| /* |
| * Conversion between 32-bit and 64-bit native system calls. |
| * |
| * Copyright (C) 2000 Silicon Graphics, Inc. |
| * Written by Ulf Carlsson (ulfc@engr.sgi.com) |
| * sys32_execve from ia64/ia32 code, Feb 2000, Kanoj Sarcar (kanoj@sgi.com) |
| */ |
| #include <linux/compiler.h> |
| #include <linux/mm.h> |
| #include <linux/errno.h> |
| #include <linux/file.h> |
| #include <linux/smp_lock.h> |
| #include <linux/highuid.h> |
| #include <linux/dirent.h> |
| #include <linux/resource.h> |
| #include <linux/highmem.h> |
| #include <linux/time.h> |
| #include <linux/times.h> |
| #include <linux/poll.h> |
| #include <linux/slab.h> |
| #include <linux/skbuff.h> |
| #include <linux/filter.h> |
| #include <linux/shm.h> |
| #include <linux/sem.h> |
| #include <linux/msg.h> |
| #include <linux/icmpv6.h> |
| #include <linux/syscalls.h> |
| #include <linux/sysctl.h> |
| #include <linux/utime.h> |
| #include <linux/utsname.h> |
| #include <linux/personality.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 <net/sock.h> |
| #include <net/scm.h> |
| |
| #include <asm/ipc.h> |
| #include <asm/sim.h> |
| #include <asm/uaccess.h> |
| #include <asm/mmu_context.h> |
| #include <asm/mman.h> |
| |
| /* Use this to get at 32-bit user passed pointers. */ |
| /* A() macro should be used for places where you e.g. |
| have some internal variable u32 and just want to get |
| rid of a compiler warning. AA() has to be used in |
| places where you want to convert a function argument |
| to 32bit pointer or when you e.g. access pt_regs |
| structure and want to consider 32bit registers only. |
| */ |
| #define A(__x) ((unsigned long)(__x)) |
| #define AA(__x) ((unsigned long)((int)__x)) |
| |
| #ifdef __MIPSEB__ |
| #define merge_64(r1,r2) ((((r1) & 0xffffffffUL) << 32) + ((r2) & 0xffffffffUL)) |
| #endif |
| #ifdef __MIPSEL__ |
| #define merge_64(r1,r2) ((((r2) & 0xffffffffUL) << 32) + ((r1) & 0xffffffffUL)) |
| #endif |
| |
| /* |
| * Revalidate the inode. This is required for proper NFS attribute caching. |
| */ |
| |
| int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) |
| { |
| struct compat_stat tmp; |
| |
| if (!new_valid_dev(stat->dev) || !new_valid_dev(stat->rdev)) |
| return -EOVERFLOW; |
| |
| memset(&tmp, 0, sizeof(tmp)); |
| tmp.st_dev = new_encode_dev(stat->dev); |
| tmp.st_ino = stat->ino; |
| tmp.st_mode = stat->mode; |
| tmp.st_nlink = stat->nlink; |
| SET_UID(tmp.st_uid, stat->uid); |
| SET_GID(tmp.st_gid, stat->gid); |
| tmp.st_rdev = new_encode_dev(stat->rdev); |
| tmp.st_size = stat->size; |
| tmp.st_atime = stat->atime.tv_sec; |
| tmp.st_mtime = stat->mtime.tv_sec; |
| tmp.st_ctime = stat->ctime.tv_sec; |
| #ifdef STAT_HAVE_NSEC |
| tmp.st_atime_nsec = stat->atime.tv_nsec; |
| tmp.st_mtime_nsec = stat->mtime.tv_nsec; |
| tmp.st_ctime_nsec = stat->ctime.tv_nsec; |
| #endif |
| tmp.st_blocks = stat->blocks; |
| tmp.st_blksize = stat->blksize; |
| return copy_to_user(statbuf,&tmp,sizeof(tmp)) ? -EFAULT : 0; |
| } |
| |
| asmlinkage unsigned long |
| sys32_mmap2(unsigned long addr, unsigned long len, unsigned long prot, |
| unsigned long flags, unsigned long fd, unsigned long pgoff) |
| { |
| struct file * file = NULL; |
| 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); |
| if (!file) |
| goto out; |
| } |
| flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); |
| |
| down_write(¤t->mm->mmap_sem); |
| error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); |
| up_write(¤t->mm->mmap_sem); |
| if (file) |
| fput(file); |
| |
| out: |
| return error; |
| } |
| |
| |
| asmlinkage int sys_truncate64(const char __user *path, unsigned int high, |
| unsigned int low) |
| { |
| if ((int)high < 0) |
| return -EINVAL; |
| return sys_truncate(path, ((long) high << 32) | low); |
| } |
| |
| asmlinkage int sys_ftruncate64(unsigned int fd, unsigned int high, |
| unsigned int low) |
| { |
| if ((int)high < 0) |
| return -EINVAL; |
| return sys_ftruncate(fd, ((long) high << 32) | low); |
| } |
| |
| /* |
| * sys_execve() executes a new program. |
| */ |
| asmlinkage int sys32_execve(nabi_no_regargs struct pt_regs regs) |
