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TOMOYO Linux Cross Reference
Linux/arch/parisc/include/asm/compat.h

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  1 #ifndef _ASM_PARISC_COMPAT_H
  2 #define _ASM_PARISC_COMPAT_H
  3 /*
  4  * Architecture specific compatibility types
  5  */
  6 #include <linux/types.h>
  7 #include <linux/sched.h>
  8 #include <linux/thread_info.h>
  9 
 10 #define COMPAT_USER_HZ          100
 11 #define COMPAT_UTS_MACHINE      "parisc\0\0"
 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_pid_t;
 18 typedef u32     __compat_uid_t;
 19 typedef u32     __compat_gid_t;
 20 typedef u32     __compat_uid32_t;
 21 typedef u32     __compat_gid32_t;
 22 typedef u16     compat_mode_t;
 23 typedef u32     compat_ino_t;
 24 typedef u32     compat_dev_t;
 25 typedef s32     compat_off_t;
 26 typedef s64     compat_loff_t;
 27 typedef u16     compat_nlink_t;
 28 typedef u16     compat_ipc_pid_t;
 29 typedef s32     compat_daddr_t;
 30 typedef u32     compat_caddr_t;
 31 typedef s32     compat_key_t;
 32 typedef s32     compat_timer_t;
 33 
 34 typedef s32     compat_int_t;
 35 typedef s32     compat_long_t;
 36 typedef s64     compat_s64;
 37 typedef u32     compat_uint_t;
 38 typedef u32     compat_ulong_t;
 39 typedef u64     compat_u64;
 40 typedef u32     compat_uptr_t;
 41 
 42 struct compat_timespec {
 43         compat_time_t           tv_sec;
 44         s32                     tv_nsec;
 45 };
 46 
 47 struct compat_timeval {
 48         compat_time_t           tv_sec;
 49         s32                     tv_usec;
 50 };
 51 
 52 struct compat_stat {
 53         compat_dev_t            st_dev; /* dev_t is 32 bits on parisc */
 54         compat_ino_t            st_ino; /* 32 bits */
 55         compat_mode_t           st_mode;        /* 16 bits */
 56         compat_nlink_t          st_nlink;       /* 16 bits */
 57         u16                     st_reserved1;   /* old st_uid */
 58         u16                     st_reserved2;   /* old st_gid */
 59         compat_dev_t            st_rdev;
 60         compat_off_t            st_size;
 61         compat_time_t           st_atime;
 62         u32                     st_atime_nsec;
 63         compat_time_t           st_mtime;
 64         u32                     st_mtime_nsec;
 65         compat_time_t           st_ctime;
 66         u32                     st_ctime_nsec;
 67         s32                     st_blksize;
 68         s32                     st_blocks;
 69         u32                     __unused1;      /* ACL stuff */
 70         compat_dev_t            __unused2;      /* network */
 71         compat_ino_t            __unused3;      /* network */
 72         u32                     __unused4;      /* cnodes */
 73         u16                     __unused5;      /* netsite */
 74         short                   st_fstype;
 75         compat_dev_t            st_realdev;
 76         u16                     st_basemode;
 77         u16                     st_spareshort;
 78         __compat_uid32_t        st_uid;
 79         __compat_gid32_t        st_gid;
 80         u32                     st_spare4[3];
 81 };
 82 
 83 struct compat_flock {
 84         short                   l_type;
 85         short                   l_whence;
 86         compat_off_t            l_start;
 87         compat_off_t            l_len;
 88         compat_pid_t            l_pid;
 89 };
 90 
 91 struct compat_flock64 {
 92         short                   l_type;
 93         short                   l_whence;
 94         compat_loff_t           l_start;
 95         compat_loff_t           l_len;
 96         compat_pid_t            l_pid;
 97 };
 98 
 99 struct compat_statfs {
100         s32             f_type;
101         s32             f_bsize;
102         s32             f_blocks;
103         s32             f_bfree;
104         s32             f_bavail;
105         s32             f_files;
106         s32             f_ffree;
107         __kernel_fsid_t f_fsid;
108         s32             f_namelen;
109         s32             f_frsize;
110         s32             f_flags;
111         s32             f_spare[4];
112 };
113 
114 struct compat_sigcontext {
115         compat_int_t sc_flags;
116         compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
117         u64 sc_fr[32];
118         compat_int_t sc_iasq[2];
119         compat_int_t sc_iaoq[2];
120         compat_int_t sc_sar; /* cr11 */
121 };
122 
123 #define COMPAT_RLIM_INFINITY 0xffffffff
124 
125 typedef u32             compat_old_sigset_t;    /* at least 32 bits */
126 
127 #define _COMPAT_NSIG            64
128 #define _COMPAT_NSIG_BPW        32
129 
130 typedef u32             compat_sigset_word;
131 
132 typedef union compat_sigval {
133         compat_int_t    sival_int;
134         compat_uptr_t   sival_ptr;
135 } compat_sigval_t;
136 
137 typedef struct compat_siginfo {
138         int si_signo;
139         int si_errno;
140         int si_code;
141 
142         union {
143                 int _pad[128/sizeof(int) - 3];
144 
