truffle: src/share/vm/oops/objArrayKlass.cpp annotate

annotate src/share/vm/oops/objArrayKlass.cpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

author	coleenp
date	Sat, 01 Sep 2012 13:25:18 -0400
parents	b632e80fc9dc
children	86af3dacab81 d8ce2825b193

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
5935 a735aec54ea4 7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02 sspitsyn parents: 2227 diff changeset	2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1311 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1311 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1311 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	25 #include "precompiled.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	26 #include "classfile/symbolTable.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	27 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	28 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	29 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	30 #include "gc_interface/collectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	31 #include "memory/genOopClosures.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	32 #include "memory/metadataFactory.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	33 #include "memory/resourceArea.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	34 #include "memory/universe.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	35 #include "oops/instanceKlass.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	36 #include "oops/klass.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	37 #include "oops/objArrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	38 #include "oops/objArrayKlass.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	39 #include "oops/objArrayOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	40 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	41 #include "oops/oop.inline2.hpp"
2177 3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable coleenp parents: 2119 diff changeset	42 #include "oops/symbol.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	43 #include "runtime/handles.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	44 #include "runtime/mutexLocker.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	45 #include "utilities/copy.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	46 #ifndef SERIALGC
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	47 #include "gc_implementation/concurrentMarkSweep/cmsOopClosures.inline.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	48 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	49 #include "gc_implementation/g1/g1OopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	50 #include "gc_implementation/g1/g1RemSet.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	51 #include "gc_implementation/g1/heapRegionSeq.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	52 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	53 #include "gc_implementation/parallelScavenge/psCompactionManager.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	54 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	55 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	56 #include "oops/oop.pcgc.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1706 diff changeset	57 #endif
0 a61af66fc99e Initial load duke parents: diff changeset	58
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	59 objArrayKlass* objArrayKlass::allocate(ClassLoaderData* loader_data, int n, KlassHandle klass_handle, Symbol* name, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	60 assert(objArrayKlass::header_size() <= InstanceKlass::header_size(),
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	61 "array klasses must be same size as InstanceKlass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	62
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	63 int size = arrayKlass::static_size(objArrayKlass::header_size());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	64
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	65 return new (loader_data, size, THREAD) objArrayKlass(n, klass_handle, name);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	66 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	67
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	68 Klass* objArrayKlass::allocate_objArray_klass(ClassLoaderData* loader_data,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	69 int n, KlassHandle element_klass, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	70
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	71 // Eagerly allocate the direct array supertype.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	72 KlassHandle super_klass = KlassHandle();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	73 if (!Universe::is_bootstrapping() \|\| SystemDictionary::Object_klass_loaded()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	74 KlassHandle element_super (THREAD, element_klass->super());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	75 if (element_super.not_null()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	76 // The element type has a direct super. E.g., String[] has direct super of Object[].
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	77 super_klass = KlassHandle(THREAD, element_super->array_klass_or_null());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	78 bool supers_exist = super_klass.not_null();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	79 // Also, see if the element has secondary supertypes.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	80 // We need an array type for each.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	81 Array<Klass> element_supers = element_klass->secondary_supers();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	82 for( int i = element_supers->length()-1; i >= 0; i-- ) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	83 Klass* elem_super = element_supers->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	84 if (Klass::cast(elem_super)->array_klass_or_null() == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	85 supers_exist = false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	86 break;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	87 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	88 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	89 if (!supers_exist) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	90 // Oops. Not allocated yet. Back out, allocate it, and retry.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	91 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	92 if (WizardMode) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	93 tty->print_cr("Must retry array klass creation for depth %d",n);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	94 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	95 #endif
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	96 KlassHandle ek;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	97 {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	98 MutexUnlocker mu(MultiArray_lock);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	99 MutexUnlocker mc(Compile_lock); // for vtables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	100 Klass* sk = element_super->array_klass(CHECK_0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	101 super_klass = KlassHandle(THREAD, sk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	102 for( int i = element_supers->length()-1; i >= 0; i-- ) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	103 KlassHandle elem_super (THREAD, element_supers->at(i));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	104 elem_super->array_klass(CHECK_0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	105 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	106 // Now retry from the beginning
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	107 Klass* klass_oop = element_klass->array_klass(n, CHECK_0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	108 // Create a handle because the enclosing brace, when locking
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	109 // can cause a gc. Better to have this function return a Handle.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	110 ek = KlassHandle(THREAD, klass_oop);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	111 } // re-lock
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	112 return ek();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	113 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	114 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	115 // The element type is already Object. Object[] has direct super of Object.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	116 super_klass = KlassHandle(THREAD, SystemDictionary::Object_klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	117 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	118 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	119
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	120 // Create type name for klass.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	121 Symbol* name = NULL;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	122 if (!element_klass->oop_is_instance() \|\|
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	123 (name = InstanceKlass::cast(element_klass())->array_name()) == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	124
