Linux way. */ |
564 | #ifdef HAVE_ELF_HINTS_H | |
565 | #include <elf-hints.h> | |
566 | #else | |
567 | #include "elf-hints-local.h" | |
568 | #endif | |
569 | ||
570 | static bfd_boolean | |
d5c8b1f8 AM |
571 | gld${EMULATION_NAME}_check_ld_elf_hints (const struct bfd_link_needed_list *l, |
572 | int force) | |
ebe1fac1 NC |
573 | { |
574 | static bfd_boolean initialized; | |
575 | static char *ld_elf_hints; | |
576 | struct dt_needed needed; | |
577 | ||
578 | if (!initialized) | |
579 | { | |
580 | FILE *f; | |
581 | char *tmppath; | |
582 | ||
ff7a0acf | 583 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL); |
ebe1fac1 NC |
584 | f = fopen (tmppath, FOPEN_RB); |
585 | free (tmppath); | |
586 | if (f != NULL) | |
587 | { | |
588 | struct elfhints_hdr hdr; | |
589 | ||
590 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
591 | && hdr.magic == ELFHINTS_MAGIC | |
592 | && hdr.version == 1) | |
593 | { | |
594 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
595 | { | |
596 | char *b; | |
597 | ||
598 | b = xmalloc (hdr.dirlistlen + 1); | |
599 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
600 | hdr.dirlistlen + 1) | |
601 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 602 | |
ebe1fac1 NC |
603 | free (b); |
604 | } | |
605 | } | |
606 | fclose (f); | |
607 | } | |
608 | ||
609 | initialized = TRUE; | |
610 | } | |
611 | ||
612 | if (ld_elf_hints == NULL) | |
613 | return FALSE; | |
614 | ||
d5c8b1f8 AM |
615 | needed.by = l->by; |
616 | needed.name = l->name; | |
617 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, &needed, force); | |
ebe1fac1 NC |
618 | } |
619 | EOF | |
620 | # FreeBSD | |
621 | ;; | |
622 | ||
a5244b7e | 623 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 624 | fragment <<EOF |
04925e1e AM |
625 | /* For a native linker, check the file /etc/ld.so.conf for directories |
626 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 627 | only meaningful on Linux. */ |
04925e1e | 628 | |
d3989512 | 629 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 630 | { |
d3989512 JJ |
631 | char *path; |
632 | size_t len, alloc; | |
633 | }; | |
04925e1e | 634 | |
dfcffada | 635 | static bfd_boolean |
d3989512 JJ |
636 | gld${EMULATION_NAME}_parse_ld_so_conf |
637 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
638 | ||
639 | static void | |
640 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
641 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
642 | const char *pattern) | |
643 | { | |
644 | char *newp = NULL; | |
0b48acfe | 645 | #ifdef HAVE_GLOB |
d3989512 | 646 | glob_t gl; |
0b48acfe | 647 | #endif |
d3989512 JJ |
648 | |
649 | if (pattern[0] != '/') | |
04925e1e | 650 | { |
d3989512 JJ |
651 | char *p = strrchr (filename, '/'); |
652 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 653 | |
d3989512 JJ |
654 | newp = xmalloc (p - filename + 1 + patlen); |
655 | memcpy (newp, filename, p - filename + 1); | |
656 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
657 | pattern = newp; | |
658 | } | |
04925e1e | 659 | |
0b48acfe | 660 | #ifdef HAVE_GLOB |
d3989512 JJ |
661 | if (glob (pattern, 0, NULL, &gl) == 0) |
662 | { | |
663 | size_t i; | |
664 | ||
665 | for (i = 0; i < gl.gl_pathc; ++i) | |
666 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
667 | globfree (&gl); | |
668 | } | |
0b48acfe MM |
669 | #else |
670 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
671 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
672 | #endif | |
d3989512 JJ |
673 | |
674 | if (newp) | |
675 | free (newp); | |
676 | } | |
677 | ||
dfcffada | 678 | static bfd_boolean |
d3989512 JJ |
679 | gld${EMULATION_NAME}_parse_ld_so_conf |
680 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
681 | { | |
682 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
683 | char *line; |
684 | size_t linelen; | |
d3989512 JJ |
685 | |
686 | if (f == NULL) | |
dfcffada | 687 | return FALSE; |
d3989512 | 688 | |
563f4125 JJ |
689 | linelen = 256; |
690 | line = xmalloc (linelen); | |
691 | do | |
d3989512 | 692 | { |
563f4125 JJ |
693 | char *p = line, *q; |
694 | ||
695 | /* Normally this would use getline(3), but we need to be portable. */ | |
696 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
697 | && strlen (q) == linelen - (p - line) - 1 | |
698 | && line[linelen - 2] != '\n') | |
699 | { | |
700 | line = xrealloc (line, 2 * linelen); | |
701 | p = line + linelen - 1; | |
702 | linelen += linelen; | |
703 | } | |
704 | ||
705 | if (q == NULL && p == line) | |
706 | break; | |
d3989512 JJ |
707 | |
708 | p = strchr (line, '\n'); | |
709 | if (p) | |
710 | *p = '\0'; | |
711 | ||
712 | /* Because the file format does not know any form of quoting we | |
713 | can search forward for the next '#' character and if found | |
714 | make it terminating the line. */ | |
715 | p = strchr (line, '#'); | |
716 | if (p) | |
717 | *p = '\0'; | |
718 | ||
719 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
720 | p = line; | |
721 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
722 | ++p; | |
723 | ||
724 | /* If the line is blank it is ignored. */ | |
725 | if (p[0] == '\0') | |
726 | continue; | |
04925e1e | 727 | |
0112cd26 | 728 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
729 | { |
730 | char *dir, c; | |
731 | p += 8; | |
732 | do | |
04925e1e | 733 | { |
d3989512 JJ |
734 | while (*p == ' ' || *p == '\t') |
735 | ++p; | |
04925e1e | 736 | |
d3989512 JJ |
737 | if (*p == '\0') |
738 | break; | |
252b5132 | 739 | |
d3989512 JJ |
740 | dir = p; |
741 | ||
742 | while (*p != ' ' && *p != '\t' && *p) | |
743 | ++p; | |
744 | ||
745 | c = *p; | |
746 | *p++ = '\0'; | |
747 | if (dir[0] != '\0') | |
748 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
749 | dir); | |
750 | } | |
751 | while (c != '\0'); | |
752 | } | |
753 | else | |
754 | { | |
755 | char *dir = p; | |
756 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
757 | && *p != '\r' && *p != '\v') | |
758 | ++p; | |
759 | ||
760 | while (p != dir && p[-1] == '/') | |
761 | --p; | |
762 | if (info->path == NULL) | |
763 | { | |
764 | info->alloc = p - dir + 1 + 256; | |
765 | info->path = xmalloc (info->alloc); | |
766 | info->len = 0; | |
767 | } | |
04925e1e AM |
768 | else |
769 | { | |
d3989512 JJ |
770 | if (info->len + 1 + (p - dir) >= info->alloc) |
771 | { | |
772 | info->alloc += p - dir + 256; | |
773 | info->path = xrealloc (info->path, info->alloc); | |
774 | } | |
c76308d2 | 775 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 776 | } |
d3989512 JJ |
777 | memcpy (info->path + info->len, dir, p - dir); |
778 | info->len += p - dir; | |
779 | info->path[info->len] = '\0'; | |
780 | } | |
781 | } | |
563f4125 | 782 | while (! feof (f)); |
d3989512 JJ |
783 | free (line); |
784 | fclose (f); | |
dfcffada | 785 | return TRUE; |
d3989512 | 786 | } |
252b5132 | 787 | |
d3989512 | 788 | static bfd_boolean |
d5c8b1f8 AM |
789 | gld${EMULATION_NAME}_check_ld_so_conf (const struct bfd_link_needed_list *l, |
790 | int force) | |
d3989512 JJ |
791 | { |
792 | static bfd_boolean initialized; | |
793 | static char *ld_so_conf; | |
794 | struct dt_needed needed; | |
252b5132 | 795 | |
d3989512 JJ |
796 | if (! initialized) |
797 | { | |
798 | char *tmppath; | |
799 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 800 | |
d3989512 JJ |
801 | info.path = NULL; |
802 | info.len = info.alloc = 0; | |
ff7a0acf AM |
803 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", |
804 | (const char *) NULL); | |
dfcffada AM |
805 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) |
806 | { | |
807 | free (tmppath); | |
ff7a0acf AM |
808 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", |
809 | (const char *) NULL); | |
dfcffada AM |
810 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); |
811 | } | |
d3989512 | 812 | free (tmppath); |
dfcffada | 813 | |
d3989512 JJ |
814 | if (info.path) |
815 | { | |
816 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
817 | free (info.path); | |
818 | ld_so_conf = d; | |
04925e1e | 819 | } |
b34976b6 | 820 | initialized = TRUE; |
04925e1e | 821 | } |
49e56c49 | 822 | |
04925e1e | 823 | if (ld_so_conf == NULL) |
b34976b6 | 824 | return FALSE; |
252b5132 | 825 | |
e56f61be | 826 | |
d5c8b1f8 AM |
827 | needed.by = l->by; |
828 | needed.name = l->name; | |
e56f61be | 829 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); |
252b5132 RH |
830 | } |
831 | ||
04925e1e | 832 | EOF |
9c8ebd6a DJ |
833 | # Linux |
834 | ;; | |
04925e1e AM |
835 | esac |
836 | fi | |
92b93329 | 837 | fragment <<EOF |
04925e1e | 838 | |
252b5132 RH |
839 | /* See if an input file matches a DT_NEEDED entry by name. */ |
840 | ||
841 | static void | |
0c7a8e5a | 842 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 843 | { |
e13629bc AM |
844 | const char *soname; |
845 | ||
846 | /* Stop looking if we've found a loaded lib. */ | |
847 | if (global_found != NULL | |
848 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
849 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
850 | return; |
851 | ||
e13629bc AM |
852 | if (s->filename == NULL || s->the_bfd == NULL) |
853 | return; | |
854 | ||
855 | /* Don't look for a second non-loaded as-needed lib. */ | |
856 | if (global_found != NULL | |
857 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
858 | return; |
859 | ||
42627821 | 860 | if (filename_cmp (s->filename, global_needed->name) == 0) |
