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${EMULATION_NAME}_try_needed (filename, force)) | |
b34976b6 | 429 | return TRUE; |
04925e1e AM |
430 | |
431 | free (filename); | |
432 | ||
433 | if (*s == '\0') | |
434 | break; | |
435 | path = s + 1; | |
436 | } | |
437 | ||
b34976b6 | 438 | return FALSE; |
04925e1e AM |
439 | } |
440 | ||
441 | EOF | |
9c8ebd6a | 442 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 443 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a DJ |
444 | |
445 | /* Add the sysroot to every entry in a colon-separated path. */ | |
446 | ||
447 | static char * | |
448 | gld${EMULATION_NAME}_add_sysroot (path) | |
449 | const char *path; | |
450 | { | |
451 | int len, colons, i; | |
452 | char *ret, *p; | |
453 | ||
454 | len = strlen (path); | |
455 | colons = 0; | |
456 | i = 0; | |
457 | while (path[i]) | |
458 | if (path[i++] == ':') | |
459 | colons++; | |
460 | ||
461 | if (path[i]) | |
462 | colons++; | |
463 | ||
42644a89 | 464 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
465 | ret = xmalloc (len + 1); |
466 | strcpy (ret, ld_sysroot); | |
467 | p = ret + strlen (ret); | |
468 | i = 0; | |
469 | while (path[i]) | |
470 | if (path[i] == ':') | |
471 | { | |
ae42d3a9 | 472 | *p++ = path[i++]; |
9c8ebd6a DJ |
473 | strcpy (p, ld_sysroot); |
474 | p = p + strlen (p); | |
9c8ebd6a DJ |
475 | } |
476 | else | |
477 | *p++ = path[i++]; | |
478 | ||
479 | *p = 0; | |
480 | return ret; | |
481 | } | |
04925e1e | 482 | |
3dc16cab DJ |
483 | EOF |
484 | case ${target} in | |
485 | *-*-linux-gnu*) | |
486 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
487 | /* For a native linker, check the file /etc/ld.so.conf for directories |
488 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 489 | only meaningful on Linux. */ |
04925e1e | 490 | |
b34976b6 | 491 | static bfd_boolean gld${EMULATION_NAME}_check_ld_so_conf |
04925e1e AM |
492 | PARAMS ((const char *, int)); |
493 | ||
b34976b6 | 494 | static bfd_boolean |
04925e1e AM |
495 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) |
496 | const char *name; | |
497 | int force; | |
498 | { | |
b34976b6 | 499 | static bfd_boolean initialized; |
04925e1e AM |
500 | static char *ld_so_conf; |
501 | ||
502 | if (! initialized) | |
503 | { | |
504 | FILE *f; | |
9c8ebd6a | 505 | char *tmppath; |
04925e1e | 506 | |
9c8ebd6a DJ |
507 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); |
508 | f = fopen (tmppath, FOPEN_RT); | |
509 | free (tmppath); | |
04925e1e AM |
510 | if (f != NULL) |
511 | { | |
512 | char *b; | |
513 | size_t len, alloc; | |
514 | int c; | |
515 | ||
516 | len = 0; | |
517 | alloc = 100; | |
518 | b = (char *) xmalloc (alloc); | |
519 | ||
520 | while ((c = getc (f)) != EOF) | |
521 | { | |
522 | if (len + 1 >= alloc) | |
523 | { | |
524 | alloc *= 2; | |
525 | b = (char *) xrealloc (b, alloc); | |
526 | } | |
527 | if (c != ':' | |
528 | && c != ' ' | |
529 | && c != '\t' | |
530 | && c != '\n' | |
531 | && c != ',') | |
532 | { | |
533 | b[len] = c; | |
534 | ++len; | |
535 | } | |
536 | else | |
537 | { | |
538 | if (len > 0 && b[len - 1] != ':') | |
539 | { | |
540 | b[len] = ':'; | |
541 | ++len; | |
542 | } | |
543 | } | |
544 | } | |
545 | ||
546 | if (len > 0 && b[len - 1] == ':') | |
547 | --len; | |
252b5132 | 548 | |
04925e1e AM |
549 | if (len > 0) |
550 | b[len] = '\0'; | |
551 | else | |
552 | { | |
553 | free (b); | |
554 | b = NULL; | |
555 | } | |
252b5132 | 556 | |
04925e1e | 557 | fclose (f); |
252b5132 | 558 | |
9c8ebd6a DJ |
559 | if (b) |
560 | { | |
561 | char *d = gld${EMULATION_NAME}_add_sysroot (b); | |
562 | free (b); | |
563 | b = d; | |
564 | } | |
565 | ||
04925e1e AM |
566 | ld_so_conf = b; |
567 | } | |
49e56c49 | 568 | |
b34976b6 | 569 | initialized = TRUE; |
04925e1e | 570 | } |
49e56c49 | 571 | |
04925e1e | 572 | if (ld_so_conf == NULL) |
b34976b6 | 573 | return FALSE; |
252b5132 | 574 | |
04925e1e | 575 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
252b5132 RH |
576 | } |
577 | ||
04925e1e | 578 | EOF |
9c8ebd6a DJ |
579 | # Linux |
580 | ;; | |
04925e1e AM |
581 | esac |
582 | fi | |
583 | cat >>e${EMULATION_NAME}.c <<EOF | |
584 | ||
252b5132 RH |
585 | /* See if an input file matches a DT_NEEDED entry by name. */ |
586 | ||
587 | static void | |
588 | gld${EMULATION_NAME}_check_needed (s) | |
589 | lang_input_statement_type *s; | |
590 | { | |
591 | if (global_found) | |
592 | return; | |
593 | ||
577a0623 | 594 | if (s->filename != NULL) |
252b5132 | 595 | { |
577a0623 AM |
596 | const char *f; |
597 | ||
598 | if (strcmp (s->filename, global_needed->name) == 0) | |
599 | { | |
b34976b6 | 600 | global_found = TRUE; |
577a0623 AM |
601 | return; |
602 | } | |
603 | ||
604 | if (s->search_dirs_flag) | |
605 | { | |
606 | f = strrchr (s->filename, '/'); | |
607 | if (f != NULL | |
608 | && strcmp (f + 1, global_needed->name) == 0) | |
609 | { | |
b34976b6 | 610 | global_found = TRUE; |
577a0623 AM |
611 | return; |
612 | } | |
613 | } | |
252b5132 RH |
614 | } |
615 | ||
616 | if (s->the_bfd != NULL) | |
617 | { | |
618 | const char *soname; | |
619 | ||
620 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
621 | if (soname != NULL | |
622 | && strcmp (soname, global_needed->name) == 0) | |
623 | { | |
b34976b6 | 624 | global_found = TRUE; |
252b5132 RH |
625 | return; |
626 | } | |
627 | } | |
252b5132 RH |
628 | } |
629 | ||
41392f03 AM |
630 | EOF |
631 | ||
632 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
633 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
634 | |
635 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
636 | |
637 | static void | |
04925e1e | 638 | gld${EMULATION_NAME}_after_open () |
252b5132 | 639 | { |
04925e1e | 640 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 641 | |
04925e1e AM |
642 | /* We only need to worry about this when doing a final link. */ |
643 | if (link_info.relocateable || link_info.shared) | |
252b5132 RH |
644 | return; |
645 | ||
04925e1e AM |
646 | /* Get the list of files which appear in DT_NEEDED entries in |
647 | dynamic objects included in the link (often there will be none). | |
648 | For each such file, we want to track down the corresponding | |
649 | library, and include the symbol table in the link. This is what | |
650 | the runtime dynamic linker will do. Tracking the files down here | |
651 | permits one dynamic object to include another without requiring | |
