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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 ${EMULATION_NAME} | |
a2b64bed | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
87f2a346 | 16 | Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
38 | #include "bfd.h" | |
39 | #include "sysdep.h" | |
1c9acd94 | 40 | #include "libiberty.h" |
252b5132 RH |
41 | |
42 | #include <ctype.h> | |
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" | |
252b5132 | 53 | #include "ldgram.h" |
e0ee487b | 54 | #include "elf/common.h" |
252b5132 | 55 | |
cde43e70 AM |
56 | static void gld${EMULATION_NAME}_before_parse |
57 | PARAMS ((void)); | |
04925e1e | 58 | static void gld${EMULATION_NAME}_vercheck |
252b5132 RH |
59 | PARAMS ((lang_input_statement_type *)); |
60 | static void gld${EMULATION_NAME}_stat_needed | |
61 | PARAMS ((lang_input_statement_type *)); | |
cde43e70 AM |
62 | static boolean gld${EMULATION_NAME}_try_needed |
63 | PARAMS ((const char *, int)); | |
252b5132 RH |
64 | static boolean gld${EMULATION_NAME}_search_needed |
65 | PARAMS ((const char *, const char *, int)); | |
04925e1e | 66 | static void gld${EMULATION_NAME}_check_needed |
252b5132 | 67 | PARAMS ((lang_input_statement_type *)); |
cde43e70 AM |
68 | static void gld${EMULATION_NAME}_after_open |
69 | PARAMS ((void)); | |
70 | static void gld${EMULATION_NAME}_find_exp_assignment | |
71 | PARAMS ((etree_type *)); | |
252b5132 RH |
72 | static void gld${EMULATION_NAME}_find_statement_assignment |
73 | PARAMS ((lang_statement_union_type *)); | |
cde43e70 AM |
74 | static void gld${EMULATION_NAME}_before_allocation |
75 | PARAMS ((void)); | |
04925e1e AM |
76 | static boolean gld${EMULATION_NAME}_open_dynamic_archive |
77 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); | |
cde43e70 AM |
78 | static lang_output_section_statement_type *output_rel_find |
79 | PARAMS ((void)); | |
73810896 AM |
80 | static asection *output_prev_sec_find |
81 | PARAMS ((lang_output_section_statement_type *)); | |
252b5132 RH |
82 | static boolean gld${EMULATION_NAME}_place_orphan |
83 | PARAMS ((lang_input_statement_type *, asection *)); | |
cde43e70 AM |
84 | static char *gld${EMULATION_NAME}_get_script |
85 | PARAMS ((int *isfile)); | |
252b5132 | 86 | |
41392f03 AM |
87 | EOF |
88 | ||
89 | # Import any needed special functions and/or overrides. | |
90 | # | |
91 | if test -n "$EXTRA_EM_FILE" ; then | |
92 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
93 | fi | |
94 | ||
f813923c | 95 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
96 | # variables. If the name of the overriding function is the same as is |
97 | # defined in this file, then don't output this file's version. | |
98 | # If a different overriding name is given then output the standard function | |
99 | # as presumably it is called from the overriding function. | |
100 | # | |
101 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
102 | cat >>e${EMULATION_NAME}.c <<EOF | |
103 | ||
252b5132 | 104 | static void |
41392f03 | 105 | gld${EMULATION_NAME}_before_parse () |
252b5132 | 106 | { |
86af25fe L |
107 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
108 | if (arch) | |
109 | { | |
110 | ldfile_output_architecture = arch->arch; | |
111 | ldfile_output_machine = arch->mach; | |
112 | ldfile_output_machine_name = arch->printable_name; | |
113 | } | |
114 | else | |
115 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; | |
252b5132 RH |
116 | config.dynamic_link = ${DYNAMIC_LINK-true}; |
117 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`; | |
118 | } | |
119 | ||
41392f03 AM |
120 | EOF |
121 | fi | |
122 | ||
123 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
124 | |
125 | /* These variables are required to pass information back and forth | |
126 | between after_open and check_needed and stat_needed and vercheck. */ | |
127 | ||
128 | static struct bfd_link_needed_list *global_needed; | |
129 | static struct stat global_stat; | |
130 | static boolean global_found; | |
131 | static struct bfd_link_needed_list *global_vercheck_needed; | |
132 | static boolean global_vercheck_failed; | |
133 | ||
252b5132 | 134 | |
04925e1e AM |
135 | /* On Linux, it's possible to have different versions of the same |
136 | shared library linked against different versions of libc. The | |
137 | dynamic linker somehow tags which libc version to use in | |
138 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
139 | executable, chooses which version of the shared library to use. | |
252b5132 | 140 | |
04925e1e AM |
141 | We try to do a similar check here by checking whether this shared |
142 | library needs any other shared libraries which may conflict with | |
143 | libraries we have already included in the link. If it does, we | |
144 | skip it, and try to find another shared library farther on down the | |
145 | link path. | |
252b5132 | 146 | |
04925e1e AM |
147 | This is called via lang_for_each_input_file. |
148 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 149 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 150 | a conflicting version. */ |
252b5132 | 151 | |
04925e1e AM |
152 | static void |
153 | gld${EMULATION_NAME}_vercheck (s) | |
154 | lang_input_statement_type *s; | |
155 | { | |
1c9acd94 | 156 | const char *soname; |
04925e1e | 157 | struct bfd_link_needed_list *l; |
252b5132 | 158 | |
04925e1e AM |
159 | if (global_vercheck_failed) |
160 | return; | |
161 | if (s->the_bfd == NULL | |
162 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
163 | return; | |
252b5132 | 164 | |
04925e1e AM |
165 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
166 | if (soname == NULL) | |
1c9acd94 | 167 | soname = basename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
168 | |
169 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
170 | { | |
171 | const char *suffix; | |
172 | ||
1c9acd94 | 173 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
174 | { |
175 | /* Probably can't happen, but it's an easy check. */ | |
176 | continue; | |
252b5132 RH |
177 | } |
178 | ||
04925e1e | 179 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
180 | continue; |
181 | ||
04925e1e AM |
182 | suffix = strstr (l->name, ".so."); |
183 | if (suffix == NULL) | |
184 | continue; | |
185 | ||
186 | suffix += sizeof ".so." - 1; | |
187 | ||
1c9acd94 | 188 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
189 | { |
190 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
191 | the object we are considering needs a dynamic object | |
192 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
193 | appears to be a version mismatch, so we tell the caller | |
194 | to try a different version of this library. */ | |
195 | global_vercheck_failed = true; | |
196 | return; | |
197 | } | |
252b5132 RH |
198 | } |
199 | } | |
200 | ||
252b5132 | 201 | |
04925e1e AM |
202 | /* See if an input file matches a DT_NEEDED entry by running stat on |
203 | the file. */ | |
204 | ||
205 | static void | |
206 | gld${EMULATION_NAME}_stat_needed (s) | |
207 | lang_input_statement_type *s; | |
252b5132 | 208 | { |
04925e1e AM |
209 | struct stat st; |
210 | const char *suffix; | |
211 | const char *soname; | |
252b5132 | 212 | |
04925e1e AM |
213 | if (global_found) |
214 | return; | |
215 | if (s->the_bfd == NULL) | |
216 | return; | |
217 | ||
218 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 219 | { |
04925e1e AM |
220 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
