X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fmips%2Fkernel%2Flinux32.c;h=dc4b7a8ceae821b75f8b1c43afe4164b96e3b705;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=5e277923f0d5ae2c5e0989dc5f293d9c5ca7d7e4;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 5e277923f..dc4b7a8ce 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -30,13 +30,13 @@
 #include <linux/utime.h>
 #include <linux/utsname.h>
 #include <linux/personality.h>
-#include <linux/timex.h>
 #include <linux/dnotify.h>
 #include <linux/module.h>
 #include <linux/binfmts.h>
 #include <linux/security.h>
 #include <linux/compat.h>
 #include <linux/vfs.h>
+#include <linux/vs_cvirt.h>
 
 #include <net/sock.h>
 #include <net/scm.h>
@@ -69,7 +69,7 @@
  * Revalidate the inode. This is required for proper NFS attribute caching.
  */
 
-int cp_compat_stat(struct kstat *stat, struct compat_stat *statbuf)
+int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 {
 	struct compat_stat tmp;
 
@@ -106,6 +106,10 @@ sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
 	unsigned long error;
 
 	error = -EINVAL;
+	if (pgoff & (~PAGE_MASK >> 12))
+		goto out;
+	pgoff >>= PAGE_SHIFT-12;
+
 	if (!(flags & MAP_ANONYMOUS)) {
 		error = -EBADF;
 		file = fget(fd);
@@ -125,7 +129,7 @@ out:
 }
 
 
-asmlinkage int sys_truncate64(const char *path, unsigned int high,
+asmlinkage int sys_truncate64(const char __user *path, unsigned int high,
 			      unsigned int low)
 {
 	if ((int)high < 0)
@@ -161,135 +165,32 @@ out:
 	return error;
 }
 
-struct dirent32 {
-	unsigned int	d_ino;
-	unsigned int	d_off;
-	unsigned short	d_reclen;
-	char		d_name[NAME_MAX + 1];
-};
-
-static void
-xlate_dirent(void *dirent64, void *dirent32, long n)
-{
-	long off;
-	struct dirent *dirp;
-	struct dirent32 *dirp32;
-
-	off = 0;
-	while (off < n) {
-		dirp = (struct dirent *)(dirent64 + off);
-		dirp32 = (struct dirent32 *)(dirent32 + off);
-		off += dirp->d_reclen;
-		dirp32->d_ino = dirp->d_ino;
-		dirp32->d_off = (unsigned int)dirp->d_off;
-		dirp32->d_reclen = dirp->d_reclen;
-		strncpy(dirp32->d_name, dirp->d_name, dirp->d_reclen - ((3 * 4) + 2));
-	}
-	return;
-}
-
 asmlinkage long
-sys32_getdents(unsigned int fd, void * dirent32, unsigned int count)
+sysn32_waitid(int which, compat_pid_t pid,
+	      siginfo_t __user *uinfo, int options,
+	      struct compat_rusage __user *uru)
 {
-	long n;
-	void *dirent64;
-
-	dirent64 = (void *)((unsigned long)(dirent32 + (sizeof(long) - 1)) & ~(sizeof(long) - 1));
-	if ((n = sys_getdents(fd, dirent64, count - (dirent64 - dirent32))) < 0)
-		return(n);
-	xlate_dirent(dirent64, dirent32, n);
-	return(n);
-}
-
-asmlinkage int old_readdir(unsigned int fd, void * dirent, unsigned int count);
-
-asmlinkage int
-sys32_readdir(unsigned int fd, void * dirent32, unsigned int count)
-{
-	int n;
-	struct dirent dirent64;
-
-	if ((n = old_readdir(fd, &dirent64, count)) < 0)
-		return(n);
-	xlate_dirent(&dirent64, dirent32, dirent64.d_reclen);
-	return(n);
-}
-
-struct rusage32 {
-        struct compat_timeval ru_utime;
-        struct compat_timeval ru_stime;
-        int    ru_maxrss;
-        int    ru_ixrss;
-        int    ru_idrss;
-        int    ru_isrss;
-        int    ru_minflt;
-        int    ru_majflt;
-        int    ru_nswap;
-        int    ru_inblock;
-        int    ru_oublock;
-        int    ru_msgsnd;
-        int    ru_msgrcv;
-        int    ru_nsignals;
-        int    ru_nvcsw;
-        int    ru_nivcsw;
-};
-
-static int
-put_rusage (struct rusage32 *ru, struct rusage *r)
-{
-	int err;
+	struct rusage ru;
+	long ret;
+	mm_segment_t old_fs = get_fs();
+	int si_signo;
 
-	if (!access_ok(VERIFY_WRITE, ru, sizeof *ru))
+	if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo)))
 		return -EFAULT;
 
