/* Set floating-point environment exception handling. Copyright (C) 1997,98,99,2000,01,05,08,11 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include #include #include #include #include #include #include int __fesetexceptflag (const fexcept_t *flagp, int excepts) { if (GLRO (dl_hwcap) & HWCAP_ARM_VFP) { fexcept_t temp; /* Get the current environment. */ _FPU_GETCW (temp); /* Set the desired exception mask. */ temp &= ~(excepts & FE_ALL_EXCEPT); temp |= (*flagp & excepts & FE_ALL_EXCEPT); /* Save state back to the FPU. */ _FPU_SETCW (temp); /* Success. */ return 0; } /* Unsupported, so fail unless nothing needs to be done. */ return (excepts != 0); } #include #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);