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252b5132 RH |
1 | # This shell script emits a C file. -*- C -*- |
2 | # It does some substitutions. | |
3 | # This file is now misnamed, because it supports both 32 bit and 64 bit | |
4 | # ELF emulations. | |
5 | test -z "${ELFSIZE}" && ELFSIZE=32 | |
86af25fe L |
6 | if [ -z "$MACHINE" ]; then |
7 | OUTPUT_ARCH=${ARCH} | |
8 | else | |
9 | OUTPUT_ARCH=${ARCH}:${MACHINE} | |
10 | fi | |
252b5132 RH |
11 | cat >e${EMULATION_NAME}.c <<EOF |
12 | /* This file is is generated by a shell script. DO NOT EDIT! */ | |
13 | ||
14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} | |
e3dc8847 | 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
9c8ebd6a | 16 | 2002, 2003 Free Software Foundation, Inc. |
252b5132 RH |
17 | Written by Steve Chamberlain <[email protected]> |
18 | ELF support by Ian Lance Taylor <[email protected]> | |
19 | ||
20 | This file is part of GLD, the Gnu Linker. | |
21 | ||
22 | This program is free software; you can redistribute it and/or modify | |
23 | it under the terms of the GNU General Public License as published by | |
24 | the Free Software Foundation; either version 2 of the License, or | |
25 | (at your option) any later version. | |
26 | ||
27 | This program is distributed in the hope that it will be useful, | |
28 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
30 | GNU General Public License for more details. | |
31 | ||
32 | You should have received a copy of the GNU General Public License | |
33 | along with this program; if not, write to the Free Software | |
34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
35 | ||
36 | #define TARGET_IS_${EMULATION_NAME} | |
37 | ||
38 | #include "bfd.h" | |
39 | #include "sysdep.h" | |
1c9acd94 | 40 | #include "libiberty.h" |
3882b010 | 41 | #include "safe-ctype.h" |
fcf65871 | 42 | #include "getopt.h" |
252b5132 RH |
43 | |
44 | #include "bfdlink.h" | |
45 | ||
46 | #include "ld.h" | |
47 | #include "ldmain.h" | |
252b5132 RH |
48 | #include "ldmisc.h" |
49 | #include "ldexp.h" | |
50 | #include "ldlang.h" | |
b71e2778 AM |
51 | #include "ldfile.h" |
52 | #include "ldemul.h" | |
df2a7313 | 53 | #include <ldgram.h> |
e0ee487b | 54 | #include "elf/common.h" |
252b5132 | 55 | |
cde43e70 AM |
56 | static void gld${EMULATION_NAME}_before_parse |
57 | PARAMS ((void)); | |
04925e1e | 58 | static void gld${EMULATION_NAME}_vercheck |
252b5132 RH |
59 | PARAMS ((lang_input_statement_type *)); |
60 | static void gld${EMULATION_NAME}_stat_needed | |
61 | PARAMS ((lang_input_statement_type *)); | |
b34976b6 | 62 | static bfd_boolean gld${EMULATION_NAME}_try_needed |
cde43e70 | 63 | PARAMS ((const char *, int)); |
b34976b6 | 64 | static bfd_boolean gld${EMULATION_NAME}_search_needed |
252b5132 | 65 | PARAMS ((const char *, const char *, int)); |
04925e1e | 66 | static void gld${EMULATION_NAME}_check_needed |
252b5132 | 67 | PARAMS ((lang_input_statement_type *)); |
cde43e70 AM |
68 | static void gld${EMULATION_NAME}_after_open |
69 | PARAMS ((void)); | |
70 | static void gld${EMULATION_NAME}_find_exp_assignment | |
71 | PARAMS ((etree_type *)); | |
252b5132 RH |
72 | static void gld${EMULATION_NAME}_find_statement_assignment |
73 | PARAMS ((lang_statement_union_type *)); | |
cde43e70 AM |
74 | static void gld${EMULATION_NAME}_before_allocation |
75 | PARAMS ((void)); | |
b34976b6 | 76 | static bfd_boolean gld${EMULATION_NAME}_open_dynamic_archive |
04925e1e | 77 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); |
cde43e70 | 78 | static lang_output_section_statement_type *output_rel_find |
24cdb50a | 79 | PARAMS ((asection *)); |
73810896 AM |
80 | static asection *output_prev_sec_find |
81 | PARAMS ((lang_output_section_statement_type *)); | |
b34976b6 | 82 | static bfd_boolean gld${EMULATION_NAME}_place_orphan |
252b5132 | 83 | PARAMS ((lang_input_statement_type *, asection *)); |
73d074b4 DJ |
84 | static void gld${EMULATION_NAME}_finish |
85 | PARAMS ((void)); | |
cde43e70 AM |
86 | static char *gld${EMULATION_NAME}_get_script |
87 | PARAMS ((int *isfile)); | |
252b5132 | 88 | |
41392f03 AM |
89 | EOF |
90 | ||
91 | # Import any needed special functions and/or overrides. | |
92 | # | |
93 | if test -n "$EXTRA_EM_FILE" ; then | |
94 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em | |
95 | fi | |
96 | ||
f813923c | 97 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
41392f03 AM |
98 | # variables. If the name of the overriding function is the same as is |
99 | # defined in this file, then don't output this file's version. | |
100 | # If a different overriding name is given then output the standard function | |
101 | # as presumably it is called from the overriding function. | |
102 | # | |
103 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then | |
104 | cat >>e${EMULATION_NAME}.c <<EOF | |
105 | ||
252b5132 | 106 | static void |
41392f03 | 107 | gld${EMULATION_NAME}_before_parse () |
252b5132 | 108 | { |
86af25fe L |
109 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
110 | if (arch) | |
111 | { | |
112 | ldfile_output_architecture = arch->arch; | |
113 | ldfile_output_machine = arch->mach; | |
114 | ldfile_output_machine_name = arch->printable_name; | |
115 | } | |
116 | else | |
117 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; | |
b34976b6 AM |
118 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
119 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
120 | } |
121 | ||
41392f03 AM |
122 | EOF |
123 | fi | |
124 | ||
125 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
126 | |
127 | /* These variables are required to pass information back and forth | |
128 | between after_open and check_needed and stat_needed and vercheck. */ | |
129 | ||
130 | static struct bfd_link_needed_list *global_needed; | |
131 | static struct stat global_stat; | |
b34976b6 | 132 | static bfd_boolean global_found; |
252b5132 | 133 | static struct bfd_link_needed_list *global_vercheck_needed; |
b34976b6 | 134 | static bfd_boolean global_vercheck_failed; |
252b5132 | 135 | |
252b5132 | 136 | |
04925e1e AM |
137 | /* On Linux, it's possible to have different versions of the same |
138 | shared library linked against different versions of libc. The | |
139 | dynamic linker somehow tags which libc version to use in | |
140 | /etc/ld.so.cache, and, based on the libc that it sees in the | |
141 | executable, chooses which version of the shared library to use. | |
252b5132 | 142 | |
04925e1e AM |
143 | We try to do a similar check here by checking whether this shared |
144 | library needs any other shared libraries which may conflict with | |
145 | libraries we have already included in the link. If it does, we | |
146 | skip it, and try to find another shared library farther on down the | |
147 | link path. | |
252b5132 | 148 | |
04925e1e AM |
149 | This is called via lang_for_each_input_file. |
150 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object | |
f813923c | 151 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
04925e1e | 152 | a conflicting version. */ |
252b5132 | 153 | |
04925e1e AM |
154 | static void |
155 | gld${EMULATION_NAME}_vercheck (s) | |
156 | lang_input_statement_type *s; | |
157 | { | |
1c9acd94 | 158 | const char *soname; |
04925e1e | 159 | struct bfd_link_needed_list *l; |
252b5132 | 160 | |
04925e1e AM |
161 | if (global_vercheck_failed) |
162 | return; | |
163 | if (s->the_bfd == NULL | |
164 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) | |
165 | return; | |
252b5132 | 166 | |
04925e1e AM |
167 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
168 | if (soname == NULL) | |
fed2999d | 169 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
04925e1e AM |
170 | |
171 | for (l = global_vercheck_needed; l != NULL; l = l->next) | |
172 | { | |
173 | const char *suffix; | |
174 | ||
1c9acd94 | 175 | if (strcmp (soname, l->name) == 0) |
04925e1e AM |
176 | { |
177 | /* Probably can't happen, but it's an easy check. */ | |
178 | continue; | |
252b5132 RH |
179 | } |
180 | ||
04925e1e | 181 | if (strchr (l->name, '/') != NULL) |
252b5132 RH |
182 | continue; |
183 | ||
04925e1e AM |
184 | suffix = strstr (l->name, ".so."); |
185 | if (suffix == NULL) | |
186 | continue; | |
187 | ||
188 | suffix += sizeof ".so." - 1; | |
189 | ||
1c9acd94 | 190 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
04925e1e AM |
191 | { |
192 | /* Here we know that S is a dynamic object FOO.SO.VER1, and | |
193 | the object we are considering needs a dynamic object | |
194 | FOO.SO.VER2, and VER1 and VER2 are different. This | |
195 | appears to be a version mismatch, so we tell the caller | |
196 | to try a different version of this library. */ | |
b34976b6 | 197 | global_vercheck_failed = TRUE; |
04925e1e AM |
198 | return; |
199 | } | |
252b5132 RH |
200 | } |
201 | } | |
202 | ||
252b5132 | 203 | |
04925e1e AM |
204 | /* See if an input file matches a DT_NEEDED entry by running stat on |
205 | the file. */ | |
206 | ||
207 | static void | |
208 | gld${EMULATION_NAME}_stat_needed (s) | |