221 | return; | |
222 | } | |
252b5132 | 223 | |
04925e1e AM |
224 | if (st.st_dev == global_stat.st_dev |
225 | && st.st_ino == global_stat.st_ino) | |
226 | { | |
227 | global_found = true; | |
228 | return; | |
229 | } | |
252b5132 | 230 | |
04925e1e AM |
231 | /* We issue a warning if it looks like we are including two |
232 | different versions of the same shared library. For example, | |
233 | there may be a problem if -lc picks up libc.so.6 but some other | |
234 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 235 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
236 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
237 | If we really want to issue warnings about mixing version numbers | |
238 | of shared libraries, we need to find a better way. */ | |
252b5132 | 239 | |
04925e1e AM |
240 | if (strchr (global_needed->name, '/') != NULL) |
241 | return; | |
242 | suffix = strstr (global_needed->name, ".so."); | |
243 | if (suffix == NULL) | |
244 | return; | |
245 | suffix += sizeof ".so." - 1; | |
252b5132 | 246 | |
04925e1e AM |
247 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
248 | if (soname == NULL) | |
1c9acd94 | 249 | soname = basename (s->filename); |
252b5132 | 250 | |
cde43e70 | 251 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 252 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 253 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
254 | } |
255 | ||
04925e1e | 256 | |
252b5132 RH |
257 | /* This function is called for each possible name for a dynamic object |
258 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
259 | to skip the check for a conflicting version. */ | |
260 | ||
261 | static boolean | |
262 | gld${EMULATION_NAME}_try_needed (name, force) | |
263 | const char *name; | |
264 | int force; | |
265 | { | |
266 | bfd *abfd; | |
ec4eb78a | 267 | const char *soname; |
252b5132 RH |
268 | |
269 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
270 | if (abfd == NULL) | |
271 | return false; | |
272 | if (! bfd_check_format (abfd, bfd_object)) | |
273 | { | |
cde43e70 | 274 | bfd_close (abfd); |
252b5132 RH |
275 | return false; |
276 | } | |
277 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
278 | { | |
cde43e70 | 279 | bfd_close (abfd); |
252b5132 RH |
280 | return false; |
281 | } | |
282 | ||
283 | /* Check whether this object would include any conflicting library | |
284 | versions. If FORCE is set, then we skip this check; we use this | |
285 | the second time around, if we couldn't find any compatible | |
286 | instance of the shared library. */ | |
287 | ||
288 | if (! force) | |
289 | { | |
290 | struct bfd_link_needed_list *needed; | |
291 | ||
292 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
293 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
294 | ||
295 | if (needed != NULL) | |
296 | { | |
297 | global_vercheck_needed = needed; | |
298 | global_vercheck_failed = false; | |
299 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); | |
300 | if (global_vercheck_failed) | |
301 | { | |
cde43e70 | 302 | bfd_close (abfd); |
252b5132 RH |
303 | /* Return false to force the caller to move on to try |
304 | another file on the search path. */ | |
305 | return false; | |
306 | } | |
307 | ||
308 | /* But wait! It gets much worse. On Linux, if a shared | |
309 | library does not use libc at all, we are supposed to skip | |
310 | it the first time around in case we encounter a shared | |
311 | library later on with the same name which does use the | |
312 | version of libc that we want. This is much too horrible | |
313 | to use on any system other than Linux. */ | |
314 | ||
315 | EOF | |
316 | case ${target} in | |
317 | *-*-linux-gnu*) | |
318 | cat >>e${EMULATION_NAME}.c <<EOF | |
319 | { | |
320 | struct bfd_link_needed_list *l; | |
321 | ||
322 | for (l = needed; l != NULL; l = l->next) | |
323 | if (strncmp (l->name, "libc.so", 7) == 0) | |
324 | break; | |
325 | if (l == NULL) | |
326 | { | |
cde43e70 | 327 | bfd_close (abfd); |
252b5132 RH |
328 | return false; |
329 | } | |
330 | } | |
331 | ||
332 | EOF | |
333 | ;; | |
334 | esac | |
335 | cat >>e${EMULATION_NAME}.c <<EOF | |
336 | } | |
337 | } | |
338 | ||
339 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
340 | ||
04925e1e AM |
341 | /* We have already checked that there is no other input file of the |
342 | same name. We must now check again that we are not including the | |
343 | same file twice. We need to do this because on many systems | |
344 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
345 | reference libc.so.1. If we have already included libc.so, we | |
346 | don't want to include libc.so.1 if they are the same file, and we | |
347 | can only check that using stat. */ | |
348 | ||
349 | if (bfd_stat (abfd, &global_stat) != 0) | |
350 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
351 | |
352 | /* First strip off everything before the last '/'. */ | |
1c9acd94 | 353 | soname = basename (abfd->filename); |
ec4eb78a L |
354 | |
355 | if (trace_file_tries) | |
356 | info_msg (_("found %s at %s\n"), soname, name); | |
357 | ||
04925e1e AM |
358 | global_found = false; |
359 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); | |
360 | if (global_found) | |
361 | { | |
362 | /* Return true to indicate that we found the file, even though | |
363 | we aren't going to do anything with it. */ | |
364 | return true; | |
365 | } | |
366 | ||
41392f03 | 367 | /* Tell the ELF backend that we don't want the output file to have a |
04925e1e AM |
368 | DT_NEEDED entry for this file. */ |
369 | bfd_elf_set_dt_needed_name (abfd, ""); | |
370 | ||
c2a1a436 DB |
371 | /* Previos basename call was clobbered in lang_for_each_input_file. */ |
372 | soname = basename (abfd->filename); | |
373 | ||
04925e1e AM |
374 | /* Tell the ELF backend that the output file needs a DT_NEEDED |
375 | entry for this file if it is used to resolve the reference in | |
376 | a regular object. */ | |
ec4eb78a | 377 | bfd_elf_set_dt_needed_soname (abfd, soname); |
04925e1e AM |
378 | |
379 | /* Add this file into the symbol table. */ | |
380 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
381 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
382 | ||
383 | return true; | |
384 | } | |
385 | ||
386 | ||
387 | /* Search for a needed file in a path. */ | |
388 | ||
389 | static boolean | |
390 | gld${EMULATION_NAME}_search_needed (path, name, force) | |
391 | const char *path; | |
392 | const char *name; | |
393 | int force; | |
394 | { | |
395 | const char *s; | |
396 | size_t len; | |
397 | ||
cc5ce052 UD |
398 | if (name[0] == '/') |
399 | return gld${EMULATION_NAME}_try_needed (name, force); | |
400 | ||
04925e1e AM |
401 | if (path == NULL || *path == '\0') |
402 | return false; | |
403 | len = strlen (name); | |
404 | while (1) | |
405 | { | |
406 | char *filename, *sset; | |
407 | ||
408 | s = strchr (path, ':'); | |
409 | if (s == NULL) | |
410 | s = path + strlen (path); | |
411 | ||
412 | filename = (char *) xmalloc (s - path + len + 2); | |
413 | if (s == path) | |
414 | sset = filename; | |
415 | else | |
416 | { | |
417 | memcpy (filename, path, s - path); | |
418 | filename[s - path] = '/'; | |
419 | sset = filename + (s - path) + 1; | |
420 | } | |
421 | strcpy (sset, name); | |
422 | ||
423 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
424 | return true; | |
425 | ||
426 | free (filename); | |
427 | ||
428 | if (*s == '\0') | |
429 | break; | |
