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src/share/vm/runtime/init.cpp@37f87013dfd8 (annotated)

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

duke@435	1	/*
duke@435	2	* Copyright 1997-2007 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any 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 vtune_init();
duke@435	38	void bytecodes_init();
duke@435	39	void classLoader_init();
duke@435	40	void codeCache_init();
duke@435	41	void VM_Version_init();
duke@435	42	void JDK_Version_init();
duke@435	43	void stubRoutines_init1();
duke@435	44	jint universe_init(); // dependent on codeCache_init and stubRoutines_init
duke@435	45	void interpreter_init(); // before any methods loaded
duke@435	46	void invocationCounter_init(); // before any methods loaded
duke@435	47	void marksweep_init();
duke@435	48	void accessFlags_init();
duke@435	49	void templateTable_init();
duke@435	50	void InterfaceSupport_init();
duke@435	51	void universe2_init(); // dependent on codeCache_init and stubRoutines_init
duke@435	52	void referenceProcessor_init();
duke@435	53	void jni_handles_init();
duke@435	54	void vmStructs_init();
duke@435	55
duke@435	56	void vtableStubs_init();
duke@435	57	void InlineCacheBuffer_init();
duke@435	58	void compilerOracle_init();
duke@435	59	void compilationPolicy_init();
duke@435	60
duke@435	61
duke@435	62	// Initialization after compiler initialization
duke@435	63	bool universe_post_init(); // must happen after compiler_init
duke@435	64	void javaClasses_init(); // must happen after vtable initialization
duke@435	65	void stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435	66
duke@435	67	// Do not disable thread-local-storage, as it is important for some
duke@435	68	// JNI/JVM/JVMTI functions and signal handlers to work properly
duke@435	69	// during VM shutdown
duke@435	70	void perfMemory_exit();
duke@435	71	void ostream_exit();
duke@435	72
duke@435	73	void vm_init_globals() {
duke@435	74	check_ThreadShadow();
coleenp@548	75	basic_types_init();
duke@435	76	eventlog_init();
duke@435	77	mutex_init();
duke@435	78	chunkpool_init();
duke@435	79	perfMemory_init();
duke@435	80	}
duke@435	81
duke@435	82
duke@435	83	jint init_globals() {
duke@435	84	HandleMark hm;
duke@435	85	management_init();
duke@435	86	vtune_init();
duke@435	87	bytecodes_init();
duke@435	88	classLoader_init();
duke@435	89	codeCache_init();
duke@435	90	VM_Version_init();
duke@435	91	JDK_Version_init();
duke@435	92	stubRoutines_init1();
duke@435	93	jint status = universe_init(); // dependent on codeCache_init and stubRoutines_init
duke@435	94	if (status != JNI_OK)
duke@435	95	return status;
duke@435	96
duke@435	97	interpreter_init(); // before any methods loaded
duke@435	98	invocationCounter_init(); // before any methods loaded
duke@435	99	marksweep_init();
duke@435	100	accessFlags_init();
duke@435	101	templateTable_init();
duke@435	102	InterfaceSupport_init();
duke@435	103	SharedRuntime::generate_stubs();
duke@435	104	universe2_init(); // dependent on codeCache_init and stubRoutines_init
duke@435	105	referenceProcessor_init();
duke@435	106	jni_handles_init();
duke@435	107	#ifndef VM_STRUCTS_KERNEL
duke@435	108	vmStructs_init();
duke@435	109	#endif // VM_STRUCTS_KERNEL
duke@435	110
duke@435	111	vtableStubs_init();
duke@435	112	InlineCacheBuffer_init();
duke@435	113	compilerOracle_init();
duke@435	114	compilationPolicy_init();
duke@435	115	VMRegImpl::set_regName();
duke@435	116
duke@435	117	if (!universe_post_init()) {
duke@435	118	return JNI_ERR;
duke@435	119	}
duke@435	120	javaClasses_init(); // must happen after vtable initialization
duke@435	121	stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435	122
duke@435	123	// Although we'd like to, we can't easily do a heap verify
duke@435	124	// here because the main thread isn't yet a JavaThread, so
duke@435	125	// its TLAB may not be made parseable from the usual interfaces.
duke@435	126	if (VerifyBeforeGC && !UseTLAB &&
duke@435	127	Universe::heap()->total_collections() >= VerifyGCStartAt) {
duke@435	128	Universe::heap()->prepare_for_verify();
duke@435	129	Universe::verify(); // make sure we're starting with a clean slate
duke@435	130	}
duke@435	131
duke@435	132	return JNI_OK;
duke@435	133	}
duke@435	134
duke@435	135
duke@435	136	void exit_globals() {
duke@435	137	static bool destructorsCalled = false;
duke@435	138	if (!destructorsCalled) {
duke@435	139	destructorsCalled = true;
duke@435	140	perfMemory_exit();
duke@435	141	if (PrintSafepointStatistics) {
duke@435	142	// Print the collected safepoint statistics.
duke@435	143	SafepointSynchronize::print_stat_on_exit();
duke@435	144	}
duke@435	145	ostream_exit();
duke@435	146	}
duke@435	147	}
duke@435	148
duke@435	149
duke@435	150	static bool _init_completed = false;
duke@435	151
duke@435	152	bool is_init_completed() {
duke@435	153	return _init_completed;
duke@435	154	}
duke@435	155
duke@435	156
duke@435	157	void set_init_completed() {
duke@435	158	_init_completed = true;
duke@435	159	}