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src/share/vm/memory/oopFactory.cpp@8ce625481709 (annotated)

src/share/vm/memory/oopFactory.cpp

Fri, 15 Apr 2011 09:36:28 -0400

author

coleenp

date

Fri, 15 Apr 2011 09:36:28 -0400

changeset 2777

8ce625481709

parent 2658

c7f3d0b4570f

child 3157

a92cdbac8b9e

permissions

-rw-r--r--

7032407: Crash in LinkResolver::runtime_resolve_virtual_method()
Summary: Make CDS reorder vtables so that dump time vtables match run time order, so when redefine classes reinitializes them, they aren't in the wrong order.
Reviewed-by: dcubed, acorn

duke@435	1	/*
never@2658	2	* Copyright (c) 1997, 2011, 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 "classfile/javaClasses.hpp"
stefank@2314	27	#include "classfile/symbolTable.hpp"
stefank@2314	28	#include "classfile/systemDictionary.hpp"
stefank@2314	29	#include "classfile/vmSymbols.hpp"
stefank@2314	30	#include "gc_interface/collectedHeap.inline.hpp"
stefank@2314	31	#include "memory/oopFactory.hpp"
stefank@2314	32	#include "memory/resourceArea.hpp"
stefank@2314	33	#include "memory/universe.inline.hpp"
stefank@2314	34	#include "oops/compiledICHolderKlass.hpp"
stefank@2314	35	#include "oops/constMethodKlass.hpp"
stefank@2314	36	#include "oops/constantPoolKlass.hpp"
stefank@2314	37	#include "oops/cpCacheKlass.hpp"
stefank@2314	38	#include "oops/instanceKlass.hpp"
stefank@2314	39	#include "oops/instanceKlassKlass.hpp"
stefank@2314	40	#include "oops/instanceOop.hpp"
stefank@2314	41	#include "oops/klassKlass.hpp"
stefank@2314	42	#include "oops/klassOop.hpp"
stefank@2314	43	#include "oops/methodDataKlass.hpp"
stefank@2314	44	#include "oops/methodKlass.hpp"
stefank@2314	45	#include "oops/objArrayOop.hpp"
stefank@2314	46	#include "oops/oop.inline.hpp"
duke@435	47
duke@435	48
duke@435	49	typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) {
duke@435	50	int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str);
duke@435	51	typeArrayOop result = new_charArray(length, CHECK_NULL);
duke@435	52	if (length > 0) {
duke@435	53	UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length);
duke@435	54	}
duke@435	55	return result;
duke@435	56	}
duke@435	57
duke@435	58	typeArrayOop oopFactory::new_permanent_charArray(int length, TRAPS) {
duke@435	59	return typeArrayKlass::cast(Universe::charArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	60	}
duke@435	61
duke@435	62	typeArrayOop oopFactory::new_permanent_byteArray(int length, TRAPS) {
duke@435	63	return typeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	64	}
duke@435	65
duke@435	66
duke@435	67	typeArrayOop oopFactory::new_permanent_shortArray(int length, TRAPS) {
duke@435	68	return typeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	69	}
duke@435	70
duke@435	71
duke@435	72	typeArrayOop oopFactory::new_permanent_intArray(int length, TRAPS) {
duke@435	73	return typeArrayKlass::cast(Universe::intArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	74	}
duke@435	75
duke@435	76
duke@435	77	typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) {
duke@435	78	klassOop type_asKlassOop = Universe::typeArrayKlassObj(type);
duke@435	79	typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop);
duke@435	80	typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
duke@435	81	return result;
duke@435	82	}
duke@435	83
duke@435	84
duke@435	85	objArrayOop oopFactory::new_objArray(klassOop klass, int length, TRAPS) {
duke@435	86	assert(klass->is_klass(), "must be instance class");
duke@435	87	if (klass->klass_part()->oop_is_array()) {
duke@435	88	return ((arrayKlass*)klass->klass_part())->allocate_arrayArray(1, length, THREAD);
duke@435	89	} else {
duke@435	90	assert (klass->klass_part()->oop_is_instance(), "new object array with klass not an instanceKlass");
duke@435	91	return ((instanceKlass*)klass->klass_part())->allocate_objArray(1, length, THREAD);
