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" |
252b5132 | 61 | |
0c7a8e5a AM |
62 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
63 | static void gld${EMULATION_NAME}_before_parse (void); | |
64 | static void gld${EMULATION_NAME}_after_open (void); | |
65 | static void gld${EMULATION_NAME}_before_allocation (void); | |
eaeb0a9d | 66 | static void gld${EMULATION_NAME}_after_allocation (void); |
c2edb4b8 | 67 | static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan |
8a99a385 | 68 | (asection *, const char *, int); |
41392f03 AM |
69 | EOF |
70 | ||
d3989512 JJ |
71 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
72 | case ${target} in | |
711c0baa | 73 | *-*-linux-* | *-*-k*bsd*-*) |
92b93329 | 74 | fragment <<EOF |
0b48acfe | 75 | #ifdef HAVE_GLOB |
d3989512 | 76 | #include <glob.h> |
0b48acfe | 77 | #endif |
d3989512 JJ |
78 | EOF |
79 | ;; | |
80 | esac | |
81 | fi | |
82 | ||
41392f03 AM |
83 | # Import any needed special functions and/or overrides. |
84 | # | |
92b93329 | 85 | source_em ${srcdir}/emultempl/elf-generic.em |
41392f03 | 86 | if test -n "$EXTRA_EM_FILE" ; then |
92b93329 | 87 | source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em |
41392f03 AM |
88 | fi |
89 | ||
f813923c | 90 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
91 | # variables. If the name of the overriding function is the same as is |
92 | # defined in this file, then don't output this file's version. | |
93 | # If a different overriding name is given then output the standard function | |
94 | # as presumably it is called from the overriding function. | |
95 | # | |
96 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
92b93329 | 97 | fragment <<EOF |
41392f03 | 98 | |
252b5132 | 99 | static void |
0c7a8e5a | 100 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 101 | { |
5e2f1575 | 102 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
b34976b6 AM |
103 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
104 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
105 | } |
106 | ||
41392f03 AM |
107 | EOF |
108 | fi | |
109 | ||
4a43e768 | 110 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
92b93329 | 111 | fragment <<EOF |
4a43e768 AM |
112 | /* Handle as_needed DT_NEEDED. */ |
113 | ||
114 | static bfd_boolean | |
115 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
116 | { | |
96d56e9f | 117 | int link_class = 0; |
4a43e768 AM |
118 | |
119 | /* Tell the ELF linker that we don't want the output file to have a | |
120 | DT_NEEDED entry for this file, unless it is used to resolve | |
121 | references in a regular object. */ | |
e56f61be | 122 | if (entry->as_needed) |
96d56e9f | 123 | link_class = DYN_AS_NEEDED; |
e56f61be L |
124 | |
125 | /* Tell the ELF linker that we don't want the output file to have a | |
126 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
127 | this file at all. */ | |
128 | if (!entry->add_needed) | |
96d56e9f | 129 | link_class |= DYN_NO_ADD_NEEDED; |
e56f61be | 130 | |
12b9ff6c L |
131 | if (entry->just_syms_flag |
132 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) | |
133 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
134 | entry->the_bfd); | |
135 | ||
96d56e9f | 136 | if (!link_class |
e56f61be L |
137 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) |
138 | return FALSE; | |
139 | ||
1e9cc1c2 NC |
140 | bfd_elf_set_dyn_lib_class (entry->the_bfd, |
141 | (enum dynamic_lib_link_class) link_class); | |
4a43e768 AM |
142 | |
143 | /* Continue on with normal load_symbols processing. */ | |
144 | return FALSE; | |
145 | } | |
146 | EOF | |
147 | fi | |
148 | ||
92b93329 | 149 | fragment <<EOF |
252b5132 RH |
150 | |
151 | /* These variables are required to pass information back and forth | |
152 | between after_open and check_needed and stat_needed and vercheck. */ | |
153 | ||
154 | static struct bfd_link_needed_list *global_needed; | |
155 | static struct stat global_stat; | |
e13629bc | 156 | static lang_input_statement_type *global_found; |
252b5132 | 157 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 158 | static bfd_boolean global_vercheck_failed; |
252b5132 | 159 | |
7ee314fa AM |
160 | /* These variables are used to implement target options */ |
161 | ||
162 | static char *audit; /* colon (typically) separated list of libs */ | |
163 | static char *depaudit; /* colon (typically) separated list of libs */ | |
252b5132 | 164 | |
04925e1e AM |
165 | /* On Linux, it's possible to have different versions of the same |
166 | shared library linked against different versions of libc. The | |
167 | dynamic linker somehow tags which libc version to use in | |
168 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
169 | executable, chooses which version of the shared library to use. | |
252b5132 | 170 | |
04925e1e AM |
171 | We try to do a similar check here by checking whether this shared |
172 | library needs any other shared libraries which may conflict with | |
173 | libraries we have already included in the link. If it does, we | |
174 | skip it, and try to find another shared library farther on down the | |
175 | link path. | |
252b5132 | 176 | |
04925e1e AM |
177 | This is called via lang_for_each_input_file. |
178 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 179 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 180 | a conflicting version. */ |
252b5132 | 181 | |
04925e1e | 182 | static void |
0c7a8e5a | 183 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 184 | { |
1c9acd94 | 185 | const char *soname; |
04925e1e | 186 | struct bfd_link_needed_list *l; |
252b5132 | 187 | |
04925e1e AM |
188 | if (global_vercheck_failed) |
189 | return; | |
190 | if (s->the_bfd == NULL | |
191 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
192 | return; | |
252b5132 | 193 | |
04925e1e AM |
194 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
195 | if (soname == NULL) | |
fed2999d | 196 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
197 | |
198 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
199 | { | |
200 | const char *suffix; | |
201 | ||
1c9acd94 | 202 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
203 | { |
204 | /* Probably can't happen, but it's an easy check. */ | |
205 | continue; | |
252b5132 RH |
206 | } |
207 | ||
04925e1e | 208 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
209 | continue; |
210 | ||
04925e1e AM |
211 | suffix = strstr (l->name, ".so."); |
212 | if (suffix == NULL) | |
213 | continue; | |
214 | ||
215 | suffix += sizeof ".so." - 1; | |
216 | ||
1c9acd94 | 217 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
218 | { |
219 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
220 | the object we are considering needs a dynamic object |
221 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
222 | appears to be a version mismatch, so we tell the caller | |
223 | to try a different version of this library. */ | |
b34976b6 | 224 | global_vercheck_failed = TRUE; |
04925e1e AM |
225 | return; |
226 | } | |
252b5132 RH |
227 | } |
228 | } | |
229 | ||
252b5132 | 230 | |
04925e1e AM |
231 | /* See if an input file matches a DT_NEEDED entry by running stat on |
232 | the file. */ | |
233 | ||
234 | static void | |
0c7a8e5a | 235 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 236 | { |
04925e1e AM |
237 | struct stat st; |
238 | const char *suffix; | |
239 | const char *soname; | |
252b5132 | 240 | |
e13629bc | 241 | if (global_found != NULL) |
04925e1e AM |
242 | return; |
243 | if (s->the_bfd == NULL) | |
244 | return; | |
e13629bc AM |
245 | |
246 | /* If this input file was an as-needed entry, and wasn't found to be | |
247 | needed at the stage it was linked, then don't say we have loaded it. */ | |
248 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 249 | return; |
04925e1e AM |
250 | |
251 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 252 | { |
04925e1e AM |
253 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
254 | return; | |
255 | } | |
252b5132 | 256 | |
9eabd475 ZW |
257 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
258 | st_ino; they always set it to zero. (Windows does provide a | |
259 | meaningful st_dev.) Do not indicate a duplicate library in that | |
260 | case. While there is no guarantee that a system that provides | |
261 | meaningful inode numbers will never set st_ino to zero, this is | |
262 | merely an optimization, so we do not need to worry about false | |
263 | negatives. */ | |
04925e1e | 264 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
265 | && st.st_ino == global_stat.st_ino |
266 | && st.st_ino != 0) | |
04925e1e | 267 | { |
e13629bc | 268 | global_found = s; |
04925e1e AM |
269 | return; |
270 | } | |
252b5132 | 271 | |
04925e1e AM |
272 | /* We issue a warning if it looks like we are including two |
273 | different versions of the same shared library. For example, | |
274 | there may be a problem if -lc picks up libc.so.6 but some other | |
275 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 276 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
277 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
278 | If we really want to issue warnings about mixing version numbers | |
279 | of shared libraries, we need to find a better way. */ | |
252b5132 | 280 | |
04925e1e AM |
281 | if (strchr (global_needed->name, '/') != NULL) |
282 | return; | |
283 | suffix = strstr (global_needed->name, ".so."); | |
284 | if (suffix == NULL) | |
285 | return; | |
286 | suffix += sizeof ".so." - 1; | |
252b5132 | 287 | |
04925e1e AM |
288 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
289 | if (soname == NULL) | |
fed2999d | 290 | soname = lbasename (s->filename); |
252b5132 | 291 | |
cde43e70 | 292 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 293 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 294 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
295 | } |
296 | ||
e56f61be L |
297 | struct dt_needed |
298 | { | |
299 | bfd *by; | |
300 | const char *name; | |
301 | }; | |
04925e1e | 302 | |
252b5132 RH |
303 | /* This function is called for each possible name for a dynamic object |
304 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
305 | to skip the check for a conflicting version. */ | |
306 | ||
b34976b6 | 307 | static bfd_boolean |
e56f61be L |
308 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
309 | int force) | |
252b5132 RH |
310 | { |
311 | bfd *abfd; | |
e56f61be | 312 | const char *name = needed->name; |
ec4eb78a | 313 | const char *soname; |
96d56e9f | 314 | int link_class; |
252b5132 | 315 | |
f13a99db | 316 | abfd = bfd_openr (name, bfd_get_target (link_info.output_bfd)); |
252b5132 | 317 | if (abfd == NULL) |
b34976b6 | 318 | return FALSE; |
252b5132 RH |
319 | if (! bfd_check_format (abfd, bfd_object)) |
320 | { | |
cde43e70 | 321 | bfd_close (abfd); |
b34976b6 | 322 | return FALSE; |
252b5132 RH |
323 | } |
324 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
325 | { | |
cde43e70 | 326 | bfd_close (abfd); |
b34976b6 | 327 | return FALSE; |
252b5132 RH |
328 | } |
329 | ||
c4bb8067 | 330 | /* For DT_NEEDED, they have to match. */ |
f13a99db | 331 | if (abfd->xvec != link_info.output_bfd->xvec) |
c4bb8067 L |
332 | { |
333 | bfd_close (abfd); | |
