Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | # This file is now misnamed, because it supports both 32 bit and 64 bit | |
4 | # ELF emulations. | |
5 | test -z "${ELFSIZE}" && ELFSIZE=32 | |
86af25fe L |
6 | if [ -z "$MACHINE" ]; then |
7 | OUTPUT_ARCH=${ARCH} | |
8 | else | |
9 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
10 | fi | |
252b5132 RH |
11 | cat >e${EMULATION_NAME}.c <<EOF |
12 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
13 | ||
14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} | |
e3dc8847 HPN |
15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
16 | 2002 Free Software Foundation, Inc. | |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
38 | #include "bfd.h" | |
39 | #include "sysdep.h" | |
1c9acd94 | 40 | #include "libiberty.h" |
3882b010 | 41 | #include "safe-ctype.h" |
252b5132 RH |
42 | |
43 | #include "bfdlink.h" | |
44 | ||
45 | #include "ld.h" | |
46 | #include "ldmain.h" | |
252b5132 RH |
47 | #include "ldmisc.h" |
48 | #include "ldexp.h" | |
49 | #include "ldlang.h" | |
b71e2778 AM |
50 | #include "ldfile.h" |
51 | #include "ldemul.h" | |
252b5132 | 52 | #include "ldgram.h" |
e0ee487b | 53 | #include "elf/common.h" |
252b5132 | 54 | |
cde43e70 AM |
55 | static void gld${EMULATION_NAME}_before_parse |
56 | PARAMS ((void)); | |
04925e1e | 57 | static void gld${EMULATION_NAME}_vercheck |
252b5132 RH |
58 | PARAMS ((lang_input_statement_type *)); |
59 | static void gld${EMULATION_NAME}_stat_needed | |
60 | PARAMS ((lang_input_statement_type *)); | |
cde43e70 AM |
61 | static boolean gld${EMULATION_NAME}_try_needed |
62 | PARAMS ((const char *, int)); | |
252b5132 RH |
63 | static boolean gld${EMULATION_NAME}_search_needed |
64 | PARAMS ((const char *, const char *, int)); | |
04925e1e | 65 | static void gld${EMULATION_NAME}_check_needed |
252b5132 | 66 | PARAMS ((lang_input_statement_type *)); |
cde43e70 AM |
67 | static void gld${EMULATION_NAME}_after_open |
68 | PARAMS ((void)); | |
69 | static void gld${EMULATION_NAME}_find_exp_assignment | |
70 | PARAMS ((etree_type *)); | |
252b5132 RH |
71 | static void gld${EMULATION_NAME}_find_statement_assignment |
72 | PARAMS ((lang_statement_union_type *)); | |
cde43e70 AM |
73 | static void gld${EMULATION_NAME}_before_allocation |
74 | PARAMS ((void)); | |
04925e1e AM |
75 | static boolean gld${EMULATION_NAME}_open_dynamic_archive |
76 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); | |
cde43e70 | 77 | static lang_output_section_statement_type *output_rel_find |
24cdb50a | 78 | PARAMS ((asection *)); |
73810896 AM |
79 | static asection *output_prev_sec_find |
80 | PARAMS ((lang_output_section_statement_type *)); | |
252b5132 RH |
81 | static boolean gld${EMULATION_NAME}_place_orphan |
82 | PARAMS ((lang_input_statement_type *, asection *)); | |
73d074b4 DJ |
83 | static void gld${EMULATION_NAME}_finish |
84 | PARAMS ((void)); | |
cde43e70 AM |
85 | static char *gld${EMULATION_NAME}_get_script |
86 | PARAMS ((int *isfile)); | |
252b5132 | 87 | |
41392f03 AM |
88 | EOF |
89 | ||
90 | # Import any needed special functions and/or overrides. | |
91 | # | |
92 | if test -n "$EXTRA_EM_FILE" ; then | |
93 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
94 | fi | |
95 | ||
f813923c | 96 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
97 | # variables. If the name of the overriding function is the same as is |
98 | # defined in this file, then don't output this file's version. | |
99 | # If a different overriding name is given then output the standard function | |
100 | # as presumably it is called from the overriding function. | |
101 | # | |
102 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
103 | cat >>e${EMULATION_NAME}.c <<EOF | |
104 | ||
252b5132 | 105 | static void |
41392f03 | 106 | gld${EMULATION_NAME}_before_parse () |
252b5132 | 107 | { |
86af25fe L |
108 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
109 | if (arch) | |
110 | { | |
111 | ldfile_output_architecture = arch->arch; | |
112 | ldfile_output_machine = arch->mach; | |
113 | ldfile_output_machine_name = arch->printable_name; | |
114 | } | |
115 | else | |
116 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; | |
252b5132 RH |
117 | config.dynamic_link = ${DYNAMIC_LINK-true}; |
118 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`; | |
119 | } | |
120 | ||
41392f03 AM |
121 | EOF |
122 | fi | |
123 | ||
124 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
125 | |
126 | /* These variables are required to pass information back and forth | |
127 | between after_open and check_needed and stat_needed and vercheck. */ | |
128 | ||
129 | static struct bfd_link_needed_list *global_needed; | |
130 | static struct stat global_stat; | |
131 | static boolean global_found; | |
132 | static struct bfd_link_needed_list *global_vercheck_needed; | |
133 | static boolean global_vercheck_failed; | |
134 | ||
252b5132 | 135 | |
04925e1e AM |
136 | /* On Linux, it's possible to have different versions of the same |
137 | shared library linked against different versions of libc. The | |
138 | dynamic linker somehow tags which libc version to use in | |
139 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
140 | executable, chooses which version of the shared library to use. | |
252b5132 | 141 | |
04925e1e AM |
142 | We try to do a similar check here by checking whether this shared |
143 | library needs any other shared libraries which may conflict with | |
144 | libraries we have already included in the link. If it does, we | |
145 | skip it, and try to find another shared library farther on down the | |
146 | link path. | |
252b5132 | 147 | |
04925e1e AM |
148 | This is called via lang_for_each_input_file. |
149 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 150 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 151 | a conflicting version. */ |
252b5132 | 152 | |
04925e1e AM |
153 | static void |
154 | gld${EMULATION_NAME}_vercheck (s) | |
155 | lang_input_statement_type *s; | |
156 | { | |
1c9acd94 | 157 | const char *soname; |
04925e1e | 158 | struct bfd_link_needed_list *l; |
252b5132 | 159 | |
04925e1e AM |
160 | if (global_vercheck_failed) |
161 | return; | |
162 | if (s->the_bfd == NULL | |
163 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
164 | return; | |
252b5132 | 165 | |
04925e1e AM |
166 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
167 | if (soname == NULL) | |
fed2999d | 168 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
169 | |
170 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
171 | { | |
172 | const char *suffix; | |
173 | ||
1c9acd94 | 174 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
175 | { |
176 | /* Probably can't happen, but it's an easy check. */ | |
177 | continue; | |
252b5132 RH |
178 | } |
179 | ||
04925e1e | 180 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
181 | continue; |
182 | ||
04925e1e AM |
183 | suffix = strstr (l->name, ".so."); |
184 | if (suffix == NULL) | |
185 | continue; | |
186 | ||
187 | suffix += sizeof ".so." - 1; | |
188 | ||
1c9acd94 | 189 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
190 | { |
191 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
192 | the object we are considering needs a dynamic object | |
193 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
194 | appears to be a version mismatch, so we tell the caller | |
195 | to try a different version of this library. */ | |
196 | global_vercheck_failed = true; | |
197 | return; | |
198 | } | |
252b5132 RH |
199 | } |
200 | } | |
201 | ||
252b5132 | 202 | |
04925e1e AM |
203 | /* See if an input file matches a DT_NEEDED entry by running stat on |
204 | the file. */ | |
205 | ||
206 | static void | |
207 | gld${EMULATION_NAME}_stat_needed (s) | |
208 | lang_input_statement_type *s; | |
252b5132 | 209 | { |
04925e1e AM |
210 | struct stat st; |
211 | const char *suffix; | |