652 | special action by the person doing the link. Note that the | |
653 | needed list can actually grow while we are stepping through this | |
654 | loop. */ | |
655 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
656 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 657 | { |
04925e1e AM |
658 | struct bfd_link_needed_list *ll; |
659 | int force; | |
252b5132 | 660 | |
04925e1e AM |
661 | /* If we've already seen this file, skip it. */ |
662 | for (ll = needed; ll != l; ll = ll->next) | |
663 | if (strcmp (ll->name, l->name) == 0) | |
664 | break; | |
665 | if (ll != l) | |
666 | continue; | |
252b5132 | 667 | |
04925e1e AM |
668 | /* See if this file was included in the link explicitly. */ |
669 | global_needed = l; | |
b34976b6 | 670 | global_found = FALSE; |
04925e1e AM |
671 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
672 | if (global_found) | |
673 | continue; | |
252b5132 | 674 | |
ec4eb78a L |
675 | if (trace_file_tries) |
676 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
677 | ||
04925e1e AM |
678 | /* We need to find this file and include the symbol table. We |
679 | want to search for the file in the same way that the dynamic | |
680 | linker will search. That means that we want to use | |
681 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
682 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
683 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
684 | We do not search using the -L arguments. | |
252b5132 | 685 | |
04925e1e AM |
686 | We search twice. The first time, we skip objects which may |
687 | introduce version mismatches. The second time, we force | |
688 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
689 | for (force = 0; force < 2; force++) | |
690 | { | |
04925e1e AM |
691 | size_t len; |
692 | search_dirs_type *search; | |
6dd8c765 | 693 | EOF |
9c8ebd6a | 694 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
6dd8c765 | 695 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 696 | const char *lib_path; |
6dd8c765 L |
697 | struct bfd_link_needed_list *rp; |
698 | int found; | |
699 | EOF | |
6dd8c765 L |
700 | fi |
701 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 702 | |
04925e1e AM |
703 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
704 | l->name, force)) | |
705 | break; | |
dcb0bd0e | 706 | EOF |
9c8ebd6a | 707 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 708 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
709 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
710 | l->name, force)) | |
711 | break; | |
9c8ebd6a DJ |
712 | EOF |
713 | fi | |
714 | if [ "x${NATIVE}" = xyes ] ; then | |
715 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
716 | if (command_line.rpath_link == NULL |
717 | && command_line.rpath == NULL) | |
718 | { | |
719 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
720 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, | |
721 | force)) | |
722 | break; | |
723 | } | |
04925e1e AM |
724 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
725 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) | |
726 | break; | |
9c8ebd6a DJ |
727 | EOF |
728 | fi | |
729 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
730 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 731 | found = 0; |
6dd8c765 L |
732 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
733 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 734 | { |
9c8ebd6a | 735 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 736 | found = (rp->by == l->by |
9c8ebd6a | 737 | && gld${EMULATION_NAME}_search_needed (tmpname, |
ec4eb78a L |
738 | l->name, |
739 | force)); | |
9c8ebd6a | 740 | free (tmpname); |
ec4eb78a L |
741 | } |
742 | if (found) | |
743 | break; | |
744 | ||
04925e1e | 745 | EOF |
04925e1e AM |
746 | fi |
747 | cat >>e${EMULATION_NAME}.c <<EOF | |
748 | len = strlen (l->name); | |
749 | for (search = search_head; search != NULL; search = search->next) | |
750 | { | |
751 | char *filename; | |
252b5132 | 752 | |
04925e1e AM |
753 | if (search->cmdline) |
754 | continue; | |
755 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
756 | sprintf (filename, "%s/%s", search->name, l->name); | |
757 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
758 | break; | |
759 | free (filename); | |
760 | } | |
761 | if (search != NULL) | |
762 | break; | |
763 | EOF | |
9c8ebd6a DJ |
764 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
765 | case ${target} in | |
766 | *-*-linux-gnu*) | |
767 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
768 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
769 | break; | |
770 | EOF | |
9c8ebd6a DJ |
771 | # Linux |
772 | ;; | |
04925e1e AM |
773 | esac |
774 | fi | |
775 | cat >>e${EMULATION_NAME}.c <<EOF | |
776 | } | |
252b5132 | 777 | |
04925e1e AM |
778 | if (force < 2) |
779 | continue; | |
252b5132 | 780 | |
e374f1d9 | 781 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
782 | l->name, l->by); |
783 | } | |
784 | } | |
252b5132 | 785 | |
41392f03 AM |
786 | EOF |
787 | fi | |
788 | ||
789 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 790 | |
04925e1e | 791 | /* Look through an expression for an assignment statement. */ |
252b5132 | 792 | |
04925e1e AM |
793 | static void |
794 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
795 | etree_type *exp; | |
796 | { | |
797 | struct bfd_link_hash_entry *h; | |
798 | ||
799 | switch (exp->type.node_class) | |
252b5132 | 800 | { |
04925e1e AM |
801 | case etree_provide: |
802 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 803 | FALSE, FALSE, FALSE); |
04925e1e AM |
804 | if (h == NULL) |
805 | break; | |
252b5132 | 806 | |
04925e1e AM |
807 | /* We call record_link_assignment even if the symbol is defined. |
808 | This is because if it is defined by a dynamic object, we | |
809 | actually want to use the value defined by the linker script, | |
810 | not the value from the dynamic object (because we are setting | |
811 | symbols like etext). If the symbol is defined by a regular | |
812 | object, then, as it happens, calling record_link_assignment | |
813 | will do no harm. */ | |
814 | ||
815 | /* Fall through. */ | |
816 | case etree_assign: | |
817 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 818 | { |
04925e1e AM |
819 | if (! (bfd_elf${ELFSIZE}_record_link_assignment |
820 | (output_bfd, &link_info, exp->assign.dst, | |