-	err = __put_user (r->ru_utime.tv_sec, &ru->ru_utime.tv_sec);
-	err |= __put_user (r->ru_utime.tv_usec, &ru->ru_utime.tv_usec);
-	err |= __put_user (r->ru_stime.tv_sec, &ru->ru_stime.tv_sec);
-	err |= __put_user (r->ru_stime.tv_usec, &ru->ru_stime.tv_usec);
-	err |= __put_user (r->ru_maxrss, &ru->ru_maxrss);
-	err |= __put_user (r->ru_ixrss, &ru->ru_ixrss);
-	err |= __put_user (r->ru_idrss, &ru->ru_idrss);
-	err |= __put_user (r->ru_isrss, &ru->ru_isrss);
-	err |= __put_user (r->ru_minflt, &ru->ru_minflt);
-	err |= __put_user (r->ru_majflt, &ru->ru_majflt);
-	err |= __put_user (r->ru_nswap, &ru->ru_nswap);
-	err |= __put_user (r->ru_inblock, &ru->ru_inblock);
-	err |= __put_user (r->ru_oublock, &ru->ru_oublock);
-	err |= __put_user (r->ru_msgsnd, &ru->ru_msgsnd);
-	err |= __put_user (r->ru_msgrcv, &ru->ru_msgrcv);
-	err |= __put_user (r->ru_nsignals, &ru->ru_nsignals);
-	err |= __put_user (r->ru_nvcsw, &ru->ru_nvcsw);
-	err |= __put_user (r->ru_nivcsw, &ru->ru_nivcsw);
-
-	return err;
-}
-
-asmlinkage int
-sys32_wait4(compat_pid_t pid, unsigned int * stat_addr, int options,
-	    struct rusage32 * ru)
-{
-	if (!ru)
-		return sys_wait4(pid, stat_addr, options, NULL);
-	else {
-		struct rusage r;
-		int ret;
-		unsigned int status;
-		mm_segment_t old_fs = get_fs();
+	set_fs (KERNEL_DS);
+	ret = sys_waitid(which, pid, uinfo, options,
+			 uru ? (struct rusage __user *) &ru : NULL);
+	set_fs (old_fs);
 
-		set_fs(KERNEL_DS);
-		ret = sys_wait4(pid, stat_addr ? &status : NULL, options, &r);
-		set_fs(old_fs);
-		if (put_rusage (ru, &r)) return -EFAULT;
-		if (stat_addr && put_user (status, stat_addr))
-			return -EFAULT;
+	if (__get_user(si_signo, &uinfo->si_signo))
+		return -EFAULT;
+	if (ret < 0 || si_signo == 0)
 		return ret;
-	}
-}
 
-asmlinkage int
-sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
-{
-	return sys32_wait4(pid, stat_addr, options, NULL);
+	if (uru)
+		ret = put_compat_rusage(&ru, uru);
+	return ret;
 }
 
 struct sysinfo32 {
@@ -308,14 +209,14 @@ struct sysinfo32 {
 	char _f[8];
 };
 
-asmlinkage int sys32_sysinfo(struct sysinfo32 *info)
+asmlinkage int sys32_sysinfo(struct sysinfo32 __user *info)
 {
 	struct sysinfo s;
 	int ret, err;
 	mm_segment_t old_fs = get_fs ();
-	
+
 	set_fs (KERNEL_DS);
-	ret = sys_sysinfo(&s);
+	ret = sys_sysinfo((struct sysinfo __user *)&s);
 	set_fs (old_fs);
 	err = put_user (s.uptime, &info->uptime);
 	err |= __put_user (s.loads[0], &info->loads[0]);
@@ -345,11 +246,11 @@ struct rlimit32 {
 };
 
 #ifdef __MIPSEB__
-asmlinkage long sys32_truncate64(const char * path, unsigned long __dummy,
+asmlinkage long sys32_truncate64(const char __user * path, unsigned long __dummy,
 	int length_hi, int length_lo)
 #endif
 #ifdef __MIPSEL__
-asmlinkage long sys32_truncate64(const char * path, unsigned long __dummy,
+asmlinkage long sys32_truncate64(const char __user * path, unsigned long __dummy,
 	int length_lo, int length_hi)
 #endif
 {
@@ -377,7 +278,7 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy,
 }
 
 static inline long
-get_tv32(struct timeval *o, struct compat_timeval *i)
+get_tv32(struct timeval *o, struct compat_timeval __user *i)
 {
 	return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
 		(__get_user(o->tv_sec, &i->tv_sec) |
@@ -385,7 +286,7 @@ get_tv32(struct timeval *o, struct compat_timeval *i)
 }
 
 static inline long
-put_tv32(struct compat_timeval *o, struct timeval *i)
+put_tv32(struct compat_timeval __user *o, struct timeval *i)
 {
 	return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
 		(__put_user(i->tv_sec, &o->tv_sec) |
@@ -395,7 +296,7 @@ put_tv32(struct compat_timeval *o, struct timeval *i)
 extern struct timezone sys_tz;
 
 asmlinkage int
-sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
+sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
 {
 	if (tv) {
 		struct timeval ktv;
@@ -410,7 +311,7 @@ sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
 	return 0;
 }
 
