1 /* $Id: sys_sunos32.c,v 1.64 2002/02/09 19:49:31 davem Exp $
2 * sys_sunos32.c: SunOS binary compatibility layer on sparc64.
4 * Copyright (C) 1995, 1996, 1997 David S. Miller (davem@caip.rutgers.edu)
5 * Copyright (C) 1995 Miguel de Icaza (miguel@nuclecu.unam.mx)
7 * Based upon preliminary work which is:
9 * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
12 #include <linux/kernel.h>
13 #include <linux/sched.h>
14 #include <linux/types.h>
15 #include <linux/compat.h>
16 #include <linux/mman.h>
18 #include <linux/swap.h>
20 #include <linux/file.h>
21 #include <linux/resource.h>
22 #include <linux/ipc.h>
23 #include <linux/shm.h>
24 #include <linux/msg.h>
25 #include <linux/sem.h>
26 #include <linux/signal.h>
27 #include <linux/uio.h>
28 #include <linux/utsname.h>
29 #include <linux/major.h>
30 #include <linux/stat.h>
31 #include <linux/slab.h>
32 #include <linux/pagemap.h>
33 #include <linux/errno.h>
34 #include <linux/smp.h>
35 #include <linux/smp_lock.h>
36 #include <linux/syscalls.h>
38 #include <asm/uaccess.h>
40 #include <asm/pgtable.h>
41 #include <asm/pconf.h>
42 #include <asm/idprom.h> /* for gethostid() */
43 #include <asm/unistd.h>
44 #include <asm/system.h>
46 /* For the nfs mount emulation */
47 #include <linux/socket.h>
49 #include <linux/nfs.h>
50 #include <linux/nfs2.h>
51 #include <linux/nfs_mount.h>
53 /* for sunos_select */
54 #include <linux/time.h>
55 #include <linux/personality.h>
58 #include <linux/socket.h>
60 #include <net/compat.h>
62 #define SUNOS_NR_OPEN 256
64 asmlinkage u32 sunos_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u32 off)
66 struct file *file = NULL;
67 unsigned long retval, ret_type;
69 if (flags & MAP_NORESERVE) {
72 printk("%s: unimplemented SunOS MAP_NORESERVE mmap() flag\n",
74 flags &= ~MAP_NORESERVE;
77 if (!(flags & MAP_ANONYMOUS)) {
79 if (fd >= SUNOS_NR_OPEN)
84 inode = file->f_dentry->d_inode;
85 if (imajor(inode) == MEM_MAJOR && iminor(inode) == 5) {
86 flags |= MAP_ANONYMOUS;
93 if (!(flags & MAP_FIXED))
95 else if (len > 0xf0000000 || addr > 0xf0000000 - len)
97 ret_type = flags & _MAP_NEW;
100 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
101 down_write(¤t->mm->mmap_sem);
102 retval = do_mmap(file,
103 (unsigned long) addr, (unsigned long) len,
104 (unsigned long) prot, (unsigned long) flags,
105 (unsigned long) off);
106 up_write(¤t->mm->mmap_sem);
108 retval = ((retval < 0xf0000000) ? 0 : retval);
116 asmlinkage int sunos_mctl(u32 addr, u32 len, int function, u32 arg)
121 asmlinkage int sunos_brk(u32 baddr)
123 int freepages, retval = -ENOMEM;
125 unsigned long newbrk, oldbrk, brk = (unsigned long) baddr;
127 down_write(¤t->mm->mmap_sem);
128 if (brk < current->mm->end_code)
130 newbrk = PAGE_ALIGN(brk);
131 oldbrk = PAGE_ALIGN(current->mm->brk);
133 if (oldbrk == newbrk) {
134 current->mm->brk = brk;
137 /* Always allow shrinking brk. */
138 if (brk <= current->mm->brk) {
139 current->mm->brk = brk;
140 do_munmap(current->mm, newbrk, oldbrk-newbrk);
143 /* Check against rlimit and stack.. */
145 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
146 if (rlim >= RLIM_INFINITY)
148 if (brk - current->mm->end_code > rlim)
150 /* Check against existing mmap mappings. */
151 if (find_vma_intersection(current->mm, oldbrk, newbrk+PAGE_SIZE))
153 /* stupid algorithm to decide if we have enough memory: while
154 * simple, it hopefully works in most obvious cases.. Easy to
155 * fool it, but this should catch most mistakes.
