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src/share/vm/runtime/init.cpp@1d7922586cf6 (annotated)

src/share/vm/runtime/init.cpp

Tue, 24 Jul 2012 10:51:00 -0700

author

twisti

date

Tue, 24 Jul 2012 10:51:00 -0700

changeset 3969

1d7922586cf6

parent 3865

e9140bf80b4a

child 4037

da91efe96a93

permissions

-rw-r--r--

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

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"
coleenp@3865	26	#include "classfile/symbolTable.hpp"
stefank@2314	27	#include "code/icBuffer.hpp"
stefank@2314	28	#include "gc_interface/collectedHeap.hpp"
stefank@2314	29	#include "interpreter/bytecodes.hpp"
stefank@2314	30	#include "memory/universe.hpp"
stefank@2314	31	#include "prims/methodHandles.hpp"
stefank@2314	32	#include "runtime/handles.inline.hpp"
stefank@2314	33	#include "runtime/icache.hpp"
stefank@2314	34	#include "runtime/init.hpp"
stefank@2314	35	#include "runtime/safepoint.hpp"
stefank@2314	36	#include "runtime/sharedRuntime.hpp"
duke@435	37
duke@435	38	// Initialization done by VM thread in vm_init_globals()
duke@435	39	void check_ThreadShadow();
duke@435	40	void eventlog_init();
duke@435	41	void mutex_init();
duke@435	42	void chunkpool_init();
duke@435	43	void perfMemory_init();
duke@435	44
duke@435	45	// Initialization done by Java thread in init_globals()
duke@435	46	void management_init();
duke@435	47	void bytecodes_init();
duke@435	48	void classLoader_init();
duke@435	49	void codeCache_init();
duke@435	50	void VM_Version_init();
phh@3378	51	void os_init_globals(); // depends on VM_Version_init, before universe_init
duke@435	52	void stubRoutines_init1();
phh@3378	53	jint universe_init(); // depends on codeCache_init and stubRoutines_init
phh@3378	54	void interpreter_init(); // before any methods loaded
phh@3378	55	void invocationCounter_init(); // before any methods loaded
duke@435	56	void marksweep_init();
duke@435	57	void accessFlags_init();
duke@435	58	void templateTable_init();
duke@435	59	void InterfaceSupport_init();
phh@3378	60	void universe2_init(); // dependent on codeCache_init and stubRoutines_init, loads primordial classes
duke@435	61	void referenceProcessor_init();
duke@435	62	void jni_handles_init();
duke@435	63	void vmStructs_init();
duke@435	64
duke@435	65	void vtableStubs_init();
duke@435	66	void InlineCacheBuffer_init();
duke@435	67	void compilerOracle_init();
duke@435	68	void compilationPolicy_init();
never@3499	69	void compileBroker_init();
duke@435	70
duke@435	71	// Initialization after compiler initialization
duke@435	72	bool universe_post_init(); // must happen after compiler_init
duke@435	73	void javaClasses_init(); // must happen after vtable initialization
duke@435	74	void stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435	75
duke@435	76	// Do not disable thread-local-storage, as it is important for some
duke@435	77	// JNI/JVM/JVMTI functions and signal handlers to work properly
duke@435	78	// during VM shutdown
duke@435	79	void perfMemory_exit();
duke@435	80	void ostream_exit();
duke@435	81
duke@435	82	void vm_init_globals() {
duke@435	83	check_ThreadShadow();
coleenp@548	84	basic_types_init();
duke@435	85	eventlog_init();
duke@435	86	mutex_init();
duke@435	87	chunkpool_init();
duke@435	88	perfMemory_init();
duke@435	89	}
duke@435	90
duke@435	91
duke@435	92	jint init_globals() {
duke@435	93	HandleMark hm;
duke@435	94	management_init();
duke@435	95	bytecodes_init();
duke@435	96	classLoader_init();
duke@435	97	codeCache_init();
duke@435	98	VM_Version_init();
phh@3378	99	os_init_globals();
duke@435	100	stubRoutines_init1();
phh@3378	101	jint status = universe_init(); // dependent on codeCache_init and
phh@3378	102	// stubRoutines_init1
duke@435	103	if (status != JNI_OK)
duke@435	104	return status;
duke@435	105
duke@435	106	interpreter_init(); // before any methods loaded
duke@435	107	invocationCounter_init(); // before any methods loaded
duke@435	108	marksweep_init();
duke@435	109	accessFlags_init();
duke@435	110	templateTable_init();
duke@435	111	InterfaceSupport_init();
duke@435	112	SharedRuntime::generate_stubs();
phh@3378	113	universe2_init(); // dependent on codeCache_init and stubRoutines_init1
duke@435	114	referenceProcessor_init();
duke@435	115	jni_handles_init();
duke@435	116	#ifndef VM_STRUCTS_KERNEL
duke@435	117	vmStructs_init();
duke@435	118	#endif // VM_STRUCTS_KERNEL
duke@435	119
duke@435	120	vtableStubs_init();
duke@435	121	InlineCacheBuffer_init();
duke@435	122	compilerOracle_init();
duke@435	123	compilationPolicy_init();
never@3499	124	compileBroker_init();
duke@435	125	VMRegImpl::set_regName();
duke@435	126
duke@435	127	if (!universe_post_init()) {
duke@435	128	return JNI_ERR;
duke@435	129	}
phh@3378	130	javaClasses_init(); // must happen after vtable initialization
duke@435	131	stubRoutines_init2(); // note: StubRoutines need 2-phase init
duke@435	132
duke@435	133	// Although we'd like to, we can't easily do a heap verify
duke@435	134	// here because the main thread isn't yet a JavaThread, so
duke@435	135	// its TLAB may not be made parseable from the usual interfaces.
duke@435	136	if (VerifyBeforeGC && !UseTLAB &&
duke@435	137	Universe::heap()->total_collections() >= VerifyGCStartAt) {
duke@435	138	Universe::heap()->prepare_for_verify();
duke@435	139	Universe::verify(); // make sure we're starting with a clean slate
duke@435	140	}
duke@435	141
never@2085	142	// All the flags that get adjusted by VM_Version_init and os::init_2
never@2085	143	// have been set so dump the flags now.
never@2085	144	if (PrintFlagsFinal) {
fparain@3402	145	CommandLineFlags::printFlags(tty, false);
never@2085	146	}
never@2085	147
duke@435	148	return JNI_OK;
duke@435	149	}
duke@435	150
duke@435	151
duke@435	152	void exit_globals() {
duke@435	153	static bool destructorsCalled = false;
duke@435	154	if (!destructorsCalled) {
duke@435	155	destructorsCalled = true;
duke@435	156	perfMemory_exit();
duke@435	157	if (PrintSafepointStatistics) {
duke@435	158	// Print the collected safepoint statistics.
duke@435	159	SafepointSynchronize::print_stat_on_exit();
duke@435	160	}
coleenp@3865	161	if (PrintStringTableStatistics) {
coleenp@3865	162	SymbolTable::dump(tty);
coleenp@3865	163	StringTable::dump(tty);
coleenp@3865	164	}
duke@435	165	ostream_exit();
duke@435	166	}
duke@435	167	}
duke@435	168
duke@435	169
duke@435	170	static bool _init_completed = false;
duke@435	171
duke@435	172	bool is_init_completed() {
duke@435	173	return _init_completed;
duke@435	174	}
duke@435	175
duke@435	176
duke@435	177	void set_init_completed() {
ysr@2301	178	assert(Universe::is_fully_initialized(), "Should have completed initialization");
duke@435	179	_init_completed = true;
duke@435	180	}