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252b5132 RH |
1 | /* This file is is generated by a shell script. DO NOT EDIT! */ |
2 | ||
3 | /* 32 bit ELF emulation code for elf32ebmip | |
a2b64bed | 4 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001 |
b71e2778 | 5 | Free Software Foundation, Inc. |
252b5132 RH |
6 | Written by Steve Chamberlain <sac@cygnus.com> |
7 | ELF support by Ian Lance Taylor <ian@cygnus.com> | |
8 | ||
9 | This file is part of GLD, the Gnu Linker. | |
10 | ||
11 | This program is free software; you can redistribute it and/or modify | |
12 | it under the terms of the GNU General Public License as published by | |
13 | the Free Software Foundation; either version 2 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU General Public License | |
22 | along with this program; if not, write to the Free Software | |
23 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
24 | ||
25 | #define TARGET_IS_elf32ebmip | |
26 | ||
27 | #include "bfd.h" | |
28 | #include "sysdep.h" | |
29 | ||
30 | #include <ctype.h> | |
31 | ||
32 | #include "bfdlink.h" | |
33 | ||
34 | #include "ld.h" | |
35 | #include "ldmain.h" | |
252b5132 RH |
36 | #include "ldmisc.h" |
37 | #include "ldexp.h" | |
38 | #include "ldlang.h" | |
39 | #include "ldgram.h" | |
b71e2778 AM |
40 | #include "ldfile.h" |
41 | #include "ldemul.h" | |
252b5132 RH |
42 | |
43 | static void gldelf32ebmip_before_parse PARAMS ((void)); | |
44 | static boolean gldelf32ebmip_open_dynamic_archive | |
45 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); | |
46 | static void gldelf32ebmip_after_open PARAMS ((void)); | |
47 | static void gldelf32ebmip_check_needed | |
48 | PARAMS ((lang_input_statement_type *)); | |
49 | static void gldelf32ebmip_stat_needed | |
50 | PARAMS ((lang_input_statement_type *)); | |
51 | static boolean gldelf32ebmip_search_needed | |
52 | PARAMS ((const char *, const char *)); | |
53 | static boolean gldelf32ebmip_try_needed PARAMS ((const char *)); | |
54 | static void gldelf32ebmip_before_allocation PARAMS ((void)); | |
55 | static void gldelf32ebmip_find_statement_assignment | |
56 | PARAMS ((lang_statement_union_type *)); | |
57 | static void gldelf32ebmip_find_exp_assignment PARAMS ((etree_type *)); | |
58 | static boolean gldelf32ebmip_place_orphan | |
59 | PARAMS ((lang_input_statement_type *, asection *)); | |
60 | static void gldelf32ebmip_place_section | |
61 | PARAMS ((lang_statement_union_type *)); | |
62 | static char *gldelf32ebmip_get_script PARAMS ((int *isfile)); | |
63 | ||
64 | static void | |
65 | gldelf32ebmip_before_parse() | |
66 | { | |
67 | ldfile_output_architecture = bfd_arch_mips; | |
68 | config.dynamic_link = true; | |
69 | } | |
70 | ||
71 | /* Try to open a dynamic archive. This is where we know that ELF | |
72 | dynamic libraries have an extension of .so. */ | |
73 | ||
74 | static boolean | |
75 | gldelf32ebmip_open_dynamic_archive (arch, search, entry) | |
76 | const char *arch; | |
77 | search_dirs_type *search; | |
78 | lang_input_statement_type *entry; | |
79 | { | |
80 | const char *filename; | |
81 | char *string; | |
82 | ||
83 | if (! entry->is_archive) | |
84 | return false; | |
85 | ||
86 | filename = entry->filename; | |
87 | ||
88 | string = (char *) xmalloc (strlen (search->name) | |
89 | + strlen (filename) | |
90 | + strlen (arch) | |
91 | + sizeof "/lib.so"); | |
92 | ||
93 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
94 | ||
95 | if (! ldfile_try_open_bfd (string, entry)) | |
96 | { | |
97 | free (string); | |
98 | return false; | |
99 | } | |
100 | ||
101 | entry->filename = string; | |
102 | ||
103 | /* We have found a dynamic object to include in the link. The ELF | |
104 | backend linker will create a DT_NEEDED entry in the .dynamic | |
105 | section naming this file. If this file includes a DT_SONAME | |
106 | entry, it will be used. Otherwise, the ELF linker will just use | |
107 | the name of the file. For an archive found by searching, like | |
108 | this one, the DT_NEEDED entry should consist of just the name of | |
109 | the file, without the path information used to find it. Note | |
110 | that we only need to do this if we have a dynamic object; an | |
111 | archive will never be referenced by a DT_NEEDED entry. | |
112 | ||
113 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not | |
114 | very pretty. I haven't been able to think of anything that is | |
115 | pretty, though. */ | |
116 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
117 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
118 | { | |
119 | char *needed_name; | |
120 | ||
121 | ASSERT (entry->is_archive && entry->search_dirs_flag); | |
122 | needed_name = (char *) xmalloc (strlen (filename) | |
123 | + strlen (arch) | |
124 | + sizeof "lib.so"); | |
125 | sprintf (needed_name, "lib%s%s.so", filename, arch); | |
126 | bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name); | |
127 | } | |
128 | ||
129 | return true; | |
130 | } | |
131 | ||
132 | ||
133 | /* These variables are required to pass information back and forth | |
134 | between after_open and check_needed and stat_needed. */ | |
135 | ||
136 | static struct bfd_link_needed_list *global_needed; | |
137 | static struct stat global_stat; | |
138 | static boolean global_found; | |
139 | ||
140 | /* This is called after all the input files have been opened. */ | |
141 | ||
142 | static void | |
143 | gldelf32ebmip_after_open () | |
144 | { | |
145 | struct bfd_link_needed_list *needed, *l; | |
146 | ||
147 | /* We only need to worry about this when doing a final link. */ | |
148 | if (link_info.relocateable || link_info.shared) | |
149 | return; | |
150 | ||
151 | /* Get the list of files which appear in DT_NEEDED entries in | |
152 | dynamic objects included in the link (often there will be none). | |
153 | For each such file, we want to track down the corresponding | |
154 | library, and include the symbol table in the link. This is what | |
155 | the runtime dynamic linker will do. Tracking the files down here | |
156 | permits one dynamic object to include another without requiring | |
157 | special action by the person doing the link. Note that the | |
158 | needed list can actually grow while we are stepping through this | |
159 | loop. */ | |
160 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
161 | for (l = needed; l != NULL; l = l->next) | |
162 | { | |
163 | struct bfd_link_needed_list *ll; | |
164 | const char *lib_path; | |
165 | size_t len; | |
166 | search_dirs_type *search; | |
167 | ||
168 | /* If we've already seen this file, skip it. */ | |
169 | for (ll = needed; ll != l; ll = ll->next) | |
170 | if (strcmp (ll->name, l->name) == 0) | |
171 | break; | |
172 | if (ll != l) | |
173 | continue; | |
174 | ||
175 | /* See if this file was included in the link explicitly. */ | |
176 | global_needed = l; | |
177 | global_found = false; | |
178 | lang_for_each_input_file (gldelf32ebmip_check_needed); | |
179 | if (global_found) | |