b34976b6 | 334 | return FALSE; |
c4bb8067 L |
335 | } |
336 | ||
252b5132 RH |
337 | /* Check whether this object would include any conflicting library |
338 | versions. If FORCE is set, then we skip this check; we use this | |
339 | the second time around, if we couldn't find any compatible | |
340 | instance of the shared library. */ | |
341 | ||
342 | if (! force) | |
343 | { | |
344 | struct bfd_link_needed_list *needed; | |
345 | ||
346 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
347 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
348 | ||
349 | if (needed != NULL) | |
350 | { | |
351 | global_vercheck_needed = needed; | |
b34976b6 | 352 | global_vercheck_failed = FALSE; |
252b5132 RH |
353 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
354 | if (global_vercheck_failed) | |
355 | { | |
cde43e70 | 356 | bfd_close (abfd); |
b34976b6 | 357 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 358 | another file on the search path. */ |
b34976b6 | 359 | return FALSE; |
252b5132 RH |
360 | } |
361 | ||
362 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
363 | library does not use libc at all, we are supposed to skip |
364 | it the first time around in case we encounter a shared | |
365 | library later on with the same name which does use the | |
366 | version of libc that we want. This is much too horrible | |
367 | to use on any system other than Linux. */ | |
252b5132 RH |
368 | |
369 | EOF | |
370 | case ${target} in | |
711c0baa | 371 | *-*-linux-* | *-*-k*bsd*-*) |
92b93329 | 372 | fragment <<EOF |
252b5132 RH |
373 | { |
374 | struct bfd_link_needed_list *l; | |
375 | ||
376 | for (l = needed; l != NULL; l = l->next) | |
0112cd26 | 377 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
378 | break; |
379 | if (l == NULL) | |
380 | { | |
cde43e70 | 381 | bfd_close (abfd); |
b34976b6 | 382 | return FALSE; |
252b5132 RH |
383 | } |
384 | } | |
385 | ||
386 | EOF | |
387 | ;; | |
388 | esac | |
92b93329 | 389 | fragment <<EOF |
252b5132 RH |
390 | } |
391 | } | |
392 | ||
393 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
394 | ||
04925e1e AM |
395 | /* We have already checked that there is no other input file of the |
396 | same name. We must now check again that we are not including the | |
397 | same file twice. We need to do this because on many systems | |
398 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
399 | reference libc.so.1. If we have already included libc.so, we | |
400 | don't want to include libc.so.1 if they are the same file, and we | |
401 | can only check that using stat. */ | |
402 | ||
403 | if (bfd_stat (abfd, &global_stat) != 0) | |
404 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
405 | |
406 | /* First strip off everything before the last '/'. */ | |
fed2999d | 407 | soname = lbasename (abfd->filename); |
ec4eb78a L |
408 | |
409 | if (trace_file_tries) | |
410 | info_msg (_("found %s at %s\n"), soname, name); | |
411 | ||
e13629bc | 412 | global_found = NULL; |
04925e1e | 413 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 414 | if (global_found != NULL) |
04925e1e | 415 | { |
b34976b6 | 416 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 417 | we aren't going to do anything with it. */ |
b34976b6 | 418 | return TRUE; |
04925e1e AM |
419 | } |
420 | ||
4a43e768 AM |
421 | /* Specify the soname to use. */ |
422 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 423 | |
4a43e768 AM |
424 | /* Tell the ELF linker that we don't want the output file to have a |
425 | DT_NEEDED entry for this file, unless it is used to resolve | |
426 | references in a regular object. */ | |
96d56e9f | 427 | link_class = DYN_DT_NEEDED; |
e56f61be L |
428 | |
429 | /* Tell the ELF linker that we don't want the output file to have a | |
430 | DT_NEEDED entry for this file at all if the entry is from a file | |
431 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
432 | if (needed->by != NULL |
433 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
96d56e9f | 434 | link_class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
e56f61be | 435 | |
1e9cc1c2 | 436 | bfd_elf_set_dyn_lib_class (abfd, (enum dynamic_lib_link_class) link_class); |
04925e1e AM |
437 | |
438 | /* Add this file into the symbol table. */ | |
439 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
440 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
441 | ||
b34976b6 | 442 | return TRUE; |
04925e1e AM |
443 | } |
444 | ||
445 | ||
446 | /* Search for a needed file in a path. */ | |
447 | ||
b34976b6 | 448 | static bfd_boolean |
e56f61be L |
449 | gld${EMULATION_NAME}_search_needed (const char *path, |
450 | struct dt_needed *n, int force) | |
04925e1e AM |
451 | { |
452 | const char *s; | |
e56f61be | 453 | const char *name = n->name; |
04925e1e | 454 | size_t len; |
e56f61be | 455 | struct dt_needed needed; |
04925e1e | 456 | |
cc5ce052 | 457 | if (name[0] == '/') |
e56f61be | 458 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 459 | |
04925e1e | 460 | if (path == NULL || *path == '\0') |
b34976b6 | 461 | return FALSE; |
e56f61be L |
462 | |
463 | needed.by = n->by; | |
464 | needed.name = n->name; | |
465 | ||
04925e1e AM |
466 | len = strlen (name); |
467 | while (1) | |
468 | { | |
469 | char *filename, *sset; | |
470 | ||
c76308d2 | 471 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
472 | if (s == NULL) |
473 | s = path + strlen (path); | |
474 | ||
475 | filename = (char *) xmalloc (s - path + len + 2); | |
476 | if (s == path) | |
477 | sset = filename; | |
478 | else | |
479 | { | |
480 | memcpy (filename, path, s - path); | |
481 | filename[s - path] = '/'; | |
482 | sset = filename + (s - path) + 1; | |
483 | } | |
484 | strcpy (sset, name); | |
485 | ||
e56f61be L |
486 | needed.name = filename; |
487 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 488 | return TRUE; |
04925e1e AM |
489 | |
490 | free (filename); | |
491 | ||
492 | if (*s == '\0') | |
493 | break; | |
494 | path = s + 1; | |
495 | } | |
496 | ||
b34976b6 | 497 | return FALSE; |
04925e1e AM |
498 | } |
499 | ||
500 | EOF | |
9c8ebd6a | 501 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 502 | fragment <<EOF |
9c8ebd6a | 503 | |
c76308d2 RS |
504 | /* Add the sysroot to every entry in a path separated by |
505 | config.rpath_separator. */ | |
9c8ebd6a DJ |
506 | |
507 | static char * | |
0c7a8e5a | 508 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
509 | { |
510 | int len, colons, i; | |
511 | char *ret, *p; | |
512 | ||
513 | len = strlen (path); | |
514 | colons = 0; | |
515 | i = 0; | |
516 | while (path[i]) | |
c76308d2 | 517 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
518 | colons++; |
519 | ||
520 | if (path[i]) | |
521 | colons++; | |
522 | ||
42644a89 | 523 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
524 | ret = xmalloc (len + 1); |
525 | strcpy (ret, ld_sysroot); | |
526 | p = ret + strlen (ret); | |
527 | i = 0; | |
528 | while (path[i]) | |
c76308d2 | 529 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 530 | { |
0c7a8e5a | 531 | *p++ = path[i++]; |
9c8ebd6a DJ |
532 | strcpy (p, ld_sysroot); |
533 | p = p + strlen (p); | |
9c8ebd6a DJ |
534 | } |
535 | else | |
536 | *p++ = path[i++]; | |
537 | ||
538 | *p = 0; | |
539 | return ret; | |
540 | } | |
04925e1e | 541 | |
3dc16cab DJ |
542 | EOF |
543 | case ${target} in | |
ebe1fac1 | 544 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 545 | fragment <<EOF |
ebe1fac1 NC |
546 | /* Read the system search path the FreeBSD way rather than the Linux way. */ |
547 | #ifdef HAVE_ELF_HINTS_H | |
548 | #include <elf-hints.h> | |
549 | #else | |
550 | #include "elf-hints-local.h" | |
551 | #endif | |
552 | ||
553 | static bfd_boolean | |
554 | gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force) | |
555 | { | |
556 | static bfd_boolean initialized; | |
557 | static char *ld_elf_hints; | |
558 | struct dt_needed needed; | |
559 | ||
560 | if (!initialized) | |
561 | { | |
562 | FILE *f; | |
563 | char *tmppath; | |
564 | ||
ff7a0acf | 565 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, (const char *) NULL); |
ebe1fac1 NC |
566 | f = fopen (tmppath, FOPEN_RB); |
567 | free (tmppath); | |
568 | if (f != NULL) | |
569 | { | |
570 | struct elfhints_hdr hdr; | |
571 | ||
572 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
573 | && hdr.magic == ELFHINTS_MAGIC | |
574 | && hdr.version == 1) | |
575 | { | |
576 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
577 | { | |
578 | char *b; | |
579 | ||
580 | b = xmalloc (hdr.dirlistlen + 1); | |
581 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
582 | hdr.dirlistlen + 1) | |
583 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 584 | |
ebe1fac1 NC |
585 | free (b); |
586 | } | |
587 | } | |
588 | fclose (f); | |
589 | } | |
590 | ||
591 | initialized = TRUE; | |
592 | } | |
593 | ||
594 | if (ld_elf_hints == NULL) | |
595 | return FALSE; | |
596 | ||
597 | needed.by = NULL; | |
598 | needed.name = name; | |
599 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed, | |
e13629bc | 600 | force); |
ebe1fac1 NC |
601 | } |
602 | EOF | |
603 | # FreeBSD | |
604 | ;; | |
605 | ||
711c0baa | 606 | *-*-linux-* | *-*-k*bsd*-*) |
92b93329 | 607 | fragment <<EOF |
04925e1e AM |
608 | /* For a native linker, check the file /etc/ld.so.conf for directories |
609 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 610 | only meaningful on Linux. */ |
04925e1e | 611 | |
d3989512 | 612 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 613 | { |
d3989512 JJ |
614 | char *path; |
615 | size_t len, alloc; | |
616 | }; | |
04925e1e | 617 | |
dfcffada | 618 | static bfd_boolean |
d3989512 JJ |
619 | gld${EMULATION_NAME}_parse_ld_so_conf |
620 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
621 | ||
622 | static void | |
623 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
624 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
625 | const char *pattern) | |
626 | { | |
627 | char *newp = NULL; | |
0b48acfe | 628 | #ifdef HAVE_GLOB |
d3989512 | 629 | glob_t gl; |
0b48acfe | 630 | #endif |
d3989512 JJ |
631 | |
632 | if (pattern[0] != '/') | |
04925e1e | 633 | { |
d3989512 JJ |
634 | char *p = strrchr (filename, '/'); |
635 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 636 | |
d3989512 JJ |
637 | newp = xmalloc (p - filename + 1 + patlen); |
638 | memcpy (newp, filename, p - filename + 1); | |
639 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
640 | pattern = newp; | |
641 | } | |
04925e1e | 642 | |
0b48acfe | 643 | #ifdef HAVE_GLOB |
d3989512 JJ |
644 | if (glob (pattern, 0, NULL, &gl) == 0) |
645 | { | |
646 | size_t i; | |
647 | ||
648 | for (i = 0; i < gl.gl_pathc; ++i) | |
649 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
650 | globfree (&gl); | |
651 | } | |
0b48acfe MM |
652 | #else |
653 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
654 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
655 | #endif | |
d3989512 JJ |
656 | |
657 | if (newp) | |
658 | free (newp); | |
659 | } | |
660 | ||
dfcffada | 661 | static bfd_boolean |
d3989512 JJ |
662 | gld${EMULATION_NAME}_parse_ld_so_conf |
663 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
664 | { | |
665 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
