1 files changed, 91 insertions, 0 deletions
diff --git a/sysdeps/hppa/fpu/bits/fenv.h b/sysdeps/hppa/fpu/bits/fenv.h
new file mode 100644
index 0000000000..b675ea4c15
--- /dev/null
+++ b/sysdeps/hppa/fpu/bits/fenv.h
@@ -0,0 +1,91 @@
+/* Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Huggins-Daines <dhd@debian.org>
+
+   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/>.  */
+
+#ifndef _FENV_H
+# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
+#endif
+
+/* Define bits representing the exception.  We use the values of the
+   appropriate enable bits in the FPU status word (which,
+   coincidentally, are the same as the flag bits, but shifted right by
+   27 bits).  */
+enum
+{
+  FE_INVALID =
+#define FE_INVALID	(1<<4) /* V */
+    FE_INVALID,
+  FE_DIVBYZERO =
+#define FE_DIVBYZERO	(1<<3) /* Z */
+    FE_DIVBYZERO,
+  FE_OVERFLOW =
+#define FE_OVERFLOW	(1<<2) /* O */
+    FE_OVERFLOW,
+  FE_UNDERFLOW =
+#define FE_UNDERFLOW	(1<<1) /* U */
+    FE_UNDERFLOW,
+  FE_INEXACT =
+#define FE_INEXACT	(1<<0) /* I */
+    FE_INEXACT,
+};
+
+#define FE_ALL_EXCEPT \
+	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)
+
+/* The PA-RISC FPU supports all of the four defined rounding modes.
+   We use the values of the RM field in the floating point status
+   register for the appropriate macros.  */
+enum
+  {
+    FE_TONEAREST =
+#define FE_TONEAREST	(0 << 9)
+      FE_TONEAREST,
+    FE_TOWARDZERO =
+#define FE_TOWARDZERO	(1 << 9)
+      FE_TOWARDZERO,
+    FE_UPWARD =
+#define FE_UPWARD	(2 << 9)
+      FE_UPWARD,
+    FE_DOWNWARD =
+#define FE_DOWNWARD	(3 << 9)
+      FE_DOWNWARD,
+  };
+
+/* Type representing exception flags. */
+typedef unsigned int fexcept_t;
+
+/* Type representing floating-point environment.  This structure
+   corresponds to the layout of the status and exception words in the
+   register file. The exception registers are never saved/stored by
+   userspace. This structure is also not correctly aligned ever, in
+   an ABI error we left out __aligned(8) and subsequently all of our
+   fenv functions must accept unaligned input, align the input, and
+   then use assembly to store fr0. This is a performance hit, but
+   means the ABI is stable. */
+typedef struct
+{
+  unsigned int __status_word;
+  unsigned int __exception[7];
+} fenv_t;
+
+/* If the default argument is used we use this value.  */
+#define FE_DFL_ENV ((const fenv_t *) -1)
+
+#ifdef __USE_GNU
+/* Floating-point environment where none of the exceptions are masked.  */
+# define FE_NOMASK_ENV	((const fenv_t *) -2)
+#endif