1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* Copyright 2008-2021 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/>. */
#include <elf.h>
#ifdef __powerpc64__
typedef Elf64_auxv_t auxv_t;
#else
typedef Elf32_auxv_t auxv_t;
#endif
#ifndef PPC_FEATURE_HAS_DFP
#define PPC_FEATURE_HAS_DFP 0x00000400
#endif
int
main (int argc, char *argv[], char *envp[], auxv_t auxv[])
{
int i;
for (i = 0; auxv[i].a_type != AT_NULL; i++)
if (auxv[i].a_type == AT_HWCAP) {
if (!(auxv[i].a_un.a_val & PPC_FEATURE_HAS_DFP))
return 1;
break;
}
asm ("mtfsfi 7, 5, 1\n"); /* Set DFP rounding mode. */
return 0;
}
|