180 | continue; | |
181 | ||
182 | /* We need to find this file and include the symbol table. We | |
183 | want to search for the file in the same way that the dynamic | |
184 | linker will search. That means that we want to use | |
185 | rpath_link, rpath, then the environment variable | |
186 | LD_LIBRARY_PATH (native only), then the linker script | |
187 | LIB_SEARCH_DIRS. We do not search using the -L arguments. */ | |
188 | if (gldelf32ebmip_search_needed (command_line.rpath_link, | |
189 | l->name)) | |
190 | continue; | |
191 | if (gldelf32ebmip_search_needed (command_line.rpath, l->name)) | |
192 | continue; | |
193 | if (command_line.rpath_link == NULL | |
194 | && command_line.rpath == NULL) | |
195 | { | |
196 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
197 | if (gldelf32ebmip_search_needed (lib_path, l->name)) | |
198 | continue; | |
199 | } | |
200 | len = strlen (l->name); | |
201 | for (search = search_head; search != NULL; search = search->next) | |
202 | { | |
203 | char *filename; | |
204 | ||
205 | if (search->cmdline) | |
206 | continue; | |
207 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
208 | sprintf (filename, "%s/%s", search->name, l->name); | |
209 | if (gldelf32ebmip_try_needed (filename)) | |
210 | break; | |
211 | free (filename); | |
212 | } | |
213 | if (search != NULL) | |
214 | continue; | |
215 | ||
216 | einfo (_("%P: warning: %s, needed by %B, not found\n"), | |
217 | l->name, l->by); | |
218 | } | |
219 | } | |
220 | ||
221 | /* Search for a needed file in a path. */ | |
222 | ||
223 | static boolean | |
224 | gldelf32ebmip_search_needed (path, name) | |
225 | const char *path; | |
226 | const char *name; | |
227 | { | |
228 | const char *s; | |
229 | size_t len; | |
230 | ||
231 | if (path == NULL || *path == '\0') | |
232 | return false; | |
233 | len = strlen (name); | |
234 | while (1) | |
235 | { | |
236 | char *filename, *sset; | |
237 | ||
238 | s = strchr (path, ':'); | |
239 | if (s == NULL) | |
240 | s = path + strlen (path); | |
241 | ||
242 | filename = (char *) xmalloc (s - path + len + 2); | |
243 | if (s == path) | |
244 | sset = filename; | |
245 | else | |
246 | { | |
247 | memcpy (filename, path, s - path); | |
248 | filename[s - path] = '/'; | |
249 | sset = filename + (s - path) + 1; | |
250 | } | |
251 | strcpy (sset, name); | |
252 | ||
253 | if (gldelf32ebmip_try_needed (filename)) | |
254 | return true; | |
255 | ||
256 | free (filename); | |
257 | ||
258 | if (*s == '\0') | |
259 | break; | |
260 | path = s + 1; | |
261 | } | |
262 | ||
263 | return false; | |
264 | } | |
265 | ||
266 | /* This function is called for each possible name for a dynamic object | |
267 | named by a DT_NEEDED entry. */ | |
268 | ||
269 | static boolean | |
270 | gldelf32ebmip_try_needed (name) | |
271 | const char *name; | |
272 | { | |
273 | bfd *abfd; | |
274 | ||
275 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
276 | if (abfd == NULL) | |
277 | return false; | |
278 | if (! bfd_check_format (abfd, bfd_object)) | |
279 | { | |
280 | (void) bfd_close (abfd); | |
281 | return false; | |
282 | } | |
283 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
284 | { | |
285 | (void) bfd_close (abfd); | |
286 | return false; | |
287 | } | |
288 | ||
289 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
290 | ||
291 | /* We have already checked that there is no other input file of the | |
292 | same name. We must now check again that we are not including the | |
293 | same file twice. We need to do this because on many systems | |
294 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
295 | reference libc.so.1. If we have already included libc.so, we | |
296 | don't want to include libc.so.1 if they are the same file, and we | |
297 | can only check that using stat. */ | |
298 | ||
299 | if (bfd_stat (abfd, &global_stat) != 0) | |
300 | einfo (_("%F%P:%B: bfd_stat failed: %E\n"), abfd); | |
301 | global_found = false; | |
302 | lang_for_each_input_file (gldelf32ebmip_stat_needed); | |
303 | if (global_found) | |
304 | { | |
305 | /* Return true to indicate that we found the file, even though | |
306 | we aren't going to do anything with it. */ | |
307 | return true; | |
308 | } | |
309 | ||
310 | /* Tell the ELF backend that don't want the output file to have a | |
311 | DT_NEEDED entry for this file. */ | |
312 | bfd_elf_set_dt_needed_name (abfd, ""); | |
313 | ||
314 | /* Add this file into the symbol table. */ | |
315 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
316 | einfo (_("%F%B: could not read symbols: %E\n"), abfd); | |
317 | ||
318 | return true; | |
319 | } | |
320 | ||
321 | /* See if an input file matches a DT_NEEDED entry by name. */ | |
322 | ||
323 | static void | |
324 | gldelf32ebmip_check_needed (s) | |
325 | lang_input_statement_type *s; | |
326 | { | |
327 | if (global_found) | |
328 | return; | |
329 | ||
330 | if (s->filename != NULL | |
331 | && strcmp (s->filename, global_needed->name) == 0) | |
332 | { | |
333 | global_found = true; | |
334 | return; | |
335 | } | |
336 | ||
337 | if (s->the_bfd != NULL) | |
338 | { | |
339 | const char *soname; | |
340 | ||
341 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
342 | if (soname != NULL | |
343 | && strcmp (soname, global_needed->name) == 0) | |
344 | { | |
345 | global_found = true; | |
346 | return; | |
347 | } | |
348 | } | |
349 | ||
350 | if (s->search_dirs_flag | |
351 | && s->filename != NULL | |
352 | && strchr (global_needed->name, '/') == NULL) | |
353 | { | |
354 | const char *f; | |
355 | ||
356 | f = strrchr (s->filename, '/'); | |
357 | if (f != NULL | |
358 | && strcmp (f + 1, global_needed->name) == 0) | |
359 | { | |
360 | global_found = true; | |
361 | return; | |
362 | } | |
363 | } | |
364 | } | |
365 | ||
366 | /* See if an input file matches a DT_NEEDED entry by running stat on | |
367 | the file. */ | |
368 | ||
369 | static void | |
370 | gldelf32ebmip_stat_needed (s) | |
371 | lang_input_statement_type *s; | |
372 | { | |
373 | struct stat st; | |
374 | const char *suffix; | |
375 | const char *soname; | |
376 | const char *f; | |
377 | ||
378 | if (global_found) | |
379 | return; | |
380 | if (s->the_bfd == NULL) | |
381 | return; | |
382 | ||
383 | if (bfd_stat (s->the_bfd, &st) != 0) | |
384 | { | |
385 | einfo (_("%P:%B: bfd_stat failed: %E\n"), s->the_bfd); | |
386 | return; | |
387 | } | |
388 | ||
389 | if (st.st_dev == global_stat.st_dev | |
390 | && st.st_ino == global_stat.st_ino) | |
391 | { | |
392 | global_found = true; | |
393 | return; | |
394 | } | |
395 | ||
396 | /* We issue a warning if it looks like we are including two | |
397 | different versions of the same shared library. For example, | |
398 | there may be a problem if -lc picks up libc.so.6 but some other | |
399 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
400 | hueristic test, and it will only work if the name looks like | |
401 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. | |