252b5132 | 861 | { |
e13629bc AM |
862 | global_found = s; |
863 | return; | |
864 | } | |
577a0623 | 865 | |
66be1055 | 866 | if (s->flags.search_dirs) |
e13629bc AM |
867 | { |
868 | const char *f = strrchr (s->filename, '/'); | |
869 | if (f != NULL | |
42627821 | 870 | && filename_cmp (f + 1, global_needed->name) == 0) |
577a0623 | 871 | { |
e13629bc | 872 | global_found = s; |
577a0623 AM |
873 | return; |
874 | } | |
252b5132 RH |
875 | } |
876 | ||
e13629bc AM |
877 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
878 | if (soname != NULL | |
42627821 | 879 | && filename_cmp (soname, global_needed->name) == 0) |
252b5132 | 880 | { |
e13629bc AM |
881 | global_found = s; |
882 | return; | |
252b5132 | 883 | } |
252b5132 RH |
884 | } |
885 | ||
41392f03 AM |
886 | EOF |
887 | ||
888 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
92b93329 | 889 | fragment <<EOF |
04925e1e | 890 | |
24382dca | 891 | static bfd_size_type |
677e5a92 | 892 | id_note_section_size (bfd *abfd ATTRIBUTE_UNUSED) |
24382dca | 893 | { |
30e8ee25 | 894 | const char *style = emit_note_gnu_build_id; |
24382dca | 895 | bfd_size_type size; |
61e2488c | 896 | bfd_size_type build_id_size; |
24382dca | 897 | |
24382dca RM |
898 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
899 | size = (size + 3) & -(bfd_size_type) 4; | |
900 | ||
61e2488c JT |
901 | build_id_size = compute_build_id_size (style); |
902 | if (build_id_size) | |
903 | size += build_id_size; | |
24382dca RM |
904 | else |
905 | size = 0; | |
906 | ||
907 | return size; | |
908 | } | |
909 | ||
24382dca | 910 | static bfd_boolean |
30e8ee25 | 911 | write_build_id (bfd *abfd) |
24382dca RM |
912 | { |
913 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
30e8ee25 AM |
914 | struct elf_obj_tdata *t = elf_tdata (abfd); |
915 | const char *style; | |
24382dca RM |
916 | asection *asec; |
917 | Elf_Internal_Shdr *i_shdr; | |
918 | unsigned char *contents, *id_bits; | |
919 | bfd_size_type size; | |
30e8ee25 | 920 | file_ptr position; |
24382dca RM |
921 | Elf_External_Note *e_note; |
922 | ||
c0355132 AM |
923 | style = t->o->build_id.style; |
924 | asec = t->o->build_id.sec; | |
83e4970b | 925 | if (bfd_is_abs_section (asec->output_section)) |
24382dca | 926 | { |
83e4970b AM |
927 | einfo (_("%P: warning: .note.gnu.build-id section discarded," |
928 | " --build-id ignored.\n")); | |
929 | return TRUE; | |
24382dca RM |
930 | } |
931 | i_shdr = &elf_section_data (asec->output_section)->this_hdr; | |
932 | ||
933 | if (i_shdr->contents == NULL) | |
934 | { | |
b2ff8454 | 935 | if (asec->contents == NULL) |
1e9cc1c2 | 936 | asec->contents = (unsigned char *) xmalloc (asec->size); |
b2ff8454 | 937 | contents = asec->contents; |
24382dca | 938 | } |
b2ff8454 RM |
939 | else |
940 | contents = i_shdr->contents + asec->output_offset; | |
24382dca | 941 | |
1e9cc1c2 | 942 | e_note = (Elf_External_Note *) contents; |
24382dca RM |
943 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
944 | size = (size + 3) & -(bfd_size_type) 4; | |
945 | id_bits = contents + size; | |
946 | size = asec->size - size; | |
947 | ||
948 | bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz); | |
949 | bfd_h_put_32 (abfd, size, &e_note->descsz); | |
950 | bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type); | |
951 | memcpy (e_note->name, "GNU", sizeof "GNU"); | |
952 | ||
61e2488c | 953 | generate_build_id (abfd, style, bed->s->checksum_contents, id_bits, size); |
24382dca | 954 | |
30e8ee25 | 955 | position = i_shdr->sh_offset + asec->output_offset; |
b2ff8454 | 956 | size = asec->size; |
30e8ee25 | 957 | return (bfd_seek (abfd, position, SEEK_SET) == 0 |
b2ff8454 | 958 | && bfd_bwrite (contents, size, abfd) == size); |
24382dca RM |
959 | } |
960 | ||
30e8ee25 AM |
961 | /* Make .note.gnu.build-id section, and set up elf_tdata->build_id. */ |
962 | ||
963 | static bfd_boolean | |
964 | setup_build_id (bfd *ibfd) | |
965 | { | |
966 | asection *s; | |
967 | bfd_size_type size; | |
968 | flagword flags; | |
969 | ||
970 | size = id_note_section_size (ibfd); | |
971 | if (size == 0) | |
972 | { | |
973 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); | |
974 | return FALSE; | |
975 | } | |
976 | ||
977 | flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
978 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
979 | s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags); | |
980 | if (s != NULL && bfd_set_section_alignment (ibfd, s, 2)) | |
981 | { | |
982 | struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd); | |
c0355132 AM |
983 | t->o->build_id.after_write_object_contents = &write_build_id; |
984 | t->o->build_id.style = emit_note_gnu_build_id; | |
985 | t->o->build_id.sec = s; | |
986 | elf_section_type (s) = SHT_NOTE; | |
987 | s->size = size; | |
988 | return TRUE; | |
30e8ee25 AM |
989 | } |
990 | ||
991 | einfo ("%P: warning: Cannot create .note.gnu.build-id section," | |
992 | " --build-id ignored.\n"); | |
993 | return FALSE; | |
994 | } | |
24382dca | 995 | |
04925e1e | 996 | /* This is called after all the input files have been opened. */ |
252b5132 RH |
997 | |
998 | static void | |
0c7a8e5a | 999 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 1000 | { |
04925e1e | 1001 | struct bfd_link_needed_list *needed, *l; |
d10e7fcc AM |
1002 | struct elf_link_hash_table *htab; |
1003 | ||
5c3049d2 AM |
1004 | after_open_default (); |
1005 | ||
d10e7fcc AM |
1006 | htab = elf_hash_table (&link_info); |
1007 | if (!is_elf_hash_table (htab)) | |
1008 | return; | |
252b5132 | 1009 | |
30e8ee25 | 1010 | if (emit_note_gnu_build_id != NULL) |
c0065db7 RM |
1011 | { |
1012 | bfd *abfd; | |
c0065db7 | 1013 | |
a654efd6 L |
1014 | /* Find an ELF input. */ |
1015 | for (abfd = link_info.input_bfds; | |
1016 | abfd != (bfd *) NULL; abfd = abfd->link_next) | |
1017 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) | |
1018 | break; | |
c0065db7 | 1019 | |
30e8ee25 AM |
1020 | /* PR 10555: If there are no ELF input files do not try to |
1021 | create a .note.gnu-build-id section. */ | |
1022 | if (abfd == NULL | |
1023 | || !setup_build_id (abfd)) | |
c0065db7 | 1024 | { |
30e8ee25 AM |
1025 | free ((char *) emit_note_gnu_build_id); |
1026 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
1027 | } |
1028 | } | |
1029 | ||
d10e7fcc | 1030 | if (link_info.relocatable) |
76f0cad6 NC |
1031 | { |
1032 | if (link_info.execstack == ! link_info.noexecstack) | |
1033 | /* PR ld/16744: If "-z [no]execstack" has been specified on the | |
1034 | command line and we are perfoming a relocatable link then no | |
1035 | PT_GNU_STACK segment will be created and so the | |
1036 | linkinfo.[no]execstack values set in _handle_option() will have no | |
1037 | effect. Instead we create a .note.GNU-stack section in much the | |
1038 | same way as the assembler does with its --[no]execstack option. */ | |
1039 | (void) bfd_make_section_with_flags (link_info.input_bfds, | |
1040 | ".note.GNU-stack", | |
1041 | SEC_READONLY | (link_info.execstack ? SEC_CODE : 0)); | |
1042 | ||
1043 | return; | |
1044 | } | |
d10e7fcc | 1045 | |
eb3d5f3b | 1046 | if (link_info.eh_frame_hdr |
d10e7fcc | 1047 | && !link_info.traditional_format) |
eb3d5f3b | 1048 | { |
a654efd6 L |
1049 | bfd *abfd, *elfbfd = NULL; |
1050 | bfd_boolean warn_eh_frame = FALSE; | |
d10e7fcc | 1051 | asection *s; |
eb3d5f3b | 1052 | |
d10e7fcc | 1053 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) |
eb3d5f3b | 1054 | { |
a654efd6 L |
1055 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1056 | elfbfd = abfd; | |
4440bb77 L |
1057 | if (!warn_eh_frame) |
1058 | { | |
1059 | s = bfd_get_section_by_name (abfd, ".eh_frame"); | |
9cf8b46e AM |
1060 | while (s != NULL |
1061 | && (s->size <= 8 | |
1062 | || bfd_is_abs_section (s->output_section))) | |
1063 | s = bfd_get_next_section_by_name (s); | |
1064 | warn_eh_frame = s != NULL; | |
4440bb77 L |
1065 | } |
1066 | if (elfbfd && warn_eh_frame) | |
1067 | break; | |
d10e7fcc | 1068 | } |
a654efd6 | 1069 | if (elfbfd) |
d10e7fcc AM |
1070 | { |
1071 | const struct elf_backend_data *bed; | |
1072 | ||
a654efd6 L |
1073 | bed = get_elf_backend_data (elfbfd); |
1074 | s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr", | |
1075 | bed->dynamic_sec_flags | |
1076 | | SEC_READONLY); | |
d10e7fcc | 1077 | if (s != NULL |
a654efd6 L |
1078 | && bfd_set_section_alignment (elfbfd, s, 2)) |
1079 | { | |
1080 | htab->eh_info.hdr_sec = s; | |
1081 | warn_eh_frame = FALSE; | |
1082 | } | |
eb3d5f3b | 1083 | } |
a654efd6 L |
1084 | if (warn_eh_frame) |
1085 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
1086 | " --eh-frame-hdr ignored.\n"); | |
eb3d5f3b JB |
1087 | } |
1088 | ||
04925e1e AM |
1089 | /* Get the list of files which appear in DT_NEEDED entries in |
1090 | dynamic objects included in the link (often there will be none). | |
1091 | For each such file, we want to track down the corresponding | |
1092 | library, and include the symbol table in the link. This is what | |
1093 | the runtime dynamic linker will do. Tracking the files down here | |
1094 | permits one dynamic object to include another without requiring | |
1095 | special action by the person doing the link. Note that the | |
1096 | needed list can actually grow while we are stepping through this | |
1097 | loop. */ | |
f13a99db | 1098 | needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info); |
