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->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 copy_to_user(dirent->d_name, name, namlen);
295 put_user(0, dirent->d_name + namlen);
296 dirent = (void __user *) dirent + reclen;
298 buf->count -= reclen;
302 asmlinkage int sunos_getdents(unsigned int fd, void __user *dirent, int cnt)
305 struct sunos_dirent __user *lastdirent;
306 struct sunos_dirent_callback buf;
309 if (fd >= SUNOS_NR_OPEN)
317 if (cnt < (sizeof(struct sunos_dirent) + 255))
320 buf.curr = (struct sunos_dirent __user *) dirent;
325 error = vfs_readdir(file, sunos_filldir, &buf);
329 lastdirent = buf.previous;
332 put_user(file->f_pos, &lastdirent->d_off);
333 error = cnt - buf.count;
342 /* Old sunos getdirentries, severely broken compatibility stuff here. */
343 struct sunos_direntry {
350 struct sunos_direntry_callback {
351 struct sunos_direntry __user *curr;
352 struct sunos_direntry __user *previous;
357 static int sunos_filldirentry(void * __buf, const char * name, int namlen,
358 loff_t offset, ino_t ino, unsigned int d_type)
360 struct sunos_direntry __user *dirent;
361 struct sunos_direntry_callback * buf =
362 (struct sunos_direntry_callback *) __buf;
363 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
365 buf->error = -EINVAL; /* only used if we fail.. */
366 if (reclen > buf->count)
368 dirent = buf->previous;
370 buf->previous = dirent;
371 put_user(ino, &dirent->d_ino);
372 put_user(namlen, &dirent->d_namlen);
373 put_user(reclen, &dirent->d_reclen);
374 copy_to_user(dirent->d_name, name, namlen);
375 put_user(0, dirent->d_name + namlen);
376 dirent = (void __user *) dirent + reclen;
378 buf->count -= reclen;
382 asmlinkage int sunos_getdirentries(unsigned int fd,
385 unsigned int __user *basep)
388 struct sunos_direntry __user *lastdirent;
390 struct sunos_direntry_callback buf;
392 if (fd >= SUNOS_NR_OPEN)
400 if (cnt < (sizeof(struct sunos_direntry) + 255))
403 buf.curr = (struct sunos_direntry __user *) dirent;
408 error = vfs_readdir(file, sunos_filldirentry, &buf);
412 lastdirent = buf.previous;
415 put_user(file->f_pos, basep);
416 error = cnt - buf.count;
425 struct sunos_utsname {
434 asmlinkage int sunos_uname(struct sunos_utsname __user *name)
439 ret = copy_to_user(&name->sname[0], &system_utsname.sysname[0],
440 sizeof(name->sname) - 1);
441 ret |= copy_to_user(&name->nname[0], &system_utsname.nodename[0],
442 sizeof(name->nname) - 1);
443 ret |= put_user('\0', &name->nname[8]);
444 ret |= copy_to_user(&name->rel[0], &system_utsname.release[0],
445 sizeof(name->rel) - 1);
446 ret |= copy_to_user(&name->ver[0], &system_utsname.version[0],
447 sizeof(name->ver) - 1);
448 ret |= copy_to_user(&name->mach[0], &system_utsname.machine[0],
449 sizeof(name->mach) - 1);
451 return (ret ? -EFAULT : 0);
454 asmlinkage int sunos_nosys(void)
456 struct pt_regs *regs;
460 regs = current_thread_info()->kregs;
461 if (test_thread_flag(TIF_32BIT)) {
462 regs->tpc &= 0xffffffff;
463 regs->tnpc &= 0xffffffff;
465 info.si_signo = SIGSYS;
467 info.si_code = __SI_FAULT|0x100;
468 info.si_addr = (void __user *)regs->tpc;
469 info.si_trapno = regs->u_regs[UREG_G1];
470 send_sig_info(SIGSYS, &info, current);
472 printk("Process makes ni_syscall number %d, register dump:\n",
473 (int) regs->u_regs[UREG_G1]);
479 /* This is not a real and complete implementation yet, just to keep
480 * the easy SunOS binaries happy.
