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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 ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
5e2f1575 | 16 | 2002, 2003, 2004 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
38 | #include "bfd.h" | |
39 | #include "sysdep.h" | |
1c9acd94 | 40 | #include "libiberty.h" |
3882b010 | 41 | #include "safe-ctype.h" |
fcf65871 | 42 | #include "getopt.h" |
252b5132 RH |
43 | |
44 | #include "bfdlink.h" | |
45 | ||
46 | #include "ld.h" | |
47 | #include "ldmain.h" | |
252b5132 RH |
48 | #include "ldmisc.h" |
49 | #include "ldexp.h" | |
50 | #include "ldlang.h" | |
b71e2778 AM |
51 | #include "ldfile.h" |
52 | #include "ldemul.h" | |
df2a7313 | 53 | #include <ldgram.h> |
e0ee487b | 54 | #include "elf/common.h" |
252b5132 | 55 | |
0c7a8e5a AM |
56 | /* Declare functions used by various EXTRA_EM_FILEs. */ |
57 | static void gld${EMULATION_NAME}_before_parse (void); | |
58 | static void gld${EMULATION_NAME}_after_open (void); | |
59 | static void gld${EMULATION_NAME}_before_allocation (void); | |
b34976b6 | 60 | static bfd_boolean gld${EMULATION_NAME}_place_orphan |
0c7a8e5a AM |
61 | (lang_input_statement_type *file, asection *s); |
62 | static void gld${EMULATION_NAME}_finish (void); | |
252b5132 | 63 | |
41392f03 AM |
64 | EOF |
65 | ||
d3989512 JJ |
66 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
67 | case ${target} in | |
68 | *-*-linux-gnu*) | |
69 | cat >>e${EMULATION_NAME}.c <<EOF | |
70 | #include <glob.h> | |
71 | EOF | |
72 | ;; | |
73 | esac | |
74 | fi | |
75 | ||
41392f03 AM |
76 | # Import any needed special functions and/or overrides. |
77 | # | |
78 | if test -n "$EXTRA_EM_FILE" ; then | |
79 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
80 | fi | |
81 | ||
f813923c | 82 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
83 | # variables. If the name of the overriding function is the same as is |
84 | # defined in this file, then don't output this file's version. | |
85 | # If a different overriding name is given then output the standard function | |
86 | # as presumably it is called from the overriding function. | |
87 | # | |
88 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
89 | cat >>e${EMULATION_NAME}.c <<EOF | |
90 | ||
252b5132 | 91 | static void |
0c7a8e5a | 92 | gld${EMULATION_NAME}_before_parse (void) |
252b5132 | 93 | { |
5e2f1575 | 94 | ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); |
b34976b6 AM |
95 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
96 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
97 | } |
98 | ||
41392f03 AM |
99 | EOF |
100 | fi | |
101 | ||
4a43e768 AM |
102 | if test x"$LDEMUL_RECOGNIZED_FILE" != xgld"${EMULATION_NAME}"_load_symbols; then |
103 | cat >>e${EMULATION_NAME}.c <<EOF | |
104 | /* Handle as_needed DT_NEEDED. */ | |
105 | ||
106 | static bfd_boolean | |
107 | gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *entry) | |
108 | { | |
e56f61be | 109 | int class = 0; |
4a43e768 AM |
110 | |
111 | /* Tell the ELF linker that we don't want the output file to have a | |
112 | DT_NEEDED entry for this file, unless it is used to resolve | |
113 | references in a regular object. */ | |
e56f61be L |
114 | if (entry->as_needed) |
115 | class = DYN_AS_NEEDED; | |
116 | ||
117 | /* Tell the ELF linker that we don't want the output file to have a | |
118 | DT_NEEDED entry for any dynamic library in DT_NEEDED tags from | |
119 | this file at all. */ | |
120 | if (!entry->add_needed) | |
121 | class |= DYN_NO_ADD_NEEDED; | |
122 | ||
123 | if (!class | |
124 | || (bfd_get_file_flags (entry->the_bfd) & DYNAMIC) == 0) | |
125 | return FALSE; | |
126 | ||
127 | bfd_elf_set_dyn_lib_class (entry->the_bfd, class); | |
4a43e768 AM |
128 | |
129 | /* Continue on with normal load_symbols processing. */ | |
130 | return FALSE; | |
131 | } | |
132 | EOF | |
133 | fi | |
134 | ||
41392f03 | 135 | cat >>e${EMULATION_NAME}.c <<EOF |
252b5132 RH |
136 | |
137 | /* These variables are required to pass information back and forth | |
138 | between after_open and check_needed and stat_needed and vercheck. */ | |
139 | ||
140 | static struct bfd_link_needed_list *global_needed; | |
141 | static struct stat global_stat; | |
b34976b6 | 142 | static bfd_boolean global_found; |
252b5132 | 143 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 144 | static bfd_boolean global_vercheck_failed; |
252b5132 | 145 | |
252b5132 | 146 | |
04925e1e AM |
147 | /* On Linux, it's possible to have different versions of the same |
148 | shared library linked against different versions of libc. The | |
149 | dynamic linker somehow tags which libc version to use in | |
150 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
151 | executable, chooses which version of the shared library to use. | |
252b5132 | 152 | |
04925e1e AM |
153 | We try to do a similar check here by checking whether this shared |
154 | library needs any other shared libraries which may conflict with | |
155 | libraries we have already included in the link. If it does, we | |
156 | skip it, and try to find another shared library farther on down the | |
157 | link path. | |
252b5132 | 158 | |
04925e1e AM |
159 | This is called via lang_for_each_input_file. |
160 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 161 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 162 | a conflicting version. */ |
252b5132 | 163 | |
04925e1e | 164 | static void |
0c7a8e5a | 165 | gld${EMULATION_NAME}_vercheck (lang_input_statement_type *s) |
04925e1e | 166 | { |
1c9acd94 | 167 | const char *soname; |
04925e1e | 168 | struct bfd_link_needed_list *l; |
252b5132 | 169 | |
04925e1e AM |
170 | if (global_vercheck_failed) |
171 | return; | |
172 | if (s->the_bfd == NULL | |
173 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
174 | return; | |
252b5132 | 175 | |
04925e1e AM |
176 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
177 | if (soname == NULL) | |
fed2999d | 178 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
179 | |
180 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
181 | { | |
182 | const char *suffix; | |
183 | ||
1c9acd94 | 184 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
185 | { |
186 | /* Probably can't happen, but it's an easy check. */ | |
187 | continue; | |
252b5132 RH |
188 | } |
189 | ||
04925e1e | 190 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
191 | continue; |
192 | ||
04925e1e AM |
193 | suffix = strstr (l->name, ".so."); |
194 | if (suffix == NULL) | |
195 | continue; | |
196 | ||
197 | suffix += sizeof ".so." - 1; | |
198 | ||
1c9acd94 | 199 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
200 | { |
201 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
0c7a8e5a AM |
202 | the object we are considering needs a dynamic object |
203 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
204 | appears to be a version mismatch, so we tell the caller | |
205 | to try a different version of this library. */ | |
b34976b6 | 206 | global_vercheck_failed = TRUE; |
04925e1e AM |
207 | return; |
208 | } | |
252b5132 RH |
209 | } |
210 | } | |
211 | ||
252b5132 | 212 | |
04925e1e AM |
213 | /* See if an input file matches a DT_NEEDED entry by running stat on |
214 | the file. */ | |
215 | ||
216 | static void | |
0c7a8e5a | 217 | gld${EMULATION_NAME}_stat_needed (lang_input_statement_type *s) |
252b5132 | 218 | { |
04925e1e AM |
219 | struct stat st; |
220 | const char *suffix; | |
221 | const char *soname; | |
252b5132 | 222 | |
04925e1e AM |
223 | if (global_found) |
224 | return; | |
225 | if (s->the_bfd == NULL) | |
226 | return; | |
227 | ||
228 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 229 | { |
04925e1e AM |
230 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
231 | return; | |
232 | } | |
252b5132 | 233 | |
04925e1e AM |
234 | if (st.st_dev == global_stat.st_dev |
235 | && st.st_ino == global_stat.st_ino) | |
236 | { | |
b34976b6 | 237 | global_found = TRUE; |
04925e1e AM |
238 | return; |
239 | } | |
252b5132 | 240 | |
04925e1e AM |
241 | /* We issue a warning if it looks like we are including two |
242 | different versions of the same shared library. For example, | |
243 | there may be a problem if -lc picks up libc.so.6 but some other | |
244 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 245 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
246 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
247 | If we really want to issue warnings about mixing version numbers | |
248 | of shared libraries, we need to find a better way. */ | |
252b5132 | 249 | |
04925e1e AM |
250 | if (strchr (global_needed->name, '/') != NULL) |
251 | return; | |
252 | suffix = strstr (global_needed->name, ".so."); | |
253 | if (suffix == NULL) | |
254 | return; | |
255 | suffix += sizeof ".so." - 1; | |
252b5132 | 256 | |
04925e1e AM |
257 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
258 | if (soname == NULL) | |
fed2999d | 259 | soname = lbasename (s->filename); |
252b5132 | 260 | |
cde43e70 | 261 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 262 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 263 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
264 | } |
265 | ||
e56f61be L |
266 | struct dt_needed |
267 | { | |
268 | bfd *by; | |
269 | const char *name; | |
270 | }; | |
04925e1e | 271 | |
252b5132 RH |
272 | /* This function is called for each possible name for a dynamic object |
273 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
