diff options
Diffstat (limited to 'sysdeps/standalone/m68k/m68020/mvme136')
-rw-r--r-- | sysdeps/standalone/m68k/m68020/mvme136/_exit.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/standalone/m68k/m68020/mvme136/_exit.c b/sysdeps/standalone/m68k/m68020/mvme136/_exit.c new file mode 100644 index 0000000000..b7669026fe --- /dev/null +++ b/sysdeps/standalone/m68k/m68020/mvme136/_exit.c @@ -0,0 +1,58 @@ +/* Copyright (C) 1991 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 */ +} + +#ifdef HAVE_GNU_LD + +#include <gnu-stabs.h> + +stub_warning(_exit); + +#endif /* GNU stabs. */ |