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>
38 #include <linux/vs_cvirt.h>
40 #include <asm/uaccess.h>
42 #include <asm/pgtable.h>
43 #include <asm/pconf.h>
44 #include <asm/idprom.h> /* for gethostid() */
45 #include <asm/unistd.h>
46 #include <asm/system.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>
60 #include <linux/socket.h>
62 #include <net/compat.h>
64 #define SUNOS_NR_OPEN 256
66 asmlinkage u32 sunos_mmap(u32 addr, u32 len, u32 prot, u32 flags, u32 fd, u32 off)
68 struct file *file = NULL;
69 unsigned long retval, ret_type;
71 if (flags & MAP_NORESERVE) {
74 printk("%s: unimplemented SunOS MAP_NORESERVE mmap() flag\n",
76 flags &= ~MAP_NORESERVE;
79 if (!(flags & MAP_ANONYMOUS)) {
81 if (fd >= SUNOS_NR_OPEN)
86 inode = file->f_dentry->d_inode;
87 if (imajor(inode) == MEM_MAJOR && iminor(inode) == 5) {
88 flags |= MAP_ANONYMOUS;
95 if (!(flags & MAP_FIXED))
97 else if (len > 0xf0000000 || addr > 0xf0000000 - len)
99 ret_type = flags & _MAP_NEW;
102 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
103 down_write(¤t->mm->mmap_sem);
104 retval = do_mmap(file,
105 (unsigned long) addr, (unsigned long) len,
106 (unsigned long) prot, (unsigned long) flags,
107 (unsigned long) off);
108 up_write(¤t->mm->mmap_sem);
110 retval = ((retval < 0xf0000000) ? 0 : retval);
118 asmlinkage int sunos_mctl(u32 addr, u32 len, int function, u32 arg)
123 asmlinkage int sunos_brk(u32 baddr)
125 int freepages, retval = -ENOMEM;
127 unsigned long newbrk, oldbrk, brk = (unsigned long) baddr;
129 down_write(¤t->mm->mmap_sem);
130 if (brk < current->mm->end_code)
132 newbrk = PAGE_ALIGN(brk);
133 oldbrk = PAGE_ALIGN(current->mm->brk);
135 if (oldbrk == newbrk) {
136 current->mm->brk = brk;
139 /* Always allow shrinking brk. */
140 if (brk <= current->mm->brk) {
141 current->mm->brk = brk;
142 do_munmap(current->mm, newbrk, oldbrk-newbrk);
145 /* Check against rlimit and stack.. */
147 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
148 if (rlim >= RLIM_INFINITY)
150 if (brk - current->mm->end_code > rlim)
152 /* Check against existing mmap mappings. */
153 if (find_vma_intersection(current->mm, oldbrk, newbrk+PAGE_SIZE))
155 /* stupid algorithm to decide if we have enough memory: while
156 * simple, it hopefully works in most obvious cases.. Easy to
157 * fool it, but this should catch most mistakes.
159 freepages = get_page_cache_size();
161 freepages += nr_free_pages();
162 freepages += nr_swap_pages;
163 freepages -= num_physpages >> 4;
164 freepages -= (newbrk-oldbrk) >> PAGE_SHIFT;
167 /* Ok, we have probably got enough memory - let it rip. */
168 current->mm->brk = brk;
169 do_brk(oldbrk, newbrk-oldbrk);
172 up_write(¤t->mm->mmap_sem);
176 asmlinkage u32 sunos_sbrk(int increment)
180 /* This should do it hopefully... */
181 oldbrk = (int)current->mm->brk;
182 error = sunos_brk(((int) current->mm->brk) + increment);
188 asmlinkage u32 sunos_sstk(int increment)
190 printk("%s: Call to sunos_sstk(increment<%d>) is unsupported\n",
191 current->comm, increment);
196 /* Give hints to the kernel as to what paging strategy to use...
197 * Completely bogus, don't remind me.