666 | char *line; |
667 | size_t linelen; | |
d3989512 JJ |
668 | |
669 | if (f == NULL) | |
dfcffada | 670 | return FALSE; |
d3989512 | 671 | |
563f4125 JJ |
672 | linelen = 256; |
673 | line = xmalloc (linelen); | |
674 | do | |
d3989512 | 675 | { |
563f4125 JJ |
676 | char *p = line, *q; |
677 | ||
678 | /* Normally this would use getline(3), but we need to be portable. */ | |
679 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
680 | && strlen (q) == linelen - (p - line) - 1 | |
681 | && line[linelen - 2] != '\n') | |
682 | { | |
683 | line = xrealloc (line, 2 * linelen); | |
684 | p = line + linelen - 1; | |
685 | linelen += linelen; | |
686 | } | |
687 | ||
688 | if (q == NULL && p == line) | |
689 | break; | |
d3989512 JJ |
690 | |
691 | p = strchr (line, '\n'); | |
692 | if (p) | |
693 | *p = '\0'; | |
694 | ||
695 | /* Because the file format does not know any form of quoting we | |
696 | can search forward for the next '#' character and if found | |
697 | make it terminating the line. */ | |
698 | p = strchr (line, '#'); | |
699 | if (p) | |
700 | *p = '\0'; | |
701 | ||
702 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
703 | p = line; | |
704 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
705 | ++p; | |
706 | ||
707 | /* If the line is blank it is ignored. */ | |
708 | if (p[0] == '\0') | |
709 | continue; | |
04925e1e | 710 | |
0112cd26 | 711 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
712 | { |
713 | char *dir, c; | |
714 | p += 8; | |
715 | do | |
04925e1e | 716 | { |
d3989512 JJ |
717 | while (*p == ' ' || *p == '\t') |
718 | ++p; | |
04925e1e | 719 | |
d3989512 JJ |
720 | if (*p == '\0') |
721 | break; | |
252b5132 | 722 | |
d3989512 JJ |
723 | dir = p; |
724 | ||
725 | while (*p != ' ' && *p != '\t' && *p) | |
726 | ++p; | |
727 | ||
728 | c = *p; | |
729 | *p++ = '\0'; | |
730 | if (dir[0] != '\0') | |
731 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
732 | dir); | |
733 | } | |
734 | while (c != '\0'); | |
735 | } | |
736 | else | |
737 | { | |
738 | char *dir = p; | |
739 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
740 | && *p != '\r' && *p != '\v') | |
741 | ++p; | |
742 | ||
743 | while (p != dir && p[-1] == '/') | |
744 | --p; | |
745 | if (info->path == NULL) | |
746 | { | |
747 | info->alloc = p - dir + 1 + 256; | |
748 | info->path = xmalloc (info->alloc); | |
749 | info->len = 0; | |
750 | } | |
04925e1e AM |
751 | else |
752 | { | |
d3989512 JJ |
753 | if (info->len + 1 + (p - dir) >= info->alloc) |
754 | { | |
755 | info->alloc += p - dir + 256; | |
756 | info->path = xrealloc (info->path, info->alloc); | |
757 | } | |
c76308d2 | 758 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 759 | } |
d3989512 JJ |
760 | memcpy (info->path + info->len, dir, p - dir); |
761 | info->len += p - dir; | |
762 | info->path[info->len] = '\0'; | |
763 | } | |
764 | } | |
563f4125 | 765 | while (! feof (f)); |
d3989512 JJ |
766 | free (line); |
767 | fclose (f); | |
dfcffada | 768 | return TRUE; |
d3989512 | 769 | } |
252b5132 | 770 | |
d3989512 JJ |
771 | static bfd_boolean |
772 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
773 | { | |
774 | static bfd_boolean initialized; | |
775 | static char *ld_so_conf; | |
776 | struct dt_needed needed; | |
252b5132 | 777 | |
d3989512 JJ |
778 | if (! initialized) |
779 | { | |
780 | char *tmppath; | |
781 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 782 | |
d3989512 JJ |
783 | info.path = NULL; |
784 | info.len = info.alloc = 0; | |
ff7a0acf AM |
785 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", |
786 | (const char *) NULL); | |
dfcffada AM |
787 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) |
788 | { | |
789 | free (tmppath); | |
ff7a0acf AM |
790 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", |
791 | (const char *) NULL); | |
dfcffada AM |
792 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); |
793 | } | |
d3989512 | 794 | free (tmppath); |
dfcffada | 795 | |
d3989512 JJ |
796 | if (info.path) |
797 | { | |
798 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
799 | free (info.path); | |
800 | ld_so_conf = d; | |
04925e1e | 801 | } |
b34976b6 | 802 | initialized = TRUE; |
04925e1e | 803 | } |
49e56c49 | 804 | |
04925e1e | 805 | if (ld_so_conf == NULL) |
b34976b6 | 806 | return FALSE; |
252b5132 | 807 | |
e56f61be L |
808 | |
809 | needed.by = NULL; | |
810 | needed.name = name; | |
811 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
812 | } |
813 | ||
04925e1e | 814 | EOF |
9c8ebd6a DJ |
815 | # Linux |
816 | ;; | |
04925e1e AM |
817 | esac |
818 | fi | |
92b93329 | 819 | fragment <<EOF |
04925e1e | 820 | |
252b5132 RH |
821 | /* See if an input file matches a DT_NEEDED entry by name. */ |
822 | ||
823 | static void | |
0c7a8e5a | 824 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 825 | { |
e13629bc AM |
826 | const char *soname; |
827 | ||
828 | /* Stop looking if we've found a loaded lib. */ | |
829 | if (global_found != NULL | |
830 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
831 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
832 | return; |
833 | ||
e13629bc AM |
834 | if (s->filename == NULL || s->the_bfd == NULL) |
835 | return; | |
836 | ||
837 | /* Don't look for a second non-loaded as-needed lib. */ | |
838 | if (global_found != NULL | |
839 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
840 | return; |
841 | ||
e13629bc | 842 | if (strcmp (s->filename, global_needed->name) == 0) |
252b5132 | 843 | { |
e13629bc AM |
844 | global_found = s; |
845 | return; | |
846 | } | |
577a0623 | 847 | |
e13629bc AM |
848 | if (s->search_dirs_flag) |
849 | { | |
850 | const char *f = strrchr (s->filename, '/'); | |
851 | if (f != NULL | |
852 | && strcmp (f + 1, global_needed->name) == 0) | |
577a0623 | 853 | { |
e13629bc | 854 | global_found = s; |
577a0623 AM |
855 | return; |
856 | } | |
252b5132 RH |
857 | } |
858 | ||
e13629bc AM |
859 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
860 | if (soname != NULL | |
861 | && strcmp (soname, global_needed->name) == 0) | |
252b5132 | 862 | { |
e13629bc AM |
863 | global_found = s; |
864 | return; | |
252b5132 | 865 | } |
252b5132 RH |
866 | } |
867 | ||
41392f03 AM |
868 | EOF |
869 | ||
870 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
92b93329 | 871 | fragment <<EOF |
04925e1e | 872 | |
24382dca RM |
873 | static bfd_size_type |
874 | gld${EMULATION_NAME}_id_note_section_size (bfd *abfd, | |
875 | struct bfd_link_info *link_info) | |
876 | { | |
877 | const char *style = link_info->emit_note_gnu_build_id; | |
878 | bfd_size_type size; | |
879 | ||
880 | abfd = abfd; | |
881 | ||
882 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); | |
883 | size = (size + 3) & -(bfd_size_type) 4; | |
884 | ||
885 | if (!strcmp (style, "md5") || !strcmp (style, "uuid")) | |
886 | size += 128 / 8; | |
887 | else if (!strcmp (style, "sha1")) | |
888 | size += 160 / 8; | |
889 | else if (!strncmp (style, "0x", 2)) | |
890 | { | |
891 | /* ID is in string form (hex). Convert to bits. */ | |
892 | const char *id = style + 2; | |
893 | do | |
894 | { | |
895 | if (ISXDIGIT (id[0]) && ISXDIGIT (id[1])) | |
896 | { | |
897 | ++size; | |
898 | id += 2; | |
899 | } | |
900 | else if (*id == '-' || *id == ':') | |
901 | ++id; | |
902 | else | |
903 | { | |
904 | size = 0; | |
905 | break; | |
906 | } | |
907 | } while (*id != '\0'); | |
908 | } | |
909 | else | |
910 | size = 0; | |
911 | ||
912 | return size; | |
913 | } | |
914 | ||
915 | static unsigned char | |
916 | read_hex (const char xdigit) | |
917 | { | |
918 | if (ISDIGIT (xdigit)) | |
919 | return xdigit - '0'; | |
920 | if (ISUPPER (xdigit)) | |
921 | return xdigit - 'A' + 0xa; | |
922 | if (ISLOWER (xdigit)) | |
923 | return xdigit - 'a' + 0xa; | |
924 | abort (); | |
925 | return 0; | |
926 | } | |
927 | ||
928 | struct build_id_info | |
929 | { | |
930 | const char *style; | |
931 | asection *sec; | |
932 | }; | |
933 | ||
934 | static bfd_boolean | |
935 | gld${EMULATION_NAME}_write_build_id_section (bfd *abfd) | |
936 | { | |
937 | const struct elf_backend_data *bed = get_elf_backend_data (abfd); | |
1e9cc1c2 | 938 | struct build_id_info *info = (struct build_id_info *) |
24382dca RM |
939 | elf_tdata (abfd)->after_write_object_contents_info; |
940 | asection *asec; | |
941 | Elf_Internal_Shdr *i_shdr; | |
942 | unsigned char *contents, *id_bits; | |
943 | bfd_size_type size; | |
944 | Elf_External_Note *e_note; | |
945 | ||
946 | asec = info->sec; | |
83e4970b | 947 | if (bfd_is_abs_section (asec->output_section)) |
24382dca | 948 | { |
83e4970b AM |
949 | einfo (_("%P: warning: .note.gnu.build-id section discarded," |
950 | " --build-id ignored.\n")); | |
951 | return TRUE; | |
24382dca RM |
952 | } |
953 | i_shdr = &elf_section_data (asec->output_section)->this_hdr; | |
954 | ||
955 | if (i_shdr->contents == NULL) | |
956 | { | |
b2ff8454 | 957 | if (asec->contents == NULL) |
1e9cc1c2 | 958 | asec->contents = (unsigned char *) xmalloc (asec->size); |
b2ff8454 | 959 | contents = asec->contents; |
24382dca | 960 | } |
b2ff8454 RM |
961 | else |
962 | contents = i_shdr->contents + asec->output_offset; | |
24382dca | 963 | |
1e9cc1c2 | 964 | e_note = (Elf_External_Note *) contents; |
24382dca RM |
965 | size = offsetof (Elf_External_Note, name[sizeof "GNU"]); |
966 | size = (size + 3) & -(bfd_size_type) 4; | |
967 | id_bits = contents + size; | |
968 | size = asec->size - size; | |
969 | ||
970 | bfd_h_put_32 (abfd, sizeof "GNU", &e_note->namesz); | |
971 | bfd_h_put_32 (abfd, size, &e_note->descsz); | |
972 | bfd_h_put_32 (abfd, NT_GNU_BUILD_ID, &e_note->type); | |
973 | memcpy (e_note->name, "GNU", sizeof "GNU"); | |
974 | ||
975 | if (!strcmp (info->style, "md5")) | |
976 | { | |
977 | struct md5_ctx ctx; | |
978 | md5_init_ctx (&ctx); | |
979 | if (bed->s->checksum_contents (abfd, | |
980 | (void (*) (const void *, size_t, void *)) | |
981 | &md5_process_bytes, | |
982 | &ctx)) | |
983 | md5_finish_ctx (&ctx, id_bits); | |
984 | else | |
985 | return FALSE; | |
986 | } | |
987 | else if (!strcmp (info->style, "sha1")) | |
988 | { | |
989 | struct sha1_ctx ctx; | |
990 | sha1_init_ctx (&ctx); | |
991 | if (bed->s->checksum_contents (abfd, | |
992 | (void (*) (const void *, size_t, void *)) | |
993 | &sha1_process_bytes, | |
994 | &ctx)) | |
995 | sha1_finish_ctx (&ctx, id_bits); | |
996 | else | |
997 | return FALSE; | |
998 | } | |
999 | else if (!strcmp (info->style, "uuid")) | |
1000 | { | |
1001 | int n; | |
1002 | int fd = open ("/dev/urandom", O_RDONLY); | |
1003 | if (fd < 0) | |
1004 | return FALSE; | |
1005 | n = read (fd, id_bits, size); | |
1006 | close (fd); | |
1007 | if (n < (int) size) | |
1008 | return FALSE; | |
1009 | } | |
1010 | else if (!strncmp (info->style, "0x", 2)) | |
1011 | { | |
1012 | /* ID is in string form (hex). Convert to bits. */ | |
1013 | const char *id = info->style + 2; | |
1014 | size_t n = 0; | |
1015 | do | |
1016 | { | |
1017 | if (ISXDIGIT (id[0]) && ISXDIGIT (id[1])) | |
1018 | { | |
1019 | id_bits[n] = read_hex (*id++) << 4; | |
1020 | id_bits[n++] |= read_hex (*id++); | |
1021 | } | |
1022 | else if (*id == '-' || *id == ':') | |
1023 | ++id; | |
1024 | else | |
