1 /* BFD backend for SunOS binaries.
2 Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
3 Written by Cygnus Support.
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 #define TARGETNAME "a.out-sunos-big"
22 #define MY(OP) CAT(sunos_big_,OP)
28 /* Static routines defined in this file. */
30 static boolean sunos_read_dynamic_info PARAMS ((bfd *));
31 static long sunos_get_dynamic_symtab_upper_bound PARAMS ((bfd *));
32 static boolean sunos_slurp_dynamic_symtab PARAMS ((bfd *));
33 static long sunos_canonicalize_dynamic_symtab PARAMS ((bfd *, asymbol **));
34 static long sunos_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
35 static long sunos_canonicalize_dynamic_reloc
36 PARAMS ((bfd *, arelent **, asymbol **));
37 static struct bfd_hash_entry *sunos_link_hash_newfunc
38 PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
39 static struct bfd_link_hash_table *sunos_link_hash_table_create
41 static boolean sunos_create_dynamic_sections
42 PARAMS ((bfd *, struct bfd_link_info *, boolean));
43 static boolean sunos_add_dynamic_symbols
44 PARAMS ((bfd *, struct bfd_link_info *, struct external_nlist **,
45 bfd_size_type *, char **));
46 static boolean sunos_add_one_symbol
47 PARAMS ((struct bfd_link_info *, bfd *, const char *, flagword, asection *,
48 bfd_vma, const char *, boolean, boolean,
49 struct bfd_link_hash_entry **));
50 static boolean sunos_scan_relocs
51 PARAMS ((struct bfd_link_info *, bfd *, asection *, bfd_size_type));
52 static boolean sunos_scan_std_relocs
53 PARAMS ((struct bfd_link_info *, bfd *, asection *,
54 const struct reloc_std_external *, bfd_size_type));
55 static boolean sunos_scan_ext_relocs
56 PARAMS ((struct bfd_link_info *, bfd *, asection *,
57 const struct reloc_ext_external *, bfd_size_type));
58 static boolean sunos_link_dynamic_object
59 PARAMS ((struct bfd_link_info *, bfd *));
60 static boolean sunos_write_dynamic_symbol
61 PARAMS ((bfd *, struct bfd_link_info *, struct aout_link_hash_entry *));
62 static boolean sunos_check_dynamic_reloc
63 PARAMS ((struct bfd_link_info *, bfd *, asection *,
64 struct aout_link_hash_entry *, PTR, bfd_byte *, boolean *,
66 static boolean sunos_finish_dynamic_link
67 PARAMS ((bfd *, struct bfd_link_info *));
69 #define MY_get_dynamic_symtab_upper_bound sunos_get_dynamic_symtab_upper_bound
70 #define MY_canonicalize_dynamic_symtab sunos_canonicalize_dynamic_symtab
71 #define MY_get_dynamic_reloc_upper_bound sunos_get_dynamic_reloc_upper_bound
72 #define MY_canonicalize_dynamic_reloc sunos_canonicalize_dynamic_reloc
73 #define MY_bfd_link_hash_table_create sunos_link_hash_table_create
74 #define MY_add_dynamic_symbols sunos_add_dynamic_symbols
75 #define MY_add_one_symbol sunos_add_one_symbol
76 #define MY_link_dynamic_object sunos_link_dynamic_object
77 #define MY_write_dynamic_symbol sunos_write_dynamic_symbol
78 #define MY_check_dynamic_reloc sunos_check_dynamic_reloc
79 #define MY_finish_dynamic_link sunos_finish_dynamic_link
81 /* Include the usual a.out support. */
84 /* SunOS shared library support. We store a pointer to this structure
85 in obj_aout_dynamic_info (abfd). */
87 struct sunos_dynamic_info
89 /* Whether we found any dynamic information. */
91 /* Dynamic information. */
92 struct internal_sun4_dynamic_link dyninfo;
93 /* Number of dynamic symbols. */
94 unsigned long dynsym_count;
95 /* Read in nlists for dynamic symbols. */
96 struct external_nlist *dynsym;
97 /* asymbol structures for dynamic symbols. */
98 aout_symbol_type *canonical_dynsym;
99 /* Read in dynamic string table. */
101 /* Number of dynamic relocs. */
102 unsigned long dynrel_count;
103 /* Read in dynamic relocs. This may be reloc_std_external or
104 reloc_ext_external. */
106 /* arelent structures for dynamic relocs. */
107 arelent *canonical_dynrel;
110 /* The hash table of dynamic symbols is composed of two word entries.
111 See include/aout/sun4.h for details. */
113 #define HASH_ENTRY_SIZE (2 * BYTES_IN_WORD)
115 /* Read in the basic dynamic information. This locates the __DYNAMIC
116 structure and uses it to find the dynamic_link structure. It
117 creates and saves a sunos_dynamic_info structure. If it can't find
118 __DYNAMIC, it sets the valid field of the sunos_dynamic_info
119 structure to false to avoid doing this work again. */
122 sunos_read_dynamic_info (abfd)
125 struct sunos_dynamic_info *info;
128 struct external_sun4_dynamic dyninfo;
129 unsigned long dynver;
130 struct external_sun4_dynamic_link linkinfo;
132 if (obj_aout_dynamic_info (abfd) != (PTR) NULL)
135 if ((abfd->flags & DYNAMIC) == 0)
137 bfd_set_error (bfd_error_invalid_operation);
141 info = ((struct sunos_dynamic_info *)
142 bfd_zalloc (abfd, sizeof (struct sunos_dynamic_info)));
145 bfd_set_error (bfd_error_no_memory);
151 info->canonical_dynsym = NULL;
153 info->canonical_dynrel = NULL;
154 obj_aout_dynamic_info (abfd) = (PTR) info;
156 /* This code used to look for the __DYNAMIC symbol to locate the dynamic
158 However this inhibits recovering the dynamic symbols from a
159 stripped object file, so blindly assume that the dynamic linking
160 information is located at the start of the data section.
161 We could verify this assumption later by looking through the dynamic
162 symbols for the __DYNAMIC symbol. */
163 if ((abfd->flags & DYNAMIC) == 0)
165 if (! bfd_get_section_contents (abfd, obj_datasec (abfd), (PTR) &dyninfo,
166 (file_ptr) 0, sizeof dyninfo))
169 dynver = GET_WORD (abfd, dyninfo.ld_version);
170 if (dynver != 2 && dynver != 3)
173 dynoff = GET_WORD (abfd, dyninfo.ld);
175 /* dynoff is a virtual address. It is probably always in the .data
176 section, but this code should work even if it moves. */
177 if (dynoff < bfd_get_section_vma (abfd, obj_datasec (abfd)))
178 dynsec = obj_textsec (abfd);
180 dynsec = obj_datasec (abfd);
181 dynoff -= bfd_get_section_vma (abfd, dynsec);
182 if (dynoff > bfd_section_size (abfd, dynsec))
185 /* This executable appears to be dynamically linked in a way that we
187 if (! bfd_get_section_contents (abfd, dynsec, (PTR) &linkinfo, dynoff,
188 (bfd_size_type) sizeof linkinfo))
191 /* Swap in the dynamic link information. */
192 info->dyninfo.ld_loaded = GET_WORD (abfd, linkinfo.ld_loaded);
193 info->dyninfo.ld_need = GET_WORD (abfd, linkinfo.ld_need);
194 info->dyninfo.ld_rules = GET_WORD (abfd, linkinfo.ld_rules);
195 info->dyninfo.ld_got = GET_WORD (abfd, linkinfo.ld_got);
196 info->dyninfo.ld_plt = GET_WORD (abfd, linkinfo.ld_plt);
197 info->dyninfo.ld_rel = GET_WORD (abfd, linkinfo.ld_rel);
198 info->dyninfo.ld_hash = GET_WORD (abfd, linkinfo.ld_hash);
199 info->dyninfo.ld_stab = GET_WORD (abfd, linkinfo.ld_stab);
200 info->dyninfo.ld_stab_hash = GET_WORD (abfd, linkinfo.ld_stab_hash);
201 info->dyninfo.ld_buckets = GET_WORD (abfd, linkinfo.ld_buckets);
202 info->dyninfo.ld_symbols = GET_WORD (abfd, linkinfo.ld_symbols);
203 info->dyninfo.ld_symb_size = GET_WORD (abfd, linkinfo.ld_symb_size);
204 info->dyninfo.ld_text = GET_WORD (abfd, linkinfo.ld_text);
205 info->dyninfo.ld_plt_sz = GET_WORD (abfd, linkinfo.ld_plt_sz);
207 /* Reportedly the addresses need to be offset by the size of the
208 exec header in an NMAGIC file. */
209 if (adata (abfd).magic == n_magic)
211 unsigned long exec_bytes_size = adata (abfd).exec_bytes_size;
213 info->dyninfo.ld_need += exec_bytes_size;
214 info->dyninfo.ld_rules += exec_bytes_size;
215 info->dyninfo.ld_rel += exec_bytes_size;
216 info->dyninfo.ld_hash += exec_bytes_size;
217 info->dyninfo.ld_stab += exec_bytes_size;
218 info->dyninfo.ld_symbols += exec_bytes_size;
221 /* The only way to get the size of the symbol information appears to
222 be to determine the distance between it and the string table. */
223 info->dynsym_count = ((info->dyninfo.ld_symbols - info->dyninfo.ld_stab)
224 / EXTERNAL_NLIST_SIZE);
225 BFD_ASSERT (info->dynsym_count * EXTERNAL_NLIST_SIZE
226 == (unsigned long) (info->dyninfo.ld_symbols
227 - info->dyninfo.ld_stab));
229 /* Similarly, the relocs end at the hash table. */
230 info->dynrel_count = ((info->dyninfo.ld_hash - info->dyninfo.ld_rel)
231 / obj_reloc_entry_size (abfd));
232 BFD_ASSERT (info->dynrel_count * obj_reloc_entry_size (abfd)
233 == (unsigned long) (info->dyninfo.ld_hash
234 - info->dyninfo.ld_rel));
241 /* Return the amount of memory required for the dynamic symbols. */
244 sunos_get_dynamic_symtab_upper_bound (abfd)
247 struct sunos_dynamic_info *info;
249 if (! sunos_read_dynamic_info (abfd))
252 info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
