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#ifndef _ASM_X86_64_COMPAT_H #define _ASM_X86_64_COMPAT_H /* * Architecture specific compatibility types */ #include <linux/types.h> #include <linux/sched.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 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_key_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; 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 /* using 'struct flock64' */ #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 comverted 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 = task_pt_regs(current); return (void __user *)regs->rsp - len; } static inline int is_compat_task(void) { return current_thread_info()->status & TS_COMPAT; } #endif /* _ASM_X86_64_COMPAT_H */