hotspot/src/share/vm/runtime/init.cpp
author fparain
Wed, 17 Mar 2010 11:01:05 +0100
changeset 5089 0cce506a0158
parent 950 6112b627bb36
child 5050 47ecd86932ce
permissions -rw-r--r--
6935224: Adding new DTrace probes to work with Palantir Summary: Adding probes related to thread scheduling and class initialization Reviewed-by: kamg, never
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     1
/*
670
ddf3e9583f2f 6719955: Update copyright year
xdono
parents: 360
diff changeset
     2
 * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     4
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load
duke
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load
duke
parents:
diff changeset
     7
 * published by the Free Software Foundation.
489c9b5090e2 Initial load
duke
parents:
diff changeset
     8
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
     9
 * This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load
duke
parents:
diff changeset
    10
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    11
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
489c9b5090e2 Initial load
duke
parents:
diff changeset
    12
 * version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load
duke
parents:
diff changeset
    13
 * accompanied this code).
489c9b5090e2 Initial load
duke
parents:
diff changeset
    14
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    15
 * You should have received a copy of the GNU General Public License version
489c9b5090e2 Initial load
duke
parents:
diff changeset
    16
 * 2 along with this work; if not, write to the Free Software Foundation,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    17
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    18
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    19
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
489c9b5090e2 Initial load
duke
parents:
diff changeset
    20
 * CA 95054 USA or visit www.sun.com if you need additional information or
489c9b5090e2 Initial load
duke
parents:
diff changeset
    21
 * have any questions.
489c9b5090e2 Initial load
duke
parents:
diff changeset
    22
 *
489c9b5090e2 Initial load
duke
parents:
diff changeset
    23
 */
489c9b5090e2 Initial load
duke
parents:
diff changeset
    24
489c9b5090e2 Initial load
duke
parents:
diff changeset
    25
# include "incls/_precompiled.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    26
# include "incls/_init.cpp.incl"
489c9b5090e2 Initial load
duke
parents:
diff changeset
    27
489c9b5090e2 Initial load
duke
parents:
diff changeset
    28
// Initialization done by VM thread in vm_init_globals()
489c9b5090e2 Initial load
duke
parents:
diff changeset
    29
void check_ThreadShadow();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    30
void eventlog_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    31
void mutex_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    32
void chunkpool_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    33
void perfMemory_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    34
489c9b5090e2 Initial load
duke
parents:
diff changeset
    35
// Initialization done by Java thread in init_globals()
489c9b5090e2 Initial load
duke
parents:
diff changeset
    36
void management_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    37
void vtune_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    38
void bytecodes_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    39
void classLoader_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    40
void codeCache_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    41
void VM_Version_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    42
void stubRoutines_init1();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    43
jint universe_init();  // dependent on codeCache_init and stubRoutines_init
489c9b5090e2 Initial load
duke
parents:
diff changeset
    44
void interpreter_init();  // before any methods loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
    45
void invocationCounter_init();  // before any methods loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
    46
void marksweep_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    47
void accessFlags_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    48
void templateTable_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    49
void InterfaceSupport_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    50
void universe2_init();  // dependent on codeCache_init and stubRoutines_init
489c9b5090e2 Initial load
duke
parents:
diff changeset
    51
void referenceProcessor_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    52
void jni_handles_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    53
void vmStructs_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    54
489c9b5090e2 Initial load
duke
parents:
diff changeset
    55
void vtableStubs_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    56
void InlineCacheBuffer_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    57
void compilerOracle_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    58
void compilationPolicy_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    59
489c9b5090e2 Initial load
duke
parents:
diff changeset
    60
489c9b5090e2 Initial load
duke
parents:
diff changeset
    61
// Initialization after compiler initialization
489c9b5090e2 Initial load
duke
parents:
diff changeset
    62
bool universe_post_init();  // must happen after compiler_init
489c9b5090e2 Initial load
duke
parents:
diff changeset
    63
void javaClasses_init();  // must happen after vtable initialization
489c9b5090e2 Initial load
duke
parents:
diff changeset
    64
void stubRoutines_init2(); // note: StubRoutines need 2-phase init
489c9b5090e2 Initial load
duke
parents:
diff changeset
    65
489c9b5090e2 Initial load
duke
parents:
diff changeset
    66
// Do not disable thread-local-storage, as it is important for some
489c9b5090e2 Initial load
duke
parents:
diff changeset
    67
// JNI/JVM/JVMTI functions and signal handlers to work properly
489c9b5090e2 Initial load
duke
parents:
diff changeset
    68
// during VM shutdown
489c9b5090e2 Initial load
duke
parents:
diff changeset
    69
void perfMemory_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    70
void ostream_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    71
489c9b5090e2 Initial load
duke
parents:
diff changeset
    72
void vm_init_globals() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    73
  check_ThreadShadow();
360
21d113ecbf6a 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents: 1
diff changeset
    74
  basic_types_init();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
    75
