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kernel/linux-rt-4.4.41/arch/parisc/include/asm/compat.h 6.33 KB
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  #ifndef _ASM_PARISC_COMPAT_H
  #define _ASM_PARISC_COMPAT_H
  /*
   * Architecture specific compatibility types
   */
  #include <linux/types.h>
  #include <linux/sched.h>
  #include <linux/thread_info.h>
  
  #define COMPAT_USER_HZ 		100
  #define COMPAT_UTS_MACHINE	"parisc\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_pid_t;
  typedef u32	__compat_uid_t;
  typedef u32	__compat_gid_t;
  typedef u32	__compat_uid32_t;
  typedef u32	__compat_gid32_t;
  typedef u16	compat_mode_t;
  typedef u32	compat_ino_t;
  typedef u32	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 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;
  typedef u32	compat_uptr_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;	/* dev_t is 32 bits on parisc */
  	compat_ino_t		st_ino;	/* 32 bits */
  	compat_mode_t		st_mode;	/* 16 bits */
  	compat_nlink_t  	st_nlink;	/* 16 bits */
  	u16			st_reserved1;	/* old st_uid */
  	u16			st_reserved2;	/* old st_gid */
  	compat_dev_t		st_rdev;
  	compat_off_t		st_size;
  	compat_time_t		st_atime;
  	u32			st_atime_nsec;
  	compat_time_t		st_mtime;
  	u32			st_mtime_nsec;
  	compat_time_t		st_ctime;
  	u32			st_ctime_nsec;
  	s32			st_blksize;
  	s32			st_blocks;
  	u32			__unused1;	/* ACL stuff */
  	compat_dev_t		__unused2;	/* network */
  	compat_ino_t		__unused3;	/* network */
  	u32			__unused4;	/* cnodes */
  	u16			__unused5;	/* netsite */
  	short			st_fstype;
  	compat_dev_t		st_realdev;
  	u16			st_basemode;
  	u16			st_spareshort;
  	__compat_uid32_t	st_uid;
  	__compat_gid32_t	st_gid;
  	u32			st_spare4[3];
  };
  
  struct compat_flock {
  	short			l_type;
  	short			l_whence;
  	compat_off_t		l_start;
  	compat_off_t		l_len;
  	compat_pid_t		l_pid;
  };
  
  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 {
  	s32		f_type;
  	s32		f_bsize;
  	s32		f_blocks;
  	s32		f_bfree;
  	s32		f_bavail;
  	s32		f_files;
  	s32		f_ffree;
  	__kernel_fsid_t	f_fsid;
  	s32		f_namelen;
  	s32		f_frsize;
  	s32		f_flags;
  	s32		f_spare[4];
  };
  
  struct compat_sigcontext {
  	compat_int_t sc_flags;
  	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
  	u64 sc_fr[32];
  	compat_int_t sc_iasq[2];
  	compat_int_t sc_iaoq[2];
  	compat_int_t sc_sar; /* cr11 */
  };
  
  #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;
  
  typedef union compat_sigval {
  	compat_int_t	sival_int;
  	compat_uptr_t	sival_ptr;
  } compat_sigval_t;
  
  typedef struct compat_siginfo {
  	int si_signo;
  	int si_errno;
  	int si_code;
  
  	union {
  		int _pad[128/sizeof(int) - 3];
  
  		/* kill() */
  		struct {
  			unsigned int _pid;      /* sender's pid */
  			unsigned int _uid;      /* sender's uid */
  		} _kill;
  
  		/* POSIX.1b timers */
  		struct {
  			compat_timer_t _tid;            /* timer id */
  			int _overrun;           /* overrun count */
  			char _pad[sizeof(unsigned int) - sizeof(int)];
  			compat_sigval_t _sigval;        /* same as below */
  			int _sys_private;       /* not to be passed to user */
  		} _timer;
  
  		/* POSIX.1b signals */
  		struct {
  			unsigned int _pid;      /* sender's pid */
  			unsigned int _uid;      /* sender's uid */
  			compat_sigval_t _sigval;
  		} _rt;
  
  		/* SIGCHLD */
  		struct {
  			unsigned int _pid;      /* which child */
  			unsigned int _uid;      /* sender's uid */
  			int _status;            /* exit code */
  			compat_clock_t _utime;
  			compat_clock_t _stime;
  		} _sigchld;
  
  		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
  		struct {
  			unsigned int _addr;     /* faulting insn/memory ref. */
  		} _sigfault;
  
  		/* SIGPOLL */
  		struct {
  			int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
  			int _fd;
  		} _sigpoll;
  	} _sifields;
  } compat_siginfo_t;
  
  #define COMPAT_OFF_T_MAX	0x7fffffff
  #define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL
  
  struct compat_ipc64_perm {
  	compat_key_t key;
  	__compat_uid_t uid;
  	__compat_gid_t gid;
  	__compat_uid_t cuid;
  	__compat_gid_t cgid;
  	unsigned short int __pad1;
  	compat_mode_t mode;
  	unsigned short int __pad2;
  	unsigned short int seq;
  	unsigned int __pad3;
  	unsigned long __unused1;	/* yes they really are 64bit pads */
  	unsigned long __unused2;
  };
  
  struct compat_semid64_ds {
  	struct compat_ipc64_perm sem_perm;
  	unsigned int __unused1;
  	compat_time_t sem_otime;
  	unsigned int __unused2;
  	compat_time_t sem_ctime;
  	compat_ulong_t sem_nsems;
  	compat_ulong_t __unused3;
  	compat_ulong_t __unused4;
  };
  
  struct compat_msqid64_ds {
  	struct compat_ipc64_perm msg_perm;
  	unsigned int __unused1;
  	compat_time_t msg_stime;
  	unsigned int __unused2;
  	compat_time_t msg_rtime;
  	unsigned int __unused3;
  	compat_time_t msg_ctime;
  	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;
  	unsigned int __unused1;
  	compat_time_t shm_atime;
  	unsigned int __unused2;
  	compat_time_t shm_dtime;
  	unsigned int __unused3;
  	compat_time_t shm_ctime;
  	unsigned int __unused4;
  	compat_size_t shm_segsz;
  	compat_pid_t shm_cpid;
  	compat_pid_t shm_lpid;
  	compat_ulong_t shm_nattch;
  	compat_ulong_t __unused5;
  	compat_ulong_t __unused6;
  };
  
  /*
   * 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.
   */
  
  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 = &current->thread.regs;
  	return (void __user *)regs->gr[30];
  }
  
  static inline int __is_compat_task(struct task_struct *t)
  {
  	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
  }
  
  static inline int is_compat_task(void)
  {
  	return __is_compat_task(current);
  }
  
  #endif /* _ASM_PARISC_COMPAT_H */