b34976b6 | 821 | exp->type.node_class == etree_provide ? TRUE : FALSE))) |
04925e1e AM |
822 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
823 | exp->assign.dst); | |
252b5132 | 824 | } |
04925e1e AM |
825 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
826 | break; | |
252b5132 | 827 | |
04925e1e AM |
828 | case etree_binary: |
829 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
830 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
831 | break; | |
252b5132 | 832 | |
04925e1e AM |
833 | case etree_trinary: |
834 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
835 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
836 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
837 | break; | |
252b5132 | 838 | |
04925e1e AM |
839 | case etree_unary: |
840 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
841 | break; | |
252b5132 | 842 | |
04925e1e AM |
843 | default: |
844 | break; | |
252b5132 RH |
845 | } |
846 | } | |
847 | ||
04925e1e AM |
848 | |
849 | /* This is called by the before_allocation routine via | |
850 | lang_for_each_statement. It locates any assignment statements, and | |
851 | tells the ELF backend about them, in case they are assignments to | |
852 | symbols which are referred to by dynamic objects. */ | |
853 | ||
854 | static void | |
855 | gld${EMULATION_NAME}_find_statement_assignment (s) | |
856 | lang_statement_union_type *s; | |
857 | { | |
858 | if (s->header.type == lang_assignment_statement_enum) | |
859 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
860 | } | |
861 | ||
41392f03 AM |
862 | EOF |
863 | ||
864 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
865 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
866 | ELF_INTERPRETER_SET_DEFAULT=" | |
867 | if (sinterp != NULL) | |
868 | { | |
869 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
870 | sinterp->_raw_size = strlen (sinterp->contents) + 1; | |
871 | } | |
872 | ||
873 | " | |
874 | else | |
875 | ELF_INTERPRETER_SET_DEFAULT= | |
876 | fi | |
41392f03 | 877 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 878 | |
252b5132 RH |
879 | /* This is called after the sections have been attached to output |
880 | sections, but before any sizes or addresses have been set. */ | |
881 | ||
882 | static void | |
883 | gld${EMULATION_NAME}_before_allocation () | |
884 | { | |
885 | const char *rpath; | |
886 | asection *sinterp; | |
887 | ||
888 | /* If we are going to make any variable assignments, we need to let | |
889 | the ELF backend know about them in case the variables are | |
890 | referred to by dynamic objects. */ | |
891 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
892 | ||
893 | /* Let the ELF backend work out the sizes of any sections required | |
894 | by dynamic linking. */ | |
895 | rpath = command_line.rpath; | |
896 | if (rpath == NULL) | |
897 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
898 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections | |
899 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 900 | command_line.filter_shlib, |
252b5132 RH |
901 | (const char * const *) command_line.auxiliary_filters, |
902 | &link_info, &sinterp, lang_elf_version_info))) | |
903 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 904 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
905 | /* Let the user override the dynamic linker we are using. */ |
906 | if (command_line.interpreter != NULL | |
907 | && sinterp != NULL) | |
908 | { | |
909 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
910 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
911 | } | |
912 | ||
913 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
914 | we treat such sections as containing warning messages. We print | |
915 | out the warning message, and then zero out the section size so | |
916 | that it does not get copied into the output file. */ | |
917 | ||
918 | { | |
919 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
920 | { | |
921 | asection *s; | |
922 | bfd_size_type sz; | |
923 | char *msg; | |
b34976b6 | 924 | bfd_boolean ret; |
252b5132 RH |
925 | |
926 | if (is->just_syms_flag) | |
927 | continue; | |
928 | ||
929 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
930 | if (s == NULL) | |
931 | continue; | |
932 | ||
933 | sz = bfd_section_size (is->the_bfd, s); | |
934 | msg = xmalloc ((size_t) sz + 1); | |
935 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
936 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", | |
937 | is->the_bfd); | |
938 | msg[sz] = '\0'; | |
939 | ret = link_info.callbacks->warning (&link_info, msg, | |
940 | (const char *) NULL, | |
941 | is->the_bfd, (asection *) NULL, | |
942 | (bfd_vma) 0); | |
943 | ASSERT (ret); | |
944 | free (msg); | |
945 | ||
946 | /* Clobber the section size, so that we don't waste copying the | |
947 | warning into the output file. */ | |
948 | s->_raw_size = 0; | |
949 | } | |
950 | } | |
951 | } | |
952 | ||
41392f03 AM |
953 | EOF |
954 | fi | |
955 | ||
956 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
957 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 958 | |
04925e1e AM |
959 | /* Try to open a dynamic archive. This is where we know that ELF |
960 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
961 | like hpux). */ | |
962 | ||
b34976b6 | 963 | static bfd_boolean |
04925e1e AM |
964 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) |
965 | const char *arch; | |
966 | search_dirs_type *search; | |
967 | lang_input_statement_type *entry; | |
252b5132 | 968 | { |
04925e1e AM |
969 | const char *filename; |
970 | char *string; | |
252b5132 | 971 | |
04925e1e | 972 | if (! entry->is_archive) |
b34976b6 | 973 | return FALSE; |
252b5132 | 974 | |
04925e1e | 975 | filename = entry->filename; |
252b5132 | 976 | |
04925e1e AM |
977 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
978 | is defined, but it does not seem worth the headache to optimize | |
979 | away those two bytes of space. */ | |
980 | string = (char *) xmalloc (strlen (search->name) | |
981 | + strlen (filename) | |
982 | + strlen (arch) | |
983 | #ifdef EXTRA_SHLIB_EXTENSION | |
984 | + strlen (EXTRA_SHLIB_EXTENSION) | |
985 | #endif | |
986 | + sizeof "/lib.so"); | |
987 | ||
988 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
989 | ||
990 | #ifdef EXTRA_SHLIB_EXTENSION | |
991 | /* Try the .so extension first. If that fails build a new filename | |