| { |
| int error; |
| char * filename; |
| |
| filename = getname(compat_ptr(regs.regs[4])); |
| error = PTR_ERR(filename); |
| if (IS_ERR(filename)) |
| goto out; |
| error = compat_do_execve(filename, compat_ptr(regs.regs[5]), |
| compat_ptr(regs.regs[6]), ®s); |
| putname(filename); |
| |
| out: |
| return error; |
| } |
| |
| asmlinkage long |
| sysn32_waitid(int which, compat_pid_t pid, |
| siginfo_t __user *uinfo, int options, |
| struct compat_rusage __user *uru) |
| { |
| struct rusage ru; |
| long ret; |
| mm_segment_t old_fs = get_fs(); |
| int si_signo; |
| |
| if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo))) |
| return -EFAULT; |
| |
| set_fs (KERNEL_DS); |
| ret = sys_waitid(which, pid, uinfo, options, |
| uru ? (struct rusage __user *) &ru : NULL); |
| set_fs (old_fs); |
| |
| if (__get_user(si_signo, &uinfo->si_signo)) |
| return -EFAULT; |
| if (ret < 0 || si_signo == 0) |
| return ret; |
| |
| if (uru) |
| ret = put_compat_rusage(&ru, uru); |
| return ret; |
| } |
| |
| struct sysinfo32 { |
| s32 uptime; |
| u32 loads[3]; |
| u32 totalram; |
| u32 freeram; |
| u32 sharedram; |
| u32 bufferram; |
| u32 totalswap; |
| u32 freeswap; |
| u16 procs; |
| u32 totalhigh; |
| u32 freehigh; |
| u32 mem_unit; |
| char _f[8]; |
| }; |
| |
| 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((struct sysinfo __user *)&s); |
| set_fs (old_fs); |
| err = put_user (s.uptime, &info->uptime); |
| err |= __put_user (s.loads[0], &info->loads[0]); |
| err |= __put_user (s.loads[1], &info->loads[1]); |
| err |= __put_user (s.loads[2], &info->loads[2]); |
| err |= __put_user (s.totalram, &info->totalram); |
| err |= __put_user (s.freeram, &info->freeram); |
| err |= __put_user (s.sharedram, &info->sharedram); |
| err |= __put_user (s.bufferram, &info->bufferram); |
| err |= __put_user (s.totalswap, &info->totalswap); |
| err |= __put_user (s.freeswap, &info->freeswap); |
| err |= __put_user (s.procs, &info->procs); |
| err |= __put_user (s.totalhigh, &info->totalhigh); |
| err |= __put_user (s.freehigh, &info->freehigh); |
| err |= __put_user (s.mem_unit, &info->mem_unit); |
| if (err) |
| return -EFAULT; |
| return ret; |
| } |
| |
| #define RLIM_INFINITY32 0x7fffffff |
| #define RESOURCE32(x) ((x > RLIM_INFINITY32) ? RLIM_INFINITY32 : x) |
| |
| struct rlimit32 { |
| int rlim_cur; |
| int rlim_max; |
| }; |
| |
| #ifdef __MIPSEB__ |
| 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 __user * path, unsigned long __dummy, |
| int length_lo, int length_hi) |
| #endif |
| { |
| loff_t length; |
| |
| length = ((unsigned long) length_hi << 32) | (unsigned int) length_lo; |
| |
| return sys_truncate(path, length); |
| } |
| |
| #ifdef __MIPSEB__ |
| asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy, |
| int length_hi, int length_lo) |
| #endif |
| #ifdef __MIPSEL__ |
| asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long __dummy, |
| int length_lo, int length_hi) |
| #endif |
| { |
| loff_t length; |
| |
| length = ((unsigned long) length_hi << 32) | (unsigned int) length_lo; |
| |
| return sys_ftruncate(fd, length); |
| } |
| |
| static inline long |
| 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) | |
| __get_user(o->tv_usec, &i->tv_usec))); |
| } |
| |
| static inline long |
| 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) | |
| __put_user(i->tv_usec, &o->tv_usec))); |
| } |
| |
| extern struct timezone sys_tz; |
| |
| asmlinkage int |
| sys32_gettimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) |
| { |
| if (tv) { |
| struct timeval ktv; |
| do_gettimeofday(&ktv); |
| if (put_tv32(tv, &ktv)) |
| return -EFAULT; |
| } |
| if (tz) { |
| if (copy_to_user(tz, &sys_tz, sizeof(sys_tz))) |
| return -EFAULT; |
| } |
| return 0; |
| } |
| |
| static inline long get_ts32(struct timespec *o, struct compat_timeval __user *i) |
| { |
| long usec; |
| |
| if (!access_ok(VERIFY_READ, i, sizeof(*i))) |
| return -EFAULT; |
| if (__get_user(o->tv_sec, &i->tv_sec)) |
| return -EFAULT; |
| if (__get_user(usec, &i->tv_usec)) |
| return -EFAULT; |
| o->tv_nsec = usec * 1000; |
