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