glibc/ports/sysdeps/arm/fegetexcept.c

/* Get floating-point exceptions.
   Copyright (C) 2001-2012 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Philip Blundell <philb@gnu.org>, 2001

   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
fegetexcept (void)
{
  if (ARM_HAVE_VFP)
    {
      unsigned long temp;

      _FPU_GETCW (temp);

      return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
    }

  /* Unsupported. Return all exceptions disabled.  */
  return 0;
}