mips64 patch from Atsushi Nemoto:

Adjust for mips64 kernel.

libc/sysdeps/linux/mips/bits/fcntl.h

@@ -62,7 +62,11 @@
 #endif
 
 #ifdef __USE_LARGEFILE64
-# define O_LARGEFILE	0x2000	/* Allow large file opens.  */
+# if __WORDSIZE == 64
+#  define O_LARGEFILE	0
+# else
+#  define O_LARGEFILE	0x2000	/* Allow large file opens.  */
+# endif
 #endif
 
 /* Values for the second argument to `fcntl'.  */
@@ -81,9 +85,15 @@
 # define F_SETLKW	F_SETLKW64 /* Set record locking info (blocking).  */
 #endif
 
-#define F_GETLK64	33	/* Get record locking info.  */
-#define F_SETLK64	34	/* Set record locking info (non-blocking).  */
-#define F_SETLKW64	35	/* Set record locking info (blocking).	*/
+#if __WORDSIZE == 64
+# define F_GETLK64	14	/* Get record locking info.  */
+# define F_SETLK64	6	/* Set record locking info (non-blocking).  */
+# define F_SETLKW64	7	/* Set record locking info (blocking).	*/
+#else
+# define F_GETLK64	33	/* Get record locking info.  */
+# define F_SETLK64	34	/* Set record locking info (non-blocking).  */
+# define F_SETLKW64	35	/* Set record locking info (blocking).	*/
+#endif
 
 #if defined __USE_BSD || defined __USE_UNIX98
 # define F_SETOWN	24	/* Get owner of socket (receiver of SIGIO).  */

libc/sysdeps/linux/mips/bits/kernel_stat.h

@@ -5,9 +5,57 @@
  * struct kernel_stat should look like...  It turns out each arch has a 
  * different opinion on the subject... */
 
-#if __WORDSIZE == 64
-#define kernel_stat kernel_stat64
-#else
+#include <sgidefs.h>
+
+#if _MIPS_SIM == _MIPS_SIM_ABI64
+/* The memory layout is the same as of struct stat64 of the 32-bit kernel.  */
+struct kernel_stat {
+	__kernel_dev_t	st_dev;
+	unsigned int	st_pad1[3];
+	__kernel_ino_t	st_ino;
+	__kernel_mode_t	st_mode;
+	__kernel_nlink_t st_nlink;
+	__kernel_uid_t	st_uid;
+	__kernel_gid_t	st_gid;
+	__kernel_dev_t	st_rdev;
+	unsigned int	st_pad2[3];
+	__kernel_off_t	st_size;
+	unsigned int	st_atime;
+	unsigned int	reserved0;
+	unsigned int	st_mtime;
+	unsigned int	reserved1;
+	unsigned int	st_ctime;
+	unsigned int	reserved2;
+	unsigned int	st_blksize;
+	unsigned int	reserved3;
+	unsigned long	st_blocks;
+};
+#define kernel_stat64 kernel_stat
+#elif _MIPS_SIM == _MIPS_SIM_NABI32
+/* The memory layout is the same as of struct stat64 of the 32-bit kernel.  */
+struct kernel_stat {
+	unsigned int	st_dev;
+	unsigned int	st_pad1[3];
+	unsigned long long	st_ino;
+	__kernel_mode_t	st_mode;
+	__kernel_nlink_t st_nlink;
+	__kernel_uid_t	st_uid;
+	__kernel_gid_t	st_gid;
+	unsigned int	st_rdev;
+	unsigned int	st_pad2[3];
+	unsigned long long	st_size;
+	unsigned int	st_atime;
+	unsigned int	reserved0;
+	unsigned int	st_mtime;
+	unsigned int	reserved1;
+	unsigned int	st_ctime;
+	unsigned int	reserved2;
+	unsigned int	st_blksize;
+	unsigned int	reserved3;
+	unsigned long long	st_blocks;
+};
+#define kernel_stat64 kernel_stat
+#else /* O32 */
 struct kernel_stat {
 	__kernel_dev_t	st_dev;
 	long		st_pad1[3];
@@ -30,7 +78,6 @@ struct kernel_stat {
 	long		st_blocks;
 	long		st_pad4[14];
 };
-#endif
 
 struct kernel_stat64 {
 	unsigned long	st_dev;
@@ -53,6 +100,7 @@ struct kernel_stat64 {
 	unsigned long	st_pad2;
 	long long	st_blocks;
 };
+#endif	/* O32 */
 
