x
[deliverable/binutils-gdb.git] / ld / mpw-elfmips.c
1 /* This file is is generated by a shell script. DO NOT EDIT! */
2
3 /* 32 bit ELF emulation code for elf32ebmip
4 Copyright (C) 1991, 93, 94, 95, 1996, 1998 Free Software Foundation, Inc.
5 Written by Steve Chamberlain <sac@cygnus.com>
6 ELF support by Ian Lance Taylor <ian@cygnus.com>
7
8 This file is part of GLD, the Gnu Linker.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23
24 #define TARGET_IS_elf32ebmip
25
26 #include "bfd.h"
27 #include "sysdep.h"
28
29 #include <ctype.h>
30
31 #include "bfdlink.h"
32
33 #include "ld.h"
34 #include "ldmain.h"
35 #include "ldemul.h"
36 #include "ldfile.h"
37 #include "ldmisc.h"
38 #include "ldexp.h"
39 #include "ldlang.h"
40 #include "ldgram.h"
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");
445 if (! bfd_elf32_size_dynamic_sections (output_bfd,
446 command_line.soname,
447 rpath,
448 command_line.export_dynamic,
449 &link_info,
450 &sinterp))
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 #if defined (TARGET_IS_elf32bmip) || defined (TARGET_IS_elf32lmip)
501 /* For MIPS ELF the .reginfo section requires special handling.
502 Each input section is 24 bytes, and the final output section must
503 also be 24 bytes. We handle this by clobbering all but the first
504 input section size to 0. The .reginfo section is handled
505 specially by the backend code anyhow. */
506 {
507 boolean found = false;
508 LANG_FOR_EACH_INPUT_STATEMENT (is)
509 {
510 asection *s;
511
512 if (is->just_syms_flag)
513 continue;
514
515 s = bfd_get_section_by_name (is->the_bfd, ".reginfo");
516 if (s == NULL)
517 continue;
518
519 if (! found)
520 {
521 found = true;
522 continue;
523 }
524
525 s->_raw_size = 0;
526 s->_cooked_size = 0;
527 }
528 }
529 #endif
530 }
531
532 /* This is called by the before_allocation routine via
533 lang_for_each_statement. It locates any assignment statements, and
534 tells the ELF backend about them, in case they are assignments to
535 symbols which are referred to by dynamic objects. */
536
537 static void
538 gldelf32ebmip_find_statement_assignment (s)
539 lang_statement_union_type *s;
540 {
541 if (s->header.type == lang_assignment_statement_enum)
542 gldelf32ebmip_find_exp_assignment (s->assignment_statement.exp);
543 }
544
545 /* Look through an expression for an assignment statement. */
546
547 static void
548 gldelf32ebmip_find_exp_assignment (exp)
549 etree_type *exp;
550 {
551 struct bfd_link_hash_entry *h;
552
553 switch (exp->type.node_class)
554 {
555 case etree_provide:
556 h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst,
557 false, false, false);
558 if (h == NULL)
559 break;
560
561 /* We call record_link_assignment even if the symbol is defined.
562 This is because if it is defined by a dynamic object, we
563 actually want to use the value defined by the linker script,
564 not the value from the dynamic object (because we are setting
565 symbols like etext). If the symbol is defined by a regular
566 object, then, as it happens, calling record_link_assignment
567 will do no harm. */
568
569 /* Fall through. */
570 case etree_assign:
571 if (strcmp (exp->assign.dst, ".") != 0)
572 {
573 if (! (bfd_elf32_record_link_assignment
574 (output_bfd, &link_info, exp->assign.dst,
575 exp->type.node_class == etree_provide ? true : false)))
576 einfo (_("%P%F: failed to record assignment to %s: %E\n"),
577 exp->assign.dst);
578 }
579 gldelf32ebmip_find_exp_assignment (exp->assign.src);
580 break;
581
582 case etree_binary:
583 gldelf32ebmip_find_exp_assignment (exp->binary.lhs);
584 gldelf32ebmip_find_exp_assignment (exp->binary.rhs);
585 break;
586
587 case etree_trinary:
588 gldelf32ebmip_find_exp_assignment (exp->trinary.cond);
589 gldelf32ebmip_find_exp_assignment (exp->trinary.lhs);
590 gldelf32ebmip_find_exp_assignment (exp->trinary.rhs);
591 break;
592
593 case etree_unary:
594 gldelf32ebmip_find_exp_assignment (exp->unary.child);
595 break;
596
597 default:
598 break;
599 }
600 }
601
602 /* Place an orphan section. We use this to put random SHF_ALLOC
603 sections in the right segment. */
604
605 static asection *hold_section;
606 static lang_output_section_statement_type *hold_use;
607 static lang_output_section_statement_type *hold_text;
608 static lang_output_section_statement_type *hold_rodata;
609 static lang_output_section_statement_type *hold_data;
610 static lang_output_section_statement_type *hold_bss;
