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 ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
f0fe23c2 | 16 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 |
aa820537 | 17 | Free Software Foundation, Inc. |
252b5132 RH |
18 | Written by Steve Chamberlain <sac@cygnus.com> |
19 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
20 | ||
f96b4a7b NC |
21 | This file is part of the GNU Binutils. |
22 | ||
23 | This program is free software; you can redistribute it and/or modify | |
24 | it under the terms of the GNU General Public License as published by | |
25 | the Free Software Foundation; either version 3 of the License, or | |
26 | (at your option) any later version. | |
27 | ||
28 | This program is distributed in the hope that it will be useful, | |
29 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
30 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
31 | GNU General Public License for more details. | |
32 | ||
33 | You should have received a copy of the GNU General Public License | |
34 | along with this program; if not, write to the Free Software | |
35 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
36 | MA 02110-1301, USA. */ | |
252b5132 RH |
37 | |
38 | #define TARGET_IS_${EMULATION_NAME} | |
39 | ||
252b5132 | 40 | #include "sysdep.h" |
3db64b00 | 41 | #include "bfd.h" |
1c9acd94 | 42 | #include "libiberty.h" |
42627821 | 43 | #include "filenames.h" |
3882b010 | 44 | #include "safe-ctype.h" |
fcf65871 | 45 | #include "getopt.h" |
24382dca RM |
46 | #include "md5.h" |
47 | #include "sha1.h" | |
48 | #include <fcntl.h> | |
252b5132 RH |
49 | |
50 | #include "bfdlink.h" | |
51 | ||
52 | #include "ld.h" | |
53 | #include "ldmain.h" | |
252b5132 RH |
54 | #include "ldmisc.h" |
55 | #include "ldexp.h" | |
56 | #include "ldlang.h" | |
b71e2778 AM |
57 | #include "ldfile.h" |
58 | #include "ldemul.h" | |
df2a7313 | 59 | #include <ldgram.h> |
e0ee487b | 60 | #include "elf/common.h" |
ecca9871 | 61 | #include "elf-bfd.h" |
07f1e47a | 62 | #include "filenames.h" |
252b5132 | 63 | |
0c7a8e5a AM |
64 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
65 | static void gld${EMULATION_NAME}_before_parse (void); | |
66 | static void gld${EMULATION_NAME}_after_open (void); | |
67 | static void gld${EMULATION_NAME}_before_allocation (void); | |
eaeb0a9d | 68 | static void gld${EMULATION_NAME}_after_allocation (void); |
c2edb4b8 | 69 | static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan |
8a99a385 | 70 | (asection *, const char *, int); |
41392f03 AM |
71 | EOF |
72 | ||
d3989512 JJ |
73 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
74 | case ${target} in | |
a5244b7e | 75 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 76 | fragment <<EOF |
0b48acfe | 77 | #ifdef HAVE_GLOB |
d3989512 | 78 | #include <glob.h> |
0b48acfe | 79 | #endif |
d3989512 JJ |
80 | EOF |
81 | ;; | |
82 | esac | |
83 | fi | |
84 | ||
41392f03 AM |
85 | # Import any needed special functions and/or overrides. |
86 | # | |
92b93329 | 87 | source_em ${srcdir}/emultempl/elf-generic.em |
41392f03 | 88 | if test -n "$EXTRA_EM_FILE" ; then |
92b93329 | 89 | source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em |
41392f03 AM |
90 | fi |
91 | ||
f813923c | 92 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
93 | # variables. If the name of the overriding function is the same as is |
94 | # defined in this file, then don't output this file's version. | |
95 | # If a different overriding name is given then output the standard function | |
96 | # as presumably it is called from the overriding function. | |
97 | # | |
98 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
92b93329 | 99 | fragment <<EOF |
41392f03 | 100 | |
252b5132 | 101 | static void |
0c7a8e5a | 102 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 103 | { |
5e2f1575 | 104 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
66be1055 | 105 | input_flags.dynamic = ${DYNAMIC_LINK-TRUE}; |
b34976b6 | 106 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; |
4724d37e | 107 | config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`; |
663fa543 L |
108 | } |
109 | ||
822b8bf4 | 110 | EOF |
663fa543 | 111 | fi |
822b8bf4 | 112 | |
4a43e768 | 113 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
92b93329 | 114 | fragment <<EOF |
ddbb8a31 | 115 | /* Handle the generation of DT_NEEDED tags. */ |
4a43e768 AM |
116 | |
117 | static bfd_boolean | |
118 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
119 | { | |
96d56e9f | 120 | int link_class = 0; |
4a43e768 AM |
121 | |
122 | /* Tell the ELF linker that we don't want the output file to have a | |
123 | DT_NEEDED entry for this file, unless it is used to resolve | |
124 | references in a regular object. */ | |
66be1055 | 125 | if (entry->flags.add_DT_NEEDED_for_regular) |
96d56e9f | 126 | link_class = DYN_AS_NEEDED; |
e56f61be L |
127 | |
128 | /* Tell the ELF linker that we don't want the output file to have a | |
129 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
130 | this file at all. */ | |
66be1055 | 131 | if (!entry->flags.add_DT_NEEDED_for_dynamic) |
96d56e9f | 132 | link_class |= DYN_NO_ADD_NEEDED; |
e56f61be | 133 | |
66be1055 | 134 | if (entry->flags.just_syms |
12b9ff6c L |
135 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) |
136 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
137 | entry->the_bfd); | |
138 | ||
ddbb8a31 | 139 | if (link_class == 0 |
e56f61be L |
140 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) |
141 | return FALSE; | |
142 | ||
1e9cc1c2 | 143 | bfd_elf_set_dyn_lib_class (entry->the_bfd, |
4724d37e | 144 | (enum dynamic_lib_link_class) link_class); |
4a43e768 AM |
145 | |
146 | /* Continue on with normal load_symbols processing. */ | |
147 | return FALSE; | |
148 | } | |
149 | EOF | |
150 | fi | |
151 | ||
92b93329 | 152 | fragment <<EOF |
252b5132 RH |
153 | |
154 | /* These variables are required to pass information back and forth | |
155 | between after_open and check_needed and stat_needed and vercheck. */ | |
156 | ||
157 | static struct bfd_link_needed_list *global_needed; | |
158 | static struct stat global_stat; | |
e13629bc | 159 | static lang_input_statement_type *global_found; |
252b5132 | 160 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 161 | static bfd_boolean global_vercheck_failed; |
252b5132 | 162 | |
7ee314fa AM |
163 | /* These variables are used to implement target options */ |
164 | ||
165 | static char *audit; /* colon (typically) separated list of libs */ | |
166 | static char *depaudit; /* colon (typically) separated list of libs */ | |
252b5132 | 167 | |
30e8ee25 AM |
168 | /* Style of .note.gnu.build-id section. */ |
169 | static const char *emit_note_gnu_build_id; | |
170 | ||
04925e1e AM |
171 | /* On Linux, it's possible to have different versions of the same |
172 | shared library linked against different versions of libc. The | |
173 | dynamic linker somehow tags which libc version to use in | |
174 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
175 | executable, chooses which version of the shared library to use. | |
252b5132 | 176 | |
04925e1e AM |
177 | We try to do a similar check here by checking whether this shared |
178 | library needs any other shared libraries which may conflict with | |
179 | libraries we have already included in the link. If it does, we | |
180 | skip it, and try to find another shared library farther on down the | |
181 | link path. | |
252b5132 | 182 | |
04925e1e AM |
183 | This is called via lang_for_each_input_file. |
184 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 185 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 186 | a conflicting version. */ |
252b5132 | 187 | |
04925e1e | 188 | static void |
0c7a8e5a | 189 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 190 | { |
1c9acd94 | 191 | const char *soname; |
04925e1e | 192 | struct bfd_link_needed_list *l; |
252b5132 | 193 | |
04925e1e AM |
194 | if (global_vercheck_failed) |
195 | return; | |
196 | if (s->the_bfd == NULL | |
197 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
198 | return; | |
252b5132 | 199 | |
04925e1e AM |
200 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
201 | if (soname == NULL) | |
fed2999d | 202 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
203 | |
204 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
205 | { | |
206 | const char *suffix; | |
207 | ||
42627821 | 208 | if (filename_cmp (soname, l->name) == 0) |
04925e1e AM |
209 | { |
210 | /* Probably can't happen, but it's an easy check. */ | |
211 | continue; | |
252b5132 RH |
212 | } |
213 | ||
04925e1e | 214 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
215 | continue; |
216 | ||
04925e1e AM |
217 | suffix = strstr (l->name, ".so."); |
218 | if (suffix == NULL) | |
219 | continue; | |
220 | ||
221 | suffix += sizeof ".so." - 1; | |
222 | ||
42627821 | 223 | if (filename_ncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
224 | { |
225 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
226 | the object we are considering needs a dynamic object |
227 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
228 | appears to be a version mismatch, so we tell the caller | |
229 | to try a different version of this library. */ | |
b34976b6 | 230 | global_vercheck_failed = TRUE; |
04925e1e AM |
231 | return; |
232 | } | |
252b5132 RH |
233 | } |
234 | } | |
235 | ||
252b5132 | 236 | |
04925e1e AM |
237 | /* See if an input file matches a DT_NEEDED entry by running stat on |
238 | the file. */ | |
239 | ||
240 | static void | |
0c7a8e5a | 241 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 242 | { |
04925e1e AM |
243 | struct stat st; |
244 | const char *suffix; | |
245 | const char *soname; | |
252b5132 | 246 | |
e13629bc | 247 | if (global_found != NULL) |
04925e1e AM |
248 | return; |
249 | if (s->the_bfd == NULL) | |
250 | return; | |
e13629bc AM |
251 | |
252 | /* If this input file was an as-needed entry, and wasn't found to be | |
253 | needed at the stage it was linked, then don't say we have loaded it. */ | |
254 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 255 | return; |
04925e1e AM |
256 | |
257 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 258 | { |
04925e1e AM |
259 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
260 | return; | |
261 | } | |
252b5132 | 262 | |
9eabd475 ZW |
263 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
264 | st_ino; they always set it to zero. (Windows does provide a | |
265 | meaningful st_dev.) Do not indicate a duplicate library in that | |
266 | case. While there is no guarantee that a system that provides | |
267 | meaningful inode numbers will never set st_ino to zero, this is | |
268 | merely an optimization, so we do not need to worry about false | |
269 | negatives. */ | |
04925e1e | 270 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
271 | && st.st_ino == global_stat.st_ino |
272 | && st.st_ino != 0) | |
04925e1e | 273 | { |
e13629bc | 274 | global_found = s; |
04925e1e AM |
275 | return; |
276 | } | |
252b5132 | 277 | |
04925e1e AM |
278 | /* We issue a warning if it looks like we are including two |
279 | different versions of the same shared library. For example, | |
280 | there may be a problem if -lc picks up libc.so.6 but some other | |
281 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 282 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
283 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
284 | If we really want to issue warnings about mixing version numbers | |
285 | of shared libraries, we need to find a better way. */ | |
252b5132 | 286 | |
04925e1e AM |
287 | if (strchr (global_needed->name, '/') != NULL) |
288 | return; | |
289 | suffix = strstr (global_needed->name, ".so."); | |
290 | if (suffix == NULL) | |
291 | return; | |
292 | suffix += sizeof ".so." - 1; | |
252b5132 | 293 | |
04925e1e AM |
294 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
295 | if (soname == NULL) | |
fed2999d | 296 | soname = lbasename (s->filename); |
252b5132 | 297 | |