212 | const char *soname; | |
252b5132 | 213 | |
04925e1e AM |
214 | if (global_found) |
215 | return; | |
216 | if (s->the_bfd == NULL) | |
217 | return; | |
218 | ||
219 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 220 | { |
04925e1e AM |
221 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
222 | return; | |
223 | } | |
252b5132 | 224 | |
04925e1e AM |
225 | if (st.st_dev == global_stat.st_dev |
226 | && st.st_ino == global_stat.st_ino) | |
227 | { | |
228 | global_found = true; | |
229 | return; | |
230 | } | |
252b5132 | 231 | |
04925e1e AM |
232 | /* We issue a warning if it looks like we are including two |
233 | different versions of the same shared library. For example, | |
234 | there may be a problem if -lc picks up libc.so.6 but some other | |
235 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 236 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
237 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
238 | If we really want to issue warnings about mixing version numbers | |
239 | of shared libraries, we need to find a better way. */ | |
252b5132 | 240 | |
04925e1e AM |
241 | if (strchr (global_needed->name, '/') != NULL) |
242 | return; | |
243 | suffix = strstr (global_needed->name, ".so."); | |
244 | if (suffix == NULL) | |
245 | return; | |
246 | suffix += sizeof ".so." - 1; | |
252b5132 | 247 | |
04925e1e AM |
248 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
249 | if (soname == NULL) | |
fed2999d | 250 | soname = lbasename (s->filename); |
252b5132 | 251 | |
cde43e70 | 252 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 253 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 254 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
255 | } |
256 | ||
04925e1e | 257 | |
252b5132 RH |
258 | /* This function is called for each possible name for a dynamic object |
259 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
260 | to skip the check for a conflicting version. */ | |
261 | ||
262 | static boolean | |
263 | gld${EMULATION_NAME}_try_needed (name, force) | |
264 | const char *name; | |
265 | int force; | |
266 | { | |
267 | bfd *abfd; | |
ec4eb78a | 268 | const char *soname; |
252b5132 RH |
269 | |
270 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
271 | if (abfd == NULL) | |
272 | return false; | |
273 | if (! bfd_check_format (abfd, bfd_object)) | |
274 | { | |
cde43e70 | 275 | bfd_close (abfd); |
252b5132 RH |
276 | return false; |
277 | } | |
278 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
279 | { | |
cde43e70 | 280 | bfd_close (abfd); |
252b5132 RH |
281 | return false; |
282 | } | |
283 | ||
c4bb8067 L |
284 | /* For DT_NEEDED, they have to match. */ |
285 | if (abfd->xvec != output_bfd->xvec) | |
286 | { | |
287 | bfd_close (abfd); | |
288 | return false; | |
289 | } | |
290 | ||
252b5132 RH |
291 | /* Check whether this object would include any conflicting library |
292 | versions. If FORCE is set, then we skip this check; we use this | |
293 | the second time around, if we couldn't find any compatible | |
294 | instance of the shared library. */ | |
295 | ||
296 | if (! force) | |
297 | { | |
298 | struct bfd_link_needed_list *needed; | |
299 | ||
300 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
301 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
302 | ||
303 | if (needed != NULL) | |
304 | { | |
305 | global_vercheck_needed = needed; | |
306 | global_vercheck_failed = false; | |
307 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); | |
308 | if (global_vercheck_failed) | |
309 | { | |
cde43e70 | 310 | bfd_close (abfd); |
252b5132 RH |
311 | /* Return false to force the caller to move on to try |
312 | another file on the search path. */ | |
313 | return false; | |
314 | } | |
315 | ||
316 | /* But wait! It gets much worse. On Linux, if a shared | |
317 | library does not use libc at all, we are supposed to skip | |
318 | it the first time around in case we encounter a shared | |
319 | library later on with the same name which does use the | |
320 | version of libc that we want. This is much too horrible | |
321 | to use on any system other than Linux. */ | |
322 | ||
323 | EOF | |
324 | case ${target} in | |
325 | *-*-linux-gnu*) | |
326 | cat >>e${EMULATION_NAME}.c <<EOF | |
327 | { | |
328 | struct bfd_link_needed_list *l; | |
329 | ||
330 | for (l = needed; l != NULL; l = l->next) | |
331 | if (strncmp (l->name, "libc.so", 7) == 0) | |
332 | break; | |
333 | if (l == NULL) | |
334 | { | |
cde43e70 | 335 | bfd_close (abfd); |
252b5132 RH |
336 | return false; |
337 | } | |
338 | } | |
339 | ||
340 | EOF | |
341 | ;; | |
342 | esac | |
343 | cat >>e${EMULATION_NAME}.c <<EOF | |
344 | } | |
345 | } | |
346 | ||
347 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
348 | ||
04925e1e AM |
349 | /* We have already checked that there is no other input file of the |
350 | same name. We must now check again that we are not including the | |
351 | same file twice. We need to do this because on many systems | |
352 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
353 | reference libc.so.1. If we have already included libc.so, we | |
354 | don't want to include libc.so.1 if they are the same file, and we | |
355 | can only check that using stat. */ | |
356 | ||
357 | if (bfd_stat (abfd, &global_stat) != 0) | |
358 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
359 | |
360 | /* First strip off everything before the last '/'. */ | |
fed2999d | 361 | soname = lbasename (abfd->filename); |
ec4eb78a L |
362 | |
363 | if (trace_file_tries) | |
364 | info_msg (_("found %s at %s\n"), soname, name); | |
365 | ||
04925e1e AM |
366 | global_found = false; |
367 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); | |
368 | if (global_found) | |
369 | { | |
370 | /* Return true to indicate that we found the file, even though | |
371 | we aren't going to do anything with it. */ | |
372 | return true; | |
373 | } | |
374 | ||
41392f03 | 375 | /* Tell the ELF backend that we don't want the output file to have a |
04925e1e AM |
376 | DT_NEEDED entry for this file. */ |
377 | bfd_elf_set_dt_needed_name (abfd, ""); | |
378 | ||
04925e1e AM |
379 | /* Tell the ELF backend that the output file needs a DT_NEEDED |
380 | entry for this file if it is used to resolve the reference in | |
381 | a regular object. */ | |
ec4eb78a | 382 | bfd_elf_set_dt_needed_soname (abfd, soname); |
04925e1e AM |
383 | |
384 | /* Add this file into the symbol table. */ | |
385 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
386 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
387 | ||
388 | return true; | |
389 | } | |
390 | ||
391 | ||
392 | /* Search for a needed file in a path. */ | |
393 | ||
394 | static boolean | |
395 | gld${EMULATION_NAME}_search_needed (path, name, force) | |
396 | const char *path; | |
397 | const char *name; | |
398 | int force; | |
399 | { | |
400 | const char *s; | |
401 | size_t len; | |
402 | ||
cc5ce052 UD |
403 | if (name[0] == '/') |
404 | return gld${EMULATION_NAME}_try_needed (name, force); | |
405 | ||
04925e1e AM |
406 | if (path == NULL || *path == '\0') |
407 | return false; | |
408 | len = strlen (name); | |
409 | while (1) | |
410 | { | |
411 | char *filename, *sset; | |
412 | ||
413 | s = strchr (path, ':'); | |
414 | if (s == NULL) | |
415 | s = path + strlen (path); | |
416 | ||
417 | filename = (char *) xmalloc (s - path + len + 2); | |
418 | if (s == path) | |
419 | sset = filename; | |
420 | else | |
421 | { | |
422 | memcpy (filename, path, s - path); | |
423 | filename[s - path] = '/'; | |
424 | sset = filename + (s - path) + 1; | |
425 | } | |
426 | strcpy (sset, name); | |
427 | ||
428 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
429 | return true; | |
430 | ||
431 | free (filename); | |
432 | ||
433 | if (*s == '\0') | |
434 | break; | |
435 | path = s + 1; | |
436 | } | |
437 | ||
438 | return false; | |
439 | } | |
440 | ||
