Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | # This file is now misnamed, because it supports both 32 bit and 64 bit | |
4 | # ELF emulations. | |
5 | test -z "${ELFSIZE}" && ELFSIZE=32 | |
86af25fe L |
6 | if [ -z "$MACHINE" ]; then |
7 | OUTPUT_ARCH=${ARCH} | |
8 | else | |
9 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
10 | fi | |
252b5132 RH |
11 | cat >e${EMULATION_NAME}.c <<EOF |
12 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
13 | ||
14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
3db64b00 | 16 | 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
f96b4a7b NC |
20 | This file is part of the GNU Binutils. |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 3 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
35 | MA 02110-1301, USA. */ | |
252b5132 RH |
36 | |
37 | #define TARGET_IS_${EMULATION_NAME} | |
38 | ||
252b5132 | 39 | #include "sysdep.h" |
3db64b00 | 40 | #include "bfd.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); |
8ded5a0f | 63 | static void gld${EMULATION_NAME}_finish (void); |
252b5132 | 64 | |
41392f03 AM |
65 | EOF |
66 | ||
d3989512 JJ |
67 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
68 | case ${target} in | |
711c0baa | 69 | *-*-linux-* | *-*-k*bsd*-*) |
d3989512 | 70 | cat >>e${EMULATION_NAME}.c <<EOF |
0b48acfe | 71 | #ifdef HAVE_GLOB |
d3989512 | 72 | #include <glob.h> |
0b48acfe | 73 | #endif |
d3989512 JJ |
74 | EOF |
75 | ;; | |
76 | esac | |
77 | fi | |
78 | ||
41392f03 AM |
79 | # Import any needed special functions and/or overrides. |
80 | # | |
8ded5a0f | 81 | . ${srcdir}/emultempl/elf-generic.em |
41392f03 AM |
82 | if test -n "$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${EMULATION_NAME}.c <<EOF |
252b5132 RH |
145 | |
146 | /* These variables are required to pass information back and forth | |
147 | between after_open and check_needed and stat_needed and vercheck. */ | |
148 | ||
149 | static struct bfd_link_needed_list *global_needed; | |
150 | static struct stat global_stat; | |
e13629bc | 151 | static lang_input_statement_type *global_found; |
252b5132 | 152 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 153 | static bfd_boolean global_vercheck_failed; |
252b5132 | 154 | |
252b5132 | 155 | |
04925e1e AM |
156 | /* On Linux, it's possible to have different versions of the same |
157 | shared library linked against different versions of libc. The | |
158 | dynamic linker somehow tags which libc version to use in | |
159 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
160 | executable, chooses which version of the shared library to use. | |
252b5132 | 161 | |
04925e1e AM |
162 | We try to do a similar check here by checking whether this shared |
163 | library needs any other shared libraries which may conflict with | |
164 | libraries we have already included in the link. If it does, we | |
165 | skip it, and try to find another shared library farther on down the | |
166 | link path. | |
252b5132 | 167 | |
04925e1e AM |
168 | This is called via lang_for_each_input_file. |
169 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 170 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 171 | a conflicting version. */ |
252b5132 | 172 | |
04925e1e | 173 | static void |
0c7a8e5a | 174 | gld${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 | |
e13629bc | 232 | if (global_found != NULL) |
04925e1e AM |
233 | return; |
234 | if (s->the_bfd == NULL) | |
235 | return; | |
e13629bc AM |
236 | |
237 | /* If this input file was an as-needed entry, and wasn't found to be | |
238 | needed at the stage it was linked, then don't say we have loaded it. */ | |
239 | if ((bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 | 240 | return; |
04925e1e AM |
241 | |
242 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 243 | { |
04925e1e AM |
244 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
245 | return; | |
246 | } | |
252b5132 | 247 | |
9eabd475 ZW |
248 | /* Some operating systems, e.g. Windows, do not provide a meaningful |
249 | st_ino; they always set it to zero. (Windows does provide a | |
250 | meaningful st_dev.) Do not indicate a duplicate library in that | |
251 | case. While there is no guarantee that a system that provides | |
252 | meaningful inode numbers will never set st_ino to zero, this is | |
253 | merely an optimization, so we do not need to worry about false | |
254 | negatives. */ | |
04925e1e | 255 | if (st.st_dev == global_stat.st_dev |
9eabd475 ZW |
256 | && st.st_ino == global_stat.st_ino |
257 | && st.st_ino != 0) | |
04925e1e | 258 | { |
e13629bc | 259 | global_found = s; |
04925e1e AM |
260 | return; |
261 | } | |
252b5132 | 262 | |
04925e1e AM |
263 | /* We issue a warning if it looks like we are including two |
264 | different versions of the same shared library. For example, | |
265 | there may be a problem if -lc picks up libc.so.6 but some other | |
266 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 267 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
268 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
269 | If we really want to issue warnings about mixing version numbers | |
270 | of shared libraries, we need to find a better way. */ | |
252b5132 | 271 | |
04925e1e AM |
272 | if (strchr (global_needed->name, '/') != NULL) |
273 | return; | |
274 | suffix = strstr (global_needed->name, ".so."); | |
275 | if (suffix == NULL) | |
276 | return; | |
277 | suffix += sizeof ".so." - 1; | |
252b5132 | 278 | |
04925e1e AM |
279 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
280 | if (soname == NULL) | |
fed2999d | 281 | soname = lbasename (s->filename); |
252b5132 | 282 | |
cde43e70 | 283 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 284 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 285 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
286 | } |
287 | ||
e56f61be L |
288 | struct dt_needed |
289 | { | |
290 | bfd *by; | |
291 | const char *name; | |
292 | }; | |
04925e1e | 293 | |
252b5132 RH |
294 | /* This function is called for each possible name for a dynamic object |
295 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
296 | to skip the check for a conflicting version. */ | |
297 | ||
b34976b6 | 298 | static bfd_boolean |
e56f61be L |
299 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
300 | int force) | |
252b5132 RH |
301 | { |
302 | bfd *abfd; | |
e56f61be | 303 | const char *name = needed->name; |
ec4eb78a | 304 | const char *soname; |
e56f61be | 305 | int class; |
252b5132 RH |
306 | |
307 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
308 | if (abfd == NULL) | |
b34976b6 | 309 | return FALSE; |
252b5132 RH |
310 | if (! bfd_check_format (abfd, bfd_object)) |
311 | { | |
cde43e70 | 312 | bfd_close (abfd); |
b34976b6 | 313 | return FALSE; |
252b5132 RH |
314 | } |
315 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
316 | { | |
cde43e70 | 317 | bfd_close (abfd); |
b34976b6 | 318 | return FALSE; |
252b5132 RH |
319 | } |
320 | ||
c4bb8067 L |
321 | /* For DT_NEEDED, they have to match. */ |
322 | if (abfd->xvec != output_bfd->xvec) | |
323 | { | |
324 | bfd_close (abfd); | |
b34976b6 | 325 | return FALSE; |
c4bb8067 L |
326 | } |
327 | ||
252b5132 RH |
328 | /* Check whether this object would include any conflicting library |
329 | versions. If FORCE is set, then we skip this check; we use this | |
330 | the second time around, if we couldn't find any compatible | |
331 | instance of the shared library. */ | |
332 | ||
333 | if (! force) | |
334 | { | |
335 | struct bfd_link_needed_list *needed; | |
336 | ||
337 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
338 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
339 | ||
340 | if (needed != NULL) | |
341 | { | |
342 | global_vercheck_needed = needed; | |
b34976b6 | 343 | global_vercheck_failed = FALSE; |
252b5132 RH |
344 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
345 | if (global_vercheck_failed) | |
346 | { | |
cde43e70 | 347 | bfd_close (abfd); |
b34976b6 | 348 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 349 | another file on the search path. */ |
b34976b6 | 350 | return FALSE; |
252b5132 RH |
351 | } |
352 | ||
353 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
354 | library does not use libc at all, we are supposed to skip |
355 | it the first time around in case we encounter a shared | |
356 | library later on with the same name which does use the | |
357 | version of libc that we want. This is much too horrible | |
358 | to use on any system other than Linux. */ | |
252b5132 RH |
359 | |
360 | EOF | |
361 | case ${target} in | |
711c0baa | 362 | *-*-linux-* | *-*-k*bsd*-*) |
252b5132 RH |
363 | cat >>e${EMULATION_NAME}.c <<EOF |
364 | { | |
365 | struct bfd_link_needed_list *l; | |
366 | ||
367 | for (l = needed; l != NULL; l = l->next) | |
0112cd26 | 368 | if (CONST_STRNEQ (l->name, "libc.so")) |
252b5132 RH |
369 | break; |
370 | if (l == NULL) | |
371 | { | |
cde43e70 | 372 | bfd_close (abfd); |
b34976b6 | 373 | return FALSE; |
252b5132 RH |
374 | } |
375 | } | |
376 | ||
377 | EOF | |
378 | ;; | |
379 | esac | |
380 | cat >>e${EMULATION_NAME}.c <<EOF | |
381 | } | |
382 | } | |
383 | ||
384 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
385 | ||
04925e1e AM |