42627821 | 298 | if (filename_ncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 299 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 300 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
301 | } |
302 | ||
e56f61be L |
303 | struct dt_needed |
304 | { | |
305 | bfd *by; | |
306 | const char *name; | |
307 | }; | |
04925e1e | 308 | |
252b5132 RH |
309 | /* This function is called for each possible name for a dynamic object |
310 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
311 | to skip the check for a conflicting version. */ | |
312 | ||
b34976b6 | 313 | static bfd_boolean |
e56f61be L |
314 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
315 | int force) | |
252b5132 RH |
316 | { |
317 | bfd *abfd; | |
e56f61be | 318 | const char *name = needed->name; |
ec4eb78a | 319 | const char *soname; |
96d56e9f | 320 | int link_class; |
252b5132 | 321 | |
f13a99db | 322 | abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd)); |
252b5132 | 323 | if (abfd == NULL) |
b34976b6 | 324 | return FALSE; |
4a114e3e L |
325 | |
326 | /* Linker needs to decompress sections. */ | |
327 | abfd->flags |= BFD_DECOMPRESS; | |
328 | ||
252b5132 RH |
329 | if (! bfd_check_format (abfd, bfd_object)) |
330 | { | |
cde43e70 | 331 | bfd_close (abfd); |
b34976b6 | 332 | return FALSE; |
252b5132 RH |
333 | } |
334 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
335 | { | |
cde43e70 | 336 | bfd_close (abfd); |
b34976b6 | 337 | return FALSE; |
252b5132 RH |
338 | } |
339 | ||
c4bb8067 | 340 | /* For DT_NEEDED, they have to match. */ |
f13a99db | 341 | if (abfd->xvec != link_info.output_bfd->xvec) |
c4bb8067 L |
342 | { |
343 | bfd_close (abfd); | |
b34976b6 | 344 | return FALSE; |
c4bb8067 L |
345 | } |
346 | ||
252b5132 RH |
347 | /* Check whether this object would include any conflicting library |
348 | versions. If FORCE is set, then we skip this check; we use this | |
349 | the second time around, if we couldn't find any compatible | |
350 | instance of the shared library. */ | |
351 | ||
352 | if (! force) | |
353 | { | |
91d6fa6a | 354 | struct bfd_link_needed_list *needs; |
252b5132 | 355 | |
91d6fa6a | 356 | if (! bfd_elf_get_bfd_needed_list (abfd, &needs)) |
252b5132 RH |
357 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); |
358 | ||
91d6fa6a | 359 | if (needs != NULL) |
252b5132 | 360 | { |
91d6fa6a | 361 | global_vercheck_needed = needs; |
b34976b6 | 362 | global_vercheck_failed = FALSE; |
252b5132 RH |
363 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
364 | if (global_vercheck_failed) | |
365 | { | |
cde43e70 | 366 | bfd_close (abfd); |
b34976b6 | 367 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 368 | another file on the search path. */ |
b34976b6 | 369 | return FALSE; |
252b5132 RH |
370 | } |
371 | ||
372 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
373 | library does not use libc at all, we are supposed to skip |
374 | it the first time around in case we encounter a shared | |
375 | library later on with the same name which does use the | |
376 | version of libc that we want. This is much too horrible | |
377 | to use on any system other than Linux. */ | |
252b5132 RH |
378 | |
379 | EOF | |
380 | case ${target} in | |
a5244b7e | 381 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 382 | fragment <<EOF |
252b5132 RH |
383 | { |
384 | struct bfd_link_needed_list *l; | |
385 | ||
91d6fa6a | 386 | for (l = needs; l != NULL; l = l->next) |
0112cd26 | 387 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
388 | break; |
389 | if (l == NULL) | |
390 | { | |
cde43e70 | 391 | bfd_close (abfd); |
b34976b6 | 392 | return FALSE; |
252b5132 RH |
393 | } |
394 | } | |
395 | ||
396 | EOF | |
397 | ;; | |
398 | esac | |
92b93329 | 399 | fragment <<EOF |
252b5132 RH |
400 | } |
401 | } | |
402 | ||
403 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
404 | ||
04925e1e AM |
405 | /* We have already checked that there is no other input file of the |
406 | same name. We must now check again that we are not including the | |
407 | same file twice. We need to do this because on many systems | |
408 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
409 | reference libc.so.1. If we have already included libc.so, we | |
410 | don't want to include libc.so.1 if they are the same file, and we | |
411 | can only check that using stat. */ | |
412 | ||
413 | if (bfd_stat (abfd, &global_stat) != 0) | |
414 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
415 | |
416 | /* First strip off everything before the last '/'. */ | |
fed2999d | 417 | soname = lbasename (abfd->filename); |
ec4eb78a | 418 | |
cd6f1cf3 | 419 | if (verbose) |
ec4eb78a L |
420 | info_msg (_("found %s at %s\n"), soname, name); |
421 | ||
e13629bc | 422 | global_found = NULL; |
04925e1e | 423 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 424 | if (global_found != NULL) |
04925e1e | 425 | { |
b34976b6 | 426 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 427 | we aren't going to do anything with it. */ |
b34976b6 | 428 | return TRUE; |
04925e1e AM |
429 | } |
430 | ||
4a43e768 AM |
431 | /* Specify the soname to use. */ |
432 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 433 | |
4a43e768 AM |
434 | /* Tell the ELF linker that we don't want the output file to have a |
435 | DT_NEEDED entry for this file, unless it is used to resolve | |
436 | references in a regular object. */ | |
96d56e9f | 437 | link_class = DYN_DT_NEEDED; |
e56f61be L |
438 | |
439 | /* Tell the ELF linker that we don't want the output file to have a | |
440 | DT_NEEDED entry for this file at all if the entry is from a file | |
441 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
442 | if (needed->by != NULL |
443 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
96d56e9f | 444 | link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
e56f61be | 445 | |
1e9cc1c2 | 446 | bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class); |
04925e1e AM |
447 | |
448 | /* Add this file into the symbol table. */ | |
449 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
8ff4c1f3 | 450 | einfo ("%F%B: error adding symbols: %E\n", abfd); |
04925e1e | 451 | |
b34976b6 | 452 | return TRUE; |
04925e1e AM |
453 | } |
454 | ||
455 | ||
456 | /* Search for a needed file in a path. */ | |
457 | ||
b34976b6 | 458 | static bfd_boolean |
e56f61be L |
459 | gld${EMULATION_NAME}_search_needed (const char *path, |
460 | struct dt_needed *n, int force) | |
04925e1e AM |
461 | { |
462 | const char *s; | |
e56f61be | 463 | const char *name = n->name; |
04925e1e | 464 | size_t len; |
e56f61be | 465 | struct dt_needed needed; |
04925e1e | 466 | |
cc5ce052 | 467 | if (name[0] == '/') |
e56f61be | 468 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 469 | |
04925e1e | 470 | if (path == NULL || *path == '\0') |
b34976b6 | 471 | return FALSE; |
e56f61be L |
472 | |
473 | needed.by = n->by; | |
474 | needed.name = n->name; | |
475 | ||
04925e1e AM |
476 | len = strlen (name); |
477 | while (1) | |
478 | { | |
479 | char *filename, *sset; | |
480 | ||
c76308d2 | 481 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
482 | if (s == NULL) |
483 | s = path + strlen (path); | |
484 | ||
07f1e47a AM |
485 | #if HAVE_DOS_BASED_FILE_SYSTEM |
486 | /* Assume a match on the second char is part of drive specifier. */ | |
487 | else if (config.rpath_separator == ':' | |
488 | && s == path + 1 | |
489 | && ISALPHA (*path)) | |
490 | { | |
491 | s = strchr (s + 1, config.rpath_separator); | |
492 | if (s == NULL) | |
493 | s = path + strlen (path); | |
494 | } | |
495 | #endif | |
04925e1e AM |
496 | filename = (char *) xmalloc (s - path + len + 2); |
497 | if (s == path) | |
498 | sset = filename; | |
499 | else | |
500 | { | |
501 | memcpy (filename, path, s - path); | |
502 | filename[s - path] = '/'; | |
503 | sset = filename + (s - path) + 1; | |
504 | } | |
505 | strcpy (sset, name); | |
506 | ||
e56f61be L |
507 | needed.name = filename; |
508 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 509 | return TRUE; |
04925e1e AM |
510 | |
511 | free (filename); | |
512 | ||
513 | if (*s == '\0') | |
514 | break; | |
515 | path = s + 1; | |
516 | } | |
517 | ||
b34976b6 | 518 | return FALSE; |
04925e1e AM |
519 | } |
520 | ||
521 | EOF | |
9c8ebd6a | 522 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 523 | fragment <<EOF |
9c8ebd6a | 524 | |
c76308d2 RS |
525 | /* Add the sysroot to every entry in a path separated by |
526 | config.rpath_separator. */ | |
9c8ebd6a DJ |
527 | |
528 | static char * | |
0c7a8e5a | 529 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
530 | { |
531 | int len, colons, i; | |
532 | char *ret, *p; | |
533 | ||
534 | len = strlen (path); | |
535 | colons = 0; | |
536 | i = 0; | |
537 | while (path[i]) | |
c76308d2 | 538 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
539 | colons++; |
540 | ||
541 | if (path[i]) | |
542 | colons++; | |
543 | ||
42644a89 | 544 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
545 | ret = xmalloc (len + 1); |
546 | strcpy (ret, ld_sysroot); | |
547 | p = ret + strlen (ret); | |
548 | i = 0; | |
549 | while (path[i]) | |
c76308d2 | 550 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 551 | { |
0c7a8e5a | 552 | *p++ = path[i++]; |
9c8ebd6a DJ |
553 | strcpy (p, ld_sysroot); |
554 | p = p + strlen (p); | |
9c8ebd6a DJ |
555 | } |
556 | else | |
557 | *p++ = path[i++]; | |
558 | ||
559 | *p = 0; | |
560 | return ret; | |
561 | } | |
04925e1e | 562 | |
3dc16cab DJ |
563 | EOF |
564 | case ${target} in | |
ebe1fac1 | 565 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 566 | fragment <<EOF |
ebe1fac1 NC |
567 | /* Read the system search path the FreeBSD way rather than the Linux way. */ |
568 | #ifdef HAVE_ELF_HINTS_H | |
569 | #include <elf-hints.h> | |
570 | #else | |
571 | #include "elf-hints-local.h" | |
572 | #endif | |
573 | ||
574 | static bfd_boolean | |
d5c8b1f8 AM |
575 | gld${EMULATION_NAME}_check_ld_elf_hints (const struct bfd_link_needed_list *l, |
576 | int force) | |
ebe1fac1 NC |
577 | { |
578 | static bfd_boolean initialized; | |
579 | static char *ld_elf_hints; | |
580 | struct dt_needed needed; | |
581 | ||
582 | if (!initialized) | |
583 | { | |
584 | FILE *f; | |
585 | char *tmppath; | |
586 | ||
ff7a0acf | 587 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL); |
ebe1fac1 NC |
588 | f = fopen (tmppath, FOPEN_RB); |
589 | free (tmppath); | |
590 | if (f != NULL) | |
591 | { | |
592 | struct elfhints_hdr hdr; | |
593 | ||
594 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
595 | && hdr.magic == ELFHINTS_MAGIC | |
596 | && hdr.version == 1) | |
597 | { | |
598 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
599 | { | |
600 | char *b; | |
601 | ||
602 | b = xmalloc (hdr.dirlistlen + 1); | |
603 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
604 | hdr.dirlistlen + 1) | |
605 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 606 | |
ebe1fac1 NC |
607 | free (b); |
608 | } | |
609 | } | |
610 | fclose (f); | |
611 | } | |
612 | ||
613 | initialized = TRUE; | |
614 | } | |
615 | ||
616 | if (ld_elf_hints == NULL) | |
617 | return FALSE; | |
618 | ||
d5c8b1f8 AM |
619 | needed.by = l->by; |
620 | needed.name = l->name; | |
621 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, &needed, force); | |
ebe1fac1 NC |
622 | } |
623 | EOF | |
624 | # FreeBSD | |
625 | ;; | |
626 | ||
a5244b7e | 627 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 628 | fragment <<EOF |
04925e1e AM |
629 | /* For a native linker, check the file /etc/ld.so.conf for directories |
630 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 631 | only meaningful on Linux. */ |
04925e1e | 632 | |
d3989512 | 633 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 634 | { |
d3989512 JJ |
635 | char *path; |
636 | size_t len, alloc; | |
637 | }; | |
04925e1e | 638 | |
dfcffada | 639 | static bfd_boolean |
d3989512 JJ |
640 | gld${EMULATION_NAME}_parse_ld_so_conf |
641 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
642 | ||
643 | static void | |
644 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
