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comparison src/share/vm/prims/jvmtiTrace.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 ///////////////////////////////////////////////////////////////
26 //
27 // class JvmtiTrace
28 //
29 // Support for JVMTI tracing code
30 //
31
32 // Support tracing except in product build on the client compiler
33 #ifndef PRODUCT
34 #define JVMTI_TRACE 1
35 #else
36 #ifdef COMPILER2
37 #define JVMTI_TRACE 1
38 #endif
39 #endif
40
41 #ifdef JVMTI_TRACE
42
43 class JvmtiTrace : AllStatic {
44
45 static bool _initialized;
46 static bool _on;
47 static bool _trace_event_controller;
48 static jbyte _trace_flags[];
49 static jbyte _event_trace_flags[];
50 static const char* _event_names[];
51 static jint _max_function_index;
52 static jint _max_event_index;
53 static short _exclude_functions[];
54 static const char* _function_names[];
55
56 public:
57
58 enum {
59 SHOW_IN = 01,
60 SHOW_OUT = 02,
61 SHOW_ERROR = 04,
62 SHOW_IN_DETAIL = 010,
63 SHOW_OUT_DETAIL = 020,
64 SHOW_EVENT_TRIGGER = 040,
65 SHOW_EVENT_SENT = 0100
66 };
67
68 static bool tracing() { return _on; }
69 static bool trace_event_controller() { return _trace_event_controller; }
70 static jbyte trace_flags(int num) { return _trace_flags[num]; }
71 static jbyte event_trace_flags(int num) { return _event_trace_flags[num]; }
72 static const char* function_name(int num) { return _function_names[num]; } // To Do: add range checking
73
74 static const char* event_name(int num) {
75 static char* ext_event_name = (char*)"(extension event)";
76 if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) {
77 return _event_names[num];
78 } else {
79 return ext_event_name;
80 }
81 }
82
83 static const char* enum_name(const char** names, const jint* values, jint value);
84
85 static void initialize();
86 static void shutdown();
87
88 // return a valid string no matter what state the thread is in
89 static const char *safe_get_thread_name(Thread *thread);
90
91 // return the name of the current thread
92 static const char *safe_get_current_thread_name();
93
94 // return a valid string no matter what the state of k_mirror
95 static const char *get_class_name(oop k_mirror);
96 };
97
98 #endif /*JVMTI_TRACE */