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}:${MACHINE} | |
10 | fi | |
252b5132 RH |
11 | cat >e${EMULATION_NAME}.c <<EOF |
12 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
13 | ||
14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
3db64b00 | 16 | 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
75be928b | 34 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
35 | |
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
252b5132 | 38 | #include "sysdep.h" |
3db64b00 | 39 | #include "bfd.h" |
1c9acd94 | 40 | #include "libiberty.h" |
3882b010 | 41 | #include "safe-ctype.h" |
fcf65871 | 42 | #include "getopt.h" |
252b5132 RH |
43 | |
44 | #include "bfdlink.h" | |
45 | ||
46 | #include "ld.h" | |
47 | #include "ldmain.h" | |
252b5132 RH |
48 | #include "ldmisc.h" |
49 | #include "ldexp.h" | |
50 | #include "ldlang.h" | |
b71e2778 AM |
51 | #include "ldfile.h" |
52 | #include "ldemul.h" | |
df2a7313 | 53 | #include <ldgram.h> |
e0ee487b | 54 | #include "elf/common.h" |
ecca9871 | 55 | #include "elf-bfd.h" |
252b5132 | 56 | |
0c7a8e5a AM |
57 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
58 | static void gld${EMULATION_NAME}_before_parse (void); | |
59 | static void gld${EMULATION_NAME}_after_open (void); | |
60 | static void gld${EMULATION_NAME}_before_allocation (void); | |
7b986e99 | 61 | static bfd_boolean gld${EMULATION_NAME}_place_orphan (asection *s); |
8ded5a0f | 62 | static void gld${EMULATION_NAME}_finish (void); |
252b5132 | 63 | |
41392f03 AM |
64 | EOF |
65 | ||
d3989512 JJ |
66 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
67 | case ${target} in | |
711c0baa | 68 | *-*-linux-* | *-*-k*bsd*-*) |
d3989512 | 69 | cat >>e${EMULATION_NAME}.c <<EOF |
0b48acfe | 70 | #ifdef HAVE_GLOB |
d3989512 | 71 | #include <glob.h> |
0b48acfe | 72 | #endif |
d3989512 JJ |
73 | EOF |
74 | ;; | |
75 | esac | |
76 | fi | |
77 | ||
41392f03 AM |
78 | # Import any needed special functions and/or overrides. |
79 | # | |
8ded5a0f | 80 | . ${srcdir}/emultempl/elf-generic.em |
41392f03 AM |
81 | if test -n "$EXTRA_EM_FILE" ; then |
82 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
83 | fi | |
84 | ||
f813923c | 85 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
86 | # variables. If the name of the overriding function is the same as is |
87 | # defined in this file, then don't output this file's version. | |
88 | # If a different overriding name is given then output the standard function | |
89 | # as presumably it is called from the overriding function. | |
90 | # | |
91 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
92 | cat >>e${EMULATION_NAME}.c <<EOF | |
93 | ||
252b5132 | 94 | static void |
0c7a8e5a | 95 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 96 | { |
5e2f1575 | 97 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
b34976b6 AM |
98 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
99 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
100 | } |
101 | ||
41392f03 AM |
102 | EOF |
103 | fi | |
104 | ||
4a43e768 AM |
105 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
106 | cat >>e${EMULATION_NAME}.c <<EOF | |
107 | /* Handle as_needed DT_NEEDED. */ | |
108 | ||
109 | static bfd_boolean | |
110 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
111 | { | |
e56f61be | 112 | int class = 0; |
4a43e768 AM |
113 | |
114 | /* Tell the ELF linker that we don't want the output file to have a | |
115 | DT_NEEDED entry for this file, unless it is used to resolve | |
116 | references in a regular object. */ | |
e56f61be L |
117 | if (entry->as_needed) |
118 | class = DYN_AS_NEEDED; | |
119 | ||
120 | /* Tell the ELF linker that we don't want the output file to have a | |
121 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
122 | this file at all. */ | |
123 | if (!entry->add_needed) | |
124 | class |= DYN_NO_ADD_NEEDED; | |
125 | ||
12b9ff6c L |
126 | if (entry->just_syms_flag |
127 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) | |
128 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
129 | entry->the_bfd); | |
130 | ||
e56f61be L |
131 | if (!class |
132 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) | |
133 | return FALSE; | |
134 | ||
135 | bfd_elf_set_dyn_lib_class (entry->the_bfd, class); | |
4a43e768 AM |
136 | |
137 | /* Continue on with normal load_symbols processing. */ | |
138 | return FALSE; | |
139 | } | |
140 | EOF | |
141 | fi | |
142 | ||
41392f03 | 143 | cat >>e${EMULATION_NAME}.c <<EOF |
252b5132 RH |
144 | |
145 | /* These variables are required to pass information back and forth | |
146 | between after_open and check_needed and stat_needed and vercheck. */ | |
147 | ||
148 | static struct bfd_link_needed_list *global_needed; | |
149 | static struct stat global_stat; | |
e13629bc | 150 | static lang_input_statement_type *global_found; |
252b5132 | 151 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 152 | static bfd_boolean global_vercheck_failed; |
252b5132 | 153 | |
252b5132 | 154 | |
04925e1e AM |
155 | /* On Linux, it's possible to have different versions of the same |
156 | shared library linked against different versions of libc. The | |
157 | dynamic linker somehow tags which libc version to use in | |
158 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
159 | executable, chooses which version of the shared library to use. | |
252b5132 | 160 | |
04925e1e AM |
161 | We try to do a similar check here by checking whether this shared |
162 | library needs any other shared libraries which may conflict with | |
163 | libraries we have already included in the link. If it does, we | |
164 | skip it, and try to find another shared library farther on down the | |
165 | link path. | |
252b5132 | 166 | |
04925e1e AM |
167 | This is called via lang_for_each_input_file. |
168 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 169 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 170 | a conflicting version. */ |
252b5132 | 171 | |
04925e1e | 172 | static void |
0c7a8e5a | 173 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 174 | { |
1c9acd94 | 175 | const char *soname; |
04925e1e | 176 | struct bfd_link_needed_list *l; |
252b5132 | 177 | |
04925e1e AM |
178 | if (global_vercheck_failed) |
179 | return; | |
180 | if (s->the_bfd == NULL | |
181 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
182 | return; | |
252b5132 | 183 | |
04925e1e AM |
184 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
185 | if (soname == NULL) | |
fed2999d | 186 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
187 | |
188 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
189 | { | |
190 | const char *suffix; | |
191 | ||
1c9acd94 | 192 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
193 | { |
194 | /* Probably can't happen, but it's an easy check. */ | |
195 | continue; | |
252b5132 RH |
196 | } |
197 | ||
04925e1e | 198 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
199 | continue; |
200 | ||
04925e1e AM |
201 | suffix = strstr (l->name, ".so."); |
202 | if (suffix == NULL) | |
203 | continue; | |
204 | ||
205 | suffix += sizeof ".so." - 1; | |
206 | ||
1c9acd94 | 207 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
208 | { |
209 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
210 | the object we are considering needs a dynamic object |
211 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
212 | appears to be a version mismatch, so we tell the caller | |
213 | to try a different version of this library. */ | |
b34976b6 | 214 | global_vercheck_failed = TRUE; |
04925e1e AM |
215 | return; |
216 | } | |
252b5132 RH |
217 | } |
218 | } | |
219 | ||
252b5132 | 220 | |
04925e1e AM |
221 | /* See if an input file matches a DT_NEEDED entry by running stat on |
222 | the file. */ | |
223 | ||
224 | static void | |
0c7a8e5a | 225 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 226 | { |
04925e1e AM |
227 | struct stat st; |
228 | const char *suffix; | |
229 | const char *soname; | |
252b5132 | 230 | |
e13629bc | 231 | if (global_found != NULL) |
04925e1e AM |
232 | return; |
233 | if (s->the_bfd == NULL) | |
234 | return; | |
e13629bc AM |
235 | |
236 | /* If this input file was an as-needed entry, and wasn't found to be | |
237 | needed at the stage it was linked, then don't say we have loaded it. */ | |
238 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 239 | return; |
04925e1e AM |
240 | |
241 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 242 | { |
04925e1e AM |
243 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
244 | return; | |
245 | } | |
252b5132 | 246 | |
9eabd475 ZW |
247 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
248 | st_ino; they always set it to zero. (Windows does provide a | |
249 | meaningful st_dev.) Do not indicate a duplicate library in that | |
250 | case. While there is no guarantee that a system that provides | |
251 | meaningful inode numbers will never set st_ino to zero, this is | |
252 | merely an optimization, so we do not need to worry about false | |
253 | negatives. */ | |
04925e1e | 254 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
255 | && st.st_ino == global_stat.st_ino |
256 | && st.st_ino != 0) | |
04925e1e | 257 | { |
e13629bc | 258 | global_found = s; |
04925e1e AM |
259 | return; |
260 | } | |
252b5132 | 261 | |
04925e1e AM |
262 | /* We issue a warning if it looks like we are including two |
263 | different versions of the same shared library. For example, | |
264 | there may be a problem if -lc picks up libc.so.6 but some other | |
265 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 266 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
267 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
268 | If we really want to issue warnings about mixing version numbers | |