209 | lang_input_statement_type *s; | |
252b5132 | 210 | { |
04925e1e AM |
211 | struct stat st; |
212 | const char *suffix; | |
213 | const char *soname; | |
252b5132 | 214 | |
04925e1e AM |
215 | if (global_found) |
216 | return; | |
217 | if (s->the_bfd == NULL) | |
218 | return; | |
219 | ||
220 | if (bfd_stat (s->the_bfd, &st) != 0) | |
252b5132 | 221 | { |
04925e1e AM |
222 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
223 | return; | |
224 | } | |
252b5132 | 225 | |
04925e1e AM |
226 | if (st.st_dev == global_stat.st_dev |
227 | && st.st_ino == global_stat.st_ino) | |
228 | { | |
b34976b6 | 229 | global_found = TRUE; |
04925e1e AM |
230 | return; |
231 | } | |
252b5132 | 232 | |
04925e1e AM |
233 | /* We issue a warning if it looks like we are including two |
234 | different versions of the same shared library. For example, | |
235 | there may be a problem if -lc picks up libc.so.6 but some other | |
236 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
f813923c | 237 | heuristic test, and it will only work if the name looks like |
04925e1e AM |
238 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
239 | If we really want to issue warnings about mixing version numbers | |
240 | of shared libraries, we need to find a better way. */ | |
252b5132 | 241 | |
04925e1e AM |
242 | if (strchr (global_needed->name, '/') != NULL) |
243 | return; | |
244 | suffix = strstr (global_needed->name, ".so."); | |
245 | if (suffix == NULL) | |
246 | return; | |
247 | suffix += sizeof ".so." - 1; | |
252b5132 | 248 | |
04925e1e AM |
249 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
250 | if (soname == NULL) | |
fed2999d | 251 | soname = lbasename (s->filename); |
252b5132 | 252 | |
cde43e70 | 253 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
04925e1e | 254 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
1c9acd94 | 255 | global_needed->name, global_needed->by, soname); |
252b5132 RH |
256 | } |
257 | ||
04925e1e | 258 | |
252b5132 RH |
259 | /* This function is called for each possible name for a dynamic object |
260 | named by a DT_NEEDED entry. The FORCE parameter indicates whether | |
261 | to skip the check for a conflicting version. */ | |
262 | ||
b34976b6 | 263 | static bfd_boolean |
252b5132 RH |
264 | gld${EMULATION_NAME}_try_needed (name, force) |
265 | const char *name; | |
266 | int force; | |
267 | { | |
268 | bfd *abfd; | |
ec4eb78a | 269 | const char *soname; |
252b5132 RH |
270 | |
271 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
272 | if (abfd == NULL) | |
b34976b6 | 273 | return FALSE; |
252b5132 RH |
274 | if (! bfd_check_format (abfd, bfd_object)) |
275 | { | |
cde43e70 | 276 | bfd_close (abfd); |
b34976b6 | 277 | return FALSE; |
252b5132 RH |
278 | } |
279 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
280 | { | |
cde43e70 | 281 | bfd_close (abfd); |
b34976b6 | 282 | return FALSE; |
252b5132 RH |
283 | } |
284 | ||
c4bb8067 L |
285 | /* For DT_NEEDED, they have to match. */ |
286 | if (abfd->xvec != output_bfd->xvec) | |
287 | { | |
288 | bfd_close (abfd); | |
b34976b6 | 289 | return FALSE; |
c4bb8067 L |
290 | } |
291 | ||
252b5132 RH |
292 | /* Check whether this object would include any conflicting library |
293 | versions. If FORCE is set, then we skip this check; we use this | |
294 | the second time around, if we couldn't find any compatible | |
295 | instance of the shared library. */ | |
296 | ||
297 | if (! force) | |
298 | { | |
299 | struct bfd_link_needed_list *needed; | |
300 | ||
301 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) | |
302 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); | |
303 | ||
304 | if (needed != NULL) | |
305 | { | |
306 | global_vercheck_needed = needed; | |
b34976b6 | 307 | global_vercheck_failed = FALSE; |
252b5132 RH |
308 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
309 | if (global_vercheck_failed) | |
310 | { | |
cde43e70 | 311 | bfd_close (abfd); |
b34976b6 | 312 | /* Return FALSE to force the caller to move on to try |
252b5132 | 313 | another file on the search path. */ |
b34976b6 | 314 | return FALSE; |
252b5132 RH |
315 | } |
316 | ||
317 | /* But wait! It gets much worse. On Linux, if a shared | |
318 | library does not use libc at all, we are supposed to skip | |
319 | it the first time around in case we encounter a shared | |
320 | library later on with the same name which does use the | |
321 | version of libc that we want. This is much too horrible | |
322 | to use on any system other than Linux. */ | |
323 | ||
324 | EOF | |
325 | case ${target} in | |
326 | *-*-linux-gnu*) | |
327 | cat >>e${EMULATION_NAME}.c <<EOF | |
328 | { | |
329 | struct bfd_link_needed_list *l; | |
330 | ||
331 | for (l = needed; l != NULL; l = l->next) | |
332 | if (strncmp (l->name, "libc.so", 7) == 0) | |
333 | break; | |
334 | if (l == NULL) | |
335 | { | |
cde43e70 | 336 | bfd_close (abfd); |
b34976b6 | 337 | return FALSE; |
252b5132 RH |
338 | } |
339 | } | |
340 | ||
341 | EOF | |
342 | ;; | |
343 | esac | |
344 | cat >>e${EMULATION_NAME}.c <<EOF | |
345 | } | |
346 | } | |
347 | ||
348 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
349 | ||
04925e1e AM |
350 | /* We have already checked that there is no other input file of the |
351 | same name. We must now check again that we are not including the | |
352 | same file twice. We need to do this because on many systems | |
353 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
354 | reference libc.so.1. If we have already included libc.so, we | |
355 | don't want to include libc.so.1 if they are the same file, and we | |
356 | can only check that using stat. */ | |
357 | ||
358 | if (bfd_stat (abfd, &global_stat) != 0) | |
359 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); | |
ec4eb78a L |
360 | |
361 | /* First strip off everything before the last '/'. */ | |
fed2999d | 362 | soname = lbasename (abfd->filename); |
ec4eb78a L |
363 | |
364 | if (trace_file_tries) | |
365 | info_msg (_("found %s at %s\n"), soname, name); | |
366 | ||
b34976b6 | 367 | global_found = FALSE; |
04925e1e AM |
368 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
369 | if (global_found) | |
370 | { | |
b34976b6 | 371 | /* Return TRUE to indicate that we found the file, even though |
04925e1e | 372 | we aren't going to do anything with it. */ |
b34976b6 | 373 | return TRUE; |
04925e1e AM |
374 | } |
375 | ||
41392f03 | 376 | /* Tell the ELF backend that we don't want the output file to have a |
04925e1e AM |
377 | DT_NEEDED entry for this file. */ |
378 | bfd_elf_set_dt_needed_name (abfd, ""); | |
379 | ||
04925e1e AM |
380 | /* Tell the ELF backend that the output file needs a DT_NEEDED |
381 | entry for this file if it is used to resolve the reference in | |
382 | a regular object. */ | |
ec4eb78a | 383 | bfd_elf_set_dt_needed_soname (abfd, soname); |
04925e1e AM |
384 | |
385 | /* Add this file into the symbol table. */ | |
386 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
387 | einfo ("%F%B: could not read symbols: %E\n", abfd); | |
388 | ||
b34976b6 | 389 | return TRUE; |
04925e1e AM |
390 | } |
391 | ||
392 | ||
393 | /* Search for a needed file in a path. */ | |
394 | ||
b34976b6 | 395 | static bfd_boolean |
04925e1e AM |
396 | gld${EMULATION_NAME}_search_needed (path, name, force) |
397 | const char *path; | |
398 | const char *name; | |
399 | int force; | |
400 | { | |
401 | const char *s; | |
402 | size_t len; | |
403 | ||
cc5ce052 UD |
404 | if (name[0] == '/') |
405 | return gld${EMULATION_NAME}_try_needed (name, force); | |
406 | ||
04925e1e | 407 | if (path == NULL || *path == '\0') |
b34976b6 | 408 | return FALSE; |
04925e1e AM |
409 | len = strlen (name); |
410 | while (1) | |
411 | { | |
412 | char *filename, *sset; | |
413 | ||
414 | s = strchr (path, ':'); | |
415 | if (s == NULL) | |
416 | s = path + strlen (path); | |
417 | ||
418 | filename = (char *) xmalloc (s - path + len + 2); | |
419 | if (s == path) | |
420 | sset = filename; | |
421 | else | |
422 | { | |
423 | memcpy (filename, path, s - path); | |
424 | filename[s - path] = '/'; | |
425 | sset = filename + (s - path) + 1; | |
426 | } | |
427 | strcpy (sset, name); | |
428 | ||
429 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
b34976b6 | 430 | return TRUE; |
04925e1e AM |
431 | |
432 | free (filename); | |
433 | ||
434 | if (*s == '\0') | |
435 | break; | |
436 | path = s + 1; | |
437 | } | |
438 | ||
b34976b6 | 439 | return FALSE; |
04925e1e AM |
440 | } |
441 | ||
442 | EOF | |
9c8ebd6a | 443 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
3dc16cab | 444 | cat >>e${EMULATION_NAME}.c <<EOF |
9c8ebd6a DJ |
445 | |
446 | /* Add the sysroot to every entry in a colon-separated path. */ | |
447 | ||
3bcf5557 AM |
448 | static char * gld${EMULATION_NAME}_add_sysroot PARAMS ((const char *)); |
449 | ||
9c8ebd6a DJ |
450 | static char * |
451 | gld${EMULATION_NAME}_add_sysroot (path) | |
452 | const char *path; | |
453 | { | |
454 | int len, colons, i; | |
455 | char *ret, *p; | |
456 | ||