157 freepages = get_page_cache_size();
159 freepages += nr_free_pages();
160 freepages += nr_swap_pages;
161 freepages -= num_physpages >> 4;
162 freepages -= (newbrk-oldbrk) >> PAGE_SHIFT;
165 /* Ok, we have probably got enough memory - let it rip. */
166 current->mm->brk = brk;
167 do_brk(oldbrk, newbrk-oldbrk);
170 up_write(¤t->mm->mmap_sem);
174 asmlinkage u32 sunos_sbrk(int increment)
178 /* This should do it hopefully... */
179 oldbrk = (int)current->mm->brk;
180 error = sunos_brk(((int) current->mm->brk) + increment);
186 asmlinkage u32 sunos_sstk(int increment)
188 printk("%s: Call to sunos_sstk(increment<%d>) is unsupported\n",
189 current->comm, increment);
194 /* Give hints to the kernel as to what paging strategy to use...
195 * Completely bogus, don't remind me.
197 #define VA_NORMAL 0 /* Normal vm usage expected */
198 #define VA_ABNORMAL 1 /* Abnormal/random vm usage probable */
199 #define VA_SEQUENTIAL 2 /* Accesses will be of a sequential nature */
200 #define VA_INVALIDATE 3 /* Page table entries should be flushed ??? */
201 static char *vstrings[] = {
208 asmlinkage void sunos_vadvise(u32 strategy)
212 /* I wanna see who uses this... */
214 printk("%s: Advises us to use %s paging strategy\n",
216 strategy <= 3 ? vstrings[strategy] : "BOGUS");
219 /* This just wants the soft limit (ie. rlim_cur element) of the RLIMIT_NOFILE
220 * resource limit and is for backwards compatibility with older sunos
223 asmlinkage int sunos_getdtablesize(void)
225 return SUNOS_NR_OPEN;
229 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
231 asmlinkage u32 sunos_sigblock(u32 blk_mask)
235 spin_lock_irq(¤t->sighand->siglock);
236 old = (u32) current->blocked.sig[0];
237 current->blocked.sig[0] |= (blk_mask & _BLOCKABLE);
239 spin_unlock_irq(¤t->sighand->siglock);
243 asmlinkage u32 sunos_sigsetmask(u32 newmask)
247 spin_lock_irq(¤t->sighand->siglock);
248 retval = (u32) current->blocked.sig[0];
249 current->blocked.sig[0] = (newmask & _BLOCKABLE);
251 spin_unlock_irq(¤t->sighand->siglock);
255 /* SunOS getdents is very similar to the newer Linux (iBCS2 compliant) */
256 /* getdents system call, the format of the structure just has a different */
257 /* layout (d_off+d_ino instead of d_ino+d_off) */
258 struct sunos_dirent {
266 struct sunos_dirent_callback {
267 struct sunos_dirent __user *curr;
268 struct sunos_dirent __user *previous;
273 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
274 #define ROUND_UP(x) (((x)+sizeof(s32)-1) & ~(sizeof(s32)-1))
276 static int sunos_filldir(void * __buf, const char * name, int namlen,
277 loff_t offset, ino_t ino, unsigned int d_type)
279 struct sunos_dirent __user *dirent;
280 struct sunos_dirent_callback * buf = (struct sunos_dirent_callback *) __buf;
281 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
283 buf->error = -EINVAL; /* only used if we fail.. */
284 if (reclen > buf->count)
286 dirent = buf->previous;
288 put_user(offset, &dirent->d_off);
290 buf->previous = dirent;
291 put_user(ino, &dirent->d_ino);
292 put_user(namlen, &dirent->d_namlen);
293 put_user(reclen, &dirent->d_reclen);
294 if (copy_to_user(dirent->d_name, name, namlen))
296 put_user(0, dirent->d_name + namlen);