  eventlog_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    76
  mutex_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    77
  chunkpool_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    78
  perfMemory_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    79
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
    80
489c9b5090e2 Initial load
duke
parents:
diff changeset
    81
489c9b5090e2 Initial load
duke
parents:
diff changeset
    82
jint init_globals() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
    83
  HandleMark hm;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    84
  management_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    85
  vtune_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    86
  bytecodes_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    87
  classLoader_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    88
  codeCache_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    89
  VM_Version_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    90
  stubRoutines_init1();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    91
  jint status = universe_init();  // dependent on codeCache_init and stubRoutines_init
489c9b5090e2 Initial load
duke
parents:
diff changeset
    92
  if (status != JNI_OK)
489c9b5090e2 Initial load
duke
parents:
diff changeset
    93
    return status;
489c9b5090e2 Initial load
duke
parents:
diff changeset
    94
489c9b5090e2 Initial load
duke
parents:
diff changeset
    95
  interpreter_init();  // before any methods loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
    96
  invocationCounter_init();  // before any methods loaded
489c9b5090e2 Initial load
duke
parents:
diff changeset
    97
  marksweep_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    98
  accessFlags_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
    99
  templateTable_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   100
  InterfaceSupport_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   101
  SharedRuntime::generate_stubs();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   102
  universe2_init();  // dependent on codeCache_init and stubRoutines_init
489c9b5090e2 Initial load
duke
parents:
diff changeset
   103
  referenceProcessor_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   104
  jni_handles_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   105
#ifndef VM_STRUCTS_KERNEL
489c9b5090e2 Initial load
duke
parents:
diff changeset
   106
  vmStructs_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   107
#endif // VM_STRUCTS_KERNEL
489c9b5090e2 Initial load
duke
parents:
diff changeset
   108
489c9b5090e2 Initial load
duke
parents:
diff changeset
   109
  vtableStubs_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   110
  InlineCacheBuffer_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   111
  compilerOracle_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   112
  compilationPolicy_init();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   113
  VMRegImpl::set_regName();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   114
489c9b5090e2 Initial load
duke
parents:
diff changeset
   115
  if (!universe_post_init()) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   116
    return JNI_ERR;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   117
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   118
  javaClasses_init();  // must happen after vtable initialization
489c9b5090e2 Initial load
duke
parents:
diff changeset
   119
  stubRoutines_init2(); // note: StubRoutines need 2-phase init
489c9b5090e2 Initial load
duke
parents:
diff changeset
   120
489c9b5090e2 Initial load
duke
parents:
diff changeset
   121
  // Although we'd like to, we can't easily do a heap verify
489c9b5090e2 Initial load
duke
parents:
diff changeset
   122
  // here because the main thread isn't yet a JavaThread, so
489c9b5090e2 Initial load
duke
parents:
diff changeset
   123
  // its TLAB may not be made parseable from the usual interfaces.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   124
  if (VerifyBeforeGC && !UseTLAB &&
489c9b5090e2 Initial load
duke
parents:
diff changeset
   125
      Universe::heap()->total_collections() >= VerifyGCStartAt) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   126
    Universe::heap()->prepare_for_verify();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   127
    Universe::verify();   // make sure we're starting with a clean slate
489c9b5090e2 Initial load
duke
parents:
diff changeset
   128
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   129
489c9b5090e2 Initial load
duke
parents:
diff changeset
   130
  return JNI_OK;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   131
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   132
489c9b5090e2 Initial load
duke
parents:
diff changeset
   133
489c9b5090e2 Initial load
duke
parents:
diff changeset
   134
void exit_globals() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   135
  static bool destructorsCalled = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   136
  if (!destructorsCalled) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   137
    destructorsCalled = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   138
    perfMemory_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   139
    if (PrintSafepointStatistics) {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   140
      // Print the collected safepoint statistics.
489c9b5090e2 Initial load
duke
parents:
diff changeset
   141
      SafepointSynchronize::print_stat_on_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   142
    }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   143
    ostream_exit();
489c9b5090e2 Initial load
duke
parents:
diff changeset
   144
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   145
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   146
489c9b5090e2 Initial load
duke
parents:
diff changeset
   147
489c9b5090e2 Initial load
duke
parents:
diff changeset
   148
static bool _init_completed = false;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   149
489c9b5090e2 Initial load
duke
parents:
diff changeset
   150
bool is_init_completed() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   151
  return _init_completed;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   152
}
489c9b5090e2 Initial load
duke
parents:
diff changeset
   153
489c9b5090e2 Initial load
duke
parents:
diff changeset
   154
489c9b5090e2 Initial load
duke
parents:
diff changeset
   155
void set_init_completed() {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   156
  _init_completed = true;
489c9b5090e2 Initial load
duke
parents:
diff changeset
   157
}