04925e1e | 1099 | for (l = needed; l != NULL; l = l->next) |
252b5132 | 1100 | { |
04925e1e | 1101 | struct bfd_link_needed_list *ll; |
e56f61be | 1102 | struct dt_needed n, nn; |
04925e1e | 1103 | int force; |
252b5132 | 1104 | |
7e9f0867 | 1105 | /* If the lib that needs this one was --as-needed and wasn't |
4706eab9 | 1106 | found to be needed, then this lib isn't needed either. */ |
7e9f0867 | 1107 | if (l->by != NULL |
4706eab9 AM |
1108 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) |
1109 | continue; | |
1110 | ||
1111 | /* Skip the lib if --no-copy-dt-needed-entries and | |
1112 | --allow-shlib-undefined is in effect. */ | |
1113 | if (l->by != NULL | |
1114 | && link_info.unresolved_syms_in_shared_libs == RM_IGNORE | |
1115 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0) | |
7e9f0867 AM |
1116 | continue; |
1117 | ||
04925e1e AM |
1118 | /* If we've already seen this file, skip it. */ |
1119 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
1120 | if ((ll->by == NULL |
1121 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
1122 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
1123 | break; |
1124 | if (ll != l) | |
1125 | continue; | |
252b5132 | 1126 | |
04925e1e AM |
1127 | /* See if this file was included in the link explicitly. */ |
1128 | global_needed = l; | |
e13629bc | 1129 | global_found = NULL; |
04925e1e | 1130 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
1131 | if (global_found != NULL |
1132 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1133 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 1134 | continue; |
252b5132 | 1135 | |
e56f61be L |
1136 | n.by = l->by; |
1137 | n.name = l->name; | |
1138 | nn.by = l->by; | |
cd6f1cf3 | 1139 | if (verbose) |
ec4eb78a L |
1140 | info_msg (_("%s needed by %B\n"), l->name, l->by); |
1141 | ||
e13629bc AM |
1142 | /* As-needed libs specified on the command line (or linker script) |
1143 | take priority over libs found in search dirs. */ | |
1144 | if (global_found != NULL) | |
1145 | { | |
1146 | nn.name = global_found->filename; | |
1147 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
1148 | continue; | |
1149 | } | |
1150 | ||
04925e1e AM |
1151 | /* We need to find this file and include the symbol table. We |
1152 | want to search for the file in the same way that the dynamic | |
1153 | linker will search. That means that we want to use | |
1154 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
1155 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
1156 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
1157 | We do not search using the -L arguments. | |
252b5132 | 1158 | |
04925e1e AM |
1159 | We search twice. The first time, we skip objects which may |
1160 | introduce version mismatches. The second time, we force | |
1161 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
1162 | for (force = 0; force < 2; force++) | |
1163 | { | |
04925e1e AM |
1164 | size_t len; |
1165 | search_dirs_type *search; | |
6dd8c765 | 1166 | EOF |
ff925e69 | 1167 | if [ "x${NATIVE}" = xyes ] ; then |
92b93329 | 1168 | fragment <<EOF |
dcb0bd0e | 1169 | const char *lib_path; |
ff925e69 KK |
1170 | EOF |
1171 | fi | |
1172 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1173 | fragment <<EOF |
6dd8c765 L |
1174 | struct bfd_link_needed_list *rp; |
1175 | int found; | |
1176 | EOF | |
6dd8c765 | 1177 | fi |
92b93329 | 1178 | fragment <<EOF |
252b5132 | 1179 | |
04925e1e | 1180 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 1181 | &n, force)) |
04925e1e | 1182 | break; |
dcb0bd0e | 1183 | EOF |
9c8ebd6a | 1184 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1185 | fragment <<EOF |
04925e1e | 1186 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 1187 | &n, force)) |
04925e1e | 1188 | break; |
9c8ebd6a DJ |
1189 | EOF |
1190 | fi | |
1191 | if [ "x${NATIVE}" = xyes ] ; then | |
92b93329 | 1192 | fragment <<EOF |
04925e1e AM |
1193 | if (command_line.rpath_link == NULL |
1194 | && command_line.rpath == NULL) | |
1195 | { | |
1196 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1197 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1198 | force)) |
1199 | break; | |
1200 | } | |
04925e1e | 1201 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1202 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1203 | break; |
9c8ebd6a DJ |
1204 | EOF |
1205 | fi | |
1206 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1207 | fragment <<EOF |
ec4eb78a | 1208 | found = 0; |
f13a99db | 1209 | rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info); |
6dd8c765 | 1210 | for (; !found && rp != NULL; rp = rp->next) |
ec4eb78a | 1211 | { |
9c8ebd6a | 1212 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1213 | found = (rp->by == l->by |
9c8ebd6a | 1214 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1215 | &n, |
ec4eb78a | 1216 | force)); |
9c8ebd6a | 1217 | free (tmpname); |
ec4eb78a L |
1218 | } |
1219 | if (found) | |
1220 | break; | |
1221 | ||
04925e1e | 1222 | EOF |
04925e1e | 1223 | fi |
c1446dba L |
1224 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1225 | case ${target} in | |
ebe1fac1 | 1226 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 1227 | fragment <<EOF |
d5c8b1f8 | 1228 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force)) |
ebe1fac1 NC |
1229 | break; |
1230 | EOF | |
1231 | # FreeBSD | |
1232 | ;; | |
1233 | ||
a5244b7e | 1234 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 1235 | fragment <<EOF |
d5c8b1f8 | 1236 | if (gld${EMULATION_NAME}_check_ld_so_conf (l, force)) |
c1446dba L |
1237 | break; |
1238 | ||
1239 | EOF | |
eeaa4577 | 1240 | # Linux |
c1446dba L |
1241 | ;; |
1242 | esac | |
1243 | fi | |
92b93329 | 1244 | fragment <<EOF |
04925e1e AM |
1245 | len = strlen (l->name); |
1246 | for (search = search_head; search != NULL; search = search->next) | |
1247 | { | |
1248 | char *filename; | |
252b5132 | 1249 | |
04925e1e AM |
1250 | if (search->cmdline) |
1251 | continue; | |
1252 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1253 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1254 | nn.name = filename; |
1255 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1256 | break; |
1257 | free (filename); | |
1258 | } | |
1259 | if (search != NULL) | |
1260 | break; | |
1261 | EOF | |
92b93329 | 1262 | fragment <<EOF |
04925e1e | 1263 | } |
252b5132 | 1264 | |
04925e1e AM |
1265 | if (force < 2) |
1266 | continue; | |
252b5132 | 1267 | |
e374f1d9 | 1268 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1269 | l->name, l->by); |
1270 | } | |
1271 | } | |
252b5132 | 1272 | |
41392f03 AM |
1273 | EOF |
1274 | fi | |
1275 | ||
92b93329 | 1276 | fragment <<EOF |
252b5132 | 1277 | |
04925e1e | 1278 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1279 | |
04925e1e | 1280 | static void |
0c7a8e5a | 1281 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1282 | { |
4ea42fb7 | 1283 | bfd_boolean provide = FALSE; |
04925e1e AM |
1284 | |
1285 | switch (exp->type.node_class) | |
252b5132 | 1286 | { |
04925e1e | 1287 | case etree_provide: |
bded3693 | 1288 | case etree_provided: |
4ea42fb7 AM |
1289 | provide = TRUE; |
1290 | /* Fall thru */ | |
1291 | case etree_assign: | |
04925e1e AM |
1292 | /* We call record_link_assignment even if the symbol is defined. |
1293 | This is because if it is defined by a dynamic object, we | |
1294 | actually want to use the value defined by the linker script, | |
1295 | not the value from the dynamic object (because we are setting | |
1296 | symbols like etext). If the symbol is defined by a regular | |
1297 | object, then, as it happens, calling record_link_assignment | |
1298 | will do no harm. */ | |
04925e1e | 1299 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1300 | { |
f13a99db AM |
1301 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, |
1302 | &link_info, | |
fe21a8fc L |
1303 | exp->assign.dst, provide, |
1304 | exp->assign.hidden)) | |
04925e1e AM |
1305 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1306 | exp->assign.dst); | |
252b5132 | 1307 | } |
04925e1e AM |
1308 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1309 | break; | |
252b5132 | 1310 | |
04925e1e AM |
1311 | case etree_binary: |
1312 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1313 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1314 | break; | |
252b5132 | 1315 | |
04925e1e AM |
1316 | case etree_trinary: |
1317 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1318 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1319 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1320 | break; | |
252b5132 | 1321 | |
04925e1e AM |
1322 | case etree_unary: |
1323 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1324 | break; | |
252b5132 | 1325 | |
04925e1e AM |
1326 | default: |
1327 | break; | |
252b5132 RH |
1328 | } |
1329 | } | |
1330 | ||
04925e1e AM |
1331 | |
1332 | /* This is called by the before_allocation routine via | |
1333 | lang_for_each_statement. It locates any assignment statements, and | |
1334 | tells the ELF backend about them, in case they are assignments to | |
1335 | symbols which are referred to by dynamic objects. */ | |
1336 | ||
1337 | static void | |
0c7a8e5a | 1338 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1339 | { |
1340 | if (s->header.type == lang_assignment_statement_enum) | |
