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|
/* $OpenBSD: osf1_misc.c,v 1.9 1998/02/17 01:48:07 millert Exp $ */
/* $NetBSD: osf1_misc.c,v 1.7 1995/10/07 06:53:04 mycroft Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/namei.h>
#include <sys/proc.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/filedesc.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/signal.h>
#include <sys/signalvar.h>
#include <sys/socketvar.h>
#include <sys/reboot.h>
#include <sys/syscallargs.h>
#include <sys/vnode.h>
#include <compat/osf1/osf1_syscall.h>
#include <compat/osf1/osf1_syscallargs.h>
#include <compat/osf1/osf1_util.h>
#include <vm/vm.h>
#ifdef SYSCALL_DEBUG
extern int scdebug;
#endif
extern struct sysent osf1_sysent[];
extern char *osf1_syscallnames[];
extern void cpu_exec_ecoff_setregs __P((struct proc *, struct exec_package *,
u_long, register_t *));
extern char sigcode[], esigcode[];
void cvtstat2osf1 __P((struct stat *, struct osf1_stat *));
struct emul emul_osf1 = {
"osf1",
NULL,
sendsig,
OSF1_SYS_syscall,
OSF1_SYS_MAXSYSCALL,
osf1_sysent,
osf1_syscallnames,
0,
copyargs,
cpu_exec_ecoff_setregs,
NULL,
sigcode,
esigcode,
};
int
osf1_sys_open(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_open_args /* {
syscallarg(char *) path;
syscallarg(int) flags;
syscallarg(int) mode;
} */ *uap = v;
struct sys_open_args /* {
syscallarg(char *) path;
syscallarg(int) flags;
syscallarg(int) mode;
} */ a;
#ifdef SYSCALL_DEBUG
char pnbuf[1024];
if (scdebug &&
copyinstr(SCARG(uap, path), pnbuf, sizeof pnbuf, NULL) == 0)
printf("osf1_open: open: %s\n", pnbuf);
#endif
SCARG(&a, path) = SCARG(uap, path);
SCARG(&a, flags) = SCARG(uap, flags); /* XXX translate */
SCARG(&a, mode) = SCARG(uap, mode);
return sys_open(p, &a, retval);
}
int
osf1_sys_setsysinfo(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
#if 0
struct osf1_setsysinfo_args /* {
syscallarg(u_long) op;
syscallarg(caddr_t) buffer;
syscallarg(u_long) nbytes;
syscallarg(caddr_t) arg;
syscallarg(u_long) flag;
} */ *uap = v;
#endif;
return (0);
}
#define OSF1_RLIMIT_LASTCOMMON 5 /* last one that's common */
#define OSF1_RLIMIT_NOFILE 6 /* OSF1's RLIMIT_NOFILE */
#define OSF1_RLIMIT_NLIMITS 8 /* Number of OSF1 rlimits */
int
osf1_sys_getrlimit(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_getrlimit_args /* {
syscallarg(u_int) which;
syscallarg(struct rlimit *) rlp;
} */ *uap = v;
struct sys_getrlimit_args /* {
syscallarg(u_int) which;
syscallarg(struct rlimit *) rlp;
} */ a;
if (SCARG(uap, which) >= OSF1_RLIMIT_NLIMITS)
return (EINVAL);
if (SCARG(uap, which) <= OSF1_RLIMIT_LASTCOMMON)
SCARG(&a, which) = SCARG(uap, which);
else if (SCARG(uap, which) == OSF1_RLIMIT_NOFILE)
SCARG(&a, which) = RLIMIT_NOFILE;
else
return (0);
SCARG(&a, rlp) = SCARG(uap, rlp);
return sys_getrlimit(p, &a, retval);
}
int
osf1_sys_setrlimit(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_setrlimit_args /* {
syscallarg(u_int) which;
syscallarg(struct rlimit *) rlp;
} */ *uap = v;
struct sys_setrlimit_args /* {
syscallarg(u_int) which;
syscallarg(struct rlimit *) rlp;
} */ a;
if (SCARG(uap, which) >= OSF1_RLIMIT_NLIMITS)
return (EINVAL);
if (SCARG(uap, which) <= OSF1_RLIMIT_LASTCOMMON)
SCARG(&a, which) = SCARG(uap, which);
else if (SCARG(uap, which) == OSF1_RLIMIT_NOFILE)
SCARG(&a, which) = RLIMIT_NOFILE;
else
return (0);
