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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [dfp.h] - Blame information for rev 816

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1 227 jeremybenn
/* Decimal floating point support for GDB.
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   Copyright 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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/* Decimal floating point is one of the extension to IEEE 754, which is
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   described in http://grouper.ieee.org/groups/754/revision.html and
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   http://www2.hursley.ibm.com/decimal/.  It completes binary floating
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   point by representing floating point more exactly.  */
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#ifndef DFP_H
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#define DFP_H
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/* When using decimal128, this is the maximum string length + 1
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 * (value comes from libdecnumber's DECIMAL128_String constant).  */
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#define MAX_DECIMAL_STRING  43
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extern void decimal_to_string (const gdb_byte *, int, enum bfd_endian, char *);
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extern int decimal_from_string (gdb_byte *, int, enum bfd_endian, const char *);
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extern void decimal_from_integral (struct value *from, gdb_byte *to,
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                                   int len, enum bfd_endian byte_order);
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extern void decimal_from_floating (struct value *from, gdb_byte *to,
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                                   int len, enum bfd_endian byte_order);
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extern DOUBLEST decimal_to_doublest (const gdb_byte *from, int len,
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                                     enum bfd_endian byte_order);
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extern void decimal_binop (enum exp_opcode,
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                           const gdb_byte *, int, enum bfd_endian,
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                           const gdb_byte *, int, enum bfd_endian,
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                           gdb_byte *, int, enum bfd_endian);
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extern int decimal_is_zero (const gdb_byte *, int, enum bfd_endian);
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extern int decimal_compare (const gdb_byte *, int, enum bfd_endian,
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                            const gdb_byte *, int, enum bfd_endian);
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extern void decimal_convert (const gdb_byte *, int, enum bfd_endian,
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                             gdb_byte *, int, enum bfd_endian);
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#endif

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