| return 0; |
| } |
| |
| asmlinkage int |
| sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz) |
| { |
| struct timespec kts; |
| struct timezone ktz; |
| |
| if (tv) { |
| if (get_ts32(&kts, tv)) |
| return -EFAULT; |
| } |
| if (tz) { |
| if (copy_from_user(&ktz, tz, sizeof(ktz))) |
| return -EFAULT; |
| } |
| |
| return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); |
| } |
| |
| asmlinkage int sys32_llseek(unsigned int fd, unsigned int offset_high, |
| unsigned int offset_low, loff_t __user * result, |
| unsigned int origin) |
| { |
| return sys_llseek(fd, offset_high, offset_low, result, origin); |
| } |
| |
| /* From the Single Unix Spec: pread & pwrite act like lseek to pos + op + |
| lseek back to original location. They fail just like lseek does on |
| non-seekable files. */ |
| |
| asmlinkage ssize_t sys32_pread(unsigned int fd, char __user * buf, |
| size_t count, u32 unused, u64 a4, u64 a5) |
| { |
| return sys_pread64(fd, buf, count, merge_64(a4, a5)); |
| } |
| |
| asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char __user * buf, |
| size_t count, u32 unused, u64 a4, u64 a5) |
| { |
| return sys_pwrite64(fd, buf, count, merge_64(a4, a5)); |
| } |
| |
| asmlinkage int sys32_sched_rr_get_interval(compat_pid_t pid, |
| 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, (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)) |
| return -EFAULT; |
| return ret; |
| } |
| |
| 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_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; |
| unsigned short seq; |
| unsigned short __pad1; |
| unsigned int __unused1; |
| unsigned int __unused2; |
| }; |
| |
| struct semid_ds32 { |
| struct ipc_perm32 sem_perm; /* permissions .. see ipc.h */ |
| compat_time_t sem_otime; /* last semop time */ |
| compat_time_t sem_ctime; /* last change time */ |
| u32 sem_base; /* ptr to first semaphore in array */ |
| u32 sem_pending; /* pending operations to be processed */ |
| u32 sem_pending_last; /* last pending operation */ |
| u32 undo; /* undo requests on this array */ |
| unsigned short sem_nsems; /* no. of semaphores in array */ |
| }; |
| |
| struct semid64_ds32 { |
| struct ipc64_perm32 sem_perm; |
| compat_time_t sem_otime; |
| compat_time_t sem_ctime; |
| unsigned int sem_nsems; |
| unsigned int __unused1; |
| unsigned int __unused2; |
| }; |
| |
| struct msqid_ds32 |
| { |
| struct ipc_perm32 msg_perm; |
| u32 msg_first; |
| u32 msg_last; |
| compat_time_t msg_stime; |
| compat_time_t msg_rtime; |
| compat_time_t msg_ctime; |
| u32 wwait; |
| u32 rwait; |
| unsigned short msg_cbytes; |
| unsigned short msg_qnum; |
| unsigned short msg_qbytes; |
| compat_ipc_pid_t msg_lspid; |
| compat_ipc_pid_t msg_lrpid; |
| }; |
| |
| struct msqid64_ds32 { |
| struct ipc64_perm32 msg_perm; |
| compat_time_t msg_stime; |
| unsigned int __unused1; |
| compat_time_t msg_rtime; |
| unsigned int __unused2; |
| compat_time_t msg_ctime; |
| unsigned int __unused3; |
| unsigned int msg_cbytes; |
| unsigned int msg_qnum; |
| unsigned int msg_qbytes; |
| compat_pid_t msg_lspid; |
| compat_pid_t msg_lrpid; |
| unsigned int __unused4; |
| unsigned int __unused5; |
| }; |
| |
| struct shmid_ds32 { |
| struct ipc_perm32 shm_perm; |
| int shm_segsz; |
| compat_time_t shm_atime; |
| compat_time_t shm_dtime; |
| compat_time_t shm_ctime; |
| compat_ipc_pid_t shm_cpid; |
| compat_ipc_pid_t shm_lpid; |
| unsigned short shm_nattch; |
| }; |
| |
| struct shmid64_ds32 { |
| struct ipc64_perm32 shm_perm; |
| compat_size_t shm_segsz; |
| compat_time_t shm_atime; |
| compat_time_t shm_dtime; |
| compat_time_t shm_ctime; |
| compat_pid_t shm_cpid; |
| compat_pid_t shm_lpid; |
| unsigned int shm_nattch; |
| unsigned int __unused1; |
| unsigned int __unused2; |
| }; |
| |
| struct ipc_kludge32 { |
| u32 msgp; |
| s32 msgtyp; |
| }; |
| |
| static int |
| do_sys32_semctl(int first, int second, int third, void __user *uptr) |
| { |
| union semun fourth; |
| u32 pad; |
| int err, err2; |
| struct semid64_ds s; |
| mm_segment_t old_fs; |
| |
| if (!uptr) |
| return -EINVAL; |
