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/capability.h>
16 #include <linux/compat.h>
17 #include <linux/mman.h>
19 #include <linux/swap.h>
21 #include <linux/file.h>
22 #include <linux/resource.h>
23 #include <linux/ipc.h>
24 #include <linux/shm.h>
25 #include <linux/msg.h>
26 #include <linux/sem.h>
27 #include <linux/signal.h>
28 #include <linux/uio.h>
29 #include <linux/utsname.h>
30 #include <linux/major.h>
31 #include <linux/stat.h>
32 #include <linux/slab.h>
33 #include <linux/pagemap.h>
34 #include <linux/errno.h>
35 #include <linux/smp.h>
36 #include <linux/smp_lock.h>
37 #include <linux/syscalls.h>
39 #include <asm/uaccess.h>
41 #include <asm/pgtable.h>
42 #include <asm/pconf.h>
43 #include <asm/idprom.h> /* for gethostid() */
44 #include <asm/unistd.h>
45 #include <asm/system.h>
46 #include <asm/compat_signal.h>
48 /* For the nfs mount emulation */
49 #include <linux/socket.h>
51 #include <linux/nfs.h>
52 #include <linux/nfs2.h>
53 #include <linux/nfs_mount.h>
55 /* for sunos_select */
56 #include <linux/time.h>
57 #include <linux/personality.h>
61 #include <net/compat.h>
63 #define SUNOS_NR_OPEN 256
65 asmlinkage u32 sunos_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u32 off)
67 struct file *file = NULL;
68 unsigned long retval, ret_type;
70 if (flags & MAP_NORESERVE) {
73 printk("%s: unimplemented SunOS MAP_NORESERVE mmap() flag\n",
75 flags &= ~MAP_NORESERVE;
78 if (!(flags & MAP_ANONYMOUS)) {
80 if (fd >= SUNOS_NR_OPEN)
85 inode = file->f_path.dentry->d_inode;
86 if (imajor(inode) == MEM_MAJOR && iminor(inode) == 5) {
87 flags |= MAP_ANONYMOUS;
94 if (!(flags & MAP_FIXED))
96 else if (len > 0xf0000000 || addr > 0xf0000000 - len)
98 ret_type = flags & _MAP_NEW;
101 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
102 down_write(¤t->mm->mmap_sem);
103 retval = do_mmap(file,
104 (unsigned long) addr, (unsigned long) len,
105 (unsigned long) prot, (unsigned long) flags,
106 (unsigned long) off);
107 up_write(¤t->mm->mmap_sem);
109 retval = ((retval < 0xf0000000) ? 0 : retval);
117 asmlinkage int sunos_mctl(u32 addr, u32 len, int function, u32 arg)
122 asmlinkage int sunos_brk(u32 baddr)
124 int freepages, retval = -ENOMEM;
126 unsigned long newbrk, oldbrk, brk = (unsigned long) baddr;
128 down_write(¤t->mm->mmap_sem);
129 if (brk < current->mm->end_code)
131 newbrk = PAGE_ALIGN(brk);
132 oldbrk = PAGE_ALIGN(current->mm->brk);
134 if (oldbrk == newbrk) {
135 current->mm->brk = brk;
138 /* Always allow shrinking brk. */
139 if (brk <= current->mm->brk) {
140 current->mm->brk = brk;
141 do_munmap(current->mm, newbrk, oldbrk-newbrk);
144 /* Check against rlimit and stack.. */
146 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
147 if (rlim >= RLIM_INFINITY)
149 if (brk - current->mm->end_code > rlim)
151 /* Check against existing mmap mappings. */
152 if (find_vma_intersection(current->mm, oldbrk, newbrk+PAGE_SIZE))
154 /* stupid algorithm to decide if we have enough memory: while
155 * simple, it hopefully works in most obvious cases.. Easy to
156 * fool it, but this should catch most mistakes.
