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 ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
aa820537 AM |
16 | 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
17 | Free Software Foundation, Inc. | |
252b5132 RH |
18 | Written by Steve Chamberlain <sac@cygnus.com> |
19 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
20 | ||
f96b4a7b NC |
21 | This file is part of the GNU Binutils. |
22 | ||
23 | This program is free software; you can redistribute it and/or modify | |
24 | it under the terms of the GNU General Public License as published by | |
25 | the Free Software Foundation; either version 3 of the License, or | |
26 | (at your option) any later version. | |
27 | ||
28 | This program is distributed in the hope that it will be useful, | |
29 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
30 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
31 | GNU General Public License for more details. | |
32 | ||
33 | You should have received a copy of the GNU General Public License | |
34 | along with this program; if not, write to the Free Software | |
35 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
36 | MA 02110-1301, USA. */ | |
252b5132 RH |
37 | |
38 | #define TARGET_IS_${EMULATION_NAME} | |
39 | ||
252b5132 | 40 | #include "sysdep.h" |
3db64b00 | 41 | #include "bfd.h" |
1c9acd94 | 42 | #include "libiberty.h" |
3882b010 | 43 | #include "safe-ctype.h" |
fcf65871 | 44 | #include "getopt.h" |
24382dca RM |
45 | #include "md5.h" |
46 | #include "sha1.h" | |
47 | #include <fcntl.h> | |
252b5132 RH |
48 | |
49 | #include "bfdlink.h" | |
50 | ||
51 | #include "ld.h" | |
52 | #include "ldmain.h" | |
252b5132 RH |
53 | #include "ldmisc.h" |
54 | #include "ldexp.h" | |
55 | #include "ldlang.h" | |
b71e2778 AM |
56 | #include "ldfile.h" |
57 | #include "ldemul.h" | |
df2a7313 | 58 | #include <ldgram.h> |
e0ee487b | 59 | #include "elf/common.h" |
ecca9871 | 60 | #include "elf-bfd.h" |
07f1e47a | 61 | #include "filenames.h" |
252b5132 | 62 | |
0c7a8e5a AM |
63 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
64 | static void gld${EMULATION_NAME}_before_parse (void); | |
65 | static void gld${EMULATION_NAME}_after_open (void); | |
66 | static void gld${EMULATION_NAME}_before_allocation (void); | |
eaeb0a9d | 67 | static void gld${EMULATION_NAME}_after_allocation (void); |
c2edb4b8 | 68 | static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan |
8a99a385 | 69 | (asection *, const char *, int); |
41392f03 AM |
70 | EOF |
71 | ||
d3989512 JJ |
72 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
73 | case ${target} in | |
711c0baa | 74 | *-*-linux-* | *-*-k*bsd*-*) |
92b93329 | 75 | fragment <<EOF |
0b48acfe | 76 | #ifdef HAVE_GLOB |
d3989512 | 77 | #include <glob.h> |
0b48acfe | 78 | #endif |
d3989512 JJ |
79 | EOF |
80 | ;; | |
81 | esac | |
82 | fi | |
83 | ||
41392f03 AM |
84 | # Import any needed special functions and/or overrides. |
85 | # | |
92b93329 | 86 | source_em ${srcdir}/emultempl/elf-generic.em |
41392f03 | 87 | if test -n "$EXTRA_EM_FILE" ; then |
92b93329 | 88 | source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em |
41392f03 AM |
89 | fi |
90 | ||
f813923c | 91 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
92 | # variables. If the name of the overriding function is the same as is |
93 | # defined in this file, then don't output this file's version. | |
94 | # If a different overriding name is given then output the standard function | |
95 | # as presumably it is called from the overriding function. | |
96 | # | |
97 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
92b93329 | 98 | fragment <<EOF |
41392f03 | 99 | |
252b5132 | 100 | static void |
0c7a8e5a | 101 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 102 | { |
5e2f1575 | 103 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
b34976b6 AM |
104 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
105 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
106 | } |
107 | ||
41392f03 AM |
108 | EOF |
109 | fi | |
110 | ||
4a43e768 | 111 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
92b93329 | 112 | fragment <<EOF |
ddbb8a31 | 113 | /* Handle the generation of DT_NEEDED tags. */ |
4a43e768 AM |
114 | |
115 | static bfd_boolean | |
116 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
117 | { | |
96d56e9f | 118 | int link_class = 0; |
4a43e768 AM |
119 | |
120 | /* Tell the ELF linker that we don't want the output file to have a | |
121 | DT_NEEDED entry for this file, unless it is used to resolve | |
122 | references in a regular object. */ | |
ddbb8a31 | 123 | if (entry->add_DT_NEEDED_for_regular) |
96d56e9f | 124 | link_class = DYN_AS_NEEDED; |
e56f61be L |
125 | |
126 | /* Tell the ELF linker that we don't want the output file to have a | |
127 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
128 | this file at all. */ | |
ddbb8a31 | 129 | if (!entry->add_DT_NEEDED_for_dynamic) |
96d56e9f | 130 | link_class |= DYN_NO_ADD_NEEDED; |
e56f61be | 131 | |
12b9ff6c L |
132 | if (entry->just_syms_flag |
133 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) | |
134 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
135 | entry->the_bfd); | |
136 | ||
ddbb8a31 | 137 | if (link_class == 0 |
e56f61be L |
138 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) |
139 | return FALSE; | |
140 | ||
1e9cc1c2 NC |
141 | bfd_elf_set_dyn_lib_class (entry->the_bfd, |
142 | (enum dynamic_lib_link_class) link_class); | |
4a43e768 AM |
143 | |
144 | /* Continue on with normal load_symbols processing. */ | |
145 | return FALSE; | |
146 | } | |
147 | EOF | |
148 | fi | |
149 | ||
92b93329 | 150 | fragment <<EOF |
252b5132 RH |
151 | |
152 | /* These variables are required to pass information back and forth | |
153 | between after_open and check_needed and stat_needed and vercheck. */ | |
154 | ||
155 | static struct bfd_link_needed_list *global_needed; | |
156 | static struct stat global_stat; | |
e13629bc | 157 | static lang_input_statement_type *global_found; |
252b5132 | 158 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 159 | static bfd_boolean global_vercheck_failed; |
252b5132 | 160 | |
7ee314fa AM |
161 | /* These variables are used to implement target options */ |
162 | ||
163 | static char *audit; /* colon (typically) separated list of libs */ | |
164 | static char *depaudit; /* colon (typically) separated list of libs */ | |
252b5132 | 165 | |
04925e1e AM |
166 | /* On Linux, it's possible to have different versions of the same |
167 | shared library linked against different versions of libc. The | |
168 | dynamic linker somehow tags which libc version to use in | |
169 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
170 | executable, chooses which version of the shared library to use. | |
252b5132 | 171 | |
04925e1e AM |
172 | We try to do a similar check here by checking whether this shared |
173 | library needs any other shared libraries which may conflict with | |
174 | libraries we have already included in the link. If it does, we | |
175 | skip it, and try to find another shared library farther on down the | |
176 | link path. | |
252b5132 | 177 | |
04925e1e AM |
178 | This is called via lang_for_each_input_file. |
179 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 180 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 181 | a conflicting version. */ |
252b5132 | 182 | |
04925e1e | 183 | static void |
0c7a8e5a | 184 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 185 | { |
1c9acd94 | 186 | const char *soname; |
04925e1e | 187 | struct bfd_link_needed_list *l; |
252b5132 | 188 | |
04925e1e AM |
189 | if (global_vercheck_failed) |
190 | return; | |
191 | if (s->the_bfd == NULL | |
192 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
193 | return; | |
252b5132 | 194 | |
04925e1e AM |
195 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
196 | if (soname == NULL) | |
fed2999d | 197 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
198 | |
199 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
200 | { | |
201 | const char *suffix; | |
202 | ||
1c9acd94 | 203 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
204 | { |
205 | /* Probably can't happen, but it's an easy check. */ | |
206 | continue; | |
252b5132 RH |
207 | } |
208 | ||
04925e1e | 209 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
210 | continue; |
211 | ||
04925e1e AM |
212 | suffix = strstr (l->name, ".so."); |
213 | if (suffix == NULL) | |
214 | continue; | |
215 | ||
216 | suffix += sizeof ".so." - 1; | |
217 | ||
1c9acd94 | 218 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
219 | { |
220 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
221 | the object we are considering needs a dynamic object |
222 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
223 | appears to be a version mismatch, so we tell the caller | |
224 | to try a different version of this library. */ | |
b34976b6 | 225 | global_vercheck_failed = TRUE; |
04925e1e AM |
226 | return; |
227 | } | |
252b5132 RH |
228 | } |
229 | } | |
230 | ||
252b5132 | 231 | |
04925e1e AM |
232 | /* See if an input file matches a DT_NEEDED entry by running stat on |
233 | the file. */ | |
234 | ||
235 | static void | |
0c7a8e5a | 236 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 237 | { |
04925e1e AM |
238 | struct stat st; |
239 | const char *suffix; | |
240 | const char *soname; | |
252b5132 | 241 | |
e13629bc | 242 | if (global_found != NULL) |
04925e1e AM |
243 | return; |
244 | if (s->the_bfd == NULL) | |
245 | return; | |
e13629bc AM |
246 | |
247 | /* If this input file was an as-needed entry, and wasn't found to be | |
248 | needed at the stage it was linked, then don't say we have loaded it. */ | |
249 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 250 | return; |
04925e1e AM |
251 | |
252 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 253 | { |
04925e1e AM |
254 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
255 | return; | |
256 | } | |
252b5132 | 257 | |
9eabd475 ZW |
258 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
259 | st_ino; they always set it to zero. (Windows does provide a | |
260 | meaningful st_dev.) Do not indicate a duplicate library in that | |
261 | case. While there is no guarantee that a system that provides | |
262 | meaningful inode numbers will never set st_ino to zero, this is | |
263 | merely an optimization, so we do not need to worry about false | |
264 | negatives. */ | |
04925e1e | 265 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
266 | && st.st_ino == global_stat.st_ino |
267 | && st.st_ino != 0) | |
04925e1e | 268 | { |
e13629bc | 269 | global_found = s; |
04925e1e AM |
270 | return; |
271 | } | |
252b5132 | 272 | |
04925e1e AM |
273 | /* We issue a warning if it looks like we are including two |
274 | different versions of the same shared library. For example, | |
275 | there may be a problem if -lc picks up libc.so.6 but some other | |
276 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 277 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
278 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
279 | If we really want to issue warnings about mixing version numbers | |
280 | of shared libraries, we need to find a better way. */ | |
252b5132 | 281 | |
04925e1e AM |
282 | if (strchr (global_needed->name, '/') != NULL) |
283 | return; | |
284 | suffix = strstr (global_needed->name, ".so."); | |
285 | if (suffix == NULL) | |
286 | return; | |
287 | suffix += sizeof ".so." - 1; | |
252b5132 | 288 | |
04925e1e AM |
289 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
