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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 ${EMULATION_NAME} | |
a2b64bed | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
87f2a346 | 16 | Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <[email protected]> |
18 | ELF support by Ian Lance Taylor <[email protected]> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${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${EMULATION_NAME}_open_dynamic_archive |
76 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); | |
cde43e70 AM |
77 | static lang_output_section_statement_type *output_rel_find |
78 | PARAMS ((void)); | |
73810896 AM |
79 | static asection *output_prev_sec_find |
80 | PARAMS ((lang_output_section_statement_type *)); | |
252b5132 RH |
81 | static boolean gld${EMULATION_NAME}_place_orphan |
82 | PARAMS ((lang_input_statement_type *, asection *)); | |
cde43e70 AM |
83 | static char *gld${EMULATION_NAME}_get_script |
84 | PARAMS ((int *isfile)); | |
252b5132 | 85 | |
41392f03 AM |
86 | EOF |
87 | ||
88 | # Import any needed special functions and/or overrides. | |
89 | # | |
90 | if test -n "$EXTRA_EM_FILE" ; then | |
91 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
92 | fi | |
93 | ||
f813923c | 94 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
95 | # variables. If the name of the overriding function is the same as is |
96 | # defined in this file, then don't output this file's version. | |
97 | # If a different overriding name is given then output the standard function | |
98 | # as presumably it is called from the overriding function. | |
99 | # | |
100 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
101 | cat >>e${EMULATION_NAME}.c <<EOF | |
102 | ||
252b5132 | 103 | static void |
41392f03 | 104 | gld${EMULATION_NAME}_before_parse () |
252b5132 | 105 | { |
86af25fe L |
106 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
107 | if (arch) | |
108 | { | |
109 | ldfile_output_architecture = arch->arch; | |
110 | ldfile_output_machine = arch->mach; | |
111 | ldfile_output_machine_name = arch->printable_name; | |
112 | } | |
113 | else | |
114 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; | |
252b5132 RH |
115 | config.dynamic_link = ${DYNAMIC_LINK-true}; |
116 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`; | |
117 | } | |
118 | ||
41392f03 AM |
119 | EOF |
120 | fi | |
121 | ||
122 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
123 | |
124 | /* These variables are required to pass information back and forth | |
125 | between after_open and check_needed and stat_needed and vercheck. */ | |
126 | ||
127 | static struct bfd_link_needed_list *global_needed; | |
128 | static struct stat global_stat; | |
129 | static boolean global_found; | |
130 | static struct bfd_link_needed_list *global_vercheck_needed; | |
131 | static boolean global_vercheck_failed; | |
132 | ||
252b5132 | 133 | |
04925e1e AM |
134 | /* On Linux, it's possible to have different versions of the same |
135 | shared library linked against different versions of libc. The | |
136 | dynamic linker somehow tags which libc version to use in | |
137 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
138 | executable, chooses which version of the shared library to use. | |
252b5132 | 139 | |
04925e1e AM |
140 | We try to do a similar check here by checking whether this shared |
141 | library needs any other shared libraries which may conflict with | |
142 | libraries we have already included in the link. If it does, we | |
143 | skip it, and try to find another shared library farther on down the | |
144 | link path. | |
252b5132 | 145 | |
04925e1e AM |
146 | This is called via lang_for_each_input_file. |
147 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 148 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 149 | a conflicting version. */ |
252b5132 | 150 | |
04925e1e AM |
151 | static void |
152 | gld${EMULATION_NAME}_vercheck (s) | |
153 | lang_input_statement_type *s; | |
154 | { | |
1c9acd94 | 155 | const char *soname; |
04925e1e | 156 | struct bfd_link_needed_list *l; |
252b5132 | 157 | |
04925e1e AM |
158 | if (global_vercheck_failed) |
159 | return; | |
160 | if (s->the_bfd == NULL | |
161 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
162 | return; | |
252b5132 | 163 | |
04925e1e AM |
164 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
165 | if (soname == NULL) | |
1c9acd94 | 166 | soname = basename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
167 | |
168 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
169 | { | |
170 | const char *suffix; | |
171 | ||
1c9acd94 | 172 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
173 | { |
174 | /* Probably can't happen, but it's an easy check. */ | |
175 | continue; | |
252b5132 RH |
176 | } |
177 | ||
04925e1e | 178 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
179 | continue; |
180 | ||
04925e1e AM |
181 | suffix = strstr (l->name, ".so."); |
182 | if (suffix == NULL) | |
183 | continue; | |
184 | ||
185 | suffix += sizeof ".so." - 1; | |
186 | ||
1c9acd94 | 187 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
188 | { |
189 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
190 | the object we are considering needs a dynamic object | |
191 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
192 | appears to be a version mismatch, so we tell the caller | |
193 | to try a different version of this library. */ | |
194 | global_vercheck_failed = true; | |
195 | return; | |
196 | } | |
252b5132 RH |
197 | } |
198 | } | |
199 | ||
252b5132 | 200 | |
04925e1e AM |
201 | /* See if an input file matches a DT_NEEDED entry by running stat on |
202 | the file. */ | |
203 | ||
204 | static void | |
205 | gld${EMULATION_NAME}_stat_needed (s) | |
206 | lang_input_statement_type *s; | |
252b5132 | 207 | { |
04925e1e AM |
208 | struct stat st; |
209 | const char *suffix; | |
210 | const char *soname; | |
252b5132 | 211 | |
04925e1e AM |
212 | if (global_found) |
213 | return; | |
214 | if (s->the_bfd == NULL) | |
215 | return; | |
216 | ||
217 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 218 | { |
04925e1e AM |
219 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
220 | return; | |
221 | } | |
252b5132 | 222 | |
04925e1e AM |
223 | if (st.st_dev == global_stat.st_dev |
224 | && st.st_ino == global_stat.st_ino) | |
225 | { | |
226 | global_found = true; | |
227 | return; | |
228 | } | |
252b5132 | 229 | |
04925e1e AM |
230 | /* We issue a warning if it looks like we are including two |
231 | different versions of the same shared library. For example, | |
232 | there may be a problem if -lc picks up libc.so.6 but some other | |
233 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 234 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
235 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
236 | If we really want to issue warnings about mixing version numbers | |
237 | of shared libraries, we need to find a better way. */ | |
252b5132 | 238 | |
04925e1e AM |
239 | if (strchr (global_needed->name, '/') != NULL) |
240 | return; | |
241 | suffix = strstr (global_needed->name, ".so."); | |
242 | if (suffix == NULL) | |
243 | return; | |
244 | suffix += sizeof ".so." - 1; | |
252b5132 | 245 | |
04925e1e AM |
246 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
