1/* $NetBSD: netbsd32_compat_13.c,v 1.28 2021/01/19 03:20:13 simonb Exp $ */ 2 3/* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.28 2021/01/19 03:20:13 simonb Exp $"); 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/module.h> 35#include <sys/mount.h> 36#include <sys/proc.h> 37#include <sys/signal.h> 38#include <sys/signalvar.h> 39#include <sys/syscallargs.h> 40#include <sys/syscallvar.h> 41 42#include <compat/netbsd32/netbsd32.h> 43#include <compat/netbsd32/netbsd32_syscall.h> 44#include <compat/netbsd32/netbsd32_syscallargs.h> 45 46#include <compat/sys/stat.h> 47#include <compat/sys/signal.h> 48#include <compat/sys/signalvar.h> 49 50#include <compat/common/compat_sigaltstack.h> 51 52int 53compat_13_netbsd32_sigaltstack13(struct lwp *l, const struct compat_13_netbsd32_sigaltstack13_args *uap, register_t *retval) 54{ 55 compat_sigaltstack(uap, netbsd32_sigaltstack13, SS_ONSTACK, SS_DISABLE); 56} 57 58 59int 60compat_13_netbsd32_sigprocmask(struct lwp *l, const struct compat_13_netbsd32_sigprocmask_args *uap, register_t *retval) 61{ 62 /* { 63 syscallarg(int) how; 64 syscallarg(int) mask; 65 } */ 66 sigset13_t ness, oess; 67 sigset_t nbss, obss; 68 struct proc *p = l->l_proc; 69 int error; 70 71 ness = SCARG(uap, mask); 72 native_sigset13_to_sigset(&ness, &nbss); 73 mutex_enter(p->p_lock); 74 error = sigprocmask1(l, SCARG(uap, how), &nbss, &obss); 75 mutex_exit(p->p_lock); 76 if (error) 77 return error; 78 native_sigset_to_sigset13(&obss, &oess); 79 *retval = oess; 80 return 0; 81} 82 83int 84compat_13_netbsd32_sigsuspend(struct lwp *l, const struct compat_13_netbsd32_sigsuspend_args *uap, register_t *retval) 85{ 86 /* { 87 syscallarg(sigset13_t) mask; 88 } */ 89 sigset13_t ess; 90 sigset_t bss; 91 92 ess = SCARG(uap, mask); 93 native_sigset13_to_sigset(&ess, &bss); 94 return sigsuspend1(l, &bss); 95} 96 97static struct syscall_package compat_netbsd32_13_syscalls[] = { 98 { NETBSD32_SYS_compat_13_netbsd32_sigaltstack13, 0, 99 (sy_call_t *)compat_13_netbsd32_sigaltstack13 }, 100 { NETBSD32_SYS_compat_13_sigprocmask13, 0, 101 (sy_call_t *)compat_13_netbsd32_sigprocmask }, 102 { NETBSD32_SYS_compat_13_sigsuspend13, 0, 103 (sy_call_t *)compat_13_netbsd32_sigsuspend }, 104 { 0, 0, NULL } 105}; 106 107MODULE(MODULE_CLASS_EXEC, compat_netbsd32_13, "compat_13,compat_netbsd32_16"); 108 109static int 110compat_netbsd32_13_modcmd(modcmd_t cmd, void *arg) 111{ 112 113 switch (cmd) { 114 case MODULE_CMD_INIT: 115 netbsd32_machdep_md_13_init(); 116 return syscall_establish(&emul_netbsd32, 117 compat_netbsd32_13_syscalls); 118 119 case MODULE_CMD_FINI: 120 netbsd32_machdep_md_13_fini(); 121 return syscall_disestablish(&emul_netbsd32, 122 compat_netbsd32_13_syscalls); 123 124 default: 125 return ENOTTY; 126 } 127} 128