1 /* Emulate AT_MINSIGSTKSZ. Generic x86 version.
2 Copyright (C) 2020 Free Software Foundation, Inc.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 /* Emulate AT_MINSIGSTKSZ with XSAVE. */
19
20 static inline void
dl_check_minsigstacksize(const struct cpu_features * cpu_features)21 dl_check_minsigstacksize (const struct cpu_features *cpu_features)
22 {
23 /* NB: Default to a constant MINSIGSTKSZ. */
24 _Static_assert (__builtin_constant_p (MINSIGSTKSZ),
25 "MINSIGSTKSZ is constant");
26 GLRO(dl_minsigstacksize) = MINSIGSTKSZ;
27 }
28