645 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
646 | const char *pattern) | |
647 | { | |
648 | char *newp = NULL; | |
0b48acfe | 649 | #ifdef HAVE_GLOB |
d3989512 | 650 | glob_t gl; |
0b48acfe | 651 | #endif |
d3989512 JJ |
652 | |
653 | if (pattern[0] != '/') | |
04925e1e | 654 | { |
d3989512 JJ |
655 | char *p = strrchr (filename, '/'); |
656 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 657 | |
d3989512 JJ |
658 | newp = xmalloc (p - filename + 1 + patlen); |
659 | memcpy (newp, filename, p - filename + 1); | |
660 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
661 | pattern = newp; | |
662 | } | |
04925e1e | 663 | |
0b48acfe | 664 | #ifdef HAVE_GLOB |
d3989512 JJ |
665 | if (glob (pattern, 0, NULL, &gl) == 0) |
666 | { | |
667 | size_t i; | |
668 | ||
669 | for (i = 0; i < gl.gl_pathc; ++i) | |
670 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
671 | globfree (&gl); | |
672 | } | |
0b48acfe MM |
673 | #else |
674 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
675 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
676 | #endif | |
d3989512 JJ |
677 | |
678 | if (newp) | |
679 | free (newp); | |
680 | } | |
681 | ||
dfcffada | 682 | static bfd_boolean |
d3989512 JJ |
683 | gld${EMULATION_NAME}_parse_ld_so_conf |
684 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
685 | { | |
686 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
687 | char *line; |
688 | size_t linelen; | |
d3989512 JJ |
689 | |
690 | if (f == NULL) | |
dfcffada | 691 | return FALSE; |
d3989512 | 692 | |
563f4125 JJ |
693 | linelen = 256; |
694 | line = xmalloc (linelen); | |
695 | do | |
d3989512 | 696 | { |
563f4125 JJ |
697 | char *p = line, *q; |
698 | ||
699 | /* Normally this would use getline(3), but we need to be portable. */ | |
700 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
701 | && strlen (q) == linelen - (p - line) - 1 | |
702 | && line[linelen - 2] != '\n') | |
703 | { | |
704 | line = xrealloc (line, 2 * linelen); | |
705 | p = line + linelen - 1; | |
706 | linelen += linelen; | |
707 | } | |
708 | ||
709 | if (q == NULL && p == line) | |
710 | break; | |
d3989512 JJ |
711 | |
712 | p = strchr (line, '\n'); | |
713 | if (p) | |
714 | *p = '\0'; | |
715 | ||
716 | /* Because the file format does not know any form of quoting we | |
717 | can search forward for the next '#' character and if found | |
718 | make it terminating the line. */ | |
719 | p = strchr (line, '#'); | |
720 | if (p) | |
721 | *p = '\0'; | |
722 | ||
723 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
724 | p = line; | |
725 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
726 | ++p; | |
727 | ||
728 | /* If the line is blank it is ignored. */ | |
729 | if (p[0] == '\0') | |
730 | continue; | |
04925e1e | 731 | |
0112cd26 | 732 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
733 | { |
734 | char *dir, c; | |
735 | p += 8; | |
736 | do | |
04925e1e | 737 | { |
d3989512 JJ |
738 | while (*p == ' ' || *p == '\t') |
739 | ++p; | |
04925e1e | 740 | |
d3989512 JJ |
741 | if (*p == '\0') |
742 | break; | |
252b5132 | 743 | |
d3989512 JJ |
744 | dir = p; |
745 | ||
746 | while (*p != ' ' && *p != '\t' && *p) | |
747 | ++p; | |
748 | ||
749 | c = *p; | |
750 | *p++ = '\0'; | |
751 | if (dir[0] != '\0') | |
752 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
753 | dir); | |
754 | } | |
755 | while (c != '\0'); | |
756 | } | |
757 | else | |
758 | { | |
759 | char *dir = p; | |
760 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
761 | && *p != '\r' && *p != '\v') | |
762 | ++p; | |
763 | ||
764 | while (p != dir && p[-1] == '/') | |
765 | --p; | |
766 | if (info->path == NULL) | |
767 | { | |
768 | info->alloc = p - dir + 1 + 256; | |
769 | info->path = xmalloc (info->alloc); | |
770 | info->len = 0; | |
771 | } | |
04925e1e AM |
772 | else |
773 | { | |
d3989512 JJ |
774 | if (info->len + 1 + (p - dir) >= info->alloc) |
775 | { | |
776 | info->alloc += p - dir + 256; | |
777 | info->path = xrealloc (info->path, info->alloc); | |
778 | } | |
c76308d2 | 779 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 780 | } |
d3989512 JJ |
781 | memcpy (info->path + info->len, dir, p - dir); |
782 | info->len += p - dir; | |
783 | info->path[info->len] = '\0'; | |
784 | } | |
785 | } | |
563f4125 | 786 | while (! feof (f)); |
d3989512 JJ |
787 | free (line); |
788 | fclose (f); | |
dfcffada | 789 | return TRUE; |
d3989512 | 790 | } |
252b5132 | 791 | |
d3989512 | 792 | static bfd_boolean |
d5c8b1f8 AM |
793 | gld${EMULATION_NAME}_check_ld_so_conf (const struct bfd_link_needed_list *l, |
794 | int force) | |
d3989512 JJ |
795 | { |
796 | static bfd_boolean initialized; | |
797 | static char *ld_so_conf; | |
798 | struct dt_needed needed; | |
252b5132 | 799 | |
d3989512 JJ |
800 | if (! initialized) |
801 | { | |
802 | char *tmppath; | |
803 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 804 | |
d3989512 JJ |
805 | info.path = NULL; |
806 | info.len = info.alloc = 0; | |
ff7a0acf AM |
807 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", |
808 | (const char *) NULL); | |
dfcffada AM |
809 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) |
810 | { | |
811 | free (tmppath); | |
ff7a0acf AM |
812 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", |
813 | (const char *) NULL); | |
dfcffada AM |
814 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); |
815 | } | |
d3989512 | 816 | free (tmppath); |
dfcffada | 817 | |
d3989512 JJ |
818 | if (info.path) |
819 | { | |
820 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
821 | free (info.path); | |
822 | ld_so_conf = d; | |
04925e1e | 823 | } |
b34976b6 | 824 | initialized = TRUE; |
04925e1e | 825 | } |
49e56c49 | 826 | |
04925e1e | 827 | if (ld_so_conf == NULL) |
b34976b6 | 828 | return FALSE; |
252b5132 | 829 | |
e56f61be | 830 | |
d5c8b1f8 AM |
831 | needed.by = l->by; |
832 | needed.name = l->name; | |
e56f61be | 833 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); |
252b5132 RH |
834 | } |
835 | ||
04925e1e | 836 | EOF |
9c8ebd6a DJ |
837 | # Linux |
838 | ;; | |
04925e1e AM |
839 | esac |
840 | fi | |
92b93329 | 841 | fragment <<EOF |
04925e1e | 842 | |
252b5132 RH |
843 | /* See if an input file matches a DT_NEEDED entry by name. */ |
844 | ||
845 | static void | |
0c7a8e5a | 846 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 847 | { |
e13629bc AM |
848 | const char *soname; |
849 | ||
850 | /* Stop looking if we've found a loaded lib. */ | |
851 | if (global_found != NULL | |
852 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
853 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
854 | return; |
855 | ||
e13629bc AM |
856 | if (s->filename == NULL || s->the_bfd == NULL) |
857 | return; | |
858 | ||
859 | /* Don't look for a second non-loaded as-needed lib. */ | |
860 | if (global_found != NULL | |
861 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
862 | return; |
863 | ||
42627821 | 864 | if (filename_cmp (s->filename, global_needed->name) == 0) |
252b5132 | 865 | { |
e13629bc AM |
866 | global_found = s; |
867 | return; | |
868 | } | |
577a0623 | 869 | |
66be1055 | 870 | if (s->flags.search_dirs) |
e13629bc AM |
871 | { |
872 | const char *f = strrchr (s->filename, '/'); | |
873 | if (f != NULL | |
42627821 | 874 | && filename_cmp (f + 1, global_needed->name) == 0) |
577a0623 | 875 | { |
e13629bc | 876 | global_found = s; |
577a0623 AM |
877 | return; |
878 | } | |
252b5132 RH |
879 | } |
880 | ||
e13629bc AM |
881 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
882 | if (soname != NULL | |
42627821 | 883 | && filename_cmp (soname, global_needed->name) == 0) |
252b5132 | 884 | { |
e13629bc AM |
885 | global_found = s; |
886 | return; | |
252b5132 | 887 | } |
252b5132 RH |
888 | } |
889 | ||
41392f03 AM |
890 | EOF |
891 | ||
892 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
92b93329 | 893 | fragment <<EOF |
04925e1e | 894 | |
24382dca | 895 | static bfd_size_type |
677e5a92 | 896 | id_note_section_size (bfd *abfd ATTRIBUTE_UNUSED) |
24382dca | 897 | { |
30e8ee25 | 898 | const char *style = emit_note_gnu_build_id; |
24382dca RM |
899 | bfd_size_type size; |
900 | ||
24382dca RM |
901 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
902 | size = (size + 3) & -(bfd_size_type) 4; | |
903 | ||
904 | if (!strcmp (style, "md5") || !strcmp (style, "uuid")) | |
905 | size += 128 / 8; | |
906 | else if (!strcmp (style, "sha1")) | |
907 | size += 160 / 8; | |
908 | else if (!strncmp (style, "0x", 2)) | |
909 | { | |
910 | /* ID is in string form (hex). Convert to bits. */ | |
911 | const char *id = style + 2; | |
912 | do | |
913 | { | |
914 | if (ISXDIGIT (id[0]) && ISXDIGIT (id[1])) | |
915 | { | |
916 | ++size; | |
917 | id += 2; | |
918 | } | |
919 | else if (*id == '-' || *id == ':') | |
920 | ++id; | |
921 | else | |
922 | { | |
923 | size = 0; | |
924 | break; | |
925 | } | |
926 | } while (*id != '\0'); | |
927 | } | |
928 | else | |
929 | size = 0; | |
930 | ||
931 | return size; | |
932 | } | |
933 | ||
934 | static unsigned char | |
935 | read_hex (const char xdigit) | |
936 | { | |
937 | if (ISDIGIT (xdigit)) | |
938 | return xdigit - '0'; | |
939 | if (ISUPPER (xdigit)) | |
940 | return xdigit - 'A' + 0xa; | |
941 | if (ISLOWER (xdigit)) | |
942 | return xdigit - 'a' + 0xa; | |
943 | abort (); | |
944 | return 0; | |
945 | } | |
946 | ||
24382dca | 947 | static bfd_boolean |
30e8ee25 | 948 | write_build_id (bfd *abfd) |
24382dca RM |
949 | { |
950 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
30e8ee25 AM |
951 | struct elf_obj_tdata *t = elf_tdata (abfd); |
952 | const char *style; | |
24382dca RM |
953 | asection *asec; |
954 | Elf_Internal_Shdr *i_shdr; | |
955 | unsigned char *contents, *id_bits; | |
956 | bfd_size_type size; | |
30e8ee25 | 957 | file_ptr position; |
24382dca | 958 | Elf_External_Note *e_note; |
30e8ee25 | 959 | typedef void (*sum_fn) (const void *, size_t, void *); |
24382dca | 960 | |
c0355132 AM |
961 | style = t->o->build_id.style; |
962 | asec = t->o->build_id.sec; | |
83e4970b | 963 | if (bfd_is_abs_section (asec->output_section)) |
24382dca | 964 | { |
83e4970b AM |
965 | einfo (_("%P: warning: .note.gnu.build-id section discarded," |
966 | " --build-id ignored.\n")); | |
967 | return TRUE; | |
24382dca RM |
968 | } |
969 | i_shdr = &elf_section_data (asec->output_section)->this_hdr; | |
970 | ||
971 | if (i_shdr->contents == NULL) | |
972 | { | |
b2ff8454 | 973 | if (asec->contents == NULL) |
1e9cc1c2 | 974 | asec->contents = (unsigned char *) xmalloc (asec->size); |
b2ff8454 | 975 | contents = asec->contents; |
24382dca | 976 | } |
b2ff8454 RM |
977 | else |
978 | contents = i_shdr->contents + asec->output_offset; | |
24382dca | 979 | |
1e9cc1c2 | 980 | e_note = (Elf_External_Note *) contents; |
24382dca RM |
981 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
982 | size = (size + 3) & -(bfd_size_type) 4; | |
983 | id_bits = contents + size; | |
984 | size = asec->size - size; | |
985 | ||
986 | bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz); | |
987 | bfd_h_put_32 (abfd, size, &e_note->descsz); | |
988 | bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type); | |
989 | memcpy (e_note->name, "GNU", sizeof "GNU"); | |
990 | ||
30e8ee25 | 991 | if (strcmp (style, "md5") == 0) |
24382dca RM |
992 | { |
993 | struct md5_ctx ctx; | |
30e8ee25 | 994 | |
24382dca | 995 | md5_init_ctx (&ctx); |
30e8ee25 | 996 | if (!bed->s->checksum_contents (abfd, (sum_fn) &md5_process_bytes, &ctx)) |
24382dca | 997 | return FALSE; |
30e8ee25 | 998 | md5_finish_ctx (&ctx, id_bits); |
24382dca | 999 | } |
30e8ee25 | 1000 | else if (strcmp (style, "sha1") == 0) |
24382dca RM |
1001 | { |
1002 | struct sha1_ctx ctx; | |
30e8ee25 | 1003 | |
24382dca | 1004 | sha1_init_ctx (&ctx); |
30e8ee25 | 1005 | if (!bed->s->checksum_contents (abfd, (sum_fn) &sha1_process_bytes, &ctx)) |
24382dca | 1006 | return FALSE; |
30e8ee25 | 1007 | sha1_finish_ctx (&ctx, id_bits); |
24382dca | 1008 | } |
30e8ee25 | 1009 | else if (strcmp (style, "uuid") == 0) |
24382dca RM |
1010 | { |
1011 | int n; | |
1012 | int fd = open ("/dev/urandom", O_RDONLY); | |