1341 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1342 | } | |
1343 | ||
41392f03 AM |
1344 | EOF |
1345 | ||
1346 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1347 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1348 | ELF_INTERPRETER_SET_DEFAULT=" | |
1349 | if (sinterp != NULL) | |
1350 | { | |
5718918d AM |
1351 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1352 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1353 | } |
1354 | ||
1355 | " | |
1356 | else | |
1357 | ELF_INTERPRETER_SET_DEFAULT= | |
1358 | fi | |
92b93329 | 1359 | fragment <<EOF |
04925e1e | 1360 | |
7ee314fa | 1361 | /* used by before_allocation and handle_option. */ |
4724d37e | 1362 | static void |
91d6fa6a | 1363 | gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg) |
7ee314fa AM |
1364 | { |
1365 | if (*to == NULL) | |
91d6fa6a | 1366 | *to = xstrdup (op_arg); |
7ee314fa AM |
1367 | else |
1368 | { | |
1369 | size_t to_len = strlen (*to); | |
91d6fa6a | 1370 | size_t op_arg_len = strlen (op_arg); |
7ee314fa AM |
1371 | char *buf; |
1372 | char *cp = *to; | |
1373 | ||
1374 | /* First see whether OPTARG is already in the path. */ | |
1375 | do | |
1376 | { | |
91d6fa6a NC |
1377 | if (strncmp (op_arg, cp, op_arg_len) == 0 |
1378 | && (cp[op_arg_len] == 0 | |
1379 | || cp[op_arg_len] == config.rpath_separator)) | |
7ee314fa AM |
1380 | /* We found it. */ |
1381 | break; | |
1382 | ||
1383 | /* Not yet found. */ | |
1384 | cp = strchr (cp, config.rpath_separator); | |
1385 | if (cp != NULL) | |
1386 | ++cp; | |
1387 | } | |
1388 | while (cp != NULL); | |
1389 | ||
1390 | if (cp == NULL) | |
1391 | { | |
91d6fa6a | 1392 | buf = xmalloc (to_len + op_arg_len + 2); |
7ee314fa | 1393 | sprintf (buf, "%s%c%s", *to, |
91d6fa6a | 1394 | config.rpath_separator, op_arg); |
7ee314fa AM |
1395 | free (*to); |
1396 | *to = buf; | |
1397 | } | |
1398 | } | |
1399 | } | |
1400 | ||
252b5132 RH |
1401 | /* This is called after the sections have been attached to output |
1402 | sections, but before any sizes or addresses have been set. */ | |
1403 | ||
1404 | static void | |
0c7a8e5a | 1405 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1406 | { |
1407 | const char *rpath; | |
1408 | asection *sinterp; | |
7ee314fa | 1409 | bfd *abfd; |
4199e3b8 | 1410 | struct elf_link_hash_entry *ehdr_start = NULL; |
f9c316c4 | 1411 | struct bfd_link_hash_entry ehdr_start_save = ehdr_start_save; |
252b5132 | 1412 | |
b4d040b1 | 1413 | if (is_elf_hash_table (link_info.hash)) |
a5382c42 MR |
1414 | { |
1415 | _bfd_elf_tls_setup (link_info.output_bfd, &link_info); | |
e1918d23 | 1416 | |
cde7cb01 MR |
1417 | /* Make __ehdr_start hidden if it has been referenced, to |
1418 | prevent the symbol from being dynamic. */ | |
c2763e27 RM |
1419 | if (!link_info.relocatable) |
1420 | { | |
1421 | struct elf_link_hash_entry *h | |
1422 | = elf_link_hash_lookup (elf_hash_table (&link_info), "__ehdr_start", | |
1423 | FALSE, FALSE, TRUE); | |
1424 | ||
1425 | /* Only adjust the export class if the symbol was referenced | |
1426 | and not defined, otherwise leave it alone. */ | |
1427 | if (h != NULL | |
1428 | && (h->root.type == bfd_link_hash_new | |
1429 | || h->root.type == bfd_link_hash_undefined | |
1430 | || h->root.type == bfd_link_hash_undefweak | |
1431 | || h->root.type == bfd_link_hash_common)) | |
1432 | { | |
1433 | _bfd_elf_link_hash_hide_symbol (&link_info, h, TRUE); | |
1434 | if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL) | |
1435 | h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN; | |
4199e3b8 AM |
1436 | /* Don't leave the symbol undefined. Undefined hidden |
1437 | symbols typically won't have dynamic relocations, but | |
1438 | we most likely will need dynamic relocations for | |
1439 | __ehdr_start if we are building a PIE or shared | |
1440 | library. */ | |
1441 | ehdr_start = h; | |
1442 | ehdr_start_save = h->root; | |
1443 | h->root.type = bfd_link_hash_defined; | |
1444 | h->root.u.def.section = bfd_abs_section_ptr; | |
1445 | h->root.u.def.value = 0; | |
c2763e27 RM |
1446 | } |
1447 | } | |
cde7cb01 | 1448 | |
a5382c42 MR |
1449 | /* If we are going to make any variable assignments, we need to |
1450 | let the ELF backend know about them in case the variables are | |
1451 | referred to by dynamic objects. */ | |
1452 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1453 | } | |
252b5132 RH |
1454 | |
1455 | /* Let the ELF backend work out the sizes of any sections required | |
1456 | by dynamic linking. */ | |
1457 | rpath = command_line.rpath; | |
1458 | if (rpath == NULL) | |
1459 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
7ee314fa AM |
1460 | |
1461 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) | |
8dd881b6 L |
1462 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1463 | { | |
1464 | const char *audit_libs = elf_dt_audit (abfd); | |
7ee314fa | 1465 | |
4724d37e | 1466 | /* If the input bfd contains an audit entry, we need to add it as |
8dd881b6 L |
1467 | a dep audit entry. */ |
1468 | if (audit_libs && *audit_libs != '\0') | |
1469 | { | |
1470 | char *cp = xstrdup (audit_libs); | |
1471 | do | |
1472 | { | |
1473 | int more = 0; | |
1474 | char *cp2 = strchr (cp, config.rpath_separator); | |
7ee314fa | 1475 | |
8dd881b6 L |
1476 | if (cp2) |
1477 | { | |
1478 | *cp2 = '\0'; | |
1479 | more = 1; | |
1480 | } | |
7ee314fa | 1481 | |
8dd881b6 L |
1482 | if (cp != NULL && *cp != '\0') |
1483 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp); | |
1484 | ||
1485 | cp = more ? ++cp2 : NULL; | |
1486 | } | |
1487 | while (cp != NULL); | |
1488 | } | |
1489 | } | |
7ee314fa | 1490 | |
5a580b3a | 1491 | if (! (bfd_elf_size_dynamic_sections |
f13a99db | 1492 | (link_info.output_bfd, command_line.soname, rpath, |
7ee314fa | 1493 | command_line.filter_shlib, audit, depaudit, |
252b5132 | 1494 | (const char * const *) command_line.auxiliary_filters, |
fd91d419 | 1495 | &link_info, &sinterp))) |
252b5132 | 1496 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
8423293d | 1497 | |
57e6abd2 | 1498 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1499 | /* Let the user override the dynamic linker we are using. */ |
1500 | if (command_line.interpreter != NULL | |
1501 | && sinterp != NULL) | |
1502 | { | |
1503 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1504 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1505 | } |
1506 | ||
1507 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1508 | we treat such sections as containing warning messages. We print | |
1509 | out the warning message, and then zero out the section size so | |
1510 | that it does not get copied into the output file. */ | |
1511 | ||
1512 | { | |
1513 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1514 | { | |
1515 | asection *s; | |
1516 | bfd_size_type sz; | |
1517 | char *msg; | |
b34976b6 | 1518 | bfd_boolean ret; |
252b5132 | 1519 | |
66be1055 | 1520 | if (is->flags.just_syms) |
252b5132 RH |
1521 | continue; |
1522 | ||
1523 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1524 | if (s == NULL) | |
1525 | continue; | |
1526 | ||
eea6121a | 1527 | sz = s->size; |
1e9cc1c2 | 1528 | msg = (char *) xmalloc ((size_t) (sz + 1)); |
bc251d50 | 1529 | if (! bfd_get_section_contents (is->the_bfd, s, msg, |
8c675694 | 1530 | (file_ptr) 0, sz)) |
252b5132 RH |
1531 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1532 | is->the_bfd); | |
bc251d50 | 1533 | msg[sz] = '\0'; |
252b5132 RH |
1534 | ret = link_info.callbacks->warning (&link_info, msg, |
1535 | (const char *) NULL, | |
1536 | is->the_bfd, (asection *) NULL, | |
1537 | (bfd_vma) 0); | |
1538 | ASSERT (ret); | |
1539 | free (msg); | |
1540 | ||
9e3be61d AM |
1541 | /* Clobber the section size, so that we don't waste space |
1542 | copying the warning into the output file. If we've already | |
1543 | sized the output section, adjust its size. The adjustment | |
1544 | is on rawsize because targets that size sections early will | |
1545 | have called lang_reset_memory_regions after sizing. */ | |
1546 | if (s->output_section != NULL | |
1547 | && s->output_section->rawsize >= s->size) | |
1548 | s->output_section->rawsize -= s->size; | |
1549 | ||
eea6121a | 1550 | s->size = 0; |
11d2f718 | 1551 | |
9e3be61d AM |
1552 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1553 | warning section don't get copied to the output. */ | |
a14a5de3 | 1554 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1555 | } |
1556 | } | |
8423293d | 1557 | |
1e035701 | 1558 | before_allocation_default (); |
8423293d | 1559 | |
f13a99db | 1560 | if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info)) |
8423293d | 1561 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
4199e3b8 AM |
1562 | |
1563 | if (ehdr_start != NULL) | |
1564 | { | |
1565 | /* If we twiddled __ehdr_start to defined earlier, put it back | |
1566 | as it was. */ | |
1567 | ehdr_start->root.type = ehdr_start_save.type; | |
1568 | ehdr_start->root.u = ehdr_start_save.u; | |
1569 | } | |
252b5132 RH |
1570 | } |
1571 | ||
41392f03 AM |
1572 | EOF |
1573 | fi | |
1574 | ||
1575 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
92b93329 | 1576 | fragment <<EOF |
252b5132 | 1577 | |
04925e1e AM |
1578 | /* Try to open a dynamic archive. This is where we know that ELF |
1579 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1580 | like hpux). */ | |
1581 | ||
b34976b6 | 1582 | static bfd_boolean |
