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 ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
7e9f0867 | 16 | 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${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" |
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${EMULATION_NAME}_before_allocation (void); | |
b34976b6 | 61 | static bfd_boolean gld${EMULATION_NAME}_place_orphan |
0c7a8e5a | 62 | (lang_input_statement_type *file, asection *s); |
deb04cdb AM |
63 | static void gld${EMULATION_NAME}_layout_sections_again (void); |
64 | static void gld${EMULATION_NAME}_strip_empty_sections (void); | |
65 | static void gld${EMULATION_NAME}_provide_init_fini_syms (void); | |
66 | static void gld${EMULATION_NAME}_finish (void) ATTRIBUTE_UNUSED; | |
252b5132 | 67 | |
41392f03 AM |
68 | EOF |
69 | ||
d3989512 JJ |
70 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
71 | case ${target} in | |
ed84e695 | 72 | *-*-linux-*) |
d3989512 | 73 | cat >>e${EMULATION_NAME}.c <<EOF |
0b48acfe | 74 | #ifdef HAVE_GLOB |
d3989512 | 75 | #include <glob.h> |
0b48acfe | 76 | #endif |
d3989512 JJ |
77 | EOF |
78 | ;; | |
79 | esac | |
80 | fi | |
81 | ||
41392f03 AM |
82 | # Import any needed special functions and/or overrides. |
83 | # | |
84 | if test -n "$EXTRA_EM_FILE" ; then | |
85 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
86 | fi | |
87 | ||
f813923c | 88 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
89 | # variables. If the name of the overriding function is the same as is |
90 | # defined in this file, then don't output this file's version. | |
91 | # If a different overriding name is given then output the standard function | |
92 | # as presumably it is called from the overriding function. | |
93 | # | |
94 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
95 | cat >>e${EMULATION_NAME}.c <<EOF | |
96 | ||
252b5132 | 97 | static void |
0c7a8e5a | 98 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 99 | { |
5e2f1575 | 100 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
b34976b6 AM |
101 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
102 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
103 | } |
104 | ||
41392f03 AM |
105 | EOF |
106 | fi | |
107 | ||
4a43e768 AM |
108 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
109 | cat >>e${EMULATION_NAME}.c <<EOF | |
110 | /* Handle as_needed DT_NEEDED. */ | |
111 | ||
112 | static bfd_boolean | |
113 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
114 | { | |
e56f61be | 115 | int class = 0; |
4a43e768 AM |
116 | |
117 | /* Tell the ELF linker that we don't want the output file to have a | |
118 | DT_NEEDED entry for this file, unless it is used to resolve | |
119 | references in a regular object. */ | |
e56f61be L |
120 | if (entry->as_needed) |
121 | class = DYN_AS_NEEDED; | |
122 | ||
123 | /* Tell the ELF linker that we don't want the output file to have a | |
124 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
125 | this file at all. */ | |
126 | if (!entry->add_needed) | |
127 | class |= DYN_NO_ADD_NEEDED; | |
128 | ||
129 | if (!class | |
130 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) | |
131 | return FALSE; | |
132 | ||
133 | bfd_elf_set_dyn_lib_class (entry->the_bfd, class); | |
4a43e768 AM |
134 | |
135 | /* Continue on with normal load_symbols processing. */ | |
136 | return FALSE; | |
137 | } | |
138 | EOF | |
139 | fi | |
140 | ||
41392f03 | 141 | cat >>e${EMULATION_NAME}.c <<EOF |
252b5132 RH |
142 | |
143 | /* These variables are required to pass information back and forth | |
144 | between after_open and check_needed and stat_needed and vercheck. */ | |
145 | ||
146 | static struct bfd_link_needed_list *global_needed; | |
147 | static struct stat global_stat; | |
b34976b6 | 148 | static bfd_boolean global_found; |
252b5132 | 149 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 150 | static bfd_boolean global_vercheck_failed; |
252b5132 | 151 | |
252b5132 | 152 | |
04925e1e AM |
153 | /* On Linux, it's possible to have different versions of the same |
154 | shared library linked against different versions of libc. The | |
155 | dynamic linker somehow tags which libc version to use in | |
156 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
157 | executable, chooses which version of the shared library to use. | |
252b5132 | 158 | |
04925e1e AM |
159 | We try to do a similar check here by checking whether this shared |
160 | library needs any other shared libraries which may conflict with | |
161 | libraries we have already included in the link. If it does, we | |
162 | skip it, and try to find another shared library farther on down the | |
163 | link path. | |
252b5132 | 164 | |
04925e1e AM |
165 | This is called via lang_for_each_input_file. |
166 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 167 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 168 | a conflicting version. */ |
252b5132 | 169 | |
04925e1e | 170 | static void |
0c7a8e5a | 171 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 172 | { |
1c9acd94 | 173 | const char *soname; |
04925e1e | 174 | struct bfd_link_needed_list *l; |
252b5132 | 175 | |
04925e1e AM |
176 | if (global_vercheck_failed) |
177 | return; | |
178 | if (s->the_bfd == NULL | |
179 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
180 | return; | |
252b5132 | 181 | |
04925e1e AM |
182 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
183 | if (soname == NULL) | |
fed2999d | 184 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
185 | |
186 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
187 | { | |
188 | const char *suffix; | |
189 | ||
1c9acd94 | 190 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
191 | { |
192 | /* Probably can't happen, but it's an easy check. */ | |
193 | continue; | |
252b5132 RH |
194 | } |
195 | ||
04925e1e | 196 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
197 | continue; |
198 | ||
04925e1e AM |
199 | suffix = strstr (l->name, ".so."); |
200 | if (suffix == NULL) | |
201 | continue; | |
202 | ||
203 | suffix += sizeof ".so." - 1; | |
204 | ||
1c9acd94 | 205 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
206 | { |
207 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
208 | the object we are considering needs a dynamic object |
209 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
210 | appears to be a version mismatch, so we tell the caller | |
211 | to try a different version of this library. */ | |
b34976b6 | 212 | global_vercheck_failed = TRUE; |
04925e1e AM |
213 | return; |
214 | } | |
252b5132 RH |
215 | } |
216 | } | |
217 | ||
252b5132 | 218 | |
04925e1e AM |
219 | /* See if an input file matches a DT_NEEDED entry by running stat on |
220 | the file. */ | |
221 | ||
222 | static void | |
0c7a8e5a | 223 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 224 | { |
04925e1e AM |
225 | struct stat st; |
226 | const char *suffix; | |
227 | const char *soname; | |
252b5132 | 228 | |
04925e1e AM |
229 | if (global_found) |
230 | return; | |
231 | if (s->the_bfd == NULL) | |
232 | return; | |
7cedef86 AM |
233 | if (s->as_needed |
234 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
235 | return; | |
04925e1e AM |
236 | |
237 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 238 | { |
04925e1e AM |
239 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
240 | return; | |
241 | } | |
252b5132 | 242 | |
9eabd475 ZW |
243 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
244 | st_ino; they always set it to zero. (Windows does provide a | |
245 | meaningful st_dev.) Do not indicate a duplicate library in that | |
246 | case. While there is no guarantee that a system that provides | |
247 | meaningful inode numbers will never set st_ino to zero, this is | |
248 | merely an optimization, so we do not need to worry about false | |
249 | negatives. */ | |
04925e1e | 250 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
251 | && st.st_ino == global_stat.st_ino |
252 | && st.st_ino != 0) | |
04925e1e | 253 | { |
b34976b6 | 254 | global_found = TRUE; |
04925e1e AM |
255 | return; |
256 | } | |
252b5132 | 257 | |
04925e1e AM |
258 | /* We issue a warning if it looks like we are including two |
259 | different versions of the same shared library. For example, | |
260 | there may be a problem if -lc picks up libc.so.6 but some other | |
261 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 262 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
263 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
264 | If we really want to issue warnings about mixing version numbers | |
265 | of shared libraries, we need to find a better way. */ | |
252b5132 | 266 | |
04925e1e AM |
267 | if (strchr (global_needed->name, '/') != NULL) |
268 | return; | |
269 | suffix = strstr (global_needed->name, ".so."); | |
270 | if (suffix == NULL) | |
271 | return; | |
272 | suffix += sizeof ".so." - 1; | |
252b5132 | 273 | |
04925e1e AM |
274 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
275 | if (soname == NULL) | |
fed2999d | 276 | soname = lbasename (s->filename); |
252b5132 | 277 | |