992 | using EXTRA_SHLIB_EXTENSION. */ | |
993 | if (! ldfile_try_open_bfd (string, entry)) | |
994 | sprintf (string, "%s/lib%s%s%s", search->name, | |
995 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
996 | #endif | |
997 | ||
998 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 999 | { |
04925e1e | 1000 | free (string); |
b34976b6 | 1001 | return FALSE; |
04925e1e | 1002 | } |
252b5132 | 1003 | |
04925e1e | 1004 | entry->filename = string; |
252b5132 | 1005 | |
04925e1e AM |
1006 | /* We have found a dynamic object to include in the link. The ELF |
1007 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1008 | section naming this file. If this file includes a DT_SONAME | |
1009 | entry, it will be used. Otherwise, the ELF linker will just use | |
1010 | the name of the file. For an archive found by searching, like | |
1011 | this one, the DT_NEEDED entry should consist of just the name of | |
1012 | the file, without the path information used to find it. Note | |
1013 | that we only need to do this if we have a dynamic object; an | |
1014 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1015 | |
04925e1e AM |
1016 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1017 | very pretty. I haven't been able to think of anything that is | |
1018 | pretty, though. */ | |
1019 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1020 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1021 | { | |
04925e1e | 1022 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1023 | |
04925e1e | 1024 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1025 | filename we recorded earlier. */ |
04925e1e | 1026 | |
fed2999d | 1027 | filename = lbasename (entry->filename); |
1c9acd94 | 1028 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1029 | } |
1030 | ||
b34976b6 | 1031 | return TRUE; |
04925e1e AM |
1032 | } |
1033 | ||
41392f03 AM |
1034 | EOF |
1035 | fi | |
cde43e70 AM |
1036 | |
1037 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1038 | cat >>e${EMULATION_NAME}.c <<EOF |
1039 | ||
1040 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 1041 | |
04925e1e | 1042 | static lang_output_section_statement_type * |
24cdb50a AM |
1043 | output_rel_find (sec) |
1044 | asection *sec; | |
04925e1e AM |
1045 | { |
1046 | lang_statement_union_type *u; | |
1047 | lang_output_section_statement_type *lookup; | |
ba493122 AM |
1048 | lang_output_section_statement_type *last = NULL; |
1049 | lang_output_section_statement_type *last_rel = NULL; | |
1050 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1051 | int rela = sec->name[4] == 'a'; |
04925e1e | 1052 | |
ba493122 | 1053 | for (u = lang_output_section_statement.head; u; u = lookup->next) |
04925e1e AM |
1054 | { |
1055 | lookup = &u->output_section_statement; | |
ba493122 | 1056 | if (strncmp (".rel", lookup->name, 4) == 0) |
04925e1e | 1057 | { |
ba493122 AM |
1058 | /* Don't place after .rel.plt as doing so results in wrong |
1059 | dynamic tags. Also, place allocated reloc sections before | |
1060 | non-allocated. */ | |
24cdb50a | 1061 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1062 | |
24cdb50a | 1063 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0 |
ba493122 AM |
1064 | || (lookup->bfd_section != NULL |
1065 | && (lookup->bfd_section->flags & SEC_ALLOC) == 0)) | |
1066 | break; | |
24cdb50a AM |
1067 | last = lookup; |
1068 | if (rela == lookrela) | |
1069 | last_rel = lookup; | |
ba493122 AM |
1070 | if (lookup->bfd_section != NULL |
1071 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1072 | last_rel_alloc = lookup; | |
04925e1e | 1073 | } |
252b5132 | 1074 | } |
ba493122 AM |
1075 | |
1076 | if (last_rel_alloc) | |
1077 | return last_rel_alloc; | |
1078 | ||
1079 | if (last_rel) | |
1080 | return last_rel; | |
1081 | ||
1082 | return last; | |
252b5132 RH |
1083 | } |
1084 | ||
95500e1c JJ |
1085 | /* Find the last output section before given output statement. |
1086 | Used by place_orphan. */ | |
1087 | ||
1088 | static asection * | |
1089 | output_prev_sec_find (os) | |
1090 | lang_output_section_statement_type *os; | |
1091 | { | |
1092 | asection *s = (asection *) NULL; | |
1093 | lang_statement_union_type *u; | |
1094 | lang_output_section_statement_type *lookup; | |
1095 | ||
1096 | for (u = lang_output_section_statement.head; | |
1097 | u != (lang_statement_union_type *) NULL; | |
1098 | u = lookup->next) | |
1099 | { | |
1100 | lookup = &u->output_section_statement; | |
1101 | if (lookup == os) | |
cde43e70 AM |
1102 | return s; |
1103 | ||
1104 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1105 | s = lookup->bfd_section; |
1106 | } | |
1107 | ||
cde43e70 | 1108 | return NULL; |
95500e1c JJ |
1109 | } |
1110 | ||
252b5132 RH |
1111 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1112 | sections in the right segment. */ | |
1113 | ||
41392f03 | 1114 | struct orphan_save { |
6a345e87 | 1115 | lang_output_section_statement_type *os; |
5ba47421 | 1116 | asection **section; |
6a345e87 | 1117 | lang_statement_union_type **stmt; |
1e5e5400 | 1118 | lang_statement_union_type **os_tail; |
6a345e87 | 1119 | }; |
252b5132 | 1120 | |
b34976b6 | 1121 | static bfd_boolean |
252b5132 RH |
1122 | gld${EMULATION_NAME}_place_orphan (file, s) |
1123 | lang_input_statement_type *file; | |
1124 | asection *s; | |
1125 | { | |
aea4bd9d AM |
1126 | static struct orphan_save hold_text; |
1127 | static struct orphan_save hold_rodata; | |
1128 | static struct orphan_save hold_data; | |
1129 | static struct orphan_save hold_bss; | |
1130 | static struct orphan_save hold_rel; | |
1131 | static struct orphan_save hold_interp; | |
c940e6fc | 1132 | static struct orphan_save hold_sdata; |
f9989030 | 1133 | static int count = 1; |
6a345e87 | 1134 | struct orphan_save *place; |
71bfc0ae | 1135 | lang_statement_list_type *old; |
252b5132 RH |
1136 | lang_statement_list_type add; |
1137 | etree_type *address; | |
a854a4a7 | 1138 | const char *secname; |
a854a4a7 | 1139 | const char *ps = NULL; |
252b5132 | 1140 | lang_output_section_statement_type *os; |
1e5e5400 | 1141 | lang_statement_union_type **os_tail; |
36478e9d | 1142 | etree_type *load_base; |
24cdb50a | 1143 | int isdyn = 0; |
252b5132 | 1144 | |
aea4bd9d | 1145 | secname = bfd_get_section_name (s->owner, s); |
24cdb50a AM |
1146 | if (! link_info.relocateable |
1147 | && link_info.combreloc | |
a8927cfd | 1148 | && (s->flags & SEC_ALLOC) |
24cdb50a AM |