611 static lang_output_section_statement_type *hold_rel;
612
613 /*ARGSUSED*/
614 static boolean
615 gldelf32ebmip_place_orphan (file, s)
616 lang_input_statement_type *file;
617 asection *s;
618 {
619 lang_output_section_statement_type *place;
620 asection *snew, **pps;
621 lang_statement_list_type *old;
622 lang_statement_list_type add;
623 etree_type *address;
624 const char *secname, *ps;
625 lang_output_section_statement_type *os;
626
627 if ((s->flags & SEC_ALLOC) == 0)
628 return false;
629
630 /* Look through the script to see where to place this section. */
631 hold_section = s;
632 hold_use = NULL;
633 lang_for_each_statement (gldelf32ebmip_place_section);
634
635 if (hold_use != NULL)
636 {
637 /* We have already placed a section with this name. */
638 wild_doit (&hold_use->children, s, hold_use, file);
639 return true;
640 }
641
642 secname = bfd_get_section_name (s->owner, s);
643
644 /* If this is a final link, then always put .gnu.warning.SYMBOL
645 sections into the .text section to get them out of the way. */
646 if (! link_info.shared
647 && ! link_info.relocateable
648 && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
649 && hold_text != NULL)
650 {
651 wild_doit (&hold_text->children, s, hold_text, file);
652 return true;
653 }
654
655 /* Decide which segment the section should go in based on the
656 section name and section flags. */
657 place = NULL;
658 if ((s->flags & SEC_HAS_CONTENTS) == 0
659 && hold_bss != NULL)
660 place = hold_bss;
661 else if ((s->flags & SEC_READONLY) == 0
662 && hold_data != NULL)
663 place = hold_data;
664 else if (strncmp (secname, ".rel", 4) == 0
665 && hold_rel != NULL)
666 place = hold_rel;
667 else if ((s->flags & SEC_CODE) == 0
668 && (s->flags & SEC_READONLY) != 0
669 && hold_rodata != NULL)
670 place = hold_rodata;
671 else if ((s->flags & SEC_READONLY) != 0
672 && hold_text != NULL)
673 place = hold_text;
674 if (place == NULL)
675 return false;
676
677 /* Create the section in the output file, and put it in the right
678 place. This shuffling is to make the output file look neater. */
679 snew = bfd_make_section (output_bfd, secname);
680 if (snew == NULL)
681 einfo (_("%P%F: output format %s cannot represent section called %s\n"),
682 output_bfd->xvec->name, secname);
683 if (place->bfd_section != NULL)
684 {
685 for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
686 ;
687 *pps = snew->next;
688 snew->next = place->bfd_section->next;
689 place->bfd_section->next = snew;
690 }
691
692 /* Start building a list of statements for this section. */
693 old = stat_ptr;
694 stat_ptr = &add;
695 lang_list_init (stat_ptr);
696
697 /* If the name of the section is representable in C, then create
698 symbols to mark the start and the end of the section. */
699 for (ps = secname; *ps != '\0'; ps++)
700 if (! isalnum (*ps) && *ps != '_')
701 break;
702 if (*ps == '\0' && config.build_constructors)
703 {
704 char *symname;
705
706 symname = (char *) xmalloc (ps - secname + sizeof "__start_");
707 sprintf (symname, "__start_%s", secname);
708 lang_add_assignment (exp_assop ('=', symname,
709 exp_unop (ALIGN_K,
710 exp_intop ((bfd_vma) 1
711 << s->alignment_power))));
712 }
713
714 if (! link_info.relocateable)
715 address = NULL;
716 else
717 address = exp_intop ((bfd_vma) 0);
718
719 lang_enter_output_section_statement (secname, address, 0,
720 (bfd_vma) 0,
721 (etree_type *) NULL,
722 (etree_type *) NULL,
723 (etree_type *) NULL);
724
725 os = lang_output_section_statement_lookup (secname);
726 wild_doit (&os->children, s, os, file);
727
728 lang_leave_output_section_statement ((bfd_vma) 0, "*default*");
729 stat_ptr = &add;
730
731 if (*ps == '\0' && config.build_constructors)
732 {
733 char *symname;
734
735 symname = (char *) xmalloc (ps - secname + sizeof "__stop_");
736 sprintf (symname, "__stop_%s", secname);
737 lang_add_assignment (exp_assop ('=', symname,
738 exp_nameop (NAME, ".")));
739 }
740
741 /* Now stick the new statement list right after PLACE. */
742 *add.tail = place->header.next;
743 place->header.next = add.head;
744
745 stat_ptr = old;
746
747 return true;
748 }
749
750 static void
751 gldelf32ebmip_place_section (s)
752 lang_statement_union_type *s;
753 {
754 lang_output_section_statement_type *os;
755
756 if (s->header.type != lang_output_section_statement_enum)
757 return;
758
759 os = &s->output_section_statement;
760