| err = -EFAULT; |
| if (get_user (pad, (u32 __user *)uptr)) |
| return err; |
| if ((third & ~IPC_64) == SETVAL) |
| fourth.val = (int)pad; |
| else |
| fourth.__pad = (void __user *)A(pad); |
| switch (third & ~IPC_64) { |
| case IPC_INFO: |
| case IPC_RMID: |
| case IPC_SET: |
| case SEM_INFO: |
| case GETVAL: |
| case GETPID: |
| case GETNCNT: |
| case GETZCNT: |
| case GETALL: |
| case SETVAL: |
| case SETALL: |
| err = sys_semctl (first, second, third, fourth); |
| break; |
| |
| case IPC_STAT: |
| case SEM_STAT: |
| 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 __user *usp64 = (struct semid64_ds32 __user *) A(pad); |
| |
| if (!access_ok(VERIFY_WRITE, usp64, sizeof(*usp64))) { |
| err = -EFAULT; |
| break; |
| } |
| err2 = __put_user(s.sem_perm.key, &usp64->sem_perm.key); |
| err2 |= __put_user(s.sem_perm.uid, &usp64->sem_perm.uid); |
| err2 |= __put_user(s.sem_perm.gid, &usp64->sem_perm.gid); |
| err2 |= __put_user(s.sem_perm.cuid, &usp64->sem_perm.cuid); |
| err2 |= __put_user(s.sem_perm.cgid, &usp64->sem_perm.cgid); |
| err2 |= __put_user(s.sem_perm.mode, &usp64->sem_perm.mode); |
| err2 |= __put_user(s.sem_perm.seq, &usp64->sem_perm.seq); |
| err2 |= __put_user(s.sem_otime, &usp64->sem_otime); |
| err2 |= __put_user(s.sem_ctime, &usp64->sem_ctime); |
| err2 |= __put_user(s.sem_nsems, &usp64->sem_nsems); |
| } else { |
| struct semid_ds32 __user *usp32 = (struct semid_ds32 __user *) A(pad); |
| |
| if (!access_ok(VERIFY_WRITE, usp32, sizeof(*usp32))) { |
| err = -EFAULT; |
| break; |
| } |
| err2 = __put_user(s.sem_perm.key, &usp32->sem_perm.key); |
| err2 |= __put_user(s.sem_perm.uid, &usp32->sem_perm.uid); |
| err2 |= __put_user(s.sem_perm.gid, &usp32->sem_perm.gid); |
| err2 |= __put_user(s.sem_perm.cuid, &usp32->sem_perm.cuid); |
| err2 |= __put_user(s.sem_perm.cgid, &usp32->sem_perm.cgid); |
| err2 |= __put_user(s.sem_perm.mode, &usp32->sem_perm.mode); |
| err2 |= __put_user(s.sem_perm.seq, &usp32->sem_perm.seq); |
| err2 |= __put_user(s.sem_otime, &usp32->sem_otime); |
| err2 |= __put_user(s.sem_ctime, &usp32->sem_ctime); |
| err2 |= __put_user(s.sem_nsems, &usp32->sem_nsems); |
| } |
| if (err2) |
| err = -EFAULT; |
| break; |
| |
| default: |
| err = - EINVAL; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int |
| do_sys32_msgsnd (int first, int second, int third, void __user *uptr) |
| { |
| struct msgbuf32 __user *up = (struct msgbuf32 __user *)uptr; |
| struct msgbuf *p; |
| mm_segment_t old_fs; |
| int err; |
| |
| if (second < 0) |
| return -EINVAL; |
| p = kmalloc (second + sizeof (struct msgbuf) |
| + 4, GFP_USER); |
| if (!p) |
| return -ENOMEM; |
| err = get_user (p->mtype, &up->mtype); |
| if (err) |
| goto out; |
| err |= __copy_from_user (p->mtext, &up->mtext, second); |
| if (err) |
| goto out; |
| old_fs = get_fs (); |
| set_fs (KERNEL_DS); |
| err = sys_msgsnd (first, (struct msgbuf __user *)p, second, third); |
| set_fs (old_fs); |
| out: |
| kfree (p); |
| |
| return err; |
| } |
| |
| static int |
| do_sys32_msgrcv (int first, int second, int msgtyp, int third, |
| int version, void __user *uptr) |
| { |
| struct msgbuf32 __user *up; |
| struct msgbuf *p; |
| mm_segment_t old_fs; |
| int err; |
| |
| if (!version) { |
| struct ipc_kludge32 __user *uipck = (struct ipc_kludge32 __user *)uptr; |
| struct ipc_kludge32 ipck; |
| |
| err = -EINVAL; |
| if (!uptr) |
| goto out; |
| err = -EFAULT; |
| if (copy_from_user (&ipck, uipck, sizeof (struct ipc_kludge32))) |
| goto out; |
| uptr = (void __user *)AA(ipck.msgp); |
| msgtyp = ipck.msgtyp; |
| } |
| |
| if (second < 0) |
| return -EINVAL; |
| err = -ENOMEM; |
| p = kmalloc (second + sizeof (struct msgbuf) + 4, GFP_USER); |
| if (!p) |
| goto out; |
| old_fs = get_fs (); |
| set_fs (KERNEL_DS); |
| 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 __user *)uptr; |
| if (put_user (p->mtype, &up->mtype) || |
| __copy_to_user (&up->mtext, p->mtext, err)) |
| err = -EFAULT; |
| free_then_out: |
| kfree (p); |
| out: |
| return err; |
| } |
| |
| static int |
| do_sys32_msgctl (int first, int second, void __user *uptr) |