1149 | && strncmp (secname, ".rel", 4) == 0) |
1150 | { | |
1151 | if (secname[4] == 'a') | |
1152 | secname = ".rela.dyn"; | |
1153 | else | |
1154 | secname = ".rel.dyn"; | |
1155 | isdyn = 1; | |
1156 | } | |
aea4bd9d | 1157 | |
24cdb50a | 1158 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (secname))) |
252b5132 | 1159 | { |
6d02a667 | 1160 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1161 | os = lang_output_section_find (secname); |
1162 | ||
1163 | if (os != NULL | |
0f33d40b AM |
1164 | && (os->bfd_section == NULL |
1165 | || ((s->flags ^ os->bfd_section->flags) | |
1166 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1167 | { |
0f33d40b | 1168 | /* We already have an output section statement with this |
22af9fd3 | 1169 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1170 | lang_add_section (&os->children, s, os, file); |
b34976b6 | 1171 | return TRUE; |
a854a4a7 | 1172 | } |
252b5132 RH |
1173 | } |
1174 | ||
aea4bd9d AM |
1175 | if (hold_text.os == NULL) |
1176 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1177 | |
1178 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1179 | sections into the .text section to get them out of the way. */ | |
1180 | if (! link_info.shared | |
1181 | && ! link_info.relocateable | |
1182 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
6a345e87 | 1183 | && hold_text.os != NULL) |
252b5132 | 1184 | { |
39dcfe18 | 1185 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
b34976b6 | 1186 | return TRUE; |
252b5132 RH |
1187 | } |
1188 | ||
1189 | /* Decide which segment the section should go in based on the | |
1190 | section name and section flags. We put loadable .note sections | |
1191 | right after the .interp section, so that the PT_NOTE segment is | |
1192 | stored right after the program headers where the OS can read it | |
1193 | in the first page. */ | |
aea4bd9d AM |
1194 | #define HAVE_SECTION(hold, name) \ |
1195 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1196 | ||
1d475d82 | 1197 | if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocateable) |
22af9fd3 AM |
1198 | { |
1199 | if (s->output_section == NULL) | |
1200 | s->output_section = bfd_abs_section_ptr; | |
b34976b6 | 1201 | return TRUE; |
22af9fd3 | 1202 | } |
71bfc0ae AM |
1203 | |
1204 | place = NULL; | |
1205 | if ((s->flags & SEC_ALLOC) == 0) | |
1206 | ; | |
252b5132 | 1207 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1208 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1209 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1210 | place = &hold_interp; |
252b5132 | 1211 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1212 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1213 | place = &hold_bss; |
c940e6fc JW |
1214 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1215 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1216 | place = &hold_sdata; | |
252b5132 | 1217 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1218 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1219 | place = &hold_data; |
252b5132 | 1220 | else if (strncmp (secname, ".rel", 4) == 0 |
ba493122 | 1221 | && (s->flags & SEC_LOAD) != 0 |
aea4bd9d | 1222 | && (hold_rel.os != NULL |
24cdb50a | 1223 | || (hold_rel.os = output_rel_find (s)) != NULL)) |
ba493122 | 1224 | place = &hold_rel; |
71bfc0ae | 1225 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1226 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1227 | place = &hold_rodata; |
71bfc0ae | 1228 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1229 | && hold_text.os != NULL) |
1230 | place = &hold_text; | |
252b5132 | 1231 | |
aea4bd9d AM |
1232 | #undef HAVE_SECTION |
1233 | ||
252b5132 RH |
1234 | /* Choose a unique name for the section. This will be needed if the |
1235 | same section name appears in the input file with different | |
f813923c | 1236 | loadable or allocatable characteristics. */ |
24cdb50a | 1237 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) |
b3ea3584 | 1238 | { |
24cdb50a AM |
1239 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); |
1240 | if (secname == NULL) | |
b3ea3584 AM |
1241 | einfo ("%F%P: place_orphan failed: %E\n"); |
1242 | } | |
252b5132 | 1243 | |
71bfc0ae AM |
1244 | /* Start building a list of statements for this section. |
1245 | First save the current statement pointer. */ | |
1246 | old = stat_ptr; | |
1247 | ||
1248 | /* If we have found an appropriate place for the output section | |
1249 | statements for this orphan, add them to our own private list, | |
1250 | inserting them later into the global statement list. */ | |
5ba47421 | 1251 | if (place != NULL) |
252b5132 | 1252 | { |
5ba47421 AM |
1253 | stat_ptr = &add; |
1254 | lang_list_init (stat_ptr); | |
71bfc0ae | 1255 | } |
5ba47421 | 1256 | |
71bfc0ae AM |
1257 | if (config.build_constructors) |
1258 | { | |
5ba47421 AM |
1259 | /* If the name of the section is representable in C, then create |
1260 | symbols to mark the start and the end of the section. */ | |
24cdb50a | 1261 | for (ps = secname; *ps != '\0'; ps++) |
3882b010 | 1262 | if (! ISALNUM (*ps) && *ps != '_') |
5ba47421 | 1263 | break; |
71bfc0ae | 1264 | if (*ps == '\0') |
5ba47421 AM |
1265 | { |
1266 | char *symname; | |
1267 | etree_type *e_align; | |
1268 | ||
24cdb50a AM |
1269 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); |
1270 | sprintf (symname, "__start_%s", secname); | |
5ba47421 AM |
1271 | e_align = exp_unop (ALIGN_K, |
1272 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1273 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1274 | } | |
252b5132 RH |
1275 | } |
1276 | ||
36478e9d | 1277 | address = NULL; |
01cc8ff8 | 1278 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1279 | address = exp_intop ((bfd_vma) 0); |
36478e9d AM |
1280 | |
1281 | load_base = NULL; | |
1282 | if (place != NULL && place->os->load_base != NULL) | |
1283 | { | |
1284 | etree_type *lma_from_vma; | |
1285 | lma_from_vma = exp_binop ('-', place->os->load_base, | |
1286 | exp_nameop (ADDR, place->os->name)); | |
1287 | load_base = exp_binop ('+', lma_from_vma, | |
1288 | exp_nameop (ADDR, secname)); | |
1289 | } | |
252b5132 | 1290 | |
1e5e5400 | 1291 | os_tail = lang_output_section_statement.tail; |
24cdb50a | 1292 | os = lang_enter_output_section_statement (secname, address, 0, |
aea4bd9d AM |
1293 | (bfd_vma) 0, |
1294 | (etree_type *) NULL, | |
1295 | (etree_type *) NULL, | |
