diff options
Diffstat (limited to 'arch/sparc/include/asm/compat.h')
| -rw-r--r-- | arch/sparc/include/asm/compat.h | 243 | 
1 files changed, 243 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h new file mode 100644 index 00000000000..f260b58f5ce --- /dev/null +++ b/arch/sparc/include/asm/compat.h @@ -0,0 +1,243 @@ +#ifndef _ASM_SPARC64_COMPAT_H +#define _ASM_SPARC64_COMPAT_H +/* + * Architecture specific compatibility types + */ +#include <linux/types.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_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 s16		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_key_t; +typedef s32		compat_timer_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; +	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; +	compat_off_t	st_size; +	compat_time_t	st_atime; +	compat_ulong_t	st_atime_nsec; +	compat_time_t	st_mtime; +	compat_ulong_t	st_mtime_nsec; +	compat_time_t	st_ctime; +	compat_ulong_t	st_ctime_nsec; +	compat_off_t	st_blksize; +	compat_off_t	st_blocks; +	u32		__unused4[2]; +}; + +struct compat_stat64 { +	unsigned long long	st_dev; + +	unsigned long long	st_ino; + +	unsigned int	st_mode; +	unsigned int	st_nlink; + +	unsigned int	st_uid; +	unsigned int	st_gid; + +	unsigned long long	st_rdev; + +	unsigned char	__pad3[8]; + +	long long	st_size; +	unsigned int	st_blksize; + +	unsigned char	__pad4[8]; +	unsigned int	st_blocks; + +	unsigned int	st_atime; +	unsigned int	st_atime_nsec; + +	unsigned int	st_mtime; +	unsigned int	st_mtime_nsec; + +	unsigned int	st_ctime; +	unsigned int	st_ctime_nsec; + +	unsigned int	__unused4; +	unsigned int	__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; +	short		__unused; +}; + +#define F_GETLK64	12 +#define F_SETLK64	13 +#define F_SETLKW64	14 + +struct compat_flock64 { +	short		l_type; +	short		l_whence; +	compat_loff_t	l_start; +	compat_loff_t	l_len; +	compat_pid_t	l_pid; +	short		__unused; +}; + +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_INFINITY 0x7fffffff + +typedef u32		compat_old_sigset_t; + +#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 + +/* + * 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 *compat_alloc_user_space(long len) +{ +	struct pt_regs *regs = current_thread_info()->kregs; +	unsigned long usp = regs->u_regs[UREG_I6]; + +	if (!(test_thread_flag(TIF_32BIT))) +		usp += STACK_BIAS; +	else +		usp &= 0xffffffffUL; + +	usp -= len; +	usp &= ~0x7UL; + +	return (void __user *) usp; +} + +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 __pad1; +	compat_mode_t mode; +	unsigned short __pad2; +	unsigned short seq; +	unsigned long __unused1;	/* yes they really are 64bit pads */ +	unsigned long __unused2; +}; + +struct compat_semid64_ds { +	struct compat_ipc64_perm sem_perm; +	unsigned int	__pad1; +	compat_time_t	sem_otime; +	unsigned int	__pad2; +	compat_time_t	sem_ctime; +	u32		sem_nsems; +	u32		__unused1; +	u32		__unused2; +}; + +struct compat_msqid64_ds { +	struct compat_ipc64_perm msg_perm; +	unsigned int	__pad1; +	compat_time_t	msg_stime; +	unsigned int	__pad2; +	compat_time_t	msg_rtime; +	unsigned int	__pad3; +	compat_time_t	msg_ctime; +	unsigned int	msg_cbytes; +	unsigned int	msg_qnum; +	unsigned int	msg_qbytes; +	compat_pid_t	msg_lspid; +	compat_pid_t	msg_lrpid; +	unsigned int	__unused1; +	unsigned int	__unused2; +}; + +struct compat_shmid64_ds { +	struct compat_ipc64_perm shm_perm; +	unsigned int	__pad1; +	compat_time_t	shm_atime; +	unsigned int	__pad2; +	compat_time_t	shm_dtime; +	unsigned int	__pad3; +	compat_time_t	shm_ctime; +	compat_size_t	shm_segsz; +	compat_pid_t	shm_cpid; +	compat_pid_t	shm_lpid; +	unsigned int	shm_nattch; +	unsigned int	__unused1; +	unsigned int	__unused2; +}; + +#endif /* _ASM_SPARC64_COMPAT_H */  |