386 | /* We have already checked that there is no other input file of the |
387 | same name. We must now check again that we are not including the | |
388 | same file twice. We need to do this because on many systems | |
389 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
390 | reference libc.so.1. If we have already included libc.so, we | |
391 | don't want to include libc.so.1 if they are the same file, and we | |
392 | can only check that using stat. */ | |
393 | ||
394 | if (bfd_stat (abfd, &global_stat) != 0) | |
395 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
396 | |
397 | /* First strip off everything before the last '/'. */ | |
fed2999d | 398 | soname = lbasename (abfd->filename); |
ec4eb78a L |
399 | |
400 | if (trace_file_tries) | |
401 | info_msg (_("found %s at %s\n"), soname, name); | |
402 | ||
e13629bc | 403 | global_found = NULL; |
04925e1e | 404 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
e13629bc | 405 | if (global_found != NULL) |
04925e1e | 406 | { |
b34976b6 | 407 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 408 | we aren't going to do anything with it. */ |
b34976b6 | 409 | return TRUE; |
04925e1e AM |
410 | } |
411 | ||
4a43e768 AM |
412 | /* Specify the soname to use. */ |
413 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 414 | |
4a43e768 AM |
415 | /* Tell the ELF linker that we don't want the output file to have a |
416 | DT_NEEDED entry for this file, unless it is used to resolve | |
417 | references in a regular object. */ | |
e56f61be L |
418 | class = DYN_DT_NEEDED; |
419 | ||
420 | /* Tell the ELF linker that we don't want the output file to have a | |
421 | DT_NEEDED entry for this file at all if the entry is from a file | |
422 | with DYN_NO_ADD_NEEDED. */ | |
7e9f0867 AM |
423 | if (needed->by != NULL |
424 | && (bfd_elf_get_dyn_lib_class (needed->by) & DYN_NO_ADD_NEEDED) != 0) | |
e56f61be L |
425 | class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; |
426 | ||
427 | bfd_elf_set_dyn_lib_class (abfd, class); | |
04925e1e AM |
428 | |
429 | /* Add this file into the symbol table. */ | |
430 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
431 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
432 | ||
b34976b6 | 433 | return TRUE; |
04925e1e AM |
434 | } |
435 | ||
436 | ||
437 | /* Search for a needed file in a path. */ | |
438 | ||
b34976b6 | 439 | static bfd_boolean |
e56f61be L |
440 | gld${EMULATION_NAME}_search_needed (const char *path, |
441 | struct dt_needed *n, int force) | |
04925e1e AM |
442 | { |
443 | const char *s; | |
e56f61be | 444 | const char *name = n->name; |
04925e1e | 445 | size_t len; |
e56f61be | 446 | struct dt_needed needed; |
04925e1e | 447 | |
cc5ce052 | 448 | if (name[0] == '/') |
e56f61be | 449 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 450 | |
04925e1e | 451 | if (path == NULL || *path == '\0') |
b34976b6 | 452 | return FALSE; |
e56f61be L |
453 | |
454 | needed.by = n->by; | |
455 | needed.name = n->name; | |
456 | ||
04925e1e AM |
457 | len = strlen (name); |
458 | while (1) | |
459 | { | |
460 | char *filename, *sset; | |
461 | ||
c76308d2 | 462 | s = strchr (path, config.rpath_separator); |
04925e1e AM |
463 | if (s == NULL) |
464 | s = path + strlen (path); | |
465 | ||
466 | filename = (char *) xmalloc (s - path + len + 2); | |
467 | if (s == path) | |
468 | sset = filename; | |
469 | else | |
470 | { | |
471 | memcpy (filename, path, s - path); | |
472 | filename[s - path] = '/'; | |
473 | sset = filename + (s - path) + 1; | |
474 | } | |
475 | strcpy (sset, name); | |
476 | ||
e56f61be L |
477 | needed.name = filename; |
478 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 479 | return TRUE; |
04925e1e AM |
480 | |
481 | free (filename); | |
482 | ||
483 | if (*s == '\0') | |
484 | break; | |
485 | path = s + 1; | |
486 | } | |
487 | ||
b34976b6 | 488 | return FALSE; |
04925e1e AM |
489 | } |
490 | ||
491 | EOF | |
9c8ebd6a | 492 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 493 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a | 494 | |
c76308d2 RS |
495 | /* Add the sysroot to every entry in a path separated by |
496 | config.rpath_separator. */ | |
9c8ebd6a DJ |
497 | |
498 | static char * | |
0c7a8e5a | 499 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
500 | { |
501 | int len, colons, i; | |
502 | char *ret, *p; | |
503 | ||
504 | len = strlen (path); | |
505 | colons = 0; | |
506 | i = 0; | |
507 | while (path[i]) | |
c76308d2 | 508 | if (path[i++] == config.rpath_separator) |
9c8ebd6a DJ |
509 | colons++; |
510 | ||
511 | if (path[i]) | |
512 | colons++; | |
513 | ||
42644a89 | 514 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
515 | ret = xmalloc (len + 1); |
516 | strcpy (ret, ld_sysroot); | |
517 | p = ret + strlen (ret); | |
518 | i = 0; | |
519 | while (path[i]) | |
c76308d2 | 520 | if (path[i] == config.rpath_separator) |
9c8ebd6a | 521 | { |
0c7a8e5a | 522 | *p++ = path[i++]; |
9c8ebd6a DJ |
523 | strcpy (p, ld_sysroot); |
524 | p = p + strlen (p); | |
9c8ebd6a DJ |
525 | } |
526 | else | |
527 | *p++ = path[i++]; | |
528 | ||
529 | *p = 0; | |
530 | return ret; | |
531 | } | |
04925e1e | 532 | |
3dc16cab DJ |
533 | EOF |
534 | case ${target} in | |
ebe1fac1 NC |
535 | *-*-freebsd* | *-*-dragonfly*) |
536 | cat >>e${EMULATION_NAME}.c <<EOF | |
537 | /* Read the system search path the FreeBSD way rather than the Linux way. */ | |
538 | #ifdef HAVE_ELF_HINTS_H | |
539 | #include <elf-hints.h> | |
540 | #else | |
541 | #include "elf-hints-local.h" | |
542 | #endif | |
543 | ||
544 | static bfd_boolean | |
545 | gld${EMULATION_NAME}_check_ld_elf_hints (const char *name, int force) | |
546 | { | |
547 | static bfd_boolean initialized; | |
548 | static char *ld_elf_hints; | |
549 | struct dt_needed needed; | |
550 | ||
551 | if (!initialized) | |
552 | { | |
553 | FILE *f; | |
554 | char *tmppath; | |
555 | ||
556 | tmppath = concat (ld_sysroot, _PATH_ELF_HINTS, NULL); | |
557 | f = fopen (tmppath, FOPEN_RB); | |
558 | free (tmppath); | |
559 | if (f != NULL) | |
560 | { | |
561 | struct elfhints_hdr hdr; | |
562 | ||
563 | if (fread (&hdr, 1, sizeof (hdr), f) == sizeof (hdr) | |
564 | && hdr.magic == ELFHINTS_MAGIC | |
565 | && hdr.version == 1) | |
566 | { | |
567 | if (fseek (f, hdr.strtab + hdr.dirlist, SEEK_SET) != -1) | |
568 | { | |
569 | char *b; | |
570 | ||
571 | b = xmalloc (hdr.dirlistlen + 1); | |
572 | if (fread (b, 1, hdr.dirlistlen + 1, f) == | |
573 | hdr.dirlistlen + 1) | |
574 | ld_elf_hints = gld${EMULATION_NAME}_add_sysroot (b); | |
e13629bc | 575 | |
ebe1fac1 NC |
576 | free (b); |
577 | } | |
578 | } | |
579 | fclose (f); | |
580 | } | |
581 | ||
582 | initialized = TRUE; | |
583 | } | |
584 | ||
585 | if (ld_elf_hints == NULL) | |
586 | return FALSE; | |
587 | ||
588 | needed.by = NULL; | |
589 | needed.name = name; | |
590 | return gld${EMULATION_NAME}_search_needed (ld_elf_hints, & needed, | |
e13629bc | 591 | force); |
ebe1fac1 NC |
592 | } |
593 | EOF | |
594 | # FreeBSD | |
595 | ;; | |
596 | ||
711c0baa | 597 | *-*-linux-* | *-*-k*bsd*-*) |
3dc16cab | 598 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
599 | /* For a native linker, check the file /etc/ld.so.conf for directories |
600 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 601 | only meaningful on Linux. */ |
04925e1e | 602 | |
d3989512 | 603 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 604 | { |
d3989512 JJ |
605 | char *path; |
606 | size_t len, alloc; | |
607 | }; | |
04925e1e | 608 | |
dfcffada | 609 | static bfd_boolean |
d3989512 JJ |
610 | gld${EMULATION_NAME}_parse_ld_so_conf |
611 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
612 | ||
613 | static void | |
614 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
615 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
616 | const char *pattern) | |
617 | { | |
618 | char *newp = NULL; | |
0b48acfe | 619 | #ifdef HAVE_GLOB |
d3989512 | 620 | glob_t gl; |
0b48acfe | 621 | #endif |
d3989512 JJ |
622 | |
623 | if (pattern[0] != '/') | |
04925e1e | 624 | { |
d3989512 JJ |
625 | char *p = strrchr (filename, '/'); |
626 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 627 | |
d3989512 JJ |
628 | newp = xmalloc (p - filename + 1 + patlen); |
629 | memcpy (newp, filename, p - filename + 1); | |
630 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
631 | pattern = newp; | |
632 | } | |
04925e1e | 633 | |
0b48acfe | 634 | #ifdef HAVE_GLOB |
d3989512 JJ |
635 | if (glob (pattern, 0, NULL, &gl) == 0) |
636 | { | |
637 | size_t i; | |
638 | ||
639 | for (i = 0; i < gl.gl_pathc; ++i) | |
640 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
641 | globfree (&gl); | |
642 | } | |
0b48acfe MM |
643 | #else |
644 | /* If we do not have glob, treat the pattern as a literal filename. */ | |
645 | gld${EMULATION_NAME}_parse_ld_so_conf (info, pattern); | |
646 | #endif | |
d3989512 JJ |
647 | |
648 | if (newp) | |
649 | free (newp); | |
650 | } | |
651 | ||
dfcffada | 652 | static bfd_boolean |
d3989512 JJ |
653 | gld${EMULATION_NAME}_parse_ld_so_conf |
654 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
655 | { | |
656 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
657 | char *line; |
658 | size_t linelen; | |
d3989512 JJ |
659 | |
660 | if (f == NULL) | |
dfcffada | 661 | return FALSE; |