274 | to skip the check for a conflicting version. */ | |
275 | ||
b34976b6 | 276 | static bfd_boolean |
e56f61be L |
277 | gld${EMULATION_NAME}_try_needed (struct dt_needed *needed, |
278 | int force) | |
252b5132 RH |
279 | { |
280 | bfd *abfd; | |
e56f61be | 281 | const char *name = needed->name; |
ec4eb78a | 282 | const char *soname; |
e56f61be | 283 | int class; |
252b5132 RH |
284 | |
285 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
286 | if (abfd == NULL) | |
b34976b6 | 287 | return FALSE; |
252b5132 RH |
288 | if (! bfd_check_format (abfd, bfd_object)) |
289 | { | |
cde43e70 | 290 | bfd_close (abfd); |
b34976b6 | 291 | return FALSE; |
252b5132 RH |
292 | } |
293 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
294 | { | |
cde43e70 | 295 | bfd_close (abfd); |
b34976b6 | 296 | return FALSE; |
252b5132 RH |
297 | } |
298 | ||
c4bb8067 L |
299 | /* For DT_NEEDED, they have to match. */ |
300 | if (abfd->xvec != output_bfd->xvec) | |
301 | { | |
302 | bfd_close (abfd); | |
b34976b6 | 303 | return FALSE; |
c4bb8067 L |
304 | } |
305 | ||
252b5132 RH |
306 | /* Check whether this object would include any conflicting library |
307 | versions. If FORCE is set, then we skip this check; we use this | |
308 | the second time around, if we couldn't find any compatible | |
309 | instance of the shared library. */ | |
310 | ||
311 | if (! force) | |
312 | { | |
313 | struct bfd_link_needed_list *needed; | |
314 | ||
315 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
316 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
317 | ||
318 | if (needed != NULL) | |
319 | { | |
320 | global_vercheck_needed = needed; | |
b34976b6 | 321 | global_vercheck_failed = FALSE; |
252b5132 RH |
322 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
323 | if (global_vercheck_failed) | |
324 | { | |
cde43e70 | 325 | bfd_close (abfd); |
b34976b6 | 326 | /* Return FALSE to force the caller to move on to try |
0c7a8e5a | 327 | another file on the search path. */ |
b34976b6 | 328 | return FALSE; |
252b5132 RH |
329 | } |
330 | ||
331 | /* But wait! It gets much worse. On Linux, if a shared | |
0c7a8e5a AM |
332 | library does not use libc at all, we are supposed to skip |
333 | it the first time around in case we encounter a shared | |
334 | library later on with the same name which does use the | |
335 | version of libc that we want. This is much too horrible | |
336 | to use on any system other than Linux. */ | |
252b5132 RH |
337 | |
338 | EOF | |
339 | case ${target} in | |
340 | *-*-linux-gnu*) | |
341 | cat >>e${EMULATION_NAME}.c <<EOF | |
342 | { | |
343 | struct bfd_link_needed_list *l; | |
344 | ||
345 | for (l = needed; l != NULL; l = l->next) | |
346 | if (strncmp (l->name, "libc.so", 7) == 0) | |
347 | break; | |
348 | if (l == NULL) | |
349 | { | |
cde43e70 | 350 | bfd_close (abfd); |
b34976b6 | 351 | return FALSE; |
252b5132 RH |
352 | } |
353 | } | |
354 | ||
355 | EOF | |
356 | ;; | |
357 | esac | |
358 | cat >>e${EMULATION_NAME}.c <<EOF | |
359 | } | |
360 | } | |
361 | ||
362 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
363 | ||
04925e1e AM |
364 | /* We have already checked that there is no other input file of the |
365 | same name. We must now check again that we are not including the | |
366 | same file twice. We need to do this because on many systems | |
367 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
368 | reference libc.so.1. If we have already included libc.so, we | |
369 | don't want to include libc.so.1 if they are the same file, and we | |
370 | can only check that using stat. */ | |
371 | ||
372 | if (bfd_stat (abfd, &global_stat) != 0) | |
373 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
374 | |
375 | /* First strip off everything before the last '/'. */ | |
fed2999d | 376 | soname = lbasename (abfd->filename); |
ec4eb78a L |
377 | |
378 | if (trace_file_tries) | |
379 | info_msg (_("found %s at %s\n"), soname, name); | |
380 | ||
b34976b6 | 381 | global_found = FALSE; |
04925e1e AM |
382 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
383 | if (global_found) | |
384 | { | |
b34976b6 | 385 | /* Return TRUE to indicate that we found the file, even though |
0c7a8e5a | 386 | we aren't going to do anything with it. */ |
b34976b6 | 387 | return TRUE; |
04925e1e AM |
388 | } |
389 | ||
4a43e768 AM |
390 | /* Specify the soname to use. */ |
391 | bfd_elf_set_dt_needed_name (abfd, soname); | |
04925e1e | 392 | |
4a43e768 AM |
393 | /* Tell the ELF linker that we don't want the output file to have a |
394 | DT_NEEDED entry for this file, unless it is used to resolve | |
395 | references in a regular object. */ | |
e56f61be L |
396 | class = DYN_DT_NEEDED; |
397 | ||
398 | /* Tell the ELF linker that we don't want the output file to have a | |
399 | DT_NEEDED entry for this file at all if the entry is from a file | |
400 | with DYN_NO_ADD_NEEDED. */ | |
401 | if (needed->by | |
402 | && (bfd_elf_get_dyn_lib_class (needed->by) | |
403 | & DYN_NO_ADD_NEEDED) != 0) | |
404 | class |= DYN_NO_NEEDED | DYN_NO_ADD_NEEDED; | |
405 | ||
406 | bfd_elf_set_dyn_lib_class (abfd, class); | |
04925e1e AM |
407 | |
408 | /* Add this file into the symbol table. */ | |
409 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
410 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
411 | ||
b34976b6 | 412 | return TRUE; |
04925e1e AM |
413 | } |
414 | ||
415 | ||
416 | /* Search for a needed file in a path. */ | |
417 | ||
b34976b6 | 418 | static bfd_boolean |
e56f61be L |
419 | gld${EMULATION_NAME}_search_needed (const char *path, |
420 | struct dt_needed *n, int force) | |
04925e1e AM |
421 | { |
422 | const char *s; | |
e56f61be | 423 | const char *name = n->name; |
04925e1e | 424 | size_t len; |
e56f61be | 425 | struct dt_needed needed; |
04925e1e | 426 | |
cc5ce052 | 427 | if (name[0] == '/') |
e56f61be | 428 | return gld${EMULATION_NAME}_try_needed (n, force); |
cc5ce052 | 429 | |
04925e1e | 430 | if (path == NULL || *path == '\0') |
b34976b6 | 431 | return FALSE; |
e56f61be L |
432 | |
433 | needed.by = n->by; | |
434 | needed.name = n->name; | |
435 | ||
04925e1e AM |
436 | len = strlen (name); |
437 | while (1) | |
438 | { | |
439 | char *filename, *sset; | |
440 | ||
441 | s = strchr (path, ':'); | |
442 | if (s == NULL) | |
443 | s = path + strlen (path); | |
444 | ||
445 | filename = (char *) xmalloc (s - path + len + 2); | |
446 | if (s == path) | |
447 | sset = filename; | |
448 | else | |
449 | { | |
450 | memcpy (filename, path, s - path); | |
451 | filename[s - path] = '/'; | |
452 | sset = filename + (s - path) + 1; | |
453 | } | |
454 | strcpy (sset, name); | |
455 | ||
e56f61be L |
456 | needed.name = filename; |
457 | if (gld${EMULATION_NAME}_try_needed (&needed, force)) | |
b34976b6 | 458 | return TRUE; |
04925e1e AM |
459 | |
460 | free (filename); | |
461 | ||
462 | if (*s == '\0') | |
463 | break; | |
464 | path = s + 1; | |
465 | } | |
466 | ||
b34976b6 | 467 | return FALSE; |
04925e1e AM |
468 | } |
469 | ||
470 | EOF | |
9c8ebd6a | 471 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 472 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a DJ |
473 | |
474 | /* Add the sysroot to every entry in a colon-separated path. */ | |
475 | ||
476 | static char * | |
0c7a8e5a | 477 | gld${EMULATION_NAME}_add_sysroot (const char *path) |
9c8ebd6a DJ |
478 | { |
479 | int len, colons, i; | |
480 | char *ret, *p; | |
481 | ||
482 | len = strlen (path); | |
483 | colons = 0; | |
484 | i = 0; | |
485 | while (path[i]) | |
486 | if (path[i++] == ':') | |
487 | colons++; | |
488 | ||
489 | if (path[i]) | |
490 | colons++; | |
491 | ||
42644a89 | 492 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
493 | ret = xmalloc (len + 1); |
494 | strcpy (ret, ld_sysroot); | |
495 | p = ret + strlen (ret); | |
496 | i = 0; | |
497 | while (path[i]) | |
498 | if (path[i] == ':') | |
499 | { | |
0c7a8e5a | 500 | *p++ = path[i++]; |
9c8ebd6a DJ |
501 | strcpy (p, ld_sysroot); |
502 | p = p + strlen (p); | |
9c8ebd6a DJ |
503 | } |
504 | else | |
505 | *p++ = path[i++]; | |
506 | ||
507 | *p = 0; | |
508 | return ret; | |
509 | } | |
04925e1e | 510 | |
3dc16cab DJ |
511 | EOF |
512 | case ${target} in | |
513 | *-*-linux-gnu*) | |
514 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
515 | /* For a native linker, check the file /etc/ld.so.conf for directories |
516 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 517 | only meaningful on Linux. */ |
04925e1e | 518 | |
d3989512 | 519 | struct gld${EMULATION_NAME}_ld_so_conf |
04925e1e | 520 | { |
d3989512 JJ |
521 | char *path; |
522 | size_t len, alloc; | |
523 | }; | |
04925e1e | 524 | |
d3989512 JJ |
525 | static void |
526 | gld${EMULATION_NAME}_parse_ld_so_conf | |
527 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename); | |
528 | ||
529 | static void | |
530 | gld${EMULATION_NAME}_parse_ld_so_conf_include | |
531 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename, | |
532 | const char *pattern) | |
533 | { | |
534 | char *newp = NULL; | |
535 | glob_t gl; | |
536 | ||
537 | if (pattern[0] != '/') | |
04925e1e | 538 | { |
d3989512 JJ |
539 | char *p = strrchr (filename, '/'); |
540 | size_t patlen = strlen (pattern) + 1; | |
04925e1e | 541 | |
d3989512 JJ |
542 | newp = xmalloc (p - filename + 1 + patlen); |
543 | memcpy (newp, filename, p - filename + 1); | |
544 | memcpy (newp + (p - filename + 1), pattern, patlen); | |
545 | pattern = newp; | |
546 | } | |
04925e1e | 547 | |
d3989512 JJ |