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	125 ResourceMark rm(THREAD);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	126 char *name_str = element_klass->name()->as_C_string();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	127 int len = element_klass->name()->utf8_length();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	128 char *new_str = NEW_RESOURCE_ARRAY(char, len + 4);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	129 int idx = 0;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	130 new_str[idx++] = '[';
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	131 if (element_klass->oop_is_instance()) { // it could be an array or simple type
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	132 new_str[idx++] = 'L';
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	133 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	134 memcpy(&new_str[idx], name_str, len * sizeof(char));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	135 idx += len;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	136 if (element_klass->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	137 new_str[idx++] = ';';
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	138 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	139 new_str[idx++] = '\0';
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	140 name = SymbolTable::new_permanent_symbol(new_str, CHECK_0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	141 if (element_klass->oop_is_instance()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	142 InstanceKlass* ik = InstanceKlass::cast(element_klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	143 ik->set_array_name(name);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	144 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	145 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	146
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	147 // Initialize instance variables
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	148 objArrayKlass* oak = objArrayKlass::allocate(loader_data, n, element_klass, name, CHECK_0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	149
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	150 // Add all classes to our internal class loader list here,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	151 // including classes in the bootstrap (NULL) class loader.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	152 // GC walks these as strong roots.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	153 loader_data->add_class(oak);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	154
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	155 // Call complete_create_array_klass after all instance variables has been initialized.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	156 arrayKlass::complete_create_array_klass(oak, super_klass, CHECK_0);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	157
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	158 return oak;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	159 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	160
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	161 objArrayKlass::objArrayKlass(int n, KlassHandle element_klass, Symbol* name) : arrayKlass(name) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	162 this->set_dimension(n);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	163 this->set_element_klass(element_klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	164 // decrement refcount because object arrays are not explicitly freed. The
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	165 // InstanceKlass array_name() keeps the name counted while the klass is
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	166 // loaded.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	167 name->decrement_refcount();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	168
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	169 Klass* bk;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	170 if (element_klass->oop_is_objArray()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	171 bk = objArrayKlass::cast(element_klass())->bottom_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	172 } else {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	173 bk = element_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	174 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	175 assert(bk != NULL && (Klass::cast(bk)->oop_is_instance() \|\| Klass::cast(bk)->oop_is_typeArray()), "invalid bottom klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	176 this->set_bottom_klass(bk);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	177 this->set_class_loader_data(bk->class_loader_data());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	178
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	179 this->set_layout_helper(array_layout_helper(T_OBJECT));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	180 assert(this->oop_is_array(), "sanity");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	181 assert(this->oop_is_objArray(), "sanity");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	182 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	183
0 a61af66fc99e Initial load duke parents: diff changeset	184 int objArrayKlass::oop_size(oop obj) const {
a61af66fc99e Initial load duke parents: diff changeset	185 assert(obj->is_objArray(), "must be object array");
a61af66fc99e Initial load duke parents: diff changeset	186 return objArrayOop(obj)->object_size();
a61af66fc99e Initial load duke parents: diff changeset	187 }
a61af66fc99e Initial load duke parents: diff changeset	188
a61af66fc99e Initial load duke parents: diff changeset	189 objArrayOop objArrayKlass::allocate(int length, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	190 if (length >= 0) {
a61af66fc99e Initial load duke parents: diff changeset	191 if (length <= arrayOopDesc::max_array_length(T_OBJECT)) {
a61af66fc99e Initial load duke parents: diff changeset	192 int size = objArrayOopDesc::object_size(length);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	193 KlassHandle h_k(THREAD, this);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	194 return (objArrayOop)CollectedHeap::array_allocate(h_k, size, length, CHECK_NULL);
0 a61af66fc99e Initial load duke parents: diff changeset	195 } else {
876 1413494da700 6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit martin parents: 665 diff changeset	196 report_java_out_of_memory("Requested array size exceeds VM limit");
5935 a735aec54ea4 7123170: JCK vm/jvmti/ResourceExhausted/resexh001/resexh00101/ tests fails since 7u4 b02 sspitsyn parents: 2227 diff changeset	197 JvmtiExport::post_array_size_exhausted();
0 a61af66fc99e Initial load duke parents: diff changeset	198 THROW_OOP_0(Universe::out_of_memory_error_array_size());
a61af66fc99e Initial load duke parents: diff changeset	199 }
a61af66fc99e Initial load duke parents: diff changeset	200 } else {
a61af66fc99e Initial load duke parents: diff changeset	201 THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	202 }
a61af66fc99e Initial load duke parents: diff changeset	203 }
a61af66fc99e Initial load duke parents: diff changeset	204
a61af66fc99e Initial load duke parents: diff changeset	205 static int multi_alloc_counter = 0;
a61af66fc99e Initial load duke parents: diff changeset	206
a61af66fc99e Initial load duke parents: diff changeset	207 oop objArrayKlass::multi_allocate(int rank, jint* sizes, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	208 int length = *sizes;
a61af66fc99e Initial load duke parents: diff changeset	209 // Call to lower_dimension uses this pointer, so most be called before a
a61af66fc99e Initial load duke parents: diff changeset	210 // possible GC
a61af66fc99e Initial load duke parents: diff changeset	211 KlassHandle h_lower_dimension(THREAD, lower_dimension());
a61af66fc99e Initial load duke parents: diff changeset	212 // If length < 0 allocate will throw an exception.
a61af66fc99e Initial load duke parents: diff changeset	213 objArrayOop array = allocate(length, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	214 objArrayHandle h_array (THREAD, array);
a61af66fc99e Initial load duke parents: diff changeset	215 if (rank > 1) {
a61af66fc99e Initial load duke parents: diff changeset	216 if (length != 0) {
a61af66fc99e Initial load duke parents: diff changeset	217 for (int index = 0; index < length; index++) {
a61af66fc99e Initial load duke parents: diff changeset	218 arrayKlass* ak = arrayKlass::cast(h_lower_dimension());
a61af66fc99e Initial load duke parents: diff changeset	219 oop sub_array = ak->multi_allocate(rank-1, &sizes[1], CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	220 h_array->obj_at_put(index, sub_array);
a61af66fc99e Initial load duke parents: diff changeset	221 }
a61af66fc99e Initial load duke parents: diff changeset	222 } else {
a61af66fc99e Initial load duke parents: diff changeset	223 // Since this array dimension has zero length, nothing will be
a61af66fc99e Initial load duke parents: diff changeset	224 // allocated, however the lower dimension values must be checked
a61af66fc99e Initial load duke parents: diff changeset	225 // for illegal values.
