1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26#include <sys/errno.h> 27#include <sys/exec.h> 28#include <sys/kmem.h> 29#include <sys/modctl.h> 30#include <sys/model.h> 31#include <sys/proc.h> 32#include <sys/syscall.h> 33#include <sys/systm.h> 34#include <sys/thread.h> 35#include <sys/cmn_err.h> 36#include <sys/archsystm.h> 37#include <sys/pathname.h> 38 39#include <sys/machbrand.h> 40#include <sys/brand.h> 41#include "sn1_brand.h" 42 43char *sn1_emulation_table = NULL; 44 45void sn1_init_brand_data(zone_t *); 46void sn1_free_brand_data(zone_t *); 47void sn1_setbrand(proc_t *); 48int sn1_getattr(zone_t *, int, void *, size_t *); 49int sn1_setattr(zone_t *, int, void *, size_t); 50int sn1_brandsys(int, int64_t *, uintptr_t, uintptr_t, uintptr_t, 51 uintptr_t, uintptr_t, uintptr_t); 52void sn1_copy_procdata(proc_t *, proc_t *); 53void sn1_proc_exit(struct proc *, klwp_t *); 54void sn1_exec(); 55int sn1_initlwp(klwp_t *); 56void sn1_forklwp(klwp_t *, klwp_t *); 57void sn1_freelwp(klwp_t *); 58void sn1_lwpexit(klwp_t *); 59int sn1_elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int, 60 long *, int, caddr_t, cred_t *, int); 61 62/* sn1 brand */ 63struct brand_ops sn1_brops = { 64 sn1_init_brand_data, 65 sn1_free_brand_data, 66 sn1_brandsys, 67 sn1_setbrand, 68 sn1_getattr, 69 sn1_setattr, 70 sn1_copy_procdata, 71 sn1_proc_exit, 72 sn1_exec, 73 lwp_setrval, 74 sn1_initlwp, 75 sn1_forklwp, 76 sn1_freelwp, 77 sn1_lwpexit, 78 sn1_elfexec, 79 NULL, 80 NULL, 81 NSIG, 82}; 83 84#ifdef sparc 85 86struct brand_mach_ops sn1_mops = { 87 sn1_brand_syscall_callback, 88 sn1_brand_syscall32_callback 89}; 90 91#else /* sparc */ 92 93#ifdef __amd64 94 95struct brand_mach_ops sn1_mops = { 96 sn1_brand_sysenter_callback, 97 sn1_brand_int91_callback, 98 sn1_brand_syscall_callback, 99 sn1_brand_syscall32_callback 100}; 101 102#else /* ! __amd64 */ 103 104struct brand_mach_ops sn1_mops = { 105 sn1_brand_sysenter_callback, 106 NULL, 107 sn1_brand_syscall_callback, 108 NULL 109}; 110#endif /* __amd64 */ 111 112#endif /* _sparc */ 113 114struct brand sn1_brand = { 115 BRAND_VER_1, 116 "sn1", 117 &sn1_brops, 118 &sn1_mops 119}; 120 121static struct modlbrand modlbrand = { 122 &mod_brandops, /* type of module */ 123 "Solaris N-1 Brand", /* description of module */ 124 &sn1_brand /* driver ops */ 125}; 126 127static struct modlinkage modlinkage = { 128 MODREV_1, (void *)&modlbrand, NULL 129}; 130 131void 132sn1_setbrand(proc_t *p) 133{ 134 brand_solaris_setbrand(p, &sn1_brand); 135} 136 137/* ARGSUSED */ 138int 139sn1_getattr(zone_t *zone, int attr, void *buf, size_t *bufsize) 140{ 141 return (EINVAL); 142} 143 144/* ARGSUSED */ 145int 146sn1_setattr(zone_t *zone, int attr, void *buf, size_t bufsize) 147{ 148 return (EINVAL); 149} 150 151/*ARGSUSED*/ 152int 153sn1_brandsys(int