1 /* $NetBSD: netbsd32_compat_13.c,v 1.11 2002/03/16 20:43:54 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 1.11 2002/03/16 20:43:54 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/syscallargs.h> 41 42 #include <compat/netbsd32/netbsd32.h> 43 #include <compat/netbsd32/netbsd32_syscallargs.h> 44 45 int 46 compat_13_netbsd32_sigaltstack13(p, v, retval) 47 struct proc *p; 48 void *v; 49 register_t *retval; 50 { 51 struct compat_13_netbsd32_sigaltstack13_args /* { 52 syscallarg(const netbsd32_sigaltstack13p_t) nss; 53 syscallarg(netbsd32_sigaltstack13p_t) oss; 54 } */ *uap = v; 55 struct compat_13_sys_sigaltstack_args ua; 56 struct sigaltstack13 ss13, *nss13up, *oss13up; 57 struct netbsd32_sigaltstack13 s32ss; 58 caddr_t sg; 59 int error; 60 61 if (!SCARG(uap, nss)) 62 return (EINVAL); 63 64 sg = stackgap_init(p, 0); 65 66 SCARG(&ua, nss) = nss13up = stackgap_alloc(p, &sg, sizeof(*nss13up)); 67 if (SCARG(uap, oss)) 68 SCARG(&ua, oss) = oss13up = stackgap_alloc(p, &sg, sizeof(*oss13up)); 69 else 70 SCARG(&ua, oss) = NULL; 71 72 error = copyin((caddr_t)(u_long)SCARG(uap, nss), &s32ss, sizeof s32ss); 73 if (error) 74 return (error); 75 ss13.ss_sp = (char *)(u_long)s32ss.ss_sp; 76 ss13.ss_size = s32ss.ss_size; 77 ss13.ss_flags = s32ss.ss_flags; 78 error = copyout(&ss13, nss13up, sizeof *nss13up); 79 if (error) 80 return (error); 81 82 error = compat_13_sys_sigaltstack(p, &ua, retval); 83 if (error) 84 return (error); 85 86 if (SCARG(uap, oss)) { 87 error = copyin(nss13up, &ss13, sizeof *nss13up); 88 if (error) 89 return (error); 90 s32ss.ss_sp = (netbsd32_charp)(u_long)ss13.ss_sp; 91 s32ss.ss_size = ss13.ss_size; 92 s32ss.ss_flags = ss13.ss_flags; 93 error = copyout(&s32ss, (caddr_t)(u_long)SCARG(uap, nss), sizeof s32ss); 94 if (error) 95 return (error); 96 } 97 98 return (0); 99 } 100 101 102 int 103 compat_13_netbsd32_sigprocmask(p, v, retval) 104 struct proc *p; 105 void *v; 106 register_t *retval; 107 { 108 struct compat_13_netbsd32_sigprocmask_args /* { 109 syscallarg(int) how; 110 syscallarg(int) mask; 111 } */ *uap = v; 112 sigset13_t ness, oess; 113 sigset_t nbss, obss; 114 int error; 115 116 ness = SCARG(uap, mask); 117 native_sigset13_to_sigset(&ness, &nbss); 118 error = sigprocmask1(p, SCARG(uap, how), &nbss, &obss); 119 if (error) 120 return (error); 121 native_sigset_to_sigset13(&obss, &oess); 122 *retval = oess; 123 return (0); 124 } 125 126 int 127 compat_13_netbsd32_sigsuspend(p, v, retval) 128 struct proc *p; 129 void *v; 130 register_t *retval; 131 { 132 struct compat_13_netbsd32_sigsuspend_args /* { 133 syscallarg(sigset13_t) mask; 134 } */ *uap = v; 135 sigset13_t ess; 136 sigset_t bss; 137 138 ess = SCARG(uap, mask); 139 native_sigset13_to_sigset(&ess, &bss); 140 return (sigsuspend1(p, &bss)); 141 } 142