-static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
+static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i)
 {
 	long usec;
 
@@ -425,7 +326,7 @@ static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
 }
 
 asmlinkage int
-sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
+sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
 {
 	struct timespec kts;
 	struct timezone ktz;
@@ -443,7 +344,7 @@ sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
 }
 
 asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
-			    unsigned int offset_low, loff_t * result,
+			    unsigned int offset_low, loff_t __user * result,
 			    unsigned int origin)
 {
 	return sys_llseek(fd, offset_high, offset_low, result, origin);
@@ -453,87 +354,27 @@ asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high,
    lseek back to original location.  They fail just like lseek does on
    non-seekable files.  */
 
-asmlinkage ssize_t sys32_pread(unsigned int fd, char * buf,
+asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf,
 			       size_t count, u32 unused, u64 a4, u64 a5)
 {
-	ssize_t ret;
-	struct file * file;
-	ssize_t (*read)(struct file *, char *, size_t, loff_t *);
-	loff_t pos;
-
-	ret = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto bad_file;
-	if (!(file->f_mode & FMODE_READ))
-		goto out;
-	pos = merge_64(a4, a5);
-	ret = rw_verify_area(READ, file, &pos, count);
-	if (ret)
-		goto out;
-	ret = -EINVAL;
-	if (!file->f_op || !(read = file->f_op->read))
-		goto out;
-	if (pos < 0)
-		goto out;
-	ret = -ESPIPE;
-	if (!(file->f_mode & FMODE_PREAD))
-		goto out;
-	ret = read(file, buf, count, &pos);
-	if (ret > 0)
-		dnotify_parent(file->f_dentry, DN_ACCESS);
-out:
-	fput(file);
-bad_file:
-	return ret;
+	return sys_pread64(fd, buf, count, merge_64(a4, a5));
 }
 
-asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char * buf,
+asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf,
 			        size_t count, u32 unused, u64 a4, u64 a5)
 {
-	ssize_t ret;
-	struct file * file;
-	ssize_t (*write)(struct file *, const char *, size_t, loff_t *);
-	loff_t pos;
-
-	ret = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto bad_file;
-	if (!(file->f_mode & FMODE_WRITE))
-		goto out;
-	pos = merge_64(a4, a5);
-	ret = rw_verify_area(WRITE, file, &pos, count);
-	if (ret)
-		goto out;
-	ret = -EINVAL;
-	if (!file->f_op || !(write = file->f_op->write))
-		goto out;
-	if (pos < 0)
-		goto out;
-
-	ret = -ESPIPE;
-	if (!(file->f_mode & FMODE_PWRITE))
-		goto out;
-
-	ret = write(file, buf, count, &pos);
-	if (ret > 0)
-		dnotify_parent(file->f_dentry, DN_MODIFY);
-out:
-	fput(file);
-bad_file:
-	return ret;
+	return sys_pwrite64(fd, buf, count, merge_64(a4, a5));
 }
 
 asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid,
-	struct compat_timespec *interval)
+	struct compat_timespec __user *interval)
 {
 	struct timespec t;
 	int ret;
 	mm_segment_t old_fs = get_fs ();
 
 	set_fs (KERNEL_DS);
-	ret = sys_sched_rr_get_interval(pid, &t);
+	ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
 	set_fs (old_fs);
 	if (put_user (t.tv_sec, &interval->tv_sec) ||
 	    __put_user (t.tv_nsec, &interval->tv_nsec))
@@ -546,21 +387,21 @@ struct msgbuf32 { s32 mtype; char mtext[1]; };
 struct ipc_perm32
 {
 	key_t    	  key;
-        compat_uid_t  uid;
-        compat_gid_t  gid;
-        compat_uid_t  cuid;
-        compat_gid_t  cgid;
+        __compat_uid_t  uid;
+        __compat_gid_t  gid;
+        __compat_uid_t  cuid;
+        __compat_gid_t  cgid;
         compat_mode_t	mode;
         unsigned short  seq;
 };
 
 struct ipc64_perm32 {
 	key_t key;
-	compat_uid_t uid;
-	compat_gid_t gid;
-	compat_uid_t cuid;
-	compat_gid_t cgid;
-	compat_mode_t	mode; 
+	__compat_uid_t uid;
+	__compat_gid_t gid;
+	__compat_uid_t cuid;
+	__compat_gid_t cgid;
+	compat_mode_t	mode;
 	unsigned short	seq;
 	unsigned short __pad1;
 	unsigned int __unused1;
@@ -651,7 +492,7 @@ struct ipc_kludge32 {
 };
 