0c7a8e5a AM |
1583 | gld${EMULATION_NAME}_open_dynamic_archive |
1584 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1585 | { |
04925e1e AM |
1586 | const char *filename; |
1587 | char *string; | |
d4ae5fb0 AM |
1588 | size_t len; |
1589 | bfd_boolean opened = FALSE; | |
252b5132 | 1590 | |
66be1055 | 1591 | if (! entry->flags.maybe_archive) |
b34976b6 | 1592 | return FALSE; |
252b5132 | 1593 | |
04925e1e | 1594 | filename = entry->filename; |
d4ae5fb0 AM |
1595 | len = strlen (search->name) + strlen (filename); |
1596 | if (entry->flags.full_name_provided) | |
1597 | { | |
1598 | len += sizeof "/"; | |
1599 | string = (char *) xmalloc (len); | |
1600 | sprintf (string, "%s/%s", search->name, filename); | |
1601 | } | |
1602 | else | |
1603 | { | |
1604 | size_t xlen = 0; | |
252b5132 | 1605 | |
d4ae5fb0 | 1606 | len += strlen (arch) + sizeof "/lib.so"; |
04925e1e | 1607 | #ifdef EXTRA_SHLIB_EXTENSION |
d4ae5fb0 AM |
1608 | xlen = (strlen (EXTRA_SHLIB_EXTENSION) > 3 |
1609 | ? strlen (EXTRA_SHLIB_EXTENSION) - 3 | |
1610 | : 0); | |
04925e1e | 1611 | #endif |
d4ae5fb0 AM |
1612 | string = (char *) xmalloc (len + xlen); |
1613 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
04925e1e | 1614 | #ifdef EXTRA_SHLIB_EXTENSION |
d4ae5fb0 AM |
1615 | /* Try the .so extension first. If that fails build a new filename |
1616 | using EXTRA_SHLIB_EXTENSION. */ | |
1617 | opened = ldfile_try_open_bfd (string, entry); | |
1618 | if (!opened) | |
1619 | strcpy (string + len - 4, EXTRA_SHLIB_EXTENSION); | |
04925e1e | 1620 | #endif |
d4ae5fb0 | 1621 | } |
04925e1e | 1622 | |
d4ae5fb0 | 1623 | if (!opened && !ldfile_try_open_bfd (string, entry)) |
252b5132 | 1624 | { |
04925e1e | 1625 | free (string); |
b34976b6 | 1626 | return FALSE; |
04925e1e | 1627 | } |
252b5132 | 1628 | |
04925e1e | 1629 | entry->filename = string; |
252b5132 | 1630 | |
04925e1e AM |
1631 | /* We have found a dynamic object to include in the link. The ELF |
1632 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1633 | section naming this file. If this file includes a DT_SONAME | |
1634 | entry, it will be used. Otherwise, the ELF linker will just use | |
1635 | the name of the file. For an archive found by searching, like | |
1636 | this one, the DT_NEEDED entry should consist of just the name of | |
1637 | the file, without the path information used to find it. Note | |
1638 | that we only need to do this if we have a dynamic object; an | |
1639 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1640 | |
04925e1e AM |
1641 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1642 | very pretty. I haven't been able to think of anything that is | |
1643 | pretty, though. */ | |
1644 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1645 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1646 | { | |
66be1055 | 1647 | ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs); |
252b5132 | 1648 | |
04925e1e | 1649 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1650 | filename we recorded earlier. */ |
04925e1e | 1651 | |
d4ae5fb0 AM |
1652 | if (!entry->flags.full_name_provided) |
1653 | filename = lbasename (entry->filename); | |
1c9acd94 | 1654 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1655 | } |
1656 | ||
b34976b6 | 1657 | return TRUE; |
04925e1e AM |
1658 | } |
1659 | ||
41392f03 AM |
1660 | EOF |
1661 | fi | |
cde43e70 AM |
1662 | |
1663 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
92b93329 | 1664 | fragment <<EOF |
41392f03 | 1665 | |
afd7a018 | 1666 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1667 | |
04925e1e | 1668 | static lang_output_section_statement_type * |
2a36a117 | 1669 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1670 | { |
04925e1e | 1671 | lang_output_section_statement_type *lookup; |
ba493122 | 1672 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1673 | lang_output_section_statement_type *last_alloc = NULL; |
48f2ff54 | 1674 | lang_output_section_statement_type *last_ro_alloc = NULL; |
ba493122 AM |
1675 | lang_output_section_statement_type *last_rel = NULL; |
1676 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1677 | int rela = sec->name[4] == 'a'; |
04925e1e | 1678 | |
afd7a018 AM |
1679 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1680 | lookup != NULL; | |
1681 | lookup = lookup->next) | |
04925e1e | 1682 | { |
66c103b7 | 1683 | if (lookup->constraint >= 0 |
0112cd26 | 1684 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1685 | { |
24cdb50a | 1686 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1687 | |
2a36a117 AM |
1688 | /* .rel.dyn must come before all other reloc sections, to suit |
1689 | GNU ld.so. */ | |
1690 | if (isdyn) | |
1691 | break; | |
1692 | ||
1693 | /* Don't place after .rel.plt as doing so results in wrong | |
1694 | dynamic tags. */ | |
1695 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1696 | break; |
2a36a117 AM |
1697 | |
1698 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1699 | last_rel = lookup; |
2a36a117 AM |
1700 | if ((rela == lookrela || last_rel_alloc == NULL) |
1701 | && lookup->bfd_section != NULL | |
ba493122 AM |
1702 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1703 | last_rel_alloc = lookup; | |
04925e1e | 1704 | } |
2a36a117 AM |
1705 | |
1706 | last = lookup; | |
1707 | if (lookup->bfd_section != NULL | |
1708 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
48f2ff54 AM |
1709 | { |
1710 | last_alloc = lookup; | |
1711 | if ((lookup->bfd_section->flags & SEC_READONLY) != 0) | |
1712 | last_ro_alloc = lookup; | |
1713 | } | |
252b5132 | 1714 | } |
ba493122 AM |
1715 | |
1716 | if (last_rel_alloc) | |
1717 | return last_rel_alloc; | |
1718 | ||
1719 | if (last_rel) | |
1720 | return last_rel; | |
1721 | ||
48f2ff54 AM |
1722 | if (last_ro_alloc) |
1723 | return last_ro_alloc; | |
1724 | ||
2a36a117 AM |
1725 | if (last_alloc) |
1726 | return last_alloc; | |
1727 | ||
ba493122 | 1728 | return last; |
252b5132 RH |
1729 | } |
1730 | ||
1731 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1732 | sections in the right segment. */ | |
1733 | ||
c2edb4b8 | 1734 | static lang_output_section_statement_type * |
8a99a385 AM |
1735 | gld${EMULATION_NAME}_place_orphan (asection *s, |
1736 | const char *secname, | |
1737 | int constraint) | |
252b5132 | 1738 | { |
afd7a018 AM |
1739 | static struct orphan_save hold[] = |
1740 | { | |
1741 | { ".text", | |
1742 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1743 | 0, 0, 0, 0 }, | |
1744 | { ".rodata", | |
1745 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1746 | 0, 0, 0, 0 }, | |
d85e71fe L |
1747 | { ".tdata", |
1748 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_THREAD_LOCAL, | |
1749 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1750 | { ".data", |
1751 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1752 | 0, 0, 0, 0 }, | |
1753 | { ".bss", | |
1754 | SEC_ALLOC, | |
1755 | 0, 0, 0, 0 }, | |
1756 | { 0, | |
1757 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1758 | 0, 0, 0, 0 }, | |
1759 | { ".interp", | |
1760 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1761 | 0, 0, 0, 0 }, | |
1762 | { ".sdata", | |
1763 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
07890c07 | 1764 | 0, 0, 0, 0 }, |
175b7cd4 | 1765 | { ".comment", |
07890c07 AM |
1766 | SEC_HAS_CONTENTS, |
1767 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1768 | }; |
1769 | enum orphan_save_index | |
1770 | { | |
1771 | orphan_text = 0, | |
1772 | orphan_rodata, | |
d85e71fe | 1773 | orphan_tdata, |
afd7a018 AM |
1774 | orphan_data, |
1775 | orphan_bss, | |
1776 | orphan_rel, | |
1777 | orphan_interp, | |
07890c07 AM |
1778 | orphan_sdata, |
1779 | orphan_nonalloc | |
afd7a018 AM |
1780 | }; |
1781 | static int orphan_init_done = 0; | |
6a345e87 | 1782 | struct orphan_save *place; |
afd7a018 | 1783 | lang_output_section_statement_type *after; |
252b5132 | 1784 | lang_output_section_statement_type *os; |
b5f14a6d | 1785 | lang_output_section_statement_type *match_by_name = NULL; |
24cdb50a | 1786 | int isdyn = 0; |
ecca9871 L |
1787 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1788 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1789 | |
1049f94e | 1790 | if (! link_info.relocatable |
24cdb50a | 1791 | && link_info.combreloc |
ecca9871 | 1792 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1793 | { |
ecca9871 L |
1794 | if (iself) |
1795 | switch (sh_type) | |
1796 | { | |
1797 | case SHT_RELA: | |
1798 | secname = ".rela.dyn"; | |
1799 | isdyn = 1; | |
1800 | break; | |
1801 | case SHT_REL: | |
1802 | secname = ".rel.dyn"; | |
1803 | isdyn = 1; | |
1804 | break; | |
1805 | default: | |
1806 | break; | |
1807 | } | |
0112cd26 | 1808 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1809 | { |
1810 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1811 | isdyn = 1; | |
1812 | } | |
24cdb50a | 1813 | } |
aea4bd9d | 1814 | |
bcacc0f5 | 1815 | /* Look through the script to see where to place this section. */ |
d127ecce AM |
1816 | if (constraint == 0) |
1817 | for (os = lang_output_section_find (secname); | |
1818 | os != NULL; | |
1819 | os = next_matching_output_section_statement (os, 0)) | |
1820 | { | |
1821 | /* If we don't match an existing output section, tell | |
1822 | lang_insert_orphan to create a new output section. */ | |
1823 | constraint = SPECIAL; | |
1824 | ||