1013 | if (fd < 0) | |
1014 | return FALSE; | |
1015 | n = read (fd, id_bits, size); | |
1016 | close (fd); | |
1017 | if (n < (int) size) | |
1018 | return FALSE; | |
1019 | } | |
30e8ee25 | 1020 | else if (strncmp (style, "0x", 2) == 0) |
24382dca RM |
1021 | { |
1022 | /* ID is in string form (hex). Convert to bits. */ | |
30e8ee25 | 1023 | const char *id = style + 2; |
24382dca RM |
1024 | size_t n = 0; |
1025 | do | |
1026 | { | |
1027 | if (ISXDIGIT (id[0]) && ISXDIGIT (id[1])) | |
1028 | { | |
1029 | id_bits[n] = read_hex (*id++) << 4; | |
1030 | id_bits[n++] |= read_hex (*id++); | |
1031 | } | |
1032 | else if (*id == '-' || *id == ':') | |
1033 | ++id; | |
1034 | else | |
1035 | abort (); /* Should have been validated earlier. */ | |
1036 | } while (*id != '\0'); | |
1037 | } | |
1038 | else | |
1039 | abort (); /* Should have been validated earlier. */ | |
1040 | ||
30e8ee25 | 1041 | position = i_shdr->sh_offset + asec->output_offset; |
b2ff8454 | 1042 | size = asec->size; |
30e8ee25 | 1043 | return (bfd_seek (abfd, position, SEEK_SET) == 0 |
b2ff8454 | 1044 | && bfd_bwrite (contents, size, abfd) == size); |
24382dca RM |
1045 | } |
1046 | ||
30e8ee25 AM |
1047 | /* Make .note.gnu.build-id section, and set up elf_tdata->build_id. */ |
1048 | ||
1049 | static bfd_boolean | |
1050 | setup_build_id (bfd *ibfd) | |
1051 | { | |
1052 | asection *s; | |
1053 | bfd_size_type size; | |
1054 | flagword flags; | |
1055 | ||
1056 | size = id_note_section_size (ibfd); | |
1057 | if (size == 0) | |
1058 | { | |
1059 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); | |
1060 | return FALSE; | |
1061 | } | |
1062 | ||
1063 | flags = (SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY | |
1064 | | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA); | |
1065 | s = bfd_make_section_with_flags (ibfd, ".note.gnu.build-id", flags); | |
1066 | if (s != NULL && bfd_set_section_alignment (ibfd, s, 2)) | |
1067 | { | |
1068 | struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd); | |
c0355132 AM |
1069 | t->o->build_id.after_write_object_contents = &write_build_id; |
1070 | t->o->build_id.style = emit_note_gnu_build_id; | |
1071 | t->o->build_id.sec = s; | |
1072 | elf_section_type (s) = SHT_NOTE; | |
1073 | s->size = size; | |
1074 | return TRUE; | |
30e8ee25 AM |
1075 | } |
1076 | ||
1077 | einfo ("%P: warning: Cannot create .note.gnu.build-id section," | |
1078 | " --build-id ignored.\n"); | |
1079 | return FALSE; | |
1080 | } | |
24382dca | 1081 | |
04925e1e | 1082 | /* This is called after all the input files have been opened. */ |
252b5132 RH |
1083 | |
1084 | static void | |
0c7a8e5a | 1085 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 1086 | { |
04925e1e | 1087 | struct bfd_link_needed_list *needed, *l; |
d10e7fcc AM |
1088 | struct elf_link_hash_table *htab; |
1089 | ||
5c3049d2 AM |
1090 | after_open_default (); |
1091 | ||
d10e7fcc AM |
1092 | htab = elf_hash_table (&link_info); |
1093 | if (!is_elf_hash_table (htab)) | |
1094 | return; | |
252b5132 | 1095 | |
30e8ee25 | 1096 | if (emit_note_gnu_build_id != NULL) |
c0065db7 RM |
1097 | { |
1098 | bfd *abfd; | |
c0065db7 | 1099 | |
a654efd6 L |
1100 | /* Find an ELF input. */ |
1101 | for (abfd = link_info.input_bfds; | |
1102 | abfd != (bfd *) NULL; abfd = abfd->link_next) | |
1103 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) | |
1104 | break; | |
c0065db7 | 1105 | |
30e8ee25 AM |
1106 | /* PR 10555: If there are no ELF input files do not try to |
1107 | create a .note.gnu-build-id section. */ | |
1108 | if (abfd == NULL | |
1109 | || !setup_build_id (abfd)) | |
c0065db7 | 1110 | { |
30e8ee25 AM |
1111 | free ((char *) emit_note_gnu_build_id); |
1112 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
1113 | } |
1114 | } | |
1115 | ||
d10e7fcc AM |
1116 | if (link_info.relocatable) |
1117 | return; | |
1118 | ||
eb3d5f3b | 1119 | if (link_info.eh_frame_hdr |
d10e7fcc | 1120 | && !link_info.traditional_format) |
eb3d5f3b | 1121 | { |
a654efd6 L |
1122 | bfd *abfd, *elfbfd = NULL; |
1123 | bfd_boolean warn_eh_frame = FALSE; | |
d10e7fcc | 1124 | asection *s; |
eb3d5f3b | 1125 | |
d10e7fcc | 1126 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) |
eb3d5f3b | 1127 | { |
a654efd6 L |
1128 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1129 | elfbfd = abfd; | |
4440bb77 L |
1130 | if (!warn_eh_frame) |
1131 | { | |
1132 | s = bfd_get_section_by_name (abfd, ".eh_frame"); | |
9cf8b46e AM |
1133 | while (s != NULL |
1134 | && (s->size <= 8 | |
1135 | || bfd_is_abs_section (s->output_section))) | |
1136 | s = bfd_get_next_section_by_name (s); | |
1137 | warn_eh_frame = s != NULL; | |
4440bb77 L |
1138 | } |
1139 | if (elfbfd && warn_eh_frame) | |
1140 | break; | |
d10e7fcc | 1141 | } |
a654efd6 | 1142 | if (elfbfd) |
d10e7fcc AM |
1143 | { |
1144 | const struct elf_backend_data *bed; | |
1145 | ||
a654efd6 L |
1146 | bed = get_elf_backend_data (elfbfd); |
1147 | s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr", | |
1148 | bed->dynamic_sec_flags | |
1149 | | SEC_READONLY); | |
d10e7fcc | 1150 | if (s != NULL |
a654efd6 L |
1151 | && bfd_set_section_alignment (elfbfd, s, 2)) |
1152 | { | |
1153 | htab->eh_info.hdr_sec = s; | |
1154 | warn_eh_frame = FALSE; | |
1155 | } | |
eb3d5f3b | 1156 | } |
a654efd6 L |
1157 | if (warn_eh_frame) |
1158 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
1159 | " --eh-frame-hdr ignored.\n"); | |
eb3d5f3b JB |
1160 | } |
1161 | ||
04925e1e AM |
1162 | /* Get the list of files which appear in DT_NEEDED entries in |
1163 | dynamic objects included in the link (often there will be none). | |
1164 | For each such file, we want to track down the corresponding | |
1165 | library, and include the symbol table in the link. This is what | |
1166 | the runtime dynamic linker will do. Tracking the files down here | |
1167 | permits one dynamic object to include another without requiring | |
1168 | special action by the person doing the link. Note that the | |
1169 | needed list can actually grow while we are stepping through this | |
1170 | loop. */ | |
f13a99db | 1171 | needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info); |
04925e1e | 1172 | for (l = needed; l != NULL; l = l->next) |
252b5132 | 1173 | { |
04925e1e | 1174 | struct bfd_link_needed_list *ll; |
e56f61be | 1175 | struct dt_needed n, nn; |
04925e1e | 1176 | int force; |
252b5132 | 1177 | |
7e9f0867 | 1178 | /* If the lib that needs this one was --as-needed and wasn't |
4706eab9 | 1179 | found to be needed, then this lib isn't needed either. */ |
7e9f0867 | 1180 | if (l->by != NULL |
4706eab9 AM |
1181 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) |
1182 | continue; | |
1183 | ||
1184 | /* Skip the lib if --no-copy-dt-needed-entries and | |
1185 | --allow-shlib-undefined is in effect. */ | |
1186 | if (l->by != NULL | |
1187 | && link_info.unresolved_syms_in_shared_libs == RM_IGNORE | |
1188 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_NO_ADD_NEEDED) != 0) | |
7e9f0867 AM |
1189 | continue; |
1190 | ||
04925e1e AM |
1191 | /* If we've already seen this file, skip it. */ |
1192 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
1193 | if ((ll->by == NULL |
1194 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
1195 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
1196 | break; |
1197 | if (ll != l) | |
1198 | continue; | |
252b5132 | 1199 | |
04925e1e AM |
1200 | /* See if this file was included in the link explicitly. */ |
1201 | global_needed = l; | |
e13629bc | 1202 | global_found = NULL; |
04925e1e | 1203 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
1204 | if (global_found != NULL |
1205 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1206 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 1207 | continue; |
252b5132 | 1208 | |
e56f61be L |
1209 | n.by = l->by; |
1210 | n.name = l->name; | |
1211 | nn.by = l->by; | |
cd6f1cf3 | 1212 | if (verbose) |
ec4eb78a L |
1213 | info_msg (_("%s needed by %B\n"), l->name, l->by); |
1214 | ||
e13629bc AM |
1215 | /* As-needed libs specified on the command line (or linker script) |
1216 | take priority over libs found in search dirs. */ | |
1217 | if (global_found != NULL) | |
1218 | { | |
1219 | nn.name = global_found->filename; | |
1220 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
1221 | continue; | |
1222 | } | |
1223 | ||
04925e1e AM |
1224 | /* We need to find this file and include the symbol table. We |
1225 | want to search for the file in the same way that the dynamic | |
1226 | linker will search. That means that we want to use | |
1227 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
1228 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
1229 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
1230 | We do not search using the -L arguments. | |
252b5132 | 1231 | |
04925e1e AM |
1232 | We search twice. The first time, we skip objects which may |
1233 | introduce version mismatches. The second time, we force | |
1234 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
1235 | for (force = 0; force < 2; force++) | |
1236 | { | |
04925e1e AM |
1237 | size_t len; |
1238 | search_dirs_type *search; | |
6dd8c765 | 1239 | EOF |
ff925e69 | 1240 | if [ "x${NATIVE}" = xyes ] ; then |
92b93329 | 1241 | fragment <<EOF |
dcb0bd0e | 1242 | const char *lib_path; |
ff925e69 KK |
1243 | EOF |
1244 | fi | |
1245 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1246 | fragment <<EOF |
6dd8c765 L |
1247 | struct bfd_link_needed_list *rp; |
1248 | int found; | |
1249 | EOF | |
6dd8c765 | 1250 | fi |
92b93329 | 1251 | fragment <<EOF |
252b5132 | 1252 | |
04925e1e | 1253 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 1254 | &n, force)) |
04925e1e | 1255 | break; |
dcb0bd0e | 1256 | EOF |
9c8ebd6a | 1257 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1258 | fragment <<EOF |
04925e1e | 1259 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 1260 | &n, force)) |
04925e1e | 1261 | break; |
9c8ebd6a DJ |
1262 | EOF |
1263 | fi | |
1264 | if [ "x${NATIVE}" = xyes ] ; then | |
92b93329 | 1265 | fragment <<EOF |
04925e1e AM |
1266 | if (command_line.rpath_link == NULL |
1267 | && command_line.rpath == NULL) | |
1268 | { | |
1269 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1270 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1271 | force)) |
1272 | break; | |
1273 | } | |
04925e1e | 1274 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1275 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1276 | break; |
9c8ebd6a DJ |
1277 | EOF |
1278 | fi | |
1279 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1280 | fragment <<EOF |
ec4eb78a | 1281 | found = 0; |
f13a99db | 1282 | rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info); |
6dd8c765 | 1283 | for (; !found && rp != NULL; rp = rp->next) |
ec4eb78a | 1284 | { |
9c8ebd6a | 1285 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1286 | found = (rp->by == l->by |
9c8ebd6a | 1287 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1288 | &n, |
ec4eb78a | 1289 | force)); |
9c8ebd6a | 1290 | free (tmpname); |
ec4eb78a L |
1291 | } |
1292 | if (found) | |
1293 | break; | |
1294 | ||
04925e1e | 1295 | EOF |
04925e1e | 1296 | fi |
c1446dba L |
1297 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1298 | case ${target} in | |
ebe1fac1 | 1299 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 1300 | fragment <<EOF |
d5c8b1f8 | 1301 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l, force)) |
ebe1fac1 NC |
1302 | break; |
1303 | EOF | |
1304 | # FreeBSD | |
1305 | ;; | |
1306 | ||
a5244b7e | 1307 | *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*) |
92b93329 | 1308 | fragment <<EOF |
d5c8b1f8 | 1309 | if (gld${EMULATION_NAME}_check_ld_so_conf (l, force)) |
c1446dba L |
1310 | break; |
1311 | ||
1312 | EOF | |
eeaa4577 | 1313 | # Linux |
c1446dba L |
1314 | ;; |
1315 | esac | |
1316 | fi | |
92b93329 | 1317 | fragment <<EOF |
04925e1e AM |
1318 | len = strlen (l->name); |
1319 | for (search = search_head; search != NULL; search = search->next) | |
1320 | { | |
