Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | # This file is now misnamed, because it supports both 32 bit and 64 bit | |
4 | # ELF emulations. | |
5 | test -z "${ELFSIZE}" && ELFSIZE=32 | |
86af25fe L |
6 | if [ -z "$MACHINE" ]; then |
7 | OUTPUT_ARCH=${ARCH} | |
8 | else | |
9 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
10 | fi | |
252b5132 RH |
11 | cat >e${EMULATION_NAME}.c <<EOF |
12 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
13 | ||
14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
9c8ebd6a | 16 | 2002, 2003 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <sac@cygnus.com> |
18 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
38 | #include "bfd.h" | |
39 | #include "sysdep.h" | |
1c9acd94 | 40 | #include "libiberty.h" |
3882b010 | 41 | #include "safe-ctype.h" |
252b5132 RH |
42 | |
43 | #include "bfdlink.h" | |
44 | ||
45 | #include "ld.h" | |
46 | #include "ldmain.h" | |
252b5132 RH |
47 | #include "ldmisc.h" |
48 | #include "ldexp.h" | |
49 | #include "ldlang.h" | |
b71e2778 AM |
50 | #include "ldfile.h" |
51 | #include "ldemul.h" | |
df2a7313 | 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${EMULATION_NAME}_stat_needed | |
60 | PARAMS ((lang_input_statement_type *)); | |
b34976b6 | 61 | static bfd_boolean gld${EMULATION_NAME}_try_needed |
cde43e70 | 62 | PARAMS ((const char *, int)); |
b34976b6 | 63 | static bfd_boolean gld${EMULATION_NAME}_search_needed |
252b5132 | 64 | PARAMS ((const char *, const char *, int)); |
04925e1e | 65 | static void gld${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)); | |
b34976b6 | 75 | static bfd_boolean gld${EMULATION_NAME}_open_dynamic_archive |
04925e1e | 76 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); |
cde43e70 | 77 | static lang_output_section_statement_type *output_rel_find |
24cdb50a | 78 | PARAMS ((asection *)); |
73810896 AM |
79 | static asection *output_prev_sec_find |
80 | PARAMS ((lang_output_section_statement_type *)); | |
b34976b6 | 81 | static bfd_boolean gld${EMULATION_NAME}_place_orphan |
252b5132 | 82 | PARAMS ((lang_input_statement_type *, asection *)); |
73d074b4 DJ |
83 | static void gld${EMULATION_NAME}_finish |
84 | PARAMS ((void)); | |
cde43e70 AM |
85 | static char *gld${EMULATION_NAME}_get_script |
86 | PARAMS ((int *isfile)); | |
252b5132 | 87 | |
41392f03 AM |
88 | EOF |
89 | ||
90 | # Import any needed special functions and/or overrides. | |
91 | # | |
92 | if test -n "$EXTRA_EM_FILE" ; then | |
93 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
94 | fi | |
95 | ||
f813923c | 96 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
97 | # variables. If the name of the overriding function is the same as is |
98 | # defined in this file, then don't output this file's version. | |
99 | # If a different overriding name is given then output the standard function | |
100 | # as presumably it is called from the overriding function. | |
101 | # | |
102 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
103 | cat >>e${EMULATION_NAME}.c <<EOF | |
104 | ||
252b5132 | 105 | static void |
41392f03 | 106 | gld${EMULATION_NAME}_before_parse () |
252b5132 | 107 | { |
86af25fe L |
108 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
109 | if (arch) | |
110 | { | |
111 | ldfile_output_architecture = arch->arch; | |
112 | ldfile_output_machine = arch->mach; | |
113 | ldfile_output_machine_name = arch->printable_name; | |
114 | } | |
115 | else | |
116 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; | |
b34976b6 AM |
117 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
118 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
119 | } |
120 | ||
41392f03 AM |
121 | EOF |
122 | fi | |
123 | ||
124 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
125 | |
126 | /* These variables are required to pass information back and forth | |
127 | between after_open and check_needed and stat_needed and vercheck. */ | |
128 | ||
129 | static struct bfd_link_needed_list *global_needed; | |
130 | static struct stat global_stat; | |
b34976b6 | 131 | static bfd_boolean global_found; |
252b5132 | 132 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 133 | static bfd_boolean global_vercheck_failed; |
252b5132 | 134 | |
252b5132 | 135 | |
04925e1e AM |
136 | /* On Linux, it's possible to have different versions of the same |
137 | shared library linked against different versions of libc. The | |
138 | dynamic linker somehow tags which libc version to use in | |
139 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
140 | executable, chooses which version of the shared library to use. | |
252b5132 | 141 | |
04925e1e AM |
142 | We try to do a similar check here by checking whether this shared |
143 | library needs any other shared libraries which may conflict with | |
144 | libraries we have already included in the link. If it does, we | |
145 | skip it, and try to find another shared library farther on down the | |
146 | link path. | |
252b5132 | 147 | |
04925e1e AM |
148 | This is called via lang_for_each_input_file. |
149 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 150 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 151 | a conflicting version. */ |
252b5132 | 152 | |
04925e1e AM |
153 | static void |
154 | gld${EMULATION_NAME}_vercheck (s) | |
155 | lang_input_statement_type *s; | |
156 | { | |
1c9acd94 | 157 | const char *soname; |
04925e1e | 158 | struct bfd_link_needed_list *l; |
252b5132 | 159 | |
04925e1e AM |
160 | if (global_vercheck_failed) |
161 | return; | |
162 | if (s->the_bfd == NULL | |
163 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
164 | return; | |
252b5132 | 165 | |
04925e1e AM |
166 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
167 | if (soname == NULL) | |
fed2999d | 168 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
169 | |
170 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
171 | { | |
172 | const char *suffix; | |
173 | ||
1c9acd94 | 174 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
175 | { |
176 | /* Probably can't happen, but it's an easy check. */ | |
177 | continue; | |
252b5132 RH |
178 | } |
179 | ||
04925e1e | 180 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
181 | continue; |
182 | ||
04925e1e AM |
183 | suffix = strstr (l->name, ".so."); |
184 | if (suffix == NULL) | |
185 | continue; | |
186 | ||
187 | suffix += sizeof ".so." - 1; | |
188 | ||
1c9acd94 | 189 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
190 | { |
191 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
192 | the object we are considering needs a dynamic object | |
193 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
194 | appears to be a version mismatch, so we tell the caller | |
195 | to try a different version of this library. */ | |
b34976b6 | 196 | global_vercheck_failed = TRUE; |
04925e1e AM |
197 | return; |
198 | } | |
252b5132 RH |
199 | } |
200 | } | |
201 | ||
252b5132 | 202 | |
04925e1e AM |
203 | /* See if an input file matches a DT_NEEDED entry by running stat on |
204 | the file. */ | |
205 | ||
206 | static void | |
207 | gld${EMULATION_NAME}_stat_needed (s) | |
208 | lang_input_statement_type *s; | |
252b5132 | 209 | { |
04925e1e AM |
210 | struct stat st; |
211 | const char *suffix; | |
212 | const char *soname; | |
252b5132 | 213 | |
04925e1e AM |
214 | if (global_found) |
215 | return; | |
216 | if (s->the_bfd == NULL) | |
217 | return; | |
218 | ||
219 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 220 | { |
04925e1e AM |
221 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
222 | return; | |
223 | } | |
252b5132 | 224 | |
04925e1e AM |
225 | if (st.st_dev == global_stat.st_dev |
226 | && st.st_ino == global_stat.st_ino) | |
227 | { | |
b34976b6 | 228 | global_found = TRUE; |
04925e1e AM |
229 | return; |
230 | } | |
252b5132 | 231 | |
04925e1e AM |
232 | /* We issue a warning if it looks like we are including two |
233 | different versions of the same shared library. For example, | |
234 | there may be a problem if -lc picks up libc.so.6 but some other | |
235 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 236 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
237 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
238 | If we really want to issue warnings about mixing version numbers | |
