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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 <[email protected]> |
7 | ELF support by Ian Lance Taylor <[email protected]> | |
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" | |
3882b010 | 29 | #include "safe-ctype.h" |
252b5132 RH |
30 | |
31 | #include "bfdlink.h" | |
32 | ||
33 | #include "ld.h" | |
34 | #include "ldmain.h" | |
252b5132 RH |
35 | #include "ldmisc.h" |
36 | #include "ldexp.h" | |
37 | #include "ldlang.h" | |
38 | #include "ldgram.h" | |
b71e2778 AM |
39 | #include "ldfile.h" |
40 | #include "ldemul.h" | |
252b5132 RH |
41 | |
42 | static void gldelf32ebmip_before_parse PARAMS ((void)); | |
43 | static boolean gldelf32ebmip_open_dynamic_archive | |
44 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); | |
45 | static void gldelf32ebmip_after_open PARAMS ((void)); | |
46 | static void gldelf32ebmip_check_needed | |
47 | PARAMS ((lang_input_statement_type *)); | |
48 | static void gldelf32ebmip_stat_needed | |
49 | PARAMS ((lang_input_statement_type *)); | |
50 | static boolean gldelf32ebmip_search_needed | |
51 | PARAMS ((const char *, const char *)); | |
52 | static boolean gldelf32ebmip_try_needed PARAMS ((const char *)); | |
53 | static void gldelf32ebmip_before_allocation PARAMS ((void)); | |
54 | static void gldelf32ebmip_find_statement_assignment | |
55 | PARAMS ((lang_statement_union_type *)); | |
56 | static void gldelf32ebmip_find_exp_assignment PARAMS ((etree_type *)); | |
57 | static boolean gldelf32ebmip_place_orphan | |
58 | PARAMS ((lang_input_statement_type *, asection *)); | |
59 | static void gldelf32ebmip_place_section | |
60 | PARAMS ((lang_statement_union_type *)); | |
61 | static char *gldelf32ebmip_get_script PARAMS ((int *isfile)); | |
62 | ||
63 | static void | |
64 | gldelf32ebmip_before_parse() | |
65 | { | |
66 | ldfile_output_architecture = bfd_arch_mips; | |
67 | config.dynamic_link = true; | |
68 | } | |
69 | ||
70 | /* Try to open a dynamic archive. This is where we know that ELF | |
71 | dynamic libraries have an extension of .so. */ | |
72 | ||
73 | static boolean | |
74 | gldelf32ebmip_open_dynamic_archive (arch, search, entry) | |
75 | const char *arch; | |
76 | search_dirs_type *search; | |
77 | lang_input_statement_type *entry; | |
78 | { | |
79 | const char *filename; | |
80 | char *string; | |
81 | ||
82 | if (! entry->is_archive) | |
83 | return false; | |
84 | ||
85 | filename = entry->filename; | |
86 | ||
87 | string = (char *) xmalloc (strlen (search->name) | |
88 | + strlen (filename) | |
89 | + strlen (arch) | |
90 | + sizeof "/lib.so"); | |
91 | ||
92 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); | |
93 | ||
94 | if (! ldfile_try_open_bfd (string, entry)) | |
95 | { | |
96 | free (string); | |
97 | return false; | |
98 | } | |
99 | ||
100 | entry->filename = string; | |
101 | ||
102 | /* We have found a dynamic object to include in the link. The ELF | |
103 | backend linker will create a DT_NEEDED entry in the .dynamic | |
104 | section naming this file. If this file includes a DT_SONAME | |
105 | entry, it will be used. Otherwise, the ELF linker will just use | |
106 | the name of the file. For an archive found by searching, like | |
107 | this one, the DT_NEEDED entry should consist of just the name of | |
108 | the file, without the path information used to find it. Note | |
109 | that we only need to do this if we have a dynamic object; an | |
110 | archive will never be referenced by a DT_NEEDED entry. | |
111 | ||
112 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not | |
113 | very pretty. I haven't been able to think of anything that is | |
114 | pretty, though. */ | |
115 | if (bfd_check_format (entry->the_bfd, bfd_object) | |
116 | && (entry->the_bfd->flags & DYNAMIC) != 0) | |
117 | { | |
118 | char *needed_name; | |
119 | ||
120 | ASSERT (entry->is_archive && entry->search_dirs_flag); | |
121 | needed_name = (char *) xmalloc (strlen (filename) | |
122 | + strlen (arch) | |
123 | + sizeof "lib.so"); | |
124 | sprintf (needed_name, "lib%s%s.so", filename, arch); | |
125 | bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name); | |
126 | } | |
127 | ||
128 | return true; | |
129 | } | |
130 | ||
131 | ||
132 | /* These variables are required to pass information back and forth | |
133 | between after_open and check_needed and stat_needed. */ | |
134 | ||
135 | static struct bfd_link_needed_list *global_needed; | |
136 | static struct stat global_stat; | |
137 | static boolean global_found; | |
138 | ||
139 | /* This is called after all the input files have been opened. */ | |
140 | ||
141 | static void | |
142 | gldelf32ebmip_after_open () | |
143 | { | |
144 | struct bfd_link_needed_list *needed, *l; | |
145 | ||
146 | /* We only need to worry about this when doing a final link. */ | |
147 | if (link_info.relocateable || link_info.shared) | |
148 | return; | |
149 | ||
150 | /* Get the list of files which appear in DT_NEEDED entries in | |
151 | dynamic objects included in the link (often there will be none). | |
152 | For each such file, we want to track down the corresponding | |
153 | library, and include the symbol table in the link. This is what | |
154 | the runtime dynamic linker will do. Tracking the files down here | |
155 | permits one dynamic object to include another without requiring | |
156 | special action by the person doing the link. Note that the | |
157 | needed list can actually grow while we are stepping through this | |
158 | loop. */ | |
159 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); | |
160 | for (l = needed; l != NULL; l = l->next) | |
161 | { | |
162 | struct bfd_link_needed_list *ll; | |
163 | const char *lib_path; | |
164 | size_t len; | |
165 | search_dirs_type *search; | |
166 | ||
167 | /* If we've already seen this file, skip it. */ | |
168 | for (ll = needed; ll != l; ll = ll->next) | |
169 | if (strcmp (ll->name, l->name) == 0) | |
170 | break; | |
171 | if (ll != l) | |
172 | continue; | |
173 | ||
174 | /* See if this file was included in the link explicitly. */ | |
175 | global_needed = l; | |
176 | global_found = false; | |
177 | lang_for_each_input_file (gldelf32ebmip_check_needed); | |
178 | if (global_found) | |
179 | continue; | |
180 | ||
181 | /* We need to find this file and include the symbol table. We | |
182 | want to search for the file in the same way that the dynamic | |
183 | linker will search. That means that we want to use | |
184 | rpath_link, rpath, then the environment variable | |
185 | LD_LIBRARY_PATH (native only), then the linker script | |
186 | LIB_SEARCH_DIRS. We do not search using the -L arguments. */ | |
187 | if (gldelf32ebmip_search_needed (command_line.rpath_link, | |
188 | l->name)) | |
189 | continue; | |
190 | if (gldelf32ebmip_search_needed (command_line.rpath, l->name)) | |
191 | continue; | |
192 | if (command_line.rpath_link == NULL | |
193 | && command_line.rpath == NULL) | |