1321 | char *filename; | |
252b5132 | 1322 | |
04925e1e AM |
1323 | if (search->cmdline) |
1324 | continue; | |
1325 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1326 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1327 | nn.name = filename; |
1328 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1329 | break; |
1330 | free (filename); | |
1331 | } | |
1332 | if (search != NULL) | |
1333 | break; | |
1334 | EOF | |
92b93329 | 1335 | fragment <<EOF |
04925e1e | 1336 | } |
252b5132 | 1337 | |
04925e1e AM |
1338 | if (force < 2) |
1339 | continue; | |
252b5132 | 1340 | |
e374f1d9 | 1341 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1342 | l->name, l->by); |
1343 | } | |
1344 | } | |
252b5132 | 1345 | |
41392f03 AM |
1346 | EOF |
1347 | fi | |
1348 | ||
92b93329 | 1349 | fragment <<EOF |
252b5132 | 1350 | |
04925e1e | 1351 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1352 | |
04925e1e | 1353 | static void |
0c7a8e5a | 1354 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1355 | { |
4ea42fb7 | 1356 | bfd_boolean provide = FALSE; |
04925e1e AM |
1357 | |
1358 | switch (exp->type.node_class) | |
252b5132 | 1359 | { |
04925e1e | 1360 | case etree_provide: |
bded3693 | 1361 | case etree_provided: |
4ea42fb7 AM |
1362 | provide = TRUE; |
1363 | /* Fall thru */ | |
1364 | case etree_assign: | |
04925e1e AM |
1365 | /* We call record_link_assignment even if the symbol is defined. |
1366 | This is because if it is defined by a dynamic object, we | |
1367 | actually want to use the value defined by the linker script, | |
1368 | not the value from the dynamic object (because we are setting | |
1369 | symbols like etext). If the symbol is defined by a regular | |
1370 | object, then, as it happens, calling record_link_assignment | |
1371 | will do no harm. */ | |
04925e1e | 1372 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1373 | { |
f13a99db AM |
1374 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, |
1375 | &link_info, | |
fe21a8fc L |
1376 | exp->assign.dst, provide, |
1377 | exp->assign.hidden)) | |
04925e1e AM |
1378 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1379 | exp->assign.dst); | |
252b5132 | 1380 | } |
04925e1e AM |
1381 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1382 | break; | |
252b5132 | 1383 | |
04925e1e AM |
1384 | case etree_binary: |
1385 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1386 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1387 | break; | |
252b5132 | 1388 | |
04925e1e AM |
1389 | case etree_trinary: |
1390 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1391 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1392 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1393 | break; | |
252b5132 | 1394 | |
04925e1e AM |
1395 | case etree_unary: |
1396 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1397 | break; | |
252b5132 | 1398 | |
04925e1e AM |
1399 | default: |
1400 | break; | |
252b5132 RH |
1401 | } |
1402 | } | |
1403 | ||
04925e1e AM |
1404 | |
1405 | /* This is called by the before_allocation routine via | |
1406 | lang_for_each_statement. It locates any assignment statements, and | |
1407 | tells the ELF backend about them, in case they are assignments to | |
1408 | symbols which are referred to by dynamic objects. */ | |
1409 | ||
1410 | static void | |
0c7a8e5a | 1411 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1412 | { |
1413 | if (s->header.type == lang_assignment_statement_enum) | |
1414 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1415 | } | |
1416 | ||
41392f03 AM |
1417 | EOF |
1418 | ||
1419 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1420 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1421 | ELF_INTERPRETER_SET_DEFAULT=" | |
1422 | if (sinterp != NULL) | |
1423 | { | |
5718918d AM |
1424 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1425 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1426 | } |
1427 | ||
1428 | " | |
1429 | else | |
1430 | ELF_INTERPRETER_SET_DEFAULT= | |
1431 | fi | |
92b93329 | 1432 | fragment <<EOF |
04925e1e | 1433 | |
7ee314fa | 1434 | /* used by before_allocation and handle_option. */ |
4724d37e | 1435 | static void |
91d6fa6a | 1436 | gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg) |
7ee314fa AM |
1437 | { |
1438 | if (*to == NULL) | |
91d6fa6a | 1439 | *to = xstrdup (op_arg); |
7ee314fa AM |
1440 | else |
1441 | { | |
1442 | size_t to_len = strlen (*to); | |
91d6fa6a | 1443 | size_t op_arg_len = strlen (op_arg); |
7ee314fa AM |
1444 | char *buf; |
1445 | char *cp = *to; | |
1446 | ||
1447 | /* First see whether OPTARG is already in the path. */ | |
1448 | do | |
1449 | { | |
91d6fa6a NC |
1450 | if (strncmp (op_arg, cp, op_arg_len) == 0 |
1451 | && (cp[op_arg_len] == 0 | |
1452 | || cp[op_arg_len] == config.rpath_separator)) | |
7ee314fa AM |
1453 | /* We found it. */ |
1454 | break; | |
1455 | ||
1456 | /* Not yet found. */ | |
1457 | cp = strchr (cp, config.rpath_separator); | |
1458 | if (cp != NULL) | |
1459 | ++cp; | |
1460 | } | |
1461 | while (cp != NULL); | |
1462 | ||
1463 | if (cp == NULL) | |
1464 | { | |
91d6fa6a | 1465 | buf = xmalloc (to_len + op_arg_len + 2); |
7ee314fa | 1466 | sprintf (buf, "%s%c%s", *to, |
91d6fa6a | 1467 | config.rpath_separator, op_arg); |
7ee314fa AM |
1468 | free (*to); |
1469 | *to = buf; | |
1470 | } | |
1471 | } | |
1472 | } | |
1473 | ||
252b5132 RH |
1474 | /* This is called after the sections have been attached to output |
1475 | sections, but before any sizes or addresses have been set. */ | |
1476 | ||
1477 | static void | |
0c7a8e5a | 1478 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1479 | { |
1480 | const char *rpath; | |
1481 | asection *sinterp; | |
7ee314fa | 1482 | bfd *abfd; |
252b5132 | 1483 | |
b4d040b1 | 1484 | if (is_elf_hash_table (link_info.hash)) |
a5382c42 MR |
1485 | { |
1486 | _bfd_elf_tls_setup (link_info.output_bfd, &link_info); | |
e1918d23 | 1487 | |
cde7cb01 MR |
1488 | /* Make __ehdr_start hidden if it has been referenced, to |
1489 | prevent the symbol from being dynamic. */ | |
1490 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, &link_info, | |
1491 | "__ehdr_start", TRUE, TRUE)) | |
1492 | einfo ("%P%F: failed to record assignment to %s: %E\n", | |
1493 | "__ehdr_start"); | |
1494 | ||
a5382c42 MR |
1495 | /* If we are going to make any variable assignments, we need to |
1496 | let the ELF backend know about them in case the variables are | |
1497 | referred to by dynamic objects. */ | |
1498 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1499 | } | |
252b5132 RH |
1500 | |
1501 | /* Let the ELF backend work out the sizes of any sections required | |
1502 | by dynamic linking. */ | |
1503 | rpath = command_line.rpath; | |
1504 | if (rpath == NULL) | |
1505 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
7ee314fa AM |
1506 | |
1507 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) | |
8dd881b6 L |
1508 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1509 | { | |
1510 | const char *audit_libs = elf_dt_audit (abfd); | |
7ee314fa | 1511 | |
4724d37e | 1512 | /* If the input bfd contains an audit entry, we need to add it as |
8dd881b6 L |
1513 | a dep audit entry. */ |
1514 | if (audit_libs && *audit_libs != '\0') | |
1515 | { | |
1516 | char *cp = xstrdup (audit_libs); | |
1517 | do | |
1518 | { | |
1519 | int more = 0; | |
1520 | char *cp2 = strchr (cp, config.rpath_separator); | |
7ee314fa | 1521 | |
8dd881b6 L |
1522 | if (cp2) |
1523 | { | |
1524 | *cp2 = '\0'; | |
1525 | more = 1; | |
1526 | } | |
7ee314fa | 1527 | |
8dd881b6 L |
1528 | if (cp != NULL && *cp != '\0') |
1529 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp); | |
1530 | ||
1531 | cp = more ? ++cp2 : NULL; | |
1532 | } | |
1533 | while (cp != NULL); | |
1534 | } | |
1535 | } | |
7ee314fa | 1536 | |
5a580b3a | 1537 | if (! (bfd_elf_size_dynamic_sections |
f13a99db | 1538 | (link_info.output_bfd, command_line.soname, rpath, |
7ee314fa | 1539 | command_line.filter_shlib, audit, depaudit, |
252b5132 | 1540 | (const char * const *) command_line.auxiliary_filters, |
fd91d419 | 1541 | &link_info, &sinterp))) |
252b5132 | 1542 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
8423293d | 1543 | |
57e6abd2 | 1544 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1545 | /* Let the user override the dynamic linker we are using. */ |
1546 | if (command_line.interpreter != NULL | |
1547 | && sinterp != NULL) | |
1548 | { | |
1549 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1550 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1551 | } |
1552 | ||
1553 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1554 | we treat such sections as containing warning messages. We print | |
1555 | out the warning message, and then zero out the section size so | |
1556 | that it does not get copied into the output file. */ | |
1557 | ||
1558 | { | |
1559 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1560 | { | |
1561 | asection *s; | |
1562 | bfd_size_type sz; | |
1563 | char *msg; | |
b34976b6 | 1564 | bfd_boolean ret; |
252b5132 | 1565 | |
66be1055 | 1566 | if (is->flags.just_syms) |
252b5132 RH |
1567 | continue; |
1568 | ||
1569 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1570 | if (s == NULL) | |
1571 | continue; | |
1572 | ||
eea6121a | 1573 | sz = s->size; |
1e9cc1c2 | 1574 | msg = (char *) xmalloc ((size_t) (sz + 1)); |
bc251d50 | 1575 | if (! bfd_get_section_contents (is->the_bfd, s, msg, |
8c675694 | 1576 | (file_ptr) 0, sz)) |
252b5132 RH |
1577 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1578 | is->the_bfd); | |
bc251d50 | 1579 | msg[sz] = '\0'; |
252b5132 RH |
1580 | ret = link_info.callbacks->warning (&link_info, msg, |
1581 | (const char *) NULL, | |
1582 | is->the_bfd, (asection *) NULL, | |
1583 | (bfd_vma) 0); | |
1584 | ASSERT (ret); | |
1585 | free (msg); | |
1586 | ||
9e3be61d AM |
1587 | /* Clobber the section size, so that we don't waste space |
1588 | copying the warning into the output file. If we've already | |
1589 | sized the output section, adjust its size. The adjustment | |
1590 | is on rawsize because targets that size sections early will | |
1591 | have called lang_reset_memory_regions after sizing. */ | |
1592 | if (s->output_section != NULL | |
1593 | && s->output_section->rawsize >= s->size) | |
1594 | s->output_section->rawsize -= s->size; | |
1595 | ||
eea6121a | 1596 | s->size = 0; |
11d2f718 | 1597 | |
9e3be61d AM |
1598 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1599 | warning section don't get copied to the output. */ | |
a14a5de3 | 1600 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1601 | } |
1602 | } | |
8423293d | 1603 | |
1e035701 | 1604 | before_allocation_default (); |
8423293d | 1605 | |
f13a99db | 1606 | if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info)) |
8423293d | 1607 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
252b5132 RH |
1608 | } |
1609 | ||
41392f03 AM |
1610 | EOF |
1611 | fi | |
1612 | ||
1613 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
92b93329 | 1614 | fragment <<EOF |
252b5132 | 1615 | |
04925e1e AM |
1616 | /* Try to open a dynamic archive. This is where we know that ELF |
1617 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1618 | like hpux). */ | |
1619 | ||
b34976b6 | 1620 | static bfd_boolean |
0c7a8e5a AM |
1621 | gld${EMULATION_NAME}_open_dynamic_archive |
1622 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1623 | { |
04925e1e AM |
1624 | const char *filename; |
1625 | char *string; | |
252b5132 | 1626 | |
66be1055 | 1627 | if (! entry->flags.maybe_archive) |
b34976b6 | 1628 | return FALSE; |
252b5132 | 1629 | |
04925e1e | 1630 | filename = entry->filename; |
252b5132 | 1631 | |
04925e1e AM |
1632 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1633 | is defined, but it does not seem worth the headache to optimize | |
1634 | away those two bytes of space. */ | |
1635 | string = (char *) xmalloc (strlen (search->name) | |
1636 | + strlen (filename) | |
1637 | + strlen (arch) | |
1638 | #ifdef EXTRA_SHLIB_EXTENSION | |
