1 files changed, 50 insertions, 0 deletions
diff --git a/ports/sysdeps/standalone/m68k/m68020/mvme136/_exit.c b/ports/sysdeps/standalone/m68k/m68020/mvme136/_exit.c
new file mode 100644
index 000000000..e5e078c19
--- /dev/null
+++ b/ports/sysdeps/standalone/m68k/m68020/mvme136/_exit.c
@@ -0,0 +1,50 @@
+/* Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
+     On-Line Applications Research Corporation.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <unistd.h>
+#include <stdlib.h>
+#include "m68020.h"
+
+/* Return control to 135Bug */
+
+void
+__exit_trap ()
+{
+  set_vbr( 0 );                     /* restore 135Bug vectors */
+  asm volatile( "trap   #15"  );    /* trap to 135Bug */
+  asm volatile( ".short 0x63" );    /* return to 135Bug (.RETURN) */
+  asm volatile( "jmp    main" );    /* restart program */
+}
+
+/* The function `_exit' should take a status argument and simply
+   terminate program execution, using the low-order 8 bits of the
+   given integer as status.  */
+
+void
+__attribute__ ((noreturn))
+_exit (status)
+     int status;
+{
+  /* status is ignored */
+
+  M68Kvec[ 45 ] = __exit_trap;   /* install exit_trap handler */
+  asm volatile( "trap #13" );  /* insures SUPV mode */
+}
+weak_alias (_exit, _Exit)