761 if (strcmp (os->name, hold_section->name) == 0)
762 hold_use = os;
763
764 if (strcmp (os->name, ".text") == 0)
765 hold_text = os;
766 else if (strcmp (os->name, ".rodata") == 0)
767 hold_rodata = os;
768 else if (strcmp (os->name, ".data") == 0)
769 hold_data = os;
770 else if (strcmp (os->name, ".bss") == 0)
771 hold_bss = os;
772 else if (hold_rel == NULL
773 && os->bfd_section != NULL
774 && strncmp (os->name, ".rel", 4) == 0)
775 hold_rel = os;
776 }
777
778 static char *
779 gldelf32ebmip_get_script(isfile)
780 int *isfile;
781 {
782 *isfile = 0;
783
784 if (link_info.relocateable == true && config.build_constructors == true)
785 return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\
786 \"elf32-littlemips\")\n\
787 OUTPUT_ARCH(mips)\n\
788 ENTRY(_start)\n\
789 /* For some reason, the Solaris linker makes bad executables\n\
790 if gld -r is used and the intermediate file has sections starting\n\
791 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\
792 bug. But for now assigning the zero vmas works. */\n\
793 SECTIONS\n\
794 {\n\
795 /* Read-only sections, merged into text segment: */\n\
796 .interp 0 : { *(.interp) }\n\
797 .reginfo 0 : { *(.reginfo) }\n\
798 .dynamic 0 : { *(.dynamic) }\n\
799 .dynstr 0 : { *(.dynstr) }\n\
800 .dynsym 0 : { *(.dynsym) }\n\
801 .hash 0 : { *(.hash) }\n\
802 .rel.text 0 : { *(.rel.text) }\n\
803 .rela.text 0 : { *(.rela.text) }\n\
804 .rel.data 0 : { *(.rel.data) }\n\
805 .rela.data 0 : { *(.rela.data) }\n\
806 .rel.rodata 0 : { *(.rel.rodata) }\n\
807 .rela.rodata 0 : { *(.rela.rodata) }\n\
808 .rel.got 0 : { *(.rel.got) }\n\
809 .rela.got 0 : { *(.rela.got) }\n\
810 .rel.ctors 0 : { *(.rel.ctors) }\n\
811 .rela.ctors 0 : { *(.rela.ctors) }\n\
812 .rel.dtors 0 : { *(.rel.dtors) }\n\
813 .rela.dtors 0 : { *(.rela.dtors) }\n\
814 .rel.init 0 : { *(.rel.init) }\n\
815 .rela.init 0 : { *(.rela.init) }\n\
816 .rel.fini 0 : { *(.rel.fini) }\n\
817 .rela.fini 0 : { *(.rela.fini) }\n\
818 .rel.bss 0 : { *(.rel.bss) }\n\
819 .rela.bss 0 : { *(.rela.bss) }\n\
820 .rel.plt 0 : { *(.rel.plt) }\n\
821 .rela.plt 0 : { *(.rela.plt) }\n\
822 .rodata 0 : { *(.rodata) }\n\
823 .rodata1 0 : { *(.rodata1) }\n\
824 .init 0 : { *(.init) } =0\n\
825 .text 0 :\n\
826 {\n\
827 *(.text)\n\
828 *(.stub)\n\
829 /* .gnu.warning sections are handled specially by elf32.em. */\n\
830 *(.gnu.warning)\n\
831 } =0\n\
832 .fini 0 : { *(.fini) } =0\n\
833 /* Adjust the address for the data segment. We want to adjust up to\n\
834 the same address within the page on the next page up. It would\n\
835 be more correct to do this:\n\
836 The current expression does not correctly handle the case of a\n\
837 text segment ending precisely at the end of a page; it causes the\n\
838 data segment to skip a page. The above expression does not have\n\
839 this problem, but it will currently (2/95) cause BFD to allocate\n\
840 a single segment, combining both text and data, for this case.\n\
841 This will prevent the text segment from being shared among\n\
842 multiple executions of the program; I think that is more\n\
843 important than losing a page of the virtual address space (note\n\
844 that no actual memory is lost; the page which is skipped can not\n\
845 be referenced). */\n\
846 .data 0 :\n\
847 {\n\
848 *(.data)\n\
849 CONSTRUCTORS\n\
850 }\n\
851 .data1 0 : { *(.data1) }\n\
852 .ctors 0 : { *(.ctors) }\n\
853 .dtors 0 : { *(.dtors) }\n\
854 .got 0 :\n\
855 {\n\
856 *(.got.plt) *(.got)\n\
857 }\n\
858 /* We want the small data sections together, so single-instruction offsets\n\
859 can access them all, and initialized data all before uninitialized, so\n\
860 we can shorten the on-disk segment size. */\n\
861 .sdata 0 : { *(.sdata) }\n\
862 .sbss 0 : { *(.sbss) *(.scommon) }\n\
863 .bss 0 :\n\
864 {\n\
865 *(.dynbss)\n\
866 *(.bss)\n\
867 *(COMMON)\n\
868 }\n\
869 /* These are needed for ELF backends which have not yet been\n\
870 converted to the new style linker. */\n\
871 .stab 0 : { *(.stab) }\n\
872 .stabstr 0 : { *(.stabstr) }\n\
873 /* DWARF debug sections.\n\
874 Symbols in the .debug DWARF section are relative to the beginning of the\n\
875 section so we begin .debug at 0. It's not clear yet what needs to happen\n\
876 for the others. */\n\
877 .debug 0 : { *(.debug) }\n\
878 .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\
879 .debug_aranges 0 : { *(.debug_aranges) }\n\
880 .debug_pubnames 0 : { *(.debug_pubnames) }\n\
