Fix bug in sh_elf_reloc_loop
[deliverable/binutils-gdb.git] / ld / mpw-elfmips.c
CommitLineData
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1/* This file is is generated by a shell script. DO NOT EDIT! */
2
3/* 32 bit ELF emulation code for elf32ebmip
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4 Copyright (C) 1991, 93, 94, 95, 96, 98, 2000
5 Free Software Foundation, Inc.
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6 Written by Steve Chamberlain <sac@cygnus.com>
7 ELF support by Ian Lance Taylor <ian@cygnus.com>
8
9This file is part of GLD, the Gnu Linker.
10
11This program is free software; you can redistribute it and/or modify
12it under the terms of the GNU General Public License as published by
13the Free Software Foundation; either version 2 of the License, or
14(at your option) any later version.
15
16This program is distributed in the hope that it will be useful,
17but WITHOUT ANY WARRANTY; without even the implied warranty of
18MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19GNU General Public License for more details.
20
21You should have received a copy of the GNU General Public License
22along with this program; if not, write to the Free Software
23Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24
25#define TARGET_IS_elf32ebmip
26
27#include "bfd.h"
28#include "sysdep.h"
29
30#include <ctype.h>
31
32#include "bfdlink.h"
33
34#include "ld.h"
35#include "ldmain.h"
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36#include "ldmisc.h"
37#include "ldexp.h"
38#include "ldlang.h"
39#include "ldgram.h"
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40#include "ldfile.h"
41#include "ldemul.h"
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42
43static void gldelf32ebmip_before_parse PARAMS ((void));
44static boolean gldelf32ebmip_open_dynamic_archive
45 PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
46static void gldelf32ebmip_after_open PARAMS ((void));
47static void gldelf32ebmip_check_needed
48 PARAMS ((lang_input_statement_type *));
49static void gldelf32ebmip_stat_needed
50 PARAMS ((lang_input_statement_type *));
51static boolean gldelf32ebmip_search_needed
52 PARAMS ((const char *, const char *));
53static boolean gldelf32ebmip_try_needed PARAMS ((const char *));
54static void gldelf32ebmip_before_allocation PARAMS ((void));
55static void gldelf32ebmip_find_statement_assignment
56 PARAMS ((lang_statement_union_type *));
57static void gldelf32ebmip_find_exp_assignment PARAMS ((etree_type *));
58static boolean gldelf32ebmip_place_orphan
59 PARAMS ((lang_input_statement_type *, asection *));
60static void gldelf32ebmip_place_section
61 PARAMS ((lang_statement_union_type *));
62static char *gldelf32ebmip_get_script PARAMS ((int *isfile));
63
64static void
65gldelf32ebmip_before_parse()
66{
67 ldfile_output_architecture = bfd_arch_mips;
68 config.dynamic_link = true;
69}
70
71/* Try to open a dynamic archive. This is where we know that ELF
72 dynamic libraries have an extension of .so. */
73
74static boolean
75gldelf32ebmip_open_dynamic_archive (arch, search, entry)
76 const char *arch;
77 search_dirs_type *search;
78 lang_input_statement_type *entry;
79{
80 const char *filename;
81 char *string;
82
83 if (! entry->is_archive)
84 return false;
85
86 filename = entry->filename;
87
88 string = (char *) xmalloc (strlen (search->name)
89 + strlen (filename)
90 + strlen (arch)
91 + sizeof "/lib.so");
92
93 sprintf (string, "%s/lib%s%s.so", search->name, filename, arch);
94
95 if (! ldfile_try_open_bfd (string, entry))
96 {
97 free (string);
98 return false;
99 }
100
101 entry->filename = string;
102
103 /* We have found a dynamic object to include in the link. The ELF
104 backend linker will create a DT_NEEDED entry in the .dynamic
105 section naming this file. If this file includes a DT_SONAME
106 entry, it will be used. Otherwise, the ELF linker will just use
107 the name of the file. For an archive found by searching, like
108 this one, the DT_NEEDED entry should consist of just the name of
109 the file, without the path information used to find it. Note
110 that we only need to do this if we have a dynamic object; an
111 archive will never be referenced by a DT_NEEDED entry.