269 | of shared libraries, we need to find a better way. */ | |
252b5132 | 270 | |
04925e1e AM |
271 | if (strchr (global_needed->name, '/') != NULL) |
272 | return; | |
273 | suffix = strstr (global_needed->name, ".so."); | |
274 | if (suffix == NULL) | |
275 | return; | |
276 | suffix += sizeof ".so." - 1; | |
252b5132 | 277 | |
04925e1e AM |
278 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
279 | if (soname == NULL) | |
fed2999d | 280 | soname = lbasename (s->filename); |
252b5132 | 281 | |
cde43e70 | 282 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 283 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 284 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
285 | } |
286 | ||
e56f61be L |
287 | struct dt_needed |
288 | { | |
289 | bfd *by; | |
290 | const char *name; | |
291 | }; | |
04925e1e | 292 | |
252b5132 RH |
293 | /* This function is called for each possible name for a dynamic object |
294 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
295 | to skip the check for a conflicting version. */ | |
296 | ||
b34976b6 | 297 | static bfd_boolean |
e56f61be L |
298 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
299 | int force) | |
252b5132 RH |
300 | { |
301 | bfd *abfd; | |
e56f61be | 302 | const char *name = needed->name; |
ec4eb78a | 303 | const char *soname; |
e56f61be | 304 | int class; |
252b5132 RH |
305 | |
306 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
307 | if (abfd == NULL) | |
b34976b6 | 308 | return FALSE; |
252b5132 RH |
309 | if (! bfd_check_format (abfd, bfd_object)) |
310 | { | |
cde43e70 | 311 | bfd_close (abfd); |
b34976b6 | 312 | return FALSE; |
252b5132 RH |
313 | } |
314 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
315 | { | |
cde43e70 | 316 | bfd_close (abfd); |
b34976b6 | 317 | return FALSE; |
252b5132 RH |
318 | } |
319 | ||
c4bb8067 L |
320 | /* For DT_NEEDED, they have to match. */ |
321 | if (abfd->xvec != output_bfd->xvec) | |
322 | { | |
323 | bfd_close (abfd); | |
b34976b6 | 324 | return FALSE; |
c4bb8067 L |
325 | } |
326 | ||
252b5132 RH |
327 | /* Check whether this object would include any conflicting library |
328 | versions. If FORCE is set, then we skip this check; we use this | |
329 | the second time around, if we couldn't find any compatible | |
330 | instance of the shared library. */ | |
331 | ||
332 | if (! force) | |
333 | { | |
334 | struct bfd_link_needed_list *needed; | |
335 | ||
336 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
337 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
338 | ||
339 | if (needed != NULL) | |
340 | { | |
341 | global_vercheck_needed = needed; | |
b34976b6 | 342 | global_vercheck_failed = FALSE; |
252b5132 RH |
343 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
344 | if (global_vercheck_failed) | |
345 | { | |
cde43e70 | 346 | bfd_close (abfd); |
b34976b6 | 347 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 348 | another file on the search path. */ |
b34976b6 | 349 | return FALSE; |
252b5132 RH |
350 | } |
351 | ||
352 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
353 | library does not use libc at all, we are supposed to skip |
354 | it the first time around in case we encounter a shared | |
355 | library later on with the same name which does use the | |
356 | version of libc that we want. This is much too horrible | |
357 | to use on any system other than Linux. */ | |
252b5132 RH |
358 | |
359 | EOF | |
360 | case ${target} in | |
711c0baa | 361 | *-*-linux-* | *-*-k*bsd*-*) |
252b5132 RH |
362 | cat >>e${EMULATION_NAME}.c <<EOF |
363 | { | |
364 | struct bfd_link_needed_list *l; | |
365 | ||
366 | for (l = needed; l != NULL; l = l->next) | |
0112cd26 | 367 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
368 | break; |
369 | if (l == NULL) | |
370 | { | |
cde43e70 | 371 | bfd_close (abfd); |
b34976b6 | 372 | return FALSE; |
252b5132 RH |
373 | } |
374 | } | |
375 | ||
376 | EOF | |
377 | ;; | |
378 | esac | |
379 | cat >>e${EMULATION_NAME}.c <<EOF | |
380 | } | |
381 | } | |
382 | ||
383 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
384 | ||
04925e1e AM |
385 | /* We have already checked that there is no other input file of the |
386 | same name. We must now check again that we are not including the | |
387 | same file twice. We need to do this because on many systems | |
388 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
389 | reference libc.so.1. If we have already included libc.so, we | |
390 | don't want to include libc.so.1 if they are the same file, and we | |
391 | can only check that using stat. */ | |
392 | ||
393 | if (bfd_stat (abfd, &global_stat) != 0) | |
394 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
395 | |
396 | /* First strip off everything before the last '/'. */ | |
fed2999d | 397 | soname = lbasename (abfd->filename); |
ec4eb78a L |
398 | |
399 | if (trace_file_tries) | |
400 | info_msg (_("found %s at %s\n"), soname, name); | |
401 | ||
e13629bc | 402 | global_found = NULL; |
04925e1e | 403 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 404 | if (global_found != NULL) |
04925e1e | 405 | { |
b34976b6 | 406 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 407 | we aren't going to do anything with it. */ |
b34976b6 | 408 | return TRUE; |
04925e1e AM |
409 | } |
410 | ||
4a43e768 AM |
411 | /* Specify the soname to use. */ |
412 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 413 | |
4a43e768 AM |
414 | /* Tell the ELF linker that we don't want the output file to have a |
415 | DT_NEEDED entry for this file, unless it is used to resolve | |
416 | references in a regular object. */ | |
e56f61be L |
417 | class = DYN_DT_NEEDED; |
418 | ||
419 | /* Tell the ELF linker that we don't want the output file to have a | |
420 | DT_NEEDED entry for this file at all if the entry is from a file | |
421 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
422 | if (needed->by != NULL |
423 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
e56f61be L |
424 | class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
425 | ||
426 | bfd_elf_set_dyn_lib_class (abfd, class); | |
04925e1e AM |
427 | |
428 | /* Add this file into the symbol table. */ | |
429 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
430 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
431 | ||
b34976b6 | 432 | return TRUE; |
04925e1e AM |
433 | } |
434 | ||
435 | ||
436 | /* Search for a needed file in a path. */ | |
437 | ||
b34976b6 | 438 | static bfd_boolean |
e56f61be L |
439 | gld${EMULATION_NAME}_search_needed (const char *path, |
440 | struct dt_needed *n, int force) | |
04925e1e AM |
441 | { |
442 | const char *s; | |
e56f61be | 443 | const char *name = n->name; |
04925e1e | 444 | size_t len; |
e56f61be | 445 | struct dt_needed needed; |
04925e1e | 446 | |
cc5ce052 | 447 | if (name[0] == '/') |
e56f61be | 448 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 449 | |
04925e1e | 450 | if (path == NULL || *path == '\0') |
b34976b6 | 451 | return FALSE; |
e56f61be L |
452 | |
453 | needed.by = n->by; | |
454 | needed.name = n->name; | |
455 | ||
04925e1e AM |
456 | len = strlen (name); |
457 | while (1) | |
458 | { | |
459 | char *filename, *sset; | |
460 | ||
c76308d2 | 461 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
462 | if (s == NULL) |
463 | s = path + strlen (path); | |
464 | ||
465 | filename = (char *) xmalloc (s - path + len + 2); | |
466 | if (s == path) | |
467 | sset = filename; | |
468 | else | |
469 | { | |
470 | memcpy (filename, path, s - path); | |
471 | filename[s - path] = '/'; | |
472 | sset = filename + (s - path) + 1; | |
473 | } | |
474 | strcpy (sset, name); | |
475 | ||
e56f61be L |
476 | needed.name = filename; |
477 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 478 | return TRUE; |
04925e1e AM |
479 | |
480 | free (filename); | |
481 | ||
482 | if (*s == '\0') | |
483 | break; | |
484 | path = s + 1; | |
485 | } | |
486 | ||
b34976b6 | 487 | return FALSE; |
04925e1e AM |
488 | } |
489 | ||
490 | EOF | |
9c8ebd6a | 491 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 492 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a | 493 | |
c76308d2 RS |
494 | /* Add the sysroot to every entry in a path separated by |
495 | config.rpath_separator. */ | |
9c8ebd6a DJ |
496 | |
497 | static char * | |
0c7a8e5a | 498 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
499 | { |
500 | int len, colons, i; | |
501 | char *ret, *p; | |
502 | ||
503 | len = strlen (path); | |
504 | colons = 0; | |
505 | i = 0; | |
506 | while (path[i]) | |
c76308d2 | 507 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
508 | colons++; |
509 | ||
510 | if (path[i]) | |
511 | colons++; | |
512 | ||
42644a89 | 513 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
514 | ret = xmalloc (len + 1); |
515 | strcpy (ret, ld_sysroot); | |
516 | p = ret + strlen (ret); | |
517 | i = 0; | |
518 | while (path[i]) | |
c76308d2 | 519 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 520 | { |
0c7a8e5a | 521 | *p++ = path[i++]; |
9c8ebd6a DJ |
522 | strcpy (p, ld_sysroot); |
523 | p = p + strlen (p); | |
9c8ebd6a DJ |
524 | } |
525 | else | |
526 | *p++ = path[i++]; | |
527 | ||
528 | *p = 0; | |
529 | return ret; | |
530 | } | |
04925e1e | 531 | |
3dc16cab DJ |
532 | EOF |
533 | case ${target} in | |
ebe1fac1 NC |
534 | *-*-freebsd* | *-*-dragonfly*) |
535 | cat >>e${EMULATION_NAME}.c <<EOF | |
536 | /* Read the system search path the FreeBSD way rather than the Linux way. */ | |
537 | #ifdef HAVE_ELF_HINTS_H | |
538 | #include <elf-hints.h> | |
539 | #else | |
540 | #include "elf-hints-local.h" | |
541 | #endif | |
542 | ||
543 | static bfd_boolean | |
544 | gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force) | |
545 | { | |
