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src/share/vm/runtime/init.cpp@7ae4e26cb1e0 (annotated)

src/share/vm/runtime/init.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 7074

833b0f92429a

parent 6876

710a3c8b516e

permissions

-rw-r--r--

merge

aoqi@0	1	/*
zgu@7074	2	* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "precompiled.hpp"
aoqi@0	26	#include "classfile/symbolTable.hpp"
aoqi@0	27	#include "code/icBuffer.hpp"
aoqi@0	28	#include "gc_interface/collectedHeap.hpp"
aoqi@0	29	#include "interpreter/bytecodes.hpp"
aoqi@0	30	#include "memory/universe.hpp"
aoqi@0	31	#include "prims/methodHandles.hpp"
aoqi@0	32	#include "runtime/handles.inline.hpp"
aoqi@0	33	#include "runtime/icache.hpp"
aoqi@0	34	#include "runtime/init.hpp"
aoqi@0	35	#include "runtime/safepoint.hpp"
aoqi@0	36	#include "runtime/sharedRuntime.hpp"
zgu@7074	37	#include "services/memTracker.hpp"
aoqi@0	38	#include "utilities/macros.hpp"
aoqi@0	39
zgu@7074	40
aoqi@0	41	// Initialization done by VM thread in vm_init_globals()
aoqi@0	42	void check_ThreadShadow();
aoqi@0	43	void eventlog_init();
aoqi@0	44	void mutex_init();
aoqi@0	45	void chunkpool_init();
aoqi@0	46	void perfMemory_init();
aoqi@0	47
aoqi@0	48	// Initialization done by Java thread in init_globals()
aoqi@0	49	void management_init();
aoqi@0	50	void bytecodes_init();
aoqi@0	51	void classLoader_init();
aoqi@0	52	void codeCache_init();
aoqi@0	53	void VM_Version_init();
aoqi@0	54	void os_init_globals(); // depends on VM_Version_init, before universe_init
aoqi@0	55	void stubRoutines_init1();
aoqi@0	56	jint universe_init(); // depends on codeCache_init and stubRoutines_init
aoqi@0	57	void interpreter_init(); // before any methods loaded
aoqi@0	58	void invocationCounter_init(); // before any methods loaded
aoqi@0	59	void marksweep_init();
aoqi@0	60	void accessFlags_init();
aoqi@0	61	void templateTable_init();
aoqi@0	62	void InterfaceSupport_init();
aoqi@0	63	void universe2_init(); // dependent on codeCache_init and stubRoutines_init, loads primordial classes
aoqi@0	64	void referenceProcessor_init();
aoqi@0	65	void jni_handles_init();
aoqi@0	66	void vmStructs_init();
aoqi@0	67
aoqi@0	68	void vtableStubs_init();
aoqi@0	69	void InlineCacheBuffer_init();
aoqi@0	70	void compilerOracle_init();
aoqi@0	71	void compilationPolicy_init();
aoqi@0	72	void compileBroker_init();
aoqi@0	73
aoqi@0	74	// Initialization after compiler initialization
aoqi@0	75	bool universe_post_init(); // must happen after compiler_init
aoqi@0	76	void javaClasses_init(); // must happen after vtable initialization
aoqi@0	77	void stubRoutines_init2(); // note: StubRoutines need 2-phase init
aoqi@0	78
aoqi@0	79	// Do not disable thread-local-storage, as it is important for some
aoqi@0	80	// JNI/JVM/JVMTI functions and signal handlers to work properly
aoqi@0	81	// during VM shutdown
aoqi@0	82	void perfMemory_exit();
aoqi@0	83	void ostream_exit();
aoqi@0	84
aoqi@0	85	void vm_init_globals() {
aoqi@0	86	check_ThreadShadow();
aoqi@0	87	basic_types_init();
aoqi@0	88	eventlog_init();
aoqi@0	89	mutex_init();
