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92724ebc RM |
1 | /* Set flags signalling availability of kernel features based on given |
2 | kernel version number. | |
581c785b | 3 | Copyright (C) 1999-2022 Free Software Foundation, Inc. |
92724ebc RM |
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 | |
ab84e3ff | 17 | License along with the GNU C Library. If not, see |
5a82c748 | 18 | <https://www.gnu.org/licenses/>. */ |
92724ebc RM |
19 | |
20 | #include <sgidefs.h> | |
21 | ||
54c0ba29 JM |
22 | #include_next <kernel-features.h> |
23 | ||
47c5adeb JM |
24 | /* The MIPS kernel does not support futex_atomic_cmpxchg_inatomic if |
25 | emulating LL/SC. */ | |
26 | #if __mips == 1 || defined _MIPS_ARCH_R5900 | |
47c5adeb JM |
27 | # undef __ASSUME_SET_ROBUST_LIST |
28 | #endif | |
482b2f87 AZ |
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 | |
720e9541 AZ |
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 | |
841a67a0 AZ |
40 | |
41 | /* The o32 MIPS fadvise64 syscall behaves as fadvise64_64. */ | |
42 | # define __ASSUME_FADVISE64_AS_64_64 1 | |
df799d9e AZ |
43 | |
44 | /* mips32 support wire-up network syscalls. */ | |
45 | # define __ASSUME_RECV_SYSCALL 1 | |
60f9423b | 46 | # define __ASSUME_SEND_SYSCALL 1 |
720e9541 AZ |
47 | #else |
48 | # undef __ASSUME_SYSVIPC_DEFAULT_IPC_64 | |
482b2f87 | 49 | #endif |
eeddfa91 AZ |
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 | |
3dc21497 AZ |
56 | |
57 | #undef __ASSUME_CLONE_DEFAULT | |
58 | #define __ASSUME_CLONE_BACKWARDS 1 |