1 /* 2 * Copyright (c) 1997, 2010, 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 "incls/_precompiled.incl" 26 # include "incls/_init.cpp.incl" 27 28 // Initialization done by VM thread in vm_init_globals() 29 void check_ThreadShadow(); 30 void eventlog_init(); 31 void mutex_init(); 32 void chunkpool_init(); 33 void perfMemory_init(); 34 35 // Initialization done by Java thread in init_globals() 36 void management_init(); 37 void bytecodes_init(); 38 void classLoader_init(); 39 void codeCache_init(); 40 void VM_Version_init(); 41 void stubRoutines_init1(); 42 jint universe_init(); // dependent on codeCache_init and stubRoutines_init 43 void interpreter_init(); // before any methods loaded 44 void invocationCounter_init(); // before any methods loaded 45 void marksweep_init(); 46 void accessFlags_init(); 47 void templateTable_init(); 48 void InterfaceSupport_init(); 49 void universe2_init(); // dependent on codeCache_init and stubRoutines_init 50 void referenceProcessor_init(); 51 void jni_handles_init(); 52 void vmStructs_init(); 53 54 void vtableStubs_init(); 55 void InlineCacheBuffer_init(); 56 void compilerOracle_init(); 57 void compilationPolicy_init(); 58 59 60 // Initialization after compiler initialization 61 bool universe_post_init(); // must happen after compiler_init 62 void javaClasses_init(); // must happen after vtable initialization 63 void stubRoutines_init2(); // note: StubRoutines need 2-phase init 64 65 // Do not disable thread-local-storage, as it is important for some 66 // JNI/JVM/JVMTI functions and signal handlers to work properly 67 // during VM shutdown 68 void perfMemory_exit(); 69 void ostream_exit(); 70 71 void vm_init_globals() { 72 check_ThreadShadow(); 73 basic_types_init(); 74 eventlog_init(); 75 mutex_init(); 76 chunkpool_init(); 77 perfMemory_init(); 78 } 79 80 81 jint init_globals() { 82 HandleMark hm; 83 management_init(); 84 bytecodes_init(); 85 classLoader_init(); 86 codeCache_init(); 87 VM_Version_init(); 88 stubRoutines_init1(); 89 jint status = universe_init(); // dependent on codeCache_init and stubRoutines_init 90 if (status != JNI_OK) 91 return status; 92 93 interpreter_init(); // before any methods loaded 94 invocationCounter_init(); // before any methods loaded 95 marksweep_init(); 96 accessFlags_init(); 97 templateTable_init(); 98 InterfaceSupport_init(); 99 SharedRuntime::generate_stubs(); 100 universe2_init(); // dependent on codeCache_init and stubRoutines_init 101 referenceProcessor_init(); 102 jni_handles_init(); 103 #ifndef VM_STRUCTS_KERNEL 104 vmStructs_init(); 105 #endif // VM_STRUCTS_KERNEL 106 107 vtableStubs_init(); 108 InlineCacheBuffer_init(); 109 compilerOracle_init(); 110 compilationPolicy_init(); 111 VMRegImpl::set_regName(); 112 113 if (!universe_post_init()) { 114 return JNI_ERR; 115 } 116 javaClasses_init(); // must happen after vtable initialization 117 stubRoutines_init2(); // note: StubRoutines need 2-phase init 118 119 // Generate MethodHandles adapters. 120 MethodHandles::generate_adapters(); 121 122 // Although we'd like to, we can't easily do a heap verify 123 // here because the main thread isn't yet a JavaThread, so 124 // its TLAB may not be made parseable from the usual interfaces. 125 if (VerifyBeforeGC && !UseTLAB && 126 Universe::heap()->total_collections() >= VerifyGCStartAt) { 127 Universe::heap()->prepare_for_verify(); 128 Universe::verify(); // make sure we're starting with a clean slate 129 } 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(); 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 ostream_exit(); 151 } 152 } 153 154 155 static bool _init_completed = false; 156 157 bool is_init_completed() { 158 return _init_completed; 159 } 160 161 162 void set_init_completed() { 163 _init_completed = true; 164 }