290 | if (soname == NULL) | |
fed2999d | 291 | soname = lbasename (s->filename); |
252b5132 | 292 | |
cde43e70 | 293 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 294 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 295 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
296 | } |
297 | ||
e56f61be L |
298 | struct dt_needed |
299 | { | |
300 | bfd *by; | |
301 | const char *name; | |
302 | }; | |
04925e1e | 303 | |
252b5132 RH |
304 | /* This function is called for each possible name for a dynamic object |
305 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
306 | to skip the check for a conflicting version. */ | |
307 | ||
b34976b6 | 308 | static bfd_boolean |
e56f61be L |
309 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
310 | int force) | |
252b5132 RH |
311 | { |
312 | bfd *abfd; | |
e56f61be | 313 | const char *name = needed->name; |
ec4eb78a | 314 | const char *soname; |
96d56e9f | 315 | int link_class; |
252b5132 | 316 | |
f13a99db | 317 | abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd)); |
252b5132 | 318 | if (abfd == NULL) |
b34976b6 | 319 | return FALSE; |
4a114e3e L |
320 | |
321 | /* Linker needs to decompress sections. */ | |
322 | abfd->flags |= BFD_DECOMPRESS; | |
323 | ||
252b5132 RH |
324 | if (! bfd_check_format (abfd, bfd_object)) |
325 | { | |
cde43e70 | 326 | bfd_close (abfd); |
b34976b6 | 327 | return FALSE; |
252b5132 RH |
328 | } |
329 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
330 | { | |
cde43e70 | 331 | bfd_close (abfd); |
b34976b6 | 332 | return FALSE; |
252b5132 RH |
333 | } |
334 | ||
c4bb8067 | 335 | /* For DT_NEEDED, they have to match. */ |
f13a99db | 336 | if (abfd->xvec != link_info.output_bfd->xvec) |
c4bb8067 L |
337 | { |
338 | bfd_close (abfd); | |
b34976b6 | 339 | return FALSE; |
c4bb8067 L |
340 | } |
341 | ||
252b5132 RH |
342 | /* Check whether this object would include any conflicting library |
343 | versions. If FORCE is set, then we skip this check; we use this | |
344 | the second time around, if we couldn't find any compatible | |
345 | instance of the shared library. */ | |
346 | ||
347 | if (! force) | |
348 | { | |
91d6fa6a | 349 | struct bfd_link_needed_list *needs; |
252b5132 | 350 | |
91d6fa6a | 351 | if (! bfd_elf_get_bfd_needed_list (abfd, &needs)) |
252b5132 RH |
352 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); |
353 | ||
91d6fa6a | 354 | if (needs != NULL) |
252b5132 | 355 | { |
91d6fa6a | 356 | global_vercheck_needed = needs; |
b34976b6 | 357 | global_vercheck_failed = FALSE; |
252b5132 RH |
358 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
359 | if (global_vercheck_failed) | |
360 | { | |
cde43e70 | 361 | bfd_close (abfd); |
b34976b6 | 362 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 363 | another file on the search path. */ |
b34976b6 | 364 | return FALSE; |
252b5132 RH |
365 | } |
366 | ||
367 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
368 | library does not use libc at all, we are supposed to skip |
369 | it the first time around in case we encounter a shared | |
370 | library later on with the same name which does use the | |
371 | version of libc that we want. This is much too horrible | |
372 | to use on any system other than Linux. */ | |
252b5132 RH |
373 | |
374 | EOF | |
375 | case ${target} in | |
711c0baa | 376 | *-*-linux-* | *-*-k*bsd*-*) |
92b93329 | 377 | fragment <<EOF |
252b5132 RH |
378 | { |
379 | struct bfd_link_needed_list *l; | |
380 | ||
91d6fa6a | 381 | for (l = needs; l != NULL; l = l->next) |
0112cd26 | 382 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
383 | break; |
384 | if (l == NULL) | |
385 | { | |
cde43e70 | 386 | bfd_close (abfd); |
b34976b6 | 387 | return FALSE; |
252b5132 RH |
388 | } |
389 | } | |
390 | ||
391 | EOF | |
392 | ;; | |
393 | esac | |
92b93329 | 394 | fragment <<EOF |
252b5132 RH |
395 | } |
396 | } | |
397 | ||
398 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
399 | ||
04925e1e AM |
400 | /* We have already checked that there is no other input file of the |
401 | same name. We must now check again that we are not including the | |
402 | same file twice. We need to do this because on many systems | |
403 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
404 | reference libc.so.1. If we have already included libc.so, we | |
405 | don't want to include libc.so.1 if they are the same file, and we | |
406 | can only check that using stat. */ | |
407 | ||
408 | if (bfd_stat (abfd, &global_stat) != 0) | |
409 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
410 | |
411 | /* First strip off everything before the last '/'. */ | |
fed2999d | 412 | soname = lbasename (abfd->filename); |
ec4eb78a L |
413 | |
414 | if (trace_file_tries) | |
415 | info_msg (_("found %s at %s\n"), soname, name); | |
416 | ||
e13629bc | 417 | global_found = NULL; |
04925e1e | 418 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 419 | if (global_found != NULL) |
04925e1e | 420 | { |
b34976b6 | 421 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 422 | we aren't going to do anything with it. */ |
b34976b6 | 423 | return TRUE; |
04925e1e AM |
424 | } |
425 | ||
4a43e768 AM |
426 | /* Specify the soname to use. */ |
427 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 428 | |
4a43e768 AM |
429 | /* Tell the ELF linker that we don't want the output file to have a |
430 | DT_NEEDED entry for this file, unless it is used to resolve | |
431 | references in a regular object. */ | |
96d56e9f | 432 | link_class = DYN_DT_NEEDED; |
e56f61be L |
433 | |
434 | /* Tell the ELF linker that we don't want the output file to have a | |
435 | DT_NEEDED entry for this file at all if the entry is from a file | |
436 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
437 | if (needed->by != NULL |
438 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
96d56e9f | 439 | link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
e56f61be | 440 | |
1e9cc1c2 | 441 | bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class); |
04925e1e AM |
442 | |
443 | /* Add this file into the symbol table. */ | |
444 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
445 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
446 | ||
b34976b6 | 447 | return TRUE; |
04925e1e AM |
448 | } |
449 | ||
450 | ||
451 | /* Search for a needed file in a path. */ | |
452 | ||
b34976b6 | 453 | static bfd_boolean |
e56f61be L |
454 | gld${EMULATION_NAME}_search_needed (const char *path, |
455 | struct dt_needed *n, int force) | |
04925e1e AM |
456 | { |
457 | const char *s; | |
e56f61be | 458 | const char *name = n->name; |
04925e1e | 459 | size_t len; |
e56f61be | 460 | struct dt_needed needed; |
04925e1e | 461 | |
cc5ce052 | 462 | if (name[0] == '/') |
e56f61be | 463 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 464 | |
04925e1e | 465 | if (path == NULL || *path == '\0') |
b34976b6 | 466 | return FALSE; |
e56f61be L |
467 | |
468 | needed.by = n->by; | |
469 | needed.name = n->name; | |
470 | ||
04925e1e AM |
471 | len = strlen (name); |
472 | while (1) | |
473 | { | |
474 | char *filename, *sset; | |
475 | ||
c76308d2 | 476 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
477 | if (s == NULL) |
478 | s = path + strlen (path); | |
479 | ||
07f1e47a AM |
480 | #if HAVE_DOS_BASED_FILE_SYSTEM |
481 | /* Assume a match on the second char is part of drive specifier. */ | |
482 | else if (config.rpath_separator == ':' | |
483 | && s == path + 1 | |
484 | && ISALPHA (*path)) | |
485 | { | |
486 | s = strchr (s + 1, config.rpath_separator); | |
487 | if (s == NULL) | |
488 | s = path + strlen (path); | |
489 | } | |
490 | #endif | |
04925e1e AM |
491 | filename = (char *) xmalloc (s - path + len + 2); |
492 | if (s == path) | |
493 | sset = filename; | |
494 | else | |
495 | { | |
496 | memcpy (filename, path, s - path); | |
497 | filename[s - path] = '/'; | |
498 | sset = filename + (s - path) + 1; | |
499 | } | |
500 | strcpy (sset, name); | |
501 | ||
e56f61be L |
502 | needed.name = filename; |
503 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 504 | return TRUE; |
04925e1e AM |
505 | |
506 | free (filename); | |
507 | ||
508 | if (*s == '\0') | |
509 | break; | |
510 | path = s + 1; | |
511 | } | |
512 | ||
b34976b6 | 513 | return FALSE; |
04925e1e AM |
514 | } |
515 | ||
516 | EOF | |
9c8ebd6a | 517 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 518 | fragment <<EOF |
9c8ebd6a | 519 | |
c76308d2 RS |
520 | /* Add the sysroot to every entry in a path separated by |
521 | config.rpath_separator. */ | |
9c8ebd6a DJ |
522 | |
523 | static char * | |
0c7a8e5a | 524 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
525 | { |
526 | int len, colons, i; | |
527 | char *ret, *p; | |
528 | ||
529 | len = strlen (path); | |
530 | colons = 0; | |
531 | i = 0; | |
532 | while (path[i]) | |
c76308d2 | 533 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
534 | colons++; |
535 | ||
536 | if (path[i]) | |
537 | colons++; | |
538 | ||
42644a89 | 539 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
540 | ret = xmalloc (len + 1); |
541 | strcpy (ret, ld_sysroot); | |
542 | p = ret + strlen (ret); | |
543 | i = 0; | |
544 | while (path[i]) | |
c76308d2 | 545 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 546 | { |
0c7a8e5a | 547 | *p++ = path[i++]; |
9c8ebd6a DJ |
548 | strcpy (p, ld_sysroot); |
549 | p = p + strlen (p); | |
9c8ebd6a DJ |
550 | } |
551 | else | |
552 | *p++ = path[i++]; | |
553 | ||
554 | *p = 0; | |
555 | return ret; | |
556 | } | |
04925e1e | 557 | |
3dc16cab DJ |
558 | EOF |
559 | case ${target} in | |
ebe1fac1 | 560 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 561 | fragment <<EOF |
ebe1fac1 NC |
562 | /* Read the system search path the FreeBSD way rather than the Linux way. */ |
563 | #ifdef HAVE_ELF_HINTS_H | |
564 | #include <elf-hints.h> | |
565 | #else | |
566 | #include "elf-hints-local.h" | |
567 | #endif | |
568 | ||
569 | static bfd_boolean | |
570 | gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force) | |
571 | { | |
572 | static bfd_boolean initialized; | |
573 | static char *ld_elf_hints; | |
574 | struct dt_needed needed; | |
575 | ||
576 | if (!initialized) | |
577 | { | |
578 | FILE *f; | |
579 | char *tmppath; | |
580 | ||
ff7a0acf | 581 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL); |
ebe1fac1 NC |
582 | f = fopen (tmppath, FOPEN_RB); |
583 | free (tmppath); | |
584 | if (f != NULL) | |
585 | { | |
586 | struct elfhints_hdr hdr; | |
587 | ||
588 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
589 | && hdr.magic == ELFHINTS_MAGIC | |
590 | && hdr.version == 1) | |
591 | { | |
592 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
593 | { | |
594 | char *b; | |
595 | ||
596 | b = xmalloc (hdr.dirlistlen + 1); | |
597 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
598 | hdr.dirlistlen + 1) | |
599 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 600 | |
ebe1fac1 NC |
601 | free (b); |
602 | } | |
603 | } | |
604 | fclose (f); | |
605 | } | |
606 | ||
607 | initialized = TRUE; | |
608 | } | |
609 | ||
610 | if (ld_elf_hints == NULL) | |
611 | return FALSE; | |
612 | ||
613 | needed.by = NULL; | |
614 | needed.name = name; | |
615 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed, | |
e13629bc | 616 | force); |
ebe1fac1 NC |
617 | } |
618 | EOF | |
619 | # FreeBSD | |
620 | ;; | |
621 | ||
711c0baa | 622 | *-*-linux-* | *-*-k*bsd*-*) |
92b93329 | 623 | fragment <<EOF |
04925e1e AM |
624 | /* For a native linker, check the file /etc/ld.so.conf for directories |
625 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 626 | only meaningful on Linux. */ |