441 | EOF | |
442 | if [ "x${host}" = "x${target}" ] ; then | |
443 | case " ${EMULATION_LIBPATH} " in | |
444 | *" ${EMULATION_NAME} "*) | |
482e8b32 DB |
445 | case ${target} in |
446 | *-*-linux-gnu*) | |
447 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
448 | |
449 | /* For a native linker, check the file /etc/ld.so.conf for directories | |
450 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 451 | only meaningful on Linux. */ |
04925e1e AM |
452 | |
453 | static boolean gld${EMULATION_NAME}_check_ld_so_conf | |
454 | PARAMS ((const char *, int)); | |
455 | ||
456 | static boolean | |
457 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) | |
458 | const char *name; | |
459 | int force; | |
460 | { | |
461 | static boolean initialized; | |
462 | static char *ld_so_conf; | |
463 | ||
464 | if (! initialized) | |
465 | { | |
466 | FILE *f; | |
467 | ||
468 | f = fopen ("/etc/ld.so.conf", FOPEN_RT); | |
469 | if (f != NULL) | |
470 | { | |
471 | char *b; | |
472 | size_t len, alloc; | |
473 | int c; | |
474 | ||
475 | len = 0; | |
476 | alloc = 100; | |
477 | b = (char *) xmalloc (alloc); | |
478 | ||
479 | while ((c = getc (f)) != EOF) | |
480 | { | |
481 | if (len + 1 >= alloc) | |
482 | { | |
483 | alloc *= 2; | |
484 | b = (char *) xrealloc (b, alloc); | |
485 | } | |
486 | if (c != ':' | |
487 | && c != ' ' | |
488 | && c != '\t' | |
489 | && c != '\n' | |
490 | && c != ',') | |
491 | { | |
492 | b[len] = c; | |
493 | ++len; | |
494 | } | |
495 | else | |
496 | { | |
497 | if (len > 0 && b[len - 1] != ':') | |
498 | { | |
499 | b[len] = ':'; | |
500 | ++len; | |
501 | } | |
502 | } | |
503 | } | |
504 | ||
505 | if (len > 0 && b[len - 1] == ':') | |
506 | --len; | |
252b5132 | 507 | |
04925e1e AM |
508 | if (len > 0) |
509 | b[len] = '\0'; | |
510 | else | |
511 | { | |
512 | free (b); | |
513 | b = NULL; | |
514 | } | |
252b5132 | 515 | |
04925e1e | 516 | fclose (f); |
252b5132 | 517 | |
04925e1e AM |
518 | ld_so_conf = b; |
519 | } | |
49e56c49 | 520 | |
04925e1e AM |
521 | initialized = true; |
522 | } | |
49e56c49 | 523 | |
04925e1e AM |
524 | if (ld_so_conf == NULL) |
525 | return false; | |
252b5132 | 526 | |
04925e1e | 527 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
252b5132 RH |
528 | } |
529 | ||
04925e1e | 530 | EOF |
482e8b32 DB |
531 | # Linux |
532 | ;; | |
533 | esac | |
04925e1e AM |
534 | esac |
535 | fi | |
536 | cat >>e${EMULATION_NAME}.c <<EOF | |
537 | ||
252b5132 RH |
538 | /* See if an input file matches a DT_NEEDED entry by name. */ |
539 | ||
540 | static void | |
541 | gld${EMULATION_NAME}_check_needed (s) | |
542 | lang_input_statement_type *s; | |
543 | { | |
544 | if (global_found) | |
545 | return; | |
546 | ||
577a0623 | 547 | if (s->filename != NULL) |
252b5132 | 548 | { |
577a0623 AM |
549 | const char *f; |
550 | ||
551 | if (strcmp (s->filename, global_needed->name) == 0) | |
552 | { | |
553 | global_found = true; | |
554 | return; | |
555 | } | |
556 | ||
557 | if (s->search_dirs_flag) | |
558 | { | |
559 | f = strrchr (s->filename, '/'); | |
560 | if (f != NULL | |
561 | && strcmp (f + 1, global_needed->name) == 0) | |
562 | { | |
563 | global_found = true; | |
564 | return; | |
565 | } | |
566 | } | |
252b5132 RH |
567 | } |
568 | ||
569 | if (s->the_bfd != NULL) | |
570 | { | |
571 | const char *soname; | |
572 | ||
573 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
574 | if (soname != NULL | |
575 | && strcmp (soname, global_needed->name) == 0) | |
576 | { | |
577 | global_found = true; | |
578 | return; | |
579 | } | |
580 | } | |
252b5132 RH |
581 | } |
582 | ||
41392f03 AM |
583 | EOF |
584 | ||
585 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
586 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
587 | |
588 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
589 | |
590 | static void | |
04925e1e | 591 | gld${EMULATION_NAME}_after_open () |
252b5132 | 592 | { |
04925e1e | 593 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 594 | |
04925e1e AM |
595 | /* We only need to worry about this when doing a final link. */ |
596 | if (link_info.relocateable || link_info.shared) | |
252b5132 RH |
597 | return; |
598 | ||
04925e1e AM |
599 | /* Get the list of files which appear in DT_NEEDED entries in |
600 | dynamic objects included in the link (often there will be none). | |
601 | For each such file, we want to track down the corresponding | |
602 | library, and include the symbol table in the link. This is what | |
603 | the runtime dynamic linker will do. Tracking the files down here | |
604 | permits one dynamic object to include another without requiring | |
605 | special action by the person doing the link. Note that the | |
606 | needed list can actually grow while we are stepping through this | |
607 | loop. */ | |
608 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
609 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 610 | { |
04925e1e AM |
611 | struct bfd_link_needed_list *ll; |
612 | int force; | |
252b5132 | 613 | |
04925e1e AM |
614 | /* If we've already seen this file, skip it. */ |
615 | for (ll = needed; ll != l; ll = ll->next) | |
616 | if (strcmp (ll->name, l->name) == 0) | |
617 | break; | |
618 | if (ll != l) | |
619 | continue; | |
252b5132 | 620 | |
04925e1e AM |
621 | /* See if this file was included in the link explicitly. */ |
622 | global_needed = l; | |
623 | global_found = false; | |
624 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); | |
625 | if (global_found) | |
626 | continue; | |
252b5132 | 627 | |
ec4eb78a L |
628 | if (trace_file_tries) |
629 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
630 | ||
04925e1e AM |
631 | /* We need to find this file and include the symbol table. We |
632 | want to search for the file in the same way that the dynamic | |
633 | linker will search. That means that we want to use | |
634 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
635 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
636 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
637 | We do not search using the -L arguments. | |
252b5132 | 638 | |
04925e1e AM |
639 | We search twice. The first time, we skip objects which may |
640 | introduce version mismatches. The second time, we force | |
641 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
642 | for (force = 0; force < 2; force++) | |
643 | { | |
04925e1e AM |
644 | size_t len; |
645 | search_dirs_type *search; | |
6dd8c765 L |
646 | EOF |
647 | if [ "x${host}" = "x${target}" ] ; then | |
648 | case " ${EMULATION_LIBPATH} " in | |
649 | *" ${EMULATION_NAME} "*) | |
650 | cat >>e${EMULATION_NAME}.c <<EOF | |
dcb0bd0e | 651 | const char *lib_path; |
6dd8c765 L |
652 | struct bfd_link_needed_list *rp; |
653 | int found; | |
654 | EOF | |
655 | ;; | |
656 | esac | |
657 | fi | |
658 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 659 | |
04925e1e AM |
660 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
661 | l->name, force)) | |
662 | break; | |
dcb0bd0e L |
663 | EOF |
664 | if [ "x${host}" = "x${target}" ] ; then | |
665 | case " ${EMULATION_LIBPATH} " in | |
666 | *" ${EMULATION_NAME} "*) | |
667 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
668 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
669 | l->name, force)) | |
670 | break; | |
671 | if (command_line.rpath_link == NULL | |
672 | && command_line.rpath == NULL) | |
673 | { | |
674 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
675 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, | |
676 | force)) | |
677 | break; | |
678 | } | |
04925e1e AM |
679 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
680 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) | |
681 | break; | |
ec4eb78a L |
682 | |
683 | found = 0; | |
6dd8c765 L |
684 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
685 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a L |
