2004-10-08 Andrew Cagney <cagney@gnu.org>

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

diff --git a/gdb/doublest.h b/gdb/doublest.h
index a31d8497fd1a462d50cef815b7b2f79d08b3264d..8510baa310ae3708260a55ff686f371ecf7e283d 100644 (file)
--- a/gdb/doublest.h
+++ b/gdb/doublest.h
@@ -1,7 +1,8 @@
 /* Floating point definitions for GDB.
-   Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
-   1997, 1998, 1999, 2000, 2001
-   Free Software Foundation, Inc.
+
+   Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
+   1996, 1997, 1998, 1999, 2000, 2001, 2003 Free Software Foundation,
+   Inc.
 
    This file is part of GDB.
 
@@ -23,6 +24,9 @@
 #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
@@ -61,16 +63,36 @@ 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 *);
 
-/* These two functions are deprecated in favour of
-   extract_typed_floating and store_typed_floating.  See comments in
-   'doublest.c' for details.  */
+/* These functions have been replaced by extract_typed_floating and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.  */
 
-extern DOUBLEST extract_floating (const void *addr, int len);
-extern void store_floating (void *addr, int len, DOUBLEST val);
+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