d3989512 | 662 | |
563f4125 JJ |
663 | linelen = 256; |
664 | line = xmalloc (linelen); | |
665 | do | |
d3989512 | 666 | { |
563f4125 JJ |
667 | char *p = line, *q; |
668 | ||
669 | /* Normally this would use getline(3), but we need to be portable. */ | |
670 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
671 | && strlen (q) == linelen - (p - line) - 1 | |
672 | && line[linelen - 2] != '\n') | |
673 | { | |
674 | line = xrealloc (line, 2 * linelen); | |
675 | p = line + linelen - 1; | |
676 | linelen += linelen; | |
677 | } | |
678 | ||
679 | if (q == NULL && p == line) | |
680 | break; | |
d3989512 JJ |
681 | |
682 | p = strchr (line, '\n'); | |
683 | if (p) | |
684 | *p = '\0'; | |
685 | ||
686 | /* Because the file format does not know any form of quoting we | |
687 | can search forward for the next '#' character and if found | |
688 | make it terminating the line. */ | |
689 | p = strchr (line, '#'); | |
690 | if (p) | |
691 | *p = '\0'; | |
692 | ||
693 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
694 | p = line; | |
695 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
696 | ++p; | |
697 | ||
698 | /* If the line is blank it is ignored. */ | |
699 | if (p[0] == '\0') | |
700 | continue; | |
04925e1e | 701 | |
0112cd26 | 702 | if (CONST_STRNEQ (p, "include") && (p[7] == ' ' || p[7] == '\t')) |
d3989512 JJ |
703 | { |
704 | char *dir, c; | |
705 | p += 8; | |
706 | do | |
04925e1e | 707 | { |
d3989512 JJ |
708 | while (*p == ' ' || *p == '\t') |
709 | ++p; | |
04925e1e | 710 | |
d3989512 JJ |
711 | if (*p == '\0') |
712 | break; | |
252b5132 | 713 | |
d3989512 JJ |
714 | dir = p; |
715 | ||
716 | while (*p != ' ' && *p != '\t' && *p) | |
717 | ++p; | |
718 | ||
719 | c = *p; | |
720 | *p++ = '\0'; | |
721 | if (dir[0] != '\0') | |
722 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
723 | dir); | |
724 | } | |
725 | while (c != '\0'); | |
726 | } | |
727 | else | |
728 | { | |
729 | char *dir = p; | |
730 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
731 | && *p != '\r' && *p != '\v') | |
732 | ++p; | |
733 | ||
734 | while (p != dir && p[-1] == '/') | |
735 | --p; | |
736 | if (info->path == NULL) | |
737 | { | |
738 | info->alloc = p - dir + 1 + 256; | |
739 | info->path = xmalloc (info->alloc); | |
740 | info->len = 0; | |
741 | } | |
04925e1e AM |
742 | else |
743 | { | |
d3989512 JJ |
744 | if (info->len + 1 + (p - dir) >= info->alloc) |
745 | { | |
746 | info->alloc += p - dir + 256; | |
747 | info->path = xrealloc (info->path, info->alloc); | |
748 | } | |
c76308d2 | 749 | info->path[info->len++] = config.rpath_separator; |
04925e1e | 750 | } |
d3989512 JJ |
751 | memcpy (info->path + info->len, dir, p - dir); |
752 | info->len += p - dir; | |
753 | info->path[info->len] = '\0'; | |
754 | } | |
755 | } | |
563f4125 | 756 | while (! feof (f)); |
d3989512 JJ |
757 | free (line); |
758 | fclose (f); | |
dfcffada | 759 | return TRUE; |
d3989512 | 760 | } |
252b5132 | 761 | |
d3989512 JJ |
762 | static bfd_boolean |
763 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
764 | { | |
765 | static bfd_boolean initialized; | |
766 | static char *ld_so_conf; | |
767 | struct dt_needed needed; | |
252b5132 | 768 | |
d3989512 JJ |
769 | if (! initialized) |
770 | { | |
771 | char *tmppath; | |
772 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 773 | |
d3989512 JJ |
774 | info.path = NULL; |
775 | info.len = info.alloc = 0; | |
dfcffada AM |
776 | tmppath = concat (ld_sysroot, "${prefix}/etc/ld.so.conf", NULL); |
777 | if (!gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath)) | |
778 | { | |
779 | free (tmppath); | |
780 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); | |
781 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); | |
782 | } | |
d3989512 | 783 | free (tmppath); |
dfcffada | 784 | |
d3989512 JJ |
785 | if (info.path) |
786 | { | |
787 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
788 | free (info.path); | |
789 | ld_so_conf = d; | |
04925e1e | 790 | } |
b34976b6 | 791 | initialized = TRUE; |
04925e1e | 792 | } |
49e56c49 | 793 | |
04925e1e | 794 | if (ld_so_conf == NULL) |
b34976b6 | 795 | return FALSE; |
252b5132 | 796 | |
e56f61be L |
797 | |
798 | needed.by = NULL; | |
799 | needed.name = name; | |
800 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
801 | } |
802 | ||
04925e1e | 803 | EOF |
9c8ebd6a DJ |
804 | # Linux |
805 | ;; | |
04925e1e AM |
806 | esac |
807 | fi | |
808 | cat >>e${EMULATION_NAME}.c <<EOF | |
809 | ||
252b5132 RH |
810 | /* See if an input file matches a DT_NEEDED entry by name. */ |
811 | ||
812 | static void | |
0c7a8e5a | 813 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 | 814 | { |
e13629bc AM |
815 | const char *soname; |
816 | ||
817 | /* Stop looking if we've found a loaded lib. */ | |
818 | if (global_found != NULL | |
819 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
820 | & DYN_AS_NEEDED) == 0) | |
252b5132 RH |
821 | return; |
822 | ||
e13629bc AM |
823 | if (s->filename == NULL || s->the_bfd == NULL) |
824 | return; | |
825 | ||
826 | /* Don't look for a second non-loaded as-needed lib. */ | |
827 | if (global_found != NULL | |
828 | && (bfd_elf_get_dyn_lib_class (s->the_bfd) & DYN_AS_NEEDED) != 0) | |
7cedef86 AM |
829 | return; |
830 | ||
e13629bc | 831 | if (strcmp (s->filename, global_needed->name) == 0) |
252b5132 | 832 | { |
e13629bc AM |
833 | global_found = s; |
834 | return; | |
835 | } | |
577a0623 | 836 | |
e13629bc AM |
837 | if (s->search_dirs_flag) |
838 | { | |
839 | const char *f = strrchr (s->filename, '/'); | |
840 | if (f != NULL | |
841 | && strcmp (f + 1, global_needed->name) == 0) | |
577a0623 | 842 | { |
e13629bc | 843 | global_found = s; |
577a0623 AM |
844 | return; |
845 | } | |
252b5132 RH |
846 | } |
847 | ||
e13629bc AM |
848 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
849 | if (soname != NULL | |
850 | && strcmp (soname, global_needed->name) == 0) | |
252b5132 | 851 | { |
e13629bc AM |
852 | global_found = s; |
853 | return; | |
252b5132 | 854 | } |
252b5132 RH |
855 | } |
856 | ||
41392f03 AM |
857 | EOF |
858 | ||
859 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
860 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
861 | |
862 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
863 | |
864 | static void | |
0c7a8e5a | 865 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 866 | { |
04925e1e | 867 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 868 | |
eb3d5f3b JB |
869 | if (link_info.eh_frame_hdr |
870 | && ! link_info.traditional_format | |
871 | && ! link_info.relocatable) | |
872 | { | |
873 | struct elf_link_hash_table *htab; | |
874 | ||
875 | htab = elf_hash_table (&link_info); | |
876 | if (is_elf_hash_table (htab)) | |
877 | { | |
878 | bfd *abfd; | |
879 | asection *s; | |
880 | ||
881 | for (abfd = link_info.input_bfds; abfd; abfd = abfd->link_next) | |
882 | { | |
883 | s = bfd_get_section_by_name (abfd, ".eh_frame"); | |
884 | if (s && s->size > 8 && !bfd_is_abs_section (s->output_section)) | |
885 | break; | |
886 | } | |
887 | if (abfd) | |
888 | { | |
889 | const struct elf_backend_data *bed; | |
890 | ||
891 | bed = get_elf_backend_data (abfd); | |
892 | s = bfd_make_section_with_flags (abfd, ".eh_frame_hdr", | |
893 | bed->dynamic_sec_flags | |
894 | | SEC_READONLY); | |
895 | if (s != NULL | |
896 | && bfd_set_section_alignment (abfd, s, 2)) | |
897 | htab->eh_info.hdr_sec = s; | |
898 | else | |
899 | einfo ("%P: warning: Cannot create .eh_frame_hdr section," | |
900 | " --eh-frame-hdr ignored.\n"); | |
901 | } | |
902 | } | |
903 | } | |
904 | ||
04925e1e | 905 | /* We only need to worry about this when doing a final link. */ |
1049f94e | 906 | if (link_info.relocatable || !link_info.executable) |
252b5132 RH |
907 | return; |
908 | ||
04925e1e AM |
909 | /* Get the list of files which appear in DT_NEEDED entries in |
910 | dynamic objects included in the link (often there will be none). | |
911 | For each such file, we want to track down the corresponding | |
912 | library, and include the symbol table in the link. This is what | |
913 | the runtime dynamic linker will do. Tracking the files down here | |
914 | permits one dynamic object to include another without requiring | |
915 | special action by the person doing the link. Note that the | |
916 | needed list can actually grow while we are stepping through this | |
917 | loop. */ | |
918 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
919 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 920 | { |
04925e1e | 921 | struct bfd_link_needed_list *ll; |
e56f61be | 922 | struct dt_needed n, nn; |
04925e1e | 923 | int force; |
252b5132 | 924 | |
7e9f0867 AM |
925 | /* If the lib that needs this one was --as-needed and wasn't |
926 | found to be needed, then this lib isn't needed either. */ | |
927 | if (l->by != NULL | |
928 | && (bfd_elf_get_dyn_lib_class (l->by) & DYN_AS_NEEDED) != 0) | |
929 | continue; | |
930 | ||
04925e1e AM |
931 | /* If we've already seen this file, skip it. */ |
932 | for (ll = needed; ll != l; ll = ll->next) | |
7e9f0867 AM |
933 | if ((ll->by == NULL |
934 | || (bfd_elf_get_dyn_lib_class (ll->by) & DYN_AS_NEEDED) == 0) | |
935 | && strcmp (ll->name, l->name) == 0) | |
04925e1e AM |
936 | break; |
