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[binutils.git] / bfd / m68klinux.c
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1 /* BFD back-end for linux flavored m68k a.out binaries.
2 Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002,
3 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
5 This file is part of BFD, the Binary File Descriptor library.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
22 #define TARGET_PAGE_SIZE 4096
23 #define ZMAGIC_DISK_BLOCK_SIZE 1024
24 #define SEGMENT_SIZE TARGET_PAGE_SIZE
25 #define TEXT_START_ADDR 0x0
26 #define N_SHARED_LIB(x) 0
28 #define MACHTYPE_OK(mtype) ((mtype) == M_68020 || (mtype) == M_UNKNOWN)
30 #include "sysdep.h"
31 #include "bfd.h"
32 #include "libbfd.h"
33 #include "aout/aout64.h"
34 #include "aout/stab_gnu.h"
35 #include "aout/ar.h"
36 #include "libaout.h" /* BFD a.out internal data structures */
38 #define TARGET_IS_BIG_ENDIAN_P
39 #define DEFAULT_ARCH bfd_arch_m68k
41 /* Do not "beautify" the CONCAT* macro args. Traditional C will not
42 remove whitespace added here, and thus will fail to concatenate
43 the tokens. */
44 #define MY(OP) CONCAT2 (m68klinux_,OP)
45 #define TARGETNAME "a.out-m68k-linux"
47 extern const bfd_target MY(vec);
49 /* We always generate QMAGIC files in preference to ZMAGIC files. It
50 would be possible to make this a linker option, if that ever
51 becomes important. */
53 static void MY_final_link_callback
54 PARAMS ((bfd *, file_ptr *, file_ptr *, file_ptr *));
55 static bfd_boolean m68klinux_bfd_final_link
56 PARAMS ((bfd *, struct bfd_link_info *));
57 static bfd_boolean m68klinux_write_object_contents PARAMS ((bfd *));
59 static bfd_boolean
60 m68klinux_bfd_final_link (abfd, info)
61 bfd *abfd;
62 struct bfd_link_info *info;
64 obj_aout_subformat (abfd) = q_magic_format;
65 return NAME(aout,final_link) (abfd, info, MY_final_link_callback);
68 #define MY_bfd_final_link m68klinux_bfd_final_link
70 /* Set the machine type correctly. */
72 static bfd_boolean
73 m68klinux_write_object_contents (abfd)
74 bfd *abfd;
76 struct external_exec exec_bytes;
77 struct internal_exec *execp = exec_hdr (abfd);
79 N_SET_MACHTYPE (*execp, M_68020);
81 obj_reloc_entry_size (abfd) = RELOC_STD_SIZE;
83 WRITE_HEADERS(abfd, execp);
85 return TRUE;
88 #define MY_write_object_contents m68klinux_write_object_contents
90 /* Code to link against Linux a.out shared libraries. */
92 /* See if a symbol name is a reference to the global offset table. */
94 #ifndef GOT_REF_PREFIX
95 #define GOT_REF_PREFIX "__GOT_"
96 #endif
98 #define IS_GOT_SYM(name) (CONST_STRNEQ (name, GOT_REF_PREFIX))
100 /* See if a symbol name is a reference to the procedure linkage table. */
102 #ifndef PLT_REF_PREFIX
103 #define PLT_REF_PREFIX "__PLT_"
104 #endif
106 #define IS_PLT_SYM(name) (CONST_STRNEQ (name, PLT_REF_PREFIX))
108 /* This string is used to generate specialized error messages. */
110 #ifndef NEEDS_SHRLIB
111 #define NEEDS_SHRLIB "__NEEDS_SHRLIB_"
112 #endif
114 /* This special symbol is a set vector that contains a list of
115 pointers to fixup tables. It will be present in any dynamically
116 linked file. The linker generated fixup table should also be added
117 to the list, and it should always appear in the second slot (the
118 first one is a dummy with a magic number that is defined in
119 crt0.o). */
121 #ifndef SHARABLE_CONFLICTS
122 #define SHARABLE_CONFLICTS "__SHARABLE_CONFLICTS__"
123 #endif
125 /* We keep a list of fixups. The terminology is a bit strange, but
126 each fixup contains two 32 bit numbers. A regular fixup contains
127 an address and a pointer, and at runtime we should store the
128 address at the location pointed to by the pointer. A builtin fixup
129 contains two pointers, and we should read the address using one
130 pointer and store it at the location pointed to by the other
131 pointer. Builtin fixups come into play when we have duplicate
132 __GOT__ symbols for the same variable. The builtin fixup will copy
133 the GOT pointer from one over into the other. */
135 struct fixup
137 struct fixup *next;
138 struct linux_link_hash_entry *h;