430 | path = s + 1; | |
431 | } | |
432 | ||
433 | return false; | |
434 | } | |
435 | ||
436 | EOF | |
437 | if [ "x${host}" = "x${target}" ] ; then | |
438 | case " ${EMULATION_LIBPATH} " in | |
439 | *" ${EMULATION_NAME} "*) | |
482e8b32 DB |
440 | case ${target} in |
441 | *-*-linux-gnu*) | |
442 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
443 | |
444 | /* For a native linker, check the file /etc/ld.so.conf for directories | |
445 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 446 | only meaningful on Linux. */ |
04925e1e AM |
447 | |
448 | static boolean gld${EMULATION_NAME}_check_ld_so_conf | |
449 | PARAMS ((const char *, int)); | |
450 | ||
451 | static boolean | |
452 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) | |
453 | const char *name; | |
454 | int force; | |
455 | { | |
456 | static boolean initialized; | |
457 | static char *ld_so_conf; | |
458 | ||
459 | if (! initialized) | |
460 | { | |
461 | FILE *f; | |
462 | ||
463 | f = fopen ("/etc/ld.so.conf", FOPEN_RT); | |
464 | if (f != NULL) | |
465 | { | |
466 | char *b; | |
467 | size_t len, alloc; | |
468 | int c; | |
469 | ||
470 | len = 0; | |
471 | alloc = 100; | |
472 | b = (char *) xmalloc (alloc); | |
473 | ||
474 | while ((c = getc (f)) != EOF) | |
475 | { | |
476 | if (len + 1 >= alloc) | |
477 | { | |
478 | alloc *= 2; | |
479 | b = (char *) xrealloc (b, alloc); | |
480 | } | |
481 | if (c != ':' | |
482 | && c != ' ' | |
483 | && c != '\t' | |
484 | && c != '\n' | |
485 | && c != ',') | |
486 | { | |
487 | b[len] = c; | |
488 | ++len; | |
489 | } | |
490 | else | |
491 | { | |
492 | if (len > 0 && b[len - 1] != ':') | |
493 | { | |
494 | b[len] = ':'; | |
495 | ++len; | |
496 | } | |
497 | } | |
498 | } | |
499 | ||
500 | if (len > 0 && b[len - 1] == ':') | |
501 | --len; | |
252b5132 | 502 | |
04925e1e AM |
503 | if (len > 0) |
504 | b[len] = '\0'; | |
505 | else | |
506 | { | |
507 | free (b); | |
508 | b = NULL; | |
509 | } | |
252b5132 | 510 | |
04925e1e | 511 | fclose (f); |
252b5132 | 512 | |
04925e1e AM |
513 | ld_so_conf = b; |
514 | } | |
49e56c49 | 515 | |
04925e1e AM |
516 | initialized = true; |
517 | } | |
49e56c49 | 518 | |
04925e1e AM |
519 | if (ld_so_conf == NULL) |
520 | return false; | |
252b5132 | 521 | |
04925e1e | 522 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
252b5132 RH |
523 | } |
524 | ||
04925e1e | 525 | EOF |
482e8b32 DB |
526 | # Linux |
527 | ;; | |
528 | esac | |
04925e1e AM |
529 | esac |
530 | fi | |
531 | cat >>e${EMULATION_NAME}.c <<EOF | |
532 | ||
252b5132 RH |
533 | /* See if an input file matches a DT_NEEDED entry by name. */ |
534 | ||
535 | static void | |
536 | gld${EMULATION_NAME}_check_needed (s) | |
537 | lang_input_statement_type *s; | |
538 | { | |
539 | if (global_found) | |
540 | return; | |
541 | ||
577a0623 | 542 | if (s->filename != NULL) |
252b5132 | 543 | { |
577a0623 AM |
544 | const char *f; |
545 | ||
546 | if (strcmp (s->filename, global_needed->name) == 0) | |
547 | { | |
548 | global_found = true; | |
549 | return; | |
550 | } | |
551 | ||
552 | if (s->search_dirs_flag) | |
553 | { | |
554 | f = strrchr (s->filename, '/'); | |
555 | if (f != NULL | |
556 | && strcmp (f + 1, global_needed->name) == 0) | |
557 | { | |
558 | global_found = true; | |
559 | return; | |
560 | } | |
561 | } | |
252b5132 RH |
562 | } |
563 | ||
564 | if (s->the_bfd != NULL) | |
565 | { | |
566 | const char *soname; | |
567 | ||
568 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
569 | if (soname != NULL | |
570 | && strcmp (soname, global_needed->name) == 0) | |
571 | { | |
572 | global_found = true; | |
573 | return; | |
574 | } | |
575 | } | |
252b5132 RH |
576 | } |
577 | ||
41392f03 AM |
578 | EOF |
579 | ||
580 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
581 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
582 | |
583 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
584 | |
585 | static void | |
04925e1e | 586 | gld${EMULATION_NAME}_after_open () |
252b5132 | 587 | { |
04925e1e | 588 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 589 | |
04925e1e AM |
590 | /* We only need to worry about this when doing a final link. */ |
591 | if (link_info.relocateable || link_info.shared) | |
252b5132 RH |
592 | return; |
593 | ||
04925e1e AM |
594 | /* Get the list of files which appear in DT_NEEDED entries in |
595 | dynamic objects included in the link (often there will be none). | |
596 | For each such file, we want to track down the corresponding | |
597 | library, and include the symbol table in the link. This is what | |
598 | the runtime dynamic linker will do. Tracking the files down here | |
599 | permits one dynamic object to include another without requiring | |
600 | special action by the person doing the link. Note that the | |
601 | needed list can actually grow while we are stepping through this | |
602 | loop. */ | |
603 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
604 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 605 | { |
04925e1e AM |
606 | struct bfd_link_needed_list *ll; |
607 | int force; | |
252b5132 | 608 | |
04925e1e AM |
609 | /* If we've already seen this file, skip it. */ |
610 | for (ll = needed; ll != l; ll = ll->next) | |
611 | if (strcmp (ll->name, l->name) == 0) | |
612 | break; | |
613 | if (ll != l) | |
614 | continue; | |
252b5132 | 615 | |
04925e1e AM |
616 | /* See if this file was included in the link explicitly. */ |
617 | global_needed = l; | |
618 | global_found = false; | |
619 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); | |
620 | if (global_found) | |
621 | continue; | |
252b5132 | 622 | |
ec4eb78a L |
623 | if (trace_file_tries) |
624 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
625 | ||
04925e1e AM |
626 | /* We need to find this file and include the symbol table. We |
627 | want to search for the file in the same way that the dynamic | |
628 | linker will search. That means that we want to use | |
629 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
630 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
631 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
632 | We do not search using the -L arguments. | |
252b5132 | 633 | |
04925e1e AM |
634 | We search twice. The first time, we skip objects which may |
635 | introduce version mismatches. The second time, we force | |
636 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
637 | for (force = 0; force < 2; force++) | |
638 | { | |
04925e1e AM |
639 | size_t len; |
640 | search_dirs_type *search; | |
6dd8c765 L |
641 | EOF |
642 | if [ "x${host}" = "x${target}" ] ; then | |
643 | case " ${EMULATION_LIBPATH} " in | |
644 | *" ${EMULATION_NAME} "*) | |
645 | cat >>e${EMULATION_NAME}.c <<EOF | |
dcb0bd0e | 646 | const char *lib_path; |
6dd8c765 L |
647 | struct bfd_link_needed_list *rp; |
648 | int found; | |
649 | EOF | |
650 | ;; | |
651 | esac | |
652 | fi | |
653 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 654 | |
04925e1e AM |
655 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
656 | l->name, force)) | |
657 | break; | |
dcb0bd0e L |
658 | EOF |
659 | if [ "x${host}" = "x${target}" ] ; then | |
660 | case " ${EMULATION_LIBPATH} " in | |
661 | *" ${EMULATION_NAME} "*) | |
662 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
663 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
664 | l->name, force)) | |
665 | break; | |
666 | if (command_line.rpath_link == NULL | |
