1 /* Sequent Symmetry target interface, for GDB.
2 Copyright (C) 1986, 1987, 1989, 1991, 1994 Free Software Foundation, Inc.
4 This file is part of GDB.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* many 387-specific items of use taken from i386-dep.c */
29 #include <sys/param.h>
32 #include <sys/ioctl.h>
38 symmetry_extract_return_value (type
, regbuf
, valbuf
)
49 struct minimal_symbol
*msymbol
;
52 if (TYPE_CODE_FLT
== TYPE_CODE (type
))
54 msymbol
= lookup_minimal_symbol ("1167_flt", NULL
, NULL
);
57 /* found "1167_flt" means 1167, %fp2-%fp3 */
58 /* float & double; 19= %fp2, 20= %fp3 */
59 /* no single precision on 1167 */
60 xd
.l
[1] = *((int *) ®buf
[REGISTER_BYTE (19)]);
61 xd
.l
[0] = *((int *) ®buf
[REGISTER_BYTE (20)]);
62 switch (TYPE_LENGTH (type
))
65 /* FIXME: broken for cross-debugging. */
67 memcpy (valbuf
, &f
, TYPE_LENGTH (type
));
70 /* FIXME: broken for cross-debugging. */
71 memcpy (valbuf
, &xd
.d
, TYPE_LENGTH (type
));
74 error ("Unknown floating point size");
80 /* 387 %st(0), gcc uses this */
81 i387_to_double (((int *) ®buf
[REGISTER_BYTE (3)]),
83 switch (TYPE_LENGTH (type
))
87 /* FIXME: broken for cross-debugging. */
88 memcpy (valbuf
, &f
, 4);
91 /* FIXME: broken for cross-debugging. */
92 memcpy (valbuf
, &xd
.d
, 8);
95 error ("Unknown floating point size");
102 memcpy (valbuf
, regbuf
, TYPE_LENGTH (type
));
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