a61af66fc99e Initial load duke parents: diff changeset	226 for (int i = 0; i < rank - 1; ++i) {
a61af66fc99e Initial load duke parents: diff changeset	227 sizes += 1;
a61af66fc99e Initial load duke parents: diff changeset	228 if (*sizes < 0) {
a61af66fc99e Initial load duke parents: diff changeset	229 THROW_0(vmSymbols::java_lang_NegativeArraySizeException());
a61af66fc99e Initial load duke parents: diff changeset	230 }
a61af66fc99e Initial load duke parents: diff changeset	231 }
a61af66fc99e Initial load duke parents: diff changeset	232 }
a61af66fc99e Initial load duke parents: diff changeset	233 }
a61af66fc99e Initial load duke parents: diff changeset	234 return h_array();
a61af66fc99e Initial load duke parents: diff changeset	235 }
a61af66fc99e Initial load duke parents: diff changeset	236
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	237 // Either oop or narrowOop depending on UseCompressedOops.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	238 template <class T> void objArrayKlass::do_copy(arrayOop s, T* src,
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	239 arrayOop d, T* dst, int length, TRAPS) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	240
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	241 BarrierSet* bs = Universe::heap()->barrier_set();
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	242 // For performance reasons, we assume we are that the write barrier we
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	243 // are using has optimized modes for arrays of references. At least one
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	244 // of the asserts below will fail if this is not the case.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	245 assert(bs->has_write_ref_array_opt(), "Barrier set must have ref array opt");
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	246 assert(bs->has_write_ref_array_pre_opt(), "For pre-barrier as well.");
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	247
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	248 if (s == d) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	249 // since source and destination are equal we do not need conversion checks.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	250 assert(length > 0, "sanity check");
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 665 diff changeset	251 bs->write_ref_array_pre(dst, length);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	252 Copy::conjoint_oops_atomic(src, dst, length);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	253 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	254 // We have to make sure all elements conform to the destination array
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	255 Klass* bound = objArrayKlass::cast(d->klass())->element_klass();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	256 Klass* stype = objArrayKlass::cast(s->klass())->element_klass();
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	257 if (stype == bound \|\| Klass::cast(stype)->is_subtype_of(bound)) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	258 // elements are guaranteed to be subtypes, so no check necessary
845 df6caf649ff7 6700789: G1: Enable use of compressed oops with G1 heaps ysr parents: 665 diff changeset	259 bs->write_ref_array_pre(dst, length);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	260 Copy::conjoint_oops_atomic(src, dst, length);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	261 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	262 // slow case: need individual subtype checks
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	263 // note: don't use obj_at_put below because it includes a redundant store check
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	264 T* from = src;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	265 T* end = from + length;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	266 for (T* p = dst; from < end; from++, p++) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	267 // XXX this is going to be slow.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	268 T element = *from;
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	269 // even slower now
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	270 bool element_is_null = oopDesc::is_null(element);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	271 oop new_val = element_is_null ? oop(NULL)
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	272 : oopDesc::decode_heap_oop_not_null(element);
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	273 if (element_is_null \|\|
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	274 Klass::cast((new_val->klass()))->is_subtype_of(bound)) {
37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	275 bs->write_ref_field_pre(p, new_val);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	276 p = from;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	277 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	278 // We must do a barrier to cover the partial copy.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	279 const size_t pd = pointer_delta(p, dst, (size_t)heapOopSize);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	280 // pointer delta is scaled to number of elements (length field in
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	281 // objArrayOop) which we assume is 32 bit.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	282 assert(pd == (size_t)(int)pd, "length field overflow");
1091 6aa7255741f3 6906727: UseCompressedOops: some card-marking fixes related to object arrays ysr parents: 879 diff changeset	283 bs->write_ref_array((HeapWord*)dst, pd);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	284 THROW(vmSymbols::java_lang_ArrayStoreException());
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	285 return;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	286 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	287 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	288 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	289 }
1091 6aa7255741f3 6906727: UseCompressedOops: some card-marking fixes related to object arrays ysr parents: 879 diff changeset	290 bs->write_ref_array((HeapWord*)dst, length);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	291 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	292
0 a61af66fc99e Initial load duke parents: diff changeset	293 void objArrayKlass::copy_array(arrayOop s, int src_pos, arrayOop d,
a61af66fc99e Initial load duke parents: diff changeset	294 int dst_pos, int length, TRAPS) {
a61af66fc99e Initial load duke parents: diff changeset	295 assert(s->is_objArray(), "must be obj array");
a61af66fc99e Initial load duke parents: diff changeset	296
a61af66fc99e Initial load duke parents: diff changeset	297 if (!d->is_objArray()) {
a61af66fc99e Initial load duke parents: diff changeset	298 THROW(vmSymbols::java_lang_ArrayStoreException());
a61af66fc99e Initial load duke parents: diff changeset	299 }
a61af66fc99e Initial load duke parents: diff changeset	300
a61af66fc99e Initial load duke parents: diff changeset	301 // Check is all offsets and lengths are non negative
a61af66fc99e Initial load duke parents: diff changeset	302 if (src_pos < 0 \|\| dst_pos < 0 \|\| length < 0) {
a61af66fc99e Initial load duke parents: diff changeset	303 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
a61af66fc99e Initial load duke parents: diff changeset	304 }
a61af66fc99e Initial load duke parents: diff changeset	305 // Check if the ranges are valid
a61af66fc99e Initial load duke parents: diff changeset	306 if ( (((unsigned int) length + (unsigned int) src_pos) > (unsigned int) s->length())
a61af66fc99e Initial load duke parents: diff changeset	307 \|\| (((unsigned int) length + (unsigned int) dst_pos) > (unsigned int) d->length()) ) {
a61af66fc99e Initial load duke parents: diff changeset	308 THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
a61af66fc99e Initial load duke parents: diff changeset	309 }
a61af66fc99e Initial load duke parents: diff changeset	310
a61af66fc99e Initial load duke parents: diff changeset	311 // Special case. Boundary cases must be checked first
a61af66fc99e Initial load duke parents: diff changeset	312 // This allows the following call: copy_array(s, s.length(), d.length(), 0).