cmd, int64_t *rval, uintptr_t arg1, uintptr_t arg2, 154 uintptr_t arg3, uintptr_t arg4, uintptr_t arg5, uintptr_t arg6) 155{ 156 int res; 157 158 *rval = 0; 159 160 res = brand_solaris_cmd(cmd, arg1, arg2, arg3, &sn1_brand, SN1_VERSION); 161 if (res >= 0) 162 return (res); 163 164 return (EINVAL); 165} 166 167void 168sn1_copy_procdata(proc_t *child, proc_t *parent) 169{ 170 brand_solaris_copy_procdata(child, parent, &sn1_brand); 171} 172 173void 174sn1_proc_exit(struct proc *p, klwp_t *l) 175{ 176 brand_solaris_proc_exit(p, l, &sn1_brand); 177} 178 179void 180sn1_exec() 181{ 182 brand_solaris_exec(&sn1_brand); 183} 184 185int 186sn1_initlwp(klwp_t *l) 187{ 188 return (brand_solaris_initlwp(l, &sn1_brand)); 189} 190 191void 192sn1_forklwp(klwp_t *p, klwp_t *c) 193{ 194 brand_solaris_forklwp(p, c, &sn1_brand); 195} 196 197void 198sn1_freelwp(klwp_t *l) 199{ 200 brand_solaris_freelwp(l, &sn1_brand); 201} 202 203void 204sn1_lwpexit(klwp_t *l) 205{ 206 brand_solaris_lwpexit(l, &sn1_brand); 207} 208 209/*ARGSUSED*/ 210void 211sn1_free_brand_data(zone_t *zone) 212{ 213} 214 215/*ARGSUSED*/ 216void 217sn1_init_brand_data(zone_t *zone) 218{ 219} 220 221int 222sn1_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap, 223 int level, long *execsz, int setid, caddr_t exec_file, cred_t *cred, 224 int brand_action) 225{ 226 return (brand_solaris_elfexec(vp, uap, args, idatap, level, execsz, 227 setid, exec_file, cred, brand_action, &sn1_brand, SN1_BRANDNAME, 228 SN1_LIB, SN1_LIB32, SN1_LINKER, SN1_LINKER32)); 229} 230 231int 232_init(void) 233{ 234 int err; 235 236 /* 237 * Set up the table indicating which system calls we want to 238 * interpose on. We should probably build this automatically from 239 * a list of system calls that is shared with the user-space 240 * library. 241 */ 242 sn1_emulation_table = kmem_zalloc(NSYSCALL, KM_SLEEP); 243 sn1_emulation_table[SYS_read] = 1; /* 3 */ 244 sn1_emulation_table[SYS_write] = 1; /* 4 */ 245 sn1_emulation_table[SYS_time] = 1; /* 13 */ 246 sn1_emulation_table[SYS_getpid] = 1; /* 20 */ 247 sn1_emulation_table[SYS_mount] = 1; /* 21 */ 248 sn1_emulation_table[SYS_getuid] = 1; /* 24 */ 249 sn1_emulation_table[SYS_times] = 1; /* 43 */ 250 sn1_emulation_table[SYS_getgid] = 1; /* 47 */ 251 sn1_emulation_table[SYS_utssys] = 1; /* 57 */ 252 sn1_emulation_table[SYS_waitid] = 1; /* 107 */ 253 sn1_emulation_table[SYS_uname] = 1; /* 135 */ 254 255 err = mod_install(&modlinkage); 256 if (err) { 257 cmn_err(CE_WARN, "Couldn't install brand module"); 258 kmem_free(sn1_emulation_table, NSYSCALL); 259 } 260 261 return (err); 262} 263 264int 265_info(struct modinfo *modinfop) 266{ 267 return (mod_info(&modlinkage, modinfop)); 268} 269 270int 271_fini(void) 272{ 273 return (brand_solaris_fini(&sn1_emulation_table, &modlinkage, 274 &sn1_brand)); 275} 276