SCARG(&a, rlp) = SCARG(uap, rlp);
return sys_setrlimit(p, &a, retval);
}
#define OSF1_MAP_SHARED 0x001
#define OSF1_MAP_PRIVATE 0x002
#define OSF1_MAP_ANONYMOUS 0x010
#define OSF1_MAP_FILE 0x000
#define OSF1_MAP_TYPE 0x0f0
#define OSF1_MAP_FIXED 0x100
#define OSF1_MAP_HASSEMAPHORE 0x200
#define OSF1_MAP_INHERIT 0x400
#define OSF1_MAP_UNALIGNED 0x800
int
osf1_sys_mmap(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_mmap_args /* {
syscallarg(caddr_t) addr;
syscallarg(size_t) len;
syscallarg(int) prot;
syscallarg(int) flags;
syscallarg(int) fd;
syscallarg(off_t) pos;
} */ *uap = v;
struct sys_mmap_args /* {
syscallarg(caddr_t) addr;
syscallarg(size_t) len;
syscallarg(int) prot;
syscallarg(int) flags;
syscallarg(int) fd;
syscallarg(long) pad;
syscallarg(off_t) pos;
} */ a;
SCARG(&a, addr) = SCARG(uap, addr);
SCARG(&a, len) = SCARG(uap, len);
SCARG(&a, prot) = SCARG(uap, prot);
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, pad) = 0;
SCARG(&a, pos) = SCARG(uap, pos);
SCARG(&a, flags) = 0;
if (SCARG(uap, flags) & OSF1_MAP_SHARED)
SCARG(&a, flags) |= MAP_SHARED;
if (SCARG(uap, flags) & OSF1_MAP_PRIVATE)
SCARG(&a, flags) |= MAP_PRIVATE;
switch (SCARG(uap, flags) & OSF1_MAP_TYPE) {
case OSF1_MAP_ANONYMOUS:
SCARG(&a, flags) |= MAP_ANON;
break;
case OSF1_MAP_FILE:
SCARG(&a, flags) |= MAP_FILE;
break;
default:
return (EINVAL);
}
if (SCARG(uap, flags) & OSF1_MAP_FIXED)
SCARG(&a, flags) |= MAP_FIXED;
if (SCARG(uap, flags) & OSF1_MAP_HASSEMAPHORE)
SCARG(&a, flags) |= MAP_HASSEMAPHORE;
if (SCARG(uap, flags) & OSF1_MAP_INHERIT)
SCARG(&a, flags) |= MAP_INHERIT;
if (SCARG(uap, flags) & OSF1_MAP_UNALIGNED)
return (EINVAL);
return sys_mmap(p, &a, retval);
}
int
osf1_sys_usleep_thread(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_usleep_thread_args /* {
syscallarg(struct timeval *) sleep;
syscallarg(struct timeval *) slept;
} */ *uap = v;
struct timeval tv, endtv;
u_long ticks;
int error, s;
if ((error = copyin(SCARG(uap, sleep), &tv, sizeof tv)) != 0)
return (error);
ticks = ((u_long)tv.tv_sec * 1000000 + tv.tv_usec) / tick;
s = splclock();
tv = time;
splx(s);
tsleep(p, PUSER|PCATCH, "OSF/1", ticks); /* XXX */
if (SCARG(uap, slept) != NULL) {
s = splclock();
timersub(&time, &tv, &endtv);
splx(s);
if (tv.tv_sec < 0 || tv.tv_usec < 0)
tv.tv_sec = tv.tv_usec = 0;
error = copyout(&endtv, SCARG(uap, slept), sizeof endtv);
}
return (error);
}
struct osf1_stat {
int32_t st_dev;
u_int32_t st_ino;
u_int32_t st_mode;
u_int16_t st_nlink;
u_int32_t st_uid;
u_int32_t st_gid;
int32_t st_rdev;
u_int64_t st_size;
int32_t st_atime_sec;
int32_t st_spare1;
int32_t st_mtime_sec;
int32_t st_spare2;
int32_t st_ctime_sec;
int32_t st_spare3;
u_int32_t st_blksize;
int32_t st_blocks;
u_int32_t st_flags;
u_int32_t st_gen;
};
/*
* Get file status; this version follows links.
*/
/* ARGSUSED */
int
osf1_sys_stat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct osf1_sys_stat_args /* {
syscallarg(char *) path;
syscallarg(struct osf1_stat *) ub;
} */ *uap = v;
struct stat sb;
struct osf1_stat osb;
int error;
struct nameidata nd;
NDINIT(&nd, LOOKUP, FOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)) != 0)
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
cvtstat2osf1(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Get file status; this version does not follow links.