255 bfd_set_error (bfd_error_no_symbols);
259 return (info->dynsym_count + 1) * sizeof (asymbol *);
262 /* Read the external dynamic symbols. */
265 sunos_slurp_dynamic_symtab (abfd)
268 struct sunos_dynamic_info *info;
270 /* Get the general dynamic information. */
271 if (obj_aout_dynamic_info (abfd) == NULL)
273 if (! sunos_read_dynamic_info (abfd))
277 info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
280 bfd_set_error (bfd_error_no_symbols);
284 /* Get the dynamic nlist structures. */
285 if (info->dynsym == (struct external_nlist *) NULL)
287 info->dynsym = ((struct external_nlist *)
290 * EXTERNAL_NLIST_SIZE)));
291 if (info->dynsym == NULL && info->dynsym_count != 0)
293 bfd_set_error (bfd_error_no_memory);
296 if (bfd_seek (abfd, info->dyninfo.ld_stab, SEEK_SET) != 0
297 || (bfd_read ((PTR) info->dynsym, info->dynsym_count,
298 EXTERNAL_NLIST_SIZE, abfd)
299 != info->dynsym_count * EXTERNAL_NLIST_SIZE))
301 if (info->dynsym != NULL)
303 bfd_release (abfd, info->dynsym);
310 /* Get the dynamic strings. */
311 if (info->dynstr == (char *) NULL)
313 info->dynstr = (char *) bfd_alloc (abfd, info->dyninfo.ld_symb_size);
314 if (info->dynstr == NULL && info->dyninfo.ld_symb_size != 0)
316 bfd_set_error (bfd_error_no_memory);
319 if (bfd_seek (abfd, info->dyninfo.ld_symbols, SEEK_SET) != 0
320 || (bfd_read ((PTR) info->dynstr, 1, info->dyninfo.ld_symb_size,
322 != info->dyninfo.ld_symb_size))
324 if (info->dynstr != NULL)
326 bfd_release (abfd, info->dynstr);
336 /* Read in the dynamic symbols. */
339 sunos_canonicalize_dynamic_symtab (abfd, storage)
343 struct sunos_dynamic_info *info;
346 if (! sunos_slurp_dynamic_symtab (abfd))
349 info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
351 #ifdef CHECK_DYNAMIC_HASH
352 /* Check my understanding of the dynamic hash table by making sure
353 that each symbol can be located in the hash table. */
355 bfd_size_type table_size;
359 if (info->dyninfo.ld_buckets > info->dynsym_count)
361 table_size = info->dyninfo.ld_stab - info->dyninfo.ld_hash;
362 table = (bfd_byte *) malloc (table_size);
363 if (table == NULL && table_size != 0)
365 if (bfd_seek (abfd, info->dyninfo.ld_hash, SEEK_SET) != 0
366 || bfd_read ((PTR) table, 1, table_size, abfd) != table_size)
368 for (i = 0; i < info->dynsym_count; i++)
373 name = ((unsigned char *) info->dynstr
374 + GET_WORD (abfd, info->dynsym[i].e_strx));
376 while (*name != '\0')
377 hash = (hash << 1) + *name++;
379 hash %= info->dyninfo.ld_buckets;
380 while (GET_WORD (abfd, table + hash * HASH_ENTRY_SIZE) != i)
382 hash = GET_WORD (abfd,
383 table + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD);
384 if (hash == 0 || hash >= table_size / HASH_ENTRY_SIZE)
390 #endif /* CHECK_DYNAMIC_HASH */
392 /* Get the asymbol structures corresponding to the dynamic nlist
394 if (info->canonical_dynsym == (aout_symbol_type *) NULL)
396 info->canonical_dynsym = ((aout_symbol_type *)
399 * sizeof (aout_symbol_type))));
400 if (info->canonical_dynsym == NULL && info->dynsym_count != 0)
402 bfd_set_error (bfd_error_no_memory);
406 if (! aout_32_translate_symbol_table (abfd, info->canonical_dynsym,
407 info->dynsym, info->dynsym_count,
409 info->dyninfo.ld_symb_size,
412 if (info->canonical_dynsym != NULL)
414 bfd_release (abfd, info->canonical_dynsym);
415 info->canonical_dynsym = NULL;
421 /* Return pointers to the dynamic asymbol structures. */
422 for (i = 0; i < info->dynsym_count; i++)
423 *storage++ = (asymbol *) (info->canonical_dynsym + i);
426 return info->dynsym_count;
429 /* Return the amount of memory required for the dynamic relocs. */
432 sunos_get_dynamic_reloc_upper_bound (abfd)
435 struct sunos_dynamic_info *info;
437 if (! sunos_read_dynamic_info (abfd))
440 info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
443 bfd_set_error (bfd_error_no_symbols);
447 return (info->dynrel_count + 1) * sizeof (arelent *);
450 /* Read in the dynamic relocs. */
453 sunos_canonicalize_dynamic_reloc (abfd, storage, syms)
458 struct sunos_dynamic_info *info;
461 /* Get the general dynamic information. */
462 if (obj_aout_dynamic_info (abfd) == (PTR) NULL)
464 if (! sunos_read_dynamic_info (abfd))
468 info = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
471 bfd_set_error (bfd_error_no_symbols);
475 /* Get the dynamic reloc information. */
476 if (info->dynrel == NULL)
478 info->dynrel = (PTR) bfd_alloc (abfd,
480 * obj_reloc_entry_size (abfd)));
481 if (info->dynrel == NULL && info->dynrel_count != 0)
483 bfd_set_error (bfd_error_no_memory);
486 if (bfd_seek (abfd, info->dyninfo.ld_rel, SEEK_SET) != 0
487 || (bfd_read ((PTR) info->dynrel, info->dynrel_count,
488 obj_reloc_entry_size (abfd), abfd)
489 != info->dynrel_count * obj_reloc_entry_size (abfd)))
491 if (info->dynrel != NULL)
493 bfd_release (abfd, info->dynrel);
500 /* Get the arelent structures corresponding to the dynamic reloc
502 if (info->canonical_dynrel == (arelent *) NULL)
506 info->canonical_dynrel = ((arelent *)
509 * sizeof (arelent))));
510 if (info->canonical_dynrel == NULL && info->dynrel_count != 0)
512 bfd_set_error (bfd_error_no_memory);
516 to = info->canonical_dynrel;
518 if (obj_reloc_entry_size (abfd) == RELOC_EXT_SIZE)
520 register struct reloc_ext_external *p;
521 struct reloc_ext_external *pend;
523 p = (struct reloc_ext_external *) info->dynrel;
524 pend = p + info->dynrel_count;
525 for (; p < pend; p++, to++)
526 NAME(aout,swap_ext_reloc_in) (abfd, p, to, syms,
531 register struct reloc_std_external *p;
532 struct reloc_std_external *pend;
534 p = (struct reloc_std_external *) info->dynrel;
535 pend = p + info->dynrel_count;
536 for (; p < pend; p++, to++)
537 NAME(aout,swap_std_reloc_in) (abfd, p, to, syms,
542 /* Return pointers to the dynamic arelent structures. */
543 for (i = 0; i < info->dynrel_count; i++)
544 *storage++ = info->canonical_dynrel + i;
547 return info->dynrel_count;
550 /* Code to handle linking of SunOS shared libraries. */
552 /* A SPARC procedure linkage table entry is 12 bytes. The first entry
553 in the table is a jump which is filled in by the runtime linker.
554 The remaining entries are branches back to the first entry,
555 followed by an index into the relocation table encoded to look like
558 #define SPARC_PLT_ENTRY_SIZE (12)
560 static const bfd_byte sparc_plt_first_entry[SPARC_PLT_ENTRY_SIZE] =
562 /* sethi %hi(0),%g1; address filled in by runtime linker. */
564 /* jmp %g1; offset filled in by runtime linker. */
570 /* save %sp, -96, %sp */
571 #define SPARC_PLT_ENTRY_WORD0 0x9de3bfa0
572 /* call; address filled in later. */
573 #define SPARC_PLT_ENTRY_WORD1 0x40000000
574 /* sethi; reloc index filled in later. */
575 #define SPARC_PLT_ENTRY_WORD2 0x01000000
577 /* This sequence is used when for the jump table entry to a defined
578 symbol in a complete executable. It is used when linking PIC
579 compiled code which is not being put into a shared library. */
580 /* sethi <address to be filled in later>, %g1 */
581 #define SPARC_PLT_PIC_WORD0 0x03000000
582 /* jmp %g1 + <address to be filled in later> */
583 #define SPARC_PLT_PIC_WORD1 0x81c06000
585 #define SPARC_PLT_PIC_WORD2 0x01000000
587 /* An m68k procedure linkage table entry is 8 bytes. The first entry
588 in the table is a jump which is filled in the by the runtime
589 linker. The remaining entries are branches back to the first
590 entry, followed by a two byte index into the relocation table. */
592 #define M68K_PLT_ENTRY_SIZE (8)
594 static const bfd_byte m68k_plt_first_entry[M68K_PLT_ENTRY_SIZE] =
598 /* Filled in by runtime linker with a magic address. */
605 #define M68K_PLT_ENTRY_WORD0 (0x61ff)
606 /* Remaining words filled in later. */
608 /* An entry in the SunOS linker hash table. */
610 struct sunos_link_hash_entry
612 struct aout_link_hash_entry root;
614 /* If this is a dynamic symbol, this is its index into the dynamic
615 symbol table. This is initialized to -1. As the linker looks at
616 the input files, it changes this to -2 if it will be added to the
617 dynamic symbol table. After all the input files have been seen,
618 the linker will know whether to build a dynamic symbol table; if
619 it does build one, this becomes the index into the table. */
622 /* If this is a dynamic symbol, this is the index of the name in the
623 dynamic symbol string table. */
626 /* The offset into the global offset table used for this symbol. If
627 the symbol does not require a GOT entry, this is 0. */
630 /* The offset into the procedure linkage table used for this symbol.
