1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/symbolTable.hpp"
27 #include "code/icBuffer.hpp"
28 #include "gc_interface/collectedHeap.hpp"
29 #include "interpreter/bytecodes.hpp"
30 #include "memory/universe.hpp"
31 #include "prims/methodHandles.hpp"
32 #include "runtime/handles.inline.hpp"
33 #include "runtime/icache.hpp"
34 #include "runtime/init.hpp"
35 #include "runtime/safepoint.hpp"
36 #include "runtime/sharedRuntime.hpp"
37
38 // Initialization done by VM thread in vm_init_globals()
39 void check_ThreadShadow();
40 void eventlog_init();
41 void mutex_init();
42 void chunkpool_init();
43 void perfMemory_init();
44
45 // Initialization done by Java thread in init_globals()
46 void management_init();
47 void bytecodes_init();
48 void classLoader_init();
49 void codeCache_init();
50 void VM_Version_init();
51 void os_init_globals(); // depends on VM_Version_init, before universe_init
52 void stubRoutines_init1();
53 jint universe_init(); // depends on codeCache_init and stubRoutines_init
54 void interpreter_init(); // before any methods loaded
55 void invocationCounter_init(); // before any methods loaded
56 void marksweep_init();
57 void accessFlags_init();
58 void templateTable_init();
59 void InterfaceSupport_init();
60 void universe2_init(); // dependent on codeCache_init and stubRoutines_init, loads primordial classes
61 void referenceProcessor_init();
62 void jni_handles_init();
63 void vmStructs_init();
64
65 void vtableStubs_init();
66 void InlineCacheBuffer_init();
67 void compilerOracle_init();
68 void compilationPolicy_init();
69 void compileBroker_init();
70
71 // Initialization after compiler initialization
72 bool universe_post_init(); // must happen after compiler_init
73 void javaClasses_init(); // must happen after vtable initialization
74 void stubRoutines_init2(); // note: StubRoutines need 2-phase init
75
76 // Do not disable thread-local-storage, as it is important for some
77 // JNI/JVM/JVMTI functions and signal handlers to work properly
78 // during VM shutdown
79 void perfMemory_exit();
80 void ostream_exit();
81
82 void vm_init_globals() {
83 check_ThreadShadow();
84 basic_types_init();
85 eventlog_init();
86 mutex_init();
87 chunkpool_init();
88 perfMemory_init();
89 }
90
91
92 jint init_globals() {
93 HandleMark hm;
94 management_init();
95 bytecodes_init();
96 classLoader_init();
97 codeCache_init();
98 VM_Version_init();
99 os_init_globals();
100 stubRoutines_init1();
101 jint status = universe_init(); // dependent on codeCache_init and
102 // stubRoutines_init1
103 if (status != JNI_OK)
104 return status;
105
106 interpreter_init(); // before any methods loaded
107 invocationCounter_init(); // before any methods loaded
108 marksweep_init();
109 accessFlags_init();
110 templateTable_init();
111 InterfaceSupport_init();
112 SharedRuntime::generate_stubs();
113 universe2_init(); // dependent on codeCache_init and stubRoutines_init1
114 referenceProcessor_init();
115 jni_handles_init();
116 vmStructs_init();
117
118 vtableStubs_init();
119 InlineCacheBuffer_init();
120 compilerOracle_init();
121 compilationPolicy_init();
122 compileBroker_init();
123 VMRegImpl::set_regName();
124
125 if (!universe_post_init()) {
126 return JNI_ERR;
127 }
128 javaClasses_init(); // must happen after vtable initialization
129 stubRoutines_init2(); // note: StubRoutines need 2-phase init
130
131 // All the flags that get adjusted by VM_Version_init and os::init_2
132 // have been set so dump the flags now.
133 if (PrintFlagsFinal) {
134 CommandLineFlags::printFlags(tty, false);
135 }
136
137 return JNI_OK;
138 }
139
140
141 void exit_globals() {
142 static bool destructorsCalled = false;
143 if (!destructorsCalled) {
144 destructorsCalled = true;
145 perfMemory_exit();
146 if (PrintSafepointStatistics) {
147 // Print the collected safepoint statistics.
148 SafepointSynchronize::print_stat_on_exit();
149 }
150 if (PrintStringTableStatistics) {
151 SymbolTable::dump(tty);
152 StringTable::dump(tty);
153 }
154 ostream_exit();
155 }
156 }
157
158
159 static bool _init_completed = false;
160
161 bool is_init_completed() {
162 return _init_completed;
163 }
164
165
166 void set_init_completed() {
167 assert(Universe::is_fully_initialized(), "Should have completed initialization");
168 _init_completed = true;
169 }