158 freepages = global_page_state(NR_FILE_PAGES);
160 freepages += nr_free_pages();
161 freepages += nr_swap_pages;
162 freepages -= num_physpages >> 4;
163 freepages -= (newbrk-oldbrk) >> PAGE_SHIFT;
166 /* Ok, we have probably got enough memory - let it rip. */
167 current->mm->brk = brk;
168 do_brk(oldbrk, newbrk-oldbrk);
171 up_write(¤t->mm->mmap_sem);
175 asmlinkage u32 sunos_sbrk(int increment)
179 /* This should do it hopefully... */
180 oldbrk = (int)current->mm->brk;
181 error = sunos_brk(((int) current->mm->brk) + increment);
187 asmlinkage u32 sunos_sstk(int increment)
189 printk("%s: Call to sunos_sstk(increment<%d>) is unsupported\n",
190 current->comm, increment);
195 /* Give hints to the kernel as to what paging strategy to use...
196 * Completely bogus, don't remind me.
198 #define VA_NORMAL 0 /* Normal vm usage expected */
199 #define VA_ABNORMAL 1 /* Abnormal/random vm usage probable */
200 #define VA_SEQUENTIAL 2 /* Accesses will be of a sequential nature */
201 #define VA_INVALIDATE 3 /* Page table entries should be flushed ??? */
202 static char *vstrings[] = {
209 asmlinkage void sunos_vadvise(u32 strategy)
213 /* I wanna see who uses this... */
215 printk("%s: Advises us to use %s paging strategy\n",
217 strategy <= 3 ? vstrings[strategy] : "BOGUS");
220 /* This just wants the soft limit (ie. rlim_cur element) of the RLIMIT_NOFILE
221 * resource limit and is for backwards compatibility with older sunos
224 asmlinkage int sunos_getdtablesize(void)
226 return SUNOS_NR_OPEN;
230 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
232 asmlinkage u32 sunos_sigblock(u32 blk_mask)
236 spin_lock_irq(¤t->sighand->siglock);
237 old = (u32) current->blocked.sig[0];
238 current->blocked.sig[0] |= (blk_mask & _BLOCKABLE);
240 spin_unlock_irq(¤t->sighand->siglock);
244 asmlinkage u32 sunos_sigsetmask(u32 newmask)
248 spin_lock_irq(¤t->sighand->siglock);
249 retval = (u32) current->blocked.sig[0];
250 current->blocked.sig[0] = (newmask & _BLOCKABLE);
252 spin_unlock_irq(¤t->sighand->siglock);
256 /* SunOS getdents is very similar to the newer Linux (iBCS2 compliant) */
257 /* getdents system call, the format of the structure just has a different */
258 /* layout (d_off+d_ino instead of d_ino+d_off) */
259 struct sunos_dirent {
267 struct sunos_dirent_callback {
268 struct sunos_dirent __user *curr;
269 struct sunos_dirent __user *previous;
274 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
275 #define ROUND_UP(x) (((x)+sizeof(s32)-1) & ~(sizeof(s32)-1))
277 static int sunos_filldir(void * __buf, const char * name, int namlen,
278 loff_t offset, ino_t ino, unsigned int d_type)
280 struct sunos_dirent __user *dirent;
281 struct sunos_dirent_callback * buf = (struct sunos_dirent_callback *) __buf;
282 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
285 buf->error = -EINVAL; /* only used if we fail.. */
286 if (reclen > buf->count)
289 if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
291 dirent = buf->previous;
293 put_user(offset, &dirent->d_off);
295 buf->previous = dirent;
296 put_user(d_ino, &dirent->d_ino);
297 put_user(namlen, &dirent->d_namlen);
298 put_user(reclen, &dirent->d_reclen);
299 if (copy_to_user(dirent->d_name, name, namlen))
301 put_user(0, dirent->d_name + namlen);
