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 ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
dfcffada | 16 | 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
75be928b | 34 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
35 | |
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
34875e64 | 38 | #include "config.h" |
252b5132 RH |
39 | #include "bfd.h" |
40 | #include "sysdep.h" | |
1c9acd94 | 41 | #include "libiberty.h" |
3882b010 | 42 | #include "safe-ctype.h" |
fcf65871 | 43 | #include "getopt.h" |
252b5132 RH |
44 | |
45 | #include "bfdlink.h" | |
46 | ||
47 | #include "ld.h" | |
48 | #include "ldmain.h" | |
252b5132 RH |
49 | #include "ldmisc.h" |
50 | #include "ldexp.h" | |
51 | #include "ldlang.h" | |
b71e2778 AM |
52 | #include "ldfile.h" |
53 | #include "ldemul.h" | |
df2a7313 | 54 | #include <ldgram.h> |
e0ee487b | 55 | #include "elf/common.h" |
ecca9871 | 56 | #include "elf-bfd.h" |
252b5132 | 57 | |
0c7a8e5a AM |
58 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
59 | static void gld${EMULATION_NAME}_before_parse (void); | |
60 | static void gld${EMULATION_NAME}_after_open (void); | |
61 | static void gld${EMULATION_NAME}_before_allocation (void); | |
7b986e99 | 62 | static bfd_boolean gld${EMULATION_NAME}_place_orphan (asection *s); |
deb04cdb | 63 | static void gld${EMULATION_NAME}_layout_sections_again (void); |
deb04cdb | 64 | static void gld${EMULATION_NAME}_finish (void) ATTRIBUTE_UNUSED; |
252b5132 | 65 | |
41392f03 AM |
66 | EOF |
67 | ||
d3989512 JJ |
68 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
69 | case ${target} in | |
711c0baa | 70 | *-*-linux-* | *-*-k*bsd*-*) |
d3989512 | 71 | cat >>e${EMULATION_NAME}.c <<EOF |
0b48acfe | 72 | #ifdef HAVE_GLOB |
d3989512 | 73 | #include <glob.h> |
0b48acfe | 74 | #endif |
d3989512 JJ |
75 | EOF |
76 | ;; | |
77 | esac | |
78 | fi | |
79 | ||
41392f03 AM |
80 | # Import any needed special functions and/or overrides. |
81 | # | |
82 | if test -n "$EXTRA_EM_FILE" ; then | |
83 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
84 | fi | |
85 | ||
f813923c | 86 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
87 | # variables. If the name of the overriding function is the same as is |
88 | # defined in this file, then don't output this file's version. | |
89 | # If a different overriding name is given then output the standard function | |
90 | # as presumably it is called from the overriding function. | |
91 | # | |
92 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
93 | cat >>e${EMULATION_NAME}.c <<EOF | |
94 | ||
252b5132 | 95 | static void |
0c7a8e5a | 96 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 97 | { |
5e2f1575 | 98 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
b34976b6 AM |
99 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
100 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
101 | } |
102 | ||
41392f03 AM |
103 | EOF |
104 | fi | |
105 | ||
4a43e768 AM |
106 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
107 | cat >>e${EMULATION_NAME}.c <<EOF | |
108 | /* Handle as_needed DT_NEEDED. */ | |
109 | ||
110 | static bfd_boolean | |
111 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
112 | { | |
e56f61be | 113 | int class = 0; |
4a43e768 AM |
114 | |
115 | /* Tell the ELF linker that we don't want the output file to have a | |
116 | DT_NEEDED entry for this file, unless it is used to resolve | |
117 | references in a regular object. */ | |
e56f61be L |
118 | if (entry->as_needed) |
119 | class = DYN_AS_NEEDED; | |
120 | ||
121 | /* Tell the ELF linker that we don't want the output file to have a | |
122 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
123 | this file at all. */ | |
124 | if (!entry->add_needed) | |
125 | class |= DYN_NO_ADD_NEEDED; | |
126 | ||
12b9ff6c L |
127 | if (entry->just_syms_flag |
128 | && (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) != 0) | |
129 | einfo (_("%P%F: --just-symbols may not be used on DSO: %B\n"), | |
130 | entry->the_bfd); | |
131 | ||
e56f61be L |
132 | if (!class |
133 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) | |
134 | return FALSE; | |
135 | ||
136 | bfd_elf_set_dyn_lib_class (entry->the_bfd, class); | |
4a43e768 AM |
137 | |
138 | /* Continue on with normal load_symbols processing. */ | |
139 | return FALSE; | |
140 | } | |
141 | EOF | |
142 | fi | |
143 | ||
41392f03 | 144 | cat >>e${EMULATION_NAME}.c <<EOF |
252b5132 RH |
145 | |
146 | /* These variables are required to pass information back and forth | |
147 | between after_open and check_needed and stat_needed and vercheck. */ | |
148 | ||
149 | static struct bfd_link_needed_list *global_needed; | |
150 | static struct stat global_stat; | |
b34976b6 | 151 | static bfd_boolean global_found; |
252b5132 | 152 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 153 | static bfd_boolean global_vercheck_failed; |
252b5132 | 154 | |
252b5132 | 155 | |
04925e1e AM |
156 | /* On Linux, it's possible to have different versions of the same |
157 | shared library linked against different versions of libc. The | |
158 | dynamic linker somehow tags which libc version to use in | |
159 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
160 | executable, chooses which version of the shared library to use. | |
252b5132 | 161 | |
04925e1e AM |
162 | We try to do a similar check here by checking whether this shared |
163 | library needs any other shared libraries which may conflict with | |
164 | libraries we have already included in the link. If it does, we | |
165 | skip it, and try to find another shared library farther on down the | |
166 | link path. | |
252b5132 | 167 | |
04925e1e AM |
168 | This is called via lang_for_each_input_file. |
169 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 170 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 171 | a conflicting version. */ |
252b5132 | 172 | |
04925e1e | 173 | static void |
0c7a8e5a | 174 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 175 | { |
1c9acd94 | 176 | const char *soname; |
04925e1e | 177 | struct bfd_link_needed_list *l; |
252b5132 | 178 | |
04925e1e AM |
179 | if (global_vercheck_failed) |
180 | return; | |
181 | if (s->the_bfd == NULL | |
182 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
183 | return; | |
252b5132 | 184 | |
04925e1e AM |
185 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
186 | if (soname == NULL) | |
fed2999d | 187 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
188 | |
189 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
190 | { | |
191 | const char *suffix; | |
192 | ||
1c9acd94 | 193 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
194 | { |
195 | /* Probably can't happen, but it's an easy check. */ | |
196 | continue; | |
252b5132 RH |
197 | } |
198 | ||
04925e1e | 199 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
200 | continue; |
201 | ||
04925e1e AM |
202 | suffix = strstr (l->name, ".so."); |
203 | if (suffix == NULL) | |
204 | continue; | |
205 | ||
206 | suffix += sizeof ".so." - 1; | |
207 | ||
1c9acd94 | 208 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
209 | { |
210 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
211 | the object we are considering needs a dynamic object |
212 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
213 | appears to be a version mismatch, so we tell the caller | |
214 | to try a different version of this library. */ | |
b34976b6 | 215 | global_vercheck_failed = TRUE; |
04925e1e AM |
216 | return; |
217 | } | |
252b5132 RH |
218 | } |
219 | } | |
220 | ||
252b5132 | 221 | |
04925e1e AM |
222 | /* See if an input file matches a DT_NEEDED entry by running stat on |
223 | the file. */ | |
224 | ||
225 | static void | |
0c7a8e5a | 226 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 227 | { |
04925e1e AM |
228 | struct stat st; |
229 | const char *suffix; | |
230 | const char *soname; | |
252b5132 | 231 | |
04925e1e AM |
232 | if (global_found) |
233 | return; | |
234 | if (s->the_bfd == NULL) | |
235 | return; | |
7cedef86 AM |
236 | if (s->as_needed |
237 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
238 | return; | |
04925e1e AM |
239 | |
240 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 241 | { |
04925e1e AM |
242 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
243 | return; | |
244 | } | |
252b5132 | 245 | |
9eabd475 ZW |
246 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
247 | st_ino; they always set it to zero. (Windows does provide a | |
248 | meaningful st_dev.) Do not indicate a duplicate library in that | |
249 | case. While there is no guarantee that a system that provides | |
250 | meaningful inode numbers will never set st_ino to zero, this is | |
251 | merely an optimization, so we do not need to worry about false | |
252 | negatives. */ | |
04925e1e | 253 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
254 | && st.st_ino == global_stat.st_ino |
255 | && st.st_ino != 0) | |
04925e1e | 256 | { |
b34976b6 | 257 | global_found = TRUE; |
04925e1e AM |
258 | return; |
259 | } | |
252b5132 | 260 | |
04925e1e AM |
261 | /* We issue a warning if it looks like we are including two |
262 | different versions of the same shared library. For example, | |
