remove the Linux emulation code, no longer referenced by anything

1 files changed, 0 insertions, 975 deletions

diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c
deleted file mode 100644
index 96df18a5e4e..00000000000
--- a/sys/compat/linux/linux_file.c
+++ /dev/null
@@ -1,975 +0,0 @@
-/*	$OpenBSD: linux_file.c,v 1.30 2014/03/26 05:23:42 guenther Exp $	*/
-/*	$NetBSD: linux_file.c,v 1.15 1996/05/20 01:59:09 fvdl Exp $	*/
-
-/*
- * Copyright (c) 1995 Frank van der Linden
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed for the NetBSD Project
- *      by Frank van der Linden
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#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/ioctl.h>
-#include <sys/kernel.h>
-#include <sys/mount.h>
-#include <sys/signalvar.h>
-#include <sys/uio.h>
-#include <sys/malloc.h>
-#include <sys/vnode.h>
-#include <sys/tty.h>
-#include <sys/conf.h>
-#include <sys/stdint.h>
-
-#include <sys/syscallargs.h>
-
-#include <compat/linux/linux_types.h>
-#include <compat/linux/linux_signal.h>
-#include <compat/linux/linux_syscallargs.h>
-#include <compat/linux/linux_fcntl.h>
-#include <compat/linux/linux_util.h>
-
-#include <machine/linux_machdep.h>
-
-static int linux_to_bsd_ioflags(int);
-static int bsd_to_linux_ioflags(int);
-static void bsd_to_linux_flock(struct flock *, struct linux_flock *);
-static void linux_to_bsd_flock(struct linux_flock *, struct flock *);
-static int bsd_to_linux_stat(struct stat *, struct linux_stat *);
-static int linux_stat1(struct proc *, void *, register_t *, int);
-
-
-/*
- * Some file-related calls are handled here. The usual flag conversion
- * an structure conversion is done, and alternate emul path searching.
- */
-
-/*
- * The next two functions convert between the Linux and OpenBSD values
- * of the flags used in open(2) and fcntl(2).
- */
-static int
-linux_to_bsd_ioflags(lflags)
-	int lflags;
-{
-	int res = 0;
-
-	res |= cvtto_bsd_mask(lflags, LINUX_O_WRONLY, O_WRONLY);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_RDONLY, O_RDONLY);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_RDWR, O_RDWR);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_CREAT, O_CREAT);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_EXCL, O_EXCL);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_NOCTTY, O_NOCTTY);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_TRUNC, O_TRUNC);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_NDELAY, O_NDELAY);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_SYNC, O_SYNC);
-	res |= cvtto_bsd_mask(lflags, LINUX_FASYNC, O_ASYNC);
-	res |= cvtto_bsd_mask(lflags, LINUX_O_APPEND, O_APPEND);
-
-	return res;
-}
-
-static int
-bsd_to_linux_ioflags(bflags)
-	int bflags;
-{
-	int res = 0;
-
-	res |= cvtto_linux_mask(bflags, O_WRONLY, LINUX_O_WRONLY);
-	res |= cvtto_linux_mask(bflags, O_RDONLY, LINUX_O_RDONLY);
-	res |= cvtto_linux_mask(bflags, O_RDWR, LINUX_O_RDWR);
-	res |= cvtto_linux_mask(bflags, O_CREAT, LINUX_O_CREAT);
-	res |= cvtto_linux_mask(bflags, O_EXCL, LINUX_O_EXCL);
-	res |= cvtto_linux_mask(bflags, O_NOCTTY, LINUX_O_NOCTTY);
-	res |= cvtto_linux_mask(bflags, O_TRUNC, LINUX_O_TRUNC);
-	res |= cvtto_linux_mask(bflags, O_NDELAY, LINUX_O_NDELAY);
-	res |= cvtto_linux_mask(bflags, O_SYNC, LINUX_O_SYNC);
-	res |= cvtto_linux_mask(bflags, O_ASYNC, LINUX_FASYNC);
-	res |= cvtto_linux_mask(bflags, O_APPEND, LINUX_O_APPEND);
-
-	return res;
-}
-
-/*
- * creat(2) is an obsolete function, but it's present as a Linux
- * system call, so let's deal with it.