297 dirent = (void __user *) dirent + reclen;
299 buf->count -= reclen;
303 asmlinkage int sunos_getdents(unsigned int fd, void __user *dirent, int cnt)
306 struct sunos_dirent __user *lastdirent;
307 struct sunos_dirent_callback buf;
310 if (fd >= SUNOS_NR_OPEN)
318 if (cnt < (sizeof(struct sunos_dirent) + 255))
321 buf.curr = (struct sunos_dirent __user *) dirent;
326 error = vfs_readdir(file, sunos_filldir, &buf);
330 lastdirent = buf.previous;
333 put_user(file->f_pos, &lastdirent->d_off);
334 error = cnt - buf.count;
343 /* Old sunos getdirentries, severely broken compatibility stuff here. */
344 struct sunos_direntry {
351 struct sunos_direntry_callback {
352 struct sunos_direntry __user *curr;
353 struct sunos_direntry __user *previous;
358 static int sunos_filldirentry(void * __buf, const char * name, int namlen,
359 loff_t offset, ino_t ino, unsigned int d_type)
361 struct sunos_direntry __user *dirent;
362 struct sunos_direntry_callback * buf =
363 (struct sunos_direntry_callback *) __buf;
364 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
366 buf->error = -EINVAL; /* only used if we fail.. */
367 if (reclen > buf->count)
369 dirent = buf->previous;
371 buf->previous = dirent;
372 put_user(ino, &dirent->d_ino);
373 put_user(namlen, &dirent->d_namlen);
374 put_user(reclen, &dirent->d_reclen);
375 if (copy_to_user(dirent->d_name, name, namlen))
377 put_user(0, dirent->d_name + namlen);
378 dirent = (void __user *) dirent + reclen;
380 buf->count -= reclen;
384 asmlinkage int sunos_getdirentries(unsigned int fd,
387 unsigned int __user *basep)
390 struct sunos_direntry __user *lastdirent;
392 struct sunos_direntry_callback buf;
394 if (fd >= SUNOS_NR_OPEN)
402 if (cnt < (sizeof(struct sunos_direntry) + 255))
405 buf.curr = (struct sunos_direntry __user *) dirent;
410 error = vfs_readdir(file, sunos_filldirentry, &buf);
414 lastdirent = buf.previous;
417 put_user(file->f_pos, basep);
418 error = cnt - buf.count;
427 struct sunos_utsname {
436 asmlinkage int sunos_uname(struct sunos_utsname __user *name)
441 ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0],
442 sizeof(name->sname) - 1);
443 ret |= copy_to_user(&name->nname[0], &system_utsname.nodename[0],
444 sizeof(name->nname) - 1);
445 ret |= put_user('\0', &name->nname[8]);
446 ret |= copy_to_user(&name->rel[0], &system_utsname.release[0],
447 sizeof(name->rel) - 1);
448 ret |= copy_to_user(&name->ver[0], &system_utsname.version[0],
449 sizeof(name->ver) - 1);
450 ret |= copy_to_user(&name->mach[0], &system_utsname.machine[0],
451 sizeof(name->mach) - 1);
453 return (ret ? -EFAULT : 0);
456 asmlinkage int sunos_nosys(void)
458 struct pt_regs *regs;
462 regs = current_thread_info()->kregs;
463 if (test_thread_flag(TIF_32BIT)) {
464 regs->tpc &= 0xffffffff;
465 regs->tnpc &= 0xffffffff;
467 info.si_signo = SIGSYS;
469 info.si_code = __SI_FAULT|0x100;
470 info.si_addr = (void __user *)regs->tpc;
471 info.si_trapno = regs->u_regs[UREG_G1];
472 send_sig_info(SIGSYS, &info, current);
474 printk("Process makes ni_syscall number %d, register dump:\n",
475 (int) regs->u_regs[UREG_G1]);
481 /* This is not a real and complete implementation yet, just to keep
482 * the easy SunOS binaries happy.
