/* $NetBSD: netbsd32_compat_12.c,v 1.36 2021/09/07 11:43:05 riastradh Exp $ */ /* * Copyright (c) 1998, 2001 Matthew R. Green * 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. * * 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 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_12.c,v 1.36 2021/09/07 11:43:05 riastradh Exp $"); #if defined(_KERNEL_OPT) #include "opt_compat_netbsd.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static void netbsd32_stat12_to_netbsd32(struct stat12 *, struct netbsd32_stat12 *); /* for use with {,fl}stat() */ static void netbsd32_stat12_to_netbsd32(struct stat12 *sp12, struct netbsd32_stat12 *sp32) { memset(sp32, 0, sizeof(*sp32)); sp32->st_dev = sp12->st_dev; sp32->st_ino = sp12->st_ino; sp32->st_mode = sp12->st_mode; sp32->st_nlink = sp12->st_nlink; sp32->st_uid = sp12->st_uid; sp32->st_gid = sp12->st_gid; sp32->st_rdev = sp12->st_rdev; if (sp12->st_size < (quad_t)1 << 32) sp32->st_size = sp12->st_size; else sp32->st_size = -2; sp32->st_atimespec.tv_sec = sp12->st_atimespec.tv_sec; sp32->st_atimespec.tv_nsec = sp12->st_atimespec.tv_nsec; sp32->st_mtimespec.tv_sec = sp12->st_mtimespec.tv_sec; sp32->st_mtimespec.tv_nsec = sp12->st_mtimespec.tv_nsec; sp32->st_ctimespec.tv_sec = sp12->st_ctimespec.tv_sec; sp32->st_ctimespec.tv_nsec = sp12->st_ctimespec.tv_nsec; sp32->st_blocks = sp12->st_blocks; sp32->st_blksize = sp12->st_blksize; sp32->st_flags = sp12->st_flags; sp32->st_gen = sp12->st_gen; } int compat_12_netbsd32_reboot(struct lwp *l, const struct compat_12_netbsd32_reboot_args *uap, register_t *retval) { /* { syscallarg(int) opt; } */ struct compat_12_sys_reboot_args ua; NETBSD32TO64_UAP(opt); return compat_12_sys_reboot(l, &ua, retval); } int compat_12_netbsd32_msync(struct lwp *l, const struct compat_12_netbsd32_msync_args *uap, register_t *retval) { /* { syscallarg(netbsd32_voidp) addr; syscallarg(netbsd32_size_t) len; } */ struct sys___msync13_args ua; NETBSD32TOP_UAP(addr, void *); NETBSD32TOX_UAP(len, size_t); SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE; return sys___msync13(l, &ua, retval); } int compat_12_netbsd32_oswapon(struct lwp *l, const struct compat_12_netbsd32_oswapon_args *uap, register_t *retval) { /* { syscallarg(const netbsd32_charp) name; } */ struct sys_swapctl_args ua; SCARG(&ua, cmd) = SWAP_ON; SCARG(&ua, arg) = SCARG_P32(uap, name); SCARG(&ua, misc) = 0; /* priority */ return sys_swapctl(l, &ua, retval); } int compat_12_netbsd32_stat12(struct lwp *l, const struct compat_12_netbsd32_stat12_args *uap, register_t *retval) { /* { syscallarg(const netbsd32_charp) path; syscallarg(netbsd32_stat12p_t) ub; } */ struct netbsd32_stat12 sb32; struct stat12 sb12; struct stat sb; int error; error = do_sys_stat(SCARG_P32(uap, path), FOLLOW, &sb); if (error) return error; compat_12_stat_conv(&sb, &sb12); netbsd32_stat12_to_netbsd32(&sb12, &sb32); return copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32); } int compat_12_netbsd32_fstat12(struct lwp *l, const struct compat_12_netbsd32_fstat12_args *uap, register_t *retval) { /* { syscallarg(int) fd; syscallarg(netbsd32_stat12p_t) sb; } */ struct netbsd32_stat12 sb32; struct stat12 sb12; struct stat sb; int error; error = do_sys_fstat(SCARG(uap, fd), &sb); if (error) return error; compat_12_stat_conv(&sb, &sb12); netbsd32_stat12_to_netbsd32(&sb12, &sb32); return copyout(&sb32, SCARG_P32(uap, sb), sizeof sb32); } int compat_12_netbsd32_lstat12(struct lwp *l, const struct compat_12_netbsd32_lstat12_args *uap, register_t *retval) { /* { syscallarg(const netbsd32_charp) path; syscallarg(netbsd32_stat12p_t) ub; } */ struct netbsd32_stat12 sb32; struct stat12 sb12; struct stat sb; int error; error = do_sys_stat(SCARG_P32(uap, path), NOFOLLOW, &sb); if (error) return error; compat_12_stat_conv(&sb, &sb12); netbsd32_stat12_to_netbsd32(&sb12, &sb32); return copyout(&sb32, SCARG_P32(uap, ub), sizeof sb32); } int compat_12_netbsd32_getdirentries(struct lwp *l, const struct compat_12_netbsd32_getdirentries_args *uap, register_t *retval) { /* { syscallarg(int) fd; syscallarg(netbsd32_charp) buf; syscallarg(u_int) count; syscallarg(netbsd32_longp) basep; } */ struct compat_12_sys_getdirentries_args ua; NETBSD32TO64_UAP(fd); NETBSD32TOP_UAP(buf, char); NETBSD32TO64_UAP(count); NETBSD32TOP_UAP(basep, long); return compat_12_sys_getdirentries(l, &ua, retval); } static struct syscall_package compat_netbsd32_12_syscalls[] = { { NETBSD32_SYS_compat_12_netbsd32_reboot, 0, (sy_call_t *)compat_12_netbsd32_reboot }, { NETBSD32_SYS_compat_12_netbsd32_msync, 0, (sy_call_t *)compat_12_netbsd32_msync }, { NETBSD32_SYS_compat_12_netbsd32_oswapon, 0, (sy_call_t *)compat_12_netbsd32_oswapon }, { NETBSD32_SYS_compat_12_netbsd32_stat12, 0, (sy_call_t *)compat_12_netbsd32_stat12 }, { NETBSD32_SYS_compat_12_netbsd32_fstat12, 0, (sy_call_t *)compat_12_netbsd32_fstat12 }, { NETBSD32_SYS_compat_12_netbsd32_lstat12, 0, (sy_call_t *)compat_12_netbsd32_lstat12 }, { NETBSD32_SYS_compat_12_netbsd32_getdirentries, 0, (sy_call_t *)compat_12_netbsd32_getdirentries }, { 0, 0, NULL } }; MODULE(MODULE_CLASS_EXEC, compat_netbsd32_12, "compat_netbsd32_13,compat_12"); static int compat_netbsd32_12_modcmd(modcmd_t cmd, void *arg) { switch (cmd) { case MODULE_CMD_INIT: return syscall_establish(&emul_netbsd32, compat_netbsd32_12_syscalls); case MODULE_CMD_FINI: return syscall_disestablish(&emul_netbsd32, compat_netbsd32_12_syscalls); default: return ENOTTY; } }