diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c new file mode 100644 index 0000000000..62f735514a --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c @@ -0,0 +1,43 @@ +/* Procedure definition for FE_NOMASK_ENV for Linux/ppc64. + Copyright (C) 2003, 2006 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 <fenv.h> +#include <errno.h> +#include <sysdep.h> +#include <sys/syscall.h> +#include <sys/prctl.h> +#include <kernel-features.h> + +const fenv_t * +__fe_nomask_env (void) +{ +#if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE + int result; + INTERNAL_SYSCALL_DECL (err); + result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE); +# ifndef __ASSUME_NEW_PRCTL_SYSCALL + if (INTERNAL_SYSCALL_ERROR_P (result, err) + && INTERNAL_SYSCALL_ERRNO (result, err) == EINVAL) + __set_errno (ENOSYS); +# endif +#else + __set_errno (ENOSYS); +#endif + return FE_ENABLED_ENV; +} |