302 dirent = (void __user *) dirent + reclen;
304 buf->count -= reclen;
308 asmlinkage int sunos_getdents(unsigned int fd, void __user *dirent, int cnt)
311 struct sunos_dirent __user *lastdirent;
312 struct sunos_dirent_callback buf;
315 if (fd >= SUNOS_NR_OPEN)
323 if (cnt < (sizeof(struct sunos_dirent) + 255))
326 buf.curr = (struct sunos_dirent __user *) dirent;
331 error = vfs_readdir(file, sunos_filldir, &buf);
335 lastdirent = buf.previous;
338 put_user(file->f_pos, &lastdirent->d_off);
339 error = cnt - buf.count;
348 /* Old sunos getdirentries, severely broken compatibility stuff here. */
349 struct sunos_direntry {
356 struct sunos_direntry_callback {
357 struct sunos_direntry __user *curr;
358 struct sunos_direntry __user *previous;
363 static int sunos_filldirentry(void * __buf, const char * name, int namlen,
364 loff_t offset, ino_t ino, unsigned int d_type)
366 struct sunos_direntry __user *dirent;
367 struct sunos_direntry_callback * buf =
368 (struct sunos_direntry_callback *) __buf;
369 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
372 buf->error = -EINVAL; /* only used if we fail.. */
373 if (reclen > buf->count)
376 if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
378 dirent = buf->previous;
380 buf->previous = dirent;
381 put_user(d_ino, &dirent->d_ino);
382 put_user(namlen, &dirent->d_namlen);
383 put_user(reclen, &dirent->d_reclen);
384 if (copy_to_user(dirent->d_name, name, namlen))
386 put_user(0, dirent->d_name + namlen);
387 dirent = (void __user *) dirent + reclen;
389 buf->count -= reclen;
393 asmlinkage int sunos_getdirentries(unsigned int fd,
396 unsigned int __user *basep)
399 struct sunos_direntry __user *lastdirent;
401 struct sunos_direntry_callback buf;
403 if (fd >= SUNOS_NR_OPEN)
411 if (cnt < (sizeof(struct sunos_direntry) + 255))
414 buf.curr = (struct sunos_direntry __user *) dirent;
419 error = vfs_readdir(file, sunos_filldirentry, &buf);
423 lastdirent = buf.previous;
426 put_user(file->f_pos, basep);
427 error = cnt - buf.count;
436 struct sunos_utsname {
445 asmlinkage int sunos_uname(struct sunos_utsname __user *name)
450 ret = copy_to_user(&name->sname[0], &utsname()->sysname[0],
451 sizeof(name->sname) - 1);
452 ret |= copy_to_user(&name->nname[0], &utsname()->nodename[0],
453 sizeof(name->nname) - 1);
454 ret |= put_user('\0', &name->nname[8]);
455 ret |= copy_to_user(&name->rel[0], &utsname()->release[0],
456 sizeof(name->rel) - 1);
457 ret |= copy_to_user(&name->ver[0], &utsname()->version[0],
458 sizeof(name->ver) - 1);
459 ret |= copy_to_user(&name->mach[0], &utsname()->machine[0],
460 sizeof(name->mach) - 1);
462 return (ret ? -EFAULT : 0);
465 asmlinkage int sunos_nosys(void)
467 struct pt_regs *regs;
471 regs = current_thread_info()->kregs;
472 if (test_thread_flag(TIF_32BIT)) {
473 regs->tpc &= 0xffffffff;
474 regs->tnpc &= 0xffffffff;
476 info.si_signo = SIGSYS;
478 info.si_code = __SI_FAULT|0x100;
479 info.si_addr = (void __user *)regs->tpc;
480 info.si_trapno = regs->u_regs[UREG_G1];
481 send_sig_info(SIGSYS, &info, current);
483 printk("Process makes ni_syscall number %d, register dump:\n",
484 (int) regs->u_regs[UREG_G1]);
490 /* This is not a real and complete implementation yet, just to keep
491 * the easy SunOS binaries happy.