881 .debug_sfnames 0 : { *(.debug_sfnames) }\n\
882 .line 0 : { *(.line) }\n\
883 /* These must appear regardless of . */\n\
884 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\
885 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\
886 }\n\n";
887 else if (link_info.relocateable == true)
888 return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\
889 \"elf32-littlemips\")\n\
890 OUTPUT_ARCH(mips)\n\
891 ENTRY(_start)\n\
892 /* For some reason, the Solaris linker makes bad executables\n\
893 if gld -r is used and the intermediate file has sections starting\n\
894 at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld\n\
895 bug. But for now assigning the zero vmas works. */\n\
896 SECTIONS\n\
897 {\n\
898 /* Read-only sections, merged into text segment: */\n\
899 .interp 0 : { *(.interp) }\n\
900 .reginfo 0 : { *(.reginfo) }\n\
901 .dynamic 0 : { *(.dynamic) }\n\
902 .dynstr 0 : { *(.dynstr) }\n\
903 .dynsym 0 : { *(.dynsym) }\n\
904 .hash 0 : { *(.hash) }\n\
905 .rel.text 0 : { *(.rel.text) }\n\
906 .rela.text 0 : { *(.rela.text) }\n\
907 .rel.data 0 : { *(.rel.data) }\n\
908 .rela.data 0 : { *(.rela.data) }\n\
909 .rel.rodata 0 : { *(.rel.rodata) }\n\
910 .rela.rodata 0 : { *(.rela.rodata) }\n\
911 .rel.got 0 : { *(.rel.got) }\n\
912 .rela.got 0 : { *(.rela.got) }\n\
913 .rel.ctors 0 : { *(.rel.ctors) }\n\
914 .rela.ctors 0 : { *(.rela.ctors) }\n\
915 .rel.dtors 0 : { *(.rel.dtors) }\n\
916 .rela.dtors 0 : { *(.rela.dtors) }\n\
917 .rel.init 0 : { *(.rel.init) }\n\
918 .rela.init 0 : { *(.rela.init) }\n\
919 .rel.fini 0 : { *(.rel.fini) }\n\
920 .rela.fini 0 : { *(.rela.fini) }\n\
921 .rel.bss 0 : { *(.rel.bss) }\n\
922 .rela.bss 0 : { *(.rela.bss) }\n\
923 .rel.plt 0 : { *(.rel.plt) }\n\
924 .rela.plt 0 : { *(.rela.plt) }\n\
925 .rodata 0 : { *(.rodata) }\n\
926 .rodata1 0 : { *(.rodata1) }\n\
927 .init 0 : { *(.init) } =0\n\
928 .text 0 :\n\
929 {\n\
930 *(.text)\n\
931 *(.stub)\n\
932 /* .gnu.warning sections are handled specially by elf32.em. */\n\
933 *(.gnu.warning)\n\
934 } =0\n\
935 .fini 0 : { *(.fini) } =0\n\
936 /* Adjust the address for the data segment. We want to adjust up to\n\
937 the same address within the page on the next page up. It would\n\
938 be more correct to do this:\n\
939 The current expression does not correctly handle the case of a\n\
940 text segment ending precisely at the end of a page; it causes the\n\
941 data segment to skip a page. The above expression does not have\n\
942 this problem, but it will currently (2/95) cause BFD to allocate\n\
943 a single segment, combining both text and data, for this case.\n\
944 This will prevent the text segment from being shared among\n\
945 multiple executions of the program; I think that is more\n\
946 important than losing a page of the virtual address space (note\n\
947 that no actual memory is lost; the page which is skipped can not\n\
948 be referenced). */\n\
949 .data 0 :\n\
950 {\n\
951 *(.data)\n\
952 }\n\
953 .data1 0 : { *(.data1) }\n\
954 .ctors 0 : { *(.ctors) }\n\
955 .dtors 0 : { *(.dtors) }\n\
956 .got 0 :\n\
957 {\n\
958 *(.got.plt) *(.got)\n\
959 }\n\
960 /* We want the small data sections together, so single-instruction offsets\n\
961 can access them all, and initialized data all before uninitialized, so\n\
962 we can shorten the on-disk segment size. */\n\
963 .sdata 0 : { *(.sdata) }\n\
964 .sbss 0 : { *(.sbss) *(.scommon) }\n\
965 .bss 0 :\n\
966 {\n\
967 *(.dynbss)\n\
968 *(.bss)\n\
969 *(COMMON)\n\
970 }\n\
971 /* These are needed for ELF backends which have not yet been\n\
972 converted to the new style linker. */\n\
973 .stab 0 : { *(.stab) }\n\
974 .stabstr 0 : { *(.stabstr) }\n\
975 /* DWARF debug sections.\n\
976 Symbols in the .debug DWARF section are relative to the beginning of the\n\
977 section so we begin .debug at 0. It's not clear yet what needs to happen\n\
978 for the others. */\n\
979 .debug 0 : { *(.debug) }\n\
980 .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\
981 .debug_aranges 0 : { *(.debug_aranges) }\n\
982 .debug_pubnames 0 : { *(.debug_pubnames) }\n\
983 .debug_sfnames 0 : { *(.debug_sfnames) }\n\
984 .line 0 : { *(.line) }\n\
985 /* These must appear regardless of . */\n\
986 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\
987 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\
988 }\n\n";
989 else if (!config.text_read_only)
