sysdeps/powerpc/powerpc32/e500/nofpu/fegetexcept.c

   1 /* Get floating-point exceptions.  e500 version.
   2    Copyright (C) 2004-2018 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <fenv_libc.h>
  20 #include <sysdep.h>
  21 #include <sys/prctl.h>
  22
  23 int
  24 fegetexcept (void)
  25 {
  26   int result = 0, pflags, r;
  27   INTERNAL_SYSCALL_DECL (err);
  28
  29   r = INTERNAL_SYSCALL (prctl, err, 2, PR_GET_FPEXC, &pflags);
  30   if (INTERNAL_SYSCALL_ERROR_P (r, err))
  31     return -1;
  32
  33   result = __fexcepts_from_prctl (pflags);
  34
  35   return result;
  36 }