112
113 FIXME: This approach--using bfd_elf_set_dt_needed_name--is not
114 very pretty. I haven't been able to think of anything that is
115 pretty, though. */
116 if (bfd_check_format (entry->the_bfd, bfd_object)
117 && (entry->the_bfd->flags & DYNAMIC) != 0)
118 {
119 char *needed_name;
120
121 ASSERT (entry->is_archive && entry->search_dirs_flag);
122 needed_name = (char *) xmalloc (strlen (filename)
123 + strlen (arch)
124 + sizeof "lib.so");
125 sprintf (needed_name, "lib%s%s.so", filename, arch);
126 bfd_elf_set_dt_needed_name (entry->the_bfd, needed_name);
127 }
128
129 return true;
130}
131
132
133/* These variables are required to pass information back and forth
134 between after_open and check_needed and stat_needed. */
135
136static struct bfd_link_needed_list *global_needed;
137static struct stat global_stat;
138static boolean global_found;
139
140/* This is called after all the input files have been opened. */
141
142static void
143gldelf32ebmip_after_open ()
144{
145 struct bfd_link_needed_list *needed, *l;
146
147 /* We only need to worry about this when doing a final link. */
148 if (link_info.relocateable || link_info.shared)
149 return;
150
151 /* Get the list of files which appear in DT_NEEDED entries in
152 dynamic objects included in the link (often there will be none).
153 For each such file, we want to track down the corresponding
154 library, and include the symbol table in the link. This is what
155 the runtime dynamic linker will do. Tracking the files down here
156 permits one dynamic object to include another without requiring
157 special action by the person doing the link. Note that the
158 needed list can actually grow while we are stepping through this
159 loop. */
160 needed = bfd_elf_get_needed_list (output_bfd, &link_info);
161 for (l = needed; l != NULL; l = l->next)
162 {
163 struct bfd_link_needed_list *ll;
164 const char *lib_path;
165 size_t len;
166 search_dirs_type *search;
167
168 /* If we've already seen this file, skip it. */
169 for (ll = needed; ll != l; ll = ll->next)
170 if (strcmp (ll->name, l->name) == 0)
171 break;
172 if (ll != l)
173 continue;
174
175 /* See if this file was included in the link explicitly. */
176 global_needed = l;
177 global_found = false;
178 lang_for_each_input_file (gldelf32ebmip_check_needed);
179 if (global_found)
180 continue;
181
182 /* We need to find this file and include the symbol table. We
183 want to search for the file in the same way that the dynamic
184 linker will search. That means that we want to use
185 rpath_link, rpath, then the environment variable
186 LD_LIBRARY_PATH (native only), then the linker script
187 LIB_SEARCH_DIRS. We do not search using the -L arguments. */
188 if (gldelf32ebmip_search_needed (command_line.rpath_link,
189 l->name))
190 continue;
191 if (gldelf32ebmip_search_needed (command_line.rpath, l->name))
192 continue;
193 if (command_line.rpath_link == NULL
194 && command_line.rpath == NULL)
195 {
196 lib_path = (const char *) getenv ("LD_RUN_PATH");
197 if (gldelf32ebmip_search_needed (lib_path, l->name))
198 continue;
199 }
200 len = strlen (l->name);
201 for (search = search_head; search != NULL; search = search->next)
202 {
203 char *filename;
204
205 if (search->cmdline)
206 continue;
207 filename = (char *) xmalloc (strlen (search->name) + len + 2);
208 sprintf (filename, "%s/%s", search->name, l->name);
209 if (gldelf32ebmip_try_needed (filename))
210 break;
211 free (filename);
212 }
213 if (search != NULL)
214 continue;
215
216 einfo (_("%P: warning: %s, needed by %B, not found\n"),
217 l->name, l->by);
218 }
219}
220
221/* Search for a needed file in a path. */
222
223static boolean
224gldelf32ebmip_search_needed (path, name)
225 const char *path;
226 const char *name;
227{
228 const char *s;
229 size_t len;
230
231 if (path == NULL || *path == '\0')