263 | there may be a problem if -lc picks up libc.so.6 but some other | |
264 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 265 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
266 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
267 | If we really want to issue warnings about mixing version numbers | |
268 | of shared libraries, we need to find a better way. */ | |
252b5132 | 269 | |
04925e1e AM |
270 | if (strchr (global_needed->name, '/') != NULL) |
271 | return; | |
272 | suffix = strstr (global_needed->name, ".so."); | |
273 | if (suffix == NULL) | |
274 | return; | |
275 | suffix += sizeof ".so." - 1; | |
252b5132 | 276 | |
04925e1e AM |
277 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
278 | if (soname == NULL) | |
fed2999d | 279 | soname = lbasename (s->filename); |
252b5132 | 280 | |
cde43e70 | 281 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 282 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 283 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
284 | } |
285 | ||
e56f61be L |
286 | struct dt_needed |
287 | { | |
288 | bfd *by; | |
289 | const char *name; | |
290 | }; | |
04925e1e | 291 | |
252b5132 RH |
292 | /* This function is called for each possible name for a dynamic object |
293 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
294 | to skip the check for a conflicting version. */ | |
295 | ||
b34976b6 | 296 | static bfd_boolean |
e56f61be L |
297 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
298 | int force) | |
252b5132 RH |
299 | { |
300 | bfd *abfd; | |
e56f61be | 301 | const char *name = needed->name; |
ec4eb78a | 302 | const char *soname; |
e56f61be | 303 | int class; |
252b5132 RH |
304 | |
305 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
306 | if (abfd == NULL) | |
b34976b6 | 307 | return FALSE; |
252b5132 RH |
308 | if (! bfd_check_format (abfd, bfd_object)) |
309 | { | |
cde43e70 | 310 | bfd_close (abfd); |
b34976b6 | 311 | return FALSE; |
252b5132 RH |
312 | } |
313 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
314 | { | |
cde43e70 | 315 | bfd_close (abfd); |
b34976b6 | 316 | return FALSE; |
252b5132 RH |
317 | } |
318 | ||
c4bb8067 L |
319 | /* For DT_NEEDED, they have to match. */ |
320 | if (abfd->xvec != output_bfd->xvec) | |
321 | { | |
322 | bfd_close (abfd); | |
b34976b6 | 323 | return FALSE; |
c4bb8067 L |
324 | } |
325 | ||
252b5132 RH |
326 | /* Check whether this object would include any conflicting library |
327 | versions. If FORCE is set, then we skip this check; we use this | |
328 | the second time around, if we couldn't find any compatible | |
329 | instance of the shared library. */ | |
330 | ||
331 | if (! force) | |
332 | { | |
333 | struct bfd_link_needed_list *needed; | |
334 | ||
335 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
336 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
337 | ||
338 | if (needed != NULL) | |
339 | { | |
340 | global_vercheck_needed = needed; | |
b34976b6 | 341 | global_vercheck_failed = FALSE; |
252b5132 RH |
342 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
343 | if (global_vercheck_failed) | |
344 | { | |
cde43e70 | 345 | bfd_close (abfd); |
b34976b6 | 346 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 347 | another file on the search path. */ |
b34976b6 | 348 | return FALSE; |
252b5132 RH |
349 | } |
350 | ||
351 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
352 | library does not use libc at all, we are supposed to skip |
353 | it the first time around in case we encounter a shared | |
354 | library later on with the same name which does use the | |
355 | version of libc that we want. This is much too horrible | |
356 | to use on any system other than Linux. */ | |
252b5132 RH |
357 | |
358 | EOF | |
359 | case ${target} in | |
711c0baa | 360 | *-*-linux-* | *-*-k*bsd*-*) |
252b5132 RH |
361 | cat >>e${EMULATION_NAME}.c <<EOF |
362 | { | |
363 | struct bfd_link_needed_list *l; | |
364 | ||
365 | for (l = needed; l != NULL; l = l->next) | |
366 | if (strncmp (l->name, "libc.so", 7) == 0) | |
367 | break; | |
368 | if (l == NULL) | |
369 | { | |
cde43e70 | 370 | bfd_close (abfd); |
b34976b6 | 371 | return FALSE; |
252b5132 RH |
372 | } |
373 | } | |
374 | ||
375 | EOF | |
376 | ;; | |
377 | esac | |
378 | cat >>e${EMULATION_NAME}.c <<EOF | |
379 | } | |
380 | } | |
381 | ||
382 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
383 | ||
04925e1e AM |
384 | /* We have already checked that there is no other input file of the |
385 | same name. We must now check again that we are not including the | |
386 | same file twice. We need to do this because on many systems | |
387 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
388 | reference libc.so.1. If we have already included libc.so, we | |
389 | don't want to include libc.so.1 if they are the same file, and we | |
390 | can only check that using stat. */ | |
391 | ||
392 | if (bfd_stat (abfd, &global_stat) != 0) | |
393 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
394 | |
395 | /* First strip off everything before the last '/'. */ | |
fed2999d | 396 | soname = lbasename (abfd->filename); |
ec4eb78a L |
397 | |
398 | if (trace_file_tries) | |
399 | info_msg (_("found %s at %s\n"), soname, name); | |
400 | ||
b34976b6 | 401 | global_found = FALSE; |
04925e1e AM |
402 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
403 | if (global_found) | |
404 | { | |
b34976b6 | 405 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 406 | we aren't going to do anything with it. */ |
b34976b6 | 407 | return TRUE; |
04925e1e AM |
408 | } |
409 | ||
4a43e768 AM |
410 | /* Specify the soname to use. */ |
411 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 412 | |
4a43e768 AM |
413 | /* Tell the ELF linker that we don't want the output file to have a |
414 | DT_NEEDED entry for this file, unless it is used to resolve | |
415 | references in a regular object. */ | |
e56f61be L |
416 | class = DYN_DT_NEEDED; |
417 | ||
418 | /* Tell the ELF linker that we don't want the output file to have a | |
419 | DT_NEEDED entry for this file at all if the entry is from a file | |
420 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
421 | if (needed->by != NULL |
422 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
e56f61be L |
423 | class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
424 | ||
425 | bfd_elf_set_dyn_lib_class (abfd, class); | |
04925e1e AM |
426 | |
427 | /* Add this file into the symbol table. */ | |
428 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
429 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
430 | ||
b34976b6 | 431 | return TRUE; |
04925e1e AM |
432 | } |
433 | ||
434 | ||
435 | /* Search for a needed file in a path. */ | |
436 | ||
b34976b6 | 437 | static bfd_boolean |
e56f61be L |
438 | gld${EMULATION_NAME}_search_needed (const char *path, |
439 | struct dt_needed *n, int force) | |
04925e1e AM |
440 | { |
441 | const char *s; | |
e56f61be | 442 | const char *name = n->name; |
04925e1e | 443 | size_t len; |
e56f61be | 444 | struct dt_needed needed; |
04925e1e | 445 | |
cc5ce052 | 446 | if (name[0] == '/') |
e56f61be | 447 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 448 | |
04925e1e | 449 | if (path == NULL || *path == '\0') |
b34976b6 | 450 | return FALSE; |
e56f61be L |
451 | |
452 | needed.by = n->by; | |
453 | needed.name = n->name; | |
454 | ||
04925e1e AM |
455 | len = strlen (name); |
456 | while (1) | |
457 | { | |
458 | char *filename, *sset; | |
459 | ||
460 | s = strchr (path, ':'); | |
461 | if (s == NULL) | |
462 | s = path + strlen (path); | |
463 | ||
464 | filename = (char *) xmalloc (s - path + len + 2); | |
465 | if (s == path) | |
466 | sset = filename; | |
467 | else | |
468 | { | |
469 | memcpy (filename, path, s - path); | |
470 | filename[s - path] = '/'; | |
471 | sset = filename + (s - path) + 1; | |
472 | } | |
473 | strcpy (sset, name); | |
474 | ||
e56f61be L |
475 | needed.name = filename; |
476 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 477 | return TRUE; |
04925e1e AM |
478 | |
479 | free (filename); | |
480 | ||
481 | if (*s == '\0') | |
482 | break; | |
483 | path = s + 1; | |
484 | } | |
485 | ||
b34976b6 | 486 | return FALSE; |
04925e1e AM |
487 | } |
488 | ||
489 | EOF | |
9c8ebd6a | 490 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 491 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a DJ |
492 | |
493 | /* Add the sysroot to every entry in a colon-separated path. */ | |
494 | ||
495 | static char * | |
0c7a8e5a | 496 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
497 | { |
498 | int len, colons, i; | |
499 | char *ret, *p; | |
500 | ||
501 | len = strlen (path); | |
502 | colons = 0; | |
503 | i = 0; | |
504 | while (path[i]) | |
505 | if (path[i++] == ':') | |
506 | colons++; | |
507 | ||
508 | if (path[i]) | |
509 | colons++; | |
510 | ||
42644a89 | 511 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
512 | ret = xmalloc (len + 1); |
513 | strcpy (ret, ld_sysroot); | |
514 | p = ret + strlen (ret); | |
515 | i = 0; | |
516 | while (path[i]) | |
517 | if (path[i] == ':') | |
518 | { | |
0c7a8e5a | 519 | *p++ = path[i++]; |
9c8ebd6a DJ |
520 | strcpy (p, ld_sysroot); |
521 | p = p + strlen (p); | |
9c8ebd6a DJ |
522 | } |
523 | else | |