482 asmlinkage int sunos_fpathconf(int fd, int name)
505 case _PCONF_CHRESTRICT: /* XXX Investigate XXX */
508 case _PCONF_NOTRUNC: /* XXX Investigate XXX */
509 case _PCONF_VDISABLE:
519 asmlinkage int sunos_pathconf(u32 u_path, int name)
523 ret = sunos_fpathconf(0, name); /* XXX cheese XXX */
527 asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x)
531 /* SunOS binaries expect that select won't change the tvp contents */
532 ret = compat_sys_select(width, compat_ptr(inp), compat_ptr(outp),
533 compat_ptr(exp), compat_ptr(tvp_x));
534 if (ret == -EINTR && tvp_x) {
535 struct compat_timeval __user *tvp = compat_ptr(tvp_x);
538 __get_user(sec, &tvp->tv_sec);
539 __get_user(usec, &tvp->tv_usec);
540 if (sec == 0 && usec == 0)
546 asmlinkage void sunos_nop(void)
551 #if 0 /* This code doesn't translate user pointers correctly,
552 * disable for now. -DaveM
555 /* XXXXXXXXXX SunOS mount/umount. XXXXXXXXXXX */
556 #define SMNT_RDONLY 1
557 #define SMNT_NOSUID 2
558 #define SMNT_NEWTYPE 4
560 #define SMNT_REMOUNT 16
561 #define SMNT_NOSUB 32
562 #define SMNT_MULTI 64
563 #define SMNT_SYS5 128
566 char fh_data [NFS_FHSIZE];
569 struct sunos_nfs_mount_args {
570 struct sockaddr_in *addr; /* file server address */
571 struct nfs_fh *fh; /* File handle to be mounted */
572 int flags; /* flags */
573 int wsize; /* write size in bytes */
574 int rsize; /* read size in bytes */
575 int timeo; /* initial timeout in .1 secs */
576 int retrans; /* times to retry send */
577 char *hostname; /* server's hostname */
578 int acregmin; /* attr cache file min secs */
579 int acregmax; /* attr cache file max secs */
580 int acdirmin; /* attr cache dir min secs */
581 int acdirmax; /* attr cache dir max secs */
582 char *netname; /* server's netname */
586 /* Bind the socket on a local reserved port and connect it to the
587 * remote server. This on Linux/i386 is done by the mount program,
590 /* XXXXXXXXXXXXXXXXXXXX */
592 sunos_nfs_get_server_fd (int fd, struct sockaddr_in *addr)
594 struct sockaddr_in local;
595 struct sockaddr_in server;
598 struct socket *socket;
606 inode = file->f_dentry->d_inode;
608 socket = SOCKET_I(inode);
609 local.sin_family = AF_INET;
610 local.sin_addr.s_addr = INADDR_ANY;
612 /* IPPORT_RESERVED = 1024, can't find the definition in the kernel */
615 local.sin_port = htons (--try_port);
616 ret = socket->ops->bind(socket, (struct sockaddr*)&local,
618 } while (ret && try_port > (1024 / 2));
625 server.sin_family = AF_INET;
626 server.sin_addr = addr->sin_addr;
627 server.sin_port = NFS_PORT;
629 /* Call sys_connect */
630 ret = socket->ops->connect (socket, (struct sockaddr *) &server,
631 sizeof (server), file->f_flags);
638 /* XXXXXXXXXXXXXXXXXXXX */
639 static int get_default (int value, int def_value)
647 /* XXXXXXXXXXXXXXXXXXXX */
648 static int sunos_nfs_mount(char *dir_name, int linux_flags, void __user *data)
651 char *the_name, *mount_page;
652 struct nfs_mount_data linux_nfs_mount;
653 struct sunos_nfs_mount_args sunos_mount;
655 /* Ok, here comes the fun part: Linux's nfs mount needs a
656 * socket connection to the server, but SunOS mount does not
657 * require this, so we use the information on the destination
658 * address to create a socket and bind it to a reserved
659 * port on this system
661 if (copy_from_user(&sunos_mount, data, sizeof(sunos_mount)))
664 server_fd = sys_socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
668 if (copy_from_user(&linux_nfs_mount.addr, sunos_mount.addr,
669 sizeof(*sunos_mount.addr)) ||
670 copy_from_user(&linux_nfs_mount.root, sunos_mount.fh,
671 sizeof(*sunos_mount.fh))) {
672 sys_close (server_fd);
676 if (!sunos_nfs_get_server_fd (server_fd, &linux_nfs_mount.addr)){