232 return false;
233 len = strlen (name);
234 while (1)
235 {
236 char *filename, *sset;
237
238 s = strchr (path, ':');
239 if (s == NULL)
240 s = path + strlen (path);
241
242 filename = (char *) xmalloc (s - path + len + 2);
243 if (s == path)
244 sset = filename;
245 else
246 {
247 memcpy (filename, path, s - path);
248 filename[s - path] = '/';
249 sset = filename + (s - path) + 1;
250 }
251 strcpy (sset, name);
252
253 if (gldelf32ebmip_try_needed (filename))
254 return true;
255
256 free (filename);
257
258 if (*s == '\0')
259 break;
260 path = s + 1;
261 }
262
263 return false;
264}
265
266/* This function is called for each possible name for a dynamic object
267 named by a DT_NEEDED entry. */
268
269static boolean
270gldelf32ebmip_try_needed (name)
271 const char *name;
272{
273 bfd *abfd;
274
275 abfd = bfd_openr (name, bfd_get_target (output_bfd));
276 if (abfd == NULL)
277 return false;
278 if (! bfd_check_format (abfd, bfd_object))
279 {
280 (void) bfd_close (abfd);
281 return false;
282 }
283 if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0)
284 {
285 (void) bfd_close (abfd);
286 return false;
287 }
288
289 /* We've found a dynamic object matching the DT_NEEDED entry. */
290
291 /* We have already checked that there is no other input file of the
292 same name. We must now check again that we are not including the
293 same file twice. We need to do this because on many systems
294 libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will
295 reference libc.so.1. If we have already included libc.so, we
296 don't want to include libc.so.1 if they are the same file, and we
297 can only check that using stat. */
298
299 if (bfd_stat (abfd, &global_stat) != 0)
300 einfo (_("%F%P:%B: bfd_stat failed: %E\n"), abfd);
301 global_found = false;
302 lang_for_each_input_file (gldelf32ebmip_stat_needed);
303 if (global_found)
304 {
305 /* Return true to indicate that we found the file, even though
306 we aren't going to do anything with it. */
307 return true;
308 }
309
310 /* Tell the ELF backend that don't want the output file to have a
311 DT_NEEDED entry for this file. */
312 bfd_elf_set_dt_needed_name (abfd, "");
313
314 /* Add this file into the symbol table. */
315 if (! bfd_link_add_symbols (abfd, &link_info))
316 einfo (_("%F%B: could not read symbols: %E\n"), abfd);
317
318 return true;
319}
320
321/* See if an input file matches a DT_NEEDED entry by name. */
322
323static void
324gldelf32ebmip_check_needed (s)
325 lang_input_statement_type *s;
326{
327 if (global_found)
328 return;
329
330 if (s->filename != NULL
331 && strcmp (s->filename, global_needed->name) == 0)
332 {
333 global_found = true;
334 return;
335 }
336
337 if (s->the_bfd != NULL)
338 {
339 const char *soname;
340
341 soname = bfd_elf_get_dt_soname (s->the_bfd);
342 if (soname != NULL
343 && strcmp (soname, global_needed->name) == 0)
344 {
345 global_found = true;
346 return;
347 }
348 }
349
350 if (s->search_dirs_flag
351 && s->filename != NULL
352 && strchr (global_needed->name, '/') == NULL)
353 {
354 const char *f;
355
356 f = strrchr (s->filename, '/');
357 if (f != NULL
358 && strcmp (f + 1, global_needed->name) == 0)
359 {
360 global_found = true;
361 return;
362 }
363 }
364}
365
366/* See if an input file matches a DT_NEEDED entry by running stat on
367 the file. */
368
369static void
370gldelf32ebmip_stat_needed (s)
371 lang_input_statement_type *s;
372{
373 struct stat st;
374 const char *suffix;
375 const char *soname;
376 const char *f;
377
378 if (global_found)
379 return;
380 if (s->the_bfd == NULL)
381 return;
382
383 if (bfd_stat (s->the_bfd, &st) != 0)
384 {
385 einfo (_("%P:%B: bfd_stat failed: %E\n"), s->the_bfd);
386 return;
387 }
388
389 if (st.st_dev == global_stat.st_dev
390 && st.st_ino == global_stat.st_ino)
391 {
392 global_found = true;
393 return;