524 | *p++ = path[i++]; | |
525 | ||
526 | *p = 0; | |
527 | return ret; | |
528 | } | |
04925e1e | 529 | |
3dc16cab DJ |
530 | EOF |
531 | case ${target} in | |
ebe1fac1 NC |
532 | *-*-freebsd* | *-*-dragonfly*) |
533 | cat >>e${EMULATION_NAME}.c <<EOF | |
534 | /* Read the system search path the FreeBSD way rather than the Linux way. */ | |
535 | #ifdef HAVE_ELF_HINTS_H | |
536 | #include <elf-hints.h> | |
537 | #else | |
538 | #include "elf-hints-local.h" | |
539 | #endif | |
540 | ||
541 | static bfd_boolean | |
542 | gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force) | |
543 | { | |
544 | static bfd_boolean initialized; | |
545 | static char *ld_elf_hints; | |
546 | struct dt_needed needed; | |
547 | ||
548 | if (!initialized) | |
549 | { | |
550 | FILE *f; | |
551 | char *tmppath; | |
552 | ||
553 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, NULL); | |
554 | f = fopen (tmppath, FOPEN_RB); | |
555 | free (tmppath); | |
556 | if (f != NULL) | |
557 | { | |
558 | struct elfhints_hdr hdr; | |
559 | ||
560 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
561 | && hdr.magic == ELFHINTS_MAGIC | |
562 | && hdr.version == 1) | |
563 | { | |
564 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
565 | { | |
566 | char *b; | |
567 | ||
568 | b = xmalloc (hdr.dirlistlen + 1); | |
569 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
570 | hdr.dirlistlen + 1) | |
571 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
572 | ||
573 | free (b); | |
574 | } | |
575 | } | |
576 | fclose (f); | |
577 | } | |
578 | ||
579 | initialized = TRUE; | |
580 | } | |
581 | ||
582 | if (ld_elf_hints == NULL) | |
583 | return FALSE; | |
584 | ||
585 | needed.by = NULL; | |
586 | needed.name = name; | |
587 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed, | |
588 | force); | |
589 | } | |
590 | EOF | |
591 | # FreeBSD | |
592 | ;; | |
593 | ||
711c0baa | 594 | *-*-linux-* | *-*-k*bsd*-*) |
3dc16cab | 595 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
596 | /* For a native linker, check the file /etc/ld.so.conf for directories |
597 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 598 | only meaningful on Linux. */ |
04925e1e | 599 | |
d3989512 | 600 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 601 | { |
d3989512 JJ |
602 | char *path; |
603 | size_t len, alloc; | |
604 | }; | |
04925e1e | 605 | |
dfcffada | 606 | static bfd_boolean |
d3989512 JJ |
607 | gld${EMULATION_NAME}_parse_ld_so_conf |
608 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
609 | ||
610 | static void | |
611 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
612 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
613 | const char *pattern) | |
614 | { | |
615 | char *newp = NULL; | |
0b48acfe | 616 | #ifdef HAVE_GLOB |
d3989512 | 617 | glob_t gl; |
0b48acfe | 618 | #endif |
d3989512 JJ |
619 | |
620 | if (pattern[0] != '/') | |
04925e1e | 621 | { |
d3989512 JJ |
622 | char *p = strrchr (filename, '/'); |
623 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 624 | |
d3989512 JJ |
625 | newp = xmalloc (p - filename + 1 + patlen); |
626 | memcpy (newp, filename, p - filename + 1); | |
627 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
628 | pattern = newp; | |
629 | } | |
04925e1e | 630 | |
0b48acfe | 631 | #ifdef HAVE_GLOB |
d3989512 JJ |
632 | if (glob (pattern, 0, NULL, &gl) == 0) |
633 | { | |
634 | size_t i; | |
635 | ||
636 | for (i = 0; i < gl.gl_pathc; ++i) | |
637 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
638 | globfree (&gl); | |
639 | } | |
0b48acfe MM |
640 | #else |
641 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
642 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
643 | #endif | |
d3989512 JJ |
644 | |
645 | if (newp) | |
646 | free (newp); | |
647 | } | |
648 | ||
dfcffada | 649 | static bfd_boolean |
d3989512 JJ |
650 | gld${EMULATION_NAME}_parse_ld_so_conf |
651 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
652 | { | |
653 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
654 | char *line; |
655 | size_t linelen; | |
d3989512 JJ |
656 | |
657 | if (f == NULL) | |
dfcffada | 658 | return FALSE; |
d3989512 | 659 | |
563f4125 JJ |
660 | linelen = 256; |
661 | line = xmalloc (linelen); | |
662 | do | |
d3989512 | 663 | { |
563f4125 JJ |
664 | char *p = line, *q; |
665 | ||
666 | /* Normally this would use getline(3), but we need to be portable. */ | |
667 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
668 | && strlen (q) == linelen - (p - line) - 1 | |
669 | && line[linelen - 2] != '\n') | |
670 | { | |
671 | line = xrealloc (line, 2 * linelen); | |
672 | p = line + linelen - 1; | |
673 | linelen += linelen; | |
674 | } | |
675 | ||
676 | if (q == NULL && p == line) | |
677 | break; | |
d3989512 JJ |
678 | |
679 | p = strchr (line, '\n'); | |
680 | if (p) | |
681 | *p = '\0'; | |
682 | ||
683 | /* Because the file format does not know any form of quoting we | |
684 | can search forward for the next '#' character and if found | |
685 | make it terminating the line. */ | |
686 | p = strchr (line, '#'); | |
687 | if (p) | |
688 | *p = '\0'; | |
689 | ||
690 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
691 | p = line; | |
692 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
693 | ++p; | |
694 | ||
695 | /* If the line is blank it is ignored. */ | |
696 | if (p[0] == '\0') | |
697 | continue; | |
04925e1e | 698 | |
d3989512 JJ |
699 | if (!strncmp (p, "include", 7) && (p[7] == ' ' || p[7] == '\t')) |
700 | { | |
701 | char *dir, c; | |
702 | p += 8; | |
703 | do | |
04925e1e | 704 | { |
d3989512 JJ |
705 | while (*p == ' ' || *p == '\t') |
706 | ++p; | |
04925e1e | 707 | |
d3989512 JJ |
708 | if (*p == '\0') |
709 | break; | |
252b5132 | 710 | |
d3989512 JJ |
711 | dir = p; |
712 | ||
713 | while (*p != ' ' && *p != '\t' && *p) | |
714 | ++p; | |
715 | ||
716 | c = *p; | |
717 | *p++ = '\0'; | |
718 | if (dir[0] != '\0') | |
719 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
720 | dir); | |
721 | } | |
722 | while (c != '\0'); | |
723 | } | |
724 | else | |
725 | { | |
726 | char *dir = p; | |
727 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
728 | && *p != '\r' && *p != '\v') | |
729 | ++p; | |
730 | ||
731 | while (p != dir && p[-1] == '/') | |
732 | --p; | |
733 | if (info->path == NULL) | |
734 | { | |
735 | info->alloc = p - dir + 1 + 256; | |
736 | info->path = xmalloc (info->alloc); | |
737 | info->len = 0; | |
738 | } | |
04925e1e AM |
739 | else |
740 | { | |
d3989512 JJ |
741 | if (info->len + 1 + (p - dir) >= info->alloc) |
742 | { | |
743 | info->alloc += p - dir + 256; | |
744 | info->path = xrealloc (info->path, info->alloc); | |
745 | } | |
746 | info->path[info->len++] = ':'; | |
04925e1e | 747 | } |
d3989512 JJ |
748 | memcpy (info->path + info->len, dir, p - dir); |
749 | info->len += p - dir; | |
750 | info->path[info->len] = '\0'; | |
751 | } | |
752 | } | |
563f4125 | 753 | while (! feof (f)); |
d3989512 JJ |
754 | free (line); |
755 | fclose (f); | |
dfcffada | 756 | return TRUE; |
d3989512 | 757 | } |
252b5132 | 758 | |
d3989512 JJ |
759 | static bfd_boolean |
760 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
761 | { | |
762 | static bfd_boolean initialized; | |
763 | static char *ld_so_conf; | |
764 | struct dt_needed needed; | |
252b5132 | 765 | |
d3989512 JJ |
766 | if (! initialized) |
767 | { | |
768 | char *tmppath; | |
769 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 770 | |
d3989512 JJ |
771 | info.path = NULL; |
772 | info.len = info.alloc = 0; | |
dfcffada AM |
773 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", NULL); |
774 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) | |
775 | { | |
776 | free (tmppath); | |
777 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); | |
778 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); | |
779 | } | |
d3989512 | 780 | free (tmppath); |
dfcffada | 781 | |
d3989512 JJ |
782 | if (info.path) |
783 | { | |
784 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
785 | free (info.path); | |
786 | ld_so_conf = d; | |
04925e1e | 787 | } |
b34976b6 | 788 | initialized = TRUE; |
04925e1e | 789 | } |
49e56c49 | 790 | |
04925e1e | 791 | if (ld_so_conf == NULL) |
b34976b6 | 792 | return FALSE; |
252b5132 | 793 | |
e56f61be L |
794 | |
795 | needed.by = NULL; | |
796 | needed.name = name; | |
797 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
798 | } |
799 | ||
04925e1e | 800 | EOF |
9c8ebd6a DJ |
801 | # Linux |
802 | ;; | |
04925e1e AM |
803 | esac |
804 | fi | |
805 | cat >>e${EMULATION_NAME}.c <<EOF | |
806 | ||
252b5132 RH |
807 | /* See if an input file matches a DT_NEEDED entry by name. */ |
808 | ||
809 | static void | |
0c7a8e5a | 810 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 RH |
811 | { |
812 | if (global_found) | |
813 | return; | |
814 | ||
7cedef86 AM |
815 | /* If this input file was an as-needed entry, and wasn't found to be |
816 | needed at the stage it was linked, then don't say we have loaded it. */ | |
817 | if (s->as_needed | |
818 | && (s->the_bfd == NULL | |
819 | || (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)) | |
820 | return; | |
821 | ||
577a0623 | 822 | if (s->filename != NULL) |
252b5132 | 823 | { |
577a0623 AM |
824 | const char *f; |
