glibc/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
Romain Naour b7ccb5de35 microblaze: don't use copy_file_range syscall with kernel headers < 4.10
copy_file_range syscall was added for microblaze in 4.10.

This patch makes the MicroBlaze kernel-features.h undefine
__ASSUME_COPY_FILE_RANGE for toolchains built with kernel headers < 4.10.

	* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
	(__ASSUME_COPY_FILE_RANGE) [__LINUX_KERNEL_VERSION < 0x040A00]: Undef.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=7181e5590e5ba898804aef3ee6be7f27606e6f8b

Signed-off-by: Romain Naour <romain.naour@gmail.com>
2018-01-29 16:12:08 +00:00

60 lines
2.0 KiB
C

/* Copyright (C) 2011-2018 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
<http://www.gnu.org/licenses/>. */
/* MicroBlaze uses socketcall. */
#define __ASSUME_SOCKETCALL 1
/* All supported kernel versions for MicroBlaze have these syscalls. */
#define __ASSUME_SOCKET_SYSCALL 1
#define __ASSUME_BIND_SYSCALL 1
#define __ASSUME_CONNECT_SYSCALL 1
#define __ASSUME_LISTEN_SYSCALL 1
#define __ASSUME_GETSOCKNAME_SYSCALL 1
#define __ASSUME_GETPEERNAME_SYSCALL 1
#define __ASSUME_SOCKETPAIR_SYSCALL 1
#define __ASSUME_SEND_SYSCALL 1
#define __ASSUME_RECV_SYSCALL 1
#define __ASSUME_SHUTDOWN_SYSCALL 1
#define __ASSUME_GETSOCKOPT_SYSCALL 1
#define __ASSUME_SETSOCKOPT_SYSCALL 1
#include_next <kernel-features.h>
/* Support for the pselect6, preadv and pwritev syscalls was added in
3.15. */
#if __LINUX_KERNEL_VERSION < 0x030f00
# undef __ASSUME_PSELECT
# undef __ASSUME_PREADV
# undef __ASSUME_PWRITEV
#endif
/* Support for the sendmmsg syscall was added in 3.3. */
#if __LINUX_KERNEL_VERSION < 0x030300
# undef __ASSUME_SENDMMSG_SYSCALL
#endif
/* Support for the execveat syscall was added in 4.0. */
#if __LINUX_KERNEL_VERSION < 0x040000
# undef __ASSUME_EXECVEAT
#endif
/* Support for the copy_file_range syscall was added in 4.10. */
#if __LINUX_KERNEL_VERSION < 0x040A00
# undef __ASSUME_COPY_FILE_RANGE
#endif