1 /* Decimal floating point support for GDB.
3 Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 /* Decimal floating point is one of the extension to IEEE 754, which is
21 described in http://grouper.ieee.org/groups/754/revision.html and
22 http://www2.hursley.ibm.com/decimal/. It completes binary floating
23 point by representing floating point more exactly. */
28 /* When using decimal128, this is the maximum string length + 1
29 * (value comes from libdecnumber's DECIMAL128_String constant). */
30 #define MAX_DECIMAL_STRING 43
32 extern void decimal_to_string (const gdb_byte
*, int, enum bfd_endian
, char *);
33 extern int decimal_from_string (gdb_byte
*, int, enum bfd_endian
, const char *);
34 extern void decimal_from_integral (struct value
*from
, gdb_byte
*to
,
35 int len
, enum bfd_endian byte_order
);
36 extern void decimal_from_floating (struct value
*from
, gdb_byte
*to
,
37 int len
, enum bfd_endian byte_order
);
38 extern DOUBLEST
decimal_to_doublest (const gdb_byte
*from
, int len
,
39 enum bfd_endian byte_order
);
40 extern void decimal_binop (enum exp_opcode
,
41 const gdb_byte
*, int, enum bfd_endian
,
42 const gdb_byte
*, int, enum bfd_endian
,
43 gdb_byte
*, int, enum bfd_endian
);
44 extern int decimal_is_zero (const gdb_byte
*, int, enum bfd_endian
);
45 extern int decimal_compare (const gdb_byte
*, int, enum bfd_endian
,
46 const gdb_byte
*, int, enum bfd_endian
);
47 extern void decimal_convert (const gdb_byte
*, int, enum bfd_endian
,
48 gdb_byte
*, int, enum bfd_endian
);
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