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3666a048 | 1 | /* Copyright 2008-2021 Free Software Foundation, Inc. |
69abc51c TJB |
2 | |
3 | This file is part of GDB. | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <elf.h> | |
19 | ||
20 | #ifdef __powerpc64__ | |
21 | typedef Elf64_auxv_t auxv_t; | |
22 | #else | |
23 | typedef Elf32_auxv_t auxv_t; | |
24 | #endif | |
25 | ||
26 | #ifndef PPC_FEATURE_HAS_DFP | |
27 | #define PPC_FEATURE_HAS_DFP 0x00000400 | |
28 | #endif | |
29 | ||
30 | int | |
31 | main (int argc, char *argv[], char *envp[], auxv_t auxv[]) | |
32 | { | |
33 | int i; | |
34 | ||
35 | for (i = 0; auxv[i].a_type != AT_NULL; i++) | |
36 | if (auxv[i].a_type == AT_HWCAP) { | |
37 | if (!(auxv[i].a_un.a_val & PPC_FEATURE_HAS_DFP)) | |
38 | return 1; | |
39 | ||
40 | break; | |
41 | } | |
42 | ||
43 | asm ("mtfsfi 7, 5, 1\n"); /* Set DFP rounding mode. */ | |
44 | ||
45 | return 0; | |
46 | } |