631 If the symbol does not require a PLT entry, this is 0. */
634 /* Some linker flags. */
636 /* Symbol is referenced by a regular object. */
637 #define SUNOS_REF_REGULAR 01
638 /* Symbol is defined by a regular object. */
639 #define SUNOS_DEF_REGULAR 02
640 /* Symbol is referenced by a dynamic object. */
641 #define SUNOS_REF_DYNAMIC 010
642 /* Symbol is defined by a dynamic object. */
643 #define SUNOS_DEF_DYNAMIC 020
646 /* The SunOS linker hash table. */
648 struct sunos_link_hash_table
650 struct aout_link_hash_table root;
652 /* The object which holds the dynamic sections. */
655 /* Whether we have created the dynamic sections. */
656 boolean dynamic_sections_created;
658 /* Whether we need the dynamic sections. */
659 boolean dynamic_sections_needed;
661 /* The number of dynamic symbols. */
664 /* The number of buckets in the hash table. */
667 /* The list of dynamic objects needed by dynamic objects included in
669 struct bfd_link_needed_list *needed;
672 /* Routine to create an entry in an SunOS link hash table. */
674 static struct bfd_hash_entry *
675 sunos_link_hash_newfunc (entry, table, string)
676 struct bfd_hash_entry *entry;
677 struct bfd_hash_table *table;
680 struct sunos_link_hash_entry *ret = (struct sunos_link_hash_entry *) entry;
682 /* Allocate the structure if it has not already been allocated by a
684 if (ret == (struct sunos_link_hash_entry *) NULL)
685 ret = ((struct sunos_link_hash_entry *)
686 bfd_hash_allocate (table, sizeof (struct sunos_link_hash_entry)));
687 if (ret == (struct sunos_link_hash_entry *) NULL)
689 bfd_set_error (bfd_error_no_memory);
690 return (struct bfd_hash_entry *) ret;
693 /* Call the allocation method of the superclass. */
694 ret = ((struct sunos_link_hash_entry *)
695 NAME(aout,link_hash_newfunc) ((struct bfd_hash_entry *) ret,
699 /* Set local fields. */
701 ret->dynstr_index = -1;
707 return (struct bfd_hash_entry *) ret;
710 /* Create a SunOS link hash table. */
712 static struct bfd_link_hash_table *
713 sunos_link_hash_table_create (abfd)
716 struct sunos_link_hash_table *ret;
718 ret = ((struct sunos_link_hash_table *)
719 bfd_alloc (abfd, sizeof (struct sunos_link_hash_table)));
720 if (ret == (struct sunos_link_hash_table *) NULL)
722 bfd_set_error (bfd_error_no_memory);
723 return (struct bfd_link_hash_table *) NULL;
725 if (! NAME(aout,link_hash_table_init) (&ret->root, abfd,
726 sunos_link_hash_newfunc))
728 bfd_release (abfd, ret);
729 return (struct bfd_link_hash_table *) NULL;
733 ret->dynamic_sections_created = false;
734 ret->dynamic_sections_needed = false;
735 ret->dynsymcount = 0;
736 ret->bucketcount = 0;
739 return &ret->root.root;
742 /* Look up an entry in an SunOS link hash table. */
744 #define sunos_link_hash_lookup(table, string, create, copy, follow) \
745 ((struct sunos_link_hash_entry *) \
746 aout_link_hash_lookup (&(table)->root, (string), (create), (copy),\
749 /* Traverse a SunOS link hash table. */
751 #define sunos_link_hash_traverse(table, func, info) \
752 (aout_link_hash_traverse \
754 (boolean (*) PARAMS ((struct aout_link_hash_entry *, PTR))) (func), \
757 /* Get the SunOS link hash table from the info structure. This is
760 #define sunos_hash_table(p) ((struct sunos_link_hash_table *) ((p)->hash))
762 static boolean sunos_scan_dynamic_symbol
763 PARAMS ((struct sunos_link_hash_entry *, PTR));
765 /* Create the dynamic sections needed if we are linking against a
766 dynamic object, or if we are linking PIC compiled code. ABFD is a
767 bfd we can attach the dynamic sections to. The linker script will
768 look for these special sections names and put them in the right
769 place in the output file. See include/aout/sun4.h for more details
770 of the dynamic linking information. */
773 sunos_create_dynamic_sections (abfd, info, needed)
775 struct bfd_link_info *info;
780 if (! sunos_hash_table (info)->dynamic_sections_created)
784 sunos_hash_table (info)->dynobj = abfd;
786 flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY;
788 /* The .dynamic section holds the basic dynamic information: the
789 sun4_dynamic structure, the dynamic debugger information, and
790 the sun4_dynamic_link structure. */
791 s = bfd_make_section (abfd, ".dynamic");
793 || ! bfd_set_section_flags (abfd, s, flags)
794 || ! bfd_set_section_alignment (abfd, s, 2))
797 /* The .got section holds the global offset table. The address
798 is put in the ld_got field. */
799 s = bfd_make_section (abfd, ".got");
801 || ! bfd_set_section_flags (abfd, s, flags)
802 || ! bfd_set_section_alignment (abfd, s, 2))
805 /* The .plt section holds the procedure linkage table. The
806 address is put in the ld_plt field. */
807 s = bfd_make_section (abfd, ".plt");
809 || ! bfd_set_section_flags (abfd, s, flags | SEC_CODE)
810 || ! bfd_set_section_alignment (abfd, s, 2))
813 /* The .dynrel section holds the dynamic relocs. The address is
814 put in the ld_rel field. */
815 s = bfd_make_section (abfd, ".dynrel");
817 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
818 || ! bfd_set_section_alignment (abfd, s, 2))
821 /* The .hash section holds the dynamic hash table. The address
822 is put in the ld_hash field. */
823 s = bfd_make_section (abfd, ".hash");
825 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
826 || ! bfd_set_section_alignment (abfd, s, 2))
829 /* The .dynsym section holds the dynamic symbols. The address
830 is put in the ld_stab field. */
831 s = bfd_make_section (abfd, ".dynsym");
833 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
834 || ! bfd_set_section_alignment (abfd, s, 2))
837 /* The .dynstr section holds the dynamic symbol string table.
838 The address is put in the ld_symbols field. */
839 s = bfd_make_section (abfd, ".dynstr");
841 || ! bfd_set_section_flags (abfd, s, flags | SEC_READONLY)
842 || ! bfd_set_section_alignment (abfd, s, 2))
845 sunos_hash_table (info)->dynamic_sections_created = true;
848 if (needed && ! sunos_hash_table (info)->dynamic_sections_needed)
852 dynobj = sunos_hash_table (info)->dynobj;
854 s = bfd_get_section_by_name (dynobj, ".got");
855 s->_raw_size = BYTES_IN_WORD;
857 sunos_hash_table (info)->dynamic_sections_needed = true;
863 /* Add dynamic symbols during a link. This is called by the a.out
864 backend linker when it encounters an object with the DYNAMIC flag
868 sunos_add_dynamic_symbols (abfd, info, symsp, sym_countp, stringsp)
870 struct bfd_link_info *info;
871 struct external_nlist **symsp;
872 bfd_size_type *sym_countp;
877 struct sunos_dynamic_info *dinfo;
880 /* We do not want to include the sections in a dynamic object in the
881 output file. We hack by simply clobbering the list of sections
882 in the BFD. This could be handled more cleanly by, say, a new
883 section flag; the existing SEC_NEVER_LOAD flag is not the one we
884 want, because that one still implies that the section takes up
885 space in the output file. */
886 abfd->sections = NULL;
888 /* The native linker seems to just ignore dynamic objects when -r is
890 if (info->relocateable)
893 /* There's no hope of using a dynamic object which does not exactly
894 match the format of the output file. */
895 if (info->hash->creator != abfd->xvec)
897 bfd_set_error (bfd_error_invalid_operation);
901 /* Make sure we have all the required information. */
902 if (! sunos_create_dynamic_sections (abfd, info, true))
905 /* Make sure we have a .need and a .rules sections. These are only
906 needed if there really is a dynamic object in the link, so they
907 are not added by sunos_create_dynamic_sections. */
908 dynobj = sunos_hash_table (info)->dynobj;
909 if (bfd_get_section_by_name (dynobj, ".need") == NULL)
911 /* The .need section holds the list of names of shared objets
912 which must be included at runtime. The address of this
913 section is put in the ld_need field. */
914 s = bfd_make_section (dynobj, ".need");
916 || ! bfd_set_section_flags (dynobj, s,
922 || ! bfd_set_section_alignment (dynobj, s, 2))
926 if (bfd_get_section_by_name (dynobj, ".rules") == NULL)
928 /* The .rules section holds the path to search for shared
929 objects. The address of this section is put in the ld_rules
931 s = bfd_make_section (dynobj, ".rules");
933 || ! bfd_set_section_flags (dynobj, s,
939 || ! bfd_set_section_alignment (dynobj, s, 2))
943 /* Pick up the dynamic symbols and return them to the caller. */
944 if (! sunos_slurp_dynamic_symtab (abfd))
947 dinfo = (struct sunos_dynamic_info *) obj_aout_dynamic_info (abfd);
948 *symsp = dinfo->dynsym;
949 *sym_countp = dinfo->dynsym_count;
950 *stringsp = dinfo->dynstr;
952 /* Record information about any other objects needed by this one. */
953 need = dinfo->dyninfo.ld_need;
957 unsigned long name, flags;
958 unsigned short major, minor;
959 struct bfd_link_needed_list *needed, **pp;
962 if (bfd_seek (abfd, need, SEEK_SET) != 0
963 || bfd_read (buf, 1, 16, abfd) != 16)
966 /* For the format of an ld_need entry, see aout/sun4.h. We
967 should probably define structs for this manipulation. */
969 name = bfd_get_32 (abfd, buf);
970 flags = bfd_get_32 (abfd, buf + 4);
971 major = bfd_get_16 (abfd, buf + 8);
972 minor = bfd_get_16 (abfd, buf + 10);
973 need = bfd_get_32 (abfd, buf + 12);
975 needed = bfd_alloc (abfd, sizeof (struct bfd_link_needed_list));
978 bfd_set_error (bfd_error_no_memory);
983 /* We return the name as [-l]name[.maj][.min]. */
985 if ((flags & 0x80000000) != 0)
986 bfd_alloc_grow (abfd, "-l", 2);
987 if (bfd_seek (abfd, name, SEEK_SET) != 0)
991 if (bfd_read (&b, 1, 1, abfd) != 1)
993 bfd_alloc_grow (abfd, &b, 1);
1000 sprintf (verbuf, ".%d", major);
1001 bfd_alloc_grow (abfd, verbuf, strlen (verbuf));
1004 sprintf (verbuf, ".%d", minor);
1005 bfd_alloc_grow (abfd, verbuf, strlen (verbuf));
1008 needed->name = bfd_alloc_finish (abfd);
1009 if (needed->name == NULL)
1011 bfd_set_error (bfd_error_no_memory);
1015 needed->next = NULL;
1017 for (pp = &sunos_hash_table (info)->needed;
1027 /* Function to add a single symbol to the linker hash table. This is
1028 a wrapper around _bfd_generic_link_add_one_symbol which handles the
1029 tweaking needed for dynamic linking support. */
1032 sunos_add_one_symbol (info, abfd, name, flags, section, value, string,
1033 copy, collect, hashp)
1034 struct bfd_link_info *info;
1043 struct bfd_link_hash_entry **hashp;
1045 struct sunos_link_hash_entry *h;
1048 if (! sunos_hash_table (info)->dynamic_sections_created)
1050 /* We must create the dynamic sections while reading the input
1051 files, even though at this point we don't know if any of the
1052 sections will be needed. This will ensure that the dynamic
1053 sections are mapped to the right output section. It does no
1054 harm to create these sections if they are not needed. */
1055 if (! sunos_create_dynamic_sections (abfd, info, false))
1059 h = sunos_link_hash_lookup (sunos_hash_table (info), name, true, copy,
1065 *hashp = (struct bfd_link_hash_entry *) h;
1067 /* Treat a common symbol in a dynamic object as defined in the .bss
1068 section of the dynamic object. We don't want to allocate space
1069 for it in our process image. */
1070 if ((abfd->flags & DYNAMIC) != 0
1071 && bfd_is_com_section (section))
1072 section = obj_bsssec (abfd);
1074 if (! bfd_is_und_section (section)
1075 && h->root.root.type != bfd_link_hash_new
1076 && h->root.root.type != bfd_link_hash_undefined
1077 && h->root.root.type != bfd_link_hash_defweak)
1079 /* We are defining the symbol, and it is already defined. This
1080 is a potential multiple definition error. */
1081 if ((abfd->flags & DYNAMIC) != 0)
1083 /* The definition we are adding is from a dynamic object.
