sysdeps/am33/fpu/fgetexcptflg.c

   1 /* Store current representation for exceptions.
   2    Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Alexandre Oliva <aoliva@redhat.com>
   5    based on corresponding file in the MIPS port.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, write to the Free
  19    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  20    02111-1307 USA.  */
  21
  22 #include <fenv.h>
  23 #include <fpu_control.h>
  24 #include <shlib-compat.h>
  25
  26 int
  27 __fegetexceptflag (fexcept_t *flagp, int excepts)
  28 {
  29   fexcept_t temp;
  30
  31   /* Get the current exceptions.  */
  32   _FPU_GETCW (temp);
  33
  34   /* We only save the relevant bits here. In particular, care has to be
  35      taken with the CAUSE bits, as an inadvertent restore later on could
  36      generate unexpected exceptions.  */
  37
  38   *flagp = temp & excepts & FE_ALL_EXCEPT;
  39
  40   /* Success.  */
  41   return 0;
  42 }
  43
  44 versioned_symbol (libm, __fegetexceptflag, fegetexceptflag, GLIBC_2_2);