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author | gcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2006-08-17 01:23:58 +0000 |
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committer | gcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d> | 2006-08-17 01:23:58 +0000 |
commit | eb697f7064d66386974cd5f64295d9b437b675b3 (patch) | |
tree | 8195e081e1055614522efaa6712a899e1824a9ed /ports/sysdeps/arm/eabi/fsetexcptflg.c | |
parent | c7e41c7c096c142b6463c78feb196e63655b6f31 (diff) | |
download | eglibc2-eb697f7064d66386974cd5f64295d9b437b675b3.tar.gz |
Import glibc-ports-mainline for 2006-08-16
git-svn-id: svn://svn.eglibc.org/fsf/trunk@8 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'ports/sysdeps/arm/eabi/fsetexcptflg.c')
-rw-r--r-- | ports/sysdeps/arm/eabi/fsetexcptflg.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/eabi/fsetexcptflg.c b/ports/sysdeps/arm/eabi/fsetexcptflg.c new file mode 100644 index 000000000..e76d74619 --- /dev/null +++ b/ports/sysdeps/arm/eabi/fsetexcptflg.c @@ -0,0 +1,60 @@ +/* Set floating-point environment exception handling. + Copyright (C) 1997,98,99,2000,01,05 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 General Public License + along with GCC; see the file COPYING. If not, write to the Free + Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ + +#include <fenv.h> +#include <math.h> +#include <fpu_control.h> + +#include <unistd.h> +#include <ldsodefs.h> +#include <dl-procinfo.h> +#include <asm/procinfo.h> + +int +__fesetexceptflag (const fexcept_t *flagp, int excepts) +{ + if (GLRO (dl_hwcap) & HWCAP_VFP) + { + fexcept_t temp; + + /* Get the current environment. */ + _FPU_GETCW (temp); + + /* Set the desired exception mask. */ + temp &= ~((excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT); + temp |= (*flagp & excepts & FE_ALL_EXCEPT) << FE_EXCEPT_SHIFT; + + /* Save state back to the FPU. */ + _FPU_SETCW (temp); + + /* Success. */ + return 0; + } + + /* Unsupported, so fail. */ + return 1; +} + +#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); |