548 | if (glob (pattern, 0, NULL, &gl) == 0) |
549 | { | |
550 | size_t i; | |
551 | ||
552 | for (i = 0; i < gl.gl_pathc; ++i) | |
553 | gld${EMULATION_NAME}_parse_ld_so_conf (info, gl.gl_pathv[i]); | |
554 | globfree (&gl); | |
555 | } | |
556 | ||
557 | if (newp) | |
558 | free (newp); | |
559 | } | |
560 | ||
561 | static void | |
562 | gld${EMULATION_NAME}_parse_ld_so_conf | |
563 | (struct gld${EMULATION_NAME}_ld_so_conf *info, const char *filename) | |
564 | { | |
565 | FILE *f = fopen (filename, FOPEN_RT); | |
563f4125 JJ |
566 | char *line; |
567 | size_t linelen; | |
d3989512 JJ |
568 | |
569 | if (f == NULL) | |
570 | return; | |
571 | ||
563f4125 JJ |
572 | linelen = 256; |
573 | line = xmalloc (linelen); | |
574 | do | |
d3989512 | 575 | { |
563f4125 JJ |
576 | char *p = line, *q; |
577 | ||
578 | /* Normally this would use getline(3), but we need to be portable. */ | |
579 | while ((q = fgets (p, linelen - (p - line), f)) != NULL | |
580 | && strlen (q) == linelen - (p - line) - 1 | |
581 | && line[linelen - 2] != '\n') | |
582 | { | |
583 | line = xrealloc (line, 2 * linelen); | |
584 | p = line + linelen - 1; | |
585 | linelen += linelen; | |
586 | } | |
587 | ||
588 | if (q == NULL && p == line) | |
589 | break; | |
d3989512 JJ |
590 | |
591 | p = strchr (line, '\n'); | |
592 | if (p) | |
593 | *p = '\0'; | |
594 | ||
595 | /* Because the file format does not know any form of quoting we | |
596 | can search forward for the next '#' character and if found | |
597 | make it terminating the line. */ | |
598 | p = strchr (line, '#'); | |
599 | if (p) | |
600 | *p = '\0'; | |
601 | ||
602 | /* Remove leading whitespace. NUL is no whitespace character. */ | |
603 | p = line; | |
604 | while (*p == ' ' || *p == '\f' || *p == '\r' || *p == '\t' || *p == '\v') | |
605 | ++p; | |
606 | ||
607 | /* If the line is blank it is ignored. */ | |
608 | if (p[0] == '\0') | |
609 | continue; | |
04925e1e | 610 | |
d3989512 JJ |
611 | if (!strncmp (p, "include", 7) && (p[7] == ' ' || p[7] == '\t')) |
612 | { | |
613 | char *dir, c; | |
614 | p += 8; | |
615 | do | |
04925e1e | 616 | { |
d3989512 JJ |
617 | while (*p == ' ' || *p == '\t') |
618 | ++p; | |
04925e1e | 619 | |
d3989512 JJ |
620 | if (*p == '\0') |
621 | break; | |
252b5132 | 622 | |
d3989512 JJ |
623 | dir = p; |
624 | ||
625 | while (*p != ' ' && *p != '\t' && *p) | |
626 | ++p; | |
627 | ||
628 | c = *p; | |
629 | *p++ = '\0'; | |
630 | if (dir[0] != '\0') | |
631 | gld${EMULATION_NAME}_parse_ld_so_conf_include (info, filename, | |
632 | dir); | |
633 | } | |
634 | while (c != '\0'); | |
635 | } | |
636 | else | |
637 | { | |
638 | char *dir = p; | |
639 | while (*p && *p != '=' && *p != ' ' && *p != '\t' && *p != '\f' | |
640 | && *p != '\r' && *p != '\v') | |
641 | ++p; | |
642 | ||
643 | while (p != dir && p[-1] == '/') | |
644 | --p; | |
645 | if (info->path == NULL) | |
646 | { | |
647 | info->alloc = p - dir + 1 + 256; | |
648 | info->path = xmalloc (info->alloc); | |
649 | info->len = 0; | |
650 | } | |
04925e1e AM |
651 | else |
652 | { | |
d3989512 JJ |
653 | if (info->len + 1 + (p - dir) >= info->alloc) |
654 | { | |
655 | info->alloc += p - dir + 256; | |
656 | info->path = xrealloc (info->path, info->alloc); | |
657 | } | |
658 | info->path[info->len++] = ':'; | |
04925e1e | 659 | } |
d3989512 JJ |
660 | memcpy (info->path + info->len, dir, p - dir); |
661 | info->len += p - dir; | |
662 | info->path[info->len] = '\0'; | |
663 | } | |
664 | } | |
563f4125 | 665 | while (! feof (f)); |
d3989512 JJ |
666 | free (line); |
667 | fclose (f); | |
668 | } | |
252b5132 | 669 | |
d3989512 JJ |
670 | static bfd_boolean |
671 | gld${EMULATION_NAME}_check_ld_so_conf (const char *name, int force) | |
672 | { | |
673 | static bfd_boolean initialized; | |
674 | static char *ld_so_conf; | |
675 | struct dt_needed needed; | |
252b5132 | 676 | |
d3989512 JJ |
677 | if (! initialized) |
678 | { | |
679 | char *tmppath; | |
680 | struct gld${EMULATION_NAME}_ld_so_conf info; | |
9c8ebd6a | 681 | |
d3989512 JJ |
682 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); |
683 | info.path = NULL; | |
684 | info.len = info.alloc = 0; | |
685 | gld${EMULATION_NAME}_parse_ld_so_conf (&info, tmppath); | |
686 | free (tmppath); | |
687 | if (info.path) | |
688 | { | |
689 | char *d = gld${EMULATION_NAME}_add_sysroot (info.path); | |
690 | free (info.path); | |
691 | ld_so_conf = d; | |
04925e1e | 692 | } |
b34976b6 | 693 | initialized = TRUE; |
04925e1e | 694 | } |
49e56c49 | 695 | |
04925e1e | 696 | if (ld_so_conf == NULL) |
b34976b6 | 697 | return FALSE; |
252b5132 | 698 | |
e56f61be L |
699 | |
700 | needed.by = NULL; | |
701 | needed.name = name; | |
702 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, &needed, force); | |
252b5132 RH |
703 | } |
704 | ||
04925e1e | 705 | EOF |
9c8ebd6a DJ |
706 | # Linux |
707 | ;; | |
04925e1e AM |
708 | esac |
709 | fi | |
710 | cat >>e${EMULATION_NAME}.c <<EOF | |
711 | ||
252b5132 RH |
712 | /* See if an input file matches a DT_NEEDED entry by name. */ |
713 | ||
714 | static void | |
0c7a8e5a | 715 | gld${EMULATION_NAME}_check_needed (lang_input_statement_type *s) |
252b5132 RH |
716 | { |
717 | if (global_found) | |
718 | return; | |
719 | ||
577a0623 | 720 | if (s->filename != NULL) |
252b5132 | 721 | { |
577a0623 AM |
722 | const char *f; |
723 | ||
724 | if (strcmp (s->filename, global_needed->name) == 0) | |
725 | { | |
b34976b6 | 726 | global_found = TRUE; |
577a0623 AM |
727 | return; |
728 | } | |
729 | ||
730 | if (s->search_dirs_flag) | |
731 | { | |
732 | f = strrchr (s->filename, '/'); | |
733 | if (f != NULL | |
734 | && strcmp (f + 1, global_needed->name) == 0) | |
735 | { | |
b34976b6 | 736 | global_found = TRUE; |
577a0623 AM |
737 | return; |
738 | } | |
739 | } | |
252b5132 RH |
740 | } |
741 | ||
742 | if (s->the_bfd != NULL) | |
743 | { | |
744 | const char *soname; | |
745 | ||
746 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
747 | if (soname != NULL | |
748 | && strcmp (soname, global_needed->name) == 0) | |
749 | { | |
b34976b6 | 750 | global_found = TRUE; |
252b5132 RH |
751 | return; |
752 | } | |
753 | } | |
252b5132 RH |
754 | } |
755 | ||
41392f03 AM |
756 | EOF |
757 | ||
758 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
759 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
760 | |
761 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
762 | |
763 | static void | |
0c7a8e5a | 764 | gld${EMULATION_NAME}_after_open (void) |
252b5132 | 765 | { |
04925e1e | 766 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 767 | |
04925e1e | 768 | /* We only need to worry about this when doing a final link. */ |
1049f94e | 769 | if (link_info.relocatable || !link_info.executable) |
252b5132 RH |
770 | return; |
771 | ||
04925e1e AM |
772 | /* Get the list of files which appear in DT_NEEDED entries in |
773 | dynamic objects included in the link (often there will be none). | |
774 | For each such file, we want to track down the corresponding | |
775 | library, and include the symbol table in the link. This is what | |
776 | the runtime dynamic linker will do. Tracking the files down here | |
777 | permits one dynamic object to include another without requiring | |
778 | special action by the person doing the link. Note that the | |
779 | needed list can actually grow while we are stepping through this | |
780 | loop. */ | |
781 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
782 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 783 | { |
04925e1e | 784 | struct bfd_link_needed_list *ll; |
e56f61be | 785 | struct dt_needed n, nn; |
04925e1e | 786 | int force; |
252b5132 | 787 | |
04925e1e AM |
788 | /* If we've already seen this file, skip it. */ |
789 | for (ll = needed; ll != l; ll = ll->next) | |
790 | if (strcmp (ll->name, l->name) == 0) | |
791 | break; | |
792 | if (ll != l) | |
793 | continue; | |
252b5132 | 794 | |
04925e1e AM |
795 | /* See if this file was included in the link explicitly. */ |
796 | global_needed = l; | |
b34976b6 | 797 | global_found = FALSE; |
04925e1e AM |
798 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
799 | if (global_found) | |
800 | continue; | |
252b5132 | 801 | |
e56f61be L |
802 | n.by = l->by; |
803 | n.name = l->name; | |
804 | nn.by = l->by; | |
ec4eb78a L |
805 | if (trace_file_tries) |
806 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
807 | ||
04925e1e AM |
808 | /* We need to find this file and include the symbol table. We |
809 | want to search for the file in the same way that the dynamic | |
810 | linker will search. That means that we want to use | |
811 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
812 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
813 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
814 | We do not search using the -L arguments. | |
252b5132 | 815 | |
04925e1e AM |
816 | We search twice. The first time, we skip objects which may |
817 | introduce version mismatches. The second time, we force | |
818 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
819 | for (force = 0; force < 2; force++) | |
820 | { | |
04925e1e AM |
821 | size_t len; |
822 | search_dirs_type *search; | |
6dd8c765 | 823 | EOF |
9c8ebd6a | 824 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
6dd8c765 | 825 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 826 | const char *lib_path; |
6dd8c765 L |
827 | struct bfd_link_needed_list *rp; |
828 | int found; | |
829 | EOF | |
6dd8c765 L |
830 | fi |
