1 /* Store current floating-point environment.
2    Copyright (C) 1997-2022 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 
24 int
__fegetenv(fenv_t * envp)25 __fegetenv (fenv_t *envp)
26 {
27   fpu_control_t fpscr;
28 
29   /* Fail if a VFP unit isn't present.  */
30   if (!ARM_HAVE_VFP)
31     return 1;
32 
33   _FPU_GETCW (fpscr);
34   envp->__cw = fpscr;
35   return 0;
36 }
37 libm_hidden_def (__fegetenv)
38 weak_alias (__fegetenv, fegetenv)
39 libm_hidden_weak (fegetenv)
40