* remote.c (struct remote_state): Add BUF and BUF_SIZE.

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

diff --git a/gdb/doublest.h b/gdb/doublest.h
index d3955b37955b2f4aa83facfc716e693bcee91eb1..1ebefd813082f05efa913c348c20061335105115 100644 (file)
--- a/gdb/doublest.h
+++ b/gdb/doublest.h
@@ -1,6 +1,7 @@
 /* Floating point definitions for GDB.
-   Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
-   1997, 1998, 1999, 2000, 2001
+
+   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.
@@ -17,12 +18,15 @@
 
    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
    and host.  We need to do this so that we know what kind of conversions need
@@ -35,8 +39,6 @@
 
 #include "floatformat.h"       /* For struct floatformat */
 
-extern const struct floatformat floatformat_unknown;
-
 /* Use `long double' if the host compiler supports it.  (Note that this is not
    necessarily any longer than `double'.  On SunOS/gcc, it's the same as
    double.)  This is necessary because GDB internally converts all floating
@@ -46,10 +48,20 @@ extern const struct floatformat floatformat_unknown;
    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 *,
@@ -57,17 +69,42 @@ 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.
+
+   Most calls are passing in TYPE_LENGTH (TYPE) so can be changed to
+   just pass the TYPE.  The remainder pass in the length of a
+   register, those calls should instead pass in the floating point
+   type that corresponds to that length.  */
+
+extern DOUBLEST deprecated_extract_floating (const void *addr, int len);
+extern void deprecated_store_floating (void *addr, int len, DOUBLEST val);
+
+/* Given TYPE, return its floatformat.  TYPE_FLOATFORMAT() may return
+   NULL.  type_floatformat() detects that and returns a floatformat
+   based on the type size when FLOATFORMAT is NULL.  */
 
-/* Use extract_typed_float() and store_typed_float(). */
-extern DOUBLEST extract_floating (const void *in, int); /* DEPRECATED */
-extern void store_floating (void *, int, DOUBLEST); /* DEPRECATED */
+const struct floatformat *floatformat_from_type (const struct type *type);
 
 extern DOUBLEST extract_typed_floating (const void *addr,
                                        const struct type *type);
 extern void store_typed_floating (void *addr, const struct type *type,
                                  DOUBLEST val);
+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