/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. */ #include <errno.h> #include <stdio.h> #include <stdlib.h> #include <strings.h> #include <unistd.h> #include <sys/auxv.h> #include <sys/bitmap.h> #include <sys/brand.h> #include <sys/inttypes.h> #include <sys/lwp.h> #include <sys/syscall.h> #include <sys/systm.h> #include <sys/utsname.h> #include <fcntl.h> #include <sn1_brand.h> #include <brand_misc.h> /* * See usr/src/lib/brand/shared/brand/common/brand_util.c for general * emulation notes. * * *** sn1 brand emulation scope considerations * * Given that the sn1 brand exists for testing purposes, it should * eventually be enhanced to redirect all system calls through the * brand emulation library. This will ensure the maximum testing * exposure for the brandz infrastructure. Some other options to * consider for improving brandz test exposure are: * - Folding the sn1 brand into the native brand and only enabling * it on DEBUG builds. * - Modifying the zones test suite to use sn1 branded zones by default, * and adapting functional test harnesses to use sn1 branded zones * by default instead of native zones. */ static long sn1_uname(sysret_t *rv, uintptr_t p1) { struct utsname un, *unp = (struct utsname *)p1; int rev, err; if ((err = __systemcall(rv, SYS_uname + 1024, &un)) != 0) return (err); rev = atoi(&un.release[2]); brand_assert(rev >= 10); (void) sprintf(un.release, "5.%d", rev - 1); if (uucopy(&un, unp, sizeof (un)) != 0) return (EFAULT); return (0); } /*ARGSUSED*/ int brand_init(int argc, char *argv[], char *envp[]) { ulong_t ldentry; brand_pre_init(); ldentry = brand_post_init(SN1_VERSION, argc, argv, envp); brand_runexe(argv, ldentry); /*NOTREACHED*/ brand_abort(0, "brand_runexe() returned"); return (-1); } #define IN_KERNEL_SYSCALL(name, num) \ static long \ sn1_##name(sysret_t *rv, \ uintptr_t a0, uintptr_t a1, uintptr_t a2, uintptr_t a3, \ uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7) \ { \ return (__systemcall(rv, num + 1024, \ a0, a1, a2, a3, a4, a5, a6, a7)); \ } /* * These are branded system calls, which have been redirected to this * userland emulation library, and are emulated by passing them strait * on to the kernel as native system calls. */ IN_KERNEL_SYSCALL(read, SYS_read) /* 3 */ IN_KERNEL_SYSCALL(write, SYS_write) /* 4 */ IN_KERNEL_SYSCALL(time, SYS_time) /* 13 */ IN_KERNEL_SYSCALL(getpid, SYS_getpid) /* 20 */ IN_KERNEL_SYSCALL(mount, SYS_mount) /* 21 */ IN_KERNEL_SYSCALL(getuid, SYS_getuid) /* 24 */ IN_KERNEL_SYSCALL(times, SYS_times) /* 43 */ IN_KERNEL_SYSCALL(getgid, SYS_getgid) /* 47 */ IN_KERNEL_SYSCALL(utssys, SYS_utssys) /* 