freebsd_misc.c revision 1.11
1 /* $NetBSD: freebsd_misc.c,v 1.11 2000/12/18 08:53:39 jdolecek 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/proc.h> 46 #include <sys/mount.h> 47 #include <sys/signal.h> 48 #include <sys/signalvar.h> 49 #include <sys/malloc.h> 50 #ifdef KTRACE 51 #include <sys/ktrace.h> 52 #endif 53 54 #include <sys/syscallargs.h> 55 56 #include <compat/freebsd/freebsd_syscallargs.h> 57 #include <compat/common/compat_util.h> 58 #include <compat/freebsd/freebsd_rtprio.h> 59 #include <compat/freebsd/freebsd_timex.h> 60 #include <compat/freebsd/freebsd_signal.h> 61 62 #ifdef KTRACE 63 void ktrinitheader(struct ktr_header *, struct proc *, int); 64 int ktrwrite(struct proc *, struct ktr_header *); 65 #endif 66 67 int 68 freebsd_sys_msync(p, v, retval) 69 struct proc *p; 70 void *v; 71 register_t *retval; 72 { 73 struct freebsd_sys_msync_args /* { 74 syscallarg(caddr_t) addr; 75 syscallarg(size_t) len; 76 syscallarg(int) flags; 77 } */ *uap = v; 78 struct sys___msync13_args bma; 79 80 /* 81 * FreeBSD-2.0-RELEASE's msync(2) is compatible with NetBSD's. 82 * FreeBSD-2.0.5-RELEASE's msync(2) has addtional argument `flags', 83 * but syscall number is not changed. :-< 84 */ 85 SCARG(&bma, addr) = SCARG(uap, addr); 86 SCARG(&bma, len) = SCARG(uap, len); 87 SCARG(&bma, flags) = SCARG(uap, flags); 88 return sys___msync13(p, &bma, retval); 89 } 90 91 /* just a place holder */ 92 93 int 94 freebsd_sys_rtprio(p, v, retval) 95 struct proc *p; 96 void *v; 97 register_t *retval; 98 { 99 #ifdef notyet 100 struct freebsd_sys_rtprio_args /* { 101 syscallarg(int) function; 102 syscallarg(pid_t) pid; 103 syscallarg(struct freebsd_rtprio *) rtp; 104 } */ *uap = v; 105 #endif 106 107 return ENOSYS; /* XXX */ 108 } 109 110 #ifdef NTP 111 int 112 freebsd_ntp_adjtime(p, v, retval) 113 struct proc *p; 114 void *v; 115 register_t *retval; 116 { 117 #ifdef notyet 118 struct freebsd_ntp_adjtime_args /* { 119 syscallarg(struct freebsd_timex *) tp; 120 } */ *uap = v; 121 #endif 122 123 return ENOSYS; /* XXX */ 124 } 125 #endif 126 127 int 128 freebsd_sys_sigaction4(p, v, retval) 129 struct proc *p; 130 void *v; 131 register_t *retval; 132 { 133 struct freebsd_sys_sigaction4_args /* { 134 syscallarg(int) signum; 135 syscallarg(const struct freebsd_sigaction4 *) nsa; 136 syscallarg(struct freebsd_sigaction4 *) osa; 137 } */ *uap = v; 138 struct freebsd_sigaction4 nesa, oesa; 139 struct sigaction nbsa, obsa; 140 int error; 141 142 if (SCARG(uap, nsa)) { 143 error = copyin(SCARG(uap, nsa), &nesa, sizeof(nesa)); 144 if (error) 145 return (error); 146 nbsa.sa_handler = nesa.sa_handler; 147 nbsa.sa_mask = nesa.sa_mask; 148 nbsa.sa_flags = nesa.sa_flags; 149 } 150 error = sigaction1(p, SCARG(uap, signum), 151 SCARG(uap, nsa) ? &nbsa : 0, SCARG(uap, osa) ? &obsa : 0); 152 if (error) 153 return (error); 154 if (SCARG(uap, osa)) { 155 oesa.sa_handler = obsa.sa_handler; 156 oesa.sa_mask = obsa.sa_mask; 157 oesa.sa_flags = obsa.sa_flags; 158 error = copyout(&oesa, SCARG(uap, osa), sizeof(oesa)); 159 if (error) 160 return (error); 161 } 162 return (0); 163 } 164 165 int 166 freebsd_sys_utrace(p, v, retval) 167 struct proc *p; 168 void *v; 169 register_t *retval; 170 { 171 #ifdef KTRACE 172 struct freebsd_sys_utrace_args /* { 173 syscallarg(void *) addr; 174 syscallarg(size_t) len; 175 } */ *uap = v; 176 struct ktr_header kth; 177 register caddr_t cp; 178 int error = 0; 179 180 if (!KTRPOINT(p, KTR_USER)) 181 return (0); 182 p->p_traceflag |= KTRFAC_ACTIVE; 183 ktrinitheader(&kth, p, KTR_USER); 184 cp = (caddr_t) malloc(SCARG(uap, len), M_TEMP, M_WAITOK); 185 if ((error = copyin(SCARG(uap, addr), cp, SCARG(uap, len))) == 0) { 186 kth.ktr_buf = cp; 187 kth.ktr_len = SCARG(uap, len); 188 error = ktrwrite(p, &kth); 189 } 190 free(cp, M_TEMP); 191 p->p_traceflag &= ~KTRFAC_ACTIVE; 192 193 return (error); 194 #else 195 return ENOSYS; 196 #endif 197 } 198
Indexes created Mon Oct 27 20:09:55 GMT 2025