[net-next-2.6.git] / arch / ia64 / include / asm / compat.h

#ifndef _ASM_IA64_COMPAT_H
#define _ASM_IA64_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/types.h>

#define COMPAT_USER_HZ		100
#define COMPAT_UTS_MACHINE	"i686\0\0\0"

typedef u32		compat_size_t;
typedef s32		compat_ssize_t;
typedef s32		compat_time_t;
typedef s32		compat_clock_t;
typedef s32		compat_key_t;
typedef s32		compat_pid_t;
typedef u16		__compat_uid_t;
typedef u16		__compat_gid_t;
typedef u32		__compat_uid32_t;
typedef u32		__compat_gid32_t;
typedef u16		compat_mode_t;
typedef u32		compat_ino_t;
typedef u16		compat_dev_t;
typedef s32		compat_off_t;
typedef s64		compat_loff_t;
typedef u16		compat_nlink_t;
typedef u16		compat_ipc_pid_t;
typedef s32		compat_daddr_t;
typedef u32		compat_caddr_t;
typedef __kernel_fsid_t	compat_fsid_t;
typedef s32		compat_timer_t;

typedef s32		compat_int_t;
typedef s32		compat_long_t;
typedef s64 __attribute__((aligned(4))) compat_s64;
typedef u32		compat_uint_t;
typedef u32		compat_ulong_t;
typedef u64 __attribute__((aligned(4))) compat_u64;

struct compat_timespec {
	compat_time_t	tv_sec;
	s32		tv_nsec;
};

struct compat_timeval {
	compat_time_t	tv_sec;
	s32		tv_usec;
};

struct compat_stat {
	compat_dev_t	st_dev;
	u16		__pad1;
	compat_ino_t	st_ino;
	compat_mode_t	st_mode;
	compat_nlink_t	st_nlink;
	__compat_uid_t	st_uid;
	__compat_gid_t	st_gid;
	compat_dev_t	st_rdev;
	u16		__pad2;
	u32		st_size;
	u32		st_blksize;
	u32		st_blocks;
	u32		st_atime;
	u32		st_atime_nsec;
	u32		st_mtime;
	u32		st_mtime_nsec;
	u32		st_ctime;
	u32		st_ctime_nsec;
	u32		__unused4;
	u32		__unused5;
};

struct compat_flock {
	short		l_type;
	short		l_whence;
	compat_off_t	l_start;
	compat_off_t	l_len;
	compat_pid_t	l_pid;
};

#define F_GETLK64	12
#define F_SETLK64	13
#define F_SETLKW64	14

/*
 * IA32 uses 4 byte alignment for 64 bit quantities,
 * so we need to pack this structure.
 */
struct compat_flock64 {
	short		l_type;
	short		l_whence;
	compat_loff_t	l_start;
	compat_loff_t	l_len;
	compat_pid_t	l_pid;
} __attribute__((packed));

struct compat_statfs {
	int		f_type;
	int		f_bsize;
	int		f_blocks;
	int		f_bfree;
	int		f_bavail;
	int		f_files;
	int		f_ffree;
	compat_fsid_t	f_fsid;
	int		f_namelen;	/* SunOS ignores this field. */
	int		f_frsize;
	int		f_spare[5];
};

#define COMPAT_RLIM_OLD_INFINITY       0x7fffffff
#define COMPAT_RLIM_INFINITY           0xffffffff

typedef u32		compat_old_sigset_t;	/* at least 32 bits */

#define _COMPAT_NSIG		64
#define _COMPAT_NSIG_BPW	32

typedef u32		compat_sigset_word;

#define COMPAT_OFF_T_MAX	0x7fffffff
#define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL

struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid32_t uid;
	__compat_gid32_t gid;
	__compat_uid32_t cuid;
	__compat_gid32_t cgid;
	unsigned short mode;
	unsigned short __pad1;
	unsigned short seq;
	unsigned short __pad2;
	compat_ulong_t unused1;
	compat_ulong_t unused2;
};

struct compat_semid64_ds {
	struct compat_ipc64_perm sem_perm;
	compat_time_t  sem_otime;
	compat_ulong_t __unused1;
	compat_time_t  sem_ctime;
	compat_ulong_t __unused2;
	compat_ulong_t sem_nsems;
	compat_ulong_t __unused3;
	compat_ulong_t __unused4;
};

struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
	compat_time_t  msg_stime;
	compat_ulong_t __unused1;
	compat_time_t  msg_rtime;
	compat_ulong_t __unused2;
	compat_time_t  msg_ctime;
	compat_ulong_t __unused3;
	compat_ulong_t msg_cbytes;
	compat_ulong_t msg_qnum;
	compat_ulong_t msg_qbytes;
	compat_pid_t   msg_lspid;
	compat_pid_t   msg_lrpid;
	compat_ulong_t __unused4;
	compat_ulong_t __unused5;
};

