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/* Software floating-point exception handling emulation.
Copyright (C) 2002, 2004 Free Software Foundation, Inc.
Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002.
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 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 <signal.h>
#include "soft-fp.h"
#include "soft-supp.h"
/* Global to store sticky exceptions. */
int __sim_exceptions __attribute__ ((nocommon));
libc_hidden_data_def (__sim_exceptions);
/* By default, no exceptions should trap. */
int __sim_disabled_exceptions = 0xffffffff;
libc_hidden_data_def (__sim_disabled_exceptions);
int __sim_round_mode __attribute__ ((nocommon));
libc_hidden_data_def (__sim_round_mode);
void
__simulate_exceptions (int x)
{
__sim_exceptions |= x;
if (x == 0 || __sim_disabled_exceptions & x)
/* Ignore exception. */
;
else
raise (SIGFPE);
}
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