- *
- * Just call open(2) with the TRUNC, CREAT and WRONLY flags.
- */
-int
-linux_sys_creat(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_creat_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) mode;
-	} */ *uap = v;
-	struct sys_open_args oa;
-	caddr_t sg;
-
-	sg = stackgap_init(p);
-	LINUX_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
-
-	SCARG(&oa, path) = SCARG(uap, path);
-	SCARG(&oa, flags) = O_CREAT | O_TRUNC | O_WRONLY;
-	SCARG(&oa, mode) = SCARG(uap, mode);
-
-	return sys_open(p, &oa, retval);
-}
-
-/*
- * open(2). Take care of the different flag values, and let the
- * OpenBSD syscall do the real work. See if this operation
- * gives the current process a controlling terminal.
- * (XXX is this necessary?)
- */
-int
-linux_sys_open(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_open_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) flags;
-		syscallarg(int) mode;
-	} */ *uap = v;
-	int error, fl;
-	struct sys_open_args boa;
-	caddr_t sg;
-
-	sg = stackgap_init(p);
-
-	fl = linux_to_bsd_ioflags(SCARG(uap, flags));
-
-	if (fl & O_CREAT)
-		LINUX_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
-	else
-		LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	SCARG(&boa, path) = SCARG(uap, path);
-	SCARG(&boa, flags) = fl;
-	SCARG(&boa, mode) = SCARG(uap, mode);
-
-	if ((error = sys_open(p, &boa, retval)))
-		return error;
-
-	/*
-	 * this bit from sunos_misc.c (and svr4_fcntl.c).
-	 * If we are a session leader, and we don't have a controlling
-	 * terminal yet, and the O_NOCTTY flag is not set, try to make
-	 * this the controlling terminal.
-	 */ 
-        if (!(fl & O_NOCTTY) && SESS_LEADER(p->p_p) &&
-	    !(p->p_p->ps_flags & PS_CONTROLT)) {
-                struct filedesc *fdp = p->p_fd;
-                struct file     *fp;
-
-		if ((fp = fd_getfile(fdp, *retval)) == NULL)
-			return (EBADF);
-		FREF(fp);
-                if (fp->f_type == DTYPE_VNODE)
-                        (fp->f_ops->fo_ioctl) (fp, TIOCSCTTY, (caddr_t) 0, p);
-		FRELE(fp, p);
-        }
-	return 0;
-}
-
-int
-linux_sys_lseek(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_lseek_args /* {
-		syscallarg(int) fd;
-		syscallarg(long) offset;
-		syscallarg(int) whence;
-	} */ *uap = v;
-	struct sys_lseek_args bla;
-
-	SCARG(&bla, fd) = SCARG(uap, fd);
-	SCARG(&bla, offset) = SCARG(uap, offset);
-	SCARG(&bla, whence) = SCARG(uap, whence);
-
-	return sys_lseek(p, &bla, retval);
-}
-
-/*
- * This appears to be part of a Linux attempt to switch to 64 bits file sizes.
- */
-int
-linux_sys_llseek(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_llseek_args /* {
-		syscallarg(int) fd;
-		syscallarg(uint32_t) ohigh;
-		syscallarg(uint32_t) olow;
-		syscallarg(caddr_t) res;
-		syscallarg(int) whence;
-	} */ *uap = v;
-	struct sys_lseek_args bla;
-	int error;
-	off_t off;
-
-	off = SCARG(uap, olow) | (((off_t) SCARG(uap, ohigh)) << 32);
-
-	SCARG(&bla, fd) = SCARG(uap, fd);
-	SCARG(&bla, offset) = off;
-	SCARG(&bla, whence) = SCARG(uap, whence);
-
-	if ((error = sys_lseek(p, &bla, retval)))
-		return error;
-
-	if ((error = copyout(retval, SCARG(uap, res), sizeof (off_t))))
-		return error;
-
-	retval[0] = 0;
-	return 0;
-}
-
-/*
- * The next two functions take care of converting the flock
- * structure back and forth between Linux and OpenBSD format.