1025 | abort (); /* Should have been validated earlier. */ | |
1026 | } while (*id != '\0'); | |
1027 | } | |
1028 | else | |
1029 | abort (); /* Should have been validated earlier. */ | |
1030 | ||
b2ff8454 RM |
1031 | size = asec->size; |
1032 | return (bfd_seek (abfd, | |
1033 | i_shdr->sh_offset + asec->output_offset, SEEK_SET) == 0 | |
1034 | && bfd_bwrite (contents, size, abfd) == size); | |
24382dca RM |
1035 | } |
1036 | ||
1037 | ||
04925e1e | 1038 | /* This is called after all the input files have been opened. */ |
252b5132 RH |
1039 | |
1040 | static void | |
0c7a8e5a | 1041 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 1042 | { |
04925e1e | 1043 | struct bfd_link_needed_list *needed, *l; |
d10e7fcc AM |
1044 | struct elf_link_hash_table *htab; |
1045 | ||
1046 | htab = elf_hash_table (&link_info); | |
1047 | if (!is_elf_hash_table (htab)) | |
1048 | return; | |
252b5132 | 1049 | |
c0065db7 RM |
1050 | if (link_info.emit_note_gnu_build_id) |
1051 | { | |
1052 | bfd *abfd; | |
1053 | asection *s; | |
1054 | bfd_size_type size; | |
1055 | ||
1056 | abfd = link_info.input_bfds; | |
1057 | ||
e9e0a58e | 1058 | if (abfd == NULL) |
c0065db7 | 1059 | { |
e9e0a58e NC |
1060 | /* PR 10555: If there are no input files do not |
1061 | try to create a .note.gnu-build-id section. */ | |
c0065db7 RM |
1062 | free (link_info.emit_note_gnu_build_id); |
1063 | link_info.emit_note_gnu_build_id = NULL; | |
1064 | } | |
1065 | else | |
1066 | { | |
e9e0a58e NC |
1067 | size = gld${EMULATION_NAME}_id_note_section_size (abfd, &link_info); |
1068 | if (size == 0) | |
c0065db7 | 1069 | { |
e9e0a58e NC |
1070 | einfo ("%P: warning: unrecognized --build-id style ignored.\n"); |
1071 | free (link_info.emit_note_gnu_build_id); | |
1072 | link_info.emit_note_gnu_build_id = NULL; | |
c0065db7 RM |
1073 | } |
1074 | else | |
1075 | { | |
e9e0a58e NC |
1076 | s = bfd_make_section_with_flags (abfd, ".note.gnu.build-id", |
1077 | SEC_ALLOC | SEC_LOAD | |
1078 | | SEC_IN_MEMORY | SEC_LINKER_CREATED | |
1079 | | SEC_READONLY | SEC_DATA); | |
1080 | if (s != NULL && bfd_set_section_alignment (abfd, s, 2)) | |
1081 | { | |
1082 | struct elf_obj_tdata *t = elf_tdata (link_info.output_bfd); | |
1e9cc1c2 NC |
1083 | struct build_id_info *b = |
1084 | (struct build_id_info *) xmalloc (sizeof *b); | |
e9e0a58e NC |
1085 | |
1086 | b->style = link_info.emit_note_gnu_build_id; | |
1087 | b->sec = s; | |
1088 | elf_section_type (s) = SHT_NOTE; | |
1089 | s->size = size; | |
1090 | t->after_write_object_contents | |
1091 | = &gld${EMULATION_NAME}_write_build_id_section; | |
1092 | t->after_write_object_contents_info = b; | |
1093 | } | |
1094 | else | |
1095 | { | |
1096 | einfo ("%P: warning: Cannot create .note.gnu.build-id section," | |
1097 | " --build-id ignored.\n"); | |
1098 | free (link_info.emit_note_gnu_build_id); | |
1099 | link_info.emit_note_gnu_build_id = NULL; | |
1100 | } | |
c0065db7 RM |
1101 | } |
1102 | } | |
1103 | } | |
1104 | ||
d10e7fcc AM |
1105 | if (link_info.relocatable) |
1106 | return; | |
1107 | ||
eb3d5f3b | 1108 | if (link_info.eh_frame_hdr |
d10e7fcc | 1109 | && !link_info.traditional_format) |
eb3d5f3b | 1110 | { |
d10e7fcc AM |
1111 | bfd *abfd; |
1112 | asection *s; | |
eb3d5f3b | 1113 | |
d10e7fcc | 1114 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) |
eb3d5f3b | 1115 | { |
d10e7fcc AM |
1116 | s = bfd_get_section_by_name (abfd, ".eh_frame"); |
1117 | if (s && s->size > 8 && !bfd_is_abs_section (s->output_section)) | |
1118 | break; | |
1119 | } | |
1120 | if (abfd) | |
1121 | { | |
1122 | const struct elf_backend_data *bed; | |
1123 | ||
1124 | bed = get_elf_backend_data (abfd); | |
1125 | s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr", | |
1126 | bed->dynamic_sec_flags | |
1127 | | SEC_READONLY); | |
1128 | if (s != NULL | |
1129 | && bfd_set_section_alignment (abfd, s, 2)) | |
1130 | htab->eh_info.hdr_sec = s; | |
1131 | else | |
1132 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
1133 | " --eh-frame-hdr ignored.\n"); | |
eb3d5f3b JB |
1134 | } |
1135 | } | |
1136 | ||
04925e1e AM |
1137 | /* Get the list of files which appear in DT_NEEDED entries in |
1138 | dynamic objects included in the link (often there will be none). | |
1139 | For each such file, we want to track down the corresponding | |
1140 | library, and include the symbol table in the link. This is what | |
1141 | the runtime dynamic linker will do. Tracking the files down here | |
1142 | permits one dynamic object to include another without requiring | |
1143 | special action by the person doing the link. Note that the | |
1144 | needed list can actually grow while we are stepping through this | |
1145 | loop. */ | |
d10e7fcc AM |
1146 | if (!link_info.executable) |
1147 | return; | |
f13a99db | 1148 | needed = bfd_elf_get_needed_list (link_info.output_bfd, &link_info); |
04925e1e | 1149 | for (l = needed; l != NULL; l = l->next) |
252b5132 | 1150 | { |
04925e1e | 1151 | struct bfd_link_needed_list *ll; |
e56f61be | 1152 | struct dt_needed n, nn; |
04925e1e | 1153 | int force; |
252b5132 | 1154 | |
7e9f0867 AM |
1155 | /* If the lib that needs this one was --as-needed and wasn't |
1156 | found to be needed, then this lib isn't needed either. */ | |
1157 | if (l->by != NULL | |
1158 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) | |
1159 | continue; | |
1160 | ||
04925e1e AM |
1161 | /* If we've already seen this file, skip it. */ |
1162 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
1163 | if ((ll->by == NULL |
1164 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
1165 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
1166 | break; |
1167 | if (ll != l) | |
1168 | continue; | |
252b5132 | 1169 | |
04925e1e AM |
1170 | /* See if this file was included in the link explicitly. */ |
1171 | global_needed = l; | |
e13629bc | 1172 | global_found = NULL; |
04925e1e | 1173 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
1174 | if (global_found != NULL |
1175 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
1176 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 1177 | continue; |
252b5132 | 1178 | |
e56f61be L |
1179 | n.by = l->by; |
1180 | n.name = l->name; | |
1181 | nn.by = l->by; | |
ec4eb78a L |
1182 | if (trace_file_tries) |
1183 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
1184 | ||
e13629bc AM |
1185 | /* As-needed libs specified on the command line (or linker script) |
1186 | take priority over libs found in search dirs. */ | |
1187 | if (global_found != NULL) | |
1188 | { | |
1189 | nn.name = global_found->filename; | |
1190 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
1191 | continue; | |
1192 | } | |
1193 | ||
04925e1e AM |
1194 | /* We need to find this file and include the symbol table. We |
1195 | want to search for the file in the same way that the dynamic | |
1196 | linker will search. That means that we want to use | |
1197 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
1198 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
1199 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
1200 | We do not search using the -L arguments. | |
252b5132 | 1201 | |
04925e1e AM |
1202 | We search twice. The first time, we skip objects which may |
1203 | introduce version mismatches. The second time, we force | |
1204 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
1205 | for (force = 0; force < 2; force++) | |
1206 | { | |
04925e1e AM |
1207 | size_t len; |
1208 | search_dirs_type *search; | |
6dd8c765 | 1209 | EOF |
ff925e69 | 1210 | if [ "x${NATIVE}" = xyes ] ; then |
92b93329 | 1211 | fragment <<EOF |
dcb0bd0e | 1212 | const char *lib_path; |
ff925e69 KK |
1213 | EOF |
1214 | fi | |
1215 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1216 | fragment <<EOF |
6dd8c765 L |
1217 | struct bfd_link_needed_list *rp; |
1218 | int found; | |
1219 | EOF | |
6dd8c765 | 1220 | fi |
92b93329 | 1221 | fragment <<EOF |
252b5132 | 1222 | |
04925e1e | 1223 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 1224 | &n, force)) |
04925e1e | 1225 | break; |
dcb0bd0e | 1226 | EOF |
9c8ebd6a | 1227 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
92b93329 | 1228 | fragment <<EOF |
04925e1e | 1229 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 1230 | &n, force)) |
04925e1e | 1231 | break; |
9c8ebd6a DJ |
1232 | EOF |
1233 | fi | |
1234 | if [ "x${NATIVE}" = xyes ] ; then | |
92b93329 | 1235 | fragment <<EOF |
04925e1e AM |
1236 | if (command_line.rpath_link == NULL |
1237 | && command_line.rpath == NULL) | |
1238 | { | |
1239 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1240 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1241 | force)) |
1242 | break; | |
1243 | } | |
04925e1e | 1244 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1245 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1246 | break; |
9c8ebd6a DJ |
1247 | EOF |
1248 | fi | |
1249 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
92b93329 | 1250 | fragment <<EOF |
ec4eb78a | 1251 | found = 0; |
f13a99db | 1252 | rp = bfd_elf_get_runpath_list (link_info.output_bfd, &link_info); |
6dd8c765 | 1253 | for (; !found && rp != NULL; rp = rp->next) |
ec4eb78a | 1254 | { |
9c8ebd6a | 1255 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1256 | found = (rp->by == l->by |
9c8ebd6a | 1257 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1258 | &n, |
ec4eb78a | 1259 | force)); |
9c8ebd6a | 1260 | free (tmpname); |
ec4eb78a L |
1261 | } |
1262 | if (found) | |
1263 | break; | |
1264 | ||
04925e1e | 1265 | EOF |
04925e1e | 1266 | fi |
c1446dba L |
1267 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1268 | case ${target} in | |
ebe1fac1 | 1269 | *-*-freebsd* | *-*-dragonfly*) |
92b93329 | 1270 | fragment <<EOF |
ebe1fac1 NC |
1271 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force)) |
1272 | break; | |
1273 | EOF | |
1274 | # FreeBSD | |
1275 | ;; | |
1276 | ||
c1446dba L |
1277 | *-*-linux-* | *-*-k*bsd*-*) |
1278 | # Linux | |
92b93329 | 1279 | fragment <<EOF |
c1446dba L |
1280 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
1281 | break; | |
1282 | ||
1283 | EOF | |
1284 | ;; | |
1285 | esac | |
1286 | fi | |
92b93329 | 1287 | fragment <<EOF |
04925e1e AM |
1288 | len = strlen (l->name); |
1289 | for (search = search_head; search != NULL; search = search->next) | |
1290 | { | |
1291 | char *filename; | |
252b5132 | 1292 | |
04925e1e AM |
1293 | if (search->cmdline) |
1294 | continue; | |
1295 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1296 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1297 | nn.name = filename; |
1298 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1299 | break; |
1300 | free (filename); | |
1301 | } | |
1302 | if (search != NULL) | |
1303 | break; | |
1304 | EOF | |
92b93329 | 1305 | fragment <<EOF |
04925e1e | 1306 | } |
252b5132 | 1307 | |
04925e1e AM |
1308 | if (force < 2) |
1309 | continue; | |
252b5132 | 1310 | |
e374f1d9 | 1311 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1312 | l->name, l->by); |
1313 | } | |
1314 | } | |
252b5132 | 1315 | |
41392f03 AM |
1316 | EOF |
1317 | fi | |
1318 | ||
92b93329 | 1319 | fragment <<EOF |
252b5132 | 1320 | |
04925e1e | 1321 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1322 | |
04925e1e | 1323 | static void |