990 return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\
991 \"elf32-littlemips\")\n\
992 OUTPUT_ARCH(mips)\n\
993 ENTRY(_start)\n\
994 SEARCH_DIR(/usr/local/mips-elf/lib);\n\
995 /* Do we need any of these for elf?\n\
996 __DYNAMIC = 0; */\n\
997 SECTIONS\n\
998 {\n\
999 /* Read-only sections, merged into text segment: */\n\
1000 . = 0x0400000;\n\
1001 .interp : { *(.interp) }\n\
1002 .reginfo : { *(.reginfo) }\n\
1003 .dynamic : { *(.dynamic) }\n\
1004 .dynstr : { *(.dynstr) }\n\
1005 .dynsym : { *(.dynsym) }\n\
1006 .hash : { *(.hash) }\n\
1007 .rel.text : { *(.rel.text) }\n\
1008 .rela.text : { *(.rela.text) }\n\
1009 .rel.data : { *(.rel.data) }\n\
1010 .rela.data : { *(.rela.data) }\n\
1011 .rel.rodata : { *(.rel.rodata) }\n\
1012 .rela.rodata : { *(.rela.rodata) }\n\
1013 .rel.got : { *(.rel.got) }\n\
1014 .rela.got : { *(.rela.got) }\n\
1015 .rel.ctors : { *(.rel.ctors) }\n\
1016 .rela.ctors : { *(.rela.ctors) }\n\
1017 .rel.dtors : { *(.rel.dtors) }\n\
1018 .rela.dtors : { *(.rela.dtors) }\n\
1019 .rel.init : { *(.rel.init) }\n\
1020 .rela.init : { *(.rela.init) }\n\
1021 .rel.fini : { *(.rel.fini) }\n\
1022 .rela.fini : { *(.rela.fini) }\n\
1023 .rel.bss : { *(.rel.bss) }\n\
1024 .rela.bss : { *(.rela.bss) }\n\
1025 .rel.plt : { *(.rel.plt) }\n\
1026 .rela.plt : { *(.rela.plt) }\n\
1027 .rodata : { *(.rodata) }\n\
1028 .rodata1 : { *(.rodata1) }\n\
1029 .init : { *(.init) } =0\n\
1030 .text :\n\
1031 {\n\
1032 _ftext = . ;\n\
1033 *(.text)\n\
1034 *(.stub)\n\
1035 /* .gnu.warning sections are handled specially by elf32.em. */\n\
1036 *(.gnu.warning)\n\
1037 } =0\n\
1038 _etext = .;\n\
1039 PROVIDE (etext = .);\n\
1040 .fini : { *(.fini) } =0\n\
1041 /* Adjust the address for the data segment. We want to adjust up to\n\
1042 the same address within the page on the next page up. It would\n\
1043 be more correct to do this:\n\
1044 . = .;\n\
1045 The current expression does not correctly handle the case of a\n\
1046 text segment ending precisely at the end of a page; it causes the\n\
1047 data segment to skip a page. The above expression does not have\n\
1048 this problem, but it will currently (2/95) cause BFD to allocate\n\
1049 a single segment, combining both text and data, for this case.\n\
1050 This will prevent the text segment from being shared among\n\
1051 multiple executions of the program; I think that is more\n\
1052 important than losing a page of the virtual address space (note\n\
1053 that no actual memory is lost; the page which is skipped can not\n\
1054 be referenced). */\n\
1055 . += . - 0x0400000;\n\
1056 .data :\n\
1057 {\n\
1058 _fdata = . ;\n\
1059 *(.data)\n\
1060 CONSTRUCTORS\n\
1061 }\n\
1062 .data1 : { *(.data1) }\n\
1063 .ctors : { *(.ctors) }\n\
1064 .dtors : { *(.dtors) }\n\
1065 _gp = ALIGN(16) + 0x7ff0;\n\
1066 .got :\n\
1067 {\n\
1068 *(.got.plt) *(.got)\n\
1069 }\n\
1070 /* We want the small data sections together, so single-instruction offsets\n\
1071 can access them all, and initialized data all before uninitialized, so\n\
1072 we can shorten the on-disk segment size. */\n\
1073 .sdata : { *(.sdata) }\n\
1074 .lit8 : { *(.lit8) }\n\
1075 .lit4 : { *(.lit4) }\n\
1076 _edata = .;\n\
1077 PROVIDE (edata = .);\n\
1078 __bss_start = .;\n\
1079 _fbss = .;\n\
1080 .sbss : { *(.sbss) *(.scommon) }\n\
1081 .bss :\n\
1082 {\n\
1083 *(.dynbss)\n\
1084 *(.bss)\n\
1085 *(COMMON)\n\
1086 }\n\
1087 _end = . ;\n\
1088 PROVIDE (end = .);\n\
1089 /* These are needed for ELF backends which have not yet been\n\
1090 converted to the new style linker. */\n\
1091 .stab 0 : { *(.stab) }\n\
1092 .stabstr 0 : { *(.stabstr) }\n\
1093 /* DWARF debug sections.\n\
1094 Symbols in the .debug DWARF section are relative to the beginning of the\n\
1095 section so we begin .debug at 0. It's not clear yet what needs to happen\n\
1096 for the others. */\n\
1097 .debug 0 : { *(.debug) }\n\
1098 .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\
1099 .debug_aranges 0 : { *(.debug_aranges) }\n\
1100 .debug_pubnames 0 : { *(.debug_pubnames) }\n\
1101 .debug_sfnames 0 : { *(.debug_sfnames) }\n\
1102 .line 0 : { *(.line) }\n\
1103 /* These must appear regardless of . */\n\
1104 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\
1105 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\
1106 }\n\n";
1107 else if (!config.magic_demand_paged)
1108 return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\
1109 \"elf32-littlemips\")\n\