1084 We do not want this new definition to override the
1085 existing definition, so we pretend it is just a
1087 section = bfd_und_section_ptr;
1089 else if (h->root.root.type == bfd_link_hash_defined
1090 && h->root.root.u.def.section->owner != NULL
1091 && (h->root.root.u.def.section->owner->flags & DYNAMIC) != 0)
1093 /* The existing definition is from a dynamic object. We
1094 want to override it with the definition we just found.
1095 Clobber the existing definition. */
1096 h->root.root.type = bfd_link_hash_new;
1098 else if (h->root.root.type == bfd_link_hash_common
1099 && (h->root.root.u.c.p->section->owner->flags & DYNAMIC) != 0)
1101 /* The existing definition is from a dynamic object. We
1102 want to override it with the definition we just found.
1103 Clobber the existing definition. We can't set it to new,
1104 because it is on the undefined list. */
1105 h->root.root.type = bfd_link_hash_undefined;
1106 h->root.root.u.undef.abfd = h->root.root.u.c.p->section->owner;
1110 /* Do the usual procedure for adding a symbol. */
1111 if (! _bfd_generic_link_add_one_symbol (info, abfd, name, flags, section,
1112 value, string, copy, collect,
1116 if (abfd->xvec == info->hash->creator)
1118 /* Set a flag in the hash table entry indicating the type of
1119 reference or definition we just found. Keep a count of the
1120 number of dynamic symbols we find. A dynamic symbol is one
1121 which is referenced or defined by both a regular object and a
1123 if ((abfd->flags & DYNAMIC) == 0)
1125 if (bfd_is_und_section (section))
1126 new_flag = SUNOS_REF_REGULAR;
1128 new_flag = SUNOS_DEF_REGULAR;
1132 if (bfd_is_und_section (section))
1133 new_flag = SUNOS_REF_DYNAMIC;
1135 new_flag = SUNOS_DEF_DYNAMIC;
1137 h->flags |= new_flag;
1139 if (h->dynindx == -1
1140 && (h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0)
1142 ++sunos_hash_table (info)->dynsymcount;
1150 /* Return the list of objects needed by BFD. */
1153 struct bfd_link_needed_list *
1154 bfd_sunos_get_needed_list (abfd, info)
1156 struct bfd_link_info *info;
1158 return sunos_hash_table (info)->needed;
1161 /* Record an assignment made to a symbol by a linker script. We need
1162 this in case some dynamic object refers to this symbol. */
1165 bfd_sunos_record_link_assignment (output_bfd, info, name)
1167 struct bfd_link_info *info;
1170 struct sunos_link_hash_entry *h;
1172 /* This is called after we have examined all the input objects. If
1173 the symbol does not exist, it merely means that no object refers
1174 to it, and we can just ignore it at this point. */
1175 h = sunos_link_hash_lookup (sunos_hash_table (info), name,
1176 false, false, false);
1180 /* In a shared library, the __DYNAMIC symbol does not appear in the
1181 dynamic symbol table. */
1182 if (! info->shared || strcmp (name, "__DYNAMIC") != 0)
1184 h->flags |= SUNOS_DEF_REGULAR;
1186 if (h->dynindx == -1)
1188 ++sunos_hash_table (info)->dynsymcount;
1196 /* Set up the sizes and contents of the dynamic sections created in
1197 sunos_add_dynamic_symbols. This is called by the SunOS linker
1198 emulation before_allocation routine. We must set the sizes of the
1199 sections before the linker sets the addresses of the various
1200 sections. This unfortunately requires reading all the relocs so
1201 that we can work out which ones need to become dynamic relocs. If
1202 info->keep_memory is true, we keep the relocs in memory; otherwise,
1203 we discard them, and will read them again later. */
1206 bfd_sunos_size_dynamic_sections (output_bfd, info, sdynptr, sneedptr,
1209 struct bfd_link_info *info;
1211 asection **sneedptr;
1212 asection **srulesptr;
1216 struct sunos_link_hash_entry *h;
1227 /* Look through all the input BFD's and read their relocs. It would
1228 be better if we didn't have to do this, but there is no other way
1229 to determine the number of dynamic relocs we need, and, more
1230 importantly, there is no other way to know which symbols should
1231 get an entry in the procedure linkage table. */
1232 for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
1234 if ((sub->flags & DYNAMIC) == 0)
1236 if (! sunos_scan_relocs (info, sub, obj_textsec (sub),
1237 exec_hdr (sub)->a_trsize)
1238 || ! sunos_scan_relocs (info, sub, obj_datasec (sub),
1239 exec_hdr (sub)->a_drsize))
1244 dynobj = sunos_hash_table (info)->dynobj;
1245 dynsymcount = sunos_hash_table (info)->dynsymcount;
1247 /* If there were no dynamic objects in the link, and we don't need
1248 to build a global offset table, there is nothing to do here. */
1249 if (! sunos_hash_table (info)->dynamic_sections_needed)
1252 /* If __GLOBAL_OFFSET_TABLE_ was mentioned, define it. */
1253 h = sunos_link_hash_lookup (sunos_hash_table (info),
1254 "__GLOBAL_OFFSET_TABLE_", false, false, false);
1255 if (h != NULL && (h->flags & SUNOS_REF_REGULAR) != 0)
1257 h->flags |= SUNOS_DEF_REGULAR;
1258 if (h->dynindx == -1)
1260 ++sunos_hash_table (info)->dynsymcount;
1263 h->root.root.type = bfd_link_hash_defined;
1264 h->root.root.u.def.section = bfd_get_section_by_name (dynobj, ".got");
1265 h->root.root.u.def.value = 0;
1268 /* The .dynamic section is always the same size. */
1269 s = bfd_get_section_by_name (dynobj, ".dynamic");
1270 BFD_ASSERT (s != NULL);
1271 s->_raw_size = (sizeof (struct external_sun4_dynamic)
1272 + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE
1273 + sizeof (struct external_sun4_dynamic_link));
1275 /* Set the size of the .dynsym and .hash sections. We counted the
1276 number of dynamic symbols as we read the input files. We will
1277 build the dynamic symbol table (.dynsym) and the hash table
1278 (.hash) when we build the final symbol table, because until then
1279 we do not know the correct value to give the symbols. We build
1280 the dynamic symbol string table (.dynstr) in a traversal of the
1281 symbol table using sunos_scan_dynamic_symbol. */
1282 s = bfd_get_section_by_name (dynobj, ".dynsym");
1283 BFD_ASSERT (s != NULL);
1284 s->_raw_size = dynsymcount * sizeof (struct external_nlist);
1285 s->contents = (bfd_byte *) bfd_alloc (output_bfd, s->_raw_size);
1286 if (s->contents == NULL && s->_raw_size != 0)
1288 bfd_set_error (bfd_error_no_memory);
1292 /* The number of buckets is just the number of symbols divided by
1293 four. To compute the final size of the hash table, we must
1294 actually compute the hash table. Normally we need exactly as
1295 many entries in the hash table as there are dynamic symbols, but
1296 if some of the buckets are not used we will need additional
1297 entries. In the worst case, every symbol will hash to the same
1298 bucket, and we will need BUCKETCOUNT - 1 extra entries. */
1299 if (dynsymcount >= 4)
1300 bucketcount = dynsymcount / 4;
1301 else if (dynsymcount > 0)
1302 bucketcount = dynsymcount;
1305 s = bfd_get_section_by_name (dynobj, ".hash");
1306 BFD_ASSERT (s != NULL);
1307 hashalloc = (dynsymcount + bucketcount - 1) * HASH_ENTRY_SIZE;
1308 s->contents = (bfd_byte *) bfd_alloc (dynobj, hashalloc);
1309 if (s->contents == NULL && dynsymcount > 0)
1311 bfd_set_error (bfd_error_no_memory);
1314 memset (s->contents, 0, hashalloc);
1315 for (i = 0; i < bucketcount; i++)
1316 PUT_WORD (output_bfd, (bfd_vma) -1, s->contents + i * HASH_ENTRY_SIZE);
1317 s->_raw_size = bucketcount * HASH_ENTRY_SIZE;
1319 sunos_hash_table (info)->bucketcount = bucketcount;
1321 /* Scan all the symbols, place them in the dynamic symbol table, and
1322 build the dynamic hash table. We reuse dynsymcount as a counter
1323 for the number of symbols we have added so far. */
1324 sunos_hash_table (info)->dynsymcount = 0;
1325 sunos_link_hash_traverse (sunos_hash_table (info),
1326 sunos_scan_dynamic_symbol,