484 asmlinkage int sunos_fpathconf(int fd, int name)
507 case _PCONF_CHRESTRICT: /* XXX Investigate XXX */
510 case _PCONF_NOTRUNC: /* XXX Investigate XXX */
511 case _PCONF_VDISABLE:
521 asmlinkage int sunos_pathconf(u32 u_path, int name)
525 ret = sunos_fpathconf(0, name); /* XXX cheese XXX */
529 asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x)
533 /* SunOS binaries expect that select won't change the tvp contents */
534 ret = compat_sys_select(width, compat_ptr(inp), compat_ptr(outp),
535 compat_ptr(exp), compat_ptr(tvp_x));
536 if (ret == -EINTR && tvp_x) {
537 struct compat_timeval __user *tvp = compat_ptr(tvp_x);
540 __get_user(sec, &tvp->tv_sec);
541 __get_user(usec, &tvp->tv_usec);
542 if (sec == 0 && usec == 0)
548 asmlinkage void sunos_nop(void)
553 #if 0 /* This code doesn't translate user pointers correctly,
554 * disable for now. -DaveM
557 /* XXXXXXXXXX SunOS mount/umount. XXXXXXXXXXX */
558 #define SMNT_RDONLY 1
559 #define SMNT_NOSUID 2
560 #define SMNT_NEWTYPE 4
562 #define SMNT_REMOUNT 16
563 #define SMNT_NOSUB 32
564 #define SMNT_MULTI 64
565 #define SMNT_SYS5 128
568 char fh_data [NFS_FHSIZE];
571 struct sunos_nfs_mount_args {
572 struct sockaddr_in *addr; /* file server address */
573 struct nfs_fh *fh; /* File handle to be mounted */
574 int flags; /* flags */
575 int wsize; /* write size in bytes */
576 int rsize; /* read size in bytes */
577 int timeo; /* initial timeout in .1 secs */
578 int retrans; /* times to retry send */
579 char *hostname; /* server's hostname */
580 int acregmin; /* attr cache file min secs */
581 int acregmax; /* attr cache file max secs */
582 int acdirmin; /* attr cache dir min secs */
583 int acdirmax; /* attr cache dir max secs */
584 char *netname; /* server's netname */
588 /* Bind the socket on a local reserved port and connect it to the
589 * remote server. This on Linux/i386 is done by the mount program,
592 /* XXXXXXXXXXXXXXXXXXXX */
594 sunos_nfs_get_server_fd (int fd, struct sockaddr_in *addr)
596 struct sockaddr_in local;
597 struct sockaddr_in server;
600 struct socket *socket;
608 inode = file->f_dentry->d_inode;
610 socket = SOCKET_I(inode);
611 local.sin_family = AF_INET;
612 local.sin_addr.s_addr = INADDR_ANY;
614 /* IPPORT_RESERVED = 1024, can't find the definition in the kernel */
617 local.sin_port = htons (--try_port);
618 ret = socket->ops->bind(socket, (struct sockaddr*)&local,
620 } while (ret && try_port > (1024 / 2));
627 server.sin_family = AF_INET;
628 server.sin_addr = addr->sin_addr;
629 server.sin_port = NFS_PORT;
631 /* Call sys_connect */
632 ret = socket->ops->connect (socket, (struct sockaddr *) &server,
633 sizeof (server), file->f_flags);
640 /* XXXXXXXXXXXXXXXXXXXX */
641 static int get_default (int value, int def_value)
649 /* XXXXXXXXXXXXXXXXXXXX */
650 static int sunos_nfs_mount(char *dir_name, int linux_flags, void __user *data)
653 char *the_name, *mount_page;
654 struct nfs_mount_data linux_nfs_mount;
655 struct sunos_nfs_mount_args sunos_mount;
657 /* Ok, here comes the fun part: Linux's nfs mount needs a
658 * socket connection to the server, but SunOS mount does not
659 * require this, so we use the information on the destination
660 * address to create a socket and bind it to a reserved
661 * port on this system
663 if (copy_from_user(&sunos_mount, data, sizeof(sunos_mount)))
666 server_fd = sys_socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
670 if (copy_from_user(&linux_nfs_mount.addr, sunos_mount.addr,
671 sizeof(*sunos_mount.addr)) ||
672 copy_from_user(&linux_nfs_mount.root, sunos_mount.fh,
673 sizeof(*sunos_mount.fh))) {
674 sys_close (server_fd);
678 if (!sunos_nfs_get_server_fd (server_fd, &linux_nfs_mount.addr)){
679 sys_close (server_fd);
