2011-02-25 Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin.c (bfd_plugin_object_p): Correctly set the filesize
	and handle claim_file seeking. Only try to load the plugin once.

1 files changed, 19 insertions, 3 deletions

diff --git a/bfd/plugin.c b/bfd/plugin.c
index 30a492369d..dde61c8830 100644
--- a/bfd/plugin.c
+++ b/bfd/plugin.c
@@ -232,11 +232,17 @@ static const bfd_target *
 bfd_plugin_object_p (bfd *abfd)
 {
   int claimed = 0;
-  int t = load_plugin ();
   struct ld_plugin_input_file file;
   bfd *iobfd;
+  static int have_loaded = 0;
+  static int have_plugin = 0;
 
-  if (!t)
+  if (!have_loaded)
+    {
+      have_loaded = 1;
+      have_plugin = load_plugin ();
+    }
+  if (!have_plugin)
     return NULL;
 
   file.name = abfd->filename;
@@ -251,7 +257,7 @@ bfd_plugin_object_p (bfd *abfd)
     {
       iobfd = abfd;
       file.offset = 0;
-      file.filesize = 0; /*FIXME*/
+      file.filesize = 0;
     }
 
   if (!iobfd->iostream && !bfd_open_file (iobfd))
@@ -259,8 +265,18 @@ bfd_plugin_object_p (bfd *abfd)
 
   file.fd = fileno ((FILE *) iobfd->iostream);
 
+  if (!abfd->my_archive)
+    {
+      struct stat stat_buf;
+      if (fstat (file.fd, &stat_buf))
+        return NULL;
+      file.filesize = stat_buf.st_size;
+    }
+
   file.handle = abfd;
+  off_t cur_offset = lseek(file.fd, 0, SEEK_CUR);
   claim_file (&file, &claimed);
+  lseek(file.fd, cur_offset, SEEK_SET);
   if (!claimed)
     return NULL;