*/
/* ARGSUSED */
int
osf1_sys_lstat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct osf1_sys_lstat_args /* {
syscallarg(char *) path;
syscallarg(struct osf1_stat *) ub;
} */ *uap = v;
struct stat sb;
struct osf1_stat osb;
int error;
struct nameidata nd;
NDINIT(&nd, LOOKUP, NOFOLLOW | LOCKLEAF, UIO_USERSPACE,
SCARG(uap, path), p);
if ((error = namei(&nd)) != 0)
return (error);
error = vn_stat(nd.ni_vp, &sb, p);
vput(nd.ni_vp);
if (error)
return (error);
cvtstat2osf1(&sb, &osb);
error = copyout((caddr_t)&osb, (caddr_t)SCARG(uap, ub), sizeof (osb));
return (error);
}
/*
* Return status information about a file descriptor.
*/
int
osf1_sys_fstat(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct osf1_sys_fstat_args /* {
syscallarg(int) fd;
syscallarg(struct osf1_stat *) sb;
} */ *uap = v;
register struct filedesc *fdp = p->p_fd;
register struct file *fp;
struct stat ub;
struct osf1_stat oub;
int error;
if ((unsigned)SCARG(uap, fd) >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL)
return (EBADF);
switch (fp->f_type) {
case DTYPE_VNODE:
error = vn_stat((struct vnode *)fp->f_data, &ub, p);
break;
case DTYPE_SOCKET:
error = soo_stat((struct socket *)fp->f_data, &ub);
break;
default:
panic("ofstat");
/*NOTREACHED*/
}
cvtstat2osf1(&ub, &oub);
if (error == 0)
error = copyout((caddr_t)&oub, (caddr_t)SCARG(uap, sb),
sizeof (oub));
return (error);
}
#define bsd2osf_dev(dev) (major(dev) << 20 | minor(dev))
#define osf2bsd_dev(dev) makedev((dev >> 20) & 0xfff, dev & 0xfffff)
/*
* Convert from a stat structure to an osf1 stat structure.
*/
void
cvtstat2osf1(st, ost)
struct stat *st;
struct osf1_stat *ost;
{
ost->st_dev = bsd2osf_dev(st->st_dev);
ost->st_ino = st->st_ino;
ost->st_mode = st->st_mode;
ost->st_nlink = st->st_nlink;
ost->st_uid = st->st_uid == -2 ? (u_int16_t) -2 : st->st_uid;
ost->st_gid = st->st_gid == -2 ? (u_int16_t) -2 : st->st_gid;
ost->st_rdev = bsd2osf_dev(st->st_rdev);
ost->st_size = st->st_size;
ost->st_atime_sec = st->st_atime;
ost->st_spare1 = 0;
ost->st_mtime_sec = st->st_mtime;
ost->st_spare2 = 0;
ost->st_ctime_sec = st->st_ctime;
ost->st_spare3 = 0;
ost->st_blksize = st->st_blksize;
ost->st_blocks = st->st_blocks;
ost->st_flags = st->st_flags;
ost->st_gen = st->st_gen;
}
int
osf1_sys_mknod(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_mknod_args /* {
syscallarg(char *) path;
syscallarg(int) mode;
syscallarg(int) dev;
} */ *uap = v;
struct sys_mknod_args a;
SCARG(&a, path) = SCARG(uap, path);
SCARG(&a, mode) = SCARG(uap, mode);
SCARG(&a, dev) = osf2bsd_dev(SCARG(uap, dev));
return sys_mknod(p, &a, retval);
}
#define OSF1_F_DUPFD 0
#define OSF1_F_GETFD 1
#define OSF1_F_SETFD 2
#define OSF1_F_GETFL 3
#define OSF1_F_SETFL 4
#define OSF1_FAPPEND 0x00008 /* XXX OSF1_O_APPEND */
#define OSF1_FNONBLOCK 0x00004 /* XXX OSF1_O_NONBLOCK */
#define OSF1_FASYNC 0x00040
#define OSF1_FSYNC 0x04000 /* XXX OSF1_O_SYNC */
int
osf1_sys_fcntl(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_fcntl_args /* {