| { |
| int err = -EINVAL, err2; |
| struct msqid64_ds m; |
| 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 __user *)uptr); |
| break; |
| |
| case IPC_SET: |
| if (second & IPC_64) { |
| if (!access_ok(VERIFY_READ, up64, sizeof(*up64))) { |
| err = -EFAULT; |
| break; |
| } |
| err = __get_user(m.msg_perm.uid, &up64->msg_perm.uid); |
| err |= __get_user(m.msg_perm.gid, &up64->msg_perm.gid); |
| err |= __get_user(m.msg_perm.mode, &up64->msg_perm.mode); |
| err |= __get_user(m.msg_qbytes, &up64->msg_qbytes); |
| } else { |
| if (!access_ok(VERIFY_READ, up32, sizeof(*up32))) { |
| err = -EFAULT; |
| break; |
| } |
| err = __get_user(m.msg_perm.uid, &up32->msg_perm.uid); |
| err |= __get_user(m.msg_perm.gid, &up32->msg_perm.gid); |
| err |= __get_user(m.msg_perm.mode, &up32->msg_perm.mode); |
| err |= __get_user(m.msg_qbytes, &up32->msg_qbytes); |
| } |
| if (err) |
| break; |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| err = sys_msgctl(first, second | IPC_64, (struct msqid_ds __user *)&m); |
| set_fs(old_fs); |
| break; |
| |
| case IPC_STAT: |
| case MSG_STAT: |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| 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))) { |
| err = -EFAULT; |
| break; |
| } |
| err2 = __put_user(m.msg_perm.key, &up64->msg_perm.key); |
| err2 |= __put_user(m.msg_perm.uid, &up64->msg_perm.uid); |
| err2 |= __put_user(m.msg_perm.gid, &up64->msg_perm.gid); |
| err2 |= __put_user(m.msg_perm.cuid, &up64->msg_perm.cuid); |
| err2 |= __put_user(m.msg_perm.cgid, &up64->msg_perm.cgid); |
| err2 |= __put_user(m.msg_perm.mode, &up64->msg_perm.mode); |
| err2 |= __put_user(m.msg_perm.seq, &up64->msg_perm.seq); |
| err2 |= __put_user(m.msg_stime, &up64->msg_stime); |
| err2 |= __put_user(m.msg_rtime, &up64->msg_rtime); |
| err2 |= __put_user(m.msg_ctime, &up64->msg_ctime); |
| err2 |= __put_user(m.msg_cbytes, &up64->msg_cbytes); |
| err2 |= __put_user(m.msg_qnum, &up64->msg_qnum); |
| err2 |= __put_user(m.msg_qbytes, &up64->msg_qbytes); |
| err2 |= __put_user(m.msg_lspid, &up64->msg_lspid); |
| err2 |= __put_user(m.msg_lrpid, &up64->msg_lrpid); |
| if (err2) |
| err = -EFAULT; |
| } else { |
| if (!access_ok(VERIFY_WRITE, up32, sizeof(*up32))) { |
| err = -EFAULT; |
| break; |
| } |
| err2 = __put_user(m.msg_perm.key, &up32->msg_perm.key); |
| err2 |= __put_user(m.msg_perm.uid, &up32->msg_perm.uid); |
| err2 |= __put_user(m.msg_perm.gid, &up32->msg_perm.gid); |
| err2 |= __put_user(m.msg_perm.cuid, &up32->msg_perm.cuid); |
| err2 |= __put_user(m.msg_perm.cgid, &up32->msg_perm.cgid); |
| err2 |= __put_user(m.msg_perm.mode, &up32->msg_perm.mode); |
| err2 |= __put_user(m.msg_perm.seq, &up32->msg_perm.seq); |
| err2 |= __put_user(m.msg_stime, &up32->msg_stime); |
| err2 |= __put_user(m.msg_rtime, &up32->msg_rtime); |
| err2 |= __put_user(m.msg_ctime, &up32->msg_ctime); |
| err2 |= __put_user(m.msg_cbytes, &up32->msg_cbytes); |
| err2 |= __put_user(m.msg_qnum, &up32->msg_qnum); |
| err2 |= __put_user(m.msg_qbytes, &up32->msg_qbytes); |
| err2 |= __put_user(m.msg_lspid, &up32->msg_lspid); |
| err2 |= __put_user(m.msg_lrpid, &up32->msg_lrpid); |
| if (err2) |
| err = -EFAULT; |
| } |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int |
| do_sys32_shmat (int first, int second, int third, int version, void __user *uptr) |
| { |
| unsigned long raddr; |
| u32 __user *uaddr = (u32 __user *)A((u32)third); |
| int err = -EINVAL; |
| |
| if (version == 1) |
| return err; |
| err = do_shmat (first, uptr, second, &raddr); |
| if (err) |
| return err; |
| err = put_user (raddr, uaddr); |
| return err; |
| } |
| |
| struct shm_info32 { |
| int used_ids; |
| u32 shm_tot, shm_rss, shm_swp; |
| u32 swap_attempts, swap_successes; |
| }; |
| |
| static int |
| do_sys32_shmctl (int first, int second, void __user *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; |
| struct shm_info si; |
| struct shmid_ds s; |
| |
| switch (second & ~IPC_64) { |
| case IPC_INFO: |
| second = IPC_INFO; /* So that we don't have to translate it */ |
| case IPC_RMID: |
| case SHM_LOCK: |
| case SHM_UNLOCK: |