239 | of shared libraries, we need to find a better way. */ | |
252b5132 | 240 | |
04925e1e AM |
241 | if (strchr (global_needed->name, '/') != NULL) |
242 | return; | |
243 | suffix = strstr (global_needed->name, ".so."); | |
244 | if (suffix == NULL) | |
245 | return; | |
246 | suffix += sizeof ".so." - 1; | |
252b5132 | 247 | |
04925e1e AM |
248 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
249 | if (soname == NULL) | |
fed2999d | 250 | soname = lbasename (s->filename); |
252b5132 | 251 | |
cde43e70 | 252 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 253 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 254 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
255 | } |
256 | ||
04925e1e | 257 | |
252b5132 RH |
258 | /* This function is called for each possible name for a dynamic object |
259 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
260 | to skip the check for a conflicting version. */ | |
261 | ||
b34976b6 | 262 | static bfd_boolean |
252b5132 RH |
263 | gld${EMULATION_NAME}_try_needed (name, force) |
264 | const char *name; | |
265 | int force; | |
266 | { | |
267 | bfd *abfd; | |
ec4eb78a | 268 | const char *soname; |
252b5132 RH |
269 | |
270 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
271 | if (abfd == NULL) | |
b34976b6 | 272 | return FALSE; |
252b5132 RH |
273 | if (! bfd_check_format (abfd, bfd_object)) |
274 | { | |
cde43e70 | 275 | bfd_close (abfd); |
b34976b6 | 276 | return FALSE; |
252b5132 RH |
277 | } |
278 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
279 | { | |
cde43e70 | 280 | bfd_close (abfd); |
b34976b6 | 281 | return FALSE; |
252b5132 RH |
282 | } |
283 | ||
c4bb8067 L |
284 | /* For DT_NEEDED, they have to match. */ |
285 | if (abfd->xvec != output_bfd->xvec) | |
286 | { | |
287 | bfd_close (abfd); | |
b34976b6 | 288 | return FALSE; |
c4bb8067 L |
289 | } |
290 | ||
252b5132 RH |
291 | /* Check whether this object would include any conflicting library |
292 | versions. If FORCE is set, then we skip this check; we use this | |
293 | the second time around, if we couldn't find any compatible | |
294 | instance of the shared library. */ | |
295 | ||
296 | if (! force) | |
297 | { | |
298 | struct bfd_link_needed_list *needed; | |
299 | ||
300 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
301 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
302 | ||
303 | if (needed != NULL) | |
304 | { | |
305 | global_vercheck_needed = needed; | |
b34976b6 | 306 | global_vercheck_failed = FALSE; |
252b5132 RH |
307 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
308 | if (global_vercheck_failed) | |
309 | { | |
cde43e70 | 310 | bfd_close (abfd); |
b34976b6 | 311 | /* Return FALSE to force the caller to move on to try |
252b5132 | 312 | another file on the search path. */ |
b34976b6 | 313 | return FALSE; |
252b5132 RH |
314 | } |
315 | ||
316 | /* But wait! It gets much worse. On Linux, if a shared | |
317 | library does not use libc at all, we are supposed to skip | |
318 | it the first time around in case we encounter a shared | |
319 | library later on with the same name which does use the | |
320 | version of libc that we want. This is much too horrible | |
321 | to use on any system other than Linux. */ | |
322 | ||
323 | EOF | |
324 | case ${target} in | |
325 | *-*-linux-gnu*) | |
326 | cat >>e${EMULATION_NAME}.c <<EOF | |
327 | { | |
328 | struct bfd_link_needed_list *l; | |
329 | ||
330 | for (l = needed; l != NULL; l = l->next) | |
331 | if (strncmp (l->name, "libc.so", 7) == 0) | |
332 | break; | |
333 | if (l == NULL) | |
334 | { | |
cde43e70 | 335 | bfd_close (abfd); |
b34976b6 | 336 | return FALSE; |
252b5132 RH |
337 | } |
338 | } | |
339 | ||
340 | EOF | |
341 | ;; | |
342 | esac | |
343 | cat >>e${EMULATION_NAME}.c <<EOF | |
344 | } | |
345 | } | |
346 | ||
347 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
348 | ||
04925e1e AM |
349 | /* We have already checked that there is no other input file of the |
350 | same name. We must now check again that we are not including the | |
351 | same file twice. We need to do this because on many systems | |
352 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
353 | reference libc.so.1. If we have already included libc.so, we | |
354 | don't want to include libc.so.1 if they are the same file, and we | |
355 | can only check that using stat. */ | |
356 | ||
357 | if (bfd_stat (abfd, &global_stat) != 0) | |
358 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
359 | |
360 | /* First strip off everything before the last '/'. */ | |
fed2999d | 361 | soname = lbasename (abfd->filename); |
ec4eb78a L |
362 | |
363 | if (trace_file_tries) | |
364 | info_msg (_("found %s at %s\n"), soname, name); | |
365 | ||
b34976b6 | 366 | global_found = FALSE; |
04925e1e AM |
367 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
368 | if (global_found) | |
369 | { | |
b34976b6 | 370 | /* Return TRUE to indicate that we found the file, even though |
04925e1e | 371 | we aren't going to do anything with it. */ |
b34976b6 | 372 | return TRUE; |
04925e1e AM |
373 | } |
374 | ||
41392f03 | 375 | /* Tell the ELF backend that we don't want the output file to have a |
04925e1e AM |
376 | DT_NEEDED entry for this file. */ |
377 | bfd_elf_set_dt_needed_name (abfd, ""); | |
378 | ||
04925e1e AM |
379 | /* Tell the ELF backend that the output file needs a DT_NEEDED |
380 | entry for this file if it is used to resolve the reference in | |
381 | a regular object. */ | |
ec4eb78a | 382 | bfd_elf_set_dt_needed_soname (abfd, soname); |
04925e1e AM |
383 | |
384 | /* Add this file into the symbol table. */ | |
385 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
386 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
387 | ||
b34976b6 | 388 | return TRUE; |
04925e1e AM |
389 | } |
390 | ||
391 | ||
392 | /* Search for a needed file in a path. */ | |
393 | ||
b34976b6 | 394 | static bfd_boolean |
04925e1e AM |
395 | gld${EMULATION_NAME}_search_needed (path, name, force) |
396 | const char *path; | |
397 | const char *name; | |
398 | int force; | |
399 | { | |
400 | const char *s; | |
401 | size_t len; | |
402 | ||
cc5ce052 UD |
403 | if (name[0] == '/') |
404 | return gld${EMULATION_NAME}_try_needed (name, force); | |
405 | ||
04925e1e | 406 | if (path == NULL || *path == '\0') |
b34976b6 | 407 | return FALSE; |
04925e1e AM |
408 | len = strlen (name); |
409 | while (1) | |
410 | { | |
411 | char *filename, *sset; | |
412 | ||
413 | s = strchr (path, ':'); | |
414 | if (s == NULL) | |
415 | s = path + strlen (path); | |
416 | ||
417 | filename = (char *) xmalloc (s - path + len + 2); | |
418 | if (s == path) | |
419 | sset = filename; | |
420 | else | |
421 | { | |
422 | memcpy (filename, path, s - path); | |
423 | filename[s - path] = '/'; | |
424 | sset = filename + (s - path) + 1; | |
425 | } | |
426 | strcpy (sset, name); | |
427 | ||
428 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
b34976b6 | 429 | return TRUE; |
04925e1e AM |
430 | |
431 | free (filename); | |
432 | ||
433 | if (*s == '\0') | |
434 | break; | |
435 | path = s + 1; | |
436 | } | |
437 | ||
b34976b6 | 438 | return FALSE; |
04925e1e AM |
439 | } |
440 | ||
441 | EOF | |
9c8ebd6a DJ |
442 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
443 | case ${target} in | |
444 | *-*-linux-gnu*) | |
445 | cat >>e${EMULATION_NAME}.c <<EOF | |
446 | ||
447 | /* Add the sysroot to every entry in a colon-separated path. */ | |
448 | ||
449 | static char * | |
450 | gld${EMULATION_NAME}_add_sysroot (path) | |
451 | const char *path; | |
452 | { | |
453 | int len, colons, i; | |
454 | char *ret, *p; | |
455 | ||
456 | len = strlen (path); | |
457 | colons = 0; | |
458 | i = 0; | |
459 | while (path[i]) | |
460 | if (path[i++] == ':') | |
461 | colons++; | |
462 | ||
463 | if (path[i]) | |
464 | colons++; | |
465 | ||
466 | len = len + colons * strlen (ld_sysroot); | |
467 | ret = xmalloc (len + 1); | |
468 | strcpy (ret, ld_sysroot); | |
469 | p = ret + strlen (ret); | |
470 | i = 0; | |
471 | while (path[i]) | |
472 | if (path[i] == ':') | |
473 | { | |
474 | strcpy (p, ld_sysroot); | |
475 | p = p + strlen (p); | |
476 | i++; | |
477 | } | |
478 | else | |
479 | *p++ = path[i++]; | |
480 | ||
481 | *p = 0; | |
482 | return ret; | |