1825 | if (os->bfd_section != NULL | |
1826 | && (os->bfd_section->flags == 0 | |
1827 | || (_bfd_elf_match_sections_by_type (link_info.output_bfd, | |
1828 | os->bfd_section, | |
1829 | s->owner, s) | |
1830 | && ((s->flags ^ os->bfd_section->flags) | |
1831 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
1832 | { | |
1833 | /* We already have an output section statement with this | |
1834 | name, and its bfd section has compatible flags. | |
1835 | If the section already exists but does not have any flags | |
1836 | set, then it has been created by the linker, probably as a | |
1837 | result of a --section-start command line switch. */ | |
b9c361e0 | 1838 | lang_add_section (&os->children, s, NULL, os); |
d127ecce AM |
1839 | return os; |
1840 | } | |
b5f14a6d DD |
1841 | |
1842 | /* Save unused output sections in case we can match them | |
1843 | against orphans later. */ | |
1844 | if (os->bfd_section == NULL) | |
1845 | match_by_name = os; | |
d127ecce | 1846 | } |
252b5132 | 1847 | |
b5f14a6d DD |
1848 | /* If we didn't match an active output section, see if we matched an |
1849 | unused one and use that. */ | |
1850 | if (match_by_name) | |
1851 | { | |
b9c361e0 | 1852 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
1853 | return match_by_name; |
1854 | } | |
1855 | ||
afd7a018 AM |
1856 | if (!orphan_init_done) |
1857 | { | |
1858 | struct orphan_save *ho; | |
07890c07 | 1859 | |
afd7a018 AM |
1860 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
1861 | if (ho->name != NULL) | |
1862 | { | |
1863 | ho->os = lang_output_section_find (ho->name); | |
1864 | if (ho->os != NULL && ho->os->flags == 0) | |
1865 | ho->os->flags = ho->flags; | |
1866 | } | |
1867 | orphan_init_done = 1; | |
1868 | } | |
252b5132 RH |
1869 | |
1870 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1871 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1872 | if (link_info.executable |
1049f94e | 1873 | && ! link_info.relocatable |
bcacc0f5 | 1874 | && CONST_STRNEQ (s->name, ".gnu.warning.") |
afd7a018 | 1875 | && hold[orphan_text].os != NULL) |
252b5132 | 1876 | { |
c2edb4b8 | 1877 | os = hold[orphan_text].os; |
b9c361e0 | 1878 | lang_add_section (&os->children, s, NULL, os); |
c2edb4b8 | 1879 | return os; |
252b5132 RH |
1880 | } |
1881 | ||
1882 | /* Decide which segment the section should go in based on the | |
1883 | section name and section flags. We put loadable .note sections | |
1884 | right after the .interp section, so that the PT_NOTE segment is | |
1885 | stored right after the program headers where the OS can read it | |
1886 | in the first page. */ | |
aea4bd9d | 1887 | |
71bfc0ae | 1888 | place = NULL; |
07890c07 AM |
1889 | if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0) |
1890 | place = &hold[orphan_nonalloc]; | |
1891 | else if ((s->flags & SEC_ALLOC) == 0) | |
71bfc0ae | 1892 | ; |
252b5132 | 1893 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1894 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1895 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 | 1896 | place = &hold[orphan_interp]; |
04c932a2 | 1897 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0) |
afd7a018 AM |
1898 | place = &hold[orphan_bss]; |
1899 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1900 | place = &hold[orphan_sdata]; | |
d85e71fe L |
1901 | else if ((s->flags & SEC_THREAD_LOCAL) != 0) |
1902 | place = &hold[orphan_tdata]; | |
afd7a018 AM |
1903 | else if ((s->flags & SEC_READONLY) == 0) |
1904 | place = &hold[orphan_data]; | |
ecca9871 | 1905 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1906 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1907 | && (s->flags & SEC_LOAD) != 0) |
1908 | place = &hold[orphan_rel]; | |
1909 | else if ((s->flags & SEC_CODE) == 0) | |
1910 | place = &hold[orphan_rodata]; | |
1911 | else | |
1912 | place = &hold[orphan_text]; | |
71bfc0ae | 1913 | |
afd7a018 | 1914 | after = NULL; |
5ba47421 | 1915 | if (place != NULL) |
252b5132 | 1916 | { |
afd7a018 | 1917 | if (place->os == NULL) |
5ba47421 | 1918 | { |
afd7a018 AM |
1919 | if (place->name != NULL) |
1920 | place->os = lang_output_section_find (place->name); | |
1921 | else | |
1922 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1923 | } |
afd7a018 AM |
1924 | after = place->os; |
1925 | if (after == NULL) | |
390fbbf1 AM |
1926 | after = lang_output_section_find_by_flags |
1927 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1928 | if (after == NULL) |
1929 | /* *ABS* is always the first output section statement. */ | |
1930 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1931 | } |
1932 | ||
c2edb4b8 | 1933 | return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL); |
252b5132 | 1934 | } |
c56feb2b AM |
1935 | EOF |
1936 | fi | |
1937 | ||
eaeb0a9d | 1938 | if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then |
92b93329 | 1939 | fragment <<EOF |
252b5132 | 1940 | |
deb04cdb | 1941 | static void |
eaeb0a9d | 1942 | gld${EMULATION_NAME}_after_allocation (void) |
deb04cdb | 1943 | { |
f13a99db AM |
1944 | bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd, |
1945 | &link_info); | |
8ded5a0f | 1946 | gld${EMULATION_NAME}_map_segments (need_layout); |
73d074b4 | 1947 | } |
41392f03 AM |
1948 | EOF |
1949 | fi | |
1950 | ||
1951 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
92b93329 | 1952 | fragment <<EOF |
252b5132 RH |
1953 | |
1954 | static char * | |
0c7a8e5a | 1955 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1956 | EOF |
1957 | ||
7225345d | 1958 | if test x"$COMPILE_IN" = xyes |
252b5132 RH |
1959 | then |
1960 | # Scripts compiled in. | |
1961 | ||
1962 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1963 | sc="-f stringify.sed" |
252b5132 | 1964 | |
92b93329 | 1965 | fragment <<EOF |
60bcf0fa | 1966 | { |
252b5132 RH |
1967 | *isfile = 0; |
1968 | ||
1049f94e | 1969 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1970 | return |
252b5132 | 1971 | EOF |
afd7a018 AM |
1972 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1973 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1974 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1975 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1976 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1977 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1978 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1979 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1980 | fi |
36af4a4e JJ |
1981 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1982 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1983 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1984 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 1985 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1986 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1987 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1988 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 1989 | fi |
afd7a018 AM |
1990 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
1991 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 1992 | fi |
252b5132 | 1993 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1994 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1995 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${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}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 1999 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2000 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 2001 | fi |
afd7a018 AM |
2002 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
2003 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 2004 | fi |
82434356 | 2005 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b | 2006 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2007 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 AM |
2008 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
2009 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
2010 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 2011 | fi |
afd7a018 AM |
2012 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2013 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2014 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
2015 | |
2016 | else | |
2017 | # Scripts read from the filesystem. | |
2018 | ||
92b93329 | 2019 | fragment <<EOF |
60bcf0fa | 2020 | { |
252b5132 RH |
2021 | *isfile = 1; |
2022 | ||
1049f94e | 2023 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 2024 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 2025 | else if (link_info.relocatable) |
252b5132 RH |
2026 | return "ldscripts/${EMULATION_NAME}.xr"; |
2027 | else if (!config.text_read_only) | |
2028 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
2029 | EOF |
2030 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
2031 | else | |
92b93329 | 2032 | fragment <<EOF |
252b5132 RH |
2033 | else if (!config.magic_demand_paged) |
2034 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
2035 | EOF |
2036 | fi | |
36af4a4e JJ |
2037 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2038 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2039 | fragment <<EOF |
8c37241b | 2040 | else if (link_info.pie && link_info.combreloc |
fbfca19e | 2041 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2042 | return "ldscripts/${EMULATION_NAME}.xdw"; |
36af4a4e JJ |
2043 | else if (link_info.pie && link_info.combreloc) |