831 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 832 | |
04925e1e | 833 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
e56f61be | 834 | &n, force)) |
04925e1e | 835 | break; |
dcb0bd0e | 836 | EOF |
9c8ebd6a | 837 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 838 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 839 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
e56f61be | 840 | &n, force)) |
04925e1e | 841 | break; |
9c8ebd6a DJ |
842 | EOF |
843 | fi | |
844 | if [ "x${NATIVE}" = xyes ] ; then | |
845 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
846 | if (command_line.rpath_link == NULL |
847 | && command_line.rpath == NULL) | |
848 | { | |
849 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
e56f61be | 850 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, |
04925e1e AM |
851 | force)) |
852 | break; | |
853 | } | |
04925e1e | 854 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
e56f61be | 855 | if (gld${EMULATION_NAME}_search_needed (lib_path, &n, force)) |
04925e1e | 856 | break; |
9c8ebd6a DJ |
857 | EOF |
858 | fi | |
859 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
860 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 861 | found = 0; |
6dd8c765 L |
862 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
863 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 864 | { |
9c8ebd6a | 865 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 866 | found = (rp->by == l->by |
9c8ebd6a | 867 | && gld${EMULATION_NAME}_search_needed (tmpname, |
e56f61be | 868 | &n, |
ec4eb78a | 869 | force)); |
9c8ebd6a | 870 | free (tmpname); |
ec4eb78a L |
871 | } |
872 | if (found) | |
873 | break; | |
874 | ||
04925e1e | 875 | EOF |
04925e1e AM |
876 | fi |
877 | cat >>e${EMULATION_NAME}.c <<EOF | |
878 | len = strlen (l->name); | |
879 | for (search = search_head; search != NULL; search = search->next) | |
880 | { | |
881 | char *filename; | |
252b5132 | 882 | |
04925e1e AM |
883 | if (search->cmdline) |
884 | continue; | |
885 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
886 | sprintf (filename, "%s/%s", search->name, l->name); | |
e56f61be L |
887 | nn.name = filename; |
888 | if (gld${EMULATION_NAME}_try_needed (&nn, force)) | |
04925e1e AM |
889 | break; |
890 | free (filename); | |
891 | } | |
892 | if (search != NULL) | |
893 | break; | |
894 | EOF | |
9c8ebd6a DJ |
895 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
896 | case ${target} in | |
897 | *-*-linux-gnu*) | |
898 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
899 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
900 | break; | |
901 | EOF | |
9c8ebd6a DJ |
902 | # Linux |
903 | ;; | |
04925e1e AM |
904 | esac |
905 | fi | |
906 | cat >>e${EMULATION_NAME}.c <<EOF | |
907 | } | |
252b5132 | 908 | |
04925e1e AM |
909 | if (force < 2) |
910 | continue; | |
252b5132 | 911 | |
e374f1d9 | 912 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
913 | l->name, l->by); |
914 | } | |
915 | } | |
252b5132 | 916 | |
41392f03 AM |
917 | EOF |
918 | fi | |
919 | ||
920 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 921 | |
04925e1e | 922 | /* Look through an expression for an assignment statement. */ |
252b5132 | 923 | |
04925e1e | 924 | static void |
0c7a8e5a | 925 | gld${EMULATION_NAME}_find_exp_assignment (etree_type *exp) |
04925e1e AM |
926 | { |
927 | struct bfd_link_hash_entry *h; | |
928 | ||
929 | switch (exp->type.node_class) | |
252b5132 | 930 | { |
04925e1e AM |
931 | case etree_provide: |
932 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 933 | FALSE, FALSE, FALSE); |
04925e1e AM |
934 | if (h == NULL) |
935 | break; | |
252b5132 | 936 | |
04925e1e AM |
937 | /* We call record_link_assignment even if the symbol is defined. |
938 | This is because if it is defined by a dynamic object, we | |
939 | actually want to use the value defined by the linker script, | |
940 | not the value from the dynamic object (because we are setting | |
941 | symbols like etext). If the symbol is defined by a regular | |
942 | object, then, as it happens, calling record_link_assignment | |
943 | will do no harm. */ | |
944 | ||
945 | /* Fall through. */ | |
946 | case etree_assign: | |
947 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 948 | { |
efdffbe2 | 949 | if (! (bfd_elf_record_link_assignment |
04925e1e | 950 | (output_bfd, &link_info, exp->assign.dst, |
b34976b6 | 951 | exp->type.node_class == etree_provide ? TRUE : FALSE))) |
04925e1e AM |
952 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
953 | exp->assign.dst); | |
252b5132 | 954 | } |
04925e1e AM |
955 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
956 | break; | |
252b5132 | 957 | |
04925e1e AM |
958 | case etree_binary: |
959 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
960 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
961 | break; | |
252b5132 | 962 | |
04925e1e AM |
963 | case etree_trinary: |
964 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
965 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
966 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
967 | break; | |
252b5132 | 968 | |
04925e1e AM |
969 | case etree_unary: |
970 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
971 | break; | |
252b5132 | 972 | |
04925e1e AM |
973 | default: |
974 | break; | |
252b5132 RH |
975 | } |
976 | } | |
977 | ||
04925e1e AM |
978 | |
979 | /* This is called by the before_allocation routine via | |
980 | lang_for_each_statement. It locates any assignment statements, and | |
981 | tells the ELF backend about them, in case they are assignments to | |
982 | symbols which are referred to by dynamic objects. */ | |
983 | ||
984 | static void | |
0c7a8e5a | 985 | gld${EMULATION_NAME}_find_statement_assignment (lang_statement_union_type *s) |
04925e1e AM |
986 | { |
987 | if (s->header.type == lang_assignment_statement_enum) | |
988 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
989 | } | |
990 | ||
41392f03 AM |
991 | EOF |
992 | ||
993 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
994 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
995 | ELF_INTERPRETER_SET_DEFAULT=" | |
996 | if (sinterp != NULL) | |
997 | { | |
998 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
eea6121a | 999 | sinterp->size = strlen (sinterp->contents) + 1; |
57e6abd2 AO |
1000 | } |
1001 | ||
1002 | " | |
1003 | else | |
1004 | ELF_INTERPRETER_SET_DEFAULT= | |
1005 | fi | |
41392f03 | 1006 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 1007 | |
252b5132 RH |
1008 | /* This is called after the sections have been attached to output |
1009 | sections, but before any sizes or addresses have been set. */ | |
1010 | ||
1011 | static void | |
0c7a8e5a | 1012 | gld${EMULATION_NAME}_before_allocation (void) |
252b5132 RH |
1013 | { |
1014 | const char *rpath; | |
1015 | asection *sinterp; | |
1016 | ||
fd574c46 | 1017 | if (link_info.hash->type == bfd_link_elf_hash_table) |
e1918d23 AM |
1018 | _bfd_elf_tls_setup (output_bfd, &link_info); |
1019 | ||
252b5132 RH |
1020 | /* If we are going to make any variable assignments, we need to let |
1021 | the ELF backend know about them in case the variables are | |
1022 | referred to by dynamic objects. */ | |
1023 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
1024 | ||
1025 | /* Let the ELF backend work out the sizes of any sections required | |
1026 | by dynamic linking. */ | |
1027 | rpath = command_line.rpath; | |
1028 | if (rpath == NULL) | |
1029 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
5a580b3a | 1030 | if (! (bfd_elf_size_dynamic_sections |
0c7a8e5a | 1031 | (output_bfd, command_line.soname, rpath, |
605d9b3a | 1032 | command_line.filter_shlib, |
252b5132 RH |
1033 | (const char * const *) command_line.auxiliary_filters, |
1034 | &link_info, &sinterp, lang_elf_version_info))) | |
1035 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 1036 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
1037 | /* Let the user override the dynamic linker we are using. */ |
1038 | if (command_line.interpreter != NULL | |
1039 | && sinterp != NULL) | |
1040 | { | |
1041 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
eea6121a | 1042 | sinterp->size = strlen (command_line.interpreter) + 1; |
252b5132 RH |
1043 | } |
1044 | ||
1045 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
1046 | we treat such sections as containing warning messages. We print | |
1047 | out the warning message, and then zero out the section size so | |
1048 | that it does not get copied into the output file. */ | |
1049 | ||
1050 | { | |
1051 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
1052 | { | |
1053 | asection *s; | |
1054 | bfd_size_type sz; | |
8c675694 | 1055 | bfd_size_type prefix_len; |
252b5132 | 1056 | char *msg; |
b34976b6 | 1057 | bfd_boolean ret; |
8c675694 | 1058 | const char * gnu_warning_prefix = _("warning: "); |
252b5132 RH |
1059 | |
1060 | if (is->just_syms_flag) | |
1061 | continue; | |
1062 | ||
1063 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
1064 | if (s == NULL) | |
1065 | continue; | |
1066 | ||
eea6121a | 1067 | sz = s->size; |
8c675694 NC |
1068 | prefix_len = strlen (gnu_warning_prefix); |
1069 | msg = xmalloc ((size_t) (prefix_len + sz + 1)); | |
1070 | strcpy (msg, gnu_warning_prefix); | |
1071 | if (! bfd_get_section_contents (is->the_bfd, s, msg + prefix_len, | |
1072 | (file_ptr) 0, sz)) | |
252b5132 RH |
1073 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
1074 | is->the_bfd); | |