247 | if (soname == NULL) | |
1c9acd94 | 248 | soname = basename (s->filename); |
252b5132 | 249 | |
cde43e70 | 250 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 251 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 252 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
253 | } |
254 | ||
04925e1e | 255 | |
252b5132 RH |
256 | /* This function is called for each possible name for a dynamic object |
257 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
258 | to skip the check for a conflicting version. */ | |
259 | ||
260 | static boolean | |
261 | gld${EMULATION_NAME}_try_needed (name, force) | |
262 | const char *name; | |
263 | int force; | |
264 | { | |
265 | bfd *abfd; | |
ec4eb78a | 266 | const char *soname; |
252b5132 RH |
267 | |
268 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
269 | if (abfd == NULL) | |
270 | return false; | |
271 | if (! bfd_check_format (abfd, bfd_object)) | |
272 | { | |
cde43e70 | 273 | bfd_close (abfd); |
252b5132 RH |
274 | return false; |
275 | } | |
276 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
277 | { | |
cde43e70 | 278 | bfd_close (abfd); |
252b5132 RH |
279 | return false; |
280 | } | |
281 | ||
282 | /* Check whether this object would include any conflicting library | |
283 | versions. If FORCE is set, then we skip this check; we use this | |
284 | the second time around, if we couldn't find any compatible | |
285 | instance of the shared library. */ | |
286 | ||
287 | if (! force) | |
288 | { | |
289 | struct bfd_link_needed_list *needed; | |
290 | ||
291 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
292 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
293 | ||
294 | if (needed != NULL) | |
295 | { | |
296 | global_vercheck_needed = needed; | |
297 | global_vercheck_failed = false; | |
298 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); | |
299 | if (global_vercheck_failed) | |
300 | { | |
cde43e70 | 301 | bfd_close (abfd); |
252b5132 RH |
302 | /* Return false to force the caller to move on to try |
303 | another file on the search path. */ | |
304 | return false; | |
305 | } | |
306 | ||
307 | /* But wait! It gets much worse. On Linux, if a shared | |
308 | library does not use libc at all, we are supposed to skip | |
309 | it the first time around in case we encounter a shared | |
310 | library later on with the same name which does use the | |
311 | version of libc that we want. This is much too horrible | |
312 | to use on any system other than Linux. */ | |
313 | ||
314 | EOF | |
315 | case ${target} in | |
316 | *-*-linux-gnu*) | |
317 | cat >>e${EMULATION_NAME}.c <<EOF | |
318 | { | |
319 | struct bfd_link_needed_list *l; | |
320 | ||
321 | for (l = needed; l != NULL; l = l->next) | |
322 | if (strncmp (l->name, "libc.so", 7) == 0) | |
323 | break; | |
324 | if (l == NULL) | |
325 | { | |
cde43e70 | 326 | bfd_close (abfd); |
252b5132 RH |
327 | return false; |
328 | } | |
329 | } | |
330 | ||
331 | EOF | |
332 | ;; | |
333 | esac | |
334 | cat >>e${EMULATION_NAME}.c <<EOF | |
335 | } | |
336 | } | |
337 | ||
338 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
339 | ||
04925e1e AM |
340 | /* We have already checked that there is no other input file of the |
341 | same name. We must now check again that we are not including the | |
342 | same file twice. We need to do this because on many systems | |
343 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
344 | reference libc.so.1. If we have already included libc.so, we | |
345 | don't want to include libc.so.1 if they are the same file, and we | |
346 | can only check that using stat. */ | |
347 | ||
348 | if (bfd_stat (abfd, &global_stat) != 0) | |
349 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
350 | |
351 | /* First strip off everything before the last '/'. */ | |
1c9acd94 | 352 | soname = basename (abfd->filename); |
ec4eb78a L |
353 | |
354 | if (trace_file_tries) | |
355 | info_msg (_("found %s at %s\n"), soname, name); | |
356 | ||
04925e1e AM |
357 | global_found = false; |
358 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); | |
359 | if (global_found) | |
360 | { | |
361 | /* Return true to indicate that we found the file, even though | |
362 | we aren't going to do anything with it. */ | |
363 | return true; | |
364 | } | |
365 | ||
41392f03 | 366 | /* Tell the ELF backend that we don't want the output file to have a |
04925e1e AM |
367 | DT_NEEDED entry for this file. */ |
368 | bfd_elf_set_dt_needed_name (abfd, ""); | |
369 | ||
c2a1a436 DB |
370 | /* Previos basename call was clobbered in lang_for_each_input_file. */ |
371 | soname = basename (abfd->filename); | |
372 | ||
04925e1e AM |
373 | /* Tell the ELF backend that the output file needs a DT_NEEDED |
374 | entry for this file if it is used to resolve the reference in | |
375 | a regular object. */ | |
ec4eb78a | 376 | bfd_elf_set_dt_needed_soname (abfd, soname); |
04925e1e AM |
377 | |
378 | /* Add this file into the symbol table. */ | |
379 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
380 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
381 | ||
382 | return true; | |
383 | } | |
384 | ||
385 | ||
386 | /* Search for a needed file in a path. */ | |
387 | ||
388 | static boolean | |
389 | gld${EMULATION_NAME}_search_needed (path, name, force) | |
390 | const char *path; | |
391 | const char *name; | |
392 | int force; | |
393 | { | |
394 | const char *s; | |
395 | size_t len; | |
396 | ||
cc5ce052 UD |
397 | if (name[0] == '/') |
398 | return gld${EMULATION_NAME}_try_needed (name, force); | |
399 | ||
04925e1e AM |
400 | if (path == NULL || *path == '\0') |
401 | return false; | |
402 | len = strlen (name); | |
403 | while (1) | |
404 | { | |
405 | char *filename, *sset; | |
406 | ||
407 | s = strchr (path, ':'); | |
408 | if (s == NULL) | |
409 | s = path + strlen (path); | |
410 | ||
411 | filename = (char *) xmalloc (s - path + len + 2); | |
412 | if (s == path) | |
413 | sset = filename; | |
414 | else | |
415 | { | |
416 | memcpy (filename, path, s - path); | |
417 | filename[s - path] = '/'; | |
418 | sset = filename + (s - path) + 1; | |
419 | } | |
420 | strcpy (sset, name); | |
421 | ||
422 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
423 | return true; | |
424 | ||
425 | free (filename); | |
426 | ||
427 | if (*s == '\0') | |
428 | break; | |
429 | path = s + 1; | |
430 | } | |
431 | ||
432 | return false; | |
433 | } | |
434 | ||
435 | EOF | |
436 | if [ "x${host}" = "x${target}" ] ; then | |
437 | case " ${EMULATION_LIBPATH} " in | |
438 | *" ${EMULATION_NAME} "*) | |
482e8b32 DB |
439 | case ${target} in |
440 | *-*-linux-gnu*) | |
441 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
442 | |
443 | /* For a native linker, check the file /etc/ld.so.conf for directories | |
444 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 445 | only meaningful on Linux. */ |
04925e1e AM |
446 | |
447 | static boolean gld${EMULATION_NAME}_check_ld_so_conf | |
448 | PARAMS ((const char *, int)); | |
449 | ||
450 | static boolean | |
451 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) | |
452 | const char *name; | |
453 | int force; | |
454 | { | |
455 | static boolean initialized; | |
456 | static char *ld_so_conf; | |
457 | ||
458 | if (! initialized) | |
459 | { | |
460 | FILE *f; | |
461 | ||
462 | f = fopen ("/etc/ld.so.conf", FOPEN_RT); | |