- * The only difference in the structures is the order of
- * the fields, and the 'whence' value.
- */
-static void
-bsd_to_linux_flock(bfp, lfp)
-	struct flock *bfp;
-	struct linux_flock *lfp;
-{
-
-	lfp->l_start = bfp->l_start;
-	lfp->l_len = bfp->l_len;
-	lfp->l_pid = bfp->l_pid;
-	lfp->l_whence = bfp->l_whence;
-	switch (bfp->l_type) {
-	case F_RDLCK:
-		lfp->l_type = LINUX_F_RDLCK;
-		break;
-	case F_UNLCK:
-		lfp->l_type = LINUX_F_UNLCK;
-		break;
-	case F_WRLCK:
-		lfp->l_type = LINUX_F_WRLCK;
-		break;
-	}
-}
-
-static void
-linux_to_bsd_flock(lfp, bfp)
-	struct linux_flock *lfp;
-	struct flock *bfp;
-{
-
-	bfp->l_start = lfp->l_start;
-	bfp->l_len = lfp->l_len;
-	bfp->l_pid = lfp->l_pid;
-	bfp->l_whence = lfp->l_whence;
-	switch (lfp->l_type) {
-	case LINUX_F_RDLCK:
-		bfp->l_type = F_RDLCK;
-		break;
-	case LINUX_F_UNLCK:
-		bfp->l_type = F_UNLCK;
-		break;
-	case LINUX_F_WRLCK:
-		bfp->l_type = F_WRLCK;
-		break;
-	}
-}
-
-/*
- * Most actions in the fcntl() call are straightforward; simply
- * pass control to the OpenBSD system call. A few commands need
- * conversions after the actual system call has done its work,
- * because the flag values and lock structure are different.
- */
-int
-linux_sys_fcntl(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_fcntl_args /* {
-		syscallarg(int) fd;
-		syscallarg(int) cmd;
-		syscallarg(void *) arg;
-	} */ *uap = v;
-	int fd, cmd, error;
-	intptr_t val;
-	caddr_t arg, sg;
-	struct linux_flock lfl;
-	struct flock *bfp, bfl;
-	struct sys_fcntl_args fca;
-	struct filedesc *fdp;
-	struct file *fp;
-	struct vnode *vp;
-	struct vattr va;
-	long pgid;
-	struct pgrp *pgrp;
-	struct tty *tp, *(*d_tty)(dev_t);
-
-	fd = SCARG(uap, fd);
-	cmd = SCARG(uap, cmd);
-	arg = (caddr_t) SCARG(uap, arg);
-
-	switch (cmd) {
-	case LINUX_F_DUPFD:
-		cmd = F_DUPFD;
-		break;
-	case LINUX_F_GETFD:
-		cmd = F_GETFD;
-		break;
-	case LINUX_F_SETFD:
-		cmd = F_SETFD;
-		break;
-	case LINUX_F_GETFL:
-		SCARG(&fca, fd) = fd;
-		SCARG(&fca, cmd) = F_GETFL;
-		SCARG(&fca, arg) = arg;
-		if ((error = sys_fcntl(p, &fca, retval)))
-			return error;
-		retval[0] = bsd_to_linux_ioflags(retval[0]);
-		return 0;
-	case LINUX_F_SETFL:
-		val = linux_to_bsd_ioflags((intptr_t)SCARG(uap, arg));
-		SCARG(&fca, fd) = fd;
-		SCARG(&fca, cmd) = F_SETFL;
-		SCARG(&fca, arg) = (caddr_t) val;
-		return sys_fcntl(p, &fca, retval);
-	case LINUX_F_GETLK:
-		sg = stackgap_init(p);