1328 BFD_ASSERT (sunos_hash_table (info)->dynsymcount == dynsymcount);
1330 /* The SunOS native linker seems to align the total size of the
1331 symbol strings to a multiple of 8. I don't know if this is
1332 important, but it can't hurt much. */
1333 s = bfd_get_section_by_name (dynobj, ".dynstr");
1334 BFD_ASSERT (s != NULL);
1335 if ((s->_raw_size & 7) != 0)
1340 add = 8 - (s->_raw_size & 7);
1341 contents = (bfd_byte *) realloc (s->contents,
1342 (size_t) (s->_raw_size + add));
1343 if (contents == NULL)
1345 bfd_set_error (bfd_error_no_memory);
1348 memset (contents + s->_raw_size, 0, (size_t) add);
1349 s->contents = contents;
1350 s->_raw_size += add;
1353 /* Now that we have worked out the sizes of the procedure linkage
1354 table and the dynamic relocs, allocate storage for them. */
1355 s = bfd_get_section_by_name (dynobj, ".plt");
1356 BFD_ASSERT (s != NULL);
1357 if (s->_raw_size != 0)
1359 s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size);
1360 if (s->contents == NULL)
1362 bfd_set_error (bfd_error_no_memory);
1366 /* Fill in the first entry in the table. */
1367 switch (bfd_get_arch (dynobj))
1369 case bfd_arch_sparc:
1370 memcpy (s->contents, sparc_plt_first_entry, SPARC_PLT_ENTRY_SIZE);
1374 memcpy (s->contents, m68k_plt_first_entry, M68K_PLT_ENTRY_SIZE);
1382 s = bfd_get_section_by_name (dynobj, ".dynrel");
1383 if (s->_raw_size != 0)
1385 s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size);
1386 if (s->contents == NULL)
1388 bfd_set_error (bfd_error_no_memory);
1392 /* We use the reloc_count field to keep track of how many of the
1393 relocs we have output so far. */
1396 /* Make space for the global offset table. */
1397 s = bfd_get_section_by_name (dynobj, ".got");
1398 s->contents = (bfd_byte *) bfd_alloc (dynobj, s->_raw_size);
1399 if (s->contents == NULL)
1401 bfd_set_error (bfd_error_no_memory);
1405 *sdynptr = bfd_get_section_by_name (dynobj, ".dynamic");
1406 *sneedptr = bfd_get_section_by_name (dynobj, ".need");
1407 *srulesptr = bfd_get_section_by_name (dynobj, ".rules");
1412 /* Scan the relocs for an input section. */
1415 sunos_scan_relocs (info, abfd, sec, rel_size)
1416 struct bfd_link_info *info;
1419 bfd_size_type rel_size;
1422 PTR free_relocs = NULL;
1427 if (! info->keep_memory)
1428 relocs = free_relocs = malloc ((size_t) rel_size);
1431 struct aout_section_data_struct *n;
1433 n = ((struct aout_section_data_struct *)
1434 bfd_alloc (abfd, sizeof (struct aout_section_data_struct)));
1439 set_aout_section_data (sec, n);
1440 relocs = malloc ((size_t) rel_size);
1441 aout_section_data (sec)->relocs = relocs;
1446 bfd_set_error (bfd_error_no_memory);
1450 if (bfd_seek (abfd, sec->rel_filepos, SEEK_SET) != 0
1451 || bfd_read (relocs, 1, rel_size, abfd) != rel_size)
1454 if (obj_reloc_entry_size (abfd) == RELOC_STD_SIZE)
1456 if (! sunos_scan_std_relocs (info, abfd, sec,
1457 (struct reloc_std_external *) relocs,
1463 if (! sunos_scan_ext_relocs (info, abfd, sec,
1464 (struct reloc_ext_external *) relocs,
1469 if (free_relocs != NULL)
1475 if (free_relocs != NULL)
1480 /* Scan the relocs for an input section using standard relocs. We
1481 need to figure out what to do for each reloc against a dynamic
1482 symbol. If the symbol is in the .text section, an entry is made in
1483 the procedure linkage table. Note that this will do the wrong
1484 thing if the symbol is actually data; I don't think the Sun 3
1485 native linker handles this case correctly either. If the symbol is
1486 not in the .text section, we must preserve the reloc as a dynamic
1487 reloc. FIXME: We should also handle the PIC relocs here by
1488 building global offset table entries. */
1491 sunos_scan_std_relocs (info, abfd, sec, relocs, rel_size)
1492 struct bfd_link_info *info;
1495 const struct reloc_std_external *relocs;
1496 bfd_size_type rel_size;
1499 asection *splt = NULL;
1500 asection *srel = NULL;
1501 struct sunos_link_hash_entry **sym_hashes;
1502 const struct reloc_std_external *rel, *relend;
1504 /* We only know how to handle m68k plt entries. */
1505 if (bfd_get_arch (abfd) != bfd_arch_m68k)
1507 bfd_set_error (bfd_error_invalid_target);
1513 sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd);
1515 relend = relocs + rel_size / RELOC_STD_SIZE;
1516 for (rel = relocs; rel < relend; rel++)
1519 struct sunos_link_hash_entry *h;
1521 /* We only want relocs against external symbols. */
1522 if (abfd->xvec->header_byteorder_big_p)
1524 if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_BIG) == 0)
1529 if ((rel->r_type[0] & RELOC_STD_BITS_EXTERN_LITTLE) == 0)
1533 /* Get the symbol index. */
1534 if (abfd->xvec->header_byteorder_big_p)
1535 r_index = ((rel->r_index[0] << 16)
1536 | (rel->r_index[1] << 8)
1539 r_index = ((rel->r_index[2] << 16)
1540 | (rel->r_index[1] << 8)
1543 /* Get the hash table entry. */
1544 h = sym_hashes[r_index];
1547 /* This should not normally happen, but it will in any case
1548 be caught in the relocation phase. */
1552 /* At this point common symbols have already been allocated, so
1553 we don't have to worry about them. We need to consider that
1554 we may have already seen this symbol and marked it undefined;
1555 if the symbol is really undefined, then SUNOS_DEF_DYNAMIC
1557 if (h->root.root.type != bfd_link_hash_defined
1558 && h->root.root.type != bfd_link_hash_defweak
1559 && h->root.root.type != bfd_link_hash_undefined)
1562 if ((h->flags & SUNOS_DEF_DYNAMIC) == 0
1563 || (h->flags & SUNOS_DEF_REGULAR) != 0)
1568 if (! sunos_create_dynamic_sections (abfd, info, true))
1570 dynobj = sunos_hash_table (info)->dynobj;
1571 splt = bfd_get_section_by_name (dynobj, ".plt");
1572 srel = bfd_get_section_by_name (dynobj, ".dynrel");
1573 BFD_ASSERT (splt != NULL && srel != NULL);
1576 BFD_ASSERT ((h->flags & SUNOS_REF_REGULAR) != 0);
1577 BFD_ASSERT (h->plt_offset != 0
1578 || ((h->root.root.type == bfd_link_hash_defined
1579 || h->root.root.type == bfd_link_hash_defweak)
1580 ? (h->root.root.u.def.section->owner->flags
1582 : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0));
1584 /* This reloc is against a symbol defined only by a dynamic
1587 if (h->root.root.type == bfd_link_hash_undefined)
1589 /* Presumably this symbol was marked as being undefined by
1590 an earlier reloc. */
1591 srel->_raw_size += RELOC_STD_SIZE;
1593 else if ((h->root.root.u.def.section->flags & SEC_CODE) == 0)
1597 /* This reloc is not in the .text section. It must be
1598 copied into the dynamic relocs. We mark the symbol as
1600 srel->_raw_size += RELOC_STD_SIZE;
1601 sub = h->root.root.u.def.section->owner;
1602 h->root.root.type = bfd_link_hash_undefined;
1603 h->root.root.u.undef.abfd = sub;
1607 /* This symbol is in the .text section. We must give it an
1608 entry in the procedure linkage table, if we have not
1609 already done so. We change the definition of the symbol
1610 to the .plt section; this will cause relocs against it to
1611 be handled correctly. */
1612 if (h->plt_offset == 0)
1614 if (splt->_raw_size == 0)
1615 splt->_raw_size = M68K_PLT_ENTRY_SIZE;
1616 h->plt_offset = splt->_raw_size;
1618 if ((h->flags & SUNOS_DEF_REGULAR) == 0)
1620 h->root.root.u.def.section = splt;
1621 h->root.root.u.def.value = splt->_raw_size;
1624 splt->_raw_size += M68K_PLT_ENTRY_SIZE;
1626 /* We may also need a dynamic reloc entry. */
1627 if ((h->flags & SUNOS_DEF_REGULAR) == 0)
1628 srel->_raw_size += RELOC_STD_SIZE;
1636 /* Scan the relocs for an input section using extended relocs. We
1637 need to figure out what to do for each reloc against a dynamic
1638 symbol. If the reloc is a WDISP30, and the symbol is in the .text
1639 section, an entry is made in the procedure linkage table.