| err = sys_shmctl(first, second, (struct shmid_ds __user *)uptr); |
| break; |
| case IPC_SET: |
| if (second & IPC_64) { |
| err = get_user(s.shm_perm.uid, &up64->shm_perm.uid); |
| err |= get_user(s.shm_perm.gid, &up64->shm_perm.gid); |
| err |= get_user(s.shm_perm.mode, &up64->shm_perm.mode); |
| } else { |
| err = get_user(s.shm_perm.uid, &up32->shm_perm.uid); |
| err |= get_user(s.shm_perm.gid, &up32->shm_perm.gid); |
| err |= get_user(s.shm_perm.mode, &up32->shm_perm.mode); |
| } |
| if (err) |
| break; |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| err = sys_shmctl(first, second & ~IPC_64, (struct shmid_ds __user *)&s); |
| set_fs(old_fs); |
| break; |
| |
| case IPC_STAT: |
| case SHM_STAT: |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| err = sys_shmctl(first, second | IPC_64, (void __user *) &s64); |
| set_fs(old_fs); |
| if (err < 0) |
| break; |
| if (second & IPC_64) { |
| if (!access_ok(VERIFY_WRITE, up64, sizeof(*up64))) { |
| err = -EFAULT; |
| break; |
| } |
| err2 = __put_user(s64.shm_perm.key, &up64->shm_perm.key); |
| err2 |= __put_user(s64.shm_perm.uid, &up64->shm_perm.uid); |
| err2 |= __put_user(s64.shm_perm.gid, &up64->shm_perm.gid); |
| err2 |= __put_user(s64.shm_perm.cuid, &up64->shm_perm.cuid); |
| err2 |= __put_user(s64.shm_perm.cgid, &up64->shm_perm.cgid); |
| err2 |= __put_user(s64.shm_perm.mode, &up64->shm_perm.mode); |
| err2 |= __put_user(s64.shm_perm.seq, &up64->shm_perm.seq); |
| err2 |= __put_user(s64.shm_atime, &up64->shm_atime); |
| err2 |= __put_user(s64.shm_dtime, &up64->shm_dtime); |
| err2 |= __put_user(s64.shm_ctime, &up64->shm_ctime); |
| err2 |= __put_user(s64.shm_segsz, &up64->shm_segsz); |
| err2 |= __put_user(s64.shm_nattch, &up64->shm_nattch); |
| err2 |= __put_user(s64.shm_cpid, &up64->shm_cpid); |
| err2 |= __put_user(s64.shm_lpid, &up64->shm_lpid); |
| } else { |
| if (!access_ok(VERIFY_WRITE, up32, sizeof(*up32))) { |
| err = -EFAULT; |
| break; |
| } |
| err2 = __put_user(s64.shm_perm.key, &up32->shm_perm.key); |
| err2 |= __put_user(s64.shm_perm.uid, &up32->shm_perm.uid); |
| err2 |= __put_user(s64.shm_perm.gid, &up32->shm_perm.gid); |
| err2 |= __put_user(s64.shm_perm.cuid, &up32->shm_perm.cuid); |
| err2 |= __put_user(s64.shm_perm.cgid, &up32->shm_perm.cgid); |
| err2 |= __put_user(s64.shm_perm.mode, &up32->shm_perm.mode); |
| err2 |= __put_user(s64.shm_perm.seq, &up32->shm_perm.seq); |
| err2 |= __put_user(s64.shm_atime, &up32->shm_atime); |
| err2 |= __put_user(s64.shm_dtime, &up32->shm_dtime); |
| err2 |= __put_user(s64.shm_ctime, &up32->shm_ctime); |
| err2 |= __put_user(s64.shm_segsz, &up32->shm_segsz); |
| err2 |= __put_user(s64.shm_nattch, &up32->shm_nattch); |
| err2 |= __put_user(s64.shm_cpid, &up32->shm_cpid); |
| err2 |= __put_user(s64.shm_lpid, &up32->shm_lpid); |
| } |
| if (err2) |
| err = -EFAULT; |
| break; |
| |
| case SHM_INFO: |
| old_fs = get_fs(); |
| set_fs(KERNEL_DS); |
| err = sys_shmctl(first, second, (void __user *)&si); |
| set_fs(old_fs); |
| if (err < 0) |
| break; |
| err2 = put_user(si.used_ids, &uip->used_ids); |
| err2 |= __put_user(si.shm_tot, &uip->shm_tot); |
| err2 |= __put_user(si.shm_rss, &uip->shm_rss); |
| err2 |= __put_user(si.shm_swp, &uip->shm_swp); |
| err2 |= __put_user(si.swap_attempts, &uip->swap_attempts); |
| err2 |= __put_user (si.swap_successes, &uip->swap_successes); |
| if (err2) |
| err = -EFAULT; |
| break; |
| |
| default: |
| err = -EINVAL; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int sys32_semtimedop(int semid, struct sembuf __user *tsems, int nsems, |
| const struct compat_timespec __user *timeout32) |
| { |
| struct compat_timespec t32; |
| struct timespec __user *t64 = compat_alloc_user_space(sizeof(*t64)); |
| |
| if (copy_from_user(&t32, timeout32, sizeof(t32))) |
| return -EFAULT; |
| |
| if (put_user(t32.tv_sec, &t64->tv_sec) || |
| put_user(t32.tv_nsec, &t64->tv_nsec)) |
| return -EFAULT; |
| |
| return sys_semtimedop(semid, tsems, nsems, t64); |
| } |
| |
| asmlinkage long |
| sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth) |
| { |
| int version, err; |