457 | len = strlen (path); | |
458 | colons = 0; | |
459 | i = 0; | |
460 | while (path[i]) | |
461 | if (path[i++] == ':') | |
462 | colons++; | |
463 | ||
464 | if (path[i]) | |
465 | colons++; | |
466 | ||
42644a89 | 467 | len = len + (colons + 1) * strlen (ld_sysroot); |
9c8ebd6a DJ |
468 | ret = xmalloc (len + 1); |
469 | strcpy (ret, ld_sysroot); | |
470 | p = ret + strlen (ret); | |
471 | i = 0; | |
472 | while (path[i]) | |
473 | if (path[i] == ':') | |
474 | { | |
ae42d3a9 | 475 | *p++ = path[i++]; |
9c8ebd6a DJ |
476 | strcpy (p, ld_sysroot); |
477 | p = p + strlen (p); | |
9c8ebd6a DJ |
478 | } |
479 | else | |
480 | *p++ = path[i++]; | |
481 | ||
482 | *p = 0; | |
483 | return ret; | |
484 | } | |
04925e1e | 485 | |
3dc16cab DJ |
486 | EOF |
487 | case ${target} in | |
488 | *-*-linux-gnu*) | |
489 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
490 | /* For a native linker, check the file /etc/ld.so.conf for directories |
491 | in which we may find shared libraries. /etc/ld.so.conf is really | |
482e8b32 | 492 | only meaningful on Linux. */ |
04925e1e | 493 | |
b34976b6 | 494 | static bfd_boolean gld${EMULATION_NAME}_check_ld_so_conf |
04925e1e AM |
495 | PARAMS ((const char *, int)); |
496 | ||
b34976b6 | 497 | static bfd_boolean |
04925e1e AM |
498 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) |
499 | const char *name; | |
500 | int force; | |
501 | { | |
b34976b6 | 502 | static bfd_boolean initialized; |
04925e1e AM |
503 | static char *ld_so_conf; |
504 | ||
505 | if (! initialized) | |
506 | { | |
507 | FILE *f; | |
9c8ebd6a | 508 | char *tmppath; |
04925e1e | 509 | |
9c8ebd6a DJ |
510 | tmppath = concat (ld_sysroot, "/etc/ld.so.conf", NULL); |
511 | f = fopen (tmppath, FOPEN_RT); | |
512 | free (tmppath); | |
04925e1e AM |
513 | if (f != NULL) |
514 | { | |
515 | char *b; | |
516 | size_t len, alloc; | |
517 | int c; | |
518 | ||
519 | len = 0; | |
520 | alloc = 100; | |
521 | b = (char *) xmalloc (alloc); | |
522 | ||
523 | while ((c = getc (f)) != EOF) | |
524 | { | |
525 | if (len + 1 >= alloc) | |
526 | { | |
527 | alloc *= 2; | |
528 | b = (char *) xrealloc (b, alloc); | |
529 | } | |
530 | if (c != ':' | |
531 | && c != ' ' | |
532 | && c != '\t' | |
533 | && c != '\n' | |
534 | && c != ',') | |
535 | { | |
536 | b[len] = c; | |
537 | ++len; | |
538 | } | |
539 | else | |
540 | { | |
541 | if (len > 0 && b[len - 1] != ':') | |
542 | { | |
543 | b[len] = ':'; | |
544 | ++len; | |
545 | } | |
546 | } | |
547 | } | |
548 | ||
549 | if (len > 0 && b[len - 1] == ':') | |
550 | --len; | |
252b5132 | 551 | |
04925e1e AM |
552 | if (len > 0) |
553 | b[len] = '\0'; | |
554 | else | |
555 | { | |
556 | free (b); | |
557 | b = NULL; | |
558 | } | |
252b5132 | 559 | |
04925e1e | 560 | fclose (f); |
252b5132 | 561 | |
9c8ebd6a DJ |
562 | if (b) |
563 | { | |
564 | char *d = gld${EMULATION_NAME}_add_sysroot (b); | |
565 | free (b); | |
566 | b = d; | |
567 | } | |
568 | ||
04925e1e AM |
569 | ld_so_conf = b; |
570 | } | |
49e56c49 | 571 | |
b34976b6 | 572 | initialized = TRUE; |
04925e1e | 573 | } |
49e56c49 | 574 | |
04925e1e | 575 | if (ld_so_conf == NULL) |
b34976b6 | 576 | return FALSE; |
252b5132 | 577 | |
04925e1e | 578 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
252b5132 RH |
579 | } |
580 | ||
04925e1e | 581 | EOF |
9c8ebd6a DJ |
582 | # Linux |
583 | ;; | |
04925e1e AM |
584 | esac |
585 | fi | |
586 | cat >>e${EMULATION_NAME}.c <<EOF | |
587 | ||
252b5132 RH |
588 | /* See if an input file matches a DT_NEEDED entry by name. */ |
589 | ||
590 | static void | |
591 | gld${EMULATION_NAME}_check_needed (s) | |
592 | lang_input_statement_type *s; | |
593 | { | |
594 | if (global_found) | |
595 | return; | |
596 | ||
577a0623 | 597 | if (s->filename != NULL) |
252b5132 | 598 | { |
577a0623 AM |
599 | const char *f; |
600 | ||
601 | if (strcmp (s->filename, global_needed->name) == 0) | |
602 | { | |
b34976b6 | 603 | global_found = TRUE; |
577a0623 AM |
604 | return; |
605 | } | |
606 | ||
607 | if (s->search_dirs_flag) | |
608 | { | |
609 | f = strrchr (s->filename, '/'); | |
610 | if (f != NULL | |
611 | && strcmp (f + 1, global_needed->name) == 0) | |
612 | { | |
b34976b6 | 613 | global_found = TRUE; |
577a0623 AM |
614 | return; |
615 | } | |
616 | } | |
252b5132 RH |
617 | } |
618 | ||
619 | if (s->the_bfd != NULL) | |
620 | { | |
621 | const char *soname; | |
622 | ||
623 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
624 | if (soname != NULL | |
625 | && strcmp (soname, global_needed->name) == 0) | |
626 | { | |
b34976b6 | 627 | global_found = TRUE; |
252b5132 RH |
628 | return; |
629 | } | |
630 | } | |
252b5132 RH |
631 | } |
632 | ||
41392f03 AM |
633 | EOF |
634 | ||
635 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then | |
636 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
637 | |
638 | /* This is called after all the input files have been opened. */ | |
252b5132 RH |
639 | |
640 | static void | |
04925e1e | 641 | gld${EMULATION_NAME}_after_open () |
252b5132 | 642 | { |
04925e1e | 643 | struct bfd_link_needed_list *needed, *l; |
252b5132 | 644 | |
04925e1e | 645 | /* We only need to worry about this when doing a final link. */ |
1049f94e | 646 | if (link_info.relocatable || !link_info.executable) |
252b5132 RH |
647 | return; |
648 | ||
04925e1e AM |
649 | /* Get the list of files which appear in DT_NEEDED entries in |
650 | dynamic objects included in the link (often there will be none). | |
651 | For each such file, we want to track down the corresponding | |
652 | library, and include the symbol table in the link. This is what | |
653 | the runtime dynamic linker will do. Tracking the files down here | |
654 | permits one dynamic object to include another without requiring | |
655 | special action by the person doing the link. Note that the | |
656 | needed list can actually grow while we are stepping through this | |
657 | loop. */ | |
658 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
659 | for (l = needed; l != NULL; l = l->next) | |
252b5132 | 660 | { |
04925e1e AM |
661 | struct bfd_link_needed_list *ll; |
662 | int force; | |
252b5132 | 663 | |
04925e1e AM |
664 | /* If we've already seen this file, skip it. */ |
665 | for (ll = needed; ll != l; ll = ll->next) | |
666 | if (strcmp (ll->name, l->name) == 0) | |
667 | break; | |
668 | if (ll != l) | |
669 | continue; | |
252b5132 | 670 | |
04925e1e AM |
671 | /* See if this file was included in the link explicitly. */ |
672 | global_needed = l; | |
b34976b6 | 673 | global_found = FALSE; |
04925e1e AM |
674 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
675 | if (global_found) | |
676 | continue; | |
252b5132 | 677 | |
ec4eb78a L |
678 | if (trace_file_tries) |
679 | info_msg (_("%s needed by %B\n"), l->name, l->by); | |
680 | ||
04925e1e AM |
681 | /* We need to find this file and include the symbol table. We |
682 | want to search for the file in the same way that the dynamic | |
683 | linker will search. That means that we want to use | |
684 | rpath_link, rpath, then the environment variable | |
ec4eb78a L |
685 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
686 | entries (native only), then the linker script LIB_SEARCH_DIRS. | |
687 | We do not search using the -L arguments. | |
252b5132 | 688 | |
04925e1e AM |
689 | We search twice. The first time, we skip objects which may |
690 | introduce version mismatches. The second time, we force | |
691 | their use. See gld${EMULATION_NAME}_vercheck comment. */ | |
692 | for (force = 0; force < 2; force++) | |
693 | { | |
04925e1e AM |
694 | size_t len; |
695 | search_dirs_type *search; | |
6dd8c765 | 696 | EOF |
9c8ebd6a | 697 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
6dd8c765 | 698 | cat >>e${EMULATION_NAME}.c <<EOF |
dcb0bd0e | 699 | const char *lib_path; |
6dd8c765 L |
700 | struct bfd_link_needed_list *rp; |
701 | int found; | |
702 | EOF | |
6dd8c765 L |
703 | fi |
704 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 705 | |
04925e1e AM |
706 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
707 | l->name, force)) | |
708 | break; | |
dcb0bd0e | 709 | EOF |
9c8ebd6a | 710 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
dcb0bd0e | 711 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e AM |
712 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
713 | l->name, force)) | |
714 | break; | |
9c8ebd6a DJ |
715 | EOF |
716 | fi | |
717 | if [ "x${NATIVE}" = xyes ] ; then | |
718 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
719 | if (command_line.rpath_link == NULL |
720 | && command_line.rpath == NULL) | |
721 | { | |
722 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
723 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, | |
724 | force)) | |
725 | break; | |
726 | } | |
04925e1e AM |
727 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
728 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) | |
729 | break; | |
9c8ebd6a DJ |
730 | EOF |
731 | fi | |
732 | if [ "x${USE_LIBPATH}" = xyes ] ; then | |