463 | if (f != NULL) | |
464 | { | |
465 | char *b; | |
466 | size_t len, alloc; | |
467 | int c; | |
468 | ||
469 | len = 0; | |
470 | alloc = 100; | |
471 | b = (char *) xmalloc (alloc); | |
472 | ||
473 | while ((c = getc (f)) != EOF) | |
474 | { | |
475 | if (len + 1 >= alloc) | |
476 | { | |
477 | alloc *= 2; | |
478 | b = (char *) xrealloc (b, alloc); | |
479 | } | |
480 | if (c != ':' | |
481 | && c != ' ' | |
482 | && c != '\t' | |
483 | && c != '\n' | |
484 | && c != ',') | |
485 | { | |
486 | b[len] = c; | |
487 | ++len; | |
488 | } | |
489 | else | |
490 | { | |
491 | if (len > 0 && b[len - 1] != ':') | |
492 | { | |
493 | b[len] = ':'; | |
494 | ++len; | |
495 | } | |
496 | } | |
497 | } | |
498 | ||
499 | if (len > 0 && b[len - 1] == ':') | |
500 | --len; | |
252b5132 | 501 | |
04925e1e AM |
502 | if (len > 0) |
503 | b[len] = '\0'; | |
504 | else | |
505 | { | |
506 | free (b); | |
507 | b = NULL; | |
508 | } | |
252b5132 | 509 | |
04925e1e | 510 | fclose (f); |
252b5132 | 511 | |
04925e1e AM |
512 | ld_so_conf = b; |
513 | } | |
49e56c49 | 514 | |
04925e1e AM |
515 | initialized = true; |
516 | } | |
49e56c49 | 517 | |
04925e1e AM |
518 | if (ld_so_conf == NULL) |
519 | return false; | |
252b5132 | 520 | |
04925e1e | 521 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
252b5132 RH |
522 | } |
523 | ||
04925e1e | 524 | EOF |
482e8b32 DB |
525 | # Linux |
526 | ;; | |
527 | esac | |
04925e1e AM |
528 | esac |
529 | fi | |
530 | cat >>e${EMULATION_NAME}.c <<EOF | |
531 | ||
252b5132 RH |
532 | /* See if an input file matches a DT_NEEDED entry by name. */ |
533 | ||
534 | static void | |
535 | gld${EMULATION_NAME}_check_needed (s) | |
536 | lang_input_statement_type *s; | |
537 | { | |
538 | if (global_found) | |
539 | return; | |
540 | ||
577a0623 | 541 | if (s->filename != NULL) |
252b5132 | 542 | { |
577a0623 AM |
543 | const char *f; |
544 | ||
545 | if (strcmp (s->filename, global_needed->name) == 0) | |
546 | { | |
547 | global_found = true; | |
548 | return; | |
549 | } | |
550 | ||
551 | if (s->search_dirs_flag) | |
552 | { | |
553 | f = strrchr (s->filename, '/'); | |
554 | if (f != NULL | |
555 | && strcmp (f + 1, global_needed->name) == 0) | |
556 | { | |
557 | global_found = true; | |
558 | return; | |
559 | } | |
560 | } | |
252b5132 RH |
561 | } |
562 | ||
563 | if (s->the_bfd != NULL) | |
564 | { | |
565 | const char *soname; | |
566 | ||
567 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
568 | if (soname != NULL | |
569 | && strcmp (soname, global_needed->name) == 0) | |
570 | { | |
571 | global_found = true; | |
572 | return; | |
573 | } | |
574 | } | |
252b5132 RH |
575 | } |
576 | ||
41392f03 AM |
577 | EOF |
578 | ||
579 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
580 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
581 | |
582 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
583 | |
584 | static void | |
04925e1e | 585 | gld${EMULATION_NAME}_after_open () |
252b5132 | 586 | { |
04925e1e | 587 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 588 | |
04925e1e AM |
589 | /* We only need to worry about this when doing a final link. */ |
590 | if (link_info.relocateable || link_info.shared) | |
252b5132 RH |
591 | return; |
592 | ||
04925e1e AM |
593 | /* Get the list of files which appear in DT_NEEDED entries in |
594 | dynamic objects included in the link (often there will be none). | |
595 | For each such file, we want to track down the corresponding | |
596 | library, and include the symbol table in the link. This is what | |
597 | the runtime dynamic linker will do. Tracking the files down here | |
598 | permits one dynamic object to include another without requiring | |
599 | special action by the person doing the link. Note that the | |
600 | needed list can actually grow while we are stepping through this | |
601 | loop. */ | |
602 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
603 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 604 | { |
04925e1e AM |
605 | struct bfd_link_needed_list *ll; |
606 | int force; | |
252b5132 | 607 | |
04925e1e AM |
608 | /* If we've already seen this file, skip it. */ |
609 | for (ll = needed; ll != l; ll = ll->next) | |
610 | if (strcmp (ll->name, l->name) == 0) | |
611 | break; | |
612 | if (ll != l) | |
613 | continue; | |
252b5132 | 614 | |
04925e1e AM |
615 | /* See if this file was included in the link explicitly. */ |
616 | global_needed = l; | |
617 | global_found = false; | |
618 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); | |
619 | if (global_found) | |
620 | continue; | |
252b5132 | 621 | |
ec4eb78a L |
622 | if (trace_file_tries) |
623 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
624 | ||
04925e1e AM |
625 | /* We need to find this file and include the symbol table. We |
626 | want to search for the file in the same way that the dynamic | |
627 | linker will search. That means that we want to use | |
628 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
629 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
630 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
631 | We do not search using the -L arguments. | |
252b5132 | 632 | |
04925e1e AM |
633 | We search twice. The first time, we skip objects which may |
634 | introduce version mismatches. The second time, we force | |
635 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
636 | for (force = 0; force < 2; force++) | |
637 | { | |
04925e1e AM |
638 | size_t len; |
639 | search_dirs_type *search; | |
6dd8c765 L |
640 | EOF |
641 | if [ "x${host}" = "x${target}" ] ; then | |
642 | case " ${EMULATION_LIBPATH} " in | |
643 | *" ${EMULATION_NAME} "*) | |
644 | cat >>e${EMULATION_NAME}.c <<EOF | |
dcb0bd0e | 645 | const char *lib_path; |
6dd8c765 L |
646 | struct bfd_link_needed_list *rp; |
647 | int found; | |
648 | EOF | |
649 | ;; | |
650 | esac | |
651 | fi | |
652 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 653 | |
04925e1e AM |
654 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
655 | l->name, force)) | |
656 | break; | |
dcb0bd0e L |
657 | EOF |
658 | if [ "x${host}" = "x${target}" ] ; then | |
659 | case " ${EMULATION_LIBPATH} " in | |
660 | *" ${EMULATION_NAME} "*) | |
661 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
662 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
663 | l->name, force)) | |
664 | break; | |
665 | if (command_line.rpath_link == NULL | |
666 | && command_line.rpath == NULL) | |
667 | { | |
668 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
669 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, | |
670 | force)) | |
671 | break; | |
672 | } | |
04925e1e AM |
673 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
674 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) | |
675 | break; | |
ec4eb78a L |
676 | |
677 | found = 0; | |
6dd8c765 L |
678 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
679 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a L |
680 | { |
681 | found = (rp->by == l->by | |
682 | && gld${EMULATION_NAME}_search_needed (rp->name, | |
683 | l->name, | |
684 | force)); | |
685 | } | |
686 | if (found) | |
687 | break; | |
688 | ||
04925e1e AM |
689 | EOF |
690 | ;; | |
691 | esac | |
692 | fi | |
693 | cat >>e${EMULATION_NAME}.c <<EOF | |
694 | len = strlen (l->name); | |