04925e1e | 627 | |
d3989512 | 628 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 629 | { |
d3989512 JJ |
630 | char *path; |
631 | size_t len, alloc; | |
632 | }; | |
04925e1e | 633 | |
dfcffada | 634 | static bfd_boolean |
d3989512 JJ |
635 | gld${EMULATION_NAME}_parse_ld_so_conf |
636 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
637 | ||
638 | static void | |
639 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
640 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
641 | const char *pattern) | |
642 | { | |
643 | char *newp = NULL; | |
0b48acfe | 644 | #ifdef HAVE_GLOB |
d3989512 | 645 | glob_t gl; |
0b48acfe | 646 | #endif |
d3989512 JJ |
647 | |
648 | if (pattern[0] != '/') | |
04925e1e | 649 | { |
d3989512 JJ |
650 | char *p = strrchr (filename, '/'); |
651 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 652 | |
d3989512 JJ |
653 | newp = xmalloc (p - filename + 1 + patlen); |
654 | memcpy (newp, filename, p - filename + 1); | |
655 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
656 | pattern = newp; | |
657 | } | |
04925e1e | 658 | |
0b48acfe | 659 | #ifdef HAVE_GLOB |
d3989512 JJ |
660 | if (glob (pattern, 0, NULL, &gl) == 0) |
661 | { | |
662 | size_t i; | |
663 | ||
664 | for (i = 0; i < gl.gl_pathc; ++i) | |
665 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
666 | globfree (&gl); | |
667 | } | |
0b48acfe MM |
668 | #else |
669 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
670 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
671 | #endif | |
d3989512 JJ |
672 | |
673 | if (newp) | |
674 | free (newp); | |
675 | } | |
676 | ||
dfcffada | 677 | static bfd_boolean |
d3989512 JJ |
678 | gld${EMULATION_NAME}_parse_ld_so_conf |
679 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
680 | { | |
681 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
682 | char *line; |
683 | size_t linelen; | |
d3989512 JJ |
684 | |
685 | if (f == NULL) | |
dfcffada | 686 | return FALSE; |
d3989512 | 687 | |
563f4125 JJ |
688 | linelen = 256; |
689 | line = xmalloc (linelen); | |
690 | do | |
d3989512 | 691 | { |
563f4125 JJ |
692 | char *p = line, *q; |
693 | ||
694 | /* Normally this would use getline(3), but we need to be portable. */ | |
695 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
696 | && strlen (q) == linelen - (p - line) - 1 | |
697 | && line[linelen - 2] != '\n') | |
698 | { | |
699 | line = xrealloc (line, 2 * linelen); | |
700 | p = line + linelen - 1; | |
701 | linelen += linelen; | |
702 | } | |
703 | ||
704 | if (q == NULL && p == line) | |
705 | break; | |
d3989512 JJ |
706 | |
707 | p = strchr (line, '\n'); | |
708 | if (p) | |
709 | *p = '\0'; | |
710 | ||
711 | /* Because the file format does not know any form of quoting we | |
712 | can search forward for the next '#' character and if found | |
713 | make it terminating the line. */ | |
714 | p = strchr (line, '#'); | |
715 | if (p) | |
716 | *p = '\0'; | |
717 | ||
718 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
719 | p = line; | |
720 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
721 | ++p; | |
722 | ||
723 | /* If the line is blank it is ignored. */ | |
724 | if (p[0] == '\0') | |
725 | continue; | |
04925e1e | 726 | |
0112cd26 | 727 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
728 | { |
729 | char *dir, c; | |
730 | p += 8; | |
731 | do | |
04925e1e | 732 | { |
d3989512 JJ |
733 | while (*p == ' ' || *p == '\t') |
734 | ++p; | |
04925e1e | 735 | |
d3989512 JJ |
736 | if (*p == '\0') |
737 | break; | |
252b5132 | 738 | |
d3989512 JJ |
739 | dir = p; |
740 | ||
741 | while (*p != ' ' && *p != '\t' && *p) | |
742 | ++p; | |
743 | ||
744 | c = *p; | |
745 | *p++ = '\0'; | |
746 | if (dir[0] != '\0') | |
747 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
748 | dir); | |
749 | } | |
750 | while (c != '\0'); | |
751 | } | |
752 | else | |
753 | { | |
754 | char *dir = p; | |
755 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
756 | && *p != '\r' && *p != '\v') | |
757 | ++p; | |
758 | ||
759 | while (p != dir && p[-1] == '/') | |
760 | --p; | |
761 | if (info->path == NULL) | |
762 | { | |
763 | info->alloc = p - dir + 1 + 256; | |
764 | info->path = xmalloc (info->alloc); | |
765 | info->len = 0; | |
766 | } | |
04925e1e AM |
767 | else |
768 | { | |
d3989512 JJ |
769 | if (info->len + 1 + (p - dir) >= info->alloc) |
770 | { | |
771 | info->alloc += p - dir + 256; | |
772 | info->path = xrealloc (info->path, info->alloc); | |
773 | } | |
c76308d2 | 774 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 775 | } |
d3989512 JJ |
776 | memcpy (info->path + info->len, dir, p - dir); |
777 | info->len += p - dir; | |
778 | info->path[info->len] = '\0'; | |
779 | } | |
780 | } | |
563f4125 | 781 | while (! feof (f)); |
d3989512 JJ |
782 | free (line); |
783 | fclose (f); | |
dfcffada | 784 | return TRUE; |
d3989512 | 785 | } |
252b5132 | 786 | |
d3989512 JJ |
787 | static bfd_boolean |
788 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
789 | { | |
790 | static bfd_boolean initialized; | |
791 | static char *ld_so_conf; | |
792 | struct dt_needed needed; | |
252b5132 | 793 | |
d3989512 JJ |
794 | if (! initialized) |
795 | { | |
796 | char *tmppath; | |
797 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 798 | |
d3989512 JJ |
799 | info.path = NULL; |
800 | info.len = info.alloc = 0; | |
ff7a0acf AM |
801 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", |
802 | (const char *) NULL); | |
dfcffada AM |
803 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) |
804 | { | |
805 | free (tmppath); | |
ff7a0acf AM |
806 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", |
807 | (const char *) NULL); | |
dfcffada AM |
808 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); |
809 | } | |
d3989512 | 810 | free (tmppath); |
dfcffada | 811 | |
d3989512 JJ |
812 | if (info.path) |
813 | { | |
814 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
815 | free (info.path); | |
816 | ld_so_conf = d; | |
04925e1e | 817 | } |
b34976b6 | 818 | initialized = TRUE; |
04925e1e | 819 | } |
49e56c49 | 820 | |
04925e1e | 821 | if (ld_so_conf == NULL) |
b34976b6 | 822 | return FALSE; |
252b5132 | 823 | |
e56f61be L |
824 | |
825 | needed.by = NULL; | |
826 | needed.name = name; | |
827 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
828 | } |
829 | ||
04925e1e | 830 | EOF |
9c8ebd6a DJ |
831 | # Linux |
832 | ;; | |
04925e1e AM |
833 | esac |
834 | fi | |
92b93329 | 835 | fragment <<EOF |
04925e1e | 836 | |
252b5132 RH |
837 | /* See if an input file matches a DT_NEEDED entry by name. */ |
838 | ||
839 | static void | |
0c7a8e5a | 840 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 841 | { |
e13629bc AM |
842 | const char *soname; |
843 | ||
844 | /* Stop looking if we've found a loaded lib. */ | |
845 | if (global_found != NULL | |
846 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
847 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
848 | return; |
849 | ||
e13629bc AM |
850 | if (s->filename == NULL || s->the_bfd == NULL) |
851 | return; | |
852 | ||
853 | /* Don't look for a second non-loaded as-needed lib. */ | |
854 | if (global_found != NULL | |
855 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
856 | return; |
857 | ||
e13629bc | 858 | if (strcmp (s->filename, global_needed->name) == 0) |
252b5132 | 859 | { |
e13629bc AM |
860 | global_found = s; |
861 | return; | |
862 | } | |
577a0623 | 863 | |
e13629bc AM |
864 | if (s->search_dirs_flag) |
865 | { | |
866 | const char *f = strrchr (s->filename, '/'); | |
867 | if (f != NULL | |
868 | && strcmp (f + 1, global_needed->name) == 0) | |
577a0623 | 869 | { |
e13629bc | 870 | global_found = s; |
577a0623 AM |
871 | return; |
872 | } | |
252b5132 RH |
873 | } |
874 | ||
e13629bc AM |
875 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
876 | if (soname != NULL | |
877 | && strcmp (soname, global_needed->name) == 0) | |
252b5132 | 878 | { |
e13629bc AM |
879 | global_found = s; |
880 | return; | |
252b5132 | 881 | } |
252b5132 RH |
882 | } |
883 | ||
41392f03 AM |
884 | EOF |
885 | ||
886 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
92b93329 | 887 | fragment <<EOF |
04925e1e | 888 | |
24382dca RM |
889 | static bfd_size_type |
890 | gld${EMULATION_NAME}_id_note_section_size (bfd *abfd, | |
91d6fa6a | 891 | struct bfd_link_info *linfo) |
24382dca | 892 | { |
91d6fa6a | 893 | const char *style = linfo->emit_note_gnu_build_id; |
24382dca RM |
894 | bfd_size_type size; |
895 | ||
896 | abfd = abfd; | |
897 | ||
898 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); | |
899 | size = (size + 3) & -(bfd_size_type) 4; | |
900 | ||
901 | if (!strcmp (style, "md5") || !strcmp (style, "uuid")) | |
902 | size += 128 / 8; | |
903 | else if (!strcmp (style, "sha1")) | |
904 | size += 160 / 8; | |
905 | else if (!strncmp (style, "0x", 2)) | |
906 | { | |
907 | /* ID is in string form (hex). Convert to bits. */ | |
908 | const char *id = style + 2; | |
909 | do | |
910 | { | |
911 | if (ISXDIGIT (id[0]) && ISXDIGIT (id[1])) | |
912 | { | |
913 | ++size; | |
914 | id += 2; | |
915 | } | |
916 | else if (*id == '-' || *id == ':') | |
917 | ++id; | |
918 | else | |
919 | { | |
920 | size = 0; | |
921 | break; | |
922 | } | |
923 | } while (*id != '\0'); | |
924 | } | |
925 | else | |
926 | size = 0; | |
927 | ||
928 | return size; | |
929 | } | |
930 | ||
931 | static unsigned char | |
932 | read_hex (const char xdigit) | |
933 | { | |
934 | if (ISDIGIT (xdigit)) | |
935 | return xdigit - '0'; | |
936 | if (ISUPPER (xdigit)) | |
937 | return xdigit - 'A' + 0xa; | |
938 | if (ISLOWER (xdigit)) | |
939 | return xdigit - 'a' + 0xa; | |
940 | abort (); | |
941 | return 0; | |
942 | } | |
943 | ||
944 | struct build_id_info | |
945 | { | |
946 | const char *style; | |
947 | asection *sec; | |
948 | }; | |
949 | ||
950 | static bfd_boolean | |
951 | gld${EMULATION_NAME}_write_build_id_section (bfd *abfd) | |
952 | { | |
953 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
1e9cc1c2 | 954 | struct build_id_info *info = (struct build_id_info *) |
24382dca RM |
955 | elf_tdata (abfd)->after_write_object_contents_info; |
956 | asection *asec; | |
957 | Elf_Internal_Shdr *i_shdr; | |
958 | unsigned char *contents, *id_bits; | |
959 | bfd_size_type size; | |
960 | Elf_External_Note *e_note; | |
961 | ||
962 | asec = info->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 | ||
991 | if (!strcmp (info->style, "md5")) | |
992 | { | |
993 | struct md5_ctx ctx; | |
994 | md5_init_ctx (&ctx); | |
995 | if (bed->s->checksum_contents (abfd, | |
996 | (void (*) (const void *, size_t, void *)) | |
997 | &md5_process_bytes, | |
998 | &ctx)) | |
999 | md5_finish_ctx (&ctx, id_bits); | |
1000 | else | |
1001 | return FALSE; | |
1002 | } | |
1003 | else if (!strcmp (info->style, "sha1")) | |
1004 | { | |
1005 | struct sha1_ctx ctx; | |
1006 | sha1_init_ctx (&ctx); | |
1007 | if (bed->s->checksum_contents (abfd, | |
1008 | (void (*) (const void *, size_t, void *)) | |
1009 | &sha1_process_bytes, | |
1010 | &ctx)) | |
1011 | sha1_finish_ctx (&ctx, id_bits); | |
1012 | else | |
1013 | return FALSE; | |
1014 | } | |
1015 | else if (!strcmp (info->style, "uuid")) | |
1016 | { | |
1017 | int n; | |
1018 | int fd = open ("/dev/urandom", O_RDONLY); | |
1019 | if (fd < 0) | |
1020 | return FALSE; | |
1021 | n = read (fd, id_bits, size); | |
1022 | close (fd); | |
1023 | if (n < (int) size) | |
1024 | return FALSE; | |
1025 | } | |
1026 | else if (!strncmp (info->style, "0x", 2)) | |
1027 | { | |
1028 | /* ID is in string form (hex). Convert to bits. */ | |