8c675694 | 1075 | msg[prefix_len + sz] = '\0'; |
252b5132 RH |
1076 | ret = link_info.callbacks->warning (&link_info, msg, |
1077 | (const char *) NULL, | |
1078 | is->the_bfd, (asection *) NULL, | |
1079 | (bfd_vma) 0); | |
1080 | ASSERT (ret); | |
1081 | free (msg); | |
1082 | ||
1083 | /* Clobber the section size, so that we don't waste copying the | |
1084 | warning into the output file. */ | |
eea6121a | 1085 | s->size = 0; |
252b5132 RH |
1086 | } |
1087 | } | |
1088 | } | |
1089 | ||
41392f03 AM |
1090 | EOF |
1091 | fi | |
1092 | ||
1093 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
1094 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1095 | |
04925e1e AM |
1096 | /* Try to open a dynamic archive. This is where we know that ELF |
1097 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
1098 | like hpux). */ | |
1099 | ||
b34976b6 | 1100 | static bfd_boolean |
0c7a8e5a AM |
1101 | gld${EMULATION_NAME}_open_dynamic_archive |
1102 | (const char *arch, search_dirs_type *search, lang_input_statement_type *entry) | |
252b5132 | 1103 | { |
04925e1e AM |
1104 | const char *filename; |
1105 | char *string; | |
252b5132 | 1106 | |
04925e1e | 1107 | if (! entry->is_archive) |
b34976b6 | 1108 | return FALSE; |
252b5132 | 1109 | |
04925e1e | 1110 | filename = entry->filename; |
252b5132 | 1111 | |
04925e1e AM |
1112 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
1113 | is defined, but it does not seem worth the headache to optimize | |
1114 | away those two bytes of space. */ | |
1115 | string = (char *) xmalloc (strlen (search->name) | |
1116 | + strlen (filename) | |
1117 | + strlen (arch) | |
1118 | #ifdef EXTRA_SHLIB_EXTENSION | |
1119 | + strlen (EXTRA_SHLIB_EXTENSION) | |
1120 | #endif | |
1121 | + sizeof "/lib.so"); | |
1122 | ||
1123 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
1124 | ||
1125 | #ifdef EXTRA_SHLIB_EXTENSION | |
1126 | /* Try the .so extension first. If that fails build a new filename | |
1127 | using EXTRA_SHLIB_EXTENSION. */ | |
1128 | if (! ldfile_try_open_bfd (string, entry)) | |
1129 | sprintf (string, "%s/lib%s%s%s", search->name, | |
1130 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
1131 | #endif | |
1132 | ||
1133 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1134 | { |
04925e1e | 1135 | free (string); |
b34976b6 | 1136 | return FALSE; |
04925e1e | 1137 | } |
252b5132 | 1138 | |
04925e1e | 1139 | entry->filename = string; |
252b5132 | 1140 | |
04925e1e AM |
1141 | /* We have found a dynamic object to include in the link. The ELF |
1142 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1143 | section naming this file. If this file includes a DT_SONAME | |
1144 | entry, it will be used. Otherwise, the ELF linker will just use | |
1145 | the name of the file. For an archive found by searching, like | |
1146 | this one, the DT_NEEDED entry should consist of just the name of | |
1147 | the file, without the path information used to find it. Note | |
1148 | that we only need to do this if we have a dynamic object; an | |
1149 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1150 | |
04925e1e AM |
1151 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1152 | very pretty. I haven't been able to think of anything that is | |
1153 | pretty, though. */ | |
1154 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1155 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1156 | { | |
04925e1e | 1157 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1158 | |
04925e1e | 1159 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1160 | filename we recorded earlier. */ |
04925e1e | 1161 | |
fed2999d | 1162 | filename = lbasename (entry->filename); |
1c9acd94 | 1163 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1164 | } |
1165 | ||
b34976b6 | 1166 | return TRUE; |
04925e1e AM |
1167 | } |
1168 | ||
41392f03 AM |
1169 | EOF |
1170 | fi | |
cde43e70 AM |
1171 | |
1172 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1173 | cat >>e${EMULATION_NAME}.c <<EOF |
1174 | ||
1175 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 1176 | |
04925e1e | 1177 | static lang_output_section_statement_type * |
2a36a117 | 1178 | output_rel_find (asection *sec, int isdyn) |
04925e1e AM |
1179 | { |
1180 | lang_statement_union_type *u; | |
1181 | lang_output_section_statement_type *lookup; | |
ba493122 | 1182 | lang_output_section_statement_type *last = NULL; |
2a36a117 | 1183 | lang_output_section_statement_type *last_alloc = NULL; |
ba493122 AM |
1184 | lang_output_section_statement_type *last_rel = NULL; |
1185 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1186 | int rela = sec->name[4] == 'a'; |
04925e1e | 1187 | |
ba493122 | 1188 | for (u = lang_output_section_statement.head; u; u = lookup->next) |
04925e1e AM |
1189 | { |
1190 | lookup = &u->output_section_statement; | |
0841712e JJ |
1191 | if (lookup->constraint != -1 |
1192 | && strncmp (".rel", lookup->name, 4) == 0) | |
04925e1e | 1193 | { |
24cdb50a | 1194 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1195 | |
2a36a117 AM |
1196 | /* .rel.dyn must come before all other reloc sections, to suit |
1197 | GNU ld.so. */ | |
1198 | if (isdyn) | |
1199 | break; | |
1200 | ||
1201 | /* Don't place after .rel.plt as doing so results in wrong | |
1202 | dynamic tags. */ | |
1203 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0) | |
ba493122 | 1204 | break; |
2a36a117 AM |
1205 | |
1206 | if (rela == lookrela || last_rel == NULL) | |
24cdb50a | 1207 | last_rel = lookup; |
2a36a117 AM |
1208 | if ((rela == lookrela || last_rel_alloc == NULL) |
1209 | && lookup->bfd_section != NULL | |
ba493122 AM |
1210 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
1211 | last_rel_alloc = lookup; | |
04925e1e | 1212 | } |
2a36a117 AM |
1213 | |
1214 | last = lookup; | |
1215 | if (lookup->bfd_section != NULL | |
1216 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1217 | last_alloc = lookup; | |
252b5132 | 1218 | } |
ba493122 AM |
1219 | |
1220 | if (last_rel_alloc) | |
1221 | return last_rel_alloc; | |
1222 | ||
1223 | if (last_rel) | |
1224 | return last_rel; | |
1225 | ||
2a36a117 AM |
1226 | if (last_alloc) |
1227 | return last_alloc; | |
1228 | ||
ba493122 | 1229 | return last; |
252b5132 RH |
1230 | } |
1231 | ||
95500e1c JJ |
1232 | /* Find the last output section before given output statement. |
1233 | Used by place_orphan. */ | |
1234 | ||
1235 | static asection * | |
0c7a8e5a | 1236 | output_prev_sec_find (lang_output_section_statement_type *os) |
95500e1c JJ |
1237 | { |
1238 | asection *s = (asection *) NULL; | |
1239 | lang_statement_union_type *u; | |
1240 | lang_output_section_statement_type *lookup; | |
1241 | ||
1242 | for (u = lang_output_section_statement.head; | |
1243 | u != (lang_statement_union_type *) NULL; | |
1244 | u = lookup->next) | |
1245 | { | |
1246 | lookup = &u->output_section_statement; | |
1247 | if (lookup == os) | |
cde43e70 AM |
1248 | return s; |
1249 | ||
1250 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1251 | s = lookup->bfd_section; |
1252 | } | |
1253 | ||
cde43e70 | 1254 | return NULL; |
95500e1c JJ |
1255 | } |
1256 | ||
252b5132 RH |
1257 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1258 | sections in the right segment. */ | |
1259 | ||
41392f03 | 1260 | struct orphan_save { |
6a345e87 | 1261 | lang_output_section_statement_type *os; |
5ba47421 | 1262 | asection **section; |
6a345e87 | 1263 | lang_statement_union_type **stmt; |
1e5e5400 | 1264 | lang_statement_union_type **os_tail; |
6a345e87 | 1265 | }; |
252b5132 | 1266 | |
b34976b6 | 1267 | static bfd_boolean |
0c7a8e5a | 1268 | gld${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s) |
252b5132 | 1269 | { |
aea4bd9d AM |
1270 | static struct orphan_save hold_text; |
1271 | static struct orphan_save hold_rodata; | |
1272 | static struct orphan_save hold_data; | |
1273 | static struct orphan_save hold_bss; | |
1274 | static struct orphan_save hold_rel; | |
1275 | static struct orphan_save hold_interp; | |
c940e6fc | 1276 | static struct orphan_save hold_sdata; |
f9989030 | 1277 | static int count = 1; |
6a345e87 | 1278 | struct orphan_save *place; |
71bfc0ae | 1279 | lang_statement_list_type *old; |
252b5132 RH |
1280 | lang_statement_list_type add; |
1281 | etree_type *address; | |
a854a4a7 | 1282 | const char *secname; |
a854a4a7 | 1283 | const char *ps = NULL; |
252b5132 | 1284 | lang_output_section_statement_type *os; |
1e5e5400 | 1285 | lang_statement_union_type **os_tail; |
36478e9d | 1286 | etree_type *load_base; |
24cdb50a | 1287 | int isdyn = 0; |
9f61903d | 1288 | asection *sec; |
252b5132 | 1289 | |
aea4bd9d | 1290 | secname = bfd_get_section_name (s->owner, s); |
9f61903d | 1291 | |
1049f94e | 1292 | if (! link_info.relocatable |
24cdb50a | 1293 | && link_info.combreloc |
a8927cfd | 1294 | && (s->flags & SEC_ALLOC) |
24cdb50a AM |
1295 | && strncmp (secname, ".rel", 4) == 0) |
1296 | { | |
1297 | if (secname[4] == 'a') | |
1298 | secname = ".rela.dyn"; | |
1299 | else | |
1300 | secname = ".rel.dyn"; | |
1301 | isdyn = 1; | |
1302 | } | |
aea4bd9d | 1303 | |
d0d6a25b | 1304 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (s))) |
252b5132 | 1305 | { |
6d02a667 | 1306 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1307 | os = lang_output_section_find (secname); |
1308 | ||
1309 | if (os != NULL | |
0f33d40b AM |
1310 | && (os->bfd_section == NULL |
1311 | || ((s->flags ^ os->bfd_section->flags) | |
1312 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1313 | { |