546 | static bfd_boolean initialized; | |
547 | static char *ld_elf_hints; | |
548 | struct dt_needed needed; | |
549 | ||
550 | if (!initialized) | |
551 | { | |
552 | FILE *f; | |
553 | char *tmppath; | |
554 | ||
555 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, NULL); | |
556 | f = fopen (tmppath, FOPEN_RB); | |
557 | free (tmppath); | |
558 | if (f != NULL) | |
559 | { | |
560 | struct elfhints_hdr hdr; | |
561 | ||
562 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
563 | && hdr.magic == ELFHINTS_MAGIC | |
564 | && hdr.version == 1) | |
565 | { | |
566 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
567 | { | |
568 | char *b; | |
569 | ||
570 | b = xmalloc (hdr.dirlistlen + 1); | |
571 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
572 | hdr.dirlistlen + 1) | |
573 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 574 | |
ebe1fac1 NC |
575 | free (b); |
576 | } | |
577 | } | |
578 | fclose (f); | |
579 | } | |
580 | ||
581 | initialized = TRUE; | |
582 | } | |
583 | ||
584 | if (ld_elf_hints == NULL) | |
585 | return FALSE; | |
586 | ||
587 | needed.by = NULL; | |
588 | needed.name = name; | |
589 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed, | |
e13629bc | 590 | force); |
ebe1fac1 NC |
591 | } |
592 | EOF | |
593 | # FreeBSD | |
594 | ;; | |
595 | ||
711c0baa | 596 | *-*-linux-* | *-*-k*bsd*-*) |
3dc16cab | 597 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
598 | /* For a native linker, check the file /etc/ld.so.conf for directories |
599 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 600 | only meaningful on Linux. */ |
04925e1e | 601 | |
d3989512 | 602 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 603 | { |
d3989512 JJ |
604 | char *path; |
605 | size_t len, alloc; | |
606 | }; | |
04925e1e | 607 | |
dfcffada | 608 | static bfd_boolean |
d3989512 JJ |
609 | gld${EMULATION_NAME}_parse_ld_so_conf |
610 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
611 | ||
612 | static void | |
613 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
614 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
615 | const char *pattern) | |
616 | { | |
617 | char *newp = NULL; | |
0b48acfe | 618 | #ifdef HAVE_GLOB |
d3989512 | 619 | glob_t gl; |
0b48acfe | 620 | #endif |
d3989512 JJ |
621 | |
622 | if (pattern[0] != '/') | |
04925e1e | 623 | { |
d3989512 JJ |
624 | char *p = strrchr (filename, '/'); |
625 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 626 | |
d3989512 JJ |
627 | newp = xmalloc (p - filename + 1 + patlen); |
628 | memcpy (newp, filename, p - filename + 1); | |
629 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
630 | pattern = newp; | |
631 | } | |
04925e1e | 632 | |
0b48acfe | 633 | #ifdef HAVE_GLOB |
d3989512 JJ |
634 | if (glob (pattern, 0, NULL, &gl) == 0) |
635 | { | |
636 | size_t i; | |
637 | ||
638 | for (i = 0; i < gl.gl_pathc; ++i) | |
639 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
640 | globfree (&gl); | |
641 | } | |
0b48acfe MM |
642 | #else |
643 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
644 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
645 | #endif | |
d3989512 JJ |
646 | |
647 | if (newp) | |
648 | free (newp); | |
649 | } | |
650 | ||
dfcffada | 651 | static bfd_boolean |
d3989512 JJ |
652 | gld${EMULATION_NAME}_parse_ld_so_conf |
653 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
654 | { | |
655 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
656 | char *line; |
657 | size_t linelen; | |
d3989512 JJ |
658 | |
659 | if (f == NULL) | |
dfcffada | 660 | return FALSE; |
d3989512 | 661 | |
563f4125 JJ |
662 | linelen = 256; |
663 | line = xmalloc (linelen); | |
664 | do | |
d3989512 | 665 | { |
563f4125 JJ |
666 | char *p = line, *q; |
667 | ||
668 | /* Normally this would use getline(3), but we need to be portable. */ | |
669 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
670 | && strlen (q) == linelen - (p - line) - 1 | |
671 | && line[linelen - 2] != '\n') | |
672 | { | |
673 | line = xrealloc (line, 2 * linelen); | |
674 | p = line + linelen - 1; | |
675 | linelen += linelen; | |
676 | } | |
677 | ||
678 | if (q == NULL && p == line) | |
679 | break; | |
d3989512 JJ |
680 | |
681 | p = strchr (line, '\n'); | |
682 | if (p) | |
683 | *p = '\0'; | |
684 | ||
685 | /* Because the file format does not know any form of quoting we | |
686 | can search forward for the next '#' character and if found | |
687 | make it terminating the line. */ | |
688 | p = strchr (line, '#'); | |
689 | if (p) | |
690 | *p = '\0'; | |
691 | ||
692 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
693 | p = line; | |
694 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
695 | ++p; | |
696 | ||
697 | /* If the line is blank it is ignored. */ | |
698 | if (p[0] == '\0') | |
699 | continue; | |
04925e1e | 700 | |
0112cd26 | 701 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
702 | { |
703 | char *dir, c; | |
704 | p += 8; | |
705 | do | |
04925e1e | 706 | { |
d3989512 JJ |
707 | while (*p == ' ' || *p == '\t') |
708 | ++p; | |
04925e1e | 709 | |
d3989512 JJ |
710 | if (*p == '\0') |
711 | break; | |
252b5132 | 712 | |
d3989512 JJ |
713 | dir = p; |
714 | ||
715 | while (*p != ' ' && *p != '\t' && *p) | |
716 | ++p; | |
717 | ||
718 | c = *p; | |
719 | *p++ = '\0'; | |
720 | if (dir[0] != '\0') | |
721 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
722 | dir); | |
723 | } | |
724 | while (c != '\0'); | |
725 | } | |
726 | else | |
727 | { | |
728 | char *dir = p; | |
729 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
730 | && *p != '\r' && *p != '\v') | |
731 | ++p; | |
732 | ||
733 | while (p != dir && p[-1] == '/') | |
734 | --p; | |
735 | if (info->path == NULL) | |
736 | { | |
737 | info->alloc = p - dir + 1 + 256; | |
738 | info->path = xmalloc (info->alloc); | |
739 | info->len = 0; | |
740 | } | |
04925e1e AM |
741 | else |
742 | { | |
d3989512 JJ |
743 | if (info->len + 1 + (p - dir) >= info->alloc) |
744 | { | |
745 | info->alloc += p - dir + 256; | |
746 | info->path = xrealloc (info->path, info->alloc); | |
747 | } | |
c76308d2 | 748 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 749 | } |
d3989512 JJ |
750 | memcpy (info->path + info->len, dir, p - dir); |
751 | info->len += p - dir; | |
752 | info->path[info->len] = '\0'; | |
753 | } | |
754 | } | |
563f4125 | 755 | while (! feof (f)); |
d3989512 JJ |
756 | free (line); |
757 | fclose (f); | |
dfcffada | 758 | return TRUE; |
d3989512 | 759 | } |
252b5132 | 760 | |
d3989512 JJ |
761 | static bfd_boolean |
762 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
763 | { | |
764 | static bfd_boolean initialized; | |
765 | static char *ld_so_conf; | |
766 | struct dt_needed needed; | |
252b5132 | 767 | |
d3989512 JJ |
768 | if (! initialized) |
769 | { | |
770 | char *tmppath; | |
771 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 772 | |
d3989512 JJ |
773 | info.path = NULL; |
774 | info.len = info.alloc = 0; | |
dfcffada AM |
775 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", NULL); |
776 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) | |
777 | { | |
778 | free (tmppath); | |
779 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); | |
780 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); | |
781 | } | |
d3989512 | 782 | free (tmppath); |
dfcffada | 783 | |
d3989512 JJ |
784 | if (info.path) |
785 | { | |
786 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
787 | free (info.path); | |
788 | ld_so_conf = d; | |
04925e1e | 789 | } |
b34976b6 | 790 | initialized = TRUE; |
04925e1e | 791 | } |
49e56c49 | 792 | |
04925e1e | 793 | if (ld_so_conf == NULL) |
b34976b6 | 794 | return FALSE; |
252b5132 | 795 | |
e56f61be L |
796 | |
797 | needed.by = NULL; | |
798 | needed.name = name; | |
799 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
800 | } |
801 | ||
04925e1e | 802 | EOF |
9c8ebd6a DJ |
803 | # Linux |
804 | ;; | |
04925e1e AM |
805 | esac |
806 | fi | |
807 | cat >>e${EMULATION_NAME}.c <<EOF | |
808 | ||
252b5132 RH |
809 | /* See if an input file matches a DT_NEEDED entry by name. */ |
810 | ||
811 | static void | |
0c7a8e5a | 812 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 813 | { |
e13629bc AM |
814 | const char *soname; |
815 | ||
816 | /* Stop looking if we've found a loaded lib. */ | |
817 | if (global_found != NULL | |
818 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
819 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
820 | return; |
821 | ||
e13629bc AM |
822 | if (s->filename == NULL || s->the_bfd == NULL) |
823 | return; | |
824 | ||
825 | /* Don't look for a second non-loaded as-needed lib. */ | |
826 | if (global_found != NULL | |
827 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
828 | return; |
829 | ||
e13629bc | 830 | if (strcmp (s->filename, global_needed->name) == 0) |
252b5132 | 831 | { |
e13629bc AM |
832 | global_found = s; |
833 | return; | |
834 | } | |
577a0623 | 835 | |
e13629bc AM |
836 | if (s->search_dirs_flag) |
837 | { | |
838 | const char *f = strrchr (s->filename, '/'); | |
839 | if (f != NULL | |
840 | && strcmp (f + 1, global_needed->name) == 0) | |
577a0623 | 841 | { |
e13629bc | 842 | global_found = s; |
577a0623 AM |
843 | return; |
844 | } | |
252b5132 RH |
845 | } |
846 | ||
e13629bc AM |
847 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
848 | if (soname != NULL | |
849 | && strcmp (soname, global_needed->name) == 0) | |
252b5132 | 850 | { |
e13629bc AM |
851 | global_found = s; |
852 | return; | |
252b5132 | 853 | } |
252b5132 RH |
854 | } |
855 | ||
41392f03 AM |
856 | EOF |
857 | ||
858 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
859 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
860 | |
