1/* Set flags signalling availability of kernel features based on given
 2   kernel version number.
 3   Copyright (C) 1999-2025 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 <sgidefs.h>
21
22#include_next <kernel-features.h>
23
24/* The MIPS kernel does not support futex_atomic_cmpxchg_inatomic if
25   emulating LL/SC.  */
26#if __mips == 1 || defined _MIPS_ARCH_R5900
27# undef __ASSUME_SET_ROBUST_LIST
28#endif
29
30/* Define this if your 32-bit syscall API requires 64-bit register
31   pairs to start with an even-number register.  */
32#if _MIPS_SIM == _ABIO32
33# define __ASSUME_ALIGNED_REGISTER_PAIRS	1
34/* mips32 only supports ipc syscall before 5.1.  */
35# if __LINUX_KERNEL_VERSION < 0x050100
36#  undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
37#  undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
38# else
39# endif
40
41/* The o32 MIPS fadvise64 syscall behaves as fadvise64_64.  */
42# define __ASSUME_FADVISE64_AS_64_64		1
43
44/* mips32 support wire-up network syscalls.  */
45# define __ASSUME_RECV_SYSCALL		1
46# define __ASSUME_SEND_SYSCALL		1
47#else
48# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
49#endif
50
51/* Define that mips64-n32 is a ILP32 ABI to set the correct interface to
52   pass 64-bits values through syscalls.  */
53#if _MIPS_SIM == _ABIN32
54# define __ASSUME_WORDSIZE64_ILP32	1
55#endif
56
57#undef __ASSUME_CLONE_DEFAULT
58#define __ASSUME_CLONE_BACKWARDS	1