483 | } | |
04925e1e AM |
484 | |
485 | /* For a native linker, check the file /etc/ld.so.conf for directories | |
486 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 487 | only meaningful on Linux. */ |
04925e1e | 488 | |
b34976b6 | 489 | static bfd_boolean gld${EMULATION_NAME}_check_ld_so_conf |
04925e1e AM |
490 | PARAMS ((const char *, int)); |
491 | ||
b34976b6 | 492 | static bfd_boolean |
04925e1e AM |
493 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) |
494 | const char *name; | |
495 | int force; | |
496 | { | |
b34976b6 | 497 | static bfd_boolean initialized; |
04925e1e AM |
498 | static char *ld_so_conf; |
499 | ||
500 | if (! initialized) | |
501 | { | |
502 | FILE *f; | |
9c8ebd6a | 503 | char *tmppath; |
04925e1e | 504 | |
9c8ebd6a DJ |
505 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); |
506 | f = fopen (tmppath, FOPEN_RT); | |
507 | free (tmppath); | |
04925e1e AM |
508 | if (f != NULL) |
509 | { | |
510 | char *b; | |
511 | size_t len, alloc; | |
512 | int c; | |
513 | ||
514 | len = 0; | |
515 | alloc = 100; | |
516 | b = (char *) xmalloc (alloc); | |
517 | ||
518 | while ((c = getc (f)) != EOF) | |
519 | { | |
520 | if (len + 1 >= alloc) | |
521 | { | |
522 | alloc *= 2; | |
523 | b = (char *) xrealloc (b, alloc); | |
524 | } | |
525 | if (c != ':' | |
526 | && c != ' ' | |
527 | && c != '\t' | |
528 | && c != '\n' | |
529 | && c != ',') | |
530 | { | |
531 | b[len] = c; | |
532 | ++len; | |
533 | } | |
534 | else | |
535 | { | |
536 | if (len > 0 && b[len - 1] != ':') | |
537 | { | |
538 | b[len] = ':'; | |
539 | ++len; | |
540 | } | |
541 | } | |
542 | } | |
543 | ||
544 | if (len > 0 && b[len - 1] == ':') | |
545 | --len; | |
252b5132 | 546 | |
04925e1e AM |
547 | if (len > 0) |
548 | b[len] = '\0'; | |
549 | else | |
550 | { | |
551 | free (b); | |
552 | b = NULL; | |
553 | } | |
252b5132 | 554 | |
04925e1e | 555 | fclose (f); |
252b5132 | 556 | |
9c8ebd6a DJ |
557 | if (b) |
558 | { | |
559 | char *d = gld${EMULATION_NAME}_add_sysroot (b); | |
560 | free (b); | |
561 | b = d; | |
562 | } | |
563 | ||
04925e1e AM |
564 | ld_so_conf = b; |
565 | } | |
49e56c49 | 566 | |
b34976b6 | 567 | initialized = TRUE; |
04925e1e | 568 | } |
49e56c49 | 569 | |
04925e1e | 570 | if (ld_so_conf == NULL) |
b34976b6 | 571 | return FALSE; |
252b5132 | 572 | |
04925e1e | 573 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
252b5132 RH |
574 | } |
575 | ||
04925e1e | 576 | EOF |
9c8ebd6a DJ |
577 | # Linux |
578 | ;; | |
04925e1e AM |
579 | esac |
580 | fi | |
581 | cat >>e${EMULATION_NAME}.c <<EOF | |
582 | ||
252b5132 RH |
583 | /* See if an input file matches a DT_NEEDED entry by name. */ |
584 | ||
585 | static void | |
586 | gld${EMULATION_NAME}_check_needed (s) | |
587 | lang_input_statement_type *s; | |
588 | { | |
589 | if (global_found) | |
590 | return; | |
591 | ||
577a0623 | 592 | if (s->filename != NULL) |
252b5132 | 593 | { |
577a0623 AM |
594 | const char *f; |
595 | ||
596 | if (strcmp (s->filename, global_needed->name) == 0) | |
597 | { | |
b34976b6 | 598 | global_found = TRUE; |
577a0623 AM |
599 | return; |
600 | } | |
601 | ||
602 | if (s->search_dirs_flag) | |
603 | { | |
604 | f = strrchr (s->filename, '/'); | |
605 | if (f != NULL | |
606 | && strcmp (f + 1, global_needed->name) == 0) | |
607 | { | |
b34976b6 | 608 | global_found = TRUE; |
577a0623 AM |
609 | return; |
610 | } | |
611 | } | |
252b5132 RH |
612 | } |
613 | ||
614 | if (s->the_bfd != NULL) | |
615 | { | |
616 | const char *soname; | |
617 | ||
618 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
619 | if (soname != NULL | |
620 | && strcmp (soname, global_needed->name) == 0) | |
621 | { | |
b34976b6 | 622 | global_found = TRUE; |
252b5132 RH |
623 | return; |
624 | } | |
625 | } | |
252b5132 RH |
626 | } |
627 | ||
41392f03 AM |
628 | EOF |
629 | ||
630 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
631 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
632 | |
633 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
634 | |
635 | static void | |
04925e1e | 636 | gld${EMULATION_NAME}_after_open () |
252b5132 | 637 | { |
04925e1e | 638 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 639 | |
04925e1e AM |
640 | /* We only need to worry about this when doing a final link. */ |
641 | if (link_info.relocateable || link_info.shared) | |
252b5132 RH |
642 | return; |
643 | ||
04925e1e AM |
644 | /* Get the list of files which appear in DT_NEEDED entries in |
645 | dynamic objects included in the link (often there will be none). | |
646 | For each such file, we want to track down the corresponding | |
647 | library, and include the symbol table in the link. This is what | |
648 | the runtime dynamic linker will do. Tracking the files down here | |
649 | permits one dynamic object to include another without requiring | |
650 | special action by the person doing the link. Note that the | |
651 | needed list can actually grow while we are stepping through this | |
652 | loop. */ | |
653 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
654 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 655 | { |
04925e1e AM |
656 | struct bfd_link_needed_list *ll; |
657 | int force; | |
252b5132 | 658 | |
04925e1e AM |
659 | /* If we've already seen this file, skip it. */ |
660 | for (ll = needed; ll != l; ll = ll->next) | |
661 | if (strcmp (ll->name, l->name) == 0) | |
662 | break; | |
663 | if (ll != l) | |
664 | continue; | |
252b5132 | 665 | |
04925e1e AM |
666 | /* See if this file was included in the link explicitly. */ |
667 | global_needed = l; | |
b34976b6 | 668 | global_found = FALSE; |
04925e1e AM |
669 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
670 | if (global_found) | |
671 | continue; | |
252b5132 | 672 | |
ec4eb78a L |
673 | if (trace_file_tries) |
674 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
675 | ||
04925e1e AM |
676 | /* We need to find this file and include the symbol table. We |
677 | want to search for the file in the same way that the dynamic | |
678 | linker will search. That means that we want to use | |
679 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
680 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
681 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
682 | We do not search using the -L arguments. | |
252b5132 | 683 | |
04925e1e AM |
684 | We search twice. The first time, we skip objects which may |
685 | introduce version mismatches. The second time, we force | |
686 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
687 | for (force = 0; force < 2; force++) | |
688 | { | |
04925e1e AM |
689 | size_t len; |
690 | search_dirs_type *search; | |
6dd8c765 | 691 | EOF |
9c8ebd6a | 692 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
6dd8c765 | 693 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 694 | const char *lib_path; |
6dd8c765 L |
695 | struct bfd_link_needed_list *rp; |
696 | int found; | |
697 | EOF | |
6dd8c765 L |
698 | fi |
699 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 700 | |
04925e1e AM |
701 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
702 | l->name, force)) | |
703 | break; | |
dcb0bd0e | 704 | EOF |
9c8ebd6a | 705 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 706 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
707 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
708 | l->name, force)) | |
709 | break; | |
9c8ebd6a DJ |
710 | EOF |
711 | fi | |
712 | if [ "x${NATIVE}" = xyes ] ; then | |
713 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
714 | if (command_line.rpath_link == NULL |
715 | && command_line.rpath == NULL) | |
716 | { | |
717 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
718 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, | |
719 | force)) | |
720 | break; | |
721 | } | |
04925e1e AM |
722 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
723 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) | |
724 | break; | |
9c8ebd6a DJ |
725 | EOF |
726 | fi | |
727 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
728 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 729 | found = 0; |
6dd8c765 L |
730 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
731 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 732 | { |
