GDB (xrefs)
/tmp/gdb-7.10/gdb/dfp.h
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1 /* Decimal floating point support for GDB.
2 
3  Copyright (C) 2007-2015 Free Software Foundation, Inc.
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 
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,
34  const char *);
35 extern void decimal_from_integral (struct value *from, gdb_byte *to,
36  int len, enum bfd_endian byte_order);
37 extern void decimal_from_floating (struct value *from, gdb_byte *to,
38  int len, enum bfd_endian byte_order);
39 extern DOUBLEST decimal_to_doublest (const gdb_byte *from, int len,
40  enum bfd_endian byte_order);
41 extern 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);
45 extern int decimal_is_zero (const gdb_byte *, int, enum bfd_endian);
46 extern int decimal_compare (const gdb_byte *, int, enum bfd_endian,
47  const gdb_byte *, int, enum bfd_endian);
48 extern void decimal_convert (const gdb_byte *, int, enum bfd_endian,
49  gdb_byte *, int, enum bfd_endian);
50 
51 #endif
DOUBLEST decimal_to_doublest(const gdb_byte *from, int len, enum bfd_endian byte_order)
Definition: dfp.c:255
void decimal_from_integral(struct value *from, gdb_byte *to, int len, enum bfd_endian byte_order)
Definition: dfp.c:209
int decimal_from_string(gdb_byte *, int, enum bfd_endian, const char *)
Definition: dfp.c:174
void decimal_to_string(const gdb_byte *, int, enum bfd_endian, char *)
Definition: dfp.c:146
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)
Definition: dfp.c:269
int * from
Definition: varobj.h:282
double DOUBLEST
Definition: doublest.h:24
int decimal_is_zero(const gdb_byte *, int, enum bfd_endian)
Definition: dfp.c:320
void decimal_convert(const gdb_byte *, int, enum bfd_endian, gdb_byte *, int, enum bfd_endian)
Definition: dfp.c:371
Definition: value.c:172
int decimal_compare(const gdb_byte *, int, enum bfd_endian, const gdb_byte *, int, enum bfd_endian)
Definition: dfp.c:335
bfd_byte gdb_byte
Definition: common-types.h:38
exp_opcode
Definition: expression.h:43
int int * to
Definition: varobj.h:282
void decimal_from_floating(struct value *from, gdb_byte *to, int len, enum bfd_endian byte_order)
Definition: dfp.c:241
const ULONGEST const LONGEST len
Definition: target.h:309