695 | for (search = search_head; search != NULL; search = search->next) | |
696 | { | |
697 | char *filename; | |
252b5132 | 698 | |
04925e1e AM |
699 | if (search->cmdline) |
700 | continue; | |
701 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
702 | sprintf (filename, "%s/%s", search->name, l->name); | |
703 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
704 | break; | |
705 | free (filename); | |
706 | } | |
707 | if (search != NULL) | |
708 | break; | |
709 | EOF | |
710 | if [ "x${host}" = "x${target}" ] ; then | |
711 | case " ${EMULATION_LIBPATH} " in | |
712 | *" ${EMULATION_NAME} "*) | |
482e8b32 DB |
713 | case ${target} in |
714 | *-*-linux-gnu*) | |
715 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
716 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
717 | break; | |
718 | EOF | |
482e8b32 DB |
719 | # Linux |
720 | ;; | |
721 | esac | |
04925e1e AM |
722 | ;; |
723 | esac | |
724 | fi | |
725 | cat >>e${EMULATION_NAME}.c <<EOF | |
726 | } | |
252b5132 | 727 | |
04925e1e AM |
728 | if (force < 2) |
729 | continue; | |
252b5132 | 730 | |
e374f1d9 | 731 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
732 | l->name, l->by); |
733 | } | |
734 | } | |
252b5132 | 735 | |
41392f03 AM |
736 | EOF |
737 | fi | |
738 | ||
739 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 740 | |
04925e1e | 741 | /* Look through an expression for an assignment statement. */ |
252b5132 | 742 | |
04925e1e AM |
743 | static void |
744 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
745 | etree_type *exp; | |
746 | { | |
747 | struct bfd_link_hash_entry *h; | |
748 | ||
749 | switch (exp->type.node_class) | |
252b5132 | 750 | { |
04925e1e AM |
751 | case etree_provide: |
752 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
753 | false, false, false); | |
754 | if (h == NULL) | |
755 | break; | |
252b5132 | 756 | |
04925e1e AM |
757 | /* We call record_link_assignment even if the symbol is defined. |
758 | This is because if it is defined by a dynamic object, we | |
759 | actually want to use the value defined by the linker script, | |
760 | not the value from the dynamic object (because we are setting | |
761 | symbols like etext). If the symbol is defined by a regular | |
762 | object, then, as it happens, calling record_link_assignment | |
763 | will do no harm. */ | |
764 | ||
765 | /* Fall through. */ | |
766 | case etree_assign: | |
767 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 768 | { |
04925e1e AM |
769 | if (! (bfd_elf${ELFSIZE}_record_link_assignment |
770 | (output_bfd, &link_info, exp->assign.dst, | |
771 | exp->type.node_class == etree_provide ? true : false))) | |
772 | einfo ("%P%F: failed to record assignment to %s: %E\n", | |
773 | exp->assign.dst); | |
252b5132 | 774 | } |
04925e1e AM |
775 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
776 | break; | |
252b5132 | 777 | |
04925e1e AM |
778 | case etree_binary: |
779 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
780 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
781 | break; | |
252b5132 | 782 | |
04925e1e AM |
783 | case etree_trinary: |
784 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
785 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
786 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
787 | break; | |
252b5132 | 788 | |
04925e1e AM |
789 | case etree_unary: |
790 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
791 | break; | |
252b5132 | 792 | |
04925e1e AM |
793 | default: |
794 | break; | |
252b5132 RH |
795 | } |
796 | } | |
797 | ||
04925e1e AM |
798 | |
799 | /* This is called by the before_allocation routine via | |
800 | lang_for_each_statement. It locates any assignment statements, and | |
801 | tells the ELF backend about them, in case they are assignments to | |
802 | symbols which are referred to by dynamic objects. */ | |
803 | ||
804 | static void | |
805 | gld${EMULATION_NAME}_find_statement_assignment (s) | |
806 | lang_statement_union_type *s; | |
807 | { | |
808 | if (s->header.type == lang_assignment_statement_enum) | |
809 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
810 | } | |
811 | ||
41392f03 AM |
812 | EOF |
813 | ||
814 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
815 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
816 | ELF_INTERPRETER_SET_DEFAULT=" | |
817 | if (sinterp != NULL) | |
818 | { | |
819 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
820 | sinterp->_raw_size = strlen (sinterp->contents) + 1; | |
821 | } | |
822 | ||
823 | " | |
824 | else | |
825 | ELF_INTERPRETER_SET_DEFAULT= | |
826 | fi | |
41392f03 | 827 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 828 | |
252b5132 RH |
829 | /* This is called after the sections have been attached to output |
830 | sections, but before any sizes or addresses have been set. */ | |
831 | ||
832 | static void | |
833 | gld${EMULATION_NAME}_before_allocation () | |
834 | { | |
835 | const char *rpath; | |
836 | asection *sinterp; | |
837 | ||
838 | /* If we are going to make any variable assignments, we need to let | |
839 | the ELF backend know about them in case the variables are | |
840 | referred to by dynamic objects. */ | |
841 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
842 | ||
843 | /* Let the ELF backend work out the sizes of any sections required | |
844 | by dynamic linking. */ | |
845 | rpath = command_line.rpath; | |
846 | if (rpath == NULL) | |
847 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
848 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections | |
849 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 850 | command_line.filter_shlib, |
252b5132 RH |
851 | (const char * const *) command_line.auxiliary_filters, |
852 | &link_info, &sinterp, lang_elf_version_info))) | |
853 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 854 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
855 | /* Let the user override the dynamic linker we are using. */ |
856 | if (command_line.interpreter != NULL | |
857 | && sinterp != NULL) | |
858 | { | |
859 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
860 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
861 | } | |
862 | ||
863 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
864 | we treat such sections as containing warning messages. We print | |
865 | out the warning message, and then zero out the section size so | |
866 | that it does not get copied into the output file. */ | |
867 | ||
868 | { | |
869 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
870 | { | |
871 | asection *s; | |
872 | bfd_size_type sz; | |
873 | char *msg; | |
874 | boolean ret; | |
875 | ||
876 | if (is->just_syms_flag) | |
877 | continue; | |
878 | ||
879 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
880 | if (s == NULL) | |
881 | continue; | |
882 | ||
883 | sz = bfd_section_size (is->the_bfd, s); | |
884 | msg = xmalloc ((size_t) sz + 1); | |
885 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
886 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", | |
887 | is->the_bfd); | |
888 | msg[sz] = '\0'; | |
889 | ret = link_info.callbacks->warning (&link_info, msg, | |
890 | (const char *) NULL, | |
891 | is->the_bfd, (asection *) NULL, | |
892 | (bfd_vma) 0); | |
893 | ASSERT (ret); | |
894 | free (msg); | |
895 | ||
