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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 19:51:23 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-12-27 19:51:23 +0000
commit9a47d57c4784163dcf838c7461c53de29ca7a61f (patch)
tree80c130f3da27db25996b0a5f93270df554dcd8b4 /sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c
parente0b77a51a258fc7554aeb194ac6b219ee3078f0d (diff)
parent82dd75a7f436a19047325d62182590c9f9e23a78 (diff)
Merge branch 't/tls' into refs/top-bases/tschwinge/Roger_Whittaker
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c')
-rw-r--r--sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c b/sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c
new file mode 100644
index 0000000000..0a2d70d13a
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/e500/nofpu/fegetmode.c
@@ -0,0 +1,37 @@
+/* Store current floating-point control modes. e500 version.
+ Copyright (C) 2016-2018 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fenv_libc.h>
+#include <sysdep.h>
+#include <sys/prctl.h>
+
+int
+fegetmode (femode_t *modep)
+{
+ fenv_union_t u;
+ INTERNAL_SYSCALL_DECL (err);
+ int r;
+
+ r = INTERNAL_SYSCALL (prctl, err, 2, PR_GET_FPEXC, &u.l[0]);
+ if (INTERNAL_SYSCALL_ERROR_P (r, err))
+ return -1;
+
+ u.l[1] = fegetenv_register ();
+ *modep = u.fenv;
+ return 0;
+}