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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.c43
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;
+}