733 | cat >>e${EMULATION_NAME}.c <<EOF | |
ec4eb78a | 734 | found = 0; |
6dd8c765 L |
735 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
736 | for (; !found && rp != NULL; rp = rp->next) | |
ec4eb78a | 737 | { |
9c8ebd6a | 738 | char *tmpname = gld${EMULATION_NAME}_add_sysroot (rp->name); |
ec4eb78a | 739 | found = (rp->by == l->by |
9c8ebd6a | 740 | && gld${EMULATION_NAME}_search_needed (tmpname, |
ec4eb78a L |
741 | l->name, |
742 | force)); | |
9c8ebd6a | 743 | free (tmpname); |
ec4eb78a L |
744 | } |
745 | if (found) | |
746 | break; | |
747 | ||
04925e1e | 748 | EOF |
04925e1e AM |
749 | fi |
750 | cat >>e${EMULATION_NAME}.c <<EOF | |
751 | len = strlen (l->name); | |
752 | for (search = search_head; search != NULL; search = search->next) | |
753 | { | |
754 | char *filename; | |
252b5132 | 755 | |
04925e1e AM |
756 | if (search->cmdline) |
757 | continue; | |
758 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
759 | sprintf (filename, "%s/%s", search->name, l->name); | |
760 | if (gld${EMULATION_NAME}_try_needed (filename, force)) | |
761 | break; | |
762 | free (filename); | |
763 | } | |
764 | if (search != NULL) | |
765 | break; | |
766 | EOF | |
9c8ebd6a DJ |
767 | if [ "x${USE_LIBPATH}" = xyes ] ; then |
768 | case ${target} in | |
769 | *-*-linux-gnu*) | |
770 | cat >>e${EMULATION_NAME}.c <<EOF | |
04925e1e AM |
771 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
772 | break; | |
773 | EOF | |
9c8ebd6a DJ |
774 | # Linux |
775 | ;; | |
04925e1e AM |
776 | esac |
777 | fi | |
778 | cat >>e${EMULATION_NAME}.c <<EOF | |
779 | } | |
252b5132 | 780 | |
04925e1e AM |
781 | if (force < 2) |
782 | continue; | |
252b5132 | 783 | |
e374f1d9 | 784 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
04925e1e AM |
785 | l->name, l->by); |
786 | } | |
787 | } | |
252b5132 | 788 | |
41392f03 AM |
789 | EOF |
790 | fi | |
791 | ||
792 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 793 | |
04925e1e | 794 | /* Look through an expression for an assignment statement. */ |
252b5132 | 795 | |
04925e1e AM |
796 | static void |
797 | gld${EMULATION_NAME}_find_exp_assignment (exp) | |
798 | etree_type *exp; | |
799 | { | |
800 | struct bfd_link_hash_entry *h; | |
801 | ||
802 | switch (exp->type.node_class) | |
252b5132 | 803 | { |
04925e1e AM |
804 | case etree_provide: |
805 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, | |
b34976b6 | 806 | FALSE, FALSE, FALSE); |
04925e1e AM |
807 | if (h == NULL) |
808 | break; | |
252b5132 | 809 | |
04925e1e AM |
810 | /* We call record_link_assignment even if the symbol is defined. |
811 | This is because if it is defined by a dynamic object, we | |
812 | actually want to use the value defined by the linker script, | |
813 | not the value from the dynamic object (because we are setting | |
814 | symbols like etext). If the symbol is defined by a regular | |
815 | object, then, as it happens, calling record_link_assignment | |
816 | will do no harm. */ | |
817 | ||
818 | /* Fall through. */ | |
819 | case etree_assign: | |
820 | if (strcmp (exp->assign.dst, ".") != 0) | |
252b5132 | 821 | { |
efdffbe2 | 822 | if (! (bfd_elf_record_link_assignment |
04925e1e | 823 | (output_bfd, &link_info, exp->assign.dst, |
b34976b6 | 824 | exp->type.node_class == etree_provide ? TRUE : FALSE))) |
04925e1e AM |
825 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
826 | exp->assign.dst); | |
252b5132 | 827 | } |
04925e1e AM |
828 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
829 | break; | |
252b5132 | 830 | |
04925e1e AM |
831 | case etree_binary: |
832 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); | |
833 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); | |
834 | break; | |
252b5132 | 835 | |
04925e1e AM |
836 | case etree_trinary: |
837 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); | |
838 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); | |
839 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); | |
840 | break; | |
252b5132 | 841 | |
04925e1e AM |
842 | case etree_unary: |
843 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); | |
844 | break; | |
252b5132 | 845 | |
04925e1e AM |
846 | default: |
847 | break; | |
252b5132 RH |
848 | } |
849 | } | |
850 | ||
04925e1e AM |
851 | |
852 | /* This is called by the before_allocation routine via | |
853 | lang_for_each_statement. It locates any assignment statements, and | |
854 | tells the ELF backend about them, in case they are assignments to | |
855 | symbols which are referred to by dynamic objects. */ | |
856 | ||
857 | static void | |
858 | gld${EMULATION_NAME}_find_statement_assignment (s) | |
859 | lang_statement_union_type *s; | |
860 | { | |
861 | if (s->header.type == lang_assignment_statement_enum) | |
862 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); | |
863 | } | |
864 | ||
41392f03 AM |
865 | EOF |
866 | ||
867 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then | |
57e6abd2 AO |
868 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
869 | ELF_INTERPRETER_SET_DEFAULT=" | |
870 | if (sinterp != NULL) | |
871 | { | |
872 | sinterp->contents = ${ELF_INTERPRETER_NAME}; | |
873 | sinterp->_raw_size = strlen (sinterp->contents) + 1; | |
874 | } | |
875 | ||
876 | " | |
877 | else | |
878 | ELF_INTERPRETER_SET_DEFAULT= | |
879 | fi | |
41392f03 | 880 | cat >>e${EMULATION_NAME}.c <<EOF |
04925e1e | 881 | |
252b5132 RH |
882 | /* This is called after the sections have been attached to output |
883 | sections, but before any sizes or addresses have been set. */ | |
884 | ||
885 | static void | |
886 | gld${EMULATION_NAME}_before_allocation () | |
887 | { | |
888 | const char *rpath; | |
889 | asection *sinterp; | |
890 | ||
891 | /* If we are going to make any variable assignments, we need to let | |
892 | the ELF backend know about them in case the variables are | |
893 | referred to by dynamic objects. */ | |
894 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); | |
895 | ||
896 | /* Let the ELF backend work out the sizes of any sections required | |
897 | by dynamic linking. */ | |
898 | rpath = command_line.rpath; | |
899 | if (rpath == NULL) | |
900 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
901 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections | |
902 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 903 | command_line.filter_shlib, |
252b5132 RH |
904 | (const char * const *) command_line.auxiliary_filters, |
905 | &link_info, &sinterp, lang_elf_version_info))) | |
906 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); | |
57e6abd2 | 907 | ${ELF_INTERPRETER_SET_DEFAULT} |
252b5132 RH |
908 | /* Let the user override the dynamic linker we are using. */ |
909 | if (command_line.interpreter != NULL | |
910 | && sinterp != NULL) | |
911 | { | |
912 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
913 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
914 | } | |
915 | ||
916 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
917 | we treat such sections as containing warning messages. We print | |
918 | out the warning message, and then zero out the section size so | |
919 | that it does not get copied into the output file. */ | |
920 | ||
921 | { | |
922 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
923 | { | |
924 | asection *s; | |
925 | bfd_size_type sz; | |
926 | char *msg; | |
b34976b6 | 927 | bfd_boolean ret; |
252b5132 RH |
928 | |
929 | if (is->just_syms_flag) | |
930 | continue; | |
931 | ||
932 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
933 | if (s == NULL) | |
934 | continue; | |
935 | ||
936 | sz = bfd_section_size (is->the_bfd, s); | |
937 | msg = xmalloc ((size_t) sz + 1); | |
938 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
939 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", | |
940 | is->the_bfd); | |
941 | msg[sz] = '\0'; | |
942 | ret = link_info.callbacks->warning (&link_info, msg, | |
943 | (const char *) NULL, | |
944 | is->the_bfd, (asection *) NULL, | |
945 | (bfd_vma) 0); | |
946 | ASSERT (ret); | |
947 | free (msg); | |
948 | ||
949 | /* Clobber the section size, so that we don't waste copying the | |
950 | warning into the output file. */ | |
951 | s->_raw_size = 0; | |
952 | } | |
953 | } | |
954 | } | |
955 | ||
41392f03 AM |
956 | EOF |
957 | fi | |
958 | ||
959 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then | |
960 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 961 | |
04925e1e AM |
962 | /* Try to open a dynamic archive. This is where we know that ELF |
963 | dynamic libraries have an extension of .so (or .sl on oddball systems | |
964 | like hpux). */ | |
965 | ||
b34976b6 | 966 | static bfd_boolean |
04925e1e AM |
967 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) |
968 | const char *arch; | |
969 | search_dirs_type *search; | |
970 | lang_input_statement_type *entry; | |
252b5132 | 971 | { |
04925e1e AM |
972 | const char *filename; |
973 | char *string; | |
252b5132 | 974 | |
04925e1e | 975 | if (! entry->is_archive) |
b34976b6 | 976 | return FALSE; |
