1 /* $NetBSD: netbsd32_compat_13.c,v 1.13 2003/01/18 08:28:26 thorpej 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 1.13 2003/01/18 08:28:26 thorpej 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 int 47 compat_13_netbsd32_sigaltstack13(l, v, retval) 48 struct lwp *l; 49 void *v; 50 register_t *retval; 51 { 52 struct proc *p = l->l_proc; 53 struct compat_13_netbsd32_sigaltstack13_args /* { 54 syscallarg(const netbsd32_sigaltstack13p_t) nss; 55 syscallarg(netbsd32_sigaltstack13p_t) oss; 56 } */ *uap = v; 57 struct compat_13_sys_sigaltstack_args ua; 58 struct sigaltstack13 ss13, *nss13up, *oss13up; 59 struct netbsd32_sigaltstack13 s32ss; 60 caddr_t sg; 61 int error; 62 63 if (!SCARG(uap, nss)) 64 return (EINVAL); 65 66 sg = stackgap_init(p, 0); 67 68 SCARG(&ua, nss) = nss13up = stackgap_alloc(p, &sg, sizeof(*nss13up)); 69 if (SCARG(uap, oss)) 70 SCARG(&ua, oss) = oss13up = stackgap_alloc(p, &sg, sizeof(*oss13up)); 71 else 72 SCARG(&ua, oss) = NULL; 73 74 error = copyin((caddr_t)NETBSD32PTR64(SCARG(uap, nss)), 75 &s32ss, sizeof s32ss); 76 if (error) 77 return (error); 78 ss13.ss_sp = (char *)NETBSD32PTR64(s32ss.ss_sp); 79 ss13.ss_size = s32ss.ss_size; 80 ss13.ss_flags = s32ss.ss_flags; 81 error = copyout(&ss13, nss13up, sizeof *nss13up); 82 if (error) 83 return (error); 84 85 error = compat_13_sys_sigaltstack(l, &ua, retval); 86 if (error) 87 return (error); 88 89 if (SCARG(uap, oss)) { 90 error = copyin(nss13up, &ss13, sizeof *nss13up); 91 if (error) 92 return (error); 93 s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp; 94 s32ss.ss_size = ss13.ss_size; 95 s32ss.ss_flags = ss13.ss_flags; 96 error = copyout(&s32ss, (caddr_t)NETBSD32PTR64(SCARG(uap, nss)), 97 sizeof s32ss); 98 if (error) 99 return (error); 100 } 101 102 return (0); 103 } 104 105 106 int 107 compat_13_netbsd32_sigprocmask(l, v, retval) 108 struct lwp *l; 109 void *v; 110 register_t *retval; 111 { 112 struct proc *p = l->l_proc; 113 struct compat_13_netbsd32_sigprocmask_args /* { 114 syscallarg(int) how; 115 syscallarg(int) mask; 116 } */ *uap = v; 117 sigset13_t ness, oess; 118 sigset_t nbss, obss; 119 int error; 120 121 ness = SCARG(uap, mask); 122 native_sigset13_to_sigset(&ness, &nbss); 123 error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss); 124 if (error) 125 return (error); 126 native_sigset_to_sigset13(&obss, &oess); 127 *retval = oess; 128 return (0); 129 } 130 131 int 132 compat_13_netbsd32_sigsuspend(l, v, retval) 133 struct lwp *l; 134 void *v; 135 register_t *retval; 136 { 137 struct compat_13_netbsd32_sigsuspend_args /* { 138 syscallarg(sigset13_t) mask; 139 } */ *uap = v; 140 sigset13_t ess; 141 sigset_t bss; 142 143 ess = SCARG(uap, mask); 144 native_sigset13_to_sigset(&ess, &bss); 145 return (sigsuspend1(l->l_proc, &bss)); 146 } 147