825 | ||
826 | if (strcmp (s->filename, global_needed->name) == 0) | |
827 | { | |
b34976b6 | 828 | global_found = TRUE; |
577a0623 AM |
829 | return; |
830 | } | |
831 | ||
832 | if (s->search_dirs_flag) | |
833 | { | |
834 | f = strrchr (s->filename, '/'); | |
835 | if (f != NULL | |
836 | && strcmp (f + 1, global_needed->name) == 0) | |
837 | { | |
b34976b6 | 838 | global_found = TRUE; |
577a0623 AM |
839 | return; |
840 | } | |
841 | } | |
252b5132 RH |
842 | } |
843 | ||
844 | if (s->the_bfd != NULL) | |
845 | { | |
846 | const char *soname; | |
847 | ||
848 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
849 | if (soname != NULL | |
850 | && strcmp (soname, global_needed->name) == 0) | |
851 | { | |
b34976b6 | 852 | global_found = TRUE; |
252b5132 RH |
853 | return; |
854 | } | |
855 | } | |
252b5132 RH |
856 | } |
857 | ||
41392f03 AM |
858 | EOF |
859 | ||
860 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
861 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
862 | |
863 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
864 | |
865 | static void | |
0c7a8e5a | 866 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 867 | { |
04925e1e | 868 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 869 | |
04925e1e | 870 | /* We only need to worry about this when doing a final link. */ |
1049f94e | 871 | if (link_info.relocatable || !link_info.executable) |
252b5132 RH |
872 | return; |
873 | ||
04925e1e AM |
874 | /* Get the list of files which appear in DT_NEEDED entries in |
875 | dynamic objects included in the link (often there will be none). | |
876 | For each such file, we want to track down the corresponding | |
877 | library, and include the symbol table in the link. This is what | |
878 | the runtime dynamic linker will do. Tracking the files down here | |
879 | permits one dynamic object to include another without requiring | |
880 | special action by the person doing the link. Note that the | |
881 | needed list can actually grow while we are stepping through this | |
882 | loop. */ | |
883 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
884 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 885 | { |
04925e1e | 886 | struct bfd_link_needed_list *ll; |
e56f61be | 887 | struct dt_needed n, nn; |
04925e1e | 888 | int force; |
252b5132 | 889 | |
7e9f0867 AM |
890 | /* If the lib that needs this one was --as-needed and wasn't |
891 | found to be needed, then this lib isn't needed either. */ | |
892 | if (l->by != NULL | |
893 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) | |
894 | continue; | |
895 | ||
04925e1e AM |
896 | /* If we've already seen this file, skip it. */ |
897 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
898 | if ((ll->by == NULL |
899 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
900 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
901 | break; |
902 | if (ll != l) | |
903 | continue; | |
252b5132 | 904 | |
04925e1e AM |
905 | /* See if this file was included in the link explicitly. */ |
906 | global_needed = l; | |
b34976b6 | 907 | global_found = FALSE; |
04925e1e AM |
908 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
909 | if (global_found) | |
910 | continue; | |
252b5132 | 911 | |
e56f61be L |
912 | n.by = l->by; |
913 | n.name = l->name; | |
914 | nn.by = l->by; | |
ec4eb78a L |
915 | if (trace_file_tries) |
916 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
917 | ||
04925e1e AM |
918 | /* We need to find this file and include the symbol table. We |
919 | want to search for the file in the same way that the dynamic | |
920 | linker will search. That means that we want to use | |
921 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
922 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
923 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
924 | We do not search using the -L arguments. | |
252b5132 | 925 | |
04925e1e AM |
926 | We search twice. The first time, we skip objects which may |
927 | introduce version mismatches. The second time, we force | |
928 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
929 | for (force = 0; force < 2; force++) | |
930 | { | |
04925e1e AM |
931 | size_t len; |
932 | search_dirs_type *search; | |
6dd8c765 | 933 | EOF |
ff925e69 | 934 | if [ "x${NATIVE}" = xyes ] ; then |
6dd8c765 | 935 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 936 | const char *lib_path; |
ff925e69 KK |
937 | EOF |
938 | fi | |
939 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
940 | cat >>e${EMULATION_NAME}.c <<EOF | |
6dd8c765 L |
941 | struct bfd_link_needed_list *rp; |
942 | int found; | |
943 | EOF | |
6dd8c765 L |
944 | fi |
945 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 946 | |
04925e1e | 947 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 948 | &n, force)) |
04925e1e | 949 | break; |
dcb0bd0e | 950 | EOF |
9c8ebd6a | 951 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 952 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 953 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 954 | &n, force)) |
04925e1e | 955 | break; |
9c8ebd6a DJ |
956 | EOF |
957 | fi | |
958 | if [ "x${NATIVE}" = xyes ] ; then | |
959 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
960 | if (command_line.rpath_link == NULL |
961 | && command_line.rpath == NULL) | |
962 | { | |
963 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 964 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
965 | force)) |
966 | break; | |
967 | } | |
04925e1e | 968 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 969 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 970 | break; |
9c8ebd6a DJ |
971 | EOF |
972 | fi | |
973 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
974 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 975 | found = 0; |
6dd8c765 L |
976 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
977 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 978 | { |
9c8ebd6a | 979 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 980 | found = (rp->by == l->by |
9c8ebd6a | 981 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 982 | &n, |
ec4eb78a | 983 | force)); |
9c8ebd6a | 984 | free (tmpname); |
ec4eb78a L |
985 | } |
986 | if (found) | |
987 | break; | |
988 | ||
04925e1e | 989 | EOF |
04925e1e | 990 | fi |
c1446dba L |
991 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
992 | case ${target} in | |
ebe1fac1 NC |
993 | *-*-freebsd* | *-*-dragonfly*) |
994 | cat >>e${EMULATION_NAME}.c <<EOF | |
995 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force)) | |
996 | break; | |
997 | EOF | |
998 | # FreeBSD | |
999 | ;; | |
1000 | ||
c1446dba L |
1001 | *-*-linux-* | *-*-k*bsd*-*) |
1002 | # Linux | |
1003 | cat >>e${EMULATION_NAME}.c <<EOF | |
1004 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) | |
1005 | break; | |
1006 | ||
1007 | EOF | |
1008 | ;; | |
1009 | esac | |
1010 | fi | |
04925e1e AM |
1011 | cat >>e${EMULATION_NAME}.c <<EOF |
1012 | len = strlen (l->name); | |
1013 | for (search = search_head; search != NULL; search = search->next) | |
1014 | { | |
1015 | char *filename; | |
252b5132 | 1016 | |
04925e1e AM |
1017 | if (search->cmdline) |
1018 | continue; | |
1019 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1020 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1021 | nn.name = filename; |
1022 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1023 | break; |
1024 | free (filename); | |
1025 | } | |
1026 | if (search != NULL) | |
1027 | break; | |
1028 | EOF | |
04925e1e AM |
1029 | cat >>e${EMULATION_NAME}.c <<EOF |
1030 | } | |
252b5132 | 1031 | |
04925e1e AM |
1032 | if (force < 2) |
1033 | continue; | |
252b5132 | 1034 | |
e374f1d9 | 1035 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1036 | l->name, l->by); |
1037 | } | |
1038 | } | |
252b5132 | 1039 | |
41392f03 AM |
1040 | EOF |
1041 | fi | |
1042 | ||
1043 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1044 | |
04925e1e | 1045 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1046 | |
04925e1e | 1047 | static void |
0c7a8e5a | 1048 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1049 | { |
4ea42fb7 | 1050 | bfd_boolean provide = FALSE; |
04925e1e AM |
1051 | |
1052 | switch (exp->type.node_class) | |
252b5132 | 1053 | { |
04925e1e | 1054 | case etree_provide: |
4ea42fb7 AM |
1055 | provide = TRUE; |
1056 | /* Fall thru */ | |
1057 | case etree_assign: | |
04925e1e AM |
1058 | /* We call record_link_assignment even if the symbol is defined. |
1059 | This is because if it is defined by a dynamic object, we | |
1060 | actually want to use the value defined by the linker script, | |
1061 | not the value from the dynamic object (because we are setting | |
1062 | symbols like etext). If the symbol is defined by a regular | |
1063 | object, then, as it happens, calling record_link_assignment | |
1064 | will do no harm. */ | |
04925e1e | 1065 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1066 | { |
fe21a8fc L |
1067 | if (!bfd_elf_record_link_assignment (output_bfd, &link_info, |
1068 | exp->assign.dst, provide, | |
1069 | exp->assign.hidden)) | |
04925e1e AM |
1070 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1071 | exp->assign.dst); | |
252b5132 | 1072 | } |
04925e1e AM |
