blob: b65df802498cd81316f52cd4d0df9660900f8297 (
plain) (
blame)
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
|
/* Store current floating-point control modes. e500 version.
Copyright (C) 2016 Free Software Foundation, Inc.
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 <fenv_libc.h>
#include <sysdep.h>
#include <sys/prctl.h>
int
fegetmode (femode_t *modep)
{
fenv_union_t u;
INTERNAL_SYSCALL_DECL (err);
int r;
r = INTERNAL_SYSCALL (prctl, err, 2, PR_GET_FPEXC, &u.l[0]);
if (INTERNAL_SYSCALL_ERROR_P (r, err))
return -1;
u.l[1] = fegetenv_register ();
*modep = u.fenv;
return 0;
}
|