0f33d40b | 1314 | /* We already have an output section statement with this |
22af9fd3 | 1315 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1316 | lang_add_section (&os->children, s, os, file); |
b34976b6 | 1317 | return TRUE; |
a854a4a7 | 1318 | } |
252b5132 RH |
1319 | } |
1320 | ||
aea4bd9d AM |
1321 | if (hold_text.os == NULL) |
1322 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1323 | |
1324 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1325 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1326 | if (link_info.executable |
1049f94e | 1327 | && ! link_info.relocatable |
252b5132 | 1328 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 |
6a345e87 | 1329 | && hold_text.os != NULL) |
252b5132 | 1330 | { |
39dcfe18 | 1331 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
b34976b6 | 1332 | return TRUE; |
252b5132 RH |
1333 | } |
1334 | ||
1335 | /* Decide which segment the section should go in based on the | |
1336 | section name and section flags. We put loadable .note sections | |
1337 | right after the .interp section, so that the PT_NOTE segment is | |
1338 | stored right after the program headers where the OS can read it | |
1339 | in the first page. */ | |
aea4bd9d AM |
1340 | #define HAVE_SECTION(hold, name) \ |
1341 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1342 | ||
71bfc0ae AM |
1343 | place = NULL; |
1344 | if ((s->flags & SEC_ALLOC) == 0) | |
1345 | ; | |
252b5132 | 1346 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1347 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1348 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1349 | place = &hold_interp; |
252b5132 | 1350 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1351 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1352 | place = &hold_bss; |
c940e6fc JW |
1353 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1354 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1355 | place = &hold_sdata; | |
252b5132 | 1356 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1357 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1358 | place = &hold_data; |
252b5132 | 1359 | else if (strncmp (secname, ".rel", 4) == 0 |
ba493122 | 1360 | && (s->flags & SEC_LOAD) != 0 |
aea4bd9d | 1361 | && (hold_rel.os != NULL |
2a36a117 | 1362 | || (hold_rel.os = output_rel_find (s, isdyn)) != NULL)) |
ba493122 | 1363 | place = &hold_rel; |
71bfc0ae | 1364 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1365 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1366 | place = &hold_rodata; |
71bfc0ae | 1367 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1368 | && hold_text.os != NULL) |
1369 | place = &hold_text; | |
252b5132 | 1370 | |
aea4bd9d AM |
1371 | #undef HAVE_SECTION |
1372 | ||
252b5132 RH |
1373 | /* Choose a unique name for the section. This will be needed if the |
1374 | same section name appears in the input file with different | |
9f61903d NC |
1375 | loadable or allocatable characteristics. But if the section |
1376 | already exists but does not have any flags set, then it has been | |
63cf1d37 | 1377 | created by the linker, probably as a result of a --section-start |
9f61903d NC |
1378 | command line switch. */ |
1379 | if ((sec = bfd_get_section_by_name (output_bfd, secname)) != NULL | |
1380 | && bfd_get_section_flags (output_bfd, sec) != 0) | |
b3ea3584 | 1381 | { |
24cdb50a AM |
1382 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); |
1383 | if (secname == NULL) | |
b3ea3584 AM |
1384 | einfo ("%F%P: place_orphan failed: %E\n"); |
1385 | } | |
252b5132 | 1386 | |
71bfc0ae AM |
1387 | /* Start building a list of statements for this section. |
1388 | First save the current statement pointer. */ | |
1389 | old = stat_ptr; | |
1390 | ||
1391 | /* If we have found an appropriate place for the output section | |
1392 | statements for this orphan, add them to our own private list, | |
1393 | inserting them later into the global statement list. */ | |
5ba47421 | 1394 | if (place != NULL) |
252b5132 | 1395 | { |
5ba47421 AM |
1396 | stat_ptr = &add; |
1397 | lang_list_init (stat_ptr); | |
71bfc0ae | 1398 | } |
5ba47421 | 1399 | |
71bfc0ae AM |
1400 | if (config.build_constructors) |
1401 | { | |
5ba47421 AM |
1402 | /* If the name of the section is representable in C, then create |
1403 | symbols to mark the start and the end of the section. */ | |
24cdb50a | 1404 | for (ps = secname; *ps != '\0'; ps++) |
3882b010 | 1405 | if (! ISALNUM (*ps) && *ps != '_') |
5ba47421 | 1406 | break; |
71bfc0ae | 1407 | if (*ps == '\0') |
5ba47421 AM |
1408 | { |
1409 | char *symname; | |
1410 | etree_type *e_align; | |
1411 | ||
24cdb50a AM |
1412 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); |
1413 | sprintf (symname, "__start_%s", secname); | |
5ba47421 AM |
1414 | e_align = exp_unop (ALIGN_K, |
1415 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1416 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1417 | } | |
252b5132 RH |
1418 | } |
1419 | ||
36478e9d | 1420 | address = NULL; |
1049f94e | 1421 | if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1422 | address = exp_intop ((bfd_vma) 0); |
36478e9d AM |
1423 | |
1424 | load_base = NULL; | |
1425 | if (place != NULL && place->os->load_base != NULL) | |
1426 | { | |
1427 | etree_type *lma_from_vma; | |
1428 | lma_from_vma = exp_binop ('-', place->os->load_base, | |
1429 | exp_nameop (ADDR, place->os->name)); | |
1430 | load_base = exp_binop ('+', lma_from_vma, | |
1431 | exp_nameop (ADDR, secname)); | |
1432 | } | |
252b5132 | 1433 | |
1e5e5400 | 1434 | os_tail = lang_output_section_statement.tail; |
24cdb50a | 1435 | os = lang_enter_output_section_statement (secname, address, 0, |
aea4bd9d AM |
1436 | (etree_type *) NULL, |
1437 | (etree_type *) NULL, | |
0841712e | 1438 | load_base, 0); |
252b5132 | 1439 | |
39dcfe18 | 1440 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1441 | |
20d04697 L |
1442 | lang_leave_output_section_statement |
1443 | ((bfd_vma) 0, "*default*", | |
ee3cc2e2 | 1444 | (struct lang_output_section_phdr_list *) NULL, NULL); |
20d04697 | 1445 | |
71bfc0ae | 1446 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1447 | { |
71bfc0ae | 1448 | char *symname; |
252b5132 | 1449 | |
71bfc0ae AM |
1450 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1451 | stat_ptr back where we want it. */ | |
1452 | if (place != NULL) | |
1453 | stat_ptr = &add; | |
252b5132 | 1454 | |
24cdb50a AM |
1455 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); |
1456 | sprintf (symname, "__stop_%s", secname); | |
71bfc0ae AM |
1457 | lang_add_assignment (exp_assop ('=', symname, |
1458 | exp_nameop (NAME, "."))); | |
1459 | } | |
5ba47421 | 1460 | |
71bfc0ae AM |
1461 | /* Restore the global list pointer. */ |
1462 | stat_ptr = old; | |
1463 | ||
25844aae | 1464 | if (place != NULL && os->bfd_section != NULL) |
71bfc0ae | 1465 | { |
cde43e70 | 1466 | asection *snew, **pps; |
5ba47421 AM |
1467 | |
1468 | snew = os->bfd_section; | |
95500e1c | 1469 | |
cde43e70 AM |
1470 | /* Shuffle the bfd section list to make the output file look |
1471 | neater. This is really only cosmetic. */ | |
1472 | if (place->section == NULL) | |
5ba47421 | 1473 | { |
cde43e70 | 1474 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1475 | |
cde43e70 AM |
1476 | /* If the output statement hasn't been used to place |
1477 | any input sections (and thus doesn't have an output | |
1478 | bfd_section), look for the closest prior output statement | |
1479 | having an output section. */ | |
1480 | if (bfd_section == NULL) | |
1481 | bfd_section = output_prev_sec_find (place->os); | |
1482 | ||
1483 | if (bfd_section != NULL && bfd_section != snew) | |
1484 | place->section = &bfd_section->next; | |
1485 | } | |
1486 | ||
1487 | if (place->section != NULL) | |
1488 | { | |
3dfe7a8c | 1489 | /* Unlink the section. */ |
5ba47421 AM |
1490 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
1491 | ; | |
3dfe7a8c | 1492 | bfd_section_list_remove (output_bfd, pps); |
5ba47421 AM |
1493 | |
1494 | /* Now tack it on to the "place->os" section list. */ | |
3dfe7a8c | 1495 | bfd_section_list_insert (output_bfd, place->section, snew); |
5ba47421 | 1496 | } |
5ba47421 | 1497 | |
cde43e70 AM |
1498 | /* Save the end of this list. Further ophans of this type will |
1499 | follow the one we've just added. */ | |
1500 | place->section = &snew->next; | |
1501 | ||
1502 | /* The following is non-cosmetic. We try to put the output | |
1503 | statements in some sort of reasonable order here, because | |
1504 | they determine the final load addresses of the orphan | |
1505 | sections. In addition, placing output statements in the | |
1506 | wrong order may require extra segments. For instance, | |
1507 | given a typical situation of all read-only sections placed | |
1508 | in one segment and following that a segment containing all | |
1509 | the read-write sections, we wouldn't want to place an orphan | |
1510 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1511 | if (add.head != NULL) |
01cc8ff8 | 1512 | { |
1e5e5400 AM |
1513 | lang_statement_union_type *newly_added_os; |
1514 | ||
ed15ac6a AM |
1515 | if (place->stmt == NULL) |
1516 | { | |
1517 | /* Put the new statement list right at the head. */ | |
1518 | *add.tail = place->os->header.next; | |
1519 | place->os->header.next = add.head; | |
1e5e5400 AM |
1520 | |
1521 | place->os_tail = &place->os->next; | |
ed15ac6a AM |
1522 | } |
1523 | else | |
1524 | { | |
1525 | /* Put it after the last orphan statement we added. */ | |
