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authorJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-01 13:06:41 +0000
commite64ac02c24b43659048622714afdc92fedf561fa (patch)
tree37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/arm/fegetexcept.c
parenta20c2b3c87aebc7d4b090c622d36480263b80042 (diff)
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Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-merge
Diffstat (limited to 'ports/sysdeps/arm/fegetexcept.c')
-rw-r--r--ports/sysdeps/arm/fegetexcept.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/fegetexcept.c b/ports/sysdeps/arm/fegetexcept.c
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+++ b/ports/sysdeps/arm/fegetexcept.c
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+/* Get floating-point exceptions.
+   Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Philip Blundell <philb@gnu.org>, 2001
+
+   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
+fegetexcept (void)
+{
+  if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+    {
+      unsigned long temp;
+
+      _FPU_GETCW (temp);
+
+      return (temp >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
+    }
+
+  /* Unsupported. Return all exceptions disabled.  */
+  return 0;
+}