139 bfd_vma value;
141 /* Nonzero if this is a jump instruction that needs to be fixed,
142 zero if this is just a pointer */
143 char jump;
145 char builtin;
148 /* We don't need a special hash table entry structure, but we do need
149 to keep some information between linker passes, so we use a special
150 hash table. */
152 struct linux_link_hash_entry
154 struct aout_link_hash_entry root;
157 struct linux_link_hash_table
159 struct aout_link_hash_table root;
161 /* First dynamic object found in link. */
162 bfd *dynobj;
164 /* Number of fixups. */
165 size_t fixup_count;
167 /* Number of builtin fixups. */
168 size_t local_builtins;
170 /* List of fixups. */
171 struct fixup *fixup_list;
174 static struct bfd_hash_entry *linux_link_hash_newfunc
175 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
176 static struct bfd_link_hash_table *linux_link_hash_table_create
177 PARAMS ((bfd *));
178 static struct fixup *new_fixup
179 PARAMS ((struct bfd_link_info *, struct linux_link_hash_entry *,
180 bfd_vma, int));
181 static bfd_boolean linux_link_create_dynamic_sections
182 PARAMS ((bfd *, struct bfd_link_info *));
183 static bfd_boolean linux_add_one_symbol
184 PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, asection *,
185 bfd_vma, const char *, bfd_boolean, bfd_boolean,
186 struct bfd_link_hash_entry **));
187 static bfd_boolean linux_tally_symbols
188 PARAMS ((struct linux_link_hash_entry *, PTR));
189 static bfd_boolean linux_finish_dynamic_link
190 PARAMS ((bfd *, struct bfd_link_info *));
192 /* Routine to create an entry in an Linux link hash table. */
194 static struct bfd_hash_entry *
195 linux_link_hash_newfunc (entry, table, string)
196 struct bfd_hash_entry *entry;
197 struct bfd_hash_table *table;
198 const char *string;
200 struct linux_link_hash_entry *ret = (struct linux_link_hash_entry *) entry;
202 /* Allocate the structure if it has not already been allocated by a
203 subclass. */
204 if (ret == (struct linux_link_hash_entry *) NULL)
205 ret = ((struct linux_link_hash_entry *)
206 bfd_hash_allocate (table, sizeof (struct linux_link_hash_entry)));
207 if (ret == NULL)
208 return (struct bfd_hash_entry *) ret;
210 /* Call the allocation method of the superclass. */
211 ret = ((struct linux_link_hash_entry *)
212 NAME(aout,link_hash_newfunc) ((struct bfd_hash_entry *) ret,
213 table, string));
214 if (ret != NULL)
216 /* Set local fields; there aren't any. */
219 return (struct bfd_hash_entry *) ret;
222 /* Create a Linux link hash table. */
224 static struct bfd_link_hash_table *
225 linux_link_hash_table_create (abfd)
226 bfd *abfd;
228 struct linux_link_hash_table *ret;
229 bfd_size_type amt = sizeof (struct linux_link_hash_table);
231 ret = (struct linux_link_hash_table *) bfd_malloc (amt);
232 if (ret == (struct linux_link_hash_table *) NULL)
234 bfd_set_error (bfd_error_no_memory);
235 return (struct bfd_link_hash_table *) NULL;
237 if (!NAME(aout,link_hash_table_init) (&ret->root, abfd,
238 linux_link_hash_newfunc,
239 sizeof (struct linux_link_hash_entry)))
241 free (ret);
242 return (struct bfd_link_hash_table *) NULL;
245 ret->dynobj = NULL;
246 ret->fixup_count = 0;
247 ret->local_builtins = 0;
248 ret->fixup_list = NULL;
250 return &ret->root.root;
253 /* Look up an entry in a Linux link hash table. */
255 #define linux_link_hash_lookup(table, string, create, copy, follow) \
256 ((struct linux_link_hash_entry *) \
257 aout_link_hash_lookup (&(table)->root, (string), (create), (copy),\
258 (follow)))
260 /* Traverse a Linux link hash table. */
262 #define linux_link_hash_traverse(table, func, info) \
263 (aout_link_hash_traverse \
264 (&(table)->root, \
265 (bfd_boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \
266 (info)))
268 /* Get the Linux link hash table from the info structure. This is
269 just a cast. */
271 #define linux_hash_table(p) ((struct linux_link_hash_table *) ((p)->hash))
273 /* Store the information for a new fixup. */
275 static struct fixup *
276 new_fixup (info, h, value, builtin)
277 struct bfd_link_info *info;
278 struct linux_link_hash_entry *h;
