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src/share/vm/runtime/init.cpp@d2ede61b7a12 (annotated)

src/share/vm/runtime/init.cpp

Wed, 11 Aug 2010 05:51:21 -0700

author
twisti
date
Wed, 11 Aug 2010 05:51:21 -0700
changeset 2047
d2ede61b7a12
parent 1999
2a47bd84841f
child 2085
f55c4f82ab9d
permissions
-rw-r--r--

6976186: integrate Shark HotSpot changes
Summary: Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure.
Reviewed-by: kvn, twisti
Contributed-by: Gary Benson <gbenson@redhat.com>

duke@435 1 /*
trims@1907 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 # include "incls/_precompiled.incl"
duke@435 26 # include "incls/_init.cpp.incl"
duke@435 27
duke@435 28 // Initialization done by VM thread in vm_init_globals()
duke@435 29 void check_ThreadShadow();
duke@435 30 void eventlog_init();
duke@435 31 void mutex_init();
duke@435 32 void chunkpool_init();
duke@435 33 void perfMemory_init();
duke@435 34
duke@435 35 // Initialization done by Java thread in init_globals()
duke@435 36 void management_init();
duke@435 37 void bytecodes_init();
duke@435 38 void classLoader_init();
duke@435 39 void codeCache_init();
duke@435 40 void VM_Version_init();
duke@435 41 void stubRoutines_init1();
duke@435 42 jint universe_init(); // dependent on codeCache_init and stubRoutines_init
duke@435 43 void interpreter_init(); // before any methods loaded
duke@435 44 void invocationCounter_init(); // before any methods loaded
duke@435 45 void marksweep_init();
duke@435 46 void accessFlags_init();
duke@435 47 void templateTable_init();
duke@435 48 void InterfaceSupport_init();
duke@435 49 void universe2_init(); // dependent on codeCache_init and stubRoutines_init
duke@435 50 void referenceProcessor_init();
duke@435 51 void jni_handles_init();
duke@435 52 void vmStructs_init();
duke@435 53
duke@435 54 void vtableStubs_init();
duke@435 55 void InlineCacheBuffer_init();
duke@435 56 void compilerOracle_init();
duke@435 57 void compilationPolicy_init();
duke@435 58
duke@435 59
duke@435 60 // Initialization after compiler initialization
duke@435 61 bool universe_post_init(); // must happen after compiler_init
duke@435 62 void javaClasses_init(); // must happen after vtable initialization
duke@435 63 void stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435 64
duke@435 65 // Do not disable thread-local-storage, as it is important for some
duke@435 66 // JNI/JVM/JVMTI functions and signal handlers to work properly
duke@435 67 // during VM shutdown
duke@435 68 void perfMemory_exit();
duke@435 69 void ostream_exit();
duke@435 70
duke@435 71 void vm_init_globals() {
duke@435 72 check_ThreadShadow();
coleenp@548 73 basic_types_init();
duke@435 74 eventlog_init();
duke@435 75 mutex_init();
duke@435 76 chunkpool_init();
duke@435 77 perfMemory_init();
duke@435 78 }
duke@435 79
duke@435 80
duke@435 81 jint init_globals() {
duke@435 82 HandleMark hm;
duke@435 83 management_init();
duke@435 84 bytecodes_init();
duke@435 85 classLoader_init();
duke@435 86 codeCache_init();
duke@435 87 VM_Version_init();
duke@435 88 stubRoutines_init1();
duke@435 89 jint status = universe_init(); // dependent on codeCache_init and stubRoutines_init
duke@435 90 if (status != JNI_OK)
duke@435 91 return status;
duke@435 92
duke@435 93 interpreter_init(); // before any methods loaded
duke@435 94 invocationCounter_init(); // before any methods loaded
duke@435 95 marksweep_init();
duke@435 96 accessFlags_init();
duke@435 97 templateTable_init();
duke@435 98 InterfaceSupport_init();
duke@435 99 SharedRuntime::generate_stubs();
duke@435 100 universe2_init(); // dependent on codeCache_init and stubRoutines_init
duke@435 101 referenceProcessor_init();
duke@435 102 jni_handles_init();
duke@435 103 #ifndef VM_STRUCTS_KERNEL
duke@435 104 vmStructs_init();
duke@435 105 #endif // VM_STRUCTS_KERNEL
duke@435 106
duke@435 107 vtableStubs_init();
duke@435 108 InlineCacheBuffer_init();
duke@435 109 compilerOracle_init();
duke@435 110 compilationPolicy_init();
duke@435 111 VMRegImpl::set_regName();
duke@435 112
duke@435 113 if (!universe_post_init()) {
duke@435 114 return JNI_ERR;
duke@435 115 }
duke@435 116 javaClasses_init(); // must happen after vtable initialization
duke@435 117 stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435 118
twisti@1734 119 // Generate MethodHandles adapters.
twisti@1734 120 MethodHandles::generate_adapters();
twisti@1734 121
duke@435 122 // Although we'd like to, we can't easily do a heap verify
duke@435 123 // here because the main thread isn't yet a JavaThread, so
duke@435 124 // its TLAB may not be made parseable from the usual interfaces.
duke@435 125 if (VerifyBeforeGC && !UseTLAB &&
duke@435 126 Universe::heap()->total_collections() >= VerifyGCStartAt) {
duke@435 127 Universe::heap()->prepare_for_verify();
duke@435 128 Universe::verify(); // make sure we're starting with a clean slate
duke@435 129 }
duke@435 130
duke@435 131 return JNI_OK;
duke@435 132 }
duke@435 133
duke@435 134
duke@435 135 void exit_globals() {
duke@435 136 static bool destructorsCalled = false;
duke@435 137 if (!destructorsCalled) {
duke@435 138 destructorsCalled = true;
duke@435 139 perfMemory_exit();
duke@435 140 if (PrintSafepointStatistics) {
duke@435 141 // Print the collected safepoint statistics.
duke@435 142 SafepointSynchronize::print_stat_on_exit();
duke@435 143 }
duke@435 144 ostream_exit();
duke@435 145 }
duke@435 146 }
duke@435 147
duke@435 148
duke@435 149 static bool _init_completed = false;
duke@435 150
duke@435 151 bool is_init_completed() {
duke@435 152 return _init_completed;
duke@435 153 }
duke@435 154
duke@435 155
duke@435 156 void set_init_completed() {
duke@435 157 _init_completed = true;
duke@435 158 }

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