1 files changed, 43 insertions, 0 deletions
diff --git a/libc/ports/sysdeps/arm/ftestexcept.c b/libc/ports/sysdeps/arm/ftestexcept.c
new file mode 100644
index 000000000..06817d2fe
--- /dev/null
+++ b/libc/ports/sysdeps/arm/ftestexcept.c
@@ -0,0 +1,43 @@
+/* Test exception in current environment.
+   Copyright (C) 1997, 1998, 2005, 2010 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.h>
+#include <fpu_control.h>
+
+#include <unistd.h>
+#include <ldsodefs.h>
+#include <dl-procinfo.h>
+#include <sysdep.h>
+
+int
+fetestexcept (int excepts)
+{
+  if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+    {
+      fexcept_t temp;
+
+      /* Get current exceptions.  */
+      _FPU_GETCW(temp);
+
+      return temp & excepts & FE_ALL_EXCEPT;
+    }
+
+  /* Unsupported, return 0.  */
+  return 0;
+}
+libm_hidden_def (fetestexcept)