1/* Get floating-point exceptions.
2 Copyright (C) 2001-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <fenv.h>
20#include <fpu_control.h>
21#include <arm-features.h>
22
23
24int
25fegetexcept (void)
26{
27 fpu_control_t fpscr;
28
29 /* Return with all exceptions disabled if a VFP unit isn't present. */
30 if (!ARM_HAVE_VFP)
31 return 0;
32
33 _FPU_GETCW (fpscr);
34
35 return (fpscr >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
36}
37

source code of glibc/sysdeps/arm/fegetexcept.c