| |
| version = call >> 16; /* hack for backward compatibility */ |
| call &= 0xffff; |
| |
| switch (call) { |
| case SEMOP: |
| /* struct sembuf is the same on 32 and 64bit :)) */ |
| err = sys_semtimedop (first, (struct sembuf __user *)AA(ptr), second, |
| NULL); |
| break; |
| case SEMTIMEDOP: |
| err = sys32_semtimedop (first, (struct sembuf __user *)AA(ptr), second, |
| (const struct compat_timespec __user *)AA(fifth)); |
| break; |
| case SEMGET: |
| err = sys_semget (first, second, third); |
| break; |
| case SEMCTL: |
| err = do_sys32_semctl (first, second, third, |
| (void __user *)AA(ptr)); |
| break; |
| |
| case MSGSND: |
| err = do_sys32_msgsnd (first, second, third, |
| (void __user *)AA(ptr)); |
| break; |
| case MSGRCV: |
| err = do_sys32_msgrcv (first, second, fifth, third, |
| 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 __user *)AA(ptr)); |
| break; |
| |
| case SHMAT: |
| err = do_sys32_shmat (first, second, third, |
| version, (void __user *)AA(ptr)); |
| break; |
| case SHMDT: |
| 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 __user *)AA(ptr)); |
| break; |
| default: |
| err = -EINVAL; |
| break; |
| } |
| |
| return err; |
| } |
| |
| asmlinkage long sys32_shmat(int shmid, char __user *shmaddr, |
| int shmflg, int32_t __user *addr) |
| { |
| unsigned long raddr; |
| int err; |
| |
| err = do_shmat(shmid, shmaddr, shmflg, &raddr); |
| if (err) |
| return err; |
| |
| return put_user(raddr, addr); |
| } |
| |
| struct sysctl_args32 |
| { |
| compat_caddr_t name; |
| int nlen; |
| compat_caddr_t oldval; |
| compat_caddr_t oldlenp; |
| compat_caddr_t newval; |
| compat_size_t newlen; |
| unsigned int __unused[4]; |
| }; |
| |
| #ifdef CONFIG_SYSCTL |
| |
| asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args) |
| { |
| struct sysctl_args32 tmp; |
| int error; |
| 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; |
| |
| if (tmp.oldval && tmp.oldlenp) { |
| /* Duh, this is ugly and might not work if sysctl_args |
| is in read-only memory, but do_sysctl does indirectly |
| a lot of uaccess in both directions and we'd have to |
| basically copy the whole sysctl.c here, and |
| glibc's __sysctl uses rw memory for the structure |
| anyway. */ |
| if (get_user(oldlen, (u32 __user *)A(tmp.oldlenp)) || |
| put_user(oldlen, (size_t __user *)addr)) |
| return -EFAULT; |
| oldlenp = (size_t __user *)addr; |
| } |
| |
| lock_kernel(); |
| 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 __user *)addr) || |
| put_user(oldlen, (u32 __user *)A(tmp.oldlenp))) |
| error = -EFAULT; |
| } |
| copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused)); |
| } |
| return error; |
| } |
| |
| #endif /* CONFIG_SYSCTL */ |
| |
| asmlinkage long sys32_newuname(struct new_utsname __user * name) |
| { |
| int ret = 0; |
| |
| down_read(&uts_sem); |
| if (copy_to_user(name,&system_utsname,sizeof *name)) |
| ret = -EFAULT; |
| up_read(&uts_sem); |
| |
| if (current->personality == PER_LINUX32 && !ret) |
| if (copy_to_user(name->machine, "mips\0\0\0", 8)) |
| ret = -EFAULT; |
| |
| return ret; |
| } |
| |
| asmlinkage int sys32_personality(unsigned long personality) |
| { |
| int ret; |
| if (current->personality == PER_LINUX32 && personality == PER_LINUX) |
| personality = PER_LINUX32; |
| ret = sys_personality(personality); |
| if (ret == PER_LINUX32) |
| ret = PER_LINUX; |
| return ret; |
| } |
| |
| /* ustat compatibility */ |
| struct ustat32 { |
| compat_daddr_t f_tfree; |
| compat_ino_t f_tinode; |
| char f_fname[6]; |
| char f_fpack[6]; |
| }; |
| |
| extern asmlinkage long sys_ustat(dev_t dev, struct ustat __user * ubuf); |
| |
| asmlinkage int sys32_ustat(dev_t dev, struct ustat32 __user * ubuf32) |
| { |
| int err; |
| struct ustat tmp; |
| struct ustat32 tmp32; |
| mm_segment_t old_fs = get_fs(); |
| |
| set_fs(KERNEL_DS); |
| err = sys_ustat(dev, (struct ustat __user *)&tmp); |
| set_fs (old_fs); |
| |
| if (err) |
| goto out; |
| |
| memset(&tmp32,0,sizeof(struct ustat32)); |
| tmp32.f_tfree = tmp.f_tfree; |
| tmp32.f_tinode = tmp.f_tinode; |
| |