493 asmlinkage int sunos_fpathconf(int fd, int name)
516 case _PCONF_CHRESTRICT: /* XXX Investigate XXX */
519 case _PCONF_NOTRUNC: /* XXX Investigate XXX */
520 case _PCONF_VDISABLE:
530 asmlinkage int sunos_pathconf(u32 u_path, int name)
534 ret = sunos_fpathconf(0, name); /* XXX cheese XXX */
538 asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x)
542 /* SunOS binaries expect that select won't change the tvp contents */
543 ret = compat_sys_select(width, compat_ptr(inp), compat_ptr(outp),
544 compat_ptr(exp), compat_ptr(tvp_x));
545 if (ret == -EINTR && tvp_x) {
546 struct compat_timeval __user *tvp = compat_ptr(tvp_x);
549 __get_user(sec, &tvp->tv_sec);
550 __get_user(usec, &tvp->tv_usec);
551 if (sec == 0 && usec == 0)
557 asmlinkage void sunos_nop(void)
562 #if 0 /* This code doesn't translate user pointers correctly,
563 * disable for now. -DaveM
566 /* XXXXXXXXXX SunOS mount/umount. XXXXXXXXXXX */
567 #define SMNT_RDONLY 1
568 #define SMNT_NOSUID 2
569 #define SMNT_NEWTYPE 4
571 #define SMNT_REMOUNT 16
572 #define SMNT_NOSUB 32
573 #define SMNT_MULTI 64
574 #define SMNT_SYS5 128
577 char fh_data [NFS_FHSIZE];
580 struct sunos_nfs_mount_args {
581 struct sockaddr_in *addr; /* file server address */
582 struct nfs_fh *fh; /* File handle to be mounted */
583 int flags; /* flags */
584 int wsize; /* write size in bytes */
585 int rsize; /* read size in bytes */
586 int timeo; /* initial timeout in .1 secs */
587 int retrans; /* times to retry send */
588 char *hostname; /* server's hostname */
589 int acregmin; /* attr cache file min secs */
590 int acregmax; /* attr cache file max secs */
591 int acdirmin; /* attr cache dir min secs */
592 int acdirmax; /* attr cache dir max secs */
593 char *netname; /* server's netname */
597 /* Bind the socket on a local reserved port and connect it to the
598 * remote server. This on Linux/i386 is done by the mount program,
601 /* XXXXXXXXXXXXXXXXXXXX */
603 sunos_nfs_get_server_fd (int fd, struct sockaddr_in *addr)
605 struct sockaddr_in local;
606 struct sockaddr_in server;
609 struct socket *socket;
617 inode = file->f_path.dentry->d_inode;
619 socket = SOCKET_I(inode);
620 local.sin_family = AF_INET;
621 local.sin_addr.s_addr = htonl(INADDR_ANY);
623 /* IPPORT_RESERVED = 1024, can't find the definition in the kernel */
626 local.sin_port = htons (--try_port);
627 ret = socket->ops->bind(socket, (struct sockaddr*)&local,
629 } while (ret && try_port > (1024 / 2));
636 server.sin_family = AF_INET;
637 server.sin_addr = addr->sin_addr;
638 server.sin_port = NFS_PORT;
640 /* Call sys_connect */
641 ret = socket->ops->connect (socket, (struct sockaddr *) &server,
642 sizeof (server), file->f_flags);
649 /* XXXXXXXXXXXXXXXXXXXX */
650 static int get_default (int value, int def_value)
658 /* XXXXXXXXXXXXXXXXXXXX */
659 static int sunos_nfs_mount(char *dir_name, int linux_flags, void __user *data)
662 char *the_name, *mount_page;
663 struct nfs_mount_data linux_nfs_mount;
664 struct sunos_nfs_mount_args sunos_mount;
666 /* Ok, here comes the fun part: Linux's nfs mount needs a
667 * socket connection to the server, but SunOS mount does not
668 * require this, so we use the information on the destination
669 * address to create a socket and bind it to a reserved
670 * port on this system
672 if (copy_from_user(&sunos_mount, data, sizeof(sunos_mount)))
675 server_fd = sys_socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
679 if (copy_from_user(&linux_nfs_mount.addr, sunos_mount.addr,
680 sizeof(*sunos_mount.addr)) ||
681 copy_from_user(&linux_nfs_mount.root, sunos_mount.fh,
682 sizeof(*sunos_mount.fh))) {
683 sys_close (server_fd);
687 if (!sunos_nfs_get_server_fd (server_fd, &linux_nfs_mount.addr)){
688 sys_close (server_fd);