1110 OUTPUT_ARCH(mips)\n\
1111 ENTRY(_start)\n\
1112 SEARCH_DIR(/usr/local/mips-elf/lib);\n\
1113 /* Do we need any of these for elf?\n\
1114 __DYNAMIC = 0; */\n\
1115 SECTIONS\n\
1116 {\n\
1117 /* Read-only sections, merged into text segment: */\n\
1118 . = 0x0400000;\n\
1119 .interp : { *(.interp) }\n\
1120 .reginfo : { *(.reginfo) }\n\
1121 .dynamic : { *(.dynamic) }\n\
1122 .dynstr : { *(.dynstr) }\n\
1123 .dynsym : { *(.dynsym) }\n\
1124 .hash : { *(.hash) }\n\
1125 .rel.text : { *(.rel.text) }\n\
1126 .rela.text : { *(.rela.text) }\n\
1127 .rel.data : { *(.rel.data) }\n\
1128 .rela.data : { *(.rela.data) }\n\
1129 .rel.rodata : { *(.rel.rodata) }\n\
1130 .rela.rodata : { *(.rela.rodata) }\n\
1131 .rel.got : { *(.rel.got) }\n\
1132 .rela.got : { *(.rela.got) }\n\
1133 .rel.ctors : { *(.rel.ctors) }\n\
1134 .rela.ctors : { *(.rela.ctors) }\n\
1135 .rel.dtors : { *(.rel.dtors) }\n\
1136 .rela.dtors : { *(.rela.dtors) }\n\
1137 .rel.init : { *(.rel.init) }\n\
1138 .rela.init : { *(.rela.init) }\n\
1139 .rel.fini : { *(.rel.fini) }\n\
1140 .rela.fini : { *(.rela.fini) }\n\
1141 .rel.bss : { *(.rel.bss) }\n\
1142 .rela.bss : { *(.rela.bss) }\n\
1143 .rel.plt : { *(.rel.plt) }\n\
1144 .rela.plt : { *(.rela.plt) }\n\
1145 .rodata : { *(.rodata) }\n\
1146 .rodata1 : { *(.rodata1) }\n\
1147 .init : { *(.init) } =0\n\
1148 .text :\n\
1149 {\n\
1150 _ftext = . ;\n\
1151 *(.text)\n\
1152 *(.stub)\n\
1153 /* .gnu.warning sections are handled specially by elf32.em. */\n\
1154 *(.gnu.warning)\n\
1155 } =0\n\
1156 _etext = .;\n\
1157 PROVIDE (etext = .);\n\
1158 .fini : { *(.fini) } =0\n\
1159 /* Adjust the address for the data segment. We want to adjust up to\n\
1160 the same address within the page on the next page up. It would\n\
1161 be more correct to do this:\n\
1162 . = 0x10000000;\n\
1163 The current expression does not correctly handle the case of a\n\
1164 text segment ending precisely at the end of a page; it causes the\n\
1165 data segment to skip a page. The above expression does not have\n\
1166 this problem, but it will currently (2/95) cause BFD to allocate\n\
1167 a single segment, combining both text and data, for this case.\n\
1168 This will prevent the text segment from being shared among\n\
1169 multiple executions of the program; I think that is more\n\
1170 important than losing a page of the virtual address space (note\n\
1171 that no actual memory is lost; the page which is skipped can not\n\
1172 be referenced). */\n\
1173 . += 0x10000000 - 0x0400000;\n\
1174 .data :\n\
1175 {\n\
1176 _fdata = . ;\n\
1177 *(.data)\n\
1178 CONSTRUCTORS\n\
1179 }\n\
1180 .data1 : { *(.data1) }\n\
1181 .ctors : { *(.ctors) }\n\
1182 .dtors : { *(.dtors) }\n\
1183 _gp = ALIGN(16) + 0x7ff0;\n\
1184 .got :\n\
1185 {\n\
1186 *(.got.plt) *(.got)\n\
1187 }\n\
1188 /* We want the small data sections together, so single-instruction offsets\n\
1189 can access them all, and initialized data all before uninitialized, so\n\
1190 we can shorten the on-disk segment size. */\n\
1191 .sdata : { *(.sdata) }\n\
1192 .lit8 : { *(.lit8) }\n\
1193 .lit4 : { *(.lit4) }\n\
1194 _edata = .;\n\
1195 PROVIDE (edata = .);\n\
1196 __bss_start = .;\n\
1197 _fbss = .;\n\
1198 .sbss : { *(.sbss) *(.scommon) }\n\
1199 .bss :\n\
1200 {\n\
1201 *(.dynbss)\n\
1202 *(.bss)\n\
1203 *(COMMON)\n\
1204 }\n\
1205 _end = . ;\n\
1206 PROVIDE (end = .);\n\
1207 /* These are needed for ELF backends which have not yet been\n\
1208 converted to the new style linker. */\n\
1209 .stab 0 : { *(.stab) }\n\
1210 .stabstr 0 : { *(.stabstr) }\n\
1211 /* DWARF debug sections.\n\
1212 Symbols in the .debug DWARF section are relative to the beginning of the\n\
1213 section so we begin .debug at 0. It's not clear yet what needs to happen\n\
1214 for the others. */\n\
1215 .debug 0 : { *(.debug) }\n\
1216 .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\
1217 .debug_aranges 0 : { *(.debug_aranges) }\n\
1218 .debug_pubnames 0 : { *(.debug_pubnames) }\n\
1219 .debug_sfnames 0 : { *(.debug_sfnames) }\n\
1220 .line 0 : { *(.line) }\n\
1221 /* These must appear regardless of . */\n\
1222 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\
1223 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\
1224 }\n\n";
1225 else if (link_info.shared)
1226 return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\
1227 \"elf32-littlemips\")\n\
1228 OUTPUT_ARCH(mips)\n\
1229 ENTRY(_start)\n\