duke@435	92	}
duke@435	93	}
duke@435	94
stefank@2574	95	objArrayOop oopFactory::new_system_objArray(int length, TRAPS) {
duke@435	96	int size = objArrayOopDesc::object_size(length);
duke@435	97	KlassHandle klass (THREAD, Universe::systemObjArrayKlassObj());
stefank@2574	98	objArrayOop o = (objArrayOop)
stefank@2574	99	Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL);
duke@435	100	// initialization not needed, allocated cleared
duke@435	101	return o;
duke@435	102	}
duke@435	103
duke@435	104
jmasa@953	105	constantPoolOop oopFactory::new_constantPool(int length,
jmasa@953	106	bool is_conc_safe,
jmasa@953	107	TRAPS) {
duke@435	108	constantPoolKlass* ck = constantPoolKlass::cast(Universe::constantPoolKlassObj());
jmasa@953	109	return ck->allocate(length, is_conc_safe, CHECK_NULL);
duke@435	110	}
duke@435	111
duke@435	112
jmasa@977	113	constantPoolCacheOop oopFactory::new_constantPoolCache(int length,
jmasa@977	114	TRAPS) {
duke@435	115	constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj());
ysr@2533	116	return ck->allocate(length, CHECK_NULL);
duke@435	117	}
duke@435	118
duke@435	119
never@2658	120	klassOop oopFactory::new_instanceKlass(Symbol* name, int vtable_len, int itable_len,
jcoomes@1374	121	int static_field_size,
jcoomes@1374	122	unsigned int nonstatic_oop_map_count,
jcoomes@1374	123	ReferenceType rt, TRAPS) {
duke@435	124	instanceKlassKlass* ikk = instanceKlassKlass::cast(Universe::instanceKlassKlassObj());
never@2658	125	return ikk->allocate_instance_klass(name, vtable_len, itable_len, static_field_size, nonstatic_oop_map_count, rt, CHECK_NULL);
duke@435	126	}
duke@435	127
duke@435	128
duke@435	129	constMethodOop oopFactory::new_constMethod(int byte_code_size,
duke@435	130	int compressed_line_number_size,
duke@435	131	int localvariable_table_length,
duke@435	132	int checked_exceptions_length,
jmasa@953	133	bool is_conc_safe,
duke@435	134	TRAPS) {
duke@435	135	klassOop cmkObj = Universe::constMethodKlassObj();
duke@435	136	constMethodKlass* cmk = constMethodKlass::cast(cmkObj);
duke@435	137	return cmk->allocate(byte_code_size, compressed_line_number_size,
duke@435	138	localvariable_table_length, checked_exceptions_length,
jmasa@953	139	is_conc_safe,
duke@435	140	CHECK_NULL);
duke@435	141	}
duke@435	142
duke@435	143
duke@435	144	methodOop oopFactory::new_method(int byte_code_size, AccessFlags access_flags,
duke@435	145	int compressed_line_number_size,
duke@435	146	int localvariable_table_length,
jmasa@953	147	int checked_exceptions_length,
jmasa@953	148	bool is_conc_safe,
jmasa@953	149	TRAPS) {
duke@435	150	methodKlass* mk = methodKlass::cast(Universe::methodKlassObj());
duke@435	151	assert(!access_flags.is_native() || byte_code_size == 0,
duke@435	152	"native methods should not contain byte codes");
duke@435	153	constMethodOop cm = new_constMethod(byte_code_size,
duke@435	154	compressed_line_number_size,
duke@435	155	localvariable_table_length,
jmasa@953	156	checked_exceptions_length,
jmasa@953	157	is_conc_safe, CHECK_NULL);
duke@435	158	constMethodHandle rw(THREAD, cm);
duke@435	159	return mk->allocate(rw, access_flags, CHECK_NULL);
duke@435	160	}
duke@435	161
duke@435	162
duke@435	163	methodDataOop oopFactory::new_methodData(methodHandle method, TRAPS) {
duke@435	164	methodDataKlass* mdk = methodDataKlass::cast(Universe::methodDataKlassObj());
duke@435	165	return mdk->allocate(method, CHECK_NULL);
duke@435	166	}
duke@435	167
duke@435	168
duke@435	169	compiledICHolderOop oopFactory::new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS) {
duke@435	170	compiledICHolderKlass* ck = (compiledICHolderKlass*) Universe::compiledICHolderKlassObj()->klass_part();
duke@435	171	compiledICHolderOop c = ck->allocate(CHECK_NULL);
duke@435	172	c->set_holder_method(method());
duke@435	173	c->set_holder_klass(klass());
duke@435	174	return c;
duke@435	175	}