199 #define VA_NORMAL 0 /* Normal vm usage expected */
200 #define VA_ABNORMAL 1 /* Abnormal/random vm usage probable */
201 #define VA_SEQUENTIAL 2 /* Accesses will be of a sequential nature */
202 #define VA_INVALIDATE 3 /* Page table entries should be flushed ??? */
203 static char *vstrings[] = {
210 asmlinkage void sunos_vadvise(u32 strategy)
214 /* I wanna see who uses this... */
216 printk("%s: Advises us to use %s paging strategy\n",
218 strategy <= 3 ? vstrings[strategy] : "BOGUS");
221 /* This just wants the soft limit (ie. rlim_cur element) of the RLIMIT_NOFILE
222 * resource limit and is for backwards compatibility with older sunos
225 asmlinkage int sunos_getdtablesize(void)
227 return SUNOS_NR_OPEN;
231 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
233 asmlinkage u32 sunos_sigblock(u32 blk_mask)
237 spin_lock_irq(¤t->sighand->siglock);
238 old = (u32) current->blocked.sig[0];
239 current->blocked.sig[0] |= (blk_mask & _BLOCKABLE);
241 spin_unlock_irq(¤t->sighand->siglock);
245 asmlinkage u32 sunos_sigsetmask(u32 newmask)
249 spin_lock_irq(¤t->sighand->siglock);
250 retval = (u32) current->blocked.sig[0];
251 current->blocked.sig[0] = (newmask & _BLOCKABLE);
253 spin_unlock_irq(¤t->sighand->siglock);
257 /* SunOS getdents is very similar to the newer Linux (iBCS2 compliant) */
258 /* getdents system call, the format of the structure just has a different */
259 /* layout (d_off+d_ino instead of d_ino+d_off) */
260 struct sunos_dirent {
268 struct sunos_dirent_callback {
269 struct sunos_dirent __user *curr;
270 struct sunos_dirent __user *previous;
275 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
276 #define ROUND_UP(x) (((x)+sizeof(s32)-1) & ~(sizeof(s32)-1))
278 static int sunos_filldir(void * __buf, const char * name, int namlen,
279 loff_t offset, ino_t ino, unsigned int d_type)
281 struct sunos_dirent __user *dirent;
282 struct sunos_dirent_callback * buf = (struct sunos_dirent_callback *) __buf;
283 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
285 buf->error = -EINVAL; /* only used if we fail.. */
286 if (reclen > buf->count)
288 dirent = buf->previous;
290 put_user(offset, &dirent->d_off);
292 buf->previous = dirent;
293 put_user(ino, &dirent->d_ino);
294 put_user(namlen, &dirent->d_namlen);
295 put_user(reclen, &dirent->d_reclen);
296 if (copy_to_user(dirent->d_name, name, namlen))
298 put_user(0, dirent->d_name + namlen);
299 dirent = (void __user *) dirent + reclen;
301 buf->count -= reclen;
305 asmlinkage int sunos_getdents(unsigned int fd, void __user *dirent, int cnt)
308 struct sunos_dirent __user *lastdirent;
309 struct sunos_dirent_callback buf;
312 if (fd >= SUNOS_NR_OPEN)
320 if (cnt < (sizeof(struct sunos_dirent) + 255))
323 buf.curr = (struct sunos_dirent __user *) dirent;
328 error = vfs_readdir(file, sunos_filldir, &buf);
332 lastdirent = buf.previous;
335 put_user(file->f_pos, &lastdirent->d_off);
336 error = cnt - buf.count;
345 /* Old sunos getdirentries, severely broken compatibility stuff here. */
346 struct sunos_direntry {
353 struct sunos_direntry_callback {
354 struct sunos_direntry __user *curr;
355 struct sunos_direntry __user *previous;
360 static int sunos_filldirentry(void * __buf, const char * name, int namlen,
361 loff_t offset, ino_t ino, unsigned int d_type)
