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Message-Id: <a9da8d056d46c33d2bde17f4d38b0f106a3b2d69.1410502415.git.gxt@mprc.pku.edu.cn>
Date: Fri, 12 Sep 2014 14:41:44 +0800
From: gxt@...c.pku.edu.cn
To: linux-kernel@...r.kernel.org
Cc: gxt@....edu.cn, linux@...ck-us.net, gang.chen.5i5j@...il.com,
Guan Xuetao <gxt@...c.pku.edu.cn>, Qin Rui <qinrui@....edu.cn>
Subject: [PATCH 2/4] unicore32-oldabi: add stat.h support for UNICORE32_OLDABI
From: Guan Xuetao <gxt@...c.pku.edu.cn>
Remove generated code in arch/unicore32/include/asm/Kbuild, and
restore asm/stat.h for UNICORE32_OLDABI.
Signed-off-by: Guan Xuetao <gxt@...c.pku.edu.cn>
Signed-off-by: Qin Rui <qinrui@....edu.cn>
---
arch/unicore32/include/asm/Kbuild | 1 -
arch/unicore32/include/uapi/asm/stat-oldabi.h | 71 +++++++++++++++++++++++++++
arch/unicore32/include/uapi/asm/stat.h | 19 +++++++
3 files changed, 90 insertions(+), 1 deletion(-)
create mode 100644 arch/unicore32/include/uapi/asm/stat-oldabi.h
create mode 100644 arch/unicore32/include/uapi/asm/stat.h
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild
index 1e5fb87..78cf393 100644
--- a/arch/unicore32/include/asm/Kbuild
+++ b/arch/unicore32/include/asm/Kbuild
@@ -49,7 +49,6 @@ generic-y += signal.h
generic-y += sizes.h
generic-y += socket.h
generic-y += sockios.h
-generic-y += stat.h
generic-y += statfs.h
generic-y += swab.h
generic-y += syscalls.h
diff --git a/arch/unicore32/include/uapi/asm/stat-oldabi.h b/arch/unicore32/include/uapi/asm/stat-oldabi.h
new file mode 100644
index 0000000..d36ce13
--- /dev/null
+++ b/arch/unicore32/include/uapi/asm/stat-oldabi.h
@@ -0,0 +1,71 @@
+/*
+ * Code specific to UniCore32 ISA
+ *
+ * Copyright (C) 2014 GUAN Xuetao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __UNICORE32_ASM_STAT_OLDABI_H__
+#define __UNICORE32_ASM_STAT_OLDABI_H__
+
+#define STAT_HAVE_NSEC 1
+
+struct stat {
+ unsigned long st_dev; /* Device. */
+ unsigned long st_ino; /* File serial number. */
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* User ID of the file's owner. */
+ unsigned int st_gid; /* Group ID of the file's group. */
+ unsigned long st_rdev; /* Device number, if device. */
+ unsigned long __pad1;
+ long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ int __pad2;
+ long st_blocks; /* Number 512-byte blocks allocated. */
+ int st_atime; /* Time of last access. */
+ unsigned int st_atime_nsec;
+ int st_mtime; /* Time of last modification. */
+ unsigned int st_mtime_nsec;
+ int st_ctime; /* Time of last status change. */
+ unsigned int st_ctime_nsec;
+ unsigned int __unused4;
+ unsigned int __unused5;
+};
+
+/*
+ * This matches struct stat64 in glibc2.1, hence the absolutely
+ * insane amounts of padding around dev_t's.
+ * Note: The kernel zero's the padded region because glibc might read them
+ * in the hope that the kernel has stretched to using larger sizes.
+ */
+#define STAT64_HAS_BROKEN_ST_INO
+
+struct stat64 {
+ unsigned long long st_dev; /* Device. */
+ unsigned char __pad0[4];
+ unsigned long __st_ino;
+ unsigned int st_mode; /* File mode. */
+ unsigned int st_nlink; /* Link count. */
+ unsigned int st_uid; /* UID of the file's owner. */
+ unsigned int st_gid; /* GID of the file's group. */
+ unsigned long long st_rdev; /* Device number, if device. */
+
+ unsigned char __pad3[4];
+
+ long long st_size; /* Size of file, in bytes. */
+ int st_blksize; /* Optimal block size for I/O. */
+ long long st_blocks; /* Number 512-byte blocks allocated. */
+ int st_atime; /* Time of last access. */
+ unsigned int st_atime_nsec;
+ int st_mtime; /* Time of last modification. */
+ unsigned int st_mtime_nsec;
+ int st_ctime; /* Time of last status change. */
+ unsigned int st_ctime_nsec;
+
+ unsigned long long st_ino;
+};
+
+#endif /* __UNICORE32_ASM_STAT_OLDABI_H__ */
diff --git a/arch/unicore32/include/uapi/asm/stat.h b/arch/unicore32/include/uapi/asm/stat.h
new file mode 100644
index 0000000..2cff377d
--- /dev/null
+++ b/arch/unicore32/include/uapi/asm/stat.h
@@ -0,0 +1,19 @@
+/*
+ * Code specific to UniCore32 ISA
+ *
+ * Copyright (C) 2014 GUAN Xuetao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __UNICORE32_ASM_STAT_H__
+#define __UNICORE32_ASM_STAT_H__
+
+#ifndef CONFIG_UNICORE32_OLDABI
+#include <asm-generic/stat.h>
+#else
+#include <asm/stat-oldabi.h>
+#endif /* CONFIG_UNICORE32_OLDABI */
+
+#endif /* __UNICORE32_ASM_STAT_H__ */
--
2.0.0.GIT
--
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