937 | if (ll != l) | |
938 | continue; | |
252b5132 | 939 | |
04925e1e AM |
940 | /* See if this file was included in the link explicitly. */ |
941 | global_needed = l; | |
e13629bc | 942 | global_found = NULL; |
04925e1e | 943 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
e13629bc AM |
944 | if (global_found != NULL |
945 | && (bfd_elf_get_dyn_lib_class (global_found->the_bfd) | |
946 | & DYN_AS_NEEDED) == 0) | |
04925e1e | 947 | continue; |
252b5132 | 948 | |
e56f61be L |
949 | n.by = l->by; |
950 | n.name = l->name; | |
951 | nn.by = l->by; | |
ec4eb78a L |
952 | if (trace_file_tries) |
953 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
954 | ||
e13629bc AM |
955 | /* As-needed libs specified on the command line (or linker script) |
956 | take priority over libs found in search dirs. */ | |
957 | if (global_found != NULL) | |
958 | { | |
959 | nn.name = global_found->filename; | |
960 | if (gld${EMULATION_NAME}_try_needed (&nn, TRUE)) | |
961 | continue; | |
962 | } | |
963 | ||
04925e1e AM |
964 | /* We need to find this file and include the symbol table. We |
965 | want to search for the file in the same way that the dynamic | |
966 | linker will search. That means that we want to use | |
967 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
968 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
969 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
970 | We do not search using the -L arguments. | |
252b5132 | 971 | |
04925e1e AM |
972 | We search twice. The first time, we skip objects which may |
973 | introduce version mismatches. The second time, we force | |
974 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
975 | for (force = 0; force < 2; force++) | |
976 | { | |
04925e1e AM |
977 | size_t len; |
978 | search_dirs_type *search; | |
6dd8c765 | 979 | EOF |
ff925e69 | 980 | if [ "x${NATIVE}" = xyes ] ; then |
6dd8c765 | 981 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 982 | const char *lib_path; |
ff925e69 KK |
983 | EOF |
984 | fi | |
985 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
986 | cat >>e${EMULATION_NAME}.c <<EOF | |
6dd8c765 L |
987 | struct bfd_link_needed_list *rp; |
988 | int found; | |
989 | EOF | |
6dd8c765 L |
990 | fi |
991 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 992 | |
04925e1e | 993 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 994 | &n, force)) |
04925e1e | 995 | break; |
dcb0bd0e | 996 | EOF |
9c8ebd6a | 997 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 998 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 999 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 1000 | &n, force)) |
04925e1e | 1001 | break; |
9c8ebd6a DJ |
1002 | EOF |
1003 | fi | |
1004 | if [ "x${NATIVE}" = xyes ] ; then | |
1005 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
1006 | if (command_line.rpath_link == NULL |
1007 | && command_line.rpath == NULL) | |
1008 | { | |
1009 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 1010 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
1011 | force)) |
1012 | break; | |
1013 | } | |
04925e1e | 1014 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 1015 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 1016 | break; |
9c8ebd6a DJ |
1017 | EOF |
1018 | fi | |
1019 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
1020 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 1021 | found = 0; |
6dd8c765 L |
1022 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
1023 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 1024 | { |
9c8ebd6a | 1025 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 1026 | found = (rp->by == l->by |
9c8ebd6a | 1027 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 1028 | &n, |
ec4eb78a | 1029 | force)); |
9c8ebd6a | 1030 | free (tmpname); |
ec4eb78a L |
1031 | } |
1032 | if (found) | |
1033 | break; | |
1034 | ||
04925e1e | 1035 | EOF |
04925e1e | 1036 | fi |
c1446dba L |
1037 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
1038 | case ${target} in | |
ebe1fac1 NC |
1039 | *-*-freebsd* | *-*-dragonfly*) |
1040 | cat >>e${EMULATION_NAME}.c <<EOF | |
1041 | if (gld${EMULATION_NAME}_check_ld_elf_hints (l->name, force)) | |
1042 | break; | |
1043 | EOF | |
1044 | # FreeBSD | |
1045 | ;; | |
1046 | ||
c1446dba L |
1047 | *-*-linux-* | *-*-k*bsd*-*) |
1048 | # Linux | |
1049 | cat >>e${EMULATION_NAME}.c <<EOF | |
1050 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) | |
1051 | break; | |
1052 | ||
1053 | EOF | |
1054 | ;; | |
1055 | esac | |
1056 | fi | |
04925e1e AM |
1057 | cat >>e${EMULATION_NAME}.c <<EOF |
1058 | len = strlen (l->name); | |
1059 | for (search = search_head; search != NULL; search = search->next) | |
1060 | { | |
1061 | char *filename; | |
252b5132 | 1062 | |
04925e1e AM |
1063 | if (search->cmdline) |
1064 | continue; | |
1065 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
1066 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
1067 | nn.name = filename; |
1068 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
1069 | break; |
1070 | free (filename); | |
1071 | } | |
1072 | if (search != NULL) | |
1073 | break; | |
1074 | EOF | |
04925e1e AM |
1075 | cat >>e${EMULATION_NAME}.c <<EOF |
1076 | } | |
252b5132 | 1077 | |
04925e1e AM |
1078 | if (force < 2) |
1079 | continue; | |
252b5132 | 1080 | |
e374f1d9 | 1081 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
1082 | l->name, l->by); |
1083 | } | |
1084 | } | |
252b5132 | 1085 | |
41392f03 AM |
1086 | EOF |
1087 | fi | |
1088 | ||
1089 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1090 | |
04925e1e | 1091 | /* Look through an expression for an assignment statement. */ |
252b5132 | 1092 | |
04925e1e | 1093 | static void |
0c7a8e5a | 1094 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e | 1095 | { |
4ea42fb7 | 1096 | bfd_boolean provide = FALSE; |
04925e1e AM |
1097 | |
1098 | switch (exp->type.node_class) | |
252b5132 | 1099 | { |
04925e1e | 1100 | case etree_provide: |
4ea42fb7 AM |
1101 | provide = TRUE; |
1102 | /* Fall thru */ | |
1103 | case etree_assign: | |
04925e1e AM |
1104 | /* We call record_link_assignment even if the symbol is defined. |
1105 | This is because if it is defined by a dynamic object, we | |
1106 | actually want to use the value defined by the linker script, | |
1107 | not the value from the dynamic object (because we are setting | |
1108 | symbols like etext). If the symbol is defined by a regular | |
1109 | object, then, as it happens, calling record_link_assignment | |
1110 | will do no harm. */ | |
04925e1e | 1111 | if (strcmp (exp->assign.dst, ".") != 0) |
252b5132 | 1112 | { |
fe21a8fc L |
1113 | if (!bfd_elf_record_link_assignment (output_bfd, &link_info, |
1114 | exp->assign.dst, provide, | |
1115 | exp->assign.hidden)) | |
04925e1e AM |
1116 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
1117 | exp->assign.dst); | |
252b5132 | 1118 | } |
04925e1e AM |
1119 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
1120 | break; | |
252b5132 | 1121 | |
04925e1e AM |
1122 | case etree_binary: |
1123 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
1124 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
1125 | break; | |
252b5132 | 1126 | |
04925e1e AM |
1127 | case etree_trinary: |
1128 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
1129 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
1130 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
1131 | break; | |
252b5132 | 1132 | |
04925e1e AM |
1133 | case etree_unary: |
1134 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
1135 | break; | |
252b5132 | 1136 | |
04925e1e AM |
1137 | default: |
1138 | break; | |
252b5132 RH |
1139 | } |
1140 | } | |
1141 | ||
04925e1e AM |
1142 | |
1143 | /* This is called by the before_allocation routine via | |
1144 | lang_for_each_statement. It locates any assignment statements, and | |
1145 | tells the ELF backend about them, in case they are assignments to | |
1146 | symbols which are referred to by dynamic objects. */ | |
1147 | ||
1148 | static void | |
0c7a8e5a | 1149 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
1150 | { |
1151 | if (s->header.type == lang_assignment_statement_enum) | |
1152 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
1153 | } | |
1154 | ||
41392f03 AM |
1155 | EOF |
1156 | ||
1157 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
1158 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
1159 | ELF_INTERPRETER_SET_DEFAULT=" | |
1160 | if (sinterp != NULL) | |
1161 | { | |
5718918d AM |
1162 | sinterp->contents = (unsigned char *) ${ELF_INTERPRETER_NAME}; |
1163 | sinterp->size = strlen ((char *) sinterp->contents) + 1; | |
57e6abd2 AO |
1164 | } |
1165 | ||
1166 | " | |
1167 | else | |
1168 | ELF_INTERPRETER_SET_DEFAULT= | |
1169 | fi | |
41392f03 | 1170 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 1171 | |
252b5132 RH |
1172 | /* This is called after the sections have been attached to output |
1173 | sections, but before any sizes or addresses have been set. */ | |
1174 | ||
1175 | static void | |
0c7a8e5a | 1176 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1177 | { |
1178 | const char *rpath; | |
1179 | asection *sinterp; | |
1180 | ||
fd574c46 | 1181 | if (link_info.hash->type == bfd_link_elf_hash_table) |