363 struct sunos_direntry __user *dirent;
364 struct sunos_direntry_callback * buf =
365 (struct sunos_direntry_callback *) __buf;
366 int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 1);
368 buf->error = -EINVAL; /* only used if we fail.. */
369 if (reclen > buf->count)
371 dirent = buf->previous;
373 buf->previous = dirent;
374 put_user(ino, &dirent->d_ino);
375 put_user(namlen, &dirent->d_namlen);
376 put_user(reclen, &dirent->d_reclen);
377 if (copy_to_user(dirent->d_name, name, namlen))
379 put_user(0, dirent->d_name + namlen);
380 dirent = (void __user *) dirent + reclen;
382 buf->count -= reclen;
386 asmlinkage int sunos_getdirentries(unsigned int fd,
389 unsigned int __user *basep)
392 struct sunos_direntry __user *lastdirent;
394 struct sunos_direntry_callback buf;
396 if (fd >= SUNOS_NR_OPEN)
404 if (cnt < (sizeof(struct sunos_direntry) + 255))
407 buf.curr = (struct sunos_direntry __user *) dirent;
412 error = vfs_readdir(file, sunos_filldirentry, &buf);
416 lastdirent = buf.previous;
419 put_user(file->f_pos, basep);
420 error = cnt - buf.count;
429 struct sunos_utsname {
438 asmlinkage int sunos_uname(struct sunos_utsname __user *name)
441 struct new_utsname *ptr;
444 ptr = vx_new_utsname();
445 ret = copy_to_user(&name->sname[0], ptr->sysname,
446 sizeof(name->sname) - 1);
447 ret |= copy_to_user(&name->nname[0], ptr->nodename,
448 sizeof(name->nname) - 1);
449 ret |= put_user('\0', &name->nname[8]);
450 ret |= copy_to_user(&name->rel[0], ptr->release,
451 sizeof(name->rel) - 1);
452 ret |= copy_to_user(&name->ver[0], ptr->version,
453 sizeof(name->ver) - 1);
454 ret |= copy_to_user(&name->mach[0], ptr->machine,
455 sizeof(name->mach) - 1);
457 return (ret ? -EFAULT : 0);
460 asmlinkage int sunos_nosys(void)
462 struct pt_regs *regs;
466 regs = current_thread_info()->kregs;
467 if (test_thread_flag(TIF_32BIT)) {
468 regs->tpc &= 0xffffffff;
469 regs->tnpc &= 0xffffffff;
471 info.si_signo = SIGSYS;
473 info.si_code = __SI_FAULT|0x100;
474 info.si_addr = (void __user *)regs->tpc;
475 info.si_trapno = regs->u_regs[UREG_G1];
476 send_sig_info(SIGSYS, &info, current);
478 printk("Process makes ni_syscall number %d, register dump:\n",
479 (int) regs->u_regs[UREG_G1]);
485 /* This is not a real and complete implementation yet, just to keep
486 * the easy SunOS binaries happy.
488 asmlinkage int sunos_fpathconf(int fd, int name)
511 case _PCONF_CHRESTRICT: /* XXX Investigate XXX */
514 case _PCONF_NOTRUNC: /* XXX Investigate XXX */
515 case _PCONF_VDISABLE:
525 asmlinkage int sunos_pathconf(u32 u_path, int name)
529 ret = sunos_fpathconf(0, name); /* XXX cheese XXX */
533 asmlinkage int sunos_select(int width, u32 inp, u32 outp, u32 exp, u32 tvp_x)
537 /* SunOS binaries expect that select won't change the tvp contents */
538 ret = compat_sys_select(width, compat_ptr(inp), compat_ptr(outp),
539 compat_ptr(exp), compat_ptr(tvp_x));
540 if (ret == -EINTR && tvp_x) {
541 struct compat_timeval __user *tvp = compat_ptr(tvp_x);
544 __get_user(sec, &tvp->tv_sec);
545 __get_user(usec, &tvp->tv_usec);
546 if (sec == 0 && usec == 0)
552 asmlinkage void sunos_nop(void)
557 #if 0 /* This code doesn't translate user pointers correctly,
558 * disable for now. -DaveM
561 /* XXXXXXXXXX SunOS mount/umount. XXXXXXXXXXX */