861 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
862 | |
863 | static void | |
0c7a8e5a | 864 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 865 | { |
04925e1e | 866 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 867 | |
eb3d5f3b JB |
868 | if (link_info.eh_frame_hdr |
869 | && ! link_info.traditional_format | |
870 | && ! link_info.relocatable) | |
871 | { | |
872 | struct elf_link_hash_table *htab; | |
873 | ||
874 | htab = elf_hash_table (&link_info); | |
875 | if (is_elf_hash_table (htab)) | |
876 | { | |
877 | bfd *abfd; | |
878 | asection *s; | |
879 | ||
880 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) | |
881 | { | |
882 | s = bfd_get_section_by_name (abfd, ".eh_frame"); | |
883 | if (s && s->size > 8 && !bfd_is_abs_section (s->output_section)) | |
884 | break; | |
885 | } | |
886 | if (abfd) | |
887 | { | |
888 | const struct elf_backend_data *bed; | |
889 | ||
890 | bed = get_elf_backend_data (abfd); | |
891 | s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr", | |
892 | bed->dynamic_sec_flags | |
893 | | SEC_READONLY); | |
894 | if (s != NULL | |
895 | && bfd_set_section_alignment (abfd, s, 2)) | |
896 | htab->eh_info.hdr_sec = s; | |
897 | else | |
898 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
899 | " --eh-frame-hdr ignored.\n"); | |
900 | } | |
901 | } | |
902 | } | |
903 | ||
04925e1e | 904 | /* We only need to worry about this when doing a final link. */ |
1049f94e | 905 | if (link_info.relocatable || !link_info.executable) |
252b5132 RH |
906 | return; |
907 | ||
04925e1e AM |
908 | /* Get the list of files which appear in DT_NEEDED entries in |
909 | dynamic objects included in the link (often there will be none). | |
910 | For each such file, we want to track down the corresponding | |
911 | library, and include the symbol table in the link. This is what | |
912 | the runtime dynamic linker will do. Tracking the files down here | |
913 | permits one dynamic object to include another without requiring | |
914 | special action by the person doing the link. Note that the | |
915 | needed list can actually grow while we are stepping through this | |
916 | loop. */ | |
917 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
918 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 919 | { |
04925e1e | 920 | struct bfd_link_needed_list *ll; |
e56f61be | 921 | struct dt_needed n, nn; |
04925e1e | 922 | int force; |
252b5132 | 923 | |
7e9f0867 AM |
924 | /* If the lib that needs this one was --as-needed and wasn't |
925 | found to be needed, then this lib isn't needed either. */ | |
926 | if (l->by != NULL | |
927 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) | |
928 | continue; | |
929 | ||
04925e1e AM |
930 | /* If we've already seen this file, skip it. */ |
931 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
932 | if ((ll->by == NULL |
933 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
934 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
935 | break; |
936 | if (ll != l) | |
937 | continue; | |
252b5132 | 938 | |
04925e1e AM |
939 | /* See if this file was included in the link explicitly. */ |
940 | global_needed = l; | |
e13629bc | 941 | global_found = NULL; |
04925e1e | 942 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
943 | if (global_found != NULL |
944 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
945 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 946 | continue; |
252b5132 | 947 | |
e56f61be L |
948 | n.by = l->by; |
949 | n.name = l->name; | |
950 | nn.by = l->by; | |
ec4eb78a L |
951 | if (trace_file_tries) |
952 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
953 | ||
e13629bc AM |
954 | /* As-needed libs specified on the command line (or linker script) |
955 | take priority over libs found in search dirs. */ | |
956 | if (global_found != NULL) | |
957 | { | |
958 | nn.name = global_found->filename; | |
959 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
960 | continue; | |
961 | } | |
962 | ||
04925e1e AM |
963 | /* We need to find this file and include the symbol table. We |
964 | want to search for the file in the same way that the dynamic | |
965 | linker will search. That means that we want to use | |
966 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
967 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
968 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
969 | We do not search using the -L arguments. | |
252b5132 | 970 | |
04925e1e AM |
971 | We search twice. The first time, we skip objects which may |
972 | introduce version mismatches. The second time, we force | |
973 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
974 | for (force = 0; force < 2; force++) | |
975 | { | |
04925e1e AM |
976 | size_t len; |
977 | search_dirs_type *search; | |
6dd8c765 | 978 | EOF |
ff925e69 | 979 | if [ "x${NATIVE}" = xyes ] ; then |
6dd8c765 | 980 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 981 | const char *lib_path; |
ff925e69 KK |
982 | EOF |
983 | fi | |
984 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
985 | cat >>e${EMULATION_NAME}.c <<EOF | |
6dd8c765 L |
986 | struct bfd_link_needed_list *rp; |
987 | int found; | |
988 | EOF | |
6dd8c765 L |
989 | fi |
990 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 991 | |
04925e1e | 992 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 993 | &n, force)) |
04925e1e | 994 | break; |
dcb0bd0e | 995 | EOF |
9c8ebd6a | 996 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 997 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 998 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 999 | &n, force)) |
04925e1e | 1000 | break; |
9c8ebd6a DJ |
1001 | EOF |
1002 | fi | |
1003 | if [ "x${NATIVE}" = xyes ] ; then | |
1004 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
1005 | if (command_line.rpath_link == NULL |
1006 | && command_line.rpath == NULL) | |
1007 | { | |
1008 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1009 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1010 | force)) |
1011 | break; | |
1012 | } | |
04925e1e | 1013 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1014 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1015 | break; |
9c8ebd6a DJ |
1016 | EOF |
1017 | fi | |
1018 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
1019 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 1020 | found = 0; |
6dd8c765 L |
1021 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
1022 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 1023 | { |
9c8ebd6a | 1024 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1025 | found = (rp->by == l->by |
9c8ebd6a | 1026 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1027 | &n, |
ec4eb78a | 1028 | force)); |
9c8ebd6a | 1029 | free (tmpname); |
ec4eb78a L |
1030 | } |
1031 | if (found) | |
1032 | break; | |
1033 | ||
04925e1e | 1034 | EOF |
04925e1e | 1035 | fi |
c1446dba L |
1036 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1037 | case ${target} in | |
ebe1fac1 NC |
1038 | *-*-freebsd* | *-*-dragonfly*) |
1039 | cat >>e${EMULATION_NAME}.c <<EOF | |
1040 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force)) | |
1041 | break; | |
1042 | EOF | |
1043 | # FreeBSD | |
1044 | ;; | |
1045 | ||
c1446dba L |
1046 | *-*-linux-* | *-*-k*bsd*-*) |
1047 | # Linux | |
1048 | cat >>e${EMULATION_NAME}.c <<EOF | |
1049 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) | |
1050 | break; | |
1051 | ||
1052 | EOF | |
1053 | ;; | |
1054 | esac | |
1055 | fi | |
04925e1e AM |
1056 | cat >>e${EMULATION_NAME}.c <<EOF |
1057 | len = strlen (l->name); | |
1058 | for (search = search_head; search != NULL; search = search->next) | |
1059 | { | |
1060 | char *filename; | |
252b5132 | 1061 | |
04925e1e AM |
1062 | if (search->cmdline) |
1063 | continue; | |
1064 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1065 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1066 | nn.name = filename; |
1067 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1068 | break; |
1069 | free (filename); | |
1070 | } | |
1071 | if (search != NULL) | |
1072 | break; | |
1073 | EOF | |
04925e1e AM |
1074 | cat >>e${EMULATION_NAME}.c <<EOF |
1075 | } | |
252b5132 | 1076 | |
04925e1e AM |
1077 | if (force < 2) |
1078 | continue; | |
252b5132 | 1079 | |
e374f1d9 | 1080 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1081 | l->name, l->by); |
1082 | } | |
1083 | } | |
252b5132 | 1084 | |
41392f03 AM |
1085 | EOF |
1086 | fi | |
1087 | ||
1088 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1089 | |
04925e1e | 1090 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1091 | |
04925e1e | 1092 | static void |
0c7a8e5a | 1093 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1094 | { |
4ea42fb7 | 1095 | bfd_boolean provide = FALSE; |
04925e1e AM |
1096 | |
1097 | switch (exp->type.node_class) | |
252b5132 | 1098 | { |
04925e1e | 1099 | case etree_provide: |
4ea42fb7 AM |
1100 | provide = TRUE; |
1101 | /* Fall thru */ | |
1102 | case etree_assign: | |
04925e1e AM |
1103 | /* We call record_link_assignment even if the symbol is defined. |
1104 | This is because if it is defined by a dynamic object, we | |
1105 | actually want to use the value defined by the linker script, | |
1106 | not the value from the dynamic object (because we are setting | |
1107 | symbols like etext). If the symbol is defined by a regular | |
1108 | object, then, as it happens, calling record_link_assignment | |
1109 | will do no harm. */ | |
04925e1e | 1110 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1111 | { |
fe21a8fc L |
1112 | if (!bfd_elf_record_link_assignment (output_bfd, &link_info, |
1113 | exp->assign.dst, provide, | |
1114 | exp->assign.hidden)) | |
04925e1e AM |
1115 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1116 | exp->assign.dst); | |