9c8ebd6a | 733 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 734 | found = (rp->by == l->by |
9c8ebd6a | 735 | && gld${EMULATION_NAME}_search_needed (tmpname, |
ec4eb78a L |
736 | l->name, |
737 | force)); | |
9c8ebd6a | 738 | free (tmpname); |
ec4eb78a L |
739 | } |
740 | if (found) | |
741 | break; | |
742 | ||
04925e1e | 743 | EOF |
04925e1e AM |
744 | fi |
745 | cat >>e${EMULATION_NAME}.c <<EOF | |
746 | len = strlen (l->name); | |
747 | for (search = search_head; search != NULL; search = search->next) | |
748 | { | |
749 | char *filename; | |
252b5132 | 750 | |
04925e1e AM |
751 | if (search->cmdline) |
752 | continue; | |
753 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
754 | sprintf (filename, "%s/%s", search->name, l->name); | |
755 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
756 | break; | |
757 | free (filename); | |
758 | } | |
759 | if (search != NULL) | |
760 | break; | |
761 | EOF | |
9c8ebd6a DJ |
762 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
763 | case ${target} in | |
764 | *-*-linux-gnu*) | |
765 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
766 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
767 | break; | |
768 | EOF | |
9c8ebd6a DJ |
769 | # Linux |
770 | ;; | |
04925e1e AM |
771 | esac |
772 | fi | |
773 | cat >>e${EMULATION_NAME}.c <<EOF | |
774 | } | |
252b5132 | 775 | |
04925e1e AM |
776 | if (force < 2) |
777 | continue; | |
252b5132 | 778 | |
e374f1d9 | 779 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
780 | l->name, l->by); |
781 | } | |
782 | } | |
252b5132 | 783 | |
41392f03 AM |
784 | EOF |
785 | fi | |
786 | ||
787 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 788 | |
04925e1e | 789 | /* Look through an expression for an assignment statement. */ |
252b5132 | 790 | |
04925e1e AM |
791 | static void |
792 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
793 | etree_type *exp; | |
794 | { | |
795 | struct bfd_link_hash_entry *h; | |
796 | ||
797 | switch (exp->type.node_class) | |
252b5132 | 798 | { |
04925e1e AM |
799 | case etree_provide: |
800 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 801 | FALSE, FALSE, FALSE); |
04925e1e AM |
802 | if (h == NULL) |
803 | break; | |
252b5132 | 804 | |
04925e1e AM |
805 | /* We call record_link_assignment even if the symbol is defined. |
806 | This is because if it is defined by a dynamic object, we | |
807 | actually want to use the value defined by the linker script, | |
808 | not the value from the dynamic object (because we are setting | |
809 | symbols like etext). If the symbol is defined by a regular | |
810 | object, then, as it happens, calling record_link_assignment | |
811 | will do no harm. */ | |
812 | ||
813 | /* Fall through. */ | |
814 | case etree_assign: | |
815 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 816 | { |
04925e1e AM |
817 | if (! (bfd_elf${ELFSIZE}_record_link_assignment |
818 | (output_bfd, &link_info, exp->assign.dst, | |
b34976b6 | 819 | exp->type.node_class == etree_provide ? TRUE : FALSE))) |
04925e1e AM |
820 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
821 | exp->assign.dst); | |
252b5132 | 822 | } |
04925e1e AM |
823 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
824 | break; | |
252b5132 | 825 | |
04925e1e AM |
826 | case etree_binary: |
827 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
828 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
829 | break; | |
252b5132 | 830 | |
04925e1e AM |
831 | case etree_trinary: |
832 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
833 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
834 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
835 | break; | |
252b5132 | 836 | |
04925e1e AM |
837 | case etree_unary: |
838 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
839 | break; | |
252b5132 | 840 | |
04925e1e AM |
841 | default: |
842 | break; | |
252b5132 RH |
843 | } |
844 | } | |
845 | ||
04925e1e AM |
846 | |
847 | /* This is called by the before_allocation routine via | |
848 | lang_for_each_statement. It locates any assignment statements, and | |
849 | tells the ELF backend about them, in case they are assignments to | |
850 | symbols which are referred to by dynamic objects. */ | |
851 | ||
852 | static void | |
853 | gld${EMULATION_NAME}_find_statement_assignment (s) | |
854 | lang_statement_union_type *s; | |
855 | { | |
856 | if (s->header.type == lang_assignment_statement_enum) | |
857 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
858 | } | |
859 | ||
41392f03 AM |
860 | EOF |
861 | ||
862 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
863 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
864 | ELF_INTERPRETER_SET_DEFAULT=" | |
865 | if (sinterp != NULL) | |
866 | { | |
867 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
868 | sinterp->_raw_size = strlen (sinterp->contents) + 1; | |
869 | } | |
870 | ||
871 | " | |
872 | else | |
873 | ELF_INTERPRETER_SET_DEFAULT= | |
874 | fi | |
41392f03 | 875 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 876 | |
252b5132 RH |
877 | /* This is called after the sections have been attached to output |
878 | sections, but before any sizes or addresses have been set. */ | |
879 | ||
880 | static void | |
881 | gld${EMULATION_NAME}_before_allocation () | |
882 | { | |
883 | const char *rpath; | |
884 | asection *sinterp; | |
885 | ||
886 | /* If we are going to make any variable assignments, we need to let | |
887 | the ELF backend know about them in case the variables are | |
888 | referred to by dynamic objects. */ | |
889 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
890 | ||
891 | /* Let the ELF backend work out the sizes of any sections required | |
892 | by dynamic linking. */ | |
893 | rpath = command_line.rpath; | |
894 | if (rpath == NULL) | |
895 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
896 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections | |
897 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 898 | command_line.filter_shlib, |
252b5132 RH |
899 | (const char * const *) command_line.auxiliary_filters, |
900 | &link_info, &sinterp, lang_elf_version_info))) | |
901 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 902 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
903 | /* Let the user override the dynamic linker we are using. */ |
904 | if (command_line.interpreter != NULL | |
905 | && sinterp != NULL) | |
906 | { | |
907 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
908 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
909 | } | |
910 | ||
911 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
912 | we treat such sections as containing warning messages. We print | |
913 | out the warning message, and then zero out the section size so | |
914 | that it does not get copied into the output file. */ | |
915 | ||
916 | { | |
917 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
918 | { | |
919 | asection *s; | |
920 | bfd_size_type sz; | |
921 | char *msg; | |
b34976b6 | 922 | bfd_boolean ret; |
252b5132 RH |
923 | |
924 | if (is->just_syms_flag) | |
925 | continue; | |
926 | ||
927 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
928 | if (s == NULL) | |
929 | continue; | |
930 | ||
931 | sz = bfd_section_size (is->the_bfd, s); | |
932 | msg = xmalloc ((size_t) sz + 1); | |
933 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
934 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", | |
935 | is->the_bfd); | |
936 | msg[sz] = '\0'; | |
937 | ret = link_info.callbacks->warning (&link_info, msg, | |
938 | (const char *) NULL, | |
939 | is->the_bfd, (asection *) NULL, | |
940 | (bfd_vma) 0); | |
941 | ASSERT (ret); | |
942 | free (msg); | |
943 | ||
944 | /* Clobber the section size, so that we don't waste copying the | |
945 | warning into the output file. */ | |
946 | s->_raw_size = 0; | |
947 | } | |
948 | } | |
949 | } | |
950 | ||
41392f03 AM |
951 | EOF |
952 | fi | |
953 | ||
954 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
955 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 956 | |
04925e1e AM |
957 | /* Try to open a dynamic archive. This is where we know that ELF |
958 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
959 | like hpux). */ | |
960 | ||
b34976b6 | 961 | static bfd_boolean |