402 | If we really want to issue warnings about mixing version numbers | |
403 | of shared libraries, we need to find a better way. */ | |
404 | ||
405 | if (strchr (global_needed->name, '/') != NULL) | |
406 | return; | |
407 | suffix = strstr (global_needed->name, ".so."); | |
408 | if (suffix == NULL) | |
409 | return; | |
410 | suffix += sizeof ".so." - 1; | |
411 | ||
412 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
413 | if (soname == NULL) | |
414 | soname = s->filename; | |
415 | ||
416 | f = strrchr (soname, '/'); | |
417 | if (f != NULL) | |
418 | ++f; | |
419 | else | |
420 | f = soname; | |
421 | ||
422 | if (strncmp (f, global_needed->name, suffix - global_needed->name) == 0) | |
423 | einfo (_("%P: warning: %s, needed by %B, may conflict with %s\n"), | |
424 | global_needed->name, global_needed->by, f); | |
425 | } | |
426 | ||
427 | /* This is called after the sections have been attached to output | |
428 | sections, but before any sizes or addresses have been set. */ | |
429 | ||
430 | static void | |
431 | gldelf32ebmip_before_allocation () | |
432 | { | |
433 | const char *rpath; | |
434 | asection *sinterp; | |
435 | ||
436 | /* If we are going to make any variable assignments, we need to let | |
437 | the ELF backend know about them in case the variables are | |
438 | referred to by dynamic objects. */ | |
439 | lang_for_each_statement (gldelf32ebmip_find_statement_assignment); | |
440 | ||
441 | /* Let the ELF backend work out the sizes of any sections required | |
442 | by dynamic linking. */ | |
443 | rpath = command_line.rpath; | |
444 | if (rpath == NULL) | |
445 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
b71e2778 AM |
446 | if (! (bfd_elf32_size_dynamic_sections |
447 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 448 | command_line.filter_shlib, |
b71e2778 AM |
449 | (const char * const *) command_line.auxiliary_filters, |
450 | &link_info, &sinterp, lang_elf_version_info))) | |
252b5132 RH |
451 | einfo (_("%P%F: failed to set dynamic section sizes: %E\n")); |
452 | ||
453 | /* Let the user override the dynamic linker we are using. */ | |
454 | if (command_line.interpreter != NULL | |
455 | && sinterp != NULL) | |
456 | { | |
457 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
458 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
459 | } | |
460 | ||
461 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
462 | we treat such sections as containing warning messages. We print | |
463 | out the warning message, and then zero out the section size so | |
464 | that it does not get copied into the output file. */ | |
465 | ||
466 | { | |
467 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
468 | { | |
469 | asection *s; | |
470 | bfd_size_type sz; | |
471 | char *msg; | |
472 | boolean ret; | |
473 | ||
474 | if (is->just_syms_flag) | |
475 | continue; | |
476 | ||
477 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
478 | if (s == NULL) | |
479 | continue; | |
480 | ||
481 | sz = bfd_section_size (is->the_bfd, s); | |
482 | msg = xmalloc ((size_t) sz + 1); | |
483 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
484 | einfo (_("%F%B: Can't read contents of section .gnu.warning: %E\n"), | |
485 | is->the_bfd); | |
486 | msg[sz] = '\0'; | |
487 | ret = link_info.callbacks->warning (&link_info, msg, | |
488 | (const char *) NULL, | |
489 | is->the_bfd, (asection *) NULL, | |
490 | (bfd_vma) 0); | |
491 | ASSERT (ret); | |
492 | free (msg); | |
493 | ||
494 | /* Clobber the section size, so that we don't waste copying the | |
495 | warning into the output file. */ | |
496 | s->_raw_size = 0; | |
497 | } | |
498 | } | |
499 | } | |
500 | ||
501 | /* This is called by the before_allocation routine via | |
502 | lang_for_each_statement. It locates any assignment statements, and | |
503 | tells the ELF backend about them, in case they are assignments to | |
504 | symbols which are referred to by dynamic objects. */ | |
505 | ||
506 | static void | |
507 | gldelf32ebmip_find_statement_assignment (s) | |
508 | lang_statement_union_type *s; | |
509 | { | |
510 | if (s->header.type == lang_assignment_statement_enum) | |
511 | gldelf32ebmip_find_exp_assignment (s->assignment_statement.exp); | |
512 | } | |
513 | ||
514 | /* Look through an expression for an assignment statement. */ | |
515 | ||
516 | static void | |
517 | gldelf32ebmip_find_exp_assignment (exp) | |
518 | etree_type *exp; | |
519 | { | |
520 | struct bfd_link_hash_entry *h; | |
521 | ||
522 | switch (exp->type.node_class) | |
523 | { | |
524 | case etree_provide: | |
b46a87b1 | 525 | case etree_provided: |
252b5132 RH |
526 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, |
527 | false, false, false); | |
528 | if (h == NULL) | |
529 | break; | |
530 | ||
531 | /* We call record_link_assignment even if the symbol is defined. | |
532 | This is because if it is defined by a dynamic object, we | |
533 | actually want to use the value defined by the linker script, | |
534 | not the value from the dynamic object (because we are setting | |
535 | symbols like etext). If the symbol is defined by a regular | |
536 | object, then, as it happens, calling record_link_assignment | |
537 | will do no harm. */ | |
538 | ||
539 | /* Fall through. */ | |
540 | case etree_assign: | |
541 | if (strcmp (exp->assign.dst, ".") != 0) | |
542 | { | |
543 | if (! (bfd_elf32_record_link_assignment | |
544 | (output_bfd, &link_info, exp->assign.dst, | |
b46a87b1 | 545 | exp->type.node_class != etree_assign ? true : false))) |
252b5132 RH |
546 | einfo (_("%P%F: failed to record assignment to %s: %E\n"), |
547 | exp->assign.dst); | |
548 | } | |
549 | gldelf32ebmip_find_exp_assignment (exp->assign.src); | |
550 | break; | |
551 | ||
552 | case etree_binary: | |
553 | gldelf32ebmip_find_exp_assignment (exp->binary.lhs); | |
554 | gldelf32ebmip_find_exp_assignment (exp->binary.rhs); | |
555 | break; | |
556 | ||
557 | case etree_trinary: | |
558 | gldelf32ebmip_find_exp_assignment (exp->trinary.cond); | |
559 | gldelf32ebmip_find_exp_assignment (exp->trinary.lhs); | |
560 | gldelf32ebmip_find_exp_assignment (exp->trinary.rhs); | |
561 | break; | |
562 | ||
563 | case etree_unary: | |
564 | gldelf32ebmip_find_exp_assignment (exp->unary.child); | |
565 | break; | |
566 | ||
567 | default: | |
568 | break; | |
569 | } | |
570 | } | |
571 | ||
572 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
573 | sections in the right segment. */ | |
574 | ||
575 | static asection *hold_section; | |
576 | static lang_output_section_statement_type *hold_use; | |
577 | static lang_output_section_statement_type *hold_text; | |
578 | static lang_output_section_statement_type *hold_rodata; | |
579 | static lang_output_section_statement_type *hold_data; | |
580 | static lang_output_section_statement_type *hold_bss; | |
581 | static lang_output_section_statement_type *hold_rel; | |
582 | ||
583 | /*ARGSUSED*/ | |
584 | static boolean | |
585 | gldelf32ebmip_place_orphan (file, s) | |
