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${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`; |
caa65211 | 106 | `if test -n "$CALL_NOP_BYTE" ; then echo link_info.call_nop_byte = $CALL_NOP_BYTE; fi`; |
5c3261b0 | 107 | link_info.check_relocs_after_open_input = TRUE; |
647e4d46 | 108 | link_info.relro = DEFAULT_LD_Z_RELRO; |
f6aec96d | 109 | link_info.separate_code = DEFAULT_LD_Z_SEPARATE_CODE; |
663fa543 L |
110 | } |
111 | ||
822b8bf4 | 112 | EOF |
663fa543 | 113 | fi |
822b8bf4 | 114 | |
5fe2850d L |
115 | if test x"$LDEMUL_AFTER_PARSE" != xgld"$EMULATION_NAME"_after_parse; then |
116 | fragment <<EOF | |
117 | ||
118 | static void | |
119 | gld${EMULATION_NAME}_after_parse (void) | |
120 | { | |
121 | if (bfd_link_pie (&link_info)) | |
122 | link_info.flags_1 |= (bfd_vma) DF_1_PIE; | |
123 | ||
22b1ee18 AM |
124 | if (bfd_link_executable (&link_info) |
125 | && link_info.nointerp) | |
126 | { | |
127 | if (link_info.dynamic_undefined_weak > 0) | |
128 | einfo (_("%P: warning: -z dynamic-undefined-weak ignored\n")); | |
129 | link_info.dynamic_undefined_weak = 0; | |
130 | } | |
5fe2850d L |
131 | after_parse_default (); |
132 | } | |
133 | ||
134 | EOF | |
135 | fi | |
136 | ||
4a43e768 | 137 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
92b93329 | 138 | fragment <<EOF |
ddbb8a31 | 139 | /* Handle the generation of DT_NEEDED tags. */ |
4a43e768 AM |
140 | |
141 | static bfd_boolean | |
142 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
143 | { | |
96d56e9f | 144 | int link_class = 0; |
4a43e768 AM |
145 | |
146 | /* Tell the ELF linker that we don't want the output file to have a | |
147 | DT_NEEDED entry for this file, unless it is used to resolve | |
148 | references in a regular object. */ | |
66be1055 | 149 | if (entry->flags.add_DT_NEEDED_for_regular) |
96d56e9f | 150 | link_class = DYN_AS_NEEDED; |
e56f61be L |
151 | |
152 | /* Tell the ELF linker that we don't want the output file to have a | |
153 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
154 | this file at all. */ | |
66be1055 | 155 | if (!entry->flags.add_DT_NEEDED_for_dynamic) |
96d56e9f | 156 | link_class |= DYN_NO_ADD_NEEDED; |
e56f61be | 157 | |
66be1055 | 158 | if (entry->flags.just_syms |
12b9ff6c | 159 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) |
df5f2391 | 160 | einfo (_("%F%P: %pB: --just-symbols may not be used on DSO\n"), |
12b9ff6c L |
161 | entry->the_bfd); |
162 | ||
ddbb8a31 | 163 | if (link_class == 0 |
e56f61be L |
164 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) |
165 | return FALSE; | |
166 | ||
1e9cc1c2 | 167 | bfd_elf_set_dyn_lib_class (entry->the_bfd, |
4724d37e | 168 | (enum dynamic_lib_link_class) link_class); |
4a43e768 AM |
169 | |
170 | /* Continue on with normal load_symbols processing. */ | |
171 | return FALSE; | |
172 | } | |
173 | EOF | |
174 | fi | |
175 | ||
92b93329 | 176 | fragment <<EOF |
252b5132 RH |
177 | |
178 | /* These variables are required to pass information back and forth | |
179 | between after_open and check_needed and stat_needed and vercheck. */ | |
180 | ||
181 | static struct bfd_link_needed_list *global_needed; | |
182 | static struct stat global_stat; | |
e13629bc | 183 | static lang_input_statement_type *global_found; |
252b5132 | 184 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 185 | static bfd_boolean global_vercheck_failed; |
252b5132 | 186 | |
7ee314fa AM |
187 | /* These variables are used to implement target options */ |
188 | ||
189 | static char *audit; /* colon (typically) separated list of libs */ | |
190 | static char *depaudit; /* colon (typically) separated list of libs */ | |
252b5132 | 191 | |
30e8ee25 AM |
192 | /* Style of .note.gnu.build-id section. */ |
193 | static const char *emit_note_gnu_build_id; | |
194 | ||
04925e1e AM |
195 | /* On Linux, it's possible to have different versions of the same |
196 | shared library linked against different versions of libc. The | |
197 | dynamic linker somehow tags which libc version to use in | |
198 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
199 | executable, chooses which version of the shared library to use. | |
252b5132 | 200 | |
04925e1e AM |
201 | We try to do a similar check here by checking whether this shared |
202 | library needs any other shared libraries which may conflict with | |
203 | libraries we have already included in the link. If it does, we | |
204 | skip it, and try to find another shared library farther on down the | |
205 | link path. | |
252b5132 | 206 | |
04925e1e AM |
207 | This is called via lang_for_each_input_file. |
208 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 209 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 210 | a conflicting version. */ |
252b5132 | 211 | |
04925e1e | 212 | static void |
0c7a8e5a | 213 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 214 | { |
1c9acd94 | 215 | const char *soname; |
04925e1e | 216 | struct bfd_link_needed_list *l; |
252b5132 | 217 | |
04925e1e AM |
218 | if (global_vercheck_failed) |
219 | return; | |
220 | if (s->the_bfd == NULL | |
221 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
222 | return; | |
252b5132 | 223 | |
04925e1e AM |
224 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
225 | if (soname == NULL) | |
fed2999d | 226 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
227 | |
228 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
229 | { | |
230 | const char *suffix; | |
231 | ||
42627821 | 232 | if (filename_cmp (soname, l->name) == 0) |
04925e1e AM |
233 | { |
234 | /* Probably can't happen, but it's an easy check. */ | |
235 | continue; | |
252b5132 RH |
236 | } |
237 | ||
04925e1e | 238 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
239 | continue; |
240 | ||
04925e1e AM |
241 | suffix = strstr (l->name, ".so."); |
242 | if (suffix == NULL) | |
243 | continue; | |
244 | ||
245 | suffix += sizeof ".so." - 1; | |
246 | ||
42627821 | 247 | if (filename_ncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
248 | { |
249 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
250 | the object we are considering needs a dynamic object |
251 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
252 | appears to be a version mismatch, so we tell the caller | |
253 | to try a different version of this library. */ | |
b34976b6 | 254 | global_vercheck_failed = TRUE; |
04925e1e AM |
255 | return; |
256 | } | |
252b5132 RH |
257 | } |
258 | } | |
259 | ||
252b5132 | 260 | |
04925e1e AM |
261 | /* See if an input file matches a DT_NEEDED entry by running stat on |
262 | the file. */ | |
263 | ||
264 | static void | |
0c7a8e5a | 265 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 266 | { |
04925e1e AM |
267 | struct stat st; |
268 | const char *suffix; | |
269 | const char *soname; | |
252b5132 | 270 | |
e13629bc | 271 | if (global_found != NULL) |
04925e1e AM |
272 | return; |
273 | if (s->the_bfd == NULL) | |
274 | return; | |
e13629bc AM |
275 | |
276 | /* If this input file was an as-needed entry, and wasn't found to be | |
277 | needed at the stage it was linked, then don't say we have loaded it. */ | |
278 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 279 | return; |
04925e1e AM |
280 | |
281 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 282 | { |
df5f2391 | 283 | einfo (_("%P: %pB: bfd_stat failed: %E\n"), s->the_bfd); |
04925e1e AM |
284 | return; |
285 | } | |
252b5132 | 286 | |
9eabd475 ZW |
287 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
288 | st_ino; they always set it to zero. (Windows does provide a | |
289 | meaningful st_dev.) Do not indicate a duplicate library in that | |
290 | case. While there is no guarantee that a system that provides | |
291 | meaningful inode numbers will never set st_ino to zero, this is | |
292 | merely an optimization, so we do not need to worry about false | |
293 | negatives. */ | |
04925e1e | 294 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
295 | && st.st_ino == global_stat.st_ino |
296 | && st.st_ino != 0) | |
04925e1e | 297 | { |
e13629bc | 298 | global_found = s; |
04925e1e AM |
299 | return; |
300 | } | |
252b5132 | 301 | |
04925e1e AM |
302 | /* We issue a warning if it looks like we are including two |
303 | different versions of the same shared library. For example, | |
304 | there may be a problem if -lc picks up libc.so.6 but some other | |
305 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 306 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
307 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
308 | If we really want to issue warnings about mixing version numbers | |
309 | of shared libraries, we need to find a better way. */ | |
252b5132 | 310 | |
04925e1e AM |
311 | if (strchr (global_needed->name, '/') != NULL) |
312 | return; | |
313 | suffix = strstr (global_needed->name, ".so."); | |
314 | if (suffix == NULL) | |
315 | return; | |
316 | suffix += sizeof ".so." - 1; | |
252b5132 | 317 | |
04925e1e AM |
318 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
319 | if (soname == NULL) | |
fed2999d | 320 | soname = lbasename (s->filename); |
252b5132 | 321 | |
42627821 | 322 | if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
871b3ab2 | 323 | einfo (_("%P: warning: %s, needed by %pB, may conflict with %s\n"), |
1c9acd94 | 324 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
325 | } |
326 | ||
e56f61be L |
327 | struct dt_needed |
328 | { | |
329 | bfd *by; | |
330 | const char *name; | |
331 | }; | |
04925e1e | 332 | |
252b5132 RH |
333 | /* This function is called for each possible name for a dynamic object |
334 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
335 | to skip the check for a conflicting version. */ | |
336 | ||
b34976b6 | 337 | static bfd_boolean |
e56f61be L |
338 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
339 | int force) | |
252b5132 RH |
340 | { |
341 | bfd *abfd; | |
e56f61be | 342 | const char *name = needed->name; |
ec4eb78a | 343 | const char *soname; |
96d56e9f | 344 | int link_class; |
252b5132 | 345 | |
f13a99db | 346 | abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd)); |
252b5132 | 347 | if (abfd == NULL) |
0ec22c2c NC |
348 | { |
349 | if (verbose) | |
350 | info_msg (_("attempt to open %s failed\n"), name); | |
351 | return FALSE; | |
352 | } | |
4a114e3e L |
353 | |
354 | /* Linker needs to decompress sections. */ | |
355 | abfd->flags |= BFD_DECOMPRESS; | |
356 | ||
252b5132 RH |
357 | if (! bfd_check_format (abfd, bfd_object)) |
358 | { | |
cde43e70 | 359 | bfd_close (abfd); |
b34976b6 | 360 | return FALSE; |
252b5132 RH |
361 | } |
362 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
363 | { | |
cde43e70 | 364 | bfd_close (abfd); |
b34976b6 | 365 | return FALSE; |
252b5132 RH |
366 | } |
367 | ||
c4bb8067 | 368 | /* For DT_NEEDED, they have to match. */ |
f13a99db | 369 | if (abfd->xvec != link_info.output_bfd->xvec) |
c4bb8067 L |
370 | { |
371 | bfd_close (abfd); | |
b34976b6 | 372 | return FALSE; |
c4bb8067 L |
373 | } |
374 | ||
252b5132 RH |
375 | /* Check whether this object would include any conflicting library |
376 | versions. If FORCE is set, then we skip this check; we use this | |
377 | the second time around, if we couldn't find any compatible | |
378 | instance of the shared library. */ | |
379 | ||
380 | if (! force) | |
381 | { | |
91d6fa6a | 382 | struct bfd_link_needed_list *needs; |
252b5132 | 383 | |
91d6fa6a | 384 | if (! bfd_elf_get_bfd_needed_list (abfd, &needs)) |
df5f2391 | 385 | einfo (_("%F%P: %pB: bfd_elf_get_bfd_needed_list failed: %E\n"), abfd); |
252b5132 | 386 | |
91d6fa6a | 387 | if (needs != NULL) |
252b5132 | 388 | { |
91d6fa6a | 389 | global_vercheck_needed = needs; |
b34976b6 | 390 | global_vercheck_failed = FALSE; |
252b5132 RH |
391 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
392 | if (global_vercheck_failed) | |
393 | { | |
cde43e70 | 394 | bfd_close (abfd); |
b34976b6 | 395 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 396 | another file on the search path. */ |
b34976b6 | 397 | return FALSE; |
252b5132 RH |
398 | } |
399 | ||
400 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
401 | library does not use libc at all, we are supposed to skip |
402 | it the first time around in case we encounter a shared | |
403 | library later on with the same name which does use the | |
404 | version of libc that we want. This is much too horrible | |
405 | to use on any system other than Linux. */ | |
252b5132 RH |
406 | |
407 | EOF | |
408 | case ${target} in | |
a5244b7e | 409 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 410 | fragment <<EOF |
252b5132 RH |
411 | { |
412 | struct bfd_link_needed_list *l; | |
413 | ||
91d6fa6a | 414 | for (l = needs; l != NULL; l = l->next) |
0112cd26 | 415 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
416 | break; |
417 | if (l == NULL) | |
418 | { | |
cde43e70 | 419 | bfd_close (abfd); |
b34976b6 | 420 | return FALSE; |
252b5132 RH |
421 | } |
422 | } | |
423 | ||
424 | EOF | |
425 | ;; | |
426 | esac | |
92b93329 | 427 | fragment <<EOF |
252b5132 RH |
428 | } |
429 | } | |
430 | ||
431 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
432 | ||
04925e1e AM |
433 | /* We have already checked that there is no other input file of the |
434 | same name. We must now check again that we are not including the | |
435 | same file twice. We need to do this because on many systems | |
436 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
437 | reference libc.so.1. If we have already included libc.so, we | |
438 | don't want to include libc.so.1 if they are the same file, and we | |
439 | can only check that using stat. */ | |
440 | ||
441 | if (bfd_stat (abfd, &global_stat) != 0) | |
df5f2391 | 442 | einfo (_("%F%P: %pB: bfd_stat failed: %E\n"), abfd); |
ec4eb78a L |
443 | |
444 | /* First strip off everything before the last '/'. */ | |
fed2999d | 445 | soname = lbasename (abfd->filename); |
ec4eb78a | 446 | |
cd6f1cf3 | 447 | if (verbose) |
ec4eb78a L |
448 | info_msg (_("found %s at %s\n"), soname, name); |
449 | ||
e13629bc | 450 | global_found = NULL; |
04925e1e | 451 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 452 | if (global_found != NULL) |
04925e1e | 453 | { |
b34976b6 | 454 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 455 | we aren't going to do anything with it. */ |
b34976b6 | 456 | return TRUE; |
04925e1e AM |
457 | } |
458 | ||
4a43e768 AM |
459 | /* Specify the soname to use. */ |
460 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 461 | |
4a43e768 AM |
462 | /* Tell the ELF linker that we don't want the output file to have a |
463 | DT_NEEDED entry for this file, unless it is used to resolve | |
464 | references in a regular object. */ | |