194 | { | |
195 | lib_path = (const char *) getenv ("LD_RUN_PATH"); | |
196 | if (gldelf32ebmip_search_needed (lib_path, l->name)) | |
197 | continue; | |
198 | } | |
199 | len = strlen (l->name); | |
200 | for (search = search_head; search != NULL; search = search->next) | |
201 | { | |
202 | char *filename; | |
203 | ||
204 | if (search->cmdline) | |
205 | continue; | |
206 | filename = (char *) xmalloc (strlen (search->name) + len + 2); | |
207 | sprintf (filename, "%s/%s", search->name, l->name); | |
208 | if (gldelf32ebmip_try_needed (filename)) | |
209 | break; | |
210 | free (filename); | |
211 | } | |
212 | if (search != NULL) | |
213 | continue; | |
214 | ||
215 | einfo (_("%P: warning: %s, needed by %B, not found\n"), | |
216 | l->name, l->by); | |
217 | } | |
218 | } | |
219 | ||
220 | /* Search for a needed file in a path. */ | |
221 | ||
222 | static boolean | |
223 | gldelf32ebmip_search_needed (path, name) | |
224 | const char *path; | |
225 | const char *name; | |
226 | { | |
227 | const char *s; | |
228 | size_t len; | |
229 | ||
230 | if (path == NULL || *path == '\0') | |
231 | return false; | |
232 | len = strlen (name); | |
233 | while (1) | |
234 | { | |
235 | char *filename, *sset; | |
236 | ||
237 | s = strchr (path, ':'); | |
238 | if (s == NULL) | |
239 | s = path + strlen (path); | |
240 | ||
241 | filename = (char *) xmalloc (s - path + len + 2); | |
242 | if (s == path) | |
243 | sset = filename; | |
244 | else | |
245 | { | |
246 | memcpy (filename, path, s - path); | |
247 | filename[s - path] = '/'; | |
248 | sset = filename + (s - path) + 1; | |
249 | } | |
250 | strcpy (sset, name); | |
251 | ||
252 | if (gldelf32ebmip_try_needed (filename)) | |
253 | return true; | |
254 | ||
255 | free (filename); | |
256 | ||
257 | if (*s == '\0') | |
258 | break; | |
259 | path = s + 1; | |
260 | } | |
261 | ||
262 | return false; | |
263 | } | |
264 | ||
265 | /* This function is called for each possible name for a dynamic object | |
266 | named by a DT_NEEDED entry. */ | |
267 | ||
268 | static boolean | |
269 | gldelf32ebmip_try_needed (name) | |
270 | const char *name; | |
271 | { | |
272 | bfd *abfd; | |
273 | ||
274 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); | |
275 | if (abfd == NULL) | |
276 | return false; | |
277 | if (! bfd_check_format (abfd, bfd_object)) | |
278 | { | |
279 | (void) bfd_close (abfd); | |
280 | return false; | |
281 | } | |
282 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) | |
283 | { | |
284 | (void) bfd_close (abfd); | |
285 | return false; | |
286 | } | |
287 | ||
288 | /* We've found a dynamic object matching the DT_NEEDED entry. */ | |
289 | ||
290 | /* We have already checked that there is no other input file of the | |
291 | same name. We must now check again that we are not including the | |
292 | same file twice. We need to do this because on many systems | |
293 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will | |
294 | reference libc.so.1. If we have already included libc.so, we | |
295 | don't want to include libc.so.1 if they are the same file, and we | |
296 | can only check that using stat. */ | |
297 | ||
298 | if (bfd_stat (abfd, &global_stat) != 0) | |
299 | einfo (_("%F%P:%B: bfd_stat failed: %E\n"), abfd); | |
300 | global_found = false; | |
301 | lang_for_each_input_file (gldelf32ebmip_stat_needed); | |
302 | if (global_found) | |
303 | { | |
304 | /* Return true to indicate that we found the file, even though | |
305 | we aren't going to do anything with it. */ | |
306 | return true; | |
307 | } | |
308 | ||
309 | /* Tell the ELF backend that don't want the output file to have a | |
310 | DT_NEEDED entry for this file. */ | |
311 | bfd_elf_set_dt_needed_name (abfd, ""); | |
312 | ||
313 | /* Add this file into the symbol table. */ | |
314 | if (! bfd_link_add_symbols (abfd, &link_info)) | |
315 | einfo (_("%F%B: could not read symbols: %E\n"), abfd); | |
316 | ||
317 | return true; | |
318 | } | |
319 | ||
320 | /* See if an input file matches a DT_NEEDED entry by name. */ | |
321 | ||
322 | static void | |
323 | gldelf32ebmip_check_needed (s) | |
324 | lang_input_statement_type *s; | |
325 | { | |
326 | if (global_found) | |
327 | return; | |
328 | ||
329 | if (s->filename != NULL | |
330 | && strcmp (s->filename, global_needed->name) == 0) | |
331 | { | |
332 | global_found = true; | |
333 | return; | |
334 | } | |
335 | ||
336 | if (s->the_bfd != NULL) | |
337 | { | |
338 | const char *soname; | |
339 | ||
340 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
341 | if (soname != NULL | |
342 | && strcmp (soname, global_needed->name) == 0) | |
343 | { | |
344 | global_found = true; | |
345 | return; | |
346 | } | |
347 | } | |
348 | ||
349 | if (s->search_dirs_flag | |
350 | && s->filename != NULL | |
351 | && strchr (global_needed->name, '/') == NULL) | |
352 | { | |
353 | const char *f; | |
354 | ||
355 | f = strrchr (s->filename, '/'); | |
356 | if (f != NULL | |
357 | && strcmp (f + 1, global_needed->name) == 0) | |
358 | { | |
359 | global_found = true; | |
360 | return; | |
361 | } | |
362 | } | |
363 | } | |
364 | ||
365 | /* See if an input file matches a DT_NEEDED entry by running stat on | |
366 | the file. */ | |
367 | ||
368 | static void | |
369 | gldelf32ebmip_stat_needed (s) | |
370 | lang_input_statement_type *s; | |
371 | { | |
372 | struct stat st; | |
373 | const char *suffix; | |
374 | const char *soname; | |
375 | const char *f; | |
376 | ||
377 | if (global_found) | |
378 | return; | |
379 | if (s->the_bfd == NULL) | |
380 | return; | |
381 | ||
382 | if (bfd_stat (s->the_bfd, &st) != 0) | |
383 | { | |
384 | einfo (_("%P:%B: bfd_stat failed: %E\n"), s->the_bfd); | |
385 | return; | |
386 | } | |
387 | ||
388 | if (st.st_dev == global_stat.st_dev | |
389 | && st.st_ino == global_stat.st_ino) | |
390 | { | |
391 | global_found = true; | |
392 | return; | |
393 | } | |
394 | ||
395 | /* We issue a warning if it looks like we are including two | |
396 | different versions of the same shared library. For example, | |
397 | there may be a problem if -lc picks up libc.so.6 but some other | |
398 | shared library has a DT_NEEDED entry of libc.so.5. This is a | |
399 | hueristic test, and it will only work if the name looks like | |
400 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. | |
401 | If we really want to issue warnings about mixing version numbers | |
402 | of shared libraries, we need to find a better way. */ | |
403 | ||
404 | if (strchr (global_needed->name, '/') != NULL) | |
405 | return; | |
406 | suffix = strstr (global_needed->name, ".so."); | |
407 | if (suffix == NULL) | |
408 | return; | |
409 | suffix += sizeof ".so." - 1; | |
410 | ||
411 | soname = bfd_elf_get_dt_soname (s->the_bfd); | |
412 | if (soname == NULL) | |
413 | soname = s->filename; | |
414 | ||
415 | f = strrchr (soname, '/'); | |
416 | if (f != NULL) | |
417 | ++f; | |
418 | else | |
