src/share/vm/runtime/init.cpp

Thu, 05 Jun 2008 15:57:56 -0700

author
ysr
date
Thu, 05 Jun 2008 15:57:56 -0700
changeset 777
37f87013dfd8
parent 548
ba764ed4b6f2
child 631
d1605aabd0a1
permissions
-rw-r--r--

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

     1 /*
     2  * Copyright 1997-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    20  * CA 95054 USA or visit www.sun.com if you need additional information or
    21  * have any questions.
    22  *
    23  */
    25 # include "incls/_precompiled.incl"
    26 # include "incls/_init.cpp.incl"
    28 // Initialization done by VM thread in vm_init_globals()
    29 void check_ThreadShadow();
    30 void eventlog_init();
    31 void mutex_init();
    32 void chunkpool_init();
    33 void perfMemory_init();
    35 // Initialization done by Java thread in init_globals()
    36 void management_init();
    37 void vtune_init();
    38 void bytecodes_init();
    39 void classLoader_init();
    40 void codeCache_init();
    41 void VM_Version_init();
    42 void JDK_Version_init();
    43 void stubRoutines_init1();
    44 jint universe_init();  // dependent on codeCache_init and stubRoutines_init
    45 void interpreter_init();  // before any methods loaded
    46 void invocationCounter_init();  // before any methods loaded
    47 void marksweep_init();
    48 void accessFlags_init();
    49 void templateTable_init();
    50 void InterfaceSupport_init();
    51 void universe2_init();  // dependent on codeCache_init and stubRoutines_init
    52 void referenceProcessor_init();
    53 void jni_handles_init();
    54 void vmStructs_init();
    56 void vtableStubs_init();
    57 void InlineCacheBuffer_init();
    58 void compilerOracle_init();
    59 void compilationPolicy_init();
    62 // Initialization after compiler initialization
    63 bool universe_post_init();  // must happen after compiler_init
    64 void javaClasses_init();  // must happen after vtable initialization
    65 void stubRoutines_init2(); // note: StubRoutines need 2-phase init
    67 // Do not disable thread-local-storage, as it is important for some
    68 // JNI/JVM/JVMTI functions and signal handlers to work properly
    69 // during VM shutdown
    70 void perfMemory_exit();
    71 void ostream_exit();
    73 void vm_init_globals() {
    74   check_ThreadShadow();
    75   basic_types_init();
    76   eventlog_init();
    77   mutex_init();
    78   chunkpool_init();
    79   perfMemory_init();
    80 }
    83 jint init_globals() {
    84   HandleMark hm;
    85   management_init();
    86   vtune_init();
    87   bytecodes_init();
    88   classLoader_init();
    89   codeCache_init();
    90   VM_Version_init();
    91   JDK_Version_init();
    92   stubRoutines_init1();
    93   jint status = universe_init();  // dependent on codeCache_init and stubRoutines_init
    94   if (status != JNI_OK)
    95     return status;
    97   interpreter_init();  // before any methods loaded
    98   invocationCounter_init();  // before any methods loaded
    99   marksweep_init();
   100   accessFlags_init();
   101   templateTable_init();
   102   InterfaceSupport_init();
   103   SharedRuntime::generate_stubs();
   104   universe2_init();  // dependent on codeCache_init and stubRoutines_init
   105   referenceProcessor_init();
   106   jni_handles_init();
   107 #ifndef VM_STRUCTS_KERNEL
   108   vmStructs_init();
   109 #endif // VM_STRUCTS_KERNEL
   111   vtableStubs_init();
   112   InlineCacheBuffer_init();
   113   compilerOracle_init();
   114   compilationPolicy_init();
   115   VMRegImpl::set_regName();
   117   if (!universe_post_init()) {
   118     return JNI_ERR;
   119   }
   120   javaClasses_init();  // must happen after vtable initialization
   121   stubRoutines_init2(); // note: StubRoutines need 2-phase init
   123   // Although we'd like to, we can't easily do a heap verify
   124   // here because the main thread isn't yet a JavaThread, so
   125   // its TLAB may not be made parseable from the usual interfaces.
   126   if (VerifyBeforeGC && !UseTLAB &&
   127       Universe::heap()->total_collections() >= VerifyGCStartAt) {
   128     Universe::heap()->prepare_for_verify();
   129     Universe::verify();   // make sure we're starting with a clean slate
   130   }
   132   return JNI_OK;
   133 }
   136 void exit_globals() {
   137   static bool destructorsCalled = false;
   138   if (!destructorsCalled) {
   139     destructorsCalled = true;
   140     perfMemory_exit();
   141     if (PrintSafepointStatistics) {
   142       // Print the collected safepoint statistics.
   143       SafepointSynchronize::print_stat_on_exit();
   144     }
   145     ostream_exit();
   146   }
   147 }
   150 static bool _init_completed = false;
   152 bool is_init_completed() {
   153   return _init_completed;
   154 }
   157 void set_init_completed() {
   158   _init_completed = true;
   159 }

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