1029 | const char *id = info->style + 2; | |
1030 | size_t n = 0; | |
1031 | do | |
1032 | { | |
1033 | if (ISXDIGIT (id[0]) && ISXDIGIT (id[1])) | |
1034 | { | |
1035 | id_bits[n] = read_hex (*id++) << 4; | |
1036 | id_bits[n++] |= read_hex (*id++); | |
1037 | } | |
1038 | else if (*id == '-' || *id == ':') | |
1039 | ++id; | |
1040 | else | |
1041 | abort (); /* Should have been validated earlier. */ | |
1042 | } while (*id != '\0'); | |
1043 | } | |
1044 | else | |
1045 | abort (); /* Should have been validated earlier. */ | |
1046 | ||
b2ff8454 RM |
1047 | size = asec->size; |
1048 | return (bfd_seek (abfd, | |
1049 | i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0 | |
1050 | && bfd_bwrite (contents, size, abfd) == size); | |
24382dca RM |
1051 | } |
1052 | ||
1053 | ||
04925e1e | 1054 | /* This is called after all the input files have been opened. */ |
252b5132 RH |
1055 | |
1056 | static void | |
0c7a8e5a | 1057 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 1058 | { |
04925e1e | 1059 | struct bfd_link_needed_list *needed, *l; |
d10e7fcc AM |
1060 | struct elf_link_hash_table *htab; |
1061 | ||
1062 | htab = elf_hash_table (&link_info); | |
1063 | if (!is_elf_hash_table (htab)) | |
1064 | return; | |
252b5132 | 1065 | |
c0065db7 RM |
1066 | if (link_info.emit_note_gnu_build_id) |
1067 | { | |
1068 | bfd *abfd; | |
1069 | asection *s; | |
1070 | bfd_size_type size; | |
1071 | ||
a654efd6 L |
1072 | /* Find an ELF input. */ |
1073 | for (abfd = link_info.input_bfds; | |
1074 | abfd != (bfd *) NULL; abfd = abfd->link_next) | |
1075 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) | |
1076 | break; | |
c0065db7 | 1077 | |
e9e0a58e | 1078 | if (abfd == NULL) |
c0065db7 | 1079 | { |
e9e0a58e NC |
1080 | /* PR 10555: If there are no input files do not |
1081 | try to create a .note.gnu-build-id section. */ | |
c0065db7 RM |
1082 | free (link_info.emit_note_gnu_build_id); |
1083 | link_info.emit_note_gnu_build_id = NULL; | |
1084 | } | |
1085 | else | |
1086 | { | |
e9e0a58e NC |
1087 | size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info); |
1088 | if (size == 0) | |
c0065db7 | 1089 | { |
e9e0a58e NC |
1090 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); |
1091 | free (link_info.emit_note_gnu_build_id); | |
1092 | link_info.emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
1093 | } |
1094 | else | |
1095 | { | |
e9e0a58e NC |
1096 | s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id", |
1097 | SEC_ALLOC | SEC_LOAD | |
1098 | | SEC_IN_MEMORY | SEC_LINKER_CREATED | |
1099 | | SEC_READONLY | SEC_DATA); | |
1100 | if (s != NULL && bfd_set_section_alignment (abfd, s, 2)) | |
1101 | { | |
1102 | struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd); | |
1e9cc1c2 NC |
1103 | struct build_id_info *b = |
1104 | (struct build_id_info *) xmalloc (sizeof *b); | |
e9e0a58e NC |
1105 | |
1106 | b->style = link_info.emit_note_gnu_build_id; | |
1107 | b->sec = s; | |
1108 | elf_section_type (s) = SHT_NOTE; | |
1109 | s->size = size; | |
1110 | t->after_write_object_contents | |
1111 | = &gld${EMULATION_NAME}_write_build_id_section; | |
1112 | t->after_write_object_contents_info = b; | |
1113 | } | |
1114 | else | |
1115 | { | |
1116 | einfo ("%P: warning: Cannot create .note.gnu.build-id section," | |
1117 | " --build-id ignored.\n"); | |
1118 | free (link_info.emit_note_gnu_build_id); | |
1119 | link_info.emit_note_gnu_build_id = NULL; | |
1120 | } | |
c0065db7 RM |
1121 | } |
1122 | } | |
1123 | } | |
1124 | ||
d10e7fcc AM |
1125 | if (link_info.relocatable) |
1126 | return; | |
1127 | ||
eb3d5f3b | 1128 | if (link_info.eh_frame_hdr |
d10e7fcc | 1129 | && !link_info.traditional_format) |
eb3d5f3b | 1130 | { |
a654efd6 L |
1131 | bfd *abfd, *elfbfd = NULL; |
1132 | bfd_boolean warn_eh_frame = FALSE; | |
d10e7fcc | 1133 | asection *s; |
eb3d5f3b | 1134 | |
d10e7fcc | 1135 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) |
eb3d5f3b | 1136 | { |
a654efd6 L |
1137 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1138 | elfbfd = abfd; | |
4440bb77 L |
1139 | if (!warn_eh_frame) |
1140 | { | |
1141 | s = bfd_get_section_by_name (abfd, ".eh_frame"); | |
1142 | warn_eh_frame | |
1143 | = (s | |
1144 | && s->size > 8 | |
1145 | && !bfd_is_abs_section (s->output_section)); | |
1146 | } | |
1147 | if (elfbfd && warn_eh_frame) | |
1148 | break; | |
d10e7fcc | 1149 | } |
a654efd6 | 1150 | if (elfbfd) |
d10e7fcc AM |
1151 | { |
1152 | const struct elf_backend_data *bed; | |
1153 | ||
a654efd6 L |
1154 | bed = get_elf_backend_data (elfbfd); |
1155 | s = bfd_make_section_with_flags (elfbfd, ".eh_frame_hdr", | |
1156 | bed->dynamic_sec_flags | |
1157 | | SEC_READONLY); | |
d10e7fcc | 1158 | if (s != NULL |
a654efd6 L |
1159 | && bfd_set_section_alignment (elfbfd, s, 2)) |
1160 | { | |
1161 | htab->eh_info.hdr_sec = s; | |
1162 | warn_eh_frame = FALSE; | |
1163 | } | |
eb3d5f3b | 1164 | } |
a654efd6 L |
1165 | if (warn_eh_frame) |
1166 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
1167 | " --eh-frame-hdr ignored.\n"); | |
eb3d5f3b JB |
1168 | } |
1169 | ||
04925e1e AM |
1170 | /* Get the list of files which appear in DT_NEEDED entries in |
1171 | dynamic objects included in the link (often there will be none). | |
1172 | For each such file, we want to track down the corresponding | |
1173 | library, and include the symbol table in the link. This is what | |
1174 | the runtime dynamic linker will do. Tracking the files down here | |
1175 | permits one dynamic object to include another without requiring | |
1176 | special action by the person doing the link. Note that the | |
1177 | needed list can actually grow while we are stepping through this | |
1178 | loop. */ | |
d10e7fcc AM |
1179 | if (!link_info.executable) |
1180 | return; | |
f13a99db | 1181 | needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info); |
04925e1e | 1182 | for (l = needed; l != NULL; l = l->next) |
252b5132 | 1183 | { |
04925e1e | 1184 | struct bfd_link_needed_list *ll; |
e56f61be | 1185 | struct dt_needed n, nn; |
04925e1e | 1186 | int force; |
252b5132 | 1187 | |
7e9f0867 AM |
1188 | /* If the lib that needs this one was --as-needed and wasn't |
1189 | found to be needed, then this lib isn't needed either. */ | |
1190 | if (l->by != NULL | |
1191 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) | |
1192 | continue; | |
1193 | ||
04925e1e AM |
1194 | /* If we've already seen this file, skip it. */ |
1195 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
1196 | if ((ll->by == NULL |
1197 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
1198 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
1199 | break; |
1200 | if (ll != l) | |
1201 | continue; | |
252b5132 | 1202 | |
04925e1e AM |
1203 | /* See if this file was included in the link explicitly. */ |
1204 | global_needed = l; | |
e13629bc | 1205 | global_found = NULL; |
04925e1e | 1206 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
1207 | if (global_found != NULL |
1208 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1209 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 1210 | continue; |
252b5132 | 1211 | |
e56f61be L |
1212 | n.by = l->by; |
1213 | n.name = l->name; | |
1214 | nn.by = l->by; | |
ec4eb78a L |
1215 | if (trace_file_tries) |
1216 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
1217 | ||
e13629bc AM |
1218 | /* As-needed libs specified on the command line (or linker script) |
1219 | take priority over libs found in search dirs. */ | |
1220 | if (global_found != NULL) | |
1221 | { | |
1222 | nn.name = global_found->filename; | |
1223 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
1224 | continue; | |
1225 | } | |
1226 | ||
04925e1e AM |
1227 | /* We need to find this file and include the symbol table. We |
1228 | want to search for the file in the same way that the dynamic | |
1229 | linker will search. That means that we want to use | |
1230 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
1231 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
1232 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
1233 | We do not search using the -L arguments. | |
252b5132 | 1234 | |
04925e1e AM |
1235 | We search twice. The first time, we skip objects which may |
1236 | introduce version mismatches. The second time, we force | |
1237 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
1238 | for (force = 0; force < 2; force++) | |
1239 | { | |
04925e1e AM |
1240 | size_t len; |
1241 | search_dirs_type *search; | |
6dd8c765 | 1242 | EOF |
ff925e69 | 1243 | if [ "x${NATIVE}" = xyes ] ; then |
92b93329 | 1244 | fragment <<EOF |
dcb0bd0e | 1245 | const char *lib_path; |
ff925e69 KK |
1246 | EOF |
1247 | fi | |
1248 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1249 | fragment <<EOF |
6dd8c765 L |
1250 | struct bfd_link_needed_list *rp; |
1251 | int found; | |
1252 | EOF | |
6dd8c765 | 1253 | fi |
92b93329 | 1254 | fragment <<EOF |
252b5132 | 1255 | |
04925e1e | 1256 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 1257 | &n, force)) |
04925e1e | 1258 | break; |
dcb0bd0e | 1259 | EOF |
9c8ebd6a | 1260 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1261 | fragment <<EOF |
04925e1e | 1262 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 1263 | &n, force)) |
04925e1e | 1264 | break; |
9c8ebd6a DJ |
1265 | EOF |
1266 | fi | |
1267 | if [ "x${NATIVE}" = xyes ] ; then | |
92b93329 | 1268 | fragment <<EOF |
04925e1e AM |
1269 | if (command_line.rpath_link == NULL |
1270 | && command_line.rpath == NULL) | |
1271 | { | |
1272 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1273 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1274 | force)) |
1275 | break; | |
1276 | } | |
04925e1e | 1277 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1278 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1279 | break; |
9c8ebd6a DJ |
1280 | EOF |
1281 | fi | |
1282 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1283 | fragment <<EOF |
ec4eb78a | 1284 | found = 0; |
f13a99db | 1285 | rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info); |
6dd8c765 | 1286 | for (; !found && rp != NULL; rp = rp->next) |
ec4eb78a | 1287 | { |
9c8ebd6a | 1288 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1289 | found = (rp->by == l->by |
9c8ebd6a | 1290 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1291 | &n, |
ec4eb78a | 1292 | force)); |
9c8ebd6a | 1293 | free (tmpname); |
ec4eb78a L |
1294 | } |
1295 | if (found) | |
1296 | break; | |
1297 | ||
04925e1e | 1298 | EOF |
04925e1e | 1299 | fi |
c1446dba L |
1300 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1301 | case ${target} in | |
ebe1fac1 | 1302 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 1303 | fragment <<EOF |
ebe1fac1 NC |
1304 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force)) |
1305 | break; | |
1306 | EOF | |
1307 | # FreeBSD | |
1308 | ;; | |
1309 | ||
c1446dba L |
1310 | *-*-linux-* | *-*-k*bsd*-*) |
1311 | # Linux | |
92b93329 | 1312 | fragment <<EOF |
c1446dba L |
1313 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
1314 | break; | |
1315 | ||
1316 | EOF | |
1317 | ;; | |
1318 | esac | |
1319 | fi | |
92b93329 | 1320 | fragment <<EOF |
04925e1e AM |
1321 | len = strlen (l->name); |
1322 | for (search = search_head; search != NULL; search = search->next) | |
1323 | { | |
1324 | char *filename; | |
252b5132 | 1325 | |
04925e1e AM |
1326 | if (search->cmdline) |
1327 | continue; | |
1328 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1329 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1330 | nn.name = filename; |
1331 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1332 | break; |