a61af66fc99e Initial load duke parents: diff changeset	313 // This is correct, since the position is supposed to be an 'in between point', i.e., s.length(),
a61af66fc99e Initial load duke parents: diff changeset	314 // points to the right of the last element.
a61af66fc99e Initial load duke parents: diff changeset	315 if (length==0) {
a61af66fc99e Initial load duke parents: diff changeset	316 return;
a61af66fc99e Initial load duke parents: diff changeset	317 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	318 if (UseCompressedOops) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	319 narrowOop* const src = objArrayOop(s)->obj_at_addr<narrowOop>(src_pos);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	320 narrowOop* const dst = objArrayOop(d)->obj_at_addr<narrowOop>(dst_pos);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	321 do_copy<narrowOop>(s, src, d, dst, length, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	322 } else {
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	323 oop* const src = objArrayOop(s)->obj_at_addr<oop>(src_pos);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	324 oop* const dst = objArrayOop(d)->obj_at_addr<oop>(dst_pos);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	325 do_copy<oop> (s, src, d, dst, length, CHECK);
0 a61af66fc99e Initial load duke parents: diff changeset	326 }
a61af66fc99e Initial load duke parents: diff changeset	327 }
a61af66fc99e Initial load duke parents: diff changeset	328
a61af66fc99e Initial load duke parents: diff changeset	329
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	330 Klass* objArrayKlass::array_klass_impl(bool or_null, int n, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	331
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	332 assert(dimension() <= n, "check order of chain");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	333 int dim = dimension();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	334 if (dim == n) return this;
0 a61af66fc99e Initial load duke parents: diff changeset	335
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	336 if (higher_dimension() == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	337 if (or_null) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	338
a61af66fc99e Initial load duke parents: diff changeset	339 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	340 JavaThread jt = (JavaThread )THREAD;
a61af66fc99e Initial load duke parents: diff changeset	341 {
a61af66fc99e Initial load duke parents: diff changeset	342 MutexLocker mc(Compile_lock, THREAD); // for vtables
a61af66fc99e Initial load duke parents: diff changeset	343 // Ensure atomic creation of higher dimensions
a61af66fc99e Initial load duke parents: diff changeset	344 MutexLocker mu(MultiArray_lock, THREAD);
a61af66fc99e Initial load duke parents: diff changeset	345
a61af66fc99e Initial load duke parents: diff changeset	346 // Check if another thread beat us
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	347 if (higher_dimension() == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	348
a61af66fc99e Initial load duke parents: diff changeset	349 // Create multi-dim klass object and link them together
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	350 Klass* k =
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	351 objArrayKlass::allocate_objArray_klass(class_loader_data(), dim + 1, this, CHECK_NULL);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	352 objArrayKlass* ak = objArrayKlass::cast(k);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	353 ak->set_lower_dimension(this);
2119 d4fca0a6abde 7011386: race in objArrayKlass::array_klass_impl kvn parents: 1972 diff changeset	354 OrderAccess::storestore();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	355 set_higher_dimension(ak);
0 a61af66fc99e Initial load duke parents: diff changeset	356 assert(ak->oop_is_objArray(), "incorrect initialization of objArrayKlass");
a61af66fc99e Initial load duke parents: diff changeset	357 }
a61af66fc99e Initial load duke parents: diff changeset	358 }
a61af66fc99e Initial load duke parents: diff changeset	359 } else {
a61af66fc99e Initial load duke parents: diff changeset	360 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops());
a61af66fc99e Initial load duke parents: diff changeset	361 }
a61af66fc99e Initial load duke parents: diff changeset	362
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	363 objArrayKlass *ak = objArrayKlass::cast(higher_dimension());
0 a61af66fc99e Initial load duke parents: diff changeset	364 if (or_null) {
a61af66fc99e Initial load duke parents: diff changeset	365 return ak->array_klass_or_null(n);
a61af66fc99e Initial load duke parents: diff changeset	366 }
a61af66fc99e Initial load duke parents: diff changeset	367 return ak->array_klass(n, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	368 }
a61af66fc99e Initial load duke parents: diff changeset	369
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	370 Klass* objArrayKlass::array_klass_impl(bool or_null, TRAPS) {
0 a61af66fc99e Initial load duke parents: diff changeset	371 return array_klass_impl(or_null, dimension() + 1, CHECK_NULL);
a61af66fc99e Initial load duke parents: diff changeset	372 }
a61af66fc99e Initial load duke parents: diff changeset	373
a61af66fc99e Initial load duke parents: diff changeset	374 bool objArrayKlass::can_be_primary_super_slow() const {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	375 if (!bottom_klass()->can_be_primary_super())
0 a61af66fc99e Initial load duke parents: diff changeset	376 // array of interfaces
a61af66fc99e Initial load duke parents: diff changeset	377 return false;
a61af66fc99e Initial load duke parents: diff changeset	378 else
a61af66fc99e Initial load duke parents: diff changeset	379 return Klass::can_be_primary_super_slow();
a61af66fc99e Initial load duke parents: diff changeset	380 }
a61af66fc99e Initial load duke parents: diff changeset	381
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	382 GrowableArray<Klass> objArrayKlass::compute_secondary_supers(int num_extra_slots) {
0 a61af66fc99e Initial load duke parents: diff changeset	383 // interfaces = { cloneable_klass, serializable_klass, elemSuper[], ... };
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	384 Array<Klass> elem_supers = Klass::cast(element_klass())->secondary_supers();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	385 int num_elem_supers = elem_supers == NULL ? 0 : elem_supers->length();
0 a61af66fc99e Initial load duke parents: diff changeset	386 int num_secondaries = num_extra_slots + 2 + num_elem_supers;
a61af66fc99e Initial load duke parents: diff changeset	387 if (num_secondaries == 2) {
a61af66fc99e Initial load duke parents: diff changeset	388 // Must share this for correct bootstrapping!