1073 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1074 | break; | |
252b5132 | 1075 | |
04925e1e AM |
1076 | case etree_binary: |
1077 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1078 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1079 | break; | |
252b5132 | 1080 | |
04925e1e AM |
1081 | case etree_trinary: |
1082 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1083 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1084 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1085 | break; | |
252b5132 | 1086 | |
04925e1e AM |
1087 | case etree_unary: |
1088 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1089 | break; | |
252b5132 | 1090 | |
04925e1e AM |
1091 | default: |
1092 | break; | |
252b5132 RH |
1093 | } |
1094 | } | |
1095 | ||
04925e1e AM |
1096 | |
1097 | /* This is called by the before_allocation routine via | |
1098 | lang_for_each_statement. It locates any assignment statements, and | |
1099 | tells the ELF backend about them, in case they are assignments to | |
1100 | symbols which are referred to by dynamic objects. */ | |
1101 | ||
1102 | static void | |
0c7a8e5a | 1103 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1104 | { |
1105 | if (s->header.type == lang_assignment_statement_enum) | |
1106 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1107 | } | |
1108 | ||
41392f03 AM |
1109 | EOF |
1110 | ||
1111 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1112 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1113 | ELF_INTERPRETER_SET_DEFAULT=" | |
1114 | if (sinterp != NULL) | |
1115 | { | |
5718918d AM |
1116 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1117 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1118 | } |
1119 | ||
1120 | " | |
1121 | else | |
1122 | ELF_INTERPRETER_SET_DEFAULT= | |
1123 | fi | |
41392f03 | 1124 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 1125 | |
252b5132 RH |
1126 | /* This is called after the sections have been attached to output |
1127 | sections, but before any sizes or addresses have been set. */ | |
1128 | ||
1129 | static void | |
0c7a8e5a | 1130 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1131 | { |
1132 | const char *rpath; | |
1133 | asection *sinterp; | |
1134 | ||
fd574c46 | 1135 | if (link_info.hash->type == bfd_link_elf_hash_table) |
e1918d23 AM |
1136 | _bfd_elf_tls_setup (output_bfd, &link_info); |
1137 | ||
252b5132 RH |
1138 | /* If we are going to make any variable assignments, we need to let |
1139 | the ELF backend know about them in case the variables are | |
1140 | referred to by dynamic objects. */ | |
1141 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1142 | ||
1143 | /* Let the ELF backend work out the sizes of any sections required | |
1144 | by dynamic linking. */ | |
1145 | rpath = command_line.rpath; | |
1146 | if (rpath == NULL) | |
1147 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
5a580b3a | 1148 | if (! (bfd_elf_size_dynamic_sections |
0c7a8e5a | 1149 | (output_bfd, command_line.soname, rpath, |
605d9b3a | 1150 | command_line.filter_shlib, |
252b5132 RH |
1151 | (const char * const *) command_line.auxiliary_filters, |
1152 | &link_info, &sinterp, lang_elf_version_info))) | |
1153 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
8423293d | 1154 | |
57e6abd2 | 1155 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1156 | /* Let the user override the dynamic linker we are using. */ |
1157 | if (command_line.interpreter != NULL | |
1158 | && sinterp != NULL) | |
1159 | { | |
1160 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1161 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1162 | } |
1163 | ||
1164 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1165 | we treat such sections as containing warning messages. We print | |
1166 | out the warning message, and then zero out the section size so | |
1167 | that it does not get copied into the output file. */ | |
1168 | ||
1169 | { | |
1170 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1171 | { | |
1172 | asection *s; | |
1173 | bfd_size_type sz; | |
8c675694 | 1174 | bfd_size_type prefix_len; |
252b5132 | 1175 | char *msg; |
b34976b6 | 1176 | bfd_boolean ret; |
8c675694 | 1177 | const char * gnu_warning_prefix = _("warning: "); |
252b5132 RH |
1178 | |
1179 | if (is->just_syms_flag) | |
1180 | continue; | |
1181 | ||
1182 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1183 | if (s == NULL) | |
1184 | continue; | |
1185 | ||
eea6121a | 1186 | sz = s->size; |
8c675694 NC |
1187 | prefix_len = strlen (gnu_warning_prefix); |
1188 | msg = xmalloc ((size_t) (prefix_len + sz + 1)); | |
1189 | strcpy (msg, gnu_warning_prefix); | |
1190 | if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len, | |
1191 | (file_ptr) 0, sz)) | |
252b5132 RH |
1192 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1193 | is->the_bfd); | |
8c675694 | 1194 | msg[prefix_len + sz] = '\0'; |
252b5132 RH |
1195 | ret = link_info.callbacks->warning (&link_info, msg, |
1196 | (const char *) NULL, | |
1197 | is->the_bfd, (asection *) NULL, | |
1198 | (bfd_vma) 0); | |
1199 | ASSERT (ret); | |
1200 | free (msg); | |
1201 | ||
1202 | /* Clobber the section size, so that we don't waste copying the | |
1203 | warning into the output file. */ | |
eea6121a | 1204 | s->size = 0; |
11d2f718 AM |
1205 | |
1206 | /* Also set SEC_EXCLUDE, so that symbols defined in the warning | |
1207 | section don't get copied to the output. */ | |
1208 | s->flags |= SEC_EXCLUDE; | |
252b5132 RH |
1209 | } |
1210 | } | |
8423293d | 1211 | |
1e035701 | 1212 | before_allocation_default (); |
8423293d AM |
1213 | |
1214 | if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info)) | |
1215 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
252b5132 RH |
1216 | } |
1217 | ||
41392f03 AM |
1218 | EOF |
1219 | fi | |
1220 | ||
1221 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
1222 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1223 | |
04925e1e AM |
1224 | /* Try to open a dynamic archive. This is where we know that ELF |
1225 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1226 | like hpux). */ | |
1227 | ||
b34976b6 | 1228 | static bfd_boolean |
0c7a8e5a AM |
1229 | gld${EMULATION_NAME}_open_dynamic_archive |
1230 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1231 | { |
04925e1e AM |
1232 | const char *filename; |
1233 | char *string; | |
252b5132 | 1234 | |
04925e1e | 1235 | if (! entry->is_archive) |
b34976b6 | 1236 | return FALSE; |
252b5132 | 1237 | |
04925e1e | 1238 | filename = entry->filename; |
252b5132 | 1239 | |
04925e1e AM |
1240 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1241 | is defined, but it does not seem worth the headache to optimize | |
1242 | away those two bytes of space. */ | |
1243 | string = (char *) xmalloc (strlen (search->name) | |
1244 | + strlen (filename) | |
1245 | + strlen (arch) | |
1246 | #ifdef EXTRA_SHLIB_EXTENSION | |
1247 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1248 | #endif | |
1249 | + sizeof "/lib.so"); | |
1250 | ||
1251 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1252 | ||
1253 | #ifdef EXTRA_SHLIB_EXTENSION | |
1254 | /* Try the .so extension first. If that fails build a new filename | |
1255 | using EXTRA_SHLIB_EXTENSION. */ | |
1256 | if (! ldfile_try_open_bfd (string, entry)) | |
1257 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1258 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
1259 | #endif | |
1260 | ||
1261 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1262 | { |
04925e1e | 1263 | free (string); |
b34976b6 | 1264 | return FALSE; |
04925e1e | 1265 | } |
252b5132 | 1266 | |
04925e1e | 1267 | entry->filename = string; |
252b5132 | 1268 | |
04925e1e AM |
1269 | /* We have found a dynamic object to include in the link. The ELF |
1270 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1271 | section naming this file. If this file includes a DT_SONAME | |
1272 | entry, it will be used. Otherwise, the ELF linker will just use | |
1273 | the name of the file. For an archive found by searching, like | |
1274 | this one, the DT_NEEDED entry should consist of just the name of | |
1275 | the file, without the path information used to find it. Note | |
1276 | that we only need to do this if we have a dynamic object; an | |
1277 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1278 | |
04925e1e AM |
1279 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1280 | very pretty. I haven't been able to think of anything that is | |
1281 | pretty, though. */ | |
1282 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1283 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1284 | { | |
04925e1e | 1285 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1286 | |
04925e1e | 1287 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1288 | filename we recorded earlier. */ |
04925e1e | 1289 | |
fed2999d | 1290 | filename = lbasename (entry->filename); |
1c9acd94 | 1291 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1292 | } |
1293 | ||
b34976b6 | 1294 | return TRUE; |
04925e1e AM |
1295 | } |
1296 | ||
41392f03 AM |
1297 | EOF |
1298 | fi | |
cde43e70 AM |
1299 | |
1300 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1301 | cat >>e${EMULATION_NAME}.c <<EOF |