syscallarg(int) fd;
syscallarg(int) cmd;
syscallarg(void *) arg;
} */ *uap = v;
struct sys_fcntl_args a;
long tmp;
int error;
SCARG(&a, fd) = SCARG(uap, fd);
switch (SCARG(uap, cmd)) {
case OSF1_F_DUPFD:
SCARG(&a, cmd) = F_DUPFD;
SCARG(&a, arg) = SCARG(uap, arg);
break;
case OSF1_F_GETFD:
SCARG(&a, cmd) = F_GETFD;
SCARG(&a, arg) = SCARG(uap, arg);
break;
case OSF1_F_SETFD:
SCARG(&a, cmd) = F_SETFD;
SCARG(&a, arg) = SCARG(uap, arg);
break;
case OSF1_F_GETFL:
SCARG(&a, cmd) = F_GETFL;
SCARG(&a, arg) = SCARG(uap, arg); /* ignored */
break;
case OSF1_F_SETFL:
SCARG(&a, cmd) = F_SETFL;
tmp = 0;
if ((long)SCARG(uap, arg) & OSF1_FAPPEND)
tmp |= FAPPEND;
if ((long)SCARG(uap, arg) & OSF1_FNONBLOCK)
tmp |= FNONBLOCK;
if ((long)SCARG(uap, arg) & OSF1_FASYNC)
tmp |= FASYNC;
if ((long)SCARG(uap, arg) & OSF1_FSYNC)
tmp |= FFSYNC;
SCARG(&a, arg) = (void *)tmp;
break;
default: /* XXX other cases */
return (EINVAL);
}
error = sys_fcntl(p, &a, retval);
if (error)
return error;
switch (SCARG(uap, cmd)) {
case OSF1_F_GETFL:
/* XXX */
break;
}
return error;
}
int
osf1_sys_poll(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct osf1_sys_poll_args /* {
syscallarg(struct pollfd *) fds;
syscallarg(unsigned int) nfds;
syscallarg(int) timeout;
} */ *uap = v;
struct sys_poll_args a;
SCARG(&a, fds) = SCARG(uap, fds);
SCARG(&a, nfds) = SCARG(uap, nfds);
SCARG(&a, timeout) = SCARG(uap, timeout);
return sys_poll(p, &a, retval);
}
int
osf1_sys_socket(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct osf1_sys_socket_args /* {
syscallarg(int) domain;
syscallarg(int) type;
syscallarg(int) protocol;
} */ *uap = v;
struct sys_socket_args a;
if (SCARG(uap, type) > AF_LINK)
return (EINVAL); /* XXX After AF_LINK, divergence. */
SCARG(&a, domain) = SCARG(uap, domain);
SCARG(&a, type) = SCARG(uap, type);
SCARG(&a, protocol) = SCARG(uap, protocol);
return sys_socket(p, &a, retval);
}
int
osf1_sys_sendto(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
register struct osf1_sys_sendto_args /* {
syscallarg(int) s;
syscallarg(const void *) buf;
syscallarg(size_t) len;
syscallarg(int) flags;
syscallarg(const struct sockaddr *) to;
syscallarg(int) tolen;
} */ *uap = v;
struct sys_sendto_args a;
if (SCARG(uap, flags) & ~0x7f) /* unsupported flags */
return (EINVAL);
SCARG(&a, s) = SCARG(uap, s);
SCARG(&a, buf) = SCARG(uap, buf);
SCARG(&a, len) = SCARG(uap, len);
SCARG(&a, flags) = SCARG(uap, flags);
SCARG(&a, to) = SCARG(uap, to);
SCARG(&a, tolen) = SCARG(uap, tolen);
return sys_sendto(p, &a, retval);
}
#define OSF1_RB_ASKNAME 0x001
#define OSF1_RB_SINGLE 0x002
#define OSF1_RB_NOSYNC 0x004
#define OSF1_RB_HALT 0x008
#define OSF1_RB_INITNAME 0x010
#define OSF1_RB_DFLTROOT 0x020
#define OSF1_RB_ALTBOOT 0x040
#define OSF1_RB_UNIPROC 0x080
#define OSF1_RB_ALLFLAGS 0x0ff /* all of the above */
int
osf1_sys_reboot(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_reboot_args /* {