 static int
-do_sys32_semctl(int first, int second, int third, void *uptr)
+do_sys32_semctl(int first, int second, int third, void __user *uptr)
 {
 	union semun fourth;
 	u32 pad;
@@ -662,12 +503,12 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
 	if (!uptr)
 		return -EINVAL;
 	err = -EFAULT;
-	if (get_user (pad, (u32 *)uptr))
+	if (get_user (pad, (u32 __user *)uptr))
 		return err;
 	if ((third & ~IPC_64) == SETVAL)
 		fourth.val = (int)pad;
 	else
-		fourth.__pad = (void *)A(pad);
+		fourth.__pad = (void __user *)A(pad);
 	switch (third & ~IPC_64) {
 	case IPC_INFO:
 	case IPC_RMID:
@@ -685,14 +526,14 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
 
 	case IPC_STAT:
 	case SEM_STAT:
-		fourth.__pad = &s;
+		fourth.__pad = (struct semid64_ds __user *)&s;
 		old_fs = get_fs();
 		set_fs(KERNEL_DS);
 		err = sys_semctl(first, second, third | IPC_64, fourth);
 		set_fs(old_fs);
 
 		if (third & IPC_64) {
-			struct semid64_ds32 *usp64 = (struct semid64_ds32 *) A(pad);
+			struct semid64_ds32 __user *usp64 = (struct semid64_ds32 __user *) A(pad);
 
 			if (!access_ok(VERIFY_WRITE, usp64, sizeof(*usp64))) {
 				err = -EFAULT;
@@ -709,7 +550,7 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
 			err2 |= __put_user(s.sem_ctime, &usp64->sem_ctime);
 			err2 |= __put_user(s.sem_nsems, &usp64->sem_nsems);
 		} else {
-			struct semid_ds32 *usp32 = (struct semid_ds32 *) A(pad);
+			struct semid_ds32 __user *usp32 = (struct semid_ds32 __user *) A(pad);
 
 			if (!access_ok(VERIFY_WRITE, usp32, sizeof(*usp32))) {
 				err = -EFAULT;
@@ -739,9 +580,9 @@ do_sys32_semctl(int first, int second, int third, void *uptr)
 }
 
 static int
-do_sys32_msgsnd (int first, int second, int third, void *uptr)
+do_sys32_msgsnd (int first, int second, int third, void __user *uptr)
 {
-	struct msgbuf32 *up = (struct msgbuf32 *)uptr;
+	struct msgbuf32 __user *up = (struct msgbuf32 __user *)uptr;
 	struct msgbuf *p;
 	mm_segment_t old_fs;
 	int err;
@@ -760,7 +601,7 @@ do_sys32_msgsnd (int first, int second, int third, void *uptr)
 		goto out;
 	old_fs = get_fs ();
 	set_fs (KERNEL_DS);
-	err = sys_msgsnd (first, p, second, third);
+	err = sys_msgsnd (first, (struct msgbuf __user *)p, second, third);
 	set_fs (old_fs);
 out:
 	kfree (p);
@@ -770,15 +611,15 @@ out:
 
 static int
 do_sys32_msgrcv (int first, int second, int msgtyp, int third,
-		 int version, void *uptr)
+		 int version, void __user *uptr)
 {
-	struct msgbuf32 *up;
+	struct msgbuf32 __user *up;
 	struct msgbuf *p;
 	mm_segment_t old_fs;
 	int err;
 
 	if (!version) {
-		struct ipc_kludge32 *uipck = (struct ipc_kludge32 *)uptr;
+		struct ipc_kludge32 __user *uipck = (struct ipc_kludge32 __user *)uptr;
 		struct ipc_kludge32 ipck;
 
 		err = -EINVAL;
@@ -787,7 +628,7 @@ do_sys32_msgrcv (int first, int second, int msgtyp, int third,
 		err = -EFAULT;
 		if (copy_from_user (&ipck, uipck, sizeof (struct ipc_kludge32)))
 			goto out;
-		uptr = (void *)AA(ipck.msgp);
+		uptr = (void __user *)AA(ipck.msgp);
 		msgtyp = ipck.msgtyp;
 	}
 
@@ -799,11 +640,11 @@ do_sys32_msgrcv (int first, int second, int msgtyp, int third,
 		goto out;
 	old_fs = get_fs ();
 	set_fs (KERNEL_DS);
-	err = sys_msgrcv (first, p, second + 4, msgtyp, third);
+	err = sys_msgrcv (first, (struct msgbuf __user *)p, second + 4, msgtyp, third);
 	set_fs (old_fs);
 	if (err < 0)
 		goto free_then_out;
-	up = (struct msgbuf32 *)uptr;
+	up = (struct msgbuf32 __user *)uptr;
 	if (put_user (p->mtype, &up->mtype) ||
 	    __copy_to_user (&up->mtext, p->mtext, err))
 		err = -EFAULT;
@@ -814,19 +655,19 @@ out:
 }
 