686 | { |
687 | found = (rp->by == l->by | |
688 | && gld${EMULATION_NAME}_search_needed (rp->name, | |
689 | l->name, | |
690 | force)); | |
691 | } | |
692 | if (found) | |
693 | break; | |
694 | ||
04925e1e AM |
695 | EOF |
696 | ;; | |
697 | esac | |
698 | fi | |
699 | cat >>e${EMULATION_NAME}.c <<EOF | |
700 | len = strlen (l->name); | |
701 | for (search = search_head; search != NULL; search = search->next) | |
702 | { | |
703 | char *filename; | |
252b5132 | 704 | |
04925e1e AM |
705 | if (search->cmdline) |
706 | continue; | |
707 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
708 | sprintf (filename, "%s/%s", search->name, l->name); | |
709 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
710 | break; | |
711 | free (filename); | |
712 | } | |
713 | if (search != NULL) | |
714 | break; | |
715 | EOF | |
716 | if [ "x${host}" = "x${target}" ] ; then | |
717 | case " ${EMULATION_LIBPATH} " in | |
718 | *" ${EMULATION_NAME} "*) | |
482e8b32 DB |
719 | case ${target} in |
720 | *-*-linux-gnu*) | |
721 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
722 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
723 | break; | |
724 | EOF | |
482e8b32 DB |
725 | # Linux |
726 | ;; | |
727 | esac | |
04925e1e AM |
728 | ;; |
729 | esac | |
730 | fi | |
731 | cat >>e${EMULATION_NAME}.c <<EOF | |
732 | } | |
252b5132 | 733 | |
04925e1e AM |
734 | if (force < 2) |
735 | continue; | |
252b5132 | 736 | |
e374f1d9 | 737 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
738 | l->name, l->by); |
739 | } | |
740 | } | |
252b5132 | 741 | |
41392f03 AM |
742 | EOF |
743 | fi | |
744 | ||
745 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 746 | |
04925e1e | 747 | /* Look through an expression for an assignment statement. */ |
252b5132 | 748 | |
04925e1e AM |
749 | static void |
750 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
751 | etree_type *exp; | |
752 | { | |
753 | struct bfd_link_hash_entry *h; | |
754 | ||
755 | switch (exp->type.node_class) | |
252b5132 | 756 | { |
04925e1e AM |
757 | case etree_provide: |
758 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
759 | false, false, false); | |
760 | if (h == NULL) | |
761 | break; | |
252b5132 | 762 | |
04925e1e AM |
763 | /* We call record_link_assignment even if the symbol is defined. |
764 | This is because if it is defined by a dynamic object, we | |
765 | actually want to use the value defined by the linker script, | |
766 | not the value from the dynamic object (because we are setting | |
767 | symbols like etext). If the symbol is defined by a regular | |
768 | object, then, as it happens, calling record_link_assignment | |
769 | will do no harm. */ | |
770 | ||
771 | /* Fall through. */ | |
772 | case etree_assign: | |
773 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 774 | { |
04925e1e AM |
775 | if (! (bfd_elf${ELFSIZE}_record_link_assignment |
776 | (output_bfd, &link_info, exp->assign.dst, | |
777 | exp->type.node_class == etree_provide ? true : false))) | |
778 | einfo ("%P%F: failed to record assignment to %s: %E\n", | |
779 | exp->assign.dst); | |
252b5132 | 780 | } |
04925e1e AM |
781 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
782 | break; | |
252b5132 | 783 | |
04925e1e AM |
784 | case etree_binary: |
785 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
786 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
787 | break; | |
252b5132 | 788 | |
04925e1e AM |
789 | case etree_trinary: |
790 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
791 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
792 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
793 | break; | |
252b5132 | 794 | |
04925e1e AM |
795 | case etree_unary: |
796 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
797 | break; | |
252b5132 | 798 | |
04925e1e AM |
799 | default: |
800 | break; | |
252b5132 RH |
801 | } |
802 | } | |
803 | ||
04925e1e AM |
804 | |
805 | /* This is called by the before_allocation routine via | |
806 | lang_for_each_statement. It locates any assignment statements, and | |
807 | tells the ELF backend about them, in case they are assignments to | |
808 | symbols which are referred to by dynamic objects. */ | |
809 | ||
810 | static void | |
811 | gld${EMULATION_NAME}_find_statement_assignment (s) | |
812 | lang_statement_union_type *s; | |
813 | { | |
814 | if (s->header.type == lang_assignment_statement_enum) | |
815 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
816 | } | |
817 | ||
41392f03 AM |
818 | EOF |
819 | ||
820 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
821 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
822 | ELF_INTERPRETER_SET_DEFAULT=" | |
823 | if (sinterp != NULL) | |
824 | { | |
825 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
826 | sinterp->_raw_size = strlen (sinterp->contents) + 1; | |
827 | } | |
828 | ||
829 | " | |
830 | else | |
831 | ELF_INTERPRETER_SET_DEFAULT= | |
832 | fi | |
41392f03 | 833 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 834 | |
252b5132 RH |
835 | /* This is called after the sections have been attached to output |
836 | sections, but before any sizes or addresses have been set. */ | |
837 | ||
838 | static void | |
839 | gld${EMULATION_NAME}_before_allocation () | |
840 | { | |
841 | const char *rpath; | |
842 | asection *sinterp; | |
843 | ||
844 | /* If we are going to make any variable assignments, we need to let | |
845 | the ELF backend know about them in case the variables are | |
846 | referred to by dynamic objects. */ | |
847 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
848 | ||
849 | /* Let the ELF backend work out the sizes of any sections required | |
850 | by dynamic linking. */ | |
851 | rpath = command_line.rpath; | |
852 | if (rpath == NULL) | |
853 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
854 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections | |
855 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 856 | command_line.filter_shlib, |
252b5132 RH |
857 | (const char * const *) command_line.auxiliary_filters, |
858 | &link_info, &sinterp, lang_elf_version_info))) | |
859 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 860 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
861 | /* Let the user override the dynamic linker we are using. */ |
862 | if (command_line.interpreter != NULL | |
863 | && sinterp != NULL) | |
864 | { | |
865 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
866 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
867 | } | |
868 | ||
869 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
870 | we treat such sections as containing warning messages. We print | |
871 | out the warning message, and then zero out the section size so | |
872 | that it does not get copied into the output file. */ | |
873 | ||
874 | { | |
875 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
876 | { | |
877 | asection *s; | |
878 | bfd_size_type sz; | |
879 | char *msg; | |
880 | boolean ret; | |
881 | ||
882 | if (is->just_syms_flag) | |
883 | continue; | |
884 | ||
885 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
886 | if (s == NULL) | |
887 | continue; | |
888 | ||
889 | sz = bfd_section_size (is->the_bfd, s); | |
890 | msg = xmalloc ((size_t) sz + 1); | |
891 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
892 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", | |
893 | is->the_bfd); | |
894 | msg[sz] = '\0'; | |
895 | ret = link_info.callbacks->warning (&link_info, msg, | |
896 | (const char *) NULL, | |
897 | is->the_bfd, (asection *) NULL, | |
898 | (bfd_vma) 0); | |
899 | ASSERT (ret); | |
900 | free (msg); | |
901 | ||
902 | /* Clobber the section size, so that we don't waste copying the | |
903 | warning into the output file. */ | |
904 | s->_raw_size = 0; | |
905 | } | |
906 | } | |
907 | } | |
908 | ||
41392f03 AM |
909 | EOF |
910 | fi | |
911 | ||