586 | lang_input_statement_type *file; | |
587 | asection *s; | |
588 | { | |
589 | lang_output_section_statement_type *place; | |
590 | asection *snew, **pps; | |
591 | lang_statement_list_type *old; | |
592 | lang_statement_list_type add; | |
593 | etree_type *address; | |
594 | const char *secname, *ps; | |
595 | lang_output_section_statement_type *os; | |
596 | ||
597 | if ((s->flags & SEC_ALLOC) == 0) | |
598 | return false; | |
599 | ||
600 | /* Look through the script to see where to place this section. */ | |
601 | hold_section = s; | |
602 | hold_use = NULL; | |
603 | lang_for_each_statement (gldelf32ebmip_place_section); | |
604 | ||
605 | if (hold_use != NULL) | |
606 | { | |
607 | /* We have already placed a section with this name. */ | |
39dcfe18 | 608 | lang_add_section (&hold_use->children, s, hold_use, file); |
252b5132 RH |
609 | return true; |
610 | } | |
611 | ||
612 | secname = bfd_get_section_name (s->owner, s); | |
613 | ||
614 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
615 | sections into the .text section to get them out of the way. */ | |
616 | if (! link_info.shared | |
617 | && ! link_info.relocateable | |
618 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
619 | && hold_text != NULL) | |
620 | { | |
39dcfe18 | 621 | lang_add_section (&hold_text->children, s, hold_text, file); |
252b5132 RH |
622 | return true; |
623 | } | |
624 | ||
625 | /* Decide which segment the section should go in based on the | |
626 | section name and section flags. */ | |
627 | place = NULL; | |
628 | if ((s->flags & SEC_HAS_CONTENTS) == 0 | |
629 | && hold_bss != NULL) | |
630 | place = hold_bss; | |
631 | else if ((s->flags & SEC_READONLY) == 0 | |
632 | && hold_data != NULL) | |
633 | place = hold_data; | |
634 | else if (strncmp (secname, ".rel", 4) == 0 | |
635 | && hold_rel != NULL) | |
636 | place = hold_rel; | |
637 | else if ((s->flags & SEC_CODE) == 0 | |
638 | && (s->flags & SEC_READONLY) != 0 | |
639 | && hold_rodata != NULL) | |
640 | place = hold_rodata; | |
641 | else if ((s->flags & SEC_READONLY) != 0 | |
642 | && hold_text != NULL) | |
643 | place = hold_text; | |
644 | if (place == NULL) | |
645 | return false; | |
646 | ||
647 | /* Create the section in the output file, and put it in the right | |
648 | place. This shuffling is to make the output file look neater. */ | |
649 | snew = bfd_make_section (output_bfd, secname); | |
650 | if (snew == NULL) | |
651 | einfo (_("%P%F: output format %s cannot represent section called %s\n"), | |
652 | output_bfd->xvec->name, secname); | |
653 | if (place->bfd_section != NULL) | |
654 | { | |
655 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) | |
656 | ; | |
657 | *pps = snew->next; | |
658 | snew->next = place->bfd_section->next; | |
659 | place->bfd_section->next = snew; | |
660 | } | |
661 | ||
662 | /* Start building a list of statements for this section. */ | |
663 | old = stat_ptr; | |
664 | stat_ptr = &add; | |
665 | lang_list_init (stat_ptr); | |
666 | ||
667 | /* If the name of the section is representable in C, then create | |
668 | symbols to mark the start and the end of the section. */ | |
669 | for (ps = secname; *ps != '\0'; ps++) | |
670 | if (! isalnum (*ps) && *ps != '_') | |
671 | break; | |
672 | if (*ps == '\0' && config.build_constructors) | |
673 | { | |
674 | char *symname; | |
675 | ||
676 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); | |
677 | sprintf (symname, "__start_%s", secname); | |
678 | lang_add_assignment (exp_assop ('=', symname, | |
679 | exp_unop (ALIGN_K, | |
680 | exp_intop ((bfd_vma) 1 | |
681 | << s->alignment_power)))); | |
682 | } | |
683 | ||
684 | if (! link_info.relocateable) | |
685 | address = NULL; | |
686 | else | |
687 | address = exp_intop ((bfd_vma) 0); | |
688 | ||
689 | lang_enter_output_section_statement (secname, address, 0, | |
690 | (bfd_vma) 0, | |
691 | (etree_type *) NULL, | |
692 | (etree_type *) NULL, | |
693 | (etree_type *) NULL); | |
694 | ||
695 | os = lang_output_section_statement_lookup (secname); | |
39dcfe18 | 696 | lang_add_section (&os->children, s, os, file); |
252b5132 | 697 | |
b71e2778 AM |
698 | lang_leave_output_section_statement |
699 | ((bfd_vma) 0, "*default*", | |
700 | (struct lang_output_section_phdr_list *) NULL, "*default*"); | |
252b5132 RH |
701 | stat_ptr = &add; |
702 | ||
703 | if (*ps == '\0' && config.build_constructors) | |
704 | { | |
705 | char *symname; | |
706 | ||
707 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); | |
708 | sprintf (symname, "__stop_%s", secname); | |
709 | lang_add_assignment (exp_assop ('=', symname, | |
710 | exp_nameop (NAME, "."))); | |
711 | } | |
712 | ||
713 | /* Now stick the new statement list right after PLACE. */ | |
714 | *add.tail = place->header.next; | |
715 | place->header.next = add.head; | |
716 | ||
717 | stat_ptr = old; | |
718 | ||
719 | return true; | |
720 | } | |
721 | ||
722 | static void | |
723 | gldelf32ebmip_place_section (s) | |
724 | lang_statement_union_type *s; | |
725 | { | |
726 | lang_output_section_statement_type *os; | |
727 | ||
728 | if (s->header.type != lang_output_section_statement_enum) | |
729 | return; | |
730 | ||
731 | os = &s->output_section_statement; | |
732 | ||
733 | if (strcmp (os->name, hold_section->name) == 0) | |
734 | hold_use = os; | |
735 | ||
736 | if (strcmp (os->name, ".text") == 0) | |
737 | hold_text = os; | |
738 | else if (strcmp (os->name, ".rodata") == 0) | |
739 | hold_rodata = os; | |
740 | else if (strcmp (os->name, ".data") == 0) | |
741 | hold_data = os; | |
742 | else if (strcmp (os->name, ".bss") == 0) | |
743 | hold_bss = os; | |
744 | else if (hold_rel == NULL | |
745 | && os->bfd_section != NULL | |
746 | && strncmp (os->name, ".rel", 4) == 0) | |
747 | hold_rel = os; | |
748 | } | |
749 | ||
750 | static char * | |
751 | gldelf32ebmip_get_script(isfile) | |
752 | int *isfile; | |
753 | { | |
754 | *isfile = 0; | |
755 | ||
756 | if (link_info.relocateable == true && config.build_constructors == true) | |
757 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
758 | \"elf32-littlemips\")\n\ | |
759 | OUTPUT_ARCH(mips)\n\ | |
760 | ENTRY(_start)\n\ | |
761 | /* For some reason, the Solaris linker makes bad executables\n\ | |
762 | if gld -r is used and the intermediate file has sections starting\n\ | |
763 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\ | |
764 | bug. But for now assigning the zero vmas works. */\n\ | |
765 | SECTIONS\n\ | |
766 | {\n\ | |
767 | /* Read-only sections, merged into text segment: */\n\ | |
768 | .interp 0 : { *(.interp) }\n\ | |
769 | .reginfo 0 : { *(.reginfo) }\n\ | |
770 | .dynamic 0 : { *(.dynamic) }\n\ | |
771 | .dynstr 0 : { *(.dynstr) }\n\ | |
772 | .dynsym 0 : { *(.dynsym) }\n\ | |
773 | .hash 0 : { *(.hash) }\n\ | |
774 | .rel.text 0 : { *(.rel.text) }\n\ | |
775 | .rela.text 0 : { *(.rela.text) }\n\ | |
776 | .rel.data 0 : { *(.rel.data) }\n\ | |
777 | .rela.data 0 : { *(.rela.data) }\n\ | |
778 | .rel.rodata 0 : { *(.rel.rodata) }\n\ | |