96d56e9f | 465 | link_class = DYN_DT_NEEDED; |
e56f61be L |
466 | |
467 | /* Tell the ELF linker that we don't want the output file to have a | |
468 | DT_NEEDED entry for this file at all if the entry is from a file | |
469 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
470 | if (needed->by != NULL |
471 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
96d56e9f | 472 | link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
e56f61be | 473 | |
1e9cc1c2 | 474 | bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class); |
04925e1e AM |
475 | |
476 | /* Add this file into the symbol table. */ | |
477 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
df5f2391 | 478 | einfo (_("%F%P: %pB: error adding symbols: %E\n"), abfd); |
04925e1e | 479 | |
b34976b6 | 480 | return TRUE; |
04925e1e AM |
481 | } |
482 | ||
04925e1e AM |
483 | /* Search for a needed file in a path. */ |
484 | ||
b34976b6 | 485 | static bfd_boolean |
e56f61be L |
486 | gld${EMULATION_NAME}_search_needed (const char *path, |
487 | struct dt_needed *n, int force) | |
04925e1e AM |
488 | { |
489 | const char *s; | |
e56f61be | 490 | const char *name = n->name; |
04925e1e | 491 | size_t len; |
e56f61be | 492 | struct dt_needed needed; |
04925e1e | 493 | |
cc5ce052 | 494 | if (name[0] == '/') |
e56f61be | 495 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 496 | |
04925e1e | 497 | if (path == NULL || *path == '\0') |
b34976b6 | 498 | return FALSE; |
e56f61be L |
499 | |
500 | needed.by = n->by; | |
501 | needed.name = n->name; | |
502 | ||
04925e1e AM |
503 | len = strlen (name); |
504 | while (1) | |
505 | { | |
e680a6b6 | 506 | unsigned offset = 0; |
199fa1b7 | 507 | char * var; |
04925e1e AM |
508 | char *filename, *sset; |
509 | ||
c76308d2 | 510 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
511 | if (s == NULL) |
512 | s = path + strlen (path); | |
513 | ||
07f1e47a AM |
514 | #if HAVE_DOS_BASED_FILE_SYSTEM |
515 | /* Assume a match on the second char is part of drive specifier. */ | |
516 | else if (config.rpath_separator == ':' | |
517 | && s == path + 1 | |
518 | && ISALPHA (*path)) | |
519 | { | |
520 | s = strchr (s + 1, config.rpath_separator); | |
521 | if (s == NULL) | |
522 | s = path + strlen (path); | |
523 | } | |
524 | #endif | |
04925e1e AM |
525 | filename = (char *) xmalloc (s - path + len + 2); |
526 | if (s == path) | |
527 | sset = filename; | |
528 | else | |
529 | { | |
530 | memcpy (filename, path, s - path); | |
531 | filename[s - path] = '/'; | |
532 | sset = filename + (s - path) + 1; | |
533 | } | |
534 | strcpy (sset, name); | |
535 | ||
199fa1b7 NC |
536 | /* PR 20535: Support the same pseudo-environment variables that |
537 | are supported by ld.so. Namely, $ORIGIN, $LIB and $PLATFORM. | |
559192d8 | 538 | Since there can be more than one occurrence of these tokens in |
e680a6b6 NC |
539 | the path we loop until no more are found. Since we might not |
540 | be able to substitute some of the tokens we maintain an offset | |
541 | into the filename for where we should begin our scan. */ | |
542 | while ((var = strchr (filename + offset, '$')) != NULL) | |
199fa1b7 NC |
543 | { |
544 | /* The ld.so manual page does not say, but I am going to assume that | |
839b0b3f | 545 | these tokens are terminated by a directory separator character |
199fa1b7 NC |
546 | (/) or the end of the string. There is also an implication that |
547 | $ORIGIN should only be used at the start of a path, but that is | |
548 | not enforced here. | |
549 | ||
e680a6b6 NC |
550 | The ld.so manual page also states that it allows ${ORIGIN}, |
551 | ${LIB} and ${PLATFORM}, so these are supported as well. | |
199fa1b7 NC |
552 | |
553 | FIXME: The code could be a lot cleverer about allocating space | |
554 | for the processed string. */ | |
555 | char * end = strchr (var, '/'); | |
556 | char * replacement = NULL; | |
e680a6b6 | 557 | char * v = var + 1; |
199fa1b7 NC |
558 | char * freeme = NULL; |
559 | unsigned flen = strlen (filename); | |
560 | ||
561 | if (end != NULL) | |
562 | /* Temporarily terminate the filename at the end of the token. */ | |
563 | * end = 0; | |
564 | ||
e680a6b6 NC |
565 | if (*v == '{') |
566 | ++ v; | |
567 | switch (*v++) | |
199fa1b7 NC |
568 | { |
569 | case 'O': | |
e680a6b6 | 570 | if (strcmp (v, "RIGIN") == 0 || strcmp (v, "RIGIN}") == 0) |
199fa1b7 NC |
571 | { |
572 | /* ORIGIN - replace with the full path to the directory | |
573 | containing the program or shared object. */ | |
574 | if (needed.by == NULL) | |
e680a6b6 NC |
575 | { |
576 | if (link_info.output_bfd == NULL) | |
577 | { | |
578 | break; | |
579 | } | |
580 | else | |
581 | replacement = bfd_get_filename (link_info.output_bfd); | |
582 | } | |
583 | else | |
584 | replacement = bfd_get_filename (needed.by); | |
585 | ||
199fa1b7 NC |
586 | if (replacement) |
587 | { | |
588 | char * slash; | |
589 | ||
590 | if (replacement[0] == '/') | |
591 | freeme = xstrdup (replacement); | |
592 | else | |
593 | { | |
594 | char * current_dir = getpwd (); | |
595 | ||
51750acd | 596 | freeme = xmalloc (strlen (replacement) + strlen (current_dir) + 2); |
199fa1b7 NC |
597 | sprintf (freeme, "%s/%s", current_dir, replacement); |
598 | } | |
599 | ||
600 | replacement = freeme; | |
601 | if ((slash = strrchr (replacement, '/')) != NULL) | |
602 | * slash = 0; | |
603 | } | |
604 | } | |
605 | break; | |
606 | ||
607 | case 'L': | |
e680a6b6 | 608 | if (strcmp (v, "IB") == 0 || strcmp (v, "IB}") == 0) |
199fa1b7 NC |
609 | { |
610 | /* LIB - replace with "lib" in 32-bit environments | |
611 | and "lib64" in 64-bit environments. */ | |
612 | ||
613 | /* Note - we could replace this switch statement by | |
614 | conditional fragments of shell script, but that is messy. | |
615 | Any compiler worth its salt is going to optimize away | |
616 | all but one of these case statements anyway. */ | |
617 | switch ($ELFSIZE) | |
618 | { | |
619 | case 32: replacement = "lib"; break; | |
620 | case 64: replacement = "lib64"; break; | |
621 | default: | |
622 | /* $ELFSIZE is not 32 or 64 ... */ | |
623 | abort (); | |
624 | } | |
625 | } | |
626 | break; | |
627 | ||
628 | case 'P': | |
e680a6b6 NC |
629 | /* Supporting $PLATFORM in a cross-hosted environment is not |
630 | possible. Supporting it in a native environment involves | |
631 | loading the <sys/auxv.h> header file which loads the | |
632 | system <elf.h> header file, which conflicts with the | |
633 | "include/elf/mips.h" header file. */ | |
634 | /* Fall through. */ | |
199fa1b7 NC |
635 | default: |
636 | break; | |
637 | } | |
638 | ||
639 | if (replacement) | |
640 | { | |
641 | char * filename2 = xmalloc (flen + strlen (replacement)); | |
642 | ||
643 | if (end) | |
e680a6b6 NC |
644 | { |
645 | sprintf (filename2, "%.*s%s/%s", | |
646 | (int)(var - filename), filename, | |
647 | replacement, end + 1); | |
648 | offset = (var - filename) + 1 + strlen (replacement); | |
649 | } | |
199fa1b7 | 650 | else |
e680a6b6 NC |
651 | { |
652 | sprintf (filename2, "%.*s%s", | |
653 | (int)(var - filename), filename, | |
654 | replacement); | |
655 | offset = var - filename + strlen (replacement); | |
656 | } | |
657 | ||
199fa1b7 NC |
658 | free (filename); |
659 | filename = filename2; | |
660 | /* There is no need to restore the path separator (when | |
661 | end != NULL) as we have replaced the entire string. */ | |
662 | } | |
663 | else | |
664 | { | |
665 | if (verbose) | |
666 | /* We only issue an "unrecognised" message in verbose mode | |
667 | as the $<foo> token might be a legitimate component of | |
668 | a path name in the target's file system. */ | |
88ba72a2 | 669 | info_msg (_("unrecognised or unsupported token '%s' in search path\n"), var); |
199fa1b7 NC |
670 | |
671 | if (end) | |
672 | /* Restore the path separator. */ | |
673 | * end = '/'; | |
e680a6b6 | 674 | |
559192d8 AM |
675 | /* PR 20784: Make sure that we resume the scan *after* |
676 | the token that we could not replace. */ | |
e680a6b6 | 677 | offset = (var + 1) - filename; |
199fa1b7 NC |
678 | } |
679 | ||
680 | free (freeme); | |
681 | } | |
682 | ||
e56f61be | 683 | needed.name = filename; |
e680a6b6 | 684 | |
e56f61be | 685 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) |
b34976b6 | 686 | return TRUE; |
04925e1e AM |
687 | |
688 | free (filename); | |
689 | ||
690 | if (*s == '\0') | |
691 | break; | |
692 | path = s + 1; | |
693 | } | |
694 | ||
b34976b6 | 695 | return FALSE; |
04925e1e AM |
696 | } |
697 | ||
698 | EOF | |
9c8ebd6a | 699 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 700 | fragment <<EOF |
9c8ebd6a | 701 | |
316a1245 AM |
702 | /* Prefix the sysroot to absolute paths in PATH, a string containing |
703 | paths separated by config.rpath_separator. If running on a DOS | |
704 | file system, paths containing a drive spec won't have the sysroot | |
705 | prefix added, unless the sysroot also specifies the same drive. */ | |
9c8ebd6a | 706 | |
316a1245 | 707 | static const char * |
0c7a8e5a | 708 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a | 709 | { |
316a1245 AM |
710 | size_t len, extra; |
711 | const char *p; | |
712 | char *ret, *q; | |
713 | int dos_drive_sysroot = HAS_DRIVE_SPEC (ld_sysroot); | |
714 | ||
715 | len = strlen (ld_sysroot); | |
716 | for (extra = 0, p = path; ; ) | |
717 | { | |
718 | int dos_drive = HAS_DRIVE_SPEC (p); | |
719 | ||
720 | if (dos_drive) | |
721 | p += 2; | |
722 | if (IS_DIR_SEPARATOR (*p) | |
723 | && (!dos_drive | |
724 | || (dos_drive_sysroot | |
725 | && ld_sysroot[0] == p[-2]))) | |
726 | { | |
727 | if (dos_drive && dos_drive_sysroot) | |
728 | extra += len - 2; | |
729 | else | |
730 | extra += len; | |
731 | } | |
732 | p = strchr (p, config.rpath_separator); | |
733 | if (!p) | |
734 | break; | |
735 | ++p; | |
736 | } | |
737 | ||
738 | ret = xmalloc (strlen (path) + extra + 1); | |
739 | ||
740 | for (q = ret, p = path; ; ) | |
741 | { | |
742 | const char *end; | |
743 | int dos_drive = HAS_DRIVE_SPEC (p); | |
744 | ||
745 | if (dos_drive) | |
746 | { | |
747 | *q++ = *p++; | |
748 | *q++ = *p++; | |
749 | } | |
750 | if (IS_DIR_SEPARATOR (*p) | |
751 | && (!dos_drive | |
752 | || (dos_drive_sysroot | |
753 | && ld_sysroot[0] == p[-2]))) | |
754 | { | |
755 | if (dos_drive && dos_drive_sysroot) | |
756 | { | |
757 | strcpy (q, ld_sysroot + 2); | |
758 | q += len - 2; | |
759 | } | |
760 | else | |
761 | { | |
762 | strcpy (q, ld_sysroot); | |
763 | q += len; | |
764 | } | |
765 | } | |
766 | end = strchr (p, config.rpath_separator); | |
767 | if (end) | |
768 | { | |
769 | size_t n = end - p + 1; | |
770 | strncpy (q, p, n); | |
771 | q += n; | |
772 | p += n; | |
773 | } | |
774 | else | |
775 | { | |
776 | strcpy (q, p); | |
777 | break; | |
778 | } | |
779 | } | |
780 | ||
9c8ebd6a DJ |
781 | return ret; |
782 | } | |
04925e1e | 783 | |
3dc16cab DJ |
784 | EOF |
785 | case ${target} in | |
ebe1fac1 | 786 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 787 | fragment <<EOF |
ebe1fac1 NC |
788 | /* Read the system search path the FreeBSD way rather than the Linux way. */ |
789 | #ifdef HAVE_ELF_HINTS_H | |
790 | #include <elf-hints.h> | |
791 | #else | |
792 | #include "elf-hints-local.h" | |
793 | #endif | |
794 | ||
795 | static bfd_boolean | |
d5c8b1f8 AM |
796 | gld${EMULATION_NAME}_check_ld_elf_hints (const struct bfd_link_needed_list *l, |
797 | int force) | |
ebe1fac1 NC |
798 | { |
799 | static bfd_boolean initialized; | |
316a1245 | 800 | static const char *ld_elf_hints; |
ebe1fac1 NC |
801 | struct dt_needed needed; |
802 | ||
803 | if (!initialized) | |
804 | { | |
805 | FILE *f; | |
806 | char *tmppath; | |
807 | ||
ff7a0acf | 808 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL); |
ebe1fac1 NC |
809 | f = fopen (tmppath, FOPEN_RB); |
810 | free (tmppath); | |
811 | if (f != NULL) | |
812 | { | |
813 | struct elfhints_hdr hdr; | |
814 | ||
815 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
816 | && hdr.magic == ELFHINTS_MAGIC | |
817 | && hdr.version == 1) | |
818 | { | |
819 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
820 | { | |
821 | char *b; | |
822 | ||
823 | b = xmalloc (hdr.dirlistlen + 1); | |
824 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
825 | hdr.dirlistlen + 1) | |
826 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 827 | |
ebe1fac1 NC |
828 | free (b); |
829 | } | |
830 | } | |
831 | fclose (f); | |
832 | } | |
833 | ||
834 | initialized = TRUE; | |
835 | } | |
836 | ||
837 | if (ld_elf_hints == NULL) | |
838 | return FALSE; | |
839 | ||
d5c8b1f8 AM |
840 | needed.by = l->by; |
841 | needed.name = l->name; | |
842 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, &needed, force); | |
ebe1fac1 NC |
843 | } |
844 | EOF | |
845 | # FreeBSD | |
846 | ;; | |
847 | ||
a5244b7e | 848 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 849 | fragment <<EOF |
04925e1e AM |
850 | /* For a native linker, check the file /etc/ld.so.conf for directories |
851 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 852 | only meaningful on Linux. */ |
04925e1e | 853 | |
d3989512 | 854 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 855 | { |
d3989512 JJ |
856 | char *path; |
857 | size_t len, alloc; | |
858 | }; | |
04925e1e | 859 | |
dfcffada | 860 | static bfd_boolean |
d3989512 JJ |
861 | gld${EMULATION_NAME}_parse_ld_so_conf |
862 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
863 | ||
864 | static void | |
865 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
866 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
867 | const char *pattern) | |
868 | { | |
869 | char *newp = NULL; | |
0b48acfe | 870 | #ifdef HAVE_GLOB |
d3989512 | 871 | glob_t gl; |
0b48acfe | 872 | #endif |
d3989512 JJ |
873 | |
874 | if (pattern[0] != '/') | |
04925e1e | 875 | { |
d3989512 JJ |
876 | char *p = strrchr (filename, '/'); |
877 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 878 | |
d3989512 JJ |
879 | newp = xmalloc (p - filename + 1 + patlen); |
880 | memcpy (newp, filename, p - filename + 1); | |
881 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
882 | pattern = newp; | |
883 | } | |
04925e1e | 884 | |
0b48acfe | 885 | #ifdef HAVE_GLOB |
d3989512 JJ |
886 | if (glob (pattern, 0, NULL, &gl) == 0) |
887 | { | |
888 | size_t i; | |
889 | ||
890 | for (i = 0; i < gl.gl_pathc; ++i) | |
891 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
892 | globfree (&gl); | |
893 | } | |
0b48acfe MM |
894 | #else |
895 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
896 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
897 | #endif | |
d3989512 JJ |
898 | |
899 | if (newp) | |
900 | free (newp); | |
901 | } | |
902 | ||
dfcffada | 903 | static bfd_boolean |