-		if ((error = copyin(arg, &lfl, sizeof lfl)))
-			return error;
-		linux_to_bsd_flock(&lfl, &bfl);
-		bfp = (struct flock *) stackgap_alloc(&sg, sizeof *bfp);
-		SCARG(&fca, fd) = fd;
-		SCARG(&fca, cmd) = F_GETLK;
-		SCARG(&fca, arg) = bfp;
-		if ((error = copyout(&bfl, bfp, sizeof bfl)))
-			return error;
-		if ((error = sys_fcntl(p, &fca, retval)))
-			return error;
-		if ((error = copyin(bfp, &bfl, sizeof bfl)))
-			return error;
-		bsd_to_linux_flock(&bfl, &lfl);
-		error = copyout(&lfl, arg, sizeof lfl);
-		return error;
-		break;
-	case LINUX_F_SETLK:
-	case LINUX_F_SETLKW:
-		cmd = (cmd == LINUX_F_SETLK ? F_SETLK : F_SETLKW);
-		if ((error = copyin(arg, &lfl, sizeof lfl)))
-			return error;
-		linux_to_bsd_flock(&lfl, &bfl);
-		sg = stackgap_init(p);
-		bfp = (struct flock *) stackgap_alloc(&sg, sizeof *bfp);
-		if ((error = copyout(&bfl, bfp, sizeof bfl)))
-			return error;
-		SCARG(&fca, fd) = fd;
-		SCARG(&fca, cmd) = cmd;
-		SCARG(&fca, arg) = bfp;
-		return sys_fcntl(p, &fca, retval);
-		break;
-	case LINUX_F_SETOWN:
-	case LINUX_F_GETOWN:	
-		/*
-		 * We need to route around the normal fcntl() for these calls,
-		 * since it uses TIOC{G,S}PGRP, which is too restrictive for
-		 * Linux F_{G,S}ETOWN semantics. For sockets, this problem
-		 * does not exist.
-		 */
-		fdp = p->p_fd;
-		if ((fp = fd_getfile(fdp, fd)) == NULL)
-			return (EBADF);
-		if (fp->f_type == DTYPE_SOCKET) {
-			cmd = cmd == LINUX_F_SETOWN ? F_SETOWN : F_GETOWN;
-			break;
-		}
-		vp = (struct vnode *)fp->f_data;
-		if (vp->v_type != VCHR)
-			return EINVAL;
-		FREF(fp);
-		error = VOP_GETATTR(vp, &va, p->p_ucred, p);
-		FRELE(fp, p);
-		if (error)
-			return error;
-		d_tty = cdevsw[major(va.va_rdev)].d_tty;
-		if (!d_tty || (!(tp = (*d_tty)(va.va_rdev))))
-			return EINVAL;
-		if (cmd == LINUX_F_GETOWN) {
-			retval[0] = tp->t_pgrp ? tp->t_pgrp->pg_id : NO_PID;
-			return 0;
-		}
-		if ((long)arg <= 0) {
-			pgid = -(long)arg;
-		} else {
-			struct process *pr = prfind((long)arg);
-			if (pr == 0)
-				return (ESRCH);
-			pgid = (long)pr->ps_pgrp->pg_id;
-		}
-		pgrp = pgfind(pgid);
-		if (pgrp == NULL || pgrp->pg_session != p->p_p->ps_session)
-			return EPERM;
-		tp->t_pgrp = pgrp;
-		return 0;
-	default:
-		return EOPNOTSUPP;
-	}
-
-	SCARG(&fca, fd) = fd;
-	SCARG(&fca, cmd) = cmd;
-	SCARG(&fca, arg) = arg;
-
-	return sys_fcntl(p, &fca, retval);
-}
-
-/*
- * Convert a OpenBSD stat structure to a Linux stat structure.