912 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
913 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 914 | |
04925e1e AM |
915 | /* Try to open a dynamic archive. This is where we know that ELF |
916 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
917 | like hpux). */ | |
918 | ||
919 | static boolean | |
920 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) | |
921 | const char *arch; | |
922 | search_dirs_type *search; | |
923 | lang_input_statement_type *entry; | |
252b5132 | 924 | { |
04925e1e AM |
925 | const char *filename; |
926 | char *string; | |
252b5132 | 927 | |
04925e1e AM |
928 | if (! entry->is_archive) |
929 | return false; | |
252b5132 | 930 | |
04925e1e | 931 | filename = entry->filename; |
252b5132 | 932 | |
04925e1e AM |
933 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
934 | is defined, but it does not seem worth the headache to optimize | |
935 | away those two bytes of space. */ | |
936 | string = (char *) xmalloc (strlen (search->name) | |
937 | + strlen (filename) | |
938 | + strlen (arch) | |
939 | #ifdef EXTRA_SHLIB_EXTENSION | |
940 | + strlen (EXTRA_SHLIB_EXTENSION) | |
941 | #endif | |
942 | + sizeof "/lib.so"); | |
943 | ||
944 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
945 | ||
946 | #ifdef EXTRA_SHLIB_EXTENSION | |
947 | /* Try the .so extension first. If that fails build a new filename | |
948 | using EXTRA_SHLIB_EXTENSION. */ | |
949 | if (! ldfile_try_open_bfd (string, entry)) | |
950 | sprintf (string, "%s/lib%s%s%s", search->name, | |
951 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
952 | #endif | |
953 | ||
954 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 955 | { |
04925e1e AM |
956 | free (string); |
957 | return false; | |
958 | } | |
252b5132 | 959 | |
04925e1e | 960 | entry->filename = string; |
252b5132 | 961 | |
04925e1e AM |
962 | /* We have found a dynamic object to include in the link. The ELF |
963 | backend linker will create a DT_NEEDED entry in the .dynamic | |
964 | section naming this file. If this file includes a DT_SONAME | |
965 | entry, it will be used. Otherwise, the ELF linker will just use | |
966 | the name of the file. For an archive found by searching, like | |
967 | this one, the DT_NEEDED entry should consist of just the name of | |
968 | the file, without the path information used to find it. Note | |
969 | that we only need to do this if we have a dynamic object; an | |
970 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 971 | |
04925e1e AM |
972 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
973 | very pretty. I haven't been able to think of anything that is | |
974 | pretty, though. */ | |
975 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
976 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
977 | { | |
04925e1e | 978 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 979 | |
04925e1e | 980 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 981 | filename we recorded earlier. */ |
04925e1e | 982 | |
fed2999d | 983 | filename = lbasename (entry->filename); |
1c9acd94 | 984 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
985 | } |
986 | ||
987 | return true; | |
988 | } | |
989 | ||
41392f03 AM |
990 | EOF |
991 | fi | |
cde43e70 AM |
992 | |
993 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
994 | cat >>e${EMULATION_NAME}.c <<EOF |
995 | ||
996 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 997 | |
04925e1e | 998 | static lang_output_section_statement_type * |
24cdb50a AM |
999 | output_rel_find (sec) |
1000 | asection *sec; | |
04925e1e AM |
1001 | { |
1002 | lang_statement_union_type *u; | |
1003 | lang_output_section_statement_type *lookup; | |
ba493122 AM |
1004 | lang_output_section_statement_type *last = NULL; |
1005 | lang_output_section_statement_type *last_rel = NULL; | |
1006 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1007 | int rela = sec->name[4] == 'a'; |
04925e1e | 1008 | |
ba493122 | 1009 | for (u = lang_output_section_statement.head; u; u = lookup->next) |
04925e1e AM |
1010 | { |
1011 | lookup = &u->output_section_statement; | |
ba493122 | 1012 | if (strncmp (".rel", lookup->name, 4) == 0) |
04925e1e | 1013 | { |
ba493122 AM |
1014 | /* Don't place after .rel.plt as doing so results in wrong |
1015 | dynamic tags. Also, place allocated reloc sections before | |
1016 | non-allocated. */ | |
24cdb50a | 1017 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1018 | |
24cdb50a | 1019 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0 |
ba493122 AM |
1020 | || (lookup->bfd_section != NULL |
1021 | && (lookup->bfd_section->flags & SEC_ALLOC) == 0)) | |
1022 | break; | |
24cdb50a AM |
1023 | last = lookup; |
1024 | if (rela == lookrela) | |
1025 | last_rel = lookup; | |
ba493122 AM |
1026 | if (lookup->bfd_section != NULL |
1027 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1028 | last_rel_alloc = lookup; | |
04925e1e | 1029 | } |
252b5132 | 1030 | } |
ba493122 AM |
1031 | |
1032 | if (last_rel_alloc) | |
1033 | return last_rel_alloc; | |
1034 | ||
1035 | if (last_rel) | |
1036 | return last_rel; | |
1037 | ||
1038 | return last; | |
252b5132 RH |
1039 | } |
1040 | ||
95500e1c JJ |
1041 | /* Find the last output section before given output statement. |
1042 | Used by place_orphan. */ | |
1043 | ||
1044 | static asection * | |
1045 | output_prev_sec_find (os) | |
1046 | lang_output_section_statement_type *os; | |
1047 | { | |
1048 | asection *s = (asection *) NULL; | |
1049 | lang_statement_union_type *u; | |
1050 | lang_output_section_statement_type *lookup; | |
1051 | ||
1052 | for (u = lang_output_section_statement.head; | |
1053 | u != (lang_statement_union_type *) NULL; | |
1054 | u = lookup->next) | |
1055 | { | |
1056 | lookup = &u->output_section_statement; | |
1057 | if (lookup == os) | |
cde43e70 AM |
1058 | return s; |
1059 | ||
1060 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1061 | s = lookup->bfd_section; |
1062 | } | |
1063 | ||
cde43e70 | 1064 | return NULL; |
95500e1c JJ |
1065 | } |
1066 | ||
252b5132 RH |
1067 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1068 | sections in the right segment. */ | |
1069 | ||
41392f03 | 1070 | struct orphan_save { |
6a345e87 | 1071 | lang_output_section_statement_type *os; |
5ba47421 | 1072 | asection **section; |
6a345e87 AM |
1073 | lang_statement_union_type **stmt; |
1074 | }; | |
252b5132 | 1075 | |
252b5132 RH |
1076 | static boolean |
1077 | gld${EMULATION_NAME}_place_orphan (file, s) | |
1078 | lang_input_statement_type *file; | |
1079 | asection *s; | |
1080 | { | |
aea4bd9d AM |
1081 | static struct orphan_save hold_text; |
1082 | static struct orphan_save hold_rodata; | |
1083 | static struct orphan_save hold_data; | |
1084 | static struct orphan_save hold_bss; | |
1085 | static struct orphan_save hold_rel; | |
1086 | static struct orphan_save hold_interp; | |
c940e6fc | 1087 | static struct orphan_save hold_sdata; |
f9989030 | 1088 | static int count = 1; |
6a345e87 | 1089 | struct orphan_save *place; |
71bfc0ae | 1090 | lang_statement_list_type *old; |
252b5132 RH |
1091 | lang_statement_list_type add; |
1092 | etree_type *address; | |
a854a4a7 | 1093 | const char *secname; |
a854a4a7 | 1094 | const char *ps = NULL; |
252b5132 | 1095 | lang_output_section_statement_type *os; |
24cdb50a | 1096 | int isdyn = 0; |
252b5132 | 1097 | |
aea4bd9d | 1098 | secname = bfd_get_section_name (s->owner, s); |
24cdb50a AM |
1099 | if (! link_info.relocateable |
1100 | && link_info.combreloc | |
a8927cfd | 1101 | && (s->flags & SEC_ALLOC) |
24cdb50a AM |
1102 | && strncmp (secname, ".rel", 4) == 0) |
1103 | { | |
1104 | if (secname[4] == 'a') | |
1105 | secname = ".rela.dyn"; | |
1106 | else | |
1107 | secname = ".rel.dyn"; | |
1108 | isdyn = 1; | |
1109 | } | |
aea4bd9d | 1110 | |
24cdb50a | 1111 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (secname))) |
252b5132 | 1112 | { |
