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src/share/vm/memory/oopFactory.cpp@0af8b0718fc9 (annotated)

src/share/vm/memory/oopFactory.cpp

Sun, 11 Jan 2009 16:58:24 -0800

author

jmasa

date

Sun, 11 Jan 2009 16:58:24 -0800

changeset 953

0af8b0718fc9

parent 435

a61af66fc99e

child 977

9a25e0c45327

permissions

-rw-r--r--

6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
Summary: The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.
Reviewed-by: ysr, dcubed

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/_oopFactory.cpp.incl"
duke@435	27
duke@435	28
duke@435	29	typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) {
duke@435	30	int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str);
duke@435	31	typeArrayOop result = new_charArray(length, CHECK_NULL);
duke@435	32	if (length > 0) {
duke@435	33	UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length);
duke@435	34	}
duke@435	35	return result;
duke@435	36	}
duke@435	37
duke@435	38	typeArrayOop oopFactory::new_permanent_charArray(int length, TRAPS) {
duke@435	39	return typeArrayKlass::cast(Universe::charArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	40	}
duke@435	41
duke@435	42	typeArrayOop oopFactory::new_permanent_byteArray(int length, TRAPS) {
duke@435	43	return typeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	44	}
duke@435	45
duke@435	46
duke@435	47	typeArrayOop oopFactory::new_permanent_shortArray(int length, TRAPS) {
duke@435	48	return typeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	49	}
duke@435	50
duke@435	51
duke@435	52	typeArrayOop oopFactory::new_permanent_intArray(int length, TRAPS) {
duke@435	53	return typeArrayKlass::cast(Universe::intArrayKlassObj())->allocate_permanent(length, THREAD);
duke@435	54	}
duke@435	55
duke@435	56
duke@435	57	typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) {
duke@435	58	klassOop type_asKlassOop = Universe::typeArrayKlassObj(type);
duke@435	59	typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop);
duke@435	60	typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
duke@435	61	return result;
duke@435	62	}
duke@435	63
duke@435	64
duke@435	65	objArrayOop oopFactory::new_objArray(klassOop klass, int length, TRAPS) {
duke@435	66	assert(klass->is_klass(), "must be instance class");
duke@435	67	if (klass->klass_part()->oop_is_array()) {
duke@435	68	return ((arrayKlass*)klass->klass_part())->allocate_arrayArray(1, length, THREAD);
duke@435	69	} else {
duke@435	70	assert (klass->klass_part()->oop_is_instance(), "new object array with klass not an instanceKlass");
duke@435	71	return ((instanceKlass*)klass->klass_part())->allocate_objArray(1, length, THREAD);
duke@435	72	}
duke@435	73	}
duke@435	74
duke@435	75	objArrayOop oopFactory::new_system_objArray(int length, TRAPS) {
duke@435	76	int size = objArrayOopDesc::object_size(length);
duke@435	77	KlassHandle klass (THREAD, Universe::systemObjArrayKlassObj());
duke@435	78	objArrayOop o = (objArrayOop)
duke@435	79	Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL);
duke@435	80	// initialization not needed, allocated cleared
duke@435	81	return o;
duke@435	82	}
duke@435	83
duke@435	84
jmasa@953	85	constantPoolOop oopFactory::new_constantPool(int length,
jmasa@953	86	bool is_conc_safe,
jmasa@953	87	TRAPS) {
duke@435	88	constantPoolKlass* ck = constantPoolKlass::cast(Universe::constantPoolKlassObj());
jmasa@953	89	return ck->allocate(length, is_conc_safe, CHECK_NULL);
duke@435	90	}
duke@435	91
duke@435	92
duke@435	93	constantPoolCacheOop oopFactory::new_constantPoolCache(int length, TRAPS) {
duke@435	94	constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj());
duke@435	95	return ck->allocate(length, CHECK_NULL);
duke@435	96	}
duke@435	97
duke@435	98
duke@435	99	klassOop oopFactory::new_instanceKlass(int vtable_len, int itable_len, int static_field_size,
duke@435	100	int nonstatic_oop_map_size, ReferenceType rt, TRAPS) {
duke@435	101	instanceKlassKlass* ikk = instanceKlassKlass::cast(Universe::instanceKlassKlassObj());
duke@435	102	return ikk->allocate_instance_klass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, CHECK_NULL);
duke@435	103	}
duke@435	104
duke@435	105
duke@435	106	constMethodOop oopFactory::new_constMethod(int byte_code_size,
duke@435	107	int compressed_line_number_size,
duke@435	108	int localvariable_table_length,
duke@435	109	int checked_exceptions_length,
jmasa@953	110	bool is_conc_safe,
duke@435	111	TRAPS) {
duke@435	112	klassOop cmkObj = Universe::constMethodKlassObj();
duke@435	113	constMethodKlass* cmk = constMethodKlass::cast(cmkObj);
duke@435	114	return cmk->allocate(byte_code_size, compressed_line_number_size,
duke@435	115	localvariable_table_length, checked_exceptions_length,
jmasa@953	116	is_conc_safe,
duke@435	117	CHECK_NULL);
duke@435	118	}
duke@435	119
duke@435	120
duke@435	121	methodOop oopFactory::new_method(int byte_code_size, AccessFlags access_flags,
duke@435	122	int compressed_line_number_size,
duke@435	123	int localvariable_table_length,
jmasa@953	124	int checked_exceptions_length,
jmasa@953	125	bool is_conc_safe,
jmasa@953	126	TRAPS) {
duke@435	127	methodKlass* mk = methodKlass::cast(Universe::methodKlassObj());
duke@435	128	assert(!access_flags.is_native() || byte_code_size == 0,
duke@435	129	"native methods should not contain byte codes");
duke@435	130	constMethodOop cm = new_constMethod(byte_code_size,
duke@435	131	compressed_line_number_size,
duke@435	132	localvariable_table_length,
jmasa@953	133	checked_exceptions_length,
jmasa@953	134	is_conc_safe, CHECK_NULL);
duke@435	135	constMethodHandle rw(THREAD, cm);
duke@435	136	return mk->allocate(rw, access_flags, CHECK_NULL);
duke@435	137	}
duke@435	138
duke@435	139
duke@435	140	methodDataOop oopFactory::new_methodData(methodHandle method, TRAPS) {
duke@435	141	methodDataKlass* mdk = methodDataKlass::cast(Universe::methodDataKlassObj());
duke@435	142	return mdk->allocate(method, CHECK_NULL);
duke@435	143	}
duke@435	144
duke@435	145
duke@435	146	compiledICHolderOop oopFactory::new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS) {
duke@435	147	compiledICHolderKlass* ck = (compiledICHolderKlass*) Universe::compiledICHolderKlassObj()->klass_part();
duke@435	148	compiledICHolderOop c = ck->allocate(CHECK_NULL);
duke@435	149	c->set_holder_method(method());
duke@435	150	c->set_holder_klass(klass());
duke@435	151	return c;
duke@435	152	}