d3989512 JJ |
904 | gld${EMULATION_NAME}_parse_ld_so_conf |
905 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
906 | { | |
907 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
908 | char *line; |
909 | size_t linelen; | |
d3989512 JJ |
910 | |
911 | if (f == NULL) | |
dfcffada | 912 | return FALSE; |
d3989512 | 913 | |
563f4125 JJ |
914 | linelen = 256; |
915 | line = xmalloc (linelen); | |
916 | do | |
d3989512 | 917 | { |
563f4125 JJ |
918 | char *p = line, *q; |
919 | ||
920 | /* Normally this would use getline(3), but we need to be portable. */ | |
921 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
922 | && strlen (q) == linelen - (p - line) - 1 | |
923 | && line[linelen - 2] != '\n') | |
924 | { | |
925 | line = xrealloc (line, 2 * linelen); | |
926 | p = line + linelen - 1; | |
927 | linelen += linelen; | |
928 | } | |
929 | ||
930 | if (q == NULL && p == line) | |
931 | break; | |
d3989512 JJ |
932 | |
933 | p = strchr (line, '\n'); | |
934 | if (p) | |
935 | *p = '\0'; | |
936 | ||
937 | /* Because the file format does not know any form of quoting we | |
938 | can search forward for the next '#' character and if found | |
939 | make it terminating the line. */ | |
940 | p = strchr (line, '#'); | |
941 | if (p) | |
942 | *p = '\0'; | |
943 | ||
944 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
945 | p = line; | |
946 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
947 | ++p; | |
948 | ||
949 | /* If the line is blank it is ignored. */ | |
950 | if (p[0] == '\0') | |
951 | continue; | |
04925e1e | 952 | |
0112cd26 | 953 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
954 | { |
955 | char *dir, c; | |
956 | p += 8; | |
957 | do | |
04925e1e | 958 | { |
d3989512 JJ |
959 | while (*p == ' ' || *p == '\t') |
960 | ++p; | |
04925e1e | 961 | |
d3989512 JJ |
962 | if (*p == '\0') |
963 | break; | |
252b5132 | 964 | |
d3989512 JJ |
965 | dir = p; |
966 | ||
967 | while (*p != ' ' && *p != '\t' && *p) | |
968 | ++p; | |
969 | ||
970 | c = *p; | |
971 | *p++ = '\0'; | |
972 | if (dir[0] != '\0') | |
973 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
974 | dir); | |
975 | } | |
976 | while (c != '\0'); | |
977 | } | |
978 | else | |
979 | { | |
980 | char *dir = p; | |
981 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
982 | && *p != '\r' && *p != '\v') | |
983 | ++p; | |
984 | ||
985 | while (p != dir && p[-1] == '/') | |
986 | --p; | |
987 | if (info->path == NULL) | |
988 | { | |
989 | info->alloc = p - dir + 1 + 256; | |
990 | info->path = xmalloc (info->alloc); | |
991 | info->len = 0; | |
992 | } | |
04925e1e AM |
993 | else |
994 | { | |
d3989512 JJ |
995 | if (info->len + 1 + (p - dir) >= info->alloc) |
996 | { | |
997 | info->alloc += p - dir + 256; | |
998 | info->path = xrealloc (info->path, info->alloc); | |
999 | } | |
c76308d2 | 1000 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 1001 | } |
d3989512 JJ |
1002 | memcpy (info->path + info->len, dir, p - dir); |
1003 | info->len += p - dir; | |
1004 | info->path[info->len] = '\0'; | |
1005 | } | |
1006 | } | |
563f4125 | 1007 | while (! feof (f)); |
d3989512 JJ |
1008 | free (line); |
1009 | fclose (f); | |
dfcffada | 1010 | return TRUE; |
d3989512 | 1011 | } |
252b5132 | 1012 | |
d3989512 | 1013 | static bfd_boolean |
d5c8b1f8 AM |
1014 | gld${EMULATION_NAME}_check_ld_so_conf (const struct bfd_link_needed_list *l, |
1015 | int force) | |
d3989512 JJ |
1016 | { |
1017 | static bfd_boolean initialized; | |
316a1245 | 1018 | static const char *ld_so_conf; |
d3989512 | 1019 | struct dt_needed needed; |
252b5132 | 1020 | |
d3989512 JJ |
1021 | if (! initialized) |
1022 | { | |
1023 | char *tmppath; | |
1024 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 1025 | |
d3989512 JJ |
1026 | info.path = NULL; |
1027 | info.len = info.alloc = 0; | |
ff7a0acf AM |
1028 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", |
1029 | (const char *) NULL); | |
dfcffada AM |
1030 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) |
1031 | { | |
1032 | free (tmppath); | |
ff7a0acf AM |
1033 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", |
1034 | (const char *) NULL); | |
dfcffada AM |
1035 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); |
1036 | } | |
d3989512 | 1037 | free (tmppath); |
dfcffada | 1038 | |
d3989512 JJ |
1039 | if (info.path) |
1040 | { | |
316a1245 | 1041 | ld_so_conf = gld${EMULATION_NAME}_add_sysroot (info.path); |
d3989512 | 1042 | free (info.path); |
04925e1e | 1043 | } |
b34976b6 | 1044 | initialized = TRUE; |
04925e1e | 1045 | } |
49e56c49 | 1046 | |
04925e1e | 1047 | if (ld_so_conf == NULL) |
b34976b6 | 1048 | return FALSE; |
252b5132 | 1049 | |
e56f61be | 1050 | |
d5c8b1f8 AM |
1051 | needed.by = l->by; |
1052 | needed.name = l->name; | |
e56f61be | 1053 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); |
252b5132 RH |
1054 | } |
1055 | ||
04925e1e | 1056 | EOF |
9c8ebd6a DJ |
1057 | # Linux |
1058 | ;; | |
04925e1e AM |
1059 | esac |
1060 | fi | |
92b93329 | 1061 | fragment <<EOF |
04925e1e | 1062 | |
252b5132 RH |
1063 | /* See if an input file matches a DT_NEEDED entry by name. */ |
1064 | ||
1065 | static void | |
0c7a8e5a | 1066 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 1067 | { |
e13629bc AM |
1068 | const char *soname; |
1069 | ||
1070 | /* Stop looking if we've found a loaded lib. */ | |
1071 | if (global_found != NULL | |
1072 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1073 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
1074 | return; |
1075 | ||
e13629bc AM |
1076 | if (s->filename == NULL || s->the_bfd == NULL) |
1077 | return; | |
1078 | ||
1079 | /* Don't look for a second non-loaded as-needed lib. */ | |
1080 | if (global_found != NULL | |
1081 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
1082 | return; |
1083 | ||
42627821 | 1084 | if (filename_cmp (s->filename, global_needed->name) == 0) |
252b5132 | 1085 | { |
e13629bc AM |
1086 | global_found = s; |
1087 | return; | |
1088 | } | |
577a0623 | 1089 | |
66be1055 | 1090 | if (s->flags.search_dirs) |
e13629bc AM |
1091 | { |
1092 | const char *f = strrchr (s->filename, '/'); | |
1093 | if (f != NULL | |
42627821 | 1094 | && filename_cmp (f + 1, global_needed->name) == 0) |
577a0623 | 1095 | { |
e13629bc | 1096 | global_found = s; |
577a0623 AM |
1097 | return; |
1098 | } | |
252b5132 RH |
1099 | } |
1100 | ||
e13629bc AM |
1101 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
1102 | if (soname != NULL | |
42627821 | 1103 | && filename_cmp (soname, global_needed->name) == 0) |
252b5132 | 1104 | { |
e13629bc AM |
1105 | global_found = s; |
1106 | return; | |
252b5132 | 1107 | } |
252b5132 RH |
1108 | } |
1109 | ||
41392f03 AM |
1110 | EOF |
1111 | ||
1112 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
92b93329 | 1113 | fragment <<EOF |
04925e1e | 1114 | |
24382dca | 1115 | static bfd_size_type |
677e5a92 | 1116 | id_note_section_size (bfd *abfd ATTRIBUTE_UNUSED) |
24382dca | 1117 | { |
30e8ee25 | 1118 | const char *style = emit_note_gnu_build_id; |
24382dca | 1119 | bfd_size_type size; |
61e2488c | 1120 | bfd_size_type build_id_size; |
24382dca | 1121 | |
24382dca RM |
1122 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
1123 | size = (size + 3) & -(bfd_size_type) 4; | |
1124 | ||
61e2488c JT |
1125 | build_id_size = compute_build_id_size (style); |
1126 | if (build_id_size) | |
1127 | size += build_id_size; | |
24382dca RM |
1128 | else |
1129 | size = 0; | |
1130 | ||
1131 | return size; | |
1132 | } | |
1133 | ||
24382dca | 1134 | static bfd_boolean |
30e8ee25 | 1135 | write_build_id (bfd *abfd) |
24382dca RM |
1136 | { |
1137 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
30e8ee25 AM |
1138 | struct elf_obj_tdata *t = elf_tdata (abfd); |
1139 | const char *style; | |
24382dca RM |
1140 | asection *asec; |
1141 | Elf_Internal_Shdr *i_shdr; | |
1142 | unsigned char *contents, *id_bits; | |
1143 | bfd_size_type size; | |
30e8ee25 | 1144 | file_ptr position; |
24382dca RM |
1145 | Elf_External_Note *e_note; |
1146 | ||
c0355132 AM |
1147 | style = t->o->build_id.style; |
1148 | asec = t->o->build_id.sec; | |
83e4970b | 1149 | if (bfd_is_abs_section (asec->output_section)) |
24382dca | 1150 | { |
83e4970b | 1151 | einfo (_("%P: warning: .note.gnu.build-id section discarded," |
df5f2391 | 1152 | " --build-id ignored\n")); |
83e4970b | 1153 | return TRUE; |
24382dca RM |
1154 | } |
1155 | i_shdr = &elf_section_data (asec->output_section)->this_hdr; | |
1156 | ||
1157 | if (i_shdr->contents == NULL) | |
1158 | { | |
b2ff8454 | 1159 | if (asec->contents == NULL) |
1e9cc1c2 | 1160 | asec->contents = (unsigned char *) xmalloc (asec->size); |
b2ff8454 | 1161 | contents = asec->contents; |
24382dca | 1162 | } |
b2ff8454 RM |
1163 | else |
1164 | contents = i_shdr->contents + asec->output_offset; | |
24382dca | 1165 | |
1e9cc1c2 | 1166 | e_note = (Elf_External_Note *) contents; |
24382dca RM |
1167 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
1168 | size = (size + 3) & -(bfd_size_type) 4; | |
1169 | id_bits = contents + size; | |
1170 | size = asec->size - size; | |
1171 | ||
1172 | bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz); | |
1173 | bfd_h_put_32 (abfd, size, &e_note->descsz); | |
1174 | bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type); | |
1175 | memcpy (e_note->name, "GNU", sizeof "GNU"); | |
1176 | ||
61e2488c | 1177 | generate_build_id (abfd, style, bed->s->checksum_contents, id_bits, size); |
24382dca | 1178 | |
30e8ee25 | 1179 | position = i_shdr->sh_offset + asec->output_offset; |
b2ff8454 | 1180 | size = asec->size; |
30e8ee25 | 1181 | return (bfd_seek (abfd, position, SEEK_SET) == 0 |
b2ff8454 | 1182 | && bfd_bwrite (contents, size, abfd) == size); |
24382dca RM |
1183 | } |
1184 | ||
30e8ee25 AM |
1185 | /* Make .note.gnu.build-id section, and set up elf_tdata->build_id. */ |
1186 | ||
1187 | static bfd_boolean | |
1188 | setup_build_id (bfd *ibfd) | |
1189 | { | |
1190 | asection *s; | |
1191 | bfd_size_type size; | |
1192 | flagword flags; | |
1193 | ||
1194 | size = id_note_section_size (ibfd); | |
1195 | if (size == 0) | |
1196 | { | |
df5f2391 | 1197 | einfo (_("%P: warning: unrecognized --build-id style ignored\n")); |
30e8ee25 AM |
1198 | return FALSE; |
1199 | } | |
1200 | ||
1201 | flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1202 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
1203 | s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags); | |
1204 | if (s != NULL && bfd_set_section_alignment (ibfd, s, 2)) | |
1205 | { | |
1206 | struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd); | |
c0355132 AM |
1207 | t->o->build_id.after_write_object_contents = &write_build_id; |
1208 | t->o->build_id.style = emit_note_gnu_build_id; | |
1209 | t->o->build_id.sec = s; | |
1210 | elf_section_type (s) = SHT_NOTE; | |
1211 | s->size = size; | |
1212 | return TRUE; | |
30e8ee25 AM |
1213 | } |
1214 | ||
df5f2391 AM |
1215 | einfo (_("%P: warning: cannot create .note.gnu.build-id section," |
1216 | " --build-id ignored\n")); | |
30e8ee25 AM |
1217 | return FALSE; |
1218 | } | |
24382dca | 1219 | |
04925e1e | 1220 | /* This is called after all the input files have been opened. */ |
252b5132 RH |
1221 | |
1222 | static void | |
0c7a8e5a | 1223 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 1224 | { |
04925e1e | 1225 | struct bfd_link_needed_list *needed, *l; |
d10e7fcc | 1226 | struct elf_link_hash_table *htab; |
cbd0eecf L |
1227 | asection *s; |
1228 | bfd *abfd; | |
d10e7fcc | 1229 | |
5c3049d2 AM |
1230 | after_open_default (); |
1231 | ||
d10e7fcc AM |
1232 | htab = elf_hash_table (&link_info); |
1233 | if (!is_elf_hash_table (htab)) | |
1234 | return; | |
252b5132 | 1235 | |
76359541 TP |
1236 | if (command_line.out_implib_filename) |
1237 | { | |
1238 | unlink_if_ordinary (command_line.out_implib_filename); | |
1239 | link_info.out_implib_bfd | |
1240 | = bfd_openw (command_line.out_implib_filename, | |
1241 | bfd_get_target (link_info.output_bfd)); | |
1242 | ||
1243 | if (link_info.out_implib_bfd == NULL) | |
1244 | { | |
df5f2391 | 1245 | einfo (_("%F%P: %s: can't open for writing: %E\n"), |
76359541 TP |
1246 | command_line.out_implib_filename); |
1247 | } | |
1248 | } | |
1249 | ||
30e8ee25 | 1250 | if (emit_note_gnu_build_id != NULL) |
c0065db7 | 1251 | { |
a654efd6 L |
1252 | /* Find an ELF input. */ |
1253 | for (abfd = link_info.input_bfds; | |
c72f2fb2 | 1254 | abfd != (bfd *) NULL; abfd = abfd->link.next) |
ca0694ad | 1255 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour |
57963c05 AM |
1256 | && bfd_count_sections (abfd) != 0 |
1257 | && !((lang_input_statement_type *) abfd->usrdata)->flags.just_syms) | |
a654efd6 | 1258 | break; |
c0065db7 | 1259 | |
30e8ee25 AM |
1260 | /* PR 10555: If there are no ELF input files do not try to |
1261 | create a .note.gnu-build-id section. */ | |
1262 | if (abfd == NULL | |
1263 | || !setup_build_id (abfd)) | |
c0065db7 | 1264 | { |
30e8ee25 AM |
1265 | free ((char *) emit_note_gnu_build_id); |
1266 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
1267 | } |
1268 | } | |
1269 | ||
46bed679 L |
1270 | get_elf_backend_data (link_info.output_bfd)->setup_gnu_properties (&link_info); |
1271 | ||
0e1862bb | 1272 | if (bfd_link_relocatable (&link_info)) |
76f0cad6 NC |
1273 | { |
1274 | if (link_info.execstack == ! link_info.noexecstack) | |
1275 | /* PR ld/16744: If "-z [no]execstack" has been specified on the | |
1276 | command line and we are perfoming a relocatable link then no | |
1277 | PT_GNU_STACK segment will be created and so the | |
1278 | linkinfo.[no]execstack values set in _handle_option() will have no | |
1279 | effect. Instead we create a .note.GNU-stack section in much the | |
1280 | same way as the assembler does with its --[no]execstack option. */ | |
1281 | (void) bfd_make_section_with_flags (link_info.input_bfds, | |
1282 | ".note.GNU-stack", | |
1283 | SEC_READONLY | (link_info.execstack ? SEC_CODE : 0)); | |
1284 | ||
1285 | return; | |
1286 | } | |
d10e7fcc | 1287 | |
2f0c68f2 | 1288 | if (!link_info.traditional_format) |
eb3d5f3b | 1289 | { |
cbd0eecf | 1290 | bfd *elfbfd = NULL; |
a654efd6 | 1291 | bfd_boolean warn_eh_frame = FALSE; |
2f0c68f2 | 1292 | int seen_type = 0; |
eb3d5f3b | 1293 | |
c72f2fb2 | 1294 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next) |
eb3d5f3b | 1295 | { |
2f0c68f2 | 1296 | int type = 0; |
57963c05 AM |
1297 | |
1298 | if (((lang_input_statement_type *) abfd->usrdata)->flags.just_syms) | |
1299 | continue; | |
1300 | ||
2f0c68f2 | 1301 | for (s = abfd->sections; s && type < COMPACT_EH_HDR; s = s->next) |
4440bb77 | 1302 | { |
2f0c68f2 CM |
1303 | const char *name = bfd_get_section_name (abfd, s); |