683 /* Now, bind it to a locally reserved port */
684 linux_nfs_mount.version = NFS_MOUNT_VERSION;
685 linux_nfs_mount.flags = sunos_mount.flags;
686 linux_nfs_mount.fd = server_fd;
688 linux_nfs_mount.rsize = get_default (sunos_mount.rsize, 8192);
689 linux_nfs_mount.wsize = get_default (sunos_mount.wsize, 8192);
690 linux_nfs_mount.timeo = get_default (sunos_mount.timeo, 10);
691 linux_nfs_mount.retrans = sunos_mount.retrans;
693 linux_nfs_mount.acregmin = sunos_mount.acregmin;
694 linux_nfs_mount.acregmax = sunos_mount.acregmax;
695 linux_nfs_mount.acdirmin = sunos_mount.acdirmin;
696 linux_nfs_mount.acdirmax = sunos_mount.acdirmax;
698 the_name = getname(sunos_mount.hostname);
699 if (IS_ERR(the_name))
700 return PTR_ERR(the_name);
702 strlcpy(linux_nfs_mount.hostname, the_name,
703 sizeof(linux_nfs_mount.hostname));
706 mount_page = (char *) get_zeroed_page(GFP_KERNEL);
710 memcpy(mount_page, &linux_nfs_mount, sizeof(linux_nfs_mount));
712 err = do_mount("", dir_name, "nfs", linux_flags, mount_page);
714 free_page((unsigned long) mount_page);
718 /* XXXXXXXXXXXXXXXXXXXX */
720 sunos_mount(char *type, char *dir, int flags, void *data)
725 char *dir_page, *type_page;
727 if (!capable (CAP_SYS_ADMIN))
730 /* We don't handle the integer fs type */
731 if ((flags & SMNT_NEWTYPE) == 0)
734 /* Do not allow for those flags we don't support */
735 if (flags & (SMNT_GRPID|SMNT_NOSUB|SMNT_MULTI|SMNT_SYS5))
738 if (flags & SMNT_REMOUNT)
739 linux_flags |= MS_REMOUNT;
740 if (flags & SMNT_RDONLY)
741 linux_flags |= MS_RDONLY;
742 if (flags & SMNT_NOSUID)
743 linux_flags |= MS_NOSUID;
745 dir_page = getname(dir);
746 ret = PTR_ERR(dir_page);
747 if (IS_ERR(dir_page))
750 type_page = getname(type);
751 ret = PTR_ERR(type_page);
752 if (IS_ERR(type_page))
755 if (strcmp(type_page, "ext2") == 0) {
756 dev_fname = getname(data);
757 } else if (strcmp(type_page, "iso9660") == 0) {
758 dev_fname = getname(data);
759 } else if (strcmp(type_page, "minix") == 0) {
760 dev_fname = getname(data);
761 } else if (strcmp(type_page, "nfs") == 0) {
762 ret = sunos_nfs_mount (dir_page, flags, data);
764 } else if (strcmp(type_page, "ufs") == 0) {
765 printk("Warning: UFS filesystem mounts unsupported.\n");
768 } else if (strcmp(type_page, "proc")) {
772 ret = PTR_ERR(dev_fname);
773 if (IS_ERR(dev_fname))
776 ret = do_mount(dev_fname, dir_page, type_page, linux_flags, NULL);
789 asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid)
794 if ((!pid || pid == current->pid) &&
799 ret = sys_setpgid(pid, pgid);
805 extern long compat_sys_wait4(compat_pid_t, compat_uint_t __user *, int,
806 struct compat_rusage __user *);
808 asmlinkage int sunos_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru)
812 ret = compat_sys_wait4((pid ? pid : ((compat_pid_t)-1)),
813 stat_addr, options, ru);
817 extern int kill_pg(int, int, int);
818 asmlinkage int sunos_killpg(int pgrp, int sig)
820 return kill_pg(pgrp, sig, 0);
823 asmlinkage int sunos_audit(void)
825 printk ("sys_audit\n");
829 asmlinkage u32 sunos_gethostid(void)
833 ret = (((u32)idprom->id_machtype << 24) | ((u32)idprom->id_sernum));
838 /* sysconf options, for SunOS compatibility */
839 #define _SC_ARG_MAX 1
840 #define _SC_CHILD_MAX 2
841 #define _SC_CLK_TCK 3
842 #define _SC_NGROUPS_MAX 4
843 #define _SC_OPEN_MAX 5
844 #define _SC_JOB_CONTROL 6
845 #define _SC_SAVED_IDS 7
846 #define _SC_VERSION 8
848 asmlinkage s32 sunos_sysconf (int name)
857 ret = -1; /* no limit */
862 case _SC_NGROUPS_MAX:
868 case _SC_JOB_CONTROL:
869 ret = 1; /* yes, we do support job control */
872 ret = 1; /* yes, we do support saved uids */
875 /* mhm, POSIX_VERSION is in /usr/include/unistd.h
876 * should it go on /usr/include/linux?
