duke@435: /*
zgu@7074:  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
coleenp@3865: #include "classfile/symbolTable.hpp"
stefank@2314: #include "code/icBuffer.hpp"
stefank@2314: #include "gc_interface/collectedHeap.hpp"
stefank@2314: #include "interpreter/bytecodes.hpp"
stefank@2314: #include "memory/universe.hpp"
stefank@2314: #include "prims/methodHandles.hpp"
stefank@2314: #include "runtime/handles.inline.hpp"
stefank@2314: #include "runtime/icache.hpp"
stefank@2314: #include "runtime/init.hpp"
stefank@2314: #include "runtime/safepoint.hpp"
stefank@2314: #include "runtime/sharedRuntime.hpp"
zgu@7074: #include "services/memTracker.hpp"
jprovino@4542: #include "utilities/macros.hpp"
duke@435: 
zgu@7074: 
duke@435: // Initialization done by VM thread in vm_init_globals()
duke@435: void check_ThreadShadow();
duke@435: void eventlog_init();
duke@435: void mutex_init();
duke@435: void chunkpool_init();
duke@435: void perfMemory_init();
duke@435: 
duke@435: // Initialization done by Java thread in init_globals()
duke@435: void management_init();
duke@435: void bytecodes_init();
duke@435: void classLoader_init();
duke@435: void codeCache_init();
duke@435: void VM_Version_init();
phh@3378: void os_init_globals();        // depends on VM_Version_init, before universe_init
duke@435: void stubRoutines_init1();
phh@3378: jint universe_init();          // depends on codeCache_init and stubRoutines_init
phh@3378: void interpreter_init();       // before any methods loaded
phh@3378: void invocationCounter_init(); // before any methods loaded
duke@435: void marksweep_init();
duke@435: void accessFlags_init();
duke@435: void templateTable_init();
duke@435: void InterfaceSupport_init();
phh@3378: void universe2_init();  // dependent on codeCache_init and stubRoutines_init, loads primordial classes
duke@435: void referenceProcessor_init();
duke@435: void jni_handles_init();
duke@435: void vmStructs_init();
duke@435: 
duke@435: void vtableStubs_init();
duke@435: void InlineCacheBuffer_init();
duke@435: void compilerOracle_init();
duke@435: void compilationPolicy_init();
never@3499: void compileBroker_init();
duke@435: 
duke@435: // Initialization after compiler initialization
duke@435: bool universe_post_init();  // must happen after compiler_init
duke@435: void javaClasses_init();  // must happen after vtable initialization
duke@435: void stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435: 
duke@435: // Do not disable thread-local-storage, as it is important for some
duke@435: // JNI/JVM/JVMTI functions and signal handlers to work properly
duke@435: // during VM shutdown
duke@435: void perfMemory_exit();
duke@435: void ostream_exit();
duke@435: 
duke@435: void vm_init_globals() {
duke@435:   check_ThreadShadow();
coleenp@548:   basic_types_init();
duke@435:   eventlog_init();
duke@435:   mutex_init();
duke@435:   chunkpool_init();
duke@435:   perfMemory_init();
duke@435: }
duke@435: 
duke@435: 
duke@435: jint init_globals() {
duke@435:   HandleMark hm;
duke@435:   management_init();
duke@435:   bytecodes_init();
duke@435:   classLoader_init();
duke@435:   codeCache_init();
duke@435:   VM_Version_init();
phh@3378:   os_init_globals();
duke@435:   stubRoutines_init1();
phh@3378:   jint status = universe_init();  // dependent on codeCache_init and
coleenp@4037:                                   // stubRoutines_init1 and metaspace_init.
duke@435:   if (status != JNI_OK)
duke@435:     return status;
duke@435: 
duke@435:   interpreter_init();  // before any methods loaded
duke@435:   invocationCounter_init();  // before any methods loaded
duke@435:   marksweep_init();
duke@435:   accessFlags_init();
duke@435:   templateTable_init();
duke@435:   InterfaceSupport_init();
duke@435:   SharedRuntime::generate_stubs();
phh@3378:   universe2_init();  // dependent on codeCache_init and stubRoutines_init1
duke@435:   referenceProcessor_init();
duke@435:   jni_handles_init();
jprovino@4165: #if INCLUDE_VM_STRUCTS
duke@435:   vmStructs_init();
jprovino@4165: #endif // INCLUDE_VM_STRUCTS
duke@435: 
duke@435:   vtableStubs_init();
duke@435:   InlineCacheBuffer_init();
duke@435:   compilerOracle_init();
duke@435:   compilationPolicy_init();
never@3499:   compileBroker_init();
duke@435:   VMRegImpl::set_regName();
duke@435: 
duke@435:   if (!universe_post_init()) {
duke@435:     return JNI_ERR;
duke@435:   }
phh@3378:   javaClasses_init();   // must happen after vtable initialization
duke@435:   stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435: 
zgu@7074: #if INCLUDE_NMT
zgu@7074:   // Solaris stack is walkable only after stubRoutines are set up.
zgu@7074:   // On Other platforms, the stack is always walkable.
zgu@7074:   NMT_stack_walkable = true;
zgu@7074: #endif // INCLUDE_NMT
zgu@7074: 
never@2085:   // All the flags that get adjusted by VM_Version_init and os::init_2
never@2085:   // have been set so dump the flags now.
never@2085:   if (PrintFlagsFinal) {
fparain@3402:     CommandLineFlags::printFlags(tty, false);
never@2085:   }
never@2085: 
duke@435:   return JNI_OK;
duke@435: }
duke@435: 
duke@435: 
duke@435: void exit_globals() {
duke@435:   static bool destructorsCalled = false;
duke@435:   if (!destructorsCalled) {
duke@435:     destructorsCalled = true;
duke@435:     perfMemory_exit();
duke@435:     if (PrintSafepointStatistics) {
duke@435:       // Print the collected safepoint statistics.
duke@435:       SafepointSynchronize::print_stat_on_exit();
duke@435:     }
coleenp@3865:     if (PrintStringTableStatistics) {
coleenp@3865:       SymbolTable::dump(tty);
coleenp@3865:       StringTable::dump(tty);
coleenp@3865:     }
duke@435:     ostream_exit();
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: static bool _init_completed = false;
duke@435: 
duke@435: bool is_init_completed() {
duke@435:   return _init_completed;
duke@435: }
duke@435: 
duke@435: 
duke@435: void set_init_completed() {
ysr@2301:   assert(Universe::is_fully_initialized(), "Should have completed initialization");
duke@435:   _init_completed = true;
duke@435: }