return TRUE;
}
\f
-/* Create a special linker section, or return a pointer to a linker
- section already created */
-
-elf_linker_section_t *
-_bfd_elf_create_linker_section (abfd, info, which, defaults)
- bfd *abfd;
- struct bfd_link_info *info;
- enum elf_linker_section_enum which;
- elf_linker_section_t *defaults;
-{
- bfd *dynobj = elf_hash_table (info)->dynobj;
- elf_linker_section_t *lsect;
-
- /* Record the first bfd section that needs the special section */
- if (!dynobj)
- dynobj = elf_hash_table (info)->dynobj = abfd;
-
- /* If this is the first time, create the section */
- lsect = elf_linker_section (dynobj, which);
- if (!lsect)
- {
- asection *s;
- bfd_size_type amt = sizeof (elf_linker_section_t);
-
- lsect = (elf_linker_section_t *) bfd_alloc (dynobj, amt);
-
- *lsect = *defaults;
- elf_linker_section (dynobj, which) = lsect;
- lsect->which = which;
- lsect->hole_written_p = FALSE;
-
- /* See if the sections already exist */
- lsect->section = s = bfd_get_section_by_name (dynobj, lsect->name);
- if (!s || (s->flags & defaults->flags) != defaults->flags)
- {
- lsect->section = s = bfd_make_section_anyway (dynobj, lsect->name);
-
- if (s == NULL)
- return (elf_linker_section_t *)0;
-
- bfd_set_section_flags (dynobj, s, defaults->flags);
- bfd_set_section_alignment (dynobj, s, lsect->alignment);
- }
- else if (bfd_get_section_alignment (dynobj, s) < lsect->alignment)
- bfd_set_section_alignment (dynobj, s, lsect->alignment);
-
- s->_raw_size = align_power (s->_raw_size, lsect->alignment);
-
- /* Is there a hole we have to provide? If so check whether the
- segment is too big already */
- if (lsect->hole_size)
- {
- lsect->hole_offset = s->_raw_size;
- s->_raw_size += lsect->hole_size;
- if (lsect->hole_offset > lsect->max_hole_offset)
- {
- (*_bfd_error_handler)
- (_("%s: Section %s is too large to add hole of %ld bytes"),
- bfd_get_filename (abfd),
- lsect->name,
- (long) lsect->hole_size);
-
- bfd_set_error (bfd_error_bad_value);
- return (elf_linker_section_t *)0;
- }
- }
-
-#ifdef DEBUG
- fprintf (stderr, "Creating section %s, current size = %ld\n",
- lsect->name, (long)s->_raw_size);
-#endif
-
- if (lsect->sym_name)
- {
- struct elf_link_hash_entry *h;
- struct bfd_link_hash_entry *bh;
-
-#ifdef DEBUG
- fprintf (stderr, "Adding %s to section %s\n",
- lsect->sym_name,
- lsect->name);
-#endif
- bh = bfd_link_hash_lookup (info->hash, lsect->sym_name,
- FALSE, FALSE, FALSE);
-
- if ((bh == NULL || bh->type == bfd_link_hash_undefined)
- && !(_bfd_generic_link_add_one_symbol
- (info, abfd, lsect->sym_name, BSF_GLOBAL, s,
- (lsect->hole_size
- ? s->_raw_size - lsect->hole_size + lsect->sym_offset
- : lsect->sym_offset),
- (const char *) NULL, FALSE,
- get_elf_backend_data (abfd)->collect, &bh)))
- return (elf_linker_section_t *) 0;
- h = (struct elf_link_hash_entry *) bh;
-
- if ((defaults->which != LINKER_SECTION_SDATA)
- && (defaults->which != LINKER_SECTION_SDATA2))
- h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_DYNAMIC;
-
- h->type = STT_OBJECT;
- lsect->sym_hash = h;
-
- if (info->shared
- && ! _bfd_elf_link_record_dynamic_symbol (info, h))
- return (elf_linker_section_t *) 0;
- }
- }
-
-#if 0
- /* This does not make sense. The sections which may exist in the
- object file have nothing to do with the sections we want to
- create. */
-
- /* Find the related sections if they have been created */
- if (lsect->bss_name && !lsect->bss_section)
- lsect->bss_section = bfd_get_section_by_name (dynobj, lsect->bss_name);
-
- if (lsect->rel_name && !lsect->rel_section)
- lsect->rel_section = bfd_get_section_by_name (dynobj, lsect->rel_name);
-#endif
-
- return lsect;
-}
-\f
-/* Find a linker generated pointer with a given addend and type. */
-
-elf_linker_section_pointers_t *
-_bfd_elf_find_pointer_linker_section (linker_pointers, addend, which)
- elf_linker_section_pointers_t *linker_pointers;
- bfd_vma addend;
- elf_linker_section_enum_t which;
-{
- for ( ; linker_pointers != NULL; linker_pointers = linker_pointers->next)
- {
- if (which == linker_pointers->which && addend == linker_pointers->addend)
- return linker_pointers;
- }
-
- return (elf_linker_section_pointers_t *)0;
-}
-\f
-/* Make the .rela section corresponding to the generated linker section. */
-
-bfd_boolean
-_bfd_elf_make_linker_section_rela (dynobj, lsect, alignment)
- bfd *dynobj;
- elf_linker_section_t *lsect;
- int alignment;
-{
- if (lsect->rel_section)
- return TRUE;
-
- lsect->rel_section = bfd_get_section_by_name (dynobj, lsect->rel_name);
- if (lsect->rel_section == NULL)
- {
- lsect->rel_section = bfd_make_section (dynobj, lsect->rel_name);
- if (lsect->rel_section == NULL
- || ! bfd_set_section_flags (dynobj,
- lsect->rel_section,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (dynobj, lsect->rel_section, alignment))
- return FALSE;
- }
-
- return TRUE;
-}
-\f
/* Read and swap the relocs from the section indicated by SHDR. This
may be either a REL or a RELA section. The relocations are
translated into RELA relocations and stored in INTERNAL_RELOCS,
projects / deliverable / binutils-gdb.git / blobdiff