36478e9d | 1296 | load_base); |
252b5132 | 1297 | |
39dcfe18 | 1298 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1299 | |
20d04697 L |
1300 | lang_leave_output_section_statement |
1301 | ((bfd_vma) 0, "*default*", | |
ee3cc2e2 | 1302 | (struct lang_output_section_phdr_list *) NULL, NULL); |
20d04697 | 1303 | |
71bfc0ae | 1304 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1305 | { |
71bfc0ae | 1306 | char *symname; |
252b5132 | 1307 | |
71bfc0ae AM |
1308 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1309 | stat_ptr back where we want it. */ | |
1310 | if (place != NULL) | |
1311 | stat_ptr = &add; | |
252b5132 | 1312 | |
24cdb50a AM |
1313 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); |
1314 | sprintf (symname, "__stop_%s", secname); | |
71bfc0ae AM |
1315 | lang_add_assignment (exp_assop ('=', symname, |
1316 | exp_nameop (NAME, "."))); | |
1317 | } | |
5ba47421 | 1318 | |
71bfc0ae AM |
1319 | /* Restore the global list pointer. */ |
1320 | stat_ptr = old; | |
1321 | ||
25844aae | 1322 | if (place != NULL && os->bfd_section != NULL) |
71bfc0ae | 1323 | { |
cde43e70 | 1324 | asection *snew, **pps; |
5ba47421 AM |
1325 | |
1326 | snew = os->bfd_section; | |
95500e1c | 1327 | |
cde43e70 AM |
1328 | /* Shuffle the bfd section list to make the output file look |
1329 | neater. This is really only cosmetic. */ | |
1330 | if (place->section == NULL) | |
5ba47421 | 1331 | { |
cde43e70 | 1332 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1333 | |
cde43e70 AM |
1334 | /* If the output statement hasn't been used to place |
1335 | any input sections (and thus doesn't have an output | |
1336 | bfd_section), look for the closest prior output statement | |
1337 | having an output section. */ | |
1338 | if (bfd_section == NULL) | |
1339 | bfd_section = output_prev_sec_find (place->os); | |
1340 | ||
1341 | if (bfd_section != NULL && bfd_section != snew) | |
1342 | place->section = &bfd_section->next; | |
1343 | } | |
1344 | ||
1345 | if (place->section != NULL) | |
1346 | { | |
3dfe7a8c | 1347 | /* Unlink the section. */ |
5ba47421 AM |
1348 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
1349 | ; | |
3dfe7a8c | 1350 | bfd_section_list_remove (output_bfd, pps); |
5ba47421 AM |
1351 | |
1352 | /* Now tack it on to the "place->os" section list. */ | |
3dfe7a8c | 1353 | bfd_section_list_insert (output_bfd, place->section, snew); |
5ba47421 | 1354 | } |
5ba47421 | 1355 | |
cde43e70 AM |
1356 | /* Save the end of this list. Further ophans of this type will |
1357 | follow the one we've just added. */ | |
1358 | place->section = &snew->next; | |
1359 | ||
1360 | /* The following is non-cosmetic. We try to put the output | |
1361 | statements in some sort of reasonable order here, because | |
1362 | they determine the final load addresses of the orphan | |
1363 | sections. In addition, placing output statements in the | |
1364 | wrong order may require extra segments. For instance, | |
1365 | given a typical situation of all read-only sections placed | |
1366 | in one segment and following that a segment containing all | |
1367 | the read-write sections, we wouldn't want to place an orphan | |
1368 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1369 | if (add.head != NULL) |
01cc8ff8 | 1370 | { |
1e5e5400 AM |
1371 | lang_statement_union_type *newly_added_os; |
1372 | ||
ed15ac6a AM |
1373 | if (place->stmt == NULL) |
1374 | { | |
1375 | /* Put the new statement list right at the head. */ | |
1376 | *add.tail = place->os->header.next; | |
1377 | place->os->header.next = add.head; | |
1e5e5400 AM |
1378 | |
1379 | place->os_tail = &place->os->next; | |
ed15ac6a AM |
1380 | } |
1381 | else | |
1382 | { | |
1383 | /* Put it after the last orphan statement we added. */ | |
1384 | *add.tail = *place->stmt; | |
1385 | *place->stmt = add.head; | |
1386 | } | |
71bfc0ae | 1387 | |
ed15ac6a AM |
1388 | /* Fix the global list pointer if we happened to tack our |
1389 | new list at the tail. */ | |
1390 | if (*old->tail == add.head) | |
1391 | old->tail = add.tail; | |
71bfc0ae | 1392 | |
ed15ac6a AM |
1393 | /* Save the end of this list. */ |
1394 | place->stmt = add.tail; | |
1e5e5400 AM |
1395 | |
1396 | /* Do the same for the list of output section statements. */ | |
1397 | newly_added_os = *os_tail; | |
1398 | *os_tail = NULL; | |
1399 | newly_added_os->output_section_statement.next = *place->os_tail; | |
1400 | *place->os_tail = newly_added_os; | |
1401 | place->os_tail = &newly_added_os->output_section_statement.next; | |
1402 | ||
1403 | /* Fixing the global list pointer here is a little different. | |
1404 | We added to the list in lang_enter_output_section_statement, | |
1405 | trimmed off the new output_section_statment above when | |
1406 | assigning *os_tail = NULL, but possibly added it back in | |
1407 | the same place when assigning *place->os_tail. */ | |
1408 | if (*os_tail == NULL) | |
1409 | lang_output_section_statement.tail = os_tail; | |
ed15ac6a | 1410 | } |
6a345e87 | 1411 | } |
252b5132 | 1412 | |
b34976b6 | 1413 | return TRUE; |
252b5132 | 1414 | } |
c56feb2b AM |
1415 | EOF |
1416 | fi | |
1417 | ||
1418 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1419 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1420 | |
73d074b4 DJ |
1421 | static void |
1422 | gld${EMULATION_NAME}_finish () | |
1423 | { | |
65765700 | 1424 | if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info)) |
73d074b4 | 1425 | { |
e3dc8847 HPN |
1426 | lang_reset_memory_regions (); |
1427 | ||
73d074b4 DJ |
1428 | /* Resize the sections. */ |
1429 | lang_size_sections (stat_ptr->head, abs_output_section, | |
cf888e70 | 1430 | &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE); |
73d074b4 DJ |
1431 | |
1432 | /* Redo special stuff. */ | |
1433 | ldemul_after_allocation (); | |
1434 | ||
1435 | /* Do the assignments again. */ | |
1436 | lang_do_assignments (stat_ptr->head, abs_output_section, | |
2c382fb6 | 1437 | (fill_type *) 0, (bfd_vma) 0); |
73d074b4 DJ |
1438 | } |
1439 | } | |
41392f03 AM |
1440 | EOF |
1441 | fi | |
1442 | ||
1443 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1444 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1445 | |
1446 | static char * | |
41392f03 | 1447 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1448 | int *isfile; |
1449 | EOF | |
1450 | ||
1451 | if test -n "$COMPILE_IN" | |
1452 | then | |
1453 | # Scripts compiled in. | |