1640 Otherwise, we must preserve the reloc as a dynamic reloc. */
1643 sunos_scan_ext_relocs (info, abfd, sec, relocs, rel_size)
1644 struct bfd_link_info *info;
1647 const struct reloc_ext_external *relocs;
1648 bfd_size_type rel_size;
1651 struct sunos_link_hash_entry **sym_hashes;
1652 const struct reloc_ext_external *rel, *relend;
1653 asection *splt = NULL;
1654 asection *sgot = NULL;
1655 asection *srel = NULL;
1657 /* We only know how to handle SPARC plt entries. */
1658 if (bfd_get_arch (abfd) != bfd_arch_sparc)
1660 bfd_set_error (bfd_error_invalid_target);
1666 sym_hashes = (struct sunos_link_hash_entry **) obj_aout_sym_hashes (abfd);
1668 relend = relocs + rel_size / RELOC_EXT_SIZE;
1669 for (rel = relocs; rel < relend; rel++)
1671 unsigned int r_index;
1674 struct sunos_link_hash_entry *h = NULL;
1676 /* Swap in the reloc information. */
1677 if (abfd->xvec->header_byteorder_big_p)
1679 r_index = ((rel->r_index[0] << 16)
1680 | (rel->r_index[1] << 8)
1682 r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_BIG));
1683 r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG)
1684 >> RELOC_EXT_BITS_TYPE_SH_BIG);
1688 r_index = ((rel->r_index[2] << 16)
1689 | (rel->r_index[1] << 8)
1691 r_extern = (0 != (rel->r_type[0] & RELOC_EXT_BITS_EXTERN_LITTLE));
1692 r_type = ((rel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE)
1693 >> RELOC_EXT_BITS_TYPE_SH_LITTLE);
1698 h = sym_hashes[r_index];
1701 /* This should not normally happen, but it will in any
1702 case be caught in the relocation phase. */
1708 if (r_index >= bfd_get_symcount (abfd))
1710 /* This is abnormal, but should be caught in the
1711 relocation phase. */
1716 /* If this is a base relative reloc, we need to make an entry in
1717 the .got section. */
1718 if (r_type == RELOC_BASE10
1719 || r_type == RELOC_BASE13
1720 || r_type == RELOC_BASE22)
1724 if (! sunos_create_dynamic_sections (abfd, info, true))
1726 dynobj = sunos_hash_table (info)->dynobj;
1727 splt = bfd_get_section_by_name (dynobj, ".plt");
1728 sgot = bfd_get_section_by_name (dynobj, ".got");
1729 srel = bfd_get_section_by_name (dynobj, ".dynrel");
1730 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
1735 if (h->got_offset != 0)
1738 h->got_offset = sgot->_raw_size;
1742 if (adata (abfd).local_got_offsets == NULL)
1744 adata (abfd).local_got_offsets =
1745 (bfd_vma *) bfd_zalloc (abfd,
1746 (bfd_get_symcount (abfd)
1747 * sizeof (bfd_vma)));
1748 if (adata (abfd).local_got_offsets == NULL)
1750 bfd_set_error (bfd_error_no_memory);
1755 if (adata (abfd).local_got_offsets[r_index] != 0)
1758 adata (abfd).local_got_offsets[r_index] = sgot->_raw_size;
1761 sgot->_raw_size += BYTES_IN_WORD;
1763 /* If we are making a shared library, or if the symbol is
1764 defined by a dynamic object, we will need a dynamic reloc
1768 && (h->flags & SUNOS_DEF_DYNAMIC) != 0
1769 && (h->flags & SUNOS_DEF_REGULAR) == 0))
1770 srel->_raw_size += RELOC_EXT_SIZE;
1775 /* Otherwise, we are only interested in relocs against symbols
1776 defined in dynamic objects but not in regular objects. We
1777 only need to consider relocs against external symbols. */
1780 /* But, if we are creating a shared library, we need to
1781 generate an absolute reloc. */
1786 if (! sunos_create_dynamic_sections (abfd, info, true))
1788 dynobj = sunos_hash_table (info)->dynobj;
1789 splt = bfd_get_section_by_name (dynobj, ".plt");
1790 sgot = bfd_get_section_by_name (dynobj, ".got");
1791 srel = bfd_get_section_by_name (dynobj, ".dynrel");
1792 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
1795 srel->_raw_size += RELOC_EXT_SIZE;
1801 /* At this point common symbols have already been allocated, so
1802 we don't have to worry about them. We need to consider that
1803 we may have already seen this symbol and marked it undefined;
1804 if the symbol is really undefined, then SUNOS_DEF_DYNAMIC
1806 if (h->root.root.type != bfd_link_hash_defined
1807 && h->root.root.type != bfd_link_hash_defweak
1808 && h->root.root.type != bfd_link_hash_undefined)
1811 if (r_type != RELOC_JMP_TBL
1813 && ((h->flags & SUNOS_DEF_DYNAMIC) == 0
1814 || (h->flags & SUNOS_DEF_REGULAR) != 0))
1817 if (strcmp (h->root.root.root.string, "__GLOBAL_OFFSET_TABLE_") == 0)
1822 if (! sunos_create_dynamic_sections (abfd, info, true))
1824 dynobj = sunos_hash_table (info)->dynobj;
1825 splt = bfd_get_section_by_name (dynobj, ".plt");
1826 sgot = bfd_get_section_by_name (dynobj, ".got");
1827 srel = bfd_get_section_by_name (dynobj, ".dynrel");
1828 BFD_ASSERT (splt != NULL && sgot != NULL && srel != NULL);
1831 BFD_ASSERT (r_type == RELOC_JMP_TBL
1832 || (h->flags & SUNOS_REF_REGULAR) != 0);
1833 BFD_ASSERT (r_type == RELOC_JMP_TBL
1835 || h->plt_offset != 0
1836 || ((h->root.root.type == bfd_link_hash_defined
1837 || h->root.root.type == bfd_link_hash_defweak)
1838 ? (h->root.root.u.def.section->owner->flags
1840 : (h->root.root.u.undef.abfd->flags & DYNAMIC) != 0));
1842 /* This reloc is against a symbol defined only by a dynamic
1843 object, or it is a jump table reloc from PIC compiled code. */
1845 if (r_type != RELOC_JMP_TBL
1846 && h->root.root.type == bfd_link_hash_undefined)
1848 /* Presumably this symbol was marked as being undefined by
1849 an earlier reloc. */
1850 srel->_raw_size += RELOC_EXT_SIZE;
1852 else if (r_type != RELOC_JMP_TBL
1853 && (h->root.root.u.def.section->flags & SEC_CODE) == 0)
1857 /* This reloc is not in the .text section. It must be
1858 copied into the dynamic relocs. We mark the symbol as
1860 srel->_raw_size += RELOC_EXT_SIZE;
1861 if ((h->flags & SUNOS_DEF_REGULAR) == 0)
1863 sub = h->root.root.u.def.section->owner;
1864 h->root.root.type = bfd_link_hash_undefined;
1865 h->root.root.u.undef.abfd = sub;
1870 /* This symbol is in the .text section. We must give it an
1871 entry in the procedure linkage table, if we have not
1872 already done so. We change the definition of the symbol
1873 to the .plt section; this will cause relocs against it to
1874 be handled correctly. */
1875 if (h->plt_offset == 0)
1877 if (splt->_raw_size == 0)
1878 splt->_raw_size = SPARC_PLT_ENTRY_SIZE;
1879 h->plt_offset = splt->_raw_size;
1881 if ((h->flags & SUNOS_DEF_REGULAR) == 0)
1883 if (h->root.root.type == bfd_link_hash_undefined)
1884 h->root.root.type = bfd_link_hash_defined;
1885 h->root.root.u.def.section = splt;
1886 h->root.root.u.def.value = splt->_raw_size;
1889 splt->_raw_size += SPARC_PLT_ENTRY_SIZE;
1891 /* We will also need a dynamic reloc entry, unless this
1892 is a JMP_TBL reloc produced by linking PIC compiled
1893 code, and we are not making a shared library. */
1894 if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0)
1895 srel->_raw_size += RELOC_EXT_SIZE;
1898 /* If we are creating a shared library, we need to copy over
1899 any reloc other than a jump table reloc. */
1900 if (info->shared && r_type != RELOC_JMP_TBL)
1901 srel->_raw_size += RELOC_EXT_SIZE;
1908 /* Build the hash table of dynamic symbols, and to mark as written all
1909 symbols from dynamic objects which we do not plan to write out. */
1912 sunos_scan_dynamic_symbol (h, data)
1913 struct sunos_link_hash_entry *h;
1916 struct bfd_link_info *info = (struct bfd_link_info *) data;
1918 /* Set the written flag for symbols we do not want to write out as
1919 part of the regular symbol table. This is all symbols which are
1920 not defined in a regular object file. For some reason symbols
1921 which are referenced by a regular object and defined by a dynamic
1922 object do not seem to show up in the regular symbol table. */
1923 if ((h->flags & SUNOS_DEF_REGULAR) == 0
1924 && strcmp (h->root.root.root.string, "__DYNAMIC") != 0)
1925 h->root.written = true;
1927 /* If this symbol is defined by a dynamic object and referenced by a
1928 regular object, see whether we gave it a reasonable value while
1929 scanning the relocs. */
1931 if ((h->flags & SUNOS_DEF_REGULAR) == 0
1932 && (h->flags & SUNOS_DEF_DYNAMIC) != 0
1933 && (h->flags & SUNOS_REF_REGULAR) != 0)
1935 if ((h->root.root.type == bfd_link_hash_defined
1936 || h->root.root.type == bfd_link_hash_defweak)
1937 && ((h->root.root.u.def.section->owner->flags & DYNAMIC) != 0)
1938 && h->root.root.u.def.section->output_section == NULL)
1942 /* This symbol is currently defined in a dynamic section
1943 which is not being put into the output file. This
1944 implies that there is no reloc against the symbol. I'm
1945 not sure why this case would ever occur. In any case, we
1946 change the symbol to be undefined. */
1947 sub = h->root.root.u.def.section->owner;
1948 h->root.root.type = bfd_link_hash_undefined;
1949 h->root.root.u.undef.abfd = sub;
1953 /* If this symbol is defined or referenced by a regular file, add it
1954 to the dynamic symbols. */
1955 if ((h->flags & (SUNOS_DEF_REGULAR | SUNOS_REF_REGULAR)) != 0)
1960 unsigned char *name;
1964 BFD_ASSERT (h->dynindx == -2);
1966 dynobj = sunos_hash_table (info)->dynobj;
1968 h->dynindx = sunos_hash_table (info)->dynsymcount;
1969 ++sunos_hash_table (info)->dynsymcount;
1971 len = strlen (h->root.root.root.string);
1973 /* We don't bother to construct a BFD hash table for the strings
1974 which are the names of the dynamic symbols. Using a hash
1975 table for the regular symbols is beneficial, because the
1976 regular symbols includes the debugging symbols, which have
1977 long names and are often duplicated in several object files.
