52 lines
2.2 KiB
C
52 lines
2.2 KiB
C
/* Decimal floating point support for GDB.
|
|
|
|
Copyright (C) 2007-2016 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* Decimal floating point is one of the extension to IEEE 754, which is
|
|
described in http://grouper.ieee.org/groups/754/revision.html and
|
|
http://www2.hursley.ibm.com/decimal/. It completes binary floating
|
|
point by representing floating point more exactly. */
|
|
|
|
#ifndef DFP_H
|
|
#define DFP_H
|
|
|
|
/* When using decimal128, this is the maximum string length + 1
|
|
* (value comes from libdecnumber's DECIMAL128_String constant). */
|
|
#define MAX_DECIMAL_STRING 43
|
|
|
|
extern void decimal_to_string (const gdb_byte *, int, enum bfd_endian, char *);
|
|
extern int decimal_from_string (gdb_byte *, int, enum bfd_endian,
|
|
const char *);
|
|
extern void decimal_from_integral (struct value *from, gdb_byte *to,
|
|
int len, enum bfd_endian byte_order);
|
|
extern void decimal_from_floating (struct value *from, gdb_byte *to,
|
|
int len, enum bfd_endian byte_order);
|
|
extern DOUBLEST decimal_to_doublest (const gdb_byte *from, int len,
|
|
enum bfd_endian byte_order);
|
|
extern void decimal_binop (enum exp_opcode,
|
|
const gdb_byte *, int, enum bfd_endian,
|
|
const gdb_byte *, int, enum bfd_endian,
|
|
gdb_byte *, int, enum bfd_endian);
|
|
extern int decimal_is_zero (const gdb_byte *, int, enum bfd_endian);
|
|
extern int decimal_compare (const gdb_byte *, int, enum bfd_endian,
|
|
const gdb_byte *, int, enum bfd_endian);
|
|
extern void decimal_convert (const gdb_byte *, int, enum bfd_endian,
|
|
gdb_byte *, int, enum bfd_endian);
|
|
|
|
#endif
|