cde43e70 | 278 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 279 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 280 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
281 | } |
282 | ||
e56f61be L |
283 | struct dt_needed |
284 | { | |
285 | bfd *by; | |
286 | const char *name; | |
287 | }; | |
04925e1e | 288 | |
252b5132 RH |
289 | /* This function is called for each possible name for a dynamic object |
290 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
291 | to skip the check for a conflicting version. */ | |
292 | ||
b34976b6 | 293 | static bfd_boolean |
e56f61be L |
294 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
295 | int force) | |
252b5132 RH |
296 | { |
297 | bfd *abfd; | |
e56f61be | 298 | const char *name = needed->name; |
ec4eb78a | 299 | const char *soname; |
e56f61be | 300 | int class; |
252b5132 RH |
301 | |
302 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
303 | if (abfd == NULL) | |
b34976b6 | 304 | return FALSE; |
252b5132 RH |
305 | if (! bfd_check_format (abfd, bfd_object)) |
306 | { | |
cde43e70 | 307 | bfd_close (abfd); |
b34976b6 | 308 | return FALSE; |
252b5132 RH |
309 | } |
310 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
311 | { | |
cde43e70 | 312 | bfd_close (abfd); |
b34976b6 | 313 | return FALSE; |
252b5132 RH |
314 | } |
315 | ||
c4bb8067 L |
316 | /* For DT_NEEDED, they have to match. */ |
317 | if (abfd->xvec != output_bfd->xvec) | |
318 | { | |
319 | bfd_close (abfd); | |
b34976b6 | 320 | return FALSE; |
c4bb8067 L |
321 | } |
322 | ||
252b5132 RH |
323 | /* Check whether this object would include any conflicting library |
324 | versions. If FORCE is set, then we skip this check; we use this | |
325 | the second time around, if we couldn't find any compatible | |
326 | instance of the shared library. */ | |
327 | ||
328 | if (! force) | |
329 | { | |
330 | struct bfd_link_needed_list *needed; | |
331 | ||
332 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
333 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
334 | ||
335 | if (needed != NULL) | |
336 | { | |
337 | global_vercheck_needed = needed; | |
b34976b6 | 338 | global_vercheck_failed = FALSE; |
252b5132 RH |
339 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
340 | if (global_vercheck_failed) | |
341 | { | |
cde43e70 | 342 | bfd_close (abfd); |
b34976b6 | 343 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 344 | another file on the search path. */ |
b34976b6 | 345 | return FALSE; |
252b5132 RH |
346 | } |
347 | ||
348 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
349 | library does not use libc at all, we are supposed to skip |
350 | it the first time around in case we encounter a shared | |
351 | library later on with the same name which does use the | |
352 | version of libc that we want. This is much too horrible | |
353 | to use on any system other than Linux. */ | |
252b5132 RH |
354 | |
355 | EOF | |
356 | case ${target} in | |
ed84e695 | 357 | *-*-linux-*) |
252b5132 RH |
358 | cat >>e${EMULATION_NAME}.c <<EOF |
359 | { | |
360 | struct bfd_link_needed_list *l; | |
361 | ||
362 | for (l = needed; l != NULL; l = l->next) | |
363 | if (strncmp (l->name, "libc.so", 7) == 0) | |
364 | break; | |
365 | if (l == NULL) | |
366 | { | |
cde43e70 | 367 | bfd_close (abfd); |
b34976b6 | 368 | return FALSE; |
252b5132 RH |
369 | } |
370 | } | |
371 | ||
372 | EOF | |
373 | ;; | |
374 | esac | |
375 | cat >>e${EMULATION_NAME}.c <<EOF | |
376 | } | |
377 | } | |
378 | ||
379 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
380 | ||
04925e1e AM |
381 | /* We have already checked that there is no other input file of the |
382 | same name. We must now check again that we are not including the | |
383 | same file twice. We need to do this because on many systems | |
384 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
385 | reference libc.so.1. If we have already included libc.so, we | |
386 | don't want to include libc.so.1 if they are the same file, and we | |
387 | can only check that using stat. */ | |
388 | ||
389 | if (bfd_stat (abfd, &global_stat) != 0) | |
390 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
391 | |
392 | /* First strip off everything before the last '/'. */ | |
fed2999d | 393 | soname = lbasename (abfd->filename); |
ec4eb78a L |
394 | |
395 | if (trace_file_tries) | |
396 | info_msg (_("found %s at %s\n"), soname, name); | |
397 | ||
b34976b6 | 398 | global_found = FALSE; |
04925e1e AM |
399 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
400 | if (global_found) | |
401 | { | |
b34976b6 | 402 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 403 | we aren't going to do anything with it. */ |
b34976b6 | 404 | return TRUE; |
04925e1e AM |
405 | } |
406 | ||
4a43e768 AM |
407 | /* Specify the soname to use. */ |
408 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 409 | |
4a43e768 AM |
410 | /* Tell the ELF linker that we don't want the output file to have a |
411 | DT_NEEDED entry for this file, unless it is used to resolve | |
412 | references in a regular object. */ | |
e56f61be L |
413 | class = DYN_DT_NEEDED; |
414 | ||
415 | /* Tell the ELF linker that we don't want the output file to have a | |
416 | DT_NEEDED entry for this file at all if the entry is from a file | |
417 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
418 | if (needed->by != NULL |
419 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
e56f61be L |
420 | class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
421 | ||
422 | bfd_elf_set_dyn_lib_class (abfd, class); | |
04925e1e AM |
423 | |
424 | /* Add this file into the symbol table. */ | |
425 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
426 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
427 | ||
b34976b6 | 428 | return TRUE; |
04925e1e AM |
429 | } |
430 | ||
431 | ||
432 | /* Search for a needed file in a path. */ | |
433 | ||
b34976b6 | 434 | static bfd_boolean |
e56f61be L |
435 | gld${EMULATION_NAME}_search_needed (const char *path, |
436 | struct dt_needed *n, int force) | |
04925e1e AM |
437 | { |
438 | const char *s; | |
e56f61be | 439 | const char *name = n->name; |
04925e1e | 440 | size_t len; |
e56f61be | 441 | struct dt_needed needed; |
04925e1e | 442 | |
cc5ce052 | 443 | if (name[0] == '/') |
e56f61be | 444 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 445 | |
04925e1e | 446 | if (path == NULL || *path == '\0') |
b34976b6 | 447 | return FALSE; |
e56f61be L |
448 | |
449 | needed.by = n->by; | |
450 | needed.name = n->name; | |
451 | ||
04925e1e AM |
452 | len = strlen (name); |
453 | while (1) | |
454 | { | |
455 | char *filename, *sset; | |
456 | ||
457 | s = strchr (path, ':'); | |
458 | if (s == NULL) | |
459 | s = path + strlen (path); | |
460 | ||
461 | filename = (char *) xmalloc (s - path + len + 2); | |
462 | if (s == path) | |
463 | sset = filename; | |
464 | else | |
465 | { | |
466 | memcpy (filename, path, s - path); | |
467 | filename[s - path] = '/'; | |
468 | sset = filename + (s - path) + 1; | |
469 | } | |
470 | strcpy (sset, name); | |
471 | ||
e56f61be L |
472 | needed.name = filename; |
473 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 474 | return TRUE; |
04925e1e AM |
475 | |
476 | free (filename); | |
477 | ||
478 | if (*s == '\0') | |
479 | break; | |
480 | path = s + 1; | |
481 | } | |
482 | ||
b34976b6 | 483 | return FALSE; |
04925e1e AM |
484 | } |
485 | ||
486 | EOF | |
9c8ebd6a | 487 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 488 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a DJ |
489 | |
490 | /* Add the sysroot to every entry in a colon-separated path. */ | |
491 | ||
492 | static char * | |
0c7a8e5a | 493 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
494 | { |
495 | int len, colons, i; | |
496 | char *ret, *p; | |
497 | ||
498 | len = strlen (path); | |
499 | colons = 0; | |
500 | i = 0; | |
501 | while (path[i]) | |
502 | if (path[i++] == ':') | |
503 | colons++; | |
504 | ||
505 | if (path[i]) | |
506 | colons++; | |
507 | ||
42644a89 | 508 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
509 | ret = xmalloc (len + 1); |
510 | strcpy (ret, ld_sysroot); | |
511 | p = ret + strlen (ret); | |
512 | i = 0; | |
513 | while (path[i]) | |
514 | if (path[i] == ':') | |
515 | { | |
0c7a8e5a | 516 | *p++ = path[i++]; |
9c8ebd6a DJ |
517 | strcpy (p, ld_sysroot); |
518 | p = p + strlen (p); | |
9c8ebd6a DJ |
519 | } |
520 | else | |
521 | *p++ = path[i++]; | |
522 | ||
523 | *p = 0; | |
524 | return ret; | |
525 | } | |
04925e1e | 526 | |
3dc16cab DJ |
527 | EOF |
528 | case ${target} in | |
ed84e695 | 529 | *-*-linux-*) |
3dc16cab | 530 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
531 | /* For a native linker, check the file /etc/ld.so.conf for directories |
532 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 533 | only meaningful on Linux. */ |
04925e1e | 534 | |
d3989512 | 535 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 536 | { |
d3989512 JJ |
537 | char *path; |
538 | size_t len, alloc; | |
539 | }; | |
04925e1e | 540 | |
d3989512 JJ |
541 | static void |