 #endif	/*  _BITS_STAT_STRUCT_H */
 

libc/sysdeps/linux/mips/bits/siginfo.h

@@ -265,7 +265,8 @@ enum
 
 /* Structure to transport application-defined values with signals.  */
 # define __SIGEV_MAX_SIZE	64
-# define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# define __SIGEV_HEAD_SIZE	(sizeof(long) + 2*sizeof(int))
+# define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE - __SIGEV_HEAD_SIZE) / sizeof (int))
 
 /* Forward declaration of the `pthread_attr_t' type.  */
 struct __pthread_attr_s;

libc/sysdeps/linux/mips/bits/stat.h

@@ -20,6 +20,8 @@
 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
 #endif
 
+#include <sgidefs.h>
+
 /* Versions of the `struct stat' data structure.  */
 #define _STAT_VER_LINUX_OLD	1
 #define _STAT_VER_KERNEL	1
@@ -33,6 +35,7 @@
 #define _MKNOD_VER		_MKNOD_VER_LINUX /* The bits defined below.  */
 
 
+#if _MIPS_SIM == _MIPS_SIM_ABI32
 /* Structure describing file characteristics.  */
 struct stat
   {
@@ -76,8 +79,38 @@ struct stat
 #endif
     long int st_pad5[14];
   };
+#else /* N32 || N64 */
+/* The memory layout is the same as of struct stat64 of the 32-bit kernel.  */
+struct stat {
+    unsigned int st_dev;
+    int st_pad1[3];
+    __ino_t st_ino;		/* File serial number.		*/
+    __mode_t st_mode;		/* File mode.  */
+    __nlink_t st_nlink;		/* Link count.  */
+    __uid_t st_uid;		/* User ID of the file's owner.	*/
+    __gid_t st_gid;		/* Group ID of the file's group.*/
+    unsigned int st_rdev;	/* Device number, if device.  */
+    int st_pad2[3];
+    __off_t st_size;		/* Size of file, in bytes.  */
+    /*
+     * Actually this should be timestruc_t st_atime, st_mtime and
+     * st_ctime but we don't have it under Linux.
+     */
+    int st_atime;
+    int reserved0;	/* Reserved for st_atime expansion  */
+    int st_mtime;
+    int reserved1;	/* Reserved for st_mtime expansion  */
+    int st_ctime;
+    int reserved2;	/* Reserved for st_ctime expansion  */
+    int st_blksize;	/* Optimal block size for I/O.  */
+    int st_pad3;
+    __blkcnt_t st_blocks;	/* Number of 512-byte blocks allocated.  */
+    int st_pad4[14];
+};
+#endif /* N32 || N64 */
 
 #ifdef __USE_LARGEFILE64
+#if _MIPS_SIM == _MIPS_SIM_ABI32
 struct stat64
   {
     __dev_t st_dev;
@@ -105,6 +138,35 @@ struct stat64
     __blkcnt64_t st_blocks;	/* Number of 512-byte blocks allocated.  */
     long int st_pad4[14];
   };
+#else	/* N32 || N64 */
+/* stat64 of N32/N64 is just an alias of stat syscall. */
+struct stat64 {
+    unsigned int st_dev;
+    int st_pad1[3];
+    __ino_t st_ino;		/* File serial number.		*/
+    __mode_t st_mode;		/* File mode.  */
+    __nlink_t st_nlink;		/* Link count.  */
+    __uid_t st_uid;		/* User ID of the file's owner.	*/
+    __gid_t st_gid;		/* Group ID of the file's group.*/
+    unsigned int st_rdev;	/* Device number, if device.  */
+    int st_pad2[3];
+    __off_t st_size;		/* Size of file, in bytes.  */
+    /*
+     * Actually this should be timestruc_t st_atime, st_mtime and
+     * st_ctime but we don't have it under Linux.
+     */
+    int st_atime;
+    int reserved0;	/* Reserved for st_atime expansion  */
+    int st_mtime;
+    int reserved1;	/* Reserved for st_mtime expansion  */
+    int st_ctime;
+    int reserved2;	/* Reserved for st_ctime expansion  */
+    int st_blksize;	/* Optimal block size for I/O.  */
+    int st_pad3;
+    __blkcnt_t st_blocks;	/* Number of 512-byte blocks allocated.  */
+    int st_pad4[14];
+};
+#endif	/* N32 || N64 */
 #endif
 
 /* Tell code we have these members.  */