bfd/
2002-08-05  H.J. Lu <hjl@gnu.org>

	* elflink.h (NAME(bfd_elf,size_dynamic_sections)): Check symbol
	with undefined version.
	(elf_link_assign_sym_version): Match a default symbol with a
	version without definition. Set the `defined' field to true.

include/
2002-08-05  H.J. Lu <hjl@gnu.org>

	* bfdlink.h (bfd_elf_version_expr): Add "defined".

ld/
2002-08-05  H.J. Lu <hjl@gnu.org>

	* ldlang.c (lang_new_vers_pattern): Set the `defined' field to
	false.

--- binutils/bfd/elflink.h.defver	Fri Jul 26 23:41:26 2002
+++ binutils/bfd/elflink.h	Mon Aug  5 20:58:22 2002
@@ -2938,6 +2938,8 @@ NAME(bfd_elf,size_dynamic_sections) (out
       struct elf_info_failed eif;
       struct elf_link_hash_entry *h;
       asection *dynstr;
+      struct bfd_elf_version_tree *t;
+      struct bfd_elf_version_expr *d;
 
       *sinterpptr = bfd_get_section_by_name (dynobj, ".interp");
       BFD_ASSERT (*sinterpptr != NULL || info->shared);
@@ -3030,6 +3032,26 @@ NAME(bfd_elf,size_dynamic_sections) (out
       if (asvinfo.failed)
 	return false;
 
+      /* Check if all global versions have a definiton.  */
+      for (t = asvinfo.verdefs; t != NULL; t = t->next)
+	{
+	  if (t->globals != NULL)
+	    {
+	      for (d = t->globals; d != NULL; d = d->next)
+		{
+		  if (!d->defined && strchr (d->pattern, '*') == NULL)
+		    {
+		      (*_bfd_error_handler)
+			(_("%s: undefined version: %s"),
+			 d->pattern, t->name);
+		      bfd_set_error (bfd_error_bad_value);
+		      asvinfo.failed = true;
+		      return false;
+		    }
+		}
+	    }
+	}
+
       /* Find all symbols which were defined in a dynamic object and make
 	 the backend pick a reasonable value for them.  */
       elf_link_hash_traverse (elf_hash_table (info),
@@ -4274,6 +4296,10 @@ elf_link_assign_sym_version (h, data)
       struct bfd_elf_version_tree *t;
       struct bfd_elf_version_tree *local_ver;
       struct bfd_elf_version_expr *d;
+      const char *verstr, *name;
+      size_t namelen, verlen, newlen;
+      char *newname;
+      struct elf_link_hash_entry *newh;
 
       /* See if can find what version this symbol is in.  If the
 	 symbol is supposed to be local, then don't actually register
@@ -4287,9 +4313,41 @@ elf_link_assign_sym_version (h, data)
 		{
 		  if ((*d->match) (d, h->root.root.string))
 		    {
-		      h->verinfo.vertree = t;
-		      local_ver = NULL;
-		      break;
+		      name = h->root.root.string;
+		      namelen = strlen (name);
+		      verstr = t->name;
+		      verlen = strlen (verstr);
+		      newlen = namelen + verlen + 2; 
+
+		      newname = (char *) bfd_malloc
+				  ((bfd_size_type) newlen);
+		      if (newname == NULL)
+			goto error_return;
+		      memcpy (newname, name, namelen);
+
+		      /* Check the hidden versioned definition.  */
+		      p = newname + namelen;
+		      *p++ = ELF_VER_CHR;
+		      memcpy (p, verstr, verlen + 1);
+		      newh = elf_link_hash_lookup
+			       (elf_hash_table (info), newname, false,
+				false, false);
+		      free (newname);
+
+		      d->defined = true;
+
+		      if (!newh
+			  || ((newh->root.type
+			       != bfd_link_hash_defined)
+			      && (newh->root.type
+				  != bfd_link_hash_defweak)))
+			{
+			  /* There is a version without definition.
+			     Make it as the default definition.  */
+			  h->verinfo.vertree = t;
+			  local_ver = NULL;
+			  break;
+			}
 		    }
 		}
 
@@ -4332,11 +4390,6 @@ elf_link_assign_sym_version (h, data)
 	 hide the default one.  */
       if (h->dynindx != -1 && h->verinfo.vertree != NULL)
 	{
-	  const char *verstr, *name;
-	  size_t namelen, verlen, newlen;
-	  char *newname;
-	  struct elf_link_hash_entry *newh;
-
 	  name = h->root.root.string;
 	  namelen = strlen (name);
 	  verstr = h->verinfo.vertree->name;
--- binutils/include/bfdlink.h.defver	Wed Jul 31 08:54:09 2002
+++ binutils/include/bfdlink.h	Mon Aug  5 19:50:41 2002
@@ -602,6 +602,7 @@ struct bfd_elf_version_expr
   const char *pattern;
   /* Matching function.  */
   int (*match) PARAMS((struct bfd_elf_version_expr *, const char *));
+  boolean defined;
 };
 
 /* Version dependencies.  */
--- binutils/ld/ldlang.c.defver	Tue Jul 30 14:38:18 2002
+++ binutils/ld/ldlang.c	Mon Aug  5 19:52:35 2002
@@ -5132,6 +5132,7 @@ lang_new_vers_pattern (orig, new, lang)
   ret = (struct bfd_elf_version_expr *) xmalloc (sizeof *ret);
   ret->next = orig;
   ret->pattern = new;
+  ret->defined = false;
 
   if (lang == NULL || strcasecmp (lang, "C") == 0)
     ret->match = lang_vers_match_lang_c;