04925e1e AM |
962 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) |
963 | const char *arch; | |
964 | search_dirs_type *search; | |
965 | lang_input_statement_type *entry; | |
252b5132 | 966 | { |
04925e1e AM |
967 | const char *filename; |
968 | char *string; | |
252b5132 | 969 | |
04925e1e | 970 | if (! entry->is_archive) |
b34976b6 | 971 | return FALSE; |
252b5132 | 972 | |
04925e1e | 973 | filename = entry->filename; |
252b5132 | 974 | |
04925e1e AM |
975 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
976 | is defined, but it does not seem worth the headache to optimize | |
977 | away those two bytes of space. */ | |
978 | string = (char *) xmalloc (strlen (search->name) | |
979 | + strlen (filename) | |
980 | + strlen (arch) | |
981 | #ifdef EXTRA_SHLIB_EXTENSION | |
982 | + strlen (EXTRA_SHLIB_EXTENSION) | |
983 | #endif | |
984 | + sizeof "/lib.so"); | |
985 | ||
986 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
987 | ||
988 | #ifdef EXTRA_SHLIB_EXTENSION | |
989 | /* Try the .so extension first. If that fails build a new filename | |
990 | using EXTRA_SHLIB_EXTENSION. */ | |
991 | if (! ldfile_try_open_bfd (string, entry)) | |
992 | sprintf (string, "%s/lib%s%s%s", search->name, | |
993 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
994 | #endif | |
995 | ||
996 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 997 | { |
04925e1e | 998 | free (string); |
b34976b6 | 999 | return FALSE; |
04925e1e | 1000 | } |
252b5132 | 1001 | |
04925e1e | 1002 | entry->filename = string; |
252b5132 | 1003 | |
04925e1e AM |
1004 | /* We have found a dynamic object to include in the link. The ELF |
1005 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1006 | section naming this file. If this file includes a DT_SONAME | |
1007 | entry, it will be used. Otherwise, the ELF linker will just use | |
1008 | the name of the file. For an archive found by searching, like | |
1009 | this one, the DT_NEEDED entry should consist of just the name of | |
1010 | the file, without the path information used to find it. Note | |
1011 | that we only need to do this if we have a dynamic object; an | |
1012 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1013 | |
04925e1e AM |
1014 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1015 | very pretty. I haven't been able to think of anything that is | |
1016 | pretty, though. */ | |
1017 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1018 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1019 | { | |
04925e1e | 1020 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1021 | |
04925e1e | 1022 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1023 | filename we recorded earlier. */ |
04925e1e | 1024 | |
fed2999d | 1025 | filename = lbasename (entry->filename); |
1c9acd94 | 1026 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1027 | } |
1028 | ||
b34976b6 | 1029 | return TRUE; |
04925e1e AM |
1030 | } |
1031 | ||
41392f03 AM |
1032 | EOF |
1033 | fi | |
cde43e70 AM |
1034 | |
1035 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1036 | cat >>e${EMULATION_NAME}.c <<EOF |
1037 | ||
1038 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 1039 | |
04925e1e | 1040 | static lang_output_section_statement_type * |
24cdb50a AM |
1041 | output_rel_find (sec) |
1042 | asection *sec; | |
04925e1e AM |
1043 | { |
1044 | lang_statement_union_type *u; | |
1045 | lang_output_section_statement_type *lookup; | |
ba493122 AM |
1046 | lang_output_section_statement_type *last = NULL; |
1047 | lang_output_section_statement_type *last_rel = NULL; | |
1048 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1049 | int rela = sec->name[4] == 'a'; |
04925e1e | 1050 | |
ba493122 | 1051 | for (u = lang_output_section_statement.head; u; u = lookup->next) |
04925e1e AM |
1052 | { |
1053 | lookup = &u->output_section_statement; | |
ba493122 | 1054 | if (strncmp (".rel", lookup->name, 4) == 0) |
04925e1e | 1055 | { |
ba493122 AM |
1056 | /* Don't place after .rel.plt as doing so results in wrong |
1057 | dynamic tags. Also, place allocated reloc sections before | |
1058 | non-allocated. */ | |
24cdb50a | 1059 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1060 | |
24cdb50a | 1061 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0 |
ba493122 AM |
1062 | || (lookup->bfd_section != NULL |
1063 | && (lookup->bfd_section->flags & SEC_ALLOC) == 0)) | |
1064 | break; | |
24cdb50a AM |
1065 | last = lookup; |
1066 | if (rela == lookrela) | |
1067 | last_rel = lookup; | |
ba493122 AM |
1068 | if (lookup->bfd_section != NULL |
1069 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1070 | last_rel_alloc = lookup; | |
04925e1e | 1071 | } |
252b5132 | 1072 | } |
ba493122 AM |
1073 | |
1074 | if (last_rel_alloc) | |
1075 | return last_rel_alloc; | |
1076 | ||
1077 | if (last_rel) | |
1078 | return last_rel; | |
1079 | ||
1080 | return last; | |
252b5132 RH |
1081 | } |
1082 | ||
95500e1c JJ |
1083 | /* Find the last output section before given output statement. |
1084 | Used by place_orphan. */ | |
1085 | ||
1086 | static asection * | |
1087 | output_prev_sec_find (os) | |
1088 | lang_output_section_statement_type *os; | |
1089 | { | |
1090 | asection *s = (asection *) NULL; | |
1091 | lang_statement_union_type *u; | |
1092 | lang_output_section_statement_type *lookup; | |
1093 | ||
1094 | for (u = lang_output_section_statement.head; | |
1095 | u != (lang_statement_union_type *) NULL; | |
1096 | u = lookup->next) | |
1097 | { | |
1098 | lookup = &u->output_section_statement; | |
1099 | if (lookup == os) | |
cde43e70 AM |
1100 | return s; |
1101 | ||
1102 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1103 | s = lookup->bfd_section; |
1104 | } | |
1105 | ||
cde43e70 | 1106 | return NULL; |
95500e1c JJ |
1107 | } |
1108 | ||
252b5132 RH |
1109 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1110 | sections in the right segment. */ | |
1111 | ||
41392f03 | 1112 | struct orphan_save { |
6a345e87 | 1113 | lang_output_section_statement_type *os; |
5ba47421 | 1114 | asection **section; |
6a345e87 | 1115 | lang_statement_union_type **stmt; |
1e5e5400 | 1116 | lang_statement_union_type **os_tail; |
6a345e87 | 1117 | }; |
252b5132 | 1118 | |
b34976b6 | 1119 | static bfd_boolean |
252b5132 RH |
1120 | gld${EMULATION_NAME}_place_orphan (file, s) |
1121 | lang_input_statement_type *file; | |
1122 | asection *s; | |
1123 | { | |
aea4bd9d AM |
1124 | static struct orphan_save hold_text; |
1125 | static struct orphan_save hold_rodata; | |
1126 | static struct orphan_save hold_data; | |
1127 | static struct orphan_save hold_bss; | |
1128 | static struct orphan_save hold_rel; | |
1129 | static struct orphan_save hold_interp; | |
c940e6fc | 1130 | static struct orphan_save hold_sdata; |
f9989030 | 1131 | static int count = 1; |
6a345e87 | 1132 | struct orphan_save *place; |
71bfc0ae | 1133 | lang_statement_list_type *old; |
252b5132 RH |
1134 | lang_statement_list_type add; |
1135 | etree_type *address; | |
a854a4a7 | 1136 | const char *secname; |
a854a4a7 | 1137 | const char *ps = NULL; |
252b5132 | 1138 | lang_output_section_statement_type *os; |
1e5e5400 | 1139 | lang_statement_union_type **os_tail; |
36478e9d | 1140 | etree_type *load_base; |
24cdb50a | 1141 | int isdyn = 0; |
252b5132 | 1142 | |
aea4bd9d | 1143 | secname = bfd_get_section_name (s->owner, s); |
24cdb50a AM |
1144 | if (! link_info.relocateable |
1145 | && link_info.combreloc | |
a8927cfd | 1146 | && (s->flags & SEC_ALLOC) |
24cdb50a AM |
1147 | && strncmp (secname, ".rel", 4) == 0) |
1148 | { | |
1149 | if (secname[4] == 'a') | |
1150 | secname = ".rela.dyn"; | |
1151 | else | |
1152 | secname = ".rel.dyn"; | |
1153 | isdyn = 1; | |
1154 | } | |
aea4bd9d | 1155 | |
24cdb50a | 1156 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (secname))) |
252b5132 | 1157 | { |
6d02a667 | 1158 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1159 | os = lang_output_section_find (secname); |
1160 | ||
1161 | if (os != NULL | |
0f33d40b AM |
1162 | && (os->bfd_section == NULL |
1163 | || ((s->flags ^ os->bfd_section->flags) | |
1164 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1165 | { |
0f33d40b | 1166 | /* We already have an output section statement with this |