1302 | ||
afd7a018 | 1303 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1304 | |
04925e1e | 1305 | static lang_output_section_statement_type * |
2a36a117 | 1306 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1307 | { |
04925e1e | 1308 | lang_output_section_statement_type *lookup; |
ba493122 | 1309 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1310 | lang_output_section_statement_type *last_alloc = NULL; |
ba493122 AM |
1311 | lang_output_section_statement_type *last_rel = NULL; |
1312 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1313 | int rela = sec->name[4] == 'a'; |
04925e1e | 1314 | |
afd7a018 AM |
1315 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1316 | lookup != NULL; | |
1317 | lookup = lookup->next) | |
04925e1e | 1318 | { |
0841712e JJ |
1319 | if (lookup->constraint != -1 |
1320 | && strncmp (".rel", lookup->name, 4) == 0) | |
04925e1e | 1321 | { |
24cdb50a | 1322 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1323 | |
2a36a117 AM |
1324 | /* .rel.dyn must come before all other reloc sections, to suit |
1325 | GNU ld.so. */ | |
1326 | if (isdyn) | |
1327 | break; | |
1328 | ||
1329 | /* Don't place after .rel.plt as doing so results in wrong | |
1330 | dynamic tags. */ | |
1331 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1332 | break; |
2a36a117 AM |
1333 | |
1334 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1335 | last_rel = lookup; |
2a36a117 AM |
1336 | if ((rela == lookrela || last_rel_alloc == NULL) |
1337 | && lookup->bfd_section != NULL | |
ba493122 AM |
1338 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1339 | last_rel_alloc = lookup; | |
04925e1e | 1340 | } |
2a36a117 AM |
1341 | |
1342 | last = lookup; | |
1343 | if (lookup->bfd_section != NULL | |
1344 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1345 | last_alloc = lookup; | |
252b5132 | 1346 | } |
ba493122 AM |
1347 | |
1348 | if (last_rel_alloc) | |
1349 | return last_rel_alloc; | |
1350 | ||
1351 | if (last_rel) | |
1352 | return last_rel; | |
1353 | ||
2a36a117 AM |
1354 | if (last_alloc) |
1355 | return last_alloc; | |
1356 | ||
ba493122 | 1357 | return last; |
252b5132 RH |
1358 | } |
1359 | ||
1360 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1361 | sections in the right segment. */ | |
1362 | ||
b34976b6 | 1363 | static bfd_boolean |
7b986e99 | 1364 | gld${EMULATION_NAME}_place_orphan (asection *s) |
252b5132 | 1365 | { |
afd7a018 AM |
1366 | static struct orphan_save hold[] = |
1367 | { | |
1368 | { ".text", | |
1369 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1370 | 0, 0, 0, 0 }, | |
1371 | { ".rodata", | |
1372 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1373 | 0, 0, 0, 0 }, | |
1374 | { ".data", | |
1375 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1376 | 0, 0, 0, 0 }, | |
1377 | { ".bss", | |
1378 | SEC_ALLOC, | |
1379 | 0, 0, 0, 0 }, | |
1380 | { 0, | |
1381 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1382 | 0, 0, 0, 0 }, | |
1383 | { ".interp", | |
1384 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1385 | 0, 0, 0, 0 }, | |
1386 | { ".sdata", | |
1387 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
1388 | 0, 0, 0, 0 } | |
1389 | }; | |
1390 | enum orphan_save_index | |
1391 | { | |
1392 | orphan_text = 0, | |
1393 | orphan_rodata, | |
1394 | orphan_data, | |
1395 | orphan_bss, | |
1396 | orphan_rel, | |
1397 | orphan_interp, | |
1398 | orphan_sdata | |
1399 | }; | |
1400 | static int orphan_init_done = 0; | |
6a345e87 | 1401 | struct orphan_save *place; |
a854a4a7 | 1402 | const char *secname; |
afd7a018 | 1403 | lang_output_section_statement_type *after; |
252b5132 | 1404 | lang_output_section_statement_type *os; |
24cdb50a | 1405 | int isdyn = 0; |
ecca9871 L |
1406 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1407 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1408 | |
aea4bd9d | 1409 | secname = bfd_get_section_name (s->owner, s); |
9f61903d | 1410 | |
1049f94e | 1411 | if (! link_info.relocatable |
24cdb50a | 1412 | && link_info.combreloc |
ecca9871 | 1413 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1414 | { |
ecca9871 L |
1415 | if (iself) |
1416 | switch (sh_type) | |
1417 | { | |
1418 | case SHT_RELA: | |
1419 | secname = ".rela.dyn"; | |
1420 | isdyn = 1; | |
1421 | break; | |
1422 | case SHT_REL: | |
1423 | secname = ".rel.dyn"; | |
1424 | isdyn = 1; | |
1425 | break; | |
1426 | default: | |
1427 | break; | |
1428 | } | |
1429 | else if (strncmp (secname, ".rel", 4) == 0) | |
1430 | { | |
1431 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1432 | isdyn = 1; | |
1433 | } | |
24cdb50a | 1434 | } |
aea4bd9d | 1435 | |
d0d6a25b | 1436 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s))) |
252b5132 | 1437 | { |
6d02a667 | 1438 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1439 | os = lang_output_section_find (secname); |
1440 | ||
1441 | if (os != NULL | |
0f33d40b | 1442 | && (os->bfd_section == NULL |
afd7a018 | 1443 | || os->bfd_section->flags == 0 |
390fbbf1 AM |
1444 | || (_bfd_elf_match_sections_by_type (output_bfd, |
1445 | os->bfd_section, | |
1446 | s->owner, s) | |
ecca9871 L |
1447 | && ((s->flags ^ os->bfd_section->flags) |
1448 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
a854a4a7 | 1449 | { |
0f33d40b | 1450 | /* We already have an output section statement with this |
afd7a018 AM |
1451 | name, and its bfd section, if any, has compatible flags. |
1452 | If the section already exists but does not have any flags | |
1453 | set, then it has been created by the linker, probably as a | |
1454 | result of a --section-start command line switch. */ | |
7b986e99 | 1455 | lang_add_section (&os->children, s, os); |
b34976b6 | 1456 | return TRUE; |
a854a4a7 | 1457 | } |
252b5132 RH |
1458 | } |
1459 | ||
afd7a018 AM |
1460 | if (!orphan_init_done) |
1461 | { | |
1462 | struct orphan_save *ho; | |
1463 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1464 | if (ho->name != NULL) | |
1465 | { | |
1466 | ho->os = lang_output_section_find (ho->name); | |
1467 | if (ho->os != NULL && ho->os->flags == 0) | |
1468 | ho->os->flags = ho->flags; | |
1469 | } | |
1470 | orphan_init_done = 1; | |
1471 | } | |
252b5132 RH |
1472 | |
1473 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1474 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1475 | if (link_info.executable |
1049f94e | 1476 | && ! link_info.relocatable |
252b5132 | 1477 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 |
afd7a018 | 1478 | && hold[orphan_text].os != NULL) |
252b5132 | 1479 | { |
afd7a018 | 1480 | lang_add_section (&hold[orphan_text].os->children, s, |
7b986e99 | 1481 | hold[orphan_text].os); |
b34976b6 | 1482 | return TRUE; |
252b5132 RH |
1483 | } |
1484 | ||
1485 | /* Decide which segment the section should go in based on the | |
1486 | section name and section flags. We put loadable .note sections | |
1487 | right after the .interp section, so that the PT_NOTE segment is | |
1488 | stored right after the program headers where the OS can read it | |
1489 | in the first page. */ | |
aea4bd9d | 1490 | |
71bfc0ae AM |
1491 | place = NULL; |
1492 | if ((s->flags & SEC_ALLOC) == 0) | |
1493 | ; | |
252b5132 | 1494 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 L |
1495 | && ((iself && sh_type == SHT_NOTE) |
1496 | || (!iself && strncmp (secname, ".note", 5) == 0))) | |
afd7a018 AM |
1497 | place = &hold[orphan_interp]; |
1498 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1499 | place = &hold[orphan_bss]; | |
1500 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1501 | place = &hold[orphan_sdata]; | |
1502 | else if ((s->flags & SEC_READONLY) == 0) | |
1503 | place = &hold[orphan_data]; | |
ecca9871 L |
1504 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
1505 | || (!iself && strncmp (secname, ".rel", 4) == 0)) | |
afd7a018 AM |
1506 | && (s->flags & SEC_LOAD) != 0) |
1507 | place = &hold[orphan_rel]; | |
1508 | else if ((s->flags & SEC_CODE) == 0) | |
1509 | place = &hold[orphan_rodata]; | |
1510 | else | |
1511 | place = &hold[orphan_text]; | |
71bfc0ae | 1512 | |
afd7a018 | 1513 | after = NULL; |
5ba47421 | 1514 | if (place != NULL) |
252b5132 | 1515 | { |
afd7a018 | 1516 | if (place->os == NULL) |
5ba47421 | 1517 | { |
afd7a018 AM |
1518 | if (place->name != NULL) |
1519 | place->os = lang_output_section_find (place->name); | |
1520 | else | |
1521 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1522 | } |
afd7a018 AM |
1523 | after = place->os; |
1524 | if (after == NULL) | |
390fbbf1 AM |
1525 | after = lang_output_section_find_by_flags |
1526 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1527 | if (after == NULL) |
1528 | /* *ABS* is always the first output section statement. */ | |
1529 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1530 | } |
1531 | ||
afd7a018 AM |
1532 | /* Choose a unique name for the section. This will be needed if the |
1533 | same section name appears in the input file with different | |
1534 | loadable or allocatable characteristics. */ | |
1535 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) | |
252b5132 | 1536 | { |
afd7a018 AM |
1537 | static int count = 1; |
1538 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); | |
1539 | if (secname == NULL) | |
