#ifndef _ASM_COMPAT_H #define _ASM_COMPAT_H /* * Architecture specific compatibility types */ #include <linux/types.h> #include <asm/page.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_int_t; typedef s32 compat_long_t; typedef u32 compat_uint_t; typedef u32 compat_ulong_t; 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 comverted them already. */ typedef u32 compat_uptr_t; static inline void __user *compat_ptr(compat_uptr_t uptr) { return (void __user *)(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); } #endif /* _ASM_COMPAT_H */