struct compat_shmid64_ds {
	struct compat_ipc64_perm shm_perm;
	compat_size_t  shm_segsz;
	compat_time_t  shm_atime;
	compat_ulong_t __unused1;
	compat_time_t  shm_dtime;
	compat_ulong_t __unused2;
	compat_time_t  shm_ctime;
	compat_ulong_t __unused3;
	compat_pid_t   shm_cpid;
	compat_pid_t   shm_lpid;
	compat_ulong_t shm_nattch;
	compat_ulong_t __unused4;
	compat_ulong_t __unused5;
};

/*
 * A pointer passed in from user mode. This should not be used for syscall parameters,
 * just declare them as pointers because the syscall entry code will have appropriately
 * converted them already.
 */
typedef	u32		compat_uptr_t;

static inline void __user *
compat_ptr (compat_uptr_t uptr)
{
	return (void __user *) (unsigned long) uptr;
}

static inline compat_uptr_t
ptr_to_compat(void __user *uptr)
{
	return (u32)(unsigned long)uptr;
}

static __inline__ void __user *
arch_compat_alloc_user_space (long len)
{
	struct pt_regs *regs = task_pt_regs(current);
	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
}

#endif /* _ASM_IA64_COMPAT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_IA64_COMPAT_H
	2	#define _ASM_IA64_COMPAT_H
	3	/*
	4	* Architecture specific compatibility types
	5	*/
	6	#include <linux/types.h>
	7
e28cbf22 CH	8	#define COMPAT_USER_HZ 100
e28cbf22 CH	9	#define COMPAT_UTS_MACHINE "i686\0\0\0"
1da177e4 LT	10
	11	typedef u32 compat_size_t;
	12	typedef s32 compat_ssize_t;
	13	typedef s32 compat_time_t;
	14	typedef s32 compat_clock_t;
	15	typedef s32 compat_key_t;
	16	typedef s32 compat_pid_t;
202e5979 SR	17	typedef u16 __compat_uid_t;
	18	typedef u16 __compat_gid_t;
	19	typedef u32 __compat_uid32_t;
	20	typedef u32 __compat_gid32_t;
1da177e4 LT	21	typedef u16 compat_mode_t;
	22	typedef u32 compat_ino_t;
	23	typedef u16 compat_dev_t;
	24	typedef s32 compat_off_t;
	25	typedef s64 compat_loff_t;
	26	typedef u16 compat_nlink_t;
	27	typedef u16 compat_ipc_pid_t;
	28	typedef s32 compat_daddr_t;
	29	typedef u32 compat_caddr_t;
	30	typedef __kernel_fsid_t compat_fsid_t;
0d77e5a2	31	typedef s32 compat_timer_t;
1da177e4 LT	32
	33	typedef s32 compat_int_t;
	34	typedef s32 compat_long_t;
4b777587	35	typedef s64 __attribute__((aligned(4))) compat_s64;
1da177e4 LT	36	typedef u32 compat_uint_t;
1da177e4 LT	37	typedef u32 compat_ulong_t;
4b777587	38	typedef u64 __attribute__((aligned(4))) compat_u64;
1da177e4 LT	39
	40	struct compat_timespec {
	41	compat_time_t tv_sec;
	42	s32 tv_nsec;
	43	};
	44
	45	struct compat_timeval {
	46	compat_time_t tv_sec;
	47	s32 tv_usec;
	48	};
	49
	50	struct compat_stat {
	51	compat_dev_t st_dev;
	52	u16 __pad1;
	53	compat_ino_t st_ino;
	54	compat_mode_t st_mode;
	55	compat_nlink_t st_nlink;
202e5979 SR	56	__compat_uid_t st_uid;
202e5979 SR	57	__compat_gid_t st_gid;
1da177e4 LT	58	compat_dev_t st_rdev;
	59	u16 __pad2;
	60	u32 st_size;
	61	u32 st_blksize;
	62	u32 st_blocks;
	63	u32 st_atime;
	64	u32 st_atime_nsec;
	65	u32 st_mtime;
	66	u32 st_mtime_nsec;
	67	u32 st_ctime;
	68	u32 st_ctime_nsec;
	69	u32 __unused4;
	70	u32 __unused5;
	71	};
	72
	73	struct compat_flock {
	74	short l_type;
	75	short l_whence;
	76	compat_off_t l_start;
	77	compat_off_t l_len;
	78	compat_pid_t l_pid;
	79	};
	80
	81	#define F_GETLK64 12
	82	#define F_SETLK64 13
	83	#define F_SETLKW64 14
	84
	85	/*
	86	* IA32 uses 4 byte alignment for 64 bit quantities,