1639 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1640 | #endif | |
1641 | + sizeof "/lib.so"); | |
1642 | ||
1643 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1644 | ||
1645 | #ifdef EXTRA_SHLIB_EXTENSION | |
1646 | /* Try the .so extension first. If that fails build a new filename | |
1647 | using EXTRA_SHLIB_EXTENSION. */ | |
1648 | if (! ldfile_try_open_bfd (string, entry)) | |
a26cc967 AM |
1649 | { |
1650 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1651 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
04925e1e AM |
1652 | #endif |
1653 | ||
1654 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1655 | { |
04925e1e | 1656 | free (string); |
b34976b6 | 1657 | return FALSE; |
04925e1e | 1658 | } |
a26cc967 AM |
1659 | #ifdef EXTRA_SHLIB_EXTENSION |
1660 | } | |
1661 | #endif | |
252b5132 | 1662 | |
04925e1e | 1663 | entry->filename = string; |
252b5132 | 1664 | |
04925e1e AM |
1665 | /* We have found a dynamic object to include in the link. The ELF |
1666 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1667 | section naming this file. If this file includes a DT_SONAME | |
1668 | entry, it will be used. Otherwise, the ELF linker will just use | |
1669 | the name of the file. For an archive found by searching, like | |
1670 | this one, the DT_NEEDED entry should consist of just the name of | |
1671 | the file, without the path information used to find it. Note | |
1672 | that we only need to do this if we have a dynamic object; an | |
1673 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1674 | |
04925e1e AM |
1675 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1676 | very pretty. I haven't been able to think of anything that is | |
1677 | pretty, though. */ | |
1678 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1679 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1680 | { | |
66be1055 | 1681 | ASSERT (entry->flags.maybe_archive && entry->flags.search_dirs); |
252b5132 | 1682 | |
04925e1e | 1683 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1684 | filename we recorded earlier. */ |
04925e1e | 1685 | |
fed2999d | 1686 | filename = lbasename (entry->filename); |
1c9acd94 | 1687 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1688 | } |
1689 | ||
b34976b6 | 1690 | return TRUE; |
04925e1e AM |
1691 | } |
1692 | ||
41392f03 AM |
1693 | EOF |
1694 | fi | |
cde43e70 AM |
1695 | |
1696 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
92b93329 | 1697 | fragment <<EOF |
41392f03 | 1698 | |
afd7a018 | 1699 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1700 | |
04925e1e | 1701 | static lang_output_section_statement_type * |
2a36a117 | 1702 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1703 | { |
04925e1e | 1704 | lang_output_section_statement_type *lookup; |
ba493122 | 1705 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1706 | lang_output_section_statement_type *last_alloc = NULL; |
48f2ff54 | 1707 | lang_output_section_statement_type *last_ro_alloc = NULL; |
ba493122 AM |
1708 | lang_output_section_statement_type *last_rel = NULL; |
1709 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1710 | int rela = sec->name[4] == 'a'; |
04925e1e | 1711 | |
afd7a018 AM |
1712 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1713 | lookup != NULL; | |
1714 | lookup = lookup->next) | |
04925e1e | 1715 | { |
66c103b7 | 1716 | if (lookup->constraint >= 0 |
0112cd26 | 1717 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1718 | { |
24cdb50a | 1719 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1720 | |
2a36a117 AM |
1721 | /* .rel.dyn must come before all other reloc sections, to suit |
1722 | GNU ld.so. */ | |
1723 | if (isdyn) | |
1724 | break; | |
1725 | ||
1726 | /* Don't place after .rel.plt as doing so results in wrong | |
1727 | dynamic tags. */ | |
1728 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1729 | break; |
2a36a117 AM |
1730 | |
1731 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1732 | last_rel = lookup; |
2a36a117 AM |
1733 | if ((rela == lookrela || last_rel_alloc == NULL) |
1734 | && lookup->bfd_section != NULL | |
ba493122 AM |
1735 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1736 | last_rel_alloc = lookup; | |
04925e1e | 1737 | } |
2a36a117 AM |
1738 | |
1739 | last = lookup; | |
1740 | if (lookup->bfd_section != NULL | |
1741 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
48f2ff54 AM |
1742 | { |
1743 | last_alloc = lookup; | |
1744 | if ((lookup->bfd_section->flags & SEC_READONLY) != 0) | |
1745 | last_ro_alloc = lookup; | |
1746 | } | |
252b5132 | 1747 | } |
ba493122 AM |
1748 | |
1749 | if (last_rel_alloc) | |
1750 | return last_rel_alloc; | |
1751 | ||
1752 | if (last_rel) | |
1753 | return last_rel; | |
1754 | ||
48f2ff54 AM |
1755 | if (last_ro_alloc) |
1756 | return last_ro_alloc; | |
1757 | ||
2a36a117 AM |
1758 | if (last_alloc) |
1759 | return last_alloc; | |
1760 | ||
ba493122 | 1761 | return last; |
252b5132 RH |
1762 | } |
1763 | ||
1764 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1765 | sections in the right segment. */ | |
1766 | ||
c2edb4b8 | 1767 | static lang_output_section_statement_type * |
8a99a385 AM |
1768 | gld${EMULATION_NAME}_place_orphan (asection *s, |
1769 | const char *secname, | |
1770 | int constraint) | |
252b5132 | 1771 | { |
afd7a018 AM |
1772 | static struct orphan_save hold[] = |
1773 | { | |
1774 | { ".text", | |
1775 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1776 | 0, 0, 0, 0 }, | |
1777 | { ".rodata", | |
1778 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1779 | 0, 0, 0, 0 }, | |
1780 | { ".data", | |
1781 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1782 | 0, 0, 0, 0 }, | |
1783 | { ".bss", | |
1784 | SEC_ALLOC, | |
1785 | 0, 0, 0, 0 }, | |
1786 | { 0, | |
1787 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1788 | 0, 0, 0, 0 }, | |
1789 | { ".interp", | |
1790 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1791 | 0, 0, 0, 0 }, | |
1792 | { ".sdata", | |
1793 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
07890c07 | 1794 | 0, 0, 0, 0 }, |
175b7cd4 | 1795 | { ".comment", |
07890c07 AM |
1796 | SEC_HAS_CONTENTS, |
1797 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1798 | }; |
1799 | enum orphan_save_index | |
1800 | { | |
1801 | orphan_text = 0, | |
1802 | orphan_rodata, | |
1803 | orphan_data, | |
1804 | orphan_bss, | |
1805 | orphan_rel, | |
1806 | orphan_interp, | |
07890c07 AM |
1807 | orphan_sdata, |
1808 | orphan_nonalloc | |
afd7a018 AM |
1809 | }; |
1810 | static int orphan_init_done = 0; | |
6a345e87 | 1811 | struct orphan_save *place; |
afd7a018 | 1812 | lang_output_section_statement_type *after; |
252b5132 | 1813 | lang_output_section_statement_type *os; |
b5f14a6d | 1814 | lang_output_section_statement_type *match_by_name = NULL; |
24cdb50a | 1815 | int isdyn = 0; |
ecca9871 L |
1816 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1817 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1818 | |
1049f94e | 1819 | if (! link_info.relocatable |
24cdb50a | 1820 | && link_info.combreloc |
ecca9871 | 1821 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1822 | { |
ecca9871 L |
1823 | if (iself) |
1824 | switch (sh_type) | |
1825 | { | |
1826 | case SHT_RELA: | |
1827 | secname = ".rela.dyn"; | |
1828 | isdyn = 1; | |
1829 | break; | |
1830 | case SHT_REL: | |
1831 | secname = ".rel.dyn"; | |
1832 | isdyn = 1; | |
1833 | break; | |
1834 | default: | |
1835 | break; | |
1836 | } | |
0112cd26 | 1837 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1838 | { |
1839 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1840 | isdyn = 1; | |
1841 | } | |
24cdb50a | 1842 | } |
aea4bd9d | 1843 | |
bcacc0f5 | 1844 | /* Look through the script to see where to place this section. */ |
d127ecce AM |
1845 | if (constraint == 0) |
1846 | for (os = lang_output_section_find (secname); | |
1847 | os != NULL; | |
1848 | os = next_matching_output_section_statement (os, 0)) | |
1849 | { | |
1850 | /* If we don't match an existing output section, tell | |
1851 | lang_insert_orphan to create a new output section. */ | |
1852 | constraint = SPECIAL; | |
1853 | ||
1854 | if (os->bfd_section != NULL | |
1855 | && (os->bfd_section->flags == 0 | |
1856 | || (_bfd_elf_match_sections_by_type (link_info.output_bfd, | |
1857 | os->bfd_section, | |
1858 | s->owner, s) | |
1859 | && ((s->flags ^ os->bfd_section->flags) | |
1860 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
1861 | { | |
1862 | /* We already have an output section statement with this | |
1863 | name, and its bfd section has compatible flags. | |
1864 | If the section already exists but does not have any flags | |
1865 | set, then it has been created by the linker, probably as a | |
1866 | result of a --section-start command line switch. */ | |
b9c361e0 | 1867 | lang_add_section (&os->children, s, NULL, os); |
d127ecce AM |
1868 | return os; |
1869 | } | |
b5f14a6d DD |
1870 | |
1871 | /* Save unused output sections in case we can match them | |
1872 | against orphans later. */ | |
1873 | if (os->bfd_section == NULL) | |
1874 | match_by_name = os; | |
d127ecce | 1875 | } |
252b5132 | 1876 | |
b5f14a6d DD |
1877 | /* If we didn't match an active output section, see if we matched an |
1878 | unused one and use that. */ | |
1879 | if (match_by_name) | |
1880 | { | |
b9c361e0 | 1881 | lang_add_section (&match_by_name->children, s, NULL, match_by_name); |
b5f14a6d DD |
1882 | return match_by_name; |
1883 | } | |
1884 | ||
afd7a018 AM |
1885 | if (!orphan_init_done) |
1886 | { | |
1887 | struct orphan_save *ho; | |
07890c07 | 1888 | |
afd7a018 AM |
1889 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
1890 | if (ho->name != NULL) | |
1891 | { | |
1892 | ho->os = lang_output_section_find (ho->name); | |
1893 | if (ho->os != NULL && ho->os->flags == 0) | |
1894 | ho->os->flags = ho->flags; | |
1895 | } | |
1896 | orphan_init_done = 1; | |
1897 | } | |
252b5132 RH |
1898 | |
1899 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1900 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1901 | if (link_info.executable |
1049f94e | 1902 | && ! link_info.relocatable |
bcacc0f5 | 1903 | && CONST_STRNEQ (s->name, ".gnu.warning.") |
afd7a018 | 1904 | && hold[orphan_text].os != NULL) |
252b5132 | 1905 | { |
c2edb4b8 | 1906 | os = hold[orphan_text].os; |
b9c361e0 | 1907 | lang_add_section (&os->children, s, NULL, os); |
c2edb4b8 | 1908 | return os; |
252b5132 RH |
1909 | } |
1910 | ||
1911 | /* Decide which segment the section should go in based on the | |
1912 | section name and section flags. We put loadable .note sections | |
1913 | right after the .interp section, so that the PT_NOTE segment is | |
1914 | stored right after the program headers where the OS can read it | |
1915 | in the first page. */ | |
aea4bd9d | 1916 | |
71bfc0ae | 1917 | place = NULL; |
07890c07 AM |
1918 | if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0) |
1919 | place = &hold[orphan_nonalloc]; | |
1920 | else if ((s->flags & SEC_ALLOC) == 0) | |
71bfc0ae | 1921 | ; |
252b5132 | 1922 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1923 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1924 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 | 1925 | place = &hold[orphan_interp]; |
04c932a2 | 1926 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS | SEC_THREAD_LOCAL)) == 0) |
afd7a018 AM |
1927 | place = &hold[orphan_bss]; |
1928 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1929 | place = &hold[orphan_sdata]; | |
1930 | else if ((s->flags & SEC_READONLY) == 0) | |
1931 | place = &hold[orphan_data]; | |
ecca9871 | 1932 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1933 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1934 | && (s->flags & SEC_LOAD) != 0) |
1935 | place = &hold[orphan_rel]; | |
1936 | else if ((s->flags & SEC_CODE) == 0) | |
1937 | place = &hold[orphan_rodata]; | |
1938 | else | |
1939 | place = &hold[orphan_text]; | |
71bfc0ae | 1940 | |
afd7a018 | 1941 | after = NULL; |
5ba47421 | 1942 | if (place != NULL) |
252b5132 | 1943 | { |
afd7a018 | 1944 | if (place->os == NULL) |
5ba47421 | 1945 | { |