1540 | einfo ("%F%P: place_orphan failed: %E\n"); | |
71bfc0ae | 1541 | } |
5ba47421 | 1542 | |
7b986e99 | 1543 | lang_insert_orphan (s, secname, after, place, NULL, NULL); |
252b5132 | 1544 | |
b34976b6 | 1545 | return TRUE; |
252b5132 | 1546 | } |
c56feb2b AM |
1547 | EOF |
1548 | fi | |
1549 | ||
1550 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1551 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1552 | |
deb04cdb AM |
1553 | static void |
1554 | gld${EMULATION_NAME}_layout_sections_again (void) | |
1555 | { | |
1556 | lang_reset_memory_regions (); | |
73d074b4 | 1557 | |
deb04cdb | 1558 | /* Resize the sections. */ |
e9ee469a | 1559 | lang_size_sections (NULL, TRUE); |
73d074b4 | 1560 | |
deb04cdb AM |
1561 | /* Redo special stuff. */ |
1562 | ldemul_after_allocation (); | |
57316bff | 1563 | |
deb04cdb | 1564 | /* Do the assignments again. */ |
e9ee469a | 1565 | lang_do_assignments (); |
deb04cdb AM |
1566 | } |
1567 | ||
deb04cdb AM |
1568 | static void |
1569 | gld${EMULATION_NAME}_finish (void) | |
1570 | { | |
1571 | if (bfd_elf_discard_info (output_bfd, &link_info)) | |
1572 | gld${EMULATION_NAME}_layout_sections_again (); | |
81e1b023 | 1573 | |
1e035701 | 1574 | finish_default (); |
73d074b4 | 1575 | } |
41392f03 AM |
1576 | EOF |
1577 | fi | |
1578 | ||
1579 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1580 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1581 | |
1582 | static char * | |
0c7a8e5a | 1583 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1584 | EOF |
1585 | ||
1586 | if test -n "$COMPILE_IN" | |
1587 | then | |
1588 | # Scripts compiled in. | |
1589 | ||
1590 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1591 | sc="-f stringify.sed" |
252b5132 RH |
1592 | |
1593 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1594 | { |
252b5132 RH |
1595 | *isfile = 0; |
1596 | ||
1049f94e | 1597 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1598 | return |
252b5132 | 1599 | EOF |
afd7a018 AM |
1600 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1601 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1602 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1603 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1604 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1605 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1606 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1607 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1608 | fi |
36af4a4e JJ |
1609 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1610 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1611 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1612 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1613 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1614 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1615 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1616 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 1617 | fi |
afd7a018 AM |
1618 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
1619 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 1620 | fi |
252b5132 | 1621 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1622 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1623 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
1624 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1625 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1626 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 1627 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1628 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1629 | fi |
afd7a018 AM |
1630 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1631 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1632 | fi |
82434356 | 1633 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1634 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
1635 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 AM |
1636 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
1637 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
1638 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1639 | fi |
afd7a018 AM |
1640 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1641 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1642 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1643 | |
1644 | else | |
1645 | # Scripts read from the filesystem. | |
1646 | ||
1647 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1648 | { |
252b5132 RH |
1649 | *isfile = 1; |
1650 | ||
1049f94e | 1651 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1652 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1653 | else if (link_info.relocatable) |
252b5132 RH |
1654 | return "ldscripts/${EMULATION_NAME}.xr"; |
1655 | else if (!config.text_read_only) | |
1656 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
1657 | EOF |
1658 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
1659 | else | |
1660 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1661 | else if (!config.magic_demand_paged) |
1662 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
1663 | EOF |
1664 | fi | |
36af4a4e JJ |
1665 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1666 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1667 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1668 | else if (link_info.pie && link_info.combreloc |
1669 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1670 | return "ldscripts/${EMULATION_NAME}.xdw"; | |
36af4a4e JJ |
1671 | else if (link_info.pie && link_info.combreloc) |
1672 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
1673 | EOF | |
1674 | fi | |
1675 | cat >>e${EMULATION_NAME}.c <<EOF | |
1676 | else if (link_info.pie) | |
1677 | return "ldscripts/${EMULATION_NAME}.xd"; | |
1678 | EOF | |
1679 | fi | |
a060b769 AM |
1680 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
1681 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1682 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1683 | else if (link_info.shared && link_info.combreloc |
1684 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1685 | return "ldscripts/${EMULATION_NAME}.xsw"; | |
a060b769 AM |
1686 | else if (link_info.shared && link_info.combreloc) |
1687 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
1688 | EOF | |
1689 | fi | |
1690 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1691 | else if (link_info.shared) |
1692 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
1693 | EOF |
1694 | fi | |
1695 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1696 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1697 | else if (link_info.combreloc && link_info.relro |
1698 | && (link_info.flags & DT_BIND_NOW)) | |
1699 | return "ldscripts/${EMULATION_NAME}.xw"; | |
a060b769 AM |
1700 | else if (link_info.combreloc) |
1701 | return "ldscripts/${EMULATION_NAME}.xc"; | |
1702 | EOF | |
1703 | fi | |
1704 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1705 | else |
1706 | return "ldscripts/${EMULATION_NAME}.x"; | |
1707 | } | |
252b5132 | 1708 | |
3b108066 | 1709 | EOF |
41392f03 AM |
1710 | fi |
1711 | fi | |
3b108066 | 1712 | |
41392f03 | 1713 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1714 | |
e0ee487b L |
1715 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1716 | cat >>e${EMULATION_NAME}.c <<EOF | |
1717 | $PARSE_AND_LIST_PROLOGUE | |
1718 | EOF | |
1719 | fi | |
1720 | ||
e0ee487b L |
1721 | cat >>e${EMULATION_NAME}.c <<EOF |
1722 | ||
6c1439be L |
1723 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1724 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1725 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1726 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae DJ |
1727 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
1728 | ||
3bcf5557 | 1729 | static void |
0c7a8e5a AM |
1730 | gld${EMULATION_NAME}_add_options |
1731 | (int ns, char **shortopts, int nl, struct option **longopts, | |
1732 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 1733 | { |
3bcf5557 AM |
1734 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; |
1735 | static const struct option xtra_long[] = { | |
e0ee487b | 1736 | EOF |
e0ee487b L |
1737 | |
1738 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1739 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 AM |
1740 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1741 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
1742 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 1743 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
3bcf5557 | 1744 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
e0ee487b L |
1745 | EOF |
1746 | fi | |
1747 | ||
1748 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1749 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 | 1750 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
1751 | EOF |
1752 | fi | |
1753 | ||
e0ee487b | 1754 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1755 | {NULL, no_argument, NULL, 0} |
1756 | }; | |
1757 | ||
1758 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
1759 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
1760 | *longopts = (struct option *) | |
1761 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
1762 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