1454 | ||
1455 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1456 | sc="-f stringify.sed" |
252b5132 RH |
1457 | |
1458 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1459 | { |
252b5132 RH |
1460 | *isfile = 0; |
1461 | ||
b34976b6 | 1462 | if (link_info.relocateable && config.build_constructors) |
597e2591 | 1463 | return |
252b5132 | 1464 | EOF |
b34976b6 AM |
1465 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1466 | echo ' ; else if (link_info.relocateable) return' >> e${EMULATION_NAME}.c | |
1467 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c | |
1468 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1469 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1470 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
b34976b6 AM |
1471 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1472 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1473 | fi |
252b5132 | 1474 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1475 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
db6751f2 | 1476 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
b34976b6 | 1477 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1478 | fi |
b34976b6 AM |
1479 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1480 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1481 | fi |
82434356 | 1482 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
b34976b6 AM |
1483 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1484 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1485 | fi |
b34976b6 AM |
1486 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1487 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1488 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1489 | |
1490 | else | |
1491 | # Scripts read from the filesystem. | |
1492 | ||
1493 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1494 | { |
252b5132 RH |
1495 | *isfile = 1; |
1496 | ||
b34976b6 | 1497 | if (link_info.relocateable && config.build_constructors) |
252b5132 | 1498 | return "ldscripts/${EMULATION_NAME}.xu"; |
b34976b6 | 1499 | else if (link_info.relocateable) |
252b5132 RH |
1500 | return "ldscripts/${EMULATION_NAME}.xr"; |
1501 | else if (!config.text_read_only) | |
1502 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
1503 | else if (!config.magic_demand_paged) | |
1504 | return "ldscripts/${EMULATION_NAME}.xn"; | |
1505 | else if (link_info.shared) | |
1506 | return "ldscripts/${EMULATION_NAME}.xs"; | |
1507 | else | |
1508 | return "ldscripts/${EMULATION_NAME}.x"; | |
1509 | } | |
252b5132 | 1510 | |
3b108066 | 1511 | EOF |
41392f03 AM |
1512 | fi |
1513 | fi | |
3b108066 | 1514 | |
41392f03 | 1515 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1516 | |
4b209b22 | 1517 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
3b108066 | 1518 | |
e0ee487b L |
1519 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1520 | cat >>e${EMULATION_NAME}.c <<EOF | |
1521 | $PARSE_AND_LIST_PROLOGUE | |
1522 | EOF | |
1523 | fi | |
1524 | ||
e0ee487b L |
1525 | cat >>e${EMULATION_NAME}.c <<EOF |
1526 | ||
1527 | #include "getopt.h" | |
1528 | ||
6c1439be L |
1529 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1530 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1531 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1532 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
6c1439be | 1533 | |
e0ee487b L |
1534 | static struct option longopts[] = |
1535 | { | |
1536 | EOF | |
e0ee487b L |
1537 | |
1538 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1539 | cat >>e${EMULATION_NAME}.c <<EOF | |
699845ef L |
1540 | /* getopt allows abbreviations, so we do this to stop it from |
1541 | treating -d/-e as abbreviations for these options. */ | |
6c1439be | 1542 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
699845ef L |
1543 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1544 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
6c1439be | 1545 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
65765700 | 1546 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, |
a1ab1d2a UD |
1547 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
1548 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1549 | EOF |
1550 | fi | |
1551 | ||
1552 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1553 | cat >>e${EMULATION_NAME}.c <<EOF | |
1554 | $PARSE_AND_LIST_LONGOPTS | |
1555 | EOF | |
1556 | fi | |
1557 | ||
e0ee487b L |
1558 | cat >>e${EMULATION_NAME}.c <<EOF |
1559 | {NULL, no_argument, NULL, 0} | |
1560 | }; | |
1561 | ||
04925e1e | 1562 | |
4b209b22 | 1563 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
41392f03 | 1564 | |
e0ee487b | 1565 | static int |
4b209b22 | 1566 | gld${EMULATION_NAME}_parse_args (argc, argv) |
e0ee487b L |
1567 | int argc; |
1568 | char ** argv; | |
1569 | { | |
4b209b22 AM |
1570 | int longind; |
1571 | int optc; | |
1572 | static int prevoptind = -1; | |
e0ee487b L |
1573 | int prevopterr = opterr; |
1574 | int wanterror; | |
e0ee487b | 1575 | |
4b209b22 | 1576 | if (prevoptind != optind) |
e0ee487b L |
1577 | opterr = 0; |
1578 | ||
4b209b22 AM |
1579 | wanterror = opterr; |
1580 | prevoptind = optind; | |
1581 | ||
41392f03 AM |
1582 | optc = getopt_long_only (argc, argv, |
1583 | "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, | |
1584 | &longind); | |
e0ee487b L |
1585 | opterr = prevopterr; |
1586 | ||
1587 | switch (optc) | |
1588 | { | |
1589 | default: | |
1590 | if (wanterror) | |
1591 | xexit (1); | |
4b209b22 | 1592 | optind = prevoptind; |
e0ee487b | 1593 | return 0; |
6c1439be | 1594 | |
e0ee487b | 1595 | EOF |
e0ee487b L |
1596 | |
1597 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1598 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1599 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1600 | link_info.new_dtags = FALSE; |
6c1439be L |
1601 | break; |
1602 | ||
1603 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1604 | link_info.new_dtags = TRUE; |
6c1439be L |
1605 | break; |
1606 | ||
65765700 | 1607 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1608 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1609 | break; |
1610 | ||
a1ab1d2a UD |
1611 | case OPTION_GROUP: |
1612 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1613 | /* Groups must be self-contained. */ | |
b34976b6 | 1614 | link_info.no_undefined = TRUE; |
a1ab1d2a UD |
1615 | break; |
1616 | ||
e0ee487b L |