542 | gld${EMULATION_NAME}_parse_ld_so_conf | |
543 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
544 | ||
545 | static void | |
546 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
547 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
548 | const char *pattern) | |
549 | { | |
550 | char *newp = NULL; | |
0b48acfe | 551 | #ifdef HAVE_GLOB |
d3989512 | 552 | glob_t gl; |
0b48acfe | 553 | #endif |
d3989512 JJ |
554 | |
555 | if (pattern[0] != '/') | |
04925e1e | 556 | { |
d3989512 JJ |
557 | char *p = strrchr (filename, '/'); |
558 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 559 | |
d3989512 JJ |
560 | newp = xmalloc (p - filename + 1 + patlen); |
561 | memcpy (newp, filename, p - filename + 1); | |
562 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
563 | pattern = newp; | |
564 | } | |
04925e1e | 565 | |
0b48acfe | 566 | #ifdef HAVE_GLOB |
d3989512 JJ |
567 | if (glob (pattern, 0, NULL, &gl) == 0) |
568 | { | |
569 | size_t i; | |
570 | ||
571 | for (i = 0; i < gl.gl_pathc; ++i) | |
572 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
573 | globfree (&gl); | |
574 | } | |
0b48acfe MM |
575 | #else |
576 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
577 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
578 | #endif | |
d3989512 JJ |
579 | |
580 | if (newp) | |
581 | free (newp); | |
582 | } | |
583 | ||
584 | static void | |
585 | gld${EMULATION_NAME}_parse_ld_so_conf | |
586 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
587 | { | |
588 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
589 | char *line; |
590 | size_t linelen; | |
d3989512 JJ |
591 | |
592 | if (f == NULL) | |
593 | return; | |
594 | ||
563f4125 JJ |
595 | linelen = 256; |
596 | line = xmalloc (linelen); | |
597 | do | |
d3989512 | 598 | { |
563f4125 JJ |
599 | char *p = line, *q; |
600 | ||
601 | /* Normally this would use getline(3), but we need to be portable. */ | |
602 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
603 | && strlen (q) == linelen - (p - line) - 1 | |
604 | && line[linelen - 2] != '\n') | |
605 | { | |
606 | line = xrealloc (line, 2 * linelen); | |
607 | p = line + linelen - 1; | |
608 | linelen += linelen; | |
609 | } | |
610 | ||
611 | if (q == NULL && p == line) | |
612 | break; | |
d3989512 JJ |
613 | |
614 | p = strchr (line, '\n'); | |
615 | if (p) | |
616 | *p = '\0'; | |
617 | ||
618 | /* Because the file format does not know any form of quoting we | |
619 | can search forward for the next '#' character and if found | |
620 | make it terminating the line. */ | |
621 | p = strchr (line, '#'); | |
622 | if (p) | |
623 | *p = '\0'; | |
624 | ||
625 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
626 | p = line; | |
627 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
628 | ++p; | |
629 | ||
630 | /* If the line is blank it is ignored. */ | |
631 | if (p[0] == '\0') | |
632 | continue; | |
04925e1e | 633 | |
d3989512 JJ |
634 | if (!strncmp (p, "include", 7) && (p[7] == ' ' || p[7] == '\t')) |
635 | { | |
636 | char *dir, c; | |
637 | p += 8; | |
638 | do | |
04925e1e | 639 | { |
d3989512 JJ |
640 | while (*p == ' ' || *p == '\t') |
641 | ++p; | |
04925e1e | 642 | |
d3989512 JJ |
643 | if (*p == '\0') |
644 | break; | |
252b5132 | 645 | |
d3989512 JJ |
646 | dir = p; |
647 | ||
648 | while (*p != ' ' && *p != '\t' && *p) | |
649 | ++p; | |
650 | ||
651 | c = *p; | |
652 | *p++ = '\0'; | |
653 | if (dir[0] != '\0') | |
654 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
655 | dir); | |
656 | } | |
657 | while (c != '\0'); | |
658 | } | |
659 | else | |
660 | { | |
661 | char *dir = p; | |
662 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
663 | && *p != '\r' && *p != '\v') | |
664 | ++p; | |
665 | ||
666 | while (p != dir && p[-1] == '/') | |
667 | --p; | |
668 | if (info->path == NULL) | |
669 | { | |
670 | info->alloc = p - dir + 1 + 256; | |
671 | info->path = xmalloc (info->alloc); | |
672 | info->len = 0; | |
673 | } | |
04925e1e AM |
674 | else |
675 | { | |
d3989512 JJ |
676 | if (info->len + 1 + (p - dir) >= info->alloc) |
677 | { | |
678 | info->alloc += p - dir + 256; | |
679 | info->path = xrealloc (info->path, info->alloc); | |
680 | } | |
681 | info->path[info->len++] = ':'; | |
04925e1e | 682 | } |
d3989512 JJ |
683 | memcpy (info->path + info->len, dir, p - dir); |
684 | info->len += p - dir; | |
685 | info->path[info->len] = '\0'; | |
686 | } | |
687 | } | |
563f4125 | 688 | while (! feof (f)); |
d3989512 JJ |
689 | free (line); |
690 | fclose (f); | |
691 | } | |
252b5132 | 692 | |
d3989512 JJ |
693 | static bfd_boolean |
694 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
695 | { | |
696 | static bfd_boolean initialized; | |
697 | static char *ld_so_conf; | |
698 | struct dt_needed needed; | |
252b5132 | 699 | |
d3989512 JJ |
700 | if (! initialized) |
701 | { | |
702 | char *tmppath; | |
703 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 704 | |
d3989512 JJ |
705 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); |
706 | info.path = NULL; | |
707 | info.len = info.alloc = 0; | |
708 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); | |
709 | free (tmppath); | |
710 | if (info.path) | |
711 | { | |
712 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
713 | free (info.path); | |
714 | ld_so_conf = d; | |
04925e1e | 715 | } |
b34976b6 | 716 | initialized = TRUE; |
04925e1e | 717 | } |
49e56c49 | 718 | |
04925e1e | 719 | if (ld_so_conf == NULL) |
b34976b6 | 720 | return FALSE; |
252b5132 | 721 | |
e56f61be L |
722 | |
723 | needed.by = NULL; | |
724 | needed.name = name; | |
725 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
726 | } |
727 | ||
04925e1e | 728 | EOF |
9c8ebd6a DJ |
729 | # Linux |
730 | ;; | |
04925e1e AM |
731 | esac |
732 | fi | |
733 | cat >>e${EMULATION_NAME}.c <<EOF | |
734 | ||
252b5132 RH |
735 | /* See if an input file matches a DT_NEEDED entry by name. */ |
736 | ||
737 | static void | |
0c7a8e5a | 738 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 RH |
739 | { |
740 | if (global_found) | |
741 | return; | |
742 | ||
7cedef86 AM |
743 | /* If this input file was an as-needed entry, and wasn't found to be |
744 | needed at the stage it was linked, then don't say we have loaded it. */ | |
745 | if (s->as_needed | |
746 | && (s->the_bfd == NULL | |
747 | || (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0)) | |
748 | return; | |
749 | ||
577a0623 | 750 | if (s->filename != NULL) |
252b5132 | 751 | { |
577a0623 AM |
752 | const char *f; |
753 | ||
754 | if (strcmp (s->filename, global_needed->name) == 0) | |
755 | { | |
b34976b6 | 756 | global_found = TRUE; |
577a0623 AM |
757 | return; |
758 | } | |
759 | ||
760 | if (s->search_dirs_flag) | |
761 | { | |
762 | f = strrchr (s->filename, '/'); | |
763 | if (f != NULL | |
764 | && strcmp (f + 1, global_needed->name) == 0) | |
765 | { | |
b34976b6 | 766 | global_found = TRUE; |
577a0623 AM |
767 | return; |
768 | } | |
769 | } | |
252b5132 RH |
770 | } |
771 | ||
772 | if (s->the_bfd != NULL) | |
773 | { | |
774 | const char *soname; | |
775 | ||
776 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
777 | if (soname != NULL | |
778 | && strcmp (soname, global_needed->name) == 0) | |
779 | { | |
b34976b6 | 780 | global_found = TRUE; |
252b5132 RH |
781 | return; |
782 | } | |
783 | } | |
252b5132 RH |
784 | } |
785 | ||
41392f03 AM |
786 | EOF |
787 | ||
788 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
789 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
790 | |
791 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
792 | |
793 | static void | |
0c7a8e5a | 794 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 795 | { |
04925e1e | 796 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 797 | |
04925e1e | 798 | /* We only need to worry about this when doing a final link. */ |
1049f94e | 799 | if (link_info.relocatable || !link_info.executable) |
252b5132 RH |
800 | return; |
801 | ||
04925e1e AM |
802 | /* Get the list of files which appear in DT_NEEDED entries in |
803 | dynamic objects included in the link (often there will be none). | |
804 | For each such file, we want to track down the corresponding | |
805 | library, and include the symbol table in the link. This is what | |
806 | the runtime dynamic linker will do. Tracking the files down here | |
807 | permits one dynamic object to include another without requiring | |
808 | special action by the person doing the link. Note that the | |
809 | needed list can actually grow while we are stepping through this | |
810 | loop. */ | |
811 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
812 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 813 | { |
04925e1e | 814 | struct bfd_link_needed_list *ll; |
e56f61be | 815 | struct dt_needed n, nn; |
04925e1e | 816 | int force; |
252b5132 | 817 | |
7e9f0867 AM |
818 | /* If the lib that needs this one was --as-needed and wasn't |
819 | found to be needed, then this lib isn't needed either. */ | |
820 | if (l->by != NULL | |
821 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) | |
822 | continue; | |
823 | ||