252b5132 | 1117 | } |
04925e1e AM |
1118 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1119 | break; | |
252b5132 | 1120 | |
04925e1e AM |
1121 | case etree_binary: |
1122 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1123 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1124 | break; | |
252b5132 | 1125 | |
04925e1e AM |
1126 | case etree_trinary: |
1127 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1128 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1129 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1130 | break; | |
252b5132 | 1131 | |
04925e1e AM |
1132 | case etree_unary: |
1133 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1134 | break; | |
252b5132 | 1135 | |
04925e1e AM |
1136 | default: |
1137 | break; | |
252b5132 RH |
1138 | } |
1139 | } | |
1140 | ||
04925e1e AM |
1141 | |
1142 | /* This is called by the before_allocation routine via | |
1143 | lang_for_each_statement. It locates any assignment statements, and | |
1144 | tells the ELF backend about them, in case they are assignments to | |
1145 | symbols which are referred to by dynamic objects. */ | |
1146 | ||
1147 | static void | |
0c7a8e5a | 1148 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1149 | { |
1150 | if (s->header.type == lang_assignment_statement_enum) | |
1151 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1152 | } | |
1153 | ||
41392f03 AM |
1154 | EOF |
1155 | ||
1156 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1157 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1158 | ELF_INTERPRETER_SET_DEFAULT=" | |
1159 | if (sinterp != NULL) | |
1160 | { | |
5718918d AM |
1161 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1162 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1163 | } |
1164 | ||
1165 | " | |
1166 | else | |
1167 | ELF_INTERPRETER_SET_DEFAULT= | |
1168 | fi | |
41392f03 | 1169 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 1170 | |
252b5132 RH |
1171 | /* This is called after the sections have been attached to output |
1172 | sections, but before any sizes or addresses have been set. */ | |
1173 | ||
1174 | static void | |
0c7a8e5a | 1175 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1176 | { |
1177 | const char *rpath; | |
1178 | asection *sinterp; | |
1179 | ||
fd574c46 | 1180 | if (link_info.hash->type == bfd_link_elf_hash_table) |
e1918d23 AM |
1181 | _bfd_elf_tls_setup (output_bfd, &link_info); |
1182 | ||
252b5132 RH |
1183 | /* If we are going to make any variable assignments, we need to let |
1184 | the ELF backend know about them in case the variables are | |
1185 | referred to by dynamic objects. */ | |
1186 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1187 | ||
1188 | /* Let the ELF backend work out the sizes of any sections required | |
1189 | by dynamic linking. */ | |
1190 | rpath = command_line.rpath; | |
1191 | if (rpath == NULL) | |
1192 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
5a580b3a | 1193 | if (! (bfd_elf_size_dynamic_sections |
0c7a8e5a | 1194 | (output_bfd, command_line.soname, rpath, |
605d9b3a | 1195 | command_line.filter_shlib, |
252b5132 RH |
1196 | (const char * const *) command_line.auxiliary_filters, |
1197 | &link_info, &sinterp, lang_elf_version_info))) | |
1198 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
8423293d | 1199 | |
57e6abd2 | 1200 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1201 | /* Let the user override the dynamic linker we are using. */ |
1202 | if (command_line.interpreter != NULL | |
1203 | && sinterp != NULL) | |
1204 | { | |
1205 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1206 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1207 | } |
1208 | ||
1209 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1210 | we treat such sections as containing warning messages. We print | |
1211 | out the warning message, and then zero out the section size so | |
1212 | that it does not get copied into the output file. */ | |
1213 | ||
1214 | { | |
1215 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1216 | { | |
1217 | asection *s; | |
1218 | bfd_size_type sz; | |
1219 | char *msg; | |
b34976b6 | 1220 | bfd_boolean ret; |
252b5132 RH |
1221 | |
1222 | if (is->just_syms_flag) | |
1223 | continue; | |
1224 | ||
1225 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1226 | if (s == NULL) | |
1227 | continue; | |
1228 | ||
eea6121a | 1229 | sz = s->size; |
bc251d50 VP |
1230 | msg = xmalloc ((size_t) (sz + 1)); |
1231 | if (! bfd_get_section_contents (is->the_bfd, s, msg, | |
8c675694 | 1232 | (file_ptr) 0, sz)) |
252b5132 RH |
1233 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1234 | is->the_bfd); | |
bc251d50 | 1235 | msg[sz] = '\0'; |
252b5132 RH |
1236 | ret = link_info.callbacks->warning (&link_info, msg, |
1237 | (const char *) NULL, | |
1238 | is->the_bfd, (asection *) NULL, | |
1239 | (bfd_vma) 0); | |
1240 | ASSERT (ret); | |
1241 | free (msg); | |
1242 | ||
9e3be61d AM |
1243 | /* Clobber the section size, so that we don't waste space |
1244 | copying the warning into the output file. If we've already | |
1245 | sized the output section, adjust its size. The adjustment | |
1246 | is on rawsize because targets that size sections early will | |
1247 | have called lang_reset_memory_regions after sizing. */ | |
1248 | if (s->output_section != NULL | |
1249 | && s->output_section->rawsize >= s->size) | |
1250 | s->output_section->rawsize -= s->size; | |
1251 | ||
eea6121a | 1252 | s->size = 0; |
11d2f718 | 1253 | |
9e3be61d AM |
1254 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1255 | warning section don't get copied to the output. */ | |
a14a5de3 | 1256 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1257 | } |
1258 | } | |
8423293d | 1259 | |
1e035701 | 1260 | before_allocation_default (); |
8423293d AM |
1261 | |
1262 | if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info)) | |
1263 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
252b5132 RH |
1264 | } |
1265 | ||
41392f03 AM |
1266 | EOF |
1267 | fi | |
1268 | ||
1269 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
1270 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1271 | |
04925e1e AM |
1272 | /* Try to open a dynamic archive. This is where we know that ELF |
1273 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1274 | like hpux). */ | |
1275 | ||
b34976b6 | 1276 | static bfd_boolean |
0c7a8e5a AM |
1277 | gld${EMULATION_NAME}_open_dynamic_archive |
1278 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1279 | { |
04925e1e AM |
1280 | const char *filename; |
1281 | char *string; | |
252b5132 | 1282 | |
04925e1e | 1283 | if (! entry->is_archive) |
b34976b6 | 1284 | return FALSE; |
252b5132 | 1285 | |
04925e1e | 1286 | filename = entry->filename; |
252b5132 | 1287 | |
04925e1e AM |
1288 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1289 | is defined, but it does not seem worth the headache to optimize | |
1290 | away those two bytes of space. */ | |
1291 | string = (char *) xmalloc (strlen (search->name) | |
1292 | + strlen (filename) | |
1293 | + strlen (arch) | |
1294 | #ifdef EXTRA_SHLIB_EXTENSION | |
1295 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1296 | #endif | |
1297 | + sizeof "/lib.so"); | |
1298 | ||
1299 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1300 | ||
1301 | #ifdef EXTRA_SHLIB_EXTENSION | |
1302 | /* Try the .so extension first. If that fails build a new filename | |
1303 | using EXTRA_SHLIB_EXTENSION. */ | |
1304 | if (! ldfile_try_open_bfd (string, entry)) | |
1305 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1306 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
1307 | #endif | |
1308 | ||
1309 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1310 | { |
04925e1e | 1311 | free (string); |
b34976b6 | 1312 | return FALSE; |
04925e1e | 1313 | } |
252b5132 | 1314 | |
04925e1e | 1315 | entry->filename = string; |
252b5132 | 1316 | |
04925e1e AM |
1317 | /* We have found a dynamic object to include in the link. The ELF |
1318 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1319 | section naming this file. If this file includes a DT_SONAME | |
1320 | entry, it will be used. Otherwise, the ELF linker will just use | |
1321 | the name of the file. For an archive found by searching, like | |
1322 | this one, the DT_NEEDED entry should consist of just the name of | |
1323 | the file, without the path information used to find it. Note | |
1324 | that we only need to do this if we have a dynamic object; an | |
1325 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1326 | |
04925e1e AM |
1327 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1328 | very pretty. I haven't been able to think of anything that is | |
1329 | pretty, though. */ | |
1330 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1331 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1332 | { | |
04925e1e | 1333 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1334 | |
04925e1e | 1335 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1336 | filename we recorded earlier. */ |
04925e1e | 1337 | |
fed2999d | 1338 | filename = lbasename (entry->filename); |
1c9acd94 | 1339 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1340 | } |
1341 | ||
b34976b6 | 1342 | return TRUE; |
04925e1e AM |
1343 | } |
1344 | ||
41392f03 AM |
1345 | EOF |
1346 | fi | |
cde43e70 AM |
1347 | |
1348 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1349 | cat >>e${EMULATION_NAME}.c <<EOF |
1350 | ||
afd7a018 | 1351 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1352 | |
04925e1e | 1353 | static lang_output_section_statement_type * |
2a36a117 | 1354 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1355 | { |
04925e1e | 1356 | lang_output_section_statement_type *lookup; |
