freebsd_misc.c revision 1.12.2.1
1 /* $NetBSD: freebsd_misc.c,v 1.12.2.1 2001/03/05 22:49:20 nathanw Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Frank van der Linden 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Frank van der Linden 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * FreeBSD compatibility module. Try to deal with various FreeBSD system calls. 36 */ 37 38 #if defined(_KERNEL) && !defined(_LKM) 39 #include "opt_ntp.h" 40 #include "opt_ktrace.h" 41 #endif 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/lwp.h> 46 #include <sys/proc.h> 47 #include <sys/mount.h> 48 #include <sys/signal.h> 49 #include <sys/signalvar.h> 50 #include <sys/malloc.h> 51 #ifdef KTRACE 52 #include <sys/ktrace.h> 53 #endif 54 55 #include <sys/syscallargs.h> 56 57 #include <compat/freebsd/freebsd_syscallargs.h> 58 #include <compat/common/compat_util.h> 59 #include <compat/freebsd/freebsd_rtprio.h> 60 #include <compat/freebsd/freebsd_timex.h> 61 #include <compat/freebsd/freebsd_signal.h> 62 63 int 64 freebsd_sys_msync(l, v, retval) 65 struct lwp *l; 66 void *v; 67 register_t *retval; 68 { 69 struct freebsd_sys_msync_args /* { 70 syscallarg(caddr_t) addr; 71 syscallarg(size_t) len; 72 syscallarg(int) flags; 73 } */ *uap = v; 74 struct sys___msync13_args bma; 75 76 /* 77 * FreeBSD-2.0-RELEASE's msync(2) is compatible with NetBSD's. 78 * FreeBSD-2.0.5-RELEASE's msync(2) has addtional argument `flags', 79 * but syscall number is not changed. :-< 80 */ 81 SCARG(&bma, addr) = SCARG(uap, addr); 82 SCARG(&bma, len) = SCARG(uap, len); 83 SCARG(&bma, flags) = SCARG(uap, flags); 84 return sys___msync13(l, &bma, retval); 85 } 86 87 /* just a place holder */ 88 89 int 90 freebsd_sys_rtprio(l, v, retval) 91 struct lwp *l; 92 void *v; 93 register_t *retval; 94 { 95 #ifdef notyet 96 struct freebsd_sys_rtprio_args /* { 97 syscallarg(int) function; 98 syscallarg(pid_t) pid; 99 syscallarg(struct freebsd_rtprio *) rtp; 100 } */ *uap = v; 101 #endif 102 103 return ENOSYS; /* XXX */ 104 } 105 106 #ifdef NTP 107 int 108 freebsd_ntp_adjtime(l, v, retval) 109 struct lwp *l; 110 void *v; 111 register_t *retval; 112 { 113 #ifdef notyet 114 struct freebsd_ntp_adjtime_args /* { 115 syscallarg(struct freebsd_timex *) tp; 116 } */ *uap = v; 117 #endif 118 119 return ENOSYS; /* XXX */ 120 } 121 #endif 122 123 int 124 freebsd_sys_sigaction4(l, v, retval) 125 struct lwp *l; 126 void *v; 127 register_t *retval; 128 { 129 struct freebsd_sys_sigaction4_args /* { 130 syscallarg(int) signum; 131 syscallarg(const struct freebsd_sigaction4 *) nsa; 132 syscallarg(struct freebsd_sigaction4 *) osa; 133 } */ *uap = v; 134 struct proc *p = l->l_proc; 135 struct freebsd_sigaction4 nesa, oesa; 136 struct sigaction nbsa, obsa; 137 int error; 138 139 if (SCARG(uap, nsa)) { 140 error = copyin(SCARG(uap, nsa), &nesa, sizeof(nesa)); 141 if (error) 142 return (error); 143 nbsa.sa_handler = nesa.sa_handler; 144 nbsa.sa_mask = nesa.sa_mask; 145 nbsa.sa_flags = nesa.sa_flags; 146 } 147 error = sigaction1(p, SCARG(uap, signum), 148 SCARG(uap, nsa) ? &nbsa : 0, SCARG(uap, osa) ? &obsa : 0); 149 if (error) 150 return (error); 151 if (SCARG(uap, osa)) { 152 oesa.sa_handler = obsa.sa_handler; 153 oesa.sa_mask = obsa.sa_mask; 154 oesa.sa_flags = obsa.sa_flags; 155 error = copyout(&oesa, SCARG(uap, osa), sizeof(oesa)); 156 if (error) 157 return (error); 158 } 159 return (0); 160 } 161 162 int 163 freebsd_sys_utrace(l, v, retval) 164 struct lwp *l; 165 void *v; 166 register_t *retval; 167 { 168 #ifdef KTRACE 169 struct freebsd_sys_utrace_args /* { 170 syscallarg(void *) addr; 171 syscallarg(size_t) len; 172 } */ *uap = v; 173 struct proc *p = l->l_proc; 174 175 if (KTRPOINT(p, KTR_USER)) 176 ktruser(p, "FreeBSD utrace", SCARG(uap, addr), SCARG(uap, len), 177 0); 178 179 return (0); 180 #else 181 return (ENOSYS); 182 #endif 183 } 184
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