04925e1e AM |
824 | /* If we've already seen this file, skip it. */ |
825 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
826 | if ((ll->by == NULL |
827 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
828 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
829 | break; |
830 | if (ll != l) | |
831 | continue; | |
252b5132 | 832 | |
04925e1e AM |
833 | /* See if this file was included in the link explicitly. */ |
834 | global_needed = l; | |
b34976b6 | 835 | global_found = FALSE; |
04925e1e AM |
836 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
837 | if (global_found) | |
838 | continue; | |
252b5132 | 839 | |
e56f61be L |
840 | n.by = l->by; |
841 | n.name = l->name; | |
842 | nn.by = l->by; | |
ec4eb78a L |
843 | if (trace_file_tries) |
844 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
845 | ||
04925e1e AM |
846 | /* We need to find this file and include the symbol table. We |
847 | want to search for the file in the same way that the dynamic | |
848 | linker will search. That means that we want to use | |
849 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
850 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
851 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
852 | We do not search using the -L arguments. | |
252b5132 | 853 | |
04925e1e AM |
854 | We search twice. The first time, we skip objects which may |
855 | introduce version mismatches. The second time, we force | |
856 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
857 | for (force = 0; force < 2; force++) | |
858 | { | |
04925e1e AM |
859 | size_t len; |
860 | search_dirs_type *search; | |
6dd8c765 | 861 | EOF |
ff925e69 | 862 | if [ "x${NATIVE}" = xyes ] ; then |
6dd8c765 | 863 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 864 | const char *lib_path; |
ff925e69 KK |
865 | EOF |
866 | fi | |
867 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
868 | cat >>e${EMULATION_NAME}.c <<EOF | |
6dd8c765 L |
869 | struct bfd_link_needed_list *rp; |
870 | int found; | |
871 | EOF | |
6dd8c765 L |
872 | fi |
873 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 874 | |
04925e1e | 875 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 876 | &n, force)) |
04925e1e | 877 | break; |
dcb0bd0e | 878 | EOF |
9c8ebd6a | 879 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 880 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 881 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 882 | &n, force)) |
04925e1e | 883 | break; |
9c8ebd6a DJ |
884 | EOF |
885 | fi | |
886 | if [ "x${NATIVE}" = xyes ] ; then | |
887 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
888 | if (command_line.rpath_link == NULL |
889 | && command_line.rpath == NULL) | |
890 | { | |
891 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 892 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
893 | force)) |
894 | break; | |
895 | } | |
04925e1e | 896 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 897 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 898 | break; |
9c8ebd6a DJ |
899 | EOF |
900 | fi | |
901 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
902 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 903 | found = 0; |
6dd8c765 L |
904 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
905 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 906 | { |
9c8ebd6a | 907 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 908 | found = (rp->by == l->by |
9c8ebd6a | 909 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 910 | &n, |
ec4eb78a | 911 | force)); |
9c8ebd6a | 912 | free (tmpname); |
ec4eb78a L |
913 | } |
914 | if (found) | |
915 | break; | |
916 | ||
04925e1e | 917 | EOF |
04925e1e AM |
918 | fi |
919 | cat >>e${EMULATION_NAME}.c <<EOF | |
920 | len = strlen (l->name); | |
921 | for (search = search_head; search != NULL; search = search->next) | |
922 | { | |
923 | char *filename; | |
252b5132 | 924 | |
04925e1e AM |
925 | if (search->cmdline) |
926 | continue; | |
927 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
928 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
929 | nn.name = filename; |
930 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
931 | break; |
932 | free (filename); | |
933 | } | |
934 | if (search != NULL) | |
935 | break; | |
936 | EOF | |
9c8ebd6a DJ |
937 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
938 | case ${target} in | |
ed84e695 | 939 | *-*-linux-*) |
9c8ebd6a | 940 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
941 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
942 | break; | |
943 | EOF | |
9c8ebd6a DJ |
944 | # Linux |
945 | ;; | |
04925e1e AM |
946 | esac |
947 | fi | |
948 | cat >>e${EMULATION_NAME}.c <<EOF | |
949 | } | |
252b5132 | 950 | |
04925e1e AM |
951 | if (force < 2) |
952 | continue; | |
252b5132 | 953 | |
e374f1d9 | 954 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
955 | l->name, l->by); |
956 | } | |
957 | } | |
252b5132 | 958 | |
41392f03 AM |
959 | EOF |
960 | fi | |
961 | ||
962 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 963 | |
04925e1e | 964 | /* Look through an expression for an assignment statement. */ |
252b5132 | 965 | |
04925e1e | 966 | static void |
0c7a8e5a | 967 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 968 | { |
4ea42fb7 | 969 | bfd_boolean provide = FALSE; |
04925e1e AM |
970 | |
971 | switch (exp->type.node_class) | |
252b5132 | 972 | { |
04925e1e | 973 | case etree_provide: |
4ea42fb7 AM |
974 | provide = TRUE; |
975 | /* Fall thru */ | |
976 | case etree_assign: | |
04925e1e AM |
977 | /* We call record_link_assignment even if the symbol is defined. |
978 | This is because if it is defined by a dynamic object, we | |
979 | actually want to use the value defined by the linker script, | |
980 | not the value from the dynamic object (because we are setting | |
981 | symbols like etext). If the symbol is defined by a regular | |
982 | object, then, as it happens, calling record_link_assignment | |
983 | will do no harm. */ | |
04925e1e | 984 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 985 | { |
4ea42fb7 AM |
986 | if (!bfd_elf_record_link_assignment (output_bfd, &link_info, |
987 | exp->assign.dst, provide)) | |
04925e1e AM |
988 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
989 | exp->assign.dst); | |
252b5132 | 990 | } |
04925e1e AM |
991 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
992 | break; | |
252b5132 | 993 | |
04925e1e AM |
994 | case etree_binary: |
995 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
996 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
997 | break; | |
252b5132 | 998 | |
04925e1e AM |
999 | case etree_trinary: |
1000 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1001 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1002 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1003 | break; | |
252b5132 | 1004 | |
04925e1e AM |
1005 | case etree_unary: |
1006 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1007 | break; | |
252b5132 | 1008 | |
04925e1e AM |
1009 | default: |
1010 | break; | |
252b5132 RH |
1011 | } |
1012 | } | |
1013 | ||
04925e1e AM |
1014 | |
1015 | /* This is called by the before_allocation routine via | |
1016 | lang_for_each_statement. It locates any assignment statements, and | |
1017 | tells the ELF backend about them, in case they are assignments to | |
1018 | symbols which are referred to by dynamic objects. */ | |
1019 | ||
1020 | static void | |
0c7a8e5a | 1021 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1022 | { |
1023 | if (s->header.type == lang_assignment_statement_enum) | |
1024 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1025 | } | |
1026 | ||
41392f03 AM |
1027 | EOF |
1028 | ||
1029 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1030 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1031 | ELF_INTERPRETER_SET_DEFAULT=" | |
1032 | if (sinterp != NULL) | |
1033 | { | |
5718918d AM |
1034 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1035 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1036 | } |
1037 | ||
1038 | " | |
1039 | else | |
1040 | ELF_INTERPRETER_SET_DEFAULT= | |
1041 | fi | |
41392f03 | 1042 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 1043 | |
252b5132 RH |
1044 | /* This is called after the sections have been attached to output |
1045 | sections, but before any sizes or addresses have been set. */ | |
1046 | ||
1047 | static void | |
0c7a8e5a | 1048 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1049 | { |
1050 | const char *rpath; | |
1051 | asection *sinterp; | |
1052 | ||
fd574c46 | 1053 | if (link_info.hash->type == bfd_link_elf_hash_table) |
e1918d23 AM |
1054 | _bfd_elf_tls_setup (output_bfd, &link_info); |
1055 | ||
252b5132 RH |
1056 | /* If we are going to make any variable assignments, we need to let |
1057 | the ELF backend know about them in case the variables are | |
1058 | referred to by dynamic objects. */ | |
1059 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1060 | ||
1061 | /* Let the ELF backend work out the sizes of any sections required | |
1062 | by dynamic linking. */ | |
