sysdeps/unix/sysv/linux/sh/kernel-features.h

   1 /* Set flags signalling availability of kernel features based on given
   2    kernel version number.  SH version.
   3    Copyright (C) 1999-2019 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    <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef __KERNEL_FEATURES_SH__
  21 # define __KERNEL_FEATURES_SH__
  22
  23 /* These syscalls were added for SH in 2.6.37.  */
  24 #define __ASSUME_SOCKET_SYSCALL         1
  25 #define __ASSUME_BIND_SYSCALL           1
  26 #define __ASSUME_CONNECT_SYSCALL        1
  27 #define __ASSUME_LISTEN_SYSCALL         1
  28 #define __ASSUME_GETSOCKNAME_SYSCALL    1
  29 #define __ASSUME_GETPEERNAME_SYSCALL    1
  30 #define __ASSUME_SOCKETPAIR_SYSCALL     1
  31 #define __ASSUME_SEND_SYSCALL           1
  32 #define __ASSUME_RECV_SYSCALL           1
  33 #define __ASSUME_SHUTDOWN_SYSCALL       1
  34 #define __ASSUME_GETSOCKOPT_SYSCALL     1
  35 #define __ASSUME_SETSOCKOPT_SYSCALL     1
  36
  37 #include_next <kernel-features.h>
  38
  39 /* SH4 ABI does not really require argument alignment for 64-bits, but
  40    the kernel interface for p{read,write}64 adds a dummy long argument
  41    before the offset.  */
  42 #define __ASSUME_PRW_DUMMY_ARG  1
  43
  44 /* sh only supports ipc syscall.  */
  45 #undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
  46
  47 /* Support for several syscalls was added in 4.8.  */
  48 #if __LINUX_KERNEL_VERSION < 0x040800
  49 # undef __ASSUME_RENAMEAT2
  50 # undef __ASSUME_EXECVEAT
  51 # undef __ASSUME_MLOCK2
  52 #endif
  53
  54 /* sh does not support the statx system call before 5.1.  */
  55 #if __LINUX_KERNEL_VERSION < 0x050100
  56 # undef __ASSUME_STATX
  57 #endif
  58
  59 #endif