279 bfd_vma value;
280 int builtin;
282 struct fixup *f;
284 f = (struct fixup *) bfd_hash_allocate (&info->hash->table,
285 sizeof (struct fixup));
286 if (f == NULL)
287 return f;
288 f->next = linux_hash_table (info)->fixup_list;
289 linux_hash_table (info)->fixup_list = f;
290 f->h = h;
291 f->value = value;
292 f->builtin = builtin;
293 f->jump = 0;
294 ++linux_hash_table (info)->fixup_count;
295 return f;
298 /* We come here once we realize that we are going to link to a shared
299 library. We need to create a special section that contains the
300 fixup table, and we ultimately need to add a pointer to this into
301 the set vector for SHARABLE_CONFLICTS. At this point we do not
302 know the size of the section, but that's OK - we just need to
303 create it for now. */
305 static bfd_boolean
306 linux_link_create_dynamic_sections (abfd, info)
307 bfd *abfd;
308 struct bfd_link_info *info ATTRIBUTE_UNUSED;
310 flagword flags;
311 register asection *s;
313 /* Note that we set the SEC_IN_MEMORY flag. */
314 flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
316 /* We choose to use the name ".linux-dynamic" for the fixup table.
317 Why not? */
318 s = bfd_make_section_with_flags (abfd, ".linux-dynamic", flags);
319 if (s == NULL
320 || ! bfd_set_section_alignment (abfd, s, 2))
321 return FALSE;
322 s->size = 0;
323 s->contents = 0;
325 return TRUE;
328 /* Function to add a single symbol to the linker hash table. This is
329 a wrapper around _bfd_generic_link_add_one_symbol which handles the
330 tweaking needed for dynamic linking support. */
332 static bfd_boolean
333 linux_add_one_symbol (info, abfd, name, flags, section, value, string,
334 copy, collect, hashp)
335 struct bfd_link_info *info;
336 bfd *abfd;
337 const char *name;
338 flagword flags;
339 asection *section;
340 bfd_vma value;
341 const char *string;
342 bfd_boolean copy;
343 bfd_boolean collect;
344 struct bfd_link_hash_entry **hashp;
346 struct linux_link_hash_entry *h;
347 bfd_boolean insert;
349 /* Look up and see if we already have this symbol in the hash table.
350 If we do, and the defining entry is from a shared library, we
351 need to create the dynamic sections.
353 FIXME: What if abfd->xvec != info->hash->creator? We may want to
354 be able to link Linux a.out and ELF objects together, but serious
355 confusion is possible. */
357 insert = FALSE;
359 if (! info->relocatable
360 && linux_hash_table (info)->dynobj == NULL
361 && strcmp (name, SHARABLE_CONFLICTS) == 0
362 && (flags & BSF_CONSTRUCTOR) != 0
363 && abfd->xvec == info->hash->creator)
365 if (! linux_link_create_dynamic_sections (abfd, info))
366 return FALSE;
367 linux_hash_table (info)->dynobj = abfd;
368 insert = TRUE;
371 if (bfd_is_abs_section (section)
372 && abfd->xvec == info->hash->creator)
374 h = linux_link_hash_lookup (linux_hash_table (info), name, FALSE,
375 FALSE, FALSE);
376 if (h != NULL
377 && (h->root.root.type == bfd_link_hash_defined
378 || h->root.root.type == bfd_link_hash_defweak))
380 struct fixup *f;
382 if (hashp != NULL)
383 *hashp = (struct bfd_link_hash_entry *) h;
385 f = new_fixup (info, h, value, ! IS_PLT_SYM (name));
386 if (f == NULL)
387 return FALSE;
388 f->jump = IS_PLT_SYM (name);
390 return TRUE;
394 /* Do the usual procedure for adding a symbol. */
395 if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
396 value, string, copy, collect,
397 hashp))
398 return FALSE;
400 /* Insert a pointer to our table in the set vector. The dynamic
401 linker requires this information */
402 if (insert)
404 asection *s;
406 /* Here we do our special thing to add the pointer to the
407 dynamic section in the SHARABLE_CONFLICTS set vector. */
408 s = bfd_get_section_by_name (linux_hash_table (info)->dynobj,
409 ".linux-dynamic");
410 BFD_ASSERT (s != NULL);
412 if (! (_bfd_generic_link_add_one_symbol
413 (info, linux_hash_table (info)->dynobj, SHARABLE_CONFLICTS,
414 BSF_GLOBAL | BSF_CONSTRUCTOR, s, (bfd_vma) 0, NULL,
415 FALSE, FALSE, NULL)))
416 return FALSE;
419 return TRUE;
422 /* We will crawl the hash table and come here for every global symbol.
