From 03f77315182e8b976ca71ac70711654fed46bc3d Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Thu, 17 Jul 2014 17:52:58 +0000 Subject: [PATCH 3/6] Split sparc out of main Linux kernel-features.h. This patch splits sparc out of the main Linux kernel-features.h. Not tested. * sysdeps/unix/sysv/linux/sparc/kernel-features.h: New file. * sysdeps/unix/sysv/linux/kernel-features.h [__sparc__] (__ASSUME_SOCKETCALL): Do not define. (__ASSUME_SET_ROBUST_LIST): Define unconditionally. (__ASSUME_FUTEX_LOCK_PI): Likewise. [__sparc__] (__ASSUME_ACCEPT4_SYSCALL): Do not define. [__sparc__] (__ASSUME_ACCEPT4_SYSCALL_WITH_SOCKETCALL): Likewise. (__ASSUME_REQUEUE_PI): Define unconditionally. [__LINUX_KERNEL_VERSION >= 0x020621 && __sparc__] (__ASSUME_RECVMMSG_SYSCALL): Do not define. [__sparc__] (__ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL): Likewise. [__LINUX_KERNEL_VERSION >= 0x030000 && __sparc__] (__ASSUME_SENDMMSG_SYSCALL): Likewise. [__sparc__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise. --- sysdeps/unix/sysv/linux/sparc/kernel-features.h | 47 +++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/sparc/kernel-features.h (limited to 'sysdeps/unix/sysv/linux/sparc') diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h new file mode 100644 index 0000000000..1754d36e03 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h @@ -0,0 +1,47 @@ +/* Set flags signalling availability of kernel features based on given + kernel version number. SPARC version. + Copyright (C) 1999-2014 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 + . */ + +/* SPARC uses socketcall. */ +#define __ASSUME_SOCKETCALL 1 + +/* The accept4 syscall was added for SPARC in 2.6.28. */ +#define __ASSUME_ACCEPT4_SYSCALL 1 +#define __ASSUME_ACCEPT4_SYSCALL_WITH_SOCKETCALL 1 + +/* The recvmmsg syscall was added for SPARC in 2.6.33. */ +#if __LINUX_KERNEL_VERSION >= 0x020621 +# define __ASSUME_RECVMMSG_SYSCALL 1 +#endif +#define __ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL 1 + +/* The sendmmsg syscall was added for SPARC in 3.0. */ +#if __LINUX_KERNEL_VERSION >= 0x030000 +# define __ASSUME_SENDMMSG_SYSCALL 1 +#endif +#define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL 1 + +#include_next + +/* 32-bit SPARC kernels do not support + futex_atomic_cmpxchg_inatomic. */ +#if !defined __arch64__ && !defined __sparc_v9__ +# undef __ASSUME_FUTEX_LOCK_PI +# undef __ASSUME_REQUEUE_PI +# undef __ASSUME_SET_ROBUST_LIST +#endif -- cgit v1.2.3-70-g09d2