Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 1997, 2012, 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 "classfile/symbolTable.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 os_init_globals();        // depends on VM_Version_init, before universe_init

 void stubRoutines_init1();

 jint universe_init();          // depends 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, loads primordial classes

 void referenceProcessor_init();

 void jni_handles_init();

 void vmStructs_init();

 void vtableStubs_init();

 void InlineCacheBuffer_init();

 void compilerOracle_init();

 void compilationPolicy_init();

 void compileBroker_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();

   os_init_globals();

   stubRoutines_init1();

   jint status = universe_init();  // dependent on codeCache_init and

                                   // stubRoutines_init1

   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_init1

   referenceProcessor_init();

   jni_handles_init();

 #ifndef VM_STRUCTS_KERNEL

   vmStructs_init();

 #endif // VM_STRUCTS_KERNEL

   vtableStubs_init();

   InlineCacheBuffer_init();

   compilerOracle_init();

   compilationPolicy_init();

   compileBroker_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

   // 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(tty, false);

   }

   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();

     }

     if (PrintStringTableStatistics) {

       SymbolTable::dump(tty);

       StringTable::dump(tty);

     }

     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;

 }