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 #include "utilities/macros.hpp" 38 39 // Initialization done by VM thread in vm_init_globals() 40 void check_ThreadShadow(); 41 void eventlog_init(); 42 void mutex_init(); 43 void chunkpool_init(); 44 void perfMemory_init(); 45 46 // Initialization done by Java thread in init_globals() 47 void management_init(); 48 void bytecodes_init(); 49 void classLoader_init(); 50 void codeCache_init(); 51 void VM_Version_init(); 52 void os_init_globals(); // depends on VM_Version_init, before universe_init 53 void stubRoutines_init1(); 54 jint universe_init(); // depends on codeCache_init and stubRoutines_init 55 void interpreter_init(); // before any methods loaded 56 void invocationCounter_init(); // before any methods loaded 57 void marksweep_init(); 58 void accessFlags_init(); 59 void templateTable_init(); 60 void InterfaceSupport_init(); 61 void universe2_init(); // dependent on codeCache_init and stubRoutines_init, loads primordial classes 62 void referenceProcessor_init(); 63 void jni_handles_init(); 64 void vmStructs_init(); 65 66 void vtableStubs_init(); 67 void InlineCacheBuffer_init(); 68 void compilerOracle_init(); 69 void compilationPolicy_init(); 70 void compileBroker_init(); 71 72 // Initialization after compiler initialization 73 bool universe_post_init(); // must happen after compiler_init 74 void javaClasses_init(); // must happen after vtable initialization 75 void stubRoutines_init2(); // note: StubRoutines need 2-phase init 76 77 // Do not disable thread-local-storage, as it is important for some 78 // JNI/JVM/JVMTI functions and signal handlers to work properly 79 // during VM shutdown 80 void perfMemory_exit(); 81 void ostream_exit(); 82 83 void vm_init_globals() { 84 check_ThreadShadow(); 85 basic_types_init(); 86 eventlog_init(); 87 mutex_init(); 88 chunkpool_init(); 89 perfMemory_init(); 90 } 91 92 93 jint init_globals() { 94 HandleMark hm; 95 management_init(); 96 bytecodes_init(); 97 classLoader_init(); 98 codeCache_init(); 99 VM_Version_init(); 100 os_init_globals(); 101 stubRoutines_init1(); 102 jint status = universe_init(); // dependent on codeCache_init and 103 // stubRoutines_init1 and metaspace_init. 104 if (status != JNI_OK) 105 return status; 106 107 interpreter_init(); // before any methods loaded 108 invocationCounter_init(); // before any methods loaded 109 marksweep_init(); 110 accessFlags_init(); 111 templateTable_init(); 112 InterfaceSupport_init(); 113 SharedRuntime::generate_stubs(); 114 universe2_init(); // dependent on codeCache_init and stubRoutines_init1 115 referenceProcessor_init(); 116 jni_handles_init(); 117 #if INCLUDE_VM_STRUCTS 118 vmStructs_init(); 119 #endif // INCLUDE_VM_STRUCTS 120 121 vtableStubs_init(); 122 InlineCacheBuffer_init(); 123 compilerOracle_init(); 124 compilationPolicy_init(); 125 compileBroker_init(); 126 VMRegImpl::set_regName(); 127 128 if (!universe_post_init()) { 129 return JNI_ERR; 130 } 131 javaClasses_init(); // must happen after vtable initialization 132 stubRoutines_init2(); // note: StubRoutines need 2-phase init 133 134 // All the flags that get adjusted by VM_Version_init and os::init_2 135 // have been set so dump the flags now. 136 if (PrintFlagsFinal) { 137 CommandLineFlags::printFlags(tty, false); 138 } 139 140 return JNI_OK; 141 } 142 143 144 void exit_globals() { 145 static bool destructorsCalled = false; 146 if (!destructorsCalled) { 147 destructorsCalled = true; 148 perfMemory_exit(); 149 if (PrintSafepointStatistics) { 150 // Print the collected safepoint statistics. 151 SafepointSynchronize::print_stat_on_exit(); 152 } 153 if (PrintStringTableStatistics) { 154 SymbolTable::dump(tty); 155 StringTable::dump(tty); 156 } 157 ostream_exit(); 158 } 159 } 160 161 162 static bool _init_completed = false; 163 164 bool is_init_completed() { 165 return _init_completed; 166 } 167 168 169 void set_init_completed() { 170 assert(Universe::is_fully_initialized(), "Should have completed initialization"); 171 _init_completed = true; 172 }