667 | && command_line.rpath == NULL) | |
668 | { | |
669 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
670 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, | |
671 | force)) | |
672 | break; | |
673 | } | |
04925e1e AM |
674 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
675 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) | |
676 | break; | |
ec4eb78a L |
677 | |
678 | found = 0; | |
6dd8c765 L |
679 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
680 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a L |
681 | { |
682 | found = (rp->by == l->by | |
683 | && gld${EMULATION_NAME}_search_needed (rp->name, | |
684 | l->name, | |
685 | force)); | |
686 | } | |
687 | if (found) | |
688 | break; | |
689 | ||
04925e1e AM |
690 | EOF |
691 | ;; | |
692 | esac | |
693 | fi | |
694 | cat >>e${EMULATION_NAME}.c <<EOF | |
695 | len = strlen (l->name); | |
696 | for (search = search_head; search != NULL; search = search->next) | |
697 | { | |
698 | char *filename; | |
252b5132 | 699 | |
04925e1e AM |
700 | if (search->cmdline) |
701 | continue; | |
702 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
703 | sprintf (filename, "%s/%s", search->name, l->name); | |
704 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
705 | break; | |
706 | free (filename); | |
707 | } | |
708 | if (search != NULL) | |
709 | break; | |
710 | EOF | |
711 | if [ "x${host}" = "x${target}" ] ; then | |
712 | case " ${EMULATION_LIBPATH} " in | |
713 | *" ${EMULATION_NAME} "*) | |
482e8b32 DB |
714 | case ${target} in |
715 | *-*-linux-gnu*) | |
716 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
717 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
718 | break; | |
719 | EOF | |
482e8b32 DB |
720 | # Linux |
721 | ;; | |
722 | esac | |
04925e1e AM |
723 | ;; |
724 | esac | |
725 | fi | |
726 | cat >>e${EMULATION_NAME}.c <<EOF | |
727 | } | |
252b5132 | 728 | |
04925e1e AM |
729 | if (force < 2) |
730 | continue; | |
252b5132 | 731 | |
e374f1d9 | 732 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
733 | l->name, l->by); |
734 | } | |
735 | } | |
252b5132 | 736 | |
41392f03 AM |
737 | EOF |
738 | fi | |
739 | ||
740 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 741 | |
04925e1e | 742 | /* Look through an expression for an assignment statement. */ |
252b5132 | 743 | |
04925e1e AM |
744 | static void |
745 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
746 | etree_type *exp; | |
747 | { | |
748 | struct bfd_link_hash_entry *h; | |
749 | ||
750 | switch (exp->type.node_class) | |
252b5132 | 751 | { |
04925e1e AM |
752 | case etree_provide: |
753 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
754 | false, false, false); | |
755 | if (h == NULL) | |
756 | break; | |
252b5132 | 757 | |
04925e1e AM |
758 | /* We call record_link_assignment even if the symbol is defined. |
759 | This is because if it is defined by a dynamic object, we | |
760 | actually want to use the value defined by the linker script, | |
761 | not the value from the dynamic object (because we are setting | |
762 | symbols like etext). If the symbol is defined by a regular | |
763 | object, then, as it happens, calling record_link_assignment | |
764 | will do no harm. */ | |
765 | ||
766 | /* Fall through. */ | |
767 | case etree_assign: | |
768 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 769 | { |
04925e1e AM |
770 | if (! (bfd_elf${ELFSIZE}_record_link_assignment |
771 | (output_bfd, &link_info, exp->assign.dst, | |
772 | exp->type.node_class == etree_provide ? true : false))) | |
773 | einfo ("%P%F: failed to record assignment to %s: %E\n", | |
774 | exp->assign.dst); | |
252b5132 | 775 | } |
04925e1e AM |
776 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
777 | break; | |
252b5132 | 778 | |
04925e1e AM |
779 | case etree_binary: |
780 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
781 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
782 | break; | |
252b5132 | 783 | |
04925e1e AM |
784 | case etree_trinary: |
785 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
786 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
787 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
788 | break; | |
252b5132 | 789 | |
04925e1e AM |
790 | case etree_unary: |
791 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
792 | break; | |
252b5132 | 793 | |
04925e1e AM |
794 | default: |
795 | break; | |
252b5132 RH |
796 | } |
797 | } | |
798 | ||
04925e1e AM |
799 | |
800 | /* This is called by the before_allocation routine via | |
801 | lang_for_each_statement. It locates any assignment statements, and | |
802 | tells the ELF backend about them, in case they are assignments to | |
803 | symbols which are referred to by dynamic objects. */ | |
804 | ||
805 | static void | |
806 | gld${EMULATION_NAME}_find_statement_assignment (s) | |
807 | lang_statement_union_type *s; | |
808 | { | |
809 | if (s->header.type == lang_assignment_statement_enum) | |
810 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
811 | } | |
812 | ||
41392f03 AM |
813 | EOF |
814 | ||
815 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
816 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
817 | ELF_INTERPRETER_SET_DEFAULT=" | |
818 | if (sinterp != NULL) | |
819 | { | |
820 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
821 | sinterp->_raw_size = strlen (sinterp->contents) + 1; | |
822 | } | |
823 | ||
824 | " | |
825 | else | |
826 | ELF_INTERPRETER_SET_DEFAULT= | |
827 | fi | |
41392f03 | 828 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 829 | |
252b5132 RH |
830 | /* This is called after the sections have been attached to output |
831 | sections, but before any sizes or addresses have been set. */ | |
832 | ||
833 | static void | |
834 | gld${EMULATION_NAME}_before_allocation () | |
835 | { | |
836 | const char *rpath; | |
837 | asection *sinterp; | |
838 | ||
839 | /* If we are going to make any variable assignments, we need to let | |
840 | the ELF backend know about them in case the variables are | |
841 | referred to by dynamic objects. */ | |
842 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
843 | ||
844 | /* Let the ELF backend work out the sizes of any sections required | |
845 | by dynamic linking. */ | |
846 | rpath = command_line.rpath; | |
847 | if (rpath == NULL) | |
848 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
849 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections | |
850 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 851 | command_line.filter_shlib, |
252b5132 RH |
852 | (const char * const *) command_line.auxiliary_filters, |
853 | &link_info, &sinterp, lang_elf_version_info))) | |
854 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 855 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
856 | /* Let the user override the dynamic linker we are using. */ |
857 | if (command_line.interpreter != NULL | |
858 | && sinterp != NULL) | |
859 | { | |
860 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
861 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
862 | } | |
863 | ||
864 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
865 | we treat such sections as containing warning messages. We print | |
866 | out the warning message, and then zero out the section size so | |
867 | that it does not get copied into the output file. */ | |
868 | ||
869 | { | |
870 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
871 | { | |
872 | asection *s; | |
