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- /* Copyright (C) 1994 Free Software Foundation, Inc.
- Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
- On-Line Applications Research Corporation.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <unistd.h>
- #include <stdlib.h>
- #include "__m68020.h"
-
- /* Return control to 135Bug */
-
- void
- DEFUN_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. */
-
- __NORETURN void
- DEFUN(_exit, (status), int status)
- {
- /* status is ignored */
-
- M68Kvec[ 45 ] = __exit_trap; /* install exit_trap handler */
- asm volatile( "trap #13" ); /* insures SUPV mode */
- }
-