syscallarg(int) opt;
} */ *uap = v;
struct sys_reboot_args a;
if (SCARG(uap, opt) & ~OSF1_RB_ALLFLAGS &&
SCARG(uap, opt) & (OSF1_RB_ALTBOOT|OSF1_RB_UNIPROC))
return (EINVAL);
SCARG(&a, opt) = 0;
if (SCARG(uap, opt) & OSF1_RB_ASKNAME)
SCARG(&a, opt) |= RB_ASKNAME;
if (SCARG(uap, opt) & OSF1_RB_SINGLE)
SCARG(&a, opt) |= RB_SINGLE;
if (SCARG(uap, opt) & OSF1_RB_NOSYNC)
SCARG(&a, opt) |= RB_NOSYNC;
if (SCARG(uap, opt) & OSF1_RB_HALT)
SCARG(&a, opt) |= RB_HALT;
if (SCARG(uap, opt) & OSF1_RB_INITNAME)
SCARG(&a, opt) |= RB_INITNAME;
if (SCARG(uap, opt) & OSF1_RB_DFLTROOT)
SCARG(&a, opt) |= RB_DFLTROOT;
return sys_reboot(p, &a, retval);
}
int
osf1_sys_lseek(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_lseek_args /* {
syscallarg(int) fd;
syscallarg(off_t) offset;
syscallarg(int) whence;
} */ *uap = v;
struct sys_lseek_args a;
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, pad) = 0;
SCARG(&a, offset) = SCARG(uap, offset);
SCARG(&a, whence) = SCARG(uap, whence);
return sys_lseek(p, &a, retval);
}
/*
* OSF/1 defines _POSIX_SAVED_IDS, which means that our normal
* setuid() won't work.
*
* Instead, by P1003.1b-1993, setuid() is supposed to work like:
* If the process has appropriate [super-user] priviledges, the
* setuid() function sets the real user ID, effective user
* ID, and the saved set-user-ID to uid.
* If the process does not have appropriate priviledges, but uid
* is equal to the real user ID or the saved set-user-ID, the
* setuid() function sets the effective user ID to uid; the
* real user ID and saved set-user-ID remain unchanged by
* this function call.
*/
int
osf1_sys_setuid(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_setuid_args /* {
syscallargs(uid_t) uid;
} */ *uap = v;
register struct pcred *pc = p->p_cred;
uid_t uid = SCARG(uap, uid);
int error;
if ((error = suser(pc->pc_ucred, &p->p_acflag)) != 0 &&
uid != pc->p_ruid && uid != pc->p_svuid)
return (error);
pc->pc_ucred = crcopy(pc->pc_ucred);
pc->pc_ucred->cr_uid = uid;
if (error == 0) {
(void)chgproccnt(pc->p_ruid, -1);
(void)chgproccnt(uid, 1);
pc->p_ruid = uid;
pc->p_svuid = uid;
}
p->p_flag |= P_SUGID;
return (0);
}
/*
* OSF/1 defines _POSIX_SAVED_IDS, which means that our normal
* setgid() won't work.
*
* If you change "uid" to "gid" in the discussion, above, about
* setuid(), you'll get a correct description of setgid().
*/
int
osf1_sys_setgid(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_setgid_args /* {
syscallargs(gid_t) gid;
} */ *uap = v;
register struct pcred *pc = p->p_cred;
gid_t gid = SCARG(uap, gid);
int error;
if ((error = suser(pc->pc_ucred, &p->p_acflag)) != 0 &&
gid != pc->p_rgid && gid != pc->p_svgid)
return (error);
pc->pc_ucred = crcopy(pc->pc_ucred);
pc->pc_ucred->cr_gid = gid;
if (error == 0) {
pc->p_rgid = gid;
pc->p_svgid = gid;
}
p->p_flag |= P_SUGID;
return (0);
}
/*
* The structures end up being the same... but we can't be sure that
* the other word of our iov_len is zero!