779 | .rela.rodata 0 : { *(.rela.rodata) }\n\ | |
780 | .rel.got 0 : { *(.rel.got) }\n\ | |
781 | .rela.got 0 : { *(.rela.got) }\n\ | |
782 | .rel.ctors 0 : { *(.rel.ctors) }\n\ | |
783 | .rela.ctors 0 : { *(.rela.ctors) }\n\ | |
784 | .rel.dtors 0 : { *(.rel.dtors) }\n\ | |
785 | .rela.dtors 0 : { *(.rela.dtors) }\n\ | |
786 | .rel.init 0 : { *(.rel.init) }\n\ | |
787 | .rela.init 0 : { *(.rela.init) }\n\ | |
788 | .rel.fini 0 : { *(.rel.fini) }\n\ | |
789 | .rela.fini 0 : { *(.rela.fini) }\n\ | |
790 | .rel.bss 0 : { *(.rel.bss) }\n\ | |
791 | .rela.bss 0 : { *(.rela.bss) }\n\ | |
792 | .rel.plt 0 : { *(.rel.plt) }\n\ | |
793 | .rela.plt 0 : { *(.rela.plt) }\n\ | |
794 | .rodata 0 : { *(.rodata) }\n\ | |
795 | .rodata1 0 : { *(.rodata1) }\n\ | |
796 | .init 0 : { *(.init) } =0\n\ | |
797 | .text 0 :\n\ | |
798 | {\n\ | |
799 | *(.text)\n\ | |
800 | *(.stub)\n\ | |
801 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
802 | *(.gnu.warning)\n\ | |
803 | } =0\n\ | |
804 | .fini 0 : { *(.fini) } =0\n\ | |
805 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
806 | the same address within the page on the next page up. It would\n\ | |
807 | be more correct to do this:\n\ | |
808 | The current expression does not correctly handle the case of a\n\ | |
809 | text segment ending precisely at the end of a page; it causes the\n\ | |
810 | data segment to skip a page. The above expression does not have\n\ | |
811 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
812 | a single segment, combining both text and data, for this case.\n\ | |
813 | This will prevent the text segment from being shared among\n\ | |
814 | multiple executions of the program; I think that is more\n\ | |
815 | important than losing a page of the virtual address space (note\n\ | |
816 | that no actual memory is lost; the page which is skipped can not\n\ | |
817 | be referenced). */\n\ | |
818 | .data 0 :\n\ | |
819 | {\n\ | |
820 | *(.data)\n\ | |
821 | CONSTRUCTORS\n\ | |
822 | }\n\ | |
823 | .data1 0 : { *(.data1) }\n\ | |
824 | .ctors 0 : { *(.ctors) }\n\ | |
825 | .dtors 0 : { *(.dtors) }\n\ | |
826 | .got 0 :\n\ | |
827 | {\n\ | |
828 | *(.got.plt) *(.got)\n\ | |
829 | }\n\ | |
830 | /* We want the small data sections together, so single-instruction offsets\n\ | |
831 | can access them all, and initialized data all before uninitialized, so\n\ | |
832 | we can shorten the on-disk segment size. */\n\ | |
833 | .sdata 0 : { *(.sdata) }\n\ | |
834 | .sbss 0 : { *(.sbss) *(.scommon) }\n\ | |
835 | .bss 0 :\n\ | |
836 | {\n\ | |
837 | *(.dynbss)\n\ | |
838 | *(.bss)\n\ | |
839 | *(COMMON)\n\ | |
840 | }\n\ | |
841 | /* These are needed for ELF backends which have not yet been\n\ | |
842 | converted to the new style linker. */\n\ | |
843 | .stab 0 : { *(.stab) }\n\ | |
844 | .stabstr 0 : { *(.stabstr) }\n\ | |
845 | /* DWARF debug sections.\n\ | |
846 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
847 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
848 | for the others. */\n\ | |
849 | .debug 0 : { *(.debug) }\n\ | |
850 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
851 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
852 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
853 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
854 | .line 0 : { *(.line) }\n\ | |
855 | /* These must appear regardless of . */\n\ | |
856 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
857 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
858 | }\n\n"; | |
859 | else if (link_info.relocateable == true) | |
860 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
861 | \"elf32-littlemips\")\n\ | |
862 | OUTPUT_ARCH(mips)\n\ | |
863 | ENTRY(_start)\n\ | |
864 | /* For some reason, the Solaris linker makes bad executables\n\ | |
865 | if gld -r is used and the intermediate file has sections starting\n\ | |
866 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\ | |
867 | bug. But for now assigning the zero vmas works. */\n\ | |
868 | SECTIONS\n\ | |
869 | {\n\ | |
870 | /* Read-only sections, merged into text segment: */\n\ | |
871 | .interp 0 : { *(.interp) }\n\ | |
872 | .reginfo 0 : { *(.reginfo) }\n\ | |
873 | .dynamic 0 : { *(.dynamic) }\n\ | |
874 | .dynstr 0 : { *(.dynstr) }\n\ | |
875 | .dynsym 0 : { *(.dynsym) }\n\ | |
876 | .hash 0 : { *(.hash) }\n\ | |
877 | .rel.text 0 : { *(.rel.text) }\n\ | |
878 | .rela.text 0 : { *(.rela.text) }\n\ | |
879 | .rel.data 0 : { *(.rel.data) }\n\ | |
880 | .rela.data 0 : { *(.rela.data) }\n\ | |
881 | .rel.rodata 0 : { *(.rel.rodata) }\n\ | |
882 | .rela.rodata 0 : { *(.rela.rodata) }\n\ | |
883 | .rel.got 0 : { *(.rel.got) }\n\ | |
884 | .rela.got 0 : { *(.rela.got) }\n\ | |
885 | .rel.ctors 0 : { *(.rel.ctors) }\n\ | |
886 | .rela.ctors 0 : { *(.rela.ctors) }\n\ | |
887 | .rel.dtors 0 : { *(.rel.dtors) }\n\ | |
888 | .rela.dtors 0 : { *(.rela.dtors) }\n\ | |
889 | .rel.init 0 : { *(.rel.init) }\n\ | |
890 | .rela.init 0 : { *(.rela.init) }\n\ | |
891 | .rel.fini 0 : { *(.rel.fini) }\n\ | |
892 | .rela.fini 0 : { *(.rela.fini) }\n\ | |
893 | .rel.bss 0 : { *(.rel.bss) }\n\ | |
894 | .rela.bss 0 : { *(.rela.bss) }\n\ | |
895 | .rel.plt 0 : { *(.rel.plt) }\n\ | |
896 | .rela.plt 0 : { *(.rela.plt) }\n\ | |
897 | .rodata 0 : { *(.rodata) }\n\ | |
898 | .rodata1 0 : { *(.rodata1) }\n\ | |
899 | .init 0 : { *(.init) } =0\n\ | |
900 | .text 0 :\n\ | |
901 | {\n\ | |
902 | *(.text)\n\ | |
903 | *(.stub)\n\ | |
904 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
905 | *(.gnu.warning)\n\ | |
906 | } =0\n\ | |
907 | .fini 0 : { *(.fini) } =0\n\ | |
908 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
909 | the same address within the page on the next page up. It would\n\ | |
910 | be more correct to do this:\n\ | |
911 | The current expression does not correctly handle the case of a\n\ | |
912 | text segment ending precisely at the end of a page; it causes the\n\ | |
913 | data segment to skip a page. The above expression does not have\n\ | |
914 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
915 | a single segment, combining both text and data, for this case.\n\ | |
916 | This will prevent the text segment from being shared among\n\ | |
917 | multiple executions of the program; I think that is more\n\ | |
918 | important than losing a page of the virtual address space (note\n\ | |
919 | that no actual memory is lost; the page which is skipped can not\n\ | |
920 | be referenced). */\n\ | |
921 | .data 0 :\n\ | |
922 | {\n\ | |
923 | *(.data)\n\ | |
924 | }\n\ | |
925 | .data1 0 : { *(.data1) }\n\ | |
926 | .ctors 0 : { *(.ctors) }\n\ | |
927 | .dtors 0 : { *(.dtors) }\n\ | |
928 | .got 0 :\n\ | |
929 | {\n\ | |
930 | *(.got.plt) *(.got)\n\ | |
931 | }\n\ | |
932 | /* We want the small data sections together, so single-instruction offsets\n\ | |
933 | can access them all, and initialized data all before uninitialized, so\n\ | |
934 | we can shorten the on-disk segment size. */\n\ | |