1304 | ||
1305 | if (bfd_is_abs_section (s->output_section)) | |
1306 | continue; | |
1307 | if (CONST_STRNEQ (name, ".eh_frame_entry")) | |
1308 | type = COMPACT_EH_HDR; | |
1309 | else if (strcmp (name, ".eh_frame") == 0 && s->size > 8) | |
1310 | type = DWARF2_EH_HDR; | |
4440bb77 | 1311 | } |
2f0c68f2 CM |
1312 | |
1313 | if (type != 0) | |
1314 | { | |
1315 | if (seen_type == 0) | |
1316 | { | |
1317 | seen_type = type; | |
1318 | } | |
1319 | else if (seen_type != type) | |
1320 | { | |
df5f2391 | 1321 | einfo (_("%F%P: compact frame descriptions incompatible with" |
871b3ab2 | 1322 | " DWARF2 .eh_frame from %pB\n"), |
2f0c68f2 CM |
1323 | type == DWARF2_EH_HDR ? abfd : elfbfd); |
1324 | break; | |
1325 | } | |
1326 | ||
1327 | if (!elfbfd | |
1328 | && (type == COMPACT_EH_HDR || link_info.eh_frame_hdr_type != 0)) | |
1329 | { | |
1330 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) | |
1331 | elfbfd = abfd; | |
1332 | ||
1333 | warn_eh_frame = TRUE; | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | if (seen_type == COMPACT_EH_HDR) | |
1338 | link_info.eh_frame_hdr_type = COMPACT_EH_HDR; | |
d10e7fcc | 1339 | } |
a654efd6 | 1340 | if (elfbfd) |
d10e7fcc AM |
1341 | { |
1342 | const struct elf_backend_data *bed; | |
1343 | ||
a654efd6 L |
1344 | bed = get_elf_backend_data (elfbfd); |
1345 | s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr", | |
1346 | bed->dynamic_sec_flags | |
1347 | | SEC_READONLY); | |
d10e7fcc | 1348 | if (s != NULL |
a654efd6 L |
1349 | && bfd_set_section_alignment (elfbfd, s, 2)) |
1350 | { | |
1351 | htab->eh_info.hdr_sec = s; | |
1352 | warn_eh_frame = FALSE; | |
1353 | } | |
eb3d5f3b | 1354 | } |
a654efd6 | 1355 | if (warn_eh_frame) |
df5f2391 AM |
1356 | einfo (_("%P: warning: cannot create .eh_frame_hdr section," |
1357 | " --eh-frame-hdr ignored\n")); | |
eb3d5f3b JB |
1358 | } |
1359 | ||
04925e1e AM |
1360 | /* Get the list of files which appear in DT_NEEDED entries in |
1361 | dynamic objects included in the link (often there will be none). | |
1362 | For each such file, we want to track down the corresponding | |
1363 | library, and include the symbol table in the link. This is what | |
1364 | the runtime dynamic linker will do. Tracking the files down here | |
1365 | permits one dynamic object to include another without requiring | |
1366 | special action by the person doing the link. Note that the | |
1367 | needed list can actually grow while we are stepping through this | |
1368 | loop. */ | |
f13a99db | 1369 | needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info); |
04925e1e | 1370 | for (l = needed; l != NULL; l = l->next) |
252b5132 | 1371 | { |
04925e1e | 1372 | struct bfd_link_needed_list *ll; |
e56f61be | 1373 | struct dt_needed n, nn; |
04925e1e | 1374 | int force; |
252b5132 | 1375 | |
7e9f0867 | 1376 | /* If the lib that needs this one was --as-needed and wasn't |
4706eab9 | 1377 | found to be needed, then this lib isn't needed either. */ |
7e9f0867 | 1378 | if (l->by != NULL |
4706eab9 AM |
1379 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) |
1380 | continue; | |
1381 | ||
1382 | /* Skip the lib if --no-copy-dt-needed-entries and | |
1383 | --allow-shlib-undefined is in effect. */ | |
1384 | if (l->by != NULL | |
1385 | && link_info.unresolved_syms_in_shared_libs == RM_IGNORE | |
1386 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0) | |
7e9f0867 AM |
1387 | continue; |
1388 | ||
04925e1e AM |
1389 | /* If we've already seen this file, skip it. */ |
1390 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
1391 | if ((ll->by == NULL |
1392 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
1393 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
1394 | break; |
1395 | if (ll != l) | |
1396 | continue; | |
252b5132 | 1397 | |
04925e1e AM |
1398 | /* See if this file was included in the link explicitly. */ |
1399 | global_needed = l; | |
e13629bc | 1400 | global_found = NULL; |
04925e1e | 1401 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
1402 | if (global_found != NULL |
1403 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1404 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 1405 | continue; |
252b5132 | 1406 | |
e56f61be L |
1407 | n.by = l->by; |
1408 | n.name = l->name; | |
1409 | nn.by = l->by; | |
cd6f1cf3 | 1410 | if (verbose) |
871b3ab2 | 1411 | info_msg (_("%s needed by %pB\n"), l->name, l->by); |
ec4eb78a | 1412 | |
e13629bc AM |
1413 | /* As-needed libs specified on the command line (or linker script) |
1414 | take priority over libs found in search dirs. */ | |
1415 | if (global_found != NULL) | |
1416 | { | |
1417 | nn.name = global_found->filename; | |
1418 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
1419 | continue; | |
1420 | } | |
1421 | ||
04925e1e AM |
1422 | /* We need to find this file and include the symbol table. We |
1423 | want to search for the file in the same way that the dynamic | |
1424 | linker will search. That means that we want to use | |
1425 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
1426 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
1427 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
1428 | We do not search using the -L arguments. | |
252b5132 | 1429 | |
04925e1e AM |
1430 | We search twice. The first time, we skip objects which may |
1431 | introduce version mismatches. The second time, we force | |
1432 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
1433 | for (force = 0; force < 2; force++) | |
1434 | { | |
04925e1e AM |
1435 | size_t len; |
1436 | search_dirs_type *search; | |
6dd8c765 | 1437 | EOF |
316a1245 | 1438 | if [ "x${NATIVE}" = xyes ] || [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1439 | fragment <<EOF |
316a1245 | 1440 | const char *path; |
ff925e69 KK |
1441 | EOF |
1442 | fi | |
1443 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1444 | fragment <<EOF |
6dd8c765 L |
1445 | struct bfd_link_needed_list *rp; |
1446 | int found; | |
1447 | EOF | |
6dd8c765 | 1448 | fi |
92b93329 | 1449 | fragment <<EOF |
252b5132 | 1450 | |
04925e1e | 1451 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 1452 | &n, force)) |
04925e1e | 1453 | break; |
dcb0bd0e | 1454 | EOF |
9c8ebd6a | 1455 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1456 | fragment <<EOF |
316a1245 AM |
1457 | path = command_line.rpath; |
1458 | if (path) | |
1459 | { | |
118aa6cf | 1460 | path = gld${EMULATION_NAME}_add_sysroot (path); |
316a1245 | 1461 | found = gld${EMULATION_NAME}_search_needed (path, &n, force); |
118aa6cf | 1462 | free ((char *) path); |
316a1245 AM |
1463 | if (found) |
1464 | break; | |
1465 | } | |
9c8ebd6a DJ |
1466 | EOF |
1467 | fi | |
1468 | if [ "x${NATIVE}" = xyes ] ; then | |
92b93329 | 1469 | fragment <<EOF |
04925e1e AM |
1470 | if (command_line.rpath_link == NULL |
1471 | && command_line.rpath == NULL) | |
1472 | { | |
316a1245 AM |
1473 | path = (const char *) getenv ("LD_RUN_PATH"); |
1474 | if (path | |
1475 | && gld${EMULATION_NAME}_search_needed (path, &n, force)) | |
04925e1e AM |
1476 | break; |
1477 | } | |
316a1245 AM |
1478 | path = (const char *) getenv ("LD_LIBRARY_PATH"); |
1479 | if (path | |
1480 | && gld${EMULATION_NAME}_search_needed (path, &n, force)) | |
04925e1e | 1481 | break; |
9c8ebd6a DJ |
1482 | EOF |
1483 | fi | |
1484 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1485 | fragment <<EOF |
ec4eb78a | 1486 | found = 0; |
f13a99db | 1487 | rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info); |
6dd8c765 | 1488 | for (; !found && rp != NULL; rp = rp->next) |
ec4eb78a | 1489 | { |
316a1245 | 1490 | path = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1491 | found = (rp->by == l->by |
316a1245 | 1492 | && gld${EMULATION_NAME}_search_needed (path, &n, |
ec4eb78a | 1493 | force)); |
316a1245 | 1494 | free ((char *) path); |
ec4eb78a L |
1495 | } |
1496 | if (found) | |
1497 | break; | |
1498 | ||
04925e1e | 1499 | EOF |
04925e1e | 1500 | fi |
c1446dba L |
1501 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1502 | case ${target} in | |
ebe1fac1 | 1503 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 1504 | fragment <<EOF |
d5c8b1f8 | 1505 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force)) |
ebe1fac1 NC |
1506 | break; |
1507 | EOF | |
1508 | # FreeBSD | |
1509 | ;; | |
1510 | ||
a5244b7e | 1511 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 1512 | fragment <<EOF |
d5c8b1f8 | 1513 | if (gld${EMULATION_NAME}_check_ld_so_conf (l, force)) |
c1446dba L |
1514 | break; |
1515 | ||
1516 | EOF | |
eeaa4577 | 1517 | # Linux |
c1446dba L |
1518 | ;; |
1519 | esac | |
1520 | fi | |
92b93329 | 1521 | fragment <<EOF |
04925e1e AM |
1522 | len = strlen (l->name); |
1523 | for (search = search_head; search != NULL; search = search->next) | |
1524 | { | |
1525 | char *filename; | |
252b5132 | 1526 | |
04925e1e AM |
1527 | if (search->cmdline) |
1528 | continue; | |
1529 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1530 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1531 | nn.name = filename; |
1532 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1533 | break; |
1534 | free (filename); | |
1535 | } | |
1536 | if (search != NULL) | |
1537 | break; | |
1538 | EOF | |
92b93329 | 1539 | fragment <<EOF |
04925e1e | 1540 | } |
252b5132 | 1541 | |
04925e1e AM |
1542 | if (force < 2) |
1543 | continue; | |
252b5132 | 1544 | |
871b3ab2 | 1545 | einfo (_("%P: warning: %s, needed by %pB, not found " |
d003af55 | 1546 | "(try using -rpath or -rpath-link)\n"), |
04925e1e AM |
1547 | l->name, l->by); |
1548 | } | |
2f0c68f2 CM |
1549 | |
1550 | if (link_info.eh_frame_hdr_type == COMPACT_EH_HDR) | |
535b785f | 1551 | if (!bfd_elf_parse_eh_frame_entries (NULL, &link_info)) |
df5f2391 | 1552 | einfo (_("%F%P: failed to parse EH frame entries\n")); |
04925e1e | 1553 | } |
252b5132 | 1554 | |
41392f03 AM |
1555 | EOF |
1556 | fi | |
1557 | ||
92b93329 | 1558 | fragment <<EOF |
252b5132 | 1559 | |
04925e1e | 1560 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1561 | |
04925e1e | 1562 | static void |
0c7a8e5a | 1563 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1564 | { |
4ea42fb7 | 1565 | bfd_boolean provide = FALSE; |
04925e1e AM |
1566 | |
1567 | switch (exp->type.node_class) | |
252b5132 | 1568 | { |
04925e1e | 1569 | case etree_provide: |
bded3693 | 1570 | case etree_provided: |
4ea42fb7 | 1571 | provide = TRUE; |
839b0b3f | 1572 | /* Fallthru */ |
4ea42fb7 | 1573 | case etree_assign: |
04925e1e AM |
1574 | /* We call record_link_assignment even if the symbol is defined. |
1575 | This is because if it is defined by a dynamic object, we | |
1576 | actually want to use the value defined by the linker script, | |
1577 | not the value from the dynamic object (because we are setting | |
1578 | symbols like etext). If the symbol is defined by a regular | |
1579 | object, then, as it happens, calling record_link_assignment | |
1580 | will do no harm. */ | |
04925e1e | 1581 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1582 | { |
f13a99db AM |
1583 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, |
1584 | &link_info, | |
fe21a8fc L |
1585 | exp->assign.dst, provide, |
1586 | exp->assign.hidden)) | |
df5f2391 | 1587 | einfo (_("%F%P: failed to record assignment to %s: %E\n"), |
04925e1e | 1588 | exp->assign.dst); |
252b5132 | 1589 | } |
04925e1e AM |
1590 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1591 | break; | |
252b5132 | 1592 | |
04925e1e AM |
1593 | case etree_binary: |
1594 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1595 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1596 | break; | |
252b5132 | 1597 | |
04925e1e AM |
1598 | case etree_trinary: |
1599 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1600 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1601 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1602 | break; | |
252b5132 | 1603 | |
04925e1e AM |
1604 | case etree_unary: |
1605 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1606 | break; | |
252b5132 | 1607 | |
04925e1e AM |
1608 | default: |
1609 | break; | |
252b5132 RH |
1610 | } |
1611 | } | |
1612 | ||
04925e1e AM |
1613 | |
1614 | /* This is called by the before_allocation routine via | |
1615 | lang_for_each_statement. It locates any assignment statements, and | |
1616 | tells the ELF backend about them, in case they are assignments to | |
1617 | symbols which are referred to by dynamic objects. */ | |
1618 | ||
1619 | static void | |
0c7a8e5a | 1620 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1621 | { |
1622 | if (s->header.type == lang_assignment_statement_enum) | |
1623 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1624 | } | |
1625 | ||
41392f03 AM |
1626 | EOF |
1627 | ||
1628 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1629 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1630 | ELF_INTERPRETER_SET_DEFAULT=" | |
1631 | if (sinterp != NULL) | |
1632 | { | |
5718918d AM |
1633 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1634 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1635 | } |
1636 | ||
1637 | " | |
1638 | else | |
1639 | ELF_INTERPRETER_SET_DEFAULT= | |
1640 | fi | |
92b93329 | 1641 | fragment <<EOF |
04925e1e | 1642 | |
7ee314fa | 1643 | /* used by before_allocation and handle_option. */ |
4724d37e | 1644 | static void |
91d6fa6a | 1645 | gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg) |
7ee314fa AM |
1646 | { |
1647 | if (*to == NULL) | |
91d6fa6a | 1648 | *to = xstrdup (op_arg); |
7ee314fa AM |
1649 | else |
1650 | { | |
1651 | size_t to_len = strlen (*to); | |
91d6fa6a | 1652 | size_t op_arg_len = strlen (op_arg); |
7ee314fa AM |
1653 | char *buf; |
1654 | char *cp = *to; | |
1655 | ||
1656 | /* First see whether OPTARG is already in the path. */ | |
1657 | do | |
1658 | { | |
91d6fa6a NC |
1659 | if (strncmp (op_arg, cp, op_arg_len) == 0 |
1660 | && (cp[op_arg_len] == 0 | |
1661 | || cp[op_arg_len] == config.rpath_separator)) | |
7ee314fa AM |
1662 | /* We found it. */ |
1663 | break; | |
1664 | ||
1665 | /* Not yet found. */ | |
1666 | cp = strchr (cp, config.rpath_separator); | |
1667 | if (cp != NULL) | |
1668 | ++cp; | |
1669 | } | |
1670 | while (cp != NULL); | |
1671 | ||
1672 | if (cp == NULL) | |
1673 | { | |
91d6fa6a | 1674 | buf = xmalloc (to_len + op_arg_len + 2); |
7ee314fa | 1675 | sprintf (buf, "%s%c%s", *to, |
91d6fa6a | 1676 | config.rpath_separator, op_arg); |
7ee314fa AM |
1677 | free (*to); |
1678 | *to = buf; | |
1679 | } | |
1680 | } | |
1681 | } | |
1682 | ||
252b5132 RH |
1683 | /* This is called after the sections have been attached to output |
1684 | sections, but before any sizes or addresses have been set. */ | |
1685 | ||
