compat.h revision be84cb43833ee40a42e08f5425d20310f16229c7 
1#ifndef _LINUX_COMPAT_H
2#define _LINUX_COMPAT_H
3/*
4 * These are the type definitions for the architecture specific
5 * syscall compatibility layer.
6 */
7
8#ifdef CONFIG_COMPAT
9
10#include <linux/stat.h>
11#include <linux/param.h>	/* for HZ */
12#include <linux/sem.h>
13#include <linux/socket.h>
14#include <linux/if.h>
15#include <linux/fs.h>
16
17#include <asm/compat.h>
18#include <asm/siginfo.h>
19#include <asm/signal.h>
20
21#define compat_jiffies_to_clock_t(x)	\
22		(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)
23
24typedef __compat_uid32_t	compat_uid_t;
25typedef __compat_gid32_t	compat_gid_t;
26
27struct compat_sel_arg_struct;
28struct rusage;
29
30struct compat_itimerspec {
31	struct compat_timespec it_interval;
32	struct compat_timespec it_value;
33};
34
35struct compat_utimbuf {
36	compat_time_t		actime;
37	compat_time_t		modtime;
38};
39
40struct compat_itimerval {
41	struct compat_timeval	it_interval;
42	struct compat_timeval	it_value;
43};
44
45struct compat_tms {
46	compat_clock_t		tms_utime;
47	compat_clock_t		tms_stime;
48	compat_clock_t		tms_cutime;
49	compat_clock_t		tms_cstime;
50};
51
52struct compat_timex {
53	compat_uint_t modes;
54	compat_long_t offset;
55	compat_long_t freq;
56	compat_long_t maxerror;
57	compat_long_t esterror;
58	compat_int_t status;
59	compat_long_t constant;
60	compat_long_t precision;
61	compat_long_t tolerance;
62	struct compat_timeval time;
63	compat_long_t tick;
64	compat_long_t ppsfreq;
65	compat_long_t jitter;
66	compat_int_t shift;
67	compat_long_t stabil;
68	compat_long_t jitcnt;
69	compat_long_t calcnt;
70	compat_long_t errcnt;
71	compat_long_t stbcnt;
72	compat_int_t tai;
73
74	compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32;
75	compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32;
76	compat_int_t :32; compat_int_t :32; compat_int_t :32;
77};
78
79#define _COMPAT_NSIG_WORDS	(_COMPAT_NSIG / _COMPAT_NSIG_BPW)
80
81typedef struct {
82	compat_sigset_word	sig[_COMPAT_NSIG_WORDS];
83} compat_sigset_t;
84
85extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *);
86extern int put_compat_timespec(const struct timespec *, struct compat_timespec __user *);
87
88struct compat_iovec {
89	compat_uptr_t	iov_base;
90	compat_size_t	iov_len;
91};
92
93struct compat_rlimit {
94	compat_ulong_t	rlim_cur;
95	compat_ulong_t	rlim_max;
96};
97
98struct compat_rusage {
99	struct compat_timeval ru_utime;
100	struct compat_timeval ru_stime;
101	compat_long_t	ru_maxrss;
102	compat_long_t	ru_ixrss;
103	compat_long_t	ru_idrss;
104	compat_long_t	ru_isrss;
105	compat_long_t	ru_minflt;
106	compat_long_t	ru_majflt;
107	compat_long_t	ru_nswap;
108	compat_long_t	ru_inblock;
109	compat_long_t	ru_oublock;
110	compat_long_t	ru_msgsnd;
111	compat_long_t	ru_msgrcv;
112	compat_long_t	ru_nsignals;
113	compat_long_t	ru_nvcsw;
114	compat_long_t	ru_nivcsw;
115};
116
117extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *);
118
119struct compat_siginfo;
120
121extern asmlinkage long compat_sys_waitid(int, compat_pid_t,
122		struct compat_siginfo __user *, int,
123		struct compat_rusage __user *);
124
125struct compat_dirent {
126	u32		d_ino;
127	compat_off_t	d_off;
128	u16		d_reclen;
129	char		d_name[256];
130};
131
132struct compat_ustat {
133	compat_daddr_t		f_tfree;
134	compat_ino_t		f_tinode;
135	char			f_fname[6];
136	char			f_fpack[6];
137};
138
139typedef union compat_sigval {
140	compat_int_t	sival_int;
141	compat_uptr_t	sival_ptr;
142} compat_sigval_t;
143
144#define COMPAT_SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE/sizeof(int)) - 3)
145
146typedef struct compat_sigevent {
147	compat_sigval_t sigev_value;
148	compat_int_t sigev_signo;
149	compat_int_t sigev_notify;
150	union {
151		compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];
152		compat_int_t _tid;
153
154		struct {
155			compat_uptr_t _function;
156			compat_uptr_t _attribute;
157		} _sigev_thread;
158	} _sigev_un;
159} compat_sigevent_t;
160
161struct compat_ifmap {
162	compat_ulong_t mem_start;
163	compat_ulong_t mem_end;
164	unsigned short base_addr;
165	unsigned char irq;
166	unsigned char dma;
167	unsigned char port;