e1918d23 AM |
1182 | _bfd_elf_tls_setup (output_bfd, &link_info); |
1183 | ||
252b5132 RH |
1184 | /* If we are going to make any variable assignments, we need to let |
1185 | the ELF backend know about them in case the variables are | |
1186 | referred to by dynamic objects. */ | |
1187 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1188 | ||
1189 | /* Let the ELF backend work out the sizes of any sections required | |
1190 | by dynamic linking. */ | |
1191 | rpath = command_line.rpath; | |
1192 | if (rpath == NULL) | |
1193 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
5a580b3a | 1194 | if (! (bfd_elf_size_dynamic_sections |
0c7a8e5a | 1195 | (output_bfd, command_line.soname, rpath, |
605d9b3a | 1196 | command_line.filter_shlib, |
252b5132 RH |
1197 | (const char * const *) command_line.auxiliary_filters, |
1198 | &link_info, &sinterp, lang_elf_version_info))) | |
1199 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
8423293d | 1200 | |
57e6abd2 | 1201 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1202 | /* Let the user override the dynamic linker we are using. */ |
1203 | if (command_line.interpreter != NULL | |
1204 | && sinterp != NULL) | |
1205 | { | |
1206 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1207 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1208 | } |
1209 | ||
1210 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1211 | we treat such sections as containing warning messages. We print | |
1212 | out the warning message, and then zero out the section size so | |
1213 | that it does not get copied into the output file. */ | |
1214 | ||
1215 | { | |
1216 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1217 | { | |
1218 | asection *s; | |
1219 | bfd_size_type sz; | |
1220 | char *msg; | |
b34976b6 | 1221 | bfd_boolean ret; |
252b5132 RH |
1222 | |
1223 | if (is->just_syms_flag) | |
1224 | continue; | |
1225 | ||
1226 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1227 | if (s == NULL) | |
1228 | continue; | |
1229 | ||
eea6121a | 1230 | sz = s->size; |
bc251d50 VP |
1231 | msg = xmalloc ((size_t) (sz + 1)); |
1232 | if (! bfd_get_section_contents (is->the_bfd, s, msg, | |
8c675694 | 1233 | (file_ptr) 0, sz)) |
252b5132 RH |
1234 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1235 | is->the_bfd); | |
bc251d50 | 1236 | msg[sz] = '\0'; |
252b5132 RH |
1237 | ret = link_info.callbacks->warning (&link_info, msg, |
1238 | (const char *) NULL, | |
1239 | is->the_bfd, (asection *) NULL, | |
1240 | (bfd_vma) 0); | |
1241 | ASSERT (ret); | |
1242 | free (msg); | |
1243 | ||
9e3be61d AM |
1244 | /* Clobber the section size, so that we don't waste space |
1245 | copying the warning into the output file. If we've already | |
1246 | sized the output section, adjust its size. The adjustment | |
1247 | is on rawsize because targets that size sections early will | |
1248 | have called lang_reset_memory_regions after sizing. */ | |
1249 | if (s->output_section != NULL | |
1250 | && s->output_section->rawsize >= s->size) | |
1251 | s->output_section->rawsize -= s->size; | |
1252 | ||
eea6121a | 1253 | s->size = 0; |
11d2f718 | 1254 | |
9e3be61d AM |
1255 | /* Also set SEC_EXCLUDE, so that local symbols defined in the |
1256 | warning section don't get copied to the output. */ | |
a14a5de3 | 1257 | s->flags |= SEC_EXCLUDE | SEC_KEEP; |
252b5132 RH |
1258 | } |
1259 | } | |
8423293d | 1260 | |
1e035701 | 1261 | before_allocation_default (); |
8423293d AM |
1262 | |
1263 | if (!bfd_elf_size_dynsym_hash_dynstr (output_bfd, &link_info)) | |
1264 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
252b5132 RH |
1265 | } |
1266 | ||
41392f03 AM |
1267 | EOF |
1268 | fi | |
1269 | ||
1270 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
1271 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1272 | |
04925e1e AM |
1273 | /* Try to open a dynamic archive. This is where we know that ELF |
1274 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1275 | like hpux). */ | |
1276 | ||
b34976b6 | 1277 | static bfd_boolean |
0c7a8e5a AM |
1278 | gld${EMULATION_NAME}_open_dynamic_archive |
1279 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1280 | { |
04925e1e AM |
1281 | const char *filename; |
1282 | char *string; | |
252b5132 | 1283 | |
04925e1e | 1284 | if (! entry->is_archive) |
b34976b6 | 1285 | return FALSE; |
252b5132 | 1286 | |
04925e1e | 1287 | filename = entry->filename; |
252b5132 | 1288 | |
04925e1e AM |
1289 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1290 | is defined, but it does not seem worth the headache to optimize | |
1291 | away those two bytes of space. */ | |
1292 | string = (char *) xmalloc (strlen (search->name) | |
1293 | + strlen (filename) | |
1294 | + strlen (arch) | |
1295 | #ifdef EXTRA_SHLIB_EXTENSION | |
1296 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1297 | #endif | |
1298 | + sizeof "/lib.so"); | |
1299 | ||
1300 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1301 | ||
1302 | #ifdef EXTRA_SHLIB_EXTENSION | |
1303 | /* Try the .so extension first. If that fails build a new filename | |
1304 | using EXTRA_SHLIB_EXTENSION. */ | |
1305 | if (! ldfile_try_open_bfd (string, entry)) | |
1306 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1307 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
1308 | #endif | |
1309 | ||
1310 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1311 | { |
04925e1e | 1312 | free (string); |
b34976b6 | 1313 | return FALSE; |
04925e1e | 1314 | } |
252b5132 | 1315 | |
04925e1e | 1316 | entry->filename = string; |
252b5132 | 1317 | |
04925e1e AM |
1318 | /* We have found a dynamic object to include in the link. The ELF |
1319 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1320 | section naming this file. If this file includes a DT_SONAME | |
1321 | entry, it will be used. Otherwise, the ELF linker will just use | |
1322 | the name of the file. For an archive found by searching, like | |
1323 | this one, the DT_NEEDED entry should consist of just the name of | |
1324 | the file, without the path information used to find it. Note | |
1325 | that we only need to do this if we have a dynamic object; an | |
1326 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1327 | |
04925e1e AM |
1328 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1329 | very pretty. I haven't been able to think of anything that is | |
1330 | pretty, though. */ | |
1331 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1332 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1333 | { | |
04925e1e | 1334 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1335 | |
04925e1e | 1336 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1337 | filename we recorded earlier. */ |
04925e1e | 1338 | |
fed2999d | 1339 | filename = lbasename (entry->filename); |
1c9acd94 | 1340 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1341 | } |
1342 | ||
b34976b6 | 1343 | return TRUE; |
04925e1e AM |
1344 | } |
1345 | ||
41392f03 AM |
1346 | EOF |
1347 | fi | |
cde43e70 AM |
1348 | |
1349 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1350 | cat >>e${EMULATION_NAME}.c <<EOF |
1351 | ||
afd7a018 | 1352 | /* A variant of lang_output_section_find used by place_orphan. */ |
04925e1e | 1353 | |
04925e1e | 1354 | static lang_output_section_statement_type * |
2a36a117 | 1355 | output_rel_find (asection *sec, int isdyn) |
04925e1e | 1356 | { |
04925e1e | 1357 | lang_output_section_statement_type *lookup; |
ba493122 | 1358 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1359 | lang_output_section_statement_type *last_alloc = NULL; |
ba493122 AM |
1360 | lang_output_section_statement_type *last_rel = NULL; |
1361 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1362 | int rela = sec->name[4] == 'a'; |
04925e1e | 1363 | |
afd7a018 AM |
1364 | for (lookup = &lang_output_section_statement.head->output_section_statement; |
1365 | lookup != NULL; | |
1366 | lookup = lookup->next) | |
04925e1e | 1367 | { |
0841712e | 1368 | if (lookup->constraint != -1 |
0112cd26 | 1369 | && CONST_STRNEQ (lookup->name, ".rel")) |
04925e1e | 1370 | { |
24cdb50a | 1371 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1372 | |
2a36a117 AM |
1373 | /* .rel.dyn must come before all other reloc sections, to suit |
1374 | GNU ld.so. */ | |
1375 | if (isdyn) | |
1376 | break; | |
1377 | ||
1378 | /* Don't place after .rel.plt as doing so results in wrong | |
1379 | dynamic tags. */ | |
1380 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1381 | break; |
2a36a117 AM |
1382 | |
1383 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1384 | last_rel = lookup; |
2a36a117 AM |
1385 | if ((rela == lookrela || last_rel_alloc == NULL) |
1386 | && lookup->bfd_section != NULL | |
ba493122 AM |
1387 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1388 | last_rel_alloc = lookup; | |
04925e1e | 1389 | } |
2a36a117 AM |
1390 | |
1391 | last = lookup; | |
1392 | if (lookup->bfd_section != NULL | |
1393 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1394 | last_alloc = lookup; | |
252b5132 | 1395 | } |
ba493122 AM |
1396 | |
1397 | if (last_rel_alloc) | |
1398 | return last_rel_alloc; | |
1399 | ||
1400 | if (last_rel) | |
1401 | return last_rel; | |
1402 | ||
2a36a117 AM |
1403 | if (last_alloc) |
1404 | return last_alloc; | |