1686 | static void | |
0c7a8e5a | 1687 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1688 | { |
1689 | const char *rpath; | |
1690 | asection *sinterp; | |
7ee314fa | 1691 | bfd *abfd; |
772758ac AM |
1692 | struct bfd_link_hash_entry *ehdr_start = NULL; |
1693 | unsigned char ehdr_start_save_type = 0; | |
1694 | char ehdr_start_save_u[sizeof ehdr_start->u | |
1695 | - sizeof ehdr_start->u.def.next] = ""; | |
252b5132 | 1696 | |
b4d040b1 | 1697 | if (is_elf_hash_table (link_info.hash)) |
a5382c42 MR |
1698 | { |
1699 | _bfd_elf_tls_setup (link_info.output_bfd, &link_info); | |
e1918d23 | 1700 | |
cde7cb01 MR |
1701 | /* Make __ehdr_start hidden if it has been referenced, to |
1702 | prevent the symbol from being dynamic. */ | |
0e1862bb | 1703 | if (!bfd_link_relocatable (&link_info)) |
559192d8 AM |
1704 | { |
1705 | struct elf_link_hash_table *htab = elf_hash_table (&link_info); | |
1706 | struct elf_link_hash_entry *h | |
1707 | = elf_link_hash_lookup (htab, "__ehdr_start", FALSE, FALSE, TRUE); | |
1708 | ||
1709 | /* Only adjust the export class if the symbol was referenced | |
1710 | and not defined, otherwise leave it alone. */ | |
1711 | if (h != NULL | |
1712 | && (h->root.type == bfd_link_hash_new | |
1713 | || h->root.type == bfd_link_hash_undefined | |
1714 | || h->root.type == bfd_link_hash_undefweak | |
1715 | || h->root.type == bfd_link_hash_common)) | |
1716 | { | |
1717 | const struct elf_backend_data *bed; | |
1718 | bed = get_elf_backend_data (link_info.output_bfd); | |
1719 | (*bed->elf_backend_hide_symbol) (&link_info, h, TRUE); | |
1720 | if (ELF_ST_VISIBILITY (h->other) != STV_INTERNAL) | |
1721 | h->other = (h->other & ~ELF_ST_VISIBILITY (-1)) | STV_HIDDEN; | |
1722 | /* Don't leave the symbol undefined. Undefined hidden | |
1723 | symbols typically won't have dynamic relocations, but | |
1724 | we most likely will need dynamic relocations for | |
1725 | __ehdr_start if we are building a PIE or shared | |
1726 | library. */ | |
772758ac AM |
1727 | ehdr_start = &h->root; |
1728 | ehdr_start_save_type = ehdr_start->type; | |
1729 | memcpy (ehdr_start_save_u, | |
1730 | (char *) &ehdr_start->u + sizeof ehdr_start->u.def.next, | |
1731 | sizeof ehdr_start_save_u); | |
1732 | ehdr_start->type = bfd_link_hash_defined; | |
1733 | ehdr_start->u.def.section = bfd_abs_section_ptr; | |
1734 | ehdr_start->u.def.value = 0; | |
559192d8 AM |
1735 | } |
1736 | } | |
cde7cb01 | 1737 | |
a5382c42 MR |
1738 | /* If we are going to make any variable assignments, we need to |
1739 | let the ELF backend know about them in case the variables are | |
1740 | referred to by dynamic objects. */ | |
1741 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1742 | } | |
252b5132 RH |
1743 | |
1744 | /* Let the ELF backend work out the sizes of any sections required | |
1745 | by dynamic linking. */ | |
1746 | rpath = command_line.rpath; | |
1747 | if (rpath == NULL) | |
1748 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
7ee314fa | 1749 | |
c72f2fb2 | 1750 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next) |
8dd881b6 L |
1751 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1752 | { | |
1753 | const char *audit_libs = elf_dt_audit (abfd); | |
7ee314fa | 1754 | |
4724d37e | 1755 | /* If the input bfd contains an audit entry, we need to add it as |
8dd881b6 L |
1756 | a dep audit entry. */ |
1757 | if (audit_libs && *audit_libs != '\0') | |
1758 | { | |
1759 | char *cp = xstrdup (audit_libs); | |
1760 | do | |
1761 | { | |
1762 | int more = 0; | |
1763 | char *cp2 = strchr (cp, config.rpath_separator); | |
7ee314fa | 1764 | |
8dd881b6 L |
1765 | if (cp2) |
1766 | { | |
1767 | *cp2 = '\0'; | |
1768 | more = 1; | |
1769 | } | |
7ee314fa | 1770 | |
8dd881b6 L |
1771 | if (cp != NULL && *cp != '\0') |
1772 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp); | |
1773 | ||
1774 | cp = more ? ++cp2 : NULL; | |
1775 | } | |
1776 | while (cp != NULL); | |
1777 | } | |
1778 | } | |
7ee314fa | 1779 | |
5a580b3a | 1780 | if (! (bfd_elf_size_dynamic_sections |
f13a99db | 1781 | (link_info.output_bfd, command_line.soname, rpath, |
7ee314fa | 1782 | command_line.filter_shlib, audit, depaudit, |
252b5132 | 1783 | (const char * const *) command_line.auxiliary_filters, |
fd91d419 | 1784 | &link_info, &sinterp))) |
df5f2391 | 1785 | einfo (_("%F%P: failed to set dynamic section sizes: %E\n")); |
8423293d | 1786 | |
57e6abd2 | 1787 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1788 | /* Let the user override the dynamic linker we are using. */ |
1789 | if (command_line.interpreter != NULL | |
1790 | && sinterp != NULL) | |
1791 | { | |
1792 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1793 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1794 | } |
1795 | ||
1796 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1797 | we treat such sections as containing warning messages. We print | |
1798 | out the warning message, and then zero out the section size so | |
1799 | that it does not get copied into the output file. */ | |
1800 | ||
1801 | { | |
1802 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1803 | { | |
1804 | asection *s; | |
1805 | bfd_size_type sz; | |
1806 | char *msg; | |
252b5132 | 1807 | |
66be1055 | 1808 | if (is->flags.just_syms) |
252b5132 RH |
1809 | continue; |
1810 | ||
1811 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1812 | if (s == NULL) | |
1813 | continue; | |
1814 | ||
eea6121a | 1815 | sz = s->size; |
1e9cc1c2 | 1816 | msg = (char *) xmalloc ((size_t) (sz + 1)); |
bc251d50 | 1817 | if (! bfd_get_section_contents (is->the_bfd, s, msg, |
8c675694 | 1818 | (file_ptr) 0, sz)) |
df5f2391 | 1819 | einfo (_("%F%P: %pB: can't read contents of section .gnu.warning: %E\n"), |
252b5132 | 1820 | is->the_bfd); |
bc251d50 | 1821 | msg[sz] = '\0'; |
1a72702b AM |
1822 | (*link_info.callbacks->warning) (&link_info, msg, |
1823 | (const char *) NULL, is->the_bfd, | |
1824 | (asection *) NULL, (bfd_vma) 0); | |
252b5132 RH |
1825 | free (msg); |
1826 | ||
9e3be61d AM |
1827 | /* Clobber the section size, so that we don't waste space |
1828 | copying the warning into the output file. If we've already | |
1829 | sized the output section, adjust its size. The adjustment | |
1830 | is on rawsize because targets that size sections early will | |
1831 | have called lang_reset_memory_regions after sizing. */ | |
1832 | if (s->output_section != NULL | |
1833 | && s->output_section->rawsize >= s->size) | |
1834 | s->output_section->rawsize -= s->size; | |
1835 | ||
eea6121a | 1836 | s->size = 0; |
11d2f718 | 1837 | |
9e3be61d AM |
1838 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1839 | warning section don't get copied to the output. */ | |
a14a5de3 | 1840 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1841 | } |
1842 | } | |
8423293d | 1843 | |
1e035701 | 1844 | before_allocation_default (); |
8423293d | 1845 | |
f13a99db | 1846 | if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info)) |
df5f2391 | 1847 | einfo (_("%F%P: failed to set dynamic section sizes: %E\n")); |
4199e3b8 AM |
1848 | |
1849 | if (ehdr_start != NULL) | |
1850 | { | |
1851 | /* If we twiddled __ehdr_start to defined earlier, put it back | |
1852 | as it was. */ | |
772758ac AM |
1853 | ehdr_start->type = ehdr_start_save_type; |
1854 | memcpy ((char *) &ehdr_start->u + sizeof ehdr_start->u.def.next, | |
1855 | ehdr_start_save_u, | |
1856 | sizeof ehdr_start_save_u); | |
4199e3b8 | 1857 | } |
252b5132 RH |
1858 | } |
1859 | ||
41392f03 AM |
1860 | EOF |
1861 | fi | |
1862 | ||
1863 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
92b93329 | 1864 | fragment <<EOF |
252b5132 | 1865 | |
04925e1e AM |
1866 | /* Try to open a dynamic archive. This is where we know that ELF |
1867 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1868 | like hpux). */ | |
1869 | ||
b34976b6 | 1870 | static bfd_boolean |
0c7a8e5a AM |
1871 | gld${EMULATION_NAME}_open_dynamic_archive |
1872 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1873 | { |
04925e1e AM |
1874 | const char *filename; |
1875 | char *string; | |
d4ae5fb0 AM |
1876 | size_t len; |
1877 | bfd_boolean opened = FALSE; | |
252b5132 | 1878 | |
66be1055 | 1879 | if (! entry->flags.maybe_archive) |
b34976b6 | 1880 | return FALSE; |
252b5132 | 1881 | |
04925e1e | 1882 | filename = entry->filename; |
d4ae5fb0 AM |
1883 | len = strlen (search->name) + strlen (filename); |
1884 | if (entry->flags.full_name_provided) | |
1885 | { | |
1886 | len += sizeof "/"; | |
1887 | string = (char *) xmalloc (len); | |
1888 | sprintf (string, "%s/%s", search->name, filename); | |
1889 | } | |
1890 | else | |
1891 | { | |
1892 | size_t xlen = 0; | |
252b5132 | 1893 | |
d4ae5fb0 | 1894 | len += strlen (arch) + sizeof "/lib.so"; |
04925e1e | 1895 | #ifdef EXTRA_SHLIB_EXTENSION |
d4ae5fb0 AM |
1896 | xlen = (strlen (EXTRA_SHLIB_EXTENSION) > 3 |
1897 | ? strlen (EXTRA_SHLIB_EXTENSION) - 3 | |
1898 | : 0); | |
04925e1e | 1899 | #endif |
d4ae5fb0 AM |
1900 | string = (char *) xmalloc (len + xlen); |
1901 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
04925e1e | 1902 | #ifdef EXTRA_SHLIB_EXTENSION |
d4ae5fb0 AM |
1903 | /* Try the .so extension first. If that fails build a new filename |
1904 | using EXTRA_SHLIB_EXTENSION. */ | |
1905 | opened = ldfile_try_open_bfd (string, entry); | |
1906 | if (!opened) | |
1907 | strcpy (string + len - 4, EXTRA_SHLIB_EXTENSION); | |
04925e1e | 1908 | #endif |
d4ae5fb0 | 1909 | } |
04925e1e | 1910 | |
d4ae5fb0 | 1911 | if (!opened && !ldfile_try_open_bfd (string, entry)) |
252b5132 | 1912 | { |
04925e1e | 1913 | free (string); |
b34976b6 | 1914 | return FALSE; |
04925e1e | 1915 | } |
252b5132 | 1916 | |
04925e1e | 1917 | entry->filename = string; |
252b5132 | 1918 | |
04925e1e AM |
1919 | /* We have found a dynamic object to include in the link. The ELF |
1920 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1921 | section naming this file. If this file includes a DT_SONAME | |
1922 | entry, it will be used. Otherwise, the ELF linker will just use | |
1923 | the name of the file. For an archive found by searching, like | |
1924 | this one, the DT_NEEDED entry should consist of just the name of | |
1925 | the file, without the path information used to find it. Note | |
1926 | that we only need to do this if we have a dynamic object; an | |
1927 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1928 | |
04925e1e AM |
1929 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1930 | very pretty. I haven't been able to think of anything that is | |
1931 | pretty, though. */ | |
1932 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1933 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1934 | { | |
66be1055 | 1935 | ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs); |
252b5132 | 1936 | |
04925e1e | 1937 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1938 | filename we recorded earlier. */ |
04925e1e | 1939 | |
d4ae5fb0 | 1940 | if (!entry->flags.full_name_provided) |
559192d8 | 1941 | filename = lbasename (entry->filename); |
1c9acd94 | 1942 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1943 | } |
1944 | ||
b34976b6 | 1945 | return TRUE; |
04925e1e AM |
1946 | } |
1947 | ||
41392f03 AM |
1948 | EOF |
1949 | fi | |
cde43e70 AM |
1950 | |
1951 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
92b93329 | 1952 | fragment <<EOF |
41392f03 | 1953 | |
afd7a018 | 1954 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1955 | |
04925e1e | 1956 | static lang_output_section_statement_type * |
8fd04a42 | 1957 | output_rel_find (int isdyn, int rela) |
04925e1e | 1958 | { |
04925e1e | 1959 | lang_output_section_statement_type *lookup; |
ba493122 | 1960 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1961 | lang_output_section_statement_type *last_alloc = NULL; |
48f2ff54 | 1962 | lang_output_section_statement_type *last_ro_alloc = NULL; |
ba493122 AM |
1963 | lang_output_section_statement_type *last_rel = NULL; |
1964 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
04925e1e | 1965 | |
afd7a018 AM |
1966 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1967 | lookup != NULL; | |
1968 | lookup = lookup->next) | |
04925e1e | 1969 | { |
66c103b7 | 1970 | if (lookup->constraint >= 0 |
0112cd26 | 1971 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1972 | { |
24cdb50a | 1973 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1974 | |
2a36a117 AM |
1975 | /* .rel.dyn must come before all other reloc sections, to suit |
1976 | GNU ld.so. */ | |
1977 | if (isdyn) | |
1978 | break; | |
1979 | ||
1980 | /* Don't place after .rel.plt as doing so results in wrong | |
1981 | dynamic tags. */ | |
1982 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1983 | break; |
2a36a117 AM |
1984 | |
1985 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1986 | last_rel = lookup; |
2a36a117 AM |
1987 | if ((rela == lookrela || last_rel_alloc == NULL) |
1988 | && lookup->bfd_section != NULL | |
ba493122 AM |
1989 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1990 | last_rel_alloc = lookup; | |
04925e1e | 1991 | } |
2a36a117 AM |
1992 | |
1993 | last = lookup; | |
1994 | if (lookup->bfd_section != NULL | |
1995 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
48f2ff54 AM |
1996 | { |
1997 | last_alloc = lookup; | |
1998 | if ((lookup->bfd_section->flags & SEC_READONLY) != 0) | |
1999 | last_ro_alloc = lookup; | |
2000 | } | |
252b5132 | 2001 | } |
ba493122 AM |
2002 | |
2003 | if (last_rel_alloc) | |
2004 | return last_rel_alloc; | |
2005 | ||
2006 | if (last_rel) | |
2007 | return last_rel; | |
2008 | ||
48f2ff54 AM |
2009 | if (last_ro_alloc) |
2010 | return last_ro_alloc; | |
2011 | ||
2a36a117 AM |
2012 | if (last_alloc) |
2013 | return last_alloc; | |
2014 | ||
ba493122 | 2015 | return last; |
252b5132 RH |
2016 | } |
2017 | ||
2e9246e0 AM |
2018 | /* Return whether IN is suitable to be part of OUT. */ |
2019 | ||
2020 | static bfd_boolean | |
2021 | elf_orphan_compatible (asection *in, asection *out) | |
2022 | { | |
2023 | /* Non-zero sh_info implies a section with SHF_INFO_LINK with | |
2024 | unknown semantics for the generic linker, or a SHT_REL/SHT_RELA | |
2025 | section where sh_info specifies a symbol table. (We won't see | |
2026 | SHT_GROUP, SHT_SYMTAB or SHT_DYNSYM sections here.) We clearly | |
2027 | can't merge SHT_REL/SHT_RELA using differing symbol tables, and | |
2028 | shouldn't merge sections with differing unknown semantics. */ | |
2029 | if (elf_section_data (out)->this_hdr.sh_info | |
2030 | != elf_section_data (in)->this_hdr.sh_info) | |
2031 | return FALSE; | |
2032 | /* We can't merge two sections with differing SHF_EXCLUDE when doing | |
2033 | a relocatable link. */ | |
