GDB hangs when attaching to process on mips-irix.

        * solib-irix.c (irix_solib_create_inferior_hook): Do nothing if
        attaching to a process.

Author: Joel Brobecker

gdb/ChangeLog

@@ -1,3 +1,9 @@
+2010-01-09  Joel Brobecker  <[email protected]>
+
+	GDB hangs when attaching to process on mips-irix.
+	* solib-irix.c (irix_solib_create_inferior_hook): Do nothing if
+	attaching to a process.
+
 2010-01-09  Joel Brobecker  <[email protected]>
 
 	Use the correct breakpoint instruction on mips-irix.

gdb/solib-irix.c

@@ -442,6 +442,13 @@ irix_solib_create_inferior_hook (int from_tty)
   struct inferior *inf;
   struct thread_info *tp;
 
+  inf = current_inferior ();
+
+  /* If we are attaching to the inferior, the shared libraries
+     have already been mapped, so nothing more to do.  */
+  if (inf->attach_flag)
+    return;
+
   if (!enable_break ())
     {
       warning (_("shared library handler failed to enable breakpoint"));
@@ -453,7 +460,6 @@ irix_solib_create_inferior_hook (int from_tty)
      can go groveling around in the dynamic linker structures to find
      out what we need to know about them. */
 
-  inf = current_inferior ();
   tp = inferior_thread ();
 
   clear_proceed_status ();