1763 | } | |
04925e1e | 1764 | |
3bcf5557 | 1765 | static bfd_boolean |
0c7a8e5a | 1766 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 1767 | { |
e0ee487b L |
1768 | switch (optc) |
1769 | { | |
1770 | default: | |
3bcf5557 | 1771 | return FALSE; |
6c1439be | 1772 | |
e0ee487b | 1773 | EOF |
e0ee487b L |
1774 | |
1775 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1776 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1777 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1778 | link_info.new_dtags = FALSE; |
6c1439be L |
1779 | break; |
1780 | ||
1781 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1782 | link_info.new_dtags = TRUE; |
6c1439be L |
1783 | break; |
1784 | ||
65765700 | 1785 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1786 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1787 | break; |
1788 | ||
a1ab1d2a UD |
1789 | case OPTION_GROUP: |
1790 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1791 | /* Groups must be self-contained. */ | |
560e09e9 NC |
1792 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
1793 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
1794 | break; |
1795 | ||
b58f81ae DJ |
1796 | case OPTION_EXCLUDE_LIBS: |
1797 | add_excluded_libs (optarg); | |
1798 | break; | |
1799 | ||
e0ee487b L |
1800 | case 'z': |
1801 | if (strcmp (optarg, "initfirst") == 0) | |
1802 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1803 | else if (strcmp (optarg, "interpose") == 0) | |
1804 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1805 | else if (strcmp (optarg, "loadfltr") == 0) | |
1806 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1807 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1808 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1809 | else if (strcmp (optarg, "nodelete") == 0) | |
1810 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1811 | else if (strcmp (optarg, "nodlopen") == 0) | |
1812 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1813 | else if (strcmp (optarg, "nodump") == 0) | |
1814 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1815 | else if (strcmp (optarg, "now") == 0) | |
1816 | { | |
1817 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1818 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1819 | } | |
1820 | else if (strcmp (optarg, "origin") == 0) | |
1821 | { | |
1822 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1823 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1824 | } | |
a1ab1d2a | 1825 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 1826 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 1827 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1828 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1829 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1830 | link_info.combreloc = TRUE; |
db6751f2 | 1831 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1832 | link_info.combreloc = FALSE; |
8bd621d8 | 1833 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 1834 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
1835 | else if (strcmp (optarg, "execstack") == 0) |
1836 | { | |
1837 | link_info.execstack = TRUE; | |
1838 | link_info.noexecstack = FALSE; | |
1839 | } | |
1840 | else if (strcmp (optarg, "noexecstack") == 0) | |
1841 | { | |
1842 | link_info.noexecstack = TRUE; | |
1843 | link_info.execstack = FALSE; | |
1844 | } | |
8c37241b JJ |
1845 | else if (strcmp (optarg, "relro") == 0) |
1846 | link_info.relro = TRUE; | |
1847 | else if (strcmp (optarg, "norelro") == 0) | |
1848 | link_info.relro = FALSE; | |
24718e3b L |
1849 | else if (strncmp (optarg, "max-page-size=", 14) == 0) |
1850 | { | |
1851 | char *end; | |
1852 | config.maxpagesize = strtoul (optarg + 14, &end, 0); | |
1853 | if (*end) | |
1854 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), | |
1855 | optarg + 14); | |
1856 | } | |
1857 | else if (strncmp (optarg, "common-page-size=", 17) == 0) | |
1858 | { | |
1859 | char *end; | |
1860 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
1861 | if (*end) | |
1862 | einfo (_("%P%F: invalid common page size \`%s'\n"), | |
1863 | optarg + 17); | |
1864 | } | |
e0ee487b | 1865 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1866 | break; |
e0ee487b L |
1867 | EOF |
1868 | fi | |
1869 | ||
1870 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1871 | cat >>e${EMULATION_NAME}.c <<EOF | |
1872 | $PARSE_AND_LIST_ARGS_CASES | |
1873 | EOF | |
1874 | fi | |
1875 | ||
e0ee487b L |
1876 | cat >>e${EMULATION_NAME}.c <<EOF |
1877 | } | |
1878 | ||
3bcf5557 | 1879 | return TRUE; |
e0ee487b L |
1880 | } |
1881 | ||
41392f03 | 1882 | EOF |
41392f03 | 1883 | |
4b209b22 | 1884 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1885 | cat >>e${EMULATION_NAME}.c <<EOF |
1886 | ||
e0ee487b | 1887 | static void |
0c7a8e5a | 1888 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b L |
1889 | { |
1890 | EOF | |
e0ee487b L |
1891 | |
1892 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1893 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1894 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1895 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1896 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1897 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1898 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
560e09e9 | 1899 | fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n")); |
9ee5e499 | 1900 | fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n")); |
f813923c HPN |
1901 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1902 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1903 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1904 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1905 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1906 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1907 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1908 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1909 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1910 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
10b4329d | 1911 | fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n")); |
8c37241b | 1912 | fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n")); |
e0ee487b | 1913 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1914 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
8c37241b | 1915 | fprintf (file, _(" -z relro\t\tCreate RELRO program header\n")); |
24718e3b L |
1916 | fprintf (file, _(" -z max-page-size=SIZE\tSet maximum page size to SIZE\n")); |
1917 | fprintf (file, _(" -z common-page-size=SIZE\n\t\t\tSet common page size to SIZE\n")); | |
19e3be22 | 1918 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1919 | EOF |
1920 | fi | |
1921 | ||
1922 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1923 | cat >>e${EMULATION_NAME}.c <<EOF | |
1924 | $PARSE_AND_LIST_OPTIONS | |
1925 | EOF | |
1926 | fi | |
1927 | ||
e0ee487b L |
1928 | cat >>e${EMULATION_NAME}.c <<EOF |
1929 | } | |
1930 | EOF | |
e0ee487b L |
1931 | |
1932 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1933 | cat >>e${EMULATION_NAME}.c <<EOF | |
1934 | $PARSE_AND_LIST_EPILOGUE | |
1935 | EOF | |
1936 | fi | |
41392f03 AM |
1937 | fi |
1938 | else | |
41392f03 | 1939 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1940 | #define gld${EMULATION_NAME}_add_options NULL |
1941 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 1942 | EOF |
4b209b22 | 1943 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1944 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1945 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1946 | EOF |
1947 | fi | |
1948 | fi | |
e0ee487b | 1949 | |
252b5132 RH |
1950 | cat >>e${EMULATION_NAME}.c <<EOF |
1951 | ||
60bcf0fa | 1952 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1953 | { |
41392f03 AM |
1954 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1955 | ${LDEMUL_SYSLIB-syslib_default}, | |
1956 | ${LDEMUL_HLL-hll_default}, | |
1957 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1958 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1959 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1960 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1961 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1962 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1963 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1964 | "${EMULATION_NAME}", |
1965 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1966 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1967 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1968 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1969 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1970 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
1971 | ${LDEMUL_PARSE_ARGS-NULL}, |
1972 | gld${EMULATION_NAME}_add_options, | |
1973 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 1974 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1975 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 1976 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 1977 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 1978 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1979 | }; |
1980 | EOF |