677 sys_close (server_fd);
681 /* Now, bind it to a locally reserved port */
682 linux_nfs_mount.version = NFS_MOUNT_VERSION;
683 linux_nfs_mount.flags = sunos_mount.flags;
684 linux_nfs_mount.fd = server_fd;
686 linux_nfs_mount.rsize = get_default (sunos_mount.rsize, 8192);
687 linux_nfs_mount.wsize = get_default (sunos_mount.wsize, 8192);
688 linux_nfs_mount.timeo = get_default (sunos_mount.timeo, 10);
689 linux_nfs_mount.retrans = sunos_mount.retrans;
691 linux_nfs_mount.acregmin = sunos_mount.acregmin;
692 linux_nfs_mount.acregmax = sunos_mount.acregmax;
693 linux_nfs_mount.acdirmin = sunos_mount.acdirmin;
694 linux_nfs_mount.acdirmax = sunos_mount.acdirmax;
696 the_name = getname(sunos_mount.hostname);
697 if (IS_ERR(the_name))
698 return PTR_ERR(the_name);
700 strlcpy(linux_nfs_mount.hostname, the_name,
701 sizeof(linux_nfs_mount.hostname));
704 mount_page = (char *) get_zeroed_page(GFP_KERNEL);
708 memcpy(mount_page, &linux_nfs_mount, sizeof(linux_nfs_mount));
710 err = do_mount("", dir_name, "nfs", linux_flags, mount_page);
712 free_page((unsigned long) mount_page);
716 /* XXXXXXXXXXXXXXXXXXXX */
718 sunos_mount(char *type, char *dir, int flags, void *data)
723 char *dir_page, *type_page;
725 if (!capable (CAP_SYS_ADMIN))
728 /* We don't handle the integer fs type */
729 if ((flags & SMNT_NEWTYPE) == 0)
732 /* Do not allow for those flags we don't support */
733 if (flags & (SMNT_GRPID|SMNT_NOSUB|SMNT_MULTI|SMNT_SYS5))
736 if (flags & SMNT_REMOUNT)
737 linux_flags |= MS_REMOUNT;
738 if (flags & SMNT_RDONLY)
739 linux_flags |= MS_RDONLY;
740 if (flags & SMNT_NOSUID)
741 linux_flags |= MS_NOSUID;
743 dir_page = getname(dir);
744 ret = PTR_ERR(dir_page);
745 if (IS_ERR(dir_page))
748 type_page = getname(type);
749 ret = PTR_ERR(type_page);
750 if (IS_ERR(type_page))
753 if (strcmp(type_page, "ext2") == 0) {
754 dev_fname = getname(data);
755 } else if (strcmp(type_page, "iso9660") == 0) {
756 dev_fname = getname(data);
757 } else if (strcmp(type_page, "minix") == 0) {
758 dev_fname = getname(data);
759 } else if (strcmp(type_page, "nfs") == 0) {
760 ret = sunos_nfs_mount (dir_page, flags, data);
762 } else if (strcmp(type_page, "ufs") == 0) {
763 printk("Warning: UFS filesystem mounts unsupported.\n");
766 } else if (strcmp(type_page, "proc")) {
770 ret = PTR_ERR(dev_fname);
771 if (IS_ERR(dev_fname))
774 ret = do_mount(dev_fname, dir_page, type_page, linux_flags, NULL);
787 asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid)
792 if ((!pid || pid == current->pid) &&
797 ret = sys_setpgid(pid, pgid);
803 extern long compat_sys_wait4(compat_pid_t, compat_uint_t __user *, int,
804 struct compat_rusage __user *);
806 asmlinkage int sunos_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru)
810 ret = compat_sys_wait4((pid ? pid : ((compat_pid_t)-1)),
811 stat_addr, options, ru);
815 extern int kill_pg(int, int, int);
816 asmlinkage int sunos_killpg(int pgrp, int sig)
818 return kill_pg(pgrp, sig, 0);
821 asmlinkage int sunos_audit(void)
823 printk ("sys_audit\n");
827 asmlinkage u32 sunos_gethostid(void)
831 ret = (((u32)idprom->id_machtype << 24) | ((u32)idprom->id_sernum));
836 /* sysconf options, for SunOS compatibility */
837 #define _SC_ARG_MAX 1
838 #define _SC_CHILD_MAX 2
839 #define _SC_CLK_TCK 3
840 #define _SC_NGROUPS_MAX 4
841 #define _SC_OPEN_MAX 5
842 #define _SC_JOB_CONTROL 6
843 #define _SC_SAVED_IDS 7
844 #define _SC_VERSION 8
846 asmlinkage s32 sunos_sysconf (int name)
860 case _SC_NGROUPS_MAX:
866 case _SC_JOB_CONTROL:
867 ret = 1; /* yes, we do support job control */
870 ret = 1; /* yes, we do support saved uids */
873 /* mhm, POSIX_VERSION is in /usr/include/unistd.h
874 * should it go on /usr/include/linux?