1405 | ||
ba493122 | 1406 | return last; |
252b5132 RH |
1407 | } |
1408 | ||
1409 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
1410 | sections in the right segment. */ | |
1411 | ||
b34976b6 | 1412 | static bfd_boolean |
7b986e99 | 1413 | gld${EMULATION_NAME}_place_orphan (asection *s) |
252b5132 | 1414 | { |
afd7a018 AM |
1415 | static struct orphan_save hold[] = |
1416 | { | |
1417 | { ".text", | |
1418 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, | |
1419 | 0, 0, 0, 0 }, | |
1420 | { ".rodata", | |
1421 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1422 | 0, 0, 0, 0 }, | |
1423 | { ".data", | |
1424 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
1425 | 0, 0, 0, 0 }, | |
1426 | { ".bss", | |
1427 | SEC_ALLOC, | |
1428 | 0, 0, 0, 0 }, | |
1429 | { 0, | |
1430 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1431 | 0, 0, 0, 0 }, | |
1432 | { ".interp", | |
1433 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA, | |
1434 | 0, 0, 0, 0 }, | |
1435 | { ".sdata", | |
1436 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA | SEC_SMALL_DATA, | |
1437 | 0, 0, 0, 0 } | |
1438 | }; | |
1439 | enum orphan_save_index | |
1440 | { | |
1441 | orphan_text = 0, | |
1442 | orphan_rodata, | |
1443 | orphan_data, | |
1444 | orphan_bss, | |
1445 | orphan_rel, | |
1446 | orphan_interp, | |
1447 | orphan_sdata | |
1448 | }; | |
1449 | static int orphan_init_done = 0; | |
6a345e87 | 1450 | struct orphan_save *place; |
a854a4a7 | 1451 | const char *secname; |
afd7a018 | 1452 | lang_output_section_statement_type *after; |
252b5132 | 1453 | lang_output_section_statement_type *os; |
24cdb50a | 1454 | int isdyn = 0; |
ecca9871 L |
1455 | int iself = s->owner->xvec->flavour == bfd_target_elf_flavour; |
1456 | unsigned int sh_type = iself ? elf_section_type (s) : SHT_NULL; | |
252b5132 | 1457 | |
aea4bd9d | 1458 | secname = bfd_get_section_name (s->owner, s); |
9f61903d | 1459 | |
1049f94e | 1460 | if (! link_info.relocatable |
24cdb50a | 1461 | && link_info.combreloc |
ecca9871 | 1462 | && (s->flags & SEC_ALLOC)) |
24cdb50a | 1463 | { |
ecca9871 L |
1464 | if (iself) |
1465 | switch (sh_type) | |
1466 | { | |
1467 | case SHT_RELA: | |
1468 | secname = ".rela.dyn"; | |
1469 | isdyn = 1; | |
1470 | break; | |
1471 | case SHT_REL: | |
1472 | secname = ".rel.dyn"; | |
1473 | isdyn = 1; | |
1474 | break; | |
1475 | default: | |
1476 | break; | |
1477 | } | |
0112cd26 | 1478 | else if (CONST_STRNEQ (secname, ".rel")) |
ecca9871 L |
1479 | { |
1480 | secname = secname[4] == 'a' ? ".rela.dyn" : ".rel.dyn"; | |
1481 | isdyn = 1; | |
1482 | } | |
24cdb50a | 1483 | } |
aea4bd9d | 1484 | |
d0d6a25b | 1485 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s))) |
252b5132 | 1486 | { |
6d02a667 | 1487 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1488 | os = lang_output_section_find (secname); |
1489 | ||
1490 | if (os != NULL | |
0f33d40b | 1491 | && (os->bfd_section == NULL |
afd7a018 | 1492 | || os->bfd_section->flags == 0 |
390fbbf1 AM |
1493 | || (_bfd_elf_match_sections_by_type (output_bfd, |
1494 | os->bfd_section, | |
1495 | s->owner, s) | |
ecca9871 L |
1496 | && ((s->flags ^ os->bfd_section->flags) |
1497 | & (SEC_LOAD | SEC_ALLOC)) == 0))) | |
a854a4a7 | 1498 | { |
0f33d40b | 1499 | /* We already have an output section statement with this |
afd7a018 AM |
1500 | name, and its bfd section, if any, has compatible flags. |
1501 | If the section already exists but does not have any flags | |
1502 | set, then it has been created by the linker, probably as a | |
1503 | result of a --section-start command line switch. */ | |
7b986e99 | 1504 | lang_add_section (&os->children, s, os); |
b34976b6 | 1505 | return TRUE; |
a854a4a7 | 1506 | } |
252b5132 RH |
1507 | } |
1508 | ||
afd7a018 AM |
1509 | if (!orphan_init_done) |
1510 | { | |
1511 | struct orphan_save *ho; | |
1512 | for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) | |
1513 | if (ho->name != NULL) | |
1514 | { | |
1515 | ho->os = lang_output_section_find (ho->name); | |
1516 | if (ho->os != NULL && ho->os->flags == 0) | |
1517 | ho->os->flags = ho->flags; | |
1518 | } | |
1519 | orphan_init_done = 1; | |
1520 | } | |
252b5132 RH |
1521 | |
1522 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1523 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1524 | if (link_info.executable |
1049f94e | 1525 | && ! link_info.relocatable |
0112cd26 | 1526 | && CONST_STRNEQ (secname, ".gnu.warning.") |
afd7a018 | 1527 | && hold[orphan_text].os != NULL) |
252b5132 | 1528 | { |
afd7a018 | 1529 | lang_add_section (&hold[orphan_text].os->children, s, |
7b986e99 | 1530 | hold[orphan_text].os); |
b34976b6 | 1531 | return TRUE; |
252b5132 RH |
1532 | } |
1533 | ||
1534 | /* Decide which segment the section should go in based on the | |
1535 | section name and section flags. We put loadable .note sections | |
1536 | right after the .interp section, so that the PT_NOTE segment is | |
1537 | stored right after the program headers where the OS can read it | |
1538 | in the first page. */ | |
aea4bd9d | 1539 | |
71bfc0ae AM |
1540 | place = NULL; |
1541 | if ((s->flags & SEC_ALLOC) == 0) | |
1542 | ; | |
252b5132 | 1543 | else if ((s->flags & SEC_LOAD) != 0 |
ecca9871 | 1544 | && ((iself && sh_type == SHT_NOTE) |
0112cd26 | 1545 | || (!iself && CONST_STRNEQ (secname, ".note")))) |
afd7a018 AM |
1546 | place = &hold[orphan_interp]; |
1547 | else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) | |
1548 | place = &hold[orphan_bss]; | |
1549 | else if ((s->flags & SEC_SMALL_DATA) != 0) | |
1550 | place = &hold[orphan_sdata]; | |
1551 | else if ((s->flags & SEC_READONLY) == 0) | |
1552 | place = &hold[orphan_data]; | |
ecca9871 | 1553 | else if (((iself && (sh_type == SHT_RELA || sh_type == SHT_REL)) |
0112cd26 | 1554 | || (!iself && CONST_STRNEQ (secname, ".rel"))) |
afd7a018 AM |
1555 | && (s->flags & SEC_LOAD) != 0) |
1556 | place = &hold[orphan_rel]; | |
1557 | else if ((s->flags & SEC_CODE) == 0) | |
1558 | place = &hold[orphan_rodata]; | |
1559 | else | |
1560 | place = &hold[orphan_text]; | |
71bfc0ae | 1561 | |
afd7a018 | 1562 | after = NULL; |
5ba47421 | 1563 | if (place != NULL) |
252b5132 | 1564 | { |
afd7a018 | 1565 | if (place->os == NULL) |
5ba47421 | 1566 | { |
afd7a018 AM |
1567 | if (place->name != NULL) |
1568 | place->os = lang_output_section_find (place->name); | |
1569 | else | |
1570 | place->os = output_rel_find (s, isdyn); | |
5ba47421 | 1571 | } |
afd7a018 AM |
1572 | after = place->os; |
1573 | if (after == NULL) | |
390fbbf1 AM |
1574 | after = lang_output_section_find_by_flags |
1575 | (s, &place->os, _bfd_elf_match_sections_by_type); | |
afd7a018 AM |
1576 | if (after == NULL) |
1577 | /* *ABS* is always the first output section statement. */ | |
1578 | after = &lang_output_section_statement.head->output_section_statement; | |
252b5132 RH |
1579 | } |
1580 | ||
afd7a018 AM |
1581 | /* Choose a unique name for the section. This will be needed if the |
1582 | same section name appears in the input file with different | |
1583 | loadable or allocatable characteristics. */ | |
1584 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) | |
252b5132 | 1585 | { |
afd7a018 AM |
1586 | static int count = 1; |
1587 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); | |
1588 | if (secname == NULL) | |
1589 | einfo ("%F%P: place_orphan failed: %E\n"); | |
71bfc0ae | 1590 | } |
5ba47421 | 1591 | |
7b986e99 | 1592 | lang_insert_orphan (s, secname, after, place, NULL, NULL); |
252b5132 | 1593 | |
b34976b6 | 1594 | return TRUE; |
252b5132 | 1595 | } |
c56feb2b AM |
1596 | EOF |
1597 | fi | |
1598 | ||
1599 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1600 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1601 | |
deb04cdb AM |
1602 | static void |
1603 | gld${EMULATION_NAME}_finish (void) | |
1604 | { | |
8ded5a0f | 1605 | bfd_boolean need_layout = bfd_elf_discard_info (output_bfd, &link_info); |
81e1b023 | 1606 | |
8ded5a0f | 1607 | gld${EMULATION_NAME}_map_segments (need_layout); |
1e035701 | 1608 | finish_default (); |
73d074b4 | 1609 | } |
41392f03 AM |
1610 | EOF |
1611 | fi | |
1612 | ||
1613 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1614 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1615 | |
1616 | static char * | |
0c7a8e5a | 1617 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1618 | EOF |
1619 | ||
1620 | if test -n "$COMPILE_IN" | |
1621 | then | |
1622 | # Scripts compiled in. | |
1623 | ||
1624 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1625 | sc="-f stringify.sed" |
252b5132 RH |
1626 | |
1627 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1628 | { |
252b5132 RH |
1629 | *isfile = 0; |
1630 | ||
1049f94e | 1631 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1632 | return |
252b5132 | 1633 | EOF |
afd7a018 AM |
1634 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1635 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c | |
1636 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1637 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1638 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1639 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
afd7a018 AM |
1640 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1641 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1642 | fi |