896 | /* Clobber the section size, so that we don't waste copying the | |
897 | warning into the output file. */ | |
898 | s->_raw_size = 0; | |
899 | } | |
900 | } | |
901 | } | |
902 | ||
41392f03 AM |
903 | EOF |
904 | fi | |
905 | ||
906 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
907 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 908 | |
04925e1e AM |
909 | /* Try to open a dynamic archive. This is where we know that ELF |
910 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
911 | like hpux). */ | |
912 | ||
913 | static boolean | |
914 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) | |
915 | const char *arch; | |
916 | search_dirs_type *search; | |
917 | lang_input_statement_type *entry; | |
252b5132 | 918 | { |
04925e1e AM |
919 | const char *filename; |
920 | char *string; | |
252b5132 | 921 | |
04925e1e AM |
922 | if (! entry->is_archive) |
923 | return false; | |
252b5132 | 924 | |
04925e1e | 925 | filename = entry->filename; |
252b5132 | 926 | |
04925e1e AM |
927 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
928 | is defined, but it does not seem worth the headache to optimize | |
929 | away those two bytes of space. */ | |
930 | string = (char *) xmalloc (strlen (search->name) | |
931 | + strlen (filename) | |
932 | + strlen (arch) | |
933 | #ifdef EXTRA_SHLIB_EXTENSION | |
934 | + strlen (EXTRA_SHLIB_EXTENSION) | |
935 | #endif | |
936 | + sizeof "/lib.so"); | |
937 | ||
938 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
939 | ||
940 | #ifdef EXTRA_SHLIB_EXTENSION | |
941 | /* Try the .so extension first. If that fails build a new filename | |
942 | using EXTRA_SHLIB_EXTENSION. */ | |
943 | if (! ldfile_try_open_bfd (string, entry)) | |
944 | sprintf (string, "%s/lib%s%s%s", search->name, | |
945 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
946 | #endif | |
947 | ||
948 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 949 | { |
04925e1e AM |
950 | free (string); |
951 | return false; | |
952 | } | |
252b5132 | 953 | |
04925e1e | 954 | entry->filename = string; |
252b5132 | 955 | |
04925e1e AM |
956 | /* We have found a dynamic object to include in the link. The ELF |
957 | backend linker will create a DT_NEEDED entry in the .dynamic | |
958 | section naming this file. If this file includes a DT_SONAME | |
959 | entry, it will be used. Otherwise, the ELF linker will just use | |
960 | the name of the file. For an archive found by searching, like | |
961 | this one, the DT_NEEDED entry should consist of just the name of | |
962 | the file, without the path information used to find it. Note | |
963 | that we only need to do this if we have a dynamic object; an | |
964 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 965 | |
04925e1e AM |
966 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
967 | very pretty. I haven't been able to think of anything that is | |
968 | pretty, though. */ | |
969 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
970 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
971 | { | |
04925e1e | 972 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 973 | |
04925e1e | 974 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 975 | filename we recorded earlier. */ |
04925e1e | 976 | |
1c9acd94 L |
977 | filename = xstrdup (basename (entry->filename)); |
978 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); | |
04925e1e AM |
979 | } |
980 | ||
981 | return true; | |
982 | } | |
983 | ||
41392f03 AM |
984 | EOF |
985 | fi | |
cde43e70 AM |
986 | |
987 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
988 | cat >>e${EMULATION_NAME}.c <<EOF |
989 | ||
990 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 991 | |
04925e1e AM |
992 | static lang_output_section_statement_type * |
993 | output_rel_find () | |
994 | { | |
995 | lang_statement_union_type *u; | |
996 | lang_output_section_statement_type *lookup; | |
997 | ||
998 | for (u = lang_output_section_statement.head; | |
999 | u != (lang_statement_union_type *) NULL; | |
1000 | u = lookup->next) | |
1001 | { | |
1002 | lookup = &u->output_section_statement; | |
1003 | if (strncmp (".rel", lookup->name, 4) == 0 | |
1004 | && lookup->bfd_section != NULL | |
1005 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1006 | { | |
1007 | return lookup; | |
1008 | } | |
252b5132 | 1009 | } |
04925e1e | 1010 | return (lang_output_section_statement_type *) NULL; |
252b5132 RH |
1011 | } |
1012 | ||
95500e1c JJ |
1013 | /* Find the last output section before given output statement. |
1014 | Used by place_orphan. */ | |
1015 | ||
1016 | static asection * | |
1017 | output_prev_sec_find (os) | |
1018 | lang_output_section_statement_type *os; | |
1019 | { | |
1020 | asection *s = (asection *) NULL; | |
1021 | lang_statement_union_type *u; | |
1022 | lang_output_section_statement_type *lookup; | |
1023 | ||
1024 | for (u = lang_output_section_statement.head; | |
1025 | u != (lang_statement_union_type *) NULL; | |
1026 | u = lookup->next) | |
1027 | { | |
1028 | lookup = &u->output_section_statement; | |
1029 | if (lookup == os) | |
cde43e70 AM |
1030 | return s; |
1031 | ||
1032 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1033 | s = lookup->bfd_section; |
1034 | } | |
1035 | ||
cde43e70 | 1036 | return NULL; |
95500e1c JJ |
1037 | } |
1038 | ||
252b5132 RH |
1039 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1040 | sections in the right segment. */ | |
1041 | ||
41392f03 | 1042 | struct orphan_save { |
6a345e87 | 1043 | lang_output_section_statement_type *os; |
5ba47421 | 1044 | asection **section; |
6a345e87 AM |
1045 | lang_statement_union_type **stmt; |
1046 | }; | |
252b5132 | 1047 | |
252b5132 RH |
1048 | static boolean |
1049 | gld${EMULATION_NAME}_place_orphan (file, s) | |
1050 | lang_input_statement_type *file; | |
1051 | asection *s; | |
1052 | { | |
aea4bd9d AM |
1053 | static struct orphan_save hold_text; |
1054 | static struct orphan_save hold_rodata; | |
1055 | static struct orphan_save hold_data; | |
1056 | static struct orphan_save hold_bss; | |
1057 | static struct orphan_save hold_rel; | |
1058 | static struct orphan_save hold_interp; | |
c940e6fc | 1059 | static struct orphan_save hold_sdata; |
f9989030 | 1060 | static int count = 1; |
6a345e87 | 1061 | struct orphan_save *place; |
71bfc0ae | 1062 | lang_statement_list_type *old; |
252b5132 RH |
1063 | lang_statement_list_type add; |
1064 | etree_type *address; | |
a854a4a7 | 1065 | const char *secname; |
252b5132 | 1066 | const char *outsecname; |
a854a4a7 | 1067 | const char *ps = NULL; |
252b5132 RH |
1068 | lang_output_section_statement_type *os; |
1069 | ||
aea4bd9d AM |
1070 | secname = bfd_get_section_name (s->owner, s); |
1071 | ||
577a0623 | 1072 | if (! config.unique_orphan_sections && ! unique_section_p (secname)) |
252b5132 | 1073 | { |
6d02a667 | 1074 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1075 | os = lang_output_section_find (secname); |
1076 | ||
1077 | if (os != NULL | |
0f33d40b AM |
1078 | && (os->bfd_section == NULL |
1079 | || ((s->flags ^ os->bfd_section->flags) | |
1080 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1081 | { |
0f33d40b | 1082 | /* We already have an output section statement with this |
22af9fd3 | 1083 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1084 | lang_add_section (&os->children, s, os, file); |
a854a4a7 AM |
1085 | return true; |