- * Only the order of the fields and the padding in the structure
- * is different. linux_fakedev is a machine-dependent function
- * which optionally converts device driver major/minor numbers
- * (XXX horrible, but what can you do against code that compares
- * things against constant major device numbers? sigh)
- */
-static int
-bsd_to_linux_stat(bsp, lsp)
-	struct stat *bsp;
-	struct linux_stat *lsp;
-{
-	if (bsp->st_ino > LINUX_INO_MAX)
-		return EOVERFLOW;
-
-	lsp->lst_dev     = bsp->st_dev;
-	lsp->lst_ino     = (linux_ino_t)bsp->st_ino;
-	lsp->lst_mode    = bsp->st_mode;
-	lsp->lst_nlink   = bsp->st_nlink;
-	lsp->lst_uid     = bsp->st_uid;
-	lsp->lst_gid     = bsp->st_gid;
-	lsp->lst_rdev    = linux_fakedev(bsp->st_rdev);
-	lsp->lst_size    = bsp->st_size;
-	lsp->lst_blksize = bsp->st_blksize;
-	lsp->lst_blocks  = bsp->st_blocks;
-	lsp->lst_atime   = bsp->st_atime;
-	lsp->lst_mtime   = bsp->st_mtime;
-	lsp->lst_ctime   = bsp->st_ctime;
-
-	return 0;
-}
-
-/*
- * The stat functions below are plain sailing. stat and lstat are handled
- * by one function to avoid code duplication.
- */
-int
-linux_sys_fstat(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_fstat_args /* {
-		syscallarg(int) fd;
-		syscallarg(linux_stat *) sp;
-	} */ *uap = v;
-	struct sys_fstat_args fsa;
-	struct linux_stat tmplst;
-	struct stat *st,tmpst;
-	caddr_t sg;
-	int error;
-
-	sg = stackgap_init(p);
-
-	st = stackgap_alloc(&sg, sizeof (struct stat));
-
-	SCARG(&fsa, fd) = SCARG(uap, fd);
-	SCARG(&fsa, sb) = st;
-
-	if ((error = sys_fstat(p, &fsa, retval)))
-		return error;
-
-	if ((error = copyin(st, &tmpst, sizeof tmpst)))
-		return error;
-
-	if ((error = bsd_to_linux_stat(&tmpst, &tmplst)))
-		return error;
-
-	if ((error = copyout(&tmplst, SCARG(uap, sp), sizeof tmplst)))
-		return error;
-
-	return 0;
-}
-
-static int
-linux_stat1(p, v, retval, dolstat)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-	int dolstat;
-{
-	struct sys_stat_args sa;
-	struct linux_stat tmplst;
-	struct stat *st, tmpst;
-	caddr_t sg;
-	int error;
-	struct linux_sys_stat_args *uap = v;
-
-	sg = stackgap_init(p);
-
-	st = stackgap_alloc(&sg, sizeof (struct stat));
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	SCARG(&sa, ub) = st;
-	SCARG(&sa, path) = SCARG(uap, path);
-
-	if ((error = (dolstat ? sys_lstat(p, &sa, retval) :
-				sys_stat(p, &sa, retval))))
-		return error;
-
-	if ((error = copyin(st, &tmpst, sizeof tmpst)))
-		return error;
-
-	if ((error = bsd_to_linux_stat(&tmpst, &tmplst)))
-		return error;
-
-	if ((error = copyout(&tmplst, SCARG(uap, sp), sizeof tmplst)))
-		return error;
-
-	return 0;
-}
-
-int
-linux_sys_stat(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_stat_args /* {
-		syscallarg(char *) path;
-		syscallarg(struct linux_stat *) sp;
-	} */ *uap = v;
-
-	return linux_stat1(p, uap, retval, 0);
-}
-
-int
-linux_sys_lstat(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_lstat_args /* {
-		syscallarg(char *) path;
-		syscallarg(struct linux_stat *) sp;
-	} */ *uap = v;
-
-	return linux_stat1(p, uap, retval, 1);
-}
-
-/*
- * The following syscalls are mostly here because of the alternate path check.