 static int
-do_sys32_msgctl (int first, int second, void *uptr)
+do_sys32_msgctl (int first, int second, void __user *uptr)
 {
 	int err = -EINVAL, err2;
 	struct msqid64_ds m;
-	struct msqid_ds32 *up32 = (struct msqid_ds32 *)uptr;
-	struct msqid64_ds32 *up64 = (struct msqid64_ds32 *)uptr;
+	struct msqid_ds32 __user *up32 = (struct msqid_ds32 __user *)uptr;
+	struct msqid64_ds32 __user *up64 = (struct msqid64_ds32 __user *)uptr;
 	mm_segment_t old_fs;
 
 	switch (second & ~IPC_64) {
 	case IPC_INFO:
 	case IPC_RMID:
 	case MSG_INFO:
-		err = sys_msgctl (first, second, (struct msqid_ds *)uptr);
+		err = sys_msgctl (first, second, (struct msqid_ds __user *)uptr);
 		break;
 
 	case IPC_SET:
@@ -853,7 +694,7 @@ do_sys32_msgctl (int first, int second, void *uptr)
 			break;
 		old_fs = get_fs();
 		set_fs(KERNEL_DS);
-		err = sys_msgctl(first, second | IPC_64, (struct msqid_ds *)&m);
+		err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
 		set_fs(old_fs);
 		break;
 
@@ -861,7 +702,7 @@ do_sys32_msgctl (int first, int second, void *uptr)
 	case MSG_STAT:
 		old_fs = get_fs();
 		set_fs(KERNEL_DS);
-		err = sys_msgctl(first, second | IPC_64, (struct msqid_ds *)&m);
+		err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m);
 		set_fs(old_fs);
 		if (second & IPC_64) {
 			if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) {
@@ -915,10 +756,10 @@ do_sys32_msgctl (int first, int second, void *uptr)
 }
 
 static int
-do_sys32_shmat (int first, int second, int third, int version, void *uptr)
+do_sys32_shmat (int first, int second, int third, int version, void __user *uptr)
 {
 	unsigned long raddr;
-	u32 *uaddr = (u32 *)A((u32)third);
+	u32 __user *uaddr = (u32 __user *)A((u32)third);
 	int err = -EINVAL;
 
 	if (version == 1)
@@ -937,11 +778,11 @@ struct shm_info32 {
 };
 
 static int
-do_sys32_shmctl (int first, int second, void *uptr)
+do_sys32_shmctl (int first, int second, void __user *uptr)
 {
-	struct shmid64_ds32 *up64 = (struct shmid64_ds32 *)uptr;
-	struct shmid_ds32 *up32 = (struct shmid_ds32 *)uptr;
-	struct shm_info32 *uip = (struct shm_info32 *)uptr;
+	struct shmid64_ds32 __user *up64 = (struct shmid64_ds32 __user *)uptr;
+	struct shmid_ds32 __user *up32 = (struct shmid_ds32 __user *)uptr;
+	struct shm_info32 __user *uip = (struct shm_info32 __user *)uptr;
 	int err = -EFAULT, err2;
 	struct shmid64_ds s64;
 	mm_segment_t old_fs;
@@ -954,7 +795,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
 	case IPC_RMID:
 	case SHM_LOCK:
 	case SHM_UNLOCK:
-		err = sys_shmctl(first, second, (struct shmid_ds *)uptr);
+		err = sys_shmctl(first, second, (struct shmid_ds __user *)uptr);
 		break;
 	case IPC_SET:
 		if (second & IPC_64) {
@@ -970,7 +811,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
 			break;
 		old_fs = get_fs();
 		set_fs(KERNEL_DS);
-		err = sys_shmctl(first, second & ~IPC_64, &s);
+		err = sys_shmctl(first, second & ~IPC_64, (struct shmid_ds __user *)&s);
 		set_fs(old_fs);
 		break;
 
@@ -978,7 +819,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
 	case SHM_STAT:
 		old_fs = get_fs();
 		set_fs(KERNEL_DS);
-		err = sys_shmctl(first, second | IPC_64, (void *) &s64);
+		err = sys_shmctl(first, second | IPC_64, (void __user *) &s64);
 		set_fs(old_fs);
 		if (err < 0)
 			break;
@@ -1028,7 +869,7 @@ do_sys32_shmctl (int first, int second, void *uptr)
 	case SHM_INFO:
 		old_fs = get_fs();
 		set_fs(KERNEL_DS);
-		err = sys_shmctl(first, second, (void *)&si);
+		err = sys_shmctl(first, second, (void __user *)&si);
 		set_fs(old_fs);
 		if (err < 0)
 			break;
@@ -1050,11 +891,11 @@ do_sys32_shmctl (int first, int second, void *uptr)
 	return err;
 }
 
