blob: 32c71af6960ef5936cd0465b4a530d73d913e217 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* 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, see
<http://www.gnu.org/licenses/>. */
#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 & ~__sim_disabled_exceptions)
raise (SIGFPE);
}
|
