* config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.

[pf3gnuchains/gcc-fork.git] / libobjc / thr.c

diff --git a/libobjc/thr.c b/libobjc/thr.c
index bc94473..a12aa2d 100644 (file)
--- a/libobjc/thr.c
+++ b/libobjc/thr.c
@@ -1,31 +1,30 @@
 /* GNU Objective C Runtime Thread Interface
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2009 Free Software Foundation, Inc.
    Contributed by Galen C. Hunt (gchunt@cs.rochester.edu)
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify it under the
+GCC is free software; you can redistribute it and/or modify it under the
 terms of the GNU General Public License as published by the Free Software
-Foundation; either version 2, or (at your option) any later version.
+Foundation; either version 3, or (at your option) any later version.
 
-GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 details.
 
-You should have received a copy of the GNU General Public License along with
-GNU CC; see the file COPYING.  If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
 
-/* As a special exception, if you link this library with files compiled with
-   GCC to produce an executable, this does not cause the resulting executable
-   to be covered by the GNU General Public License. This exception does not
-   however invalidate any other reasons why the executable file might be
-   covered by the GNU General Public License.  */
 
 #include <stdlib.h>
-#include "runtime.h"
+#include "objc/runtime.h"
 
 /* Global exit status. */
 int __objc_thread_exit_status = 0;
@@ -75,8 +74,8 @@ struct __objc_thread_start_state
   id argument;
 };
 
-static volatile void
-__objc_thread_detach_function (struct __objc_thread_start_state *istate)
+static void __attribute__((noreturn))
+__objc_thread_detach_function (struct __objc_thread_start_state *istate) 
 {
   /* Valid state? */
   if (istate) {
@@ -114,6 +113,9 @@ __objc_thread_detach_function (struct __objc_thread_start_state *istate)
 
   /* Exit the thread */
   objc_thread_exit ();
+  
+  /* Make sure compiler detects no return.  */
+  __builtin_trap ();
 }
 
 /*