6d02a667 | 1113 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1114 | os = lang_output_section_find (secname); |
1115 | ||
1116 | if (os != NULL | |
0f33d40b AM |
1117 | && (os->bfd_section == NULL |
1118 | || ((s->flags ^ os->bfd_section->flags) | |
1119 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1120 | { |
0f33d40b | 1121 | /* We already have an output section statement with this |
22af9fd3 | 1122 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1123 | lang_add_section (&os->children, s, os, file); |
a854a4a7 AM |
1124 | return true; |
1125 | } | |
252b5132 RH |
1126 | } |
1127 | ||
aea4bd9d AM |
1128 | if (hold_text.os == NULL) |
1129 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1130 | |
1131 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1132 | sections into the .text section to get them out of the way. */ | |
1133 | if (! link_info.shared | |
1134 | && ! link_info.relocateable | |
1135 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
6a345e87 | 1136 | && hold_text.os != NULL) |
252b5132 | 1137 | { |
39dcfe18 | 1138 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
252b5132 RH |
1139 | return true; |
1140 | } | |
1141 | ||
1142 | /* Decide which segment the section should go in based on the | |
1143 | section name and section flags. We put loadable .note sections | |
1144 | right after the .interp section, so that the PT_NOTE segment is | |
1145 | stored right after the program headers where the OS can read it | |
1146 | in the first page. */ | |
aea4bd9d AM |
1147 | #define HAVE_SECTION(hold, name) \ |
1148 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1149 | ||
1d475d82 | 1150 | if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocateable) |
22af9fd3 AM |
1151 | { |
1152 | if (s->output_section == NULL) | |
1153 | s->output_section = bfd_abs_section_ptr; | |
1154 | return true; | |
1155 | } | |
71bfc0ae AM |
1156 | |
1157 | place = NULL; | |
1158 | if ((s->flags & SEC_ALLOC) == 0) | |
1159 | ; | |
252b5132 | 1160 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1161 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1162 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1163 | place = &hold_interp; |
252b5132 | 1164 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1165 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1166 | place = &hold_bss; |
c940e6fc JW |
1167 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1168 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1169 | place = &hold_sdata; | |
252b5132 | 1170 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1171 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1172 | place = &hold_data; |
252b5132 | 1173 | else if (strncmp (secname, ".rel", 4) == 0 |
ba493122 | 1174 | && (s->flags & SEC_LOAD) != 0 |
aea4bd9d | 1175 | && (hold_rel.os != NULL |
24cdb50a | 1176 | || (hold_rel.os = output_rel_find (s)) != NULL)) |
ba493122 | 1177 | place = &hold_rel; |
71bfc0ae | 1178 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1179 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1180 | place = &hold_rodata; |
71bfc0ae | 1181 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1182 | && hold_text.os != NULL) |
1183 | place = &hold_text; | |
252b5132 | 1184 | |
aea4bd9d AM |
1185 | #undef HAVE_SECTION |
1186 | ||
252b5132 RH |
1187 | /* Choose a unique name for the section. This will be needed if the |
1188 | same section name appears in the input file with different | |
f813923c | 1189 | loadable or allocatable characteristics. */ |
24cdb50a | 1190 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) |
b3ea3584 | 1191 | { |
24cdb50a AM |
1192 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); |
1193 | if (secname == NULL) | |
b3ea3584 AM |
1194 | einfo ("%F%P: place_orphan failed: %E\n"); |
1195 | } | |
252b5132 | 1196 | |
71bfc0ae AM |
1197 | /* Start building a list of statements for this section. |
1198 | First save the current statement pointer. */ | |
1199 | old = stat_ptr; | |
1200 | ||
1201 | /* If we have found an appropriate place for the output section | |
1202 | statements for this orphan, add them to our own private list, | |
1203 | inserting them later into the global statement list. */ | |
5ba47421 | 1204 | if (place != NULL) |
252b5132 | 1205 | { |
5ba47421 AM |
1206 | stat_ptr = &add; |
1207 | lang_list_init (stat_ptr); | |
71bfc0ae | 1208 | } |
5ba47421 | 1209 | |
71bfc0ae AM |
1210 | if (config.build_constructors) |
1211 | { | |
5ba47421 AM |
1212 | /* If the name of the section is representable in C, then create |
1213 | symbols to mark the start and the end of the section. */ | |
24cdb50a | 1214 | for (ps = secname; *ps != '\0'; ps++) |
3882b010 | 1215 | if (! ISALNUM (*ps) && *ps != '_') |
5ba47421 | 1216 | break; |
71bfc0ae | 1217 | if (*ps == '\0') |
5ba47421 AM |
1218 | { |
1219 | char *symname; | |
1220 | etree_type *e_align; | |
1221 | ||
24cdb50a AM |
1222 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); |
1223 | sprintf (symname, "__start_%s", secname); | |
5ba47421 AM |
1224 | e_align = exp_unop (ALIGN_K, |
1225 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1226 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1227 | } | |
252b5132 RH |
1228 | } |
1229 | ||
01cc8ff8 | 1230 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1231 | address = exp_intop ((bfd_vma) 0); |
01cc8ff8 AM |
1232 | else |
1233 | address = NULL; | |
252b5132 | 1234 | |
24cdb50a | 1235 | os = lang_enter_output_section_statement (secname, address, 0, |
aea4bd9d AM |
1236 | (bfd_vma) 0, |
1237 | (etree_type *) NULL, | |
1238 | (etree_type *) NULL, | |
1239 | (etree_type *) NULL); | |
252b5132 | 1240 | |
39dcfe18 | 1241 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1242 | |
20d04697 L |
1243 | lang_leave_output_section_statement |
1244 | ((bfd_vma) 0, "*default*", | |
ee3cc2e2 | 1245 | (struct lang_output_section_phdr_list *) NULL, NULL); |
20d04697 | 1246 | |
71bfc0ae | 1247 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1248 | { |
71bfc0ae | 1249 | char *symname; |
252b5132 | 1250 | |
71bfc0ae AM |
1251 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1252 | stat_ptr back where we want it. */ | |
1253 | if (place != NULL) | |
1254 | stat_ptr = &add; | |
252b5132 | 1255 | |
24cdb50a AM |
1256 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); |
1257 | sprintf (symname, "__stop_%s", secname); | |
71bfc0ae AM |
1258 | lang_add_assignment (exp_assop ('=', symname, |
1259 | exp_nameop (NAME, "."))); | |
1260 | } | |
5ba47421 | 1261 | |
71bfc0ae AM |
1262 | /* Restore the global list pointer. */ |
1263 | stat_ptr = old; | |
1264 | ||
25844aae | 1265 | if (place != NULL && os->bfd_section != NULL) |
71bfc0ae | 1266 | { |
cde43e70 | 1267 | asection *snew, **pps; |
5ba47421 AM |
1268 | |
1269 | snew = os->bfd_section; | |
95500e1c | 1270 | |
cde43e70 AM |
1271 | /* Shuffle the bfd section list to make the output file look |
1272 | neater. This is really only cosmetic. */ | |
1273 | if (place->section == NULL) | |
5ba47421 | 1274 | { |
cde43e70 | 1275 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1276 | |
cde43e70 AM |
1277 | /* If the output statement hasn't been used to place |
1278 | any input sections (and thus doesn't have an output | |
1279 | bfd_section), look for the closest prior output statement | |
1280 | having an output section. */ | |
1281 | if (bfd_section == NULL) | |
1282 | bfd_section = output_prev_sec_find (place->os); | |
1283 | ||
1284 | if (bfd_section != NULL && bfd_section != snew) | |
1285 | place->section = &bfd_section->next; | |
1286 | } | |
1287 | ||
1288 | if (place->section != NULL) | |
1289 | { | |
3dfe7a8c | 1290 | /* Unlink the section. */ |
5ba47421 AM |
1291 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
1292 | ; | |
3dfe7a8c | 1293 | bfd_section_list_remove (output_bfd, pps); |
5ba47421 AM |
1294 | |
1295 | /* Now tack it on to the "place->os" section list. */ | |
