| /* Set floating-point environment exception handling. e500 version. |
| Copyright (C) 1997-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| 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 |
| __fesetexceptflag (const fexcept_t *flagp, int excepts) |
| { |
| unsigned long old_spefscr, spefscr; |
| fexcept_t flag; |
| int excepts_spe = __fexcepts_to_spe (excepts); |
| |
| /* Get the current state. */ |
| old_spefscr = fegetenv_register (); |
| |
| /* Ignore exceptions not listed in 'excepts'. */ |
| flag = *flagp & excepts_spe; |
| |
| /* Replace the exception status */ |
| spefscr = (old_spefscr & ~excepts_spe) | flag; |
| |
| /* Store the new status word (along with the rest of the environment). */ |
| fesetenv_register (spefscr); |
| |
| /* If the state of the "invalid" or "underflow" flag has changed, |
| inform the kernel. */ |
| if (((spefscr ^ old_spefscr) & (SPEFSCR_FINVS | SPEFSCR_FUNFS)) != 0) |
| __fe_note_change (); |
| |
| /* Success. */ |
| return 0; |
| } |
| |
| #include <shlib-compat.h> |
| #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
| strong_alias (__fesetexceptflag, __old_fesetexceptflag) |
| compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1); |
| #endif |
| |
| versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2); |