- */
-int
-linux_sys_access(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_access_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) flags;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	return sys_access(p, uap, retval);
-}
-
-int
-linux_sys_unlink(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-
-{
-	struct linux_sys_unlink_args /* {
-		syscallarg(char *) path;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	return sys_unlink(p, uap, retval);
-}
-
-int
-linux_sys_chdir(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_chdir_args /* {
-		syscallarg(char *) path;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	return sys_chdir(p, uap, retval);
-}
-
-int
-linux_sys_mknod(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_mknod_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) mode;
-		syscallarg(int) dev;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-	struct sys_mkfifo_args bma;
-
-	LINUX_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
-
-	/*
-	 * BSD handles FIFOs separately
-	 */
-	if (S_ISFIFO(SCARG(uap, mode))) {
-		SCARG(&bma, path) = SCARG(uap, path);
-		SCARG(&bma, mode) = SCARG(uap, mode);
-		return sys_mkfifo(p, uap, retval);
-	} else
-		return sys_mknod(p, uap, retval);
-}
-
-int
-linux_sys_chmod(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_chmod_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) mode;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	return sys_chmod(p, uap, retval);
-}
-
-int
-linux_sys_chown(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_chown_args /* {
-		syscallarg(char *) path;
-		syscallarg(uid_t) uid;
-		syscallarg(gid_t) gid;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	return sys_chown(p, uap, retval);
-}
-
-int
-linux_sys_chown16(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_chown16_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) uid;
-		syscallarg(int) gid;
-	} */ *uap = v;
-	struct sys_chown_args bca;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	SCARG(&bca, path) = SCARG(uap, path);
-	SCARG(&bca, uid) = ((linux_uid_t)SCARG(uap, uid) == (linux_uid_t)-1) ?
-		(uid_t)-1 : SCARG(uap, uid);
-	SCARG(&bca, gid) = ((linux_gid_t)SCARG(uap, gid) == (linux_gid_t)-1) ?
-		(gid_t)-1 : SCARG(uap, gid);
-	
-	return sys_chown(p, &bca, retval);
-}
-
-int
-linux_sys_fchown16(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_fchown16_args /* {
-		syscallarg(int) fd;
-		syscallarg(int) uid;
-		syscallarg(int) gid;
-	} */ *uap = v;
-	struct sys_fchown_args bfa;
-
-	SCARG(&bfa, fd) = SCARG(uap, fd);
-	SCARG(&bfa, uid) = ((linux_uid_t)SCARG(uap, uid) == (linux_uid_t)-1) ?
-		(uid_t)-1 : SCARG(uap, uid);
-	SCARG(&bfa, gid) = ((linux_gid_t)SCARG(uap, gid) == (linux_gid_t)-1) ?
-		(gid_t)-1 : SCARG(uap, gid);
-	
-	return sys_fchown(p, &bfa, retval);
-}
-
-int
-linux_sys_lchown16(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_lchown16_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) uid;
-		syscallarg(int) gid;
-	} */ *uap = v;
-	struct sys_lchown_args bla;
-
-	SCARG(&bla, path) = SCARG(uap, path);
-	SCARG(&bla, uid) = ((linux_uid_t)SCARG(uap, uid) == (linux_uid_t)-1) ?
-		(uid_t)-1 : SCARG(uap, uid);
-	SCARG(&bla, gid) = ((linux_gid_t)SCARG(uap, gid) == (linux_gid_t)-1) ?