562 #define SMNT_RDONLY 1
563 #define SMNT_NOSUID 2
564 #define SMNT_NEWTYPE 4
566 #define SMNT_REMOUNT 16
567 #define SMNT_NOSUB 32
568 #define SMNT_MULTI 64
569 #define SMNT_SYS5 128
572 char fh_data [NFS_FHSIZE];
575 struct sunos_nfs_mount_args {
576 struct sockaddr_in *addr; /* file server address */
577 struct nfs_fh *fh; /* File handle to be mounted */
578 int flags; /* flags */
579 int wsize; /* write size in bytes */
580 int rsize; /* read size in bytes */
581 int timeo; /* initial timeout in .1 secs */
582 int retrans; /* times to retry send */
583 char *hostname; /* server's hostname */
584 int acregmin; /* attr cache file min secs */
585 int acregmax; /* attr cache file max secs */
586 int acdirmin; /* attr cache dir min secs */
587 int acdirmax; /* attr cache dir max secs */
588 char *netname; /* server's netname */
592 /* Bind the socket on a local reserved port and connect it to the
593 * remote server. This on Linux/i386 is done by the mount program,
596 /* XXXXXXXXXXXXXXXXXXXX */
598 sunos_nfs_get_server_fd (int fd, struct sockaddr_in *addr)
600 struct sockaddr_in local;
601 struct sockaddr_in server;
604 struct socket *socket;
612 inode = file->f_dentry->d_inode;
614 socket = SOCKET_I(inode);
615 local.sin_family = AF_INET;
616 local.sin_addr.s_addr = INADDR_ANY;
618 /* IPPORT_RESERVED = 1024, can't find the definition in the kernel */
621 local.sin_port = htons (--try_port);
622 ret = socket->ops->bind(socket, (struct sockaddr*)&local,
624 } while (ret && try_port > (1024 / 2));
631 server.sin_family = AF_INET;
632 server.sin_addr = addr->sin_addr;
633 server.sin_port = NFS_PORT;
635 /* Call sys_connect */
636 ret = socket->ops->connect (socket, (struct sockaddr *) &server,
637 sizeof (server), file->f_flags);
644 /* XXXXXXXXXXXXXXXXXXXX */
645 static int get_default (int value, int def_value)
653 /* XXXXXXXXXXXXXXXXXXXX */
654 static int sunos_nfs_mount(char *dir_name, int linux_flags, void __user *data)
657 char *the_name, *mount_page;
658 struct nfs_mount_data linux_nfs_mount;
659 struct sunos_nfs_mount_args sunos_mount;
661 /* Ok, here comes the fun part: Linux's nfs mount needs a
662 * socket connection to the server, but SunOS mount does not
663 * require this, so we use the information on the destination
664 * address to create a socket and bind it to a reserved
665 * port on this system
667 if (copy_from_user(&sunos_mount, data, sizeof(sunos_mount)))
670 server_fd = sys_socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
674 if (copy_from_user(&linux_nfs_mount.addr, sunos_mount.addr,
675 sizeof(*sunos_mount.addr)) ||
676 copy_from_user(&linux_nfs_mount.root, sunos_mount.fh,
677 sizeof(*sunos_mount.fh))) {
678 sys_close (server_fd);
682 if (!sunos_nfs_get_server_fd (server_fd, &linux_nfs_mount.addr)){
683 sys_close (server_fd);
687 /* Now, bind it to a locally reserved port */
688 linux_nfs_mount.version = NFS_MOUNT_VERSION;
689 linux_nfs_mount.flags = sunos_mount.flags;
690 linux_nfs_mount.fd = server_fd;
692 linux_nfs_mount.rsize = get_default (sunos_mount.rsize, 8192);
693 linux_nfs_mount.wsize = get_default (sunos_mount.wsize, 8192);
694 linux_nfs_mount.timeo = get_default (sunos_mount.timeo, 10);
695 linux_nfs_mount.retrans = sunos_mount.retrans;