419 | f = soname; | |
420 | ||
421 | if (strncmp (f, global_needed->name, suffix - global_needed->name) == 0) | |
422 | einfo (_("%P: warning: %s, needed by %B, may conflict with %s\n"), | |
423 | global_needed->name, global_needed->by, f); | |
424 | } | |
425 | ||
426 | /* This is called after the sections have been attached to output | |
427 | sections, but before any sizes or addresses have been set. */ | |
428 | ||
429 | static void | |
430 | gldelf32ebmip_before_allocation () | |
431 | { | |
432 | const char *rpath; | |
433 | asection *sinterp; | |
434 | ||
435 | /* If we are going to make any variable assignments, we need to let | |
436 | the ELF backend know about them in case the variables are | |
437 | referred to by dynamic objects. */ | |
438 | lang_for_each_statement (gldelf32ebmip_find_statement_assignment); | |
439 | ||
440 | /* Let the ELF backend work out the sizes of any sections required | |
441 | by dynamic linking. */ | |
442 | rpath = command_line.rpath; | |
443 | if (rpath == NULL) | |
444 | rpath = (const char *) getenv ("LD_RUN_PATH"); | |
b71e2778 AM |
445 | if (! (bfd_elf32_size_dynamic_sections |
446 | (output_bfd, command_line.soname, rpath, | |
605d9b3a | 447 | command_line.filter_shlib, |
b71e2778 AM |
448 | (const char * const *) command_line.auxiliary_filters, |
449 | &link_info, &sinterp, lang_elf_version_info))) | |
252b5132 RH |
450 | einfo (_("%P%F: failed to set dynamic section sizes: %E\n")); |
451 | ||
452 | /* Let the user override the dynamic linker we are using. */ | |
453 | if (command_line.interpreter != NULL | |
454 | && sinterp != NULL) | |
455 | { | |
456 | sinterp->contents = (bfd_byte *) command_line.interpreter; | |
457 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; | |
458 | } | |
459 | ||
460 | /* Look for any sections named .gnu.warning. As a GNU extensions, | |
461 | we treat such sections as containing warning messages. We print | |
462 | out the warning message, and then zero out the section size so | |
463 | that it does not get copied into the output file. */ | |
464 | ||
465 | { | |
466 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
467 | { | |
468 | asection *s; | |
469 | bfd_size_type sz; | |
470 | char *msg; | |
471 | boolean ret; | |
472 | ||
473 | if (is->just_syms_flag) | |
474 | continue; | |
475 | ||
476 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); | |
477 | if (s == NULL) | |
478 | continue; | |
479 | ||
480 | sz = bfd_section_size (is->the_bfd, s); | |
481 | msg = xmalloc ((size_t) sz + 1); | |
482 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) | |
483 | einfo (_("%F%B: Can't read contents of section .gnu.warning: %E\n"), | |
484 | is->the_bfd); | |
485 | msg[sz] = '\0'; | |
486 | ret = link_info.callbacks->warning (&link_info, msg, | |
487 | (const char *) NULL, | |
488 | is->the_bfd, (asection *) NULL, | |
489 | (bfd_vma) 0); | |
490 | ASSERT (ret); | |
491 | free (msg); | |
492 | ||
493 | /* Clobber the section size, so that we don't waste copying the | |
494 | warning into the output file. */ | |
495 | s->_raw_size = 0; | |
496 | } | |
497 | } | |
498 | } | |
499 | ||
500 | /* This is called by the before_allocation routine via | |
501 | lang_for_each_statement. It locates any assignment statements, and | |
502 | tells the ELF backend about them, in case they are assignments to | |
503 | symbols which are referred to by dynamic objects. */ | |
504 | ||
505 | static void | |
506 | gldelf32ebmip_find_statement_assignment (s) | |
507 | lang_statement_union_type *s; | |
508 | { | |
509 | if (s->header.type == lang_assignment_statement_enum) | |
510 | gldelf32ebmip_find_exp_assignment (s->assignment_statement.exp); | |
511 | } | |
512 | ||
513 | /* Look through an expression for an assignment statement. */ | |
514 | ||
515 | static void | |
516 | gldelf32ebmip_find_exp_assignment (exp) | |
517 | etree_type *exp; | |
518 | { | |
519 | struct bfd_link_hash_entry *h; | |
520 | ||
521 | switch (exp->type.node_class) | |
522 | { | |
523 | case etree_provide: | |
b46a87b1 | 524 | case etree_provided: |
252b5132 RH |
525 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, |
526 | false, false, false); | |
527 | if (h == NULL) | |
528 | break; | |
529 | ||
530 | /* We call record_link_assignment even if the symbol is defined. | |
531 | This is because if it is defined by a dynamic object, we | |
532 | actually want to use the value defined by the linker script, | |
533 | not the value from the dynamic object (because we are setting | |
534 | symbols like etext). If the symbol is defined by a regular | |
535 | object, then, as it happens, calling record_link_assignment | |
536 | will do no harm. */ | |
537 | ||
538 | /* Fall through. */ | |
539 | case etree_assign: | |
540 | if (strcmp (exp->assign.dst, ".") != 0) | |
541 | { | |
542 | if (! (bfd_elf32_record_link_assignment | |
543 | (output_bfd, &link_info, exp->assign.dst, | |
b46a87b1 | 544 | exp->type.node_class != etree_assign ? true : false))) |
252b5132 RH |
545 | einfo (_("%P%F: failed to record assignment to %s: %E\n"), |
546 | exp->assign.dst); | |
547 | } | |
548 | gldelf32ebmip_find_exp_assignment (exp->assign.src); | |
549 | break; | |
550 | ||
551 | case etree_binary: | |
552 | gldelf32ebmip_find_exp_assignment (exp->binary.lhs); | |
553 | gldelf32ebmip_find_exp_assignment (exp->binary.rhs); | |
554 | break; | |
555 | ||
556 | case etree_trinary: | |
557 | gldelf32ebmip_find_exp_assignment (exp->trinary.cond); | |
558 | gldelf32ebmip_find_exp_assignment (exp->trinary.lhs); | |
559 | gldelf32ebmip_find_exp_assignment (exp->trinary.rhs); | |
560 | break; | |
561 | ||
562 | case etree_unary: | |
563 | gldelf32ebmip_find_exp_assignment (exp->unary.child); | |
564 | break; | |
565 | ||
566 | default: | |
567 | break; | |
568 | } | |
569 | } | |
570 | ||
571 | /* Place an orphan section. We use this to put random SHF_ALLOC | |
572 | sections in the right segment. */ | |
573 | ||
574 | static asection *hold_section; | |
575 | static lang_output_section_statement_type *hold_use; | |
576 | static lang_output_section_statement_type *hold_text; | |
577 | static lang_output_section_statement_type *hold_rodata; | |
578 | static lang_output_section_statement_type *hold_data; | |
579 | static lang_output_section_statement_type *hold_bss; | |
580 | static lang_output_section_statement_type *hold_rel; | |
581 | ||
582 | /*ARGSUSED*/ | |
583 | static boolean | |
584 | gldelf32ebmip_place_orphan (file, s) | |
585 | lang_input_statement_type *file; | |
586 | asection *s; | |
587 | { | |
588 | lang_output_section_statement_type *place; | |
589 | asection *snew, **pps; | |
590 | lang_statement_list_type *old; | |
591 | lang_statement_list_type add; | |
592 | etree_type *address; | |
593 | const char *secname, *ps; | |
594 | lang_output_section_statement_type *os; | |
595 | ||
596 | if ((s->flags & SEC_ALLOC) == 0) | |
597 | return false; | |
598 | ||
