1 /* $NetBSD: netbsd32_compat_13.c,v 1.15 2005/12/11 12:20:22 christos 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 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_13.c,v 1.15 2005/12/11 12:20:22 christos Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/mount.h> 37 #include <sys/proc.h> 38 #include <sys/signal.h> 39 #include <sys/signalvar.h> 40 #include <sys/sa.h> 41 #include <sys/syscallargs.h> 42 43 #include <compat/netbsd32/netbsd32.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 int 51 compat_13_netbsd32_sigaltstack13(l, v, retval) 52 struct lwp *l; 53 void *v; 54 register_t *retval; 55 { 56 struct proc *p = l->l_proc; 57 struct compat_13_netbsd32_sigaltstack13_args /* { 58 syscallarg(const netbsd32_sigaltstack13p_t) nss; 59 syscallarg(netbsd32_sigaltstack13p_t) oss; 60 } */ *uap = v; 61 struct compat_13_sys_sigaltstack_args ua; 62 struct sigaltstack13 ss13, *nss13up, *oss13up; 63 struct netbsd32_sigaltstack13 s32ss; 64 caddr_t sg; 65 int error; 66 67 if (!SCARG(uap, nss)) 68 return (EINVAL); 69 70 sg = stackgap_init(p, 0); 71 72 SCARG(&ua, nss) = nss13up = stackgap_alloc(p, &sg, sizeof(*nss13up)); 73 if (SCARG(uap, oss)) 74 SCARG(&ua, oss) = oss13up = stackgap_alloc(p, &sg, sizeof(*oss13up)); 75 else 76 SCARG(&ua, oss) = NULL; 77 78 error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nss)), 79 &s32ss, sizeof s32ss); 80 if (error) 81 return (error); 82 ss13.ss_sp = (char *)NETBSD32PTR64(s32ss.ss_sp); 83 ss13.ss_size = s32ss.ss_size; 84 ss13.ss_flags = s32ss.ss_flags; 85 error = copyout(&ss13, nss13up, sizeof *nss13up); 86 if (error) 87 return (error); 88 89 error = compat_13_sys_sigaltstack(l, &ua, retval); 90 if (error) 91 return (error); 92 93 if (SCARG(uap, oss)) { 94 error = copyin(nss13up, &ss13, sizeof *nss13up); 95 if (error) 96 return (error); 97 s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp; 98 s32ss.ss_size = ss13.ss_size; 99 s32ss.ss_flags = ss13.ss_flags; 100 error = copyout(&s32ss, (caddr_t)NETBSD32PTR64(SCARG(uap, nss)), 101 sizeof s32ss); 102 if (error) 103 return (error); 104 } 105 106 return (0); 107 } 108 109 110 int 111 compat_13_netbsd32_sigprocmask(l, v, retval) 112 struct lwp *l; 113 void *v; 114 register_t *retval; 115 { 116 struct proc *p = l->l_proc; 117 struct compat_13_netbsd32_sigprocmask_args /* { 118 syscallarg(int) how; 119 syscallarg(int) mask; 120 } */ *uap = v; 121 sigset13_t ness, oess; 122 sigset_t nbss, obss; 123 int error; 124 125 ness = SCARG(uap, mask); 126 native_sigset13_to_sigset(&ness, &nbss); 127 error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss); 128 if (error) 129 return (error); 130 native_sigset_to_sigset13(&obss, &oess); 131 *retval = oess; 132 return (0); 133 } 134 135 int 136 compat_13_netbsd32_sigsuspend(l, v, retval) 137 struct lwp *l; 138 void *v; 139 register_t *retval; 140 { 141 struct compat_13_netbsd32_sigsuspend_args /* { 142 syscallarg(sigset13_t) mask; 143 } */ *uap = v; 144 sigset13_t ess; 145 sigset_t bss; 146 147 ess = SCARG(uap, mask); 148 native_sigset13_to_sigset(&ess, &bss); 149 return (sigsuspend1(l->l_proc, &bss)); 150 } 151