692 /* Now, bind it to a locally reserved port */
693 linux_nfs_mount.version = NFS_MOUNT_VERSION;
694 linux_nfs_mount.flags = sunos_mount.flags;
695 linux_nfs_mount.fd = server_fd;
697 linux_nfs_mount.rsize = get_default (sunos_mount.rsize, 8192);
698 linux_nfs_mount.wsize = get_default (sunos_mount.wsize, 8192);
699 linux_nfs_mount.timeo = get_default (sunos_mount.timeo, 10);
700 linux_nfs_mount.retrans = sunos_mount.retrans;
702 linux_nfs_mount.acregmin = sunos_mount.acregmin;
703 linux_nfs_mount.acregmax = sunos_mount.acregmax;
704 linux_nfs_mount.acdirmin = sunos_mount.acdirmin;
705 linux_nfs_mount.acdirmax = sunos_mount.acdirmax;
707 the_name = getname(sunos_mount.hostname);
708 if (IS_ERR(the_name))
709 return PTR_ERR(the_name);
711 strlcpy(linux_nfs_mount.hostname, the_name,
712 sizeof(linux_nfs_mount.hostname));
715 mount_page = (char *) get_zeroed_page(GFP_KERNEL);
719 memcpy(mount_page, &linux_nfs_mount, sizeof(linux_nfs_mount));
721 err = do_mount("", dir_name, "nfs", linux_flags, mount_page);
723 free_page((unsigned long) mount_page);
727 /* XXXXXXXXXXXXXXXXXXXX */
729 sunos_mount(char *type, char *dir, int flags, void *data)
734 char *dir_page, *type_page;
736 if (!capable (CAP_SYS_ADMIN))
739 /* We don't handle the integer fs type */
740 if ((flags & SMNT_NEWTYPE) == 0)
743 /* Do not allow for those flags we don't support */
744 if (flags & (SMNT_GRPID|SMNT_NOSUB|SMNT_MULTI|SMNT_SYS5))
747 if (flags & SMNT_REMOUNT)
748 linux_flags |= MS_REMOUNT;
749 if (flags & SMNT_RDONLY)
750 linux_flags |= MS_RDONLY;
751 if (flags & SMNT_NOSUID)
752 linux_flags |= MS_NOSUID;
754 dir_page = getname(dir);
755 ret = PTR_ERR(dir_page);
756 if (IS_ERR(dir_page))
759 type_page = getname(type);
760 ret = PTR_ERR(type_page);
761 if (IS_ERR(type_page))
764 if (strcmp(type_page, "ext2") == 0) {
765 dev_fname = getname(data);
766 } else if (strcmp(type_page, "iso9660") == 0) {
767 dev_fname = getname(data);
768 } else if (strcmp(type_page, "minix") == 0) {
769 dev_fname = getname(data);
770 } else if (strcmp(type_page, "nfs") == 0) {
771 ret = sunos_nfs_mount (dir_page, flags, data);
773 } else if (strcmp(type_page, "ufs") == 0) {
774 printk("Warning: UFS filesystem mounts unsupported.\n");
777 } else if (strcmp(type_page, "proc")) {
781 ret = PTR_ERR(dev_fname);
782 if (IS_ERR(dev_fname))
785 ret = do_mount(dev_fname, dir_page, type_page, linux_flags, NULL);
798 asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid)
803 if ((!pid || pid == current->pid) &&
808 ret = sys_setpgid(pid, pgid);
814 extern long compat_sys_wait4(compat_pid_t, compat_uint_t __user *, int,
815 struct compat_rusage __user *);
817 asmlinkage int sunos_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru)
821 ret = compat_sys_wait4((pid ? pid : ((compat_pid_t)-1)),
822 stat_addr, options, ru);
826 asmlinkage int sunos_killpg(int pgrp, int sig)
833 ret = kill_pgrp(find_vpid(pgrp), sig, 0);
839 asmlinkage int sunos_audit(void)
841 printk ("sys_audit\n");
845 asmlinkage u32 sunos_gethostid(void)
849 ret = (((u32)idprom->id_machtype << 24) | ((u32)idprom->id_sernum));
854 /* sysconf options, for SunOS compatibility */
855 #define _SC_ARG_MAX 1
856 #define _SC_CHILD_MAX 2
857 #define _SC_CLK_TCK 3
858 #define _SC_NGROUPS_MAX 4
859 #define _SC_OPEN_MAX 5
860 #define _SC_JOB_CONTROL 6
861 #define _SC_SAVED_IDS 7
862 #define _SC_VERSION 8
864 asmlinkage s32 sunos_sysconf (int name)
873 ret = current->signal->rlim[RLIMIT_NPROC].rlim_cur;
878 case _SC_NGROUPS_MAX:
882 ret = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
884 case _SC_JOB_CONTROL:
885 ret = 1; /* yes, we do support job control */
888 ret = 1; /* yes, we do support saved uids */
891 /* mhm, POSIX_VERSION is in /usr/include/unistd.h
892 * should it go on /usr/include/linux?