145                 /* kill() */
146                 struct {
147                         unsigned int _pid;      /* sender's pid */
148                         unsigned int _uid;      /* sender's uid */
149                 } _kill;
150 
151                 /* POSIX.1b timers */
152                 struct {
153                         compat_timer_t _tid;            /* timer id */
154                         int _overrun;           /* overrun count */
155                         char _pad[sizeof(unsigned int) - sizeof(int)];
156                         compat_sigval_t _sigval;        /* same as below */
157                         int _sys_private;       /* not to be passed to user */
158                 } _timer;
159 
160                 /* POSIX.1b signals */
161                 struct {
162                         unsigned int _pid;      /* sender's pid */
163                         unsigned int _uid;      /* sender's uid */
164                         compat_sigval_t _sigval;
165                 } _rt;
166 
167                 /* SIGCHLD */
168                 struct {
169                         unsigned int _pid;      /* which child */
170                         unsigned int _uid;      /* sender's uid */
171                         int _status;            /* exit code */
172                         compat_clock_t _utime;
173                         compat_clock_t _stime;
174                 } _sigchld;
175 
176                 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
177                 struct {
178                         unsigned int _addr;     /* faulting insn/memory ref. */
179                 } _sigfault;
180 
181                 /* SIGPOLL */
182                 struct {
183                         int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
184                         int _fd;
185                 } _sigpoll;
186         } _sifields;
187 } compat_siginfo_t;
188 
189 #define COMPAT_OFF_T_MAX        0x7fffffff
190 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
191 
192 struct compat_ipc64_perm {
193         compat_key_t key;
194         __compat_uid_t uid;
195         __compat_gid_t gid;
196         __compat_uid_t cuid;
197         __compat_gid_t cgid;
198         unsigned short int __pad1;
199         compat_mode_t mode;
200         unsigned short int __pad2;
201         unsigned short int seq;
202         unsigned int __pad3;
203         unsigned long __unused1;        /* yes they really are 64bit pads */
204         unsigned long __unused2;
205 };
206 
207 struct compat_semid64_ds {
208         struct compat_ipc64_perm sem_perm;
209         unsigned int __unused1;
210         compat_time_t sem_otime;
211         unsigned int __unused2;
212         compat_time_t sem_ctime;
213         compat_ulong_t sem_nsems;
214         compat_ulong_t __unused3;
215         compat_ulong_t __unused4;
216 };
217 
218 struct compat_msqid64_ds {
219         struct compat_ipc64_perm msg_perm;
220         unsigned int __unused1;
221         compat_time_t msg_stime;
222         unsigned int __unused2;
223         compat_time_t msg_rtime;
224         unsigned int __unused3;
225         compat_time_t msg_ctime;
226         compat_ulong_t msg_cbytes;
227         compat_ulong_t msg_qnum;
228         compat_ulong_t msg_qbytes;
229         compat_pid_t msg_lspid;
230         compat_pid_t msg_lrpid;
231         compat_ulong_t __unused4;
232         compat_ulong_t __unused5;
233 };
234 
235 struct compat_shmid64_ds {
236         struct compat_ipc64_perm shm_perm;
237         unsigned int __unused1;
238         compat_time_t shm_atime;
239         unsigned int __unused2;
240         compat_time_t shm_dtime;
241         unsigned int __unused3;
242         compat_time_t shm_ctime;
243         unsigned int __unused4;
244         compat_size_t shm_segsz;
245         compat_pid_t shm_cpid;
246         compat_pid_t shm_lpid;
247         compat_ulong_t shm_nattch;
248         compat_ulong_t __unused5;
249         compat_ulong_t __unused6;
250 };
251 
252 /*
253  * A pointer passed in from user mode. This should not
254  * be used for syscall parameters, just declare them
255  * as pointers because the syscall entry code will have
256  * appropriately converted them already.
257  */
258 
259 static inline void __user *compat_ptr(compat_uptr_t uptr)
260 {
261         return (void __user *)(unsigned long)uptr;
262 }
263 
264 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
265 {
266         return (u32)(unsigned long)uptr;
267 }
268 
269 static __inline__ void __user *arch_compat_alloc_user_space(long len)
270 {
271         struct pt_regs *regs = &current->thread.regs;
272         return (void __user *)regs->gr[30];
273 }
274 
275 static inline int __is_compat_task(struct task_struct *t)
276 {
277         return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
278 }
279 
280 static inline int is_compat_task(void)
281 {
282         return __is_compat_task(current);
283 }
284 
285 #endif /* _ASM_PARISC_COMPAT_H */
286 

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