36af4a4e JJ |
1643 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1644 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1645 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1646 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1647 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1648 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c |
36af4a4e | 1649 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1650 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c |
36af4a4e | 1651 | fi |
afd7a018 AM |
1652 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c |
1653 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
36af4a4e | 1654 | fi |
252b5132 | 1655 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1656 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1657 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
1658 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1659 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 | 1660 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c |
db6751f2 | 1661 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
afd7a018 | 1662 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1663 | fi |
afd7a018 AM |
1664 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1665 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1666 | fi |
82434356 | 1667 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1668 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
1669 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
afd7a018 AM |
1670 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c |
1671 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
1672 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1673 | fi |
afd7a018 AM |
1674 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1675 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1676 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1677 | |
1678 | else | |
1679 | # Scripts read from the filesystem. | |
1680 | ||
1681 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1682 | { |
252b5132 RH |
1683 | *isfile = 1; |
1684 | ||
1049f94e | 1685 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1686 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1687 | else if (link_info.relocatable) |
252b5132 RH |
1688 | return "ldscripts/${EMULATION_NAME}.xr"; |
1689 | else if (!config.text_read_only) | |
1690 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
1691 | EOF |
1692 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
1693 | else | |
1694 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1695 | else if (!config.magic_demand_paged) |
1696 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
1697 | EOF |
1698 | fi | |
36af4a4e JJ |
1699 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1700 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1701 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1702 | else if (link_info.pie && link_info.combreloc |
1703 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1704 | return "ldscripts/${EMULATION_NAME}.xdw"; | |
36af4a4e JJ |
1705 | else if (link_info.pie && link_info.combreloc) |
1706 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
1707 | EOF | |
1708 | fi | |
1709 | cat >>e${EMULATION_NAME}.c <<EOF | |
1710 | else if (link_info.pie) | |
1711 | return "ldscripts/${EMULATION_NAME}.xd"; | |
1712 | EOF | |
1713 | fi | |
a060b769 AM |
1714 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
1715 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1716 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1717 | else if (link_info.shared && link_info.combreloc |
1718 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1719 | return "ldscripts/${EMULATION_NAME}.xsw"; | |
a060b769 AM |
1720 | else if (link_info.shared && link_info.combreloc) |
1721 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
1722 | EOF | |
1723 | fi | |
1724 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1725 | else if (link_info.shared) |
1726 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
1727 | EOF |
1728 | fi | |
1729 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1730 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1731 | else if (link_info.combreloc && link_info.relro |
1732 | && (link_info.flags & DT_BIND_NOW)) | |
1733 | return "ldscripts/${EMULATION_NAME}.xw"; | |
a060b769 AM |
1734 | else if (link_info.combreloc) |
1735 | return "ldscripts/${EMULATION_NAME}.xc"; | |
1736 | EOF | |
1737 | fi | |
1738 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1739 | else |
1740 | return "ldscripts/${EMULATION_NAME}.x"; | |
1741 | } | |
252b5132 | 1742 | |
3b108066 | 1743 | EOF |
41392f03 AM |
1744 | fi |
1745 | fi | |
3b108066 | 1746 | |
41392f03 | 1747 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1748 | |
e0ee487b L |
1749 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1750 | cat >>e${EMULATION_NAME}.c <<EOF | |
1751 | $PARSE_AND_LIST_PROLOGUE | |
1752 | EOF | |
1753 | fi | |
1754 | ||
e0ee487b L |
1755 | cat >>e${EMULATION_NAME}.c <<EOF |
1756 | ||
6c1439be L |
1757 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1758 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1759 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1760 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
b58f81ae | 1761 | #define OPTION_EXCLUDE_LIBS (OPTION_EH_FRAME_HDR + 1) |
fdc90cb4 | 1762 | #define OPTION_HASH_STYLE (OPTION_EXCLUDE_LIBS + 1) |
e13629bc | 1763 | |
3bcf5557 | 1764 | static void |
0c7a8e5a AM |
1765 | gld${EMULATION_NAME}_add_options |
1766 | (int ns, char **shortopts, int nl, struct option **longopts, | |
1767 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 1768 | { |
3bcf5557 AM |
1769 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; |
1770 | static const struct option xtra_long[] = { | |
e0ee487b | 1771 | EOF |
e0ee487b L |
1772 | |
1773 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1774 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 AM |
1775 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1776 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
1777 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
b58f81ae | 1778 | {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, |
fdc90cb4 | 1779 | {"hash-style", required_argument, NULL, OPTION_HASH_STYLE}, |
3bcf5557 | 1780 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
e0ee487b L |
1781 | EOF |
1782 | fi | |
1783 | ||
1784 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1785 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 | 1786 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
1787 | EOF |
1788 | fi | |
1789 | ||
e0ee487b | 1790 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1791 | {NULL, no_argument, NULL, 0} |
1792 | }; | |
1793 | ||
1794 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
1795 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
1796 | *longopts = (struct option *) | |
1797 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
1798 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
1799 | } | |
04925e1e | 1800 | |
3bcf5557 | 1801 | static bfd_boolean |
0c7a8e5a | 1802 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 1803 | { |
e0ee487b L |
1804 | switch (optc) |
1805 | { | |
1806 | default: | |
3bcf5557 | 1807 | return FALSE; |
6c1439be | 1808 | |
e0ee487b | 1809 | EOF |
e0ee487b L |
1810 | |
1811 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1812 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1813 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1814 | link_info.new_dtags = FALSE; |
6c1439be L |
1815 | break; |
1816 | ||
1817 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1818 | link_info.new_dtags = TRUE; |
6c1439be L |
1819 | break; |
1820 | ||
65765700 | 1821 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1822 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1823 | break; |
1824 | ||
a1ab1d2a UD |
1825 | case OPTION_GROUP: |
1826 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1827 | /* Groups must be self-contained. */ | |
560e09e9 NC |
1828 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
1829 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
1830 | break; |
1831 | ||
b58f81ae DJ |
1832 | case OPTION_EXCLUDE_LIBS: |
1833 | add_excluded_libs (optarg); | |
1834 | break; | |
1835 | ||
fdc90cb4 JJ |
1836 | case OPTION_HASH_STYLE: |
1837 | link_info.emit_hash = FALSE; | |
1838 | link_info.emit_gnu_hash = FALSE; | |
1839 | if (strcmp (optarg, "sysv") == 0) | |
1840 | link_info.emit_hash = TRUE; | |
1841 | else if (strcmp (optarg, "gnu") == 0) | |
1842 | link_info.emit_gnu_hash = TRUE; | |
1843 | else if (strcmp (optarg, "both") == 0) | |
1844 | { | |
1845 | link_info.emit_hash = TRUE; | |
1846 | link_info.emit_gnu_hash = TRUE; | |
1847 | } | |
1848 | else | |
1849 | einfo (_("%P%F: invalid hash style \`%s'\n"), optarg); | |
1850 | break; | |
1851 | ||
e0ee487b L |
1852 | case 'z': |
1853 | if (strcmp (optarg, "initfirst") == 0) | |
1854 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1855 | else if (strcmp (optarg, "interpose") == 0) | |
1856 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1857 | else if (strcmp (optarg, "loadfltr") == 0) | |