935 | .sdata 0 : { *(.sdata) }\n\ | |
936 | .sbss 0 : { *(.sbss) *(.scommon) }\n\ | |
937 | .bss 0 :\n\ | |
938 | {\n\ | |
939 | *(.dynbss)\n\ | |
940 | *(.bss)\n\ | |
941 | *(COMMON)\n\ | |
942 | }\n\ | |
943 | /* These are needed for ELF backends which have not yet been\n\ | |
944 | converted to the new style linker. */\n\ | |
945 | .stab 0 : { *(.stab) }\n\ | |
946 | .stabstr 0 : { *(.stabstr) }\n\ | |
947 | /* DWARF debug sections.\n\ | |
948 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
949 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
950 | for the others. */\n\ | |
951 | .debug 0 : { *(.debug) }\n\ | |
952 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
953 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
954 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
955 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
956 | .line 0 : { *(.line) }\n\ | |
957 | /* These must appear regardless of . */\n\ | |
958 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
959 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
960 | }\n\n"; | |
961 | else if (!config.text_read_only) | |
962 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
963 | \"elf32-littlemips\")\n\ | |
964 | OUTPUT_ARCH(mips)\n\ | |
965 | ENTRY(_start)\n\ | |
966 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
967 | /* Do we need any of these for elf?\n\ | |
968 | __DYNAMIC = 0; */\n\ | |
969 | SECTIONS\n\ | |
970 | {\n\ | |
971 | /* Read-only sections, merged into text segment: */\n\ | |
972 | . = 0x0400000;\n\ | |
973 | .interp : { *(.interp) }\n\ | |
974 | .reginfo : { *(.reginfo) }\n\ | |
975 | .dynamic : { *(.dynamic) }\n\ | |
976 | .dynstr : { *(.dynstr) }\n\ | |
977 | .dynsym : { *(.dynsym) }\n\ | |
978 | .hash : { *(.hash) }\n\ | |
979 | .rel.text : { *(.rel.text) }\n\ | |
980 | .rela.text : { *(.rela.text) }\n\ | |
981 | .rel.data : { *(.rel.data) }\n\ | |
982 | .rela.data : { *(.rela.data) }\n\ | |
983 | .rel.rodata : { *(.rel.rodata) }\n\ | |
984 | .rela.rodata : { *(.rela.rodata) }\n\ | |
985 | .rel.got : { *(.rel.got) }\n\ | |
986 | .rela.got : { *(.rela.got) }\n\ | |
987 | .rel.ctors : { *(.rel.ctors) }\n\ | |
988 | .rela.ctors : { *(.rela.ctors) }\n\ | |
989 | .rel.dtors : { *(.rel.dtors) }\n\ | |
990 | .rela.dtors : { *(.rela.dtors) }\n\ | |
991 | .rel.init : { *(.rel.init) }\n\ | |
992 | .rela.init : { *(.rela.init) }\n\ | |
993 | .rel.fini : { *(.rel.fini) }\n\ | |
994 | .rela.fini : { *(.rela.fini) }\n\ | |
995 | .rel.bss : { *(.rel.bss) }\n\ | |
996 | .rela.bss : { *(.rela.bss) }\n\ | |
997 | .rel.plt : { *(.rel.plt) }\n\ | |
998 | .rela.plt : { *(.rela.plt) }\n\ | |
999 | .rodata : { *(.rodata) }\n\ | |
1000 | .rodata1 : { *(.rodata1) }\n\ | |
1001 | .init : { *(.init) } =0\n\ | |
1002 | .text :\n\ | |
1003 | {\n\ | |
1004 | _ftext = . ;\n\ | |
1005 | *(.text)\n\ | |
1006 | *(.stub)\n\ | |
1007 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1008 | *(.gnu.warning)\n\ | |
1009 | } =0\n\ | |
1010 | _etext = .;\n\ | |
1011 | PROVIDE (etext = .);\n\ | |
1012 | .fini : { *(.fini) } =0\n\ | |
1013 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1014 | the same address within the page on the next page up. It would\n\ | |
1015 | be more correct to do this:\n\ | |
1016 | . = .;\n\ | |
1017 | The current expression does not correctly handle the case of a\n\ | |
1018 | text segment ending precisely at the end of a page; it causes the\n\ | |
1019 | data segment to skip a page. The above expression does not have\n\ | |
1020 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1021 | a single segment, combining both text and data, for this case.\n\ | |
1022 | This will prevent the text segment from being shared among\n\ | |
1023 | multiple executions of the program; I think that is more\n\ | |
1024 | important than losing a page of the virtual address space (note\n\ | |
1025 | that no actual memory is lost; the page which is skipped can not\n\ | |
1026 | be referenced). */\n\ | |
1027 | . += . - 0x0400000;\n\ | |
1028 | .data :\n\ | |
1029 | {\n\ | |
1030 | _fdata = . ;\n\ | |
1031 | *(.data)\n\ | |
1032 | CONSTRUCTORS\n\ | |
1033 | }\n\ | |
1034 | .data1 : { *(.data1) }\n\ | |
1035 | .ctors : { *(.ctors) }\n\ | |
1036 | .dtors : { *(.dtors) }\n\ | |
1037 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1038 | .got :\n\ | |
1039 | {\n\ | |
1040 | *(.got.plt) *(.got)\n\ | |
1041 | }\n\ | |
1042 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1043 | can access them all, and initialized data all before uninitialized, so\n\ | |
1044 | we can shorten the on-disk segment size. */\n\ | |
1045 | .sdata : { *(.sdata) }\n\ | |
1046 | .lit8 : { *(.lit8) }\n\ | |
1047 | .lit4 : { *(.lit4) }\n\ | |
1048 | _edata = .;\n\ | |
1049 | PROVIDE (edata = .);\n\ | |
1050 | __bss_start = .;\n\ | |
1051 | _fbss = .;\n\ | |
1052 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1053 | .bss :\n\ | |
1054 | {\n\ | |
1055 | *(.dynbss)\n\ | |
1056 | *(.bss)\n\ | |
1057 | *(COMMON)\n\ | |
1058 | }\n\ | |
1059 | _end = . ;\n\ | |
1060 | PROVIDE (end = .);\n\ | |
1061 | /* These are needed for ELF backends which have not yet been\n\ | |
1062 | converted to the new style linker. */\n\ | |
1063 | .stab 0 : { *(.stab) }\n\ | |
1064 | .stabstr 0 : { *(.stabstr) }\n\ | |
1065 | /* DWARF debug sections.\n\ | |
1066 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1067 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1068 | for the others. */\n\ | |
1069 | .debug 0 : { *(.debug) }\n\ | |
1070 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1071 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1072 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1073 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1074 | .line 0 : { *(.line) }\n\ | |
1075 | /* These must appear regardless of . */\n\ | |
1076 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1077 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1078 | }\n\n"; | |
1079 | else if (!config.magic_demand_paged) | |
1080 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
1081 | \"elf32-littlemips\")\n\ | |
1082 | OUTPUT_ARCH(mips)\n\ | |
1083 | ENTRY(_start)\n\ | |
1084 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
1085 | /* Do we need any of these for elf?\n\ | |
1086 | __DYNAMIC = 0; */\n\ | |
1087 | SECTIONS\n\ | |
1088 | {\n\ | |
1089 | /* Read-only sections, merged into text segment: */\n\ | |
1090 | . = 0x0400000;\n\ | |
1091 | .interp : { *(.interp) }\n\ | |
1092 | .reginfo : { *(.reginfo) }\n\ | |
1093 | .dynamic : { *(.dynamic) }\n\ | |
1094 | .dynstr : { *(.dynstr) }\n\ | |
1095 | .dynsym : { *(.dynsym) }\n\ | |
1096 | .hash : { *(.hash) }\n\ | |
1097 | .rel.text : { *(.rel.text) }\n\ | |
1098 | .rela.text : { *(.rela.text) }\n\ | |
1099 | .rel.data : { *(.rel.data) }\n\ | |
1100 | .rela.data : { *(.rela.data) }\n\ | |
1101 | .rel.rodata : { *(.rel.rodata) }\n\ | |
1102 | .rela.rodata : { *(.rela.rodata) }\n\ | |
1103 | .rel.got : { *(.rel.got) }\n\ | |
1104 | .rela.got : { *(.rela.got) }\n\ | |