aoqi@0	90	chunkpool_init();
aoqi@0	91	perfMemory_init();
aoqi@0	92	}
aoqi@0	93
aoqi@0	94
aoqi@0	95	jint init_globals() {
aoqi@0	96	HandleMark hm;
aoqi@0	97	management_init();
aoqi@0	98	bytecodes_init();
aoqi@0	99	classLoader_init();
aoqi@0	100	codeCache_init();
aoqi@0	101	VM_Version_init();
aoqi@0	102	os_init_globals();
aoqi@0	103	stubRoutines_init1();
aoqi@0	104	jint status = universe_init(); // dependent on codeCache_init and
aoqi@0	105	// stubRoutines_init1 and metaspace_init.
aoqi@0	106	if (status != JNI_OK)
aoqi@0	107	return status;
aoqi@0	108
aoqi@0	109	interpreter_init(); // before any methods loaded
aoqi@0	110	invocationCounter_init(); // before any methods loaded
aoqi@0	111	marksweep_init();
aoqi@0	112	accessFlags_init();
aoqi@0	113	templateTable_init();
aoqi@0	114	InterfaceSupport_init();
aoqi@0	115	SharedRuntime::generate_stubs();
aoqi@0	116	universe2_init(); // dependent on codeCache_init and stubRoutines_init1
aoqi@0	117	referenceProcessor_init();
aoqi@0	118	jni_handles_init();
aoqi@0	119	#if INCLUDE_VM_STRUCTS
aoqi@0	120	vmStructs_init();
aoqi@0	121	#endif // INCLUDE_VM_STRUCTS
aoqi@0	122
aoqi@0	123	vtableStubs_init();
aoqi@0	124	InlineCacheBuffer_init();
aoqi@0	125	compilerOracle_init();
aoqi@0	126	compilationPolicy_init();
aoqi@0	127	compileBroker_init();
aoqi@0	128	VMRegImpl::set_regName();
aoqi@0	129
aoqi@0	130	if (!universe_post_init()) {
aoqi@0	131	return JNI_ERR;
aoqi@0	132	}
aoqi@0	133	javaClasses_init(); // must happen after vtable initialization
aoqi@0	134	stubRoutines_init2(); // note: StubRoutines need 2-phase init
aoqi@0	135
zgu@7074	136	#if INCLUDE_NMT
zgu@7074	137	// Solaris stack is walkable only after stubRoutines are set up.
zgu@7074	138	// On Other platforms, the stack is always walkable.
zgu@7074	139	NMT_stack_walkable = true;
zgu@7074	140	#endif // INCLUDE_NMT
zgu@7074	141
aoqi@0	142	// All the flags that get adjusted by VM_Version_init and os::init_2
aoqi@0	143	// have been set so dump the flags now.
aoqi@0	144	if (PrintFlagsFinal) {
aoqi@0	145	CommandLineFlags::printFlags(tty, false);
aoqi@0	146	}
aoqi@0	147
aoqi@0	148	return JNI_OK;
aoqi@0	149	}
aoqi@0	150
aoqi@0	151
aoqi@0	152	void exit_globals() {
aoqi@0	153	static bool destructorsCalled = false;
aoqi@0	154	if (!destructorsCalled) {
aoqi@0	155	destructorsCalled = true;
aoqi@0	156	perfMemory_exit();
aoqi@0	157	if (PrintSafepointStatistics) {
aoqi@0	158	// Print the collected safepoint statistics.
aoqi@0	159	SafepointSynchronize::print_stat_on_exit();
aoqi@0	160	}
aoqi@0	161	if (PrintStringTableStatistics) {
aoqi@0	162	SymbolTable::dump(tty);
aoqi@0	163	StringTable::dump(tty);
aoqi@0	164	}
aoqi@0	165	ostream_exit();
aoqi@0	166	}
aoqi@0	167	}
aoqi@0	168
aoqi@0	169
aoqi@0	170	static bool _init_completed = false;
aoqi@0	171
aoqi@0	172	bool is_init_completed() {
aoqi@0	173	return _init_completed;
aoqi@0	174	}
aoqi@0	175
aoqi@0	176
aoqi@0	177	void set_init_completed() {
aoqi@0	178	assert(Universe::is_fully_initialized(), "Should have completed initialization");
aoqi@0	179	_init_completed = true;
aoqi@0	180	}