873 | bfd_size_type sz; | |
874 | char *msg; | |
875 | boolean ret; | |
876 | ||
877 | if (is->just_syms_flag) | |
878 | continue; | |
879 | ||
880 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
881 | if (s == NULL) | |
882 | continue; | |
883 | ||
884 | sz = bfd_section_size (is->the_bfd, s); | |
885 | msg = xmalloc ((size_t) sz + 1); | |
886 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
887 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", | |
888 | is->the_bfd); | |
889 | msg[sz] = '\0'; | |
890 | ret = link_info.callbacks->warning (&link_info, msg, | |
891 | (const char *) NULL, | |
892 | is->the_bfd, (asection *) NULL, | |
893 | (bfd_vma) 0); | |
894 | ASSERT (ret); | |
895 | free (msg); | |
896 | ||
897 | /* Clobber the section size, so that we don't waste copying the | |
898 | warning into the output file. */ | |
899 | s->_raw_size = 0; | |
900 | } | |
901 | } | |
902 | } | |
903 | ||
41392f03 AM |
904 | EOF |
905 | fi | |
906 | ||
907 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
908 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 909 | |
04925e1e AM |
910 | /* Try to open a dynamic archive. This is where we know that ELF |
911 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
912 | like hpux). */ | |
913 | ||
914 | static boolean | |
915 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) | |
916 | const char *arch; | |
917 | search_dirs_type *search; | |
918 | lang_input_statement_type *entry; | |
252b5132 | 919 | { |
04925e1e AM |
920 | const char *filename; |
921 | char *string; | |
252b5132 | 922 | |
04925e1e AM |
923 | if (! entry->is_archive) |
924 | return false; | |
252b5132 | 925 | |
04925e1e | 926 | filename = entry->filename; |
252b5132 | 927 | |
04925e1e AM |
928 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
929 | is defined, but it does not seem worth the headache to optimize | |
930 | away those two bytes of space. */ | |
931 | string = (char *) xmalloc (strlen (search->name) | |
932 | + strlen (filename) | |
933 | + strlen (arch) | |
934 | #ifdef EXTRA_SHLIB_EXTENSION | |
935 | + strlen (EXTRA_SHLIB_EXTENSION) | |
936 | #endif | |
937 | + sizeof "/lib.so"); | |
938 | ||
939 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
940 | ||
941 | #ifdef EXTRA_SHLIB_EXTENSION | |
942 | /* Try the .so extension first. If that fails build a new filename | |
943 | using EXTRA_SHLIB_EXTENSION. */ | |
944 | if (! ldfile_try_open_bfd (string, entry)) | |
945 | sprintf (string, "%s/lib%s%s%s", search->name, | |
946 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
947 | #endif | |
948 | ||
949 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 950 | { |
04925e1e AM |
951 | free (string); |
952 | return false; | |
953 | } | |
252b5132 | 954 | |
04925e1e | 955 | entry->filename = string; |
252b5132 | 956 | |
04925e1e AM |
957 | /* We have found a dynamic object to include in the link. The ELF |
958 | backend linker will create a DT_NEEDED entry in the .dynamic | |
959 | section naming this file. If this file includes a DT_SONAME | |
960 | entry, it will be used. Otherwise, the ELF linker will just use | |
961 | the name of the file. For an archive found by searching, like | |
962 | this one, the DT_NEEDED entry should consist of just the name of | |
963 | the file, without the path information used to find it. Note | |
964 | that we only need to do this if we have a dynamic object; an | |
965 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 966 | |
04925e1e AM |
967 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
968 | very pretty. I haven't been able to think of anything that is | |
969 | pretty, though. */ | |
970 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
971 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
972 | { | |
04925e1e | 973 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 974 | |
04925e1e | 975 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 976 | filename we recorded earlier. */ |
04925e1e | 977 | |
1c9acd94 L |
978 | filename = xstrdup (basename (entry->filename)); |
979 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); | |
04925e1e AM |
980 | } |
981 | ||
982 | return true; | |
983 | } | |
984 | ||
41392f03 AM |
985 | EOF |
986 | fi | |
cde43e70 AM |
987 | |
988 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
989 | cat >>e${EMULATION_NAME}.c <<EOF |
990 | ||
991 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 992 | |
04925e1e AM |
993 | static lang_output_section_statement_type * |
994 | output_rel_find () | |
995 | { | |
996 | lang_statement_union_type *u; | |
997 | lang_output_section_statement_type *lookup; | |
998 | ||
999 | for (u = lang_output_section_statement.head; | |
1000 | u != (lang_statement_union_type *) NULL; | |
1001 | u = lookup->next) | |
1002 | { | |
1003 | lookup = &u->output_section_statement; | |
1004 | if (strncmp (".rel", lookup->name, 4) == 0 | |
1005 | && lookup->bfd_section != NULL | |
1006 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1007 | { | |
1008 | return lookup; | |
1009 | } | |
252b5132 | 1010 | } |
04925e1e | 1011 | return (lang_output_section_statement_type *) NULL; |
252b5132 RH |
1012 | } |
1013 | ||
95500e1c JJ |
1014 | /* Find the last output section before given output statement. |
1015 | Used by place_orphan. */ | |
1016 | ||
1017 | static asection * | |
1018 | output_prev_sec_find (os) | |
1019 | lang_output_section_statement_type *os; | |
1020 | { | |
1021 | asection *s = (asection *) NULL; | |
1022 | lang_statement_union_type *u; | |
1023 | lang_output_section_statement_type *lookup; | |
1024 | ||
1025 | for (u = lang_output_section_statement.head; | |
1026 | u != (lang_statement_union_type *) NULL; | |
1027 | u = lookup->next) | |
1028 | { | |
1029 | lookup = &u->output_section_statement; | |
1030 | if (lookup == os) | |
cde43e70 AM |
1031 | return s; |
1032 | ||
1033 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1034 | s = lookup->bfd_section; |
1035 | } | |
1036 | ||
cde43e70 | 1037 | return NULL; |
95500e1c JJ |
1038 | } |
1039 | ||
252b5132 RH |
1040 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1041 | sections in the right segment. */ | |
1042 | ||
41392f03 | 1043 | struct orphan_save { |
6a345e87 | 1044 | lang_output_section_statement_type *os; |
5ba47421 | 1045 | asection **section; |
6a345e87 AM |
1046 | lang_statement_union_type **stmt; |
1047 | }; | |
252b5132 | 1048 | |
252b5132 RH |
1049 | static boolean |
1050 | gld${EMULATION_NAME}_place_orphan (file, s) | |
1051 | lang_input_statement_type *file; | |
1052 | asection *s; | |
1053 | { | |
aea4bd9d AM |
1054 | static struct orphan_save hold_text; |
1055 | static struct orphan_save hold_rodata; | |
1056 | static struct orphan_save hold_data; | |
1057 | static struct orphan_save hold_bss; | |
1058 | static struct orphan_save hold_rel; | |
1059 | static struct orphan_save hold_interp; | |
c940e6fc | 1060 | static struct orphan_save hold_sdata; |
f9989030 | 1061 | static int count = 1; |
6a345e87 | 1062 | struct orphan_save *place; |
71bfc0ae | 1063 | lang_statement_list_type *old; |
252b5132 RH |
1064 | lang_statement_list_type add; |
1065 | etree_type *address; | |
a854a4a7 | 1066 | const char *secname; |
252b5132 | 1067 | const char *outsecname; |
a854a4a7 | 1068 | const char *ps = NULL; |
252b5132 RH |
1069 | lang_output_section_statement_type *os; |
1070 | ||
aea4bd9d AM |
1071 | secname = bfd_get_section_name (s->owner, s); |
1072 | ||