1063 | rpath = command_line.rpath; | |
1064 | if (rpath == NULL) | |
1065 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
5a580b3a | 1066 | if (! (bfd_elf_size_dynamic_sections |
0c7a8e5a | 1067 | (output_bfd, command_line.soname, rpath, |
605d9b3a | 1068 | command_line.filter_shlib, |
252b5132 RH |
1069 | (const char * const *) command_line.auxiliary_filters, |
1070 | &link_info, &sinterp, lang_elf_version_info))) | |
1071 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
8423293d | 1072 | |
57e6abd2 | 1073 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1074 | /* Let the user override the dynamic linker we are using. */ |
1075 | if (command_line.interpreter != NULL | |
1076 | && sinterp != NULL) | |
1077 | { | |
1078 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1079 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1080 | } |
1081 | ||
1082 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1083 | we treat such sections as containing warning messages. We print | |
1084 | out the warning message, and then zero out the section size so | |
1085 | that it does not get copied into the output file. */ | |
1086 | ||
1087 | { | |
1088 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1089 | { | |
1090 | asection *s; | |
1091 | bfd_size_type sz; | |
8c675694 | 1092 | bfd_size_type prefix_len; |
252b5132 | 1093 | char *msg; |
b34976b6 | 1094 | bfd_boolean ret; |
8c675694 | 1095 | const char * gnu_warning_prefix = _("warning: "); |
252b5132 RH |
1096 | |
1097 | if (is->just_syms_flag) | |
1098 | continue; | |
1099 | ||
1100 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1101 | if (s == NULL) | |
1102 | continue; | |
1103 | ||
eea6121a | 1104 | sz = s->size; |
8c675694 NC |
1105 | prefix_len = strlen (gnu_warning_prefix); |
1106 | msg = xmalloc ((size_t) (prefix_len + sz + 1)); | |
1107 | strcpy (msg, gnu_warning_prefix); | |
1108 | if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len, | |
1109 | (file_ptr) 0, sz)) | |
252b5132 RH |
1110 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1111 | is->the_bfd); | |
8c675694 | 1112 | msg[prefix_len + sz] = '\0'; |
252b5132 RH |
1113 | ret = link_info.callbacks->warning (&link_info, msg, |
1114 | (const char *) NULL, | |
1115 | is->the_bfd, (asection *) NULL, | |
1116 | (bfd_vma) 0); | |
1117 | ASSERT (ret); | |
1118 | free (msg); | |
1119 | ||
1120 | /* Clobber the section size, so that we don't waste copying the | |
1121 | warning into the output file. */ | |
eea6121a | 1122 | s->size = 0; |
11d2f718 AM |
1123 | |
1124 | /* Also set SEC_EXCLUDE, so that symbols defined in the warning | |
1125 | section don't get copied to the output. */ | |
1126 | s->flags |= SEC_EXCLUDE; | |
252b5132 RH |
1127 | } |
1128 | } | |
8423293d AM |
1129 | |
1130 | if (!link_info.relocatable) | |
1131 | strip_excluded_output_sections (); | |
1132 | ||
1133 | if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info)) | |
1134 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
252b5132 RH |
1135 | } |
1136 | ||
41392f03 AM |
1137 | EOF |
1138 | fi | |
1139 | ||
1140 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
1141 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1142 | |
04925e1e AM |
1143 | /* Try to open a dynamic archive. This is where we know that ELF |
1144 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1145 | like hpux). */ | |
1146 | ||
b34976b6 | 1147 | static bfd_boolean |
0c7a8e5a AM |
1148 | gld${EMULATION_NAME}_open_dynamic_archive |
1149 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1150 | { |
04925e1e AM |
1151 | const char *filename; |
1152 | char *string; | |
252b5132 | 1153 | |
04925e1e | 1154 | if (! entry->is_archive) |
b34976b6 | 1155 | return FALSE; |
252b5132 | 1156 | |
04925e1e | 1157 | filename = entry->filename; |
252b5132 | 1158 | |
04925e1e AM |
1159 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1160 | is defined, but it does not seem worth the headache to optimize | |
1161 | away those two bytes of space. */ | |
1162 | string = (char *) xmalloc (strlen (search->name) | |
1163 | + strlen (filename) | |
1164 | + strlen (arch) | |
1165 | #ifdef EXTRA_SHLIB_EXTENSION | |
1166 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1167 | #endif | |
1168 | + sizeof "/lib.so"); | |
1169 | ||
1170 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1171 | ||
1172 | #ifdef EXTRA_SHLIB_EXTENSION | |
1173 | /* Try the .so extension first. If that fails build a new filename | |
1174 | using EXTRA_SHLIB_EXTENSION. */ | |
1175 | if (! ldfile_try_open_bfd (string, entry)) | |
1176 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1177 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
1178 | #endif | |
1179 | ||
1180 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1181 | { |
04925e1e | 1182 | free (string); |
b34976b6 | 1183 | return FALSE; |
04925e1e | 1184 | } |
252b5132 | 1185 | |
04925e1e | 1186 | entry->filename = string; |
252b5132 | 1187 | |
04925e1e AM |
1188 | /* We have found a dynamic object to include in the link. The ELF |
1189 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1190 | section naming this file. If this file includes a DT_SONAME | |
1191 | entry, it will be used. Otherwise, the ELF linker will just use | |
1192 | the name of the file. For an archive found by searching, like | |
1193 | this one, the DT_NEEDED entry should consist of just the name of | |
1194 | the file, without the path information used to find it. Note | |
1195 | that we only need to do this if we have a dynamic object; an | |
1196 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1197 | |
04925e1e AM |
1198 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1199 | very pretty. I haven't been able to think of anything that is | |
1200 | pretty, though. */ | |
1201 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1202 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1203 | { | |
04925e1e | 1204 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1205 | |
04925e1e | 1206 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1207 | filename we recorded earlier. */ |
04925e1e | 1208 | |
fed2999d | 1209 | filename = lbasename (entry->filename); |
1c9acd94 | 1210 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1211 | } |
1212 | ||
b34976b6 | 1213 | return TRUE; |
04925e1e AM |
1214 | } |
1215 | ||
41392f03 AM |
1216 | EOF |
1217 | fi | |
cde43e70 AM |
1218 | |
1219 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1220 | cat >>e${EMULATION_NAME}.c <<EOF |
1221 | ||
afd7a018 | 1222 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1223 | |
04925e1e | 1224 | static lang_output_section_statement_type * |
2a36a117 | 1225 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1226 | { |
04925e1e | 1227 | lang_output_section_statement_type *lookup; |
ba493122 | 1228 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1229 | lang_output_section_statement_type *last_alloc = NULL; |
ba493122 AM |
1230 | lang_output_section_statement_type *last_rel = NULL; |
1231 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1232 | int rela = sec->name[4] == 'a'; |
04925e1e | 1233 | |
afd7a018 AM |
1234 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1235 | lookup != NULL; | |
1236 | lookup = lookup->next) | |
04925e1e | 1237 | { |
0841712e JJ |
1238 | if (lookup->constraint != -1 |
1239 | && strncmp (".rel", lookup->name, 4) == 0) | |
04925e1e | 1240 | { |
24cdb50a | 1241 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1242 | |
2a36a117 AM |
1243 | /* .rel.dyn must come before all other reloc sections, to suit |
1244 | GNU ld.so. */ | |
1245 | if (isdyn) | |
1246 | break; | |
1247 | ||
1248 | /* Don't place after .rel.plt as doing so results in wrong | |
1249 | dynamic tags. */ | |
1250 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1251 | break; |
2a36a117 AM |
1252 | |
1253 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1254 | last_rel = lookup; |
2a36a117 AM |
1255 | if ((rela == lookrela || last_rel_alloc == NULL) |
1256 | && lookup->bfd_section != NULL | |
ba493122 AM |
1257 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1258 | last_rel_alloc = lookup; | |
04925e1e | 1259 | } |
2a36a117 AM |
1260 | |
1261 | last = lookup; | |
1262 | if (lookup->bfd_section != NULL | |
1263 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1264 | last_alloc = lookup; | |
252b5132 | 1265 | } |
ba493122 AM |
1266 | |
1267 | if (last_rel_alloc) | |
1268 | return last_rel_alloc; | |
1269 | ||
1270 | if (last_rel) | |
1271 | return last_rel; | |
1272 | ||
2a36a117 AM |
1273 | if (last_alloc) |
1274 | return last_alloc; | |
1275 | ||
ba493122 | 1276 | return last; |
252b5132 RH |
1277 | } |
1278 | ||
1279 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1280 | sections in the right segment. */ | |
1281 | ||
b34976b6 | 1282 | static bfd_boolean |
0c7a8e5a | 1283 | gld${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s) |
252b5132 | 1284 | { |
afd7a018 AM |
1285 | static struct orphan_save hold[] = |
1286 | { | |
1287 | { ".text", | |
1288 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1289 | 0, 0, 0, 0 }, | |