885 asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, void __user *ptr)
892 /* Most arguments match on a 1:1 basis but cmd doesn't */
910 /* value to modify semaphore to */
912 ret = sys_semctl((int)arg1, (int)arg2, (int)arg3, arg4);
916 ret = sys_semget((key_t)arg1, (int)arg2, (int)arg3);
920 ret = sys_semop((int)arg1, (struct sembuf __user *)(unsigned long)arg2,
921 (unsigned int) arg3);
948 struct ipc_perm32 msg_perm;
951 compat_time_t msg_stime;
952 compat_time_t msg_rtime;
953 compat_time_t msg_ctime;
956 unsigned short msg_cbytes;
957 unsigned short msg_qnum;
958 unsigned short msg_qbytes;
959 compat_ipc_pid_t msg_lspid;
960 compat_ipc_pid_t msg_lrpid;
963 static inline int sunos_msqid_get(struct msqid_ds32 __user *user,
964 struct msqid_ds *kern)
966 if (get_user(kern->msg_perm.key, &user->msg_perm.key) ||
967 __get_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
968 __get_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
969 __get_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
970 __get_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
971 __get_user(kern->msg_stime, &user->msg_stime) ||
972 __get_user(kern->msg_rtime, &user->msg_rtime) ||
973 __get_user(kern->msg_ctime, &user->msg_ctime) ||
974 __get_user(kern->msg_ctime, &user->msg_cbytes) ||
975 __get_user(kern->msg_ctime, &user->msg_qnum) ||
976 __get_user(kern->msg_ctime, &user->msg_qbytes) ||
977 __get_user(kern->msg_ctime, &user->msg_lspid) ||
978 __get_user(kern->msg_ctime, &user->msg_lrpid))
983 static inline int sunos_msqid_put(struct msqid_ds32 __user *user,
984 struct msqid_ds *kern)
986 if (put_user(kern->msg_perm.key, &user->msg_perm.key) ||
987 __put_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
988 __put_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
989 __put_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
990 __put_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
991 __put_user(kern->msg_stime, &user->msg_stime) ||
992 __put_user(kern->msg_rtime, &user->msg_rtime) ||
993 __put_user(kern->msg_ctime, &user->msg_ctime) ||
994 __put_user(kern->msg_ctime, &user->msg_cbytes) ||
995 __put_user(kern->msg_ctime, &user->msg_qnum) ||
996 __put_user(kern->msg_ctime, &user->msg_qbytes) ||
997 __put_user(kern->msg_ctime, &user->msg_lspid) ||
998 __put_user(kern->msg_ctime, &user->msg_lrpid))
1003 static inline int sunos_msgbuf_get(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1005 if (get_user(kern->mtype, &user->mtype) ||
1006 __copy_from_user(kern->mtext, &user->mtext, len))
1011 static inline int sunos_msgbuf_put(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1013 if (put_user(kern->mtype, &user->mtype) ||
1014 __copy_to_user(user->mtext, kern->mtext, len))
1019 asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
1021 struct sparc_stackf32 __user *sp;
1022 struct msqid_ds kds;
1023 struct msgbuf *kmbuf;
1024 mm_segment_t old_fs = get_fs();
1030 rval = sys_msgget((key_t)arg1, (int)arg2);
1033 if (!sunos_msqid_get((struct msqid_ds32 __user *)(unsigned long)arg3, &kds)) {
1035 rval = sys_msgctl((int)arg1, (int)arg2,
1036 (struct msqid_ds __user *)(unsigned long)arg3);
1039 rval = sunos_msqid_put((struct msqid_ds32 __user *)(unsigned long)arg3,
1046 kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
1050 sp = (struct sparc_stackf32 __user *)