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	389 set_secondary_supers(Universe::the_array_interfaces_array());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	390 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	391 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	392 GrowableArray<Klass> secondaries = new GrowableArray<Klass*>(num_elem_supers+2);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	393 secondaries->push(SystemDictionary::Cloneable_klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	394 secondaries->push(SystemDictionary::Serializable_klass());
0 a61af66fc99e Initial load duke parents: diff changeset	395 for (int i = 0; i < num_elem_supers; i++) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	396 Klass* elem_super = (Klass*) elem_supers->at(i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	397 Klass* array_super = elem_super->array_klass_or_null();
0 a61af66fc99e Initial load duke parents: diff changeset	398 assert(array_super != NULL, "must already have been created");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	399 secondaries->push(array_super);
0 a61af66fc99e Initial load duke parents: diff changeset	400 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	401 return secondaries;
0 a61af66fc99e Initial load duke parents: diff changeset	402 }
a61af66fc99e Initial load duke parents: diff changeset	403 }
a61af66fc99e Initial load duke parents: diff changeset	404
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	405 bool objArrayKlass::compute_is_subtype_of(Klass* k) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	406 if (!k->oop_is_objArray())
0 a61af66fc99e Initial load duke parents: diff changeset	407 return arrayKlass::compute_is_subtype_of(k);
a61af66fc99e Initial load duke parents: diff changeset	408
a61af66fc99e Initial load duke parents: diff changeset	409 objArrayKlass* oak = objArrayKlass::cast(k);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	410 return element_klass()->is_subtype_of(oak->element_klass());
0 a61af66fc99e Initial load duke parents: diff changeset	411 }
a61af66fc99e Initial load duke parents: diff changeset	412
a61af66fc99e Initial load duke parents: diff changeset	413 void objArrayKlass::initialize(TRAPS) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	414 Klass::cast(bottom_klass())->initialize(THREAD); // dispatches to either InstanceKlass or typeArrayKlass
0 a61af66fc99e Initial load duke parents: diff changeset	415 }
a61af66fc99e Initial load duke parents: diff changeset	416
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	417 #define ObjArrayKlass_SPECIALIZED_OOP_ITERATE(T, a, p, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	418 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	419 T* p = (T*)(a)->base(); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	420 T* const end = p + (a)->length(); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	421 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	422 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	423 p++; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	424 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	425 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	426
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	427 #define ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(T, a, p, low, high, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	428 { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	429 T* const l = (T*)(low); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	430 T* const h = (T*)(high); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	431 T* p = (T*)(a)->base(); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	432 T* end = p + (a)->length(); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	433 if (p < l) p = l; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	434 if (end > h) end = h; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	435 while (p < end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	436 do_oop; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	437 ++p; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	438 } \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	439 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	440
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	441 #define ObjArrayKlass_OOP_ITERATE(a, p, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	442 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	443 ObjArrayKlass_SPECIALIZED_OOP_ITERATE(narrowOop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	444 a, p, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	445 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	446 ObjArrayKlass_SPECIALIZED_OOP_ITERATE(oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	447 a, p, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	448 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	449
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	450 #define ObjArrayKlass_BOUNDED_OOP_ITERATE(a, p, low, high, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	451 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	452 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	453 a, p, low, high, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	454 } else { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	455 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	456 a, p, low, high, do_oop) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	457 }
0 a61af66fc99e Initial load duke parents: diff changeset	458
a61af66fc99e Initial load duke parents: diff changeset	459 void objArrayKlass::oop_follow_contents(oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	460 assert (obj->is_array(), "obj must be array");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	461 MarkSweep::follow_klass(obj->klass());
1311 2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	462 if (UseCompressedOops) {
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	463 objarray_follow_contents<narrowOop>(obj, 0);
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	464 } else {
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	465 objarray_follow_contents<oop>(obj, 0);
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	466 }
0 a61af66fc99e Initial load duke parents: diff changeset	467 }
a61af66fc99e Initial load duke parents: diff changeset	468
a61af66fc99e Initial load duke parents: diff changeset	469 #ifndef SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	470 void objArrayKlass::oop_follow_contents(ParCompactionManager* cm,
a61af66fc99e Initial load duke parents: diff changeset	471 oop obj) {
1311 2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	472 assert(obj->is_array(), "obj must be array");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	473 PSParallelCompact::follow_klass(cm, obj->klass());
1311 2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	474 if (UseCompressedOops) {
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	475 objarray_follow_contents<narrowOop>(cm, obj, 0);
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	476 } else {
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	477 objarray_follow_contents<oop>(cm, obj, 0);
2a1472c30599 4396719: Mark Sweep stack overflow on deeply nested Object arrays jcoomes parents: 1155 diff changeset	478 }
0 a61af66fc99e Initial load duke parents: diff changeset	479 }
a61af66fc99e Initial load duke parents: diff changeset	480 #endif // SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	481
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	482 #define if_do_metadata_checked(closure, nv_suffix) \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	483 /* Make sure the non-virtual and the virtual versions match. */ \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	484 assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	485 "Inconsistency in do_metadata"); \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	486 if (closure->do_metadata##nv_suffix())
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	487
0 a61af66fc99e Initial load duke parents: diff changeset	488 #define ObjArrayKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix) \