0c7a8e5a | 1324 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1325 | { |
4ea42fb7 | 1326 | bfd_boolean provide = FALSE; |
04925e1e AM |
1327 | |
1328 | switch (exp->type.node_class) | |
252b5132 | 1329 | { |
04925e1e | 1330 | case etree_provide: |
4ea42fb7 AM |
1331 | provide = TRUE; |
1332 | /* Fall thru */ | |
1333 | case etree_assign: | |
04925e1e AM |
1334 | /* We call record_link_assignment even if the symbol is defined. |
1335 | This is because if it is defined by a dynamic object, we | |
1336 | actually want to use the value defined by the linker script, | |
1337 | not the value from the dynamic object (because we are setting | |
1338 | symbols like etext). If the symbol is defined by a regular | |
1339 | object, then, as it happens, calling record_link_assignment | |
1340 | will do no harm. */ | |
04925e1e | 1341 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1342 | { |
f13a99db AM |
1343 | if (!bfd_elf_record_link_assignment (link_info.output_bfd, |
1344 | &link_info, | |
fe21a8fc L |
1345 | exp->assign.dst, provide, |
1346 | exp->assign.hidden)) | |
04925e1e AM |
1347 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1348 | exp->assign.dst); | |
252b5132 | 1349 | } |
04925e1e AM |
1350 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1351 | break; | |
252b5132 | 1352 | |
04925e1e AM |
1353 | case etree_binary: |
1354 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1355 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1356 | break; | |
252b5132 | 1357 | |
04925e1e AM |
1358 | case etree_trinary: |
1359 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1360 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1361 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1362 | break; | |
252b5132 | 1363 | |
04925e1e AM |
1364 | case etree_unary: |
1365 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1366 | break; | |
252b5132 | 1367 | |
04925e1e AM |
1368 | default: |
1369 | break; | |
252b5132 RH |
1370 | } |
1371 | } | |
1372 | ||
04925e1e AM |
1373 | |
1374 | /* This is called by the before_allocation routine via | |
1375 | lang_for_each_statement. It locates any assignment statements, and | |
1376 | tells the ELF backend about them, in case they are assignments to | |
1377 | symbols which are referred to by dynamic objects. */ | |
1378 | ||
1379 | static void | |
0c7a8e5a | 1380 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1381 | { |
1382 | if (s->header.type == lang_assignment_statement_enum) | |
1383 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1384 | } | |
1385 | ||
41392f03 AM |
1386 | EOF |
1387 | ||
1388 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1389 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1390 | ELF_INTERPRETER_SET_DEFAULT=" | |
1391 | if (sinterp != NULL) | |
1392 | { | |
5718918d AM |
1393 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1394 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1395 | } |
1396 | ||
1397 | " | |
1398 | else | |
1399 | ELF_INTERPRETER_SET_DEFAULT= | |
1400 | fi | |
92b93329 | 1401 | fragment <<EOF |
04925e1e | 1402 | |
7ee314fa AM |
1403 | /* used by before_allocation and handle_option. */ |
1404 | static void | |
1405 | gld${EMULATION_NAME}_append_to_separated_string (char **to, char *optarg) | |
1406 | { | |
1407 | if (*to == NULL) | |
1408 | *to = xstrdup (optarg); | |
1409 | else | |
1410 | { | |
1411 | size_t to_len = strlen (*to); | |
1412 | size_t optarg_len = strlen (optarg); | |
1413 | char *buf; | |
1414 | char *cp = *to; | |
1415 | ||
1416 | /* First see whether OPTARG is already in the path. */ | |
1417 | do | |
1418 | { | |
1419 | if (strncmp (optarg, cp, optarg_len) == 0 | |
1420 | && (cp[optarg_len] == 0 | |
1421 | || cp[optarg_len] == config.rpath_separator)) | |
1422 | /* We found it. */ | |
1423 | break; | |
1424 | ||
1425 | /* Not yet found. */ | |
1426 | cp = strchr (cp, config.rpath_separator); | |
1427 | if (cp != NULL) | |
1428 | ++cp; | |
1429 | } | |
1430 | while (cp != NULL); | |
1431 | ||
1432 | if (cp == NULL) | |
1433 | { | |
1434 | buf = xmalloc (to_len + optarg_len + 2); | |
1435 | sprintf (buf, "%s%c%s", *to, | |
1436 | config.rpath_separator, optarg); | |
1437 | free (*to); | |
1438 | *to = buf; | |
1439 | } | |
1440 | } | |
1441 | } | |
1442 | ||
252b5132 RH |
1443 | /* This is called after the sections have been attached to output |
1444 | sections, but before any sizes or addresses have been set. */ | |
1445 | ||
1446 | static void | |
0c7a8e5a | 1447 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1448 | { |
1449 | const char *rpath; | |
1450 | asection *sinterp; | |
7ee314fa | 1451 | bfd *abfd; |
252b5132 | 1452 | |
fd574c46 | 1453 | if (link_info.hash->type == bfd_link_elf_hash_table) |
f13a99db | 1454 | _bfd_elf_tls_setup (link_info.output_bfd, &link_info); |
e1918d23 | 1455 | |
252b5132 RH |
1456 | /* If we are going to make any variable assignments, we need to let |
1457 | the ELF backend know about them in case the variables are | |
1458 | referred to by dynamic objects. */ | |
1459 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1460 | ||
1461 | /* Let the ELF backend work out the sizes of any sections required | |
1462 | by dynamic linking. */ | |
1463 | rpath = command_line.rpath; | |
1464 | if (rpath == NULL) | |
1465 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
7ee314fa AM |
1466 | |
1467 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) | |
1468 | { | |
1469 | const char *audit_libs = elf_dt_audit (abfd); | |
1470 | ||
1471 | /* If the input bfd contains an audit entry, we need to add it as | |
1472 | a dep audit entry. */ | |
1473 | if (audit_libs && *audit_libs != '\0') | |
1474 | { | |
1475 | char *cp = xstrdup (audit_libs); | |
1476 | do | |
1477 | { | |
1478 | int more = 0; | |
1479 | char *cp2 = strchr (cp, config.rpath_separator); | |
1480 | ||
1481 | if (cp2) | |
1482 | { | |
1483 | *cp2 = '\0'; | |
1484 | more = 1; | |
1485 | } | |
1486 | ||
1487 | if (cp != NULL && *cp != '\0') | |
1488 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, cp); | |
1489 | ||
1490 | cp = more ? ++cp2 : NULL; | |
1491 | } | |
1492 | while (cp != NULL); | |
1493 | } | |
1494 | } | |
1495 | ||
5a580b3a | 1496 | if (! (bfd_elf_size_dynamic_sections |
f13a99db | 1497 | (link_info.output_bfd, command_line.soname, rpath, |
7ee314fa | 1498 | command_line.filter_shlib, audit, depaudit, |
252b5132 RH |
1499 | (const char * const *) command_line.auxiliary_filters, |
1500 | &link_info, &sinterp, lang_elf_version_info))) | |
1501 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
8423293d | 1502 | |
57e6abd2 | 1503 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1504 | /* Let the user override the dynamic linker we are using. */ |
1505 | if (command_line.interpreter != NULL | |
1506 | && sinterp != NULL) | |
1507 | { | |
1508 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1509 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1510 | } |
1511 | ||
1512 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1513 | we treat such sections as containing warning messages. We print | |
1514 | out the warning message, and then zero out the section size so | |
1515 | that it does not get copied into the output file. */ | |
1516 | ||
1517 | { | |
1518 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1519 | { | |
1520 | asection *s; | |
1521 | bfd_size_type sz; | |
1522 | char *msg; | |
b34976b6 | 1523 | bfd_boolean ret; |
252b5132 RH |
1524 | |
1525 | if (is->just_syms_flag) | |
1526 | continue; | |
1527 | ||
1528 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1529 | if (s == NULL) | |
1530 | continue; | |
1531 | ||
eea6121a | 1532 | sz = s->size; |
1e9cc1c2 | 1533 | msg = (char *) xmalloc ((size_t) (sz + 1)); |
bc251d50 | 1534 | if (! bfd_get_section_contents (is->the_bfd, s, msg, |
8c675694 | 1535 | (file_ptr) 0, sz)) |
252b5132 RH |
1536 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1537 | is->the_bfd); | |
bc251d50 | 1538 | msg[sz] = '\0'; |
252b5132 RH |
1539 | ret = link_info.callbacks->warning (&link_info, msg, |
1540 | (const char *) NULL, | |
1541 | is->the_bfd, (asection *) NULL, | |
1542 | (bfd_vma) 0); | |
1543 | ASSERT (ret); | |
1544 | free (msg); | |
1545 | ||
9e3be61d AM |
1546 | /* Clobber the section size, so that we don't waste space |
1547 | copying the warning into the output file. If we've already | |
1548 | sized the output section, adjust its size. The adjustment | |
1549 | is on rawsize because targets that size sections early will | |
1550 | have called lang_reset_memory_regions after sizing. */ | |
1551 | if (s->output_section != NULL | |
1552 | && s->output_section->rawsize >= s->size) | |
1553 | s->output_section->rawsize -= s->size; | |
1554 | ||
eea6121a | 1555 | s->size = 0; |
11d2f718 | 1556 | |
9e3be61d AM |
1557 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1558 | warning section don't get copied to the output. */ | |
a14a5de3 | 1559 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1560 | } |
1561 | } | |
8423293d | 1562 | |
1e035701 | 1563 | before_allocation_default (); |
8423293d | 1564 | |
f13a99db | 1565 | if (!bfd_elf_size_dynsym_hash_dynstr (link_info.output_bfd, &link_info)) |
8423293d | 1566 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
252b5132 RH |
1567 | } |
1568 | ||
41392f03 AM |
1569 | EOF |
1570 | fi | |
1571 | ||
1572 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
92b93329 | 1573 | fragment <<EOF |
252b5132 | 1574 | |
04925e1e AM |
1575 | /* Try to open a dynamic archive. This is where we know that ELF |
1576 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1577 | like hpux). */ | |
1578 | ||
b34976b6 | 1579 | static bfd_boolean |
0c7a8e5a AM |
1580 | gld${EMULATION_NAME}_open_dynamic_archive |
1581 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1582 | { |
04925e1e AM |
1583 | const char *filename; |
1584 | char *string; | |
252b5132 | 1585 | |
04925e1e | 1586 | if (! entry->is_archive) |
b34976b6 | 1587 | return FALSE; |
252b5132 | 1588 | |
04925e1e | 1589 | filename = entry->filename; |
252b5132 | 1590 | |
04925e1e AM |
1591 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1592 | is defined, but it does not seem worth the headache to optimize | |
1593 | away those two bytes of space. */ | |
1594 | string = (char *) xmalloc (strlen (search->name) | |
1595 | + strlen (filename) | |
1596 | + strlen (arch) | |
1597 | #ifdef EXTRA_SHLIB_EXTENSION | |
1598 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1599 | #endif | |
1600 | + sizeof "/lib.so"); | |
1601 | ||
1602 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1603 | ||
1604 | #ifdef EXTRA_SHLIB_EXTENSION | |
1605 | /* Try the .so extension first. If that fails build a new filename | |
1606 | using EXTRA_SHLIB_EXTENSION. */ | |
1607 | if (! ldfile_try_open_bfd (string, entry)) | |
a26cc967 AM |
1608 | { |
1609 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1610 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
04925e1e AM |
1611 | #endif |
1612 | ||
1613 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1614 | { |
04925e1e | 1615 | free (string); |
b34976b6 | 1616 | return FALSE; |
04925e1e | 1617 | } |
a26cc967 AM |
1618 | #ifdef EXTRA_SHLIB_EXTENSION |
1619 | } | |
1620 | #endif | |