168};
169
170struct compat_if_settings
171{
172	unsigned int type;	/* Type of physical device or protocol */
173	unsigned int size;	/* Size of the data allocated by the caller */
174	compat_uptr_t ifs_ifsu;	/* union of pointers */
175};
176
177struct compat_ifreq {
178	union {
179		char	ifrn_name[IFNAMSIZ];    /* if name, e.g. "en0" */
180	} ifr_ifrn;
181	union {
182		struct	sockaddr ifru_addr;
183		struct	sockaddr ifru_dstaddr;
184		struct	sockaddr ifru_broadaddr;
185		struct	sockaddr ifru_netmask;
186		struct	sockaddr ifru_hwaddr;
187		short	ifru_flags;
188		compat_int_t	ifru_ivalue;
189		compat_int_t	ifru_mtu;
190		struct	compat_ifmap ifru_map;
191		char	ifru_slave[IFNAMSIZ];   /* Just fits the size */
192		char	ifru_newname[IFNAMSIZ];
193		compat_caddr_t	ifru_data;
194		struct	compat_if_settings ifru_settings;
195	} ifr_ifru;
196};
197
198struct compat_ifconf {
199        compat_int_t	ifc_len;                        /* size of buffer       */
200        compat_caddr_t  ifcbuf;
201};
202
203struct compat_robust_list {
204	compat_uptr_t			next;
205};
206
207struct compat_robust_list_head {
208	struct compat_robust_list	list;
209	compat_long_t			futex_offset;
210	compat_uptr_t			list_op_pending;
211};
212
213struct compat_statfs;
214struct compat_statfs64;
215struct compat_old_linux_dirent;
216struct compat_linux_dirent;
217struct linux_dirent64;
218struct compat_msghdr;
219struct compat_mmsghdr;
220struct compat_sysinfo;
221struct compat_sysctl_args;
222struct compat_kexec_segment;
223struct compat_mq_attr;
224
225extern void compat_exit_robust_list(struct task_struct *curr);
226
227asmlinkage long
228compat_sys_set_robust_list(struct compat_robust_list_head __user *head,
229			   compat_size_t len);
230asmlinkage long
231compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr,
232			   compat_size_t __user *len_ptr);
233
234long compat_sys_semctl(int first, int second, int third, void __user *uptr);
235long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);
236long compat_sys_msgrcv(int first, int second, int msgtyp, int third,
237		int version, void __user *uptr);
238long compat_sys_msgctl(int first, int second, void __user *uptr);
239long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,
240		void __user *uptr);
241long compat_sys_shmctl(int first, int second, void __user *uptr);
242long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
243		unsigned nsems, const struct compat_timespec __user *timeout);
244asmlinkage long compat_sys_keyctl(u32 option,
245			      u32 arg2, u32 arg3, u32 arg4, u32 arg5);
246asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32);
247
248asmlinkage ssize_t compat_sys_readv(unsigned long fd,
249		const struct compat_iovec __user *vec, unsigned long vlen);
250asmlinkage ssize_t compat_sys_writev(unsigned long fd,
251		const struct compat_iovec __user *vec, unsigned long vlen);
252asmlinkage ssize_t compat_sys_preadv(unsigned long fd,
253		const struct compat_iovec __user *vec,
254		unsigned long vlen, u32 pos_low, u32 pos_high);
255asmlinkage ssize_t compat_sys_pwritev(unsigned long fd,
256		const struct compat_iovec __user *vec,
257		unsigned long vlen, u32 pos_low, u32 pos_high);
258
259int compat_do_execve(char * filename, compat_uptr_t __user *argv,
260	        compat_uptr_t __user *envp, struct pt_regs * regs);
261
262asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
263		compat_ulong_t __user *outp, compat_ulong_t __user *exp,
264		struct compat_timeval __user *tvp);
265
266asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
267
268asmlinkage long compat_sys_wait4(compat_pid_t pid,
269				 compat_uint_t __user *stat_addr, int options,
270				 struct compat_rusage __user *ru);
271
272#define BITS_PER_COMPAT_LONG    (8*sizeof(compat_long_t))
273
274#define BITS_TO_COMPAT_LONGS(bits) \
275	(((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG)
276
277long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
278		       unsigned long bitmap_size);
279long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
280		       unsigned long bitmap_size);
281int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