1526 | *add.tail = *place->stmt; | |
1527 | *place->stmt = add.head; | |
1528 | } | |
71bfc0ae | 1529 | |
ed15ac6a AM |
1530 | /* Fix the global list pointer if we happened to tack our |
1531 | new list at the tail. */ | |
1532 | if (*old->tail == add.head) | |
1533 | old->tail = add.tail; | |
71bfc0ae | 1534 | |
ed15ac6a AM |
1535 | /* Save the end of this list. */ |
1536 | place->stmt = add.tail; | |
1e5e5400 AM |
1537 | |
1538 | /* Do the same for the list of output section statements. */ | |
1539 | newly_added_os = *os_tail; | |
1540 | *os_tail = NULL; | |
1541 | newly_added_os->output_section_statement.next = *place->os_tail; | |
1542 | *place->os_tail = newly_added_os; | |
1543 | place->os_tail = &newly_added_os->output_section_statement.next; | |
1544 | ||
1545 | /* Fixing the global list pointer here is a little different. | |
1546 | We added to the list in lang_enter_output_section_statement, | |
1547 | trimmed off the new output_section_statment above when | |
1548 | assigning *os_tail = NULL, but possibly added it back in | |
1549 | the same place when assigning *place->os_tail. */ | |
1550 | if (*os_tail == NULL) | |
1551 | lang_output_section_statement.tail = os_tail; | |
ed15ac6a | 1552 | } |
6a345e87 | 1553 | } |
252b5132 | 1554 | |
b34976b6 | 1555 | return TRUE; |
252b5132 | 1556 | } |
c56feb2b AM |
1557 | EOF |
1558 | fi | |
1559 | ||
1560 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1561 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1562 | |
73d074b4 | 1563 | static void |
0c7a8e5a | 1564 | gld${EMULATION_NAME}_finish (void) |
73d074b4 | 1565 | { |
7a945db6 | 1566 | if (bfd_elf_discard_info (output_bfd, &link_info)) |
73d074b4 | 1567 | { |
e3dc8847 HPN |
1568 | lang_reset_memory_regions (); |
1569 | ||
73d074b4 DJ |
1570 | /* Resize the sections. */ |
1571 | lang_size_sections (stat_ptr->head, abs_output_section, | |
cf888e70 | 1572 | &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE); |
73d074b4 DJ |
1573 | |
1574 | /* Redo special stuff. */ | |
1575 | ldemul_after_allocation (); | |
1576 | ||
1577 | /* Do the assignments again. */ | |
1578 | lang_do_assignments (stat_ptr->head, abs_output_section, | |
2c382fb6 | 1579 | (fill_type *) 0, (bfd_vma) 0); |
73d074b4 DJ |
1580 | } |
1581 | } | |
41392f03 AM |
1582 | EOF |
1583 | fi | |
1584 | ||
1585 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1586 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1587 | |
1588 | static char * | |
0c7a8e5a | 1589 | gld${EMULATION_NAME}_get_script (int *isfile) |
252b5132 RH |
1590 | EOF |
1591 | ||
1592 | if test -n "$COMPILE_IN" | |
1593 | then | |
1594 | # Scripts compiled in. | |
1595 | ||
1596 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1597 | sc="-f stringify.sed" |
252b5132 RH |
1598 | |
1599 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1600 | { |
252b5132 RH |
1601 | *isfile = 0; |
1602 | ||
1049f94e | 1603 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1604 | return |
252b5132 | 1605 | EOF |
b34976b6 | 1606 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1049f94e | 1607 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c |
b34976b6 AM |
1608 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
1609 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1610 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1611 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
b34976b6 AM |
1612 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1613 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1614 | fi |
36af4a4e JJ |
1615 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1616 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
8c37241b JJ |
1617 | echo ' ; else if (link_info.pie && link_info.combreloc' >> e${EMULATION_NAME}.c |
1618 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1619 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
1620 | sed $sc ldscripts/${EMULATION_NAME}.xdw >> e${EMULATION_NAME}.c | |
36af4a4e JJ |
1621 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1622 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c | |
1623 | fi | |
1624 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c | |
1625 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
1626 | fi | |
252b5132 | 1627 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1628 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1629 | echo ' ; else if (link_info.shared && link_info.combreloc' >> e${EMULATION_NAME}.c |
1630 | echo ' && link_info.relro' >> e${EMULATION_NAME}.c | |
1631 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
1632 | sed $sc ldscripts/${EMULATION_NAME}.xsw >> e${EMULATION_NAME}.c | |
db6751f2 | 1633 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
b34976b6 | 1634 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1635 | fi |
b34976b6 AM |
1636 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1637 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1638 | fi |
82434356 | 1639 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
8c37241b JJ |
1640 | echo ' ; else if (link_info.combreloc && link_info.relro' >> e${EMULATION_NAME}.c |
1641 | echo ' && (link_info.flags & DT_BIND_NOW)) return' >> e${EMULATION_NAME}.c | |
1642 | sed $sc ldscripts/${EMULATION_NAME}.xw >> e${EMULATION_NAME}.c | |
b34976b6 AM |
1643 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1644 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1645 | fi |
b34976b6 AM |
1646 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1647 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1648 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1649 | |
1650 | else | |
1651 | # Scripts read from the filesystem. | |
1652 | ||
1653 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1654 | { |
252b5132 RH |
1655 | *isfile = 1; |
1656 | ||
1049f94e | 1657 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1658 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1659 | else if (link_info.relocatable) |
252b5132 RH |
1660 | return "ldscripts/${EMULATION_NAME}.xr"; |
1661 | else if (!config.text_read_only) | |
1662 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
1663 | EOF |
1664 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
1665 | else | |
1666 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1667 | else if (!config.magic_demand_paged) |
1668 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
1669 | EOF |
1670 | fi | |
36af4a4e JJ |
1671 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1672 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1673 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1674 | else if (link_info.pie && link_info.combreloc |
1675 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1676 | return "ldscripts/${EMULATION_NAME}.xdw"; | |
36af4a4e JJ |
1677 | else if (link_info.pie && link_info.combreloc) |
1678 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
1679 | EOF | |
1680 | fi | |
1681 | cat >>e${EMULATION_NAME}.c <<EOF | |
1682 | else if (link_info.pie) | |
1683 | return "ldscripts/${EMULATION_NAME}.xd"; | |
1684 | EOF | |
1685 | fi | |
a060b769 AM |
1686 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
1687 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1688 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1689 | else if (link_info.shared && link_info.combreloc |
1690 | && link_info.relro && (link_info.flags & DT_BIND_NOW)) | |
1691 | return "ldscripts/${EMULATION_NAME}.xsw"; | |
a060b769 AM |
1692 | else if (link_info.shared && link_info.combreloc) |
1693 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
1694 | EOF | |
1695 | fi | |
1696 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1697 | else if (link_info.shared) |
1698 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
1699 | EOF |
1700 | fi | |
1701 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1702 | cat >>e${EMULATION_NAME}.c <<EOF | |
8c37241b JJ |
1703 | else if (link_info.combreloc && link_info.relro |
1704 | && (link_info.flags & DT_BIND_NOW)) | |
1705 | return "ldscripts/${EMULATION_NAME}.xw"; | |
a060b769 AM |
1706 | else if (link_info.combreloc) |
1707 | return "ldscripts/${EMULATION_NAME}.xc"; | |
1708 | EOF | |
1709 | fi | |
1710 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1711 | else |
1712 | return "ldscripts/${EMULATION_NAME}.x"; | |
1713 | } | |
252b5132 | 1714 | |
3b108066 | 1715 | EOF |
41392f03 AM |
1716 | fi |
1717 | fi | |
3b108066 | 1718 | |
41392f03 | 1719 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1720 | |
e0ee487b L |
1721 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1722 | cat >>e${EMULATION_NAME}.c <<EOF | |
1723 | $PARSE_AND_LIST_PROLOGUE | |
1724 | EOF | |
1725 | fi | |
1726 | ||
e0ee487b L |
1727 | cat >>e${EMULATION_NAME}.c <<EOF |
1728 | ||
6c1439be L |
1729 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1730 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1731 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1732 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
6c1439be | 1733 | |
3bcf5557 | 1734 | static void |
0c7a8e5a AM |
1735 | gld${EMULATION_NAME}_add_options |
1736 | (int ns, char **shortopts, int nl, struct option **longopts, | |
1737 | int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED) | |
e0ee487b | 1738 | { |
3bcf5557 AM |
1739 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; |
1740 | static const struct option xtra_long[] = { | |
e0ee487b | 1741 | EOF |
e0ee487b L |
1742 | |