-static int sys32_semtimedop(int semid, struct sembuf *tsems, int nsems,
-                            const struct compat_timespec *timeout32)
+static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems,
+                            const struct compat_timespec __user *timeout32)
 {
 	struct compat_timespec t32;
-	struct timespec *t64 = compat_alloc_user_space(sizeof(*t64));
+	struct timespec __user *t64 = compat_alloc_user_space(sizeof(*t64));
 
 	if (copy_from_user(&t32, timeout32, sizeof(t32)))
 		return -EFAULT;
@@ -1077,11 +918,11 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
 	switch (call) {
 	case SEMOP:
 		/* struct sembuf is the same on 32 and 64bit :)) */
-		err = sys_semtimedop (first, (struct sembuf *)AA(ptr), second,
+		err = sys_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
 		                      NULL);
 		break;
 	case SEMTIMEDOP:
-		err = sys32_semtimedop (first, (struct sembuf *)AA(ptr), second,
+		err = sys32_semtimedop (first, (struct sembuf __user *)AA(ptr), second,
 		                      (const struct compat_timespec __user *)AA(fifth));
 		break;
 	case SEMGET:
@@ -1089,36 +930,36 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
 		break;
 	case SEMCTL:
 		err = do_sys32_semctl (first, second, third,
-				       (void *)AA(ptr));
+				       (void __user *)AA(ptr));
 		break;
 
 	case MSGSND:
 		err = do_sys32_msgsnd (first, second, third,
-				       (void *)AA(ptr));
+				       (void __user *)AA(ptr));
 		break;
 	case MSGRCV:
 		err = do_sys32_msgrcv (first, second, fifth, third,
-				       version, (void *)AA(ptr));
+				       version, (void __user *)AA(ptr));
 		break;
 	case MSGGET:
 		err = sys_msgget ((key_t) first, second);
 		break;
 	case MSGCTL:
-		err = do_sys32_msgctl (first, second, (void *)AA(ptr));
+		err = do_sys32_msgctl (first, second, (void __user *)AA(ptr));
 		break;
 
 	case SHMAT:
 		err = do_sys32_shmat (first, second, third,
-				      version, (void *)AA(ptr));
+				      version, (void __user *)AA(ptr));
 		break;
 	case SHMDT:
-		err = sys_shmdt ((char *)A(ptr));
+		err = sys_shmdt ((char __user *)A(ptr));
 		break;
 	case SHMGET:
 		err = sys_shmget (first, (unsigned)second, third);
 		break;
 	case SHMCTL:
-		err = do_sys32_shmctl (first, second, (void *)AA(ptr));
+		err = do_sys32_shmctl (first, second, (void __user *)AA(ptr));
 		break;
 	default:
 		err = -EINVAL;
@@ -1129,7 +970,7 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth)
 }
 
 asmlinkage long sys32_shmat(int shmid, char __user *shmaddr,
-			  int shmflg, int32_t *addr)
+			  int shmflg, int32_t __user *addr)
 {
 	unsigned long raddr;
 	int err;
@@ -1154,12 +995,13 @@ struct sysctl_args32
 
 #ifdef CONFIG_SYSCTL
 
-asmlinkage long sys32_sysctl(struct sysctl_args32 *args)
+asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
 {
 	struct sysctl_args32 tmp;
 	int error;
-	size_t oldlen, *oldlenp = NULL;
-	unsigned long addr = (((long)&args->__unused[0]) + 7) & ~7;
+	size_t oldlen;
+	size_t __user *oldlenp = NULL;
+	unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7;
 
 	if (copy_from_user(&tmp, args, sizeof(tmp)))
 		return -EFAULT;
@@ -1171,20 +1013,20 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 *args)
 		   basically copy the whole sysctl.c here, and
 		   glibc's __sysctl uses rw memory for the structure
 		   anyway.  */
-		if (get_user(oldlen, (u32 *)A(tmp.oldlenp)) ||
-		    put_user(oldlen, (size_t *)addr))
+		if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) ||
+		    put_user(oldlen, (size_t __user *)addr))
 			return -EFAULT;
-		oldlenp = (size_t *)addr;
+		oldlenp = (size_t __user *)addr;
 	}
 
 	lock_kernel();
-	error = do_sysctl((int *)A(tmp.name), tmp.nlen, (void *)A(tmp.oldval),
-			  oldlenp, (void *)A(tmp.newval), tmp.newlen);
+	error = do_sysctl((int __user *)A(tmp.name), tmp.nlen, (void __user *)A(tmp.oldval),
+			  oldlenp, (void __user *)A(tmp.newval), tmp.newlen);
 	unlock_kernel();
 	if (oldlenp) {
 		if (!error) {
-			if (get_user(oldlen, (size_t *)addr) ||
-			    put_user(oldlen, (u32 *)A(tmp.oldlenp)))
+			if (get_user(oldlen, (size_t __user *)addr) ||
+			    put_user(oldlen, (u32 __user *)A(tmp.oldlenp)))
 				error = -EFAULT;
 		}
 		copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
@@ -1194,7 +1036,7 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 *args)
 
