1 /* Copyright (C) 2009-2021 Free Software Foundation, Inc.
2 
3    This file is part of the GNU C Library.
4 
5    The GNU C Library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9 
10    The GNU C Library 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 GNU
13    Lesser General Public License for more details.
14 
15    You should have received a copy of the GNU Lesser General Public
16    License along with the GNU C Library.  If not, see
17    <https://www.gnu.org/licenses/>.  */
18 
19 #ifndef _LIBC_VDSO_H
20 #define _LIBC_VDSO_H
21 
22 /* Adjust the return IFUNC value from a vDSO symbol accordingly required
23    by the ELFv1 ABI.  It is used by the architecture to create an ODP
24    entry since the kernel vDSO does not provide it.  */
25 #define VDSO_IFUNC_RET(__value) (__value)
26 
27 #endif
28