1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/feenablxcpt.c b/sysdeps/powerpc/powerpc32/e500/nofpu/feenablxcpt.c
new file mode 100644
index 0000000000..133dde7b31
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/e500/nofpu/feenablxcpt.c
@@ -0,0 +1,54 @@
+/* Enable floating-point exceptions.  e500 version.
+   Copyright (C) 2004-2013 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
+feenableexcept (int excepts)
+{
+  unsigned int result = 0, pflags, r;
+  INTERNAL_SYSCALL_DECL (err);
+
+  r = INTERNAL_SYSCALL (prctl, err, 2, PR_GET_FPEXC, &pflags);
+  if (INTERNAL_SYSCALL_ERROR_P (r, err))
+    return -1;
+
+  /* Save old enable bits.  */
+  result = __fexcepts_from_prctl (pflags);
+
+  pflags |= __fexcepts_to_prctl (excepts);
+  r = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC,
+			pflags | PR_FP_EXC_SW_ENABLE);
+  if (INTERNAL_SYSCALL_ERROR_P (r, err))
+    return -1;
+
+  /* If enabling signals for "inexact", also enable trapping to the
+     kernel.  */
+  if ((excepts & FE_INEXACT) != 0)
+    {
+      unsigned long fpescr;
+
+      fpescr = fegetenv_register ();
+      fpescr |= SPEFSCR_FINXE;
+      fesetenv_register (fpescr);
+    }
+
+  return result;
+}