22af9fd3 | 1167 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1168 | lang_add_section (&os->children, s, os, file); |
b34976b6 | 1169 | return TRUE; |
a854a4a7 | 1170 | } |
252b5132 RH |
1171 | } |
1172 | ||
aea4bd9d AM |
1173 | if (hold_text.os == NULL) |
1174 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1175 | |
1176 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1177 | sections into the .text section to get them out of the way. */ | |
1178 | if (! link_info.shared | |
1179 | && ! link_info.relocateable | |
1180 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
6a345e87 | 1181 | && hold_text.os != NULL) |
252b5132 | 1182 | { |
39dcfe18 | 1183 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
b34976b6 | 1184 | return TRUE; |
252b5132 RH |
1185 | } |
1186 | ||
1187 | /* Decide which segment the section should go in based on the | |
1188 | section name and section flags. We put loadable .note sections | |
1189 | right after the .interp section, so that the PT_NOTE segment is | |
1190 | stored right after the program headers where the OS can read it | |
1191 | in the first page. */ | |
aea4bd9d AM |
1192 | #define HAVE_SECTION(hold, name) \ |
1193 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1194 | ||
1d475d82 | 1195 | if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocateable) |
22af9fd3 AM |
1196 | { |
1197 | if (s->output_section == NULL) | |
1198 | s->output_section = bfd_abs_section_ptr; | |
b34976b6 | 1199 | return TRUE; |
22af9fd3 | 1200 | } |
71bfc0ae AM |
1201 | |
1202 | place = NULL; | |
1203 | if ((s->flags & SEC_ALLOC) == 0) | |
1204 | ; | |
252b5132 | 1205 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1206 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1207 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1208 | place = &hold_interp; |
252b5132 | 1209 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1210 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1211 | place = &hold_bss; |
c940e6fc JW |
1212 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1213 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1214 | place = &hold_sdata; | |
252b5132 | 1215 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1216 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1217 | place = &hold_data; |
252b5132 | 1218 | else if (strncmp (secname, ".rel", 4) == 0 |
ba493122 | 1219 | && (s->flags & SEC_LOAD) != 0 |
aea4bd9d | 1220 | && (hold_rel.os != NULL |
24cdb50a | 1221 | || (hold_rel.os = output_rel_find (s)) != NULL)) |
ba493122 | 1222 | place = &hold_rel; |
71bfc0ae | 1223 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1224 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1225 | place = &hold_rodata; |
71bfc0ae | 1226 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1227 | && hold_text.os != NULL) |
1228 | place = &hold_text; | |
252b5132 | 1229 | |
aea4bd9d AM |
1230 | #undef HAVE_SECTION |
1231 | ||
252b5132 RH |
1232 | /* Choose a unique name for the section. This will be needed if the |
1233 | same section name appears in the input file with different | |
f813923c | 1234 | loadable or allocatable characteristics. */ |
24cdb50a | 1235 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) |
b3ea3584 | 1236 | { |
24cdb50a AM |
1237 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); |
1238 | if (secname == NULL) | |
b3ea3584 AM |
1239 | einfo ("%F%P: place_orphan failed: %E\n"); |
1240 | } | |
252b5132 | 1241 | |
71bfc0ae AM |
1242 | /* Start building a list of statements for this section. |
1243 | First save the current statement pointer. */ | |
1244 | old = stat_ptr; | |
1245 | ||
1246 | /* If we have found an appropriate place for the output section | |
1247 | statements for this orphan, add them to our own private list, | |
1248 | inserting them later into the global statement list. */ | |
5ba47421 | 1249 | if (place != NULL) |
252b5132 | 1250 | { |
5ba47421 AM |
1251 | stat_ptr = &add; |
1252 | lang_list_init (stat_ptr); | |
71bfc0ae | 1253 | } |
5ba47421 | 1254 | |
71bfc0ae AM |
1255 | if (config.build_constructors) |
1256 | { | |
5ba47421 AM |
1257 | /* If the name of the section is representable in C, then create |
1258 | symbols to mark the start and the end of the section. */ | |
24cdb50a | 1259 | for (ps = secname; *ps != '\0'; ps++) |
3882b010 | 1260 | if (! ISALNUM (*ps) && *ps != '_') |
5ba47421 | 1261 | break; |
71bfc0ae | 1262 | if (*ps == '\0') |
5ba47421 AM |
1263 | { |
1264 | char *symname; | |
1265 | etree_type *e_align; | |
1266 | ||
24cdb50a AM |
1267 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); |
1268 | sprintf (symname, "__start_%s", secname); | |
5ba47421 AM |
1269 | e_align = exp_unop (ALIGN_K, |
1270 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1271 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1272 | } | |
252b5132 RH |
1273 | } |
1274 | ||
36478e9d | 1275 | address = NULL; |
01cc8ff8 | 1276 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1277 | address = exp_intop ((bfd_vma) 0); |
36478e9d AM |
1278 | |
1279 | load_base = NULL; | |
1280 | if (place != NULL && place->os->load_base != NULL) | |
1281 | { | |
1282 | etree_type *lma_from_vma; | |
1283 | lma_from_vma = exp_binop ('-', place->os->load_base, | |
1284 | exp_nameop (ADDR, place->os->name)); | |
1285 | load_base = exp_binop ('+', lma_from_vma, | |
1286 | exp_nameop (ADDR, secname)); | |
1287 | } | |
252b5132 | 1288 | |
1e5e5400 | 1289 | os_tail = lang_output_section_statement.tail; |
24cdb50a | 1290 | os = lang_enter_output_section_statement (secname, address, 0, |
aea4bd9d AM |
1291 | (bfd_vma) 0, |
1292 | (etree_type *) NULL, | |
1293 | (etree_type *) NULL, | |
36478e9d | 1294 | load_base); |
252b5132 | 1295 | |
39dcfe18 | 1296 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1297 | |
20d04697 L |
1298 | lang_leave_output_section_statement |
1299 | ((bfd_vma) 0, "*default*", | |
ee3cc2e2 | 1300 | (struct lang_output_section_phdr_list *) NULL, NULL); |
20d04697 | 1301 | |
71bfc0ae | 1302 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1303 | { |
71bfc0ae | 1304 | char *symname; |
252b5132 | 1305 | |
71bfc0ae AM |
1306 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1307 | stat_ptr back where we want it. */ | |
1308 | if (place != NULL) | |
1309 | stat_ptr = &add; | |
252b5132 | 1310 | |
24cdb50a AM |
1311 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); |
1312 | sprintf (symname, "__stop_%s", secname); | |
71bfc0ae AM |
1313 | lang_add_assignment (exp_assop ('=', symname, |
1314 | exp_nameop (NAME, "."))); | |
1315 | } | |
5ba47421 | 1316 | |
71bfc0ae AM |
1317 | /* Restore the global list pointer. */ |
1318 | stat_ptr = old; | |
1319 | ||
25844aae | 1320 | if (place != NULL && os->bfd_section != NULL) |
71bfc0ae | 1321 | { |
cde43e70 | 1322 | asection *snew, **pps; |
5ba47421 AM |
1323 | |
1324 | snew = os->bfd_section; | |
95500e1c | 1325 | |
cde43e70 AM |
1326 | /* Shuffle the bfd section list to make the output file look |
1327 | neater. This is really only cosmetic. */ | |
1328 | if (place->section == NULL) | |
5ba47421 | 1329 | { |
cde43e70 | 1330 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1331 | |
cde43e70 AM |
1332 | /* If the output statement hasn't been used to place |
1333 | any input sections (and thus doesn't have an output | |
1334 | bfd_section), look for the closest prior output statement | |
1335 | having an output section. */ | |
1336 | if (bfd_section == NULL) | |
1337 | bfd_section = output_prev_sec_find (place->os); | |
1338 | ||
1339 | if (bfd_section != NULL && bfd_section != snew) | |
1340 | place->section = &bfd_section->next; | |
1341 | } | |
1342 | ||
1343 | if (place->section != NULL) | |
1344 | { | |
3dfe7a8c | 1345 | /* Unlink the section. */ |
5ba47421 AM |
1346 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
1347 | ; | |
3dfe7a8c | 1348 | bfd_section_list_remove (output_bfd, pps); |
5ba47421 AM |
1349 | |
1350 | /* Now tack it on to the "place->os" section list. */ | |
3dfe7a8c | 1351 | bfd_section_list_insert (output_bfd, place->section, snew); |
5ba47421 | 1352 | } |
5ba47421 | 1353 | |
cde43e70 AM |
1354 | /* Save the end of this list. Further ophans of this type will |
1355 | follow the one we've just added. */ | |
1356 | place->section = &snew->next; | |
1357 | ||