57 */ IN_KERNEL_SYSCALL(waitid, SYS_waitid) /* 107 */ /* * This table must have at least NSYSCALL entries in it. * * The second parameter of each entry in the brand_sysent_table * contains the number of parameters and flags that describe the * syscall return value encoding. See the block comments at the * top of this file for more information about the syscall return * value flags and when they should be used. */ brand_sysent_table_t brand_sysent_table[] = { #if defined(__sparc) && !defined(__sparcv9) EMULATE(brand_indir, 9 | RV_64RVAL), /* 0 */ #else /* !__sparc || __sparcv9 */ NOSYS, /* 0 */ #endif /* !__sparc || __sparcv9 */ NOSYS, /* 1 */ NOSYS, /* 2 */ EMULATE(sn1_read, 3 | RV_DEFAULT), /* 3 */ EMULATE(sn1_write, 3 | RV_DEFAULT), /* 4 */ NOSYS, /* 5 */ NOSYS, /* 6 */ NOSYS, /* 7 */ NOSYS, /* 8 */ NOSYS, /* 9 */ NOSYS, /* 10 */ NOSYS, /* 11 */ NOSYS, /* 12 */ EMULATE(sn1_time, 0 | RV_DEFAULT), /* 13 */ NOSYS, /* 14 */ NOSYS, /* 15 */ NOSYS, /* 16 */ NOSYS, /* 17 */ NOSYS, /* 18 */ NOSYS, /* 19 */ EMULATE(sn1_getpid, 0 | RV_32RVAL2), /* 20 */ EMULATE(sn1_mount, 8 | RV_DEFAULT), /* 21 */ NOSYS, /* 22 */ NOSYS, /* 23 */ EMULATE(sn1_getuid, 0 | RV_32RVAL2), /* 24 */ NOSYS, /* 25 */ NOSYS, /* 26 */ NOSYS, /* 27 */ NOSYS, /* 28 */ NOSYS, /* 29 */ NOSYS, /* 30 */ NOSYS, /* 31 */ NOSYS, /* 32 */ NOSYS, /* 33 */ NOSYS, /* 34 */ NOSYS, /* 35 */ NOSYS, /* 36 */ NOSYS, /* 37 */ NOSYS, /* 38 */ NOSYS, /* 39 */ NOSYS, /* 40 */ NOSYS, /* 41 */ NOSYS, /* 42 */ EMULATE(sn1_times, 1 | RV_DEFAULT), /* 43 */ NOSYS, /* 44 */ NOSYS, /* 45 */ NOSYS, /* 46 */ EMULATE(sn1_getgid, 0 | RV_32RVAL2), /* 47 */ NOSYS, /* 48 */ NOSYS, /* 49 */ NOSYS, /* 50 */ NOSYS, /* 51 */ NOSYS, /* 52 */ NOSYS, /* 53 */ NOSYS, /* 54 */ NOSYS, /* 55 */ NOSYS, /* 56 */ EMULATE(sn1_utssys, 4 | RV_32RVAL2), /* 57 */ NOSYS, /* 58 */ NOSYS, /* 59 */ NOSYS, /* 60 */ NOSYS, /* 61 */ NOSYS, /* 62 */ NOSYS, /* 63 */ NOSYS, /* 64 */ NOSYS, /* 65 */ NOSYS, /* 66 */ NOSYS, /* 67 */ NOSYS, /* 68 */ NOSYS, /* 69 */ NOSYS, /* 70 */ NOSYS, /* 71 */ NOSYS, /* 72 */ NOSYS, /* 73 */ NOSYS, /* 74 */ NOSYS, /* 75 */ NOSYS, /* 76 */ NOSYS, /* 77 */ NOSYS, /* 78 */ NOSYS, /* 79 */ NOSYS, /* 80 */ NOSYS, /* 81 */ NOSYS, /* 82 */ NOSYS, /* 83 */ NOSYS, /* 84 */ NOSYS, /* 85 */ NOSYS, /* 86 */ NOSYS, /* 87 */ NOSYS, /* 88 */ NOSYS, /* 89 */ NOSYS, /* 90 */ NOSYS, /* 91 */ NOSYS, /* 92 */ NOSYS, /* 93 */ NOSYS, /* 94 */ NOSYS, /* 95 */ NOSYS, /* 96 */ NOSYS, /* 97 */ NOSYS, /* 98 */ NOSYS, /* 99 */ NOSYS, /* 100 */ NOSYS, /* 101 */ NOSYS, /* 102 */ NOSYS, /* 103 */ NOSYS, /* 104 */ NOSYS, /* 105 */ NOSYS, /* 