252b5132 | 977 | |
04925e1e | 978 | filename = entry->filename; |
252b5132 | 979 | |
04925e1e AM |
980 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
981 | is defined, but it does not seem worth the headache to optimize | |
982 | away those two bytes of space. */ | |
983 | string = (char *) xmalloc (strlen (search->name) | |
984 | + strlen (filename) | |
985 | + strlen (arch) | |
986 | #ifdef EXTRA_SHLIB_EXTENSION | |
987 | + strlen (EXTRA_SHLIB_EXTENSION) | |
988 | #endif | |
989 | + sizeof "/lib.so"); | |
990 | ||
991 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
992 | ||
993 | #ifdef EXTRA_SHLIB_EXTENSION | |
994 | /* Try the .so extension first. If that fails build a new filename | |
995 | using EXTRA_SHLIB_EXTENSION. */ | |
996 | if (! ldfile_try_open_bfd (string, entry)) | |
997 | sprintf (string, "%s/lib%s%s%s", search->name, | |
998 | filename, arch, EXTRA_SHLIB_EXTENSION); | |
999 | #endif | |
1000 | ||
1001 | if (! ldfile_try_open_bfd (string, entry)) | |
252b5132 | 1002 | { |
04925e1e | 1003 | free (string); |
b34976b6 | 1004 | return FALSE; |
04925e1e | 1005 | } |
252b5132 | 1006 | |
04925e1e | 1007 | entry->filename = string; |
252b5132 | 1008 | |
04925e1e AM |
1009 | /* We have found a dynamic object to include in the link. The ELF |
1010 | backend linker will create a DT_NEEDED entry in the .dynamic | |
1011 | section naming this file. If this file includes a DT_SONAME | |
1012 | entry, it will be used. Otherwise, the ELF linker will just use | |
1013 | the name of the file. For an archive found by searching, like | |
1014 | this one, the DT_NEEDED entry should consist of just the name of | |
1015 | the file, without the path information used to find it. Note | |
1016 | that we only need to do this if we have a dynamic object; an | |
1017 | archive will never be referenced by a DT_NEEDED entry. | |
252b5132 | 1018 | |
04925e1e AM |
1019 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
1020 | very pretty. I haven't been able to think of anything that is | |
1021 | pretty, though. */ | |
1022 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
1023 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
1024 | { | |
04925e1e | 1025 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
252b5132 | 1026 | |
04925e1e | 1027 | /* Rather than duplicating the logic above. Just use the |
1c9acd94 | 1028 | filename we recorded earlier. */ |
04925e1e | 1029 | |
fed2999d | 1030 | filename = lbasename (entry->filename); |
1c9acd94 | 1031 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
04925e1e AM |
1032 | } |
1033 | ||
b34976b6 | 1034 | return TRUE; |
04925e1e AM |
1035 | } |
1036 | ||
41392f03 AM |
1037 | EOF |
1038 | fi | |
cde43e70 AM |
1039 | |
1040 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then | |
41392f03 AM |
1041 | cat >>e${EMULATION_NAME}.c <<EOF |
1042 | ||
1043 | /* A variant of lang_output_section_find. Used by place_orphan. */ | |
04925e1e | 1044 | |
04925e1e | 1045 | static lang_output_section_statement_type * |
24cdb50a AM |
1046 | output_rel_find (sec) |
1047 | asection *sec; | |
04925e1e AM |
1048 | { |
1049 | lang_statement_union_type *u; | |
1050 | lang_output_section_statement_type *lookup; | |
ba493122 AM |
1051 | lang_output_section_statement_type *last = NULL; |
1052 | lang_output_section_statement_type *last_rel = NULL; | |
1053 | lang_output_section_statement_type *last_rel_alloc = NULL; | |
24cdb50a | 1054 | int rela = sec->name[4] == 'a'; |
04925e1e | 1055 | |
ba493122 | 1056 | for (u = lang_output_section_statement.head; u; u = lookup->next) |
04925e1e AM |
1057 | { |
1058 | lookup = &u->output_section_statement; | |
ba493122 | 1059 | if (strncmp (".rel", lookup->name, 4) == 0) |
04925e1e | 1060 | { |
ba493122 AM |
1061 | /* Don't place after .rel.plt as doing so results in wrong |
1062 | dynamic tags. Also, place allocated reloc sections before | |
1063 | non-allocated. */ | |
24cdb50a | 1064 | int lookrela = lookup->name[4] == 'a'; |
ba493122 | 1065 | |
24cdb50a | 1066 | if (strcmp (".plt", lookup->name + 4 + lookrela) == 0 |
ba493122 AM |
1067 | || (lookup->bfd_section != NULL |
1068 | && (lookup->bfd_section->flags & SEC_ALLOC) == 0)) | |
1069 | break; | |
24cdb50a AM |
1070 | last = lookup; |
1071 | if (rela == lookrela) | |
1072 | last_rel = lookup; | |
ba493122 AM |
1073 | if (lookup->bfd_section != NULL |
1074 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) | |
1075 | last_rel_alloc = lookup; | |
04925e1e | 1076 | } |
252b5132 | 1077 | } |
ba493122 AM |
1078 | |
1079 | if (last_rel_alloc) | |
1080 | return last_rel_alloc; | |
1081 | ||
1082 | if (last_rel) | |
1083 | return last_rel; | |
1084 | ||
1085 | return last; | |
252b5132 RH |
1086 | } |
1087 | ||
95500e1c JJ |
1088 | /* Find the last output section before given output statement. |
1089 | Used by place_orphan. */ | |
1090 | ||
1091 | static asection * | |
1092 | output_prev_sec_find (os) | |
1093 | lang_output_section_statement_type *os; | |
1094 | { | |
1095 | asection *s = (asection *) NULL; | |
1096 | lang_statement_union_type *u; | |
1097 | lang_output_section_statement_type *lookup; | |
1098 | ||
1099 | for (u = lang_output_section_statement.head; | |
1100 | u != (lang_statement_union_type *) NULL; | |
1101 | u = lookup->next) | |
1102 | { | |
1103 | lookup = &u->output_section_statement; | |
1104 | if (lookup == os) | |
cde43e70 AM |
1105 | return s; |
1106 | ||
1107 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) | |
95500e1c JJ |
1108 | s = lookup->bfd_section; |
1109 | } | |
1110 | ||
cde43e70 | 1111 | return NULL; |
95500e1c JJ |
1112 | } |
1113 | ||
252b5132 RH |
1114 | /* Place an orphan section. We use this to put random SHF_ALLOC |
1115 | sections in the right segment. */ | |
1116 | ||
41392f03 | 1117 | struct orphan_save { |
6a345e87 | 1118 | lang_output_section_statement_type *os; |
5ba47421 | 1119 | asection **section; |
6a345e87 | 1120 | lang_statement_union_type **stmt; |
1e5e5400 | 1121 | lang_statement_union_type **os_tail; |
6a345e87 | 1122 | }; |
252b5132 | 1123 | |
b34976b6 | 1124 | static bfd_boolean |
252b5132 RH |
1125 | gld${EMULATION_NAME}_place_orphan (file, s) |
1126 | lang_input_statement_type *file; | |
1127 | asection *s; | |
1128 | { | |
aea4bd9d AM |
1129 | static struct orphan_save hold_text; |
1130 | static struct orphan_save hold_rodata; | |
1131 | static struct orphan_save hold_data; | |
1132 | static struct orphan_save hold_bss; | |
1133 | static struct orphan_save hold_rel; | |
1134 | static struct orphan_save hold_interp; | |
c940e6fc | 1135 | static struct orphan_save hold_sdata; |
f9989030 | 1136 | static int count = 1; |
6a345e87 | 1137 | struct orphan_save *place; |
71bfc0ae | 1138 | lang_statement_list_type *old; |
252b5132 RH |
1139 | lang_statement_list_type add; |
1140 | etree_type *address; | |
a854a4a7 | 1141 | const char *secname; |
a854a4a7 | 1142 | const char *ps = NULL; |
252b5132 | 1143 | lang_output_section_statement_type *os; |
1e5e5400 | 1144 | lang_statement_union_type **os_tail; |
36478e9d | 1145 | etree_type *load_base; |
24cdb50a | 1146 | int isdyn = 0; |
252b5132 | 1147 | |
aea4bd9d | 1148 | secname = bfd_get_section_name (s->owner, s); |
1049f94e | 1149 | if (! link_info.relocatable |
24cdb50a | 1150 | && link_info.combreloc |
a8927cfd | 1151 | && (s->flags & SEC_ALLOC) |
24cdb50a AM |
1152 | && strncmp (secname, ".rel", 4) == 0) |
1153 | { | |
1154 | if (secname[4] == 'a') | |
1155 | secname = ".rela.dyn"; | |
1156 | else | |
1157 | secname = ".rel.dyn"; | |
1158 | isdyn = 1; | |
1159 | } | |
aea4bd9d | 1160 | |
24cdb50a | 1161 | if (isdyn || (!config.unique_orphan_sections && !unique_section_p (secname))) |
252b5132 | 1162 | { |
6d02a667 | 1163 | /* Look through the script to see where to place this section. */ |
a854a4a7 AM |
1164 | os = lang_output_section_find (secname); |
1165 | ||
1166 | if (os != NULL | |
0f33d40b AM |
1167 | && (os->bfd_section == NULL |
1168 | || ((s->flags ^ os->bfd_section->flags) | |
1169 | & (SEC_LOAD | SEC_ALLOC)) == 0)) | |
a854a4a7 | 1170 | { |
0f33d40b | 1171 | /* We already have an output section statement with this |
22af9fd3 | 1172 | name, and its bfd section, if any, has compatible flags. */ |
39dcfe18 | 1173 | lang_add_section (&os->children, s, os, file); |
b34976b6 | 1174 | return TRUE; |
a854a4a7 | 1175 | } |
252b5132 RH |
1176 | } |
1177 | ||
aea4bd9d AM |
1178 | if (hold_text.os == NULL) |
1179 | hold_text.os = lang_output_section_find (".text"); | |
252b5132 RH |
1180 | |
1181 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
1182 | sections into the .text section to get them out of the way. */ | |
36af4a4e | 1183 | if (link_info.executable |
1049f94e | 1184 | && ! link_info.relocatable |
252b5132 | 1185 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 |
6a345e87 | 1186 | && hold_text.os != NULL) |
252b5132 | 1187 | { |
39dcfe18 | 1188 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
b34976b6 | 1189 | return TRUE; |
252b5132 RH |
1190 | } |
1191 | ||
1192 | /* Decide which segment the section should go in based on the | |