1858 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1859 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1860 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1861 | else if (strcmp (optarg, "nodelete") == 0) | |
1862 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1863 | else if (strcmp (optarg, "nodlopen") == 0) | |
1864 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1865 | else if (strcmp (optarg, "nodump") == 0) | |
1866 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1867 | else if (strcmp (optarg, "now") == 0) | |
1868 | { | |
1869 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1870 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1871 | } | |
5fa222e4 AM |
1872 | else if (strcmp (optarg, "lazy") == 0) |
1873 | { | |
1874 | link_info.flags &= ~(bfd_vma) DF_BIND_NOW; | |
1875 | link_info.flags_1 &= ~(bfd_vma) DF_1_NOW; | |
1876 | } | |
e0ee487b L |
1877 | else if (strcmp (optarg, "origin") == 0) |
1878 | { | |
1879 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1880 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1881 | } | |
a1ab1d2a | 1882 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 1883 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 1884 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1885 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1886 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1887 | link_info.combreloc = TRUE; |
db6751f2 | 1888 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1889 | link_info.combreloc = FALSE; |
8bd621d8 | 1890 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 1891 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
1892 | else if (strcmp (optarg, "execstack") == 0) |
1893 | { | |
1894 | link_info.execstack = TRUE; | |
1895 | link_info.noexecstack = FALSE; | |
1896 | } | |
1897 | else if (strcmp (optarg, "noexecstack") == 0) | |
1898 | { | |
1899 | link_info.noexecstack = TRUE; | |
1900 | link_info.execstack = FALSE; | |
1901 | } | |
88b882e9 L |
1902 | EOF |
1903 | ||
1904 | if test -n "$COMMONPAGESIZE"; then | |
1905 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1906 | else if (strcmp (optarg, "relro") == 0) |
1907 | link_info.relro = TRUE; | |
1908 | else if (strcmp (optarg, "norelro") == 0) | |
1909 | link_info.relro = FALSE; | |
88b882e9 L |
1910 | EOF |
1911 | fi | |
1912 | ||
1913 | cat >>e${EMULATION_NAME}.c <<EOF | |
0112cd26 | 1914 | else if (CONST_STRNEQ (optarg, "max-page-size=")) |
24718e3b L |
1915 | { |
1916 | char *end; | |
0112cd26 | 1917 | |
24718e3b | 1918 | config.maxpagesize = strtoul (optarg + 14, &end, 0); |
b8142865 | 1919 | if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0) |
24718e3b L |
1920 | einfo (_("%P%F: invalid maxium page size \`%s'\n"), |
1921 | optarg + 14); | |
b8142865 L |
1922 | ASSERT (default_target != NULL); |
1923 | bfd_emul_set_maxpagesize (default_target, config.maxpagesize); | |
24718e3b | 1924 | } |
0112cd26 | 1925 | else if (CONST_STRNEQ (optarg, "common-page-size=")) |
24718e3b L |
1926 | { |
1927 | char *end; | |
1928 | config.commonpagesize = strtoul (optarg + 17, &end, 0); | |
b8142865 L |
1929 | if (*end |
1930 | || (config.commonpagesize & (config.commonpagesize - 1)) != 0) | |
24718e3b L |
1931 | einfo (_("%P%F: invalid common page size \`%s'\n"), |
1932 | optarg + 17); | |
b8142865 L |
1933 | ASSERT (default_target != NULL); |
1934 | bfd_emul_set_commonpagesize (default_target, | |
1935 | config.commonpagesize); | |
24718e3b | 1936 | } |
e0ee487b | 1937 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1938 | break; |
e0ee487b L |
1939 | EOF |
1940 | fi | |
1941 | ||
1942 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1943 | cat >>e${EMULATION_NAME}.c <<EOF | |
1944 | $PARSE_AND_LIST_ARGS_CASES | |
1945 | EOF | |
1946 | fi | |
1947 | ||
e0ee487b L |
1948 | cat >>e${EMULATION_NAME}.c <<EOF |
1949 | } | |
1950 | ||
3bcf5557 | 1951 | return TRUE; |
e0ee487b L |
1952 | } |
1953 | ||
41392f03 | 1954 | EOF |
41392f03 | 1955 | |
4b209b22 | 1956 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1957 | cat >>e${EMULATION_NAME}.c <<EOF |
1958 | ||
e0ee487b | 1959 | static void |
0c7a8e5a | 1960 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b L |
1961 | { |
1962 | EOF | |
e0ee487b L |
1963 | |
1964 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1965 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1966 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1967 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1968 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1969 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
fdc90cb4 | 1970 | fprintf (file, _(" --hash-style=STYLE\tSet hash style to sysv, gnu or both\n")); |
ec38dd05 | 1971 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
560e09e9 | 1972 | fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n")); |
9ee5e499 | 1973 | fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n")); |
f813923c HPN |
1974 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1975 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
5fa222e4 | 1976 | fprintf (file, _(" -z lazy\t\tMark object lazy runtime binding (default)\n")); |
e0ee487b | 1977 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1978 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1979 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1980 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1981 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1982 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1983 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1984 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
10b4329d | 1985 | fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n")); |
88b882e9 L |
1986 | EOF |
1987 | ||
1988 | if test -n "$COMMONPAGESIZE"; then | |
1989 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b | 1990 | fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n")); |
88b882e9 L |
1991 | EOF |
1992 | fi | |
1993 | ||
1994 | cat >>e${EMULATION_NAME}.c <<EOF | |
e0ee487b | 1995 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1996 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
88b882e9 L |
1997 | EOF |
1998 | ||
1999 | if test -n "$COMMONPAGESIZE"; then | |
2000 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b | 2001 | fprintf (file, _(" -z relro\t\tCreate RELRO program header\n")); |
88b882e9 L |
2002 | EOF |
2003 | fi | |
2004 | ||
2005 | cat >>e${EMULATION_NAME}.c <<EOF | |
24718e3b L |
2006 | fprintf (file, _(" -z max-page-size=SIZE\tSet maximum page size to SIZE\n")); |
2007 | fprintf (file, _(" -z common-page-size=SIZE\n\t\t\tSet common page size to SIZE\n")); | |
19e3be22 | 2008 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
2009 | EOF |
2010 | fi | |
2011 | ||
2012 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
2013 | cat >>e${EMULATION_NAME}.c <<EOF | |
2014 | $PARSE_AND_LIST_OPTIONS | |
2015 | EOF | |
2016 | fi | |
2017 | ||
e0ee487b L |
2018 | cat >>e${EMULATION_NAME}.c <<EOF |
2019 | } | |
2020 | EOF | |
e0ee487b L |
2021 | |
2022 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
2023 | cat >>e${EMULATION_NAME}.c <<EOF | |
2024 | $PARSE_AND_LIST_EPILOGUE | |
2025 | EOF | |
2026 | fi | |
41392f03 AM |
2027 | fi |
2028 | else | |
41392f03 | 2029 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
2030 | #define gld${EMULATION_NAME}_add_options NULL |
2031 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 2032 | EOF |
4b209b22 | 2033 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 2034 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 2035 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
2036 | EOF |
2037 | fi | |
2038 | fi | |
e0ee487b | 2039 | |
252b5132 RH |
2040 | cat >>e${EMULATION_NAME}.c <<EOF |
2041 | ||
60bcf0fa | 2042 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 2043 | { |
41392f03 AM |
2044 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
2045 | ${LDEMUL_SYSLIB-syslib_default}, | |
2046 | ${LDEMUL_HLL-hll_default}, | |
2047 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
2048 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
2049 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
2050 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
2051 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
2052 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
2053 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
2054 | "${EMULATION_NAME}", |
2055 | "${OUTPUT_FORMAT}", | |
c56feb2b | 2056 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
2057 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
2058 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
2059 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
2060 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
2061 | ${LDEMUL_PARSE_ARGS-NULL}, |
2062 | gld${EMULATION_NAME}_add_options, | |
2063 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 2064 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 2065 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 2066 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 2067 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 2068 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
2069 | }; |
2070 | EOF |