1230 SEARCH_DIR(/usr/local/mips-elf/lib);\n\
1231 /* Do we need any of these for elf?\n\
1232 __DYNAMIC = 0; */\n\
1233 SECTIONS\n\
1234 {\n\
1235 /* Read-only sections, merged into text segment: */\n\
1236 . = 0x5ffe0000 + SIZEOF_HEADERS;\n\
1237 .reginfo : { *(.reginfo) }\n\
1238 .dynamic : { *(.dynamic) }\n\
1239 .dynstr : { *(.dynstr) }\n\
1240 .dynsym : { *(.dynsym) }\n\
1241 .hash : { *(.hash) }\n\
1242 .rel.text : { *(.rel.text) }\n\
1243 .rela.text : { *(.rela.text) }\n\
1244 .rel.data : { *(.rel.data) }\n\
1245 .rela.data : { *(.rela.data) }\n\
1246 .rel.rodata : { *(.rel.rodata) }\n\
1247 .rela.rodata : { *(.rela.rodata) }\n\
1248 .rel.got : { *(.rel.got) }\n\
1249 .rela.got : { *(.rela.got) }\n\
1250 .rel.ctors : { *(.rel.ctors) }\n\
1251 .rela.ctors : { *(.rela.ctors) }\n\
1252 .rel.dtors : { *(.rel.dtors) }\n\
1253 .rela.dtors : { *(.rela.dtors) }\n\
1254 .rel.init : { *(.rel.init) }\n\
1255 .rela.init : { *(.rela.init) }\n\
1256 .rel.fini : { *(.rel.fini) }\n\
1257 .rela.fini : { *(.rela.fini) }\n\
1258 .rel.bss : { *(.rel.bss) }\n\
1259 .rela.bss : { *(.rela.bss) }\n\
1260 .rel.plt : { *(.rel.plt) }\n\
1261 .rela.plt : { *(.rela.plt) }\n\
1262 .rodata : { *(.rodata) }\n\
1263 .rodata1 : { *(.rodata1) }\n\
1264 .init : { *(.init) } =0\n\
1265 .text :\n\
1266 {\n\
1267 *(.text)\n\
1268 *(.stub)\n\
1269 /* .gnu.warning sections are handled specially by elf32.em. */\n\
1270 *(.gnu.warning)\n\
1271 } =0\n\
1272 .fini : { *(.fini) } =0\n\
1273 /* Adjust the address for the data segment. We want to adjust up to\n\
1274 the same address within the page on the next page up. It would\n\
1275 be more correct to do this:\n\
1276 . = 0x10000000;\n\
1277 The current expression does not correctly handle the case of a\n\
1278 text segment ending precisely at the end of a page; it causes the\n\
1279 data segment to skip a page. The above expression does not have\n\
1280 this problem, but it will currently (2/95) cause BFD to allocate\n\
1281 a single segment, combining both text and data, for this case.\n\
1282 This will prevent the text segment from being shared among\n\
1283 multiple executions of the program; I think that is more\n\
1284 important than losing a page of the virtual address space (note\n\
1285 that no actual memory is lost; the page which is skipped can not\n\
1286 be referenced). */\n\
1287 . += 0x10000;\n\
1288 .data :\n\
1289 {\n\
1290 *(.data)\n\
1291 CONSTRUCTORS\n\
1292 }\n\
1293 .data1 : { *(.data1) }\n\
1294 .ctors : { *(.ctors) }\n\
1295 .dtors : { *(.dtors) }\n\
1296 _gp = ALIGN(16) + 0x7ff0;\n\
1297 .got :\n\
1298 {\n\
1299 *(.got.plt) *(.got)\n\
1300 }\n\
1301 /* We want the small data sections together, so single-instruction offsets\n\
1302 can access them all, and initialized data all before uninitialized, so\n\
1303 we can shorten the on-disk segment size. */\n\
1304 .sdata : { *(.sdata) }\n\
1305 .lit8 : { *(.lit8) }\n\
1306 .lit4 : { *(.lit4) }\n\
1307 .sbss : { *(.sbss) *(.scommon) }\n\
1308 .bss :\n\
1309 {\n\
1310 *(.dynbss)\n\
1311 *(.bss)\n\
1312 *(COMMON)\n\
1313 }\n\
1314 /* These are needed for ELF backends which have not yet been\n\
1315 converted to the new style linker. */\n\
1316 .stab 0 : { *(.stab) }\n\
1317 .stabstr 0 : { *(.stabstr) }\n\
1318 /* DWARF debug sections.\n\
1319 Symbols in the .debug DWARF section are relative to the beginning of the\n\
1320 section so we begin .debug at 0. It's not clear yet what needs to happen\n\
1321 for the others. */\n\
1322 .debug 0 : { *(.debug) }\n\
1323 .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\
1324 .debug_aranges 0 : { *(.debug_aranges) }\n\
1325 .debug_pubnames 0 : { *(.debug_pubnames) }\n\
1326 .debug_sfnames 0 : { *(.debug_sfnames) }\n\
1327 .line 0 : { *(.line) }\n\
1328 /* These must appear regardless of . */\n\
1329 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\
1330 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\
1331 }\n\n";
1332 else
1333 return "OUTPUT_FORMAT(\"elf32-bigmips\", \"elf32-bigmips\",\n\
1334 \"elf32-littlemips\")\n\
1335 OUTPUT_ARCH(mips)\n\
1336 ENTRY(_start)\n\
1337 SEARCH_DIR(/usr/local/mips-elf/lib);\n\
1338 /* Do we need any of these for elf?\n\
1339 __DYNAMIC = 0; */\n\
1340 SECTIONS\n\
1341 {\n\
1342 /* Read-only sections, merged into text segment: */\n\
1343 . = 0x0400000;\n\
1344 .interp : { *(.interp) }\n\
1345 .reginfo : { *(.reginfo) }\n\
1346 .dynamic : { *(.dynamic) }\n\