1743 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1744 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 AM |
1745 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1746 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
1747 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
1748 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1749 | EOF |
1750 | fi | |
1751 | ||
1752 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1753 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 | 1754 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
1755 | EOF |
1756 | fi | |
1757 | ||
e0ee487b | 1758 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1759 | {NULL, no_argument, NULL, 0} |
1760 | }; | |
1761 | ||
1762 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
1763 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
1764 | *longopts = (struct option *) | |
1765 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
1766 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
1767 | } | |
04925e1e | 1768 | |
3bcf5557 | 1769 | static bfd_boolean |
0c7a8e5a | 1770 | gld${EMULATION_NAME}_handle_option (int optc) |
e0ee487b | 1771 | { |
e0ee487b L |
1772 | switch (optc) |
1773 | { | |
1774 | default: | |
3bcf5557 | 1775 | return FALSE; |
6c1439be | 1776 | |
e0ee487b | 1777 | EOF |
e0ee487b L |
1778 | |
1779 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1780 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1781 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1782 | link_info.new_dtags = FALSE; |
6c1439be L |
1783 | break; |
1784 | ||
1785 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1786 | link_info.new_dtags = TRUE; |
6c1439be L |
1787 | break; |
1788 | ||
65765700 | 1789 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1790 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1791 | break; |
1792 | ||
a1ab1d2a UD |
1793 | case OPTION_GROUP: |
1794 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1795 | /* Groups must be self-contained. */ | |
560e09e9 NC |
1796 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
1797 | link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; | |
a1ab1d2a UD |
1798 | break; |
1799 | ||
e0ee487b L |
1800 | case 'z': |
1801 | if (strcmp (optarg, "initfirst") == 0) | |
1802 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1803 | else if (strcmp (optarg, "interpose") == 0) | |
1804 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1805 | else if (strcmp (optarg, "loadfltr") == 0) | |
1806 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1807 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1808 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1809 | else if (strcmp (optarg, "nodelete") == 0) | |
1810 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1811 | else if (strcmp (optarg, "nodlopen") == 0) | |
1812 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1813 | else if (strcmp (optarg, "nodump") == 0) | |
1814 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1815 | else if (strcmp (optarg, "now") == 0) | |
1816 | { | |
1817 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1818 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1819 | } | |
1820 | else if (strcmp (optarg, "origin") == 0) | |
1821 | { | |
1822 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1823 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1824 | } | |
a1ab1d2a | 1825 | else if (strcmp (optarg, "defs") == 0) |
560e09e9 | 1826 | link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; |
aa713662 | 1827 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1828 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1829 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1830 | link_info.combreloc = TRUE; |
db6751f2 | 1831 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1832 | link_info.combreloc = FALSE; |
8bd621d8 | 1833 | else if (strcmp (optarg, "nocopyreloc") == 0) |
0c7a8e5a | 1834 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
1835 | else if (strcmp (optarg, "execstack") == 0) |
1836 | { | |
1837 | link_info.execstack = TRUE; | |
1838 | link_info.noexecstack = FALSE; | |
1839 | } | |
1840 | else if (strcmp (optarg, "noexecstack") == 0) | |
1841 | { | |
1842 | link_info.noexecstack = TRUE; | |
1843 | link_info.execstack = FALSE; | |
1844 | } | |
8c37241b JJ |
1845 | else if (strcmp (optarg, "relro") == 0) |
1846 | link_info.relro = TRUE; | |
1847 | else if (strcmp (optarg, "norelro") == 0) | |
1848 | link_info.relro = FALSE; | |
e0ee487b | 1849 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1850 | break; |
e0ee487b L |
1851 | EOF |
1852 | fi | |
1853 | ||
1854 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1855 | cat >>e${EMULATION_NAME}.c <<EOF | |
1856 | $PARSE_AND_LIST_ARGS_CASES | |
1857 | EOF | |
1858 | fi | |
1859 | ||
e0ee487b L |
1860 | cat >>e${EMULATION_NAME}.c <<EOF |
1861 | } | |
1862 | ||
3bcf5557 | 1863 | return TRUE; |
e0ee487b L |
1864 | } |
1865 | ||
41392f03 | 1866 | EOF |
41392f03 | 1867 | |
4b209b22 | 1868 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1869 | cat >>e${EMULATION_NAME}.c <<EOF |
1870 | ||
e0ee487b | 1871 | static void |
0c7a8e5a | 1872 | gld${EMULATION_NAME}_list_options (FILE * file) |
e0ee487b L |
1873 | { |
1874 | EOF | |
e0ee487b L |
1875 | |
1876 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1877 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1878 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1879 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1880 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1881 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1882 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
560e09e9 | 1883 | fprintf (file, _(" -z defs\t\tReport unresolved symbols in object files.\n")); |
9ee5e499 | 1884 | fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n")); |
f813923c HPN |
1885 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1886 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1887 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1888 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1889 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1890 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1891 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1892 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1893 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1894 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
10b4329d | 1895 | fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n")); |
8c37241b | 1896 | fprintf (file, _(" -z norelro\t\tDon't create RELRO program header\n")); |
e0ee487b | 1897 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1898 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
8c37241b | 1899 | fprintf (file, _(" -z relro\t\tCreate RELRO program header\n")); |
19e3be22 | 1900 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1901 | EOF |
1902 | fi | |
1903 | ||
1904 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1905 | cat >>e${EMULATION_NAME}.c <<EOF | |
1906 | $PARSE_AND_LIST_OPTIONS | |
1907 | EOF | |
1908 | fi | |
1909 | ||
e0ee487b L |
1910 | cat >>e${EMULATION_NAME}.c <<EOF |
1911 | } | |
1912 | EOF | |
e0ee487b L |
1913 | |
1914 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1915 | cat >>e${EMULATION_NAME}.c <<EOF | |
1916 | $PARSE_AND_LIST_EPILOGUE | |
1917 | EOF | |
1918 | fi | |
41392f03 AM |
1919 | fi |
1920 | else | |
41392f03 | 1921 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1922 | #define gld${EMULATION_NAME}_add_options NULL |
1923 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 1924 | EOF |
4b209b22 | 1925 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1926 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1927 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1928 | EOF |
1929 | fi | |
1930 | fi | |
e0ee487b | 1931 | |
252b5132 RH |
1932 | cat >>e${EMULATION_NAME}.c <<EOF |
1933 | ||
60bcf0fa | 1934 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1935 | { |
41392f03 AM |
1936 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1937 | ${LDEMUL_SYSLIB-syslib_default}, | |
1938 | ${LDEMUL_HLL-hll_default}, | |
1939 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1940 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1941 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1942 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1943 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1944 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1945 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1946 | "${EMULATION_NAME}", |
1947 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1948 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1949 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1950 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1951 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1952 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
1953 | ${LDEMUL_PARSE_ARGS-NULL}, |
1954 | gld${EMULATION_NAME}_add_options, | |
1955 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 1956 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1957 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
4a43e768 | 1958 | ${LDEMUL_RECOGNIZED_FILE-gld${EMULATION_NAME}_load_symbols}, |
41392f03 | 1959 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
fac1652d | 1960 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1961 | }; |
1962 | EOF |