599 | /* Look through the script to see where to place this section. */ | |
600 | hold_section = s; | |
601 | hold_use = NULL; | |
602 | lang_for_each_statement (gldelf32ebmip_place_section); | |
603 | ||
604 | if (hold_use != NULL) | |
605 | { | |
606 | /* We have already placed a section with this name. */ | |
39dcfe18 | 607 | lang_add_section (&hold_use->children, s, hold_use, file); |
252b5132 RH |
608 | return true; |
609 | } | |
610 | ||
611 | secname = bfd_get_section_name (s->owner, s); | |
612 | ||
613 | /* If this is a final link, then always put .gnu.warning.SYMBOL | |
614 | sections into the .text section to get them out of the way. */ | |
615 | if (! link_info.shared | |
616 | && ! link_info.relocateable | |
617 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 | |
618 | && hold_text != NULL) | |
619 | { | |
39dcfe18 | 620 | lang_add_section (&hold_text->children, s, hold_text, file); |
252b5132 RH |
621 | return true; |
622 | } | |
623 | ||
624 | /* Decide which segment the section should go in based on the | |
625 | section name and section flags. */ | |
626 | place = NULL; | |
627 | if ((s->flags & SEC_HAS_CONTENTS) == 0 | |
628 | && hold_bss != NULL) | |
629 | place = hold_bss; | |
630 | else if ((s->flags & SEC_READONLY) == 0 | |
631 | && hold_data != NULL) | |
632 | place = hold_data; | |
633 | else if (strncmp (secname, ".rel", 4) == 0 | |
634 | && hold_rel != NULL) | |
635 | place = hold_rel; | |
636 | else if ((s->flags & SEC_CODE) == 0 | |
637 | && (s->flags & SEC_READONLY) != 0 | |
638 | && hold_rodata != NULL) | |
639 | place = hold_rodata; | |
640 | else if ((s->flags & SEC_READONLY) != 0 | |
641 | && hold_text != NULL) | |
642 | place = hold_text; | |
643 | if (place == NULL) | |
644 | return false; | |
645 | ||
646 | /* Create the section in the output file, and put it in the right | |
647 | place. This shuffling is to make the output file look neater. */ | |
648 | snew = bfd_make_section (output_bfd, secname); | |
649 | if (snew == NULL) | |
650 | einfo (_("%P%F: output format %s cannot represent section called %s\n"), | |
651 | output_bfd->xvec->name, secname); | |
652 | if (place->bfd_section != NULL) | |
653 | { | |
654 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) | |
655 | ; | |
656 | *pps = snew->next; | |
657 | snew->next = place->bfd_section->next; | |
658 | place->bfd_section->next = snew; | |
659 | } | |
660 | ||
661 | /* Start building a list of statements for this section. */ | |
662 | old = stat_ptr; | |
663 | stat_ptr = &add; | |
664 | lang_list_init (stat_ptr); | |
665 | ||
666 | /* If the name of the section is representable in C, then create | |
667 | symbols to mark the start and the end of the section. */ | |
668 | for (ps = secname; *ps != '\0'; ps++) | |
3882b010 | 669 | if (! ISALNUM (*ps) && *ps != '_') |
252b5132 RH |
670 | break; |
671 | if (*ps == '\0' && config.build_constructors) | |
672 | { | |
673 | char *symname; | |
674 | ||
675 | symname = (char *) xmalloc (ps - secname + sizeof "__start_"); | |
676 | sprintf (symname, "__start_%s", secname); | |
677 | lang_add_assignment (exp_assop ('=', symname, | |
678 | exp_unop (ALIGN_K, | |
679 | exp_intop ((bfd_vma) 1 | |
680 | << s->alignment_power)))); | |
681 | } | |
682 | ||
683 | if (! link_info.relocateable) | |
684 | address = NULL; | |
685 | else | |
686 | address = exp_intop ((bfd_vma) 0); | |
687 | ||
688 | lang_enter_output_section_statement (secname, address, 0, | |
689 | (bfd_vma) 0, | |
690 | (etree_type *) NULL, | |
691 | (etree_type *) NULL, | |
692 | (etree_type *) NULL); | |
693 | ||
694 | os = lang_output_section_statement_lookup (secname); | |
39dcfe18 | 695 | lang_add_section (&os->children, s, os, file); |
252b5132 | 696 | |
b71e2778 AM |
697 | lang_leave_output_section_statement |
698 | ((bfd_vma) 0, "*default*", | |
699 | (struct lang_output_section_phdr_list *) NULL, "*default*"); | |
252b5132 RH |
700 | stat_ptr = &add; |
701 | ||
702 | if (*ps == '\0' && config.build_constructors) | |
703 | { | |
704 | char *symname; | |
705 | ||
706 | symname = (char *) xmalloc (ps - secname + sizeof "__stop_"); | |
707 | sprintf (symname, "__stop_%s", secname); | |
708 | lang_add_assignment (exp_assop ('=', symname, | |
709 | exp_nameop (NAME, "."))); | |
710 | } | |
711 | ||
712 | /* Now stick the new statement list right after PLACE. */ | |
713 | *add.tail = place->header.next; | |
714 | place->header.next = add.head; | |
715 | ||
716 | stat_ptr = old; | |
717 | ||
718 | return true; | |
719 | } | |
720 | ||
721 | static void | |
722 | gldelf32ebmip_place_section (s) | |
723 | lang_statement_union_type *s; | |
724 | { | |
725 | lang_output_section_statement_type *os; | |
726 | ||
727 | if (s->header.type != lang_output_section_statement_enum) | |
728 | return; | |
729 | ||
730 | os = &s->output_section_statement; | |
731 | ||
732 | if (strcmp (os->name, hold_section->name) == 0) | |
733 | hold_use = os; | |
734 | ||
735 | if (strcmp (os->name, ".text") == 0) | |
736 | hold_text = os; | |
737 | else if (strcmp (os->name, ".rodata") == 0) | |
738 | hold_rodata = os; | |
739 | else if (strcmp (os->name, ".data") == 0) | |
740 | hold_data = os; | |
741 | else if (strcmp (os->name, ".bss") == 0) | |
742 | hold_bss = os; | |
743 | else if (hold_rel == NULL | |
744 | && os->bfd_section != NULL | |
745 | && strncmp (os->name, ".rel", 4) == 0) | |
746 | hold_rel = os; | |
747 | } | |
748 | ||
749 | static char * | |
750 | gldelf32ebmip_get_script(isfile) | |
751 | int *isfile; | |
752 | { | |
753 | *isfile = 0; | |
754 | ||
755 | if (link_info.relocateable == true && config.build_constructors == true) | |
756 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
757 | \"elf32-littlemips\")\n\ | |
758 | OUTPUT_ARCH(mips)\n\ | |
759 | ENTRY(_start)\n\ | |
760 | /* For some reason, the Solaris linker makes bad executables\n\ | |
761 | if gld -r is used and the intermediate file has sections starting\n\ | |
762 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\ | |
763 | bug. But for now assigning the zero vmas works. */\n\ | |
764 | SECTIONS\n\ | |
765 | {\n\ | |
766 | /* Read-only sections, merged into text segment: */\n\ | |
767 | .interp 0 : { *(.interp) }\n\ | |
768 | .reginfo 0 : { *(.reginfo) }\n\ | |
769 | .dynamic 0 : { *(.dynamic) }\n\ | |
770 | .dynstr 0 : { *(.dynstr) }\n\ | |
771 | .dynsym 0 : { *(.dynsym) }\n\ | |
772 | .hash 0 : { *(.hash) }\n\ | |
773 | .rel.text 0 : { *(.rel.text) }\n\ | |
774 | .rela.text 0 : { *(.rela.text) }\n\ | |
775 | .rel.data 0 : { *(.rel.data) }\n\ | |
776 | .rela.data 0 : { *(.rela.data) }\n\ | |
777 | .rel.rodata 0 : { *(.rel.rodata) }\n\ | |
778 | .rela.rodata 0 : { *(.rela.rodata) }\n\ | |
779 | .rel.got 0 : { *(.rel.got) }\n\ | |
780 | .rela.got 0 : { *(.rela.got) }\n\ | |
781 | .rel.ctors 0 : { *(.rel.ctors) }\n\ | |
782 | .rela.ctors 0 : { *(.rela.ctors) }\n\ | |
783 | .rel.dtors 0 : { *(.rel.dtors) }\n\ | |
784 | .rela.dtors 0 : { *(.rela.dtors) }\n\ | |