1086 | } | |
252b5132 RH |
1087 | } |
1088 | ||
aea4bd9d AM |
1089 | if (hold_text.os == NULL) |
1090 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1091 | |
1092 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1093 | sections into the .text section to get them out of the way. */ | |
1094 | if (! link_info.shared | |
1095 | && ! link_info.relocateable | |
1096 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
6a345e87 | 1097 | && hold_text.os != NULL) |
252b5132 | 1098 | { |
39dcfe18 | 1099 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
252b5132 RH |
1100 | return true; |
1101 | } | |
1102 | ||
1103 | /* Decide which segment the section should go in based on the | |
1104 | section name and section flags. We put loadable .note sections | |
1105 | right after the .interp section, so that the PT_NOTE segment is | |
1106 | stored right after the program headers where the OS can read it | |
1107 | in the first page. */ | |
aea4bd9d AM |
1108 | #define HAVE_SECTION(hold, name) \ |
1109 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1110 | ||
252b5132 | 1111 | if (s->flags & SEC_EXCLUDE) |
22af9fd3 AM |
1112 | { |
1113 | if (s->output_section == NULL) | |
1114 | s->output_section = bfd_abs_section_ptr; | |
1115 | return true; | |
1116 | } | |
71bfc0ae AM |
1117 | |
1118 | place = NULL; | |
1119 | if ((s->flags & SEC_ALLOC) == 0) | |
1120 | ; | |
252b5132 | 1121 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1122 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1123 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1124 | place = &hold_interp; |
252b5132 | 1125 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1126 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1127 | place = &hold_bss; |
c940e6fc JW |
1128 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1129 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1130 | place = &hold_sdata; | |
252b5132 | 1131 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1132 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1133 | place = &hold_data; |
252b5132 | 1134 | else if (strncmp (secname, ".rel", 4) == 0 |
aea4bd9d AM |
1135 | && (hold_rel.os != NULL |
1136 | || (hold_rel.os = output_rel_find ()) != NULL)) | |
db6751f2 JJ |
1137 | { |
1138 | if (! link_info.relocateable && link_info.combreloc) | |
1139 | { | |
1140 | if (strncmp (secname, ".rela", 5) == 0) | |
1141 | os = lang_output_section_find (".rela.dyn"); | |
1142 | else | |
1143 | os = lang_output_section_find (".rel.dyn"); | |
1144 | ||
1145 | if (os != NULL | |
1146 | && os->bfd_section != NULL | |
1147 | && ((s->flags ^ os->bfd_section->flags) | |
1148 | & (SEC_LOAD | SEC_ALLOC)) == 0) | |
1149 | { | |
1150 | lang_add_section (&os->children, s, os, file); | |
1151 | return true; | |
1152 | } | |
1153 | } | |
1154 | place = &hold_rel; | |
1155 | } | |
71bfc0ae | 1156 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1157 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1158 | place = &hold_rodata; |
71bfc0ae | 1159 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1160 | && hold_text.os != NULL) |
1161 | place = &hold_text; | |
252b5132 | 1162 | |
aea4bd9d AM |
1163 | #undef HAVE_SECTION |
1164 | ||
252b5132 RH |
1165 | /* Choose a unique name for the section. This will be needed if the |
1166 | same section name appears in the input file with different | |
f813923c | 1167 | loadable or allocatable characteristics. */ |
252b5132 RH |
1168 | outsecname = secname; |
1169 | if (bfd_get_section_by_name (output_bfd, outsecname) != NULL) | |
b3ea3584 AM |
1170 | { |
1171 | outsecname = bfd_get_unique_section_name (output_bfd, | |
1172 | outsecname, | |
1173 | &count); | |
1174 | if (outsecname == NULL) | |
1175 | einfo ("%F%P: place_orphan failed: %E\n"); | |
1176 | } | |
252b5132 | 1177 | |
71bfc0ae AM |
1178 | /* Start building a list of statements for this section. |
1179 | First save the current statement pointer. */ | |
1180 | old = stat_ptr; | |
1181 | ||
1182 | /* If we have found an appropriate place for the output section | |
1183 | statements for this orphan, add them to our own private list, | |
1184 | inserting them later into the global statement list. */ | |
5ba47421 | 1185 | if (place != NULL) |
252b5132 | 1186 | { |
5ba47421 AM |
1187 | stat_ptr = &add; |
1188 | lang_list_init (stat_ptr); | |
71bfc0ae | 1189 | } |
5ba47421 | 1190 | |
71bfc0ae AM |
1191 | if (config.build_constructors) |
1192 | { | |
5ba47421 AM |
1193 | /* If the name of the section is representable in C, then create |
1194 | symbols to mark the start and the end of the section. */ | |
1195 | for (ps = outsecname; *ps != '\0'; ps++) | |
3882b010 | 1196 | if (! ISALNUM (*ps) && *ps != '_') |
5ba47421 | 1197 | break; |
71bfc0ae | 1198 | if (*ps == '\0') |
5ba47421 AM |
1199 | { |
1200 | char *symname; | |
1201 | etree_type *e_align; | |
1202 | ||
1203 | symname = (char *) xmalloc (ps - outsecname + sizeof "__start_"); | |
1204 | sprintf (symname, "__start_%s", outsecname); | |
1205 | e_align = exp_unop (ALIGN_K, | |
1206 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1207 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1208 | } | |
252b5132 RH |
1209 | } |
1210 | ||
01cc8ff8 | 1211 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1212 | address = exp_intop ((bfd_vma) 0); |
01cc8ff8 AM |
1213 | else |
1214 | address = NULL; | |
252b5132 | 1215 | |
aea4bd9d AM |
1216 | os = lang_enter_output_section_statement (outsecname, address, 0, |
1217 | (bfd_vma) 0, | |
1218 | (etree_type *) NULL, | |
1219 | (etree_type *) NULL, | |
1220 | (etree_type *) NULL); | |
252b5132 | 1221 | |
39dcfe18 | 1222 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1223 | |
20d04697 L |
1224 | lang_leave_output_section_statement |
1225 | ((bfd_vma) 0, "*default*", | |
1226 | (struct lang_output_section_phdr_list *) NULL, "*default*"); | |
1227 | ||
71bfc0ae | 1228 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1229 | { |
71bfc0ae | 1230 | char *symname; |
252b5132 | 1231 | |
71bfc0ae AM |
1232 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1233 | stat_ptr back where we want it. */ | |
1234 | if (place != NULL) | |
1235 | stat_ptr = &add; | |
252b5132 | 1236 | |
71bfc0ae AM |
1237 | symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_"); |
1238 | sprintf (symname, "__stop_%s", outsecname); | |
1239 | lang_add_assignment (exp_assop ('=', symname, | |
1240 | exp_nameop (NAME, "."))); | |
1241 | } | |
5ba47421 | 1242 | |
71bfc0ae AM |
1243 | /* Restore the global list pointer. */ |
1244 | stat_ptr = old; | |
1245 | ||
1246 | if (place != NULL) | |
1247 | { | |
cde43e70 | 1248 | asection *snew, **pps; |
5ba47421 AM |
1249 | |
1250 | snew = os->bfd_section; | |
95500e1c | 1251 | |
cde43e70 AM |
1252 | /* Shuffle the bfd section list to make the output file look |
1253 | neater. This is really only cosmetic. */ | |
1254 | if (place->section == NULL) | |
5ba47421 | 1255 | { |
cde43e70 | 1256 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1257 | |
cde43e70 AM |
1258 | /* If the output statement hasn't been used to place |
1259 | any input sections (and thus doesn't have an output | |
1260 | bfd_section), look for the closest prior output statement | |
1261 | having an output section. */ | |
1262 | if (bfd_section == NULL) | |
1263 | bfd_section = output_prev_sec_find (place->os); | |