423 We will examine each entry and see if there are indications that we
424 need to add a fixup. There are two possible cases - one is where
425 you have duplicate definitions of PLT or GOT symbols - these will
426 have already been caught and added as "builtin" fixups. If we find
427 that the corresponding non PLT/GOT symbol is also present, we
428 convert it to a regular fixup instead.
430 This function is called via linux_link_hash_traverse. */
432 static bfd_boolean
433 linux_tally_symbols (h, data)
434 struct linux_link_hash_entry *h;
435 PTR data;
437 struct bfd_link_info *info = (struct bfd_link_info *) data;
438 struct fixup *f, *f1;
439 int is_plt;
440 struct linux_link_hash_entry *h1, *h2;
441 bfd_boolean exists;
443 if (h->root.root.type == bfd_link_hash_warning)
444 h = (struct linux_link_hash_entry *) h->root.root.u.i.link;
446 if (h->root.root.type == bfd_link_hash_undefined
447 && CONST_STRNEQ (h->root.root.root.string, NEEDS_SHRLIB))
449 const char *name;
450 char *p;
451 char *alloc = NULL;
453 name = h->root.root.root.string + sizeof NEEDS_SHRLIB - 1;
454 p = strrchr (name, '_');
455 if (p != NULL)
456 alloc = (char *) bfd_malloc ((bfd_size_type) strlen (name) + 1);
458 if (p == NULL || alloc == NULL)
459 (*_bfd_error_handler) (_("Output file requires shared library `%s'\n"),
460 name);
461 else
463 strcpy (alloc, name);
464 p = strrchr (alloc, '_');
465 *p++ = '\0';
466 (*_bfd_error_handler)
467 (_("Output file requires shared library `%s.so.%s'\n"),
468 alloc, p);
469 free (alloc);
472 abort ();
475 /* If this symbol is not a PLT/GOT, we do not even need to look at it */
476 is_plt = IS_PLT_SYM (h->root.root.root.string);
478 if (is_plt || IS_GOT_SYM (h->root.root.root.string))
480 /* Look up this symbol twice. Once just as a regular lookup,
481 and then again following all of the indirect links until we
482 reach a real symbol. */
483 h1 = linux_link_hash_lookup (linux_hash_table (info),
484 (h->root.root.root.string
485 + sizeof PLT_REF_PREFIX - 1),
486 FALSE, FALSE, TRUE);
487 /* h2 does not follow indirect symbols. */
488 h2 = linux_link_hash_lookup (linux_hash_table (info),
489 (h->root.root.root.string
490 + sizeof PLT_REF_PREFIX - 1),
491 FALSE, FALSE, FALSE);
493 /* The real symbol must exist but if it is also an ABS symbol,
494 there is no need to have a fixup. This is because they both
495 came from the same library. If on the other hand, we had to
496 use an indirect symbol to get to the real symbol, we add the
497 fixup anyway, since there are cases where these symbols come
498 from different shared libraries */
499 if (h1 != NULL
500 && (((h1->root.root.type == bfd_link_hash_defined
501 || h1->root.root.type == bfd_link_hash_defweak)
502 && ! bfd_is_abs_section (h1->root.root.u.def.section))
503 || h2->root.root.type == bfd_link_hash_indirect))
505 /* See if there is a "builtin" fixup already present
506 involving this symbol. If so, convert it to a regular
507 fixup. In the end, this relaxes some of the requirements
508 about the order of performing fixups. */
509 exists = FALSE;
510 for (f1 = linux_hash_table (info)->fixup_list;
511 f1 != NULL;
512 f1 = f1->next)
514 if ((f1->h != h && f1->h != h1)
515 || (! f1->builtin && ! f1->jump))
516 continue;
517 if (f1->h == h1)
518 exists = TRUE;
519 if (! exists
520 && bfd_is_abs_section (h->root.root.u.def.section))
522 f = new_fixup (info, h1, f1->h->root.root.u.def.value, 0);
523 f->jump = is_plt;
525 f1->h = h1;
526 f1->jump = is_plt;
527 f1->builtin = 0;
528 exists = TRUE;
530 if (! exists
531 && bfd_is_abs_section (h->root.root.u.def.section))
533 f = new_fixup (info, h1, h->root.root.u.def.value, 0);
534 if (f == NULL)
536 /* FIXME: No way to return error. */
537 abort ();
539 f->jump = is_plt;
543 /* Quick and dirty way of stripping these symbols from the
544 symtab. */
545 if (bfd_is_abs_section (h->root.root.u.def.section))
546 h->root.written = TRUE;
549 return TRUE;
552 /* This is called to set the size of the .linux-dynamic section is.