afd7a018 AM |
1946 | if (place->name != NULL) |
1947 | place->os = lang_output_section_find (place->name); | |
1948 | else | |
1949 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1950 | } |
afd7a018 AM |
1951 | after = place->os; |
1952 | if (after == NULL) | |
390fbbf1 AM |
1953 | after = lang_output_section_find_by_flags |
1954 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1955 | if (after == NULL) |
1956 | /* *ABS* is always the first output section statement. */ | |
1957 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1958 | } |
1959 | ||
c2edb4b8 | 1960 | return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL); |
252b5132 | 1961 | } |
c56feb2b AM |
1962 | EOF |
1963 | fi | |
1964 | ||
eaeb0a9d | 1965 | if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then |
92b93329 | 1966 | fragment <<EOF |
252b5132 | 1967 | |
deb04cdb | 1968 | static void |
eaeb0a9d | 1969 | gld${EMULATION_NAME}_after_allocation (void) |
deb04cdb | 1970 | { |
f13a99db AM |
1971 | bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd, |
1972 | &link_info); | |
8ded5a0f | 1973 | gld${EMULATION_NAME}_map_segments (need_layout); |
73d074b4 | 1974 | } |
41392f03 AM |
1975 | EOF |
1976 | fi | |
1977 | ||
1978 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
92b93329 | 1979 | fragment <<EOF |
252b5132 RH |
1980 | |
1981 | static char * | |
0c7a8e5a | 1982 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1983 | EOF |
1984 | ||
1985 | if test -n "$COMPILE_IN" | |
1986 | then | |
1987 | # Scripts compiled in. | |
1988 | ||
1989 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1990 | sc="-f stringify.sed" |
252b5132 | 1991 | |
92b93329 | 1992 | fragment <<EOF |
60bcf0fa | 1993 | { |
252b5132 RH |
1994 | *isfile = 0; |
1995 | ||
1049f94e | 1996 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1997 | return |
252b5132 | 1998 | EOF |
afd7a018 AM |
1999 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
2000 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
2001 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
2002 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2003 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 2004 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
2005 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
2006 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 2007 | fi |
36af4a4e JJ |
2008 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2009 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
2010 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
2011 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 2012 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2013 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 2014 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2015 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 2016 | fi |
afd7a018 AM |
2017 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
2018 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 2019 | fi |
252b5132 | 2020 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 2021 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
2022 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
2023 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 2024 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2025 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 2026 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2027 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 2028 | fi |
afd7a018 AM |
2029 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
2030 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 2031 | fi |
82434356 | 2032 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b | 2033 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2034 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 AM |
2035 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
2036 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
2037 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 2038 | fi |
afd7a018 AM |
2039 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2040 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2041 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
2042 | |
2043 | else | |
2044 | # Scripts read from the filesystem. | |
2045 | ||
92b93329 | 2046 | fragment <<EOF |
60bcf0fa | 2047 | { |
252b5132 RH |
2048 | *isfile = 1; |
2049 | ||
1049f94e | 2050 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 2051 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 2052 | else if (link_info.relocatable) |
252b5132 RH |
2053 | return "ldscripts/${EMULATION_NAME}.xr"; |
2054 | else if (!config.text_read_only) | |
2055 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
2056 | EOF |
2057 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
2058 | else | |
92b93329 | 2059 | fragment <<EOF |
252b5132 RH |
2060 | else if (!config.magic_demand_paged) |
2061 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
2062 | EOF |
2063 | fi | |
36af4a4e JJ |
2064 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2065 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2066 | fragment <<EOF |
8c37241b | 2067 | else if (link_info.pie && link_info.combreloc |
fbfca19e | 2068 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2069 | return "ldscripts/${EMULATION_NAME}.xdw"; |
36af4a4e JJ |
2070 | else if (link_info.pie && link_info.combreloc) |
2071 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
2072 | EOF | |
2073 | fi | |
92b93329 | 2074 | fragment <<EOF |
36af4a4e JJ |
2075 | else if (link_info.pie) |
2076 | return "ldscripts/${EMULATION_NAME}.xd"; | |
2077 | EOF | |
2078 | fi | |
a060b769 AM |
2079 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
2080 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2081 | fragment <<EOF |
8c37241b | 2082 | else if (link_info.shared && link_info.combreloc |
fbfca19e | 2083 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2084 | return "ldscripts/${EMULATION_NAME}.xsw"; |
a060b769 AM |
2085 | else if (link_info.shared && link_info.combreloc) |
2086 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
2087 | EOF | |
2088 | fi | |
92b93329 | 2089 | fragment <<EOF |
252b5132 RH |
2090 | else if (link_info.shared) |
2091 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
2092 | EOF |
2093 | fi | |
2094 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2095 | fragment <<EOF |
8c37241b | 2096 | else if (link_info.combreloc && link_info.relro |
fbfca19e | 2097 | && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2098 | return "ldscripts/${EMULATION_NAME}.xw"; |
a060b769 AM |
2099 | else if (link_info.combreloc) |
2100 | return "ldscripts/${EMULATION_NAME}.xc"; | |
2101 | EOF | |
2102 | fi | |
92b93329 | 2103 | fragment <<EOF |
252b5132 RH |
2104 | else |
2105 | return "ldscripts/${EMULATION_NAME}.x"; | |
2106 | } | |
252b5132 | 2107 | |
3b108066 | 2108 | EOF |
41392f03 AM |
2109 | fi |
2110 | fi | |
3b108066 | 2111 | |
e0ee487b | 2112 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
92b93329 | 2113 | fragment <<EOF |
e0ee487b L |
2114 | $PARSE_AND_LIST_PROLOGUE |
2115 | EOF | |
2116 | fi | |
2117 | ||
92b93329 | 2118 | fragment <<EOF |
e0ee487b | 2119 | |
6c1439be L |
2120 | #define OPTION_DISABLE_NEW_DTAGS (400) |
2121 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 2122 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 2123 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 2124 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 2125 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
c0065db7 | 2126 | #define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1) |
7ee314fa | 2127 | #define OPTION_AUDIT (OPTION_BUILD_ID + 1) |
e13629bc | 2128 | |
3bcf5557 | 2129 | static void |
0c7a8e5a AM |
2130 | gld${EMULATION_NAME}_add_options |
2131 | (int ns, char **shortopts, int nl, struct option **longopts, | |
2132 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 2133 | { |
fb42df5e AM |
2134 | EOF |
2135 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2136 | fragment <<EOF | |
7ee314fa | 2137 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; |
fb42df5e AM |
2138 | EOF |
2139 | else | |
2140 | fragment <<EOF | |
2141 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; | |
2142 | EOF | |
2143 | fi | |
2144 | fragment <<EOF | |
3bcf5557 | 2145 | static const struct option xtra_long[] = { |
fb42df5e AM |
2146 | EOF |
2147 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2148 | fragment <<EOF | |
7ee314fa | 2149 | {"audit", required_argument, NULL, OPTION_AUDIT}, |
fb42df5e AM |
2150 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
2151 | EOF | |
2152 | fi | |
2153 | fragment <<EOF | |
2154 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, | |
e0ee487b | 2155 | EOF |
e0ee487b | 2156 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2157 | fragment <<EOF |
fb42df5e | 2158 | {"depaudit", required_argument, NULL, 'P'}, |
3bcf5557 AM |
2159 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
2160 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
2161 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 2162 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 2163 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
e0ee487b L |
2164 | EOF |
2165 | fi | |
e0ee487b | 2166 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then |
92b93329 | 2167 | fragment <<EOF |
3bcf5557 | 2168 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
2169 | EOF |
2170 | fi | |
92b93329 | 2171 | fragment <<EOF |
3bcf5557 AM |
2172 | {NULL, no_argument, NULL, 0} |
2173 | }; | |
2174 | ||
2175 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
2176 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
2177 | *longopts = (struct option *) | |
2178 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
2179 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
2180 | } | |
04925e1e | 2181 | |
24382dca | 2182 | #define DEFAULT_BUILD_ID_STYLE "sha1" |
c0065db7 | 2183 | |
3bcf5557 | 2184 | static bfd_boolean |
0c7a8e5a | 2185 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 2186 | { |
e0ee487b L |
2187 | switch (optc) |
2188 | { | |
2189 | default: | |
3bcf5557 | 2190 | return FALSE; |
6c1439be | 2191 | |
c0065db7 | 2192 | case OPTION_BUILD_ID: |
30e8ee25 | 2193 | if (emit_note_gnu_build_id != NULL) |
c0065db7 | 2194 | { |
30e8ee25 AM |
2195 | free ((char *) emit_note_gnu_build_id); |
2196 | emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
2197 | } |
2198 | if (optarg == NULL) | |
2199 | optarg = DEFAULT_BUILD_ID_STYLE; | |
2200 | if (strcmp (optarg, "none")) | |
30e8ee25 | 2201 | emit_note_gnu_build_id = xstrdup (optarg); |
c0065db7 | 2202 | break; |
fb42df5e AM |
2203 | |
2204 | EOF | |
2205 | ||
2206 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2207 | fragment <<EOF | |
7ee314fa | 2208 | case OPTION_AUDIT: |
4724d37e | 2209 | gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); |
7ee314fa | 2210 | break; |
fb42df5e | 2211 | |
7ee314fa AM |
2212 | case 'P': |
2213 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); | |
2214 | break; | |
c0065db7 | 2215 | |
6c1439be | 2216 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 2217 | link_info.new_dtags = FALSE; |
6c1439be L |
2218 | break; |
2219 | ||
2220 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 2221 | link_info.new_dtags = TRUE; |
6c1439be L |
2222 | break; |
2223 | ||
65765700 | 2224 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 2225 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
2226 | break; |
2227 | ||
a1ab1d2a UD |
2228 | case OPTION_GROUP: |
2229 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
2230 | /* Groups must be self-contained. */ | |
560e09e9 NC |
2231 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
2232 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
2233 | break; |
2234 | ||
b58f81ae DJ |
2235 | case OPTION_EXCLUDE_LIBS: |
2236 | add_excluded_libs (optarg); | |
2237 | break; | |
2238 | ||
fdc90cb4 JJ |
2239 | case OPTION_HASH_STYLE: |
2240 | link_info.emit_hash = FALSE; | |
