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| author | Joseph Myers <joseph@codesourcery.com> | 2014-07-17 17:49:45 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2014-07-17 17:49:45 +0000 |
| commit | 5be44ea623bf5ccfb06b8ea4f6b1fabdf6021b93 (patch) | |
| tree | ef93cc275fb4993d554b04d017d97bde098e6b35 /sysdeps/unix/sysv/linux/x86_64/kernel-features.h | |
| parent | d95ffd4cfd1c277779ea960ed851ee667f1f8e96 (diff) | |
| download | glibc-5be44ea623bf5ccfb06b8ea4f6b1fabdf6021b93.tar.gz glibc-5be44ea623bf5ccfb06b8ea4f6b1fabdf6021b93.tar.xz glibc-5be44ea623bf5ccfb06b8ea4f6b1fabdf6021b93.zip | |
[PATCH 1/6] Split x86_64 out of main Linux kernel-features.h.
This patch splits x86_64 out of the main Linux kernel-features.h. Tested x86_64 that there are no changes to disassembly of installed shared libraries. * 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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/kernel-features.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/kernel-features.h | 38 |
1 files changed, 38 insertions, 0 deletions
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> |