+
+/*
+FUNCTION
+ _bfd_generic_link_hide_symbol
+
+SYNOPSIS
+ void _bfd_generic_link_hide_symbol
+ (bfd *output_bfd, struct bfd_link_info *info,
+ struct bfd_link_hash_entry *h);
+
+DESCRIPTION
+ Hide symbol @var{h}.
+ This is an internal function. It should not be called from
+ outside the BFD library.
+
+.#define bfd_link_hide_symbol(output_bfd, info, h) \
+. BFD_SEND (output_bfd, _bfd_link_hide_symbol, (output_bfd, info, h))
+.
+*/
+
+void
+_bfd_generic_link_hide_symbol (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED)
+{
+}
+
+/*
+FUNCTION
+ bfd_generic_define_start_stop
+
+SYNOPSIS
+ struct bfd_link_hash_entry *bfd_generic_define_start_stop
+ (struct bfd_link_info *info,
+ const char *symbol, asection *sec);
+
+DESCRIPTION
+ Define a __start, __stop, .startof. or .sizeof. symbol.
+ Return the symbol or NULL if no such undefined symbol exists.
+
+.#define bfd_define_start_stop(output_bfd, info, symbol, sec) \
+. BFD_SEND (output_bfd, _bfd_define_start_stop, (info, symbol, sec))
+.
+*/
+
+struct bfd_link_hash_entry *
+bfd_generic_define_start_stop (struct bfd_link_info *info,
+ const char *symbol, asection *sec)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (info->hash, symbol, FALSE, FALSE, TRUE);
+ if (h != NULL
+ && (h->type == bfd_link_hash_undefined
+ || h->type == bfd_link_hash_undefweak))
+ {
+ h->type = bfd_link_hash_defined;
+ h->u.def.section = sec;
+ h->u.def.value = 0;
+ return h;
+ }
+ return NULL;
+}
+
+/*
+FUNCTION
+ bfd_find_version_for_sym
+
+SYNOPSIS
+ struct bfd_elf_version_tree * bfd_find_version_for_sym
+ (struct bfd_elf_version_tree *verdefs,
+ const char *sym_name, bfd_boolean *hide);
+
+DESCRIPTION
+ Search an elf version script tree for symbol versioning
+ info and export / don't-export status for a given symbol.
+ Return non-NULL on success and NULL on failure; also sets
+ the output @samp{hide} boolean parameter.
+
+*/
+
+struct bfd_elf_version_tree *
+bfd_find_version_for_sym (struct bfd_elf_version_tree *verdefs,
+ const char *sym_name,
+ bfd_boolean *hide)
+{
+ struct bfd_elf_version_tree *t;
+ struct bfd_elf_version_tree *local_ver, *global_ver, *exist_ver;
+ struct bfd_elf_version_tree *star_local_ver, *star_global_ver;
+
+ local_ver = NULL;
+ global_ver = NULL;
+ star_local_ver = NULL;
+ star_global_ver = NULL;
+ exist_ver = NULL;
+ for (t = verdefs; t != NULL; t = t->next)
+ {
+ if (t->globals.list != NULL)
+ {
+ struct bfd_elf_version_expr *d = NULL;
+
+ while ((d = (*t->match) (&t->globals, d, sym_name)) != NULL)
+ {
+ if (d->literal || strcmp (d->pattern, "*") != 0)
+ global_ver = t;
+ else
+ star_global_ver = t;
+ if (d->symver)
+ exist_ver = t;
+ d->script = 1;
+ /* If the match is a wildcard pattern, keep looking for
+ a more explicit, perhaps even local, match. */
+ if (d->literal)
+ break;
+ }
+
+ if (d != NULL)
+ break;
+ }
+
+ if (t->locals.list != NULL)
+ {
+ struct bfd_elf_version_expr *d = NULL;
+
+ while ((d = (*t->match) (&t->locals, d, sym_name)) != NULL)
+ {
+ if (d->literal || strcmp (d->pattern, "*") != 0)
+ local_ver = t;
+ else
+ star_local_ver = t;
+ /* If the match is a wildcard pattern, keep looking for
+ a more explicit, perhaps even global, match. */
+ if (d->literal)
+ {
+ /* An exact match overrides a global wildcard. */
+ global_ver = NULL;
+ star_global_ver = NULL;
+ break;
+ }
+ }
+
+ if (d != NULL)
+ break;
+ }
+ }
+
+ if (global_ver == NULL && local_ver == NULL)
+ global_ver = star_global_ver;
+
+ if (global_ver != NULL)
+ {
+ /* If we already have a versioned symbol that matches the
+ node for this symbol, then we don't want to create a
+ duplicate from the unversioned symbol. Instead hide the
+ unversioned symbol. */
+ *hide = exist_ver == global_ver;
+ return global_ver;
+ }
+
+ if (local_ver == NULL)
+ local_ver = star_local_ver;
+
+ if (local_ver != NULL)
+ {
+ *hide = TRUE;
+ return local_ver;
+ }
+
+ return NULL;
+}
+
+/*
+FUNCTION
+ bfd_hide_sym_by_version
+
+SYNOPSIS
+ bfd_boolean bfd_hide_sym_by_version
+ (struct bfd_elf_version_tree *verdefs, const char *sym_name);
+
+DESCRIPTION
+ Search an elf version script tree for symbol versioning
+ info for a given symbol. Return TRUE if the symbol is hidden.
