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 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
25 * Copyright 2017 RackTop Systems.
26 */
27
28 #include <sys/param.h>
29 #include <sys/types.h>
30 #include <sys/varargs.h>
31 #include <sys/systm.h>
32 #include <sys/cmn_err.h>
33 #include <sys/log.h>
34
35 #include <fakekernel.h>
36
37 void abort(void) __NORETURN;
38
39 char *volatile panicstr;
40 va_list panicargs;
41 char panicbuf[512];
42
43 volatile int aok;
44
45 static const int
46 ce_flags[CE_IGNORE] = { SL_NOTE, SL_NOTE, SL_WARN, SL_FATAL };
47 static const char
48 ce_prefix[CE_IGNORE][10] = { "", "NOTICE: ", "WARNING: ", "" };
49 static const char
50 ce_suffix[CE_IGNORE][2] = { "", "\n", "\n", "" };
51
52
53 /*
54 * This function is just a stub, exported NODIRECT so that
55 * comsumers like fksmbd can provide their own.
56 * (One that actually prints the messages.)
57 *
82
83 if (strchr("^!?", fmt[0]) != NULL) {
84 if (fmt[0] == '^')
85 flags |= SL_CONSONLY;
86 else if (fmt[0] == '!')
87 flags |= SL_LOGONLY;
88 fmt++;
89 }
90
91 bufend = bufp + bufsize;
92 msgp = bufp;
93 msgp += snprintf(msgp, bufend - msgp, "[fake_kernel] ");
94 msgp += snprintf(msgp, bufend - msgp, prefix);
95 msgp += vsnprintf(msgp, bufend - msgp, fmt, adx);
96 msgp += snprintf(msgp, bufend - msgp, suffix);
97 len = msgp - bufp;
98
99 fakekernel_putlog(bufp, len, flags);
100 }
101
102 /*
103 * "User-level crash dump", if you will.
104 */
105 void
106 vpanic(const char *fmt, va_list adx)
107 {
108 va_list tmpargs;
109
110 panicstr = (char *)fmt;
111 va_copy(panicargs, adx);
112
113 va_copy(tmpargs, adx);
114 fakekernel_cprintf(fmt, tmpargs, SL_FATAL, "fatal: ", "\n");
115
116 /* Call libc`assfail() so that mdb ::status works */
117 (void) vsnprintf(panicbuf, sizeof (panicbuf), fmt, adx);
118 assfail(panicbuf, "(panic)", 0);
119
120 abort(); /* avoid "noreturn" warnings */
121 }
122
123 void
124 panic(const char *fmt, ...)
125 {
126 va_list adx;
127
128 va_start(adx, fmt);
129 vpanic(fmt, adx);
130 va_end(adx);
131 }
132
133 void
134 fm_panic(const char *fmt, ...)
135 {
136 va_list adx;
137
138 va_start(adx, fmt);
145 {
146
147 if (ce == CE_PANIC)
148 vpanic(fmt, adx);
149 if (ce >= CE_IGNORE)
150 return;
151
152 fakekernel_cprintf(fmt, adx, ce_flags[ce] | SL_CONSOLE,
153 ce_prefix[ce], ce_suffix[ce]);
154 }
155
156 /*PRINTFLIKE2*/
157 void
158 cmn_err(int ce, const char *fmt, ...)
159 {
160 va_list adx;
161
162 va_start(adx, fmt);
163 vcmn_err(ce, fmt, adx);
164 va_end(adx);
165 }
|
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 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012 by Delphix. All rights reserved.
24 * Copyright 2017 Nexenta Systems, Inc. All rights reserved.
25 * Copyright 2017 RackTop Systems.