 #endif /* CONFIG_SYSCTL */
 
-asmlinkage long sys32_newuname(struct new_utsname * name)
+asmlinkage long sys32_newuname(struct new_utsname __user * name)
 {
 	int ret = 0;
 
@@ -1229,9 +1071,9 @@ struct ustat32 {
 	char		f_fpack[6];
 };
 
-extern asmlinkage long sys_ustat(dev_t dev, struct ustat * ubuf);
+extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf);
 
-asmlinkage int sys32_ustat(dev_t dev, struct ustat32 * ubuf32)
+asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32)
 {
 	int err;
         struct ustat tmp;
@@ -1239,7 +1081,7 @@ asmlinkage int sys32_ustat(dev_t dev, struct ustat32 * ubuf32)
 	mm_segment_t old_fs = get_fs();
 
 	set_fs(KERNEL_DS);
-	err = sys_ustat(dev, &tmp);
+	err = sys_ustat(dev, (struct ustat __user *)&tmp);
 	set_fs (old_fs);
 
 	if (err)
@@ -1255,96 +1097,23 @@ out:
 	return err;
 }
 
-/* Handle adjtimex compatibility. */
-
-struct timex32 {
-	u32 modes;
-	s32 offset, freq, maxerror, esterror;
-	s32 status, constant, precision, tolerance;
-	struct compat_timeval time;
-	s32 tick;
-	s32 ppsfreq, jitter, shift, stabil;
-	s32 jitcnt, calcnt, errcnt, stbcnt;
-	s32  :32; s32  :32; s32  :32; s32  :32;
-	s32  :32; s32  :32; s32  :32; s32  :32;
-	s32  :32; s32  :32; s32  :32; s32  :32;
-};
-
-extern int do_adjtimex(struct timex *);
-
-asmlinkage int sys32_adjtimex(struct timex32 *utp)
-{
-	struct timex txc;
-	int ret;
-
-	memset(&txc, 0, sizeof(struct timex));
-
-	if (get_user(txc.modes, &utp->modes) ||
-	   __get_user(txc.offset, &utp->offset) ||
-	   __get_user(txc.freq, &utp->freq) ||
-	   __get_user(txc.maxerror, &utp->maxerror) ||
-	   __get_user(txc.esterror, &utp->esterror) ||
-	   __get_user(txc.status, &utp->status) ||
-	   __get_user(txc.constant, &utp->constant) ||
-	   __get_user(txc.precision, &utp->precision) ||
-	   __get_user(txc.tolerance, &utp->tolerance) ||
-	   __get_user(txc.time.tv_sec, &utp->time.tv_sec) ||
-	   __get_user(txc.time.tv_usec, &utp->time.tv_usec) ||
-	   __get_user(txc.tick, &utp->tick) ||
-	   __get_user(txc.ppsfreq, &utp->ppsfreq) ||
-	   __get_user(txc.jitter, &utp->jitter) ||
-	   __get_user(txc.shift, &utp->shift) ||
-	   __get_user(txc.stabil, &utp->stabil) ||
-	   __get_user(txc.jitcnt, &utp->jitcnt) ||
-	   __get_user(txc.calcnt, &utp->calcnt) ||
-	   __get_user(txc.errcnt, &utp->errcnt) ||
-	   __get_user(txc.stbcnt, &utp->stbcnt))
-		return -EFAULT;
-
-	ret = do_adjtimex(&txc);
-
-	if (put_user(txc.modes, &utp->modes) ||
-	   __put_user(txc.offset, &utp->offset) ||
-	   __put_user(txc.freq, &utp->freq) ||
-	   __put_user(txc.maxerror, &utp->maxerror) ||
-	   __put_user(txc.esterror, &utp->esterror) ||
-	   __put_user(txc.status, &utp->status) ||
-	   __put_user(txc.constant, &utp->constant) ||
-	   __put_user(txc.precision, &utp->precision) ||
-	   __put_user(txc.tolerance, &utp->tolerance) ||
-	   __put_user(txc.time.tv_sec, &utp->time.tv_sec) ||
-	   __put_user(txc.time.tv_usec, &utp->time.tv_usec) ||
-	   __put_user(txc.tick, &utp->tick) ||
-	   __put_user(txc.ppsfreq, &utp->ppsfreq) ||
-	   __put_user(txc.jitter, &utp->jitter) ||
-	   __put_user(txc.shift, &utp->shift) ||
-	   __put_user(txc.stabil, &utp->stabil) ||
-	   __put_user(txc.jitcnt, &utp->jitcnt) ||
-	   __put_user(txc.calcnt, &utp->calcnt) ||
-	   __put_user(txc.errcnt, &utp->errcnt) ||
-	   __put_user(txc.stbcnt, &utp->stbcnt))
-		ret = -EFAULT;
-
-	return ret;
-}
-
-asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t *offset,
+asmlinkage int sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
 	s32 count)
 {
 	mm_segment_t old_fs = get_fs();
 	int ret;
 	off_t of;
-	
+
 	if (offset && get_user(of, offset))
 		return -EFAULT;
-		
+
 	set_fs(KERNEL_DS);
-	ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
+	ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL, count);
 	set_fs(old_fs);
-	
+
 	if (offset && put_user(of, offset))
 		return -EFAULT;
-		
+
 	return ret;
 }
 