+
+*/
+
+bfd_boolean
+bfd_hide_sym_by_version (struct bfd_elf_version_tree *verdefs,
+ const char *sym_name)
+{
+ bfd_boolean hidden = FALSE;
+ bfd_find_version_for_sym (verdefs, sym_name, &hidden);
+ return hidden;
+}
+
+/*
+FUNCTION
+ bfd_link_check_relocs
+
+SYNOPSIS
+ bfd_boolean bfd_link_check_relocs
+ (bfd *abfd, struct bfd_link_info *info);
+
+DESCRIPTION
+ Checks the relocs in ABFD for validity.
+ Does not execute the relocs.
+ Return TRUE if everything is OK, FALSE otherwise.
+ This is the external entry point to this code.
+*/
+
+bfd_boolean
+bfd_link_check_relocs (bfd *abfd, struct bfd_link_info *info)
+{
+ return BFD_SEND (abfd, _bfd_link_check_relocs, (abfd, info));
+}
+
+/*
+FUNCTION
+ _bfd_generic_link_check_relocs
+
+SYNOPSIS
+ bfd_boolean _bfd_generic_link_check_relocs
+ (bfd *abfd, struct bfd_link_info *info);
+
+DESCRIPTION
+ Stub function for targets that do not implement reloc checking.
+ Return TRUE.
+ This is an internal function. It should not be called from
+ outside the BFD library.
+*/
+
+bfd_boolean
+_bfd_generic_link_check_relocs (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return TRUE;
+}
+
+/*
+FUNCTION
+ bfd_merge_private_bfd_data
+
+SYNOPSIS
+ bfd_boolean bfd_merge_private_bfd_data
+ (bfd *ibfd, struct bfd_link_info *info);
+
+DESCRIPTION
+ Merge private BFD information from the BFD @var{ibfd} to the
+ the output file BFD when linking. Return <<TRUE>> on success,
+ <<FALSE>> on error. Possible error returns are:
+
+ o <<bfd_error_no_memory>> -
+ Not enough memory exists to create private data for @var{obfd}.
+
+.#define bfd_merge_private_bfd_data(ibfd, info) \
+. BFD_SEND ((info)->output_bfd, _bfd_merge_private_bfd_data, \
+. (ibfd, info))
+*/
+
+/*
+INTERNAL_FUNCTION
+ _bfd_generic_verify_endian_match
+
+SYNOPSIS
+ bfd_boolean _bfd_generic_verify_endian_match
+ (bfd *ibfd, struct bfd_link_info *info);
+
+DESCRIPTION
+ Can be used from / for bfd_merge_private_bfd_data to check that
+ endianness matches between input and output file. Returns
+ TRUE for a match, otherwise returns FALSE and emits an error.
+*/
+
+bfd_boolean
+_bfd_generic_verify_endian_match (bfd *ibfd, struct bfd_link_info *info)
+{
+ bfd *obfd = info->output_bfd;
+
+ if (ibfd->xvec->byteorder != obfd->xvec->byteorder
+ && ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
+ && obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
+ {
+ if (bfd_big_endian (ibfd))
+ _bfd_error_handler (_("%pB: compiled for a big endian system "
+ "and target is little endian"), ibfd);
+ else
+ _bfd_error_handler (_("%pB: compiled for a little endian system "
+ "and target is big endian"), ibfd);
+ bfd_set_error (bfd_error_wrong_format);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+int
+_bfd_nolink_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return 0;
+}
+
+bfd_boolean
+_bfd_nolink_bfd_relax_section (bfd *abfd,
+ asection *section ATTRIBUTE_UNUSED,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ bfd_boolean *again ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_byte *
+_bfd_nolink_bfd_get_relocated_section_contents
+ (bfd *abfd,
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED,
+ struct bfd_link_order *link_order ATTRIBUTE_UNUSED,
+ bfd_byte *data ATTRIBUTE_UNUSED,
+ bfd_boolean relocatable ATTRIBUTE_UNUSED,
+ asymbol **symbols ATTRIBUTE_UNUSED)
+{
+ return (bfd_byte *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_lookup_section_flags
+ (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct flag_info *flaginfo ATTRIBUTE_UNUSED,
+ asection *section)
+{
+ return _bfd_bool_bfd_false_error (section->owner);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_is_group_section (bfd *abfd,
+ const asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+const char *
+_bfd_nolink_bfd_group_name (bfd *abfd,
+ const asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_ptr_bfd_null_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_discard_group (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+struct bfd_link_hash_table *
+_bfd_nolink_bfd_link_hash_table_create (bfd *abfd)
+{
+ return (struct bfd_link_hash_table *) _bfd_ptr_bfd_null_error (abfd);
+}
+
+void
+_bfd_nolink_bfd_link_just_syms (asection *sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+}
+
+void
+_bfd_nolink_bfd_copy_link_hash_symbol_type
+ (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *from ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *to ATTRIBUTE_UNUSED)
+{
+}
+
+bfd_boolean
+_bfd_nolink_bfd_link_split_section (bfd *abfd, asection *sec ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_section_already_linked (bfd *abfd,
+ asection *sec ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+bfd_boolean
+_bfd_nolink_bfd_define_common_symbol
+ (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *h ATTRIBUTE_UNUSED)
+{
+ return _bfd_bool_bfd_false_error (abfd);
+}
+
+struct bfd_link_hash_entry *
+_bfd_nolink_bfd_define_start_stop (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED,
+ asection *sec)
+{
+ return (struct bfd_link_hash_entry *) _bfd_ptr_bfd_null_error (sec->owner);
+}