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51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Joel Sherrill (jsherril@redstone-emh2.army.mil),
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On-Line Applications Research Corporation.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <unistd.h>
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#include <stdlib.h>
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#include "m68020.h"
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/* Return control to 135Bug */
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void
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__exit_trap ()
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{
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set_vbr( 0 ); /* restore 135Bug vectors */
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asm volatile( "trap #15" ); /* trap to 135Bug */
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asm volatile( ".short 0x63" ); /* return to 135Bug (.RETURN) */
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asm volatile( "jmp main" ); /* restart program */
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}
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/* The function `_exit' should take a status argument and simply
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terminate program execution, using the low-order 8 bits of the
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given integer as status. */
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void
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__attribute__ ((noreturn))
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_exit (status)
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int status;
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{
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/* status is ignored */
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M68Kvec[ 45 ] = __exit_trap; /* install exit_trap handler */
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asm volatile( "trap #13" ); /* insures SUPV mode */
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}
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weak_alias (_exit, _Exit)
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