785 | .rel.init 0 : { *(.rel.init) }\n\ | |
786 | .rela.init 0 : { *(.rela.init) }\n\ | |
787 | .rel.fini 0 : { *(.rel.fini) }\n\ | |
788 | .rela.fini 0 : { *(.rela.fini) }\n\ | |
789 | .rel.bss 0 : { *(.rel.bss) }\n\ | |
790 | .rela.bss 0 : { *(.rela.bss) }\n\ | |
791 | .rel.plt 0 : { *(.rel.plt) }\n\ | |
792 | .rela.plt 0 : { *(.rela.plt) }\n\ | |
793 | .rodata 0 : { *(.rodata) }\n\ | |
794 | .rodata1 0 : { *(.rodata1) }\n\ | |
795 | .init 0 : { *(.init) } =0\n\ | |
796 | .text 0 :\n\ | |
797 | {\n\ | |
798 | *(.text)\n\ | |
799 | *(.stub)\n\ | |
800 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
801 | *(.gnu.warning)\n\ | |
802 | } =0\n\ | |
803 | .fini 0 : { *(.fini) } =0\n\ | |
804 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
805 | the same address within the page on the next page up. It would\n\ | |
806 | be more correct to do this:\n\ | |
807 | The current expression does not correctly handle the case of a\n\ | |
808 | text segment ending precisely at the end of a page; it causes the\n\ | |
809 | data segment to skip a page. The above expression does not have\n\ | |
810 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
811 | a single segment, combining both text and data, for this case.\n\ | |
812 | This will prevent the text segment from being shared among\n\ | |
813 | multiple executions of the program; I think that is more\n\ | |
814 | important than losing a page of the virtual address space (note\n\ | |
815 | that no actual memory is lost; the page which is skipped can not\n\ | |
816 | be referenced). */\n\ | |
817 | .data 0 :\n\ | |
818 | {\n\ | |
819 | *(.data)\n\ | |
820 | CONSTRUCTORS\n\ | |
821 | }\n\ | |
822 | .data1 0 : { *(.data1) }\n\ | |
823 | .ctors 0 : { *(.ctors) }\n\ | |
824 | .dtors 0 : { *(.dtors) }\n\ | |
825 | .got 0 :\n\ | |
826 | {\n\ | |
827 | *(.got.plt) *(.got)\n\ | |
828 | }\n\ | |
829 | /* We want the small data sections together, so single-instruction offsets\n\ | |
830 | can access them all, and initialized data all before uninitialized, so\n\ | |
831 | we can shorten the on-disk segment size. */\n\ | |
832 | .sdata 0 : { *(.sdata) }\n\ | |
833 | .sbss 0 : { *(.sbss) *(.scommon) }\n\ | |
834 | .bss 0 :\n\ | |
835 | {\n\ | |
836 | *(.dynbss)\n\ | |
837 | *(.bss)\n\ | |
838 | *(COMMON)\n\ | |
839 | }\n\ | |
840 | /* These are needed for ELF backends which have not yet been\n\ | |
841 | converted to the new style linker. */\n\ | |
842 | .stab 0 : { *(.stab) }\n\ | |
843 | .stabstr 0 : { *(.stabstr) }\n\ | |
844 | /* DWARF debug sections.\n\ | |
845 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
846 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
847 | for the others. */\n\ | |
848 | .debug 0 : { *(.debug) }\n\ | |
849 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
850 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
851 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
852 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
853 | .line 0 : { *(.line) }\n\ | |
854 | /* These must appear regardless of . */\n\ | |
855 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
856 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
857 | }\n\n"; | |
858 | else if (link_info.relocateable == true) | |
859 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
860 | \"elf32-littlemips\")\n\ | |
861 | OUTPUT_ARCH(mips)\n\ | |
862 | ENTRY(_start)\n\ | |
863 | /* For some reason, the Solaris linker makes bad executables\n\ | |
864 | if gld -r is used and the intermediate file has sections starting\n\ | |
865 | at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\ | |
866 | bug. But for now assigning the zero vmas works. */\n\ | |
867 | SECTIONS\n\ | |
868 | {\n\ | |
869 | /* Read-only sections, merged into text segment: */\n\ | |
870 | .interp 0 : { *(.interp) }\n\ | |
871 | .reginfo 0 : { *(.reginfo) }\n\ | |
872 | .dynamic 0 : { *(.dynamic) }\n\ | |
873 | .dynstr 0 : { *(.dynstr) }\n\ | |
874 | .dynsym 0 : { *(.dynsym) }\n\ | |
875 | .hash 0 : { *(.hash) }\n\ | |
876 | .rel.text 0 : { *(.rel.text) }\n\ | |
877 | .rela.text 0 : { *(.rela.text) }\n\ | |
878 | .rel.data 0 : { *(.rel.data) }\n\ | |
879 | .rela.data 0 : { *(.rela.data) }\n\ | |
880 | .rel.rodata 0 : { *(.rel.rodata) }\n\ | |
881 | .rela.rodata 0 : { *(.rela.rodata) }\n\ | |
882 | .rel.got 0 : { *(.rel.got) }\n\ | |
883 | .rela.got 0 : { *(.rela.got) }\n\ | |
884 | .rel.ctors 0 : { *(.rel.ctors) }\n\ | |
885 | .rela.ctors 0 : { *(.rela.ctors) }\n\ | |
886 | .rel.dtors 0 : { *(.rel.dtors) }\n\ | |
887 | .rela.dtors 0 : { *(.rela.dtors) }\n\ | |
888 | .rel.init 0 : { *(.rel.init) }\n\ | |
889 | .rela.init 0 : { *(.rela.init) }\n\ | |
890 | .rel.fini 0 : { *(.rel.fini) }\n\ | |
891 | .rela.fini 0 : { *(.rela.fini) }\n\ | |
892 | .rel.bss 0 : { *(.rel.bss) }\n\ | |
893 | .rela.bss 0 : { *(.rela.bss) }\n\ | |
894 | .rel.plt 0 : { *(.rel.plt) }\n\ | |
895 | .rela.plt 0 : { *(.rela.plt) }\n\ | |
896 | .rodata 0 : { *(.rodata) }\n\ | |
897 | .rodata1 0 : { *(.rodata1) }\n\ | |
898 | .init 0 : { *(.init) } =0\n\ | |
899 | .text 0 :\n\ | |
900 | {\n\ | |
901 | *(.text)\n\ | |
902 | *(.stub)\n\ | |
903 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
904 | *(.gnu.warning)\n\ | |
905 | } =0\n\ | |
906 | .fini 0 : { *(.fini) } =0\n\ | |
907 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
908 | the same address within the page on the next page up. It would\n\ | |
909 | be more correct to do this:\n\ | |
910 | The current expression does not correctly handle the case of a\n\ | |
911 | text segment ending precisely at the end of a page; it causes the\n\ | |
912 | data segment to skip a page. The above expression does not have\n\ | |
913 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
914 | a single segment, combining both text and data, for this case.\n\ | |
915 | This will prevent the text segment from being shared among\n\ | |
916 | multiple executions of the program; I think that is more\n\ | |
917 | important than losing a page of the virtual address space (note\n\ | |
918 | that no actual memory is lost; the page which is skipped can not\n\ | |
919 | be referenced). */\n\ | |
920 | .data 0 :\n\ | |
921 | {\n\ | |
922 | *(.data)\n\ | |
923 | }\n\ | |
924 | .data1 0 : { *(.data1) }\n\ | |
925 | .ctors 0 : { *(.ctors) }\n\ | |
926 | .dtors 0 : { *(.dtors) }\n\ | |
927 | .got 0 :\n\ | |
928 | {\n\ | |
929 | *(.got.plt) *(.got)\n\ | |
930 | }\n\ | |
931 | /* We want the small data sections together, so single-instruction offsets\n\ | |
932 | can access them all, and initialized data all before uninitialized, so\n\ | |
933 | we can shorten the on-disk segment size. */\n\ | |
934 | .sdata 0 : { *(.sdata) }\n\ | |
935 | .sbss 0 : { *(.sbss) *(.scommon) }\n\ | |
936 | .bss 0 :\n\ | |
937 | {\n\ | |
938 | *(.dynbss)\n\ | |
939 | *(.bss)\n\ | |
940 | *(COMMON)\n\ | |
941 | }\n\ | |
942 | /* These are needed for ELF backends which have not yet been\n\ | |
943 | converted to the new style linker. */\n\ | |