553 It is called by the Linux linker emulation before_allocation
554 routine. We have finished reading all of the input files, and now
555 we just scan the hash tables to find out how many additional fixups
556 are required. */
558 bfd_boolean
559 bfd_m68klinux_size_dynamic_sections (output_bfd, info)
560 bfd *output_bfd;
561 struct bfd_link_info *info;
563 struct fixup *f;
564 asection *s;
566 if (output_bfd->xvec != &MY(vec))
567 return TRUE;
569 /* First find the fixups... */
570 linux_link_hash_traverse (linux_hash_table (info),
571 linux_tally_symbols,
572 (PTR) info);
574 /* If there are builtin fixups, leave room for a marker. This is
575 used by the dynamic linker so that it knows that all that follow
576 are builtin fixups instead of regular fixups. */
577 for (f = linux_hash_table (info)->fixup_list; f != NULL; f = f->next)
579 if (f->builtin)
581 ++linux_hash_table (info)->fixup_count;
582 ++linux_hash_table (info)->local_builtins;
583 break;
587 if (linux_hash_table (info)->dynobj == NULL)
589 if (linux_hash_table (info)->fixup_count > 0)
590 abort ();
591 return TRUE;
594 /* Allocate memory for our fixup table. We will fill it in later. */
595 s = bfd_get_section_by_name (linux_hash_table (info)->dynobj,
596 ".linux-dynamic");
597 if (s != NULL)
599 s->size = linux_hash_table (info)->fixup_count + 1;
600 s->size *= 8;
601 s->contents = (bfd_byte *) bfd_zalloc (output_bfd, s->size);
602 if (s->contents == NULL)
604 bfd_set_error (bfd_error_no_memory);
605 return FALSE;
609 return TRUE;
612 /* We come here once we are ready to actually write the fixup table to
613 the output file. Scan the fixup tables and so forth and generate
614 the stuff we need. */
616 static bfd_boolean
617 linux_finish_dynamic_link (output_bfd, info)
618 bfd *output_bfd;
619 struct bfd_link_info *info;
621 asection *s, *os, *is;
622 bfd_byte *fixup_table;
623 struct linux_link_hash_entry *h;
624 struct fixup *f;
625 unsigned int new_addr;
626 int section_offset;
627 unsigned int fixups_written;
629 if (linux_hash_table (info)->dynobj == NULL)
630 return TRUE;
632 s = bfd_get_section_by_name (linux_hash_table (info)->dynobj,
633 ".linux-dynamic");
634 BFD_ASSERT (s != NULL);
635 os = s->output_section;
636 fixups_written = 0;
638 #ifdef LINUX_LINK_DEBUG
639 printf ("Fixup table file offset: %x VMA: %x\n",
640 os->filepos + s->output_offset,
641 os->vma + s->output_offset);
642 #endif
644 fixup_table = s->contents;
645 bfd_put_32 (output_bfd, (bfd_vma) linux_hash_table (info)->fixup_count,
646 fixup_table);
647 fixup_table += 4;
649 /* Fill in fixup table. */
650 for (f = linux_hash_table (info)->fixup_list; f != NULL; f = f->next)
652 if (f->builtin)
653 continue;
655 if (f->h->root.root.type != bfd_link_hash_defined
656 && f->h->root.root.type != bfd_link_hash_defweak)
658 (*_bfd_error_handler)
659 (_("Symbol %s not defined for fixups\n"),
660 f->h->root.root.root.string);
661 continue;
664 is = f->h->root.root.u.def.section;
665 section_offset = is->output_section->vma + is->output_offset;
666 new_addr = f->h->root.root.u.def.value + section_offset;