1290 | { ".rodata", | |
1291 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1292 | 0, 0, 0, 0 }, | |
1293 | { ".data", | |
1294 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1295 | 0, 0, 0, 0 }, | |
1296 | { ".bss", | |
1297 | SEC_ALLOC, | |
1298 | 0, 0, 0, 0 }, | |
1299 | { 0, | |
1300 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1301 | 0, 0, 0, 0 }, | |
1302 | { ".interp", | |
1303 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1304 | 0, 0, 0, 0 }, | |
1305 | { ".sdata", | |
1306 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
1307 | 0, 0, 0, 0 } | |
1308 | }; | |
1309 | enum orphan_save_index | |
1310 | { | |
1311 | orphan_text = 0, | |
1312 | orphan_rodata, | |
1313 | orphan_data, | |
1314 | orphan_bss, | |
1315 | orphan_rel, | |
1316 | orphan_interp, | |
1317 | orphan_sdata | |
1318 | }; | |
1319 | static int orphan_init_done = 0; | |
6a345e87 | 1320 | struct orphan_save *place; |
a854a4a7 | 1321 | const char *secname; |
afd7a018 | 1322 | lang_output_section_statement_type *after; |
252b5132 | 1323 | lang_output_section_statement_type *os; |
24cdb50a | 1324 | int isdyn = 0; |
252b5132 | 1325 | |
aea4bd9d | 1326 | secname = bfd_get_section_name (s->owner, s); |
9f61903d | 1327 | |
1049f94e | 1328 | if (! link_info.relocatable |
24cdb50a | 1329 | && link_info.combreloc |
a8927cfd | 1330 | && (s->flags & SEC_ALLOC) |
24cdb50a AM |
1331 | && strncmp (secname, ".rel", 4) == 0) |
1332 | { | |
1333 | if (secname[4] == 'a') | |
1334 | secname = ".rela.dyn"; | |
1335 | else | |
1336 | secname = ".rel.dyn"; | |
1337 | isdyn = 1; | |
1338 | } | |
aea4bd9d | 1339 | |
d0d6a25b | 1340 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s))) |
252b5132 | 1341 | { |
6d02a667 | 1342 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1343 | os = lang_output_section_find (secname); |
1344 | ||
1345 | if (os != NULL | |
0f33d40b | 1346 | && (os->bfd_section == NULL |
afd7a018 | 1347 | || os->bfd_section->flags == 0 |
0f33d40b AM |
1348 | || ((s->flags ^ os->bfd_section->flags) |
1349 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1350 | { |
0f33d40b | 1351 | /* We already have an output section statement with this |
afd7a018 AM |
1352 | name, and its bfd section, if any, has compatible flags. |
1353 | If the section already exists but does not have any flags | |
1354 | set, then it has been created by the linker, probably as a | |
1355 | result of a --section-start command line switch. */ | |
39dcfe18 | 1356 | lang_add_section (&os->children, s, os, file); |
b34976b6 | 1357 | return TRUE; |
a854a4a7 | 1358 | } |
252b5132 RH |
1359 | } |
1360 | ||
afd7a018 AM |
1361 | if (!orphan_init_done) |
1362 | { | |
1363 | struct orphan_save *ho; | |
1364 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1365 | if (ho->name != NULL) | |
1366 | { | |
1367 | ho->os = lang_output_section_find (ho->name); | |
1368 | if (ho->os != NULL && ho->os->flags == 0) | |
1369 | ho->os->flags = ho->flags; | |
1370 | } | |
1371 | orphan_init_done = 1; | |
1372 | } | |
252b5132 RH |
1373 | |
1374 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1375 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1376 | if (link_info.executable |
1049f94e | 1377 | && ! link_info.relocatable |
252b5132 | 1378 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 |
afd7a018 | 1379 | && hold[orphan_text].os != NULL) |
252b5132 | 1380 | { |
afd7a018 AM |
1381 | lang_add_section (&hold[orphan_text].os->children, s, |
1382 | hold[orphan_text].os, file); | |
b34976b6 | 1383 | return TRUE; |
252b5132 RH |
1384 | } |
1385 | ||
1386 | /* Decide which segment the section should go in based on the | |
1387 | section name and section flags. We put loadable .note sections | |
1388 | right after the .interp section, so that the PT_NOTE segment is | |
1389 | stored right after the program headers where the OS can read it | |
1390 | in the first page. */ | |
aea4bd9d | 1391 | |
71bfc0ae AM |
1392 | place = NULL; |
1393 | if ((s->flags & SEC_ALLOC) == 0) | |
1394 | ; | |
252b5132 | 1395 | else if ((s->flags & SEC_LOAD) != 0 |
afd7a018 AM |
1396 | && strncmp (secname, ".note", 5) == 0) |
1397 | place = &hold[orphan_interp]; | |
1398 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1399 | place = &hold[orphan_bss]; | |
1400 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1401 | place = &hold[orphan_sdata]; | |
1402 | else if ((s->flags & SEC_READONLY) == 0) | |
1403 | place = &hold[orphan_data]; | |
252b5132 | 1404 | else if (strncmp (secname, ".rel", 4) == 0 |
afd7a018 AM |
1405 | && (s->flags & SEC_LOAD) != 0) |
1406 | place = &hold[orphan_rel]; | |
1407 | else if ((s->flags & SEC_CODE) == 0) | |
1408 | place = &hold[orphan_rodata]; | |
1409 | else | |
1410 | place = &hold[orphan_text]; | |
71bfc0ae | 1411 | |
afd7a018 | 1412 | after = NULL; |
5ba47421 | 1413 | if (place != NULL) |
252b5132 | 1414 | { |
afd7a018 | 1415 | if (place->os == NULL) |
5ba47421 | 1416 | { |
afd7a018 AM |
1417 | if (place->name != NULL) |
1418 | place->os = lang_output_section_find (place->name); | |
1419 | else | |
1420 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1421 | } |
afd7a018 AM |
1422 | after = place->os; |
1423 | if (after == NULL) | |
1424 | after = lang_output_section_find_by_flags (s, &place->os); | |
1425 | if (after == NULL) | |
1426 | /* *ABS* is always the first output section statement. */ | |
1427 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1428 | } |
1429 | ||
afd7a018 AM |
1430 | /* Choose a unique name for the section. This will be needed if the |
1431 | same section name appears in the input file with different | |
1432 | loadable or allocatable characteristics. */ | |
1433 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) | |
252b5132 | 1434 | { |
afd7a018 AM |
1435 | static int count = 1; |
1436 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); | |
1437 | if (secname == NULL) | |
1438 | einfo ("%F%P: place_orphan failed: %E\n"); | |
71bfc0ae | 1439 | } |
5ba47421 | 1440 | |
afd7a018 | 1441 | lang_insert_orphan (file, s, secname, after, place, NULL, NULL); |
252b5132 | 1442 | |
b34976b6 | 1443 | return TRUE; |
252b5132 | 1444 | } |
c56feb2b AM |
1445 | EOF |
1446 | fi | |
1447 | ||
1448 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1449 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1450 | |
81e1b023 L |
1451 | static void |
1452 | gld${EMULATION_NAME}_provide_bound_symbols (const char *sec, | |
1453 | const char *start, | |
1454 | const char *end) | |
1455 | { | |
1456 | asection *s; | |
1457 | bfd_vma start_val, end_val; | |
1458 | ||
1459 | s = bfd_get_section_by_name (output_bfd, sec); | |
1460 | if (s != NULL) | |
1461 | { | |
1462 | start_val = s->vma; | |
1463 | end_val = start_val + s->size; | |
1464 | } | |
1465 | else | |
1466 | { | |
4a2afbc1 L |
1467 | /* We have to choose those values very carefully. Some targets, |
1468 | like alpha, may have relocation overflow with 0. We use the | |
1469 | first SEC_ALLOC section which isn't SEC_READONLY or the last | |
1470 | SEC_ALLOC section. */ | |
81e1b023 | 1471 | start_val = 0; |
4a2afbc1 L |
1472 | for (s = output_bfd->sections; s != NULL; s = s->next) |
1473 | { | |
1474 | if ((s->flags & SEC_ALLOC) != 0) | |
1475 | { | |
1476 | start_val = s->vma; | |
1477 | if ((s->flags & SEC_READONLY) == 0) | |
1478 | break; | |
1479 | } | |
1480 | } | |
1481 | end_val = start_val; | |
81e1b023 L |
1482 | } |
1483 | _bfd_elf_provide_symbol (&link_info, start, start_val); | |
1484 | _bfd_elf_provide_symbol (&link_info, end, end_val); | |
1485 | } | |
1486 | ||
deb04cdb AM |
1487 | /* If not building a shared library, provide |
1488 | ||
1489 | __preinit_array_start | |
1490 | __preinit_array_end | |
1491 | __init_array_start | |
1492 | __init_array_end | |
1493 | __fini_array_start | |
1494 | __fini_array_end | |
1495 | ||
1496 | They are set here rather than via PROVIDE in the linker | |
1497 | script, because using PROVIDE inside an output section | |
1498 | statement results in unnecessary output sections. Using | |
1499 | PROVIDE outside an output section statement runs the risk of | |
1500 | section alignment affecting where the section starts. */ | |
1501 | ||
73d074b4 | 1502 | static void |
deb04cdb | 1503 | gld${EMULATION_NAME}_provide_init_fini_syms (void) |
73d074b4 | 1504 | { |
deb04cdb | 1505 | if (!link_info.relocatable && !link_info.shared) |
73d074b4 | 1506 | { |
deb04cdb AM |
1507 | gld${EMULATION_NAME}_provide_bound_symbols (".preinit_array", |
1508 | "__preinit_array_start", | |
1509 | "__preinit_array_end"); | |
1510 | gld${EMULATION_NAME}_provide_bound_symbols (".init_array", | |
1511 | "__init_array_start", | |
1512 | "__init_array_end"); | |
1513 | gld${EMULATION_NAME}_provide_bound_symbols (".fini_array", | |
1514 | "__fini_array_start", | |
1515 | "__fini_array_end"); | |
1516 | } | |
1517 | } | |
e3dc8847 | 1518 | |
deb04cdb AM |
1519 | static void |
1520 | gld${EMULATION_NAME}_layout_sections_again (void) | |
1521 | { | |
1522 | lang_reset_memory_regions (); | |
73d074b4 | 1523 | |
deb04cdb AM |
1524 | /* Resize the sections. */ |