2044 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
2045 | EOF | |
2046 | fi | |
92b93329 | 2047 | fragment <<EOF |
36af4a4e JJ |
2048 | else if (link_info.pie) |
2049 | return "ldscripts/${EMULATION_NAME}.xd"; | |
2050 | EOF | |
2051 | fi | |
a060b769 AM |
2052 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
2053 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2054 | fragment <<EOF |
8c37241b | 2055 | else if (link_info.shared && link_info.combreloc |
fbfca19e | 2056 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2057 | return "ldscripts/${EMULATION_NAME}.xsw"; |
a060b769 AM |
2058 | else if (link_info.shared && link_info.combreloc) |
2059 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
2060 | EOF | |
2061 | fi | |
92b93329 | 2062 | fragment <<EOF |
252b5132 RH |
2063 | else if (link_info.shared) |
2064 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
2065 | EOF |
2066 | fi | |
2067 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2068 | fragment <<EOF |
8c37241b | 2069 | else if (link_info.combreloc && link_info.relro |
fbfca19e | 2070 | && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2071 | return "ldscripts/${EMULATION_NAME}.xw"; |
a060b769 AM |
2072 | else if (link_info.combreloc) |
2073 | return "ldscripts/${EMULATION_NAME}.xc"; | |
2074 | EOF | |
2075 | fi | |
92b93329 | 2076 | fragment <<EOF |
252b5132 RH |
2077 | else |
2078 | return "ldscripts/${EMULATION_NAME}.x"; | |
2079 | } | |
252b5132 | 2080 | |
3b108066 | 2081 | EOF |
41392f03 AM |
2082 | fi |
2083 | fi | |
3b108066 | 2084 | |
e0ee487b | 2085 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
92b93329 | 2086 | fragment <<EOF |
e0ee487b L |
2087 | $PARSE_AND_LIST_PROLOGUE |
2088 | EOF | |
2089 | fi | |
2090 | ||
92b93329 | 2091 | fragment <<EOF |
e0ee487b | 2092 | |
6c1439be L |
2093 | #define OPTION_DISABLE_NEW_DTAGS (400) |
2094 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 2095 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 2096 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 2097 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 2098 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
c0065db7 | 2099 | #define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1) |
7ee314fa | 2100 | #define OPTION_AUDIT (OPTION_BUILD_ID + 1) |
e13629bc | 2101 | |
3bcf5557 | 2102 | static void |
0c7a8e5a AM |
2103 | gld${EMULATION_NAME}_add_options |
2104 | (int ns, char **shortopts, int nl, struct option **longopts, | |
2105 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 2106 | { |
fb42df5e AM |
2107 | EOF |
2108 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2109 | fragment <<EOF | |
7ee314fa | 2110 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; |
fb42df5e AM |
2111 | EOF |
2112 | else | |
2113 | fragment <<EOF | |
2114 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; | |
2115 | EOF | |
2116 | fi | |
2117 | fragment <<EOF | |
3bcf5557 | 2118 | static const struct option xtra_long[] = { |
fb42df5e AM |
2119 | EOF |
2120 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2121 | fragment <<EOF | |
7ee314fa | 2122 | {"audit", required_argument, NULL, OPTION_AUDIT}, |
fb42df5e AM |
2123 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
2124 | EOF | |
2125 | fi | |
2126 | fragment <<EOF | |
2127 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, | |
e0ee487b | 2128 | EOF |
e0ee487b | 2129 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2130 | fragment <<EOF |
fb42df5e | 2131 | {"depaudit", required_argument, NULL, 'P'}, |
3bcf5557 AM |
2132 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
2133 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
2134 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 2135 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 2136 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
e0ee487b L |
2137 | EOF |
2138 | fi | |
e0ee487b | 2139 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then |
92b93329 | 2140 | fragment <<EOF |
3bcf5557 | 2141 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
2142 | EOF |
2143 | fi | |
92b93329 | 2144 | fragment <<EOF |
3bcf5557 AM |
2145 | {NULL, no_argument, NULL, 0} |
2146 | }; | |
2147 | ||
2148 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
2149 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
2150 | *longopts = (struct option *) | |
2151 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
2152 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
2153 | } | |
04925e1e | 2154 | |
24382dca | 2155 | #define DEFAULT_BUILD_ID_STYLE "sha1" |
c0065db7 | 2156 | |
3bcf5557 | 2157 | static bfd_boolean |
0c7a8e5a | 2158 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 2159 | { |
e0ee487b L |
2160 | switch (optc) |
2161 | { | |
2162 | default: | |
3bcf5557 | 2163 | return FALSE; |
6c1439be | 2164 | |
c0065db7 | 2165 | case OPTION_BUILD_ID: |
30e8ee25 | 2166 | if (emit_note_gnu_build_id != NULL) |
c0065db7 | 2167 | { |
30e8ee25 AM |
2168 | free ((char *) emit_note_gnu_build_id); |
2169 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
2170 | } |
2171 | if (optarg == NULL) | |
2172 | optarg = DEFAULT_BUILD_ID_STYLE; | |
2173 | if (strcmp (optarg, "none")) | |
30e8ee25 | 2174 | emit_note_gnu_build_id = xstrdup (optarg); |
c0065db7 | 2175 | break; |
fb42df5e AM |
2176 | |
2177 | EOF | |
2178 | ||
2179 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2180 | fragment <<EOF | |
7ee314fa | 2181 | case OPTION_AUDIT: |
4724d37e | 2182 | gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); |
7ee314fa | 2183 | break; |
fb42df5e | 2184 | |
7ee314fa AM |
2185 | case 'P': |
2186 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); | |
2187 | break; | |
c0065db7 | 2188 | |
6c1439be | 2189 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 2190 | link_info.new_dtags = FALSE; |
6c1439be L |
2191 | break; |
2192 | ||
2193 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 2194 | link_info.new_dtags = TRUE; |
6c1439be L |
2195 | break; |
2196 | ||
65765700 | 2197 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 2198 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
2199 | break; |
2200 | ||
a1ab1d2a UD |
2201 | case OPTION_GROUP: |
2202 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
2203 | /* Groups must be self-contained. */ | |
560e09e9 NC |
2204 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
2205 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
2206 | break; |
2207 | ||
b58f81ae DJ |
2208 | case OPTION_EXCLUDE_LIBS: |
2209 | add_excluded_libs (optarg); | |
2210 | break; | |
2211 | ||
fdc90cb4 JJ |
2212 | case OPTION_HASH_STYLE: |
2213 | link_info.emit_hash = FALSE; | |
2214 | link_info.emit_gnu_hash = FALSE; | |
2215 | if (strcmp (optarg, "sysv") == 0) | |
2216 | link_info.emit_hash = TRUE; | |
2217 | else if (strcmp (optarg, "gnu") == 0) | |
2218 | link_info.emit_gnu_hash = TRUE; | |
2219 | else if (strcmp (optarg, "both") == 0) | |
2220 | { | |
2221 | link_info.emit_hash = TRUE; | |
2222 | link_info.emit_gnu_hash = TRUE; | |
2223 | } | |
2224 | else | |
2225 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
2226 | break; | |
2227 | ||
fb42df5e AM |
2228 | EOF |
2229 | fi | |
2230 | fragment <<EOF | |
e0ee487b | 2231 | case 'z': |
fb42df5e AM |
2232 | if (strcmp (optarg, "defs") == 0) |
2233 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; | |
2234 | else if (strcmp (optarg, "muldefs") == 0) | |
2235 | link_info.allow_multiple_definition = TRUE; | |
2236 | else if (CONST_STRNEQ (optarg, "max-page-size=")) | |
2237 | { | |
2238 | char *end; | |
2239 | ||
2240 | config.maxpagesize = strtoul (optarg + 14, &end, 0); | |
2241 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) | |
2242 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), | |
2243 | optarg + 14); | |
2244 | } | |
2245 | else if (CONST_STRNEQ (optarg, "common-page-size=")) | |
2246 | { | |
2247 | char *end; | |
2248 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
2249 | if (*end | |
2250 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
2251 | einfo (_("%P%F: invalid common page size \`%s'\n"), | |
2252 | optarg + 17); | |
2253 | } | |
04c3a755 NS |
2254 | else if (CONST_STRNEQ (optarg, "stack-size=")) |
2255 | { | |
2256 | char *end; | |
2257 | link_info.stacksize = strtoul (optarg + 11, &end, 0); | |
2258 | if (*end || link_info.stacksize < 0) | |
2259 | einfo (_("%P%F: invalid stack size \`%s'\n"), optarg + 11); | |
2260 | if (!link_info.stacksize) | |
2261 | /* Use -1 for explicit no-stack, because zero means | |
2262 | 'default'. */ | |
2263 | link_info.stacksize = -1; | |
2264 | } | |
fb42df5e AM |
2265 | else if (strcmp (optarg, "execstack") == 0) |
2266 | { | |
2267 | link_info.execstack = TRUE; | |
2268 | link_info.noexecstack = FALSE; | |
2269 | } | |
2270 | else if (strcmp (optarg, "noexecstack") == 0) | |
2271 | { | |
2272 | link_info.noexecstack = TRUE; | |
2273 | link_info.execstack = FALSE; | |
2274 | } | |
2275 | EOF | |
2276 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2277 | fragment <<EOF | |
b039ef04 L |
2278 | else if (strcmp (optarg, "global") == 0) |
2279 | link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL; | |
fb42df5e | 2280 | else if (strcmp (optarg, "initfirst") == 0) |
e0ee487b L |
2281 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; |
2282 | else if (strcmp (optarg, "interpose") == 0) | |