668 #ifdef LINUX_LINK_DEBUG
669 printf ("Fixup(%d) %s: %x %x\n",f->jump, f->h->root.root.string,
670 new_addr, f->value);
671 #endif
673 if (f->jump)
675 bfd_put_32 (output_bfd, (bfd_vma) new_addr, fixup_table);
676 fixup_table += 4;
677 bfd_put_32 (output_bfd, f->value + 2, fixup_table);
678 fixup_table += 4;
680 else
682 bfd_put_32 (output_bfd, (bfd_vma) new_addr, fixup_table);
683 fixup_table += 4;
684 bfd_put_32 (output_bfd, f->value, fixup_table);
685 fixup_table += 4;
687 ++fixups_written;
690 if (linux_hash_table (info)->local_builtins != 0)
692 /* Special marker so we know to switch to the other type of fixup */
693 bfd_put_32 (output_bfd, (bfd_vma) 0, fixup_table);
694 fixup_table += 4;
695 bfd_put_32 (output_bfd, (bfd_vma) 0, fixup_table);
696 fixup_table += 4;
697 ++fixups_written;
698 for (f = linux_hash_table (info)->fixup_list; f != NULL; f = f->next)
700 if (! f->builtin)
701 continue;
703 if (f->h->root.root.type != bfd_link_hash_defined
704 && f->h->root.root.type != bfd_link_hash_defweak)
706 (*_bfd_error_handler)
707 (_("Symbol %s not defined for fixups\n"),
708 f->h->root.root.root.string);
709 continue;
712 is = f->h->root.root.u.def.section;
713 section_offset = is->output_section->vma + is->output_offset;
714 new_addr = f->h->root.root.u.def.value + section_offset;
716 #ifdef LINUX_LINK_DEBUG
717 printf ("Fixup(B) %s: %x %x\n", f->h->root.root.string,
718 new_addr, f->value);
719 #endif
721 bfd_put_32 (output_bfd, (bfd_vma) new_addr, fixup_table);
722 fixup_table += 4;
723 bfd_put_32 (output_bfd, f->value, fixup_table);
724 fixup_table += 4;
725 ++fixups_written;
729 if (linux_hash_table (info)->fixup_count != fixups_written)
731 (*_bfd_error_handler) (_("Warning: fixup count mismatch\n"));
732 while (linux_hash_table (info)->fixup_count > fixups_written)
734 bfd_put_32 (output_bfd, (bfd_vma) 0, fixup_table);
735 fixup_table += 4;
736 bfd_put_32 (output_bfd, (bfd_vma) 0, fixup_table);
737 fixup_table += 4;
738 ++fixups_written;
742 h = linux_link_hash_lookup (linux_hash_table (info),
743 "__BUILTIN_FIXUPS__",
744 FALSE, FALSE, FALSE);
746 if (h != NULL
747 && (h->root.root.type == bfd_link_hash_defined
748 || h->root.root.type == bfd_link_hash_defweak))
750 is = h->root.root.u.def.section;
751 section_offset = is->output_section->vma + is->output_offset;
752 new_addr = h->root.root.u.def.value + section_offset;
754 #ifdef LINUX_LINK_DEBUG
755 printf ("Builtin fixup table at %x\n", new_addr);
756 #endif
758 bfd_put_32 (output_bfd, (bfd_vma) new_addr, fixup_table);
760 else
761 bfd_put_32 (output_bfd, (bfd_vma) 0, fixup_table);
763 if (bfd_seek (output_bfd, (file_ptr) (os->filepos + s->output_offset),
764 SEEK_SET) != 0)
765 return FALSE;
767 if (bfd_bwrite ((PTR) s->contents, s->size, output_bfd) != s->size)
768 return FALSE;
770 return TRUE;
773 #define MY_bfd_link_hash_table_create linux_link_hash_table_create
774 #define MY_add_one_symbol linux_add_one_symbol
775 #define MY_finish_dynamic_link linux_finish_dynamic_link
777 #define MY_zmagic_contiguous 1
779 #include "aout-target.h"