887 asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, void __user *ptr)
894 /* Most arguments match on a 1:1 basis but cmd doesn't */
912 /* value to modify semaphore to */
914 ret = sys_semctl((int)arg1, (int)arg2, (int)arg3, arg4);
918 ret = sys_semget((key_t)arg1, (int)arg2, (int)arg3);
922 ret = sys_semop((int)arg1, (struct sembuf __user *)(unsigned long)arg2,
923 (unsigned int) arg3);
950 struct ipc_perm32 msg_perm;
953 compat_time_t msg_stime;
954 compat_time_t msg_rtime;
955 compat_time_t msg_ctime;
958 unsigned short msg_cbytes;
959 unsigned short msg_qnum;
960 unsigned short msg_qbytes;
961 compat_ipc_pid_t msg_lspid;
962 compat_ipc_pid_t msg_lrpid;
965 static inline int sunos_msqid_get(struct msqid_ds32 __user *user,
966 struct msqid_ds *kern)
968 if (get_user(kern->msg_perm.key, &user->msg_perm.key) ||
969 __get_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
970 __get_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
971 __get_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
972 __get_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
973 __get_user(kern->msg_stime, &user->msg_stime) ||
974 __get_user(kern->msg_rtime, &user->msg_rtime) ||
975 __get_user(kern->msg_ctime, &user->msg_ctime) ||
976 __get_user(kern->msg_ctime, &user->msg_cbytes) ||
977 __get_user(kern->msg_ctime, &user->msg_qnum) ||
978 __get_user(kern->msg_ctime, &user->msg_qbytes) ||
979 __get_user(kern->msg_ctime, &user->msg_lspid) ||
980 __get_user(kern->msg_ctime, &user->msg_lrpid))
985 static inline int sunos_msqid_put(struct msqid_ds32 __user *user,
986 struct msqid_ds *kern)
988 if (put_user(kern->msg_perm.key, &user->msg_perm.key) ||
989 __put_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
990 __put_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
991 __put_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
992 __put_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
993 __put_user(kern->msg_stime, &user->msg_stime) ||
994 __put_user(kern->msg_rtime, &user->msg_rtime) ||
995 __put_user(kern->msg_ctime, &user->msg_ctime) ||
996 __put_user(kern->msg_ctime, &user->msg_cbytes) ||
997 __put_user(kern->msg_ctime, &user->msg_qnum) ||
998 __put_user(kern->msg_ctime, &user->msg_qbytes) ||
999 __put_user(kern->msg_ctime, &user->msg_lspid) ||
1000 __put_user(kern->msg_ctime, &user->msg_lrpid))
1005 static inline int sunos_msgbuf_get(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1007 if (get_user(kern->mtype, &user->mtype) ||
1008 __copy_from_user(kern->mtext, &user->mtext, len))
1013 static inline int sunos_msgbuf_put(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1015 if (put_user(kern->mtype, &user->mtype) ||
1016 __copy_to_user(user->mtext, kern->mtext, len))
1021 asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
1023 struct sparc_stackf32 __user *sp;
1024 struct msqid_ds kds;
1025 struct msgbuf *kmbuf;
1026 mm_segment_t old_fs = get_fs();
1032 rval = sys_msgget((key_t)arg1, (int)arg2);
1035 if (!sunos_msqid_get((struct msqid_ds32 __user *)(unsigned long)arg3, &kds)) {
1037 rval = sys_msgctl((int)arg1, (int)arg2,
1038 (struct msqid_ds __user *)(unsigned long)arg3);
1041 rval = sunos_msqid_put((struct msqid_ds32 __user *)(unsigned long)arg3,
1048 kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
1052 sp = (struct sparc_stackf32 __user *)