252b5132 | 1621 | |
04925e1e | 1622 | entry->filename = string; |
252b5132 | 1623 | |
04925e1e AM |
1624 | /* We have found a dynamic object to include in the link. The ELF |
1625 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1626 | section naming this file. If this file includes a DT_SONAME | |
1627 | entry, it will be used. Otherwise, the ELF linker will just use | |
1628 | the name of the file. For an archive found by searching, like | |
1629 | this one, the DT_NEEDED entry should consist of just the name of | |
1630 | the file, without the path information used to find it. Note | |
1631 | that we only need to do this if we have a dynamic object; an | |
1632 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1633 | |
04925e1e AM |
1634 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1635 | very pretty. I haven't been able to think of anything that is | |
1636 | pretty, though. */ | |
1637 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1638 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1639 | { | |
04925e1e | 1640 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1641 | |
04925e1e | 1642 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1643 | filename we recorded earlier. */ |
04925e1e | 1644 | |
fed2999d | 1645 | filename = lbasename (entry->filename); |
1c9acd94 | 1646 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1647 | } |
1648 | ||
b34976b6 | 1649 | return TRUE; |
04925e1e AM |
1650 | } |
1651 | ||
41392f03 AM |
1652 | EOF |
1653 | fi | |
cde43e70 AM |
1654 | |
1655 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
92b93329 | 1656 | fragment <<EOF |
41392f03 | 1657 | |
afd7a018 | 1658 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1659 | |
04925e1e | 1660 | static lang_output_section_statement_type * |
2a36a117 | 1661 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1662 | { |
04925e1e | 1663 | lang_output_section_statement_type *lookup; |
ba493122 | 1664 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1665 | lang_output_section_statement_type *last_alloc = NULL; |
48f2ff54 | 1666 | lang_output_section_statement_type *last_ro_alloc = NULL; |
ba493122 AM |
1667 | lang_output_section_statement_type *last_rel = NULL; |
1668 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1669 | int rela = sec->name[4] == 'a'; |
04925e1e | 1670 | |
afd7a018 AM |
1671 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1672 | lookup != NULL; | |
1673 | lookup = lookup->next) | |
04925e1e | 1674 | { |
66c103b7 | 1675 | if (lookup->constraint >= 0 |
0112cd26 | 1676 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1677 | { |
24cdb50a | 1678 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1679 | |
2a36a117 AM |
1680 | /* .rel.dyn must come before all other reloc sections, to suit |
1681 | GNU ld.so. */ | |
1682 | if (isdyn) | |
1683 | break; | |
1684 | ||
1685 | /* Don't place after .rel.plt as doing so results in wrong | |
1686 | dynamic tags. */ | |
1687 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1688 | break; |
2a36a117 AM |
1689 | |
1690 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1691 | last_rel = lookup; |
2a36a117 AM |
1692 | if ((rela == lookrela || last_rel_alloc == NULL) |
1693 | && lookup->bfd_section != NULL | |
ba493122 AM |
1694 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1695 | last_rel_alloc = lookup; | |
04925e1e | 1696 | } |
2a36a117 AM |
1697 | |
1698 | last = lookup; | |
1699 | if (lookup->bfd_section != NULL | |
1700 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
48f2ff54 AM |
1701 | { |
1702 | last_alloc = lookup; | |
1703 | if ((lookup->bfd_section->flags & SEC_READONLY) != 0) | |
1704 | last_ro_alloc = lookup; | |
1705 | } | |
252b5132 | 1706 | } |
ba493122 AM |
1707 | |
1708 | if (last_rel_alloc) | |
1709 | return last_rel_alloc; | |
1710 | ||
1711 | if (last_rel) | |
1712 | return last_rel; | |
1713 | ||
48f2ff54 AM |
1714 | if (last_ro_alloc) |
1715 | return last_ro_alloc; | |
1716 | ||
2a36a117 AM |
1717 | if (last_alloc) |
1718 | return last_alloc; | |
1719 | ||
ba493122 | 1720 | return last; |
252b5132 RH |
1721 | } |
1722 | ||
1723 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1724 | sections in the right segment. */ | |
1725 | ||
c2edb4b8 | 1726 | static lang_output_section_statement_type * |
8a99a385 AM |
1727 | gld${EMULATION_NAME}_place_orphan (asection *s, |
1728 | const char *secname, | |
1729 | int constraint) | |
252b5132 | 1730 | { |
afd7a018 AM |
1731 | static struct orphan_save hold[] = |
1732 | { | |
1733 | { ".text", | |
1734 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1735 | 0, 0, 0, 0 }, | |
1736 | { ".rodata", | |
1737 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1738 | 0, 0, 0, 0 }, | |
1739 | { ".data", | |
1740 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1741 | 0, 0, 0, 0 }, | |
1742 | { ".bss", | |
1743 | SEC_ALLOC, | |
1744 | 0, 0, 0, 0 }, | |
1745 | { 0, | |
1746 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1747 | 0, 0, 0, 0 }, | |
1748 | { ".interp", | |
1749 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1750 | 0, 0, 0, 0 }, | |
1751 | { ".sdata", | |
1752 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
07890c07 AM |
1753 | 0, 0, 0, 0 }, |
1754 | { 0, | |
1755 | SEC_HAS_CONTENTS, | |
1756 | 0, 0, 0, 0 }, | |
afd7a018 AM |
1757 | }; |
1758 | enum orphan_save_index | |
1759 | { | |
1760 | orphan_text = 0, | |
1761 | orphan_rodata, | |
1762 | orphan_data, | |
1763 | orphan_bss, | |
1764 | orphan_rel, | |
1765 | orphan_interp, | |
07890c07 AM |
1766 | orphan_sdata, |
1767 | orphan_nonalloc | |
afd7a018 AM |
1768 | }; |
1769 | static int orphan_init_done = 0; | |
6a345e87 | 1770 | struct orphan_save *place; |
afd7a018 | 1771 | lang_output_section_statement_type *after; |
252b5132 | 1772 | lang_output_section_statement_type *os; |
24cdb50a | 1773 | int isdyn = 0; |
ecca9871 L |
1774 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1775 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1776 | |
1049f94e | 1777 | if (! link_info.relocatable |
24cdb50a | 1778 | && link_info.combreloc |
ecca9871 | 1779 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1780 | { |
ecca9871 L |
1781 | if (iself) |
1782 | switch (sh_type) | |
1783 | { | |
1784 | case SHT_RELA: | |
1785 | secname = ".rela.dyn"; | |
1786 | isdyn = 1; | |
1787 | break; | |
1788 | case SHT_REL: | |
1789 | secname = ".rel.dyn"; | |
1790 | isdyn = 1; | |
1791 | break; | |
1792 | default: | |
1793 | break; | |
1794 | } | |
0112cd26 | 1795 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1796 | { |
1797 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1798 | isdyn = 1; | |
1799 | } | |
24cdb50a | 1800 | } |
aea4bd9d | 1801 | |
bcacc0f5 | 1802 | /* Look through the script to see where to place this section. */ |
d127ecce AM |
1803 | if (constraint == 0) |
1804 | for (os = lang_output_section_find (secname); | |
1805 | os != NULL; | |
1806 | os = next_matching_output_section_statement (os, 0)) | |
1807 | { | |
1808 | /* If we don't match an existing output section, tell | |
1809 | lang_insert_orphan to create a new output section. */ | |
1810 | constraint = SPECIAL; | |
1811 | ||
1812 | if (os->bfd_section != NULL | |
1813 | && (os->bfd_section->flags == 0 | |
1814 | || (_bfd_elf_match_sections_by_type (link_info.output_bfd, | |
1815 | os->bfd_section, | |
1816 | s->owner, s) | |
1817 | && ((s->flags ^ os->bfd_section->flags) | |
1818 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
1819 | { | |
1820 | /* We already have an output section statement with this | |
1821 | name, and its bfd section has compatible flags. | |
1822 | If the section already exists but does not have any flags | |
1823 | set, then it has been created by the linker, probably as a | |
1824 | result of a --section-start command line switch. */ | |
1825 | lang_add_section (&os->children, s, os); | |
1826 | return os; | |
1827 | } | |
1828 | } | |
252b5132 | 1829 | |
afd7a018 AM |
1830 | if (!orphan_init_done) |
1831 | { | |
07890c07 | 1832 | lang_output_section_statement_type *lookup; |
afd7a018 | 1833 | struct orphan_save *ho; |
07890c07 | 1834 | |
afd7a018 AM |
1835 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) |
1836 | if (ho->name != NULL) | |
1837 | { | |
1838 | ho->os = lang_output_section_find (ho->name); | |
1839 | if (ho->os != NULL && ho->os->flags == 0) | |
1840 | ho->os->flags = ho->flags; | |
1841 | } | |
07890c07 AM |
1842 | lookup = hold[orphan_bss].os; |
1843 | if (lookup == NULL) | |
1844 | lookup = &lang_output_section_statement.head->output_section_statement; | |
1845 | for (; lookup != NULL; lookup = lookup->next) | |
1846 | if ((lookup->bfd_section != NULL | |
1847 | && (lookup->bfd_section->flags & SEC_DEBUGGING) != 0) | |
1848 | || strcmp (lookup->name, ".comment") == 0) | |
1849 | break; | |
1850 | hold[orphan_nonalloc].os = lookup ? lookup->prev : NULL; | |
1851 | hold[orphan_nonalloc].name = ".comment"; | |
afd7a018 AM |
1852 | orphan_init_done = 1; |
1853 | } | |
252b5132 RH |
1854 | |
1855 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1856 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1857 | if (link_info.executable |
1049f94e | 1858 | && ! link_info.relocatable |
bcacc0f5 | 1859 | && CONST_STRNEQ (s->name, ".gnu.warning.") |
afd7a018 | 1860 | && hold[orphan_text].os != NULL) |
252b5132 | 1861 | { |
c2edb4b8 AM |
1862 | os = hold[orphan_text].os; |
1863 | lang_add_section (&os->children, s, os); | |
1864 | return os; | |
252b5132 RH |
1865 | } |
1866 | ||
1867 | /* Decide which segment the section should go in based on the | |
1868 | section name and section flags. We put loadable .note sections | |
1869 | right after the .interp section, so that the PT_NOTE segment is | |
1870 | stored right after the program headers where the OS can read it | |
1871 | in the first page. */ | |
aea4bd9d | 1872 | |
71bfc0ae | 1873 | place = NULL; |
07890c07 AM |
1874 | if ((s->flags & (SEC_ALLOC | SEC_DEBUGGING)) == 0) |
1875 | place = &hold[orphan_nonalloc]; | |
1876 | else if ((s->flags & SEC_ALLOC) == 0) | |
71bfc0ae | 1877 | ; |
252b5132 | 1878 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1879 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1880 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 AM |
1881 | place = &hold[orphan_interp]; |
1882 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1883 | place = &hold[orphan_bss]; | |
1884 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1885 | place = &hold[orphan_sdata]; | |
1886 | else if ((s->flags & SEC_READONLY) == 0) | |
1887 | place = &hold[orphan_data]; | |
ecca9871 | 1888 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1889 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1890 | && (s->flags & SEC_LOAD) != 0) |
1891 | place = &hold[orphan_rel]; | |
1892 | else if ((s->flags & SEC_CODE) == 0) | |
1893 | place = &hold[orphan_rodata]; | |
1894 | else | |
1895 | place = &hold[orphan_text]; | |
71bfc0ae | 1896 | |
afd7a018 | 1897 | after = NULL; |
5ba47421 | 1898 | if (place != NULL) |
252b5132 | 1899 | { |
afd7a018 | 1900 | if (place->os == NULL) |
5ba47421 | 1901 | { |
afd7a018 AM |
1902 | if (place->name != NULL) |
1903 | place->os = lang_output_section_find (place->name); | |
1904 | else | |
