* configure.ac (common): Make the default "yes" for all targets

[deliverable/binutils-gdb.git] / gdb / doublest.h

diff --git a/gdb/doublest.h b/gdb/doublest.h
index 668efa71cf3a55513e62e171d620eda64cbe86f8..1ebefd813082f05efa913c348c20061335105115 100644 (file)
--- a/gdb/doublest.h
+++ b/gdb/doublest.h
@@ -1,8 +1,8 @@
 /* Floating point definitions for GDB.
 
-   Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
-   1996, 1997, 1998, 1999, 2000, 2001, 2003 Free Software Foundation,
-   Inc.
+   Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+   1996, 1997, 1998, 1999, 2000, 2001, 2003, 2005, 2006
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -18,13 +18,14 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #ifndef DOUBLEST_H
 #define DOUBLEST_H
 
 struct type;
+struct floatformat;
 
 /* Setup definitions for host and target floating point formats.  We need to
    consider the format for `float', `double', and `long double' for both target
@@ -47,10 +48,20 @@ struct type;
    host's `long double'.  In general, we'll probably reduce the precision of
    any such values and print a warning.  */
 
-#ifdef HAVE_LONG_DOUBLE
+#if (defined HAVE_LONG_DOUBLE && defined PRINTF_HAS_LONG_DOUBLE \
+     && defined SCANF_HAS_LONG_DOUBLE)
 typedef long double DOUBLEST;
+# define DOUBLEST_PRINT_FORMAT "%Lg"
+# define DOUBLEST_SCAN_FORMAT "%Lg"
 #else
 typedef double DOUBLEST;
+# define DOUBLEST_PRINT_FORMAT "%g"
+# define DOUBLEST_SCAN_FORMAT "%lg"
+/* If we can't scan or print long double, we don't want to use it
+   anywhere.  */
+# undef HAVE_LONG_DOUBLE
+# undef PRINTF_HAS_LONG_DOUBLE
+# undef SCANF_HAS_LONG_DOUBLE
 #endif
 
 extern void floatformat_to_doublest (const struct floatformat *,
@@ -58,9 +69,11 @@ extern void floatformat_to_doublest (const struct floatformat *,
 extern void floatformat_from_doublest (const struct floatformat *,
                                       const DOUBLEST *in, void *out);
 
-extern int floatformat_is_negative (const struct floatformat *, char *);
-extern int floatformat_is_nan (const struct floatformat *, char *);
-extern char *floatformat_mantissa (const struct floatformat *, char *);
+extern int floatformat_is_negative (const struct floatformat *,
+                                   const bfd_byte *);
+extern int floatformat_is_nan (const struct floatformat *, const bfd_byte *);
+extern const char *floatformat_mantissa (const struct floatformat *,
+                                        const bfd_byte *);
 
 /* These functions have been replaced by extract_typed_floating and
    store_typed_floating.
@@ -87,4 +100,11 @@ extern void convert_typed_floating (const void *from,
                                    const struct type *from_type,
                                     void *to, const struct type *to_type);
 
+/* Table of convenient float-formats.  */
+extern const struct floatformat *floatformat_ieee_single[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformat_ieee_double[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformat_ieee_quad[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformat_arm_ext[BFD_ENDIAN_UNKNOWN];
+extern const struct floatformat *floatformat_ia64_spill[BFD_ENDIAN_UNKNOWN];
+
 #endif