282int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
283int get_compat_sigevent(struct sigevent *event,
284		const struct compat_sigevent __user *u_event);
285long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
286				  struct compat_siginfo __user *uinfo);
287
288static inline int compat_timeval_compare(struct compat_timeval *lhs,
289					struct compat_timeval *rhs)
290{
291	if (lhs->tv_sec < rhs->tv_sec)
292		return -1;
293	if (lhs->tv_sec > rhs->tv_sec)
294		return 1;
295	return lhs->tv_usec - rhs->tv_usec;
296}
297
298static inline int compat_timespec_compare(struct compat_timespec *lhs,
299					struct compat_timespec *rhs)
300{
301	if (lhs->tv_sec < rhs->tv_sec)
302		return -1;
303	if (lhs->tv_sec > rhs->tv_sec)
304		return 1;
305	return lhs->tv_nsec - rhs->tv_nsec;
306}
307
308extern int get_compat_itimerspec(struct itimerspec *dst,
309				 const struct compat_itimerspec __user *src);
310extern int put_compat_itimerspec(struct compat_itimerspec __user *dst,
311				 const struct itimerspec *src);
312
313asmlinkage long compat_sys_gettimeofday(struct compat_timeval __user *tv,
314		struct timezone __user *tz);
315asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv,
316		struct timezone __user *tz);
317
318asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp);
319
320extern int compat_printk(const char *fmt, ...);
321extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
322
323asmlinkage long compat_sys_migrate_pages(compat_pid_t pid,
324		compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes,
325		const compat_ulong_t __user *new_nodes);
326
327extern int compat_ptrace_request(struct task_struct *child,
328				 compat_long_t request,
329				 compat_ulong_t addr, compat_ulong_t data);
330
331extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
332			       compat_ulong_t addr, compat_ulong_t data);
333asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
334				  compat_long_t addr, compat_long_t data);
335
336/*
337 * epoll (fs/eventpoll.c) compat bits follow ...
338 */
339struct epoll_event;
340#define compat_epoll_event	epoll_event
341asmlinkage long compat_sys_epoll_pwait(int epfd,
342			struct compat_epoll_event __user *events,
343			int maxevents, int timeout,
344			const compat_sigset_t __user *sigmask,
345			compat_size_t sigsetsize);
346
347asmlinkage long compat_sys_utime(const char __user *filename,
348				 struct compat_utimbuf __user *t);
349asmlinkage long compat_sys_utimensat(unsigned int dfd, const char __user *filename,
350				struct compat_timespec __user *t, int flags);
351
352asmlinkage long compat_sys_time(compat_time_t __user *tloc);
353asmlinkage long compat_sys_stime(compat_time_t __user *tptr);
354asmlinkage long compat_sys_signalfd(int ufd,
355				const compat_sigset_t __user *sigmask,
356                                compat_size_t sigsetsize);
357asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
358				   const struct compat_itimerspec __user *utmr,
359				   struct compat_itimerspec __user *otmr);
360asmlinkage long compat_sys_timerfd_gettime(int ufd,
361				   struct compat_itimerspec __user *otmr);
362
363asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
364				      __u32 __user *pages,
365				      const int __user *nodes,
366				      int __user *status,
367				      int flags);
368asmlinkage long compat_sys_futimesat(unsigned int dfd, const char __user *filename,
369				     struct compat_timeval __user *t);
370asmlinkage long compat_sys_utimes(const char __user *filename,
371				  struct compat_timeval __user *t);
372asmlinkage long compat_sys_newstat(const char __user * filename,
373				   struct compat_stat __user *statbuf);
374asmlinkage long compat_sys_newlstat(const char __user * filename,
375				    struct compat_stat __user *statbuf);
376asmlinkage long compat_sys_newfstatat(unsigned int dfd, const char __user * filename,
377				      struct compat_stat __user *statbuf,
378				      int flag);
379asmlinkage long compat_sys_newfstat(unsigned int fd,
380				    struct compat_stat __user * statbuf);
381asmlinkage long compat_sys_statfs(const char __user *pathname,
382				  struct compat_statfs __user *buf);
383asmlinkage long compat_sys_fstatfs(unsigned int fd,
