47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* Copyright 2008-2018 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;
|
|
}
|