1905 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1906 | } |
afd7a018 AM |
1907 | after = place->os; |
1908 | if (after == NULL) | |
390fbbf1 AM |
1909 | after = lang_output_section_find_by_flags |
1910 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1911 | if (after == NULL) |
1912 | /* *ABS* is always the first output section statement. */ | |
1913 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1914 | } |
1915 | ||
c2edb4b8 | 1916 | return lang_insert_orphan (s, secname, constraint, after, place, NULL, NULL); |
252b5132 | 1917 | } |
c56feb2b AM |
1918 | EOF |
1919 | fi | |
1920 | ||
eaeb0a9d | 1921 | if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then |
92b93329 | 1922 | fragment <<EOF |
252b5132 | 1923 | |
deb04cdb | 1924 | static void |
eaeb0a9d | 1925 | gld${EMULATION_NAME}_after_allocation (void) |
deb04cdb | 1926 | { |
f13a99db AM |
1927 | bfd_boolean need_layout = bfd_elf_discard_info (link_info.output_bfd, |
1928 | &link_info); | |
8ded5a0f | 1929 | gld${EMULATION_NAME}_map_segments (need_layout); |
73d074b4 | 1930 | } |
41392f03 AM |
1931 | EOF |
1932 | fi | |
1933 | ||
1934 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
92b93329 | 1935 | fragment <<EOF |
252b5132 RH |
1936 | |
1937 | static char * | |
0c7a8e5a | 1938 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1939 | EOF |
1940 | ||
1941 | if test -n "$COMPILE_IN" | |
1942 | then | |
1943 | # Scripts compiled in. | |
1944 | ||
1945 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1946 | sc="-f stringify.sed" |
252b5132 | 1947 | |
92b93329 | 1948 | fragment <<EOF |
60bcf0fa | 1949 | { |
252b5132 RH |
1950 | *isfile = 0; |
1951 | ||
1049f94e | 1952 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1953 | return |
252b5132 | 1954 | EOF |
afd7a018 AM |
1955 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1956 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1957 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1958 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1959 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1960 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1961 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1962 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1963 | fi |
36af4a4e JJ |
1964 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1965 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1966 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1967 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 1968 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1969 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1970 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1971 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 1972 | fi |
afd7a018 AM |
1973 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
1974 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 1975 | fi |
252b5132 | 1976 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1977 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1978 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
1979 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
fbfca19e | 1980 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1981 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 1982 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1983 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1984 | fi |
afd7a018 AM |
1985 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1986 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1987 | fi |
82434356 | 1988 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b | 1989 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
fbfca19e | 1990 | echo ' && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c |
afd7a018 AM |
1991 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
1992 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
1993 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1994 | fi |
afd7a018 AM |
1995 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1996 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1997 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1998 | |
1999 | else | |
2000 | # Scripts read from the filesystem. | |
2001 | ||
92b93329 | 2002 | fragment <<EOF |
60bcf0fa | 2003 | { |
252b5132 RH |
2004 | *isfile = 1; |
2005 | ||
1049f94e | 2006 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 2007 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 2008 | else if (link_info.relocatable) |
252b5132 RH |
2009 | return "ldscripts/${EMULATION_NAME}.xr"; |
2010 | else if (!config.text_read_only) | |
2011 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
2012 | EOF |
2013 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
2014 | else | |
92b93329 | 2015 | fragment <<EOF |
252b5132 RH |
2016 | else if (!config.magic_demand_paged) |
2017 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
2018 | EOF |
2019 | fi | |
36af4a4e JJ |
2020 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
2021 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2022 | fragment <<EOF |
8c37241b | 2023 | else if (link_info.pie && link_info.combreloc |
fbfca19e | 2024 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2025 | return "ldscripts/${EMULATION_NAME}.xdw"; |
36af4a4e JJ |
2026 | else if (link_info.pie && link_info.combreloc) |
2027 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
2028 | EOF | |
2029 | fi | |
92b93329 | 2030 | fragment <<EOF |
36af4a4e JJ |
2031 | else if (link_info.pie) |
2032 | return "ldscripts/${EMULATION_NAME}.xd"; | |
2033 | EOF | |
2034 | fi | |
a060b769 AM |
2035 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
2036 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2037 | fragment <<EOF |
8c37241b | 2038 | else if (link_info.shared && link_info.combreloc |
fbfca19e | 2039 | && link_info.relro && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2040 | return "ldscripts/${EMULATION_NAME}.xsw"; |
a060b769 AM |
2041 | else if (link_info.shared && link_info.combreloc) |
2042 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
2043 | EOF | |
2044 | fi | |
92b93329 | 2045 | fragment <<EOF |
252b5132 RH |
2046 | else if (link_info.shared) |
2047 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
2048 | EOF |
2049 | fi | |
2050 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
92b93329 | 2051 | fragment <<EOF |
8c37241b | 2052 | else if (link_info.combreloc && link_info.relro |
fbfca19e | 2053 | && (link_info.flags & DF_BIND_NOW)) |
8c37241b | 2054 | return "ldscripts/${EMULATION_NAME}.xw"; |
a060b769 AM |
2055 | else if (link_info.combreloc) |
2056 | return "ldscripts/${EMULATION_NAME}.xc"; | |
2057 | EOF | |
2058 | fi | |
92b93329 | 2059 | fragment <<EOF |
252b5132 RH |
2060 | else |
2061 | return "ldscripts/${EMULATION_NAME}.x"; | |
2062 | } | |
252b5132 | 2063 | |
3b108066 | 2064 | EOF |
41392f03 AM |
2065 | fi |
2066 | fi | |
3b108066 | 2067 | |
41392f03 | 2068 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 2069 | |
e0ee487b | 2070 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
92b93329 | 2071 | fragment <<EOF |
e0ee487b L |
2072 | $PARSE_AND_LIST_PROLOGUE |
2073 | EOF | |
2074 | fi | |
2075 | ||
92b93329 | 2076 | fragment <<EOF |
e0ee487b | 2077 | |
6c1439be L |
2078 | #define OPTION_DISABLE_NEW_DTAGS (400) |
2079 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 2080 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 2081 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 2082 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 2083 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
c0065db7 | 2084 | #define OPTION_BUILD_ID (OPTION_HASH_STYLE + 1) |
7ee314fa | 2085 | #define OPTION_AUDIT (OPTION_BUILD_ID + 1) |
e13629bc | 2086 | |
3bcf5557 | 2087 | static void |
0c7a8e5a AM |
2088 | gld${EMULATION_NAME}_add_options |
2089 | (int ns, char **shortopts, int nl, struct option **longopts, | |
2090 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 2091 | { |
7ee314fa | 2092 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:"; |
3bcf5557 | 2093 | static const struct option xtra_long[] = { |
c0065db7 | 2094 | {"build-id", optional_argument, NULL, OPTION_BUILD_ID}, |
7ee314fa AM |
2095 | {"audit", required_argument, NULL, OPTION_AUDIT}, |
2096 | {"depaudit", required_argument, NULL, 'P'}, | |
e0ee487b | 2097 | EOF |
e0ee487b L |
2098 | |
2099 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
92b93329 | 2100 | fragment <<EOF |
3bcf5557 AM |
2101 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
2102 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
2103 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 2104 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 2105 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
3bcf5557 | 2106 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
e0ee487b L |
2107 | EOF |
2108 | fi | |
2109 | ||
2110 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
92b93329 | 2111 | fragment <<EOF |
3bcf5557 | 2112 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
2113 | EOF |
2114 | fi | |
2115 | ||
92b93329 | 2116 | fragment <<EOF |
3bcf5557 AM |
2117 | {NULL, no_argument, NULL, 0} |
2118 | }; | |
2119 | ||
2120 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
2121 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
2122 | *longopts = (struct option *) | |
2123 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
2124 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
2125 | } | |
04925e1e | 2126 | |
24382dca | 2127 | #define DEFAULT_BUILD_ID_STYLE "sha1" |
c0065db7 | 2128 | |
3bcf5557 | 2129 | static bfd_boolean |
0c7a8e5a | 2130 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 2131 | { |
e0ee487b L |
2132 | switch (optc) |
2133 | { | |
2134 | default: | |
3bcf5557 | 2135 | return FALSE; |
6c1439be | 2136 | |
c0065db7 RM |
2137 | case OPTION_BUILD_ID: |
2138 | if (link_info.emit_note_gnu_build_id != NULL) | |
2139 | { | |
2140 | free (link_info.emit_note_gnu_build_id); | |
2141 | link_info.emit_note_gnu_build_id = NULL; | |
2142 | } | |
2143 | if (optarg == NULL) | |
2144 | optarg = DEFAULT_BUILD_ID_STYLE; | |
2145 | if (strcmp (optarg, "none")) | |
2146 | link_info.emit_note_gnu_build_id = xstrdup (optarg); | |
2147 | break; | |
7ee314fa AM |
2148 | case OPTION_AUDIT: |
2149 | gld${EMULATION_NAME}_append_to_separated_string (&audit, optarg); | |
2150 | break; | |
2151 | case 'P': | |
2152 | gld${EMULATION_NAME}_append_to_separated_string (&depaudit, optarg); | |
2153 | break; | |
c0065db7 | 2154 | |
e0ee487b | 2155 | EOF |
e0ee487b L |
2156 | |
2157 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
92b93329 | 2158 | fragment <<EOF |
6c1439be | 2159 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 2160 | link_info.new_dtags = FALSE; |
6c1439be L |
2161 | break; |
2162 | ||
2163 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 2164 | link_info.new_dtags = TRUE; |
6c1439be L |
2165 | break; |
2166 | ||
65765700 | 2167 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 2168 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
2169 | break; |
2170 | ||
a1ab1d2a UD |
2171 | case OPTION_GROUP: |
2172 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