697 linux_nfs_mount.acregmin = sunos_mount.acregmin;
698 linux_nfs_mount.acregmax = sunos_mount.acregmax;
699 linux_nfs_mount.acdirmin = sunos_mount.acdirmin;
700 linux_nfs_mount.acdirmax = sunos_mount.acdirmax;
702 the_name = getname(sunos_mount.hostname);
703 if (IS_ERR(the_name))
704 return PTR_ERR(the_name);
706 strlcpy(linux_nfs_mount.hostname, the_name,
707 sizeof(linux_nfs_mount.hostname));
710 mount_page = (char *) get_zeroed_page(GFP_KERNEL);
714 memcpy(mount_page, &linux_nfs_mount, sizeof(linux_nfs_mount));
716 err = do_mount("", dir_name, "nfs", linux_flags, mount_page);
718 free_page((unsigned long) mount_page);
722 /* XXXXXXXXXXXXXXXXXXXX */
724 sunos_mount(char *type, char *dir, int flags, void *data)
729 char *dir_page, *type_page;
731 if (!capable (CAP_SYS_ADMIN))
734 /* We don't handle the integer fs type */
735 if ((flags & SMNT_NEWTYPE) == 0)
738 /* Do not allow for those flags we don't support */
739 if (flags & (SMNT_GRPID|SMNT_NOSUB|SMNT_MULTI|SMNT_SYS5))
742 if (flags & SMNT_REMOUNT)
743 linux_flags |= MS_REMOUNT;
744 if (flags & SMNT_RDONLY)
745 linux_flags |= MS_RDONLY;
746 if (flags & SMNT_NOSUID)
747 linux_flags |= MS_NOSUID;
749 dir_page = getname(dir);
750 ret = PTR_ERR(dir_page);
751 if (IS_ERR(dir_page))
754 type_page = getname(type);
755 ret = PTR_ERR(type_page);
756 if (IS_ERR(type_page))
759 if (strcmp(type_page, "ext2") == 0) {
760 dev_fname = getname(data);
761 } else if (strcmp(type_page, "iso9660") == 0) {
762 dev_fname = getname(data);
763 } else if (strcmp(type_page, "minix") == 0) {
764 dev_fname = getname(data);
765 } else if (strcmp(type_page, "nfs") == 0) {
766 ret = sunos_nfs_mount (dir_page, flags, data);
768 } else if (strcmp(type_page, "ufs") == 0) {
769 printk("Warning: UFS filesystem mounts unsupported.\n");
772 } else if (strcmp(type_page, "proc")) {
776 ret = PTR_ERR(dev_fname);
777 if (IS_ERR(dev_fname))
780 ret = do_mount(dev_fname, dir_page, type_page, linux_flags, NULL);
793 asmlinkage int sunos_setpgrp(pid_t pid, pid_t pgid)
798 if ((!pid || pid == current->pid) &&
803 ret = sys_setpgid(pid, pgid);
809 extern long compat_sys_wait4(compat_pid_t, compat_uint_t __user *, int,
810 struct compat_rusage __user *);
812 asmlinkage int sunos_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, struct compat_rusage __user *ru)
816 ret = compat_sys_wait4((pid ? pid : ((compat_pid_t)-1)),
817 stat_addr, options, ru);
821 extern int kill_pg(int, int, int);
822 asmlinkage int sunos_killpg(int pgrp, int sig)
824 return kill_pg(pgrp, sig, 0);
827 asmlinkage int sunos_audit(void)
829 printk ("sys_audit\n");
833 asmlinkage u32 sunos_gethostid(void)
837 ret = (((u32)idprom->id_machtype << 24) | ((u32)idprom->id_sernum));
842 /* sysconf options, for SunOS compatibility */
843 #define _SC_ARG_MAX 1
844 #define _SC_CHILD_MAX 2
845 #define _SC_CLK_TCK 3
846 #define _SC_NGROUPS_MAX 4
847 #define _SC_OPEN_MAX 5
848 #define _SC_JOB_CONTROL 6
849 #define _SC_SAVED_IDS 7
850 #define _SC_VERSION 8
852 asmlinkage s32 sunos_sysconf (int name)
861 ret = -1; /* no limit */
866 case _SC_NGROUPS_MAX:
872 case _SC_JOB_CONTROL:
873 ret = 1; /* yes, we do support job control */
876 ret = 1; /* yes, we do support saved uids */
879 /* mhm, POSIX_VERSION is in /usr/include/unistd.h
880 * should it go on /usr/include/linux?