944 | .stab 0 : { *(.stab) }\n\ | |
945 | .stabstr 0 : { *(.stabstr) }\n\ | |
946 | /* DWARF debug sections.\n\ | |
947 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
948 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
949 | for the others. */\n\ | |
950 | .debug 0 : { *(.debug) }\n\ | |
951 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
952 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
953 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
954 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
955 | .line 0 : { *(.line) }\n\ | |
956 | /* These must appear regardless of . */\n\ | |
957 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
958 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
959 | }\n\n"; | |
960 | else if (!config.text_read_only) | |
961 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
962 | \"elf32-littlemips\")\n\ | |
963 | OUTPUT_ARCH(mips)\n\ | |
964 | ENTRY(_start)\n\ | |
965 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
966 | /* Do we need any of these for elf?\n\ | |
967 | __DYNAMIC = 0; */\n\ | |
968 | SECTIONS\n\ | |
969 | {\n\ | |
970 | /* Read-only sections, merged into text segment: */\n\ | |
971 | . = 0x0400000;\n\ | |
972 | .interp : { *(.interp) }\n\ | |
973 | .reginfo : { *(.reginfo) }\n\ | |
974 | .dynamic : { *(.dynamic) }\n\ | |
975 | .dynstr : { *(.dynstr) }\n\ | |
976 | .dynsym : { *(.dynsym) }\n\ | |
977 | .hash : { *(.hash) }\n\ | |
978 | .rel.text : { *(.rel.text) }\n\ | |
979 | .rela.text : { *(.rela.text) }\n\ | |
980 | .rel.data : { *(.rel.data) }\n\ | |
981 | .rela.data : { *(.rela.data) }\n\ | |
982 | .rel.rodata : { *(.rel.rodata) }\n\ | |
983 | .rela.rodata : { *(.rela.rodata) }\n\ | |
984 | .rel.got : { *(.rel.got) }\n\ | |
985 | .rela.got : { *(.rela.got) }\n\ | |
986 | .rel.ctors : { *(.rel.ctors) }\n\ | |
987 | .rela.ctors : { *(.rela.ctors) }\n\ | |
988 | .rel.dtors : { *(.rel.dtors) }\n\ | |
989 | .rela.dtors : { *(.rela.dtors) }\n\ | |
990 | .rel.init : { *(.rel.init) }\n\ | |
991 | .rela.init : { *(.rela.init) }\n\ | |
992 | .rel.fini : { *(.rel.fini) }\n\ | |
993 | .rela.fini : { *(.rela.fini) }\n\ | |
994 | .rel.bss : { *(.rel.bss) }\n\ | |
995 | .rela.bss : { *(.rela.bss) }\n\ | |
996 | .rel.plt : { *(.rel.plt) }\n\ | |
997 | .rela.plt : { *(.rela.plt) }\n\ | |
998 | .rodata : { *(.rodata) }\n\ | |
999 | .rodata1 : { *(.rodata1) }\n\ | |
1000 | .init : { *(.init) } =0\n\ | |
1001 | .text :\n\ | |
1002 | {\n\ | |
1003 | _ftext = . ;\n\ | |
1004 | *(.text)\n\ | |
1005 | *(.stub)\n\ | |
1006 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1007 | *(.gnu.warning)\n\ | |
1008 | } =0\n\ | |
1009 | _etext = .;\n\ | |
1010 | PROVIDE (etext = .);\n\ | |
1011 | .fini : { *(.fini) } =0\n\ | |
1012 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1013 | the same address within the page on the next page up. It would\n\ | |
1014 | be more correct to do this:\n\ | |
1015 | . = .;\n\ | |
1016 | The current expression does not correctly handle the case of a\n\ | |
1017 | text segment ending precisely at the end of a page; it causes the\n\ | |
1018 | data segment to skip a page. The above expression does not have\n\ | |
1019 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1020 | a single segment, combining both text and data, for this case.\n\ | |
1021 | This will prevent the text segment from being shared among\n\ | |
1022 | multiple executions of the program; I think that is more\n\ | |
1023 | important than losing a page of the virtual address space (note\n\ | |
1024 | that no actual memory is lost; the page which is skipped can not\n\ | |
1025 | be referenced). */\n\ | |
1026 | . += . - 0x0400000;\n\ | |
1027 | .data :\n\ | |
1028 | {\n\ | |
1029 | _fdata = . ;\n\ | |
1030 | *(.data)\n\ | |
1031 | CONSTRUCTORS\n\ | |
1032 | }\n\ | |
1033 | .data1 : { *(.data1) }\n\ | |
1034 | .ctors : { *(.ctors) }\n\ | |
1035 | .dtors : { *(.dtors) }\n\ | |
1036 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1037 | .got :\n\ | |
1038 | {\n\ | |
1039 | *(.got.plt) *(.got)\n\ | |
1040 | }\n\ | |
1041 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1042 | can access them all, and initialized data all before uninitialized, so\n\ | |
1043 | we can shorten the on-disk segment size. */\n\ | |
1044 | .sdata : { *(.sdata) }\n\ | |
1045 | .lit8 : { *(.lit8) }\n\ | |
1046 | .lit4 : { *(.lit4) }\n\ | |
1047 | _edata = .;\n\ | |
1048 | PROVIDE (edata = .);\n\ | |
1049 | __bss_start = .;\n\ | |
1050 | _fbss = .;\n\ | |
1051 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1052 | .bss :\n\ | |
1053 | {\n\ | |
1054 | *(.dynbss)\n\ | |
1055 | *(.bss)\n\ | |
1056 | *(COMMON)\n\ | |
1057 | }\n\ | |
1058 | _end = . ;\n\ | |
1059 | PROVIDE (end = .);\n\ | |
1060 | /* These are needed for ELF backends which have not yet been\n\ | |
1061 | converted to the new style linker. */\n\ | |
1062 | .stab 0 : { *(.stab) }\n\ | |
1063 | .stabstr 0 : { *(.stabstr) }\n\ | |
1064 | /* DWARF debug sections.\n\ | |
1065 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1066 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1067 | for the others. */\n\ | |
1068 | .debug 0 : { *(.debug) }\n\ | |
1069 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1070 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1071 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1072 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1073 | .line 0 : { *(.line) }\n\ | |
1074 | /* These must appear regardless of . */\n\ | |
1075 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1076 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1077 | }\n\n"; | |
1078 | else if (!config.magic_demand_paged) | |
1079 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
1080 | \"elf32-littlemips\")\n\ | |
1081 | OUTPUT_ARCH(mips)\n\ | |
1082 | ENTRY(_start)\n\ | |
1083 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
1084 | /* Do we need any of these for elf?\n\ | |
1085 | __DYNAMIC = 0; */\n\ | |
1086 | SECTIONS\n\ | |
1087 | {\n\ | |
1088 | /* Read-only sections, merged into text segment: */\n\ | |
1089 | . = 0x0400000;\n\ | |
1090 | .interp : { *(.interp) }\n\ | |
1091 | .reginfo : { *(.reginfo) }\n\ | |
1092 | .dynamic : { *(.dynamic) }\n\ | |
1093 | .dynstr : { *(.dynstr) }\n\ | |
1094 | .dynsym : { *(.dynsym) }\n\ | |
1095 | .hash : { *(.hash) }\n\ | |
1096 | .rel.text : { *(.rel.text) }\n\ | |
1097 | .rela.text : { *(.rela.text) }\n\ | |
1098 | .rel.data : { *(.rel.data) }\n\ | |
1099 | .rela.data : { *(.rela.data) }\n\ | |
1100 | .rel.rodata : { *(.rel.rodata) }\n\ | |
1101 | .rela.rodata : { *(.rela.rodata) }\n\ | |
1102 | .rel.got : { *(.rel.got) }\n\ | |
1103 | .rela.got : { *(.rela.got) }\n\ | |
1104 | .rel.ctors : { *(.rel.ctors) }\n\ | |
1105 | .rela.ctors : { *(.rela.ctors) }\n\ | |
1106 | .rel.dtors : { *(.rel.dtors) }\n\ | |
1107 | .rela.dtors : { *(.rela.dtors) }\n\ | |
1108 | .rel.init : { *(.rel.init) }\n\ | |