a61af66fc99e Initial load duke parents: diff changeset	489 \
a61af66fc99e Initial load duke parents: diff changeset	490 int objArrayKlass::oop_oop_iterate##nv_suffix(oop obj, \
a61af66fc99e Initial load duke parents: diff changeset	491 OopClosureType* closure) { \
a61af66fc99e Initial load duke parents: diff changeset	492 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::oa); \
a61af66fc99e Initial load duke parents: diff changeset	493 assert (obj->is_array(), "obj must be array"); \
a61af66fc99e Initial load duke parents: diff changeset	494 objArrayOop a = objArrayOop(obj); \
a61af66fc99e Initial load duke parents: diff changeset	495 /* Get size before changing pointers. */ \
a61af66fc99e Initial load duke parents: diff changeset	496 /* Don't call size() or oop_size() since that is a virtual call. */ \
a61af66fc99e Initial load duke parents: diff changeset	497 int size = a->object_size(); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	498 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	499 closure->do_klass##nv_suffix(obj->klass()); \
0 a61af66fc99e Initial load duke parents: diff changeset	500 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	501 ObjArrayKlass_OOP_ITERATE(a, p, (closure)->do_oop##nv_suffix(p)) \
0 a61af66fc99e Initial load duke parents: diff changeset	502 return size; \
a61af66fc99e Initial load duke parents: diff changeset	503 }
a61af66fc99e Initial load duke parents: diff changeset	504
a61af66fc99e Initial load duke parents: diff changeset	505 #define ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
a61af66fc99e Initial load duke parents: diff changeset	506 \
a61af66fc99e Initial load duke parents: diff changeset	507 int objArrayKlass::oop_oop_iterate##nv_suffix##_m(oop obj, \
a61af66fc99e Initial load duke parents: diff changeset	508 OopClosureType* closure, \
a61af66fc99e Initial load duke parents: diff changeset	509 MemRegion mr) { \
a61af66fc99e Initial load duke parents: diff changeset	510 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::oa); \
a61af66fc99e Initial load duke parents: diff changeset	511 assert(obj->is_array(), "obj must be array"); \
a61af66fc99e Initial load duke parents: diff changeset	512 objArrayOop a = objArrayOop(obj); \
a61af66fc99e Initial load duke parents: diff changeset	513 /* Get size before changing pointers. */ \
a61af66fc99e Initial load duke parents: diff changeset	514 /* Don't call size() or oop_size() since that is a virtual call */ \
a61af66fc99e Initial load duke parents: diff changeset	515 int size = a->object_size(); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	516 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	517 /* SSS: Do we need to pass down mr here? */ \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	518 closure->do_klass##nv_suffix(a->klass()); \
0 a61af66fc99e Initial load duke parents: diff changeset	519 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	520 ObjArrayKlass_BOUNDED_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	521 a, p, mr.start(), mr.end(), (closure)->do_oop##nv_suffix(p)) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	522 return size; \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	523 }
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	524
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	525 // Like oop_oop_iterate but only iterates over a specified range and only used
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	526 // for objArrayOops.
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	527 #define ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r(OopClosureType, nv_suffix) \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	528 \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	529 int objArrayKlass::oop_oop_iterate_range##nv_suffix(oop obj, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	530 OopClosureType* closure, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	531 int start, int end) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	532 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::oa); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	533 assert(obj->is_array(), "obj must be array"); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	534 objArrayOop a = objArrayOop(obj); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	535 /* Get size before changing pointers. */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	536 /* Don't call size() or oop_size() since that is a virtual call */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	537 int size = a->object_size(); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	538 if (UseCompressedOops) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	539 HeapWord* low = start == 0 ? (HeapWord)a : (HeapWord)a->obj_at_addr<narrowOop>(start);\
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	540 /* this might be wierd if end needs to be aligned on HeapWord boundary */ \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	541 HeapWord* high = (HeapWord)((narrowOop)a->base() + end); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	542 MemRegion mr(low, high); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	543 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	544 /* SSS: Do we need to pass down mr here? */ \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	545 closure->do_klass##nv_suffix(a->klass()); \
0 a61af66fc99e Initial load duke parents: diff changeset	546 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	547 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(narrowOop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	548 a, p, low, high, (closure)->do_oop##nv_suffix(p)) \
0 a61af66fc99e Initial load duke parents: diff changeset	549 } else { \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	550 HeapWord* low = start == 0 ? (HeapWord)a : (HeapWord)a->obj_at_addr<oop>(start); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	551 HeapWord* high = (HeapWord)((oop)a->base() + end); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	552 MemRegion mr(low, high); \
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	553 if_do_metadata_checked(closure, nv_suffix) { \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	554 /* SSS: Do we need to pass down mr here? */ \
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	555 closure->do_klass##nv_suffix(a->klass()); \
0 a61af66fc99e Initial load duke parents: diff changeset	556 } \
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	557 ObjArrayKlass_SPECIALIZED_BOUNDED_OOP_ITERATE(oop, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	558 a, p, low, high, (closure)->do_oop##nv_suffix(p)) \
0 a61af66fc99e Initial load duke parents: diff changeset	559 } \
a61af66fc99e Initial load duke parents: diff changeset	560 return size; \
a61af66fc99e Initial load duke parents: diff changeset	561 }
a61af66fc99e Initial load duke parents: diff changeset	562
a61af66fc99e Initial load duke parents: diff changeset	563 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DEFN)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	564 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DEFN)
0 a61af66fc99e Initial load duke parents: diff changeset	565 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	566 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_m)
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	567 ALL_OOP_OOP_ITERATE_CLOSURES_1(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r)
342 37f87013dfd8 6711316: Open source the Garbage-First garbage collector ysr parents: 113 diff changeset	568 ALL_OOP_OOP_ITERATE_CLOSURES_2(ObjArrayKlass_OOP_OOP_ITERATE_DEFN_r)
0 a61af66fc99e Initial load duke parents: diff changeset	569
a61af66fc99e Initial load duke parents: diff changeset	570 int objArrayKlass::oop_adjust_pointers(oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	571 assert(obj->is_objArray(), "obj must be obj array");
a61af66fc99e Initial load duke parents: diff changeset	572 objArrayOop a = objArrayOop(obj);
a61af66fc99e Initial load duke parents: diff changeset	573 // Get size before changing pointers.