*/
struct osf1_iovec {
char *iov_base;
int iov_len;
};
int
osf1_sys_readv(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_readv_args /* {
syscallarg(int) fd;
syscallarg(struct osf1_iovec *) iovp;
syscallarg(u_int) iovcnt;
} */ *uap = v;
struct sys_readv_args /* {
syscallarg(int) fd;
syscallarg(struct iovec *) iovp;
syscallarg(u_int) iovcnt;
} */ a;
struct emul *e = p->p_emul;
struct osf1_iovec *oio;
struct iovec *nio;
int error, i;
extern char sigcode[], esigcode[];
if (SCARG(uap, iovcnt) > (STACKGAPLEN / sizeof (struct iovec)))
return (EINVAL);
oio = (struct osf1_iovec *)
malloc(SCARG(uap, iovcnt)*sizeof (struct osf1_iovec),
M_TEMP, M_WAITOK);
nio = (struct iovec *)malloc(SCARG(uap, iovcnt)*sizeof (struct iovec),
M_TEMP, M_WAITOK);
error = 0;
if ((error = copyin(SCARG(uap, iovp), oio,
SCARG(uap, iovcnt) * sizeof (struct osf1_iovec))) != 0)
goto punt;
for (i = 0; i < SCARG(uap, iovcnt); i++) {
nio[i].iov_base = oio[i].iov_base;
nio[i].iov_len = oio[i].iov_len;
}
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, iovp) = (struct iovec *)STACKGAPBASE;
SCARG(&a, iovcnt) = SCARG(uap, iovcnt);
if ((error = copyout(nio, (caddr_t)SCARG(&a, iovp),
SCARG(uap, iovcnt) * sizeof (struct iovec))) != 0)
goto punt;
error = sys_readv(p, &a, retval);
punt:
free(oio, M_TEMP);
free(nio, M_TEMP);
return (error);
}
int
osf1_sys_writev(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_writev_args /* {
syscallarg(int) fd;
syscallarg(struct osf1_iovec *) iovp;
syscallarg(u_int) iovcnt;
} */ *uap = v;
struct sys_writev_args /* {
syscallarg(int) fd;
syscallarg(struct iovec *) iovp;
syscallarg(u_int) iovcnt;
} */ a;
struct emul *e = p->p_emul;
struct osf1_iovec *oio;
struct iovec *nio;
int error, i;
extern char sigcode[], esigcode[];
if (SCARG(uap, iovcnt) > (STACKGAPLEN / sizeof (struct iovec)))
return (EINVAL);
oio = (struct osf1_iovec *)
malloc(SCARG(uap, iovcnt)*sizeof (struct osf1_iovec),
M_TEMP, M_WAITOK);
nio = (struct iovec *)malloc(SCARG(uap, iovcnt)*sizeof (struct iovec),
M_TEMP, M_WAITOK);
error = 0;
if ((error = copyin(SCARG(uap, iovp), oio,
SCARG(uap, iovcnt) * sizeof (struct osf1_iovec))) != 0)
goto punt;
for (i = 0; i < SCARG(uap, iovcnt); i++) {
nio[i].iov_base = oio[i].iov_base;
nio[i].iov_len = oio[i].iov_len;
}
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, iovp) = (struct iovec *)STACKGAPBASE;
SCARG(&a, iovcnt) = SCARG(uap, iovcnt);
if ((error = copyout(nio, (caddr_t)SCARG(&a, iovp),
SCARG(uap, iovcnt) * sizeof (struct iovec))) != 0)
goto punt;
error = sys_writev(p, &a, retval);
punt:
free(oio, M_TEMP);
free(nio, M_TEMP);
return (error);
}
/* More of the stupid off_t padding! */
int
osf1_sys_truncate(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_truncate_args /* {
syscallarg(char *) path;
syscallarg(off_t) length;
} */ *uap = v;
struct sys_truncate_args a;
SCARG(&a, path) = SCARG(uap, path);
SCARG(&a, pad) = 0;
SCARG(&a, length) = SCARG(uap, length);
return sys_truncate(p, &a, retval);
}
int
osf1_sys_ftruncate(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_ftruncate_args /* {
syscallarg(int) fd;
syscallarg(off_t) length;
} */ *uap = v;
struct sys_ftruncate_args a;
SCARG(&a, fd) = SCARG(uap, fd);
SCARG(&a, pad) = 0;
SCARG(&a, length) = SCARG(uap, length);
return sys_ftruncate(p, &a, retval);
}
int
osf1_sys_getsid(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_getsid_args /* {
syscallarg(pid_t) pid;
} */ *uap = v;
struct proc *t;
if (SCARG(uap, pid) == 0)
t = p;
else if ((t = pfind(SCARG(uap, pid))) == NULL)
return (ESRCH);
*retval = t->p_session->s_leader->p_pid;
return (0);
}
int
osf1_sys_getrusage(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
/* XXX */
return EINVAL;
}
int
osf1_sys_madvise(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
/* XXX */
return EINVAL;
}
int
osf1_sys_execve(p, v, retval)
struct proc *p;
void *v;
register_t *retval;
{
struct osf1_sys_execve_args *uap = v;
#if 0
caddr_t sg = stackgap_init(p->p_emul);
OSF1_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
#endif
return (sys_execve(p, (struct sys_execve_args *)&uap, retval));
}
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