903 asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, void __user *ptr)
910 /* Most arguments match on a 1:1 basis but cmd doesn't */
928 /* value to modify semaphore to */
930 ret = sys_semctl((int)arg1, (int)arg2, (int)arg3, arg4);
934 ret = sys_semget((key_t)arg1, (int)arg2, (int)arg3);
938 ret = sys_semop((int)arg1, (struct sembuf __user *)(unsigned long)arg2,
939 (unsigned int) arg3);
966 struct ipc_perm32 msg_perm;
969 compat_time_t msg_stime;
970 compat_time_t msg_rtime;
971 compat_time_t msg_ctime;
974 unsigned short msg_cbytes;
975 unsigned short msg_qnum;
976 unsigned short msg_qbytes;
977 compat_ipc_pid_t msg_lspid;
978 compat_ipc_pid_t msg_lrpid;
981 static inline int sunos_msqid_get(struct msqid_ds32 __user *user,
982 struct msqid_ds *kern)
984 if (get_user(kern->msg_perm.key, &user->msg_perm.key) ||
985 __get_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
986 __get_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
987 __get_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
988 __get_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
989 __get_user(kern->msg_stime, &user->msg_stime) ||
990 __get_user(kern->msg_rtime, &user->msg_rtime) ||
991 __get_user(kern->msg_ctime, &user->msg_ctime) ||
992 __get_user(kern->msg_ctime, &user->msg_cbytes) ||
993 __get_user(kern->msg_ctime, &user->msg_qnum) ||
994 __get_user(kern->msg_ctime, &user->msg_qbytes) ||
995 __get_user(kern->msg_ctime, &user->msg_lspid) ||
996 __get_user(kern->msg_ctime, &user->msg_lrpid))
1001 static inline int sunos_msqid_put(struct msqid_ds32 __user *user,
1002 struct msqid_ds *kern)
1004 if (put_user(kern->msg_perm.key, &user->msg_perm.key) ||
1005 __put_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
1006 __put_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
1007 __put_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
1008 __put_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
1009 __put_user(kern->msg_stime, &user->msg_stime) ||
1010 __put_user(kern->msg_rtime, &user->msg_rtime) ||
1011 __put_user(kern->msg_ctime, &user->msg_ctime) ||
1012 __put_user(kern->msg_ctime, &user->msg_cbytes) ||
1013 __put_user(kern->msg_ctime, &user->msg_qnum) ||
1014 __put_user(kern->msg_ctime, &user->msg_qbytes) ||
1015 __put_user(kern->msg_ctime, &user->msg_lspid) ||
1016 __put_user(kern->msg_ctime, &user->msg_lrpid))
1021 static inline int sunos_msgbuf_get(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1023 if (get_user(kern->mtype, &user->mtype) ||
1024 __copy_from_user(kern->mtext, &user->mtext, len))
1029 static inline int sunos_msgbuf_put(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1031 if (put_user(kern->mtype, &user->mtype) ||
1032 __copy_to_user(user->mtext, kern->mtext, len))
1037 asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
1039 struct sparc_stackf32 __user *sp;
1040 struct msqid_ds kds;
1041 struct msgbuf *kmbuf;
1042 mm_segment_t old_fs = get_fs();
1048 rval = sys_msgget((key_t)arg1, (int)arg2);
1051 if (!sunos_msqid_get((struct msqid_ds32 __user *)(unsigned long)arg3, &kds)) {
1053 rval = sys_msgctl((int)arg1, (int)arg2,
1054 (struct msqid_ds __user *)(unsigned long)arg3);
1057 rval = sunos_msqid_put((struct msqid_ds32 __user *)(unsigned long)arg3,
1064 kmbuf = kmalloc(sizeof(struct msgbuf) + arg3,
1068 sp = (struct sparc_stackf32 __user *)