384				   struct compat_statfs __user *buf);
385asmlinkage long compat_sys_statfs64(const char __user *pathname,
386				    compat_size_t sz,
387				    struct compat_statfs64 __user *buf);
388asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
389				     struct compat_statfs64 __user *buf);
390asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
391				   unsigned long arg);
392asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
393				 unsigned long arg);
394asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
395asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
396					unsigned long min_nr,
397					unsigned long nr,
398					struct io_event __user *events,
399					struct compat_timespec __user *timeout);
400asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
401				     u32 __user *iocb);
402asmlinkage long compat_sys_mount(const char __user * dev_name,
403				 const char __user * dir_name,
404				 const char __user * type, unsigned long flags,
405				 const void __user * data);
406asmlinkage long compat_sys_old_readdir(unsigned int fd,
407				       struct compat_old_linux_dirent __user *,
408				       unsigned int count);
409asmlinkage long compat_sys_getdents(unsigned int fd,
410				    struct compat_linux_dirent __user *dirent,
411				    unsigned int count);
412asmlinkage long compat_sys_getdents64(unsigned int fd,
413				      struct linux_dirent64 __user * dirent,
414				      unsigned int count);
415asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
416				    unsigned int nr_segs, unsigned int flags);
417asmlinkage long compat_sys_open(const char __user *filename, int flags,
418				int mode);
419asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
420				  int flags, int mode);
421asmlinkage long compat_sys_open_by_handle_at(int mountdirfd,
422					     struct file_handle __user *handle,
423					     int flags);
424asmlinkage long compat_sys_pselect6(int n, compat_ulong_t __user *inp,
425				    compat_ulong_t __user *outp,
426				    compat_ulong_t __user *exp,
427				    struct compat_timespec __user *tsp,
428				    void __user *sig);
429asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
430				 unsigned int nfds,
431				 struct compat_timespec __user *tsp,
432				 const compat_sigset_t __user *sigmask,
433				 compat_size_t sigsetsize);
434#if (defined(CONFIG_NFSD) || defined(CONFIG_NFSD_MODULE)) && !defined(CONFIG_NFSD_DEPRECATED)
435union compat_nfsctl_res;
436struct compat_nfsctl_arg;
437asmlinkage long compat_sys_nfsservctl(int cmd,
438				      struct compat_nfsctl_arg __user *arg,
439				      union compat_nfsctl_res __user *res);
440#else
441long asmlinkage compat_sys_nfsservctl(int cmd, void *notused, void *notused2);
442#endif
443asmlinkage long compat_sys_signalfd4(int ufd,
444				     const compat_sigset_t __user *sigmask,
445				     compat_size_t sigsetsize, int flags);
446asmlinkage long compat_sys_get_mempolicy(int __user *policy,
447					 compat_ulong_t __user *nmask,
448					 compat_ulong_t maxnode,
449					 compat_ulong_t addr,
450					 compat_ulong_t flags);
451asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask,
452					 compat_ulong_t maxnode);
453asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len,
454				 compat_ulong_t mode,
455				 compat_ulong_t __user *nmask,
456				 compat_ulong_t maxnode, compat_ulong_t flags);
457
458asmlinkage long compat_sys_setsockopt(int fd, int level, int optname,
459				      char __user *optval, unsigned int optlen);
460asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg,
461				   unsigned flags);
462asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
463				   unsigned int flags);
464asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
465				unsigned flags);
466asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
467			    unsigned flags, struct sockaddr __user *addr,
468			    int __user *addrlen);
469asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
470				    unsigned vlen, unsigned int flags,
471				    struct compat_timespec __user *timeout);
472asmlinkage long compat_sys_nanosleep(struct compat_timespec __user *rqtp,