2283 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
2284 | else if (strcmp (optarg, "loadfltr") == 0) | |
2285 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
2286 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
2287 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
2288 | else if (strcmp (optarg, "nodelete") == 0) | |
2289 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
2290 | else if (strcmp (optarg, "nodlopen") == 0) | |
2291 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
2292 | else if (strcmp (optarg, "nodump") == 0) | |
2293 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
2294 | else if (strcmp (optarg, "now") == 0) | |
2295 | { | |
2296 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
2297 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
2298 | } | |
5fa222e4 AM |
2299 | else if (strcmp (optarg, "lazy") == 0) |
2300 | { | |
2301 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
2302 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
2303 | } | |
e0ee487b L |
2304 | else if (strcmp (optarg, "origin") == 0) |
2305 | { | |
2306 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
2307 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
2308 | } | |
db6751f2 | 2309 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 2310 | link_info.combreloc = TRUE; |
db6751f2 | 2311 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 2312 | link_info.combreloc = FALSE; |
8bd621d8 | 2313 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 2314 | link_info.nocopyreloc = TRUE; |
8c37241b JJ |
2315 | else if (strcmp (optarg, "relro") == 0) |
2316 | link_info.relro = TRUE; | |
2317 | else if (strcmp (optarg, "norelro") == 0) | |
2318 | link_info.relro = FALSE; | |
c192a133 AM |
2319 | else if (strcmp (optarg, "text") == 0) |
2320 | link_info.error_textrel = TRUE; | |
2321 | else if (strcmp (optarg, "notext") == 0) | |
2322 | link_info.error_textrel = FALSE; | |
2323 | else if (strcmp (optarg, "textoff") == 0) | |
2324 | link_info.error_textrel = FALSE; | |
88b882e9 | 2325 | EOF |
fb42df5e | 2326 | fi |
88b882e9 | 2327 | |
92b93329 | 2328 | fragment <<EOF |
fb42df5e AM |
2329 | else |
2330 | einfo (_("%P: warning: -z %s ignored.\n"), optarg); | |
6c1439be | 2331 | break; |
e0ee487b | 2332 | EOF |
e0ee487b L |
2333 | |
2334 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
92b93329 | 2335 | fragment <<EOF |
e0ee487b L |
2336 | $PARSE_AND_LIST_ARGS_CASES |
2337 | EOF | |
2338 | fi | |
2339 | ||
92b93329 | 2340 | fragment <<EOF |
e0ee487b L |
2341 | } |
2342 | ||
3bcf5557 | 2343 | return TRUE; |
e0ee487b L |
2344 | } |
2345 | ||
41392f03 | 2346 | EOF |
41392f03 | 2347 | |
4b209b22 | 2348 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
92b93329 | 2349 | fragment <<EOF |
41392f03 | 2350 | |
e0ee487b | 2351 | static void |
0c7a8e5a | 2352 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b | 2353 | { |
fb42df5e AM |
2354 | EOF |
2355 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2356 | fragment <<EOF | |
7ee314fa AM |
2357 | fprintf (file, _("\ |
2358 | --audit=AUDITLIB Specify a library to use for auditing\n")); | |
2359 | fprintf (file, _("\ | |
fb42df5e AM |
2360 | -Bgroup Selects group name lookup rules for DSO\n")); |
2361 | EOF | |
2362 | fi | |
2363 | fragment <<EOF | |
2364 | fprintf (file, _("\ | |
2365 | --build-id[=STYLE] Generate build ID note\n")); | |
e0ee487b | 2366 | EOF |
e0ee487b | 2367 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2368 | fragment <<EOF |
442996ee | 2369 | fprintf (file, _("\ |
fb42df5e | 2370 | -P AUDITLIB, --depaudit=AUDITLIB\n" "\ |
4724d37e | 2371 | Specify a library to use for auditing dependencies\n")); |
442996ee AM |
2372 | fprintf (file, _("\ |
2373 | --disable-new-dtags Disable new dynamic tags\n")); | |
2374 | fprintf (file, _("\ | |
2375 | --enable-new-dtags Enable new dynamic tags\n")); | |
2376 | fprintf (file, _("\ | |
2377 | --eh-frame-hdr Create .eh_frame_hdr section\n")); | |
2378 | fprintf (file, _("\ | |
fb42df5e AM |
2379 | --exclude-libs=LIBS Make all symbols in LIBS hidden\n")); |
2380 | fprintf (file, _("\ | |
442996ee AM |
2381 | --hash-style=STYLE Set hash style to sysv, gnu or both\n")); |
2382 | fprintf (file, _("\ | |
2383 | -z combreloc Merge dynamic relocs into one section and sort\n")); | |
fb42df5e AM |
2384 | EOF |
2385 | fi | |
2386 | ||
2387 | fragment <<EOF | |
2388 | fprintf (file, _("\ | |
2389 | -z common-page-size=SIZE Set common page size to SIZE\n")); | |
442996ee AM |
2390 | fprintf (file, _("\ |
2391 | -z defs Report unresolved symbols in object files.\n")); | |
2392 | fprintf (file, _("\ | |
2393 | -z execstack Mark executable as requiring executable stack\n")); | |
fb42df5e AM |
2394 | EOF |
2395 | ||
2396 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2397 | fragment <<EOF | |
442996ee | 2398 | fprintf (file, _("\ |
b039ef04 | 2399 | -z global Make symbols in DSO available for subsequently\n\ |
4724d37e | 2400 | loaded objects\n")); |
b039ef04 | 2401 | fprintf (file, _("\ |
442996ee AM |
2402 | -z initfirst Mark DSO to be initialized first at runtime\n")); |
2403 | fprintf (file, _("\ | |
2404 | -z interpose Mark object to interpose all DSOs but executable\n")); | |
2405 | fprintf (file, _("\ | |
2406 | -z lazy Mark object lazy runtime binding (default)\n")); | |
2407 | fprintf (file, _("\ | |
2408 | -z loadfltr Mark object requiring immediate process\n")); | |
fb42df5e AM |
2409 | EOF |
2410 | fi | |
2411 | ||
2412 | fragment <<EOF | |
2413 | fprintf (file, _("\ | |
2414 | -z max-page-size=SIZE Set maximum page size to SIZE\n")); | |
442996ee AM |
2415 | fprintf (file, _("\ |
2416 | -z muldefs Allow multiple definitions\n")); | |
fb42df5e AM |
2417 | EOF |
2418 | ||
2419 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2420 | fragment <<EOF | |
442996ee AM |
2421 | fprintf (file, _("\ |
2422 | -z nocombreloc Don't merge dynamic relocs into one section\n")); | |
2423 | fprintf (file, _("\ | |
2424 | -z nocopyreloc Don't create copy relocs\n")); | |
2425 | fprintf (file, _("\ | |
2426 | -z nodefaultlib Mark object not to use default search paths\n")); | |
2427 | fprintf (file, _("\ | |
2428 | -z nodelete Mark DSO non-deletable at runtime\n")); | |
2429 | fprintf (file, _("\ | |
2430 | -z nodlopen Mark DSO not available to dlopen\n")); | |
2431 | fprintf (file, _("\ | |
2432 | -z nodump Mark DSO not available to dldump\n")); | |
fb42df5e AM |
2433 | EOF |
2434 | fi | |
2435 | fragment <<EOF | |
442996ee AM |
2436 | fprintf (file, _("\ |
2437 | -z noexecstack Mark executable as not requiring executable stack\n")); | |
88b882e9 | 2438 | EOF |
fb42df5e | 2439 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2440 | fragment <<EOF |
442996ee AM |
2441 | fprintf (file, _("\ |
2442 | -z norelro Don't create RELRO program header\n")); | |
442996ee AM |
2443 | fprintf (file, _("\ |
2444 | -z now Mark object non-lazy runtime binding\n")); | |
2445 | fprintf (file, _("\ | |
2446 | -z origin Mark object requiring immediate \$ORIGIN\n\ | |
4724d37e | 2447 | processing at runtime\n")); |
442996ee AM |
2448 | fprintf (file, _("\ |
2449 | -z relro Create RELRO program header\n")); | |
07e15f87 NS |
2450 | fprintf (file, _("\ |
2451 | -z stacksize=SIZE Set size of stack segment\n")); | |
88b882e9 | 2452 | EOF |
e0ee487b L |
2453 | fi |
2454 | ||
2455 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
92b93329 | 2456 | fragment <<EOF |
e0ee487b L |
2457 | $PARSE_AND_LIST_OPTIONS |
2458 | EOF | |
2459 | fi | |
2460 | ||
92b93329 | 2461 | fragment <<EOF |
e0ee487b L |
2462 | } |
2463 | EOF | |
e0ee487b L |
2464 | |
2465 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
92b93329 | 2466 | fragment <<EOF |
e0ee487b L |
2467 | $PARSE_AND_LIST_EPILOGUE |
2468 | EOF | |
2469 | fi | |
41392f03 | 2470 | fi |
e0ee487b | 2471 | |
92b93329 | 2472 | fragment <<EOF |
252b5132 | 2473 | |
60bcf0fa | 2474 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2475 | { |
41392f03 AM |
2476 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2477 | ${LDEMUL_SYSLIB-syslib_default}, | |
2478 | ${LDEMUL_HLL-hll_default}, | |
eeaa4577 | 2479 | ${LDEMUL_AFTER_PARSE-after_parse_default}, |
41392f03 | 2480 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, |
eaeb0a9d | 2481 | ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, |
41392f03 AM |
2482 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
2483 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2484 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2485 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2486 | "${EMULATION_NAME}", |
2487 | "${OUTPUT_FORMAT}", | |
eaeb0a9d | 2488 | ${LDEMUL_FINISH-finish_default}, |
41392f03 AM |
2489 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2490 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2491 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2492 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2493 | ${LDEMUL_PARSE_ARGS-NULL}, |
2494 | gld${EMULATION_NAME}_add_options, | |
2495 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2496 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 2497 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 2498 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2499 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 2500 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
2501 | }; |
2502 | EOF |