view src/share/vm/runtime/init.cpp @ 6972:bd7a7ce2e264

6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 12 Nov 2012 14:03:53 -0800
parents fb19af007ffc
children 7d815d842ee0 db9981fd3124
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/*
 * 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();
  Metaspace::global_initialize(); // must be before codeCache
  codeCache_init();
  VM_Version_init();
  os_init_globals();
  stubRoutines_init1();
  jint status = universe_init();  // dependent on codeCache_init and
                                  // stubRoutines_init1 and metaspace_init.
  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();
#if INCLUDE_VM_STRUCTS
  vmStructs_init();
#endif // INCLUDE_VM_STRUCTS

  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;
}