1264 | ||
1265 | if (bfd_section != NULL && bfd_section != snew) | |
1266 | place->section = &bfd_section->next; | |
1267 | } | |
1268 | ||
1269 | if (place->section != NULL) | |
1270 | { | |
5ba47421 AM |
1271 | /* Unlink the section. */ |
1272 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) | |
1273 | ; | |
1274 | *pps = snew->next; | |
1275 | ||
1276 | /* Now tack it on to the "place->os" section list. */ | |
1277 | snew->next = *place->section; | |
1278 | *place->section = snew; | |
1279 | } | |
5ba47421 | 1280 | |
cde43e70 AM |
1281 | /* Save the end of this list. Further ophans of this type will |
1282 | follow the one we've just added. */ | |
1283 | place->section = &snew->next; | |
1284 | ||
1285 | /* The following is non-cosmetic. We try to put the output | |
1286 | statements in some sort of reasonable order here, because | |
1287 | they determine the final load addresses of the orphan | |
1288 | sections. In addition, placing output statements in the | |
1289 | wrong order may require extra segments. For instance, | |
1290 | given a typical situation of all read-only sections placed | |
1291 | in one segment and following that a segment containing all | |
1292 | the read-write sections, we wouldn't want to place an orphan | |
1293 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1294 | if (add.head != NULL) |
01cc8ff8 | 1295 | { |
ed15ac6a AM |
1296 | if (place->stmt == NULL) |
1297 | { | |
1298 | /* Put the new statement list right at the head. */ | |
1299 | *add.tail = place->os->header.next; | |
1300 | place->os->header.next = add.head; | |
1301 | } | |
1302 | else | |
1303 | { | |
1304 | /* Put it after the last orphan statement we added. */ | |
1305 | *add.tail = *place->stmt; | |
1306 | *place->stmt = add.head; | |
1307 | } | |
71bfc0ae | 1308 | |
ed15ac6a AM |
1309 | /* Fix the global list pointer if we happened to tack our |
1310 | new list at the tail. */ | |
1311 | if (*old->tail == add.head) | |
1312 | old->tail = add.tail; | |
71bfc0ae | 1313 | |
ed15ac6a AM |
1314 | /* Save the end of this list. */ |
1315 | place->stmt = add.tail; | |
1316 | } | |
6a345e87 | 1317 | } |
252b5132 RH |
1318 | |
1319 | return true; | |
1320 | } | |
1321 | ||
41392f03 AM |
1322 | EOF |
1323 | fi | |
1324 | ||
1325 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1326 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1327 | |
1328 | static char * | |
41392f03 | 1329 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1330 | int *isfile; |
1331 | EOF | |
1332 | ||
1333 | if test -n "$COMPILE_IN" | |
1334 | then | |
1335 | # Scripts compiled in. | |
1336 | ||
1337 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1338 | sc="-f stringify.sed" |
252b5132 RH |
1339 | |
1340 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1341 | { |
252b5132 RH |
1342 | *isfile = 0; |
1343 | ||
1344 | if (link_info.relocateable == true && config.build_constructors == true) | |
597e2591 | 1345 | return |
252b5132 | 1346 | EOF |
597e2591 ILT |
1347 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1348 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c | |
1349 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1350 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1351 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
db6751f2 | 1352 | if ! cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then |
597e2591 ILT |
1353 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1354 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1355 | fi |
252b5132 | 1356 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
db6751f2 JJ |
1357 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1358 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c | |
597e2591 ILT |
1359 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1360 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1361 | fi |
db6751f2 JJ |
1362 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1363 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
597e2591 ILT |
1364 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1365 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1366 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1367 | |
1368 | else | |
1369 | # Scripts read from the filesystem. | |
1370 | ||
1371 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1372 | { |
252b5132 RH |
1373 | *isfile = 1; |
1374 | ||
1375 | if (link_info.relocateable == true && config.build_constructors == true) | |
1376 | return "ldscripts/${EMULATION_NAME}.xu"; | |
1377 | else if (link_info.relocateable == true) | |
1378 | return "ldscripts/${EMULATION_NAME}.xr"; | |
1379 | else if (!config.text_read_only) | |
1380 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1381 | else if (!config.magic_demand_paged) | |
1382 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1383 | else if (link_info.shared) | |
1384 | return "ldscripts/${EMULATION_NAME}.xs"; | |
1385 | else | |
1386 | return "ldscripts/${EMULATION_NAME}.x"; | |
1387 | } | |
252b5132 | 1388 | |
3b108066 | 1389 | EOF |
41392f03 AM |
1390 | fi |
1391 | fi | |
3b108066 | 1392 | |
41392f03 | 1393 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1394 | |
4b209b22 | 1395 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
3b108066 | 1396 | |
e0ee487b L |
1397 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1398 | cat >>e${EMULATION_NAME}.c <<EOF | |
1399 | $PARSE_AND_LIST_PROLOGUE | |
1400 | EOF | |
1401 | fi | |
1402 | ||
e0ee487b L |
1403 | cat >>e${EMULATION_NAME}.c <<EOF |
1404 | ||
1405 | #include "getopt.h" | |
1406 | ||
6c1439be L |
1407 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1408 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1409 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
6c1439be | 1410 | |
e0ee487b L |
1411 | static struct option longopts[] = |
1412 | { | |
1413 | EOF | |
e0ee487b L |
1414 | |
1415 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1416 | cat >>e${EMULATION_NAME}.c <<EOF | |
699845ef L |
1417 | /* getopt allows abbreviations, so we do this to stop it from |
1418 | treating -d/-e as abbreviations for these options. */ | |
6c1439be | 1419 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
699845ef L |
1420 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1421 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
6c1439be | 1422 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
a1ab1d2a UD |
1423 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
1424 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1425 | EOF |
1426 | fi | |
1427 | ||
1428 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1429 | cat >>e${EMULATION_NAME}.c <<EOF | |
1430 | $PARSE_AND_LIST_LONGOPTS | |
1431 | EOF | |
1432 | fi | |
1433 | ||
e0ee487b L |
1434 | cat >>e${EMULATION_NAME}.c <<EOF |
1435 | {NULL, no_argument, NULL, 0} | |
1436 | }; | |
1437 | ||
04925e1e | 1438 | |
4b209b22 | 1439 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
41392f03 | 1440 | |
e0ee487b | 1441 | static int |
4b209b22 | 1442 | gld${EMULATION_NAME}_parse_args (argc, argv) |
e0ee487b L |
1443 | int argc; |
1444 | char ** argv; | |
1445 | { | |
4b209b22 AM |
1446 | int longind; |
1447 | int optc; | |
1448 | static int prevoptind = -1; | |
e0ee487b L |
1449 | int prevopterr = opterr; |
1450 | int wanterror; | |
e0ee487b | 1451 | |