2241 | link_info.emit_gnu_hash = FALSE; | |
2242 | if (strcmp (optarg, "sysv") == 0) | |
2243 | link_info.emit_hash = TRUE; | |
2244 | else if (strcmp (optarg, "gnu") == 0) | |
2245 | link_info.emit_gnu_hash = TRUE; | |
2246 | else if (strcmp (optarg, "both") == 0) | |
2247 | { | |
2248 | link_info.emit_hash = TRUE; | |
2249 | link_info.emit_gnu_hash = TRUE; | |
2250 | } | |
2251 | else | |
2252 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
2253 | break; | |
2254 | ||
fb42df5e AM |
2255 | EOF |
2256 | fi | |
2257 | fragment <<EOF | |
e0ee487b | 2258 | case 'z': |
fb42df5e AM |
2259 | if (strcmp (optarg, "defs") == 0) |
2260 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; | |
2261 | else if (strcmp (optarg, "muldefs") == 0) | |
2262 | link_info.allow_multiple_definition = TRUE; | |
2263 | else if (CONST_STRNEQ (optarg, "max-page-size=")) | |
2264 | { | |
2265 | char *end; | |
2266 | ||
2267 | config.maxpagesize = strtoul (optarg + 14, &end, 0); | |
2268 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) | |
2269 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), | |
2270 | optarg + 14); | |
2271 | } | |
2272 | else if (CONST_STRNEQ (optarg, "common-page-size=")) | |
2273 | { | |
2274 | char *end; | |
2275 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
2276 | if (*end | |
2277 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
2278 | einfo (_("%P%F: invalid common page size \`%s'\n"), | |
2279 | optarg + 17); | |
2280 | } | |
04c3a755 NS |
2281 | else if (CONST_STRNEQ (optarg, "stack-size=")) |
2282 | { | |
2283 | char *end; | |
2284 | link_info.stacksize = strtoul (optarg + 11, &end, 0); | |
2285 | if (*end || link_info.stacksize < 0) | |
2286 | einfo (_("%P%F: invalid stack size \`%s'\n"), optarg + 11); | |
2287 | if (!link_info.stacksize) | |
2288 | /* Use -1 for explicit no-stack, because zero means | |
2289 | 'default'. */ | |
2290 | link_info.stacksize = -1; | |
2291 | } | |
fb42df5e AM |
2292 | else if (strcmp (optarg, "execstack") == 0) |
2293 | { | |
2294 | link_info.execstack = TRUE; | |
2295 | link_info.noexecstack = FALSE; | |
2296 | } | |
2297 | else if (strcmp (optarg, "noexecstack") == 0) | |
2298 | { | |
2299 | link_info.noexecstack = TRUE; | |
2300 | link_info.execstack = FALSE; | |
2301 | } | |
2302 | EOF | |
2303 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2304 | fragment <<EOF | |
b039ef04 L |
2305 | else if (strcmp (optarg, "global") == 0) |
2306 | link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL; | |
fb42df5e | 2307 | else if (strcmp (optarg, "initfirst") == 0) |
e0ee487b L |
2308 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; |
2309 | else if (strcmp (optarg, "interpose") == 0) | |
2310 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
2311 | else if (strcmp (optarg, "loadfltr") == 0) | |
2312 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
2313 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
2314 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
2315 | else if (strcmp (optarg, "nodelete") == 0) | |
2316 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
2317 | else if (strcmp (optarg, "nodlopen") == 0) | |
2318 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
2319 | else if (strcmp (optarg, "nodump") == 0) | |
2320 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
2321 | else if (strcmp (optarg, "now") == 0) | |
2322 | { | |
2323 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
2324 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
2325 | } | |
5fa222e4 AM |
2326 | else if (strcmp (optarg, "lazy") == 0) |
2327 | { | |
2328 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
2329 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
2330 | } | |
e0ee487b L |
2331 | else if (strcmp (optarg, "origin") == 0) |
2332 | { | |
2333 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
2334 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
2335 | } | |
db6751f2 | 2336 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 2337 | link_info.combreloc = TRUE; |
db6751f2 | 2338 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 2339 | link_info.combreloc = FALSE; |
8bd621d8 | 2340 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 2341 | link_info.nocopyreloc = TRUE; |
8c37241b JJ |
2342 | else if (strcmp (optarg, "relro") == 0) |
2343 | link_info.relro = TRUE; | |
2344 | else if (strcmp (optarg, "norelro") == 0) | |
2345 | link_info.relro = FALSE; | |
c192a133 AM |
2346 | else if (strcmp (optarg, "text") == 0) |
2347 | link_info.error_textrel = TRUE; | |
2348 | else if (strcmp (optarg, "notext") == 0) | |
2349 | link_info.error_textrel = FALSE; | |
2350 | else if (strcmp (optarg, "textoff") == 0) | |
2351 | link_info.error_textrel = FALSE; | |
88b882e9 | 2352 | EOF |
fb42df5e | 2353 | fi |
88b882e9 | 2354 | |
92b93329 | 2355 | fragment <<EOF |
fb42df5e AM |
2356 | else |
2357 | einfo (_("%P: warning: -z %s ignored.\n"), optarg); | |
6c1439be | 2358 | break; |
e0ee487b | 2359 | EOF |
e0ee487b L |
2360 | |
2361 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
92b93329 | 2362 | fragment <<EOF |
e0ee487b L |
2363 | $PARSE_AND_LIST_ARGS_CASES |
2364 | EOF | |
2365 | fi | |
2366 | ||
92b93329 | 2367 | fragment <<EOF |
e0ee487b L |
2368 | } |
2369 | ||
3bcf5557 | 2370 | return TRUE; |
e0ee487b L |
2371 | } |
2372 | ||
41392f03 | 2373 | EOF |
41392f03 | 2374 | |
4b209b22 | 2375 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
92b93329 | 2376 | fragment <<EOF |
41392f03 | 2377 | |
e0ee487b | 2378 | static void |
0c7a8e5a | 2379 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b | 2380 | { |
fb42df5e AM |
2381 | EOF |
2382 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2383 | fragment <<EOF | |
7ee314fa AM |
2384 | fprintf (file, _("\ |
2385 | --audit=AUDITLIB Specify a library to use for auditing\n")); | |
2386 | fprintf (file, _("\ | |
fb42df5e AM |
2387 | -Bgroup Selects group name lookup rules for DSO\n")); |
2388 | EOF | |
2389 | fi | |
2390 | fragment <<EOF | |
2391 | fprintf (file, _("\ | |
2392 | --build-id[=STYLE] Generate build ID note\n")); | |
e0ee487b | 2393 | EOF |
e0ee487b | 2394 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2395 | fragment <<EOF |
442996ee | 2396 | fprintf (file, _("\ |
fb42df5e | 2397 | -P AUDITLIB, --depaudit=AUDITLIB\n" "\ |
4724d37e | 2398 | Specify a library to use for auditing dependencies\n")); |
442996ee AM |
2399 | fprintf (file, _("\ |
2400 | --disable-new-dtags Disable new dynamic tags\n")); | |
2401 | fprintf (file, _("\ | |
2402 | --enable-new-dtags Enable new dynamic tags\n")); | |
2403 | fprintf (file, _("\ | |
2404 | --eh-frame-hdr Create .eh_frame_hdr section\n")); | |
2405 | fprintf (file, _("\ | |
fb42df5e AM |
2406 | --exclude-libs=LIBS Make all symbols in LIBS hidden\n")); |
2407 | fprintf (file, _("\ | |
442996ee AM |
2408 | --hash-style=STYLE Set hash style to sysv, gnu or both\n")); |
2409 | fprintf (file, _("\ | |
2410 | -z combreloc Merge dynamic relocs into one section and sort\n")); | |
fb42df5e AM |
2411 | EOF |
2412 | fi | |
2413 | ||
2414 | fragment <<EOF | |
2415 | fprintf (file, _("\ | |
2416 | -z common-page-size=SIZE Set common page size to SIZE\n")); | |
442996ee AM |
2417 | fprintf (file, _("\ |
2418 | -z defs Report unresolved symbols in object files.\n")); | |
2419 | fprintf (file, _("\ | |
2420 | -z execstack Mark executable as requiring executable stack\n")); | |
fb42df5e AM |
2421 | EOF |
2422 | ||
2423 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2424 | fragment <<EOF | |
442996ee | 2425 | fprintf (file, _("\ |
b039ef04 | 2426 | -z global Make symbols in DSO available for subsequently\n\ |
4724d37e | 2427 | loaded objects\n")); |
b039ef04 | 2428 | fprintf (file, _("\ |
442996ee AM |
2429 | -z initfirst Mark DSO to be initialized first at runtime\n")); |
2430 | fprintf (file, _("\ | |
2431 | -z interpose Mark object to interpose all DSOs but executable\n")); | |
2432 | fprintf (file, _("\ | |
2433 | -z lazy Mark object lazy runtime binding (default)\n")); | |
2434 | fprintf (file, _("\ | |
2435 | -z loadfltr Mark object requiring immediate process\n")); | |
fb42df5e AM |
2436 | EOF |
2437 | fi | |
2438 | ||
2439 | fragment <<EOF | |
2440 | fprintf (file, _("\ | |
2441 | -z max-page-size=SIZE Set maximum page size to SIZE\n")); | |
442996ee AM |
2442 | fprintf (file, _("\ |
2443 | -z muldefs Allow multiple definitions\n")); | |
fb42df5e AM |
2444 | EOF |
2445 | ||
2446 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
2447 | fragment <<EOF | |
442996ee AM |
2448 | fprintf (file, _("\ |
2449 | -z nocombreloc Don't merge dynamic relocs into one section\n")); | |
2450 | fprintf (file, _("\ | |
2451 | -z nocopyreloc Don't create copy relocs\n")); | |
2452 | fprintf (file, _("\ | |
2453 | -z nodefaultlib Mark object not to use default search paths\n")); | |
2454 | fprintf (file, _("\ | |
2455 | -z nodelete Mark DSO non-deletable at runtime\n")); | |
2456 | fprintf (file, _("\ | |
2457 | -z nodlopen Mark DSO not available to dlopen\n")); | |
2458 | fprintf (file, _("\ | |
2459 | -z nodump Mark DSO not available to dldump\n")); | |
fb42df5e AM |
2460 | EOF |
2461 | fi | |
2462 | fragment <<EOF | |
442996ee AM |
2463 | fprintf (file, _("\ |
2464 | -z noexecstack Mark executable as not requiring executable stack\n")); | |
88b882e9 | 2465 | EOF |
fb42df5e | 2466 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
92b93329 | 2467 | fragment <<EOF |
442996ee AM |
2468 | fprintf (file, _("\ |
2469 | -z norelro Don't create RELRO program header\n")); | |
442996ee AM |
2470 | fprintf (file, _("\ |
2471 | -z now Mark object non-lazy runtime binding\n")); | |
2472 | fprintf (file, _("\ | |
2473 | -z origin Mark object requiring immediate \$ORIGIN\n\ | |
4724d37e | 2474 | processing at runtime\n")); |
442996ee AM |
2475 | fprintf (file, _("\ |
2476 | -z relro Create RELRO program header\n")); | |
07e15f87 NS |
2477 | fprintf (file, _("\ |
2478 | -z stacksize=SIZE Set size of stack segment\n")); | |
88b882e9 | 2479 | EOF |
e0ee487b L |
2480 | fi |
2481 | ||
2482 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
92b93329 | 2483 | fragment <<EOF |
e0ee487b L |
2484 | $PARSE_AND_LIST_OPTIONS |
2485 | EOF | |
2486 | fi | |
2487 | ||
92b93329 | 2488 | fragment <<EOF |
e0ee487b L |
2489 | } |
2490 | EOF | |
e0ee487b L |
2491 | |
2492 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
92b93329 | 2493 | fragment <<EOF |
e0ee487b L |
2494 | $PARSE_AND_LIST_EPILOGUE |
2495 | EOF | |
2496 | fi | |
41392f03 | 2497 | fi |
e0ee487b | 2498 | |
92b93329 | 2499 | fragment <<EOF |
252b5132 | 2500 | |
60bcf0fa | 2501 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2502 | { |
41392f03 AM |
2503 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2504 | ${LDEMUL_SYSLIB-syslib_default}, | |
2505 | ${LDEMUL_HLL-hll_default}, | |
eeaa4577 | 2506 | ${LDEMUL_AFTER_PARSE-after_parse_default}, |
41392f03 | 2507 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, |
eaeb0a9d | 2508 | ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, |
41392f03 AM |
2509 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
2510 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2511 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2512 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2513 | "${EMULATION_NAME}", |
2514 | "${OUTPUT_FORMAT}", | |
eaeb0a9d | 2515 | ${LDEMUL_FINISH-finish_default}, |
41392f03 AM |
2516 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2517 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2518 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2519 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2520 | ${LDEMUL_PARSE_ARGS-NULL}, |
2521 | gld${EMULATION_NAME}_add_options, | |
2522 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2523 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 2524 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 2525 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2526 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 2527 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
2528 | }; |
2529 | EOF |