1105 | .rel.ctors : { *(.rel.ctors) }\n\ | |
1106 | .rela.ctors : { *(.rela.ctors) }\n\ | |
1107 | .rel.dtors : { *(.rel.dtors) }\n\ | |
1108 | .rela.dtors : { *(.rela.dtors) }\n\ | |
1109 | .rel.init : { *(.rel.init) }\n\ | |
1110 | .rela.init : { *(.rela.init) }\n\ | |
1111 | .rel.fini : { *(.rel.fini) }\n\ | |
1112 | .rela.fini : { *(.rela.fini) }\n\ | |
1113 | .rel.bss : { *(.rel.bss) }\n\ | |
1114 | .rela.bss : { *(.rela.bss) }\n\ | |
1115 | .rel.plt : { *(.rel.plt) }\n\ | |
1116 | .rela.plt : { *(.rela.plt) }\n\ | |
1117 | .rodata : { *(.rodata) }\n\ | |
1118 | .rodata1 : { *(.rodata1) }\n\ | |
1119 | .init : { *(.init) } =0\n\ | |
1120 | .text :\n\ | |
1121 | {\n\ | |
1122 | _ftext = . ;\n\ | |
1123 | *(.text)\n\ | |
1124 | *(.stub)\n\ | |
1125 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1126 | *(.gnu.warning)\n\ | |
1127 | } =0\n\ | |
1128 | _etext = .;\n\ | |
1129 | PROVIDE (etext = .);\n\ | |
1130 | .fini : { *(.fini) } =0\n\ | |
1131 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1132 | the same address within the page on the next page up. It would\n\ | |
1133 | be more correct to do this:\n\ | |
1134 | . = 0x10000000;\n\ | |
1135 | The current expression does not correctly handle the case of a\n\ | |
1136 | text segment ending precisely at the end of a page; it causes the\n\ | |
1137 | data segment to skip a page. The above expression does not have\n\ | |
1138 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1139 | a single segment, combining both text and data, for this case.\n\ | |
1140 | This will prevent the text segment from being shared among\n\ | |
1141 | multiple executions of the program; I think that is more\n\ | |
1142 | important than losing a page of the virtual address space (note\n\ | |
1143 | that no actual memory is lost; the page which is skipped can not\n\ | |
1144 | be referenced). */\n\ | |
1145 | . += 0x10000000 - 0x0400000;\n\ | |
1146 | .data :\n\ | |
1147 | {\n\ | |
1148 | _fdata = . ;\n\ | |
1149 | *(.data)\n\ | |
1150 | CONSTRUCTORS\n\ | |
1151 | }\n\ | |
1152 | .data1 : { *(.data1) }\n\ | |
1153 | .ctors : { *(.ctors) }\n\ | |
1154 | .dtors : { *(.dtors) }\n\ | |
1155 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1156 | .got :\n\ | |
1157 | {\n\ | |
1158 | *(.got.plt) *(.got)\n\ | |
1159 | }\n\ | |
1160 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1161 | can access them all, and initialized data all before uninitialized, so\n\ | |
1162 | we can shorten the on-disk segment size. */\n\ | |
1163 | .sdata : { *(.sdata) }\n\ | |
1164 | .lit8 : { *(.lit8) }\n\ | |
1165 | .lit4 : { *(.lit4) }\n\ | |
1166 | _edata = .;\n\ | |
1167 | PROVIDE (edata = .);\n\ | |
1168 | __bss_start = .;\n\ | |
1169 | _fbss = .;\n\ | |
1170 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1171 | .bss :\n\ | |
1172 | {\n\ | |
1173 | *(.dynbss)\n\ | |
1174 | *(.bss)\n\ | |
1175 | *(COMMON)\n\ | |
1176 | }\n\ | |
1177 | _end = . ;\n\ | |
1178 | PROVIDE (end = .);\n\ | |
1179 | /* These are needed for ELF backends which have not yet been\n\ | |
1180 | converted to the new style linker. */\n\ | |
1181 | .stab 0 : { *(.stab) }\n\ | |
1182 | .stabstr 0 : { *(.stabstr) }\n\ | |
1183 | /* DWARF debug sections.\n\ | |
1184 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1185 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1186 | for the others. */\n\ | |
1187 | .debug 0 : { *(.debug) }\n\ | |
1188 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1189 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1190 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1191 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1192 | .line 0 : { *(.line) }\n\ | |
1193 | /* These must appear regardless of . */\n\ | |
1194 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1195 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1196 | }\n\n"; | |
1197 | else if (link_info.shared) | |
1198 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
1199 | \"elf32-littlemips\")\n\ | |
1200 | OUTPUT_ARCH(mips)\n\ | |
1201 | ENTRY(_start)\n\ | |
1202 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
1203 | /* Do we need any of these for elf?\n\ | |
1204 | __DYNAMIC = 0; */\n\ | |
1205 | SECTIONS\n\ | |
1206 | {\n\ | |
1207 | /* Read-only sections, merged into text segment: */\n\ | |
1208 | . = 0x5ffe0000 + SIZEOF_HEADERS;\n\ | |
1209 | .reginfo : { *(.reginfo) }\n\ | |
1210 | .dynamic : { *(.dynamic) }\n\ | |
1211 | .dynstr : { *(.dynstr) }\n\ | |
1212 | .dynsym : { *(.dynsym) }\n\ | |
1213 | .hash : { *(.hash) }\n\ | |
1214 | .rel.text : { *(.rel.text) }\n\ | |
1215 | .rela.text : { *(.rela.text) }\n\ | |
1216 | .rel.data : { *(.rel.data) }\n\ | |
1217 | .rela.data : { *(.rela.data) }\n\ | |
1218 | .rel.rodata : { *(.rel.rodata) }\n\ | |
1219 | .rela.rodata : { *(.rela.rodata) }\n\ | |
1220 | .rel.got : { *(.rel.got) }\n\ | |
1221 | .rela.got : { *(.rela.got) }\n\ | |
1222 | .rel.ctors : { *(.rel.ctors) }\n\ | |
1223 | .rela.ctors : { *(.rela.ctors) }\n\ | |
1224 | .rel.dtors : { *(.rel.dtors) }\n\ | |
1225 | .rela.dtors : { *(.rela.dtors) }\n\ | |
1226 | .rel.init : { *(.rel.init) }\n\ | |
1227 | .rela.init : { *(.rela.init) }\n\ | |
1228 | .rel.fini : { *(.rel.fini) }\n\ | |
1229 | .rela.fini : { *(.rela.fini) }\n\ | |
1230 | .rel.bss : { *(.rel.bss) }\n\ | |
1231 | .rela.bss : { *(.rela.bss) }\n\ | |
1232 | .rel.plt : { *(.rel.plt) }\n\ | |
1233 | .rela.plt : { *(.rela.plt) }\n\ | |
1234 | .rodata : { *(.rodata) }\n\ | |
1235 | .rodata1 : { *(.rodata1) }\n\ | |
1236 | .init : { *(.init) } =0\n\ | |
1237 | .text :\n\ | |
1238 | {\n\ | |
1239 | *(.text)\n\ | |
1240 | *(.stub)\n\ | |
1241 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1242 | *(.gnu.warning)\n\ | |
1243 | } =0\n\ | |
1244 | .fini : { *(.fini) } =0\n\ | |
1245 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1246 | the same address within the page on the next page up. It would\n\ | |
1247 | be more correct to do this:\n\ | |
1248 | . = 0x10000000;\n\ | |
1249 | The current expression does not correctly handle the case of a\n\ | |
1250 | text segment ending precisely at the end of a page; it causes the\n\ | |
1251 | data segment to skip a page. The above expression does not have\n\ | |
1252 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1253 | a single segment, combining both text and data, for this case.\n\ | |
1254 | This will prevent the text segment from being shared among\n\ | |
1255 | multiple executions of the program; I think that is more\n\ | |
1256 | important than losing a page of the virtual address space (note\n\ | |
1257 | that no actual memory is lost; the page which is skipped can not\n\ | |
1258 | be referenced). */\n\ | |
1259 | . += 0x10000;\n\ | |
1260 | .data :\n\ | |
1261 | {\n\ | |
1262 | *(.data)\n\ | |
1263 | CONSTRUCTORS\n\ | |
1264 | }\n\ | |
1265 | .data1 : { *(.data1) }\n\ | |
1266 | .ctors : { *(.ctors) }\n\ | |
1267 | .dtors : { *(.dtors) }\n\ | |
1268 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1269 | .got :\n\ | |