891 asmlinkage int sunos_semsys(int op, u32 arg1, u32 arg2, u32 arg3, void __user *ptr)
898 /* Most arguments match on a 1:1 basis but cmd doesn't */
916 /* value to modify semaphore to */
918 ret = sys_semctl((int)arg1, (int)arg2, (int)arg3, arg4);
922 ret = sys_semget((key_t)arg1, (int)arg2, (int)arg3);
926 ret = sys_semop((int)arg1, (struct sembuf __user *)(unsigned long)arg2,
927 (unsigned int) arg3);
954 struct ipc_perm32 msg_perm;
957 compat_time_t msg_stime;
958 compat_time_t msg_rtime;
959 compat_time_t msg_ctime;
962 unsigned short msg_cbytes;
963 unsigned short msg_qnum;
964 unsigned short msg_qbytes;
965 compat_ipc_pid_t msg_lspid;
966 compat_ipc_pid_t msg_lrpid;
969 static inline int sunos_msqid_get(struct msqid_ds32 __user *user,
970 struct msqid_ds *kern)
972 if (get_user(kern->msg_perm.key, &user->msg_perm.key) ||
973 __get_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
974 __get_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
975 __get_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
976 __get_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
977 __get_user(kern->msg_stime, &user->msg_stime) ||
978 __get_user(kern->msg_rtime, &user->msg_rtime) ||
979 __get_user(kern->msg_ctime, &user->msg_ctime) ||
980 __get_user(kern->msg_ctime, &user->msg_cbytes) ||
981 __get_user(kern->msg_ctime, &user->msg_qnum) ||
982 __get_user(kern->msg_ctime, &user->msg_qbytes) ||
983 __get_user(kern->msg_ctime, &user->msg_lspid) ||
984 __get_user(kern->msg_ctime, &user->msg_lrpid))
989 static inline int sunos_msqid_put(struct msqid_ds32 __user *user,
990 struct msqid_ds *kern)
992 if (put_user(kern->msg_perm.key, &user->msg_perm.key) ||
993 __put_user(kern->msg_perm.uid, &user->msg_perm.uid) ||
994 __put_user(kern->msg_perm.gid, &user->msg_perm.gid) ||
995 __put_user(kern->msg_perm.cuid, &user->msg_perm.cuid) ||
996 __put_user(kern->msg_perm.cgid, &user->msg_perm.cgid) ||
997 __put_user(kern->msg_stime, &user->msg_stime) ||
998 __put_user(kern->msg_rtime, &user->msg_rtime) ||
999 __put_user(kern->msg_ctime, &user->msg_ctime) ||
1000 __put_user(kern->msg_ctime, &user->msg_cbytes) ||
1001 __put_user(kern->msg_ctime, &user->msg_qnum) ||
1002 __put_user(kern->msg_ctime, &user->msg_qbytes) ||
1003 __put_user(kern->msg_ctime, &user->msg_lspid) ||
1004 __put_user(kern->msg_ctime, &user->msg_lrpid))
1009 static inline int sunos_msgbuf_get(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1011 if (get_user(kern->mtype, &user->mtype) ||
1012 __copy_from_user(kern->mtext, &user->mtext, len))
1017 static inline int sunos_msgbuf_put(struct msgbuf32 __user *user, struct msgbuf *kern, int len)
1019 if (put_user(kern->mtype, &user->mtype) ||
1020 __copy_to_user(user->mtext, kern->mtext, len))
1025 asmlinkage int sunos_msgsys(int op, u32 arg1, u32 arg2, u32 arg3, u32 arg4)
1027 struct sparc_stackf32 __user *sp;
1028 struct msqid_ds kds;
1029 struct msgbuf *kmbuf;
1030 mm_segment_t old_fs = get_fs();
1036 rval = sys_msgget((key_t)arg1, (int)arg2);
1039 if (!sunos_msqid_get((struct msqid_ds32 __user *)(unsigned long)arg3, &kds)) {
1041 rval = sys_msgctl((int)arg1, (int)arg2,
1042 (struct msqid_ds __user *)(unsigned long)arg3);
1045 rval = sunos_msqid_put((struct msqid_ds32 __user *)(unsigned long)arg3,
1052 kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
1056 sp = (struct sparc_stackf32 __user *)