| err = copy_to_user(ubuf32,&tmp32,sizeof(struct ustat32)) ? -EFAULT : 0; |
| |
| out: |
| return err; |
| } |
| |
| 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 ? (off_t __user *)&of : NULL, count); |
| set_fs(old_fs); |
| |
| if (offset && put_user(of, offset)) |
| return -EFAULT; |
| |
| return ret; |
| } |
| |
| asmlinkage ssize_t sys32_readahead(int fd, u32 pad0, u64 a2, u64 a3, |
| size_t count) |
| { |
| 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), |
| AL(3),AL(3),AL(4),AL(4),AL(4),AL(6), |
| AL(6),AL(2),AL(5),AL(5),AL(3),AL(3)}; |
| #undef AL |
| |
| /* |
| * 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. |
| */ |
| |
| asmlinkage long sys32_socketcall(int call, unsigned int __user *args32) |
| { |
| unsigned int a[6]; |
| unsigned int a0,a1; |
| int err; |
| |
| extern asmlinkage long sys_socket(int family, int type, int protocol); |
| extern asmlinkage long sys_bind(int fd, struct sockaddr __user *umyaddr, int addrlen); |
| extern asmlinkage long sys_connect(int fd, struct sockaddr __user *uservaddr, int addrlen); |
| extern asmlinkage long sys_listen(int fd, int backlog); |
| extern asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen); |
| extern asmlinkage long sys_getsockname(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len); |
| extern asmlinkage long sys_getpeername(int fd, struct sockaddr __user *usockaddr, int __user *usockaddr_len); |
| extern asmlinkage long sys_socketpair(int family, int type, int protocol, int __user *usockvec); |
| extern asmlinkage long sys_send(int fd, void __user * buff, size_t len, unsigned flags); |
| extern asmlinkage long sys_sendto(int fd, void __user * buff, size_t len, unsigned flags, |
| struct sockaddr __user *addr, int addr_len); |
| extern asmlinkage long sys_recv(int fd, void __user * ubuf, size_t size, unsigned flags); |
| extern asmlinkage long sys_recvfrom(int fd, void __user * ubuf, size_t size, unsigned flags, |
| 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 __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); |
| |
| |
| if(call<1||call>SYS_RECVMSG) |
| return -EINVAL; |
| |
| /* 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) |
| { |
| case SYS_SOCKET: |
| err = sys_socket(a0,a1,a[2]); |
| break; |
| case SYS_BIND: |
| err = sys_bind(a0,(struct sockaddr __user *)A(a1), a[2]); |
| break; |
| case SYS_CONNECT: |
| err = sys_connect(a0, (struct sockaddr __user *)A(a1), a[2]); |
| break; |
| case SYS_LISTEN: |
| err = sys_listen(a0,a1); |
| break; |
| case SYS_ACCEPT: |
| err = sys_accept(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2])); |
| break; |
| case SYS_GETSOCKNAME: |
| err = sys_getsockname(a0,(struct sockaddr __user *)A(a1), (int __user *)A(a[2])); |
| break; |
| case SYS_GETPEERNAME: |
| err = sys_getpeername(a0, (struct sockaddr __user *)A(a1), (int __user *)A(a[2])); |
| break; |
| case SYS_SOCKETPAIR: |
| err = sys_socketpair(a0,a1, a[2], (int __user *)A(a[3])); |
| break; |
| case SYS_SEND: |
| err = sys_send(a0, (void __user *)A(a1), a[2], a[3]); |
| break; |
| case SYS_SENDTO: |
| err = sys_sendto(a0,(void __user *)A(a1), a[2], a[3], |
| (struct sockaddr __user *)A(a[4]), a[5]); |
| break; |
| case SYS_RECV: |
| err = sys_recv(a0, (void __user *)A(a1), a[2], a[3]); |
| break; |
| case SYS_RECVFROM: |
| err = sys_recvfrom(a0, (void __user *)A(a1), a[2], a[3], |
| (struct sockaddr __user *)A(a[4]), (int __user *)A(a[5])); |
| break; |
| case SYS_SHUTDOWN: |
| err = sys_shutdown(a0,a1); |
| break; |
| case SYS_SETSOCKOPT: |
| err = sys_setsockopt(a0, a1, a[2], (char __user *)A(a[3]), a[4]); |
| break; |
| case SYS_GETSOCKOPT: |
| err = sys_getsockopt(a0, a1, a[2], (char __user *)A(a[3]), (int __user *)A(a[4])); |
| break; |
| case SYS_SENDMSG: |
| err = sys_sendmsg(a0, (struct msghdr __user *) A(a1), a[2]); |
| break; |
| case SYS_RECVMSG: |
| err = sys_recvmsg(a0, (struct msghdr __user *) A(a1), a[2]); |
| break; |
| default: |
| err = -EINVAL; |
| break; |
| } |
| 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, ®s, 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)); |
| } |