1193 | section name and section flags. We put loadable .note sections | |
1194 | right after the .interp section, so that the PT_NOTE segment is | |
1195 | stored right after the program headers where the OS can read it | |
1196 | in the first page. */ | |
aea4bd9d AM |
1197 | #define HAVE_SECTION(hold, name) \ |
1198 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) | |
1199 | ||
1049f94e | 1200 | if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocatable) |
22af9fd3 AM |
1201 | { |
1202 | if (s->output_section == NULL) | |
1203 | s->output_section = bfd_abs_section_ptr; | |
b34976b6 | 1204 | return TRUE; |
22af9fd3 | 1205 | } |
71bfc0ae AM |
1206 | |
1207 | place = NULL; | |
1208 | if ((s->flags & SEC_ALLOC) == 0) | |
1209 | ; | |
252b5132 | 1210 | else if ((s->flags & SEC_LOAD) != 0 |
577a0623 | 1211 | && strncmp (secname, ".note", 5) == 0 |
aea4bd9d | 1212 | && HAVE_SECTION (hold_interp, ".interp")) |
6a345e87 | 1213 | place = &hold_interp; |
252b5132 | 1214 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
aea4bd9d | 1215 | && HAVE_SECTION (hold_bss, ".bss")) |
6a345e87 | 1216 | place = &hold_bss; |
c940e6fc JW |
1217 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
1218 | && HAVE_SECTION (hold_sdata, ".sdata")) | |
1219 | place = &hold_sdata; | |
252b5132 | 1220 | else if ((s->flags & SEC_READONLY) == 0 |
aea4bd9d | 1221 | && HAVE_SECTION (hold_data, ".data")) |
6a345e87 | 1222 | place = &hold_data; |
252b5132 | 1223 | else if (strncmp (secname, ".rel", 4) == 0 |
ba493122 | 1224 | && (s->flags & SEC_LOAD) != 0 |
aea4bd9d | 1225 | && (hold_rel.os != NULL |
24cdb50a | 1226 | || (hold_rel.os = output_rel_find (s)) != NULL)) |
ba493122 | 1227 | place = &hold_rel; |
71bfc0ae | 1228 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
aea4bd9d | 1229 | && HAVE_SECTION (hold_rodata, ".rodata")) |
6a345e87 | 1230 | place = &hold_rodata; |
71bfc0ae | 1231 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
6a345e87 AM |
1232 | && hold_text.os != NULL) |
1233 | place = &hold_text; | |
252b5132 | 1234 | |
aea4bd9d AM |
1235 | #undef HAVE_SECTION |
1236 | ||
252b5132 RH |
1237 | /* Choose a unique name for the section. This will be needed if the |
1238 | same section name appears in the input file with different | |
f813923c | 1239 | loadable or allocatable characteristics. */ |
24cdb50a | 1240 | if (bfd_get_section_by_name (output_bfd, secname) != NULL) |
b3ea3584 | 1241 | { |
24cdb50a AM |
1242 | secname = bfd_get_unique_section_name (output_bfd, secname, &count); |
1243 | if (secname == NULL) | |
b3ea3584 AM |
1244 | einfo ("%F%P: place_orphan failed: %E\n"); |
1245 | } | |
252b5132 | 1246 | |
71bfc0ae AM |
1247 | /* Start building a list of statements for this section. |
1248 | First save the current statement pointer. */ | |
1249 | old = stat_ptr; | |
1250 | ||
1251 | /* If we have found an appropriate place for the output section | |
1252 | statements for this orphan, add them to our own private list, | |
1253 | inserting them later into the global statement list. */ | |
5ba47421 | 1254 | if (place != NULL) |
252b5132 | 1255 | { |
5ba47421 AM |
1256 | stat_ptr = &add; |
1257 | lang_list_init (stat_ptr); | |
71bfc0ae | 1258 | } |
5ba47421 | 1259 | |
71bfc0ae AM |
1260 | if (config.build_constructors) |
1261 | { | |
5ba47421 AM |
1262 | /* If the name of the section is representable in C, then create |
1263 | symbols to mark the start and the end of the section. */ | |
24cdb50a | 1264 | for (ps = secname; *ps != '\0'; ps++) |
3882b010 | 1265 | if (! ISALNUM (*ps) && *ps != '_') |
5ba47421 | 1266 | break; |
71bfc0ae | 1267 | if (*ps == '\0') |
5ba47421 AM |
1268 | { |
1269 | char *symname; | |
1270 | etree_type *e_align; | |
1271 | ||
24cdb50a AM |
1272 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); |
1273 | sprintf (symname, "__start_%s", secname); | |
5ba47421 AM |
1274 | e_align = exp_unop (ALIGN_K, |
1275 | exp_intop ((bfd_vma) 1 << s->alignment_power)); | |
1276 | lang_add_assignment (exp_assop ('=', symname, e_align)); | |
1277 | } | |
252b5132 RH |
1278 | } |
1279 | ||
36478e9d | 1280 | address = NULL; |
1049f94e | 1281 | if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
252b5132 | 1282 | address = exp_intop ((bfd_vma) 0); |
36478e9d AM |
1283 | |
1284 | load_base = NULL; | |
1285 | if (place != NULL && place->os->load_base != NULL) | |
1286 | { | |
1287 | etree_type *lma_from_vma; | |
1288 | lma_from_vma = exp_binop ('-', place->os->load_base, | |
1289 | exp_nameop (ADDR, place->os->name)); | |
1290 | load_base = exp_binop ('+', lma_from_vma, | |
1291 | exp_nameop (ADDR, secname)); | |
1292 | } | |
252b5132 | 1293 | |
1e5e5400 | 1294 | os_tail = lang_output_section_statement.tail; |
24cdb50a | 1295 | os = lang_enter_output_section_statement (secname, address, 0, |
aea4bd9d AM |
1296 | (bfd_vma) 0, |
1297 | (etree_type *) NULL, | |
1298 | (etree_type *) NULL, | |
36478e9d | 1299 | load_base); |
252b5132 | 1300 | |
39dcfe18 | 1301 | lang_add_section (&os->children, s, os, file); |
252b5132 | 1302 | |
20d04697 L |
1303 | lang_leave_output_section_statement |
1304 | ((bfd_vma) 0, "*default*", | |
ee3cc2e2 | 1305 | (struct lang_output_section_phdr_list *) NULL, NULL); |
20d04697 | 1306 | |
71bfc0ae | 1307 | if (config.build_constructors && *ps == '\0') |
252b5132 | 1308 | { |
71bfc0ae | 1309 | char *symname; |
252b5132 | 1310 | |
71bfc0ae AM |
1311 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
1312 | stat_ptr back where we want it. */ | |
1313 | if (place != NULL) | |
1314 | stat_ptr = &add; | |
252b5132 | 1315 | |
24cdb50a AM |
1316 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); |
1317 | sprintf (symname, "__stop_%s", secname); | |
71bfc0ae AM |
1318 | lang_add_assignment (exp_assop ('=', symname, |
1319 | exp_nameop (NAME, "."))); | |
1320 | } | |
5ba47421 | 1321 | |
71bfc0ae AM |
1322 | /* Restore the global list pointer. */ |
1323 | stat_ptr = old; | |
1324 | ||
25844aae | 1325 | if (place != NULL && os->bfd_section != NULL) |
71bfc0ae | 1326 | { |
cde43e70 | 1327 | asection *snew, **pps; |
5ba47421 AM |
1328 | |
1329 | snew = os->bfd_section; | |
95500e1c | 1330 | |
cde43e70 AM |
1331 | /* Shuffle the bfd section list to make the output file look |
1332 | neater. This is really only cosmetic. */ | |
1333 | if (place->section == NULL) | |
5ba47421 | 1334 | { |
cde43e70 | 1335 | asection *bfd_section = place->os->bfd_section; |
5ba47421 | 1336 | |
cde43e70 AM |
1337 | /* If the output statement hasn't been used to place |
1338 | any input sections (and thus doesn't have an output | |
1339 | bfd_section), look for the closest prior output statement | |
1340 | having an output section. */ | |
1341 | if (bfd_section == NULL) | |
1342 | bfd_section = output_prev_sec_find (place->os); | |
1343 | ||
1344 | if (bfd_section != NULL && bfd_section != snew) | |
1345 | place->section = &bfd_section->next; | |
1346 | } | |
1347 | ||
1348 | if (place->section != NULL) | |
1349 | { | |
3dfe7a8c | 1350 | /* Unlink the section. */ |
5ba47421 AM |
1351 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
1352 | ; | |
3dfe7a8c | 1353 | bfd_section_list_remove (output_bfd, pps); |
5ba47421 AM |
1354 | |
1355 | /* Now tack it on to the "place->os" section list. */ | |
3dfe7a8c | 1356 | bfd_section_list_insert (output_bfd, place->section, snew); |
5ba47421 | 1357 | } |
5ba47421 | 1358 | |
cde43e70 AM |
1359 | /* Save the end of this list. Further ophans of this type will |
1360 | follow the one we've just added. */ | |
1361 | place->section = &snew->next; | |
1362 | ||
1363 | /* The following is non-cosmetic. We try to put the output | |
1364 | statements in some sort of reasonable order here, because | |
1365 | they determine the final load addresses of the orphan | |
1366 | sections. In addition, placing output statements in the | |
1367 | wrong order may require extra segments. For instance, | |
1368 | given a typical situation of all read-only sections placed | |
1369 | in one segment and following that a segment containing all | |
1370 | the read-write sections, we wouldn't want to place an orphan | |
1371 | read/write section before or amongst the read-only ones. */ | |
ed15ac6a | 1372 | if (add.head != NULL) |
01cc8ff8 | 1373 | { |
1e5e5400 AM |
1374 | lang_statement_union_type *newly_added_os; |
1375 | ||
ed15ac6a AM |
1376 | if (place->stmt == NULL) |
1377 | { | |
1378 | /* Put the new statement list right at the head. */ | |
1379 | *add.tail = place->os->header.next; | |
1380 | place->os->header.next = add.head; | |
1e5e5400 AM |
1381 | |
1382 | place->os_tail = &place->os->next; | |
ed15ac6a AM |
1383 | } |
1384 | else | |
1385 | { | |
1386 | /* Put it after the last orphan statement we added. */ | |
1387 | *add.tail = *place->stmt; | |
1388 | *place->stmt = add.head; | |
1389 | } | |
71bfc0ae | 1390 | |
ed15ac6a AM |
1391 | /* Fix the global list pointer if we happened to tack our |
1392 | new list at the tail. */ | |
1393 | if (*old->tail == add.head) | |
1394 | old->tail = add.tail; | |
