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| author | 2016-03-02 15:41:47 +0000 | |
|---|---|---|
| committer | 2016-03-02 15:41:47 +0000 | |
| commit | 3ff801c032f3258b94ac6d01d574c0da4c0cc94a (patch) | |
| tree | e685de69d6a67343dc4896743c70fd8a77574cc1 /sys/compat/linux/linux_file64.c | |
| parent | Handle wcwidth() and mbtowc() failures in better style and drop (diff) | |
| download | wireguard-openbsd-3ff801c032f3258b94ac6d01d574c0da4c0cc94a.tar.xz wireguard-openbsd-3ff801c032f3258b94ac6d01d574c0da4c0cc94a.zip | |
remove the Linux emulation code, no longer referenced by anything
Diffstat (limited to 'sys/compat/linux/linux_file64.c')
| -rw-r--r-- | sys/compat/linux/linux_file64.c | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/sys/compat/linux/linux_file64.c b/sys/compat/linux/linux_file64.c deleted file mode 100644 index 8578b6bcdd7..00000000000 --- a/sys/compat/linux/linux_file64.c +++ /dev/null @@ -1,358 +0,0 @@ -/* $OpenBSD: linux_file64.c,v 1.10 2014/09/14 14:17:23 jsg Exp $ */ -/* $NetBSD: linux_file64.c,v 1.2 2000/12/12 22:24:56 jdolecek Exp $ */ - -/*- - * Copyright (c) 1995, 1998, 2000 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Frank van der Linden and Eric Haszlakiewicz. - * - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``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 FOUNDATION OR CONTRIBUTORS - * 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. - */ - -/* - * Linux 64bit filesystem calls. Used on 32bit archs, not used on 64bit ones. - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/namei.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/malloc.h> -#include <sys/vnode.h> -#include <sys/tty.h> -#include <sys/conf.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> - - -void bsd_to_linux_flock64(struct flock *, struct linux_flock64 *); -void linux_to_bsd_flock64(struct linux_flock64 *, struct flock *); -static int bsd_to_linux_stat(struct stat *, struct linux_stat64 *); -static int linux_do_stat64(struct proc *, void *, register_t *, int); - -/* - * 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_stat64 *lsp; -{ - lsp->lst_dev = bsp->st_dev; - lsp->lst_ino = (linux_ino64_t)bsp->st_ino; - lsp->lst_mode = (linux_mode_t)bsp->st_mode; - if (bsp->st_nlink >= (1 << 15)) - lsp->lst_nlink = (1 << 15) - 1; - else - lsp->lst_nlink = (linux_nlink_t)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; -#if LINUX_STAT64_HAS_BROKEN_ST_INO - if (bsp->st_ino > LINUX_INO_MAX) - return EOVERFLOW; - lsp->__lst_ino = (linux_ino_t)bsp->st_ino; -#endif - - return 0; -} - -/* - * The stat functions below are plain sailing. stat and lstat are handled - * by one function to avoid code duplication. - */ -int -linux_sys_fstat64(p, v, retval) - struct proc *p; - void *v; - register_t *retval; -{ - struct linux_sys_fstat64_args /* { - syscallarg(int) fd; - syscallarg(linux_stat64 *) sp; - } */ *uap = v; - struct sys_fstat_args fsa; - struct linux_stat64 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_do_stat64(p, v, retval, dolstat) - struct proc *p; - void *v; - register_t *retval; - int dolstat; -{ - struct sys_stat_args sa; - struct linux_stat64 tmplst; - struct stat *st, tmpst; - caddr_t sg; - int error; - struct linux_sys_stat64_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_stat64(p, v, retval) - struct proc *p; - void *v; - register_t *retval; -{ - struct linux_sys_stat64_args /* { - syscallarg(const char *) path; - syscallarg(struct linux_stat64 *) sp; - } */ *uap = v; - - return linux_do_stat64(p, uap, retval, 0); -} - -int -linux_sys_lstat64(p, v, retval) - struct proc *p; - void *v; - register_t *retval; -{ - struct linux_sys_lstat64_args /* { - syscallarg(char *) path; - syscallarg(struct linux_stat64 *) sp; - } */ *uap = v; - - return linux_do_stat64(p, uap, retval, 1); -} - -int -linux_sys_truncate64(p, v, retval) - struct proc *p; - void *v; - register_t *retval; -{ - struct linux_sys_truncate64_args /* { - syscallarg(char *) path; - syscallarg(off_t) length; - } */ *uap = v; - struct sys_truncate_args ta; - caddr_t sg = stackgap_init(p); - - LINUX_CHECK_ALT_EXIST(p, &sg, SCARG(uap, path)); - - SCARG(&ta, path) = SCARG(uap, path); - SCARG(&ta, length) = SCARG(uap, length); - - return sys_truncate(p, &ta, retval); -} - -/* - * This is needed due to padding in OpenBSD's sys_ftruncate_args - */ -int -linux_sys_ftruncate64(p, v, retval) - struct proc *p; - void *v; - register_t *retval; -{ - struct linux_sys_ftruncate64_args /* { - syscallarg(int) fd; - syscallarg(off_t) length; - } */ *uap = v; - struct sys_ftruncate_args fta; - - SCARG(&fta, fd) = SCARG(uap, fd); - SCARG(&fta, length) = SCARG(uap, length); - - return sys_ftruncate(p, &fta, retval); -} - -/* - * 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. - */ -void -bsd_to_linux_flock64(struct flock *bfp, struct linux_flock64 *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; - } -} - -void -linux_to_bsd_flock64(struct linux_flock64 *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; - } -} - -int -linux_sys_fcntl64(p, v, retval) - struct proc *p; - void *v; - register_t *retval; -{ - struct linux_sys_fcntl64_args /* { - syscallarg(u_int) fd; - syscallarg(u_int) cmd; - syscallarg(void *) arg; - } */ *uap = v; - int fd, cmd, error; - caddr_t arg, sg; - struct linux_flock64 lfl; - struct flock *bfp, bfl; - struct sys_fcntl_args fca; - - fd = SCARG(uap, fd); - cmd = SCARG(uap, cmd); - arg = (caddr_t) SCARG(uap, arg); - - switch (cmd) { - case LINUX_F_GETLK64: - sg = stackgap_init(p); - if ((error = copyin(arg, &lfl, sizeof lfl))) - return error; - linux_to_bsd_flock64(&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_flock64(&bfl, &lfl); - error = copyout(&lfl, arg, sizeof lfl); - return (error); - case LINUX_F_SETLK64: - case LINUX_F_SETLKW64: - cmd = (cmd == LINUX_F_SETLK64 ? F_SETLK : F_SETLKW); - if ((error = copyin(arg, &lfl, sizeof lfl))) - return error; - linux_to_bsd_flock64(&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)); - default: - return (linux_sys_fcntl(p, v, retval)); - } - /* NOTREACHED */ -} |