-		(gid_t)-1 : SCARG(uap, gid);
-
-	return sys_lchown(p, &bla, retval);
-}
-
-int
-linux_sys_rename(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_rename_args /* {
-		syscallarg(char *) from;
-		syscallarg(char *) to;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, from));
-	LINUX_CHECK_ALT_CREAT(p, &sg, SCARG(uap, to));
-
-	return sys_rename(p, uap, retval);
-}
-
-int
-linux_sys_mkdir(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_mkdir_args /* {
-		syscallarg(char *) path;
-		syscallarg(int) mode;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
-
-	return sys_mkdir(p, uap, retval);
-}
-
-int
-linux_sys_rmdir(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_rmdir_args /* {
-		syscallarg(char *) path;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	return sys_rmdir(p, uap, retval);
-}
-
-int
-linux_sys_symlink(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_symlink_args /* {
-		syscallarg(char *) path;
-		syscallarg(char *) to;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-	LINUX_CHECK_ALT_CREAT(p, &sg, SCARG(uap, to));
-
-	return sys_symlink(p, uap, retval);
-}
-
-int
-linux_sys_readlink(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_readlink_args /* {
-		syscallarg(char *) name;
-		syscallarg(char *) buf;
-		syscallarg(int) count;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, name));
-
-	return sys_readlink(p, uap, retval);
-}
-
-int
-linux_sys_ftruncate(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_ftruncate_args /* {
-		syscallarg(int)  fd;
-		syscallarg(long) length;
-	} */ *uap = v;
-	struct sys_ftruncate_args sta;
-
-	SCARG(&sta, fd) = SCARG(uap, fd);
-	SCARG(&sta, length) = SCARG(uap, length);
-
-	return sys_ftruncate(p, uap, retval);
-}
-
-int
-linux_sys_truncate(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_truncate_args /* {
-		syscallarg(char *) path;
-		syscallarg(long) length;
-	} */ *uap = v;
-	caddr_t sg = stackgap_init(p);
-	struct sys_truncate_args sta;
-
-	LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
-
-	SCARG(&sta, path) = SCARG(uap, path);
-	SCARG(&sta, length) = SCARG(uap, length);
-
-	return sys_truncate(p, &sta, retval);
-}
-
-/*
- * This is just fsync() for now (just as it is in the Linux kernel)
- */
-int
-linux_sys_fdatasync(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_fdatasync_args /* {
-		syscallarg(int) fd;
-	} */ *uap = v;
-	return sys_fsync(p, uap, retval);
-}
-
-/*
- * pread(2).
- */
-int
-linux_sys_pread(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_pread_args /* {
-		syscallarg(int) fd;
-		syscallarg(void *) buf;
-		syscallarg(size_t) nbyte;
-		syscallarg(linux_off_t) offset;
-	} */ *uap = v;
-	struct sys_pread_args pra;
-	
-	SCARG(&pra, fd) = SCARG(uap, fd);
-	SCARG(&pra, buf) = SCARG(uap, buf);
-	SCARG(&pra, nbyte) = SCARG(uap, nbyte);
-	SCARG(&pra, offset) = SCARG(uap, offset);
-	
-	return sys_pread(p, &pra, retval);
-}
-
-/*
- * pwrite(2).
- */
-int
-linux_sys_pwrite(p, v, retval)
-	struct proc *p;
-	void *v;
-	register_t *retval;
-{
-	struct linux_sys_pwrite_args /* {
-		syscallarg(int) fd;
-		syscallarg(char *) buf;
-		syscallarg(size_t) nbyte;
-		syscallarg(linux_off_t) offset;
-	} */ *uap = v;
-	struct sys_pwrite_args pra;
-
-	SCARG(&pra, fd) = SCARG(uap, fd);
-	SCARG(&pra, buf) = SCARG(uap, buf);
-	SCARG(&pra, nbyte) = SCARG(uap, nbyte);
-	SCARG(&pra, offset) = SCARG(uap, offset);
-
-	return sys_pwrite(p, &pra, retval);
-}