1 | /* IFUNC resolver function for CPU specific functions. |
2 | 32/64 bit S/390 version. |
3 | Copyright (C) 2015-2024 Free Software Foundation, Inc. |
4 | This file is part of the GNU C Library. |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either |
9 | version 2.1 of the License, or (at your option) any later version. |
10 | |
11 | The GNU C Library 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 GNU |
14 | Lesser General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, see |
18 | <https://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <unistd.h> |
21 | #include <dl-procinfo.h> |
22 | #include <cpu-features.h> |
23 | |
24 | #define s390_libc_ifunc_expr_stfle_init() \ |
25 | const unsigned long long *stfle_bits = features->stfle_bits; |
26 | |
27 | #define s390_libc_ifunc_expr_init() \ |
28 | const struct cpu_features *features = &GLRO(dl_s390_cpu_features); \ |
29 | /* The hwcap from kernel is passed as argument, but we \ |
30 | explicitly use the hwcaps from cpu-features struct. */ \ |
31 | hwcap = features->hwcap; |
32 | |
33 | #define s390_libc_ifunc_expr(TYPE_FUNC, FUNC, EXPR) \ |
34 | __ifunc (TYPE_FUNC, FUNC, EXPR, unsigned long int hwcap, \ |
35 | s390_libc_ifunc_expr_init); |
36 | |