1333 | free (filename); | |
1334 | } | |
1335 | if (search != NULL) | |
1336 | break; | |
1337 | EOF | |
92b93329 | 1338 | fragment <<EOF |
04925e1e | 1339 | } |
252b5132 | 1340 | |
04925e1e AM |
1341 | if (force < 2) |
1342 | continue; | |
252b5132 | 1343 | |
e374f1d9 | 1344 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1345 | l->name, l->by); |
1346 | } | |
1347 | } | |
252b5132 | 1348 | |
41392f03 AM |
1349 | EOF |
1350 | fi | |
1351 | ||
92b93329 | 1352 | fragment <<EOF |
252b5132 | 1353 | |
04925e1e | 1354 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1355 | |
04925e1e | 1356 | static void |
0c7a8e5a | 1357 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1358 | { |
4ea42fb7 | 1359 | bfd_boolean provide = FALSE; |
04925e1e AM |
1360 | |
1361 | switch (exp->type.node_class) | |
252b5132 | 1362 | { |
04925e1e | 1363 | case etree_provide: |
bded3693 | 1364 | case etree_provided: |
4ea42fb7 AM |
1365 | provide = TRUE; |
1366 | /* Fall thru */ | |
1367 | case etree_assign: | |
04925e1e AM |
1368 | /* We call record_link_assignment even if the symbol is defined. |
1369 | This is because if it is defined by a dynamic object, we | |
1370 | actually want to use the value defined by the linker script, | |
1371 | not the value from the dynamic object (because we are setting | |
1372 | symbols like etext). If the symbol is defined by a regular | |
1373 | object, then, as it happens, calling record_link_assignment | |
1374 | will do no harm. */ | |
04925e1e | 1375 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1376 | { |
f13a99db AM |
1377 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, |
1378 | &link_info, | |
fe21a8fc L |
1379 | exp->assign.dst, provide, |
1380 | exp->assign.hidden)) | |
04925e1e AM |
1381 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1382 | exp->assign.dst); | |
252b5132 | 1383 | } |
04925e1e AM |
1384 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1385 | break; | |
252b5132 | 1386 | |
04925e1e AM |
1387 | case etree_binary: |
1388 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1389 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1390 | break; | |
252b5132 | 1391 | |
04925e1e AM |
1392 | case etree_trinary: |
1393 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1394 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1395 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1396 | break; | |
252b5132 | 1397 | |
04925e1e AM |
1398 | case etree_unary: |
1399 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1400 | break; | |
252b5132 | 1401 | |
04925e1e AM |
1402 | default: |
1403 | break; | |
252b5132 RH |
1404 | } |
1405 | } | |
1406 | ||
04925e1e AM |
1407 | |
1408 | /* This is called by the before_allocation routine via | |
1409 | lang_for_each_statement. It locates any assignment statements, and | |
1410 | tells the ELF backend about them, in case they are assignments to | |
1411 | symbols which are referred to by dynamic objects. */ | |
1412 | ||
1413 | static void | |
0c7a8e5a | 1414 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1415 | { |
1416 | if (s->header.type == lang_assignment_statement_enum) | |
1417 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1418 | } | |
1419 | ||
41392f03 AM |
1420 | EOF |
1421 | ||
1422 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1423 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1424 | ELF_INTERPRETER_SET_DEFAULT=" | |
1425 | if (sinterp != NULL) | |
1426 | { | |
5718918d AM |
1427 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1428 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1429 | } |
1430 | ||
1431 | " | |
1432 | else | |
1433 | ELF_INTERPRETER_SET_DEFAULT= | |
1434 | fi | |
92b93329 | 1435 | fragment <<EOF |
04925e1e | 1436 | |
7ee314fa AM |
1437 | /* used by before_allocation and handle_option. */ |
1438 | static void | |
91d6fa6a | 1439 | gld${EMULATION_NAME}_append_to_separated_string (char **to, char *op_arg) |
7ee314fa AM |
1440 | { |
1441 | if (*to == NULL) | |
91d6fa6a | 1442 | *to = xstrdup (op_arg); |
7ee314fa AM |
1443 | else |
1444 | { | |
1445 | size_t to_len = strlen (*to); | |
91d6fa6a | 1446 | size_t op_arg_len = strlen (op_arg); |
7ee314fa AM |
1447 | char *buf; |
1448 | char *cp = *to; | |
1449 | ||
1450 | /* First see whether OPTARG is already in the path. */ | |
1451 | do | |
1452 | { | |
91d6fa6a NC |
1453 | if (strncmp (op_arg, cp, op_arg_len) == 0 |
1454 | && (cp[op_arg_len] == 0 | |
1455 | || cp[op_arg_len] == config.rpath_separator)) | |
7ee314fa AM |
1456 | /* We found it. */ |
1457 | break; | |
1458 | ||
1459 | /* Not yet found. */ | |
1460 | cp = strchr (cp, config.rpath_separator); | |
1461 | if (cp != NULL) | |
1462 | ++cp; | |
1463 | } | |
1464 | while (cp != NULL); | |
1465 | ||
1466 | if (cp == NULL) | |
1467 | { | |
91d6fa6a | 1468 | buf = xmalloc (to_len + op_arg_len + 2); |
7ee314fa | 1469 | sprintf (buf, "%s%c%s", *to, |
91d6fa6a | 1470 | config.rpath_separator, op_arg); |
7ee314fa AM |
1471 | free (*to); |
1472 | *to = buf; | |
1473 | } | |
1474 | } | |
1475 | } | |
1476 | ||
252b5132 RH |
1477 | /* This is called after the sections have been attached to output |
1478 | sections, but before any sizes or addresses have been set. */ | |
1479 | ||
1480 | static void | |
0c7a8e5a | 1481 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1482 | { |
1483 | const char *rpath; | |
1484 | asection *sinterp; | |
7ee314fa | 1485 | bfd *abfd; |
252b5132 | 1486 | |
fd574c46 | 1487 | if (link_info.hash->type == bfd_link_elf_hash_table) |
f13a99db | 1488 | _bfd_elf_tls_setup (link_info.output_bfd, &link_info); |
e1918d23 | 1489 | |
252b5132 RH |
1490 | /* If we are going to make any variable assignments, we need to let |
1491 | the ELF backend know about them in case the variables are | |
1492 | referred to by dynamic objects. */ | |
1493 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1494 | ||
1495 | /* Let the ELF backend work out the sizes of any sections required | |
1496 | by dynamic linking. */ | |
1497 | rpath = command_line.rpath; | |
1498 | if (rpath == NULL) | |
1499 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
7ee314fa AM |
1500 | |
1501 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) | |
8dd881b6 L |
1502 | if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) |
1503 | { | |
1504 | const char *audit_libs = elf_dt_audit (abfd); | |
7ee314fa | 1505 | |
8dd881b6 L |
1506 | /* If the input bfd contains an audit entry, we need to add it as |
1507 | a dep audit entry. */ | |
1508 | if (audit_libs && *audit_libs != '\0') | |
1509 | { | |
1510 | char *cp = xstrdup (audit_libs); | |
1511 | do | |
1512 | { | |
1513 | int more = 0; | |
1514 | char *cp2 = strchr (cp, config.rpath_separator); | |
7ee314fa | 1515 | |
8dd881b6 L |
1516 | if (cp2) |
1517 | { | |
1518 | *cp2 = '\0'; | |
1519 | more = 1; | |
1520 | } | |
7ee314fa | 1521 | |
8dd881b6 L |
1522 | if (cp != NULL && *cp != '\0') |
1523 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp); | |
1524 | ||
1525 | cp = more ? ++cp2 : NULL; | |
1526 | } | |
1527 | while (cp != NULL); | |
1528 | } | |
1529 | } | |
7ee314fa | 1530 | |
5a580b3a | 1531 | if (! (bfd_elf_size_dynamic_sections |
f13a99db | 1532 | (link_info.output_bfd, command_line.soname, rpath, |
7ee314fa | 1533 | command_line.filter_shlib, audit, depaudit, |
252b5132 RH |
1534 | (const char * const *) command_line.auxiliary_filters, |
1535 | &link_info, &sinterp, lang_elf_version_info))) | |
1536 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
8423293d | 1537 | |
57e6abd2 | 1538 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1539 | /* Let the user override the dynamic linker we are using. */ |
1540 | if (command_line.interpreter != NULL | |
1541 | && sinterp != NULL) | |
1542 | { | |
1543 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1544 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1545 | } |
1546 | ||
1547 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1548 | we treat such sections as containing warning messages. We print | |
1549 | out the warning message, and then zero out the section size so | |
1550 | that it does not get copied into the output file. */ | |
1551 | ||
1552 | { | |
1553 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1554 | { | |
1555 | asection *s; | |
1556 | bfd_size_type sz; | |
1557 | char *msg; | |
b34976b6 | 1558 | bfd_boolean ret; |
252b5132 RH |
1559 | |
1560 | if (is->just_syms_flag) | |
1561 | continue; | |
1562 | ||
1563 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1564 | if (s == NULL) | |
1565 | continue; | |
1566 | ||
eea6121a | 1567 | sz = s->size; |
1e9cc1c2 | 1568 | msg = (char *) xmalloc ((size_t) (sz + 1)); |
bc251d50 | 1569 | if (! bfd_get_section_contents (is->the_bfd, s, msg, |
8c675694 | 1570 | (file_ptr) 0, sz)) |
252b5132 RH |
1571 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1572 | is->the_bfd); | |
bc251d50 | 1573 | msg[sz] = '\0'; |
252b5132 RH |
1574 | ret = link_info.callbacks->warning (&link_info, msg, |
1575 | (const char *) NULL, | |
1576 | is->the_bfd, (asection *) NULL, | |
1577 | (bfd_vma) 0); | |
1578 | ASSERT (ret); | |
1579 | free (msg); | |
1580 | ||
9e3be61d AM |
1581 | /* Clobber the section size, so that we don't waste space |
1582 | copying the warning into the output file. If we've already | |
1583 | sized the output section, adjust its size. The adjustment | |
1584 | is on rawsize because targets that size sections early will | |
1585 | have called lang_reset_memory_regions after sizing. */ | |
1586 | if (s->output_section != NULL | |
1587 | && s->output_section->rawsize >= s->size) | |
1588 | s->output_section->rawsize -= s->size; | |
1589 | ||
eea6121a | 1590 | s->size = 0; |
11d2f718 | 1591 | |
9e3be61d AM |
1592 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1593 | warning section don't get copied to the output. */ | |
a14a5de3 | 1594 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1595 | } |
1596 | } | |
8423293d | 1597 | |
1e035701 | 1598 | before_allocation_default (); |
8423293d | 1599 | |
f13a99db | 1600 | if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info)) |
8423293d | 1601 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
252b5132 RH |
1602 | } |
1603 | ||
41392f03 AM |
1604 | EOF |
1605 | fi | |
1606 | ||
1607 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
92b93329 | 1608 | fragment <<EOF |
252b5132 | 1609 | |
04925e1e AM |
1610 | /* Try to open a dynamic archive. This is where we know that ELF |
1611 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1612 | like hpux). */ | |
1613 | ||
b34976b6 | 1614 | static bfd_boolean |
0c7a8e5a AM |
1615 | gld${EMULATION_NAME}_open_dynamic_archive |
1616 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1617 | { |
04925e1e AM |
1618 | const char *filename; |
1619 | char *string; | |
252b5132 | 1620 | |
b7f95647 | 1621 | if (! entry->maybe_archive) |
b34976b6 | 1622 | return FALSE; |
252b5132 | 1623 | |
04925e1e | 1624 | filename = entry->filename; |
252b5132 | 1625 | |
04925e1e AM |
1626 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1627 | is defined, but it does not seem worth the headache to optimize | |
1628 | away those two bytes of space. */ | |
1629 | string = (char *) xmalloc (strlen (search->name) | |
1630 | + strlen (filename) | |
1631 | + strlen (arch) | |
1632 | #ifdef EXTRA_SHLIB_EXTENSION | |
1633 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1634 | #endif | |
1635 | + sizeof "/lib.so"); | |
1636 | ||
1637 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1638 | ||
1639 | #ifdef EXTRA_SHLIB_EXTENSION | |