1109 | .rela.init : { *(.rela.init) }\n\ | |
1110 | .rel.fini : { *(.rel.fini) }\n\ | |
1111 | .rela.fini : { *(.rela.fini) }\n\ | |
1112 | .rel.bss : { *(.rel.bss) }\n\ | |
1113 | .rela.bss : { *(.rela.bss) }\n\ | |
1114 | .rel.plt : { *(.rel.plt) }\n\ | |
1115 | .rela.plt : { *(.rela.plt) }\n\ | |
1116 | .rodata : { *(.rodata) }\n\ | |
1117 | .rodata1 : { *(.rodata1) }\n\ | |
1118 | .init : { *(.init) } =0\n\ | |
1119 | .text :\n\ | |
1120 | {\n\ | |
1121 | _ftext = . ;\n\ | |
1122 | *(.text)\n\ | |
1123 | *(.stub)\n\ | |
1124 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1125 | *(.gnu.warning)\n\ | |
1126 | } =0\n\ | |
1127 | _etext = .;\n\ | |
1128 | PROVIDE (etext = .);\n\ | |
1129 | .fini : { *(.fini) } =0\n\ | |
1130 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1131 | the same address within the page on the next page up. It would\n\ | |
1132 | be more correct to do this:\n\ | |
1133 | . = 0x10000000;\n\ | |
1134 | The current expression does not correctly handle the case of a\n\ | |
1135 | text segment ending precisely at the end of a page; it causes the\n\ | |
1136 | data segment to skip a page. The above expression does not have\n\ | |
1137 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1138 | a single segment, combining both text and data, for this case.\n\ | |
1139 | This will prevent the text segment from being shared among\n\ | |
1140 | multiple executions of the program; I think that is more\n\ | |
1141 | important than losing a page of the virtual address space (note\n\ | |
1142 | that no actual memory is lost; the page which is skipped can not\n\ | |
1143 | be referenced). */\n\ | |
1144 | . += 0x10000000 - 0x0400000;\n\ | |
1145 | .data :\n\ | |
1146 | {\n\ | |
1147 | _fdata = . ;\n\ | |
1148 | *(.data)\n\ | |
1149 | CONSTRUCTORS\n\ | |
1150 | }\n\ | |
1151 | .data1 : { *(.data1) }\n\ | |
1152 | .ctors : { *(.ctors) }\n\ | |
1153 | .dtors : { *(.dtors) }\n\ | |
1154 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1155 | .got :\n\ | |
1156 | {\n\ | |
1157 | *(.got.plt) *(.got)\n\ | |
1158 | }\n\ | |
1159 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1160 | can access them all, and initialized data all before uninitialized, so\n\ | |
1161 | we can shorten the on-disk segment size. */\n\ | |
1162 | .sdata : { *(.sdata) }\n\ | |
1163 | .lit8 : { *(.lit8) }\n\ | |
1164 | .lit4 : { *(.lit4) }\n\ | |
1165 | _edata = .;\n\ | |
1166 | PROVIDE (edata = .);\n\ | |
1167 | __bss_start = .;\n\ | |
1168 | _fbss = .;\n\ | |
1169 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1170 | .bss :\n\ | |
1171 | {\n\ | |
1172 | *(.dynbss)\n\ | |
1173 | *(.bss)\n\ | |
1174 | *(COMMON)\n\ | |
1175 | }\n\ | |
1176 | _end = . ;\n\ | |
1177 | PROVIDE (end = .);\n\ | |
1178 | /* These are needed for ELF backends which have not yet been\n\ | |
1179 | converted to the new style linker. */\n\ | |
1180 | .stab 0 : { *(.stab) }\n\ | |
1181 | .stabstr 0 : { *(.stabstr) }\n\ | |
1182 | /* DWARF debug sections.\n\ | |
1183 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1184 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1185 | for the others. */\n\ | |
1186 | .debug 0 : { *(.debug) }\n\ | |
1187 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1188 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1189 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1190 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1191 | .line 0 : { *(.line) }\n\ | |
1192 | /* These must appear regardless of . */\n\ | |
1193 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1194 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1195 | }\n\n"; | |
1196 | else if (link_info.shared) | |
1197 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
1198 | \"elf32-littlemips\")\n\ | |
1199 | OUTPUT_ARCH(mips)\n\ | |
1200 | ENTRY(_start)\n\ | |
1201 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
1202 | /* Do we need any of these for elf?\n\ | |
1203 | __DYNAMIC = 0; */\n\ | |
1204 | SECTIONS\n\ | |
1205 | {\n\ | |
1206 | /* Read-only sections, merged into text segment: */\n\ | |
1207 | . = 0x5ffe0000 + SIZEOF_HEADERS;\n\ | |
1208 | .reginfo : { *(.reginfo) }\n\ | |
1209 | .dynamic : { *(.dynamic) }\n\ | |
1210 | .dynstr : { *(.dynstr) }\n\ | |
1211 | .dynsym : { *(.dynsym) }\n\ | |
1212 | .hash : { *(.hash) }\n\ | |
1213 | .rel.text : { *(.rel.text) }\n\ | |
1214 | .rela.text : { *(.rela.text) }\n\ | |
1215 | .rel.data : { *(.rel.data) }\n\ | |
1216 | .rela.data : { *(.rela.data) }\n\ | |
1217 | .rel.rodata : { *(.rel.rodata) }\n\ | |
1218 | .rela.rodata : { *(.rela.rodata) }\n\ | |
1219 | .rel.got : { *(.rel.got) }\n\ | |
1220 | .rela.got : { *(.rela.got) }\n\ | |
1221 | .rel.ctors : { *(.rel.ctors) }\n\ | |
1222 | .rela.ctors : { *(.rela.ctors) }\n\ | |
1223 | .rel.dtors : { *(.rel.dtors) }\n\ | |
1224 | .rela.dtors : { *(.rela.dtors) }\n\ | |
1225 | .rel.init : { *(.rel.init) }\n\ | |
1226 | .rela.init : { *(.rela.init) }\n\ | |
1227 | .rel.fini : { *(.rel.fini) }\n\ | |
1228 | .rela.fini : { *(.rela.fini) }\n\ | |
1229 | .rel.bss : { *(.rel.bss) }\n\ | |
1230 | .rela.bss : { *(.rela.bss) }\n\ | |
1231 | .rel.plt : { *(.rel.plt) }\n\ | |
1232 | .rela.plt : { *(.rela.plt) }\n\ | |
1233 | .rodata : { *(.rodata) }\n\ | |
1234 | .rodata1 : { *(.rodata1) }\n\ | |
1235 | .init : { *(.init) } =0\n\ | |
1236 | .text :\n\ | |
1237 | {\n\ | |
1238 | *(.text)\n\ | |
1239 | *(.stub)\n\ | |
1240 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1241 | *(.gnu.warning)\n\ | |
1242 | } =0\n\ | |
1243 | .fini : { *(.fini) } =0\n\ | |
1244 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1245 | the same address within the page on the next page up. It would\n\ | |
1246 | be more correct to do this:\n\ | |
1247 | . = 0x10000000;\n\ | |
1248 | The current expression does not correctly handle the case of a\n\ | |
1249 | text segment ending precisely at the end of a page; it causes the\n\ | |
1250 | data segment to skip a page. The above expression does not have\n\ | |
1251 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1252 | a single segment, combining both text and data, for this case.\n\ | |
1253 | This will prevent the text segment from being shared among\n\ | |
1254 | multiple executions of the program; I think that is more\n\ | |
1255 | important than losing a page of the virtual address space (note\n\ | |
1256 | that no actual memory is lost; the page which is skipped can not\n\ | |
1257 | be referenced). */\n\ | |
1258 | . += 0x10000;\n\ | |
1259 | .data :\n\ | |
1260 | {\n\ | |
1261 | *(.data)\n\ | |
1262 | CONSTRUCTORS\n\ | |
1263 | }\n\ | |
1264 | .data1 : { *(.data1) }\n\ | |
1265 | .ctors : { *(.ctors) }\n\ | |
1266 | .dtors : { *(.dtors) }\n\ | |
1267 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1268 | .got :\n\ | |
1269 | {\n\ | |
1270 | *(.got.plt) *(.got)\n\ | |
1271 | }\n\ | |
1272 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1273 | can access them all, and initialized data all before uninitialized, so\n\ | |