@@ -1354,6 +1123,16 @@ asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3,
 	return sys_readahead(fd, merge_64(a2, a3), count);
 }
 
+asmlinkage long sys32_sync_file_range(int fd, int __pad,
+	unsigned long a2, unsigned long a3,
+	unsigned long a4, unsigned long a5,
+	int flags)
+{
+	return sys_sync_file_range(fd,
+			merge_64(a2, a3), merge_64(a4, a5),
+			flags);
+}
+
 /* Argument list sizes for sys_socketcall */
 #define AL(x) ((x) * sizeof(unsigned int))
 static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
@@ -1362,14 +1141,14 @@ static unsigned char socketcall_nargs[18]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
 #undef AL
 
 /*
- *	System call vectors. 
+ *	System call vectors.
  *
  *	Argument checking cleaned up. Saved 20% in size.
  *  This function doesn't need to set the kernel lock because
- *  it is set by the callees. 
+ *  it is set by the callees.
  */
 
-asmlinkage long sys32_socketcall(int call, unsigned int *args32)
+asmlinkage long sys32_socketcall(int call, unsigned int __user *args32)
 {
 	unsigned int a[6];
 	unsigned int a0,a1;
@@ -1391,7 +1170,7 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32)
 					    struct sockaddr __user *addr, int __user *addr_len);
 	extern asmlinkage long sys_shutdown(int fd, int how);
 	extern asmlinkage long sys_setsockopt(int fd, int level, int optname, char __user *optval, int optlen);
-	extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int *optlen);
+	extern asmlinkage long sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen);
 	extern asmlinkage long sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags);
 	extern asmlinkage long sys_recvmsg(int fd, struct msghdr __user *msg, unsigned int flags);
 
@@ -1402,11 +1181,11 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32)
 	/* copy_from_user should be SMP safe. */
 	if (copy_from_user(a, args32, socketcall_nargs[call]))
 		return -EFAULT;
-		
+
 	a0=a[0];
 	a1=a[1];
-	
-	switch(call) 
+
+	switch(call)
 	{
 		case SYS_SOCKET:
 			err = sys_socket(a0,a1,a[2]);
@@ -1467,3 +1246,61 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32)
 	}
 	return err;
 }
+
+struct sigevent32 {
+	u32 sigev_value;
+	u32 sigev_signo;
+	u32 sigev_notify;
+	u32 payload[(64 / 4) - 3];
+};
+
+extern asmlinkage long
+sys_timer_create(clockid_t which_clock,
+		 struct sigevent __user *timer_event_spec,
+		 timer_t __user * created_timer_id);
+
+long
+sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id)
+{
+	struct sigevent __user *p = NULL;
+	if (se32) {
+		struct sigevent se;
+		p = compat_alloc_user_space(sizeof(struct sigevent));
+		memset(&se, 0, sizeof(struct sigevent));
+		if (get_user(se.sigev_value.sival_int,  &se32->sigev_value) ||
+		    __get_user(se.sigev_signo, &se32->sigev_signo) ||
+		    __get_user(se.sigev_notify, &se32->sigev_notify) ||
+		    __copy_from_user(&se._sigev_un._pad, &se32->payload,
+				     sizeof(se32->payload)) ||
+		    copy_to_user(p, &se, sizeof(se)))
+			return -EFAULT;
+	}
+	return sys_timer_create(clock, p, timer_id);
+}
+
+save_static_function(sys32_clone);
+__attribute_used__ noinline static int
+_sys32_clone(nabi_no_regargs struct pt_regs regs)
+{
+	unsigned long clone_flags;
+	unsigned long newsp;
+	int __user *parent_tidptr, *child_tidptr;
+
+	clone_flags = regs.regs[4];
+	newsp = regs.regs[5];
+	if (!newsp)
+		newsp = regs.regs[29];
+	parent_tidptr = (int __user *) regs.regs[6];
+
+	/* Use __dummy4 instead of getting it off the stack, so that
+	   syscall() works.  */
+	child_tidptr = (int __user *) __dummy4;
+	return do_fork(clone_flags, newsp, &regs, 0,
+	               parent_tidptr, child_tidptr);
+}
+
+extern asmlinkage void sys_set_thread_area(u32 addr);
+asmlinkage void sys32_set_thread_area(u32 addr)
+{
+	sys_set_thread_area(AA(addr));
+}