26 */
27
28 #include <sys/param.h>
29 #include <sys/types.h>
30 #include <sys/varargs.h>
31 #include <sys/systm.h>
32 #include <sys/cmn_err.h>
33 #include <sys/log.h>
34
35 #include <fakekernel.h>
36
37 void abort(void) __NORETURN;
38 void debug_enter(char *);
39
40 char *volatile panicstr;
41 va_list panicargs;
42 char panicbuf[512];
43
44 volatile int aok;
45
46 static const int
47 ce_flags[CE_IGNORE] = { SL_NOTE, SL_NOTE, SL_WARN, SL_FATAL };
48 static const char
49 ce_prefix[CE_IGNORE][10] = { "", "NOTICE: ", "WARNING: ", "" };
50 static const char
51 ce_suffix[CE_IGNORE][2] = { "", "\n", "\n", "" };
52
53
54 /*
55 * This function is just a stub, exported NODIRECT so that
56 * comsumers like fksmbd can provide their own.
57 * (One that actually prints the messages.)
58 *
83
84 if (strchr("^!?", fmt[0]) != NULL) {
85 if (fmt[0] == '^')
86 flags |= SL_CONSONLY;
87 else if (fmt[0] == '!')
88 flags |= SL_LOGONLY;
89 fmt++;
90 }
91
92 bufend = bufp + bufsize;
93 msgp = bufp;
94 msgp += snprintf(msgp, bufend - msgp, "[fake_kernel] ");
95 msgp += snprintf(msgp, bufend - msgp, prefix);
96 msgp += vsnprintf(msgp, bufend - msgp, fmt, adx);
97 msgp += snprintf(msgp, bufend - msgp, suffix);
98 len = msgp - bufp;
99
100 fakekernel_putlog(bufp, len, flags);
101 }
102
103 /* ARGSUSED */
104 void
105 vzprintf(zoneid_t zoneid, const char *fmt, va_list adx)
106 {
107 fakekernel_cprintf(fmt, adx, SL_CONSOLE | SL_NOTE, "", "");
108 }
109
110 /*PRINTFLIKE2*/
111 void
112 zprintf(zoneid_t zoneid, const char *fmt, ...)
113 {
114 va_list adx;
115
116 va_start(adx, fmt);
117 vzprintf(zoneid, fmt, adx);
118 va_end(adx);
119 }
120
121 /*
122 * "User-level crash dump", if you will.
123 */
124 void
125 vpanic(const char *fmt, va_list adx)
126 {
127 va_list tmpargs;
128
129 panicstr = (char *)fmt;
130 va_copy(panicargs, adx);
131
132 va_copy(tmpargs, adx);
133 fakekernel_cprintf(fmt, tmpargs, SL_FATAL, "fatal: ", "\n");
134
135 /* Call libc`assfail() so that mdb ::status works */
136 (void) vsnprintf(panicbuf, sizeof (panicbuf), fmt, adx);
137 debug_enter(panicbuf);
138 (void) assfail(panicbuf, "(panic)", 0);
139
140 abort(); /* avoid "noreturn" warnings */
141 }
142
143 void
144 panic(const char *fmt, ...)
145 {
146 va_list adx;
147
148 va_start(adx, fmt);
149 vpanic(fmt, adx);
150 va_end(adx);
151 }
152
153 void
154 fm_panic(const char *fmt, ...)
155 {
156 va_list adx;
157
158 va_start(adx, fmt);
165 {
166
167 if (ce == CE_PANIC)
168 vpanic(fmt, adx);
169 if (ce >= CE_IGNORE)
170 return;
171
172 fakekernel_cprintf(fmt, adx, ce_flags[ce] | SL_CONSOLE,
173 ce_prefix[ce], ce_suffix[ce]);
174 }
175
176 /*PRINTFLIKE2*/
177 void
178 cmn_err(int ce, const char *fmt, ...)
179 {
180 va_list adx;
181
182 va_start(adx, fmt);
183 vcmn_err(ce, fmt, adx);
184 va_end(adx);
185 }
186
187 /* ARGSUSED */
188 void
189 debug_enter(char *str)
190 {
191 /* Just a place for a break point. */
192 }
|