blob: 2c28393647ae49bf1b5799545f7ce26829fa5f40 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/* Set flags signalling availability of kernel features based on given
kernel version number. SPARC version.
Copyright (C) 1999-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include_next <kernel-features.h>
/* 32-bit SPARC kernels do not support
futex_atomic_cmpxchg_inatomic. */
#if !defined __arch64__ && !defined __sparc_v9__
# undef __ASSUME_SET_ROBUST_LIST
#endif
/* These syscalls were added for 32-bit in 4.4 (but present for 64-bit
in all supported kernel versions); the architecture-independent
kernel-features.h assumes some of them to be present by default.
getpeername and getsockname syscalls were also added for 32-bit in
4.4, but only for 32-bit kernels, not in the compat syscall table
for 64-bit kernels. */
#if !defined __arch64__ && __LINUX_KERNEL_VERSION < 0x040400
# undef __ASSUME_SENDMSG_SYSCALL
# undef __ASSUME_RECVMSG_SYSCALL
# undef __ASSUME_ACCEPT_SYSCALL
# undef __ASSUME_CONNECT_SYSCALL
# undef __ASSUME_RECVFROM_SYSCALL
# undef __ASSUME_SENDTO_SYSCALL
# undef __ASSUME_GETSOCKOPT_SYSCALL
# undef __ASSUME_SETSOCKOPT_SYSCALL
#else
# define __ASSUME_SOCKET_SYSCALL 1
# define __ASSUME_SOCKETPAIR_SYSCALL 1
# define __ASSUME_SHUTDOWN_SYSCALL 1
#endif
/* These syscalls were added for both 32-bit and 64-bit in 4.4. */
#if __LINUX_KERNEL_VERSION >= 0x040400
# define __ASSUME_BIND_SYSCALL 1
# define __ASSUME_LISTEN_SYSCALL 1
#endif
#ifdef __arch64__
/* sparc64 defines __NR_pause, however it is not supported (ENOSYS).
Undefine so pause.c can use a correct alternative. */
# undef __NR_pause
#endif
/* sparc only supports ipc syscall before 5.1. */
#if __LINUX_KERNEL_VERSION < 0x050100
# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
# if !defined __arch64__
# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
# endif
#endif
/* Support for the renameat2 syscall was added in 3.16. */
#if __LINUX_KERNEL_VERSION < 0x031000
# undef __ASSUME_RENAMEAT2
#endif
/* SPARC kernel Kconfig does not define CONFIG_CLONE_BACKWARDS, however it
has the same ABI as if it did, implemented by sparc-specific code
(sparc_do_fork).
It also has a unique return value convention:
Parent --> %o0 == child's pid, %o1 == 0
Child --> %o0 == parent's pid, %o1 == 1
Which required a special macro to correct issue the syscall
(INLINE_CLONE_SYSCALL). */
#undef __ASSUME_CLONE_DEFAULT
#define __ASSUME_CLONE_BACKWARDS 1
|
