glibc/ports/sysdeps/arm/fegetexcept.c

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/* Get floating-point exceptions.
Copyright (C) 2001-2013 Free Software Foundation, Inc.
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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
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License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
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#include <fenv.h>
#include <fpu_control.h>
#include <arm-features.h>
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int
fegetexcept (void)
{
if (ARM_HAVE_VFP)
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{
unsigned long temp;
_FPU_GETCW (temp);
return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
}
/* Unsupported. Return all exceptions disabled. */
return 0;
}