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/* Copyright (C) 1994, 1997 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 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., 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 */
}
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