a61af66fc99e Initial load duke parents: diff changeset	574 // Don't call size() or oop_size() since that is a virtual call.
a61af66fc99e Initial load duke parents: diff changeset	575 int size = a->object_size();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	576 MarkSweep::adjust_klass(a->klass());
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	577 ObjArrayKlass_OOP_ITERATE(a, p, MarkSweep::adjust_pointer(p))
0 a61af66fc99e Initial load duke parents: diff changeset	578 return size;
a61af66fc99e Initial load duke parents: diff changeset	579 }
a61af66fc99e Initial load duke parents: diff changeset	580
a61af66fc99e Initial load duke parents: diff changeset	581 #ifndef SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	582 void objArrayKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	583 assert(obj->is_objArray(), "obj must be obj array");
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	584 ObjArrayKlass_OOP_ITERATE( \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	585 objArrayOop(obj), p, \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	586 if (PSScavenge::should_scavenge(p)) { \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	587 pm->claim_or_forward_depth(p); \
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	588 })
0 a61af66fc99e Initial load duke parents: diff changeset	589 }
a61af66fc99e Initial load duke parents: diff changeset	590
a61af66fc99e Initial load duke parents: diff changeset	591 int objArrayKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
a61af66fc99e Initial load duke parents: diff changeset	592 assert (obj->is_objArray(), "obj must be obj array");
a61af66fc99e Initial load duke parents: diff changeset	593 objArrayOop a = objArrayOop(obj);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	594 int size = a->object_size();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	595 a->update_header(cm);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 0 diff changeset	596 ObjArrayKlass_OOP_ITERATE(a, p, PSParallelCompact::adjust_pointer(p))
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	597 return size;
0 a61af66fc99e Initial load duke parents: diff changeset	598 }
a61af66fc99e Initial load duke parents: diff changeset	599 #endif // SERIALGC
a61af66fc99e Initial load duke parents: diff changeset	600
a61af66fc99e Initial load duke parents: diff changeset	601 // JVM support
a61af66fc99e Initial load duke parents: diff changeset	602
a61af66fc99e Initial load duke parents: diff changeset	603 jint objArrayKlass::compute_modifier_flags(TRAPS) const {
a61af66fc99e Initial load duke parents: diff changeset	604 // The modifier for an objectArray is the same as its element
a61af66fc99e Initial load duke parents: diff changeset	605 if (element_klass() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	606 assert(Universe::is_bootstrapping(), "partial objArray only at startup");
a61af66fc99e Initial load duke parents: diff changeset	607 return JVM_ACC_ABSTRACT \| JVM_ACC_FINAL \| JVM_ACC_PUBLIC;
a61af66fc99e Initial load duke parents: diff changeset	608 }
398 443791f333a2 6700107: java/lang/Class/forName/TooManyDimensions.java crashes with SIGSEGV in c2 compiler with fastdebug coleenp parents: 356 diff changeset	609 // Return the flags of the bottom element type.
