Upgrade GDB from 7.4.1 to 7.6.1 on the vendor branch
[dragonfly.git] / contrib / gdb-7 / gdb / dfp.h
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1/* Decimal floating point support for GDB.
2
ef5ccd6c 3 Copyright (C) 2007-2013 Free Software Foundation, Inc.
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4
5 This file is part of GDB.
6
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.
11
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.
16
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/>. */
19
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. */
24
25#ifndef DFP_H
26#define DFP_H
27
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
31
32extern void decimal_to_string (const gdb_byte *, int, enum bfd_endian, char *);
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33extern int decimal_from_string (gdb_byte *, int, enum bfd_endian,
34 const char *);
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35extern void decimal_from_integral (struct value *from, gdb_byte *to,
36 int len, enum bfd_endian byte_order);
37extern void decimal_from_floating (struct value *from, gdb_byte *to,
38 int len, enum bfd_endian byte_order);
39extern DOUBLEST decimal_to_doublest (const gdb_byte *from, int len,
40 enum bfd_endian byte_order);
41extern void decimal_binop (enum exp_opcode,
42 const gdb_byte *, int, enum bfd_endian,
43 const gdb_byte *, int, enum bfd_endian,
44 gdb_byte *, int, enum bfd_endian);
45extern int decimal_is_zero (const gdb_byte *, int, enum bfd_endian);
46extern int decimal_compare (const gdb_byte *, int, enum bfd_endian,
47 const gdb_byte *, int, enum bfd_endian);
48extern void decimal_convert (const gdb_byte *, int, enum bfd_endian,
49 gdb_byte *, int, enum bfd_endian);
50
51#endif