| /* Store current floating-point environment. |
| Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Richard Henderson <rth@tamu.edu>, 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_libc.h> |
| |
| int |
| __fegetenv (fenv_t *envp) |
| { |
| unsigned long int fpcr; |
| unsigned long int swcr; |
| |
| /* Get status from software and hardware. Note that we don't need an |
| excb because the callsys is an implied trap barrier. */ |
| swcr = __ieee_get_fp_control (); |
| __asm__ __volatile__ ("mf_fpcr %0" : "=f" (fpcr)); |
| |
| /* Merge the two bits of information. */ |
| *envp = ((fpcr & FPCR_ROUND_MASK) | (swcr & SWCR_ALL_MASK)); |
| |
| /* Success. */ |
| return 0; |
| } |
| |
| #include <shlib-compat.h> |
| #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
| strong_alias (__fegetenv, __old_fegetenv) |
| compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1); |
| #endif |
| |
| versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2); |
| libm_hidden_ver(__fegetenv, fegetenv) |