1640 | /* Try the .so extension first. If that fails build a new filename | |
1641 | using EXTRA_SHLIB_EXTENSION. */ | |
1642 | if (! ldfile_try_open_bfd (string, entry)) | |
a26cc967 AM |
1643 | { |
1644 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1645 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
04925e1e AM |
1646 | #endif |
1647 | ||
1648 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1649 | { |
04925e1e | 1650 | free (string); |
b34976b6 | 1651 | return FALSE; |
04925e1e | 1652 | } |
a26cc967 AM |
1653 | #ifdef EXTRA_SHLIB_EXTENSION |
1654 | } | |
1655 | #endif | |
252b5132 | 1656 | |
04925e1e | 1657 | entry->filename = string; |
252b5132 | 1658 | |
04925e1e AM |
1659 | /* We have found a dynamic object to include in the link. The ELF |
1660 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1661 | section naming this file. If this file includes a DT_SONAME | |
1662 | entry, it will be used. Otherwise, the ELF linker will just use | |
1663 | the name of the file. For an archive found by searching, like | |
1664 | this one, the DT_NEEDED entry should consist of just the name of | |
1665 | the file, without the path information used to find it. Note | |
1666 | that we only need to do this if we have a dynamic object; an | |
1667 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1668 | |
04925e1e AM |
1669 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1670 | very pretty. I haven't been able to think of anything that is | |
1671 | pretty, though. */ | |
1672 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1673 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1674 | { | |
b7f95647 | 1675 | ASSERT (entry->maybe_archive && entry->search_dirs_flag); |
252b5132 | 1676 | |
04925e1e | 1677 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1678 | filename we recorded earlier. */ |
04925e1e | 1679 | |
fed2999d | 1680 | filename = lbasename (entry->filename); |
1c9acd94 | 1681 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1682 | } |
1683 | ||
b34976b6 | 1684 | return TRUE; |
04925e1e AM |
1685 | } |
1686 | ||
41392f03 AM |
1687 | EOF |
1688 | fi | |
cde43e70 AM |
1689 | |
1690 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
92b93329 | 1691 | fragment <<EOF |
41392f03 | 1692 | |
afd7a018 | 1693 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1694 | |
04925e1e | 1695 | static lang_output_section_statement_type * |
2a36a117 | 1696 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1697 | { |
04925e1e | 1698 | lang_output_section_statement_type *lookup; |
ba493122 | 1699 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1700 | lang_output_section_statement_type *last_alloc = NULL; |
48f2ff54 | 1701 | lang_output_section_statement_type *last_ro_alloc = NULL; |
ba493122 AM |
1702 | lang_output_section_statement_type *last_rel = NULL; |
1703 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1704 | int rela = sec->name[4] == 'a'; |
04925e1e | 1705 | |
afd7a018 AM |
1706 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1707 | lookup != NULL; | |
1708 | lookup = lookup->next) | |
04925e1e | 1709 | { |
66c103b7 | 1710 | if (lookup->constraint >= 0 |
0112cd26 | 1711 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1712 | { |
24cdb50a | 1713 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1714 | |
2a36a117 AM |
1715 | /* .rel.dyn must come before all other reloc sections, to suit |
1716 | GNU ld.so. */ | |
1717 | if (isdyn) | |
1718 | break; | |
1719 | ||
1720 | /* Don't place after .rel.plt as doing so results in wrong | |
1721 | dynamic tags. */ | |
1722 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1723 | break; |
2a36a117 AM |
1724 | |
1725 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1726 | last_rel = lookup; |
2a36a117 AM |
1727 | if ((rela == lookrela || last_rel_alloc == NULL) |
1728 | && lookup->bfd_section != NULL | |
ba493122 AM |
1729 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1730 | last_rel_alloc = lookup; | |
04925e1e | 1731 | } |
2a36a117 AM |
1732 | |
1733 | last = lookup; | |
1734 | if (lookup->bfd_section != NULL | |
1735 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
48f2ff54 AM |
1736 | { |
1737 | last_alloc = lookup; | |
1738 | if ((lookup->bfd_section->flags & SEC_READONLY) != 0) | |
1739 | last_ro_alloc = lookup; | |
1740 | } | |
252b5132 | 1741 | } |
ba493122 AM |
1742 | |
1743 | if (last_rel_alloc) | |
1744 | return last_rel_alloc; | |
1745 | ||
1746 | if (last_rel) | |
1747 | return last_rel; | |
1748 | ||
48f2ff54 AM |
1749 | if (last_ro_alloc) |
1750 | return last_ro_alloc; | |
1751 | ||
2a36a117 AM |
1752 | if (last_alloc) |
1753 | return last_alloc; | |
1754 | ||
ba493122 | 1755 | return last; |
252b5132 RH |
1756 | } |
1757 | ||
1758 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1759 | sections in the right segment. */ | |
1760 | ||
c2edb4b8 | 1761 | static lang_output_section_statement_type * |
8a99a385 AM |
1762 | gld${EMULATION_NAME}_place_orphan (asection *s, |
1763 | const char *secname, | |
1764 | int constraint) | |
252b5132 | 1765 | { |
afd7a018 AM |
1766 | static struct orphan_save hold[] = |
1767 | { | |
1768 | { ".text", | |
1769 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1770 | 0, 0, 0, 0 }, | |
1771 | { ".rodata", | |
1772 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1773 | 0, 0, 0, 0 }, | |
1774 | { ".data", | |
1775 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1776 | 0, 0, 0, 0 }, | |
1777 | { ".bss", | |
1778 | SEC_ALLOC, | |
1779 | 0, 0, 0, 0 }, | |
1780 | { 0, | |
1781 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1782 | 0, 0, 0, 0 }, | |
1783 | { ".interp", | |
1784 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1785 | 0, 0, 0, 0 }, | |
1786 | { ".sdata", | |
1787 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
07890c07 AM |
1788 | 0, 0, 0, 0 }, |
1789 | { 0, | |
1790 | SEC_HAS_CONTENTS, | |
1791 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1792 | }; |
1793 | enum orphan_save_index | |
1794 | { | |
1795 | orphan_text = 0, | |
1796 | orphan_rodata, | |
1797 | orphan_data, | |
1798 | orphan_bss, | |
1799 | orphan_rel, | |
1800 | orphan_interp, | |
07890c07 AM |
1801 | orphan_sdata, |
1802 | orphan_nonalloc | |
afd7a018 AM |
1803 | }; |
1804 | static int orphan_init_done = 0; | |
6a345e87 | 1805 | struct orphan_save *place; |
afd7a018 | 1806 | lang_output_section_statement_type *after; |
252b5132 | 1807 | lang_output_section_statement_type *os; |
b5f14a6d | 1808 | lang_output_section_statement_type *match_by_name = NULL; |
24cdb50a | 1809 | int isdyn = 0; |
ecca9871 L |
1810 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1811 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1812 | |
1049f94e | 1813 | if (! link_info.relocatable |
24cdb50a | 1814 | && link_info.combreloc |
ecca9871 | 1815 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1816 | { |
ecca9871 L |
1817 | if (iself) |
1818 | switch (sh_type) | |
1819 | { | |
1820 | case SHT_RELA: | |
1821 | secname = ".rela.dyn"; | |
1822 | isdyn = 1; | |
1823 | break; | |
1824 | case SHT_REL: | |
1825 | secname = ".rel.dyn"; | |
1826 | isdyn = 1; | |
1827 | break; | |
1828 | default: | |
1829 | break; | |
1830 | } | |
0112cd26 | 1831 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1832 | { |
1833 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1834 | isdyn = 1; | |
1835 | } | |
24cdb50a | 1836 | } |
aea4bd9d | 1837 | |
bcacc0f5 | 1838 | /* Look through the script to see where to place this section. */ |
d127ecce AM |
1839 | if (constraint == 0) |
1840 | for (os = lang_output_section_find (secname); | |
1841 | os != NULL; | |
1842 | os = next_matching_output_section_statement (os, 0)) | |
1843 | { | |
1844 | /* If we don't match an existing output section, tell | |
1845 | lang_insert_orphan to create a new output section. */ | |
1846 | constraint = SPECIAL; | |
1847 | ||
1848 | if (os->bfd_section != NULL | |
1849 | && (os->bfd_section->flags == 0 | |
1850 | || (_bfd_elf_match_sections_by_type (link_info.output_bfd, | |
1851 | os->bfd_section, | |
1852 | s->owner, s) | |
1853 | && ((s->flags ^ os->bfd_section->flags) | |
1854 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
1855 | { | |
1856 | /* We already have an output section statement with this | |
1857 | name, and its bfd section has compatible flags. | |
1858 | If the section already exists but does not have any flags | |
1859 | set, then it has been created by the linker, probably as a | |
1860 | result of a --section-start command line switch. */ | |
1861 | lang_add_section (&os->children, s, os); | |
1862 | return os; | |
1863 | } | |
b5f14a6d DD |
1864 | |
1865 | /* Save unused output sections in case we can match them | |
1866 | against orphans later. */ | |
1867 | if (os->bfd_section == NULL) | |
1868 | match_by_name = os; | |
d127ecce | 1869 | } |
252b5132 | 1870 | |
b5f14a6d DD |
1871 | /* If we didn't match an active output section, see if we matched an |
1872 | unused one and use that. */ | |
1873 | if (match_by_name) | |
1874 | { | |
1875 | lang_add_section (&match_by_name->children, s, match_by_name); | |
1876 | return match_by_name; | |
1877 | } | |
1878 | ||
afd7a018 AM |
1879 | if (!orphan_init_done) |
1880 | { | |
07890c07 | 1881 | lang_output_section_statement_type *lookup; |
afd7a018 | 1882 | struct orphan_save *ho; |
07890c07 | 1883 | |
afd7a018 AM |
1884 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
1885 | if (ho->name != NULL) | |
1886 | { | |
1887 | ho->os = lang_output_section_find (ho->name); | |
1888 | if (ho->os != NULL && ho->os->flags == 0) | |
1889 | ho->os->flags = ho->flags; | |
1890 | } | |
07890c07 AM |
1891 | lookup = hold[orphan_bss].os; |
1892 | if (lookup == NULL) | |
1893 | lookup = &lang_output_section_statement.head->output_section_statement; | |
1894 | for (; lookup != NULL; lookup = lookup->next) | |
1895 | if ((lookup->bfd_section != NULL | |
1896 | && (lookup->bfd_section->flags & SEC_DEBUGGING) != 0) | |
1897 | || strcmp (lookup->name, ".comment") == 0) | |
1898 | break; | |
1899 | hold[orphan_nonalloc].os = lookup ? lookup->prev : NULL; | |
1900 | hold[orphan_nonalloc].name = ".comment"; | |
afd7a018 AM |
1901 | orphan_init_done = 1; |
1902 | } | |
252b5132 RH |
1903 | |
1904 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1905 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1906 | if (link_info.executable |
1049f94e | 1907 | && ! link_info.relocatable |
bcacc0f5 | 1908 | && CONST_STRNEQ (s->name, ".gnu.warning.") |
afd7a018 | 1909 | && hold[orphan_text].os != NULL) |
252b5132 | 1910 | { |
c2edb4b8 AM |
1911 | os = hold[orphan_text].os; |
1912 | lang_add_section (&os->children, s, os); | |
1913 | return os; | |
252b5132 RH |
1914 | } |
1915 | ||
1916 | /* Decide which segment the section should go in based on the | |
1917 | section name and section flags. We put loadable .note sections | |
1918 | right after the .interp section, so that the PT_NOTE segment is | |
1919 | stored right after the program headers where the OS can read it | |
1920 | in the first page. */ | |
aea4bd9d | 1921 | |
71bfc0ae | 1922 | place = NULL; |
07890c07 AM |
1923 | if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0) |
1924 | place = &hold[orphan_nonalloc]; | |
1925 | else if ((s->flags & SEC_ALLOC) == 0) | |
71bfc0ae | 1926 | ; |
252b5132 | 1927 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1928 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1929 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 AM |
1930 | place = &hold[orphan_interp]; |
1931 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1932 | place = &hold[orphan_bss]; | |
