X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsparc64%2Fkernel%2Fsys_sparc32.c;h=adea32ee5d351dd6ecfeb0f9165fe4dcb88f69fc;hb=refs%2Fheads%2Fvserver;hp=1d3aa588df8a5a8466113947ae3d3102c021c1e1;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c index 1d3aa588d..adea32ee5 100644 --- a/arch/sparc64/kernel/sys_sparc32.c +++ b/arch/sparc64/kernel/sys_sparc32.c @@ -8,9 +8,9 @@ * environment. */ -#include #include #include +#include #include #include #include @@ -18,7 +18,6 @@ #include #include #include -#include #include #include #include @@ -61,6 +60,8 @@ #include #include #include +#include +#include asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group) { @@ -337,12 +338,17 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf) { + compat_ino_t ino; int err; if (stat->size > MAX_NON_LFS || !old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev)) return -EOVERFLOW; + ino = stat->ino; + if (sizeof(ino) < sizeof(stat->ino) && ino != stat->ino) + return -EOVERFLOW; + err = put_user(old_encode_dev(stat->dev), &statbuf->st_dev); err |= put_user(stat->ino, &statbuf->st_ino); err |= put_user(stat->mode, &statbuf->st_mode); @@ -427,6 +433,27 @@ asmlinkage long compat_sys_fstat64(unsigned int fd, return error; } +asmlinkage long compat_sys_fstatat64(unsigned int dfd, char __user *filename, + struct compat_stat64 __user * statbuf, int flag) +{ + struct kstat stat; + int error = -EINVAL; + + if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0) + goto out; + + if (flag & AT_SYMLINK_NOFOLLOW) + error = vfs_lstat_fd(dfd, filename, &stat); + else + error = vfs_stat_fd(dfd, filename, &stat); + + if (!error) + error = cp_compat_stat64(&stat, statbuf); + +out: + return error; +} + asmlinkage long compat_sys_sysfs(int option, u32 arg1, u32 arg2) { return sys_sysfs(option, arg1, arg2); @@ -719,9 +746,6 @@ asmlinkage long sparc32_execve(struct pt_regs *regs) current_thread_info()->xfsr[0] = 0; current_thread_info()->fpsaved[0] = 0; regs->tstate &= ~TSTATE_PEF; - task_lock(current); - current->ptrace &= ~PT_DTRACE; - task_unlock(current); } out: return error; @@ -766,7 +790,7 @@ asmlinkage long sys32_gettimeofday(struct compat_timeval __user *tv, { if (tv) { struct timeval ktv; - do_gettimeofday(&ktv); + vx_gettimeofday(&ktv); if (put_tv32(tv, &ktv)) return -EFAULT; } @@ -820,7 +844,7 @@ asmlinkage long sys32_utimes(char __user *filename, return -EFAULT; } - return do_utimes(filename, (tvs ? &ktvs[0] : NULL)); + return do_utimes(AT_FDCWD, filename, (tvs ? &ktvs[0] : NULL)); } /* These are here just in case some old sparc32 binary calls it. */ @@ -922,79 +946,6 @@ asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, return ret; } -/* 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 long sys32_adjtimex(struct timex32 __user *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; -} - /* This is just a version for 32-bit applications which does * not force O_LARGEFILE on. */ @@ -1002,29 +953,7 @@ asmlinkage long sys32_adjtimex(struct timex32 __user *utp) asmlinkage long sparc32_open(const char __user *filename, int flags, int mode) { - char * tmp; - int fd, error; - - tmp = getname(filename); - fd = PTR_ERR(tmp); - if (!IS_ERR(tmp)) { - fd = get_unused_fd(); - if (fd >= 0) { - struct file * f = filp_open(tmp, flags, mode); - error = PTR_ERR(f); - if (IS_ERR(f)) - goto out_error; - fd_install(fd, f); - } -out: - putname(tmp); - } - return fd; - -out_error: - put_unused_fd(fd); - fd = error; - goto out; + return do_sys_open(AT_FDCWD, filename, flags, mode); } extern unsigned long do_mremap(unsigned long addr, @@ -1039,15 +968,15 @@ asmlinkage unsigned long sys32_mremap(unsigned long addr, unsigned long ret = -EINVAL; unsigned long new_addr = __new_addr; - if (old_len > 0xf0000000UL || new_len > 0xf0000000UL) + if (old_len > STACK_TOP32 || new_len > STACK_TOP32) goto out; - if (addr > 0xf0000000UL - old_len) + if (addr > STACK_TOP32 - old_len) goto out; down_write(¤t->mm->mmap_sem); if (flags & MREMAP_FIXED) { - if (new_addr > 0xf0000000UL - new_len) + if (new_addr > STACK_TOP32 - new_len) goto out_sem; - } else if (addr > 0xf0000000UL - new_len) { + } else if (addr > STACK_TOP32 - new_len) { unsigned long map_flags = 0; struct file *file = NULL; @@ -1090,7 +1019,7 @@ struct __sysctl_args32 { asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args) { -#ifndef CONFIG_SYSCTL +#ifndef CONFIG_SYSCTL_SYSCALL return -ENOSYS; #else struct __sysctl_args32 tmp; @@ -1143,38 +1072,10 @@ long sys32_lookup_dcookie(unsigned long cookie_high, buf, len); } -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 compat_sigevent __user *se32, - timer_t __user *timer_id) +long compat_sync_file_range(int fd, unsigned long off_high, unsigned long off_low, unsigned long nb_high, unsigned long nb_low, int flags) { - struct sigevent se; - mm_segment_t oldfs; - timer_t t; - long err; - - if (se32 == NULL) - return sys_timer_create(clock, NULL, timer_id); - - if (get_compat_sigevent(&se, se32)) - return -EFAULT; - - if (!access_ok(VERIFY_WRITE,timer_id,sizeof(timer_t))) - return -EFAULT; - - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_timer_create(clock, - (struct sigevent __user *) &se, - (timer_t __user *) &t); - set_fs(oldfs); - - if (!err) - err = __put_user (t, timer_id); - - return err; + return sys_sync_file_range(fd, + (off_high << 32) | off_low, + (nb_high << 32) | nb_low, + flags); }