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authorJoseph Myers <joseph@codesourcery.com>2014-07-17 17:51:35 +0000
committerJoseph Myers <joseph@codesourcery.com>2014-07-17 17:51:52 +0000
commit083b1f7c120e3e6219d48844892f8270088c1a2d (patch)
treee1dc9ca926c0f804c063edd2b0aca5f46d3877fa /sysdeps/unix/sysv/linux/i386/kernel-features.h
parent5be44ea623bf5ccfb06b8ea4f6b1fabdf6021b93 (diff)
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[PATCH 2/6] Split i386 out of main Linux kernel-features.h.
This patch splits i386 out of the main Linux kernel-features.h.

Tested x86 that there are no changes to disassembly of installed
shared libraries.

	* sysdeps/unix/sysv/linux/i386/kernel-features.h: New file.
	* sysdeps/unix/sysv/linux/kernel-features.h [__i386__]
	(__ASSUME_SOCKETCALL): Do not define.
	[__LINUX_KERNEL_VERSION >= 0x020621 && __i386__]
	(__ASSUME_RECVMMSG_SYSCALL): Likewise.
	[__i386__] (__ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.
	[__LINUX_KERNEL_VERSION >= 0x030000 && __i386__]
	(__ASSUME_SENDMMSG_SYSCALL): Likewise.
	[__i386__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/kernel-features.h')
-rw-r--r--sysdeps/unix/sysv/linux/i386/kernel-features.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
new file mode 100644
index 0000000000..3b17ed87c8
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
@@ -0,0 +1,35 @@
+/* Set flags signalling availability of kernel features based on given
+   kernel version number.  i386 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/>.  */
+
+/* i386 uses socketcall.  */
+#define __ASSUME_SOCKETCALL		1
+
+/* The recvmmsg syscall was added for i386 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 i386 in 3.0.  */
+#if __LINUX_KERNEL_VERSION >= 0x030000
+# define __ASSUME_SENDMMSG_SYSCALL	1
+#endif
+#define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL	1
+
+#include_next <kernel-features.h>