1347 .dynstr : { *(.dynstr) }\n\
1348 .dynsym : { *(.dynsym) }\n\
1349 .hash : { *(.hash) }\n\
1350 .rel.text : { *(.rel.text) }\n\
1351 .rela.text : { *(.rela.text) }\n\
1352 .rel.data : { *(.rel.data) }\n\
1353 .rela.data : { *(.rela.data) }\n\
1354 .rel.rodata : { *(.rel.rodata) }\n\
1355 .rela.rodata : { *(.rela.rodata) }\n\
1356 .rel.got : { *(.rel.got) }\n\
1357 .rela.got : { *(.rela.got) }\n\
1358 .rel.ctors : { *(.rel.ctors) }\n\
1359 .rela.ctors : { *(.rela.ctors) }\n\
1360 .rel.dtors : { *(.rel.dtors) }\n\
1361 .rela.dtors : { *(.rela.dtors) }\n\
1362 .rel.init : { *(.rel.init) }\n\
1363 .rela.init : { *(.rela.init) }\n\
1364 .rel.fini : { *(.rel.fini) }\n\
1365 .rela.fini : { *(.rela.fini) }\n\
1366 .rel.bss : { *(.rel.bss) }\n\
1367 .rela.bss : { *(.rela.bss) }\n\
1368 .rel.plt : { *(.rel.plt) }\n\
1369 .rela.plt : { *(.rela.plt) }\n\
1370 .rodata : { *(.rodata) }\n\
1371 .rodata1 : { *(.rodata1) }\n\
1372 .init : { *(.init) } =0\n\
1373 .text :\n\
1374 {\n\
1375 _ftext = . ;\n\
1376 *(.text)\n\
1377 *(.stub)\n\
1378 /* .gnu.warning sections are handled specially by elf32.em. */\n\
1379 *(.gnu.warning)\n\
1380 } =0\n\
1381 _etext = .;\n\
1382 PROVIDE (etext = .);\n\
1383 .fini : { *(.fini) } =0\n\
1384 /* Adjust the address for the data segment. We want to adjust up to\n\
1385 the same address within the page on the next page up. It would\n\
1386 be more correct to do this:\n\
1387 . = 0x10000000;\n\
1388 The current expression does not correctly handle the case of a\n\
1389 text segment ending precisely at the end of a page; it causes the\n\
1390 data segment to skip a page. The above expression does not have\n\
1391 this problem, but it will currently (2/95) cause BFD to allocate\n\
1392 a single segment, combining both text and data, for this case.\n\
1393 This will prevent the text segment from being shared among\n\
1394 multiple executions of the program; I think that is more\n\
1395 important than losing a page of the virtual address space (note\n\
1396 that no actual memory is lost; the page which is skipped can not\n\
1397 be referenced). */\n\
1398 . += 0x10000000 - 0x0400000;\n\
1399 .data :\n\
1400 {\n\
1401 _fdata = . ;\n\
1402 *(.data)\n\
1403 CONSTRUCTORS\n\
1404 }\n\
1405 .data1 : { *(.data1) }\n\
1406 .ctors : { *(.ctors) }\n\
1407 .dtors : { *(.dtors) }\n\
1408 _gp = ALIGN(16) + 0x7ff0;\n\
1409 .got :\n\
1410 {\n\
1411 *(.got.plt) *(.got)\n\
1412 }\n\
1413 /* We want the small data sections together, so single-instruction offsets\n\
1414 can access them all, and initialized data all before uninitialized, so\n\
1415 we can shorten the on-disk segment size. */\n\
1416 .sdata : { *(.sdata) }\n\
1417 .lit8 : { *(.lit8) }\n\
1418 .lit4 : { *(.lit4) }\n\
1419 _edata = .;\n\
1420 PROVIDE (edata = .);\n\
1421 __bss_start = .;\n\
1422 _fbss = .;\n\
1423 .sbss : { *(.sbss) *(.scommon) }\n\
1424 .bss :\n\
1425 {\n\
1426 *(.dynbss)\n\
1427 *(.bss)\n\
1428 *(COMMON)\n\
1429 }\n\
1430 _end = . ;\n\
1431 PROVIDE (end = .);\n\
1432 /* These are needed for ELF backends which have not yet been\n\
1433 converted to the new style linker. */\n\
1434 .stab 0 : { *(.stab) }\n\
1435 .stabstr 0 : { *(.stabstr) }\n\
1436 /* DWARF debug sections.\n\
1437 Symbols in the .debug DWARF section are relative to the beginning of the\n\
1438 section so we begin .debug at 0. It's not clear yet what needs to happen\n\
1439 for the others. */\n\
1440 .debug 0 : { *(.debug) }\n\
1441 .debug_srcinfo 0 : { *(.debug_srcinfo) }\n\
1442 .debug_aranges 0 : { *(.debug_aranges) }\n\
1443 .debug_pubnames 0 : { *(.debug_pubnames) }\n\
1444 .debug_sfnames 0 : { *(.debug_sfnames) }\n\
1445 .line 0 : { *(.line) }\n\
1446 /* These must appear regardless of . */\n\
1447 .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }\n\
1448 .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }\n\
1449 }\n\n";
1450 }
1451
1452 struct ld_emulation_xfer_struct ld_elf32ebmip_emulation =
1453 {
1454 gldelf32ebmip_before_parse,
1455 syslib_default,
1456 hll_default,
1457 after_parse_default,
1458 gldelf32ebmip_after_open,
1459 after_allocation_default,
1460 set_output_arch_default,
1461 ldemul_default_target,
1462 gldelf32ebmip_before_allocation,
1463 gldelf32ebmip_get_script,
1464 "elf32ebmip",
1465 "elf32-bigmips",
1466 NULL,
1467 NULL,
1468 gldelf32ebmip_open_dynamic_archive,
1469 gldelf32ebmip_place_orphan
1470 };
This page took 0.112251 seconds and 4 git commands to generate.