394 }
395
396 /* We issue a warning if it looks like we are including two
397 different versions of the same shared library. For example,
398 there may be a problem if -lc picks up libc.so.6 but some other
399 shared library has a DT_NEEDED entry of libc.so.5. This is a
400 hueristic test, and it will only work if the name looks like
401 NAME.so.VERSION. FIXME: Depending on file names is error-prone.
402 If we really want to issue warnings about mixing version numbers
403 of shared libraries, we need to find a better way. */
404
405 if (strchr (global_needed->name, '/') != NULL)
406 return;
407 suffix = strstr (global_needed->name, ".so.");
408 if (suffix == NULL)
409 return;
410 suffix += sizeof ".so." - 1;
411
412 soname = bfd_elf_get_dt_soname (s->the_bfd);
413 if (soname == NULL)
414 soname = s->filename;
415
416 f = strrchr (soname, '/');
417 if (f != NULL)
418 ++f;
419 else
420 f = soname;
421
422 if (strncmp (f, global_needed->name, suffix - global_needed->name) == 0)
423 einfo (_("%P: warning: %s, needed by %B, may conflict with %s\n"),
424 global_needed->name, global_needed->by, f);
425}
426
427/* This is called after the sections have been attached to output
428 sections, but before any sizes or addresses have been set. */
429
430static void
431gldelf32ebmip_before_allocation ()
432{
433 const char *rpath;
434 asection *sinterp;
435
436 /* If we are going to make any variable assignments, we need to let
437 the ELF backend know about them in case the variables are
438 referred to by dynamic objects. */
439 lang_for_each_statement (gldelf32ebmip_find_statement_assignment);
440
441 /* Let the ELF backend work out the sizes of any sections required
442 by dynamic linking. */
443 rpath = command_line.rpath;
444 if (rpath == NULL)
445 rpath = (const char *) getenv ("LD_RUN_PATH");
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446 if (! (bfd_elf32_size_dynamic_sections
447 (output_bfd, command_line.soname, rpath,
448 command_line.export_dynamic, command_line.filter_shlib,
449 (const char * const *) command_line.auxiliary_filters,
450 &link_info, &sinterp, lang_elf_version_info)))
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451 einfo (_("%P%F: failed to set dynamic section sizes: %E\n"));
452
453 /* Let the user override the dynamic linker we are using. */
454 if (command_line.interpreter != NULL
455 && sinterp != NULL)
456 {
457 sinterp->contents = (bfd_byte *) command_line.interpreter;
458 sinterp->_raw_size = strlen (command_line.interpreter) + 1;
459 }
460
461 /* Look for any sections named .gnu.warning. As a GNU extensions,
462 we treat such sections as containing warning messages. We print
463 out the warning message, and then zero out the section size so
464 that it does not get copied into the output file. */
465
466 {
467 LANG_FOR_EACH_INPUT_STATEMENT (is)
468 {
469 asection *s;
470 bfd_size_type sz;
471 char *msg;
472 boolean ret;
473
474 if (is->just_syms_flag)
475 continue;
476
477 s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning");
478 if (s == NULL)
479 continue;
480
481 sz = bfd_section_size (is->the_bfd, s);
482 msg = xmalloc ((size_t) sz + 1);
483 if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz))
484 einfo (_("%F%B: Can't read contents of section .gnu.warning: %E\n"),
485 is->the_bfd);
486 msg[sz] = '\0';
487 ret = link_info.callbacks->warning (&link_info, msg,
488 (const char *) NULL,
489 is->the_bfd, (asection *) NULL,
490 (bfd_vma) 0);
491 ASSERT (ret);
492 free (msg);
493
494 /* Clobber the section size, so that we don't waste copying the
495 warning into the output file. */
496 s->_raw_size = 0;
497 }
498 }
499}
500
501/* This is called by the before_allocation routine via
502 lang_for_each_statement. It locates any assignment statements, and
503 tells the ELF backend about them, in case they are assignments to
504 symbols which are referred to by dynamic objects. */
505
506static void
507gldelf32ebmip_find_statement_assignment (s)
508 lang_statement_union_type *s;
509{
510 if (s->header.type == lang_assignment_statement_enum)
511 gldelf32ebmip_find_exp_assignment (s->assignment_statement.exp);
512}
513
514/* Look through an expression for an assignment statement. */
515
516static void
517gldelf32ebmip_find_exp_assignment (exp)
518 etree_type *exp;
519{
520 struct bfd_link_hash_entry *h;
521
522 switch (exp->type.node_class)
523 {
524 case etree_provide:
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,
544 exp->type.node_class == etree_provide ? true : false)))
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
574static asection *hold_section;
575static lang_output_section_statement_type *hold_use;
576static lang_output_section_statement_type *hold_text;
577static lang_output_section_statement_type *hold_rodata;
578static lang_output_section_statement_type *hold_data;
579static lang_output_section_statement_type *hold_bss;
580static lang_output_section_statement_type *hold_rel;
581
582/*ARGSUSED*/
583static boolean
584gldelf32ebmip_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. */
607 wild_doit (&hold_use->children, s, hold_use, file);
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 {
620 wild_doit (&hold_text->children, s, hold_text, file);
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++)
669 if (! isalnum (*ps) && *ps != '_')
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);
695 wild_doit (&os->children, s, os, file);
696
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697 lang_leave_output_section_statement
698 ((bfd_vma) 0, "*default*",
699 (struct lang_output_section_phdr_list *) NULL, "*default*");
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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
721static void
722gldelf32ebmip_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
749static char *
750gldelf32ebmip_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\
758OUTPUT_ARCH(mips)\n\
759ENTRY(_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\
764SECTIONS\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\
861OUTPUT_ARCH(mips)\n\
862ENTRY(_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\
867SECTIONS\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\
963OUTPUT_ARCH(mips)\n\
964ENTRY(_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\
968SECTIONS\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\
1081OUTPUT_ARCH(mips)\n\
1082ENTRY(_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\
1086SECTIONS\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\
1199OUTPUT_ARCH(mips)\n\
1200ENTRY(_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\
1204SECTIONS\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\
1306OUTPUT_ARCH(mips)\n\
1307ENTRY(_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\
1311SECTIONS\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
1423struct 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};
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