	87	* so we need to pack this structure.
	88	*/
	89	struct compat_flock64 {
	90	short l_type;
	91	short l_whence;
	92	compat_loff_t l_start;
	93	compat_loff_t l_len;
	94	compat_pid_t l_pid;
	95	} __attribute__((packed));
	96
	97	struct compat_statfs {
	98	int f_type;
	99	int f_bsize;
	100	int f_blocks;
	101	int f_bfree;
	102	int f_bavail;
	103	int f_files;
	104	int f_ffree;
	105	compat_fsid_t f_fsid;
	106	int f_namelen; /* SunOS ignores this field. */
	107	int f_frsize;
	108	int f_spare[5];
	109	};
	110
	111	#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
	112	#define COMPAT_RLIM_INFINITY 0xffffffff
	113
	114	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	115
	116	#define _COMPAT_NSIG 64
	117	#define _COMPAT_NSIG_BPW 32
	118
	119	typedef u32 compat_sigset_word;
	120
	121	#define COMPAT_OFF_T_MAX 0x7fffffff
122	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
123
124	struct compat_ipc64_perm {
125	compat_key_t key;
202e5979 SR	126	__compat_uid32_t uid;
	127	__compat_gid32_t gid;
	128	__compat_uid32_t cuid;
	129	__compat_gid32_t cgid;
1da177e4 LT	130	unsigned short mode;
	131	unsigned short __pad1;
	132	unsigned short seq;
	133	unsigned short __pad2;
	134	compat_ulong_t unused1;
	135	compat_ulong_t unused2;
	136	};
	137
	138	struct compat_semid64_ds {
	139	struct compat_ipc64_perm sem_perm;
	140	compat_time_t sem_otime;
	141	compat_ulong_t __unused1;
	142	compat_time_t sem_ctime;
	143	compat_ulong_t __unused2;
	144	compat_ulong_t sem_nsems;
	145	compat_ulong_t __unused3;
	146	compat_ulong_t __unused4;
	147	};
	148
	149	struct compat_msqid64_ds {
	150	struct compat_ipc64_perm msg_perm;
	151	compat_time_t msg_stime;
	152	compat_ulong_t __unused1;
	153	compat_time_t msg_rtime;
	154	compat_ulong_t __unused2;
	155	compat_time_t msg_ctime;
	156	compat_ulong_t __unused3;
	157	compat_ulong_t msg_cbytes;
	158	compat_ulong_t msg_qnum;
	159	compat_ulong_t msg_qbytes;
	160	compat_pid_t msg_lspid;
	161	compat_pid_t msg_lrpid;
	162	compat_ulong_t __unused4;
	163	compat_ulong_t __unused5;
	164	};
	165
	166	struct compat_shmid64_ds {
	167	struct compat_ipc64_perm shm_perm;
	168	compat_size_t shm_segsz;
	169	compat_time_t shm_atime;
	170	compat_ulong_t __unused1;
	171	compat_time_t shm_dtime;
	172	compat_ulong_t __unused2;
	173	compat_time_t shm_ctime;
	174	compat_ulong_t __unused3;
	175	compat_pid_t shm_cpid;
	176	compat_pid_t shm_lpid;
	177	compat_ulong_t shm_nattch;
	178	compat_ulong_t __unused4;
	179	compat_ulong_t __unused5;
	180	};
	181
	182	/*
	183	* A pointer passed in from user mode. This should not be used for syscall parameters,
	184	* just declare them as pointers because the syscall entry code will have appropriately
8b3de0df	185	* converted them already.
1da177e4 LT	186	*/
	187	typedef u32 compat_uptr_t;
	188
	189	static inline void __user *
	190	compat_ptr (compat_uptr_t uptr)
	191	{
	192	return (void __user *) (unsigned long) uptr;
	193	}
	194
66e863ac IM	195	static inline compat_uptr_t
	196	ptr_to_compat(void __user *uptr)
	197	{
	198	return (u32)(unsigned long)uptr;
	199	}
	200
1da177e4	201	static __inline__ void __user *
c41d68a5	202	arch_compat_alloc_user_space (long len)
1da177e4	203	{
6450578f	204	struct pt_regs *regs = task_pt_regs(current);
1da177e4 LT	205	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
	206	}
	207
	208	#endif /* _ASM_IA64_COMPAT_H */