aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "classfile/symbolTable.hpp"
aoqi@0: #include "code/icBuffer.hpp"
aoqi@0: #include "gc_interface/collectedHeap.hpp"
aoqi@0: #include "interpreter/bytecodes.hpp"
aoqi@0: #include "memory/universe.hpp"
aoqi@0: #include "prims/methodHandles.hpp"
aoqi@0: #include "runtime/handles.inline.hpp"
aoqi@0: #include "runtime/icache.hpp"
aoqi@0: #include "runtime/init.hpp"
aoqi@0: #include "runtime/safepoint.hpp"
aoqi@0: #include "runtime/sharedRuntime.hpp"
aoqi@0: #include "utilities/macros.hpp"
aoqi@0: 
aoqi@0: // Initialization done by VM thread in vm_init_globals()
aoqi@0: void check_ThreadShadow();
aoqi@0: void eventlog_init();
aoqi@0: void mutex_init();
aoqi@0: void chunkpool_init();
aoqi@0: void perfMemory_init();
aoqi@0: 
aoqi@0: // Initialization done by Java thread in init_globals()
aoqi@0: void management_init();
aoqi@0: void bytecodes_init();
aoqi@0: void classLoader_init();
aoqi@0: void codeCache_init();
aoqi@0: void VM_Version_init();
aoqi@0: void os_init_globals();        // depends on VM_Version_init, before universe_init
aoqi@0: void stubRoutines_init1();
aoqi@0: jint universe_init();          // depends on codeCache_init and stubRoutines_init
aoqi@0: void interpreter_init();       // before any methods loaded
aoqi@0: void invocationCounter_init(); // before any methods loaded
aoqi@0: void marksweep_init();
aoqi@0: void accessFlags_init();
aoqi@0: void templateTable_init();
aoqi@0: void InterfaceSupport_init();
aoqi@0: void universe2_init();  // dependent on codeCache_init and stubRoutines_init, loads primordial classes
aoqi@0: void referenceProcessor_init();
aoqi@0: void jni_handles_init();
aoqi@0: void vmStructs_init();
aoqi@0: 
aoqi@0: void vtableStubs_init();
aoqi@0: void InlineCacheBuffer_init();
aoqi@0: void compilerOracle_init();
aoqi@0: void compilationPolicy_init();
aoqi@0: void compileBroker_init();
aoqi@0: 
aoqi@0: // Initialization after compiler initialization
aoqi@0: bool universe_post_init();  // must happen after compiler_init
aoqi@0: void javaClasses_init();  // must happen after vtable initialization
aoqi@0: void stubRoutines_init2(); // note: StubRoutines need 2-phase init
aoqi@0: 
aoqi@0: // Do not disable thread-local-storage, as it is important for some
aoqi@0: // JNI/JVM/JVMTI functions and signal handlers to work properly
aoqi@0: // during VM shutdown
aoqi@0: void perfMemory_exit();
aoqi@0: void ostream_exit();
aoqi@0: 
aoqi@0: void vm_init_globals() {
aoqi@0:   check_ThreadShadow();
aoqi@0:   basic_types_init();
aoqi@0:   eventlog_init();
aoqi@0:   mutex_init();
aoqi@0:   chunkpool_init();
aoqi@0:   perfMemory_init();
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: jint init_globals() {
aoqi@0:   HandleMark hm;
aoqi@0:   management_init();
aoqi@0:   bytecodes_init();
aoqi@0:   classLoader_init();
aoqi@0:   codeCache_init();
aoqi@0:   VM_Version_init();
aoqi@0:   os_init_globals();
aoqi@0:   stubRoutines_init1();
aoqi@0:   jint status = universe_init();  // dependent on codeCache_init and
aoqi@0:                                   // stubRoutines_init1 and metaspace_init.
aoqi@0:   if (status != JNI_OK)
aoqi@0:     return status;
aoqi@0: 
aoqi@0:   interpreter_init();  // before any methods loaded
aoqi@0:   invocationCounter_init();  // before any methods loaded
aoqi@0:   marksweep_init();
aoqi@0:   accessFlags_init();
aoqi@0:   templateTable_init();
aoqi@0:   InterfaceSupport_init();
aoqi@0:   SharedRuntime::generate_stubs();
aoqi@0:   universe2_init();  // dependent on codeCache_init and stubRoutines_init1
aoqi@0:   referenceProcessor_init();
aoqi@0:   jni_handles_init();
aoqi@0: #if INCLUDE_VM_STRUCTS
aoqi@0:   vmStructs_init();
aoqi@0: #endif // INCLUDE_VM_STRUCTS
aoqi@0: 
aoqi@0:   vtableStubs_init();
aoqi@0:   InlineCacheBuffer_init();
aoqi@0:   compilerOracle_init();
aoqi@0:   compilationPolicy_init();
aoqi@0:   compileBroker_init();
aoqi@0:   VMRegImpl::set_regName();
aoqi@0: 
aoqi@0:   if (!universe_post_init()) {
aoqi@0:     return JNI_ERR;
aoqi@0:   }
aoqi@0:   javaClasses_init();   // must happen after vtable initialization
aoqi@0:   stubRoutines_init2(); // note: StubRoutines need 2-phase init
aoqi@0: 
aoqi@0:   // All the flags that get adjusted by VM_Version_init and os::init_2
aoqi@0:   // have been set so dump the flags now.
aoqi@0:   if (PrintFlagsFinal) {
aoqi@0:     CommandLineFlags::printFlags(tty, false);
aoqi@0:   }
aoqi@0: 
aoqi@0:   return JNI_OK;
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: void exit_globals() {
aoqi@0:   static bool destructorsCalled = false;
aoqi@0:   if (!destructorsCalled) {
aoqi@0:     destructorsCalled = true;
aoqi@0:     perfMemory_exit();
aoqi@0:     if (PrintSafepointStatistics) {
aoqi@0:       // Print the collected safepoint statistics.
aoqi@0:       SafepointSynchronize::print_stat_on_exit();
aoqi@0:     }
aoqi@0:     if (PrintStringTableStatistics) {
aoqi@0:       SymbolTable::dump(tty);
aoqi@0:       StringTable::dump(tty);
aoqi@0:     }
aoqi@0:     ostream_exit();
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: static bool _init_completed = false;
aoqi@0: 
aoqi@0: bool is_init_completed() {
aoqi@0:   return _init_completed;
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: void set_init_completed() {
aoqi@0:   assert(Universe::is_fully_initialized(), "Should have completed initialization");
aoqi@0:   _init_completed = true;
aoqi@0: }