3dfe7a8c | 1296 | bfd_section_list_insert (output_bfd, place->section, snew); |
5ba47421 | 1297 | } |
5ba47421 | 1298 | |
cde43e70 AM |
1299 | /* Save the end of this list. Further ophans of this type will |
1300 | follow the one we've just added. */ | |
1301 | place->section = &snew->next; | |
1302 | ||
1303 | /* The following is non-cosmetic. We try to put the output | |
1304 | statements in some sort of reasonable order here, because | |
1305 | they determine the final load addresses of the orphan | |
1306 | sections. In addition, placing output statements in the | |
1307 | wrong order may require extra segments. For instance, | |
1308 | given a typical situation of all read-only sections placed | |
1309 | in one segment and following that a segment containing all | |
1310 | the read-write sections, we wouldn't want to place an orphan | |
1311 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1312 | if (add.head != NULL) |
01cc8ff8 | 1313 | { |
ed15ac6a AM |
1314 | if (place->stmt == NULL) |
1315 | { | |
1316 | /* Put the new statement list right at the head. */ | |
1317 | *add.tail = place->os->header.next; | |
1318 | place->os->header.next = add.head; | |
1319 | } | |
1320 | else | |
1321 | { | |
1322 | /* Put it after the last orphan statement we added. */ | |
1323 | *add.tail = *place->stmt; | |
1324 | *place->stmt = add.head; | |
1325 | } | |
71bfc0ae | 1326 | |
ed15ac6a AM |
1327 | /* Fix the global list pointer if we happened to tack our |
1328 | new list at the tail. */ | |
1329 | if (*old->tail == add.head) | |
1330 | old->tail = add.tail; | |
71bfc0ae | 1331 | |
ed15ac6a AM |
1332 | /* Save the end of this list. */ |
1333 | place->stmt = add.tail; | |
1334 | } | |
6a345e87 | 1335 | } |
252b5132 RH |
1336 | |
1337 | return true; | |
1338 | } | |
c56feb2b AM |
1339 | EOF |
1340 | fi | |
1341 | ||
1342 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1343 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1344 | |
73d074b4 DJ |
1345 | static void |
1346 | gld${EMULATION_NAME}_finish () | |
1347 | { | |
65765700 | 1348 | if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info)) |
73d074b4 | 1349 | { |
e3dc8847 HPN |
1350 | lang_reset_memory_regions (); |
1351 | ||
73d074b4 DJ |
1352 | /* Resize the sections. */ |
1353 | lang_size_sections (stat_ptr->head, abs_output_section, | |
ca0b5847 | 1354 | &stat_ptr->head, 0, (bfd_vma) 0, NULL); |
73d074b4 DJ |
1355 | |
1356 | /* Redo special stuff. */ | |
1357 | ldemul_after_allocation (); | |
1358 | ||
1359 | /* Do the assignments again. */ | |
1360 | lang_do_assignments (stat_ptr->head, abs_output_section, | |
2c382fb6 | 1361 | (fill_type *) 0, (bfd_vma) 0); |
73d074b4 DJ |
1362 | } |
1363 | } | |
41392f03 AM |
1364 | EOF |
1365 | fi | |
1366 | ||
1367 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1368 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1369 | |
1370 | static char * | |
41392f03 | 1371 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1372 | int *isfile; |
1373 | EOF | |
1374 | ||
1375 | if test -n "$COMPILE_IN" | |
1376 | then | |
1377 | # Scripts compiled in. | |
1378 | ||
1379 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1380 | sc="-f stringify.sed" |
252b5132 RH |
1381 | |
1382 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1383 | { |
252b5132 RH |
1384 | *isfile = 0; |
1385 | ||
1386 | if (link_info.relocateable == true && config.build_constructors == true) | |
597e2591 | 1387 | return |
252b5132 | 1388 | EOF |
597e2591 ILT |
1389 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1390 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
1391 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1392 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1393 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1394 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
597e2591 ILT |
1395 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1396 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1397 | fi |
252b5132 | 1398 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1399 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
db6751f2 JJ |
1400 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1401 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c | |
82434356 | 1402 | fi |
597e2591 ILT |
1403 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1404 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1405 | fi |
82434356 | 1406 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
db6751f2 JJ |
1407 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1408 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1409 | fi |
597e2591 ILT |
1410 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1411 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1412 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1413 | |
1414 | else | |
1415 | # Scripts read from the filesystem. | |
1416 | ||
1417 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1418 | { |
252b5132 RH |
1419 | *isfile = 1; |
1420 | ||
1421 | if (link_info.relocateable == true && config.build_constructors == true) | |
1422 | return "ldscripts/${EMULATION_NAME}.xu"; | |
1423 | else if (link_info.relocateable == true) | |
1424 | return "ldscripts/${EMULATION_NAME}.xr"; | |
1425 | else if (!config.text_read_only) | |
1426 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1427 | else if (!config.magic_demand_paged) | |
1428 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1429 | else if (link_info.shared) | |
1430 | return "ldscripts/${EMULATION_NAME}.xs"; | |
1431 | else | |
1432 | return "ldscripts/${EMULATION_NAME}.x"; | |
1433 | } | |
252b5132 | 1434 | |
3b108066 | 1435 | EOF |
41392f03 AM |
1436 | fi |
1437 | fi | |
3b108066 | 1438 | |
41392f03 | 1439 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1440 | |
4b209b22 | 1441 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
3b108066 | 1442 | |
e0ee487b L |
1443 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1444 | cat >>e${EMULATION_NAME}.c <<EOF | |
1445 | $PARSE_AND_LIST_PROLOGUE | |
1446 | EOF | |
1447 | fi | |
1448 | ||
e0ee487b L |
1449 | cat >>e${EMULATION_NAME}.c <<EOF |
1450 | ||
1451 | #include "getopt.h" | |
1452 | ||
6c1439be L |
1453 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1454 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1455 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1456 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
6c1439be | 1457 | |
e0ee487b L |
1458 | static struct option longopts[] = |
1459 | { | |
1460 | EOF | |
e0ee487b L |
1461 | |
1462 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1463 | cat >>e${EMULATION_NAME}.c <<EOF | |
699845ef L |
1464 | /* getopt allows abbreviations, so we do this to stop it from |
1465 | treating -d/-e as abbreviations for these options. */ | |
6c1439be | 1466 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
699845ef L |
1467 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1468 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
6c1439be | 1469 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
65765700 | 1470 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, |
a1ab1d2a UD |
1471 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
1472 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1473 | EOF |
1474 | fi | |
1475 | ||
1476 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1477 | cat >>e${EMULATION_NAME}.c <<EOF | |
1478 | $PARSE_AND_LIST_LONGOPTS | |
1479 | EOF | |
1480 | fi | |
1481 | ||
e0ee487b L |
1482 | cat >>e${EMULATION_NAME}.c <<EOF |
1483 | {NULL, no_argument, NULL, 0} | |
1484 | }; | |
1485 | ||
04925e1e | 1486 | |
4b209b22 | 1487 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
41392f03 | 1488 | |
e0ee487b | 1489 | static int |
4b209b22 | 1490 | gld${EMULATION_NAME}_parse_args (argc, argv) |
e0ee487b L |
1491 | int argc; |
1492 | char ** argv; | |