71bfc0ae | 1395 | |
ed15ac6a AM |
1396 | /* Save the end of this list. */ |
1397 | place->stmt = add.tail; | |
1e5e5400 AM |
1398 | |
1399 | /* Do the same for the list of output section statements. */ | |
1400 | newly_added_os = *os_tail; | |
1401 | *os_tail = NULL; | |
1402 | newly_added_os->output_section_statement.next = *place->os_tail; | |
1403 | *place->os_tail = newly_added_os; | |
1404 | place->os_tail = &newly_added_os->output_section_statement.next; | |
1405 | ||
1406 | /* Fixing the global list pointer here is a little different. | |
1407 | We added to the list in lang_enter_output_section_statement, | |
1408 | trimmed off the new output_section_statment above when | |
1409 | assigning *os_tail = NULL, but possibly added it back in | |
1410 | the same place when assigning *place->os_tail. */ | |
1411 | if (*os_tail == NULL) | |
1412 | lang_output_section_statement.tail = os_tail; | |
ed15ac6a | 1413 | } |
6a345e87 | 1414 | } |
252b5132 | 1415 | |
b34976b6 | 1416 | return TRUE; |
252b5132 | 1417 | } |
c56feb2b AM |
1418 | EOF |
1419 | fi | |
1420 | ||
1421 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then | |
1422 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 | 1423 | |
73d074b4 DJ |
1424 | static void |
1425 | gld${EMULATION_NAME}_finish () | |
1426 | { | |
65765700 | 1427 | if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info)) |
73d074b4 | 1428 | { |
e3dc8847 HPN |
1429 | lang_reset_memory_regions (); |
1430 | ||
73d074b4 DJ |
1431 | /* Resize the sections. */ |
1432 | lang_size_sections (stat_ptr->head, abs_output_section, | |
cf888e70 | 1433 | &stat_ptr->head, 0, (bfd_vma) 0, NULL, TRUE); |
73d074b4 DJ |
1434 | |
1435 | /* Redo special stuff. */ | |
1436 | ldemul_after_allocation (); | |
1437 | ||
1438 | /* Do the assignments again. */ | |
1439 | lang_do_assignments (stat_ptr->head, abs_output_section, | |
2c382fb6 | 1440 | (fill_type *) 0, (bfd_vma) 0); |
73d074b4 DJ |
1441 | } |
1442 | } | |
41392f03 AM |
1443 | EOF |
1444 | fi | |
1445 | ||
1446 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then | |
1447 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1448 | |
1449 | static char * | |
41392f03 | 1450 | gld${EMULATION_NAME}_get_script (isfile) |
252b5132 RH |
1451 | int *isfile; |
1452 | EOF | |
1453 | ||
1454 | if test -n "$COMPILE_IN" | |
1455 | then | |
1456 | # Scripts compiled in. | |
1457 | ||
1458 | # sed commands to quote an ld script as a C string. | |
597e2591 | 1459 | sc="-f stringify.sed" |
252b5132 RH |
1460 | |
1461 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1462 | { |
252b5132 RH |
1463 | *isfile = 0; |
1464 | ||
1049f94e | 1465 | if (link_info.relocatable && config.build_constructors) |
597e2591 | 1466 | return |
252b5132 | 1467 | EOF |
b34976b6 | 1468 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
1049f94e | 1469 | echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c |
b34976b6 AM |
1470 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
1471 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c | |
1472 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c | |
61585df2 | 1473 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
b34976b6 AM |
1474 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
1475 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c | |
db6751f2 | 1476 | fi |
36af4a4e JJ |
1477 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1478 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1479 | echo ' ; else if (link_info.pie && link_info.combreloc) return' >> e${EMULATION_NAME}.c | |
1480 | sed $sc ldscripts/${EMULATION_NAME}.xdc >> e${EMULATION_NAME}.c | |
1481 | fi | |
1482 | echo ' ; else if (link_info.pie) return' >> e${EMULATION_NAME}.c | |
1483 | sed $sc ldscripts/${EMULATION_NAME}.xd >> e${EMULATION_NAME}.c | |
1484 | fi | |
252b5132 | 1485 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
82434356 | 1486 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
db6751f2 | 1487 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
b34976b6 | 1488 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
82434356 | 1489 | fi |
b34976b6 AM |
1490 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
1491 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c | |
252b5132 | 1492 | fi |
82434356 | 1493 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
b34976b6 AM |
1494 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
1495 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c | |
82434356 | 1496 | fi |
b34976b6 AM |
1497 | echo ' ; else return' >> e${EMULATION_NAME}.c |
1498 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c | |
1499 | echo '; }' >> e${EMULATION_NAME}.c | |
252b5132 RH |
1500 | |
1501 | else | |
1502 | # Scripts read from the filesystem. | |
1503 | ||
1504 | cat >>e${EMULATION_NAME}.c <<EOF | |
60bcf0fa | 1505 | { |
252b5132 RH |
1506 | *isfile = 1; |
1507 | ||
1049f94e | 1508 | if (link_info.relocatable && config.build_constructors) |
252b5132 | 1509 | return "ldscripts/${EMULATION_NAME}.xu"; |
1049f94e | 1510 | else if (link_info.relocatable) |
252b5132 RH |
1511 | return "ldscripts/${EMULATION_NAME}.xr"; |
1512 | else if (!config.text_read_only) | |
1513 | return "ldscripts/${EMULATION_NAME}.xbn"; | |
a060b769 AM |
1514 | EOF |
1515 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : | |
1516 | else | |
1517 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1518 | else if (!config.magic_demand_paged) |
1519 | return "ldscripts/${EMULATION_NAME}.xn"; | |
a060b769 AM |
1520 | EOF |
1521 | fi | |
36af4a4e JJ |
1522 | if test -n "$GENERATE_PIE_SCRIPT" ; then |
1523 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1524 | cat >>e${EMULATION_NAME}.c <<EOF | |
1525 | else if (link_info.pie && link_info.combreloc) | |
1526 | return "ldscripts/${EMULATION_NAME}.xdc"; | |
1527 | EOF | |
1528 | fi | |
1529 | cat >>e${EMULATION_NAME}.c <<EOF | |
1530 | else if (link_info.pie) | |
1531 | return "ldscripts/${EMULATION_NAME}.xd"; | |
1532 | EOF | |
1533 | fi | |
a060b769 AM |
1534 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
1535 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1536 | cat >>e${EMULATION_NAME}.c <<EOF | |
1537 | else if (link_info.shared && link_info.combreloc) | |
1538 | return "ldscripts/${EMULATION_NAME}.xsc"; | |
1539 | EOF | |
1540 | fi | |
1541 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1542 | else if (link_info.shared) |
1543 | return "ldscripts/${EMULATION_NAME}.xs"; | |
a060b769 AM |
1544 | EOF |
1545 | fi | |
1546 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then | |
1547 | cat >>e${EMULATION_NAME}.c <<EOF | |
1548 | else if (link_info.combreloc) | |
1549 | return "ldscripts/${EMULATION_NAME}.xc"; | |
1550 | EOF | |
1551 | fi | |
1552 | cat >>e${EMULATION_NAME}.c <<EOF | |
252b5132 RH |
1553 | else |
1554 | return "ldscripts/${EMULATION_NAME}.x"; | |
1555 | } | |
252b5132 | 1556 | |
3b108066 | 1557 | EOF |
41392f03 AM |
1558 | fi |
1559 | fi | |
3b108066 | 1560 | |
41392f03 | 1561 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
3b108066 | 1562 | |
e0ee487b L |
1563 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
1564 | cat >>e${EMULATION_NAME}.c <<EOF | |
1565 | $PARSE_AND_LIST_PROLOGUE | |
1566 | EOF | |
1567 | fi | |
1568 | ||
e0ee487b L |
1569 | cat >>e${EMULATION_NAME}.c <<EOF |
1570 | ||
6c1439be L |
1571 | #define OPTION_DISABLE_NEW_DTAGS (400) |
1572 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) | |
a1ab1d2a | 1573 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
65765700 | 1574 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
6c1439be | 1575 | |
3bcf5557 AM |
1576 | static void gld${EMULATION_NAME}_add_options |
1577 | PARAMS ((int, char **, int, struct option **, int, struct option **)); | |
1578 | ||
1579 | static void | |
1580 | gld${EMULATION_NAME}_add_options (ns, shortopts, nl, longopts, nrl, really_longopts) | |
1581 | int ns; | |
1582 | char **shortopts; | |
1583 | int nl; | |
1584 | struct option **longopts; | |
1585 | int nrl ATTRIBUTE_UNUSED; | |
1586 | struct option **really_longopts ATTRIBUTE_UNUSED; | |
e0ee487b | 1587 | { |
3bcf5557 AM |
1588 | static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:"; |
1589 | static const struct option xtra_long[] = { | |
e0ee487b | 1590 | EOF |
e0ee487b L |
1591 | |
1592 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1593 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 AM |
1594 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
1595 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, | |
1596 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, | |
1597 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, | |
e0ee487b L |
1598 | EOF |
1599 | fi | |
1600 | ||
1601 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then | |
1602 | cat >>e${EMULATION_NAME}.c <<EOF | |
3bcf5557 | 1603 | $PARSE_AND_LIST_LONGOPTS |
e0ee487b L |
1604 | EOF |
1605 | fi | |
1606 | ||
e0ee487b | 1607 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1608 | {NULL, no_argument, NULL, 0} |