1978 There are no debugging symbols in the dynamic symbols. */
1979 s = bfd_get_section_by_name (dynobj, ".dynstr");
1980 BFD_ASSERT (s != NULL);
1981 if (s->contents == NULL)
1982 contents = (bfd_byte *) malloc (len + 1);
1984 contents = (bfd_byte *) realloc (s->contents,
1985 (size_t) (s->_raw_size + len + 1));
1986 if (contents == NULL)
1988 bfd_set_error (bfd_error_no_memory);
1991 s->contents = contents;
1993 h->dynstr_index = s->_raw_size;
1994 strcpy (contents + s->_raw_size, h->root.root.root.string);
1995 s->_raw_size += len + 1;
1997 /* Add it to the dynamic hash table. */
1998 name = (unsigned char *) h->root.root.root.string;
2000 while (*name != '\0')
2001 hash = (hash << 1) + *name++;
2003 hash %= sunos_hash_table (info)->bucketcount;
2005 s = bfd_get_section_by_name (dynobj, ".hash");
2006 BFD_ASSERT (s != NULL);
2008 if (GET_SWORD (dynobj, s->contents + hash * HASH_ENTRY_SIZE) == -1)
2009 PUT_WORD (dynobj, h->dynindx, s->contents + hash * HASH_ENTRY_SIZE);
2014 next = GET_WORD (dynobj,
2016 + hash * HASH_ENTRY_SIZE
2018 PUT_WORD (dynobj, s->_raw_size / HASH_ENTRY_SIZE,
2019 s->contents + hash * HASH_ENTRY_SIZE + BYTES_IN_WORD);
2020 PUT_WORD (dynobj, h->dynindx, s->contents + s->_raw_size);
2021 PUT_WORD (dynobj, next, s->contents + s->_raw_size + BYTES_IN_WORD);
2022 s->_raw_size += HASH_ENTRY_SIZE;
2029 /* Link a dynamic object. We actually don't have anything to do at
2030 this point. This entry point exists to prevent the regular linker
2031 code from doing anything with the object. */
2035 sunos_link_dynamic_object (info, abfd)
2036 struct bfd_link_info *info;
2042 /* Write out a dynamic symbol. This is called by the final traversal
2043 over the symbol table. */
2046 sunos_write_dynamic_symbol (output_bfd, info, harg)
2048 struct bfd_link_info *info;
2049 struct aout_link_hash_entry *harg;
2051 struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg;
2055 struct external_nlist *outsym;
2060 switch (h->root.root.type)
2063 case bfd_link_hash_new:
2065 /* Avoid variable not initialized warnings. */
2067 case bfd_link_hash_undefined:
2068 type = N_UNDF | N_EXT;
2071 case bfd_link_hash_defined:
2072 case bfd_link_hash_defweak:
2075 asection *output_section;
2077 sec = h->root.root.u.def.section;
2078 output_section = sec->output_section;
2079 BFD_ASSERT (bfd_is_abs_section (output_section)
2080 || output_section->owner == output_bfd);
2081 if (h->plt_offset != 0
2082 && (h->flags & SUNOS_DEF_REGULAR) == 0)
2084 type = N_UNDF | N_EXT;
2089 if (output_section == obj_textsec (output_bfd))
2090 type = (h->root.root.type == bfd_link_hash_defined
2093 else if (output_section == obj_datasec (output_bfd))
2094 type = (h->root.root.type == bfd_link_hash_defined
2097 else if (output_section == obj_bsssec (output_bfd))
2098 type = (h->root.root.type == bfd_link_hash_defined
2102 type = (h->root.root.type == bfd_link_hash_defined
2106 val = (h->root.root.u.def.value
2107 + output_section->vma
2108 + sec->output_offset);
2112 case bfd_link_hash_common:
2113 type = N_UNDF | N_EXT;
2114 val = h->root.root.u.c.size;
2116 case bfd_link_hash_undefweak:
2120 case bfd_link_hash_indirect:
2121 case bfd_link_hash_warning:
2122 /* FIXME: Ignore these for now. The circumstances under which
2123 they should be written out are not clear to me. */
2127 s = bfd_get_section_by_name (sunos_hash_table (info)->dynobj, ".dynsym");
2128 BFD_ASSERT (s != NULL);
2129 outsym = ((struct external_nlist *)
2130 (s->contents + h->dynindx * EXTERNAL_NLIST_SIZE));
2132 bfd_h_put_8 (output_bfd, type, outsym->e_type);
2133 bfd_h_put_8 (output_bfd, 0, outsym->e_other);
2135 /* FIXME: The native linker doesn't use 0 for desc. It seems to use
2136 one less than the desc value in the shared library, although that
2138 bfd_h_put_16 (output_bfd, 0, outsym->e_desc);
2140 PUT_WORD (output_bfd, h->dynstr_index, outsym->e_strx);
2141 PUT_WORD (output_bfd, val, outsym->e_value);
2143 /* If this symbol is in the procedure linkage table, fill in the
2145 if (h->plt_offset != 0)
2153 dynobj = sunos_hash_table (info)->dynobj;
2154 splt = bfd_get_section_by_name (dynobj, ".plt");
2155 p = splt->contents + h->plt_offset;
2157 s = bfd_get_section_by_name (dynobj, ".dynrel");
2159 r_address = (splt->output_section->vma
2160 + splt->output_offset
2163 switch (bfd_get_arch (output_bfd))
2165 case bfd_arch_sparc:
2166 if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0)
2168 bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD0, p);
2169 bfd_put_32 (output_bfd,
2170 (SPARC_PLT_ENTRY_WORD1
2171 + (((- (h->plt_offset + 4) >> 2)
2174 bfd_put_32 (output_bfd, SPARC_PLT_ENTRY_WORD2 + s->reloc_count,
2181 val = (h->root.root.u.def.section->output_section->vma
2182 + h->root.root.u.def.section->output_offset
2183 + h->root.root.u.def.value);
2184 bfd_put_32 (output_bfd,
2185 SPARC_PLT_PIC_WORD0 + ((val >> 10) & 0x3fffff),
2187 bfd_put_32 (output_bfd,
2188 SPARC_PLT_PIC_WORD1 + (val & 0x3ff),
2190 bfd_put_32 (output_bfd, SPARC_PLT_PIC_WORD2, p + 8);
2195 if (! info->shared && (h->flags & SUNOS_DEF_REGULAR) != 0)
2197 bfd_put_16 (output_bfd, M68K_PLT_ENTRY_WORD0, p);
2198 bfd_put_32 (output_bfd, (- (h->plt_offset + 2)), p + 2);
2199 bfd_put_16 (output_bfd, s->reloc_count, p + 6);
2207 /* We also need to add a jump table reloc, unless this is the
2208 result of a JMP_TBL reloc from PIC compiled code. */
2209 if (info->shared || (h->flags & SUNOS_DEF_REGULAR) == 0)
2211 BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj)
2213 p = s->contents + s->reloc_count * obj_reloc_entry_size (output_bfd);
2214 if (obj_reloc_entry_size (output_bfd) == RELOC_STD_SIZE)
2216 struct reloc_std_external *srel;
2218 srel = (struct reloc_std_external *) p;
2219 PUT_WORD (output_bfd, r_address, srel->r_address);
2220 if (output_bfd->xvec->header_byteorder_big_p)
2222 srel->r_index[0] = h->dynindx >> 16;
2223 srel->r_index[1] = h->dynindx >> 8;
2224 srel->r_index[2] = h->dynindx;
2225 srel->r_type[0] = (RELOC_STD_BITS_EXTERN_BIG
2226 | RELOC_STD_BITS_JMPTABLE_BIG);
2230 srel->r_index[2] = h->dynindx >> 16;
2231 srel->r_index[1] = h->dynindx >> 8;
2232 srel->r_index[0] = h->dynindx;
2233 srel->r_type[0] = (RELOC_STD_BITS_EXTERN_LITTLE
2234 | RELOC_STD_BITS_JMPTABLE_LITTLE);
2239 struct reloc_ext_external *erel;
2241 erel = (struct reloc_ext_external *) p;
2242 PUT_WORD (output_bfd, r_address, erel->r_address);
2243 if (output_bfd->xvec->header_byteorder_big_p)
2245 erel->r_index[0] = h->dynindx >> 16;
2246 erel->r_index[1] = h->dynindx >> 8;
2247 erel->r_index[2] = h->dynindx;
2249 (RELOC_EXT_BITS_EXTERN_BIG
2250 | (RELOC_JMP_SLOT << RELOC_EXT_BITS_TYPE_SH_BIG));
2254 erel->r_index[2] = h->dynindx >> 16;
2255 erel->r_index[1] = h->dynindx >> 8;
2256 erel->r_index[0] = h->dynindx;
2258 (RELOC_EXT_BITS_EXTERN_LITTLE
2259 | (RELOC_JMP_SLOT << RELOC_EXT_BITS_TYPE_SH_LITTLE));
2261 PUT_WORD (output_bfd, (bfd_vma) 0, erel->r_addend);
2271 /* This is called for each reloc against an external symbol. If this
2272 is a reloc which are are going to copy as a dynamic reloc, then
2273 copy it over, and tell the caller to not bother processing this
2278 sunos_check_dynamic_reloc (info, input_bfd, input_section, harg, reloc,
2279 contents, skip, relocationp)
2280 struct bfd_link_info *info;
2282 asection *input_section;
2283 struct aout_link_hash_entry *harg;
2287 bfd_vma *relocationp;
2289 struct sunos_link_hash_entry *h = (struct sunos_link_hash_entry *) harg;
2299 dynobj = sunos_hash_table (info)->dynobj;
2301 if (h != NULL && h->plt_offset != 0)
2305 /* Redirect the relocation to the PLT entry. */
2306 splt = bfd_get_section_by_name (dynobj, ".plt");
2307 *relocationp = (splt->output_section->vma
2308 + splt->output_offset
2312 if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE)
2314 struct reloc_std_external *srel;
2316 srel = (struct reloc_std_external *) reloc;
2317 if (input_bfd->xvec->header_byteorder_big_p)
2319 baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_BIG));
2320 jmptbl = (0 != (srel->r_type[0] & RELOC_STD_BITS_JMPTABLE_BIG));
2324 baserel = (0 != (srel->r_type[0] & RELOC_STD_BITS_BASEREL_LITTLE));
2325 jmptbl = (0 != (srel->r_type[0] & RELOC_STD_BITS_JMPTABLE_LITTLE));
2330 struct reloc_ext_external *erel;
2333 erel = (struct reloc_ext_external *) reloc;
2334 if (input_bfd->xvec->header_byteorder_big_p)
2335 r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_BIG)
2336 >> RELOC_EXT_BITS_TYPE_SH_BIG);
2338 r_type = ((erel->r_type[0] & RELOC_EXT_BITS_TYPE_LITTLE)
2339 >> RELOC_EXT_BITS_TYPE_SH_LITTLE);
2340 baserel = (r_type == RELOC_BASE10
2341 || r_type == RELOC_BASE13
2342 || r_type == RELOC_BASE22);
2343 jmptbl = r_type == RELOC_JMP_TBL;
2348 bfd_vma *got_offsetp;
2352 got_offsetp = &h->got_offset;
2353 else if (adata (input_bfd).local_got_offsets == NULL)
2357 struct reloc_std_external *srel;
2360 srel = (struct reloc_std_external *) reloc;
2361 if (obj_reloc_entry_size (input_bfd) == RELOC_STD_SIZE)
2363 if (input_bfd->xvec->header_byteorder_big_p)
2364 r_index = ((srel->r_index[0] << 16)