2034 | if (bfd_link_relocatable (&link_info) | |
2035 | && ((elf_section_flags (out) ^ elf_section_flags (in)) & SHF_EXCLUDE) != 0) | |
2036 | return FALSE; | |
2037 | return _bfd_elf_match_sections_by_type (link_info.output_bfd, out, | |
2038 | in->owner, in); | |
2039 | } | |
2040 | ||
252b5132 RH |
2041 | /* Place an orphan section. We use this to put random SHF_ALLOC |
2042 | sections in the right segment. */ | |
2043 | ||
c2edb4b8 | 2044 | static lang_output_section_statement_type * |
8a99a385 AM |
2045 | gld${EMULATION_NAME}_place_orphan (asection *s, |
2046 | const char *secname, | |
2047 | int constraint) | |
252b5132 | 2048 | { |
afd7a018 AM |
2049 | static struct orphan_save hold[] = |
2050 | { | |
2051 | { ".text", | |
2052 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
2053 | 0, 0, 0, 0 }, | |
2054 | { ".rodata", | |
2055 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2056 | 0, 0, 0, 0 }, | |
d85e71fe L |
2057 | { ".tdata", |
2058 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_THREAD_LOCAL, | |
2059 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2060 | { ".data", |
2061 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
2062 | 0, 0, 0, 0 }, | |
2063 | { ".bss", | |
2064 | SEC_ALLOC, | |
2065 | 0, 0, 0, 0 }, | |
2066 | { 0, | |
2067 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2068 | 0, 0, 0, 0 }, | |
2069 | { ".interp", | |
2070 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
2071 | 0, 0, 0, 0 }, | |
2072 | { ".sdata", | |
2073 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
07890c07 | 2074 | 0, 0, 0, 0 }, |
175b7cd4 | 2075 | { ".comment", |
07890c07 AM |
2076 | SEC_HAS_CONTENTS, |
2077 | 0, 0, 0, 0 }, | |
afd7a018 AM |
2078 | }; |
2079 | enum orphan_save_index | |
2080 | { | |
2081 | orphan_text = 0, | |
2082 | orphan_rodata, | |
d85e71fe | 2083 | orphan_tdata, |
afd7a018 AM |
2084 | orphan_data, |
2085 | orphan_bss, | |
2086 | orphan_rel, | |
2087 | orphan_interp, | |
07890c07 AM |
2088 | orphan_sdata, |
2089 | orphan_nonalloc | |
afd7a018 AM |
2090 | }; |
2091 | static int orphan_init_done = 0; | |
6a345e87 | 2092 | struct orphan_save *place; |
afd7a018 | 2093 | lang_output_section_statement_type *after; |
252b5132 | 2094 | lang_output_section_statement_type *os; |
b5f14a6d | 2095 | lang_output_section_statement_type *match_by_name = NULL; |
24cdb50a | 2096 | int isdyn = 0; |
2e9246e0 AM |
2097 | int elfinput = s->owner->xvec->flavour == bfd_target_elf_flavour; |
2098 | int elfoutput = link_info.output_bfd->xvec->flavour == bfd_target_elf_flavour; | |
2099 | unsigned int sh_type = elfinput ? elf_section_type (s) : SHT_NULL; | |
199af150 AM |
2100 | flagword flags; |
2101 | asection *nexts; | |
252b5132 | 2102 | |
0e1862bb | 2103 | if (!bfd_link_relocatable (&link_info) |
24cdb50a | 2104 | && link_info.combreloc |
ecca9871 | 2105 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 2106 | { |
2e9246e0 | 2107 | if (elfinput) |
ecca9871 L |
2108 | switch (sh_type) |
2109 | { | |
2110 | case SHT_RELA: | |
2111 | secname = ".rela.dyn"; | |
2112 | isdyn = 1; | |
2113 | break; | |
2114 | case SHT_REL: | |
2115 | secname = ".rel.dyn"; | |
2116 | isdyn = 1; | |
2117 | break; | |
2118 | default: | |
2119 | break; | |
2120 | } | |
0112cd26 | 2121 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
2122 | { |
2123 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
2124 | isdyn = 1; | |
2125 | } | |
24cdb50a | 2126 | } |
aea4bd9d | 2127 | |
a91e1603 | 2128 | if (!bfd_link_relocatable (&link_info) |
2e9246e0 AM |
2129 | && elfinput |
2130 | && elfoutput | |
a91e1603 L |
2131 | && (s->flags & SEC_ALLOC) != 0 |
2132 | && (elf_section_flags (s) & SHF_GNU_MBIND) != 0) | |
2133 | { | |
2134 | /* Find the output mbind section with the same type, attributes | |
2135 | and sh_info field. */ | |
2136 | for (os = &lang_output_section_statement.head->output_section_statement; | |
2137 | os != NULL; | |
2138 | os = os->next) | |
2139 | if (os->bfd_section != NULL | |
2140 | && !bfd_is_abs_section (os->bfd_section) | |
2141 | && (elf_section_flags (os->bfd_section) & SHF_GNU_MBIND) != 0 | |
2142 | && ((s->flags & (SEC_ALLOC | |
2143 | | SEC_LOAD | |
2144 | | SEC_HAS_CONTENTS | |
2145 | | SEC_READONLY | |
2146 | | SEC_CODE)) | |
2147 | == (os->bfd_section->flags & (SEC_ALLOC | |
2148 | | SEC_LOAD | |
2149 | | SEC_HAS_CONTENTS | |
2150 | | SEC_READONLY | |
2151 | | SEC_CODE))) | |
2152 | && (elf_section_data (os->bfd_section)->this_hdr.sh_info | |
2153 | == elf_section_data (s)->this_hdr.sh_info)) | |
2154 | { | |
2155 | lang_add_section (&os->children, s, NULL, os); | |
2156 | return os; | |
2157 | } | |
2158 | ||
2159 | /* Create the output mbind section with the ".mbind." prefix | |
2160 | in section name. */ | |
2161 | if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
2162 | secname = ".mbind.bss"; | |
2163 | else if ((s->flags & SEC_READONLY) == 0) | |
2164 | secname = ".mbind.data"; | |
2165 | else if ((s->flags & SEC_CODE) == 0) | |
2166 | secname = ".mbind.rodata"; | |
2167 | else | |
2168 | secname = ".mbind.text"; | |
2169 | } | |
2170 | ||
2e9246e0 AM |
2171 | /* Look through the script to see where to place this section. The |
2172 | script includes entries added by previous lang_insert_orphan | |
2173 | calls, so this loop puts multiple compatible orphans of the same | |
2174 | name into a single output section. */ | |
2175 | if (constraint == 0) | |
d127ecce AM |
2176 | for (os = lang_output_section_find (secname); |
2177 | os != NULL; | |
2178 | os = next_matching_output_section_statement (os, 0)) | |
2179 | { | |
2180 | /* If we don't match an existing output section, tell | |
2181 | lang_insert_orphan to create a new output section. */ | |
2182 | constraint = SPECIAL; | |
2183 | ||
2e9246e0 AM |
2184 | /* Check to see if we already have an output section statement |
2185 | with this name, and its bfd section has compatible flags. | |
2186 | If the section already exists but does not have any flags | |
2187 | set, then it has been created by the linker, possibly as a | |
2188 | result of a --section-start command line switch. */ | |
d127ecce AM |
2189 | if (os->bfd_section != NULL |
2190 | && (os->bfd_section->flags == 0 | |
2e9246e0 | 2191 | || (((s->flags ^ os->bfd_section->flags) |
199af150 | 2192 | & (SEC_LOAD | SEC_ALLOC)) == 0 |
2e9246e0 AM |
2193 | && (!elfinput |
2194 | || !elfoutput | |
2195 | || elf_orphan_compatible (s, os->bfd_section))))) | |
d127ecce | 2196 | { |
b9c361e0 | 2197 | lang_add_section (&os->children, s, NULL, os); |
d127ecce AM |
2198 | return os; |
2199 | } | |
b5f14a6d DD |
2200 | |
2201 | /* Save unused output sections in case we can match them | |
2202 | against orphans later. */ | |
2203 | if (os->bfd_section == NULL) | |
2204 | match_by_name = os; | |
d127ecce | 2205 | } |
252b5132 | 2206 | |
b5f14a6d DD |
2207 | /* If we didn't match an active output section, see if we matched an |
2208 | unused one and use that. */ | |
2209 | if (match_by_name) | |
2210 | { | |
b9c361e0 | 2211 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
2212 | return match_by_name; |
2213 | } | |
2214 | ||
afd7a018 AM |
2215 | if (!orphan_init_done) |
2216 | { | |
2217 | struct orphan_save *ho; | |
07890c07 | 2218 | |
afd7a018 AM |
2219 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
2220 | if (ho->name != NULL) | |
2221 | { | |
2222 | ho->os = lang_output_section_find (ho->name); | |
2223 | if (ho->os != NULL && ho->os->flags == 0) | |
2224 | ho->os->flags = ho->flags; | |
2225 | } | |
2226 | orphan_init_done = 1; | |
2227 | } | |
252b5132 RH |
2228 | |
2229 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
2230 | sections into the .text section to get them out of the way. */ | |
0e1862bb | 2231 | if (bfd_link_executable (&link_info) |
bcacc0f5 | 2232 | && CONST_STRNEQ (s->name, ".gnu.warning.") |
afd7a018 | 2233 | && hold[orphan_text].os != NULL) |
252b5132 | 2234 | { |
c2edb4b8 | 2235 | os = hold[orphan_text].os; |
b9c361e0 | 2236 | lang_add_section (&os->children, s, NULL, os); |
c2edb4b8 | 2237 | return os; |
252b5132 RH |
2238 | } |
2239 | ||
077fcd6a L |
2240 | flags = s->flags; |
2241 | if (!bfd_link_relocatable (&link_info)) | |
2242 | { | |
2243 | nexts = s; | |
2244 | while ((nexts = bfd_get_next_section_by_name (nexts->owner, nexts)) | |
2245 | != NULL) | |
2246 | if (nexts->output_section == NULL | |
2247 | && (nexts->flags & SEC_EXCLUDE) == 0 | |
2248 | && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0 | |
2249 | && (nexts->owner->flags & DYNAMIC) == 0 | |
2250 | && nexts->owner->usrdata != NULL | |
2251 | && !(((lang_input_statement_type *) nexts->owner->usrdata) | |
2252 | ->flags.just_syms) | |
2253 | && _bfd_elf_match_sections_by_type (nexts->owner, nexts, | |
2254 | s->owner, s)) | |
2255 | flags = (((flags ^ SEC_READONLY) | |
2256 | | (nexts->flags ^ SEC_READONLY)) | |
2257 | ^ SEC_READONLY); | |
2258 | } | |
2259 | ||
252b5132 RH |
2260 | /* Decide which segment the section should go in based on the |
2261 | section name and section flags. We put loadable .note sections | |
2262 | right after the .interp section, so that the PT_NOTE segment is | |
2263 | stored right after the program headers where the OS can read it | |
2264 | in the first page. */ | |
aea4bd9d | 2265 | |
71bfc0ae | 2266 | place = NULL; |
199af150 | 2267 | if ((flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0) |
07890c07 | 2268 | place = &hold[orphan_nonalloc]; |
199af150 | 2269 | else if ((flags & SEC_ALLOC) == 0) |
71bfc0ae | 2270 | ; |
199af150 | 2271 | else if ((flags & SEC_LOAD) != 0 |
8fd04a42 AM |
2272 | && (elfinput |
2273 | ? sh_type == SHT_NOTE | |
2274 | : CONST_STRNEQ (secname, ".note"))) | |
afd7a018 | 2275 | place = &hold[orphan_interp]; |
199af150 | 2276 | else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0) |
afd7a018 | 2277 | place = &hold[orphan_bss]; |
199af150 | 2278 | else if ((flags & SEC_SMALL_DATA) != 0) |
afd7a018 | 2279 | place = &hold[orphan_sdata]; |
199af150 | 2280 | else if ((flags & SEC_THREAD_LOCAL) != 0) |
d85e71fe | 2281 | place = &hold[orphan_tdata]; |
199af150 | 2282 | else if ((flags & SEC_READONLY) == 0) |
afd7a018 | 2283 | place = &hold[orphan_data]; |
8fd04a42 AM |
2284 | else if ((flags & SEC_LOAD) != 0 |
2285 | && (elfinput | |
2286 | ? sh_type == SHT_RELA || sh_type == SHT_REL | |
2287 | : CONST_STRNEQ (secname, ".rel"))) | |
afd7a018 | 2288 | place = &hold[orphan_rel]; |
199af150 | 2289 | else if ((flags & SEC_CODE) == 0) |
afd7a018 AM |
2290 | place = &hold[orphan_rodata]; |
2291 | else | |
2292 | place = &hold[orphan_text]; | |
71bfc0ae | 2293 | |
afd7a018 | 2294 | after = NULL; |
5ba47421 | 2295 | if (place != NULL) |
252b5132 | 2296 | { |
afd7a018 | 2297 | if (place->os == NULL) |
5ba47421 | 2298 | { |
afd7a018 AM |
2299 | if (place->name != NULL) |
2300 | place->os = lang_output_section_find (place->name); | |
2301 | else | |
8fd04a42 AM |
2302 | { |
2303 | int rela = elfinput ? sh_type == SHT_RELA : secname[4] == 'a'; | |
2304 | place->os = output_rel_find (isdyn, rela); | |
2305 | } | |
5ba47421 | 2306 | } |
afd7a018 AM |
2307 | after = place->os; |
2308 | if (after == NULL) | |
93638471 AM |
2309 | after |
2310 | = lang_output_section_find_by_flags (s, flags, &place->os, | |
2311 | _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
2312 | if (after == NULL) |
2313 | /* *ABS* is always the first output section statement. */ | |
2314 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
2315 | } |
2316 | ||
c2edb4b8 | 2317 | return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL); |
252b5132 | 2318 | } |
c56feb2b AM |
2319 | EOF |
2320 | fi | |
2321 | ||
eaeb0a9d | 2322 | if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then |
92b93329 | 2323 | fragment <<EOF |
252b5132 | 2324 | |
deb04cdb | 2325 | static void |
eaeb0a9d | 2326 | gld${EMULATION_NAME}_after_allocation (void) |
deb04cdb | 2327 | { |
75938853 AM |
2328 | int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info); |
2329 | ||
2330 | if (need_layout < 0) | |
d003af55 | 2331 | einfo (_("%X%P: .eh_frame/.stab edit: %E\n")); |
75938853 AM |
2332 | else |
2333 | gld${EMULATION_NAME}_map_segments (need_layout); | |
73d074b4 | 2334 | } |
41392f03 AM |
2335 | EOF |
2336 | fi | |
2337 | ||
2338 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
92b93329 | 2339 | fragment <<EOF |
252b5132 RH |
2340 | |
2341 | static char * | |
0c7a8e5a | 2342 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
2343 | EOF |
2344 | ||
7225345d | 2345 | if test x"$COMPILE_IN" = xyes |
252b5132 RH |
2346 | then |
2347 | # Scripts compiled in. | |
2348 | ||
2349 | # sed commands to quote an ld script as a C string. | |
597e2591 | 2350 | sc="-f stringify.sed" |
252b5132 | 2351 | |
92b93329 | 2352 | fragment <<EOF |
60bcf0fa | 2353 | { |
252b5132 RH |
2354 | *isfile = 0; |
2355 | ||
0e1862bb | 2356 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
597e2591 | 2357 | return |
252b5132 | 2358 | EOF |
afd7a018 | 2359 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
0e1862bb | 2360 | echo ' ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c |
afd7a018 AM |
2361 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
2362 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2363 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 2364 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
2365 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
2366 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 2367 | fi |
36af4a4e JJ |
2368 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2369 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
0e1862bb L |
2370 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c |
2371 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
47acac12 L |
2372 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c |
2373 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
2374 | sed $sc ldscripts/${EMULATION_NAME}.xdwe >> e${EMULATION_NAME}.c | |
2375 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c | |
2376 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
0e1862bb | 2377 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2378 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2379 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
a3813728 AK |
2380 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2381 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c | |
2382 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
2383 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c | |
2384 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2385 | sed $sc ldscripts/${EMULATION_NAME}.xdceo >> e${EMULATION_NAME}.c | |
2386 | fi | |
0e1862bb | 2387 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c |