1525 | lang_size_sections (stat_ptr->head, abs_output_section, | |
1526 | &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE); | |
73d074b4 | 1527 | |
deb04cdb AM |
1528 | /* Redo special stuff. */ |
1529 | ldemul_after_allocation (); | |
57316bff | 1530 | |
deb04cdb AM |
1531 | /* Do the assignments again. */ |
1532 | lang_do_assignments (stat_ptr->head, abs_output_section, | |
1533 | (fill_type *) 0, (bfd_vma) 0); | |
1534 | } | |
1535 | ||
1536 | static void | |
1537 | gld${EMULATION_NAME}_strip_empty_sections (void) | |
1538 | { | |
57316bff L |
1539 | if (!link_info.relocatable) |
1540 | { | |
1541 | lang_output_section_statement_type *os; | |
1542 | ||
1543 | for (os = &lang_output_section_statement.head->output_section_statement; | |
1544 | os != NULL; | |
1545 | os = os->next) | |
1546 | { | |
1547 | asection *s; | |
1548 | ||
1549 | if (os == abs_output_section || os->constraint == -1) | |
1550 | continue; | |
1551 | s = os->bfd_section; | |
5daa8fe7 L |
1552 | if (s != NULL |
1553 | && s->size == 0 | |
1554 | && (s->flags & SEC_KEEP) == 0 | |
1555 | && !bfd_section_removed_from_list (output_bfd, s)) | |
57316bff | 1556 | { |
5daa8fe7 L |
1557 | bfd_section_list_remove (output_bfd, s); |
1558 | output_bfd->section_count--; | |
57316bff L |
1559 | } |
1560 | } | |
deb04cdb AM |
1561 | } |
1562 | } | |
81e1b023 | 1563 | |
deb04cdb AM |
1564 | static void |
1565 | gld${EMULATION_NAME}_finish (void) | |
1566 | { | |
1567 | if (bfd_elf_discard_info (output_bfd, &link_info)) | |
1568 | gld${EMULATION_NAME}_layout_sections_again (); | |
81e1b023 | 1569 | |
deb04cdb AM |
1570 | gld${EMULATION_NAME}_strip_empty_sections (); |
1571 | gld${EMULATION_NAME}_provide_init_fini_syms (); | |
73d074b4 | 1572 | } |
41392f03 AM |
1573 | EOF |
1574 | fi | |
1575 | ||
1576 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1577 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1578 | |
1579 | static char * | |
0c7a8e5a | 1580 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1581 | EOF |
1582 | ||
1583 | if test -n "$COMPILE_IN" | |
1584 | then | |
1585 | # Scripts compiled in. | |
1586 | ||
1587 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1588 | sc="-f stringify.sed" |
252b5132 RH |
1589 | |
1590 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1591 | { |
252b5132 RH |
1592 | *isfile = 0; |
1593 | ||
1049f94e | 1594 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1595 | return |
252b5132 | 1596 | EOF |
afd7a018 AM |
1597 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1598 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1599 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1600 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1601 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1602 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1603 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1604 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1605 | fi |
36af4a4e JJ |
1606 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1607 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1608 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1609 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1610 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1611 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1612 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1613 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 1614 | fi |
afd7a018 AM |
1615 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
1616 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 1617 | fi |
252b5132 | 1618 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1619 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1620 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
1621 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1622 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1623 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 1624 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1625 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1626 | fi |
afd7a018 AM |
1627 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1628 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1629 | fi |
82434356 | 1630 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1631 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
1632 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 AM |
1633 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
1634 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
1635 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1636 | fi |
afd7a018 AM |
1637 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1638 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1639 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1640 | |
1641 | else | |
1642 | # Scripts read from the filesystem. | |
1643 | ||
1644 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1645 | { |
252b5132 RH |
1646 | *isfile = 1; |
1647 | ||
1049f94e | 1648 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1649 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1650 | else if (link_info.relocatable) |
252b5132 RH |
1651 | return "ldscripts/${EMULATION_NAME}.xr"; |
1652 | else if (!config.text_read_only) | |
1653 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
1654 | EOF |
1655 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
1656 | else | |
1657 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1658 | else if (!config.magic_demand_paged) |
1659 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
1660 | EOF |
1661 | fi | |
36af4a4e JJ |
1662 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1663 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1664 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1665 | else if (link_info.pie && link_info.combreloc |
1666 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1667 | return "ldscripts/${EMULATION_NAME}.xdw"; | |
36af4a4e JJ |
1668 | else if (link_info.pie && link_info.combreloc) |
1669 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
1670 | EOF | |
1671 | fi | |
1672 | cat >>e${EMULATION_NAME}.c <<EOF | |
1673 | else if (link_info.pie) | |
1674 | return "ldscripts/${EMULATION_NAME}.xd"; | |
1675 | EOF | |
1676 | fi | |
a060b769 AM |
1677 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
1678 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1679 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1680 | else if (link_info.shared && link_info.combreloc |
1681 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1682 | return "ldscripts/${EMULATION_NAME}.xsw"; | |
a060b769 AM |
1683 | else if (link_info.shared && link_info.combreloc) |
1684 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
1685 | EOF | |
1686 | fi | |
1687 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1688 | else if (link_info.shared) |
1689 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
1690 | EOF |
1691 | fi | |
1692 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1693 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1694 | else if (link_info.combreloc && link_info.relro |
1695 | && (link_info.flags & DT_BIND_NOW)) | |
1696 | return "ldscripts/${EMULATION_NAME}.xw"; | |
a060b769 AM |
1697 | else if (link_info.combreloc) |
1698 | return "ldscripts/${EMULATION_NAME}.xc"; | |
1699 | EOF | |
1700 | fi | |
1701 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1702 | else |
1703 | return "ldscripts/${EMULATION_NAME}.x"; | |
1704 | } | |
252b5132 | 1705 | |
3b108066 | 1706 | EOF |
41392f03 AM |
1707 | fi |
1708 | fi | |
3b108066 | 1709 | |
41392f03 | 1710 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1711 | |
e0ee487b L |
1712 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1713 | cat >>e${EMULATION_NAME}.c <<EOF | |
1714 | $PARSE_AND_LIST_PROLOGUE | |
1715 | EOF | |
1716 | fi | |
1717 | ||
e0ee487b L |
1718 | cat >>e${EMULATION_NAME}.c <<EOF |
1719 | ||
6c1439be L |
1720 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1721 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1722 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1723 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae DJ |
1724 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
1725 | ||
3bcf5557 | 1726 | static void |
0c7a8e5a AM |
1727 | gld${EMULATION_NAME}_add_options |
1728 | (int ns, char **shortopts, int nl, struct option **longopts, | |
1729 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 1730 | { |
3bcf5557 AM |
1731 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; |
1732 | static const struct option xtra_long[] = { | |
e0ee487b | 1733 | EOF |
e0ee487b L |
1734 | |
1735 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1736 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 AM |
1737 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1738 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
1739 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 1740 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
3bcf5557 | 1741 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
e0ee487b L |
