/* 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.
#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
#include "floatformat.h" /* For struct floatformat */
-extern const struct floatformat floatformat_unknown;
-
-#if HOST_BYTE_ORDER == BIG_ENDIAN
-#ifndef HOST_FLOAT_FORMAT
-#define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
-#endif
-#ifndef HOST_DOUBLE_FORMAT
-#define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
-#endif
-#else /* LITTLE_ENDIAN */
-#ifndef HOST_FLOAT_FORMAT
-#define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
-#endif
-#ifndef HOST_DOUBLE_FORMAT
-#define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
-#endif
-#endif
-
-#ifndef HOST_LONG_DOUBLE_FORMAT
-#define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
-#endif
-
/* 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
#endif
extern void floatformat_to_doublest (const struct floatformat *,
- char *, DOUBLEST *);
+ const void *in, DOUBLEST *out);
extern void floatformat_from_doublest (const struct floatformat *,
- DOUBLEST *, char *);
+ 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 DOUBLEST extract_floating (void *, int);
-extern void store_floating (void *, int, DOUBLEST);
+/* These functions have been replaced by extract_typed_floating and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. */
+
+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