1617 | case 'z': |
1618 | if (strcmp (optarg, "initfirst") == 0) | |
1619 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1620 | else if (strcmp (optarg, "interpose") == 0) | |
1621 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1622 | else if (strcmp (optarg, "loadfltr") == 0) | |
1623 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1624 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1625 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1626 | else if (strcmp (optarg, "nodelete") == 0) | |
1627 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1628 | else if (strcmp (optarg, "nodlopen") == 0) | |
1629 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1630 | else if (strcmp (optarg, "nodump") == 0) | |
1631 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1632 | else if (strcmp (optarg, "now") == 0) | |
1633 | { | |
1634 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1635 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1636 | } | |
1637 | else if (strcmp (optarg, "origin") == 0) | |
1638 | { | |
1639 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1640 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1641 | } | |
a1ab1d2a | 1642 | else if (strcmp (optarg, "defs") == 0) |
b34976b6 | 1643 | link_info.no_undefined = TRUE; |
aa713662 | 1644 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1645 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1646 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1647 | link_info.combreloc = TRUE; |
db6751f2 | 1648 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1649 | link_info.combreloc = FALSE; |
8bd621d8 | 1650 | else if (strcmp (optarg, "nocopyreloc") == 0) |
b34976b6 | 1651 | link_info.nocopyreloc = TRUE; |
e0ee487b | 1652 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1653 | break; |
e0ee487b L |
1654 | EOF |
1655 | fi | |
1656 | ||
1657 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1658 | cat >>e${EMULATION_NAME}.c <<EOF | |
1659 | $PARSE_AND_LIST_ARGS_CASES | |
1660 | EOF | |
1661 | fi | |
1662 | ||
e0ee487b L |
1663 | cat >>e${EMULATION_NAME}.c <<EOF |
1664 | } | |
1665 | ||
1666 | return 1; | |
1667 | } | |
1668 | ||
41392f03 AM |
1669 | EOF |
1670 | fi | |
1671 | ||
4b209b22 | 1672 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1673 | cat >>e${EMULATION_NAME}.c <<EOF |
1674 | ||
4b209b22 | 1675 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
04925e1e | 1676 | |
e0ee487b | 1677 | static void |
4b209b22 | 1678 | gld${EMULATION_NAME}_list_options (file) |
e0ee487b L |
1679 | FILE * file; |
1680 | { | |
1681 | EOF | |
e0ee487b L |
1682 | |
1683 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1684 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1685 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1686 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1687 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1688 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1689 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
a1ab1d2a | 1690 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
f813923c HPN |
1691 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1692 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1693 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1694 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1695 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1696 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1697 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1698 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1699 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1700 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
e0ee487b | 1701 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1702 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
19e3be22 | 1703 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1704 | EOF |
1705 | fi | |
1706 | ||
1707 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1708 | cat >>e${EMULATION_NAME}.c <<EOF | |
1709 | $PARSE_AND_LIST_OPTIONS | |
1710 | EOF | |
1711 | fi | |
1712 | ||
e0ee487b L |
1713 | cat >>e${EMULATION_NAME}.c <<EOF |
1714 | } | |
1715 | EOF | |
e0ee487b L |
1716 | |
1717 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1718 | cat >>e${EMULATION_NAME}.c <<EOF | |
1719 | $PARSE_AND_LIST_EPILOGUE | |
1720 | EOF | |
1721 | fi | |
41392f03 AM |
1722 | fi |
1723 | else | |
4b209b22 | 1724 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
41392f03 | 1725 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1726 | #define gld${EMULATION_NAME}_parse_args NULL |
41392f03 AM |
1727 | EOF |
1728 | fi | |
4b209b22 | 1729 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1730 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1731 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1732 | EOF |
1733 | fi | |
1734 | fi | |
e0ee487b | 1735 | |
252b5132 RH |
1736 | cat >>e${EMULATION_NAME}.c <<EOF |
1737 | ||
60bcf0fa | 1738 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1739 | { |
41392f03 AM |
1740 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1741 | ${LDEMUL_SYSLIB-syslib_default}, | |
1742 | ${LDEMUL_HLL-hll_default}, | |
1743 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1744 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1745 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1746 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1747 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1748 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1749 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1750 | "${EMULATION_NAME}", |
1751 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1752 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1753 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1754 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1755 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1756 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
4b209b22 | 1757 | ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, |
41392f03 | 1758 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1759 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
41392f03 AM |
1760 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
1761 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, | |
fac1652d | 1762 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1763 | }; |
1764 | EOF |