577a0623 | 1073 | if (! config.unique_orphan_sections && ! unique_section_p (secname)) |
252b5132 | 1074 | { |
6d02a667 | 1075 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1076 | os = lang_output_section_find (secname); |
1077 | ||
1078 | if (os != NULL | |
0f33d40b AM |
1079 | && (os->bfd_section == NULL |
1080 | || ((s->flags ^ os->bfd_section->flags) | |
1081 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1082 | { |
0f33d40b | 1083 | /* We already have an output section statement with this |
22af9fd3 | 1084 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1085 | lang_add_section (&os->children, s, os, file); |
a854a4a7 AM |
1086 | return true; |
1087 | } | |
252b5132 RH |
1088 | } |
1089 | ||
aea4bd9d AM |
1090 | if (hold_text.os == NULL) |
1091 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1092 | |
1093 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1094 | sections into the .text section to get them out of the way. */ | |
1095 | if (! link_info.shared | |
1096 | && ! link_info.relocateable | |
1097 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
6a345e87 | 1098 | && hold_text.os != NULL) |
252b5132 | 1099 | { |
39dcfe18 | 1100 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
252b5132 RH |
1101 | return true; |
1102 | } | |
1103 | ||
1104 | /* Decide which segment the section should go in based on the | |
1105 | section name and section flags. We put loadable .note sections | |
1106 | right after the .interp section, so that the PT_NOTE segment is | |
1107 | stored right after the program headers where the OS can read it | |
1108 | in the first page. */ | |
aea4bd9d AM |
1109 | #define HAVE_SECTION(hold, name) \ |
1110 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1111 | ||
252b5132 | 1112 | if (s->flags & SEC_EXCLUDE) |
22af9fd3 AM |
1113 | { |
1114 | if (s->output_section == NULL) | |
1115 | s->output_section = bfd_abs_section_ptr; | |
1116 | return true; | |
1117 | } | |
71bfc0ae AM |
1118 | |
1119 | place = NULL; | |
1120 | if ((s->flags & SEC_ALLOC) == 0) | |
1121 | ; | |
252b5132 | 1122 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1123 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1124 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1125 | place = &hold_interp; |
252b5132 | 1126 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1127 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1128 | place = &hold_bss; |
c940e6fc JW |
1129 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1130 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1131 | place = &hold_sdata; | |
252b5132 | 1132 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1133 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1134 | place = &hold_data; |
252b5132 | 1135 | else if (strncmp (secname, ".rel", 4) == 0 |
aea4bd9d AM |
1136 | && (hold_rel.os != NULL |
1137 | || (hold_rel.os = output_rel_find ()) != NULL)) | |
db6751f2 JJ |
1138 | { |
1139 | if (! link_info.relocateable && link_info.combreloc) | |
1140 | { | |
1141 | if (strncmp (secname, ".rela", 5) == 0) | |
1142 | os = lang_output_section_find (".rela.dyn"); | |
1143 | else | |
1144 | os = lang_output_section_find (".rel.dyn"); | |
1145 | ||
1146 | if (os != NULL | |
1147 | && os->bfd_section != NULL | |
1148 | && ((s->flags ^ os->bfd_section->flags) | |
1149 | & (SEC_LOAD | SEC_ALLOC)) == 0) | |
1150 | { | |
1151 | lang_add_section (&os->children, s, os, file); | |
1152 | return true; | |
1153 | } | |
1154 | } | |
1155 | place = &hold_rel; | |
1156 | } | |
71bfc0ae | 1157 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1158 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1159 | place = &hold_rodata; |
71bfc0ae | 1160 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1161 | && hold_text.os != NULL) |
1162 | place = &hold_text; | |
252b5132 | 1163 | |
aea4bd9d AM |
1164 | #undef HAVE_SECTION |
1165 | ||
252b5132 RH |
1166 | /* Choose a unique name for the section. This will be needed if the |
1167 | same section name appears in the input file with different | |
f813923c | 1168 | loadable or allocatable characteristics. */ |
252b5132 RH |
1169 | outsecname = secname; |
1170 | if (bfd_get_section_by_name (output_bfd, outsecname) != NULL) | |
b3ea3584 AM |
1171 | { |
1172 | outsecname = bfd_get_unique_section_name (output_bfd, | |
1173 | outsecname, | |
1174 | &count); | |
1175 | if (outsecname == NULL) | |
1176 | einfo ("%F%P: place_orphan failed: %E\n"); | |
1177 | } | |
252b5132 | 1178 | |
71bfc0ae AM |
1179 | /* Start building a list of statements for this section. |
1180 | First save the current statement pointer. */ | |
1181 | old = stat_ptr; | |
1182 | ||
1183 | /* If we have found an appropriate place for the output section | |
1184 | statements for this orphan, add them to our own private list, | |
1185 | inserting them later into the global statement list. */ | |
5ba47421 | 1186 | if (place != NULL) |
252b5132 | 1187 | { |
5ba47421 AM |
1188 | stat_ptr = &add; |
1189 | lang_list_init (stat_ptr); | |
71bfc0ae | 1190 | } |
5ba47421 | 1191 | |
71bfc0ae AM |
1192 | if (config.build_constructors) |
1193 | { | |
5ba47421 AM |
1194 | /* If the name of the section is representable in C, then create |
1195 | symbols to mark the start and the end of the section. */ | |
1196 | for (ps = outsecname; *ps != '\0'; ps++) | |
1197 | if (! isalnum ((unsigned char) *ps) && *ps != '_') | |
1198 | break; | |
71bfc0ae | 1199 | if (*ps == '\0') |
5ba47421 AM |
1200 | { |
1201 | char *symname; | |
1202 | etree_type *e_align; | |
1203 | ||
1204 | symname = (char *) xmalloc (ps - outsecname + sizeof "__start_"); | |
1205 | sprintf (symname, "__start_%s", outsecname); | |
1206 | e_align = exp_unop (ALIGN_K, | |
1207 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1208 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1209 | } | |
252b5132 RH |
1210 | } |
1211 | ||
01cc8ff8 | 1212 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1213 | address = exp_intop ((bfd_vma) 0); |
01cc8ff8 AM |
1214 | else |
1215 | address = NULL; | |
252b5132 | 1216 | |
aea4bd9d AM |
1217 | os = lang_enter_output_section_statement (outsecname, address, 0, |
1218 | (bfd_vma) 0, | |
1219 | (etree_type *) NULL, | |
1220 | (etree_type *) NULL, | |
1221 | (etree_type *) NULL); | |
252b5132 | 1222 | |
39dcfe18 | 1223 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1224 | |
20d04697 L |
1225 | lang_leave_output_section_statement |
1226 | ((bfd_vma) 0, "*default*", | |
1227 | (struct lang_output_section_phdr_list *) NULL, "*default*"); | |
1228 | ||
71bfc0ae | 1229 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1230 | { |
71bfc0ae | 1231 | char *symname; |
252b5132 | 1232 | |
71bfc0ae AM |
1233 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1234 | stat_ptr back where we want it. */ | |
1235 | if (place != NULL) | |
1236 | stat_ptr = &add; | |
252b5132 | 1237 | |
71bfc0ae AM |
1238 | symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_"); |
1239 | sprintf (symname, "__stop_%s", outsecname); | |
1240 | lang_add_assignment (exp_assop ('=', symname, | |
1241 | exp_nameop (NAME, "."))); | |
1242 | } | |
5ba47421 | 1243 | |
71bfc0ae AM |
1244 | /* Restore the global list pointer. */ |
1245 | stat_ptr = old; | |
1246 | ||
1247 | if (place != NULL) | |
1248 | { | |
cde43e70 | 1249 | asection *snew, **pps; |
5ba47421 AM |
1250 | |
1251 | snew = os->bfd_section; | |
95500e1c | 1252 | |
cde43e70 AM |
1253 | /* Shuffle the bfd section list to make the output file look |