1051 (current_thread_info()->kregs->u_regs[UREG_FP] & 0xffffffffUL);
1052 if (get_user(arg5, &sp->xxargs[0])) {
1058 rval = sys_msgrcv((int)arg1, (struct msgbuf __user *) kmbuf,
1060 (long)arg4, (int)arg5);
1063 rval = sunos_msgbuf_put((struct msgbuf32 __user *)(unsigned long)arg2,
1069 kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
1071 if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)(unsigned long)arg2,
1075 rval = sys_msgsnd((int)arg1, (struct msgbuf __user *) kmbuf,
1076 (size_t)arg3, (int)arg4);
1088 struct ipc_perm32 shm_perm;
1090 compat_time_t shm_atime;
1091 compat_time_t shm_dtime;
1092 compat_time_t shm_ctime;
1093 compat_ipc_pid_t shm_cpid;
1094 compat_ipc_pid_t shm_lpid;
1095 unsigned short shm_nattch;
1098 static inline int sunos_shmid_get(struct shmid_ds32 __user *user,
1099 struct shmid_ds *kern)
1101 if (get_user(kern->shm_perm.key, &user->shm_perm.key) ||
1102 __get_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1103 __get_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1104 __get_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1105 __get_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1106 __get_user(kern->shm_segsz, &user->shm_segsz) ||
1107 __get_user(kern->shm_atime, &user->shm_atime) ||
1108 __get_user(kern->shm_dtime, &user->shm_dtime) ||
1109 __get_user(kern->shm_ctime, &user->shm_ctime) ||
1110 __get_user(kern->shm_cpid, &user->shm_cpid) ||
1111 __get_user(kern->shm_lpid, &user->shm_lpid) ||
1112 __get_user(kern->shm_nattch, &user->shm_nattch))
1117 static inline int sunos_shmid_put(struct shmid_ds32 __user *user,
1118 struct shmid_ds *kern)
1120 if (put_user(kern->shm_perm.key, &user->shm_perm.key) ||
1121 __put_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1122 __put_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1123 __put_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1124 __put_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1125 __put_user(kern->shm_segsz, &user->shm_segsz) ||
1126 __put_user(kern->shm_atime, &user->shm_atime) ||
1127 __put_user(kern->shm_dtime, &user->shm_dtime) ||
1128 __put_user(kern->shm_ctime, &user->shm_ctime) ||
1129 __put_user(kern->shm_cpid, &user->shm_cpid) ||
1130 __put_user(kern->shm_lpid, &user->shm_lpid) ||
1131 __put_user(kern->shm_nattch, &user->shm_nattch))
1136 asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3)
1138 struct shmid_ds ksds;
1139 unsigned long raddr;
1140 mm_segment_t old_fs = get_fs();
1145 /* do_shmat(): attach a shared memory area */
1146 rval = do_shmat((int)arg1,(char __user *)(unsigned long)arg2,(int)arg3,&raddr);
1151 /* sys_shmctl(): modify shared memory area attr. */
1152 if (!sunos_shmid_get((struct shmid_ds32 __user *)(unsigned long)arg3, &ksds)) {
1154 rval = sys_shmctl((int) arg1,(int) arg2,
1155 (struct shmid_ds __user *) &ksds);
1158 rval = sunos_shmid_put((struct shmid_ds32 __user *)(unsigned long)arg3,
1164 /* sys_shmdt(): detach a shared memory area */
1165 rval = sys_shmdt((char __user *)(unsigned long)arg1);
1168 /* sys_shmget(): get a shared memory area */
1169 rval = sys_shmget((key_t)arg1,(int)arg2,(int)arg3);
1178 extern asmlinkage long sparc32_open(const char * filename, int flags, int mode);
1180 asmlinkage int sunos_open(u32 fname, int flags, int mode)
1182 const char *filename = (const char *)(long)fname;
