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1 | /* Set flags signalling availability of kernel features based on given |
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2 | kernel version number. |
3 | Copyright (C) 1999-2022 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 |
59 |
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