1609 | }; | |
1610 | ||
1611 | *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short)); | |
1612 | memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short)); | |
1613 | *longopts = (struct option *) | |
1614 | xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); | |
1615 | memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); | |
1616 | } | |
04925e1e | 1617 | |
3bcf5557 AM |
1618 | static bfd_boolean gld${EMULATION_NAME}_handle_option |
1619 | PARAMS ((int)); | |
41392f03 | 1620 | |
3bcf5557 AM |
1621 | static bfd_boolean |
1622 | gld${EMULATION_NAME}_handle_option (optc) | |
1623 | int optc; | |
e0ee487b | 1624 | { |
e0ee487b L |
1625 | switch (optc) |
1626 | { | |
1627 | default: | |
3bcf5557 | 1628 | return FALSE; |
6c1439be | 1629 | |
e0ee487b | 1630 | EOF |
e0ee487b L |
1631 | |
1632 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1633 | cat >>e${EMULATION_NAME}.c <<EOF | |
6c1439be | 1634 | case OPTION_DISABLE_NEW_DTAGS: |
b34976b6 | 1635 | link_info.new_dtags = FALSE; |
6c1439be L |
1636 | break; |
1637 | ||
1638 | case OPTION_ENABLE_NEW_DTAGS: | |
b34976b6 | 1639 | link_info.new_dtags = TRUE; |
6c1439be L |
1640 | break; |
1641 | ||
65765700 | 1642 | case OPTION_EH_FRAME_HDR: |
b34976b6 | 1643 | link_info.eh_frame_hdr = TRUE; |
65765700 JJ |
1644 | break; |
1645 | ||
a1ab1d2a UD |
1646 | case OPTION_GROUP: |
1647 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; | |
1648 | /* Groups must be self-contained. */ | |
b34976b6 | 1649 | link_info.no_undefined = TRUE; |
a1ab1d2a UD |
1650 | break; |
1651 | ||
e0ee487b L |
1652 | case 'z': |
1653 | if (strcmp (optarg, "initfirst") == 0) | |
1654 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; | |
1655 | else if (strcmp (optarg, "interpose") == 0) | |
1656 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; | |
1657 | else if (strcmp (optarg, "loadfltr") == 0) | |
1658 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; | |
1659 | else if (strcmp (optarg, "nodefaultlib") == 0) | |
1660 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; | |
1661 | else if (strcmp (optarg, "nodelete") == 0) | |
1662 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; | |
1663 | else if (strcmp (optarg, "nodlopen") == 0) | |
1664 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; | |
1665 | else if (strcmp (optarg, "nodump") == 0) | |
1666 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; | |
1667 | else if (strcmp (optarg, "now") == 0) | |
1668 | { | |
1669 | link_info.flags |= (bfd_vma) DF_BIND_NOW; | |
1670 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; | |
1671 | } | |
1672 | else if (strcmp (optarg, "origin") == 0) | |
1673 | { | |
1674 | link_info.flags |= (bfd_vma) DF_ORIGIN; | |
1675 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; | |
1676 | } | |
a1ab1d2a | 1677 | else if (strcmp (optarg, "defs") == 0) |
b34976b6 | 1678 | link_info.no_undefined = TRUE; |
aa713662 | 1679 | else if (strcmp (optarg, "muldefs") == 0) |
b34976b6 | 1680 | link_info.allow_multiple_definition = TRUE; |
db6751f2 | 1681 | else if (strcmp (optarg, "combreloc") == 0) |
b34976b6 | 1682 | link_info.combreloc = TRUE; |
db6751f2 | 1683 | else if (strcmp (optarg, "nocombreloc") == 0) |
b34976b6 | 1684 | link_info.combreloc = FALSE; |
8bd621d8 | 1685 | else if (strcmp (optarg, "nocopyreloc") == 0) |
b34976b6 | 1686 | link_info.nocopyreloc = TRUE; |
9ee5e499 JJ |
1687 | else if (strcmp (optarg, "execstack") == 0) |
1688 | { | |
1689 | link_info.execstack = TRUE; | |
1690 | link_info.noexecstack = FALSE; | |
1691 | } | |
1692 | else if (strcmp (optarg, "noexecstack") == 0) | |
1693 | { | |
1694 | link_info.noexecstack = TRUE; | |
1695 | link_info.execstack = FALSE; | |
1696 | } | |
e0ee487b | 1697 | /* What about the other Solaris -z options? FIXME. */ |
6c1439be | 1698 | break; |
e0ee487b L |
1699 | EOF |
1700 | fi | |
1701 | ||
1702 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then | |
1703 | cat >>e${EMULATION_NAME}.c <<EOF | |
1704 | $PARSE_AND_LIST_ARGS_CASES | |
1705 | EOF | |
1706 | fi | |
1707 | ||
e0ee487b L |
1708 | cat >>e${EMULATION_NAME}.c <<EOF |
1709 | } | |
1710 | ||
3bcf5557 | 1711 | return TRUE; |
e0ee487b L |
1712 | } |
1713 | ||
41392f03 | 1714 | EOF |
41392f03 | 1715 | |
4b209b22 | 1716 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 AM |
1717 | cat >>e${EMULATION_NAME}.c <<EOF |
1718 | ||
4b209b22 | 1719 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
04925e1e | 1720 | |
e0ee487b | 1721 | static void |
4b209b22 | 1722 | gld${EMULATION_NAME}_list_options (file) |
e0ee487b L |
1723 | FILE * file; |
1724 | { | |
1725 | EOF | |
e0ee487b L |
1726 | |
1727 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then | |
1728 | cat >>e${EMULATION_NAME}.c <<EOF | |
a1ab1d2a | 1729 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
6c1439be L |
1730 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
1731 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); | |
65765700 | 1732 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
ec38dd05 | 1733 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
a1ab1d2a | 1734 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
9ee5e499 | 1735 | fprintf (file, _(" -z execstack\t\tMark executable as requiring executable stack\n")); |
f813923c HPN |
1736 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
1737 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); | |
e0ee487b | 1738 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
aa713662 | 1739 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
146e7110 AM |
1740 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
1741 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); | |
e0ee487b L |
1742 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
1743 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); | |
f813923c HPN |
1744 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
1745 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); | |
10b4329d | 1746 | fprintf (file, _(" -z noexecstack\tMark executable as not requiring executable stack\n")); |
e0ee487b | 1747 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
73e87d70 | 1748 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
19e3be22 | 1749 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
e0ee487b L |
1750 | EOF |
1751 | fi | |
1752 | ||
1753 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then | |
1754 | cat >>e${EMULATION_NAME}.c <<EOF | |
1755 | $PARSE_AND_LIST_OPTIONS | |
1756 | EOF | |
1757 | fi | |
1758 | ||
e0ee487b L |
1759 | cat >>e${EMULATION_NAME}.c <<EOF |
1760 | } | |
1761 | EOF | |
e0ee487b L |
1762 | |
1763 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then | |
1764 | cat >>e${EMULATION_NAME}.c <<EOF | |
1765 | $PARSE_AND_LIST_EPILOGUE | |
1766 | EOF | |
1767 | fi | |
41392f03 AM |
1768 | fi |
1769 | else | |
41392f03 | 1770 | cat >>e${EMULATION_NAME}.c <<EOF |
3bcf5557 AM |
1771 | #define gld${EMULATION_NAME}_add_options NULL |
1772 | #define gld${EMULATION_NAME}_handle_option NULL | |
41392f03 | 1773 | EOF |
4b209b22 | 1774 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
41392f03 | 1775 | cat >>e${EMULATION_NAME}.c <<EOF |
4b209b22 | 1776 | #define gld${EMULATION_NAME}_list_options NULL |
41392f03 AM |
1777 | EOF |
1778 | fi | |
1779 | fi | |
e0ee487b | 1780 | |
252b5132 RH |
1781 | cat >>e${EMULATION_NAME}.c <<EOF |
1782 | ||
60bcf0fa | 1783 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
252b5132 | 1784 | { |
41392f03 AM |
1785 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
1786 | ${LDEMUL_SYSLIB-syslib_default}, | |
1787 | ${LDEMUL_HLL-hll_default}, | |
1788 | ${LDEMUL_AFTER_PARSE-after_parse_default}, | |
1789 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, | |
1790 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, | |
1791 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, | |
1792 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, | |
1793 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, | |
1794 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, | |
252b5132 RH |
1795 | "${EMULATION_NAME}", |
1796 | "${OUTPUT_FORMAT}", | |
c56feb2b | 1797 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
41392f03 AM |
1798 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
1799 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, | |
1800 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, | |
1801 | ${LDEMUL_SET_SYMBOLS-NULL}, | |
3bcf5557 AM |
1802 | ${LDEMUL_PARSE_ARGS-NULL}, |
1803 | gld${EMULATION_NAME}_add_options, | |
1804 | gld${EMULATION_NAME}_handle_option, | |
41392f03 | 1805 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
4b209b22 | 1806 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
41392f03 AM |
1807 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
1808 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, | |
fac1652d | 1809 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
252b5132 RH |
1810 | }; |
1811 | EOF |