1358 | /* The following is non-cosmetic. We try to put the output | |
1359 | statements in some sort of reasonable order here, because | |
1360 | they determine the final load addresses of the orphan | |
1361 | sections. In addition, placing output statements in the | |
1362 | wrong order may require extra segments. For instance, | |
1363 | given a typical situation of all read-only sections placed | |
1364 | in one segment and following that a segment containing all | |
1365 | the read-write sections, we wouldn't want to place an orphan | |
1366 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1367 | if (add.head != NULL) |
01cc8ff8 | 1368 | { |
1e5e5400 AM |
1369 | lang_statement_union_type *newly_added_os; |
1370 | ||
ed15ac6a AM |
1371 | if (place->stmt == NULL) |
1372 | { | |
1373 | /* Put the new statement list right at the head. */ | |
1374 | *add.tail = place->os->header.next; | |
1375 | place->os->header.next = add.head; | |
1e5e5400 AM |
1376 | |
1377 | place->os_tail = &place->os->next; | |
ed15ac6a AM |
1378 | } |
1379 | else | |
1380 | { | |
1381 | /* Put it after the last orphan statement we added. */ | |
1382 | *add.tail = *place->stmt; | |
1383 | *place->stmt = add.head; | |
1384 | } | |
71bfc0ae | 1385 | |
ed15ac6a AM |
1386 | /* Fix the global list pointer if we happened to tack our |
1387 | new list at the tail. */ | |
1388 | if (*old->tail == add.head) | |
1389 | old->tail = add.tail; | |
71bfc0ae | 1390 | |
ed15ac6a AM |
1391 | /* Save the end of this list. */ |
1392 | place->stmt = add.tail; | |
1e5e5400 AM |
1393 | |
1394 | /* Do the same for the list of output section statements. */ | |
1395 | newly_added_os = *os_tail; | |
1396 | *os_tail = NULL; | |
1397 | newly_added_os->output_section_statement.next = *place->os_tail; | |
1398 | *place->os_tail = newly_added_os; | |
1399 | place->os_tail = &newly_added_os->output_section_statement.next; | |
1400 | ||
1401 | /* Fixing the global list pointer here is a little different. | |
1402 | We added to the list in lang_enter_output_section_statement, | |
1403 | trimmed off the new output_section_statment above when | |
1404 | assigning *os_tail = NULL, but possibly added it back in | |
1405 | the same place when assigning *place->os_tail. */ | |
1406 | if (*os_tail == NULL) | |
1407 | lang_output_section_statement.tail = os_tail; | |
ed15ac6a | 1408 | } |
6a345e87 | 1409 | } |
252b5132 | 1410 | |
b34976b6 | 1411 | return TRUE; |
252b5132 | 1412 | } |
c56feb2b AM |
1413 | EOF |
1414 | fi | |
1415 | ||
1416 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1417 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1418 | |
73d074b4 DJ |
1419 | static void |
1420 | gld${EMULATION_NAME}_finish () | |
1421 | { | |
65765700 | 1422 | if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info)) |
73d074b4 | 1423 | { |
e3dc8847 HPN |
1424 | lang_reset_memory_regions (); |
1425 | ||
73d074b4 DJ |
1426 | /* Resize the sections. */ |
1427 | lang_size_sections (stat_ptr->head, abs_output_section, | |
ca0b5847 | 1428 | &stat_ptr->head, 0, (bfd_vma) 0, NULL); |
73d074b4 DJ |
1429 | |
1430 | /* Redo special stuff. */ | |
1431 | ldemul_after_allocation (); | |
1432 | ||
1433 | /* Do the assignments again. */ | |
1434 | lang_do_assignments (stat_ptr->head, abs_output_section, | |
2c382fb6 | 1435 | (fill_type *) 0, (bfd_vma) 0); |
73d074b4 DJ |
1436 | } |
1437 | } | |
41392f03 AM |
1438 | EOF |
1439 | fi | |
1440 | ||
1441 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1442 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1443 | |
1444 | static char * | |
41392f03 | 1445 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1446 | int *isfile; |
1447 | EOF | |
1448 | ||
1449 | if test -n "$COMPILE_IN" | |
1450 | then | |
1451 | # Scripts compiled in. | |
1452 | ||
1453 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1454 | sc="-f stringify.sed" |
252b5132 RH |
1455 | |
1456 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1457 | { |
252b5132 RH |
1458 | *isfile = 0; |
1459 | ||
b34976b6 | 1460 | if (link_info.relocateable && config.build_constructors) |
597e2591 | 1461 | return |
252b5132 | 1462 | EOF |
b34976b6 AM |
1463 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1464 | echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c | |
1465 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1466 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1467 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1468 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
b34976b6 AM |
1469 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1470 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1471 | fi |
252b5132 | 1472 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1473 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
db6751f2 | 1474 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
b34976b6 | 1475 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1476 | fi |
b34976b6 AM |
1477 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1478 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1479 | fi |
82434356 | 1480 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
b34976b6 AM |
1481 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1482 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1483 | fi |
b34976b6 AM |
1484 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1485 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1486 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1487 | |
1488 | else | |
1489 | # Scripts read from the filesystem. | |
1490 | ||
1491 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1492 | { |
252b5132 RH |
1493 | *isfile = 1; |
1494 | ||
b34976b6 | 1495 | if (link_info.relocateable && config.build_constructors) |
252b5132 | 1496 | return "ldscripts/${EMULATION_NAME}.xu"; |
b34976b6 | 1497 | else if (link_info.relocateable) |
252b5132 RH |
1498 | return "ldscripts/${EMULATION_NAME}.xr"; |
1499 | else if (!config.text_read_only) | |
1500 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1501 | else if (!config.magic_demand_paged) | |
1502 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1503 | else if (link_info.shared) | |
1504 | return "ldscripts/${EMULATION_NAME}.xs"; | |
1505 | else | |
1506 | return "ldscripts/${EMULATION_NAME}.x"; | |
1507 | } | |
252b5132 | 1508 | |
3b108066 | 1509 | EOF |
41392f03 AM |
1510 | fi |
1511 | fi | |
3b108066 | 1512 | |
41392f03 | 1513 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1514 | |
4b209b22 | 1515 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
3b108066 | 1516 | |
e0ee487b L |
1517 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1518 | cat >>e${EMULATION_NAME}.c <<EOF | |
1519 | $PARSE_AND_LIST_PROLOGUE | |
1520 | EOF | |
1521 | fi | |
1522 | ||
e0ee487b L |
1523 | cat >>e${EMULATION_NAME}.c <<EOF |
1524 | ||
1525 | #include "getopt.h" | |
1526 | ||
6c1439be L |
1527 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1528 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1529 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1530 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
6c1439be | 1531 | |
e0ee487b L |
1532 | static struct option longopts[] = |
1533 | { | |
1534 | EOF | |
e0ee487b L |
1535 | |
1536 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1537 | cat >>e${EMULATION_NAME}.c <<EOF | |
699845ef L |
1538 | /* getopt allows abbreviations, so we do this to stop it from |
1539 | treating -d/-e as abbreviations for these options. */ | |
6c1439be | 1540 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
699845ef L |
1541 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1542 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
6c1439be | 1543 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
65765700 | 1544 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, |
a1ab1d2a UD |
1545 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
1546 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1547 | EOF |
1548 | fi | |
1549 | ||
1550 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1551 | cat >>e${EMULATION_NAME}.c <<EOF | |
1552 | $PARSE_AND_LIST_LONGOPTS | |
1553 | EOF | |
1554 | fi | |
1555 | ||
e0ee487b L |
1556 | cat >>e${EMULATION_NAME}.c <<EOF |
1557 | {NULL, no_argument, NULL, 0} | |
1558 | }; | |
1559 | ||