47acac12 L |
2388 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c |
2389 | echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
2390 | sed $sc ldscripts/${EMULATION_NAME}.xdce >> e${EMULATION_NAME}.c | |
a3813728 AK |
2391 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2392 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c | |
2393 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
2394 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2395 | sed $sc ldscripts/${EMULATION_NAME}.xdco >> e${EMULATION_NAME}.c | |
2396 | fi | |
47acac12 | 2397 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c |
0e1862bb | 2398 | echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2399 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
a3813728 AK |
2400 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2401 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c | |
2402 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c | |
2403 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2404 | sed $sc ldscripts/${EMULATION_NAME}.xdeo >> e${EMULATION_NAME}.c | |
2405 | fi | |
36af4a4e | 2406 | fi |
47acac12 L |
2407 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c |
2408 | echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c | |
2409 | sed $sc ldscripts/${EMULATION_NAME}.xde >> e${EMULATION_NAME}.c | |
a3813728 AK |
2410 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2411 | echo ' ; else if (bfd_link_pie (&link_info)' >> e${EMULATION_NAME}.c | |
2412 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2413 | sed $sc ldscripts/${EMULATION_NAME}.xdo >> e${EMULATION_NAME}.c | |
2414 | fi | |
0e1862bb | 2415 | echo ' ; else if (bfd_link_pie (&link_info)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2416 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c |
36af4a4e | 2417 | fi |
252b5132 | 2418 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 2419 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
fb24d531 L |
2420 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c |
2421 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
47acac12 L |
2422 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c |
2423 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
2424 | sed $sc ldscripts/${EMULATION_NAME}.xswe >> e${EMULATION_NAME}.c | |
2425 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c | |
2426 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
fb24d531 | 2427 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2428 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2429 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
a3813728 AK |
2430 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2431 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c | |
2432 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
2433 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c | |
2434 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2435 | sed $sc ldscripts/${EMULATION_NAME}.xsceo >> e${EMULATION_NAME}.c | |
2436 | fi | |
fb24d531 | 2437 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c |
47acac12 L |
2438 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c |
2439 | echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c | |
2440 | sed $sc ldscripts/${EMULATION_NAME}.xsce >> e${EMULATION_NAME}.c | |
a3813728 AK |
2441 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2442 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c | |
2443 | echo ' && link_info.combreloc' >> e${EMULATION_NAME}.c | |
2444 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2445 | sed $sc ldscripts/${EMULATION_NAME}.xsco >> e${EMULATION_NAME}.c | |
2446 | fi | |
47acac12 | 2447 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c |
fb24d531 | 2448 | echo ' && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2449 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
a3813728 AK |
2450 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2451 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c | |
2452 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c | |
2453 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2454 | sed $sc ldscripts/${EMULATION_NAME}.xseo >> e${EMULATION_NAME}.c | |
2455 | fi | |
82434356 | 2456 | fi |
47acac12 L |
2457 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c |
2458 | echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c | |
2459 | sed $sc ldscripts/${EMULATION_NAME}.xse >> e${EMULATION_NAME}.c | |
a3813728 AK |
2460 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2461 | echo ' ; else if (bfd_link_dll (&link_info)' >> e${EMULATION_NAME}.c | |
2462 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2463 | sed $sc ldscripts/${EMULATION_NAME}.xso >> e${EMULATION_NAME}.c | |
2464 | fi | |
0e1862bb | 2465 | echo ' ; else if (bfd_link_dll (&link_info)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2466 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c |
252b5132 | 2467 | fi |
82434356 | 2468 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
fb24d531 | 2469 | echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c |
47acac12 L |
2470 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c |
2471 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
2472 | sed $sc ldscripts/${EMULATION_NAME}.xwe >> e${EMULATION_NAME}.c | |
2473 | echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c | |
fb24d531 | 2474 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2475 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2476 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
a3813728 AK |
2477 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2478 | echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c | |
2479 | echo ' && link_info.separate_code' >> e${EMULATION_NAME}.c | |
2480 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2481 | sed $sc ldscripts/${EMULATION_NAME}.xceo >> e${EMULATION_NAME}.c | |
2482 | fi | |
47acac12 L |
2483 | echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c |
2484 | echo ' && link_info.separate_code) return' >> e${EMULATION_NAME}.c | |
2485 | sed $sc ldscripts/${EMULATION_NAME}.xce >> e${EMULATION_NAME}.c | |
a3813728 AK |
2486 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2487 | echo ' ; else if (link_info.combreloc' >> e${EMULATION_NAME}.c | |
2488 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2489 | sed $sc ldscripts/${EMULATION_NAME}.xco >> e${EMULATION_NAME}.c | |
2490 | fi | |
afd7a018 AM |
2491 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
2492 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 2493 | fi |
a3813728 AK |
2494 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2495 | echo ' ; else if (link_info.separate_code' >> e${EMULATION_NAME}.c | |
2496 | echo ' && link_info.relro) return' >> e${EMULATION_NAME}.c | |
2497 | sed $sc ldscripts/${EMULATION_NAME}.xeo >> e${EMULATION_NAME}.c | |
2498 | fi | |
2499 | echo ' ; else if (link_info.separate_code) return' >> e${EMULATION_NAME}.c | |
47acac12 | 2500 | sed $sc ldscripts/${EMULATION_NAME}.xe >> e${EMULATION_NAME}.c |
a3813728 AK |
2501 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2502 | echo ' ; else if (link_info.relro) return' >> e${EMULATION_NAME}.c | |
2503 | sed $sc ldscripts/${EMULATION_NAME}.xo >> e${EMULATION_NAME}.c | |
2504 | fi | |
afd7a018 AM |
2505 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2506 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2507 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
2508 | |
2509 | else | |
2510 | # Scripts read from the filesystem. | |
2511 | ||
92b93329 | 2512 | fragment <<EOF |
60bcf0fa | 2513 | { |
252b5132 RH |
2514 | *isfile = 1; |
2515 | ||
0e1862bb | 2516 | if (bfd_link_relocatable (&link_info) && config.build_constructors) |
252b5132 | 2517 | return "ldscripts/${EMULATION_NAME}.xu"; |
0e1862bb | 2518 | else if (bfd_link_relocatable (&link_info)) |
252b5132 RH |
2519 | return "ldscripts/${EMULATION_NAME}.xr"; |
2520 | else if (!config.text_read_only) | |
2521 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
2522 | EOF |
2523 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
2524 | else | |
92b93329 | 2525 | fragment <<EOF |
252b5132 RH |
2526 | else if (!config.magic_demand_paged) |
2527 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
2528 | EOF |
2529 | fi | |
36af4a4e JJ |
2530 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2531 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2532 | fragment <<EOF |
0e1862bb L |
2533 | else if (bfd_link_pie (&link_info) |
2534 | && link_info.combreloc | |
2535 | && link_info.relro | |
2536 | && (link_info.flags & DF_BIND_NOW)) | |
47acac12 L |
2537 | { |
2538 | if (link_info.separate_code) | |
2539 | return "ldscripts/${EMULATION_NAME}.xdwe"; | |
2540 | else | |
2541 | return "ldscripts/${EMULATION_NAME}.xdw"; | |
2542 | } | |
a3813728 AK |
2543 | EOF |
2544 | if test -n "$GENERATE_RELRO_SCRIPT" ; then | |
2545 | fragment <<EOF | |
2546 | else if (bfd_link_pie (&link_info) | |
2547 | && link_info.combreloc | |
2548 | && link_info.relro) | |
2549 | { | |
2550 | if (link_info.separate_code) | |
2551 | return "ldscripts/${EMULATION_NAME}.xdceo"; | |
2552 | else | |
2553 | return "ldscripts/${EMULATION_NAME}.xdco"; | |
2554 | } | |
2555 | EOF | |
2556 | fi | |
2557 | fragment <<EOF | |
0e1862bb L |
2558 | else if (bfd_link_pie (&link_info) |
2559 | && link_info.combreloc) | |
47acac12 L |
2560 | { |
2561 | if (link_info.separate_code) | |
2562 | return "ldscripts/${EMULATION_NAME}.xdce"; | |
2563 | else | |
2564 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
2565 | } | |
36af4a4e JJ |
2566 | EOF |
2567 | fi | |
a3813728 AK |
2568 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2569 | fragment <<EOF | |
2570 | else if (bfd_link_pie (&link_info) | |
2571 | && link_info.relro) | |
2572 | { | |
2573 | if (link_info.separate_code) | |
2574 | return "ldscripts/${EMULATION_NAME}.xdeo"; | |
2575 | else | |
2576 | return "ldscripts/${EMULATION_NAME}.xdo"; | |
2577 | } | |
2578 | EOF | |
2579 | fi | |
92b93329 | 2580 | fragment <<EOF |
0e1862bb | 2581 | else if (bfd_link_pie (&link_info)) |
47acac12 L |
2582 | { |
2583 | if (link_info.separate_code) | |
2584 | return "ldscripts/${EMULATION_NAME}.xde"; | |
2585 | else | |
2586 | return "ldscripts/${EMULATION_NAME}.xd"; | |
2587 | } | |
36af4a4e JJ |
2588 | EOF |
2589 | fi | |
a060b769 AM |
2590 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
2591 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2592 | fragment <<EOF |
0e1862bb | 2593 | else if (bfd_link_dll (&link_info) && link_info.combreloc |
fbfca19e | 2594 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
47acac12 L |
2595 | { |
2596 | if (link_info.separate_code) | |
2597 | return "ldscripts/${EMULATION_NAME}.xswe"; | |
2598 | else | |
2599 | return "ldscripts/${EMULATION_NAME}.xsw"; | |
2600 | } | |
a3813728 AK |
2601 | EOF |
2602 | if test -n "$GENERATE_RELRO_SCRIPT" ; then | |
2603 | fragment <<EOF | |
2604 | else if (bfd_link_dll (&link_info) | |
2605 | && link_info.combreloc | |
2606 | && link_info.relro) | |
2607 | { | |
2608 | if (link_info.separate_code) | |
2609 | return "ldscripts/${EMULATION_NAME}.xsceo"; | |
2610 | else | |
2611 | return "ldscripts/${EMULATION_NAME}.xsco"; | |
2612 | } | |
2613 | EOF | |
2614 | fi | |
2615 | fragment <<EOF | |
0e1862bb | 2616 | else if (bfd_link_dll (&link_info) && link_info.combreloc) |
47acac12 L |
2617 | { |
2618 | if (link_info.separate_code) | |
2619 | return "ldscripts/${EMULATION_NAME}.xsce"; | |
2620 | else | |
2621 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
2622 | } | |
a060b769 AM |
2623 | EOF |
2624 | fi | |
a3813728 AK |
2625 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2626 | fragment <<EOF | |
2627 | else if (bfd_link_dll (&link_info) | |
2628 | && link_info.relro) | |
2629 | { | |
2630 | if (link_info.separate_code) | |
2631 | return "ldscripts/${EMULATION_NAME}.xseo"; | |
2632 | else | |
2633 | return "ldscripts/${EMULATION_NAME}.xso"; | |
2634 | } | |
2635 | EOF | |
2636 | fi | |
92b93329 | 2637 | fragment <<EOF |
0e1862bb | 2638 | else if (bfd_link_dll (&link_info)) |
47acac12 L |
2639 | { |
2640 | if (link_info.separate_code) | |
2641 | return "ldscripts/${EMULATION_NAME}.xse"; | |
2642 | else | |
2643 | return "ldscripts/${EMULATION_NAME}.xs"; | |
2644 | } | |
a060b769 AM |
2645 | EOF |
2646 | fi | |
2647 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2648 | fragment <<EOF |
8c37241b | 2649 | else if (link_info.combreloc && link_info.relro |
fbfca19e | 2650 | && (link_info.flags & DF_BIND_NOW)) |
47acac12 L |
2651 | { |
2652 | if (link_info.separate_code) | |
2653 | return "ldscripts/${EMULATION_NAME}.xwe"; | |
2654 | else | |
2655 | return "ldscripts/${EMULATION_NAME}.xw"; | |
2656 | } | |
a3813728 AK |
2657 | EOF |
2658 | if test -n "$GENERATE_RELRO_SCRIPT" ; then | |
2659 | fragment <<EOF | |
2660 | else if (link_info.combreloc | |
2661 | && link_info.relro) | |
2662 | { | |
2663 | if (link_info.separate_code) | |
2664 | return "ldscripts/${EMULATION_NAME}.xceo"; | |
2665 | else | |
2666 | return "ldscripts/${EMULATION_NAME}.xco"; | |
2667 | } | |
2668 | EOF | |
2669 | fi | |
2670 | fragment <<EOF | |
a060b769 | 2671 | else if (link_info.combreloc) |
47acac12 L |
2672 | { |
2673 | if (link_info.separate_code) | |
2674 | return "ldscripts/${EMULATION_NAME}.xce"; | |
2675 | else | |
2676 | return "ldscripts/${EMULATION_NAME}.xc"; | |
2677 | } | |
a060b769 AM |
2678 | EOF |
2679 | fi | |
a3813728 AK |
2680 | if test -n "$GENERATE_RELRO_SCRIPT" ; then |
2681 | fragment <<EOF | |
2682 | else if (link_info.relro) | |
2683 | { | |
2684 | if (link_info.separate_code) | |
2685 | return "ldscripts/${EMULATION_NAME}.xeo"; | |
2686 | else | |
2687 | return "ldscripts/${EMULATION_NAME}.xo"; | |
2688 | } | |
2689 | EOF | |
2690 | fi | |
92b93329 | 2691 | fragment <<EOF |
252b5132 | 2692 | else |
47acac12 L |
2693 | { |
2694 | if (link_info.separate_code) | |
2695 | return "ldscripts/${EMULATION_NAME}.xe"; | |
2696 | else | |
2697 | return "ldscripts/${EMULATION_NAME}.x"; | |
2698 | } | |
252b5132 | 2699 | } |
252b5132 | 2700 | |
3b108066 | 2701 | EOF |
41392f03 AM |
2702 | fi |
2703 | fi | |
3b108066 | 2704 | |
e0ee487b | 2705 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
92b93329 | 2706 | fragment <<EOF |
e0ee487b L |
2707 | $PARSE_AND_LIST_PROLOGUE |
2708 | EOF | |
2709 | fi | |
2710 | ||
92b93329 | 2711 | fragment <<EOF |
e0ee487b | 2712 | |
29063f8b NC |
2713 | enum elf_options |
2714 | { | |
2715 | OPTION_DISABLE_NEW_DTAGS = 400, | |
2716 | OPTION_ENABLE_NEW_DTAGS, | |
2717 | OPTION_GROUP, | |
2718 | OPTION_EH_FRAME_HDR, | |
2719 | OPTION_NO_EH_FRAME_HDR, | |