1057 (current_thread_info()->kregs->u_regs[UREG_FP] & 0xffffffffUL);
1058 if (get_user(arg5, &sp->xxargs[0])) {
1064 rval = sys_msgrcv((int)arg1, (struct msgbuf __user *) kmbuf,
1066 (long)arg4, (int)arg5);
1069 rval = sunos_msgbuf_put((struct msgbuf32 __user *)(unsigned long)arg2,
1075 kmbuf = (struct msgbuf *)kmalloc(sizeof(struct msgbuf) + arg3,
1077 if (!kmbuf || sunos_msgbuf_get((struct msgbuf32 __user *)(unsigned long)arg2,
1081 rval = sys_msgsnd((int)arg1, (struct msgbuf __user *) kmbuf,
1082 (size_t)arg3, (int)arg4);
1094 struct ipc_perm32 shm_perm;
1096 compat_time_t shm_atime;
1097 compat_time_t shm_dtime;
1098 compat_time_t shm_ctime;
1099 compat_ipc_pid_t shm_cpid;
1100 compat_ipc_pid_t shm_lpid;
1101 unsigned short shm_nattch;
1104 static inline int sunos_shmid_get(struct shmid_ds32 __user *user,
1105 struct shmid_ds *kern)
1107 if (get_user(kern->shm_perm.key, &user->shm_perm.key) ||
1108 __get_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1109 __get_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1110 __get_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1111 __get_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1112 __get_user(kern->shm_segsz, &user->shm_segsz) ||
1113 __get_user(kern->shm_atime, &user->shm_atime) ||
1114 __get_user(kern->shm_dtime, &user->shm_dtime) ||
1115 __get_user(kern->shm_ctime, &user->shm_ctime) ||
1116 __get_user(kern->shm_cpid, &user->shm_cpid) ||
1117 __get_user(kern->shm_lpid, &user->shm_lpid) ||
1118 __get_user(kern->shm_nattch, &user->shm_nattch))
1123 static inline int sunos_shmid_put(struct shmid_ds32 __user *user,
1124 struct shmid_ds *kern)
1126 if (put_user(kern->shm_perm.key, &user->shm_perm.key) ||
1127 __put_user(kern->shm_perm.uid, &user->shm_perm.uid) ||
1128 __put_user(kern->shm_perm.gid, &user->shm_perm.gid) ||
1129 __put_user(kern->shm_perm.cuid, &user->shm_perm.cuid) ||
1130 __put_user(kern->shm_perm.cgid, &user->shm_perm.cgid) ||
1131 __put_user(kern->shm_segsz, &user->shm_segsz) ||
1132 __put_user(kern->shm_atime, &user->shm_atime) ||
1133 __put_user(kern->shm_dtime, &user->shm_dtime) ||
1134 __put_user(kern->shm_ctime, &user->shm_ctime) ||
1135 __put_user(kern->shm_cpid, &user->shm_cpid) ||
1136 __put_user(kern->shm_lpid, &user->shm_lpid) ||
1137 __put_user(kern->shm_nattch, &user->shm_nattch))
1142 asmlinkage int sunos_shmsys(int op, u32 arg1, u32 arg2, u32 arg3)
1144 struct shmid_ds ksds;
1145 unsigned long raddr;
1146 mm_segment_t old_fs = get_fs();
1151 /* do_shmat(): attach a shared memory area */
1152 rval = do_shmat((int)arg1,(char __user *)(unsigned long)arg2,(int)arg3,&raddr);
1157 /* sys_shmctl(): modify shared memory area attr. */
1158 if (!sunos_shmid_get((struct shmid_ds32 __user *)(unsigned long)arg3, &ksds)) {
1160 rval = sys_shmctl((int) arg1,(int) arg2,
1161 (struct shmid_ds __user *) &ksds);
1164 rval = sunos_shmid_put((struct shmid_ds32 __user *)(unsigned long)arg3,
1170 /* sys_shmdt(): detach a shared memory area */
1171 rval = sys_shmdt((char __user *)(unsigned long)arg1);
1174 /* sys_shmget(): get a shared memory area */
1175 rval = sys_shmget((key_t)arg1,(int)arg2,(int)arg3);
1184 extern asmlinkage long sparc32_open(const char __user * filename, int flags, int mode);
1186 asmlinkage int sunos_open(u32 fname, int flags, int mode)
1188 const char __user *filename = compat_ptr(fname);
