/* $NetBSD: linux32_stat.c,v 1.1 2006/02/09 19:18:57 manu Exp $ */ /*- * Copyright (c) 2006 Emmanuel Dreyfus, 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 by Emmanuel Dreyfus * 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 THE AUTHOR 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 AUTHOR 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. */ #include __KERNEL_RCSID(0, "$NetBSD: linux32_stat.c,v 1.1 2006/02/09 19:18:57 manu Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static inline void linux32_from_stat(struct stat *, struct linux32_stat64 *); #define linux_fakedev(x,y) (x) static inline void linux32_from_stat(st, st32) struct stat *st; struct linux32_stat64 *st32; { bzero(st32, sizeof(*st32)); st32->lst_dev = linux_fakedev(st->st_dev, 0); st32->__lst_ino = st->st_ino; st32->lst_mode = st->st_mode; if (st->st_nlink >= (1 << 15)) st32->lst_nlink = (1 << 15) - 1; else st32->lst_nlink = st->st_nlink; st32->lst_uid = st->st_uid; st32->lst_gid = st->st_gid; st32->lst_rdev = linux_fakedev(st->st_rdev, 0); st32->lst_size = st->st_size; st32->lst_blksize = st->st_blksize; st32->lst_blocks = st->st_blocks; st32->lst_atime = st->st_atime; st32->lst_mtime = st->st_mtime; st32->lst_ctime = st->st_ctime; #ifdef LINUX32_STAT64_HAS_NSEC st32->lst_atime_nsec = st->st_atimensec; st32->lst_mtime_nsec = st->st_mtimensec; st32->lst_ctime_nsec = st->st_ctimensec; #endif #ifdef LINUX32_STAT64_HAS_BROKEN_ST_INO st32->lst_ino = st->st_ino; #endif return; } int linux32_sys_stat64(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct linux32_sys_stat64_args /* { syscallarg(netbsd32_charp) path; syscallarg(linux32_statp) sp; } */ *uap = v; struct sys___stat30_args ua; caddr_t sg = stackgap_init(l->l_proc, 0); int error; struct stat st; struct linux32_stat64 st32; struct stat *stp; struct linux32_stat64 *st32p; NETBSD32TOP_UAP(path, const char); CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); stp = stackgap_alloc(l->l_proc, &sg, sizeof(*stp)); SCARG(&ua, ub) = stp; if ((error = sys___stat30(l, &ua, retval)) != 0) return error; if ((error = copyin(stp, &st, sizeof(st))) != 0) return error; linux32_from_stat(&st, &st32); st32p = (struct linux32_stat64 *)(long)SCARG(uap, sp); if ((error = copyout(&st32, st32p, sizeof(*st32p))) != 0) return error; return 0; } int linux32_sys_lstat64(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct linux32_sys_lstat64_args /* { syscallarg(netbsd32_charp) path; syscallarg(linux32_stat64p) sp; } */ *uap = v; struct sys___lstat30_args ua; caddr_t sg = stackgap_init(l->l_proc, 0); int error; struct stat st; struct linux32_stat64 st32; struct stat *stp; struct linux32_stat64 *st32p; NETBSD32TOP_UAP(path, const char); CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path)); stp = stackgap_alloc(l->l_proc, &sg, sizeof(*stp)); SCARG(&ua, ub) = stp; if ((error = sys___lstat30(l, &ua, retval)) != 0) return error; if ((error = copyin(stp, &st, sizeof(st))) != 0) return error; linux32_from_stat(&st, &st32); st32p = (struct linux32_stat64 *)(long)SCARG(uap, sp); if ((error = copyout(&st32, st32p, sizeof(*st32p))) != 0) return error; return 0; } int linux32_sys_fstat64(l, v, retval) struct lwp *l; void *v; register_t *retval; { struct linux32_sys_fstat64_args /* { syscallarg(int) fd; syscallarg(linux32_stat64p) sp; } */ *uap = v; struct sys___fstat30_args ua; caddr_t sg = stackgap_init(l->l_proc, 0); int error; struct stat st; struct linux32_stat64 st32; struct stat *stp; struct linux32_stat64 *st32p; NETBSD32TO64_UAP(fd); stp = stackgap_alloc(l->l_proc, &sg, sizeof(*stp)); SCARG(&ua, sb) = stp; if ((error = sys___fstat30(l, &ua, retval)) != 0) return error; if ((error = copyin(stp, &st, sizeof(st))) != 0) return error; linux32_from_stat(&st, &st32); st32p = (struct linux32_stat64 *)(long)SCARG(uap, sp); if ((error = copyout(&st32, st32p, sizeof(*st32p))) != 0) return error; return 0; }