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