1053 (current_thread_info()->kregs->u_regs[UREG_FP] & 0xffffffffUL);
1054 if (get_user(arg5, &sp->xxargs[0])) {
1060 rval = sys_msgrcv((int)arg1, (struct msgbuf __user *) kmbuf,
1062 (long)arg4, (int)arg5);
1065 rval = sunos_msgbuf_put((struct msgbuf32 __user *)(unsigned long)arg2,
1071 kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
1073 if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)(unsigned long)arg2,
1077 rval = sys_msgsnd((int)arg1, (struct msgbuf __user *) kmbuf,
1078 (size_t)arg3, (int)arg4);
1090 struct ipc_perm32 shm_perm;
1092 compat_time_t shm_atime;
1093 compat_time_t shm_dtime;
1094 compat_time_t shm_ctime;
1095 compat_ipc_pid_t shm_cpid;
1096 compat_ipc_pid_t shm_lpid;
1097 unsigned short shm_nattch;
1100 static inline int sunos_shmid_get(struct shmid_ds32 __user *user,
1101 struct shmid_ds *kern)
1103 if (get_user(kern->shm_perm.key, &user->shm_perm.key) ||
1104 __get_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1105 __get_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1106 __get_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1107 __get_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1108 __get_user(kern->shm_segsz, &user->shm_segsz) ||
1109 __get_user(kern->shm_atime, &user->shm_atime) ||
1110 __get_user(kern->shm_dtime, &user->shm_dtime) ||
1111 __get_user(kern->shm_ctime, &user->shm_ctime) ||
1112 __get_user(kern->shm_cpid, &user->shm_cpid) ||
1113 __get_user(kern->shm_lpid, &user->shm_lpid) ||
1114 __get_user(kern->shm_nattch, &user->shm_nattch))
1119 static inline int sunos_shmid_put(struct shmid_ds32 __user *user,
1120 struct shmid_ds *kern)
1122 if (put_user(kern->shm_perm.key, &user->shm_perm.key) ||
1123 __put_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1124 __put_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1125 __put_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1126 __put_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1127 __put_user(kern->shm_segsz, &user->shm_segsz) ||
1128 __put_user(kern->shm_atime, &user->shm_atime) ||
1129 __put_user(kern->shm_dtime, &user->shm_dtime) ||
1130 __put_user(kern->shm_ctime, &user->shm_ctime) ||
1131 __put_user(kern->shm_cpid, &user->shm_cpid) ||
1132 __put_user(kern->shm_lpid, &user->shm_lpid) ||
1133 __put_user(kern->shm_nattch, &user->shm_nattch))
1138 asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3)
1140 struct shmid_ds ksds;
1141 unsigned long raddr;
1142 mm_segment_t old_fs = get_fs();
1147 /* do_shmat(): attach a shared memory area */
1148 rval = do_shmat((int)arg1,(char __user *)(unsigned long)arg2,(int)arg3,&raddr);
1153 /* sys_shmctl(): modify shared memory area attr. */
1154 if (!sunos_shmid_get((struct shmid_ds32 __user *)(unsigned long)arg3, &ksds)) {
1156 rval = sys_shmctl((int) arg1,(int) arg2,
1157 (struct shmid_ds __user *) &ksds);
1160 rval = sunos_shmid_put((struct shmid_ds32 __user *)(unsigned long)arg3,
1166 /* sys_shmdt(): detach a shared memory area */
1167 rval = sys_shmdt((char __user *)(unsigned long)arg1);
1170 /* sys_shmget(): get a shared memory area */
1171 rval = sys_shmget((key_t)arg1,(int)arg2,(int)arg3);
1180 extern asmlinkage long sparc32_open(const char __user * filename, int flags, int mode);
1182 asmlinkage int sunos_open(u32 fname, int flags, int mode)
1184 const char __user *filename = compat_ptr(fname);