1184 return sparc32_open(filename, flags, mode);
1187 #define SUNOS_EWOULDBLOCK 35
1189 /* see the sunos man page read(2v) for an explanation
1190 of this garbage. We use O_NDELAY to mark
1191 file descriptors that have been set non-blocking
1192 using 4.2BSD style calls. (tridge) */
1194 static inline int check_nonblock(int ret, int fd)
1196 if (ret == -EAGAIN) {
1197 struct file * file = fget(fd);
1199 if (file->f_flags & O_NDELAY)
1200 ret = -SUNOS_EWOULDBLOCK;
1207 asmlinkage int sunos_read(unsigned int fd, char __user *buf, u32 count)
1211 ret = check_nonblock(sys_read(fd, buf, count), fd);
1215 asmlinkage int sunos_readv(u32 fd, void __user *vector, s32 count)
1219 ret = check_nonblock(compat_sys_readv(fd, vector, count), fd);
1223 asmlinkage int sunos_write(unsigned int fd, char __user *buf, u32 count)
1227 ret = check_nonblock(sys_write(fd, buf, count), fd);
1231 asmlinkage int sunos_writev(u32 fd, void __user *vector, s32 count)
1235 ret = check_nonblock(compat_sys_writev(fd, vector, count), fd);
1239 asmlinkage int sunos_recv(u32 __fd, void __user *ubuf, int size, unsigned flags)
1241 int ret, fd = (int) __fd;
1243 ret = check_nonblock(sys_recv(fd, ubuf, size, flags), fd);
1247 asmlinkage int sunos_send(u32 __fd, void __user *buff, int len, unsigned flags)
1249 int ret, fd = (int) __fd;
1251 ret = check_nonblock(sys_send(fd, buff, len, flags), fd);
1255 asmlinkage int sunos_accept(u32 __fd, struct sockaddr __user *sa, int __user *addrlen)
1257 int ret, fd = (int) __fd;
1260 ret = check_nonblock(sys_accept(fd, sa, addrlen), fd);
1261 if (ret != -ENETUNREACH && ret != -EHOSTUNREACH)
1267 #define SUNOS_SV_INTERRUPT 2
1269 asmlinkage int sunos_sigaction (int sig,
1270 struct old_sigaction32 __user *act,
1271 struct old_sigaction32 __user *oact)
1273 struct k_sigaction new_ka, old_ka;
1277 compat_old_sigset_t mask;
1280 if (get_user(u_handler, &act->sa_handler) ||
1281 __get_user(new_ka.sa.sa_flags, &act->sa_flags))
1283 new_ka.sa.sa_handler = compat_ptr(u_handler);
1284 __get_user(mask, &act->sa_mask);
1285 new_ka.sa.sa_restorer = NULL;
1286 new_ka.ka_restorer = NULL;
1287 siginitset(&new_ka.sa.sa_mask, mask);
1288 new_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1291 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
1294 old_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1295 if (put_user((long)old_ka.sa.sa_handler, &oact->sa_handler) ||
1296 __put_user(old_ka.sa.sa_flags, &oact->sa_flags))
1298 __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
1304 asmlinkage int sunos_setsockopt(u32 __fd, u32 __level, u32 __optname,
1305 char __user *optval, u32 __optlen)
1307 int fd = (int) __fd;
1308 int level = (int) __level;
1309 int optname = (int) __optname;
1310 int optlen = (int) __optlen;
1311 int tr_opt = optname;
1314 if (level == SOL_IP) {
1315 /* Multicast socketopts (ttl, membership) */
1316 if (tr_opt >=2 && tr_opt <= 6)
1319 ret = sys_setsockopt(fd, level, tr_opt,
1324 asmlinkage int sunos_getsockopt(u32 __fd, u32 __level, u32 __optname,
1325 char __user *optval, int __user *optlen)
1327 int fd = (int) __fd;
1328 int level = (int) __level;
1329 int optname = (int) __optname;
1330 int tr_opt = optname;
1333 if (level == SOL_IP) {
1334 /* Multicast socketopts (ttl, membership) */
1335 if (tr_opt >=2 && tr_opt <= 6)
1338 ret = compat_sys_getsockopt(fd, level, tr_opt,