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

#ifndef _ASM_COMPAT_H
#define _ASM_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/thread_info.h>
#include <linux/types.h>
#include <asm/page.h>
#include <asm/ptrace.h>

#define COMPAT_USER_HZ	100

typedef u32		compat_size_t;
typedef s32		compat_ssize_t;
typedef s32		compat_time_t;
typedef s32		compat_clock_t;
typedef s32		compat_suseconds_t;

typedef s32		compat_pid_t;
typedef s32		__compat_uid_t;
typedef s32		__compat_gid_t;
typedef __compat_uid_t	__compat_uid32_t;
typedef __compat_gid_t	__compat_gid32_t;
typedef u32		compat_mode_t;
typedef u32		compat_ino_t;
typedef u32		compat_dev_t;
typedef s32		compat_off_t;
typedef s64		compat_loff_t;
typedef u32		compat_nlink_t;
typedef s32		compat_ipc_pid_t;
typedef s32		compat_daddr_t;
typedef s32		compat_caddr_t;
typedef struct {
	s32	val[2];
} compat_fsid_t;
typedef s32		compat_timer_t;
typedef s32		compat_key_t;

typedef s32		compat_int_t;
typedef s32		compat_long_t;
typedef s64		compat_s64;
typedef u32		compat_uint_t;
typedef u32		compat_ulong_t;
typedef u64		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;
	s32		st_pad1[3];
	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;
	s32		st_pad2[2];
	compat_off_t	st_size;
	s32		st_pad3;
	compat_time_t	st_atime;
	s32		st_atime_nsec;
	compat_time_t	st_mtime;
	s32		st_mtime_nsec;
	compat_time_t	st_ctime;
	s32		st_ctime_nsec;
	s32		st_blksize;
	s32		st_blocks;
	s32		st_pad4[14];
};

struct compat_flock {
	short		l_type;
	short		l_whence;
	compat_off_t	l_start;
	compat_off_t	l_len;
	s32		l_sysid;
	compat_pid_t	l_pid;
	short		__unused;
	s32		pad[4];
};

#define F_GETLK64	33
#define F_SETLK64	34
#define F_SETLKW64	35

struct compat_flock64 {
	short		l_type;
	short		l_whence;
	compat_loff_t	l_start;
	compat_loff_t	l_len;
	compat_pid_t	l_pid;
};

struct compat_statfs {
	int		f_type;
	int		f_bsize;
	int		f_frsize;
	int		f_blocks;
	int		f_bfree;
	int		f_files;
	int		f_ffree;
	int		f_bavail;
	compat_fsid_t	f_fsid;
	int		f_namelen;
	int		f_spare[6];
};

#define COMPAT_RLIM_INFINITY	0x7fffffffUL

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

#define _COMPAT_NSIG		128		/* Don't ask !$@#% ...  */
#define _COMPAT_NSIG_BPW	32

typedef u32		compat_sigset_word;

#define COMPAT_OFF_T_MAX	0x7fffffff
#define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL

/*
 * 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)
{
	/* cast to a __user pointer via "unsigned long" makes sparse happy */
	return (void __user *)(unsigned long)(long)uptr;
}

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

static inline void __user *compat_alloc_user_space(long len)
{
	struct pt_regs *regs = (struct pt_regs *)
		((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;

	return (void __user *) (regs->regs[29] - len);
}

struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid32_t uid;
	__compat_gid32_t gid;
	__compat_uid32_t cuid;
	__compat_gid32_t cgid;
	compat_mode_t mode;
	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_time_t	sem_ctime;
	compat_ulong_t	sem_nsems;
	compat_ulong_t	__unused1;
	compat_ulong_t	__unused2;
};

struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
#ifndef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused1;
#endif
	compat_time_t	msg_stime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused1;
#endif
#ifndef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused2;
#endif
	compat_time_t	msg_rtime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused2;
#endif
#ifndef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused3;
#endif
	compat_time_t	msg_ctime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused3;
#endif
	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_time_t	shm_dtime;
	compat_time_t	shm_ctime;
	compat_pid_t	shm_cpid;
	compat_pid_t	shm_lpid;
	compat_ulong_t	shm_nattch;
	compat_ulong_t	__unused1;
	compat_ulong_t	__unused2;
};