04925e1e | 1560 | |
4b209b22 | 1561 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
41392f03 | 1562 | |
e0ee487b | 1563 | static int |
4b209b22 | 1564 | gld${EMULATION_NAME}_parse_args (argc, argv) |
e0ee487b L |
1565 | int argc; |
1566 | char ** argv; | |
1567 | { | |
4b209b22 AM |
1568 | int longind; |
1569 | int optc; | |
1570 | static int prevoptind = -1; | |
e0ee487b L |
1571 | int prevopterr = opterr; |
1572 | int wanterror; | |
e0ee487b | 1573 | |
4b209b22 | 1574 | if (prevoptind != optind) |
e0ee487b L |
1575 | opterr = 0; |
1576 | ||
4b209b22 AM |
1577 | wanterror = opterr; |
1578 | prevoptind = optind; | |
1579 | ||
41392f03 AM |
1580 | optc = getopt_long_only (argc, argv, |
1581 | "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, | |
1582 | &longind); | |
e0ee487b L |
1583 | opterr = prevopterr; |
1584 | ||
1585 | switch (optc) | |
1586 | { | |
1587 | default: | |
1588 | if (wanterror) | |
1589 | xexit (1); | |
4b209b22 | 1590 | optind = prevoptind; |
e0ee487b | 1591 | return 0; |
6c1439be | 1592 | |
e0ee487b | 1593 | EOF |
e0ee487b L |
1594 | |
1595 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1596 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1597 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1598 | link_info.new_dtags = FALSE; |
6c1439be L |
1599 | break; |
1600 | ||
1601 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1602 | link_info.new_dtags = TRUE; |
6c1439be L |
1603 | break; |
1604 | ||
65765700 | 1605 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1606 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1607 | break; |
1608 | ||
a1ab1d2a UD |
1609 | case OPTION_GROUP: |
1610 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1611 | /* Groups must be self-contained. */ | |
b34976b6 | 1612 | link_info.no_undefined = TRUE; |
a1ab1d2a UD |
1613 | break; |
1614 | ||
e0ee487b L |
1615 | case 'z': |
1616 | if (strcmp (optarg, "initfirst") == 0) | |
1617 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1618 | else if (strcmp (optarg, "interpose") == 0) | |
1619 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1620 | else if (strcmp (optarg, "loadfltr") == 0) | |
1621 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1622 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1623 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1624 | else if (strcmp (optarg, "nodelete") == 0) | |
1625 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1626 | else if (strcmp (optarg, "nodlopen") == 0) | |
1627 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1628 | else if (strcmp (optarg, "nodump") == 0) | |
1629 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1630 | else if (strcmp (optarg, "now") == 0) | |
1631 | { | |
1632 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1633 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1634 | } | |
1635 | else if (strcmp (optarg, "origin") == 0) | |
1636 | { | |
1637 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1638 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1639 | } | |
a1ab1d2a | 1640 | else if (strcmp (optarg, "defs") == 0) |
b34976b6 | 1641 | link_info.no_undefined = TRUE; |
aa713662 | 1642 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1643 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1644 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1645 | link_info.combreloc = TRUE; |
db6751f2 | 1646 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1647 | link_info.combreloc = FALSE; |
8bd621d8 | 1648 | else if (strcmp (optarg, "nocopyreloc") == 0) |
b34976b6 | 1649 | link_info.nocopyreloc = TRUE; |
e0ee487b | 1650 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1651 | break; |
e0ee487b L |
1652 | EOF |
1653 | fi | |
1654 | ||
1655 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1656 | cat >>e${EMULATION_NAME}.c <<EOF | |
1657 | $PARSE_AND_LIST_ARGS_CASES | |
1658 | EOF | |
1659 | fi | |
1660 | ||
e0ee487b L |
1661 | cat >>e${EMULATION_NAME}.c <<EOF |
1662 | } | |
1663 | ||
1664 | return 1; | |
1665 | } | |
1666 | ||
41392f03 AM |
1667 | EOF |
1668 | fi | |
1669 | ||
4b209b22 | 1670 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1671 | cat >>e${EMULATION_NAME}.c <<EOF |
1672 | ||
4b209b22 | 1673 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
04925e1e | 1674 | |
e0ee487b | 1675 | static void |
4b209b22 | 1676 | gld${EMULATION_NAME}_list_options (file) |
e0ee487b L |
1677 | FILE * file; |
1678 | { | |
1679 | EOF | |
e0ee487b L |
1680 | |
1681 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1682 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1683 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1684 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1685 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1686 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1687 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
a1ab1d2a | 1688 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
f813923c HPN |
1689 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1690 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1691 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1692 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1693 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1694 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1695 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1696 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1697 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1698 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
e0ee487b | 1699 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1700 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
19e3be22 | 1701 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1702 | EOF |
1703 | fi | |
1704 | ||
1705 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1706 | cat >>e${EMULATION_NAME}.c <<EOF | |
1707 | $PARSE_AND_LIST_OPTIONS | |
1708 | EOF | |
1709 | fi | |
1710 | ||
e0ee487b L |
1711 | cat >>e${EMULATION_NAME}.c <<EOF |
1712 | } | |
1713 | EOF | |
e0ee487b L |
1714 | |
1715 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1716 | cat >>e${EMULATION_NAME}.c <<EOF | |
1717 | $PARSE_AND_LIST_EPILOGUE | |
1718 | EOF | |
1719 | fi | |
41392f03 AM |
1720 | fi |
1721 | else | |
4b209b22 | 1722 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
41392f03 | 1723 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1724 | #define gld${EMULATION_NAME}_parse_args NULL |
41392f03 AM |
1725 | EOF |
1726 | fi | |
4b209b22 | 1727 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1728 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1729 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1730 | EOF |
1731 | fi | |
1732 | fi | |
e0ee487b | 1733 | |
252b5132 RH |
1734 | cat >>e${EMULATION_NAME}.c <<EOF |
1735 | ||
60bcf0fa | 1736 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1737 | { |
41392f03 AM |
1738 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1739 | ${LDEMUL_SYSLIB-syslib_default}, | |
1740 | ${LDEMUL_HLL-hll_default}, | |
1741 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1742 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1743 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1744 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1745 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1746 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1747 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1748 | "${EMULATION_NAME}", |
1749 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1750 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1751 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1752 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1753 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1754 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
4b209b22 | 1755 | ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, |
41392f03 | 1756 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1757 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
41392f03 AM |
1758 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
1759 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, | |
fac1652d | 1760 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1761 | }; |
1762 | EOF |