diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 13 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/kernel-features.h | 38 |
3 files changed, 52 insertions, 9 deletions
@@ -1,5 +1,15 @@ 2014-07-17 Joseph Myers <joseph@codesourcery.com> + * sysdeps/unix/sysv/linux/x86_64/kernel-features.h: New file. + * sysdeps/unix/sysv/linux/kernel-features.h [__x86_64__] + (__ASSUME_ACCEPT4_SYSCALL): Do not define. + [__LINUX_KERNEL_VERSION >= 0x020621 && __x86_64__] + (__ASSUME_RECVMMSG_SYSCALL): Likewise. + [__LINUX_KERNEL_VERSION >= 0x030000 && __x86_64__] + (__ASSUME_SENDMMSG_SYSCALL): Likewise. + [__x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100] + (__ASSUME_GETCPU_SYSCALL): Likewise. + * aclocal.m4 (LIBC_SLIBDIR_RTLDDIR): New macro. * sysdeps/gnu/configure.ac: Use LIBC_SLIBDIR_RTLDDIR. Remove cases for individual architectures. diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index 665c348829..359267131f 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -137,7 +137,7 @@ /* The accept4 syscall was added for x86_64 and SPARC in 2.6.28, and for PowerPC and SH in 2.6.37. */ -#if (defined __x86_64__ || defined __sparc__) \ +#if defined __sparc__ \ || (__LINUX_KERNEL_VERSION >= 0x020625 \ && (defined __powerpc__ || defined __sh__)) # define __ASSUME_ACCEPT4_SYSCALL 1 @@ -173,7 +173,7 @@ /* The recvmmsg syscall was added for i386, x86_64 and SPARC in 2.6.33, and for PowerPC and SH in 2.6.37. */ #if (__LINUX_KERNEL_VERSION >= 0x020621 \ - && (defined __i386__ || defined __x86_64__ || defined __sparc__)) \ + && (defined __i386__ || defined __sparc__)) \ || (__LINUX_KERNEL_VERSION >= 0x020625 \ && (defined __powerpc__ || defined __sh__)) # define __ASSUME_RECVMMSG_SYSCALL 1 @@ -210,8 +210,8 @@ /* The sendmmsg syscall was added for i386, x86_64, PowerPC, SH and SPARC in 3.0. */ -#if __LINUX_KERNEL_VERSION >= 0x030000 \ - && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \ +#if __LINUX_KERNEL_VERSION >= 0x030000 \ + && (defined __i386__ || defined __powerpc__ \ || defined __sh__ || defined __sparc__) # define __ASSUME_SENDMMSG_SYSCALL 1 #endif @@ -223,8 +223,3 @@ #if defined __ASSUME_SENDMMSG_SOCKETCALL || defined __ASSUME_SENDMMSG_SYSCALL # define __ASSUME_SENDMMSG 1 #endif - -/* getcpu is a syscall for x86-64 since 3.1. */ -#if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100 -# define __ASSUME_GETCPU_SYSCALL 1 -#endif diff --git a/sysdeps/unix/sysv/linux/x86_64/kernel-features.h b/sysdeps/unix/sysv/linux/x86_64/kernel-features.h new file mode 100644 index 0000000000..562dd87c6d --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86_64/kernel-features.h @@ -0,0 +1,38 @@ +/* Set flags signalling availability of kernel features based on given + kernel version number. x86-64 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 + <http://www.gnu.org/licenses/>. */ + +/* The accept4 syscall was added for x86-64 in 2.6.28. */ +#define __ASSUME_ACCEPT4_SYSCALL 1 + +/* The recvmmsg syscall was added for x86-64 in 2.6.33. */ +#if __LINUX_KERNEL_VERSION >= 0x020621 +# define __ASSUME_RECVMMSG_SYSCALL 1 +#endif + +/* The sendmmsg syscall was added for x86-64 in 3.0. */ +#if __LINUX_KERNEL_VERSION >= 0x030000 +# define __ASSUME_SENDMMSG_SYSCALL 1 +#endif + +/* getcpu is a syscall for x86-64 since 3.1. */ +#if __LINUX_KERNEL_VERSION >= 0x030100 +# define __ASSUME_GETCPU_SYSCALL 1 +#endif + +#include_next <kernel-features.h> |