static inline int is_compat_task(void)
{
	return test_thread_flag(TIF_32BIT);
}

#endif /* _ASM_COMPAT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_COMPAT_H
	2	#define _ASM_COMPAT_H
	3	/*
	4	* Architecture specific compatibility types
	5	*/
4302e5d5	6	#include <linux/thread_info.h>
1da177e4 LT	7	#include <linux/types.h>
1da177e4 LT	8	#include <asm/page.h>
b7237825	9	#include <asm/ptrace.h>
1da177e4 LT	10
	11	#define COMPAT_USER_HZ 100
	12
	13	typedef u32 compat_size_t;
	14	typedef s32 compat_ssize_t;
	15	typedef s32 compat_time_t;
	16	typedef s32 compat_clock_t;
	17	typedef s32 compat_suseconds_t;
	18
	19	typedef s32 compat_pid_t;
4ee1303a RB	20	typedef s32 __compat_uid_t;
	21	typedef s32 __compat_gid_t;
	22	typedef __compat_uid_t __compat_uid32_t;
	23	typedef __compat_gid_t __compat_gid32_t;
1da177e4 LT	24	typedef u32 compat_mode_t;
	25	typedef u32 compat_ino_t;
	26	typedef u32 compat_dev_t;
	27	typedef s32 compat_off_t;
	28	typedef s64 compat_loff_t;
	29	typedef u32 compat_nlink_t;
	30	typedef s32 compat_ipc_pid_t;
	31	typedef s32 compat_daddr_t;
	32	typedef s32 compat_caddr_t;
	33	typedef struct {
	34	s32 val[2];
	35	} compat_fsid_t;
0d77e5a2	36	typedef s32 compat_timer_t;
05e43966	37	typedef s32 compat_key_t;
1da177e4 LT	38
	39	typedef s32 compat_int_t;
	40	typedef s32 compat_long_t;
4b777587	41	typedef s64 compat_s64;
1da177e4 LT	42	typedef u32 compat_uint_t;
1da177e4 LT	43	typedef u32 compat_ulong_t;
4b777587	44	typedef u64 compat_u64;
1da177e4 LT	45
	46	struct compat_timespec {
	47	compat_time_t tv_sec;
	48	s32 tv_nsec;
	49	};
	50
	51	struct compat_timeval {
	52	compat_time_t tv_sec;
	53	s32 tv_usec;
	54	};
	55
	56	struct compat_stat {
	57	compat_dev_t st_dev;
	58	s32 st_pad1[3];
	59	compat_ino_t st_ino;
	60	compat_mode_t st_mode;
	61	compat_nlink_t st_nlink;
4ee1303a RB	62	__compat_uid_t st_uid;
4ee1303a RB	63	__compat_gid_t st_gid;
1da177e4 LT	64	compat_dev_t st_rdev;
	65	s32 st_pad2[2];
	66	compat_off_t st_size;
	67	s32 st_pad3;
	68	compat_time_t st_atime;
	69	s32 st_atime_nsec;
	70	compat_time_t st_mtime;
	71	s32 st_mtime_nsec;
	72	compat_time_t st_ctime;
	73	s32 st_ctime_nsec;
	74	s32 st_blksize;
	75	s32 st_blocks;
	76	s32 st_pad4[14];
	77	};
	78
	79	struct compat_flock {
	80	short l_type;
	81	short l_whence;
	82	compat_off_t l_start;
	83	compat_off_t l_len;
	84	s32 l_sysid;
	85	compat_pid_t l_pid;
	86	short __unused;
	87	s32 pad[4];
	88	};
	89
	90	#define F_GETLK64 33
	91	#define F_SETLK64 34
	92	#define F_SETLKW64 35
	93
	94	struct compat_flock64 {
	95	short l_type;
	96	short l_whence;
	97	compat_loff_t l_start;
	98	compat_loff_t l_len;
	99	compat_pid_t l_pid;
	100	};
	101
	102	struct compat_statfs {
	103	int f_type;
	104	int f_bsize;
	105	int f_frsize;
	106	int f_blocks;
	107	int f_bfree;
	108	int f_files;
	109	int f_ffree;
	110	int f_bavail;
	111	compat_fsid_t f_fsid;
	112	int f_namelen;
	113	int f_spare[6];
	114	};
	115
	116	#define COMPAT_RLIM_INFINITY 0x7fffffffUL
	117
	118	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	119
	120	#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */
	121	#define _COMPAT_NSIG_BPW 32
	122
	123	typedef u32 compat_sigset_word;
	124
	125	#define COMPAT_OFF_T_MAX 0x7fffffff
	126	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
	127
128	/*
129	* A pointer passed in from user mode. This should not
130	* be used for syscall parameters, just declare them
131	* as pointers because the syscall entry code will have
8b3de0df	132	* appropriately converted them already.
1da177e4 LT	133	*/
	134	typedef u32 compat_uptr_t;
	135
219ac73a	136	static inline void __user *compat_ptr(compat_uptr_t uptr)
1da177e4	137	{
01bebc66 AN	138	/* cast to a __user pointer via "unsigned long" makes sparse happy */
01bebc66 AN	139	return (void __user *)(unsigned long)(long)uptr;
1da177e4 LT	140	}
1da177e4 LT	141
62ac285f IM	142	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	143	{
	144	return (u32)(unsigned long)uptr;
	145	}
	146
219ac73a	147	static inline void __user *compat_alloc_user_space(long len)
1da177e4 LT	148	{
	149	struct pt_regs regs = (struct pt_regs )
	150	((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
	151
219ac73a	152	return (void __user *) (regs->regs[29] - len);
1da177e4	153	}
1da177e4	154
05e43966 AN	155	struct compat_ipc64_perm {
	156	compat_key_t key;
	157	__compat_uid32_t uid;
	158	__compat_gid32_t gid;
	159	__compat_uid32_t cuid;
	160	__compat_gid32_t cgid;
	161	compat_mode_t mode;
	162	unsigned short seq;
	163	unsigned short __pad2;
	164	compat_ulong_t __unused1;
	165	compat_ulong_t __unused2;
	166	};
	167
	168	struct compat_semid64_ds {
	169	struct compat_ipc64_perm sem_perm;
	170	compat_time_t sem_otime;
	171	compat_time_t sem_ctime;
	172	compat_ulong_t sem_nsems;
	173	compat_ulong_t __unused1;
	174	compat_ulong_t __unused2;
	175	};
	176
	177	struct compat_msqid64_ds {
	178	struct compat_ipc64_perm msg_perm;
	179	#ifndef CONFIG_CPU_LITTLE_ENDIAN
	180	compat_ulong_t __unused1;
	181	#endif
	182	compat_time_t msg_stime;
	183	#ifdef CONFIG_CPU_LITTLE_ENDIAN
	184	compat_ulong_t __unused1;
	185	#endif
	186	#ifndef CONFIG_CPU_LITTLE_ENDIAN
	187	compat_ulong_t __unused2;
	188	#endif
	189	compat_time_t msg_rtime;
	190	#ifdef CONFIG_CPU_LITTLE_ENDIAN
	191	compat_ulong_t __unused2;
	192	#endif
	193	#ifndef CONFIG_CPU_LITTLE_ENDIAN
	194	compat_ulong_t __unused3;
	195	#endif
	196	compat_time_t msg_ctime;
	197	#ifdef CONFIG_CPU_LITTLE_ENDIAN
	198	compat_ulong_t __unused3;
	199	#endif
	200	compat_ulong_t msg_cbytes;
	201	compat_ulong_t msg_qnum;
	202	compat_ulong_t msg_qbytes;
	203	compat_pid_t msg_lspid;
	204	compat_pid_t msg_lrpid;
	205	compat_ulong_t __unused4;
	206	compat_ulong_t __unused5;
	207	};
	208
	209	struct compat_shmid64_ds {
	210	struct compat_ipc64_perm shm_perm;
	211	compat_size_t shm_segsz;
	212	compat_time_t shm_atime;
	213	compat_time_t shm_dtime;
	214	compat_time_t shm_ctime;
	215	compat_pid_t shm_cpid;
	216	compat_pid_t shm_lpid;
	217	compat_ulong_t shm_nattch;
	218	compat_ulong_t __unused1;
219	compat_ulong_t __unused2;
220	};
221
4302e5d5 RB	222	static inline int is_compat_task(void)
	223	{
	224	return test_thread_flag(TIF_32BIT);
	225	}
	226
1da177e4	227	#endif /* _ASM_COMPAT_H */