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--- old/usr/src/uts/common/brand/sn1/sn1_brand.c
+++ new/usr/src/uts/common/brand/sn1/sn1_brand.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 * Copyright 2016 Joyent, Inc.
25 25 */
26 26
27 27 #include <sys/errno.h>
28 28 #include <sys/exec.h>
29 29 #include <sys/kmem.h>
30 30 #include <sys/modctl.h>
31 31 #include <sys/model.h>
32 32 #include <sys/proc.h>
33 33 #include <sys/syscall.h>
34 34 #include <sys/systm.h>
35 35 #include <sys/thread.h>
36 36 #include <sys/cmn_err.h>
37 37 #include <sys/archsystm.h>
38 38 #include <sys/pathname.h>
39 39
40 40 #include <sys/machbrand.h>
41 41 #include <sys/brand.h>
42 42 #include "sn1_brand.h"
43 43
44 44 char *sn1_emulation_table = NULL;
45 45
46 46 void sn1_init_brand_data(zone_t *, kmutex_t *);
47 47 void sn1_free_brand_data(zone_t *);
48 48 void sn1_setbrand(proc_t *);
49 49 int sn1_getattr(zone_t *, int, void *, size_t *);
50 50 int sn1_setattr(zone_t *, int, void *, size_t);
51 51 int sn1_brandsys(int, int64_t *, uintptr_t, uintptr_t, uintptr_t,
52 52 uintptr_t);
53 53 void sn1_copy_procdata(proc_t *, proc_t *);
54 54 void sn1_proc_exit(struct proc *);
55 55 void sn1_exec();
56 56 void sn1_initlwp(klwp_t *, void *);
57 57 void sn1_forklwp(klwp_t *, klwp_t *);
58 58 void sn1_freelwp(klwp_t *);
59 59 void sn1_lwpexit(klwp_t *);
60 60 int sn1_elfexec(vnode_t *, execa_t *, uarg_t *, intpdata_t *, int,
61 61 long *, int, caddr_t, cred_t *, int *);
62 62
63 63 /* sn1 brand */
64 64 struct brand_ops sn1_brops = {
65 65 sn1_init_brand_data, /* b_init_brand_data */
66 66 sn1_free_brand_data, /* b_free_brand_data */
67 67 sn1_brandsys, /* b_brandsys */
68 68 sn1_setbrand, /* b_setbrand */
69 69 sn1_getattr, /* b_getattr */
70 70 sn1_setattr, /* b_setattr */
71 71 sn1_copy_procdata, /* b_copy_procdata */
72 72 sn1_proc_exit, /* b_proc_exit */
73 73 sn1_exec, /* b_exec */
74 74 lwp_setrval, /* b_lwp_setrval */
75 75 NULL, /* b_lwpdata_alloc */
76 76 NULL, /* b_lwpdata_free */
77 77 sn1_initlwp, /* b_initlwp */
78 78 NULL, /* b_initlwp_post */
79 79 sn1_forklwp, /* b_forklwp */
80 80 sn1_freelwp, /* b_freelwp */
81 81 sn1_lwpexit, /* b_lwpexit */
82 82 sn1_elfexec, /* b_elfexec */
83 83 NULL, /* b_sigset_native_to_brand */
84 84 NULL, /* b_sigset_brand_to_native */
85 85 NULL, /* b_sigfd_translate */
86 86 NSIG, /* b_nsig */
87 87 NULL, /* b_exit_with_sig */
88 88 NULL, /* b_wait_filter */
89 89 NULL, /* b_native_exec */
90 90 NULL, /* b_map32limit */
91 91 NULL, /* b_stop_notify */
92 92 NULL, /* b_waitid_helper */
93 93 NULL, /* b_sigcld_repost */
94 94 NULL, /* b_issig_stop */
95 95 NULL, /* b_sig_ignorable */
96 96 NULL, /* b_savecontext */
97 97 #if defined(_SYSCALL32_IMPL)
98 98 NULL, /* b_savecontext32 */
99 99 #endif
100 100 NULL, /* b_restorecontext */
101 101 NULL, /* b_sendsig_stack */
102 102 NULL, /* b_sendsig */
103 103 NULL, /* b_setid_clear */
104 104 NULL, /* b_pagefault */
105 105 B_TRUE /* b_intp_parse_arg */
106 106 };
107 107
108 108 #ifdef sparc
109 109
110 110 struct brand_mach_ops sn1_mops = {
111 111 sn1_brand_syscall_callback,
112 112 sn1_brand_syscall32_callback
113 113 };
114 114
115 115 #else /* sparc */
116 116
117 117 #ifdef __amd64
118 118
119 119 struct brand_mach_ops sn1_mops = {
120 120 sn1_brand_sysenter_callback,
121 121 NULL,
122 122 sn1_brand_int91_callback,
123 123 sn1_brand_syscall_callback,
124 124 sn1_brand_syscall32_callback,
125 125 NULL,
126 126 NULL
127 127 };
128 128
129 129 #else /* ! __amd64 */
130 130
131 131 struct brand_mach_ops sn1_mops = {
132 132 sn1_brand_sysenter_callback,
133 133 NULL,
134 134 NULL,
135 135 sn1_brand_syscall_callback,
136 136 NULL,
137 137 NULL,
138 138 NULL
139 139 };
140 140 #endif /* __amd64 */
141 141
142 142 #endif /* _sparc */
143 143
144 144 struct brand sn1_brand = {
145 145 BRAND_VER_1,
146 146 "sn1",
147 147 &sn1_brops,
148 148 &sn1_mops,
149 149 sizeof (brand_proc_data_t),
150 150 };
151 151
152 152 static struct modlbrand modlbrand = {
153 153 &mod_brandops, /* type of module */
154 154 "Solaris N-1 Brand", /* description of module */