2365 | (srel->r_index[1] << 8)
2366 | srel->r_index[2]);
2368 r_index = ((srel->r_index[2] << 16)
2369 | (srel->r_index[1] << 8)
2370 | srel->r_index[0]);
2374 struct reloc_ext_external *erel;
2376 erel = (struct reloc_ext_external *) reloc;
2377 if (input_bfd->xvec->header_byteorder_big_p)
2378 r_index = ((erel->r_index[0] << 16)
2379 | (erel->r_index[1] << 8)
2380 | erel->r_index[2]);
2382 r_index = ((erel->r_index[2] << 16)
2383 | (erel->r_index[1] << 8)
2384 | erel->r_index[0]);
2387 got_offsetp = adata (input_bfd).local_got_offsets + r_index;
2390 BFD_ASSERT (got_offsetp != NULL && *got_offsetp != 0);
2392 sgot = bfd_get_section_by_name (dynobj, ".got");
2394 /* We set the least significant bit to indicate whether we have
2395 already initialized the GOT entry. */
2396 if ((*got_offsetp & 1) == 0)
2400 && ((h->flags & SUNOS_DEF_DYNAMIC) == 0
2401 || (h->flags & SUNOS_DEF_REGULAR) != 0)))
2402 PUT_WORD (dynobj, *relocationp, sgot->contents + *got_offsetp);
2404 PUT_WORD (dynobj, 0, sgot->contents + *got_offsetp);
2408 && (h->flags & SUNOS_DEF_DYNAMIC) != 0
2409 && (h->flags & SUNOS_DEF_REGULAR) == 0))
2411 /* We need to create a GLOB_DAT or 32 reloc to tell the
2412 dynamic linker to fill in this entry in the table. */
2414 s = bfd_get_section_by_name (dynobj, ".dynrel");
2415 BFD_ASSERT (s != NULL);
2416 BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj)
2420 + s->reloc_count * obj_reloc_entry_size (dynobj));
2427 if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE)
2429 struct reloc_std_external *srel;
2431 srel = (struct reloc_std_external *) p;
2434 + sgot->output_section->vma
2435 + sgot->output_offset),
2437 if (dynobj->xvec->header_byteorder_big_p)
2439 srel->r_index[0] = indx >> 16;
2440 srel->r_index[1] = indx >> 8;
2441 srel->r_index[2] = indx;
2443 srel->r_type[0] = 2 << RELOC_STD_BITS_LENGTH_SH_BIG;
2446 (RELOC_STD_BITS_EXTERN_BIG
2447 | RELOC_STD_BITS_BASEREL_BIG
2448 | RELOC_STD_BITS_RELATIVE_BIG
2449 | (2 << RELOC_STD_BITS_LENGTH_SH_BIG));
2453 srel->r_index[2] = indx >> 16;
2454 srel->r_index[1] = indx >> 8;
2455 srel->r_index[0] = indx;
2457 srel->r_type[0] = 2 << RELOC_STD_BITS_LENGTH_SH_LITTLE;
2460 (RELOC_STD_BITS_EXTERN_LITTLE
2461 | RELOC_STD_BITS_BASEREL_LITTLE
2462 | RELOC_STD_BITS_RELATIVE_LITTLE
2463 | (2 << RELOC_STD_BITS_LENGTH_SH_LITTLE));
2468 struct reloc_ext_external *erel;
2470 erel = (struct reloc_ext_external *) p;
2473 + sgot->output_section->vma
2474 + sgot->output_offset),
2476 if (dynobj->xvec->header_byteorder_big_p)
2478 erel->r_index[0] = indx >> 16;
2479 erel->r_index[1] = indx >> 8;
2480 erel->r_index[2] = indx;
2483 RELOC_32 << RELOC_EXT_BITS_TYPE_SH_BIG;
2486 (RELOC_EXT_BITS_EXTERN_BIG
2487 | (RELOC_GLOB_DAT << RELOC_EXT_BITS_TYPE_SH_BIG));
2491 erel->r_index[2] = indx >> 16;
2492 erel->r_index[1] = indx >> 8;
2493 erel->r_index[0] = indx;
2496 RELOC_32 << RELOC_EXT_BITS_TYPE_SH_LITTLE;
2499 (RELOC_EXT_BITS_EXTERN_LITTLE
2501 << RELOC_EXT_BITS_TYPE_SH_LITTLE));
2503 PUT_WORD (dynobj, 0, erel->r_addend);
2512 *relocationp = sgot->vma + (*got_offsetp &~ 1);
2514 /* There is nothing else to do for a base relative reloc. */
2518 if (! sunos_hash_table (info)->dynamic_sections_needed)
2524 || h->root.root.type != bfd_link_hash_undefined
2525 || (h->flags & SUNOS_DEF_REGULAR) != 0
2526 || (h->flags & SUNOS_DEF_DYNAMIC) == 0
2527 || (h->root.root.u.undef.abfd->flags & DYNAMIC) == 0)
2533 && (h->dynindx == -1
2535 || strcmp (h->root.root.root.string,
2536 "__GLOBAL_OFFSET_TABLE_") == 0))
2540 /* It looks like this is a reloc we are supposed to copy. */
2542 s = bfd_get_section_by_name (dynobj, ".dynrel");
2543 BFD_ASSERT (s != NULL);
2544 BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) < s->_raw_size);
2546 p = s->contents + s->reloc_count * obj_reloc_entry_size (dynobj);
2548 /* Copy the reloc over. */
2549 memcpy (p, reloc, obj_reloc_entry_size (dynobj));
2556 /* Adjust the address and symbol index. */
2557 if (obj_reloc_entry_size (dynobj) == RELOC_STD_SIZE)
2559 struct reloc_std_external *srel;
2561 srel = (struct reloc_std_external *) p;
2563 (GET_WORD (dynobj, srel->r_address)
2564 + input_section->output_section->vma
2565 + input_section->output_offset),
2567 if (dynobj->xvec->header_byteorder_big_p)
2569 srel->r_index[0] = indx >> 16;
2570 srel->r_index[1] = indx >> 8;
2571 srel->r_index[2] = indx;
2575 srel->r_index[2] = indx >> 16;
2576 srel->r_index[1] = indx >> 8;
2577 srel->r_index[0] = indx;
2582 struct reloc_ext_external *erel;
2584 erel = (struct reloc_ext_external *) p;
2586 (GET_WORD (dynobj, erel->r_address)
2587 + input_section->output_section->vma
2588 + input_section->output_offset),
2590 if (dynobj->xvec->header_byteorder_big_p)
2592 erel->r_index[0] = indx >> 16;
2593 erel->r_index[1] = indx >> 8;
2594 erel->r_index[2] = indx;
2598 erel->r_index[2] = indx >> 16;
2599 erel->r_index[1] = indx >> 8;
2600 erel->r_index[0] = indx;
2612 /* Finish up the dynamic linking information. */
2615 sunos_finish_dynamic_link (abfd, info)
2617 struct bfd_link_info *info;
2623 struct external_sun4_dynamic esd;
2624 struct external_sun4_dynamic_link esdl;
2626 if (! sunos_hash_table (info)->dynamic_sections_needed)
2629 dynobj = sunos_hash_table (info)->dynobj;
2631 sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
2632 BFD_ASSERT (sdyn != NULL);
2634 /* Finish up the .need section. The linker emulation code filled it
2635 in, but with offsets from the start of the section instead of
2636 real addresses. Now that we know the section location, we can
2637 fill in the final values. */
2638 s = bfd_get_section_by_name (dynobj, ".need");
2639 if (s != NULL && s->_raw_size != 0)
2644 filepos = s->output_section->filepos + s->output_offset;
2650 PUT_WORD (dynobj, GET_WORD (dynobj, p) + filepos, p);
2651 val = GET_WORD (dynobj, p + 12);
2654 PUT_WORD (dynobj, val + filepos, p + 12);
2659 /* The first entry in the .got section is the address of the
2660 dynamic information, unless this is a shared library. */
2661 s = bfd_get_section_by_name (dynobj, ".got");
2662 BFD_ASSERT (s != NULL);
2664 PUT_WORD (dynobj, 0, s->contents);
2666 PUT_WORD (dynobj, sdyn->output_section->vma + sdyn->output_offset,
2669 for (o = dynobj->sections; o != NULL; o = o->next)
2671 if ((o->flags & SEC_HAS_CONTENTS) != 0
2672 && o->contents != NULL)
2674 BFD_ASSERT (o->output_section != NULL
2675 && o->output_section->owner == abfd);
2676 if (! bfd_set_section_contents (abfd, o->output_section,
2677 o->contents, o->output_offset,
2683 /* Finish up the dynamic link information. */
2684 PUT_WORD (dynobj, (bfd_vma) 3, esd.ld_version);
2686 sdyn->output_section->vma + sdyn->output_offset + sizeof esd,
2689 (sdyn->output_section->vma
2690 + sdyn->output_offset
2692 + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE),
2695 if (! bfd_set_section_contents (abfd, sdyn->output_section, &esd,
2696 sdyn->output_offset, sizeof esd))
2700 PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_loaded);
2702 s = bfd_get_section_by_name (dynobj, ".need");
2703 if (s == NULL || s->_raw_size == 0)
2704 PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_need);
2706 PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
2709 s = bfd_get_section_by_name (dynobj, ".rules");
2710 if (s == NULL || s->_raw_size == 0)
2711 PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_rules);
2713 PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
2716 s = bfd_get_section_by_name (dynobj, ".got");
2717 BFD_ASSERT (s != NULL);
2718 PUT_WORD (dynobj, s->output_section->vma + s->output_offset, esdl.ld_got);
2720 s = bfd_get_section_by_name (dynobj, ".plt");
2721 BFD_ASSERT (s != NULL);
2722 PUT_WORD (dynobj, s->output_section->vma + s->output_offset, esdl.ld_plt);
2723 PUT_WORD (dynobj, s->_raw_size, esdl.ld_plt_sz);
2725 s = bfd_get_section_by_name (dynobj, ".dynrel");
2726 BFD_ASSERT (s != NULL);
2727 BFD_ASSERT (s->reloc_count * obj_reloc_entry_size (dynobj) == s->_raw_size);
2728 PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
2731 s = bfd_get_section_by_name (dynobj, ".hash");
2732 BFD_ASSERT (s != NULL);
2733 PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
2736 s = bfd_get_section_by_name (dynobj, ".dynsym");
2737 BFD_ASSERT (s != NULL);
2738 PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
2741 PUT_WORD (dynobj, (bfd_vma) 0, esdl.ld_stab_hash);
2743 PUT_WORD (dynobj, (bfd_vma) sunos_hash_table (info)->bucketcount,
2746 s = bfd_get_section_by_name (dynobj, ".dynstr");
2747 BFD_ASSERT (s != NULL);
2748 PUT_WORD (dynobj, s->output_section->filepos + s->output_offset,
2750 PUT_WORD (dynobj, s->_raw_size, esdl.ld_symb_size);
2752 /* The size of the text area is the size of the .text section
2753 rounded up to a page boundary. FIXME: Should the page size be
2754 conditional on something? */
2756 BFD_ALIGN (obj_textsec (abfd)->_raw_size, 0x2000),
2759 if (! bfd_set_section_contents (abfd, sdyn->output_section, &esdl,
2760 (sdyn->output_offset
2762 + EXTERNAL_SUN4_DYNAMIC_DEBUGGER_SIZE),
2766 abfd->flags |= DYNAMIC;