ba493122 | 1357 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1358 | lang_output_section_statement_type *last_alloc = NULL; |
ba493122 AM |
1359 | lang_output_section_statement_type *last_rel = NULL; |
1360 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1361 | int rela = sec->name[4] == 'a'; |
04925e1e | 1362 | |
afd7a018 AM |
1363 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1364 | lookup != NULL; | |
1365 | lookup = lookup->next) | |
04925e1e | 1366 | { |
0841712e | 1367 | if (lookup->constraint != -1 |
0112cd26 | 1368 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1369 | { |
24cdb50a | 1370 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1371 | |
2a36a117 AM |
1372 | /* .rel.dyn must come before all other reloc sections, to suit |
1373 | GNU ld.so. */ | |
1374 | if (isdyn) | |
1375 | break; | |
1376 | ||
1377 | /* Don't place after .rel.plt as doing so results in wrong | |
1378 | dynamic tags. */ | |
1379 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1380 | break; |
2a36a117 AM |
1381 | |
1382 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1383 | last_rel = lookup; |
2a36a117 AM |
1384 | if ((rela == lookrela || last_rel_alloc == NULL) |
1385 | && lookup->bfd_section != NULL | |
ba493122 AM |
1386 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1387 | last_rel_alloc = lookup; | |
04925e1e | 1388 | } |
2a36a117 AM |
1389 | |
1390 | last = lookup; | |
1391 | if (lookup->bfd_section != NULL | |
1392 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1393 | last_alloc = lookup; | |
252b5132 | 1394 | } |
ba493122 AM |
1395 | |
1396 | if (last_rel_alloc) | |
1397 | return last_rel_alloc; | |
1398 | ||
1399 | if (last_rel) | |
1400 | return last_rel; | |
1401 | ||
2a36a117 AM |
1402 | if (last_alloc) |
1403 | return last_alloc; | |
1404 | ||
ba493122 | 1405 | return last; |
252b5132 RH |
1406 | } |
1407 | ||
1408 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1409 | sections in the right segment. */ | |
1410 | ||
b34976b6 | 1411 | static bfd_boolean |
7b986e99 | 1412 | gld${EMULATION_NAME}_place_orphan (asection *s) |
252b5132 | 1413 | { |
afd7a018 AM |
1414 | static struct orphan_save hold[] = |
1415 | { | |
1416 | { ".text", | |
1417 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1418 | 0, 0, 0, 0 }, | |
1419 | { ".rodata", | |
1420 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1421 | 0, 0, 0, 0 }, | |
1422 | { ".data", | |
1423 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1424 | 0, 0, 0, 0 }, | |
1425 | { ".bss", | |
1426 | SEC_ALLOC, | |
1427 | 0, 0, 0, 0 }, | |
1428 | { 0, | |
1429 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1430 | 0, 0, 0, 0 }, | |
1431 | { ".interp", | |
1432 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1433 | 0, 0, 0, 0 }, | |
1434 | { ".sdata", | |
1435 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
1436 | 0, 0, 0, 0 } | |
1437 | }; | |
1438 | enum orphan_save_index | |
1439 | { | |
1440 | orphan_text = 0, | |
1441 | orphan_rodata, | |
1442 | orphan_data, | |
1443 | orphan_bss, | |
1444 | orphan_rel, | |
1445 | orphan_interp, | |
1446 | orphan_sdata | |
1447 | }; | |
1448 | static int orphan_init_done = 0; | |
6a345e87 | 1449 | struct orphan_save *place; |
a854a4a7 | 1450 | const char *secname; |
afd7a018 | 1451 | lang_output_section_statement_type *after; |
252b5132 | 1452 | lang_output_section_statement_type *os; |
24cdb50a | 1453 | int isdyn = 0; |
ecca9871 L |
1454 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1455 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1456 | |
aea4bd9d | 1457 | secname = bfd_get_section_name (s->owner, s); |
9f61903d | 1458 | |
1049f94e | 1459 | if (! link_info.relocatable |
24cdb50a | 1460 | && link_info.combreloc |
ecca9871 | 1461 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1462 | { |
ecca9871 L |
1463 | if (iself) |
1464 | switch (sh_type) | |
1465 | { | |
1466 | case SHT_RELA: | |
1467 | secname = ".rela.dyn"; | |
1468 | isdyn = 1; | |
1469 | break; | |
1470 | case SHT_REL: | |
1471 | secname = ".rel.dyn"; | |
1472 | isdyn = 1; | |
1473 | break; | |
1474 | default: | |
1475 | break; | |
1476 | } | |
0112cd26 | 1477 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1478 | { |
1479 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1480 | isdyn = 1; | |
1481 | } | |
24cdb50a | 1482 | } |
aea4bd9d | 1483 | |
d0d6a25b | 1484 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s))) |
252b5132 | 1485 | { |
6d02a667 | 1486 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1487 | os = lang_output_section_find (secname); |
1488 | ||
1489 | if (os != NULL | |
0f33d40b | 1490 | && (os->bfd_section == NULL |
afd7a018 | 1491 | || os->bfd_section->flags == 0 |
390fbbf1 AM |
1492 | || (_bfd_elf_match_sections_by_type (output_bfd, |
1493 | os->bfd_section, | |
1494 | s->owner, s) | |
ecca9871 L |
1495 | && ((s->flags ^ os->bfd_section->flags) |
1496 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
a854a4a7 | 1497 | { |
0f33d40b | 1498 | /* We already have an output section statement with this |
afd7a018 AM |
1499 | name, and its bfd section, if any, has compatible flags. |
1500 | If the section already exists but does not have any flags | |
1501 | set, then it has been created by the linker, probably as a | |
1502 | result of a --section-start command line switch. */ | |
7b986e99 | 1503 | lang_add_section (&os->children, s, os); |
b34976b6 | 1504 | return TRUE; |
a854a4a7 | 1505 | } |
252b5132 RH |
1506 | } |
1507 | ||
afd7a018 AM |
1508 | if (!orphan_init_done) |
1509 | { | |
1510 | struct orphan_save *ho; | |
1511 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1512 | if (ho->name != NULL) | |
1513 | { | |
1514 | ho->os = lang_output_section_find (ho->name); | |
1515 | if (ho->os != NULL && ho->os->flags == 0) | |
1516 | ho->os->flags = ho->flags; | |
1517 | } | |
1518 | orphan_init_done = 1; | |
1519 | } | |
252b5132 RH |
1520 | |
1521 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1522 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1523 | if (link_info.executable |
1049f94e | 1524 | && ! link_info.relocatable |
0112cd26 | 1525 | && CONST_STRNEQ (secname, ".gnu.warning.") |
afd7a018 | 1526 | && hold[orphan_text].os != NULL) |
252b5132 | 1527 | { |
afd7a018 | 1528 | lang_add_section (&hold[orphan_text].os->children, s, |
7b986e99 | 1529 | hold[orphan_text].os); |
b34976b6 | 1530 | return TRUE; |
252b5132 RH |
1531 | } |
1532 | ||
1533 | /* Decide which segment the section should go in based on the | |
1534 | section name and section flags. We put loadable .note sections | |
1535 | right after the .interp section, so that the PT_NOTE segment is | |
1536 | stored right after the program headers where the OS can read it | |
1537 | in the first page. */ | |
aea4bd9d | 1538 | |
71bfc0ae AM |
1539 | place = NULL; |
1540 | if ((s->flags & SEC_ALLOC) == 0) | |
1541 | ; | |
252b5132 | 1542 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1543 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1544 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 AM |
1545 | place = &hold[orphan_interp]; |
1546 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1547 | place = &hold[orphan_bss]; | |
1548 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1549 | place = &hold[orphan_sdata]; | |
1550 | else if ((s->flags & SEC_READONLY) == 0) | |
1551 | place = &hold[orphan_data]; | |
ecca9871 | 1552 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1553 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1554 | && (s->flags & SEC_LOAD) != 0) |
1555 | place = &hold[orphan_rel]; | |
1556 | else if ((s->flags & SEC_CODE) == 0) | |
1557 | place = &hold[orphan_rodata]; | |
1558 | else | |
1559 | place = &hold[orphan_text]; | |
71bfc0ae | 1560 | |
afd7a018 | 1561 | after = NULL; |
5ba47421 | 1562 | if (place != NULL) |
252b5132 | 1563 | { |
afd7a018 | 1564 | if (place->os == NULL) |
5ba47421 | 1565 | { |
afd7a018 AM |
1566 | if (place->name != NULL) |
1567 | place->os = lang_output_section_find (place->name); | |
1568 | else | |
1569 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1570 | } |
afd7a018 AM |
1571 | after = place->os; |
1572 | if (after == NULL) | |
390fbbf1 AM |
1573 | after = lang_output_section_find_by_flags |
1574 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1575 | if (after == NULL) |
1576 | /* *ABS* is always the first output section statement. */ | |
1577 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1578 | } |
1579 | ||
afd7a018 AM |
1580 | /* Choose a unique name for the section. This will be needed if the |
1581 | same section name appears in the input file with different | |
1582 | loadable or allocatable characteristics. */ | |
1583 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) | |
252b5132 | 1584 | { |
afd7a018 AM |
1585 | static int count = 1; |
1586 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); | |
1587 | if (secname == NULL) | |
1588 | einfo ("%F%P: place_orphan failed: %E\n"); | |
71bfc0ae | 1589 | } |
5ba47421 | 1590 | |
7b986e99 | 1591 | lang_insert_orphan (s, secname, after, place, NULL, NULL); |
252b5132 | 1592 | |
b34976b6 | 1593 | return TRUE; |
252b5132 | 1594 | } |
c56feb2b AM |
1595 | EOF |
1596 | fi | |
1597 | ||
1598 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1599 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1600 | |
deb04cdb AM |
1601 | static void |
1602 | gld${EMULATION_NAME}_finish (void) | |
1603 | { | |
8ded5a0f | 1604 | bfd_boolean need_layout = bfd_elf_discard_info (output_bfd, &link_info); |
81e1b023 | 1605 | |
8ded5a0f | 1606 | gld${EMULATION_NAME}_map_segments (need_layout); |
1e035701 | 1607 | finish_default (); |
73d074b4 | 1608 | } |
41392f03 AM |
1609 | EOF |
