glibc/sysdeps/arm/fgetexcptflg.c
2014-05-15 15:23:27 +01:00

39 lines
1.2 KiB
C

/* Store current representation for exceptions.
Copyright (C) 1997-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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.h>
#include <fpu_control.h>
#include <arm-features.h>
int
fegetexceptflag (fexcept_t *flagp, int excepts)
{
fpu_control_t fpscr;
/* Fail if a VFP unit isn't present. */
if (!ARM_HAVE_VFP)
return 1;
_FPU_GETCW (fpscr);
*flagp = fpscr & excepts & FE_ALL_EXCEPT;
return 0;
}