mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 13:50:06 +00:00
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
|
/* Software floating-point exception handling emulation.
|
||
|
|
Copyright (C) 2002 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;
|
||
|
|
|
||
|
|
/* By default, no exceptions should trap. */
|
||
|
|
int __sim_disabled_exceptions = 0xffffffff;
|
||
|
|
|
||
|
|
int __sim_round_mode;
|
||
|
|
|
||
|
|
void
|
||
|
|
__simulate_exceptions (int x)
|
||
|
|
{
|
||
|
|
__sim_exceptions |= x;
|
||
|
|
if (x == 0 || __sim_disabled_exceptions & x)
|
||
|
|
/* Ignore exception. */
|
||
|
|
;
|
||
|
|
else
|
||
|
|
raise (SIGFPE);
|
||
|
|
}
|