155 155 &sn1_brand /* driver ops */
156 156 };
157 157
158 158 static struct modlinkage modlinkage = {
159 159 MODREV_1, (void *)&modlbrand, NULL
160 160 };
161 161
162 162 void
163 163 sn1_setbrand(proc_t *p)
164 164 {
165 165 brand_solaris_setbrand(p, &sn1_brand);
166 166 }
167 167
168 168 /* ARGSUSED */
169 169 int
170 170 sn1_getattr(zone_t *zone, int attr, void *buf, size_t *bufsize)
171 171 {
172 172 return (EINVAL);
173 173 }
174 174
175 175 /* ARGSUSED */
176 176 int
177 177 sn1_setattr(zone_t *zone, int attr, void *buf, size_t bufsize)
178 178 {
179 179 return (EINVAL);
180 180 }
181 181
182 182 /* ARGSUSED5 */
183 183 int
184 184 sn1_brandsys(int cmd, int64_t *rval, uintptr_t arg1, uintptr_t arg2,
185 185 uintptr_t arg3, uintptr_t arg4)
186 186 {
187 187 int res;
188 188
189 189 *rval = 0;
190 190
191 191 res = brand_solaris_cmd(cmd, arg1, arg2, arg3, &sn1_brand, SN1_VERSION);
192 192 if (res >= 0)
193 193 return (res);
194 194
195 195 return (EINVAL);
196 196 }
197 197
198 198 void
199 199 sn1_copy_procdata(proc_t *child, proc_t *parent)
200 200 {
201 201 brand_solaris_copy_procdata(child, parent, &sn1_brand);
202 202 }
203 203
204 204 void
205 205 sn1_proc_exit(struct proc *p)
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206 206 {
207 207 brand_solaris_proc_exit(p, &sn1_brand);
208 208 }
209 209
210 210 void
211 211 sn1_exec()
212 212 {
213 213 brand_solaris_exec(&sn1_brand);
214 214 }
215 215
216 +/* ARGSUSED */
216 217 void
217 218 sn1_initlwp(klwp_t *l, void *bd)
218 219 {
219 220 brand_solaris_initlwp(l, &sn1_brand);
220 221 }
221 222
222 223 void
223 224 sn1_forklwp(klwp_t *p, klwp_t *c)
224 225 {
225 226 brand_solaris_forklwp(p, c, &sn1_brand);
226 227 }
227 228
228 229 void
229 230 sn1_freelwp(klwp_t *l)
230 231 {
231 232 brand_solaris_freelwp(l, &sn1_brand);
232 233 }
233 234
234 235 void
235 236 sn1_lwpexit(klwp_t *l)
236 237 {
237 238 brand_solaris_lwpexit(l, &sn1_brand);
238 239 }
239 240
240 241 /*ARGSUSED*/
241 242 void
242 243 sn1_free_brand_data(zone_t *zone)
243 244 {
244 245 }
245 246
246 247 /*ARGSUSED*/
247 248 void
248 249 sn1_init_brand_data(zone_t *zone, kmutex_t *zsl)
249 250 {
250 251 }
251 252
252 253 int
253 254 sn1_elfexec(vnode_t *vp, execa_t *uap, uarg_t *args, intpdata_t *idatap,
254 255 int level, long *execsz, int setid, caddr_t exec_file, cred_t *cred,
255 256 int *brand_action)
256 257 {
257 258 return (brand_solaris_elfexec(vp, uap, args, idatap, level, execsz,
258 259 setid, exec_file, cred, brand_action, &sn1_brand, SN1_BRANDNAME,
259 260 SN1_LIB, SN1_LIB32));
260 261 }
261 262
262 263 int
263 264 _init(void)
264 265 {
265 266 int err;
266 267
267 268 /*
268 269 * Set up the table indicating which system calls we want to
269 270 * interpose on. We should probably build this automatically from
270 271 * a list of system calls that is shared with the user-space
271 272 * library.
272 273 */
273 274 sn1_emulation_table = kmem_zalloc(NSYSCALL, KM_SLEEP);
274 275 sn1_emulation_table[SYS_read] = 1; /* 3 */
275 276 sn1_emulation_table[SYS_write] = 1; /* 4 */
276 277 sn1_emulation_table[SYS_time] = 1; /* 13 */
277 278 sn1_emulation_table[SYS_getpid] = 1; /* 20 */
278 279 sn1_emulation_table[SYS_mount] = 1; /* 21 */
279 280 sn1_emulation_table[SYS_getuid] = 1; /* 24 */
280 281 sn1_emulation_table[SYS_times] = 1; /* 43 */
281 282 sn1_emulation_table[SYS_getgid] = 1; /* 47 */
282 283 sn1_emulation_table[SYS_utssys] = 1; /* 57 */
283 284 sn1_emulation_table[SYS_waitid] = 1; /* 107 */
284 285 sn1_emulation_table[SYS_uname] = 1; /* 135 */
285 286
286 287 err = mod_install(&modlinkage);
287 288 if (err) {
288 289 cmn_err(CE_WARN, "Couldn't install brand module");
289 290 kmem_free(sn1_emulation_table, NSYSCALL);
290 291 }
291 292
292 293 return (err);
293 294 }
294 295
295 296 int
296 297 _info(struct modinfo *modinfop)
297 298 {
298 299 return (mod_info(&modlinkage, modinfop));
299 300 }
300 301
301 302 int
302 303 _fini(void)
303 304 {
304 305 return (brand_solaris_fini(&sn1_emulation_table, &modlinkage,
305 306 &sn1_brand));
306 307 }
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