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src/share/vm/runtime/init.cpp@960a442eae91 (annotated)

src/share/vm/runtime/init.cpp

Tue, 22 May 2012 10:11:53 +0200

author

rbackman

date

Tue, 22 May 2012 10:11:53 +0200

changeset 3796

960a442eae91

parent 3499

aa3d708d67c4

child 3865

e9140bf80b4a

permissions

-rw-r--r--

7161732: Improve handling of thread_id in OSThread
Reviewed-by: dholmes, kamg

duke@435	1	/*
never@3499	2	* Copyright (c) 1997, 2012, 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
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "code/icBuffer.hpp"
stefank@2314	27	#include "gc_interface/collectedHeap.hpp"
stefank@2314	28	#include "interpreter/bytecodes.hpp"
stefank@2314	29	#include "memory/universe.hpp"
stefank@2314	30	#include "prims/methodHandles.hpp"
stefank@2314	31	#include "runtime/handles.inline.hpp"
stefank@2314	32	#include "runtime/icache.hpp"
stefank@2314	33	#include "runtime/init.hpp"
stefank@2314	34	#include "runtime/safepoint.hpp"
stefank@2314	35	#include "runtime/sharedRuntime.hpp"
duke@435	36
duke@435	37	// Initialization done by VM thread in vm_init_globals()
duke@435	38	void check_ThreadShadow();
duke@435	39	void eventlog_init();
duke@435	40	void mutex_init();
duke@435	41	void chunkpool_init();
duke@435	42	void perfMemory_init();
duke@435	43
duke@435	44	// Initialization done by Java thread in init_globals()
duke@435	45	void management_init();
duke@435	46	void bytecodes_init();
duke@435	47	void classLoader_init();
duke@435	48	void codeCache_init();
duke@435	49	void VM_Version_init();
phh@3378	50	void os_init_globals(); // depends on VM_Version_init, before universe_init
duke@435	51	void stubRoutines_init1();
phh@3378	52	jint universe_init(); // depends on codeCache_init and stubRoutines_init
phh@3378	53	void interpreter_init(); // before any methods loaded
phh@3378	54	void invocationCounter_init(); // before any methods loaded
duke@435	55	void marksweep_init();
duke@435	56	void accessFlags_init();
duke@435	57	void templateTable_init();
duke@435	58	void InterfaceSupport_init();
phh@3378	59	void universe2_init(); // dependent on codeCache_init and stubRoutines_init, loads primordial classes
duke@435	60	void referenceProcessor_init();
duke@435	61	void jni_handles_init();
duke@435	62	void vmStructs_init();
duke@435	63
duke@435	64	void vtableStubs_init();
duke@435	65	void InlineCacheBuffer_init();
duke@435	66	void compilerOracle_init();
duke@435	67	void compilationPolicy_init();
never@3499	68	void compileBroker_init();
duke@435	69
duke@435	70	// Initialization after compiler initialization
duke@435	71	bool universe_post_init(); // must happen after compiler_init
duke@435	72	void javaClasses_init(); // must happen after vtable initialization
duke@435	73	void stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435	74
duke@435	75	// Do not disable thread-local-storage, as it is important for some
duke@435	76	// JNI/JVM/JVMTI functions and signal handlers to work properly
duke@435	77	// during VM shutdown
duke@435	78	void perfMemory_exit();
duke@435	79	void ostream_exit();
duke@435	80
duke@435	81	void vm_init_globals() {
duke@435	82	check_ThreadShadow();
coleenp@548	83	basic_types_init();
duke@435	84	eventlog_init();
duke@435	85	mutex_init();
duke@435	86	chunkpool_init();
duke@435	87	perfMemory_init();
duke@435	88	}
duke@435	89
duke@435	90
duke@435	91	jint init_globals() {
duke@435	92	HandleMark hm;
duke@435	93	management_init();
duke@435	94	bytecodes_init();
duke@435	95	classLoader_init();
duke@435	96	codeCache_init();
duke@435	97	VM_Version_init();
phh@3378	98	os_init_globals();
duke@435	99	stubRoutines_init1();
phh@3378	100	jint status = universe_init(); // dependent on codeCache_init and
phh@3378	101	// stubRoutines_init1
duke@435	102	if (status != JNI_OK)
duke@435	103	return status;
duke@435	104
duke@435	105	interpreter_init(); // before any methods loaded
duke@435	106	invocationCounter_init(); // before any methods loaded
duke@435	107	marksweep_init();
duke@435	108	accessFlags_init();
duke@435	109	templateTable_init();
duke@435	110	InterfaceSupport_init();
duke@435	111	SharedRuntime::generate_stubs();
phh@3378	112	universe2_init(); // dependent on codeCache_init and stubRoutines_init1
duke@435	113	referenceProcessor_init();
duke@435	114	jni_handles_init();
duke@435	115	#ifndef VM_STRUCTS_KERNEL
duke@435	116	vmStructs_init();
duke@435	117	#endif // VM_STRUCTS_KERNEL
duke@435	118
duke@435	119	vtableStubs_init();
duke@435	120	InlineCacheBuffer_init();
duke@435	121	compilerOracle_init();
duke@435	122	compilationPolicy_init();
never@3499	123	compileBroker_init();
duke@435	124	VMRegImpl::set_regName();
duke@435	125
duke@435	126	if (!universe_post_init()) {
duke@435	127	return JNI_ERR;
duke@435	128	}
phh@3378	129	javaClasses_init(); // must happen after vtable initialization
duke@435	130	stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435	131
duke@435	132	// Although we'd like to, we can't easily do a heap verify
duke@435	133	// here because the main thread isn't yet a JavaThread, so
duke@435	134	// its TLAB may not be made parseable from the usual interfaces.
duke@435	135	if (VerifyBeforeGC && !UseTLAB &&
duke@435	136	Universe::heap()->total_collections() >= VerifyGCStartAt) {
duke@435	137	Universe::heap()->prepare_for_verify();
duke@435	138	Universe::verify(); // make sure we're starting with a clean slate
duke@435	139	}
duke@435	140
never@2085	141	// All the flags that get adjusted by VM_Version_init and os::init_2
never@2085	142	// have been set so dump the flags now.
never@2085	143	if (PrintFlagsFinal) {
fparain@3402	144	CommandLineFlags::printFlags(tty, false);
never@2085	145	}
never@2085	146
duke@435	147	return JNI_OK;
duke@435	148	}
duke@435	149
duke@435	150
duke@435	151	void exit_globals() {
duke@435	152	static bool destructorsCalled = false;
duke@435	153	if (!destructorsCalled) {
duke@435	154	destructorsCalled = true;
duke@435	155	perfMemory_exit();
duke@435	156	if (PrintSafepointStatistics) {
duke@435	157	// Print the collected safepoint statistics.
duke@435	158	SafepointSynchronize::print_stat_on_exit();
duke@435	159	}
duke@435	160	ostream_exit();
duke@435	161	}
duke@435	162	}
duke@435	163
duke@435	164
duke@435	165	static bool _init_completed = false;
duke@435	166
duke@435	167	bool is_init_completed() {
duke@435	168	return _init_completed;
duke@435	169	}
duke@435	170
duke@435	171
duke@435	172	void set_init_completed() {
ysr@2301	173	assert(Universe::is_fully_initialized(), "Should have completed initialization");
duke@435	174	_init_completed = true;
duke@435	175	}