1254 | neater. This is really only cosmetic. */ | |
1255 | if (place->section == NULL) | |
5ba47421 | 1256 | { |
cde43e70 | 1257 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1258 | |
cde43e70 AM |
1259 | /* If the output statement hasn't been used to place |
1260 | any input sections (and thus doesn't have an output | |
1261 | bfd_section), look for the closest prior output statement | |
1262 | having an output section. */ | |
1263 | if (bfd_section == NULL) | |
1264 | bfd_section = output_prev_sec_find (place->os); | |
1265 | ||
1266 | if (bfd_section != NULL && bfd_section != snew) | |
1267 | place->section = &bfd_section->next; | |
1268 | } | |
1269 | ||
1270 | if (place->section != NULL) | |
1271 | { | |
5ba47421 AM |
1272 | /* Unlink the section. */ |
1273 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) | |
1274 | ; | |
1275 | *pps = snew->next; | |
1276 | ||
1277 | /* Now tack it on to the "place->os" section list. */ | |
1278 | snew->next = *place->section; | |
1279 | *place->section = snew; | |
1280 | } | |
5ba47421 | 1281 | |
cde43e70 AM |
1282 | /* Save the end of this list. Further ophans of this type will |
1283 | follow the one we've just added. */ | |
1284 | place->section = &snew->next; | |
1285 | ||
1286 | /* The following is non-cosmetic. We try to put the output | |
1287 | statements in some sort of reasonable order here, because | |
1288 | they determine the final load addresses of the orphan | |
1289 | sections. In addition, placing output statements in the | |
1290 | wrong order may require extra segments. For instance, | |
1291 | given a typical situation of all read-only sections placed | |
1292 | in one segment and following that a segment containing all | |
1293 | the read-write sections, we wouldn't want to place an orphan | |
1294 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1295 | if (add.head != NULL) |
01cc8ff8 | 1296 | { |
ed15ac6a AM |
1297 | if (place->stmt == NULL) |
1298 | { | |
1299 | /* Put the new statement list right at the head. */ | |
1300 | *add.tail = place->os->header.next; | |
1301 | place->os->header.next = add.head; | |
1302 | } | |
1303 | else | |
1304 | { | |
1305 | /* Put it after the last orphan statement we added. */ | |
1306 | *add.tail = *place->stmt; | |
1307 | *place->stmt = add.head; | |
1308 | } | |
71bfc0ae | 1309 | |
ed15ac6a AM |
1310 | /* Fix the global list pointer if we happened to tack our |
1311 | new list at the tail. */ | |
1312 | if (*old->tail == add.head) | |
1313 | old->tail = add.tail; | |
71bfc0ae | 1314 | |
ed15ac6a AM |
1315 | /* Save the end of this list. */ |
1316 | place->stmt = add.tail; | |
1317 | } | |
6a345e87 | 1318 | } |
252b5132 RH |
1319 | |
1320 | return true; | |
1321 | } | |
1322 | ||
41392f03 AM |
1323 | EOF |
1324 | fi | |
1325 | ||
1326 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1327 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1328 | |
1329 | static char * | |
41392f03 | 1330 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1331 | int *isfile; |
1332 | EOF | |
1333 | ||
1334 | if test -n "$COMPILE_IN" | |
1335 | then | |
1336 | # Scripts compiled in. | |
1337 | ||
1338 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1339 | sc="-f stringify.sed" |
252b5132 RH |
1340 | |
1341 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1342 | { |
252b5132 RH |
1343 | *isfile = 0; |
1344 | ||
1345 | if (link_info.relocateable == true && config.build_constructors == true) | |
597e2591 | 1346 | return |
252b5132 | 1347 | EOF |
597e2591 ILT |
1348 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1349 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
1350 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1351 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1352 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
db6751f2 | 1353 | if ! cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then |
597e2591 ILT |
1354 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1355 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1356 | fi |
252b5132 | 1357 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
db6751f2 JJ |
1358 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1359 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c | |
597e2591 ILT |
1360 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1361 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1362 | fi |
db6751f2 JJ |
1363 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1364 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
597e2591 ILT |
1365 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1366 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1367 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1368 | |
1369 | else | |
1370 | # Scripts read from the filesystem. | |
1371 | ||
1372 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1373 | { |
252b5132 RH |
1374 | *isfile = 1; |
1375 | ||
1376 | if (link_info.relocateable == true && config.build_constructors == true) | |
1377 | return "ldscripts/${EMULATION_NAME}.xu"; | |
1378 | else if (link_info.relocateable == true) | |
1379 | return "ldscripts/${EMULATION_NAME}.xr"; | |
1380 | else if (!config.text_read_only) | |
1381 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1382 | else if (!config.magic_demand_paged) | |
1383 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1384 | else if (link_info.shared) | |
1385 | return "ldscripts/${EMULATION_NAME}.xs"; | |
1386 | else | |
1387 | return "ldscripts/${EMULATION_NAME}.x"; | |
1388 | } | |
252b5132 | 1389 | |
3b108066 | 1390 | EOF |
41392f03 AM |
1391 | fi |
1392 | fi | |
3b108066 | 1393 | |
41392f03 | 1394 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1395 | |
4b209b22 | 1396 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
3b108066 | 1397 | |
e0ee487b L |
1398 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1399 | cat >>e${EMULATION_NAME}.c <<EOF | |
1400 | $PARSE_AND_LIST_PROLOGUE | |
1401 | EOF | |
1402 | fi | |
1403 | ||
e0ee487b L |
1404 | cat >>e${EMULATION_NAME}.c <<EOF |
1405 | ||
1406 | #include "getopt.h" | |
1407 | ||
6c1439be L |
1408 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1409 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1410 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
6c1439be | 1411 | |
e0ee487b L |
1412 | static struct option longopts[] = |
1413 | { | |
1414 | EOF | |
e0ee487b L |
1415 | |
1416 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1417 | cat >>e${EMULATION_NAME}.c <<EOF | |
699845ef L |
1418 | /* getopt allows abbreviations, so we do this to stop it from |
1419 | treating -d/-e as abbreviations for these options. */ | |
6c1439be | 1420 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
699845ef L |
1421 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1422 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
6c1439be | 1423 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
a1ab1d2a UD |
1424 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
1425 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1426 | EOF |
1427 | fi | |
1428 | ||
1429 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1430 | cat >>e${EMULATION_NAME}.c <<EOF | |
1431 | $PARSE_AND_LIST_LONGOPTS | |
1432 | EOF | |
1433 | fi | |
1434 | ||
e0ee487b L |
1435 | cat >>e${EMULATION_NAME}.c <<EOF |
1436 | {NULL, no_argument, NULL, 0} | |
1437 | }; | |
1438 | ||
04925e1e | 1439 | |