2173 | /* Groups must be self-contained. */ | |
560e09e9 NC |
2174 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
2175 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
2176 | break; |
2177 | ||
b58f81ae DJ |
2178 | case OPTION_EXCLUDE_LIBS: |
2179 | add_excluded_libs (optarg); | |
2180 | break; | |
2181 | ||
fdc90cb4 JJ |
2182 | case OPTION_HASH_STYLE: |
2183 | link_info.emit_hash = FALSE; | |
2184 | link_info.emit_gnu_hash = FALSE; | |
2185 | if (strcmp (optarg, "sysv") == 0) | |
2186 | link_info.emit_hash = TRUE; | |
2187 | else if (strcmp (optarg, "gnu") == 0) | |
2188 | link_info.emit_gnu_hash = TRUE; | |
2189 | else if (strcmp (optarg, "both") == 0) | |
2190 | { | |
2191 | link_info.emit_hash = TRUE; | |
2192 | link_info.emit_gnu_hash = TRUE; | |
2193 | } | |
2194 | else | |
2195 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
2196 | break; | |
2197 | ||
e0ee487b L |
2198 | case 'z': |
2199 | if (strcmp (optarg, "initfirst") == 0) | |
2200 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
2201 | else if (strcmp (optarg, "interpose") == 0) | |
2202 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
2203 | else if (strcmp (optarg, "loadfltr") == 0) | |
2204 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
2205 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
2206 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
2207 | else if (strcmp (optarg, "nodelete") == 0) | |
2208 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
2209 | else if (strcmp (optarg, "nodlopen") == 0) | |
2210 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
2211 | else if (strcmp (optarg, "nodump") == 0) | |
2212 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
2213 | else if (strcmp (optarg, "now") == 0) | |
2214 | { | |
2215 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
2216 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
2217 | } | |
5fa222e4 AM |
2218 | else if (strcmp (optarg, "lazy") == 0) |
2219 | { | |
2220 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
2221 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
2222 | } | |
e0ee487b L |
2223 | else if (strcmp (optarg, "origin") == 0) |
2224 | { | |
2225 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
2226 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
2227 | } | |
a1ab1d2a | 2228 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 2229 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 2230 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 2231 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 2232 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 2233 | link_info.combreloc = TRUE; |
db6751f2 | 2234 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 2235 | link_info.combreloc = FALSE; |
8bd621d8 | 2236 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 2237 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
2238 | else if (strcmp (optarg, "execstack") == 0) |
2239 | { | |
2240 | link_info.execstack = TRUE; | |
2241 | link_info.noexecstack = FALSE; | |
2242 | } | |
2243 | else if (strcmp (optarg, "noexecstack") == 0) | |
2244 | { | |
2245 | link_info.noexecstack = TRUE; | |
2246 | link_info.execstack = FALSE; | |
2247 | } | |
88b882e9 L |
2248 | EOF |
2249 | ||
2250 | if test -n "$COMMONPAGESIZE"; then | |
92b93329 | 2251 | fragment <<EOF |
8c37241b JJ |
2252 | else if (strcmp (optarg, "relro") == 0) |
2253 | link_info.relro = TRUE; | |
2254 | else if (strcmp (optarg, "norelro") == 0) | |
2255 | link_info.relro = FALSE; | |
88b882e9 L |
2256 | EOF |
2257 | fi | |
2258 | ||
92b93329 | 2259 | fragment <<EOF |
0112cd26 | 2260 | else if (CONST_STRNEQ (optarg, "max-page-size=")) |
24718e3b L |
2261 | { |
2262 | char *end; | |
0112cd26 | 2263 | |
24718e3b | 2264 | config.maxpagesize = strtoul (optarg + 14, &end, 0); |
b8142865 | 2265 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) |
24718e3b L |
2266 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), |
2267 | optarg + 14); | |
2268 | } | |
0112cd26 | 2269 | else if (CONST_STRNEQ (optarg, "common-page-size=")) |
24718e3b L |
2270 | { |
2271 | char *end; | |
2272 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
b8142865 L |
2273 | if (*end |
2274 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
24718e3b L |
2275 | einfo (_("%P%F: invalid common page size \`%s'\n"), |
2276 | optarg + 17); | |
2277 | } | |
e0ee487b | 2278 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 2279 | break; |
e0ee487b L |
2280 | EOF |
2281 | fi | |
2282 | ||
2283 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
92b93329 | 2284 | fragment <<EOF |
e0ee487b L |
2285 | $PARSE_AND_LIST_ARGS_CASES |
2286 | EOF | |
2287 | fi | |
2288 | ||
92b93329 | 2289 | fragment <<EOF |
e0ee487b L |
2290 | } |
2291 | ||
3bcf5557 | 2292 | return TRUE; |
e0ee487b L |
2293 | } |
2294 | ||
41392f03 | 2295 | EOF |
41392f03 | 2296 | |
4b209b22 | 2297 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
92b93329 | 2298 | fragment <<EOF |
41392f03 | 2299 | |
e0ee487b | 2300 | static void |
0c7a8e5a | 2301 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b | 2302 | { |
442996ee AM |
2303 | fprintf (file, _("\ |
2304 | --build-id[=STYLE] Generate build ID note\n")); | |
7ee314fa AM |
2305 | fprintf (file, _("\ |
2306 | --audit=AUDITLIB Specify a library to use for auditing\n")); | |
2307 | fprintf (file, _("\ | |
2308 | -P AUDITLIB, --depaudit=AUDITLIB\n" "\ | |
2309 | Specify a library to use for auditing dependencies\n")); | |
e0ee487b | 2310 | EOF |
e0ee487b L |
2311 | |
2312 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
92b93329 | 2313 | fragment <<EOF |
442996ee AM |
2314 | fprintf (file, _("\ |
2315 | -Bgroup Selects group name lookup rules for DSO\n")); | |
2316 | fprintf (file, _("\ | |
2317 | --disable-new-dtags Disable new dynamic tags\n")); | |
2318 | fprintf (file, _("\ | |
2319 | --enable-new-dtags Enable new dynamic tags\n")); | |
2320 | fprintf (file, _("\ | |
2321 | --eh-frame-hdr Create .eh_frame_hdr section\n")); | |
2322 | fprintf (file, _("\ | |
2323 | --hash-style=STYLE Set hash style to sysv, gnu or both\n")); | |
2324 | fprintf (file, _("\ | |
2325 | -z combreloc Merge dynamic relocs into one section and sort\n")); | |
2326 | fprintf (file, _("\ | |
2327 | -z defs Report unresolved symbols in object files.\n")); | |
2328 | fprintf (file, _("\ | |
2329 | -z execstack Mark executable as requiring executable stack\n")); | |
2330 | fprintf (file, _("\ | |
2331 | -z initfirst Mark DSO to be initialized first at runtime\n")); | |
2332 | fprintf (file, _("\ | |
2333 | -z interpose Mark object to interpose all DSOs but executable\n")); | |
2334 | fprintf (file, _("\ | |
2335 | -z lazy Mark object lazy runtime binding (default)\n")); | |
2336 | fprintf (file, _("\ | |
2337 | -z loadfltr Mark object requiring immediate process\n")); | |
2338 | fprintf (file, _("\ | |
2339 | -z muldefs Allow multiple definitions\n")); | |
2340 | fprintf (file, _("\ | |
2341 | -z nocombreloc Don't merge dynamic relocs into one section\n")); | |
2342 | fprintf (file, _("\ | |
2343 | -z nocopyreloc Don't create copy relocs\n")); | |
2344 | fprintf (file, _("\ | |
2345 | -z nodefaultlib Mark object not to use default search paths\n")); | |
2346 | fprintf (file, _("\ | |
2347 | -z nodelete Mark DSO non-deletable at runtime\n")); | |
2348 | fprintf (file, _("\ | |
2349 | -z nodlopen Mark DSO not available to dlopen\n")); | |
2350 | fprintf (file, _("\ | |
2351 | -z nodump Mark DSO not available to dldump\n")); | |
2352 | fprintf (file, _("\ | |
2353 | -z noexecstack Mark executable as not requiring executable stack\n")); | |
88b882e9 L |
2354 | EOF |
2355 | ||
2356 | if test -n "$COMMONPAGESIZE"; then | |
92b93329 | 2357 | fragment <<EOF |
442996ee AM |
2358 | fprintf (file, _("\ |
2359 | -z norelro Don't create RELRO program header\n")); | |
88b882e9 L |
2360 | EOF |
2361 | fi | |
2362 | ||
92b93329 | 2363 | fragment <<EOF |
442996ee AM |
2364 | fprintf (file, _("\ |
2365 | -z now Mark object non-lazy runtime binding\n")); | |
2366 | fprintf (file, _("\ | |
2367 | -z origin Mark object requiring immediate \$ORIGIN\n\ | |
2368 | processing at runtime\n")); | |
88b882e9 L |
2369 | EOF |
2370 | ||
2371 | if test -n "$COMMONPAGESIZE"; then | |
92b93329 | 2372 | fragment <<EOF |
442996ee AM |
2373 | fprintf (file, _("\ |
2374 | -z relro Create RELRO program header\n")); | |
88b882e9 L |
2375 | EOF |
2376 | fi | |
2377 | ||
92b93329 | 2378 | fragment <<EOF |
442996ee AM |
2379 | fprintf (file, _("\ |
2380 | -z max-page-size=SIZE Set maximum page size to SIZE\n")); | |
2381 | fprintf (file, _("\ | |
2382 | -z common-page-size=SIZE Set common page size to SIZE\n")); | |
2383 | fprintf (file, _("\ | |
2384 | -z KEYWORD Ignored for Solaris compatibility\n")); | |
e0ee487b L |
2385 | EOF |
2386 | fi | |
2387 | ||
2388 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
92b93329 | 2389 | fragment <<EOF |
e0ee487b L |
2390 | $PARSE_AND_LIST_OPTIONS |
2391 | EOF | |
2392 | fi | |
2393 | ||
92b93329 | 2394 | fragment <<EOF |
e0ee487b L |
2395 | } |
2396 | EOF | |
e0ee487b L |
2397 | |
2398 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
92b93329 | 2399 | fragment <<EOF |
e0ee487b L |
2400 | $PARSE_AND_LIST_EPILOGUE |
2401 | EOF | |
2402 | fi | |
41392f03 AM |
2403 | fi |
2404 | else | |
92b93329 | 2405 | fragment <<EOF |
3bcf5557 AM |
2406 | #define gld${EMULATION_NAME}_add_options NULL |
2407 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 2408 | EOF |
4b209b22 | 2409 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
92b93329 | 2410 | fragment <<EOF |
4b209b22 | 2411 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
2412 | EOF |
2413 | fi | |
2414 | fi | |
e0ee487b | 2415 | |
92b93329 | 2416 | fragment <<EOF |
252b5132 | 2417 | |
60bcf0fa | 2418 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2419 | { |
41392f03 AM |
2420 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2421 | ${LDEMUL_SYSLIB-syslib_default}, | |
2422 | ${LDEMUL_HLL-hll_default}, | |
2423 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
2424 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
eaeb0a9d | 2425 | ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation}, |
41392f03 AM |
2426 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
2427 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2428 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2429 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2430 | "${EMULATION_NAME}", |
2431 | "${OUTPUT_FORMAT}", | |
eaeb0a9d | 2432 | ${LDEMUL_FINISH-finish_default}, |
41392f03 AM |
2433 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2434 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2435 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2436 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2437 | ${LDEMUL_PARSE_ARGS-NULL}, |
2438 | gld${EMULATION_NAME}_add_options, | |
2439 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2440 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 2441 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 2442 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2443 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 2444 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
2445 | }; |
2446 | EOF |