1610 | fi | |
1611 | ||
1612 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1613 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1614 | |
1615 | static char * | |
0c7a8e5a | 1616 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1617 | EOF |
1618 | ||
1619 | if test -n "$COMPILE_IN" | |
1620 | then | |
1621 | # Scripts compiled in. | |
1622 | ||
1623 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1624 | sc="-f stringify.sed" |
252b5132 RH |
1625 | |
1626 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1627 | { |
252b5132 RH |
1628 | *isfile = 0; |
1629 | ||
1049f94e | 1630 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1631 | return |
252b5132 | 1632 | EOF |
afd7a018 AM |
1633 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1634 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1635 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1636 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1637 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1638 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1639 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1640 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1641 | fi |
36af4a4e JJ |
1642 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1643 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1644 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1645 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1646 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1647 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1648 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1649 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 1650 | fi |
afd7a018 AM |
1651 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
1652 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 1653 | fi |
252b5132 | 1654 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1655 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1656 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
1657 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1658 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1659 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 1660 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1661 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1662 | fi |
afd7a018 AM |
1663 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1664 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1665 | fi |
82434356 | 1666 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1667 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
1668 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 AM |
1669 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
1670 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
1671 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1672 | fi |
afd7a018 AM |
1673 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1674 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1675 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1676 | |
1677 | else | |
1678 | # Scripts read from the filesystem. | |
1679 | ||
1680 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1681 | { |
252b5132 RH |
1682 | *isfile = 1; |
1683 | ||
1049f94e | 1684 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1685 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1686 | else if (link_info.relocatable) |
252b5132 RH |
1687 | return "ldscripts/${EMULATION_NAME}.xr"; |
1688 | else if (!config.text_read_only) | |
1689 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
1690 | EOF |
1691 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
1692 | else | |
1693 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1694 | else if (!config.magic_demand_paged) |
1695 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
1696 | EOF |
1697 | fi | |
36af4a4e JJ |
1698 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1699 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1700 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1701 | else if (link_info.pie && link_info.combreloc |
1702 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1703 | return "ldscripts/${EMULATION_NAME}.xdw"; | |
36af4a4e JJ |
1704 | else if (link_info.pie && link_info.combreloc) |
1705 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
1706 | EOF | |
1707 | fi | |
1708 | cat >>e${EMULATION_NAME}.c <<EOF | |
1709 | else if (link_info.pie) | |
1710 | return "ldscripts/${EMULATION_NAME}.xd"; | |
1711 | EOF | |
1712 | fi | |
a060b769 AM |
1713 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
1714 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1715 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1716 | else if (link_info.shared && link_info.combreloc |
1717 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1718 | return "ldscripts/${EMULATION_NAME}.xsw"; | |
a060b769 AM |
1719 | else if (link_info.shared && link_info.combreloc) |
1720 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
1721 | EOF | |
1722 | fi | |
1723 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1724 | else if (link_info.shared) |
1725 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
1726 | EOF |
1727 | fi | |
1728 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1729 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1730 | else if (link_info.combreloc && link_info.relro |
1731 | && (link_info.flags & DT_BIND_NOW)) | |
1732 | return "ldscripts/${EMULATION_NAME}.xw"; | |
a060b769 AM |
1733 | else if (link_info.combreloc) |
1734 | return "ldscripts/${EMULATION_NAME}.xc"; | |
1735 | EOF | |
1736 | fi | |
1737 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1738 | else |
1739 | return "ldscripts/${EMULATION_NAME}.x"; | |
1740 | } | |
252b5132 | 1741 | |
3b108066 | 1742 | EOF |
41392f03 AM |
1743 | fi |
1744 | fi | |
3b108066 | 1745 | |
41392f03 | 1746 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1747 | |
e0ee487b L |
1748 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1749 | cat >>e${EMULATION_NAME}.c <<EOF | |
1750 | $PARSE_AND_LIST_PROLOGUE | |
1751 | EOF | |
1752 | fi | |
1753 | ||
e0ee487b L |
1754 | cat >>e${EMULATION_NAME}.c <<EOF |
1755 | ||
6c1439be L |
1756 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1757 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1758 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1759 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 1760 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 1761 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
e13629bc | 1762 | |
3bcf5557 | 1763 | static void |
0c7a8e5a AM |
1764 | gld${EMULATION_NAME}_add_options |
1765 | (int ns, char **shortopts, int nl, struct option **longopts, | |
1766 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 1767 | { |
3bcf5557 AM |
1768 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; |
1769 | static const struct option xtra_long[] = { | |
e0ee487b | 1770 | EOF |
e0ee487b L |
1771 | |
1772 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1773 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 AM |
1774 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1775 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
1776 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 1777 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 1778 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
3bcf5557 | 1779 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
e0ee487b L |
1780 | EOF |
1781 | fi | |
1782 | ||
1783 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1784 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 | 1785 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
1786 | EOF |
1787 | fi | |
1788 | ||
e0ee487b | 1789 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1790 | {NULL, no_argument, NULL, 0} |
1791 | }; | |
1792 | ||
1793 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
1794 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
1795 | *longopts = (struct option *) | |
1796 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
1797 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
1798 | } | |
04925e1e | 1799 | |
3bcf5557 | 1800 | static bfd_boolean |
0c7a8e5a | 1801 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 1802 | { |
e0ee487b L |
1803 | switch (optc) |
1804 | { | |
1805 | default: | |
3bcf5557 | 1806 | return FALSE; |
6c1439be | 1807 | |
e0ee487b | 1808 | EOF |
e0ee487b L |
1809 | |
1810 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1811 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1812 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1813 | link_info.new_dtags = FALSE; |
6c1439be L |
1814 | break; |
1815 | ||
1816 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1817 | link_info.new_dtags = TRUE; |
6c1439be L |
1818 | break; |
1819 | ||
65765700 | 1820 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1821 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1822 | break; |
1823 | ||
a1ab1d2a UD |
1824 | case OPTION_GROUP: |
1825 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1826 | /* Groups must be self-contained. */ | |
560e09e9 NC |
1827 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
1828 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
1829 | break; |
1830 | ||
b58f81ae DJ |
1831 | case OPTION_EXCLUDE_LIBS: |
1832 | add_excluded_libs (optarg); | |
1833 | break; | |
1834 | ||
fdc90cb4 JJ |
1835 | case OPTION_HASH_STYLE: |
1836 | link_info.emit_hash = FALSE; | |
1837 | link_info.emit_gnu_hash = FALSE; | |
1838 | if (strcmp (optarg, "sysv") == 0) | |
1839 | link_info.emit_hash = TRUE; | |
1840 | else if (strcmp (optarg, "gnu") == 0) | |
1841 | link_info.emit_gnu_hash = TRUE; | |
1842 | else if (strcmp (optarg, "both") == 0) | |