106 */ EMULATE(sn1_waitid, 4 | RV_DEFAULT), /* 107 */ NOSYS, /* 108 */ NOSYS, /* 109 */ NOSYS, /* 110 */ NOSYS, /* 111 */ NOSYS, /* 112 */ NOSYS, /* 113 */ NOSYS, /* 114 */ NOSYS, /* 115 */ NOSYS, /* 116 */ NOSYS, /* 117 */ NOSYS, /* 118 */ NOSYS, /* 119 */ NOSYS, /* 120 */ NOSYS, /* 121 */ NOSYS, /* 122 */ NOSYS, /* 123 */ NOSYS, /* 124 */ NOSYS, /* 125 */ NOSYS, /* 126 */ NOSYS, /* 127 */ NOSYS, /* 128 */ NOSYS, /* 129 */ NOSYS, /* 130 */ NOSYS, /* 131 */ NOSYS, /* 132 */ NOSYS, /* 133 */ NOSYS, /* 134 */ EMULATE(sn1_uname, 1 | RV_DEFAULT), /* 135 */ NOSYS, /* 136 */ NOSYS, /* 137 */ NOSYS, /* 138 */ NOSYS, /* 139 */ NOSYS, /* 140 */ NOSYS, /* 141 */ NOSYS, /* 142 */ NOSYS, /* 143 */ NOSYS, /* 144 */ NOSYS, /* 145 */ NOSYS, /* 146 */ NOSYS, /* 147 */ NOSYS, /* 148 */ NOSYS, /* 149 */ NOSYS, /* 150 */ NOSYS, /* 151 */ NOSYS, /* 152 */ NOSYS, /* 153 */ NOSYS, /* 154 */ NOSYS, /* 155 */ NOSYS, /* 156 */ NOSYS, /* 157 */ NOSYS, /* 158 */ NOSYS, /* 159 */ NOSYS, /* 160 */ NOSYS, /* 161 */ NOSYS, /* 162 */ NOSYS, /* 163 */ NOSYS, /* 164 */ NOSYS, /* 165 */ NOSYS, /* 166 */ NOSYS, /* 167 */ NOSYS, /* 168 */ NOSYS, /* 169 */ NOSYS, /* 170 */ NOSYS, /* 171 */ NOSYS, /* 172 */ NOSYS, /* 173 */ NOSYS, /* 174 */ NOSYS, /* 175 */ NOSYS, /* 176 */ NOSYS, /* 177 */ NOSYS, /* 178 */ NOSYS, /* 179 */ NOSYS, /* 180 */ NOSYS, /* 181 */ NOSYS, /* 182 */ NOSYS, /* 183 */ NOSYS, /* 184 */ NOSYS, /* 185 */ NOSYS, /* 186 */ NOSYS, /* 187 */ NOSYS, /* 188 */ NOSYS, /* 189 */ NOSYS, /* 190 */ NOSYS, /* 191 */ NOSYS, /* 192 */ NOSYS, /* 193 */ NOSYS, /* 194 */ NOSYS, /* 195 */ NOSYS, /* 196 */ NOSYS, /* 197 */ NOSYS, /* 198 */ NOSYS, /* 199 */ NOSYS, /* 200 */ NOSYS, /* 201 */ NOSYS, /* 202 */ NOSYS, /* 203 */ NOSYS, /* 204 */ NOSYS, /* 205 */ NOSYS, /* 206 */ NOSYS, /* 207 */ NOSYS, /* 208 */ NOSYS, /* 209 */ NOSYS, /* 210 */ NOSYS, /* 211 */ NOSYS, /* 212 */ NOSYS, /* 213 */ NOSYS, /* 214 */ NOSYS, /* 215 */ NOSYS, /* 216 */ NOSYS, /* 217 */ NOSYS, /* 218 */ NOSYS, /* 219 */ NOSYS, /* 220 */ NOSYS, /* 221 */ NOSYS, /* 222 */ NOSYS, /* 223 */ NOSYS, /* 224 */ NOSYS, /* 225 */ NOSYS, /* 226 */ NOSYS, /* 227 */ NOSYS, /* 228 */ NOSYS, /* 229 */ NOSYS, /* 230 */ NOSYS, /* 231 */ NOSYS, /* 232 */ NOSYS, /* 233 */ NOSYS, /* 234 */ NOSYS, /* 235 */ NOSYS, /* 236 */ NOSYS, /* 237 */ NOSYS, /* 238 */ NOSYS, /* 239 */ NOSYS, /* 240 */ NOSYS, /* 241 */ NOSYS, /* 242 */ NOSYS, /* 243 */ NOSYS, /* 244 */ NOSYS, /* 245 */ NOSYS, /* 246 */ NOSYS, /* 247 */ NOSYS, /* 248 */ NOSYS, /* 249 */ NOSYS, /* 250 */ NOSYS, /* 251 */ NOSYS, /* 252 */ NOSYS, /* 253 */ NOSYS, /* 254 */ NOSYS /* 255 */ };
