[PATCH 5/6] Split sh out of main Linux kernel-features.h.

This patch splits sh out of the main Linux kernel-features.h.

Not tested.

	* sysdeps/unix/sysv/linux/sh/kernel-features.h: New file.
	* sysdeps/unix/sysv/linux/kernel-features.h [__sh__]
	(__ASSUME_SOCKETCALL): Do not define.
	(__ASSUME_ST_INO_64_BIT): Define unconditionally.
	[__LINUX_KERNEL_VERSION >= 0x020625 && __sh__]
	(__ASSUME_ACCEPT4_SYSCALL): Do not define.
	[__LINUX_KERNEL_VERSION >= 0x020625 && __sh__]
	(__ASSUME_RECVMMSG_SYSCALL): Likewise.
	[__LINUX_KERNEL_VERSION >= 0x030000 && __sh__]
	(__ASSUME_SENDMMSG_SYSCALL): Likewise.
	[__sh__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.

3 files changed, 56 insertions, 25 deletions

diff --git a/ChangeLog b/ChangeLog
index 4175eba5fa..cd10795fdb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,17 @@
 2014-07-17  Joseph Myers  <joseph@codesourcery.com>
 
+	* sysdeps/unix/sysv/linux/sh/kernel-features.h: New file.
+	* sysdeps/unix/sysv/linux/kernel-features.h [__sh__]
+	(__ASSUME_SOCKETCALL): Do not define.
+	(__ASSUME_ST_INO_64_BIT): Define unconditionally.
+	[__LINUX_KERNEL_VERSION >= 0x020625 && __sh__]
+	(__ASSUME_ACCEPT4_SYSCALL): Do not define.
+	[__LINUX_KERNEL_VERSION >= 0x020625 && __sh__]
+	(__ASSUME_RECVMMSG_SYSCALL): Likewise.
+	[__LINUX_KERNEL_VERSION >= 0x030000 && __sh__]
+	(__ASSUME_SENDMMSG_SYSCALL): Likewise.
+	[__sh__] (__ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL): Likewise.
+
 	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h: New file.
 	* sysdeps/unix/sysv/linux/kernel-features.h [__powerpc__]
 	(__ASSUME_SOCKETCALL): Do not define.
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 7fdf55aa6f..e5ca8d1d3f 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -44,7 +44,7 @@
    socket-related operations, via a socket.S file in glibc, instead of
    separate syscalls.  __ASSUME_SOCKETCALL is defined for such
    architectures.  */
-#if defined __s390__ || defined __sh__
+#ifdef __s390__
 # define __ASSUME_SOCKETCALL		1
 #endif
 
@@ -55,9 +55,7 @@
 
 /* The changed st_ino field appeared in 2.4.0-test6.  However, SH is lame,
    and still does not have a 64-bit inode field.  */
-#ifndef __sh__
-# define __ASSUME_ST_INO_64_BIT		1
-#endif
+#define __ASSUME_ST_INO_64_BIT		1
 
 /* The getdents64 syscall was introduced in 2.4.0-test7 (but later for
    MIPS n32).  */
@@ -125,12 +123,6 @@
 # define __ASSUME_ACCEPT4_SOCKETCALL	1
 #endif
 
-/* The accept4 syscall was added for x86_64 and SPARC in 2.6.28, and
-   for PowerPC and SH in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625 && defined __sh__
-# define __ASSUME_ACCEPT4_SYSCALL	1
-#endif
-
 #if defined __ASSUME_ACCEPT4_SOCKETCALL || defined __ASSUME_ACCEPT4_SYSCALL
 # define __ASSUME_ACCEPT4	1
 #endif
@@ -153,12 +145,6 @@
 # define __ASSUME_RECVMMSG_SOCKETCALL	1
 #endif
 
-/* 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 >= 0x020625 && defined __sh__
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
-
 #if defined __ASSUME_RECVMMSG_SOCKETCALL || defined __ASSUME_RECVMMSG_SYSCALL
 # define __ASSUME_RECVMMSG	1
 #endif
@@ -185,15 +171,6 @@
 # define __ASSUME_SENDMMSG_SOCKETCALL	1
 #endif
 
-/* The sendmmsg syscall was added for i386, x86_64, PowerPC, SH and
-   SPARC in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000 && defined __sh__
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
-#ifdef __sh__
-# define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL	1
-#endif
-
 #if defined __ASSUME_SENDMMSG_SOCKETCALL || defined __ASSUME_SENDMMSG_SYSCALL
 # define __ASSUME_SENDMMSG	1
 #endif
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
new file mode 100644
index 0000000000..ae272efaab
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -0,0 +1,42 @@
+/* Set flags signalling availability of kernel features based on given
+   kernel version number.  SH 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/>.  */
+
+/* SH uses socketcall.  */
+#define __ASSUME_SOCKETCALL		1
+
+/* The accept4 syscall was added for SH in 2.6.37.  */
+#if __LINUX_KERNEL_VERSION >= 0x020625
+# define __ASSUME_ACCEPT4_SYSCALL	1
+#endif
+
+/* The recvmmsg syscall was added for SH in 2.6.37.  */
+#if __LINUX_KERNEL_VERSION >= 0x020625
+# define __ASSUME_RECVMMSG_SYSCALL	1
+#endif
+
+/* The sendmmsg syscall was added for SH 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>
+
+/* SH does not have a 64-bit inode field.  */
+#undef __ASSUME_ST_INO_64_BIT