1933 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1934 | place = &hold[orphan_sdata]; | |
1935 | else if ((s->flags & SEC_READONLY) == 0) | |
1936 | place = &hold[orphan_data]; | |
ecca9871 | 1937 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1938 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1939 | && (s->flags & SEC_LOAD) != 0) |
1940 | place = &hold[orphan_rel]; | |
1941 | else if ((s->flags & SEC_CODE) == 0) | |
1942 | place = &hold[orphan_rodata]; | |
1943 | else | |
1944 | place = &hold[orphan_text]; | |
71bfc0ae | 1945 | |
afd7a018 | 1946 | after = NULL; |
5ba47421 | 1947 | if (place != NULL) |
252b5132 | 1948 | { |
afd7a018 | 1949 | if (place->os == NULL) |
5ba47421 | 1950 | { |
afd7a018 AM |
1951 | if (place->name != NULL) |
1952 | place->os = lang_output_section_find (place->name); | |
1953 | else | |
1954 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1955 | } |
afd7a018 AM |
1956 | after = place->os; |
1957 | if (after == NULL) | |
390fbbf1 AM |
1958 | after = lang_output_section_find_by_flags |
1959 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1960 | if (after == NULL) |
1961 | /* *ABS* is always the first output section statement. */ | |
1962 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1963 | } |
1964 | ||
c2edb4b8 | 1965 | return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL); |
252b5132 | 1966 | } |
c56feb2b AM |
1967 | EOF |
1968 | fi | |
1969 | ||
eaeb0a9d | 1970 | if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then |
92b93329 | 1971 | fragment <<EOF |
252b5132 | 1972 | |
deb04cdb | 1973 | static void |
eaeb0a9d | 1974 | gld${EMULATION_NAME}_after_allocation (void) |
deb04cdb | 1975 | { |
f13a99db AM |
1976 | bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd, |
1977 | &link_info); | |
8ded5a0f | 1978 | gld${EMULATION_NAME}_map_segments (need_layout); |
73d074b4 | 1979 | } |
41392f03 AM |
1980 | EOF |
1981 | fi | |
1982 | ||
1983 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
92b93329 | 1984 | fragment <<EOF |
252b5132 RH |
1985 | |
1986 | static char * | |
0c7a8e5a | 1987 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1988 | EOF |
1989 | ||
1990 | if test -n "$COMPILE_IN" | |
1991 | then | |
1992 | # Scripts compiled in. | |
1993 | ||
1994 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1995 | sc="-f stringify.sed" |
252b5132 | 1996 | |
92b93329 | 1997 | fragment <<EOF |
60bcf0fa | 1998 | { |
252b5132 RH |
1999 | *isfile = 0; |
2000 | ||
1049f94e | 2001 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 2002 | return |
252b5132 | 2003 | EOF |
afd7a018 AM |
2004 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
2005 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
2006 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
2007 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
2008 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 2009 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
2010 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
2011 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 2012 | fi |
36af4a4e JJ |
2013 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2014 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
2015 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
2016 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 2017 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2018 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 2019 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2020 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 2021 | fi |
afd7a018 AM |
2022 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
2023 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 2024 | fi |
252b5132 | 2025 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 2026 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
2027 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
2028 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 2029 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2030 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 2031 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 2032 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 2033 | fi |
afd7a018 AM |
2034 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
2035 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 2036 | fi |
82434356 | 2037 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b | 2038 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 2039 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 AM |
2040 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
2041 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
2042 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 2043 | fi |
afd7a018 AM |
2044 | echo ' ; else return' >> e${EMULATION_NAME}.c |
2045 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
2046 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
2047 | |
2048 | else | |
2049 | # Scripts read from the filesystem. | |
2050 | ||
92b93329 | 2051 | fragment <<EOF |
60bcf0fa | 2052 | { |
252b5132 RH |
2053 | *isfile = 1; |
2054 | ||
1049f94e | 2055 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 2056 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 2057 | else if (link_info.relocatable) |
252b5132 RH |
2058 | return "ldscripts/${EMULATION_NAME}.xr"; |
2059 | else if (!config.text_read_only) | |
2060 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
2061 | EOF |
2062 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
2063 | else | |
92b93329 | 2064 | fragment <<EOF |
252b5132 RH |
2065 | else if (!config.magic_demand_paged) |
2066 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
2067 | EOF |
2068 | fi | |
36af4a4e JJ |
2069 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2070 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2071 | fragment <<EOF |
8c37241b | 2072 | else if (link_info.pie && link_info.combreloc |
fbfca19e | 2073 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2074 | return "ldscripts/${EMULATION_NAME}.xdw"; |
36af4a4e JJ |
2075 | else if (link_info.pie && link_info.combreloc) |
2076 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
2077 | EOF | |
2078 | fi | |
92b93329 | 2079 | fragment <<EOF |
36af4a4e JJ |
2080 | else if (link_info.pie) |
2081 | return "ldscripts/${EMULATION_NAME}.xd"; | |
2082 | EOF | |
2083 | fi | |
a060b769 AM |
2084 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
2085 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2086 | fragment <<EOF |
8c37241b | 2087 | else if (link_info.shared && link_info.combreloc |
fbfca19e | 2088 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2089 | return "ldscripts/${EMULATION_NAME}.xsw"; |
a060b769 AM |
2090 | else if (link_info.shared && link_info.combreloc) |
2091 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
2092 | EOF | |
2093 | fi | |
92b93329 | 2094 | fragment <<EOF |
252b5132 RH |
2095 | else if (link_info.shared) |
2096 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
2097 | EOF |
2098 | fi | |
2099 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2100 | fragment <<EOF |
8c37241b | 2101 | else if (link_info.combreloc && link_info.relro |
fbfca19e | 2102 | && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2103 | return "ldscripts/${EMULATION_NAME}.xw"; |
a060b769 AM |
2104 | else if (link_info.combreloc) |
2105 | return "ldscripts/${EMULATION_NAME}.xc"; | |
2106 | EOF | |
2107 | fi | |
92b93329 | 2108 | fragment <<EOF |
252b5132 RH |
2109 | else |
2110 | return "ldscripts/${EMULATION_NAME}.x"; | |
2111 | } | |
252b5132 | 2112 | |
3b108066 | 2113 | EOF |
41392f03 AM |
2114 | fi |
2115 | fi | |
3b108066 | 2116 | |
41392f03 | 2117 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 2118 | |
e0ee487b | 2119 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
92b93329 | 2120 | fragment <<EOF |
e0ee487b L |
2121 | $PARSE_AND_LIST_PROLOGUE |
2122 | EOF | |
2123 | fi | |
2124 | ||
92b93329 | 2125 | fragment <<EOF |
e0ee487b | 2126 | |
6c1439be L |
2127 | #define OPTION_DISABLE_NEW_DTAGS (400) |
2128 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 2129 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 2130 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 2131 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 2132 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
c0065db7 | 2133 | #define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1) |
7ee314fa | 2134 | #define OPTION_AUDIT (OPTION_BUILD_ID + 1) |
e13629bc | 2135 | |
3bcf5557 | 2136 | static void |
0c7a8e5a AM |
2137 | gld${EMULATION_NAME}_add_options |
2138 | (int ns, char **shortopts, int nl, struct option **longopts, | |
2139 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 2140 | { |
7ee314fa | 2141 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; |
3bcf5557 | 2142 | static const struct option xtra_long[] = { |
c0065db7 | 2143 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
7ee314fa AM |
2144 | {"audit", required_argument, NULL, OPTION_AUDIT}, |
2145 | {"depaudit", required_argument, NULL, 'P'}, | |
e0ee487b | 2146 | EOF |
e0ee487b L |
2147 | |
2148 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
92b93329 | 2149 | fragment <<EOF |
3bcf5557 AM |
2150 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
2151 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
2152 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 2153 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 2154 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
3bcf5557 | 2155 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
e0ee487b L |
2156 | EOF |
2157 | fi | |
2158 | ||
2159 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
92b93329 | 2160 | fragment <<EOF |
3bcf5557 | 2161 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
2162 | EOF |
2163 | fi | |
2164 | ||
92b93329 | 2165 | fragment <<EOF |
3bcf5557 AM |
2166 | {NULL, no_argument, NULL, 0} |
2167 | }; | |
2168 | ||
2169 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
2170 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
2171 | *longopts = (struct option *) | |
2172 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
2173 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
2174 | } | |
04925e1e | 2175 | |
24382dca | 2176 | #define DEFAULT_BUILD_ID_STYLE "sha1" |
c0065db7 | 2177 | |
3bcf5557 | 2178 | static bfd_boolean |
0c7a8e5a | 2179 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 2180 | { |
e0ee487b L |
2181 | switch (optc) |
2182 | { | |
2183 | default: | |
3bcf5557 | 2184 | return FALSE; |
6c1439be | 2185 | |
c0065db7 RM |
2186 | case OPTION_BUILD_ID: |
2187 | if (link_info.emit_note_gnu_build_id != NULL) | |
2188 | { | |
2189 | free (link_info.emit_note_gnu_build_id); | |
2190 | link_info.emit_note_gnu_build_id = NULL; | |
2191 | } | |
2192 | if (optarg == NULL) | |
2193 | optarg = DEFAULT_BUILD_ID_STYLE; | |
2194 | if (strcmp (optarg, "none")) | |
2195 | link_info.emit_note_gnu_build_id = xstrdup (optarg); | |
2196 | break; | |
7ee314fa AM |
2197 | case OPTION_AUDIT: |
2198 | gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); | |
2199 | break; | |
2200 | case 'P': | |
2201 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); | |
2202 | break; | |
c0065db7 | 2203 | |
e0ee487b | 2204 | EOF |
e0ee487b L |
2205 | |
2206 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
92b93329 | 2207 | fragment <<EOF |
6c1439be | 2208 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 2209 | link_info.new_dtags = FALSE; |
6c1439be L |
2210 | break; |
2211 | ||