1742 | EOF |
1743 | fi | |
1744 | ||
1745 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1746 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 | 1747 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
1748 | EOF |
1749 | fi | |
1750 | ||
e0ee487b | 1751 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1752 | {NULL, no_argument, NULL, 0} |
1753 | }; | |
1754 | ||
1755 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
1756 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
1757 | *longopts = (struct option *) | |
1758 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
1759 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
1760 | } | |
04925e1e | 1761 | |
3bcf5557 | 1762 | static bfd_boolean |
0c7a8e5a | 1763 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 1764 | { |
e0ee487b L |
1765 | switch (optc) |
1766 | { | |
1767 | default: | |
3bcf5557 | 1768 | return FALSE; |
6c1439be | 1769 | |
e0ee487b | 1770 | EOF |
e0ee487b L |
1771 | |
1772 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1773 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1774 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1775 | link_info.new_dtags = FALSE; |
6c1439be L |
1776 | break; |
1777 | ||
1778 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1779 | link_info.new_dtags = TRUE; |
6c1439be L |
1780 | break; |
1781 | ||
65765700 | 1782 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1783 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1784 | break; |
1785 | ||
a1ab1d2a UD |
1786 | case OPTION_GROUP: |
1787 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1788 | /* Groups must be self-contained. */ | |
560e09e9 NC |
1789 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
1790 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
1791 | break; |
1792 | ||
b58f81ae DJ |
1793 | case OPTION_EXCLUDE_LIBS: |
1794 | add_excluded_libs (optarg); | |
1795 | break; | |
1796 | ||
e0ee487b L |
1797 | case 'z': |
1798 | if (strcmp (optarg, "initfirst") == 0) | |
1799 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1800 | else if (strcmp (optarg, "interpose") == 0) | |
1801 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1802 | else if (strcmp (optarg, "loadfltr") == 0) | |
1803 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1804 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1805 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1806 | else if (strcmp (optarg, "nodelete") == 0) | |
1807 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1808 | else if (strcmp (optarg, "nodlopen") == 0) | |
1809 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1810 | else if (strcmp (optarg, "nodump") == 0) | |
1811 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1812 | else if (strcmp (optarg, "now") == 0) | |
1813 | { | |
1814 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1815 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1816 | } | |
1817 | else if (strcmp (optarg, "origin") == 0) | |
1818 | { | |
1819 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1820 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1821 | } | |
a1ab1d2a | 1822 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 1823 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 1824 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1825 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1826 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1827 | link_info.combreloc = TRUE; |
db6751f2 | 1828 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1829 | link_info.combreloc = FALSE; |
8bd621d8 | 1830 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 1831 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
1832 | else if (strcmp (optarg, "execstack") == 0) |
1833 | { | |
1834 | link_info.execstack = TRUE; | |
1835 | link_info.noexecstack = FALSE; | |
1836 | } | |
1837 | else if (strcmp (optarg, "noexecstack") == 0) | |
1838 | { | |
1839 | link_info.noexecstack = TRUE; | |
1840 | link_info.execstack = FALSE; | |
1841 | } | |
8c37241b JJ |
1842 | else if (strcmp (optarg, "relro") == 0) |
1843 | link_info.relro = TRUE; | |
1844 | else if (strcmp (optarg, "norelro") == 0) | |
1845 | link_info.relro = FALSE; | |
e0ee487b | 1846 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1847 | break; |
e0ee487b L |
1848 | EOF |
1849 | fi | |
1850 | ||
1851 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1852 | cat >>e${EMULATION_NAME}.c <<EOF | |
1853 | $PARSE_AND_LIST_ARGS_CASES | |
1854 | EOF | |
1855 | fi | |
1856 | ||
e0ee487b L |
1857 | cat >>e${EMULATION_NAME}.c <<EOF |
1858 | } | |
1859 | ||
3bcf5557 | 1860 | return TRUE; |
e0ee487b L |
1861 | } |
1862 | ||
41392f03 | 1863 | EOF |
41392f03 | 1864 | |
4b209b22 | 1865 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1866 | cat >>e${EMULATION_NAME}.c <<EOF |
1867 | ||
e0ee487b | 1868 | static void |
0c7a8e5a | 1869 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b L |
1870 | { |
1871 | EOF | |
e0ee487b L |
1872 | |
1873 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1874 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1875 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1876 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1877 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1878 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1879 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
560e09e9 | 1880 | fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n")); |
9ee5e499 | 1881 | fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n")); |
f813923c HPN |
1882 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1883 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1884 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1885 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1886 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1887 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1888 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1889 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1890 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1891 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
10b4329d | 1892 | fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n")); |
8c37241b | 1893 | fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n")); |
e0ee487b | 1894 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1895 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
8c37241b | 1896 | fprintf (file, _(" -z relro\t\tCreate RELRO program header\n")); |
19e3be22 | 1897 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1898 | EOF |
1899 | fi | |
1900 | ||
1901 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1902 | cat >>e${EMULATION_NAME}.c <<EOF | |
1903 | $PARSE_AND_LIST_OPTIONS | |
1904 | EOF | |
1905 | fi | |
1906 | ||
e0ee487b L |
1907 | cat >>e${EMULATION_NAME}.c <<EOF |
1908 | } | |
1909 | EOF | |
e0ee487b L |
1910 | |
1911 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1912 | cat >>e${EMULATION_NAME}.c <<EOF | |
1913 | $PARSE_AND_LIST_EPILOGUE | |
1914 | EOF | |
1915 | fi | |
41392f03 AM |
1916 | fi |
1917 | else | |
41392f03 | 1918 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1919 | #define gld${EMULATION_NAME}_add_options NULL |
1920 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 1921 | EOF |
4b209b22 | 1922 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1923 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1924 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1925 | EOF |
1926 | fi | |
1927 | fi | |
e0ee487b | 1928 | |
252b5132 RH |
1929 | cat >>e${EMULATION_NAME}.c <<EOF |
1930 | ||
60bcf0fa | 1931 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1932 | { |
41392f03 AM |
1933 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1934 | ${LDEMUL_SYSLIB-syslib_default}, | |
1935 | ${LDEMUL_HLL-hll_default}, | |
1936 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1937 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1938 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1939 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1940 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1941 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1942 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1943 | "${EMULATION_NAME}", |
1944 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1945 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1946 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1947 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1948 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1949 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
1950 | ${LDEMUL_PARSE_ARGS-NULL}, |
1951 | gld${EMULATION_NAME}_add_options, | |
1952 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 1953 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1954 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 1955 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 1956 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 1957 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1958 | }; |
1959 | EOF |