1274 | we can shorten the on-disk segment size. */\n\ | |
1275 | .sdata : { *(.sdata) }\n\ | |
1276 | .lit8 : { *(.lit8) }\n\ | |
1277 | .lit4 : { *(.lit4) }\n\ | |
1278 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1279 | .bss :\n\ | |
1280 | {\n\ | |
1281 | *(.dynbss)\n\ | |
1282 | *(.bss)\n\ | |
1283 | *(COMMON)\n\ | |
1284 | }\n\ | |
1285 | /* These are needed for ELF backends which have not yet been\n\ | |
1286 | converted to the new style linker. */\n\ | |
1287 | .stab 0 : { *(.stab) }\n\ | |
1288 | .stabstr 0 : { *(.stabstr) }\n\ | |
1289 | /* DWARF debug sections.\n\ | |
1290 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1291 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1292 | for the others. */\n\ | |
1293 | .debug 0 : { *(.debug) }\n\ | |
1294 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1295 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1296 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1297 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1298 | .line 0 : { *(.line) }\n\ | |
1299 | /* These must appear regardless of . */\n\ | |
1300 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1301 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1302 | }\n\n"; | |
1303 | else | |
1304 | return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\ | |
1305 | \"elf32-littlemips\")\n\ | |
1306 | OUTPUT_ARCH(mips)\n\ | |
1307 | ENTRY(_start)\n\ | |
1308 | SEARCH_DIR(/usr/local/mips-elf/lib);\n\ | |
1309 | /* Do we need any of these for elf?\n\ | |
1310 | __DYNAMIC = 0; */\n\ | |
1311 | SECTIONS\n\ | |
1312 | {\n\ | |
1313 | /* Read-only sections, merged into text segment: */\n\ | |
1314 | . = 0x0400000;\n\ | |
1315 | .interp : { *(.interp) }\n\ | |
1316 | .reginfo : { *(.reginfo) }\n\ | |
1317 | .dynamic : { *(.dynamic) }\n\ | |
1318 | .dynstr : { *(.dynstr) }\n\ | |
1319 | .dynsym : { *(.dynsym) }\n\ | |
1320 | .hash : { *(.hash) }\n\ | |
1321 | .rel.text : { *(.rel.text) }\n\ | |
1322 | .rela.text : { *(.rela.text) }\n\ | |
1323 | .rel.data : { *(.rel.data) }\n\ | |
1324 | .rela.data : { *(.rela.data) }\n\ | |
1325 | .rel.rodata : { *(.rel.rodata) }\n\ | |
1326 | .rela.rodata : { *(.rela.rodata) }\n\ | |
1327 | .rel.got : { *(.rel.got) }\n\ | |
1328 | .rela.got : { *(.rela.got) }\n\ | |
1329 | .rel.ctors : { *(.rel.ctors) }\n\ | |
1330 | .rela.ctors : { *(.rela.ctors) }\n\ | |
1331 | .rel.dtors : { *(.rel.dtors) }\n\ | |
1332 | .rela.dtors : { *(.rela.dtors) }\n\ | |
1333 | .rel.init : { *(.rel.init) }\n\ | |
1334 | .rela.init : { *(.rela.init) }\n\ | |
1335 | .rel.fini : { *(.rel.fini) }\n\ | |
1336 | .rela.fini : { *(.rela.fini) }\n\ | |
1337 | .rel.bss : { *(.rel.bss) }\n\ | |
1338 | .rela.bss : { *(.rela.bss) }\n\ | |
1339 | .rel.plt : { *(.rel.plt) }\n\ | |
1340 | .rela.plt : { *(.rela.plt) }\n\ | |
1341 | .rodata : { *(.rodata) }\n\ | |
1342 | .rodata1 : { *(.rodata1) }\n\ | |
1343 | .init : { *(.init) } =0\n\ | |
1344 | .text :\n\ | |
1345 | {\n\ | |
1346 | _ftext = . ;\n\ | |
1347 | *(.text)\n\ | |
1348 | *(.stub)\n\ | |
1349 | /* .gnu.warning sections are handled specially by elf32.em. */\n\ | |
1350 | *(.gnu.warning)\n\ | |
1351 | } =0\n\ | |
1352 | _etext = .;\n\ | |
1353 | PROVIDE (etext = .);\n\ | |
1354 | .fini : { *(.fini) } =0\n\ | |
1355 | /* Adjust the address for the data segment. We want to adjust up to\n\ | |
1356 | the same address within the page on the next page up. It would\n\ | |
1357 | be more correct to do this:\n\ | |
1358 | . = 0x10000000;\n\ | |
1359 | The current expression does not correctly handle the case of a\n\ | |
1360 | text segment ending precisely at the end of a page; it causes the\n\ | |
1361 | data segment to skip a page. The above expression does not have\n\ | |
1362 | this problem, but it will currently (2/95) cause BFD to allocate\n\ | |
1363 | a single segment, combining both text and data, for this case.\n\ | |
1364 | This will prevent the text segment from being shared among\n\ | |
1365 | multiple executions of the program; I think that is more\n\ | |
1366 | important than losing a page of the virtual address space (note\n\ | |
1367 | that no actual memory is lost; the page which is skipped can not\n\ | |
1368 | be referenced). */\n\ | |
1369 | . += 0x10000000 - 0x0400000;\n\ | |
1370 | .data :\n\ | |
1371 | {\n\ | |
1372 | _fdata = . ;\n\ | |
1373 | *(.data)\n\ | |
1374 | CONSTRUCTORS\n\ | |
1375 | }\n\ | |
1376 | .data1 : { *(.data1) }\n\ | |
1377 | .ctors : { *(.ctors) }\n\ | |
1378 | .dtors : { *(.dtors) }\n\ | |
1379 | _gp = ALIGN(16) + 0x7ff0;\n\ | |
1380 | .got :\n\ | |
1381 | {\n\ | |
1382 | *(.got.plt) *(.got)\n\ | |
1383 | }\n\ | |
1384 | /* We want the small data sections together, so single-instruction offsets\n\ | |
1385 | can access them all, and initialized data all before uninitialized, so\n\ | |
1386 | we can shorten the on-disk segment size. */\n\ | |
1387 | .sdata : { *(.sdata) }\n\ | |
1388 | .lit8 : { *(.lit8) }\n\ | |
1389 | .lit4 : { *(.lit4) }\n\ | |
1390 | _edata = .;\n\ | |
1391 | PROVIDE (edata = .);\n\ | |
1392 | __bss_start = .;\n\ | |
1393 | _fbss = .;\n\ | |
1394 | .sbss : { *(.sbss) *(.scommon) }\n\ | |
1395 | .bss :\n\ | |
1396 | {\n\ | |
1397 | *(.dynbss)\n\ | |
1398 | *(.bss)\n\ | |
1399 | *(COMMON)\n\ | |
1400 | }\n\ | |
1401 | _end = . ;\n\ | |
1402 | PROVIDE (end = .);\n\ | |
1403 | /* These are needed for ELF backends which have not yet been\n\ | |
1404 | converted to the new style linker. */\n\ | |
1405 | .stab 0 : { *(.stab) }\n\ | |
1406 | .stabstr 0 : { *(.stabstr) }\n\ | |
1407 | /* DWARF debug sections.\n\ | |
1408 | Symbols in the .debug DWARF section are relative to the beginning of the\n\ | |
1409 | section so we begin .debug at 0. It's not clear yet what needs to happen\n\ | |
1410 | for the others. */\n\ | |
1411 | .debug 0 : { *(.debug) }\n\ | |
1412 | .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\ | |
1413 | .debug_aranges 0 : { *(.debug_aranges) }\n\ | |
1414 | .debug_pubnames 0 : { *(.debug_pubnames) }\n\ | |
1415 | .debug_sfnames 0 : { *(.debug_sfnames) }\n\ | |
1416 | .line 0 : { *(.line) }\n\ | |
1417 | /* These must appear regardless of . */\n\ | |
1418 | .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\ | |
1419 | .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\ | |
1420 | }\n\n"; | |
1421 | } | |
1422 | ||
1423 | struct ld_emulation_xfer_struct ld_elf32ebmip_emulation = | |
1424 | { | |
1425 | gldelf32ebmip_before_parse, | |
1426 | syslib_default, | |
1427 | hll_default, | |
1428 | after_parse_default, | |
1429 | gldelf32ebmip_after_open, | |
1430 | after_allocation_default, | |
1431 | set_output_arch_default, | |
1432 | ldemul_default_target, | |
1433 | gldelf32ebmip_before_allocation, | |
1434 | gldelf32ebmip_get_script, | |
1435 | "elf32ebmip", | |
1436 | "elf32-bigmips", | |
1437 | NULL, | |
1438 | NULL, | |
1439 | gldelf32ebmip_open_dynamic_archive, | |
1440 | gldelf32ebmip_place_orphan | |
1441 | }; |