1270 | {\n\ | |
1271 | *(.got.plt) *(.got)\n\ | |
1272 | }\n\ | |
1273 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1274 | can access them all, and initialized data all before uninitialized, so\n\ | |
1275 | we can shorten the on-disk segment size. */\n\ | |
1276 | .sdata : { *(.sdata) }\n\ | |
1277 | .lit8 : { *(.lit8) }\n\ | |
1278 | .lit4 : { *(.lit4) }\n\ | |
1279 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1280 | .bss :\n\ | |
1281 | {\n\ | |
1282 | *(.dynbss)\n\ | |
1283 | *(.bss)\n\ | |
1284 | *(COMMON)\n\ | |
1285 | }\n\ | |
1286 | /* These are needed for ELF backends which have not yet been\n\ | |
1287 | converted to the new style linker. */\n\ | |
1288 | .stab 0 : { *(.stab) }\n\ | |
1289 | .stabstr 0 : { *(.stabstr) }\n\ | |
1290 | /* DWARF debug sections.\n\ | |
1291 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1292 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1293 | for the others. */\n\ | |
1294 | .debug 0 : { *(.debug) }\n\ | |
1295 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1296 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1297 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1298 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1299 | .line 0 : { *(.line) }\n\ | |
1300 | /* These must appear regardless of . */\n\ | |
1301 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1302 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1303 | }\n\n"; | |
1304 | else | |
1305 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
1306 | \"elf32-littlemips\")\n\ | |
1307 | OUTPUT_ARCH(mips)\n\ | |
1308 | ENTRY(_start)\n\ | |
1309 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
1310 | /* Do we need any of these for elf?\n\ | |
1311 | __DYNAMIC = 0; */\n\ | |
1312 | SECTIONS\n\ | |
1313 | {\n\ | |
1314 | /* Read-only sections, merged into text segment: */\n\ | |
1315 | . = 0x0400000;\n\ | |
1316 | .interp : { *(.interp) }\n\ | |
1317 | .reginfo : { *(.reginfo) }\n\ | |
1318 | .dynamic : { *(.dynamic) }\n\ | |
1319 | .dynstr : { *(.dynstr) }\n\ | |
1320 | .dynsym : { *(.dynsym) }\n\ | |
1321 | .hash : { *(.hash) }\n\ | |
1322 | .rel.text : { *(.rel.text) }\n\ | |
1323 | .rela.text : { *(.rela.text) }\n\ | |
1324 | .rel.data : { *(.rel.data) }\n\ | |
1325 | .rela.data : { *(.rela.data) }\n\ | |
1326 | .rel.rodata : { *(.rel.rodata) }\n\ | |
1327 | .rela.rodata : { *(.rela.rodata) }\n\ | |
1328 | .rel.got : { *(.rel.got) }\n\ | |
1329 | .rela.got : { *(.rela.got) }\n\ | |
1330 | .rel.ctors : { *(.rel.ctors) }\n\ | |
1331 | .rela.ctors : { *(.rela.ctors) }\n\ | |
1332 | .rel.dtors : { *(.rel.dtors) }\n\ | |
1333 | .rela.dtors : { *(.rela.dtors) }\n\ | |
1334 | .rel.init : { *(.rel.init) }\n\ | |
1335 | .rela.init : { *(.rela.init) }\n\ | |
1336 | .rel.fini : { *(.rel.fini) }\n\ | |
1337 | .rela.fini : { *(.rela.fini) }\n\ | |
1338 | .rel.bss : { *(.rel.bss) }\n\ | |
1339 | .rela.bss : { *(.rela.bss) }\n\ | |
1340 | .rel.plt : { *(.rel.plt) }\n\ | |
1341 | .rela.plt : { *(.rela.plt) }\n\ | |
1342 | .rodata : { *(.rodata) }\n\ | |
1343 | .rodata1 : { *(.rodata1) }\n\ | |
1344 | .init : { *(.init) } =0\n\ | |
1345 | .text :\n\ | |
1346 | {\n\ | |
1347 | _ftext = . ;\n\ | |
1348 | *(.text)\n\ | |
1349 | *(.stub)\n\ | |
1350 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1351 | *(.gnu.warning)\n\ | |
1352 | } =0\n\ | |
1353 | _etext = .;\n\ | |
1354 | PROVIDE (etext = .);\n\ | |
1355 | .fini : { *(.fini) } =0\n\ | |
1356 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1357 | the same address within the page on the next page up. It would\n\ | |
1358 | be more correct to do this:\n\ | |
1359 | . = 0x10000000;\n\ | |
1360 | The current expression does not correctly handle the case of a\n\ | |
1361 | text segment ending precisely at the end of a page; it causes the\n\ | |
1362 | data segment to skip a page. The above expression does not have\n\ | |
1363 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1364 | a single segment, combining both text and data, for this case.\n\ | |
1365 | This will prevent the text segment from being shared among\n\ | |
1366 | multiple executions of the program; I think that is more\n\ | |
1367 | important than losing a page of the virtual address space (note\n\ | |
1368 | that no actual memory is lost; the page which is skipped can not\n\ | |
1369 | be referenced). */\n\ | |
1370 | . += 0x10000000 - 0x0400000;\n\ | |
1371 | .data :\n\ | |
1372 | {\n\ | |
1373 | _fdata = . ;\n\ | |
1374 | *(.data)\n\ | |
1375 | CONSTRUCTORS\n\ | |
1376 | }\n\ | |
1377 | .data1 : { *(.data1) }\n\ | |
1378 | .ctors : { *(.ctors) }\n\ | |
1379 | .dtors : { *(.dtors) }\n\ | |
1380 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1381 | .got :\n\ | |
1382 | {\n\ | |
1383 | *(.got.plt) *(.got)\n\ | |
1384 | }\n\ | |
1385 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1386 | can access them all, and initialized data all before uninitialized, so\n\ | |
1387 | we can shorten the on-disk segment size. */\n\ | |
1388 | .sdata : { *(.sdata) }\n\ | |
1389 | .lit8 : { *(.lit8) }\n\ | |
1390 | .lit4 : { *(.lit4) }\n\ | |
1391 | _edata = .;\n\ | |
1392 | PROVIDE (edata = .);\n\ | |
1393 | __bss_start = .;\n\ | |
1394 | _fbss = .;\n\ | |
1395 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1396 | .bss :\n\ | |
1397 | {\n\ | |
1398 | *(.dynbss)\n\ | |
1399 | *(.bss)\n\ | |
1400 | *(COMMON)\n\ | |
1401 | }\n\ | |
1402 | _end = . ;\n\ | |
1403 | PROVIDE (end = .);\n\ | |
1404 | /* These are needed for ELF backends which have not yet been\n\ | |
1405 | converted to the new style linker. */\n\ | |
1406 | .stab 0 : { *(.stab) }\n\ | |
1407 | .stabstr 0 : { *(.stabstr) }\n\ | |
1408 | /* DWARF debug sections.\n\ | |
1409 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1410 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1411 | for the others. */\n\ | |
1412 | .debug 0 : { *(.debug) }\n\ | |
1413 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1414 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1415 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1416 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1417 | .line 0 : { *(.line) }\n\ | |
1418 | /* These must appear regardless of . */\n\ | |
1419 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1420 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1421 | }\n\n"; | |
1422 | } | |
1423 | ||
1424 | struct ld_emulation_xfer_struct ld_elf32ebmip_emulation = | |
1425 | { | |
1426 | gldelf32ebmip_before_parse, | |
1427 | syslib_default, | |
1428 | hll_default, | |
1429 | after_parse_default, | |
1430 | gldelf32ebmip_after_open, | |
1431 | after_allocation_default, | |
1432 | set_output_arch_default, | |
1433 | ldemul_default_target, | |
1434 | gldelf32ebmip_before_allocation, | |
1435 | gldelf32ebmip_get_script, | |
1436 | "elf32ebmip", | |
1437 | "elf32-bigmips", | |
1438 | NULL, | |
1439 | NULL, | |
1440 | gldelf32ebmip_open_dynamic_archive, | |
1441 | gldelf32ebmip_place_orphan | |
1442 | }; |