4b209b22 | 1440 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
41392f03 | 1441 | |
e0ee487b | 1442 | static int |
4b209b22 | 1443 | gld${EMULATION_NAME}_parse_args (argc, argv) |
e0ee487b L |
1444 | int argc; |
1445 | char ** argv; | |
1446 | { | |
4b209b22 AM |
1447 | int longind; |
1448 | int optc; | |
1449 | static int prevoptind = -1; | |
e0ee487b L |
1450 | int prevopterr = opterr; |
1451 | int wanterror; | |
e0ee487b | 1452 | |
4b209b22 | 1453 | if (prevoptind != optind) |
e0ee487b L |
1454 | opterr = 0; |
1455 | ||
4b209b22 AM |
1456 | wanterror = opterr; |
1457 | prevoptind = optind; | |
1458 | ||
41392f03 AM |
1459 | optc = getopt_long_only (argc, argv, |
1460 | "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, | |
1461 | &longind); | |
e0ee487b L |
1462 | opterr = prevopterr; |
1463 | ||
1464 | switch (optc) | |
1465 | { | |
1466 | default: | |
1467 | if (wanterror) | |
1468 | xexit (1); | |
4b209b22 | 1469 | optind = prevoptind; |
e0ee487b | 1470 | return 0; |
6c1439be | 1471 | |
e0ee487b | 1472 | EOF |
e0ee487b L |
1473 | |
1474 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1475 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be L |
1476 | case OPTION_DISABLE_NEW_DTAGS: |
1477 | link_info.new_dtags = false; | |
1478 | break; | |
1479 | ||
1480 | case OPTION_ENABLE_NEW_DTAGS: | |
1481 | link_info.new_dtags = true; | |
1482 | break; | |
1483 | ||
a1ab1d2a UD |
1484 | case OPTION_GROUP: |
1485 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1486 | /* Groups must be self-contained. */ | |
1487 | link_info.no_undefined = true; | |
1488 | break; | |
1489 | ||
e0ee487b L |
1490 | case 'z': |
1491 | if (strcmp (optarg, "initfirst") == 0) | |
1492 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1493 | else if (strcmp (optarg, "interpose") == 0) | |
1494 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1495 | else if (strcmp (optarg, "loadfltr") == 0) | |
1496 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1497 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1498 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1499 | else if (strcmp (optarg, "nodelete") == 0) | |
1500 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1501 | else if (strcmp (optarg, "nodlopen") == 0) | |
1502 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1503 | else if (strcmp (optarg, "nodump") == 0) | |
1504 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1505 | else if (strcmp (optarg, "now") == 0) | |
1506 | { | |
1507 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1508 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1509 | } | |
1510 | else if (strcmp (optarg, "origin") == 0) | |
1511 | { | |
1512 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1513 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1514 | } | |
a1ab1d2a UD |
1515 | else if (strcmp (optarg, "defs") == 0) |
1516 | link_info.no_undefined = true; | |
db6751f2 JJ |
1517 | else if (strcmp (optarg, "combreloc") == 0) |
1518 | link_info.combreloc = true; | |
1519 | else if (strcmp (optarg, "nocombreloc") == 0) | |
1520 | link_info.combreloc = false; | |
e0ee487b | 1521 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1522 | break; |
e0ee487b L |
1523 | EOF |
1524 | fi | |
1525 | ||
1526 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1527 | cat >>e${EMULATION_NAME}.c <<EOF | |
1528 | $PARSE_AND_LIST_ARGS_CASES | |
1529 | EOF | |
1530 | fi | |
1531 | ||
e0ee487b L |
1532 | cat >>e${EMULATION_NAME}.c <<EOF |
1533 | } | |
1534 | ||
1535 | return 1; | |
1536 | } | |
1537 | ||
41392f03 AM |
1538 | EOF |
1539 | fi | |
1540 | ||
4b209b22 | 1541 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1542 | cat >>e${EMULATION_NAME}.c <<EOF |
1543 | ||
4b209b22 | 1544 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
04925e1e | 1545 | |
e0ee487b | 1546 | static void |
4b209b22 | 1547 | gld${EMULATION_NAME}_list_options (file) |
e0ee487b L |
1548 | FILE * file; |
1549 | { | |
1550 | EOF | |
e0ee487b L |
1551 | |
1552 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1553 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1554 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1555 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1556 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
a1ab1d2a | 1557 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
f813923c HPN |
1558 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1559 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b L |
1560 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
1561 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); | |
1562 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1563 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1564 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
e0ee487b L |
1565 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
1566 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n")); | |
1567 | fprintf (file, _("\t\t\t at runtime\n")); | |
19e3be22 | 1568 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1569 | EOF |
1570 | fi | |
1571 | ||
1572 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1573 | cat >>e${EMULATION_NAME}.c <<EOF | |
1574 | $PARSE_AND_LIST_OPTIONS | |
1575 | EOF | |
1576 | fi | |
1577 | ||
e0ee487b L |
1578 | cat >>e${EMULATION_NAME}.c <<EOF |
1579 | } | |
1580 | EOF | |
e0ee487b L |
1581 | |
1582 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1583 | cat >>e${EMULATION_NAME}.c <<EOF | |
1584 | $PARSE_AND_LIST_EPILOGUE | |
1585 | EOF | |
1586 | fi | |
41392f03 AM |
1587 | fi |
1588 | else | |
4b209b22 | 1589 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
41392f03 | 1590 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1591 | #define gld${EMULATION_NAME}_parse_args NULL |
41392f03 AM |
1592 | EOF |
1593 | fi | |
4b209b22 | 1594 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1595 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1596 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1597 | EOF |
1598 | fi | |
1599 | fi | |
e0ee487b | 1600 | |
252b5132 RH |
1601 | cat >>e${EMULATION_NAME}.c <<EOF |
1602 | ||
60bcf0fa | 1603 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1604 | { |
41392f03 AM |
1605 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1606 | ${LDEMUL_SYSLIB-syslib_default}, | |
1607 | ${LDEMUL_HLL-hll_default}, | |
1608 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1609 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1610 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1611 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1612 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1613 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1614 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1615 | "${EMULATION_NAME}", |
1616 | "${OUTPUT_FORMAT}", | |
41392f03 AM |
1617 | ${LDEMUL_FINISH-NULL}, |
1618 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, | |
1619 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1620 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1621 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
4b209b22 | 1622 | ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, |
41392f03 | 1623 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1624 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
41392f03 AM |
1625 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
1626 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, | |
252b5132 RH |
1627 | }; |
1628 | EOF |