1493 | { | |
4b209b22 AM |
1494 | int longind; |
1495 | int optc; | |
1496 | static int prevoptind = -1; | |
e0ee487b L |
1497 | int prevopterr = opterr; |
1498 | int wanterror; | |
e0ee487b | 1499 | |
4b209b22 | 1500 | if (prevoptind != optind) |
e0ee487b L |
1501 | opterr = 0; |
1502 | ||
4b209b22 AM |
1503 | wanterror = opterr; |
1504 | prevoptind = optind; | |
1505 | ||
41392f03 AM |
1506 | optc = getopt_long_only (argc, argv, |
1507 | "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, | |
1508 | &longind); | |
e0ee487b L |
1509 | opterr = prevopterr; |
1510 | ||
1511 | switch (optc) | |
1512 | { | |
1513 | default: | |
1514 | if (wanterror) | |
1515 | xexit (1); | |
4b209b22 | 1516 | optind = prevoptind; |
e0ee487b | 1517 | return 0; |
6c1439be | 1518 | |
e0ee487b | 1519 | EOF |
e0ee487b L |
1520 | |
1521 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1522 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be L |
1523 | case OPTION_DISABLE_NEW_DTAGS: |
1524 | link_info.new_dtags = false; | |
1525 | break; | |
1526 | ||
1527 | case OPTION_ENABLE_NEW_DTAGS: | |
1528 | link_info.new_dtags = true; | |
1529 | break; | |
1530 | ||
65765700 JJ |
1531 | case OPTION_EH_FRAME_HDR: |
1532 | link_info.eh_frame_hdr = true; | |
1533 | break; | |
1534 | ||
a1ab1d2a UD |
1535 | case OPTION_GROUP: |
1536 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1537 | /* Groups must be self-contained. */ | |
1538 | link_info.no_undefined = true; | |
1539 | break; | |
1540 | ||
e0ee487b L |
1541 | case 'z': |
1542 | if (strcmp (optarg, "initfirst") == 0) | |
1543 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1544 | else if (strcmp (optarg, "interpose") == 0) | |
1545 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1546 | else if (strcmp (optarg, "loadfltr") == 0) | |
1547 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1548 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1549 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1550 | else if (strcmp (optarg, "nodelete") == 0) | |
1551 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1552 | else if (strcmp (optarg, "nodlopen") == 0) | |
1553 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1554 | else if (strcmp (optarg, "nodump") == 0) | |
1555 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1556 | else if (strcmp (optarg, "now") == 0) | |
1557 | { | |
1558 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1559 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1560 | } | |
1561 | else if (strcmp (optarg, "origin") == 0) | |
1562 | { | |
1563 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1564 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1565 | } | |
a1ab1d2a UD |
1566 | else if (strcmp (optarg, "defs") == 0) |
1567 | link_info.no_undefined = true; | |
aa713662 L |
1568 | else if (strcmp (optarg, "muldefs") == 0) |
1569 | link_info.allow_multiple_definition = true; | |
db6751f2 JJ |
1570 | else if (strcmp (optarg, "combreloc") == 0) |
1571 | link_info.combreloc = true; | |
1572 | else if (strcmp (optarg, "nocombreloc") == 0) | |
1573 | link_info.combreloc = false; | |
8bd621d8 AM |
1574 | else if (strcmp (optarg, "nocopyreloc") == 0) |
1575 | link_info.nocopyreloc = true; | |
e0ee487b | 1576 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1577 | break; |
e0ee487b L |
1578 | EOF |
1579 | fi | |
1580 | ||
1581 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1582 | cat >>e${EMULATION_NAME}.c <<EOF | |
1583 | $PARSE_AND_LIST_ARGS_CASES | |
1584 | EOF | |
1585 | fi | |
1586 | ||
e0ee487b L |
1587 | cat >>e${EMULATION_NAME}.c <<EOF |
1588 | } | |
1589 | ||
1590 | return 1; | |
1591 | } | |
1592 | ||
41392f03 AM |
1593 | EOF |
1594 | fi | |
1595 | ||
4b209b22 | 1596 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1597 | cat >>e${EMULATION_NAME}.c <<EOF |
1598 | ||
4b209b22 | 1599 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
04925e1e | 1600 | |
e0ee487b | 1601 | static void |
4b209b22 | 1602 | gld${EMULATION_NAME}_list_options (file) |
e0ee487b L |
1603 | FILE * file; |
1604 | { | |
1605 | EOF | |
e0ee487b L |
1606 | |
1607 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1608 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1609 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1610 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1611 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1612 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1613 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
a1ab1d2a | 1614 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
f813923c HPN |
1615 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1616 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1617 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1618 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1619 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1620 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1621 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1622 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1623 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1624 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
e0ee487b | 1625 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1626 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
19e3be22 | 1627 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1628 | EOF |
1629 | fi | |
1630 | ||
1631 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1632 | cat >>e${EMULATION_NAME}.c <<EOF | |
1633 | $PARSE_AND_LIST_OPTIONS | |
1634 | EOF | |
1635 | fi | |
1636 | ||
e0ee487b L |
1637 | cat >>e${EMULATION_NAME}.c <<EOF |
1638 | } | |
1639 | EOF | |
e0ee487b L |
1640 | |
1641 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1642 | cat >>e${EMULATION_NAME}.c <<EOF | |
1643 | $PARSE_AND_LIST_EPILOGUE | |
1644 | EOF | |
1645 | fi | |
41392f03 AM |
1646 | fi |
1647 | else | |
4b209b22 | 1648 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
41392f03 | 1649 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1650 | #define gld${EMULATION_NAME}_parse_args NULL |
41392f03 AM |
1651 | EOF |
1652 | fi | |
4b209b22 | 1653 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1654 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1655 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1656 | EOF |
1657 | fi | |
1658 | fi | |
e0ee487b | 1659 | |
252b5132 RH |
1660 | cat >>e${EMULATION_NAME}.c <<EOF |
1661 | ||
60bcf0fa | 1662 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1663 | { |
41392f03 AM |
1664 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1665 | ${LDEMUL_SYSLIB-syslib_default}, | |
1666 | ${LDEMUL_HLL-hll_default}, | |
1667 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1668 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1669 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1670 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1671 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1672 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1673 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1674 | "${EMULATION_NAME}", |
1675 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1676 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1677 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1678 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1679 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1680 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
4b209b22 | 1681 | ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, |
41392f03 | 1682 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1683 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
41392f03 AM |
1684 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
1685 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, | |
fac1652d | 1686 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1687 | }; |
1688 | EOF |