2212 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 2213 | link_info.new_dtags = TRUE; |
6c1439be L |
2214 | break; |
2215 | ||
65765700 | 2216 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 2217 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
2218 | break; |
2219 | ||
a1ab1d2a UD |
2220 | case OPTION_GROUP: |
2221 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
2222 | /* Groups must be self-contained. */ | |
560e09e9 NC |
2223 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
2224 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
2225 | break; |
2226 | ||
b58f81ae DJ |
2227 | case OPTION_EXCLUDE_LIBS: |
2228 | add_excluded_libs (optarg); | |
2229 | break; | |
2230 | ||
fdc90cb4 JJ |
2231 | case OPTION_HASH_STYLE: |
2232 | link_info.emit_hash = FALSE; | |
2233 | link_info.emit_gnu_hash = FALSE; | |
2234 | if (strcmp (optarg, "sysv") == 0) | |
2235 | link_info.emit_hash = TRUE; | |
2236 | else if (strcmp (optarg, "gnu") == 0) | |
2237 | link_info.emit_gnu_hash = TRUE; | |
2238 | else if (strcmp (optarg, "both") == 0) | |
2239 | { | |
2240 | link_info.emit_hash = TRUE; | |
2241 | link_info.emit_gnu_hash = TRUE; | |
2242 | } | |
2243 | else | |
2244 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
2245 | break; | |
2246 | ||
e0ee487b L |
2247 | case 'z': |
2248 | if (strcmp (optarg, "initfirst") == 0) | |
2249 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
2250 | else if (strcmp (optarg, "interpose") == 0) | |
2251 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
2252 | else if (strcmp (optarg, "loadfltr") == 0) | |
2253 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
2254 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
2255 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
2256 | else if (strcmp (optarg, "nodelete") == 0) | |
2257 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
2258 | else if (strcmp (optarg, "nodlopen") == 0) | |
2259 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
2260 | else if (strcmp (optarg, "nodump") == 0) | |
2261 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
2262 | else if (strcmp (optarg, "now") == 0) | |
2263 | { | |
2264 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
2265 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
2266 | } | |
5fa222e4 AM |
2267 | else if (strcmp (optarg, "lazy") == 0) |
2268 | { | |
2269 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
2270 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
2271 | } | |
e0ee487b L |
2272 | else if (strcmp (optarg, "origin") == 0) |
2273 | { | |
2274 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
2275 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
2276 | } | |
a1ab1d2a | 2277 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 2278 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 2279 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 2280 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 2281 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 2282 | link_info.combreloc = TRUE; |
db6751f2 | 2283 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 2284 | link_info.combreloc = FALSE; |
8bd621d8 | 2285 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 2286 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
2287 | else if (strcmp (optarg, "execstack") == 0) |
2288 | { | |
2289 | link_info.execstack = TRUE; | |
2290 | link_info.noexecstack = FALSE; | |
2291 | } | |
2292 | else if (strcmp (optarg, "noexecstack") == 0) | |
2293 | { | |
2294 | link_info.noexecstack = TRUE; | |
2295 | link_info.execstack = FALSE; | |
2296 | } | |
88b882e9 L |
2297 | EOF |
2298 | ||
2299 | if test -n "$COMMONPAGESIZE"; then | |
92b93329 | 2300 | fragment <<EOF |
8c37241b JJ |
2301 | else if (strcmp (optarg, "relro") == 0) |
2302 | link_info.relro = TRUE; | |
2303 | else if (strcmp (optarg, "norelro") == 0) | |
2304 | link_info.relro = FALSE; | |
88b882e9 L |
2305 | EOF |
2306 | fi | |
2307 | ||
92b93329 | 2308 | fragment <<EOF |
0112cd26 | 2309 | else if (CONST_STRNEQ (optarg, "max-page-size=")) |
24718e3b L |
2310 | { |
2311 | char *end; | |
0112cd26 | 2312 | |
24718e3b | 2313 | config.maxpagesize = strtoul (optarg + 14, &end, 0); |
b8142865 | 2314 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) |
24718e3b L |
2315 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), |
2316 | optarg + 14); | |
2317 | } | |
0112cd26 | 2318 | else if (CONST_STRNEQ (optarg, "common-page-size=")) |
24718e3b L |
2319 | { |
2320 | char *end; | |
2321 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
b8142865 L |
2322 | if (*end |
2323 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
24718e3b L |
2324 | einfo (_("%P%F: invalid common page size \`%s'\n"), |
2325 | optarg + 17); | |
2326 | } | |
e0ee487b | 2327 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 2328 | break; |
e0ee487b L |
2329 | EOF |
2330 | fi | |
2331 | ||
2332 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
92b93329 | 2333 | fragment <<EOF |
e0ee487b L |
2334 | $PARSE_AND_LIST_ARGS_CASES |
2335 | EOF | |
2336 | fi | |
2337 | ||
92b93329 | 2338 | fragment <<EOF |
e0ee487b L |
2339 | } |
2340 | ||
3bcf5557 | 2341 | return TRUE; |
e0ee487b L |
2342 | } |
2343 | ||
41392f03 | 2344 | EOF |
41392f03 | 2345 | |
4b209b22 | 2346 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
92b93329 | 2347 | fragment <<EOF |
41392f03 | 2348 | |
e0ee487b | 2349 | static void |
0c7a8e5a | 2350 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b | 2351 | { |
442996ee AM |
2352 | fprintf (file, _("\ |
2353 | --build-id[=STYLE] Generate build ID note\n")); | |
7ee314fa AM |
2354 | fprintf (file, _("\ |
2355 | --audit=AUDITLIB Specify a library to use for auditing\n")); | |
2356 | fprintf (file, _("\ | |
2357 | -P AUDITLIB, --depaudit=AUDITLIB\n" "\ | |
2358 | Specify a library to use for auditing dependencies\n")); | |
e0ee487b | 2359 | EOF |
e0ee487b L |
2360 | |
2361 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
92b93329 | 2362 | fragment <<EOF |
442996ee AM |
2363 | fprintf (file, _("\ |
2364 | -Bgroup Selects group name lookup rules for DSO\n")); | |
2365 | fprintf (file, _("\ | |
2366 | --disable-new-dtags Disable new dynamic tags\n")); | |
2367 | fprintf (file, _("\ | |
2368 | --enable-new-dtags Enable new dynamic tags\n")); | |
2369 | fprintf (file, _("\ | |
2370 | --eh-frame-hdr Create .eh_frame_hdr section\n")); | |
2371 | fprintf (file, _("\ | |
2372 | --hash-style=STYLE Set hash style to sysv, gnu or both\n")); | |
2373 | fprintf (file, _("\ | |
2374 | -z combreloc Merge dynamic relocs into one section and sort\n")); | |
2375 | fprintf (file, _("\ | |
2376 | -z defs Report unresolved symbols in object files.\n")); | |
2377 | fprintf (file, _("\ | |
2378 | -z execstack Mark executable as requiring executable stack\n")); | |
2379 | fprintf (file, _("\ | |
2380 | -z initfirst Mark DSO to be initialized first at runtime\n")); | |
2381 | fprintf (file, _("\ | |
2382 | -z interpose Mark object to interpose all DSOs but executable\n")); | |
2383 | fprintf (file, _("\ | |
2384 | -z lazy Mark object lazy runtime binding (default)\n")); | |
2385 | fprintf (file, _("\ | |
2386 | -z loadfltr Mark object requiring immediate process\n")); | |
2387 | fprintf (file, _("\ | |
2388 | -z muldefs Allow multiple definitions\n")); | |
2389 | fprintf (file, _("\ | |
2390 | -z nocombreloc Don't merge dynamic relocs into one section\n")); | |
2391 | fprintf (file, _("\ | |
2392 | -z nocopyreloc Don't create copy relocs\n")); | |
2393 | fprintf (file, _("\ | |
2394 | -z nodefaultlib Mark object not to use default search paths\n")); | |
2395 | fprintf (file, _("\ | |
2396 | -z nodelete Mark DSO non-deletable at runtime\n")); | |
2397 | fprintf (file, _("\ | |
2398 | -z nodlopen Mark DSO not available to dlopen\n")); | |
2399 | fprintf (file, _("\ | |
2400 | -z nodump Mark DSO not available to dldump\n")); | |
2401 | fprintf (file, _("\ | |
2402 | -z noexecstack Mark executable as not requiring executable stack\n")); | |
88b882e9 L |
2403 | EOF |
2404 | ||
2405 | if test -n "$COMMONPAGESIZE"; then | |
92b93329 | 2406 | fragment <<EOF |
442996ee AM |
2407 | fprintf (file, _("\ |
2408 | -z norelro Don't create RELRO program header\n")); | |
88b882e9 L |
2409 | EOF |
2410 | fi | |
2411 | ||
92b93329 | 2412 | fragment <<EOF |
442996ee AM |
2413 | fprintf (file, _("\ |
2414 | -z now Mark object non-lazy runtime binding\n")); | |
2415 | fprintf (file, _("\ | |
2416 | -z origin Mark object requiring immediate \$ORIGIN\n\ | |
2417 | processing at runtime\n")); | |
88b882e9 L |
2418 | EOF |
2419 | ||
2420 | if test -n "$COMMONPAGESIZE"; then | |
92b93329 | 2421 | fragment <<EOF |
442996ee AM |
2422 | fprintf (file, _("\ |
2423 | -z relro Create RELRO program header\n")); | |
88b882e9 L |
2424 | EOF |
2425 | fi | |
2426 | ||
92b93329 | 2427 | fragment <<EOF |
442996ee AM |
2428 | fprintf (file, _("\ |
2429 | -z max-page-size=SIZE Set maximum page size to SIZE\n")); | |
2430 | fprintf (file, _("\ | |
2431 | -z common-page-size=SIZE Set common page size to SIZE\n")); | |
2432 | fprintf (file, _("\ | |
2433 | -z KEYWORD Ignored for Solaris compatibility\n")); | |
e0ee487b L |
2434 | EOF |
2435 | fi | |
2436 | ||
2437 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
92b93329 | 2438 | fragment <<EOF |
e0ee487b L |
2439 | $PARSE_AND_LIST_OPTIONS |
2440 | EOF | |
2441 | fi | |
2442 | ||
92b93329 | 2443 | fragment <<EOF |
e0ee487b L |
2444 | } |
2445 | EOF | |
e0ee487b L |
2446 | |
2447 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
92b93329 | 2448 | fragment <<EOF |
e0ee487b L |
2449 | $PARSE_AND_LIST_EPILOGUE |
2450 | EOF | |
2451 | fi | |
41392f03 AM |
2452 | fi |
2453 | else | |
92b93329 | 2454 | fragment <<EOF |
3bcf5557 AM |
2455 | #define gld${EMULATION_NAME}_add_options NULL |
2456 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 2457 | EOF |
4b209b22 | 2458 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
92b93329 | 2459 | fragment <<EOF |
4b209b22 | 2460 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
2461 | EOF |
2462 | fi | |
2463 | fi | |
e0ee487b | 2464 | |
92b93329 | 2465 | fragment <<EOF |
252b5132 | 2466 | |
60bcf0fa | 2467 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2468 | { |
41392f03 AM |
2469 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2470 | ${LDEMUL_SYSLIB-syslib_default}, | |
2471 | ${LDEMUL_HLL-hll_default}, | |
2472 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
2473 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
eaeb0a9d | 2474 | ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, |
41392f03 AM |
2475 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
2476 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2477 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2478 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2479 | "${EMULATION_NAME}", |
2480 | "${OUTPUT_FORMAT}", | |
eaeb0a9d | 2481 | ${LDEMUL_FINISH-finish_default}, |
41392f03 AM |
2482 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2483 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2484 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2485 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2486 | ${LDEMUL_PARSE_ARGS-NULL}, |
2487 | gld${EMULATION_NAME}_add_options, | |
2488 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2489 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 2490 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 2491 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2492 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 2493 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
2494 | }; |
2495 | EOF |