1190 return sparc32_open(filename, flags, mode);
1193 #define SUNOS_EWOULDBLOCK 35
1195 /* see the sunos man page read(2v) for an explanation
1196 of this garbage. We use O_NDELAY to mark
1197 file descriptors that have been set non-blocking
1198 using 4.2BSD style calls. (tridge) */
1200 static inline int check_nonblock(int ret, int fd)
1202 if (ret == -EAGAIN) {
1203 struct file * file = fget(fd);
1205 if (file->f_flags & O_NDELAY)
1206 ret = -SUNOS_EWOULDBLOCK;
1213 asmlinkage int sunos_read(unsigned int fd, char __user *buf, u32 count)
1217 ret = check_nonblock(sys_read(fd, buf, count), fd);
1221 asmlinkage int sunos_readv(u32 fd, void __user *vector, s32 count)
1225 ret = check_nonblock(compat_sys_readv(fd, vector, count), fd);
1229 asmlinkage int sunos_write(unsigned int fd, char __user *buf, u32 count)
1233 ret = check_nonblock(sys_write(fd, buf, count), fd);
1237 asmlinkage int sunos_writev(u32 fd, void __user *vector, s32 count)
1241 ret = check_nonblock(compat_sys_writev(fd, vector, count), fd);
1245 asmlinkage int sunos_recv(u32 __fd, void __user *ubuf, int size, unsigned flags)
1247 int ret, fd = (int) __fd;
1249 ret = check_nonblock(sys_recv(fd, ubuf, size, flags), fd);
1253 asmlinkage int sunos_send(u32 __fd, void __user *buff, int len, unsigned flags)
1255 int ret, fd = (int) __fd;
1257 ret = check_nonblock(sys_send(fd, buff, len, flags), fd);
1261 asmlinkage int sunos_accept(u32 __fd, struct sockaddr __user *sa, int __user *addrlen)
1263 int ret, fd = (int) __fd;
1266 ret = check_nonblock(sys_accept(fd, sa, addrlen), fd);
1267 if (ret != -ENETUNREACH && ret != -EHOSTUNREACH)
1273 #define SUNOS_SV_INTERRUPT 2
1275 asmlinkage int sunos_sigaction (int sig,
1276 struct old_sigaction32 __user *act,
1277 struct old_sigaction32 __user *oact)
1279 struct k_sigaction new_ka, old_ka;
1283 compat_old_sigset_t mask;
1286 if (get_user(u_handler, &act->sa_handler) ||
1287 __get_user(new_ka.sa.sa_flags, &act->sa_flags))
1289 new_ka.sa.sa_handler = compat_ptr(u_handler);
1290 __get_user(mask, &act->sa_mask);
1291 new_ka.sa.sa_restorer = NULL;
1292 new_ka.ka_restorer = NULL;
1293 siginitset(&new_ka.sa.sa_mask, mask);
1294 new_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1297 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
1300 old_ka.sa.sa_flags ^= SUNOS_SV_INTERRUPT;
1301 if (put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler) ||
1302 __put_user(old_ka.sa.sa_flags, &oact->sa_flags))
1304 __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
1310 asmlinkage int sunos_setsockopt(u32 __fd, u32 __level, u32 __optname,
1311 char __user *optval, u32 __optlen)
1313 int fd = (int) __fd;
1314 int level = (int) __level;
1315 int optname = (int) __optname;
1316 int optlen = (int) __optlen;
1317 int tr_opt = optname;
1320 if (level == SOL_IP) {
1321 /* Multicast socketopts (ttl, membership) */
1322 if (tr_opt >=2 && tr_opt <= 6)
1325 ret = sys_setsockopt(fd, level, tr_opt,
1330 asmlinkage int sunos_getsockopt(u32 __fd, u32 __level, u32 __optname,
1331 char __user *optval, int __user *optlen)
1333 int fd = (int) __fd;
1334 int level = (int) __level;
1335 int optname = (int) __optname;
1336 int tr_opt = optname;
1339 if (level == SOL_IP) {
1340 /* Multicast socketopts (ttl, membership) */
1341 if (tr_opt >=2 && tr_opt <= 6)
1344 ret = compat_sys_getsockopt(fd, level, tr_opt,