443791f333a2 6700107: java/lang/Class/forName/TooManyDimensions.java crashes with SIGSEGV in c2 compiler with fastdebug coleenp parents: 356 diff changeset	610 jint element_flags = Klass::cast(bottom_klass())->compute_modifier_flags(CHECK_0);
0 a61af66fc99e Initial load duke parents: diff changeset	611
a61af66fc99e Initial load duke parents: diff changeset	612 return (element_flags & (JVM_ACC_PUBLIC \| JVM_ACC_PRIVATE \| JVM_ACC_PROTECTED))
a61af66fc99e Initial load duke parents: diff changeset	613 \| (JVM_ACC_ABSTRACT \| JVM_ACC_FINAL);
a61af66fc99e Initial load duke parents: diff changeset	614 }
a61af66fc99e Initial load duke parents: diff changeset	615
a61af66fc99e Initial load duke parents: diff changeset	616
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	617 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	618
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	619 void objArrayKlass::print_on(outputStream* st) const {
0 a61af66fc99e Initial load duke parents: diff changeset	620 #ifndef PRODUCT
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	621 Klass::print_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	622 st->print(" - instance klass: ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	623 element_klass()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	624 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	625 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	626 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	627
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	628 void objArrayKlass::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	629 assert(is_klass(), "must be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	630
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	631 element_klass()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	632 st->print("[]");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	633 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	634
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	635 #ifndef PRODUCT
0 a61af66fc99e Initial load duke parents: diff changeset	636
a61af66fc99e Initial load duke parents: diff changeset	637 void objArrayKlass::oop_print_on(oop obj, outputStream* st) {
a61af66fc99e Initial load duke parents: diff changeset	638 arrayKlass::oop_print_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	639 assert(obj->is_objArray(), "must be objArray");
a61af66fc99e Initial load duke parents: diff changeset	640 objArrayOop oa = objArrayOop(obj);
a61af66fc99e Initial load duke parents: diff changeset	641 int print_len = MIN2((intx) oa->length(), MaxElementPrintSize);
a61af66fc99e Initial load duke parents: diff changeset	642 for(int index = 0; index < print_len; index++) {
a61af66fc99e Initial load duke parents: diff changeset	643 st->print(" - %3d : ", index);
a61af66fc99e Initial load duke parents: diff changeset	644 oa->obj_at(index)->print_value_on(st);
a61af66fc99e Initial load duke parents: diff changeset	645 st->cr();
a61af66fc99e Initial load duke parents: diff changeset	646 }
a61af66fc99e Initial load duke parents: diff changeset	647 int remaining = oa->length() - print_len;
a61af66fc99e Initial load duke parents: diff changeset	648 if (remaining > 0) {
a61af66fc99e Initial load duke parents: diff changeset	649 tty->print_cr(" - <%d more elements, increase MaxElementPrintSize to print>", remaining);
a61af66fc99e Initial load duke parents: diff changeset	650 }
a61af66fc99e Initial load duke parents: diff changeset	651 }
a61af66fc99e Initial load duke parents: diff changeset	652
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1142 diff changeset	653 #endif //PRODUCT
4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1142 diff changeset	654
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	655 static int max_objArray_print_length = 4;
0 a61af66fc99e Initial load duke parents: diff changeset	656
a61af66fc99e Initial load duke parents: diff changeset	657 void objArrayKlass::oop_print_value_on(oop obj, outputStream* st) {
a61af66fc99e Initial load duke parents: diff changeset	658 assert(obj->is_objArray(), "must be objArray");
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	659 st->print("a ");
0 a61af66fc99e Initial load duke parents: diff changeset	660 element_klass()->print_value_on(st);
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	661 int len = objArrayOop(obj)->length();
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	662 st->print("[%d] ", len);
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	663 obj->print_address_on(st);
1155 4e6abf09f540 6912062: disassembler plugin needs to produce symbolic information in product mode jrose parents: 1142 diff changeset	664 if (NOT_PRODUCT(PrintOopAddress \|\|) PrintMiscellaneous && (WizardMode \|\| Verbose)) {
665 c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	665 st->print("{");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	666 for (int i = 0; i < len; i++) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	667 if (i > max_objArray_print_length) {
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	668 st->print("..."); break;
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	669 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	670 st->print(" "INTPTR_FORMAT, (intptr_t)(void*)objArrayOop(obj)->obj_at(i));
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	671 }
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	672 st->print(" }");
c89f86385056 6814659: separable cleanups and subroutines for 6655638 jrose parents: 398 diff changeset	673 }
0 a61af66fc99e Initial load duke parents: diff changeset	674 }
a61af66fc99e Initial load duke parents: diff changeset	675
a61af66fc99e Initial load duke parents: diff changeset	676 const char* objArrayKlass::internal_name() const {
a61af66fc99e Initial load duke parents: diff changeset	677 return external_name();
a61af66fc99e Initial load duke parents: diff changeset	678 }
a61af66fc99e Initial load duke parents: diff changeset	679
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	680
0 a61af66fc99e Initial load duke parents: diff changeset	681 // Verification
a61af66fc99e Initial load duke parents: diff changeset	682
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	683 void objArrayKlass::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	684 arrayKlass::verify_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	685 guarantee(element_klass()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	686 guarantee(element_klass()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	687 guarantee(bottom_klass()->is_metadata(), "should be in metaspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	688 guarantee(bottom_klass()->is_klass(), "should be klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	689 Klass* bk = Klass::cast(bottom_klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	690 guarantee(bk->oop_is_instance() \|\| bk->oop_is_typeArray(), "invalid bottom klass");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	691 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6008 diff changeset	692
0 a61af66fc99e Initial load duke parents: diff changeset	693 void objArrayKlass::oop_verify_on(oop obj, outputStream* st) {
a61af66fc99e Initial load duke parents: diff changeset	694 arrayKlass::oop_verify_on(obj, st);
a61af66fc99e Initial load duke parents: diff changeset	695 guarantee(obj->is_objArray(), "must be objArray");
a61af66fc99e Initial load duke parents: diff changeset	696 objArrayOop oa = objArrayOop(obj);
a61af66fc99e Initial load duke parents: diff changeset	697 for(int index = 0; index < oa->length(); index++) {
a61af66fc99e Initial load duke parents: diff changeset	698 guarantee(oa->obj_at(index)->is_oop_or_null(), "should be oop");
a61af66fc99e Initial load duke parents: diff changeset	699 }
a61af66fc99e Initial load duke parents: diff changeset	700 }

Mercurial > hg > truffle

annotate src/share/vm/oops/objArrayKlass.cpp @ 6725:da91efe96a93