1 /* Sequent Symmetry target interface, for GDB.
2 Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 2000
3 Free Software Foundation, Inc.
5 This file is part of GDB.
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 2 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* many 387-specific items of use taken from i386-dep.c */
30 #include <sys/param.h>
33 #include <sys/ioctl.h>
39 symmetry_extract_return_value (struct type
*type
, char *regbuf
, char *valbuf
)
47 struct minimal_symbol
*msymbol
;
50 if (TYPE_CODE_FLT
== TYPE_CODE (type
))
52 msymbol
= lookup_minimal_symbol ("1167_flt", NULL
, NULL
);
55 /* found "1167_flt" means 1167, %fp2-%fp3 */
56 /* float & double; 19= %fp2, 20= %fp3 */
57 /* no single precision on 1167 */
58 xd
.l
[1] = *((int *) ®buf
[REGISTER_BYTE (19)]);
59 xd
.l
[0] = *((int *) ®buf
[REGISTER_BYTE (20)]);
60 switch (TYPE_LENGTH (type
))
63 /* FIXME: broken for cross-debugging. */
65 memcpy (valbuf
, &f
, TYPE_LENGTH (type
));
68 /* FIXME: broken for cross-debugging. */
69 memcpy (valbuf
, &xd
.d
, TYPE_LENGTH (type
));
72 error ("Unknown floating point size");
78 /* 387 %st(0), gcc uses this */
79 i387_to_double (((int *) ®buf
[REGISTER_BYTE (3)]),
81 switch (TYPE_LENGTH (type
))
85 /* FIXME: broken for cross-debugging. */
86 memcpy (valbuf
, &f
, 4);
89 /* FIXME: broken for cross-debugging. */
90 memcpy (valbuf
, &xd
.d
, 8);
93 error ("Unknown floating point size");
100 memcpy (valbuf
, regbuf
, TYPE_LENGTH (type
));
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