1843 | { | |
1844 | link_info.emit_hash = TRUE; | |
1845 | link_info.emit_gnu_hash = TRUE; | |
1846 | } | |
1847 | else | |
1848 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
1849 | break; | |
1850 | ||
e0ee487b L |
1851 | case 'z': |
1852 | if (strcmp (optarg, "initfirst") == 0) | |
1853 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1854 | else if (strcmp (optarg, "interpose") == 0) | |
1855 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1856 | else if (strcmp (optarg, "loadfltr") == 0) | |
1857 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1858 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1859 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1860 | else if (strcmp (optarg, "nodelete") == 0) | |
1861 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1862 | else if (strcmp (optarg, "nodlopen") == 0) | |
1863 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1864 | else if (strcmp (optarg, "nodump") == 0) | |
1865 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1866 | else if (strcmp (optarg, "now") == 0) | |
1867 | { | |
1868 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1869 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1870 | } | |
5fa222e4 AM |
1871 | else if (strcmp (optarg, "lazy") == 0) |
1872 | { | |
1873 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
1874 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
1875 | } | |
e0ee487b L |
1876 | else if (strcmp (optarg, "origin") == 0) |
1877 | { | |
1878 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1879 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1880 | } | |
a1ab1d2a | 1881 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 1882 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 1883 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1884 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1885 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1886 | link_info.combreloc = TRUE; |
db6751f2 | 1887 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1888 | link_info.combreloc = FALSE; |
8bd621d8 | 1889 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 1890 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
1891 | else if (strcmp (optarg, "execstack") == 0) |
1892 | { | |
1893 | link_info.execstack = TRUE; | |
1894 | link_info.noexecstack = FALSE; | |
1895 | } | |
1896 | else if (strcmp (optarg, "noexecstack") == 0) | |
1897 | { | |
1898 | link_info.noexecstack = TRUE; | |
1899 | link_info.execstack = FALSE; | |
1900 | } | |
88b882e9 L |
1901 | EOF |
1902 | ||
1903 | if test -n "$COMMONPAGESIZE"; then | |
1904 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1905 | else if (strcmp (optarg, "relro") == 0) |
1906 | link_info.relro = TRUE; | |
1907 | else if (strcmp (optarg, "norelro") == 0) | |
1908 | link_info.relro = FALSE; | |
88b882e9 L |
1909 | EOF |
1910 | fi | |
1911 | ||
1912 | cat >>e${EMULATION_NAME}.c <<EOF | |
0112cd26 | 1913 | else if (CONST_STRNEQ (optarg, "max-page-size=")) |
24718e3b L |
1914 | { |
1915 | char *end; | |
0112cd26 | 1916 | |
24718e3b | 1917 | config.maxpagesize = strtoul (optarg + 14, &end, 0); |
b8142865 | 1918 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) |
24718e3b L |
1919 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), |
1920 | optarg + 14); | |
b8142865 L |
1921 | ASSERT (default_target != NULL); |
1922 | bfd_emul_set_maxpagesize (default_target, config.maxpagesize); | |
24718e3b | 1923 | } |
0112cd26 | 1924 | else if (CONST_STRNEQ (optarg, "common-page-size=")) |
24718e3b L |
1925 | { |
1926 | char *end; | |
1927 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
b8142865 L |
1928 | if (*end |
1929 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
24718e3b L |
1930 | einfo (_("%P%F: invalid common page size \`%s'\n"), |
1931 | optarg + 17); | |
b8142865 L |
1932 | ASSERT (default_target != NULL); |
1933 | bfd_emul_set_commonpagesize (default_target, | |
1934 | config.commonpagesize); | |
24718e3b | 1935 | } |
e0ee487b | 1936 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1937 | break; |
e0ee487b L |
1938 | EOF |
1939 | fi | |
1940 | ||
1941 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1942 | cat >>e${EMULATION_NAME}.c <<EOF | |
1943 | $PARSE_AND_LIST_ARGS_CASES | |
1944 | EOF | |
1945 | fi | |
1946 | ||
e0ee487b L |
1947 | cat >>e${EMULATION_NAME}.c <<EOF |
1948 | } | |
1949 | ||
3bcf5557 | 1950 | return TRUE; |
e0ee487b L |
1951 | } |
1952 | ||
41392f03 | 1953 | EOF |
41392f03 | 1954 | |
4b209b22 | 1955 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1956 | cat >>e${EMULATION_NAME}.c <<EOF |
1957 | ||
e0ee487b | 1958 | static void |
0c7a8e5a | 1959 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b L |
1960 | { |
1961 | EOF | |
e0ee487b L |
1962 | |
1963 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1964 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1965 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1966 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1967 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1968 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
fdc90cb4 | 1969 | fprintf (file, _(" --hash-style=STYLE\tSet hash style to sysv, gnu or both\n")); |
ec38dd05 | 1970 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
560e09e9 | 1971 | fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n")); |
9ee5e499 | 1972 | fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n")); |
f813923c HPN |
1973 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1974 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
5fa222e4 | 1975 | fprintf (file, _(" -z lazy\t\tMark object lazy runtime binding (default)\n")); |
e0ee487b | 1976 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1977 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1978 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1979 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1980 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1981 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1982 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1983 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
10b4329d | 1984 | fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n")); |
88b882e9 L |
1985 | EOF |
1986 | ||
1987 | if test -n "$COMMONPAGESIZE"; then | |
1988 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b | 1989 | fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n")); |
88b882e9 L |
1990 | EOF |
1991 | fi | |
1992 | ||
1993 | cat >>e${EMULATION_NAME}.c <<EOF | |
e0ee487b | 1994 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1995 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
88b882e9 L |
1996 | EOF |
1997 | ||
1998 | if test -n "$COMMONPAGESIZE"; then | |
1999 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b | 2000 | fprintf (file, _(" -z relro\t\tCreate RELRO program header\n")); |
88b882e9 L |
2001 | EOF |
2002 | fi | |
2003 | ||
2004 | cat >>e${EMULATION_NAME}.c <<EOF | |
24718e3b L |
2005 | fprintf (file, _(" -z max-page-size=SIZE\tSet maximum page size to SIZE\n")); |
2006 | fprintf (file, _(" -z common-page-size=SIZE\n\t\t\tSet common page size to SIZE\n")); | |
19e3be22 | 2007 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
2008 | EOF |
2009 | fi | |
2010 | ||
2011 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
2012 | cat >>e${EMULATION_NAME}.c <<EOF | |
2013 | $PARSE_AND_LIST_OPTIONS | |
2014 | EOF | |
2015 | fi | |
2016 | ||
e0ee487b L |
2017 | cat >>e${EMULATION_NAME}.c <<EOF |
2018 | } | |
2019 | EOF | |
e0ee487b L |
2020 | |
2021 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
2022 | cat >>e${EMULATION_NAME}.c <<EOF | |
2023 | $PARSE_AND_LIST_EPILOGUE | |
2024 | EOF | |
2025 | fi | |
41392f03 AM |
2026 | fi |
2027 | else | |
41392f03 | 2028 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
2029 | #define gld${EMULATION_NAME}_add_options NULL |
2030 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 2031 | EOF |
4b209b22 | 2032 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 2033 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 2034 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
2035 | EOF |
2036 | fi | |
2037 | fi | |
e0ee487b | 2038 | |
252b5132 RH |
2039 | cat >>e${EMULATION_NAME}.c <<EOF |
2040 | ||
60bcf0fa | 2041 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2042 | { |
41392f03 AM |
2043 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2044 | ${LDEMUL_SYSLIB-syslib_default}, | |
2045 | ${LDEMUL_HLL-hll_default}, | |
2046 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
2047 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
2048 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
2049 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
2050 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2051 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2052 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2053 | "${EMULATION_NAME}", |
2054 | "${OUTPUT_FORMAT}", | |
c56feb2b | 2055 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
2056 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2057 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2058 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2059 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2060 | ${LDEMUL_PARSE_ARGS-NULL}, |
2061 | gld${EMULATION_NAME}_add_options, | |
2062 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2063 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 2064 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 2065 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2066 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 2067 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
2068 | }; |
2069 | EOF |