1069 (current_thread_info()->kregs->u_regs[UREG_FP] & 0xffffffffUL);
1070 if (get_user(arg5, &sp->xxargs[0])) {
1076 rval = sys_msgrcv((int)arg1, (struct msgbuf __user *) kmbuf,
1078 (long)arg4, (int)arg5);
1081 rval = sunos_msgbuf_put((struct msgbuf32 __user *)(unsigned long)arg2,
1087 kmbuf = kmalloc(sizeof(struct msgbuf) + arg3,
1089 if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)(unsigned long)arg2,
1093 rval = sys_msgsnd((int)arg1, (struct msgbuf __user *) kmbuf,
1094 (size_t)arg3, (int)arg4);
1106 struct ipc_perm32 shm_perm;
1108 compat_time_t shm_atime;
1109 compat_time_t shm_dtime;
1110 compat_time_t shm_ctime;
1111 compat_ipc_pid_t shm_cpid;
1112 compat_ipc_pid_t shm_lpid;
1113 unsigned short shm_nattch;
1116 static inline int sunos_shmid_get(struct shmid_ds32 __user *user,
1117 struct shmid_ds *kern)
1119 if (get_user(kern->shm_perm.key, &user->shm_perm.key) ||
1120 __get_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1121 __get_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1122 __get_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1123 __get_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1124 __get_user(kern->shm_segsz, &user->shm_segsz) ||
1125 __get_user(kern->shm_atime, &user->shm_atime) ||
1126 __get_user(kern->shm_dtime, &user->shm_dtime) ||
1127 __get_user(kern->shm_ctime, &user->shm_ctime) ||
1128 __get_user(kern->shm_cpid, &user->shm_cpid) ||
1129 __get_user(kern->shm_lpid, &user->shm_lpid) ||
1130 __get_user(kern->shm_nattch, &user->shm_nattch))
1135 static inline int sunos_shmid_put(struct shmid_ds32 __user *user,
1136 struct shmid_ds *kern)
1138 if (put_user(kern->shm_perm.key, &user->shm_perm.key) ||
1139 __put_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1140 __put_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1141 __put_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1142 __put_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1143 __put_user(kern->shm_segsz, &user->shm_segsz) ||
1144 __put_user(kern->shm_atime, &user->shm_atime) ||
1145 __put_user(kern->shm_dtime, &user->shm_dtime) ||
1146 __put_user(kern->shm_ctime, &user->shm_ctime) ||
1147 __put_user(kern->shm_cpid, &user->shm_cpid) ||
1148 __put_user(kern->shm_lpid, &user->shm_lpid) ||
1149 __put_user(kern->shm_nattch, &user->shm_nattch))
1154 asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3)
1156 struct shmid_ds ksds;
1157 unsigned long raddr;
1158 mm_segment_t old_fs = get_fs();
1163 /* do_shmat(): attach a shared memory area */
1164 rval = do_shmat((int)arg1,(char __user *)(unsigned long)arg2,(int)arg3,&raddr);
1169 /* sys_shmctl(): modify shared memory area attr. */
1170 if (!sunos_shmid_get((struct shmid_ds32 __user *)(unsigned long)arg3, &ksds)) {
1172 rval = sys_shmctl((int) arg1,(int) arg2,
1173 (struct shmid_ds __user *) &ksds);
1176 rval = sunos_shmid_put((struct shmid_ds32 __user *)(unsigned long)arg3,
1182 /* sys_shmdt(): detach a shared memory area */
1183 rval = sys_shmdt((char __user *)(unsigned long)arg1);
1186 /* sys_shmget(): get a shared memory area */
1187 rval = sys_shmget((key_t)arg1,(int)arg2,(int)arg3);
1196 extern asmlinkage long sparc32_open(const char __user * filename, int flags, int mode);
1198 asmlinkage int sunos_open(u32 fname, int flags, int mode)
1200 const char __user *filename = compat_ptr(fname);