4b209b22 | 1452 | if (prevoptind != optind) |
e0ee487b L |
1453 | opterr = 0; |
1454 | ||
4b209b22 AM |
1455 | wanterror = opterr; |
1456 | prevoptind = optind; | |
1457 | ||
41392f03 AM |
1458 | optc = getopt_long_only (argc, argv, |
1459 | "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, | |
1460 | &longind); | |
e0ee487b L |
1461 | opterr = prevopterr; |
1462 | ||
1463 | switch (optc) | |
1464 | { | |
1465 | default: | |
1466 | if (wanterror) | |
1467 | xexit (1); | |
4b209b22 | 1468 | optind = prevoptind; |
e0ee487b | 1469 | return 0; |
6c1439be | 1470 | |
e0ee487b | 1471 | EOF |
e0ee487b L |
1472 | |
1473 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1474 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be L |
1475 | case OPTION_DISABLE_NEW_DTAGS: |
1476 | link_info.new_dtags = false; | |
1477 | break; | |
1478 | ||
1479 | case OPTION_ENABLE_NEW_DTAGS: | |
1480 | link_info.new_dtags = true; | |
1481 | break; | |
1482 | ||
a1ab1d2a UD |
1483 | case OPTION_GROUP: |
1484 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1485 | /* Groups must be self-contained. */ | |
1486 | link_info.no_undefined = true; | |
1487 | break; | |
1488 | ||
e0ee487b L |
1489 | case 'z': |
1490 | if (strcmp (optarg, "initfirst") == 0) | |
1491 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1492 | else if (strcmp (optarg, "interpose") == 0) | |
1493 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1494 | else if (strcmp (optarg, "loadfltr") == 0) | |
1495 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1496 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1497 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1498 | else if (strcmp (optarg, "nodelete") == 0) | |
1499 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1500 | else if (strcmp (optarg, "nodlopen") == 0) | |
1501 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1502 | else if (strcmp (optarg, "nodump") == 0) | |
1503 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1504 | else if (strcmp (optarg, "now") == 0) | |
1505 | { | |
1506 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1507 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1508 | } | |
1509 | else if (strcmp (optarg, "origin") == 0) | |
1510 | { | |
1511 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1512 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1513 | } | |
a1ab1d2a UD |
1514 | else if (strcmp (optarg, "defs") == 0) |
1515 | link_info.no_undefined = true; | |
db6751f2 JJ |
1516 | else if (strcmp (optarg, "combreloc") == 0) |
1517 | link_info.combreloc = true; | |
1518 | else if (strcmp (optarg, "nocombreloc") == 0) | |
1519 | link_info.combreloc = false; | |
8bd621d8 AM |
1520 | else if (strcmp (optarg, "nocopyreloc") == 0) |
1521 | link_info.nocopyreloc = true; | |
e0ee487b | 1522 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1523 | break; |
e0ee487b L |
1524 | EOF |
1525 | fi | |
1526 | ||
1527 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1528 | cat >>e${EMULATION_NAME}.c <<EOF | |
1529 | $PARSE_AND_LIST_ARGS_CASES | |
1530 | EOF | |
1531 | fi | |
1532 | ||
e0ee487b L |
1533 | cat >>e${EMULATION_NAME}.c <<EOF |
1534 | } | |
1535 | ||
1536 | return 1; | |
1537 | } | |
1538 | ||
41392f03 AM |
1539 | EOF |
1540 | fi | |
1541 | ||
4b209b22 | 1542 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1543 | cat >>e${EMULATION_NAME}.c <<EOF |
1544 | ||
4b209b22 | 1545 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
04925e1e | 1546 | |
e0ee487b | 1547 | static void |
4b209b22 | 1548 | gld${EMULATION_NAME}_list_options (file) |
e0ee487b L |
1549 | FILE * file; |
1550 | { | |
1551 | EOF | |
e0ee487b L |
1552 | |
1553 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1554 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1555 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1556 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1557 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
ec38dd05 | 1558 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
a1ab1d2a | 1559 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
f813923c HPN |
1560 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1561 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1562 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
ec38dd05 | 1563 | fprintf (file, _(" -z nocombreloc\t\tDon't merge dynamic relocs into one section\n")); |
e0ee487b L |
1564 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1565 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1566 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1567 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
e0ee487b L |
1568 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
1569 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n")); | |
1570 | fprintf (file, _("\t\t\t at runtime\n")); | |
19e3be22 | 1571 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1572 | EOF |
1573 | fi | |
1574 | ||
1575 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1576 | cat >>e${EMULATION_NAME}.c <<EOF | |
1577 | $PARSE_AND_LIST_OPTIONS | |
1578 | EOF | |
1579 | fi | |
1580 | ||
e0ee487b L |
1581 | cat >>e${EMULATION_NAME}.c <<EOF |
1582 | } | |
1583 | EOF | |
e0ee487b L |
1584 | |
1585 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1586 | cat >>e${EMULATION_NAME}.c <<EOF | |
1587 | $PARSE_AND_LIST_EPILOGUE | |
1588 | EOF | |
1589 | fi | |
41392f03 AM |
1590 | fi |
1591 | else | |
4b209b22 | 1592 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
41392f03 | 1593 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1594 | #define gld${EMULATION_NAME}_parse_args NULL |
41392f03 AM |
1595 | EOF |
1596 | fi | |
4b209b22 | 1597 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1598 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1599 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1600 | EOF |
1601 | fi | |
1602 | fi | |
e0ee487b | 1603 | |
252b5132 RH |
1604 | cat >>e${EMULATION_NAME}.c <<EOF |
1605 | ||
60bcf0fa | 1606 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1607 | { |
41392f03 AM |
1608 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1609 | ${LDEMUL_SYSLIB-syslib_default}, | |
1610 | ${LDEMUL_HLL-hll_default}, | |
1611 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1612 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1613 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1614 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1615 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1616 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1617 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1618 | "${EMULATION_NAME}", |
1619 | "${OUTPUT_FORMAT}", | |
41392f03 AM |
1620 | ${LDEMUL_FINISH-NULL}, |
1621 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, | |
1622 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1623 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1624 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
4b209b22 | 1625 | ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, |
41392f03 | 1626 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1627 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
41392f03 AM |
1628 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
1629 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, | |
252b5132 RH |
1630 | }; |
1631 | EOF |