src/hotspot/share/runtime/init.cpp
author erikj
Tue, 12 Sep 2017 19:03:39 +0200
changeset 47216 71c04702a3d5
parent 42664 hotspot/src/share/vm/runtime/init.cpp@29142a56c193
child 47688 3d1e3786d66e
permissions -rw-r--r--
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/*
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 * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/stringTable.hpp"
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#include "classfile/symbolTable.hpp"
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#include "code/icBuffer.hpp"
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#include "gc/shared/collectedHeap.hpp"
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#include "interpreter/bytecodes.hpp"
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#include "memory/universe.hpp"
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#include "prims/methodHandles.hpp"
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#include "runtime/globals.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/icache.hpp"
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#include "runtime/init.hpp"
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#include "runtime/safepoint.hpp"
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#include "runtime/sharedRuntime.hpp"
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#include "services/memTracker.hpp"
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#include "utilities/macros.hpp"
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// Initialization done by VM thread in vm_init_globals()
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void check_ThreadShadow();
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void eventlog_init();
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void mutex_init();
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void chunkpool_init();
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void perfMemory_init();
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void SuspendibleThreadSet_init() NOT_ALL_GCS_RETURN;
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// Initialization done by Java thread in init_globals()
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void management_init();
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void bytecodes_init();
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void classLoader_init1();
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void compilationPolicy_init();
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void codeCache_init();
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void VM_Version_init();
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void os_init_globals();        // depends on VM_Version_init, before universe_init
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void stubRoutines_init1();
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jint universe_init();          // depends on codeCache_init and stubRoutines_init
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void interpreter_init();       // before any methods loaded
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void invocationCounter_init(); // before any methods loaded
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void marksweep_init();
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void accessFlags_init();
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void templateTable_init();
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void InterfaceSupport_init();
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void universe2_init();  // dependent on codeCache_init and stubRoutines_init, loads primordial classes
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void referenceProcessor_init();
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void jni_handles_init();
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void vmStructs_init();
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void vtableStubs_init();
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void InlineCacheBuffer_init();
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void compilerOracle_init();
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bool compileBroker_init();
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void dependencyContext_init();
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// Initialization after compiler initialization
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bool universe_post_init();  // must happen after compiler_init
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void javaClasses_init();  // must happen after vtable initialization
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void stubRoutines_init2(); // note: StubRoutines need 2-phase init
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// Do not disable thread-local-storage, as it is important for some
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// JNI/JVM/JVMTI functions and signal handlers to work properly
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// during VM shutdown
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void perfMemory_exit();
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void ostream_exit();
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void vm_init_globals() {
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  check_ThreadShadow();
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  basic_types_init();
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  eventlog_init();
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  mutex_init();
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  chunkpool_init();
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  perfMemory_init();
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  SuspendibleThreadSet_init();
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}
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jint init_globals() {
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  HandleMark hm;
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  management_init();
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  bytecodes_init();
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  classLoader_init1();
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  compilationPolicy_init();
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  codeCache_init();
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  VM_Version_init();
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  os_init_globals();
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  stubRoutines_init1();
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  jint status = universe_init();  // dependent on codeCache_init and
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                                  // stubRoutines_init1 and metaspace_init.
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  if (status != JNI_OK)
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    return status;
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  interpreter_init();  // before any methods loaded
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  invocationCounter_init();  // before any methods loaded
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  marksweep_init();
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  accessFlags_init();
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  templateTable_init();
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  InterfaceSupport_init();
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  SharedRuntime::generate_stubs();
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  universe2_init();  // dependent on codeCache_init and stubRoutines_init1
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  referenceProcessor_init();
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  jni_handles_init();
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#if INCLUDE_VM_STRUCTS
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  vmStructs_init();
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#endif // INCLUDE_VM_STRUCTS
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  vtableStubs_init();
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  InlineCacheBuffer_init();
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  compilerOracle_init();
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  dependencyContext_init();
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  if (!compileBroker_init()) {
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    return JNI_EINVAL;
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  }
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  VMRegImpl::set_regName();
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  if (!universe_post_init()) {
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    return JNI_ERR;
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  }
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  javaClasses_init();   // must happen after vtable initialization
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  stubRoutines_init2(); // note: StubRoutines need 2-phase init
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  MethodHandles::generate_adapters();
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#if INCLUDE_NMT
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  // Solaris stack is walkable only after stubRoutines are set up.
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  // On Other platforms, the stack is always walkable.
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  NMT_stack_walkable = true;
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#endif // INCLUDE_NMT
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  // All the flags that get adjusted by VM_Version_init and os::init_2
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  // have been set so dump the flags now.
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  if (PrintFlagsFinal || PrintFlagsRanges) {
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    CommandLineFlags::printFlags(tty, false, PrintFlagsRanges);
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  }
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  return JNI_OK;
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}
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void exit_globals() {
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  static bool destructorsCalled = false;
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  if (!destructorsCalled) {
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    destructorsCalled = true;
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    perfMemory_exit();
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    if (PrintSafepointStatistics) {
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      // Print the collected safepoint statistics.
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      SafepointSynchronize::print_stat_on_exit();
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    }
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    if (PrintStringTableStatistics) {
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      SymbolTable::dump(tty);
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      StringTable::dump(tty);
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    }
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    ostream_exit();
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  }
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}
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static volatile bool _init_completed = false;
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bool is_init_completed() {
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  return _init_completed;
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}
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void set_init_completed() {
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  assert(Universe::is_fully_initialized(), "Should have completed initialization");
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  _init_completed = true;
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}