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-rw-r--r--ports/sysdeps/arm/fegetenv.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/fegetenv.c b/ports/sysdeps/arm/fegetenv.c
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+++ b/ports/sysdeps/arm/fegetenv.c
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+/* Store current floating-point environment.
+   Copyright (C) 1997,98,99,2000,01,05,10 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
+__fegetenv (fenv_t *envp)
+{
+  if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+    {
+      unsigned long int temp;
+      _FPU_GETCW (temp);
+      envp->__cw = temp;
+
+      /* Success.  */
+      return 0;
+    }
+
+  /* Unsupported, so fail.  */
+  return 1;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__fegetenv, __old_fegetenv)
+compat_symbol (libm, __old_fegetenv, fegetenv, GLIBC_2_1);
+#endif
+
+libm_hidden_ver (__fegetenv, fegetenv)
+versioned_symbol (libm, __fegetenv, fegetenv, GLIBC_2_2);