diff --git a/ChangeLog.arm b/ChangeLog.arm index ceebb11f18..867bec49ea 100644 --- a/ChangeLog.arm +++ b/ChangeLog.arm @@ -1,3 +1,7 @@ +2008-07-18 Joseph Myers + + * sysdeps/arm/eabi/feupdateenv.c: New. + 2008-07-18 Joseph Myers * sysdeps/arm/libm-test-ulps: Update. diff --git a/sysdeps/arm/eabi/feupdateenv.c b/sysdeps/arm/eabi/feupdateenv.c new file mode 100644 index 0000000000..9769867ab3 --- /dev/null +++ b/sysdeps/arm/eabi/feupdateenv.c @@ -0,0 +1,59 @@ +/* Install given floating-point environment and raise exceptions. + Copyright (C) 1997, 1999, 2000, 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + +#include +#include +#include +#include + +int +__feupdateenv (const fenv_t *envp) +{ + if (GLRO (dl_hwcap) & HWCAP_ARM_VFP) + { + unsigned int temp; + + /* Get the current exception state. */ + _FPU_GETCW (temp); + + /* Install new environment. */ + fesetenv (envp); + + /* Raise the saved exceptions. */ + feraiseexcept (temp & FE_ALL_EXCEPT); + + /* Success. */ + return 0; + } + + /* Unsupported, so fail. */ + return 1; +} + +#include +#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) +strong_alias (__feupdateenv, __old_feupdateenv) +compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1); +#endif + +versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);