#include <asm/mmu_context.h>
#include <asm/compat_signal.h>
-asmlinkage long sys32_chown16(const char __user * filename, u16 user, u16 group)
-{
- return sys_chown(filename, low2highuid(user), low2highgid(group));
-}
-
-asmlinkage long sys32_lchown16(const char __user * filename, u16 user, u16 group)
-{
- return sys_lchown(filename, low2highuid(user), low2highgid(group));
-}
-
-asmlinkage long sys32_fchown16(unsigned int fd, u16 user, u16 group)
-{
- return sys_fchown(fd, low2highuid(user), low2highgid(group));
-}
-
-asmlinkage long sys32_setregid16(u16 rgid, u16 egid)
-{
- return sys_setregid(low2highgid(rgid), low2highgid(egid));
-}
-
-asmlinkage long sys32_setgid16(u16 gid)
-{
- return sys_setgid((gid_t)gid);
-}
-
-asmlinkage long sys32_setreuid16(u16 ruid, u16 euid)
-{
- return sys_setreuid(low2highuid(ruid), low2highuid(euid));
-}
-
-asmlinkage long sys32_setuid16(u16 uid)
-{
- return sys_setuid((uid_t)uid);
-}
-
-asmlinkage long sys32_setresuid16(u16 ruid, u16 euid, u16 suid)
-{
- return sys_setresuid(low2highuid(ruid), low2highuid(euid),
- low2highuid(suid));
-}
-
-asmlinkage long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid)
-{
- int retval;
-
- if (!(retval = put_user(high2lowuid(current->uid), ruid)) &&
- !(retval = put_user(high2lowuid(current->euid), euid)))
- retval = put_user(high2lowuid(current->suid), suid);
-
- return retval;
-}
-
-asmlinkage long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid)
-{
- return sys_setresgid(low2highgid(rgid), low2highgid(egid),
- low2highgid(sgid));
-}
-
-asmlinkage long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid)
-{
- int retval;
-
- if (!(retval = put_user(high2lowgid(current->gid), rgid)) &&
- !(retval = put_user(high2lowgid(current->egid), egid)))
- retval = put_user(high2lowgid(current->sgid), sgid);
-
- return retval;
-}
-
-asmlinkage long sys32_setfsuid16(u16 uid)
-{
- return sys_setfsuid((uid_t)uid);
-}
-
-asmlinkage long sys32_setfsgid16(u16 gid)
-{
- return sys_setfsgid((gid_t)gid);
-}
-
-static int groups16_to_user(u16 __user *grouplist, struct group_info *group_info)
-{
- int i;
- u16 group;
-
- for (i = 0; i < group_info->ngroups; i++) {
- group = (u16)GROUP_AT(group_info, i);
- if (put_user(group, grouplist+i))
- return -EFAULT;
- }
-
- return 0;
-}
-
-static int groups16_from_user(struct group_info *group_info, u16 __user *grouplist)
-{
- int i;
- u16 group;
-
- for (i = 0; i < group_info->ngroups; i++) {
- if (get_user(group, grouplist+i))
- return -EFAULT;
- GROUP_AT(group_info, i) = (gid_t)group;
- }
-
- return 0;
-}
-
-asmlinkage long sys32_getgroups16(int gidsetsize, u16 __user *grouplist)
-{
- int i;
-
- if (gidsetsize < 0)
- return -EINVAL;
-
- get_group_info(current->group_info);
- i = current->group_info->ngroups;
- if (gidsetsize) {
- if (i > gidsetsize) {
- i = -EINVAL;
- goto out;
- }
- if (groups16_to_user(grouplist, current->group_info)) {
- i = -EFAULT;
- goto out;
- }
- }
-out:
- put_group_info(current->group_info);
- return i;
-}
-
-asmlinkage long sys32_setgroups16(int gidsetsize, u16 __user *grouplist)
-{
- struct group_info *group_info;
- int retval;
-
- if (!capable(CAP_SETGID))
- return -EPERM;
- if ((unsigned)gidsetsize > NGROUPS_MAX)
- return -EINVAL;
-
- group_info = groups_alloc(gidsetsize);
- if (!group_info)
- return -ENOMEM;
- retval = groups16_from_user(group_info, grouplist);
- if (retval) {
- put_group_info(group_info);
- return retval;
- }
-
- retval = set_current_groups(group_info);
- put_group_info(group_info);
-
- return retval;
-}
-
-asmlinkage long sys32_getuid16(void)
-{
- return high2lowuid(current->uid);
-}
-
-asmlinkage long sys32_geteuid16(void)
-{
- return high2lowuid(current->euid);
-}
-
-asmlinkage long sys32_getgid16(void)
-{
- return high2lowgid(current->gid);
-}
-
-asmlinkage long sys32_getegid16(void)
-{
- return high2lowgid(current->egid);
-}
-
/* 32-bit timeval and related flotsam. */
static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
return sys_ftruncate(fd, (high << 32) | low);
}
-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);
- err |= put_user(stat->nlink, &statbuf->st_nlink);
- err |= put_user(high2lowuid(stat->uid), &statbuf->st_uid);
- err |= put_user(high2lowgid(stat->gid), &statbuf->st_gid);
- err |= put_user(old_encode_dev(stat->rdev), &statbuf->st_rdev);
- err |= put_user(stat->size, &statbuf->st_size);
- err |= put_user(stat->atime.tv_sec, &statbuf->st_atime);
- err |= put_user(stat->atime.tv_nsec, &statbuf->st_atime_nsec);
- err |= put_user(stat->mtime.tv_sec, &statbuf->st_mtime);
- err |= put_user(stat->mtime.tv_nsec, &statbuf->st_mtime_nsec);
- err |= put_user(stat->ctime.tv_sec, &statbuf->st_ctime);
- err |= put_user(stat->ctime.tv_nsec, &statbuf->st_ctime_nsec);
- err |= put_user(stat->blksize, &statbuf->st_blksize);
- err |= put_user(stat->blocks, &statbuf->st_blocks);
- err |= put_user(0, &statbuf->__unused4[0]);
- err |= put_user(0, &statbuf->__unused4[1]);
-
- return err;
-}
-
static int cp_compat_stat64(struct kstat *stat,
struct compat_stat64 __user *statbuf)
{
return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
}
-/* These are here just in case some old sparc32 binary calls it. */
-asmlinkage long sys32_pause(void)
-{
- current->state = TASK_INTERRUPTIBLE;
- schedule();
- return -ERESTARTNOHAND;
-}
-
asmlinkage compat_ssize_t sys32_pread64(unsigned int fd,
char __user *ubuf,
compat_size_t count,
projects / linux-2.6-omap-h63xx.git / blobdiff