Handle NULL iostream in bfd_plugin_object_p.

2010-09-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/12004
	* plugin.c (bfd_plugin_object_p): Handle NULL iostream.

bfd/ChangeLog

@@ -1,3 +1,8 @@
+2010-09-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR binutils/12004
+	* plugin.c (bfd_plugin_object_p): Handle NULL iostream.
+
 2010-09-14  Kai Tietz  <kai.tietz@onevision.com>
 
 	* pe-x86_64.c (COFF_SECTION_ALIGNMENT_ENTRIES): Make

bfd/plugin.c

@@ -233,26 +233,31 @@ bfd_plugin_object_p (bfd *abfd)
   int claimed = 0;
   int t = load_plugin ();
   struct ld_plugin_input_file file;
+  bfd *iobfd;
+
   if (!t)
     return NULL;
 
   file.name = abfd->filename;
 
-  if (abfd->iostream)
+  if (abfd->my_archive)
     {
-      file.fd = fileno ((FILE *) abfd->iostream);
-      file.offset = 0;
-      file.filesize = 0; /*FIXME*/
+      iobfd = abfd->my_archive;
+      file.offset = abfd->origin;
+      file.filesize = arelt_size (abfd);
     }
   else
     {
-      bfd *archive = abfd->my_archive;
-      BFD_ASSERT (archive);
-      file.fd = fileno ((FILE *) archive->iostream);
-      file.offset = abfd->origin;
-      file.filesize = arelt_size (abfd);
-
+      iobfd = abfd;
+      file.offset = 0;
+      file.filesize = 0; /*FIXME*/
     }
+
+  if (!iobfd->iostream && !bfd_open_file (iobfd))
+    return NULL;
+
+  file.fd = fileno ((FILE *) iobfd->iostream);
+
   file.handle = abfd;
   claim_file (&file, &claimed);
   if (!claimed)