1202 return sparc32_open(filename, flags, mode);
1205 #define SUNOS_EWOULDBLOCK 35
1207 /* see the sunos man page read(2v) for an explanation
1208 of this garbage. We use O_NDELAY to mark
1209 file descriptors that have been set non-blocking
1210 using 4.2BSD style calls. (tridge) */
1212 static inline int check_nonblock(int ret, int fd)
1214 if (ret == -EAGAIN) {
1215 struct file * file = fget(fd);
1217 if (file->f_flags & O_NDELAY)
1218 ret = -SUNOS_EWOULDBLOCK;
1225 asmlinkage int sunos_read(unsigned int fd, char __user *buf, u32 count)
1229 ret = check_nonblock(sys_read(fd, buf, count), fd);
1233 asmlinkage int sunos_readv(u32 fd, void __user *vector, s32 count)
1237 ret = check_nonblock(compat_sys_readv(fd, vector, count), fd);
1241 asmlinkage int sunos_write(unsigned int fd, char __user *buf, u32 count)
1245 ret = check_nonblock(sys_write(fd, buf, count), fd);
1249 asmlinkage int sunos_writev(u32 fd, void __user *vector, s32 count)
1253 ret = check_nonblock(compat_sys_writev(fd, vector, count), fd);
1257 asmlinkage int sunos_recv(u32 __fd, void __user *ubuf, int size, unsigned flags)
1259 int ret, fd = (int) __fd;
1261 ret = check_nonblock(sys_recv(fd, ubuf, size, flags), fd);
1265 asmlinkage int sunos_send(u32 __fd, void __user *buff, int len, unsigned flags)
1267 int ret, fd = (int) __fd;
1269 ret = check_nonblock(sys_send(fd, buff, len, flags), fd);
1273 asmlinkage int sunos_accept(u32 __fd, struct sockaddr __user *sa, int __user *addrlen)
1275 int ret, fd = (int) __fd;
1278 ret = check_nonblock(sys_accept(fd, sa, addrlen), fd);
1279 if (ret != -ENETUNREACH && ret != -EHOSTUNREACH)
1285 #define SUNOS_SV_INTERRUPT 2
1287 asmlinkage int sunos_sigaction (int sig,
1288 struct old_sigaction32 __user *act,
1289 struct old_sigaction32 __user *oact)
1291 struct k_sigaction new_ka, old_ka;
1295 compat_old_sigset_t mask;
1298 if (get_user(u_handler, &act->sa_handler) ||
1299 __get_user(new_ka.sa.sa_flags, &act->sa_flags))
1301 new_ka.sa.sa_handler = compat_ptr(u_handler);
1302 __get_user(mask, &act->sa_mask);
1303 new_ka.sa.sa_restorer = NULL;
1304 new_ka.ka_restorer = NULL;
1305 siginitset(&new_ka.sa.sa_mask, mask);
1306 new_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1309 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
1312 old_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1313 if (put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
1314 __put_user(old_ka.sa.sa_flags, &oact->sa_flags))
1316 __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
1322 asmlinkage int sunos_setsockopt(u32 __fd, u32 __level, u32 __optname,
1323 char __user *optval, u32 __optlen)
1325 int fd = (int) __fd;
1326 int level = (int) __level;
1327 int optname = (int) __optname;
1328 int optlen = (int) __optlen;
1329 int tr_opt = optname;
1332 if (level == SOL_IP) {
1333 /* Multicast socketopts (ttl, membership) */
1334 if (tr_opt >=2 && tr_opt <= 6)
1337 ret = sys_setsockopt(fd, level, tr_opt,
1342 asmlinkage int sunos_getsockopt(u32 __fd, u32 __level, u32 __optname,
1343 char __user *optval, int __user *optlen)
1345 int fd = (int) __fd;
1346 int level = (int) __level;
1347 int optname = (int) __optname;
1348 int tr_opt = optname;
1351 if (level == SOL_IP) {
1352 /* Multicast socketopts (ttl, membership) */
1353 if (tr_opt >=2 && tr_opt <= 6)
1356 ret = compat_sys_getsockopt(fd, level, tr_opt,