2720 | OPTION_EXCLUDE_LIBS, | |
2721 | OPTION_HASH_STYLE, | |
2722 | OPTION_BUILD_ID, | |
2723 | OPTION_AUDIT, | |
2724 | OPTION_COMPRESS_DEBUG | |
2725 | }; | |
e13629bc | 2726 | |
3bcf5557 | 2727 | static void |
0c7a8e5a AM |
2728 | gld${EMULATION_NAME}_add_options |
2729 | (int ns, char **shortopts, int nl, struct option **longopts, | |
2730 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 2731 | { |
fb42df5e AM |
2732 | EOF |
2733 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2734 | fragment <<EOF | |
7ee314fa | 2735 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; |
fb42df5e AM |
2736 | EOF |
2737 | else | |
2738 | fragment <<EOF | |
2739 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; | |
2740 | EOF | |
2741 | fi | |
2742 | fragment <<EOF | |
3bcf5557 | 2743 | static const struct option xtra_long[] = { |
fb42df5e AM |
2744 | EOF |
2745 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2746 | fragment <<EOF | |
7ee314fa | 2747 | {"audit", required_argument, NULL, OPTION_AUDIT}, |
fb42df5e AM |
2748 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
2749 | EOF | |
2750 | fi | |
2751 | fragment <<EOF | |
2752 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, | |
0ce398f1 | 2753 | {"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG}, |
e0ee487b | 2754 | EOF |
e0ee487b | 2755 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2756 | fragment <<EOF |
fb42df5e | 2757 | {"depaudit", required_argument, NULL, 'P'}, |
3bcf5557 AM |
2758 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
2759 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
2760 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
29063f8b | 2761 | {"no-eh-frame-hdr", no_argument, NULL, OPTION_NO_EH_FRAME_HDR}, |
b58f81ae | 2762 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 2763 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
e0ee487b L |
2764 | EOF |
2765 | fi | |
e0ee487b | 2766 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then |
92b93329 | 2767 | fragment <<EOF |
3bcf5557 | 2768 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
2769 | EOF |
2770 | fi | |
92b93329 | 2771 | fragment <<EOF |
3bcf5557 AM |
2772 | {NULL, no_argument, NULL, 0} |
2773 | }; | |
2774 | ||
2775 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
2776 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
2777 | *longopts = (struct option *) | |
2778 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
2779 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
2780 | } | |
04925e1e | 2781 | |
24382dca | 2782 | #define DEFAULT_BUILD_ID_STYLE "sha1" |
c0065db7 | 2783 | |
3bcf5557 | 2784 | static bfd_boolean |
0c7a8e5a | 2785 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 2786 | { |
e0ee487b L |
2787 | switch (optc) |
2788 | { | |
2789 | default: | |
3bcf5557 | 2790 | return FALSE; |
6c1439be | 2791 | |
c0065db7 | 2792 | case OPTION_BUILD_ID: |
30e8ee25 | 2793 | if (emit_note_gnu_build_id != NULL) |
c0065db7 | 2794 | { |
30e8ee25 AM |
2795 | free ((char *) emit_note_gnu_build_id); |
2796 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
2797 | } |
2798 | if (optarg == NULL) | |
2799 | optarg = DEFAULT_BUILD_ID_STYLE; | |
2800 | if (strcmp (optarg, "none")) | |
30e8ee25 | 2801 | emit_note_gnu_build_id = xstrdup (optarg); |
c0065db7 | 2802 | break; |
fb42df5e | 2803 | |
0ce398f1 L |
2804 | case OPTION_COMPRESS_DEBUG: |
2805 | if (strcasecmp (optarg, "none") == 0) | |
2806 | link_info.compress_debug = COMPRESS_DEBUG_NONE; | |
2807 | else if (strcasecmp (optarg, "zlib") == 0) | |
19a7fe52 | 2808 | link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB; |
0ce398f1 L |
2809 | else if (strcasecmp (optarg, "zlib-gnu") == 0) |
2810 | link_info.compress_debug = COMPRESS_DEBUG_GNU_ZLIB; | |
2811 | else if (strcasecmp (optarg, "zlib-gabi") == 0) | |
2812 | link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB; | |
2813 | else | |
df5f2391 | 2814 | einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"), |
0ce398f1 L |
2815 | optarg); |
2816 | break; | |
fb42df5e AM |
2817 | EOF |
2818 | ||
2819 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2820 | fragment <<EOF | |
7ee314fa | 2821 | case OPTION_AUDIT: |
4724d37e | 2822 | gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); |
7ee314fa | 2823 | break; |
fb42df5e | 2824 | |
7ee314fa AM |
2825 | case 'P': |
2826 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); | |
2827 | break; | |
c0065db7 | 2828 | |
6c1439be | 2829 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 2830 | link_info.new_dtags = FALSE; |
6c1439be L |
2831 | break; |
2832 | ||
2833 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 2834 | link_info.new_dtags = TRUE; |
6c1439be L |
2835 | break; |
2836 | ||
65765700 | 2837 | case OPTION_EH_FRAME_HDR: |
2f0c68f2 | 2838 | link_info.eh_frame_hdr_type = DWARF2_EH_HDR; |
65765700 JJ |
2839 | break; |
2840 | ||
29063f8b NC |
2841 | case OPTION_NO_EH_FRAME_HDR: |
2842 | link_info.eh_frame_hdr_type = 0; | |
2843 | break; | |
2844 | ||
a1ab1d2a UD |
2845 | case OPTION_GROUP: |
2846 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
2847 | /* Groups must be self-contained. */ | |
560e09e9 NC |
2848 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
2849 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
2850 | break; |
2851 | ||
b58f81ae DJ |
2852 | case OPTION_EXCLUDE_LIBS: |
2853 | add_excluded_libs (optarg); | |
2854 | break; | |
2855 | ||
fdc90cb4 JJ |
2856 | case OPTION_HASH_STYLE: |
2857 | link_info.emit_hash = FALSE; | |
2858 | link_info.emit_gnu_hash = FALSE; | |
2859 | if (strcmp (optarg, "sysv") == 0) | |
2860 | link_info.emit_hash = TRUE; | |
2861 | else if (strcmp (optarg, "gnu") == 0) | |
2862 | link_info.emit_gnu_hash = TRUE; | |
2863 | else if (strcmp (optarg, "both") == 0) | |
2864 | { | |
2865 | link_info.emit_hash = TRUE; | |
2866 | link_info.emit_gnu_hash = TRUE; | |
2867 | } | |
2868 | else | |
df5f2391 | 2869 | einfo (_("%F%P: invalid hash style \`%s'\n"), optarg); |
fdc90cb4 JJ |
2870 | break; |
2871 | ||
fb42df5e AM |
2872 | EOF |
2873 | fi | |
2874 | fragment <<EOF | |
e0ee487b | 2875 | case 'z': |
fb42df5e AM |
2876 | if (strcmp (optarg, "defs") == 0) |
2877 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; | |
97a232d7 NC |
2878 | else if (strcmp (optarg, "undefs") == 0) |
2879 | link_info.unresolved_syms_in_objects = RM_IGNORE; | |
fb42df5e AM |
2880 | else if (strcmp (optarg, "muldefs") == 0) |
2881 | link_info.allow_multiple_definition = TRUE; | |
2882 | else if (CONST_STRNEQ (optarg, "max-page-size=")) | |
2883 | { | |
2884 | char *end; | |
2885 | ||
2886 | config.maxpagesize = strtoul (optarg + 14, &end, 0); | |
2887 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) | |
eca4b721 | 2888 | einfo (_("%F%P: invalid maximum page size \`%s'\n"), |
fb42df5e AM |
2889 | optarg + 14); |
2890 | } | |
2891 | else if (CONST_STRNEQ (optarg, "common-page-size=")) | |
2892 | { | |
2893 | char *end; | |
2894 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
2895 | if (*end | |
2896 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
df5f2391 | 2897 | einfo (_("%F%P: invalid common page size \`%s'\n"), |
fb42df5e AM |
2898 | optarg + 17); |
2899 | } | |
04c3a755 NS |
2900 | else if (CONST_STRNEQ (optarg, "stack-size=")) |
2901 | { | |
2902 | char *end; | |
2903 | link_info.stacksize = strtoul (optarg + 11, &end, 0); | |
2904 | if (*end || link_info.stacksize < 0) | |
df5f2391 | 2905 | einfo (_("%F%P: invalid stack size \`%s'\n"), optarg + 11); |
04c3a755 NS |
2906 | if (!link_info.stacksize) |
2907 | /* Use -1 for explicit no-stack, because zero means | |
2908 | 'default'. */ | |
2909 | link_info.stacksize = -1; | |
2910 | } | |
fb42df5e AM |
2911 | else if (strcmp (optarg, "execstack") == 0) |
2912 | { | |
2913 | link_info.execstack = TRUE; | |
2914 | link_info.noexecstack = FALSE; | |
2915 | } | |
2916 | else if (strcmp (optarg, "noexecstack") == 0) | |
2917 | { | |
2918 | link_info.noexecstack = TRUE; | |
2919 | link_info.execstack = FALSE; | |
2920 | } | |
93ab9c0d NC |
2921 | else if (strcmp (optarg, "globalaudit") == 0) |
2922 | { | |
2923 | link_info.flags_1 |= DF_1_GLOBAUDIT; | |
2924 | } | |
fb42df5e | 2925 | EOF |
d258b828 | 2926 | |
fb42df5e AM |
2927 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
2928 | fragment <<EOF | |
b039ef04 L |
2929 | else if (strcmp (optarg, "global") == 0) |
2930 | link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL; | |
fb42df5e | 2931 | else if (strcmp (optarg, "initfirst") == 0) |
e0ee487b L |
2932 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; |
2933 | else if (strcmp (optarg, "interpose") == 0) | |
2934 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
2935 | else if (strcmp (optarg, "loadfltr") == 0) | |
2936 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
2937 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
2938 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
2939 | else if (strcmp (optarg, "nodelete") == 0) | |
2940 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
2941 | else if (strcmp (optarg, "nodlopen") == 0) | |
2942 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
2943 | else if (strcmp (optarg, "nodump") == 0) | |
2944 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
2945 | else if (strcmp (optarg, "now") == 0) | |
2946 | { | |
2947 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
2948 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
2949 | } | |
5fa222e4 AM |
2950 | else if (strcmp (optarg, "lazy") == 0) |
2951 | { | |
2952 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
2953 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
2954 | } | |
e0ee487b L |
2955 | else if (strcmp (optarg, "origin") == 0) |
2956 | { | |
2957 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
2958 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
2959 | } | |
db6751f2 | 2960 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 2961 | link_info.combreloc = TRUE; |
db6751f2 | 2962 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 2963 | link_info.combreloc = FALSE; |
8bd621d8 | 2964 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 2965 | link_info.nocopyreloc = TRUE; |
8c37241b JJ |
2966 | else if (strcmp (optarg, "relro") == 0) |
2967 | link_info.relro = TRUE; | |
2968 | else if (strcmp (optarg, "norelro") == 0) | |
2969 | link_info.relro = FALSE; | |
47acac12 L |
2970 | else if (strcmp (optarg, "separate-code") == 0) |
2971 | link_info.separate_code = TRUE; | |
2972 | else if (strcmp (optarg, "noseparate-code") == 0) | |
2973 | link_info.separate_code = FALSE; | |
b8871f35 L |
2974 | else if (strcmp (optarg, "common") == 0) |
2975 | link_info.elf_stt_common = elf_stt_common; | |
2976 | else if (strcmp (optarg, "nocommon") == 0) | |
2977 | link_info.elf_stt_common = no_elf_stt_common; | |
c192a133 AM |
2978 | else if (strcmp (optarg, "text") == 0) |
2979 | link_info.error_textrel = TRUE; | |
2980 | else if (strcmp (optarg, "notext") == 0) | |
2981 | link_info.error_textrel = FALSE; | |
2982 | else if (strcmp (optarg, "textoff") == 0) | |
2983 | link_info.error_textrel = FALSE; | |
88b882e9 | 2984 | EOF |
fb42df5e | 2985 | fi |
88b882e9 | 2986 | |
eba27bd7 L |
2987 | if test -n "$PARSE_AND_LIST_ARGS_CASE_Z" ; then |
2988 | fragment <<EOF | |
2989 | $PARSE_AND_LIST_ARGS_CASE_Z | |
2990 | EOF | |
2991 | fi | |
2992 | ||
92b93329 | 2993 | fragment <<EOF |
fb42df5e | 2994 | else |
df5f2391 | 2995 | einfo (_("%P: warning: -z %s ignored\n"), optarg); |
6c1439be | 2996 | break; |
e0ee487b | 2997 | EOF |
e0ee487b L |
2998 | |
2999 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
92b93329 | 3000 | fragment <<EOF |
e0ee487b L |
3001 | $PARSE_AND_LIST_ARGS_CASES |
3002 | EOF | |
3003 | fi | |
3004 | ||
92b93329 | 3005 | fragment <<EOF |
e0ee487b L |
3006 | } |
3007 | ||
3bcf5557 | 3008 | return TRUE; |
e0ee487b L |
3009 | } |
3010 | ||
41392f03 | 3011 | EOF |
41392f03 | 3012 | |
4b209b22 | 3013 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
c58212ea | 3014 | gld_list_options="gld${EMULATION_NAME}_list_options" |
eba27bd7 | 3015 | if test -n "$PARSE_AND_LIST_OPTIONS"; then |
92b93329 | 3016 | fragment <<EOF |
41392f03 | 3017 | |
e0ee487b | 3018 | static void |
0c7a8e5a | 3019 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b | 3020 | { |
fb42df5e | 3021 | EOF |
e0ee487b L |
3022 | |
3023 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
92b93329 | 3024 | fragment <<EOF |
e0ee487b L |
3025 | $PARSE_AND_LIST_OPTIONS |
3026 | EOF | |
3027 | fi | |
3028 | ||
92b93329 | 3029 | fragment <<EOF |
e0ee487b L |
3030 | } |
3031 | EOF | |
c58212ea L |
3032 | else |
3033 | gld_list_options="NULL" | |
3034 | fi | |
e0ee487b L |
3035 | |
3036 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
92b93329 | 3037 | fragment <<EOF |
e0ee487b L |
3038 | $PARSE_AND_LIST_EPILOGUE |
3039 | EOF | |
3040 | fi | |
41392f03 | 3041 | fi |
e0ee487b | 3042 | |
92b93329 | 3043 | fragment <<EOF |
252b5132 | 3044 | |
60bcf0fa | 3045 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 3046 | { |
41392f03 AM |
3047 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
3048 | ${LDEMUL_SYSLIB-syslib_default}, | |
3049 | ${LDEMUL_HLL-hll_default}, | |
5fe2850d | 3050 | ${LDEMUL_AFTER_PARSE-gld${EMULATION_NAME}_after_parse}, |
41392f03 | 3051 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, |
5c3261b0 | 3052 | ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default}, |
eaeb0a9d | 3053 | ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, |
41392f03 AM |
3054 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
3055 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
3056 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
3057 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
3058 | "${EMULATION_NAME}", |
3059 | "${OUTPUT_FORMAT}", | |
eaeb0a9d | 3060 | ${LDEMUL_FINISH-finish_default}, |
41392f03 AM |
3061 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
3062 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
3063 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
3064 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
3065 | ${LDEMUL_PARSE_ARGS-NULL}, |
3066 | gld${EMULATION_NAME}_add_options, | |
3067 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 3068 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
c58212ea | 3069 | ${LDEMUL_LIST_OPTIONS-${gld_list_options}}, |
4a43e768 | 3070 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 3071 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
7a2f2d82 DD |
3072 | ${LDEMUL_NEW_VERS_PATTERN-NULL}, |
3073 | ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL} | |
252b5132 RH |
3074 | }; |
3075 | EOF |