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63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/* Set flags signalling availability of kernel features based on given
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kernel version number. SH version.
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Copyright (C) 1999-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef __KERNEL_FEATURES_SH__
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# define __KERNEL_FEATURES_SH__
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#include <endian.h>
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/* These syscalls were added for SH in 2.6.37. */
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#define __ASSUME_CONNECT_SYSCALL 1
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#define __ASSUME_SEND_SYSCALL 1
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#define __ASSUME_RECV_SYSCALL 1
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#include_next <kernel-features.h>
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/* SH4 ABI does not really require argument alignment for 64-bits, but
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the kernel interface for p{read,write}64 adds a dummy long argument
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before the offset. */
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#define __ASSUME_PRW_DUMMY_ARG 1
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/* sh only supports ipc syscall before 5.1. */
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#if __LINUX_KERNEL_VERSION < 0x050100
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# undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
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# undef __ASSUME_SYSVIPC_DEFAULT_IPC_64
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#endif
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#if __BYTE_ORDER == __BIG_ENDIAN
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# define __ASSUME_SYSVIPC_BROKEN_MODE_T
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#endif
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/* Support for several syscalls was added in 4.8. */
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#if __LINUX_KERNEL_VERSION < 0x040800
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# undef __ASSUME_RENAMEAT2
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# undef __ASSUME_EXECVEAT
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# undef __ASSUME_MLOCK2
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#endif
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/* sh does not support the statx system call before 5.1. */
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#if __LINUX_KERNEL_VERSION < 0x050100
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# undef __ASSUME_STATX
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#endif
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/* sh does not provide clone3. */
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#undef __ASSUME_CLONE3
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#define __ASSUME_CLONE3 0
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#endif
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