473				     struct compat_timespec __user *rmtp);
474asmlinkage long compat_sys_getitimer(int which,
475				     struct compat_itimerval __user *it);
476asmlinkage long compat_sys_setitimer(int which,
477				     struct compat_itimerval __user *in,
478				     struct compat_itimerval __user *out);
479asmlinkage long compat_sys_times(struct compat_tms __user *tbuf);
480asmlinkage long compat_sys_setrlimit(unsigned int resource,
481				     struct compat_rlimit __user *rlim);
482asmlinkage long compat_sys_getrlimit (unsigned int resource,
483				      struct compat_rlimit __user *rlim);
484asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru);
485asmlinkage long compat_sys_sched_setaffinity(compat_pid_t pid,
486				     unsigned int len,
487				     compat_ulong_t __user *user_mask_ptr);
488asmlinkage long compat_sys_sched_getaffinity(compat_pid_t pid,
489				     unsigned int len,
490				     compat_ulong_t __user *user_mask_ptr);
491asmlinkage long compat_sys_timer_create(clockid_t which_clock,
492			struct compat_sigevent __user *timer_event_spec,
493			timer_t __user *created_timer_id);
494asmlinkage long compat_sys_timer_settime(timer_t timer_id, int flags,
495					 struct compat_itimerspec __user *new,
496					 struct compat_itimerspec __user *old);
497asmlinkage long compat_sys_timer_gettime(timer_t timer_id,
498				 struct compat_itimerspec __user *setting);
499asmlinkage long compat_sys_clock_settime(clockid_t which_clock,
500					 struct compat_timespec __user *tp);
501asmlinkage long compat_sys_clock_gettime(clockid_t which_clock,
502					 struct compat_timespec __user *tp);
503asmlinkage long compat_sys_clock_adjtime(clockid_t which_clock,
504					 struct compat_timex __user *tp);
505asmlinkage long compat_sys_clock_getres(clockid_t which_clock,
506					struct compat_timespec __user *tp);
507asmlinkage long compat_sys_clock_nanosleep(clockid_t which_clock, int flags,
508					   struct compat_timespec __user *rqtp,
509					   struct compat_timespec __user *rmtp);
510asmlinkage long compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese,
511		struct compat_siginfo __user *uinfo,
512		struct compat_timespec __user *uts, compat_size_t sigsetsize);
513asmlinkage long compat_sys_rt_sigsuspend(compat_sigset_t __user *unewset,
514					 compat_size_t sigsetsize);
515asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
516asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
517				 unsigned long arg);
518asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
519		struct compat_timespec __user *utime, u32 __user *uaddr2,
520		u32 val3);
521asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
522				      char __user *optval, int __user *optlen);
523asmlinkage long compat_sys_kexec_load(unsigned long entry,
524				      unsigned long nr_segments,
525				      struct compat_kexec_segment __user *,
526				      unsigned long flags);
527asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
528			const struct compat_mq_attr __user *u_mqstat,
529			struct compat_mq_attr __user *u_omqstat);
530asmlinkage long compat_sys_mq_notify(mqd_t mqdes,
531			const struct compat_sigevent __user *u_notification);
532asmlinkage long compat_sys_mq_open(const char __user *u_name,
533			int oflag, compat_mode_t mode,
534			struct compat_mq_attr __user *u_attr);
535asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
536			const char __user *u_msg_ptr,
537			size_t msg_len, unsigned int msg_prio,
538			const struct compat_timespec __user *u_abs_timeout);
539asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
540			char __user *u_msg_ptr,
541			size_t msg_len, unsigned int __user *u_msg_prio,
542			const struct compat_timespec __user *u_abs_timeout);
543asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
544asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
545
546extern ssize_t compat_rw_copy_check_uvector(int type,
547		const struct compat_iovec __user *uvector, unsigned long nr_segs,
548		unsigned long fast_segs, struct iovec *fast_pointer,
549		struct iovec **ret_pointer);
550
551extern void __user *compat_alloc_user_space(unsigned long len);
552
553#endif /* CONFIG_COMPAT */
554#endif /* _LINUX_COMPAT_H */
555