1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#include "precompiled.hpp"
#include "code/icBuffer.hpp"
#include "gc_interface/collectedHeap.hpp"
#include "interpreter/bytecodes.hpp"
#include "memory/universe.hpp"
#include "prims/methodHandles.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/icache.hpp"
#include "runtime/init.hpp"
#include "runtime/safepoint.hpp"
#include "runtime/sharedRuntime.hpp"
// Initialization done by VM thread in vm_init_globals()
void check_ThreadShadow();
void eventlog_init();
void mutex_init();
void chunkpool_init();
void perfMemory_init();
// Initialization done by Java thread in init_globals()
void management_init();
void bytecodes_init();
void classLoader_init();
void codeCache_init();
void VM_Version_init();
void stubRoutines_init1();
jint universe_init(); // dependent on codeCache_init and stubRoutines_init
void interpreter_init(); // before any methods loaded
void invocationCounter_init(); // before any methods loaded
void marksweep_init();
void accessFlags_init();
void templateTable_init();
void InterfaceSupport_init();
void universe2_init(); // dependent on codeCache_init and stubRoutines_init
void referenceProcessor_init();
void jni_handles_init();
void vmStructs_init();
void vtableStubs_init();
void InlineCacheBuffer_init();
void compilerOracle_init();
void compilationPolicy_init();
// Initialization after compiler initialization
bool universe_post_init(); // must happen after compiler_init
void javaClasses_init(); // must happen after vtable initialization
void stubRoutines_init2(); // note: StubRoutines need 2-phase init
// Do not disable thread-local-storage, as it is important for some
// JNI/JVM/JVMTI functions and signal handlers to work properly
// during VM shutdown
void perfMemory_exit();
void ostream_exit();
void vm_init_globals() {
check_ThreadShadow();
basic_types_init();
eventlog_init();
mutex_init();
chunkpool_init();
perfMemory_init();
}
jint init_globals() {
HandleMark hm;
management_init();
bytecodes_init();
classLoader_init();
codeCache_init();
VM_Version_init();
stubRoutines_init1();
jint status = universe_init(); // dependent on codeCache_init and stubRoutines_init
if (status != JNI_OK)
return status;
interpreter_init(); // before any methods loaded
invocationCounter_init(); // before any methods loaded
marksweep_init();
accessFlags_init();
templateTable_init();
InterfaceSupport_init();
SharedRuntime::generate_stubs();
universe2_init(); // dependent on codeCache_init and stubRoutines_init
referenceProcessor_init();
jni_handles_init();
#ifndef VM_STRUCTS_KERNEL
vmStructs_init();
#endif // VM_STRUCTS_KERNEL
vtableStubs_init();
InlineCacheBuffer_init();
compilerOracle_init();
compilationPolicy_init();
VMRegImpl::set_regName();
if (!universe_post_init()) {
return JNI_ERR;
}
javaClasses_init(); // must happen after vtable initialization
stubRoutines_init2(); // note: StubRoutines need 2-phase init
// Generate MethodHandles adapters.
MethodHandles::generate_adapters();
// Although we'd like to, we can't easily do a heap verify
// here because the main thread isn't yet a JavaThread, so
// its TLAB may not be made parseable from the usual interfaces.
if (VerifyBeforeGC && !UseTLAB &&
Universe::heap()->total_collections() >= VerifyGCStartAt) {
Universe::heap()->prepare_for_verify();
Universe::verify(); // make sure we're starting with a clean slate
}
// All the flags that get adjusted by VM_Version_init and os::init_2
// have been set so dump the flags now.
if (PrintFlagsFinal) {
CommandLineFlags::printFlags();
}
return JNI_OK;
}
void exit_globals() {
static bool destructorsCalled = false;
if (!destructorsCalled) {
destructorsCalled = true;
perfMemory_exit();
if (PrintSafepointStatistics) {
// Print the collected safepoint statistics.
SafepointSynchronize::print_stat_on_exit();
}
ostream_exit();
}
}
static bool _init_completed = false;
bool is_init_completed() {
return _init_completed;
}
void set_init_completed() {
assert(Universe::is_fully_initialized(), "Should have completed initialization");
_init_completed = true;
}
|