1186 return sparc32_open(filename, flags, mode);
1189 #define SUNOS_EWOULDBLOCK 35
1191 /* see the sunos man page read(2v) for an explanation
1192 of this garbage. We use O_NDELAY to mark
1193 file descriptors that have been set non-blocking
1194 using 4.2BSD style calls. (tridge) */
1196 static inline int check_nonblock(int ret, int fd)
1198 if (ret == -EAGAIN) {
1199 struct file * file = fget(fd);
1201 if (file->f_flags & O_NDELAY)
1202 ret = -SUNOS_EWOULDBLOCK;
1209 asmlinkage int sunos_read(unsigned int fd, char __user *buf, u32 count)
1213 ret = check_nonblock(sys_read(fd, buf, count), fd);
1217 asmlinkage int sunos_readv(u32 fd, void __user *vector, s32 count)
1221 ret = check_nonblock(compat_sys_readv(fd, vector, count), fd);
1225 asmlinkage int sunos_write(unsigned int fd, char __user *buf, u32 count)
1229 ret = check_nonblock(sys_write(fd, buf, count), fd);
1233 asmlinkage int sunos_writev(u32 fd, void __user *vector, s32 count)
1237 ret = check_nonblock(compat_sys_writev(fd, vector, count), fd);
1241 asmlinkage int sunos_recv(u32 __fd, void __user *ubuf, int size, unsigned flags)
1243 int ret, fd = (int) __fd;
1245 ret = check_nonblock(sys_recv(fd, ubuf, size, flags), fd);
1249 asmlinkage int sunos_send(u32 __fd, void __user *buff, int len, unsigned flags)
1251 int ret, fd = (int) __fd;
1253 ret = check_nonblock(sys_send(fd, buff, len, flags), fd);
1257 asmlinkage int sunos_accept(u32 __fd, struct sockaddr __user *sa, int __user *addrlen)
1259 int ret, fd = (int) __fd;
1262 ret = check_nonblock(sys_accept(fd, sa, addrlen), fd);
1263 if (ret != -ENETUNREACH && ret != -EHOSTUNREACH)
1269 #define SUNOS_SV_INTERRUPT 2
1271 asmlinkage int sunos_sigaction (int sig,
1272 struct old_sigaction32 __user *act,
1273 struct old_sigaction32 __user *oact)
1275 struct k_sigaction new_ka, old_ka;
1279 compat_old_sigset_t mask;
1282 if (get_user(u_handler, &act->sa_handler) ||
1283 __get_user(new_ka.sa.sa_flags, &act->sa_flags))
1285 new_ka.sa.sa_handler = compat_ptr(u_handler);
1286 __get_user(mask, &act->sa_mask);
1287 new_ka.sa.sa_restorer = NULL;
1288 new_ka.ka_restorer = NULL;
1289 siginitset(&new_ka.sa.sa_mask, mask);
1290 new_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1293 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
1296 old_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1297 if (put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
1298 __put_user(old_ka.sa.sa_flags, &oact->sa_flags))
1300 __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
1306 asmlinkage int sunos_setsockopt(u32 __fd, u32 __level, u32 __optname,
1307 char __user *optval, u32 __optlen)
1309 int fd = (int) __fd;
1310 int level = (int) __level;
1311 int optname = (int) __optname;
1312 int optlen = (int) __optlen;
1313 int tr_opt = optname;
1316 if (level == SOL_IP) {
1317 /* Multicast socketopts (ttl, membership) */
1318 if (tr_opt >=2 && tr_opt <= 6)
1321 ret = sys_setsockopt(fd, level, tr_opt,
1326 asmlinkage int sunos_getsockopt(u32 __fd, u32 __level, u32 __optname,
1327 char __user *optval, int __user *optlen)
1329 int fd = (int) __fd;
1330 int level = (int) __level;
1331 int optname = (int) __optname;
1332 int tr_opt = optname;
1335 if (level == SOL_IP) {
1336 /* Multicast socketopts (ttl, membership) */
1337 if (tr_opt >=2 && tr_opt <= 6)
1340 ret = compat_sys_getsockopt(fd, level, tr_opt,