src/share/vm/runtime/init.cpp

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 5528
740e263c80c6
parent 0
f90c822e73f8
child 7535
7ae4e26cb1e0
permissions
-rw-r--r--

merge

     1 /*
     2  * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #include "precompiled.hpp"
    26 #include "classfile/symbolTable.hpp"
    27 #include "code/icBuffer.hpp"
    28 #include "gc_interface/collectedHeap.hpp"
    29 #include "interpreter/bytecodes.hpp"
    30 #include "memory/universe.hpp"
    31 #include "prims/methodHandles.hpp"
    32 #include "runtime/handles.inline.hpp"
    33 #include "runtime/icache.hpp"
    34 #include "runtime/init.hpp"
    35 #include "runtime/safepoint.hpp"
    36 #include "runtime/sharedRuntime.hpp"
    37 #include "utilities/macros.hpp"
    39 // Initialization done by VM thread in vm_init_globals()
    40 void check_ThreadShadow();
    41 void eventlog_init();
    42 void mutex_init();
    43 void chunkpool_init();
    44 void perfMemory_init();
    46 // Initialization done by Java thread in init_globals()
    47 void management_init();
    48 void bytecodes_init();
    49 void classLoader_init();
    50 void codeCache_init();
    51 void VM_Version_init();
    52 void os_init_globals();        // depends on VM_Version_init, before universe_init
    53 void stubRoutines_init1();
    54 jint universe_init();          // depends on codeCache_init and stubRoutines_init
    55 void interpreter_init();       // before any methods loaded
    56 void invocationCounter_init(); // before any methods loaded
    57 void marksweep_init();
    58 void accessFlags_init();
    59 void templateTable_init();
    60 void InterfaceSupport_init();
    61 void universe2_init();  // dependent on codeCache_init and stubRoutines_init, loads primordial classes
    62 void referenceProcessor_init();
    63 void jni_handles_init();
    64 void vmStructs_init();
    66 void vtableStubs_init();
    67 void InlineCacheBuffer_init();
    68 void compilerOracle_init();
    69 void compilationPolicy_init();
    70 void compileBroker_init();
    72 // Initialization after compiler initialization
    73 bool universe_post_init();  // must happen after compiler_init
    74 void javaClasses_init();  // must happen after vtable initialization
    75 void stubRoutines_init2(); // note: StubRoutines need 2-phase init
    77 // Do not disable thread-local-storage, as it is important for some
    78 // JNI/JVM/JVMTI functions and signal handlers to work properly
    79 // during VM shutdown
    80 void perfMemory_exit();
    81 void ostream_exit();
    83 void vm_init_globals() {
    84   check_ThreadShadow();
    85   basic_types_init();
    86   eventlog_init();
    87   mutex_init();
    88   chunkpool_init();
    89   perfMemory_init();
    90 }
    93 jint init_globals() {
    94   HandleMark hm;
    95   management_init();
    96   bytecodes_init();
    97   classLoader_init();
    98   codeCache_init();
    99   VM_Version_init();
   100   os_init_globals();
   101   stubRoutines_init1();
   102   jint status = universe_init();  // dependent on codeCache_init and
   103                                   // stubRoutines_init1 and metaspace_init.
   104   if (status != JNI_OK)
   105     return status;
   107   interpreter_init();  // before any methods loaded
   108   invocationCounter_init();  // before any methods loaded
   109   marksweep_init();
   110   accessFlags_init();
   111   templateTable_init();
   112   InterfaceSupport_init();
   113   SharedRuntime::generate_stubs();
   114   universe2_init();  // dependent on codeCache_init and stubRoutines_init1
   115   referenceProcessor_init();
   116   jni_handles_init();
   117 #if INCLUDE_VM_STRUCTS
   118   vmStructs_init();
   119 #endif // INCLUDE_VM_STRUCTS
   121   vtableStubs_init();
   122   InlineCacheBuffer_init();
   123   compilerOracle_init();
   124   compilationPolicy_init();
   125   compileBroker_init();
   126   VMRegImpl::set_regName();
   128   if (!universe_post_init()) {
   129     return JNI_ERR;
   130   }
   131   javaClasses_init();   // must happen after vtable initialization
   132   stubRoutines_init2(); // note: StubRoutines need 2-phase init
   134   // All the flags that get adjusted by VM_Version_init and os::init_2
   135   // have been set so dump the flags now.
   136   if (PrintFlagsFinal) {
   137     CommandLineFlags::printFlags(tty, false);
   138   }
   140   return JNI_OK;
   141 }
   144 void exit_globals() {
   145   static bool destructorsCalled = false;
   146   if (!destructorsCalled) {
   147     destructorsCalled = true;
   148     perfMemory_exit();
   149     if (PrintSafepointStatistics) {
   150       // Print the collected safepoint statistics.
   151       SafepointSynchronize::print_stat_on_exit();
   152     }
   153     if (PrintStringTableStatistics) {
   154       SymbolTable::dump(tty);
   155       StringTable::dump(tty);
   156     }
   157     ostream_exit();
   158   }
   159 }
   162 static bool _init_completed = false;
   164 bool is_init_completed() {
   165   return _init_completed;
   166 }
   169 void set_init_completed() {
   170   assert(Universe::is_fully_initialized(), "Should have completed initialization");
   171   _init_completed = true;
   172 }

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