From 931e17a3caa8b4dbc422cf6051bc07986938a563 Mon Sep 17 00:00:00 2001
From: Ben Elliston <bje@gnu.org>
Date: Mon, 11 Dec 2006 00:04:00 +0000
Subject: [PATCH]         * spu/exit.c (libgloss_exit): Rename from this ..    
     (_exit): .. to this. Overhaul.         (exit): Remove.

---
 libgloss/spu/exit.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/libgloss/spu/exit.c b/libgloss/spu/exit.c
index 669338822..1b639b50e 100644
--- a/libgloss/spu/exit.c
+++ b/libgloss/spu/exit.c
@@ -27,18 +27,19 @@ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 POSSIBILITY OF SUCH DAMAGE.
 
-Author: Andreas Neukoetter (ti95neuk@de.ibm.com)
 */
 
-void __attribute__ (( destructor )) libgloss_exit( void )
+void _exit(int rc)
 {
-	/* we don't need any cleanup on the SPE ... yet */
-	/* DEBUG HERE */
+  /* Some self modifying code to return 'rc' in the 'stop' insn. */
+  asm volatile (
+    "   ori     $3, %0,0\n"
+    "   lqr     $4, 1f\n"
+    "   cbd     $5, 1f+3($sp)\n"
+    "   shufb   $0, %0, $4, $5\n"
+    "   stqr    $0, 1f\n"
+    "   sync\n"
+    "1:\n"
+    "   stop    0x2000\n"
+    : : "r" (rc) );
 }
-
-void exit( int status )
-{
-	/* handle atexit, etc here */
-	_exit( status );
-}
-